17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*004388ebScasper * Common Development and Distribution License (the "License"). 6*004388ebScasper * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*004388ebScasper * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* 277c478bd9Sstevel@tonic-gate * Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T 287c478bd9Sstevel@tonic-gate * All Rights Reserved 297c478bd9Sstevel@tonic-gate */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate /* 327c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 337c478bd9Sstevel@tonic-gate * The Regents of the University of California 347c478bd9Sstevel@tonic-gate * All Rights Reserved 357c478bd9Sstevel@tonic-gate * 367c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 377c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 387c478bd9Sstevel@tonic-gate * contributors. 397c478bd9Sstevel@tonic-gate */ 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate /* 447c478bd9Sstevel@tonic-gate * syslogd -- log system messages 457c478bd9Sstevel@tonic-gate * 467c478bd9Sstevel@tonic-gate * This program implements a system log. It takes a series of lines. 477c478bd9Sstevel@tonic-gate * Each line may have a priority, signified as "<n>" as 487c478bd9Sstevel@tonic-gate * the first characters of the line. If this is 497c478bd9Sstevel@tonic-gate * not present, a default priority is used. 507c478bd9Sstevel@tonic-gate * 517c478bd9Sstevel@tonic-gate * To kill syslogd, send a signal 15 (terminate). A signal 1 (hup) will 527c478bd9Sstevel@tonic-gate * cause it to reconfigure. 537c478bd9Sstevel@tonic-gate * 547c478bd9Sstevel@tonic-gate * Defined Constants: 557c478bd9Sstevel@tonic-gate * 567c478bd9Sstevel@tonic-gate * MAXLINE -- the maximimum line length that can be handled. 577c478bd9Sstevel@tonic-gate * DEFUPRI -- the default priority for user messages. 587c478bd9Sstevel@tonic-gate * DEFSPRI -- the default priority for kernel messages. 597c478bd9Sstevel@tonic-gate * 607c478bd9Sstevel@tonic-gate */ 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate #include <unistd.h> 637c478bd9Sstevel@tonic-gate #include <note.h> 647c478bd9Sstevel@tonic-gate #include <errno.h> 657c478bd9Sstevel@tonic-gate #include <sys/types.h> 667c478bd9Sstevel@tonic-gate #include <stdio.h> 67*004388ebScasper #include <stdio_ext.h> 687c478bd9Sstevel@tonic-gate #include <stdlib.h> 697c478bd9Sstevel@tonic-gate #include <ctype.h> 707c478bd9Sstevel@tonic-gate #include <signal.h> 717c478bd9Sstevel@tonic-gate #include <string.h> 727c478bd9Sstevel@tonic-gate #include <strings.h> 737c478bd9Sstevel@tonic-gate #include <deflt.h> 747c478bd9Sstevel@tonic-gate #include <netconfig.h> 757c478bd9Sstevel@tonic-gate #include <netdir.h> 767c478bd9Sstevel@tonic-gate #include <pwd.h> 777c478bd9Sstevel@tonic-gate #include <sys/socket.h> 787c478bd9Sstevel@tonic-gate #include <tiuser.h> 797c478bd9Sstevel@tonic-gate #include <utmpx.h> 807c478bd9Sstevel@tonic-gate #include <limits.h> 817c478bd9Sstevel@tonic-gate #include <pthread.h> 827c478bd9Sstevel@tonic-gate #include <fcntl.h> 837c478bd9Sstevel@tonic-gate #include <stropts.h> 847c478bd9Sstevel@tonic-gate #include <assert.h> 857c478bd9Sstevel@tonic-gate #include <sys/statvfs.h> 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate #include <sys/param.h> 887c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h> 897c478bd9Sstevel@tonic-gate #include <sys/syslog.h> 907c478bd9Sstevel@tonic-gate #include <sys/strlog.h> 917c478bd9Sstevel@tonic-gate #include <sys/stat.h> 927c478bd9Sstevel@tonic-gate #include <sys/time.h> 937c478bd9Sstevel@tonic-gate #include <sys/utsname.h> 947c478bd9Sstevel@tonic-gate #include <sys/poll.h> 957c478bd9Sstevel@tonic-gate #include <sys/wait.h> 967c478bd9Sstevel@tonic-gate #include <sys/resource.h> 977c478bd9Sstevel@tonic-gate #include <sys/mman.h> 987c478bd9Sstevel@tonic-gate #include <sys/note.h> 997c478bd9Sstevel@tonic-gate #include <door.h> 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate #include <wchar.h> 1027c478bd9Sstevel@tonic-gate #include <locale.h> 1037c478bd9Sstevel@tonic-gate #include <stdarg.h> 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate #include "dataq.h" 1067c478bd9Sstevel@tonic-gate #include "conf.h" 1077c478bd9Sstevel@tonic-gate #include "syslogd.h" 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate #define DOORFILE "/var/run/syslog_door" 1107c478bd9Sstevel@tonic-gate #define RELATIVE_DOORFILE "../var/run/syslog_door" 1117c478bd9Sstevel@tonic-gate #define OLD_DOORFILE "/etc/.syslog_door" 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate #define PIDFILE "/var/run/syslog.pid" 1147c478bd9Sstevel@tonic-gate #define RELATIVE_PIDFILE "../var/run/syslog.pid" 1157c478bd9Sstevel@tonic-gate #define OLD_PIDFILE "/etc/syslog.pid" 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate static char *Version = "%I%"; 1187c478bd9Sstevel@tonic-gate static char *LogName = "/dev/log"; 1197c478bd9Sstevel@tonic-gate static char *ConfFile = "/etc/syslog.conf"; 1207c478bd9Sstevel@tonic-gate static char *DflFile = "/etc/default/syslogd"; 1217c478bd9Sstevel@tonic-gate static char ctty[] = "/dev/console"; 1227c478bd9Sstevel@tonic-gate static char sysmsg[] = "/dev/sysmsg"; 1237c478bd9Sstevel@tonic-gate static int DoorFd = -1; 1247c478bd9Sstevel@tonic-gate static int DoorCreated = 0; 1257c478bd9Sstevel@tonic-gate static int PidfileCreated = 0; 1267c478bd9Sstevel@tonic-gate static char *DoorFileName = DOORFILE; 1277c478bd9Sstevel@tonic-gate static char *PidFileName = PIDFILE; 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate /* 1307c478bd9Sstevel@tonic-gate * configuration file directives 1317c478bd9Sstevel@tonic-gate */ 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate static struct code PriNames[] = { 1347c478bd9Sstevel@tonic-gate "panic", LOG_EMERG, 1357c478bd9Sstevel@tonic-gate "emerg", LOG_EMERG, 1367c478bd9Sstevel@tonic-gate "alert", LOG_ALERT, 1377c478bd9Sstevel@tonic-gate "crit", LOG_CRIT, 1387c478bd9Sstevel@tonic-gate "err", LOG_ERR, 1397c478bd9Sstevel@tonic-gate "error", LOG_ERR, 1407c478bd9Sstevel@tonic-gate "warn", LOG_WARNING, 1417c478bd9Sstevel@tonic-gate "warning", LOG_WARNING, 1427c478bd9Sstevel@tonic-gate "notice", LOG_NOTICE, 1437c478bd9Sstevel@tonic-gate "info", LOG_INFO, 1447c478bd9Sstevel@tonic-gate "debug", LOG_DEBUG, 1457c478bd9Sstevel@tonic-gate "none", NOPRI, 1467c478bd9Sstevel@tonic-gate NULL, -1 1477c478bd9Sstevel@tonic-gate }; 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate static struct code FacNames[] = { 1507c478bd9Sstevel@tonic-gate "kern", LOG_KERN, 1517c478bd9Sstevel@tonic-gate "user", LOG_USER, 1527c478bd9Sstevel@tonic-gate "mail", LOG_MAIL, 1537c478bd9Sstevel@tonic-gate "daemon", LOG_DAEMON, 1547c478bd9Sstevel@tonic-gate "auth", LOG_AUTH, 1557c478bd9Sstevel@tonic-gate "security", LOG_AUTH, 1567c478bd9Sstevel@tonic-gate "mark", LOG_MARK, 1577c478bd9Sstevel@tonic-gate "syslog", LOG_SYSLOG, 1587c478bd9Sstevel@tonic-gate "lpr", LOG_LPR, 1597c478bd9Sstevel@tonic-gate "news", LOG_NEWS, 1607c478bd9Sstevel@tonic-gate "uucp", LOG_UUCP, 1617c478bd9Sstevel@tonic-gate "audit", LOG_AUDIT, 1627c478bd9Sstevel@tonic-gate "cron", LOG_CRON, 1637c478bd9Sstevel@tonic-gate "local0", LOG_LOCAL0, 1647c478bd9Sstevel@tonic-gate "local1", LOG_LOCAL1, 1657c478bd9Sstevel@tonic-gate "local2", LOG_LOCAL2, 1667c478bd9Sstevel@tonic-gate "local3", LOG_LOCAL3, 1677c478bd9Sstevel@tonic-gate "local4", LOG_LOCAL4, 1687c478bd9Sstevel@tonic-gate "local5", LOG_LOCAL5, 1697c478bd9Sstevel@tonic-gate "local6", LOG_LOCAL6, 1707c478bd9Sstevel@tonic-gate "local7", LOG_LOCAL7, 1717c478bd9Sstevel@tonic-gate NULL, -1 1727c478bd9Sstevel@tonic-gate }; 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate static char *TypeNames[7] = { 1757c478bd9Sstevel@tonic-gate "UNUSED", "FILE", "TTY", "CONSOLE", 1767c478bd9Sstevel@tonic-gate "FORW", "USERS", "WALL" 1777c478bd9Sstevel@tonic-gate }; 1787c478bd9Sstevel@tonic-gate 1797c478bd9Sstevel@tonic-gate /* 1807c478bd9Sstevel@tonic-gate * we allocate our own thread stacks so we can create them 1817c478bd9Sstevel@tonic-gate * without the MAP_NORESERVE option. We need to be sure 1827c478bd9Sstevel@tonic-gate * we have stack space even if the machine runs out of swap 1837c478bd9Sstevel@tonic-gate */ 1847c478bd9Sstevel@tonic-gate 1857c478bd9Sstevel@tonic-gate #define DEFAULT_STACKSIZE (100 * 1024) /* 100 k stack */ 1867c478bd9Sstevel@tonic-gate #define DEFAULT_REDZONESIZE (8 * 1024) /* 8k redzone */ 1877c478bd9Sstevel@tonic-gate 1887c478bd9Sstevel@tonic-gate static pthread_mutex_t wmp = PTHREAD_MUTEX_INITIALIZER; /* wallmsg lock */ 1897c478bd9Sstevel@tonic-gate 1907c478bd9Sstevel@tonic-gate static pthread_mutex_t cft = PTHREAD_MUTEX_INITIALIZER; 1917c478bd9Sstevel@tonic-gate static int conf_threads = 0; 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate static pthread_mutex_t hup_lock = PTHREAD_MUTEX_INITIALIZER; 1947c478bd9Sstevel@tonic-gate static pthread_cond_t hup_done = PTHREAD_COND_INITIALIZER; 1957c478bd9Sstevel@tonic-gate 1967c478bd9Sstevel@tonic-gate static pthread_mutex_t logerror_lock = PTHREAD_MUTEX_INITIALIZER; 1977c478bd9Sstevel@tonic-gate 1987c478bd9Sstevel@tonic-gate #define HUP_ACCEPTABLE 0x0000 /* can start SIGHUP process */ 1997c478bd9Sstevel@tonic-gate #define HUP_INPROGRESS 0x0001 /* SIGHUP process in progress */ 2007c478bd9Sstevel@tonic-gate #define HUP_COMPLETED 0x0002 /* SIGHUP process completed */ 2017c478bd9Sstevel@tonic-gate #define HUP_SUSP_LOGMSG_REQD 0x1000 /* request to suspend */ 2027c478bd9Sstevel@tonic-gate #define HUP_LOGMSG_SUSPENDED 0x2000 /* logmsg is suspended */ 2037c478bd9Sstevel@tonic-gate static int hup_state = HUP_ACCEPTABLE; 2047c478bd9Sstevel@tonic-gate 2057c478bd9Sstevel@tonic-gate static size_t stacksize; /* thread stack size */ 2067c478bd9Sstevel@tonic-gate static size_t redzonesize; /* thread stack redzone size */ 2077c478bd9Sstevel@tonic-gate static char *stack_ptr; /* ptr to allocated stacks */ 2087c478bd9Sstevel@tonic-gate static char *cstack_ptr; /* ptr to conf_thr stacks */ 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate static time_t start_time; 2117c478bd9Sstevel@tonic-gate 2127c478bd9Sstevel@tonic-gate static pthread_t sys_thread; /* queues messages from us */ 2137c478bd9Sstevel@tonic-gate static pthread_t net_thread; /* queues messages from the net */ 2147c478bd9Sstevel@tonic-gate static pthread_t log_thread; /* message processing thread */ 2157c478bd9Sstevel@tonic-gate static pthread_t hnl_thread; /* hostname lookup thread */ 2167c478bd9Sstevel@tonic-gate 2177c478bd9Sstevel@tonic-gate static dataq_t inputq; /* the input queue */ 2187c478bd9Sstevel@tonic-gate static dataq_t tmpq; /* temporary queue for err msg */ 2197c478bd9Sstevel@tonic-gate static dataq_t hnlq; /* hostname lookup queue */ 2207c478bd9Sstevel@tonic-gate 2217c478bd9Sstevel@tonic-gate static struct filed fallback[2]; 2227c478bd9Sstevel@tonic-gate static struct filed *Files; 2237c478bd9Sstevel@tonic-gate static int nlogs; 2247c478bd9Sstevel@tonic-gate static int Debug; /* debug flag */ 2257c478bd9Sstevel@tonic-gate static host_list_t LocalHostName; /* our hostname */ 2267c478bd9Sstevel@tonic-gate static host_list_t NullHostName; /* in case of lookup failure */ 2277c478bd9Sstevel@tonic-gate static int debuglev = 1; /* debug print level */ 2287c478bd9Sstevel@tonic-gate static int interrorlog; /* internal error logging */ 2297c478bd9Sstevel@tonic-gate 2307c478bd9Sstevel@tonic-gate static int MarkInterval = 20; /* interval between marks (mins) */ 2317c478bd9Sstevel@tonic-gate static int Marking = 0; /* non-zero if marking some file */ 2327c478bd9Sstevel@tonic-gate static int Ninputs = 0; /* number of network inputs */ 2337c478bd9Sstevel@tonic-gate static int curalarm = 0; /* current timeout value (secs) */ 2347c478bd9Sstevel@tonic-gate static int sys_msg_count = 0; /* total msgs rcvd from local log */ 2357c478bd9Sstevel@tonic-gate static int sys_init_msg_count = 0; /* initially received */ 2367c478bd9Sstevel@tonic-gate static int net_msg_count = 0; /* total msgs rcvd from net */ 2377c478bd9Sstevel@tonic-gate 2387c478bd9Sstevel@tonic-gate static struct pollfd Pfd; /* Pollfd for local the log device */ 2397c478bd9Sstevel@tonic-gate static struct pollfd *Nfd; /* Array of pollfds for udp ports */ 2407c478bd9Sstevel@tonic-gate static struct netconfig *Ncf; 2417c478bd9Sstevel@tonic-gate static struct netbuf **Myaddrs; 2427c478bd9Sstevel@tonic-gate static struct t_unitdata **Udp; 2437c478bd9Sstevel@tonic-gate static struct t_uderr **Errp; 2447c478bd9Sstevel@tonic-gate static int turnoff = 0; 2457c478bd9Sstevel@tonic-gate static int shutting_down; 2467c478bd9Sstevel@tonic-gate 247293d1fc4Spd155743 static struct hostname_cache **hnc_cache; 2487c478bd9Sstevel@tonic-gate static pthread_mutex_t hnc_mutex = PTHREAD_MUTEX_INITIALIZER; 2497c478bd9Sstevel@tonic-gate static size_t hnc_size = DEF_HNC_SIZE; 2507c478bd9Sstevel@tonic-gate static unsigned int hnc_ttl = DEF_HNC_TTL; 2517c478bd9Sstevel@tonic-gate 2527c478bd9Sstevel@tonic-gate #define DPRINT0(d, m) if ((Debug) && debuglev >= (d)) \ 2537c478bd9Sstevel@tonic-gate (void) fprintf(stderr, m) 2547c478bd9Sstevel@tonic-gate #define DPRINT1(d, m, a) if ((Debug) && debuglev >= (d)) \ 2557c478bd9Sstevel@tonic-gate (void) fprintf(stderr, m, a) 2567c478bd9Sstevel@tonic-gate #define DPRINT2(d, m, a, b) if ((Debug) && debuglev >= (d)) \ 2577c478bd9Sstevel@tonic-gate (void) fprintf(stderr, m, a, b) 2587c478bd9Sstevel@tonic-gate #define DPRINT3(d, m, a, b, c) if ((Debug) && debuglev >= (d)) \ 2597c478bd9Sstevel@tonic-gate (void) fprintf(stderr, m, a, b, c) 2607c478bd9Sstevel@tonic-gate #define DPRINT4(d, m, a, b, c, e) if ((Debug) && debuglev >= (d)) \ 2617c478bd9Sstevel@tonic-gate (void) fprintf(stderr, m, a, b, c, e) 2627c478bd9Sstevel@tonic-gate #define MALLOC_FAIL(x) \ 2637c478bd9Sstevel@tonic-gate logerror("malloc failed: " x) 2647c478bd9Sstevel@tonic-gate #define MALLOC_FAIL_EXIT \ 2657c478bd9Sstevel@tonic-gate logerror("malloc failed - fatal"); \ 2667c478bd9Sstevel@tonic-gate exit(1) 2677c478bd9Sstevel@tonic-gate 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate #define MAILCMD "mailx -s \"syslogd shut down\" root" 2707c478bd9Sstevel@tonic-gate 2717c478bd9Sstevel@tonic-gate /* 2727c478bd9Sstevel@tonic-gate * Number of seconds to wait before giving up on threads that won't 2737c478bd9Sstevel@tonic-gate * shutdown: (that's right, 10 minutes!) 2747c478bd9Sstevel@tonic-gate */ 2757c478bd9Sstevel@tonic-gate #define LOOP_MAX (10 * 60) 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate /* 2787c478bd9Sstevel@tonic-gate * Interval(sec) to check the status of output queue while processing 2797c478bd9Sstevel@tonic-gate * HUP signal. 2807c478bd9Sstevel@tonic-gate */ 2817c478bd9Sstevel@tonic-gate #define LOOP_INTERVAL (15) 2827c478bd9Sstevel@tonic-gate 2837c478bd9Sstevel@tonic-gate int 2847c478bd9Sstevel@tonic-gate main(int argc, char **argv) 2857c478bd9Sstevel@tonic-gate { 2867c478bd9Sstevel@tonic-gate int i; 2877c478bd9Sstevel@tonic-gate char *pstr; 2887c478bd9Sstevel@tonic-gate int sig, fd; 2897c478bd9Sstevel@tonic-gate int tflag = 0, Tflag = 0; 2907c478bd9Sstevel@tonic-gate sigset_t sigs, allsigs; 2917c478bd9Sstevel@tonic-gate struct rlimit rlim; 2927c478bd9Sstevel@tonic-gate char *debugstr; 2937c478bd9Sstevel@tonic-gate int mcount = 0; 2947c478bd9Sstevel@tonic-gate struct sigaction act; 2957c478bd9Sstevel@tonic-gate pthread_t mythreadno = 0; 2967c478bd9Sstevel@tonic-gate char cbuf [30]; 2977c478bd9Sstevel@tonic-gate struct stat sb; 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate #ifdef DEBUG 3007c478bd9Sstevel@tonic-gate #define DEBUGDIR "/var/tmp" 3017c478bd9Sstevel@tonic-gate if (chdir(DEBUGDIR)) 3027c478bd9Sstevel@tonic-gate DPRINT2(1, "main(%u): Unable to cd to %s\n", mythreadno, 3037c478bd9Sstevel@tonic-gate DEBUGDIR); 3047c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 3057c478bd9Sstevel@tonic-gate 3067c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 3077c478bd9Sstevel@tonic-gate 3087c478bd9Sstevel@tonic-gate if ((debugstr = getenv("SYSLOGD_DEBUG")) != NULL) 3097c478bd9Sstevel@tonic-gate if ((debuglev = atoi(debugstr)) == 0) 3107c478bd9Sstevel@tonic-gate debuglev = 1; 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate #if ! defined(TEXT_DOMAIN) /* should be defined by cc -D */ 3137c478bd9Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" 3147c478bd9Sstevel@tonic-gate #endif 3157c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate (void) time(&start_time); 3187c478bd9Sstevel@tonic-gate 3197c478bd9Sstevel@tonic-gate if (lstat("/var/run", &sb) != 0 || !(S_ISDIR(sb.st_mode))) { 3207c478bd9Sstevel@tonic-gate DoorFileName = OLD_DOORFILE; 3217c478bd9Sstevel@tonic-gate PidFileName = OLD_PIDFILE; 3227c478bd9Sstevel@tonic-gate } 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate defaults(); 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate while ((i = getopt(argc, argv, "df:p:m:tT")) != EOF) { 3277c478bd9Sstevel@tonic-gate switch (i) { 3287c478bd9Sstevel@tonic-gate case 'f': /* configuration file */ 3297c478bd9Sstevel@tonic-gate ConfFile = optarg; 3307c478bd9Sstevel@tonic-gate break; 3317c478bd9Sstevel@tonic-gate 3327c478bd9Sstevel@tonic-gate case 'd': /* debug */ 3337c478bd9Sstevel@tonic-gate Debug++; 3347c478bd9Sstevel@tonic-gate break; 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate case 'p': /* path */ 3377c478bd9Sstevel@tonic-gate LogName = optarg; 3387c478bd9Sstevel@tonic-gate break; 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate case 'm': /* mark interval */ 3417c478bd9Sstevel@tonic-gate for (pstr = optarg; *pstr; pstr++) { 3427c478bd9Sstevel@tonic-gate if (! (isdigit(*pstr))) { 3437c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3447c478bd9Sstevel@tonic-gate "Illegal interval\n"); 3457c478bd9Sstevel@tonic-gate usage(); 3467c478bd9Sstevel@tonic-gate } 3477c478bd9Sstevel@tonic-gate } 3487c478bd9Sstevel@tonic-gate MarkInterval = atoi(optarg); 3497c478bd9Sstevel@tonic-gate if (MarkInterval < 1 || MarkInterval > INT_MAX) { 3507c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3517c478bd9Sstevel@tonic-gate "Interval must be between 1 and %d\n", 3527c478bd9Sstevel@tonic-gate INT_MAX); 3537c478bd9Sstevel@tonic-gate usage(); 3547c478bd9Sstevel@tonic-gate } 3557c478bd9Sstevel@tonic-gate break; 3567c478bd9Sstevel@tonic-gate case 't': /* turn off remote reception */ 3577c478bd9Sstevel@tonic-gate tflag++; 3587c478bd9Sstevel@tonic-gate turnoff++; 3597c478bd9Sstevel@tonic-gate break; 3607c478bd9Sstevel@tonic-gate case 'T': /* turn on remote reception */ 3617c478bd9Sstevel@tonic-gate Tflag++; 3627c478bd9Sstevel@tonic-gate turnoff = 0; 3637c478bd9Sstevel@tonic-gate break; 3647c478bd9Sstevel@tonic-gate default: 3657c478bd9Sstevel@tonic-gate usage(); 3667c478bd9Sstevel@tonic-gate } 3677c478bd9Sstevel@tonic-gate } 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate if (optind < argc) 3707c478bd9Sstevel@tonic-gate usage(); 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate if (tflag && Tflag) { 3737c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "specify only one of -t and -T\n"); 3747c478bd9Sstevel@tonic-gate usage(); 3757c478bd9Sstevel@tonic-gate } 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate /* 3787c478bd9Sstevel@tonic-gate * close all fd's except 0-2 3797c478bd9Sstevel@tonic-gate */ 3807c478bd9Sstevel@tonic-gate 3817c478bd9Sstevel@tonic-gate closefrom(3); 3827c478bd9Sstevel@tonic-gate 3837c478bd9Sstevel@tonic-gate if (!Debug) { 3847c478bd9Sstevel@tonic-gate if (fork()) 3857c478bd9Sstevel@tonic-gate return (0); 3867c478bd9Sstevel@tonic-gate (void) close(0); 3877c478bd9Sstevel@tonic-gate (void) open("/", 0); 3887c478bd9Sstevel@tonic-gate (void) dup2(0, 1); 3897c478bd9Sstevel@tonic-gate (void) dup2(0, 2); 3907c478bd9Sstevel@tonic-gate untty(); 3917c478bd9Sstevel@tonic-gate } 3927c478bd9Sstevel@tonic-gate 3937c478bd9Sstevel@tonic-gate if (Debug) { 3947c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 3957c478bd9Sstevel@tonic-gate } 3967c478bd9Sstevel@tonic-gate 3977c478bd9Sstevel@tonic-gate /* 3987c478bd9Sstevel@tonic-gate * DO NOT call logerror() until tmpq is initialized. 3997c478bd9Sstevel@tonic-gate */ 4007c478bd9Sstevel@tonic-gate disable_errorlog(); 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate /* 4037c478bd9Sstevel@tonic-gate * ensure that file descriptor limit is "high enough" 4047c478bd9Sstevel@tonic-gate */ 4057c478bd9Sstevel@tonic-gate (void) getrlimit(RLIMIT_NOFILE, &rlim); 4067c478bd9Sstevel@tonic-gate if (rlim.rlim_cur < rlim.rlim_max) 4077c478bd9Sstevel@tonic-gate rlim.rlim_cur = rlim.rlim_max; 4087c478bd9Sstevel@tonic-gate if (setrlimit(RLIMIT_NOFILE, &rlim) < 0) 4097c478bd9Sstevel@tonic-gate logerror("Unable to increase file descriptor limit."); 410*004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 4117c478bd9Sstevel@tonic-gate 4127c478bd9Sstevel@tonic-gate /* block all signals from all threads initially */ 4137c478bd9Sstevel@tonic-gate (void) sigfillset(&allsigs); 4147c478bd9Sstevel@tonic-gate (void) pthread_sigmask(SIG_BLOCK, &allsigs, NULL); 4157c478bd9Sstevel@tonic-gate 4167c478bd9Sstevel@tonic-gate DPRINT2(1, "main(%u): Started at time %s", mythreadno, 4177c478bd9Sstevel@tonic-gate ctime_r(&start_time, cbuf)); 4187c478bd9Sstevel@tonic-gate 4197c478bd9Sstevel@tonic-gate init(); /* read configuration, start threads */ 4207c478bd9Sstevel@tonic-gate 4217c478bd9Sstevel@tonic-gate DPRINT1(1, "main(%u): off & running....\n", mythreadno); 4227c478bd9Sstevel@tonic-gate 4237c478bd9Sstevel@tonic-gate /* now set up to catch signals we care about */ 4247c478bd9Sstevel@tonic-gate 4257c478bd9Sstevel@tonic-gate (void) sigemptyset(&sigs); 4267c478bd9Sstevel@tonic-gate (void) sigaddset(&sigs, SIGHUP); /* reconfigure */ 4277c478bd9Sstevel@tonic-gate (void) sigaddset(&sigs, SIGALRM); /* mark & flush timer */ 4287c478bd9Sstevel@tonic-gate (void) sigaddset(&sigs, SIGTERM); /* exit */ 4297c478bd9Sstevel@tonic-gate (void) sigaddset(&sigs, SIGINT); /* exit if debugging */ 4307c478bd9Sstevel@tonic-gate (void) sigaddset(&sigs, SIGQUIT); /* exit if debugging */ 4317c478bd9Sstevel@tonic-gate (void) sigaddset(&sigs, SIGPIPE); /* catch & discard */ 4327c478bd9Sstevel@tonic-gate (void) sigaddset(&sigs, SIGUSR1); /* dump debug stats */ 4337c478bd9Sstevel@tonic-gate 4347c478bd9Sstevel@tonic-gate /* 4357c478bd9Sstevel@tonic-gate * We must set up to catch these signals, even though sigwait 4367c478bd9Sstevel@tonic-gate * will get them before the isr does. Setting SA_SIGINFO ensures 4377c478bd9Sstevel@tonic-gate * that signals will be enqueued. 4387c478bd9Sstevel@tonic-gate */ 4397c478bd9Sstevel@tonic-gate 4407c478bd9Sstevel@tonic-gate act.sa_flags = SA_SIGINFO; 4417c478bd9Sstevel@tonic-gate act.sa_sigaction = signull; 4427c478bd9Sstevel@tonic-gate 4437c478bd9Sstevel@tonic-gate (void) sigaction(SIGHUP, &act, NULL); 4447c478bd9Sstevel@tonic-gate (void) sigaction(SIGALRM, &act, NULL); 4457c478bd9Sstevel@tonic-gate (void) sigaction(SIGTERM, &act, NULL); 4467c478bd9Sstevel@tonic-gate (void) sigaction(SIGINT, &act, NULL); 4477c478bd9Sstevel@tonic-gate (void) sigaction(SIGQUIT, &act, NULL); 4487c478bd9Sstevel@tonic-gate (void) sigaction(SIGPIPE, &act, NULL); 4497c478bd9Sstevel@tonic-gate (void) sigaction(SIGUSR1, &act, NULL); 4507c478bd9Sstevel@tonic-gate 4517c478bd9Sstevel@tonic-gate /* we now turn into the signal handling thread */ 4527c478bd9Sstevel@tonic-gate 4537c478bd9Sstevel@tonic-gate DPRINT1(2, "main(%u): now handling signals\n", mythreadno); 4547c478bd9Sstevel@tonic-gate for (;;) { 4557c478bd9Sstevel@tonic-gate (void) sigwait(&sigs, &sig); 4567c478bd9Sstevel@tonic-gate DPRINT2(2, "main(%u): received signal %d\n", mythreadno, sig); 4577c478bd9Sstevel@tonic-gate switch (sig) { 4587c478bd9Sstevel@tonic-gate case SIGALRM: 4597c478bd9Sstevel@tonic-gate DPRINT1(1, "main(%u): Got SIGALRM\n", 4607c478bd9Sstevel@tonic-gate mythreadno); 4617c478bd9Sstevel@tonic-gate flushmsg(NOCOPY); 4627c478bd9Sstevel@tonic-gate if (Marking && (++mcount % MARKCOUNT == 0)) { 4637c478bd9Sstevel@tonic-gate if (logmymsg(LOG_INFO, "-- MARK --", 4647c478bd9Sstevel@tonic-gate ADDDATE|MARK|NOCOPY, 0) == -1) { 4657c478bd9Sstevel@tonic-gate MALLOC_FAIL( 4667c478bd9Sstevel@tonic-gate "dropping MARK message"); 4677c478bd9Sstevel@tonic-gate } 4687c478bd9Sstevel@tonic-gate 4697c478bd9Sstevel@tonic-gate mcount = 0; 4707c478bd9Sstevel@tonic-gate } 4717c478bd9Sstevel@tonic-gate curalarm = MarkInterval * 60 / MARKCOUNT; 4727c478bd9Sstevel@tonic-gate (void) alarm((unsigned)curalarm); 4737c478bd9Sstevel@tonic-gate DPRINT2(2, "main(%u): Next alarm in %d " 4747c478bd9Sstevel@tonic-gate "seconds\n", mythreadno, curalarm); 4757c478bd9Sstevel@tonic-gate break; 4767c478bd9Sstevel@tonic-gate case SIGHUP: 4777c478bd9Sstevel@tonic-gate DPRINT1(1, "main(%u): got SIGHUP - " 4787c478bd9Sstevel@tonic-gate "reconfiguring\n", mythreadno); 4797c478bd9Sstevel@tonic-gate 4807c478bd9Sstevel@tonic-gate reconfigure(); 4817c478bd9Sstevel@tonic-gate 4827c478bd9Sstevel@tonic-gate DPRINT1(1, "main(%u): done processing SIGHUP\n", 4837c478bd9Sstevel@tonic-gate mythreadno); 4847c478bd9Sstevel@tonic-gate break; 4857c478bd9Sstevel@tonic-gate case SIGQUIT: 4867c478bd9Sstevel@tonic-gate case SIGINT: 4877c478bd9Sstevel@tonic-gate if (!Debug) { 4887c478bd9Sstevel@tonic-gate /* allow these signals if debugging */ 4897c478bd9Sstevel@tonic-gate break; 4907c478bd9Sstevel@tonic-gate } 4917c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 4927c478bd9Sstevel@tonic-gate case SIGTERM: 4937c478bd9Sstevel@tonic-gate DPRINT2(1, "main(%u): going down on signal %d\n", 4947c478bd9Sstevel@tonic-gate mythreadno, sig); 4957c478bd9Sstevel@tonic-gate (void) alarm(0); 4967c478bd9Sstevel@tonic-gate flushmsg(0); 4977c478bd9Sstevel@tonic-gate errno = 0; 4987c478bd9Sstevel@tonic-gate t_errno = 0; 4997c478bd9Sstevel@tonic-gate logerror("going down on signal %d", sig); 5007c478bd9Sstevel@tonic-gate disable_errorlog(); /* force msg to console */ 5017c478bd9Sstevel@tonic-gate (void) shutdown_msg(); /* stop threads */ 5027c478bd9Sstevel@tonic-gate shutdown_input(); 5037c478bd9Sstevel@tonic-gate close_door(); 5047c478bd9Sstevel@tonic-gate delete_doorfiles(); 5057c478bd9Sstevel@tonic-gate return (0); 5067c478bd9Sstevel@tonic-gate break; 5077c478bd9Sstevel@tonic-gate case SIGUSR1: /* secret debug dump mode */ 5087c478bd9Sstevel@tonic-gate /* if in debug mode, use stdout */ 5097c478bd9Sstevel@tonic-gate 5107c478bd9Sstevel@tonic-gate if (Debug) { 5117c478bd9Sstevel@tonic-gate dumpstats(STDOUT_FILENO); 5127c478bd9Sstevel@tonic-gate break; 5137c478bd9Sstevel@tonic-gate } 5147c478bd9Sstevel@tonic-gate /* otherwise dump to a debug file */ 5157c478bd9Sstevel@tonic-gate if ((fd = open(DEBUGFILE, 5167c478bd9Sstevel@tonic-gate (O_WRONLY|O_CREAT|O_TRUNC|O_EXCL), 5177c478bd9Sstevel@tonic-gate 0644)) < 0) 5187c478bd9Sstevel@tonic-gate break; 5197c478bd9Sstevel@tonic-gate dumpstats(fd); 5207c478bd9Sstevel@tonic-gate (void) close(fd); 5217c478bd9Sstevel@tonic-gate break; 5227c478bd9Sstevel@tonic-gate default: 5237c478bd9Sstevel@tonic-gate DPRINT2(2, "main(%u): unexpected signal %d\n", 5247c478bd9Sstevel@tonic-gate mythreadno, sig); 5257c478bd9Sstevel@tonic-gate break; 5267c478bd9Sstevel@tonic-gate } 5277c478bd9Sstevel@tonic-gate } 5287c478bd9Sstevel@tonic-gate } 5297c478bd9Sstevel@tonic-gate 5307c478bd9Sstevel@tonic-gate /* 5317c478bd9Sstevel@tonic-gate * Attempts to open the local log device 5327c478bd9Sstevel@tonic-gate * and return a file descriptor. 5337c478bd9Sstevel@tonic-gate */ 5347c478bd9Sstevel@tonic-gate static int 5357c478bd9Sstevel@tonic-gate openklog(char *name, int mode) 5367c478bd9Sstevel@tonic-gate { 5377c478bd9Sstevel@tonic-gate int fd; 5387c478bd9Sstevel@tonic-gate struct strioctl str; 5397c478bd9Sstevel@tonic-gate pthread_t mythreadno; 5407c478bd9Sstevel@tonic-gate 5417c478bd9Sstevel@tonic-gate if (Debug) { 5427c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 5437c478bd9Sstevel@tonic-gate } 5447c478bd9Sstevel@tonic-gate 5457c478bd9Sstevel@tonic-gate if ((fd = open(name, mode)) < 0) { 5467c478bd9Sstevel@tonic-gate logerror("cannot open %s", name); 5477c478bd9Sstevel@tonic-gate DPRINT3(1, "openklog(%u): cannot create %s (%d)\n", 5487c478bd9Sstevel@tonic-gate mythreadno, name, errno); 5497c478bd9Sstevel@tonic-gate return (-1); 5507c478bd9Sstevel@tonic-gate } 5517c478bd9Sstevel@tonic-gate str.ic_cmd = I_CONSLOG; 5527c478bd9Sstevel@tonic-gate str.ic_timout = 0; 5537c478bd9Sstevel@tonic-gate str.ic_len = 0; 5547c478bd9Sstevel@tonic-gate str.ic_dp = NULL; 5557c478bd9Sstevel@tonic-gate if (ioctl(fd, I_STR, &str) < 0) { 5567c478bd9Sstevel@tonic-gate logerror("cannot register to log console messages"); 5577c478bd9Sstevel@tonic-gate DPRINT2(1, "openklog(%u): cannot register to log " 5587c478bd9Sstevel@tonic-gate "console messages (%d)\n", mythreadno, errno); 5597c478bd9Sstevel@tonic-gate return (-1); 5607c478bd9Sstevel@tonic-gate } 5617c478bd9Sstevel@tonic-gate return (fd); 5627c478bd9Sstevel@tonic-gate } 5637c478bd9Sstevel@tonic-gate 5647c478bd9Sstevel@tonic-gate 5657c478bd9Sstevel@tonic-gate /* 5667c478bd9Sstevel@tonic-gate * Open the log device, and pull up all pending messages. 5677c478bd9Sstevel@tonic-gate */ 5687c478bd9Sstevel@tonic-gate static void 5697c478bd9Sstevel@tonic-gate prepare_sys_poll() 5707c478bd9Sstevel@tonic-gate { 5717c478bd9Sstevel@tonic-gate int nfds, funix; 5727c478bd9Sstevel@tonic-gate 5737c478bd9Sstevel@tonic-gate if ((funix = openklog(LogName, O_RDONLY)) < 0) { 5747c478bd9Sstevel@tonic-gate logerror("can't open kernel log device - fatal"); 5757c478bd9Sstevel@tonic-gate exit(1); 5767c478bd9Sstevel@tonic-gate } 5777c478bd9Sstevel@tonic-gate 5787c478bd9Sstevel@tonic-gate Pfd.fd = funix; 5797c478bd9Sstevel@tonic-gate Pfd.events = POLLIN; 5807c478bd9Sstevel@tonic-gate 5817c478bd9Sstevel@tonic-gate for (;;) { 5827c478bd9Sstevel@tonic-gate nfds = poll(&Pfd, 1, 0); 5837c478bd9Sstevel@tonic-gate if (nfds <= 0) { 5847c478bd9Sstevel@tonic-gate if (sys_init_msg_count > 0) 5857c478bd9Sstevel@tonic-gate flushmsg(SYNC_FILE); 5867c478bd9Sstevel@tonic-gate break; 5877c478bd9Sstevel@tonic-gate } 5887c478bd9Sstevel@tonic-gate 5897c478bd9Sstevel@tonic-gate if (Pfd.revents & POLLIN) { 5907c478bd9Sstevel@tonic-gate getkmsg(0); 5917c478bd9Sstevel@tonic-gate } else if (Pfd.revents & (POLLNVAL|POLLHUP|POLLERR)) { 5927c478bd9Sstevel@tonic-gate logerror("kernel log driver poll error"); 5937c478bd9Sstevel@tonic-gate break; 5947c478bd9Sstevel@tonic-gate } 5957c478bd9Sstevel@tonic-gate } 5967c478bd9Sstevel@tonic-gate 5977c478bd9Sstevel@tonic-gate } 5987c478bd9Sstevel@tonic-gate 5997c478bd9Sstevel@tonic-gate /* 6007c478bd9Sstevel@tonic-gate * this thread listens to the local stream log driver for log messages 6017c478bd9Sstevel@tonic-gate * generated by this host, formats them, and queues them to the logger 6027c478bd9Sstevel@tonic-gate * thread. 6037c478bd9Sstevel@tonic-gate */ 6047c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 6057c478bd9Sstevel@tonic-gate static void * 6067c478bd9Sstevel@tonic-gate sys_poll(void *ap) 6077c478bd9Sstevel@tonic-gate { 6087c478bd9Sstevel@tonic-gate int nfds; 6097c478bd9Sstevel@tonic-gate static int klogerrs = 0; 6107c478bd9Sstevel@tonic-gate pthread_t mythreadno; 6117c478bd9Sstevel@tonic-gate 6127c478bd9Sstevel@tonic-gate if (Debug) { 6137c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 6147c478bd9Sstevel@tonic-gate } 6157c478bd9Sstevel@tonic-gate 6167c478bd9Sstevel@tonic-gate DPRINT1(1, "sys_poll(%u): sys_thread started\n", mythreadno); 6177c478bd9Sstevel@tonic-gate 6187c478bd9Sstevel@tonic-gate /* 6197c478bd9Sstevel@tonic-gate * Try to process as many messages as we can without blocking on poll. 6207c478bd9Sstevel@tonic-gate * We count such "initial" messages with sys_init_msg_count and 6217c478bd9Sstevel@tonic-gate * enqueue them without the SYNC_FILE flag. When no more data is 6227c478bd9Sstevel@tonic-gate * waiting on the local log device, we set timeout to INFTIM, 6237c478bd9Sstevel@tonic-gate * clear sys_init_msg_count, and generate a flush message to sync 6247c478bd9Sstevel@tonic-gate * the previously counted initial messages out to disk. 6257c478bd9Sstevel@tonic-gate */ 6267c478bd9Sstevel@tonic-gate 6277c478bd9Sstevel@tonic-gate sys_init_msg_count = 0; 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate for (;;) { 6307c478bd9Sstevel@tonic-gate errno = 0; 6317c478bd9Sstevel@tonic-gate t_errno = 0; 6327c478bd9Sstevel@tonic-gate 6337c478bd9Sstevel@tonic-gate nfds = poll(&Pfd, 1, INFTIM); 6347c478bd9Sstevel@tonic-gate 6357c478bd9Sstevel@tonic-gate if (nfds == 0) 6367c478bd9Sstevel@tonic-gate continue; 6377c478bd9Sstevel@tonic-gate 6387c478bd9Sstevel@tonic-gate if (nfds < 0) { 6397c478bd9Sstevel@tonic-gate if (errno != EINTR) 6407c478bd9Sstevel@tonic-gate logerror("poll"); 6417c478bd9Sstevel@tonic-gate continue; 6427c478bd9Sstevel@tonic-gate } 6437c478bd9Sstevel@tonic-gate if (Pfd.revents & POLLIN) { 6447c478bd9Sstevel@tonic-gate getkmsg(INFTIM); 6457c478bd9Sstevel@tonic-gate } else { 6467c478bd9Sstevel@tonic-gate if (shutting_down) { 6477c478bd9Sstevel@tonic-gate pthread_exit(0); 6487c478bd9Sstevel@tonic-gate } 6497c478bd9Sstevel@tonic-gate if (Pfd.revents & (POLLNVAL|POLLHUP|POLLERR)) { 6507c478bd9Sstevel@tonic-gate logerror("kernel log driver poll error"); 6517c478bd9Sstevel@tonic-gate (void) close(Pfd.fd); 6527c478bd9Sstevel@tonic-gate Pfd.fd = -1; 6537c478bd9Sstevel@tonic-gate } 6547c478bd9Sstevel@tonic-gate } 6557c478bd9Sstevel@tonic-gate 6567c478bd9Sstevel@tonic-gate while (Pfd.fd == -1 && klogerrs++ < 10) { 6577c478bd9Sstevel@tonic-gate Pfd.fd = openklog(LogName, O_RDONLY); 6587c478bd9Sstevel@tonic-gate } 6597c478bd9Sstevel@tonic-gate if (klogerrs >= 10) { 6607c478bd9Sstevel@tonic-gate logerror("can't reopen kernel log device - fatal"); 6617c478bd9Sstevel@tonic-gate exit(1); 6627c478bd9Sstevel@tonic-gate } 6637c478bd9Sstevel@tonic-gate } 6647c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 6657c478bd9Sstevel@tonic-gate return (NULL); 6667c478bd9Sstevel@tonic-gate } 6677c478bd9Sstevel@tonic-gate 6687c478bd9Sstevel@tonic-gate /* 6697c478bd9Sstevel@tonic-gate * Pull up one message from log driver. 6707c478bd9Sstevel@tonic-gate */ 6717c478bd9Sstevel@tonic-gate static void 6727c478bd9Sstevel@tonic-gate getkmsg(int timeout) 6737c478bd9Sstevel@tonic-gate { 6747c478bd9Sstevel@tonic-gate int flags = 0, i; 6757c478bd9Sstevel@tonic-gate char *lastline; 6767c478bd9Sstevel@tonic-gate struct strbuf ctl, dat; 6777c478bd9Sstevel@tonic-gate struct log_ctl hdr; 6787c478bd9Sstevel@tonic-gate char buf[MAXLINE+1]; 6797c478bd9Sstevel@tonic-gate size_t buflen; 6807c478bd9Sstevel@tonic-gate size_t len; 6817c478bd9Sstevel@tonic-gate char tmpbuf[MAXLINE+1]; 6827c478bd9Sstevel@tonic-gate pthread_t mythreadno; 6837c478bd9Sstevel@tonic-gate 6847c478bd9Sstevel@tonic-gate if (Debug) { 6857c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 6867c478bd9Sstevel@tonic-gate } 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate dat.maxlen = MAXLINE; 6897c478bd9Sstevel@tonic-gate dat.buf = buf; 6907c478bd9Sstevel@tonic-gate ctl.maxlen = sizeof (struct log_ctl); 6917c478bd9Sstevel@tonic-gate ctl.buf = (caddr_t)&hdr; 6927c478bd9Sstevel@tonic-gate 6937c478bd9Sstevel@tonic-gate while ((i = getmsg(Pfd.fd, &ctl, &dat, &flags)) == MOREDATA) { 6947c478bd9Sstevel@tonic-gate lastline = &dat.buf[dat.len]; 6957c478bd9Sstevel@tonic-gate *lastline = '\0'; 6967c478bd9Sstevel@tonic-gate 6977c478bd9Sstevel@tonic-gate DPRINT2(5, "sys_poll:(%u): getmsg: dat.len = %d\n", 6987c478bd9Sstevel@tonic-gate mythreadno, dat.len); 6997c478bd9Sstevel@tonic-gate buflen = strlen(buf); 7007c478bd9Sstevel@tonic-gate len = findnl_bkwd(buf, buflen); 7017c478bd9Sstevel@tonic-gate 7027c478bd9Sstevel@tonic-gate (void) memcpy(tmpbuf, buf, len); 7037c478bd9Sstevel@tonic-gate tmpbuf[len] = '\0'; 7047c478bd9Sstevel@tonic-gate 7057c478bd9Sstevel@tonic-gate /* 7067c478bd9Sstevel@tonic-gate * Format sys will enqueue the log message. 7077c478bd9Sstevel@tonic-gate * Set the sync flag if timeout != 0, which 7087c478bd9Sstevel@tonic-gate * means that we're done handling all the 7097c478bd9Sstevel@tonic-gate * initial messages ready during startup. 7107c478bd9Sstevel@tonic-gate */ 7117c478bd9Sstevel@tonic-gate if (timeout == 0) { 7127c478bd9Sstevel@tonic-gate formatsys(&hdr, tmpbuf, 0); 7137c478bd9Sstevel@tonic-gate sys_init_msg_count++; 7147c478bd9Sstevel@tonic-gate } else { 7157c478bd9Sstevel@tonic-gate formatsys(&hdr, tmpbuf, 1); 7167c478bd9Sstevel@tonic-gate } 7177c478bd9Sstevel@tonic-gate sys_msg_count++; 7187c478bd9Sstevel@tonic-gate 7197c478bd9Sstevel@tonic-gate if (len != buflen) { 7207c478bd9Sstevel@tonic-gate /* If anything remains in buf */ 7217c478bd9Sstevel@tonic-gate size_t remlen; 7227c478bd9Sstevel@tonic-gate 7237c478bd9Sstevel@tonic-gate if (buf[len] == '\n') { 7247c478bd9Sstevel@tonic-gate /* skip newline */ 7257c478bd9Sstevel@tonic-gate len++; 7267c478bd9Sstevel@tonic-gate } 7277c478bd9Sstevel@tonic-gate 7287c478bd9Sstevel@tonic-gate /* 7297c478bd9Sstevel@tonic-gate * Move the remaining bytes to 7307c478bd9Sstevel@tonic-gate * the beginnning of buf. 7317c478bd9Sstevel@tonic-gate */ 7327c478bd9Sstevel@tonic-gate 7337c478bd9Sstevel@tonic-gate remlen = buflen - len; 7347c478bd9Sstevel@tonic-gate (void) memcpy(buf, &buf[len], remlen); 7357c478bd9Sstevel@tonic-gate dat.maxlen = MAXLINE - remlen; 7367c478bd9Sstevel@tonic-gate dat.buf = &buf[remlen]; 7377c478bd9Sstevel@tonic-gate } else { 7387c478bd9Sstevel@tonic-gate dat.maxlen = MAXLINE; 7397c478bd9Sstevel@tonic-gate dat.buf = buf; 7407c478bd9Sstevel@tonic-gate } 7417c478bd9Sstevel@tonic-gate } 7427c478bd9Sstevel@tonic-gate 7437c478bd9Sstevel@tonic-gate if (i == 0 && dat.len > 0) { 7447c478bd9Sstevel@tonic-gate dat.buf[dat.len] = '\0'; 7457c478bd9Sstevel@tonic-gate /* 7467c478bd9Sstevel@tonic-gate * Format sys will enqueue the log message. 7477c478bd9Sstevel@tonic-gate * Set the sync flag if timeout != 0, which 7487c478bd9Sstevel@tonic-gate * means that we're done handling all the 7497c478bd9Sstevel@tonic-gate * initial messages ready during startup. 7507c478bd9Sstevel@tonic-gate */ 7517c478bd9Sstevel@tonic-gate DPRINT2(5, "getkmsg(%u): getmsg: dat.maxlen = %d\n", 7527c478bd9Sstevel@tonic-gate mythreadno, dat.maxlen); 7537c478bd9Sstevel@tonic-gate DPRINT2(5, "getkmsg(%u): getmsg: dat.len = %d\n", 7547c478bd9Sstevel@tonic-gate mythreadno, dat.len); 7557c478bd9Sstevel@tonic-gate DPRINT2(5, "getkmsg(%u): getmsg: strlen(dat.buf) = %d\n", 7567c478bd9Sstevel@tonic-gate mythreadno, strlen(dat.buf)); 7577c478bd9Sstevel@tonic-gate DPRINT2(5, "getkmsg(%u): getmsg: dat.buf = \"%s\"\n", 7587c478bd9Sstevel@tonic-gate mythreadno, dat.buf); 7597c478bd9Sstevel@tonic-gate DPRINT2(5, "getkmsg(%u): buf len = %d\n", 7607c478bd9Sstevel@tonic-gate mythreadno, strlen(buf)); 7617c478bd9Sstevel@tonic-gate if (timeout == 0) { 7627c478bd9Sstevel@tonic-gate formatsys(&hdr, buf, 0); 7637c478bd9Sstevel@tonic-gate sys_init_msg_count++; 7647c478bd9Sstevel@tonic-gate } else { 7657c478bd9Sstevel@tonic-gate formatsys(&hdr, buf, 1); 7667c478bd9Sstevel@tonic-gate } 7677c478bd9Sstevel@tonic-gate sys_msg_count++; 7687c478bd9Sstevel@tonic-gate } else if (i < 0 && errno != EINTR) { 7697c478bd9Sstevel@tonic-gate if (!shutting_down) { 7707c478bd9Sstevel@tonic-gate logerror("kernel log driver read error"); 7717c478bd9Sstevel@tonic-gate } 7727c478bd9Sstevel@tonic-gate (void) close(Pfd.fd); 7737c478bd9Sstevel@tonic-gate Pfd.fd = -1; 7747c478bd9Sstevel@tonic-gate } 7757c478bd9Sstevel@tonic-gate } 7767c478bd9Sstevel@tonic-gate 7777c478bd9Sstevel@tonic-gate /* 7787c478bd9Sstevel@tonic-gate * this thread polls all the network interfaces for syslog messages 7797c478bd9Sstevel@tonic-gate * forwarded to us, tags them with the hostname they are received 7807c478bd9Sstevel@tonic-gate * from, and queues them to the logger thread. 7817c478bd9Sstevel@tonic-gate */ 7827c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 7837c478bd9Sstevel@tonic-gate static void * 7847c478bd9Sstevel@tonic-gate net_poll(void *ap) 7857c478bd9Sstevel@tonic-gate { 7867c478bd9Sstevel@tonic-gate int nfds, i; 7877c478bd9Sstevel@tonic-gate int flags = 0; 7887c478bd9Sstevel@tonic-gate struct t_unitdata *udp; 7897c478bd9Sstevel@tonic-gate struct t_uderr *errp; 7907c478bd9Sstevel@tonic-gate char buf[MAXLINE+1]; 7917c478bd9Sstevel@tonic-gate char *uap; 7927c478bd9Sstevel@tonic-gate log_message_t *mp; 7937c478bd9Sstevel@tonic-gate host_info_t *hinfo; 7947c478bd9Sstevel@tonic-gate pthread_t mythreadno; 7957c478bd9Sstevel@tonic-gate 7967c478bd9Sstevel@tonic-gate if (Debug) { 7977c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 7987c478bd9Sstevel@tonic-gate } 7997c478bd9Sstevel@tonic-gate 8007c478bd9Sstevel@tonic-gate DPRINT1(1, "net_poll(%u): net_thread started\n", mythreadno); 8017c478bd9Sstevel@tonic-gate 8027c478bd9Sstevel@tonic-gate _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mp)) 8037c478bd9Sstevel@tonic-gate 8047c478bd9Sstevel@tonic-gate for (;;) { 8057c478bd9Sstevel@tonic-gate errno = 0; 8067c478bd9Sstevel@tonic-gate t_errno = 0; 8077c478bd9Sstevel@tonic-gate nfds = poll(Nfd, Ninputs, -1); 8087c478bd9Sstevel@tonic-gate if (nfds == 0) 8097c478bd9Sstevel@tonic-gate continue; 8107c478bd9Sstevel@tonic-gate 8117c478bd9Sstevel@tonic-gate if (nfds < 0) { 8127c478bd9Sstevel@tonic-gate if (errno != EINTR) 8137c478bd9Sstevel@tonic-gate logerror("poll"); 8147c478bd9Sstevel@tonic-gate continue; 8157c478bd9Sstevel@tonic-gate } 8167c478bd9Sstevel@tonic-gate for (i = 0; nfds > 0 && i < Ninputs; i++) { 8177c478bd9Sstevel@tonic-gate if ((Nfd[i].revents & POLLIN) == 0) { 8187c478bd9Sstevel@tonic-gate if (shutting_down) { 8197c478bd9Sstevel@tonic-gate pthread_exit(0); 8207c478bd9Sstevel@tonic-gate } 8217c478bd9Sstevel@tonic-gate if (Nfd[i].revents & 8227c478bd9Sstevel@tonic-gate (POLLNVAL|POLLHUP|POLLERR)) { 8237c478bd9Sstevel@tonic-gate logerror("POLLNVAL|POLLHUP|POLLERR"); 8247c478bd9Sstevel@tonic-gate (void) t_close(Nfd[i].fd); 8257c478bd9Sstevel@tonic-gate Nfd[i].fd = -1; 8267c478bd9Sstevel@tonic-gate nfds--; 8277c478bd9Sstevel@tonic-gate } 8287c478bd9Sstevel@tonic-gate continue; 8297c478bd9Sstevel@tonic-gate } 8307c478bd9Sstevel@tonic-gate 8317c478bd9Sstevel@tonic-gate udp = Udp[i]; 8327c478bd9Sstevel@tonic-gate udp->udata.buf = buf; 8337c478bd9Sstevel@tonic-gate udp->udata.maxlen = MAXLINE; 8347c478bd9Sstevel@tonic-gate udp->udata.len = 0; 8357c478bd9Sstevel@tonic-gate flags = 0; 8367c478bd9Sstevel@tonic-gate if (t_rcvudata(Nfd[i].fd, udp, &flags) < 0) { 8377c478bd9Sstevel@tonic-gate errp = Errp[i]; 8387c478bd9Sstevel@tonic-gate if (t_errno == TLOOK) { 8397c478bd9Sstevel@tonic-gate if (t_rcvuderr(Nfd[i].fd, errp) < 0) { 8407c478bd9Sstevel@tonic-gate if (!shutting_down) { 8417c478bd9Sstevel@tonic-gate logerror("t_rcvuderr"); 8427c478bd9Sstevel@tonic-gate } 8437c478bd9Sstevel@tonic-gate t_close(Nfd[i].fd); 8447c478bd9Sstevel@tonic-gate Nfd[i].fd = -1; 8457c478bd9Sstevel@tonic-gate } 8467c478bd9Sstevel@tonic-gate } else { 8477c478bd9Sstevel@tonic-gate if (!shutting_down) { 8487c478bd9Sstevel@tonic-gate logerror("t_rcvudata"); 8497c478bd9Sstevel@tonic-gate } 8507c478bd9Sstevel@tonic-gate t_close(Nfd[i].fd); 8517c478bd9Sstevel@tonic-gate Nfd[i].fd = -1; 8527c478bd9Sstevel@tonic-gate } 8537c478bd9Sstevel@tonic-gate nfds--; 8547c478bd9Sstevel@tonic-gate if (shutting_down) { 8557c478bd9Sstevel@tonic-gate pthread_exit(0); 8567c478bd9Sstevel@tonic-gate } 8577c478bd9Sstevel@tonic-gate continue; 8587c478bd9Sstevel@tonic-gate } 8597c478bd9Sstevel@tonic-gate nfds--; 8607c478bd9Sstevel@tonic-gate 8617c478bd9Sstevel@tonic-gate if (udp->udata.len == 0) { 8627c478bd9Sstevel@tonic-gate if (Debug) { 8637c478bd9Sstevel@tonic-gate uap = NULL; 8647c478bd9Sstevel@tonic-gate if (udp->addr.len > 0) { 8657c478bd9Sstevel@tonic-gate uap = taddr2uaddr(&Ncf[i], 8667c478bd9Sstevel@tonic-gate &udp->addr); 8677c478bd9Sstevel@tonic-gate } 8687c478bd9Sstevel@tonic-gate DPRINT2(1, "net_poll(%u):" 8697c478bd9Sstevel@tonic-gate " received empty packet" 8707c478bd9Sstevel@tonic-gate " from %s\n", mythreadno, 8717c478bd9Sstevel@tonic-gate uap ? uap : "<unknown>"); 8727c478bd9Sstevel@tonic-gate if (uap) 8737c478bd9Sstevel@tonic-gate free(uap); 8747c478bd9Sstevel@tonic-gate } 8757c478bd9Sstevel@tonic-gate continue; /* No data */ 8767c478bd9Sstevel@tonic-gate } 8777c478bd9Sstevel@tonic-gate if (udp->addr.len == 0) { 8787c478bd9Sstevel@tonic-gate /* 8797c478bd9Sstevel@tonic-gate * The previous message was larger than 8807c478bd9Sstevel@tonic-gate * MAXLINE, and T_MORE should have been set. 8817c478bd9Sstevel@tonic-gate * Further data needs to be discarded as 8827c478bd9Sstevel@tonic-gate * we've already received MAXLINE. 8837c478bd9Sstevel@tonic-gate */ 8847c478bd9Sstevel@tonic-gate DPRINT1(1, "net_poll(%u): discarding packet " 8857c478bd9Sstevel@tonic-gate "exceeds max line size\n", mythreadno); 8867c478bd9Sstevel@tonic-gate continue; 8877c478bd9Sstevel@tonic-gate } 8887c478bd9Sstevel@tonic-gate 8897c478bd9Sstevel@tonic-gate net_msg_count++; 8907c478bd9Sstevel@tonic-gate 8917c478bd9Sstevel@tonic-gate if ((mp = new_msg()) == NULL) { 8927c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message from " 8937c478bd9Sstevel@tonic-gate "remote"); 8947c478bd9Sstevel@tonic-gate continue; 8957c478bd9Sstevel@tonic-gate } 8967c478bd9Sstevel@tonic-gate 8977c478bd9Sstevel@tonic-gate buf[udp->udata.len] = '\0'; 8987c478bd9Sstevel@tonic-gate formatnet(&udp->udata, mp); 8997c478bd9Sstevel@tonic-gate 9007c478bd9Sstevel@tonic-gate if (Debug) { 9017c478bd9Sstevel@tonic-gate uap = taddr2uaddr(&Ncf[i], &udp->addr); 9027c478bd9Sstevel@tonic-gate DPRINT2(1, "net_poll(%u): received message" 9037c478bd9Sstevel@tonic-gate " from %s\n", mythreadno, 9047c478bd9Sstevel@tonic-gate uap ? uap : "<unknown>"); 9057c478bd9Sstevel@tonic-gate free(uap); 9067c478bd9Sstevel@tonic-gate } 9077c478bd9Sstevel@tonic-gate if ((hinfo = malloc(sizeof (*hinfo))) == NULL || 9087c478bd9Sstevel@tonic-gate (hinfo->addr.buf = 9097c478bd9Sstevel@tonic-gate malloc(udp->addr.len)) == NULL) { 9107c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message from " 9117c478bd9Sstevel@tonic-gate "remote"); 9127c478bd9Sstevel@tonic-gate if (hinfo) { 9137c478bd9Sstevel@tonic-gate free(hinfo); 9147c478bd9Sstevel@tonic-gate } 9157c478bd9Sstevel@tonic-gate free_msg(mp); 9167c478bd9Sstevel@tonic-gate continue; 9177c478bd9Sstevel@tonic-gate } 9187c478bd9Sstevel@tonic-gate 9197c478bd9Sstevel@tonic-gate hinfo->ncp = &Ncf[i]; 9207c478bd9Sstevel@tonic-gate hinfo->addr.len = udp->addr.len; 9217c478bd9Sstevel@tonic-gate (void) memcpy(hinfo->addr.buf, udp->addr.buf, 9227c478bd9Sstevel@tonic-gate udp->addr.len); 9237c478bd9Sstevel@tonic-gate mp->ptr = hinfo; 9247c478bd9Sstevel@tonic-gate if (dataq_enqueue(&hnlq, (void *)mp) == -1) { 9257c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message from " 9267c478bd9Sstevel@tonic-gate "remote"); 9277c478bd9Sstevel@tonic-gate free_msg(mp); 9287c478bd9Sstevel@tonic-gate free(hinfo->addr.buf); 9297c478bd9Sstevel@tonic-gate free(hinfo); 9307c478bd9Sstevel@tonic-gate continue; 9317c478bd9Sstevel@tonic-gate } 9327c478bd9Sstevel@tonic-gate DPRINT3(5, "net_poll(%u): enqueued msg %p " 9337c478bd9Sstevel@tonic-gate "on queue %p\n", mythreadno, mp, &hnlq); 9347c478bd9Sstevel@tonic-gate } 9357c478bd9Sstevel@tonic-gate } 9367c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 9377c478bd9Sstevel@tonic-gate return (NULL); 9387c478bd9Sstevel@tonic-gate } 9397c478bd9Sstevel@tonic-gate 9407c478bd9Sstevel@tonic-gate static void 9417c478bd9Sstevel@tonic-gate usage(void) 9427c478bd9Sstevel@tonic-gate { 9437c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 9447c478bd9Sstevel@tonic-gate "usage: syslogd [-d] [-t|-T] [-mmarkinterval] [-ppath]" 9457c478bd9Sstevel@tonic-gate " [-fconffile]\n"); 9467c478bd9Sstevel@tonic-gate exit(1); 9477c478bd9Sstevel@tonic-gate } 9487c478bd9Sstevel@tonic-gate 9497c478bd9Sstevel@tonic-gate static void 9507c478bd9Sstevel@tonic-gate untty(void) 9517c478bd9Sstevel@tonic-gate { 9527c478bd9Sstevel@tonic-gate if (!Debug) 9537c478bd9Sstevel@tonic-gate (void) setsid(); 9547c478bd9Sstevel@tonic-gate } 9557c478bd9Sstevel@tonic-gate 9567c478bd9Sstevel@tonic-gate /* 9577c478bd9Sstevel@tonic-gate * generate a log message internally. The original version of syslogd 9587c478bd9Sstevel@tonic-gate * simply called logmsg directly, but because everything is now based 9597c478bd9Sstevel@tonic-gate * on message passing, we need an internal way to generate and queue 9607c478bd9Sstevel@tonic-gate * log messages from within syslogd itself. 9617c478bd9Sstevel@tonic-gate */ 9627c478bd9Sstevel@tonic-gate static int 9637c478bd9Sstevel@tonic-gate logmymsg(int pri, char *msg, int flags, int pending) 9647c478bd9Sstevel@tonic-gate { 9657c478bd9Sstevel@tonic-gate log_message_t *mp; 9667c478bd9Sstevel@tonic-gate pthread_t mythreadno; 9677c478bd9Sstevel@tonic-gate dataq_t *qptr; 9687c478bd9Sstevel@tonic-gate 9697c478bd9Sstevel@tonic-gate if (Debug) { 9707c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 9717c478bd9Sstevel@tonic-gate } 9727c478bd9Sstevel@tonic-gate 9737c478bd9Sstevel@tonic-gate if ((mp = new_msg()) == NULL) { 9747c478bd9Sstevel@tonic-gate return (-1); 9757c478bd9Sstevel@tonic-gate } 9767c478bd9Sstevel@tonic-gate 9777c478bd9Sstevel@tonic-gate _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mp)) 9787c478bd9Sstevel@tonic-gate mp->pri = pri; 9797c478bd9Sstevel@tonic-gate mp->hlp = &LocalHostName; 9807c478bd9Sstevel@tonic-gate (void) strlcpy(mp->msg, msg, MAXLINE+1); 9817c478bd9Sstevel@tonic-gate mp->flags = flags; 9827c478bd9Sstevel@tonic-gate (void) time(&mp->ts); 9837c478bd9Sstevel@tonic-gate 9847c478bd9Sstevel@tonic-gate qptr = pending ? &tmpq : &inputq; 9857c478bd9Sstevel@tonic-gate if (dataq_enqueue(qptr, (void *)mp) == -1) { 9867c478bd9Sstevel@tonic-gate free_msg(mp); 9877c478bd9Sstevel@tonic-gate return (-1); 9887c478bd9Sstevel@tonic-gate } 9897c478bd9Sstevel@tonic-gate 9907c478bd9Sstevel@tonic-gate DPRINT3(5, "logmymsg(%u): enqueued msg %p on queue %p\n", 9917c478bd9Sstevel@tonic-gate mythreadno, mp, qptr); 9927c478bd9Sstevel@tonic-gate DPRINT2(5, "logmymsg(%u): Message content: %s\n", mythreadno, msg); 9937c478bd9Sstevel@tonic-gate return (0); 9947c478bd9Sstevel@tonic-gate } 9957c478bd9Sstevel@tonic-gate 9967c478bd9Sstevel@tonic-gate /* 9977c478bd9Sstevel@tonic-gate * Generate an internal shutdown message 9987c478bd9Sstevel@tonic-gate */ 9997c478bd9Sstevel@tonic-gate static int 10007c478bd9Sstevel@tonic-gate shutdown_msg(void) 10017c478bd9Sstevel@tonic-gate { 10027c478bd9Sstevel@tonic-gate pthread_t mythreadno; 10037c478bd9Sstevel@tonic-gate log_message_t *mp; 10047c478bd9Sstevel@tonic-gate 10057c478bd9Sstevel@tonic-gate if (Debug) { 10067c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 10077c478bd9Sstevel@tonic-gate } 10087c478bd9Sstevel@tonic-gate 10097c478bd9Sstevel@tonic-gate if ((mp = new_msg()) == NULL) { 10107c478bd9Sstevel@tonic-gate return (-1); 10117c478bd9Sstevel@tonic-gate } 10127c478bd9Sstevel@tonic-gate 10137c478bd9Sstevel@tonic-gate _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mp)); 10147c478bd9Sstevel@tonic-gate mp->flags = SHUTDOWN; 10157c478bd9Sstevel@tonic-gate mp->hlp = &LocalHostName; 10167c478bd9Sstevel@tonic-gate 10177c478bd9Sstevel@tonic-gate if (dataq_enqueue(&inputq, (void *)mp) == -1) { 10187c478bd9Sstevel@tonic-gate free_msg(mp); 10197c478bd9Sstevel@tonic-gate return (-1); 10207c478bd9Sstevel@tonic-gate } 10217c478bd9Sstevel@tonic-gate 10227c478bd9Sstevel@tonic-gate DPRINT3(5, "shutdown_msg(%u): enqueued msg %p on queue %p\n", 10237c478bd9Sstevel@tonic-gate mythreadno, mp, &inputq); 10247c478bd9Sstevel@tonic-gate return (0); 10257c478bd9Sstevel@tonic-gate } 10267c478bd9Sstevel@tonic-gate 10277c478bd9Sstevel@tonic-gate /* 10287c478bd9Sstevel@tonic-gate * Generate an internal flush message 10297c478bd9Sstevel@tonic-gate */ 10307c478bd9Sstevel@tonic-gate static void 10317c478bd9Sstevel@tonic-gate flushmsg(int flags) 10327c478bd9Sstevel@tonic-gate { 10337c478bd9Sstevel@tonic-gate log_message_t *mp; 10347c478bd9Sstevel@tonic-gate pthread_t mythreadno; 10357c478bd9Sstevel@tonic-gate 10367c478bd9Sstevel@tonic-gate if (Debug) { 10377c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 10387c478bd9Sstevel@tonic-gate } 10397c478bd9Sstevel@tonic-gate 10407c478bd9Sstevel@tonic-gate if ((mp = new_msg()) == NULL) { 10417c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping flush msg"); 10427c478bd9Sstevel@tonic-gate return; 10437c478bd9Sstevel@tonic-gate } 10447c478bd9Sstevel@tonic-gate 10457c478bd9Sstevel@tonic-gate _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mp)); 10467c478bd9Sstevel@tonic-gate mp->flags = FLUSHMSG | flags; 10477c478bd9Sstevel@tonic-gate mp->hlp = &LocalHostName; 10487c478bd9Sstevel@tonic-gate 10497c478bd9Sstevel@tonic-gate if (dataq_enqueue(&inputq, (void *)mp) == -1) { 10507c478bd9Sstevel@tonic-gate free_msg(mp); 10517c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping flush msg"); 10527c478bd9Sstevel@tonic-gate return; 10537c478bd9Sstevel@tonic-gate } 10547c478bd9Sstevel@tonic-gate 10557c478bd9Sstevel@tonic-gate DPRINT4(5, "flush_msg(%u): enqueued msg %p on queue %p, flags " 10567c478bd9Sstevel@tonic-gate "0x%x\n", mythreadno, mp, &inputq, flags); 10577c478bd9Sstevel@tonic-gate } 10587c478bd9Sstevel@tonic-gate 10597c478bd9Sstevel@tonic-gate /* 10607c478bd9Sstevel@tonic-gate * Do some processing on messages received from the net 10617c478bd9Sstevel@tonic-gate */ 10627c478bd9Sstevel@tonic-gate static void 10637c478bd9Sstevel@tonic-gate formatnet(struct netbuf *nbp, log_message_t *mp) 10647c478bd9Sstevel@tonic-gate { 10657c478bd9Sstevel@tonic-gate char *p; 10667c478bd9Sstevel@tonic-gate int pri; 10677c478bd9Sstevel@tonic-gate pthread_t mythreadno; 10687c478bd9Sstevel@tonic-gate 10697c478bd9Sstevel@tonic-gate if (Debug) { 10707c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 10717c478bd9Sstevel@tonic-gate } 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate DPRINT2(5, "formatnet(%u): called for msg %p\n", mythreadno, mp); 10747c478bd9Sstevel@tonic-gate 10757c478bd9Sstevel@tonic-gate mp->flags = NETWORK; 10767c478bd9Sstevel@tonic-gate (void) time(&mp->ts); 10777c478bd9Sstevel@tonic-gate 10787c478bd9Sstevel@tonic-gate /* test for special codes */ 10797c478bd9Sstevel@tonic-gate pri = DEFUPRI; 10807c478bd9Sstevel@tonic-gate p = nbp->buf; 10817c478bd9Sstevel@tonic-gate DPRINT2(9, "formatnet(%u): Message content:\n>%s<\n", mythreadno, 10827c478bd9Sstevel@tonic-gate p); 10837c478bd9Sstevel@tonic-gate if (*p == '<' && isdigit(*(p+1))) { 10847c478bd9Sstevel@tonic-gate pri = 0; 10857c478bd9Sstevel@tonic-gate while (isdigit(*++p)) 10867c478bd9Sstevel@tonic-gate pri = 10 * pri + (*p - '0'); 10877c478bd9Sstevel@tonic-gate if (*p == '>') 10887c478bd9Sstevel@tonic-gate ++p; 10897c478bd9Sstevel@tonic-gate if (pri <= 0 || pri >= (LOG_NFACILITIES << 3)) 10907c478bd9Sstevel@tonic-gate pri = DEFUPRI; 10917c478bd9Sstevel@tonic-gate } 10927c478bd9Sstevel@tonic-gate 10937c478bd9Sstevel@tonic-gate mp->pri = pri; 10947c478bd9Sstevel@tonic-gate (void) strlcpy(mp->msg, p, MAXLINE+1); 10957c478bd9Sstevel@tonic-gate } 10967c478bd9Sstevel@tonic-gate 10977c478bd9Sstevel@tonic-gate /* 10987c478bd9Sstevel@tonic-gate * Do some processing on messages generated by this host 10997c478bd9Sstevel@tonic-gate * and then enqueue the log message. 11007c478bd9Sstevel@tonic-gate */ 11017c478bd9Sstevel@tonic-gate static void 11027c478bd9Sstevel@tonic-gate formatsys(struct log_ctl *lp, char *msg, int sync) 11037c478bd9Sstevel@tonic-gate { 11047c478bd9Sstevel@tonic-gate char *p, *q; 11057c478bd9Sstevel@tonic-gate char line[MAXLINE + 1]; 11067c478bd9Sstevel@tonic-gate size_t msglen; 11077c478bd9Sstevel@tonic-gate log_message_t *mp; 11087c478bd9Sstevel@tonic-gate char cbuf[30]; 11097c478bd9Sstevel@tonic-gate pthread_t mythreadno; 11107c478bd9Sstevel@tonic-gate 11117c478bd9Sstevel@tonic-gate if (Debug) { 11127c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 11137c478bd9Sstevel@tonic-gate } 11147c478bd9Sstevel@tonic-gate 11157c478bd9Sstevel@tonic-gate DPRINT3(3, "formatsys(%u): log_ctl.mid = %d, log_ctl.sid = %d\n", 11167c478bd9Sstevel@tonic-gate mythreadno, lp->mid, lp->sid); 11177c478bd9Sstevel@tonic-gate DPRINT2(9, "formatsys(%u): Message Content:\n>%s<\n", mythreadno, 11187c478bd9Sstevel@tonic-gate msg); 11197c478bd9Sstevel@tonic-gate 11207c478bd9Sstevel@tonic-gate /* msglen includes the null termination */ 11217c478bd9Sstevel@tonic-gate msglen = strlen(msg) + 1; 11227c478bd9Sstevel@tonic-gate 11237c478bd9Sstevel@tonic-gate for (p = msg; *p != '\0'; ) { 11247c478bd9Sstevel@tonic-gate size_t linelen; 11257c478bd9Sstevel@tonic-gate size_t len; 11267c478bd9Sstevel@tonic-gate 11277c478bd9Sstevel@tonic-gate /* 11287c478bd9Sstevel@tonic-gate * Allocate a log_message_t structure. 11297c478bd9Sstevel@tonic-gate * We should do it here since a single message (msg) 11307c478bd9Sstevel@tonic-gate * could be composed of many lines. 11317c478bd9Sstevel@tonic-gate */ 11327c478bd9Sstevel@tonic-gate _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mp)); 11337c478bd9Sstevel@tonic-gate 11347c478bd9Sstevel@tonic-gate if ((mp = new_msg()) == NULL) { 11357c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message"); 11367c478bd9Sstevel@tonic-gate /* 11377c478bd9Sstevel@tonic-gate * Should bail out from the loop. 11387c478bd9Sstevel@tonic-gate */ 11397c478bd9Sstevel@tonic-gate break; 11407c478bd9Sstevel@tonic-gate } 11417c478bd9Sstevel@tonic-gate 11427c478bd9Sstevel@tonic-gate mp->flags &= ~NETWORK; 11437c478bd9Sstevel@tonic-gate mp->hlp = &LocalHostName; 11447c478bd9Sstevel@tonic-gate mp->ts = lp->ttime; 11457c478bd9Sstevel@tonic-gate if (lp->flags & SL_LOGONLY) 11467c478bd9Sstevel@tonic-gate mp->flags |= IGN_CONS; 11477c478bd9Sstevel@tonic-gate if (lp->flags & SL_CONSONLY) 11487c478bd9Sstevel@tonic-gate mp->flags |= IGN_FILE; 11497c478bd9Sstevel@tonic-gate 11507c478bd9Sstevel@tonic-gate /* extract facility */ 11517c478bd9Sstevel@tonic-gate if ((lp->pri & LOG_FACMASK) == LOG_KERN) { 11527c478bd9Sstevel@tonic-gate (void) sprintf(line, "%.15s ", 11537c478bd9Sstevel@tonic-gate ctime_r(&mp->ts, cbuf) + 4); 11547c478bd9Sstevel@tonic-gate } else { 11557c478bd9Sstevel@tonic-gate (void) sprintf(line, ""); 11567c478bd9Sstevel@tonic-gate } 11577c478bd9Sstevel@tonic-gate 11587c478bd9Sstevel@tonic-gate linelen = strlen(line); 11597c478bd9Sstevel@tonic-gate q = line + linelen; 11607c478bd9Sstevel@tonic-gate 11617c478bd9Sstevel@tonic-gate DPRINT2(5, "formatsys(%u): msglen = %d\n", mythreadno, msglen); 11627c478bd9Sstevel@tonic-gate len = copynl_frwd(q, MAXLINE + 1 - linelen, p, msglen); 11637c478bd9Sstevel@tonic-gate DPRINT2(5, "formatsys(%u): len (copynl_frwd) = %d\n", 11647c478bd9Sstevel@tonic-gate mythreadno, len); 11657c478bd9Sstevel@tonic-gate 11667c478bd9Sstevel@tonic-gate p += len; 11677c478bd9Sstevel@tonic-gate msglen -= len; 11687c478bd9Sstevel@tonic-gate 11697c478bd9Sstevel@tonic-gate if (*p == '\n') { 11707c478bd9Sstevel@tonic-gate /* skip newline */ 11717c478bd9Sstevel@tonic-gate p++; 11727c478bd9Sstevel@tonic-gate } 11737c478bd9Sstevel@tonic-gate 11747c478bd9Sstevel@tonic-gate if (sync && ((lp->pri & LOG_FACMASK) == LOG_KERN)) 11757c478bd9Sstevel@tonic-gate mp->flags |= SYNC_FILE; /* fsync file after write */ 11767c478bd9Sstevel@tonic-gate 11777c478bd9Sstevel@tonic-gate if (len != 0) { 11787c478bd9Sstevel@tonic-gate (void) strlcpy(mp->msg, line, MAXLINE+1); 11797c478bd9Sstevel@tonic-gate mp->pri = lp->pri; 11807c478bd9Sstevel@tonic-gate 11817c478bd9Sstevel@tonic-gate if (dataq_enqueue(&inputq, (void *)mp) == -1) { 11827c478bd9Sstevel@tonic-gate free_msg(mp); 11837c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message"); 11847c478bd9Sstevel@tonic-gate break; 11857c478bd9Sstevel@tonic-gate } 11867c478bd9Sstevel@tonic-gate 11877c478bd9Sstevel@tonic-gate DPRINT3(5, "formatsys(%u): sys_thread enqueued msg " 11887c478bd9Sstevel@tonic-gate "%p on queue %p\n", mythreadno, mp, &inputq); 11897c478bd9Sstevel@tonic-gate } else 11907c478bd9Sstevel@tonic-gate free_msg(mp); 11917c478bd9Sstevel@tonic-gate } 11927c478bd9Sstevel@tonic-gate } 11937c478bd9Sstevel@tonic-gate 11947c478bd9Sstevel@tonic-gate /* 11957c478bd9Sstevel@tonic-gate * Log a message to the appropriate log files, users, etc. based on 11967c478bd9Sstevel@tonic-gate * the priority. 11977c478bd9Sstevel@tonic-gate */ 11987c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 11997c478bd9Sstevel@tonic-gate static void * 12007c478bd9Sstevel@tonic-gate logmsg(void *ap) 12017c478bd9Sstevel@tonic-gate { 12027c478bd9Sstevel@tonic-gate struct filed *f; 12037c478bd9Sstevel@tonic-gate int fac, prilev, flags, refcnt; 12047c478bd9Sstevel@tonic-gate int fake_shutdown, skip_shutdown; 12057c478bd9Sstevel@tonic-gate log_message_t *mp, *save_mp; 12067c478bd9Sstevel@tonic-gate pthread_t mythreadno; 12077c478bd9Sstevel@tonic-gate 12087c478bd9Sstevel@tonic-gate if (Debug) { 12097c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 12107c478bd9Sstevel@tonic-gate } 12117c478bd9Sstevel@tonic-gate 12127c478bd9Sstevel@tonic-gate DPRINT1(1, "logmsg(%u): msg dispatcher started\n", mythreadno); 12137c478bd9Sstevel@tonic-gate 12147c478bd9Sstevel@tonic-gate fake_shutdown = skip_shutdown = 0; 12157c478bd9Sstevel@tonic-gate save_mp = NULL; 12167c478bd9Sstevel@tonic-gate for (;;) { 12177c478bd9Sstevel@tonic-gate if (save_mp) { 12187c478bd9Sstevel@tonic-gate /* 12197c478bd9Sstevel@tonic-gate * If we have set aside a message in order to fake a 12207c478bd9Sstevel@tonic-gate * SHUTDOWN, use that message before picking from the 12217c478bd9Sstevel@tonic-gate * queue again. 12227c478bd9Sstevel@tonic-gate */ 12237c478bd9Sstevel@tonic-gate mp = save_mp; 12247c478bd9Sstevel@tonic-gate save_mp = NULL; 12257c478bd9Sstevel@tonic-gate } else { 12267c478bd9Sstevel@tonic-gate (void) dataq_dequeue(&inputq, (void **)&mp, 0); 12277c478bd9Sstevel@tonic-gate } 12287c478bd9Sstevel@tonic-gate _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mp)) 12297c478bd9Sstevel@tonic-gate DPRINT3(5, "logmsg(%u): msg dispatcher dequeued %p from " 12307c478bd9Sstevel@tonic-gate "queue %p\n", mythreadno, mp, &inputq); 12317c478bd9Sstevel@tonic-gate 12327c478bd9Sstevel@tonic-gate /* 12337c478bd9Sstevel@tonic-gate * In most cases, if the message traffic is low, logmsg() wakes 12347c478bd9Sstevel@tonic-gate * up when it receives the SHUTDOWN msg, and will sleep until 12357c478bd9Sstevel@tonic-gate * HUP process is complete. However, if the inputq is too 12367c478bd9Sstevel@tonic-gate * long, logmsg() may not receive SHUTDOWN before reconfigure() 12377c478bd9Sstevel@tonic-gate * releases the logger fds, filed and logit threads. That, in 12387c478bd9Sstevel@tonic-gate * turn, will cause logmsg to refer to invalid fileds. 12397c478bd9Sstevel@tonic-gate * 12407c478bd9Sstevel@tonic-gate * logmsg() needs to respond to the SHUTDOWN message within 12417c478bd9Sstevel@tonic-gate * LOOP_INTERVAL seconds when reconfigure() enqueues it. It 12427c478bd9Sstevel@tonic-gate * does so in most cases. When it does not respond in time, 12437c478bd9Sstevel@tonic-gate * logmsg() needs to be in suspended state immediately, since 12447c478bd9Sstevel@tonic-gate * filed may have been invalidated. reconfigure() will set the 12457c478bd9Sstevel@tonic-gate * HUP_SUSP_LOGMSG_REQD bit in hup_state and wait another 12467c478bd9Sstevel@tonic-gate * LOOP_INTERVAL seconds before proceeding. 12477c478bd9Sstevel@tonic-gate * 12487c478bd9Sstevel@tonic-gate * When HUP_SUSP_LOGMSG_REQD is set, we will create a fake 12497c478bd9Sstevel@tonic-gate * SHUTDOWN message, and dispatch it to the various logit 12507c478bd9Sstevel@tonic-gate * threads, and logmsg() itself will suspend. In order to 12517c478bd9Sstevel@tonic-gate * ignore the real SHUTDOWN which will arrive later, we keep a 12527c478bd9Sstevel@tonic-gate * counter (skip_shutdown) and decrement it when the SHUTDOWN 12537c478bd9Sstevel@tonic-gate * message arrives. 12547c478bd9Sstevel@tonic-gate */ 12557c478bd9Sstevel@tonic-gate if ((hup_state & HUP_SUSP_LOGMSG_REQD) && 12567c478bd9Sstevel@tonic-gate (mp->flags & SHUTDOWN) == 0) { 12577c478bd9Sstevel@tonic-gate DPRINT1(3, "logmsg(%u): suspend request\n", 12587c478bd9Sstevel@tonic-gate mythreadno); 12597c478bd9Sstevel@tonic-gate 12607c478bd9Sstevel@tonic-gate save_mp = mp; 12617c478bd9Sstevel@tonic-gate 12627c478bd9Sstevel@tonic-gate /* create a fake SHUTDOWN msg */ 12637c478bd9Sstevel@tonic-gate if ((mp = new_msg()) == NULL) { 12647c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message"); 12657c478bd9Sstevel@tonic-gate if (mp->flags & SHUTDOWN) { 12667c478bd9Sstevel@tonic-gate (void) logerror_to_console(1, 12677c478bd9Sstevel@tonic-gate "unable to shutdown " 12687c478bd9Sstevel@tonic-gate "logger thread"); 12697c478bd9Sstevel@tonic-gate } 12707c478bd9Sstevel@tonic-gate continue; 12717c478bd9Sstevel@tonic-gate } 12727c478bd9Sstevel@tonic-gate mp->flags = SHUTDOWN; 12737c478bd9Sstevel@tonic-gate mp->hlp = &LocalHostName; 12747c478bd9Sstevel@tonic-gate fake_shutdown = 1; 12757c478bd9Sstevel@tonic-gate skip_shutdown++; 12767c478bd9Sstevel@tonic-gate DPRINT2(3, "logmsg(%u): pending SHUTDOWN %d\n", 12777c478bd9Sstevel@tonic-gate mythreadno, skip_shutdown); 12787c478bd9Sstevel@tonic-gate } 12797c478bd9Sstevel@tonic-gate 12807c478bd9Sstevel@tonic-gate /* 12817c478bd9Sstevel@tonic-gate * is it a shutdown or flush message ? 12827c478bd9Sstevel@tonic-gate */ 12837c478bd9Sstevel@tonic-gate if ((mp->flags & SHUTDOWN) || (mp->flags & FLUSHMSG)) { 12847c478bd9Sstevel@tonic-gate pthread_mutex_lock(&mp->msg_mutex); 12857c478bd9Sstevel@tonic-gate 12867c478bd9Sstevel@tonic-gate if ((mp->flags & SHUTDOWN) && 12877c478bd9Sstevel@tonic-gate !fake_shutdown && skip_shutdown > 0) { 12887c478bd9Sstevel@tonic-gate skip_shutdown--; 12897c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&mp->msg_mutex); 12907c478bd9Sstevel@tonic-gate free_msg(mp); 12917c478bd9Sstevel@tonic-gate DPRINT2(3, "logmsg(%u): released late " 12927c478bd9Sstevel@tonic-gate "arrived SHUTDOWN. pending %d\n", 12937c478bd9Sstevel@tonic-gate mythreadno, skip_shutdown); 12947c478bd9Sstevel@tonic-gate continue; 12957c478bd9Sstevel@tonic-gate } 12967c478bd9Sstevel@tonic-gate 12977c478bd9Sstevel@tonic-gate for (f = Files; f < &Files[nlogs]; f++) { 12987c478bd9Sstevel@tonic-gate pthread_mutex_lock(&f->filed_mutex); 12997c478bd9Sstevel@tonic-gate 13007c478bd9Sstevel@tonic-gate if (f->f_type == F_UNUSED) { 13017c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&f->filed_mutex); 13027c478bd9Sstevel@tonic-gate continue; 13037c478bd9Sstevel@tonic-gate } 13047c478bd9Sstevel@tonic-gate 13057c478bd9Sstevel@tonic-gate f->f_queue_count++; 13067c478bd9Sstevel@tonic-gate mp->refcnt++; 13077c478bd9Sstevel@tonic-gate 13087c478bd9Sstevel@tonic-gate if (dataq_enqueue(&f->f_queue, 13097c478bd9Sstevel@tonic-gate (void *)mp) == -1) { 13107c478bd9Sstevel@tonic-gate f->f_queue_count--; 13117c478bd9Sstevel@tonic-gate mp->refcnt--; 13127c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&f->filed_mutex); 13137c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message"); 13147c478bd9Sstevel@tonic-gate 13157c478bd9Sstevel@tonic-gate if (mp->flags & SHUTDOWN) { 13167c478bd9Sstevel@tonic-gate (void) logerror_to_console(1, 13177c478bd9Sstevel@tonic-gate "unable to shutdown " 13187c478bd9Sstevel@tonic-gate "logger thread"); 13197c478bd9Sstevel@tonic-gate } 13207c478bd9Sstevel@tonic-gate 13217c478bd9Sstevel@tonic-gate continue; 13227c478bd9Sstevel@tonic-gate } 13237c478bd9Sstevel@tonic-gate DPRINT3(5, "logmsg(%u): enqueued msg %p " 13247c478bd9Sstevel@tonic-gate "on queue %p\n", mythreadno, mp, 13257c478bd9Sstevel@tonic-gate &f->f_queue); 13267c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&f->filed_mutex); 13277c478bd9Sstevel@tonic-gate } 13287c478bd9Sstevel@tonic-gate 13297c478bd9Sstevel@tonic-gate /* 13307c478bd9Sstevel@tonic-gate * flags value needs to be saved because mp may 13317c478bd9Sstevel@tonic-gate * have been freed before SHUTDOWN test below. 13327c478bd9Sstevel@tonic-gate */ 13337c478bd9Sstevel@tonic-gate flags = mp->flags; 13347c478bd9Sstevel@tonic-gate refcnt = mp->refcnt; 13357c478bd9Sstevel@tonic-gate 13367c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&mp->msg_mutex); 13377c478bd9Sstevel@tonic-gate if (refcnt == 0) 13387c478bd9Sstevel@tonic-gate free_msg(mp); 13397c478bd9Sstevel@tonic-gate 13407c478bd9Sstevel@tonic-gate if (flags & SHUTDOWN) { 13417c478bd9Sstevel@tonic-gate pthread_mutex_lock(&hup_lock); 13427c478bd9Sstevel@tonic-gate while (hup_state != HUP_COMPLETED) { 13437c478bd9Sstevel@tonic-gate hup_state |= HUP_LOGMSG_SUSPENDED; 13447c478bd9Sstevel@tonic-gate (void) pthread_cond_wait(&hup_done, 13457c478bd9Sstevel@tonic-gate &hup_lock); 13467c478bd9Sstevel@tonic-gate hup_state &= ~HUP_LOGMSG_SUSPENDED; 13477c478bd9Sstevel@tonic-gate } 13487c478bd9Sstevel@tonic-gate hup_state = HUP_ACCEPTABLE; 13497c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&hup_lock); 13507c478bd9Sstevel@tonic-gate fake_shutdown = 0; 13517c478bd9Sstevel@tonic-gate } 13527c478bd9Sstevel@tonic-gate continue; 13537c478bd9Sstevel@tonic-gate } 13547c478bd9Sstevel@tonic-gate 13557c478bd9Sstevel@tonic-gate /* 13567c478bd9Sstevel@tonic-gate * Check to see if msg looks non-standard. 13577c478bd9Sstevel@tonic-gate */ 13587c478bd9Sstevel@tonic-gate if ((int)strlen(mp->msg) < 16 || mp->msg[3] != ' ' || 13597c478bd9Sstevel@tonic-gate mp->msg[6] != ' ' || mp->msg[9] != ':' || 13607c478bd9Sstevel@tonic-gate mp->msg[12] != ':' || mp->msg[15] != ' ') 13617c478bd9Sstevel@tonic-gate mp->flags |= ADDDATE; 13627c478bd9Sstevel@tonic-gate 13637c478bd9Sstevel@tonic-gate /* extract facility and priority level */ 13647c478bd9Sstevel@tonic-gate fac = (mp->pri & LOG_FACMASK) >> 3; 13657c478bd9Sstevel@tonic-gate if (mp->flags & MARK) 13667c478bd9Sstevel@tonic-gate fac = LOG_NFACILITIES; 13677c478bd9Sstevel@tonic-gate prilev = mp->pri & LOG_PRIMASK; 13687c478bd9Sstevel@tonic-gate 13697c478bd9Sstevel@tonic-gate DPRINT3(3, "logmsg(%u): fac = %d, pri = %d\n", 13707c478bd9Sstevel@tonic-gate mythreadno, fac, prilev); 13717c478bd9Sstevel@tonic-gate 13727c478bd9Sstevel@tonic-gate /* 13737c478bd9Sstevel@tonic-gate * Because different devices log at different speeds, 13747c478bd9Sstevel@tonic-gate * it's important to hold the mutex for the current 13757c478bd9Sstevel@tonic-gate * message until it's been enqueued to all log files, 13767c478bd9Sstevel@tonic-gate * so the reference count is accurate before any 13777c478bd9Sstevel@tonic-gate * of the log threads can decrement it. 13787c478bd9Sstevel@tonic-gate */ 13797c478bd9Sstevel@tonic-gate _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*mp)) 13807c478bd9Sstevel@tonic-gate _NOTE(COMPETING_THREADS_NOW) 13817c478bd9Sstevel@tonic-gate pthread_mutex_lock(&mp->msg_mutex); 13827c478bd9Sstevel@tonic-gate 13837c478bd9Sstevel@tonic-gate for (f = Files; f < &Files[nlogs]; f++) { 13847c478bd9Sstevel@tonic-gate /* skip messages that are incorrect priority */ 13857c478bd9Sstevel@tonic-gate if (f->f_pmask[fac] < (unsigned)prilev || 13867c478bd9Sstevel@tonic-gate f->f_pmask[fac] == NOPRI) 13877c478bd9Sstevel@tonic-gate continue; 13887c478bd9Sstevel@tonic-gate if (f->f_queue_count > Q_HIGHWATER_MARK) { 13897c478bd9Sstevel@tonic-gate DPRINT4(5, "logmsg(%u): Dropping message " 13907c478bd9Sstevel@tonic-gate "%p on file %p, count = %d\n", 13917c478bd9Sstevel@tonic-gate mythreadno, mp, f, 13927c478bd9Sstevel@tonic-gate f->f_queue_count); 13937c478bd9Sstevel@tonic-gate continue; 13947c478bd9Sstevel@tonic-gate } 13957c478bd9Sstevel@tonic-gate 13967c478bd9Sstevel@tonic-gate /* 13977c478bd9Sstevel@tonic-gate * Need to grab filed_mutex before testing the f_type. 13987c478bd9Sstevel@tonic-gate * Otherwise logit() may set F_UNUSED after the test 13997c478bd9Sstevel@tonic-gate * below, and start pulling out the pending messages. 14007c478bd9Sstevel@tonic-gate */ 14017c478bd9Sstevel@tonic-gate 14027c478bd9Sstevel@tonic-gate pthread_mutex_lock(&f->filed_mutex); 14037c478bd9Sstevel@tonic-gate 14047c478bd9Sstevel@tonic-gate if (f->f_type == F_UNUSED || 14057c478bd9Sstevel@tonic-gate (f->f_type == F_FILE && (mp->flags & IGN_FILE)) || 14067c478bd9Sstevel@tonic-gate (f->f_type == F_CONSOLE && 14077c478bd9Sstevel@tonic-gate (mp->flags & IGN_CONS))) { 14087c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&f->filed_mutex); 14097c478bd9Sstevel@tonic-gate continue; 14107c478bd9Sstevel@tonic-gate } 14117c478bd9Sstevel@tonic-gate 14127c478bd9Sstevel@tonic-gate f->f_queue_count++; 14137c478bd9Sstevel@tonic-gate mp->refcnt++; 14147c478bd9Sstevel@tonic-gate 14157c478bd9Sstevel@tonic-gate if (dataq_enqueue(&f->f_queue, (void *)mp) == -1) { 14167c478bd9Sstevel@tonic-gate f->f_queue_count--; 14177c478bd9Sstevel@tonic-gate mp->refcnt--; 14187c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&f->filed_mutex); 14197c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message"); 14207c478bd9Sstevel@tonic-gate continue; 14217c478bd9Sstevel@tonic-gate } 14227c478bd9Sstevel@tonic-gate 14237c478bd9Sstevel@tonic-gate DPRINT3(5, "logmsg(%u): enqueued msg %p on queue " 14247c478bd9Sstevel@tonic-gate "%p\n", mythreadno, mp, &f->f_queue); 14257c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&f->filed_mutex); 14267c478bd9Sstevel@tonic-gate } 14277c478bd9Sstevel@tonic-gate refcnt = mp->refcnt; 14287c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&mp->msg_mutex); 14297c478bd9Sstevel@tonic-gate if (refcnt == 0) 14307c478bd9Sstevel@tonic-gate free_msg(mp); 14317c478bd9Sstevel@tonic-gate } 14327c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 14337c478bd9Sstevel@tonic-gate return (NULL); 14347c478bd9Sstevel@tonic-gate } 14357c478bd9Sstevel@tonic-gate 14367c478bd9Sstevel@tonic-gate /* 14377c478bd9Sstevel@tonic-gate * function to actually write the log message to the selected file. 14387c478bd9Sstevel@tonic-gate * each file has a logger thread that runs this routine. The function 14397c478bd9Sstevel@tonic-gate * is called with a pointer to its file structure. 14407c478bd9Sstevel@tonic-gate */ 14417c478bd9Sstevel@tonic-gate static void * 14427c478bd9Sstevel@tonic-gate logit(void *ap) 14437c478bd9Sstevel@tonic-gate { 14447c478bd9Sstevel@tonic-gate struct filed *f = ap; 14457c478bd9Sstevel@tonic-gate log_message_t *mp; 14467c478bd9Sstevel@tonic-gate int forwardingloop = 0; 14477c478bd9Sstevel@tonic-gate char *errmsg = "logit(%u): %s to %s forwarding loop detected\n"; 14487c478bd9Sstevel@tonic-gate int i, currofst, prevofst, refcnt; 14497c478bd9Sstevel@tonic-gate host_list_t *hlp; 14507c478bd9Sstevel@tonic-gate 14517c478bd9Sstevel@tonic-gate assert(f != NULL); 14527c478bd9Sstevel@tonic-gate 14537c478bd9Sstevel@tonic-gate DPRINT4(5, "logit(%u): logger started for \"%s\" (queue %p, filed " 14547c478bd9Sstevel@tonic-gate "%p)\n", f->f_thread, f->f_un.f_fname, &f->f_queue, f); 14557c478bd9Sstevel@tonic-gate _NOTE(COMPETING_THREADS_NOW); 14567c478bd9Sstevel@tonic-gate 14577c478bd9Sstevel@tonic-gate while (f->f_type != F_UNUSED) { 14587c478bd9Sstevel@tonic-gate (void) dataq_dequeue(&f->f_queue, (void **)&mp, 0); 14597c478bd9Sstevel@tonic-gate DPRINT3(5, "logit(%u): logger dequeued msg %p from queue " 14607c478bd9Sstevel@tonic-gate "%p\n", 14617c478bd9Sstevel@tonic-gate f->f_thread, mp, &f->f_queue); 14627c478bd9Sstevel@tonic-gate pthread_mutex_lock(&f->filed_mutex); 14637c478bd9Sstevel@tonic-gate assert(f->f_queue_count > 0); 14647c478bd9Sstevel@tonic-gate f->f_queue_count--; 14657c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&f->filed_mutex); 14667c478bd9Sstevel@tonic-gate assert(mp->refcnt > 0); 14677c478bd9Sstevel@tonic-gate 14687c478bd9Sstevel@tonic-gate /* 14697c478bd9Sstevel@tonic-gate * is it a shutdown message ? 14707c478bd9Sstevel@tonic-gate */ 14717c478bd9Sstevel@tonic-gate if (mp->flags & SHUTDOWN) { 14727c478bd9Sstevel@tonic-gate pthread_mutex_lock(&mp->msg_mutex); 14737c478bd9Sstevel@tonic-gate refcnt = --mp->refcnt; 14747c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&mp->msg_mutex); 14757c478bd9Sstevel@tonic-gate if (refcnt == 0) 14767c478bd9Sstevel@tonic-gate free_msg(mp); 14777c478bd9Sstevel@tonic-gate break; 14787c478bd9Sstevel@tonic-gate } 14797c478bd9Sstevel@tonic-gate 14807c478bd9Sstevel@tonic-gate /* 14817c478bd9Sstevel@tonic-gate * Is it a logsync message? 14827c478bd9Sstevel@tonic-gate */ 14837c478bd9Sstevel@tonic-gate if ((mp->flags & (FLUSHMSG | LOGSYNC)) == 14847c478bd9Sstevel@tonic-gate (FLUSHMSG | LOGSYNC)) { 14857c478bd9Sstevel@tonic-gate if (f->f_type != F_FILE) 14867c478bd9Sstevel@tonic-gate goto out; /* nothing to do */ 14877c478bd9Sstevel@tonic-gate (void) close(f->f_file); 14887c478bd9Sstevel@tonic-gate f->f_file = open64(f->f_un.f_fname, 14897c478bd9Sstevel@tonic-gate O_WRONLY|O_APPEND|O_NOCTTY); 14907c478bd9Sstevel@tonic-gate if (f->f_file < 0) { 14917c478bd9Sstevel@tonic-gate f->f_type = F_UNUSED; 14927c478bd9Sstevel@tonic-gate logerror(f->f_un.f_fname); 14937c478bd9Sstevel@tonic-gate f->f_stat.errs++; 14947c478bd9Sstevel@tonic-gate } 14957c478bd9Sstevel@tonic-gate goto out; 14967c478bd9Sstevel@tonic-gate } 14977c478bd9Sstevel@tonic-gate 14987c478bd9Sstevel@tonic-gate /* 14997c478bd9Sstevel@tonic-gate * If the message flags include both flush and sync, 15007c478bd9Sstevel@tonic-gate * then just sync the file out to disk if appropriate. 15017c478bd9Sstevel@tonic-gate */ 15027c478bd9Sstevel@tonic-gate if ((mp->flags & (FLUSHMSG | SYNC_FILE)) == 15037c478bd9Sstevel@tonic-gate (FLUSHMSG | SYNC_FILE)) { 15047c478bd9Sstevel@tonic-gate if (f->f_type == F_FILE) { 15057c478bd9Sstevel@tonic-gate DPRINT2(5, "logit(%u): got FLUSH|SYNC " 15067c478bd9Sstevel@tonic-gate "for filed %p\n", f->f_thread, 15077c478bd9Sstevel@tonic-gate f); 15087c478bd9Sstevel@tonic-gate (void) fsync(f->f_file); 15097c478bd9Sstevel@tonic-gate } 15107c478bd9Sstevel@tonic-gate goto out; 15117c478bd9Sstevel@tonic-gate } 15127c478bd9Sstevel@tonic-gate 15137c478bd9Sstevel@tonic-gate /* 15147c478bd9Sstevel@tonic-gate * Otherwise if it's a standard flush message, write 15157c478bd9Sstevel@tonic-gate * out any saved messages to the file. 15167c478bd9Sstevel@tonic-gate */ 15177c478bd9Sstevel@tonic-gate if ((mp->flags & FLUSHMSG) && (f->f_prevcount > 0)) { 15187c478bd9Sstevel@tonic-gate set_flush_msg(f); 15197c478bd9Sstevel@tonic-gate writemsg(SAVED, f); 15207c478bd9Sstevel@tonic-gate goto out; 15217c478bd9Sstevel@tonic-gate } 15227c478bd9Sstevel@tonic-gate 15237c478bd9Sstevel@tonic-gate (void) strlcpy(f->f_current.msg, mp->msg, MAXLINE+1); 15247c478bd9Sstevel@tonic-gate (void) strlcpy(f->f_current.host, mp->hlp->hl_hosts[0], 15257c478bd9Sstevel@tonic-gate SYS_NMLN); 15267c478bd9Sstevel@tonic-gate f->f_current.pri = mp->pri; 15277c478bd9Sstevel@tonic-gate f->f_current.flags = mp->flags; 15287c478bd9Sstevel@tonic-gate f->f_current.time = mp->ts; 15297c478bd9Sstevel@tonic-gate f->f_msgflag &= ~CURRENT_VALID; 15307c478bd9Sstevel@tonic-gate hlp = mp->hlp; 15317c478bd9Sstevel@tonic-gate 15327c478bd9Sstevel@tonic-gate prevofst = (f->f_prevmsg.flags & ADDDATE) ? 0 : 16; 15337c478bd9Sstevel@tonic-gate currofst = (f->f_current.flags & ADDDATE) ? 0 : 16; 15347c478bd9Sstevel@tonic-gate 15357c478bd9Sstevel@tonic-gate if (f->f_type == F_FORW) { 15367c478bd9Sstevel@tonic-gate /* 15377c478bd9Sstevel@tonic-gate * Should not forward MARK messages, as they are 15387c478bd9Sstevel@tonic-gate * not defined outside of the current system. 15397c478bd9Sstevel@tonic-gate */ 15407c478bd9Sstevel@tonic-gate 15417c478bd9Sstevel@tonic-gate if (mp->flags & MARK) { 15427c478bd9Sstevel@tonic-gate DPRINT1(1, "logit(%u): cannot forward " 15437c478bd9Sstevel@tonic-gate "Mark\n", f->f_thread); 15447c478bd9Sstevel@tonic-gate goto out; 15457c478bd9Sstevel@tonic-gate } 15467c478bd9Sstevel@tonic-gate 15477c478bd9Sstevel@tonic-gate /* 15487c478bd9Sstevel@tonic-gate * can not forward message if we do 15497c478bd9Sstevel@tonic-gate * not have a host to forward to 15507c478bd9Sstevel@tonic-gate */ 15517c478bd9Sstevel@tonic-gate if (hlp == (host_list_t *)NULL) 15527c478bd9Sstevel@tonic-gate goto out; 15537c478bd9Sstevel@tonic-gate /* 15547c478bd9Sstevel@tonic-gate * a forwarding loop is created on machines 15557c478bd9Sstevel@tonic-gate * with multiple interfaces because the 15567c478bd9Sstevel@tonic-gate * network address of the sender is different 15577c478bd9Sstevel@tonic-gate * to the receiver even though it is the 15587c478bd9Sstevel@tonic-gate * same machine. Instead, if the 15597c478bd9Sstevel@tonic-gate * hostname the source and target are 15607c478bd9Sstevel@tonic-gate * the same the message if thrown away 15617c478bd9Sstevel@tonic-gate */ 15627c478bd9Sstevel@tonic-gate forwardingloop = 0; 15637c478bd9Sstevel@tonic-gate for (i = 0; i < hlp->hl_cnt; i++) { 15647c478bd9Sstevel@tonic-gate if (strcmp(hlp->hl_hosts[i], 15657c478bd9Sstevel@tonic-gate f->f_un.f_forw.f_hname) == 0) { 15667c478bd9Sstevel@tonic-gate DPRINT3(1, errmsg, f->f_thread, 15677c478bd9Sstevel@tonic-gate f->f_un.f_forw.f_hname, 15687c478bd9Sstevel@tonic-gate hlp->hl_hosts[i]); 15697c478bd9Sstevel@tonic-gate forwardingloop = 1; 15707c478bd9Sstevel@tonic-gate break; 15717c478bd9Sstevel@tonic-gate } 15727c478bd9Sstevel@tonic-gate } 15737c478bd9Sstevel@tonic-gate 15747c478bd9Sstevel@tonic-gate if (forwardingloop == 1) { 15757c478bd9Sstevel@tonic-gate f->f_stat.cantfwd++; 15767c478bd9Sstevel@tonic-gate goto out; 15777c478bd9Sstevel@tonic-gate } 15787c478bd9Sstevel@tonic-gate } 15797c478bd9Sstevel@tonic-gate 15807c478bd9Sstevel@tonic-gate f->f_msgflag |= CURRENT_VALID; 15817c478bd9Sstevel@tonic-gate 15827c478bd9Sstevel@tonic-gate /* check for dup message */ 15837c478bd9Sstevel@tonic-gate if (f->f_type != F_FORW && 15847c478bd9Sstevel@tonic-gate (f->f_msgflag & OLD_VALID) && 15857c478bd9Sstevel@tonic-gate prevofst == currofst && 15867c478bd9Sstevel@tonic-gate (strcmp(f->f_prevmsg.msg + prevofst, 15877c478bd9Sstevel@tonic-gate f->f_current.msg + currofst) == 0) && 15887c478bd9Sstevel@tonic-gate (strcmp(f->f_prevmsg.host, 15897c478bd9Sstevel@tonic-gate f->f_current.host) == 0)) { 15907c478bd9Sstevel@tonic-gate /* a dup */ 15917c478bd9Sstevel@tonic-gate DPRINT2(2, "logit(%u): msg is dup - %p\n", 15927c478bd9Sstevel@tonic-gate f->f_thread, mp); 15937c478bd9Sstevel@tonic-gate if (currofst == 16) { 15947c478bd9Sstevel@tonic-gate (void) strncpy(f->f_prevmsg.msg, 15957c478bd9Sstevel@tonic-gate f->f_current.msg, 15); /* update time */ 15967c478bd9Sstevel@tonic-gate } 15977c478bd9Sstevel@tonic-gate f->f_prevcount++; 15987c478bd9Sstevel@tonic-gate f->f_stat.dups++; 15997c478bd9Sstevel@tonic-gate f->f_stat.total++; 16007c478bd9Sstevel@tonic-gate f->f_msgflag &= ~CURRENT_VALID; 16017c478bd9Sstevel@tonic-gate } else { 16027c478bd9Sstevel@tonic-gate /* new: mark or prior dups exist */ 16037c478bd9Sstevel@tonic-gate if (f->f_current.flags & MARK || f->f_prevcount > 0) { 16047c478bd9Sstevel@tonic-gate if (f->f_prevcount > 0 && f->f_type != F_FORW) { 16057c478bd9Sstevel@tonic-gate set_flush_msg(f); 16067c478bd9Sstevel@tonic-gate if (f->f_msgflag & OLD_VALID) { 16077c478bd9Sstevel@tonic-gate writemsg(SAVED, f); 16087c478bd9Sstevel@tonic-gate } 16097c478bd9Sstevel@tonic-gate } 16107c478bd9Sstevel@tonic-gate if (f->f_msgflag & CURRENT_VALID) 16117c478bd9Sstevel@tonic-gate writemsg(CURRENT, f); 16127c478bd9Sstevel@tonic-gate if (!(mp->flags & NOCOPY)) 16137c478bd9Sstevel@tonic-gate copy_msg(f); 16147c478bd9Sstevel@tonic-gate if (f->f_current.flags & MARK) { 16157c478bd9Sstevel@tonic-gate DPRINT2(2, "logit(%u): msg is " 16167c478bd9Sstevel@tonic-gate "mark - %p)\n", 16177c478bd9Sstevel@tonic-gate f->f_thread, mp); 16187c478bd9Sstevel@tonic-gate f->f_msgflag &= ~OLD_VALID; 16197c478bd9Sstevel@tonic-gate } else { 16207c478bd9Sstevel@tonic-gate DPRINT2(2, "logit(%u): saving " 16217c478bd9Sstevel@tonic-gate "message - %p\n", 16227c478bd9Sstevel@tonic-gate f->f_thread, mp); 16237c478bd9Sstevel@tonic-gate } 16247c478bd9Sstevel@tonic-gate f->f_stat.total++; 16257c478bd9Sstevel@tonic-gate } else { /* new message */ 16267c478bd9Sstevel@tonic-gate DPRINT2(2, "logit(%u): msg is new " 16277c478bd9Sstevel@tonic-gate "- %p\n", f->f_thread, mp); 16287c478bd9Sstevel@tonic-gate writemsg(CURRENT, f); 16297c478bd9Sstevel@tonic-gate if (!(mp->flags & NOCOPY)) 16307c478bd9Sstevel@tonic-gate copy_msg(f); 16317c478bd9Sstevel@tonic-gate f->f_stat.total++; 16327c478bd9Sstevel@tonic-gate } 16337c478bd9Sstevel@tonic-gate } 16347c478bd9Sstevel@tonic-gate /* 16357c478bd9Sstevel@tonic-gate * if message refcnt goes to zero after we decrement 16367c478bd9Sstevel@tonic-gate * it here, we are the last consumer of the message, 16377c478bd9Sstevel@tonic-gate * and we should free it. We need to hold the lock 16387c478bd9Sstevel@tonic-gate * between decrementing the count and checking for 16397c478bd9Sstevel@tonic-gate * zero so another thread doesn't beat us to it. 16407c478bd9Sstevel@tonic-gate */ 16417c478bd9Sstevel@tonic-gate out: 16427c478bd9Sstevel@tonic-gate pthread_mutex_lock(&mp->msg_mutex); 16437c478bd9Sstevel@tonic-gate refcnt = --mp->refcnt; 16447c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&mp->msg_mutex); 16457c478bd9Sstevel@tonic-gate if (refcnt == 0) 16467c478bd9Sstevel@tonic-gate free_msg(mp); 16477c478bd9Sstevel@tonic-gate } 16487c478bd9Sstevel@tonic-gate /* register our exit */ 16497c478bd9Sstevel@tonic-gate 16507c478bd9Sstevel@tonic-gate /* 16517c478bd9Sstevel@tonic-gate * Pull out all pending messages, if they exist. 16527c478bd9Sstevel@tonic-gate */ 16537c478bd9Sstevel@tonic-gate 16547c478bd9Sstevel@tonic-gate pthread_mutex_lock(&f->filed_mutex); 16557c478bd9Sstevel@tonic-gate 16567c478bd9Sstevel@tonic-gate while (f->f_queue_count > 0) { 16577c478bd9Sstevel@tonic-gate (void) dataq_dequeue(&f->f_queue, (void **)&mp, 0); 16587c478bd9Sstevel@tonic-gate DPRINT3(5, "logit(%u): logger dequeued msg %p from queue " 16597c478bd9Sstevel@tonic-gate "%p\n", 16607c478bd9Sstevel@tonic-gate f->f_thread, mp, &f->f_queue); 16617c478bd9Sstevel@tonic-gate pthread_mutex_lock(&mp->msg_mutex); 16627c478bd9Sstevel@tonic-gate refcnt = --mp->refcnt; 16637c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&mp->msg_mutex); 16647c478bd9Sstevel@tonic-gate if (refcnt == 0) 16657c478bd9Sstevel@tonic-gate free_msg(mp); 16667c478bd9Sstevel@tonic-gate f->f_queue_count--; 16677c478bd9Sstevel@tonic-gate } 16687c478bd9Sstevel@tonic-gate 16697c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&f->filed_mutex); 16707c478bd9Sstevel@tonic-gate 16717c478bd9Sstevel@tonic-gate if (f->f_type != F_USERS && f->f_type != F_WALL && 16727c478bd9Sstevel@tonic-gate f->f_type != F_UNUSED) { 16737c478bd9Sstevel@tonic-gate if (f->f_type == F_FORW) 16747c478bd9Sstevel@tonic-gate (void) t_close(f->f_file); 16757c478bd9Sstevel@tonic-gate else 16767c478bd9Sstevel@tonic-gate (void) close(f->f_file); 16777c478bd9Sstevel@tonic-gate } 16787c478bd9Sstevel@tonic-gate 16797c478bd9Sstevel@tonic-gate /* 16807c478bd9Sstevel@tonic-gate * Since f_type may have been changed before this point, we need 16817c478bd9Sstevel@tonic-gate * to test orig_type. 16827c478bd9Sstevel@tonic-gate */ 16837c478bd9Sstevel@tonic-gate if (f->f_orig_type == F_FORW) { 16847c478bd9Sstevel@tonic-gate free(f->f_un.f_forw.f_addr.buf); 16857c478bd9Sstevel@tonic-gate } 16867c478bd9Sstevel@tonic-gate 16877c478bd9Sstevel@tonic-gate f->f_type = F_UNUSED; 16887c478bd9Sstevel@tonic-gate pthread_mutex_lock(&cft); 16897c478bd9Sstevel@tonic-gate --conf_threads; 16907c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&cft); 16917c478bd9Sstevel@tonic-gate DPRINT1(5, "logit(%u): logging thread exited\n", f->f_thread); 16927c478bd9Sstevel@tonic-gate return (NULL); 16937c478bd9Sstevel@tonic-gate } 16947c478bd9Sstevel@tonic-gate 16957c478bd9Sstevel@tonic-gate /* 16967c478bd9Sstevel@tonic-gate * change the previous message to a flush message, stating how 16977c478bd9Sstevel@tonic-gate * many repeats occurred since the last flush 16987c478bd9Sstevel@tonic-gate */ 16997c478bd9Sstevel@tonic-gate static void 17007c478bd9Sstevel@tonic-gate set_flush_msg(struct filed *f) 17017c478bd9Sstevel@tonic-gate { 17027c478bd9Sstevel@tonic-gate char tbuf[10]; 17037c478bd9Sstevel@tonic-gate int prevofst = (f->f_prevmsg.flags & ADDDATE) ? 0 : 16; 17047c478bd9Sstevel@tonic-gate 17057c478bd9Sstevel@tonic-gate if (f->f_prevcount == 1) 17067c478bd9Sstevel@tonic-gate (void) strncpy(tbuf, "time", sizeof (tbuf)); 17077c478bd9Sstevel@tonic-gate else 17087c478bd9Sstevel@tonic-gate (void) strncpy(tbuf, "times", sizeof (tbuf)); 17097c478bd9Sstevel@tonic-gate 17107c478bd9Sstevel@tonic-gate (void) sprintf(f->f_prevmsg.msg+prevofst, 17117c478bd9Sstevel@tonic-gate "last message repeated %d %s", f->f_prevcount, tbuf); 17127c478bd9Sstevel@tonic-gate f->f_prevcount = 0; 17137c478bd9Sstevel@tonic-gate f->f_msgflag |= OLD_VALID; 17147c478bd9Sstevel@tonic-gate } 17157c478bd9Sstevel@tonic-gate 17167c478bd9Sstevel@tonic-gate 17177c478bd9Sstevel@tonic-gate /* 17187c478bd9Sstevel@tonic-gate * the actual writing of the message is broken into a separate function 17197c478bd9Sstevel@tonic-gate * because each file has a current and saved message associated with 17207c478bd9Sstevel@tonic-gate * it (for duplicate message detection). It is necessary to be able 17217c478bd9Sstevel@tonic-gate * to write either the saved message or the current message. 17227c478bd9Sstevel@tonic-gate */ 17237c478bd9Sstevel@tonic-gate static void 17247c478bd9Sstevel@tonic-gate writemsg(int selection, struct filed *f) 17257c478bd9Sstevel@tonic-gate { 17267c478bd9Sstevel@tonic-gate char *cp, *p; 17277c478bd9Sstevel@tonic-gate int pri; 17287c478bd9Sstevel@tonic-gate int flags; 17297c478bd9Sstevel@tonic-gate int l; 17307c478bd9Sstevel@tonic-gate time_t ts; 17317c478bd9Sstevel@tonic-gate struct t_unitdata ud; 17327c478bd9Sstevel@tonic-gate char *eomp, *eomp2, *from, *text, *msg; 17337c478bd9Sstevel@tonic-gate char line[MAXLINE*2]; 17347c478bd9Sstevel@tonic-gate char head[MAXLINE+1]; 17357c478bd9Sstevel@tonic-gate char tmpbuf[MAXLINE+1]; 17367c478bd9Sstevel@tonic-gate char cbuf[30]; 17377c478bd9Sstevel@tonic-gate char *filtered; 17387c478bd9Sstevel@tonic-gate char *msgid_start, *msgid_end; 17397c478bd9Sstevel@tonic-gate pthread_t mythreadno; 17407c478bd9Sstevel@tonic-gate size_t hlen, filter_len; 17417c478bd9Sstevel@tonic-gate 17427c478bd9Sstevel@tonic-gate if (Debug) { 17437c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 17447c478bd9Sstevel@tonic-gate } 17457c478bd9Sstevel@tonic-gate 17467c478bd9Sstevel@tonic-gate switch (selection) { 17477c478bd9Sstevel@tonic-gate default: 17487c478bd9Sstevel@tonic-gate case CURRENT: /* print current message */ 17497c478bd9Sstevel@tonic-gate msg = f->f_current.msg; 17507c478bd9Sstevel@tonic-gate from = f->f_current.host; 17517c478bd9Sstevel@tonic-gate pri = f->f_current.pri; 17527c478bd9Sstevel@tonic-gate flags = f->f_current.flags; 17537c478bd9Sstevel@tonic-gate ts = f->f_current.time; 17547c478bd9Sstevel@tonic-gate f->f_msgflag &= ~CURRENT_VALID; 17557c478bd9Sstevel@tonic-gate break; 17567c478bd9Sstevel@tonic-gate case SAVED: /* print saved message */ 17577c478bd9Sstevel@tonic-gate msg = f->f_prevmsg.msg; 17587c478bd9Sstevel@tonic-gate from = f->f_prevmsg.host; 17597c478bd9Sstevel@tonic-gate pri = f->f_prevmsg.pri; 17607c478bd9Sstevel@tonic-gate flags = f->f_prevmsg.flags; 17617c478bd9Sstevel@tonic-gate ts = f->f_prevmsg.time; 17627c478bd9Sstevel@tonic-gate f->f_msgflag &= ~OLD_VALID; 17637c478bd9Sstevel@tonic-gate break; 17647c478bd9Sstevel@tonic-gate } 17657c478bd9Sstevel@tonic-gate 17667c478bd9Sstevel@tonic-gate if (msg[0] == '\0') 17677c478bd9Sstevel@tonic-gate return; 17687c478bd9Sstevel@tonic-gate 17697c478bd9Sstevel@tonic-gate cp = line; 17707c478bd9Sstevel@tonic-gate 17717c478bd9Sstevel@tonic-gate if (flags & ADDDATE) 17727c478bd9Sstevel@tonic-gate (void) strncpy(cp, ctime_r(&ts, cbuf) + 4, 15); 17737c478bd9Sstevel@tonic-gate else 17747c478bd9Sstevel@tonic-gate (void) strncpy(cp, msg, 15); 17757c478bd9Sstevel@tonic-gate 17767c478bd9Sstevel@tonic-gate line[15] = '\0'; 17777c478bd9Sstevel@tonic-gate (void) strcat(cp, " "); 17787c478bd9Sstevel@tonic-gate (void) strcat(cp, from); 17797c478bd9Sstevel@tonic-gate (void) strcat(cp, " "); 17807c478bd9Sstevel@tonic-gate text = cp + strlen(cp); 17817c478bd9Sstevel@tonic-gate 17827c478bd9Sstevel@tonic-gate if (flags & ADDDATE) 17837c478bd9Sstevel@tonic-gate (void) strcat(cp, msg); 17847c478bd9Sstevel@tonic-gate else 17857c478bd9Sstevel@tonic-gate (void) strcat(cp, msg+16); 17867c478bd9Sstevel@tonic-gate DPRINT2(5, "writemsg(%u): text = \"%s\"\n", mythreadno, text); 17877c478bd9Sstevel@tonic-gate 17887c478bd9Sstevel@tonic-gate errno = 0; 17897c478bd9Sstevel@tonic-gate t_errno = 0; 17907c478bd9Sstevel@tonic-gate switch (f->f_type) { 17917c478bd9Sstevel@tonic-gate case F_UNUSED: 17927c478bd9Sstevel@tonic-gate DPRINT1(1, "writemsg(%u): UNUSED\n", mythreadno); 17937c478bd9Sstevel@tonic-gate break; 17947c478bd9Sstevel@tonic-gate case F_FORW: 17957c478bd9Sstevel@tonic-gate DPRINT4(1, "writemsg(%u): Logging msg '%s' to %s %s\n", 17967c478bd9Sstevel@tonic-gate mythreadno, msg, TypeNames[f->f_type], 17977c478bd9Sstevel@tonic-gate f->f_un.f_forw.f_hname); 17987c478bd9Sstevel@tonic-gate 17997c478bd9Sstevel@tonic-gate hlen = snprintf(head, sizeof (head), 18007c478bd9Sstevel@tonic-gate "<%d>%.15s ", pri, cp); 18017c478bd9Sstevel@tonic-gate 18027c478bd9Sstevel@tonic-gate DPRINT2(5, "writemsg(%u): head = \"%s\"\n", mythreadno, head); 18037c478bd9Sstevel@tonic-gate DPRINT2(5, "writemsg(%u): hlen = %d\n", mythreadno, hlen); 18047c478bd9Sstevel@tonic-gate 18057c478bd9Sstevel@tonic-gate l = strlen(text); 18067c478bd9Sstevel@tonic-gate p = text; 18077c478bd9Sstevel@tonic-gate 18087c478bd9Sstevel@tonic-gate DPRINT2(5, "writemsg(%u): text = \"%s\"\n", mythreadno, text); 18097c478bd9Sstevel@tonic-gate DPRINT2(5, "writemsg(%u): strlen(text) = %d\n", mythreadno, l); 18107c478bd9Sstevel@tonic-gate 18117c478bd9Sstevel@tonic-gate (void) strncpy(tmpbuf, head, hlen); 18127c478bd9Sstevel@tonic-gate 18137c478bd9Sstevel@tonic-gate while (l > 0) { 18147c478bd9Sstevel@tonic-gate size_t len; 18157c478bd9Sstevel@tonic-gate 18167c478bd9Sstevel@tonic-gate len = copy_frwd(tmpbuf + hlen, sizeof (tmpbuf) - hlen, 18177c478bd9Sstevel@tonic-gate p, l); 18187c478bd9Sstevel@tonic-gate 18197c478bd9Sstevel@tonic-gate DPRINT2(5, "writemsg(%u): tmpbuf = \"%s\"\n", 18207c478bd9Sstevel@tonic-gate mythreadno, tmpbuf); 18217c478bd9Sstevel@tonic-gate DPRINT2(5, "writemsg(%u): len = %d\n", mythreadno, 18227c478bd9Sstevel@tonic-gate len); 18237c478bd9Sstevel@tonic-gate DPRINT2(5, "writemsg(%u): strlen(tmpbuf) = %d\n", 18247c478bd9Sstevel@tonic-gate mythreadno, strlen(tmpbuf)); 18257c478bd9Sstevel@tonic-gate 18267c478bd9Sstevel@tonic-gate ud.opt.buf = NULL; 18277c478bd9Sstevel@tonic-gate ud.opt.len = 0; 18287c478bd9Sstevel@tonic-gate ud.udata.buf = tmpbuf; 18297c478bd9Sstevel@tonic-gate ud.udata.len = len + hlen; 18307c478bd9Sstevel@tonic-gate ud.addr.maxlen = f->f_un.f_forw.f_addr.maxlen; 18317c478bd9Sstevel@tonic-gate ud.addr.buf = f->f_un.f_forw.f_addr.buf; 18327c478bd9Sstevel@tonic-gate ud.addr.len = f->f_un.f_forw.f_addr.len; 18337c478bd9Sstevel@tonic-gate if (t_sndudata(f->f_file, &ud) < 0) { 18347c478bd9Sstevel@tonic-gate if ((hup_state & HUP_INPROGRESS) && 18357c478bd9Sstevel@tonic-gate f->f_type == F_UNUSED) { 18367c478bd9Sstevel@tonic-gate break; 18377c478bd9Sstevel@tonic-gate } 18387c478bd9Sstevel@tonic-gate (void) t_close(f->f_file); 18397c478bd9Sstevel@tonic-gate f->f_type = F_UNUSED; 18407c478bd9Sstevel@tonic-gate logerror("t_sndudata"); 18417c478bd9Sstevel@tonic-gate 18427c478bd9Sstevel@tonic-gate /* 18437c478bd9Sstevel@tonic-gate * Since it has already failed, it's not worth 18447c478bd9Sstevel@tonic-gate * continuing output from the middle of 18457c478bd9Sstevel@tonic-gate * message string. 18467c478bd9Sstevel@tonic-gate */ 18477c478bd9Sstevel@tonic-gate break; 18487c478bd9Sstevel@tonic-gate } 18497c478bd9Sstevel@tonic-gate p += len; 18507c478bd9Sstevel@tonic-gate l -= len; 18517c478bd9Sstevel@tonic-gate } 18527c478bd9Sstevel@tonic-gate break; 18537c478bd9Sstevel@tonic-gate case F_CONSOLE: 18547c478bd9Sstevel@tonic-gate case F_TTY: 18557c478bd9Sstevel@tonic-gate case F_FILE: 18567c478bd9Sstevel@tonic-gate case F_USERS: 18577c478bd9Sstevel@tonic-gate case F_WALL: 18587c478bd9Sstevel@tonic-gate DPRINT4(1, "writemsg(%u): Logging msg '%s' to %s %s\n", 18597c478bd9Sstevel@tonic-gate mythreadno, msg, TypeNames[f->f_type], 18607c478bd9Sstevel@tonic-gate ((f->f_type == F_USERS) || (f->f_type == F_WALL)) ? 18617c478bd9Sstevel@tonic-gate "" : f->f_un.f_fname); 18627c478bd9Sstevel@tonic-gate /* 18637c478bd9Sstevel@tonic-gate * filter the string in preparation for writing it 18647c478bd9Sstevel@tonic-gate * save the original for possible forwarding. 18657c478bd9Sstevel@tonic-gate * In case every byte in cp is a control character, 18667c478bd9Sstevel@tonic-gate * allocates large enough buffer for filtered. 18677c478bd9Sstevel@tonic-gate */ 18687c478bd9Sstevel@tonic-gate 18697c478bd9Sstevel@tonic-gate filter_len = strlen(cp) * 4 + 1; 18707c478bd9Sstevel@tonic-gate filtered = (char *)malloc(filter_len); 18717c478bd9Sstevel@tonic-gate if (!filtered) { 18727c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message"); 18737c478bd9Sstevel@tonic-gate /* seems we can just return */ 18747c478bd9Sstevel@tonic-gate return; 18757c478bd9Sstevel@tonic-gate } 18767c478bd9Sstevel@tonic-gate DPRINT3(5, "writemsg(%u): " 18777c478bd9Sstevel@tonic-gate "filtered allocated (%p: %d bytes)\n", 18787c478bd9Sstevel@tonic-gate mythreadno, filtered, filter_len); 18797c478bd9Sstevel@tonic-gate /* -3 : we may add "\r\n" to ecomp(filtered) later */ 18807c478bd9Sstevel@tonic-gate filter_string(cp, filtered, filter_len - 3); 18817c478bd9Sstevel@tonic-gate 18827c478bd9Sstevel@tonic-gate DPRINT2(5, "writemsg(%u): strlen(filtered) = %d\n", 18837c478bd9Sstevel@tonic-gate mythreadno, strlen(filtered)); 18847c478bd9Sstevel@tonic-gate /* 18857c478bd9Sstevel@tonic-gate * If we're writing to the console, strip out the message ID 18867c478bd9Sstevel@tonic-gate * to reduce visual clutter. 18877c478bd9Sstevel@tonic-gate */ 18887c478bd9Sstevel@tonic-gate if ((msgid_start = strstr(filtered, "[ID ")) != NULL && 18897c478bd9Sstevel@tonic-gate (msgid_end = strstr(msgid_start, "] ")) != NULL && 18907c478bd9Sstevel@tonic-gate f->f_type == F_CONSOLE) 18917c478bd9Sstevel@tonic-gate (void) strcpy(msgid_start, msgid_end + 2); 18927c478bd9Sstevel@tonic-gate 18937c478bd9Sstevel@tonic-gate eomp = filtered + strlen(filtered); 18947c478bd9Sstevel@tonic-gate 18957c478bd9Sstevel@tonic-gate if ((f->f_type == F_USERS) || (f->f_type == F_WALL)) { 18967c478bd9Sstevel@tonic-gate /* CSTYLED */ 18977c478bd9Sstevel@tonic-gate (void) strcat(eomp, "\r\n"); /*lint !e669*/ 18987c478bd9Sstevel@tonic-gate /* 18997c478bd9Sstevel@tonic-gate * Since wallmsg messes with utmpx we need 19007c478bd9Sstevel@tonic-gate * to guarantee single threadedness... 19017c478bd9Sstevel@tonic-gate */ 19027c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&wmp); 19037c478bd9Sstevel@tonic-gate wallmsg(f, from, filtered); 19047c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&wmp); 19057c478bd9Sstevel@tonic-gate 19067c478bd9Sstevel@tonic-gate /* 19077c478bd9Sstevel@tonic-gate * The contents of filtered have been copied 19087c478bd9Sstevel@tonic-gate * out to the struct walldev. We should free it here. 19097c478bd9Sstevel@tonic-gate */ 19107c478bd9Sstevel@tonic-gate 19117c478bd9Sstevel@tonic-gate free(filtered); 19127c478bd9Sstevel@tonic-gate 19137c478bd9Sstevel@tonic-gate /* exiting the switch */ 19147c478bd9Sstevel@tonic-gate break; 19157c478bd9Sstevel@tonic-gate } else if (f->f_type != F_FILE) { 19167c478bd9Sstevel@tonic-gate /* CSTYLED */ 19177c478bd9Sstevel@tonic-gate (void) strncpy(eomp, "\r\n", 3); /*lint !e669*/ 19187c478bd9Sstevel@tonic-gate } else { 19197c478bd9Sstevel@tonic-gate if ((eomp2 = strchr(filtered, '\r')) != NULL) { 19207c478bd9Sstevel@tonic-gate (void) strncpy(eomp2, "\n", 2); 19217c478bd9Sstevel@tonic-gate } else { 19227c478bd9Sstevel@tonic-gate /* CSTYLED */ 19237c478bd9Sstevel@tonic-gate (void) strncpy(eomp, "\n", 2); /*lint !e669*/ 19247c478bd9Sstevel@tonic-gate } 19257c478bd9Sstevel@tonic-gate } 19267c478bd9Sstevel@tonic-gate if (write(f->f_file, filtered, strlen(filtered)) < 0) { 19277c478bd9Sstevel@tonic-gate int e = errno; 19287c478bd9Sstevel@tonic-gate 19297c478bd9Sstevel@tonic-gate if ((hup_state & HUP_INPROGRESS) && 19307c478bd9Sstevel@tonic-gate f->f_type == F_UNUSED) { 19317c478bd9Sstevel@tonic-gate free(filtered); 19327c478bd9Sstevel@tonic-gate break; 19337c478bd9Sstevel@tonic-gate } 19347c478bd9Sstevel@tonic-gate (void) close(f->f_file); 19357c478bd9Sstevel@tonic-gate /* 19367c478bd9Sstevel@tonic-gate * Check for EBADF on TTY's due 19377c478bd9Sstevel@tonic-gate * to vhangup() XXX 19387c478bd9Sstevel@tonic-gate */ 19397c478bd9Sstevel@tonic-gate if (e == EBADF && f->f_type != F_FILE) { 19407c478bd9Sstevel@tonic-gate f->f_file = open(f->f_un.f_fname, 19417c478bd9Sstevel@tonic-gate O_WRONLY|O_APPEND|O_NOCTTY); 19427c478bd9Sstevel@tonic-gate if (f->f_file < 0) { 19437c478bd9Sstevel@tonic-gate f->f_type = F_UNUSED; 19447c478bd9Sstevel@tonic-gate logerror(f->f_un.f_fname); 19457c478bd9Sstevel@tonic-gate f->f_stat.errs++; 19467c478bd9Sstevel@tonic-gate } 19477c478bd9Sstevel@tonic-gate untty(); 19487c478bd9Sstevel@tonic-gate } else { 19497c478bd9Sstevel@tonic-gate f->f_type = F_UNUSED; 19507c478bd9Sstevel@tonic-gate f->f_stat.errs++; 19517c478bd9Sstevel@tonic-gate errno = e; 19527c478bd9Sstevel@tonic-gate logerror(f->f_un.f_fname); 19537c478bd9Sstevel@tonic-gate } 19547c478bd9Sstevel@tonic-gate } else if (flags & SYNC_FILE) 19557c478bd9Sstevel@tonic-gate if (((pri & LOG_FACMASK) >> 3) == LOG_KERN) 19567c478bd9Sstevel@tonic-gate (void) fsync(f->f_file); 19577c478bd9Sstevel@tonic-gate 19587c478bd9Sstevel@tonic-gate DPRINT2(5, "writemsg(%u): freeing filtered (%p)\n", 19597c478bd9Sstevel@tonic-gate mythreadno, filtered); 19607c478bd9Sstevel@tonic-gate 19617c478bd9Sstevel@tonic-gate free(filtered); 19627c478bd9Sstevel@tonic-gate break; 19637c478bd9Sstevel@tonic-gate } 19647c478bd9Sstevel@tonic-gate } 19657c478bd9Sstevel@tonic-gate 19667c478bd9Sstevel@tonic-gate /* 19677c478bd9Sstevel@tonic-gate * WALLMSG -- Write a message to the world at large 19687c478bd9Sstevel@tonic-gate * 19697c478bd9Sstevel@tonic-gate * Write the specified message to either the entire 19707c478bd9Sstevel@tonic-gate * world, or a list of approved users. 19717c478bd9Sstevel@tonic-gate */ 19727c478bd9Sstevel@tonic-gate static void 19737c478bd9Sstevel@tonic-gate wallmsg(struct filed *f, char *from, char *msg) 19747c478bd9Sstevel@tonic-gate { 19757c478bd9Sstevel@tonic-gate int i; 19767c478bd9Sstevel@tonic-gate size_t len, clen; 19777c478bd9Sstevel@tonic-gate char *buf = NULL; 19787c478bd9Sstevel@tonic-gate struct utmpx *utxp; 19797c478bd9Sstevel@tonic-gate time_t now; 19807c478bd9Sstevel@tonic-gate char line[512], dev[100]; 19817c478bd9Sstevel@tonic-gate char cp[MAXLINE+1]; 19827c478bd9Sstevel@tonic-gate struct stat statbuf; 19837c478bd9Sstevel@tonic-gate walldev_t *w; 19847c478bd9Sstevel@tonic-gate char cbuf[30]; 19857c478bd9Sstevel@tonic-gate pthread_t mythreadno; 19867c478bd9Sstevel@tonic-gate 19877c478bd9Sstevel@tonic-gate if (Debug) { 19887c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 19897c478bd9Sstevel@tonic-gate } 19907c478bd9Sstevel@tonic-gate 19917c478bd9Sstevel@tonic-gate if (access(UTMPX_FILE, R_OK) != 0 || stat(UTMPX_FILE, &statbuf) != 0) { 19927c478bd9Sstevel@tonic-gate logerror(UTMPX_FILE); 19937c478bd9Sstevel@tonic-gate return; 19947c478bd9Sstevel@tonic-gate } else if (statbuf.st_uid != 0 || (statbuf.st_mode & 07777) != 0644) { 19957c478bd9Sstevel@tonic-gate (void) sprintf(line, "%s %s", UTMPX_FILE, 19967c478bd9Sstevel@tonic-gate "not owned by root or not mode 644.\n" 19977c478bd9Sstevel@tonic-gate "This file must be owned by root " 19987c478bd9Sstevel@tonic-gate "and not writable by\n" 19997c478bd9Sstevel@tonic-gate "anyone other than root. This alert is being " 20007c478bd9Sstevel@tonic-gate "dropped because of\n" 20017c478bd9Sstevel@tonic-gate "this problem."); 20027c478bd9Sstevel@tonic-gate logerror(line); 20037c478bd9Sstevel@tonic-gate return; 20047c478bd9Sstevel@tonic-gate } 20057c478bd9Sstevel@tonic-gate 20067c478bd9Sstevel@tonic-gate if (f->f_type == F_WALL) { 20077c478bd9Sstevel@tonic-gate (void) time(&now); 20087c478bd9Sstevel@tonic-gate len = snprintf(line, sizeof (line), 20097c478bd9Sstevel@tonic-gate "\r\n\7Message from syslogd@%s " 20107c478bd9Sstevel@tonic-gate "at %.24s ...\r\n", from, ctime_r(&now, cbuf)); 20117c478bd9Sstevel@tonic-gate len += strlen(msg + 16); 20127c478bd9Sstevel@tonic-gate buf = (char *)malloc(len + 1); 20137c478bd9Sstevel@tonic-gate if (!buf) { 20147c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message"); 20157c478bd9Sstevel@tonic-gate return; 20167c478bd9Sstevel@tonic-gate } 20177c478bd9Sstevel@tonic-gate DPRINT3(5, "wallmsg(%u): buf allocated (%p: %d bytes)\n", 20187c478bd9Sstevel@tonic-gate mythreadno, buf, len + 1); 20197c478bd9Sstevel@tonic-gate (void) strcpy(buf, line); 20207c478bd9Sstevel@tonic-gate (void) strcat(buf, msg + 16); 20217c478bd9Sstevel@tonic-gate clen = copy_frwd(cp, sizeof (cp), buf, len); 20227c478bd9Sstevel@tonic-gate DPRINT2(5, "wallmsg(%u): clen = %d\n", 20237c478bd9Sstevel@tonic-gate mythreadno, clen); 20247c478bd9Sstevel@tonic-gate DPRINT2(5, "wallmsg(%u): freeing buf (%p)\n", 20257c478bd9Sstevel@tonic-gate mythreadno, buf); 20267c478bd9Sstevel@tonic-gate free(buf); 20277c478bd9Sstevel@tonic-gate } else { 20287c478bd9Sstevel@tonic-gate clen = copy_frwd(cp, sizeof (cp), msg, strlen(msg)); 20297c478bd9Sstevel@tonic-gate DPRINT2(5, "wallmsg(%u): clen = %d\n", 20307c478bd9Sstevel@tonic-gate mythreadno, clen); 20317c478bd9Sstevel@tonic-gate } 20327c478bd9Sstevel@tonic-gate /* scan the user login file */ 20337c478bd9Sstevel@tonic-gate setutxent(); 20347c478bd9Sstevel@tonic-gate while ((utxp = getutxent()) != NULL) { 20357c478bd9Sstevel@tonic-gate /* is this slot used? */ 20367c478bd9Sstevel@tonic-gate if (utxp->ut_name[0] == '\0' || 20377c478bd9Sstevel@tonic-gate utxp->ut_line[0] == '\0' || 20387c478bd9Sstevel@tonic-gate utxp->ut_type != USER_PROCESS) 20397c478bd9Sstevel@tonic-gate continue; 20407c478bd9Sstevel@tonic-gate /* should we send the message to this user? */ 20417c478bd9Sstevel@tonic-gate if (f->f_type == F_USERS) { 20427c478bd9Sstevel@tonic-gate for (i = 0; i < MAXUNAMES; i++) { 20437c478bd9Sstevel@tonic-gate if (!f->f_un.f_uname[i][0]) { 20447c478bd9Sstevel@tonic-gate i = MAXUNAMES; 20457c478bd9Sstevel@tonic-gate break; 20467c478bd9Sstevel@tonic-gate } 20477c478bd9Sstevel@tonic-gate if (strncmp(f->f_un.f_uname[i], 20487c478bd9Sstevel@tonic-gate utxp->ut_name, UNAMESZ) == 0) 20497c478bd9Sstevel@tonic-gate break; 20507c478bd9Sstevel@tonic-gate } 20517c478bd9Sstevel@tonic-gate if (i >= MAXUNAMES) 20527c478bd9Sstevel@tonic-gate continue; 20537c478bd9Sstevel@tonic-gate } 20547c478bd9Sstevel@tonic-gate 20557c478bd9Sstevel@tonic-gate /* compute the device name */ 20567c478bd9Sstevel@tonic-gate if (utxp->ut_line[0] == '/') { 20577c478bd9Sstevel@tonic-gate (void) strncpy(dev, utxp->ut_line, UDEVSZ); 20587c478bd9Sstevel@tonic-gate } else { 20597c478bd9Sstevel@tonic-gate (void) strcpy(dev, "/dev/"); 20607c478bd9Sstevel@tonic-gate (void) strncat(dev, utxp->ut_line, UDEVSZ); 20617c478bd9Sstevel@tonic-gate } 20627c478bd9Sstevel@tonic-gate DPRINT2(1, "wallmsg(%u): write to '%s'\n", mythreadno, 20637c478bd9Sstevel@tonic-gate dev); 20647c478bd9Sstevel@tonic-gate 20657c478bd9Sstevel@tonic-gate if ((w = malloc(sizeof (walldev_t))) != NULL) { 20667c478bd9Sstevel@tonic-gate int rc; 20677c478bd9Sstevel@tonic-gate (void) pthread_attr_init(&w->thread_attr); 20687c478bd9Sstevel@tonic-gate (void) pthread_attr_setdetachstate(&w->thread_attr, 20697c478bd9Sstevel@tonic-gate PTHREAD_CREATE_DETACHED); 20707c478bd9Sstevel@tonic-gate (void) strncpy(w->dev, dev, PATH_MAX); 20717c478bd9Sstevel@tonic-gate (void) strncpy(w->msg, cp, MAXLINE+1); 20727c478bd9Sstevel@tonic-gate (void) strncpy(w->ut_name, utxp->ut_name, 20737c478bd9Sstevel@tonic-gate sizeof (w->ut_name)); 20747c478bd9Sstevel@tonic-gate 20757c478bd9Sstevel@tonic-gate if ((rc = pthread_create(&w->thread, &w->thread_attr, 20767c478bd9Sstevel@tonic-gate writetodev, (void *) w)) != 0) { 20777c478bd9Sstevel@tonic-gate DPRINT2(5, "wallmsg(%u): wallmsg thread " 20787c478bd9Sstevel@tonic-gate "create failed rc = %d\n", 20797c478bd9Sstevel@tonic-gate mythreadno, rc); 20807c478bd9Sstevel@tonic-gate free(w); 20817c478bd9Sstevel@tonic-gate break; 20827c478bd9Sstevel@tonic-gate } 20837c478bd9Sstevel@tonic-gate } else { 20847c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message to user"); 20857c478bd9Sstevel@tonic-gate } 20867c478bd9Sstevel@tonic-gate } 20877c478bd9Sstevel@tonic-gate /* close the user login file */ 20887c478bd9Sstevel@tonic-gate endutxent(); 20897c478bd9Sstevel@tonic-gate } 20907c478bd9Sstevel@tonic-gate 20917c478bd9Sstevel@tonic-gate /* 20927c478bd9Sstevel@tonic-gate * Each time we need to write to a tty device (a potentially expensive 20937c478bd9Sstevel@tonic-gate * or long-running operation) this routine gets called as a new 20947c478bd9Sstevel@tonic-gate * detached, unbound thread. This allows writes to many devices 20957c478bd9Sstevel@tonic-gate * to proceed nearly in parallel, without having to resort to 20967c478bd9Sstevel@tonic-gate * asynchronous I/O or forking. 20977c478bd9Sstevel@tonic-gate */ 20987c478bd9Sstevel@tonic-gate static void * 20997c478bd9Sstevel@tonic-gate writetodev(void *ap) 21007c478bd9Sstevel@tonic-gate { 21017c478bd9Sstevel@tonic-gate walldev_t *w = ap; 21027c478bd9Sstevel@tonic-gate int ttyf; 21037c478bd9Sstevel@tonic-gate int len; 21047c478bd9Sstevel@tonic-gate struct stat statb; 21057c478bd9Sstevel@tonic-gate struct passwd pw, *pwp; 21067c478bd9Sstevel@tonic-gate char pwbuf[MAXLINE]; 21077c478bd9Sstevel@tonic-gate pthread_t mythreadno; 21087c478bd9Sstevel@tonic-gate 21097c478bd9Sstevel@tonic-gate if (Debug) { 21107c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 21117c478bd9Sstevel@tonic-gate } 21127c478bd9Sstevel@tonic-gate 21137c478bd9Sstevel@tonic-gate DPRINT1(1, "writetodev(%u): Device writer thread started\n", 21147c478bd9Sstevel@tonic-gate mythreadno); 21157c478bd9Sstevel@tonic-gate 21167c478bd9Sstevel@tonic-gate len = strlen(w->msg); 21177c478bd9Sstevel@tonic-gate 21187c478bd9Sstevel@tonic-gate ttyf = open(w->dev, O_WRONLY|O_NOCTTY|O_NDELAY); 21197c478bd9Sstevel@tonic-gate if (ttyf >= 0) { 21207c478bd9Sstevel@tonic-gate if (fstat(ttyf, &statb) != 0) { 21217c478bd9Sstevel@tonic-gate DPRINT2(1, "writetodev(%u): Can't stat '%s'\n", 21227c478bd9Sstevel@tonic-gate mythreadno, w->dev); 21237c478bd9Sstevel@tonic-gate errno = 0; 21247c478bd9Sstevel@tonic-gate logerror("Can't stat '%s'", w->dev); 21257c478bd9Sstevel@tonic-gate } else if (!(statb.st_mode & S_IWRITE)) { 21267c478bd9Sstevel@tonic-gate DPRINT2(1, "writetodev(%u): Can't write to " 21277c478bd9Sstevel@tonic-gate "'%s'\n", mythreadno, w->dev); 21287c478bd9Sstevel@tonic-gate } else if (!isatty(ttyf)) { 21297c478bd9Sstevel@tonic-gate DPRINT2(1, "writetodev(%u): '%s' not a tty\n", 21307c478bd9Sstevel@tonic-gate mythreadno, w->dev); 21317c478bd9Sstevel@tonic-gate /* 21327c478bd9Sstevel@tonic-gate * We might hit dtremote here. Don't generate 21337c478bd9Sstevel@tonic-gate * error message. 21347c478bd9Sstevel@tonic-gate */ 21357c478bd9Sstevel@tonic-gate } else if (getpwuid_r(statb.st_uid, &pw, pwbuf, 21367c478bd9Sstevel@tonic-gate sizeof (pwbuf), &pwp) != 0) { 21377c478bd9Sstevel@tonic-gate DPRINT2(1, "writetodev(%u): Can't determine owner " 21387c478bd9Sstevel@tonic-gate "of '%s'\n", mythreadno, w->dev); 21397c478bd9Sstevel@tonic-gate errno = 0; 21407c478bd9Sstevel@tonic-gate logerror("Can't determine owner of '%s'", w->dev); 21417c478bd9Sstevel@tonic-gate } else if (strncmp(pw.pw_name, w->ut_name, UNAMESZ) != 0) { 21427c478bd9Sstevel@tonic-gate DPRINT2(1, "writetodev(%u): Bad terminal owner '%s'" 21437c478bd9Sstevel@tonic-gate "\n", mythreadno, w->dev); 21447c478bd9Sstevel@tonic-gate errno = 0; 21457c478bd9Sstevel@tonic-gate logerror("%s %s owns '%s' %s %.*s", 21467c478bd9Sstevel@tonic-gate "Bad terminal owner;", pw.pw_name, w->dev, 21477c478bd9Sstevel@tonic-gate "but utmpx says", UNAMESZ, w->ut_name); 21487c478bd9Sstevel@tonic-gate } else if (write(ttyf, w->msg, len) != len) { 21497c478bd9Sstevel@tonic-gate DPRINT2(1, "writetodev(%u): Write failed to " 21507c478bd9Sstevel@tonic-gate "'%s'\n", mythreadno, w->dev); 21517c478bd9Sstevel@tonic-gate errno = 0; 21527c478bd9Sstevel@tonic-gate logerror("Write failed to '%s'", w->dev); 21537c478bd9Sstevel@tonic-gate } 21547c478bd9Sstevel@tonic-gate 21557c478bd9Sstevel@tonic-gate DPRINT2(1, "writetodev(%u): write to '%s' succeeded\n", 21567c478bd9Sstevel@tonic-gate mythreadno, w->dev); 21577c478bd9Sstevel@tonic-gate 21587c478bd9Sstevel@tonic-gate (void) close(ttyf); 21597c478bd9Sstevel@tonic-gate } else { 21607c478bd9Sstevel@tonic-gate DPRINT2(1, "writetodev(%u): Can't open '%s'\n", 21617c478bd9Sstevel@tonic-gate mythreadno, w->dev); 21627c478bd9Sstevel@tonic-gate } 21637c478bd9Sstevel@tonic-gate 21647c478bd9Sstevel@tonic-gate pthread_attr_destroy(&w->thread_attr); 21657c478bd9Sstevel@tonic-gate free(w); 21667c478bd9Sstevel@tonic-gate 21677c478bd9Sstevel@tonic-gate DPRINT1(1, "writetodev(%u): Device writer thread exiting\n", 21687c478bd9Sstevel@tonic-gate mythreadno); 21697c478bd9Sstevel@tonic-gate 21707c478bd9Sstevel@tonic-gate pthread_exit(0); 21717c478bd9Sstevel@tonic-gate return (NULL); 21727c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 21737c478bd9Sstevel@tonic-gate } 21747c478bd9Sstevel@tonic-gate 21757c478bd9Sstevel@tonic-gate /* 21767c478bd9Sstevel@tonic-gate * Return a printable representation of a host address. If unable to 21777c478bd9Sstevel@tonic-gate * look up hostname, format the numeric address for display instead. 21787c478bd9Sstevel@tonic-gate * 21797c478bd9Sstevel@tonic-gate * First calls hnc_lookup to see if there is valid cache entry for 21807c478bd9Sstevel@tonic-gate * given network address. If it failed, cvthname looks up hostname, 21817c478bd9Sstevel@tonic-gate * and push the results into the hostname cache. 21827c478bd9Sstevel@tonic-gate */ 21837c478bd9Sstevel@tonic-gate static host_list_t * 21847c478bd9Sstevel@tonic-gate cvthname(struct netbuf *nbp, struct netconfig *ncp, char *failsafe_addr) 21857c478bd9Sstevel@tonic-gate { 21867c478bd9Sstevel@tonic-gate int i; 21877c478bd9Sstevel@tonic-gate host_list_t *h; 21887c478bd9Sstevel@tonic-gate struct nd_hostservlist *hsp; 21897c478bd9Sstevel@tonic-gate struct nd_hostserv *hspp; 21907c478bd9Sstevel@tonic-gate pthread_t mythreadno; 2191293d1fc4Spd155743 int hindex; 21927c478bd9Sstevel@tonic-gate char *uap; 21937c478bd9Sstevel@tonic-gate 21947c478bd9Sstevel@tonic-gate if (Debug) { 21957c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 21967c478bd9Sstevel@tonic-gate } 21977c478bd9Sstevel@tonic-gate 21987c478bd9Sstevel@tonic-gate if (Debug) 21997c478bd9Sstevel@tonic-gate uap = taddr2uaddr(ncp, nbp); 22007c478bd9Sstevel@tonic-gate 22017c478bd9Sstevel@tonic-gate DPRINT2(2, "cvthname(%u): looking up hostname for %s\n", 22027c478bd9Sstevel@tonic-gate mythreadno, uap ? uap : "<unknown>"); 22037c478bd9Sstevel@tonic-gate 2204293d1fc4Spd155743 if ((h = hnc_lookup(nbp, ncp, &hindex)) != NULL) { 22057c478bd9Sstevel@tonic-gate DPRINT4(2, "cvthname(%u): Cache found %p for %s (%s)\n", 22067c478bd9Sstevel@tonic-gate mythreadno, h, uap ? uap : "<unknown>", 22077c478bd9Sstevel@tonic-gate h->hl_hosts[0]); 22087c478bd9Sstevel@tonic-gate return (h); 22097c478bd9Sstevel@tonic-gate } 22107c478bd9Sstevel@tonic-gate DPRINT2(2, "cvthname(%u): No cache found for %s\n", 22117c478bd9Sstevel@tonic-gate mythreadno, uap ? uap : "<unknown>"); 22127c478bd9Sstevel@tonic-gate 22137c478bd9Sstevel@tonic-gate if (Debug) 22147c478bd9Sstevel@tonic-gate free(uap); 22157c478bd9Sstevel@tonic-gate 22167c478bd9Sstevel@tonic-gate if (ncp->nc_semantics != NC_TPI_CLTS) { 22177c478bd9Sstevel@tonic-gate return (NULL); 22187c478bd9Sstevel@tonic-gate } 22197c478bd9Sstevel@tonic-gate 22207c478bd9Sstevel@tonic-gate /* memory allocation failure here is fatal */ 22217c478bd9Sstevel@tonic-gate if ((h = malloc(sizeof (host_list_t))) == NULL) { 22227c478bd9Sstevel@tonic-gate MALLOC_FAIL("host name conversion"); 22237c478bd9Sstevel@tonic-gate return (NULL); 22247c478bd9Sstevel@tonic-gate } 22257c478bd9Sstevel@tonic-gate 22267c478bd9Sstevel@tonic-gate if (netdir_getbyaddr(ncp, &hsp, nbp) == 0) { 22277c478bd9Sstevel@tonic-gate if (hsp->h_cnt <= 0) { 22287c478bd9Sstevel@tonic-gate out: netdir_free((void *)hsp, ND_HOSTSERVLIST); 22297c478bd9Sstevel@tonic-gate free(h); 22307c478bd9Sstevel@tonic-gate return (NULL); 22317c478bd9Sstevel@tonic-gate } 22327c478bd9Sstevel@tonic-gate 22337c478bd9Sstevel@tonic-gate hspp = hsp->h_hostservs; 22347c478bd9Sstevel@tonic-gate h->hl_cnt = hsp->h_cnt; 22357c478bd9Sstevel@tonic-gate h->hl_hosts = (char **)malloc(sizeof (char *) * (h->hl_cnt)); 22367c478bd9Sstevel@tonic-gate if (h->hl_hosts == NULL) { 22377c478bd9Sstevel@tonic-gate MALLOC_FAIL("host name conversion"); 22387c478bd9Sstevel@tonic-gate goto out; 22397c478bd9Sstevel@tonic-gate } 22407c478bd9Sstevel@tonic-gate 22417c478bd9Sstevel@tonic-gate DPRINT2(2, "cvthname(%u): Found %d hostnames\n", 22427c478bd9Sstevel@tonic-gate mythreadno, h->hl_cnt); 22437c478bd9Sstevel@tonic-gate for (i = 0; i < h->hl_cnt; i++) { 22447c478bd9Sstevel@tonic-gate h->hl_hosts[i] = (char *) 22457c478bd9Sstevel@tonic-gate malloc(sizeof (char) * (strlen(hspp->h_host) + 1)); 22467c478bd9Sstevel@tonic-gate if (h->hl_hosts[i] == NULL) { 22477c478bd9Sstevel@tonic-gate int j; 22487c478bd9Sstevel@tonic-gate for (j = 0; j < i; j++) { 22497c478bd9Sstevel@tonic-gate free(h->hl_hosts[j]); 22507c478bd9Sstevel@tonic-gate } 22517c478bd9Sstevel@tonic-gate free(h->hl_hosts); 22527c478bd9Sstevel@tonic-gate MALLOC_FAIL("host name conversion"); 22537c478bd9Sstevel@tonic-gate goto out; 22547c478bd9Sstevel@tonic-gate } 22557c478bd9Sstevel@tonic-gate (void) strcpy(h->hl_hosts[i], hspp->h_host); 22567c478bd9Sstevel@tonic-gate hspp++; 22577c478bd9Sstevel@tonic-gate } 22587c478bd9Sstevel@tonic-gate netdir_free((void *)hsp, ND_HOSTSERVLIST); 22597c478bd9Sstevel@tonic-gate } else { /* unknown address */ 22607c478bd9Sstevel@tonic-gate h->hl_cnt = 1; 22617c478bd9Sstevel@tonic-gate h->hl_hosts = (char **)malloc(sizeof (char *)); 22627c478bd9Sstevel@tonic-gate if (h->hl_hosts == NULL) { 22637c478bd9Sstevel@tonic-gate free(h); 22647c478bd9Sstevel@tonic-gate MALLOC_FAIL("host name conversion"); 22657c478bd9Sstevel@tonic-gate return (NULL); 22667c478bd9Sstevel@tonic-gate } 22677c478bd9Sstevel@tonic-gate h->hl_hosts[0] = (char *)malloc(strlen(failsafe_addr) + 3); 22687c478bd9Sstevel@tonic-gate if (h->hl_hosts[0] == NULL) { 22697c478bd9Sstevel@tonic-gate free(h->hl_hosts); 22707c478bd9Sstevel@tonic-gate free(h); 22717c478bd9Sstevel@tonic-gate MALLOC_FAIL("host name conversion"); 22727c478bd9Sstevel@tonic-gate return (NULL); 22737c478bd9Sstevel@tonic-gate } 22747c478bd9Sstevel@tonic-gate (void) sprintf(h->hl_hosts[0], "[%s]", failsafe_addr); 22757c478bd9Sstevel@tonic-gate DPRINT2(1, "cvthname(%u): Hostname lookup failed " 22767c478bd9Sstevel@tonic-gate "- using address %s instead\n", 22777c478bd9Sstevel@tonic-gate mythreadno, h->hl_hosts[0]); 22787c478bd9Sstevel@tonic-gate } 22797c478bd9Sstevel@tonic-gate 22807c478bd9Sstevel@tonic-gate h->hl_refcnt = 1; 22817c478bd9Sstevel@tonic-gate if (pthread_mutex_init(&h->hl_mutex, NULL) != 0) { 22827c478bd9Sstevel@tonic-gate logerror("pthread_mutex_init failed"); 22837c478bd9Sstevel@tonic-gate /* This host_list won't be shared by the cache. */ 22847c478bd9Sstevel@tonic-gate return (h); 22857c478bd9Sstevel@tonic-gate } 2286293d1fc4Spd155743 hnc_register(nbp, ncp, h, hindex); 22877c478bd9Sstevel@tonic-gate DPRINT3(2, "cvthname(%u): returning %p for %s\n", 22887c478bd9Sstevel@tonic-gate mythreadno, h, h->hl_hosts[0]); 22897c478bd9Sstevel@tonic-gate return (h); 22907c478bd9Sstevel@tonic-gate } 22917c478bd9Sstevel@tonic-gate 22927c478bd9Sstevel@tonic-gate /* 22937c478bd9Sstevel@tonic-gate * Print syslogd errors some place. Need to be careful here, because 22947c478bd9Sstevel@tonic-gate * this routine is called at times when we're not initialized and 22957c478bd9Sstevel@tonic-gate * ready to log messages...in this case, fall back to using the console. 22967c478bd9Sstevel@tonic-gate */ 22977c478bd9Sstevel@tonic-gate void 22987c478bd9Sstevel@tonic-gate logerror(const char *type, ...) 22997c478bd9Sstevel@tonic-gate { 23007c478bd9Sstevel@tonic-gate char buf[MAXLINE+1]; 23017c478bd9Sstevel@tonic-gate pthread_t mythreadno; 23027c478bd9Sstevel@tonic-gate int flag; 23037c478bd9Sstevel@tonic-gate va_list ap; 23047c478bd9Sstevel@tonic-gate 23057c478bd9Sstevel@tonic-gate if (Debug) { 23067c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 23077c478bd9Sstevel@tonic-gate } 23087c478bd9Sstevel@tonic-gate 23097c478bd9Sstevel@tonic-gate va_start(ap, type); 23107c478bd9Sstevel@tonic-gate logerror_format(type, buf, ap); 23117c478bd9Sstevel@tonic-gate va_end(ap); 23127c478bd9Sstevel@tonic-gate DPRINT2(1, "logerror(%u): %s\n", mythreadno, buf); 23137c478bd9Sstevel@tonic-gate 23147c478bd9Sstevel@tonic-gate pthread_mutex_lock(&logerror_lock); 23157c478bd9Sstevel@tonic-gate if (!interrorlog) { 23167c478bd9Sstevel@tonic-gate flag = 0; 23177c478bd9Sstevel@tonic-gate if (logerror_to_console(1, buf) == 0) { 23187c478bd9Sstevel@tonic-gate /* has written to the console */ 23197c478bd9Sstevel@tonic-gate flag = IGN_CONS; 23207c478bd9Sstevel@tonic-gate } 23217c478bd9Sstevel@tonic-gate (void) logmymsg(LOG_SYSLOG|LOG_ERR, buf, ADDDATE|flag, 1); 23227c478bd9Sstevel@tonic-gate } else { 23237c478bd9Sstevel@tonic-gate if (logmymsg(LOG_SYSLOG|LOG_ERR, buf, ADDDATE, 0) == -1) { 23247c478bd9Sstevel@tonic-gate (void) logerror_to_console(1, buf); 23257c478bd9Sstevel@tonic-gate } 23267c478bd9Sstevel@tonic-gate } 23277c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&logerror_lock); 23287c478bd9Sstevel@tonic-gate 23297c478bd9Sstevel@tonic-gate errno = 0; 23307c478bd9Sstevel@tonic-gate t_errno = 0; 23317c478bd9Sstevel@tonic-gate } 23327c478bd9Sstevel@tonic-gate 23337c478bd9Sstevel@tonic-gate static void 23347c478bd9Sstevel@tonic-gate logerror_format(const char *type, char *buf, va_list ap) 23357c478bd9Sstevel@tonic-gate { 23367c478bd9Sstevel@tonic-gate char tmpbuf[MAXLINE + 1]; 23377c478bd9Sstevel@tonic-gate pthread_t mythreadno; 23387c478bd9Sstevel@tonic-gate 23397c478bd9Sstevel@tonic-gate if (Debug) { 23407c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 23417c478bd9Sstevel@tonic-gate } 23427c478bd9Sstevel@tonic-gate 23437c478bd9Sstevel@tonic-gate (void) vsnprintf(tmpbuf, MAXLINE, type, ap); 23447c478bd9Sstevel@tonic-gate 23457c478bd9Sstevel@tonic-gate if (t_errno == 0 || t_errno == TSYSERR) { 23467c478bd9Sstevel@tonic-gate char *errstr; 23477c478bd9Sstevel@tonic-gate 23487c478bd9Sstevel@tonic-gate if (errno == 0) { 23497c478bd9Sstevel@tonic-gate (void) snprintf(buf, MAXLINE, "syslogd: %.*s", 23507c478bd9Sstevel@tonic-gate MAXLINE, tmpbuf); 23517c478bd9Sstevel@tonic-gate } else if ((errstr = strerror(errno)) == (char *)NULL) { 23527c478bd9Sstevel@tonic-gate (void) snprintf(buf, MAXLINE, "syslogd: %s: error" 23537c478bd9Sstevel@tonic-gate " %d", tmpbuf, errno); 23547c478bd9Sstevel@tonic-gate } else { 23557c478bd9Sstevel@tonic-gate (void) snprintf(buf, MAXLINE, "syslogd: %s: %s", 23567c478bd9Sstevel@tonic-gate tmpbuf, errstr); 23577c478bd9Sstevel@tonic-gate } 23587c478bd9Sstevel@tonic-gate } else { 23597c478bd9Sstevel@tonic-gate if (t_errno > t_nerr) { 23607c478bd9Sstevel@tonic-gate (void) snprintf(buf, MAXLINE, "syslogd: %s:" 23617c478bd9Sstevel@tonic-gate " t_error %d", tmpbuf, t_errno); 23627c478bd9Sstevel@tonic-gate } else { 23637c478bd9Sstevel@tonic-gate (void) snprintf(buf, MAXLINE, "syslogd: %s: %s", 23647c478bd9Sstevel@tonic-gate tmpbuf, t_errlist[t_errno]); 23657c478bd9Sstevel@tonic-gate } 23667c478bd9Sstevel@tonic-gate } 23677c478bd9Sstevel@tonic-gate 23687c478bd9Sstevel@tonic-gate DPRINT2(5, "logerror_format(%u): out %s\n", mythreadno, buf); 23697c478bd9Sstevel@tonic-gate } 23707c478bd9Sstevel@tonic-gate 23717c478bd9Sstevel@tonic-gate static int 23727c478bd9Sstevel@tonic-gate logerror_to_console(int nonblock, const char *buf) 23737c478bd9Sstevel@tonic-gate { 23747c478bd9Sstevel@tonic-gate int cfd, modes; 23757c478bd9Sstevel@tonic-gate pthread_t mythreadno; 23767c478bd9Sstevel@tonic-gate int ret = 0, len; 23777c478bd9Sstevel@tonic-gate char tmpbuf[MAXLINE + 1]; 23787c478bd9Sstevel@tonic-gate 23797c478bd9Sstevel@tonic-gate if (Debug) { 23807c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 23817c478bd9Sstevel@tonic-gate } 23827c478bd9Sstevel@tonic-gate 23837c478bd9Sstevel@tonic-gate DPRINT2(1, "logerror_to_console(%u): %s\n", mythreadno, buf); 23847c478bd9Sstevel@tonic-gate 23857c478bd9Sstevel@tonic-gate /* 23867c478bd9Sstevel@tonic-gate * must use open here instead of fopen, because 23877c478bd9Sstevel@tonic-gate * we need the O_NOCTTY behavior - otherwise we 23887c478bd9Sstevel@tonic-gate * could hang the console at boot time 23897c478bd9Sstevel@tonic-gate */ 23907c478bd9Sstevel@tonic-gate 23917c478bd9Sstevel@tonic-gate modes = (nonblock) ? 23927c478bd9Sstevel@tonic-gate O_WRONLY|O_APPEND|O_NOCTTY|O_NONBLOCK : 23937c478bd9Sstevel@tonic-gate O_WRONLY|O_APPEND|O_NOCTTY; 23947c478bd9Sstevel@tonic-gate 23957c478bd9Sstevel@tonic-gate if (((cfd = open(sysmsg, modes)) >= 0) || 23967c478bd9Sstevel@tonic-gate ((cfd = open(ctty, modes)) >= 0)) { 23977c478bd9Sstevel@tonic-gate (void) snprintf(tmpbuf, MAXLINE, "%s\n", buf); 23987c478bd9Sstevel@tonic-gate len = strlen(tmpbuf); 23997c478bd9Sstevel@tonic-gate if (write(cfd, tmpbuf, len) != len) { 24007c478bd9Sstevel@tonic-gate ret = 1; 24017c478bd9Sstevel@tonic-gate } 24027c478bd9Sstevel@tonic-gate (void) close(cfd); 24037c478bd9Sstevel@tonic-gate } else { 24047c478bd9Sstevel@tonic-gate ret = 1; 24057c478bd9Sstevel@tonic-gate 24067c478bd9Sstevel@tonic-gate /* punt */ 24077c478bd9Sstevel@tonic-gate DPRINT1(1, "logerror_console(%u): can't open console\n", 24087c478bd9Sstevel@tonic-gate mythreadno); 24097c478bd9Sstevel@tonic-gate } 24107c478bd9Sstevel@tonic-gate return (ret); 24117c478bd9Sstevel@tonic-gate } 24127c478bd9Sstevel@tonic-gate 24137c478bd9Sstevel@tonic-gate /* 24147c478bd9Sstevel@tonic-gate * copy current message to saved message in filed structure. 24157c478bd9Sstevel@tonic-gate */ 24167c478bd9Sstevel@tonic-gate static void 24177c478bd9Sstevel@tonic-gate copy_msg(struct filed *f) 24187c478bd9Sstevel@tonic-gate { 24197c478bd9Sstevel@tonic-gate (void) strlcpy(f->f_prevmsg.msg, f->f_current.msg, MAXLINE+1); 24207c478bd9Sstevel@tonic-gate (void) strlcpy(f->f_prevmsg.host, f->f_current.host, SYS_NMLN); 24217c478bd9Sstevel@tonic-gate f->f_prevmsg.pri = f->f_current.pri; 24227c478bd9Sstevel@tonic-gate f->f_prevmsg.flags = f->f_current.flags; 24237c478bd9Sstevel@tonic-gate f->f_prevmsg.time = f->f_current.time; 24247c478bd9Sstevel@tonic-gate f->f_msgflag |= OLD_VALID; 24257c478bd9Sstevel@tonic-gate } 24267c478bd9Sstevel@tonic-gate 24277c478bd9Sstevel@tonic-gate 24287c478bd9Sstevel@tonic-gate /* 24297c478bd9Sstevel@tonic-gate * function to free a host_list_t struct that was allocated 24307c478bd9Sstevel@tonic-gate * out of cvthname(). There is a special case where we don't 24317c478bd9Sstevel@tonic-gate * free the hostname list in LocalHostName, because that's 24327c478bd9Sstevel@tonic-gate * our own addresses, and we just want to have to look it 24337c478bd9Sstevel@tonic-gate * up once and save it. Also don't free it if it's 24347c478bd9Sstevel@tonic-gate * NullHostName, because that's a special one we use if 24357c478bd9Sstevel@tonic-gate * name service lookup fails. 24367c478bd9Sstevel@tonic-gate * 24377c478bd9Sstevel@tonic-gate * By having hostname cache, now host_list_t will be shared 24387c478bd9Sstevel@tonic-gate * by messages and hostname cache. hl_refcnt is used for 24397c478bd9Sstevel@tonic-gate * the purpose. 24407c478bd9Sstevel@tonic-gate */ 24417c478bd9Sstevel@tonic-gate static void 24427c478bd9Sstevel@tonic-gate freehl(host_list_t *h) 24437c478bd9Sstevel@tonic-gate { 24447c478bd9Sstevel@tonic-gate int i, refcnt; 24457c478bd9Sstevel@tonic-gate pthread_t mythreadno; 24467c478bd9Sstevel@tonic-gate 24477c478bd9Sstevel@tonic-gate if (Debug) { 24487c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 24497c478bd9Sstevel@tonic-gate } 24507c478bd9Sstevel@tonic-gate 24517c478bd9Sstevel@tonic-gate DPRINT2(2, "freehl(%u): releasing %p\n", mythreadno, h); 24527c478bd9Sstevel@tonic-gate 24537c478bd9Sstevel@tonic-gate if (h == NULL || h == &LocalHostName || h == &NullHostName) { 24547c478bd9Sstevel@tonic-gate return; 24557c478bd9Sstevel@tonic-gate } 24567c478bd9Sstevel@tonic-gate 24577c478bd9Sstevel@tonic-gate pthread_mutex_lock(&h->hl_mutex); 24587c478bd9Sstevel@tonic-gate refcnt = --h->hl_refcnt; 24597c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&h->hl_mutex); 24607c478bd9Sstevel@tonic-gate 24617c478bd9Sstevel@tonic-gate if (refcnt != 0) { 24627c478bd9Sstevel@tonic-gate DPRINT3(5, "freehl(%u): %p has reference %d\n", 24637c478bd9Sstevel@tonic-gate mythreadno, h, refcnt); 24647c478bd9Sstevel@tonic-gate return; 24657c478bd9Sstevel@tonic-gate } 24667c478bd9Sstevel@tonic-gate 24677c478bd9Sstevel@tonic-gate pthread_mutex_destroy(&h->hl_mutex); 24687c478bd9Sstevel@tonic-gate 24697c478bd9Sstevel@tonic-gate DPRINT2(5, "freehl(%u): freeing %p\n", mythreadno, h); 24707c478bd9Sstevel@tonic-gate 24717c478bd9Sstevel@tonic-gate for (i = 0; i < h->hl_cnt; i++) { 24727c478bd9Sstevel@tonic-gate free(h->hl_hosts[i]); 24737c478bd9Sstevel@tonic-gate } 24747c478bd9Sstevel@tonic-gate 24757c478bd9Sstevel@tonic-gate free(h->hl_hosts); 24767c478bd9Sstevel@tonic-gate free(h); 24777c478bd9Sstevel@tonic-gate } 24787c478bd9Sstevel@tonic-gate 24797c478bd9Sstevel@tonic-gate /* 24807c478bd9Sstevel@tonic-gate * Create the door file and the pid file in /var/run. If the filesystem 24817c478bd9Sstevel@tonic-gate * containing /etc is writable, create symlinks /etc/.syslog_door and 24827c478bd9Sstevel@tonic-gate * /etc/syslog.pid to them. On systems that do not support /var/run, create 24837c478bd9Sstevel@tonic-gate * /etc/.syslog_door and /etc/syslog.pid directly. 24847c478bd9Sstevel@tonic-gate * 24857c478bd9Sstevel@tonic-gate * Note: it is not considered fatal to fail to create the pid file or its 24867c478bd9Sstevel@tonic-gate * symlink. Attempts to use them in the usual way will fail, of course, but 24877c478bd9Sstevel@tonic-gate * syslogd will function nicely without it (not so for the door file). 24887c478bd9Sstevel@tonic-gate */ 24897c478bd9Sstevel@tonic-gate 24907c478bd9Sstevel@tonic-gate static void 24917c478bd9Sstevel@tonic-gate open_door(void) 24927c478bd9Sstevel@tonic-gate { 24937c478bd9Sstevel@tonic-gate struct stat buf; 24947c478bd9Sstevel@tonic-gate door_info_t info; 24957c478bd9Sstevel@tonic-gate char line[MAXLINE+1]; 24967c478bd9Sstevel@tonic-gate pthread_t mythreadno; 24977c478bd9Sstevel@tonic-gate int err; 24987c478bd9Sstevel@tonic-gate 24997c478bd9Sstevel@tonic-gate if (Debug) { 25007c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 25017c478bd9Sstevel@tonic-gate } 25027c478bd9Sstevel@tonic-gate 25037c478bd9Sstevel@tonic-gate /* 25047c478bd9Sstevel@tonic-gate * first see if another syslogd is running by trying 25057c478bd9Sstevel@tonic-gate * a door call - if it succeeds, there is already 25067c478bd9Sstevel@tonic-gate * a syslogd process active 25077c478bd9Sstevel@tonic-gate */ 25087c478bd9Sstevel@tonic-gate 25097c478bd9Sstevel@tonic-gate if (!DoorCreated) { 25107c478bd9Sstevel@tonic-gate int door; 25117c478bd9Sstevel@tonic-gate 25127c478bd9Sstevel@tonic-gate if ((door = open(DoorFileName, O_RDONLY)) >= 0) { 25137c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): %s opened " 25147c478bd9Sstevel@tonic-gate "successfully\n", mythreadno, DoorFileName); 25157c478bd9Sstevel@tonic-gate 25167c478bd9Sstevel@tonic-gate if (door_info(door, &info) >= 0) { 25177c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): " 25187c478bd9Sstevel@tonic-gate "door_info:info.di_target = %ld\n", 25197c478bd9Sstevel@tonic-gate mythreadno, info.di_target); 25207c478bd9Sstevel@tonic-gate 25217c478bd9Sstevel@tonic-gate if (info.di_target > 0) { 25227c478bd9Sstevel@tonic-gate (void) sprintf(line, "syslogd pid %ld" 25237c478bd9Sstevel@tonic-gate " already running. Cannot " 25247c478bd9Sstevel@tonic-gate "start another syslogd pid %ld", 25257c478bd9Sstevel@tonic-gate info.di_target, getpid()); 25267c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): error: " 25277c478bd9Sstevel@tonic-gate "%s\n", mythreadno, line); 25287c478bd9Sstevel@tonic-gate errno = 0; 25297c478bd9Sstevel@tonic-gate logerror(line); 25307c478bd9Sstevel@tonic-gate exit(1); 25317c478bd9Sstevel@tonic-gate } 25327c478bd9Sstevel@tonic-gate } 25337c478bd9Sstevel@tonic-gate 25347c478bd9Sstevel@tonic-gate (void) close(door); 25357c478bd9Sstevel@tonic-gate } else { 25367c478bd9Sstevel@tonic-gate if (lstat(DoorFileName, &buf) < 0) { 25377c478bd9Sstevel@tonic-gate err = errno; 25387c478bd9Sstevel@tonic-gate 25397c478bd9Sstevel@tonic-gate DPRINT3(5, "open_door(%u): lstat() of %s " 25407c478bd9Sstevel@tonic-gate "failed, errno=%d\n", 25417c478bd9Sstevel@tonic-gate mythreadno, DoorFileName, err); 25427c478bd9Sstevel@tonic-gate 25437c478bd9Sstevel@tonic-gate if ((door = creat(DoorFileName, 0644)) < 0) { 25447c478bd9Sstevel@tonic-gate err = errno; 25457c478bd9Sstevel@tonic-gate (void) sprintf(line, "creat() of %s " 25467c478bd9Sstevel@tonic-gate "failed - fatal", DoorFileName); 25477c478bd9Sstevel@tonic-gate DPRINT3(1, "open_door(%u): error: %s, " 25487c478bd9Sstevel@tonic-gate "errno=%d\n", mythreadno, line, 25497c478bd9Sstevel@tonic-gate err); 25507c478bd9Sstevel@tonic-gate errno = err; 25517c478bd9Sstevel@tonic-gate logerror(line); 25527c478bd9Sstevel@tonic-gate delete_doorfiles(); 25537c478bd9Sstevel@tonic-gate exit(1); 25547c478bd9Sstevel@tonic-gate } 25557c478bd9Sstevel@tonic-gate 25567c478bd9Sstevel@tonic-gate (void) fchmod(door, 25577c478bd9Sstevel@tonic-gate S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); 25587c478bd9Sstevel@tonic-gate 25597c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): creat() of %s " 25607c478bd9Sstevel@tonic-gate "succeeded\n", mythreadno, 25617c478bd9Sstevel@tonic-gate DoorFileName); 25627c478bd9Sstevel@tonic-gate 25637c478bd9Sstevel@tonic-gate (void) close(door); 25647c478bd9Sstevel@tonic-gate } 25657c478bd9Sstevel@tonic-gate } 25667c478bd9Sstevel@tonic-gate 25677c478bd9Sstevel@tonic-gate if (strcmp(DoorFileName, DOORFILE) == 0) { 25687c478bd9Sstevel@tonic-gate if (lstat(OLD_DOORFILE, &buf) == 0) { 25697c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): lstat() of %s " 25707c478bd9Sstevel@tonic-gate "succeeded\n", mythreadno, 25717c478bd9Sstevel@tonic-gate OLD_DOORFILE); 25727c478bd9Sstevel@tonic-gate 25737c478bd9Sstevel@tonic-gate if (S_ISDIR(buf.st_mode)) { 25747c478bd9Sstevel@tonic-gate (void) sprintf(line, "%s is a " 25757c478bd9Sstevel@tonic-gate "directory - fatal", 25767c478bd9Sstevel@tonic-gate OLD_DOORFILE); 25777c478bd9Sstevel@tonic-gate DPRINT2(1, "open_door(%u): error: " 25787c478bd9Sstevel@tonic-gate "%s\n", mythreadno, line); 25797c478bd9Sstevel@tonic-gate errno = 0; 25807c478bd9Sstevel@tonic-gate logerror(line); 25817c478bd9Sstevel@tonic-gate delete_doorfiles(); 25827c478bd9Sstevel@tonic-gate exit(1); 25837c478bd9Sstevel@tonic-gate } 25847c478bd9Sstevel@tonic-gate 25857c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): %s is not a " 25867c478bd9Sstevel@tonic-gate "directory\n", 25877c478bd9Sstevel@tonic-gate mythreadno, OLD_DOORFILE); 25887c478bd9Sstevel@tonic-gate 25897c478bd9Sstevel@tonic-gate if (unlink(OLD_DOORFILE) < 0) { 25907c478bd9Sstevel@tonic-gate err = errno; 25917c478bd9Sstevel@tonic-gate (void) sprintf(line, "unlink() of %s " 25927c478bd9Sstevel@tonic-gate "failed", OLD_DOORFILE); 25937c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): %s\n", 25947c478bd9Sstevel@tonic-gate mythreadno, line); 25957c478bd9Sstevel@tonic-gate 25967c478bd9Sstevel@tonic-gate if (err != EROFS) { 25977c478bd9Sstevel@tonic-gate DPRINT3(1, "open_door(%u): " 25987c478bd9Sstevel@tonic-gate "error: %s, " 25997c478bd9Sstevel@tonic-gate "errno=%d\n", 26007c478bd9Sstevel@tonic-gate mythreadno, line, err); 26017c478bd9Sstevel@tonic-gate (void) strcat(line, " - fatal"); 26027c478bd9Sstevel@tonic-gate errno = err; 26037c478bd9Sstevel@tonic-gate logerror(line); 26047c478bd9Sstevel@tonic-gate delete_doorfiles(); 26057c478bd9Sstevel@tonic-gate exit(1); 26067c478bd9Sstevel@tonic-gate } 26077c478bd9Sstevel@tonic-gate 26087c478bd9Sstevel@tonic-gate DPRINT1(5, "open_door(%u): unlink " 26097c478bd9Sstevel@tonic-gate "failure OK on RO file " 26107c478bd9Sstevel@tonic-gate "system\n", mythreadno); 26117c478bd9Sstevel@tonic-gate } 26127c478bd9Sstevel@tonic-gate } else { 26137c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): file %s doesn't " 26147c478bd9Sstevel@tonic-gate "exist\n", mythreadno, OLD_DOORFILE); 26157c478bd9Sstevel@tonic-gate } 26167c478bd9Sstevel@tonic-gate 26177c478bd9Sstevel@tonic-gate if (symlink(RELATIVE_DOORFILE, OLD_DOORFILE) < 0) { 26187c478bd9Sstevel@tonic-gate err = errno; 26197c478bd9Sstevel@tonic-gate (void) sprintf(line, "symlink %s -> %s " 26207c478bd9Sstevel@tonic-gate "failed", OLD_DOORFILE, 26217c478bd9Sstevel@tonic-gate RELATIVE_DOORFILE); 26227c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): %s\n", mythreadno, 26237c478bd9Sstevel@tonic-gate line); 26247c478bd9Sstevel@tonic-gate 26257c478bd9Sstevel@tonic-gate if (err != EROFS) { 26267c478bd9Sstevel@tonic-gate DPRINT3(1, "open_door(%u): error: %s, " 26277c478bd9Sstevel@tonic-gate "errno=%d\n", mythreadno, line, 26287c478bd9Sstevel@tonic-gate err); 26297c478bd9Sstevel@tonic-gate errno = err; 26307c478bd9Sstevel@tonic-gate (void) strcat(line, " - fatal"); 26317c478bd9Sstevel@tonic-gate logerror(line); 26327c478bd9Sstevel@tonic-gate delete_doorfiles(); 26337c478bd9Sstevel@tonic-gate exit(1); 26347c478bd9Sstevel@tonic-gate } 26357c478bd9Sstevel@tonic-gate 26367c478bd9Sstevel@tonic-gate DPRINT1(5, "open_door(%u): symlink failure OK " 26377c478bd9Sstevel@tonic-gate "on RO file system\n", mythreadno); 26387c478bd9Sstevel@tonic-gate } else { 26397c478bd9Sstevel@tonic-gate DPRINT3(5, "open_door(%u): symlink %s -> %s " 26407c478bd9Sstevel@tonic-gate "succeeded\n", mythreadno, 26417c478bd9Sstevel@tonic-gate OLD_DOORFILE, RELATIVE_DOORFILE); 26427c478bd9Sstevel@tonic-gate } 26437c478bd9Sstevel@tonic-gate } 26447c478bd9Sstevel@tonic-gate 26457c478bd9Sstevel@tonic-gate if ((DoorFd = door_create(server, 0, 26467c478bd9Sstevel@tonic-gate DOOR_REFUSE_DESC | DOOR_NO_CANCEL)) < 0) { 26477c478bd9Sstevel@tonic-gate err = errno; 26487c478bd9Sstevel@tonic-gate (void) sprintf(line, "door_create() failed - fatal"); 26497c478bd9Sstevel@tonic-gate DPRINT3(1, "open_door(%u): error: %s, errno=%d\n", 26507c478bd9Sstevel@tonic-gate mythreadno, line, err); 26517c478bd9Sstevel@tonic-gate errno = err; 26527c478bd9Sstevel@tonic-gate logerror(line); 26537c478bd9Sstevel@tonic-gate delete_doorfiles(); 26547c478bd9Sstevel@tonic-gate exit(1); 26557c478bd9Sstevel@tonic-gate } 26567c478bd9Sstevel@tonic-gate (void) door_setparam(DoorFd, DOOR_PARAM_DATA_MAX, 0); 26577c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): door_create() succeeded, " 26587c478bd9Sstevel@tonic-gate "DoorFd=%d\n", mythreadno, DoorFd); 26597c478bd9Sstevel@tonic-gate 26607c478bd9Sstevel@tonic-gate DoorCreated = 1; 26617c478bd9Sstevel@tonic-gate } 26627c478bd9Sstevel@tonic-gate 26637c478bd9Sstevel@tonic-gate (void) fdetach(DoorFileName); /* just in case... */ 26647c478bd9Sstevel@tonic-gate 26657c478bd9Sstevel@tonic-gate if (fattach(DoorFd, DoorFileName) < 0) { 26667c478bd9Sstevel@tonic-gate err = errno; 26677c478bd9Sstevel@tonic-gate (void) sprintf(line, "fattach() of fd" 26687c478bd9Sstevel@tonic-gate " %d to %s failed - fatal", 26697c478bd9Sstevel@tonic-gate DoorFd, DoorFileName); 26707c478bd9Sstevel@tonic-gate DPRINT3(1, "open_door(%u): error: %s, errno=%d\n", mythreadno, 26717c478bd9Sstevel@tonic-gate line, err); 26727c478bd9Sstevel@tonic-gate errno = err; 26737c478bd9Sstevel@tonic-gate logerror(line); 26747c478bd9Sstevel@tonic-gate delete_doorfiles(); 26757c478bd9Sstevel@tonic-gate exit(1); 26767c478bd9Sstevel@tonic-gate } 26777c478bd9Sstevel@tonic-gate 26787c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): attached server() to %s\n", mythreadno, 26797c478bd9Sstevel@tonic-gate DoorFileName); 26807c478bd9Sstevel@tonic-gate 26817c478bd9Sstevel@tonic-gate /* 26827c478bd9Sstevel@tonic-gate * create pidfile anyway, so those using it to control 26837c478bd9Sstevel@tonic-gate * syslogd (with kill `cat /etc/syslog.pid` perhaps) 26847c478bd9Sstevel@tonic-gate * don't get broken. 26857c478bd9Sstevel@tonic-gate */ 26867c478bd9Sstevel@tonic-gate 26877c478bd9Sstevel@tonic-gate if (!PidfileCreated) { 26887c478bd9Sstevel@tonic-gate int pidfd; 26897c478bd9Sstevel@tonic-gate 26907c478bd9Sstevel@tonic-gate PidfileCreated = 1; 26917c478bd9Sstevel@tonic-gate 26927c478bd9Sstevel@tonic-gate if ((pidfd = open(PidFileName, O_RDWR|O_CREAT|O_TRUNC, 0644)) 26937c478bd9Sstevel@tonic-gate < 0) { 26947c478bd9Sstevel@tonic-gate err = errno; 26957c478bd9Sstevel@tonic-gate (void) sprintf(line, "open() of %s failed", 26967c478bd9Sstevel@tonic-gate PidFileName); 26977c478bd9Sstevel@tonic-gate DPRINT3(1, "open_door(%u): warning: %s, errno=%d\n", 26987c478bd9Sstevel@tonic-gate mythreadno, line, err); 26997c478bd9Sstevel@tonic-gate errno = err; 27007c478bd9Sstevel@tonic-gate logerror(line); 27017c478bd9Sstevel@tonic-gate return; 27027c478bd9Sstevel@tonic-gate } 27037c478bd9Sstevel@tonic-gate 27047c478bd9Sstevel@tonic-gate (void) fchmod(pidfd, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); 27057c478bd9Sstevel@tonic-gate (void) sprintf(line, "%ld\n", getpid()); 27067c478bd9Sstevel@tonic-gate 27077c478bd9Sstevel@tonic-gate if (write(pidfd, line, strlen(line)) < 0) { 27087c478bd9Sstevel@tonic-gate err = errno; 27097c478bd9Sstevel@tonic-gate (void) sprintf(line, "write to %s on fd %d failed", 27107c478bd9Sstevel@tonic-gate PidFileName, pidfd); 27117c478bd9Sstevel@tonic-gate DPRINT3(1, "open_door(%u): warning: %s, errno=%d\n", 27127c478bd9Sstevel@tonic-gate mythreadno, line, err); 27137c478bd9Sstevel@tonic-gate errno = err; 27147c478bd9Sstevel@tonic-gate logerror(line); 27157c478bd9Sstevel@tonic-gate return; 27167c478bd9Sstevel@tonic-gate } 27177c478bd9Sstevel@tonic-gate 27187c478bd9Sstevel@tonic-gate (void) close(pidfd); 27197c478bd9Sstevel@tonic-gate 27207c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): %s created\n", 27217c478bd9Sstevel@tonic-gate mythreadno, PidFileName); 27227c478bd9Sstevel@tonic-gate 27237c478bd9Sstevel@tonic-gate if (strcmp(PidFileName, PIDFILE) == 0) { 27247c478bd9Sstevel@tonic-gate if (lstat(OLD_PIDFILE, &buf) == 0) { 27257c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): lstat() of %s " 27267c478bd9Sstevel@tonic-gate "succeded\n", mythreadno, OLD_PIDFILE); 27277c478bd9Sstevel@tonic-gate 27287c478bd9Sstevel@tonic-gate if (S_ISDIR(buf.st_mode)) { 27297c478bd9Sstevel@tonic-gate (void) sprintf(line, "file %s is a " 27307c478bd9Sstevel@tonic-gate "directory", 27317c478bd9Sstevel@tonic-gate OLD_PIDFILE); 27327c478bd9Sstevel@tonic-gate DPRINT2(1, "open_door(%u): warning: " 27337c478bd9Sstevel@tonic-gate "%s\n", mythreadno, line); 27347c478bd9Sstevel@tonic-gate errno = 0; 27357c478bd9Sstevel@tonic-gate logerror(line); 27367c478bd9Sstevel@tonic-gate return; 27377c478bd9Sstevel@tonic-gate } 27387c478bd9Sstevel@tonic-gate 27397c478bd9Sstevel@tonic-gate if (unlink(OLD_PIDFILE) < 0) { 27407c478bd9Sstevel@tonic-gate err = errno; 27417c478bd9Sstevel@tonic-gate (void) sprintf(line, "unlink() " 27427c478bd9Sstevel@tonic-gate "of %s failed", OLD_PIDFILE); 27437c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): %s\n", 27447c478bd9Sstevel@tonic-gate mythreadno, line); 27457c478bd9Sstevel@tonic-gate 27467c478bd9Sstevel@tonic-gate if (err != EROFS) { 27477c478bd9Sstevel@tonic-gate DPRINT3(1, "open_door (%u): " 27487c478bd9Sstevel@tonic-gate "warning: %s, " 27497c478bd9Sstevel@tonic-gate "errno=%d\n", 27507c478bd9Sstevel@tonic-gate mythreadno, line, err); 27517c478bd9Sstevel@tonic-gate errno = err; 27527c478bd9Sstevel@tonic-gate logerror(line); 27537c478bd9Sstevel@tonic-gate return; 27547c478bd9Sstevel@tonic-gate } 27557c478bd9Sstevel@tonic-gate 27567c478bd9Sstevel@tonic-gate DPRINT1(5, "open_door(%u): unlink " 27577c478bd9Sstevel@tonic-gate "failure OK on RO file " 27587c478bd9Sstevel@tonic-gate "system\n", mythreadno); 27597c478bd9Sstevel@tonic-gate } 27607c478bd9Sstevel@tonic-gate } else { 27617c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): file %s doesn't " 27627c478bd9Sstevel@tonic-gate "exist\n", mythreadno, OLD_PIDFILE); 27637c478bd9Sstevel@tonic-gate } 27647c478bd9Sstevel@tonic-gate 27657c478bd9Sstevel@tonic-gate if (symlink(RELATIVE_PIDFILE, OLD_PIDFILE) < 0) { 27667c478bd9Sstevel@tonic-gate err = errno; 27677c478bd9Sstevel@tonic-gate (void) sprintf(line, "symlink %s -> %s " 27687c478bd9Sstevel@tonic-gate "failed", OLD_PIDFILE, 27697c478bd9Sstevel@tonic-gate RELATIVE_PIDFILE); 27707c478bd9Sstevel@tonic-gate DPRINT2(5, "open_door(%u): %s\n", mythreadno, 27717c478bd9Sstevel@tonic-gate line); 27727c478bd9Sstevel@tonic-gate 27737c478bd9Sstevel@tonic-gate if (err != EROFS) { 27747c478bd9Sstevel@tonic-gate DPRINT3(1, "open_door(%u): warning: " 27757c478bd9Sstevel@tonic-gate "%s, errno=%d\n", mythreadno, 27767c478bd9Sstevel@tonic-gate line, err); 27777c478bd9Sstevel@tonic-gate errno = err; 27787c478bd9Sstevel@tonic-gate logerror(line); 27797c478bd9Sstevel@tonic-gate return; 27807c478bd9Sstevel@tonic-gate } 27817c478bd9Sstevel@tonic-gate 27827c478bd9Sstevel@tonic-gate DPRINT1(5, "open_door(%u): symlink failure OK " 27837c478bd9Sstevel@tonic-gate "on RO file system\n", mythreadno); 27847c478bd9Sstevel@tonic-gate return; 27857c478bd9Sstevel@tonic-gate } 27867c478bd9Sstevel@tonic-gate 27877c478bd9Sstevel@tonic-gate DPRINT3(5, "open_door(%u): symlink %s -> %s " 27887c478bd9Sstevel@tonic-gate "succeeded\n", mythreadno, OLD_PIDFILE, 27897c478bd9Sstevel@tonic-gate RELATIVE_PIDFILE); 27907c478bd9Sstevel@tonic-gate } 27917c478bd9Sstevel@tonic-gate } 27927c478bd9Sstevel@tonic-gate } 27937c478bd9Sstevel@tonic-gate 27947c478bd9Sstevel@tonic-gate /* 27957c478bd9Sstevel@tonic-gate * the 'server' function that we export via the door. It does 27967c478bd9Sstevel@tonic-gate * nothing but return. 27977c478bd9Sstevel@tonic-gate */ 27987c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 27997c478bd9Sstevel@tonic-gate static void 28007c478bd9Sstevel@tonic-gate server(void *cookie, char *argp, size_t arg_size, 28017c478bd9Sstevel@tonic-gate door_desc_t *dp, uint_t n) 28027c478bd9Sstevel@tonic-gate { 28037c478bd9Sstevel@tonic-gate (void) door_return(NULL, 0, NULL, 0); 28047c478bd9Sstevel@tonic-gate /* NOTREACHED */ 28057c478bd9Sstevel@tonic-gate } 28067c478bd9Sstevel@tonic-gate 28077c478bd9Sstevel@tonic-gate /* 28087c478bd9Sstevel@tonic-gate * checkm4 - used to verify that the external utilities that 28097c478bd9Sstevel@tonic-gate * syslogd depends on are where we expect them to be. 28107c478bd9Sstevel@tonic-gate * Returns 0 if all utilities are found, > 0 if any are missing. 28117c478bd9Sstevel@tonic-gate * Also logs errors so user knows what's missing 28127c478bd9Sstevel@tonic-gate */ 28137c478bd9Sstevel@tonic-gate static int 28147c478bd9Sstevel@tonic-gate checkm4(void) 28157c478bd9Sstevel@tonic-gate { 28167c478bd9Sstevel@tonic-gate int notfound = 0; 28177c478bd9Sstevel@tonic-gate int saverrno; 28187c478bd9Sstevel@tonic-gate pthread_t mythreadno; 28197c478bd9Sstevel@tonic-gate 28207c478bd9Sstevel@tonic-gate if (Debug) { 28217c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 28227c478bd9Sstevel@tonic-gate } 28237c478bd9Sstevel@tonic-gate 28247c478bd9Sstevel@tonic-gate if (access("/usr/ccs/bin/m4", X_OK) < 0) { 28257c478bd9Sstevel@tonic-gate saverrno = errno; 28267c478bd9Sstevel@tonic-gate logerror("/usr/ccs/bin/m4"); 28277c478bd9Sstevel@tonic-gate DPRINT2(1, "checkm4(%u): /usr/ccs/bin/m4 - access " 28287c478bd9Sstevel@tonic-gate "returned %d\n", mythreadno, saverrno); 28297c478bd9Sstevel@tonic-gate notfound++; 28307c478bd9Sstevel@tonic-gate } 28317c478bd9Sstevel@tonic-gate 28327c478bd9Sstevel@tonic-gate return (notfound); 28337c478bd9Sstevel@tonic-gate } 28347c478bd9Sstevel@tonic-gate 28357c478bd9Sstevel@tonic-gate /* 28367c478bd9Sstevel@tonic-gate * INIT -- Initialize syslogd from configuration table, start up 28377c478bd9Sstevel@tonic-gate * input and logger threads. This routine is called only once. 28387c478bd9Sstevel@tonic-gate */ 28397c478bd9Sstevel@tonic-gate static void 28407c478bd9Sstevel@tonic-gate init(void) 28417c478bd9Sstevel@tonic-gate { 28427c478bd9Sstevel@tonic-gate struct utsname *up; 28437c478bd9Sstevel@tonic-gate pthread_attr_t sys_attr, net_attr, log_attr, hnl_attr; 28447c478bd9Sstevel@tonic-gate int nthread; 28457c478bd9Sstevel@tonic-gate pthread_t mythreadno; 28467c478bd9Sstevel@tonic-gate 28477c478bd9Sstevel@tonic-gate if (Debug) { 28487c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 28497c478bd9Sstevel@tonic-gate } 28507c478bd9Sstevel@tonic-gate 28517c478bd9Sstevel@tonic-gate DPRINT1(2, "init(%u): initializing\n", mythreadno); 28527c478bd9Sstevel@tonic-gate 28537c478bd9Sstevel@tonic-gate /* hand-craft a host_list_t entry for our local host name */ 28547c478bd9Sstevel@tonic-gate if ((up = malloc(sizeof (struct utsname))) == NULL) { 28557c478bd9Sstevel@tonic-gate MALLOC_FAIL_EXIT; 28567c478bd9Sstevel@tonic-gate } 28577c478bd9Sstevel@tonic-gate (void) uname(up); 28587c478bd9Sstevel@tonic-gate LocalHostName.hl_cnt = 1; 28597c478bd9Sstevel@tonic-gate if ((LocalHostName.hl_hosts = malloc(sizeof (char *))) == NULL) { 28607c478bd9Sstevel@tonic-gate MALLOC_FAIL_EXIT; 28617c478bd9Sstevel@tonic-gate } 28627c478bd9Sstevel@tonic-gate if ((LocalHostName.hl_hosts[0] = strdup(up->nodename)) == NULL) { 28637c478bd9Sstevel@tonic-gate free(LocalHostName.hl_hosts); 28647c478bd9Sstevel@tonic-gate MALLOC_FAIL_EXIT; 28657c478bd9Sstevel@tonic-gate } 28667c478bd9Sstevel@tonic-gate free(up); 28677c478bd9Sstevel@tonic-gate /* also hand craft one for use if name resolution fails */ 28687c478bd9Sstevel@tonic-gate NullHostName.hl_cnt = 1; 28697c478bd9Sstevel@tonic-gate if ((NullHostName.hl_hosts = malloc(sizeof (char *))) == NULL) { 28707c478bd9Sstevel@tonic-gate MALLOC_FAIL_EXIT; 28717c478bd9Sstevel@tonic-gate } 28727c478bd9Sstevel@tonic-gate if ((NullHostName.hl_hosts[0] = strdup("name lookup failed")) == NULL) { 28737c478bd9Sstevel@tonic-gate MALLOC_FAIL_EXIT; 28747c478bd9Sstevel@tonic-gate } 28757c478bd9Sstevel@tonic-gate 28767c478bd9Sstevel@tonic-gate hnc_init(0); 28777c478bd9Sstevel@tonic-gate 28787c478bd9Sstevel@tonic-gate /* 28797c478bd9Sstevel@tonic-gate * Note that getnets will allocate network resources, but won't be 28807c478bd9Sstevel@tonic-gate * binding UDP port. This is because, there could be a race 28817c478bd9Sstevel@tonic-gate * condition between door. If we bind here, one syslogd could grab 28827c478bd9Sstevel@tonic-gate * UDP port first, but later another syslogd could take over without 28837c478bd9Sstevel@tonic-gate * getting UDP port but grab the door file. The 2nd syslogd could 28847c478bd9Sstevel@tonic-gate * continue to run without listening network. 28857c478bd9Sstevel@tonic-gate * bindnet() will be called after door was successfully opened. 28867c478bd9Sstevel@tonic-gate */ 28877c478bd9Sstevel@tonic-gate getnets(); 28887c478bd9Sstevel@tonic-gate 28897c478bd9Sstevel@tonic-gate /* 28907c478bd9Sstevel@tonic-gate * Start up configured theads 28917c478bd9Sstevel@tonic-gate */ 28927c478bd9Sstevel@tonic-gate conf_init(); 28937c478bd9Sstevel@tonic-gate 28947c478bd9Sstevel@tonic-gate /* 28957c478bd9Sstevel@tonic-gate * allocate thread stacks for the persistant threads 28967c478bd9Sstevel@tonic-gate */ 28977c478bd9Sstevel@tonic-gate nthread = (turnoff == 0) ? 4 : 2; 28987c478bd9Sstevel@tonic-gate 28997c478bd9Sstevel@tonic-gate if ((stack_ptr = alloc_stacks(nthread)) == NULL) { 29007c478bd9Sstevel@tonic-gate logerror("alloc_stacks failed - fatal"); 29017c478bd9Sstevel@tonic-gate exit(1); 29027c478bd9Sstevel@tonic-gate } 29037c478bd9Sstevel@tonic-gate 29047c478bd9Sstevel@tonic-gate if (Debug) { 29057c478bd9Sstevel@tonic-gate dumpstats(STDOUT_FILENO); 29067c478bd9Sstevel@tonic-gate } 29077c478bd9Sstevel@tonic-gate 29087c478bd9Sstevel@tonic-gate (void) dataq_init(&inputq); /* init the input queue */ 29097c478bd9Sstevel@tonic-gate 29107c478bd9Sstevel@tonic-gate if (pthread_attr_init(&sys_attr) != 0 || 29117c478bd9Sstevel@tonic-gate pthread_attr_init(&log_attr) != 0 || 29127c478bd9Sstevel@tonic-gate pthread_attr_init(&net_attr) != 0 || 29137c478bd9Sstevel@tonic-gate pthread_attr_init(&hnl_attr) != 0) { 29147c478bd9Sstevel@tonic-gate logerror("pthread_attr_init failed - fatal"); 29157c478bd9Sstevel@tonic-gate exit(1); 29167c478bd9Sstevel@tonic-gate } 29177c478bd9Sstevel@tonic-gate 29187c478bd9Sstevel@tonic-gate (void) pthread_attr_setscope(&sys_attr, PTHREAD_SCOPE_PROCESS); 29197c478bd9Sstevel@tonic-gate (void) pthread_attr_setscope(&log_attr, PTHREAD_SCOPE_PROCESS); 29207c478bd9Sstevel@tonic-gate (void) pthread_attr_setscope(&net_attr, PTHREAD_SCOPE_PROCESS); 29217c478bd9Sstevel@tonic-gate (void) pthread_attr_setscope(&hnl_attr, PTHREAD_SCOPE_PROCESS); 29227c478bd9Sstevel@tonic-gate 29237c478bd9Sstevel@tonic-gate /* 1: logmsg thread */ 29247c478bd9Sstevel@tonic-gate (void) pthread_attr_setstacksize(&log_attr, stacksize); 29257c478bd9Sstevel@tonic-gate (void) pthread_attr_setstackaddr(&log_attr, stack_ptr); 29267c478bd9Sstevel@tonic-gate stack_ptr += stacksize + redzonesize; 29277c478bd9Sstevel@tonic-gate if (pthread_create(&log_thread, &log_attr, logmsg, NULL) != 0) { 29287c478bd9Sstevel@tonic-gate logerror("pthread_create failed - fatal"); 29297c478bd9Sstevel@tonic-gate exit(1); 29307c478bd9Sstevel@tonic-gate } 29317c478bd9Sstevel@tonic-gate 29327c478bd9Sstevel@tonic-gate /* 29337c478bd9Sstevel@tonic-gate * open the log device, and pull up all pending message 29347c478bd9Sstevel@tonic-gate * from the log driver. 29357c478bd9Sstevel@tonic-gate */ 29367c478bd9Sstevel@tonic-gate prepare_sys_poll(); 29377c478bd9Sstevel@tonic-gate 29387c478bd9Sstevel@tonic-gate /* 29397c478bd9Sstevel@tonic-gate * Now we can deliver the pending internal error messages. 29407c478bd9Sstevel@tonic-gate */ 29417c478bd9Sstevel@tonic-gate enable_errorlog(); 29427c478bd9Sstevel@tonic-gate 29437c478bd9Sstevel@tonic-gate /* 2: sys_poll thread */ 29447c478bd9Sstevel@tonic-gate (void) pthread_attr_setstacksize(&sys_attr, stacksize); 29457c478bd9Sstevel@tonic-gate (void) pthread_attr_setstackaddr(&sys_attr, stack_ptr); 29467c478bd9Sstevel@tonic-gate stack_ptr += stacksize + redzonesize; 29477c478bd9Sstevel@tonic-gate if (pthread_create(&sys_thread, &sys_attr, sys_poll, NULL) != 0) { 29487c478bd9Sstevel@tonic-gate logerror("pthread_create failed - fatal"); 29497c478bd9Sstevel@tonic-gate exit(1); 29507c478bd9Sstevel@tonic-gate } 29517c478bd9Sstevel@tonic-gate 29527c478bd9Sstevel@tonic-gate /* 29537c478bd9Sstevel@tonic-gate * We've started the sys_poll() and logmsg() threads. Now we are ready 29547c478bd9Sstevel@tonic-gate * to open the door. This cannot happen before spawning sys_poll(), 29557c478bd9Sstevel@tonic-gate * because after opening the door, syslog() will no longer take care of 29567c478bd9Sstevel@tonic-gate * LOG_CONS. Therefor, we should pull up all pending log messages and 29577c478bd9Sstevel@tonic-gate * activate sys_poll() before opening the door, so that log driver 29587c478bd9Sstevel@tonic-gate * won't drop messages. 29597c478bd9Sstevel@tonic-gate */ 29607c478bd9Sstevel@tonic-gate open_door(); 29617c478bd9Sstevel@tonic-gate 29627c478bd9Sstevel@tonic-gate DPRINT1(1, "init(%u): accepting messages from local system\n", 29637c478bd9Sstevel@tonic-gate mythreadno); 29647c478bd9Sstevel@tonic-gate 29657c478bd9Sstevel@tonic-gate if (turnoff == 0) { 29667c478bd9Sstevel@tonic-gate /* init the hostname lookup queue */ 29677c478bd9Sstevel@tonic-gate (void) dataq_init(&hnlq); 29687c478bd9Sstevel@tonic-gate 29697c478bd9Sstevel@tonic-gate /* 3: hostname lookup thread */ 29707c478bd9Sstevel@tonic-gate (void) pthread_attr_setstacksize(&hnl_attr, stacksize); 29717c478bd9Sstevel@tonic-gate (void) pthread_attr_setstackaddr(&hnl_attr, stack_ptr); 29727c478bd9Sstevel@tonic-gate stack_ptr += stacksize + redzonesize; 29737c478bd9Sstevel@tonic-gate if (pthread_create(&hnl_thread, &hnl_attr, 29747c478bd9Sstevel@tonic-gate hostname_lookup, NULL) != 0) { 29757c478bd9Sstevel@tonic-gate logerror("pthread_create failed - fatal"); 29767c478bd9Sstevel@tonic-gate exit(1); 29777c478bd9Sstevel@tonic-gate } 29787c478bd9Sstevel@tonic-gate 29797c478bd9Sstevel@tonic-gate /* 4: net_poll thread */ 29807c478bd9Sstevel@tonic-gate (void) pthread_attr_setstacksize(&net_attr, stacksize); 29817c478bd9Sstevel@tonic-gate (void) pthread_attr_setstackaddr(&net_attr, stack_ptr); 29827c478bd9Sstevel@tonic-gate stack_ptr += stacksize + redzonesize; 29837c478bd9Sstevel@tonic-gate 29847c478bd9Sstevel@tonic-gate /* grab UDP port */ 29857c478bd9Sstevel@tonic-gate bindnet(); 29867c478bd9Sstevel@tonic-gate 29877c478bd9Sstevel@tonic-gate if (pthread_create(&net_thread, &net_attr, net_poll, 29887c478bd9Sstevel@tonic-gate NULL) != 0) { 29897c478bd9Sstevel@tonic-gate logerror("pthread_create failed - fatal"); 29907c478bd9Sstevel@tonic-gate exit(1); 29917c478bd9Sstevel@tonic-gate } 29927c478bd9Sstevel@tonic-gate DPRINT1(1, "init(%u): accepting messages from remote\n", 29937c478bd9Sstevel@tonic-gate mythreadno); 29947c478bd9Sstevel@tonic-gate } 29957c478bd9Sstevel@tonic-gate 29967c478bd9Sstevel@tonic-gate (void) pthread_attr_destroy(&sys_attr); 29977c478bd9Sstevel@tonic-gate (void) pthread_attr_destroy(&net_attr); 29987c478bd9Sstevel@tonic-gate (void) pthread_attr_destroy(&log_attr); 29997c478bd9Sstevel@tonic-gate (void) pthread_attr_destroy(&hnl_attr); 30007c478bd9Sstevel@tonic-gate 30017c478bd9Sstevel@tonic-gate curalarm = MarkInterval * 60 / MARKCOUNT; 30027c478bd9Sstevel@tonic-gate (void) alarm((unsigned)curalarm); 30037c478bd9Sstevel@tonic-gate DPRINT2(2, "init(%u): Next alarm in %d seconds\n", 30047c478bd9Sstevel@tonic-gate mythreadno, curalarm); 30057c478bd9Sstevel@tonic-gate DPRINT1(1, "init(%u): syslogd: started\n", mythreadno); 30067c478bd9Sstevel@tonic-gate } 30077c478bd9Sstevel@tonic-gate 30087c478bd9Sstevel@tonic-gate /* 30097c478bd9Sstevel@tonic-gate * will print a bunch of debugging stats on 'fd' 30107c478bd9Sstevel@tonic-gate */ 30117c478bd9Sstevel@tonic-gate static void 30127c478bd9Sstevel@tonic-gate dumpstats(int fd) 30137c478bd9Sstevel@tonic-gate { 30147c478bd9Sstevel@tonic-gate FILE *out; 30157c478bd9Sstevel@tonic-gate struct filed *f; 30167c478bd9Sstevel@tonic-gate int i; 30177c478bd9Sstevel@tonic-gate char users[1024]; 30187c478bd9Sstevel@tonic-gate char cbuf[30]; 30197c478bd9Sstevel@tonic-gate char *dashes = "------------------------"; 30207c478bd9Sstevel@tonic-gate static int conversion_printed; 30217c478bd9Sstevel@tonic-gate 30227c478bd9Sstevel@tonic-gate if ((out = fdopen(fd, "w+")) == NULL) 30237c478bd9Sstevel@tonic-gate return; 30247c478bd9Sstevel@tonic-gate 30257c478bd9Sstevel@tonic-gate (void) fprintf(out, "\n syslogd: version %s\n", Version); 30267c478bd9Sstevel@tonic-gate (void) fprintf(out, " Started: %s", ctime_r(&start_time, cbuf)); 30277c478bd9Sstevel@tonic-gate (void) fprintf(out, "Input message count: system %d, network %d\n", 30287c478bd9Sstevel@tonic-gate sys_msg_count, net_msg_count); 30297c478bd9Sstevel@tonic-gate (void) fprintf(out, "# Outputs: %d\n\n", nlogs); 30307c478bd9Sstevel@tonic-gate 30317c478bd9Sstevel@tonic-gate (void) fprintf(out, "%s priority = [file, facility] %s\n\n", 30327c478bd9Sstevel@tonic-gate dashes, dashes); 30337c478bd9Sstevel@tonic-gate 30347c478bd9Sstevel@tonic-gate for (i = 0; i < LOG_NFACILITIES + 1; i++) { 30357c478bd9Sstevel@tonic-gate (void) fprintf(out, "%d ", i / 10); 30367c478bd9Sstevel@tonic-gate } 30377c478bd9Sstevel@tonic-gate (void) fprintf(out, "\n"); 30387c478bd9Sstevel@tonic-gate for (i = 0; i < LOG_NFACILITIES + 1; i++) { 30397c478bd9Sstevel@tonic-gate (void) fprintf(out, "%d ", i % 10); 30407c478bd9Sstevel@tonic-gate } 30417c478bd9Sstevel@tonic-gate (void) fprintf(out, "\n"); 30427c478bd9Sstevel@tonic-gate for (i = 0; i < LOG_NFACILITIES + 1; i++) { 30437c478bd9Sstevel@tonic-gate (void) fprintf(out, "--"); 30447c478bd9Sstevel@tonic-gate } 30457c478bd9Sstevel@tonic-gate (void) fprintf(out, "\n"); 30467c478bd9Sstevel@tonic-gate 30477c478bd9Sstevel@tonic-gate for (f = Files; f < &Files[nlogs]; f++) { 30487c478bd9Sstevel@tonic-gate for (i = 0; i < LOG_NFACILITIES + 1; i++) { 30497c478bd9Sstevel@tonic-gate if (f->f_pmask[i] == NOPRI) 30507c478bd9Sstevel@tonic-gate (void) fprintf(out, "X "); 30517c478bd9Sstevel@tonic-gate else 30527c478bd9Sstevel@tonic-gate (void) fprintf(out, "%d ", 30537c478bd9Sstevel@tonic-gate f->f_pmask[i]); 30547c478bd9Sstevel@tonic-gate } 30557c478bd9Sstevel@tonic-gate (void) fprintf(out, "%s: ", TypeNames[f->f_type]); 30567c478bd9Sstevel@tonic-gate switch (f->f_type) { 30577c478bd9Sstevel@tonic-gate case F_FILE: 30587c478bd9Sstevel@tonic-gate case F_TTY: 30597c478bd9Sstevel@tonic-gate case F_CONSOLE: 30607c478bd9Sstevel@tonic-gate (void) fprintf(out, "%s", f->f_un.f_fname); 30617c478bd9Sstevel@tonic-gate break; 30627c478bd9Sstevel@tonic-gate case F_FORW: 30637c478bd9Sstevel@tonic-gate (void) fprintf(out, "%s", f->f_un.f_forw.f_hname); 30647c478bd9Sstevel@tonic-gate break; 30657c478bd9Sstevel@tonic-gate case F_USERS: 30667c478bd9Sstevel@tonic-gate for (i = 0; i < MAXUNAMES && 30677c478bd9Sstevel@tonic-gate *f->f_un.f_uname[i]; i++) { 30687c478bd9Sstevel@tonic-gate if (!i) 30697c478bd9Sstevel@tonic-gate (void) fprintf(out, "%s", 30707c478bd9Sstevel@tonic-gate f->f_un.f_uname[i]); 30717c478bd9Sstevel@tonic-gate else 30727c478bd9Sstevel@tonic-gate (void) fprintf(out, ", %s", 30737c478bd9Sstevel@tonic-gate f->f_un.f_uname[i]); 30747c478bd9Sstevel@tonic-gate } 30757c478bd9Sstevel@tonic-gate break; 30767c478bd9Sstevel@tonic-gate } 30777c478bd9Sstevel@tonic-gate (void) fprintf(out, "\n"); 30787c478bd9Sstevel@tonic-gate } 30797c478bd9Sstevel@tonic-gate 30807c478bd9Sstevel@tonic-gate if (!conversion_printed) { 30817c478bd9Sstevel@tonic-gate fprintf(out, "\nFacilities:\n"); 30827c478bd9Sstevel@tonic-gate 30837c478bd9Sstevel@tonic-gate for (i = 0; FacNames[i].c_val != -1; i++) { 30847c478bd9Sstevel@tonic-gate fprintf(out, " [%02d] %s: %3d\n", i, 30857c478bd9Sstevel@tonic-gate FacNames[i].c_name, FacNames[i].c_val); 30867c478bd9Sstevel@tonic-gate } 30877c478bd9Sstevel@tonic-gate 30887c478bd9Sstevel@tonic-gate fprintf(out, "\nPriorities:\n"); 30897c478bd9Sstevel@tonic-gate 30907c478bd9Sstevel@tonic-gate for (i = 0; PriNames[i].c_val != -1; i++) { 30917c478bd9Sstevel@tonic-gate fprintf(out, " [%02d] %s: %3d\n", i, 30927c478bd9Sstevel@tonic-gate PriNames[i].c_name, PriNames[i].c_val); 30937c478bd9Sstevel@tonic-gate } 30947c478bd9Sstevel@tonic-gate 30957c478bd9Sstevel@tonic-gate conversion_printed = 1; 30967c478bd9Sstevel@tonic-gate } 30977c478bd9Sstevel@tonic-gate 30987c478bd9Sstevel@tonic-gate (void) fprintf(out, "\n\n\n\t\tPer File Statistics\n"); 30997c478bd9Sstevel@tonic-gate (void) fprintf(out, "%-24s\tTot\tDups\tNofwd\tErrs\n", "File"); 31007c478bd9Sstevel@tonic-gate (void) fprintf(out, "%-24s\t---\t----\t-----\t----\n", "----"); 31017c478bd9Sstevel@tonic-gate for (f = Files; f < &Files[nlogs]; f++) { 31027c478bd9Sstevel@tonic-gate switch (f->f_type) { 31037c478bd9Sstevel@tonic-gate case F_FILE: 31047c478bd9Sstevel@tonic-gate case F_TTY: 31057c478bd9Sstevel@tonic-gate case F_CONSOLE: 31067c478bd9Sstevel@tonic-gate (void) fprintf(out, "%-24s", f->f_un.f_fname); 31077c478bd9Sstevel@tonic-gate break; 31087c478bd9Sstevel@tonic-gate case F_WALL: 31097c478bd9Sstevel@tonic-gate (void) fprintf(out, "%-24s", TypeNames[f->f_type]); 31107c478bd9Sstevel@tonic-gate break; 31117c478bd9Sstevel@tonic-gate case F_FORW: 31127c478bd9Sstevel@tonic-gate (void) fprintf(out, "%-24s", f->f_un.f_forw.f_hname); 31137c478bd9Sstevel@tonic-gate break; 31147c478bd9Sstevel@tonic-gate case F_USERS: 31157c478bd9Sstevel@tonic-gate for (i = 0; i < MAXUNAMES && 31167c478bd9Sstevel@tonic-gate *f->f_un.f_uname[i]; i++) { 31177c478bd9Sstevel@tonic-gate if (!i) 31187c478bd9Sstevel@tonic-gate (void) strcpy(users, 31197c478bd9Sstevel@tonic-gate f->f_un.f_uname[i]); 31207c478bd9Sstevel@tonic-gate else { 31217c478bd9Sstevel@tonic-gate (void) strcat(users, ","); 31227c478bd9Sstevel@tonic-gate (void) strcat(users, 31237c478bd9Sstevel@tonic-gate f->f_un.f_uname[i]); 31247c478bd9Sstevel@tonic-gate } 31257c478bd9Sstevel@tonic-gate } 31267c478bd9Sstevel@tonic-gate (void) fprintf(out, "%-24s", users); 31277c478bd9Sstevel@tonic-gate break; 31287c478bd9Sstevel@tonic-gate } 31297c478bd9Sstevel@tonic-gate (void) fprintf(out, "\t%d\t%d\t%d\t%d\n", 31307c478bd9Sstevel@tonic-gate f->f_stat.total, f->f_stat.dups, 31317c478bd9Sstevel@tonic-gate f->f_stat.cantfwd, f->f_stat.errs); 31327c478bd9Sstevel@tonic-gate } 31337c478bd9Sstevel@tonic-gate (void) fprintf(out, "\n\n"); 31347c478bd9Sstevel@tonic-gate if (Debug && fd == 1) 31357c478bd9Sstevel@tonic-gate return; 31367c478bd9Sstevel@tonic-gate (void) fclose(out); 31377c478bd9Sstevel@tonic-gate } 31387c478bd9Sstevel@tonic-gate 31397c478bd9Sstevel@tonic-gate /* 31407c478bd9Sstevel@tonic-gate * conf_init - This routine is code seperated from the 31417c478bd9Sstevel@tonic-gate * init routine in order to be re-callable when we get 31427c478bd9Sstevel@tonic-gate * a SIGHUP signal. 31437c478bd9Sstevel@tonic-gate */ 31447c478bd9Sstevel@tonic-gate static void 31457c478bd9Sstevel@tonic-gate conf_init(void) 31467c478bd9Sstevel@tonic-gate { 31477c478bd9Sstevel@tonic-gate char *p; 31487c478bd9Sstevel@tonic-gate int i; 31497c478bd9Sstevel@tonic-gate struct filed *f; 31507c478bd9Sstevel@tonic-gate char *m4argv[4]; 31517c478bd9Sstevel@tonic-gate int m4argc = 0; 31527c478bd9Sstevel@tonic-gate conf_t cf; 31537c478bd9Sstevel@tonic-gate pthread_t mythreadno; 31547c478bd9Sstevel@tonic-gate 31557c478bd9Sstevel@tonic-gate if (Debug) { 31567c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 31577c478bd9Sstevel@tonic-gate } 31587c478bd9Sstevel@tonic-gate 31597c478bd9Sstevel@tonic-gate DPRINT1(2, "conf_init(%u): starting logger threads\n", 31607c478bd9Sstevel@tonic-gate mythreadno); 31617c478bd9Sstevel@tonic-gate 31627c478bd9Sstevel@tonic-gate m4argv[m4argc++] = "m4"; 31637c478bd9Sstevel@tonic-gate 31647c478bd9Sstevel@tonic-gate if (amiloghost() == 1) { 31657c478bd9Sstevel@tonic-gate DPRINT1(1, "conf_init(%u): I am loghost\n", mythreadno); 31667c478bd9Sstevel@tonic-gate m4argv[m4argc++] = "-DLOGHOST=1"; 31677c478bd9Sstevel@tonic-gate } 31687c478bd9Sstevel@tonic-gate 31697c478bd9Sstevel@tonic-gate m4argv[m4argc++] = ConfFile; 31707c478bd9Sstevel@tonic-gate m4argv[m4argc] = NULL; 31717c478bd9Sstevel@tonic-gate 31727c478bd9Sstevel@tonic-gate /* 31737c478bd9Sstevel@tonic-gate * Make sure the configuration file and m4 exist, and then parse 31747c478bd9Sstevel@tonic-gate * the configuration file with m4. If any of these fail, resort 31757c478bd9Sstevel@tonic-gate * to our hardcoded fallback configuration. 31767c478bd9Sstevel@tonic-gate */ 31777c478bd9Sstevel@tonic-gate 31787c478bd9Sstevel@tonic-gate if (access(ConfFile, R_OK) == -1) { 31797c478bd9Sstevel@tonic-gate DPRINT2(1, "conf_init(%u): %s does not exist\n", mythreadno, 31807c478bd9Sstevel@tonic-gate ConfFile); 31817c478bd9Sstevel@tonic-gate logerror("can't open configuration file"); 31827c478bd9Sstevel@tonic-gate /* CSTYLED */ 31837c478bd9Sstevel@tonic-gate Files = (struct filed *) &fallback; /*lint !e545 */ 31847c478bd9Sstevel@tonic-gate cfline("*.ERR\t/dev/sysmsg", 0, &Files[0]); 31857c478bd9Sstevel@tonic-gate cfline("*.PANIC\t*", 0, &Files[1]); 31867c478bd9Sstevel@tonic-gate nlogs = 2; 31877c478bd9Sstevel@tonic-gate goto nofile; 31887c478bd9Sstevel@tonic-gate } 31897c478bd9Sstevel@tonic-gate 31907c478bd9Sstevel@tonic-gate if (checkm4() != 0 || conf_open(&cf, "/usr/ccs/bin/m4", m4argv) == -1) { 31917c478bd9Sstevel@tonic-gate DPRINT2(1, "conf_init(%u): cannot open %s\n", mythreadno, 31927c478bd9Sstevel@tonic-gate ConfFile); 31937c478bd9Sstevel@tonic-gate /* CSTYLED */ 31947c478bd9Sstevel@tonic-gate Files = (struct filed *) &fallback; /*lint !e545 */ 31957c478bd9Sstevel@tonic-gate cfline("*.ERR\t/dev/sysmsg", 0, &Files[0]); 31967c478bd9Sstevel@tonic-gate cfline("*.PANIC\t*", 0, &Files[1]); 31977c478bd9Sstevel@tonic-gate nlogs = 2; 31987c478bd9Sstevel@tonic-gate goto nofile; 31997c478bd9Sstevel@tonic-gate } 32007c478bd9Sstevel@tonic-gate 32017c478bd9Sstevel@tonic-gate /* Count the number of lines which are not blanks or comments */ 32027c478bd9Sstevel@tonic-gate nlogs = 0; 32037c478bd9Sstevel@tonic-gate while ((p = conf_read(&cf)) != NULL) { 32047c478bd9Sstevel@tonic-gate if (p[0] != '\0' && p[0] != '#') 32057c478bd9Sstevel@tonic-gate nlogs++; 32067c478bd9Sstevel@tonic-gate } 32077c478bd9Sstevel@tonic-gate 32087c478bd9Sstevel@tonic-gate Files = (struct filed *)malloc(sizeof (struct filed) * nlogs); 32097c478bd9Sstevel@tonic-gate 32107c478bd9Sstevel@tonic-gate if (!Files) { 32117c478bd9Sstevel@tonic-gate DPRINT1(1, "conf_init(%u): malloc failed - can't " 32127c478bd9Sstevel@tonic-gate "allocate 'Files' array\n", mythreadno); 32137c478bd9Sstevel@tonic-gate MALLOC_FAIL("loading minimum configuration"); 32147c478bd9Sstevel@tonic-gate /* CSTYLED */ 32157c478bd9Sstevel@tonic-gate Files = (struct filed *) &fallback; /*lint !e545 */ 32167c478bd9Sstevel@tonic-gate cfline("*.ERR\t/dev/sysmsg", 0, &Files[0]); 32177c478bd9Sstevel@tonic-gate cfline("*.PANIC\t*", 0, &Files[1]); 32187c478bd9Sstevel@tonic-gate nlogs = 2; 32197c478bd9Sstevel@tonic-gate conf_close(&cf); 32207c478bd9Sstevel@tonic-gate goto nofile; 32217c478bd9Sstevel@tonic-gate } 32227c478bd9Sstevel@tonic-gate 32237c478bd9Sstevel@tonic-gate /* 32247c478bd9Sstevel@tonic-gate * Foreach line in the conf table, open that file. 32257c478bd9Sstevel@tonic-gate */ 32267c478bd9Sstevel@tonic-gate conf_rewind(&cf); 32277c478bd9Sstevel@tonic-gate f = Files; 32287c478bd9Sstevel@tonic-gate i = 0; 32297c478bd9Sstevel@tonic-gate while (((p = conf_read(&cf)) != NULL) && (f < &Files[nlogs])) { 32307c478bd9Sstevel@tonic-gate i++; 32317c478bd9Sstevel@tonic-gate /* check for end-of-section */ 32327c478bd9Sstevel@tonic-gate if (p[0] == '\0' || p[0] == '#') 32337c478bd9Sstevel@tonic-gate continue; 32347c478bd9Sstevel@tonic-gate 32357c478bd9Sstevel@tonic-gate cfline(p, i, f); 32367c478bd9Sstevel@tonic-gate if (f->f_type == F_UNUSED) 32377c478bd9Sstevel@tonic-gate nlogs--; 32387c478bd9Sstevel@tonic-gate else 32397c478bd9Sstevel@tonic-gate f++; 32407c478bd9Sstevel@tonic-gate } 32417c478bd9Sstevel@tonic-gate 32427c478bd9Sstevel@tonic-gate conf_close(&cf); 32437c478bd9Sstevel@tonic-gate 32447c478bd9Sstevel@tonic-gate /* 32457c478bd9Sstevel@tonic-gate * See if marks are to be written to any files. If so, set up a 32467c478bd9Sstevel@tonic-gate * timeout for marks. 32477c478bd9Sstevel@tonic-gate */ 32487c478bd9Sstevel@tonic-gate nofile: 32497c478bd9Sstevel@tonic-gate Marking = 0; 32507c478bd9Sstevel@tonic-gate 32517c478bd9Sstevel@tonic-gate /* 32527c478bd9Sstevel@tonic-gate * allocate thread stacks - one for each logger thread. 32537c478bd9Sstevel@tonic-gate */ 32547c478bd9Sstevel@tonic-gate if ((cstack_ptr = alloc_stacks(nlogs)) == NULL) { 32557c478bd9Sstevel@tonic-gate logerror("alloc_stacks failed - fatal"); 32567c478bd9Sstevel@tonic-gate exit(1); 32577c478bd9Sstevel@tonic-gate } 32587c478bd9Sstevel@tonic-gate 32597c478bd9Sstevel@tonic-gate /* And now one thread for each configured file */ 32607c478bd9Sstevel@tonic-gate for (f = Files; f < &Files[nlogs]; f++) { 32617c478bd9Sstevel@tonic-gate if (filed_init(f) != 0) { 32627c478bd9Sstevel@tonic-gate logerror("pthread_create failed - fatal"); 32637c478bd9Sstevel@tonic-gate exit(1); 32647c478bd9Sstevel@tonic-gate } 32657c478bd9Sstevel@tonic-gate 32667c478bd9Sstevel@tonic-gate pthread_mutex_lock(&cft); 32677c478bd9Sstevel@tonic-gate ++conf_threads; 32687c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&cft); 32697c478bd9Sstevel@tonic-gate 32707c478bd9Sstevel@tonic-gate if (f->f_type != F_UNUSED && 32717c478bd9Sstevel@tonic-gate f->f_pmask[LOG_NFACILITIES] != NOPRI) 32727c478bd9Sstevel@tonic-gate Marking = 1; 32737c478bd9Sstevel@tonic-gate } 32747c478bd9Sstevel@tonic-gate } 32757c478bd9Sstevel@tonic-gate 32767c478bd9Sstevel@tonic-gate /* 32777c478bd9Sstevel@tonic-gate * filed init - initialize fields in a file descriptor struct 32787c478bd9Sstevel@tonic-gate * this is called before multiple threads are running, so no mutex 32797c478bd9Sstevel@tonic-gate * needs to be held at this time. 32807c478bd9Sstevel@tonic-gate */ 328178eb75caSchin static int 32827c478bd9Sstevel@tonic-gate filed_init(struct filed *f) 32837c478bd9Sstevel@tonic-gate { 32847c478bd9Sstevel@tonic-gate pthread_attr_t stack_attr; 32857c478bd9Sstevel@tonic-gate pthread_t mythreadno; 32867c478bd9Sstevel@tonic-gate 32877c478bd9Sstevel@tonic-gate if (Debug) { 32887c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 32897c478bd9Sstevel@tonic-gate } 32907c478bd9Sstevel@tonic-gate 32917c478bd9Sstevel@tonic-gate if (pthread_mutex_init(&f->filed_mutex, NULL) != 0) { 32927c478bd9Sstevel@tonic-gate logerror("pthread_mutex_init failed"); 32937c478bd9Sstevel@tonic-gate return (-1); 32947c478bd9Sstevel@tonic-gate } 32957c478bd9Sstevel@tonic-gate 32967c478bd9Sstevel@tonic-gate DPRINT2(5, "filed_init(%u): dataq_init for queue %p\n", 32977c478bd9Sstevel@tonic-gate mythreadno, &f->f_queue); 32987c478bd9Sstevel@tonic-gate (void) dataq_init(&f->f_queue); 32997c478bd9Sstevel@tonic-gate 33007c478bd9Sstevel@tonic-gate if (pthread_attr_init(&stack_attr) != 0) { 33017c478bd9Sstevel@tonic-gate logerror("pthread_attr_init failed"); 33027c478bd9Sstevel@tonic-gate return (-1); 33037c478bd9Sstevel@tonic-gate } 33047c478bd9Sstevel@tonic-gate 33057c478bd9Sstevel@tonic-gate (void) pthread_attr_setstacksize(&stack_attr, stacksize); 33067c478bd9Sstevel@tonic-gate (void) pthread_attr_setstackaddr(&stack_attr, cstack_ptr); 33077c478bd9Sstevel@tonic-gate cstack_ptr += stacksize + redzonesize; 33087c478bd9Sstevel@tonic-gate 33097c478bd9Sstevel@tonic-gate f->f_msgflag = 0; 33107c478bd9Sstevel@tonic-gate f->f_prevmsg.msg[0] = '\0'; 33117c478bd9Sstevel@tonic-gate f->f_prevmsg.flags = 0; 33127c478bd9Sstevel@tonic-gate f->f_prevmsg.pri = 0; 33137c478bd9Sstevel@tonic-gate f->f_prevmsg.host[0] = '\0'; 33147c478bd9Sstevel@tonic-gate 33157c478bd9Sstevel@tonic-gate f->f_current.msg[0] = '\0'; 33167c478bd9Sstevel@tonic-gate f->f_current.flags = 0; 33177c478bd9Sstevel@tonic-gate f->f_current.pri = 0; 33187c478bd9Sstevel@tonic-gate f->f_current.host[0] = '\0'; 33197c478bd9Sstevel@tonic-gate 33207c478bd9Sstevel@tonic-gate f->f_prevcount = 0; 33217c478bd9Sstevel@tonic-gate 33227c478bd9Sstevel@tonic-gate f->f_stat.flag = 0; 33237c478bd9Sstevel@tonic-gate f->f_stat.total = 0; 33247c478bd9Sstevel@tonic-gate f->f_stat.dups = 0; 33257c478bd9Sstevel@tonic-gate f->f_stat.cantfwd = 0; 33267c478bd9Sstevel@tonic-gate f->f_stat.errs = 0; 33277c478bd9Sstevel@tonic-gate 33287c478bd9Sstevel@tonic-gate if (pthread_create(&f->f_thread, NULL, logit, (void *)f) != 0) { 33297c478bd9Sstevel@tonic-gate logerror("pthread_create failed"); 33307c478bd9Sstevel@tonic-gate pthread_attr_destroy(&stack_attr); 33317c478bd9Sstevel@tonic-gate return (-1); 33327c478bd9Sstevel@tonic-gate } 33337c478bd9Sstevel@tonic-gate 33347c478bd9Sstevel@tonic-gate pthread_attr_destroy(&stack_attr); 33357c478bd9Sstevel@tonic-gate return (0); 33367c478bd9Sstevel@tonic-gate } 33377c478bd9Sstevel@tonic-gate 33387c478bd9Sstevel@tonic-gate 33397c478bd9Sstevel@tonic-gate /* 33407c478bd9Sstevel@tonic-gate * Crack a configuration file line 33417c478bd9Sstevel@tonic-gate */ 33427c478bd9Sstevel@tonic-gate static void 33437c478bd9Sstevel@tonic-gate cfline(char *line, int lineno, struct filed *f) 33447c478bd9Sstevel@tonic-gate { 33457c478bd9Sstevel@tonic-gate char *p; 33467c478bd9Sstevel@tonic-gate char *q; 33477c478bd9Sstevel@tonic-gate int i; 33487c478bd9Sstevel@tonic-gate char *bp; 33497c478bd9Sstevel@tonic-gate int pri; 33507c478bd9Sstevel@tonic-gate char buf[MAXLINE]; 33517c478bd9Sstevel@tonic-gate char ebuf[SYS_NMLN+1+40]; 33527c478bd9Sstevel@tonic-gate mode_t fmode, omode = O_WRONLY|O_APPEND|O_NOCTTY; 33537c478bd9Sstevel@tonic-gate struct stat64 sbuf; 33547c478bd9Sstevel@tonic-gate pthread_t mythreadno; 33557c478bd9Sstevel@tonic-gate 33567c478bd9Sstevel@tonic-gate if (Debug) { 33577c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 33587c478bd9Sstevel@tonic-gate } 33597c478bd9Sstevel@tonic-gate 33607c478bd9Sstevel@tonic-gate DPRINT2(1, "cfline(%u): (%s)\n", mythreadno, line); 33617c478bd9Sstevel@tonic-gate 3362ace1a5f1Sdp errno = 0; /* keep errno related stuff out of logerror messages */ 33637c478bd9Sstevel@tonic-gate 33647c478bd9Sstevel@tonic-gate /* clear out file entry */ 33657c478bd9Sstevel@tonic-gate bzero((char *)f, sizeof (*f)); 33667c478bd9Sstevel@tonic-gate for (i = 0; i <= LOG_NFACILITIES; i++) 33677c478bd9Sstevel@tonic-gate f->f_pmask[i] = NOPRI; 33687c478bd9Sstevel@tonic-gate 33697c478bd9Sstevel@tonic-gate /* scan through the list of selectors */ 33707c478bd9Sstevel@tonic-gate for (p = line; *p && *p != '\t'; ) { 33717c478bd9Sstevel@tonic-gate 33727c478bd9Sstevel@tonic-gate /* find the end of this facility name list */ 33737c478bd9Sstevel@tonic-gate for (q = p; *q && *q != '\t' && *q++ != '.'; ) 33747c478bd9Sstevel@tonic-gate continue; 33757c478bd9Sstevel@tonic-gate 33767c478bd9Sstevel@tonic-gate /* collect priority name */ 33777c478bd9Sstevel@tonic-gate for (bp = buf; *q && !strchr("\t,;", *q); ) 33787c478bd9Sstevel@tonic-gate *bp++ = *q++; 33797c478bd9Sstevel@tonic-gate *bp = '\0'; 33807c478bd9Sstevel@tonic-gate 33817c478bd9Sstevel@tonic-gate /* skip cruft */ 33827c478bd9Sstevel@tonic-gate while (strchr(", ;", *q)) 33837c478bd9Sstevel@tonic-gate q++; 33847c478bd9Sstevel@tonic-gate 33857c478bd9Sstevel@tonic-gate /* decode priority name */ 33867c478bd9Sstevel@tonic-gate pri = decode(buf, PriNames); 33877c478bd9Sstevel@tonic-gate if (pri < 0) { 33887c478bd9Sstevel@tonic-gate logerror("line %d: unknown priority name \"%s\"", 33897c478bd9Sstevel@tonic-gate lineno, buf); 33907c478bd9Sstevel@tonic-gate return; 33917c478bd9Sstevel@tonic-gate } 33927c478bd9Sstevel@tonic-gate 33937c478bd9Sstevel@tonic-gate /* scan facilities */ 33947c478bd9Sstevel@tonic-gate while (*p && !strchr("\t.;", *p)) { 33957c478bd9Sstevel@tonic-gate for (bp = buf; *p && !strchr("\t,;.", *p); ) 33967c478bd9Sstevel@tonic-gate *bp++ = *p++; 33977c478bd9Sstevel@tonic-gate *bp = '\0'; 33987c478bd9Sstevel@tonic-gate if (*buf == '*') 33997c478bd9Sstevel@tonic-gate for (i = 0; i < LOG_NFACILITIES; i++) 34007c478bd9Sstevel@tonic-gate f->f_pmask[i] = (uchar_t)pri; 34017c478bd9Sstevel@tonic-gate else { 34027c478bd9Sstevel@tonic-gate i = decode(buf, FacNames); 34037c478bd9Sstevel@tonic-gate if (i < 0) { 34047c478bd9Sstevel@tonic-gate logerror("line %d: unknown facility" 34057c478bd9Sstevel@tonic-gate " name \"%s\"", lineno, buf); 34067c478bd9Sstevel@tonic-gate return; 34077c478bd9Sstevel@tonic-gate } 34087c478bd9Sstevel@tonic-gate f->f_pmask[i >> 3] = (uchar_t)pri; 34097c478bd9Sstevel@tonic-gate } 34107c478bd9Sstevel@tonic-gate while (*p == ',' || *p == ' ') 34117c478bd9Sstevel@tonic-gate p++; 34127c478bd9Sstevel@tonic-gate } 34137c478bd9Sstevel@tonic-gate 34147c478bd9Sstevel@tonic-gate p = q; 34157c478bd9Sstevel@tonic-gate } 34167c478bd9Sstevel@tonic-gate 34177c478bd9Sstevel@tonic-gate /* skip to action part */ 34187c478bd9Sstevel@tonic-gate while (*p == '\t' || *p == ' ') 34197c478bd9Sstevel@tonic-gate p++; 34207c478bd9Sstevel@tonic-gate 34217c478bd9Sstevel@tonic-gate switch (*p) { 34227c478bd9Sstevel@tonic-gate case '\0': 34237c478bd9Sstevel@tonic-gate errno = 0; 34247c478bd9Sstevel@tonic-gate logerror("line %d: no action part", lineno); 34257c478bd9Sstevel@tonic-gate break; 34267c478bd9Sstevel@tonic-gate 34277c478bd9Sstevel@tonic-gate case '@': 34287c478bd9Sstevel@tonic-gate (void) strlcpy(f->f_un.f_forw.f_hname, ++p, SYS_NMLN); 34297c478bd9Sstevel@tonic-gate if (logforward(f, ebuf) != 0) { 34307c478bd9Sstevel@tonic-gate logerror("line %d: %s", lineno, ebuf); 34317c478bd9Sstevel@tonic-gate break; 34327c478bd9Sstevel@tonic-gate } 34337c478bd9Sstevel@tonic-gate f->f_type = F_FORW; 34347c478bd9Sstevel@tonic-gate break; 34357c478bd9Sstevel@tonic-gate 34367c478bd9Sstevel@tonic-gate case '/': 34377c478bd9Sstevel@tonic-gate (void) strlcpy(f->f_un.f_fname, p, MAXPATHLEN); 34387c478bd9Sstevel@tonic-gate if (stat64(p, &sbuf) < 0) { 34397c478bd9Sstevel@tonic-gate logerror(p); 34407c478bd9Sstevel@tonic-gate break; 34417c478bd9Sstevel@tonic-gate } 34427c478bd9Sstevel@tonic-gate /* 34437c478bd9Sstevel@tonic-gate * don't block trying to open a pipe 34447c478bd9Sstevel@tonic-gate * with no reader on the other end 34457c478bd9Sstevel@tonic-gate */ 34467c478bd9Sstevel@tonic-gate fmode = 0; /* reset each pass */ 34477c478bd9Sstevel@tonic-gate if (S_ISFIFO(sbuf.st_mode)) 34487c478bd9Sstevel@tonic-gate fmode = O_NONBLOCK; 34497c478bd9Sstevel@tonic-gate 34507c478bd9Sstevel@tonic-gate f->f_file = open64(p, omode|fmode); 34517c478bd9Sstevel@tonic-gate if (f->f_file < 0) { 34527c478bd9Sstevel@tonic-gate if (fmode && errno == ENXIO) { 34537c478bd9Sstevel@tonic-gate errno = 0; 34547c478bd9Sstevel@tonic-gate logerror("%s - no reader", p); 34557c478bd9Sstevel@tonic-gate } else 34567c478bd9Sstevel@tonic-gate logerror(p); 34577c478bd9Sstevel@tonic-gate break; 34587c478bd9Sstevel@tonic-gate } 34597c478bd9Sstevel@tonic-gate 34607c478bd9Sstevel@tonic-gate /* 34617c478bd9Sstevel@tonic-gate * Fifos are initially opened NONBLOCK 34627c478bd9Sstevel@tonic-gate * to insure we don't hang, but once 34637c478bd9Sstevel@tonic-gate * we are open, we need to change the 34647c478bd9Sstevel@tonic-gate * behavior back to blocking, otherwise 34657c478bd9Sstevel@tonic-gate * we may get write errors, and the log 34667c478bd9Sstevel@tonic-gate * will get closed down the line. 34677c478bd9Sstevel@tonic-gate */ 34687c478bd9Sstevel@tonic-gate if (S_ISFIFO(sbuf.st_mode)) 34697c478bd9Sstevel@tonic-gate (void) fcntl(f->f_file, F_SETFL, omode); 34707c478bd9Sstevel@tonic-gate 34717c478bd9Sstevel@tonic-gate if (isatty(f->f_file)) { 34727c478bd9Sstevel@tonic-gate f->f_type = F_TTY; 34737c478bd9Sstevel@tonic-gate untty(); 34747c478bd9Sstevel@tonic-gate } else 34757c478bd9Sstevel@tonic-gate f->f_type = F_FILE; 34767c478bd9Sstevel@tonic-gate 34777c478bd9Sstevel@tonic-gate if ((strcmp(p, ctty) == 0) || (strcmp(p, sysmsg) == 0)) 34787c478bd9Sstevel@tonic-gate f->f_type = F_CONSOLE; 34797c478bd9Sstevel@tonic-gate break; 34807c478bd9Sstevel@tonic-gate 34817c478bd9Sstevel@tonic-gate case '*': 34827c478bd9Sstevel@tonic-gate f->f_type = F_WALL; 34837c478bd9Sstevel@tonic-gate break; 34847c478bd9Sstevel@tonic-gate 34857c478bd9Sstevel@tonic-gate default: 34867c478bd9Sstevel@tonic-gate for (i = 0; i < MAXUNAMES && *p; i++) { 34877c478bd9Sstevel@tonic-gate for (q = p; *q && *q != ','; ) 34887c478bd9Sstevel@tonic-gate q++; 34897c478bd9Sstevel@tonic-gate (void) strlcpy(f->f_un.f_uname[i], p, UNAMESZ); 34907c478bd9Sstevel@tonic-gate if ((q - p) > UNAMESZ) 34917c478bd9Sstevel@tonic-gate f->f_un.f_uname[i][UNAMESZ] = '\0'; 34927c478bd9Sstevel@tonic-gate else 34937c478bd9Sstevel@tonic-gate f->f_un.f_uname[i][q - p] = '\0'; 34947c478bd9Sstevel@tonic-gate while (*q == ',' || *q == ' ') 34957c478bd9Sstevel@tonic-gate q++; 34967c478bd9Sstevel@tonic-gate p = q; 34977c478bd9Sstevel@tonic-gate } 34987c478bd9Sstevel@tonic-gate f->f_type = F_USERS; 34997c478bd9Sstevel@tonic-gate break; 35007c478bd9Sstevel@tonic-gate } 35017c478bd9Sstevel@tonic-gate f->f_orig_type = f->f_type; 35027c478bd9Sstevel@tonic-gate } 35037c478bd9Sstevel@tonic-gate 35047c478bd9Sstevel@tonic-gate 35057c478bd9Sstevel@tonic-gate /* 35067c478bd9Sstevel@tonic-gate * Decode a symbolic name to a numeric value 35077c478bd9Sstevel@tonic-gate */ 35087c478bd9Sstevel@tonic-gate static int 35097c478bd9Sstevel@tonic-gate decode(char *name, struct code *codetab) 35107c478bd9Sstevel@tonic-gate { 35117c478bd9Sstevel@tonic-gate struct code *c; 35127c478bd9Sstevel@tonic-gate char *p; 35137c478bd9Sstevel@tonic-gate char buf[40]; 35147c478bd9Sstevel@tonic-gate 35157c478bd9Sstevel@tonic-gate if (isdigit(*name)) 35167c478bd9Sstevel@tonic-gate return (atoi(name)); 35177c478bd9Sstevel@tonic-gate 35187c478bd9Sstevel@tonic-gate (void) strncpy(buf, name, sizeof (buf) - 1); 35197c478bd9Sstevel@tonic-gate for (p = buf; *p; p++) 35207c478bd9Sstevel@tonic-gate if (isupper(*p)) 35217c478bd9Sstevel@tonic-gate *p = tolower(*p); 35227c478bd9Sstevel@tonic-gate for (c = codetab; c->c_name; c++) 35237c478bd9Sstevel@tonic-gate if (!(strcmp(buf, c->c_name))) 35247c478bd9Sstevel@tonic-gate return (c->c_val); 35257c478bd9Sstevel@tonic-gate 35267c478bd9Sstevel@tonic-gate return (-1); 35277c478bd9Sstevel@tonic-gate } 35287c478bd9Sstevel@tonic-gate 35297c478bd9Sstevel@tonic-gate static int 35307c478bd9Sstevel@tonic-gate ismyaddr(struct netbuf *nbp) 35317c478bd9Sstevel@tonic-gate { 35327c478bd9Sstevel@tonic-gate int i; 35337c478bd9Sstevel@tonic-gate 35347c478bd9Sstevel@tonic-gate if (nbp == NULL) 35357c478bd9Sstevel@tonic-gate return (0); 35367c478bd9Sstevel@tonic-gate 35377c478bd9Sstevel@tonic-gate for (i = 1; i < Ninputs; i++) { 35387c478bd9Sstevel@tonic-gate if (same_addr(nbp, Myaddrs[i])) 35397c478bd9Sstevel@tonic-gate return (1); 35407c478bd9Sstevel@tonic-gate } 35417c478bd9Sstevel@tonic-gate return (0); 35427c478bd9Sstevel@tonic-gate } 35437c478bd9Sstevel@tonic-gate 35447c478bd9Sstevel@tonic-gate static void 35457c478bd9Sstevel@tonic-gate getnets(void) 35467c478bd9Sstevel@tonic-gate { 35477c478bd9Sstevel@tonic-gate struct nd_hostserv hs; 35487c478bd9Sstevel@tonic-gate struct netconfig *ncp; 35497c478bd9Sstevel@tonic-gate struct nd_addrlist *nap; 35507c478bd9Sstevel@tonic-gate struct netbuf *nbp; 35517c478bd9Sstevel@tonic-gate int i, inputs; 35527c478bd9Sstevel@tonic-gate void *handle; 35537c478bd9Sstevel@tonic-gate char *uap; 35547c478bd9Sstevel@tonic-gate pthread_t mythreadno; 35557c478bd9Sstevel@tonic-gate 35567c478bd9Sstevel@tonic-gate if (Debug) { 35577c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 35587c478bd9Sstevel@tonic-gate } 35597c478bd9Sstevel@tonic-gate 35607c478bd9Sstevel@tonic-gate if (turnoff) { 35617c478bd9Sstevel@tonic-gate DPRINT1(1, "getnets(%u): network is being turned off\n", 35627c478bd9Sstevel@tonic-gate mythreadno); 35637c478bd9Sstevel@tonic-gate return; 35647c478bd9Sstevel@tonic-gate } 35657c478bd9Sstevel@tonic-gate 35667c478bd9Sstevel@tonic-gate hs.h_host = HOST_SELF; 35677c478bd9Sstevel@tonic-gate hs.h_serv = "syslog"; 35687c478bd9Sstevel@tonic-gate 35697c478bd9Sstevel@tonic-gate if ((handle = setnetconfig()) == NULL) { 35707c478bd9Sstevel@tonic-gate return; 35717c478bd9Sstevel@tonic-gate } 35727c478bd9Sstevel@tonic-gate 35737c478bd9Sstevel@tonic-gate while ((ncp = getnetconfig(handle)) != NULL) { 35747c478bd9Sstevel@tonic-gate if (ncp->nc_semantics != NC_TPI_CLTS) { 35757c478bd9Sstevel@tonic-gate continue; 35767c478bd9Sstevel@tonic-gate } 35777c478bd9Sstevel@tonic-gate 35787c478bd9Sstevel@tonic-gate if (netdir_getbyname(ncp, &hs, &nap) != 0) { 35797c478bd9Sstevel@tonic-gate continue; 35807c478bd9Sstevel@tonic-gate } 35817c478bd9Sstevel@tonic-gate 35827c478bd9Sstevel@tonic-gate if (nap == NULL || nap->n_cnt <= 0) { 35837c478bd9Sstevel@tonic-gate DPRINT1(1, "getnets(%u): found no address\n", 35847c478bd9Sstevel@tonic-gate mythreadno); 35857c478bd9Sstevel@tonic-gate netdir_free((void *)nap, ND_ADDRLIST); 35867c478bd9Sstevel@tonic-gate continue; 35877c478bd9Sstevel@tonic-gate } 35887c478bd9Sstevel@tonic-gate 35897c478bd9Sstevel@tonic-gate if (Debug) { 35907c478bd9Sstevel@tonic-gate DPRINT2(1, "getnets(%u): found %d addresses", 35917c478bd9Sstevel@tonic-gate mythreadno, nap->n_cnt); 35927c478bd9Sstevel@tonic-gate DPRINT0(1, ", they are: "); 35937c478bd9Sstevel@tonic-gate nbp = nap->n_addrs; 35947c478bd9Sstevel@tonic-gate 35957c478bd9Sstevel@tonic-gate for (i = 0; i < nap->n_cnt; i++) { 35967c478bd9Sstevel@tonic-gate if ((uap = taddr2uaddr(ncp, nbp)) != NULL) { 35977c478bd9Sstevel@tonic-gate DPRINT1(1, "%s ", uap); 35987c478bd9Sstevel@tonic-gate free(uap); 35997c478bd9Sstevel@tonic-gate } 36007c478bd9Sstevel@tonic-gate nbp++; 36017c478bd9Sstevel@tonic-gate } 36027c478bd9Sstevel@tonic-gate 36037c478bd9Sstevel@tonic-gate DPRINT0(1, "\n"); 36047c478bd9Sstevel@tonic-gate } 36057c478bd9Sstevel@tonic-gate 36067c478bd9Sstevel@tonic-gate inputs = Ninputs + nap->n_cnt; 36077c478bd9Sstevel@tonic-gate 36087c478bd9Sstevel@tonic-gate Nfd = realloc(Nfd, inputs * sizeof (struct pollfd)); 36097c478bd9Sstevel@tonic-gate Ncf = realloc(Ncf, inputs * sizeof (struct netconfig)); 36107c478bd9Sstevel@tonic-gate Myaddrs = realloc(Myaddrs, inputs * sizeof (struct netbuf *)); 36117c478bd9Sstevel@tonic-gate Udp = realloc(Udp, inputs * sizeof (struct t_unitdata *)); 36127c478bd9Sstevel@tonic-gate Errp = realloc(Errp, inputs * sizeof (struct t_uderr *)); 36137c478bd9Sstevel@tonic-gate 36147c478bd9Sstevel@tonic-gate /* 36157c478bd9Sstevel@tonic-gate * all malloc failures here are fatal 36167c478bd9Sstevel@tonic-gate */ 36177c478bd9Sstevel@tonic-gate if (Nfd == NULL || Ncf == NULL || Myaddrs == NULL || 36187c478bd9Sstevel@tonic-gate Udp == NULL || Errp == NULL) { 36197c478bd9Sstevel@tonic-gate MALLOC_FAIL_EXIT; 36207c478bd9Sstevel@tonic-gate } 36217c478bd9Sstevel@tonic-gate 36227c478bd9Sstevel@tonic-gate nbp = nap->n_addrs; 36237c478bd9Sstevel@tonic-gate 36247c478bd9Sstevel@tonic-gate for (i = 0; i < nap->n_cnt; i++, nbp++) { 36257c478bd9Sstevel@tonic-gate char ebuf[128]; 36267c478bd9Sstevel@tonic-gate 36277c478bd9Sstevel@tonic-gate if (addnet(ncp, nbp) == 0) { 36287c478bd9Sstevel@tonic-gate /* no error */ 36297c478bd9Sstevel@tonic-gate continue; 36307c478bd9Sstevel@tonic-gate } 36317c478bd9Sstevel@tonic-gate 36327c478bd9Sstevel@tonic-gate (void) strcpy(ebuf, "Unable to configure syslog port"); 36337c478bd9Sstevel@tonic-gate 36347c478bd9Sstevel@tonic-gate if ((uap = taddr2uaddr(ncp, nbp)) != NULL) { 36357c478bd9Sstevel@tonic-gate size_t l = strlen(ebuf); 36367c478bd9Sstevel@tonic-gate (void) snprintf(ebuf + l, sizeof (ebuf) - l, 36377c478bd9Sstevel@tonic-gate " for %s", uap); 36387c478bd9Sstevel@tonic-gate } 36397c478bd9Sstevel@tonic-gate 36407c478bd9Sstevel@tonic-gate DPRINT2(1, "getnets(%u): %s", 36417c478bd9Sstevel@tonic-gate mythreadno, ebuf); 36427c478bd9Sstevel@tonic-gate 36437c478bd9Sstevel@tonic-gate if (uap) { 36447c478bd9Sstevel@tonic-gate free(uap); 36457c478bd9Sstevel@tonic-gate } 36467c478bd9Sstevel@tonic-gate 36477c478bd9Sstevel@tonic-gate logerror(ebuf); 36487c478bd9Sstevel@tonic-gate /* 36497c478bd9Sstevel@tonic-gate * Here maybe syslogd can quit. However, syslogd 36507c478bd9Sstevel@tonic-gate * has been ignoring this error and keep running. 36517c478bd9Sstevel@tonic-gate * So we won't break it. 36527c478bd9Sstevel@tonic-gate */ 36537c478bd9Sstevel@tonic-gate } 36547c478bd9Sstevel@tonic-gate 36557c478bd9Sstevel@tonic-gate netdir_free((void *)nap, ND_ADDRLIST); 36567c478bd9Sstevel@tonic-gate } 36577c478bd9Sstevel@tonic-gate 36587c478bd9Sstevel@tonic-gate (void) endnetconfig(handle); 36597c478bd9Sstevel@tonic-gate } 36607c478bd9Sstevel@tonic-gate 36617c478bd9Sstevel@tonic-gate /* 36627c478bd9Sstevel@tonic-gate * Open the network device, and allocate necessary resources. 36637c478bd9Sstevel@tonic-gate * Myaddrs will also be filled, so that we can call ismyaddr() before 36647c478bd9Sstevel@tonic-gate * being bound to the network. 36657c478bd9Sstevel@tonic-gate */ 36667c478bd9Sstevel@tonic-gate static int 36677c478bd9Sstevel@tonic-gate addnet(struct netconfig *ncp, struct netbuf *nbp) 36687c478bd9Sstevel@tonic-gate { 36697c478bd9Sstevel@tonic-gate int fd; 36707c478bd9Sstevel@tonic-gate struct netbuf *bp; 36717c478bd9Sstevel@tonic-gate 36727c478bd9Sstevel@tonic-gate fd = t_open(ncp->nc_device, O_RDWR, NULL); 36737c478bd9Sstevel@tonic-gate 36747c478bd9Sstevel@tonic-gate if (fd < 0) { 36757c478bd9Sstevel@tonic-gate return (1); 36767c478bd9Sstevel@tonic-gate } 36777c478bd9Sstevel@tonic-gate 36787c478bd9Sstevel@tonic-gate (void) memcpy(&Ncf[Ninputs], ncp, sizeof (struct netconfig)); 36797c478bd9Sstevel@tonic-gate 36807c478bd9Sstevel@tonic-gate /*LINTED*/ 36817c478bd9Sstevel@tonic-gate Udp[Ninputs] = (struct t_unitdata *)t_alloc(fd, T_UNITDATA, T_ADDR); 36827c478bd9Sstevel@tonic-gate 36837c478bd9Sstevel@tonic-gate if (Udp[Ninputs] == NULL) { 36847c478bd9Sstevel@tonic-gate t_close(fd); 36857c478bd9Sstevel@tonic-gate return (1); 36867c478bd9Sstevel@tonic-gate } 36877c478bd9Sstevel@tonic-gate 36887c478bd9Sstevel@tonic-gate /*LINTED*/ 36897c478bd9Sstevel@tonic-gate Errp[Ninputs] = (struct t_uderr *)t_alloc(fd, T_UDERROR, T_ADDR); 36907c478bd9Sstevel@tonic-gate 36917c478bd9Sstevel@tonic-gate if (Errp[Ninputs] == NULL) { 36927c478bd9Sstevel@tonic-gate t_close(fd); 36937c478bd9Sstevel@tonic-gate t_free((char *)Udp[Ninputs], T_UNITDATA); 36947c478bd9Sstevel@tonic-gate return (1); 36957c478bd9Sstevel@tonic-gate } 36967c478bd9Sstevel@tonic-gate 36977c478bd9Sstevel@tonic-gate if ((bp = malloc(sizeof (struct netbuf))) == NULL || 36987c478bd9Sstevel@tonic-gate (bp->buf = malloc(nbp->len)) == NULL) { 36997c478bd9Sstevel@tonic-gate MALLOC_FAIL("allocating address buffer"); 37007c478bd9Sstevel@tonic-gate t_close(fd); 37017c478bd9Sstevel@tonic-gate t_free((char *)Udp[Ninputs], T_UNITDATA); 37027c478bd9Sstevel@tonic-gate t_free((char *)Errp[Ninputs], T_UDERROR); 37037c478bd9Sstevel@tonic-gate 37047c478bd9Sstevel@tonic-gate if (bp) { 37057c478bd9Sstevel@tonic-gate free(bp); 37067c478bd9Sstevel@tonic-gate } 37077c478bd9Sstevel@tonic-gate 37087c478bd9Sstevel@tonic-gate return (1); 37097c478bd9Sstevel@tonic-gate } 37107c478bd9Sstevel@tonic-gate 37117c478bd9Sstevel@tonic-gate bp->len = nbp->len; 37127c478bd9Sstevel@tonic-gate (void) memcpy(bp->buf, nbp->buf, nbp->len); 37137c478bd9Sstevel@tonic-gate Myaddrs[Ninputs] = bp; 37147c478bd9Sstevel@tonic-gate 37157c478bd9Sstevel@tonic-gate Nfd[Ninputs].fd = fd; 37167c478bd9Sstevel@tonic-gate Nfd[Ninputs].events = POLLIN; 37177c478bd9Sstevel@tonic-gate Ninputs++; 37187c478bd9Sstevel@tonic-gate return (0); 37197c478bd9Sstevel@tonic-gate } 37207c478bd9Sstevel@tonic-gate 37217c478bd9Sstevel@tonic-gate /* 37227c478bd9Sstevel@tonic-gate * Allocate UDP buffer to minimize packet loss. 37237c478bd9Sstevel@tonic-gate */ 37247c478bd9Sstevel@tonic-gate static void 37257c478bd9Sstevel@tonic-gate set_udp_buffer(int fd) 37267c478bd9Sstevel@tonic-gate { 37277c478bd9Sstevel@tonic-gate struct t_optmgmt req, resp; 37287c478bd9Sstevel@tonic-gate struct opthdr *opt; 37297c478bd9Sstevel@tonic-gate size_t optsize, bsize = 256 * 1024; 37307c478bd9Sstevel@tonic-gate pthread_t mythreadno; 37317c478bd9Sstevel@tonic-gate 37327c478bd9Sstevel@tonic-gate if (Debug) { 37337c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 37347c478bd9Sstevel@tonic-gate } 37357c478bd9Sstevel@tonic-gate 37367c478bd9Sstevel@tonic-gate optsize = sizeof (struct opthdr) + sizeof (int); 37377c478bd9Sstevel@tonic-gate if ((opt = malloc(optsize)) == NULL) { 37387c478bd9Sstevel@tonic-gate MALLOC_FAIL("will have no udp buffer"); 37397c478bd9Sstevel@tonic-gate return; 37407c478bd9Sstevel@tonic-gate } 37417c478bd9Sstevel@tonic-gate opt->level = SOL_SOCKET; 37427c478bd9Sstevel@tonic-gate opt->name = SO_RCVBUF; 37437c478bd9Sstevel@tonic-gate opt->len = sizeof (int); 37447c478bd9Sstevel@tonic-gate *(int *)(opt + 1) = bsize; 37457c478bd9Sstevel@tonic-gate 37467c478bd9Sstevel@tonic-gate req.flags = T_NEGOTIATE; 37477c478bd9Sstevel@tonic-gate req.opt.len = optsize; 37487c478bd9Sstevel@tonic-gate req.opt.buf = (char *)opt; 37497c478bd9Sstevel@tonic-gate 37507c478bd9Sstevel@tonic-gate resp.flags = 0; 37517c478bd9Sstevel@tonic-gate resp.opt.maxlen = optsize; 37527c478bd9Sstevel@tonic-gate resp.opt.buf = (char *)opt; 37537c478bd9Sstevel@tonic-gate 37547c478bd9Sstevel@tonic-gate while (t_optmgmt(fd, &req, &resp) == -1 || resp.flags != T_SUCCESS) { 37557c478bd9Sstevel@tonic-gate if (t_errno != TSYSERR || errno != ENOBUFS) { 37567c478bd9Sstevel@tonic-gate bsize = 0; 37577c478bd9Sstevel@tonic-gate break; 37587c478bd9Sstevel@tonic-gate } 37597c478bd9Sstevel@tonic-gate bsize >>= 1; 37607c478bd9Sstevel@tonic-gate if (bsize < 8192) { 37617c478bd9Sstevel@tonic-gate break; 37627c478bd9Sstevel@tonic-gate } 37637c478bd9Sstevel@tonic-gate *(int *)(opt + 1) = bsize; 37647c478bd9Sstevel@tonic-gate } 37657c478bd9Sstevel@tonic-gate if (bsize == 0) { 37667c478bd9Sstevel@tonic-gate logerror("failed to allocate UDP buffer"); 37677c478bd9Sstevel@tonic-gate } 37687c478bd9Sstevel@tonic-gate DPRINT3(1, "set_udp_buffer(%u): allocate %d for fd %d\n", 37697c478bd9Sstevel@tonic-gate mythreadno, bsize, fd); 37707c478bd9Sstevel@tonic-gate free(opt); 37717c478bd9Sstevel@tonic-gate } 37727c478bd9Sstevel@tonic-gate 37737c478bd9Sstevel@tonic-gate /* 37747c478bd9Sstevel@tonic-gate * Attach the network, and allocate UDP buffer for the interface. 37757c478bd9Sstevel@tonic-gate */ 37767c478bd9Sstevel@tonic-gate static void 37777c478bd9Sstevel@tonic-gate bindnet(void) 37787c478bd9Sstevel@tonic-gate { 37797c478bd9Sstevel@tonic-gate struct t_bind bind, *bound; 37807c478bd9Sstevel@tonic-gate int cnt, i; 37817c478bd9Sstevel@tonic-gate char *uap; 37827c478bd9Sstevel@tonic-gate pthread_t mythreadno; 37837c478bd9Sstevel@tonic-gate 37847c478bd9Sstevel@tonic-gate if (Debug) { 37857c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 37867c478bd9Sstevel@tonic-gate } 37877c478bd9Sstevel@tonic-gate 37887c478bd9Sstevel@tonic-gate cnt = 0; 37897c478bd9Sstevel@tonic-gate 37907c478bd9Sstevel@tonic-gate while (cnt < Ninputs) { 37917c478bd9Sstevel@tonic-gate char ebuf[128]; 37927c478bd9Sstevel@tonic-gate 37937c478bd9Sstevel@tonic-gate /*LINTED*/ 37947c478bd9Sstevel@tonic-gate bound = (struct t_bind *)t_alloc(Nfd[cnt].fd, T_BIND, T_ADDR); 37957c478bd9Sstevel@tonic-gate bind.addr = *Myaddrs[cnt]; 37967c478bd9Sstevel@tonic-gate bind.qlen = 0; 37977c478bd9Sstevel@tonic-gate 37987c478bd9Sstevel@tonic-gate if (t_bind(Nfd[cnt].fd, &bind, bound) == 0) { 37997c478bd9Sstevel@tonic-gate if (same_addr(&bind.addr, &bound->addr)) { 38007c478bd9Sstevel@tonic-gate t_free((char *)bound, T_BIND); 38017c478bd9Sstevel@tonic-gate set_udp_buffer(Nfd[cnt].fd); 38027c478bd9Sstevel@tonic-gate cnt++; 38037c478bd9Sstevel@tonic-gate continue; 38047c478bd9Sstevel@tonic-gate } 38057c478bd9Sstevel@tonic-gate } 38067c478bd9Sstevel@tonic-gate 38077c478bd9Sstevel@tonic-gate /* failed to bind port */ 38087c478bd9Sstevel@tonic-gate t_free((char *)bound, T_BIND); 38097c478bd9Sstevel@tonic-gate 38107c478bd9Sstevel@tonic-gate (void) strcpy(ebuf, "Unable to bind syslog port"); 38117c478bd9Sstevel@tonic-gate 38127c478bd9Sstevel@tonic-gate uap = taddr2uaddr(&Ncf[cnt], Myaddrs[cnt]); 38137c478bd9Sstevel@tonic-gate if (uap) { 38147c478bd9Sstevel@tonic-gate i = strlen(ebuf); 38157c478bd9Sstevel@tonic-gate (void) snprintf(ebuf + i, sizeof (ebuf) - i, 38167c478bd9Sstevel@tonic-gate " for %s", uap); 38177c478bd9Sstevel@tonic-gate } 38187c478bd9Sstevel@tonic-gate 38197c478bd9Sstevel@tonic-gate DPRINT2(1, "bindnet(%u): failed to bind port (%s)\n", 38207c478bd9Sstevel@tonic-gate mythreadno, uap ? uap : "<unknown>"); 38217c478bd9Sstevel@tonic-gate 38227c478bd9Sstevel@tonic-gate if (uap) { 38237c478bd9Sstevel@tonic-gate free(uap); 38247c478bd9Sstevel@tonic-gate } 38257c478bd9Sstevel@tonic-gate 38267c478bd9Sstevel@tonic-gate errno = 0; 38277c478bd9Sstevel@tonic-gate logerror(ebuf); 38287c478bd9Sstevel@tonic-gate 38297c478bd9Sstevel@tonic-gate t_close(Nfd[cnt].fd); 38307c478bd9Sstevel@tonic-gate free(Myaddrs[cnt]->buf); 38317c478bd9Sstevel@tonic-gate free(Myaddrs[cnt]); 38327c478bd9Sstevel@tonic-gate t_free((char *)Udp[cnt], T_UNITDATA); 38337c478bd9Sstevel@tonic-gate t_free((char *)Errp[cnt], T_UDERROR); 38347c478bd9Sstevel@tonic-gate 38357c478bd9Sstevel@tonic-gate for (i = cnt; i < (Ninputs-1); i++) { 38367c478bd9Sstevel@tonic-gate Nfd[i] = Nfd[i + 1]; 38377c478bd9Sstevel@tonic-gate Ncf[i] = Ncf[i + 1]; 38387c478bd9Sstevel@tonic-gate Myaddrs[i] = Myaddrs[i + 1]; 38397c478bd9Sstevel@tonic-gate Udp[i] = Udp[i + 1]; 38407c478bd9Sstevel@tonic-gate Errp[i] = Errp[i + 1]; 38417c478bd9Sstevel@tonic-gate } 38427c478bd9Sstevel@tonic-gate 38437c478bd9Sstevel@tonic-gate Ninputs--; 38447c478bd9Sstevel@tonic-gate } 38457c478bd9Sstevel@tonic-gate } 38467c478bd9Sstevel@tonic-gate 38477c478bd9Sstevel@tonic-gate static int 38487c478bd9Sstevel@tonic-gate logforward(struct filed *f, char *ebuf) 38497c478bd9Sstevel@tonic-gate { 38507c478bd9Sstevel@tonic-gate struct nd_hostserv hs; 38517c478bd9Sstevel@tonic-gate struct netbuf *nbp; 38527c478bd9Sstevel@tonic-gate struct netconfig *ncp; 38537c478bd9Sstevel@tonic-gate struct nd_addrlist *nap; 38547c478bd9Sstevel@tonic-gate void *handle; 38557c478bd9Sstevel@tonic-gate char *hp; 38567c478bd9Sstevel@tonic-gate 38577c478bd9Sstevel@tonic-gate hp = f->f_un.f_forw.f_hname; 38587c478bd9Sstevel@tonic-gate hs.h_host = hp; 38597c478bd9Sstevel@tonic-gate hs.h_serv = "syslog"; 38607c478bd9Sstevel@tonic-gate 38617c478bd9Sstevel@tonic-gate if ((handle = setnetconfig()) == NULL) { 38627c478bd9Sstevel@tonic-gate (void) strcpy(ebuf, 38637c478bd9Sstevel@tonic-gate "unable to rewind the netconfig database"); 38647c478bd9Sstevel@tonic-gate errno = 0; 38657c478bd9Sstevel@tonic-gate return (-1); 38667c478bd9Sstevel@tonic-gate } 38677c478bd9Sstevel@tonic-gate nap = (struct nd_addrlist *)NULL; 38687c478bd9Sstevel@tonic-gate while ((ncp = getnetconfig(handle)) != NULL) { 38697c478bd9Sstevel@tonic-gate if (ncp->nc_semantics == NC_TPI_CLTS) { 38707c478bd9Sstevel@tonic-gate if (netdir_getbyname(ncp, &hs, &nap) == 0) { 38717c478bd9Sstevel@tonic-gate if (!nap) 38727c478bd9Sstevel@tonic-gate continue; 38737c478bd9Sstevel@tonic-gate nbp = nap->n_addrs; 38747c478bd9Sstevel@tonic-gate break; 38757c478bd9Sstevel@tonic-gate } 38767c478bd9Sstevel@tonic-gate } 38777c478bd9Sstevel@tonic-gate } 38787c478bd9Sstevel@tonic-gate if (ncp == NULL) { 38797c478bd9Sstevel@tonic-gate endnetconfig(handle); 38807c478bd9Sstevel@tonic-gate (void) sprintf(ebuf, "WARNING: %s could not be resolved", hp); 38817c478bd9Sstevel@tonic-gate errno = 0; 38827c478bd9Sstevel@tonic-gate return (-1); 38837c478bd9Sstevel@tonic-gate } 38847c478bd9Sstevel@tonic-gate if (nap == (struct nd_addrlist *)NULL) { 38857c478bd9Sstevel@tonic-gate endnetconfig(handle); 38867c478bd9Sstevel@tonic-gate (void) sprintf(ebuf, "unknown host %s", hp); 38877c478bd9Sstevel@tonic-gate errno = 0; 38887c478bd9Sstevel@tonic-gate return (-1); 38897c478bd9Sstevel@tonic-gate } 38907c478bd9Sstevel@tonic-gate /* CSTYLED */ 38917c478bd9Sstevel@tonic-gate if (ismyaddr(nbp)) { /*lint !e644 */ 38927c478bd9Sstevel@tonic-gate netdir_free((void *)nap, ND_ADDRLIST); 38937c478bd9Sstevel@tonic-gate endnetconfig(handle); 38947c478bd9Sstevel@tonic-gate (void) sprintf(ebuf, "host %s is this host - logging loop", 38957c478bd9Sstevel@tonic-gate hp); 38967c478bd9Sstevel@tonic-gate errno = 0; 38977c478bd9Sstevel@tonic-gate return (-1); 38987c478bd9Sstevel@tonic-gate } 38997c478bd9Sstevel@tonic-gate f->f_un.f_forw.f_addr.buf = malloc(nbp->len); 39007c478bd9Sstevel@tonic-gate if (f->f_un.f_forw.f_addr.buf == NULL) { 39017c478bd9Sstevel@tonic-gate netdir_free((void *)nap, ND_ADDRLIST); 39027c478bd9Sstevel@tonic-gate endnetconfig(handle); 39037c478bd9Sstevel@tonic-gate (void) strcpy(ebuf, "malloc failed"); 39047c478bd9Sstevel@tonic-gate return (-1); 39057c478bd9Sstevel@tonic-gate } 39067c478bd9Sstevel@tonic-gate bcopy(nbp->buf, f->f_un.f_forw.f_addr.buf, nbp->len); 39077c478bd9Sstevel@tonic-gate f->f_un.f_forw.f_addr.len = nbp->len; 39087c478bd9Sstevel@tonic-gate f->f_file = t_open(ncp->nc_device, O_RDWR, NULL); 39097c478bd9Sstevel@tonic-gate if (f->f_file < 0) { 39107c478bd9Sstevel@tonic-gate netdir_free((void *)nap, ND_ADDRLIST); 39117c478bd9Sstevel@tonic-gate endnetconfig(handle); 39127c478bd9Sstevel@tonic-gate free(f->f_un.f_forw.f_addr.buf); 39137c478bd9Sstevel@tonic-gate (void) strcpy(ebuf, "t_open"); 39147c478bd9Sstevel@tonic-gate return (-1); 39157c478bd9Sstevel@tonic-gate } 39167c478bd9Sstevel@tonic-gate netdir_free((void *)nap, ND_ADDRLIST); 39177c478bd9Sstevel@tonic-gate endnetconfig(handle); 39187c478bd9Sstevel@tonic-gate if (t_bind(f->f_file, NULL, NULL) < 0) { 39197c478bd9Sstevel@tonic-gate (void) strcpy(ebuf, "t_bind"); 39207c478bd9Sstevel@tonic-gate free(f->f_un.f_forw.f_addr.buf); 39217c478bd9Sstevel@tonic-gate t_close(f->f_file); 39227c478bd9Sstevel@tonic-gate return (-1); 39237c478bd9Sstevel@tonic-gate } 39247c478bd9Sstevel@tonic-gate return (0); 39257c478bd9Sstevel@tonic-gate } 39267c478bd9Sstevel@tonic-gate 39277c478bd9Sstevel@tonic-gate static int 39287c478bd9Sstevel@tonic-gate amiloghost(void) 39297c478bd9Sstevel@tonic-gate { 39307c478bd9Sstevel@tonic-gate struct nd_hostserv hs; 39317c478bd9Sstevel@tonic-gate struct netconfig *ncp; 39327c478bd9Sstevel@tonic-gate struct nd_addrlist *nap; 39337c478bd9Sstevel@tonic-gate struct netbuf *nbp; 39347c478bd9Sstevel@tonic-gate int i, fd; 39357c478bd9Sstevel@tonic-gate void *handle; 39367c478bd9Sstevel@tonic-gate char *uap; 39377c478bd9Sstevel@tonic-gate struct t_bind bind, *bound; 39387c478bd9Sstevel@tonic-gate pthread_t mythreadno; 39397c478bd9Sstevel@tonic-gate 39407c478bd9Sstevel@tonic-gate if (Debug) { 39417c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 39427c478bd9Sstevel@tonic-gate } 39437c478bd9Sstevel@tonic-gate 39447c478bd9Sstevel@tonic-gate /* 39457c478bd9Sstevel@tonic-gate * we need to know if we are running on the loghost. This is 39467c478bd9Sstevel@tonic-gate * checked by binding to the address associated with "loghost" 39477c478bd9Sstevel@tonic-gate * and "syslogd" service over the connectionless transport 39487c478bd9Sstevel@tonic-gate */ 39497c478bd9Sstevel@tonic-gate hs.h_host = "loghost"; 39507c478bd9Sstevel@tonic-gate hs.h_serv = "syslog"; 39517c478bd9Sstevel@tonic-gate 39527c478bd9Sstevel@tonic-gate if ((handle = setnetconfig()) == NULL) { 39537c478bd9Sstevel@tonic-gate return (0); 39547c478bd9Sstevel@tonic-gate } 39557c478bd9Sstevel@tonic-gate 39567c478bd9Sstevel@tonic-gate while ((ncp = getnetconfig(handle)) != NULL) { 39577c478bd9Sstevel@tonic-gate if (ncp->nc_semantics != NC_TPI_CLTS) { 39587c478bd9Sstevel@tonic-gate continue; 39597c478bd9Sstevel@tonic-gate } 39607c478bd9Sstevel@tonic-gate 39617c478bd9Sstevel@tonic-gate if (netdir_getbyname(ncp, &hs, &nap) != 0) { 39627c478bd9Sstevel@tonic-gate continue; 39637c478bd9Sstevel@tonic-gate } 39647c478bd9Sstevel@tonic-gate 39657c478bd9Sstevel@tonic-gate if (nap == NULL) { 39667c478bd9Sstevel@tonic-gate continue; 39677c478bd9Sstevel@tonic-gate } 39687c478bd9Sstevel@tonic-gate 39697c478bd9Sstevel@tonic-gate nbp = nap->n_addrs; 39707c478bd9Sstevel@tonic-gate 39717c478bd9Sstevel@tonic-gate for (i = 0; i < nap->n_cnt; i++) { 39727c478bd9Sstevel@tonic-gate if ((uap = taddr2uaddr(ncp, nbp)) != (char *)NULL) { 39737c478bd9Sstevel@tonic-gate DPRINT2(1, "amiloghost(%u): testing %s\n", 39747c478bd9Sstevel@tonic-gate mythreadno, uap); 39757c478bd9Sstevel@tonic-gate } 39767c478bd9Sstevel@tonic-gate 39777c478bd9Sstevel@tonic-gate free(uap); 39787c478bd9Sstevel@tonic-gate 39797c478bd9Sstevel@tonic-gate fd = t_open(ncp->nc_device, O_RDWR, NULL); 39807c478bd9Sstevel@tonic-gate 39817c478bd9Sstevel@tonic-gate if (fd < 0) { 39827c478bd9Sstevel@tonic-gate netdir_free((void *)nap, ND_ADDRLIST); 39837c478bd9Sstevel@tonic-gate endnetconfig(handle); 39847c478bd9Sstevel@tonic-gate return (0); 39857c478bd9Sstevel@tonic-gate } 39867c478bd9Sstevel@tonic-gate 39877c478bd9Sstevel@tonic-gate /*LINTED*/ 39887c478bd9Sstevel@tonic-gate bound = (struct t_bind *)t_alloc(fd, T_BIND, T_ADDR); 39897c478bd9Sstevel@tonic-gate bind.addr = *nbp; 39907c478bd9Sstevel@tonic-gate bind.qlen = 0; 39917c478bd9Sstevel@tonic-gate 39927c478bd9Sstevel@tonic-gate if (t_bind(fd, &bind, bound) == 0) { 39937c478bd9Sstevel@tonic-gate t_close(fd); 39947c478bd9Sstevel@tonic-gate t_free((char *)bound, T_BIND); 39957c478bd9Sstevel@tonic-gate netdir_free((void *)nap, ND_ADDRLIST); 39967c478bd9Sstevel@tonic-gate endnetconfig(handle); 39977c478bd9Sstevel@tonic-gate return (1); 39987c478bd9Sstevel@tonic-gate } else { 39997c478bd9Sstevel@tonic-gate t_close(fd); 40007c478bd9Sstevel@tonic-gate t_free((char *)bound, T_BIND); 40017c478bd9Sstevel@tonic-gate } 40027c478bd9Sstevel@tonic-gate 40037c478bd9Sstevel@tonic-gate nbp++; 40047c478bd9Sstevel@tonic-gate } 40057c478bd9Sstevel@tonic-gate 40067c478bd9Sstevel@tonic-gate netdir_free((void *)nap, ND_ADDRLIST); 40077c478bd9Sstevel@tonic-gate } 40087c478bd9Sstevel@tonic-gate 40097c478bd9Sstevel@tonic-gate endnetconfig(handle); 40107c478bd9Sstevel@tonic-gate return (0); 40117c478bd9Sstevel@tonic-gate } 40127c478bd9Sstevel@tonic-gate 40137c478bd9Sstevel@tonic-gate int 40147c478bd9Sstevel@tonic-gate same_addr(struct netbuf *na, struct netbuf *nb) 40157c478bd9Sstevel@tonic-gate { 40167c478bd9Sstevel@tonic-gate char *a, *b; 40177c478bd9Sstevel@tonic-gate size_t n; 40187c478bd9Sstevel@tonic-gate 40197c478bd9Sstevel@tonic-gate assert(a != NULL && b != NULL); 40207c478bd9Sstevel@tonic-gate 40217c478bd9Sstevel@tonic-gate if (na->len != nb->len) { 40227c478bd9Sstevel@tonic-gate return (0); 40237c478bd9Sstevel@tonic-gate } 40247c478bd9Sstevel@tonic-gate 40257c478bd9Sstevel@tonic-gate a = na->buf; 40267c478bd9Sstevel@tonic-gate b = nb->buf; 40277c478bd9Sstevel@tonic-gate n = nb->len; 40287c478bd9Sstevel@tonic-gate 40297c478bd9Sstevel@tonic-gate while (n-- > 0) { 40307c478bd9Sstevel@tonic-gate if (*a++ != *b++) { 40317c478bd9Sstevel@tonic-gate return (0); 40327c478bd9Sstevel@tonic-gate } 40337c478bd9Sstevel@tonic-gate } 40347c478bd9Sstevel@tonic-gate 40357c478bd9Sstevel@tonic-gate return (1); 40367c478bd9Sstevel@tonic-gate } 40377c478bd9Sstevel@tonic-gate 40387c478bd9Sstevel@tonic-gate /* 40397c478bd9Sstevel@tonic-gate * allocates a new message structure, initializes it 40407c478bd9Sstevel@tonic-gate * and returns a pointer to it 40417c478bd9Sstevel@tonic-gate */ 40427c478bd9Sstevel@tonic-gate static log_message_t * 40437c478bd9Sstevel@tonic-gate new_msg(void) 40447c478bd9Sstevel@tonic-gate { 40457c478bd9Sstevel@tonic-gate log_message_t *lm; 40467c478bd9Sstevel@tonic-gate pthread_t mythreadno; 40477c478bd9Sstevel@tonic-gate 40487c478bd9Sstevel@tonic-gate if (Debug) { 40497c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 40507c478bd9Sstevel@tonic-gate } 40517c478bd9Sstevel@tonic-gate 40527c478bd9Sstevel@tonic-gate if ((lm = malloc(sizeof (log_message_t))) == NULL) 40537c478bd9Sstevel@tonic-gate return ((log_message_t *)NULL); 40547c478bd9Sstevel@tonic-gate 40557c478bd9Sstevel@tonic-gate _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*lm)) 40567c478bd9Sstevel@tonic-gate 40577c478bd9Sstevel@tonic-gate if (pthread_mutex_init(&lm->msg_mutex, NULL) != 0) 40587c478bd9Sstevel@tonic-gate return ((log_message_t *)NULL); 40597c478bd9Sstevel@tonic-gate lm->refcnt = 0; 40607c478bd9Sstevel@tonic-gate lm->pri = 0; 40617c478bd9Sstevel@tonic-gate lm->flags = 0; 40627c478bd9Sstevel@tonic-gate lm->hlp = NULL; 40637c478bd9Sstevel@tonic-gate lm->msg[0] = '\0'; 40647c478bd9Sstevel@tonic-gate lm->ptr = NULL; 40657c478bd9Sstevel@tonic-gate 40667c478bd9Sstevel@tonic-gate DPRINT2(3, "new_msg(%u): creating msg %p\n", mythreadno, lm); 40677c478bd9Sstevel@tonic-gate return (lm); 40687c478bd9Sstevel@tonic-gate } 40697c478bd9Sstevel@tonic-gate 40707c478bd9Sstevel@tonic-gate /* 40717c478bd9Sstevel@tonic-gate * frees a message structure - should only be called if 40727c478bd9Sstevel@tonic-gate * the refcount is 0 40737c478bd9Sstevel@tonic-gate */ 40747c478bd9Sstevel@tonic-gate static void 40757c478bd9Sstevel@tonic-gate free_msg(log_message_t *lm) 40767c478bd9Sstevel@tonic-gate { 40777c478bd9Sstevel@tonic-gate pthread_t mythreadno; 40787c478bd9Sstevel@tonic-gate 40797c478bd9Sstevel@tonic-gate if (Debug) { 40807c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 40817c478bd9Sstevel@tonic-gate } 40827c478bd9Sstevel@tonic-gate 40837c478bd9Sstevel@tonic-gate assert(lm != NULL && lm->refcnt == 0); 40847c478bd9Sstevel@tonic-gate if (lm->hlp != NULL) 40857c478bd9Sstevel@tonic-gate freehl(lm->hlp); 40867c478bd9Sstevel@tonic-gate DPRINT2(3, "free_msg(%u): freeing msg %p\n", mythreadno, lm); 40877c478bd9Sstevel@tonic-gate free(lm); 40887c478bd9Sstevel@tonic-gate } 40897c478bd9Sstevel@tonic-gate 40907c478bd9Sstevel@tonic-gate /* 40917c478bd9Sstevel@tonic-gate * Make sure that the message makes sense in the current locale, and 40927c478bd9Sstevel@tonic-gate * does not contain stray control characters. 40937c478bd9Sstevel@tonic-gate */ 40947c478bd9Sstevel@tonic-gate static void 40957c478bd9Sstevel@tonic-gate filter_string(char *mbstr, char *filtered, size_t max) 40967c478bd9Sstevel@tonic-gate { 40977c478bd9Sstevel@tonic-gate size_t cs = 0; 40987c478bd9Sstevel@tonic-gate size_t mb_cur_max; 40997c478bd9Sstevel@tonic-gate unsigned char *p = (unsigned char *)mbstr; 41007c478bd9Sstevel@tonic-gate pthread_t mythreadno = 0; 41017c478bd9Sstevel@tonic-gate 41027c478bd9Sstevel@tonic-gate if (Debug) { 41037c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 41047c478bd9Sstevel@tonic-gate } 41057c478bd9Sstevel@tonic-gate 41067c478bd9Sstevel@tonic-gate assert(mbstr != NULL && filtered != NULL); 41077c478bd9Sstevel@tonic-gate 41087c478bd9Sstevel@tonic-gate /* 41097c478bd9Sstevel@tonic-gate * Since the access to MB_CUR_MAX is expensive (because 41107c478bd9Sstevel@tonic-gate * MB_CUR_MAX lives in a global area), it should be 41117c478bd9Sstevel@tonic-gate * restrained for the better performance. 41127c478bd9Sstevel@tonic-gate */ 41137c478bd9Sstevel@tonic-gate mb_cur_max = (size_t)MB_CUR_MAX; 41147c478bd9Sstevel@tonic-gate if (mb_cur_max > 1) { 41157c478bd9Sstevel@tonic-gate /* multibyte locale */ 41167c478bd9Sstevel@tonic-gate int mlen; 41177c478bd9Sstevel@tonic-gate wchar_t wc; 41187c478bd9Sstevel@tonic-gate 41197c478bd9Sstevel@tonic-gate while (*p != '\0') { 41207c478bd9Sstevel@tonic-gate if ((mlen = mbtowc(&wc, (char *)p, 41217c478bd9Sstevel@tonic-gate mb_cur_max)) == -1) { 41227c478bd9Sstevel@tonic-gate /* 41237c478bd9Sstevel@tonic-gate * Invalid byte sequence found. 41247c478bd9Sstevel@tonic-gate * 41257c478bd9Sstevel@tonic-gate * try to print one byte 41267c478bd9Sstevel@tonic-gate * in ASCII format. 41277c478bd9Sstevel@tonic-gate */ 41287c478bd9Sstevel@tonic-gate DPRINT2(9, "filter_string(%u): Invalid " 41297c478bd9Sstevel@tonic-gate "MB sequence: %d\n", mythreadno, 41307c478bd9Sstevel@tonic-gate wc); 41317c478bd9Sstevel@tonic-gate 41327c478bd9Sstevel@tonic-gate if (!putctrlc(*p++, &filtered, &cs, max)) { 41337c478bd9Sstevel@tonic-gate /* not enough buffer */ 41347c478bd9Sstevel@tonic-gate goto end; 41357c478bd9Sstevel@tonic-gate } else { 41367c478bd9Sstevel@tonic-gate continue; 41377c478bd9Sstevel@tonic-gate } 41387c478bd9Sstevel@tonic-gate } else { 41397c478bd9Sstevel@tonic-gate /* 41407c478bd9Sstevel@tonic-gate * Since *p is not a null byte here, 41417c478bd9Sstevel@tonic-gate * mbtowc should have never returned 0. 41427c478bd9Sstevel@tonic-gate * 41437c478bd9Sstevel@tonic-gate * A valid wide character found. 41447c478bd9Sstevel@tonic-gate */ 41457c478bd9Sstevel@tonic-gate 41467c478bd9Sstevel@tonic-gate if (wc != L'\t' && iswcntrl(wc)) { 41477c478bd9Sstevel@tonic-gate /* 41487c478bd9Sstevel@tonic-gate * non-tab, non-newline, and 41497c478bd9Sstevel@tonic-gate * control character found. 41507c478bd9Sstevel@tonic-gate * 41517c478bd9Sstevel@tonic-gate * try to print this wide character 41527c478bd9Sstevel@tonic-gate * in ASCII-format. 41537c478bd9Sstevel@tonic-gate */ 41547c478bd9Sstevel@tonic-gate char *q = filtered; 41557c478bd9Sstevel@tonic-gate 41567c478bd9Sstevel@tonic-gate DPRINT2(9, "filter_string(%u): MB" 41577c478bd9Sstevel@tonic-gate " control character: %d\n", 41587c478bd9Sstevel@tonic-gate mythreadno, wc); 41597c478bd9Sstevel@tonic-gate 41607c478bd9Sstevel@tonic-gate while (mlen--) { 41617c478bd9Sstevel@tonic-gate if (!putctrlc(*p++, &filtered, 41627c478bd9Sstevel@tonic-gate &cs, max)) { 41637c478bd9Sstevel@tonic-gate /* 41647c478bd9Sstevel@tonic-gate * not enough buffer in 41657c478bd9Sstevel@tonic-gate * filtered 41667c478bd9Sstevel@tonic-gate * 41677c478bd9Sstevel@tonic-gate * cancel already 41687c478bd9Sstevel@tonic-gate * stored bytes in 41697c478bd9Sstevel@tonic-gate * filtered for this 41707c478bd9Sstevel@tonic-gate * wide character. 41717c478bd9Sstevel@tonic-gate */ 41727c478bd9Sstevel@tonic-gate filtered = q; 41737c478bd9Sstevel@tonic-gate goto end; 41747c478bd9Sstevel@tonic-gate } 41757c478bd9Sstevel@tonic-gate } 41767c478bd9Sstevel@tonic-gate continue; 41777c478bd9Sstevel@tonic-gate } else { 41787c478bd9Sstevel@tonic-gate /* 41797c478bd9Sstevel@tonic-gate * tab, newline, or non-control 41807c478bd9Sstevel@tonic-gate * character found. 41817c478bd9Sstevel@tonic-gate */ 41827c478bd9Sstevel@tonic-gate if (cs + mlen < max) { 41837c478bd9Sstevel@tonic-gate /* enough buffer */ 41847c478bd9Sstevel@tonic-gate cs += mlen; 41857c478bd9Sstevel@tonic-gate while (mlen--) { 41867c478bd9Sstevel@tonic-gate *filtered++ = *p++; 41877c478bd9Sstevel@tonic-gate } 41887c478bd9Sstevel@tonic-gate continue; 41897c478bd9Sstevel@tonic-gate } else { 41907c478bd9Sstevel@tonic-gate /* not enough buffer */ 41917c478bd9Sstevel@tonic-gate goto end; 41927c478bd9Sstevel@tonic-gate } 41937c478bd9Sstevel@tonic-gate } 41947c478bd9Sstevel@tonic-gate } 41957c478bd9Sstevel@tonic-gate } 41967c478bd9Sstevel@tonic-gate } else { 41977c478bd9Sstevel@tonic-gate /* singlebyte locale */ 41987c478bd9Sstevel@tonic-gate 41997c478bd9Sstevel@tonic-gate while (*p != '\0') { 42007c478bd9Sstevel@tonic-gate if (*p != '\t' && iscntrl(*p)) { 42017c478bd9Sstevel@tonic-gate /* 42027c478bd9Sstevel@tonic-gate * non-tab, non-newline, 42037c478bd9Sstevel@tonic-gate * and control character found. 42047c478bd9Sstevel@tonic-gate * 42057c478bd9Sstevel@tonic-gate * try to print this singlebyte character 42067c478bd9Sstevel@tonic-gate * in ASCII format. 42077c478bd9Sstevel@tonic-gate */ 42087c478bd9Sstevel@tonic-gate DPRINT2(9, "filter_string(%u): control " 42097c478bd9Sstevel@tonic-gate "character: %d\n", mythreadno, *p); 42107c478bd9Sstevel@tonic-gate 42117c478bd9Sstevel@tonic-gate if (!putctrlc(*p++, &filtered, &cs, max)) { 42127c478bd9Sstevel@tonic-gate /* not enough buffer */ 42137c478bd9Sstevel@tonic-gate goto end; 42147c478bd9Sstevel@tonic-gate } else { 42157c478bd9Sstevel@tonic-gate continue; 42167c478bd9Sstevel@tonic-gate } 42177c478bd9Sstevel@tonic-gate } else if (*p != '\t' && !isprint(*p)) { 42187c478bd9Sstevel@tonic-gate /* 42197c478bd9Sstevel@tonic-gate * non-tab and non printable character found 42207c478bd9Sstevel@tonic-gate * this check is required for the C locale 42217c478bd9Sstevel@tonic-gate */ 42227c478bd9Sstevel@tonic-gate DPRINT2(9, "filter_string(%u): non-printable " 42237c478bd9Sstevel@tonic-gate "character: %d\n", mythreadno, *p); 42247c478bd9Sstevel@tonic-gate if (!putctrlc(*p++, &filtered, &cs, max)) { 42257c478bd9Sstevel@tonic-gate /* not enough buffer */ 42267c478bd9Sstevel@tonic-gate goto end; 42277c478bd9Sstevel@tonic-gate } else { 42287c478bd9Sstevel@tonic-gate continue; 42297c478bd9Sstevel@tonic-gate } 42307c478bd9Sstevel@tonic-gate } else { 42317c478bd9Sstevel@tonic-gate /* 42327c478bd9Sstevel@tonic-gate * tab, newline, non-control character, or 42337c478bd9Sstevel@tonic-gate * printable found. 42347c478bd9Sstevel@tonic-gate */ 42357c478bd9Sstevel@tonic-gate if (cs + 1 < max) { 42367c478bd9Sstevel@tonic-gate *filtered++ = *p++; 42377c478bd9Sstevel@tonic-gate cs++; 42387c478bd9Sstevel@tonic-gate continue; 42397c478bd9Sstevel@tonic-gate } else { 42407c478bd9Sstevel@tonic-gate /* not enough buffer */ 42417c478bd9Sstevel@tonic-gate goto end; 42427c478bd9Sstevel@tonic-gate } 42437c478bd9Sstevel@tonic-gate } 42447c478bd9Sstevel@tonic-gate } 42457c478bd9Sstevel@tonic-gate } 42467c478bd9Sstevel@tonic-gate 42477c478bd9Sstevel@tonic-gate end: 42487c478bd9Sstevel@tonic-gate *filtered = '\0'; 42497c478bd9Sstevel@tonic-gate 42507c478bd9Sstevel@tonic-gate if (cs >= 2 && 42517c478bd9Sstevel@tonic-gate filtered[-2] == '\\' && filtered[-1] == 'n') { 42527c478bd9Sstevel@tonic-gate filtered[-2] = '\0'; 42537c478bd9Sstevel@tonic-gate } 42547c478bd9Sstevel@tonic-gate } 42557c478bd9Sstevel@tonic-gate 42567c478bd9Sstevel@tonic-gate static char * 42577c478bd9Sstevel@tonic-gate alloc_stacks(int numstacks) 42587c478bd9Sstevel@tonic-gate { 42597c478bd9Sstevel@tonic-gate size_t pagesize, mapsize; 42607c478bd9Sstevel@tonic-gate char *stack_top; 42617c478bd9Sstevel@tonic-gate char *addr; 42627c478bd9Sstevel@tonic-gate int i; 42637c478bd9Sstevel@tonic-gate 42647c478bd9Sstevel@tonic-gate pagesize = (size_t)sysconf(_SC_PAGESIZE); 42657c478bd9Sstevel@tonic-gate /* 42667c478bd9Sstevel@tonic-gate * stacksize and redzonesize are global so threads 42677c478bd9Sstevel@tonic-gate * can be created elsewhere and refer to the sizes 42687c478bd9Sstevel@tonic-gate */ 42697c478bd9Sstevel@tonic-gate stacksize = (size_t)roundup(sysconf(_SC_THREAD_STACK_MIN) + 42707c478bd9Sstevel@tonic-gate DEFAULT_STACKSIZE, pagesize); 42717c478bd9Sstevel@tonic-gate redzonesize = (size_t)roundup(DEFAULT_REDZONESIZE, pagesize); 42727c478bd9Sstevel@tonic-gate 42737c478bd9Sstevel@tonic-gate /* 42747c478bd9Sstevel@tonic-gate * allocate an additional "redzonesize" chunk in addition 42757c478bd9Sstevel@tonic-gate * to what we require, so we can create a redzone at the 42767c478bd9Sstevel@tonic-gate * bottom of the last stack as well. 42777c478bd9Sstevel@tonic-gate */ 42787c478bd9Sstevel@tonic-gate mapsize = redzonesize + numstacks * (stacksize + redzonesize); 42797c478bd9Sstevel@tonic-gate stack_top = mmap(NULL, mapsize, PROT_READ|PROT_WRITE, 42807c478bd9Sstevel@tonic-gate MAP_PRIVATE|MAP_ANON, -1, 0); 42817c478bd9Sstevel@tonic-gate if (stack_top == MAP_FAILED) 42827c478bd9Sstevel@tonic-gate return (NULL); 42837c478bd9Sstevel@tonic-gate 42847c478bd9Sstevel@tonic-gate addr = stack_top; 42857c478bd9Sstevel@tonic-gate /* 42867c478bd9Sstevel@tonic-gate * this loop is intentionally <= instead of <, so we can 42877c478bd9Sstevel@tonic-gate * protect the redzone at the bottom of the last stack 42887c478bd9Sstevel@tonic-gate */ 42897c478bd9Sstevel@tonic-gate for (i = 0; i <= numstacks; i++) { 42907c478bd9Sstevel@tonic-gate (void) mprotect(addr, redzonesize, PROT_NONE); 42917c478bd9Sstevel@tonic-gate addr += stacksize + redzonesize; 42927c478bd9Sstevel@tonic-gate } 42937c478bd9Sstevel@tonic-gate return ((char *)(stack_top + redzonesize)); 42947c478bd9Sstevel@tonic-gate } 42957c478bd9Sstevel@tonic-gate 42967c478bd9Sstevel@tonic-gate static void 42977c478bd9Sstevel@tonic-gate dealloc_stacks(int numstacks) 42987c478bd9Sstevel@tonic-gate { 42997c478bd9Sstevel@tonic-gate size_t pagesize, mapsize; 43007c478bd9Sstevel@tonic-gate 43017c478bd9Sstevel@tonic-gate pagesize = (size_t)sysconf(_SC_PAGESIZE); 43027c478bd9Sstevel@tonic-gate 43037c478bd9Sstevel@tonic-gate stacksize = (size_t)roundup(sysconf(_SC_THREAD_STACK_MIN) + 43047c478bd9Sstevel@tonic-gate DEFAULT_STACKSIZE, pagesize); 43057c478bd9Sstevel@tonic-gate 43067c478bd9Sstevel@tonic-gate redzonesize = (size_t)roundup(DEFAULT_REDZONESIZE, pagesize); 43077c478bd9Sstevel@tonic-gate 43087c478bd9Sstevel@tonic-gate mapsize = redzonesize + numstacks * (stacksize + redzonesize); 43097c478bd9Sstevel@tonic-gate (void) munmap(cstack_ptr - mapsize, mapsize); 43107c478bd9Sstevel@tonic-gate } 43117c478bd9Sstevel@tonic-gate 43127c478bd9Sstevel@tonic-gate static void 43137c478bd9Sstevel@tonic-gate filed_destroy(struct filed *f) 43147c478bd9Sstevel@tonic-gate { 43157c478bd9Sstevel@tonic-gate (void) dataq_destroy(&f->f_queue); 43167c478bd9Sstevel@tonic-gate pthread_mutex_destroy(&f->filed_mutex); 43177c478bd9Sstevel@tonic-gate } 43187c478bd9Sstevel@tonic-gate 43197c478bd9Sstevel@tonic-gate static void 43207c478bd9Sstevel@tonic-gate close_door(void) 43217c478bd9Sstevel@tonic-gate { 43227c478bd9Sstevel@tonic-gate pthread_t mythreadno; 43237c478bd9Sstevel@tonic-gate 43247c478bd9Sstevel@tonic-gate if (Debug) { 43257c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 43267c478bd9Sstevel@tonic-gate } 43277c478bd9Sstevel@tonic-gate 43287c478bd9Sstevel@tonic-gate (void) fdetach(DoorFileName); 43297c478bd9Sstevel@tonic-gate 43307c478bd9Sstevel@tonic-gate DPRINT2(5, "close_door(%u): detached server() from %s\n", 43317c478bd9Sstevel@tonic-gate mythreadno, DoorFileName); 43327c478bd9Sstevel@tonic-gate } 43337c478bd9Sstevel@tonic-gate 43347c478bd9Sstevel@tonic-gate static void 43357c478bd9Sstevel@tonic-gate delete_doorfiles(void) 43367c478bd9Sstevel@tonic-gate { 43377c478bd9Sstevel@tonic-gate pthread_t mythreadno; 43387c478bd9Sstevel@tonic-gate struct stat sb; 43397c478bd9Sstevel@tonic-gate int err; 43407c478bd9Sstevel@tonic-gate char line[MAXLINE+1]; 43417c478bd9Sstevel@tonic-gate 43427c478bd9Sstevel@tonic-gate if (Debug) { 43437c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 43447c478bd9Sstevel@tonic-gate } 43457c478bd9Sstevel@tonic-gate 43467c478bd9Sstevel@tonic-gate 43477c478bd9Sstevel@tonic-gate if (lstat(DoorFileName, &sb) == 0 && !S_ISDIR(sb.st_mode)) { 43487c478bd9Sstevel@tonic-gate if (unlink(DoorFileName) < 0) { 43497c478bd9Sstevel@tonic-gate err = errno; 43507c478bd9Sstevel@tonic-gate (void) sprintf(line, "unlink() of %s failed - fatal", 43517c478bd9Sstevel@tonic-gate DoorFileName); 43527c478bd9Sstevel@tonic-gate errno = err; 43537c478bd9Sstevel@tonic-gate logerror(line); 43547c478bd9Sstevel@tonic-gate DPRINT3(1, "delete_doorfiles(%u): error: %s, " 43557c478bd9Sstevel@tonic-gate "errno=%d\n", mythreadno, line, err); 43567c478bd9Sstevel@tonic-gate exit(1); 43577c478bd9Sstevel@tonic-gate } 43587c478bd9Sstevel@tonic-gate 43597c478bd9Sstevel@tonic-gate DPRINT2(5, "delete_doorfiles(%u): deleted %s\n", 43607c478bd9Sstevel@tonic-gate mythreadno, DoorFileName); 43617c478bd9Sstevel@tonic-gate } 43627c478bd9Sstevel@tonic-gate 43637c478bd9Sstevel@tonic-gate if (strcmp(DoorFileName, DOORFILE) == 0) { 43647c478bd9Sstevel@tonic-gate if (lstat(OLD_DOORFILE, &sb) == 0 && !S_ISDIR(sb.st_mode)) { 43657c478bd9Sstevel@tonic-gate if (unlink(OLD_DOORFILE) < 0) { 43667c478bd9Sstevel@tonic-gate err = errno; 43677c478bd9Sstevel@tonic-gate (void) sprintf(line, "unlink() of %s " 43687c478bd9Sstevel@tonic-gate "failed", OLD_DOORFILE); 43697c478bd9Sstevel@tonic-gate DPRINT2(5, "delete_doorfiles(%u): %s\n", 43707c478bd9Sstevel@tonic-gate mythreadno, line); 43717c478bd9Sstevel@tonic-gate 43727c478bd9Sstevel@tonic-gate if (err != EROFS) { 43737c478bd9Sstevel@tonic-gate errno = err; 43747c478bd9Sstevel@tonic-gate (void) strcat(line, " - fatal"); 43757c478bd9Sstevel@tonic-gate logerror(line); 43767c478bd9Sstevel@tonic-gate DPRINT3(1, "delete_doorfiles(%u): " 43777c478bd9Sstevel@tonic-gate "error: %s, errno=%d\n", 43787c478bd9Sstevel@tonic-gate mythreadno, line, err); 43797c478bd9Sstevel@tonic-gate exit(1); 43807c478bd9Sstevel@tonic-gate } 43817c478bd9Sstevel@tonic-gate 43827c478bd9Sstevel@tonic-gate DPRINT1(5, "delete_doorfiles(%u): unlink() " 43837c478bd9Sstevel@tonic-gate "failure OK on RO file system\n", 43847c478bd9Sstevel@tonic-gate mythreadno); 43857c478bd9Sstevel@tonic-gate } 43867c478bd9Sstevel@tonic-gate 43877c478bd9Sstevel@tonic-gate DPRINT2(5, "delete_doorfiles(%u): deleted %s\n", 43887c478bd9Sstevel@tonic-gate mythreadno, OLD_DOORFILE); 43897c478bd9Sstevel@tonic-gate } 43907c478bd9Sstevel@tonic-gate } 43917c478bd9Sstevel@tonic-gate 43927c478bd9Sstevel@tonic-gate if (lstat(PidFileName, &sb) == 0 && !S_ISDIR(sb.st_mode)) { 43937c478bd9Sstevel@tonic-gate if (unlink(PidFileName) < 0) { 43947c478bd9Sstevel@tonic-gate err = errno; 43957c478bd9Sstevel@tonic-gate (void) sprintf(line, "unlink() of %s failed" 43967c478bd9Sstevel@tonic-gate " - fatal", PidFileName); 43977c478bd9Sstevel@tonic-gate errno = err; 43987c478bd9Sstevel@tonic-gate logerror(line); 43997c478bd9Sstevel@tonic-gate DPRINT3(1, "delete_doorfiles(%u): error: %s, " 44007c478bd9Sstevel@tonic-gate "errno=%d\n", mythreadno, line, err); 44017c478bd9Sstevel@tonic-gate exit(1); 44027c478bd9Sstevel@tonic-gate } 44037c478bd9Sstevel@tonic-gate 44047c478bd9Sstevel@tonic-gate DPRINT2(5, "delete_doorfiles(%u): deleted %s\n", mythreadno, 44057c478bd9Sstevel@tonic-gate PidFileName); 44067c478bd9Sstevel@tonic-gate } 44077c478bd9Sstevel@tonic-gate 44087c478bd9Sstevel@tonic-gate if (strcmp(PidFileName, PIDFILE) == 0) { 44097c478bd9Sstevel@tonic-gate if (lstat(OLD_PIDFILE, &sb) == 0 && !S_ISDIR(sb.st_mode)) { 44107c478bd9Sstevel@tonic-gate if (unlink(OLD_PIDFILE) < 0) { 44117c478bd9Sstevel@tonic-gate err = errno; 44127c478bd9Sstevel@tonic-gate (void) sprintf(line, "unlink() of %s failed", 44137c478bd9Sstevel@tonic-gate OLD_PIDFILE); 44147c478bd9Sstevel@tonic-gate DPRINT2(5, "delete_doorfiles(%u): %s, \n", 44157c478bd9Sstevel@tonic-gate mythreadno, line); 44167c478bd9Sstevel@tonic-gate 44177c478bd9Sstevel@tonic-gate if (err != EROFS) { 44187c478bd9Sstevel@tonic-gate errno = err; 44197c478bd9Sstevel@tonic-gate (void) strcat(line, " - fatal"); 44207c478bd9Sstevel@tonic-gate logerror(line); 44217c478bd9Sstevel@tonic-gate DPRINT3(1, "delete_doorfiles(%u): " 44227c478bd9Sstevel@tonic-gate "error: %s, errno=%d\n", 44237c478bd9Sstevel@tonic-gate mythreadno, line, err); 44247c478bd9Sstevel@tonic-gate exit(1); 44257c478bd9Sstevel@tonic-gate } 44267c478bd9Sstevel@tonic-gate 44277c478bd9Sstevel@tonic-gate DPRINT1(5, "delete_doorfiles(%u): unlink " 44287c478bd9Sstevel@tonic-gate "failure OK on RO file system\n", 44297c478bd9Sstevel@tonic-gate mythreadno); 44307c478bd9Sstevel@tonic-gate } 44317c478bd9Sstevel@tonic-gate 44327c478bd9Sstevel@tonic-gate DPRINT2(5, "delete_doorfiles(%u): deleted %s\n", 44337c478bd9Sstevel@tonic-gate mythreadno, OLD_PIDFILE); 44347c478bd9Sstevel@tonic-gate } 44357c478bd9Sstevel@tonic-gate } 44367c478bd9Sstevel@tonic-gate 44377c478bd9Sstevel@tonic-gate if (DoorFd != -1) { 44387c478bd9Sstevel@tonic-gate (void) door_revoke(DoorFd); 44397c478bd9Sstevel@tonic-gate } 44407c478bd9Sstevel@tonic-gate 44417c478bd9Sstevel@tonic-gate DPRINT2(1, "delete_doorfiles(%u): revoked door: DoorFd=%d\n", 44427c478bd9Sstevel@tonic-gate mythreadno, DoorFd); 44437c478bd9Sstevel@tonic-gate } 44447c478bd9Sstevel@tonic-gate 44457c478bd9Sstevel@tonic-gate 44467c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 44477c478bd9Sstevel@tonic-gate static void 44487c478bd9Sstevel@tonic-gate signull(int sig, siginfo_t *sip, void *utp) 44497c478bd9Sstevel@tonic-gate { 44507c478bd9Sstevel@tonic-gate DPRINT1(1, "signull(%u): THIS CALL SHOULD NEVER HAPPEN\n", 44517c478bd9Sstevel@tonic-gate pthread_self()); 44527c478bd9Sstevel@tonic-gate /* 44537c478bd9Sstevel@tonic-gate * Do nothing, as this is a place-holder used in conjunction with 44547c478bd9Sstevel@tonic-gate * sigaction()/sigwait() to ensure that the proper disposition is 44557c478bd9Sstevel@tonic-gate * given to the signals we handle in main(). 44567c478bd9Sstevel@tonic-gate */ 44577c478bd9Sstevel@tonic-gate } 44587c478bd9Sstevel@tonic-gate 44597c478bd9Sstevel@tonic-gate /* 44607c478bd9Sstevel@tonic-gate * putctrlc returns zero, if failed due to not enough buffer. 44617c478bd9Sstevel@tonic-gate * Otherwise, putctrlc returns non-zero. 44627c478bd9Sstevel@tonic-gate * 44637c478bd9Sstevel@tonic-gate * c: a byte to print in ASCII format 44647c478bd9Sstevel@tonic-gate * **buf: a pointer to the pointer to the output buffer. 44657c478bd9Sstevel@tonic-gate * *cl: current length of characters in the output buffer 44667c478bd9Sstevel@tonic-gate * max: maximum length of the buffer 44677c478bd9Sstevel@tonic-gate */ 44687c478bd9Sstevel@tonic-gate 44697c478bd9Sstevel@tonic-gate static int 44707c478bd9Sstevel@tonic-gate putctrlc(int c, char **buf, size_t *cl, size_t max) 44717c478bd9Sstevel@tonic-gate { 44727c478bd9Sstevel@tonic-gate char *p = *buf; 44737c478bd9Sstevel@tonic-gate 44747c478bd9Sstevel@tonic-gate if (c == '\n') { 44757c478bd9Sstevel@tonic-gate if (*cl + 2 < max) { 44767c478bd9Sstevel@tonic-gate *p++ = '\\'; 44777c478bd9Sstevel@tonic-gate *p++ = 'n'; 44787c478bd9Sstevel@tonic-gate *cl += 2; 44797c478bd9Sstevel@tonic-gate *buf = p; 44807c478bd9Sstevel@tonic-gate return (2); 44817c478bd9Sstevel@tonic-gate } else { 44827c478bd9Sstevel@tonic-gate return (0); 44837c478bd9Sstevel@tonic-gate } 44847c478bd9Sstevel@tonic-gate } else if (c < 0200) { 44857c478bd9Sstevel@tonic-gate /* ascii control character */ 44867c478bd9Sstevel@tonic-gate if (*cl + 2 < max) { 44877c478bd9Sstevel@tonic-gate *p++ = '^'; 44887c478bd9Sstevel@tonic-gate *p++ = c ^ 0100; 44897c478bd9Sstevel@tonic-gate *cl += 2; 44907c478bd9Sstevel@tonic-gate *buf = p; 44917c478bd9Sstevel@tonic-gate return (2); 44927c478bd9Sstevel@tonic-gate } else { 44937c478bd9Sstevel@tonic-gate return (0); 44947c478bd9Sstevel@tonic-gate } 44957c478bd9Sstevel@tonic-gate } else { 44967c478bd9Sstevel@tonic-gate if (*cl + 4 < max) { 44977c478bd9Sstevel@tonic-gate *p++ = '\\'; 44987c478bd9Sstevel@tonic-gate *p++ = ((c >> 6) & 07) + '0'; 44997c478bd9Sstevel@tonic-gate *p++ = ((c >> 3) & 07) + '0'; 45007c478bd9Sstevel@tonic-gate *p++ = (c & 07) + '0'; 45017c478bd9Sstevel@tonic-gate *cl += 4; 45027c478bd9Sstevel@tonic-gate *buf = p; 45037c478bd9Sstevel@tonic-gate return (4); 45047c478bd9Sstevel@tonic-gate } else { 45057c478bd9Sstevel@tonic-gate return (0); 45067c478bd9Sstevel@tonic-gate } 45077c478bd9Sstevel@tonic-gate } 45087c478bd9Sstevel@tonic-gate } 45097c478bd9Sstevel@tonic-gate 45107c478bd9Sstevel@tonic-gate /* 45117c478bd9Sstevel@tonic-gate * findnl_bkwd: 45127c478bd9Sstevel@tonic-gate * Scans each character in buf until it finds the last newline in buf, 45137c478bd9Sstevel@tonic-gate * or the scanned character becomes the last COMPLETE character in buf. 45147c478bd9Sstevel@tonic-gate * Returns the number of scanned bytes. 45157c478bd9Sstevel@tonic-gate * 45167c478bd9Sstevel@tonic-gate * buf - pointer to a buffer containing the message string 45177c478bd9Sstevel@tonic-gate * len - the length of the buffer 45187c478bd9Sstevel@tonic-gate */ 45197c478bd9Sstevel@tonic-gate size_t 45207c478bd9Sstevel@tonic-gate findnl_bkwd(const char *buf, const size_t len) 45217c478bd9Sstevel@tonic-gate { 45227c478bd9Sstevel@tonic-gate const char *p; 45237c478bd9Sstevel@tonic-gate size_t mb_cur_max; 45247c478bd9Sstevel@tonic-gate pthread_t mythreadno; 45257c478bd9Sstevel@tonic-gate 45267c478bd9Sstevel@tonic-gate if (Debug) { 45277c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 45287c478bd9Sstevel@tonic-gate } 45297c478bd9Sstevel@tonic-gate 45307c478bd9Sstevel@tonic-gate if (len == 0) { 45317c478bd9Sstevel@tonic-gate return (0); 45327c478bd9Sstevel@tonic-gate } 45337c478bd9Sstevel@tonic-gate 45347c478bd9Sstevel@tonic-gate mb_cur_max = MB_CUR_MAX; 45357c478bd9Sstevel@tonic-gate 45367c478bd9Sstevel@tonic-gate if (mb_cur_max == 1) { 45377c478bd9Sstevel@tonic-gate /* single-byte locale */ 45387c478bd9Sstevel@tonic-gate for (p = buf + len - 1; p != buf; p--) { 45397c478bd9Sstevel@tonic-gate if (*p == '\n') { 45407c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 45417c478bd9Sstevel@tonic-gate } 45427c478bd9Sstevel@tonic-gate } 45437c478bd9Sstevel@tonic-gate return ((size_t)len); 45447c478bd9Sstevel@tonic-gate } else { 45457c478bd9Sstevel@tonic-gate /* multi-byte locale */ 45467c478bd9Sstevel@tonic-gate int mlen; 45477c478bd9Sstevel@tonic-gate const char *nl; 45487c478bd9Sstevel@tonic-gate size_t rem; 45497c478bd9Sstevel@tonic-gate 45507c478bd9Sstevel@tonic-gate p = buf; 45517c478bd9Sstevel@tonic-gate nl = NULL; 45527c478bd9Sstevel@tonic-gate for (rem = len; rem >= mb_cur_max; ) { 45537c478bd9Sstevel@tonic-gate mlen = mblen(p, mb_cur_max); 45547c478bd9Sstevel@tonic-gate if (mlen == -1) { 45557c478bd9Sstevel@tonic-gate /* 45567c478bd9Sstevel@tonic-gate * Invalid character found. 45577c478bd9Sstevel@tonic-gate */ 45587c478bd9Sstevel@tonic-gate DPRINT1(9, "findnl_bkwd(%u): Invalid MB " 45597c478bd9Sstevel@tonic-gate "sequence\n", mythreadno); 45607c478bd9Sstevel@tonic-gate /* 45617c478bd9Sstevel@tonic-gate * handle as a single byte character. 45627c478bd9Sstevel@tonic-gate */ 45637c478bd9Sstevel@tonic-gate p++; 45647c478bd9Sstevel@tonic-gate rem--; 45657c478bd9Sstevel@tonic-gate } else { 45667c478bd9Sstevel@tonic-gate /* 45677c478bd9Sstevel@tonic-gate * It's guaranteed that *p points to 45687c478bd9Sstevel@tonic-gate * the 1st byte of a multibyte character. 45697c478bd9Sstevel@tonic-gate */ 45707c478bd9Sstevel@tonic-gate if (*p == '\n') { 45717c478bd9Sstevel@tonic-gate nl = p; 45727c478bd9Sstevel@tonic-gate } 45737c478bd9Sstevel@tonic-gate p += mlen; 45747c478bd9Sstevel@tonic-gate rem -= mlen; 45757c478bd9Sstevel@tonic-gate } 45767c478bd9Sstevel@tonic-gate } 45777c478bd9Sstevel@tonic-gate if (nl) { 45787c478bd9Sstevel@tonic-gate return ((size_t)(nl - buf)); 45797c478bd9Sstevel@tonic-gate } 45807c478bd9Sstevel@tonic-gate /* 45817c478bd9Sstevel@tonic-gate * no newline nor null byte found. 45827c478bd9Sstevel@tonic-gate * Also it's guaranteed that *p points to 45837c478bd9Sstevel@tonic-gate * the 1st byte of a (multibyte) character 45847c478bd9Sstevel@tonic-gate * at this point. 45857c478bd9Sstevel@tonic-gate */ 45867c478bd9Sstevel@tonic-gate return (len - rem); 45877c478bd9Sstevel@tonic-gate } 45887c478bd9Sstevel@tonic-gate } 45897c478bd9Sstevel@tonic-gate 45907c478bd9Sstevel@tonic-gate /* 45917c478bd9Sstevel@tonic-gate * copynl_frwd: 45927c478bd9Sstevel@tonic-gate * Scans each character in buf and copies the scanned character to obuf 45937c478bd9Sstevel@tonic-gate * until it finds a null byte or a newline, or 45947c478bd9Sstevel@tonic-gate * the number of the remaining bytes in obuf gets to exceed obuflen 45957c478bd9Sstevel@tonic-gate * if copying the scanned character to obuf. 45967c478bd9Sstevel@tonic-gate * Returns the number of scanned bytes. 45977c478bd9Sstevel@tonic-gate * 45987c478bd9Sstevel@tonic-gate * obuf - buffer to be copied the scanned character 45997c478bd9Sstevel@tonic-gate * obuflen - the size of obuf 46007c478bd9Sstevel@tonic-gate * buf - pointer to a buffer containing the message string 46017c478bd9Sstevel@tonic-gate * len - the length of the buffer 46027c478bd9Sstevel@tonic-gate */ 46037c478bd9Sstevel@tonic-gate size_t 46047c478bd9Sstevel@tonic-gate copynl_frwd(char *obuf, const size_t obuflen, 46057c478bd9Sstevel@tonic-gate const char *buf, const size_t len) 46067c478bd9Sstevel@tonic-gate { 46077c478bd9Sstevel@tonic-gate const char *p; 46087c478bd9Sstevel@tonic-gate char *q = obuf; 46097c478bd9Sstevel@tonic-gate size_t olen = 0; 46107c478bd9Sstevel@tonic-gate size_t mb_cur_max; 46117c478bd9Sstevel@tonic-gate pthread_t mythreadno; 46127c478bd9Sstevel@tonic-gate 46137c478bd9Sstevel@tonic-gate if (Debug) { 46147c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 46157c478bd9Sstevel@tonic-gate } 46167c478bd9Sstevel@tonic-gate 46177c478bd9Sstevel@tonic-gate if (len == 0) { 46187c478bd9Sstevel@tonic-gate return (0); 46197c478bd9Sstevel@tonic-gate } 46207c478bd9Sstevel@tonic-gate 46217c478bd9Sstevel@tonic-gate mb_cur_max = MB_CUR_MAX; 46227c478bd9Sstevel@tonic-gate 46237c478bd9Sstevel@tonic-gate if (mb_cur_max == 1) { 46247c478bd9Sstevel@tonic-gate /* single-byte locale */ 46257c478bd9Sstevel@tonic-gate for (p = buf; *p; ) { 46267c478bd9Sstevel@tonic-gate if (obuflen > olen + 1) { 46277c478bd9Sstevel@tonic-gate if (*p != '\n') { 46287c478bd9Sstevel@tonic-gate *q++ = *p++; 46297c478bd9Sstevel@tonic-gate olen++; 46307c478bd9Sstevel@tonic-gate } else { 46317c478bd9Sstevel@tonic-gate *q = '\0'; 46327c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 46337c478bd9Sstevel@tonic-gate } 46347c478bd9Sstevel@tonic-gate } else { 46357c478bd9Sstevel@tonic-gate *q = '\0'; 46367c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 46377c478bd9Sstevel@tonic-gate } 46387c478bd9Sstevel@tonic-gate } 46397c478bd9Sstevel@tonic-gate *q = '\0'; 46407c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 46417c478bd9Sstevel@tonic-gate } else { 46427c478bd9Sstevel@tonic-gate /* multi-byte locale */ 46437c478bd9Sstevel@tonic-gate int mlen; 46447c478bd9Sstevel@tonic-gate 46457c478bd9Sstevel@tonic-gate for (p = buf; *p; ) { 46467c478bd9Sstevel@tonic-gate mlen = mblen(p, mb_cur_max); 46477c478bd9Sstevel@tonic-gate if (mlen == -1) { 46487c478bd9Sstevel@tonic-gate /* 46497c478bd9Sstevel@tonic-gate * Invalid character found. 46507c478bd9Sstevel@tonic-gate */ 46517c478bd9Sstevel@tonic-gate DPRINT1(9, "copynl_frwd(%u): Invalid MB " 46527c478bd9Sstevel@tonic-gate "sequence\n", mythreadno); 46537c478bd9Sstevel@tonic-gate /* 46547c478bd9Sstevel@tonic-gate * handle as a single byte character. 46557c478bd9Sstevel@tonic-gate */ 46567c478bd9Sstevel@tonic-gate if (obuflen > olen + 1) { 46577c478bd9Sstevel@tonic-gate *q++ = *p++; 46587c478bd9Sstevel@tonic-gate olen++; 46597c478bd9Sstevel@tonic-gate } else { 46607c478bd9Sstevel@tonic-gate *q = '\0'; 46617c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 46627c478bd9Sstevel@tonic-gate } 46637c478bd9Sstevel@tonic-gate } else { 46647c478bd9Sstevel@tonic-gate /* 46657c478bd9Sstevel@tonic-gate * It's guaranteed that *p points to 46667c478bd9Sstevel@tonic-gate * the 1st byte of a multibyte character. 46677c478bd9Sstevel@tonic-gate */ 46687c478bd9Sstevel@tonic-gate if (*p == '\n') { 46697c478bd9Sstevel@tonic-gate *q = '\0'; 46707c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 46717c478bd9Sstevel@tonic-gate } 46727c478bd9Sstevel@tonic-gate if (obuflen > olen + mlen) { 46737c478bd9Sstevel@tonic-gate int n; 46747c478bd9Sstevel@tonic-gate for (n = 0; n < mlen; n++) { 46757c478bd9Sstevel@tonic-gate *q++ = *p++; 46767c478bd9Sstevel@tonic-gate } 46777c478bd9Sstevel@tonic-gate olen += mlen; 46787c478bd9Sstevel@tonic-gate } else { 46797c478bd9Sstevel@tonic-gate *q = '\0'; 46807c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 46817c478bd9Sstevel@tonic-gate } 46827c478bd9Sstevel@tonic-gate } 46837c478bd9Sstevel@tonic-gate } 46847c478bd9Sstevel@tonic-gate /* 46857c478bd9Sstevel@tonic-gate * no newline nor null byte found. 46867c478bd9Sstevel@tonic-gate * Also it's guaranteed that *p points to 46877c478bd9Sstevel@tonic-gate * the 1st byte of a (multibyte) character 46887c478bd9Sstevel@tonic-gate * at this point. 46897c478bd9Sstevel@tonic-gate */ 46907c478bd9Sstevel@tonic-gate *q = '\0'; 46917c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 46927c478bd9Sstevel@tonic-gate } 46937c478bd9Sstevel@tonic-gate } 46947c478bd9Sstevel@tonic-gate 46957c478bd9Sstevel@tonic-gate /* 46967c478bd9Sstevel@tonic-gate * copy_frwd: 46977c478bd9Sstevel@tonic-gate * Scans each character in buf and copies the scanned character to obuf 46987c478bd9Sstevel@tonic-gate * until the number of the remaining bytes in obuf gets to exceed obuflen 46997c478bd9Sstevel@tonic-gate * if copying the scanned character to obuf. 47007c478bd9Sstevel@tonic-gate * Returns the number of scanned (copied) bytes. 47017c478bd9Sstevel@tonic-gate * 47027c478bd9Sstevel@tonic-gate * obuf - buffer to be copied the scanned character 47037c478bd9Sstevel@tonic-gate * obuflen - the size of obuf 47047c478bd9Sstevel@tonic-gate * buf - pointer to a buffer containing the message string 47057c478bd9Sstevel@tonic-gate * len - the length of the buffer 47067c478bd9Sstevel@tonic-gate */ 47077c478bd9Sstevel@tonic-gate size_t 47087c478bd9Sstevel@tonic-gate copy_frwd(char *obuf, const size_t obuflen, 47097c478bd9Sstevel@tonic-gate const char *buf, const size_t len) 47107c478bd9Sstevel@tonic-gate { 47117c478bd9Sstevel@tonic-gate const char *p; 47127c478bd9Sstevel@tonic-gate char *q = obuf; 47137c478bd9Sstevel@tonic-gate size_t olen = 0; 47147c478bd9Sstevel@tonic-gate size_t mb_cur_max; 47157c478bd9Sstevel@tonic-gate pthread_t mythreadno; 47167c478bd9Sstevel@tonic-gate 47177c478bd9Sstevel@tonic-gate if (Debug) { 47187c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 47197c478bd9Sstevel@tonic-gate } 47207c478bd9Sstevel@tonic-gate 47217c478bd9Sstevel@tonic-gate if (len == 0) { 47227c478bd9Sstevel@tonic-gate return (0); 47237c478bd9Sstevel@tonic-gate } 47247c478bd9Sstevel@tonic-gate 47257c478bd9Sstevel@tonic-gate mb_cur_max = MB_CUR_MAX; 47267c478bd9Sstevel@tonic-gate 47277c478bd9Sstevel@tonic-gate if (mb_cur_max == 1) { 47287c478bd9Sstevel@tonic-gate /* single-byte locale */ 47297c478bd9Sstevel@tonic-gate if (obuflen > len) { 47307c478bd9Sstevel@tonic-gate (void) memcpy(obuf, buf, len); 47317c478bd9Sstevel@tonic-gate obuf[len] = '\0'; 47327c478bd9Sstevel@tonic-gate return ((size_t)len); 47337c478bd9Sstevel@tonic-gate } else { 47347c478bd9Sstevel@tonic-gate (void) memcpy(obuf, buf, obuflen - 1); 47357c478bd9Sstevel@tonic-gate obuf[obuflen - 1] = '\0'; 47367c478bd9Sstevel@tonic-gate return (obuflen - 1); 47377c478bd9Sstevel@tonic-gate } 47387c478bd9Sstevel@tonic-gate } else { 47397c478bd9Sstevel@tonic-gate /* multi-byte locale */ 47407c478bd9Sstevel@tonic-gate int mlen; 47417c478bd9Sstevel@tonic-gate 47427c478bd9Sstevel@tonic-gate for (p = buf; *p; ) { 47437c478bd9Sstevel@tonic-gate mlen = mblen(p, mb_cur_max); 47447c478bd9Sstevel@tonic-gate if (mlen == -1) { 47457c478bd9Sstevel@tonic-gate /* 47467c478bd9Sstevel@tonic-gate * Invalid character found. 47477c478bd9Sstevel@tonic-gate */ 47487c478bd9Sstevel@tonic-gate DPRINT1(9, "copy_frwd(%u): Invalid MB " 47497c478bd9Sstevel@tonic-gate "sequence\n", mythreadno); 47507c478bd9Sstevel@tonic-gate /* 47517c478bd9Sstevel@tonic-gate * handle as a single byte character. 47527c478bd9Sstevel@tonic-gate */ 47537c478bd9Sstevel@tonic-gate if (obuflen > olen + 1) { 47547c478bd9Sstevel@tonic-gate *q++ = *p++; 47557c478bd9Sstevel@tonic-gate olen++; 47567c478bd9Sstevel@tonic-gate } else { 47577c478bd9Sstevel@tonic-gate *q = '\0'; 47587c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 47597c478bd9Sstevel@tonic-gate } 47607c478bd9Sstevel@tonic-gate } else { 47617c478bd9Sstevel@tonic-gate if (obuflen > olen + mlen) { 47627c478bd9Sstevel@tonic-gate int n; 47637c478bd9Sstevel@tonic-gate for (n = 0; n < mlen; n++) { 47647c478bd9Sstevel@tonic-gate *q++ = *p++; 47657c478bd9Sstevel@tonic-gate } 47667c478bd9Sstevel@tonic-gate olen += mlen; 47677c478bd9Sstevel@tonic-gate } else { 47687c478bd9Sstevel@tonic-gate *q = '\0'; 47697c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 47707c478bd9Sstevel@tonic-gate } 47717c478bd9Sstevel@tonic-gate } 47727c478bd9Sstevel@tonic-gate } 47737c478bd9Sstevel@tonic-gate *q = '\0'; 47747c478bd9Sstevel@tonic-gate return ((size_t)(p - buf)); 47757c478bd9Sstevel@tonic-gate } 47767c478bd9Sstevel@tonic-gate } 47777c478bd9Sstevel@tonic-gate 47787c478bd9Sstevel@tonic-gate /* 47797c478bd9Sstevel@tonic-gate * defaults: 47807c478bd9Sstevel@tonic-gate * Read defaults from file. 47817c478bd9Sstevel@tonic-gate */ 47827c478bd9Sstevel@tonic-gate static void 47837c478bd9Sstevel@tonic-gate defaults(void) 47847c478bd9Sstevel@tonic-gate { 47857c478bd9Sstevel@tonic-gate int flags; 47867c478bd9Sstevel@tonic-gate char *ptr; 47877c478bd9Sstevel@tonic-gate 47887c478bd9Sstevel@tonic-gate if (defopen(DflFile) == 0) { 47897c478bd9Sstevel@tonic-gate /* 47907c478bd9Sstevel@tonic-gate * ignore case 47917c478bd9Sstevel@tonic-gate */ 47927c478bd9Sstevel@tonic-gate flags = defcntl(DC_GETFLAGS, 0); 47937c478bd9Sstevel@tonic-gate TURNOFF(flags, DC_CASE); 47947c478bd9Sstevel@tonic-gate defcntl(DC_SETFLAGS, flags); 47957c478bd9Sstevel@tonic-gate 47967c478bd9Sstevel@tonic-gate if ((ptr = defread("LOG_FROM_REMOTE=")) != NULL) { 47977c478bd9Sstevel@tonic-gate turnoff = strcasecmp(ptr, "NO") == 0; 47987c478bd9Sstevel@tonic-gate } 47997c478bd9Sstevel@tonic-gate 48007c478bd9Sstevel@tonic-gate (void) defopen((char *)NULL); 48017c478bd9Sstevel@tonic-gate } 48027c478bd9Sstevel@tonic-gate } 48037c478bd9Sstevel@tonic-gate 48047c478bd9Sstevel@tonic-gate /* 48057c478bd9Sstevel@tonic-gate * close all the input devices. 48067c478bd9Sstevel@tonic-gate */ 48077c478bd9Sstevel@tonic-gate static void 48087c478bd9Sstevel@tonic-gate shutdown_input(void) 48097c478bd9Sstevel@tonic-gate { 48107c478bd9Sstevel@tonic-gate int cnt; 48117c478bd9Sstevel@tonic-gate 48127c478bd9Sstevel@tonic-gate shutting_down = 1; 48137c478bd9Sstevel@tonic-gate 48147c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < Ninputs; cnt++) { 48157c478bd9Sstevel@tonic-gate (void) t_close(Nfd[cnt].fd); 48167c478bd9Sstevel@tonic-gate } 48177c478bd9Sstevel@tonic-gate 48187c478bd9Sstevel@tonic-gate (void) close(Pfd.fd); 48197c478bd9Sstevel@tonic-gate } 48207c478bd9Sstevel@tonic-gate 48217c478bd9Sstevel@tonic-gate /* 48227c478bd9Sstevel@tonic-gate * This is for the one thread that dedicates to resolve the 48237c478bd9Sstevel@tonic-gate * hostname. This will get the messages from net_poll() through 48247c478bd9Sstevel@tonic-gate * hnlq, and resolve the hostname, and push the messages back 48257c478bd9Sstevel@tonic-gate * into the inputq. 48267c478bd9Sstevel@tonic-gate */ 48277c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 48287c478bd9Sstevel@tonic-gate static void * 48297c478bd9Sstevel@tonic-gate hostname_lookup(void *ap) 48307c478bd9Sstevel@tonic-gate { 48317c478bd9Sstevel@tonic-gate char *uap; 48327c478bd9Sstevel@tonic-gate log_message_t *mp; 48337c478bd9Sstevel@tonic-gate host_info_t *hip; 48347c478bd9Sstevel@tonic-gate char failsafe_addr[SYS_NMLN + 1]; 48357c478bd9Sstevel@tonic-gate pthread_t mythreadno; 48367c478bd9Sstevel@tonic-gate 48377c478bd9Sstevel@tonic-gate if (Debug) { 48387c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 48397c478bd9Sstevel@tonic-gate } 48407c478bd9Sstevel@tonic-gate 48417c478bd9Sstevel@tonic-gate DPRINT1(1, "hostname_lookup(%u): hostname_lookup started\n", 48427c478bd9Sstevel@tonic-gate mythreadno); 48437c478bd9Sstevel@tonic-gate 48447c478bd9Sstevel@tonic-gate for (;;) { 48457c478bd9Sstevel@tonic-gate (void) dataq_dequeue(&hnlq, (void **)&mp, 0); 48467c478bd9Sstevel@tonic-gate 48477c478bd9Sstevel@tonic-gate DPRINT3(5, "hostname_lookup(%u): dequeued msg %p" 48487c478bd9Sstevel@tonic-gate " from queue %p\n", mythreadno, mp, &hnlq); 48497c478bd9Sstevel@tonic-gate 48507c478bd9Sstevel@tonic-gate hip = (host_info_t *)mp->ptr; 48517c478bd9Sstevel@tonic-gate if ((uap = taddr2uaddr(hip->ncp, &hip->addr)) != NULL) { 48527c478bd9Sstevel@tonic-gate (void) strlcpy(failsafe_addr, uap, SYS_NMLN); 48537c478bd9Sstevel@tonic-gate free(uap); 48547c478bd9Sstevel@tonic-gate } else { 48557c478bd9Sstevel@tonic-gate (void) strlcpy(failsafe_addr, "<unknown>", SYS_NMLN); 48567c478bd9Sstevel@tonic-gate } 48577c478bd9Sstevel@tonic-gate 48587c478bd9Sstevel@tonic-gate mp->hlp = cvthname(&hip->addr, hip->ncp, failsafe_addr); 48597c478bd9Sstevel@tonic-gate 48607c478bd9Sstevel@tonic-gate if (mp->hlp == NULL) { 48617c478bd9Sstevel@tonic-gate mp->hlp = &NullHostName; 48627c478bd9Sstevel@tonic-gate } 48637c478bd9Sstevel@tonic-gate 48647c478bd9Sstevel@tonic-gate free(hip->addr.buf); 48657c478bd9Sstevel@tonic-gate free(hip); 48667c478bd9Sstevel@tonic-gate mp->ptr = NULL; 48677c478bd9Sstevel@tonic-gate 48687c478bd9Sstevel@tonic-gate if (dataq_enqueue(&inputq, (void *)mp) == -1) { 48697c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message from remote"); 48707c478bd9Sstevel@tonic-gate free_msg(mp); 48717c478bd9Sstevel@tonic-gate continue; 48727c478bd9Sstevel@tonic-gate } 48737c478bd9Sstevel@tonic-gate 48747c478bd9Sstevel@tonic-gate DPRINT3(5, "hostname_lookup(%u): enqueued msg %p on queue %p\n", 48757c478bd9Sstevel@tonic-gate mythreadno, mp, &inputq); 48767c478bd9Sstevel@tonic-gate } 48777c478bd9Sstevel@tonic-gate 48787c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 48797c478bd9Sstevel@tonic-gate return (NULL); 48807c478bd9Sstevel@tonic-gate } 48817c478bd9Sstevel@tonic-gate 48827c478bd9Sstevel@tonic-gate /* 48837c478bd9Sstevel@tonic-gate * Does all HUP(re-configuration) process. 48847c478bd9Sstevel@tonic-gate */ 48857c478bd9Sstevel@tonic-gate static void 48867c478bd9Sstevel@tonic-gate reconfigure() 48877c478bd9Sstevel@tonic-gate { 48887c478bd9Sstevel@tonic-gate int cnt, loop, drops; 48897c478bd9Sstevel@tonic-gate int really_stuck; 48907c478bd9Sstevel@tonic-gate int console_stuck = 0; 48917c478bd9Sstevel@tonic-gate struct filed *f; 48927c478bd9Sstevel@tonic-gate char buf[LINE_MAX]; 48937c478bd9Sstevel@tonic-gate struct utsname up; 48947c478bd9Sstevel@tonic-gate char cbuf[30]; 48957c478bd9Sstevel@tonic-gate time_t tim; 48967c478bd9Sstevel@tonic-gate pthread_t mythreadno; 48977c478bd9Sstevel@tonic-gate 48987c478bd9Sstevel@tonic-gate if (Debug) { 48997c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 49007c478bd9Sstevel@tonic-gate } 49017c478bd9Sstevel@tonic-gate 49027c478bd9Sstevel@tonic-gate /* If we get here then we must need to regen */ 49037c478bd9Sstevel@tonic-gate flushmsg(0); 49047c478bd9Sstevel@tonic-gate 49057c478bd9Sstevel@tonic-gate if (logmymsg(LOG_SYSLOG|LOG_INFO, "syslogd: configuration restart", 49067c478bd9Sstevel@tonic-gate ADDDATE, 0) == -1) { 49077c478bd9Sstevel@tonic-gate MALLOC_FAIL("dropping message"); 49087c478bd9Sstevel@tonic-gate } 49097c478bd9Sstevel@tonic-gate 49107c478bd9Sstevel@tonic-gate /* 49117c478bd9Sstevel@tonic-gate * make sure the logmsg thread is not in the waiting state. 49127c478bd9Sstevel@tonic-gate * Otherwise, changing hup_state will prevent the logmsg thread 49137c478bd9Sstevel@tonic-gate * getting out from the waiting loop. 49147c478bd9Sstevel@tonic-gate */ 49157c478bd9Sstevel@tonic-gate 49167c478bd9Sstevel@tonic-gate if (Debug) { 49177c478bd9Sstevel@tonic-gate tim = time(NULL); 49187c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s: awaiting logmsg()" 49197c478bd9Sstevel@tonic-gate " moving to the safe place\n", 49207c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4); 49217c478bd9Sstevel@tonic-gate } 49227c478bd9Sstevel@tonic-gate 49237c478bd9Sstevel@tonic-gate for (loop = 0; loop < LOOP_MAX; loop++) { 49247c478bd9Sstevel@tonic-gate /* we don't need the mutex to read */ 49257c478bd9Sstevel@tonic-gate if (hup_state == HUP_ACCEPTABLE) 49267c478bd9Sstevel@tonic-gate break; 49277c478bd9Sstevel@tonic-gate (void) sleep(1); 49287c478bd9Sstevel@tonic-gate } 49297c478bd9Sstevel@tonic-gate if (hup_state != HUP_ACCEPTABLE) { 49307c478bd9Sstevel@tonic-gate goto thread_stuck; 49317c478bd9Sstevel@tonic-gate } 49327c478bd9Sstevel@tonic-gate 49337c478bd9Sstevel@tonic-gate if (Debug) { 49347c478bd9Sstevel@tonic-gate tim = time(NULL); 49357c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s: logmsg() will accept HUP\n", 49367c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4); 49377c478bd9Sstevel@tonic-gate } 49387c478bd9Sstevel@tonic-gate 49397c478bd9Sstevel@tonic-gate /* 49407c478bd9Sstevel@tonic-gate * Prevent logging until we are truly done processing the HUP 49417c478bd9Sstevel@tonic-gate */ 49427c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&hup_lock); 49437c478bd9Sstevel@tonic-gate hup_state = HUP_INPROGRESS; 49447c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&hup_lock); 49457c478bd9Sstevel@tonic-gate 49467c478bd9Sstevel@tonic-gate /* 49477c478bd9Sstevel@tonic-gate * We will be going into a critical state. Any error message 49487c478bd9Sstevel@tonic-gate * from syslogd needs to be dumped to the console by default 49497c478bd9Sstevel@tonic-gate * immediately. Also, those error messages are quened in a temporary 49507c478bd9Sstevel@tonic-gate * queue to be able to post into the regular stream later. 49517c478bd9Sstevel@tonic-gate */ 49527c478bd9Sstevel@tonic-gate disable_errorlog(); 49537c478bd9Sstevel@tonic-gate 49547c478bd9Sstevel@tonic-gate if (Debug) { 49557c478bd9Sstevel@tonic-gate tim = time(NULL); 49567c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s: sending SHUTDOWN\n", 49577c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4); 49587c478bd9Sstevel@tonic-gate } 49597c478bd9Sstevel@tonic-gate 49607c478bd9Sstevel@tonic-gate /* stop configured threads */ 49617c478bd9Sstevel@tonic-gate if (shutdown_msg() == -1) { 49627c478bd9Sstevel@tonic-gate /* 49637c478bd9Sstevel@tonic-gate * No memory, message will be dumped to the console. 49647c478bd9Sstevel@tonic-gate */ 49657c478bd9Sstevel@tonic-gate MALLOC_FAIL("unable to restart syslogd"); 49667c478bd9Sstevel@tonic-gate goto out; 49677c478bd9Sstevel@tonic-gate } 49687c478bd9Sstevel@tonic-gate 49697c478bd9Sstevel@tonic-gate /* make sure logmsg() is in suspended state */ 49707c478bd9Sstevel@tonic-gate for (loop = 0; loop < LOOP_INTERVAL; loop++) { 49717c478bd9Sstevel@tonic-gate if (hup_state & HUP_LOGMSG_SUSPENDED) 49727c478bd9Sstevel@tonic-gate break; 49737c478bd9Sstevel@tonic-gate (void) sleep(1); 49747c478bd9Sstevel@tonic-gate } 49757c478bd9Sstevel@tonic-gate 49767c478bd9Sstevel@tonic-gate if ((hup_state & HUP_LOGMSG_SUSPENDED) == 0) { 49777c478bd9Sstevel@tonic-gate if (Debug) { 49787c478bd9Sstevel@tonic-gate tim = time(NULL); 49797c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s: logmsg() does not " 49807c478bd9Sstevel@tonic-gate "stop. enforcing\n", 49817c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4); 49827c478bd9Sstevel@tonic-gate } 49837c478bd9Sstevel@tonic-gate 49847c478bd9Sstevel@tonic-gate /* probably we have too long input queue, or really stuck */ 49857c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&hup_lock); 49867c478bd9Sstevel@tonic-gate hup_state |= HUP_SUSP_LOGMSG_REQD; 49877c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&hup_lock); 49887c478bd9Sstevel@tonic-gate 49897c478bd9Sstevel@tonic-gate for (loop = 0; loop < LOOP_MAX; loop++) { 49907c478bd9Sstevel@tonic-gate if (hup_state & HUP_LOGMSG_SUSPENDED) 49917c478bd9Sstevel@tonic-gate break; 49927c478bd9Sstevel@tonic-gate (void) sleep(1); 49937c478bd9Sstevel@tonic-gate } 49947c478bd9Sstevel@tonic-gate if ((hup_state & HUP_LOGMSG_SUSPENDED) == 0) { 49957c478bd9Sstevel@tonic-gate if (Debug) { 49967c478bd9Sstevel@tonic-gate tim = time(NULL); 49977c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s: logmsg()" 49987c478bd9Sstevel@tonic-gate " does not stop. give up\n", 49997c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4); 50007c478bd9Sstevel@tonic-gate } 50017c478bd9Sstevel@tonic-gate logerror("could not suspend logmsg - fatal"); 50027c478bd9Sstevel@tonic-gate goto thread_stuck; 50037c478bd9Sstevel@tonic-gate } 50047c478bd9Sstevel@tonic-gate } 50057c478bd9Sstevel@tonic-gate 50067c478bd9Sstevel@tonic-gate if (Debug) { 50077c478bd9Sstevel@tonic-gate tim = time(NULL); 50087c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s: logmsg() suspended\n", 50097c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4); 50107c478bd9Sstevel@tonic-gate } 50117c478bd9Sstevel@tonic-gate 50127c478bd9Sstevel@tonic-gate /* 50137c478bd9Sstevel@tonic-gate * Will wait for LOOP_MAX secs with watching queue lengths for the 50147c478bd9Sstevel@tonic-gate * each logger threads. If they have backlogs, and no change in the 50157c478bd9Sstevel@tonic-gate * length of queue found in 30 seconds, those will be counted as 50167c478bd9Sstevel@tonic-gate * "really stuck". 50177c478bd9Sstevel@tonic-gate * If all running logger threads become "really stuck" state, there 50187c478bd9Sstevel@tonic-gate * should be no worth waiting for them to quit. 50197c478bd9Sstevel@tonic-gate * In that case, we will go ahead and close out file descriptors to 50207c478bd9Sstevel@tonic-gate * have them pull out from hanging system call, and give them a last 50217c478bd9Sstevel@tonic-gate * chance(LOOP_INTERVAL sec) to quit. 50227c478bd9Sstevel@tonic-gate */ 50237c478bd9Sstevel@tonic-gate 50247c478bd9Sstevel@tonic-gate if (Debug) { 50257c478bd9Sstevel@tonic-gate tim = time(NULL); 50267c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s: awaiting logit() to be" 50277c478bd9Sstevel@tonic-gate " shutdown\n", mythreadno, ctime_r(&tim, cbuf)+4); 50287c478bd9Sstevel@tonic-gate } 50297c478bd9Sstevel@tonic-gate 50307c478bd9Sstevel@tonic-gate cnt = 0; 50317c478bd9Sstevel@tonic-gate really_stuck = 0; 50327c478bd9Sstevel@tonic-gate while (cnt < (LOOP_MAX/LOOP_INTERVAL) && 50337c478bd9Sstevel@tonic-gate conf_threads > really_stuck) { 50347c478bd9Sstevel@tonic-gate 50357c478bd9Sstevel@tonic-gate /* save initial queue count */ 50367c478bd9Sstevel@tonic-gate for (f = Files; f < &Files[nlogs]; f++) { 50377c478bd9Sstevel@tonic-gate f->f_prev_queue_count = (f->f_type == F_UNUSED) ? 50387c478bd9Sstevel@tonic-gate -1 : f->f_queue_count; 50397c478bd9Sstevel@tonic-gate } 50407c478bd9Sstevel@tonic-gate 50417c478bd9Sstevel@tonic-gate for (loop = 0; loop < LOOP_INTERVAL; loop++) { 50427c478bd9Sstevel@tonic-gate if (conf_threads == 0) 50437c478bd9Sstevel@tonic-gate break; 50447c478bd9Sstevel@tonic-gate (void) sleep(1); 50457c478bd9Sstevel@tonic-gate } 50467c478bd9Sstevel@tonic-gate 50477c478bd9Sstevel@tonic-gate if (conf_threads == 0) 50487c478bd9Sstevel@tonic-gate break; 50497c478bd9Sstevel@tonic-gate 50507c478bd9Sstevel@tonic-gate if (Debug) { 50517c478bd9Sstevel@tonic-gate tim = time(NULL); 50527c478bd9Sstevel@tonic-gate DPRINT3(3, "reconfigure(%u): %.15s: " 50537c478bd9Sstevel@tonic-gate "%d threads are still alive.\n", 50547c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4, 50557c478bd9Sstevel@tonic-gate conf_threads); 50567c478bd9Sstevel@tonic-gate } 50577c478bd9Sstevel@tonic-gate 50587c478bd9Sstevel@tonic-gate really_stuck = 0; 50597c478bd9Sstevel@tonic-gate for (f = Files; f < &Files[nlogs]; f++) { 50607c478bd9Sstevel@tonic-gate if (f->f_type == F_UNUSED) { 50617c478bd9Sstevel@tonic-gate f->f_prev_queue_count = -1; 50627c478bd9Sstevel@tonic-gate continue; 50637c478bd9Sstevel@tonic-gate } 50647c478bd9Sstevel@tonic-gate if (f->f_prev_queue_count == f->f_queue_count) { 50657c478bd9Sstevel@tonic-gate really_stuck++; 50667c478bd9Sstevel@tonic-gate f->f_prev_queue_count = 1; 50677c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): " 50687c478bd9Sstevel@tonic-gate "tid=%d is really stuck.\n", 50697c478bd9Sstevel@tonic-gate mythreadno, f->f_thread); 50707c478bd9Sstevel@tonic-gate } else { 50717c478bd9Sstevel@tonic-gate f->f_prev_queue_count = 0; 50727c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): " 50737c478bd9Sstevel@tonic-gate "tid=%d is still active.\n", 50747c478bd9Sstevel@tonic-gate mythreadno, f->f_thread); 50757c478bd9Sstevel@tonic-gate } 50767c478bd9Sstevel@tonic-gate } 50777c478bd9Sstevel@tonic-gate /* 50787c478bd9Sstevel@tonic-gate * Here we have one of following values in the 50797c478bd9Sstevel@tonic-gate * f_prev_queue_count: 50807c478bd9Sstevel@tonic-gate * 0: logger thread is still actively working. 50817c478bd9Sstevel@tonic-gate * 1: logger thread is really stuck. 50827c478bd9Sstevel@tonic-gate * -1: logger thread has already died. 50837c478bd9Sstevel@tonic-gate */ 50847c478bd9Sstevel@tonic-gate 50857c478bd9Sstevel@tonic-gate cnt++; 50867c478bd9Sstevel@tonic-gate } 50877c478bd9Sstevel@tonic-gate 50887c478bd9Sstevel@tonic-gate if (Debug) { 50897c478bd9Sstevel@tonic-gate tim = time(NULL); 50907c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s:" 50917c478bd9Sstevel@tonic-gate " complete awaiting logit()\n", 50927c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4); 50937c478bd9Sstevel@tonic-gate DPRINT3(3, "reconfigure(%u): %d threads alive." 50947c478bd9Sstevel@tonic-gate " %d threads stuck\n", 50957c478bd9Sstevel@tonic-gate mythreadno, conf_threads, really_stuck); 50967c478bd9Sstevel@tonic-gate } 50977c478bd9Sstevel@tonic-gate 50987c478bd9Sstevel@tonic-gate /* 50997c478bd9Sstevel@tonic-gate * Still running? If so, mark it as UNUSED, and close 51007c478bd9Sstevel@tonic-gate * the fd so that logger threads can bail out from the loop. 51017c478bd9Sstevel@tonic-gate */ 51027c478bd9Sstevel@tonic-gate drops = 0; 51037c478bd9Sstevel@tonic-gate if (conf_threads) { 51047c478bd9Sstevel@tonic-gate for (f = Files; f < &Files[nlogs]; f++) { 51057c478bd9Sstevel@tonic-gate if (f->f_type == F_CONSOLE && 51067c478bd9Sstevel@tonic-gate f->f_prev_queue_count == 1) { 51077c478bd9Sstevel@tonic-gate /* console is really stuck */ 51087c478bd9Sstevel@tonic-gate console_stuck = 1; 51097c478bd9Sstevel@tonic-gate } 51107c478bd9Sstevel@tonic-gate if (f->f_type == F_USERS || f->f_type == F_WALL || 51117c478bd9Sstevel@tonic-gate f->f_type == F_UNUSED) 51127c478bd9Sstevel@tonic-gate continue; 51137c478bd9Sstevel@tonic-gate cnt = f->f_queue_count; 51147c478bd9Sstevel@tonic-gate drops += (cnt > 0) ? cnt - 1: 0; 51157c478bd9Sstevel@tonic-gate f->f_type = F_UNUSED; 51167c478bd9Sstevel@tonic-gate 51177c478bd9Sstevel@tonic-gate if (f->f_orig_type == F_FORW) 51187c478bd9Sstevel@tonic-gate t_close(f->f_file); 51197c478bd9Sstevel@tonic-gate else 51207c478bd9Sstevel@tonic-gate close(f->f_file); 51217c478bd9Sstevel@tonic-gate } 51227c478bd9Sstevel@tonic-gate 51237c478bd9Sstevel@tonic-gate if (Debug) { 51247c478bd9Sstevel@tonic-gate tim = time(NULL); 51257c478bd9Sstevel@tonic-gate DPRINT1(3, "reconfigure(%u): terminating logit()\n", 51267c478bd9Sstevel@tonic-gate mythreadno); 51277c478bd9Sstevel@tonic-gate } 51287c478bd9Sstevel@tonic-gate 51297c478bd9Sstevel@tonic-gate /* last chance to exit */ 51307c478bd9Sstevel@tonic-gate for (loop = 0; loop < LOOP_MAX; loop++) { 51317c478bd9Sstevel@tonic-gate if (conf_threads == 0) 51327c478bd9Sstevel@tonic-gate break; 51337c478bd9Sstevel@tonic-gate (void) sleep(1); 51347c478bd9Sstevel@tonic-gate } 51357c478bd9Sstevel@tonic-gate 51367c478bd9Sstevel@tonic-gate if (Debug) { 51377c478bd9Sstevel@tonic-gate tim = time(NULL); 51387c478bd9Sstevel@tonic-gate DPRINT3(3, "reconfigure(%u): %.15s: %d alive\n", 51397c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4, 51407c478bd9Sstevel@tonic-gate conf_threads); 51417c478bd9Sstevel@tonic-gate } 51427c478bd9Sstevel@tonic-gate } 51437c478bd9Sstevel@tonic-gate 51447c478bd9Sstevel@tonic-gate if (conf_threads == 0 && drops) { 51457c478bd9Sstevel@tonic-gate errno = 0; 51467c478bd9Sstevel@tonic-gate logerror("Could not completely output pending messages" 51477c478bd9Sstevel@tonic-gate " while preparing re-configuration"); 51487c478bd9Sstevel@tonic-gate logerror("discarded %d messages and restart configuration.", 51497c478bd9Sstevel@tonic-gate drops); 51507c478bd9Sstevel@tonic-gate if (Debug) { 51517c478bd9Sstevel@tonic-gate tim = time(NULL); 51527c478bd9Sstevel@tonic-gate DPRINT3(3, "reconfigure(%u): %.15s: " 51537c478bd9Sstevel@tonic-gate "discarded %d messages\n", 51547c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4, drops); 51557c478bd9Sstevel@tonic-gate } 51567c478bd9Sstevel@tonic-gate } 51577c478bd9Sstevel@tonic-gate 51587c478bd9Sstevel@tonic-gate /* 51597c478bd9Sstevel@tonic-gate * If all threads still haven't exited 51607c478bd9Sstevel@tonic-gate * something is stuck or hosed. We just 51617c478bd9Sstevel@tonic-gate * have no option but to exit. 51627c478bd9Sstevel@tonic-gate */ 51637c478bd9Sstevel@tonic-gate if (conf_threads) { 51647c478bd9Sstevel@tonic-gate thread_stuck: 51657c478bd9Sstevel@tonic-gate if (Debug) { 51667c478bd9Sstevel@tonic-gate tim = time(NULL); 51677c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s: really stuck\n", 51687c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4); 51697c478bd9Sstevel@tonic-gate } 51707c478bd9Sstevel@tonic-gate 51717c478bd9Sstevel@tonic-gate shutdown_input(); 51727c478bd9Sstevel@tonic-gate delete_doorfiles(); 51737c478bd9Sstevel@tonic-gate uname(&up); 51747c478bd9Sstevel@tonic-gate 51757c478bd9Sstevel@tonic-gate (void) sprintf(buf, 51767c478bd9Sstevel@tonic-gate "syslogd(%s): some logger thread(s) " 51777c478bd9Sstevel@tonic-gate "are stuck%s; syslogd is shutting down.", 51787c478bd9Sstevel@tonic-gate up.nodename, 51797c478bd9Sstevel@tonic-gate console_stuck ? " (including the console)" : ""); 51807c478bd9Sstevel@tonic-gate 51817c478bd9Sstevel@tonic-gate if (console_stuck) { 51827c478bd9Sstevel@tonic-gate FILE *m = popen(MAILCMD, "w"); 51837c478bd9Sstevel@tonic-gate 51847c478bd9Sstevel@tonic-gate if (m != NULL) { 51857c478bd9Sstevel@tonic-gate fprintf(m, "%s\n", buf); 51867c478bd9Sstevel@tonic-gate pclose(m); 51877c478bd9Sstevel@tonic-gate } 51887c478bd9Sstevel@tonic-gate } 51897c478bd9Sstevel@tonic-gate 51907c478bd9Sstevel@tonic-gate disable_errorlog(); 51917c478bd9Sstevel@tonic-gate logerror(buf); 51927c478bd9Sstevel@tonic-gate exit(1); 51937c478bd9Sstevel@tonic-gate } 51947c478bd9Sstevel@tonic-gate 51957c478bd9Sstevel@tonic-gate /* Free up some resources */ 51967c478bd9Sstevel@tonic-gate if (Files != (struct filed *)&fallback) { 51977c478bd9Sstevel@tonic-gate for (f = Files; f < &Files[nlogs]; f++) { 51987c478bd9Sstevel@tonic-gate (void) pthread_join(f->f_thread, NULL); 51997c478bd9Sstevel@tonic-gate filed_destroy(f); 52007c478bd9Sstevel@tonic-gate } 52017c478bd9Sstevel@tonic-gate free(Files); 52027c478bd9Sstevel@tonic-gate } 52037c478bd9Sstevel@tonic-gate 52047c478bd9Sstevel@tonic-gate dealloc_stacks(nlogs); 52057c478bd9Sstevel@tonic-gate 52067c478bd9Sstevel@tonic-gate if (Debug) { 52077c478bd9Sstevel@tonic-gate tim = time(NULL); 52087c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s: cleanup complete\n", 52097c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4); 52107c478bd9Sstevel@tonic-gate } 52117c478bd9Sstevel@tonic-gate 52127c478bd9Sstevel@tonic-gate hnc_init(1); /* purge hostname cache */ 52137c478bd9Sstevel@tonic-gate conf_init(); /* start reconfigure */ 52147c478bd9Sstevel@tonic-gate 52157c478bd9Sstevel@tonic-gate out:; 52167c478bd9Sstevel@tonic-gate /* Now should be ready to dispatch error messages from syslogd. */ 52177c478bd9Sstevel@tonic-gate enable_errorlog(); 52187c478bd9Sstevel@tonic-gate 52197c478bd9Sstevel@tonic-gate /* Wake up the log thread */ 52207c478bd9Sstevel@tonic-gate 52217c478bd9Sstevel@tonic-gate if (Debug) { 52227c478bd9Sstevel@tonic-gate tim = time(NULL); 52237c478bd9Sstevel@tonic-gate DPRINT2(3, "reconfigure(%u): %.15s: resuming logmsg()\n", 52247c478bd9Sstevel@tonic-gate mythreadno, ctime_r(&tim, cbuf)+4); 52257c478bd9Sstevel@tonic-gate } 52267c478bd9Sstevel@tonic-gate 52277c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&hup_lock); 52287c478bd9Sstevel@tonic-gate hup_state = HUP_COMPLETED; 52297c478bd9Sstevel@tonic-gate (void) pthread_cond_signal(&hup_done); 52307c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&hup_lock); 52317c478bd9Sstevel@tonic-gate } 52327c478bd9Sstevel@tonic-gate 52337c478bd9Sstevel@tonic-gate /* 52347c478bd9Sstevel@tonic-gate * The following function implements simple hostname cache mechanism. 5235293d1fc4Spd155743 * Host name cache is implemented through hash table bucket chaining method. 5236293d1fc4Spd155743 * Collisions are handled by bucket chaining. 52377c478bd9Sstevel@tonic-gate * 52387c478bd9Sstevel@tonic-gate * hnc_init(): 52397c478bd9Sstevel@tonic-gate * allocate and initialize the cache. If reinit is set, 52407c478bd9Sstevel@tonic-gate * invalidate all cache entries. 52417c478bd9Sstevel@tonic-gate * hnc_look(): 5242293d1fc4Spd155743 * It hashes the ipaddress gets the index and walks thru the 5243293d1fc4Spd155743 * single linked list. if cached entry was found, it will 52447c478bd9Sstevel@tonic-gate * put in the head of the list, and return.While going through 52457c478bd9Sstevel@tonic-gate * the entries, an entry which has already expired will be invalidated. 52467c478bd9Sstevel@tonic-gate * hnc_register(): 5247293d1fc4Spd155743 * Hashes the ipaddress finds the index and puts current entry to the list. 52487c478bd9Sstevel@tonic-gate * hnc_unreg(): 5249293d1fc4Spd155743 * invalidate the cachep. 52507c478bd9Sstevel@tonic-gate */ 52517c478bd9Sstevel@tonic-gate 52527c478bd9Sstevel@tonic-gate static void 52537c478bd9Sstevel@tonic-gate hnc_init(int reinit) 52547c478bd9Sstevel@tonic-gate { 52557c478bd9Sstevel@tonic-gate struct hostname_cache **hpp; 52567c478bd9Sstevel@tonic-gate pthread_t mythreadno; 5257293d1fc4Spd155743 int i; 52587c478bd9Sstevel@tonic-gate 52597c478bd9Sstevel@tonic-gate if (Debug) { 52607c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 52617c478bd9Sstevel@tonic-gate } 52627c478bd9Sstevel@tonic-gate 52637c478bd9Sstevel@tonic-gate if (reinit) { 52647c478bd9Sstevel@tonic-gate pthread_mutex_lock(&hnc_mutex); 52657c478bd9Sstevel@tonic-gate 5266293d1fc4Spd155743 for (i = 0; i < hnc_size; i++) { 5267293d1fc4Spd155743 for (hpp = &hnc_cache[i]; *hpp != NULL; ) { 52687c478bd9Sstevel@tonic-gate hnc_unreg(hpp); 52697c478bd9Sstevel@tonic-gate } 5270293d1fc4Spd155743 } 52717c478bd9Sstevel@tonic-gate 52727c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&hnc_mutex); 52737c478bd9Sstevel@tonic-gate DPRINT1(2, "hnc_init(%u): hostname cache re-configured\n", 52747c478bd9Sstevel@tonic-gate mythreadno); 52757c478bd9Sstevel@tonic-gate } else { 52767c478bd9Sstevel@tonic-gate 5277293d1fc4Spd155743 hnc_cache = calloc(hnc_size, sizeof (struct hostname_cache *)); 52787c478bd9Sstevel@tonic-gate 52797c478bd9Sstevel@tonic-gate if (hnc_cache == NULL) { 52807c478bd9Sstevel@tonic-gate MALLOC_FAIL("hostname cache"); 52817c478bd9Sstevel@tonic-gate logerror("hostname cache disabled"); 52827c478bd9Sstevel@tonic-gate return; 52837c478bd9Sstevel@tonic-gate } 52847c478bd9Sstevel@tonic-gate 52857c478bd9Sstevel@tonic-gate DPRINT3(1, "hnc_init(%u): hostname cache configured %d entry" 52867c478bd9Sstevel@tonic-gate " ttl:%d\n", mythreadno, hnc_size, hnc_ttl); 52877c478bd9Sstevel@tonic-gate } 52887c478bd9Sstevel@tonic-gate } 52897c478bd9Sstevel@tonic-gate 52907c478bd9Sstevel@tonic-gate static host_list_t * 5291293d1fc4Spd155743 hnc_lookup(struct netbuf *nbp, struct netconfig *ncp, int *hindex) 52927c478bd9Sstevel@tonic-gate { 52937c478bd9Sstevel@tonic-gate struct hostname_cache **hpp, *hp; 52947c478bd9Sstevel@tonic-gate time_t now; 52957c478bd9Sstevel@tonic-gate pthread_t mythreadno; 5296293d1fc4Spd155743 int index; 52977c478bd9Sstevel@tonic-gate 52987c478bd9Sstevel@tonic-gate if (Debug) { 52997c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 53007c478bd9Sstevel@tonic-gate } 53017c478bd9Sstevel@tonic-gate 53027c478bd9Sstevel@tonic-gate if (hnc_cache == NULL) { 53037c478bd9Sstevel@tonic-gate return (NULL); 53047c478bd9Sstevel@tonic-gate } 53057c478bd9Sstevel@tonic-gate 53067c478bd9Sstevel@tonic-gate pthread_mutex_lock(&hnc_mutex); 53077c478bd9Sstevel@tonic-gate now = time(0); 53087c478bd9Sstevel@tonic-gate 5309293d1fc4Spd155743 *hindex = index = addr_hash(nbp); 5310293d1fc4Spd155743 5311293d1fc4Spd155743 for (hpp = &hnc_cache[index]; (hp = *hpp) != NULL; ) { 53127c478bd9Sstevel@tonic-gate DPRINT4(10, "hnc_lookup(%u): check %p on %p for %s\n", 53137c478bd9Sstevel@tonic-gate mythreadno, hp->h, hp, hp->h->hl_hosts[0]); 53147c478bd9Sstevel@tonic-gate 53157c478bd9Sstevel@tonic-gate if (hp->expire < now) { 53167c478bd9Sstevel@tonic-gate DPRINT2(9, "hnc_lookup(%u): purge %p\n", 53177c478bd9Sstevel@tonic-gate mythreadno, hp); 53187c478bd9Sstevel@tonic-gate hnc_unreg(hpp); 53197c478bd9Sstevel@tonic-gate continue; 53207c478bd9Sstevel@tonic-gate } 53217c478bd9Sstevel@tonic-gate 53227c478bd9Sstevel@tonic-gate if (ncp == hp->ncp && same_addr(&hp->addr, nbp)) { 53237c478bd9Sstevel@tonic-gate /* 53247c478bd9Sstevel@tonic-gate * found! 53257c478bd9Sstevel@tonic-gate * Put the entry at the top. 53267c478bd9Sstevel@tonic-gate */ 53277c478bd9Sstevel@tonic-gate 5328293d1fc4Spd155743 if (hp != hnc_cache[index]) { 53297c478bd9Sstevel@tonic-gate /* unlink from active list */ 53307c478bd9Sstevel@tonic-gate *hpp = (*hpp)->next; 53317c478bd9Sstevel@tonic-gate /* push it onto the top */ 5332293d1fc4Spd155743 hp->next = hnc_cache[index]; 5333293d1fc4Spd155743 hnc_cache[index] = hp; 53347c478bd9Sstevel@tonic-gate } 53357c478bd9Sstevel@tonic-gate 53367c478bd9Sstevel@tonic-gate pthread_mutex_lock(&hp->h->hl_mutex); 53377c478bd9Sstevel@tonic-gate hp->h->hl_refcnt++; 53387c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&hp->h->hl_mutex); 53397c478bd9Sstevel@tonic-gate 53407c478bd9Sstevel@tonic-gate DPRINT4(9, "hnc_lookup(%u): found %p on %p for %s\n", 53417c478bd9Sstevel@tonic-gate mythreadno, hp->h, hp, hp->h->hl_hosts[0]); 53427c478bd9Sstevel@tonic-gate 53437c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&hnc_mutex); 53447c478bd9Sstevel@tonic-gate return (hp->h); 53457c478bd9Sstevel@tonic-gate } 53467c478bd9Sstevel@tonic-gate 53477c478bd9Sstevel@tonic-gate hpp = &hp->next; 53487c478bd9Sstevel@tonic-gate } 53497c478bd9Sstevel@tonic-gate 53507c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&hnc_mutex); 53517c478bd9Sstevel@tonic-gate return (NULL); 53527c478bd9Sstevel@tonic-gate } 53537c478bd9Sstevel@tonic-gate 53547c478bd9Sstevel@tonic-gate static void 5355293d1fc4Spd155743 hnc_register(struct netbuf *nbp, struct netconfig *ncp, 5356293d1fc4Spd155743 host_list_t *h, int hindex) 53577c478bd9Sstevel@tonic-gate { 5358293d1fc4Spd155743 struct hostname_cache **hpp, **tailp, *hp, *entry; 53597c478bd9Sstevel@tonic-gate void *addrbuf; 53607c478bd9Sstevel@tonic-gate time_t now; 53617c478bd9Sstevel@tonic-gate pthread_t mythreadno; 5362293d1fc4Spd155743 int i; 53637c478bd9Sstevel@tonic-gate 53647c478bd9Sstevel@tonic-gate if (Debug) { 53657c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 53667c478bd9Sstevel@tonic-gate } 53677c478bd9Sstevel@tonic-gate 53687c478bd9Sstevel@tonic-gate if (hnc_cache == NULL) { 53697c478bd9Sstevel@tonic-gate return; 53707c478bd9Sstevel@tonic-gate } 53717c478bd9Sstevel@tonic-gate 53727c478bd9Sstevel@tonic-gate if ((addrbuf = malloc(nbp->len)) == NULL) { 53737c478bd9Sstevel@tonic-gate MALLOC_FAIL("pushing hostname cache"); 53747c478bd9Sstevel@tonic-gate return; 53757c478bd9Sstevel@tonic-gate } 53767c478bd9Sstevel@tonic-gate 5377293d1fc4Spd155743 if ((entry = malloc(sizeof (struct hostname_cache))) == NULL) { 5378293d1fc4Spd155743 MALLOC_FAIL("pushing hostname entry"); 5379293d1fc4Spd155743 free(addrbuf); 5380293d1fc4Spd155743 return; 5381293d1fc4Spd155743 } 5382293d1fc4Spd155743 53837c478bd9Sstevel@tonic-gate pthread_mutex_lock(&hnc_mutex); 53847c478bd9Sstevel@tonic-gate 5385293d1fc4Spd155743 i = 0; 5386293d1fc4Spd155743 5387293d1fc4Spd155743 now = time(0); 53887c478bd9Sstevel@tonic-gate /* 53897c478bd9Sstevel@tonic-gate * first go through active list, and discard the 5390293d1fc4Spd155743 * caches which has been invalid. Count number of 5391293d1fc4Spd155743 * non-expired buckets. 53927c478bd9Sstevel@tonic-gate */ 5393293d1fc4Spd155743 5394293d1fc4Spd155743 for (hpp = &hnc_cache[hindex]; (hp = *hpp) != NULL; ) { 53957c478bd9Sstevel@tonic-gate tailp = hpp; 53967c478bd9Sstevel@tonic-gate 53977c478bd9Sstevel@tonic-gate if (hp->expire < now) { 53987c478bd9Sstevel@tonic-gate DPRINT2(9, "hnc_register(%u): discard %p\n", 53997c478bd9Sstevel@tonic-gate mythreadno, hp); 54007c478bd9Sstevel@tonic-gate hnc_unreg(hpp); 54017c478bd9Sstevel@tonic-gate } else { 5402293d1fc4Spd155743 i++; 54037c478bd9Sstevel@tonic-gate hpp = &hp->next; 54047c478bd9Sstevel@tonic-gate } 54057c478bd9Sstevel@tonic-gate } 54067c478bd9Sstevel@tonic-gate 54077c478bd9Sstevel@tonic-gate /* 5408293d1fc4Spd155743 * If max limit of chained hash buckets has been used up 5409293d1fc4Spd155743 * delete the least active element in the chain. 54107c478bd9Sstevel@tonic-gate */ 5411293d1fc4Spd155743 if (i == MAX_BUCKETS) { 54127c478bd9Sstevel@tonic-gate hnc_unreg(tailp); 54137c478bd9Sstevel@tonic-gate } 54147c478bd9Sstevel@tonic-gate 54157c478bd9Sstevel@tonic-gate (void) memcpy(addrbuf, nbp->buf, nbp->len); 5416293d1fc4Spd155743 entry->addr.len = nbp->len; 5417293d1fc4Spd155743 entry->addr.buf = addrbuf; 5418293d1fc4Spd155743 entry->ncp = ncp; 5419293d1fc4Spd155743 entry->h = h; 5420293d1fc4Spd155743 entry->expire = time(NULL) + hnc_ttl; 5421293d1fc4Spd155743 5422293d1fc4Spd155743 /* insert it at the top */ 5423293d1fc4Spd155743 entry->next = hnc_cache[hindex]; 5424293d1fc4Spd155743 hnc_cache[hindex] = entry; 54257c478bd9Sstevel@tonic-gate 54267c478bd9Sstevel@tonic-gate /* 54277c478bd9Sstevel@tonic-gate * As far as cache is valid, corresponding host_list must 54287c478bd9Sstevel@tonic-gate * also be valid. Increments the refcnt to avoid freeing 54297c478bd9Sstevel@tonic-gate * host_list. 54307c478bd9Sstevel@tonic-gate */ 54317c478bd9Sstevel@tonic-gate h->hl_refcnt++; 54327c478bd9Sstevel@tonic-gate DPRINT4(9, "hnc_register(%u): reg %p onto %p for %s\n", 54337c478bd9Sstevel@tonic-gate mythreadno, h, hp, hp->h->hl_hosts[0]); 54347c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&hnc_mutex); 54357c478bd9Sstevel@tonic-gate } 54367c478bd9Sstevel@tonic-gate 54377c478bd9Sstevel@tonic-gate static void 54387c478bd9Sstevel@tonic-gate hnc_unreg(struct hostname_cache **hpp) 54397c478bd9Sstevel@tonic-gate { 54407c478bd9Sstevel@tonic-gate struct hostname_cache *hp = *hpp; 54417c478bd9Sstevel@tonic-gate pthread_t mythreadno; 54427c478bd9Sstevel@tonic-gate 54437c478bd9Sstevel@tonic-gate if (Debug) { 54447c478bd9Sstevel@tonic-gate mythreadno = pthread_self(); 54457c478bd9Sstevel@tonic-gate } 54467c478bd9Sstevel@tonic-gate 54477c478bd9Sstevel@tonic-gate DPRINT4(9, "hnc_unreg(%u): unreg %p on %p for %s\n", 54487c478bd9Sstevel@tonic-gate mythreadno, hp->h, hp, hp->h->hl_hosts[0]); 54497c478bd9Sstevel@tonic-gate free(hp->addr.buf); 54507c478bd9Sstevel@tonic-gate freehl(hp->h); 54517c478bd9Sstevel@tonic-gate 54527c478bd9Sstevel@tonic-gate /* unlink from active list */ 54537c478bd9Sstevel@tonic-gate *hpp = (*hpp)->next; 54547c478bd9Sstevel@tonic-gate 5455293d1fc4Spd155743 free(hp); 54567c478bd9Sstevel@tonic-gate } 54577c478bd9Sstevel@tonic-gate 54587c478bd9Sstevel@tonic-gate /* 54597c478bd9Sstevel@tonic-gate * Once this is called, error messages through logerror() will go to 54607c478bd9Sstevel@tonic-gate * the console immediately. Also, messages are queued into the tmpq 54617c478bd9Sstevel@tonic-gate * to be able to later put them into inputq. 54627c478bd9Sstevel@tonic-gate */ 54637c478bd9Sstevel@tonic-gate static void 54647c478bd9Sstevel@tonic-gate disable_errorlog() 54657c478bd9Sstevel@tonic-gate { 54667c478bd9Sstevel@tonic-gate dataq_init(&tmpq); 54677c478bd9Sstevel@tonic-gate 54687c478bd9Sstevel@tonic-gate pthread_mutex_lock(&logerror_lock); 54697c478bd9Sstevel@tonic-gate interrorlog = 0; 54707c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&logerror_lock); 54717c478bd9Sstevel@tonic-gate } 54727c478bd9Sstevel@tonic-gate 54737c478bd9Sstevel@tonic-gate /* 54747c478bd9Sstevel@tonic-gate * Turn internal error messages to regular input stream. 54757c478bd9Sstevel@tonic-gate * All pending messages are pulled and pushed into the regular 54767c478bd9Sstevel@tonic-gate * input queue. 54777c478bd9Sstevel@tonic-gate */ 54787c478bd9Sstevel@tonic-gate static void 54797c478bd9Sstevel@tonic-gate enable_errorlog() 54807c478bd9Sstevel@tonic-gate { 54817c478bd9Sstevel@tonic-gate log_message_t *mp; 54827c478bd9Sstevel@tonic-gate 54837c478bd9Sstevel@tonic-gate pthread_mutex_lock(&logerror_lock); 54847c478bd9Sstevel@tonic-gate interrorlog = 1; 54857c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&logerror_lock); 54867c478bd9Sstevel@tonic-gate 54877c478bd9Sstevel@tonic-gate /* 54887c478bd9Sstevel@tonic-gate * push all the pending messages into inputq. 54897c478bd9Sstevel@tonic-gate */ 54907c478bd9Sstevel@tonic-gate while (dataq_dequeue(&tmpq, (void **)&mp, 1) == 0) { 54917c478bd9Sstevel@tonic-gate (void) dataq_enqueue(&inputq, mp); 54927c478bd9Sstevel@tonic-gate } 54937c478bd9Sstevel@tonic-gate dataq_destroy(&tmpq); 54947c478bd9Sstevel@tonic-gate } 5495293d1fc4Spd155743 5496293d1fc4Spd155743 /* 5497293d1fc4Spd155743 * Generate a hash value of the given address and derive 5498293d1fc4Spd155743 * an index into the hnc_cache hashtable. 5499293d1fc4Spd155743 * The hashing method is similar to what Java does for strings. 5500293d1fc4Spd155743 */ 5501293d1fc4Spd155743 static int 5502293d1fc4Spd155743 addr_hash(struct netbuf *nbp) 5503293d1fc4Spd155743 { 5504293d1fc4Spd155743 char *uap; 5505293d1fc4Spd155743 int i; 5506293d1fc4Spd155743 unsigned long hcode = 0; 5507293d1fc4Spd155743 5508293d1fc4Spd155743 uap = nbp->buf; 5509293d1fc4Spd155743 5510293d1fc4Spd155743 if (uap == NULL) { 5511293d1fc4Spd155743 return (0); 5512293d1fc4Spd155743 } 5513293d1fc4Spd155743 5514293d1fc4Spd155743 /* 5515293d1fc4Spd155743 * Compute a hashcode of the address string 5516293d1fc4Spd155743 */ 5517293d1fc4Spd155743 for (i = 0; i < nbp->len; i++) 5518293d1fc4Spd155743 hcode = (31 * hcode) + uap[i]; 5519293d1fc4Spd155743 5520293d1fc4Spd155743 /* 5521293d1fc4Spd155743 * Scramble the hashcode for better distribution 5522293d1fc4Spd155743 */ 5523293d1fc4Spd155743 hcode += ~(hcode << 9); 5524293d1fc4Spd155743 hcode ^= (hcode >> 14); 5525293d1fc4Spd155743 hcode += (hcode << 4); 5526293d1fc4Spd155743 hcode ^= (hcode >> 10); 5527293d1fc4Spd155743 5528293d1fc4Spd155743 return ((int)(hcode % hnc_size)); 5529293d1fc4Spd155743 } 5530