1 /* 2 * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifdef HAVE_CONFIG_H 35 #include <config.h> 36 RCSID("$Id: logwtmp.c,v 1.14 1999/12/02 16:58:31 joda Exp $"); 37 #endif 38 39 #include <stdio.h> 40 #include <string.h> 41 #ifdef TIME_WITH_SYS_TIME 42 #include <sys/time.h> 43 #include <time.h> 44 #elif defined(HAVE_SYS_TIME_H) 45 #include <sys/time.h> 46 #else 47 #include <time.h> 48 #endif 49 #ifdef HAVE_UNISTD_H 50 #include <unistd.h> 51 #endif 52 #ifdef HAVE_FCNTL_H 53 #include <fcntl.h> 54 #endif 55 #ifdef HAVE_UTMP_H 56 #include <utmp.h> 57 #endif 58 #ifdef HAVE_UTMPX_H 59 #include <utmpx.h> 60 #endif 61 #include "extern.h" 62 63 #ifndef WTMP_FILE 64 #ifdef _PATH_WTMP 65 #define WTMP_FILE _PATH_WTMP 66 #else 67 #define WTMP_FILE "/var/adm/wtmp" 68 #endif 69 #endif 70 71 void 72 ftpd_logwtmp(char *line, char *name, char *host) 73 { 74 static int init = 0; 75 static int fd; 76 #ifdef WTMPX_FILE 77 static int fdx; 78 #endif 79 struct utmp ut; 80 #ifdef WTMPX_FILE 81 struct utmpx utx; 82 #endif 83 84 memset(&ut, 0, sizeof(struct utmp)); 85 #ifdef HAVE_STRUCT_UTMP_UT_TYPE 86 if(name[0]) 87 ut.ut_type = USER_PROCESS; 88 else 89 ut.ut_type = DEAD_PROCESS; 90 #endif 91 strncpy(ut.ut_line, line, sizeof(ut.ut_line)); 92 strncpy(ut.ut_name, name, sizeof(ut.ut_name)); 93 #ifdef HAVE_STRUCT_UTMP_UT_PID 94 ut.ut_pid = getpid(); 95 #endif 96 #ifdef HAVE_STRUCT_UTMP_UT_HOST 97 strncpy(ut.ut_host, host, sizeof(ut.ut_host)); 98 #endif 99 ut.ut_time = time(NULL); 100 101 #ifdef WTMPX_FILE 102 strncpy(utx.ut_line, line, sizeof(utx.ut_line)); 103 strncpy(utx.ut_user, name, sizeof(utx.ut_user)); 104 strncpy(utx.ut_host, host, sizeof(utx.ut_host)); 105 #ifdef HAVE_STRUCT_UTMPX_UT_SYSLEN 106 utx.ut_syslen = strlen(host) + 1; 107 if (utx.ut_syslen > sizeof(utx.ut_host)) 108 utx.ut_syslen = sizeof(utx.ut_host); 109 #endif 110 { 111 struct timeval tv; 112 113 gettimeofday (&tv, 0); 114 utx.ut_tv.tv_sec = tv.tv_sec; 115 utx.ut_tv.tv_usec = tv.tv_usec; 116 } 117 118 if(name[0]) 119 utx.ut_type = USER_PROCESS; 120 else 121 utx.ut_type = DEAD_PROCESS; 122 #endif 123 124 if(!init){ 125 fd = open(WTMP_FILE, O_WRONLY|O_APPEND, 0); 126 #ifdef WTMPX_FILE 127 fdx = open(WTMPX_FILE, O_WRONLY|O_APPEND, 0); 128 #endif 129 init = 1; 130 } 131 if(fd >= 0) { 132 write(fd, &ut, sizeof(struct utmp)); /* XXX */ 133 #ifdef WTMPX_FILE 134 write(fdx, &utx, sizeof(struct utmpx)); 135 #endif 136 } 137 } 138