1 /* 2 * Copyright (c) 1995 - 2000 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 1.15 2000/09/19 13:17:05 assar 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 <roken.h> 62 #include "extern.h" 63 64 #ifndef WTMP_FILE 65 #ifdef _PATH_WTMP 66 #define WTMP_FILE _PATH_WTMP 67 #else 68 #define WTMP_FILE "/var/adm/wtmp" 69 #endif 70 #endif 71 72 void 73 ftpd_logwtmp(char *line, char *name, char *host) 74 { 75 static int init = 0; 76 static int fd; 77 #ifdef WTMPX_FILE 78 static int fdx; 79 #endif 80 struct utmp ut; 81 #ifdef WTMPX_FILE 82 struct utmpx utx; 83 #endif 84 85 memset(&ut, 0, sizeof(struct utmp)); 86 #ifdef HAVE_STRUCT_UTMP_UT_TYPE 87 if(name[0]) 88 ut.ut_type = USER_PROCESS; 89 else 90 ut.ut_type = DEAD_PROCESS; 91 #endif 92 strncpy(ut.ut_line, line, sizeof(ut.ut_line)); 93 strncpy(ut.ut_name, name, sizeof(ut.ut_name)); 94 #ifdef HAVE_STRUCT_UTMP_UT_PID 95 ut.ut_pid = getpid(); 96 #endif 97 #ifdef HAVE_STRUCT_UTMP_UT_HOST 98 strncpy(ut.ut_host, host, sizeof(ut.ut_host)); 99 #endif 100 ut.ut_time = time(NULL); 101 102 #ifdef WTMPX_FILE 103 strncpy(utx.ut_line, line, sizeof(utx.ut_line)); 104 strncpy(utx.ut_user, name, sizeof(utx.ut_user)); 105 strncpy(utx.ut_host, host, sizeof(utx.ut_host)); 106 #ifdef HAVE_STRUCT_UTMPX_UT_SYSLEN 107 utx.ut_syslen = strlen(host) + 1; 108 if (utx.ut_syslen > sizeof(utx.ut_host)) 109 utx.ut_syslen = sizeof(utx.ut_host); 110 #endif 111 { 112 struct timeval tv; 113 114 gettimeofday (&tv, 0); 115 utx.ut_tv.tv_sec = tv.tv_sec; 116 utx.ut_tv.tv_usec = tv.tv_usec; 117 } 118 119 if(name[0]) 120 utx.ut_type = USER_PROCESS; 121 else 122 utx.ut_type = DEAD_PROCESS; 123 #endif 124 125 if(!init){ 126 fd = open(WTMP_FILE, O_WRONLY|O_APPEND, 0); 127 #ifdef WTMPX_FILE 128 fdx = open(WTMPX_FILE, O_WRONLY|O_APPEND, 0); 129 #endif 130 init = 1; 131 } 132 if(fd >= 0) { 133 write(fd, &ut, sizeof(struct utmp)); /* XXX */ 134 #ifdef WTMPX_FILE 135 write(fdx, &utx, sizeof(struct utmpx)); 136 #endif 137 } 138 } 139