crypto/dist/heimdal/appl/ftp/ftpd/logwtmp.c

   1 /*
   2  * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
   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("$Heimdal: logwtmp.c 9079 2000-09-19 13:17:20Z assar $"
  37         "$NetBSD$");
  38 #endif
  39
  40 #include <stdio.h>
  41 #include <string.h>
  42 #ifdef TIME_WITH_SYS_TIME
  43 #include <sys/time.h>
  44 #include <time.h>
  45 #elif defined(HAVE_SYS_TIME_H)
  46 #include <sys/time.h>
  47 #else
  48 #include <time.h>
  49 #endif
  50 #ifdef HAVE_UNISTD_H
  51 #include <unistd.h>
  52 #endif
  53 #ifdef HAVE_FCNTL_H
  54 #include <fcntl.h>
  55 #endif
  56 #ifdef HAVE_UTMP_H
  57 #include <utmp.h>
  58 #endif
  59 #ifdef HAVE_UTMPX_H
  60 #include <utmpx.h>
  61 #endif
  62 #include <roken.h>
  63 #include "extern.h"
  64
  65 #ifndef WTMP_FILE
  66 #ifdef _PATH_WTMP
  67 #define WTMP_FILE _PATH_WTMP
  68 #else
  69 #define WTMP_FILE "/var/adm/wtmp"
  70 #endif
  71 #endif
  72
  73 void
  74 ftpd_logwtmp(char *line, char *name, char *host)
  75 {
  76     static int init = 0;
  77     static int fd;
  78 #ifdef WTMPX_FILE
  79     static int fdx;
  80 #endif
  81     struct utmp ut;
  82 #ifdef WTMPX_FILE
  83     struct utmpx utx;
  84 #endif
  85
  86     memset(&ut, 0, sizeof(struct utmp));
  87 #ifdef HAVE_STRUCT_UTMP_UT_TYPE
  88     if(name[0])
  89         ut.ut_type = USER_PROCESS;
  90     else
  91         ut.ut_type = DEAD_PROCESS;
  92 #endif
  93     strncpy(ut.ut_line, line, sizeof(ut.ut_line));
  94     strncpy(ut.ut_name, name, sizeof(ut.ut_name));
  95 #ifdef HAVE_STRUCT_UTMP_UT_PID
  96     ut.ut_pid = getpid();
  97 #endif
  98 #ifdef HAVE_STRUCT_UTMP_UT_HOST
  99     strncpy(ut.ut_host, host, sizeof(ut.ut_host));
 100 #endif
 101     ut.ut_time = time(NULL);
 102
 103 #ifdef WTMPX_FILE
 104     strncpy(utx.ut_line, line, sizeof(utx.ut_line));
 105     strncpy(utx.ut_user, name, sizeof(utx.ut_user));
 106     strncpy(utx.ut_host, host, sizeof(utx.ut_host));
 107 #ifdef HAVE_STRUCT_UTMPX_UT_SYSLEN
 108     utx.ut_syslen = strlen(host) + 1;
 109     if (utx.ut_syslen > sizeof(utx.ut_host))
 110         utx.ut_syslen = sizeof(utx.ut_host);
 111 #endif
 112     {
 113         struct timeval tv;
 114
 115         gettimeofday (&tv, 0);
 116         utx.ut_tv.tv_sec = tv.tv_sec;
 117         utx.ut_tv.tv_usec = tv.tv_usec;
 118     }
 119
 120     if(name[0])
 121         utx.ut_type = USER_PROCESS;
 122     else
 123         utx.ut_type = DEAD_PROCESS;
 124 #endif
 125
 126     if(!init){
 127         fd = open(WTMP_FILE, O_WRONLY|O_APPEND, 0);
 128 #ifdef WTMPX_FILE
 129         fdx = open(WTMPX_FILE, O_WRONLY|O_APPEND, 0);
 130 #endif
 131         init = 1;
 132     }
 133     if(fd >= 0) {
 134         write(fd, &ut, sizeof(struct utmp)); /* XXX */
 135 #ifdef WTMPX_FILE
 136         write(fdx, &utx, sizeof(struct utmpx));
 137 #endif
 138     }
 139 }