crypto/heimdal-0.6.3/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("$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 }