usr.bin/tip/tip/log.c

   1 /*
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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  * @(#)log.c    8.1 (Berkeley) 6/6/93
  34  * $FreeBSD: src/usr.bin/tip/tip/log.c,v 1.4 1999/08/28 01:06:34 peter Exp $
  35  * $DragonFly: src/usr.bin/tip/tip/log.c,v 1.3 2005/04/19 05:32:02 cpressey Exp $
  36  */
  37
  38 #include "tipconf.h"
  39 #include "tip.h"
  40 #include <err.h>
  41
  42 #if ACULOG
  43 static  FILE *flog = NULL;
  44
  45 /*
  46  * Log file maintenance routines
  47  */
  48
  49 void
  50 logent(group, num, acu, message)
  51         char *group, *num, *acu, *message;
  52 {
  53         char *user, *timestamp;
  54         struct passwd *pwd;
  55         time_t t;
  56
  57         if (flog == NULL)
  58                 return;
  59         if (flock(fileno(flog), LOCK_EX) < 0) {
  60                 warn("flock");
  61                 return;
  62         }
  63         if ((user = getlogin()) == NULL)
  64                 if ((pwd = getpwuid(getuid())) == NULL)
  65                         user = "???";
  66                 else
  67                         user = pwd->pw_name;
  68         t = time(0);
  69         timestamp = ctime(&t);
  70         timestamp[24] = '\0';
  71         fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
  72                 user, timestamp, group,
  73 #if PRISTINE
  74                 "",
  75 #else
  76                 num,
  77 #endif
  78                 acu, message);
  79         (void) fflush(flog);
  80         (void) flock(fileno(flog), LOCK_UN);
  81 }
  82
  83 void
  84 loginit()
  85 {
  86         flog = fopen(value(LOG), "a");
  87         if (flog == NULL)
  88                 fprintf(stderr, "can't open log file %s.\r\n", value(LOG));
  89 }
  90 #endif