usr/src/cmd/tip/log.c

   1 /*
   2  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
   3  * Use is subject to license terms.
   4  */
   5
   6 /*
   7  * Copyright (c) 1983 Regents of the University of California.
   8  * All rights reserved. The Berkeley software License Agreement
   9  * specifies the terms and conditions for redistribution.
  10  */
  11
  12 #pragma ident   "%Z%%M% %I%     %E% SMI"
  13
  14 #include "tip.h"
  15
  16 static  FILE *flog = NULL;
  17
  18 /*
  19  * Log file maintenance routines
  20  */
  21 void
  22 logent(char *group, char *num, char *acu, char *message)
  23 {
  24         char *user, *timestamp;
  25         struct passwd *pwd;
  26         time_t t;
  27
  28         if (flog == NULL)
  29                 return;
  30 #ifndef USG
  31         if (flock(fileno(flog), LOCK_EX) < 0) {
  32                 perror("tip: flock");
  33                 return;
  34         }
  35 #endif
  36         if ((user = getlogin()) == NOSTR)
  37                 if ((pwd = getpwuid(uid)) == NOPWD)
  38                         user = "???";
  39                 else
  40                         user = pwd->pw_name;
  41         t = time(0);
  42         timestamp = ctime(&t);
  43         timestamp[24] = '\0';
  44         (void) fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
  45             user, timestamp, group,
  46 #ifdef PRISTINE
  47             "",
  48 #else
  49             num,
  50 #endif
  51             acu, message);
  52         (void) fflush(flog);
  53 #ifndef USG
  54         (void) flock(fileno(flog), LOCK_UN);
  55 #endif
  56 }
  57
  58 void
  59 loginit(void)
  60 {
  61
  62 #ifdef ACULOG
  63         flog = fopen(value(LOG), "a");
  64         if (flog == NULL)
  65                 (void) fprintf(stderr, "tip: can't open log file %s\r\n",
  66                     value(LOG));
  67 #endif
  68 }