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Annotation of src/usr.bin/tip/log.c, Revision 1.5

1.5     ! millert     1: /*     $OpenBSD: log.c,v 1.4 2001/07/12 05:17:24 deraadt Exp $ */
1.1       deraadt     2: /*     $NetBSD: log.c,v 1.4 1994/12/24 17:56:28 cgd Exp $      */
                      3:
                      4: /*
                      5:  * Copyright (c) 1983, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     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:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *     This product includes software developed by the University of
                     19:  *     California, Berkeley and its contributors.
                     20:  * 4. Neither the name of the University nor the names of its contributors
                     21:  *    may be used to endorse or promote products derived from this software
                     22:  *    without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     34:  * SUCH DAMAGE.
                     35:  */
                     36:
                     37: #ifndef lint
                     38: #if 0
                     39: static char sccsid[] = "@(#)log.c      8.1 (Berkeley) 6/6/93";
                     40: #endif
1.5     ! millert    41: static char rcsid[] = "$OpenBSD: log.c,v 1.4 2001/07/12 05:17:24 deraadt Exp $";
1.1       deraadt    42: #endif /* not lint */
                     43:
                     44: #include "tip.h"
                     45:
                     46: #ifdef ACULOG
                     47: static FILE *flog = NULL;
                     48:
                     49: /*
                     50:  * Log file maintenance routines
                     51:  */
1.3       deraadt    52: void
1.1       deraadt    53: logent(group, num, acu, message)
                     54:        char *group, *num, *acu, *message;
                     55: {
                     56:        char *user, *timestamp;
                     57:        struct passwd *pwd;
                     58:        time_t t;
                     59:
                     60:        if (flog == NULL)
                     61:                return;
                     62:        if (flock(fileno(flog), LOCK_EX) < 0) {
1.5     ! millert    63:                perror("flock");
1.1       deraadt    64:                return;
                     65:        }
1.4       deraadt    66:        if ((user = getlogin()) == NOSTR) {
1.1       deraadt    67:                if ((pwd = getpwuid(getuid())) == NOPWD)
                     68:                        user = "???";
                     69:                else
                     70:                        user = pwd->pw_name;
1.4       deraadt    71:        }
1.1       deraadt    72:        t = time(0);
                     73:        timestamp = ctime(&t);
                     74:        timestamp[24] = '\0';
                     75:        fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
                     76:                user, timestamp, group,
                     77: #ifdef PRISTINE
                     78:                "",
                     79: #else
                     80:                num,
                     81: #endif
                     82:                acu, message);
                     83:        (void) fflush(flog);
                     84:        (void) flock(fileno(flog), LOCK_UN);
                     85: }
                     86:
1.3       deraadt    87: void
1.1       deraadt    88: loginit()
                     89: {
                     90:        flog = fopen(value(LOG), "a");
                     91:        if (flog == NULL)
                     92:                fprintf(stderr, "can't open log file %s.\r\n", value(LOG));
                     93: }
                     94: #endif