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Annotation of src/usr.bin/tip/log.c, Revision 1.9

1.9     ! moritz      1: /*     $OpenBSD: log.c,v 1.8 2006/03/16 19:32:46 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.
1.7       millert    16:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  */
                     32:
                     33: #ifndef lint
                     34: #if 0
                     35: static char sccsid[] = "@(#)log.c      8.1 (Berkeley) 6/6/93";
                     36: #endif
1.9     ! moritz     37: static const char rcsid[] = "$OpenBSD: log.c,v 1.8 2006/03/16 19:32:46 deraadt Exp $";
1.1       deraadt    38: #endif /* not lint */
                     39:
                     40: #include "tip.h"
                     41:
                     42: #ifdef ACULOG
                     43: static FILE *flog = NULL;
                     44:
                     45: /*
                     46:  * Log file maintenance routines
                     47:  */
1.3       deraadt    48: void
1.8       deraadt    49: logent(char *group, char *num, char *acu, char *message)
1.1       deraadt    50: {
                     51:        char *user, *timestamp;
                     52:        struct passwd *pwd;
                     53:        time_t t;
                     54:
                     55:        if (flog == NULL)
                     56:                return;
                     57:        if (flock(fileno(flog), LOCK_EX) < 0) {
1.5       millert    58:                perror("flock");
1.1       deraadt    59:                return;
                     60:        }
1.9     ! moritz     61:        if ((user = getlogin()) == NULL) {
        !            62:                if ((pwd = getpwuid(getuid())) == NULL)
1.1       deraadt    63:                        user = "???";
                     64:                else
                     65:                        user = pwd->pw_name;
1.4       deraadt    66:        }
1.1       deraadt    67:        t = time(0);
                     68:        timestamp = ctime(&t);
                     69:        timestamp[24] = '\0';
                     70:        fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
                     71:                user, timestamp, group,
                     72: #ifdef PRISTINE
                     73:                "",
                     74: #else
                     75:                num,
                     76: #endif
                     77:                acu, message);
                     78:        (void) fflush(flog);
                     79:        (void) flock(fileno(flog), LOCK_UN);
                     80: }
                     81:
1.3       deraadt    82: void
1.8       deraadt    83: loginit(void)
1.1       deraadt    84: {
                     85:        flog = fopen(value(LOG), "a");
                     86:        if (flog == NULL)
                     87:                fprintf(stderr, "can't open log file %s.\r\n", value(LOG));
                     88: }
                     89: #endif