source: branches/2.2.5/mindi-busybox/sysklogd/logger.c @ 1772

Last change on this file since 1772 was 1772, checked in by bruno, 12 years ago

Update mindi-busybox to 1.7.3

File size: 4.6 KB
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * Mini logger implementation for busybox
4 *
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
8 */
9
10#include "libbb.h"
11
12#if !defined CONFIG_SYSLOGD
13
14#define SYSLOG_NAMES
15#include <sys/syslog.h>
16
17#else
18#include <sys/syslog.h>
19#  ifndef __dietlibc__
20    /* We have to do this since the header file defines static
21     * structures.  Argh.... bad libc, bad, bad...
22     */
23    typedef struct _code {
24        char *c_name;
25        int c_val;
26    } CODE;
27    extern CODE prioritynames[];
28    extern CODE facilitynames[];
29#  endif
30#endif
31
32/* Decode a symbolic name to a numeric value
33 * this function is based on code
34 * Copyright (c) 1983, 1993
35 * The Regents of the University of California.  All rights reserved.
36 *
37 * Original copyright notice is retained at the end of this file.
38 */
39static int decode(char *name, CODE * codetab)
40{
41    CODE *c;
42
43    if (isdigit(*name))
44        return atoi(name);
45    for (c = codetab; c->c_name; c++) {
46        if (!strcasecmp(name, c->c_name)) {
47            return c->c_val;
48        }
49    }
50
51    return -1;
52}
53
54/* Decode a symbolic name to a numeric value
55 * this function is based on code
56 * Copyright (c) 1983, 1993
57 * The Regents of the University of California.  All rights reserved.
58 *
59 * Original copyright notice is retained at the end of this file.
60 */
61static int pencode(char *s)
62{
63    char *save;
64    int lev, fac = LOG_USER;
65
66    for (save = s; *s && *s != '.'; ++s)
67        ;
68    if (*s) {
69        *s = '\0';
70        fac = decode(save, facilitynames);
71        if (fac < 0)
72            bb_error_msg_and_die("unknown %s name: %s", "facility", save);
73        *s++ = '.';
74    } else {
75        s = save;
76    }
77    lev = decode(s, prioritynames);
78    if (lev < 0)
79        bb_error_msg_and_die("unknown %s name: %s", "priority", save);
80    return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK));
81}
82
83
84int logger_main(int argc, char **argv);
85int logger_main(int argc, char **argv)
86{
87    char *str_p, *str_t;
88    int i = 0;
89    char name[80];
90
91    /* Fill out the name string early (may be overwritten later) */
92    bb_getpwuid(name, sizeof(name), geteuid());
93    str_t = name;
94
95    /* Parse any options */
96    getopt32(argv, "p:st:", &str_p, &str_t);
97
98    if (option_mask32 & 0x2) /* -s */
99        i |= LOG_PERROR;
100    //if (option_mask32 & 0x4) /* -t */
101    openlog(str_t, i, 0);
102    i = LOG_USER | LOG_NOTICE;
103    if (option_mask32 & 0x1) /* -p */
104        i = pencode(str_p);
105
106    argc -= optind;
107    argv += optind;
108    if (!argc) {
109#define strbuf bb_common_bufsiz1
110        while (fgets(strbuf, COMMON_BUFSIZE, stdin)) {
111            if (strbuf[0]
112             && NOT_LONE_CHAR(strbuf, '\n')
113            ) {
114                /* Neither "" nor "\n" */
115                syslog(i, "%s", strbuf);
116            }
117        }
118    } else {
119        char *message = NULL;
120        int len = 0;
121        int pos = 0;
122        do {
123            len += strlen(*argv) + 1;
124            message = xrealloc(message, len + 1);
125            sprintf(message + pos, " %s", *argv),
126            pos = len;
127        } while (*++argv);
128        syslog(i, "%s", message + 1); /* skip leading " " */
129    }
130
131    closelog();
132    return EXIT_SUCCESS;
133}
134
135
136/*-
137 * Copyright (c) 1983, 1993
138 *  The Regents of the University of California.  All rights reserved.
139 *
140 * This is the original license statement for the decode and pencode functions.
141 *
142 * Redistribution and use in source and binary forms, with or without
143 * modification, are permitted provided that the following conditions
144 * are met:
145 * 1. Redistributions of source code must retain the above copyright
146 *    notice, this list of conditions and the following disclaimer.
147 * 2. Redistributions in binary form must reproduce the above copyright
148 *    notice, this list of conditions and the following disclaimer in the
149 *    documentation and/or other materials provided with the distribution.
150 *
151 * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
152 *      ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
153 *
154 * 4. Neither the name of the University nor the names of its contributors
155 *    may be used to endorse or promote products derived from this software
156 *    without specific prior written permission.
157 *
158 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
159 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
160 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
161 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
162 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
163 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
164 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
165 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
166 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
167 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
168 * SUCH DAMAGE.
169 */
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