1 /* vi: set sw=4 ts=4: */
3 * Mini logger implementation for busybox
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
10 //usage:#define logger_trivial_usage
11 //usage: "[OPTIONS] [MESSAGE]"
12 //usage:#define logger_full_usage "\n\n"
13 //usage: "Write MESSAGE (or stdin) to syslog\n"
14 //usage: "\n -s Log to stderr as well as the system log"
15 //usage: "\n -t TAG Log using the specified tag (defaults to user name)"
16 //usage: "\n -p PRIO Priority (numeric or facility.level pair)"
18 //usage:#define logger_example_usage
19 //usage: "$ logger \"hello\"\n"
22 * Done in syslogd_and_logger.c:
25 #define SYSLOG_NAMES_CONST
29 /* Decode a symbolic name to a numeric value
30 * this function is based on code
31 * Copyright (c) 1983, 1993
32 * The Regents of the University of California. All rights reserved.
34 * Original copyright notice is retained at the end of this file.
36 static int decode(char *name, const CODE *codetab)
42 for (c = codetab; c->c_name; c++) {
43 if (!strcasecmp(name, c->c_name)) {
51 /* Decode a symbolic name to a numeric value
52 * this function is based on code
53 * Copyright (c) 1983, 1993
54 * The Regents of the University of California. All rights reserved.
56 * Original copyright notice is retained at the end of this file.
58 static int pencode(char *s)
61 int lev, fac = LOG_USER;
63 for (save = s; *s && *s != '.'; ++s)
67 fac = decode(save, facilitynames);
69 bb_error_msg_and_die("unknown %s name: %s", "facility", save);
74 lev = decode(s, prioritynames);
76 bb_error_msg_and_die("unknown %s name: %s", "priority", save);
77 return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK));
80 #define strbuf bb_common_bufsiz1
82 int logger_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
83 int logger_main(int argc UNUSED_PARAM, char **argv)
89 /* Fill out the name string early (may be overwritten later) */
90 str_t = uid2uname_utoa(geteuid());
92 /* Parse any options */
93 opt = getopt32(argv, "p:st:", &str_p, &str_t);
95 if (opt & 0x2) /* -s */
97 //if (opt & 0x4) /* -t */
99 i = LOG_USER | LOG_NOTICE;
100 if (opt & 0x1) /* -p */
105 while (fgets(strbuf, COMMON_BUFSIZE, stdin)) {
107 && NOT_LONE_CHAR(strbuf, '\n')
109 /* Neither "" nor "\n" */
110 syslog(i, "%s", strbuf);
114 char *message = NULL;
118 len += strlen(*argv) + 1;
119 message = xrealloc(message, len + 1);
120 sprintf(message + pos, " %s", *argv),
123 syslog(i, "%s", message + 1); /* skip leading " " */
130 /* Clean up. Needed because we are included from syslogd_and_logger.c */
134 * Copyright (c) 1983, 1993
135 * The Regents of the University of California. All rights reserved.
137 * This is the original license statement for the decode and pencode functions.
139 * Redistribution and use in source and binary forms, with or without
140 * modification, are permitted provided that the following conditions
142 * 1. Redistributions of source code must retain the above copyright
143 * notice, this list of conditions and the following disclaimer.
144 * 2. Redistributions in binary form must reproduce the above copyright
145 * notice, this list of conditions and the following disclaimer in the
146 * documentation and/or other materials provided with the distribution.
148 * 3. BSD Advertising Clause omitted per the July 22, 1999 licensing change
149 * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
151 * 4. Neither the name of the University nor the names of its contributors
152 * may be used to endorse or promote products derived from this software
153 * without specific prior written permission.
155 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
156 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
157 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
158 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
159 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
160 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
161 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
162 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
163 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
164 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF