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"
15 //usage: "\n -s Log to stderr as well as the system log"
16 //usage: "\n -t TAG Log using the specified tag (defaults to user name)"
17 //usage: "\n -p PRIO Priority (numeric or facility.level pair)"
19 //usage:#define logger_example_usage
20 //usage: "$ logger \"hello\"\n"
23 * Done in syslogd_and_logger.c:
26 #define SYSLOG_NAMES_CONST
30 /* Decode a symbolic name to a numeric value
31 * this function is based on code
32 * Copyright (c) 1983, 1993
33 * The Regents of the University of California. All rights reserved.
35 * Original copyright notice is retained at the end of this file.
37 static int decode(char *name, const CODE *codetab)
43 for (c = codetab; c->c_name; c++) {
44 if (!strcasecmp(name, c->c_name)) {
52 /* Decode a symbolic name to a numeric value
53 * this function is based on code
54 * Copyright (c) 1983, 1993
55 * The Regents of the University of California. All rights reserved.
57 * Original copyright notice is retained at the end of this file.
59 static int pencode(char *s)
62 int lev, fac = LOG_USER;
64 for (save = s; *s && *s != '.'; ++s)
68 fac = decode(save, facilitynames);
70 bb_error_msg_and_die("unknown %s name: %s", "facility", save);
75 lev = decode(s, prioritynames);
77 bb_error_msg_and_die("unknown %s name: %s", "priority", save);
78 return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK));
81 #define strbuf bb_common_bufsiz1
83 int logger_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
84 int logger_main(int argc UNUSED_PARAM, char **argv)
90 /* Fill out the name string early (may be overwritten later) */
91 str_t = uid2uname_utoa(geteuid());
93 /* Parse any options */
94 opt = getopt32(argv, "p:st:", &str_p, &str_t);
96 if (opt & 0x2) /* -s */
98 //if (opt & 0x4) /* -t */
100 i = LOG_USER | LOG_NOTICE;
101 if (opt & 0x1) /* -p */
106 while (fgets(strbuf, COMMON_BUFSIZE, stdin)) {
108 && NOT_LONE_CHAR(strbuf, '\n')
110 /* Neither "" nor "\n" */
111 syslog(i, "%s", strbuf);
115 char *message = NULL;
119 len += strlen(*argv) + 1;
120 message = xrealloc(message, len + 1);
121 sprintf(message + pos, " %s", *argv),
124 syslog(i, "%s", message + 1); /* skip leading " " */
131 /* Clean up. Needed because we are included from syslogd_and_logger.c */
135 * Copyright (c) 1983, 1993
136 * The Regents of the University of California. All rights reserved.
138 * This is the original license statement for the decode and pencode functions.
140 * Redistribution and use in source and binary forms, with or without
141 * modification, are permitted provided that the following conditions
143 * 1. Redistributions of source code must retain the above copyright
144 * notice, this list of conditions and the following disclaimer.
145 * 2. Redistributions in binary form must reproduce the above copyright
146 * notice, this list of conditions and the following disclaimer in the
147 * documentation and/or other materials provided with the distribution.
149 * 3. BSD Advertising Clause omitted per the July 22, 1999 licensing change
150 * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
152 * 4. Neither the name of the University nor the names of its contributors
153 * may be used to endorse or promote products derived from this software
154 * without specific prior written permission.
156 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
157 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
158 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
159 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
160 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
161 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
162 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
163 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
164 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
165 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF