| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini logger implementation for busybox |
| * |
| * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
| * |
| * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| */ |
| |
| //usage:#define logger_trivial_usage |
| //usage: "[OPTIONS] [MESSAGE]" |
| //usage:#define logger_full_usage "\n\n" |
| //usage: "Write MESSAGE (or stdin) to syslog\n" |
| //usage: "\n -s Log to stderr as well as the system log" |
| //usage: "\n -t TAG Log using the specified tag (defaults to user name)" |
| //usage: "\n -p PRIO Priority (numeric or facility.level pair)" |
| //usage: |
| //usage:#define logger_example_usage |
| //usage: "$ logger \"hello\"\n" |
| |
| /* |
| * Done in syslogd_and_logger.c: |
| #include "libbb.h" |
| #define SYSLOG_NAMES |
| #define SYSLOG_NAMES_CONST |
| #include <syslog.h> |
| */ |
| |
| /* Decode a symbolic name to a numeric value |
| * this function is based on code |
| * Copyright (c) 1983, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Original copyright notice is retained at the end of this file. |
| */ |
| static int decode(char *name, const CODE *codetab) |
| { |
| const CODE *c; |
| |
| if (isdigit(*name)) |
| return atoi(name); |
| for (c = codetab; c->c_name; c++) { |
| if (!strcasecmp(name, c->c_name)) { |
| return c->c_val; |
| } |
| } |
| |
| return -1; |
| } |
| |
| /* Decode a symbolic name to a numeric value |
| * this function is based on code |
| * Copyright (c) 1983, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Original copyright notice is retained at the end of this file. |
| */ |
| static int pencode(char *s) |
| { |
| char *save; |
| int lev, fac = LOG_USER; |
| |
| for (save = s; *s && *s != '.'; ++s) |
| ; |
| if (*s) { |
| *s = '\0'; |
| fac = decode(save, facilitynames); |
| if (fac < 0) |
| bb_error_msg_and_die("unknown %s name: %s", "facility", save); |
| *s++ = '.'; |
| } else { |
| s = save; |
| } |
| lev = decode(s, prioritynames); |
| if (lev < 0) |
| bb_error_msg_and_die("unknown %s name: %s", "priority", save); |
| return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK)); |
| } |
| |
| #define strbuf bb_common_bufsiz1 |
| |
| int logger_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| int logger_main(int argc UNUSED_PARAM, char **argv) |
| { |
| char *str_p, *str_t; |
| int opt; |
| int i = 0; |
| |
| /* Fill out the name string early (may be overwritten later) */ |
| str_t = uid2uname_utoa(geteuid()); |
| |
| /* Parse any options */ |
| opt = getopt32(argv, "p:st:", &str_p, &str_t); |
| |
| if (opt & 0x2) /* -s */ |
| i |= LOG_PERROR; |
| //if (opt & 0x4) /* -t */ |
| openlog(str_t, i, 0); |
| i = LOG_USER | LOG_NOTICE; |
| if (opt & 0x1) /* -p */ |
| i = pencode(str_p); |
| |
| argv += optind; |
| if (!argv[0]) { |
| while (fgets(strbuf, COMMON_BUFSIZE, stdin)) { |
| if (strbuf[0] |
| && NOT_LONE_CHAR(strbuf, '\n') |
| ) { |
| /* Neither "" nor "\n" */ |
| syslog(i, "%s", strbuf); |
| } |
| } |
| } else { |
| char *message = NULL; |
| int len = 0; |
| int pos = 0; |
| do { |
| len += strlen(*argv) + 1; |
| message = xrealloc(message, len + 1); |
| sprintf(message + pos, " %s", *argv), |
| pos = len; |
| } while (*++argv); |
| syslog(i, "%s", message + 1); /* skip leading " " */ |
| } |
| |
| closelog(); |
| return EXIT_SUCCESS; |
| } |
| |
| /* Clean up. Needed because we are included from syslogd_and_logger.c */ |
| #undef strbuf |
| |
| /*- |
| * Copyright (c) 1983, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * This is the original license statement for the decode and pencode functions. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * 3. BSD Advertising Clause omitted per the July 22, 1999 licensing change |
| * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change |
| * |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |