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/* vi: set sw=4 ts=4: */
/*
* Mini logger implementation for busybox
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include "busybox.h"
#if !defined BB_SYSLOGD
#define SYSLOG_NAMES
#include <sys/syslog.h>
#else
#include <sys/syslog.h>
# ifndef __dietlibc__
/* We have to do this since the header file defines static
* structures. Argh.... bad libc, bad, bad...
*/
typedef struct _code {
char *c_name;
int c_val;
} CODE;
extern CODE prioritynames[];
extern CODE facilitynames[];
# endif
#endif
/* 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, CODE * codetab)
{
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)
error_msg_and_die("unknown facility name: %s", save);
*s++ = '.';
} else {
s = save;
}
lev = decode(s, prioritynames);
if (lev < 0)
error_msg_and_die("unknown priority name: %s", save);
return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK));
}
extern int logger_main(int argc, char **argv)
{
int pri = LOG_USER | LOG_NOTICE;
int option = 0;
int c, i, len, opt;
char *message=NULL, buf[1024], name[128];
/* Fill out the name string early (may be overwritten later) */
my_getpwuid(name, geteuid());
/* Parse any options */
while ((opt = getopt(argc, argv, "p:st:")) > 0) {
switch (opt) {
case 's':
option |= LOG_PERROR;
break;
case 'p':
pri = pencode(optarg);
break;
case 't':
strncpy(name, optarg, sizeof(name));
break;
default:
show_usage();
}
}
openlog(name, option, (pri | LOG_FACMASK));
if (optind == argc) {
do {
/* read from stdin */
i = 0;
while ((c = getc(stdin)) != EOF && c != '\n' &&
i < (sizeof(buf)-1)) {
buf[i++] = c;
}
if (i > 0) {
buf[i++] = '\0';
syslog(pri, "%s", buf);
}
} while (c != EOF);
} else {
len = 1; /* for the '\0' */
message=xcalloc(1, 1);
for (i = optind; i < argc; i++) {
len += strlen(argv[i]);
len += 1; /* for the space between the args */
message = xrealloc(message, len);
strcat(message, argv[i]);
strcat(message, " ");
}
message[strlen(message)-1] = '\0';
syslog(pri, "%s", message);
}
closelog();
return EXIT_SUCCESS;
}
/*-
* 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.
*/
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