/* vi: set sw=4 ts=4: *//* * Mini logger implementation for busybox * * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen * Copyright (C) 1999,2000,2001 by Erik Andersen <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. */