/* 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 /* We have to do this since the header file defines static * structures. Argh.... bad libc, bad, bad... */ #include <sys/syslog.h> typedef struct _code { char *c_name; int c_val; } CODE; extern CODE prioritynames[]; extern CODE facilitynames[]; #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(); } } if (optind == argc) { /* read from stdin */ i = 0; while ((c = getc(stdin)) != EOF && i < sizeof(buf)) { buf[i++] = c; } buf[i++] = '\0'; message = buf; } 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'; } openlog(name, option, (pri | LOG_FACMASK)); 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. */