+/* vi: set sw=4 ts=4: */
/*
* Mini logger implementation for busybox
*
- * Copyright (C) 1999 by Lineo, inc.
+ * Copyright (C) 1999,2000 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
*
*/
-#include "internal.h"
+#include "busybox.h"
#include <stdio.h>
-#include <sys/socket.h>
-#include <sys/un.h>
#include <unistd.h>
-#include <time.h>
#include <sys/types.h>
-#include <sys/stat.h>
#include <fcntl.h>
-#include <signal.h>
#include <ctype.h>
-#include <netdb.h>
#if !defined BB_SYSLOGD
#else
/* We have to do this since the header file defines static
- * structues. Argh.... bad libc, bad, bad...
+ * structures. Argh.... bad libc, bad, bad...
*/
#include <sys/syslog.h>
typedef struct _code {
- char *c_name;
- int c_val;
+ char *c_name;
+ int c_val;
} CODE;
extern CODE prioritynames[];
extern CODE facilitynames[];
#endif
-static const char logger_usage[] =
- "logger [OPTION]... [MESSAGE]\n\n"
- "Write MESSAGE to the system log. If MESSAGE is '-', log stdin.\n\n"
- "Options:\n"
- "\t-s\tLog to stderr as well as the system log.\n"
- "\t-p\tEnter the message with the specified priority.\n"
- "\t\tThis may be numerical or a ``facility.level'' pair.\n";
-
-
/* 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)
+static int decode(char *name, CODE * codetab)
{
- CODE *c;
+ 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);
+ 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);
+ 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)
+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) {
- fprintf(stderr, "unknown facility name: %s\n", save);
- exit( FALSE);
+ 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\n", save);
+ *s++ = '.';
+ } else {
+ s = save;
}
- *s++ = '.';
- }
- else {
- s = save;
- }
- lev = decode(s, prioritynames);
- if (lev < 0) {
- fprintf(stderr, "unknown priority name: %s\n", save);
- exit( FALSE);
- }
- return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK));
+ lev = decode(s, prioritynames);
+ if (lev < 0)
+ error_msg_and_die("unknown priority name: %s\n", save);
+ return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK));
}
extern int logger_main(int argc, char **argv)
{
- struct sockaddr_un sunx;
- int fd, pri = LOG_USER|LOG_NOTICE;
- int fromStdinFlag=FALSE;
- int toStdErrFlag=FALSE;
- int stopLookingAtMeLikeThat=FALSE;
- char *message, buf[1024], buf1[1024];
- time_t now;
- size_t addrLength;
-
- /* Parse any options */
- while (--argc > 0 && **(++argv) == '-') {
- if (*((*argv)+1) == '\0') {
- fromStdinFlag=TRUE;
- }
- stopLookingAtMeLikeThat=FALSE;
- while (*(++(*argv)) && stopLookingAtMeLikeThat==FALSE) {
- switch (**argv) {
- case 's':
- toStdErrFlag = TRUE;
- break;
- case 'p':
- if (--argc == 0) {
- usage(logger_usage);
+ int pri = LOG_USER | LOG_NOTICE;
+ int option = 0;
+ int fromStdinFlag = FALSE;
+ int stopLookingAtMeLikeThat = FALSE;
+ 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 (--argc > 0 && **(++argv) == '-') {
+ if (*((*argv) + 1) == '\0') {
+ fromStdinFlag = TRUE;
+ }
+ stopLookingAtMeLikeThat = FALSE;
+ while (*(++(*argv)) && stopLookingAtMeLikeThat == FALSE) {
+ switch (**argv) {
+ case 's':
+ option |= LOG_PERROR;
+ break;
+ case 'p':
+ if (--argc == 0) {
+ usage(logger_usage);
+ }
+ pri = pencode(*(++argv));
+ stopLookingAtMeLikeThat = TRUE;
+ break;
+ case 't':
+ if (--argc == 0) {
+ usage(logger_usage);
+ }
+ strncpy(name, *(++argv), sizeof(name));
+ stopLookingAtMeLikeThat = TRUE;
+ break;
+ default:
+ usage(logger_usage);
+ }
}
- pri = pencode(*(++argv));
- stopLookingAtMeLikeThat=TRUE;
- break;
- default:
- usage(logger_usage);
- }
}
- }
- if (fromStdinFlag==TRUE) {
- /* read from stdin */
- int c, i=0;
- while ((c = getc(stdin)) != EOF && i<sizeof(buf1)) {
- buf1[i++]=c;
- }
- message=buf1;
- } else {
- if (argc>=1) {
- message=*argv;
+ if (fromStdinFlag == TRUE) {
+ /* read from stdin */
+ int c;
+ unsigned int i = 0;
+
+ while ((c = getc(stdin)) != EOF && i < sizeof(buf)) {
+ buf[i++] = c;
+ }
+ message = buf;
} else {
- fprintf(stderr, "No message\n");
- exit( FALSE);
+ if (argc >= 1) {
+ int len = 1; /* for the '\0' */
+ for (; *argv != NULL; argv++) {
+ len += strlen(*argv);
+ len += 1; /* for the space between the args */
+ message = xrealloc(message, len);
+ strcat(message, *argv);
+ strcat(message, " ");
+ }
+ message[strlen(message)-1] = '\0';
+ } else {
+ error_msg_and_die("No message\n");
+ }
}
- }
- memset(&sunx, 0, sizeof(sunx));
- sunx.sun_family = AF_UNIX; /* Unix domain socket */
- strncpy(sunx.sun_path, _PATH_LOG, sizeof(sunx.sun_path));
- if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0 ) {
- perror("Couldn't obtain descriptor for socket " _PATH_LOG);
- exit( FALSE);
- }
+ openlog(name, option, (pri | LOG_FACMASK));
+ syslog(pri, "%s", message);
+ closelog();
- addrLength = sizeof(sunx.sun_family) + strlen(sunx.sun_path);
+ return EXIT_SUCCESS;
+}
- if (connect(fd, (struct sockaddr *) &sunx, addrLength)) {
- perror("Could not connect to socket " _PATH_LOG);
- exit( FALSE);
- }
- time(&now);
- snprintf (buf, sizeof(buf), "<%d>%.15s %s", pri, ctime(&now)+4, message);
-
- if (toStdErrFlag==TRUE)
- fprintf(stderr, "%s\n", buf);
+/*-
+ * 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.
+ */
- write( fd, buf, sizeof(buf));
- close(fd);
- exit( TRUE);
-}
projects / oweals / busybox.git / blobdiff