170 lines
4.6 KiB
C
170 lines
4.6 KiB
C
/* 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 tarball for details.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
|
|
#if !defined CONFIG_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)
|
|
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));
|
|
}
|
|
|
|
|
|
int logger_main(int argc, char **argv);
|
|
int logger_main(int argc, char **argv)
|
|
{
|
|
char *str_p, *str_t;
|
|
int i = 0;
|
|
char name[80];
|
|
|
|
/* Fill out the name string early (may be overwritten later) */
|
|
bb_getpwuid(name, geteuid(), sizeof(name));
|
|
str_t = name;
|
|
|
|
/* Parse any options */
|
|
getopt32(argc, argv, "p:st:", &str_p, &str_t);
|
|
|
|
if (option_mask32 & 0x2) /* -s */
|
|
i |= LOG_PERROR;
|
|
//if (option_mask32 & 0x4) /* -t */
|
|
openlog(str_t, i, 0);
|
|
i = LOG_USER | LOG_NOTICE;
|
|
if (option_mask32 & 0x1) /* -p */
|
|
i = pencode(str_p);
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
if (!argc) {
|
|
#define strbuf bb_common_bufsiz1
|
|
while (fgets(strbuf, BUFSIZ, stdin)) {
|
|
if (strbuf[0]
|
|
&& NOT_LONE_CHAR(strbuf, '\n')
|
|
) {
|
|
/* Neither "" nor "\n" */
|
|
syslog(i, "%s", strbuf);
|
|
}
|
|
}
|
|
} else {
|
|
char *message = NULL;
|
|
int len = 1; /* for NUL */
|
|
int pos = 0;
|
|
do {
|
|
len += strlen(*argv) + 1;
|
|
message = xrealloc(message, len);
|
|
sprintf(message + pos, " %s", *argv),
|
|
pos = len;
|
|
} while (*++argv);
|
|
syslog(i, "%s", message + 1); /* skip leading " " */
|
|
}
|
|
|
|
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.
|
|
*/
|