logger.c, logger.1:

Initial checkin.  No change from BSD sources.
This commit is contained in:
gdr-ftp 1998-06-21 04:21:04 +00:00
parent 560e9a67ad
commit 40d932969c
2 changed files with 292 additions and 0 deletions

100
usr.bin/logger/logger.1 Normal file
View File

@ -0,0 +1,100 @@
.\" Copyright (c) 1983, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" 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. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 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.
.\"
.\" @(#)logger.1 8.1 (Berkeley) 6/6/93
.\"
.Dd June 6, 1993
.Dt LOGGER 1
.Os BSD 4.3
.Sh NAME
.Nm logger
.Nd make entries in the system log
.Sh SYNOPSIS
.Nm logger
.Op Fl is
.Op Fl f Ar file
.Op Fl p Ar pri
.Op Fl t Ar tag
.Op Ar message ...
.Sh DESCRIPTION
.Nm Logger
provides a shell command interface to the
.Xr syslog 3
system log module.
.Pp
Options:
.Pp
.Bl -tag -width "message"
.It Fl i
Log the process id of the logger process
with each line.
.It Fl s
Log the message to standard error, as well as the system log.
.It Fl f Ar file
Log the specified file.
.It Fl p Ar pri
Enter the message with the specified priority.
The priority may be specified numerically or as a ``facility.level''
pair.
For example, ``\-p local3.info'' logs the message(s) as
.Ar info Ns rmational
level in the
.Ar local3
facility.
The default is ``user.notice.''
.It Fl t Ar tag
Mark every line in the log with the specified
.Ar tag .
.It Ar message
Write the message to log; if not specified, and the
.Fl f
flag is not
provided, standard input is logged.
.El
.Pp
The
.Nm logger
utility exits 0 on success, and >0 if an error occurs.
.Sh EXAMPLES
.Bd -literal -offset indent -compact
logger System rebooted
logger \-p local0.notice \-t HOSTIDM \-f /dev/idmc
.Ed
.Sh SEE ALSO
.Xr syslog 3 ,
.Xr syslogd 8
.Sh STANDARDS
The
.Nm logger
command is expected to be
.St -p1003.2
compatible.

192
usr.bin/logger/logger.c Normal file
View File

@ -0,0 +1,192 @@
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1983, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)logger.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#define SYSLOG_NAMES
#include <syslog.h>
int decode __P((char *, CODE *));
int pencode __P((char *));
void usage __P((void));
/*
* logger -- read and log utility
*
* Reads from an input and arranges to write the result on the system
* log.
*/
int
main(argc, argv)
int argc;
char *argv[];
{
int ch, logflags, pri;
char *tag, buf[1024];
tag = NULL;
pri = LOG_NOTICE;
logflags = 0;
while ((ch = getopt(argc, argv, "f:ip:st:")) != EOF)
switch((char)ch) {
case 'f': /* file to log */
if (freopen(optarg, "r", stdin) == NULL) {
(void)fprintf(stderr, "logger: %s: %s.\n",
optarg, strerror(errno));
exit(1);
}
break;
case 'i': /* log process id also */
logflags |= LOG_PID;
break;
case 'p': /* priority */
pri = pencode(optarg);
break;
case 's': /* log to standard error */
logflags |= LOG_PERROR;
break;
case 't': /* tag */
tag = optarg;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
/* setup for logging */
openlog(tag ? tag : getlogin(), logflags, 0);
(void) fclose(stdout);
/* log input line if appropriate */
if (argc > 0) {
register char *p, *endp;
int len;
for (p = buf, endp = buf + sizeof(buf) - 2; *argv;) {
len = strlen(*argv);
if (p + len > endp && p > buf) {
syslog(pri, "%s", buf);
p = buf;
}
if (len > sizeof(buf) - 1)
syslog(pri, "%s", *argv++);
else {
if (p != buf)
*p++ = ' ';
bcopy(*argv++, p, len);
*(p += len) = '\0';
}
}
if (p != buf)
syslog(pri, "%s", buf);
} else
while (fgets(buf, sizeof(buf), stdin) != NULL)
syslog(pri, "%s", buf);
exit(0);
}
/*
* Decode a symbolic name to a numeric value
*/
int
pencode(s)
register char *s;
{
char *save;
int fac, lev;
for (save = s; *s && *s != '.'; ++s);
if (*s) {
*s = '\0';
fac = decode(save, facilitynames);
if (fac < 0) {
(void)fprintf(stderr,
"logger: unknown facility name: %s.\n", save);
exit(1);
}
*s++ = '.';
}
else {
fac = 0;
s = save;
}
lev = decode(s, prioritynames);
if (lev < 0) {
(void)fprintf(stderr,
"logger: unknown priority name: %s.\n", save);
exit(1);
}
return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK));
}
int
decode(name, codetab)
char *name;
CODE *codetab;
{
register 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);
}
void
usage()
{
(void)fprintf(stderr,
"logger: [-is] [-f file] [-p pri] [-t tag] [ message ... ]\n");
exit(1);
}