blob: 505c8c33787a7dae19a1004aa233185133262fa2 [file] [log] [blame]
Damien Millerd4a8b7e1999-10-27 13:42:43 +10001/*
Damien Miller95def091999-11-25 00:26:21 +11002 * Author: Tatu Ylonen <ylo@cs.hut.fi>
Damien Miller95def091999-11-25 00:26:21 +11003 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4 * All rights reserved
Damien Miller95def091999-11-25 00:26:21 +11005 * Client-side versions of debug(), log(), etc. These print to stderr.
6 * This is a stripped down version of log-server.c.
Damien Miller4af51302000-04-16 11:18:38 +10007 *
Damien Millere4340be2000-09-16 13:29:08 +11008 * As far as I am concerned, the code I have written for this software
9 * can be used freely for any purpose. Any derived versions of this
10 * software must be clearly marked as such, and if the derived work is
11 * incompatible with the protocol description in the RFC file, it must be
12 * called by a name other than "ssh" or "Secure Shell".
13 *
14 *
15 * Copyright (c) 2000 Markus Friedl. All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
19 * are met:
20 * 1. Redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer.
22 * 2. Redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
27 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
28 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
29 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
30 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
31 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
35 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Damien Miller95def091999-11-25 00:26:21 +110036 */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100037
38#include "includes.h"
Damien Millere4340be2000-09-16 13:29:08 +110039RCSID("$OpenBSD: log-client.c,v 1.12 2000/09/12 20:53:10 markus Exp $");
Damien Millerd4a8b7e1999-10-27 13:42:43 +100040
41#include "xmalloc.h"
42#include "ssh.h"
43
Damien Miller5ce662a1999-11-11 17:57:39 +110044static LogLevel log_level = SYSLOG_LEVEL_INFO;
Damien Millerd4a8b7e1999-10-27 13:42:43 +100045
Damien Miller5ce662a1999-11-11 17:57:39 +110046/* Initialize the log.
Damien Miller95def091999-11-25 00:26:21 +110047 * av0 program name (should be argv[0])
48 * level logging level
49 */
Damien Miller5ce662a1999-11-11 17:57:39 +110050
51void
52log_init(char *av0, LogLevel level, SyslogFacility ignored1, int ignored2)
Damien Millerd4a8b7e1999-10-27 13:42:43 +100053{
Damien Miller95def091999-11-25 00:26:21 +110054 switch (level) {
55 case SYSLOG_LEVEL_QUIET:
56 case SYSLOG_LEVEL_ERROR:
57 case SYSLOG_LEVEL_FATAL:
58 case SYSLOG_LEVEL_INFO:
59 case SYSLOG_LEVEL_VERBOSE:
Damien Millere4340be2000-09-16 13:29:08 +110060 case SYSLOG_LEVEL_DEBUG1:
61 case SYSLOG_LEVEL_DEBUG2:
62 case SYSLOG_LEVEL_DEBUG3:
Damien Miller95def091999-11-25 00:26:21 +110063 log_level = level;
64 break;
65 default:
66 /* unchanged */
67 break;
68 }
Damien Millerd4a8b7e1999-10-27 13:42:43 +100069}
70
Damien Miller98c7ad62000-03-09 21:27:49 +110071#define MSGBUFSIZ 1024
Damien Millerd4a8b7e1999-10-27 13:42:43 +100072
Damien Miller5ce662a1999-11-11 17:57:39 +110073void
74do_log(LogLevel level, const char *fmt, va_list args)
Damien Millerd4a8b7e1999-10-27 13:42:43 +100075{
Damien Miller98c7ad62000-03-09 21:27:49 +110076 char msgbuf[MSGBUFSIZ];
Damien Millerd4a8b7e1999-10-27 13:42:43 +100077
Damien Miller95def091999-11-25 00:26:21 +110078 if (level > log_level)
79 return;
Damien Millere4340be2000-09-16 13:29:08 +110080 if (level >= SYSLOG_LEVEL_DEBUG1)
Damien Miller95def091999-11-25 00:26:21 +110081 fprintf(stderr, "debug: ");
82 vsnprintf(msgbuf, sizeof(msgbuf), fmt, args);
Damien Millerad833b32000-08-23 10:46:23 +100083 fprintf(stderr, "%s\r\n", msgbuf);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100084}