1 |
|
|
/* $OpenBSD: log.c,v 1.7 2016/08/27 04:21:08 guenther Exp $ */ |
2 |
|
|
|
3 |
|
|
/* |
4 |
|
|
* Copyright (c) 2005 Håkan Olsson. All rights reserved. |
5 |
|
|
* |
6 |
|
|
* Redistribution and use in source and binary forms, with or without |
7 |
|
|
* modification, are permitted provided that the following conditions |
8 |
|
|
* are met: |
9 |
|
|
* |
10 |
|
|
* 1. Redistributions of source code must retain the above copyright |
11 |
|
|
* notice, this list of conditions and the following disclaimer. |
12 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
13 |
|
|
* notice, this list of conditions and the following disclaimer in the |
14 |
|
|
* documentation and/or other materials provided with the distribution. |
15 |
|
|
* |
16 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 |
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 |
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 |
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 |
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 |
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 |
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 |
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 |
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 |
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 |
|
|
*/ |
27 |
|
|
|
28 |
|
|
/* |
29 |
|
|
* This code was written under funding by Multicom Security AB. |
30 |
|
|
*/ |
31 |
|
|
|
32 |
|
|
#include <sys/types.h> |
33 |
|
|
#include <sys/select.h> |
34 |
|
|
#include <stdio.h> |
35 |
|
|
#include <string.h> |
36 |
|
|
#include <stdarg.h> |
37 |
|
|
#include <stdlib.h> |
38 |
|
|
#include <syslog.h> |
39 |
|
|
#include <errno.h> |
40 |
|
|
#include <time.h> |
41 |
|
|
|
42 |
|
|
#include "sasyncd.h" |
43 |
|
|
|
44 |
|
|
static char logbuf[2048]; |
45 |
|
|
|
46 |
|
|
void |
47 |
|
|
log_init(char *pname) |
48 |
|
|
{ |
49 |
|
|
tzset(); |
50 |
|
|
openlog(pname, LOG_CONS | LOG_PID, LOG_DAEMON); |
51 |
|
|
} |
52 |
|
|
|
53 |
|
|
static void |
54 |
|
|
log_output(char *msg) |
55 |
|
|
{ |
56 |
|
|
if (cfgstate.debug) |
57 |
|
|
fprintf(stderr, "%s\n", msg); |
58 |
|
|
else |
59 |
|
|
syslog(LOG_CRIT, "%s", msg); |
60 |
|
|
} |
61 |
|
|
|
62 |
|
|
void |
63 |
|
|
log_err(const char *fmt, ...) |
64 |
|
|
{ |
65 |
|
|
extern char *__progname; |
66 |
|
|
int off = 0; |
67 |
|
|
va_list ap; |
68 |
|
|
|
69 |
|
|
if (cfgstate.debug) { |
70 |
|
|
snprintf(logbuf, sizeof logbuf, "%s: ", __progname); |
71 |
|
|
off = strlen(logbuf); |
72 |
|
|
} |
73 |
|
|
|
74 |
|
|
va_start(ap, fmt); |
75 |
|
|
(void)vsnprintf(logbuf + off, sizeof logbuf - off, fmt, ap); |
76 |
|
|
va_end(ap); |
77 |
|
|
|
78 |
|
|
strlcat(logbuf, ": ", sizeof logbuf); |
79 |
|
|
strlcat(logbuf, strerror(errno), sizeof logbuf); |
80 |
|
|
|
81 |
|
|
log_output(logbuf); |
82 |
|
|
return; |
83 |
|
|
} |
84 |
|
|
|
85 |
|
|
void |
86 |
|
|
log_msg(int minlevel, const char *fmt, ...) |
87 |
|
|
{ |
88 |
|
|
va_list ap; |
89 |
|
|
|
90 |
|
|
if (cfgstate.verboselevel < minlevel) |
91 |
|
|
return; |
92 |
|
|
|
93 |
|
|
va_start(ap, fmt); |
94 |
|
|
(void)vsnprintf(logbuf, sizeof logbuf, fmt, ap); |
95 |
|
|
va_end(ap); |
96 |
|
|
|
97 |
|
|
log_output(logbuf); |
98 |
|
|
return; |
99 |
|
|
} |