1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Authors: William Jon McCann <mccann@jhu.edu>
*
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <signal.h>
#include <time.h>
#include <unistd.h>
#include <syslog.h>
#include <glib.h>
#include <glib/gstdio.h>
#include "mdm-log.h"
static gboolean initialized = FALSE;
static int syslog_levels = (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING);
static void
log_level_to_priority_and_prefix (GLogLevelFlags log_level,
int *priorityp,
const char **prefixp)
{
int priority;
const char *prefix;
/* Process the message prefix and priority */
switch (log_level & G_LOG_LEVEL_MASK) {
case G_LOG_FLAG_FATAL:
priority = LOG_EMERG;
prefix = "FATAL";
break;
case G_LOG_LEVEL_ERROR:
priority = LOG_ERR;
prefix = "ERROR";
break;
case G_LOG_LEVEL_CRITICAL:
priority = LOG_CRIT;
prefix = "CRITICAL";
break;
case G_LOG_LEVEL_WARNING:
priority = LOG_WARNING;
prefix = "WARNING";
break;
case G_LOG_LEVEL_MESSAGE:
priority = LOG_NOTICE;
prefix = "MESSAGE";
break;
case G_LOG_LEVEL_INFO:
priority = LOG_INFO;
prefix = "INFO";
break;
case G_LOG_LEVEL_DEBUG:
/* if debug was requested then bump this up to ERROR
* to ensure it is seen in a log */
if (syslog_levels & G_LOG_LEVEL_DEBUG) {
priority = LOG_WARNING;
prefix = "DEBUG(+)";
} else {
priority = LOG_DEBUG;
prefix = "DEBUG";
}
break;
default:
priority = LOG_DEBUG;
prefix = "UNKNOWN";
break;
}
if (priorityp != NULL) {
*priorityp = priority;
}
if (prefixp != NULL) {
*prefixp = prefix;
}
}
void
mdm_log_default_handler (const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *message,
gpointer unused_data)
{
GString *gstring;
int priority;
const char *level_prefix;
char *string;
gboolean do_log;
gboolean is_fatal;
is_fatal = (log_level & G_LOG_FLAG_FATAL) != 0;
do_log = (log_level & syslog_levels);
if (! do_log) {
return;
}
if (! initialized) {
mdm_log_init ();
}
log_level_to_priority_and_prefix (log_level,
&priority,
&level_prefix);
gstring = g_string_new (NULL);
if (log_domain != NULL) {
g_string_append (gstring, log_domain);
g_string_append_c (gstring, '-');
}
g_string_append (gstring, level_prefix);
g_string_append (gstring, ": ");
if (message == NULL) {
g_string_append (gstring, "(NULL) message");
} else {
g_string_append (gstring, message);
}
if (is_fatal) {
g_string_append (gstring, "\naborting...\n");
} else {
g_string_append (gstring, "\n");
}
string = g_string_free (gstring, FALSE);
syslog (priority, "%s", string);
g_free (string);
}
void
mdm_log_toggle_debug (void)
{
if (syslog_levels & G_LOG_LEVEL_DEBUG) {
g_debug ("Debugging disabled");
syslog_levels &= ~G_LOG_LEVEL_DEBUG;
} else {
syslog_levels |= G_LOG_LEVEL_DEBUG;
g_debug ("Debugging enabled");
}
}
void
mdm_log_set_debug (gboolean debug)
{
if (debug) {
syslog_levels |= G_LOG_LEVEL_DEBUG;
g_debug ("Enabling debugging");
} else {
g_debug ("Disabling debugging");
syslog_levels &= ~G_LOG_LEVEL_DEBUG;
}
}
void
mdm_log_init (void)
{
const char *prg_name;
int options;
g_log_set_default_handler (mdm_log_default_handler, NULL);
prg_name = g_get_prgname ();
options = LOG_PID;
#ifdef LOG_PERROR
options |= LOG_PERROR;
#endif
openlog (prg_name, options, LOG_DAEMON);
initialized = TRUE;
}
void
mdm_log_shutdown (void)
{
closelog ();
initialized = FALSE;
}
|
