Asterisk - The Open Source Telephony Project  GIT-master-1b41629
syslog.c
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1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 2009, malleable, LLC.
5  *
6  * Sean Bright <sean@malleable.com>
7  *
8  * See http://www.asterisk.org for more information about
9  * the Asterisk project. Please do not directly contact
10  * any of the maintainers of this project for assistance;
11  * the project provides a web site, mailing lists and IRC
12  * channels for your use.
13  *
14  * This program is free software, distributed under the terms of
15  * the GNU General Public License Version 2. See the LICENSE file
16  * at the top of the source tree.
17  */
18 
19 /*! \file
20  *
21  * \brief Asterisk Syslog Utility Functions
22  * \author Sean Bright <sean@malleable.com>
23  */
24 
25 /*** MODULEINFO
26  <support_level>core</support_level>
27  ***/
28 
29 #include "asterisk.h"
30 #include "asterisk/utils.h"
31 #include "asterisk/syslog.h"
32 
33 #include <syslog.h>
34 
35 static const struct {
36  const char *name;
37  int value;
38 } facility_map[] = {
39  /* POSIX only specifies USER and LOCAL0 - LOCAL7 */
40  { "user", LOG_USER },
41  { "local0", LOG_LOCAL0 },
42  { "local1", LOG_LOCAL1 },
43  { "local2", LOG_LOCAL2 },
44  { "local3", LOG_LOCAL3 },
45  { "local4", LOG_LOCAL4 },
46  { "local5", LOG_LOCAL5 },
47  { "local6", LOG_LOCAL6 },
48  { "local7", LOG_LOCAL7 },
49 #if defined(HAVE_SYSLOG_FACILITY_LOG_KERN)
50  { "kern", LOG_KERN },
51 #endif
52 #if defined(HAVE_SYSLOG_FACILITY_LOG_MAIL)
53  { "mail", LOG_MAIL },
54 #endif
55 #if defined(HAVE_SYSLOG_FACILITY_LOG_DAEMON)
56  { "daemon", LOG_DAEMON },
57 #endif
58 #if defined(HAVE_SYSLOG_FACILITY_LOG_AUTH)
59  { "auth", LOG_AUTH },
60  { "security", LOG_AUTH },
61 #endif
62 #if defined(HAVE_SYSLOG_FACILITY_LOG_AUTHPRIV)
63  { "authpriv", LOG_AUTHPRIV },
64 #endif
65 #if defined(HAVE_SYSLOG_FACILITY_LOG_SYSLOG)
66  { "syslog", LOG_SYSLOG },
67 #endif
68 #if defined(HAVE_SYSLOG_FACILITY_LOG_FTP)
69  { "ftp", LOG_FTP },
70 #endif
71 #if defined(HAVE_SYSLOG_FACILITY_LOG_LPR)
72  { "lpr", LOG_LPR },
73 #endif
74 #if defined(HAVE_SYSLOG_FACILITY_LOG_NEWS)
75  { "news", LOG_NEWS },
76 #endif
77 #if defined(HAVE_SYSLOG_FACILITY_LOG_UUCP)
78  { "uucp", LOG_UUCP },
79 #endif
80 #if defined(HAVE_SYSLOG_FACILITY_LOG_CRON)
81  { "cron", LOG_CRON },
82 #endif
83 };
84 
85 int ast_syslog_facility(const char *facility)
86 {
87  int index;
88 
89  for (index = 0; index < ARRAY_LEN(facility_map); index++) {
90  if (!strcasecmp(facility_map[index].name, facility)) {
91  return facility_map[index].value;
92  }
93  }
94 
95  return -1;
96 }
97 
98 const char *ast_syslog_facility_name(int facility)
99 {
100  int index;
101 
102  for (index = 0; index < ARRAY_LEN(facility_map); index++) {
103  if (facility_map[index].value == facility) {
104  return facility_map[index].name;
105  }
106  }
107 
108  return NULL;
109 }
110 
111 static const struct {
112  const char *name;
113  int value;
114 } priority_map[] = {
115  { "alert", LOG_ALERT },
116  { "crit", LOG_CRIT },
117  { "debug", LOG_DEBUG },
118  { "emerg", LOG_EMERG },
119  { "err", LOG_ERR },
120  { "error", LOG_ERR },
121  { "info", LOG_INFO },
122  { "notice", LOG_NOTICE },
123  { "warning", LOG_WARNING },
124 };
125 
127 {
128  int index;
129 
130  for (index = 0; index < ARRAY_LEN(priority_map); index++) {
131  if (!strcasecmp(priority_map[index].name, priority)) {
132  return priority_map[index].value;
133  }
134  }
135 
136  return -1;
137 }
138 
140 {
141  int index;
142 
143  for (index = 0; index < ARRAY_LEN(priority_map); index++) {
144  if (priority_map[index].value == priority) {
145  return priority_map[index].name;
146  }
147  }
148 
149  return NULL;
150 }
151 
152 static const int logger_level_to_syslog_map[] = {
154  [1] = LOG_INFO, /* Only kept for backwards compatibility */
157  [__LOG_ERROR] = LOG_ERR,
159  [__LOG_DTMF] = LOG_DEBUG,
160 };
161 
163 {
164  /* First 16 levels are reserved for system use.
165  * Default to using LOG_NOTICE for dynamic logging.
166  */
167  if (level >= 16 && level < ASTNUMLOGLEVELS) {
168  return LOG_NOTICE;
169  }
170 
171  if (level < 0 || level >= ARRAY_LEN(logger_level_to_syslog_map)) {
172  return -1;
173  }
174 
175  return logger_level_to_syslog_map[level];
176 }
int ast_syslog_priority(const char *priority)
Maps a syslog priority name from a string to a syslog priority constant.
Definition: syslog.c:126
Asterisk main include file. File version handling, generic pbx functions.
#define ARRAY_LEN(a)
Definition: isdn_lib.c:42
#define __LOG_DEBUG
Definition: logger.h:240
static const struct @421 priority_map[]
const char * ast_syslog_facility_name(int facility)
Maps a syslog facility constant to a string.
Definition: syslog.c:98
const char * name
Definition: syslog.c:36
#define LOG_WARNING
Definition: logger.h:274
int ast_syslog_priority_from_loglevel(int level)
Maps an Asterisk log level (i.e. LOG_ERROR) to a syslog priority constant.
Definition: syslog.c:162
#define __LOG_DTMF
Definition: logger.h:306
#define __LOG_WARNING
Definition: logger.h:273
#define __LOG_ERROR
Definition: logger.h:284
#define NULL
Definition: resample.c:96
int value
Definition: syslog.c:37
#define LOG_DEBUG
Definition: logger.h:241
static int priority
Utility functions.
int ast_syslog_facility(const char *facility)
Maps a syslog facility name from a string to a syslog facility constant.
Definition: syslog.c:85
static const struct @420 facility_map[]
Syslog support functions for Asterisk logging.
#define LOG_NOTICE
Definition: logger.h:263
static const int logger_level_to_syslog_map[]
Definition: syslog.c:152
#define ASTNUMLOGLEVELS
Definition: syslog.h:31
#define __LOG_NOTICE
Definition: logger.h:262
const char * ast_syslog_priority_name(int priority)
Maps a syslog priority constant to a string.
Definition: syslog.c:139
#define __LOG_VERBOSE
Definition: logger.h:295