PageRenderTime 26ms CodeModel.GetById 5ms app.highlight 17ms RepoModel.GetById 1ms app.codeStats 0ms

/contrib/bind9/bin/named/log.c

https://bitbucket.org/freebsd/freebsd-head/
C | 236 lines | 153 code | 38 blank | 45 comment | 26 complexity | 8dbe3a59ecbc523704c3768014d899df MD5 | raw file
  1/*
  2 * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  3 * Copyright (C) 1999-2002  Internet Software Consortium.
  4 *
  5 * Permission to use, copy, modify, and/or distribute this software for any
  6 * purpose with or without fee is hereby granted, provided that the above
  7 * copyright notice and this permission notice appear in all copies.
  8 *
  9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 11 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 15 * PERFORMANCE OF THIS SOFTWARE.
 16 */
 17
 18/* $Id: log.c,v 1.49 2009/01/07 01:46:40 jinmei Exp $ */
 19
 20/*! \file */
 21
 22#include <config.h>
 23
 24#include <isc/result.h>
 25
 26#include <isccfg/log.h>
 27
 28#include <named/log.h>
 29
 30#ifndef ISC_FACILITY
 31#define ISC_FACILITY LOG_DAEMON
 32#endif
 33
 34/*%
 35 * When adding a new category, be sure to add the appropriate
 36 * \#define to <named/log.h> and to update the list in
 37 * bin/check/check-tool.c.
 38 */
 39static isc_logcategory_t categories[] = {
 40	{ "",		 		0 },
 41	{ "client",	 		0 },
 42	{ "network",	 		0 },
 43	{ "update",	 		0 },
 44	{ "queries",	 		0 },
 45	{ "unmatched",	 		0 },
 46	{ "update-security",		0 },
 47	{ "query-errors",		0 },
 48	{ NULL, 			0 }
 49};
 50
 51/*%
 52 * When adding a new module, be sure to add the appropriate
 53 * \#define to <dns/log.h>.
 54 */
 55static isc_logmodule_t modules[] = {
 56	{ "main",	 		0 },
 57	{ "client",	 		0 },
 58	{ "server",		 	0 },
 59	{ "query",		 	0 },
 60	{ "interfacemgr",	 	0 },
 61	{ "update",	 		0 },
 62	{ "xfer-in",	 		0 },
 63	{ "xfer-out",	 		0 },
 64	{ "notify",	 		0 },
 65	{ "control",	 		0 },
 66	{ "lwresd",	 		0 },
 67	{ NULL, 			0 }
 68};
 69
 70isc_result_t
 71ns_log_init(isc_boolean_t safe) {
 72	isc_result_t result;
 73	isc_logconfig_t *lcfg = NULL;
 74
 75	ns_g_categories = categories;
 76	ns_g_modules = modules;
 77
 78	/*
 79	 * Setup a logging context.
 80	 */
 81	result = isc_log_create(ns_g_mctx, &ns_g_lctx, &lcfg);
 82	if (result != ISC_R_SUCCESS)
 83		return (result);
 84
 85	/*
 86	 * named-checktool.c:setup_logging() needs to be kept in sync.
 87	 */
 88	isc_log_registercategories(ns_g_lctx, ns_g_categories);
 89	isc_log_registermodules(ns_g_lctx, ns_g_modules);
 90	isc_log_setcontext(ns_g_lctx);
 91	dns_log_init(ns_g_lctx);
 92	dns_log_setcontext(ns_g_lctx);
 93	cfg_log_init(ns_g_lctx);
 94
 95	if (safe)
 96		result = ns_log_setsafechannels(lcfg);
 97	else
 98		result = ns_log_setdefaultchannels(lcfg);
 99	if (result != ISC_R_SUCCESS)
100		goto cleanup;
101
102	result = ns_log_setdefaultcategory(lcfg);
103	if (result != ISC_R_SUCCESS)
104		goto cleanup;
105
106	return (ISC_R_SUCCESS);
107
108 cleanup:
109	isc_log_destroy(&ns_g_lctx);
110	isc_log_setcontext(NULL);
111	dns_log_setcontext(NULL);
112
113	return (result);
114}
115
116isc_result_t
117ns_log_setdefaultchannels(isc_logconfig_t *lcfg) {
118	isc_result_t result;
119	isc_logdestination_t destination;
120
121	/*
122	 * By default, the logging library makes "default_debug" log to
123	 * stderr.  In BIND, we want to override this and log to named.run
124	 * instead, unless the -g option was given.
125	 */
126	if (! ns_g_logstderr) {
127		destination.file.stream = NULL;
128		destination.file.name = "named.run";
129		destination.file.versions = ISC_LOG_ROLLNEVER;
130		destination.file.maximum_size = 0;
131		result = isc_log_createchannel(lcfg, "default_debug",
132					       ISC_LOG_TOFILE,
133					       ISC_LOG_DYNAMIC,
134					       &destination,
135					       ISC_LOG_PRINTTIME|
136					       ISC_LOG_DEBUGONLY);
137		if (result != ISC_R_SUCCESS)
138			goto cleanup;
139	}
140
141#if ISC_FACILITY != LOG_DAEMON
142	destination.facility = ISC_FACILITY;
143	result = isc_log_createchannel(lcfg, "default_syslog",
144				       ISC_LOG_TOSYSLOG, ISC_LOG_INFO,
145				       &destination, 0);
146	if (result != ISC_R_SUCCESS)
147		goto cleanup;
148#endif
149
150	/*
151	 * Set the initial debug level.
152	 */
153	isc_log_setdebuglevel(ns_g_lctx, ns_g_debuglevel);
154
155	result = ISC_R_SUCCESS;
156
157 cleanup:
158	return (result);
159}
160
161isc_result_t
162ns_log_setsafechannels(isc_logconfig_t *lcfg) {
163	isc_result_t result;
164#if ISC_FACILITY != LOG_DAEMON
165	isc_logdestination_t destination;
166#endif
167
168	if (! ns_g_logstderr) {
169		result = isc_log_createchannel(lcfg, "default_debug",
170					       ISC_LOG_TONULL,
171					       ISC_LOG_DYNAMIC,
172					       NULL, 0);
173		if (result != ISC_R_SUCCESS)
174			goto cleanup;
175
176		/*
177		 * Setting the debug level to zero should get the output
178		 * discarded a bit faster.
179		 */
180		isc_log_setdebuglevel(ns_g_lctx, 0);
181	} else {
182		isc_log_setdebuglevel(ns_g_lctx, ns_g_debuglevel);
183	}
184
185#if ISC_FACILITY != LOG_DAEMON
186	destination.facility = ISC_FACILITY;
187	result = isc_log_createchannel(lcfg, "default_syslog",
188				       ISC_LOG_TOSYSLOG, ISC_LOG_INFO,
189				       &destination, 0);
190	if (result != ISC_R_SUCCESS)
191		goto cleanup;
192#endif
193
194	result = ISC_R_SUCCESS;
195
196 cleanup:
197	return (result);
198}
199
200isc_result_t
201ns_log_setdefaultcategory(isc_logconfig_t *lcfg) {
202	isc_result_t result;
203
204	if (! ns_g_logstderr) {
205		result = isc_log_usechannel(lcfg, "default_syslog",
206					    ISC_LOGCATEGORY_DEFAULT, NULL);
207		if (result != ISC_R_SUCCESS)
208			goto cleanup;
209	}
210
211	result = isc_log_usechannel(lcfg, "default_debug",
212				    ISC_LOGCATEGORY_DEFAULT, NULL);
213	if (result != ISC_R_SUCCESS)
214		goto cleanup;
215
216	result = ISC_R_SUCCESS;
217
218 cleanup:
219	return (result);
220}
221
222isc_result_t
223ns_log_setunmatchedcategory(isc_logconfig_t *lcfg) {
224	isc_result_t result;
225
226	result = isc_log_usechannel(lcfg, "null",
227				    NS_LOGCATEGORY_UNMATCHED, NULL);
228	return (result);
229}
230
231void
232ns_log_shutdown(void) {
233	isc_log_destroy(&ns_g_lctx);
234	isc_log_setcontext(NULL);
235	dns_log_setcontext(NULL);
236}