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-rw-r--r--bin/named/log.c261
1 files changed, 261 insertions, 0 deletions
diff --git a/bin/named/log.c b/bin/named/log.c
new file mode 100644
index 0000000..3aa25e9
--- /dev/null
+++ b/bin/named/log.c
@@ -0,0 +1,261 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <config.h>
+
+#include <isc/result.h>
+
+#include <isccfg/log.h>
+
+#include <named/log.h>
+
+#ifndef ISC_FACILITY
+#define ISC_FACILITY LOG_DAEMON
+#endif
+
+/*%
+ * When adding a new category, be sure to add the appropriate
+ * \#define to <named/log.h> and to update the list in
+ * bin/check/check-tool.c.
+ */
+static isc_logcategory_t categories[] = {
+ { "", 0 },
+ { "client", 0 },
+ { "network", 0 },
+ { "update", 0 },
+ { "queries", 0 },
+ { "unmatched", 0 },
+ { "update-security", 0 },
+ { "query-errors", 0 },
+ { "trust-anchor-telemetry", 0 },
+ { NULL, 0 }
+};
+
+/*%
+ * When adding a new module, be sure to add the appropriate
+ * \#define to <dns/log.h>.
+ */
+static isc_logmodule_t modules[] = {
+ { "main", 0 },
+ { "client", 0 },
+ { "server", 0 },
+ { "query", 0 },
+ { "interfacemgr", 0 },
+ { "update", 0 },
+ { "xfer-in", 0 },
+ { "xfer-out", 0 },
+ { "notify", 0 },
+ { "control", 0 },
+ { "lwresd", 0 },
+ { NULL, 0 }
+};
+
+isc_result_t
+ns_log_init(bool safe) {
+ isc_result_t result;
+ isc_logconfig_t *lcfg = NULL;
+
+ ns_g_categories = categories;
+ ns_g_modules = modules;
+
+ /*
+ * Setup a logging context.
+ */
+ result = isc_log_create(ns_g_mctx, &ns_g_lctx, &lcfg);
+ if (result != ISC_R_SUCCESS)
+ return (result);
+
+ /*
+ * named-checktool.c:setup_logging() needs to be kept in sync.
+ */
+ isc_log_registercategories(ns_g_lctx, ns_g_categories);
+ isc_log_registermodules(ns_g_lctx, ns_g_modules);
+ isc_log_setcontext(ns_g_lctx);
+ dns_log_init(ns_g_lctx);
+ dns_log_setcontext(ns_g_lctx);
+ cfg_log_init(ns_g_lctx);
+
+ if (safe)
+ result = ns_log_setsafechannels(lcfg);
+ else
+ result = ns_log_setdefaultchannels(lcfg);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+
+ result = ns_log_setdefaultcategory(lcfg);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+
+ return (ISC_R_SUCCESS);
+
+ cleanup:
+ isc_log_destroy(&ns_g_lctx);
+ isc_log_setcontext(NULL);
+ dns_log_setcontext(NULL);
+
+ return (result);
+}
+
+isc_result_t
+ns_log_setdefaultchannels(isc_logconfig_t *lcfg) {
+ isc_result_t result;
+ isc_logdestination_t destination;
+
+ /*
+ * By default, the logging library makes "default_debug" log to
+ * stderr. In BIND, we want to override this and log to named.run
+ * instead, unless the -g option was given.
+ */
+ if (! ns_g_logstderr) {
+ destination.file.stream = NULL;
+ destination.file.name = "named.run";
+ destination.file.versions = ISC_LOG_ROLLNEVER;
+ destination.file.maximum_size = 0;
+ result = isc_log_createchannel(lcfg, "default_debug",
+ ISC_LOG_TOFILE,
+ ISC_LOG_DYNAMIC,
+ &destination,
+ ISC_LOG_PRINTTIME|
+ ISC_LOG_DEBUGONLY);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+ }
+
+ if (ns_g_logfile != NULL) {
+ destination.file.stream = NULL;
+ destination.file.name = ns_g_logfile;
+ destination.file.versions = ISC_LOG_ROLLNEVER;
+ destination.file.maximum_size = 0;
+ result = isc_log_createchannel(lcfg, "default_logfile",
+ ISC_LOG_TOFILE,
+ ISC_LOG_DYNAMIC,
+ &destination,
+ ISC_LOG_PRINTTIME|
+ ISC_LOG_PRINTCATEGORY|
+ ISC_LOG_PRINTLEVEL);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+ }
+
+#if ISC_FACILITY != LOG_DAEMON
+ destination.facility = ISC_FACILITY;
+ result = isc_log_createchannel(lcfg, "default_syslog",
+ ISC_LOG_TOSYSLOG, ISC_LOG_INFO,
+ &destination, 0);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+#endif
+
+ /*
+ * Set the initial debug level.
+ */
+ isc_log_setdebuglevel(ns_g_lctx, ns_g_debuglevel);
+
+ result = ISC_R_SUCCESS;
+
+ cleanup:
+ return (result);
+}
+
+isc_result_t
+ns_log_setsafechannels(isc_logconfig_t *lcfg) {
+ isc_result_t result;
+ isc_logdestination_t destination;
+
+ if (! ns_g_logstderr) {
+ result = isc_log_createchannel(lcfg, "default_debug",
+ ISC_LOG_TONULL,
+ ISC_LOG_DYNAMIC,
+ NULL, 0);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+
+ /*
+ * Setting the debug level to zero should get the output
+ * discarded a bit faster.
+ */
+ isc_log_setdebuglevel(ns_g_lctx, 0);
+ } else {
+ isc_log_setdebuglevel(ns_g_lctx, ns_g_debuglevel);
+ }
+
+ if (ns_g_logfile != NULL) {
+ destination.file.stream = NULL;
+ destination.file.name = ns_g_logfile;
+ destination.file.versions = ISC_LOG_ROLLNEVER;
+ destination.file.maximum_size = 0;
+ result = isc_log_createchannel(lcfg, "default_logfile",
+ ISC_LOG_TOFILE,
+ ISC_LOG_DYNAMIC,
+ &destination,
+ ISC_LOG_PRINTTIME|
+ ISC_LOG_PRINTCATEGORY|
+ ISC_LOG_PRINTLEVEL);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+ }
+
+#if ISC_FACILITY != LOG_DAEMON
+ destination.facility = ISC_FACILITY;
+ result = isc_log_createchannel(lcfg, "default_syslog",
+ ISC_LOG_TOSYSLOG, ISC_LOG_INFO,
+ &destination, 0);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+#endif
+
+ result = ISC_R_SUCCESS;
+
+ cleanup:
+ return (result);
+}
+
+isc_result_t
+ns_log_setdefaultcategory(isc_logconfig_t *lcfg) {
+ isc_result_t result = ISC_R_SUCCESS;
+
+ result = isc_log_usechannel(lcfg, "default_debug",
+ ISC_LOGCATEGORY_DEFAULT, NULL);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+
+ if (! ns_g_logstderr) {
+ if (ns_g_logfile != NULL)
+ result = isc_log_usechannel(lcfg, "default_logfile",
+ ISC_LOGCATEGORY_DEFAULT,
+ NULL);
+ else if (! ns_g_nosyslog)
+ result = isc_log_usechannel(lcfg, "default_syslog",
+ ISC_LOGCATEGORY_DEFAULT,
+ NULL);
+ }
+
+ cleanup:
+ return (result);
+}
+
+isc_result_t
+ns_log_setunmatchedcategory(isc_logconfig_t *lcfg) {
+ isc_result_t result;
+
+ result = isc_log_usechannel(lcfg, "null",
+ NS_LOGCATEGORY_UNMATCHED, NULL);
+ return (result);
+}
+
+void
+ns_log_shutdown(void) {
+ isc_log_destroy(&ns_g_lctx);
+ isc_log_setcontext(NULL);
+ dns_log_setcontext(NULL);
+}