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Diffstat (limited to 'lib/isc/win32/syslog.c')
| -rw-r--r-- | lib/isc/win32/syslog.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/lib/isc/win32/syslog.c b/lib/isc/win32/syslog.c new file mode 100644 index 0000000..ad23a0f --- /dev/null +++ b/lib/isc/win32/syslog.c @@ -0,0 +1,171 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * 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 https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <syslog.h> +#include <windows.h> + +#include <isc/bindevt.h> +#include <isc/result.h> +#include <isc/syslog.h> +#include <isc/util.h> + +static HANDLE hAppLog = NULL; +static FILE *log_stream; +static int debug_level = 0; + +static struct dsn_c_pvt_sfnt { + int val; + const char *strval; +} facilities[] = { { LOG_KERN, "kern" }, + { LOG_USER, "user" }, + { LOG_MAIL, "mail" }, + { LOG_DAEMON, "daemon" }, + { LOG_AUTH, "auth" }, + { LOG_SYSLOG, "syslog" }, + { LOG_LPR, "lpr" }, +#ifdef LOG_NEWS + { LOG_NEWS, "news" }, +#endif /* ifdef LOG_NEWS */ +#ifdef LOG_UUCP + { LOG_UUCP, "uucp" }, +#endif /* ifdef LOG_UUCP */ +#ifdef LOG_CRON + { LOG_CRON, "cron" }, +#endif /* ifdef LOG_CRON */ +#ifdef LOG_AUTHPRIV + { LOG_AUTHPRIV, "authpriv" }, +#endif /* ifdef LOG_AUTHPRIV */ +#ifdef LOG_FTP + { LOG_FTP, "ftp" }, +#endif /* ifdef LOG_FTP */ + { LOG_LOCAL0, "local0" }, + { LOG_LOCAL1, "local1" }, + { LOG_LOCAL2, "local2" }, + { LOG_LOCAL3, "local3" }, + { LOG_LOCAL4, "local4" }, + { LOG_LOCAL5, "local5" }, + { LOG_LOCAL6, "local6" }, + { LOG_LOCAL7, "local7" }, + { 0, NULL } }; + +isc_result_t +isc_syslog_facilityfromstring(const char *str, int *facilityp) { + int i; + + REQUIRE(str != NULL); + REQUIRE(facilityp != NULL); + + for (i = 0; facilities[i].strval != NULL; i++) { + if (strcasecmp(facilities[i].strval, str) == 0) { + *facilityp = facilities[i].val; + return (ISC_R_SUCCESS); + } + } + return (ISC_R_NOTFOUND); +} + +/* + * Log to the NT Event Log + */ +void +syslog(int level, const char *fmt, ...) { + va_list ap; + char buf[1024]; + char *str[1]; + + str[0] = buf; + + va_start(ap, fmt); + vsprintf(buf, fmt, ap); + va_end(ap); + + /* Make sure that the channel is open to write the event */ + if (hAppLog != NULL) { + switch (level) { + case LOG_INFO: + case LOG_NOTICE: + case LOG_DEBUG: + ReportEvent(hAppLog, EVENTLOG_INFORMATION_TYPE, 0, + BIND_INFO_MSG, NULL, 1, 0, str, NULL); + break; + case LOG_WARNING: + ReportEvent(hAppLog, EVENTLOG_WARNING_TYPE, 0, + BIND_WARN_MSG, NULL, 1, 0, str, NULL); + break; + default: + ReportEvent(hAppLog, EVENTLOG_ERROR_TYPE, 0, + BIND_ERR_MSG, NULL, 1, 0, str, NULL); + break; + } + } +} + +/* + * Initialize event logging + */ +void +openlog(const char *name, int flags, ...) { + /* Get a handle to the Application event log */ + hAppLog = RegisterEventSource(NULL, name); +} + +/* + * Close the Handle to the application Event Log + * We don't care whether or not we succeeded so ignore return values + * In fact if we failed then we would have nowhere to put the message + */ +void +closelog(void) { + DeregisterEventSource(hAppLog); +} + +/* + * Keep event logging synced with the current debug level + */ +void +ModifyLogLevel(int level) { + debug_level = level; +} + +/* + * Initialize logging for the port section of libbind. + * Piggyback onto stream given. + */ +void +InitNTLogging(FILE *stream, int debug) { + log_stream = stream; + ModifyLogLevel(debug); +} +/* + * This function is for reporting errors to the application + * event log in case the regular syslog is not available + * mainly during startup. It should not be used under normal + * circumstances. + */ +void +NTReportError(const char *name, const char *str) { + HANDLE hNTAppLog = NULL; + const char *buf[1]; + + buf[0] = str; + + hNTAppLog = RegisterEventSource(NULL, name); + + ReportEvent(hNTAppLog, EVENTLOG_ERROR_TYPE, 0, BIND_ERR_MSG, NULL, 1, 0, + buf, NULL); + + DeregisterEventSource(hNTAppLog); +} |