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-rw-r--r--lib/isc/win32/syslog.c171
1 files changed, 171 insertions, 0 deletions
diff --git a/lib/isc/win32/syslog.c b/lib/isc/win32/syslog.c
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+++ b/lib/isc/win32/syslog.c
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+/*
+ * 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);
+}