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authorErwin Nindl <nine@wirdorange.org>2007-06-22 13:59:20 +0000
committerErwin Nindl <nine@wirdorange.org>2007-06-22 13:59:20 +0000
commit0275479cb56c7f562f3513fef66c83fc44d1d8c9 (patch)
treef6fbb703cebf62d18b05e2a5e7591ac08c5b6702 /srtp/crypto/kernel/err.c
parentsatp internet draft 00 final ietf version (diff)
added libsrtp to svn
Diffstat (limited to 'srtp/crypto/kernel/err.c')
-rw-r--r--srtp/crypto/kernel/err.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/srtp/crypto/kernel/err.c b/srtp/crypto/kernel/err.c
new file mode 100644
index 0000000..4a3a858
--- /dev/null
+++ b/srtp/crypto/kernel/err.c
@@ -0,0 +1,148 @@
+/*
+ * err.c
+ *
+ * error status reporting functions
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "err.h"
+
+#ifdef ERR_REPORTING_SYSLOG
+# ifdef HAVE_SYSLOG_H
+# include <syslog.h>
+# endif
+#endif
+
+
+/* err_level reflects the level of errors that are reported */
+
+err_reporting_level_t err_level = err_level_none;
+
+#ifdef SRTP_KERNEL_LINUX
+err_status_t
+err_reporting_init(char *ident) {
+
+ return err_status_ok;
+}
+
+#else /* SRTP_KERNEL_LINUX */
+
+/* err_file is the FILE to which errors are reported */
+
+static FILE *err_file = NULL;
+
+err_status_t
+err_reporting_init(char *ident) {
+#ifdef ERR_REPORTING_SYSLOG
+ openlog(ident, LOG_PID, LOG_AUTHPRIV);
+#endif
+
+ /*
+ * Believe it or not, openlog doesn't return an error on failure.
+ * But then, neither does the syslog() call...
+ */
+
+#ifdef ERR_REPORTING_STDOUT
+ err_file = stdout;
+#elif defined(USE_ERR_REPORTING_FILE)
+ /* open file for error reporting */
+ err_file = fopen(ERR_REPORTING_FILE, "w");
+ if (err_file == NULL)
+ return err_status_init_fail;
+#endif
+
+ return err_status_ok;
+}
+
+void
+err_report(int priority, char *format, ...) {
+ va_list args;
+
+ if (priority <= err_level) {
+
+ va_start(args, format);
+ if (err_file != NULL) {
+ vfprintf(err_file, format, args);
+ /* fprintf(err_file, "\n"); */
+ }
+#ifdef ERR_REPORTING_SYSLOG
+ if (1) { /* FIXME: Make this a runtime option. */
+ int syslogpri;
+
+ switch (priority) {
+ case err_level_emergency:
+ syslogpri = LOG_EMERG;
+ break;
+ case err_level_alert:
+ syslogpri = LOG_ALERT;
+ break;
+ case err_level_critical:
+ syslogpri = LOG_CRIT;
+ break;
+ case err_level_error:
+ syslogpri = LOG_ERR;
+ break;
+ case err_level_warning:
+ syslogpri = LOG_WARNING;
+ break;
+ case err_level_notice:
+ syslogpri = LOG_NOTICE;
+ break;
+ case err_level_info:
+ syslogpri = LOG_INFO;
+ break;
+ case err_level_debug:
+ case err_level_none:
+ default:
+ syslogpri = LOG_DEBUG;
+ break;
+ }
+
+ vsyslog(syslogpri, format, args);
+#endif
+ va_end(args);
+ }
+}
+#endif /* SRTP_KERNEL_LINUX */
+
+void
+err_reporting_set_level(err_reporting_level_t lvl) {
+ err_level = lvl;
+}