diff options
Diffstat (limited to 'crypto/kernel/err.c')
| -rw-r--r-- | crypto/kernel/err.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/crypto/kernel/err.c b/crypto/kernel/err.c new file mode 100644 index 0000000..4a3a858 --- /dev/null +++ b/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; +} |