1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/netwerk/srtp/src/crypto/kernel/err.c Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,148 @@ 1.4 +/* 1.5 + * err.c 1.6 + * 1.7 + * error status reporting functions 1.8 + * 1.9 + * David A. McGrew 1.10 + * Cisco Systems, Inc. 1.11 + */ 1.12 +/* 1.13 + * 1.14 + * Copyright(c) 2001-2006 Cisco Systems, Inc. 1.15 + * All rights reserved. 1.16 + * 1.17 + * Redistribution and use in source and binary forms, with or without 1.18 + * modification, are permitted provided that the following conditions 1.19 + * are met: 1.20 + * 1.21 + * Redistributions of source code must retain the above copyright 1.22 + * notice, this list of conditions and the following disclaimer. 1.23 + * 1.24 + * Redistributions in binary form must reproduce the above 1.25 + * copyright notice, this list of conditions and the following 1.26 + * disclaimer in the documentation and/or other materials provided 1.27 + * with the distribution. 1.28 + * 1.29 + * Neither the name of the Cisco Systems, Inc. nor the names of its 1.30 + * contributors may be used to endorse or promote products derived 1.31 + * from this software without specific prior written permission. 1.32 + * 1.33 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1.34 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1.35 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 1.36 + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 1.37 + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 1.38 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 1.39 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 1.40 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 1.41 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 1.42 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 1.43 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 1.44 + * OF THE POSSIBILITY OF SUCH DAMAGE. 1.45 + * 1.46 + */ 1.47 + 1.48 +#include "err.h" 1.49 + 1.50 +#ifdef ERR_REPORTING_SYSLOG 1.51 +# ifdef HAVE_SYSLOG_H 1.52 +# include <syslog.h> 1.53 +# endif 1.54 +#endif 1.55 + 1.56 + 1.57 +/* err_level reflects the level of errors that are reported */ 1.58 + 1.59 +err_reporting_level_t err_level = err_level_none; 1.60 + 1.61 +#ifdef SRTP_KERNEL_LINUX 1.62 +err_status_t 1.63 +err_reporting_init(char *ident) { 1.64 + 1.65 + return err_status_ok; 1.66 +} 1.67 + 1.68 +#else /* SRTP_KERNEL_LINUX */ 1.69 + 1.70 +/* err_file is the FILE to which errors are reported */ 1.71 + 1.72 +static FILE *err_file = NULL; 1.73 + 1.74 +err_status_t 1.75 +err_reporting_init(char *ident) { 1.76 +#ifdef ERR_REPORTING_SYSLOG 1.77 + openlog(ident, LOG_PID, LOG_AUTHPRIV); 1.78 +#endif 1.79 + 1.80 + /* 1.81 + * Believe it or not, openlog doesn't return an error on failure. 1.82 + * But then, neither does the syslog() call... 1.83 + */ 1.84 + 1.85 +#ifdef ERR_REPORTING_STDOUT 1.86 + err_file = stdout; 1.87 +#elif defined(USE_ERR_REPORTING_FILE) 1.88 + /* open file for error reporting */ 1.89 + err_file = fopen(ERR_REPORTING_FILE, "w"); 1.90 + if (err_file == NULL) 1.91 + return err_status_init_fail; 1.92 +#endif 1.93 + 1.94 + return err_status_ok; 1.95 +} 1.96 + 1.97 +void 1.98 +err_report(int priority, char *format, ...) { 1.99 + va_list args; 1.100 + 1.101 + if ((err_reporting_level_t)priority <= err_level) { 1.102 + 1.103 + va_start(args, format); 1.104 + if (err_file != NULL) { 1.105 + vfprintf(err_file, format, args); 1.106 + /* fprintf(err_file, "\n"); */ 1.107 + } 1.108 +#ifdef ERR_REPORTING_SYSLOG 1.109 + if (1) { /* FIXME: Make this a runtime option. */ 1.110 + int syslogpri; 1.111 + 1.112 + switch (priority) { 1.113 + case err_level_emergency: 1.114 + syslogpri = LOG_EMERG; 1.115 + break; 1.116 + case err_level_alert: 1.117 + syslogpri = LOG_ALERT; 1.118 + break; 1.119 + case err_level_critical: 1.120 + syslogpri = LOG_CRIT; 1.121 + break; 1.122 + case err_level_error: 1.123 + syslogpri = LOG_ERR; 1.124 + break; 1.125 + case err_level_warning: 1.126 + syslogpri = LOG_WARNING; 1.127 + break; 1.128 + case err_level_notice: 1.129 + syslogpri = LOG_NOTICE; 1.130 + break; 1.131 + case err_level_info: 1.132 + syslogpri = LOG_INFO; 1.133 + break; 1.134 + case err_level_debug: 1.135 + case err_level_none: 1.136 + default: 1.137 + syslogpri = LOG_DEBUG; 1.138 + break; 1.139 + } 1.140 + 1.141 + vsyslog(syslogpri, format, args); 1.142 +#endif 1.143 + va_end(args); 1.144 + } 1.145 +} 1.146 +#endif /* SRTP_KERNEL_LINUX */ 1.147 + 1.148 +void 1.149 +err_reporting_set_level(err_reporting_level_t lvl) { 1.150 + err_level = lvl; 1.151 +}