The Tor Browser: netwerk/srtp/src/crypto/kernel/err.c@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * err.c

     3  *

     4  * error status reporting functions

     5  *

     6  * David A. McGrew

     7  * Cisco Systems, Inc.

     8  */

     9 /*

    10  *

    11  * Copyright(c) 2001-2006 Cisco Systems, Inc.

    12  * All rights reserved.

    13  *

    14  * Redistribution and use in source and binary forms, with or without

    15  * modification, are permitted provided that the following conditions

    16  * are met:

    17  *

    18  *   Redistributions of source code must retain the above copyright

    19  *   notice, this list of conditions and the following disclaimer.

    20  *

    21  *   Redistributions in binary form must reproduce the above

    22  *   copyright notice, this list of conditions and the following

    23  *   disclaimer in the documentation and/or other materials provided

    24  *   with the distribution.

    25  *

    26  *   Neither the name of the Cisco Systems, Inc. nor the names of its

    27  *   contributors may be used to endorse or promote products derived

    28  *   from this software without specific prior written permission.

    29  *

    30  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    31  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    32  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

    33  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

    34  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

    35  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    36  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

    37  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

    39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    40  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

    41  * OF THE POSSIBILITY OF SUCH DAMAGE.

    42  *

    43  */

    45 #include "err.h"

    47 #ifdef ERR_REPORTING_SYSLOG

    48 # ifdef HAVE_SYSLOG_H

    49 #  include <syslog.h>

    50 # endif

    51 #endif

    54 /*  err_level reflects the level of errors that are reported  */

    56 err_reporting_level_t err_level = err_level_none;

    58 #ifdef SRTP_KERNEL_LINUX

    59 err_status_t

    60 err_reporting_init(char *ident) {

    62   return err_status_ok;

    63 }

    65 #else /* SRTP_KERNEL_LINUX */

    67 /* err_file is the FILE to which errors are reported */

    69 static FILE *err_file = NULL;

    71 err_status_t

    72 err_reporting_init(char *ident) {

    73 #ifdef ERR_REPORTING_SYSLOG

    74   openlog(ident, LOG_PID, LOG_AUTHPRIV);

    75 #endif

    77   /*

    78    * Believe it or not, openlog doesn't return an error on failure.

    79    * But then, neither does the syslog() call...

    80    */

    82 #ifdef ERR_REPORTING_STDOUT

    83   err_file = stdout;

    84 #elif defined(USE_ERR_REPORTING_FILE)

    85   /* open file for error reporting */

    86   err_file = fopen(ERR_REPORTING_FILE, "w");

    87   if (err_file == NULL)

    88     return err_status_init_fail;

    89 #endif

    91   return err_status_ok;

    92 }

    94 void

    95 err_report(int priority, char *format, ...) {

    96   va_list args;

    98   if ((err_reporting_level_t)priority <= err_level) {

   100     va_start(args, format);

   101     if (err_file != NULL) {

   102       vfprintf(err_file, format, args);

   103 	  /*      fprintf(err_file, "\n"); */

   104     }

   105 #ifdef ERR_REPORTING_SYSLOG

   106     if (1) { /* FIXME: Make this a runtime option. */

   107       int syslogpri;

   109       switch (priority) {

   110       case err_level_emergency:

   111 	syslogpri = LOG_EMERG;

   112 	break;

   113       case err_level_alert:

   114 	syslogpri = LOG_ALERT;

   115 	break;

   116       case err_level_critical:

   117 	syslogpri = LOG_CRIT;

   118 	break;

   119       case err_level_error:

   120 	syslogpri = LOG_ERR;

   121 	break;

   122       case err_level_warning:

   123 	syslogpri = LOG_WARNING;

   124 	break;

   125       case err_level_notice:

   126 	syslogpri = LOG_NOTICE;

   127 	break;

   128       case err_level_info:

   129 	syslogpri = LOG_INFO;

   130 	break;

   131       case err_level_debug:

   132       case err_level_none:

   133       default:

   134 	syslogpri = LOG_DEBUG;

   135 	break;

   136       }

   138       vsyslog(syslogpri, format, args);

   139 #endif

   140     va_end(args);

   141   }

   142 }

   143 #endif /* SRTP_KERNEL_LINUX */

   145 void

   146 err_reporting_set_level(err_reporting_level_t lvl) {

   147   err_level = lvl;

   148 }

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