OSX/libsecurity_utilities/lib/logging.cpp

   1 /*
   2  * Copyright (c) 2000-2004,2011,2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 //
  26 // logging - message log support
  27 //
  28 #ifdef __MWERKS__
  29 # define _CPP_LOGGING
  30 #endif
  31
  32 #include <security_utilities/logging.h>
  33 #include <security_utilities/globalizer.h>
  34 #include <cstdarg>
  35 #include <syslog.h>
  36
  37 namespace Security
  38 {
  39
  40 namespace Syslog
  41 {
  42
  43 //
  44 // Open and initialize logging
  45 //
  46 void open(const char *ident, int facility, int options /*= 0*/)
  47 {
  48         ::openlog(ident, options, facility);
  49 }
  50
  51
  52 //
  53 // General output method
  54 //
  55
  56 static void output(int priority, const char *format, va_list args) __attribute__((format(printf, 2, 0)));
  57
  58
  59 static void output(int priority, const char *format, va_list args)
  60 {
  61         ::vsyslog(priority, format, args);
  62 }
  63
  64
  65 //
  66 // Priority-specific wrappers
  67 //
  68 void syslog(int priority, const char *format, ...)
  69 { va_list args; va_start(args, format); output(priority, format, args); va_end(args); }
  70
  71 void emergency(const char *format, ...)
  72 { va_list args; va_start(args, format); output(LOG_EMERG, format, args); va_end(args); }
  73 void alert(const char *format, ...)
  74 { va_list args; va_start(args, format); output(LOG_ALERT, format, args); va_end(args); }
  75 void critical(const char *format, ...)
  76 { va_list args; va_start(args, format); output(LOG_CRIT, format, args); va_end(args); }
  77 void error(const char *format, ...)
  78 { va_list args; va_start(args, format); output(LOG_ERR, format, args); va_end(args); }
  79 void warning(const char *format, ...)
  80 { va_list args; va_start(args, format); output(LOG_WARNING, format, args); va_end(args); }
  81 void notice(const char *format, ...)
  82 { va_list args; va_start(args, format); output(LOG_NOTICE, format, args); va_end(args); }
  83 void info(const char *format, ...)
  84 { va_list args; va_start(args, format); output(LOG_INFO, format, args); va_end(args); }
  85 void debug(const char *format, ...)
  86 { va_list args; va_start(args, format); output(LOG_DEBUG, format, args); va_end(args); }
  87
  88
  89 //
  90 // Enable mask operation
  91 //
  92 int mask()
  93 {
  94         int mask;
  95         ::setlogmask(mask = ::setlogmask(0));
  96         return mask;
  97 }
  98
  99 void upto(int priority)
 100 {
 101         ::setlogmask(LOG_UPTO(priority));
 102 }
 103
 104 void enable(int priority)
 105 {
 106         ::setlogmask(::setlogmask(0) | LOG_MASK(priority));
 107 }
 108
 109 void disable(int priority)
 110 {
 111         ::setlogmask(::setlogmask(0) & ~LOG_MASK(priority));
 112 }
 113
 114 } // end namespace Syslog
 115
 116 } // end namespace Security