Security/utilities/src/debugging.h

   1 /*
   2  * Copyright (c) 2006-2007,2009-2010,2012-2014 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  * debugging.h - non-trivial debug support
  26  */
  27 #ifndef _SECURITY_UTILITIES_DEBUGGING_H_
  28 #define _SECURITY_UTILITIES_DEBUGGING_H_
  29
  30 #ifdef KERNEL
  31         #include <libkern/libkern.h>
  32         #define secalert(format, ...) printf((format), ## __VA_ARGS__)
  33         #define secemergency(format, ...) printf((format), ## __VA_ARGS__)
  34         #define seccritical(format, ...) printf((format), ## __VA_ARGS__)
  35         #define secerror(format, ...) printf((format), ## __VA_ARGS__)
  36         #define secwarning(format, ...) printf((format), ## __VA_ARGS__)
  37         #define secnotice(scope, format, ...) printf((format), ## __VA_ARGS__)
  38         #define secnoticeq(scope, format, ...) printf((format), ## __VA_ARGS__)
  39         #define secinfo(scope, format, ...) printf((format), ## __VA_ARGS__)
  40     #if !defined(NDEBUG)
  41         #define secdebug(scope, format, ...) printf((format), ## __VA_ARGS__)
  42     #else // NDEBUG
  43         #define secdebug(scope, format, ...)    /* nothing */
  44     #endif // NDEBUG
  45 #else // !KERNEL
  46
  47 #include <TargetConditionals.h>
  48 #include <CoreFoundation/CFString.h>
  49 #include <asl.h>
  50
  51 __BEGIN_DECLS
  52
  53 extern void __security_trace_enter_api(const char *api, CFStringRef format, ...) CF_FORMAT_FUNCTION(2, 3);
  54 extern void __security_trace_return_api(const char *api, CFStringRef format, ...) CF_FORMAT_FUNCTION(2, 3);
  55
  56 extern void __security_debug(CFStringRef scope,
  57                              const char *function, const char *file, int line,
  58                              CFStringRef format, ...) CF_FORMAT_FUNCTION(5,6);
  59
  60 extern void __security_log(int level, CFStringRef scope,
  61                            const char *function, const char *file, int line,
  62                            CFStringRef format, ...) CF_FORMAT_FUNCTION(6,7);
  63
  64 #define sec_trace_enter_api(format...) __security_trace_enter_api(__FUNCTION__, format)
  65 #define sec_trace_return_api(rtype, body, format...) { rtype _r = body(); __security_trace_return_api(__FUNCTION__, format, _r); return _r; }
  66 #define sec_trace_return_bool_api(body, format...) { bool _r = body(); typeof(format) _fmt = format; __security_trace_return_api(__FUNCTION__, _fmt ? _fmt : CFSTR("return=%d"), (int)_r); return _r; }
  67
  68 #define secemergency(format, ...)       __security_log(ASL_LEVEL_EMERG, NULL, \
  69     __FUNCTION__, __FILE__, __LINE__, \
  70     CFSTR(format), ## __VA_ARGS__)
  71
  72 #define secalert(format, ...)   __security_log(ASL_LEVEL_ALERT, NULL, \
  73     __FUNCTION__, __FILE__, __LINE__, \
  74     CFSTR(format), ## __VA_ARGS__)
  75
  76 #define seccritical(format, ...)        __security_log(ASL_LEVEL_CRIT, NULL, \
  77     __FUNCTION__, __FILE__, __LINE__, \
  78     CFSTR(format), ## __VA_ARGS__)
  79
  80 #define secerror(format, ...)   __security_log(ASL_LEVEL_ERR, NULL, \
  81     __FUNCTION__, __FILE__, __LINE__, \
  82     CFSTR(format), ## __VA_ARGS__)
  83
  84 #define secerrorq(format, ...)  __security_log(ASL_LEVEL_ERR, NULL, \
  85     "", "", 0, \
  86     CFSTR(format), ## __VA_ARGS__)
  87
  88 #define secwarning(format, ...) __security_log(ASL_LEVEL_WARNING, NULL, \
  89     __FUNCTION__, __FILE__, __LINE__, \
  90     CFSTR(format), ## __VA_ARGS__)
  91
  92 #define secnotice(scope, format, ...)   __security_log(ASL_LEVEL_NOTICE, CFSTR(scope), \
  93     __FUNCTION__, __FILE__, __LINE__, \
  94     CFSTR(format), ## __VA_ARGS__)
  95
  96 #define secnoticeq(scope, format, ...)  __security_log(ASL_LEVEL_NOTICE, CFSTR(scope), \
  97     "", "", 0, \
  98     CFSTR(format), ## __VA_ARGS__)
  99
 100 #define secinfo(scope, format, ...)     __security_log(ASL_LEVEL_INFO, CFSTR(scope), \
 101     __FUNCTION__, __FILE__, __LINE__, \
 102     CFSTR(format), ## __VA_ARGS__)
 103
 104 #if !defined(NDEBUG)
 105
 106 # define secdebug(scope,format, ...)    __security_debug(CFSTR(scope), \
 107     __FUNCTION__, __FILE__, __LINE__, \
 108     CFSTR(format), ## __VA_ARGS__)
 109 #else
 110 # define secdebug(scope,...)    /* nothing */
 111 #endif
 112
 113 typedef void (^security_log_handler)(int level, CFStringRef scope, const char *function,
 114                                      const char *file, int line, CFStringRef message);
 115
 116 void add_security_log_handler(security_log_handler handler);
 117 void remove_security_log_handler(security_log_handler handler);
 118
 119 /* To simulate a process crash in some conditions */
 120 void __security_simulatecrash(CFStringRef reason, uint32_t code);
 121
 122 /* predefined simulate crash exception codes */
 123 #define __sec_exception_code(x) (0x53c00000+x)
 124 #define __sec_exception_code_CorruptDb(db,rc)       __sec_exception_code(1|((db)<<8)|((rc)<<16))
 125 #define __sec_exception_code_CorruptItem            __sec_exception_code(2)
 126 #define __sec_exception_code_OTRError               __sec_exception_code(3)
 127 #define __sec_exception_code_DbItemDescribe         __sec_exception_code(4)
 128 #define __sec_exception_code_TwiceCorruptDb(db)     __sec_exception_code(5|((db)<<8))
 129
 130 /* Logging control functions */
 131
 132 typedef enum {
 133     kScopeIDEnvironment = 0,
 134     kScopeIDDefaults = 1,
 135     kScopeIDConfig = 2,
 136     kScopeIDXPC = 3,
 137     kScopeIDMax = 3,
 138 } SecDebugScopeID;
 139
 140 void ApplyScopeListForID(CFStringRef scopeList, SecDebugScopeID whichID);
 141 void ApplyScopeDictionaryForID(CFDictionaryRef scopeList, SecDebugScopeID whichID);
 142 CFPropertyListRef CopyCurrentScopePlist(void);
 143
 144 __END_DECLS
 145
 146 #endif // !KERNEL
 147
 148 #endif /* _SECURITY_UTILITIES_DEBUGGING_H_ */