Security/authd/debugging.c

   1 /* Copyright (c) 2012 Apple Inc. All Rights Reserved. */
   2
   3 #include "debugging.h"
   4 #include "authd_private.h"
   5 #include "authutilities.h"
   6 #include <stdarg.h>
   7 #include <syslog.h>
   8 #include <dispatch/dispatch.h>
   9 #include <CoreFoundation/CoreFoundation.h>
  10
  11 // sudo defaults write /Library/Preferences/com.apple.security.coderequirements Entitlements -string always
  12
  13 static bool
  14 security_auth_verbose(void)
  15 {
  16     static dispatch_once_t onceToken;
  17     static bool verbose_enabled = false;
  18
  19     //sudo defaults write /Library/Preferences/com.apple.authd verbose -bool true
  20     dispatch_once(&onceToken, ^{
  21                 CFTypeRef verbose = (CFNumberRef)CFPreferencesCopyValue(CFSTR("verbose"), CFSTR(SECURITY_AUTH_NAME), kCFPreferencesAnyUser, kCFPreferencesCurrentHost);
  22
  23         if (verbose && CFGetTypeID(verbose) == CFBooleanGetTypeID()) {
  24             verbose_enabled = CFBooleanGetValue((CFBooleanRef)verbose);
  25         }
  26 #if DEBUG
  27         syslog(LOG_NOTICE, "verbose: %s", verbose_enabled ? "enabled" : "disabled");
  28 #endif
  29         CFReleaseSafe(verbose);
  30     });
  31
  32     return verbose_enabled;
  33 }
  34
  35 void
  36 security_auth_log(int type,const char * format,...)
  37 {
  38     va_list ap;
  39     va_start(ap, format);
  40     switch (type) {
  41         case AUTH_LOG_NORMAL:
  42             vsyslog(LOG_NOTICE, format, ap);
  43             break;
  44         case AUTH_LOG_VERBOSE:
  45             if (security_auth_verbose()) {
  46                 vsyslog(LOG_NOTICE, format, ap);
  47             }
  48             break;
  49         case AUTH_LOG_ERROR:
  50             vsyslog(LOG_ERR, format, ap);
  51             break;
  52         default:
  53             break;
  54     }
  55     va_end(ap);
  56 }
  57
  58 void _show_cf(CFTypeRef value)
  59 {
  60     CFStringRef string = NULL;
  61     char * tmp = NULL;
  62     require(value != NULL, done);
  63
  64     if (security_auth_verbose()) {
  65         string = CFCopyDescription(value);
  66         tmp = _copy_cf_string(string, NULL);
  67
  68         syslog(LOG_NOTICE, "%s", tmp);
  69     }
  70
  71 done:
  72     CFReleaseSafe(string);
  73     free_safe(tmp);
  74     return;
  75 }