SecurityTool/user_trust_enable.cpp

   1 /*
   2  * Copyright (c) 2003-2004,2006,2008-2009,2012,2014 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  * user_trust_enable.cpp
  24  */
  25
  26 #include "security_tool.h"
  27 #include "user_trust_enable.h"
  28 #include <errno.h>
  29 #include <unistd.h>
  30 #include <security_utilities/simpleprefs.h>
  31 #include <Security/TrustSettingsSchema.h>               /* private SPI */
  32 #include <CoreFoundation/CFNumber.h>
  33
  34 typedef enum {
  35         utoSet = 0,
  36         utoShow
  37 } UserTrustOp;
  38
  39 int
  40 user_trust_enable(int argc, char * const *argv)
  41 {
  42         extern int optind;
  43         int arg;
  44         UserTrustOp op = utoShow;
  45         CFBooleanRef disabledBool = kCFBooleanFalse;    /* what we write to prefs */
  46         optind = 1;
  47         int ourRtn = 0;
  48
  49         while ((arg = getopt(argc, argv, "deh")) != -1) {
  50                 switch (arg) {
  51                         case 'd':
  52                                 op = utoSet;
  53                                 disabledBool = kCFBooleanTrue;
  54                                 break;
  55                         case 'e':
  56                                 op = utoSet;
  57                                 disabledBool = kCFBooleanFalse;
  58                                 break;
  59                         default:
  60                         case 'h':
  61                                 return SHOW_USAGE_MESSAGE;
  62                 }
  63         }
  64         if(optind != argc) {
  65                 return SHOW_USAGE_MESSAGE;
  66         }
  67
  68         if(op == utoShow) {
  69                 bool utDisable = false;
  70
  71 #if !defined MAC_OS_X_VERSION_10_6 || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
  72                 Dictionary* prefsDict = new Dictionary(kSecTrustSettingsPrefsDomain, Dictionary::US_System);
  73 #else
  74                 Dictionary* prefsDict = Dictionary::CreateDictionary(kSecTrustSettingsPrefsDomain, Dictionary::US_System);
  75 #endif
  76                 if (prefsDict != NULL)
  77                 {
  78                         utDisable = prefsDict->getBoolValue(kSecTrustSettingsDisableUserTrustSettings);
  79                         delete prefsDict;
  80                 }
  81
  82                 fprintf(stdout, "User-level Trust Settings are %s\n",
  83                         utDisable ? "Disabled" : "Enabled");
  84                 return 0;
  85         }
  86
  87         /*  set the pref... */
  88         if(geteuid() != 0) {
  89                 fprintf(stderr, "You must be root to set this preference.\n");
  90                 return 1;
  91         }
  92
  93         /* get a mutable copy of the existing prefs, or a fresh empty one */
  94 #if !defined MAC_OS_X_VERSION_10_6 || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
  95         MutableDictionary *prefsDict = new MutableDictionary(kSecTrustSettingsPrefsDomain, Dictionary::US_System);
  96 #else
  97         MutableDictionary *prefsDict = MutableDictionary::CreateMutableDictionary(kSecTrustSettingsPrefsDomain, Dictionary::US_System);
  98 #endif
  99         if (prefsDict == NULL)
 100         {
 101                 prefsDict = new MutableDictionary();
 102         }
 103
 104         prefsDict->setValue(kSecTrustSettingsDisableUserTrustSettings, disabledBool);
 105         if(prefsDict->writePlistToPrefs(kSecTrustSettingsPrefsDomain, Dictionary::US_System)) {
 106                 fprintf(stdout, "...User-level Trust Settings are %s\n",
 107                         (disabledBool == kCFBooleanTrue) ? "Disabled" : "Enabled");
 108         }
 109         else {
 110                 fprintf(stderr, "Could not write system preferences.\n");
 111                 ourRtn = 1;
 112         }
 113         delete prefsDict;
 114         return ourRtn;
 115 }