OSX/sec/securityd/Regressions/secd-81-item-acl-stress.c

   1 //
   2 //  si-81-item-acl.c
   3 //  sec
   4 //
   5 //  Copyright (c) 2013-2014 Apple Inc. All Rights Reserved.
   6 //
   7 //
   8
   9 #include <CoreFoundation/CoreFoundation.h>
  10 #include <Security/SecCertificate.h>
  11 #include <Security/SecItem.h>
  12 #include <Security/SecItemPriv.h>
  13 #include <Security/SecBase.h>
  14 #include <utilities/array_size.h>
  15 #include <utilities/SecCFWrappers.h>
  16 #include <stdlib.h>
  17 #include <unistd.h>
  18 #include <Security/SecAccessControl.h>
  19 #include <Security/SecAccessControlPriv.h>
  20 #include <libaks_acl_cf_keys.h>
  21 #include <LocalAuthentication/LAPublicDefines.h>
  22 #include <LocalAuthentication/LAPrivateDefines.h>
  23 #include <securityd/SecItemServer.h>
  24 #include <LocalAuthentication/LAPublicDefines.h>
  25
  26 #include "secd_regressions.h"
  27
  28 #if USE_KEYSTORE
  29 #include <coreauthd_spi.h>
  30 #include "SecdTestKeychainUtilities.h"
  31 #if TARGET_OS_EMBEDDED
  32 #include <MobileKeyBag/MobileKeyBag.h>
  33 #endif
  34
  35 void kc_dbhandle_reset(void);
  36 #endif
  37
  38 enum ItemAttrType {
  39     kBoolItemAttr,
  40     kNumberItemAttr,
  41     kStringItemAttr,
  42     kDataItemAttr,
  43     kBlobItemAttr,
  44     kDateItemAttr,
  45     kAccessabilityItemAttr,
  46     kAccessGroupItemAttr,
  47 };
  48
  49 extern void LASetErrorCodeBlock(CFErrorRef (^newCreateErrorBlock)(void));
  50
  51 #if USE_KEYSTORE
  52 static keybag_handle_t test_keybag;
  53 static const char *passcode = "password";
  54
  55 static bool changePasscode(const char *old_passcode, const char *new_passcode)
  56 {
  57     size_t old_passcode_len = 0;
  58     size_t new_passcode_len = 0;
  59
  60     if (old_passcode)
  61         old_passcode_len = strlen(old_passcode);
  62
  63     if (new_passcode)
  64         new_passcode_len = strlen(new_passcode);
  65
  66     kern_return_t status = aks_change_secret(test_keybag, old_passcode, (int)old_passcode_len, new_passcode, (int)new_passcode_len, NULL, NULL);
  67     return status == 0;
  68 }
  69 #endif
  70
  71 static void WithEachString(void(^each)(CFStringRef attr, enum ItemAttrType atype), ...) {
  72     va_list ap;
  73     va_start(ap, each);
  74     CFStringRef attr;
  75     while((attr = va_arg(ap, CFStringRef)) != NULL) {
  76         enum ItemAttrType atype = va_arg(ap, enum ItemAttrType);
  77         each(attr, atype);
  78     }
  79     va_end(ap);
  80 }
  81
  82 static void ItemForEachPKAttr(CFMutableDictionaryRef item, void(^each)(CFStringRef attr, enum ItemAttrType atype)) {
  83     CFStringRef iclass = CFDictionaryGetValue(item, kSecClass);
  84     if (!iclass) {
  85         return;
  86     } else if (CFEqual(iclass, kSecClassGenericPassword)) {
  87         WithEachString(each,
  88                        kSecAttrAccessible,          kAccessabilityItemAttr,
  89                        kSecAttrAccessGroup,         kAccessGroupItemAttr,
  90                        kSecAttrAccount,             kStringItemAttr,
  91                        kSecAttrService,             kStringItemAttr,
  92                        kSecAttrSynchronizable,      kBoolItemAttr,
  93                        NULL);
  94     } else if (CFEqual(iclass, kSecClassInternetPassword)) {
  95         WithEachString(each,
  96                        kSecAttrAccessible,          kAccessabilityItemAttr,
  97                        kSecAttrAccessGroup,         kAccessGroupItemAttr,
  98                        kSecAttrAccount,             kStringItemAttr,
  99                        kSecAttrSecurityDomain,      kStringItemAttr,
 100                        kSecAttrServer,              kStringItemAttr,
 101                        kSecAttrProtocol,            kNumberItemAttr,
 102                        kSecAttrAuthenticationType,  kNumberItemAttr,
 103                        kSecAttrPort,                kNumberItemAttr,
 104                        kSecAttrPath,                kStringItemAttr,
 105                        kSecAttrSynchronizable,      kBoolItemAttr,
 106                        NULL);
 107     } else if (CFEqual(iclass, kSecClassCertificate)) {
 108         WithEachString(each,
 109                        kSecAttrAccessible,          kAccessabilityItemAttr,
 110                        kSecAttrAccessGroup,         kAccessGroupItemAttr,
 111                        kSecAttrCertificateType,     kNumberItemAttr,
 112                        kSecAttrIssuer,              kDataItemAttr,
 113                        kSecAttrSerialNumber,        kDataItemAttr,
 114                        kSecAttrSynchronizable,      kBoolItemAttr,
 115                        NULL);
 116     } else if (CFEqual(iclass, kSecClassKey)) {
 117         WithEachString(each,
 118                        kSecAttrAccessible,          kAccessabilityItemAttr,
 119                        kSecAttrAccessGroup,         kAccessGroupItemAttr,
 120                        kSecAttrKeyClass,            kStringItemAttr, // kNumberItemAttr on replies
 121                        kSecAttrApplicationLabel,    kDataItemAttr,
 122                        kSecAttrApplicationTag,      kDataItemAttr,
 123                        kSecAttrKeyType,             kNumberItemAttr,
 124                        kSecAttrKeySizeInBits,       kNumberItemAttr,
 125                        kSecAttrEffectiveKeySize,    kNumberItemAttr,
 126                        kSecAttrStartDate,           kDateItemAttr,
 127                        kSecAttrEndDate,             kDateItemAttr,
 128                        kSecAttrSynchronizable,      kBoolItemAttr,
 129                        NULL);
 130     } else if (CFEqual(iclass, kSecClassIdentity)) {
 131         WithEachString(each,
 132                        kSecAttrAccessible,          kAccessabilityItemAttr,
 133                        kSecAttrAccessGroup,         kAccessGroupItemAttr,
 134                        kSecAttrCertificateType,     kNumberItemAttr,
 135                        kSecAttrIssuer,              kDataItemAttr,
 136                        kSecAttrSerialNumber,        kDataItemAttr,
 137                        kSecAttrSynchronizable,      kBoolItemAttr,
 138                        kSecAttrKeyClass,            kStringItemAttr, // kNumberItemAttr on replies
 139                        kSecAttrApplicationLabel,    kDataItemAttr,
 140                        kSecAttrApplicationTag,      kDataItemAttr,
 141                        kSecAttrKeyType,             kNumberItemAttr,
 142                        kSecAttrKeySizeInBits,       kNumberItemAttr,
 143                        kSecAttrEffectiveKeySize,    kNumberItemAttr,
 144                        kSecAttrStartDate,           kDateItemAttr,
 145                        kSecAttrEndDate,             kDateItemAttr,
 146                        kSecAttrSynchronizable,      kBoolItemAttr,
 147                        NULL);
 148     }
 149 }
 150
 151 #if USE_KEYSTORE
 152 CF_RETURNS_RETAINED
 153 static CFErrorRef createCFError(CFStringRef message, CFIndex code)
 154 {
 155     const void* keysPtr[1];
 156     const void* messagesPtr[1];
 157
 158     keysPtr[0] = kCFErrorLocalizedDescriptionKey;
 159     messagesPtr[0] = message;
 160     return CFErrorCreateWithUserInfoKeysAndValues(kCFAllocatorDefault, CFSTR(kLAErrorDomain), code, keysPtr, messagesPtr, 1);
 161 }
 162 #endif
 163
 164 static void fillItem(CFMutableDictionaryRef item, uint32_t num)
 165 {
 166     ItemForEachPKAttr(item, ^(CFStringRef attr, enum ItemAttrType atype) {
 167         CFTypeRef value = NULL;
 168         switch (atype) {
 169             case kBoolItemAttr:
 170                 value = (num % 2 == 0 ? kCFBooleanTrue : kCFBooleanFalse);
 171                 CFRetain(value);
 172                 break;
 173             case kNumberItemAttr:
 174                 value = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &num);
 175                 break;
 176             case kStringItemAttr:
 177             case kBlobItemAttr:
 178                 value = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("acl-stress-string-%d"), num);
 179                 break;
 180             case kDataItemAttr:
 181             {
 182                 char buf[50];
 183                 int len = snprintf(buf, sizeof(buf), "acl-stress-data-%d", num);
 184                 value = CFDataCreate(kCFAllocatorDefault, (const UInt8 *)buf, len);
 185                 break;
 186             }
 187             case kDateItemAttr:
 188                 value = NULL; // Don't mess with dates on create.
 189                 break;
 190             case kAccessabilityItemAttr:
 191             { break; }
 192             case kAccessGroupItemAttr:
 193             {
 194                 CFStringRef accessGroups[] = {
 195                     NULL,
 196                     CFSTR("com.apple.security.sos"),          // Secd internally uses this
 197                 };
 198                 value = accessGroups[num % array_size(accessGroups)];
 199                 break;
 200             }
 201         }
 202         if (value)
 203             CFDictionarySetValue(item, attr, value);
 204         CFReleaseSafe(value);
 205     });
 206 }
 207
 208 static void tests(bool isPasscodeSet)
 209 {
 210     CFErrorRef (^okBlock)(void)  = ^ {
 211         return (CFErrorRef)NULL;
 212     };
 213
 214 #if USE_KEYSTORE
 215     CFErrorRef (^errorNotInteractiveBlock)(void)  = ^ {
 216         return createCFError(CFSTR(""), kLAErrorNotInteractive);
 217     };
 218 #endif
 219
 220     CFArrayRef classArray = CFArrayCreateForCFTypes(kCFAllocatorDefault, kSecClassInternetPassword, kSecClassGenericPassword, kSecClassKey, kSecClassCertificate, NULL);
 221     CFArrayRef protectionClassArray = CFArrayCreateForCFTypes(kCFAllocatorDefault, kSecAttrAccessibleWhenUnlocked, kSecAttrAccessibleAfterFirstUnlock, kSecAttrAccessibleAlways,
 222                                                          kSecAttrAccessibleWhenUnlockedThisDeviceOnly, kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly,
 223                                                          kSecAttrAccessibleAlwaysThisDeviceOnly, kSecAttrAccessibleWhenPasscodeSetThisDeviceOnly, NULL);
 224
 225     __block uint32_t pass = 0;
 226     CFArrayForEach(classArray, ^(CFTypeRef itemClass) {
 227         CFArrayForEach(protectionClassArray, ^(CFTypeRef protectionClass) {
 228             CFMutableDictionaryRef item = CFDictionaryCreateMutableForCFTypesWith(kCFAllocatorDefault, kSecClass, itemClass, NULL);
 229             fillItem(item, ++pass);
 230
 231             LASetErrorCodeBlock(okBlock);
 232             SecAccessControlRef aclRef = SecAccessControlCreate(kCFAllocatorDefault, NULL);
 233             ok(aclRef, "Create SecAccessControlRef");
 234             ok(SecAccessControlSetProtection(aclRef, protectionClass, NULL), "Set protection");
 235             ok(SecAccessControlAddConstraintForOperation(aclRef, kAKSKeyOpDecrypt, kCFBooleanTrue, NULL), "Set operation decrypt to true");
 236             ok(SecAccessControlAddConstraintForOperation(aclRef, kAKSKeyOpDelete, kCFBooleanTrue, NULL), "Set operation delete to true");
 237             ok(SecAccessControlAddConstraintForOperation(aclRef, kAKSKeyOpEncrypt, kCFBooleanTrue, NULL), "Set operation encrypt to true");
 238
 239             LASetErrorCodeBlock(okBlock);
 240             CFDictionarySetValue(item, kSecAttrAccessControl, aclRef);
 241             CFDictionarySetValue(item, kSecAttrSynchronizable, kCFBooleanFalse);
 242 #if USE_KEYSTORE
 243             ok_status(SecItemAdd(item, NULL), "add local ");
 244             ok_status(SecItemCopyMatching(item, NULL), "find local");
 245             ok_status(SecItemDelete(item), "delete local");
 246             is_status(SecItemCopyMatching(item, NULL), errSecItemNotFound, "do not find after delete local");
 247 #endif
 248             CFDictionarySetValue(item, kSecAttrSynchronizable, kCFBooleanTrue);
 249             is_status(SecItemAdd(item, NULL), errSecParam, "add sync");
 250             is_status(SecItemCopyMatching(item, NULL), errSecItemNotFound, "do not find sync");
 251             CFDictionarySetValue(item, kSecAttrSynchronizable, kCFBooleanFalse);
 252
 253 #if USE_KEYSTORE
 254             if(isPasscodeSet) {
 255                 SecAccessControlRef aclWithUIRef = SecAccessControlCreateWithFlags(kCFAllocatorDefault, protectionClass, kSecAccessControlUserPresence, NULL);
 256                 ok(aclWithUIRef, "Create SecAccessControlRef which require UI interaction");
 257
 258                 CFDictionarySetValue(item, kSecAttrAccessControl, aclWithUIRef);
 259                 ok_status(SecItemAdd(item, NULL), "add local - acl with authentication UI");
 260                 CFDictionarySetValue(item, kSecUseAuthenticationUI, kSecUseAuthenticationUIFail);
 261                 LASetErrorCodeBlock(errorNotInteractiveBlock);
 262                 is_status(SecItemCopyMatching(item, NULL), errSecInteractionNotAllowed, "find local  - acl with authentication UI");
 263                 CFDictionarySetValue(item, kSecUseAuthenticationUI, kSecUseAuthenticationUISkip);
 264                 is_status(SecItemCopyMatching(item, NULL), errSecItemNotFound, "find local  - acl with authentication UI");
 265                 CFDictionarySetValue(item, kSecUseAuthenticationUI, kSecUseAuthenticationUIAllow);
 266                 LASetErrorCodeBlock(okBlock);
 267                 ok_status(SecItemDelete(item), "delete local  - acl with authentication UI");
 268                 is_status(SecItemCopyMatching(item, NULL), errSecItemNotFound, "do not find after delete local  - acl with authentication UI");
 269
 270                 CFDictionarySetValue(item, kSecUseAuthenticationUI, kSecUseAuthenticationUIFail);
 271                 ok_status(SecItemAdd(item, NULL), "add local - acl with authentication UI");
 272                 LASetErrorCodeBlock(errorNotInteractiveBlock);
 273                 is_status(SecItemCopyMatching(item, NULL), errSecInteractionNotAllowed, "find local  - acl with authentication UI");
 274                 LASetErrorCodeBlock(okBlock);
 275                 ok_status(SecItemDelete(item), "delete local  - acl with authentication UI");
 276                 is_status(SecItemCopyMatching(item, NULL), errSecItemNotFound, "do not find after delete local  - acl with authentication UI");
 277                 CFDictionarySetValue(item, kSecUseAuthenticationUI, kSecUseAuthenticationUIAllow);
 278
 279                 SecAccessControlRef aclWithDeleteConstraintRef = SecAccessControlCreateWithFlags(kCFAllocatorDefault, protectionClass, kSecAccessControlUserPresence, NULL);
 280                 ok(aclWithDeleteConstraintRef, "Create SecAccessControlRef which require UI interaction for Delete operation");
 281                 CFTypeRef constraint = SecAccessConstraintCreatePolicy(kCFAllocatorDefault, CFSTR("DeviceOwnerAuthentication"), NULL);
 282                 ok(constraint);
 283                 ok(SecAccessControlAddConstraintForOperation(aclWithDeleteConstraintRef, kAKSKeyOpDelete, constraint, NULL), "Add constraint for operation delete");
 284                 CFReleaseSafe(constraint);
 285
 286                 CFDictionarySetValue(item, kSecAttrAccessControl, aclWithDeleteConstraintRef);
 287                 ok_status(SecItemAdd(item, NULL), "add local - acl with authentication UI");
 288                 CFDictionarySetValue(item, kSecUseAuthenticationUI, kSecUseAuthenticationUIFail);
 289                 LASetErrorCodeBlock(errorNotInteractiveBlock);
 290                 is_status(SecItemDelete(item), errSecInteractionNotAllowed, "delete local  - acl with authentication UI");
 291
 292                 if (CFEqual(protectionClass, kSecAttrAccessibleWhenPasscodeSetThisDeviceOnly)) {
 293                     CFDictionarySetValue(item, kSecUseAuthenticationUI, kSecUseAuthenticationUIAllow);
 294                     ok(changePasscode(passcode, NULL));
 295                     LASetErrorCodeBlock(okBlock);
 296                     ok_status(SecItemDelete(item), "delete local  - acl with authentication UI");
 297                     ok(changePasscode(NULL, passcode));
 298
 299                     CFReleaseSafe(aclWithUIRef);
 300                     CFReleaseSafe(aclWithDeleteConstraintRef);
 301
 302                     aclWithUIRef = SecAccessControlCreateWithFlags(kCFAllocatorDefault, kSecAttrAccessibleWhenPasscodeSetThisDeviceOnly, kSecAccessControlUserPresence, NULL);
 303                     ok(aclWithUIRef, "Create SecAccessControlRef which require UI interaction");
 304
 305                     CFDictionarySetValue(item, kSecAttrAccessControl, aclWithUIRef);
 306                     ok_status(SecItemAdd(item, NULL), "add local - acl with authentication UI");
 307                     changePasscode(passcode, NULL);
 308                     ok_status(SecItemDelete(item), "delete local - AKPU");
 309                     changePasscode(NULL, passcode);
 310
 311                     aclWithDeleteConstraintRef = SecAccessControlCreateWithFlags(kCFAllocatorDefault, kSecAttrAccessibleWhenPasscodeSetThisDeviceOnly, kSecAccessControlUserPresence, NULL);
 312                     ok(aclWithDeleteConstraintRef, "Create SecAccessControlRef which require UI interaction for Delete operation");
 313                     constraint = SecAccessConstraintCreatePolicy(kCFAllocatorDefault, CFSTR("DeviceOwnerAuthentication"), NULL);
 314                     ok(constraint);
 315                     ok(SecAccessControlAddConstraintForOperation(aclWithDeleteConstraintRef, kAKSKeyOpDelete, constraint, NULL), "Add constraint for operation delete");
 316                     CFReleaseSafe(constraint);
 317
 318                     CFDictionarySetValue(item, kSecAttrAccessControl, aclWithDeleteConstraintRef);
 319                     ok_status(SecItemAdd(item, NULL), "add local - acl with authentication UI");
 320                     changePasscode(passcode, NULL);
 321                     ok_status(SecItemDelete(item), "delete local - AKPU + prot odel");
 322                     changePasscode(NULL, passcode);
 323
 324                     CFReleaseNull(aclWithUIRef);
 325                     CFReleaseNull(aclWithDeleteConstraintRef);
 326                 }
 327                 CFReleaseNull(aclWithUIRef);
 328                 CFReleaseNull(aclWithDeleteConstraintRef);
 329             }
 330 #endif
 331             CFReleaseNull(item);
 332             CFReleaseNull(aclRef);
 333         });
 334     });
 335
 336     CFRelease(classArray);
 337     CFRelease(protectionClassArray);
 338 }
 339
 340 int secd_81_item_acl_stress(int argc, char *const *argv)
 341 {
 342 #if USE_KEYSTORE
 343     secd_test_setup_temp_keychain(__FUNCTION__, ^{
 344         keybag_state_t state;
 345         int passcode_len=(int)strlen(passcode);
 346
 347         ok(kIOReturnSuccess==aks_create_bag(passcode, passcode_len, kAppleKeyStoreDeviceBag, &test_keybag), "create keybag");
 348         ok(kIOReturnSuccess==aks_get_lock_state(test_keybag, &state), "get keybag state");
 349         ok(!(state&keybag_state_locked), "keybag unlocked");
 350         SecItemServerSetKeychainKeybag(test_keybag);
 351     });
 352
 353     bool isPasscodeSet = true;
 354 #else
 355     bool isPasscodeSet = false;
 356 #endif
 357
 358     plan_tests(isPasscodeSet?776:196);
 359
 360     tests(isPasscodeSet);
 361
 362 #if USE_KEYSTORE
 363     SecItemServerResetKeychainKeybag();
 364 #endif
 365
 366     return 0;
 367 }