OSX/sec/Security/SecItem.c

   1 /*
   2  * Copyright (c) 2006-2014 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  * SecItem.c - CoreFoundation-based constants and functions for
  26     access to Security items (certificates, keys, identities, and
  27     passwords.)
  28  */
  29
  30 #include <Security/SecBasePriv.h>
  31 #include <Security/SecItem.h>
  32 #include <Security/SecItemPriv.h>
  33 #include <Security/SecItemInternal.h>
  34 #include <Security/SecItemShim.h>
  35 #include <Security/SecAccessControl.h>
  36 #include <Security/SecAccessControlPriv.h>
  37 #include <Security/SecKey.h>
  38 #include <Security/SecKeyPriv.h>
  39 #include <Security/SecCertificateInternal.h>
  40 #include <Security/SecIdentity.h>
  41 #include <Security/SecIdentityPriv.h>
  42 #include <Security/SecRandom.h>
  43 #include <Security/SecBasePriv.h>
  44 #include <Security/SecCTKKeyPriv.h>
  45 #include <Security/SecTask.h>
  46 #include <Security/SecPolicyInternal.h>
  47 #include <errno.h>
  48 #include <limits.h>
  49 #include <sqlite3.h>
  50 #include <stdint.h>
  51 #include <stdlib.h>
  52 #include <string.h>
  53 #include <sys/param.h>
  54 #include <sys/stat.h>
  55 #include <Security/SecBase.h>
  56 #include <CoreFoundation/CFData.h>
  57 #include <CoreFoundation/CFDate.h>
  58 #include <CoreFoundation/CFDictionary.h>
  59 #include <CoreFoundation/CFNumber.h>
  60 #include <CoreFoundation/CFString.h>
  61 #include <CoreFoundation/CFURL.h>
  62 #include <CommonCrypto/CommonDigest.h>
  63 #include <libkern/OSByteOrder.h>
  64 #include <corecrypto/ccder.h>
  65 #include <utilities/array_size.h>
  66 #include <utilities/debugging.h>
  67 #include <utilities/SecCFError.h>
  68 #include <utilities/SecCFWrappers.h>
  69 #include <utilities/SecIOFormat.h>
  70 #include <utilities/SecXPCError.h>
  71 #include <utilities/der_plist.h>
  72 #include <utilities/der_plist_internal.h>
  73 #include <assert.h>
  74 #include <dlfcn.h>
  75 #include <libaks_acl_cf_keys.h>
  76 #include <os/activity.h>
  77 #include <pthread.h>
  78 #include <os/lock.h>
  79
  80 #include <Security/SecInternal.h>
  81 #include "SOSInternal.h"
  82 #include <TargetConditionals.h>
  83 #include <ipc/securityd_client.h>
  84 #include <Security/SecuritydXPC.h>
  85 #include <AssertMacros.h>
  86 #include <asl.h>
  87 #include <sys/types.h>
  88 #include <pwd.h>
  89 #include <grp.h>
  90 #include <unistd.h>
  91 #include <libDER/asn1Types.h>
  92
  93 #include <utilities/SecDb.h>
  94 #include <IOKit/IOReturn.h>
  95
  96 #include <coreauthd_spi.h>
  97 #include <LocalAuthentication/LAPrivateDefines.h>
  98 #include <LocalAuthentication/LACFSupport.h>
  99
 100 #include <ctkclient.h>
 101
 102 const CFStringRef kSecNetworkExtensionAccessGroupSuffix = CFSTR("com.apple.networkextensionsharing");
 103
 104 /* Return an OSStatus for a sqlite3 error code. */
 105 static OSStatus osstatus_for_s3e(int s3e)
 106 {
 107         switch (s3e)
 108         {
 109         case SQLITE_OK:
 110         case SQLITE_DONE:
 111             return errSecSuccess;
 112         case SQLITE_READONLY:
 113             return errSecReadOnly;
 114         case SQLITE_CONSTRAINT:
 115             return errSecDuplicateItem;
 116         case SQLITE_ABORT:             // There is no errSecOperationCancelled
 117             return -1;
 118         case SQLITE_MISMATCH:
 119             return errSecNoSuchAttr;
 120         case SQLITE_NOMEM:
 121             return errSecAllocate;
 122         case SQLITE_IOERR:
 123             return errSecIO;
 124         case SQLITE_INTERNAL:
 125             return errSecInternalComponent;
 126         case SQLITE_FULL:              // Happens if we run out of uniqueids or disk is full (TODO: replace with better code)
 127         case SQLITE_PERM:              // No acess permission
 128         case SQLITE_AUTH:              // No authorization (e.g. no class key for file)
 129         case SQLITE_CANTOPEN:          // can be several reasons for this. Caller should sqlite3_system_errno()
 130         case SQLITE_EMPTY:             // SQLite does not seem to use this. Was already here, so keeping
 131         case SQLITE_ERROR:
 132         default:
 133             return errSecNotAvailable;
 134         }
 135 }
 136
 137 static OSStatus osstatus_for_kern_return(CFIndex kernResult)
 138 {
 139         switch (kernResult)
 140         {
 141         case KERN_SUCCESS:
 142             return errSecSuccess;
 143         case kIOReturnNotReadable:
 144         case kIOReturnNotWritable:
 145             return errSecAuthFailed;
 146         case kIOReturnNotPermitted:
 147         case kIOReturnNotPrivileged:
 148         case kIOReturnLockedRead:
 149         case kIOReturnLockedWrite:
 150             return errSecInteractionNotAllowed;
 151         case kIOReturnError:
 152             return errSecDecode;
 153         case kIOReturnBadArgument:
 154             return errSecParam;
 155         default:
 156             return errSecNotAvailable; /* TODO: Replace with a real error code. */
 157         }
 158 }
 159
 160 static OSStatus osstatus_for_xpc_error(CFIndex xpcError) {
 161     switch (xpcError)
 162         {
 163         case kSecXPCErrorSuccess:
 164             return errSecSuccess;
 165         case kSecXPCErrorUnexpectedType:
 166         case kSecXPCErrorUnexpectedNull:
 167             return errSecParam;
 168         case kSecXPCErrorConnectionFailed:
 169             return errSecNotAvailable;
 170         case kSecXPCErrorUnknown:
 171         default:
 172             return errSecInternal;
 173     }
 174 }
 175
 176 static OSStatus osstatus_for_der_error(CFIndex derError) {
 177     switch (derError)
 178         {
 179         case kSecDERErrorUnknownEncoding:
 180         case kSecDERErrorUnsupportedDERType:
 181         case kSecDERErrorUnsupportedNumberType:
 182             return errSecDecode;
 183         case kSecDERErrorUnsupportedCFObject:
 184             return errSecParam;
 185         case kSecDERErrorAllocationFailure:
 186             return errSecAllocate;
 187         default:
 188             return errSecInternal;
 189     }
 190 }
 191
 192 static OSStatus osstatus_for_localauthentication_error(CFIndex laError) {
 193     // Wrap LA error in Sec error.
 194     switch (laError) {
 195         case kLAErrorUserCancel:
 196             return errSecUserCanceled;
 197         case kLAErrorParameter:
 198             return errSecParam;
 199         case kLAErrorNotInteractive:
 200             return errSecInteractionNotAllowed;
 201         default:
 202             return errSecAuthFailed;
 203     }
 204 }
 205
 206 static OSStatus osstatus_for_ctk_error(CFIndex ctkError) {
 207     switch (ctkError) {
 208         case kTKErrorCodeBadParameter:
 209             return errSecParam;
 210         case kTKErrorCodeNotImplemented:
 211             return errSecUnimplemented;
 212         case kTKErrorCodeCanceledByUser:
 213             return errSecUserCanceled;
 214         case kTKErrorCodeCorruptedData:
 215             return errSecDecode;
 216         default:
 217             return errSecInternal;
 218     }
 219 }
 220
 221
 222 // Convert from securityd error codes to OSStatus for legacy API.
 223 OSStatus SecErrorGetOSStatus(CFErrorRef error) {
 224     OSStatus status;
 225     if (error == NULL) {
 226         status = errSecSuccess;
 227     } else {
 228         CFStringRef domain = CFErrorGetDomain(error);
 229         if (domain == NULL) {
 230             secerror("No error domain for error: %@", error);
 231             status = errSecInternal;
 232         } else if (CFEqual(kSecErrorDomain, domain)) {
 233             status = (OSStatus)CFErrorGetCode(error);
 234         } else if (CFEqual(kSecDbErrorDomain, domain)) {
 235             status = osstatus_for_s3e((int)CFErrorGetCode(error));
 236         } else if (CFEqual(kSecErrnoDomain, domain)) {
 237             status = (OSStatus)CFErrorGetCode(error);
 238         } else if (CFEqual(kSecKernDomain, domain)) {
 239             status = osstatus_for_kern_return(CFErrorGetCode(error));
 240         } else if (CFEqual(sSecXPCErrorDomain, domain)) {
 241             status = osstatus_for_xpc_error(CFErrorGetCode(error));
 242         } else if (CFEqual(sSecDERErrorDomain, domain)) {
 243             status = osstatus_for_der_error(CFErrorGetCode(error));
 244         } else if (CFEqual(CFSTR(kLAErrorDomain), domain)) {
 245             status = osstatus_for_localauthentication_error(CFErrorGetCode(error));
 246         } else if (CFEqual(CFSTR(kTKErrorDomain), domain)) {
 247             status = osstatus_for_ctk_error(CFErrorGetCode(error));
 248         } else if (CFEqual(kSOSErrorDomain, domain)) {
 249             status = errSecInternal;
 250         } else {
 251             secnotice("securityd", "unknown error domain: %@ for error: %@", domain, error);
 252             status = errSecInternal;
 253         }
 254     }
 255     return status;
 256 }
 257
 258 static void
 259 lastErrorReleaseError(void *value)
 260 {
 261     if (value)
 262         CFRelease(value);
 263 }
 264
 265 static bool
 266 getLastErrorKey(pthread_key_t *kv)
 267 {
 268     static pthread_key_t key;
 269     static bool haveKey = false;
 270     static dispatch_once_t onceToken;
 271     dispatch_once(&onceToken, ^{
 272         if (pthread_key_create(&key, lastErrorReleaseError) == 0)
 273             haveKey = true;
 274     });
 275     *kv = key;
 276     return haveKey;
 277 }
 278
 279 static void
 280 SetLastError(CFErrorRef newError)
 281 {
 282     pthread_key_t key;
 283     if (!getLastErrorKey(&key))
 284         return;
 285     CFErrorRef oldError = pthread_getspecific(key);
 286     if (oldError)
 287         CFRelease(oldError);
 288     if (newError)
 289         CFRetain(newError);
 290     pthread_setspecific(key, newError);
 291 }
 292
 293 CFErrorRef
 294 SecCopyLastError(OSStatus status)
 295 {
 296     pthread_key_t key;
 297     CFErrorRef error;
 298
 299     if (!getLastErrorKey(&key))
 300         return NULL;
 301
 302     error = pthread_getspecific(key);
 303     if (error) {
 304         if (status && status != SecErrorGetOSStatus(error)) {
 305             error = NULL;
 306         } else {
 307             CFRetain(error);
 308         }
 309     }
 310     return error;
 311 }
 312
 313 // Wrapper to provide a CFErrorRef for legacy API.
 314 OSStatus SecOSStatusWith(bool (^perform)(CFErrorRef *error)) {
 315     CFErrorRef error = NULL;
 316     OSStatus status;
 317     if (perform(&error)) {
 318         assert(error == NULL);
 319         SetLastError(NULL);
 320         status = errSecSuccess;
 321     } else {
 322         assert(error);
 323         SetLastError(error);
 324         status = SecErrorGetOSStatus(error);
 325         if (status != errSecItemNotFound)           // Occurs in normal operation, so exclude
 326             secinfo("OSStatus", "error:[%" PRIdOSStatus "] %@", status, error);
 327         CFReleaseNull(error);
 328     }
 329     return status;
 330 }
 331
 332 /* Drop assorted kSecAttrCanXxxx attributes from the query, because these attributes are generated
 333    by SecKey implementation and may differ between OS versions, see <rdar://problem/27095761>.
 334  */
 335
 336 static CFDictionaryRef
 337 AttributeCreateFilteredOutSecAttrs(CFDictionaryRef attributes)
 338 {
 339     CFMutableDictionaryRef filtered = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, attributes);
 340     if (filtered == NULL)
 341         return NULL;
 342     CFDictionaryRemoveValue(filtered, kSecAttrCanSign);
 343     CFDictionaryRemoveValue(filtered, kSecAttrCanVerify);
 344     CFDictionaryRemoveValue(filtered, kSecAttrCanEncrypt);
 345     CFDictionaryRemoveValue(filtered, kSecAttrCanDecrypt);
 346     CFDictionaryRemoveValue(filtered, kSecAttrCanDerive);
 347     CFDictionaryRemoveValue(filtered, kSecAttrCanWrap);
 348     CFDictionaryRemoveValue(filtered, kSecAttrCanUnwrap);
 349     CFDictionaryRemoveValue(filtered, kSecAttrCanSignRecover);
 350     CFDictionaryRemoveValue(filtered, kSecAttrCanVerifyRecover);
 351     CFDictionaryRemoveValue(filtered, kSecAttrIsPermanent);
 352
 353     return filtered;
 354 }
 355
 356
 357 /* IPC uses CFPropertyList to un/marshall input/output data and can handle:
 358    CFData, CFString, CFArray, CFDictionary, CFDate, CFBoolean, and CFNumber
 359
 360    Currently in need of conversion below:
 361    @@@ kSecValueRef allows SecKeychainItemRef and SecIdentityRef
 362    @@@ kSecUseItemList allows a query against a list of itemrefs, this isn't
 363        currently implemented at all, but when it is needs to short circuit to
 364            local evaluation, different from the sql query abilities
 365 */
 366
 367 static CFDictionaryRef
 368 SecItemCopyAttributeDictionary(CFTypeRef ref, bool forQuery) {
 369         CFDictionaryRef refDictionary = NULL;
 370         CFTypeID typeID = CFGetTypeID(ref);
 371         if (typeID == SecKeyGetTypeID()) {
 372                 refDictionary = SecKeyCopyAttributeDictionary((SecKeyRef)ref);
 373         if (refDictionary && forQuery) {
 374             CFDictionaryRef filtered = AttributeCreateFilteredOutSecAttrs(refDictionary);
 375             CFAssignRetained(refDictionary, filtered);
 376         }
 377         } else if (typeID == SecCertificateGetTypeID()) {
 378                 refDictionary = SecCertificateCopyAttributeDictionary((SecCertificateRef)ref);
 379         } else if (typeID == SecIdentityGetTypeID()) {
 380         assert(false);
 381         SecIdentityRef identity = (SecIdentityRef)ref;
 382         SecCertificateRef cert = NULL;
 383         SecKeyRef key = NULL;
 384         if (!SecIdentityCopyCertificate(identity, &cert) &&
 385             !SecIdentityCopyPrivateKey(identity, &key))
 386         {
 387             CFDataRef data = SecCertificateCopyData(cert);
 388             CFDictionaryRef key_dict = SecKeyCopyAttributeDictionary(key);
 389
 390             if (key_dict && data) {
 391                 refDictionary = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, key_dict);
 392                 CFDictionarySetValue((CFMutableDictionaryRef)refDictionary, kSecAttrIdentityCertificateData, data);
 393             }
 394             CFReleaseNull(key_dict);
 395             CFReleaseNull(data);
 396         }
 397         CFReleaseNull(cert);
 398         CFReleaseNull(key);
 399         }
 400         return refDictionary;
 401 }
 402
 403 #ifdef SECITEM_SHIM_OSX
 404 extern CFTypeRef SecItemCreateFromAttributeDictionary_osx(CFDictionaryRef refAttributes);
 405 #endif
 406
 407 static CFTypeRef
 408 SecItemCreateFromAttributeDictionary(CFDictionaryRef refAttributes) {
 409         CFTypeRef ref = NULL;
 410         CFStringRef class = CFDictionaryGetValue(refAttributes, kSecClass);
 411     if (CFEqual(class, kSecClassKey)) {
 412         ref = SecKeyCreateFromAttributeDictionary(refAttributes);
 413     } else if (CFEqual(class, kSecClassCertificate)) {
 414                 ref = SecCertificateCreateFromAttributeDictionary(refAttributes);
 415         } else if (CFEqual(class, kSecClassIdentity)) {
 416                 CFDataRef data = CFDictionaryGetValue(refAttributes, kSecAttrIdentityCertificateData);
 417                 SecCertificateRef cert = SecCertificateCreateWithData(kCFAllocatorDefault, data);
 418         SecKeyRef key = SecKeyCreateFromAttributeDictionary(refAttributes);
 419         if (key && cert) {
 420             ref = SecIdentityCreate(kCFAllocatorDefault, cert, key);
 421         }
 422         else {
 423             secerror("SecItem: failed to create identity");
 424         }
 425
 426         CFReleaseSafe(key);
 427                 CFReleaseSafe(cert);
 428 #ifdef SECITEM_SHIM_OSX
 429         } else {
 430         ref = SecItemCreateFromAttributeDictionary_osx(refAttributes);
 431 #endif
 432         }
 433         return ref;
 434 }
 435
 436 #if !TARGET_OS_OSX
 437 OSStatus
 438 SecItemCopyDisplayNames(CFArrayRef items, CFArrayRef *displayNames)
 439 {
 440     // @@@ TBI
 441     return -1 /* errSecUnimplemented */;
 442 }
 443 #endif // TARGET_OS_OSX
 444
 445 typedef OSStatus (*secitem_operation)(CFDictionaryRef attributes, CFTypeRef *result);
 446
 447 static bool explode_identity(CFDictionaryRef attributes, secitem_operation operation,
 448     OSStatus *return_status, CFTypeRef *return_result)
 449 {
 450     bool handled = false;
 451         CFTypeRef value = CFDictionaryGetValue(attributes, kSecValueRef);
 452     if (value) {
 453         CFTypeID typeID = CFGetTypeID(value);
 454         if (typeID == SecIdentityGetTypeID()) {
 455             handled = true;
 456             OSStatus status = errSecSuccess;
 457             SecIdentityRef identity = (SecIdentityRef)value;
 458             SecCertificateRef cert = NULL;
 459             SecKeyRef key = NULL;
 460             if (!SecIdentityCopyCertificate(identity, &cert) &&
 461                 !SecIdentityCopyPrivateKey(identity, &key))
 462             {
 463                 CFMutableDictionaryRef partial_query =
 464                     CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, attributes);
 465                 CFDictionarySetValue(partial_query, kSecValueRef, cert);
 466                 CFTypeRef result = NULL;
 467                 bool duplicate_cert = false;
 468                 /* an identity is first and foremost a key, but it can have multiple
 469                    certs associated with it: so we identify it by the cert */
 470                 status = operation(partial_query, return_result ? &result : NULL);
 471                 if ((operation == (secitem_operation)SecItemAdd) &&
 472                     (status == errSecDuplicateItem)) {
 473                         duplicate_cert = true;
 474                         status = errSecSuccess;
 475                 }
 476
 477                 if (!status || status == errSecItemNotFound) {
 478                                         bool skip_key_operation = false;
 479
 480                                         /* if the key is still in use, skip deleting it */
 481                                         if (operation == (secitem_operation)SecItemDelete) {
 482                                                 // find certs with cert.pkhh == keys.klbl
 483                                                 CFDictionaryRef key_dict = NULL, query_dict = NULL;
 484                                                 CFDataRef pkhh = NULL;
 485
 486                                                 key_dict = SecKeyCopyAttributeDictionary(key);
 487                                                 if (key_dict)
 488                                                         pkhh = (CFDataRef)CFDictionaryGetValue(key_dict, kSecAttrApplicationLabel);
 489                                                 const void *keys[] = { kSecClass, kSecAttrPublicKeyHash };
 490                                                 const void *vals[] = { kSecClassCertificate, pkhh };
 491                                                 if (pkhh)
 492                                                         query_dict = CFDictionaryCreate(NULL, keys,
 493                                                     vals, (array_size(keys)),
 494                                                                 NULL, NULL);
 495                                                 if (query_dict)
 496                                                         if (errSecSuccess == SecItemCopyMatching(query_dict, NULL))
 497                                                                 skip_key_operation = true;
 498                                                 CFReleaseSafe(query_dict);
 499                                                 CFReleaseSafe(key_dict);
 500                                         }
 501
 502                                         if (!skip_key_operation) {
 503                             /* now perform the operation for the key */
 504                             CFDictionarySetValue(partial_query, kSecValueRef, key);
 505                             CFDictionarySetValue(partial_query, kSecReturnPersistentRef, kCFBooleanFalse);
 506
 507                             status = operation(partial_query, NULL);
 508                             if ((operation == (secitem_operation)SecItemAdd) &&
 509                                 (status == errSecDuplicateItem) &&
 510                                 !duplicate_cert)
 511                                     status = errSecSuccess;
 512                                         }
 513
 514                     /* add and copy matching for an identityref have a persistent ref result */
 515                     if (result) {
 516                         if (!status) {
 517                             /* result is a persistent ref to a cert */
 518                             sqlite_int64 rowid;
 519                             CFDictionaryRef tokenAttrs = NULL;
 520                             if (_SecItemParsePersistentRef(result, NULL, &rowid, &tokenAttrs)) {
 521                                 *return_result = _SecItemCreatePersistentRef(kSecClassIdentity, rowid, tokenAttrs);
 522                             }
 523                             CFReleaseNull(tokenAttrs);
 524                         }
 525                         CFRelease(result);
 526                     }
 527                 }
 528                 CFReleaseNull(partial_query);
 529             }
 530             else
 531                 status = errSecInvalidItemRef;
 532
 533             CFReleaseNull(cert);
 534             CFReleaseNull(key);
 535             *return_status = status;
 536         }
 537     } else {
 538                 value = CFDictionaryGetValue(attributes, kSecClass);
 539                 if (value && CFEqual(kSecClassIdentity, value) &&
 540                         (operation == (secitem_operation)SecItemDelete)) {
 541                         CFMutableDictionaryRef dict = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, attributes);
 542                         CFDictionaryRemoveValue(dict, kSecClass);
 543                         CFDictionarySetValue(dict, kSecClass, kSecClassCertificate);
 544                         OSStatus status = SecItemDelete(dict);
 545                         if (!status) {
 546                                 CFDictionarySetValue(dict, kSecClass, kSecClassKey);
 547                                 status = SecItemDelete(dict);
 548                         }
 549                         CFRelease(dict);
 550                         *return_status = status;
 551             handled = true;
 552                 }
 553         }
 554     return handled;
 555 }
 556
 557 static bool
 558 SecErrorPropagateLastError(OSStatus status, CFErrorRef *error)
 559 {
 560     if (status) {
 561         CFErrorRef lastError = SecCopyLastError(status);
 562         if (lastError)
 563             CFErrorPropagate(lastError, error);
 564         else
 565             SecError(status, error, CFSTR("SecError: error not captured, OSStatus was: %d"), (int)status);
 566         return false;
 567     }
 568     return true;
 569 }
 570
 571 static bool
 572 handleUpdateIdentity(CFDictionaryRef query,
 573                      CFDictionaryRef update,
 574                      bool *result,
 575                      CFErrorRef *error)
 576 {
 577     CFMutableDictionaryRef updatedQuery = NULL;
 578     SecCertificateRef cert = NULL;
 579     SecKeyRef key = NULL;
 580     bool handled = false;
 581
 582     *result = false;
 583
 584     CFTypeRef value = CFDictionaryGetValue(query, kSecValueRef);
 585     if (value) {
 586         CFTypeID typeID = CFGetTypeID(value);
 587         if (typeID == SecIdentityGetTypeID()) {
 588             SecIdentityRef identity = (SecIdentityRef)value;
 589             OSStatus status;
 590
 591             handled = true;
 592
 593             status = SecIdentityCopyCertificate(identity, &cert);
 594             require_noerr_action_quiet(status, errOut, SecErrorPropagateLastError(status, error));
 595
 596             status = SecIdentityCopyPrivateKey(identity, &key);
 597             require_noerr_action_quiet(status, errOut, SecErrorPropagateLastError(status, error));
 598
 599             updatedQuery = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, query);
 600             require_action_quiet(updatedQuery, errOut, *result = false);
 601
 602             CFDictionarySetValue(updatedQuery, kSecValueRef, cert);
 603             require_quiet(SecItemUpdateWithError(updatedQuery, update, error), errOut);
 604
 605             CFDictionarySetValue(updatedQuery, kSecValueRef, key);
 606             require_quiet(SecItemUpdateWithError(updatedQuery, update, error), errOut);
 607
 608         }
 609     } else {
 610         value = CFDictionaryGetValue(query, kSecClass);
 611         if (value && CFEqual(kSecClassIdentity, value)) {
 612             handled = true;
 613
 614             updatedQuery = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, query);
 615             require_action_quiet(updatedQuery, errOut, *result = false);
 616
 617             CFDictionarySetValue(updatedQuery, kSecClass, kSecClassCertificate);
 618             require_quiet(SecItemUpdateWithError(updatedQuery, update, error), errOut);
 619
 620             CFDictionarySetValue(updatedQuery, kSecClass, kSecClassKey);
 621             require_quiet(SecItemUpdateWithError(updatedQuery, update, error), errOut);
 622
 623             CFReleaseNull(updatedQuery);
 624         }
 625     }
 626     *result = true;
 627 errOut:
 628     CFReleaseNull(updatedQuery);
 629     CFReleaseNull(cert);
 630     CFReleaseNull(key);
 631     return handled;
 632 }
 633
 634 static void infer_cert_label(SecCFDictionaryCOW *attributes)
 635 {
 636     if (!CFDictionaryContainsKey(attributes->dictionary, kSecAttrLabel)) {
 637         CFTypeRef value_ref = CFDictionaryGetValue(attributes->dictionary, kSecValueRef);
 638         if (value_ref && CFGetTypeID(value_ref) == SecCertificateGetTypeID()) {
 639             SecCertificateRef certificate = (SecCertificateRef)value_ref;
 640             CFStringRef label = SecCertificateCopySubjectSummary(certificate);
 641             if (label) {
 642                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attributes), kSecAttrLabel, label);
 643                 CFReleaseNull(label);
 644             }
 645         }
 646     }
 647 }
 648
 649 static CFDataRef CreateTokenPersistentRefData(CFTypeRef class, CFDictionaryRef attributes)
 650 {
 651     CFDataRef tokenPersistentRef = NULL;
 652     CFStringRef tokenId = CFDictionaryGetValue(attributes, kSecAttrTokenID);
 653     CFDictionaryRef itemValue = NULL;
 654     if (CFEqual(class, kSecClassIdentity)) {
 655         itemValue = SecTokenItemValueCopy(CFDictionaryGetValue(attributes, kSecAttrIdentityCertificateData), NULL);
 656     } else {
 657         itemValue = SecTokenItemValueCopy(CFDictionaryGetValue(attributes, kSecValueData), NULL);
 658     }
 659     require(itemValue, out);
 660     CFDataRef oid = CFDictionaryGetValue(itemValue, kSecTokenValueObjectIDKey);
 661     require(oid, out);
 662     CFArrayRef array = CFArrayCreateForCFTypes(kCFAllocatorDefault, class, tokenId, oid, NULL);
 663     tokenPersistentRef = CFPropertyListCreateDERData(kCFAllocatorDefault, array, NULL);
 664     CFRelease(array);
 665 out:
 666     CFReleaseNull(itemValue);
 667     return tokenPersistentRef;
 668 }
 669
 670 static const uint8_t tk_persistent_ref_id[] = {'t', 'k', 'p', 'r'};
 671 /* A persistent ref is just the class and the rowid of the record.
 672    Persistent ref for token items is a der blob with class, tokenID and objectId. */
 673 CFDataRef _SecItemCreatePersistentRef(CFTypeRef class, sqlite_int64 rowid, CFDictionaryRef attributes)
 674 {
 675     CFDataRef result = NULL;
 676     if (attributes && CFDictionaryContainsKey(attributes, CFEqual(class, kSecClassIdentity) ? kSecAttrIdentityCertificateTokenID : kSecAttrTokenID)) {
 677         CFDataRef tokenPersistentRef = CreateTokenPersistentRefData(class, attributes);
 678         require(tokenPersistentRef, out);
 679         CFMutableDataRef tmpData = CFDataCreateMutable(kCFAllocatorDefault, sizeof(tk_persistent_ref_id) + CFDataGetLength(tokenPersistentRef));
 680         CFDataAppendBytes(tmpData, tk_persistent_ref_id, sizeof(tk_persistent_ref_id));
 681         CFDataAppend(tmpData, tokenPersistentRef);
 682         CFReleaseNull(tokenPersistentRef);
 683         result = tmpData;
 684     } else {
 685         require(rowid >= 0, out);
 686         uint8_t bytes[sizeof(sqlite_int64) + 4];
 687         if (CFStringGetCString(class, (char *)bytes, 4 + 1 /*null-term*/,
 688             kCFStringEncodingUTF8))
 689         {
 690             OSWriteBigInt64(bytes + 4, 0, rowid);
 691             result = CFDataCreate(NULL, bytes, sizeof(bytes));
 692         }
 693     }
 694 out:
 695     return result;
 696 }
 697
 698 static Boolean isValidClass(CFStringRef class, CFStringRef *return_class) {
 699     const void *valid_classes[] = { kSecClassGenericPassword,
 700         kSecClassInternetPassword,
 701         kSecClassAppleSharePassword,
 702         kSecClassCertificate,
 703         kSecClassKey,
 704         kSecClassIdentity };
 705
 706     for (size_t i = 0; i < array_size(valid_classes); i++) {
 707         if (CFEqual(valid_classes[i], class)) {
 708             if (return_class)
 709                 *return_class = valid_classes[i];
 710             return true;
 711         }
 712     }
 713
 714     return false;
 715 }
 716
 717 static bool ParseTokenPersistentRefData(CFDataRef persistent_ref, CFStringRef *return_class, CFDictionaryRef *return_token_attrs) {
 718     bool valid_ref = false;
 719     CFPropertyListRef pl = NULL;
 720     const uint8_t *der = CFDataGetBytePtr(persistent_ref) + sizeof(tk_persistent_ref_id);
 721     const uint8_t *der_end = der + (CFDataGetLength(persistent_ref) - sizeof(tk_persistent_ref_id));
 722     require_quiet(der = der_decode_plist(0, kCFPropertyListImmutable, &pl, NULL, der, der_end), out);
 723     require_quiet(der == der_end, out);
 724     require_quiet(CFGetTypeID(pl) == CFArrayGetTypeID(), out);
 725     require_quiet(CFArrayGetCount(pl) == 3, out);
 726     require_quiet(valid_ref = isValidClass(CFArrayGetValueAtIndex(pl, 0), return_class), out);
 727     if (return_token_attrs) {
 728             *return_token_attrs = CFDictionaryCreateForCFTypes(kCFAllocatorDefault,
 729                                                                kSecAttrTokenID, CFArrayGetValueAtIndex(pl, 1),
 730                                                                kSecAttrTokenOID, CFArrayGetValueAtIndex(pl, 2), NULL);
 731     }
 732 out:
 733     CFReleaseNull(pl);
 734     return valid_ref;
 735 }
 736
 737 /* AUDIT[securityd](done):
 738    persistent_ref (ok) is a caller provided, non NULL CFTypeRef.
 739  */
 740 bool _SecItemParsePersistentRef(CFDataRef persistent_ref, CFStringRef *return_class, sqlite_int64 *return_rowid, CFDictionaryRef *return_token_attrs)
 741 {
 742         bool valid_ref = false;
 743     require(CFGetTypeID(persistent_ref) == CFDataGetTypeID(), out);
 744
 745     if (CFDataGetLength(persistent_ref) > (CFIndex)sizeof(tk_persistent_ref_id) &&
 746         memcmp(tk_persistent_ref_id, CFDataGetBytePtr(persistent_ref), sizeof(tk_persistent_ref_id)) == 0) {
 747         valid_ref = ParseTokenPersistentRefData(persistent_ref, return_class, return_token_attrs);
 748     } else if (CFDataGetLength(persistent_ref) == (CFIndex)(sizeof(sqlite_int64) + 4)) {
 749         const uint8_t *bytes = CFDataGetBytePtr(persistent_ref);
 750         sqlite_int64 rowid = OSReadBigInt64(bytes + 4, 0);
 751
 752         CFStringRef class = CFStringCreateWithBytes(kCFAllocatorDefault,
 753             bytes, CFStringGetLength(kSecClassGenericPassword),
 754             kCFStringEncodingUTF8, true);
 755
 756         if ((valid_ref = isValidClass(class, return_class))) {
 757             if (return_rowid)
 758                 *return_rowid = rowid;
 759         }
 760         CFRelease(class);
 761     }
 762 out:
 763     return valid_ref;
 764 }
 765
 766 static bool cf_bool_value(CFTypeRef cf_bool) {
 767         return cf_bool && CFBooleanGetValue(cf_bool);
 768 }
 769
 770 CFMutableDictionaryRef SecCFDictionaryCOWGetMutable(SecCFDictionaryCOW *cow_dictionary) {
 771     if (cow_dictionary->mutable_dictionary == NULL) {
 772         cow_dictionary->mutable_dictionary = CFDictionaryCreateMutableForCFTypes(NULL);
 773         if (cow_dictionary->dictionary != NULL) {
 774             CFDictionaryForEach(cow_dictionary->dictionary, ^(const void *key, const void *value) {
 775                 CFDictionarySetValue(cow_dictionary->mutable_dictionary, key, value);
 776             });
 777         }
 778         cow_dictionary->dictionary = cow_dictionary->mutable_dictionary;
 779     }
 780
 781     return cow_dictionary->mutable_dictionary;
 782 }
 783
 784 // Creates kSecValueData field stored in the DB for token-based items.  Data field consists of objectID, real
 785 // access_control and optionally of the data value.
 786 static CFDataRef SecTokenItemValueCreate(CFDataRef oid, CFDataRef access_control, CFDataRef object_value, CFErrorRef *error) {
 787     CFMutableDictionaryRef value = NULL;
 788     value = CFDictionaryCreateMutableForCFTypesWith(NULL,
 789                                                     kSecTokenValueObjectIDKey, oid,
 790                                                     kSecTokenValueAccessControlKey, access_control,
 791                                                     NULL);
 792     if (object_value != NULL) {
 793         CFDictionarySetValue(value, kSecTokenValueDataKey, object_value);
 794     }
 795
 796     CFDataRef value_data = CFPropertyListCreateDERData(NULL, value, error);
 797     CFRelease(value);
 798     return value_data;
 799 }
 800
 801 CFDictionaryRef SecTokenItemValueCopy(CFDataRef db_value, CFErrorRef *error) {
 802     CFPropertyListRef plist = NULL;
 803     const uint8_t *der = CFDataGetBytePtr(db_value);
 804     const uint8_t *der_end = der + CFDataGetLength(db_value);
 805     require_quiet(der = der_decode_plist(0, kCFPropertyListImmutable, &plist, error, der, der_end), out);
 806     require_action_quiet(der == der_end, out, SecError(errSecDecode, error, CFSTR("trailing garbage at end of token data field")));
 807     require_action_quiet(CFDictionaryGetValue(plist, kSecTokenValueObjectIDKey) != NULL, out,
 808                          SecError(errSecInternal, error, CFSTR("token based item data does not have OID")));
 809
 810 out:
 811     return plist;
 812 }
 813
 814 TKTokenRef SecTokenCreate(CFStringRef token_id, SecCFDictionaryCOW *auth_params, CFErrorRef *error) {
 815     CFMutableDictionaryRef token_attrs = NULL;
 816     TKTokenRef token = NULL;
 817
 818     static CFMutableDictionaryRef sharedLAContexts = NULL;
 819     static dispatch_once_t onceToken;
 820     static os_unfair_lock lock = OS_UNFAIR_LOCK_INIT;
 821     if ((auth_params->dictionary == NULL || CFDictionaryGetValue(auth_params->dictionary, kSecUseCredentialReference) == NULL) && !CFStringHasPrefix(token_id, kSecAttrTokenIDSecureEnclave)) {
 822         dispatch_once(&onceToken, ^{
 823             sharedLAContexts = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
 824         });
 825
 826         os_unfair_lock_lock(&lock);
 827         CFTypeRef ctx = CFDictionaryGetValue(sharedLAContexts, token_id);
 828         if (ctx == nil) {
 829             ctx = LACreateNewContextWithACMContext(NULL, error);
 830             if (!ctx) {
 831                 os_unfair_lock_unlock(&lock);
 832                 secerror("Failed to create authentication context %@", *error);
 833                 return token;
 834             }
 835             CFDictionarySetValue(sharedLAContexts, token_id, ctx);
 836             CFRelease(ctx);
 837             ctx = CFDictionaryGetValue(sharedLAContexts, token_id);
 838         }
 839
 840         CFDataRef credRef = NULL;
 841         if (ctx != nil) {
 842             credRef = LACopyACMContext(ctx, NULL);
 843         }
 844
 845         if (credRef) {
 846             CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseAuthenticationContext, ctx);
 847             CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseCredentialReference, credRef);
 848             CFRelease(credRef);
 849         }
 850         os_unfair_lock_unlock(&lock);
 851     }
 852
 853     token_attrs = (auth_params->dictionary != NULL) ?
 854         CFDictionaryCreateMutableCopy(NULL, 0, auth_params->dictionary) :
 855         CFDictionaryCreateMutableForCFTypes(NULL);
 856     CFDictionarySetValue(token_attrs, kSecAttrTokenID, token_id);
 857
 858     CFDictionaryRemoveValue(token_attrs, kSecUseAuthenticationContext);
 859     token = TKTokenCreate(token_attrs, error);
 860
 861     CFReleaseSafe(token_attrs);
 862     return token;
 863 }
 864
 865 static bool SecTokenItemCreateFromAttributes(CFDictionaryRef attributes, CFDictionaryRef auth_params_dict,
 866                                              TKTokenRef token, CFDataRef object_id, CFTypeRef *ref, CFErrorRef *error) {
 867     bool ok = false;
 868     SecCFDictionaryCOW auth_params = { auth_params_dict };
 869     CFMutableDictionaryRef attrs = CFDictionaryCreateMutableCopy(NULL, 0, attributes);
 870     CFTypeRef token_id = CFDictionaryGetValue(attributes, kSecAttrTokenID);
 871     if (token_id != NULL && object_id != NULL) {
 872         if (CFRetainSafe(token) == NULL) {
 873             require_quiet(token = SecTokenCreate(token_id, &auth_params, error), out);
 874         }
 875
 876         if (auth_params.dictionary != NULL) {
 877             CFDictionaryForEach(auth_params.dictionary, ^(const void *key, const void *value) {
 878                 CFDictionaryAddValue(attrs, key, value);
 879             });
 880         }
 881         CFDictionarySetValue(attrs, kSecUseToken, token);
 882         CFDictionarySetValue(attrs, kSecAttrTokenOID, object_id);
 883         CFRelease(token);
 884     }
 885     *ref = SecItemCreateFromAttributeDictionary(attrs);
 886     ok = true;
 887
 888 out:
 889     CFReleaseSafe(attrs);
 890     CFReleaseSafe(auth_params.mutable_dictionary);
 891     return ok;
 892 }
 893
 894
 895 /* Turn the returned single value or dictionary that contains all the attributes to create a
 896  ref into the exact result the client asked for */
 897 static bool SecItemResultCopyPrepared(CFTypeRef raw_result, TKTokenRef token,
 898                                       CFDictionaryRef query, CFDictionaryRef auth_params_dict,
 899                                       CFTypeRef *result, CFErrorRef *error) {
 900     bool ok = false;
 901     CFDataRef ac_data = NULL;
 902     CFDataRef value = NULL;
 903     CFTypeRef persistent_ref = NULL;
 904     CFStringRef token_id = NULL;
 905     CFStringRef cert_token_id = NULL;
 906     CFDataRef object_id = NULL;
 907     CFMutableDictionaryRef attrs = NULL;
 908     CFDataRef cert_data = NULL;
 909     CFDataRef cert_object_id = NULL;
 910     TKTokenRef cert_token = NULL;
 911     SecCFDictionaryCOW auth_params = { auth_params_dict };
 912
 913     bool wants_ref = cf_bool_value(CFDictionaryGetValue(query, kSecReturnRef));
 914     bool wants_data = cf_bool_value(CFDictionaryGetValue(query, kSecReturnData));
 915     bool wants_attributes = cf_bool_value(CFDictionaryGetValue(query, kSecReturnAttributes));
 916     bool wants_persistent_ref = cf_bool_value(CFDictionaryGetValue(query, kSecReturnPersistentRef));
 917
 918     // Get token value if not provided by the caller.
 919     bool token_item = false;
 920     bool cert_token_item = false;
 921     if (token == NULL) {
 922         if (CFGetTypeID(raw_result) == CFDictionaryGetTypeID()) {
 923             token_id = CFDictionaryGetValue(raw_result, kSecAttrTokenID);
 924             token_item = (token_id != NULL);
 925
 926             cert_token_id = CFDictionaryGetValue(raw_result, kSecAttrIdentityCertificateTokenID);
 927             cert_token_item = (cert_token_id != NULL);
 928         }
 929     } else {
 930         token_item = true;
 931         cert_token_item = true;
 932         CFRetain(token);
 933         CFRetainAssign(cert_token, token);
 934     }
 935
 936     if ((token_item || cert_token_item) && cf_bool_value(CFDictionaryGetValue(query, kSecUseTokenRawItems))) {
 937         token_item = false;
 938         cert_token_item = false;
 939     }
 940
 941     // Decode and prepare data value, if it is requested at the output, or if we want attributes from token.
 942     if (wants_data || wants_ref || (token_item && wants_attributes)) {
 943         if (CFGetTypeID(raw_result) == CFDictionaryGetTypeID())
 944             value = CFRetainSafe(CFDictionaryGetValue(raw_result, kSecValueData));
 945         else
 946             value = CFRetainSafe(raw_result);
 947         if (token_item && value != NULL) {
 948             // Parse token-based item's data field.
 949             CFDataRef object_value = NULL;
 950             CFDictionaryRef parsed_value = NULL;
 951             require_quiet(parsed_value = SecTokenItemValueCopy(value, error), out);
 952             object_id = CFRetainSafe(CFDictionaryGetValue(parsed_value, kSecTokenValueObjectIDKey));
 953             ac_data = CFRetainSafe(CFDictionaryGetValue(parsed_value, kSecTokenValueAccessControlKey));
 954             object_value = CFRetainSafe(CFDictionaryGetValue(parsed_value, kSecTokenValueDataKey));
 955             CFRelease(parsed_value);
 956             if ((wants_data || wants_ref) && object_value == NULL) {
 957                 // Retrieve value directly from the token.
 958                 if (token == NULL) {
 959                     require_quiet(token = SecTokenCreate(token_id, &auth_params, error), out);
 960                 }
 961                 require_quiet(object_value = TKTokenCopyObjectData(token, object_id, error), out);
 962                 if (CFEqual(object_value, kCFNull))
 963                     CFReleaseNull(object_value);
 964             }
 965             CFAssignRetained(value, object_value);
 966         }
 967
 968         // If only thing requested is data, return them directly.
 969         if (!(wants_attributes || wants_persistent_ref || wants_ref)) {
 970             *result = CFRetainSafe(value);
 971             ok = true;
 972             goto out;
 973         }
 974     }
 975
 976     // Extract persistent_ref, if caller wants it.
 977     if (wants_persistent_ref) {
 978         if (CFGetTypeID(raw_result) == CFDictionaryGetTypeID())
 979             persistent_ref = CFRetainSafe(CFDictionaryGetValue(raw_result, kSecValuePersistentRef));
 980         else
 981             persistent_ref = CFRetainSafe(raw_result);
 982
 983         // If only thing requested is persistentref, extract it from dictionary if needed and return it.
 984         if (!(wants_attributes || wants_data || wants_ref)) {
 985             *result = CFRetainSafe(persistent_ref);
 986             ok = true;
 987             goto out;
 988         }
 989     }
 990
 991     if (!wants_ref && !wants_attributes && (!wants_data || !wants_persistent_ref)) {
 992         *result = NULL;
 993         ok = true;
 994         goto out;
 995     }
 996
 997     // For other cases we need an output dictionary.
 998     if (CFGetTypeID(raw_result) == CFDictionaryGetTypeID())
 999         *result = CFDictionaryCreateMutableCopy(NULL, 0, raw_result);
1000     else
1001         *result = CFDictionaryCreateForCFTypes(NULL, NULL);
1002     CFMutableDictionaryRef output = (CFMutableDictionaryRef)*result;
1003
1004     if ((wants_data || wants_ref) && value != NULL)
1005         CFDictionarySetValue(output, kSecValueData, value);
1006     else
1007         CFDictionaryRemoveValue(output, kSecValueData);
1008
1009     if (wants_persistent_ref && persistent_ref != NULL)
1010         CFDictionarySetValue(output, kSecValuePersistentRef, persistent_ref);
1011     else
1012         CFDictionaryRemoveValue(output, kSecValuePersistentRef);
1013
1014     if ((wants_ref || wants_attributes) && cert_token_item &&
1015         CFEqualSafe(CFDictionaryGetValue(output, kSecClass), kSecClassIdentity)) {
1016         // Decode also certdata field of the identity.
1017         CFDataRef data = CFDictionaryGetValue(output, kSecAttrIdentityCertificateData);
1018         if (data != NULL) {
1019             CFDictionaryRef parsed_value;
1020             require_quiet(parsed_value = SecTokenItemValueCopy(data, error), out);
1021             cert_data = CFRetainSafe(CFDictionaryGetValue(parsed_value, kSecTokenValueDataKey));
1022             cert_object_id = CFRetainSafe(CFDictionaryGetValue(parsed_value, kSecTokenValueObjectIDKey));
1023             CFRelease(parsed_value);
1024             if (cert_data == NULL) {
1025                 // Retrieve value directly from the token.
1026                 if (cert_token == NULL) {
1027                     require_quiet(cert_token = SecTokenCreate(cert_token_id, &auth_params, error), out);
1028                 }
1029                 require_quiet(cert_data = TKTokenCopyObjectData(cert_token, cert_object_id, error), out);
1030                 if (CFEqual(cert_data, kCFNull))
1031                     CFReleaseNull(cert_data);
1032             }
1033             if (cert_data != NULL) {
1034                 CFDictionarySetValue(output, kSecAttrIdentityCertificateData, cert_data);
1035             } else {
1036                 CFDictionaryRemoveValue(output, kSecAttrIdentityCertificateData);
1037             }
1038         }
1039     }
1040
1041     if (wants_ref || wants_attributes) {
1042         // Convert serialized form of access control to object form.
1043         if (!token_item) {
1044             CFRetainAssign(ac_data, CFDictionaryGetValue(output, kSecAttrAccessControl));
1045         }
1046
1047         if (ac_data != NULL) {
1048             SecAccessControlRef ac;
1049             require_quiet(ac = SecAccessControlCreateFromData(kCFAllocatorDefault, ac_data, error), out);
1050             CFDictionarySetValue(output, kSecAttrAccessControl, ac);
1051             CFRelease(ac);
1052         }
1053     }
1054
1055     if (wants_ref) {
1056         CFTypeRef ref;
1057         require_quiet(SecTokenItemCreateFromAttributes(output, auth_params.dictionary, token, object_id, &ref, error), out);
1058         if (!(wants_attributes || wants_data || wants_persistent_ref)) {
1059             CFAssignRetained(*result, ref);
1060         } else if (ref != NULL) {
1061             CFDictionarySetValue(output, kSecValueRef, ref);
1062             CFRelease(ref);
1063             if (!wants_data) {
1064                 // We could have stored data value previously to make ref creation succeed.
1065                 // They are not needed any more and in case that caller did not want the data, avoid returning them.
1066                 CFDictionaryRemoveValue(output, kSecValueData);
1067             }
1068         }
1069     }
1070
1071     ok = true;
1072
1073 out:
1074     CFReleaseSafe(cert_object_id);
1075     CFReleaseSafe(cert_data);
1076     CFReleaseSafe(ac_data);
1077     CFReleaseSafe(value);
1078     CFReleaseSafe(persistent_ref);
1079     CFReleaseSafe(object_id);
1080     CFReleaseSafe(attrs);
1081     CFReleaseSafe(token);
1082     CFReleaseSafe(cert_token);
1083     CFReleaseSafe(auth_params.mutable_dictionary);
1084     return ok;
1085 }
1086
1087 bool SecItemResultProcess(CFDictionaryRef query, CFDictionaryRef auth_params, TKTokenRef token,
1088                                  CFTypeRef raw_result, CFTypeRef *result, CFErrorRef *error) {
1089     bool ok = false;
1090     require_action_quiet(raw_result != NULL, out, ok = true);
1091     require_action_quiet(result != NULL, out, ok = true);
1092
1093     if (CFGetTypeID(raw_result) == CFArrayGetTypeID()) {
1094         CFIndex i, count = CFArrayGetCount(raw_result);
1095         *result = CFArrayCreateMutableForCFTypes(NULL);
1096         for (i = 0; i < count; i++) {
1097             CFTypeRef ref;
1098             require_quiet(SecItemResultCopyPrepared(CFArrayGetValueAtIndex(raw_result, i),
1099                                                     token, query, auth_params, &ref, error), out);
1100             if (ref != NULL) {
1101                 CFArrayAppendValue((CFMutableArrayRef)*result, ref);
1102                 CFRelease(ref);
1103             }
1104         }
1105     } else {
1106         require_quiet(SecItemResultCopyPrepared(raw_result, token, query, auth_params, result, error), out);
1107     }
1108
1109     ok = true;
1110
1111 out:
1112     return ok;
1113 }
1114
1115 CFDataRef SecItemAttributesCopyPreparedAuthContext(CFTypeRef la_context, CFErrorRef *error) {
1116     void *la_lib = NULL;
1117     CFDataRef acm_context = NULL;
1118     require_action_quiet(la_lib = dlopen("/System/Library/Frameworks/LocalAuthentication.framework/LocalAuthentication", RTLD_LAZY), out,
1119                          SecError(errSecInternal, error, CFSTR("failed to open LocalAuthentication.framework")));
1120     LAFunctionCopyExternalizedContext fnCopyExternalizedContext = NULL;
1121     require_action_quiet(fnCopyExternalizedContext = dlsym(la_lib, "LACopyExternalizedContext"), out,
1122                          SecError(errSecInternal, error, CFSTR("failed to obtain LACopyExternalizedContext")));
1123     require_action_quiet(acm_context = fnCopyExternalizedContext(la_context), out,
1124                          SecError(errSecInternal, error, CFSTR("failed to get ACM handle from LAContext")));
1125 out:
1126     if (la_lib != NULL) {
1127         dlclose(la_lib);
1128     }
1129     return acm_context;
1130 }
1131
1132 static bool SecItemAttributesPrepare(SecCFDictionaryCOW *attrs, bool forQuery, CFErrorRef *error) {
1133     bool ok = false;
1134     CFDataRef ac_data = NULL, acm_context = NULL;
1135     void *la_lib = NULL;
1136
1137     // If a ref was specified we get its attribute dictionary and parse it.
1138     CFTypeRef value = CFDictionaryGetValue(attrs->dictionary, kSecValueRef);
1139     if (value) {
1140         CFDictionaryRef ref_attributes;
1141         require_action_quiet(ref_attributes = SecItemCopyAttributeDictionary(value, forQuery), out,
1142                              SecError(errSecValueRefUnsupported, error, CFSTR("unsupported kSecValueRef in query")));
1143
1144         // Replace any attributes we already got from the ref with the ones from the attributes dictionary the caller passed us.
1145         // This allows a caller to add an item using attributes from the ref and still override some of them in the dictionary directly.
1146         CFDictionaryForEach(ref_attributes, ^(const void *key, const void *value) {
1147             // Attributes already present in 'attrs' have precedence over the generic ones retrieved from the ref,
1148             // so add only those attributes from 'ref' which are missing in attrs.
1149             CFDictionaryAddValue(SecCFDictionaryCOWGetMutable(attrs), key, value);
1150         });
1151         CFRelease(ref_attributes);
1152
1153         if (forQuery) {
1154             CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(attrs), kSecAttrTokenOID);
1155         }
1156
1157         // Remove original expanded valueRef. Do not remove it in case when adding token item, because it is needed later to avoid
1158         // another roundtrip to token driver.
1159         if (forQuery || !CFDictionaryContainsKey(attrs->dictionary, kSecAttrTokenID)) {
1160             CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(attrs), kSecValueRef);
1161         }
1162     }
1163
1164     SecAccessControlRef access_control = (SecAccessControlRef)CFDictionaryGetValue(attrs->dictionary, kSecAttrAccessControl);
1165     if (access_control != NULL) {
1166         require_quiet(ac_data = SecAccessControlCopyData(access_control), out);
1167         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attrs), kSecAttrAccessControl, ac_data);
1168     }
1169
1170     const CFTypeRef la_context = CFDictionaryGetValue(attrs->dictionary, kSecUseAuthenticationContext);
1171     if (la_context) {
1172         require_action_quiet(!CFDictionaryContainsKey(attrs->dictionary, kSecUseCredentialReference), out,
1173                              SecError(errSecParam, error, CFSTR("kSecUseAuthenticationContext cannot be used together with kSecUseCredentialReference")));
1174         require_quiet(acm_context = SecItemAttributesCopyPreparedAuthContext(la_context, error), out);
1175         CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(attrs), kSecUseAuthenticationContext);
1176         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attrs), kSecUseCredentialReference, acm_context);
1177     }
1178
1179     CFTypeRef policy = CFDictionaryGetValue(attrs->dictionary, kSecMatchPolicy);
1180     if (policy) {
1181         require_action_quiet(CFGetTypeID(policy) == SecPolicyGetTypeID(), out,
1182                              SecError(errSecParam, error, CFSTR("unsupported kSecMatchPolicy in query")));
1183
1184         CFTypeRef values[] = { policy };
1185         CFArrayRef policiesArray = CFArrayCreate(kCFAllocatorDefault, values, 1, &kCFTypeArrayCallBacks);
1186         xpc_object_t policiesArrayXPC = SecPolicyArrayCopyXPCArray(policiesArray, error);
1187         CFReleaseSafe(policiesArray);
1188         require_action_quiet(policiesArrayXPC, out,
1189                              SecError(errSecInternal, error, CFSTR("Failed to copy XPC policy")));
1190
1191         CFTypeRef objectReadyForXPC = _CFXPCCreateCFObjectFromXPCObject(policiesArrayXPC);
1192         xpc_release(policiesArrayXPC);
1193         require_action_quiet(objectReadyForXPC, out,
1194                              SecError(errSecInternal, error, CFSTR("Failed to create CFObject from XPC policy")));
1195
1196         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attrs), kSecMatchPolicy, objectReadyForXPC);
1197         CFRelease(objectReadyForXPC);
1198     }
1199     value = CFDictionaryGetValue(attrs->dictionary, kSecAttrIssuer);
1200     if (value) {
1201         /* convert DN to canonical issuer, if value is DN (top level sequence) */
1202         const DERItem name = { (unsigned char *)CFDataGetBytePtr(value), CFDataGetLength(value) };
1203         DERDecodedInfo content;
1204         if (DERDecodeItem(&name, &content) == DR_Success && content.tag == ASN1_CONSTR_SEQUENCE) {
1205             CFDataRef canonical_issuer = createNormalizedX501Name(kCFAllocatorDefault, &content.content);
1206             if (canonical_issuer) {
1207                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attrs), kSecAttrIssuer, canonical_issuer);
1208                 CFRelease(canonical_issuer);
1209             }
1210         }
1211     }
1212
1213     if (CFDictionaryContainsKey(attrs->dictionary, kSecUseTokenRawItems)) {
1214         // This use flag is client-only, securityd does not understand it.
1215         CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(attrs), kSecUseTokenRawItems);
1216     }
1217
1218     ok = true;
1219
1220 out:
1221     if (la_lib != NULL) {
1222         dlclose(la_lib);
1223     }
1224     CFReleaseSafe(ac_data);
1225     CFReleaseSafe(acm_context);
1226     return ok;
1227 }
1228
1229 static bool SecItemAuthMaxAttemptsReached(CFArrayRef ac_pairs, CFErrorRef *error)
1230 {
1231     CFMutableStringRef log_string = CFStringCreateMutable(kCFAllocatorDefault, 0);
1232     CFArrayRef ac_pair;
1233     CFArrayForEachC(ac_pairs, ac_pair) {
1234         CFStringRef acl_hex_string = CFDataCopyHexString(CFArrayGetValueAtIndex(ac_pair, 0));
1235         CFStringRef str = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("operation: %@ acl:%@\n"), CFArrayGetValueAtIndex(ac_pair, 1), acl_hex_string);
1236         CFStringAppend(log_string, str);
1237         CFRelease(acl_hex_string);
1238         CFRelease(str);
1239     }
1240
1241     CFStringRef reason = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("Reached maximum count of authentication attempts\n %@"), log_string);
1242     SecError(errSecAuthFailed, error, CFSTR("%@"), reason);
1243     __security_simulatecrash(reason, __sec_exception_code_AuthLoop);
1244     CFRelease(reason);
1245     CFRelease(log_string);
1246     return false;
1247 }
1248
1249 bool SecItemAuthDo(SecCFDictionaryCOW *auth_params, CFErrorRef *error, SecItemAuthResult (^perform)(CFArrayRef *ac_pairs, CFErrorRef *error),
1250                    void (^newCredentialRefAdded)(void)) {
1251     bool ok = false;
1252     CFArrayRef ac_pairs = NULL;
1253     SecCFDictionaryCOW auth_options = { NULL };
1254
1255     for (uint32_t i = 0;; ++i) {
1256         // If the operation succeeded or failed with other than auth-needed error, just leave.
1257         SecItemAuthResult auth_result = perform(&ac_pairs, error);
1258         require_quiet(auth_result != kSecItemAuthResultError, out);
1259         require_action_quiet(auth_result == kSecItemAuthResultNeedAuth, out, ok = true);
1260
1261         // If auth_params were not created up to now, do create them because we will definitely need them.
1262         SecCFDictionaryCOWGetMutable(auth_params);
1263
1264         // Retrieve or create authentication handle and/or ACM context.
1265         CFTypeRef auth_handle = CFDictionaryGetValue(auth_params->dictionary, kSecUseAuthenticationContext);
1266         if (auth_handle == NULL) {
1267             CFDataRef acm_context = CFDictionaryGetValue(auth_params->dictionary, kSecUseCredentialReference);
1268             require_quiet(auth_handle = LACreateNewContextWithACMContext(acm_context, error), out);
1269             CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseAuthenticationContext, auth_handle);
1270             CFRelease(auth_handle);
1271             if (acm_context == NULL) {
1272                 require_quiet(acm_context = LACopyACMContext(auth_handle, error), out);
1273                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseCredentialReference, acm_context);
1274                 CFRelease(acm_context);
1275                 if (newCredentialRefAdded) {
1276                     newCredentialRefAdded();
1277                 }
1278             }
1279         }
1280
1281         // Throttle max authentication attempts.  This is mainly protection against exceptional states, not ordinary
1282         // user retry limit.
1283         require_action(i < 20, out, SecItemAuthMaxAttemptsReached(ac_pairs, error));
1284
1285         // Prepare auth options dictionary.
1286         if (auth_options.dictionary == NULL) {
1287             CFStringRef operation_prompt = CFDictionaryGetValue(auth_params->dictionary, kSecUseOperationPrompt);
1288             if (operation_prompt != NULL) {
1289                 CFNumberRef key = CFNumberCreateWithCFIndex(NULL, kLAOptionAuthenticationReason);
1290                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(&auth_options), key, operation_prompt);
1291                 CFRelease(key);
1292             }
1293
1294             CFStringRef caller_name = CFDictionaryGetValue(auth_params->dictionary, kSecUseCallerName);
1295             if (caller_name != NULL) {
1296                 CFNumberRef key = CFNumberCreateWithCFIndex(NULL, kLAOptionCallerName);
1297                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(&auth_options), key, caller_name);
1298                 CFRelease(key);
1299             }
1300
1301             CFTypeRef auth_ui = CFDictionaryGetValue(auth_params->dictionary, kSecUseAuthenticationUI);
1302             if (CFEqualSafe(auth_ui, kSecUseAuthenticationUIFail)) {
1303                 CFNumberRef key = CFNumberCreateWithCFIndex(NULL, kLAOptionNotInteractive);
1304                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(&auth_options), key, kCFBooleanTrue);
1305                 CFRelease(key);
1306             }
1307         }
1308
1309         // Go through all access_control-operation pairs and evaluate them.
1310         CFArrayRef ac_pair;
1311         CFArrayForEachC(ac_pairs, ac_pair) {
1312             CFDataRef updated_acl = NULL;
1313             require_quiet(LAEvaluateAndUpdateACL(auth_handle,
1314                                                  CFArrayGetValueAtIndex(ac_pair, 0), CFArrayGetValueAtIndex(ac_pair, 1),
1315                                                  auth_options.dictionary, &updated_acl, error), out);
1316
1317             if (updated_acl || CFEqual(CFArrayGetValueAtIndex(ac_pair, 1), CFSTR(""))) {
1318                 // we assume that only one ACL can be modified during ItemAdd or ItemUpdate
1319                 SecAccessControlRef ac = NULL;
1320                 require(ac = SecAccessControlCreateFromData(kCFAllocatorDefault,
1321                                                             updated_acl ? updated_acl : CFArrayGetValueAtIndex(ac_pair, 0), error), out);
1322                 SecAccessControlSetBound(ac, true);
1323                 CFAssignRetained(updated_acl, SecAccessControlCopyData(ac));
1324                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecAttrAccessControl, updated_acl);
1325                 CFRelease(updated_acl);
1326                 CFRelease(ac);
1327             }
1328         }
1329     }
1330
1331     ok = true;
1332
1333 out:
1334     CFReleaseSafe(auth_options.mutable_dictionary);
1335     CFReleaseSafe(ac_pairs);
1336     return ok;
1337 }
1338
1339 void SecItemAuthCopyParams(SecCFDictionaryCOW *auth_params, SecCFDictionaryCOW *query) {
1340     // Store operation prompt.
1341     CFStringRef operation_prompt = CFDictionaryGetValue(query->dictionary, kSecUseOperationPrompt);
1342     if (operation_prompt != NULL) {
1343         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseOperationPrompt, operation_prompt);
1344         CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(query), kSecUseOperationPrompt);
1345     }
1346
1347     // Store caller name.
1348     CFStringRef caller_name = CFDictionaryGetValue(query->dictionary, kSecUseCallerName);
1349     if (caller_name != NULL) {
1350         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseCallerName, caller_name);
1351         CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(query), kSecUseCallerName);
1352     }
1353
1354     // Find out whether we are allowed to pop up a UI.
1355     CFTypeRef auth_ui = CFDictionaryGetValue(query->dictionary, kSecUseAuthenticationUI) ?:
1356     (CFEqualSafe(CFDictionaryGetValue(query->dictionary, kSecUseNoAuthenticationUI), kCFBooleanTrue) ?
1357      kSecUseAuthenticationUIFail : kSecUseAuthenticationUIAllow);
1358     if (!CFEqual(auth_ui, kSecUseAuthenticationUISkip) || CFDictionaryGetValue(query->dictionary, kSecUseNoAuthenticationUI)) {
1359         if (CFDictionaryContainsKey(query->dictionary, kSecUseNoAuthenticationUI))
1360             CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(query), kSecUseNoAuthenticationUI);
1361         if (!CFEqualSafe(auth_ui, kSecUseAuthenticationUISkip) && CFDictionaryContainsKey(query->dictionary, kSecUseAuthenticationUI))
1362             CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(query), kSecUseAuthenticationUI);
1363     }
1364
1365     if (!CFEqual(auth_ui, kSecUseAuthenticationUIAllow)) {
1366         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseAuthenticationUI, auth_ui);
1367     }
1368
1369     CFDataRef acm_context = CFDictionaryGetValue(query->dictionary, kSecUseCredentialReference);
1370     if (acm_context != NULL) {
1371         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseCredentialReference, acm_context);
1372     }
1373 }
1374
1375 static SecItemAuthResult SecItemCreatePairsFromError(CFErrorRef *error, CFArrayRef *ac_pairs)
1376 {
1377     if (error && *error && CFErrorGetCode(*error) == errSecAuthNeeded && CFEqualSafe(CFErrorGetDomain(*error), kSecErrorDomain)) {
1378         // Extract ACLs to be verified from the error.
1379         CFDictionaryRef user_info = CFErrorCopyUserInfo(*error);
1380         CFNumberRef key = CFNumberCreateWithCFIndex(NULL, errSecAuthNeeded);
1381         CFRetainAssign(*ac_pairs, CFDictionaryGetValue(user_info, key));
1382         if (*ac_pairs == NULL)
1383             CFAssignRetained(*ac_pairs, CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks));
1384
1385         CFRelease(key);
1386         CFRelease(user_info);
1387         CFReleaseNull(*error);
1388         return kSecItemAuthResultNeedAuth;
1389     }
1390     return kSecItemAuthResultError;
1391 }
1392
1393 // Wrapper to handle automatic authentication and token/secd case switching.
1394 bool SecItemAuthDoQuery(SecCFDictionaryCOW *query, SecCFDictionaryCOW *attributes, const void *secItemOperation, CFErrorRef *error,
1395                                    bool (^perform)(TKTokenRef token, CFDictionaryRef query, CFDictionaryRef attributes, CFDictionaryRef auth_params, CFErrorRef *error)) {
1396     bool ok = false;
1397     __block SecCFDictionaryCOW auth_params = { NULL };
1398     SecAccessControlRef access_control = NULL;
1399     __block TKTokenRef token = NULL;
1400
1401     if (secItemOperation == SecItemAdd || secItemOperation == SecItemUpdate) {
1402         CFDictionaryRef dict = attributes ? attributes->dictionary : query->dictionary;
1403         access_control = (SecAccessControlRef)CFDictionaryGetValue(dict, kSecAttrAccessControl);
1404         if (access_control && SecAccessControlGetConstraints(access_control) &&
1405             CFEqualSafe(CFDictionaryGetValue(dict, kSecAttrSynchronizable), kCFBooleanTrue))
1406             require_quiet(SecError(errSecParam, error, CFSTR("item with kSecAttrAccessControl is not synchronizable")), out);
1407     }
1408
1409     // Perform initial surgery on query/attributes (resolve LAContext to serialized ACM handle, resolve
1410     // SecAccessControlRef to serialized forms, expand kSecValueRef etc.)
1411     bool forQuery =
1412         secItemOperation == SecItemCopyMatching ||
1413         secItemOperation == SecItemUpdate ||
1414         secItemOperation == SecItemDelete;
1415
1416     require_quiet(SecItemAttributesPrepare(query, forQuery, error), out);
1417     if (attributes != NULL)
1418         require_quiet(SecItemAttributesPrepare(attributes, false, error), out);
1419
1420     // Populate auth_params dictionary according to initial query contents.
1421     SecItemAuthCopyParams(&auth_params, query);
1422
1423     if (secItemOperation != SecItemCopyMatching) {
1424         // UISkip is allowed only for CopyMatching.
1425         require_action_quiet(!CFEqualSafe(CFDictionaryGetValue(query->dictionary, kSecUseAuthenticationUI), kSecUseAuthenticationUISkip), out,
1426                              SecError(errSecParam, error,
1427                                       CFSTR("kSecUseAuthenticationUISkip is allowed only for SecItemCopyMatching")));
1428     }
1429
1430     ok = SecItemAuthDo(&auth_params, error, ^SecItemAuthResult(CFArrayRef *ac_pairs, CFErrorRef *error) {
1431         SecItemAuthResult result = kSecItemAuthResultError;
1432
1433         // Propagate actual credential reference to the query.
1434         if (auth_params.dictionary != NULL) {
1435             CFDataRef acm_context = CFDictionaryGetValue(auth_params.dictionary, kSecUseCredentialReference);
1436             if (acm_context != NULL) {
1437                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(query), kSecUseCredentialReference, acm_context);
1438             }
1439
1440             CFDataRef acl_data_ref = CFDictionaryGetValue(auth_params.dictionary, kSecAttrAccessControl);
1441             if (acl_data_ref != NULL) {
1442                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attributes ?: query), kSecAttrAccessControl, acl_data_ref);
1443             }
1444         }
1445
1446         // Prepare connection to target token if it is present.
1447         CFStringRef token_id = CFDictionaryGetValue(query->dictionary, kSecAttrTokenID);
1448         if (secItemOperation != SecItemCopyMatching && token_id != NULL) {
1449             require_quiet(CFAssignRetained(token, SecTokenCreate(token_id, &auth_params, error)), out);
1450         }
1451
1452         CFDictionaryRef attrs = (attributes != NULL) ? attributes->dictionary : NULL;
1453         if(!perform(token, query->dictionary, attrs, auth_params.dictionary, error)) {
1454             require_quiet((result = SecItemCreatePairsFromError(error, ac_pairs)) == kSecItemAuthResultOK, out);
1455         }
1456
1457         result = kSecItemAuthResultOK;
1458
1459     out:
1460         return result;
1461     }, NULL);
1462     require_quiet(ok, out);
1463
1464     ok = true;
1465
1466 out:
1467     CFReleaseSafe(token);
1468     CFReleaseSafe(auth_params.mutable_dictionary);
1469     return ok;
1470 }
1471
1472 static bool cftype_to_bool_cftype_error_request(enum SecXPCOperation op, CFTypeRef attributes, CFTypeRef *result, CFErrorRef *error)
1473 {
1474     return securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
1475         return SecXPCDictionarySetPList(message, kSecXPCKeyQuery, attributes, error);
1476     }, ^bool(xpc_object_t response, CFErrorRef *error) {
1477         if (result) {
1478             return SecXPCDictionaryCopyPListOptional(response, kSecXPCKeyResult, result, error);
1479         }
1480         return true;
1481     });
1482 }
1483
1484 static CFArrayRef dict_to_array_error_request(enum SecXPCOperation op, CFDictionaryRef attributes, CFErrorRef *error)
1485 {
1486     CFArrayRef result = NULL;
1487     bool success = cftype_to_bool_cftype_error_request(op, attributes, (CFTypeRef*)&result, error);
1488     if(success && !isArray(result)){
1489         SecError(errSecUnimplemented, error, CFSTR("Unexpected nonarray returned: %@"), result);
1490         CFReleaseNull(result);
1491     }
1492     return result;
1493 }
1494
1495 bool cftype_client_to_bool_cftype_error_request(enum SecXPCOperation op, CFTypeRef attributes, __unused SecurityClient *client, CFTypeRef *result, CFErrorRef *error) {
1496     return cftype_to_bool_cftype_error_request(op, attributes, result, error);
1497 }
1498
1499 static bool dict_to_error_request(enum SecXPCOperation op, CFDictionaryRef query, CFErrorRef *error)
1500 {
1501     return securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
1502         return SecXPCDictionarySetPList(message, kSecXPCKeyQuery, query, error);
1503     }, NULL);
1504 }
1505
1506 static bool cfstring_array_to_error_request(enum SecXPCOperation op, CFStringRef string, CFArrayRef attributes, __unused SecurityClient *client, CFErrorRef *error)
1507 {
1508     return securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
1509         if (string) {
1510             if (!SecXPCDictionarySetString(message, kSecXPCKeyString, string, error))
1511                 return false;
1512         }
1513
1514         if (attributes) {
1515             if (!SecXPCDictionarySetPList(message, kSecXPCKeyQuery, attributes, error))
1516                 return false;
1517         }
1518
1519         return true;
1520     }, NULL);
1521 }
1522
1523 static bool dict_client_to_error_request(enum SecXPCOperation op, CFDictionaryRef query, __unused SecurityClient *client, CFErrorRef *error)
1524 {
1525     return dict_to_error_request(op, query, error);
1526 }
1527
1528 static bool SecTokenCreateAccessControlError(CFStringRef operation, CFDataRef access_control, CFErrorRef *error) {
1529     CFArrayRef ac_pair = CFArrayCreateForCFTypes(NULL, access_control, operation, NULL);
1530     const void *ac_pairs[] = { CFArrayCreateForCFTypes(NULL, ac_pair, NULL) };
1531     const void *keys[] = { CFNumberCreateWithCFIndex(NULL, errSecAuthNeeded) };
1532     CFAssignRetained(*error, CFErrorCreateWithUserInfoKeysAndValues(NULL, kSecErrorDomain, errSecAuthNeeded,
1533                                                                     keys, ac_pairs, 1));
1534     CFRelease(keys[0]);
1535     CFRelease(ac_pairs[0]);
1536     CFRelease(ac_pair);
1537     return false;
1538 }
1539
1540 static bool SecTokenProcessError(CFStringRef operation, TKTokenRef token, CFTypeRef object_or_attrs, CFErrorRef *error) {
1541     if (CFEqualSafe(CFErrorGetDomain(*error), CFSTR(kTKErrorDomain)) &&
1542         CFErrorGetCode(*error) == kTKErrorCodeAuthenticationFailed) {
1543         // Replace error with the one which is augmented with access control and operation which failed,
1544         // which will cause SecItemDoWithAuth to throw UI.
1545         // Create array containing tuple (array) with error and requested operation.
1546         CFDataRef access_control = TKTokenCopyObjectAccessControl(token, object_or_attrs, error);
1547         if (access_control != NULL) {
1548             SecTokenCreateAccessControlError(operation, access_control, error);
1549             CFRelease(access_control);
1550         }
1551     }
1552     return false;
1553 }
1554
1555 static CFTypeRef SecTokenCopyUpdatedObjectID(TKTokenRef token, CFDataRef object_id, CFMutableDictionaryRef attributes, CFErrorRef *error) {
1556     CFDataRef access_control = NULL, db_value = NULL, new_object_id = NULL;
1557     SecAccessControlRef ac = NULL;
1558     CFDictionaryRef old_attrs = NULL;
1559
1560     // Make sure that ACL is bound - if not, generate an error which will trigger binding.
1561     CFDataRef ac_data = CFDictionaryGetValue(attributes, kSecAttrAccessControl);
1562     if (ac_data != NULL) {
1563         require_quiet(ac = SecAccessControlCreateFromData(NULL, ac_data, error), out);
1564         require_action_quiet(SecAccessControlIsBound(ac), out,
1565                              SecTokenCreateAccessControlError(CFSTR(""), ac_data, error));
1566     }
1567
1568     // Create or update the object on the token.
1569     old_attrs = CFDictionaryCreateCopy(kCFAllocatorDefault, attributes);
1570     require_action_quiet(new_object_id = TKTokenCreateOrUpdateObject(token, object_id, attributes, error), out,
1571                          SecTokenProcessError(kAKSKeyOpEncrypt, token, object_id ?: (CFTypeRef)attributes, error));
1572     CFDictionaryForEach(old_attrs, ^(const void *key, const void *value) {
1573         if (!CFEqual(key, kSecValueData)) {
1574             CFDictionaryAddValue(attributes, key, value);
1575         }
1576     });
1577
1578     // Prepare kSecValueData field for the item to be stored into the keychain DB.
1579     require_quiet(access_control = TKTokenCopyObjectAccessControl(token, new_object_id, error), out);
1580     require_quiet(db_value = SecTokenItemValueCreate(new_object_id, access_control,
1581                                                      CFDictionaryGetValue(attributes, kSecValueData), error), out);
1582     CFDictionarySetValue(attributes, kSecValueData, db_value);
1583
1584     // kSecAttrAccessControl is handled directly by the token and stored inside data field.
1585     CFDictionaryRemoveValue(attributes, kSecAttrAccessControl);
1586
1587 out:
1588     CFReleaseSafe(ac);
1589     CFReleaseSafe(access_control);
1590     CFReleaseSafe(db_value);
1591     CFReleaseSafe(old_attrs);
1592     return new_object_id;
1593 }
1594
1595 static bool SecTokenItemAdd(TKTokenRef token, CFDictionaryRef attributes, CFDictionaryRef auth_params,
1596                             CFTypeRef *result, CFErrorRef *error) {
1597     bool ok = false;
1598     CFTypeRef object_id = NULL, ref = NULL;
1599     CFDictionaryRef ref_attrs = NULL;
1600     CFTypeRef db_result = NULL;
1601     CFDataRef db_value = NULL;
1602     CFMutableDictionaryRef attrs = CFDictionaryCreateMutableCopy(NULL, 0, attributes);
1603
1604     CFDictionarySetValue(attrs, kSecAttrAccessible, kSecAttrAccessibleAlwaysPrivate);     //token items should be accesible always because have own ACL encoded in OID
1605     object_id = CFRetainSafe(CFDictionaryGetValue(attrs, kSecAttrTokenOID));
1606     CFDictionaryRemoveValue(attrs, kSecAttrTokenOID);
1607     require_quiet(CFAssignRetained(object_id, SecTokenCopyUpdatedObjectID(token, object_id, attrs, error)), out);
1608     if (CFDictionaryContainsKey(attrs, kSecValueRef)) {
1609         // All attributes already had been extracted from valueRef, so do not go through that step again, just remove
1610         // the ref from the dictionary since it is of no use any more.
1611         CFDictionaryRemoveValue(attrs, kSecValueRef);
1612     } else {
1613         // Augment attributes from default attributes of the related ref (SecKeyRef, SecCertificateRef).  This is best done
1614         // by creating ref and getting back its attributes.
1615         require_quiet(SecTokenItemCreateFromAttributes(attrs, auth_params, token, object_id, &ref, error), out);
1616         if (ref != NULL) {
1617             if ((ref_attrs = SecItemCopyAttributeDictionary(ref, false)) != NULL) {
1618                 CFDictionaryForEach(ref_attrs, ^(const void *key, const void *value) {
1619                     if (!CFEqual(key, kSecValueData)) {
1620                         CFDictionaryAddValue(attrs, key, value);
1621                     }
1622                 });
1623             }
1624         }
1625     }
1626
1627     // Make sure that both attributes and data are returned.
1628     CFDictionarySetValue(attrs, kSecReturnAttributes, kCFBooleanTrue);
1629     CFDictionarySetValue(attrs, kSecReturnData, kCFBooleanTrue);
1630
1631     if (!CFEqualSafe(CFDictionaryGetValue(attrs, kSecAttrIsPermanent), kCFBooleanFalse)) {
1632         // IsPermanent is not present or is true, so add item to the db.
1633         require_quiet(SECURITYD_XPC(sec_item_add, cftype_client_to_bool_cftype_error_request, attrs,
1634                                     SecSecurityClientGet(), &db_result, error), out);
1635     } else {
1636         // Process directly result of token call.
1637         db_result = CFRetain(attrs);
1638     }
1639     require_quiet(SecItemResultProcess(attributes, auth_params, token, db_result, result, error), out);
1640     ok = true;
1641
1642 out:
1643     CFReleaseSafe(db_result);
1644     CFReleaseSafe(db_value);
1645     CFReleaseSafe(attrs);
1646     CFReleaseSafe(ref_attrs);
1647     CFReleaseSafe(object_id);
1648     CFReleaseSafe(ref);
1649     return ok;
1650 }
1651
1652 OSStatus SecItemAdd(CFDictionaryRef attributes, CFTypeRef *result) {
1653     __block SecCFDictionaryCOW attrs = { attributes };
1654     OSStatus status;
1655
1656     os_activity_t activity = os_activity_create("SecItemAdd_ios", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_DEFAULT);
1657     os_activity_scope(activity);
1658     os_release(activity);
1659
1660     require_quiet(!explode_identity(attrs.dictionary, (secitem_operation)SecItemAdd, &status, result), errOut);
1661         infer_cert_label(&attrs);
1662
1663     status = SecOSStatusWith(^bool(CFErrorRef *error) {
1664         return SecItemAuthDoQuery(&attrs, NULL, SecItemAdd, error, ^bool(TKTokenRef token, CFDictionaryRef attributes, CFDictionaryRef unused, CFDictionaryRef auth_params, CFErrorRef *error) {
1665             if (token == NULL) {
1666                 CFTypeRef raw_result = NULL;
1667                 if (!SECURITYD_XPC(sec_item_add, cftype_client_to_bool_cftype_error_request, attributes, SecSecurityClientGet(), &raw_result, error))
1668                     return false;
1669
1670                 bool ok = SecItemResultProcess(attributes, auth_params, token, raw_result, result, error);
1671                 CFReleaseSafe(raw_result);
1672                 return ok;
1673             } else {
1674                 // Send request to an appropriate token instead of secd.
1675                 return SecTokenItemAdd(token, attributes, auth_params, result, error);
1676             }
1677         });
1678     });
1679
1680 errOut:
1681     CFReleaseSafe(attrs.mutable_dictionary);
1682
1683         return status;
1684 }
1685
1686
1687 OSStatus SecItemCopyMatching(CFDictionaryRef inQuery, CFTypeRef *result) {
1688     OSStatus status;
1689     __block SecCFDictionaryCOW query = { inQuery };
1690
1691     os_activity_t activity = os_activity_create("SecItemCopyMatching_ios", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_DEFAULT);
1692     os_activity_scope(activity);
1693     os_release(activity);
1694
1695     require_quiet(!explode_identity(query.dictionary, (secitem_operation)SecItemCopyMatching, &status, result), errOut);
1696
1697     bool wants_data = cf_bool_value(CFDictionaryGetValue(query.dictionary, kSecReturnData));
1698     bool wants_attributes = cf_bool_value(CFDictionaryGetValue(query.dictionary, kSecReturnAttributes));
1699     if ((wants_data && !wants_attributes)) {
1700         // When either attributes or data are requested, we need to query both, because for token based items,
1701         // both are needed in order to generate proper data and/or attributes results.
1702         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(&query), kSecReturnAttributes, kCFBooleanTrue);
1703     }
1704
1705     status = SecOSStatusWith(^bool(CFErrorRef *error) {
1706         return SecItemAuthDoQuery(&query, NULL, SecItemCopyMatching, error, ^bool(TKTokenRef token, CFDictionaryRef query, CFDictionaryRef attributes, CFDictionaryRef auth_params, CFErrorRef *error) {
1707             CFTypeRef raw_result = NULL;
1708             if (!SECURITYD_XPC(sec_item_copy_matching, cftype_client_to_bool_cftype_error_request, query, SecSecurityClientGet(), &raw_result, error))
1709                 return false;
1710
1711             // We intentionally pass NULL as token argument, because we want to be able to decide about token on which the item lives
1712             // on per-record basis, not wholesale.  Logic inside SecItemResultCopyPrepared will open proper token according
1713             // to currently processed item.
1714             bool ok = SecItemResultProcess(inQuery, auth_params, NULL, raw_result, result, error);
1715             CFReleaseSafe(raw_result);
1716             return ok;
1717         });
1718     });
1719
1720 errOut:
1721
1722     CFReleaseSafe(query.mutable_dictionary);
1723     return status;
1724 }
1725
1726 // Invokes token-object handler for each item matching specified query.
1727 static bool SecTokenItemForEachMatching(CFDictionaryRef query, CFErrorRef *error,
1728                                         bool (^perform)(CFDictionaryRef item_value, CFDictionaryRef item_query,
1729                                                         CFErrorRef *error)) {
1730     bool ok = false;
1731     CFMutableDictionaryRef list_query = NULL;
1732     CFTypeRef items = NULL;
1733     CFArrayRef ref_array = NULL;
1734     CFDictionaryRef item_query = NULL, item_data = NULL;
1735
1736     // Query all items with data and persistent_ref, so that we can extract objectIDs and also identify originating
1737     // items in the keychain.
1738     list_query = CFDictionaryCreateMutableCopy(NULL, 0, query);
1739     if (CFDictionaryGetValue(list_query, kSecMatchLimit) == NULL) {
1740         CFDictionarySetValue(list_query, kSecMatchLimit, kSecMatchLimitAll);
1741     }
1742     CFDictionarySetValue(list_query, kSecReturnData, kCFBooleanTrue);
1743     CFDictionarySetValue(list_query, kSecReturnPersistentRef, kCFBooleanTrue);
1744     require_quiet(SECURITYD_XPC(sec_item_copy_matching, cftype_client_to_bool_cftype_error_request, list_query,
1745                                 SecSecurityClientGet(), &items, error), out);
1746     if (CFGetTypeID(items) != CFArrayGetTypeID()) {
1747         // Wrap single returned item into the array.
1748         CFArrayRef item_array = CFArrayCreateForCFTypes(NULL, items, NULL);
1749         CFAssignRetained(items, item_array);
1750     }
1751
1752     CFTypeRef item;
1753     CFArrayForEachC(items, item) {
1754         CFDataRef data = CFDictionaryGetValue(item, kSecValueData);
1755         require_action_quiet(data != NULL, out, SecError(errSecInternal, error, CFSTR("value not present for token item")));
1756
1757         CFAssignRetained(item_data, SecTokenItemValueCopy(data, error));
1758         require_quiet(item_data, out);
1759
1760         CFAssignRetained(item_query,
1761                          CFDictionaryCreateForCFTypes(NULL,
1762                                                       kSecValuePersistentRef, CFDictionaryGetValue(item, kSecValuePersistentRef),
1763                                                       NULL));
1764         require_quiet(perform(item_data, item_query, error), out);
1765     }
1766
1767     ok = true;
1768
1769 out:
1770     CFReleaseSafe(list_query);
1771     CFReleaseSafe(items);
1772     CFReleaseSafe(item_data);
1773     CFReleaseSafe(ref_array);
1774     CFReleaseSafe(item_query);
1775     return ok;
1776 }
1777
1778 static bool SecItemRawUpdate(CFDictionaryRef query, CFDictionaryRef attributesToUpdate, CFErrorRef *error) {
1779     bool ok = false;
1780     if (gSecurityd) {
1781         // Ensure the dictionary passed to securityd has proper kCFTypeDictionaryKeyCallBacks.
1782         CFMutableDictionaryRef tmp = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, NULL);
1783         CFDictionaryForEach(attributesToUpdate, ^(const void *key, const void *value) { CFDictionaryAddValue(tmp, key, value); });
1784         ok = gSecurityd->sec_item_update(query, tmp, SecSecurityClientGet(), error);
1785         CFRelease(tmp);
1786     } else {
1787         xpc_object_t message = securityd_create_message(sec_item_update_id, error);
1788         if (message) {
1789             if (SecXPCDictionarySetPList(message, kSecXPCKeyQuery, query, error) &&
1790                 SecXPCDictionarySetPList(message, kSecXPCKeyAttributesToUpdate, attributesToUpdate, error)) {
1791                 xpc_object_t reply = securityd_message_with_reply_sync(message, error);
1792                 if (reply) {
1793                     ok = securityd_message_no_error(reply, error);
1794                     xpc_release(reply);
1795                 }
1796             }
1797             xpc_release(message);
1798         }
1799     }
1800     return ok;
1801 }
1802
1803 static bool SecTokenItemUpdate(TKTokenRef token, CFDictionaryRef query, CFDictionaryRef attributesToUpdate, CFErrorRef *error) {
1804     return SecTokenItemForEachMatching(query, error, ^bool(CFDictionaryRef object_data, CFDictionaryRef item_query, CFErrorRef *error) {
1805         bool ok = false;
1806         CFDataRef object_id = NULL;
1807         CFMutableDictionaryRef db_value = NULL;
1808
1809         // Update attributes on the token.
1810         CFMutableDictionaryRef attributes = CFDictionaryCreateMutableCopy(NULL, 0, attributesToUpdate);
1811         require_quiet(object_id = SecTokenCopyUpdatedObjectID(token, CFDictionaryGetValue(object_data, kSecTokenValueObjectIDKey),
1812                                                               attributes, error), out);
1813
1814         // Update attributes in the database.
1815         require_quiet(SecItemRawUpdate(item_query, attributes, error), out);
1816
1817         ok = true;
1818
1819     out:
1820         CFReleaseSafe(object_id);
1821         CFReleaseSafe(attributes);
1822         CFReleaseSafe(db_value);
1823         return ok;
1824     });
1825 }
1826
1827 OSStatus SecItemUpdate(CFDictionaryRef inQuery, CFDictionaryRef inAttributesToUpdate) {
1828     os_activity_t activity = os_activity_create("SecItemUpdate_ios", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_DEFAULT);
1829     os_activity_scope(activity);
1830     os_release(activity);
1831
1832     return SecOSStatusWith(^bool(CFErrorRef *error) {
1833         return SecItemUpdateWithError(inQuery, inAttributesToUpdate, error);
1834     });
1835 }
1836
1837 bool
1838 SecItemUpdateWithError(CFDictionaryRef inQuery,
1839                        CFDictionaryRef inAttributesToUpdate,
1840                        CFErrorRef *error)
1841 {
1842     __block SecCFDictionaryCOW query = { inQuery };
1843     __block SecCFDictionaryCOW attributesToUpdate = { inAttributesToUpdate };
1844     bool result = false;
1845
1846     if (handleUpdateIdentity(inQuery, inAttributesToUpdate, &result, error))
1847         goto errOut;
1848
1849     result = SecItemAuthDoQuery(&query, &attributesToUpdate, SecItemUpdate, error, ^bool(TKTokenRef token, CFDictionaryRef query, CFDictionaryRef attributes, CFDictionaryRef auth_params, CFErrorRef *error) {
1850         if (token == NULL) {
1851                 return SecItemRawUpdate(query, attributes, error);
1852         } else {
1853             return SecTokenItemUpdate(token, query, attributes, error);
1854         }
1855     });
1856
1857 errOut:
1858     CFReleaseSafe(query.mutable_dictionary);
1859     CFReleaseSafe(attributesToUpdate.mutable_dictionary);
1860     return result;
1861 }
1862
1863 static OSStatus explode_persistent_identity_ref(SecCFDictionaryCOW *query)
1864 {
1865     OSStatus status = errSecSuccess;
1866     CFTypeRef persist = CFDictionaryGetValue(query->dictionary, kSecValuePersistentRef);
1867     CFStringRef class;
1868     if (persist && _SecItemParsePersistentRef(persist, &class, NULL, NULL)
1869         && CFEqual(class, kSecClassIdentity)) {
1870         const void *keys[] = { kSecReturnRef, kSecValuePersistentRef };
1871         const void *vals[] = { kCFBooleanTrue, persist };
1872         CFDictionaryRef persistent_query = CFDictionaryCreate(NULL, keys,
1873             vals, (array_size(keys)), NULL, NULL);
1874         CFTypeRef item_query = NULL;
1875         status = SecItemCopyMatching(persistent_query, &item_query);
1876         CFReleaseNull(persistent_query);
1877         if (status)
1878             return status;
1879         if (item_query == NULL)
1880             return errSecItemNotFound;
1881
1882         CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(query), kSecValuePersistentRef);
1883         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(query), kSecValueRef, item_query);
1884         CFRelease(item_query);
1885     }
1886
1887     return status;
1888 }
1889
1890 OSStatus SecItemDelete(CFDictionaryRef inQuery) {
1891     OSStatus status;
1892     __block SecCFDictionaryCOW query = { inQuery };
1893
1894     os_activity_t activity = os_activity_create("SecItemDelete_ios", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_DEFAULT);
1895     os_activity_scope(activity);
1896     os_release(activity);
1897
1898     require_noerr_quiet(status = explode_persistent_identity_ref(&query), errOut);
1899     require_quiet(!explode_identity(query.dictionary, (secitem_operation)SecItemDelete, &status, NULL), errOut);
1900
1901     status = SecOSStatusWith(^bool(CFErrorRef *error) {
1902         return SecItemAuthDoQuery(&query, NULL, SecItemDelete, error, ^bool(TKTokenRef token, CFDictionaryRef query, CFDictionaryRef attributes, CFDictionaryRef auth_params, CFErrorRef *error) {
1903             if (token == NULL) {
1904                 return SECURITYD_XPC(sec_item_delete, dict_client_to_error_request, query, SecSecurityClientGet(), error);
1905             } else {
1906                 return SecTokenItemForEachMatching(query, error, ^bool(CFDictionaryRef object_data, CFDictionaryRef item_query, CFErrorRef *error) {
1907                     bool ok = false;
1908
1909                     // Delete item from the token.
1910                     CFDataRef object_id = CFDictionaryGetValue(object_data, kSecTokenValueObjectIDKey);
1911                     require_action_quiet(TKTokenDeleteObject(token, object_id, error), out,
1912                                          SecTokenProcessError(kAKSKeyOpDelete, token, object_id, error));
1913
1914                     // Delete the item from the keychain.
1915                     require_quiet(SECURITYD_XPC(sec_item_delete, dict_client_to_error_request, item_query,
1916                                                 SecSecurityClientGet(), error), out);
1917                     ok = true;
1918
1919                 out:
1920                     return ok;
1921                 });
1922             }
1923         });
1924     });
1925
1926 errOut:
1927     CFReleaseSafe(query.mutable_dictionary);
1928
1929
1930         return status;
1931 }
1932
1933 OSStatus
1934 SecItemDeleteAll(void)
1935 {
1936     return SecOSStatusWith(^bool (CFErrorRef *error) {
1937         bool ok = true;
1938         if (gSecurityd) {
1939             if (!gSecurityd->sec_item_delete_all(error))
1940                 ok &= SecError(errSecInternal, error, CFSTR("sec_item_delete_all is NULL"));
1941         } else {
1942             ok &= securityd_send_sync_and_do(sec_delete_all_id, error, NULL, NULL);
1943         }
1944         return ok;
1945     });
1946 }
1947
1948 #if 0
1949 static bool
1950 agrps_client_to_error_request(enum SecXPCOperation op, CFArrayRef agrps, __unused SecurityClient *client, CFErrorRef *error)
1951 {
1952     return securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
1953         return SecXPCDictionarySetPList(message, kSecXPCKeyAccessGroups, agrps, error);
1954     }, NULL);
1955 }
1956 #endif
1957
1958 bool SecItemDeleteAllWithAccessGroups(CFArrayRef accessGroups, CFErrorRef *error) {
1959 #if 0
1960     os_activity_t activity = os_activity_create("SecItemDeleteAllWithAccessGroups", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_DEFAULT);
1961     os_activity_scope(activity);
1962     os_release(activity);
1963
1964     return SECURITYD_XPC(sec_delete_items_with_access_groups, agrps_client_to_error_request, accessGroups,
1965                          SecSecurityClientGet(), error);
1966 #else
1967     return true;
1968 #endif
1969 }
1970
1971 OSStatus
1972 #if SECITEM_SHIM_OSX
1973 SecItemUpdateTokenItems_ios(CFTypeRef tokenID, CFArrayRef tokenItemsAttributes)
1974 #else
1975 SecItemUpdateTokenItems(CFTypeRef tokenID, CFArrayRef tokenItemsAttributes)
1976 #endif
1977 {
1978     OSStatus status;
1979
1980     os_activity_t activity = os_activity_create("SecItemDelete_ios", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_DEFAULT);
1981     os_activity_scope(activity);
1982     os_release(activity);
1983
1984     status = SecOSStatusWith(^bool(CFErrorRef *error) {
1985         CFArrayRef tmpArrayRef = tokenItemsAttributes;
1986         if (tokenItemsAttributes) {
1987             CFMutableArrayRef tokenItems = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
1988             for (CFIndex i = 0; i < CFArrayGetCount(tokenItemsAttributes); ++i) {
1989                 CFDictionaryRef itemAttributes = CFArrayGetValueAtIndex(tokenItemsAttributes, i);
1990                 CFTypeRef accessControl = CFDictionaryGetValue(itemAttributes, kSecAttrAccessControl);
1991                 CFTypeRef tokenOID = CFDictionaryGetValue(itemAttributes, kSecAttrTokenOID);
1992                 CFTypeRef valueData = CFDictionaryGetValue(itemAttributes, kSecValueData);
1993                 if (tokenOID != NULL && accessControl != NULL && CFDataGetTypeID() == CFGetTypeID(accessControl)) {
1994                     CFDataRef data = SecTokenItemValueCreate(tokenOID, accessControl, valueData, error);
1995                     if (!data) {
1996                         CFRelease(tokenItems);
1997                         return false;
1998                     }
1999
2000                     CFMutableDictionaryRef attributes = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, itemAttributes);
2001                     CFDictionarySetValue(attributes, kSecValueData, data);
2002                     CFDictionarySetValue(attributes, kSecAttrTokenID, tokenID);
2003                     CFDictionaryRemoveValue(attributes, kSecAttrAccessControl);
2004                     CFDictionaryRemoveValue(attributes, kSecAttrTokenOID);
2005                     CFArrayAppendValue(tokenItems, attributes);
2006                     CFRelease(attributes);
2007                     CFRelease(data);
2008                 }
2009                 else
2010                     CFArrayAppendValue(tokenItems, itemAttributes);
2011             }
2012
2013             tmpArrayRef = tokenItems;
2014         }
2015
2016         return SECURITYD_XPC(sec_item_update_token_items, cfstring_array_to_error_request, tokenID, tmpArrayRef, SecSecurityClientGet(), error);
2017     });
2018
2019     return status;
2020 }
2021
2022 CFArrayRef _SecKeychainSyncUpdateMessage(CFDictionaryRef updates, CFErrorRef *error) {
2023     __block CFArrayRef result;
2024     os_activity_initiate("_SecKeychainSyncUpdateMessage", OS_ACTIVITY_FLAG_DEFAULT, ^{
2025         result = SECURITYD_XPC(sec_keychain_sync_update_message, dict_to_array_error_request, updates, error);
2026     });
2027     return result;
2028 }
2029
2030 #define do_if_registered(sdp, ...) if (gSecurityd && gSecurityd->sdp) { return gSecurityd->sdp(__VA_ARGS__); }
2031
2032 bool _SecKeychainRollKeys(bool force, CFErrorRef *error)
2033 {
2034     do_if_registered(sec_roll_keys, force, error);
2035
2036     __block bool result = false;
2037
2038     secdebug("secitem","enter - %s", __FUNCTION__);
2039     securityd_send_sync_and_do(kSecXPCOpRollKeys, error,
2040         ^bool(xpc_object_t message, CFErrorRef *error) {
2041             xpc_dictionary_set_bool(message, "force", force);
2042             return true;
2043         },
2044         ^bool(xpc_object_t response, __unused CFErrorRef *error) {
2045             result = xpc_dictionary_get_bool(response, kSecXPCKeyResult);
2046             return result;
2047         });
2048     return result;
2049 }
2050
2051 static CFArrayRef data_array_to_array_error_request(enum SecXPCOperation op, CFDataRef normalizedIssuer, CFArrayRef accessGroups, CFErrorRef *error) {
2052     __block CFArrayRef results = NULL;
2053     securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
2054         SecXPCDictionarySetData(message, kSecXPCKeyNormalizedIssuer, normalizedIssuer, error);
2055         SecXPCDictionarySetPList(message, kSecXPCKeyAccessGroups, accessGroups, error);
2056         return true;
2057     }, ^bool(xpc_object_t response, CFErrorRef *error) {
2058         return SecXPCDictionaryCopyArrayOptional(response, kSecXPCKeyResult, &results, error);
2059     });
2060     return results;
2061 }
2062
2063 static bool data_data_array_to_bool_error_request(enum SecXPCOperation op, CFDataRef normalizedIssuer, CFDataRef serialNumber, CFArrayRef accessGroups, CFErrorRef *error) {
2064     __block bool result = false;
2065     securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
2066         SecXPCDictionarySetData(message, kSecXPCKeyNormalizedIssuer, normalizedIssuer, error);
2067         SecXPCDictionarySetData(message, kSecXPCKeySerialNumber, serialNumber, error);
2068         SecXPCDictionarySetPList(message, kSecXPCKeyAccessGroups, accessGroups, error);
2069         return true;
2070     }, ^bool(xpc_object_t response, CFErrorRef *error) {
2071         result = xpc_dictionary_get_bool(response, kSecXPCKeyResult);
2072         return result;
2073     });
2074     return result;
2075 }
2076
2077 CFArrayRef SecItemCopyParentCertificates_ios(CFDataRef normalizedIssuer, CFArrayRef accessGroups, CFErrorRef *error) {
2078     CFArrayRef results = NULL;
2079
2080     os_activity_t activity = os_activity_create("SecItemCopyParentCertificates_ios", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_DEFAULT);
2081     os_activity_scope(activity);
2082     os_release(activity);
2083
2084     results = SECURITYD_XPC(sec_item_copy_parent_certificates, data_array_to_array_error_request, normalizedIssuer, accessGroups, error);
2085
2086     return results;
2087 }
2088
2089 bool SecItemCertificateExists(CFDataRef normalizedIssuer, CFDataRef serialNumber, CFArrayRef accessGroups, CFErrorRef *error) {
2090     bool results = false;
2091
2092     os_activity_t activity = os_activity_create("SecItemCopyParentCertificates_ios", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_DEFAULT);
2093     os_activity_scope(activity);
2094     os_release(activity);
2095
2096     results = SECURITYD_XPC(sec_item_certificate_exists, data_data_array_to_bool_error_request, normalizedIssuer, serialNumber, accessGroups, error);
2097
2098     return results;
2099 }