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
  79 #include <Security/SecInternal.h>
  80 #include "SOSInternal.h"
  81 #include <TargetConditionals.h>
  82 #include <ipc/securityd_client.h>
  83 #include <Security/SecuritydXPC.h>
  84 #include <AssertMacros.h>
  85 #include <asl.h>
  86 #include <sys/types.h>
  87 #include <pwd.h>
  88 #include <grp.h>
  89 #include <unistd.h>
  90 #include <libDER/asn1Types.h>
  91
  92 #include <utilities/SecDb.h>
  93 #include <IOKit/IOReturn.h>
  94
  95 #include <coreauthd_spi.h>
  96 #include <LocalAuthentication/LAPrivateDefines.h>
  97 #include <LocalAuthentication/LACFSupport.h>
  98
  99 #include <ctkclient.h>
 100
 101 const CFStringRef kSecNetworkExtensionAccessGroupSuffix = CFSTR("com.apple.networkextensionsharing");
 102
 103 /* Return an OSStatus for a sqlite3 error code. */
 104 static OSStatus osstatus_for_s3e(int s3e)
 105 {
 106         switch (s3e)
 107         {
 108         case SQLITE_OK:
 109         case SQLITE_DONE:
 110             return errSecSuccess;
 111         case SQLITE_READONLY:
 112             return errSecReadOnly;
 113         case SQLITE_CONSTRAINT:
 114             return errSecDuplicateItem;
 115         case SQLITE_ABORT:             // There is no errSecOperationCancelled
 116             return -1;
 117         case SQLITE_MISMATCH:
 118             return errSecNoSuchAttr;
 119         case SQLITE_NOMEM:
 120             return errSecAllocate;
 121         case SQLITE_IOERR:
 122             return errSecIO;
 123         case SQLITE_INTERNAL:
 124             return errSecInternalComponent;
 125         case SQLITE_FULL:              // Happens if we run out of uniqueids or disk is full (TODO: replace with better code)
 126         case SQLITE_PERM:              // No acess permission
 127         case SQLITE_AUTH:              // No authorization (e.g. no class key for file)
 128         case SQLITE_CANTOPEN:          // can be several reasons for this. Caller should sqlite3_system_errno()
 129         case SQLITE_EMPTY:             // SQLite does not seem to use this. Was already here, so keeping
 130         case SQLITE_ERROR:
 131         default:
 132             return errSecNotAvailable;
 133         }
 134 }
 135
 136 static OSStatus osstatus_for_kern_return(CFIndex kernResult)
 137 {
 138         switch (kernResult)
 139         {
 140         case KERN_SUCCESS:
 141             return errSecSuccess;
 142         case kIOReturnNotReadable:
 143         case kIOReturnNotWritable:
 144             return errSecAuthFailed;
 145         case kIOReturnNotPermitted:
 146         case kIOReturnNotPrivileged:
 147         case kIOReturnLockedRead:
 148         case kIOReturnLockedWrite:
 149             return errSecInteractionNotAllowed;
 150         case kIOReturnError:
 151             return errSecDecode;
 152         case kIOReturnBadArgument:
 153             return errSecParam;
 154         default:
 155             return errSecNotAvailable; /* TODO: Replace with a real error code. */
 156         }
 157 }
 158
 159 static OSStatus osstatus_for_xpc_error(CFIndex xpcError) {
 160     switch (xpcError)
 161         {
 162         case kSecXPCErrorSuccess:
 163             return errSecSuccess;
 164         case kSecXPCErrorUnexpectedType:
 165         case kSecXPCErrorUnexpectedNull:
 166             return errSecParam;
 167         case kSecXPCErrorConnectionFailed:
 168             return errSecNotAvailable;
 169         case kSecXPCErrorUnknown:
 170         default:
 171             return errSecInternal;
 172     }
 173 }
 174
 175 static OSStatus osstatus_for_der_error(CFIndex derError) {
 176     switch (derError)
 177         {
 178         case kSecDERErrorUnknownEncoding:
 179         case kSecDERErrorUnsupportedDERType:
 180         case kSecDERErrorUnsupportedNumberType:
 181             return errSecDecode;
 182         case kSecDERErrorUnsupportedCFObject:
 183             return errSecParam;
 184         case kSecDERErrorAllocationFailure:
 185             return errSecAllocate;
 186         default:
 187             return errSecInternal;
 188     }
 189 }
 190
 191 static OSStatus osstatus_for_ids_error(CFIndex idsError) {
 192     switch (idsError)
 193     {
 194         case kSecIDSErrorNoDeviceID:
 195             return errSecDeviceIDNeeded;
 196         case kSecIDSErrorNotRegistered:
 197             return errSecIDSNotRegistered;
 198         case kSecIDSErrorFailedToSend:
 199             return errSecFailedToSendIDSMessage;
 200         case kSecIDSErrorCouldNotFindMatchingAuthToken:
 201             return errSecDeviceIDNoMatch;
 202         case kSecIDSErrorNoPeersAvailable:
 203             return errSecPeersNotAvailable;
 204         default:
 205             return errSecInternal;
 206     }
 207 }
 208
 209 static OSStatus osstatus_for_localauthentication_error(CFIndex laError) {
 210     // Wrap LA error in Sec error.
 211     switch (laError) {
 212         case kLAErrorUserCancel:
 213             return errSecUserCanceled;
 214         case kLAErrorParameter:
 215             return errSecParam;
 216         case kLAErrorNotInteractive:
 217             return errSecInteractionNotAllowed;
 218         default:
 219             return errSecAuthFailed;
 220     }
 221 }
 222
 223 static OSStatus osstatus_for_ctk_error(CFIndex ctkError) {
 224     switch (ctkError) {
 225         case kTKErrorCodeBadParameter:
 226             return errSecParam;
 227         case kTKErrorCodeNotImplemented:
 228             return errSecUnimplemented;
 229         case kTKErrorCodeCanceledByUser:
 230             return errSecUserCanceled;
 231         case kTKErrorCodeCorruptedData:
 232             return errSecDecode;
 233         default:
 234             return errSecInternal;
 235     }
 236 }
 237
 238
 239 // Convert from securityd error codes to OSStatus for legacy API.
 240 OSStatus SecErrorGetOSStatus(CFErrorRef error) {
 241     OSStatus status;
 242     if (error == NULL) {
 243         status = errSecSuccess;
 244     } else {
 245         CFStringRef domain = CFErrorGetDomain(error);
 246         if (domain == NULL) {
 247             secerror("No error domain for error: %@", error);
 248             status = errSecInternal;
 249         } else if (CFEqual(kSecErrorDomain, domain)) {
 250             status = (OSStatus)CFErrorGetCode(error);
 251         } else if (CFEqual(kSecDbErrorDomain, domain)) {
 252             status = osstatus_for_s3e((int)CFErrorGetCode(error));
 253         } else if (CFEqual(kSecErrnoDomain, domain)) {
 254             status = (OSStatus)CFErrorGetCode(error);
 255         } else if (CFEqual(kSecKernDomain, domain)) {
 256             status = osstatus_for_kern_return(CFErrorGetCode(error));
 257         } else if (CFEqual(sSecXPCErrorDomain, domain)) {
 258             status = osstatus_for_xpc_error(CFErrorGetCode(error));
 259         } else if (CFEqual(sSecDERErrorDomain, domain)) {
 260             status = osstatus_for_der_error(CFErrorGetCode(error));
 261         }else if (CFEqual(kSecIDSErrorDomain, domain)) {
 262             status = osstatus_for_ids_error(CFErrorGetCode(error));
 263         } else if (CFEqual(CFSTR(kLAErrorDomain), domain)) {
 264             status = osstatus_for_localauthentication_error(CFErrorGetCode(error));
 265         } else if (CFEqual(CFSTR(kTKErrorDomain), domain)) {
 266             status = osstatus_for_ctk_error(CFErrorGetCode(error));
 267         } else if (CFEqual(kSOSErrorDomain, domain)) {
 268             status = errSecInternal;
 269         } else {
 270             secnotice("securityd", "unknown error domain: %@ for error: %@", domain, error);
 271             status = errSecInternal;
 272         }
 273     }
 274     return status;
 275 }
 276
 277 static void
 278 lastErrorReleaseError(void *value)
 279 {
 280     if (value)
 281         CFRelease(value);
 282 }
 283
 284 static bool
 285 getLastErrorKey(pthread_key_t *kv)
 286 {
 287     static pthread_key_t key;
 288     static bool haveKey = false;
 289     static dispatch_once_t onceToken;
 290     dispatch_once(&onceToken, ^{
 291         if (pthread_key_create(&key, lastErrorReleaseError) == 0)
 292             haveKey = true;
 293     });
 294     *kv = key;
 295     return haveKey;
 296 }
 297
 298 static void
 299 SetLastError(CFErrorRef newError)
 300 {
 301     pthread_key_t key;
 302     if (!getLastErrorKey(&key))
 303         return;
 304     CFErrorRef oldError = pthread_getspecific(key);
 305     if (oldError)
 306         CFRelease(oldError);
 307     if (newError)
 308         CFRetain(newError);
 309     pthread_setspecific(key, newError);
 310 }
 311
 312 CFErrorRef
 313 SecCopyLastError(OSStatus status)
 314 {
 315     pthread_key_t key;
 316     CFErrorRef error;
 317
 318     if (!getLastErrorKey(&key))
 319         return NULL;
 320
 321     error = pthread_getspecific(key);
 322     if (error) {
 323         if (status && status != SecErrorGetOSStatus(error)) {
 324             error = NULL;
 325         } else {
 326             CFRetain(error);
 327         }
 328     }
 329     return error;
 330 }
 331
 332 // Wrapper to provide a CFErrorRef for legacy API.
 333 OSStatus SecOSStatusWith(bool (^perform)(CFErrorRef *error)) {
 334     CFErrorRef error = NULL;
 335     OSStatus status;
 336     if (perform(&error)) {
 337         assert(error == NULL);
 338         SetLastError(NULL);
 339         status = errSecSuccess;
 340     } else {
 341         assert(error);
 342         SetLastError(error);
 343         status = SecErrorGetOSStatus(error);
 344         if (status != errSecItemNotFound)           // Occurs in normal operation, so exclude
 345             secinfo("OSStatus", "error:[%" PRIdOSStatus "] %@", status, error);
 346         CFReleaseNull(error);
 347     }
 348     return status;
 349 }
 350
 351 /* Drop assorted kSecAttrCanXxxx attributes from the query, because these attributes are generated
 352    by SecKey implementation and may differ between OS versions, see <rdar://problem/27095761>.
 353  */
 354
 355 static CFDictionaryRef
 356 AttributeCreateFilteredOutSecAttrs(CFDictionaryRef attributes)
 357 {
 358     CFMutableDictionaryRef filtered = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, attributes);
 359     if (filtered == NULL)
 360         return NULL;
 361     CFDictionaryRemoveValue(filtered, kSecAttrCanSign);
 362     CFDictionaryRemoveValue(filtered, kSecAttrCanVerify);
 363     CFDictionaryRemoveValue(filtered, kSecAttrCanEncrypt);
 364     CFDictionaryRemoveValue(filtered, kSecAttrCanDecrypt);
 365     CFDictionaryRemoveValue(filtered, kSecAttrCanDerive);
 366     CFDictionaryRemoveValue(filtered, kSecAttrCanWrap);
 367     CFDictionaryRemoveValue(filtered, kSecAttrCanUnwrap);
 368     CFDictionaryRemoveValue(filtered, kSecAttrCanSignRecover);
 369     CFDictionaryRemoveValue(filtered, kSecAttrCanVerifyRecover);
 370     CFDictionaryRemoveValue(filtered, kSecAttrIsPermanent);
 371
 372     return filtered;
 373 }
 374
 375
 376 /* IPC uses CFPropertyList to un/marshall input/output data and can handle:
 377    CFData, CFString, CFArray, CFDictionary, CFDate, CFBoolean, and CFNumber
 378
 379    Currently in need of conversion below:
 380    @@@ kSecValueRef allows SecKeychainItemRef and SecIdentityRef
 381    @@@ kSecUseItemList allows a query against a list of itemrefs, this isn't
 382        currently implemented at all, but when it is needs to short circuit to
 383            local evaluation, different from the sql query abilities
 384 */
 385
 386 static CFDictionaryRef
 387 SecItemCopyAttributeDictionary(CFTypeRef ref, bool forQuery) {
 388         CFDictionaryRef refDictionary = NULL;
 389         CFTypeID typeID = CFGetTypeID(ref);
 390         if (typeID == SecKeyGetTypeID()) {
 391                 refDictionary = SecKeyCopyAttributeDictionary((SecKeyRef)ref);
 392         if (refDictionary && forQuery) {
 393             CFDictionaryRef filtered = AttributeCreateFilteredOutSecAttrs(refDictionary);
 394             CFAssignRetained(refDictionary, filtered);
 395         }
 396         } else if (typeID == SecCertificateGetTypeID()) {
 397                 refDictionary = SecCertificateCopyAttributeDictionary((SecCertificateRef)ref);
 398         } else if (typeID == SecIdentityGetTypeID()) {
 399         assert(false);
 400         SecIdentityRef identity = (SecIdentityRef)ref;
 401         SecCertificateRef cert = NULL;
 402         SecKeyRef key = NULL;
 403         if (!SecIdentityCopyCertificate(identity, &cert) &&
 404             !SecIdentityCopyPrivateKey(identity, &key))
 405         {
 406             CFDataRef data = SecCertificateCopyData(cert);
 407             CFDictionaryRef key_dict = SecKeyCopyAttributeDictionary(key);
 408
 409             if (key_dict && data) {
 410                 refDictionary = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, key_dict);
 411                 CFDictionarySetValue((CFMutableDictionaryRef)refDictionary, kSecAttrIdentityCertificateData, data);
 412             }
 413             CFReleaseNull(key_dict);
 414             CFReleaseNull(data);
 415         }
 416         CFReleaseNull(cert);
 417         CFReleaseNull(key);
 418         }
 419         return refDictionary;
 420 }
 421
 422 #ifdef SECITEM_SHIM_OSX
 423 extern CFTypeRef SecItemCreateFromAttributeDictionary_osx(CFDictionaryRef refAttributes);
 424 #endif
 425
 426 static CFTypeRef
 427 SecItemCreateFromAttributeDictionary(CFDictionaryRef refAttributes) {
 428         CFTypeRef ref = NULL;
 429         CFStringRef class = CFDictionaryGetValue(refAttributes, kSecClass);
 430     if (CFEqual(class, kSecClassKey)) {
 431         ref = SecKeyCreateFromAttributeDictionary(refAttributes);
 432     } else if (CFEqual(class, kSecClassCertificate)) {
 433                 ref = SecCertificateCreateFromAttributeDictionary(refAttributes);
 434         } else if (CFEqual(class, kSecClassIdentity)) {
 435                 CFDataRef data = CFDictionaryGetValue(refAttributes, kSecAttrIdentityCertificateData);
 436                 SecCertificateRef cert = SecCertificateCreateWithData(kCFAllocatorDefault, data);
 437         SecKeyRef key = SecKeyCreateFromAttributeDictionary(refAttributes);
 438         if (key && cert) {
 439             ref = SecIdentityCreate(kCFAllocatorDefault, cert, key);
 440         }
 441         else {
 442             secerror("SecItem: failed to create identity");
 443         }
 444
 445         CFReleaseSafe(key);
 446                 CFReleaseSafe(cert);
 447 #ifdef SECITEM_SHIM_OSX
 448         } else {
 449         ref = SecItemCreateFromAttributeDictionary_osx(refAttributes);
 450 #endif
 451         }
 452         return ref;
 453 }
 454
 455 OSStatus
 456 SecItemCopyDisplayNames(CFArrayRef items, CFArrayRef *displayNames)
 457 {
 458     // @@@ TBI
 459     return -1 /* errSecUnimplemented */;
 460 }
 461
 462 typedef OSStatus (*secitem_operation)(CFDictionaryRef attributes, CFTypeRef *result);
 463
 464 static bool explode_identity(CFDictionaryRef attributes, secitem_operation operation,
 465     OSStatus *return_status, CFTypeRef *return_result)
 466 {
 467     bool handled = false;
 468         CFTypeRef value = CFDictionaryGetValue(attributes, kSecValueRef);
 469     if (value) {
 470         CFTypeID typeID = CFGetTypeID(value);
 471         if (typeID == SecIdentityGetTypeID()) {
 472             handled = true;
 473             OSStatus status = errSecSuccess;
 474             SecIdentityRef identity = (SecIdentityRef)value;
 475             SecCertificateRef cert = NULL;
 476             SecKeyRef key = NULL;
 477             if (!SecIdentityCopyCertificate(identity, &cert) &&
 478                 !SecIdentityCopyPrivateKey(identity, &key))
 479             {
 480                 CFMutableDictionaryRef partial_query =
 481                     CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, attributes);
 482                 CFDictionarySetValue(partial_query, kSecValueRef, cert);
 483                 CFTypeRef result = NULL;
 484                 bool duplicate_cert = false;
 485                 /* an identity is first and foremost a key, but it can have multiple
 486                    certs associated with it: so we identify it by the cert */
 487                 status = operation(partial_query, return_result ? &result : NULL);
 488                 if ((operation == (secitem_operation)SecItemAdd) &&
 489                     (status == errSecDuplicateItem)) {
 490                         duplicate_cert = true;
 491                         status = errSecSuccess;
 492                 }
 493
 494                 if (!status || status == errSecItemNotFound) {
 495                                         bool skip_key_operation = false;
 496
 497                                         /* if the key is still in use, skip deleting it */
 498                                         if (operation == (secitem_operation)SecItemDelete) {
 499                                                 // find certs with cert.pkhh == keys.klbl
 500                                                 CFDictionaryRef key_dict = NULL, query_dict = NULL;
 501                                                 CFDataRef pkhh = NULL;
 502
 503                                                 key_dict = SecKeyCopyAttributeDictionary(key);
 504                                                 if (key_dict)
 505                                                         pkhh = (CFDataRef)CFDictionaryGetValue(key_dict, kSecAttrApplicationLabel);
 506                                                 const void *keys[] = { kSecClass, kSecAttrPublicKeyHash };
 507                                                 const void *vals[] = { kSecClassCertificate, pkhh };
 508                                                 if (pkhh)
 509                                                         query_dict = CFDictionaryCreate(NULL, keys,
 510                                                     vals, (array_size(keys)),
 511                                                                 NULL, NULL);
 512                                                 if (query_dict)
 513                                                         if (errSecSuccess == SecItemCopyMatching(query_dict, NULL))
 514                                                                 skip_key_operation = true;
 515                                                 CFReleaseSafe(query_dict);
 516                                                 CFReleaseSafe(key_dict);
 517                                         }
 518
 519                                         if (!skip_key_operation) {
 520                             /* now perform the operation for the key */
 521                             CFDictionarySetValue(partial_query, kSecValueRef, key);
 522                             CFDictionarySetValue(partial_query, kSecReturnPersistentRef, kCFBooleanFalse);
 523
 524                             status = operation(partial_query, NULL);
 525                             if ((operation == (secitem_operation)SecItemAdd) &&
 526                                 (status == errSecDuplicateItem) &&
 527                                 !duplicate_cert)
 528                                     status = errSecSuccess;
 529                                         }
 530
 531                     /* add and copy matching for an identityref have a persistent ref result */
 532                     if (result) {
 533                         if (!status) {
 534                             /* result is a persistent ref to a cert */
 535                             sqlite_int64 rowid;
 536                             CFDictionaryRef tokenAttrs = NULL;
 537                             if (_SecItemParsePersistentRef(result, NULL, &rowid, &tokenAttrs)) {
 538                                 *return_result = _SecItemCreatePersistentRef(kSecClassIdentity, rowid, tokenAttrs);
 539                             }
 540                             CFReleaseNull(tokenAttrs);
 541                         }
 542                         CFRelease(result);
 543                     }
 544                 }
 545                 CFReleaseNull(partial_query);
 546             }
 547             else
 548                 status = errSecInvalidItemRef;
 549
 550             CFReleaseNull(cert);
 551             CFReleaseNull(key);
 552             *return_status = status;
 553         }
 554     } else {
 555                 value = CFDictionaryGetValue(attributes, kSecClass);
 556                 if (value && CFEqual(kSecClassIdentity, value) &&
 557                         (operation == (secitem_operation)SecItemDelete)) {
 558                         CFMutableDictionaryRef dict = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, attributes);
 559                         CFDictionaryRemoveValue(dict, kSecClass);
 560                         CFDictionarySetValue(dict, kSecClass, kSecClassCertificate);
 561                         OSStatus status = SecItemDelete(dict);
 562                         if (!status) {
 563                                 CFDictionarySetValue(dict, kSecClass, kSecClassKey);
 564                                 status = SecItemDelete(dict);
 565                         }
 566                         CFRelease(dict);
 567                         *return_status = status;
 568             handled = true;
 569                 }
 570         }
 571     return handled;
 572 }
 573
 574 static bool
 575 SecErrorPropagateLastError(OSStatus status, CFErrorRef *error)
 576 {
 577     if (status) {
 578         CFErrorRef lastError = SecCopyLastError(status);
 579         if (lastError)
 580             CFErrorPropagate(lastError, error);
 581         else
 582             SecError(status, error, CFSTR("SecError: error not captured, OSStatus was: %d"), (int)status);
 583         return false;
 584     }
 585     return true;
 586 }
 587
 588 static bool
 589 handleUpdateIdentity(CFDictionaryRef query,
 590                      CFDictionaryRef update,
 591                      bool *result,
 592                      CFErrorRef *error)
 593 {
 594     CFMutableDictionaryRef updatedQuery = NULL;
 595     SecCertificateRef cert = NULL;
 596     SecKeyRef key = NULL;
 597     bool handled = false;
 598
 599     *result = false;
 600
 601     CFTypeRef value = CFDictionaryGetValue(query, kSecValueRef);
 602     if (value) {
 603         CFTypeID typeID = CFGetTypeID(value);
 604         if (typeID == SecIdentityGetTypeID()) {
 605             SecIdentityRef identity = (SecIdentityRef)value;
 606             OSStatus status;
 607
 608             handled = true;
 609
 610             status = SecIdentityCopyCertificate(identity, &cert);
 611             require_noerr_action_quiet(status, errOut, SecErrorPropagateLastError(status, error));
 612
 613             status = SecIdentityCopyPrivateKey(identity, &key);
 614             require_noerr_action_quiet(status, errOut, SecErrorPropagateLastError(status, error));
 615
 616             updatedQuery = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, query);
 617             require_action_quiet(updatedQuery, errOut, *result = false);
 618
 619             CFDictionarySetValue(updatedQuery, kSecValueRef, cert);
 620             require_quiet(SecItemUpdateWithError(updatedQuery, update, error), errOut);
 621
 622             CFDictionarySetValue(updatedQuery, kSecValueRef, key);
 623             require_quiet(SecItemUpdateWithError(updatedQuery, update, error), errOut);
 624
 625         }
 626     } else {
 627         value = CFDictionaryGetValue(query, kSecClass);
 628         if (value && CFEqual(kSecClassIdentity, value)) {
 629             handled = true;
 630
 631             updatedQuery = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, query);
 632             require_action_quiet(updatedQuery, errOut, *result = false);
 633
 634             CFDictionarySetValue(updatedQuery, kSecClass, kSecClassCertificate);
 635             require_quiet(SecItemUpdateWithError(updatedQuery, update, error), errOut);
 636
 637             CFDictionarySetValue(updatedQuery, kSecClass, kSecClassKey);
 638             require_quiet(SecItemUpdateWithError(updatedQuery, update, error), errOut);
 639
 640             CFReleaseNull(updatedQuery);
 641         }
 642     }
 643     *result = true;
 644 errOut:
 645     CFReleaseNull(updatedQuery);
 646     CFReleaseNull(cert);
 647     CFReleaseNull(key);
 648     return handled;
 649 }
 650
 651 static void infer_cert_label(SecCFDictionaryCOW *attributes)
 652 {
 653     if (!CFDictionaryContainsKey(attributes->dictionary, kSecAttrLabel)) {
 654         CFTypeRef value_ref = CFDictionaryGetValue(attributes->dictionary, kSecValueRef);
 655         if (value_ref && CFGetTypeID(value_ref) == SecCertificateGetTypeID()) {
 656             SecCertificateRef certificate = (SecCertificateRef)value_ref;
 657             CFStringRef label = SecCertificateCopySubjectSummary(certificate);
 658             if (label) {
 659                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attributes), kSecAttrLabel, label);
 660                 CFReleaseNull(label);
 661             }
 662         }
 663     }
 664 }
 665
 666 static CFDataRef CreateTokenPersistentRefData(CFTypeRef class, CFDictionaryRef attributes)
 667 {
 668     CFDataRef tokenPersistentRef = NULL;
 669     CFStringRef tokenId = CFDictionaryGetValue(attributes, kSecAttrTokenID);
 670     CFDictionaryRef itemValue = NULL;
 671     if (CFEqual(class, kSecClassIdentity)) {
 672         itemValue = SecTokenItemValueCopy(CFDictionaryGetValue(attributes, kSecAttrIdentityCertificateData), NULL);
 673     } else {
 674         itemValue = SecTokenItemValueCopy(CFDictionaryGetValue(attributes, kSecValueData), NULL);
 675     }
 676     require(itemValue, out);
 677     CFDataRef oid = CFDictionaryGetValue(itemValue, kSecTokenValueObjectIDKey);
 678     require(oid, out);
 679     CFArrayRef array = CFArrayCreateForCFTypes(kCFAllocatorDefault, class, tokenId, oid, NULL);
 680     tokenPersistentRef = CFPropertyListCreateDERData(kCFAllocatorDefault, array, NULL);
 681     CFRelease(array);
 682 out:
 683     CFReleaseNull(itemValue);
 684     return tokenPersistentRef;
 685 }
 686
 687 static const uint8_t tk_persistent_ref_id[] = {'t', 'k', 'p', 'r'};
 688 /* A persistent ref is just the class and the rowid of the record.
 689    Persistent ref for token items is a der blob with class, tokenID and objectId. */
 690 CFDataRef _SecItemCreatePersistentRef(CFTypeRef class, sqlite_int64 rowid, CFDictionaryRef attributes)
 691 {
 692     CFDataRef result = NULL;
 693     if (attributes && CFDictionaryContainsKey(attributes, CFEqual(class, kSecClassIdentity) ? kSecAttrIdentityCertificateTokenID : kSecAttrTokenID)) {
 694         CFDataRef tokenPersistentRef = CreateTokenPersistentRefData(class, attributes);
 695         require(tokenPersistentRef, out);
 696         CFMutableDataRef tmpData = CFDataCreateMutable(kCFAllocatorDefault, sizeof(tk_persistent_ref_id) + CFDataGetLength(tokenPersistentRef));
 697         CFDataAppendBytes(tmpData, tk_persistent_ref_id, sizeof(tk_persistent_ref_id));
 698         CFDataAppend(tmpData, tokenPersistentRef);
 699         CFReleaseNull(tokenPersistentRef);
 700         result = tmpData;
 701     } else {
 702         require(rowid >= 0, out);
 703         uint8_t bytes[sizeof(sqlite_int64) + 4];
 704         if (CFStringGetCString(class, (char *)bytes, 4 + 1 /*null-term*/,
 705             kCFStringEncodingUTF8))
 706         {
 707             OSWriteBigInt64(bytes + 4, 0, rowid);
 708             result = CFDataCreate(NULL, bytes, sizeof(bytes));
 709         }
 710     }
 711 out:
 712     return result;
 713 }
 714
 715 static Boolean isValidClass(CFStringRef class, CFStringRef *return_class) {
 716     const void *valid_classes[] = { kSecClassGenericPassword,
 717         kSecClassInternetPassword,
 718         kSecClassAppleSharePassword,
 719         kSecClassCertificate,
 720         kSecClassKey,
 721         kSecClassIdentity };
 722
 723     for (size_t i = 0; i < array_size(valid_classes); i++) {
 724         if (CFEqual(valid_classes[i], class)) {
 725             if (return_class)
 726                 *return_class = valid_classes[i];
 727             return true;
 728         }
 729     }
 730
 731     return false;
 732 }
 733
 734 static bool ParseTokenPersistentRefData(CFDataRef persistent_ref, CFStringRef *return_class, CFDictionaryRef *return_token_attrs) {
 735     bool valid_ref = false;
 736     CFPropertyListRef pl = NULL;
 737     const uint8_t *der = CFDataGetBytePtr(persistent_ref) + sizeof(tk_persistent_ref_id);
 738     const uint8_t *der_end = der + (CFDataGetLength(persistent_ref) - sizeof(tk_persistent_ref_id));
 739     require_quiet(der = der_decode_plist(0, kCFPropertyListImmutable, &pl, NULL, der, der_end), out);
 740     require_quiet(der == der_end, out);
 741     require_quiet(CFGetTypeID(pl) == CFArrayGetTypeID(), out);
 742     require_quiet(CFArrayGetCount(pl) == 3, out);
 743     require_quiet(valid_ref = isValidClass(CFArrayGetValueAtIndex(pl, 0), return_class), out);
 744     if (return_token_attrs) {
 745             *return_token_attrs = CFDictionaryCreateForCFTypes(kCFAllocatorDefault,
 746                                                                kSecAttrTokenID, CFArrayGetValueAtIndex(pl, 1),
 747                                                                kSecAttrTokenOID, CFArrayGetValueAtIndex(pl, 2), NULL);
 748     }
 749 out:
 750     CFReleaseNull(pl);
 751     return valid_ref;
 752 }
 753
 754 /* AUDIT[securityd](done):
 755    persistent_ref (ok) is a caller provided, non NULL CFTypeRef.
 756  */
 757 bool _SecItemParsePersistentRef(CFDataRef persistent_ref, CFStringRef *return_class, sqlite_int64 *return_rowid, CFDictionaryRef *return_token_attrs)
 758 {
 759         bool valid_ref = false;
 760     require(CFGetTypeID(persistent_ref) == CFDataGetTypeID(), out);
 761
 762     if (CFDataGetLength(persistent_ref) > (CFIndex)sizeof(tk_persistent_ref_id) &&
 763         memcmp(tk_persistent_ref_id, CFDataGetBytePtr(persistent_ref), sizeof(tk_persistent_ref_id)) == 0) {
 764         valid_ref = ParseTokenPersistentRefData(persistent_ref, return_class, return_token_attrs);
 765     } else if (CFDataGetLength(persistent_ref) == (CFIndex)(sizeof(sqlite_int64) + 4)) {
 766         const uint8_t *bytes = CFDataGetBytePtr(persistent_ref);
 767         sqlite_int64 rowid = OSReadBigInt64(bytes + 4, 0);
 768
 769         CFStringRef class = CFStringCreateWithBytes(kCFAllocatorDefault,
 770             bytes, CFStringGetLength(kSecClassGenericPassword),
 771             kCFStringEncodingUTF8, true);
 772
 773         if ((valid_ref = isValidClass(class, return_class))) {
 774             if (return_rowid)
 775                 *return_rowid = rowid;
 776         }
 777         CFRelease(class);
 778     }
 779 out:
 780     return valid_ref;
 781 }
 782
 783 static bool cf_bool_value(CFTypeRef cf_bool) {
 784         return cf_bool && CFBooleanGetValue(cf_bool);
 785 }
 786
 787 CFMutableDictionaryRef SecCFDictionaryCOWGetMutable(SecCFDictionaryCOW *cow_dictionary) {
 788     if (cow_dictionary->mutable_dictionary == NULL) {
 789         cow_dictionary->mutable_dictionary = CFDictionaryCreateMutableForCFTypes(NULL);
 790         if (cow_dictionary->dictionary != NULL) {
 791             CFDictionaryForEach(cow_dictionary->dictionary, ^(const void *key, const void *value) {
 792                 CFDictionarySetValue(cow_dictionary->mutable_dictionary, key, value);
 793             });
 794         }
 795         cow_dictionary->dictionary = cow_dictionary->mutable_dictionary;
 796     }
 797
 798     return cow_dictionary->mutable_dictionary;
 799 }
 800
 801 // Creates kSecValueData field stored in the DB for token-based items.  Data field consists of objectID, real
 802 // access_control and optionally of the data value.
 803 static CFDataRef SecTokenItemValueCreate(CFDataRef oid, CFDataRef access_control, CFDataRef object_value, CFErrorRef *error) {
 804     CFMutableDictionaryRef value = NULL;
 805     value = CFDictionaryCreateMutableForCFTypesWith(NULL,
 806                                                     kSecTokenValueObjectIDKey, oid,
 807                                                     kSecTokenValueAccessControlKey, access_control,
 808                                                     NULL);
 809     if (object_value != NULL) {
 810         CFDictionarySetValue(value, kSecTokenValueDataKey, object_value);
 811     }
 812
 813     CFDataRef value_data = CFPropertyListCreateDERData(NULL, value, error);
 814     CFRelease(value);
 815     return value_data;
 816 }
 817
 818 CFDictionaryRef SecTokenItemValueCopy(CFDataRef db_value, CFErrorRef *error) {
 819     CFPropertyListRef plist = NULL;
 820     const uint8_t *der = CFDataGetBytePtr(db_value);
 821     const uint8_t *der_end = der + CFDataGetLength(db_value);
 822     require_quiet(der = der_decode_plist(0, kCFPropertyListImmutable, &plist, error, der, der_end), out);
 823     require_action_quiet(der == der_end, out, SecError(errSecDecode, error, CFSTR("trailing garbage at end of token data field")));
 824     require_action_quiet(CFDictionaryGetValue(plist, kSecTokenValueObjectIDKey) != NULL, out,
 825                          SecError(errSecInternal, error, CFSTR("token based item data does not have OID")));
 826
 827 out:
 828     return plist;
 829 }
 830
 831 TKTokenRef SecTokenCreate(CFStringRef token_id, CFDictionaryRef auth_params, CFErrorRef *error) {
 832     CFMutableDictionaryRef token_attrs = NULL;
 833     TKTokenRef token = NULL;
 834     token_attrs = (auth_params != NULL) ?
 835         CFDictionaryCreateMutableCopy(NULL, 0, auth_params) :
 836         CFDictionaryCreateMutableForCFTypes(NULL);
 837     CFDictionarySetValue(token_attrs, kSecAttrTokenID, token_id);
 838
 839     CFDictionaryRemoveValue(token_attrs, kSecUseAuthenticationContext);
 840     token = TKTokenCreate(token_attrs, error);
 841
 842     CFReleaseSafe(token_attrs);
 843     return token;
 844 }
 845
 846 static bool SecTokenItemCreateFromAttributes(CFDictionaryRef attributes, CFDictionaryRef auth_params,
 847                                              TKTokenRef token, CFDataRef object_id, CFTypeRef *ref, CFErrorRef *error) {
 848     bool ok = false;
 849     CFMutableDictionaryRef attrs = CFDictionaryCreateMutableCopy(NULL, 0, attributes);
 850     CFTypeRef token_id = CFDictionaryGetValue(attributes, kSecAttrTokenID);
 851     if (token_id != NULL && object_id != NULL) {
 852         if (CFRetainSafe(token) == NULL) {
 853             require_quiet(token = SecTokenCreate(token_id, auth_params, error), out);
 854         }
 855
 856         if (auth_params != NULL) {
 857             CFDictionaryForEach(auth_params, ^(const void *key, const void *value) {
 858                 CFDictionaryAddValue(attrs, key, value);
 859             });
 860         }
 861         CFDictionarySetValue(attrs, kSecUseToken, token);
 862         CFDictionarySetValue(attrs, kSecAttrTokenOID, object_id);
 863         CFRelease(token);
 864     }
 865     *ref = SecItemCreateFromAttributeDictionary(attrs);
 866     ok = true;
 867
 868 out:
 869     CFReleaseSafe(attrs);
 870     return ok;
 871 }
 872
 873
 874 /* Turn the returned single value or dictionary that contains all the attributes to create a
 875  ref into the exact result the client asked for */
 876 static bool SecItemResultCopyPrepared(CFTypeRef raw_result, TKTokenRef token,
 877                                       CFDictionaryRef query, CFDictionaryRef auth_params,
 878                                       CFTypeRef *result, CFErrorRef *error) {
 879     bool ok = false;
 880     CFDataRef ac_data = NULL;
 881     CFDataRef value = NULL;
 882     CFTypeRef persistent_ref = NULL;
 883     CFStringRef token_id = NULL;
 884     CFStringRef cert_token_id = NULL;
 885     CFDataRef object_id = NULL;
 886     CFMutableDictionaryRef attrs = NULL;
 887     CFDataRef cert_data = NULL;
 888     CFDataRef cert_object_id = NULL;
 889     TKTokenRef cert_token = NULL;
 890
 891     bool wants_ref = cf_bool_value(CFDictionaryGetValue(query, kSecReturnRef));
 892     bool wants_data = cf_bool_value(CFDictionaryGetValue(query, kSecReturnData));
 893     bool wants_attributes = cf_bool_value(CFDictionaryGetValue(query, kSecReturnAttributes));
 894     bool wants_persistent_ref = cf_bool_value(CFDictionaryGetValue(query, kSecReturnPersistentRef));
 895
 896     // Get token value if not provided by the caller.
 897     bool token_item = false;
 898     bool cert_token_item = false;
 899     if (token == NULL) {
 900         if (CFGetTypeID(raw_result) == CFDictionaryGetTypeID()) {
 901             token_id = CFDictionaryGetValue(raw_result, kSecAttrTokenID);
 902             token_item = (token_id != NULL);
 903
 904             cert_token_id = CFDictionaryGetValue(raw_result, kSecAttrIdentityCertificateTokenID);
 905             cert_token_item = (cert_token_id != NULL);
 906         }
 907     } else {
 908         token_item = true;
 909         cert_token_item = true;
 910         CFRetain(token);
 911         CFRetainAssign(cert_token, token);
 912     }
 913
 914     if ((token_item || cert_token_item) && cf_bool_value(CFDictionaryGetValue(query, kSecUseTokenRawItems))) {
 915         token_item = false;
 916         cert_token_item = false;
 917     }
 918
 919     // Decode and prepare data value, if it is requested at the output, or if we want attributes from token.
 920     if (wants_data || wants_ref || (token_item && wants_attributes)) {
 921         if (CFGetTypeID(raw_result) == CFDictionaryGetTypeID())
 922             value = CFRetainSafe(CFDictionaryGetValue(raw_result, kSecValueData));
 923         else
 924             value = CFRetainSafe(raw_result);
 925         if (token_item && value != NULL) {
 926             // Parse token-based item's data field.
 927             CFDataRef object_value = NULL;
 928             CFDictionaryRef parsed_value = NULL;
 929             require_quiet(parsed_value = SecTokenItemValueCopy(value, error), out);
 930             object_id = CFRetainSafe(CFDictionaryGetValue(parsed_value, kSecTokenValueObjectIDKey));
 931             ac_data = CFRetainSafe(CFDictionaryGetValue(parsed_value, kSecTokenValueAccessControlKey));
 932             object_value = CFRetainSafe(CFDictionaryGetValue(parsed_value, kSecTokenValueDataKey));
 933             CFRelease(parsed_value);
 934             if ((wants_data || wants_ref) && object_value == NULL) {
 935                 // Retrieve value directly from the token.
 936                 if (token == NULL) {
 937                     require_quiet(token = SecTokenCreate(token_id, auth_params, error), out);
 938                 }
 939                 require_quiet(object_value = TKTokenCopyObjectData(token, object_id, error), out);
 940                 if (CFEqual(object_value, kCFNull))
 941                     CFReleaseNull(object_value);
 942             }
 943             CFAssignRetained(value, object_value);
 944         }
 945
 946         // If only thing requested is data, return them directly.
 947         if (!(wants_attributes || wants_persistent_ref || wants_ref)) {
 948             *result = CFRetainSafe(value);
 949             ok = true;
 950             goto out;
 951         }
 952     }
 953
 954     // Extract persistent_ref, if caller wants it.
 955     if (wants_persistent_ref) {
 956         if (CFGetTypeID(raw_result) == CFDictionaryGetTypeID())
 957             persistent_ref = CFRetainSafe(CFDictionaryGetValue(raw_result, kSecValuePersistentRef));
 958         else
 959             persistent_ref = CFRetainSafe(raw_result);
 960
 961         // If only thing requested is persistentref, extract it from dictionary if needed and return it.
 962         if (!(wants_attributes || wants_data || wants_ref)) {
 963             *result = CFRetainSafe(persistent_ref);
 964             ok = true;
 965             goto out;
 966         }
 967     }
 968
 969     if (!wants_ref && !wants_attributes && (!wants_data || !wants_persistent_ref)) {
 970         *result = NULL;
 971         ok = true;
 972         goto out;
 973     }
 974
 975     // For other cases we need an output dictionary.
 976     if (CFGetTypeID(raw_result) == CFDictionaryGetTypeID())
 977         *result = CFDictionaryCreateMutableCopy(NULL, 0, raw_result);
 978     else
 979         *result = CFDictionaryCreateForCFTypes(NULL, NULL);
 980     CFMutableDictionaryRef output = (CFMutableDictionaryRef)*result;
 981
 982     if ((wants_data || wants_ref) && value != NULL)
 983         CFDictionarySetValue(output, kSecValueData, value);
 984     else
 985         CFDictionaryRemoveValue(output, kSecValueData);
 986
 987     if (wants_persistent_ref && persistent_ref != NULL)
 988         CFDictionarySetValue(output, kSecValuePersistentRef, persistent_ref);
 989     else
 990         CFDictionaryRemoveValue(output, kSecValuePersistentRef);
 991
 992     if ((wants_ref || wants_attributes) && cert_token_item &&
 993         CFEqualSafe(CFDictionaryGetValue(output, kSecClass), kSecClassIdentity)) {
 994         // Decode also certdata field of the identity.
 995         CFDataRef data = CFDictionaryGetValue(output, kSecAttrIdentityCertificateData);
 996         if (data != NULL) {
 997             CFDictionaryRef parsed_value;
 998             require_quiet(parsed_value = SecTokenItemValueCopy(data, error), out);
 999             cert_data = CFRetainSafe(CFDictionaryGetValue(parsed_value, kSecTokenValueDataKey));
1000             cert_object_id = CFRetainSafe(CFDictionaryGetValue(parsed_value, kSecTokenValueObjectIDKey));
1001             CFRelease(parsed_value);
1002             if (cert_data == NULL) {
1003                 // Retrieve value directly from the token.
1004                 if (cert_token == NULL) {
1005                     require_quiet(cert_token = SecTokenCreate(cert_token_id, auth_params, error), out);
1006                 }
1007                 require_quiet(cert_data = TKTokenCopyObjectData(cert_token, cert_object_id, error), out);
1008                 if (CFEqual(cert_data, kCFNull))
1009                     CFReleaseNull(cert_data);
1010             }
1011             if (cert_data != NULL) {
1012                 CFDictionarySetValue(output, kSecAttrIdentityCertificateData, cert_data);
1013             } else {
1014                 CFDictionaryRemoveValue(output, kSecAttrIdentityCertificateData);
1015             }
1016         }
1017     }
1018
1019     if (wants_ref || wants_attributes) {
1020         // Convert serialized form of access control to object form.
1021         if (!token_item) {
1022             CFRetainAssign(ac_data, CFDictionaryGetValue(output, kSecAttrAccessControl));
1023         }
1024
1025         if (ac_data != NULL) {
1026             SecAccessControlRef ac;
1027             require_quiet(ac = SecAccessControlCreateFromData(kCFAllocatorDefault, ac_data, error), out);
1028             CFDictionarySetValue(output, kSecAttrAccessControl, ac);
1029             CFRelease(ac);
1030         }
1031     }
1032
1033     if (wants_ref) {
1034         CFTypeRef ref;
1035         require_quiet(SecTokenItemCreateFromAttributes(output, auth_params, token, object_id, &ref, error), out);
1036         if (!(wants_attributes || wants_data || wants_persistent_ref)) {
1037             CFAssignRetained(*result, ref);
1038         } else if (ref != NULL) {
1039             CFDictionarySetValue(output, kSecValueRef, ref);
1040             CFRelease(ref);
1041             if (!wants_data) {
1042                 // We could have stored data value previously to make ref creation succeed.
1043                 // They are not needed any more and in case that caller did not want the data, avoid returning them.
1044                 CFDictionaryRemoveValue(output, kSecValueData);
1045             }
1046         }
1047     }
1048
1049     ok = true;
1050
1051 out:
1052     CFReleaseSafe(cert_object_id);
1053     CFReleaseSafe(cert_data);
1054     CFReleaseSafe(ac_data);
1055     CFReleaseSafe(value);
1056     CFReleaseSafe(persistent_ref);
1057     CFReleaseSafe(object_id);
1058     CFReleaseSafe(attrs);
1059     CFReleaseSafe(token);
1060     CFReleaseSafe(cert_token);
1061     return ok;
1062 }
1063
1064 bool SecItemResultProcess(CFDictionaryRef query, CFDictionaryRef auth_params, TKTokenRef token,
1065                                  CFTypeRef raw_result, CFTypeRef *result, CFErrorRef *error) {
1066     bool ok = false;
1067     require_action_quiet(raw_result != NULL, out, ok = true);
1068     require_action_quiet(result != NULL, out, ok = true);
1069
1070     if (CFGetTypeID(raw_result) == CFArrayGetTypeID()) {
1071         CFIndex i, count = CFArrayGetCount(raw_result);
1072         *result = CFArrayCreateMutableForCFTypes(NULL);
1073         for (i = 0; i < count; i++) {
1074             CFTypeRef ref;
1075             require_quiet(SecItemResultCopyPrepared(CFArrayGetValueAtIndex(raw_result, i),
1076                                                     token, query, auth_params, &ref, error), out);
1077             if (ref != NULL) {
1078                 CFArrayAppendValue((CFMutableArrayRef)*result, ref);
1079                 CFRelease(ref);
1080             }
1081         }
1082     } else {
1083         require_quiet(SecItemResultCopyPrepared(raw_result, token, query, auth_params, result, error), out);
1084     }
1085
1086     ok = true;
1087
1088 out:
1089     return ok;
1090 }
1091
1092 CFDataRef SecItemAttributesCopyPreparedAuthContext(CFTypeRef la_context, CFErrorRef *error) {
1093     void *la_lib = NULL;
1094     CFDataRef acm_context = NULL;
1095     require_action_quiet(la_lib = dlopen("/System/Library/Frameworks/LocalAuthentication.framework/LocalAuthentication", RTLD_LAZY), out,
1096                          SecError(errSecInternal, error, CFSTR("failed to open LocalAuthentication.framework")));
1097     LAFunctionCopyExternalizedContext fnCopyExternalizedContext = NULL;
1098     require_action_quiet(fnCopyExternalizedContext = dlsym(la_lib, "LACopyExternalizedContext"), out,
1099                          SecError(errSecInternal, error, CFSTR("failed to obtain LACopyExternalizedContext")));
1100     require_action_quiet(acm_context = fnCopyExternalizedContext(la_context), out,
1101                          SecError(errSecInternal, error, CFSTR("failed to get ACM handle from LAContext")));
1102 out:
1103     if (la_lib != NULL) {
1104         dlclose(la_lib);
1105     }
1106     return acm_context;
1107 }
1108
1109 static bool SecItemAttributesPrepare(SecCFDictionaryCOW *attrs, bool forQuery, CFErrorRef *error) {
1110     bool ok = false;
1111     CFDataRef ac_data = NULL, acm_context = NULL;
1112     void *la_lib = NULL;
1113
1114     // If a ref was specified we get its attribute dictionary and parse it.
1115     CFTypeRef value = CFDictionaryGetValue(attrs->dictionary, kSecValueRef);
1116     if (value) {
1117         CFDictionaryRef ref_attributes;
1118         require_action_quiet(ref_attributes = SecItemCopyAttributeDictionary(value, forQuery), out,
1119                              SecError(errSecValueRefUnsupported, error, CFSTR("unsupported kSecValueRef in query")));
1120
1121         // Replace any attributes we already got from the ref with the ones from the attributes dictionary the caller passed us.
1122         // This allows a caller to add an item using attributes from the ref and still override some of them in the dictionary directly.
1123         CFDictionaryForEach(ref_attributes, ^(const void *key, const void *value) {
1124             // Attributes already present in 'attrs' have precedence over the generic ones retrieved from the ref,
1125             // so add only those attributes from 'ref' which are missing in attrs.
1126             CFDictionaryAddValue(SecCFDictionaryCOWGetMutable(attrs), key, value);
1127         });
1128         CFRelease(ref_attributes);
1129
1130         if (forQuery) {
1131             CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(attrs), kSecAttrTokenOID);
1132         }
1133
1134         // Remove original expanded valueRef. Do not remove it in case when adding token item, because it is needed later to avoid
1135         // another roundtrip to token driver.
1136         if (forQuery || !CFDictionaryContainsKey(attrs->dictionary, kSecAttrTokenID)) {
1137             CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(attrs), kSecValueRef);
1138         }
1139     }
1140
1141     SecAccessControlRef access_control = (SecAccessControlRef)CFDictionaryGetValue(attrs->dictionary, kSecAttrAccessControl);
1142     if (access_control != NULL) {
1143         require_quiet(ac_data = SecAccessControlCopyData(access_control), out);
1144         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attrs), kSecAttrAccessControl, ac_data);
1145     }
1146
1147     const CFTypeRef la_context = CFDictionaryGetValue(attrs->dictionary, kSecUseAuthenticationContext);
1148     if (la_context) {
1149         require_action_quiet(!CFDictionaryContainsKey(attrs->dictionary, kSecUseCredentialReference), out,
1150                              SecError(errSecParam, error, CFSTR("kSecUseAuthenticationContext cannot be used together with kSecUseCredentialReference")));
1151         require_quiet(acm_context = SecItemAttributesCopyPreparedAuthContext(la_context, error), out);
1152         CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(attrs), kSecUseAuthenticationContext);
1153         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attrs), kSecUseCredentialReference, acm_context);
1154     }
1155
1156     CFTypeRef policy = CFDictionaryGetValue(attrs->dictionary, kSecMatchPolicy);
1157     if (policy) {
1158         require_action_quiet(CFGetTypeID(policy) == SecPolicyGetTypeID(), out,
1159                              SecError(errSecParam, error, CFSTR("unsupported kSecMatchPolicy in query")));
1160
1161         CFTypeRef values[] = { policy };
1162         CFArrayRef policiesArray = CFArrayCreate(kCFAllocatorDefault, values, 1, &kCFTypeArrayCallBacks);
1163         xpc_object_t policiesArrayXPC = SecPolicyArrayCopyXPCArray(policiesArray, error);
1164         CFReleaseSafe(policiesArray);
1165         require_action_quiet(policiesArrayXPC, out,
1166                              SecError(errSecInternal, error, CFSTR("Failed to copy XPC policy")));
1167
1168         CFTypeRef objectReadyForXPC = _CFXPCCreateCFObjectFromXPCObject(policiesArrayXPC);
1169         xpc_release(policiesArrayXPC);
1170         require_action_quiet(objectReadyForXPC, out,
1171                              SecError(errSecInternal, error, CFSTR("Failed to create CFObject from XPC policy")));
1172
1173         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attrs), kSecMatchPolicy, objectReadyForXPC);
1174         CFRelease(objectReadyForXPC);
1175     }
1176     value = CFDictionaryGetValue(attrs->dictionary, kSecAttrIssuer);
1177     if (value) {
1178         /* convert DN to canonical issuer, if value is DN (top level sequence) */
1179         const DERItem name = { (unsigned char *)CFDataGetBytePtr(value), CFDataGetLength(value) };
1180         DERDecodedInfo content;
1181         if (DERDecodeItem(&name, &content) == DR_Success && content.tag == ASN1_CONSTR_SEQUENCE) {
1182             CFDataRef canonical_issuer = createNormalizedX501Name(kCFAllocatorDefault, &content.content);
1183             if (canonical_issuer) {
1184                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attrs), kSecAttrIssuer, canonical_issuer);
1185                 CFRelease(canonical_issuer);
1186             }
1187         }
1188     }
1189
1190     if (CFDictionaryContainsKey(attrs->dictionary, kSecUseTokenRawItems)) {
1191         // This use flag is client-only, securityd does not understand it.
1192         CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(attrs), kSecUseTokenRawItems);
1193     }
1194
1195     ok = true;
1196
1197 out:
1198     if (la_lib != NULL) {
1199         dlclose(la_lib);
1200     }
1201     CFReleaseSafe(ac_data);
1202     CFReleaseSafe(acm_context);
1203     return ok;
1204 }
1205
1206 static bool SecItemAuthMaxAttemptsReached(CFArrayRef ac_pairs, CFErrorRef *error)
1207 {
1208     CFMutableStringRef log_string = CFStringCreateMutable(kCFAllocatorDefault, 0);
1209     CFArrayRef ac_pair;
1210     CFArrayForEachC(ac_pairs, ac_pair) {
1211         CFStringRef acl_hex_string = CFDataCopyHexString(CFArrayGetValueAtIndex(ac_pair, 0));
1212         CFStringRef str = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("operation: %@ acl:%@\n"), CFArrayGetValueAtIndex(ac_pair, 1), acl_hex_string);
1213         CFStringAppend(log_string, str);
1214         CFRelease(acl_hex_string);
1215         CFRelease(str);
1216     }
1217
1218     CFStringRef reason = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("Reached maximum count of authentication attempts\n %@"), log_string);
1219     SecError(errSecAuthFailed, error, CFSTR("%@"), reason);
1220     __security_simulatecrash(reason, __sec_exception_code_AuthLoop);
1221     CFRelease(reason);
1222     CFRelease(log_string);
1223     return false;
1224 }
1225
1226 bool SecItemAuthDo(SecCFDictionaryCOW *auth_params, CFErrorRef *error, SecItemAuthResult (^perform)(CFArrayRef *ac_pairs, CFErrorRef *error),
1227                    void (^newCredentialRefAdded)()) {
1228     bool ok = false;
1229     CFArrayRef ac_pairs = NULL;
1230     SecCFDictionaryCOW auth_options = { NULL };
1231     // We need to create shared LAContext for Mail to reduce popups with Auth UI.
1232     // This app-hack will be removed by:<rdar://problem/28305552>
1233     // Similar workaround is for Safari, will be removed by fixing <rdar://problem/29683072>
1234     static CFTypeRef sharedLAContext = NULL;
1235     static CFDataRef sharedACMContext = NULL;
1236     static dispatch_once_t onceToken;
1237     dispatch_once(&onceToken, ^{
1238         CFBundleRef bundle = CFBundleGetMainBundle();
1239         CFStringRef bundleName = (bundle != NULL) ? CFBundleGetIdentifier(bundle) : NULL;
1240         if (CFEqualSafe(bundleName, CFSTR("com.apple.mail")) ||
1241             CFEqualSafe(bundleName, CFSTR("com.apple.WebKit.Networking"))) {
1242             sharedLAContext = LACreateNewContextWithACMContext(NULL, error);
1243             sharedACMContext = (sharedLAContext != NULL) ? LACopyACMContext(sharedLAContext, error) : NULL;
1244         }
1245     });
1246     if (sharedLAContext && sharedACMContext &&
1247         (auth_params->dictionary == NULL || (CFDictionaryGetValue(auth_params->dictionary, kSecUseAuthenticationContext) == NULL &&
1248                                              CFDictionaryGetValue(auth_params->dictionary, kSecUseCredentialReference) == NULL))) {
1249         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseAuthenticationContext, sharedLAContext);
1250         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseCredentialReference, sharedACMContext);
1251     }
1252
1253     for (uint32_t i = 0;; ++i) {
1254         // If the operation succeeded or failed with other than auth-needed error, just leave.
1255         SecItemAuthResult auth_result = perform(&ac_pairs, error);
1256         require_quiet(auth_result != kSecItemAuthResultError, out);
1257         require_action_quiet(auth_result == kSecItemAuthResultNeedAuth, out, ok = true);
1258
1259         // If auth_params were not created up to now, do create them because we will definitely need them.
1260         SecCFDictionaryCOWGetMutable(auth_params);
1261
1262         // Retrieve or create authentication handle and/or ACM context.
1263         CFTypeRef auth_handle = CFDictionaryGetValue(auth_params->dictionary, kSecUseAuthenticationContext);
1264         if (auth_handle == NULL) {
1265             CFDataRef acm_context = CFDictionaryGetValue(auth_params->dictionary, kSecUseCredentialReference);
1266             require_quiet(auth_handle = LACreateNewContextWithACMContext(acm_context, error), out);
1267             CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseAuthenticationContext, auth_handle);
1268             CFRelease(auth_handle);
1269             if (acm_context == NULL) {
1270                 require_quiet(acm_context = LACopyACMContext(auth_handle, error), out);
1271                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseCredentialReference, acm_context);
1272                 CFRelease(acm_context);
1273                 if (newCredentialRefAdded) {
1274                     newCredentialRefAdded();
1275                 }
1276             }
1277         }
1278
1279         // Throttle max authentication attempts.  This is mainly protection against exceptional states, not ordinary
1280         // user retry limit.
1281         require_action(i < 20, out, SecItemAuthMaxAttemptsReached(ac_pairs, error));
1282
1283         // Prepare auth options dictionary.
1284         if (auth_options.dictionary == NULL) {
1285             CFStringRef operation_prompt = CFDictionaryGetValue(auth_params->dictionary, kSecUseOperationPrompt);
1286             if (operation_prompt != NULL) {
1287                 CFNumberRef key = CFNumberCreateWithCFIndex(NULL, kLAOptionAuthenticationReason);
1288                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(&auth_options), key, operation_prompt);
1289                 CFRelease(key);
1290             }
1291
1292             CFStringRef caller_name = CFDictionaryGetValue(auth_params->dictionary, kSecUseCallerName);
1293             if (caller_name != NULL) {
1294                 CFNumberRef key = CFNumberCreateWithCFIndex(NULL, kLAOptionCallerName);
1295                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(&auth_options), key, caller_name);
1296                 CFRelease(key);
1297             }
1298
1299             CFTypeRef auth_ui = CFDictionaryGetValue(auth_params->dictionary, kSecUseAuthenticationUI);
1300             if (CFEqualSafe(auth_ui, kSecUseAuthenticationUIFail)) {
1301                 CFNumberRef key = CFNumberCreateWithCFIndex(NULL, kLAOptionNotInteractive);
1302                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(&auth_options), key, kCFBooleanTrue);
1303                 CFRelease(key);
1304             }
1305         }
1306
1307         // Go through all access_control-operation pairs and evaluate them.
1308         CFArrayRef ac_pair;
1309         CFArrayForEachC(ac_pairs, ac_pair) {
1310             CFDataRef updated_acl = NULL;
1311             require_quiet(LAEvaluateAndUpdateACL(auth_handle,
1312                                                  CFArrayGetValueAtIndex(ac_pair, 0), CFArrayGetValueAtIndex(ac_pair, 1),
1313                                                  auth_options.dictionary, &updated_acl, error), out);
1314
1315             if (updated_acl || CFEqual(CFArrayGetValueAtIndex(ac_pair, 1), CFSTR(""))) {
1316                 // we assume that only one ACL can be modified during ItemAdd or ItemUpdate
1317                 SecAccessControlRef ac = NULL;
1318                 require(ac = SecAccessControlCreateFromData(kCFAllocatorDefault,
1319                                                             updated_acl ? updated_acl : CFArrayGetValueAtIndex(ac_pair, 0), error), out);
1320                 SecAccessControlSetBound(ac, true);
1321                 CFAssignRetained(updated_acl, SecAccessControlCopyData(ac));
1322                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecAttrAccessControl, updated_acl);
1323                 CFRelease(updated_acl);
1324                 CFRelease(ac);
1325             }
1326         }
1327     }
1328
1329     ok = true;
1330
1331 out:
1332     CFReleaseSafe(auth_options.mutable_dictionary);
1333     CFReleaseSafe(ac_pairs);
1334     return ok;
1335 }
1336
1337 void SecItemAuthCopyParams(SecCFDictionaryCOW *auth_params, SecCFDictionaryCOW *query) {
1338     // Store operation prompt.
1339     CFStringRef operation_prompt = CFDictionaryGetValue(query->dictionary, kSecUseOperationPrompt);
1340     if (operation_prompt != NULL) {
1341         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseOperationPrompt, operation_prompt);
1342         CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(query), kSecUseOperationPrompt);
1343     }
1344
1345     // Store caller name.
1346     CFStringRef caller_name = CFDictionaryGetValue(query->dictionary, kSecUseCallerName);
1347     if (caller_name != NULL) {
1348         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseCallerName, caller_name);
1349         CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(query), kSecUseCallerName);
1350     }
1351
1352     // Find out whether we are allowed to pop up a UI.
1353     CFTypeRef auth_ui = CFDictionaryGetValue(query->dictionary, kSecUseAuthenticationUI) ?:
1354     (CFEqualSafe(CFDictionaryGetValue(query->dictionary, kSecUseNoAuthenticationUI), kCFBooleanTrue) ?
1355      kSecUseAuthenticationUIFail : kSecUseAuthenticationUIAllow);
1356     if (!CFEqual(auth_ui, kSecUseAuthenticationUISkip) || CFDictionaryGetValue(query->dictionary, kSecUseNoAuthenticationUI)) {
1357         if (CFDictionaryContainsKey(query->dictionary, kSecUseNoAuthenticationUI))
1358             CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(query), kSecUseNoAuthenticationUI);
1359         if (!CFEqualSafe(auth_ui, kSecUseAuthenticationUISkip) && CFDictionaryContainsKey(query->dictionary, kSecUseAuthenticationUI))
1360             CFDictionaryRemoveValue(SecCFDictionaryCOWGetMutable(query), kSecUseAuthenticationUI);
1361     }
1362
1363     if (!CFEqual(auth_ui, kSecUseAuthenticationUIAllow)) {
1364         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseAuthenticationUI, auth_ui);
1365     }
1366
1367     CFDataRef acm_context = CFDictionaryGetValue(query->dictionary, kSecUseCredentialReference);
1368     if (acm_context != NULL) {
1369         CFDictionarySetValue(SecCFDictionaryCOWGetMutable(auth_params), kSecUseCredentialReference, acm_context);
1370     }
1371 }
1372
1373 static SecItemAuthResult SecItemCreatePairsFromError(CFErrorRef *error, CFArrayRef *ac_pairs)
1374 {
1375     if (error && *error && CFErrorGetCode(*error) == errSecAuthNeeded && CFEqualSafe(CFErrorGetDomain(*error), kSecErrorDomain)) {
1376         // Extract ACLs to be verified from the error.
1377         CFDictionaryRef user_info = CFErrorCopyUserInfo(*error);
1378         CFNumberRef key = CFNumberCreateWithCFIndex(NULL, errSecAuthNeeded);
1379         CFRetainAssign(*ac_pairs, CFDictionaryGetValue(user_info, key));
1380         if (*ac_pairs == NULL)
1381             CFAssignRetained(*ac_pairs, CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks));
1382
1383         CFRelease(key);
1384         CFRelease(user_info);
1385         CFReleaseNull(*error);
1386         return kSecItemAuthResultNeedAuth;
1387     }
1388     return kSecItemAuthResultError;
1389 }
1390
1391 // Wrapper to handle automatic authentication and token/secd case switching.
1392 bool SecItemAuthDoQuery(SecCFDictionaryCOW *query, SecCFDictionaryCOW *attributes, const void *secItemOperation, CFErrorRef *error,
1393                                    bool (^perform)(TKTokenRef token, CFDictionaryRef query, CFDictionaryRef attributes, CFDictionaryRef auth_params, CFErrorRef *error)) {
1394     bool ok = false;
1395     __block SecCFDictionaryCOW auth_params = { NULL };
1396     SecAccessControlRef access_control = NULL;
1397     __block TKTokenRef token = NULL;
1398
1399     if (secItemOperation == SecItemAdd || secItemOperation == SecItemUpdate) {
1400         CFDictionaryRef dict = attributes ? attributes->dictionary : query->dictionary;
1401         access_control = (SecAccessControlRef)CFDictionaryGetValue(dict, kSecAttrAccessControl);
1402         if (access_control && SecAccessControlGetConstraints(access_control) &&
1403             CFEqualSafe(CFDictionaryGetValue(dict, kSecAttrSynchronizable), kCFBooleanTrue))
1404             require_quiet(SecError(errSecParam, error, CFSTR("item with kSecAttrAccessControl is not synchronizable")), out);
1405     }
1406
1407     // Perform initial surgery on query/attributes (resolve LAContext to serialized ACM handle, resolve
1408     // SecAccessControlRef to serialized forms, expand kSecValueRef etc.)
1409     bool forQuery =
1410         secItemOperation == SecItemCopyMatching ||
1411         secItemOperation == SecItemUpdate ||
1412         secItemOperation == SecItemDelete;
1413
1414     require_quiet(SecItemAttributesPrepare(query, forQuery, error), out);
1415     if (attributes != NULL)
1416         require_quiet(SecItemAttributesPrepare(attributes, false, error), out);
1417
1418     // Populate auth_params dictionary according to initial query contents.
1419     SecItemAuthCopyParams(&auth_params, query);
1420
1421     if (secItemOperation != SecItemCopyMatching) {
1422         // UISkip is allowed only for CopyMatching.
1423         require_action_quiet(!CFEqualSafe(CFDictionaryGetValue(query->dictionary, kSecUseAuthenticationUI), kSecUseAuthenticationUISkip), out,
1424                              SecError(errSecParam, error,
1425                                       CFSTR("kSecUseAuthenticationUISkip is allowed only for SecItemCopyMatching")));
1426     }
1427
1428     ok = SecItemAuthDo(&auth_params, error, ^SecItemAuthResult(CFArrayRef *ac_pairs, CFErrorRef *error) {
1429         SecItemAuthResult result = kSecItemAuthResultError;
1430
1431         // Propagate actual credential reference to the query.
1432         if (auth_params.dictionary != NULL) {
1433             CFDataRef acm_context = CFDictionaryGetValue(auth_params.dictionary, kSecUseCredentialReference);
1434             if (acm_context != NULL) {
1435                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(query), kSecUseCredentialReference, acm_context);
1436             }
1437
1438             CFDataRef acl_data_ref = CFDictionaryGetValue(auth_params.dictionary, kSecAttrAccessControl);
1439             if (acl_data_ref != NULL) {
1440                 CFDictionarySetValue(SecCFDictionaryCOWGetMutable(attributes ?: query), kSecAttrAccessControl, acl_data_ref);
1441             }
1442         }
1443
1444         // Prepare connection to target token if it is present.
1445         CFStringRef token_id = CFDictionaryGetValue(query->dictionary, kSecAttrTokenID);
1446         if (secItemOperation != SecItemCopyMatching && token_id != NULL) {
1447             require_quiet(CFAssignRetained(token, SecTokenCreate(token_id, auth_params.dictionary, error)), out);
1448         }
1449
1450         CFDictionaryRef attrs = (attributes != NULL) ? attributes->dictionary : NULL;
1451         if(!perform(token, query->dictionary, attrs, auth_params.dictionary, error)) {
1452             require_quiet((result = SecItemCreatePairsFromError(error, ac_pairs)) == kSecItemAuthResultOK, out);
1453         }
1454
1455         result = kSecItemAuthResultOK;
1456
1457     out:
1458         return result;
1459     }, NULL);
1460     require_quiet(ok, out);
1461
1462     ok = true;
1463
1464 out:
1465     CFReleaseSafe(token);
1466     CFReleaseSafe(auth_params.mutable_dictionary);
1467     return ok;
1468 }
1469
1470 static bool cftype_to_bool_cftype_error_request(enum SecXPCOperation op, CFTypeRef attributes, CFTypeRef *result, CFErrorRef *error)
1471 {
1472     return securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
1473         return SecXPCDictionarySetPList(message, kSecXPCKeyQuery, attributes, error);
1474     }, ^bool(xpc_object_t response, CFErrorRef *error) {
1475         if (result) {
1476             return SecXPCDictionaryCopyPListOptional(response, kSecXPCKeyResult, result, error);
1477         }
1478         return true;
1479     });
1480 }
1481
1482 static CFArrayRef dict_to_array_error_request(enum SecXPCOperation op, CFDictionaryRef attributes, CFErrorRef *error)
1483 {
1484     CFArrayRef result = NULL;
1485     bool success = cftype_to_bool_cftype_error_request(op, attributes, (CFTypeRef*)&result, error);
1486     if(success && !isArray(result)){
1487         SecError(errSecUnimplemented, error, CFSTR("Unexpected nonarray returned: %@"), result);
1488         CFReleaseNull(result);
1489     }
1490     return result;
1491 }
1492
1493 bool cftype_client_to_bool_cftype_error_request(enum SecXPCOperation op, CFTypeRef attributes, __unused SecurityClient *client, CFTypeRef *result, CFErrorRef *error) {
1494     return cftype_to_bool_cftype_error_request(op, attributes, result, error);
1495 }
1496
1497 static bool dict_to_error_request(enum SecXPCOperation op, CFDictionaryRef query, CFErrorRef *error)
1498 {
1499     return securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
1500         return SecXPCDictionarySetPList(message, kSecXPCKeyQuery, query, error);
1501     }, NULL);
1502 }
1503
1504 static bool cfstring_array_to_error_request(enum SecXPCOperation op, CFStringRef string, CFArrayRef attributes, __unused SecurityClient *client, CFErrorRef *error)
1505 {
1506     return securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
1507         if (string) {
1508             if (!SecXPCDictionarySetString(message, kSecXPCKeyString, string, error))
1509                 return false;
1510         }
1511
1512         if (attributes) {
1513             if (!SecXPCDictionarySetPList(message, kSecXPCKeyQuery, attributes, error))
1514                 return false;
1515         }
1516
1517         return true;
1518     }, NULL);
1519 }
1520
1521 static bool dict_client_to_error_request(enum SecXPCOperation op, CFDictionaryRef query, __unused SecurityClient *client, CFErrorRef *error)
1522 {
1523     return dict_to_error_request(op, query, error);
1524 }
1525
1526 static bool SecTokenCreateAccessControlError(CFStringRef operation, CFDataRef access_control, CFErrorRef *error) {
1527     CFArrayRef ac_pair = CFArrayCreateForCFTypes(NULL, access_control, operation, NULL);
1528     const void *ac_pairs[] = { CFArrayCreateForCFTypes(NULL, ac_pair, NULL) };
1529     const void *keys[] = { CFNumberCreateWithCFIndex(NULL, errSecAuthNeeded) };
1530     CFAssignRetained(*error, CFErrorCreateWithUserInfoKeysAndValues(NULL, kSecErrorDomain, errSecAuthNeeded,
1531                                                                     keys, ac_pairs, 1));
1532     CFRelease(keys[0]);
1533     CFRelease(ac_pairs[0]);
1534     CFRelease(ac_pair);
1535     return false;
1536 }
1537
1538 static bool SecTokenProcessError(CFStringRef operation, TKTokenRef token, CFTypeRef object_or_attrs, CFErrorRef *error) {
1539     if (CFEqualSafe(CFErrorGetDomain(*error), CFSTR(kTKErrorDomain)) &&
1540         CFErrorGetCode(*error) == kTKErrorCodeAuthenticationFailed) {
1541         // Replace error with the one which is augmented with access control and operation which failed,
1542         // which will cause SecItemDoWithAuth to throw UI.
1543         // Create array containing tuple (array) with error and requested operation.
1544         CFDataRef access_control = (CFGetTypeID(object_or_attrs) == CFDataGetTypeID()) ?
1545             TKTokenCopyObjectAccessControl(token, object_or_attrs, error) :
1546             TKTokenCopyObjectCreationAccessControl(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 #ifndef SECITEM_SHIM_OSX
2031 OSStatus SecTaskValidateForRequirement(SecTaskRef task, CFStringRef requirement);
2032
2033 OSStatus SecTaskValidateForRequirement(SecTaskRef task, CFStringRef requirement)
2034 {
2035     return -1; /* this is only on OS X currently */
2036 }
2037
2038 #else
2039
2040 extern OSStatus SecTaskValidateForRequirement(SecTaskRef task, CFStringRef requirement);
2041
2042 #endif
2043
2044 #define do_if_registered(sdp, ...) if (gSecurityd && gSecurityd->sdp) { return gSecurityd->sdp(__VA_ARGS__); }
2045
2046 bool _SecKeychainRollKeys(bool force, CFErrorRef *error)
2047 {
2048     do_if_registered(sec_roll_keys, force, error);
2049
2050     __block bool result = false;
2051
2052     secdebug("secitem","enter - %s", __FUNCTION__);
2053     securityd_send_sync_and_do(kSecXPCOpRollKeys, error,
2054         ^bool(xpc_object_t message, CFErrorRef *error) {
2055             xpc_dictionary_set_bool(message, "force", force);
2056             return true;
2057         },
2058         ^bool(xpc_object_t response, __unused CFErrorRef *error) {
2059             result = xpc_dictionary_get_bool(response, kSecXPCKeyResult);
2060             return result;
2061         });
2062     return result;
2063 }
2064
2065 static CFArrayRef data_array_to_array_error_request(enum SecXPCOperation op, CFDataRef normalizedIssuer, CFArrayRef accessGroups, CFErrorRef *error) {
2066     __block CFArrayRef results = NULL;
2067     securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
2068         SecXPCDictionarySetData(message, kSecXPCKeyNormalizedIssuer, normalizedIssuer, error);
2069         SecXPCDictionarySetPList(message, kSecXPCKeyAccessGroups, accessGroups, error);
2070         return true;
2071     }, ^bool(xpc_object_t response, CFErrorRef *error) {
2072         return SecXPCDictionaryCopyArrayOptional(response, kSecXPCKeyResult, &results, error);
2073     });
2074     return results;
2075 }
2076
2077 static bool data_data_array_to_bool_error_request(enum SecXPCOperation op, CFDataRef normalizedIssuer, CFDataRef serialNumber, CFArrayRef accessGroups, CFErrorRef *error) {
2078     __block bool result = false;
2079     securityd_send_sync_and_do(op, error, ^bool(xpc_object_t message, CFErrorRef *error) {
2080         SecXPCDictionarySetData(message, kSecXPCKeyNormalizedIssuer, normalizedIssuer, error);
2081         SecXPCDictionarySetData(message, kSecXPCKeySerialNumber, serialNumber, error);
2082         SecXPCDictionarySetPList(message, kSecXPCKeyAccessGroups, accessGroups, error);
2083         return true;
2084     }, ^bool(xpc_object_t response, CFErrorRef *error) {
2085         result = xpc_dictionary_get_bool(response, kSecXPCKeyResult);
2086         return result;
2087     });
2088     return result;
2089 }
2090
2091 CFArrayRef SecItemCopyParentCertificates_ios(CFDataRef normalizedIssuer, CFArrayRef accessGroups, CFErrorRef *error) {
2092     CFArrayRef results = NULL;
2093
2094     os_activity_t activity = os_activity_create("SecItemCopyParentCertificates_ios", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_DEFAULT);
2095     os_activity_scope(activity);
2096     os_release(activity);
2097
2098     results = SECURITYD_XPC(sec_item_copy_parent_certificates, data_array_to_array_error_request, normalizedIssuer, accessGroups, error);
2099
2100     return results;
2101 }
2102
2103 bool SecItemCertificateExists(CFDataRef normalizedIssuer, CFDataRef serialNumber, CFArrayRef accessGroups, CFErrorRef *error) {
2104     bool results = false;
2105
2106     os_activity_t activity = os_activity_create("SecItemCopyParentCertificates_ios", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_DEFAULT);
2107     os_activity_scope(activity);
2108     os_release(activity);
2109
2110     results = SECURITYD_XPC(sec_item_certificate_exists, data_data_array_to_bool_error_request, normalizedIssuer, serialNumber, accessGroups, error);
2111
2112     return results;
2113 }