--- /dev/null
+/*
+ * Copyright (c) 2002-2014 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#include "SecTrust.h"
+#include "SecTrustPriv.h"
+#include "Trust.h"
+#include <security_keychain/SecTrustSettingsPriv.h>
+#include "SecBridge.h"
+#include "SecInternal.h"
+#include "SecInternalP.h"
+#include "SecTrustSettings.h"
+#include "SecCertificatePriv.h"
+#include "SecCertificateP.h"
+#include "SecCertificatePrivP.h"
+#include <security_utilities/cfutilities.h>
+#include <security_utilities/cfmunge.h>
+#include <CoreFoundation/CoreFoundation.h>
+
+// forward declarations
+CFArrayRef SecTrustCopyDetails(SecTrustRef trust);
+static CFDictionaryRef SecTrustGetExceptionForCertificateAtIndex(SecTrustRef trust, CFIndex ix);
+static void SecTrustCheckException(const void *key, const void *value, void *context);
+
+typedef struct SecTrustCheckExceptionContext {
+ CFDictionaryRef exception;
+ bool exceptionNotFound;
+} SecTrustCheckExceptionContext;
+
+// public trust result constants
+CFTypeRef kSecTrustEvaluationDate = CFSTR("TrustEvaluationDate");
+CFTypeRef kSecTrustExtendedValidation = CFSTR("TrustExtendedValidation");
+CFTypeRef kSecTrustOrganizationName = CFSTR("Organization");
+CFTypeRef kSecTrustResultValue = CFSTR("TrustResultValue");
+CFTypeRef kSecTrustRevocationChecked = CFSTR("TrustRevocationChecked");
+CFTypeRef kSecTrustRevocationValidUntilDate = CFSTR("TrustExpirationDate");
+CFTypeRef kSecTrustResultDetails = CFSTR("TrustResultDetails");
+
+//
+// CF boilerplate
+//
+CFTypeID SecTrustGetTypeID(void)
+{
+ BEGIN_SECAPI
+
+ return gTypes().Trust.typeID;
+
+ END_SECAPI1(_kCFRuntimeNotATypeID)
+}
+
+
+//
+// Sec* API bridge functions
+//
+OSStatus SecTrustCreateWithCertificates(
+ CFTypeRef certificates,
+ CFTypeRef policies,
+ SecTrustRef *trustRef)
+{
+ BEGIN_SECAPI
+ Required(trustRef);
+ *trustRef = (new Trust(certificates, policies))->handle();
+ END_SECAPI
+}
+
+OSStatus
+SecTrustSetPolicies(SecTrustRef trustRef, CFTypeRef policies)
+{
+ BEGIN_SECAPI
+ Trust::required(trustRef)->policies(policies);
+ END_SECAPI
+}
+
+OSStatus
+SecTrustSetOptions(SecTrustRef trustRef, SecTrustOptionFlags options)
+{
+ BEGIN_SECAPI
+ CSSM_APPLE_TP_ACTION_DATA actionData = {
+ CSSM_APPLE_TP_ACTION_VERSION,
+ (CSSM_APPLE_TP_ACTION_FLAGS)options
+ };
+ Trust *trust = Trust::required(trustRef);
+ CFDataRef actionDataRef = CFDataCreate(NULL,
+ (const UInt8 *)&actionData,
+ (CFIndex)sizeof(CSSM_APPLE_TP_ACTION_DATA));
+ trust->action(CSSM_TP_ACTION_DEFAULT);
+ trust->actionData(actionDataRef);
+ if (actionDataRef) CFRelease(actionDataRef);
+ END_SECAPI
+}
+
+OSStatus SecTrustSetParameters(
+ SecTrustRef trustRef,
+ CSSM_TP_ACTION action,
+ CFDataRef actionData)
+{
+ BEGIN_SECAPI
+ Trust *trust = Trust::required(trustRef);
+ trust->action(action);
+ trust->actionData(actionData);
+ END_SECAPI
+}
+
+
+OSStatus SecTrustSetAnchorCertificates(SecTrustRef trust, CFArrayRef anchorCertificates)
+{
+ BEGIN_SECAPI
+ Trust::required(trust)->anchors(anchorCertificates);
+ END_SECAPI
+}
+
+OSStatus SecTrustSetAnchorCertificatesOnly(SecTrustRef trust, Boolean anchorCertificatesOnly)
+{
+ BEGIN_SECAPI
+ Trust::AnchorPolicy policy = (anchorCertificatesOnly) ? Trust::useAnchorsOnly : Trust::useAnchorsAndBuiltIns;
+ Trust::required(trust)->anchorPolicy(policy);
+ END_SECAPI
+}
+
+OSStatus SecTrustSetKeychains(SecTrustRef trust, CFTypeRef keychainOrArray)
+{
+ BEGIN_SECAPI
+ StorageManager::KeychainList keychains;
+ // avoid unnecessary global initializations if an empty array is passed in
+ if (!( (keychainOrArray != NULL) &&
+ (CFGetTypeID(keychainOrArray) == CFArrayGetTypeID()) &&
+ (CFArrayGetCount((CFArrayRef)keychainOrArray) == 0) )) {
+ globals().storageManager.optionalSearchList(keychainOrArray, keychains);
+ }
+ Trust::required(trust)->searchLibs(keychains);
+ END_SECAPI
+}
+
+
+OSStatus SecTrustSetVerifyDate(SecTrustRef trust, CFDateRef verifyDate)
+{
+ BEGIN_SECAPI
+ Trust::required(trust)->time(verifyDate);
+ END_SECAPI
+}
+
+
+CFAbsoluteTime SecTrustGetVerifyTime(SecTrustRef trust)
+{
+ CFAbsoluteTime verifyTime = 0;
+ OSStatus __secapiresult = errSecSuccess;
+ try {
+ CFRef<CFDateRef> verifyDate = Trust::required(trust)->time();
+ verifyTime = CFDateGetAbsoluteTime(verifyDate);
+ }
+ catch (const MacOSError &err) { __secapiresult=err.osStatus(); }
+ catch (const CommonError &err) { __secapiresult=SecKeychainErrFromOSStatus(err.osStatus()); }
+ catch (const std::bad_alloc &) { __secapiresult=errSecAllocate; }
+ catch (...) { __secapiresult=errSecInternalComponent; }
+ return verifyTime;
+}
+
+
+OSStatus SecTrustEvaluate(SecTrustRef trust, SecTrustResultType *resultP)
+{
+ SecTrustResultType trustResult = kSecTrustResultInvalid;
+ CFArrayRef exceptions = NULL;
+ OSStatus __secapiresult = errSecSuccess;
+ try {
+ Trust *trustObj = Trust::required(trust);
+ trustObj->evaluate();
+ trustResult = trustObj->result();
+ exceptions = trustObj->exceptions();
+ }
+ catch (const MacOSError &err) { __secapiresult=err.osStatus(); }
+ catch (const CommonError &err) { __secapiresult=SecKeychainErrFromOSStatus(err.osStatus()); }
+ catch (const std::bad_alloc &) { __secapiresult=errSecAllocate; }
+ catch (...) { __secapiresult=errSecInternalComponent; }
+
+ if (__secapiresult) {
+ return __secapiresult;
+ }
+
+ /* post-process trust result based on exceptions */
+ if (trustResult == kSecTrustResultUnspecified) {
+ /* If leaf is in exceptions -> proceed, otherwise unspecified. */
+ if (SecTrustGetExceptionForCertificateAtIndex(trust, 0))
+ trustResult = kSecTrustResultProceed;
+ }
+ else if (trustResult == kSecTrustResultRecoverableTrustFailure && exceptions) {
+ /* If we have exceptions get details and match to exceptions. */
+ CFArrayRef details = SecTrustCopyDetails(trust);
+ if (details) {
+ CFIndex pathLength = CFArrayGetCount(details);
+ struct SecTrustCheckExceptionContext context = {};
+ CFIndex ix;
+ for (ix = 0; ix < pathLength; ++ix) {
+ CFDictionaryRef detail = (CFDictionaryRef)CFArrayGetValueAtIndex(details, ix);
+ // if ((ix == 0) && CFDictionaryContainsKey(detail, kSecPolicyCheckBlackListedLeaf))
+ // trustResult = kSecTrustResultFatalTrustFailure;
+ context.exception = SecTrustGetExceptionForCertificateAtIndex(trust, ix);
+ CFDictionaryApplyFunction(detail, SecTrustCheckException, &context);
+ if (context.exceptionNotFound) {
+ break;
+ }
+ }
+ if (!context.exceptionNotFound)
+ trustResult = kSecTrustResultProceed;
+ }
+ }
+
+
+ secdebug("SecTrustEvaluate", "SecTrustEvaluate trust result = %d", (int)trustResult);
+ if (resultP) {
+ *resultP = trustResult;
+ }
+ return __secapiresult;
+}
+
+OSStatus SecTrustEvaluateAsync(SecTrustRef trust,
+ dispatch_queue_t queue, SecTrustCallback result)
+{
+ BEGIN_SECAPI
+ dispatch_async(queue, ^{
+ try {
+ Trust *trustObj = Trust::required(trust);
+ trustObj->evaluate();
+ SecTrustResultType trustResult = trustObj->result();
+ result(trust, trustResult);
+ }
+ catch (...) {
+ result(trust, kSecTrustResultInvalid);
+ };
+ });
+ END_SECAPI
+}
+
+//
+// Construct the "official" result evidence and return it
+//
+OSStatus SecTrustGetResult(
+ SecTrustRef trustRef,
+ SecTrustResultType *result,
+ CFArrayRef *certChain, CSSM_TP_APPLE_EVIDENCE_INFO **statusChain)
+{
+ BEGIN_SECAPI
+ Trust *trust = Trust::required(trustRef);
+ if (result)
+ *result = trust->result();
+ if (certChain && statusChain)
+ trust->buildEvidence(*certChain, TPEvidenceInfo::overlayVar(*statusChain));
+ END_SECAPI
+}
+
+//
+// Retrieve result of trust evaluation only
+//
+OSStatus SecTrustGetTrustResult(SecTrustRef trustRef,
+ SecTrustResultType *result)
+{
+ BEGIN_SECAPI
+ Trust *trust = Trust::required(trustRef);
+ if (result) *result = trust->result();
+ END_SECAPI
+}
+
+//
+// Retrieve extended validation trust results
+//
+OSStatus SecTrustCopyExtendedResult(SecTrustRef trust, CFDictionaryRef *result)
+{
+ BEGIN_SECAPI
+ Trust *trustObj = Trust::required(trust);
+ if (result == nil)
+ return errSecParam;
+ trustObj->extendedResult(*result);
+ END_SECAPI
+}
+
+//
+// Retrieve CSSM-level information for those who want to dig down
+//
+OSStatus SecTrustGetCssmResult(SecTrustRef trust, CSSM_TP_VERIFY_CONTEXT_RESULT_PTR *result)
+{
+ BEGIN_SECAPI
+ Required(result) = Trust::required(trust)->cssmResult();
+ END_SECAPI
+}
+
+//
+// Retrieve CSSM_LEVEL TP return code
+//
+OSStatus SecTrustGetCssmResultCode(SecTrustRef trustRef, OSStatus *result)
+{
+ BEGIN_SECAPI
+ Trust *trust = Trust::required(trustRef);
+ if (trust->result() == kSecTrustResultInvalid)
+ return errSecParam;
+ else
+ Required(result) = trust->cssmResultCode();
+ END_SECAPI
+}
+
+OSStatus SecTrustGetTPHandle(SecTrustRef trust, CSSM_TP_HANDLE *handle)
+{
+ BEGIN_SECAPI
+ Required(handle) = Trust::required(trust)->getTPHandle();
+ END_SECAPI
+}
+
+OSStatus SecTrustCopyPolicies(SecTrustRef trust, CFArrayRef *policies)
+{
+ BEGIN_SECAPI
+ CFArrayRef currentPolicies = Trust::required(trust)->policies();
+ if (currentPolicies != NULL)
+ {
+ CFRetain(currentPolicies);
+ }
+
+ Required(policies) = currentPolicies;
+ END_SECAPI
+}
+
+OSStatus SecTrustSetNetworkFetchAllowed(SecTrustRef trust, Boolean allowFetch)
+{
+ BEGIN_SECAPI
+ Trust *trustObj = Trust::required(trust);
+ Trust::NetworkPolicy netPolicy = (allowFetch) ?
+ Trust::useNetworkEnabled : Trust::useNetworkDisabled;
+ trustObj->networkPolicy(netPolicy);
+ END_SECAPI
+}
+
+OSStatus SecTrustGetNetworkFetchAllowed(SecTrustRef trust, Boolean *allowFetch)
+{
+ BEGIN_SECAPI
+ Boolean allowed = false;
+ Trust *trustObj = Trust::required(trust);
+ Trust::NetworkPolicy netPolicy = trustObj->networkPolicy();
+ if (netPolicy == Trust::useNetworkDefault) {
+ // network fetch is enabled by default for SSL only
+ allowed = trustObj->policySpecified(trustObj->policies(), CSSMOID_APPLE_TP_SSL);
+ } else {
+ // caller has explicitly set the network policy
+ allowed = (netPolicy == Trust::useNetworkEnabled);
+ }
+ Required(allowFetch) = allowed;
+ END_SECAPI
+}
+
+OSStatus SecTrustSetOCSPResponse(SecTrustRef trust, CFTypeRef responseData)
+{
+ BEGIN_SECAPI
+ Trust::required(trust)->responses(responseData);
+ END_SECAPI
+}
+
+OSStatus SecTrustCopyCustomAnchorCertificates(SecTrustRef trust, CFArrayRef *anchorCertificates)
+{
+ BEGIN_SECAPI
+ CFArrayRef customAnchors = Trust::required(trust)->anchors();
+ Required(anchorCertificates) = (customAnchors) ?
+ (const CFArrayRef)CFRetain(customAnchors) : (const CFArrayRef)NULL;
+ END_SECAPI
+}
+
+//
+// Get the user's default anchor certificate set
+//
+OSStatus SecTrustCopyAnchorCertificates(CFArrayRef *anchorCertificates)
+{
+ BEGIN_SECAPI
+
+ return SecTrustSettingsCopyUnrestrictedRoots(
+ true, true, true, /* all domains */
+ anchorCertificates);
+
+ END_SECAPI
+}
+
+/* new in 10.6 */
+SecKeyRef SecTrustCopyPublicKey(SecTrustRef trust)
+{
+ SecKeyRef pubKey = NULL;
+ CFArrayRef certChain = NULL;
+ CFArrayRef evidenceChain = NULL;
+ CSSM_TP_APPLE_EVIDENCE_INFO *statusChain = NULL;
+ OSStatus __secapiresult = errSecSuccess;
+ try {
+ Trust *trustObj = Trust::required(trust);
+ if (trustObj->result() == kSecTrustResultInvalid) {
+ // Trust hasn't been evaluated; attempt to retrieve public key from leaf.
+ SecCertificateRef cert = SecTrustGetCertificateAtIndex(trust, 0);
+ __secapiresult = SecCertificateCopyPublicKey(cert, &pubKey);
+ if (pubKey) {
+ return pubKey;
+ }
+ // Otherwise, we must evaluate first.
+ trustObj->evaluate();
+ if (trustObj->result() == kSecTrustResultInvalid) {
+ MacOSError::throwMe(errSecTrustNotAvailable);
+ }
+ }
+ if (trustObj->evidence() == nil) {
+ trustObj->buildEvidence(certChain, TPEvidenceInfo::overlayVar(statusChain));
+ }
+ evidenceChain = trustObj->evidence();
+ }
+ catch (const MacOSError &err) { __secapiresult=err.osStatus(); }
+ catch (const CommonError &err) { __secapiresult=SecKeychainErrFromOSStatus(err.osStatus()); }
+ catch (const std::bad_alloc &) { __secapiresult=errSecAllocate; }
+ catch (...) { __secapiresult=errSecInternalComponent; }
+
+ if (certChain)
+ CFRelease(certChain);
+
+ if (evidenceChain) {
+ if (CFArrayGetCount(evidenceChain) > 0) {
+ SecCertificateRef cert = (SecCertificateRef) CFArrayGetValueAtIndex(evidenceChain, 0);
+ __secapiresult = SecCertificateCopyPublicKey(cert, &pubKey);
+ }
+ // do not release evidenceChain, as it is owned by the trust object.
+ }
+ return pubKey;
+}
+
+/* new in 10.6 */
+CFIndex SecTrustGetCertificateCount(SecTrustRef trust)
+{
+ CFIndex chainLen = 0;
+ CFArrayRef certChain = NULL;
+ CFArrayRef evidenceChain = NULL;
+ CSSM_TP_APPLE_EVIDENCE_INFO *statusChain = NULL;
+ OSStatus __secapiresult = errSecSuccess;
+ try {
+ Trust *trustObj = Trust::required(trust);
+ if (trustObj->result() == kSecTrustResultInvalid) {
+ trustObj->evaluate();
+ if (trustObj->result() == kSecTrustResultInvalid)
+ MacOSError::throwMe(errSecTrustNotAvailable);
+ }
+ if (trustObj->evidence() == nil)
+ trustObj->buildEvidence(certChain, TPEvidenceInfo::overlayVar(statusChain));
+ evidenceChain = trustObj->evidence();
+ }
+ catch (const MacOSError &err) { __secapiresult=err.osStatus(); }
+ catch (const CommonError &err) { __secapiresult=SecKeychainErrFromOSStatus(err.osStatus()); }
+ catch (const std::bad_alloc &) { __secapiresult=errSecAllocate; }
+ catch (...) { __secapiresult=errSecInternalComponent; }
+
+ if (certChain)
+ CFRelease(certChain);
+
+ if (evidenceChain)
+ chainLen = CFArrayGetCount(evidenceChain); // don't release, trust object owns it.
+
+ return chainLen;
+}
+
+/* new in 10.6 */
+SecCertificateRef SecTrustGetCertificateAtIndex(SecTrustRef trust, CFIndex ix)
+{
+ SecCertificateRef certificate = NULL;
+ CFArrayRef certChain = NULL;
+ CFArrayRef evidenceChain = NULL;
+ CSSM_TP_APPLE_EVIDENCE_INFO *statusChain = NULL;
+ OSStatus __secapiresult = errSecSuccess;
+ try {
+ Trust *trustObj = Trust::required(trust);
+ if (trustObj->result() == kSecTrustResultInvalid) {
+ // If caller is asking for the leaf, we can return it without
+ // having to evaluate the entire chain. Note that we don't retain
+ // the cert as it's owned by the trust and this is a 'Get' API.
+ if (ix == 0) {
+ CFArrayRef certs = trustObj->certificates();
+ if (certs && (CFArrayGetCount(certs) > 0)) {
+ certificate = (SecCertificateRef) CFArrayGetValueAtIndex(certs, 0);
+ if (certificate) {
+ return certificate;
+ }
+ }
+ }
+ // Otherwise, we must evaluate first.
+ trustObj->evaluate();
+ if (trustObj->result() == kSecTrustResultInvalid) {
+ MacOSError::throwMe(errSecTrustNotAvailable);
+ }
+ }
+ if (trustObj->evidence() == nil) {
+ trustObj->buildEvidence(certChain, TPEvidenceInfo::overlayVar(statusChain));
+ }
+ evidenceChain = trustObj->evidence();
+ }
+ catch (const MacOSError &err) { __secapiresult=err.osStatus(); }
+ catch (const CommonError &err) { __secapiresult=SecKeychainErrFromOSStatus(err.osStatus()); }
+ catch (const std::bad_alloc &) { __secapiresult=errSecAllocate; }
+ catch (...) { __secapiresult=errSecInternalComponent; }
+
+ if (certChain)
+ CFRelease(certChain);
+
+ if (evidenceChain) {
+ if (ix < CFArrayGetCount(evidenceChain)) {
+ certificate = (SecCertificateRef) CFArrayGetValueAtIndex(evidenceChain, ix);
+ // note: we do not retain this certificate. The assumption here is
+ // that the certificate is retained by the trust object, so it is
+ // valid unil the trust is released (or until re-evaluated.)
+ // also note: we do not release the evidenceChain, as it is owned
+ // by the trust object.
+ }
+ }
+ return certificate;
+}
+
+
+static CFStringRef kSecCertificateDetailSHA1Digest = CFSTR("SHA1Digest");
+static CFStringRef kSecCertificateDetailStatusCodes = CFSTR("StatusCodes");
+
+static void
+_AppendStatusCode(CFMutableArrayRef array, OSStatus statusCode)
+{
+ if (!array)
+ return;
+ SInt32 num = statusCode;
+ CFNumberRef numRef = CFNumberCreate(NULL, kCFNumberSInt32Type, &num);
+ if (!numRef)
+ return;
+ CFArrayAppendValue(array, numRef);
+ CFRelease(numRef);
+}
+
+CFArrayRef SecTrustCopyDetails(SecTrustRef trust)
+{
+ // This function returns an array of dictionaries, one per certificate,
+ // holding status info for each certificate in the evaluated chain.
+ //
+ CFIndex count, chainLen = 0;
+ CFArrayRef certChain = NULL;
+ CFMutableArrayRef details = NULL;
+ CSSM_TP_APPLE_EVIDENCE_INFO *statusChain = NULL;
+ OSStatus __secapiresult = errSecSuccess;
+ try {
+ Trust *trustObj = Trust::required(trust);
+ if (trustObj->result() == kSecTrustResultInvalid) {
+ trustObj->evaluate();
+ if (trustObj->result() == kSecTrustResultInvalid)
+ MacOSError::throwMe(errSecTrustNotAvailable);
+ }
+ trustObj->buildEvidence(certChain, TPEvidenceInfo::overlayVar(statusChain));
+ }
+ catch (const MacOSError &err) { __secapiresult=err.osStatus(); }
+ catch (const CommonError &err) { __secapiresult=SecKeychainErrFromOSStatus(err.osStatus()); }
+ catch (const std::bad_alloc &) { __secapiresult=errSecAllocate; }
+ catch (...) { __secapiresult=errSecInternalComponent; }
+
+ if (certChain) {
+ chainLen = CFArrayGetCount(certChain);
+ CFRelease(certChain);
+ }
+ if (statusChain) {
+ details = CFArrayCreateMutable(NULL, chainLen, &kCFTypeArrayCallBacks);
+ for (count = 0; count < chainLen; count++) {
+ CFMutableDictionaryRef certDict = CFDictionaryCreateMutable(kCFAllocatorDefault,
+ 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
+ CFMutableArrayRef statusCodes = CFArrayCreateMutable(kCFAllocatorDefault,
+ 0, &kCFTypeArrayCallBacks);
+ CSSM_TP_APPLE_EVIDENCE_INFO *evInfo = &statusChain[count];
+ CSSM_TP_APPLE_CERT_STATUS statBits = evInfo->StatusBits;
+
+ // translate status bits
+ if (statBits & CSSM_CERT_STATUS_EXPIRED)
+ _AppendStatusCode(statusCodes, errSecCertificateExpired);
+ if (statBits & CSSM_CERT_STATUS_NOT_VALID_YET)
+ _AppendStatusCode(statusCodes, errSecCertificateNotValidYet);
+ if (statBits & CSSM_CERT_STATUS_TRUST_SETTINGS_DENY)
+ _AppendStatusCode(statusCodes, errSecTrustSettingDeny);
+
+ // translate status codes
+ unsigned int i;
+ for (i = 0; i < evInfo->NumStatusCodes; i++) {
+ CSSM_RETURN scode = evInfo->StatusCodes[i];
+ _AppendStatusCode(statusCodes, (OSStatus)scode);
+ }
+
+ CFDictionarySetValue(certDict, kSecCertificateDetailStatusCodes, statusCodes);
+ CFRelease(statusCodes);
+ CFArrayAppendValue(details, certDict);
+ CFRelease(certDict);
+ }
+ }
+ return details;
+}
+
+static CFDictionaryRef SecTrustGetExceptionForCertificateAtIndex(SecTrustRef trust, CFIndex ix)
+{
+ CFArrayRef exceptions = NULL;
+ OSStatus __secapiresult = errSecSuccess;
+ try {
+ exceptions = Trust::required(trust)->exceptions();
+ }
+ catch (const MacOSError &err) { __secapiresult=err.osStatus(); }
+ catch (const CommonError &err) { __secapiresult=SecKeychainErrFromOSStatus(err.osStatus()); }
+ catch (const std::bad_alloc &) { __secapiresult=errSecAllocate; }
+ catch (...) { __secapiresult=errSecInternalComponent; }
+
+ if (!exceptions || ix >= CFArrayGetCount(exceptions))
+ return NULL;
+ CFDictionaryRef exception = (CFDictionaryRef)CFArrayGetValueAtIndex(exceptions, ix);
+ if (CFGetTypeID(exception) != CFDictionaryGetTypeID())
+ return NULL;
+
+ SecCertificateRef certificate = SecTrustGetCertificateAtIndex(trust, ix);
+ if (!certificate)
+ return NULL;
+
+ /* If the exception contains the current certificate's sha1Digest in the
+ kSecCertificateDetailSHA1Digest key then we use it otherwise we ignore it. */
+ CFDataRef sha1Digest = SecCertificateGetSHA1Digest(certificate);
+ CFTypeRef digestValue = CFDictionaryGetValue(exception, kSecCertificateDetailSHA1Digest);
+ if (!digestValue || !CFEqual(sha1Digest, digestValue))
+ exception = NULL;
+
+ return exception;
+}
+
+static void SecTrustCheckException(const void *key, const void *value, void *context)
+{
+ struct SecTrustCheckExceptionContext *cec = (struct SecTrustCheckExceptionContext *)context;
+ if (cec->exception) {
+ CFTypeRef exceptionValue = CFDictionaryGetValue(cec->exception, key);
+ if (!exceptionValue || !CFEqual(value, exceptionValue)) {
+ cec->exceptionNotFound = true;
+ }
+ } else {
+ cec->exceptionNotFound = true;
+ }
+}
+
+/* new in 10.9 */
+CFDataRef SecTrustCopyExceptions(SecTrustRef trust)
+{
+ CFArrayRef details = SecTrustCopyDetails(trust);
+ CFIndex pathLength = details ? CFArrayGetCount(details) : 0;
+ CFMutableArrayRef exceptions = CFArrayCreateMutable(kCFAllocatorDefault,
+ pathLength, &kCFTypeArrayCallBacks);
+ CFIndex ix;
+ for (ix = 0; ix < pathLength; ++ix) {
+ CFDictionaryRef detail = (CFDictionaryRef)CFArrayGetValueAtIndex(details, ix);
+ CFIndex detailCount = CFDictionaryGetCount(detail);
+ CFMutableDictionaryRef exception;
+ if (ix == 0 || detailCount > 0) {
+ exception = CFDictionaryCreateMutableCopy(kCFAllocatorDefault,
+ detailCount + 1, detail);
+ SecCertificateRef certificate = SecTrustGetCertificateAtIndex(trust, ix);
+ CFDataRef digest = SecCertificateGetSHA1Digest(certificate);
+ if (digest) {
+ CFDictionaryAddValue(exception, kSecCertificateDetailSHA1Digest, digest);
+ }
+ } else {
+ /* Add empty exception dictionaries for non leaf certs which have no exceptions
+ * to save space.
+ */
+ exception = (CFMutableDictionaryRef)CFDictionaryCreate(kCFAllocatorDefault,
+ NULL, NULL, 0,
+ &kCFTypeDictionaryKeyCallBacks,
+ &kCFTypeDictionaryValueCallBacks);
+ }
+ CFArrayAppendValue(exceptions, exception);
+ CFReleaseNull(exception);
+ }
+ CFReleaseSafe(details);
+
+ /* Remove any trailing empty dictionaries to save even more space (we skip the leaf
+ since it will never be empty). */
+ for (ix = pathLength; ix-- > 1;) {
+ CFDictionaryRef exception = (CFDictionaryRef)CFArrayGetValueAtIndex(exceptions, ix);
+ if (CFDictionaryGetCount(exception) == 0) {
+ CFArrayRemoveValueAtIndex(exceptions, ix);
+ } else {
+ break;
+ }
+ }
+
+ CFDataRef encodedExceptions = CFPropertyListCreateData(kCFAllocatorDefault,
+ exceptions, kCFPropertyListBinaryFormat_v1_0, 0, NULL);
+ CFRelease(exceptions);
+
+ return encodedExceptions;
+}
+
+/* new in 10.9 */
+bool SecTrustSetExceptions(SecTrustRef trust, CFDataRef encodedExceptions)
+{
+ CFArrayRef exceptions;
+ exceptions = (CFArrayRef)CFPropertyListCreateWithData(kCFAllocatorDefault,
+ encodedExceptions, kCFPropertyListImmutable, NULL, NULL);
+ if (exceptions && CFGetTypeID(exceptions) != CFArrayGetTypeID()) {
+ CFRelease(exceptions);
+ exceptions = NULL;
+ }
+
+ OSStatus __secapiresult = errSecSuccess;
+ try {
+ Trust::required(trust)->exceptions(exceptions);
+ }
+ catch (const MacOSError &err) { __secapiresult=err.osStatus(); }
+ catch (const CommonError &err) { __secapiresult=SecKeychainErrFromOSStatus(err.osStatus()); }
+ catch (const std::bad_alloc &) { __secapiresult=errSecAllocate; }
+ catch (...) { __secapiresult=errSecInternalComponent; }
+
+ /* If there is a valid exception entry for our current leaf we're golden. */
+ if (SecTrustGetExceptionForCertificateAtIndex(trust, 0))
+ return true;
+
+ /* The passed in exceptions didn't match our current leaf, so we discard it. */
+ try {
+ Trust::required(trust)->exceptions(NULL);
+ __secapiresult = errSecSuccess;
+ }
+ catch (const MacOSError &err) { __secapiresult=err.osStatus(); }
+ catch (const CommonError &err) { __secapiresult=SecKeychainErrFromOSStatus(err.osStatus()); }
+ catch (const std::bad_alloc &) { __secapiresult=errSecAllocate; }
+ catch (...) { __secapiresult=errSecInternalComponent; }
+
+ return false;
+}
+
+/* new in 10.9 */
+CFDictionaryRef
+SecTrustCopyResult(SecTrustRef trust)
+{
+ CFDictionaryRef result = NULL;
+ try {
+ result = Trust::required(trust)->results();
+ // merge details into result
+ CFArrayRef details = SecTrustCopyDetails(trust);
+ if (details) {
+ CFDictionarySetValue((CFMutableDictionaryRef)result,
+ kSecTrustResultDetails, details);
+ CFRelease(details);
+ }
+ }
+ catch (...) {
+ if (result) {
+ CFRelease(result);
+ result = NULL;
+ }
+ }
+ return result;
+}
+
+/* new in 10.7 */
+CFArrayRef
+SecTrustCopyProperties(SecTrustRef trust)
+{
+ /* can't use SECAPI macros, since this function does not return OSStatus */
+ CFArrayRef result = NULL;
+ try {
+ result = Trust::required(trust)->properties();
+ }
+ catch (...) {
+ if (result) {
+ CFRelease(result);
+ result = NULL;
+ }
+ }
+ return result;
+}
+
+
+/* deprecated in 10.5 */
+OSStatus SecTrustGetCSSMAnchorCertificates(const CSSM_DATA **cssmAnchors,
+ uint32 *cssmAnchorCount)
+{
+ BEGIN_SECAPI
+ CertGroup certs;
+ Trust::gStore().getCssmRootCertificates(certs);
+ Required(cssmAnchors) = certs.blobCerts();
+ Required(cssmAnchorCount) = certs.count();
+ END_SECAPI
+}
+
+
+//
+// Get and set user trust settings. Deprecated in 10.5.
+// User Trust getter, deprecated, works as it always has.
+//
+OSStatus SecTrustGetUserTrust(SecCertificateRef certificate,
+ SecPolicyRef policy, SecTrustUserSetting *trustSetting)
+{
+ BEGIN_SECAPI
+ StorageManager::KeychainList searchList;
+ globals().storageManager.getSearchList(searchList);
+ Required(trustSetting) = Trust::gStore().find(
+ Certificate::required(certificate),
+ Policy::required(policy),
+ searchList);
+ END_SECAPI
+}
+
+//
+// The public setter, also deprecated; it maps to the appropriate
+// Trust Settings call if possible, else throws errSecUnimplemented.
+//
+OSStatus SecTrustSetUserTrust(SecCertificateRef certificate,
+ SecPolicyRef policy, SecTrustUserSetting trustSetting)
+{
+ SecTrustSettingsResult tsResult = kSecTrustSettingsResultInvalid;
+ OSStatus ortn;
+ Boolean isRoot;
+
+ Policy::required(policy);
+ switch(trustSetting) {
+ case kSecTrustResultProceed:
+ /* different SecTrustSettingsResult depending in root-ness */
+ ortn = SecCertificateIsSelfSigned(certificate, &isRoot);
+ if(ortn) {
+ return ortn;
+ }
+ if(isRoot) {
+ tsResult = kSecTrustSettingsResultTrustRoot;
+ }
+ else {
+ tsResult = kSecTrustSettingsResultTrustAsRoot;
+ }
+ break;
+ case kSecTrustResultDeny:
+ tsResult = kSecTrustSettingsResultDeny;
+ break;
+ default:
+ return errSecUnimplemented;
+ }
+
+ /* make a usage constraints dictionary */
+ CFRef<CFMutableDictionaryRef> usageDict(CFDictionaryCreateMutable(NULL,
+ 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
+ CFDictionaryAddValue(usageDict, kSecTrustSettingsPolicy, policy);
+ if(tsResult != kSecTrustSettingsResultTrustRoot) {
+ /* skip if we're specifying the default */
+ SInt32 result = tsResult;
+ CFNumberRef cfNum = CFNumberCreate(NULL, kCFNumberSInt32Type, &result);
+ CFDictionarySetValue(usageDict, kSecTrustSettingsResult, cfNum);
+ CFRelease(cfNum);
+ }
+ return SecTrustSettingsSetTrustSettings(certificate, kSecTrustSettingsDomainUser,
+ usageDict);
+}
+
+//
+// This one is the now-private version of what SecTrustSetUserTrust() used to
+// be. The public API can no longer manipulate User Trust settings, only
+// view them.
+//
+OSStatus SecTrustSetUserTrustLegacy(SecCertificateRef certificate,
+ SecPolicyRef policy, SecTrustUserSetting trustSetting)
+{
+ BEGIN_SECAPI
+ switch (trustSetting) {
+ case kSecTrustResultProceed:
+ case kSecTrustResultConfirm:
+ case kSecTrustResultDeny:
+ case kSecTrustResultUnspecified:
+ break;
+ default:
+ MacOSError::throwMe(errSecInvalidTrustSetting);
+ }
+ Trust::gStore().assign(
+ Certificate::required(certificate),
+ Policy::required(policy),
+ trustSetting);
+ END_SECAPI
+}
+
+/* SecGetAppleTPHandle - @@@NOT EXPORTED YET; copied from SecurityInterface,
+ but could be useful in the future.
+*/
+/*
+CSSM_TP_HANDLE
+SecGetAppleTPHandle()
+{
+ BEGIN_SECAPI
+ return TP(gGuidAppleX509TP)->handle();
+ END_SECAPI1(NULL);
+}
+*/
+
+
projects / apple / security.git / blobdiff