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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/base/cert_verify_proc_android.h" | |
| 6 | |
| 7 #include <string> | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 #include "net/android/cert_verify_result_android.h" | |
| 12 #include "net/android/network_library.h" | |
| 13 #include "net/base/cert_status_flags.h" | |
| 14 #include "net/base/cert_verify_result.h" | |
| 15 #include "net/base/net_errors.h" | |
| 16 #include "net/base/x509_certificate.h" | |
| 17 | |
| 18 namespace net { | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 // Returns true if the certificate verification call was successful (regardless | |
| 23 // of its result), i.e. if |verify_result| was set. Otherwise returns false. | |
| 24 bool VerifyFromAndroidTrustManager(const std::vector<std::string>& cert_bytes, | |
| 25 CertVerifyResult* verify_result) { | |
| 26 // TODO(joth): Fetch the authentication type from SSL rather than hardcode. | |
| 27 android::CertVerifyResultAndroid android_result = | |
| 28 android::VerifyX509CertChain(cert_bytes, "RSA"); | |
| 29 switch (android_result) { | |
| 30 case android::VERIFY_FAILED: | |
| 31 return false; | |
| 32 case android::VERIFY_OK: | |
| 33 break; | |
| 34 case android::VERIFY_NO_TRUSTED_ROOT: | |
| 35 verify_result->cert_status |= CERT_STATUS_AUTHORITY_INVALID; | |
| 36 break; | |
| 37 case android::VERIFY_EXPIRED: | |
| 38 case android::VERIFY_NOT_YET_VALID: | |
| 39 verify_result->cert_status |= CERT_STATUS_DATE_INVALID; | |
| 40 break; | |
| 41 case android::VERIFY_UNABLE_TO_PARSE: | |
| 42 verify_result->cert_status |= CERT_STATUS_INVALID; | |
| 43 break; | |
| 44 default: | |
| 45 NOTREACHED(); | |
| 46 verify_result->cert_status |= CERT_STATUS_INVALID; | |
| 47 break; | |
| 48 } | |
| 49 return true; | |
| 50 } | |
| 51 | |
| 52 bool GetChainDEREncodedBytes(X509Certificate* cert, | |
| 53 std::vector<std::string>* chain_bytes) { | |
| 54 X509Certificate::OSCertHandle cert_handle = cert->os_cert_handle(); | |
| 55 X509Certificate::OSCertHandles cert_handles = | |
| 56 cert->GetIntermediateCertificates(); | |
| 57 | |
| 58 // Make sure the peer's own cert is the first in the chain, if it's not | |
| 59 // already there. | |
| 60 if (cert_handles.empty() || cert_handles[0] != cert_handle) | |
| 61 cert_handles.insert(cert_handles.begin(), cert_handle); | |
| 62 | |
| 63 chain_bytes->reserve(cert_handles.size()); | |
| 64 for (X509Certificate::OSCertHandles::const_iterator it = | |
| 65 cert_handles.begin(); it != cert_handles.end(); ++it) { | |
| 66 std::string cert_bytes; | |
| 67 if(!X509Certificate::GetDEREncoded(*it, &cert_bytes)) | |
| 68 return false; | |
| 69 chain_bytes->push_back(cert_bytes); | |
| 70 } | |
| 71 return true; | |
| 72 } | |
| 73 | |
| 74 } // namespace | |
| 75 | |
| 76 CertVerifyProcAndroid::CertVerifyProcAndroid() {} | |
| 77 | |
| 78 CertVerifyProcAndroid::~CertVerifyProcAndroid() {} | |
| 79 | |
| 80 bool CertVerifyProcAndroid::SupportsAdditionalTrustAnchors() const { | |
| 81 return false; | |
| 82 } | |
| 83 | |
| 84 int CertVerifyProcAndroid::VerifyInternal( | |
| 85 X509Certificate* cert, | |
| 86 const std::string& hostname, | |
| 87 int flags, | |
| 88 CRLSet* crl_set, | |
| 89 const CertificateList& additional_trust_anchors, | |
| 90 CertVerifyResult* verify_result) { | |
| 91 if (!cert->VerifyNameMatch(hostname)) | |
| 92 verify_result->cert_status |= CERT_STATUS_COMMON_NAME_INVALID; | |
| 93 | |
| 94 std::vector<std::string> cert_bytes; | |
| 95 if (!GetChainDEREncodedBytes(cert, &cert_bytes)) | |
| 96 return ERR_CERT_INVALID; | |
| 97 if (!VerifyFromAndroidTrustManager(cert_bytes, verify_result)) { | |
| 98 NOTREACHED(); | |
| 99 return ERR_FAILED; | |
| 100 } | |
| 101 if (IsCertStatusError(verify_result->cert_status)) | |
| 102 return MapCertStatusToNetError(verify_result->cert_status); | |
| 103 | |
| 104 // TODO(ppi): Implement missing functionality: yielding the constructed trust | |
| 105 // chain, public key hashes of its certificates and |is_issued_by_known_root| | |
| 106 // flag. All of the above require specific support from the platform, missing | |
| 107 // in the Java APIs. See also: http://crbug.com/116838 | |
| 108 | |
| 109 // Until the required support is available in the platform, we don't know if | |
| 110 // the trust root at the end of the chain was standard or user-added, so we | |
| 111 // mark all correctly verified certificates as issued by a known root. | |
| 112 verify_result->is_issued_by_known_root = true; | |
| 113 | |
| 114 return OK; | |
| 115 } | |
| 116 | |
| 117 } // namespace net | |
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Chromium Code Reviews
Issue 13006020:
net: extract net/cert out of net/base (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src