Module: wine Branch: master Commit: 3b90b7be75fc96d3c666ff8920327fe4d2484d13 URL: https://source.winehq.org/git/wine.git/?a=commit;h=3b90b7be75fc96d3c666ff892...
Author: Hans Leidekker hans@codeweavers.com Date: Thu Mar 10 14:15:50 2022 +0100
crypt32: Add support for decoding OCSP responses.
Signed-off-by: Hans Leidekker hans@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/crypt32/decode.c | 93 +++++++++++++++++++++++++++++++++++++++++++++ dlls/crypt32/tests/encode.c | 73 +++++++++++++++++++++++++++++++++++ 2 files changed, 166 insertions(+)
diff --git a/dlls/crypt32/decode.c b/dlls/crypt32/decode.c index 1550b3d6f85..dde049b3c40 100644 --- a/dlls/crypt32/decode.c +++ b/dlls/crypt32/decode.c @@ -6147,6 +6147,96 @@ static BOOL WINAPI CRYPT_AsnDecodeEccSignature(DWORD dwCertEncodingType, return ret; }
+static BOOL CRYPT_AsnDecodeOCSPResponseStatus(const BYTE *pbEncoded, + DWORD cbEncoded, DWORD dwFlags, void *pvStructInfo, DWORD *pcbStructInfo, + DWORD *pcbDecoded) +{ + if (!cbEncoded) + { + SetLastError(CRYPT_E_ASN1_EOD); + return FALSE; + } + if (pbEncoded[0] != ASN_ENUMERATED) + { + SetLastError(CRYPT_E_ASN1_BADTAG); + return FALSE; + } + + return CRYPT_AsnDecodeIntInternal(pbEncoded, cbEncoded, dwFlags, pvStructInfo, + pcbStructInfo, pcbDecoded); +} + +static BOOL CRYPT_AsnDecodeOCSPResponseBytes(const BYTE *pbEncoded, + DWORD cbEncoded, DWORD dwFlags, void *pvStructInfo, DWORD *pcbStructInfo, + DWORD *pcbDecoded) +{ + DWORD dataLen; + BOOL ret; + + if (!cbEncoded) + { + SetLastError(CRYPT_E_ASN1_EOD); + return FALSE; + } + if (pbEncoded[0] != (ASN_CONTEXT | ASN_CONSTRUCTOR)) + { + SetLastError(CRYPT_E_ASN1_BADTAG); + return FALSE; + } + + if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen))) + { + struct AsnDecodeSequenceItem items[] = { + { ASN_OBJECTIDENTIFIER, 0, + CRYPT_AsnDecodeOidIgnoreTag, sizeof(LPSTR), FALSE, TRUE, + 0, 0 }, + { ASN_OCTETSTRING, sizeof(LPSTR), + CRYPT_AsnDecodeOctets, sizeof(CRYPT_OBJID_BLOB), FALSE, TRUE, + sizeof(LPSTR) + offsetof(CRYPT_OBJID_BLOB, pbData), 0 }, + }; + BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]); + DWORD bytesNeeded; + + if (dataLen) + { + ret = CRYPT_AsnDecodeSequence(items, ARRAY_SIZE(items), + pbEncoded + 1 + lenBytes, cbEncoded - 1 - lenBytes, dwFlags, NULL, + pvStructInfo, pcbStructInfo, &bytesNeeded, NULL); + if (ret) *pcbDecoded = bytesNeeded + lenBytes + 1; + } + } + return ret; +} + +static BOOL WINAPI CRYPT_AsnDecodeOCSPResponse(DWORD dwCertEncodingType, + LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags, + CRYPT_DECODE_PARA *pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo) +{ + BOOL ret; + struct AsnDecodeSequenceItem items[] = { + { ASN_ENUMERATED, offsetof(OCSP_RESPONSE_INFO, dwStatus), + CRYPT_AsnDecodeOCSPResponseStatus, sizeof(DWORD), FALSE, FALSE, + 0, 0 }, + { ASN_CONTEXT | ASN_CONSTRUCTOR, offsetof(OCSP_RESPONSE_INFO, pszObjId), + CRYPT_AsnDecodeOCSPResponseBytes, sizeof(LPSTR) + sizeof(CRYPT_OBJID_BLOB), TRUE, TRUE, + offsetof(OCSP_RESPONSE_INFO, pszObjId), 0 }, + }; + + __TRY + { + ret = CRYPT_AsnDecodeSequence(items, ARRAY_SIZE(items), + pbEncoded, cbEncoded, dwFlags, pDecodePara, pvStructInfo, + pcbStructInfo, NULL, NULL); + } + __EXCEPT_PAGE_FAULT + { + SetLastError(STATUS_ACCESS_VIOLATION); + ret = FALSE; + } + __ENDTRY + return ret; +} + static CryptDecodeObjectExFunc CRYPT_GetBuiltinDecoder(DWORD dwCertEncodingType, LPCSTR lpszStructType) { @@ -6295,6 +6385,9 @@ static CryptDecodeObjectExFunc CRYPT_GetBuiltinDecoder(DWORD dwCertEncodingType, case LOWORD(CNG_RSA_PUBLIC_KEY_BLOB): decodeFunc = CRYPT_AsnDecodeRsaPubKey_Bcrypt; break; + case LOWORD(OCSP_RESPONSE): + decodeFunc = CRYPT_AsnDecodeOCSPResponse; + break; default: FIXME("Unimplemented decoder for lpszStructType OID %d\n", LOWORD(lpszStructType)); } diff --git a/dlls/crypt32/tests/encode.c b/dlls/crypt32/tests/encode.c index c47fd823673..11840d817fe 100644 --- a/dlls/crypt32/tests/encode.c +++ b/dlls/crypt32/tests/encode.c @@ -8760,6 +8760,78 @@ static void test_encodeOCSPRequestInfo(DWORD dwEncoding) LocalFree(buf); }
+static const BYTE ocsp_response[] = { + 0x30, 0x03, 0x0a, 0x01, 0x06 +}; + +static const BYTE ocsp_response2[] = { + 0x30, 0x82, 0x01, 0xd3, 0x0a, 0x01, 0x00, 0xa0, 0x82, 0x01, 0xcc, 0x30, + 0x82, 0x01, 0xc8, 0x06, 0x09, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x30, + 0x01, 0x01, 0x04, 0x82, 0x01, 0xb9, 0x30, 0x82, 0x01, 0xb5, 0x30, 0x81, + 0x9e, 0xa2, 0x16, 0x04, 0x14, 0xb7, 0x6b, 0xa2, 0xea, 0xa8, 0xaa, 0x84, + 0x8c, 0x79, 0xea, 0xb4, 0xda, 0x0f, 0x98, 0xb2, 0xc5, 0x95, 0x76, 0xb9, + 0xf4, 0x18, 0x0f, 0x32, 0x30, 0x32, 0x32, 0x30, 0x33, 0x30, 0x37, 0x31, + 0x38, 0x33, 0x36, 0x34, 0x33, 0x5a, 0x30, 0x73, 0x30, 0x71, 0x30, 0x49, + 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1a, 0x05, 0x00, 0x04, + 0x14, 0xe4, 0xe3, 0x95, 0xa2, 0x29, 0xd3, 0xd4, 0xc1, 0xc3, 0x1f, 0xf0, + 0x98, 0x0c, 0x0b, 0x4e, 0xc0, 0x09, 0x8a, 0xab, 0xd8, 0x04, 0x14, 0xb7, + 0x6b, 0xa2, 0xea, 0xa8, 0xaa, 0x84, 0x8c, 0x79, 0xea, 0xb4, 0xda, 0x0f, + 0x98, 0xb2, 0xc5, 0x95, 0x76, 0xb9, 0xf4, 0x02, 0x10, 0x08, 0x49, 0x8f, + 0x6d, 0xd9, 0xef, 0xfb, 0x40, 0x55, 0x1e, 0xac, 0x54, 0x54, 0x87, 0xc1, + 0xb1, 0x80, 0x00, 0x18, 0x0f, 0x32, 0x30, 0x32, 0x32, 0x30, 0x33, 0x30, + 0x37, 0x31, 0x38, 0x32, 0x31, 0x30, 0x31, 0x5a, 0xa0, 0x11, 0x18, 0x0f, + 0x32, 0x30, 0x32, 0x32, 0x30, 0x33, 0x31, 0x34, 0x31, 0x37, 0x33, 0x36, + 0x30, 0x31, 0x5a, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, + 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x2a, + 0xf3, 0x5f, 0xf7, 0x72, 0x6b, 0x27, 0x38, 0x6b, 0xae, 0x66, 0x42, 0xe0, + 0x3b, 0xc6, 0x44, 0x5f, 0x95, 0xe2, 0x1f, 0xbc, 0x3f, 0xb3, 0x1d, 0x6c, + 0x6c, 0x7c, 0x91, 0xb3, 0x02, 0x23, 0x0f, 0xf0, 0x13, 0x5f, 0x62, 0x92, + 0x0d, 0x91, 0xa9, 0x8f, 0x66, 0xe9, 0x18, 0xe3, 0xb1, 0xe0, 0x4c, 0x63, + 0x40, 0x9e, 0x14, 0x26, 0x28, 0x7a, 0x5e, 0x51, 0x99, 0x43, 0x1c, 0xd5, + 0xbd, 0x84, 0x88, 0x68, 0xd9, 0x0e, 0xd9, 0xf4, 0x78, 0x48, 0x9f, 0x01, + 0x4c, 0x34, 0x14, 0x1e, 0x7c, 0x72, 0x9c, 0xdd, 0x94, 0xcb, 0x6e, 0x28, + 0xf5, 0x76, 0x75, 0xa2, 0xbe, 0x4b, 0x52, 0xac, 0x38, 0x9d, 0xce, 0x52, + 0x68, 0x33, 0xbc, 0x52, 0xc7, 0xdc, 0x2f, 0x19, 0xff, 0x15, 0x9c, 0x4b, + 0xdb, 0x83, 0x4e, 0xd7, 0xf6, 0x9b, 0x7f, 0x76, 0x58, 0xa5, 0x46, 0x49, + 0xe3, 0x2d, 0x41, 0x26, 0xf8, 0xce, 0xb7, 0x56, 0x61, 0xb2, 0x88, 0x65, + 0x2b, 0xb8, 0x4d, 0xf2, 0xf2, 0x32, 0x50, 0x53, 0x8b, 0x0d, 0xc6, 0x58, + 0xac, 0xd8, 0xe4, 0x8d, 0x38, 0x9e, 0x61, 0xeb, 0x6b, 0xd2, 0xd6, 0x50, + 0x8d, 0xfa, 0x93, 0x47, 0x4e, 0x6e, 0x2b, 0xd3, 0xb9, 0xdc, 0xb9, 0xb5, + 0x86, 0x46, 0xcb, 0xda, 0xd9, 0xd8, 0xd5, 0x99, 0x7a, 0x7c, 0x73, 0xee, + 0xc1, 0x52, 0x8e, 0xc5, 0xca, 0x28, 0x1d, 0x15, 0x94, 0x06, 0xa0, 0xa5, + 0x01, 0xf3, 0xbd, 0x67, 0x3f, 0x3d, 0x46, 0x63, 0xc5, 0xba, 0xd5, 0x12, + 0xde, 0xb4, 0xc5, 0x86, 0xfe, 0x97, 0x6b, 0x70, 0xfe, 0xa4, 0x6a, 0x25, + 0x63, 0x8e, 0xcf, 0xa4, 0x13, 0x1c, 0x2b, 0xf7, 0xf4, 0xc9, 0x79, 0x8e, + 0x07, 0xa3, 0x25, 0x9f, 0xcf, 0x33, 0x65, 0x49, 0x84, 0xad, 0x7f, 0x90, + 0x44, 0x85, 0xd8, 0xa7, 0x73, 0x53, 0x56, 0x73, 0xca, 0x15, 0x39, 0x99, + 0x5f, 0x39, 0xfd +}; + +static void test_decodeOCSPResponseInfo(DWORD dwEncoding) +{ + OCSP_RESPONSE_INFO *info; + DWORD size; + BOOL ret; + + ret = pCryptDecodeObjectEx(dwEncoding, OCSP_RESPONSE, ocsp_response, sizeof(ocsp_response), + CRYPT_DECODE_ALLOC_FLAG, NULL, &info, &size); + ok(ret, "got %08lx\n", GetLastError()); + ok(info->dwStatus == OCSP_UNAUTHORIZED_RESPONSE, "got %lu\n", info->dwStatus); + ok(info->pszObjId == NULL, "got %s\n", wine_dbgstr_a(info->pszObjId)); + ok(!info->Value.cbData, "got %lu\n", info->Value.cbData); + ok(info->Value.pbData == NULL, "got %p\n", info->Value.pbData); + LocalFree(info); + + ret = pCryptDecodeObjectEx(dwEncoding, OCSP_RESPONSE, ocsp_response2, sizeof(ocsp_response2), + CRYPT_DECODE_ALLOC_FLAG, NULL, &info, &size); + ok(ret, "got %08lx\n", GetLastError()); + ok(info->dwStatus == OCSP_SUCCESSFUL_RESPONSE, "got %lu\n", info->dwStatus); + ok(!strcmp(info->pszObjId, szOID_PKIX_OCSP_BASIC_SIGNED_RESPONSE), "got %s\n", wine_dbgstr_a(info->pszObjId)); + ok(info->Value.cbData == 441, "got %lu\n", info->Value.cbData); + ok(info->Value.pbData != NULL, "got %p\n", info->Value.pbData); + LocalFree(info); +} + START_TEST(encode) { static const DWORD encodings[] = { X509_ASN_ENCODING, PKCS_7_ASN_ENCODING, @@ -8854,6 +8926,7 @@ START_TEST(encode) test_decodeCertPolicyConstraints(encodings[i]); test_decodeRsaPrivateKey(encodings[i]); test_encodeOCSPRequestInfo(encodings[i]); + test_decodeOCSPResponseInfo(encodings[i]); } testPortPublicKeyInfo(); }