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crypt32: Implement PKCS_ATTRIBUTE encoding/decoding.

This commit is contained in:
Juan Lang 2007-06-12 15:00:01 -07:00 committed by Alexandre Julliard
parent bbcd95a7e1
commit 97f2c658fd
3 changed files with 196 additions and 0 deletions
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50
dlls/crypt32/decode.c
View File

@ -1795,6 +1795,53 @@ static BOOL WINAPI CRYPT_AsnDecodeCopyBytes(DWORD dwCertEncodingType,
return ret;
}
static BOOL WINAPI CRYPT_DecodeDERArray(DWORD dwCertEncodingType,
LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
{
BOOL ret;
struct AsnArrayDescriptor arrayDesc = { ASN_CONSTRUCTOR | ASN_SETOF,
CRYPT_AsnDecodeCopyBytes, sizeof(CRYPT_DER_BLOB), TRUE,
offsetof(CRYPT_DER_BLOB, pbData) };
struct GenericArray *array = (struct GenericArray *)pvStructInfo;
TRACE("%p, %d, %08x, %p, %p, %d\n", pbEncoded, cbEncoded, dwFlags,
pDecodePara, pvStructInfo, *pcbStructInfo);
ret = CRYPT_AsnDecodeArray(&arrayDesc, pbEncoded, cbEncoded, dwFlags,
pDecodePara, pvStructInfo, pcbStructInfo, array ? array->rgItems : NULL);
return ret;
}
static BOOL WINAPI CRYPT_AsnDecodePKCSAttribute(DWORD dwCertEncodingType,
LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
{
BOOL ret = FALSE;
__TRY
{
struct AsnDecodeSequenceItem items[] = {
{ ASN_OBJECTIDENTIFIER, offsetof(CRYPT_ATTRIBUTE, pszObjId),
CRYPT_AsnDecodeOidInternal, sizeof(LPSTR), FALSE, TRUE,
offsetof(CRYPT_ATTRIBUTE, pszObjId), 0 },
{ ASN_CONSTRUCTOR | ASN_SETOF, offsetof(CRYPT_ATTRIBUTE, cValue),
CRYPT_DecodeDERArray, sizeof(struct GenericArray), FALSE, TRUE,
offsetof(CRYPT_ATTRIBUTE, rgValue), 0 },
};
ret = CRYPT_AsnDecodeSequence(dwCertEncodingType, items,
sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags,
pDecodePara, pvStructInfo, pcbStructInfo, NULL);
}
__EXCEPT_PAGE_FAULT
{
SetLastError(STATUS_ACCESS_VIOLATION);
}
__ENDTRY
return ret;
}
static BOOL WINAPI CRYPT_AsnDecodeAlgorithmId(DWORD dwCertEncodingType,
LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
@ -3628,6 +3675,9 @@ BOOL WINAPI CryptDecodeObjectEx(DWORD dwCertEncodingType, LPCSTR lpszStructType,
case (WORD)X509_UNICODE_NAME:
decodeFunc = CRYPT_AsnDecodeUnicodeName;
break;
case (WORD)PKCS_ATTRIBUTE:
decodeFunc = CRYPT_AsnDecodePKCSAttribute;
break;
case (WORD)X509_UNICODE_NAME_VALUE:
decodeFunc = CRYPT_AsnDecodeUnicodeNameValue;
break;

35
dlls/crypt32/encode.c
View File

@ -1362,6 +1362,38 @@ static BOOL WINAPI CRYPT_AsnEncodeUnicodeName(DWORD dwCertEncodingType,
return ret;
}
static BOOL WINAPI CRYPT_AsnEncodePKCSAttribute(DWORD dwCertEncodingType,
LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
{
BOOL ret = FALSE;
__TRY
{
const CRYPT_ATTRIBUTE *attr = (const CRYPT_ATTRIBUTE *)pvStructInfo;
if (!attr->pszObjId)
SetLastError(E_INVALIDARG);
else
{
struct AsnEncodeSequenceItem items[2] = {
{ attr->pszObjId, CRYPT_AsnEncodeOid, 0 },
{ &attr->cValue, CRYPT_DEREncodeSet, 0 },
};
ret = CRYPT_AsnEncodeSequence(dwCertEncodingType, items,
sizeof(items) / sizeof(items[0]), dwFlags, pEncodePara, pbEncoded,
pcbEncoded);
}
}
__EXCEPT_PAGE_FAULT
{
SetLastError(STATUS_ACCESS_VIOLATION);
}
__ENDTRY
return ret;
}
static BOOL WINAPI CRYPT_AsnEncodePKCSContentInfo(DWORD dwCertEncodingType,
LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
@ -3071,6 +3103,9 @@ BOOL WINAPI CryptEncodeObjectEx(DWORD dwCertEncodingType, LPCSTR lpszStructType,
case (WORD)PKCS_CONTENT_INFO:
encodeFunc = CRYPT_AsnEncodePKCSContentInfo;
break;
case (WORD)PKCS_ATTRIBUTE:
encodeFunc = CRYPT_AsnEncodePKCSAttribute;
break;
case (WORD)X509_UNICODE_NAME_VALUE:
encodeFunc = CRYPT_AsnEncodeUnicodeNameValue;
break;

111
dlls/crypt32/tests/encode.c
View File

@ -4631,6 +4631,115 @@ static void test_decodePKCSContentInfo(DWORD dwEncoding)
}
}
static const BYTE emptyPKCSAttr[] = { 0x30,0x06,0x06,0x02,0x2a,0x03,0x31,
0x00 };
static const BYTE bogusPKCSAttr[] = { 0x30,0x07,0x06,0x02,0x2a,0x03,0x31,0x01,
0x01 };
static const BYTE intPKCSAttr[] = { 0x30,0x09,0x06,0x02,0x2a,0x03,0x31,0x03,
0x02,0x01,0x01 };
static void test_encodePKCSAttribute(DWORD dwEncoding)
{
CRYPT_ATTRIBUTE attr = { 0 };
BOOL ret;
LPBYTE buf = NULL;
DWORD size = 0;
CRYPT_ATTR_BLOB blob;
char oid[] = "1.2.3";
SetLastError(0xdeadbeef);
ret = CryptEncodeObjectEx(dwEncoding, PKCS_ATTRIBUTE, NULL,
CRYPT_ENCODE_ALLOC_FLAG, NULL, (BYTE *)&buf, &size);
ok(!ret && GetLastError() == STATUS_ACCESS_VIOLATION,
"Expected STATUS_ACCESS_VIOLATION, got %x\n", GetLastError());
SetLastError(0xdeadbeef);
ret = CryptEncodeObjectEx(dwEncoding, PKCS_ATTRIBUTE, &attr,
CRYPT_ENCODE_ALLOC_FLAG, NULL, (BYTE *)&buf, &size);
ok(!ret && GetLastError() == E_INVALIDARG,
"Expected E_INVALIDARG, got %x\n", GetLastError());
attr.pszObjId = oid;
ret = CryptEncodeObjectEx(dwEncoding, PKCS_ATTRIBUTE, &attr,
CRYPT_ENCODE_ALLOC_FLAG, NULL, (BYTE *)&buf, &size);
ok(ret, "CryptEncodeObjectEx failed: %x\n", GetLastError());
if (buf)
{
ok(size == sizeof(emptyPKCSAttr), "Unexpected size %d\n", size);
ok(!memcmp(buf, emptyPKCSAttr, size), "Unexpected value\n");
LocalFree(buf);
}
blob.cbData = sizeof(bogusDER);
blob.pbData = bogusDER;
attr.cValue = 1;
attr.rgValue = &blob;
ret = CryptEncodeObjectEx(dwEncoding, PKCS_ATTRIBUTE, &attr,
CRYPT_ENCODE_ALLOC_FLAG, NULL, (BYTE *)&buf, &size);
ok(ret, "CryptEncodeObjectEx failed: %x\n", GetLastError());
if (buf)
{
ok(size == sizeof(bogusPKCSAttr), "Unexpected size %d\n", size);
ok(!memcmp(buf, bogusPKCSAttr, size), "Unexpected value\n");
LocalFree(buf);
}
blob.pbData = (BYTE *)ints[0].encoded;
blob.cbData = ints[0].encoded[1] + 2;
ret = CryptEncodeObjectEx(dwEncoding, PKCS_ATTRIBUTE, &attr,
CRYPT_ENCODE_ALLOC_FLAG, NULL, (BYTE *)&buf, &size);
if (buf)
{
ok(size == sizeof(intPKCSAttr), "Unexpected size %d\n", size);
ok(!memcmp(buf, intPKCSAttr, size), "Unexpected value\n");
LocalFree(buf);
}
}
static void test_decodePKCSAttribute(DWORD dwEncoding)
{
BOOL ret;
LPBYTE buf = NULL;
DWORD size = 0;
CRYPT_ATTRIBUTE *attr;
ret = CryptDecodeObjectEx(dwEncoding, PKCS_ATTRIBUTE,
emptyPKCSAttr, sizeof(emptyPKCSAttr),
CRYPT_DECODE_ALLOC_FLAG, NULL, (BYTE *)&buf, &size);
ok(ret, "CryptDecodeObjectEx failed: %x\n", GetLastError());
if (buf)
{
attr = (CRYPT_ATTRIBUTE *)buf;
ok(!strcmp(attr->pszObjId, "1.2.3"), "Expected 1.2.3, got %s\n",
attr->pszObjId);
ok(attr->cValue == 0, "Expected no value, got %d\n", attr->cValue);
LocalFree(buf);
}
SetLastError(0xdeadbeef);
ret = CryptDecodeObjectEx(dwEncoding, PKCS_ATTRIBUTE,
bogusPKCSAttr, sizeof(bogusPKCSAttr),
CRYPT_DECODE_ALLOC_FLAG, NULL, (BYTE *)&buf, &size);
/* Native fails with CRYPT_E_ASN1_EOD, accept also CRYPT_E_ASN1_CORRUPT as
* I doubt an app depends on that.
*/
ok(!ret && (GetLastError() == CRYPT_E_ASN1_EOD ||
GetLastError() == CRYPT_E_ASN1_CORRUPT),
"Expected CRYPT_E_ASN1_EOD or CRYPT_E_ASN1_CORRUPT, got %x\n",
GetLastError());
ret = CryptDecodeObjectEx(dwEncoding, PKCS_ATTRIBUTE,
intPKCSAttr, sizeof(intPKCSAttr),
CRYPT_DECODE_ALLOC_FLAG, NULL, (BYTE *)&buf, &size);
ok(ret, "CryptDecodeObjectEx failed: %x\n", GetLastError());
if (buf)
{
attr = (CRYPT_ATTRIBUTE *)buf;
ok(!strcmp(attr->pszObjId, "1.2.3"), "Expected 1.2.3, got %s\n",
attr->pszObjId);
ok(attr->cValue == 1, "Expected 1 value, got %d\n", attr->cValue);
ok(attr->rgValue[0].cbData == ints[0].encoded[1] + 2,
"Unexpected size %d\n", attr->rgValue[0].cbData);
ok(!memcmp(attr->rgValue[0].pbData, ints[0].encoded,
attr->rgValue[0].cbData), "Unexpected value\n");
}
}
/* Free *pInfo with HeapFree */
static void testExportPublicKey(HCRYPTPROV csp, PCERT_PUBLIC_KEY_INFO *pInfo)
{
@ -4840,6 +4949,8 @@ START_TEST(encode)
test_decodeAuthorityKeyId2(encodings[i]);
test_encodePKCSContentInfo(encodings[i]);
test_decodePKCSContentInfo(encodings[i]);
test_encodePKCSAttribute(encodings[i]);
test_decodePKCSAttribute(encodings[i]);
}
testPortPublicKeyInfo();
}