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crypt32: Implement decoding CERT_POLICY_QUALIFIER_USER_NOTICE.

This commit is contained in:
Juan Lang 2008-11-14 14:55:35 -08:00 committed by Alexandre Julliard
parent 3dd2cc5eaa
commit 8729e6956b
2 changed files with 268 additions and 4 deletions
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266
dlls/crypt32/decode.c
View File

@ -2241,6 +2241,267 @@ static BOOL WINAPI CRYPT_AsnDecodeSMIMECapabilities(DWORD dwCertEncodingType,
return ret;
}
static BOOL CRYPT_AsnDecodeIA5String(const BYTE *pbEncoded,
DWORD cbEncoded, DWORD dwFlags, void *pvStructInfo, DWORD *pcbStructInfo,
DWORD *pcbDecoded)
{
BOOL ret = TRUE;
DWORD dataLen;
LPSTR *pStr = pvStructInfo;
if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
{
BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
DWORD bytesNeeded = sizeof(LPSTR) + sizeof(char);
if (pbEncoded[0] != ASN_IA5STRING)
{
SetLastError(CRYPT_E_ASN1_CORRUPT);
ret = FALSE;
}
else
{
bytesNeeded += dataLen;
if (pcbDecoded)
*pcbDecoded = 1 + lenBytes + dataLen;
if (!pvStructInfo)
*pcbStructInfo = bytesNeeded;
else if (*pcbStructInfo < bytesNeeded)
{
*pcbStructInfo = bytesNeeded;
SetLastError(ERROR_MORE_DATA);
ret = FALSE;
}
else
{
*pcbStructInfo = bytesNeeded;
if (dataLen)
{
LPSTR str = *pStr;
assert(str);
memcpy(str, pbEncoded + 1 + lenBytes, dataLen);
str[dataLen] = 0;
}
else
*pStr = NULL;
}
}
}
return ret;
}
static BOOL CRYPT_AsnDecodeIntArray(const BYTE *pbEncoded,
DWORD cbEncoded, DWORD dwFlags, void *pvStructInfo, DWORD *pcbStructInfo,
DWORD *pcbDecoded)
{
struct AsnArrayDescriptor arrayDesc = { ASN_SEQUENCEOF,
CRYPT_AsnDecodeIntInternal, sizeof(int), FALSE, 0 };
struct GenericArray *array = pvStructInfo;
BOOL ret;
TRACE("(%p, %d, %08x, %p, %d)\n", pbEncoded, cbEncoded, dwFlags,
pvStructInfo, pvStructInfo ? *pcbDecoded : 0);
ret = CRYPT_AsnDecodeArray(&arrayDesc, pbEncoded, cbEncoded, dwFlags,
NULL, pvStructInfo, pcbStructInfo, pcbDecoded,
array ? array->rgItems : NULL);
TRACE("returning %d\n", ret);
return ret;
}
static BOOL CRYPT_AsnDecodeNoticeReference(const BYTE *pbEncoded,
DWORD cbEncoded, DWORD dwFlags, void *pvStructInfo, DWORD *pcbStructInfo,
DWORD *pcbDecoded)
{
BOOL ret;
struct AsnDecodeSequenceItem items[] = {
{ ASN_IA5STRING, offsetof(CERT_POLICY_QUALIFIER_NOTICE_REFERENCE,
pszOrganization), CRYPT_AsnDecodeIA5String, sizeof(LPSTR), FALSE, TRUE,
offsetof(CERT_POLICY_QUALIFIER_NOTICE_REFERENCE, pszOrganization), 0 },
{ ASN_SEQUENCEOF, offsetof(CERT_POLICY_QUALIFIER_NOTICE_REFERENCE,
cNoticeNumbers), CRYPT_AsnDecodeIntArray, sizeof(struct GenericArray),
FALSE, TRUE, offsetof(CERT_POLICY_QUALIFIER_NOTICE_REFERENCE,
rgNoticeNumbers), 0 },
};
DWORD bytesNeeded;
TRACE("%p, %d, %08x, %p, %d\n", pbEncoded, cbEncoded, dwFlags,
pvStructInfo, pvStructInfo ? *pcbStructInfo : 0);
ret = CRYPT_AsnDecodeSequence(items, sizeof(items) / sizeof(items[0]),
pbEncoded, cbEncoded, dwFlags, NULL, NULL, &bytesNeeded, pcbDecoded,
NULL);
if (ret)
{
/* The caller is expecting a pointer to a
* CERT_POLICY_QUALIFIER_NOTICE_REFERENCE to be decoded, whereas
* CRYPT_AsnDecodeSequence is decoding a
* CERT_POLICY_QUALIFIER_NOTICE_REFERENCE. Increment the bytes
* needed, and decode again if the requisite space is available.
*/
bytesNeeded += sizeof(PCERT_POLICY_QUALIFIER_NOTICE_REFERENCE);
if (!pvStructInfo)
*pcbStructInfo = bytesNeeded;
else if (*pcbStructInfo < bytesNeeded)
{
*pcbStructInfo = bytesNeeded;
SetLastError(ERROR_MORE_DATA);
ret = FALSE;
}
else
{
PCERT_POLICY_QUALIFIER_NOTICE_REFERENCE noticeRef;
*pcbStructInfo = bytesNeeded;
/* The pointer (pvStructInfo) passed in points to the first dynamic
* pointer, so use it as the pointer to the
* CERT_POLICY_QUALIFIER_NOTICE_REFERENCE, and create the
* appropriate offset for the first dynamic pointer within the
* notice reference by pointing to the first memory location past
* the CERT_POLICY_QUALIFIER_NOTICE_REFERENCE.
*/
noticeRef =
*(PCERT_POLICY_QUALIFIER_NOTICE_REFERENCE *)pvStructInfo;
noticeRef->pszOrganization = (LPSTR)((LPBYTE)noticeRef +
sizeof(CERT_POLICY_QUALIFIER_NOTICE_REFERENCE));
ret = CRYPT_AsnDecodeSequence(items,
sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags,
NULL, noticeRef, &bytesNeeded, pcbDecoded,
noticeRef->pszOrganization);
}
}
TRACE("returning %d\n", ret);
return ret;
}
static BOOL CRYPT_AsnDecodeBMPString(const BYTE *pbEncoded,
DWORD cbEncoded, DWORD dwFlags, void *pvStructInfo, DWORD *pcbStructInfo,
DWORD *pcbDecoded)
{
BOOL ret = TRUE;
DWORD dataLen;
LPWSTR *pStr = pvStructInfo;
if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
{
BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
DWORD bytesNeeded = sizeof(LPWSTR) + sizeof(WCHAR);
if (pbEncoded[0] != ASN_BMPSTRING)
{
SetLastError(CRYPT_E_ASN1_CORRUPT);
ret = FALSE;
}
else
{
bytesNeeded += dataLen;
if (pcbDecoded)
*pcbDecoded = 1 + lenBytes + dataLen;
if (!pvStructInfo)
*pcbStructInfo = bytesNeeded;
else if (*pcbStructInfo < bytesNeeded)
{
*pcbStructInfo = bytesNeeded;
SetLastError(ERROR_MORE_DATA);
ret = FALSE;
}
else
{
*pcbStructInfo = bytesNeeded;
if (dataLen)
{
DWORD i;
LPWSTR str = *pStr;
assert(str);
for (i = 0; i < dataLen / 2; i++)
str[i] = (pbEncoded[1 + lenBytes + 2 * i] << 8) |
pbEncoded[1 + lenBytes + 2 * i + 1];
str[i] = 0;
}
else
*pStr = NULL;
}
}
}
return ret;
}
static BOOL CRYPT_AsnDecodePolicyQualifierUserNoticeInternal(
const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags, void *pvStructInfo,
DWORD *pcbStructInfo, DWORD *pcbDecoded)
{
BOOL ret;
struct AsnDecodeSequenceItem items[] = {
{ ASN_SEQUENCE, offsetof(CERT_POLICY_QUALIFIER_USER_NOTICE,
pNoticeReference), CRYPT_AsnDecodeNoticeReference,
sizeof(PCERT_POLICY_QUALIFIER_NOTICE_REFERENCE), TRUE, TRUE,
offsetof(CERT_POLICY_QUALIFIER_USER_NOTICE, pNoticeReference), 0 },
{ ASN_BMPSTRING, offsetof(CERT_POLICY_QUALIFIER_USER_NOTICE,
pszDisplayText), CRYPT_AsnDecodeBMPString, sizeof(LPWSTR), TRUE, TRUE,
offsetof(CERT_POLICY_QUALIFIER_USER_NOTICE, pszDisplayText), 0 },
};
PCERT_POLICY_QUALIFIER_USER_NOTICE notice = pvStructInfo;
TRACE("%p, %d, %08x, %p, %d\n", pbEncoded, cbEncoded, dwFlags,
pvStructInfo, *pcbStructInfo);
ret = CRYPT_AsnDecodeSequence(items, sizeof(items) / sizeof(items[0]),
pbEncoded, cbEncoded, dwFlags, NULL, pvStructInfo, pcbStructInfo,
pcbDecoded, notice ? notice->pNoticeReference : NULL);
TRACE("returning %d\n", ret);
return ret;
}
static BOOL WINAPI CRYPT_AsnDecodePolicyQualifierUserNotice(
DWORD dwCertEncodingType, LPCSTR lpszStructType, const BYTE *pbEncoded,
DWORD cbEncoded, DWORD dwFlags, PCRYPT_DECODE_PARA pDecodePara,
void *pvStructInfo, DWORD *pcbStructInfo)
{
BOOL ret = FALSE;
TRACE("%p, %d, %08x, %p, %p, %d\n", pbEncoded, cbEncoded, dwFlags,
pDecodePara, pvStructInfo, *pcbStructInfo);
__TRY
{
DWORD bytesNeeded;
ret = CRYPT_AsnDecodePolicyQualifierUserNoticeInternal(pbEncoded,
cbEncoded, dwFlags & ~CRYPT_DECODE_ALLOC_FLAG, NULL, &bytesNeeded,
NULL);
if (ret)
{
if (!pvStructInfo)
*pcbStructInfo = bytesNeeded;
else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
pvStructInfo, pcbStructInfo, bytesNeeded)))
{
PCERT_POLICY_QUALIFIER_USER_NOTICE notice;
if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
pvStructInfo = *(BYTE **)pvStructInfo;
notice = pvStructInfo;
notice->pNoticeReference =
(PCERT_POLICY_QUALIFIER_NOTICE_REFERENCE)
((BYTE *)pvStructInfo +
sizeof(CERT_POLICY_QUALIFIER_USER_NOTICE));
ret = CRYPT_AsnDecodePolicyQualifierUserNoticeInternal(
pbEncoded, cbEncoded, dwFlags & ~CRYPT_DECODE_ALLOC_FLAG,
pvStructInfo, &bytesNeeded, NULL);
}
}
}
__EXCEPT_PAGE_FAULT
{
SetLastError(STATUS_ACCESS_VIOLATION);
}
__ENDTRY
TRACE("returning %d\n", ret);
return ret;
}
static BOOL CRYPT_AsnDecodePKCSAttributeInternal(const BYTE *pbEncoded,
DWORD cbEncoded, DWORD dwFlags, void *pvStructInfo, DWORD *pcbStructInfo,
DWORD *pcbDecoded)
@ -4872,6 +5133,9 @@ static CryptDecodeObjectExFunc CRYPT_GetBuiltinDecoder(DWORD dwCertEncodingType,
case LOWORD(PKCS_SMIME_CAPABILITIES):
decodeFunc = CRYPT_AsnDecodeSMIMECapabilities;
break;
case LOWORD(X509_PKIX_POLICY_QUALIFIER_USERNOTICE):
decodeFunc = CRYPT_AsnDecodePolicyQualifierUserNotice;
break;
case LOWORD(PKCS_ATTRIBUTES):
decodeFunc = CRYPT_AsnDecodePKCSAttributes;
break;
@ -4929,6 +5193,8 @@ static CryptDecodeObjectExFunc CRYPT_GetBuiltinDecoder(DWORD dwCertEncodingType,
decodeFunc = CRYPT_AsnDecodeNameConstraints;
else if (!strcmp(lpszStructType, szOID_AUTHORITY_INFO_ACCESS))
decodeFunc = CRYPT_AsnDecodeAuthorityInfoAccess;
else if (!strcmp(lpszStructType, szOID_PKIX_POLICY_QUALIFIER_USERNOTICE))
decodeFunc = CRYPT_AsnDecodePolicyQualifierUserNotice;
else if (!strcmp(lpszStructType, szOID_CTL))
decodeFunc = CRYPT_AsnDecodeCTL;
return decodeFunc;

6
dlls/crypt32/tests/encode.c
View File

@ -7109,7 +7109,6 @@ static void test_decodePolicyQualifierUserNotice(DWORD dwEncoding)
X509_PKIX_POLICY_QUALIFIER_USERNOTICE,
emptySequence, sizeof(emptySequence), CRYPT_DECODE_ALLOC_FLAG, NULL,
&notice, &size);
todo_wine
ok(ret, "CryptDecodeObjectEx failed: %08x\n", GetLastError());
if (ret)
{
@ -7121,7 +7120,6 @@ static void test_decodePolicyQualifierUserNotice(DWORD dwEncoding)
X509_PKIX_POLICY_QUALIFIER_USERNOTICE,
noticeWithDisplayText, sizeof(noticeWithDisplayText),
CRYPT_DECODE_ALLOC_FLAG, NULL, &notice, &size);
todo_wine
ok(ret, "CryptDecodeObjectEx failed: %08x\n", GetLastError());
if (ret)
{
@ -7134,7 +7132,6 @@ static void test_decodePolicyQualifierUserNotice(DWORD dwEncoding)
X509_PKIX_POLICY_QUALIFIER_USERNOTICE,
noticeWithReference, sizeof(noticeWithReference),
CRYPT_DECODE_ALLOC_FLAG, NULL, &notice, &size);
todo_wine
ok(ret, "CryptDecodeObjectEx failed: %08x\n", GetLastError());
if (ret)
{
@ -7144,7 +7141,8 @@ static void test_decodePolicyQualifierUserNotice(DWORD dwEncoding)
if (notice->pNoticeReference)
{
ok(!strcmp(notice->pNoticeReference->pszOrganization, org),
"unexpected organization\n");
"unexpected organization %s\n",
notice->pNoticeReference->pszOrganization);
ok(notice->pNoticeReference->cNoticeNumbers == 2,
"expected 2 notice numbers, got %d\n",
notice->pNoticeReference->cNoticeNumbers);