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crypt32: Partially implement updating decode messages.

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This commit is contained in:
Juan Lang 2007-07-13 11:45:03 -07:00 committed by Alexandre Julliard
parent 6a07ca4442
commit 2cca297ba6
2 changed files with 106 additions and 16 deletions
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111
dlls/crypt32/msg.c
View file

@ -607,9 +607,10 @@ HCRYPTMSG WINAPI CryptMsgOpenToEncode(DWORD dwMsgEncodingType, DWORD dwFlags,
typedef struct _CDecodeMsg
{
CryptMsgBase base;
DWORD type;
HCRYPTPROV crypt_prov;
CryptMsgBase base;
DWORD type;
HCRYPTPROV crypt_prov;
CRYPT_DATA_BLOB msg_data;
} CDecodeMsg;
static void CDecodeMsg_Close(HCRYPTMSG hCryptMsg)
@ -618,13 +619,111 @@ static void CDecodeMsg_Close(HCRYPTMSG hCryptMsg)
if (msg->base.open_flags & CMSG_CRYPT_RELEASE_CONTEXT_FLAG)
CryptReleaseContext(msg->crypt_prov, 0);
CryptMemFree(msg->msg_data.pbData);
}
static BOOL CDecodeMsg_CopyData(CDecodeMsg *msg, const BYTE *pbData,
DWORD cbData)
{
BOOL ret = TRUE;
if (cbData)
{
if (msg->msg_data.cbData)
msg->msg_data.pbData = CryptMemRealloc(msg->msg_data.pbData,
msg->msg_data.cbData + cbData);
else
msg->msg_data.pbData = CryptMemAlloc(cbData);
if (msg->msg_data.pbData)
{
memcpy(msg->msg_data.pbData + msg->msg_data.cbData, pbData, cbData);
msg->msg_data.cbData += cbData;
}
else
ret = FALSE;
}
return ret;
}
/* Decodes the content in blob as the type given, and updates the value
* (type, parameters, etc.) of msg based on what blob contains.
* It doesn't just use msg's type, to allow a recursive call from an implicitly
* typed message once the outer content info has been decoded.
*/
static BOOL CDecodeMsg_DecodeContent(CDecodeMsg *msg, CRYPT_DER_BLOB *blob,
DWORD type)
{
BOOL ret;
switch (type)
{
case CMSG_DATA:
case CMSG_HASHED:
case CMSG_ENVELOPED:
case CMSG_SIGNED:
FIXME("unimplemented for type %s\n", MSG_TYPE_STR(type));
ret = TRUE;
break;
default:
{
CRYPT_CONTENT_INFO *info;
DWORD size;
ret = CryptDecodeObjectEx(X509_ASN_ENCODING, PKCS_CONTENT_INFO,
msg->msg_data.pbData, msg->msg_data.cbData, CRYPT_DECODE_ALLOC_FLAG,
NULL, (LPBYTE)&info, &size);
if (ret)
{
if (!strcmp(info->pszObjId, szOID_RSA_data))
ret = CDecodeMsg_DecodeContent(msg, &info->Content, CMSG_DATA);
else if (!strcmp(info->pszObjId, szOID_RSA_digestedData))
ret = CDecodeMsg_DecodeContent(msg, &info->Content,
CMSG_HASHED);
else if (!strcmp(info->pszObjId, szOID_RSA_envelopedData))
ret = CDecodeMsg_DecodeContent(msg, &info->Content,
CMSG_ENVELOPED);
else if (!strcmp(info->pszObjId, szOID_RSA_signedData))
ret = CDecodeMsg_DecodeContent(msg, &info->Content,
CMSG_SIGNED);
else
{
SetLastError(CRYPT_E_INVALID_MSG_TYPE);
ret = FALSE;
}
LocalFree(info);
}
}
}
return ret;
}
static BOOL CDecodeMsg_Update(HCRYPTMSG hCryptMsg, const BYTE *pbData,
DWORD cbData, BOOL fFinal)
{
FIXME("(%p, %p, %d, %d): stub\n", hCryptMsg, pbData, cbData, fFinal);
return FALSE;
CDecodeMsg *msg = (CDecodeMsg *)hCryptMsg;
BOOL ret = FALSE;
TRACE("(%p, %p, %d, %d)\n", hCryptMsg, pbData, cbData, fFinal);
if (msg->base.streamed)
{
ret = CDecodeMsg_CopyData(msg, pbData, cbData);
FIXME("(%p, %p, %d, %d): streamed update stub\n", hCryptMsg, pbData,
cbData, fFinal);
}
else
{
if (!fFinal)
SetLastError(CRYPT_E_MSG_ERROR);
else
{
ret = CDecodeMsg_CopyData(msg, pbData, cbData);
if (ret)
ret = CDecodeMsg_DecodeContent(msg, &msg->msg_data, msg->type);
}
}
return ret;
}
static BOOL CDecodeMsg_GetParam(HCRYPTMSG hCryptMsg, DWORD dwParamType,
@ -673,6 +772,8 @@ HCRYPTMSG WINAPI CryptMsgOpenToDecode(DWORD dwMsgEncodingType, DWORD dwFlags,
msg->crypt_prov = CRYPT_GetDefaultProvider();
msg->base.open_flags &= ~CMSG_CRYPT_RELEASE_CONTEXT_FLAG;
}
msg->msg_data.cbData = 0;
msg->msg_data.pbData = NULL;
}
return msg;
}

11
dlls/crypt32/tests/msg.c
View file

@ -989,7 +989,6 @@ static void test_decode_msg_update(void)
msg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING, 0, 0, 0, NULL, NULL);
/* Update with a full message in a final update */
ret = CryptMsgUpdate(msg, dataEmptyContent, sizeof(dataEmptyContent), TRUE);
todo_wine
ok(ret, "CryptMsgUpdate failed: %x\n", GetLastError());
/* Can't update after a final update */
SetLastError(0xdeadbeef);
@ -1003,12 +1002,10 @@ static void test_decode_msg_update(void)
SetLastError(0xdeadbeef);
ret = CryptMsgUpdate(msg, dataEmptyContent, sizeof(dataEmptyContent),
FALSE);
todo_wine
ok(!ret && GetLastError() == CRYPT_E_MSG_ERROR,
"Expected CRYPT_E_MSG_ERROR, got %x\n", GetLastError());
/* A subsequent final update succeeds */
ret = CryptMsgUpdate(msg, dataEmptyContent, sizeof(dataEmptyContent), TRUE);
todo_wine
ok(ret, "CryptMsgUpdate failed: %x\n", GetLastError());
CryptMsgClose(msg);
@ -1035,7 +1032,6 @@ static void test_decode_msg_update(void)
/* Empty non-final updates are allowed when streaming.. */
msg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING, 0, 0, 0, NULL, &streamInfo);
ret = CryptMsgUpdate(msg, NULL, 0, FALSE);
todo_wine
ok(ret, "CryptMsgUpdate failed: %x\n", GetLastError());
/* but final updates aren't when not enough data has been received. */
SetLastError(0xdeadbeef);
@ -1051,11 +1047,9 @@ static void test_decode_msg_update(void)
msg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING, 0, 0, 0, NULL, &streamInfo);
for (i = 0, ret = TRUE; ret && i < sizeof(dataEmptyContent); i++)
ret = CryptMsgUpdate(msg, &dataEmptyContent[i], 1, FALSE);
todo_wine {
ok(ret, "CryptMsgUpdate failed on byte %d: %x\n", i, GetLastError());
ret = CryptMsgUpdate(msg, NULL, 0, TRUE);
ok(ret, "CryptMsgUpdate failed on byte %d: %x\n", i, GetLastError());
}
CryptMsgClose(msg);
todo_wine
check_updates("byte-by-byte empty content", &a4, &accum);
@ -1065,7 +1059,6 @@ static void test_decode_msg_update(void)
msg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING, 0, 0, 0, NULL, NULL);
SetLastError(0xdeadbeef);
ret = CryptMsgUpdate(msg, msgData, sizeof(msgData), TRUE);
todo_wine
ok(!ret && GetLastError() == CRYPT_E_ASN1_BADTAG,
"Expected CRYPT_E_ASN1_BADTAG, got %x\n", GetLastError());
CryptMsgClose(msg);
@ -1092,7 +1085,6 @@ static void test_decode_msg_update(void)
msg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING, 0, 0, 0, NULL, NULL);
ret = CryptMsgUpdate(msg, dataEmptyContent, sizeof(dataEmptyContent),
TRUE);
todo_wine
ok(ret, "CryptMsgUpdate failed: %x\n", GetLastError());
/* but decoding it as an explicitly typed message fails. */
msg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING, 0, CMSG_DATA, 0, NULL,
@ -1111,7 +1103,6 @@ static void test_decode_msg_update(void)
SetLastError(0xdeadbeef);
ret = CryptMsgUpdate(msg, dataEmptyBareContent,
sizeof(dataEmptyBareContent), TRUE);
todo_wine
ok(!ret && GetLastError() == CRYPT_E_ASN1_BADTAG,
"Expected CRYPT_E_ASN1_BADTAG, got %x\n", GetLastError());
CryptMsgClose(msg);
@ -1120,7 +1111,6 @@ static void test_decode_msg_update(void)
NULL);
ret = CryptMsgUpdate(msg, dataEmptyBareContent,
sizeof(dataEmptyBareContent), TRUE);
todo_wine
ok(ret, "CryptMsgUpdate failed: %x\n", GetLastError());
CryptMsgClose(msg);
@ -1128,7 +1118,6 @@ static void test_decode_msg_update(void)
msg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING, 0, 0, 0, NULL, NULL);
SetLastError(0xdeadbeef);
ret = CryptMsgUpdate(msg, bogusOIDContent, sizeof(bogusOIDContent), TRUE);
todo_wine
ok(!ret && GetLastError() == CRYPT_E_INVALID_MSG_TYPE,
"Expected CRYPT_E_INVALID_MSG_TYPE, got %x\n", GetLastError());
CryptMsgClose(msg);