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crypt32: Rewrite CDecodeMsg_Update for better detached data handling.

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This commit is contained in:
Juan Lang 2008-08-20 12:03:37 -07:00 committed by Alexandre Julliard
parent d3c8b59e02
commit 0a8d14c2e6
2 changed files with 41 additions and 30 deletions
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70
dlls/crypt32/msg.c
View file

@ -1491,6 +1491,7 @@ typedef struct _CDecodeMsg
CSignedMsgData signed_data;
} u;
CRYPT_DATA_BLOB msg_data;
CRYPT_DATA_BLOB detached_data;
PCONTEXT_PROPERTY_LIST properties;
} CDecodeMsg;
@ -1515,6 +1516,7 @@ static void CDecodeMsg_Close(HCRYPTMSG hCryptMsg)
break;
}
CryptMemFree(msg->msg_data.pbData);
CryptMemFree(msg->detached_data.pbData);
ContextPropertyList_Free(msg->properties);
}
@ -1763,30 +1765,38 @@ static BOOL CDecodeMsg_Update(HCRYPTMSG hCryptMsg, const BYTE *pbData,
{
FIXME("(%p, %p, %d, %d): streamed update stub\n", hCryptMsg, pbData,
cbData, fFinal);
if (fFinal)
switch (msg->base.state)
{
if (msg->base.open_flags & CMSG_DETACHED_FLAG &&
msg->base.state != MsgStateDataFinalized)
case MsgStateInit:
ret = CDecodeMsg_CopyData(&msg->msg_data, pbData, cbData);
if (fFinal)
{
ret = CDecodeMsg_CopyData(&msg->msg_data, pbData, cbData);
msg->base.state = MsgStateDataFinalized;
if (ret)
ret = CDecodeMsg_DecodeContent(msg, &msg->msg_data,
msg->type);
if (msg->base.open_flags & CMSG_DETACHED_FLAG)
msg->base.state = MsgStateDataFinalized;
else
msg->base.state = MsgStateFinalized;
}
else
{
FIXME("(%p, %p, %d, %d): detached update stub\n", hCryptMsg,
pbData, cbData, fFinal);
ret = TRUE;
msg->base.state = MsgStateFinalized;
}
}
else
{
ret = CDecodeMsg_CopyData(&msg->msg_data, pbData, cbData);
if (msg->base.state == MsgStateInit)
msg->base.state = MsgStateUpdated;
break;
case MsgStateUpdated:
ret = CDecodeMsg_CopyData(&msg->msg_data, pbData, cbData);
if (fFinal)
{
if (msg->base.open_flags & CMSG_DETACHED_FLAG)
msg->base.state = MsgStateDataFinalized;
else
msg->base.state = MsgStateFinalized;
}
break;
case MsgStateDataFinalized:
ret = CDecodeMsg_CopyData(&msg->detached_data, pbData, cbData);
if (fFinal)
msg->base.state = MsgStateFinalized;
break;
default:
SetLastError(CRYPT_E_MSG_ERROR);
break;
}
}
else
@ -1795,26 +1805,26 @@ static BOOL CDecodeMsg_Update(HCRYPTMSG hCryptMsg, const BYTE *pbData,
SetLastError(CRYPT_E_MSG_ERROR);
else
{
if (msg->base.state == MsgStateInit)
switch (msg->base.state)
{
case MsgStateInit:
ret = CDecodeMsg_CopyData(&msg->msg_data, pbData, cbData);
if (ret)
ret = CDecodeMsg_DecodeContent(msg, &msg->msg_data,
msg->type);
if (msg->base.open_flags & CMSG_DETACHED_FLAG)
msg->base.state = MsgStateDataFinalized;
else
msg->base.state = MsgStateFinalized;
}
else if (msg->base.state == MsgStateDataFinalized)
{
FIXME("(%p, %p, %d, %d): detached update stub\n", hCryptMsg,
pbData, cbData, fFinal);
ret = TRUE;
break;
case MsgStateDataFinalized:
ret = CDecodeMsg_CopyData(&msg->detached_data, pbData, cbData);
msg->base.state = MsgStateFinalized;
break;
default:
SetLastError(CRYPT_E_MSG_ERROR);
}
}
}
if (ret && msg->base.state == MsgStateFinalized)
ret = CDecodeMsg_DecodeContent(msg, &msg->msg_data, msg->type);
return ret;
}
@ -2648,6 +2658,8 @@ HCRYPTMSG WINAPI CryptMsgOpenToDecode(DWORD dwMsgEncodingType, DWORD dwFlags,
memset(&msg->u, 0, sizeof(msg->u));
msg->msg_data.cbData = 0;
msg->msg_data.pbData = NULL;
msg->detached_data.cbData = 0;
msg->detached_data.pbData = NULL;
msg->properties = ContextPropertyList_Create();
}
return msg;

1
dlls/crypt32/tests/msg.c
View file

@ -2080,7 +2080,6 @@ static void test_decode_msg_update(void)
msg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING, 0, 0, 0, NULL, &streamInfo);
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);