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libfreerdp-core: fix receiving of logon error info during capability exchange

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This commit is contained in:
Marc-André Moreau 2015-06-29 12:43:18 -04:00
parent a8e62e938a
commit 161359f6ec
3 changed files with 15 additions and 6 deletions
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15
libfreerdp/core/capabilities.c
View File

@ -3594,10 +3594,23 @@ BOOL rdp_recv_demand_active(rdpRdp* rdp, wStream* s)
return FALSE;
}
if (pduType == PDU_TYPE_DATA)
{
/**
* We can receive a Save Session Info Data PDU containing a LogonErrorInfo
* structure at this point from the server to indicate a connection error.
*/
if (rdp_recv_data_pdu(rdp, s) < 0)
return FALSE;
return FALSE;
}
if (pduType != PDU_TYPE_DEMAND_ACTIVE)
{
if (pduType != PDU_TYPE_SERVER_REDIRECTION)
WLog_ERR(TAG, "expected PDU_TYPE_DEMAND_ACTIVE %04x, got %04x", PDU_TYPE_DEMAND_ACTIVE, pduType);
WLog_ERR(TAG, "expected PDU_TYPE_DEMAND_ACTIVE %04x, got %04x", PDU_TYPE_DEMAND_ACTIVE, pduType);
return FALSE;
}

2
libfreerdp/core/info.c
View File

@ -726,7 +726,7 @@ BOOL rdp_recv_logon_error_info(rdpRdp* rdp, wStream* s)
UINT32 errorNotificationData;
UINT32 errorNotificationType;
if (Stream_GetRemainingLength(s) < 4)
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, errorNotificationData); /* errorNotificationData (4 bytes) */

4
libfreerdp/core/rdp.c
View File

@ -34,7 +34,6 @@
#define TAG FREERDP_TAG("core.rdp")
#ifdef WITH_DEBUG_RDP
const char* DATA_PDU_TYPE_STRINGS[80] =
{
"?", "?", /* 0x00 - 0x01 */
@ -72,7 +71,6 @@ const char* DATA_PDU_TYPE_STRINGS[80] =
"FrameAcknowledge", "?", "?", /* 0x38 - 0x40 */
"?", "?", "?", "?", "?", "?" /* 0x41 - 0x46 */
};
#endif
/**
* Read RDP Security Header.\n
@ -809,10 +807,8 @@ int rdp_recv_data_pdu(rdpRdp* rdp, wStream* s)
Stream_Seek(s, SrcSize);
}
#ifdef WITH_DEBUG_RDP
WLog_DBG(TAG, "recv %s Data PDU (0x%02X), length: %d",
type < ARRAYSIZE(DATA_PDU_TYPE_STRINGS) ? DATA_PDU_TYPE_STRINGS[type] : "???", type, length);
#endif
switch (type)
{