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[proxy,rdpdr] keep capability versions consistent

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Armin Novak 2023-01-09 11:15:19 +01:00 committed by Martin Fleisz
parent 920d5ee7a1
commit 5a0b8fb688
1 changed files with 64 additions and 23 deletions
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87
server/proxy/channels/pf_channel_rdpdr.c
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@ -53,6 +53,7 @@ typedef struct
void* v;
} computerName;
UINT32 SpecialDeviceCount;
UINT32 capabilityVersions[6];
} pf_channel_common_context;
typedef enum
@ -589,12 +590,31 @@ static UINT rdpdr_process_server_core_capability_request(pf_channel_client_conte
{
UINT16 capabilityType;
UINT16 capabilityLength;
UINT32 capabilityVersion;
if (!Stream_CheckAndLogRequiredLengthClient(rdpdr->log, s, 2 * sizeof(UINT16)))
if (!Stream_CheckAndLogRequiredLengthClient(rdpdr->log, s,
2 * sizeof(UINT16) + sizeof(UINT32)))
return ERROR_INVALID_DATA;
Stream_Read_UINT16(s, capabilityType);
Stream_Read_UINT16(s, capabilityLength);
if (capabilityLength < sizeof(UINT32))
{
WLog_Print(rdpdr->log, WLOG_ERROR, "[%s] capability %s has invalid length %" PRIu32, __FUNCTION__,
rdpdr_cap_type_string(capabilityType), capabilityLength);
return ERROR_INVALID_DATA;
}
capabilityLength -= sizeof(UINT32);
Stream_Read_UINT32(s, capabilityVersion);
if (capabilityType < ARRAYSIZE(rdpdr->common.capabilityVersions))
{
WLog_Print(rdpdr->log, WLOG_DEBUG, "[%s] capability %s got version %" PRIu32, __FUNCTION__,
rdpdr_cap_type_string(capabilityType), capabilityVersion);
rdpdr->common.capabilityVersions[capabilityType] = capabilityVersion;
}
switch (capabilityType)
{
@ -619,6 +639,10 @@ static UINT rdpdr_process_server_core_capability_request(pf_channel_client_conte
break;
default:
WLog_Print(rdpdr->log, WLOG_WARN,
"[%s] unknown capability 0x%04" PRIx16 ", length %" PRIu16
", version %" PRIu32,
__FUNCTION__, capabilityType, capabilityLength, capabilityVersion);
break;
}
@ -629,24 +653,28 @@ static UINT rdpdr_process_server_core_capability_request(pf_channel_client_conte
return CHANNEL_RC_OK;
}
static BOOL rdpdr_write_capset_header(wStream* s, UINT16 capabilityType, UINT16 capabilityLength,
UINT32 version)
static BOOL rdpdr_write_capset_header(wLog* log, wStream* s, UINT16 capabilityType,
UINT16 capabilityLength, UINT32 version)
{
WINPR_ASSERT(s);
if (!Stream_EnsureRemainingCapacity(s, capabilityLength + 8))
return FALSE;
WLog_Print(log, WLOG_DEBUG, "[%s] writing capability %s version %" PRIu32, __FUNCTION__,
rdpdr_cap_type_string(capabilityType), version);
Stream_Write_UINT16(s, capabilityType);
Stream_Write_UINT16(s, capabilityLength + 8);
Stream_Write_UINT32(s, version);
return TRUE;
}
static BOOL rdpdr_write_general_capset(pf_channel_common_context* rdpdr, wStream* s)
static BOOL rdpdr_write_general_capset(wLog* log, pf_channel_common_context* rdpdr, wStream* s)
{
WINPR_ASSERT(rdpdr);
WINPR_ASSERT(s);
if (!rdpdr_write_capset_header(s, CAP_GENERAL_TYPE, 36, GENERAL_CAPABILITY_VERSION_02))
if (!rdpdr_write_capset_header(log, s, CAP_GENERAL_TYPE, 36,
rdpdr->capabilityVersions[CAP_GENERAL_TYPE]))
return FALSE;
Stream_Write_UINT32(s, 0); /* osType, ignored on receipt */
Stream_Write_UINT32(s, 0); /* osVersion, should be ignored */
@ -663,42 +691,46 @@ static BOOL rdpdr_write_general_capset(pf_channel_common_context* rdpdr, wStream
return TRUE;
}
static BOOL rdpdr_write_printer_capset(pf_channel_common_context* rdpdr, wStream* s)
static BOOL rdpdr_write_printer_capset(wLog* log, pf_channel_common_context* rdpdr, wStream* s)
{
WINPR_ASSERT(rdpdr);
WINPR_ASSERT(s);
if (!rdpdr_write_capset_header(s, CAP_PRINTER_TYPE, 0, GENERAL_CAPABILITY_VERSION_01))
if (!rdpdr_write_capset_header(log, s, CAP_PRINTER_TYPE, 0,
rdpdr->capabilityVersions[CAP_PRINTER_TYPE]))
return FALSE;
return TRUE;
}
static BOOL rdpdr_write_port_capset(pf_channel_common_context* rdpdr, wStream* s)
static BOOL rdpdr_write_port_capset(wLog* log, pf_channel_common_context* rdpdr, wStream* s)
{
WINPR_ASSERT(rdpdr);
WINPR_ASSERT(s);
if (!rdpdr_write_capset_header(s, CAP_PORT_TYPE, 0, GENERAL_CAPABILITY_VERSION_01))
if (!rdpdr_write_capset_header(log, s, CAP_PORT_TYPE, 0,
rdpdr->capabilityVersions[CAP_PORT_TYPE]))
return FALSE;
return TRUE;
}
static BOOL rdpdr_write_drive_capset(pf_channel_common_context* rdpdr, wStream* s)
static BOOL rdpdr_write_drive_capset(wLog* log, pf_channel_common_context* rdpdr, wStream* s)
{
WINPR_ASSERT(rdpdr);
WINPR_ASSERT(s);
if (!rdpdr_write_capset_header(s, CAP_DRIVE_TYPE, 0, DRIVE_CAPABILITY_VERSION_02))
if (!rdpdr_write_capset_header(log, s, CAP_DRIVE_TYPE, 0,
rdpdr->capabilityVersions[CAP_DRIVE_TYPE]))
return FALSE;
return TRUE;
}
static BOOL rdpdr_write_smartcard_capset(pf_channel_common_context* rdpdr, wStream* s)
static BOOL rdpdr_write_smartcard_capset(wLog* log, pf_channel_common_context* rdpdr, wStream* s)
{
WINPR_ASSERT(rdpdr);
WINPR_ASSERT(s);
if (!rdpdr_write_capset_header(s, CAP_SMARTCARD_TYPE, 0, GENERAL_CAPABILITY_VERSION_01))
if (!rdpdr_write_capset_header(log, s, CAP_SMARTCARD_TYPE, 0,
rdpdr->capabilityVersions[CAP_SMARTCARD_TYPE]))
return FALSE;
return TRUE;
}
@ -711,15 +743,15 @@ static UINT rdpdr_send_server_capability_request(pf_channel_server_context* rdpd
return CHANNEL_RC_NO_MEMORY;
Stream_Write_UINT16(s, 5); /* numCapabilities */
Stream_Write_UINT16(s, 0); /* pad */
if (!rdpdr_write_general_capset(&rdpdr->common, s))
if (!rdpdr_write_general_capset(rdpdr->log, &rdpdr->common, s))
return CHANNEL_RC_NO_MEMORY;
if (!rdpdr_write_printer_capset(&rdpdr->common, s))
if (!rdpdr_write_printer_capset(rdpdr->log, &rdpdr->common, s))
return CHANNEL_RC_NO_MEMORY;
if (!rdpdr_write_port_capset(&rdpdr->common, s))
if (!rdpdr_write_port_capset(rdpdr->log, &rdpdr->common, s))
return CHANNEL_RC_NO_MEMORY;
if (!rdpdr_write_drive_capset(&rdpdr->common, s))
if (!rdpdr_write_drive_capset(rdpdr->log, &rdpdr->common, s))
return CHANNEL_RC_NO_MEMORY;
if (!rdpdr_write_smartcard_capset(&rdpdr->common, s))
if (!rdpdr_write_smartcard_capset(rdpdr->log, &rdpdr->common, s))
return CHANNEL_RC_NO_MEMORY;
return rdpdr_seal_send_free_request(rdpdr, s);
}
@ -806,15 +838,15 @@ static UINT rdpdr_send_client_capability_response(pClientContext* pc,
Stream_Write_UINT16(s, 5); /* numCapabilities */
Stream_Write_UINT16(s, 0); /* pad */
if (!rdpdr_write_general_capset(&rdpdr->common, s))
if (!rdpdr_write_general_capset(rdpdr->log, &rdpdr->common, s))
return CHANNEL_RC_NO_MEMORY;
if (!rdpdr_write_printer_capset(&rdpdr->common, s))
if (!rdpdr_write_printer_capset(rdpdr->log, &rdpdr->common, s))
return CHANNEL_RC_NO_MEMORY;
if (!rdpdr_write_port_capset(&rdpdr->common, s))
if (!rdpdr_write_port_capset(rdpdr->log, &rdpdr->common, s))
return CHANNEL_RC_NO_MEMORY;
if (!rdpdr_write_drive_capset(&rdpdr->common, s))
if (!rdpdr_write_drive_capset(rdpdr->log, &rdpdr->common, s))
return CHANNEL_RC_NO_MEMORY;
if (!rdpdr_write_smartcard_capset(&rdpdr->common, s))
if (!rdpdr_write_smartcard_capset(rdpdr->log, &rdpdr->common, s))
return CHANNEL_RC_NO_MEMORY;
return rdpdr_client_send(rdpdr->log, pc, s);
}
@ -1357,6 +1389,15 @@ static BOOL pf_channel_rdpdr_common_context_new(pf_channel_common_context* commo
common->versionMajor = RDPDR_VERSION_MAJOR;
common->versionMinor = RDPDR_VERSION_MINOR_RDP10X;
common->clientID = SCARD_DEVICE_ID;
const UINT32 versions[] = { 0,
GENERAL_CAPABILITY_VERSION_02,
PRINT_CAPABILITY_VERSION_01,
PORT_CAPABILITY_VERSION_01,
DRIVE_CAPABILITY_VERSION_02,
SMARTCARD_CAPABILITY_VERSION_01 };
memcpy(common->capabilityVersions, versions, sizeof(common->capabilityVersions));
return TRUE;
}