mirrors
/
FreeRDP
mirror of https://github.com/FreeRDP/FreeRDP
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
FreeRDP/libfreerdp/utils/smartcard_operations.c

1051 lines
25 KiB
C
Raw Blame History

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Smartcard Device Service Virtual Channel
*
* Copyright (C) Alexi Volkov <alexi@myrealbox.com> 2006
* Copyright 2011 O.S. Systems Software Ltda.
* Copyright 2011 Anthony Tong <atong@trustedcs.com>
* Copyright 2015 Thincast Technologies GmbH
* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
* Copyright 2017 Armin Novak <armin.novak@thincast.com>
* Copyright 2017 Thincast Technologies GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <freerdp/config.h>
#include <winpr/assert.h>
#include <winpr/crt.h>
#include <winpr/print.h>
#include <winpr/stream.h>
#include <winpr/smartcard.h>
#include <freerdp/freerdp.h>
#include <freerdp/channels/rdpdr.h>
#include <freerdp/channels/scard.h>
#include <freerdp/utils/rdpdr_utils.h>
#include <freerdp/utils/smartcard_operations.h>
#include <freerdp/utils/smartcard_pack.h>
#include <freerdp/log.h>
#define TAG FREERDP_TAG("utils.smartcard.ops")
static LONG smartcard_call_to_operation_handle(SMARTCARD_OPERATION* operation)
{
WINPR_ASSERT(operation);
operation->hContext =
smartcard_scard_context_native_from_redir(&(operation->call.handles.hContext));
operation->hCard = smartcard_scard_handle_native_from_redir(&(operation->call.handles.hCard));
return SCARD_S_SUCCESS;
}
static LONG smartcard_EstablishContext_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_establish_context_call(s, &operation->call.establishContext);
if (status != SCARD_S_SUCCESS)
{
return scard_log_status_error(TAG, "smartcard_unpack_establish_context_call", status);
}
return SCARD_S_SUCCESS;
}
static LONG smartcard_ReleaseContext_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_context_call(s, &operation->call.context, "ReleaseContext");
if (status != SCARD_S_SUCCESS)
scard_log_status_error(TAG, "smartcard_unpack_context_call", status);
return status;
}
static LONG smartcard_IsValidContext_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_context_call(s, &operation->call.context, "IsValidContext");
return status;
}
static LONG smartcard_ListReaderGroupsA_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_list_reader_groups_call(s, &operation->call.listReaderGroups, FALSE);
return status;
}
static LONG smartcard_ListReaderGroupsW_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_list_reader_groups_call(s, &operation->call.listReaderGroups, TRUE);
return status;
}
static LONG smartcard_ListReadersA_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_list_readers_call(s, &operation->call.listReaders, FALSE);
return status;
}
static LONG smartcard_ListReadersW_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_list_readers_call(s, &operation->call.listReaders, TRUE);
return status;
}
static LONG smartcard_context_and_two_strings_a_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status =
smartcard_unpack_context_and_two_strings_a_call(s, &operation->call.contextAndTwoStringA);
return status;
}
static LONG smartcard_context_and_two_strings_w_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status =
smartcard_unpack_context_and_two_strings_w_call(s, &operation->call.contextAndTwoStringW);
return status;
}
static LONG smartcard_context_and_string_a_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_context_and_string_a_call(s, &operation->call.contextAndStringA);
return status;
}
static LONG smartcard_context_and_string_w_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_context_and_string_w_call(s, &operation->call.contextAndStringW);
return status;
}
static LONG smartcard_LocateCardsA_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_locate_cards_a_call(s, &operation->call.locateCardsA);
return status;
}
static LONG smartcard_LocateCardsW_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_locate_cards_w_call(s, &operation->call.locateCardsW);
return status;
}
static LONG smartcard_GetStatusChangeA_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_get_status_change_a_call(s, &operation->call.getStatusChangeA);
return status;
}
static LONG smartcard_GetStatusChangeW_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_get_status_change_w_call(s, &operation->call.getStatusChangeW);
return status;
}
static LONG smartcard_Cancel_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_context_call(s, &operation->call.context, "Cancel");
return status;
}
static LONG smartcard_ConnectA_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_connect_a_call(s, &operation->call.connectA);
return status;
}
static LONG smartcard_ConnectW_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_connect_w_call(s, &operation->call.connectW);
return status;
}
static LONG smartcard_Reconnect_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_reconnect_call(s, &operation->call.reconnect);
return status;
}
static LONG smartcard_Disconnect_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_hcard_and_disposition_call(s, &operation->call.hCardAndDisposition,
"Disconnect");
return status;
}
static LONG smartcard_BeginTransaction_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_hcard_and_disposition_call(s, &operation->call.hCardAndDisposition,
"BeginTransaction");
return status;
}
static LONG smartcard_EndTransaction_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_hcard_and_disposition_call(s, &operation->call.hCardAndDisposition,
"EndTransaction");
return status;
}
static LONG smartcard_State_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_state_call(s, &operation->call.state);
return status;
}
static LONG smartcard_StatusA_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_status_call(s, &operation->call.status, FALSE);
return status;
}
static LONG smartcard_StatusW_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_status_call(s, &operation->call.status, TRUE);
return status;
}
static LONG smartcard_Transmit_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_transmit_call(s, &operation->call.transmit);
return status;
}
static LONG smartcard_Control_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_control_call(s, &operation->call.control);
return status;
}
static LONG smartcard_GetAttrib_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_get_attrib_call(s, &operation->call.getAttrib);
return status;
}
static LONG smartcard_SetAttrib_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_set_attrib_call(s, &operation->call.setAttrib);
return status;
}
static LONG smartcard_AccessStartedEvent_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
return SCARD_F_INTERNAL_ERROR;
Stream_Read_INT32(s, operation->call.lng.LongValue); /* Unused (4 bytes) */
return SCARD_S_SUCCESS;
}
static LONG smartcard_LocateCardsByATRA_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_locate_cards_by_atr_a_call(s, &operation->call.locateCardsByATRA);
return status;
}
static LONG smartcard_LocateCardsByATRW_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_locate_cards_by_atr_w_call(s, &operation->call.locateCardsByATRW);
return status;
}
static LONG smartcard_ReadCacheA_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_read_cache_a_call(s, &operation->call.readCacheA);
return status;
}
static LONG smartcard_ReadCacheW_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_read_cache_w_call(s, &operation->call.readCacheW);
return status;
}
static LONG smartcard_WriteCacheA_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_write_cache_a_call(s, &operation->call.writeCacheA);
return status;
}
static LONG smartcard_WriteCacheW_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_write_cache_w_call(s, &operation->call.writeCacheW);
return status;
}
static LONG smartcard_GetTransmitCount_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_get_transmit_count_call(s, &operation->call.getTransmitCount);
return status;
}
static LONG smartcard_ReleaseStartedEvent_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
WINPR_UNUSED(s);
WINPR_UNUSED(operation);
WLog_WARN(TAG, "According to [MS-RDPESC] 3.1.4 Message Processing Events and Sequencing Rules "
"SCARD_IOCTL_RELEASETARTEDEVENT is not supported");
return SCARD_E_UNSUPPORTED_FEATURE;
}
static LONG smartcard_GetReaderIcon_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_get_reader_icon_call(s, &operation->call.getReaderIcon);
return status;
}
static LONG smartcard_GetDeviceTypeId_Decode(wStream* s, SMARTCARD_OPERATION* operation)
{
LONG status;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
status = smartcard_unpack_get_device_type_id_call(s, &operation->call.getDeviceTypeId);
return status;
}
LONG smartcard_irp_device_control_decode(wStream* s, UINT32 CompletionId, UINT32 FileId,
SMARTCARD_OPERATION* operation)
{
LONG status;
UINT32 offset;
UINT32 ioControlCode;
UINT32 outputBufferLength;
UINT32 inputBufferLength;
WINPR_ASSERT(s);
WINPR_ASSERT(operation);
/* Device Control Request */
if (!Stream_CheckAndLogRequiredLength(TAG, s, 32))
return SCARD_F_INTERNAL_ERROR;
Stream_Read_UINT32(s, outputBufferLength); /* OutputBufferLength (4 bytes) */
Stream_Read_UINT32(s, inputBufferLength); /* InputBufferLength (4 bytes) */
Stream_Read_UINT32(s, ioControlCode); /* IoControlCode (4 bytes) */
Stream_Seek(s, 20); /* Padding (20 bytes) */
operation->ioControlCode = ioControlCode;
operation->ioControlCodeName = scard_get_ioctl_string(ioControlCode, FALSE);
if (Stream_Length(s) != (Stream_GetPosition(s) + inputBufferLength))
{
WLog_WARN(TAG, "InputBufferLength mismatch: Actual: %" PRIuz " Expected: %" PRIuz "",
Stream_Length(s), Stream_GetPosition(s) + inputBufferLength);
return SCARD_F_INTERNAL_ERROR;
}
WLog_DBG(TAG, "%s (0x%08" PRIX32 ") FileId: %" PRIu32 " CompletionId: %" PRIu32 "",
scard_get_ioctl_string(ioControlCode, TRUE), ioControlCode, FileId, CompletionId);
if ((ioControlCode != SCARD_IOCTL_ACCESSSTARTEDEVENT) &&
(ioControlCode != SCARD_IOCTL_RELEASETARTEDEVENT))
{
status = smartcard_unpack_common_type_header(s);
if (status != SCARD_S_SUCCESS)
return status;
status = smartcard_unpack_private_type_header(s);
if (status != SCARD_S_SUCCESS)
return status;
}
/* Decode */
switch (ioControlCode)
{
case SCARD_IOCTL_ESTABLISHCONTEXT:
status = smartcard_EstablishContext_Decode(s, operation);
break;
case SCARD_IOCTL_RELEASECONTEXT:
status = smartcard_ReleaseContext_Decode(s, operation);
break;
case SCARD_IOCTL_ISVALIDCONTEXT:
status = smartcard_IsValidContext_Decode(s, operation);
break;
case SCARD_IOCTL_LISTREADERGROUPSA:
status = smartcard_ListReaderGroupsA_Decode(s, operation);
break;
case SCARD_IOCTL_LISTREADERGROUPSW:
status = smartcard_ListReaderGroupsW_Decode(s, operation);
break;
case SCARD_IOCTL_LISTREADERSA:
status = smartcard_ListReadersA_Decode(s, operation);
break;
case SCARD_IOCTL_LISTREADERSW:
status = smartcard_ListReadersW_Decode(s, operation);
break;
case SCARD_IOCTL_INTRODUCEREADERGROUPA:
status = smartcard_context_and_string_a_Decode(s, operation);
break;
case SCARD_IOCTL_INTRODUCEREADERGROUPW:
status = smartcard_context_and_string_w_Decode(s, operation);
break;
case SCARD_IOCTL_FORGETREADERGROUPA:
status = smartcard_context_and_string_a_Decode(s, operation);
break;
case SCARD_IOCTL_FORGETREADERGROUPW:
status = smartcard_context_and_string_w_Decode(s, operation);
break;
case SCARD_IOCTL_INTRODUCEREADERA:
status = smartcard_context_and_two_strings_a_Decode(s, operation);
break;
case SCARD_IOCTL_INTRODUCEREADERW:
status = smartcard_context_and_two_strings_w_Decode(s, operation);
break;
case SCARD_IOCTL_FORGETREADERA:
status = smartcard_context_and_string_a_Decode(s, operation);
break;
case SCARD_IOCTL_FORGETREADERW:
status = smartcard_context_and_string_w_Decode(s, operation);
break;
case SCARD_IOCTL_ADDREADERTOGROUPA:
status = smartcard_context_and_two_strings_a_Decode(s, operation);
break;
case SCARD_IOCTL_ADDREADERTOGROUPW:
status = smartcard_context_and_two_strings_w_Decode(s, operation);
break;
case SCARD_IOCTL_REMOVEREADERFROMGROUPA:
status = smartcard_context_and_two_strings_a_Decode(s, operation);
break;
case SCARD_IOCTL_REMOVEREADERFROMGROUPW:
status = smartcard_context_and_two_strings_w_Decode(s, operation);
break;
case SCARD_IOCTL_LOCATECARDSA:
status = smartcard_LocateCardsA_Decode(s, operation);
break;
case SCARD_IOCTL_LOCATECARDSW:
status = smartcard_LocateCardsW_Decode(s, operation);
break;
case SCARD_IOCTL_GETSTATUSCHANGEA:
status = smartcard_GetStatusChangeA_Decode(s, operation);
break;
case SCARD_IOCTL_GETSTATUSCHANGEW:
status = smartcard_GetStatusChangeW_Decode(s, operation);
break;
case SCARD_IOCTL_CANCEL:
status = smartcard_Cancel_Decode(s, operation);
break;
case SCARD_IOCTL_CONNECTA:
status = smartcard_ConnectA_Decode(s, operation);
break;
case SCARD_IOCTL_CONNECTW:
status = smartcard_ConnectW_Decode(s, operation);
break;
case SCARD_IOCTL_RECONNECT:
status = smartcard_Reconnect_Decode(s, operation);
break;
case SCARD_IOCTL_DISCONNECT:
status = smartcard_Disconnect_Decode(s, operation);
break;
case SCARD_IOCTL_BEGINTRANSACTION:
status = smartcard_BeginTransaction_Decode(s, operation);
break;
case SCARD_IOCTL_ENDTRANSACTION:
status = smartcard_EndTransaction_Decode(s, operation);
break;
case SCARD_IOCTL_STATE:
status = smartcard_State_Decode(s, operation);
break;
case SCARD_IOCTL_STATUSA:
status = smartcard_StatusA_Decode(s, operation);
break;
case SCARD_IOCTL_STATUSW:
status = smartcard_StatusW_Decode(s, operation);
break;
case SCARD_IOCTL_TRANSMIT:
status = smartcard_Transmit_Decode(s, operation);
break;
case SCARD_IOCTL_CONTROL:
status = smartcard_Control_Decode(s, operation);
break;
case SCARD_IOCTL_GETATTRIB:
status = smartcard_GetAttrib_Decode(s, operation);
break;
case SCARD_IOCTL_SETATTRIB:
status = smartcard_SetAttrib_Decode(s, operation);
break;
case SCARD_IOCTL_ACCESSSTARTEDEVENT:
status = smartcard_AccessStartedEvent_Decode(s, operation);
break;
case SCARD_IOCTL_LOCATECARDSBYATRA:
status = smartcard_LocateCardsByATRA_Decode(s, operation);
break;
case SCARD_IOCTL_LOCATECARDSBYATRW:
status = smartcard_LocateCardsByATRW_Decode(s, operation);
break;
case SCARD_IOCTL_READCACHEA:
status = smartcard_ReadCacheA_Decode(s, operation);
break;
case SCARD_IOCTL_READCACHEW:
status = smartcard_ReadCacheW_Decode(s, operation);
break;
case SCARD_IOCTL_WRITECACHEA:
status = smartcard_WriteCacheA_Decode(s, operation);
break;
case SCARD_IOCTL_WRITECACHEW:
status = smartcard_WriteCacheW_Decode(s, operation);
break;
case SCARD_IOCTL_GETTRANSMITCOUNT:
status = smartcard_GetTransmitCount_Decode(s, operation);
break;
case SCARD_IOCTL_RELEASETARTEDEVENT:
status = smartcard_ReleaseStartedEvent_Decode(s, operation);
break;
case SCARD_IOCTL_GETREADERICON:
status = smartcard_GetReaderIcon_Decode(s, operation);
break;
case SCARD_IOCTL_GETDEVICETYPEID:
status = smartcard_GetDeviceTypeId_Decode(s, operation);
break;
default:
status = SCARD_F_INTERNAL_ERROR;
break;
}
smartcard_call_to_operation_handle(operation);
if ((ioControlCode != SCARD_IOCTL_ACCESSSTARTEDEVENT) &&
(ioControlCode != SCARD_IOCTL_RELEASETARTEDEVENT))
{
offset = (RDPDR_DEVICE_IO_REQUEST_LENGTH + RDPDR_DEVICE_IO_CONTROL_REQ_HDR_LENGTH);
smartcard_unpack_read_size_align(s, Stream_GetPosition(s) - offset, 8);
}
if (Stream_GetPosition(s) < Stream_Length(s))
{
SIZE_T difference;
difference = Stream_Length(s) - Stream_GetPosition(s);
WLog_WARN(TAG,
"IRP was not fully parsed %s (%s [0x%08" PRIX32 "]): Actual: %" PRIuz
", Expected: %" PRIuz ", Difference: %" PRIuz "",
scard_get_ioctl_string(ioControlCode, TRUE),
scard_get_ioctl_string(ioControlCode, FALSE), ioControlCode,
Stream_GetPosition(s), Stream_Length(s), difference);
winpr_HexDump(TAG, WLOG_WARN, Stream_ConstPointer(s), difference);
}
if (Stream_GetPosition(s) > Stream_Length(s))
{
SIZE_T difference;
difference = Stream_GetPosition(s) - Stream_Length(s);
WLog_WARN(TAG,
"IRP was parsed beyond its end %s (0x%08" PRIX32 "): Actual: %" PRIuz
", Expected: %" PRIuz ", Difference: %" PRIuz "",
scard_get_ioctl_string(ioControlCode, TRUE), ioControlCode, Stream_GetPosition(s),
Stream_Length(s), difference);
}
return status;
}
static void free_reader_states_a(LPSCARD_READERSTATEA rgReaderStates, UINT32 cReaders)
{
UINT32 x;
for (x = 0; x < cReaders; x++)
{
SCARD_READERSTATEA* state = &rgReaderStates[x];
free(state->szReader);
}
free(rgReaderStates);
}
static void free_reader_states_w(LPSCARD_READERSTATEW rgReaderStates, UINT32 cReaders)
{
UINT32 x;
for (x = 0; x < cReaders; x++)
{
SCARD_READERSTATEW* state = &rgReaderStates[x];
free(state->szReader);
}
free(rgReaderStates);
}
void smartcard_operation_free(SMARTCARD_OPERATION* op, BOOL allocated)
{
if (!op)
return;
switch (op->ioControlCode)
{
case SCARD_IOCTL_CANCEL:
case SCARD_IOCTL_ACCESSSTARTEDEVENT:
case SCARD_IOCTL_RELEASETARTEDEVENT:
case SCARD_IOCTL_LISTREADERGROUPSA:
case SCARD_IOCTL_LISTREADERGROUPSW:
case SCARD_IOCTL_RECONNECT:
case SCARD_IOCTL_DISCONNECT:
case SCARD_IOCTL_BEGINTRANSACTION:
case SCARD_IOCTL_ENDTRANSACTION:
case SCARD_IOCTL_STATE:
case SCARD_IOCTL_STATUSA:
case SCARD_IOCTL_STATUSW:
case SCARD_IOCTL_ESTABLISHCONTEXT:
case SCARD_IOCTL_RELEASECONTEXT:
case SCARD_IOCTL_ISVALIDCONTEXT:
case SCARD_IOCTL_GETATTRIB:
case SCARD_IOCTL_GETTRANSMITCOUNT:
break;
case SCARD_IOCTL_LOCATECARDSA:
{
LocateCardsA_Call* call = &op->call.locateCardsA;
free(call->mszCards);
free_reader_states_a(call->rgReaderStates, call->cReaders);
}
break;
case SCARD_IOCTL_LOCATECARDSW:
{
LocateCardsW_Call* call = &op->call.locateCardsW;
free(call->mszCards);
free_reader_states_w(call->rgReaderStates, call->cReaders);
}
break;
case SCARD_IOCTL_LOCATECARDSBYATRA:
{
LocateCardsByATRA_Call* call = &op->call.locateCardsByATRA;
free_reader_states_a(call->rgReaderStates, call->cReaders);
}
break;
case SCARD_IOCTL_LOCATECARDSBYATRW:
{
LocateCardsByATRW_Call* call = &op->call.locateCardsByATRW;
free_reader_states_w(call->rgReaderStates, call->cReaders);
}
break;
case SCARD_IOCTL_FORGETREADERA:
case SCARD_IOCTL_INTRODUCEREADERGROUPA:
case SCARD_IOCTL_FORGETREADERGROUPA:
{
ContextAndStringA_Call* call = &op->call.contextAndStringA;
free(call->sz);
}
break;
case SCARD_IOCTL_FORGETREADERW:
case SCARD_IOCTL_INTRODUCEREADERGROUPW:
case SCARD_IOCTL_FORGETREADERGROUPW:
{
ContextAndStringW_Call* call = &op->call.contextAndStringW;
free(call->sz);
}
break;
case SCARD_IOCTL_INTRODUCEREADERA:
case SCARD_IOCTL_REMOVEREADERFROMGROUPA:
case SCARD_IOCTL_ADDREADERTOGROUPA:
{
ContextAndTwoStringA_Call* call = &op->call.contextAndTwoStringA;
free(call->sz1);
free(call->sz2);
}
break;
case SCARD_IOCTL_INTRODUCEREADERW:
case SCARD_IOCTL_REMOVEREADERFROMGROUPW:
case SCARD_IOCTL_ADDREADERTOGROUPW:
{
ContextAndTwoStringW_Call* call = &op->call.contextAndTwoStringW;
free(call->sz1);
free(call->sz2);
}
break;
case SCARD_IOCTL_LISTREADERSA:
case SCARD_IOCTL_LISTREADERSW:
{
ListReaders_Call* call = &op->call.listReaders;
free(call->mszGroups);
}
break;
case SCARD_IOCTL_GETSTATUSCHANGEA:
{
GetStatusChangeA_Call* call = &op->call.getStatusChangeA;
free_reader_states_a(call->rgReaderStates, call->cReaders);
}
break;
case SCARD_IOCTL_GETSTATUSCHANGEW:
{
GetStatusChangeW_Call* call = &op->call.getStatusChangeW;
free_reader_states_w(call->rgReaderStates, call->cReaders);
}
break;
case SCARD_IOCTL_GETREADERICON:
{
GetReaderIcon_Call* call = &op->call.getReaderIcon;
free(call->szReaderName);
}
break;
case SCARD_IOCTL_GETDEVICETYPEID:
{
GetDeviceTypeId_Call* call = &op->call.getDeviceTypeId;
free(call->szReaderName);
}
break;
case SCARD_IOCTL_CONNECTA:
{
ConnectA_Call* call = &op->call.connectA;
free(call->szReader);
}
break;
case SCARD_IOCTL_CONNECTW:
{
ConnectW_Call* call = &op->call.connectW;
free(call->szReader);
}
break;
case SCARD_IOCTL_SETATTRIB:
free(op->call.setAttrib.pbAttr);
break;
case SCARD_IOCTL_TRANSMIT:
{
Transmit_Call* call = &op->call.transmit;
free(call->pbSendBuffer);
free(call->pioSendPci);
free(call->pioRecvPci);
}
break;
case SCARD_IOCTL_CONTROL:
{
Control_Call* call = &op->call.control;
free(call->pvInBuffer);
}
break;
case SCARD_IOCTL_READCACHEA:
{
ReadCacheA_Call* call = &op->call.readCacheA;
free(call->szLookupName);
free(call->Common.CardIdentifier);
}
break;
case SCARD_IOCTL_READCACHEW:
{
ReadCacheW_Call* call = &op->call.readCacheW;
free(call->szLookupName);
free(call->Common.CardIdentifier);
}
break;
case SCARD_IOCTL_WRITECACHEA:
{
WriteCacheA_Call* call = &op->call.writeCacheA;
free(call->szLookupName);
free(call->Common.CardIdentifier);
free(call->Common.pbData);
}
break;
case SCARD_IOCTL_WRITECACHEW:
{
WriteCacheW_Call* call = &op->call.writeCacheW;
free(call->szLookupName);
free(call->Common.CardIdentifier);
free(call->Common.pbData);
}
break;
default:
break;
}
{
SMARTCARD_OPERATION empty = { 0 };
*op = empty;
}
if (allocated)
free(op);
}
Reference in New Issue View Git Blame Copy Permalink