81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Smart Card Structure Packing
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*
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* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "smartcard_pack.h"
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UINT32 smartcard_unpack_establish_context_call(SMARTCARD_DEVICE* smartcard, wStream* s, EstablishContext_Call* call)
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{
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if (Stream_GetRemainingLength(s) < 4)
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{
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WLog_Print(smartcard->log, WLOG_WARN, "EstablishContext_Call is too short: Actual: %d, Expected: %d\n",
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(int) Stream_GetRemainingLength(s), 4);
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return SCARD_F_INTERNAL_ERROR;
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}
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Stream_Read_UINT32(s, call->dwScope); /* dwScope (4 bytes) */
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return SCARD_S_SUCCESS;
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}
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UINT32 smartcard_unpack_list_readers_call(SMARTCARD_DEVICE* smartcard, wStream* s, ListReaders_Call* call)
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{
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if (Stream_GetRemainingLength(s) < 16)
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{
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WLog_Print(smartcard->log, WLOG_WARN, "ListReaders_Call is too short: %d",
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(int) Stream_GetRemainingLength(s));
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return SCARD_F_INTERNAL_ERROR;
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}
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Stream_Read_UINT32(s, call->cBytes); /* cBytes (4 bytes) */
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if (Stream_GetRemainingLength(s) < call->cBytes)
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{
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WLog_Print(smartcard->log, WLOG_WARN, "ListReaders_Call is too short: Actual: %d, Expected: %d",
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(int) Stream_GetRemainingLength(s), call->cBytes);
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return SCARD_F_INTERNAL_ERROR;
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}
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if (call->cBytes)
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{
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call->mszGroups = malloc(call->cBytes);
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Stream_Read(s, call->mszGroups, call->cBytes); /* mszGroups */
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}
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else
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{
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call->mszGroups = NULL;
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Stream_Seek(s, 4); /* mszGroups */
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}
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Stream_Read_UINT32(s, call->fmszReadersIsNULL); /* fmszReadersIsNULL (4 bytes) */
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Stream_Read_UINT32(s, call->cchReaders); /* cchReaders (4 bytes) */
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if (Stream_GetRemainingLength(s) < 4)
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{
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WLog_Print(smartcard->log, WLOG_WARN, "ListReaders_Call is too short: %d",
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(int) Stream_GetRemainingLength(s));
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return SCARD_F_INTERNAL_ERROR;
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}
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return SCARD_S_SUCCESS;
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}
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