/src/FreeRDP/libfreerdp/utils/smartcard_pack.c

Source (jump to first uncovered line)
/**
 * FreeRDP: A Remote Desktop Protocol Implementation
 * Smart Card Structure Packing
 *
 * Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
 * Copyright 2015 Thincast Technologies GmbH
 * Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
 * Copyright 2020 Armin Novak <armin.novak@thincast.com>
 * Copyright 2020 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/crt.h>
#include <winpr/print.h>

#include <freerdp/channels/scard.h>
#include <freerdp/utils/smartcard_pack.h>

#include <freerdp/log.h>
#define TAG FREERDP_TAG("scard.pack")

static const DWORD g_LogLevel = WLOG_DEBUG;

#define smartcard_unpack_redir_scard_context(s, context, index, ndr)                          \
  smartcard_unpack_redir_scard_context_((s), (context), (index), (ndr), __FILE__, __func__, \
                                        __LINE__)
#define smartcard_unpack_redir_scard_handle(s, context, index) \
  smartcard_unpack_redir_scard_handle_((s), (context), (index), __FILE__, __func__, __LINE__)

static LONG smartcard_unpack_redir_scard_context_(wStream* s, REDIR_SCARDCONTEXT* context,
                                                  UINT32* index, UINT32* ppbContextNdrPtr,
                                                  const char* file, const char* function, int line);
static LONG smartcard_pack_redir_scard_context(wStream* s, const REDIR_SCARDCONTEXT* context,
                                               DWORD* index);
static LONG smartcard_unpack_redir_scard_handle_(wStream* s, REDIR_SCARDHANDLE* handle,
                                                 UINT32* index, const char* file,
                                                 const char* function, int line);
static LONG smartcard_pack_redir_scard_handle(wStream* s, const REDIR_SCARDHANDLE* handle,
                                              DWORD* index);
static LONG smartcard_unpack_redir_scard_context_ref(wStream* s, UINT32 pbContextNdrPtr,
                                                     REDIR_SCARDCONTEXT* context);
static LONG smartcard_pack_redir_scard_context_ref(wStream* s, const REDIR_SCARDCONTEXT* context);

static LONG smartcard_unpack_redir_scard_handle_ref(wStream* s, REDIR_SCARDHANDLE* handle);
static LONG smartcard_pack_redir_scard_handle_ref(wStream* s, const REDIR_SCARDHANDLE* handle);

typedef enum
{
  NDR_PTR_FULL,
  NDR_PTR_SIMPLE,
  NDR_PTR_FIXED
} ndr_ptr_t;

/* Reads a NDR pointer and checks if the value read has the expected relative
 * addressing */
#define smartcard_ndr_pointer_read(s, index, ptr) \
  smartcard_ndr_pointer_read_((s), (index), (ptr), __FILE__, __func__, __LINE__)
static BOOL smartcard_ndr_pointer_read_(wStream* s, UINT32* index, UINT32* ptr, const char* file,
                                        const char* fkt, size_t line)
{
  const UINT32 expect = 0x20000 + (*index) * 4;
  UINT32 ndrPtr = 0;
  WINPR_UNUSED(file);
  if (!s)
    return FALSE;
  if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
    return FALSE;

  Stream_Read_UINT32(s, ndrPtr); /* mszGroupsNdrPtr (4 bytes) */
  if (ptr)
    *ptr = ndrPtr;
  if (expect != ndrPtr)
  {
    /* Allow NULL pointer if we read the result */
    if (ptr && (ndrPtr == 0))
      return TRUE;
    WLog_WARN(TAG,
              "[%s:%" PRIuz "] Read context pointer 0x%08" PRIx32 ", expected 0x%08" PRIx32,
              fkt, line, ndrPtr, expect);
    return FALSE;
  }

  (*index) = (*index) + 1;
  return TRUE;
}

static LONG smartcard_ndr_read(wStream* s, BYTE** data, size_t min, size_t elementSize,
                               ndr_ptr_t type)
{
  size_t len = 0;
  size_t offset = 0;
  size_t len2 = 0;
  void* r = NULL;
  size_t required = 0;

  switch (type)
  {
    case NDR_PTR_FULL:
      required = 12;
      break;
    case NDR_PTR_SIMPLE:
      required = 4;
      break;
    case NDR_PTR_FIXED:
      required = min;
      break;
  }

  if (!Stream_CheckAndLogRequiredLength(TAG, s, required))
    return STATUS_BUFFER_TOO_SMALL;

  switch (type)
  {
    case NDR_PTR_FULL:
      Stream_Read_UINT32(s, len);
      Stream_Read_UINT32(s, offset);
      Stream_Read_UINT32(s, len2);
      if (len != offset + len2)
      {
        WLog_ERR(TAG,
                 "Invalid data when reading full NDR pointer: total=%" PRIu32
                 ", offset=%" PRIu32 ", remaining=%" PRIu32,
                 len, offset, len2);
        return STATUS_BUFFER_TOO_SMALL;
      }
      break;
    case NDR_PTR_SIMPLE:
      Stream_Read_UINT32(s, len);

      if ((len != min) && (min > 0))
      {
        WLog_ERR(TAG,
                 "Invalid data when reading simple NDR pointer: total=%" PRIu32
                 ", expected=%" PRIu32,
                 len, min);
        return STATUS_BUFFER_TOO_SMALL;
      }
      break;
    case NDR_PTR_FIXED:
      len = (UINT32)min;
      break;
  }

  if (min > len)
  {
    WLog_ERR(TAG, "Invalid length read from NDR pointer, minimum %" PRIu32 ", got %" PRIu32,
             min, len);
    return STATUS_DATA_ERROR;
  }

  if (len > SIZE_MAX / 2)
    return STATUS_BUFFER_TOO_SMALL;

  if (!Stream_CheckAndLogRequiredLengthOfSize(TAG, s, len, elementSize))
    return STATUS_BUFFER_TOO_SMALL;

  len *= elementSize;

  r = calloc(len + 1, sizeof(CHAR));
  if (!r)
    return SCARD_E_NO_MEMORY;
  Stream_Read(s, r, len);
  smartcard_unpack_read_size_align(s, len, 4);
  *data = r;
  return STATUS_SUCCESS;
}

static BOOL smartcard_ndr_pointer_write(wStream* s, UINT32* index, DWORD length)
{
  const UINT32 ndrPtr = 0x20000 + (*index) * 4;

  if (!s)
    return FALSE;
  if (!Stream_EnsureRemainingCapacity(s, 4))
    return FALSE;

  if (length > 0)
  {
    Stream_Write_UINT32(s, ndrPtr); /* mszGroupsNdrPtr (4 bytes) */
    (*index) = (*index) + 1;
  }
  else
    Stream_Write_UINT32(s, 0);
  return TRUE;
}

static LONG smartcard_ndr_write(wStream* s, const BYTE* data, UINT32 size, UINT32 elementSize,
                                ndr_ptr_t type)
{
  const UINT32 offset = 0;
  const UINT32 len = size;
  const UINT32 dataLen = size * elementSize;
  size_t required = 0;

  if (size == 0)
    return SCARD_S_SUCCESS;

  switch (type)
  {
    case NDR_PTR_FULL:
      required = 12;
      break;
    case NDR_PTR_SIMPLE:
      required = 4;
      break;
    case NDR_PTR_FIXED:
      required = 0;
      break;
  }

  if (!Stream_EnsureRemainingCapacity(s, required + dataLen + 4))
    return STATUS_BUFFER_TOO_SMALL;

  switch (type)
  {
    case NDR_PTR_FULL:
      Stream_Write_UINT32(s, len);
      Stream_Write_UINT32(s, offset);
      Stream_Write_UINT32(s, len);
      break;
    case NDR_PTR_SIMPLE:
      Stream_Write_UINT32(s, len);
      break;
    case NDR_PTR_FIXED:
      break;
  }

  if (data)
    Stream_Write(s, data, dataLen);
  else
    Stream_Zero(s, dataLen);
  return smartcard_pack_write_size_align(s, len, 4);
}

static LONG smartcard_ndr_write_state(wStream* s, const ReaderState_Return* data, UINT32 size,
                                      ndr_ptr_t type)
{
  union
  {
    const ReaderState_Return* reader;
    const BYTE* data;
  } cnv;

  cnv.reader = data;
  return smartcard_ndr_write(s, cnv.data, size, sizeof(ReaderState_Return), type);
}

static LONG smartcard_ndr_read_atrmask(wStream* s, LocateCards_ATRMask** data, size_t min,
                                       ndr_ptr_t type)
{
  union
  {
    LocateCards_ATRMask** ppc;
    BYTE** ppv;
  } u;
  u.ppc = data;
  return smartcard_ndr_read(s, u.ppv, min, sizeof(LocateCards_ATRMask), type);
}

static LONG smartcard_ndr_read_fixed_string_a(wStream* s, CHAR** data, size_t min, ndr_ptr_t type)
{
  union
  {
    CHAR** ppc;
    BYTE** ppv;
  } u;
  u.ppc = data;
  return smartcard_ndr_read(s, u.ppv, min, sizeof(CHAR), type);
}

static LONG smartcard_ndr_read_fixed_string_w(wStream* s, WCHAR** data, size_t min, ndr_ptr_t type)
{
  union
  {
    WCHAR** ppc;
    BYTE** ppv;
  } u;
  u.ppc = data;
  return smartcard_ndr_read(s, u.ppv, min, sizeof(WCHAR), type);
}

static LONG smartcard_ndr_read_a(wStream* s, CHAR** data, ndr_ptr_t type)
{
  union
  {
    CHAR** ppc;
    BYTE** ppv;
  } u;
  u.ppc = data;
  return smartcard_ndr_read(s, u.ppv, 0, sizeof(CHAR), type);
}

static LONG smartcard_ndr_read_w(wStream* s, WCHAR** data, ndr_ptr_t type)
{
  union
  {
    WCHAR** ppc;
    BYTE** ppv;
  } u;
  u.ppc = data;
  return smartcard_ndr_read(s, u.ppv, 0, sizeof(WCHAR), type);
}

static LONG smartcard_ndr_read_u(wStream* s, UUID** data)
{
  union
  {
    UUID** ppc;
    BYTE** ppv;
  } u;
  u.ppc = data;
  return smartcard_ndr_read(s, u.ppv, 1, sizeof(UUID), NDR_PTR_FIXED);
}

static char* smartcard_convert_string_list(const void* in, size_t bytes, BOOL unicode)
{
  size_t length = 0;
  union
  {
    const void* pv;
    const char* sz;
    const WCHAR* wz;
  } string;
  char* mszA = NULL;

  string.pv = in;

  if (bytes < 1)
    return NULL;

  if (in == NULL)
    return NULL;

  if (unicode)
  {
    mszA = ConvertMszWCharNToUtf8Alloc(string.wz, bytes / sizeof(WCHAR), &length);
    if (!mszA)
      return NULL;
  }
  else
  {
    mszA = (char*)calloc(bytes, sizeof(char));
    if (!mszA)
      return NULL;
    CopyMemory(mszA, string.sz, bytes - 1);
    length = bytes;
  }

  if (length < 1)
  {
    free(mszA);
    return NULL;
  }
  for (size_t index = 0; index < length - 1; index++)
  {
    if (mszA[index] == '\0')
      mszA[index] = ',';
  }

  return mszA;
}

static char* smartcard_msz_dump_a(const char* msz, size_t len, char* buffer, size_t bufferLen)
{
  char* buf = buffer;
  const char* cur = msz;

  while ((len > 0) && cur && cur[0] != '\0' && (bufferLen > 0))
  {
    size_t clen = strnlen(cur, len);
    int rc = _snprintf(buf, bufferLen, "%s", cur);
    bufferLen -= (size_t)rc;
    buf += rc;

    cur += clen;
  }

  return buffer;
}

static char* smartcard_msz_dump_w(const WCHAR* msz, size_t len, char* buffer, size_t bufferLen)
{
  size_t szlen = 0;
  if (!msz)
    return NULL;
  char* sz = ConvertMszWCharNToUtf8Alloc(msz, len, &szlen);
  if (!sz)
    return NULL;

  smartcard_msz_dump_a(sz, szlen, buffer, bufferLen);
  free(sz);
  return buffer;
}

static char* smartcard_array_dump(const void* pd, size_t len, char* buffer, size_t bufferLen)
{
  const BYTE* data = pd;
  int rc = 0;
  char* start = buffer;

  /* Ensure '\0' termination */
  if (bufferLen > 0)
  {
    buffer[bufferLen - 1] = '\0';
    bufferLen--;
  }

  rc = _snprintf(buffer, bufferLen, "{ ");
  if ((rc < 0) || ((size_t)rc > bufferLen))
    goto fail;
  buffer += rc;
  bufferLen -= (size_t)rc;

  for (size_t x = 0; x < len; x++)
  {
    rc = _snprintf(buffer, bufferLen, "%02X", data[x]);
    if ((rc < 0) || ((size_t)rc > bufferLen))
      goto fail;
    buffer += rc;
    bufferLen -= (size_t)rc;
  }

  rc = _snprintf(buffer, bufferLen, " }");
  if ((rc < 0) || ((size_t)rc > bufferLen))
    goto fail;

fail:
  return start;
}
static void smartcard_log_redir_handle(const char* tag, const REDIR_SCARDHANDLE* pHandle)
{
  char buffer[128];

  WLog_LVL(tag, g_LogLevel, "  hContext: %s",
           smartcard_array_dump(pHandle->pbHandle, pHandle->cbHandle, buffer, sizeof(buffer)));
}

static void smartcard_log_context(const char* tag, const REDIR_SCARDCONTEXT* phContext)
{
  char buffer[128];
  WLog_DBG(
      tag, "hContext: %s",
      smartcard_array_dump(phContext->pbContext, phContext->cbContext, buffer, sizeof(buffer)));
}

static void smartcard_trace_context_and_string_call_a(const char* name,
                                                      const REDIR_SCARDCONTEXT* phContext,
                                                      const CHAR* sz)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "%s {", name);
  smartcard_log_context(TAG, phContext);
  WLog_LVL(TAG, g_LogLevel, "  sz=%s", sz);

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_context_and_string_call_w(const char* name,
                                                      const REDIR_SCARDCONTEXT* phContext,
                                                      const WCHAR* sz)
{
  char tmp[1024] = { 0 };
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  if (sz)
    ConvertWCharToUtf8(sz, tmp, ARRAYSIZE(tmp));

  WLog_LVL(TAG, g_LogLevel, "%s {", name);
  smartcard_log_context(TAG, phContext);
  WLog_LVL(TAG, g_LogLevel, "  sz=%s", tmp);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_context_call(const Context_Call* call, const char* name)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "%s_Call {", name);
  smartcard_log_context(TAG, &call->handles.hContext);

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_list_reader_groups_call(const ListReaderGroups_Call* call, BOOL unicode)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "ListReaderGroups%S_Call {", unicode ? "W" : "A");
  smartcard_log_context(TAG, &call->handles.hContext);

  WLog_LVL(TAG, g_LogLevel, "fmszGroupsIsNULL: %" PRId32 " cchGroups: 0x%08" PRIx32,
           call->fmszGroupsIsNULL, call->cchGroups);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_get_status_change_w_call(const GetStatusChangeW_Call* call)
{
  char* szEventState = NULL;
  char* szCurrentState = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetStatusChangeW_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);

  WLog_LVL(TAG, g_LogLevel, "dwTimeOut: 0x%08" PRIX32 " cReaders: %" PRIu32 "", call->dwTimeOut,
           call->cReaders);

  for (UINT32 index = 0; index < call->cReaders; index++)
  {
    const LPSCARD_READERSTATEW readerState = &call->rgReaderStates[index];
    char szReaderA[1024] = { 0 };

    ConvertWCharToUtf8(readerState->szReader, szReaderA, ARRAYSIZE(szReaderA));

    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: szReader: %s cbAtr: %" PRIu32 "", index,
             szReaderA, readerState->cbAtr);
    szCurrentState = SCardGetReaderStateString(readerState->dwCurrentState);
    szEventState = SCardGetReaderStateString(readerState->dwEventState);
    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: dwCurrentState: %s (0x%08" PRIX32 ")", index,
             szCurrentState, readerState->dwCurrentState);
    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: dwEventState: %s (0x%08" PRIX32 ")", index,
             szEventState, readerState->dwEventState);
    free(szCurrentState);
    free(szEventState);
  }

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_list_reader_groups_return(const ListReaderGroups_Return* ret,
                                                      BOOL unicode)
{
  char* mszA = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  mszA = smartcard_convert_string_list(ret->msz, ret->cBytes, unicode);

  WLog_LVL(TAG, g_LogLevel, "ListReaderGroups%s_Return {", unicode ? "W" : "A");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIx32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  WLog_LVL(TAG, g_LogLevel, "  cBytes: %" PRIu32 " msz: %s", ret->cBytes, mszA);
  WLog_LVL(TAG, g_LogLevel, "}");
  free(mszA);
}

static void smartcard_trace_list_readers_call(const ListReaders_Call* call, BOOL unicode)
{
  char* mszGroupsA = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  mszGroupsA = smartcard_convert_string_list(call->mszGroups, call->cBytes, unicode);

  WLog_LVL(TAG, g_LogLevel, "ListReaders%s_Call {", unicode ? "W" : "A");
  smartcard_log_context(TAG, &call->handles.hContext);

  WLog_LVL(TAG, g_LogLevel,
           "cBytes: %" PRIu32 " mszGroups: %s fmszReadersIsNULL: %" PRId32
           " cchReaders: 0x%08" PRIX32 "",
           call->cBytes, mszGroupsA, call->fmszReadersIsNULL, call->cchReaders);
  WLog_LVL(TAG, g_LogLevel, "}");

  free(mszGroupsA);
}

static void smartcard_trace_locate_cards_by_atr_a_call(const LocateCardsByATRA_Call* call)
{
  char* szEventState = NULL;
  char* szCurrentState = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "LocateCardsByATRA_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);

  for (UINT32 index = 0; index < call->cReaders; index++)
  {
    char buffer[1024];
    const LPSCARD_READERSTATEA readerState = &call->rgReaderStates[index];

    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: szReader: %s cbAtr: %" PRIu32 "", index,
             readerState->szReader, readerState->cbAtr);
    szCurrentState = SCardGetReaderStateString(readerState->dwCurrentState);
    szEventState = SCardGetReaderStateString(readerState->dwEventState);
    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: dwCurrentState: %s (0x%08" PRIX32 ")", index,
             szCurrentState, readerState->dwCurrentState);
    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: dwEventState: %s (0x%08" PRIX32 ")", index,
             szEventState, readerState->dwEventState);

    WLog_DBG(
        TAG, "\t[%" PRIu32 "]: cbAtr: %" PRIu32 " rgbAtr: %s", index, readerState->cbAtr,
        smartcard_array_dump(readerState->rgbAtr, readerState->cbAtr, buffer, sizeof(buffer)));

    free(szCurrentState);
    free(szEventState);
  }

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_locate_cards_a_call(const LocateCardsA_Call* call)
{
  char buffer[8192];

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "LocateCardsA_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);
  WLog_LVL(TAG, g_LogLevel, " cBytes=%" PRId32, call->cBytes);
  WLog_LVL(TAG, g_LogLevel, " mszCards=%s",
           smartcard_msz_dump_a(call->mszCards, call->cBytes, buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, " cReaders=%" PRId32, call->cReaders);
  // WLog_LVL(TAG, g_LogLevel, " cReaders=%" PRId32, call->rgReaderStates);

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_locate_cards_return(const LocateCards_Return* ret)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "LocateCards_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);

  if (ret->ReturnCode == SCARD_S_SUCCESS)
  {
    WLog_LVL(TAG, g_LogLevel, "  cReaders=%" PRId32, ret->cReaders);
  }
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_get_reader_icon_return(const GetReaderIcon_Return* ret)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetReaderIcon_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);

  if (ret->ReturnCode == SCARD_S_SUCCESS)
  {
    WLog_LVL(TAG, g_LogLevel, "  cbDataLen=%" PRId32, ret->cbDataLen);
  }
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_get_transmit_count_return(const GetTransmitCount_Return* ret)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetTransmitCount_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);

  WLog_LVL(TAG, g_LogLevel, "  cTransmitCount=%" PRIu32, ret->cTransmitCount);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_read_cache_return(const ReadCache_Return* ret)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "ReadCache_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);

  if (ret->ReturnCode == SCARD_S_SUCCESS)
  {
    char buffer[1024];
    WLog_LVL(TAG, g_LogLevel, " cbDataLen=%" PRId32, ret->cbDataLen);
    WLog_LVL(TAG, g_LogLevel, "  cbData: %s",
             smartcard_array_dump(ret->pbData, ret->cbDataLen, buffer, sizeof(buffer)));
  }
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_locate_cards_w_call(const LocateCardsW_Call* call)
{
  char buffer[8192];

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "LocateCardsW_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);
  WLog_LVL(TAG, g_LogLevel, " cBytes=%" PRId32, call->cBytes);
  WLog_LVL(TAG, g_LogLevel, " sz2=%s",
           smartcard_msz_dump_w(call->mszCards, call->cBytes, buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, " cReaders=%" PRId32, call->cReaders);
  // WLog_LVL(TAG, g_LogLevel, " sz2=%s", call->rgReaderStates);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_list_readers_return(const ListReaders_Return* ret, BOOL unicode)
{
  char* mszA = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "ListReaders%s_Return {", unicode ? "W" : "A");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);

  if (ret->ReturnCode != SCARD_S_SUCCESS)
  {
    WLog_LVL(TAG, g_LogLevel, "}");
    return;
  }

  mszA = smartcard_convert_string_list(ret->msz, ret->cBytes, unicode);

  WLog_LVL(TAG, g_LogLevel, "  cBytes: %" PRIu32 " msz: %s", ret->cBytes, mszA);
  WLog_LVL(TAG, g_LogLevel, "}");
  free(mszA);
}

static void smartcard_trace_get_status_change_return(const GetStatusChange_Return* ret,
                                                     BOOL unicode)
{
  char* szEventState = NULL;
  char* szCurrentState = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetStatusChange%s_Return {", unicode ? "W" : "A");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  WLog_LVL(TAG, g_LogLevel, "  cReaders: %" PRIu32 "", ret->cReaders);

  for (UINT32 index = 0; index < ret->cReaders; index++)
  {
    char buffer[1024];
    const ReaderState_Return* rgReaderState = &(ret->rgReaderStates[index]);
    szCurrentState = SCardGetReaderStateString(rgReaderState->dwCurrentState);
    szEventState = SCardGetReaderStateString(rgReaderState->dwEventState);
    WLog_LVL(TAG, g_LogLevel, "    [%" PRIu32 "]: dwCurrentState: %s (0x%08" PRIX32 ")", index,
             szCurrentState, rgReaderState->dwCurrentState);
    WLog_LVL(TAG, g_LogLevel, "    [%" PRIu32 "]: dwEventState: %s (0x%08" PRIX32 ")", index,
             szEventState, rgReaderState->dwEventState);
    WLog_LVL(TAG, g_LogLevel, "    [%" PRIu32 "]: cbAtr: %" PRIu32 " rgbAtr: %s", index,
             rgReaderState->cbAtr,
             smartcard_array_dump(rgReaderState->rgbAtr, rgReaderState->cbAtr, buffer,
                                  sizeof(buffer)));
    free(szCurrentState);
    free(szEventState);
  }

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_context_and_two_strings_a_call(const ContextAndTwoStringA_Call* call)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "ContextAndTwoStringW_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);
  WLog_LVL(TAG, g_LogLevel, " sz1=%s", call->sz1);
  WLog_LVL(TAG, g_LogLevel, " sz2=%s", call->sz2);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_context_and_two_strings_w_call(const ContextAndTwoStringW_Call* call)
{
  char sz1[1024] = { 0 };
  char sz2[1024] = { 0 };

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;
  if (call->sz1)
    ConvertWCharToUtf8(call->sz1, sz1, ARRAYSIZE(sz1));
  if (call->sz2)
    ConvertWCharToUtf8(call->sz2, sz2, ARRAYSIZE(sz2));

  WLog_LVL(TAG, g_LogLevel, "ContextAndTwoStringW_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);
  WLog_LVL(TAG, g_LogLevel, " sz1=%s", sz1);
  WLog_LVL(TAG, g_LogLevel, " sz2=%s", sz2);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_get_transmit_count_call(const GetTransmitCount_Call* call)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetTransmitCount_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);
  smartcard_log_redir_handle(TAG, &call->handles.hCard);

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_write_cache_a_call(const WriteCacheA_Call* call)
{
  char buffer[1024];

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetTransmitCount_Call {");

  WLog_LVL(TAG, g_LogLevel, "  szLookupName=%s", call->szLookupName);

  smartcard_log_context(TAG, &call->Common.handles.hContext);
  WLog_DBG(
      TAG, "..CardIdentifier=%s",
      smartcard_array_dump(call->Common.CardIdentifier, sizeof(UUID), buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, "  FreshnessCounter=%" PRIu32, call->Common.FreshnessCounter);
  WLog_LVL(TAG, g_LogLevel, "  cbDataLen=%" PRIu32, call->Common.cbDataLen);
  WLog_DBG(
      TAG, "  pbData=%s",
      smartcard_array_dump(call->Common.pbData, call->Common.cbDataLen, buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_write_cache_w_call(const WriteCacheW_Call* call)
{
  char tmp[1024] = { 0 };
  char buffer[1024] = { 0 };

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetTransmitCount_Call {");

  if (call->szLookupName)
    ConvertWCharToUtf8(call->szLookupName, tmp, ARRAYSIZE(tmp));
  WLog_LVL(TAG, g_LogLevel, "  szLookupName=%s", tmp);

  smartcard_log_context(TAG, &call->Common.handles.hContext);
  WLog_DBG(
      TAG, "..CardIdentifier=%s",
      smartcard_array_dump(call->Common.CardIdentifier, sizeof(UUID), buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, "  FreshnessCounter=%" PRIu32, call->Common.FreshnessCounter);
  WLog_LVL(TAG, g_LogLevel, "  cbDataLen=%" PRIu32, call->Common.cbDataLen);
  WLog_DBG(
      TAG, "  pbData=%s",
      smartcard_array_dump(call->Common.pbData, call->Common.cbDataLen, buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_read_cache_a_call(const ReadCacheA_Call* call)
{
  char buffer[1024];

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetTransmitCount_Call {");

  WLog_LVL(TAG, g_LogLevel, "  szLookupName=%s", call->szLookupName);
  smartcard_log_context(TAG, &call->Common.handles.hContext);
  WLog_DBG(
      TAG, "..CardIdentifier=%s",
      smartcard_array_dump(call->Common.CardIdentifier, sizeof(UUID), buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, "  FreshnessCounter=%" PRIu32, call->Common.FreshnessCounter);
  WLog_LVL(TAG, g_LogLevel, "  fPbDataIsNULL=%" PRId32, call->Common.fPbDataIsNULL);
  WLog_LVL(TAG, g_LogLevel, "  cbDataLen=%" PRIu32, call->Common.cbDataLen);

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_read_cache_w_call(const ReadCacheW_Call* call)
{
  char tmp[1024] = { 0 };
  char buffer[1024] = { 0 };

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetTransmitCount_Call {");
  if (call->szLookupName)
    ConvertWCharToUtf8(call->szLookupName, tmp, ARRAYSIZE(tmp));
  WLog_LVL(TAG, g_LogLevel, "  szLookupName=%s", tmp);

  smartcard_log_context(TAG, &call->Common.handles.hContext);
  WLog_DBG(
      TAG, "..CardIdentifier=%s",
      smartcard_array_dump(call->Common.CardIdentifier, sizeof(UUID), buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, "  FreshnessCounter=%" PRIu32, call->Common.FreshnessCounter);
  WLog_LVL(TAG, g_LogLevel, "  fPbDataIsNULL=%" PRId32, call->Common.fPbDataIsNULL);
  WLog_LVL(TAG, g_LogLevel, "  cbDataLen=%" PRIu32, call->Common.cbDataLen);

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_transmit_call(const Transmit_Call* call)
{
  UINT32 cbExtraBytes = 0;
  BYTE* pbExtraBytes = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "Transmit_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);
  smartcard_log_redir_handle(TAG, &call->handles.hCard);

  if (call->pioSendPci)
  {
    cbExtraBytes = (UINT32)(call->pioSendPci->cbPciLength - sizeof(SCARD_IO_REQUEST));
    pbExtraBytes = &((BYTE*)call->pioSendPci)[sizeof(SCARD_IO_REQUEST)];
    WLog_LVL(TAG, g_LogLevel, "pioSendPci: dwProtocol: %" PRIu32 " cbExtraBytes: %" PRIu32 "",
             call->pioSendPci->dwProtocol, cbExtraBytes);

    if (cbExtraBytes)
    {
      char buffer[1024];
      WLog_LVL(TAG, g_LogLevel, "pbExtraBytes: %s",
               smartcard_array_dump(pbExtraBytes, cbExtraBytes, buffer, sizeof(buffer)));
    }
  }
  else
  {
    WLog_LVL(TAG, g_LogLevel, "pioSendPci: null");
  }

  WLog_LVL(TAG, g_LogLevel, "cbSendLength: %" PRIu32 "", call->cbSendLength);

  if (call->pbSendBuffer)
  {
    char buffer[1024];
    WLog_DBG(
        TAG, "pbSendBuffer: %s",
        smartcard_array_dump(call->pbSendBuffer, call->cbSendLength, buffer, sizeof(buffer)));
  }
  else
  {
    WLog_LVL(TAG, g_LogLevel, "pbSendBuffer: null");
  }

  if (call->pioRecvPci)
  {
    cbExtraBytes = (UINT32)(call->pioRecvPci->cbPciLength - sizeof(SCARD_IO_REQUEST));
    pbExtraBytes = &((BYTE*)call->pioRecvPci)[sizeof(SCARD_IO_REQUEST)];
    WLog_LVL(TAG, g_LogLevel, "pioRecvPci: dwProtocol: %" PRIu32 " cbExtraBytes: %" PRIu32 "",
             call->pioRecvPci->dwProtocol, cbExtraBytes);

    if (cbExtraBytes)
    {
      char buffer[1024];
      WLog_LVL(TAG, g_LogLevel, "pbExtraBytes: %s",
               smartcard_array_dump(pbExtraBytes, cbExtraBytes, buffer, sizeof(buffer)));
    }
  }
  else
  {
    WLog_LVL(TAG, g_LogLevel, "pioRecvPci: null");
  }

  WLog_LVL(TAG, g_LogLevel, "fpbRecvBufferIsNULL: %" PRId32 " cbRecvLength: %" PRIu32 "",
           call->fpbRecvBufferIsNULL, call->cbRecvLength);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_locate_cards_by_atr_w_call(const LocateCardsByATRW_Call* call)
{
  char* szEventState = NULL;
  char* szCurrentState = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "LocateCardsByATRW_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);

  for (UINT32 index = 0; index < call->cReaders; index++)
  {
    char buffer[1024] = { 0 };
    char tmp[1024] = { 0 };
    const LPSCARD_READERSTATEW readerState =
        (const LPSCARD_READERSTATEW)&call->rgReaderStates[index];

    if (readerState->szReader)
      ConvertWCharToUtf8(readerState->szReader, tmp, ARRAYSIZE(tmp));
    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: szReader: %s cbAtr: %" PRIu32 "", index, tmp,
             readerState->cbAtr);
    szCurrentState = SCardGetReaderStateString(readerState->dwCurrentState);
    szEventState = SCardGetReaderStateString(readerState->dwEventState);
    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: dwCurrentState: %s (0x%08" PRIX32 ")", index,
             szCurrentState, readerState->dwCurrentState);
    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: dwEventState: %s (0x%08" PRIX32 ")", index,
             szEventState, readerState->dwEventState);

    WLog_DBG(
        TAG, "\t[%" PRIu32 "]: cbAtr: %" PRIu32 " rgbAtr: %s", index, readerState->cbAtr,
        smartcard_array_dump(readerState->rgbAtr, readerState->cbAtr, buffer, sizeof(buffer)));

    free(szCurrentState);
    free(szEventState);
  }

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_transmit_return(const Transmit_Return* ret)
{
  UINT32 cbExtraBytes = 0;
  BYTE* pbExtraBytes = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "Transmit_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);

  if (ret->pioRecvPci)
  {
    cbExtraBytes = (UINT32)(ret->pioRecvPci->cbPciLength - sizeof(SCARD_IO_REQUEST));
    pbExtraBytes = &((BYTE*)ret->pioRecvPci)[sizeof(SCARD_IO_REQUEST)];
    WLog_LVL(TAG, g_LogLevel, "  pioRecvPci: dwProtocol: %" PRIu32 " cbExtraBytes: %" PRIu32 "",
             ret->pioRecvPci->dwProtocol, cbExtraBytes);

    if (cbExtraBytes)
    {
      char buffer[1024];
      WLog_LVL(TAG, g_LogLevel, "  pbExtraBytes: %s",
               smartcard_array_dump(pbExtraBytes, cbExtraBytes, buffer, sizeof(buffer)));
    }
  }
  else
  {
    WLog_LVL(TAG, g_LogLevel, "  pioRecvPci: null");
  }

  WLog_LVL(TAG, g_LogLevel, "  cbRecvLength: %" PRIu32 "", ret->cbRecvLength);

  if (ret->pbRecvBuffer)
  {
    char buffer[1024];
    WLog_DBG(
        TAG, "  pbRecvBuffer: %s",
        smartcard_array_dump(ret->pbRecvBuffer, ret->cbRecvLength, buffer, sizeof(buffer)));
  }
  else
  {
    WLog_LVL(TAG, g_LogLevel, "  pbRecvBuffer: null");
  }

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_control_return(const Control_Return* ret)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "Control_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  WLog_LVL(TAG, g_LogLevel, "  cbOutBufferSize: %" PRIu32 "", ret->cbOutBufferSize);

  if (ret->pvOutBuffer)
  {
    char buffer[1024];
    WLog_DBG(
        TAG, "pvOutBuffer: %s",
        smartcard_array_dump(ret->pvOutBuffer, ret->cbOutBufferSize, buffer, sizeof(buffer)));
  }
  else
  {
    WLog_LVL(TAG, g_LogLevel, "pvOutBuffer: null");
  }

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_control_call(const Control_Call* call)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "Control_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);
  smartcard_log_redir_handle(TAG, &call->handles.hCard);

  WLog_LVL(TAG, g_LogLevel,
           "dwControlCode: 0x%08" PRIX32 " cbInBufferSize: %" PRIu32
           " fpvOutBufferIsNULL: %" PRId32 " cbOutBufferSize: %" PRIu32 "",
           call->dwControlCode, call->cbInBufferSize, call->fpvOutBufferIsNULL,
           call->cbOutBufferSize);

  if (call->pvInBuffer)
  {
    char buffer[1024];
    WLog_DBG(
        TAG, "pbInBuffer: %s",
        smartcard_array_dump(call->pvInBuffer, call->cbInBufferSize, buffer, sizeof(buffer)));
  }
  else
  {
    WLog_LVL(TAG, g_LogLevel, "pvInBuffer: null");
  }

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_set_attrib_call(const SetAttrib_Call* call)
{
  char buffer[8192];

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetAttrib_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);
  smartcard_log_redir_handle(TAG, &call->handles.hCard);
  WLog_LVL(TAG, g_LogLevel, "dwAttrId: 0x%08" PRIX32, call->dwAttrId);
  WLog_LVL(TAG, g_LogLevel, "cbAttrLen: 0x%08" PRId32, call->cbAttrLen);
  WLog_LVL(TAG, g_LogLevel, "pbAttr: %s",
           smartcard_array_dump(call->pbAttr, call->cbAttrLen, buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_get_attrib_return(const GetAttrib_Return* ret, DWORD dwAttrId)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetAttrib_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  WLog_LVL(TAG, g_LogLevel, "  dwAttrId: %s (0x%08" PRIX32 ") cbAttrLen: 0x%08" PRIX32 "",
           SCardGetAttributeString(dwAttrId), dwAttrId, ret->cbAttrLen);

  if (dwAttrId == SCARD_ATTR_VENDOR_NAME)
  {
    WLog_LVL(TAG, g_LogLevel, "  pbAttr: %.*s", ret->cbAttrLen, (char*)ret->pbAttr);
  }
  else if (dwAttrId == SCARD_ATTR_CURRENT_PROTOCOL_TYPE)
  {
    union
    {
      BYTE* pb;
      DWORD* pd;
    } attr;
    attr.pb = ret->pbAttr;
    WLog_LVL(TAG, g_LogLevel, "  dwProtocolType: %s (0x%08" PRIX32 ")",
             SCardGetProtocolString(*attr.pd), *attr.pd);
  }

  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_get_attrib_call(const GetAttrib_Call* call)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetAttrib_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);
  smartcard_log_redir_handle(TAG, &call->handles.hCard);

  WLog_LVL(TAG, g_LogLevel,
           "dwAttrId: %s (0x%08" PRIX32 ") fpbAttrIsNULL: %" PRId32 " cbAttrLen: 0x%08" PRIX32 "",
           SCardGetAttributeString(call->dwAttrId), call->dwAttrId, call->fpbAttrIsNULL,
           call->cbAttrLen);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_status_call(const Status_Call* call, BOOL unicode)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "Status%s_Call {", unicode ? "W" : "A");
  smartcard_log_context(TAG, &call->handles.hContext);
  smartcard_log_redir_handle(TAG, &call->handles.hCard);

  WLog_LVL(TAG, g_LogLevel,
           "fmszReaderNamesIsNULL: %" PRId32 " cchReaderLen: %" PRIu32 " cbAtrLen: %" PRIu32 "",
           call->fmszReaderNamesIsNULL, call->cchReaderLen, call->cbAtrLen);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_status_return(const Status_Return* ret, BOOL unicode)
{
  char* mszReaderNamesA = NULL;
  char buffer[1024];
  DWORD cBytes = 0;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;
  cBytes = ret->cBytes;
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    cBytes = 0;
  if (cBytes == SCARD_AUTOALLOCATE)
    cBytes = 0;
  mszReaderNamesA = smartcard_convert_string_list(ret->mszReaderNames, cBytes, unicode);

  WLog_LVL(TAG, g_LogLevel, "Status%s_Return {", unicode ? "W" : "A");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  WLog_LVL(TAG, g_LogLevel, "  dwState: %s (0x%08" PRIX32 ") dwProtocol: %s (0x%08" PRIX32 ")",
           SCardGetCardStateString(ret->dwState), ret->dwState,
           SCardGetProtocolString(ret->dwProtocol), ret->dwProtocol);

  WLog_LVL(TAG, g_LogLevel, "  cBytes: %" PRIu32 " mszReaderNames: %s", ret->cBytes,
           mszReaderNamesA);

  WLog_LVL(TAG, g_LogLevel, "  cbAtrLen: %" PRIu32 " pbAtr: %s", ret->cbAtrLen,
           smartcard_array_dump(ret->pbAtr, ret->cbAtrLen, buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, "}");
  free(mszReaderNamesA);
}

static void smartcard_trace_state_return(const State_Return* ret)
{
  char buffer[1024];
  char* state = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  state = SCardGetReaderStateString(ret->dwState);
  WLog_LVL(TAG, g_LogLevel, "Reconnect_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  WLog_LVL(TAG, g_LogLevel, "  dwState:    %s (0x%08" PRIX32 ")", state, ret->dwState);
  WLog_LVL(TAG, g_LogLevel, "  dwProtocol: %s (0x%08" PRIX32 ")",
           SCardGetProtocolString(ret->dwProtocol), ret->dwProtocol);
  WLog_LVL(TAG, g_LogLevel, "  cbAtrLen:      (0x%08" PRIX32 ")", ret->cbAtrLen);
  WLog_LVL(TAG, g_LogLevel, "  rgAtr:      %s",
           smartcard_array_dump(ret->rgAtr, sizeof(ret->rgAtr), buffer, sizeof(buffer)));
  WLog_LVL(TAG, g_LogLevel, "}");
  free(state);
}

static void smartcard_trace_reconnect_return(const Reconnect_Return* ret)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "Reconnect_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  WLog_LVL(TAG, g_LogLevel, "  dwActiveProtocol: %s (0x%08" PRIX32 ")",
           SCardGetProtocolString(ret->dwActiveProtocol), ret->dwActiveProtocol);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_connect_a_call(const ConnectA_Call* call)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "ConnectA_Call {");
  smartcard_log_context(TAG, &call->Common.handles.hContext);

  WLog_LVL(TAG, g_LogLevel,
           "szReader: %s dwShareMode: %s (0x%08" PRIX32 ") dwPreferredProtocols: %s (0x%08" PRIX32
           ")",
           call->szReader, SCardGetShareModeString(call->Common.dwShareMode),
           call->Common.dwShareMode, SCardGetProtocolString(call->Common.dwPreferredProtocols),
           call->Common.dwPreferredProtocols);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_connect_w_call(const ConnectW_Call* call)
{
  char szReaderA[1024] = { 0 };

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  if (call->szReader)
    ConvertWCharToUtf8(call->szReader, szReaderA, ARRAYSIZE(szReaderA));
  WLog_LVL(TAG, g_LogLevel, "ConnectW_Call {");
  smartcard_log_context(TAG, &call->Common.handles.hContext);

  WLog_LVL(TAG, g_LogLevel,
           "szReader: %s dwShareMode: %s (0x%08" PRIX32 ") dwPreferredProtocols: %s (0x%08" PRIX32
           ")",
           szReaderA, SCardGetShareModeString(call->Common.dwShareMode), call->Common.dwShareMode,
           SCardGetProtocolString(call->Common.dwPreferredProtocols),
           call->Common.dwPreferredProtocols);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_hcard_and_disposition_call(const HCardAndDisposition_Call* call,
                                                       const char* name)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "%s_Call {", name);
  smartcard_log_context(TAG, &call->handles.hContext);
  smartcard_log_redir_handle(TAG, &call->handles.hCard);

  WLog_LVL(TAG, g_LogLevel, "dwDisposition: %s (0x%08" PRIX32 ")",
           SCardGetDispositionString(call->dwDisposition), call->dwDisposition);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_establish_context_call(const EstablishContext_Call* call)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "EstablishContext_Call {");
  WLog_LVL(TAG, g_LogLevel, "dwScope: %s (0x%08" PRIX32 ")", SCardGetScopeString(call->dwScope),
           call->dwScope);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_establish_context_return(const EstablishContext_Return* ret)
{

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "EstablishContext_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  smartcard_log_context(TAG, &ret->hContext);

  WLog_LVL(TAG, g_LogLevel, "}");
}

void smartcard_trace_long_return(const Long_Return* ret, const char* name)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "%s_Return {", name);
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_connect_return(const Connect_Return* ret)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "Connect_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  smartcard_log_context(TAG, &ret->hContext);
  smartcard_log_redir_handle(TAG, &ret->hCard);

  WLog_LVL(TAG, g_LogLevel, "  dwActiveProtocol: %s (0x%08" PRIX32 ")",
           SCardGetProtocolString(ret->dwActiveProtocol), ret->dwActiveProtocol);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_reconnect_call(const Reconnect_Call* call)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "Reconnect_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);
  smartcard_log_redir_handle(TAG, &call->handles.hCard);

  WLog_LVL(TAG, g_LogLevel,
           "dwShareMode: %s (0x%08" PRIX32 ") dwPreferredProtocols: %s (0x%08" PRIX32
           ") dwInitialization: %s (0x%08" PRIX32 ")",
           SCardGetShareModeString(call->dwShareMode), call->dwShareMode,
           SCardGetProtocolString(call->dwPreferredProtocols), call->dwPreferredProtocols,
           SCardGetDispositionString(call->dwInitialization), call->dwInitialization);
  WLog_LVL(TAG, g_LogLevel, "}");
}

static void smartcard_trace_device_type_id_return(const GetDeviceTypeId_Return* ret)
{
  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetDeviceTypeId_Return {");
  WLog_LVL(TAG, g_LogLevel, "  ReturnCode: %s (0x%08" PRIX32 ")",
           SCardGetErrorString(ret->ReturnCode), ret->ReturnCode);
  WLog_LVL(TAG, g_LogLevel, "  dwDeviceId=%08" PRIx32, ret->dwDeviceId);

  WLog_LVL(TAG, g_LogLevel, "}");
}

static LONG smartcard_unpack_common_context_and_string_a(wStream* s, REDIR_SCARDCONTEXT* phContext,
                                                         CHAR** pszReaderName)
{
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;
  LONG status = smartcard_unpack_redir_scard_context(s, phContext, &index, &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!smartcard_ndr_pointer_read(s, &index, NULL))
    return ERROR_INVALID_DATA;

  status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr, phContext);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_ndr_read_a(s, pszReaderName, NDR_PTR_FULL);
  if (status != SCARD_S_SUCCESS)
    return status;

  smartcard_trace_context_and_string_call_a(__func__, phContext, *pszReaderName);
  return SCARD_S_SUCCESS;
}

static LONG smartcard_unpack_common_context_and_string_w(wStream* s, REDIR_SCARDCONTEXT* phContext,
                                                         WCHAR** pszReaderName)
{
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, phContext, &index, &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!smartcard_ndr_pointer_read(s, &index, NULL))
    return ERROR_INVALID_DATA;

  status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr, phContext);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_ndr_read_w(s, pszReaderName, NDR_PTR_FULL);
  if (status != SCARD_S_SUCCESS)
    return status;

  smartcard_trace_context_and_string_call_w(__func__, phContext, *pszReaderName);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_common_type_header(wStream* s)
{
  UINT8 version = 0;
  UINT32 filler = 0;
  UINT8 endianness = 0;
  UINT16 commonHeaderLength = 0;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
    return STATUS_BUFFER_TOO_SMALL;

  /* Process CommonTypeHeader */
  Stream_Read_UINT8(s, version);             /* Version (1 byte) */
  Stream_Read_UINT8(s, endianness);          /* Endianness (1 byte) */
  Stream_Read_UINT16(s, commonHeaderLength); /* CommonHeaderLength (2 bytes) */
  Stream_Read_UINT32(s, filler);             /* Filler (4 bytes), should be 0xCCCCCCCC */

  if (version != 1)
  {
    WLog_WARN(TAG, "Unsupported CommonTypeHeader Version %" PRIu8 "", version);
    return STATUS_INVALID_PARAMETER;
  }

  if (endianness != 0x10)
  {
    WLog_WARN(TAG, "Unsupported CommonTypeHeader Endianness %" PRIu8 "", endianness);
    return STATUS_INVALID_PARAMETER;
  }

  if (commonHeaderLength != 8)
  {
    WLog_WARN(TAG, "Unsupported CommonTypeHeader CommonHeaderLength %" PRIu16 "",
              commonHeaderLength);
    return STATUS_INVALID_PARAMETER;
  }

  if (filler != 0xCCCCCCCC)
  {
    WLog_WARN(TAG, "Unexpected CommonTypeHeader Filler 0x%08" PRIX32 "", filler);
    return STATUS_INVALID_PARAMETER;
  }

  return SCARD_S_SUCCESS;
}

void smartcard_pack_common_type_header(wStream* s)
{
  Stream_Write_UINT8(s, 1);           /* Version (1 byte) */
  Stream_Write_UINT8(s, 0x10);        /* Endianness (1 byte) */
  Stream_Write_UINT16(s, 8);          /* CommonHeaderLength (2 bytes) */
  Stream_Write_UINT32(s, 0xCCCCCCCC); /* Filler (4 bytes), should be 0xCCCCCCCC */
}

LONG smartcard_unpack_private_type_header(wStream* s)
{
  UINT32 filler = 0;
  UINT32 objectBufferLength = 0;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, objectBufferLength); /* ObjectBufferLength (4 bytes) */
  Stream_Read_UINT32(s, filler);             /* Filler (4 bytes), should be 0x00000000 */

  if (filler != 0x00000000)
  {
    WLog_WARN(TAG, "Unexpected PrivateTypeHeader Filler 0x%08" PRIX32 "", filler);
    return STATUS_INVALID_PARAMETER;
  }

  if (!Stream_CheckAndLogRequiredLength(TAG, s, objectBufferLength))
    return STATUS_INVALID_PARAMETER;

  return SCARD_S_SUCCESS;
}

void smartcard_pack_private_type_header(wStream* s, UINT32 objectBufferLength)
{
  Stream_Write_UINT32(s, objectBufferLength); /* ObjectBufferLength (4 bytes) */
  Stream_Write_UINT32(s, 0x00000000);         /* Filler (4 bytes), should be 0x00000000 */
}

LONG smartcard_unpack_read_size_align(wStream* s, size_t size, UINT32 alignment)
{
  size_t pad = 0;

  pad = size;
  size = (size + alignment - 1) & ~(alignment - 1);
  pad = size - pad;

  if (pad)
    Stream_Seek(s, pad);

  return (LONG)pad;
}

LONG smartcard_pack_write_size_align(wStream* s, size_t size, UINT32 alignment)
{
  size_t pad = 0;

  pad = size;
  size = (size + alignment - 1) & ~(alignment - 1);
  pad = size - pad;

  if (pad)
  {
    if (!Stream_EnsureRemainingCapacity(s, pad))
    {
      WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
      return SCARD_F_INTERNAL_ERROR;
    }

    Stream_Zero(s, pad);
  }

  return SCARD_S_SUCCESS;
}

SCARDCONTEXT smartcard_scard_context_native_from_redir(REDIR_SCARDCONTEXT* context)
{
  SCARDCONTEXT hContext = { 0 };

  if ((context->cbContext != sizeof(ULONG_PTR)) && (context->cbContext != 0))
  {
    WLog_WARN(TAG,
              "REDIR_SCARDCONTEXT does not match native size: Actual: %" PRIu32
              ", Expected: %" PRIuz "",
              context->cbContext, sizeof(ULONG_PTR));
    return 0;
  }

  if (context->cbContext)
    CopyMemory(&hContext, &(context->pbContext), context->cbContext);

  return hContext;
}

void smartcard_scard_context_native_to_redir(REDIR_SCARDCONTEXT* context, SCARDCONTEXT hContext)
{
  WINPR_ASSERT(context);
  ZeroMemory(context, sizeof(REDIR_SCARDCONTEXT));
  context->cbContext = sizeof(ULONG_PTR);
  CopyMemory(&(context->pbContext), &hContext, context->cbContext);
}

SCARDHANDLE smartcard_scard_handle_native_from_redir(REDIR_SCARDHANDLE* handle)
{
  SCARDHANDLE hCard = 0;

  if (handle->cbHandle == 0)
    return hCard;

  if (handle->cbHandle != sizeof(ULONG_PTR))
  {
    WLog_WARN(TAG,
              "REDIR_SCARDHANDLE does not match native size: Actual: %" PRIu32
              ", Expected: %" PRIuz "",
              handle->cbHandle, sizeof(ULONG_PTR));
    return 0;
  }

  if (handle->cbHandle)
    CopyMemory(&hCard, &(handle->pbHandle), handle->cbHandle);

  return hCard;
}

void smartcard_scard_handle_native_to_redir(REDIR_SCARDHANDLE* handle, SCARDHANDLE hCard)
{
  WINPR_ASSERT(handle);
  ZeroMemory(handle, sizeof(REDIR_SCARDHANDLE));
  handle->cbHandle = sizeof(ULONG_PTR);
  CopyMemory(&(handle->pbHandle), &hCard, handle->cbHandle);
}

LONG smartcard_unpack_redir_scard_context_(wStream* s, REDIR_SCARDCONTEXT* context, UINT32* index,
                                           UINT32* ppbContextNdrPtr, const char* file,
                                           const char* function, int line)
{
  UINT32 pbContextNdrPtr = 0;

  WINPR_UNUSED(file);
  WINPR_ASSERT(context);

  ZeroMemory(context, sizeof(REDIR_SCARDCONTEXT));

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, context->cbContext); /* cbContext (4 bytes) */

  if (!Stream_CheckAndLogRequiredLength(TAG, s, context->cbContext))
    return STATUS_BUFFER_TOO_SMALL;

  if ((context->cbContext != 0) && (context->cbContext != 4) && (context->cbContext != 8))
  {
    WLog_WARN(TAG, "REDIR_SCARDCONTEXT length is not 0, 4 or 8: %" PRIu32 "",
              context->cbContext);
    return STATUS_INVALID_PARAMETER;
  }

  if (!smartcard_ndr_pointer_read_(s, index, &pbContextNdrPtr, file, function, line))
    return ERROR_INVALID_DATA;

  if (((context->cbContext == 0) && pbContextNdrPtr) ||
      ((context->cbContext != 0) && !pbContextNdrPtr))
  {
    WLog_WARN(TAG,
              "REDIR_SCARDCONTEXT cbContext (%" PRIu32 ") pbContextNdrPtr (%" PRIu32
              ") inconsistency",
              context->cbContext, pbContextNdrPtr);
    return STATUS_INVALID_PARAMETER;
  }

  if (!Stream_CheckAndLogRequiredLength(TAG, s, context->cbContext))
    return STATUS_INVALID_PARAMETER;

  *ppbContextNdrPtr = pbContextNdrPtr;
  return SCARD_S_SUCCESS;
}

LONG smartcard_pack_redir_scard_context(wStream* s, const REDIR_SCARDCONTEXT* context, DWORD* index)
{
  const UINT32 pbContextNdrPtr = 0x00020000 + *index * 4;

  if (context->cbContext != 0)
  {
    Stream_Write_UINT32(s, context->cbContext); /* cbContext (4 bytes) */
    Stream_Write_UINT32(s, pbContextNdrPtr);    /* pbContextNdrPtr (4 bytes) */
    *index = *index + 1;
  }
  else
    Stream_Zero(s, 8);

  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_redir_scard_context_ref(wStream* s, UINT32 pbContextNdrPtr,
                                              REDIR_SCARDCONTEXT* context)
{
  UINT32 length = 0;

  WINPR_ASSERT(context);
  if (context->cbContext == 0)
    return SCARD_S_SUCCESS;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, length); /* Length (4 bytes) */

  if (length != context->cbContext)
  {
    WLog_WARN(TAG, "REDIR_SCARDCONTEXT length (%" PRIu32 ") cbContext (%" PRIu32 ") mismatch",
              length, context->cbContext);
    return STATUS_INVALID_PARAMETER;
  }

  if ((context->cbContext != 0) && (context->cbContext != 4) && (context->cbContext != 8))
  {
    WLog_WARN(TAG, "REDIR_SCARDCONTEXT length is not 4 or 8: %" PRIu32 "", context->cbContext);
    return STATUS_INVALID_PARAMETER;
  }

  if (!Stream_CheckAndLogRequiredLength(TAG, s, context->cbContext))
    return STATUS_BUFFER_TOO_SMALL;

  if (context->cbContext)
    Stream_Read(s, &(context->pbContext), context->cbContext);
  else
    ZeroMemory(&(context->pbContext), sizeof(context->pbContext));

  return SCARD_S_SUCCESS;
}

LONG smartcard_pack_redir_scard_context_ref(wStream* s, const REDIR_SCARDCONTEXT* context)
{

  Stream_Write_UINT32(s, context->cbContext); /* Length (4 bytes) */

  if (context->cbContext)
  {
    Stream_Write(s, &(context->pbContext), context->cbContext);
  }

  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_redir_scard_handle_(wStream* s, REDIR_SCARDHANDLE* handle, UINT32* index,
                                          const char* file, const char* function, int line)
{
  WINPR_ASSERT(handle);
  ZeroMemory(handle, sizeof(REDIR_SCARDHANDLE));

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, handle->cbHandle); /* Length (4 bytes) */

  if (!Stream_CheckAndLogRequiredLength(TAG, s, handle->cbHandle))
    return STATUS_BUFFER_TOO_SMALL;

  if (!smartcard_ndr_pointer_read_(s, index, NULL, file, function, line))
    return ERROR_INVALID_DATA;

  return SCARD_S_SUCCESS;
}

LONG smartcard_pack_redir_scard_handle(wStream* s, const REDIR_SCARDHANDLE* handle, DWORD* index)
{
  const UINT32 pbContextNdrPtr = 0x00020000 + *index * 4;

  if (handle->cbHandle != 0)
  {
    Stream_Write_UINT32(s, handle->cbHandle); /* cbContext (4 bytes) */
    Stream_Write_UINT32(s, pbContextNdrPtr);  /* pbContextNdrPtr (4 bytes) */
    *index = *index + 1;
  }
  else
    Stream_Zero(s, 8);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_redir_scard_handle_ref(wStream* s, REDIR_SCARDHANDLE* handle)
{
  UINT32 length = 0;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, length); /* Length (4 bytes) */

  if (length != handle->cbHandle)
  {
    WLog_WARN(TAG, "REDIR_SCARDHANDLE length (%" PRIu32 ") cbHandle (%" PRIu32 ") mismatch",
              length, handle->cbHandle);
    return STATUS_INVALID_PARAMETER;
  }

  if ((handle->cbHandle != 4) && (handle->cbHandle != 8))
  {
    WLog_WARN(TAG, "REDIR_SCARDHANDLE length is not 4 or 8: %" PRIu32 "", handle->cbHandle);
    return STATUS_INVALID_PARAMETER;
  }

  if (!Stream_CheckAndLogRequiredLength(TAG, s, handle->cbHandle))
    return STATUS_BUFFER_TOO_SMALL;

  if (handle->cbHandle)
    Stream_Read(s, &(handle->pbHandle), handle->cbHandle);

  return SCARD_S_SUCCESS;
}

LONG smartcard_pack_redir_scard_handle_ref(wStream* s, const REDIR_SCARDHANDLE* handle)
{

  Stream_Write_UINT32(s, handle->cbHandle); /* Length (4 bytes) */

  if (handle->cbHandle)
    Stream_Write(s, &(handle->pbHandle), handle->cbHandle);

  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_establish_context_call(wStream* s, EstablishContext_Call* call)
{
  if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->dwScope); /* dwScope (4 bytes) */
  smartcard_trace_establish_context_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_pack_establish_context_return(wStream* s, const EstablishContext_Return* ret)
{
  LONG status = 0;
  DWORD index = 0;

  smartcard_trace_establish_context_return(ret);
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    return ret->ReturnCode;

  if ((status = smartcard_pack_redir_scard_context(s, &(ret->hContext), &index)))
    return status;

  return smartcard_pack_redir_scard_context_ref(s, &(ret->hContext));
}

LONG smartcard_unpack_context_call(wStream* s, Context_Call* call, const char* name)
{
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    WLog_ERR(TAG, "smartcard_unpack_redir_scard_context_ref failed with error %" PRId32 "",
             status);

  smartcard_trace_context_call(call, name);
  return status;
}

LONG smartcard_unpack_list_reader_groups_call(wStream* s, ListReaderGroups_Call* call, BOOL unicode)
{
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);

  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_INT32(s, call->fmszGroupsIsNULL); /* fmszGroupsIsNULL (4 bytes) */
  Stream_Read_UINT32(s, call->cchGroups);       /* cchGroups (4 bytes) */
  status =
      smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr, &(call->handles.hContext));

  if (status != SCARD_S_SUCCESS)
    return status;

  smartcard_trace_list_reader_groups_call(call, unicode);
  return SCARD_S_SUCCESS;
}

LONG smartcard_pack_list_reader_groups_return(wStream* s, const ListReaderGroups_Return* ret,
                                              BOOL unicode)
{
  LONG status = 0;
  DWORD cBytes = ret->cBytes;
  UINT32 index = 0;

  smartcard_trace_list_reader_groups_return(ret, unicode);
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    cBytes = 0;
  if (cBytes == SCARD_AUTOALLOCATE)
    cBytes = 0;

  if (!Stream_EnsureRemainingCapacity(s, 4))
    return SCARD_E_NO_MEMORY;

  Stream_Write_UINT32(s, cBytes); /* cBytes (4 bytes) */
  if (!smartcard_ndr_pointer_write(s, &index, cBytes))
    return SCARD_E_NO_MEMORY;

  status = smartcard_ndr_write(s, ret->msz, cBytes, 1, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

LONG smartcard_unpack_list_readers_call(wStream* s, ListReaders_Call* call, BOOL unicode)
{
  UINT32 index = 0;
  UINT32 mszGroupsNdrPtr = 0;
  UINT32 pbContextNdrPtr = 0;

  call->mszGroups = NULL;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 16))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->cBytes); /* cBytes (4 bytes) */
  if (!smartcard_ndr_pointer_read(s, &index, &mszGroupsNdrPtr))
    return ERROR_INVALID_DATA;
  Stream_Read_INT32(s, call->fmszReadersIsNULL); /* fmszReadersIsNULL (4 bytes) */
  Stream_Read_UINT32(s, call->cchReaders);       /* cchReaders (4 bytes) */

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if (mszGroupsNdrPtr)
  {
    status = smartcard_ndr_read(s, &call->mszGroups, call->cBytes, 1, NDR_PTR_SIMPLE);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  smartcard_trace_list_readers_call(call, unicode);
  return SCARD_S_SUCCESS;
}

LONG smartcard_pack_list_readers_return(wStream* s, const ListReaders_Return* ret, BOOL unicode)
{
  LONG status = 0;
  UINT32 index = 0;
  UINT32 size = ret->cBytes;

  smartcard_trace_list_readers_return(ret, unicode);
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    size = 0;

  if (!Stream_EnsureRemainingCapacity(s, 4))
  {
    WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
    return SCARD_F_INTERNAL_ERROR;
  }

  Stream_Write_UINT32(s, size); /* cBytes (4 bytes) */
  if (!smartcard_ndr_pointer_write(s, &index, size))
    return SCARD_E_NO_MEMORY;

  status = smartcard_ndr_write(s, ret->msz, size, 1, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

static LONG smartcard_unpack_connect_common(wStream* s, Connect_Common_Call* common, UINT32* index,
                                            UINT32* ppbContextNdrPtr)
{
  LONG status = smartcard_unpack_redir_scard_context(s, &(common->handles.hContext), index,
                                                     ppbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, common->dwShareMode);          /* dwShareMode (4 bytes) */
  Stream_Read_UINT32(s, common->dwPreferredProtocols); /* dwPreferredProtocols (4 bytes) */
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_connect_a_call(wStream* s, ConnectA_Call* call)
{
  LONG status = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;
  call->szReader = NULL;

  if (!smartcard_ndr_pointer_read(s, &index, NULL))
    return ERROR_INVALID_DATA;

  if ((status = smartcard_unpack_connect_common(s, &(call->Common), &index, &pbContextNdrPtr)))
  {
    WLog_ERR(TAG, "smartcard_unpack_connect_common failed with error %" PRId32 "", status);
    return status;
  }

  status = smartcard_ndr_read_a(s, &call->szReader, NDR_PTR_FULL);
  if (status != SCARD_S_SUCCESS)
    return status;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->Common.handles.hContext))))
    WLog_ERR(TAG, "smartcard_unpack_redir_scard_context_ref failed with error %" PRId32 "",
             status);

  smartcard_trace_connect_a_call(call);
  return status;
}

LONG smartcard_unpack_connect_w_call(wStream* s, ConnectW_Call* call)
{
  LONG status = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  call->szReader = NULL;

  if (!smartcard_ndr_pointer_read(s, &index, NULL))
    return ERROR_INVALID_DATA;

  if ((status = smartcard_unpack_connect_common(s, &(call->Common), &index, &pbContextNdrPtr)))
  {
    WLog_ERR(TAG, "smartcard_unpack_connect_common failed with error %" PRId32 "", status);
    return status;
  }

  status = smartcard_ndr_read_w(s, &call->szReader, NDR_PTR_FULL);
  if (status != SCARD_S_SUCCESS)
    return status;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->Common.handles.hContext))))
    WLog_ERR(TAG, "smartcard_unpack_redir_scard_context_ref failed with error %" PRId32 "",
             status);

  smartcard_trace_connect_w_call(call);
  return status;
}

LONG smartcard_pack_connect_return(wStream* s, const Connect_Return* ret)
{
  LONG status = 0;
  DWORD index = 0;

  smartcard_trace_connect_return(ret);

  status = smartcard_pack_redir_scard_context(s, &ret->hContext, &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_pack_redir_scard_handle(s, &ret->hCard, &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_EnsureRemainingCapacity(s, 4))
    return SCARD_E_NO_MEMORY;

  Stream_Write_UINT32(s, ret->dwActiveProtocol); /* dwActiveProtocol (4 bytes) */
  status = smartcard_pack_redir_scard_context_ref(s, &ret->hContext);
  if (status != SCARD_S_SUCCESS)
    return status;
  return smartcard_pack_redir_scard_handle_ref(s, &(ret->hCard));
}

LONG smartcard_unpack_reconnect_call(wStream* s, Reconnect_Call* call)
{
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;
  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_unpack_redir_scard_handle(s, &(call->handles.hCard), &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 12))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->dwShareMode);          /* dwShareMode (4 bytes) */
  Stream_Read_UINT32(s, call->dwPreferredProtocols); /* dwPreferredProtocols (4 bytes) */
  Stream_Read_UINT32(s, call->dwInitialization);     /* dwInitialization (4 bytes) */

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
  {
    WLog_ERR(TAG, "smartcard_unpack_redir_scard_context_ref failed with error %" PRId32 "",
             status);
    return status;
  }

  if ((status = smartcard_unpack_redir_scard_handle_ref(s, &(call->handles.hCard))))
    WLog_ERR(TAG, "smartcard_unpack_redir_scard_handle_ref failed with error %" PRId32 "",
             status);

  smartcard_trace_reconnect_call(call);
  return status;
}

LONG smartcard_pack_reconnect_return(wStream* s, const Reconnect_Return* ret)
{
  smartcard_trace_reconnect_return(ret);

  if (!Stream_EnsureRemainingCapacity(s, 4))
    return SCARD_E_NO_MEMORY;
  Stream_Write_UINT32(s, ret->dwActiveProtocol); /* dwActiveProtocol (4 bytes) */
  return ret->ReturnCode;
}

LONG smartcard_unpack_hcard_and_disposition_call(wStream* s, HCardAndDisposition_Call* call,
                                                 const char* name)
{
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_unpack_redir_scard_handle(s, &(call->handles.hCard), &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->dwDisposition); /* dwDisposition (4 bytes) */

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if ((status = smartcard_unpack_redir_scard_handle_ref(s, &(call->handles.hCard))))
    return status;

  smartcard_trace_hcard_and_disposition_call(call, name);
  return status;
}

static void smartcard_trace_get_status_change_a_call(const GetStatusChangeA_Call* call)
{
  char* szEventState = NULL;
  char* szCurrentState = NULL;
  LPSCARD_READERSTATEA readerState = NULL;

  if (!WLog_IsLevelActive(WLog_Get(TAG), g_LogLevel))
    return;

  WLog_LVL(TAG, g_LogLevel, "GetStatusChangeA_Call {");
  smartcard_log_context(TAG, &call->handles.hContext);

  WLog_LVL(TAG, g_LogLevel, "dwTimeOut: 0x%08" PRIX32 " cReaders: %" PRIu32 "", call->dwTimeOut,
           call->cReaders);

  for (UINT32 index = 0; index < call->cReaders; index++)
  {
    readerState = &call->rgReaderStates[index];
    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: szReader: %s cbAtr: %" PRIu32 "", index,
             readerState->szReader, readerState->cbAtr);
    szCurrentState = SCardGetReaderStateString(readerState->dwCurrentState);
    szEventState = SCardGetReaderStateString(readerState->dwEventState);
    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: dwCurrentState: %s (0x%08" PRIX32 ")", index,
             szCurrentState, readerState->dwCurrentState);
    WLog_LVL(TAG, g_LogLevel, "\t[%" PRIu32 "]: dwEventState: %s (0x%08" PRIX32 ")", index,
             szEventState, readerState->dwEventState);
    free(szCurrentState);
    free(szEventState);
  }

  WLog_LVL(TAG, g_LogLevel, "}");
}

static LONG smartcard_unpack_reader_state_a(wStream* s, LPSCARD_READERSTATEA* ppcReaders,
                                            UINT32 cReaders, UINT32* ptrIndex)
{
  UINT32 len = 0;
  LONG status = SCARD_E_NO_MEMORY;
  LPSCARD_READERSTATEA rgReaderStates = NULL;
  BOOL* states = NULL;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
    return status;

  Stream_Read_UINT32(s, len);
  if (len != cReaders)
  {
    WLog_ERR(TAG, "Count mismatch when reading LPSCARD_READERSTATEA");
    return status;
  }
  rgReaderStates = (LPSCARD_READERSTATEA)calloc(cReaders, sizeof(SCARD_READERSTATEA));
  states = calloc(cReaders, sizeof(BOOL));
  if (!rgReaderStates || !states)
    goto fail;
  status = ERROR_INVALID_DATA;

  for (UINT32 index = 0; index < cReaders; index++)
  {
    UINT32 ptr = UINT32_MAX;
    LPSCARD_READERSTATEA readerState = &rgReaderStates[index];

    if (!Stream_CheckAndLogRequiredLength(TAG, s, 52))
      goto fail;

    if (!smartcard_ndr_pointer_read(s, ptrIndex, &ptr))
    {
      if (ptr != 0)
        goto fail;
    }
    /* Ignore NULL length strings */
    states[index] = ptr != 0;
    Stream_Read_UINT32(s, readerState->dwCurrentState); /* dwCurrentState (4 bytes) */
    Stream_Read_UINT32(s, readerState->dwEventState);   /* dwEventState (4 bytes) */
    Stream_Read_UINT32(s, readerState->cbAtr);          /* cbAtr (4 bytes) */
    Stream_Read(s, readerState->rgbAtr, 36);            /* rgbAtr [0..36] (36 bytes) */
  }

  for (UINT32 index = 0; index < cReaders; index++)
  {
    LPSCARD_READERSTATEA readerState = &rgReaderStates[index];

    /* Ignore empty strings */
    if (!states[index])
      continue;
    status = smartcard_ndr_read_a(s, &readerState->szReader, NDR_PTR_FULL);
    if (status != SCARD_S_SUCCESS)
      goto fail;
  }

  *ppcReaders = rgReaderStates;
  free(states);
  return SCARD_S_SUCCESS;
fail:
  if (rgReaderStates)
  {
    for (UINT32 index = 0; index < cReaders; index++)
    {
      LPSCARD_READERSTATEA readerState = &rgReaderStates[index];
      free(readerState->szReader);
    }
  }
  free(rgReaderStates);
  free(states);
  return status;
}

static LONG smartcard_unpack_reader_state_w(wStream* s, LPSCARD_READERSTATEW* ppcReaders,
                                            UINT32 cReaders, UINT32* ptrIndex)
{
  UINT32 len = 0;
  LONG status = SCARD_E_NO_MEMORY;
  LPSCARD_READERSTATEW rgReaderStates = NULL;
  BOOL* states = NULL;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
    return status;

  Stream_Read_UINT32(s, len);
  if (len != cReaders)
  {
    WLog_ERR(TAG, "Count mismatch when reading LPSCARD_READERSTATEW");
    return status;
  }

  rgReaderStates = (LPSCARD_READERSTATEW)calloc(cReaders, sizeof(SCARD_READERSTATEW));
  states = calloc(cReaders, sizeof(BOOL));

  if (!rgReaderStates || !states)
    goto fail;

  status = ERROR_INVALID_DATA;
  for (UINT32 index = 0; index < cReaders; index++)
  {
    UINT32 ptr = UINT32_MAX;
    LPSCARD_READERSTATEW readerState = &rgReaderStates[index];

    if (!Stream_CheckAndLogRequiredLength(TAG, s, 52))
      goto fail;

    if (!smartcard_ndr_pointer_read(s, ptrIndex, &ptr))
    {
      if (ptr != 0)
        goto fail;
    }
    /* Ignore NULL length strings */
    states[index] = ptr != 0;
    Stream_Read_UINT32(s, readerState->dwCurrentState); /* dwCurrentState (4 bytes) */
    Stream_Read_UINT32(s, readerState->dwEventState);   /* dwEventState (4 bytes) */
    Stream_Read_UINT32(s, readerState->cbAtr);          /* cbAtr (4 bytes) */
    Stream_Read(s, readerState->rgbAtr, 36);            /* rgbAtr [0..36] (36 bytes) */
  }

  for (UINT32 index = 0; index < cReaders; index++)
  {
    LPSCARD_READERSTATEW readerState = &rgReaderStates[index];

    /* Skip NULL pointers */
    if (!states[index])
      continue;

    status = smartcard_ndr_read_w(s, &readerState->szReader, NDR_PTR_FULL);
    if (status != SCARD_S_SUCCESS)
      goto fail;
  }

  *ppcReaders = rgReaderStates;
  free(states);
  return SCARD_S_SUCCESS;
fail:
  if (rgReaderStates)
  {
    for (UINT32 index = 0; index < cReaders; index++)
    {
      LPSCARD_READERSTATEW readerState = &rgReaderStates[index];
      free(readerState->szReader);
    }
  }
  free(rgReaderStates);
  free(states);
  return status;
}

/******************************************************************************/
/************************************* End Trace Functions ********************/
/******************************************************************************/

LONG smartcard_unpack_get_status_change_a_call(wStream* s, GetStatusChangeA_Call* call)
{
  UINT32 ndrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  call->rgReaderStates = NULL;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 12))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->dwTimeOut); /* dwTimeOut (4 bytes) */
  Stream_Read_UINT32(s, call->cReaders);  /* cReaders (4 bytes) */
  if (!smartcard_ndr_pointer_read(s, &index, &ndrPtr))
    return ERROR_INVALID_DATA;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if (ndrPtr)
  {
    status = smartcard_unpack_reader_state_a(s, &call->rgReaderStates, call->cReaders, &index);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  smartcard_trace_get_status_change_a_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_get_status_change_w_call(wStream* s, GetStatusChangeW_Call* call)
{
  UINT32 ndrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  call->rgReaderStates = NULL;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 12))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->dwTimeOut); /* dwTimeOut (4 bytes) */
  Stream_Read_UINT32(s, call->cReaders);  /* cReaders (4 bytes) */
  if (!smartcard_ndr_pointer_read(s, &index, &ndrPtr))
    return ERROR_INVALID_DATA;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if (ndrPtr)
  {
    status = smartcard_unpack_reader_state_w(s, &call->rgReaderStates, call->cReaders, &index);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  smartcard_trace_get_status_change_w_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_pack_get_status_change_return(wStream* s, const GetStatusChange_Return* ret,
                                             BOOL unicode)
{
  LONG status = 0;
  DWORD cReaders = ret->cReaders;
  UINT32 index = 0;

  smartcard_trace_get_status_change_return(ret, unicode);
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    cReaders = 0;
  if (cReaders == SCARD_AUTOALLOCATE)
    cReaders = 0;

  if (!Stream_EnsureRemainingCapacity(s, 4))
    return SCARD_E_NO_MEMORY;

  Stream_Write_UINT32(s, cReaders); /* cReaders (4 bytes) */
  if (!smartcard_ndr_pointer_write(s, &index, cReaders))
    return SCARD_E_NO_MEMORY;
  status = smartcard_ndr_write_state(s, ret->rgReaderStates, cReaders, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

LONG smartcard_unpack_state_call(wStream* s, State_Call* call)
{
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;
  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_unpack_redir_scard_handle(s, &(call->handles.hCard), &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_INT32(s, call->fpbAtrIsNULL); /* fpbAtrIsNULL (4 bytes) */
  Stream_Read_UINT32(s, call->cbAtrLen);    /* cbAtrLen (4 bytes) */

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if ((status = smartcard_unpack_redir_scard_handle_ref(s, &(call->handles.hCard))))
    return status;

  return status;
}

LONG smartcard_pack_state_return(wStream* s, const State_Return* ret)
{
  LONG status = 0;
  DWORD cbAtrLen = ret->cbAtrLen;
  UINT32 index = 0;

  smartcard_trace_state_return(ret);
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    cbAtrLen = 0;
  if (cbAtrLen == SCARD_AUTOALLOCATE)
    cbAtrLen = 0;

  Stream_Write_UINT32(s, ret->dwState);    /* dwState (4 bytes) */
  Stream_Write_UINT32(s, ret->dwProtocol); /* dwProtocol (4 bytes) */
  Stream_Write_UINT32(s, cbAtrLen);        /* cbAtrLen (4 bytes) */
  if (!smartcard_ndr_pointer_write(s, &index, cbAtrLen))
    return SCARD_E_NO_MEMORY;
  status = smartcard_ndr_write(s, ret->rgAtr, cbAtrLen, 1, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

LONG smartcard_unpack_status_call(wStream* s, Status_Call* call, BOOL unicode)
{
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_unpack_redir_scard_handle(s, &(call->handles.hCard), &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 12))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_INT32(s, call->fmszReaderNamesIsNULL); /* fmszReaderNamesIsNULL (4 bytes) */
  Stream_Read_UINT32(s, call->cchReaderLen);         /* cchReaderLen (4 bytes) */
  Stream_Read_UINT32(s, call->cbAtrLen);             /* cbAtrLen (4 bytes) */

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if ((status = smartcard_unpack_redir_scard_handle_ref(s, &(call->handles.hCard))))
    return status;

  smartcard_trace_status_call(call, unicode);
  return status;
}

LONG smartcard_pack_status_return(wStream* s, const Status_Return* ret, BOOL unicode)
{
  LONG status = 0;
  UINT32 index = 0;
  DWORD cBytes = ret->cBytes;

  smartcard_trace_status_return(ret, unicode);
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    cBytes = 0;
  if (cBytes == SCARD_AUTOALLOCATE)
    cBytes = 0;

  if (!Stream_EnsureRemainingCapacity(s, 4))
    return SCARD_F_INTERNAL_ERROR;

  Stream_Write_UINT32(s, cBytes); /* cBytes (4 bytes) */
  if (!smartcard_ndr_pointer_write(s, &index, cBytes))
    return SCARD_E_NO_MEMORY;

  if (!Stream_EnsureRemainingCapacity(s, 44))
    return SCARD_F_INTERNAL_ERROR;

  Stream_Write_UINT32(s, ret->dwState);            /* dwState (4 bytes) */
  Stream_Write_UINT32(s, ret->dwProtocol);         /* dwProtocol (4 bytes) */
  Stream_Write(s, ret->pbAtr, sizeof(ret->pbAtr)); /* pbAtr (32 bytes) */
  Stream_Write_UINT32(s, ret->cbAtrLen);           /* cbAtrLen (4 bytes) */
  status = smartcard_ndr_write(s, ret->mszReaderNames, cBytes, 1, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

LONG smartcard_unpack_get_attrib_call(wStream* s, GetAttrib_Call* call)
{
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_unpack_redir_scard_handle(s, &(call->handles.hCard), &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 12))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->dwAttrId);     /* dwAttrId (4 bytes) */
  Stream_Read_INT32(s, call->fpbAttrIsNULL); /* fpbAttrIsNULL (4 bytes) */
  Stream_Read_UINT32(s, call->cbAttrLen);    /* cbAttrLen (4 bytes) */

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if ((status = smartcard_unpack_redir_scard_handle_ref(s, &(call->handles.hCard))))
    return status;

  smartcard_trace_get_attrib_call(call);
  return status;
}

LONG smartcard_pack_get_attrib_return(wStream* s, const GetAttrib_Return* ret, DWORD dwAttrId,
                                      DWORD cbAttrCallLen)
{
  LONG status = 0;
  DWORD cbAttrLen = 0;
  UINT32 index = 0;
  smartcard_trace_get_attrib_return(ret, dwAttrId);

  if (!Stream_EnsureRemainingCapacity(s, 4))
    return SCARD_F_INTERNAL_ERROR;

  cbAttrLen = ret->cbAttrLen;
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    cbAttrLen = 0;
  if (cbAttrLen == SCARD_AUTOALLOCATE)
    cbAttrLen = 0;

  if (ret->pbAttr)
  {
    if (cbAttrCallLen < cbAttrLen)
      cbAttrLen = cbAttrCallLen;
  }
  Stream_Write_UINT32(s, cbAttrLen); /* cbAttrLen (4 bytes) */
  if (!smartcard_ndr_pointer_write(s, &index, cbAttrLen))
    return SCARD_E_NO_MEMORY;

  status = smartcard_ndr_write(s, ret->pbAttr, cbAttrLen, 1, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

LONG smartcard_unpack_control_call(wStream* s, Control_Call* call)
{
  UINT32 index = 0;
  UINT32 pvInBufferNdrPtr = 0;
  UINT32 pbContextNdrPtr = 0;

  call->pvInBuffer = NULL;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_unpack_redir_scard_handle(s, &(call->handles.hCard), &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 20))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->dwControlCode);                    /* dwControlCode (4 bytes) */
  Stream_Read_UINT32(s, call->cbInBufferSize);                   /* cbInBufferSize (4 bytes) */
  if (!smartcard_ndr_pointer_read(s, &index, &pvInBufferNdrPtr)) /* pvInBufferNdrPtr (4 bytes) */
    return ERROR_INVALID_DATA;
  Stream_Read_INT32(s, call->fpvOutBufferIsNULL); /* fpvOutBufferIsNULL (4 bytes) */
  Stream_Read_UINT32(s, call->cbOutBufferSize);   /* cbOutBufferSize (4 bytes) */

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if ((status = smartcard_unpack_redir_scard_handle_ref(s, &(call->handles.hCard))))
    return status;

  if (pvInBufferNdrPtr)
  {
    status = smartcard_ndr_read(s, &call->pvInBuffer, call->cbInBufferSize, 1, NDR_PTR_SIMPLE);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  smartcard_trace_control_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_pack_control_return(wStream* s, const Control_Return* ret)
{
  LONG status = 0;
  DWORD cbDataLen = ret->cbOutBufferSize;
  UINT32 index = 0;

  smartcard_trace_control_return(ret);
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    cbDataLen = 0;
  if (cbDataLen == SCARD_AUTOALLOCATE)
    cbDataLen = 0;

  if (!Stream_EnsureRemainingCapacity(s, 4))
    return SCARD_F_INTERNAL_ERROR;

  Stream_Write_UINT32(s, cbDataLen); /* cbOutBufferSize (4 bytes) */
  if (!smartcard_ndr_pointer_write(s, &index, cbDataLen))
    return SCARD_E_NO_MEMORY;

  status = smartcard_ndr_write(s, ret->pvOutBuffer, cbDataLen, 1, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

LONG smartcard_unpack_transmit_call(wStream* s, Transmit_Call* call)
{
  UINT32 length = 0;
  BYTE* pbExtraBytes = NULL;
  UINT32 pbExtraBytesNdrPtr = 0;
  UINT32 pbSendBufferNdrPtr = 0;
  UINT32 pioRecvPciNdrPtr = 0;
  SCardIO_Request ioSendPci;
  SCardIO_Request ioRecvPci;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  call->pioSendPci = NULL;
  call->pioRecvPci = NULL;
  call->pbSendBuffer = NULL;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_unpack_redir_scard_handle(s, &(call->handles.hCard), &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 32))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, ioSendPci.dwProtocol);   /* dwProtocol (4 bytes) */
  Stream_Read_UINT32(s, ioSendPci.cbExtraBytes); /* cbExtraBytes (4 bytes) */
  if (!smartcard_ndr_pointer_read(s, &index,
                                  &pbExtraBytesNdrPtr)) /* pbExtraBytesNdrPtr (4 bytes) */
    return ERROR_INVALID_DATA;

  Stream_Read_UINT32(s, call->cbSendLength); /* cbSendLength (4 bytes) */
  if (!smartcard_ndr_pointer_read(s, &index,
                                  &pbSendBufferNdrPtr)) /* pbSendBufferNdrPtr (4 bytes) */
    return ERROR_INVALID_DATA;

  if (!smartcard_ndr_pointer_read(s, &index, &pioRecvPciNdrPtr)) /* pioRecvPciNdrPtr (4 bytes) */
    return ERROR_INVALID_DATA;

  Stream_Read_INT32(s, call->fpbRecvBufferIsNULL); /* fpbRecvBufferIsNULL (4 bytes) */
  Stream_Read_UINT32(s, call->cbRecvLength);       /* cbRecvLength (4 bytes) */

  if (ioSendPci.cbExtraBytes > 1024)
  {
    WLog_WARN(TAG,
              "Transmit_Call ioSendPci.cbExtraBytes is out of bounds: %" PRIu32 " (max: 1024)",
              ioSendPci.cbExtraBytes);
    return STATUS_INVALID_PARAMETER;
  }

  if (call->cbSendLength > 66560)
  {
    WLog_WARN(TAG, "Transmit_Call cbSendLength is out of bounds: %" PRIu32 " (max: 66560)",
              ioSendPci.cbExtraBytes);
    return STATUS_INVALID_PARAMETER;
  }

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if ((status = smartcard_unpack_redir_scard_handle_ref(s, &(call->handles.hCard))))
    return status;

  if (ioSendPci.cbExtraBytes && !pbExtraBytesNdrPtr)
  {
    WLog_WARN(
        TAG, "Transmit_Call ioSendPci.cbExtraBytes is non-zero but pbExtraBytesNdrPtr is null");
    return STATUS_INVALID_PARAMETER;
  }

  if (pbExtraBytesNdrPtr)
  {
    // TODO: Use unified pointer reading
    if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
      return STATUS_BUFFER_TOO_SMALL;

    Stream_Read_UINT32(s, length); /* Length (4 bytes) */

    if (!Stream_CheckAndLogRequiredLength(TAG, s, ioSendPci.cbExtraBytes))
      return STATUS_BUFFER_TOO_SMALL;

    ioSendPci.pbExtraBytes = Stream_Pointer(s);
    call->pioSendPci =
        (LPSCARD_IO_REQUEST)malloc(sizeof(SCARD_IO_REQUEST) + ioSendPci.cbExtraBytes);

    if (!call->pioSendPci)
    {
      WLog_WARN(TAG, "Transmit_Call out of memory error (pioSendPci)");
      return STATUS_NO_MEMORY;
    }

    call->pioSendPci->dwProtocol = ioSendPci.dwProtocol;
    call->pioSendPci->cbPciLength = (DWORD)(ioSendPci.cbExtraBytes + sizeof(SCARD_IO_REQUEST));
    pbExtraBytes = &((BYTE*)call->pioSendPci)[sizeof(SCARD_IO_REQUEST)];
    Stream_Read(s, pbExtraBytes, ioSendPci.cbExtraBytes);
    smartcard_unpack_read_size_align(s, ioSendPci.cbExtraBytes, 4);
  }
  else
  {
    call->pioSendPci = (LPSCARD_IO_REQUEST)calloc(1, sizeof(SCARD_IO_REQUEST));

    if (!call->pioSendPci)
    {
      WLog_WARN(TAG, "Transmit_Call out of memory error (pioSendPci)");
      return STATUS_NO_MEMORY;
    }

    call->pioSendPci->dwProtocol = ioSendPci.dwProtocol;
    call->pioSendPci->cbPciLength = sizeof(SCARD_IO_REQUEST);
  }

  if (pbSendBufferNdrPtr)
  {
    status = smartcard_ndr_read(s, &call->pbSendBuffer, call->cbSendLength, 1, NDR_PTR_SIMPLE);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  if (pioRecvPciNdrPtr)
  {
    if (!Stream_CheckAndLogRequiredLength(TAG, s, 12))
      return STATUS_BUFFER_TOO_SMALL;

    Stream_Read_UINT32(s, ioRecvPci.dwProtocol);   /* dwProtocol (4 bytes) */
    Stream_Read_UINT32(s, ioRecvPci.cbExtraBytes); /* cbExtraBytes (4 bytes) */
    if (!smartcard_ndr_pointer_read(s, &index,
                                    &pbExtraBytesNdrPtr)) /* pbExtraBytesNdrPtr (4 bytes) */
      return ERROR_INVALID_DATA;

    if (ioRecvPci.cbExtraBytes && !pbExtraBytesNdrPtr)
    {
      WLog_WARN(
          TAG,
          "Transmit_Call ioRecvPci.cbExtraBytes is non-zero but pbExtraBytesNdrPtr is null");
      return STATUS_INVALID_PARAMETER;
    }

    if (pbExtraBytesNdrPtr)
    {
      // TODO: Unify ndr pointer reading
      if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
        return STATUS_BUFFER_TOO_SMALL;

      Stream_Read_UINT32(s, length); /* Length (4 bytes) */

      if (ioRecvPci.cbExtraBytes > 1024)
      {
        WLog_WARN(TAG,
                  "Transmit_Call ioRecvPci.cbExtraBytes is out of bounds: %" PRIu32
                  " (max: 1024)",
                  ioRecvPci.cbExtraBytes);
        return STATUS_INVALID_PARAMETER;
      }

      if (length != ioRecvPci.cbExtraBytes)
      {
        WLog_WARN(TAG,
                  "Transmit_Call unexpected length: Actual: %" PRIu32 ", Expected: %" PRIu32
                  " (ioRecvPci.cbExtraBytes)",
                  length, ioRecvPci.cbExtraBytes);
        return STATUS_INVALID_PARAMETER;
      }

      if (!Stream_CheckAndLogRequiredLength(TAG, s, ioRecvPci.cbExtraBytes))
        return STATUS_BUFFER_TOO_SMALL;

      ioRecvPci.pbExtraBytes = Stream_Pointer(s);
      call->pioRecvPci =
          (LPSCARD_IO_REQUEST)malloc(sizeof(SCARD_IO_REQUEST) + ioRecvPci.cbExtraBytes);

      if (!call->pioRecvPci)
      {
        WLog_WARN(TAG, "Transmit_Call out of memory error (pioRecvPci)");
        return STATUS_NO_MEMORY;
      }

      call->pioRecvPci->dwProtocol = ioRecvPci.dwProtocol;
      call->pioRecvPci->cbPciLength =
          (DWORD)(ioRecvPci.cbExtraBytes + sizeof(SCARD_IO_REQUEST));
      pbExtraBytes = &((BYTE*)call->pioRecvPci)[sizeof(SCARD_IO_REQUEST)];
      Stream_Read(s, pbExtraBytes, ioRecvPci.cbExtraBytes);
      smartcard_unpack_read_size_align(s, ioRecvPci.cbExtraBytes, 4);
    }
    else
    {
      call->pioRecvPci = (LPSCARD_IO_REQUEST)calloc(1, sizeof(SCARD_IO_REQUEST));

      if (!call->pioRecvPci)
      {
        WLog_WARN(TAG, "Transmit_Call out of memory error (pioRecvPci)");
        return STATUS_NO_MEMORY;
      }

      call->pioRecvPci->dwProtocol = ioRecvPci.dwProtocol;
      call->pioRecvPci->cbPciLength = sizeof(SCARD_IO_REQUEST);
    }
  }

  smartcard_trace_transmit_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_pack_transmit_return(wStream* s, const Transmit_Return* ret)
{
  LONG status = 0;
  UINT32 index = 0;
  LONG error = 0;
  UINT32 cbRecvLength = ret->cbRecvLength;
  UINT32 cbRecvPci = ret->pioRecvPci ? ret->pioRecvPci->cbPciLength : 0;

  smartcard_trace_transmit_return(ret);

  if (!ret->pbRecvBuffer)
    cbRecvLength = 0;

  if (!smartcard_ndr_pointer_write(s, &index, cbRecvPci))
    return SCARD_E_NO_MEMORY;
  if (!Stream_EnsureRemainingCapacity(s, 4))
    return SCARD_E_NO_MEMORY;
  Stream_Write_UINT32(s, cbRecvLength); /* cbRecvLength (4 bytes) */
  if (!smartcard_ndr_pointer_write(s, &index, cbRecvLength))
    return SCARD_E_NO_MEMORY;

  if (ret->pioRecvPci)
  {
    UINT32 cbExtraBytes = (UINT32)(ret->pioRecvPci->cbPciLength - sizeof(SCARD_IO_REQUEST));
    BYTE* pbExtraBytes = &((BYTE*)ret->pioRecvPci)[sizeof(SCARD_IO_REQUEST)];

    if (!Stream_EnsureRemainingCapacity(s, cbExtraBytes + 16))
    {
      WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
      return SCARD_F_INTERNAL_ERROR;
    }

    Stream_Write_UINT32(s, ret->pioRecvPci->dwProtocol); /* dwProtocol (4 bytes) */
    Stream_Write_UINT32(s, cbExtraBytes);                /* cbExtraBytes (4 bytes) */
    if (!smartcard_ndr_pointer_write(s, &index, cbExtraBytes))
      return SCARD_E_NO_MEMORY;
    error = smartcard_ndr_write(s, pbExtraBytes, cbExtraBytes, 1, NDR_PTR_SIMPLE);
    if (error)
      return error;
  }

  status = smartcard_ndr_write(s, ret->pbRecvBuffer, ret->cbRecvLength, 1, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

LONG smartcard_unpack_locate_cards_by_atr_a_call(wStream* s, LocateCardsByATRA_Call* call)
{
  UINT32 rgReaderStatesNdrPtr = 0;
  UINT32 rgAtrMasksNdrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  call->rgReaderStates = NULL;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 16))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->cAtrs);
  if (!smartcard_ndr_pointer_read(s, &index, &rgAtrMasksNdrPtr))
    return ERROR_INVALID_DATA;
  Stream_Read_UINT32(s, call->cReaders); /* cReaders (4 bytes) */
  if (!smartcard_ndr_pointer_read(s, &index, &rgReaderStatesNdrPtr))
    return ERROR_INVALID_DATA;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if ((rgAtrMasksNdrPtr && !call->cAtrs) || (!rgAtrMasksNdrPtr && call->cAtrs))
  {
    WLog_WARN(TAG,
              "LocateCardsByATRA_Call rgAtrMasksNdrPtr (0x%08" PRIX32
              ") and cAtrs (0x%08" PRIX32 ") inconsistency",
              rgAtrMasksNdrPtr, call->cAtrs);
    return STATUS_INVALID_PARAMETER;
  }

  if (rgAtrMasksNdrPtr)
  {
    status = smartcard_ndr_read_atrmask(s, &call->rgAtrMasks, call->cAtrs, NDR_PTR_SIMPLE);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  if (rgReaderStatesNdrPtr)
  {
    status = smartcard_unpack_reader_state_a(s, &call->rgReaderStates, call->cReaders, &index);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  smartcard_trace_locate_cards_by_atr_a_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_context_and_two_strings_a_call(wStream* s, ContextAndTwoStringA_Call* call)
{
  UINT32 sz1NdrPtr = 0;
  UINT32 sz2NdrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!smartcard_ndr_pointer_read(s, &index, &sz1NdrPtr))
    return ERROR_INVALID_DATA;
  if (!smartcard_ndr_pointer_read(s, &index, &sz2NdrPtr))
    return ERROR_INVALID_DATA;

  status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr, &call->handles.hContext);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (sz1NdrPtr)
  {
    status = smartcard_ndr_read_a(s, &call->sz1, NDR_PTR_FULL);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  if (sz2NdrPtr)
  {
    status = smartcard_ndr_read_a(s, &call->sz2, NDR_PTR_FULL);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  smartcard_trace_context_and_two_strings_a_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_context_and_two_strings_w_call(wStream* s, ContextAndTwoStringW_Call* call)
{
  UINT32 sz1NdrPtr = 0;
  UINT32 sz2NdrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!smartcard_ndr_pointer_read(s, &index, &sz1NdrPtr))
    return ERROR_INVALID_DATA;
  if (!smartcard_ndr_pointer_read(s, &index, &sz2NdrPtr))
    return ERROR_INVALID_DATA;

  status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr, &call->handles.hContext);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (sz1NdrPtr)
  {
    status = smartcard_ndr_read_w(s, &call->sz1, NDR_PTR_FULL);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  if (sz2NdrPtr)
  {
    status = smartcard_ndr_read_w(s, &call->sz2, NDR_PTR_FULL);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  smartcard_trace_context_and_two_strings_w_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_locate_cards_a_call(wStream* s, LocateCardsA_Call* call)
{
  UINT32 sz1NdrPtr = 0;
  UINT32 sz2NdrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 16))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->cBytes);
  if (!smartcard_ndr_pointer_read(s, &index, &sz1NdrPtr))
    return ERROR_INVALID_DATA;

  Stream_Read_UINT32(s, call->cReaders);
  if (!smartcard_ndr_pointer_read(s, &index, &sz2NdrPtr))
    return ERROR_INVALID_DATA;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if (sz1NdrPtr)
  {
    status =
        smartcard_ndr_read_fixed_string_a(s, &call->mszCards, call->cBytes, NDR_PTR_SIMPLE);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  if (sz2NdrPtr)
  {
    status = smartcard_unpack_reader_state_a(s, &call->rgReaderStates, call->cReaders, &index);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  smartcard_trace_locate_cards_a_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_locate_cards_w_call(wStream* s, LocateCardsW_Call* call)
{
  UINT32 sz1NdrPtr = 0;
  UINT32 sz2NdrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 16))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->cBytes);
  if (!smartcard_ndr_pointer_read(s, &index, &sz1NdrPtr))
    return ERROR_INVALID_DATA;

  Stream_Read_UINT32(s, call->cReaders);
  if (!smartcard_ndr_pointer_read(s, &index, &sz2NdrPtr))
    return ERROR_INVALID_DATA;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if (sz1NdrPtr)
  {
    status =
        smartcard_ndr_read_fixed_string_w(s, &call->mszCards, call->cBytes, NDR_PTR_SIMPLE);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  if (sz2NdrPtr)
  {
    status = smartcard_unpack_reader_state_w(s, &call->rgReaderStates, call->cReaders, &index);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  smartcard_trace_locate_cards_w_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_set_attrib_call(wStream* s, SetAttrib_Call* call)
{
  UINT32 index = 0;
  UINT32 ndrPtr = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;
  status = smartcard_unpack_redir_scard_handle(s, &(call->handles.hCard), &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 12))
    return STATUS_BUFFER_TOO_SMALL;
  Stream_Read_UINT32(s, call->dwAttrId);
  Stream_Read_UINT32(s, call->cbAttrLen);

  if (!smartcard_ndr_pointer_read(s, &index, &ndrPtr))
    return ERROR_INVALID_DATA;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if ((status = smartcard_unpack_redir_scard_handle_ref(s, &(call->handles.hCard))))
    return status;

  if (ndrPtr)
  {
    // TODO: call->cbAttrLen was larger than the pointer value.
    // TODO: Maybe need to refine the checks?
    status = smartcard_ndr_read(s, &call->pbAttr, 0, 1, NDR_PTR_SIMPLE);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  smartcard_trace_set_attrib_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_locate_cards_by_atr_w_call(wStream* s, LocateCardsByATRW_Call* call)
{
  UINT32 rgReaderStatesNdrPtr = 0;
  UINT32 rgAtrMasksNdrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  call->rgReaderStates = NULL;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 16))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->cAtrs);
  if (!smartcard_ndr_pointer_read(s, &index, &rgAtrMasksNdrPtr))
    return ERROR_INVALID_DATA;

  Stream_Read_UINT32(s, call->cReaders); /* cReaders (4 bytes) */
  if (!smartcard_ndr_pointer_read(s, &index, &rgReaderStatesNdrPtr))
    return ERROR_INVALID_DATA;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
    return status;

  if ((rgAtrMasksNdrPtr && !call->cAtrs) || (!rgAtrMasksNdrPtr && call->cAtrs))
  {
    WLog_WARN(TAG,
              "LocateCardsByATRW_Call rgAtrMasksNdrPtr (0x%08" PRIX32
              ") and cAtrs (0x%08" PRIX32 ") inconsistency",
              rgAtrMasksNdrPtr, call->cAtrs);
    return STATUS_INVALID_PARAMETER;
  }

  if (rgAtrMasksNdrPtr)
  {
    status = smartcard_ndr_read_atrmask(s, &call->rgAtrMasks, call->cAtrs, NDR_PTR_SIMPLE);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  if (rgReaderStatesNdrPtr)
  {
    status = smartcard_unpack_reader_state_w(s, &call->rgReaderStates, call->cReaders, &index);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  smartcard_trace_locate_cards_by_atr_w_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_read_cache_a_call(wStream* s, ReadCacheA_Call* call)
{
  UINT32 mszNdrPtr = 0;
  UINT32 contextNdrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  if (!smartcard_ndr_pointer_read(s, &index, &mszNdrPtr))
    return ERROR_INVALID_DATA;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->Common.handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!smartcard_ndr_pointer_read(s, &index, &contextNdrPtr))
    return ERROR_INVALID_DATA;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 12))
    return STATUS_BUFFER_TOO_SMALL;
  Stream_Read_UINT32(s, call->Common.FreshnessCounter);
  Stream_Read_INT32(s, call->Common.fPbDataIsNULL);
  Stream_Read_UINT32(s, call->Common.cbDataLen);

  call->szLookupName = NULL;
  if (mszNdrPtr)
  {
    status = smartcard_ndr_read_a(s, &call->szLookupName, NDR_PTR_FULL);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                    &call->Common.handles.hContext);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (contextNdrPtr)
  {
    status = smartcard_ndr_read_u(s, &call->Common.CardIdentifier);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  smartcard_trace_read_cache_a_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_read_cache_w_call(wStream* s, ReadCacheW_Call* call)
{
  UINT32 mszNdrPtr = 0;
  UINT32 contextNdrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  if (!smartcard_ndr_pointer_read(s, &index, &mszNdrPtr))
    return ERROR_INVALID_DATA;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->Common.handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!smartcard_ndr_pointer_read(s, &index, &contextNdrPtr))
    return ERROR_INVALID_DATA;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 12))
    return STATUS_BUFFER_TOO_SMALL;
  Stream_Read_UINT32(s, call->Common.FreshnessCounter);
  Stream_Read_INT32(s, call->Common.fPbDataIsNULL);
  Stream_Read_UINT32(s, call->Common.cbDataLen);

  call->szLookupName = NULL;
  if (mszNdrPtr)
  {
    status = smartcard_ndr_read_w(s, &call->szLookupName, NDR_PTR_FULL);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                    &call->Common.handles.hContext);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (contextNdrPtr)
  {
    status = smartcard_ndr_read_u(s, &call->Common.CardIdentifier);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  smartcard_trace_read_cache_w_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_write_cache_a_call(wStream* s, WriteCacheA_Call* call)
{
  UINT32 mszNdrPtr = 0;
  UINT32 contextNdrPtr = 0;
  UINT32 pbDataNdrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  if (!smartcard_ndr_pointer_read(s, &index, &mszNdrPtr))
    return ERROR_INVALID_DATA;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->Common.handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!smartcard_ndr_pointer_read(s, &index, &contextNdrPtr))
    return ERROR_INVALID_DATA;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
    return STATUS_BUFFER_TOO_SMALL;

  Stream_Read_UINT32(s, call->Common.FreshnessCounter);
  Stream_Read_UINT32(s, call->Common.cbDataLen);

  if (!smartcard_ndr_pointer_read(s, &index, &pbDataNdrPtr))
    return ERROR_INVALID_DATA;

  call->szLookupName = NULL;
  if (mszNdrPtr)
  {
    status = smartcard_ndr_read_a(s, &call->szLookupName, NDR_PTR_FULL);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                    &call->Common.handles.hContext);
  if (status != SCARD_S_SUCCESS)
    return status;

  call->Common.CardIdentifier = NULL;
  if (contextNdrPtr)
  {
    status = smartcard_ndr_read_u(s, &call->Common.CardIdentifier);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  call->Common.pbData = NULL;
  if (pbDataNdrPtr)
  {
    status =
        smartcard_ndr_read(s, &call->Common.pbData, call->Common.cbDataLen, 1, NDR_PTR_SIMPLE);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  smartcard_trace_write_cache_a_call(call);
  return SCARD_S_SUCCESS;
}

LONG smartcard_unpack_write_cache_w_call(wStream* s, WriteCacheW_Call* call)
{
  UINT32 mszNdrPtr = 0;
  UINT32 contextNdrPtr = 0;
  UINT32 pbDataNdrPtr = 0;
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  if (!smartcard_ndr_pointer_read(s, &index, &mszNdrPtr))
    return ERROR_INVALID_DATA;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->Common.handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  if (!smartcard_ndr_pointer_read(s, &index, &contextNdrPtr))
    return ERROR_INVALID_DATA;

  if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
    return STATUS_BUFFER_TOO_SMALL;
  Stream_Read_UINT32(s, call->Common.FreshnessCounter);
  Stream_Read_UINT32(s, call->Common.cbDataLen);

  if (!smartcard_ndr_pointer_read(s, &index, &pbDataNdrPtr))
    return ERROR_INVALID_DATA;

  call->szLookupName = NULL;
  if (mszNdrPtr)
  {
    status = smartcard_ndr_read_w(s, &call->szLookupName, NDR_PTR_FULL);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                    &call->Common.handles.hContext);
  if (status != SCARD_S_SUCCESS)
    return status;

  call->Common.CardIdentifier = NULL;
  if (contextNdrPtr)
  {
    status = smartcard_ndr_read_u(s, &call->Common.CardIdentifier);
    if (status != SCARD_S_SUCCESS)
      return status;
  }

  call->Common.pbData = NULL;
  if (pbDataNdrPtr)
  {
    status =
        smartcard_ndr_read(s, &call->Common.pbData, call->Common.cbDataLen, 1, NDR_PTR_SIMPLE);
    if (status != SCARD_S_SUCCESS)
      return status;
  }
  smartcard_trace_write_cache_w_call(call);
  return status;
}

LONG smartcard_unpack_get_transmit_count_call(wStream* s, GetTransmitCount_Call* call)
{
  UINT32 index = 0;
  UINT32 pbContextNdrPtr = 0;

  LONG status = smartcard_unpack_redir_scard_context(s, &(call->handles.hContext), &index,
                                                     &pbContextNdrPtr);
  if (status != SCARD_S_SUCCESS)
    return status;

  status = smartcard_unpack_redir_scard_handle(s, &(call->handles.hCard), &index);
  if (status != SCARD_S_SUCCESS)
    return status;

  if ((status = smartcard_unpack_redir_scard_context_ref(s, pbContextNdrPtr,
                                                         &(call->handles.hContext))))
  {
    WLog_ERR(TAG, "smartcard_unpack_redir_scard_context_ref failed with error %" PRId32 "",
             status);
    return status;
  }

  if ((status = smartcard_unpack_redir_scard_handle_ref(s, &(call->handles.hCard))))
    WLog_ERR(TAG, "smartcard_unpack_redir_scard_handle_ref failed with error %" PRId32 "",
             status);

  smartcard_trace_get_transmit_count_call(call);
  return status;
}

LONG smartcard_unpack_get_reader_icon_call(wStream* s, GetReaderIcon_Call* call)
{
  return smartcard_unpack_common_context_and_string_w(s, &call->handles.hContext,
                                                      &call->szReaderName);
}

LONG smartcard_unpack_context_and_string_a_call(wStream* s, ContextAndStringA_Call* call)
{
  return smartcard_unpack_common_context_and_string_a(s, &call->handles.hContext, &call->sz);
}

LONG smartcard_unpack_context_and_string_w_call(wStream* s, ContextAndStringW_Call* call)
{
  return smartcard_unpack_common_context_and_string_w(s, &call->handles.hContext, &call->sz);
}

LONG smartcard_unpack_get_device_type_id_call(wStream* s, GetDeviceTypeId_Call* call)
{
  return smartcard_unpack_common_context_and_string_w(s, &call->handles.hContext,
                                                      &call->szReaderName);
}

LONG smartcard_pack_device_type_id_return(wStream* s, const GetDeviceTypeId_Return* ret)
{
  smartcard_trace_device_type_id_return(ret);

  if (!Stream_EnsureRemainingCapacity(s, 4))
  {
    WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
    return SCARD_F_INTERNAL_ERROR;
  }

  Stream_Write_UINT32(s, ret->dwDeviceId); /* cBytes (4 bytes) */

  return ret->ReturnCode;
}

LONG smartcard_pack_locate_cards_return(wStream* s, const LocateCards_Return* ret)
{
  LONG status = 0;
  DWORD cbDataLen = ret->cReaders;
  UINT32 index = 0;

  smartcard_trace_locate_cards_return(ret);
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    cbDataLen = 0;
  if (cbDataLen == SCARD_AUTOALLOCATE)
    cbDataLen = 0;

  if (!Stream_EnsureRemainingCapacity(s, 4))
  {
    WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
    return SCARD_F_INTERNAL_ERROR;
  }

  Stream_Write_UINT32(s, cbDataLen); /* cBytes (4 cbDataLen) */
  if (!smartcard_ndr_pointer_write(s, &index, cbDataLen))
    return SCARD_E_NO_MEMORY;

  status = smartcard_ndr_write_state(s, ret->rgReaderStates, cbDataLen, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

LONG smartcard_pack_get_reader_icon_return(wStream* s, const GetReaderIcon_Return* ret)
{
  LONG status = 0;
  UINT32 index = 0;
  DWORD cbDataLen = ret->cbDataLen;
  smartcard_trace_get_reader_icon_return(ret);
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    cbDataLen = 0;
  if (cbDataLen == SCARD_AUTOALLOCATE)
    cbDataLen = 0;

  if (!Stream_EnsureRemainingCapacity(s, 4))
  {
    WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
    return SCARD_F_INTERNAL_ERROR;
  }

  Stream_Write_UINT32(s, cbDataLen); /* cBytes (4 cbDataLen) */
  if (!smartcard_ndr_pointer_write(s, &index, cbDataLen))
    return SCARD_E_NO_MEMORY;

  status = smartcard_ndr_write(s, ret->pbData, cbDataLen, 1, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

LONG smartcard_pack_get_transmit_count_return(wStream* s, const GetTransmitCount_Return* ret)
{
  smartcard_trace_get_transmit_count_return(ret);

  if (!Stream_EnsureRemainingCapacity(s, 4))
  {
    WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
    return SCARD_F_INTERNAL_ERROR;
  }

  Stream_Write_UINT32(s, ret->cTransmitCount); /* cBytes (4 cbDataLen) */

  return ret->ReturnCode;
}

LONG smartcard_pack_read_cache_return(wStream* s, const ReadCache_Return* ret)
{
  LONG status = 0;
  UINT32 index = 0;
  DWORD cbDataLen = ret->cbDataLen;
  smartcard_trace_read_cache_return(ret);
  if (ret->ReturnCode != SCARD_S_SUCCESS)
    cbDataLen = 0;

  if (cbDataLen == SCARD_AUTOALLOCATE)
    cbDataLen = 0;

  if (!Stream_EnsureRemainingCapacity(s, 4))
  {
    WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
    return SCARD_F_INTERNAL_ERROR;
  }

  Stream_Write_UINT32(s, cbDataLen); /* cBytes (4 cbDataLen) */
  if (!smartcard_ndr_pointer_write(s, &index, cbDataLen))
    return SCARD_E_NO_MEMORY;

  status = smartcard_ndr_write(s, ret->pbData, cbDataLen, 1, NDR_PTR_SIMPLE);
  if (status != SCARD_S_SUCCESS)
    return status;
  return ret->ReturnCode;
}

Coverage Report

Created: 2024-05-20 06:11