/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 *

 * String Utils - Helper functions converting something to string

 *

 * Copyright 2022 Armin Novak <armin.novak@thincast.com>

 * Copyright 2022 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 <errno.h>

#include <freerdp/utils/string.h>

#include <freerdp/settings.h>

const char* rdp_redirection_flags_to_string(UINT32 flags, char* buffer, size_t size)

{

  struct map_t

  {

    UINT32 flag;

    const char* name;

  };

  const struct map_t map[] = {

    { LB_TARGET_NET_ADDRESS, "LB_TARGET_NET_ADDRESS" },

    { LB_LOAD_BALANCE_INFO, "LB_LOAD_BALANCE_INFO" },

    { LB_USERNAME, "LB_USERNAME" },

    { LB_DOMAIN, "LB_DOMAIN" },

    { LB_PASSWORD, "LB_PASSWORD" },

    { LB_DONTSTOREUSERNAME, "LB_DONTSTOREUSERNAME" },

    { LB_SMARTCARD_LOGON, "LB_SMARTCARD_LOGON" },

    { LB_NOREDIRECT, "LB_NOREDIRECT" },

    { LB_TARGET_FQDN, "LB_TARGET_FQDN" },

    { LB_TARGET_NETBIOS_NAME, "LB_TARGET_NETBIOS_NAME" },

    { LB_TARGET_NET_ADDRESSES, "LB_TARGET_NET_ADDRESSES" },

    { LB_CLIENT_TSV_URL, "LB_CLIENT_TSV_URL" },

    { LB_SERVER_TSV_CAPABLE, "LB_SERVER_TSV_CAPABLE" },

    { LB_PASSWORD_IS_PK_ENCRYPTED, "LB_PASSWORD_IS_PK_ENCRYPTED" },

    { LB_REDIRECTION_GUID, "LB_REDIRECTION_GUID" },

    { LB_TARGET_CERTIFICATE, "LB_TARGET_CERTIFICATE" },

  };

  for (size_t x = 0; x < ARRAYSIZE(map); x++)

  {

    const struct map_t* cur = &map[x];

    if (flags & cur->flag)

    {

      if (!winpr_str_append(cur->name, buffer, size, "|"))

        return NULL;

    }

  }

  return buffer;

}

const char* rdp_cluster_info_flags_to_string(UINT32 flags, char* buffer, size_t size)

{

  const UINT32 version = (flags & ServerSessionRedirectionVersionMask) >> 2;

  if (flags & REDIRECTION_SUPPORTED)

    winpr_str_append("REDIRECTION_SUPPORTED", buffer, size, "|");

  if (flags & REDIRECTED_SESSIONID_FIELD_VALID)

    winpr_str_append("REDIRECTED_SESSIONID_FIELD_VALID", buffer, size, "|");

  if (flags & REDIRECTED_SMARTCARD)

    winpr_str_append("REDIRECTED_SMARTCARD", buffer, size, "|");

  const char* str = NULL;

  switch (version)

  {

    case REDIRECTION_VERSION1:

      str = "REDIRECTION_VERSION1";

      break;

    case REDIRECTION_VERSION2:

      str = "REDIRECTION_VERSION2";

      break;

    case REDIRECTION_VERSION3:

      str = "REDIRECTION_VERSION3";

      break;

    case REDIRECTION_VERSION4:

      str = "REDIRECTION_VERSION4";

      break;

    case REDIRECTION_VERSION5:

      str = "REDIRECTION_VERSION5";

      break;

    case REDIRECTION_VERSION6:

      str = "REDIRECTION_VERSION6";

      break;

    default:

      str = "REDIRECTION_VERSION_UNKNOWN";

      break;

  }

  winpr_str_append(str, buffer, size, "|");

  {

    char msg[32] = { 0 };

    (void)_snprintf(msg, sizeof(msg), "[0x%08" PRIx32 "]", flags);

    winpr_str_append(msg, buffer, size, "");

  }

  return buffer;

}

BOOL freerdp_extract_key_value(const char* str, UINT32* pkey, UINT32* pvalue)

{

  if (!str || !pkey || !pvalue)

    return FALSE;

  char* end1 = NULL;

  errno = 0;

  unsigned long key = strtoul(str, &end1, 0);

  if ((errno != 0) || !end1 || (*end1 != '=') || (key > UINT32_MAX))

    return FALSE;

  errno = 0;

  unsigned long val = strtoul(&end1[1], NULL, 0);

  if ((errno != 0) || (val > UINT32_MAX))

    return FALSE;

  *pkey = (UINT32)key;

  *pvalue = (UINT32)val;

  return TRUE;

}