/*

   Unix SMB/CIFS implementation.

   Winbind client API

   Copyright (C) Gerald (Jerry) Carter 2007

   This library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 3 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Library General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

/* Required Headers */

#include "replace.h"

#include "libwbclient.h"

/* Convert a binary GUID to a character string */

_PUBLIC_

wbcErr wbcGuidToString(const struct wbcGuid *guid,

           char **guid_string)

{

  char *result;

  result = (char *)wbcAllocateMemory(37, 1, NULL);

  if (result == NULL) {

    return WBC_ERR_NO_MEMORY;

  }

  snprintf(result, 37,

     "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",

     guid->time_low, guid->time_mid,

     guid->time_hi_and_version,

     guid->clock_seq[0],

     guid->clock_seq[1],

     guid->node[0], guid->node[1],

     guid->node[2], guid->node[3],

     guid->node[4], guid->node[5]);

  *guid_string = result;

  return WBC_ERR_SUCCESS;

}

/* @brief Convert a character string to a binary GUID */

_PUBLIC_

wbcErr wbcStringToGuid(const char *str,

           struct wbcGuid *guid)

{

  unsigned int time_low;

  unsigned int time_mid, time_hi_and_version;

  unsigned int clock_seq[2];

  unsigned int node[6];

  int i;

  wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;

  if (!guid) {

    wbc_status = WBC_ERR_INVALID_PARAM;

    BAIL_ON_WBC_ERROR(wbc_status);

  }

  if (!str) {

    wbc_status = WBC_ERR_INVALID_PARAM;

    BAIL_ON_WBC_ERROR(wbc_status);

  }

  if (11 == sscanf(str, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",

       &time_low, &time_mid, &time_hi_and_version,

       &clock_seq[0], &clock_seq[1],

       &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {

          wbc_status = WBC_ERR_SUCCESS;

  } else if (11 == sscanf(str, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",

        &time_low, &time_mid, &time_hi_and_version,

        &clock_seq[0], &clock_seq[1],

        &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {

          wbc_status = WBC_ERR_SUCCESS;

  }

  BAIL_ON_WBC_ERROR(wbc_status);

  guid->time_low = time_low;

  guid->time_mid = time_mid;

  guid->time_hi_and_version = time_hi_and_version;

  guid->clock_seq[0] = clock_seq[0];

  guid->clock_seq[1] = clock_seq[1];

  for (i=0;i<6;i++) {

    guid->node[i] = node[i];

  }

  wbc_status = WBC_ERR_SUCCESS;

done:

  return wbc_status;

}