#include "replace.h"

#include "util_str_hex.h"

#include "lib/util/data_blob.h"

#include "librpc/gen_ndr/misc.h"

static bool hex_uint16(const char *in, uint16_t *out)

{

  uint8_t hi=0, lo=0;

  bool ok = hex_byte(in, &hi) && hex_byte(in+2, &lo);

  *out = (((uint16_t)hi)<<8) + lo;

  return ok;

}

bool hex_uint32(const char *in, uint32_t *out)

{

  uint16_t hi=0, lo=0;

  bool ok = hex_uint16(in, &hi) && hex_uint16(in+4, &lo);

  *out = (((uint32_t)hi)<<16) + lo;

  return ok;

}

bool parse_guid_string(const char *s, struct GUID *guid)

{

  bool ok;

  int i;

  /* "e12b56b6-0a95-11d1-adbb-00c04fd8d5cd"

                |     |    |    |    |

                |     |    |    |    \ node[6]

                |     |    |    \_____ clock_seq[2]

                |     |    \__________ time_hi_and_version

    |     \_______________ time_mid

    \_____________________ time_low

  */

  ok = hex_uint32(s, &guid->time_low);

  if (!ok || (s[8] != '-')) {

    return false;

  }

  s += 9;

  ok = hex_uint16(s, &guid->time_mid);

  if (!ok || (s[4] != '-')) {

    return false;

  }

  s += 5;

  ok = hex_uint16(s, &guid->time_hi_and_version);

  if (!ok || (s[4] != '-')) {

    return false;

  }

  s += 5;

  ok = hex_byte(s, &guid->clock_seq[0]) &&

    hex_byte(s+2, &guid->clock_seq[1]);

  if (!ok || (s[4] != '-')) {

    return false;

  }

  s += 5;

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

    ok = hex_byte(s, &guid->node[i]);

    if (!ok) {

      return false;

    }

    s += 2;

  }

  return true;

}