/src/bind9/lib/dns/rdata/generic/loc_29.c

Source
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* RFC1876 */

#ifndef RDATA_GENERIC_LOC_29_C
#define RDATA_GENERIC_LOC_29_C

#define RRTYPE_LOC_ATTRIBUTES (0)

static isc_result_t
loc_getdecimal(const char *str, unsigned long max, size_t precision, char units,
         unsigned long *valuep) {
  bool ok;
  char *e;
  size_t i;
  long tmp;
  unsigned long value;

  value = strtoul(str, &e, 10);
  if (*e != 0 && *e != '.' && *e != units) {
    return DNS_R_SYNTAX;
  }
  if (value > max) {
    return ISC_R_RANGE;
  }
  ok = e != str;
  if (*e == '.') {
    e++;
    for (i = 0; i < precision; i++) {
      if (*e == 0 || *e == units) {
        break;
      }
      if ((tmp = decvalue(*e++)) < 0) {
        return DNS_R_SYNTAX;
      }
      ok = true;
      value *= 10;
      value += tmp;
    }
    for (; i < precision; i++) {
      value *= 10;
    }
  } else {
    for (i = 0; i < precision; i++) {
      value *= 10;
    }
  }
  if (*e != 0 && *e == units) {
    e++;
  }
  if (!ok || *e != 0) {
    return DNS_R_SYNTAX;
  }
  *valuep = value;
  return ISC_R_SUCCESS;
}

static isc_result_t
loc_getprecision(const char *str, unsigned char *valuep) {
  unsigned long poweroften[8] = { 1,     10,     100, 1000,
          10000, 100000, 1000000, 10000000 };
  unsigned long m, cm;
  bool ok;
  char *e;
  size_t i;
  long tmp;
  int man;
  int exp;

  m = strtoul(str, &e, 10);
  if (*e != 0 && *e != '.' && *e != 'm') {
    return DNS_R_SYNTAX;
  }
  if (m > 90000000) {
    return ISC_R_RANGE;
  }
  cm = 0;
  ok = e != str;
  if (*e == '.') {
    e++;
    for (i = 0; i < 2; i++) {
      if (*e == 0 || *e == 'm') {
        break;
      }
      if ((tmp = decvalue(*e++)) < 0) {
        return DNS_R_SYNTAX;
      }
      ok = true;
      cm *= 10;
      cm += tmp;
    }
    for (; i < 2; i++) {
      cm *= 10;
    }
  }
  if (*e == 'm') {
    e++;
  }
  if (!ok || *e != 0) {
    return DNS_R_SYNTAX;
  }

  /*
   * We don't just multiply out as we will overflow.
   */
  if (m > 0) {
    for (exp = 0; exp < 7; exp++) {
      if (m < poweroften[exp + 1]) {
        break;
      }
    }
    man = m / poweroften[exp];
    exp += 2;
  } else if (cm >= 10) {
    man = cm / 10;
    exp = 1;
  } else {
    man = cm;
    exp = 0;
  }
  *valuep = (man << 4) + exp;
  return ISC_R_SUCCESS;
}

static isc_result_t
get_degrees(isc_lex_t *lexer, isc_token_t *token, unsigned long *d) {
  RETERR(isc_lex_getmastertoken(lexer, token, isc_tokentype_number,
              false));
  *d = token->value.as_ulong;

  return ISC_R_SUCCESS;
}

static isc_result_t
check_coordinate(unsigned long d, unsigned long m, unsigned long s,
     unsigned long maxd) {
  if (d > maxd || m > 59U) {
    return ISC_R_RANGE;
  }
  if (d == maxd && (m != 0 || s != 0)) {
    return ISC_R_RANGE;
  }

  return ISC_R_SUCCESS;
}

static isc_result_t
get_minutes(isc_lex_t *lexer, isc_token_t *token, unsigned long *m) {
  RETERR(isc_lex_getmastertoken(lexer, token, isc_tokentype_number,
              false));

  *m = token->value.as_ulong;

  return ISC_R_SUCCESS;
}

static isc_result_t
get_seconds(isc_lex_t *lexer, isc_token_t *token, unsigned long *s) {
  RETERR(isc_lex_getmastertoken(lexer, token, isc_tokentype_string,
              false));
  RETERR(loc_getdecimal(DNS_AS_STR(*token), 59, 3, '\0', s));

  return ISC_R_SUCCESS;
}

static isc_result_t
get_direction(isc_lex_t *lexer, isc_token_t *token, const char *directions,
        int *direction) {
  RETERR(isc_lex_getmastertoken(lexer, token, isc_tokentype_string,
              false));

  if (DNS_AS_STR(*token)[0] == directions[1] &&
      token->value.as_textregion.length == 1)
  {
    *direction = DNS_AS_STR(*token)[0];
    return ISC_R_SUCCESS;
  }

  if (DNS_AS_STR(*token)[0] == directions[0] &&
      token->value.as_textregion.length == 1)
  {
    *direction = DNS_AS_STR(*token)[0];
    return ISC_R_SUCCESS;
  }

  *direction = 0;
  isc_lex_ungettoken(lexer, token);
  return ISC_R_SUCCESS;
}

static isc_result_t
loc_getcoordinate(isc_lex_t *lexer, unsigned long *dp, unsigned long *mp,
      unsigned long *sp, const char *directions, int *directionp,
      unsigned long maxd) {
  isc_result_t result = ISC_R_SUCCESS;
  isc_token_t token;
  unsigned long d, m, s;
  int direction = 0;

  m = 0;
  s = 0;

  /*
   * Degrees.
   */
  RETERR(get_degrees(lexer, &token, &d));
  RETTOK(check_coordinate(d, m, s, maxd));

  /*
   * Minutes.
   */
  RETERR(get_direction(lexer, &token, directions, &direction));
  if (direction > 0) {
    goto done;
  }

  RETERR(get_minutes(lexer, &token, &m));
  RETTOK(check_coordinate(d, m, s, maxd));

  /*
   * Seconds.
   */
  RETERR(get_direction(lexer, &token, directions, &direction));
  if (direction > 0) {
    goto done;
  }

  result = get_seconds(lexer, &token, &s);
  if (result == ISC_R_RANGE || result == DNS_R_SYNTAX) {
    RETTOK(result);
  }
  RETERR(result);
  RETTOK(check_coordinate(d, m, s, maxd));

  /*
   * Direction.
   */
  RETERR(get_direction(lexer, &token, directions, &direction));
  if (direction == 0) {
    RETERR(DNS_R_SYNTAX);
  }
done:

  *directionp = direction;
  *dp = d;
  *mp = m;
  *sp = s;

  return ISC_R_SUCCESS;
}

static isc_result_t
loc_getlatitude(isc_lex_t *lexer, unsigned long *latitude) {
  unsigned long d1 = 0, m1 = 0, s1 = 0;
  int direction = 0;

  RETERR(loc_getcoordinate(lexer, &d1, &m1, &s1, "SN", &direction, 90U));

  switch (direction) {
  case 'N':
    *latitude = 0x80000000 + (d1 * 3600 + m1 * 60) * 1000 + s1;
    break;
  case 'S':
    *latitude = 0x80000000 - (d1 * 3600 + m1 * 60) * 1000 - s1;
    break;
  default:
    UNREACHABLE();
  }

  return ISC_R_SUCCESS;
}

static isc_result_t
loc_getlongitude(isc_lex_t *lexer, unsigned long *longitude) {
  unsigned long d2 = 0, m2 = 0, s2 = 0;
  int direction = 0;

  RETERR(loc_getcoordinate(lexer, &d2, &m2, &s2, "WE", &direction, 180U));

  switch (direction) {
  case 'E':
    *longitude = 0x80000000 + (d2 * 3600 + m2 * 60) * 1000 + s2;
    break;
  case 'W':
    *longitude = 0x80000000 - (d2 * 3600 + m2 * 60) * 1000 - s2;
    break;
  default:
    UNREACHABLE();
  }

  return ISC_R_SUCCESS;
}

static isc_result_t
loc_getaltitude(isc_lex_t *lexer, unsigned long *altitude) {
  isc_token_t token;
  unsigned long cm;
  const char *str;

  RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
              false));
  str = DNS_AS_STR(token);
  if (DNS_AS_STR(token)[0] == '-') {
    RETTOK(loc_getdecimal(str + 1, 100000, 2, 'm', &cm));
    if (cm > 10000000UL) {
      RETTOK(ISC_R_RANGE);
    }
    *altitude = 10000000 - cm;
  } else {
    RETTOK(loc_getdecimal(str, 42849672, 2, 'm', &cm));
    if (cm > 4284967295UL) {
      RETTOK(ISC_R_RANGE);
    }
    *altitude = 10000000 + cm;
  }

  return ISC_R_SUCCESS;
}

static isc_result_t
loc_getoptionalprecision(isc_lex_t *lexer, unsigned char *valuep) {
  isc_token_t token;

  RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
              true));
  if (token.type == isc_tokentype_eol || token.type == isc_tokentype_eof)
  {
    isc_lex_ungettoken(lexer, &token);
    return ISC_R_NOMORE;
  }
  RETTOK(loc_getprecision(DNS_AS_STR(token), valuep));

  return ISC_R_SUCCESS;
}

static isc_result_t
loc_getsize(isc_lex_t *lexer, unsigned char *sizep) {
  return loc_getoptionalprecision(lexer, sizep);
}

static isc_result_t
loc_gethorizontalprecision(isc_lex_t *lexer, unsigned char *hpp) {
  return loc_getoptionalprecision(lexer, hpp);
}

static isc_result_t
loc_getverticalprecision(isc_lex_t *lexer, unsigned char *vpp) {
  return loc_getoptionalprecision(lexer, vpp);
}

/* The LOC record is expressed in a master file in the following format:
 *
 * <owner> <TTL> <class> LOC ( d1 [m1 [s1]] {"N"|"S"} d2 [m2 [s2]]
 *                             {"E"|"W"} alt["m"] [siz["m"] [hp["m"]
 *                             [vp["m"]]]] )
 *
 * (The parentheses are used for multi-line data as specified in [RFC
 * 1035] section 5.1.)
 *
 * where:
 *
 *     d1:     [0 .. 90]            (degrees latitude)
 *     d2:     [0 .. 180]           (degrees longitude)
 *     m1, m2: [0 .. 59]            (minutes latitude/longitude)
 *     s1, s2: [0 .. 59.999]        (seconds latitude/longitude)
 *     alt:    [-100000.00 .. 42849672.95] BY .01 (altitude in meters)
 *     siz, hp, vp: [0 .. 90000000.00] (size/precision in meters)
 *
 * If omitted, minutes and seconds default to zero, size defaults to 1m,
 * horizontal precision defaults to 10000m, and vertical precision
 * defaults to 10m.  These defaults are chosen to represent typical
 * ZIP/postal code area sizes, since it is often easy to find
 * approximate geographical location by ZIP/postal code.
 */
static isc_result_t
fromtext_loc(ARGS_FROMTEXT) {
  isc_result_t result = ISC_R_SUCCESS;
  unsigned long latitude = 0;
  unsigned long longitude = 0;
  unsigned long altitude = 0;
  unsigned char size = 0x12; /* Default: 1.00m */
  unsigned char hp = 0x16;   /* Default: 10000.00 m */
  unsigned char vp = 0x13;   /* Default: 10.00 m */
  unsigned char version = 0;

  REQUIRE(type == dns_rdatatype_loc);

  UNUSED(type);
  UNUSED(rdclass);
  UNUSED(origin);
  UNUSED(options);
  UNUSED(callbacks);

  RETERR(loc_getlatitude(lexer, &latitude));
  RETERR(loc_getlongitude(lexer, &longitude));
  RETERR(loc_getaltitude(lexer, &altitude));
  result = loc_getsize(lexer, &size);
  if (result == ISC_R_NOMORE) {
    result = ISC_R_SUCCESS;
    goto encode;
  }
  RETERR(result);
  result = loc_gethorizontalprecision(lexer, &hp);
  if (result == ISC_R_NOMORE) {
    result = ISC_R_SUCCESS;
    goto encode;
  }
  RETERR(result);
  result = loc_getverticalprecision(lexer, &vp);
  if (result == ISC_R_NOMORE) {
    result = ISC_R_SUCCESS;
    goto encode;
  }
  RETERR(result);
encode:
  RETERR(mem_tobuffer(target, &version, 1));
  RETERR(mem_tobuffer(target, &size, 1));
  RETERR(mem_tobuffer(target, &hp, 1));
  RETERR(mem_tobuffer(target, &vp, 1));

  RETERR(uint32_tobuffer(latitude, target));
  RETERR(uint32_tobuffer(longitude, target));
  RETERR(uint32_tobuffer(altitude, target));

  return result;
}

static isc_result_t
totext_loc(ARGS_TOTEXT) {
  int d1, m1, s1, fs1;
  int d2, m2, s2, fs2;
  unsigned long latitude;
  unsigned long longitude;
  unsigned long altitude;
  bool north;
  bool east;
  bool below;
  isc_region_t sr;
  char sbuf[sizeof("90000000m")];
  char hbuf[sizeof("90000000m")];
  char vbuf[sizeof("90000000m")];
  /* "89 59 59.999 N 179 59 59.999 E " */
  /* "-42849672.95m 90000000m 90000000m 90000000m"; */
  char buf[8 * 6 + 12 * 1 + 2 * 10 + sizeof(sbuf) + sizeof(hbuf) +
     sizeof(vbuf)];
  unsigned char size, hp, vp;
  unsigned long poweroften[8] = { 1,     10,     100, 1000,
          10000, 100000, 1000000, 10000000 };

  UNUSED(tctx);

  REQUIRE(rdata->type == dns_rdatatype_loc);
  REQUIRE(rdata->length != 0);

  dns_rdata_toregion(rdata, &sr);

  if (sr.base[0] != 0) {
    return ISC_R_NOTIMPLEMENTED;
  }

  REQUIRE(rdata->length == 16);

  size = sr.base[1];
  INSIST((size & 0x0f) < 10 && (size >> 4) < 10);
  if ((size & 0x0f) > 1) {
    snprintf(sbuf, sizeof(sbuf), "%lum",
       (size >> 4) * poweroften[(size & 0x0f) - 2]);
  } else {
    snprintf(sbuf, sizeof(sbuf), "0.%02lum",
       (size >> 4) * poweroften[(size & 0x0f)]);
  }
  hp = sr.base[2];
  INSIST((hp & 0x0f) < 10 && (hp >> 4) < 10);
  if ((hp & 0x0f) > 1) {
    snprintf(hbuf, sizeof(hbuf), "%lum",
       (hp >> 4) * poweroften[(hp & 0x0f) - 2]);
  } else {
    snprintf(hbuf, sizeof(hbuf), "0.%02lum",
       (hp >> 4) * poweroften[(hp & 0x0f)]);
  }
  vp = sr.base[3];
  INSIST((vp & 0x0f) < 10 && (vp >> 4) < 10);
  if ((vp & 0x0f) > 1) {
    snprintf(vbuf, sizeof(vbuf), "%lum",
       (vp >> 4) * poweroften[(vp & 0x0f) - 2]);
  } else {
    snprintf(vbuf, sizeof(vbuf), "0.%02lum",
       (vp >> 4) * poweroften[(vp & 0x0f)]);
  }
  isc_region_consume(&sr, 4);

  latitude = uint32_fromregion(&sr);
  isc_region_consume(&sr, 4);
  if (latitude >= 0x80000000) {
    north = true;
    latitude -= 0x80000000;
  } else {
    north = false;
    latitude = 0x80000000 - latitude;
  }
  fs1 = (int)(latitude % 1000);
  latitude /= 1000;
  s1 = (int)(latitude % 60);
  latitude /= 60;
  m1 = (int)(latitude % 60);
  latitude /= 60;
  d1 = (int)latitude;
  INSIST(latitude <= 90U);

  longitude = uint32_fromregion(&sr);
  isc_region_consume(&sr, 4);
  if (longitude >= 0x80000000) {
    east = true;
    longitude -= 0x80000000;
  } else {
    east = false;
    longitude = 0x80000000 - longitude;
  }
  fs2 = (int)(longitude % 1000);
  longitude /= 1000;
  s2 = (int)(longitude % 60);
  longitude /= 60;
  m2 = (int)(longitude % 60);
  longitude /= 60;
  d2 = (int)longitude;
  INSIST(longitude <= 180U);

  altitude = uint32_fromregion(&sr);
  isc_region_consume(&sr, 4);
  if (altitude < 10000000U) {
    below = true;
    altitude = 10000000 - altitude;
  } else {
    below = false;
    altitude -= 10000000;
  }

  snprintf(buf, sizeof(buf),
     "%d %d %d.%03d %s %d %d %d.%03d %s %s%lu.%02lum %s %s %s", d1,
     m1, s1, fs1, north ? "N" : "S", d2, m2, s2, fs2,
     east ? "E" : "W", below ? "-" : "", altitude / 100,
     altitude % 100, sbuf, hbuf, vbuf);

  return str_totext(buf, target);
}

static isc_result_t
fromwire_loc(ARGS_FROMWIRE) {
  isc_region_t sr;
  unsigned char c;
  unsigned long latitude;
  unsigned long longitude;

  REQUIRE(type == dns_rdatatype_loc);

  UNUSED(type);
  UNUSED(rdclass);
  UNUSED(dctx);

  isc_buffer_activeregion(source, &sr);
  if (sr.length < 1) {
    return ISC_R_UNEXPECTEDEND;
  }
  if (sr.base[0] != 0) {
    /* Treat as unknown. */
    isc_buffer_forward(source, sr.length);
    return mem_tobuffer(target, sr.base, sr.length);
  }
  if (sr.length < 16) {
    return ISC_R_UNEXPECTEDEND;
  }

  /*
   * Size.
   */
  c = sr.base[1];
  if (c != 0) {
    if ((c & 0xf) > 9 || ((c >> 4) & 0xf) > 9 ||
        ((c >> 4) & 0xf) == 0)
    {
      return ISC_R_RANGE;

      /*
       * Horizontal precision.
       */
    }
  }

  /*
   * Horizontal precision.
   */
  c = sr.base[2];
  if (c != 0) {
    if ((c & 0xf) > 9 || ((c >> 4) & 0xf) > 9 ||
        ((c >> 4) & 0xf) == 0)
    {
      return ISC_R_RANGE;

      /*
       * Vertical precision.
       */
    }
  }

  /*
   * Vertical precision.
   */
  c = sr.base[3];
  if (c != 0) {
    if ((c & 0xf) > 9 || ((c >> 4) & 0xf) > 9 ||
        ((c >> 4) & 0xf) == 0)
    {
      return ISC_R_RANGE;
    }
  }
  isc_region_consume(&sr, 4);

  /*
   * Latitude.
   */
  latitude = uint32_fromregion(&sr);
  if (latitude < (0x80000000UL - 90 * 3600000) ||
      latitude > (0x80000000UL + 90 * 3600000))
  {
    return ISC_R_RANGE;
  }
  isc_region_consume(&sr, 4);

  /*
   * Longitude.
   */
  longitude = uint32_fromregion(&sr);
  if (longitude < (0x80000000UL - 180 * 3600000) ||
      longitude > (0x80000000UL + 180 * 3600000))
  {
    return ISC_R_RANGE;
  }

  /*
   * Altitude.
   * All values possible.
   */

  isc_buffer_activeregion(source, &sr);
  isc_buffer_forward(source, 16);
  return mem_tobuffer(target, sr.base, 16);
}

static isc_result_t
towire_loc(ARGS_TOWIRE) {
  UNUSED(cctx);

  REQUIRE(rdata->type == dns_rdatatype_loc);
  REQUIRE(rdata->length != 0);

  return mem_tobuffer(target, rdata->data, rdata->length);
}

static int
compare_loc(ARGS_COMPARE) {
  isc_region_t r1;
  isc_region_t r2;

  REQUIRE(rdata1->type == rdata2->type);
  REQUIRE(rdata1->rdclass == rdata2->rdclass);
  REQUIRE(rdata1->type == dns_rdatatype_loc);
  REQUIRE(rdata1->length != 0);
  REQUIRE(rdata2->length != 0);

  dns_rdata_toregion(rdata1, &r1);
  dns_rdata_toregion(rdata2, &r2);
  return isc_region_compare(&r1, &r2);
}

static isc_result_t
fromstruct_loc(ARGS_FROMSTRUCT) {
  dns_rdata_loc_t *loc = source;
  uint8_t c;

  REQUIRE(type == dns_rdatatype_loc);
  REQUIRE(loc != NULL);
  REQUIRE(loc->common.rdtype == type);
  REQUIRE(loc->common.rdclass == rdclass);

  UNUSED(type);
  UNUSED(rdclass);

  if (loc->v.v0.version != 0) {
    return ISC_R_NOTIMPLEMENTED;
  }
  RETERR(uint8_tobuffer(loc->v.v0.version, target));

  c = loc->v.v0.size;
  if ((c & 0xf) > 9 || ((c >> 4) & 0xf) > 9 || ((c >> 4) & 0xf) == 0) {
    return ISC_R_RANGE;
  }
  RETERR(uint8_tobuffer(loc->v.v0.size, target));

  c = loc->v.v0.horizontal;
  if ((c & 0xf) > 9 || ((c >> 4) & 0xf) > 9 || ((c >> 4) & 0xf) == 0) {
    return ISC_R_RANGE;
  }
  RETERR(uint8_tobuffer(loc->v.v0.horizontal, target));

  c = loc->v.v0.vertical;
  if ((c & 0xf) > 9 || ((c >> 4) & 0xf) > 9 || ((c >> 4) & 0xf) == 0) {
    return ISC_R_RANGE;
  }
  RETERR(uint8_tobuffer(loc->v.v0.vertical, target));

  if (loc->v.v0.latitude < (0x80000000UL - 90 * 3600000) ||
      loc->v.v0.latitude > (0x80000000UL + 90 * 3600000))
  {
    return ISC_R_RANGE;
  }
  RETERR(uint32_tobuffer(loc->v.v0.latitude, target));

  if (loc->v.v0.longitude < (0x80000000UL - 180 * 3600000) ||
      loc->v.v0.longitude > (0x80000000UL + 180 * 3600000))
  {
    return ISC_R_RANGE;
  }
  RETERR(uint32_tobuffer(loc->v.v0.longitude, target));
  return uint32_tobuffer(loc->v.v0.altitude, target);
}

static isc_result_t
tostruct_loc(ARGS_TOSTRUCT) {
  dns_rdata_loc_t *loc = target;
  isc_region_t r;
  uint8_t version;

  REQUIRE(rdata->type == dns_rdatatype_loc);
  REQUIRE(loc != NULL);
  REQUIRE(rdata->length != 0);

  UNUSED(mctx);

  dns_rdata_toregion(rdata, &r);
  version = uint8_fromregion(&r);
  if (version != 0) {
    return ISC_R_NOTIMPLEMENTED;
  }

  DNS_RDATACOMMON_INIT(loc, rdata->type, rdata->rdclass);

  loc->v.v0.version = version;
  isc_region_consume(&r, 1);
  loc->v.v0.size = uint8_fromregion(&r);
  isc_region_consume(&r, 1);
  loc->v.v0.horizontal = uint8_fromregion(&r);
  isc_region_consume(&r, 1);
  loc->v.v0.vertical = uint8_fromregion(&r);
  isc_region_consume(&r, 1);
  loc->v.v0.latitude = uint32_fromregion(&r);
  isc_region_consume(&r, 4);
  loc->v.v0.longitude = uint32_fromregion(&r);
  isc_region_consume(&r, 4);
  loc->v.v0.altitude = uint32_fromregion(&r);
  isc_region_consume(&r, 4);
  return ISC_R_SUCCESS;
}

static void
freestruct_loc(ARGS_FREESTRUCT) {
  dns_rdata_loc_t *loc = source;

  REQUIRE(loc != NULL);
  REQUIRE(loc->common.rdtype == dns_rdatatype_loc);

  UNUSED(source);
  UNUSED(loc);
}

static isc_result_t
additionaldata_loc(ARGS_ADDLDATA) {
  REQUIRE(rdata->type == dns_rdatatype_loc);

  UNUSED(rdata);
  UNUSED(owner);
  UNUSED(add);
  UNUSED(arg);

  return ISC_R_SUCCESS;
}

static isc_result_t
digest_loc(ARGS_DIGEST) {
  isc_region_t r;

  REQUIRE(rdata->type == dns_rdatatype_loc);

  dns_rdata_toregion(rdata, &r);

  return (digest)(arg, &r);
}

static bool
checkowner_loc(ARGS_CHECKOWNER) {
  REQUIRE(type == dns_rdatatype_loc);

  UNUSED(name);
  UNUSED(type);
  UNUSED(rdclass);
  UNUSED(wildcard);

  return true;
}

static bool
checknames_loc(ARGS_CHECKNAMES) {
  REQUIRE(rdata->type == dns_rdatatype_loc);

  UNUSED(rdata);
  UNUSED(owner);
  UNUSED(bad);

  return true;
}

static int
casecompare_loc(ARGS_COMPARE) {
  return compare_loc(rdata1, rdata2);
}

#endif /* RDATA_GENERIC_LOC_29_C */

Coverage Report

Created: 2026-09-06 06:17