예제 #1
0
파일: geoip.c 프로젝트: fatline/Tor-Puzzles
/** Add an entry to the GeoIP table, parsing it from <b>line</b>.  The
 * format is as for geoip_load_file(). */
/*private*/ int
geoip_parse_entry(const char *line)
{
  unsigned int low, high;
  char b[3];
  if (!geoip_countries)
    init_geoip_countries();
  if (!geoip_entries)
    geoip_entries = smartlist_new();

  while (TOR_ISSPACE(*line))
    ++line;
  if (*line == '#')
    return 0;
  if (tor_sscanf(line,"%u,%u,%2s", &low, &high, b) == 3) {
    geoip_add_entry(low, high, b);
    return 0;
  } else if (tor_sscanf(line,"\"%u\",\"%u\",\"%2s\",", &low, &high, b) == 3) {
    geoip_add_entry(low, high, b);
    return 0;
  } else {
    log_warn(LD_GENERAL, "Unable to parse line from GEOIP file: %s",
             escaped(line));
    return -1;
  }
}
예제 #2
0
파일: geoip.c 프로젝트: majek/tor
/** Add an entry to the GeoIP table indicated by <b>family</b>,
 * parsing it from <b>line</b>. The format is as for geoip_load_file(). */
/*private*/ int
geoip_parse_entry(const char *line, sa_family_t family)
{
  tor_addr_t low_addr, high_addr;
  char c[3];
  char *country = NULL;

  if (!geoip_countries)
    init_geoip_countries();
  if (family == AF_INET) {
    if (!geoip_ipv4_entries)
      geoip_ipv4_entries = smartlist_new();
  } else if (family == AF_INET6) {
    if (!geoip_ipv6_entries)
      geoip_ipv6_entries = smartlist_new();
  } else {
    log_warn(LD_GENERAL, "Unsupported family: %d", family);
    return -1;
  }

  while (TOR_ISSPACE(*line))
    ++line;
  if (*line == '#')
    return 0;

  if (family == AF_INET) {
    unsigned int low, high;
    if (tor_sscanf(line,"%u,%u,%2s", &low, &high, c) == 3 ||
        tor_sscanf(line,"\"%u\",\"%u\",\"%2s\",", &low, &high, c) == 3) {
      tor_addr_from_ipv4h(&low_addr, low);
      tor_addr_from_ipv4h(&high_addr, high);
    } else
      goto fail;
    country = c;
  } else {                      /* AF_INET6 */
    char buf[512];
    char *low_str, *high_str;
    struct in6_addr low, high;
    char *strtok_state;
    strlcpy(buf, line, sizeof(buf));
    low_str = tor_strtok_r(buf, ",", &strtok_state);
    if (!low_str)
      goto fail;
    high_str = tor_strtok_r(NULL, ",", &strtok_state);
    if (!high_str)
      goto fail;
    country = tor_strtok_r(NULL, "\n", &strtok_state);
    if (!country)
      goto fail;
    if (strlen(country) != 2)
      goto fail;
    if (tor_inet_pton(AF_INET6, low_str, &low) <= 0)
      goto fail;
    tor_addr_from_in6(&low_addr, &low);
    if (tor_inet_pton(AF_INET6, high_str, &high) <= 0)
      goto fail;
    tor_addr_from_in6(&high_addr, &high);
  }
  geoip_add_entry(&low_addr, &high_addr, country);
  return 0;

  fail:
  log_warn(LD_GENERAL, "Unable to parse line from GEOIP %s file: %s",
           family == AF_INET ? "IPv4" : "IPv6", escaped(line));
  return -1;
}