Function validate_hdr_host

src/proxy/hdrs/HTTP.cc:1210–1243

}

ParseResult
validate_hdr_host(HTTPHdrImpl *hh)
{
  ParseResult ret        = PARSE_RESULT_DONE;
  MIMEField  *host_field = mime_hdr_field_find(hh->m_fields_impl, MIME_FIELD_HOST, MIME_LEN_HOST);
  if (host_field) {
    if (host_field->has_dups()) {
      ret = PARSE_RESULT_ERROR; // can't have more than 1 host field.
    } else {
      auto             host{host_field->value_get()};
      std::string_view addr, port, rest;
      if (0 == ats_ip_parse(host, &addr, &port, &rest)) {
        if (!port.empty()) {
          if (port.size() > 5) {
            return PARSE_RESULT_ERROR;
          }
          int port_i = ink_atoi(port.data(), port.size());
          if (port_i >= 65536 || port_i <= 0) {
            return PARSE_RESULT_ERROR;
          }
        }
        if (!validate_host_name(addr)) {
          return PARSE_RESULT_ERROR;
        }
        if (PARSE_RESULT_DONE == ret && !std::all_of(rest.begin(), rest.end(), &ParseRules::is_ws)) {
          return PARSE_RESULT_ERROR;
        }
      } else {
        ret = PARSE_RESULT_ERROR;
      }
    }
  }
  return ret;
}

ParseResult
validate_hdr_content_length(HdrHeap *heap, HTTPHdrImpl *hh)