function validate_custom_records($data_orig = array()) { log_debug("domain", "Executing validate_custom_records(array_data)"); if (!isset($this->data)) { // we need the domain details if we don't already have them $this->load_data(); } $data = array(); $data_tmp = array(); if (!empty($data_orig)) { /* Supplied Array Data - this data has some amount of pre-processing done, having already run through the javascript validation. */ log_debug("domain", "Using supplied array data in \$data_orig"); /* Fetch Data */ $data["custom"]["num_records"] = count(array_keys($data_orig)); for ($i = 0; $i < $data["custom"]["num_records"]; $i++) { $data_tmp[$i]["id"] = @security_script_input_predefined("int", $data_orig[$i]["id"], 1); $data_tmp[$i]["type"] = @security_script_input_predefined("any", $data_orig[$i]["type"], 1); $data_tmp[$i]["ttl"] = @security_script_input_predefined("int", $data_orig[$i]["ttl"], 1); $data_tmp[$i]["name"] = @security_script_input_predefined("any", $data_orig[$i]["name"], 1); $data_tmp[$i]["prio"] = @security_script_input_predefined("int", $data_orig[$i]["prio"], 0); $data_tmp[$i]["content"] = @security_script_input_predefined("any", $data_orig[$i]["content"], 1); $data_tmp[$i]["reverse_ptr"] = @security_script_input_predefined("checkbox", $data_orig[$i]["reverse_ptr"], 1); $data_tmp[$i]["reverse_ptr_orig"] = @security_script_input_predefined("checkbox", $data_orig[$i]["reverse_ptr_orig"], 1); $data_tmp[$i]["delete_undo"] = @security_script_input_predefined("any", $data_orig[$i]["delete_undo"], 1); if (empty($data_tmp[$i]["mode"]) || $data_tmp[$i]["mode"] != "delete" && $data_tmp[$i]["mode"] != "update") { // mode undetermined, run check if ($data_tmp[$i]["id"] && $data_tmp[$i]["delete_undo"] == "true") { $data_tmp[$i]["mode"] = "delete"; } else { if (!empty($data_tmp[$i]["content"]) && $data_tmp[$i]["delete_undo"] == "false") { $data_tmp[$i]["mode"] = "update"; } } } } } elseif (isset($_POST['record_custom_page'])) { /* Fetch data from POST - easiest way, since we can take advantage of smart error handling functions built in. */ // fetch number of records $data["custom"]["num_records"] = @security_form_input_predefined("int", "num_records_custom", 0, ""); for ($i = 0; $i < $data["custom"]["num_records"]; $i++) { /* Fetch Data */ $data_tmp[$i]["id"] = @security_form_input_predefined("int", "record_custom_" . $i . "_id", 0, ""); $data_tmp[$i]["type"] = @security_form_input_predefined("any", "record_custom_" . $i . "_type", 0, ""); $data_tmp[$i]["ttl"] = @security_form_input_predefined("int", "record_custom_" . $i . "_ttl", 0, ""); $data_tmp[$i]["name"] = @security_form_input_predefined("any", "record_custom_" . $i . "_name", 0, ""); $data_tmp[$i]["content"] = @security_form_input_predefined("any", "record_custom_" . $i . "_content", 0, ""); $data_tmp[$i]["reverse_ptr"] = @security_form_input_predefined("checkbox", "record_custom_" . $i . "_reverse_ptr", 0, ""); $data_tmp[$i]["reverse_ptr_orig"] = @security_form_input_predefined("checkbox", "record_custom_" . $i . "_reverse_ptr_orig", 0, ""); $data_tmp[$i]["delete_undo"] = @security_form_input_predefined("any", "record_custom_" . $i . "_delete_undo", 0, ""); /* Process Raw Data */ if ($data_tmp[$i]["id"] && $data_tmp[$i]["delete_undo"] == "true") { $data_tmp[$i]["mode"] = "delete"; } else { if (!empty($data_tmp[$i]["content"]) && $data_tmp[$i]["delete_undo"] == "false") { $data_tmp[$i]["mode"] = "update"; } } } } /* Process Validated Inputs */ if (!empty($data_tmp)) { log_write("debug", "domains", "Record values obtained, running detailed check"); for ($i = 0; $i < $data["custom"]["num_records"]; $i++) { /* Error Handling */ // verify name syntax if ($data_tmp[$i]["name"] == "*" || preg_match("/^\\*\\.[A-Za-z0-9\\p{L}:._-]+\$/", $data_tmp[$i]["name"])) { // wildcard records are annoying - wildcards must be standalone, and can't be part of a sring // OK -> * // OK -> *.example.com // BAD -> abc*.example.com // BAD -> std*abc.example.com // nothing todo } elseif ($data_tmp[$i]["name"] != "@" && !preg_match("/^[A-Za-z0-9\\p{L}:._-]*\$/", $data_tmp[$i]["name"])) { // all other record types log_write("error", "process", "Sorry, the value you have entered for record " . $data_tmp[$i]["name"] . " contains invalid charactors"); error_flag_field("record_custom_" . $i . ""); } // validate content and name formatting per domain type if ($data_tmp[$i]["name"] != "") { switch ($data_tmp[$i]["type"]) { case "A": // validate IPv4 if (!preg_match("/^(?:25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]\\d|\\d)(?:[.](?:25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]\\d|\\d)){3}\$/", $data_tmp[$i]["content"])) { // invalid IP address log_write("error", "process", "A record for " . $data_tmp[$i]["name"] . " did not validate as an IPv4 address"); error_flag_field("record_custom_" . $i . ""); } break; case "AAAA": // validate IPv6 if (filter_var($data_tmp[$i]["content"], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) == FALSE) { // invalid IP address log_write("error", "process", "AAAA record for " . $data_tmp[$i]["name"] . " did not validate as an IPv6 address"); error_flag_field("record_custom_" . $i . ""); } break; case "CNAME": // validate CNAME if ($data_tmp[$i]["content"] != "@" && !preg_match("/^[A-Za-z0-9\\p{L}._-]*\$/", $data_tmp[$i]["content"])) { // invalid CNAME log_write("error", "process", "CNAME record for " . $data_tmp[$i]["name"] . " contains invalid characters."); error_flag_field("record_custom_" . $i . ""); } // make sure it's not an IP if (filter_var($data_tmp[$i]["content"], FILTER_VALIDATE_IP) == $data_tmp[$i]["content"]) { // CNAME is pointing at an IP log_write("error", "process", "CNAME record for " . $data_tmp[$i]["name"] . " is incorrectly referencing an IP address."); error_flag_field("record_custom_" . $i . ""); } break; case "SRV": // validate SRV name (_service._proto.name OR _service._proto)) if (!preg_match("/^_[A-Za-z0-9\\p{L}.-]*\\._[A-Za-z\\p{L}]*\\.[A-Za-z0-9\\p{L}.-]*\$/", $data_tmp[$i]["name"]) && !preg_match("/^_[A-Za-z0-9\\p{L}.-]*\\._[A-Za-z\\p{L}]*\$/", $data_tmp[$i]["name"])) { log_write("error", "process", "SRV record for " . $data_tmp[$i]["name"] . " is not correctly formatted - name must be: _service._proto.name"); error_flag_field("record_custom_" . $i . ""); } // validate SRV content (priority, weight, port, target/host) if (!preg_match("/^[0-9]*\\s[0-9]*\\s[0-9]*\\s[A-Za-z0-9\\p{L}.-]*\$/", $data_tmp[$i]["content"])) { log_write("error", "process", "SRV record for " . $data_tmp[$i]["name"] . " is not correctly formatted - content must be: priority weight port target/hostname"); error_flag_field("record_custom_" . $i . ""); } break; case "SPF": case "TXT": // TXT string could be almost anything, just make sure it's quoted. $data_tmp[$i]["content"] = str_replace("'", "", $data_tmp[$i]["content"]); $data_tmp[$i]["content"] = str_replace('"', "", $data_tmp[$i]["content"]); $data_tmp[$i]["content"] = '"' . $data_tmp[$i]["content"] . '"'; break; case "PTR": if (strpos($this->data["domain_name"], "in-addr.arpa")) { // IPv4 PTR Record // We only pass through the 4th octet to the end user. if (!preg_match("/^[0-9]*\$/", $data_tmp[$i]["name"])) { log_write("error", "process", "PTR reverse record for " . $data_tmp[$i]["content"] . " should be a single octet."); error_flag_field("record_custom_" . $i . ""); } if (!preg_match("/^[A-Za-z0-9\\p{L}.-]*\$/", $data_tmp[$i]["content"])) { log_write("error", "process", "PTR reverse record for " . $data_tmp[$i]["name"] . " is not correctly formatted."); error_flag_field("record_custom_" . $i . ""); } } elseif (strpos($this->data["domain_name"], "ip6.arpa")) { // IPv6 PTR Record // If the record is already in reverse ARPA format, we should convert it first if (strpos($data_tmp[$i]["name"], "ip6.arpa")) { $data_tmp[$i]["name"] = ipv6_convert_fromarpa($data_tmp[$i]["name"]); } // We pass through a full IPv6 address and maybe a CIDR value - if provided, // we should strip off the CIDR and then validate the address and process. $data_tmp[$i]["name"] = preg_replace("/\\/[0-9]*\$/", '', $data_tmp[$i]["name"]); if (!filter_var($data_tmp[$i]["name"], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) { log_write("error", "process", "Provided PTR IPv6 address for " . $data_tmp[$i]["name"] . " is not a valid IPv6 address."); error_flag_field("record_custom_" . $i . ""); } if (!preg_match("/^[A-Za-z0-9\\p{L}.-]*\$/", $data_tmp[$i]["content"])) { log_write("error", "process", "Provided PTR IPv6 reverse record for " . $data_tmp[$i]["name"] . " is not correctly formatted."); error_flag_field("record_custom_" . $i . ""); } // convert the record into PTR formatted value $data_tmp[$i]["name"] = ipv6_convert_arpa($data_tmp[$i]["name"]); } break; case "SSHFP": // validate SSHFP content (algorithm, type, key/fingerprint) if (!preg_match("/^[1-4] [1-2] [a-fA-F0-9]+\$/", $data_tmp[$i]["content"])) { log_write("error", "process", "SSHFP record for " . $data_tmp[$i]["name"] . " is not correctly formatted - content must be: algorithm(1-4) type(1-2) <key/fingerprint>"); error_flag_field("record_custom_" . $i . ""); } break; case "LOC": // validate SSHFP content (algorithm, type, key/fingerprint) if (!preg_match("/^[0-9]+( [0-9]+( [0-9]+\\.[0-9]+)?)? N|S [0-9]+( [0-9]+( [0-9]+\\.[0-9]+)?)? E|W \\-?[0-9]+\\.[0-9]+m?( [0-9]+\\.[0-9]+m?)?( [0-9]+\\.[0-9]+m?)?/", $data_tmp[$i]["content"])) { log_write("error", "process", "LOC record for " . $data_tmp[$i]["name"] . " is not correctly formatted - content must follow RFC 1876"); error_flag_field("record_custom_" . $i . ""); } break; case "NS": case "MX": case "HINFO": // nothing todo. break; default: log_write("error", "process", "Unknown record type " . $data_tmp[$i]["type"] . ""); break; } // remove excess "." which might have been added $data_tmp[$i]["name"] = rtrim($data_tmp[$i]["name"], "."); $data_tmp[$i]["content"] = rtrim($data_tmp[$i]["content"], "."); // verify reverse PTR options if ($data_tmp[$i]["reverse_ptr"]) { if ($data_tmp[$i]["type"] == "A" || $data_tmp[$i]["type"] == "AAAA") { // check if the appropiate reverse DNS domain exists $obj_record = new domain_records(); if (!$obj_record->find_reverse_domain($data_tmp[$i]["content"])) { // no match log_write("error", "process", "Sorry, we can't set a reverse PTR for " . $data_tmp[$i]["content"] . " --> " . $data_tmp[$i]["name"] . ", since there is no reverse domain record for that IP address"); error_flag_field("record_custom_" . $i . ""); } else { // match, record the domain ID and record ID to save a lookup $data_tmp[$i]["reverse_ptr_id_domain"] = $obj_record->id; $data_tmp[$i]["reverse_ptr_id_record"] = $obj_record->id_record; } // add to the reverse domain list - we use this list to avoid reloading for every record if (@(!in_array($obj_record->id, $data["reverse"]))) { $data["reverse"][] = $obj_record->id; } unset($obj_record); } else { log_write("error", "process", "A reverse PTR record is only valid for an A or AAAA record"); error_flag_field("record_custom_" . $i . ""); } } // add to processing array $data["records"][] = $data_tmp[$i]; } else { /* No record name exists - this is only valid if no content is also supplied */ if (!empty($data_tmp[$i]['content'])) { log_write("error", "process", "Name cannot be empty for IP address: " . $data_tmp[$i]['content']); error_flag_field("record_custom_" . $i . ""); } } } // end of loop through records } else { log_write("debug", "domains", "No records provided, no validation performed"); } // return structured array return $data; }
$obj_domain->data["ipv6_autofill_reverse_from_forward"] = security_form_input_predefined("checkbox", "ipv6_autofill_reverse_from_forward", 0, ""); //$obj_domain->data["ipv6_autofill_domain"] = security_form_input_predefined("any", "ipv6_autofill_domain", 0, ""); $obj_domain->data["domain_description"] = security_form_input_predefined("any", "domain_description", 0, ""); // check CIDR $matches = explode("/", $obj_domain->data["ipv6_network"]); if (!empty($matches[0]) && !empty($matches[1])) { // set network $obj_domain->data["ipv6_network"] = $matches[0]; $obj_domain->data["ipv6_cidr"] = $matches[1]; // check CIDR if ($obj_domain->data["ipv6_cidr"] > 128 || $obj_domain->data["ipv6_cidr"] < 1) { log_write("error", "process", "Invalid CIDR, IPv6 CIDRs are between /0 and /128"); error_flag_field("ipv6_network"); } // generate domain name (IPv6 CIDR) $obj_domain->data["domain_name"] = ipv6_convert_arpa($obj_domain->data["ipv6_network"] . "/" . $obj_domain->data["ipv6_cidr"]); // if no description, set to original IP if (!$obj_domain->data["domain_description"]) { $obj_domain->data["domain_description"] = "Reverse domain for range " . $obj_domain->data["ipv6_network"] . "/" . $obj_domain->data["ipv6_cidr"]; } } } else { log_write("error", "process", "Unexpected domain type, unable to process."); } } // standard fields $obj_domain->data["soa_hostmaster"] = security_form_input_predefined("email", "soa_hostmaster", 1, ""); $obj_domain->data["soa_serial"] = security_form_input_predefined("int", "soa_serial", 1, ""); $obj_domain->data["soa_refresh"] = security_form_input_predefined("int", "soa_refresh", 1, ""); $obj_domain->data["soa_retry"] = security_form_input_predefined("int", "soa_retry", 1, ""); $obj_domain->data["soa_expire"] = security_form_input_predefined("int", "soa_expire", 1, "");
*/ if ($record["reverse_ptr"]) { log_write("debug", "process", "Updating reverse PTR record for " . $record["name"] . "--> " . $record["content"] . ""); $obj_ptr = new domain_records(); $obj_ptr->id = $record["reverse_ptr_id_domain"]; // will always be set $obj_ptr->id_record = $record["reverse_ptr_id_record"]; // might be set, if not, a new record will be added $obj_ptr->load_data(); if ($obj_ptr->id_record) { $obj_ptr->load_data_record(); } // fetch host portion of IP address switch (ip_type_detect($record["content"])) { case "6": $ip_ptr = ipv6_convert_arpa($record["content"]); break; case "4": default: $tmp = explode(".", $record["content"]); $ip_ptr = $tmp[3]; break; } // standard reverse record details $obj_ptr->data_record["type"] = "PTR"; $obj_ptr->data_record["ttl"] = $record["ttl"]; $obj_ptr->data_record["name"] = $ip_ptr; // make sure we are using the FQDN if ($record["name"] == "@" || $record["name"] == "*" || preg_match("/^\\*\\.[A-Za-z0-9:._-]+\$/", $record["name"])) { // @ is a special value, means set to the domain name // * is a wild card, reverse DNS can only be the domain name itself