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-rw-r--r--includes/config.defaults.php10
-rw-r--r--includes/utils.php50
-rw-r--r--index.php4
-rw-r--r--routers/bird.php24
-rw-r--r--routers/cisco.php20
-rw-r--r--routers/juniper.php8
-rw-r--r--routers/quagga.php24
7 files changed, 71 insertions, 69 deletions
diff --git a/includes/config.defaults.php b/includes/config.defaults.php
index bd1687f..0fbca1a 100644
--- a/includes/config.defaults.php
+++ b/includes/config.defaults.php
@@ -132,15 +132,15 @@ $config = array(
),
// Documentation for the 'ping' query
'ping' => array(
- 'command' => 'ping IP_ADDRESS|FQDN',
- 'description' => 'Send 10 pings to the given destination.',
- 'parameter' => 'The parameter must be an IPv4/IPv6 address (without mask) or a fully qualified domain name.<br />RFC1918 addresses, IPv6 starting with FD or FC, and IPv4 reserved ranges (0.0.0.0/8, 169.254.0.0/16, 192.0.2.0/24 and 224.0.0.0/4) may be refused.<br /><br />Example of valid arguments:<br /><ul><li>8.8.8.8</li><li>2001:db8:1337::42</li><li>example.com</li></ul>'
+ 'command' => 'ping IP_ADDRESS|HOSTNAME',
+ 'description' => 'Send pings to the given destination.',
+ 'parameter' => 'The parameter must be an IPv4/IPv6 address (without mask) or a hostname.<br />RFC1918 addresses, IPv6 starting with FD or FC, and IPv4 reserved ranges (0.0.0.0/8, 169.254.0.0/16, 192.0.2.0/24 and 224.0.0.0/4) may be refused.<br /><br />Example of valid arguments:<br /><ul><li>8.8.8.8</li><li>2001:db8:1337::42</li><li>example.com</li></ul>'
),
// Documentation for the 'traceroute' query
'traceroute' => array(
- 'command' =>'traceroute IP_ADDRESS|FQDN',
+ 'command' =>'traceroute IP_ADDRESS|HOSTNAME',
'description' => 'Display the path to a given destination.',
- 'parameter' => 'The parameter must be an IPv4/IPv6 address (without mask) or a fully qualified domain name.<br />RFC1918 addresses, IPv6 starting with FD or FC, and IPv4 reserved ranges (0.0.0.0/8, 169.254.0.0/16, 192.0.2.0/24 and 224.0.0.0/4) may be refused.<br /><br />Example of valid arguments:<br /><ul><li>8.8.8.8</li><li>2001:db8:1337::42</li><li>example.com</li></ul>'
+ 'parameter' => 'The parameter must be an IPv4/IPv6 address (without mask) or a hostname.<br />RFC1918 addresses, IPv6 starting with FD or FC, and IPv4 reserved ranges (0.0.0.0/8, 169.254.0.0/16, 192.0.2.0/24 and 224.0.0.0/4) may be refused.<br /><br />Example of valid arguments:<br /><ul><li>8.8.8.8</li><li>2001:db8:1337::42</li><li>example.com</li></ul>'
)
),
diff --git a/includes/utils.php b/includes/utils.php
index 828832f..79888dd 100644
--- a/includes/utils.php
+++ b/includes/utils.php
@@ -142,24 +142,25 @@ function match_ipv6($ip, $ip_only = true) {
}
/**
- * Test if a given parameter is a valid FQDN or not.
+ * Test if a given parameter is a valid hostname or not.
*
- * @param string $fqdn the parameter to test.
- * @return boolean true if the parameter matches a valid FQDN, false otherwise.
+ * See: http://stackoverflow.com/a/4694816
+ * http://stackoverflow.com/a/2183140
+ * for references.
+ *
+ * @param string $hostname the parameter to test.
+ * @return boolean true if the parameter matches a valid hostname, false
+ * otherwise.
*/
-function match_fqdn($fqdn) {
- $regex = '/(?=^.{4,255}$)(^((?!-)[a-zA-Z0-9-]{1,63}(?<!-)\.)+[a-zA-Z]{2,63}$)/';
-
- if (empty($fqdn)) {
- return false;
- }
-
- if ((preg_match($regex, $fqdn) === false) ||
- (preg_match($regex, $fqdn) === 0)) {
- return false;
- } else {
- return true;
- }
+function match_hostname($hostname) {
+ return (
+ // Valid characters check
+ preg_match('/^(_?[a-z\d](-*[_a-z\d])*)(\.(_?[a-z\d](-*[_a-z\d])*))*$/i', $hostname)
+ // Length check
+ && preg_match('/^.{1,253}$/', $hostname)
+ // Length of each label check
+ && preg_match('/^[^\.]{1,63}(\.[^\.]{1,63})*$/', $hostname)
+ );
}
/**
@@ -212,19 +213,20 @@ function match_aspath_regex($aspath_regex) {
}
/**
- * For a given FQDN try to find the corresponding IPv4 or IPv6 address.
+ * For a given hostname try to find the corresponding IPv4 or IPv6 address.
*
- * If there is multiple addresses attached to the same FQDN it will give the
- * first IPv4 or IPv6 found.
+ * If there is multiple addresses attached to the same hostname it will give
+ * the first IPv4 or IPv6 found.
*
- * If the FQDN have both IPv4 and IPv6 addresses it will give the first IPv6
- * address found.
+ * If the hostname have both IPv4 and IPv6 addresses it will give the first
+ * IPv6 address found.
*
- * @param string $fqdn the FQDN to use to search in the DNS databases.
+ * @param string $hostname the hostname to use to search in the DNS
+ * databases.
* @return string an IPv4 or IPv6 address based on the DNS records.
*/
-function fqdn_to_ip_address($fqdn) {
- $dns_record = dns_get_record($fqdn, DNS_A + DNS_AAAA);
+function hostname_to_ip_address($hostname) {
+ $dns_record = dns_get_record($hostname, DNS_A + DNS_AAAA);
// No DNS record found
if (!$dns_record) {
diff --git a/index.php b/index.php
index 30cae37..3c13478 100644
--- a/index.php
+++ b/index.php
@@ -65,8 +65,8 @@ final class LookingGlass {
print('<option value="bgp" selected="selected">show route IP_ADDRESS</option>');
print('<option value="as-path-regex">show route as-path-regex AS_PATH_REGEX</option>');
print('<option value="as">show route AS</option>');
- print('<option value="ping">ping IP_ADDRESS|FQDN</option>');
- print('<option value="traceroute">traceroute IP_ADDRESS|FQDN</option>');
+ print('<option value="ping">ping IP_ADDRESS|HOSTNAME</option>');
+ print('<option value="traceroute">traceroute IP_ADDRESS|HOSTNAME</option>');
print('</select>');
print('</div>');
}
diff --git a/routers/bird.php b/routers/bird.php
index fe9b197..b1a75b8 100644
--- a/routers/bird.php
+++ b/routers/bird.php
@@ -26,21 +26,21 @@ final class Bird extends Router {
protected function build_ping($destination) {
$ping = null;
- if (match_fqdn($destination)) {
- $fqdn = $destination;
- $destination = fqdn_to_ip_address($fqdn);
+ if (match_hostname($destination)) {
+ $hostname = $destination;
+ $destination = hostname_to_ip_address($hostname);
if (!$destination) {
- throw new Exception('No A or AAAA record found for '.$fqdn);
+ throw new Exception('No A or AAAA record found for '.$hostname);
}
}
if (match_ipv4($destination)) {
$ping = 'ping '.$this->global_config['tools']['ping_options'].' '.
- (isset($fqdn) ? $fqdn : $destination);
+ (isset($hostname) ? $hostname : $destination);
} else if (match_ipv6($destination)) {
$ping = 'ping6 '.$this->global_config['tools']['ping_options'].' '.
- (isset($fqdn) ? $fqdn : $destination);
+ (isset($hostname) ? $hostname : $destination);
} else {
throw new Exception('The parameter does not resolve to an IPv4/IPv6 address.');
}
@@ -63,23 +63,23 @@ final class Bird extends Router {
protected function build_traceroute($destination) {
$traceroute = null;
- if (match_fqdn($destination)) {
- $fqdn = $destination;
- $destination = fqdn_to_ip_address($fqdn);
+ if (match_hostname($destination)) {
+ $hostname = $destination;
+ $destination = hostname_to_ip_address($hostname);
if (!$destination) {
- throw new Exception('No A or AAAA record found for '.$fqdn);
+ throw new Exception('No A or AAAA record found for '.$hostname);
}
}
if (match_ipv4($destination)) {
$traceroute = $this->global_config['tools']['traceroute4'].' '.
$this->global_config['tools']['traceroute_options'].' '.
- (isset($fqdn) ? $fqdn : $destination);
+ (isset($hostname) ? $hostname : $destination);
} else if (match_ipv6($destination)) {
$traceroute = $this->global_config['tools']['traceroute6'].' '.
$this->global_config['tools']['traceroute_options'].' '.
- (isset($fqdn) ? $fqdn : $destination);
+ (isset($hostname) ? $hostname : $destination);
} else {
throw new Exception('The parameter does not resolve to an IPv4/IPv6 address.');
}
diff --git a/routers/cisco.php b/routers/cisco.php
index 0763bd7..e36a6bf 100644
--- a/routers/cisco.php
+++ b/routers/cisco.php
@@ -27,10 +27,10 @@ final class Cisco extends Router {
$ping = null;
if (match_ipv4($destination) || match_ipv6($destination) ||
- match_fqdn($destination)) {
+ match_hostname($destination)) {
$ping = 'ping '.$destination.' repeat 10';
} else {
- throw new Exception('The parameter is not an IPv4/IPv6 address or a FQDN.');
+ throw new Exception('The parameter is not an IPv4/IPv6 address or a hostname.');
}
if (($ping != null) && $this->has_source_interface_id()) {
@@ -44,25 +44,25 @@ final class Cisco extends Router {
$traceroute = null;
if (match_ipv4($destination) || match_ipv6($destination) ||
- (match_fqdn($destination) && !$this->has_source_interface_id())) {
+ (match_hostname($destination) && !$this->has_source_interface_id())) {
$traceroute = 'traceroute '.$destination;
- } else if (match_fqdn($destination)) {
- $fqdn = $destination;
- $destination = fqdn_to_ip_address($fqdn);
+ } else if (match_hostname($destination)) {
+ $hostname = $destination;
+ $destination = hostname_to_ip_address($hostname);
if (!$destination) {
- throw new Exception('No A or AAAA record found for '.$fqdn);
+ throw new Exception('No A or AAAA record found for '.$hostname);
}
if (match_ipv4($destination)) {
- $traceroute = 'traceroute ip '.(isset($fqdn) ? $fqdn : $destination);
+ $traceroute = 'traceroute ip '.(isset($hostname) ? $hostname : $destination);
} else if (match_ipv6($destination)) {
- $traceroute = 'traceroute ipv6 '.(isset($fqdn) ? $fqdn : $destination);
+ $traceroute = 'traceroute ipv6 '.(isset($hostname) ? $hostname : $destination);
} else {
throw new Exception('The parameter does not resolve to an IPv4/IPv6 address.');
}
} else {
- throw new Exception('The parameter is not an IPv4/IPv6 address or a FQDN.');
+ throw new Exception('The parameter is not an IPv4/IPv6 address or a hostname.');
}
if (($traceroute != null) && $this->has_source_interface_id() &&
diff --git a/routers/juniper.php b/routers/juniper.php
index b5c3449..3eb34e5 100644
--- a/routers/juniper.php
+++ b/routers/juniper.php
@@ -27,10 +27,10 @@ final class Juniper extends Router {
$ping = null;
if (match_ipv4($destination) || match_ipv6($destination) ||
- match_fqdn($destination)) {
+ match_hostname($destination)) {
$ping = 'ping count 10 rapid '.$destination;
} else {
- throw new Exception('The parameter is not an IPv4/IPv6 address or a FQDN.');
+ throw new Exception('The parameter is not an IPv4/IPv6 address or a hostname.');
}
if (($ping != null) && $this->has_source_interface_id()) {
@@ -45,10 +45,10 @@ final class Juniper extends Router {
if (match_ipv4($destination)) {
$traceroute = 'traceroute as-number-lookup '.$destination;
- } else if (match_ipv6($destination) || match_fqdn($destination)) {
+ } else if (match_ipv6($destination) || match_hostname($destination)) {
$traceroute = 'traceroute '.$destination;
} else {
- throw new Exception('The parameter is not an IPv4/IPv6 address or a FQDN.');
+ throw new Exception('The parameter is not an IPv4/IPv6 address or a hostname.');
}
if (($traceroute != null) && $this->has_source_interface_id()) {
diff --git a/routers/quagga.php b/routers/quagga.php
index 1944273..9ce6606 100644
--- a/routers/quagga.php
+++ b/routers/quagga.php
@@ -26,21 +26,21 @@ final class Quagga extends Router {
protected function build_ping($destination) {
$ping = null;
- if (match_fqdn($destination)) {
- $fqdn = $destination;
- $destination = fqdn_to_ip_address($fqdn);
+ if (match_hostname($destination)) {
+ $hostname = $destination;
+ $destination = hostname_to_ip_address($hostname);
if (!$destination) {
- throw new Exception('No A or AAAA record found for '.$fqdn);
+ throw new Exception('No A or AAAA record found for '.$hostname);
}
}
if (match_ipv4($destination)) {
$ping = 'ping '.$this->global_config['tools']['ping_options'].' '.
- (isset($fqdn) ? $fqdn : $destination);
+ (isset($hostname) ? $hostname : $destination);
} else if (match_ipv6($destination)) {
$ping = 'ping6 '.$this->global_config['tools']['ping_options'].' '.
- (isset($fqdn) ? $fqdn : $destination);
+ (isset($hostname) ? $hostname : $destination);
} else {
throw new Exception('The parameter does not resolve to an IPv4/IPv6 address.');
}
@@ -63,23 +63,23 @@ final class Quagga extends Router {
protected function build_traceroute($destination) {
$traceroute = null;
- if (match_fqdn($destination)) {
- $fqdn = $destination;
- $destination = fqdn_to_ip_address($fqdn);
+ if (match_hostname($destination)) {
+ $hostname = $destination;
+ $destination = hostname_to_ip_address($hostname);
if (!$destination) {
- throw new Exception('No A or AAAA record found for '.$fqdn);
+ throw new Exception('No A or AAAA record found for '.$hostname);
}
}
if (match_ipv4($destination)) {
$traceroute = $this->global_config['tools']['traceroute4'].' '.
$this->global_config['tools']['traceroute_options'].' '.
- (isset($fqdn) ? $fqdn : $destination);
+ (isset($hostname) ? $hostname : $destination);
} else if (match_ipv6($destination)) {
$traceroute = $this->global_config['tools']['traceroute6'].' '.
$this->global_config['tools']['traceroute_options'].' '.
- (isset($fqdn) ? $fqdn : $destination);
+ (isset($hostname) ? $hostname : $destination);
} else {
throw new Exception('The parameter does not resolve to an IPv4/IPv6 address.');
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-30 17:09:47 +0000