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<?php
require_once 'config.php';
require_once 'router.php';
require_once 'utils.php';
if (isset($_POST['query']) && !empty($_POST['query']) &&
isset($_POST['routers']) && !empty($_POST['routers']) &&
isset($_POST['parameters']) && !empty($_POST['parameters'])) {
$query = htmlspecialchars($_POST['query']);
$hostname = htmlspecialchars($_POST['routers']);
$parameters = htmlspecialchars($_POST['parameters']);
$valid_request = false;
switch ($query) {
case 'bgp':
if (match_ipv4($parameters) || match_ipv6($parameters)) {
$valid_request = true;
} else {
$error = 'The parameter is not an IPv4/IPv6 address.';
}
break;
case 'as-path-regex':
if (match_aspath_regex($parameters)) {
$valid_request = true;
} else {
$error = 'The parameter is not an AS-Path regular expression.';
}
break;
case 'as':
if (match_as($parameters)) {
$valid_request = true;
} else {
$error = 'The parameter is not an AS number.';
}
break;
case 'ping':
case 'traceroute':
if (match_ipv4($parameters) || match_ipv6($parameters) ||
match_fqdn($parameters)) {
$valid_request = true;
} else {
$error = 'The parameter is not an IPv4/IPv6 address or a FQDN.';
}
break;
default:
$error = 'Unknown request: '.$query;
break;
}
if (!$valid_request && isset($error)) {
// Unknown query or invalid parameters
echo $error;
} else {
// Do the processing
// Router connection, command execution, disconnection
$router = new Router($hostname, $_SERVER['REMOTE_ADDR']);
$router->connect();
$data = $router->send_command($query, $parameters);
$router->disconnect();
// Process the output line by line
foreach (preg_split("/((\r?\n)|(\r\n?))/", $data) as $line) {
// Get rid of empty lines
if (empty($line)) {
continue;
}
$valid = true;
foreach ($config['filters'] as $filter) {
// Line has been marked as invalid
if (!$valid) {
break;
}
// Filter line based on the configuration
if (preg_match($filter, $line) === 1) {
$valid = false;
break;
}
}
// The line is valid, print it
if ($valid) {
$return .= $line."\n";
}
}
// Display the result of the command
echo $return;
}
}
// End of execute.php
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