89 lines
2.5 KiB
PHP
89 lines
2.5 KiB
PHP
<?php
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class QuaggaPlugin implements IPluggable
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{
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private PluginContext $context;
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const REM_PREFIX = "! routes from file ";
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public function restart(): string
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{
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$configfile = $this->context->getConfig()["quagga"]["file"];
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if (!file_exists($configfile)) {
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throw new RuntimeException("Quagga config file not found");
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}
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$networks = (new NetworkConfigReader())->getConfigs();
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$routeParser = new RoutingTableReader();
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$routes = $routeParser->getRoutes();
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$defGatewayInterface = "";
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$defGateway = "";
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foreach ($routes as $route) {
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if ($route["dst"] === "0.0.0.0/0") {
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$defGatewayInterface = $route["dev"];
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$defGateway = $route["gateway"];
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break;
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}
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}
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if (!$defGatewayInterface) {
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throw new RuntimeException("Failed to detect default gateway interface");
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}
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$contents = file_get_contents($configfile);
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$lines = explode("\n", $contents);
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//remove existing routes
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foreach ($lines as $key => $line) {
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if (str_starts_with($line, self::REM_PREFIX) or str_starts_with($line, "ip route ") and str_contains($line . " ", $defGateway . " ")) {
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unset($lines[$key]);
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}
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}
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//add new routes
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foreach ($this->context->getConfig()["networks"] as $key) {
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$lines[] = self::REM_PREFIX . $key;
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if (isset($networks[$key])) {
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foreach ($networks[$key]["networks"] as $route) {
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$lines[] = "ip route " . $route . " " . $defGateway;
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}
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}
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}
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foreach ($lines as $key => $line) {
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if (trim($line) === "") {
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unset($lines[$key]);
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}
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}
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$backupFile = $configfile . ".sav";
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unlink($backupFile);
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rename($configfile, $backupFile);
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file_put_contents($configfile, implode("\n", $lines));
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//restart zebra
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return shell_exec($this->context->getConfig()["quagga"]["restart_cmd"]);
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}
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public function init(PluginContext $context): void
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{
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$this->context = $context;
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$this->checkConfig();
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}
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private function checkConfig(): void
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{
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$config = $this->context->getConfig();
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if (!isset($config["quagga"])) {
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$config["quagga"] = $this->context->getMetadata()["config"];
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}
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}
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} |