don't validate IP addresses from env var placeholders
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0a1a88512a
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@ -143,15 +143,6 @@ class MainConfiguration implements ConfigurationInterface
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->integerNode('port')->defaultNull()->end()
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->arrayNode('ips')
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->beforeNormalization()->ifString()->then(function ($v) { return [$v]; })->end()
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->beforeNormalization()->always()->then(function ($v) {
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foreach ($v as $ip) {
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if (false === $this->isValidIp($ip)) {
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throw new \LogicException(sprintf('The given "%s" value in the "access_control" config option is not a valid IP address.', $ip));
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}
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}
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return $v;
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})->end()
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->prototype('scalar')->end()
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->end()
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->arrayNode('methods')
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@ -432,30 +423,4 @@ class MainConfiguration implements ConfigurationInterface
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->end()
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;
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}
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private function isValidIp(string $cidr): bool
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{
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$cidrParts = explode('/', $cidr);
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if (1 === \count($cidrParts)) {
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return false !== filter_var($cidrParts[0], FILTER_VALIDATE_IP);
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}
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$ip = $cidrParts[0];
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$netmask = $cidrParts[1];
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if (!ctype_digit($netmask)) {
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return false;
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}
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
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return $netmask <= 32;
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}
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
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return $netmask <= 128;
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}
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return false;
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}
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}
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@ -731,20 +731,32 @@ class SecurityExtension extends Extension implements PrependExtensionInterface
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return $this->expressions[$id] = new Reference($id);
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}
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private function createRequestMatcher($container, $path = null, $host = null, int $port = null, $methods = [], $ip = null, array $attributes = [])
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private function createRequestMatcher(ContainerBuilder $container, $path = null, $host = null, int $port = null, $methods = [], array $ips = null, array $attributes = [])
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{
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if ($methods) {
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$methods = array_map('strtoupper', (array) $methods);
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}
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$id = '.security.request_matcher.'.ContainerBuilder::hash([$path, $host, $port, $methods, $ip, $attributes]);
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if (null !== $ips) {
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foreach ($ips as $ip) {
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$container->resolveEnvPlaceholders($ip, null, $usedEnvs);
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if (!$usedEnvs && !$this->isValidIp($ip)) {
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throw new \LogicException(sprintf('The given value "%s" in the "security.access_control" config option is not a valid IP address.', $ip));
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}
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$usedEnvs = null;
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}
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}
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$id = '.security.request_matcher.'.ContainerBuilder::hash([$path, $host, $port, $methods, $ips, $attributes]);
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if (isset($this->requestMatchers[$id])) {
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return $this->requestMatchers[$id];
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}
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// only add arguments that are necessary
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$arguments = [$path, $host, $methods, $ip, $attributes, null, $port];
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$arguments = [$path, $host, $methods, $ips, $attributes, null, $port];
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while (\count($arguments) > 0 && !end($arguments)) {
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array_pop($arguments);
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}
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@ -788,4 +800,30 @@ class SecurityExtension extends Extension implements PrependExtensionInterface
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// first assemble the factories
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return new MainConfiguration($this->factories, $this->userProviderFactories);
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}
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private function isValidIp(string $cidr): bool
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{
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$cidrParts = explode('/', $cidr);
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if (1 === \count($cidrParts)) {
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return false !== filter_var($cidrParts[0], FILTER_VALIDATE_IP);
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}
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$ip = $cidrParts[0];
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$netmask = $cidrParts[1];
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if (!ctype_digit($netmask)) {
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return false;
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}
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
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return $netmask <= 32;
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}
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
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return $netmask <= 128;
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}
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return false;
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}
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}
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@ -40,6 +40,12 @@ secured-by-one-real-ip-with-mask:
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secured-by-one-real-ipv6:
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path: /secured-by-one-real-ipv6
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secured-by-one-env-placeholder:
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path: /secured-by-one-env-placeholder
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secured-by-one-env-placeholder-and-one-real-ip:
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path: /secured-by-one-env-placeholder-and-one-real-ip
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form_logout:
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path: /logout_path
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@ -109,7 +109,7 @@ class SecurityRoutingIntegrationTest extends WebTestCase
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public function testInvalidIpsInAccessControl()
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{
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$this->expectException(\LogicException::class);
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$this->expectExceptionMessage('The given "256.357.458.559" value in the "access_control" config option is not a valid IP address.');
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$this->expectExceptionMessage('The given value "256.357.458.559" in the "security.access_control" config option is not a valid IP address.');
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$client = $this->createClient(['test_case' => 'StandardFormLogin', 'root_config' => 'invalid_ip_access_control.yml']);
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$client->request('GET', '/unprotected_resource');
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@ -1,6 +1,9 @@
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imports:
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- { resource: ./../config/default.yml }
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parameters:
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env(APP_IP): '127.0.0.1'
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security:
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encoders:
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Symfony\Component\Security\Core\User\User: plaintext
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@ -43,6 +46,8 @@ security:
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- { path: ^/secured-by-one-real-ip$, ips: 198.51.100.0, roles: IS_AUTHENTICATED_ANONYMOUSLY }
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- { path: ^/secured-by-one-real-ip-with-mask$, ips: '203.0.113.0/24', roles: IS_AUTHENTICATED_ANONYMOUSLY }
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- { path: ^/secured-by-one-real-ipv6$, ips: 0:0:0:0:0:ffff:c633:6400, roles: IS_AUTHENTICATED_ANONYMOUSLY }
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- { path: ^/secured-by-one-env-placeholder$, ips: '%env(APP_IP)%', roles: IS_AUTHENTICATED_ANONYMOUSLY }
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- { path: ^/secured-by-one-env-placeholder-and-one-real-ip$, ips: ['%env(APP_IP)%', 198.51.100.0], roles: IS_AUTHENTICATED_ANONYMOUSLY }
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- { path: ^/highly_protected_resource$, roles: IS_ADMIN }
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- { path: ^/protected-via-expression$, allow_if: "(is_anonymous() and request.headers.get('user-agent') matches '/Firefox/i') or is_granted('ROLE_USER')" }
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- { path: .*, roles: IS_AUTHENTICATED_FULLY }
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@ -19,4 +19,4 @@ security:
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access_control:
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# the '256.357.458.559' IP is wrong on purpose, to check invalid IP errors
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- { path: ^/unprotected_resource$, ips: [1.1.1.1, 256.357.458.559], roles: IS_AUTHENTICATED_ANONYMOUSLY }
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- { path: ^/unprotected_resource$, ips: [1.1.1.1, '%env(APP_IP)%', 256.357.458.559], roles: IS_AUTHENTICATED_ANONYMOUSLY }
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