Only enable modules to have native controllers
This commit removes the ability for a plugin to have a native controller as leaves it as only modules can have a native controller.
This commit is contained in:
Jason Tedor
Ryan Ernst
parent
ab101976d6
commit
3cadd5c40c
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@ -590,6 +590,9 @@ class InstallPluginCommand extends EnvironmentAwareCommand {
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/** Load information about the plugin, and verify it can be installed with no errors. */
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private PluginInfo loadPluginInfo(Terminal terminal, Path pluginRoot, boolean isBatch, Environment env) throws Exception {
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final PluginInfo info = PluginInfo.readFromProperties(pluginRoot);
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if (info.hasNativeController()) {
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throw new IllegalStateException("plugins can not have native controllers");
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}
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PluginsService.verifyCompatibility(info);
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// checking for existing version of the plugin
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@ -678,19 +681,16 @@ class InstallPluginCommand extends EnvironmentAwareCommand {
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Set<String> permissions = new HashSet<>();
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final List<PluginInfo> pluginInfos = new ArrayList<>();
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boolean hasNativeController = false;
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for (Path plugin : pluginPaths) {
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final PluginInfo info = loadPluginInfo(terminal, plugin, isBatch, env);
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pluginInfos.add(info);
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hasNativeController |= info.hasNativeController();
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Path policy = plugin.resolve(PluginInfo.ES_PLUGIN_POLICY);
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if (Files.exists(policy)) {
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permissions.addAll(PluginSecurity.parsePermissions(policy, env.tmpFile()));
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}
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}
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PluginSecurity.confirmPolicyExceptions(terminal, permissions, hasNativeController, isBatch);
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PluginSecurity.confirmPolicyExceptions(terminal, permissions, isBatch);
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// move support files and rename as needed to prepare the exploded plugin for its final location
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for (int i = 0; i < pluginPaths.size(); ++i) {
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@ -723,7 +723,7 @@ class InstallPluginCommand extends EnvironmentAwareCommand {
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} else {
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permissions = Collections.emptySet();
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}
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PluginSecurity.confirmPolicyExceptions(terminal, permissions, info.hasNativeController(), isBatch);
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PluginSecurity.confirmPolicyExceptions(terminal, permissions, isBatch);
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final Path destination = env.pluginsFile().resolve(info.getName());
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deleteOnFailure.add(destination);
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@ -1242,42 +1242,16 @@ public class InstallPluginCommandTests extends ESTestCase {
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assertMetaPlugin("meta-plugin", "fake2", metaDir, env.v2());
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}
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public void testNativeControllerConfirmation() throws Exception {
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public void testPluginWithNativeController() throws Exception {
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Tuple<Path, Environment> env = createEnv(fs, temp);
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Path pluginDir = createPluginDir(temp);
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String pluginZip = createPluginUrl("fake", pluginDir, "has.native.controller", "true");
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assertPolicyConfirmation(env, pluginZip, "plugin forks a native controller");
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assertPlugin("fake", pluginDir, env.v2());
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final IllegalStateException e = expectThrows(IllegalStateException.class, () -> installPlugin(pluginZip, env.v1()));
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assertThat(e, hasToString(containsString("plugins can not have native controllers")));
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}
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public void testMetaPluginNativeControllerConfirmation() throws Exception {
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Tuple<Path, Environment> env = createEnv(fs, temp);
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Path metaDir = createPluginDir(temp);
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Path fake1Dir = metaDir.resolve("fake1");
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Files.createDirectory(fake1Dir);
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writePlugin("fake1", fake1Dir, "has.native.controller", "true");
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Path fake2Dir = metaDir.resolve("fake2");
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Files.createDirectory(fake2Dir);
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writePlugin("fake2", fake2Dir);
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String pluginZip = createMetaPluginUrl("meta-plugin", metaDir);
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assertPolicyConfirmation(env, pluginZip, "plugin forks a native controller");
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assertMetaPlugin("meta-plugin", "fake1", metaDir, env.v2());
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assertMetaPlugin("meta-plugin", "fake2", metaDir, env.v2());
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}
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public void testNativeControllerAndPolicyConfirmation() throws Exception {
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Tuple<Path, Environment> env = createEnv(fs, temp);
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Path pluginDir = createPluginDir(temp);
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writePluginSecurityPolicy(pluginDir, "setAccessible", "setFactory");
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String pluginZip = createPluginUrl("fake", pluginDir, "has.native.controller", "true");
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assertPolicyConfirmation(env, pluginZip, "plugin requires additional permissions", "plugin forks a native controller");
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assertPlugin("fake", pluginDir, env.v2());
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}
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public void testMetaPluginNativeControllerAndPolicyConfirmation() throws Exception {
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public void testMetaPluginWithNativeController() throws Exception {
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Tuple<Path, Environment> env = createEnv(fs, temp);
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Path metaDir = createPluginDir(temp);
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Path fake1Dir = metaDir.resolve("fake1");
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@ -1289,8 +1263,8 @@ public class InstallPluginCommandTests extends ESTestCase {
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writePlugin("fake2", fake2Dir, "has.native.controller", "true");
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String pluginZip = createMetaPluginUrl("meta-plugin", metaDir);
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assertPolicyConfirmation(env, pluginZip, "plugin requires additional permissions", "plugin forks a native controller");
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assertMetaPlugin("meta-plugin", "fake1", metaDir, env.v2());
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assertMetaPlugin("meta-plugin", "fake2", metaDir, env.v2());
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final IllegalStateException e = expectThrows(IllegalStateException.class, () -> installPlugin(pluginZip, env.v1()));
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assertThat(e, hasToString(containsString("plugins can not have native controllers")));
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}
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}
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@ -19,62 +19,17 @@
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package org.elasticsearch.plugins;
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import org.elasticsearch.cli.MockTerminal;
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import org.elasticsearch.cli.UserException;
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import org.elasticsearch.test.ESTestCase;
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import java.io.IOException;
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import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Set;
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import static org.hamcrest.Matchers.contains;
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import static org.hamcrest.Matchers.containsInAnyOrder;
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import static org.hamcrest.Matchers.containsString;
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import static org.hamcrest.Matchers.hasToString;
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import static org.hamcrest.Matchers.not;
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/** Tests plugin manager security check */
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public class PluginSecurityTests extends ESTestCase {
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public void testHasNativeController() throws Exception {
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assumeTrue(
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"test cannot run with security manager enabled",
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System.getSecurityManager() == null);
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final MockTerminal terminal = new MockTerminal();
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terminal.addTextInput("y");
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terminal.addTextInput("y");
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final Path policyFile = this.getDataPath("security/simple-plugin-security.policy");
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Set<String> permissions = PluginSecurity.parsePermissions(policyFile, createTempDir());
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PluginSecurity.confirmPolicyExceptions(terminal, permissions, true, false);
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final String output = terminal.getOutput();
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assertThat(output, containsString("plugin forks a native controller"));
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}
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public void testDeclineNativeController() throws IOException {
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assumeTrue("test cannot run with security manager enabled", System.getSecurityManager() == null);
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final MockTerminal terminal = new MockTerminal();
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terminal.addTextInput("y");
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terminal.addTextInput("n");
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final Path policyFile = this.getDataPath("security/simple-plugin-security.policy");
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Set<String> permissions = PluginSecurity.parsePermissions(policyFile, createTempDir());
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UserException e = expectThrows(UserException.class,
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() -> PluginSecurity.confirmPolicyExceptions(terminal, permissions, true, false));
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assertThat(e, hasToString(containsString("installation aborted by user")));
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}
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public void testDoesNotHaveNativeController() throws Exception {
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assumeTrue("test cannot run with security manager enabled", System.getSecurityManager() == null);
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final MockTerminal terminal = new MockTerminal();
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terminal.addTextInput("y");
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final Path policyFile = this.getDataPath("security/simple-plugin-security.policy");
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Set<String> permissions = PluginSecurity.parsePermissions(policyFile, createTempDir());
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PluginSecurity.confirmPolicyExceptions(terminal, permissions, false, false);
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final String output = terminal.getOutput();
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assertThat(output, not(containsString("plugin forks a native controller")));
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}
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/** Test that we can parse the set of permissions correctly for a simple policy */
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public void testParsePermissions() throws Exception {
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assumeTrue(
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@ -66,7 +66,7 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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+ "read SOMETHING\n";
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/**
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* Simplest case: a plugin with no controller daemon.
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* Simplest case: a module with no controller daemon.
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*/
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public void testNoControllerSpawn() throws IOException, InterruptedException {
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Path esHome = createTempDir().resolve("esHome");
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@ -77,7 +77,7 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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Environment environment = TestEnvironment.newEnvironment(settings);
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// This plugin will NOT have a controller daemon
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Path plugin = environment.pluginsFile().resolve("a_plugin");
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Path plugin = environment.modulesFile().resolve("a_plugin");
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Files.createDirectories(environment.modulesFile());
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Files.createDirectories(plugin);
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PluginTestUtil.writePluginProperties(
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@ -100,11 +100,11 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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* Two plugins - one with a controller daemon and one without.
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*/
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public void testControllerSpawn() throws Exception {
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assertControllerSpawns(Environment::pluginsFile);
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assertControllerSpawns(Environment::modulesFile);
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assertControllerSpawns(Environment::pluginsFile, false);
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assertControllerSpawns(Environment::modulesFile, true);
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}
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private void assertControllerSpawns(Function<Environment, Path> pluginsDirFinder) throws Exception {
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private void assertControllerSpawns(final Function<Environment, Path> pluginsDirFinder, boolean expectSpawn) throws Exception {
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/*
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* On Windows you can not directly run a batch file - you have to run cmd.exe with the batch
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* file as an argument and that's out of the remit of the controller daemon process spawner.
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@ -152,30 +152,35 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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spawner.spawnNativeControllers(environment);
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List<Process> processes = spawner.getProcesses();
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/*
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* As there should only be a reference in the list for the plugin that had the controller
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* daemon, we expect one here.
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*/
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if (expectSpawn) {
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// as there should only be a reference in the list for the module that had the controller daemon, we expect one here
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assertThat(processes, hasSize(1));
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Process process = processes.get(0);
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final InputStreamReader in =
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new InputStreamReader(process.getInputStream(), StandardCharsets.UTF_8);
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final InputStreamReader in = new InputStreamReader(process.getInputStream(), StandardCharsets.UTF_8);
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try (BufferedReader stdoutReader = new BufferedReader(in)) {
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String line = stdoutReader.readLine();
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assertEquals("I am alive", line);
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spawner.close();
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/*
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* Fail if the process does not die within one second; usually it will be even quicker
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* but it depends on OS scheduling.
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*/
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// fail if the process does not die within one second; usually it will be even quicker but it depends on OS scheduling
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assertTrue(process.waitFor(1, TimeUnit.SECONDS));
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}
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} else {
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assertThat(processes, hasSize(0));
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}
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}
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/**
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* Two plugins in a meta plugin - one with a controller daemon and one without.
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* Two plugins in a meta module - one with a controller daemon and one without.
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*/
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public void testControllerSpawnMetaPlugin() throws IOException, InterruptedException {
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public void testControllerSpawnMeta() throws Exception {
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runTestControllerSpawnMeta(Environment::pluginsFile, false);
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runTestControllerSpawnMeta(Environment::modulesFile, true);
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}
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private void runTestControllerSpawnMeta(
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final Function<Environment, Path> pluginsDirFinder, final boolean expectSpawn) throws Exception {
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/*
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* On Windows you can not directly run a batch file - you have to run cmd.exe with the batch
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* file as an argument and that's out of the remit of the controller daemon process spawner.
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@ -189,17 +194,17 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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Environment environment = TestEnvironment.newEnvironment(settings);
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Path metaPlugin = environment.pluginsFile().resolve("meta_plugin");
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Path metaModule = pluginsDirFinder.apply(environment).resolve("meta_module");
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Files.createDirectories(environment.modulesFile());
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Files.createDirectories(metaPlugin);
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Files.createDirectories(metaModule);
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PluginTestUtil.writeMetaPluginProperties(
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metaPlugin,
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metaModule,
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"description", "test_plugin",
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"name", "meta_plugin",
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"plugins", "test_plugin,other_plugin");
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// this plugin will have a controller daemon
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Path plugin = metaPlugin.resolve("test_plugin");
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Path plugin = metaModule.resolve("test_plugin");
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Files.createDirectories(plugin);
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PluginTestUtil.writePluginProperties(
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@ -215,7 +220,7 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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createControllerProgram(controllerProgram);
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// this plugin will not have a controller daemon
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Path otherPlugin = metaPlugin.resolve("other_plugin");
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Path otherPlugin = metaModule.resolve("other_plugin");
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Files.createDirectories(otherPlugin);
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PluginTestUtil.writePluginProperties(
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otherPlugin,
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@ -231,10 +236,9 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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spawner.spawnNativeControllers(environment);
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List<Process> processes = spawner.getProcesses();
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/*
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* As there should only be a reference in the list for the plugin that had the controller
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* daemon, we expect one here.
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*/
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if (expectSpawn) {
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// as there should only be a reference in the list for the plugin that had the controller daemon, we expect one here
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assertThat(processes, hasSize(1));
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Process process = processes.get(0);
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final InputStreamReader in =
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@ -243,12 +247,12 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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String line = stdoutReader.readLine();
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assertEquals("I am alive", line);
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spawner.close();
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/*
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* Fail if the process does not die within one second; usually it will be even quicker
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* but it depends on OS scheduling.
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*/
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// fail if the process does not die within one second; usually it will be even quicker but it depends on OS scheduling
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assertTrue(process.waitFor(1, TimeUnit.SECONDS));
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}
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} else {
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assertThat(processes, hasSize(0));
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}
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}
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public void testControllerSpawnWithIncorrectDescriptor() throws IOException {
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@ -260,7 +264,7 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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Environment environment = TestEnvironment.newEnvironment(settings);
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Path plugin = environment.pluginsFile().resolve("test_plugin");
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Path plugin = environment.modulesFile().resolve("test_plugin");
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Files.createDirectories(plugin);
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PluginTestUtil.writePluginProperties(
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plugin,
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@ -280,7 +284,7 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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() -> spawner.spawnNativeControllers(environment));
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assertThat(
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e.getMessage(),
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equalTo("plugin [test_plugin] does not have permission to fork native controller"));
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equalTo("module [test_plugin] does not have permission to fork native controller"));
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}
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public void testSpawnerHandlingOfDesktopServicesStoreFiles() throws IOException {
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@ -292,7 +296,7 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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Files.createDirectories(environment.modulesFile());
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Files.createDirectories(environment.pluginsFile());
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final Path desktopServicesStore = environment.pluginsFile().resolve(".DS_Store");
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final Path desktopServicesStore = environment.modulesFile().resolve(".DS_Store");
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Files.createFile(desktopServicesStore);
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final Spawner spawner = new Spawner();
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@ -301,8 +305,7 @@ public class SpawnerNoBootstrapTests extends LuceneTestCase {
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spawner.spawnNativeControllers(environment);
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} else {
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// we do not ignore these files on non-macOS systems
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final FileSystemException e =
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expectThrows(FileSystemException.class, () -> spawner.spawnNativeControllers(environment));
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final FileSystemException e = expectThrows(FileSystemException.class, () -> spawner.spawnNativeControllers(environment));
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if (Constants.WINDOWS) {
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assertThat(e, instanceOf(NoSuchFileException.class));
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} else {
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@ -37,8 +37,7 @@ import java.util.Locale;
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import java.util.concurrent.atomic.AtomicBoolean;
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/**
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* Spawns native plugin controller processes if present. Will only work prior to a system call
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* filter being installed.
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* Spawns native module controller processes if present. Will only work prior to a system call filter being installed.
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*/
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final class Spawner implements Closeable {
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@ -54,55 +53,46 @@ final class Spawner implements Closeable {
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}
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/**
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* Spawns the native controllers for each plugin/module.
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* Spawns the native controllers for each module.
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*
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* @param environment the node environment
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* @throws IOException if an I/O error occurs reading the plugins or spawning a native process
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* @throws IOException if an I/O error occurs reading the module or spawning a native process
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*/
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void spawnNativeControllers(final Environment environment) throws IOException {
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if (!spawned.compareAndSet(false, true)) {
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throw new IllegalStateException("native controllers already spawned");
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}
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spawnControllers(environment.pluginsFile(), "plugins", environment.tmpFile());
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spawnControllers(environment.modulesFile(), "modules", environment.tmpFile());
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}
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/** Spawn controllers in plugins found within the given directory. */
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private void spawnControllers(Path pluginsDir, String type, Path tmpDir) throws IOException {
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if (!Files.exists(pluginsDir)) {
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throw new IllegalStateException(type + " directory [" + pluginsDir + "] not found");
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if (!Files.exists(environment.modulesFile())) {
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throw new IllegalStateException("modules directory [" + environment.modulesFile() + "] not found");
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}
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/*
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* For each plugin, attempt to spawn the controller daemon. Silently ignore any plugin that
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* don't include a controller for the correct platform.
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* For each module, attempt to spawn the controller daemon. Silently ignore any module that doesn't include a controller for the
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* correct platform.
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*/
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List<Path> paths = PluginsService.findPluginDirs(pluginsDir);
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for (Path plugin : paths) {
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final PluginInfo info = PluginInfo.readFromProperties(plugin);
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final Path spawnPath = Platforms.nativeControllerPath(plugin);
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List<Path> paths = PluginsService.findPluginDirs(environment.modulesFile());
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for (final Path modules : paths) {
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final PluginInfo info = PluginInfo.readFromProperties(modules);
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final Path spawnPath = Platforms.nativeControllerPath(modules);
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if (!Files.isRegularFile(spawnPath)) {
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continue;
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}
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if (!info.hasNativeController()) {
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final String message = String.format(
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Locale.ROOT,
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"plugin [%s] does not have permission to fork native controller",
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plugin.getFileName());
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"module [%s] does not have permission to fork native controller",
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modules.getFileName());
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throw new IllegalArgumentException(message);
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}
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final Process process = spawnNativePluginController(spawnPath, tmpDir);
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final Process process = spawnNativeController(spawnPath, environment.tmpFile());
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processes.add(process);
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}
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}
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/**
|
||||
* Attempt to spawn the controller daemon for a given plugin. The spawned process will remain
|
||||
* connected to this JVM via its stdin, stdout, and stderr streams, but the references to these
|
||||
* streams are not available to code outside this package.
|
||||
* Attempt to spawn the controller daemon for a given module. The spawned process will remain connected to this JVM via its stdin,
|
||||
* stdout, and stderr streams, but the references to these streams are not available to code outside this package.
|
||||
*/
|
||||
private Process spawnNativePluginController(
|
||||
final Path spawnPath,
|
||||
final Path tmpPath) throws IOException {
|
||||
private Process spawnNativeController(final Path spawnPath, final Path tmpPath) throws IOException {
|
||||
final String command;
|
||||
if (Constants.WINDOWS) {
|
||||
/*
|
||||
|
|
|
|||
|
|
@ -19,11 +19,11 @@
|
|||
|
||||
package org.elasticsearch.plugins;
|
||||
|
||||
import org.elasticsearch.core.internal.io.IOUtils;
|
||||
import org.elasticsearch.cli.ExitCodes;
|
||||
import org.elasticsearch.cli.Terminal;
|
||||
import org.elasticsearch.cli.Terminal.Verbosity;
|
||||
import org.elasticsearch.cli.UserException;
|
||||
import org.elasticsearch.core.internal.io.IOUtils;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.nio.file.Files;
|
||||
|
|
@ -37,10 +37,8 @@ import java.security.URIParameter;
|
|||
import java.security.UnresolvedPermission;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.Comparator;
|
||||
import java.util.List;
|
||||
import java.util.Set;
|
||||
import java.util.function.Supplier;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
class PluginSecurity {
|
||||
|
|
@ -48,8 +46,7 @@ class PluginSecurity {
|
|||
/**
|
||||
* prints/confirms policy exceptions with the user
|
||||
*/
|
||||
static void confirmPolicyExceptions(Terminal terminal, Set<String> permissions,
|
||||
boolean needsNativeController, boolean batch) throws UserException {
|
||||
static void confirmPolicyExceptions(Terminal terminal, Set<String> permissions, boolean batch) throws UserException {
|
||||
List<String> requested = new ArrayList<>(permissions);
|
||||
if (requested.isEmpty()) {
|
||||
terminal.println(Verbosity.VERBOSE, "plugin has a policy file with no additional permissions");
|
||||
|
|
@ -69,15 +66,6 @@ class PluginSecurity {
|
|||
terminal.println(Verbosity.NORMAL, "for descriptions of what these permissions allow and the associated risks.");
|
||||
prompt(terminal, batch);
|
||||
}
|
||||
|
||||
if (needsNativeController) {
|
||||
terminal.println(Verbosity.NORMAL, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
|
||||
terminal.println(Verbosity.NORMAL, "@ WARNING: plugin forks a native controller @");
|
||||
terminal.println(Verbosity.NORMAL, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
|
||||
terminal.println(Verbosity.NORMAL, "This plugin launches a native controller that is not subject to the Java");
|
||||
terminal.println(Verbosity.NORMAL, "security manager nor to system call filters.");
|
||||
prompt(terminal, batch);
|
||||
}
|
||||
}
|
||||
|
||||
private static void prompt(final Terminal terminal, final boolean batch) throws UserException {
|
||||
|
|
|
|||
Loading…
Reference in New Issue