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new cdd854f23f fix: Add strict hostname resolution and loopback check for
advertised address (#4595)
cdd854f23f is described below
commit cdd854f23fe27a670cde126a5419fd9c222ad482
Author: Zixuan Liu <[email protected]>
AuthorDate: Wed Apr 23 02:45:19 2025 +0800
fix: Add strict hostname resolution and loopback check for advertised
address (#4595)
* fix: Add strict hostname resolution and loopback check for advertised
address
* Fix style
* Fix test
---
.../org/apache/bookkeeper/bookie/BookieImpl.java | 65 ++++++++++--------
.../bookkeeper/conf/ServerConfiguration.java | 10 +++
.../bookkeeper/bookie/BookieSocketAddressTest.java | 77 ++++++++++++++++++++++
.../bookkeeper/bookie/CookieIndexDirTest.java | 3 +-
.../bookie/datainteg/CookieValidationTest.java | 7 +-
.../bookie/datainteg/DataIntegrityCheckTest.java | 3 +-
6 files changed, 131 insertions(+), 34 deletions(-)
diff --git
a/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/BookieImpl.java
b/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/BookieImpl.java
index 4ca771a40b..111f5134e7 100644
---
a/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/BookieImpl.java
+++
b/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/BookieImpl.java
@@ -254,49 +254,56 @@ public class BookieImpl implements Bookie {
*/
public static BookieSocketAddress getBookieAddress(ServerConfiguration
conf)
throws UnknownHostException {
+ String hostAddress;
// Advertised address takes precedence over the listening interface
and the
// useHostNameAsBookieID settings
if (conf.getAdvertisedAddress() != null &&
conf.getAdvertisedAddress().trim().length() > 0) {
- String hostAddress = conf.getAdvertisedAddress().trim();
- return new BookieSocketAddress(hostAddress, conf.getBookiePort());
- }
-
- String iface = conf.getListeningInterface();
- if (iface == null) {
- iface = "default";
- }
-
- String hostAddress = DNS.getDefaultIP(iface);
- if (conf.getUseHostNameAsBookieID()) {
- try {
- hostAddress =
InetAddress.getByName(hostAddress).getCanonicalHostName();
- } catch (Exception e) {
- UnknownHostException unknownHostException =
- new UnknownHostException("Unable to resolve hostname
for interface: " + iface);
- unknownHostException.initCause(e);
- throw unknownHostException;
+ hostAddress = conf.getAdvertisedAddress().trim();
+ } else {
+ String iface = conf.getListeningInterface();
+ if (iface == null) {
+ iface = "default";
}
- if (conf.getUseShortHostName()) {
- /*
- * if short hostname is used, then FQDN is not used. Short
- * hostname is the hostname cut at the first dot.
- */
- hostAddress = hostAddress.split("\\.", 2)[0];
+ String defaultIP = DNS.getDefaultIP(iface);
+ if (conf.getUseHostNameAsBookieID()) {
+ try {
+ hostAddress =
InetAddress.getByName(defaultIP).getCanonicalHostName();
+ } catch (Exception e) {
+ UnknownHostException unknownHostException =
+ new UnknownHostException("Unable to resolve
hostname for interface: " + iface);
+ unknownHostException.initCause(e);
+ throw unknownHostException;
+ }
+ if (defaultIP.equals(hostAddress)) {
+ throw new UnknownHostException("Unable to resolve hostname
for ip address: " + defaultIP);
+ }
+ if (conf.getUseShortHostName()) {
+ /*
+ * if short hostname is used, then FQDN is not used. Short
+ * hostname is the hostname cut at the first dot.
+ */
+ hostAddress = hostAddress.split("\\.", 2)[0];
+ }
+ } else {
+ hostAddress = defaultIP;
}
}
- BookieSocketAddress addr =
+ BookieSocketAddress bookieSocketAddress =
new BookieSocketAddress(hostAddress, conf.getBookiePort());
- if (addr.getSocketAddress().getAddress().isLoopbackAddress()
- && !conf.getAllowLoopback()) {
+ InetAddress inetAddress =
bookieSocketAddress.getSocketAddress().getAddress();
+ if (inetAddress == null) {
+ throw new UnknownHostException("Failed to resolve InetAddress for
host address: " + hostAddress);
+ }
+ if (inetAddress.isLoopbackAddress() && !conf.getAllowLoopback()) {
throw new UnknownHostException("Trying to listen on loopback
address, "
- + addr + " but this is forbidden by default "
+ + bookieSocketAddress + " but this is forbidden by default
"
+ "(see ServerConfiguration#getAllowLoopback()).\n"
+ "If this happen, you can consider specifying the network
interface"
+ " to listen on (e.g. listeningInterface=eth0) or
specifying the"
+ " advertised address (e.g.
advertisedAddress=172.x.y.z)");
}
- return addr;
+ return bookieSocketAddress;
}
public LedgerDirsManager getLedgerDirsManager() {
diff --git
a/bookkeeper-server/src/main/java/org/apache/bookkeeper/conf/ServerConfiguration.java
b/bookkeeper-server/src/main/java/org/apache/bookkeeper/conf/ServerConfiguration.java
index e970cd6b09..e549197513 100644
---
a/bookkeeper-server/src/main/java/org/apache/bookkeeper/conf/ServerConfiguration.java
+++
b/bookkeeper-server/src/main/java/org/apache/bookkeeper/conf/ServerConfiguration.java
@@ -1239,6 +1239,16 @@ public class ServerConfiguration extends
AbstractConfiguration<ServerConfigurati
return this;
}
+ /**
+ * Remove the configured BookieId for the bookie.
+ *
+ * @return server configuration
+ */
+ public ServerConfiguration removeBookieId() {
+ this.setProperty(BOOKIE_ID, null);
+ return this;
+ }
+
/**
* Get the configured advertised address for the bookie.
*
diff --git
a/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/BookieSocketAddressTest.java
b/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/BookieSocketAddressTest.java
new file mode 100644
index 0000000000..8962318486
--- /dev/null
+++
b/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/BookieSocketAddressTest.java
@@ -0,0 +1,77 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.bookkeeper.bookie;
+
+import static org.apache.bookkeeper.bookie.BookieImpl.getBookieAddress;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import com.google.common.net.InetAddresses;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import org.apache.bookkeeper.conf.ServerConfiguration;
+import org.apache.bookkeeper.net.BookieSocketAddress;
+import org.junit.Test;
+
+public class BookieSocketAddressTest {
+
+ private void testAdvertisedWithLoopbackAddress(String address) throws
UnknownHostException {
+ ServerConfiguration conf = new ServerConfiguration();
+ conf.setAdvertisedAddress(address);
+ conf.setAllowLoopback(false);
+ assertThatThrownBy(() ->
getBookieAddress(conf)).isExactlyInstanceOf(UnknownHostException.class);
+
+ conf.setAllowLoopback(true);
+ BookieSocketAddress bookieAddress = getBookieAddress(conf);
+ assertThat(bookieAddress.getHostName()).isEqualTo(address);
+ }
+
+ @Test
+ public void testAdvertisedWithLoopbackAddress() throws
UnknownHostException {
+ testAdvertisedWithLoopbackAddress("localhost");
+ testAdvertisedWithLoopbackAddress("127.0.0.1");
+ }
+
+ @Test
+ public void testAdvertisedWithNonLoopbackAddress() throws
UnknownHostException {
+ String hostAddress = InetAddress.getLocalHost().getHostAddress();
+ if (hostAddress == null) {
+ throw new UnknownHostException("Host address is null");
+ }
+ ServerConfiguration conf = new ServerConfiguration();
+ conf.setAllowLoopback(false);
+ conf.setAdvertisedAddress(hostAddress);
+ BookieSocketAddress bookieAddress = getBookieAddress(conf);
+ assertThat(bookieAddress.getHostName()).isEqualTo(hostAddress);
+ }
+
+ @Test
+ public void testBookieAddressIsIPAddressByDefault() throws
UnknownHostException {
+ ServerConfiguration conf = new ServerConfiguration();
+ BookieSocketAddress bookieAddress = getBookieAddress(conf);
+
assertThat(InetAddresses.isInetAddress(bookieAddress.getHostName())).isTrue();
+ }
+
+ @Test
+ public void testBookieAddressIsHostname() throws UnknownHostException {
+ ServerConfiguration conf = new ServerConfiguration();
+ conf.setUseHostNameAsBookieID(true);
+ BookieSocketAddress bookieAddress = getBookieAddress(conf);
+
assertThat(InetAddresses.isInetAddress(bookieAddress.getHostName())).isFalse();
+ }
+}
diff --git
a/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/CookieIndexDirTest.java
b/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/CookieIndexDirTest.java
index 3caf076082..16fbaced96 100644
---
a/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/CookieIndexDirTest.java
+++
b/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/CookieIndexDirTest.java
@@ -829,9 +829,10 @@ public class CookieIndexDirTest extends
BookKeeperClusterTestCase {
.setBookiePort(bookiePort)
.setMetadataServiceUri(zkUtil.getMetadataServiceUri());
conf.setUseHostNameAsBookieID(false);
+ conf.setAllowLoopback(true);
validateConfig(conf);
- conf.setAdvertisedAddress("unknown");
+ conf.setAdvertisedAddress("localhost");
try {
validateConfig(conf);
fail("Should not start a bookie with ip if the bookie has been
started with an ip");
diff --git
a/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/datainteg/CookieValidationTest.java
b/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/datainteg/CookieValidationTest.java
index 158bde903f..3fb74cbc2e 100644
---
a/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/datainteg/CookieValidationTest.java
+++
b/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/datainteg/CookieValidationTest.java
@@ -75,7 +75,8 @@ public class CookieValidationTest {
private static ServerConfiguration serverConf(boolean stampMissingCookies)
{
ServerConfiguration conf = new ServerConfiguration();
conf.setDataIntegrityStampMissingCookiesEnabled(stampMissingCookies);
- conf.setAdvertisedAddress("foobar");
+ conf.setAdvertisedAddress("localhost");
+ conf.setAllowLoopback(true);
return conf;
}
@@ -255,7 +256,7 @@ public class CookieValidationTest {
conf, regManager, new MockDataIntegrityCheck());
v1.checkCookies(dirs); // stamp original cookies
- conf.setAdvertisedAddress("barfoo");
+ conf.setBookieId("barfoo");
DataIntegrityCookieValidation v2 = new DataIntegrityCookieValidation(
conf, regManager, new MockDataIntegrityCheck());
try {
@@ -265,7 +266,7 @@ public class CookieValidationTest {
// expected
}
- conf.setAdvertisedAddress("foobar");
+ conf.removeBookieId();
DataIntegrityCookieValidation v3 = new DataIntegrityCookieValidation(
conf, regManager, new MockDataIntegrityCheck());
v3.checkCookies(dirs); // should succeed as the cookie is same as
before
diff --git
a/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/datainteg/DataIntegrityCheckTest.java
b/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/datainteg/DataIntegrityCheckTest.java
index 6d4c7a122f..4c6d1c9ba9 100644
---
a/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/datainteg/DataIntegrityCheckTest.java
+++
b/bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/datainteg/DataIntegrityCheckTest.java
@@ -105,7 +105,8 @@ public class DataIntegrityCheckTest {
private static ServerConfiguration serverConf() {
ServerConfiguration conf = new ServerConfiguration();
- conf.setAdvertisedAddress("foobar");
+ conf.setAdvertisedAddress("localhost");
+ conf.setAllowLoopback(true);
return conf;
}
