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SEC-2449: <ldap-server> default port should fallback to dynamic value

This commit is contained in:
Rob Winch 2013-12-13 17:19:43 -06:00
parent 54ffa28bde
commit 04fac30d75
2 changed files with 52 additions and 6 deletions
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24
config/src/integration-test/java/org/springframework/security/config/ldap/LdapServerBeanDefinitionParserTests.java
View File

@ -12,7 +12,10 @@
*/
package org.springframework.security.config.ldap;
import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.net.ServerSocket;
import org.junit.After;
import org.junit.Test;
@ -50,10 +53,11 @@ public class LdapServerBeanDefinitionParserTests {
}
@Test
public void useOfUrlAttributeCreatesCorrectContextSource() {
public void useOfUrlAttributeCreatesCorrectContextSource() throws Exception {
int port = getDefaultPort();
// Create second "server" with a url pointing at embedded one
appCtx = new InMemoryXmlApplicationContext("<ldap-server ldif='classpath:test-server.ldif' port='33388'/>" +
"<ldap-server ldif='classpath:test-server.ldif' id='blah' url='ldap://127.0.0.1:33388/dc=springframework,dc=org' />");
appCtx = new InMemoryXmlApplicationContext("<ldap-server ldif='classpath:test-server.ldif' port='" + port + "'/>" +
"<ldap-server ldif='classpath:test-server.ldif' id='blah' url='ldap://127.0.0.1:" + port + "/dc=springframework,dc=org' />");
// Check the default context source is still there.
appCtx.getBean(BeanIds.CONTEXT_SOURCE);
@ -83,4 +87,16 @@ public class LdapServerBeanDefinitionParserTests {
assertEquals("classpath*:*.ldif", ReflectionTestUtils.getField(dsContainer, "ldifResources"));
}
private int getDefaultPort() throws IOException {
ServerSocket server = null;
try {
server = new ServerSocket(0);
return server.getLocalPort();
} finally {
try {
server.close();
} catch(IOException e) {}
}
}
}

34
config/src/main/java/org/springframework/security/config/ldap/LdapServerBeanDefinitionParser.java
View File

@ -1,5 +1,8 @@
package org.springframework.security.config.ldap;
import java.io.IOException;
import java.net.ServerSocket;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.config.BeanDefinition;
@ -9,6 +12,7 @@ import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.security.config.BeanIds;
import org.springframework.security.ldap.server.ApacheDSContainer;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;
@ -40,7 +44,8 @@ public class LdapServerBeanDefinitionParser implements BeanDefinitionParser {
/** Defines the port the LDAP_PROVIDER server should run on */
public static final String ATT_PORT = "port";
public static final String OPT_DEFAULT_PORT = "33389";
private static final int DEFAULT_PORT = 33389;
public static final String OPT_DEFAULT_PORT = String.valueOf(DEFAULT_PORT);
public BeanDefinition parse(Element elt, ParserContext parserContext) {
@ -101,7 +106,10 @@ public class LdapServerBeanDefinitionParser implements BeanDefinitionParser {
String port = element.getAttribute(ATT_PORT);
if (!StringUtils.hasText(port)) {
port = OPT_DEFAULT_PORT;
port = getDefaultPort();
if(logger.isDebugEnabled()) {
logger.debug("Using default port of " + port);
}
}
String url = "ldap://127.0.0.1:" + port + "/" + suffix;
@ -134,4 +142,26 @@ public class LdapServerBeanDefinitionParser implements BeanDefinitionParser {
return (RootBeanDefinition) contextSource.getBeanDefinition();
}
private String getDefaultPort() {
ServerSocket serverSocket = null;
try {
try {
serverSocket = new ServerSocket(DEFAULT_PORT);
} catch (IOException e) {
try {
serverSocket = new ServerSocket(0);
} catch(IOException e2) {
return String.valueOf(DEFAULT_PORT);
}
}
return String.valueOf(serverSocket.getLocalPort());
} finally {
if(serverSocket != null) {
try {
serverSocket.close();
} catch (IOException e) {}
}
}
}
}