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Type: Bug
Resolution: Done
Priority: Critical
Fix Version/s: 11.0.0.Final
Affects Version/s: 11.0.0.Alpha1
Component/s: Security
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Steps to Reproduce:
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1) start server with standalone-elytron.xml
2) use following CLI commands for setting LDAP authentication for application

/subsystem=elytron/dir-context=local-ldap:add(url="ldap://127.0.0.1:10389",principal="uid=admin,ou=system",credential="secret") /subsystem=elytron/ldap-realm=ldap-auth:add(dir-context=local-ldap,identity-mapping={rdn-identifier=uid,search-base-dn="ou=People,dc=jboss,dc=org",user-password-mapper={from="userPassword",writable=true,verifiable=true},attribute-mapping=[{from=cn,to=myRole,filter="(member={0})",filter-base-dn="ou=Roles,dc=jboss,dc=org"}]}) /subsystem=elytron/simple-role-decoder=myRole-to-role:add(attribute=myRole) /subsystem=elytron/security-domain=LdapAuth:add(default-realm=ldap-auth,permission-mapper=login-permission-mapper,role-mapper=combined-role-mapper,realms=[{realm=ldap-auth,role-decoder=myRole-to-role}]) /subsystem=elytron/http-authentication-factory=ldap-http-authentication:add(http-server-mechanism-factory=global,security-domain=LdapAuth,mechanism-configurations=[{mechanism-name=BASIC,mechanism-realm-configurations=[{realm-name="Ldap Realm"}]}]) /subsystem=undertow/application-security-domain=ldap:add(http-authentication-factory=ldap-http-authentication)

3) start LDAP server (it must be same server as was added to dir-context) with following ldif:

dn: ou=People,dc=jboss,dc=org objectclass: top objectclass: organizationalUnit ou: People dn: uid=jduke,ou=People,dc=jboss,dc=org objectclass: top objectclass: person objectclass: inetOrgPerson uid: jduke cn: Java Duke sn: Duke userPassword: Password dn: ou=Roles,dc=jboss,dc=org objectclass: top objectclass: organizationalUnit ou: Roles dn: cn=JBossAdmin,ou=Roles,dc=jboss,dc=org objectclass: top objectclass: groupOfNames cn: JBossAdmin member: uid=jduke,ou=People,dc=jboss,dc=org description: the JBossAdmin group

4) deploy testing application (see Jira attachments) and login to http://127.0.0.1:8080/print-roles/protected/printRoles?role=JBossAdmin, use jduke/Password credentials -> login succeed
5) stop LDAP server
6) use another session and try to login to print-roles application again -> since LDAP server is down, Internal server error is returned and exception occurs in server log
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1) start server with standalone-elytron.xml 2) use following CLI commands for setting LDAP authentication for application /subsystem=elytron/dir-context=local-ldap:add(url= "ldap: //127.0.0.1:10389" ,principal= "uid=admin,ou=system" ,credential= "secret" ) /subsystem=elytron/ldap-realm=ldap-auth:add(dir-context=local-ldap,identity-mapping={rdn-identifier=uid,search-base-dn= "ou=People,dc=jboss,dc=org" ,user-password-mapper={from= "userPassword" ,writable= true ,verifiable= true },attribute-mapping=[{from=cn,to=myRole,filter= "(member={0})" ,filter-base-dn= "ou=Roles,dc=jboss,dc=org" }]}) /subsystem=elytron/simple-role-decoder=myRole-to-role:add(attribute=myRole) /subsystem=elytron/security-domain=LdapAuth:add( default -realm=ldap-auth,permission-mapper=login-permission-mapper,role-mapper=combined-role-mapper,realms=[{realm=ldap-auth,role-decoder=myRole-to-role}]) /subsystem=elytron/http-authentication-factory=ldap-http-authentication:add(http-server-mechanism-factory=global,security-domain=LdapAuth,mechanism-configurations=[{mechanism-name=BASIC,mechanism-realm-configurations=[{realm-name= "Ldap Realm" }]}]) /subsystem=undertow/application-security-domain=ldap:add(http-authentication-factory=ldap-http-authentication) 3) start LDAP server (it must be same server as was added to dir-context) with following ldif: dn: ou=People,dc=jboss,dc=org objectclass: top objectclass: organizationalUnit ou: People dn: uid=jduke,ou=People,dc=jboss,dc=org objectclass: top objectclass: person objectclass: inetOrgPerson uid: jduke cn: Java Duke sn: Duke userPassword: Password dn: ou=Roles,dc=jboss,dc=org objectclass: top objectclass: organizationalUnit ou: Roles dn: cn=JBossAdmin,ou=Roles,dc=jboss,dc=org objectclass: top objectclass: groupOfNames cn: JBossAdmin member: uid=jduke,ou=People,dc=jboss,dc=org description: the JBossAdmin group 4) deploy testing application (see Jira attachments) and login to http://127.0.0.1:8080/print-roles/protected/printRoles?role=JBossAdmin , use jduke/Password credentials -> login succeed 5) stop LDAP server 6) use another session and try to login to print-roles application again -> since LDAP server is down, Internal server error is returned and exception occurs in server log

In case when application uses authentication through Elytron ldap-realm and used LDAP server is unreachable then Internal server error (status code 500) is returned during authentication to the client.

Exception in server log:

ERROR [io.undertow.request] (default task-10) UT005023: Exception handling request to /print-roles/protected/printRoles: java.lang.RuntimeException: ELY01078: Ldap-backed realm failed to obtain identity "jduke" from server
	at org.wildfly.security.auth.realm.ldap.LdapSecurityRealm$LdapRealmIdentity.getIdentity(LdapSecurityRealm.java:564)
	at org.wildfly.security.auth.realm.ldap.LdapSecurityRealm$LdapRealmIdentity.exists(LdapSecurityRealm.java:545)
	at org.wildfly.security.auth.realm.ldap.LdapSecurityRealm$LdapRealmIdentity.verifyEvidence(LdapSecurityRealm.java:513)
	at org.wildfly.security.auth.server.ServerAuthenticationContext$NameAssignedState.verifyEvidence(ServerAuthenticationContext.java:1634)
	at org.wildfly.security.auth.server.ServerAuthenticationContext.verifyEvidence(ServerAuthenticationContext.java:654)
	at org.wildfly.security.auth.server.ServerAuthenticationContext$1.handleOne(ServerAuthenticationContext.java:818)
	at org.wildfly.security.auth.server.ServerAuthenticationContext$1.handleOne(ServerAuthenticationContext.java:752)
	at org.wildfly.security.auth.server.ServerAuthenticationContext$1.handleOne(ServerAuthenticationContext.java:850)
	at org.wildfly.security.auth.server.ServerAuthenticationContext$1.handle(ServerAuthenticationContext.java:703)
	at org.wildfly.security.http.util.SecurityIdentityServerMechanismFactory$SecurityIdentityCallbackHandler.handle(SecurityIdentityServerMechanismFactory.java:113)
	at org.wildfly.security.http.impl.UsernamePasswordAuthenticationMechanism.authenticate(UsernamePasswordAuthenticationMechanism.java:69)
	at org.wildfly.security.http.impl.BasicAuthenticationMechanism.evaluateRequest(BasicAuthenticationMechanism.java:151)
	at org.wildfly.security.http.util.SetMechanismInformationMechanismFactory$1.evaluateRequest(SetMechanismInformationMechanismFactory.java:115)
	at org.wildfly.security.http.util.SecurityIdentityServerMechanismFactory$1.evaluateRequest(SecurityIdentityServerMechanismFactory.java:77)
	at org.wildfly.security.http.HttpAuthenticator$AuthenticationExchange.authenticate(HttpAuthenticator.java:106)
	at org.wildfly.security.http.HttpAuthenticator$AuthenticationExchange.access$100(HttpAuthenticator.java:90)
	at org.wildfly.security.http.HttpAuthenticator.authenticate(HttpAuthenticator.java:74)
	at org.wildfly.elytron.web.undertow.server.SecurityContextImpl.authenticate(SecurityContextImpl.java:82)
	at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:55)
	at io.undertow.server.handlers.DisableCacheHandler.handleRequest(DisableCacheHandler.java:33)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53)
	at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
	at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
	at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59)
	at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
	at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1671)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1671)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1671)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1671)
	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:207)
	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:810)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: javax.naming.CommunicationException: 127.0.0.1:10389 [Root exception is java.net.ConnectException: Connection refused]
	at com.sun.jndi.ldap.Connection.<init>(Connection.java:216)
	at com.sun.jndi.ldap.LdapClient.<init>(LdapClient.java:137)
	at com.sun.jndi.ldap.LdapClient.getInstance(LdapClient.java:1613)
	at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2746)
	at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:319)
	at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:192)
	at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:210)
	at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:153)
	at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:83)
	at org.jboss.as.naming.InitialContext.getDefaultInitCtx(InitialContext.java:114)
	at org.jboss.as.naming.InitialContext.init(InitialContext.java:99)
	at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:154)
	at org.jboss.as.naming.InitialContext.<init>(InitialContext.java:89)
	at org.jboss.as.naming.InitialContextFactory.getInitialContext(InitialContextFactory.java:43)
	at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
	at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313)
	at javax.naming.InitialContext.init(InitialContext.java:244)
	at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:154)
	at org.wildfly.security.auth.realm.ldap.SimpleDirContextFactoryBuilder$SimpleDirContextFactory.createDirContext(SimpleDirContextFactoryBuilder.java:286)
	at org.wildfly.security.auth.realm.ldap.SimpleDirContextFactoryBuilder$SimpleDirContextFactory.obtainDirContext(SimpleDirContextFactoryBuilder.java:222)
	at org.wildfly.extension.elytron.DirContextDefinition.lambda$null$0(DirContextDefinition.java:148)
	at org.wildfly.extension.elytron.LdapRealmDefinition$RealmAddHandler.lambda$configureDirContext$0(LdapRealmDefinition.java:393)
	at org.wildfly.security.auth.realm.ldap.LdapSecurityRealm$LdapRealmIdentity.getIdentity(LdapSecurityRealm.java:562)
	... 45 more
Caused by: java.net.ConnectException: Connection refused
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at com.sun.jndi.ldap.Connection.createSocket(Connection.java:350)
	at com.sun.jndi.ldap.Connection.<init>(Connection.java:203)
	... 67 more

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JBEAP-6402 Wrong HTTP error code for Elytron authentication when LDAP server is unreachable

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