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GUACAMOLE-234: Merge fixes for LDAP resource leak regressions.

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This commit is contained in:
Mike Jumper
2019-08-12 10:15:13 -07:00
committed by GitHub
parent 1d205fd451 749da7d29c
commit c643fe9610
2 changed files with 17 additions and 28 deletions
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16
extensions/guacamole-auth-ldap/src/main/java/org/apache/guacamole/auth/ldap/LDAPConnectionService.java
View File

@@ -128,10 +128,8 @@ public class LDAPConnectionService {
public LdapNetworkConnection bindAs(Dn userDN, String password) public LdapNetworkConnection bindAs(Dn userDN, String password)
throws GuacamoleException { throws GuacamoleException {
// Obtain appropriately-configured LdapNetworkConnection instance // Get ldapConnection and try to connect and bind.
LdapNetworkConnection ldapConnection = createLDAPConnection(); try (LdapNetworkConnection ldapConnection = createLDAPConnection()) {
try {
// Connect to LDAP server // Connect to LDAP server
ldapConnection.connect(); ldapConnection.connect();
@@ -140,14 +138,7 @@ public class LDAPConnectionService {
if (confService.getEncryptionMethod() == EncryptionMethod.STARTTLS) if (confService.getEncryptionMethod() == EncryptionMethod.STARTTLS)
ldapConnection.startTls(); ldapConnection.startTls();
} // Bind using provided credentials
catch (LdapException e) {
throw new GuacamoleServerException("Error connecting to LDAP server.", e);
}
// Bind using provided credentials
try {
BindRequest bindRequest = new BindRequestImpl(); BindRequest bindRequest = new BindRequestImpl();
bindRequest.setDn(userDN); bindRequest.setDn(userDN);
bindRequest.setCredentials(password); bindRequest.setCredentials(password);
@@ -165,7 +156,6 @@ public class LDAPConnectionService {
// Disconnect if an error occurs during bind // Disconnect if an error occurs during bind
catch (LdapException e) { catch (LdapException e) {
logger.debug("Unable to bind to LDAP server.", e); logger.debug("Unable to bind to LDAP server.", e);
disconnect(ldapConnection);
throw new GuacamoleInvalidCredentialsException( throw new GuacamoleInvalidCredentialsException(
"Unable to bind to the LDAP server.", "Unable to bind to the LDAP server.",
CredentialsInfo.USERNAME_PASSWORD); CredentialsInfo.USERNAME_PASSWORD);

29
extensions/guacamole-auth-ldap/src/main/java/org/apache/guacamole/auth/ldap/ObjectQueryService.java
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@@ -20,6 +20,7 @@
package org.apache.guacamole.auth.ldap; package org.apache.guacamole.auth.ldap;
import com.google.inject.Inject; import com.google.inject.Inject;
import java.io.IOException;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collection; import java.util.Collection;
import java.util.HashMap; import java.util.HashMap;
@@ -188,26 +189,24 @@ public class ObjectQueryService {
logger.debug("Searching \"{}\" for objects matching \"{}\".", baseDN, query); logger.debug("Searching \"{}\" for objects matching \"{}\".", baseDN, query);
try { LdapConnectionConfig ldapConnectionConfig = ldapConnection.getConfig();
LdapConnectionConfig ldapConnectionConfig = ldapConnection.getConfig();
// Search within subtree of given base DN // Search within subtree of given base DN
SearchRequest request = ldapService.getSearchRequest(baseDN, SearchRequest request = ldapService.getSearchRequest(baseDN,
query); query);
SearchCursor results = ldapConnection.search(request); // Produce list of all entries in the search result, automatically
// following referrals if configured to do so
// Produce list of all entries in the search result, automatically List<Entry> entries = new ArrayList<>();
// following referrals if configured to do so
List<Entry> entries = new ArrayList<>(); try (SearchCursor results = ldapConnection.search(request)) {
while (results.next()) { while (results.next()) {
if (results.isEntry()) { if (results.isEntry()) {
entries.add(results.getEntry()); entries.add(results.getEntry());
} }
else if (results.isReferral() && request.isFollowReferrals()) { else if (results.isReferral() && request.isFollowReferrals()) {
Referral referral = results.getReferral(); Referral referral = results.getReferral();
for (String url : referral.getLdapUrls()) { for (String url : referral.getLdapUrls()) {
LdapNetworkConnection referralConnection = LdapNetworkConnection referralConnection =
@@ -218,15 +217,15 @@ public class ObjectQueryService {
entries.addAll(search(referralConnection, baseDN, query, entries.addAll(search(referralConnection, baseDN, query,
searchHop)); searchHop));
} }
} }
} }
return entries; return entries;
} }
catch (CursorException | LdapException e) { catch (CursorException | IOException | LdapException e) {
throw new GuacamoleServerException("Unable to query list of " throw new GuacamoleServerException("Unable to query list of "
+ "objects from LDAP directory.", e); + "objects from LDAP directory.", e);
} }