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-rw-r--r--distrib/gitblit.properties22
-rw-r--r--src/com/gitblit/LdapUserService.java84
-rw-r--r--src/com/gitblit/models/UserModel.java2
-rw-r--r--tests/com/gitblit/tests/LdapUserServiceTest.java67
-rw-r--r--tests/com/gitblit/tests/resources/ldapUserServiceSampleData.ldif20
5 files changed, 172 insertions, 23 deletions
diff --git a/distrib/gitblit.properties b/distrib/gitblit.properties
index 527b7268..62222d4e 100644
--- a/distrib/gitblit.properties
+++ b/distrib/gitblit.properties
@@ -221,6 +221,28 @@ realm.ldap.groupMemberPattern = (&(objectClass=group)(member=${dn}))
# SINCE 1.0.0
realm.ldap.admins= @Git_Admins
+# Attribute(s) on the USER record that indicate their display (or full) name. Leave blank
+# for no mapping available in LDAP
+#
+# This may be a single attribute, or a string of multiple attributes. Examples:
+# displayName - Uses the attribute 'displayName' on the user record
+# ${personalTitle}. ${givenName} ${surname} - Will concatenate the 3
+# attributes together, with a '.' after personalTitle
+#
+# SINCE 1.0.0
+realm.ldap.displayName= displayName
+
+# Attribute(s) on the USER record that indicate their email address. Leave blank
+# for no mapping available in LDAP
+#
+# This may be a single attribute, or a string of multiple attributes. Examples:
+# email - Uses the attribute 'email' on the user record
+# ${givenName}.${surname}@gitblit.com -Will concatenate the 2 attributes
+# together with a '.' and '@' creating something like first.last@gitblit.com
+#
+# SINCE 1.0.0
+realm.ldap.email = email
+
#
# Gitblit Web Settings
#
diff --git a/src/com/gitblit/LdapUserService.java b/src/com/gitblit/LdapUserService.java
index 86b61364..674e2a0d 100644
--- a/src/com/gitblit/LdapUserService.java
+++ b/src/com/gitblit/LdapUserService.java
@@ -137,7 +137,7 @@ public class LdapUserService extends GitblitUserService {
// Find the logging in user's DN
String accountBase = settings.getString(Keys.realm.ldap_accountBase, "");
String accountPattern = settings.getString(Keys.realm.ldap_accountPattern, "(&(objectClass=person)(sAMAccountName=${username}))");
- accountPattern = StringUtils.replace(accountPattern, "${username}", simpleUsername);
+ accountPattern = StringUtils.replace(accountPattern, "${username}", escapeLDAPSearchFilter(simpleUsername));
SearchResult result = doSearch(ldapConnection, accountBase, accountPattern);
if (result != null && result.getEntryCount() == 1) {
@@ -149,15 +149,15 @@ public class LdapUserService extends GitblitUserService {
UserModel user = getUserModel(simpleUsername);
if (user == null) // create user object for new authenticated user
- user = createUserFromLdap(simpleUsername, loggingInUser);
+ user = new UserModel(simpleUsername);
+
- user.password = "StoredInLDAP";
if (!supportsTeamMembershipChanges())
getTeamsFromLdap(ldapConnection, simpleUsername, loggingInUser, user);
- // Get Admin Attributes
- setAdminAttribute(user);
+ // Get User Attributes
+ setUserAttributes(user, loggingInUser);
// Push the ldap looked up values to backing file
super.updateUserModel(user);
@@ -186,6 +186,37 @@ public class LdapUserService extends GitblitUserService {
user.canAdmin = true;
}
}
+
+ private void setUserAttributes(UserModel user, SearchResultEntry userEntry) {
+ // Is this user an admin?
+ setAdminAttribute(user);
+
+ // Don't want visibility into the real password, make up a dummy
+ user.password = "StoredInLDAP";
+
+ // Get Attributes for full name / email
+ String displayName = settings.getString(Keys.realm.ldap_displayName, "displayName");
+ String email = settings.getString(Keys.realm.ldap_email, "email");
+
+ // Replace embedded ${} with attributes
+ if (displayName.contains("${")) {
+ for (Attribute userAttribute : userEntry.getAttributes())
+ displayName = StringUtils.replace(displayName, "${" + userAttribute.getName() + "}", userAttribute.getValue());
+
+ user.displayName = displayName;
+ } else {
+ user.displayName = userEntry.getAttribute(displayName).getValue();
+ }
+
+ if (email.contains("${")) {
+ for (Attribute userAttribute : userEntry.getAttributes())
+ email = StringUtils.replace(email, "${" + userAttribute.getName() + "}", userAttribute.getValue());
+
+ user.emailAddress = email;
+ } else {
+ user.emailAddress = userEntry.getAttribute(email).getValue();
+ }
+ }
private void getTeamsFromLdap(LDAPConnection ldapConnection, String simpleUsername, SearchResultEntry loggingInUser, UserModel user) {
String loggingInUserDN = loggingInUser.getDN();
@@ -194,12 +225,12 @@ public class LdapUserService extends GitblitUserService {
String groupBase = settings.getString(Keys.realm.ldap_groupBase, "");
String groupMemberPattern = settings.getString(Keys.realm.ldap_groupMemberPattern, "(&(objectClass=group)(member=${dn}))");
- groupMemberPattern = StringUtils.replace(groupMemberPattern, "${dn}", loggingInUserDN);
- groupMemberPattern = StringUtils.replace(groupMemberPattern, "${username}", simpleUsername);
+ groupMemberPattern = StringUtils.replace(groupMemberPattern, "${dn}", escapeLDAPSearchFilter(loggingInUserDN));
+ groupMemberPattern = StringUtils.replace(groupMemberPattern, "${username}", escapeLDAPSearchFilter(simpleUsername));
// Fill in attributes into groupMemberPattern
for (Attribute userAttribute : loggingInUser.getAttributes())
- groupMemberPattern = StringUtils.replace(groupMemberPattern, "${" + userAttribute.getName() + "}", userAttribute.getValue());
+ groupMemberPattern = StringUtils.replace(groupMemberPattern, "${" + userAttribute.getName() + "}", escapeLDAPSearchFilter(userAttribute.getValue()));
SearchResult teamMembershipResult = doSearch(ldapConnection, groupBase, groupMemberPattern);
if (teamMembershipResult != null && teamMembershipResult.getEntryCount() > 0) {
@@ -223,13 +254,6 @@ public class LdapUserService extends GitblitUserService {
return answer;
}
-
- private UserModel createUserFromLdap(String simpleUserName, SearchResultEntry userEntry) {
- UserModel answer = new UserModel(simpleUserName);
- //If attributes other than user name ever from from LDAP, this is where to get them
-
- return answer;
- }
private SearchResult doSearch(LDAPConnection ldapConnection, String base, String filter) {
try {
@@ -243,6 +267,7 @@ public class LdapUserService extends GitblitUserService {
private boolean isAuthenticated(LDAPConnection ldapConnection, String userDn, String password) {
try {
+ // Binding will stop any LDAP-Injection Attacks since the searched-for user needs to bind to that DN
ldapConnection.bind(userDn, password);
return true;
} catch (LDAPException e) {
@@ -263,6 +288,35 @@ public class LdapUserService extends GitblitUserService {
if (lastSlash > -1) {
username = username.substring(lastSlash + 1);
}
+
return username;
}
+
+ // From: https://www.owasp.org/index.php/Preventing_LDAP_Injection_in_Java
+ public static final String escapeLDAPSearchFilter(String filter) {
+ StringBuilder sb = new StringBuilder();
+ for (int i = 0; i < filter.length(); i++) {
+ char curChar = filter.charAt(i);
+ switch (curChar) {
+ case '\\':
+ sb.append("\\5c");
+ break;
+ case '*':
+ sb.append("\\2a");
+ break;
+ case '(':
+ sb.append("\\28");
+ break;
+ case ')':
+ sb.append("\\29");
+ break;
+ case '\u0000':
+ sb.append("\\00");
+ break;
+ default:
+ sb.append(curChar);
+ }
+ }
+ return sb.toString();
+ }
}
diff --git a/src/com/gitblit/models/UserModel.java b/src/com/gitblit/models/UserModel.java
index ecb97cfc..925edf91 100644
--- a/src/com/gitblit/models/UserModel.java
+++ b/src/com/gitblit/models/UserModel.java
@@ -37,6 +37,8 @@ public class UserModel implements Principal, Serializable, Comparable<UserModel>
// field names are reflectively mapped in EditUser page
public String username;
public String password;
+ public String displayName;
+ public String emailAddress;
public boolean canAdmin;
public boolean excludeFromFederation;
public final Set<String> repositories = new HashSet<String>();
diff --git a/tests/com/gitblit/tests/LdapUserServiceTest.java b/tests/com/gitblit/tests/LdapUserServiceTest.java
index 43af24f2..c7e95c36 100644
--- a/tests/com/gitblit/tests/LdapUserServiceTest.java
+++ b/tests/com/gitblit/tests/LdapUserServiceTest.java
@@ -16,12 +16,16 @@
*/
package com.gitblit.tests;
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
import java.util.HashMap;
import java.util.Map;
import org.junit.Before;
+import org.junit.BeforeClass;
import org.junit.Test;
import com.gitblit.LdapUserService;
@@ -30,7 +34,6 @@ import com.gitblit.tests.mock.MemorySettings;
import com.unboundid.ldap.listener.InMemoryDirectoryServer;
import com.unboundid.ldap.listener.InMemoryDirectoryServerConfig;
import com.unboundid.ldap.listener.InMemoryListenerConfig;
-import com.unboundid.ldap.sdk.LDAPConnection;
import com.unboundid.ldif.LDIFReader;
/**
@@ -44,20 +47,25 @@ public class LdapUserServiceTest {
private LdapUserService ldapUserService;
- @Before
- public void createInMemoryLdapServer() throws Exception {
+ @BeforeClass
+ public static void createInMemoryLdapServer() throws Exception {
InMemoryDirectoryServerConfig config = new InMemoryDirectoryServerConfig("dc=MyDomain");
config.addAdditionalBindCredentials("cn=Directory Manager", "password");
config.setListenerConfigs(InMemoryListenerConfig.createLDAPConfig("default", 389));
config.setSchema(null);
InMemoryDirectoryServer ds = new InMemoryDirectoryServer(config);
- ds.importFromLDIF(true, new LDIFReader(this.getClass().getResourceAsStream("resources/ldapUserServiceSampleData.ldif")));
+ ds.importFromLDIF(true, new LDIFReader(LdapUserServiceTest.class.getResourceAsStream("resources/ldapUserServiceSampleData.ldif")));
ds.startListening();
}
@Before
public void createLdapUserService() {
+ ldapUserService = new LdapUserService();
+ ldapUserService.setup(getSettings());
+ }
+
+ private MemorySettings getSettings() {
Map<Object, Object> backingMap = new HashMap<Object, Object>();
backingMap.put("realm.ldap.server", "ldap://localhost:389");
backingMap.put("realm.ldap.domain", "");
@@ -70,11 +78,11 @@ public class LdapUserServiceTest {
backingMap.put("realm.ldap.groupBase", "OU=Groups,OU=UserControl,OU=MyOrganization,DC=MyDomain");
backingMap.put("realm.ldap.groupPattern", "(&(objectClass=group)(member=${dn}))");
backingMap.put("realm.ldap.admins", "UserThree @Git_Admins \"@Git Admins\"");
+ backingMap.put("realm.ldap.displayName", "displayName");
+ backingMap.put("realm.ldap.email", "email");
MemorySettings ms = new MemorySettings(backingMap);
-
- ldapUserService = new LdapUserService();
- ldapUserService.setup(ms);
+ return ms;
}
@Test
@@ -101,5 +109,48 @@ public class LdapUserServiceTest {
assertNull(userThreeModel.getTeam("git_admins"));
assertTrue(userThreeModel.canAdmin);
}
+
+ @Test
+ public void testDisplayName() {
+ UserModel userOneModel = ldapUserService.authenticate("UserOne", "userOnePassword".toCharArray());
+ assertNotNull(userOneModel);
+ assertEquals("User One", userOneModel.displayName);
+
+ // Test more complicated scenarios - concat
+ MemorySettings ms = getSettings();
+ ms.put("realm.ldap.displayName", "${personalTitle}. ${givenName} ${surname}");
+ ldapUserService = new LdapUserService();
+ ldapUserService.setup(ms);
+
+ userOneModel = ldapUserService.authenticate("UserOne", "userOnePassword".toCharArray());
+ assertNotNull(userOneModel);
+ assertEquals("Mr. User One", userOneModel.displayName);
+ }
+
+ @Test
+ public void testEmail() {
+ UserModel userOneModel = ldapUserService.authenticate("UserOne", "userOnePassword".toCharArray());
+ assertNotNull(userOneModel);
+ assertEquals("userone@gitblit.com", userOneModel.emailAddress);
+
+ // Test more complicated scenarios - concat
+ MemorySettings ms = getSettings();
+ ms.put("realm.ldap.email", "${givenName}.${surname}@gitblit.com");
+ ldapUserService = new LdapUserService();
+ ldapUserService.setup(ms);
+
+ userOneModel = ldapUserService.authenticate("UserOne", "userOnePassword".toCharArray());
+ assertNotNull(userOneModel);
+ assertEquals("User.One@gitblit.com", userOneModel.emailAddress);
+ }
+
+ @Test
+ public void testLdapInjection() {
+ // Inject so "(&(objectClass=person)(sAMAccountName=${username}))" becomes "(&(objectClass=person)(sAMAccountName=*)(userPassword=userOnePassword))"
+ // Thus searching by password
+
+ UserModel userOneModel = ldapUserService.authenticate("*)(userPassword=userOnePassword", "userOnePassword".toCharArray());
+ assertNull(userOneModel);
+ }
}
diff --git a/tests/com/gitblit/tests/resources/ldapUserServiceSampleData.ldif b/tests/com/gitblit/tests/resources/ldapUserServiceSampleData.ldif
index 84ee243e..df79333e 100644
--- a/tests/com/gitblit/tests/resources/ldapUserServiceSampleData.ldif
+++ b/tests/com/gitblit/tests/resources/ldapUserServiceSampleData.ldif
@@ -62,6 +62,11 @@ objectClass: user
objectClass: person
sAMAccountName: UserOne
userPassword: userOnePassword
+displayName: User One
+givenName: User
+surname: One
+personalTitle: Mr
+email: userone@gitblit.com
memberOf: CN=Git_Admins,OU=Groups,OU=UserControl,OU=MyOrganization,DC=MyDomain
memberOf: CN=Git_Users,OU=Groups,OU=UserControl,OU=MyOrganization,DC=MyDomain
@@ -70,6 +75,11 @@ objectClass: user
objectClass: person
sAMAccountName: UserTwo
userPassword: userTwoPassword
+displayName: User Two
+givenName: User
+surname: Two
+personalTitle: Mr
+email: usertwo@gitblit.com
memberOf: CN=Git_Users,OU=Groups,OU=UserControl,OU=MyOrganization,DC=MyDomain
memberOf: CN=Git Admins,OU=Groups,OU=UserControl,OU=MyOrganization,DC=MyDomain
@@ -78,6 +88,11 @@ objectClass: user
objectClass: person
sAMAccountName: UserThree
userPassword: userThreePassword
+displayName: User Three
+givenName: User
+surname: Three
+personalTitle: Mrs
+email: userthree@gitblit.com
memberOf: CN=Git_Users,OU=Groups,OU=UserControl,OU=MyOrganization,DC=MyDomain
dn: CN=UserFour,OU=Canada,OU=Users,OU=UserControl,OU=MyOrganization,DC=MyDomain
@@ -85,4 +100,9 @@ objectClass: user
objectClass: person
sAMAccountName: UserFour
userPassword: userFourPassword
+displayName: User Four
+givenName: User
+surname: Four
+personalTitle: Miss
+email: userfour@gitblit.com
memberOf: CN=Git_Users,OU=Groups,OU=UserControl,OU=MyOrganization,DC=MyDomain \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-09 10:19:24 +0000