Fix access to ldap configuration files on non-controller (workstation) systems

(cherry picked from commit b2d89e08d0)

src/libtdeldap.cpp

@@ -2860,9 +2860,19 @@ int LDAPManager::writeLDAPConfFile(LDAPRealmConfig realmcfg, LDAPMachineRole mac
 
 	delete systemconfig;
 
-	if (chmod(KDE_CONFDIR "/ldap/ldapconfigrc", S_IRUSR|S_IWUSR|S_IRGRP) < 0) {
+	if ((machineRole == ROLE_PRIMARY_REALM_CONTROLLER) || (machineRole == ROLE_SECONDARY_REALM_CONTROLLER)) {
-		if (errstr) *errstr = TQString("Unable to change permissions of \"%1\"").arg(KDE_CONFDIR "/ldap/ldapconfigrc");
+		// The file may contain multi-master replication secrets, therefore only root should be able to read it
-		return -1;
+		if (chmod(KDE_CONFDIR "/ldap/ldapconfigrc", S_IRUSR|S_IWUSR|S_IRGRP) < 0) {
+			if (errstr) *errstr = TQString("Unable to change permissions of \"%1\"").arg(KDE_CONFDIR "/ldap/ldapconfigrc");
+			return -1;
+		}
+	}
+	else {
+		// Normal users should be allowed to read realm configuration data in order to launch realm administration utilities
+		if (chmod(KDE_CONFDIR "/ldap/ldapconfigrc", S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) < 0) {
+			if (errstr) *errstr = TQString("Unable to change permissions of \"%1\"").arg(KDE_CONFDIR "/ldap/ldapconfigrc");
+			return -1;
+		}
 	}
 
 	return 0;