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authorArthur Schiwon <blizzz@arthur-schiwon.de>2019-03-02 00:36:08 +0100
committerArthur Schiwon <blizzz@arthur-schiwon.de>2019-03-05 11:07:40 +0100
commit5dd2207c958ff70d4b0c8801cc29c3295f76f725 (patch)
tree3be25c7611472b6d2dabc679a1d61cc3dca5ae8b
parent459b8a4845686522476241f3287fc140b8288090 (diff)
downloadnextcloud-server-5dd2207c958ff70d4b0c8801cc29c3295f76f725.tar.gz
nextcloud-server-5dd2207c958ff70d4b0c8801cc29c3295f76f725.zip
fix nested group retrieval also for 2 other cases
and also consolidate logic in one method Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>
-rw-r--r--.drone.yml2
-rw-r--r--apps/user_ldap/lib/Connection.php3
-rw-r--r--apps/user_ldap/lib/Group_LDAP.php136
-rw-r--r--apps/user_ldap/tests/Group_LDAPTest.php56
-rw-r--r--build/integration/ldap_features/ldap-openldap.feature58
-rw-r--r--build/integration/ldap_features/openldap-numerical-id.feature35
6 files changed, 205 insertions, 85 deletions
diff --git a/.drone.yml b/.drone.yml
index e3cfc2d7be5..f821333ee91 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1049,7 +1049,7 @@ services:
matrix:
TESTS: acceptance
openldap:
- image: nextcloudci/openldap:openldap-6
+ image: nextcloudci/openldap:openldap-7
environment:
- SLAPD_DOMAIN=nextcloud.ci
- SLAPD_ORGANIZATION=Nextcloud
diff --git a/apps/user_ldap/lib/Connection.php b/apps/user_ldap/lib/Connection.php
index ba393dffc12..4335f8e4397 100644
--- a/apps/user_ldap/lib/Connection.php
+++ b/apps/user_ldap/lib/Connection.php
@@ -62,6 +62,9 @@ use OCP\ILogger;
* @property string ldapEmailAttribute
* @property string ldapExtStorageHomeAttribute
* @property string homeFolderNamingRule
+ * @property bool|string ldapNestedGroups
+ * @property string[] ldapBaseGroups
+ * @property string ldapGroupFilter
*/
class Connection extends LDAPUtility {
private $ldapConnectionRes = null;
diff --git a/apps/user_ldap/lib/Group_LDAP.php b/apps/user_ldap/lib/Group_LDAP.php
index 2e3bc0b4a5c..1658807c0dd 100644
--- a/apps/user_ldap/lib/Group_LDAP.php
+++ b/apps/user_ldap/lib/Group_LDAP.php
@@ -218,12 +218,12 @@ class Group_LDAP extends BackendUtility implements \OCP\GroupInterface, IGroupLD
*/
private function _groupMembers($dnGroup, &$seen = null) {
if ($seen === null) {
- $seen = array();
+ $seen = [];
}
- $allMembers = array();
+ $allMembers = [];
if (array_key_exists($dnGroup, $seen)) {
// avoid loops
- return array();
+ return [];
}
// used extensively in cron job, caching makes sense for nested groups
$cacheKey = '_groupMembers'.$dnGroup;
@@ -232,19 +232,12 @@ class Group_LDAP extends BackendUtility implements \OCP\GroupInterface, IGroupLD
return $groupMembers;
}
$seen[$dnGroup] = 1;
- $members = $this->access->readAttribute($dnGroup, $this->access->connection->ldapGroupMemberAssocAttr,
- $this->access->connection->ldapGroupFilter);
+ $members = $this->access->readAttribute($dnGroup, $this->access->connection->ldapGroupMemberAssocAttr);
if (is_array($members)) {
- foreach ($members as $member) {
- $allMembers[$member] = 1;
- $nestedGroups = $this->access->connection->ldapNestedGroups;
- if (!empty($nestedGroups)) {
- $subMembers = $this->_groupMembers($member, $seen);
- if ($subMembers) {
- $allMembers += $subMembers;
- }
- }
- }
+ $fetcher = function($memberDN, &$seen) {
+ return $this->_groupMembers($memberDN, $seen);
+ };
+ $allMembers = $this->walkNestedGroups($dnGroup, $fetcher, $members);
}
$allMembers += $this->getDynamicGroupMembers($dnGroup);
@@ -257,40 +250,69 @@ class Group_LDAP extends BackendUtility implements \OCP\GroupInterface, IGroupLD
* @param string $DN
* @param array|null &$seen
* @return array
+ * @throws \OC\ServerNotAvailableException
*/
private function _getGroupDNsFromMemberOf($DN) {
$groups = $this->access->readAttribute($DN, 'memberOf');
if (!is_array($groups)) {
- return array();
+ return [];
}
- $nestedGroups = (int) $this->access->connection->ldapNestedGroups;
- if ($nestedGroups === 1) {
- $seen = array();
- while ($group = array_pop($groups)) {
- if ($group === $DN || array_key_exists($group, $seen)) {
- // Prevent loops
- continue;
+
+ $fetcher = function($groupDN) {
+ if (isset($this->cachedNestedGroups[$groupDN])) {
+ $nestedGroups = $this->cachedNestedGroups[$groupDN];
+ } else {
+ $nestedGroups = $this->access->readAttribute($groupDN, 'memberOf');
+ if (!is_array($nestedGroups)) {
+ $nestedGroups = [];
}
- $seen[$group] = 1;
+ $this->cachedNestedGroups[$groupDN] = $nestedGroups;
+ }
+ return $nestedGroups;
+ };
- // Resolve nested groups
- if (isset($cachedNestedGroups[$group])) {
- $nestedGroups = $cachedNestedGroups[$group];
- } else {
- $nestedGroups = $this->access->readAttribute($group, 'memberOf');
- if (!is_array($nestedGroups)) {
- $nestedGroups = [];
+ $groups = $this->walkNestedGroups($DN, $fetcher, $groups);
+ return $this->access->groupsMatchFilter($groups);
+ }
+
+ /**
+ * @param string $dn
+ * @param \Closure $fetcher args: string $dn, array $seen, returns: string[] of dns
+ * @param array $list
+ * @return array
+ */
+ private function walkNestedGroups(string $dn, \Closure $fetcher, array $list): array {
+ $nesting = (int) $this->access->connection->ldapNestedGroups;
+ // depending on the input, we either have a list of DNs or a list of LDAP records
+ // also, the output expects either DNs or records. Testing the first element should suffice.
+ $recordMode = is_array($list) && isset($list[0]) && is_array($list[0]) && isset($list[0]['dn'][0]);
+
+ if ($nesting !== 1) {
+ if($recordMode) {
+ // the keys are numeric, but should hold the DN
+ return array_reduce($list, function ($transformed, $record) use ($dn) {
+ if($record['dn'][0] != $dn) {
+ $transformed[$record['dn'][0]] = $record;
}
- $cachedNestedGroups[$group] = $nestedGroups;
- }
- foreach ($nestedGroups as $nestedGroup) {
- array_push($groups, $nestedGroup);
- }
+ return $transformed;
+ }, []);
}
- // Get unique group DN's from those we have visited in the loop
- $groups = array_keys($seen);
+ return $list;
}
- return $this->access->groupsMatchFilter($groups);
+
+ $seen = [];
+ while ($record = array_pop($list)) {
+ $recordDN = $recordMode ? $record['dn'][0] : $record;
+ if ($recordDN === $dn || array_key_exists($recordDN, $seen)) {
+ // Prevent loops
+ continue;
+ }
+ $fetched = $fetcher($record, $seen);
+ $list = array_merge($list, $fetched);
+ $seen[$recordDN] = $record;
+ }
+
+ return $recordMode ? $seen : array_keys($seen);
}
/**
@@ -753,34 +775,28 @@ class Group_LDAP extends BackendUtility implements \OCP\GroupInterface, IGroupLD
*/
private function getGroupsByMember($dn, &$seen = null) {
if ($seen === null) {
- $seen = array();
+ $seen = [];
}
- $allGroups = array();
if (array_key_exists($dn, $seen)) {
// avoid loops
- return array();
+ return [];
}
+ $allGroups = [];
$seen[$dn] = true;
- $filter = $this->access->combineFilterWithAnd(array(
- $this->access->connection->ldapGroupFilter,
- $this->access->connection->ldapGroupMemberAssocAttr.'='.$dn
- ));
+ $filter = $this->access->connection->ldapGroupMemberAssocAttr.'='.$dn;
$groups = $this->access->fetchListOfGroups($filter,
- array($this->access->connection->ldapGroupDisplayName, 'dn'));
+ [$this->access->connection->ldapGroupDisplayName, 'dn']);
if (is_array($groups)) {
- foreach ($groups as $groupobj) {
- $groupDN = $groupobj['dn'][0];
- $allGroups[$groupDN] = $groupobj;
- $nestedGroups = $this->access->connection->ldapNestedGroups;
- if (!empty($nestedGroups)) {
- $supergroups = $this->getGroupsByMember($groupDN, $seen);
- if (is_array($supergroups) && (count($supergroups)>0)) {
- $allGroups = array_merge($allGroups, $supergroups);
- }
+ $fetcher = function ($dn, &$seen) {
+ if(is_array($dn) && isset($dn['dn'][0])) {
+ $dn = $dn['dn'][0];
}
- }
+ return $this->getGroupsByMember($dn, $seen);
+ };
+ $allGroups = $this->walkNestedGroups($dn, $fetcher, $groups);
}
- return $allGroups;
+ $visibleGroups = $this->access->groupsMatchFilter(array_keys($allGroups));
+ return array_intersect_key($allGroups, array_flip($visibleGroups));
}
/**
@@ -827,7 +843,7 @@ class Group_LDAP extends BackendUtility implements \OCP\GroupInterface, IGroupLD
$primaryUsers = $this->getUsersInPrimaryGroup($groupDN, $search, $limit, $offset);
$posixGroupUsers = $this->getUsersInGidNumber($groupDN, $search, $limit, $offset);
- $members = array_keys($this->_groupMembers($groupDN));
+ $members = $this->_groupMembers($groupDN);
if(!$members && empty($posixGroupUsers) && empty($primaryUsers)) {
//in case users could not be retrieved, return empty result set
$this->access->connection->writeToCache($cacheKey, []);
@@ -902,7 +918,7 @@ class Group_LDAP extends BackendUtility implements \OCP\GroupInterface, IGroupLD
return false;
}
- $members = array_keys($this->_groupMembers($groupDN));
+ $members = $this->_groupMembers($groupDN);
$primaryUserCount = $this->countUsersInPrimaryGroup($groupDN, '');
if(!$members && $primaryUserCount === 0) {
//in case users could not be retrieved, return empty result set
diff --git a/apps/user_ldap/tests/Group_LDAPTest.php b/apps/user_ldap/tests/Group_LDAPTest.php
index 0c5a06144a0..870dddf1bd8 100644
--- a/apps/user_ldap/tests/Group_LDAPTest.php
+++ b/apps/user_ldap/tests/Group_LDAPTest.php
@@ -39,6 +39,7 @@ use OCA\User_LDAP\Connection;
use OCA\User_LDAP\Group_LDAP as GroupLDAP;
use OCA\User_LDAP\ILDAPWrapper;
use OCA\User_LDAP\User\Manager;
+use function SebastianBergmann\GlobalState\functions;
use Test\TestCase;
/**
@@ -98,16 +99,27 @@ class Group_LDAPTest extends TestCase {
public function testCountEmptySearchString() {
$access = $this->getAccessMock();
$pluginManager = $this->getPluginManagerMock();
+ $groupDN = 'cn=group,dc=foo,dc=bar';
$this->enableGroups($access);
$access->expects($this->any())
->method('groupname2dn')
- ->will($this->returnValue('cn=group,dc=foo,dc=bar'));
+ ->will($this->returnValue($groupDN));
$access->expects($this->any())
->method('readAttribute')
- ->will($this->returnValue(array('u11', 'u22', 'u33', 'u34')));
+ ->willReturnCallback(function($dn) use ($groupDN) {
+ if($dn === $groupDN) {
+ return [
+ 'uid=u11,ou=users,dc=foo,dc=bar',
+ 'uid=u22,ou=users,dc=foo,dc=bar',
+ 'uid=u33,ou=users,dc=foo,dc=bar',
+ 'uid=u34,ou=users,dc=foo,dc=bar'
+ ];
+ }
+ return [];
+ });
// for primary groups
$access->expects($this->once())
@@ -132,7 +144,7 @@ class Group_LDAPTest extends TestCase {
$access->expects($this->any())
->method('fetchListOfUsers')
- ->will($this->returnValue(array()));
+ ->will($this->returnValue([]));
$access->expects($this->any())
->method('readAttribute')
@@ -145,7 +157,7 @@ class Group_LDAPTest extends TestCase {
if(strpos($name, 'u') === 0) {
return strpos($name, '3');
}
- return array('u11', 'u22', 'u33', 'u34');
+ return ['u11', 'u22', 'u33', 'u34'];
}));
$access->expects($this->any())
@@ -659,14 +671,15 @@ class Group_LDAPTest extends TestCase {
$access->expects($this->once())
->method('username2dn')
->will($this->returnValue($dn));
-
$access->expects($this->never())
->method('readAttribute')
->with($dn, 'memberOf');
-
$access->expects($this->once())
->method('nextcloudGroupNames')
->will($this->returnValue([]));
+ $access->expects($this->any())
+ ->method('groupsMatchFilter')
+ ->willReturnArgument(0);
$groupBackend = new GroupLDAP($access, $pluginManager);
$groupBackend->getUserGroups('userX');
@@ -680,12 +693,15 @@ class Group_LDAPTest extends TestCase {
$access->connection->expects($this->any())
->method('__get')
->will($this->returnCallback(function($name) {
- if($name === 'useMemberOfToDetectMembership') {
- return 0;
- } else if($name === 'ldapDynamicGroupMemberURL') {
- return '';
- } else if($name === 'ldapNestedGroups') {
- return false;
+ switch($name) {
+ case 'useMemberOfToDetectMembership':
+ return 0;
+ case 'ldapDynamicGroupMemberURL':
+ return '';
+ case 'ldapNestedGroups':
+ return false;
+ case 'ldapGroupMemberAssocAttr':
+ return 'member';
}
return 1;
}));
@@ -716,10 +732,12 @@ class Group_LDAPTest extends TestCase {
->method('nextcloudGroupNames')
->with([$group1, $group2])
->will($this->returnValue(['group1', 'group2']));
-
$access->expects($this->once())
->method('fetchListOfGroups')
->will($this->returnValue([$group1, $group2]));
+ $access->expects($this->any())
+ ->method('groupsMatchFilter')
+ ->willReturnArgument(0);
$groupBackend = new GroupLDAP($access, $pluginManager);
$groups = $groupBackend->getUserGroups('userX');
@@ -999,14 +1017,6 @@ class Group_LDAPTest extends TestCase {
$groups1,
['cn=Birds,' . $base => $groups1]
],
- [ #2 – test uids with nested groups
- 'cn=Birds,' . $base,
- $expGroups2,
- [
- 'cn=Birds,' . $base => $groups1,
- '8427' => $groups2Nested, // simplified - nested groups would work with DNs
- ],
- ],
];
}
@@ -1045,9 +1055,7 @@ class Group_LDAPTest extends TestCase {
$ldap = new GroupLDAP($access, $pluginManager);
$resultingMembers = $this->invokePrivate($ldap, '_groupMembers', [$groupDN]);
- $expected = array_keys(array_flip($expectedMembers));
-
- $this->assertEquals($expected, array_keys($resultingMembers), '', 0.0, 10, true);
+ $this->assertEquals($expectedMembers, $resultingMembers, '', 0.0, 10, true);
}
}
diff --git a/build/integration/ldap_features/ldap-openldap.feature b/build/integration/ldap_features/ldap-openldap.feature
index 4b0b02c5b4f..2e1f637a50a 100644
--- a/build/integration/ldap_features/ldap-openldap.feature
+++ b/build/integration/ldap_features/ldap-openldap.feature
@@ -102,3 +102,61 @@ Feature: LDAP
| ldapHost | foo.bar |
| ldapPort | 2456 |
Then Expect ServerException on failed web login as "alice"
+
+ Scenario: Test LDAP group membership with intermediate groups not matching filter
+ Given modify LDAP configuration
+ | ldapBaseGroups | ou=OtherGroups,dc=nextcloud,dc=ci |
+ | ldapGroupFilter | (&(cn=Gardeners)(objectclass=groupOfNames)) |
+ | ldapNestedGroups | 1 |
+ | useMemberOfToDetectMembership | 1 |
+ | ldapUserFilter | (&(objectclass=inetorgperson)(!(uid=alice))) |
+ And As an "admin"
+ # for population
+ And sending "GET" to "/cloud/groups"
+ And sending "GET" to "/cloud/groups/Gardeners/users"
+ Then the OCS status code should be "200"
+ And the "users" result should match
+ | alice | 0 |
+ | clara | 1 |
+ | elisa | 1 |
+ | gustaf | 1 |
+ | jesper | 1 |
+
+ Scenario: Test LDAP group membership with intermediate groups not matching filter and without memberof
+ Given modify LDAP configuration
+ | ldapBaseGroups | ou=OtherGroups,dc=nextcloud,dc=ci |
+ | ldapGroupFilter | (&(cn=Gardeners)(objectclass=groupOfNames)) |
+ | ldapNestedGroups | 1 |
+ | useMemberOfToDetectMembership | 0 |
+ | ldapUserFilter | (&(objectclass=inetorgperson)(!(uid=alice))) |
+ And As an "admin"
+ # for population
+ And sending "GET" to "/cloud/groups"
+ And sending "GET" to "/cloud/groups/Gardeners/users"
+ Then the OCS status code should be "200"
+ And the "users" result should match
+ | alice | 0 |
+ | clara | 1 |
+ | elisa | 1 |
+ | gustaf | 1 |
+ | jesper | 1 |
+
+ Scenario: Test LDAP group membership with intermediate groups not matching filter, numeric group ids
+ Given modify LDAP configuration
+ | ldapBaseGroups | ou=NumericGroups,dc=nextcloud,dc=ci |
+ | ldapGroupFilter | (&(cn=2000)(objectclass=groupOfNames)) |
+ | ldapNestedGroups | 1 |
+ | useMemberOfToDetectMembership | 1 |
+ | ldapUserFilter | (&(objectclass=inetorgperson)(!(uid=alice))) |
+ And As an "admin"
+ # for population
+ And sending "GET" to "/cloud/groups"
+ And sending "GET" to "/cloud/groups/2000/users"
+ Then the OCS status code should be "200"
+ And the "users" result should match
+ | alice | 0 |
+ | clara | 1 |
+ | elisa | 1 |
+ | gustaf | 1 |
+ | jesper | 1 |
+
diff --git a/build/integration/ldap_features/openldap-numerical-id.feature b/build/integration/ldap_features/openldap-numerical-id.feature
index 2d87ba33e6e..4959c7328e6 100644
--- a/build/integration/ldap_features/openldap-numerical-id.feature
+++ b/build/integration/ldap_features/openldap-numerical-id.feature
@@ -29,3 +29,38 @@ Scenario: Test by logging in
And Logging in using web as "92379"
And Sending a "GET" to "/remote.php/webdav/welcome.txt" with requesttoken
Then the HTTP status code should be "200"
+
+Scenario: Test LDAP group retrieval with numeric group ids and nesting
+ # Nesting does not play a role here really
+ Given modify LDAP configuration
+ | ldapBaseGroups | ou=NumericGroups,dc=nextcloud,dc=ci |
+ | ldapGroupFilter | (objectclass=groupOfNames) |
+ | ldapNestedGroups | 1 |
+ | useMemberOfToDetectMembership | 1 |
+ And As an "admin"
+ And sending "GET" to "/cloud/groups"
+ Then the OCS status code should be "200"
+ And the "groups" result should match
+ | 2000 | 1 |
+ | 3000 | 1 |
+ | 3001 | 1 |
+ | 3002 | 1 |
+
+Scenario: Test LDAP group membership with intermediate groups not matching filter, numeric group ids
+ Given modify LDAP configuration
+ | ldapBaseGroups | ou=NumericGroups,dc=nextcloud,dc=ci |
+ | ldapGroupFilter | (&(cn=2000)(objectclass=groupOfNames)) |
+ | ldapNestedGroups | 1 |
+ | useMemberOfToDetectMembership | 1 |
+ | ldapUserFilter | (&(objectclass=inetorgperson)(!(uid=alice))) |
+ And As an "admin"
+ # for population
+ And sending "GET" to "/cloud/groups"
+ And sending "GET" to "/cloud/groups/2000/users"
+ Then the OCS status code should be "200"
+ And the "users" result should match
+ | 92379 | 0 |
+ | 54172 | 1 |
+ | 50194 | 1 |
+ | 59376 | 1 |
+ | 59463 | 1 |