Cwikius-Spring
/
spring-security
mirror of https://github.com/spring-projects/spring-security.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Prevent StackOverflowError for AccessControlEntryImpl.hashCode 

Getting StackOverflowError when invoke AclImpl.hashCode because of
cross-references between AclImpl and AccessControlEntryImpl

Remove from AccessControlEntryImpl.hashCode method invocation of
acl.hashCode

fixes gh-5401
This commit is contained in:
Maksim Vinogradov 2019-04-27 08:32:34 +03:00 committed by Rob Winch
parent f08ca4e688
commit 4f58576952
2 changed files with 22 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
acl/src/main/java/org/springframework/security/acls/domain/AccessControlEntryImpl.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -131,10 +131,9 @@ public class AccessControlEntryImpl implements AccessControlEntry,
@Override
public int hashCode() {
int result = this.acl.hashCode();
result = 31 * result + this.permission.hashCode();
int result = this.permission.hashCode();
result = 31 * result + (this.id != null ? this.id.hashCode() : 0);
result = 31 * result + this.sid.hashCode();
result = 31 * result + (this.sid.hashCode());
result = 31 * result + (this.auditFailure ? 1 : 0);
result = 31 * result + (this.auditSuccess ? 1 : 0);
result = 31 * result + (this.granting ? 1 : 0);

19
acl/src/test/java/org/springframework/security/acls/domain/AclImplTests.java
View File

@ -577,6 +577,25 @@ public class AclImplTests {
assertThat(acl.isGranted(permissions, sids, false)).isTrue();
}
@Test
public void hashCodeWithoutStackOverFlow() throws Exception {
//given
Sid sid = new PrincipalSid("pSid");
ObjectIdentity oid = new ObjectIdentityImpl("type", 1);
AclAuthorizationStrategy authStrategy = new AclAuthorizationStrategyImpl(new SimpleGrantedAuthority("role"));
PermissionGrantingStrategy grantingStrategy = new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger());
AclImpl acl = new AclImpl(oid, 1L, authStrategy, grantingStrategy, null, null, false, sid);
AccessControlEntryImpl ace = new AccessControlEntryImpl(1L, acl, sid, BasePermission.READ, true, true, true);
Field fieldAces = FieldUtils.getField(AclImpl.class, "aces");
fieldAces.setAccessible(true);
List<AccessControlEntryImpl> aces = (List<AccessControlEntryImpl>) fieldAces.get(acl);
aces.add(ace);
//when - then none StackOverFlowError been raised
ace.hashCode();
}
// ~ Inner Classes
// ==================================================================================================