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| author | Matthias Dieter Wallnöfer <mdw@samba.org> | 2010-10-16 12:28:25 +0200 |
|---|---|---|
| committer | Matthias Dieter Wallnöfer <mdw@samba.org> | 2010-10-16 11:24:09 +0000 |
| commit | d7ca757b315181c678d4f874294f72b1114f3dad (patch) | |
| tree | 7e8ac16e5fe8eb636f1ff32aa1f70fc06a1e0c33 /source4/dsdb/samdb | |
| parent | 88e5375ad3d0386371b19d0d3b851d7974afdcdb (diff) | |
| download | samba-d7ca757b315181c678d4f874294f72b1114f3dad.tar.gz samba-d7ca757b315181c678d4f874294f72b1114f3dad.tar.bz2 samba-d7ca757b315181c678d4f874294f72b1114f3dad.zip | |
s4:objectclass LDB module - implement the "isCriticalSystemObject" subtree delete protection
MS-ADTS 3.1.1.5.5.7.2
Autobuild-User: Matthias Dieter Wallnöfer <mdw@samba.org>
Autobuild-Date: Sat Oct 16 11:24:09 UTC 2010 on sn-devel-104
Diffstat (limited to 'source4/dsdb/samdb')
| -rw-r--r-- | source4/dsdb/samdb/ldb_modules/objectclass.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/objectclass.c b/source4/dsdb/samdb/ldb_modules/objectclass.c index 86708eb820..02c3e4680f 100644 --- a/source4/dsdb/samdb/ldb_modules/objectclass.c +++ b/source4/dsdb/samdb/ldb_modules/objectclass.c @@ -1348,7 +1348,8 @@ static int objectclass_do_delete(struct oc_context *ac); static int objectclass_delete(struct ldb_module *module, struct ldb_request *req) { static const char * const attrs[] = { "nCName", "objectClass", - "systemFlags", NULL }; + "systemFlags", + "isCriticalSystemObject", NULL }; struct ldb_context *ldb; struct ldb_request *search_req; struct oc_context *ac; @@ -1397,6 +1398,7 @@ static int objectclass_do_delete(struct oc_context *ac) struct ldb_context *ldb; struct ldb_dn *dn; int32_t systemFlags; + bool isCriticalSystemObject; int ret; ldb = ldb_module_get_ctx(ac->module); @@ -1466,6 +1468,19 @@ static int objectclass_do_delete(struct oc_context *ac) return LDB_ERR_UNWILLING_TO_PERFORM; } + /* isCriticalSystemObject - but this only applies on tree delete + * operations - MS-ADTS 3.1.1.5.5.7.2 */ + if (ldb_request_get_control(ac->req, LDB_CONTROL_TREE_DELETE_OID) != NULL) { + isCriticalSystemObject = ldb_msg_find_attr_as_bool(ac->search_res->message, + "isCriticalSystemObject", false); + if (isCriticalSystemObject) { + ldb_asprintf_errstring(ldb, + "objectclass: Cannot tree-delete %s, it's a critical system object!", + ldb_dn_get_linearized(ac->req->op.del.dn)); + return LDB_ERR_UNWILLING_TO_PERFORM; + } + } + return ldb_next_request(ac->module, ac->req); } |