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authorAndrew Tridgell <tridge@samba.org>2011-08-15 16:01:39 +1000
committerAndrew Tridgell <tridge@samba.org>2011-08-18 09:26:59 +1000
commitc5dc26b9769bbaf2883a8cc8fc6fbe3168ff1c9b (patch)
tree828f4fedeb577fa3995b491aab08229e309138f0 /source4
parent16fa0f68bdce39eb19f0fa5486ff231467662b12 (diff)
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s4-dsdb: added comments and fixed backlink check in repl_meta_data
added comments explaining the backlink deletion code, plus fix a use of a bitwise operation in a boolean expression, and avoid calling dsdb_functional_level() inside a loop Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Diffstat (limited to 'source4')
-rw-r--r--source4/dsdb/samdb/ldb_modules/repl_meta_data.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
index 54741e6f9d..e50e2a06ca 100644
--- a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
+++ b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
@@ -2724,6 +2724,7 @@ static int replmd_delete(struct ldb_module *module, struct ldb_request *req)
OBJECT_TOMBSTONE=4, OBJECT_REMOVED=5 };
enum deletion_state deletion_state, next_deletion_state;
bool enabled;
+ int functional_level;
if (ldb_dn_is_special(req->op.del.dn)) {
return ldb_next_request(module, req);
@@ -2740,6 +2741,8 @@ static int replmd_delete(struct ldb_module *module, struct ldb_request *req)
return LDB_ERR_OPERATIONS_ERROR;
}
+ functional_level = dsdb_functional_level(ldb);
+
old_dn = ldb_dn_copy(tmp_ctx, req->op.del.dn);
/* we need the complete msg off disk, so we can work out which
@@ -2940,7 +2943,7 @@ static int replmd_delete(struct ldb_module *module, struct ldb_request *req)
/* we also mark it as recycled, meaning this object can't be
recovered (we are stripping its attributes) */
- if (dsdb_functional_level(ldb) >= DS_DOMAIN_FUNCTION_2008_R2) {
+ if (functional_level >= DS_DOMAIN_FUNCTION_2008_R2) {
ret = ldb_msg_add_string(msg, "isRecycled", "TRUE");
if (ret != LDB_SUCCESS) {
DEBUG(0,(__location__ ": Failed to add isRecycled string to the msg\n"));
@@ -2964,12 +2967,24 @@ static int replmd_delete(struct ldb_module *module, struct ldb_request *req)
/* don't remove the rDN */
continue;
}
- if (sa->linkID && sa->linkID & 1) {
+ if (sa->linkID && (sa->linkID & 1)) {
+ /*
+ we have a backlink in this object
+ that needs to be removed. We're not
+ allowed to remove it directly
+ however, so we instead setup a
+ modify to delete the corresponding
+ forward link
+ */
ret = replmd_delete_remove_link(module, schema, old_dn, el, sa, req);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
+ /* now we continue, which means we
+ won't remove this backlink
+ directly
+ */
continue;
}
if (!sa->linkID && ldb_attr_in_list(preserved_attrs, el->name)) {