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authorAndrew Tridgell <tridge@samba.org>2011-08-01 13:54:58 +1000
committerAndrew Tridgell <tridge@samba.org>2011-08-04 16:17:24 +1000
commita74f4673eda682bbca4adfed8a924b16114a0dcd (patch)
treef42e6dc4551f1336e7fa6a20995cb4d280c26268 /source4/dsdb
parentfc40769b64188adedf273913fa94d30b307970d3 (diff)
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s4-dsdb: setup a one_way_link attribute on schema attributes
this allows us to quickly determine if a DN is a one way link Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org> Pair-Programmed-With: Amitay Isaacs <amitay@gmail.com>
Diffstat (limited to 'source4/dsdb')
-rw-r--r--source4/dsdb/schema/schema.h2
-rw-r--r--source4/dsdb/schema/schema_inferiors.c28
2 files changed, 30 insertions, 0 deletions
diff --git a/source4/dsdb/schema/schema.h b/source4/dsdb/schema/schema.h
index 75351798c2..289fd4276c 100644
--- a/source4/dsdb/schema/schema.h
+++ b/source4/dsdb/schema/schema.h
@@ -107,6 +107,8 @@ struct dsdb_attribute {
bool isDefunct;
bool systemOnly;
+ bool one_way_link;
+
/* internal stuff */
const struct dsdb_syntax *syntax;
const struct ldb_schema_attribute *ldb_schema_attribute;
diff --git a/source4/dsdb/schema/schema_inferiors.c b/source4/dsdb/schema/schema_inferiors.c
index d2c134ea9e..7b80c20a60 100644
--- a/source4/dsdb/schema/schema_inferiors.c
+++ b/source4/dsdb/schema/schema_inferiors.c
@@ -328,6 +328,7 @@ int schema_fill_constructed(const struct dsdb_schema *schema)
{
int ret;
struct dsdb_class *schema_class;
+ struct dsdb_attribute *attribute;
schema_fill_from_ids(schema);
@@ -353,5 +354,32 @@ int schema_fill_constructed(const struct dsdb_schema *schema)
schema_class->posssuperiors = NULL;
}
+ /* setup fast access to one_way_link */
+ for (attribute=schema->attributes; attribute; attribute=attribute->next) {
+ if (dsdb_dn_oid_to_format(attribute->syntax->ldap_oid) == DSDB_INVALID_DN) {
+ attribute->one_way_link = false;
+ continue;
+ }
+
+ /* these are not considered to be one way links for
+ the purpose of DN link fixups */
+ if (ldb_attr_cmp("distinguishedName", attribute->lDAPDisplayName) == 0 ||
+ ldb_attr_cmp("objectCategory", attribute->lDAPDisplayName) == 0) {
+ attribute->one_way_link = false;
+ continue;
+ }
+
+ if (attribute->linkID == 0) {
+ attribute->one_way_link = true;
+ continue;
+ }
+ /* handle attributes with a linkID but no backlink */
+ if (dsdb_attribute_by_linkID(schema, attribute->linkID) == NULL) {
+ attribute->one_way_link = true;
+ continue;
+ }
+ attribute->one_way_link = false;
+ }
+
return LDB_SUCCESS;
}