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authorAndrew Tridgell <tridge@samba.org>2010-01-04 14:13:21 +1100
committerAndrew Tridgell <tridge@samba.org>2010-01-08 13:02:58 +1100
commitfbc3a0fe6248871d6e8bed6947559c10f762954f (patch)
treef4694a2edf84bae4e537713899db2496c859038c /source4/dsdb/common/util.c
parentc915bd87185f37f95272b3332aecb470d93a5548 (diff)
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s4-dsdb: added samdb_reference_dn()
This returns a 'reference' DN, which is a link to a DN, from the specified object. It is then used by samdb_server_reference_dn() which returns the serverReference DN, and samdb_rid_manager_dn() which returns the rIDManagerReference DN.
Diffstat (limited to 'source4/dsdb/common/util.c')
-rw-r--r--source4/dsdb/common/util.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/source4/dsdb/common/util.c b/source4/dsdb/common/util.c
index b8ba26a4ec..2548b0b155 100644
--- a/source4/dsdb/common/util.c
+++ b/source4/dsdb/common/util.c
@@ -1521,6 +1521,68 @@ struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx
return server_site_dn;
}
+/*
+ find a 'reference' DN that points at another object
+ (eg. serverReference, rIDManagerReference etc)
+ */
+int samdb_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *base,
+ const char *attribute, struct ldb_dn **dn)
+{
+ const char *attrs[2];
+ struct ldb_result *res;
+ int ret;
+
+ attrs[0] = attribute;
+ attrs[1] = NULL;
+
+ ret = ldb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ if (res->count != 1) {
+ talloc_free(res);
+ return LDB_ERR_NO_SUCH_OBJECT;
+ }
+
+ *dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0], attribute);
+ if (!*dn) {
+ talloc_free(res);
+ return LDB_ERR_NO_SUCH_ATTRIBUTE;
+ }
+
+ talloc_free(res);
+ return LDB_SUCCESS;
+}
+
+/*
+ find our machine account via the serverReference attribute in the
+ server DN
+ */
+int samdb_server_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
+{
+ struct ldb_dn *server_dn;
+ int ret;
+
+ server_dn = samdb_server_dn(ldb, mem_ctx);
+ if (server_dn == NULL) {
+ return LDB_ERR_NO_SUCH_OBJECT;
+ }
+
+ ret = samdb_reference_dn(ldb, mem_ctx, server_dn, "serverReference", dn);
+ talloc_free(server_dn);
+
+ return ret;
+}
+
+/*
+ find the RID Manager$ DN via the rIDManagerReference attribute in the
+ base DN
+ */
+int samdb_rid_manager_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
+{
+ return samdb_reference_dn(ldb, mem_ctx, samdb_base_dn(ldb), "rIDManagerReference", dn);
+}
+
const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
{
const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb, mem_ctx));