s4:rpc-dnsserver: Implement DirectoryPartitionInfo RPC operation

[ddiss/samba.git] / source4 / rpc_server / dnsserver / dnsdb.c

diff --git a/source4/rpc_server/dnsserver/dnsdb.c b/source4/rpc_server/dnsserver/dnsdb.c
index 707f7b842cd33a0e9bf79de9eddbf59c93d0b553..e7bd28d38278c47f87f7fbe2497ec914f4940f63 100644 (file)
--- a/source4/rpc_server/dnsserver/dnsdb.c
+++ b/source4/rpc_server/dnsserver/dnsdb.c
@@ -140,6 +140,105 @@ failed:
 }
 
 
+/* Find DNS partition information */
+struct dnsserver_partition_info *dnsserver_db_partition_info(TALLOC_CTX *mem_ctx,
+                                                       struct ldb_context *samdb,
+                                                       struct dnsserver_partition *p)
+{
+       const char * const attrs[] = { "instanceType", "msDs-masteredBy", NULL };
+       const char * const attrs_none[] = { NULL };
+       struct ldb_result *res;
+       struct ldb_message_element *el;
+       struct ldb_dn *dn;
+       struct dnsserver_partition_info *partinfo;
+       int i, ret, instance_type;
+       TALLOC_CTX *tmp_ctx;
+
+       tmp_ctx = talloc_new(mem_ctx);
+       if (tmp_ctx == NULL) {
+               return NULL;
+       }
+
+       partinfo = talloc_zero(mem_ctx, struct dnsserver_partition_info);
+       if (partinfo == NULL) {
+               talloc_free(tmp_ctx);
+               return NULL;
+       }
+
+       /* Search for the active replica and state */
+       ret = ldb_search(samdb, tmp_ctx, &res, p->partition_dn, LDB_SCOPE_BASE,
+                       attrs, NULL);
+       if (ret != LDB_SUCCESS || res->count != 1) {
+               goto failed;
+       }
+
+       /* Set the state of the partition */
+       instance_type = ldb_msg_find_attr_as_int(res->msgs[0], "instanceType", -1);
+       if (instance_type == -1) {
+               partinfo->dwState = DNS_DP_STATE_UNKNOWN;
+       } else if (instance_type & INSTANCE_TYPE_NC_COMING) {
+               partinfo->dwState = DNS_DP_STATE_REPL_INCOMING;
+       } else if (instance_type & INSTANCE_TYPE_NC_GOING) {
+               partinfo->dwState = DNS_DP_STATE_REPL_OUTGOING;
+       } else {
+               partinfo->dwState = DNS_DP_OKAY;
+       }
+
+       el = ldb_msg_find_element(res->msgs[0], "msDs-masteredBy");
+       if (el == NULL) {
+               partinfo->dwReplicaCount = 0;
+               partinfo->ReplicaArray = NULL;
+       } else {
+               partinfo->dwReplicaCount = el->num_values;
+               partinfo->ReplicaArray = talloc_zero_array(partinfo,
+                                                          struct DNS_RPC_DP_REPLICA *,
+                                                          el->num_values);
+               if (partinfo->ReplicaArray == NULL) {
+                       goto failed;
+               }
+               for (i=0; i<el->num_values; i++) {
+                       partinfo->ReplicaArray[i] = talloc_zero(partinfo,
+                                                       struct DNS_RPC_DP_REPLICA);
+                       if (partinfo->ReplicaArray[i] == NULL) {
+                               goto failed;
+                       }
+                       partinfo->ReplicaArray[i]->pszReplicaDn = talloc_strdup(
+                                                                       partinfo,
+                                                                       (const char *)el->values[i].data);
+                       if (partinfo->ReplicaArray[i]->pszReplicaDn == NULL) {
+                               goto failed;
+                       }
+               }
+       }
+       talloc_free(res);
+
+       /* Search for cross-reference object */
+       dn = ldb_dn_copy(tmp_ctx, ldb_get_config_basedn(samdb));
+       if (dn == NULL) {
+               goto failed;
+       }
+
+       ret = ldb_search(samdb, tmp_ctx, &res, dn, LDB_SCOPE_DEFAULT, attrs_none,
+                       "(nCName=%s)", ldb_dn_get_linearized(p->partition_dn));
+       if (ret != LDB_SUCCESS || res->count != 1) {
+               goto failed;
+       }
+       partinfo->pszCrDn = talloc_strdup(partinfo, ldb_dn_get_linearized(res->msgs[0]->dn));
+       if (partinfo->pszCrDn == NULL) {
+               goto failed;
+       }
+       talloc_free(res);
+
+       talloc_free(tmp_ctx);
+       return partinfo;
+
+failed:
+       talloc_free(tmp_ctx);
+       talloc_free(partinfo);
+       return NULL;
+}
+
+
 static unsigned int dnsserver_update_soa(TALLOC_CTX *mem_ctx,
                                struct ldb_context *samdb,
                                struct dnsserver_zone *z)