+/**
+ * check that a join is OK
+ *
+ * @return A shell status integer (0 for success)
+ *
+ **/
+int net_rpc_testjoin(struct net_context *c, int argc, const char **argv)
+{
+ NTSTATUS status;
+ TALLOC_CTX *mem_ctx;
+ const char *domain = c->opt_target_workgroup;
+ const char *dc = c->opt_host;
+
+ if (c->display_usage) {
+ d_printf("Usage\n"
+ "net rpc testjoin\n"
+ " Test if a join is OK\n");
+ return 0;
+ }
+
+ mem_ctx = talloc_init("net_rpc_testjoin");
+ if (!mem_ctx) {
+ return -1;
+ }
+
+ if (!dc) {
+ struct netr_DsRGetDCNameInfo *info;
+
+ if (!c->msg_ctx) {
+ d_fprintf(stderr, _("Could not initialise message context. "
+ "Try running as root\n"));
+ talloc_destroy(mem_ctx);
+ return -1;
+ }
+
+ status = dsgetdcname(mem_ctx,
+ c->msg_ctx,
+ domain,
+ NULL,
+ NULL,
+ DS_RETURN_DNS_NAME,
+ &info);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_destroy(mem_ctx);
+ return -1;
+ }
+
+ dc = strip_hostname(info->dc_unc);
+ }
+
+ /* Display success or failure */
+ status = libnet_join_ok(c->opt_workgroup, lp_netbios_name(), dc,
+ c->opt_kerberos);
+ if (!NT_STATUS_IS_OK(status)) {
+ fprintf(stderr,"Join to domain '%s' is not valid: %s\n",
+ domain, nt_errstr(status));
+ talloc_destroy(mem_ctx);
+ return -1;
+ }
+
+ printf("Join to '%s' is OK\n",domain);
+ talloc_destroy(mem_ctx);
+
+ return 0;
+}
+