X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=proto-shell.c;h=50f1b5b1cc4b638872b37bbdadbab2b292650b9f;hp=7c23caa47c7837946d70f3a0a81f746d73f56dd9;hb=a7e508b71c1cf3ee9d401510d298195067fba8e5;hpb=64ea160818e2dc958fa91f80a3a5a9ac40ccc3ba

diff --git a/proto-shell.c b/proto-shell.c
index 7c23caa..50f1b5b 100644
--- a/proto-shell.c
+++ b/proto-shell.c
@@ -44,6 +44,7 @@ struct proto_shell_handler {
 	char *config_buf;
 	char *script_name;
 	bool init_available;
+	bool no_proto_task;
 
 	struct uci_blob_param_list config;
 };
@@ -156,10 +157,22 @@ proto_shell_handler(struct interface_proto_state *proto,
 	proc = &state->script_task;
 
 	if (cmd == PROTO_CMD_SETUP) {
-		action = "setup";
-		state->last_error = -1;
-		proto_shell_clear_host_dep(state);
-		state->sm = S_SETUP;
+		switch (state->sm) {
+		case S_IDLE:
+			action = "setup";
+			state->last_error = -1;
+			proto_shell_clear_host_dep(state);
+			state->sm = S_SETUP;
+			break;
+
+		case S_SETUP_ABORT:
+		case S_TEARDOWN:
+		case S_SETUP:
+			return 0;
+
+		default:
+			return -1;
+		}
 	} else if (cmd == PROTO_CMD_RENEW) {
 		if (!(handler->proto.flags & PROTO_FLAG_RENEW_AVAILABLE))
 			return 0;
@@ -172,28 +185,35 @@ proto_shell_handler(struct interface_proto_state *proto,
 		state->renew_pending = false;
 		action = "renew";
 	} else {
-		if (state->sm == S_TEARDOWN)
-			return 0;
-
-		state->renew_pending = false;
-		if (state->script_task.uloop.pending) {
-			if (state->sm != S_SETUP_ABORT) {
+		switch (state->sm) {
+		case S_SETUP:
+			if (state->script_task.uloop.pending) {
 				uloop_timeout_set(&state->teardown_timeout, 1000);
 				kill(state->script_task.uloop.pid, SIGTERM);
 				if (state->proto_task.uloop.pending)
 					kill(state->proto_task.uloop.pid, SIGTERM);
+				state->renew_pending = false;
 				state->sm = S_SETUP_ABORT;
+				return 0;
 			}
+		/* fall through if no script task is running */
+		case S_IDLE:
+			action = "teardown";
+			state->renew_pending = false;
+			state->sm = S_TEARDOWN;
+			if (state->last_error >= 0) {
+				snprintf(error_buf, sizeof(error_buf), "ERROR=%d", state->last_error);
+				envp[j++] = error_buf;
+			}
+			uloop_timeout_set(&state->teardown_timeout, 5000);
+			break;
+
+		case S_TEARDOWN:
 			return 0;
-		}
 
-		action = "teardown";
-		state->sm = S_TEARDOWN;
-		if (state->last_error >= 0) {
-			snprintf(error_buf, sizeof(error_buf), "ERROR=%d", state->last_error);
-			envp[j++] = error_buf;
+		default:
+			return -1;
 		}
-		uloop_timeout_set(&state->teardown_timeout, 5000);
 	}
 
 	D(INTERFACE, "run %s for interface '%s'\n", action, proto->iface->name);
@@ -265,9 +285,17 @@ proto_shell_task_finish(struct proto_shell_state *state,
 		if (task == &state->proto_task)
 			proto_shell_handler(&state->proto, PROTO_CMD_TEARDOWN,
 					    false);
-		if (task == &state->script_task && state->renew_pending)
-			proto_shell_handler(&state->proto, PROTO_CMD_RENEW,
-					    false);
+		else if (task == &state->script_task) {
+			if (state->renew_pending)
+				proto_shell_handler(&state->proto,
+						    PROTO_CMD_RENEW, false);
+			else if (!state->handler->no_proto_task &&
+				 !state->proto_task.uloop.pending &&
+				 state->sm == S_SETUP)
+				proto_shell_handler(&state->proto,
+						    PROTO_CMD_TEARDOWN,
+						    false);
+		}
 		break;
 
 	case S_SETUP_ABORT:
@@ -506,9 +534,11 @@ proto_shell_update_link(struct proto_shell_state *state, struct blob_attr *data,
 
 	interface_update_complete(state->proto.iface);
 
-	if (!keep)
-		state->proto.proto_event(&state->proto, IFPEV_UP);
-	state->sm = S_IDLE;
+	if ((state->sm != S_SETUP_ABORT) && (state->sm != S_TEARDOWN)) {
+		if (!keep)
+			state->proto.proto_event(&state->proto, IFPEV_UP);
+		state->sm = S_IDLE;
+	}
 
 	return 0;
 }
@@ -790,6 +820,12 @@ proto_shell_add_handler(const char *script, const char *name, json_object *obj)
 	if (tmp && json_object_get_boolean(tmp))
 		handler->proto.flags |= PROTO_FLAG_NODEV;
 
+	tmp = json_get_field(obj, "no-proto-task", json_type_boolean);
+	if (tmp && json_object_get_boolean(tmp))
+		handler->no_proto_task = true;
+	else
+		handler->no_proto_task = false;
+
 	tmp = json_get_field(obj, "available", json_type_boolean);
 	if (tmp && json_object_get_boolean(tmp))
 		handler->proto.flags |= PROTO_FLAG_INIT_AVAILABLE;
@@ -798,6 +834,10 @@ proto_shell_add_handler(const char *script, const char *name, json_object *obj)
 	if (tmp && json_object_get_boolean(tmp))
 		handler->proto.flags |= PROTO_FLAG_RENEW_AVAILABLE;
 
+	tmp = json_get_field(obj, "lasterror", json_type_boolean);
+	if (tmp && json_object_get_boolean(tmp))
+		handler->proto.flags |= PROTO_FLAG_LASTERROR;
+
 	config = json_get_field(obj, "config", json_type_array);
 	if (config)
 		handler->config_buf = netifd_handler_parse_config(&handler->config, config);