X-Git-Url: http://git.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=proto-shell.c;h=bc74de9a51eab2a2fb8c112155968eec593bddf5;hp=ee2366f5ab8ad5b33e63cb59282db1f2716c9f9c;hb=206958f8b6eb0a4e65749f481d8e17d552391c2f;hpb=10c7565766962a876844c71dd3a230aefeaf193b

diff --git a/proto-shell.c b/proto-shell.c
index ee2366f..bc74de9 100644
--- a/proto-shell.c
+++ b/proto-shell.c
@@ -39,24 +39,38 @@ struct proto_shell_state {
 	struct uloop_process setup_task;
 	struct uloop_process teardown_task;
 	bool teardown_pending;
+	bool teardown_wait_task;
 
 	struct uloop_process proto_task;
 };
 
+static void
+kill_process(struct uloop_process *proc)
+{
+	if (!proc->pending)
+		return;
+
+	kill(proc->pid, SIGTERM);
+	uloop_process_delete(proc);
+}
+
 static int
-start_process(const char **argv, struct uloop_process *proc)
+start_process(const char **argv, char **env, struct uloop_process *proc)
 {
 	int pid;
 
-	if (proc->pending) {
-		kill(proc->pid, SIGTERM);
-		uloop_process_delete(proc);
-	}
+	kill_process(proc);
 
 	if ((pid = fork()) < 0)
 		return -1;
 
 	if (!pid) {
+		if (env) {
+			while (*env) {
+				putenv(*env);
+				env++;
+			}
+		}
 		fchdir(proto_fd);
 		execvp(argv[0], (char **) argv);
 		exit(127);
@@ -92,9 +106,9 @@ proto_shell_handler(struct interface_proto_state *proto,
 	} else {
 		action = "teardown";
 		proc = &state->teardown_task;
-		if (state->setup_task.pending) {
+		if (state->setup_task.pending && !state->teardown_wait_task) {
 			uloop_timeout_set(&state->setup_timeout, 1000);
-			kill(state->setup_task.pid, SIGINT);
+			kill(state->setup_task.pid, SIGTERM);
 			state->teardown_pending = true;
 			return 0;
 		}
@@ -113,7 +127,7 @@ proto_shell_handler(struct interface_proto_state *proto,
 		argv[i++] = proto->iface->main_dev.dev->ifname;
 	argv[i] = NULL;
 
-	ret = start_process(argv, proc);
+	ret = start_process(argv, NULL, proc);
 	free(config);
 
 	return ret;
@@ -148,6 +162,11 @@ proto_shell_teardown_cb(struct uloop_process *p, int ret)
 
 	state = container_of(p, struct proto_shell_state, teardown_task);
 
+	if (state->teardown_wait_task)
+		return;
+
+	kill_process(&state->proto_task);
+
 	if (state->l3_dev.dev)
 		device_remove_user(&state->l3_dev);
 
@@ -158,9 +177,20 @@ static void
 proto_shell_task_cb(struct uloop_process *p, int ret)
 {
 	struct proto_shell_state *state;
+	bool teardown_wait_task;
 
 	state = container_of(p, struct proto_shell_state, proto_task);
 
+	teardown_wait_task = state->teardown_wait_task;
+	state->teardown_wait_task = false;
+	if (state->teardown_pending || state->teardown_task.pending)
+		return;
+
+	if (teardown_wait_task) {
+		proto_shell_teardown_cb(&state->teardown_task, 0);
+		return;
+	}
+
 	state->proto.proto_event(&state->proto, IFPEV_LINK_LOST);
 	proto_shell_handler(&state->proto, PROTO_CMD_TEARDOWN, false);
 }
@@ -212,7 +242,7 @@ enum {
 
 static const struct blobmsg_policy route_attr[__ROUTE_LAST] = {
 	[ROUTE_TARGET] = { .name = "target", .type = BLOBMSG_TYPE_STRING },
-	[ROUTE_MASK] = { .name = "mask", .type = BLOBMSG_TYPE_INT32 },
+	[ROUTE_MASK] = { .name = "mask", .type = BLOBMSG_TYPE_STRING },
 	[ROUTE_GATEWAY] = { .name = "gateway", .type = BLOBMSG_TYPE_STRING },
 	[ROUTE_DEVICE] = { .name = "device", .type = BLOBMSG_TYPE_STRING },
 };
@@ -235,8 +265,8 @@ parse_route(struct interface *iface, struct blob_attr *attr, bool v6)
 
 	route->mask = v6 ? 128 : 32;
 	if ((cur = tb[ROUTE_MASK]) != NULL) {
-		route->mask = blobmsg_get_u32(cur);
-		if (route->mask > v6 ? 128 : 32)
+		route->mask = parse_netmask_string(blobmsg_data(cur), v6);
+		if (route->mask > (v6 ? 128 : 32))
 			goto error;
 	}
 
@@ -281,10 +311,11 @@ proto_shell_parse_route_list(struct interface *iface, struct blob_attr *attr,
 	}
 }
 
-
 enum {
 	NOTIFY_ACTION,
 	NOTIFY_COMMAND,
+	NOTIFY_ENV,
+	NOTIFY_SIGNAL,
 	NOTIFY_LINK_UP,
 	NOTIFY_IFNAME,
 	NOTIFY_ADDR_EXT,
@@ -292,12 +323,16 @@ enum {
 	NOTIFY_IP6ADDR,
 	NOTIFY_ROUTES,
 	NOTIFY_ROUTES6,
+	NOTIFY_DNS,
+	NOTIFY_DNS_SEARCH,
 	__NOTIFY_LAST
 };
 
 static const struct blobmsg_policy notify_attr[__NOTIFY_LAST] = {
 	[NOTIFY_ACTION] = { .name = "action", .type = BLOBMSG_TYPE_INT32 },
 	[NOTIFY_COMMAND] = { .name = "command", .type = BLOBMSG_TYPE_ARRAY },
+	[NOTIFY_ENV] = { .name = "env", .type = BLOBMSG_TYPE_ARRAY },
+	[NOTIFY_SIGNAL] = { .name = "signal", .type = BLOBMSG_TYPE_INT32 },
 	[NOTIFY_LINK_UP] = { .name = "link-up", .type = BLOBMSG_TYPE_BOOL },
 	[NOTIFY_IFNAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING },
 	[NOTIFY_ADDR_EXT] = { .name = "address-external", .type = BLOBMSG_TYPE_BOOL },
@@ -305,6 +340,8 @@ static const struct blobmsg_policy notify_attr[__NOTIFY_LAST] = {
 	[NOTIFY_IP6ADDR] = { .name = "ip6addr", .type = BLOBMSG_TYPE_ARRAY },
 	[NOTIFY_ROUTES] = { .name = "routes", .type = BLOBMSG_TYPE_ARRAY },
 	[NOTIFY_ROUTES6] = { .name = "routes6", .type = BLOBMSG_TYPE_ARRAY },
+	[NOTIFY_DNS] = { .name = "dns", .type = BLOBMSG_TYPE_ARRAY },
+	[NOTIFY_DNS_SEARCH] = { .name = "dns_search", .type = BLOBMSG_TYPE_ARRAY },
 };
 
 static int
@@ -318,21 +355,23 @@ proto_shell_update_link(struct proto_shell_state *state, struct blob_attr **tb)
 		return UBUS_STATUS_INVALID_ARGUMENT;
 
 	up = blobmsg_get_bool(tb[NOTIFY_LINK_UP]);
-	if (up) {
-		if (!tb[NOTIFY_IFNAME])
-			return UBUS_STATUS_INVALID_ARGUMENT;
-
-		if (!state->l3_dev.dev) {
-			device_add_user(&state->l3_dev,
-				device_get(blobmsg_data(tb[NOTIFY_IFNAME]), true));
-			device_claim(&state->l3_dev);
-			state->proto.iface->l3_dev = &state->l3_dev;
-		}
-		state->proto.proto_event(&state->proto, IFPEV_UP);
-	} else {
+	if (!up) {
 		state->proto.proto_event(&state->proto, IFPEV_LINK_LOST);
+		return 0;
+	}
+
+	if (!tb[NOTIFY_IFNAME]) {
+		if (!state->proto.iface->main_dev.dev)
+			return UBUS_STATUS_INVALID_ARGUMENT;
+	} else if (!state->l3_dev.dev) {
+		device_add_user(&state->l3_dev,
+			device_get(blobmsg_data(tb[NOTIFY_IFNAME]), true));
+		device_claim(&state->l3_dev);
+		state->proto.iface->l3_dev = &state->l3_dev;
 	}
 
+	interface_ip_update_start(state->proto.iface);
+
 	if ((cur = tb[NOTIFY_ADDR_EXT]) != NULL)
 		addr_ext = blobmsg_get_bool(cur);
 
@@ -348,33 +387,62 @@ proto_shell_update_link(struct proto_shell_state *state, struct blob_attr **tb)
 	if ((cur = tb[NOTIFY_ROUTES6]) != NULL)
 		proto_shell_parse_route_list(state->proto.iface, cur, true);
 
+	if ((cur = tb[NOTIFY_DNS]) != NULL)
+		interface_add_dns_server_list(state->proto.iface, cur);
+
+	if ((cur = tb[NOTIFY_DNS_SEARCH]) != NULL)
+		interface_add_dns_search_list(state->proto.iface, cur);
+
+	interface_ip_update_complete(state->proto.iface);
+
+	state->proto.proto_event(&state->proto, IFPEV_UP);
+
 	return 0;
 }
 
-static int
-proto_shell_run_command(struct proto_shell_state *state, struct blob_attr **tb)
+static bool
+fill_string_list(struct blob_attr *attr, char **argv, int max)
 {
 	struct blob_attr *cur;
-	char *argv[64];
 	int argc = 0;
 	int rem;
 
-	if (!tb[NOTIFY_COMMAND])
-		goto error;
+	if (!attr)
+		goto out;
 
-	blobmsg_for_each_attr(cur, tb[NOTIFY_COMMAND], rem) {
+	blobmsg_for_each_attr(cur, attr, rem) {
 		if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
-			goto error;
+			return false;
 
 		if (!blobmsg_check_attr(cur, NULL))
-			goto error;
+			return false;
 
 		argv[argc++] = blobmsg_data(cur);
-		if (argc == ARRAY_SIZE(argv) - 1)
-			goto error;
+		if (argc == max - 1)
+			return false;
 	}
+
+out:
 	argv[argc] = NULL;
-	start_process((const char **) argv, &state->proto_task);
+	return true;
+}
+
+static int
+proto_shell_run_command(struct proto_shell_state *state, struct blob_attr **tb)
+{
+	char *argv[64];
+	char *env[32];
+
+	if (!tb[NOTIFY_COMMAND])
+		goto error;
+
+	if (!fill_string_list(tb[NOTIFY_COMMAND], argv, ARRAY_SIZE(argv)))
+		goto error;
+
+	if (!fill_string_list(tb[NOTIFY_ENV], env, ARRAY_SIZE(env)))
+		goto error;
+
+	start_process((const char **) argv, (char **) env, &state->proto_task);
 
 	return 0;
 
@@ -382,6 +450,25 @@ error:
 	return UBUS_STATUS_INVALID_ARGUMENT;
 }
 
+static int
+proto_shell_kill_command(struct proto_shell_state *state, struct blob_attr **tb)
+{
+	unsigned int signal = ~0;
+
+	if (tb[NOTIFY_SIGNAL])
+		signal = blobmsg_get_u32(tb[NOTIFY_SIGNAL]);
+
+	if (signal > 31)
+		signal = SIGTERM;
+
+	if (state->proto_task.pending) {
+		kill(state->proto_task.pid, signal);
+		state->teardown_wait_task = true;
+	}
+
+	return 0;
+}
+
 static int
 proto_shell_notify(struct interface_proto_state *proto, struct blob_attr *attr)
 {
@@ -399,6 +486,8 @@ proto_shell_notify(struct interface_proto_state *proto, struct blob_attr *attr)
 		return proto_shell_update_link(state, tb);
 	case 1:
 		return proto_shell_run_command(state, tb);
+	case 2:
+		return proto_shell_kill_command(state, tb);
 	default:
 		return UBUS_STATUS_INVALID_ARGUMENT;
 	}