Remove trigger and watch support, clean up service handling

5 files changed, 1 insertions, 743 deletions

diff --git a/service/instance.c b/service/instance.c
index 3c98ff7..7c902f9 100644
--- a/service/instance.c
+++ b/service/instance.c
@@ -41,18 +41,13 @@ enum {
 	INSTANCE_ATTR_DATA,
 	INSTANCE_ATTR_NETDEV,
 	INSTANCE_ATTR_FILE,
-	INSTANCE_ATTR_TRIGGER,
 	INSTANCE_ATTR_RESPAWN,
 	INSTANCE_ATTR_NICE,
 	INSTANCE_ATTR_LIMITS,
-	INSTANCE_ATTR_WATCH,
 	INSTANCE_ATTR_ERROR,
 	INSTANCE_ATTR_USER,
 	INSTANCE_ATTR_STDOUT,
 	INSTANCE_ATTR_STDERR,
-	INSTANCE_ATTR_JAIL,
-	INSTANCE_ATTR_TRACE,
-	INSTANCE_ATTR_SECCOMP,
 	__INSTANCE_ATTR_MAX
 };
 
@@ -62,39 +57,13 @@ static const struct blobmsg_policy instance_attr[__INSTANCE_ATTR_MAX] = {
 	[INSTANCE_ATTR_DATA] = { "data", BLOBMSG_TYPE_TABLE },
 	[INSTANCE_ATTR_NETDEV] = { "netdev", BLOBMSG_TYPE_ARRAY },
 	[INSTANCE_ATTR_FILE] = { "file", BLOBMSG_TYPE_ARRAY },
-	[INSTANCE_ATTR_TRIGGER] = { "triggers", BLOBMSG_TYPE_ARRAY },
 	[INSTANCE_ATTR_RESPAWN] = { "respawn", BLOBMSG_TYPE_ARRAY },
 	[INSTANCE_ATTR_NICE] = { "nice", BLOBMSG_TYPE_INT32 },
 	[INSTANCE_ATTR_LIMITS] = { "limits", BLOBMSG_TYPE_TABLE },
-	[INSTANCE_ATTR_WATCH] = { "watch", BLOBMSG_TYPE_ARRAY },
 	[INSTANCE_ATTR_ERROR] = { "error", BLOBMSG_TYPE_ARRAY },
 	[INSTANCE_ATTR_USER] = { "user", BLOBMSG_TYPE_STRING },
 	[INSTANCE_ATTR_STDOUT] = { "stdout", BLOBMSG_TYPE_BOOL },
 	[INSTANCE_ATTR_STDERR] = { "stderr", BLOBMSG_TYPE_BOOL },
-	[INSTANCE_ATTR_JAIL] = { "jail", BLOBMSG_TYPE_TABLE },
-	[INSTANCE_ATTR_TRACE] = { "trace", BLOBMSG_TYPE_BOOL },
-	[INSTANCE_ATTR_SECCOMP] = { "seccomp", BLOBMSG_TYPE_STRING },
-};
-
-enum {
-	JAIL_ATTR_NAME,
-	JAIL_ATTR_ROOT,
-	JAIL_ATTR_PROCFS,
-	JAIL_ATTR_SYSFS,
-	JAIL_ATTR_UBUS,
-	JAIL_ATTR_LOG,
-	JAIL_ATTR_MOUNT,
-	__JAIL_ATTR_MAX,
-};
-
-static const struct blobmsg_policy jail_attr[__JAIL_ATTR_MAX] = {
-	[JAIL_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING },
-	[JAIL_ATTR_ROOT] = { "root", BLOBMSG_TYPE_STRING },
-	[JAIL_ATTR_PROCFS] = { "procfs", BLOBMSG_TYPE_BOOL },
-	[JAIL_ATTR_SYSFS] = { "sysfs", BLOBMSG_TYPE_BOOL },
-	[JAIL_ATTR_UBUS] = { "ubus", BLOBMSG_TYPE_BOOL },
-	[JAIL_ATTR_LOG] = { "log", BLOBMSG_TYPE_BOOL },
-	[JAIL_ATTR_MOUNT] = { "mount", BLOBMSG_TYPE_TABLE },
 };
 
 struct instance_netdev {
@@ -130,8 +99,6 @@ static const struct rlimit_name rlimit_names[] = {
 	{ NULL, 0 }
 };
 
-static char trace[] = "/sbin/utrace";
-
 static void closefd(int fd)
 {
 	if (fd > STDERR_FILENO)
@@ -170,68 +137,14 @@ instance_limits(const char *limit, const char *value)
 	}
 }
 
-static inline int
-jail_run(struct service_instance *in, char **argv)
-{
-	struct blobmsg_list_node *var;
-	struct jail *jail = &in->jail;
-	int argc = 0;
-
-	argv[argc++] = "/sbin/ujail";
-
-	if (jail->name) {
-		argv[argc++] = "-n";
-		argv[argc++] = jail->name;
-	}
-
-	if (jail->root) {
-		argv[argc++] = "-P";
-		argv[argc++] = jail->root;
-	}
-
-	if (in->seccomp) {
-		argv[argc++] = "-S";
-		argv[argc++] = in->seccomp;
-	}
-
-	if (jail->procfs)
-		argv[argc++] = "-p";
-
-	if (jail->sysfs)
-		argv[argc++] = "-s";
-
-	if (jail->ubus)
-		argv[argc++] = "-u";
-
-	if (jail->log)
-		argv[argc++] = "-l";
-
-	blobmsg_list_for_each(&jail->mount, var) {
-		const char *type = blobmsg_data(var->data);
-
-		if (*type == '1')
-			argv[argc++] = "-w";
-		else
-			argv[argc++] = "-r";
-		argv[argc++] = (char *) blobmsg_name(var->data);
-	}
-
-	argv[argc++] = "--";
-
-	return argc;
-}
-
 static void
 instance_run(struct service_instance *in, int _stdout, int _stderr)
 {
 	struct blobmsg_list_node *var;
 	struct blob_attr *cur;
 	char **argv;
-	char *ld_preload;
 	int argc = 1; /* NULL terminated */
 	int rem, _stdin;
-	bool seccomp = !in->trace && !in->has_jail && in->seccomp;
-	bool setlbf = _stdout >= 0;
 
 	if (in->nice)
 		setpriority(PRIO_PROCESS, 0, in->nice);
@@ -242,30 +155,12 @@ instance_run(struct service_instance *in, int _stdout, int _stderr)
 	blobmsg_list_for_each(&in->env, var)
 		setenv(blobmsg_name(var->data), blobmsg_data(var->data), 1);
 
-	if (seccomp)
-		setenv("SECCOMP_FILE", in->seccomp, 1);
-
-	if ((seccomp || setlbf) && asprintf(&ld_preload, "LD_PRELOAD=%s%s%s",
-			seccomp ? "/lib/libpreload-seccomp.so" : "",
-			seccomp && setlbf ? ":" : "",
-			setlbf ? "/lib/libsetlbf.so" : "") > 0)
-		putenv(ld_preload);
-
 	blobmsg_list_for_each(&in->limits, var)
 		instance_limits(blobmsg_name(var->data), blobmsg_data(var->data));
 
-	if (in->trace)
-		argc += 1;
-
-	argv = alloca(sizeof(char *) * (argc + in->jail.argc));
+	argv = alloca(sizeof(char *) * argc);
 	argc = 0;
 
-	if (in->trace)
-		argv[argc++] = trace;
-
-	if (in->has_jail)
-		argc = jail_run(in, argv);
-
 	blobmsg_for_each_attr(cur, in->command, rem)
 		argv[argc++] = blobmsg_data(cur);
 
@@ -532,9 +427,6 @@ instance_config_changed(struct service_instance *in, struct service_instance *in
 	if (!blobmsg_list_equal(&in->limits, &in_new->limits))
 		return true;
 
-	if (!blobmsg_list_equal(&in->jail.mount, &in_new->jail.mount))
-		return true;
-
 	if (!blobmsg_list_equal(&in->errors, &in_new->errors))
 		return true;
 
@@ -628,59 +520,6 @@ instance_fill_array(struct blobmsg_list *l, struct blob_attr *cur, blobmsg_updat
 	return true;
 }
 
-static int
-instance_jail_parse(struct service_instance *in, struct blob_attr *attr)
-{
-	struct blob_attr *tb[__JAIL_ATTR_MAX];
-	struct jail *jail = &in->jail;
-	struct stat s;
-
-	if (stat("/sbin/ujail", &s))
-		return 0;
-
-	blobmsg_parse(jail_attr, __JAIL_ATTR_MAX, tb,
-		blobmsg_data(attr), blobmsg_data_len(attr));
-
-	jail->argc = 2;
-
-	if (tb[JAIL_ATTR_NAME]) {
-		jail->name = blobmsg_get_string(tb[JAIL_ATTR_NAME]);
-		jail->argc += 2;
-	}
-	if (tb[JAIL_ATTR_ROOT]) {
-		jail->root = blobmsg_get_string(tb[JAIL_ATTR_ROOT]);
-		jail->argc += 2;
-	}
-	if (tb[JAIL_ATTR_PROCFS]) {
-		jail->procfs = blobmsg_get_bool(tb[JAIL_ATTR_PROCFS]);
-		jail->argc++;
-	}
-	if (tb[JAIL_ATTR_SYSFS]) {
-		jail->sysfs = blobmsg_get_bool(tb[JAIL_ATTR_SYSFS]);
-		jail->argc++;
-	}
-	if (tb[JAIL_ATTR_UBUS]) {
-		jail->ubus = blobmsg_get_bool(tb[JAIL_ATTR_UBUS]);
-		jail->argc++;
-	}
-	if (tb[JAIL_ATTR_LOG]) {
-		jail->log = blobmsg_get_bool(tb[JAIL_ATTR_LOG]);
-		jail->argc++;
-	}
-	if (tb[JAIL_ATTR_MOUNT]) {
-		struct blob_attr *cur;
-		int rem;
-
-		blobmsg_for_each_attr(cur, tb[JAIL_ATTR_MOUNT], rem)
-			jail->argc += 2;
-		instance_fill_array(&jail->mount, tb[JAIL_ATTR_MOUNT], NULL, false);
-	}
-	if (in->seccomp)
-		jail->argc += 2;
-
-	return 1;
-}
-
 static bool
 instance_config_parse(struct service_instance *in)
 {
@@ -724,19 +563,6 @@ instance_config_parse(struct service_instance *in)
 		in->respawn_timeout = vals[1];
 		in->respawn_retry = vals[2];
 	}
-	if (tb[INSTANCE_ATTR_TRIGGER]) {
-		in->trigger = tb[INSTANCE_ATTR_TRIGGER];
-		trigger_add(in->trigger, in);
-	}
-
-	if (tb[INSTANCE_ATTR_WATCH]) {
-		blobmsg_for_each_attr(cur2, tb[INSTANCE_ATTR_WATCH], rem) {
-			if (blobmsg_type(cur2) != BLOBMSG_TYPE_STRING)
-				continue;
-			DEBUG(3, "watch for %s\n", blobmsg_get_string(cur2));
-			watch_add(blobmsg_get_string(cur2), in);
-		}
-	}
 
 	if ((cur = tb[INSTANCE_ATTR_NICE])) {
 		in->nice = (int8_t) blobmsg_get_u32(cur);
@@ -752,21 +578,6 @@ instance_config_parse(struct service_instance *in)
 		}
 	}
 
-	if (tb[INSTANCE_ATTR_TRACE])
-		in->trace = blobmsg_get_bool(tb[INSTANCE_ATTR_TRACE]);
-
-	if (!in->trace && tb[INSTANCE_ATTR_SECCOMP]) {
-		char *seccomp = blobmsg_get_string(tb[INSTANCE_ATTR_SECCOMP]);
-		struct stat s;
-
-		if (stat(seccomp, &s))
-			ERROR("%s: not starting seccomp as %s is missing\n", in->name, seccomp);
-		else
-			in->seccomp = seccomp;
-	}
-	if (!in->trace && tb[INSTANCE_ATTR_JAIL])
-		in->has_jail = instance_jail_parse(in, tb[INSTANCE_ATTR_JAIL]);
-
 	if (tb[INSTANCE_ATTR_STDOUT] && blobmsg_get_bool(tb[INSTANCE_ATTR_STDOUT]))
 		in->_stdout.fd.fd = -1;
 
@@ -802,7 +613,6 @@ instance_config_cleanup(struct service_instance *in)
 	blobmsg_list_free(&in->file);
 	blobmsg_list_free(&in->limits);
 	blobmsg_list_free(&in->errors);
-	blobmsg_list_free(&in->jail.mount);
 }
 
 static void
@@ -815,8 +625,6 @@ instance_config_move(struct service_instance *in, struct service_instance *in_sr
 	blobmsg_list_move(&in->file, &in_src->file);
 	blobmsg_list_move(&in->limits, &in_src->limits);
 	blobmsg_list_move(&in->errors, &in_src->errors);
-	blobmsg_list_move(&in->jail.mount, &in_src->jail.mount);
-	in->trigger = in_src->trigger;
 	in->command = in_src->command;
 	in->name = in_src->name;
 	in->node.avl.key = in_src->node.avl.key;
@@ -853,8 +661,6 @@ instance_free(struct service_instance *in)
 	instance_free_stdio(in);
 	uloop_process_delete(&in->proc);
 	uloop_timeout_cancel(&in->timeout);
-	trigger_del(in);
-	watch_del(in);
 	instance_config_cleanup(in);
 	free(in->config);
 	free(in);
@@ -884,7 +690,6 @@ instance_init(struct service_instance *in, struct service *s, struct blob_attr *
 	blobmsg_list_simple_init(&in->data);
 	blobmsg_list_simple_init(&in->limits);
 	blobmsg_list_simple_init(&in->errors);
-	blobmsg_list_simple_init(&in->jail.mount);
 	in->valid = instance_config_parse(in);
 }
 
@@ -941,34 +746,5 @@ void instance_dump(struct blob_buf *b, struct service_instance *in, int verbose)
 		blobmsg_close_table(b, r);
 	}
 
-	if (in->trace)
-		blobmsg_add_u8(b, "trace", true);
-
-	if (in->seccomp)
-		blobmsg_add_string(b, "seccomp", in->seccomp);
-
-	if (in->has_jail) {
-		void *r = blobmsg_open_table(b, "jail");
-		if (in->jail.name)
-			blobmsg_add_string(b, "name", in->jail.name);
-		if (in->jail.root)
-			blobmsg_add_string(b, "root", in->jail.root);
-		blobmsg_add_u8(b, "procfs", in->jail.procfs);
-		blobmsg_add_u8(b, "sysfs", in->jail.sysfs);
-		blobmsg_add_u8(b, "ubus", in->jail.ubus);
-		blobmsg_add_u8(b, "log", in->jail.log);
-		blobmsg_close_table(b, r);
-		if (!avl_is_empty(&in->jail.mount.avl)) {
-			struct blobmsg_list_node *var;
-			void *e = blobmsg_open_table(b, "mount");
-			blobmsg_list_for_each(&in->jail.mount, var)
-				blobmsg_add_string(b, blobmsg_name(var->data), blobmsg_data(var->data));
-			blobmsg_close_table(b, e);
-		}
-	}
-
-	if (verbose && in->trigger)
-		blobmsg_add_blob(b, in->trigger);
-
 	blobmsg_close_table(b, i);
 }
diff --git a/service/instance.h b/service/instance.h
index cdf0bf7..4970dca 100644
--- a/service/instance.h
+++ b/service/instance.h
@@ -51,11 +51,6 @@ struct service_instance {
 	int respawn_count;
 	struct timespec start;
 
-	bool trace;
-	bool has_jail;
-	struct jail jail;
-	char *seccomp;
-
 	uint32_t respawn_timeout;
 	uint32_t respawn_threshold;
 	uint32_t respawn_retry;
@@ -67,7 +62,6 @@ struct service_instance {
 	struct ustream_fd _stderr;
 
 	struct blob_attr *command;
-	struct blob_attr *trigger;
 	struct blobmsg_list env;
 	struct blobmsg_list data;
 	struct blobmsg_list netdev;
diff --git a/service/service.c b/service/service.c
index a983cee..8d5dd95 100644
--- a/service/service.c
+++ b/service/service.c
@@ -66,7 +66,6 @@ service_instance_update(struct vlist_tree *tree, struct vlist_node *node_new,
 		instance_start(in_n);
 	}
 	blob_buf_init(&b, 0);
-	trigger_event("instance.update", b.head);
 }
 
 static struct service *
@@ -90,7 +89,6 @@ enum {
 	SERVICE_SET_NAME,
 	SERVICE_SET_SCRIPT,
 	SERVICE_SET_INSTANCES,
-	SERVICE_SET_TRIGGER,
 	__SERVICE_SET_MAX
 };
 
@@ -98,7 +96,6 @@ static const struct blobmsg_policy service_set_attrs[__SERVICE_SET_MAX] = {
 	[SERVICE_SET_NAME] = { "name", BLOBMSG_TYPE_STRING },
 	[SERVICE_SET_SCRIPT] = { "script", BLOBMSG_TYPE_STRING },
 	[SERVICE_SET_INSTANCES] = { "instances", BLOBMSG_TYPE_TABLE },
-	[SERVICE_SET_TRIGGER] = { "triggers", BLOBMSG_TYPE_ARRAY },
 };
 
 static int
@@ -107,19 +104,6 @@ service_update(struct service *s, struct blob_attr **tb, bool add)
 	struct blob_attr *cur;
 	int rem;
 
-	if (s->trigger) {
-		trigger_del(s);
-		free(s->trigger);
-		s->trigger = NULL;
-	}
-
-	if (tb[SERVICE_SET_TRIGGER] && blobmsg_data_len(tb[SERVICE_SET_TRIGGER])) {
-		s->trigger = blob_memdup(tb[SERVICE_SET_TRIGGER]);
-		if (!s->trigger)
-			return -1;
-		trigger_add(s->trigger, s);
-	}
-
 	if (tb[SERVICE_SET_INSTANCES]) {
 		if (!add)
 			vlist_update(&s->instances);
@@ -139,8 +123,6 @@ service_delete(struct service *s)
 	service_event("service.stop", s->name, NULL);
 	vlist_flush_all(&s->instances);
 	avl_delete(&services, &s->avl);
-	trigger_del(s);
-	free(s->trigger);
 	free(s);
 }
 
@@ -253,8 +235,6 @@ service_dump(struct service *s, bool verbose)
 			instance_dump(&b, in, verbose);
 		blobmsg_close_table(&b, i);
 	}
-	if (verbose && s->trigger)
-		blobmsg_add_blob(&b, s->trigger);
 	blobmsg_close_table(&b, c);
 }
 
@@ -351,25 +331,6 @@ service_handle_update(struct ubus_context *ctx, struct ubus_object *obj,
 }
 
 static int
-service_handle_event(struct ubus_context *ctx, struct ubus_object *obj,
-			struct ubus_request_data *req, const char *method,
-			struct blob_attr *msg)
-{
-	struct blob_attr *tb[__EVENT_MAX];
-
-	if (!msg)
-		return UBUS_STATUS_INVALID_ARGUMENT;
-
-	blobmsg_parse(event_policy, __EVENT_MAX, tb, blob_data(msg), blob_len(msg));
-	if (!tb[EVENT_TYPE] || !tb[EVENT_DATA])
-		return UBUS_STATUS_INVALID_ARGUMENT;
-
-	trigger_event(blobmsg_get_string(tb[EVENT_TYPE]), tb[EVENT_DATA]);
-
-	return 0;
-}
-
-static int
 service_get_data(struct ubus_context *ctx, struct ubus_object *obj,
 		 struct ubus_request_data *req, const char *method,
 		 struct blob_attr *msg)
@@ -435,7 +396,6 @@ static struct ubus_method main_object_methods[] = {
 	UBUS_METHOD("delete", service_handle_delete, service_del_attrs),
 	UBUS_METHOD("update_start", service_handle_update, service_attrs),
 	UBUS_METHOD("update_complete", service_handle_update, service_attrs),
-	UBUS_METHOD("event", service_handle_event, event_policy),
 	UBUS_METHOD("get_data", service_get_data, get_data_policy),
 };
 
diff --git a/service/trigger.c b/service/trigger.c
deleted file mode 100644
index 9c7115c..0000000
--- a/service/trigger.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2015 Matthias Schiffer <mschiffer@universe-factory.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2.1
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <sys/stat.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-
-#include <linux/types.h>
-#include <linux/netlink.h>
-
-#include <libubox/blobmsg_json.h>
-#include <libubox/json_script.h>
-#include <libubox/runqueue.h>
-#include <libubox/ustream.h>
-#include <libubox/uloop.h>
-
-#include <fcntl.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <libgen.h>
-
-#include "../procd.h"
-
-struct trigger {
-	struct list_head list;
-
-	char *type;
-
-	int pending;
-	int remove;
-	int timeout;
-
-	void *id;
-
-	struct blob_attr *rule;
-	struct blob_attr *data;
-	struct uloop_timeout delay;
-
-	struct json_script_ctx jctx;
-};
-
-struct job;
-struct cmd {
-	char *name;
-	void (*handler)(struct job *job, struct blob_attr *exec, struct blob_attr *env);
-};
-
-struct job {
-	struct runqueue_process proc;
-	struct cmd *cmd;
-	struct trigger *trigger;
-	struct blob_attr *exec;
-	struct blob_attr *env;
-};
-
-static LIST_HEAD(triggers);
-static struct runqueue q;
-
-static const char* rule_handle_var(struct json_script_ctx *ctx, const char *name, struct blob_attr *vars)
-{
-	return NULL;
-}
-
-static struct json_script_file *
-rule_load_script(struct json_script_ctx *ctx, const char *name)
-{
-	struct trigger *t = container_of(ctx, struct trigger, jctx);
-
-	return json_script_file_from_blobmsg(t->type, t->rule, blob_pad_len(t->rule));
-}
-
-static void q_job_run(struct runqueue *q, struct runqueue_task *t)
-{
-	struct job *j = container_of(t, struct job, proc.task);
-
-	DEBUG(4, "handle event %s\n", j->cmd->name);
-	j->cmd->handler(j, j->exec, j->env);
-}
-
-static void trigger_free(struct trigger *t)
-{
-	json_script_free(&t->jctx);
-	uloop_timeout_cancel(&t->delay);
-	free(t->data);
-	list_del(&t->list);
-	free(t);
-}
-
-static void q_job_complete(struct runqueue *q, struct runqueue_task *p)
-{
-	struct job *j = container_of(p, struct job, proc.task);
-
-	if (j->trigger->remove) {
-		trigger_free(j->trigger);
-	} else {
-		j->trigger->pending = 0;
-	}
-	free(j);
-}
-
-static void add_job(struct trigger *t, struct cmd *cmd, struct blob_attr *exec, struct blob_attr *data)
-{
-	static const struct runqueue_task_type job_type = {
-		.run = q_job_run,
-		.cancel = runqueue_process_cancel_cb,
-		.kill = runqueue_process_kill_cb,
-	};
-	struct blob_attr *d, *e;
-	struct job *j = calloc_a(sizeof(*j), &e, blob_pad_len(exec), &d, blob_pad_len(data));
-
-	j->env = d;
-	j->exec = e;
-	j->cmd = cmd;
-	j->trigger = t;
-	j->proc.task.type = &job_type;
-	j->proc.task.complete = q_job_complete;
-	t->pending = 1;
-
-	memcpy(j->exec, exec, blob_pad_len(exec));
-	memcpy(j->env, data, blob_pad_len(data));
-
-	runqueue_task_add(&q, &j->proc.task, false);
-}
-
-static void _setenv(const char *key, const char *val)
-{
-	char _key[32];
-
-	snprintf(_key, sizeof(_key), "PARAM_%s", key);
-	setenv(_key, val, 1);
-}
-
-static void handle_run_script(struct job *j, struct blob_attr *exec, struct blob_attr *env)
-{
-	char *argv[8];
-	struct blob_attr *cur;
-	int rem;
-	int i = 0;
-	pid_t pid;
-
-	pid = fork();
-	if (pid < 0)
-		return;
-
-	if (pid) {
-		runqueue_process_add(&q, &j->proc, pid);
-		return;
-	}
-
-	if (debug < 3) {
-		close(STDIN_FILENO);
-		close(STDOUT_FILENO);
-		close(STDERR_FILENO);
-	}
-
-	_setenv("type", j->trigger->type);
-	blobmsg_for_each_attr(cur, j->env, rem)
-		_setenv(blobmsg_name(cur), blobmsg_data(cur));
-
-	blobmsg_for_each_attr(cur, j->exec, rem) {
-		argv[i] = blobmsg_data(cur);
-		i++;
-		if (i == 7)
-			break;
-	}
-
-	if (i > 0) {
-		argv[i] = NULL;
-		execvp(argv[0], &argv[0]);
-	}
-
-	exit(1);
-}
-
-static struct cmd handlers[] = {
-	{
-		.name = "run_script",
-		.handler = handle_run_script,
-	},
-};
-
-static void rule_handle_command(struct json_script_ctx *ctx, const char *name,
-				struct blob_attr *exec, struct blob_attr *vars)
-{
-	struct trigger *t = container_of(ctx, struct trigger, jctx);
-	int i;
-
-	if (t->pending)
-		return;
-
-	for (i = 0; i < ARRAY_SIZE(handlers); i++) {
-		if (!strcmp(handlers[i].name, name)) {
-			add_job(t, &handlers[i], exec, vars);
-			break;
-		}
-	}
-}
-
-static void rule_handle_error(struct json_script_ctx *ctx, const char *msg,
-				struct blob_attr *context)
-{
-	char *s;
-
-	s = blobmsg_format_json(context, false);
-	ERROR("ERROR: %s in block: %s\n", msg, s);
-	free(s);
-}
-
-static void q_empty(struct runqueue *q)
-{
-}
-
-static void trigger_delay_cb(struct uloop_timeout *tout)
-{
-	struct trigger *t = container_of(tout, struct trigger, delay);
-
-	json_script_run(&t->jctx, "foo", t->data);
-	free(t->data);
-	t->data = NULL;
-}
-
-static struct trigger* _trigger_add(char *type, struct blob_attr *rule, int timeout, void *id)
-{
-	char *_t;
-	struct blob_attr *_r;
-	struct trigger *t = calloc_a(sizeof(*t), &_t, strlen(type) + 1, &_r, blob_pad_len(rule));
-
-	t->type = _t;
-	t->rule = _r;
-	t->delay.cb = trigger_delay_cb;
-	t->timeout = timeout;
-	t->pending = 0;
-	t->remove = 0;
-	t->id = id;
-	t->jctx.handle_var = rule_handle_var,
-	t->jctx.handle_error = rule_handle_error,
-	t->jctx.handle_command = rule_handle_command,
-	t->jctx.handle_file = rule_load_script,
-
-	strcpy(t->type, type);
-	memcpy(t->rule, rule, blob_pad_len(rule));
-
-	list_add(&t->list, &triggers);
-	json_script_init(&t->jctx);
-
-	return t;
-}
-
-void trigger_add(struct blob_attr *rule, void *id)
-{
-	struct blob_attr *cur;
-	int rem;
-
-	blobmsg_for_each_attr(cur, rule, rem) {
-		struct blob_attr *_cur, *type = NULL, *script = NULL, *timeout = NULL;
-		int _rem;
-		int i = 0;
-
-		if (blobmsg_type(cur) != BLOBMSG_TYPE_ARRAY)
-			continue;
-
-		blobmsg_for_each_attr(_cur, cur, _rem) {
-			switch (i++) {
-			case 0:
-				if (blobmsg_type(_cur) == BLOBMSG_TYPE_STRING)
-					type = _cur;
-				break;
-
-			case 1:
-				if (blobmsg_type(_cur) == BLOBMSG_TYPE_ARRAY)
-					script = _cur;
-				break;
-
-			case 2:
-				if (blobmsg_type(_cur) == BLOBMSG_TYPE_INT32)
-					timeout = _cur;
-				break;
-			}
-		}
-
-		if (type && script) {
-			int t = 0;
-
-			if (timeout)
-				t = blobmsg_get_u32(timeout);
-			_trigger_add(blobmsg_get_string(type), script, t, id);
-		}
-	}
-}
-
-void trigger_del(void *id)
-{
-	struct trigger *t, *n;
-
-	list_for_each_entry_safe(t, n, &triggers, list) {
-		if (t->id != id)
-			continue;
-
-		if (t->pending) {
-			t->remove = 1;
-			continue;
-		}
-
-		trigger_free(t);
-	}
-}
-
-void trigger_init(void)
-{
-	runqueue_init(&q);
-	q.empty_cb = q_empty;
-	q.max_running_tasks = 1;
-}
-
-static bool trigger_match(const char *event, const char *match)
-{
-	char *wildcard = strstr(match, ".*");
-	if (wildcard)
-		return !strncmp(event, match, wildcard - match);
-	return !strcmp(event, match);
-}
-
-void trigger_event(const char *type, struct blob_attr *data)
-{
-	struct trigger *t;
-
-	list_for_each_entry(t, &triggers, list) {
-		if (t->remove)
-			continue;
-		if (trigger_match(type, t->type)) {
-			if (t->timeout) {
-				free(t->data);
-				t->data = blob_memdup(data);
-				uloop_timeout_set(&t->delay, t->timeout);
-			} else {
-				json_script_run(&t->jctx, "foo", data);
-			}
-		}
-	}
-}
diff --git a/service/watch.c b/service/watch.c
deleted file mode 100644
index cc0b2ee..0000000
--- a/service/watch.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2015 Matthias Schiffer <mschiffer@universe-factory.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2.1
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <libubox/blobmsg_json.h>
-
-#include "../procd.h"
-
-struct watch_object {
-	struct list_head list;
-
-	void *id;
-	char *name;
-};
-
-static struct ubus_event_handler watch_event;
-static struct ubus_subscriber watch_subscribe;
-static LIST_HEAD(watch_objects);
-
-static void watch_subscribe_cb(struct ubus_context *ctx, struct ubus_event_handler *ev,
-		const char *type, struct blob_attr *msg)
-{
-	static const struct blobmsg_policy policy = {
-		"path", BLOBMSG_TYPE_STRING
-	};
-	struct watch_object *o;
-	struct blob_attr *attr;
-	const char *path;
-
-	DEBUG(3, "ubus event %s\n", type);
-	if (strcmp(type, "ubus.object.add") != 0)
-		return;
-
-	blobmsg_parse(&policy, 1, &attr, blob_data(msg), blob_len(msg));
-	if (!attr)
-		return;
-
-	path = blobmsg_data(attr);
-	DEBUG(3, "ubus path %s\n", path);
-
-	list_for_each_entry(o, &watch_objects, list) {
-		unsigned int id;
-
-		if (strcmp(o->name, path))
-			continue;
-		if (ubus_lookup_id(ctx, path, &id))
-			continue;
-		if (!ubus_subscribe(ctx, &watch_subscribe, id))
-			return;
-		ERROR("failed to subscribe %d\n", id);
-	}
-}
-
-void
-watch_add(const char *_name, void *id)
-{
-	int len = strlen(_name);
-	char *name;
-	struct watch_object *o = calloc_a(sizeof(*o), &name, len + 1);
-
-	o->name = name;
-	strcpy(name, _name);
-	o->id = id;
-	list_add(&o->list, &watch_objects);
-}
-
-void
-watch_del(void *id)
-{
-	struct watch_object *t, *n;
-
-	list_for_each_entry_safe(t, n, &watch_objects, list) {
-		if (t->id != id)
-			continue;
-		list_del(&t->list);
-		free(t);
-	}
-}
-
-static int
-watch_notify_cb(struct ubus_context *ctx, struct ubus_object *obj,
-		struct ubus_request_data *req, const char *method,
-		struct blob_attr *msg)
-{
-	if (debug >= 3) {
-		char *str;
-
-		str = blobmsg_format_json(msg, true);
-		DEBUG(3, "Received ubus notify '%s': %s\n", method, str);
-		free(str);
-	}
-
-	trigger_event(method, msg);
-	return 0;
-}
-
-void
-watch_ubus(struct ubus_context *ctx)
-{
-	watch_event.cb = watch_subscribe_cb;
-	watch_subscribe.cb = watch_notify_cb;
-	if (ubus_register_subscriber(ctx, &watch_subscribe))
-		ERROR("failed to register ubus subscriber\n");
-	if (ubus_register_event_handler(ctx, &watch_event, "ubus.object.add"))
-		ERROR("failed to add ubus event handler\n");
-}