2 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
3 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License version 2.1
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
16 #include <sys/resource.h>
17 #include <sys/types.h>
18 #include <sys/socket.h>
29 #include <libubox/md5.h>
38 INSTANCE_ATTR_COMMAND,
43 INSTANCE_ATTR_TRIGGER,
44 INSTANCE_ATTR_RESPAWN,
52 INSTANCE_ATTR_NO_NEW_PRIVS,
55 INSTANCE_ATTR_SECCOMP,
59 static const struct blobmsg_policy instance_attr[__INSTANCE_ATTR_MAX] = {
60 [INSTANCE_ATTR_COMMAND] = { "command", BLOBMSG_TYPE_ARRAY },
61 [INSTANCE_ATTR_ENV] = { "env", BLOBMSG_TYPE_TABLE },
62 [INSTANCE_ATTR_DATA] = { "data", BLOBMSG_TYPE_TABLE },
63 [INSTANCE_ATTR_NETDEV] = { "netdev", BLOBMSG_TYPE_ARRAY },
64 [INSTANCE_ATTR_FILE] = { "file", BLOBMSG_TYPE_ARRAY },
65 [INSTANCE_ATTR_TRIGGER] = { "triggers", BLOBMSG_TYPE_ARRAY },
66 [INSTANCE_ATTR_RESPAWN] = { "respawn", BLOBMSG_TYPE_ARRAY },
67 [INSTANCE_ATTR_NICE] = { "nice", BLOBMSG_TYPE_INT32 },
68 [INSTANCE_ATTR_LIMITS] = { "limits", BLOBMSG_TYPE_TABLE },
69 [INSTANCE_ATTR_WATCH] = { "watch", BLOBMSG_TYPE_ARRAY },
70 [INSTANCE_ATTR_ERROR] = { "error", BLOBMSG_TYPE_ARRAY },
71 [INSTANCE_ATTR_USER] = { "user", BLOBMSG_TYPE_STRING },
72 [INSTANCE_ATTR_STDOUT] = { "stdout", BLOBMSG_TYPE_BOOL },
73 [INSTANCE_ATTR_STDERR] = { "stderr", BLOBMSG_TYPE_BOOL },
74 [INSTANCE_ATTR_NO_NEW_PRIVS] = { "no_new_privs", BLOBMSG_TYPE_BOOL },
75 [INSTANCE_ATTR_JAIL] = { "jail", BLOBMSG_TYPE_TABLE },
76 [INSTANCE_ATTR_TRACE] = { "trace", BLOBMSG_TYPE_BOOL },
77 [INSTANCE_ATTR_SECCOMP] = { "seccomp", BLOBMSG_TYPE_STRING },
92 static const struct blobmsg_policy jail_attr[__JAIL_ATTR_MAX] = {
93 [JAIL_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING },
94 [JAIL_ATTR_HOSTNAME] = { "hostname", BLOBMSG_TYPE_STRING },
95 [JAIL_ATTR_PROCFS] = { "procfs", BLOBMSG_TYPE_BOOL },
96 [JAIL_ATTR_SYSFS] = { "sysfs", BLOBMSG_TYPE_BOOL },
97 [JAIL_ATTR_UBUS] = { "ubus", BLOBMSG_TYPE_BOOL },
98 [JAIL_ATTR_LOG] = { "log", BLOBMSG_TYPE_BOOL },
99 [JAIL_ATTR_RONLY] = { "ronly", BLOBMSG_TYPE_BOOL },
100 [JAIL_ATTR_MOUNT] = { "mount", BLOBMSG_TYPE_TABLE },
103 struct instance_netdev {
104 struct blobmsg_list_node node;
108 struct instance_file {
109 struct blobmsg_list_node node;
118 static const struct rlimit_name rlimit_names[] = {
120 { "core", RLIMIT_CORE },
121 { "cpu", RLIMIT_CPU },
122 { "data", RLIMIT_DATA },
123 { "fsize", RLIMIT_FSIZE },
124 { "memlock", RLIMIT_MEMLOCK },
125 { "msgqueue", RLIMIT_MSGQUEUE },
126 { "nice", RLIMIT_NICE },
127 { "nofile", RLIMIT_NOFILE },
128 { "nproc", RLIMIT_NPROC },
129 { "rss", RLIMIT_RSS },
130 { "rtprio", RLIMIT_RTPRIO },
131 { "sigpending", RLIMIT_SIGPENDING },
132 { "stack", RLIMIT_STACK },
136 static char trace[] = "/sbin/utrace";
138 static void closefd(int fd)
140 if (fd > STDERR_FILENO)
145 instance_limits(const char *limit, const char *value)
149 unsigned long cur, max;
151 for (i = 0; rlimit_names[i].name != NULL; i++) {
152 if (strcmp(rlimit_names[i].name, limit))
154 if (!strcmp(value, "unlimited")) {
155 rlim.rlim_cur = RLIM_INFINITY;
156 rlim.rlim_max = RLIM_INFINITY;
158 if (getrlimit(rlimit_names[i].resource, &rlim))
164 if (sscanf(value, "%lu %lu", &cur, &max) < 1)
171 setrlimit(rlimit_names[i].resource, &rlim);
177 jail_run(struct service_instance *in, char **argv)
179 struct blobmsg_list_node *var;
180 struct jail *jail = &in->jail;
183 argv[argc++] = "/sbin/ujail";
187 argv[argc++] = jail->name;
190 if (jail->hostname) {
192 argv[argc++] = jail->hostname;
197 argv[argc++] = in->seccomp;
200 if (in->no_new_privs)
218 blobmsg_list_for_each(&jail->mount, var) {
219 const char *type = blobmsg_data(var->data);
225 argv[argc++] = (char *) blobmsg_name(var->data);
234 instance_run(struct service_instance *in, int _stdout, int _stderr)
236 struct blobmsg_list_node *var;
237 struct blob_attr *cur;
240 int argc = 1; /* NULL terminated */
242 bool seccomp = !in->trace && !in->has_jail && in->seccomp;
243 bool setlbf = _stdout >= 0;
246 setpriority(PRIO_PROCESS, 0, in->nice);
248 blobmsg_for_each_attr(cur, in->command, rem)
251 blobmsg_list_for_each(&in->env, var)
252 setenv(blobmsg_name(var->data), blobmsg_data(var->data), 1);
255 setenv("SECCOMP_FILE", in->seccomp, 1);
257 if ((seccomp || setlbf) && asprintf(&ld_preload, "LD_PRELOAD=%s%s%s",
258 seccomp ? "/lib/libpreload-seccomp.so" : "",
259 seccomp && setlbf ? ":" : "",
260 setlbf ? "/lib/libsetlbf.so" : "") > 0)
263 blobmsg_list_for_each(&in->limits, var)
264 instance_limits(blobmsg_name(var->data), blobmsg_data(var->data));
269 argv = alloca(sizeof(char *) * (argc + in->jail.argc));
273 argv[argc++] = trace;
276 argc = jail_run(in, argv);
278 blobmsg_for_each_attr(cur, in->command, rem)
279 argv[argc++] = blobmsg_data(cur);
283 _stdin = open("/dev/null", O_RDONLY);
286 _stdout = open("/dev/null", O_WRONLY);
289 _stderr = open("/dev/null", O_WRONLY);
292 dup2(_stdin, STDIN_FILENO);
296 dup2(_stdout, STDOUT_FILENO);
300 dup2(_stderr, STDERR_FILENO);
304 if (in->gid && setgid(in->gid)) {
305 ERROR("failed to set group id %d: %d (%s)\n", in->gid, errno, strerror(errno));
308 if (in->uid && setuid(in->uid)) {
309 ERROR("failed to set user id %d: %d (%s)\n", in->uid, errno, strerror(errno));
313 execvp(argv[0], argv);
318 instance_free_stdio(struct service_instance *in)
320 if (in->_stdout.fd.fd > -1) {
321 ustream_free(&in->_stdout.stream);
322 close(in->_stdout.fd.fd);
323 in->_stdout.fd.fd = -1;
326 if (in->_stderr.fd.fd > -1) {
327 ustream_free(&in->_stderr.stream);
328 close(in->_stderr.fd.fd);
329 in->_stderr.fd.fd = -1;
334 instance_start(struct service_instance *in)
337 int opipe[2] = { -1, -1 };
338 int epipe[2] = { -1, -1 };
340 if (!avl_is_empty(&in->errors.avl)) {
341 LOG("Not starting instance %s::%s, an error was indicated\n", in->srv->name, in->name);
345 if (in->proc.pending)
348 instance_free_stdio(in);
349 if (in->_stdout.fd.fd > -2) {
351 ULOG_WARN("pipe() failed: %d (%s)\n", errno, strerror(errno));
352 opipe[0] = opipe[1] = -1;
356 if (in->_stderr.fd.fd > -2) {
358 ULOG_WARN("pipe() failed: %d (%s)\n", errno, strerror(errno));
359 epipe[0] = epipe[1] = -1;
364 in->halt = !in->respawn;
377 instance_run(in, opipe[1], epipe[1]);
381 DEBUG(2, "Started instance %s::%s\n", in->srv->name, in->name);
383 clock_gettime(CLOCK_MONOTONIC, &in->start);
384 uloop_process_add(&in->proc);
387 ustream_fd_init(&in->_stdout, opipe[0]);
392 ustream_fd_init(&in->_stderr, epipe[0]);
396 service_event("instance.start", in->srv->name, in->name);
400 instance_stdio(struct ustream *s, int prio, struct service_instance *in)
402 char *newline, *str, *arg0, ident[32];
405 arg0 = basename(blobmsg_data(blobmsg_data(in->command)));
406 snprintf(ident, sizeof(ident), "%s[%d]", arg0, in->proc.pid);
407 ulog_open(ULOG_SYSLOG, LOG_DAEMON, ident);
410 str = ustream_get_read_buf(s, NULL);
414 newline = strchr(str, '\n');
419 ulog(prio, "%s\n", str);
421 len = newline + 1 - str;
422 ustream_consume(s, len);
425 ulog_open(ULOG_SYSLOG, LOG_DAEMON, "procd");
429 instance_stdout(struct ustream *s, int bytes)
431 instance_stdio(s, LOG_INFO,
432 container_of(s, struct service_instance, _stdout.stream));
436 instance_stderr(struct ustream *s, int bytes)
438 instance_stdio(s, LOG_ERR,
439 container_of(s, struct service_instance, _stderr.stream));
443 instance_timeout(struct uloop_timeout *t)
445 struct service_instance *in;
447 in = container_of(t, struct service_instance, timeout);
449 if (!in->halt && (in->restart || in->respawn))
454 instance_exit(struct uloop_process *p, int ret)
456 struct service_instance *in;
460 in = container_of(p, struct service_instance, proc);
462 clock_gettime(CLOCK_MONOTONIC, &tp);
463 runtime = tp.tv_sec - in->start.tv_sec;
465 DEBUG(2, "Instance %s::%s exit with error code %d after %ld seconds\n", in->srv->name, in->name, ret, runtime);
469 uloop_timeout_cancel(&in->timeout);
472 } else if (in->restart) {
474 } else if (in->respawn) {
475 if (runtime < in->respawn_threshold)
478 in->respawn_count = 0;
479 if (in->respawn_count > in->respawn_retry && in->respawn_retry > 0 ) {
480 LOG("Instance %s::%s s in a crash loop %d crashes, %ld seconds since last crash\n",
481 in->srv->name, in->name, in->respawn_count, runtime);
482 in->restart = in->respawn = 0;
485 uloop_timeout_set(&in->timeout, in->respawn_timeout * 1000);
488 service_event("instance.stop", in->srv->name, in->name);
492 instance_stop(struct service_instance *in)
494 if (!in->proc.pending)
497 in->restart = in->respawn = false;
498 kill(in->proc.pid, SIGTERM);
502 instance_restart(struct service_instance *in)
504 if (!in->proc.pending)
508 kill(in->proc.pid, SIGTERM);
512 instance_config_changed(struct service_instance *in, struct service_instance *in_new)
517 if (!blob_attr_equal(in->command, in_new->command))
520 if (!blobmsg_list_equal(&in->env, &in_new->env))
523 if (!blobmsg_list_equal(&in->data, &in_new->data))
526 if (!blobmsg_list_equal(&in->netdev, &in_new->netdev))
529 if (!blobmsg_list_equal(&in->file, &in_new->file))
532 if (in->nice != in_new->nice)
535 if (in->uid != in_new->uid)
538 if (in->gid != in_new->gid)
541 if (!blobmsg_list_equal(&in->limits, &in_new->limits))
544 if (!blobmsg_list_equal(&in->jail.mount, &in_new->jail.mount))
547 if (!blobmsg_list_equal(&in->errors, &in_new->errors))
554 instance_netdev_cmp(struct blobmsg_list_node *l1, struct blobmsg_list_node *l2)
556 struct instance_netdev *n1 = container_of(l1, struct instance_netdev, node);
557 struct instance_netdev *n2 = container_of(l2, struct instance_netdev, node);
559 return n1->ifindex == n2->ifindex;
563 instance_netdev_update(struct blobmsg_list_node *l)
565 struct instance_netdev *n = container_of(l, struct instance_netdev, node);
567 n->ifindex = if_nametoindex(n->node.avl.key);
571 instance_file_cmp(struct blobmsg_list_node *l1, struct blobmsg_list_node *l2)
573 struct instance_file *f1 = container_of(l1, struct instance_file, node);
574 struct instance_file *f2 = container_of(l2, struct instance_file, node);
576 return !memcmp(f1->md5, f2->md5, sizeof(f1->md5));
580 instance_file_update(struct blobmsg_list_node *l)
582 struct instance_file *f = container_of(l, struct instance_file, node);
587 memset(f->md5, 0, sizeof(f->md5));
589 fd = open(l->avl.key, O_RDONLY);
595 len = read(fd, buf, sizeof(buf));
605 md5_hash(buf, len, &md5);
608 md5_end(f->md5, &md5);
613 instance_fill_any(struct blobmsg_list *l, struct blob_attr *cur)
618 blobmsg_list_fill(l, blobmsg_data(cur), blobmsg_data_len(cur), false);
622 instance_fill_array(struct blobmsg_list *l, struct blob_attr *cur, blobmsg_update_cb cb, bool array)
624 struct blobmsg_list_node *node;
629 if (!blobmsg_check_attr_list(cur, BLOBMSG_TYPE_STRING))
632 blobmsg_list_fill(l, blobmsg_data(cur), blobmsg_data_len(cur), array);
634 blobmsg_list_for_each(l, node)
641 instance_jail_parse(struct service_instance *in, struct blob_attr *attr)
643 struct blob_attr *tb[__JAIL_ATTR_MAX];
644 struct jail *jail = &in->jail;
647 if (stat("/sbin/ujail", &s))
650 blobmsg_parse(jail_attr, __JAIL_ATTR_MAX, tb,
651 blobmsg_data(attr), blobmsg_data_len(attr));
655 if (tb[JAIL_ATTR_NAME]) {
656 jail->name = blobmsg_get_string(tb[JAIL_ATTR_NAME]);
659 if (tb[JAIL_ATTR_HOSTNAME]) {
660 jail->hostname = blobmsg_get_string(tb[JAIL_ATTR_HOSTNAME]);
663 if (tb[JAIL_ATTR_PROCFS]) {
664 jail->procfs = blobmsg_get_bool(tb[JAIL_ATTR_PROCFS]);
667 if (tb[JAIL_ATTR_SYSFS]) {
668 jail->sysfs = blobmsg_get_bool(tb[JAIL_ATTR_SYSFS]);
671 if (tb[JAIL_ATTR_UBUS]) {
672 jail->ubus = blobmsg_get_bool(tb[JAIL_ATTR_UBUS]);
675 if (tb[JAIL_ATTR_LOG]) {
676 jail->log = blobmsg_get_bool(tb[JAIL_ATTR_LOG]);
679 if (tb[JAIL_ATTR_RONLY]) {
680 jail->ronly = blobmsg_get_bool(tb[JAIL_ATTR_RONLY]);
683 if (tb[JAIL_ATTR_MOUNT]) {
684 struct blob_attr *cur;
687 blobmsg_for_each_attr(cur, tb[JAIL_ATTR_MOUNT], rem)
689 instance_fill_array(&jail->mount, tb[JAIL_ATTR_MOUNT], NULL, false);
698 instance_config_parse(struct service_instance *in)
700 struct blob_attr *tb[__INSTANCE_ATTR_MAX];
701 struct blob_attr *cur, *cur2;
705 blobmsg_parse(instance_attr, __INSTANCE_ATTR_MAX, tb,
706 blobmsg_data(in->config), blobmsg_data_len(in->config));
708 cur = tb[INSTANCE_ATTR_COMMAND];
712 if (!blobmsg_check_attr_list(cur, BLOBMSG_TYPE_STRING))
715 blobmsg_for_each_attr(cur2, cur, rem) {
724 if (tb[INSTANCE_ATTR_RESPAWN]) {
726 uint32_t vals[3] = { 3600, 5, 5};
728 blobmsg_for_each_attr(cur2, tb[INSTANCE_ATTR_RESPAWN], rem) {
729 if ((i >= 3) && (blobmsg_type(cur2) == BLOBMSG_TYPE_STRING))
731 vals[i] = atoi(blobmsg_get_string(cur2));
735 in->respawn_count = 0;
736 in->respawn_threshold = vals[0];
737 in->respawn_timeout = vals[1];
738 in->respawn_retry = vals[2];
740 if (tb[INSTANCE_ATTR_TRIGGER]) {
741 in->trigger = tb[INSTANCE_ATTR_TRIGGER];
742 trigger_add(in->trigger, in);
745 if (tb[INSTANCE_ATTR_WATCH]) {
746 blobmsg_for_each_attr(cur2, tb[INSTANCE_ATTR_WATCH], rem) {
747 if (blobmsg_type(cur2) != BLOBMSG_TYPE_STRING)
749 DEBUG(3, "watch for %s\n", blobmsg_get_string(cur2));
750 watch_add(blobmsg_get_string(cur2), in);
754 if ((cur = tb[INSTANCE_ATTR_NICE])) {
755 in->nice = (int8_t) blobmsg_get_u32(cur);
756 if (in->nice < -20 || in->nice > 20)
760 if (tb[INSTANCE_ATTR_USER]) {
761 struct passwd *p = getpwnam(blobmsg_get_string(tb[INSTANCE_ATTR_USER]));
768 if (tb[INSTANCE_ATTR_TRACE])
769 in->trace = blobmsg_get_bool(tb[INSTANCE_ATTR_TRACE]);
771 if (tb[INSTANCE_ATTR_NO_NEW_PRIVS])
772 in->no_new_privs = blobmsg_get_bool(tb[INSTANCE_ATTR_NO_NEW_PRIVS]);
774 if (!in->trace && tb[INSTANCE_ATTR_SECCOMP]) {
775 char *seccomp = blobmsg_get_string(tb[INSTANCE_ATTR_SECCOMP]);
778 if (stat(seccomp, &s))
779 ERROR("%s: not starting seccomp as %s is missing\n", in->name, seccomp);
781 in->seccomp = seccomp;
783 if (!in->trace && tb[INSTANCE_ATTR_JAIL])
784 in->has_jail = instance_jail_parse(in, tb[INSTANCE_ATTR_JAIL]);
786 if (tb[INSTANCE_ATTR_STDOUT] && blobmsg_get_bool(tb[INSTANCE_ATTR_STDOUT]))
787 in->_stdout.fd.fd = -1;
789 if (tb[INSTANCE_ATTR_STDERR] && blobmsg_get_bool(tb[INSTANCE_ATTR_STDERR]))
790 in->_stderr.fd.fd = -1;
792 instance_fill_any(&in->data, tb[INSTANCE_ATTR_DATA]);
794 if (!instance_fill_array(&in->env, tb[INSTANCE_ATTR_ENV], NULL, false))
797 if (!instance_fill_array(&in->netdev, tb[INSTANCE_ATTR_NETDEV], instance_netdev_update, true))
800 if (!instance_fill_array(&in->file, tb[INSTANCE_ATTR_FILE], instance_file_update, true))
803 if (!instance_fill_array(&in->limits, tb[INSTANCE_ATTR_LIMITS], NULL, false))
806 if (!instance_fill_array(&in->errors, tb[INSTANCE_ATTR_ERROR], NULL, true))
813 instance_config_cleanup(struct service_instance *in)
815 blobmsg_list_free(&in->env);
816 blobmsg_list_free(&in->data);
817 blobmsg_list_free(&in->netdev);
818 blobmsg_list_free(&in->file);
819 blobmsg_list_free(&in->limits);
820 blobmsg_list_free(&in->errors);
821 blobmsg_list_free(&in->jail.mount);
825 instance_config_move(struct service_instance *in, struct service_instance *in_src)
827 instance_config_cleanup(in);
828 blobmsg_list_move(&in->env, &in_src->env);
829 blobmsg_list_move(&in->data, &in_src->data);
830 blobmsg_list_move(&in->netdev, &in_src->netdev);
831 blobmsg_list_move(&in->file, &in_src->file);
832 blobmsg_list_move(&in->limits, &in_src->limits);
833 blobmsg_list_move(&in->errors, &in_src->errors);
834 blobmsg_list_move(&in->jail.mount, &in_src->jail.mount);
835 in->trigger = in_src->trigger;
836 in->command = in_src->command;
837 in->name = in_src->name;
838 in->node.avl.key = in_src->node.avl.key;
841 in->config = in_src->config;
842 in_src->config = NULL;
846 instance_update(struct service_instance *in, struct service_instance *in_new)
848 bool changed = instance_config_changed(in, in_new);
849 bool running = in->proc.pending;
851 if (!changed && running)
856 instance_config_move(in, in_new);
859 instance_restart(in);
860 instance_config_move(in, in_new);
861 /* restart happens in the child callback handler */
867 instance_free(struct service_instance *in)
869 instance_free_stdio(in);
870 uloop_process_delete(&in->proc);
871 uloop_timeout_cancel(&in->timeout);
874 instance_config_cleanup(in);
880 instance_init(struct service_instance *in, struct service *s, struct blob_attr *config)
882 config = blob_memdup(config);
884 in->name = blobmsg_name(config);
886 in->timeout.cb = instance_timeout;
887 in->proc.cb = instance_exit;
889 in->_stdout.fd.fd = -2;
890 in->_stdout.stream.string_data = true;
891 in->_stdout.stream.notify_read = instance_stdout;
893 in->_stderr.fd.fd = -2;
894 in->_stderr.stream.string_data = true;
895 in->_stderr.stream.notify_read = instance_stderr;
897 blobmsg_list_init(&in->netdev, struct instance_netdev, node, instance_netdev_cmp);
898 blobmsg_list_init(&in->file, struct instance_file, node, instance_file_cmp);
899 blobmsg_list_simple_init(&in->env);
900 blobmsg_list_simple_init(&in->data);
901 blobmsg_list_simple_init(&in->limits);
902 blobmsg_list_simple_init(&in->errors);
903 blobmsg_list_simple_init(&in->jail.mount);
904 in->valid = instance_config_parse(in);
907 void instance_dump(struct blob_buf *b, struct service_instance *in, int verbose)
914 i = blobmsg_open_table(b, in->name);
915 blobmsg_add_u8(b, "running", in->proc.pending);
916 if (in->proc.pending)
917 blobmsg_add_u32(b, "pid", in->proc.pid);
918 blobmsg_add_blob(b, in->command);
920 if (!avl_is_empty(&in->errors.avl)) {
921 struct blobmsg_list_node *var;
922 void *e = blobmsg_open_array(b, "errors");
923 blobmsg_list_for_each(&in->errors, var)
924 blobmsg_add_string(b, NULL, blobmsg_data(var->data));
925 blobmsg_close_table(b, e);
928 if (!avl_is_empty(&in->env.avl)) {
929 struct blobmsg_list_node *var;
930 void *e = blobmsg_open_table(b, "env");
931 blobmsg_list_for_each(&in->env, var)
932 blobmsg_add_string(b, blobmsg_name(var->data), blobmsg_data(var->data));
933 blobmsg_close_table(b, e);
936 if (!avl_is_empty(&in->data.avl)) {
937 struct blobmsg_list_node *var;
938 void *e = blobmsg_open_table(b, "data");
939 blobmsg_list_for_each(&in->data, var)
940 blobmsg_add_blob(b, var->data);
941 blobmsg_close_table(b, e);
944 if (!avl_is_empty(&in->limits.avl)) {
945 struct blobmsg_list_node *var;
946 void *e = blobmsg_open_table(b, "limits");
947 blobmsg_list_for_each(&in->limits, var)
948 blobmsg_add_string(b, blobmsg_name(var->data), blobmsg_data(var->data));
949 blobmsg_close_table(b, e);
953 void *r = blobmsg_open_table(b, "respawn");
954 blobmsg_add_u32(b, "threshold", in->respawn_threshold);
955 blobmsg_add_u32(b, "timeout", in->respawn_timeout);
956 blobmsg_add_u32(b, "retry", in->respawn_retry);
957 blobmsg_close_table(b, r);
961 blobmsg_add_u8(b, "trace", true);
963 if (in->no_new_privs)
964 blobmsg_add_u8(b, "no_new_privs", true);
967 blobmsg_add_string(b, "seccomp", in->seccomp);
970 void *r = blobmsg_open_table(b, "jail");
972 blobmsg_add_string(b, "name", in->jail.name);
973 if (in->jail.hostname)
974 blobmsg_add_string(b, "hostname", in->jail.hostname);
975 blobmsg_add_u8(b, "procfs", in->jail.procfs);
976 blobmsg_add_u8(b, "sysfs", in->jail.sysfs);
977 blobmsg_add_u8(b, "ubus", in->jail.ubus);
978 blobmsg_add_u8(b, "log", in->jail.log);
979 blobmsg_add_u8(b, "ronly", in->jail.ronly);
980 blobmsg_close_table(b, r);
981 if (!avl_is_empty(&in->jail.mount.avl)) {
982 struct blobmsg_list_node *var;
983 void *e = blobmsg_open_table(b, "mount");
984 blobmsg_list_for_each(&in->jail.mount, var)
985 blobmsg_add_string(b, blobmsg_name(var->data), blobmsg_data(var->data));
986 blobmsg_close_table(b, e);
990 if (verbose && in->trigger)
991 blobmsg_add_blob(b, in->trigger);
993 blobmsg_close_table(b, i);