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,
56 INSTANCE_ATTR_PIDFILE,
57 INSTANCE_ATTR_RELOADSIG,
61 static const struct blobmsg_policy instance_attr[__INSTANCE_ATTR_MAX] = {
62 [INSTANCE_ATTR_COMMAND] = { "command", BLOBMSG_TYPE_ARRAY },
63 [INSTANCE_ATTR_ENV] = { "env", BLOBMSG_TYPE_TABLE },
64 [INSTANCE_ATTR_DATA] = { "data", BLOBMSG_TYPE_TABLE },
65 [INSTANCE_ATTR_NETDEV] = { "netdev", BLOBMSG_TYPE_ARRAY },
66 [INSTANCE_ATTR_FILE] = { "file", BLOBMSG_TYPE_ARRAY },
67 [INSTANCE_ATTR_TRIGGER] = { "triggers", BLOBMSG_TYPE_ARRAY },
68 [INSTANCE_ATTR_RESPAWN] = { "respawn", BLOBMSG_TYPE_ARRAY },
69 [INSTANCE_ATTR_NICE] = { "nice", BLOBMSG_TYPE_INT32 },
70 [INSTANCE_ATTR_LIMITS] = { "limits", BLOBMSG_TYPE_TABLE },
71 [INSTANCE_ATTR_WATCH] = { "watch", BLOBMSG_TYPE_ARRAY },
72 [INSTANCE_ATTR_ERROR] = { "error", BLOBMSG_TYPE_ARRAY },
73 [INSTANCE_ATTR_USER] = { "user", BLOBMSG_TYPE_STRING },
74 [INSTANCE_ATTR_STDOUT] = { "stdout", BLOBMSG_TYPE_BOOL },
75 [INSTANCE_ATTR_STDERR] = { "stderr", BLOBMSG_TYPE_BOOL },
76 [INSTANCE_ATTR_NO_NEW_PRIVS] = { "no_new_privs", BLOBMSG_TYPE_BOOL },
77 [INSTANCE_ATTR_JAIL] = { "jail", BLOBMSG_TYPE_TABLE },
78 [INSTANCE_ATTR_TRACE] = { "trace", BLOBMSG_TYPE_BOOL },
79 [INSTANCE_ATTR_SECCOMP] = { "seccomp", BLOBMSG_TYPE_STRING },
80 [INSTANCE_ATTR_PIDFILE] = { "pidfile", BLOBMSG_TYPE_STRING },
81 [INSTANCE_ATTR_RELOADSIG] = { "reload_signal", BLOBMSG_TYPE_INT32 },
96 static const struct blobmsg_policy jail_attr[__JAIL_ATTR_MAX] = {
97 [JAIL_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING },
98 [JAIL_ATTR_HOSTNAME] = { "hostname", BLOBMSG_TYPE_STRING },
99 [JAIL_ATTR_PROCFS] = { "procfs", BLOBMSG_TYPE_BOOL },
100 [JAIL_ATTR_SYSFS] = { "sysfs", BLOBMSG_TYPE_BOOL },
101 [JAIL_ATTR_UBUS] = { "ubus", BLOBMSG_TYPE_BOOL },
102 [JAIL_ATTR_LOG] = { "log", BLOBMSG_TYPE_BOOL },
103 [JAIL_ATTR_RONLY] = { "ronly", BLOBMSG_TYPE_BOOL },
104 [JAIL_ATTR_MOUNT] = { "mount", BLOBMSG_TYPE_TABLE },
107 struct instance_netdev {
108 struct blobmsg_list_node node;
112 struct instance_file {
113 struct blobmsg_list_node node;
122 static const struct rlimit_name rlimit_names[] = {
124 { "core", RLIMIT_CORE },
125 { "cpu", RLIMIT_CPU },
126 { "data", RLIMIT_DATA },
127 { "fsize", RLIMIT_FSIZE },
128 { "memlock", RLIMIT_MEMLOCK },
129 { "nofile", RLIMIT_NOFILE },
130 { "nproc", RLIMIT_NPROC },
131 { "rss", RLIMIT_RSS },
132 { "stack", RLIMIT_STACK },
134 { "nice", RLIMIT_NICE },
135 { "rtprio", RLIMIT_RTPRIO },
136 { "msgqueue", RLIMIT_MSGQUEUE },
137 { "sigpending", RLIMIT_SIGPENDING },
142 static char trace[] = "/sbin/utrace";
144 static void closefd(int fd)
146 if (fd > STDERR_FILENO)
151 instance_limits(const char *limit, const char *value)
155 unsigned long cur, max;
157 for (i = 0; rlimit_names[i].name != NULL; i++) {
158 if (strcmp(rlimit_names[i].name, limit))
160 if (!strcmp(value, "unlimited")) {
161 rlim.rlim_cur = RLIM_INFINITY;
162 rlim.rlim_max = RLIM_INFINITY;
164 if (getrlimit(rlimit_names[i].resource, &rlim))
170 if (sscanf(value, "%lu %lu", &cur, &max) < 1)
177 setrlimit(rlimit_names[i].resource, &rlim);
183 jail_run(struct service_instance *in, char **argv)
185 struct blobmsg_list_node *var;
186 struct jail *jail = &in->jail;
189 argv[argc++] = "/sbin/ujail";
193 argv[argc++] = jail->name;
196 if (jail->hostname) {
198 argv[argc++] = jail->hostname;
203 argv[argc++] = in->seccomp;
206 if (in->no_new_privs)
224 blobmsg_list_for_each(&jail->mount, var) {
225 const char *type = blobmsg_data(var->data);
231 argv[argc++] = (char *) blobmsg_name(var->data);
240 instance_removepid(struct service_instance *in) {
243 if (unlink(in->pidfile)) {
244 ERROR("Failed to removed pidfile: %s: %d - %s\n",
245 in->pidfile, errno, strerror(errno));
252 instance_writepid(struct service_instance *in)
259 _pidfile = fopen(in->pidfile, "w");
260 if (_pidfile == NULL) {
261 ERROR("failed to open pidfile for writing: %s: %d (%s)",
262 in->pidfile, errno, strerror(errno));
265 if (fprintf(_pidfile, "%d\n", in->proc.pid) < 0) {
266 ERROR("failed to write pidfile: %s: %d (%s)",
267 in->pidfile, errno, strerror(errno));
271 if (fclose(_pidfile)) {
272 ERROR("failed to close pidfile: %s: %d (%s)",
273 in->pidfile, errno, strerror(errno));
281 instance_run(struct service_instance *in, int _stdout, int _stderr)
283 struct blobmsg_list_node *var;
284 struct blob_attr *cur;
287 int argc = 1; /* NULL terminated */
289 bool seccomp = !in->trace && !in->has_jail && in->seccomp;
290 bool setlbf = _stdout >= 0;
293 setpriority(PRIO_PROCESS, 0, in->nice);
295 blobmsg_for_each_attr(cur, in->command, rem)
298 blobmsg_list_for_each(&in->env, var)
299 setenv(blobmsg_name(var->data), blobmsg_data(var->data), 1);
302 setenv("SECCOMP_FILE", in->seccomp, 1);
304 if ((seccomp || setlbf) && asprintf(&ld_preload, "LD_PRELOAD=%s%s%s",
305 seccomp ? "/lib/libpreload-seccomp.so" : "",
306 seccomp && setlbf ? ":" : "",
307 setlbf ? "/lib/libsetlbf.so" : "") > 0)
310 blobmsg_list_for_each(&in->limits, var)
311 instance_limits(blobmsg_name(var->data), blobmsg_data(var->data));
316 argv = alloca(sizeof(char *) * (argc + in->jail.argc));
320 argv[argc++] = trace;
323 argc = jail_run(in, argv);
325 blobmsg_for_each_attr(cur, in->command, rem)
326 argv[argc++] = blobmsg_data(cur);
330 _stdin = open("/dev/null", O_RDONLY);
333 _stdout = open("/dev/null", O_WRONLY);
336 _stderr = open("/dev/null", O_WRONLY);
339 dup2(_stdin, STDIN_FILENO);
343 dup2(_stdout, STDOUT_FILENO);
347 dup2(_stderr, STDERR_FILENO);
351 if (in->gid && setgid(in->gid)) {
352 ERROR("failed to set group id %d: %d (%s)\n", in->gid, errno, strerror(errno));
355 if (in->uid && setuid(in->uid)) {
356 ERROR("failed to set user id %d: %d (%s)\n", in->uid, errno, strerror(errno));
360 execvp(argv[0], argv);
365 instance_free_stdio(struct service_instance *in)
367 if (in->_stdout.fd.fd > -1) {
368 ustream_free(&in->_stdout.stream);
369 close(in->_stdout.fd.fd);
370 in->_stdout.fd.fd = -1;
373 if (in->_stderr.fd.fd > -1) {
374 ustream_free(&in->_stderr.stream);
375 close(in->_stderr.fd.fd);
376 in->_stderr.fd.fd = -1;
381 instance_start(struct service_instance *in)
384 int opipe[2] = { -1, -1 };
385 int epipe[2] = { -1, -1 };
387 if (!avl_is_empty(&in->errors.avl)) {
388 LOG("Not starting instance %s::%s, an error was indicated\n", in->srv->name, in->name);
392 if (in->proc.pending || !in->command)
395 instance_free_stdio(in);
396 if (in->_stdout.fd.fd > -2) {
398 ULOG_WARN("pipe() failed: %d (%s)\n", errno, strerror(errno));
399 opipe[0] = opipe[1] = -1;
403 if (in->_stderr.fd.fd > -2) {
405 ULOG_WARN("pipe() failed: %d (%s)\n", errno, strerror(errno));
406 epipe[0] = epipe[1] = -1;
411 in->halt = !in->respawn;
424 instance_run(in, opipe[1], epipe[1]);
428 DEBUG(2, "Started instance %s::%s[%d]\n", in->srv->name, in->name, pid);
430 instance_writepid(in);
431 clock_gettime(CLOCK_MONOTONIC, &in->start);
432 uloop_process_add(&in->proc);
435 ustream_fd_init(&in->_stdout, opipe[0]);
440 ustream_fd_init(&in->_stderr, epipe[0]);
444 service_event("instance.start", in->srv->name, in->name);
448 instance_stdio(struct ustream *s, int prio, struct service_instance *in)
450 char *newline, *str, *arg0, ident[32];
453 arg0 = basename(blobmsg_data(blobmsg_data(in->command)));
454 snprintf(ident, sizeof(ident), "%s[%d]", arg0, in->proc.pid);
455 ulog_open(ULOG_SYSLOG, LOG_DAEMON, ident);
458 str = ustream_get_read_buf(s, NULL);
462 newline = strchr(str, '\n');
467 ulog(prio, "%s\n", str);
469 len = newline + 1 - str;
470 ustream_consume(s, len);
473 ulog_open(ULOG_SYSLOG, LOG_DAEMON, "procd");
477 instance_stdout(struct ustream *s, int bytes)
479 instance_stdio(s, LOG_INFO,
480 container_of(s, struct service_instance, _stdout.stream));
484 instance_stderr(struct ustream *s, int bytes)
486 instance_stdio(s, LOG_ERR,
487 container_of(s, struct service_instance, _stderr.stream));
491 instance_timeout(struct uloop_timeout *t)
493 struct service_instance *in;
495 in = container_of(t, struct service_instance, timeout);
497 if (!in->halt && (in->restart || in->respawn))
502 instance_exit(struct uloop_process *p, int ret)
504 struct service_instance *in;
508 in = container_of(p, struct service_instance, proc);
510 clock_gettime(CLOCK_MONOTONIC, &tp);
511 runtime = tp.tv_sec - in->start.tv_sec;
513 DEBUG(2, "Instance %s::%s exit with error code %d after %ld seconds\n", in->srv->name, in->name, ret, runtime);
517 uloop_timeout_cancel(&in->timeout);
519 instance_removepid(in);
520 } else if (in->restart) {
522 } else if (in->respawn) {
523 if (runtime < in->respawn_threshold)
526 in->respawn_count = 0;
527 if (in->respawn_count > in->respawn_retry && in->respawn_retry > 0 ) {
528 LOG("Instance %s::%s s in a crash loop %d crashes, %ld seconds since last crash\n",
529 in->srv->name, in->name, in->respawn_count, runtime);
530 in->restart = in->respawn = 0;
532 service_event("instance.fail", in->srv->name, in->name);
534 service_event("instance.respawn", in->srv->name, in->name);
535 uloop_timeout_set(&in->timeout, in->respawn_timeout * 1000);
538 service_event("instance.stop", in->srv->name, in->name);
542 instance_stop(struct service_instance *in)
544 if (!in->proc.pending)
547 in->restart = in->respawn = false;
548 kill(in->proc.pid, SIGTERM);
552 instance_restart(struct service_instance *in)
554 if (!in->proc.pending)
557 if (in->reload_signal) {
558 kill(in->proc.pid, in->reload_signal);
564 kill(in->proc.pid, SIGTERM);
565 instance_removepid(in);
569 instance_config_changed(struct service_instance *in, struct service_instance *in_new)
574 if (!blob_attr_equal(in->command, in_new->command))
577 if (!blobmsg_list_equal(&in->env, &in_new->env))
580 if (!blobmsg_list_equal(&in->netdev, &in_new->netdev))
583 if (!blobmsg_list_equal(&in->file, &in_new->file))
586 if (in->nice != in_new->nice)
589 if (in->uid != in_new->uid)
592 if (in->gid != in_new->gid)
595 if (in->pidfile && in_new->pidfile)
596 if (strcmp(in->pidfile, in_new->pidfile))
599 if (in->pidfile && !in_new->pidfile)
602 if (!in->pidfile && in_new->pidfile)
605 if (!blobmsg_list_equal(&in->limits, &in_new->limits))
608 if (!blobmsg_list_equal(&in->jail.mount, &in_new->jail.mount))
611 if (!blobmsg_list_equal(&in->errors, &in_new->errors))
618 instance_netdev_cmp(struct blobmsg_list_node *l1, struct blobmsg_list_node *l2)
620 struct instance_netdev *n1 = container_of(l1, struct instance_netdev, node);
621 struct instance_netdev *n2 = container_of(l2, struct instance_netdev, node);
623 return n1->ifindex == n2->ifindex;
627 instance_netdev_update(struct blobmsg_list_node *l)
629 struct instance_netdev *n = container_of(l, struct instance_netdev, node);
631 n->ifindex = if_nametoindex(n->node.avl.key);
635 instance_file_cmp(struct blobmsg_list_node *l1, struct blobmsg_list_node *l2)
637 struct instance_file *f1 = container_of(l1, struct instance_file, node);
638 struct instance_file *f2 = container_of(l2, struct instance_file, node);
640 return !memcmp(f1->md5, f2->md5, sizeof(f1->md5));
644 instance_file_update(struct blobmsg_list_node *l)
646 struct instance_file *f = container_of(l, struct instance_file, node);
651 memset(f->md5, 0, sizeof(f->md5));
653 fd = open(l->avl.key, O_RDONLY);
659 len = read(fd, buf, sizeof(buf));
669 md5_hash(buf, len, &md5);
672 md5_end(f->md5, &md5);
677 instance_fill_any(struct blobmsg_list *l, struct blob_attr *cur)
682 blobmsg_list_fill(l, blobmsg_data(cur), blobmsg_data_len(cur), false);
686 instance_fill_array(struct blobmsg_list *l, struct blob_attr *cur, blobmsg_update_cb cb, bool array)
688 struct blobmsg_list_node *node;
693 if (!blobmsg_check_attr_list(cur, BLOBMSG_TYPE_STRING))
696 blobmsg_list_fill(l, blobmsg_data(cur), blobmsg_data_len(cur), array);
698 blobmsg_list_for_each(l, node)
705 instance_jail_parse(struct service_instance *in, struct blob_attr *attr)
707 struct blob_attr *tb[__JAIL_ATTR_MAX];
708 struct jail *jail = &in->jail;
711 if (stat("/sbin/ujail", &s))
714 blobmsg_parse(jail_attr, __JAIL_ATTR_MAX, tb,
715 blobmsg_data(attr), blobmsg_data_len(attr));
719 if (tb[JAIL_ATTR_NAME]) {
720 jail->name = blobmsg_get_string(tb[JAIL_ATTR_NAME]);
723 if (tb[JAIL_ATTR_HOSTNAME]) {
724 jail->hostname = blobmsg_get_string(tb[JAIL_ATTR_HOSTNAME]);
727 if (tb[JAIL_ATTR_PROCFS]) {
728 jail->procfs = blobmsg_get_bool(tb[JAIL_ATTR_PROCFS]);
731 if (tb[JAIL_ATTR_SYSFS]) {
732 jail->sysfs = blobmsg_get_bool(tb[JAIL_ATTR_SYSFS]);
735 if (tb[JAIL_ATTR_UBUS]) {
736 jail->ubus = blobmsg_get_bool(tb[JAIL_ATTR_UBUS]);
739 if (tb[JAIL_ATTR_LOG]) {
740 jail->log = blobmsg_get_bool(tb[JAIL_ATTR_LOG]);
743 if (tb[JAIL_ATTR_RONLY]) {
744 jail->ronly = blobmsg_get_bool(tb[JAIL_ATTR_RONLY]);
747 if (tb[JAIL_ATTR_MOUNT]) {
748 struct blob_attr *cur;
751 blobmsg_for_each_attr(cur, tb[JAIL_ATTR_MOUNT], rem)
753 instance_fill_array(&jail->mount, tb[JAIL_ATTR_MOUNT], NULL, false);
762 instance_config_parse_command(struct service_instance *in, struct blob_attr **tb)
764 struct blob_attr *cur, *cur2;
768 cur = tb[INSTANCE_ATTR_COMMAND];
774 if (!blobmsg_check_attr_list(cur, BLOBMSG_TYPE_STRING))
777 blobmsg_for_each_attr(cur2, cur, rem) {
787 instance_config_parse(struct service_instance *in)
789 struct blob_attr *tb[__INSTANCE_ATTR_MAX];
790 struct blob_attr *cur, *cur2;
793 blobmsg_parse(instance_attr, __INSTANCE_ATTR_MAX, tb,
794 blobmsg_data(in->config), blobmsg_data_len(in->config));
796 if (!instance_config_parse_command(in, tb))
799 if (tb[INSTANCE_ATTR_RESPAWN]) {
801 uint32_t vals[3] = { 3600, 5, 5};
803 blobmsg_for_each_attr(cur2, tb[INSTANCE_ATTR_RESPAWN], rem) {
804 if ((i >= 3) && (blobmsg_type(cur2) == BLOBMSG_TYPE_STRING))
806 vals[i] = atoi(blobmsg_get_string(cur2));
810 in->respawn_count = 0;
811 in->respawn_threshold = vals[0];
812 in->respawn_timeout = vals[1];
813 in->respawn_retry = vals[2];
815 if (tb[INSTANCE_ATTR_TRIGGER]) {
816 in->trigger = tb[INSTANCE_ATTR_TRIGGER];
817 trigger_add(in->trigger, in);
820 if (tb[INSTANCE_ATTR_WATCH]) {
821 blobmsg_for_each_attr(cur2, tb[INSTANCE_ATTR_WATCH], rem) {
822 if (blobmsg_type(cur2) != BLOBMSG_TYPE_STRING)
824 DEBUG(3, "watch for %s\n", blobmsg_get_string(cur2));
825 watch_add(blobmsg_get_string(cur2), in);
829 if ((cur = tb[INSTANCE_ATTR_NICE])) {
830 in->nice = (int8_t) blobmsg_get_u32(cur);
831 if (in->nice < -20 || in->nice > 20)
835 if (tb[INSTANCE_ATTR_USER]) {
836 struct passwd *p = getpwnam(blobmsg_get_string(tb[INSTANCE_ATTR_USER]));
843 if (tb[INSTANCE_ATTR_TRACE])
844 in->trace = blobmsg_get_bool(tb[INSTANCE_ATTR_TRACE]);
846 if (tb[INSTANCE_ATTR_NO_NEW_PRIVS])
847 in->no_new_privs = blobmsg_get_bool(tb[INSTANCE_ATTR_NO_NEW_PRIVS]);
849 if (!in->trace && tb[INSTANCE_ATTR_SECCOMP]) {
850 char *seccomp = blobmsg_get_string(tb[INSTANCE_ATTR_SECCOMP]);
853 if (stat(seccomp, &s))
854 ERROR("%s: not starting seccomp as %s is missing\n", in->name, seccomp);
856 in->seccomp = seccomp;
859 if (tb[INSTANCE_ATTR_PIDFILE]) {
860 char *pidfile = blobmsg_get_string(tb[INSTANCE_ATTR_PIDFILE]);
862 in->pidfile = pidfile;
865 if (tb[INSTANCE_ATTR_RELOADSIG])
866 in->reload_signal = blobmsg_get_u32(tb[INSTANCE_ATTR_RELOADSIG]);
868 if (!in->trace && tb[INSTANCE_ATTR_JAIL])
869 in->has_jail = instance_jail_parse(in, tb[INSTANCE_ATTR_JAIL]);
871 if (tb[INSTANCE_ATTR_STDOUT] && blobmsg_get_bool(tb[INSTANCE_ATTR_STDOUT]))
872 in->_stdout.fd.fd = -1;
874 if (tb[INSTANCE_ATTR_STDERR] && blobmsg_get_bool(tb[INSTANCE_ATTR_STDERR]))
875 in->_stderr.fd.fd = -1;
877 instance_fill_any(&in->data, tb[INSTANCE_ATTR_DATA]);
879 if (!instance_fill_array(&in->env, tb[INSTANCE_ATTR_ENV], NULL, false))
882 if (!instance_fill_array(&in->netdev, tb[INSTANCE_ATTR_NETDEV], instance_netdev_update, true))
885 if (!instance_fill_array(&in->file, tb[INSTANCE_ATTR_FILE], instance_file_update, true))
888 if (!instance_fill_array(&in->limits, tb[INSTANCE_ATTR_LIMITS], NULL, false))
891 if (!instance_fill_array(&in->errors, tb[INSTANCE_ATTR_ERROR], NULL, true))
898 instance_config_cleanup(struct service_instance *in)
900 blobmsg_list_free(&in->env);
901 blobmsg_list_free(&in->data);
902 blobmsg_list_free(&in->netdev);
903 blobmsg_list_free(&in->file);
904 blobmsg_list_free(&in->limits);
905 blobmsg_list_free(&in->errors);
906 blobmsg_list_free(&in->jail.mount);
910 instance_config_move(struct service_instance *in, struct service_instance *in_src)
912 instance_config_cleanup(in);
913 blobmsg_list_move(&in->env, &in_src->env);
914 blobmsg_list_move(&in->data, &in_src->data);
915 blobmsg_list_move(&in->netdev, &in_src->netdev);
916 blobmsg_list_move(&in->file, &in_src->file);
917 blobmsg_list_move(&in->limits, &in_src->limits);
918 blobmsg_list_move(&in->errors, &in_src->errors);
919 blobmsg_list_move(&in->jail.mount, &in_src->jail.mount);
920 in->trigger = in_src->trigger;
921 in->command = in_src->command;
922 in->pidfile = in_src->pidfile;
923 in->name = in_src->name;
924 in->node.avl.key = in_src->node.avl.key;
927 in->config = in_src->config;
928 in_src->config = NULL;
932 instance_update(struct service_instance *in, struct service_instance *in_new)
934 bool changed = instance_config_changed(in, in_new);
935 bool running = in->proc.pending;
938 instance_config_move(in, in_new);
942 instance_restart(in);
943 instance_config_move(in, in_new);
944 /* restart happens in the child callback handler */
949 instance_free(struct service_instance *in)
951 instance_free_stdio(in);
952 uloop_process_delete(&in->proc);
953 uloop_timeout_cancel(&in->timeout);
956 instance_config_cleanup(in);
962 instance_init(struct service_instance *in, struct service *s, struct blob_attr *config)
964 config = blob_memdup(config);
966 in->name = blobmsg_name(config);
968 in->timeout.cb = instance_timeout;
969 in->proc.cb = instance_exit;
971 in->_stdout.fd.fd = -2;
972 in->_stdout.stream.string_data = true;
973 in->_stdout.stream.notify_read = instance_stdout;
975 in->_stderr.fd.fd = -2;
976 in->_stderr.stream.string_data = true;
977 in->_stderr.stream.notify_read = instance_stderr;
979 blobmsg_list_init(&in->netdev, struct instance_netdev, node, instance_netdev_cmp);
980 blobmsg_list_init(&in->file, struct instance_file, node, instance_file_cmp);
981 blobmsg_list_simple_init(&in->env);
982 blobmsg_list_simple_init(&in->data);
983 blobmsg_list_simple_init(&in->limits);
984 blobmsg_list_simple_init(&in->errors);
985 blobmsg_list_simple_init(&in->jail.mount);
986 in->valid = instance_config_parse(in);
989 void instance_dump(struct blob_buf *b, struct service_instance *in, int verbose)
996 i = blobmsg_open_table(b, in->name);
997 blobmsg_add_u8(b, "running", in->proc.pending);
998 if (in->proc.pending)
999 blobmsg_add_u32(b, "pid", in->proc.pid);
1001 blobmsg_add_blob(b, in->command);
1003 if (!avl_is_empty(&in->errors.avl)) {
1004 struct blobmsg_list_node *var;
1005 void *e = blobmsg_open_array(b, "errors");
1006 blobmsg_list_for_each(&in->errors, var)
1007 blobmsg_add_string(b, NULL, blobmsg_data(var->data));
1008 blobmsg_close_table(b, e);
1011 if (!avl_is_empty(&in->env.avl)) {
1012 struct blobmsg_list_node *var;
1013 void *e = blobmsg_open_table(b, "env");
1014 blobmsg_list_for_each(&in->env, var)
1015 blobmsg_add_string(b, blobmsg_name(var->data), blobmsg_data(var->data));
1016 blobmsg_close_table(b, e);
1019 if (!avl_is_empty(&in->data.avl)) {
1020 struct blobmsg_list_node *var;
1021 void *e = blobmsg_open_table(b, "data");
1022 blobmsg_list_for_each(&in->data, var)
1023 blobmsg_add_blob(b, var->data);
1024 blobmsg_close_table(b, e);
1027 if (!avl_is_empty(&in->limits.avl)) {
1028 struct blobmsg_list_node *var;
1029 void *e = blobmsg_open_table(b, "limits");
1030 blobmsg_list_for_each(&in->limits, var)
1031 blobmsg_add_string(b, blobmsg_name(var->data), blobmsg_data(var->data));
1032 blobmsg_close_table(b, e);
1035 if (in->reload_signal)
1036 blobmsg_add_u32(b, "reload_signal", in->reload_signal);
1039 void *r = blobmsg_open_table(b, "respawn");
1040 blobmsg_add_u32(b, "threshold", in->respawn_threshold);
1041 blobmsg_add_u32(b, "timeout", in->respawn_timeout);
1042 blobmsg_add_u32(b, "retry", in->respawn_retry);
1043 blobmsg_close_table(b, r);
1047 blobmsg_add_u8(b, "trace", true);
1049 if (in->no_new_privs)
1050 blobmsg_add_u8(b, "no_new_privs", true);
1053 blobmsg_add_string(b, "seccomp", in->seccomp);
1056 blobmsg_add_string(b, "pidfile", in->pidfile);
1059 void *r = blobmsg_open_table(b, "jail");
1061 blobmsg_add_string(b, "name", in->jail.name);
1062 if (in->jail.hostname)
1063 blobmsg_add_string(b, "hostname", in->jail.hostname);
1064 blobmsg_add_u8(b, "procfs", in->jail.procfs);
1065 blobmsg_add_u8(b, "sysfs", in->jail.sysfs);
1066 blobmsg_add_u8(b, "ubus", in->jail.ubus);
1067 blobmsg_add_u8(b, "log", in->jail.log);
1068 blobmsg_add_u8(b, "ronly", in->jail.ronly);
1069 blobmsg_close_table(b, r);
1070 if (!avl_is_empty(&in->jail.mount.avl)) {
1071 struct blobmsg_list_node *var;
1072 void *e = blobmsg_open_table(b, "mount");
1073 blobmsg_list_for_each(&in->jail.mount, var)
1074 blobmsg_add_string(b, blobmsg_name(var->data), blobmsg_data(var->data));
1075 blobmsg_close_table(b, e);
1079 if (verbose && in->trigger)
1080 blobmsg_add_blob(b, in->trigger);
1082 blobmsg_close_table(b, i);