#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
+#include <grp.h>
#include <net/if.h>
#include <unistd.h>
#include <stdint.h>
{ NULL, 0 }
};
-static char trace[] = "/sbin/utrace";
-
static void closefd(int fd)
{
if (fd > STDERR_FILENO)
if (!in->pidfile)
return 0;
if (unlink(in->pidfile)) {
- ERROR("Failed to removed pidfile: %s: %d - %s\n",
- in->pidfile, errno, strerror(errno));
+ ERROR("Failed to removed pidfile: %s: %m\n", in->pidfile);
return 1;
}
return 0;
}
_pidfile = fopen(in->pidfile, "w");
if (_pidfile == NULL) {
- ERROR("failed to open pidfile for writing: %s: %d (%s)",
- in->pidfile, errno, strerror(errno));
+ ERROR("failed to open pidfile for writing: %s: %m", in->pidfile);
return 1;
}
if (fprintf(_pidfile, "%d\n", in->proc.pid) < 0) {
- ERROR("failed to write pidfile: %s: %d (%s)",
- in->pidfile, errno, strerror(errno));
+ ERROR("failed to write pidfile: %s: %m", in->pidfile);
fclose(_pidfile);
return 2;
}
if (fclose(_pidfile)) {
- ERROR("failed to close pidfile: %s: %d (%s)",
- in->pidfile, errno, strerror(errno));
+ ERROR("failed to close pidfile: %s: %m", in->pidfile);
return 3;
}
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;
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);
+ if (setlbf)
+ setenv("LD_PRELOAD", "/lib/libsetlbf.so", 1);
blobmsg_list_for_each(&in->limits, var)
instance_limits(blobmsg_name(var->data), blobmsg_data(var->data));
- if (in->trace)
+ if (in->trace || seccomp)
argc += 1;
argv = alloca(sizeof(char *) * (argc + in->jail.argc));
argc = 0;
+#ifdef SECCOMP_SUPPORT
if (in->trace)
- argv[argc++] = trace;
+ argv[argc++] = "/sbin/utrace";
+ else if (seccomp)
+ argv[argc++] = "/sbin/seccomp-trace";
+#else
+ if (in->trace || seccomp)
+ ULOG_WARN("Seccomp support for %s::%s not available\n", in->srv->name, in->name);
+#endif
if (in->has_jail)
argc = jail_run(in, argv);
closefd(_stderr);
}
+ if (in->user && in->gid && initgroups(in->user, in->gid)) {
+ ERROR("failed to initgroups() for user %s: %m\n", in->user);
+ exit(127);
+ }
if (in->gid && setgid(in->gid)) {
- ERROR("failed to set group id %d: %d (%s)\n", in->gid, errno, strerror(errno));
+ ERROR("failed to set group id %d: %m\n", in->gid);
exit(127);
}
if (in->uid && setuid(in->uid)) {
- ERROR("failed to set user id %d: %d (%s)\n", in->uid, errno, strerror(errno));
+ ERROR("failed to set user id %d: %m\n", in->uid);
exit(127);
}
instance_free_stdio(in);
if (in->_stdout.fd.fd > -2) {
if (pipe(opipe)) {
- ULOG_WARN("pipe() failed: %d (%s)\n", errno, strerror(errno));
+ ULOG_WARN("pipe() failed: %m\n");
opipe[0] = opipe[1] = -1;
}
}
if (in->_stderr.fd.fd > -2) {
if (pipe(epipe)) {
- ULOG_WARN("pipe() failed: %d (%s)\n", errno, strerror(errno));
+ ULOG_WARN("pipe() failed: %m\n");
epipe[0] = epipe[1] = -1;
}
}
if (opipe[0] > -1) {
ustream_fd_init(&in->_stdout, opipe[0]);
closefd(opipe[1]);
+ fcntl(opipe[0], F_SETFD, FD_CLOEXEC);
}
if (epipe[0] > -1) {
ustream_fd_init(&in->_stderr, epipe[0]);
closefd(epipe[1]);
+ fcntl(epipe[0], F_SETFD, FD_CLOEXEC);
}
service_event("instance.start", in->srv->name, in->name);
runtime = tp.tv_sec - in->start.tv_sec;
DEBUG(2, "Instance %s::%s exit with error code %d after %ld seconds\n", in->srv->name, in->name, ret, runtime);
- if (upgrade_running)
- return;
uloop_timeout_cancel(&in->timeout);
service_event("instance.stop", in->srv->name, in->name);
}
void
-instance_stop(struct service_instance *in)
+instance_stop(struct service_instance *in, bool halt)
{
if (!in->proc.pending)
return;
- in->halt = true;
+ in->halt = halt;
in->restart = in->respawn = false;
kill(in->proc.pid, SIGTERM);
uloop_timeout_set(&in->timeout, in->term_timeout * 1000);
uloop_timeout_set(&in->timeout, in->term_timeout * 1000);
}
+static bool string_changed(const char *a, const char *b)
+{
+ return !((!a && !b) || (a && b && !strcmp(a, b)));
+}
+
static bool
instance_config_changed(struct service_instance *in, struct service_instance *in_new)
{
if (in->nice != in_new->nice)
return true;
+ if (string_changed(in->user, in_new->user))
+ return true;
+
if (in->uid != in_new->uid)
return true;
if (in->gid != in_new->gid)
return true;
- if (in->pidfile && in_new->pidfile)
- if (strcmp(in->pidfile, in_new->pidfile))
- return true;
-
- if (in->pidfile && !in_new->pidfile)
+ if (string_changed(in->pidfile, in_new->pidfile))
return true;
- if (!in->pidfile && in_new->pidfile)
+ if (in->respawn_retry != in_new->respawn_retry)
+ return true;
+ if (in->respawn_threshold != in_new->respawn_threshold)
+ return true;
+ if (in->respawn_timeout != in_new->respawn_timeout)
return true;
if (!blobmsg_list_equal(&in->limits, &in_new->limits))
}
if (tb[INSTANCE_ATTR_USER]) {
- struct passwd *p = getpwnam(blobmsg_get_string(tb[INSTANCE_ATTR_USER]));
+ const char *user = blobmsg_get_string(tb[INSTANCE_ATTR_USER]);
+ struct passwd *p = getpwnam(user);
if (p) {
+ in->user = strdup(user);
in->uid = p->pw_uid;
in->gid = p->pw_gid;
}
if (tb[INSTANCE_ATTR_NO_NEW_PRIVS])
in->no_new_privs = blobmsg_get_bool(tb[INSTANCE_ATTR_NO_NEW_PRIVS]);
- 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_SECCOMP])
+ in->seccomp = blobmsg_get_string(tb[INSTANCE_ATTR_SECCOMP]);
if (tb[INSTANCE_ATTR_PIDFILE]) {
char *pidfile = blobmsg_get_string(tb[INSTANCE_ATTR_PIDFILE]);
in->trigger = in_src->trigger;
in->command = in_src->command;
in->pidfile = in_src->pidfile;
+ in->respawn_retry = in_src->respawn_retry;
+ in->respawn_threshold = in_src->respawn_threshold;
+ in->respawn_timeout = in_src->respawn_timeout;
in->name = in_src->name;
+ in->trace = in_src->trace;
in->node.avl.key = in_src->node.avl.key;
free(in->config);
watch_del(in);
instance_config_cleanup(in);
free(in->config);
+ free(in->user);
free(in);
}
projects / project / procd.git / blobdiff