*/
#include <fcntl.h>
+#include <pwd.h>
#include <sys/reboot.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <signal.h>
+#include "container.h"
#include "procd.h"
#include "syslog.h"
#include "plug/hotplug.h"
static void set_stdio(const char* tty)
{
- chdir("/dev");
- freopen(tty, "r", stdin);
- freopen(tty, "w", stdout);
- freopen(tty, "w", stderr);
- chdir("/");
- fcntl(STDERR_FILENO, F_SETFL, fcntl(STDERR_FILENO, F_GETFL) | O_NONBLOCK);
+ if (chdir("/dev") ||
+ !freopen(tty, "r", stdin) ||
+ !freopen(tty, "w", stdout) ||
+ !freopen(tty, "w", stderr) ||
+ chdir("/"))
+ ERROR("failed to set stdio: %m\n");
+ else
+ fcntl(STDERR_FILENO, F_SETFL, fcntl(STDERR_FILENO, F_GETFL) | O_NONBLOCK);
}
static void set_console(void)
i++;
}
- chdir("/dev");
+ if (chdir("/dev")) {
+ ERROR("failed to change dir to /dev: %m\n");
+ return;
+ }
while (tty!=NULL) {
f = open(tty, O_RDONLY);
if (f >= 0) {
tty=try[i];
i++;
}
- chdir("/");
+ if (chdir("/"))
+ ERROR("failed to change dir to /: %m\n");
if (tty != NULL)
set_stdio(tty);
}
+static void perform_halt()
+{
+ if (reboot_event == RB_POWER_OFF)
+ LOG("- power down -\n");
+ else
+ LOG("- reboot -\n");
+
+ /* Allow time for last message to reach serial console, etc */
+ sleep(1);
+
+ if (is_container()) {
+ reboot(reboot_event);
+ exit(EXIT_SUCCESS);
+ return;
+ }
+
+ /* We have to fork here, since the kernel calls do_exit(EXIT_SUCCESS)
+ * in linux/kernel/sys.c, which can cause the machine to panic when
+ * the init process exits... */
+ if (!vfork()) { /* child */
+ reboot(reboot_event);
+ _exit(EXIT_SUCCESS);
+ }
+
+ while (1)
+ sleep(1);
+}
+
static void state_enter(void)
{
char ubus_cmd[] = "/sbin/ubusd";
+ struct passwd *p;
switch (state) {
case STATE_EARLY:
// try to reopen incase the wdt was not available before coldplug
watchdog_init(0);
set_stdio("console");
- LOG("- ubus -\n");
+ p = getpwnam("ubus");
+ if (p) {
+ int ret;
+ LOG("- ubus -\n");
+ mkdir(p->pw_dir, 0755);
+ ret = chown(p->pw_dir, p->pw_uid, p->pw_gid);
+ if (ret)
+ LOG("- ubus - failed to chown(%s)\n", p->pw_dir);
+ } else {
+ LOG("- ubus (running as root!) -\n");
+ }
+
procd_connect_ubus();
- service_init();
- service_start_early("ubus", ubus_cmd);
+ service_start_early("ubus", ubus_cmd, p?"ubus":NULL, p?"ubus":NULL);
break;
case STATE_INIT:
procd_inittab_run("askconsole");
procd_inittab_run("askfirst");
procd_inittab_run("sysinit");
+
+ // switch to syslog log channel
+ ulog_open(ULOG_SYSLOG, LOG_DAEMON, "procd");
break;
case STATE_RUNNING:
LOG("- init complete -\n");
+ procd_inittab_run("respawnlate");
+ procd_inittab_run("askconsolelate");
break;
case STATE_SHUTDOWN:
break;
case STATE_HALT:
+ // To prevent killed processes from interrupting the sleep
+ signal(SIGCHLD, SIG_IGN);
LOG("- SIGTERM processes -\n");
kill(-1, SIGTERM);
sync();
kill(-1, SIGKILL);
sync();
sleep(1);
- if (reboot_event == RB_POWER_OFF)
- LOG("- power down -\n");
- else
- LOG("- reboot -\n");
-
- /* Allow time for last message to reach serial console, etc */
- sleep(1);
-
- /* We have to fork here, since the kernel calls do_exit(EXIT_SUCCESS)
- * in linux/kernel/sys.c, which can cause the machine to panic when
- * the init process exits... */
- if (!vfork( )) { /* child */
- reboot(reboot_event);
- _exit(EXIT_SUCCESS);
- }
-
- while (1)
- sleep(1);
+#ifndef DISABLE_INIT
+ perform_halt();
+#else
+ exit(EXIT_SUCCESS);
+#endif
break;
default: