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systemd/SOURCES/0869-systemctl-reintroduce-...

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From d36295d7c1b110d150b7af6e3354c28af4c4884d Mon Sep 17 00:00:00 2001
From: David Tardon <dtardon@redhat.com>
Date: Mon, 30 Jan 2023 14:27:24 +0100
Subject: [PATCH] systemctl: reintroduce the original halt_main()
RHEL-only
Related: #2053273
---
src/systemctl/systemctl.c | 59 +++++++++++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 199f736f7f..a26e4a913a 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -8655,6 +8655,65 @@ static int logind_schedule_shutdown(void) {
#endif
}
+static int halt_main_old(void) {
+ int r;
+
+ r = logind_check_inhibitors(arg_action);
+ if (r < 0)
+ return r;
+
+ if (arg_when > 0)
+ return logind_schedule_shutdown();
+
+ if (geteuid() != 0) {
+ if (arg_dry_run || arg_force > 0) {
+ (void) must_be_root();
+ return -EPERM;
+ }
+
+ /* Try logind if we are a normal user and no special
+ * mode applies. Maybe PolicyKit allows us to shutdown
+ * the machine. */
+ if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
+ r = logind_reboot(arg_action);
+ if (r >= 0)
+ return r;
+ if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
+ /* requested operation is not
+ * supported on the local system or
+ * already in progress */
+ return r;
+ /* on all other errors, try low-level operation */
+ }
+ }
+
+ /* In order to minimize the difference between operation with and
+ * without logind, we explicitly enable non-blocking mode for this,
+ * as logind's shutdown operations are always non-blocking. */
+ arg_no_block = true;
+
+ if (!arg_dry_run && !arg_force)
+ return start_with_fallback();
+
+ assert(geteuid() == 0);
+
+ if (!arg_no_wtmp) {
+ if (sd_booted() > 0)
+ log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
+ else {
+ r = utmp_put_shutdown();
+ if (r < 0)
+ log_warning_errno(r, "Failed to write utmp record: %m");
+ }
+ }
+
+ if (arg_dry_run)
+ return 0;
+
+ r = halt_now(arg_action);
+ return log_error_errno(r, "Failed to reboot: %m");
+}
+
static int halt_main(void) {
int r;