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