Adding upstream version 252.22.upstream/252.22

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 196 insertions, 0 deletions

diff --git a/src/systemctl/systemctl-compat-halt.c b/src/systemctl/systemctl-compat-halt.c
new file mode 100644
index 0000000..8a0e4e6
--- /dev/null
+++ b/src/systemctl/systemctl-compat-halt.c
@@ -0,0 +1,196 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <getopt.h>
+#include <unistd.h>
+
+#include "sd-daemon.h"
+
+#include "alloc-util.h"
+#include "pretty-print.h"
+#include "process-util.h"
+#include "reboot-util.h"
+#include "systemctl-compat-halt.h"
+#include "systemctl-compat-telinit.h"
+#include "systemctl-logind.h"
+#include "systemctl-start-unit.h"
+#include "systemctl-util.h"
+#include "systemctl.h"
+#include "terminal-util.h"
+#include "utmp-wtmp.h"
+
+static int halt_help(void) {
+        _cleanup_free_ char *link = NULL;
+        int r;
+
+        r = terminal_urlify_man("halt", "8", &link);
+        if (r < 0)
+                return log_oom();
+
+        printf("%s [OPTIONS...]%s\n"
+               "\n%s%s the system.%s\n"
+               "\nOptions:\n"
+               "     --help      Show this help\n"
+               "     --halt      Halt the machine\n"
+               "  -p --poweroff  Switch off the machine\n"
+               "     --reboot    Reboot the machine\n"
+               "  -f --force     Force immediate halt/power-off/reboot\n"
+               "  -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
+               "  -d --no-wtmp   Don't write wtmp record\n"
+               "     --no-wall   Don't send wall message before halt/power-off/reboot\n"
+               "\nSee the %s for details.\n",
+               program_invocation_short_name,
+               arg_action == ACTION_REBOOT ? " [ARG]" : "",
+               ansi_highlight(),
+               arg_action == ACTION_REBOOT           ? "Reboot" :
+                       arg_action == ACTION_POWEROFF ? "Power off" :
+                                                       "Halt",
+               ansi_normal(),
+               link);
+
+        return 0;
+}
+
+int halt_parse_argv(int argc, char *argv[]) {
+        enum {
+                ARG_HELP = 0x100,
+                ARG_HALT,
+                ARG_REBOOT,
+                ARG_NO_WALL
+        };
+
+        static const struct option options[] = {
+                { "help",      no_argument,       NULL, ARG_HELP    },
+                { "halt",      no_argument,       NULL, ARG_HALT    },
+                { "poweroff",  no_argument,       NULL, 'p'         },
+                { "reboot",    no_argument,       NULL, ARG_REBOOT  },
+                { "force",     no_argument,       NULL, 'f'         },
+                { "wtmp-only", no_argument,       NULL, 'w'         },
+                { "no-wtmp",   no_argument,       NULL, 'd'         },
+                { "no-sync",   no_argument,       NULL, 'n'         },
+                { "no-wall",   no_argument,       NULL, ARG_NO_WALL },
+                {}
+        };
+
+        int c, r, runlevel;
+
+        assert(argc >= 0);
+        assert(argv);
+
+        /* called in sysvinit system as last command in shutdown/reboot so this is always forceful */
+        if (utmp_get_runlevel(&runlevel, NULL) >= 0)
+                if (IN_SET(runlevel, '0', '6'))
+                        arg_force = 2;
+
+        while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
+                switch (c) {
+
+                case ARG_HELP:
+                        return halt_help();
+
+                case ARG_HALT:
+                        arg_action = ACTION_HALT;
+                        break;
+
+                case 'p':
+                        if (arg_action != ACTION_REBOOT)
+                                arg_action = ACTION_POWEROFF;
+                        break;
+
+                case ARG_REBOOT:
+                        arg_action = ACTION_REBOOT;
+                        break;
+
+                case 'f':
+                        arg_force = 2;
+                        break;
+
+                case 'w':
+                        arg_dry_run = true;
+                        break;
+
+                case 'd':
+                        arg_no_wtmp = true;
+                        break;
+
+                case 'n':
+                        arg_no_sync = true;
+                        break;
+
+                case ARG_NO_WALL:
+                        arg_no_wall = true;
+                        break;
+
+                case 'i':
+                case 'h':
+                        /* Compatibility nops */
+                        break;
+
+                case '?':
+                        return -EINVAL;
+
+                default:
+                        assert_not_reached();
+                }
+
+        if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
+                r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
+                if (r < 0)
+                        return r;
+        } else if (optind < argc)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Too many arguments.");
+
+        return 1;
+}
+
+int halt_main(void) {
+        int r;
+
+        if (arg_force == 0) {
+                /* always try logind first */
+                if (arg_when > 0)
+                        r = logind_schedule_shutdown();
+                else {
+                        r = logind_check_inhibitors(arg_action);
+                        if (r < 0)
+                                return r;
+
+                        r = logind_reboot(arg_action);
+                }
+                if (r >= 0)
+                        return r;
+                if (IN_SET(r, -EACCES, -EOPNOTSUPP, -EINPROGRESS))
+                        /* Requested operation requires auth, 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)
+                        return start_with_fallback();
+        }
+
+        if (geteuid() != 0) {
+                (void) must_be_root();
+                return -EPERM;
+        }
+
+        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 %s: %m", action_table[arg_action].verb);
+}