1 files changed, 143 insertions, 0 deletions
diff --git a/src/systemctl/systemctl-compat-shutdown.c b/src/systemctl/systemctl-compat-shutdown.c
new file mode 100644
index 0000000..0c7d18b
--- /dev/null
+++ b/src/systemctl/systemctl-compat-shutdown.c
@@ -0,0 +1,143 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <getopt.h>
+
+#include "alloc-util.h"
+#include "pretty-print.h"
+#include "systemctl-compat-shutdown.h"
+#include "systemctl-sysv-compat.h"
+#include "systemctl.h"
+#include "terminal-util.h"
+
+static int shutdown_help(void) {
+        _cleanup_free_ char *link = NULL;
+        int r;
+
+        r = terminal_urlify_man("shutdown", "8", &link);
+        if (r < 0)
+                return log_oom();
+
+        printf("%s [OPTIONS...] [TIME] [WALL...]\n"
+               "\n%sShut down the system.%s\n"
+               "\nOptions:\n"
+               "     --help      Show this help\n"
+               "  -H --halt      Halt the machine\n"
+               "  -P --poweroff  Power-off the machine\n"
+               "  -r --reboot    Reboot the machine\n"
+               "  -h             Equivalent to --poweroff, overridden by --halt\n"
+               "  -k             Don't halt/power-off/reboot, just send warnings\n"
+               "     --no-wall   Don't send wall message before halt/power-off/reboot\n"
+               "  -c             Cancel a pending shutdown\n"
+               "\nSee the %s for details.\n"
+               , program_invocation_short_name
+               , ansi_highlight(), ansi_normal()
+               , link
+        );
+
+        return 0;
+}
+
+int shutdown_parse_argv(int argc, char *argv[]) {
+        enum {
+                ARG_HELP = 0x100,
+                ARG_NO_WALL
+        };
+
+        static const struct option options[] = {
+                { "help",      no_argument,       NULL, ARG_HELP    },
+                { "halt",      no_argument,       NULL, 'H'         },
+                { "poweroff",  no_argument,       NULL, 'P'         },
+                { "reboot",    no_argument,       NULL, 'r'         },
+                { "kexec",     no_argument,       NULL, 'K'         }, /* not documented extension */
+                { "no-wall",   no_argument,       NULL, ARG_NO_WALL },
+                {}
+        };
+
+        char **wall = NULL;
+        int c, r;
+
+        assert(argc >= 0);
+        assert(argv);
+
+        while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
+                switch (c) {
+
+                case ARG_HELP:
+                        return shutdown_help();
+
+                case 'H':
+                        arg_action = ACTION_HALT;
+                        break;
+
+                case 'P':
+                        arg_action = ACTION_POWEROFF;
+                        break;
+
+                case 'r':
+                        if (kexec_loaded())
+                                arg_action = ACTION_KEXEC;
+                        else
+                                arg_action = ACTION_REBOOT;
+                        break;
+
+                case 'K':
+                        arg_action = ACTION_KEXEC;
+                        break;
+
+                case 'h':
+                        if (arg_action != ACTION_HALT)
+                                arg_action = ACTION_POWEROFF;
+                        break;
+
+                case 'k':
+                        arg_dry_run = true;
+                        break;
+
+                case ARG_NO_WALL:
+                        arg_no_wall = true;
+                        break;
+
+                case 'a':
+                case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
+                case 'f':
+                case 'F':
+                        /* Compatibility nops */
+                        break;
+
+                case 'c':
+                        arg_action = ACTION_CANCEL_SHUTDOWN;
+                        break;
+
+                case '?':
+                        return -EINVAL;
+
+                default:
+                        assert_not_reached("Unhandled option");
+                }
+
+        if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
+                r = parse_shutdown_time_spec(argv[optind], &arg_when);
+                if (r < 0) {
+                        log_error("Failed to parse time specification: %s", argv[optind]);
+                        return r;
+                }
+        } else
+                arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
+
+        if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
+                /* No time argument for shutdown cancel */
+                wall = argv + optind;
+        else if (argc > optind + 1)
+                /* We skip the time argument */
+                wall = argv + optind + 1;
+
+        if (wall) {
+                arg_wall = strv_copy(wall);
+                if (!arg_wall)
+                        return log_oom();
+        }
+
+        optind = argc;
+
+        return 1;
+}