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-rw-r--r--src/systemctl/systemctl-trivial-method.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/systemctl/systemctl-trivial-method.c b/src/systemctl/systemctl-trivial-method.c
new file mode 100644
index 0000000..5e530f3
--- /dev/null
+++ b/src/systemctl/systemctl-trivial-method.c
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "systemctl-trivial-method.h"
+#include "systemctl-util.h"
+#include "systemctl.h"
+
+/* A generic implementation for cases we just need to invoke a simple method call on the Manager object. */
+
+int verb_trivial_method(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *method;
+ sd_bus *bus;
+ int r;
+
+ if (arg_dry_run)
+ return 0;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ polkit_agent_open_maybe();
+
+ method =
+ streq(argv[0], "clear-jobs") ||
+ streq(argv[0], "cancel") ? "ClearJobs" :
+ streq(argv[0], "reset-failed") ? "ResetFailed" :
+ streq(argv[0], "halt") ? "Halt" :
+ streq(argv[0], "reboot") ? "Reboot" :
+ streq(argv[0], "kexec") ? "KExec" :
+ streq(argv[0], "exit") ? "Exit" :
+ /* poweroff */ "PowerOff";
+
+ r = bus_call_method(bus, bus_systemd_mgr, method, &error, NULL, NULL);
+ if (r < 0 && arg_action == ACTION_SYSTEMCTL)
+ return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
+
+ /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support
+ * fallbacks to the old ways of doing things, hence don't log any error in that case here. */
+
+ return r < 0 ? r : 0;
+}