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-rw-r--r--src/systemctl/systemctl-is-enabled.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/src/systemctl/systemctl-is-enabled.c b/src/systemctl/systemctl-is-enabled.c
new file mode 100644
index 0000000..2d33313
--- /dev/null
+++ b/src/systemctl/systemctl-is-enabled.c
@@ -0,0 +1,137 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "systemctl-is-enabled.h"
+#include "systemctl-sysv-compat.h"
+#include "systemctl-util.h"
+#include "systemctl.h"
+
+static int show_installation_targets_client_side(const char *name) {
+ InstallChange *changes = NULL;
+ size_t n_changes = 0;
+ UnitFileFlags flags;
+ char **p;
+ int r;
+
+ p = STRV_MAKE(name);
+ flags = UNIT_FILE_DRY_RUN |
+ (arg_runtime ? UNIT_FILE_RUNTIME : 0);
+
+ r = unit_file_disable(LOOKUP_SCOPE_SYSTEM, flags, NULL, p, &changes, &n_changes);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get file links for %s: %m", name);
+
+ for (size_t i = 0; i < n_changes; i++)
+ if (changes[i].type == INSTALL_CHANGE_UNLINK)
+ printf(" %s\n", changes[i].path);
+
+ return 0;
+}
+
+static int show_installation_targets(sd_bus *bus, const char *name) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *link;
+ int r;
+
+ r = bus_call_method(bus, bus_systemd_mgr, "GetUnitFileLinks", &error, &reply, "sb", name, arg_runtime);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
+ printf(" %s\n", link);
+
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+}
+
+int verb_is_enabled(int argc, char *argv[], void *userdata) {
+ _cleanup_strv_free_ char **names = NULL;
+ bool enabled;
+ int r;
+
+ r = mangle_names("to check", strv_skip(argv, 1), &names);
+ if (r < 0)
+ return r;
+
+ r = enable_sysv_units(argv[0], names);
+ if (r < 0)
+ return r;
+
+ enabled = r > 0;
+
+ if (install_client_side()) {
+ STRV_FOREACH(name, names) {
+ UnitFileState state;
+
+ r = unit_file_get_state(arg_scope, arg_root, *name, &state);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
+
+ if (IN_SET(state,
+ UNIT_FILE_ENABLED,
+ UNIT_FILE_ENABLED_RUNTIME,
+ UNIT_FILE_STATIC,
+ UNIT_FILE_ALIAS,
+ UNIT_FILE_INDIRECT,
+ UNIT_FILE_GENERATED))
+ enabled = true;
+
+ if (!arg_quiet) {
+ puts(unit_file_state_to_string(state));
+ if (arg_full) {
+ r = show_installation_targets_client_side(*name);
+ if (r < 0)
+ return r;
+ }
+ }
+ }
+
+ r = 0;
+ } else {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(name, names) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *s;
+
+ r = bus_call_method(bus, bus_systemd_mgr, "GetUnitFileState", &error, &reply, "s", *name);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "s", &s);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "alias", "indirect", "generated"))
+ enabled = true;
+
+ if (!arg_quiet) {
+ puts(s);
+ if (arg_full) {
+ r = show_installation_targets(bus, *name);
+ if (r < 0)
+ return r;
+ }
+ }
+ }
+ }
+
+ return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
+}