return r;
}
+static int get_unit_path(
+ DBusConnection *bus,
+ const char *name,
+ char **unit_path) {
+
+ DBusError error;
+ DBusMessage *m = NULL, *reply = NULL;
+ char *path;
+ int r = 0;
+
+ assert(bus);
+ assert(name);
+ assert(unit_path);
+
+ dbus_error_init(&error);
+
+ m = dbus_message_new_method_call("org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit");
+ if (!m) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+ if (!reply) {
+ if (streq(error.name, BUS_ERROR_NO_SUCH_UNIT))
+ r = -EINVAL;
+ else {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ }
+ goto finish;
+ }
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ *unit_path = strdup(path);
+ if (!(*unit_path)) {
+ log_error("Failed to duplicate unit path");
+ r = -ENOMEM;
+ }
+finish:
+ if (m)
+ dbus_message_unref(m);
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int check_one_unit(DBusConnection *bus, char *name, bool quiet) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ DBusMessageIter iter, sub;
+ const char
+ *interface = "org.freedesktop.systemd1.Unit",
+ *property = "ActiveState";
+ const char *path = NULL;
+ const char *state;
+ int r = 3; /* According to LSB: "program is not running" */
+
+ assert(bus);
+ assert(name);
+
+ dbus_error_init(&error);
+
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit");
+ if (!m) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+ if (!reply) {
+ /* Hmm, cannot figure out anything about this unit... */
+ if (!quiet)
+ puts("unknown");
+
+ goto finish;
+ }
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "Get");
+ if (!m) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_STRING, &property,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ dbus_message_unref(reply);
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+ if (!reply) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_get_basic(&sub, &state);
+
+ if (!quiet)
+ puts(state);
+
+ if (streq(state, "active") || streq(state, "reloading"))
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static void check_listening_sockets(
+ DBusConnection *bus,
+ const char *unit_name) {
+
+ DBusError error;
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusMessageIter iter, sub;
+ char *service_trigger = NULL;
+ const char *interface = "org.freedesktop.systemd1.Unit",
+ *triggered_by_property = "TriggeredBy";
+
+ char *unit_path = NULL;
+ bool print_warning_label = true;
+
+ dbus_error_init(&error);
+
+ if (get_unit_path(bus, unit_name, &unit_path) < 0)
+ goto finish;
+
+ m = dbus_message_new_method_call("org.freedesktop.systemd1",
+ unit_path,
+ "org.freedesktop.DBus.Properties",
+ "Get");
+ if (!m) {
+ log_error("Could not allocate message.");
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_STRING, &triggered_by_property,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ goto finish;
+ }
+
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+ if (!reply) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ goto finish;
+ }
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
+ goto finish;
+
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+ dbus_message_iter_recurse(&sub, &iter);
+ sub = iter;
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ int r;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
+ goto finish;
+ }
+
+ dbus_message_iter_get_basic(&sub, &service_trigger);
+
+ if (!endswith(service_trigger, ".socket"))
+ goto next;
+
+ r = check_one_unit(bus, service_trigger, true);
+ if (r < 0)
+ goto finish;
+ if (r == 0) {
+ if (print_warning_label) {
+ log_warning("There are listening sockets associated with %s :", unit_name);
+ print_warning_label = false;
+ }
+ log_warning("%s", service_trigger);
+ }
+next:
+ dbus_message_iter_recurse(&iter, &sub);
+ iter = sub;
+ }
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ free(unit_path);
+}
+
static int start_unit_one(
DBusConnection *bus,
const char *method,
}
}
+ /* When stopping unit check if we have some listening sockets active */
+ if (streq(method, "StopUnit") && !arg_quiet)
+ check_listening_sockets(bus, name);
+
r = 0;
finish:
}
static int check_unit(DBusConnection *bus, char **args) {
- DBusMessage *m = NULL, *reply = NULL;
- const char
- *interface = "org.freedesktop.systemd1.Unit",
- *property = "ActiveState";
- int r = 3; /* According to LSB: "program is not running" */
- DBusError error;
char **name;
+ int r = 3; /* According to LSB: "program is not running" */
assert(bus);
assert(args);
- dbus_error_init(&error);
-
STRV_FOREACH(name, args+1) {
- const char *path = NULL;
- const char *state;
- DBusMessageIter iter, sub;
-
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetUnit"))) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
-
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, name,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
- goto finish;
- }
-
- if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-
- /* Hmm, cannot figure out anything about this unit... */
- if (!arg_quiet)
- puts("unknown");
-
- dbus_error_free(&error);
- dbus_message_unref(m);
- m = NULL;
- continue;
- }
-
- if (!dbus_message_get_args(reply, &error,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", bus_error_message(&error));
- r = -EIO;
- goto finish;
- }
-
- dbus_message_unref(m);
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.DBus.Properties",
- "Get"))) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
-
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &interface,
- DBUS_TYPE_STRING, &property,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
- goto finish;
- }
-
- dbus_message_unref(reply);
- if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- r = -EIO;
- goto finish;
- }
-
- if (!dbus_message_iter_init(reply, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- dbus_message_iter_recurse(&iter, &sub);
-
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- dbus_message_iter_get_basic(&sub, &state);
-
- if (!arg_quiet)
- puts(state);
-
- if (streq(state, "active") || streq(state, "reloading"))
+ int state = check_one_unit(bus, *name, arg_quiet);
+ if (state < 0)
+ return state;
+ if (state == 0)
r = 0;
-
- dbus_message_unref(m);
- dbus_message_unref(reply);
- m = reply = NULL;
}
-finish:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- dbus_error_free(&error);
-
return r;
}