1514 lines
50 KiB
C
1514 lines
50 KiB
C
/*-*- Mode: C; c-basic-offset: 8 -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdio.h>
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#include <getopt.h>
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#include <stdbool.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <termios.h>
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#include <unistd.h>
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#include <dbus/dbus.h>
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#include "log.h"
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#include "util.h"
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#include "macro.h"
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#include "set.h"
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static const char *arg_type = NULL;
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static bool arg_all = false;
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static bool arg_replace = false;
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static bool arg_session = false;
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static bool arg_block = false;
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static int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next) {
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if (dbus_message_iter_get_arg_type(iter) != type)
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return -EIO;
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dbus_message_iter_get_basic(iter, data);
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if (!dbus_message_iter_next(iter) != !next)
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return -EIO;
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return 0;
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}
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static int columns(void) {
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static int parsed_columns = 0;
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const char *e;
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if (parsed_columns > 0)
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return parsed_columns;
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if ((e = getenv("COLUMNS")))
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parsed_columns = atoi(e);
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if (parsed_columns <= 0) {
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struct winsize ws;
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zero(ws);
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if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) >= 0)
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parsed_columns = ws.ws_col;
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}
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if (parsed_columns <= 0)
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parsed_columns = 80;
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return parsed_columns;
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}
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static int list_units(DBusConnection *bus, char **args, unsigned n) {
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DBusMessage *m = NULL, *reply = NULL;
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DBusError error;
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int r;
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DBusMessageIter iter, sub, sub2;
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unsigned k = 0;
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dbus_error_init(&error);
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if (!(m = dbus_message_new_method_call(
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"org.freedesktop.systemd1",
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"ListUnits"))) {
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log_error("Could not allocate message.");
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return -ENOMEM;
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}
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if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
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log_error("Failed to issue method call: %s", error.message);
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r = -EIO;
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goto finish;
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}
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if (!dbus_message_iter_init(reply, &iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
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dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
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log_error("Failed to parse reply.");
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r = -EIO;
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goto finish;
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}
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dbus_message_iter_recurse(&iter, &sub);
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printf("%-45s %-6s %-12s %-12s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
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while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
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const char *id, *description, *load_state, *active_state, *sub_state, *unit_state, *job_type, *job_path, *dot;
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uint32_t job_id;
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if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
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log_error("Failed to parse reply.");
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r = -EIO;
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goto finish;
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}
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dbus_message_iter_recurse(&sub, &sub2);
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if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_state, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &job_id, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &job_type, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, false) < 0) {
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log_error("Failed to parse reply.");
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r = -EIO;
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goto finish;
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}
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if ((!arg_type || ((dot = strrchr(id, '.')) &&
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streq(dot+1, arg_type))) &&
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(arg_all || !streq(active_state, "inactive"))) {
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int a = 0, b = 0;
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printf("%-45s %-6s %-12s %-12s%n", id, load_state, active_state, sub_state, &a);
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if (job_id != 0)
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printf(" %-15s%n", job_type, &b);
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else
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b = 1 + 15;
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if (a + b + 2 < columns()) {
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if (job_id == 0)
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printf(" ");
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printf("%.*s", columns() - a - b - 2, description);
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}
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fputs("\n", stdout);
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k++;
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}
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dbus_message_iter_next(&sub);
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}
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if (arg_all)
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printf("\n%u units listed.\n", k);
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else
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printf("\n%u live units listed. Pass --all to see dead units, too.\n", k);
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r = 0;
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finish:
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if (m)
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dbus_message_unref(m);
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if (reply)
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dbus_message_unref(reply);
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dbus_error_free(&error);
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return r;
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}
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static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
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DBusMessage *m = NULL, *reply = NULL;
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DBusError error;
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int r;
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DBusMessageIter iter, sub, sub2;
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unsigned k = 0;
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dbus_error_init(&error);
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if (!(m = dbus_message_new_method_call(
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"org.freedesktop.systemd1",
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"ListJobs"))) {
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log_error("Could not allocate message.");
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return -ENOMEM;
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}
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if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
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log_error("Failed to issue method call: %s", error.message);
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r = -EIO;
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goto finish;
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}
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if (!dbus_message_iter_init(reply, &iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
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dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
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log_error("Failed to parse reply.");
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r = -EIO;
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goto finish;
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}
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dbus_message_iter_recurse(&iter, &sub);
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printf("%4s %-45s %-17s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
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while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
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const char *name, *type, *state, *job_path, *unit_path;
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uint32_t id;
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if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
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log_error("Failed to parse reply.");
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r = -EIO;
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goto finish;
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}
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dbus_message_iter_recurse(&sub, &sub2);
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if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
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bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
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log_error("Failed to parse reply.");
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r = -EIO;
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goto finish;
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}
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printf("%4u %-45s %-17s %-7s\n", id, name, type, state);
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k++;
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dbus_message_iter_next(&sub);
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}
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printf("\n%u jobs listed.\n", k);
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r = 0;
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finish:
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if (m)
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dbus_message_unref(m);
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if (reply)
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dbus_message_unref(reply);
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dbus_error_free(&error);
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return r;
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}
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static int load_unit(DBusConnection *bus, char **args, unsigned n) {
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DBusMessage *m = NULL, *reply = NULL;
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DBusError error;
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int r;
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unsigned i;
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dbus_error_init(&error);
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for (i = 1; i < n; i++) {
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if (!(m = dbus_message_new_method_call(
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"org.freedesktop.systemd1",
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"LoadUnit"))) {
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log_error("Could not allocate message.");
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r = -ENOMEM;
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goto finish;
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}
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if (!dbus_message_append_args(m,
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DBUS_TYPE_STRING, &args[i],
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DBUS_TYPE_INVALID)) {
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log_error("Could not append arguments to message.");
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r = -ENOMEM;
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goto finish;
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}
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if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
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log_error("Failed to issue method call: %s", error.message);
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r = -EIO;
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goto finish;
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}
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dbus_message_unref(m);
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dbus_message_unref(reply);
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m = reply = NULL;
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}
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r = 0;
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finish:
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if (m)
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dbus_message_unref(m);
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if (reply)
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dbus_message_unref(reply);
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dbus_error_free(&error);
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return r;
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}
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|
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static int cancel_job(DBusConnection *bus, char **args, unsigned n) {
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DBusMessage *m = NULL, *reply = NULL;
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DBusError error;
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int r;
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unsigned i;
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dbus_error_init(&error);
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for (i = 1; i < n; i++) {
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unsigned id;
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const char *path;
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if (!(m = dbus_message_new_method_call(
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"org.freedesktop.systemd1",
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"GetJob"))) {
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log_error("Could not allocate message.");
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r = -ENOMEM;
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goto finish;
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}
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if ((r = safe_atou(args[i], &id)) < 0) {
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log_error("Failed to parse job id: %s", strerror(-r));
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goto finish;
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}
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assert_cc(sizeof(uint32_t) == sizeof(id));
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if (!dbus_message_append_args(m,
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DBUS_TYPE_UINT32, &id,
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DBUS_TYPE_INVALID)) {
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log_error("Could not append arguments to message.");
|
|
r = -ENOMEM;
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goto finish;
|
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}
|
|
|
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if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
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log_error("Failed to issue method call: %s", error.message);
|
|
r = -EIO;
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goto finish;
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}
|
|
|
|
if (!dbus_message_get_args(reply, &error,
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DBUS_TYPE_OBJECT_PATH, &path,
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DBUS_TYPE_INVALID)) {
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log_error("Failed to parse reply: %s", error.message);
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r = -EIO;
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goto finish;
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}
|
|
|
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dbus_message_unref(m);
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if (!(m = dbus_message_new_method_call(
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"org.freedesktop.systemd1",
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path,
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"org.freedesktop.systemd1.Job",
|
|
"Cancel"))) {
|
|
log_error("Could not allocate message.");
|
|
r = -ENOMEM;
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goto finish;
|
|
}
|
|
|
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dbus_message_unref(reply);
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|
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
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log_error("Failed to issue method call: %s", error.message);
|
|
r = -EIO;
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goto finish;
|
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}
|
|
|
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dbus_message_unref(m);
|
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dbus_message_unref(reply);
|
|
m = reply = NULL;
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}
|
|
|
|
r = 0;
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|
|
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finish:
|
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if (m)
|
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dbus_message_unref(m);
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|
|
|
if (reply)
|
|
dbus_message_unref(reply);
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|
|
|
dbus_error_free(&error);
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|
|
|
return r;
|
|
}
|
|
|
|
static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) {
|
|
DBusError error;
|
|
Set *s = data;
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|
|
|
assert(connection);
|
|
assert(message);
|
|
assert(s);
|
|
|
|
dbus_error_init(&error);
|
|
|
|
/* log_debug("Got D-Bus request: %s.%s() on %s", */
|
|
/* dbus_message_get_interface(message), */
|
|
/* dbus_message_get_member(message), */
|
|
/* dbus_message_get_path(message)); */
|
|
|
|
if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
|
|
log_error("Warning! D-Bus connection terminated.");
|
|
dbus_connection_close(connection);
|
|
|
|
} else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
|
|
uint32_t id;
|
|
const char *path;
|
|
|
|
if (!dbus_message_get_args(message, &error,
|
|
DBUS_TYPE_UINT32, &id,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID))
|
|
log_error("Failed to parse message: %s", error.message);
|
|
else {
|
|
char *p;
|
|
|
|
if ((p = set_remove(s, (char*) path)))
|
|
free(p);
|
|
}
|
|
}
|
|
|
|
dbus_error_free(&error);
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
}
|
|
|
|
static int enable_wait_for_jobs(DBusConnection *bus) {
|
|
DBusError error;
|
|
DBusMessage *m = NULL, *reply = NULL;
|
|
int r;
|
|
|
|
assert(bus);
|
|
|
|
dbus_error_init(&error);
|
|
|
|
dbus_bus_add_match(bus,
|
|
"type='signal',"
|
|
"sender='org.freedesktop.systemd1',"
|
|
"interface='org.freedesktop.systemd1.Manager',"
|
|
"member='JobRemoved',"
|
|
"path='/org/freedesktop/systemd1'",
|
|
&error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
log_error("Failed to add match: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
if (!(m = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"Subscribe"))) {
|
|
log_error("Could not allocate message.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
|
|
log_error("Failed to issue method call: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
/* This is slightly dirty, since we don't undo the match registrations. */
|
|
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int wait_for_jobs(DBusConnection *bus, Set *s) {
|
|
int r;
|
|
|
|
assert(bus);
|
|
assert(s);
|
|
|
|
if (!dbus_connection_add_filter(bus, wait_filter, s, NULL)) {
|
|
log_error("Failed to add filter.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
while (!set_isempty(s) &&
|
|
dbus_connection_read_write_dispatch(bus, -1))
|
|
;
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
/* This is slightly dirty, since we don't undo the filter registration. */
|
|
|
|
return r;
|
|
}
|
|
|
|
static int start_unit(DBusConnection *bus, char **args, unsigned n) {
|
|
DBusMessage *m = NULL, *reply = NULL;
|
|
DBusError error;
|
|
int r;
|
|
unsigned i;
|
|
const char *method, *mode;
|
|
char *p = NULL;
|
|
Set *s = NULL;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
method =
|
|
streq(args[0], "start") ? "StartUnit" :
|
|
streq(args[0], "stop") ? "StopUnit" :
|
|
streq(args[0], "reload") ? "ReloadUnit" :
|
|
"RestartUnit";
|
|
|
|
mode = arg_replace ? "replace" : "fail";
|
|
|
|
if (arg_block) {
|
|
if ((r = enable_wait_for_jobs(bus)) < 0) {
|
|
log_error("Could not watch jobs: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
for (i = 1; i < n; i++) {
|
|
|
|
if (!(m = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
method))) {
|
|
log_error("Could not allocate message.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if (!dbus_message_append_args(m,
|
|
DBUS_TYPE_STRING, &args[i],
|
|
DBUS_TYPE_STRING, &mode,
|
|
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))) {
|
|
log_error("Failed to issue method call: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
if (arg_block) {
|
|
const char *path;
|
|
|
|
if (!dbus_message_get_args(reply, &error,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID)) {
|
|
log_error("Failed to parse reply: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
if (!s)
|
|
if (!(s = set_new(string_hash_func, string_compare_func))) {
|
|
log_error("Failed to allocate set.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if (!(p = strdup(path))) {
|
|
log_error("Failed to duplicate path.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if ((r = set_put(s, p)) < 0) {
|
|
log_error("Failed to add path to set.");
|
|
goto finish;
|
|
}
|
|
p = NULL;
|
|
}
|
|
|
|
dbus_message_unref(m);
|
|
dbus_message_unref(reply);
|
|
|
|
m = reply = NULL;
|
|
}
|
|
|
|
if (arg_block)
|
|
r = wait_for_jobs(bus, s);
|
|
else
|
|
r = 0;
|
|
|
|
finish:
|
|
free(p);
|
|
|
|
if (s)
|
|
set_free_free(s);
|
|
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int isolate_unit(DBusConnection *bus, char **args, unsigned n) {
|
|
DBusMessage *m = NULL, *reply = NULL;
|
|
DBusError error;
|
|
int r;
|
|
const char *mode = "isolate";
|
|
char *p = NULL;
|
|
Set *s = NULL;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
if (arg_block) {
|
|
if ((r = enable_wait_for_jobs(bus)) < 0) {
|
|
log_error("Could not watch jobs: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
if (!(m = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"StartUnit"))) {
|
|
log_error("Could not allocate message.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if (!dbus_message_append_args(m,
|
|
DBUS_TYPE_STRING, &args[1],
|
|
DBUS_TYPE_STRING, &mode,
|
|
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))) {
|
|
log_error("Failed to issue method call: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
if (arg_block) {
|
|
const char *path;
|
|
|
|
if (!dbus_message_get_args(reply, &error,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID)) {
|
|
log_error("Failed to parse reply: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
if (!(s = set_new(string_hash_func, string_compare_func))) {
|
|
log_error("Failed to allocate set.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if (!(p = strdup(path))) {
|
|
log_error("Failed to duplicate path.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if ((r = set_put(s, p)) < 0) {
|
|
log_error("Failed to add path to set.");
|
|
goto finish;
|
|
}
|
|
p = NULL;
|
|
|
|
r = wait_for_jobs(bus, s);
|
|
|
|
} else
|
|
r = 0;
|
|
|
|
finish:
|
|
free(p);
|
|
|
|
if (s)
|
|
set_free_free(s);
|
|
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return r;
|
|
}
|
|
|
|
static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage *message, void *data) {
|
|
DBusError error;
|
|
DBusMessage *m = NULL, *reply = NULL;
|
|
|
|
assert(connection);
|
|
assert(message);
|
|
|
|
dbus_error_init(&error);
|
|
|
|
/* log_debug("Got D-Bus request: %s.%s() on %s", */
|
|
/* dbus_message_get_interface(message), */
|
|
/* dbus_message_get_member(message), */
|
|
/* dbus_message_get_path(message)); */
|
|
|
|
if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
|
|
log_error("Warning! D-Bus connection terminated.");
|
|
dbus_connection_close(connection);
|
|
|
|
} else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitNew") ||
|
|
dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitRemoved")) {
|
|
const char *id, *path;
|
|
|
|
if (!dbus_message_get_args(message, &error,
|
|
DBUS_TYPE_STRING, &id,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID))
|
|
log_error("Failed to parse message: %s", error.message);
|
|
else if (streq(dbus_message_get_member(message), "UnitNew"))
|
|
printf("Unit %s added.\n", id);
|
|
else
|
|
printf("Unit %s removed.\n", id);
|
|
|
|
} else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobNew") ||
|
|
dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
|
|
uint32_t id;
|
|
const char *path;
|
|
|
|
if (!dbus_message_get_args(message, &error,
|
|
DBUS_TYPE_UINT32, &id,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID))
|
|
log_error("Failed to parse message: %s", error.message);
|
|
else if (streq(dbus_message_get_member(message), "JobNew"))
|
|
printf("Job %u added.\n", id);
|
|
else
|
|
printf("Job %u removed.\n", id);
|
|
|
|
|
|
} else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Unit", "Changed") ||
|
|
dbus_message_is_signal(message, "org.freedesktop.systemd1.Job", "Changed")) {
|
|
|
|
const char *path, *interface, *property = "Id";
|
|
DBusMessageIter iter, sub;
|
|
|
|
path = dbus_message_get_path(message);
|
|
interface = dbus_message_get_interface(message);
|
|
|
|
if (!(m = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
path,
|
|
"org.freedesktop.DBus.Properties",
|
|
"Get"))) {
|
|
log_error("Could not allocate message.");
|
|
goto oom;
|
|
}
|
|
|
|
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.");
|
|
goto finish;
|
|
}
|
|
|
|
if (!(reply = dbus_connection_send_with_reply_and_block(connection, m, -1, &error))) {
|
|
log_error("Failed to issue method call: %s", error.message);
|
|
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.");
|
|
goto finish;
|
|
}
|
|
|
|
dbus_message_iter_recurse(&iter, &sub);
|
|
|
|
if (streq(interface, "org.freedesktop.systemd1.Unit")) {
|
|
const char *id;
|
|
|
|
if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
|
|
log_error("Failed to parse reply.");
|
|
goto finish;
|
|
}
|
|
|
|
dbus_message_iter_get_basic(&sub, &id);
|
|
printf("Unit %s changed.\n", id);
|
|
} else {
|
|
uint32_t id;
|
|
|
|
if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_UINT32) {
|
|
log_error("Failed to parse reply.");
|
|
goto finish;
|
|
}
|
|
|
|
dbus_message_iter_get_basic(&sub, &id);
|
|
printf("Job %u changed.\n", id);
|
|
}
|
|
}
|
|
|
|
finish:
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
|
|
oom:
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
return DBUS_HANDLER_RESULT_NEED_MEMORY;
|
|
}
|
|
|
|
static int monitor(DBusConnection *bus, char **args, unsigned n) {
|
|
DBusMessage *m = NULL, *reply = NULL;
|
|
DBusError error;
|
|
int r;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
dbus_bus_add_match(bus,
|
|
"type='signal',"
|
|
"sender='org.freedesktop.systemd1',"
|
|
"interface='org.freedesktop.systemd1.Manager',"
|
|
"path='/org/freedesktop/systemd1'",
|
|
&error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
log_error("Failed to add match: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
dbus_bus_add_match(bus,
|
|
"type='signal',"
|
|
"sender='org.freedesktop.systemd1',"
|
|
"interface='org.freedesktop.systemd1.Unit',"
|
|
"member='Changed'",
|
|
&error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
log_error("Failed to add match: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
dbus_bus_add_match(bus,
|
|
"type='signal',"
|
|
"sender='org.freedesktop.systemd1',"
|
|
"interface='org.freedesktop.systemd1.Job',"
|
|
"member='Changed'",
|
|
&error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
log_error("Failed to add match: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
if (!dbus_connection_add_filter(bus, monitor_filter, NULL, NULL)) {
|
|
log_error("Failed to add filter.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if (!(m = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"Subscribe"))) {
|
|
log_error("Could not allocate message.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
|
|
log_error("Failed to issue method call: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
while (dbus_connection_read_write_dispatch(bus, -1))
|
|
;
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
|
|
/* This is slightly dirty, since we don't undo the filter or the matches. */
|
|
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int dump(DBusConnection *bus, char **args, unsigned n) {
|
|
DBusMessage *m = NULL, *reply = NULL;
|
|
DBusError error;
|
|
int r;
|
|
const char *text;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
if (!(m = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"Dump"))) {
|
|
log_error("Could not allocate message.");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
|
|
log_error("Failed to issue method call: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
if (!dbus_message_get_args(reply, &error,
|
|
DBUS_TYPE_STRING, &text,
|
|
DBUS_TYPE_INVALID)) {
|
|
log_error("Failed to parse reply: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
fputs(text, stdout);
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int snapshot(DBusConnection *bus, char **args, unsigned n) {
|
|
DBusMessage *m = NULL, *reply = NULL;
|
|
DBusError error;
|
|
int r;
|
|
const char *name = "", *path, *id;
|
|
dbus_bool_t cleanup = FALSE;
|
|
DBusMessageIter iter, sub;
|
|
const char
|
|
*interface = "org.freedesktop.systemd1.Unit",
|
|
*property = "Id";
|
|
|
|
dbus_error_init(&error);
|
|
|
|
if (!(m = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"CreateSnapshot"))) {
|
|
log_error("Could not allocate message.");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if (n > 1)
|
|
name = args[1];
|
|
|
|
if (!dbus_message_append_args(m,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_BOOLEAN, &cleanup,
|
|
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))) {
|
|
log_error("Failed to issue method call: %s", error.message);
|
|
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", error.message);
|
|
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.");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
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", error.message);
|
|
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, &id);
|
|
puts(id);
|
|
r = 0;
|
|
|
|
finish:
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int clear_jobs(DBusConnection *bus, char **args, unsigned n) {
|
|
DBusMessage *m = NULL, *reply = NULL;
|
|
DBusError error;
|
|
int r;
|
|
const char *method;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
method =
|
|
streq(args[0], "clear-jobs") ? "ClearJobs" :
|
|
streq(args[0], "daemon-reload") ? "Reload" :
|
|
streq(args[0], "daemon-reexec") ? "Reexecute" :
|
|
"Exit";
|
|
|
|
if (!(m = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
method))) {
|
|
log_error("Could not allocate message.");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
|
|
log_error("Failed to issue method call: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int show_enviroment(DBusConnection *bus, char **args, unsigned n) {
|
|
DBusMessage *m = NULL, *reply = NULL;
|
|
DBusError error;
|
|
DBusMessageIter iter, sub, sub2;
|
|
int r;
|
|
const char
|
|
*interface = "org.freedesktop.systemd1.Manager",
|
|
*property = "Environment";
|
|
|
|
dbus_error_init(&error);
|
|
|
|
if (!(m = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.DBus.Properties",
|
|
"Get"))) {
|
|
log_error("Could not allocate message.");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
|
|
log_error("Failed to issue method call: %s", error.message);
|
|
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_ARRAY ||
|
|
dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) {
|
|
log_error("Failed to parse reply.");
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
dbus_message_iter_recurse(&sub, &sub2);
|
|
|
|
while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
|
|
const char *text;
|
|
|
|
if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
|
|
log_error("Failed to parse reply.");
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
dbus_message_iter_get_basic(&sub2, &text);
|
|
printf("%s\n", text);
|
|
|
|
dbus_message_iter_next(&sub2);
|
|
}
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int set_environment(DBusConnection *bus, char **args, unsigned n) {
|
|
DBusMessage *m = NULL, *reply = NULL;
|
|
DBusError error;
|
|
int r;
|
|
const char *method;
|
|
DBusMessageIter iter, sub;
|
|
unsigned i;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
method = streq(args[0], "set-environment")
|
|
? "SetEnvironment"
|
|
: "UnsetEnvironment";
|
|
|
|
if (!(m = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
method))) {
|
|
|
|
log_error("Could not allocate message.");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
dbus_message_iter_init_append(m, &iter);
|
|
|
|
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
|
|
log_error("Could not append arguments to message.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
for (i = 1; i < n; i++)
|
|
if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &args[i])) {
|
|
log_error("Could not append arguments to message.");
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if (!dbus_message_iter_close_container(&iter, &sub)) {
|
|
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))) {
|
|
log_error("Failed to issue method call: %s", error.message);
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int help(void) {
|
|
|
|
printf("%s [options]\n\n"
|
|
" -h --help Show this help\n"
|
|
" -t --type=TYPE List only units of a particular type\n"
|
|
" -a --all Show all units, including dead ones\n"
|
|
" --replace When installing a new job, replace existing conflicting ones\n"
|
|
" --system Connect to system bus\n"
|
|
" --session Connect to session bus\n"
|
|
" --block Wait until operation finished\n\n"
|
|
"Commands:\n"
|
|
" list-units List units\n"
|
|
" list-jobs List jobs\n"
|
|
" clear-jobs Cancel all jobs\n"
|
|
" load [NAME...] Load one or more units\n"
|
|
" cancel [JOB...] Cancel one or more jobs\n"
|
|
" start [NAME...] Start one or more units\n"
|
|
" stop [NAME...] Stop one or more units\n"
|
|
" restart [NAME...] Restart one or more units\n"
|
|
" reload [NAME...] Reload one or more units\n"
|
|
" isolate [NAME] Start one unit and stop all others\n"
|
|
" monitor Monitor unit/job changes\n"
|
|
" dump Dump server status\n"
|
|
" snapshot [NAME] Create a snapshot\n"
|
|
" daemon-reload Reload daemon configuration\n"
|
|
" daemon-reexecute Reexecute daemon\n"
|
|
" daemon-exit Ask the daemon to quit\n"
|
|
" show-environment Dump environment\n"
|
|
" set-environment [NAME=VALUE...] Set one or more environment variables\n"
|
|
" unset-environment [NAME...] Unset one or more environment variables\n",
|
|
program_invocation_short_name);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int parse_argv(int argc, char *argv[]) {
|
|
|
|
enum {
|
|
ARG_REPLACE = 0x100,
|
|
ARG_SESSION,
|
|
ARG_SYSTEM,
|
|
ARG_BLOCK,
|
|
};
|
|
|
|
static const struct option options[] = {
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{ "type", required_argument, NULL, 't' },
|
|
{ "all", no_argument, NULL, 'a' },
|
|
{ "replace", no_argument, NULL, ARG_REPLACE },
|
|
{ "session", no_argument, NULL, ARG_SESSION },
|
|
{ "system", no_argument, NULL, ARG_SYSTEM },
|
|
{ "block", no_argument, NULL, ARG_BLOCK },
|
|
{ NULL, 0, NULL, 0 }
|
|
};
|
|
|
|
int c;
|
|
|
|
assert(argc >= 1);
|
|
assert(argv);
|
|
|
|
while ((c = getopt_long(argc, argv, "hta", options, NULL)) >= 0) {
|
|
|
|
switch (c) {
|
|
|
|
case 'h':
|
|
help();
|
|
return 0;
|
|
|
|
case 't':
|
|
arg_type = optarg;
|
|
break;
|
|
|
|
case 'a':
|
|
arg_all = true;
|
|
break;
|
|
|
|
case ARG_REPLACE:
|
|
arg_replace = true;
|
|
break;
|
|
|
|
case ARG_SESSION:
|
|
arg_session = true;
|
|
break;
|
|
|
|
case ARG_SYSTEM:
|
|
arg_session = false;
|
|
break;
|
|
|
|
case ARG_BLOCK:
|
|
arg_block = true;
|
|
break;
|
|
|
|
case '?':
|
|
return -EINVAL;
|
|
|
|
default:
|
|
log_error("Unknown option code %c", c);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char*argv[]) {
|
|
|
|
static const struct {
|
|
const char* verb;
|
|
const enum {
|
|
MORE,
|
|
LESS,
|
|
EQUAL
|
|
} argc_cmp;
|
|
const int argc;
|
|
int (* const dispatch)(DBusConnection *bus, char **args, unsigned n);
|
|
} verbs[] = {
|
|
{ "list-units", LESS, 1, list_units },
|
|
{ "list-jobs", EQUAL, 1, list_jobs },
|
|
{ "clear-jobs", EQUAL, 1, clear_jobs },
|
|
{ "load", MORE, 2, load_unit },
|
|
{ "cancel", MORE, 2, cancel_job },
|
|
{ "start", MORE, 2, start_unit },
|
|
{ "stop", MORE, 2, start_unit },
|
|
{ "reload", MORE, 2, start_unit },
|
|
{ "restart", MORE, 2, start_unit },
|
|
{ "isolate", EQUAL, 2, isolate_unit },
|
|
{ "monitor", EQUAL, 1, monitor },
|
|
{ "dump", EQUAL, 1, dump },
|
|
{ "snapshot", LESS, 2, snapshot },
|
|
{ "daemon-reload", EQUAL, 1, clear_jobs },
|
|
{ "daemon-reexec", EQUAL, 1, clear_jobs },
|
|
{ "daemon-exit", EQUAL, 1, clear_jobs },
|
|
{ "show-environment", EQUAL, 1, show_enviroment },
|
|
{ "set-environment", MORE, 2, set_environment },
|
|
{ "unset-environment", MORE, 2, set_environment },
|
|
};
|
|
|
|
int r, retval = 1, left;
|
|
unsigned i;
|
|
DBusConnection *bus = NULL;
|
|
DBusError error;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
log_set_target(LOG_TARGET_CONSOLE);
|
|
log_set_max_level(LOG_INFO);
|
|
log_parse_environment();
|
|
|
|
if ((r = parse_argv(argc, argv)) < 0)
|
|
goto finish;
|
|
else if (r == 0) {
|
|
retval = 0;
|
|
goto finish;
|
|
}
|
|
|
|
left = argc - optind;
|
|
|
|
if (left <= 0)
|
|
/* Special rule: no arguments means "list-units" */
|
|
i = 0;
|
|
else {
|
|
for (i = 0; i < ELEMENTSOF(verbs); i++)
|
|
if (streq(argv[optind], verbs[i].verb))
|
|
break;
|
|
|
|
if (i >= ELEMENTSOF(verbs)) {
|
|
log_error("Unknown operation %s", argv[optind]);
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
switch (verbs[i].argc_cmp) {
|
|
|
|
case EQUAL:
|
|
if (left != verbs[i].argc) {
|
|
log_error("Invalid number of arguments.");
|
|
goto finish;
|
|
}
|
|
|
|
break;
|
|
|
|
case MORE:
|
|
if (left < verbs[i].argc) {
|
|
log_error("Too few arguments.");
|
|
goto finish;
|
|
}
|
|
|
|
break;
|
|
|
|
case LESS:
|
|
if (left > verbs[i].argc) {
|
|
log_error("Too many arguments.");
|
|
goto finish;
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
assert_not_reached("Unknown comparison operator.");
|
|
}
|
|
|
|
if (!(bus = dbus_bus_get(arg_session ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &error))) {
|
|
log_error("Failed to get D-Bus connection: %s", error.message);
|
|
goto finish;
|
|
}
|
|
|
|
dbus_connection_set_exit_on_disconnect(bus, FALSE);
|
|
|
|
retval = verbs[i].dispatch(bus, argv + optind, left) < 0;
|
|
|
|
finish:
|
|
|
|
if (bus)
|
|
dbus_connection_unref(bus);
|
|
|
|
dbus_shutdown();
|
|
|
|
return retval;
|
|
}
|