1314 lines
43 KiB
C
1314 lines
43 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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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 Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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 <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <getopt.h>
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#include <pwd.h>
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#include <locale.h>
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#include "sd-bus.h"
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#include "bus-util.h"
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#include "bus-error.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 "pager.h"
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#include "build.h"
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#include "strv.h"
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#include "unit-name.h"
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#include "sysfs-show.h"
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#include "cgroup-show.h"
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#include "cgroup-util.h"
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#include "spawn-polkit-agent.h"
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static char **arg_property = NULL;
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static bool arg_all = false;
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static bool arg_full = false;
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static bool arg_no_pager = false;
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static bool arg_legend = true;
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static const char *arg_kill_who = NULL;
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static int arg_signal = SIGTERM;
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static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
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static bool arg_ask_password = true;
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static char *arg_host = NULL;
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static void pager_open_if_enabled(void) {
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if (arg_no_pager)
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return;
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pager_open(false);
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}
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static void polkit_agent_open_if_enabled(void) {
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/* Open the polkit agent as a child process if necessary */
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if (!arg_ask_password)
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return;
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if (arg_transport != BUS_TRANSPORT_LOCAL)
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return;
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polkit_agent_open();
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}
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static int list_sessions(sd_bus *bus, char **args, unsigned n) {
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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const char *id, *user, *seat, *object;
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unsigned k = 0;
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uint32_t uid;
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int r;
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pager_open_if_enabled();
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r = sd_bus_call_method(
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bus,
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"org.freedesktop.login1",
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"/org/freedesktop/login1",
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"org.freedesktop.login1.Manager",
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"ListSessions",
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&error, &reply,
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"");
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if (r < 0) {
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log_error("Failed to list sessions: %s", bus_error_message(&error, r));
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return r;
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}
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r = sd_bus_message_enter_container(reply, 'a', "(susso)");
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("%10s %10s %-16s %-16s\n", "SESSION", "UID", "USER", "SEAT");
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while ((r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object)) > 0) {
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printf("%10s %10u %-16s %-16s\n", id, (unsigned) uid, user, seat);
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k++;
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}
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("\n%u sessions listed.\n", k);
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return 0;
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}
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static int list_users(sd_bus *bus, char **args, unsigned n) {
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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const char *user, *object;
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unsigned k = 0;
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uint32_t uid;
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int r;
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pager_open_if_enabled();
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r = sd_bus_call_method(
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bus,
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"org.freedesktop.login1",
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"/org/freedesktop/login1",
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"org.freedesktop.login1.Manager",
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"ListUsers",
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&error, &reply,
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"");
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if (r < 0) {
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log_error("Failed to list users: %s", bus_error_message(&error, r));
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return r;
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}
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r = sd_bus_message_enter_container(reply, 'a', "(uso)");
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("%10s %-16s\n", "UID", "USER");
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while ((r = sd_bus_message_read(reply, "(uso)", &uid, &user, &object)) > 0) {
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printf("%10u %-16s\n", (unsigned) uid, user);
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k++;
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}
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("\n%u users listed.\n", k);
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return 0;
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}
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static int list_seats(sd_bus *bus, char **args, unsigned n) {
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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const char *seat, *object;
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unsigned k = 0;
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int r;
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pager_open_if_enabled();
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r = sd_bus_call_method(
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bus,
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"org.freedesktop.login1",
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"/org/freedesktop/login1",
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"org.freedesktop.login1.Manager",
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"ListSeats",
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&error, &reply,
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"");
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if (r < 0) {
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log_error("Failed to list seats: %s", bus_error_message(&error, r));
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return r;
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}
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r = sd_bus_message_enter_container(reply, 'a', "(so)");
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("%-16s\n", "SEAT");
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while ((r = sd_bus_message_read(reply, "(so)", &seat, &object)) > 0) {
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printf("%-16s\n", seat);
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k++;
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}
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("\n%u seats listed.\n", k);
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return 0;
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}
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static int show_unit_cgroup(sd_bus *bus, const char *interface, const char *unit, pid_t leader) {
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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_cleanup_free_ char *path = NULL;
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const char *cgroup;
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int r, output_flags;
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unsigned c;
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assert(bus);
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assert(unit);
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if (arg_transport != BUS_TRANSPORT_LOCAL)
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return 0;
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path = unit_dbus_path_from_name(unit);
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if (!path)
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return -ENOMEM;
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r = sd_bus_get_property(
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bus,
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"org.freedesktop.systemd1",
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path,
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interface,
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"ControlGroup",
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&error, &reply, "s");
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if (r < 0)
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return r;
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r = sd_bus_message_read(reply, "s", &cgroup);
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if (r < 0)
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return r;
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if (isempty(cgroup))
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return 0;
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if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup, false) != 0 && leader <= 0)
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return 0;
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output_flags =
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arg_all * OUTPUT_SHOW_ALL |
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arg_full * OUTPUT_FULL_WIDTH;
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c = columns();
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if (c > 18)
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c -= 18;
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else
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c = 0;
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show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, false, &leader, leader > 0, output_flags);
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return 0;
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}
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typedef struct SessionStatusInfo {
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const char *id;
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uid_t uid;
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const char *name;
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usec_t timestamp;
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unsigned int vtnr;
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const char *seat;
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const char *tty;
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const char *display;
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bool remote;
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const char *remote_host;
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const char *remote_user;
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const char *service;
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pid_t leader;
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const char *type;
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const char *class;
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const char *state;
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const char *scope;
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const char *desktop;
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} SessionStatusInfo;
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typedef struct UserStatusInfo {
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uid_t uid;
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const char *name;
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usec_t timestamp;
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const char *state;
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char **sessions;
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const char *display;
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const char *slice;
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} UserStatusInfo;
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typedef struct SeatStatusInfo {
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const char *id;
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const char *active_session;
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char **sessions;
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} SeatStatusInfo;
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static int prop_map_first_of_struct(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
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const char *contents;
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int r;
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r = sd_bus_message_peek_type(m, NULL, &contents);
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if (r < 0)
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return r;
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r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, contents);
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if (r < 0)
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return r;
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if (contents[0] == 's' || contents[0] == 'o') {
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const char *s;
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char **p = (char **) userdata;
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r = sd_bus_message_read_basic(m, contents[0], &s);
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if (r < 0)
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return r;
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free(*p);
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*p = strdup(s);
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if (!*p)
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return -ENOMEM;
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} else {
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r = sd_bus_message_read_basic(m, contents[0], userdata);
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if (r < 0)
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return r;
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}
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r = sd_bus_message_skip(m, contents+1);
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if (r < 0)
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return r;
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r = sd_bus_message_exit_container(m);
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if (r < 0)
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return r;
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return 0;
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}
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static int prop_map_sessions_strv(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
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const char *name;
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int r;
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assert(bus);
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assert(m);
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r = sd_bus_message_enter_container(m, 'a', "(so)");
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if (r < 0)
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return r;
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while ((r = sd_bus_message_read(m, "(so)", &name, NULL)) > 0) {
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r = strv_extend(userdata, name);
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if (r < 0)
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return r;
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}
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if (r < 0)
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return r;
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return sd_bus_message_exit_container(m);
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}
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static int print_session_status_info(sd_bus *bus, const char *path, bool *new_line) {
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static const struct bus_properties_map map[] = {
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{ "Id", "s", NULL, offsetof(SessionStatusInfo, id) },
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{ "Name", "s", NULL, offsetof(SessionStatusInfo, name) },
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{ "TTY", "s", NULL, offsetof(SessionStatusInfo, tty) },
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{ "Display", "s", NULL, offsetof(SessionStatusInfo, display) },
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{ "RemoteHost", "s", NULL, offsetof(SessionStatusInfo, remote_host) },
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{ "RemoteUser", "s", NULL, offsetof(SessionStatusInfo, remote_user) },
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{ "Service", "s", NULL, offsetof(SessionStatusInfo, service) },
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{ "Desktop", "s", NULL, offsetof(SessionStatusInfo, desktop) },
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{ "Type", "s", NULL, offsetof(SessionStatusInfo, type) },
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{ "Class", "s", NULL, offsetof(SessionStatusInfo, class) },
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{ "Scope", "s", NULL, offsetof(SessionStatusInfo, scope) },
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{ "State", "s", NULL, offsetof(SessionStatusInfo, state) },
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{ "VTNr", "u", NULL, offsetof(SessionStatusInfo, vtnr) },
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{ "Leader", "u", NULL, offsetof(SessionStatusInfo, leader) },
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{ "Remote", "b", NULL, offsetof(SessionStatusInfo, remote) },
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{ "Timestamp", "t", NULL, offsetof(SessionStatusInfo, timestamp) },
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{ "User", "(uo)", prop_map_first_of_struct, offsetof(SessionStatusInfo, uid) },
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{ "Seat", "(so)", prop_map_first_of_struct, offsetof(SessionStatusInfo, seat) },
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{}
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};
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char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
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char since2[FORMAT_TIMESTAMP_MAX], *s2;
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SessionStatusInfo i = {};
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int r;
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r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i);
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if (r < 0)
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return log_error_errno(r, "Could not get properties: %m");
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if (*new_line)
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printf("\n");
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*new_line = true;
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printf("%s - ", strna(i.id));
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if (i.name)
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printf("%s (%u)\n", i.name, (unsigned) i.uid);
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else
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printf("%u\n", (unsigned) i.uid);
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s1 = format_timestamp_relative(since1, sizeof(since1), i.timestamp);
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s2 = format_timestamp(since2, sizeof(since2), i.timestamp);
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if (s1)
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printf("\t Since: %s; %s\n", s2, s1);
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else if (s2)
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printf("\t Since: %s\n", s2);
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if (i.leader > 0) {
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_cleanup_free_ char *t = NULL;
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printf("\t Leader: %u", (unsigned) i.leader);
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get_process_comm(i.leader, &t);
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if (t)
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printf(" (%s)", t);
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printf("\n");
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}
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if (!isempty(i.seat)) {
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printf("\t Seat: %s", i.seat);
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if (i.vtnr > 0)
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printf("; vc%u", i.vtnr);
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printf("\n");
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}
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if (i.tty)
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printf("\t TTY: %s\n", i.tty);
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else if (i.display)
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printf("\t Display: %s\n", i.display);
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if (i.remote_host && i.remote_user)
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printf("\t Remote: %s@%s\n", i.remote_user, i.remote_host);
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else if (i.remote_host)
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printf("\t Remote: %s\n", i.remote_host);
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else if (i.remote_user)
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printf("\t Remote: user %s\n", i.remote_user);
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else if (i.remote)
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printf("\t Remote: Yes\n");
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if (i.service) {
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printf("\t Service: %s", i.service);
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if (i.type)
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printf("; type %s", i.type);
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if (i.class)
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printf("; class %s", i.class);
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printf("\n");
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} else if (i.type) {
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printf("\t Type: %s", i.type);
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if (i.class)
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printf("; class %s", i.class);
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printf("\n");
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} else if (i.class)
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printf("\t Class: %s\n", i.class);
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if (!isempty(i.desktop))
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printf("\t Desktop: %s\n", i.desktop);
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if (i.state)
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printf("\t State: %s\n", i.state);
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if (i.scope) {
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printf("\t Unit: %s\n", i.scope);
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show_unit_cgroup(bus, "org.freedesktop.systemd1.Scope", i.scope, i.leader);
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}
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return 0;
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}
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static int print_user_status_info(sd_bus *bus, const char *path, bool *new_line) {
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|
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static const struct bus_properties_map map[] = {
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{ "Name", "s", NULL, offsetof(UserStatusInfo, name) },
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{ "Slice", "s", NULL, offsetof(UserStatusInfo, slice) },
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{ "State", "s", NULL, offsetof(UserStatusInfo, state) },
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{ "UID", "u", NULL, offsetof(UserStatusInfo, uid) },
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{ "Timestamp", "t", NULL, offsetof(UserStatusInfo, timestamp) },
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{ "Display", "(so)", prop_map_first_of_struct, offsetof(UserStatusInfo, display) },
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{ "Sessions", "a(so)", prop_map_sessions_strv, offsetof(UserStatusInfo, sessions) },
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{}
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};
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char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
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char since2[FORMAT_TIMESTAMP_MAX], *s2;
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UserStatusInfo i = {};
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int r;
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r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i);
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if (r < 0) {
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log_error_errno(r, "Could not get properties: %m");
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goto finish;
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}
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|
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if (*new_line)
|
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printf("\n");
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|
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*new_line = true;
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|
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if (i.name)
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printf("%s (%u)\n", i.name, (unsigned) i.uid);
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else
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printf("%u\n", (unsigned) i.uid);
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s1 = format_timestamp_relative(since1, sizeof(since1), i.timestamp);
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s2 = format_timestamp(since2, sizeof(since2), i.timestamp);
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|
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if (s1)
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printf("\t Since: %s; %s\n", s2, s1);
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|
else if (s2)
|
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printf("\t Since: %s\n", s2);
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|
|
if (!isempty(i.state))
|
|
printf("\t State: %s\n", i.state);
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|
|
if (!strv_isempty(i.sessions)) {
|
|
char **l;
|
|
printf("\tSessions:");
|
|
|
|
STRV_FOREACH(l, i.sessions) {
|
|
if (streq_ptr(*l, i.display))
|
|
printf(" *%s", *l);
|
|
else
|
|
printf(" %s", *l);
|
|
}
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
if (i.slice) {
|
|
printf("\t Unit: %s\n", i.slice);
|
|
show_unit_cgroup(bus, "org.freedesktop.systemd1.Slice", i.slice, 0);
|
|
}
|
|
|
|
finish:
|
|
strv_free(i.sessions);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int print_seat_status_info(sd_bus *bus, const char *path, bool *new_line) {
|
|
|
|
static const struct bus_properties_map map[] = {
|
|
{ "Id", "s", NULL, offsetof(SeatStatusInfo, id) },
|
|
{ "ActiveSession", "(so)", prop_map_first_of_struct, offsetof(SeatStatusInfo, active_session) },
|
|
{ "Sessions", "a(so)", prop_map_sessions_strv, offsetof(SeatStatusInfo, sessions) },
|
|
{}
|
|
};
|
|
|
|
SeatStatusInfo i = {};
|
|
int r;
|
|
|
|
r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i);
|
|
if (r < 0) {
|
|
log_error_errno(r, "Could not get properties: %m");
|
|
goto finish;
|
|
}
|
|
|
|
if (*new_line)
|
|
printf("\n");
|
|
|
|
*new_line = true;
|
|
|
|
printf("%s\n", strna(i.id));
|
|
|
|
if (!strv_isempty(i.sessions)) {
|
|
char **l;
|
|
printf("\tSessions:");
|
|
|
|
STRV_FOREACH(l, i.sessions) {
|
|
if (streq_ptr(*l, i.active_session))
|
|
printf(" *%s", *l);
|
|
else
|
|
printf(" %s", *l);
|
|
}
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
if (arg_transport == BUS_TRANSPORT_LOCAL) {
|
|
unsigned c;
|
|
|
|
c = columns();
|
|
if (c > 21)
|
|
c -= 21;
|
|
else
|
|
c = 0;
|
|
|
|
printf("\t Devices:\n");
|
|
|
|
show_sysfs(i.id, "\t\t ", c);
|
|
}
|
|
|
|
finish:
|
|
strv_free(i.sessions);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int show_properties(sd_bus *bus, const char *path, bool *new_line) {
|
|
int r;
|
|
|
|
if (*new_line)
|
|
printf("\n");
|
|
|
|
*new_line = true;
|
|
|
|
r = bus_print_all_properties(bus, "org.freedesktop.login1", path, arg_property, arg_all);
|
|
if (r < 0)
|
|
log_error_errno(r, "Could not get properties: %m");
|
|
|
|
return r;
|
|
}
|
|
|
|
static int show_session(sd_bus *bus, char **args, unsigned n) {
|
|
bool properties, new_line = false;
|
|
unsigned i;
|
|
int r;
|
|
|
|
assert(bus);
|
|
assert(args);
|
|
|
|
properties = !strstr(args[0], "status");
|
|
|
|
pager_open_if_enabled();
|
|
|
|
if (properties && n <= 1) {
|
|
/* If not argument is specified inspect the manager
|
|
* itself */
|
|
return show_properties(bus, "/org/freedesktop/login1", &new_line);
|
|
}
|
|
|
|
for (i = 1; i < n; i++) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
_cleanup_bus_message_unref_ sd_bus_message * reply = NULL;
|
|
const char *path = NULL;
|
|
|
|
r = sd_bus_call_method(
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"GetSession",
|
|
&error, &reply,
|
|
"s", args[i]);
|
|
if (r < 0) {
|
|
log_error("Failed to get session: %s", bus_error_message(&error, r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_read(reply, "o", &path);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (properties)
|
|
r = show_properties(bus, path, &new_line);
|
|
else
|
|
r = print_session_status_info(bus, path, &new_line);
|
|
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int show_user(sd_bus *bus, char **args, unsigned n) {
|
|
bool properties, new_line = false;
|
|
unsigned i;
|
|
int r;
|
|
|
|
assert(bus);
|
|
assert(args);
|
|
|
|
properties = !strstr(args[0], "status");
|
|
|
|
pager_open_if_enabled();
|
|
|
|
if (properties && n <= 1) {
|
|
/* If not argument is specified inspect the manager
|
|
* itself */
|
|
return show_properties(bus, "/org/freedesktop/login1", &new_line);
|
|
}
|
|
|
|
for (i = 1; i < n; i++) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
_cleanup_bus_message_unref_ sd_bus_message * reply = NULL;
|
|
const char *path = NULL;
|
|
uid_t uid;
|
|
|
|
r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to look up user %s: %m", args[i]);
|
|
|
|
r = sd_bus_call_method(
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"GetUser",
|
|
&error, &reply,
|
|
"u", (uint32_t) uid);
|
|
if (r < 0) {
|
|
log_error("Failed to get user: %s", bus_error_message(&error, r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_read(reply, "o", &path);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (properties)
|
|
r = show_properties(bus, path, &new_line);
|
|
else
|
|
r = print_user_status_info(bus, path, &new_line);
|
|
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int show_seat(sd_bus *bus, char **args, unsigned n) {
|
|
bool properties, new_line = false;
|
|
unsigned i;
|
|
int r;
|
|
|
|
assert(bus);
|
|
assert(args);
|
|
|
|
properties = !strstr(args[0], "status");
|
|
|
|
pager_open_if_enabled();
|
|
|
|
if (properties && n <= 1) {
|
|
/* If not argument is specified inspect the manager
|
|
* itself */
|
|
return show_properties(bus, "/org/freedesktop/login1", &new_line);
|
|
}
|
|
|
|
for (i = 1; i < n; i++) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
_cleanup_bus_message_unref_ sd_bus_message * reply = NULL;
|
|
const char *path = NULL;
|
|
|
|
r = sd_bus_call_method(
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"GetSeat",
|
|
&error, &reply,
|
|
"s", args[i]);
|
|
if (r < 0) {
|
|
log_error("Failed to get seat: %s", bus_error_message(&error, r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_read(reply, "o", &path);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (properties)
|
|
r = show_properties(bus, path, &new_line);
|
|
else
|
|
r = print_seat_status_info(bus, path, &new_line);
|
|
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int activate(sd_bus *bus, char **args, unsigned n) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
unsigned i;
|
|
int r;
|
|
|
|
assert(args);
|
|
|
|
for (i = 1; i < n; i++) {
|
|
|
|
r = sd_bus_call_method (
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
streq(args[0], "lock-session") ? "LockSession" :
|
|
streq(args[0], "unlock-session") ? "UnlockSession" :
|
|
streq(args[0], "terminate-session") ? "TerminateSession" :
|
|
"ActivateSession",
|
|
&error, NULL,
|
|
"s", args[i]);
|
|
if (r < 0) {
|
|
log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int kill_session(sd_bus *bus, char **args, unsigned n) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
unsigned i;
|
|
int r;
|
|
|
|
assert(args);
|
|
|
|
if (!arg_kill_who)
|
|
arg_kill_who = "all";
|
|
|
|
for (i = 1; i < n; i++) {
|
|
|
|
r = sd_bus_call_method (
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"KillSession",
|
|
&error, NULL,
|
|
"ssi", args[i], arg_kill_who, arg_signal);
|
|
if (r < 0) {
|
|
log_error("Could not kill session: %s", bus_error_message(&error, -r));
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int enable_linger(sd_bus *bus, char **args, unsigned n) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
unsigned i;
|
|
bool b;
|
|
int r;
|
|
|
|
assert(args);
|
|
|
|
polkit_agent_open_if_enabled();
|
|
|
|
b = streq(args[0], "enable-linger");
|
|
|
|
for (i = 1; i < n; i++) {
|
|
uid_t uid;
|
|
|
|
r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to look up user %s: %m", args[i]);
|
|
|
|
r = sd_bus_call_method (
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"SetUserLinger",
|
|
&error, NULL,
|
|
"ubb", (uint32_t) uid, b, true);
|
|
if (r < 0) {
|
|
log_error("Could not enable linger: %s", bus_error_message(&error, -r));
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int terminate_user(sd_bus *bus, char **args, unsigned n) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
unsigned i;
|
|
int r;
|
|
|
|
assert(args);
|
|
|
|
for (i = 1; i < n; i++) {
|
|
uid_t uid;
|
|
|
|
r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to look up user %s: %m", args[i]);
|
|
|
|
r = sd_bus_call_method (
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"TerminateUser",
|
|
&error, NULL,
|
|
"u", (uint32_t) uid);
|
|
if (r < 0) {
|
|
log_error("Could not terminate user: %s", bus_error_message(&error, -r));
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int kill_user(sd_bus *bus, char **args, unsigned n) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
unsigned i;
|
|
int r;
|
|
|
|
assert(args);
|
|
|
|
if (!arg_kill_who)
|
|
arg_kill_who = "all";
|
|
|
|
for (i = 1; i < n; i++) {
|
|
uid_t uid;
|
|
|
|
r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to look up user %s: %m", args[i]);
|
|
|
|
r = sd_bus_call_method (
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"KillUser",
|
|
&error, NULL,
|
|
"ui", (uint32_t) uid, arg_signal);
|
|
if (r < 0) {
|
|
log_error("Could not kill user: %s", bus_error_message(&error, -r));
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int attach(sd_bus *bus, char **args, unsigned n) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
unsigned i;
|
|
int r;
|
|
|
|
assert(args);
|
|
|
|
polkit_agent_open_if_enabled();
|
|
|
|
for (i = 2; i < n; i++) {
|
|
|
|
r = sd_bus_call_method (
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"AttachDevice",
|
|
&error, NULL,
|
|
"ssb", args[1], args[i], true);
|
|
|
|
if (r < 0) {
|
|
log_error("Could not attach device: %s", bus_error_message(&error, -r));
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int flush_devices(sd_bus *bus, char **args, unsigned n) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
int r;
|
|
|
|
assert(args);
|
|
|
|
polkit_agent_open_if_enabled();
|
|
|
|
r = sd_bus_call_method (
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"FlushDevices",
|
|
&error, NULL,
|
|
"b", true);
|
|
if (r < 0)
|
|
log_error("Could not flush devices: %s", bus_error_message(&error, -r));
|
|
|
|
return r;
|
|
}
|
|
|
|
static int lock_sessions(sd_bus *bus, char **args, unsigned n) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
int r;
|
|
|
|
assert(args);
|
|
|
|
r = sd_bus_call_method (
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
streq(args[0], "lock-sessions") ? "LockSessions" : "UnlockSessions",
|
|
&error, NULL,
|
|
NULL);
|
|
if (r < 0)
|
|
log_error("Could not lock sessions: %s", bus_error_message(&error, -r));
|
|
|
|
return r;
|
|
}
|
|
|
|
static int terminate_seat(sd_bus *bus, char **args, unsigned n) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
unsigned i;
|
|
int r;
|
|
|
|
assert(args);
|
|
|
|
for (i = 1; i < n; i++) {
|
|
|
|
r = sd_bus_call_method (
|
|
bus,
|
|
"org.freedesktop.login1",
|
|
"/org/freedesktop/login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"TerminateSeat",
|
|
&error, NULL,
|
|
"s", args[i]);
|
|
if (r < 0) {
|
|
log_error("Could not terminate seat: %s", bus_error_message(&error, -r));
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void help(void) {
|
|
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
|
|
"Send control commands to or query the login manager.\n\n"
|
|
" -h --help Show this help\n"
|
|
" --version Show package version\n"
|
|
" --no-pager Do not pipe output into a pager\n"
|
|
" --no-legend Do not show the headers and footers\n"
|
|
" --no-ask-password Don't prompt for password\n"
|
|
" -H --host=[USER@]HOST Operate on remote host\n"
|
|
" -M --machine=CONTAINER Operate on local container\n"
|
|
" -p --property=NAME Show only properties by this name\n"
|
|
" -a --all Show all properties, including empty ones\n"
|
|
" -l --full Do not ellipsize output\n"
|
|
" --kill-who=WHO Who to send signal to\n"
|
|
" -s --signal=SIGNAL Which signal to send\n\n"
|
|
"Commands:\n"
|
|
" list-sessions List sessions\n"
|
|
" session-status ID... Show session status\n"
|
|
" show-session [ID...] Show properties of sessions or the manager\n"
|
|
" activate ID Activate a session\n"
|
|
" lock-session ID... Screen lock one or more sessions\n"
|
|
" unlock-session ID... Screen unlock one or more sessions\n"
|
|
" lock-sessions Screen lock all current sessions\n"
|
|
" unlock-sessions Screen unlock all current sessions\n"
|
|
" terminate-session ID... Terminate one or more sessions\n"
|
|
" kill-session ID... Send signal to processes of a session\n"
|
|
" list-users List users\n"
|
|
" user-status USER... Show user status\n"
|
|
" show-user [USER...] Show properties of users or the manager\n"
|
|
" enable-linger USER... Enable linger state of one or more users\n"
|
|
" disable-linger USER... Disable linger state of one or more users\n"
|
|
" terminate-user USER... Terminate all sessions of one or more users\n"
|
|
" kill-user USER... Send signal to processes of a user\n"
|
|
" list-seats List seats\n"
|
|
" seat-status NAME... Show seat status\n"
|
|
" show-seat NAME... Show properties of one or more seats\n"
|
|
" attach NAME DEVICE... Attach one or more devices to a seat\n"
|
|
" flush-devices Flush all device associations\n"
|
|
" terminate-seat NAME... Terminate all sessions on one or more seats\n"
|
|
, program_invocation_short_name);
|
|
}
|
|
|
|
static int parse_argv(int argc, char *argv[]) {
|
|
|
|
enum {
|
|
ARG_VERSION = 0x100,
|
|
ARG_NO_PAGER,
|
|
ARG_NO_LEGEND,
|
|
ARG_KILL_WHO,
|
|
ARG_NO_ASK_PASSWORD,
|
|
};
|
|
|
|
static const struct option options[] = {
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{ "version", no_argument, NULL, ARG_VERSION },
|
|
{ "property", required_argument, NULL, 'p' },
|
|
{ "all", no_argument, NULL, 'a' },
|
|
{ "full", no_argument, NULL, 'l' },
|
|
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
|
|
{ "no-legend", no_argument, NULL, ARG_NO_LEGEND },
|
|
{ "kill-who", required_argument, NULL, ARG_KILL_WHO },
|
|
{ "signal", required_argument, NULL, 's' },
|
|
{ "host", required_argument, NULL, 'H' },
|
|
{ "machine", required_argument, NULL, 'M' },
|
|
{ "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
|
|
{}
|
|
};
|
|
|
|
int c, r;
|
|
|
|
assert(argc >= 0);
|
|
assert(argv);
|
|
|
|
while ((c = getopt_long(argc, argv, "hp:als:H:M:", options, NULL)) >= 0)
|
|
|
|
switch (c) {
|
|
|
|
case 'h':
|
|
help();
|
|
return 0;
|
|
|
|
case ARG_VERSION:
|
|
puts(PACKAGE_STRING);
|
|
puts(SYSTEMD_FEATURES);
|
|
return 0;
|
|
|
|
case 'p': {
|
|
r = strv_extend(&arg_property, optarg);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
/* If the user asked for a particular
|
|
* property, show it to him, even if it is
|
|
* empty. */
|
|
arg_all = true;
|
|
break;
|
|
}
|
|
|
|
case 'a':
|
|
arg_all = true;
|
|
break;
|
|
|
|
case 'l':
|
|
arg_full = true;
|
|
break;
|
|
|
|
case ARG_NO_PAGER:
|
|
arg_no_pager = true;
|
|
break;
|
|
|
|
case ARG_NO_LEGEND:
|
|
arg_legend = false;
|
|
break;
|
|
|
|
case ARG_NO_ASK_PASSWORD:
|
|
arg_ask_password = false;
|
|
break;
|
|
|
|
case ARG_KILL_WHO:
|
|
arg_kill_who = optarg;
|
|
break;
|
|
|
|
case 's':
|
|
arg_signal = signal_from_string_try_harder(optarg);
|
|
if (arg_signal < 0) {
|
|
log_error("Failed to parse signal string %s.", optarg);
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
|
|
case 'H':
|
|
arg_transport = BUS_TRANSPORT_REMOTE;
|
|
arg_host = optarg;
|
|
break;
|
|
|
|
case 'M':
|
|
arg_transport = BUS_TRANSPORT_MACHINE;
|
|
arg_host = optarg;
|
|
break;
|
|
|
|
case '?':
|
|
return -EINVAL;
|
|
|
|
default:
|
|
assert_not_reached("Unhandled option");
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int loginctl_main(sd_bus *bus, int argc, char *argv[]) {
|
|
|
|
static const struct {
|
|
const char* verb;
|
|
const enum {
|
|
MORE,
|
|
LESS,
|
|
EQUAL
|
|
} argc_cmp;
|
|
const int argc;
|
|
int (* const dispatch)(sd_bus *bus, char **args, unsigned n);
|
|
} verbs[] = {
|
|
{ "list-sessions", LESS, 1, list_sessions },
|
|
{ "session-status", MORE, 2, show_session },
|
|
{ "show-session", MORE, 1, show_session },
|
|
{ "activate", EQUAL, 2, activate },
|
|
{ "lock-session", MORE, 2, activate },
|
|
{ "unlock-session", MORE, 2, activate },
|
|
{ "lock-sessions", EQUAL, 1, lock_sessions },
|
|
{ "unlock-sessions", EQUAL, 1, lock_sessions },
|
|
{ "terminate-session", MORE, 2, activate },
|
|
{ "kill-session", MORE, 2, kill_session },
|
|
{ "list-users", EQUAL, 1, list_users },
|
|
{ "user-status", MORE, 2, show_user },
|
|
{ "show-user", MORE, 1, show_user },
|
|
{ "enable-linger", MORE, 2, enable_linger },
|
|
{ "disable-linger", MORE, 2, enable_linger },
|
|
{ "terminate-user", MORE, 2, terminate_user },
|
|
{ "kill-user", MORE, 2, kill_user },
|
|
{ "list-seats", EQUAL, 1, list_seats },
|
|
{ "seat-status", MORE, 2, show_seat },
|
|
{ "show-seat", MORE, 1, show_seat },
|
|
{ "attach", MORE, 3, attach },
|
|
{ "flush-devices", EQUAL, 1, flush_devices },
|
|
{ "terminate-seat", MORE, 2, terminate_seat },
|
|
};
|
|
|
|
int left;
|
|
unsigned i;
|
|
|
|
assert(argc >= 0);
|
|
assert(argv);
|
|
|
|
left = argc - optind;
|
|
|
|
if (left <= 0)
|
|
/* Special rule: no arguments means "list-sessions" */
|
|
i = 0;
|
|
else {
|
|
if (streq(argv[optind], "help")) {
|
|
help();
|
|
return 0;
|
|
}
|
|
|
|
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]);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
switch (verbs[i].argc_cmp) {
|
|
|
|
case EQUAL:
|
|
if (left != verbs[i].argc) {
|
|
log_error("Invalid number of arguments.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case MORE:
|
|
if (left < verbs[i].argc) {
|
|
log_error("Too few arguments.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case LESS:
|
|
if (left > verbs[i].argc) {
|
|
log_error("Too many arguments.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
assert_not_reached("Unknown comparison operator.");
|
|
}
|
|
|
|
return verbs[i].dispatch(bus, argv + optind, left);
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
_cleanup_bus_close_unref_ sd_bus *bus = NULL;
|
|
int r;
|
|
|
|
setlocale(LC_ALL, "");
|
|
log_parse_environment();
|
|
log_open();
|
|
|
|
r = parse_argv(argc, argv);
|
|
if (r <= 0)
|
|
goto finish;
|
|
|
|
r = bus_open_transport(arg_transport, arg_host, false, &bus);
|
|
if (r < 0) {
|
|
log_error_errno(r, "Failed to create bus connection: %m");
|
|
goto finish;
|
|
}
|
|
|
|
r = loginctl_main(bus, argc, argv);
|
|
|
|
finish:
|
|
pager_close();
|
|
|
|
strv_free(arg_property);
|
|
|
|
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
}
|