2013-07-02 03:47:23 +02:00
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/*-*- 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 2013 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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2013-11-07 00:53:19 +01:00
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#include <sys/socket.h>
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2013-07-02 03:47:23 +02:00
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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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2013-10-31 01:25:44 +01:00
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#include <fcntl.h>
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2013-07-02 03:47:23 +02:00
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2013-08-12 14:19:22 +02:00
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#include "sd-bus.h"
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2013-07-02 03:47:23 +02:00
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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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2013-08-12 14:19:22 +02:00
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#include "bus-util.h"
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#include "bus-error.h"
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2013-07-02 03:47:23 +02:00
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#include "build.h"
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#include "strv.h"
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2013-07-11 00:27:54 +02:00
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#include "unit-name.h"
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2013-07-02 03:47:23 +02:00
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#include "cgroup-show.h"
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2013-07-11 19:14:38 +02:00
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#include "cgroup-util.h"
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2013-10-31 01:25:44 +01:00
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#include "ptyfwd.h"
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2013-07-02 03:47:23 +02:00
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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 const char *arg_kill_who = NULL;
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static int arg_signal = SIGTERM;
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static bool arg_ask_password = true;
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2013-10-30 16:44:55 +01:00
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static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
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2013-07-02 03:47:23 +02:00
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static char *arg_host = NULL;
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static void pager_open_if_enabled(void) {
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/* Cache result before we open the pager */
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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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2013-08-12 14:19:22 +02:00
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static int list_machines(sd_bus *bus, char **args, unsigned n) {
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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const char *name, *class, *service, *object;
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2013-07-02 03:47:23 +02:00
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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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2013-08-12 14:19:22 +02:00
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r = sd_bus_call_method(
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bus,
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"org.freedesktop.machine1",
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"/org/freedesktop/machine1",
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"org.freedesktop.machine1.Manager",
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"ListMachines",
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&error,
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&reply,
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"");
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if (r < 0) {
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log_error("Could not get machines: %s", bus_error_message(&error, -r));
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2013-07-02 03:47:23 +02:00
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return r;
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}
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2013-11-07 21:28:15 +01:00
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printf("%-32s %-9s %-16s\n", "MACHINE", "CONTAINER", "SERVICE");
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2013-07-02 03:47:23 +02:00
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2013-08-12 14:19:22 +02:00
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r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssso)");
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if (r < 0)
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2013-11-07 21:26:31 +01:00
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return bus_log_parse_error(r);
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2013-07-02 03:47:23 +02:00
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2013-08-12 14:19:22 +02:00
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while ((r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, &object)) > 0) {
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2013-07-02 03:47:23 +02:00
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printf("%-32s %-9s %-16s\n", name, class, service);
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k++;
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}
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2013-08-12 14:19:22 +02:00
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if (r < 0)
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2013-11-07 21:26:31 +01:00
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return bus_log_parse_error(r);
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2013-08-12 14:19:22 +02:00
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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2013-11-07 21:26:31 +01:00
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return bus_log_parse_error(r);
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2013-07-02 03:47:23 +02:00
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2013-11-07 21:28:15 +01:00
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printf("\n%u machines listed.\n", k);
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2013-07-02 03:47:23 +02:00
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return 0;
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}
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2013-08-12 14:19:22 +02:00
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static int show_scope_cgroup(sd_bus *bus, const char *unit, pid_t leader) {
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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2013-07-11 00:27:54 +02:00
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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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2013-10-30 16:44:55 +01:00
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if (arg_transport == BUS_TRANSPORT_REMOTE)
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2013-07-11 00:27:54 +02:00
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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 log_oom();
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2013-10-30 15:34:50 +01:00
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r = sd_bus_get_property(
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2013-07-11 00:27:54 +02:00
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bus,
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"org.freedesktop.systemd1",
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path,
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2013-10-30 15:34:50 +01:00
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"org.freedesktop.systemd1.Scope",
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"ControlGroup",
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2013-07-11 00:27:54 +02:00
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&error,
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2013-08-12 14:19:22 +02:00
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&reply,
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2013-10-30 15:34:50 +01:00
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"s");
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2013-07-11 00:27:54 +02:00
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if (r < 0) {
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2013-08-12 14:19:22 +02:00
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log_error("Failed to query ControlGroup: %s", bus_error_message(&error, -r));
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2013-07-11 00:27:54 +02:00
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return r;
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}
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2013-10-30 15:34:50 +01:00
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r = sd_bus_message_read(reply, "s", &cgroup);
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2013-11-07 21:26:31 +01:00
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if (r < 0)
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return bus_log_parse_error(r);
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2013-07-11 00:27:54 +02:00
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2013-07-11 19:14:38 +02:00
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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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2013-07-11 00:27:54 +02:00
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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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2013-07-11 19:14:38 +02:00
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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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2013-07-11 00:27:54 +02:00
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return 0;
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}
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2013-07-02 03:47:23 +02:00
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typedef struct MachineStatusInfo {
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2013-11-05 02:57:49 +01:00
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char *name;
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2013-07-02 03:47:23 +02:00
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sd_id128_t id;
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2013-11-05 02:57:49 +01:00
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char *class;
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char *service;
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char *scope;
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char *root_directory;
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2013-07-02 03:47:23 +02:00
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pid_t leader;
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usec_t timestamp;
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} MachineStatusInfo;
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2013-08-12 14:19:22 +02:00
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static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) {
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2013-07-02 03:47:23 +02:00
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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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assert(i);
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fputs(strna(i->name), stdout);
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if (!sd_id128_equal(i->id, SD_ID128_NULL))
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printf("(" SD_ID128_FORMAT_STR ")\n", SD_ID128_FORMAT_VAL(i->id));
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else
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putchar('\n');
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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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putchar('\n');
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}
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if (i->service) {
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printf("\t Service: %s", i->service);
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if (i->class)
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printf("; class %s", i->class);
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putchar('\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 (i->root_directory)
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printf("\t Root: %s\n", i->root_directory);
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2013-07-11 00:27:54 +02:00
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if (i->scope) {
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printf("\t Unit: %s\n", i->scope);
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2013-07-11 19:14:38 +02:00
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show_scope_cgroup(bus, i->scope, i->leader);
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2013-07-02 03:47:23 +02:00
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}
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}
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2013-11-05 02:57:49 +01:00
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static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) {
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MachineStatusInfo info = {};
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static const struct bus_properties_map map[] = {
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{ "Name", "s", NULL, offsetof(MachineStatusInfo, name) },
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{ "Class", "s", NULL, offsetof(MachineStatusInfo, class) },
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{ "Service", "s", NULL, offsetof(MachineStatusInfo, service) },
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{ "Scope", "s", NULL, offsetof(MachineStatusInfo, scope) },
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{ "RootDirectory", "s", NULL, offsetof(MachineStatusInfo, root_directory) },
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{ "Leader", "u", NULL, offsetof(MachineStatusInfo, leader) },
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{ "Timestamp", "t", NULL, offsetof(MachineStatusInfo, timestamp) },
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{ "Id", "ay", bus_map_id128, offsetof(MachineStatusInfo, id) },
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{}
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};
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2013-08-12 14:19:22 +02:00
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int r;
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2013-07-02 03:47:23 +02:00
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assert(path);
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assert(new_line);
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2013-11-05 02:57:49 +01:00
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r = bus_map_all_properties(bus,
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"org.freedesktop.machine1",
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path,
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map,
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&info);
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2013-08-12 14:19:22 +02:00
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if (r < 0) {
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2013-11-05 02:57:49 +01:00
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log_error("Could not get properties: %s", strerror(-r));
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2013-08-12 14:19:22 +02:00
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return r;
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2013-07-02 03:47:23 +02:00
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}
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if (*new_line)
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printf("\n");
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*new_line = true;
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2013-11-05 02:57:49 +01:00
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print_machine_status_info(bus, &info);
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2013-07-02 03:47:23 +02:00
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2013-11-05 02:57:49 +01:00
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free(info.name);
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free(info.class);
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free(info.service);
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free(info.scope);
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free(info.root_directory);
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2013-07-02 03:47:23 +02:00
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2013-11-05 02:57:49 +01:00
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return r;
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}
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2013-07-02 03:47:23 +02:00
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2013-11-05 02:57:49 +01:00
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static int show_properties(sd_bus *bus, const char *path, bool *new_line) {
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int r;
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2013-07-02 03:47:23 +02:00
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2013-11-05 02:57:49 +01:00
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if (*new_line)
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printf("\n");
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2013-07-02 03:47:23 +02:00
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2013-11-05 02:57:49 +01:00
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*new_line = true;
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2013-08-12 14:19:22 +02:00
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2013-11-07 08:58:22 +01:00
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r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_all);
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2013-08-12 14:19:22 +02:00
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if (r < 0)
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2013-11-05 02:57:49 +01:00
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log_error("Could not get properties: %s", strerror(-r));
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2013-07-02 03:47:23 +02:00
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2013-10-30 15:34:50 +01:00
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return r;
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2013-07-02 03:47:23 +02:00
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}
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2013-08-12 14:19:22 +02:00
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static int show(sd_bus *bus, char **args, unsigned n) {
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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2013-11-05 02:57:49 +01:00
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int r = 0;
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2013-07-02 03:47:23 +02:00
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unsigned i;
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2013-11-05 02:57:49 +01:00
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bool properties, new_line = false;
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2013-07-02 03:47:23 +02:00
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assert(bus);
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assert(args);
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2013-11-05 02:57:49 +01:00
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properties = !strstr(args[0], "status");
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2013-07-02 03:47:23 +02:00
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pager_open_if_enabled();
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2013-11-05 02:57:49 +01:00
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if (properties && n <= 1) {
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2013-08-12 14:19:22 +02:00
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2013-11-05 02:57:49 +01:00
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/* If no argument is specified, inspect the manager
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2013-07-02 03:47:23 +02:00
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* itself */
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2013-11-05 02:57:49 +01:00
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r = show_properties(bus, "/org/freedesktop/machine1", &new_line);
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if (r < 0) {
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log_error("Failed to query properties: %s", strerror(-r));
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return r;
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}
|
2013-07-02 03:47:23 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 1; i < n; i++) {
|
|
|
|
const char *path = NULL;
|
|
|
|
|
2013-08-12 14:19:22 +02:00
|
|
|
r = sd_bus_call_method(
|
|
|
|
bus,
|
|
|
|
"org.freedesktop.machine1",
|
|
|
|
"/org/freedesktop/machine1",
|
|
|
|
"org.freedesktop.machine1.Manager",
|
|
|
|
"GetMachine",
|
|
|
|
&error,
|
|
|
|
&reply,
|
|
|
|
"s", args[i]);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Could not get path to machine: %s", bus_error_message(&error, -r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = sd_bus_message_read(reply, "o", &path);
|
2013-11-07 21:26:31 +01:00
|
|
|
if (r < 0)
|
|
|
|
return bus_log_parse_error(r);
|
2013-07-02 03:47:23 +02:00
|
|
|
|
2013-11-05 02:57:49 +01:00
|
|
|
if (properties)
|
|
|
|
r = show_properties(bus, path, &new_line);
|
|
|
|
else
|
|
|
|
r = show_info(args[0], bus, path, &new_line);
|
2013-07-02 03:47:23 +02:00
|
|
|
}
|
|
|
|
|
2013-11-05 02:57:49 +01:00
|
|
|
return r;
|
2013-07-02 03:47:23 +02:00
|
|
|
}
|
|
|
|
|
2013-08-12 14:19:22 +02:00
|
|
|
static int kill_machine(sd_bus *bus, char **args, unsigned n) {
|
|
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
2013-07-02 03:47:23 +02:00
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
assert(args);
|
|
|
|
|
|
|
|
if (!arg_kill_who)
|
|
|
|
arg_kill_who = "all";
|
|
|
|
|
|
|
|
for (i = 1; i < n; i++) {
|
|
|
|
int r;
|
|
|
|
|
2013-08-12 14:19:22 +02:00
|
|
|
r = sd_bus_call_method(
|
|
|
|
bus,
|
|
|
|
"org.freedesktop.machine1",
|
|
|
|
"/org/freedesktop/machine1",
|
|
|
|
"org.freedesktop.machine1.Manager",
|
|
|
|
"KillMachine",
|
|
|
|
&error,
|
|
|
|
NULL,
|
|
|
|
"ssi", args[i], arg_kill_who, arg_signal);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Could not kill machine: %s", bus_error_message(&error, -r));
|
2013-07-02 03:47:23 +02:00
|
|
|
return r;
|
2013-08-12 14:19:22 +02:00
|
|
|
}
|
2013-07-02 03:47:23 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-08-12 14:19:22 +02:00
|
|
|
static int terminate_machine(sd_bus *bus, char **args, unsigned n) {
|
|
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
2013-07-02 03:47:23 +02:00
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
assert(args);
|
|
|
|
|
|
|
|
for (i = 1; i < n; i++) {
|
|
|
|
int r;
|
|
|
|
|
2013-08-12 14:19:22 +02:00
|
|
|
r = sd_bus_call_method(
|
|
|
|
bus,
|
|
|
|
"org.freedesktop.machine1",
|
|
|
|
"/org/freedesktop/machine1",
|
|
|
|
"org.freedesktop.machine1.Manager",
|
|
|
|
"TerminateMachine",
|
|
|
|
&error,
|
|
|
|
NULL,
|
|
|
|
"s", args[i]);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Could not terminate machine: %s", bus_error_message(&error, -r));
|
2013-07-02 03:47:23 +02:00
|
|
|
return r;
|
2013-08-12 14:19:22 +02:00
|
|
|
}
|
2013-07-02 03:47:23 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-10-31 01:25:44 +01:00
|
|
|
static int openpt_in_namespace(pid_t pid, int flags) {
|
|
|
|
_cleanup_close_ int nsfd = -1, rootfd = -1;
|
|
|
|
_cleanup_free_ char *ns = NULL, *root = NULL;
|
|
|
|
_cleanup_close_pipe_ int sock[2] = { -1, -1 };
|
|
|
|
union {
|
|
|
|
struct cmsghdr cmsghdr;
|
|
|
|
uint8_t buf[CMSG_SPACE(sizeof(int))];
|
2013-10-31 04:32:27 +01:00
|
|
|
} control = {};
|
|
|
|
struct msghdr mh = {
|
|
|
|
.msg_control = &control,
|
|
|
|
.msg_controllen = sizeof(control),
|
|
|
|
};
|
2013-10-31 01:25:44 +01:00
|
|
|
struct cmsghdr *cmsg;
|
2013-11-01 20:54:29 +01:00
|
|
|
int master = -1, r;
|
2013-10-31 01:25:44 +01:00
|
|
|
pid_t child;
|
|
|
|
siginfo_t si;
|
|
|
|
|
|
|
|
r = asprintf(&ns, "/proc/%lu/ns/mnt", (unsigned long) pid);
|
|
|
|
if (r < 0)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
nsfd = open(ns, O_RDONLY|O_NOCTTY|O_CLOEXEC);
|
|
|
|
if (nsfd < 0)
|
|
|
|
return -errno;
|
|
|
|
|
|
|
|
r = asprintf(&root, "/proc/%lu/root", (unsigned long) pid);
|
|
|
|
if (r < 0)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
rootfd = open(root, O_RDONLY|O_NOCTTY|O_CLOEXEC|O_DIRECTORY);
|
|
|
|
if (rootfd < 0)
|
|
|
|
return -errno;
|
|
|
|
|
|
|
|
if (socketpair(AF_UNIX, SOCK_DGRAM, 0, sock) < 0)
|
|
|
|
return -errno;
|
|
|
|
|
|
|
|
child = fork();
|
|
|
|
if (child < 0)
|
|
|
|
return -errno;
|
|
|
|
|
|
|
|
if (child == 0) {
|
|
|
|
close_nointr_nofail(sock[0]);
|
|
|
|
sock[0] = -1;
|
|
|
|
|
|
|
|
r = setns(nsfd, CLONE_NEWNS);
|
|
|
|
if (r < 0)
|
|
|
|
_exit(EXIT_FAILURE);
|
|
|
|
|
|
|
|
if (fchdir(rootfd) < 0)
|
|
|
|
_exit(EXIT_FAILURE);
|
|
|
|
|
|
|
|
if (chroot(".") < 0)
|
|
|
|
_exit(EXIT_FAILURE);
|
|
|
|
|
|
|
|
master = posix_openpt(flags);
|
|
|
|
if (master < 0)
|
|
|
|
_exit(EXIT_FAILURE);
|
|
|
|
|
|
|
|
cmsg = CMSG_FIRSTHDR(&mh);
|
|
|
|
cmsg->cmsg_level = SOL_SOCKET;
|
|
|
|
cmsg->cmsg_type = SCM_RIGHTS;
|
|
|
|
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
|
|
|
|
memcpy(CMSG_DATA(cmsg), &master, sizeof(int));
|
|
|
|
|
|
|
|
mh.msg_controllen = cmsg->cmsg_len;
|
|
|
|
|
|
|
|
r = sendmsg(sock[1], &mh, MSG_NOSIGNAL);
|
|
|
|
close_nointr_nofail(master);
|
|
|
|
if (r < 0)
|
|
|
|
_exit(EXIT_FAILURE);
|
|
|
|
|
|
|
|
_exit(EXIT_SUCCESS);
|
|
|
|
}
|
|
|
|
|
|
|
|
close_nointr_nofail(sock[1]);
|
|
|
|
sock[1] = -1;
|
|
|
|
|
|
|
|
if (recvmsg(sock[0], &mh, MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) < 0)
|
|
|
|
return -errno;
|
|
|
|
|
|
|
|
for (cmsg = CMSG_FIRSTHDR(&mh); cmsg; cmsg = CMSG_NXTHDR(&mh, cmsg))
|
|
|
|
if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
|
|
|
|
int *fds;
|
|
|
|
unsigned n_fds;
|
|
|
|
|
|
|
|
fds = (int*) CMSG_DATA(cmsg);
|
|
|
|
n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int);
|
|
|
|
|
|
|
|
if (n_fds != 1) {
|
|
|
|
close_many(fds, n_fds);
|
|
|
|
return -EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
master = fds[0];
|
|
|
|
}
|
|
|
|
|
|
|
|
r = wait_for_terminate(child, &si);
|
|
|
|
if (r < 0 || si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS || master < 0) {
|
|
|
|
|
|
|
|
if (master >= 0)
|
|
|
|
close_nointr_nofail(master);
|
|
|
|
|
|
|
|
return r < 0 ? r : -EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
return master;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int login_machine(sd_bus *bus, char **args, unsigned n) {
|
|
|
|
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *reply2 = NULL, *reply3 = NULL;
|
|
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
|
|
_cleanup_bus_unref_ sd_bus *container_bus = NULL;
|
|
|
|
_cleanup_close_ int master = -1;
|
|
|
|
_cleanup_free_ char *getty = NULL;
|
|
|
|
const char *path, *pty, *p;
|
|
|
|
uint32_t leader;
|
|
|
|
sigset_t mask;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(bus);
|
|
|
|
assert(args);
|
|
|
|
|
|
|
|
if (arg_transport != BUS_TRANSPORT_LOCAL) {
|
|
|
|
log_error("Login only support on local machines.");
|
|
|
|
return -ENOTSUP;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = sd_bus_call_method(
|
|
|
|
bus,
|
|
|
|
"org.freedesktop.machine1",
|
|
|
|
"/org/freedesktop/machine1",
|
|
|
|
"org.freedesktop.machine1.Manager",
|
|
|
|
"GetMachine",
|
|
|
|
&error,
|
|
|
|
&reply,
|
|
|
|
"s", args[1]);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Could not get path to machine: %s", bus_error_message(&error, -r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = sd_bus_message_read(reply, "o", &path);
|
2013-11-07 21:26:31 +01:00
|
|
|
if (r < 0)
|
|
|
|
return bus_log_parse_error(r);
|
2013-10-31 01:25:44 +01:00
|
|
|
|
|
|
|
r = sd_bus_get_property(
|
|
|
|
bus,
|
|
|
|
"org.freedesktop.machine1",
|
|
|
|
path,
|
|
|
|
"org.freedesktop.machine1.Machine",
|
|
|
|
"Leader",
|
|
|
|
&error,
|
|
|
|
&reply2,
|
|
|
|
"u");
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to retrieve PID of leader: %s", strerror(-r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = sd_bus_message_read(reply2, "u", &leader);
|
2013-11-07 21:26:31 +01:00
|
|
|
if (r < 0)
|
|
|
|
return bus_log_parse_error(r);
|
2013-10-31 01:25:44 +01:00
|
|
|
|
|
|
|
master = openpt_in_namespace(leader, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NDELAY);
|
|
|
|
if (master < 0) {
|
|
|
|
log_error("Failed to acquire pseudo tty: %s", strerror(-master));
|
|
|
|
return master;
|
|
|
|
}
|
|
|
|
|
|
|
|
pty = ptsname(master);
|
|
|
|
if (!pty) {
|
|
|
|
log_error("Failed to get pty name: %m");
|
|
|
|
return -errno;
|
|
|
|
}
|
|
|
|
|
|
|
|
p = startswith(pty, "/dev/pts/");
|
|
|
|
if (!p) {
|
|
|
|
log_error("Invalid pty name %s.", pty);
|
|
|
|
return -EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = sd_bus_open_system_container(args[1], &container_bus);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to get container bus: %s", strerror(-r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
getty = strjoin("container-getty@", p, ".service", NULL);
|
|
|
|
if (!getty)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
if (unlockpt(master) < 0) {
|
|
|
|
log_error("Failed to unlock tty: %m");
|
|
|
|
return -errno;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = sd_bus_call_method(container_bus,
|
|
|
|
"org.freedesktop.systemd1",
|
|
|
|
"/org/freedesktop/systemd1",
|
|
|
|
"org.freedesktop.systemd1.Manager",
|
|
|
|
"StartUnit",
|
|
|
|
&error, &reply3,
|
|
|
|
"ss", getty, "replace");
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to start getty service: %s", bus_error_message(&error, r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
assert_se(sigemptyset(&mask) == 0);
|
|
|
|
sigset_add_many(&mask, SIGWINCH, SIGTERM, SIGINT, -1);
|
|
|
|
assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0);
|
|
|
|
|
|
|
|
log_info("Connected to container %s. Press ^] three times within 1s to exit session.", args[1]);
|
|
|
|
|
|
|
|
r = process_pty(master, &mask, 0, 0);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to process pseudo tty: %s", strerror(-r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
fputc('\n', stdout);
|
|
|
|
|
|
|
|
log_info("Connection to container %s terminated.", args[1]);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-07-02 03:47:23 +02:00
|
|
|
static int help(void) {
|
|
|
|
|
|
|
|
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
|
|
|
|
"Send control commands to or query the virtual machine and container registration manager.\n\n"
|
|
|
|
" -h --help Show this help\n"
|
|
|
|
" --version Show package version\n"
|
2013-10-30 15:34:50 +01:00
|
|
|
" --no-pager Do not pipe output into a pager\n"
|
|
|
|
" --no-ask-password Don't prompt for password\n"
|
2013-10-30 15:42:06 +01:00
|
|
|
" -H --host=[USER@]HOST Operate on remote host\n"
|
|
|
|
" -M --machine=CONTAINER Operate on local container\n"
|
2013-07-02 03:47:23 +02:00
|
|
|
" -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"
|
2013-10-30 15:34:50 +01:00
|
|
|
" --kill-who=WHO Who to send signal to\n"
|
|
|
|
" -s --signal=SIGNAL Which signal to send\n\n"
|
2013-07-02 03:47:23 +02:00
|
|
|
"Commands:\n"
|
|
|
|
" list List running VMs and containers\n"
|
|
|
|
" status [NAME...] Show VM/container status\n"
|
2013-07-07 04:22:05 +02:00
|
|
|
" show [NAME...] Show properties of one or more VMs/containers\n"
|
2013-07-02 03:47:23 +02:00
|
|
|
" terminate [NAME...] Terminate one or more VMs/containers\n"
|
2013-10-31 01:25:44 +01:00
|
|
|
" kill [NAME...] Send signal to processes of a VM/container\n"
|
|
|
|
" login [NAME] Get a login prompt on a container\n",
|
2013-07-02 03:47:23 +02:00
|
|
|
program_invocation_short_name);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int parse_argv(int argc, char *argv[]) {
|
|
|
|
|
|
|
|
enum {
|
|
|
|
ARG_VERSION = 0x100,
|
|
|
|
ARG_NO_PAGER,
|
|
|
|
ARG_KILL_WHO,
|
|
|
|
ARG_NO_ASK_PASSWORD,
|
|
|
|
};
|
|
|
|
|
|
|
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static const struct option options[] = {
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{ "help", no_argument, NULL, 'h' },
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{ "version", no_argument, NULL, ARG_VERSION },
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{ "property", required_argument, NULL, 'p' },
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{ "all", no_argument, NULL, 'a' },
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{ "full", no_argument, NULL, 'l' },
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{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
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{ "kill-who", required_argument, NULL, ARG_KILL_WHO },
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{ "signal", required_argument, NULL, 's' },
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{ "host", required_argument, NULL, 'H' },
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2013-10-30 15:34:50 +01:00
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{ "machine", required_argument, NULL, 'M' },
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2013-07-02 03:47:23 +02:00
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{ "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
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2013-11-06 18:28:39 +01:00
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{}
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2013-07-02 03:47:23 +02:00
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};
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2013-10-30 15:34:50 +01:00
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int c, r;
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2013-07-02 03:47:23 +02:00
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assert(argc >= 0);
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assert(argv);
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2013-10-30 15:34:50 +01:00
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while ((c = getopt_long(argc, argv, "hp:als:H:M:", options, NULL)) >= 0) {
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2013-07-02 03:47:23 +02:00
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switch (c) {
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case 'h':
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2013-11-06 18:28:39 +01:00
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return help();
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2013-07-02 03:47:23 +02:00
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case ARG_VERSION:
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puts(PACKAGE_STRING);
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puts(SYSTEMD_FEATURES);
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return 0;
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2013-10-30 15:34:50 +01:00
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case 'p':
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r = strv_extend(&arg_property, optarg);
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if (r < 0)
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return log_oom();
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2013-07-02 03:47:23 +02:00
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/* If the user asked for a particular
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|
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* property, show it to him, even if it is
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* empty. */
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arg_all = true;
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break;
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case 'a':
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arg_all = true;
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break;
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case 'l':
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arg_full = true;
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break;
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case ARG_NO_PAGER:
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arg_no_pager = true;
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break;
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case ARG_NO_ASK_PASSWORD:
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arg_ask_password = false;
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break;
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case ARG_KILL_WHO:
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|
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arg_kill_who = optarg;
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break;
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case 's':
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|
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arg_signal = signal_from_string_try_harder(optarg);
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|
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if (arg_signal < 0) {
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|
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log_error("Failed to parse signal string %s.", optarg);
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return -EINVAL;
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|
|
|
}
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|
|
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break;
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|
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|
|
|
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case 'H':
|
2013-10-30 16:44:55 +01:00
|
|
|
arg_transport = BUS_TRANSPORT_REMOTE;
|
2013-10-30 15:34:50 +01:00
|
|
|
arg_host = optarg;
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|
|
break;
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|
|
case 'M':
|
2013-10-30 16:44:55 +01:00
|
|
|
arg_transport = BUS_TRANSPORT_CONTAINER;
|
2013-10-30 15:34:50 +01:00
|
|
|
arg_host = optarg;
|
2013-07-02 03:47:23 +02:00
|
|
|
break;
|
|
|
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|
|
|
|
case '?':
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
default:
|
2013-11-06 18:28:39 +01:00
|
|
|
assert_not_reached("Unhandled option");
|
2013-07-02 03:47:23 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2013-10-31 01:25:44 +01:00
|
|
|
static int machinectl_main(sd_bus *bus, int argc, char *argv[]) {
|
2013-07-02 03:47:23 +02:00
|
|
|
|
|
|
|
static const struct {
|
|
|
|
const char* verb;
|
|
|
|
const enum {
|
|
|
|
MORE,
|
|
|
|
LESS,
|
|
|
|
EQUAL
|
|
|
|
} argc_cmp;
|
|
|
|
const int argc;
|
2013-08-12 14:19:22 +02:00
|
|
|
int (* const dispatch)(sd_bus *bus, char **args, unsigned n);
|
2013-07-02 03:47:23 +02:00
|
|
|
} verbs[] = {
|
|
|
|
{ "list", LESS, 1, list_machines },
|
|
|
|
{ "status", MORE, 2, show },
|
|
|
|
{ "show", MORE, 1, show },
|
|
|
|
{ "terminate", MORE, 2, terminate_machine },
|
|
|
|
{ "kill", MORE, 2, kill_machine },
|
2013-10-31 01:25:44 +01:00
|
|
|
{ "login", MORE, 2, login_machine },
|
2013-07-02 03:47:23 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
int left;
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
assert(argc >= 0);
|
|
|
|
assert(argv);
|
|
|
|
|
|
|
|
left = argc - optind;
|
|
|
|
|
|
|
|
if (left <= 0)
|
2013-11-07 21:06:44 +01:00
|
|
|
/* Special rule: no arguments means "list" */
|
2013-07-02 03:47:23 +02:00
|
|
|
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[]) {
|
2013-08-12 14:19:22 +02:00
|
|
|
_cleanup_bus_unref_ sd_bus *bus = NULL;
|
2013-11-06 17:32:51 +01:00
|
|
|
int r;
|
2013-07-02 03:47:23 +02:00
|
|
|
|
|
|
|
setlocale(LC_ALL, "");
|
|
|
|
log_parse_environment();
|
|
|
|
log_open();
|
|
|
|
|
|
|
|
r = parse_argv(argc, argv);
|
2013-11-06 17:32:51 +01:00
|
|
|
if (r <= 0)
|
2013-07-02 03:47:23 +02:00
|
|
|
goto finish;
|
|
|
|
|
2013-10-30 16:44:55 +01:00
|
|
|
r = bus_open_transport(arg_transport, arg_host, false, &bus);
|
2013-08-12 14:19:22 +02:00
|
|
|
if (r < 0) {
|
2013-10-30 16:44:55 +01:00
|
|
|
log_error("Failed to create bus connection: %s", strerror(-r));
|
2013-08-12 14:19:22 +02:00
|
|
|
goto finish;
|
|
|
|
}
|
2013-07-02 03:47:23 +02:00
|
|
|
|
2013-10-31 01:25:44 +01:00
|
|
|
r = machinectl_main(bus, argc, argv);
|
2013-07-02 03:47:23 +02:00
|
|
|
|
|
|
|
finish:
|
|
|
|
pager_close();
|
|
|
|
|
2013-11-06 17:32:51 +01:00
|
|
|
strv_free(arg_property);
|
|
|
|
|
|
|
|
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
|
2013-07-02 03:47:23 +02:00
|
|
|
}
|