src/machine/machinectl.c

	machinectl.c revision 9f6eb1cd58f2ddf2eb6ba0e4de056e13d938af75
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering/***
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  This file is part of systemd.
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  Copyright 2013 Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  systemd is free software; you can redistribute it and/or modify it
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  under the terms of the GNU Lesser General Public License as published by
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  the Free Software Foundation; either version 2.1 of the License, or
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  (at your option) any later version.
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  systemd is distributed in the hope that it will be useful, but
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  WITHOUT ANY WARRANTY; without even the implied warranty of
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  Lesser General Public License for more details.
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  You should have received a copy of the GNU Lesser General Public License
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering  along with systemd; If not, see <http://www.gnu.org/licenses/>.
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering***/
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include <unistd.h>
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include <errno.h>
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include <string.h>
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include <getopt.h>
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include <pwd.h>
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include <locale.h>
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include <socket.h>
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include <fcntl.h>
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger#include "sd-bus.h"
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include "log.h"
93cc7779e0c121b75183920173f37cd1ee9d59cfThomas Hindoe Paaboel Andersen#include "util.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "macro.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "pager.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "bus-util.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "bus-error.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "build.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "strv.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "unit-name.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "cgroup-show.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "cgroup-util.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "ptyfwd.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic char **arg_property = NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic bool arg_all = false;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic bool arg_full = false;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic bool arg_no_pager = false;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic const char *arg_kill_who = NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic int arg_signal = SIGTERM;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic bool arg_ask_password = true;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic char *arg_host = NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic void pager_open_if_enabled(void) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        /* Cache result before we open the pager */
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (arg_no_pager)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        pager_open(false);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering}
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic int list_machines(sd_bus *bus, char **args, unsigned n) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        const char *name, *class, *service, *object;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        unsigned k = 0;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        int r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        pager_open_if_enabled();
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        r = sd_bus_call_method(
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                bus,
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                "org.freedesktop.machine1",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                "/org/freedesktop/machine1",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                "org.freedesktop.machine1.Manager",
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                "ListMachines",
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                &error,
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                &reply,
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                "");
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (r < 0) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                log_error("Could not get machines: %s", bus_error_message(&error, -r));
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek                return r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (on_tty())
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                printf("%-32s %-9s %-16s\n", "MACHINE", "CONTAINER", "SERVICE");
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssso)");
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (r < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                goto fail;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        while ((r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, &object)) > 0) {
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering                printf("%-32s %-9s %-16s\n", name, class, service);
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering                k++;
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering        }
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering        if (r < 0)
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering                goto fail;
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering        r = sd_bus_message_exit_container(reply);
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering        if (r < 0)
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering                goto fail;
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering        if (on_tty())
6ad623a3f77e087e308f334525fd4046811f2a9aLennart Poettering                printf("\n%u machines listed.\n", k);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        return 0;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringfail:
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        log_error("Failed to parse reply: %s", strerror(-r));
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        return r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering}
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic int show_scope_cgroup(sd_bus *bus, const char *unit, pid_t leader) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_free_ char *path = NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        const char *cgroup;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        int r, output_flags;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        unsigned c;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        assert(bus);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        assert(unit);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (arg_transport == BUS_TRANSPORT_REMOTE)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return 0;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        path = unit_dbus_path_from_name(unit);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (!path)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return log_oom();
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        r = sd_bus_get_property(
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        bus,
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        "org.freedesktop.systemd1",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        path,
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        "org.freedesktop.systemd1.Scope",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        "ControlGroup",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        &error,
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        &reply,
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        "s");
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (r < 0) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                log_error("Failed to query ControlGroup: %s", bus_error_message(&error, -r));
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        r = sd_bus_message_read(reply, "s", &cgroup);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (r < 0) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                log_error("Failed to parse reply: %s", strerror(-r));
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (isempty(cgroup))
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return 0;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup, false) != 0 && leader <= 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return 0;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        output_flags =
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                arg_all * OUTPUT_SHOW_ALL |
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                arg_full * OUTPUT_FULL_WIDTH;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        c = columns();
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (c > 18)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                c -= 18;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        else
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                c = 0;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t  ", c, false, &leader, leader > 0, output_flags);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        return 0;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering}
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringtypedef struct MachineStatusInfo {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        char *name;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        sd_id128_t id;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        char *class;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        char *service;
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek        char *scope;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        char *root_directory;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        pid_t leader;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        usec_t timestamp;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering} MachineStatusInfo;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        char since2[FORMAT_TIMESTAMP_MAX], *s2;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        assert(i);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        fputs(strna(i->name), stdout);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (!sd_id128_equal(i->id, SD_ID128_NULL))
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                printf("(" SD_ID128_FORMAT_STR ")\n", SD_ID128_FORMAT_VAL(i->id));
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        else
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek                putchar('\n');
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        s1 = format_timestamp_relative(since1, sizeof(since1), i->timestamp);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        s2 = format_timestamp(since2, sizeof(since2), i->timestamp);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (s1)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                printf("\t   Since: %s; %s\n", s2, s1);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        else if (s2)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                printf("\t   Since: %s\n", s2);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (i->leader > 0) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                _cleanup_free_ char *t = NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                printf("\t  Leader: %u", (unsigned) i->leader);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                get_process_comm(i->leader, &t);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                if (t)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        printf(" (%s)", t);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                putchar('\n');
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (i->service) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                printf("\t Service: %s", i->service);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                if (i->class)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        printf("; class %s", i->class);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                putchar('\n');
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        } else if (i->class)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                printf("\t   Class: %s\n", i->class);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (i->root_directory)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                printf("\t    Root: %s\n", i->root_directory);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (i->scope) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                printf("\t    Unit: %s\n", i->scope);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                show_scope_cgroup(bus, i->scope, i->leader);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering}
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburgerstatic int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) {
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        MachineStatusInfo info = {};
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        static const struct bus_properties_map map[]  = {
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                { "Name",          "s",  NULL,          offsetof(MachineStatusInfo, name) },
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                { "Class",         "s",  NULL,          offsetof(MachineStatusInfo, class) },
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                { "Service",       "s",  NULL,          offsetof(MachineStatusInfo, service) },
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                { "Scope",         "s",  NULL,          offsetof(MachineStatusInfo, scope) },
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                { "RootDirectory", "s",  NULL,          offsetof(MachineStatusInfo, root_directory) },
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                { "Leader",        "u",  NULL,          offsetof(MachineStatusInfo, leader) },
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                { "Timestamp",     "t",  NULL,          offsetof(MachineStatusInfo, timestamp) },
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                { "Id",            "ay", bus_map_id128, offsetof(MachineStatusInfo, id) },
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                {}
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        };
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        int r;
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        assert(path);
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        assert(new_line);
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        r = bus_map_all_properties(bus,
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                                   "org.freedesktop.machine1",
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                                   path,
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                                   map,
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                                   &info);
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        if (r < 0) {
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                log_error("Could not get properties: %s", strerror(-r));
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                return r;
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        }
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        if (*new_line)
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger                printf("\n");
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        *new_line = true;
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        print_machine_status_info(bus, &info);
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        free(info.name);
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        free(info.class);
28cb17ef0281efc3a46e5d0e702b0b0ddeaafaa4Filipe Brandenburger        free(info.service);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        free(info.scope);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        free(info.root_directory);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        return r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering}
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic int show_properties(sd_bus *bus, const char *path, bool *new_line) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        int r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (*new_line)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                printf("\n");
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        *new_line = true;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        r = bus_print_all_properties(bus, path, arg_property, arg_all);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (r < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                log_error("Could not get properties: %s", strerror(-r));
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        return r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering}
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic int show(sd_bus *bus, char **args, unsigned n) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        int r = 0;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        unsigned i;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        bool properties, new_line = false;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        assert(bus);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        assert(args);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        properties = !strstr(args[0], "status");
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        pager_open_if_enabled();
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (properties && n <= 1) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                /* If no argument is specified, inspect the manager
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                 * itself */
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                r = show_properties(bus, "/org/freedesktop/machine1", &new_line);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                if (r < 0) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        log_error("Failed to query properties: %s", strerror(-r));
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        return r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        for (i = 1; i < n; i++) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                const char *path = NULL;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                r = sd_bus_call_method(
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                        bus,
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                        "org.freedesktop.machine1",
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                        "/org/freedesktop/machine1",
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                        "org.freedesktop.machine1.Manager",
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                        "GetMachine",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                        &error,
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                        &reply,
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                        "s", args[i]);
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                if (r < 0) {
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                        log_error("Could not get path to machine: %s", bus_error_message(&error, -r));
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek                        return r;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                }
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                r = sd_bus_message_read(reply, "o", &path);
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                if (r < 0) {
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                        log_error("Failed to parse reply: %s", strerror(-r));
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        break;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                if (properties)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        r = show_properties(bus, path, &new_line);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                else
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        r = show_info(args[0], bus, path, &new_line);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        return r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering}
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic int kill_machine(sd_bus *bus, char **args, unsigned n) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        unsigned i;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek        assert(args);
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        if (!arg_kill_who)
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                arg_kill_who = "all";
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        for (i = 1; i < n; i++) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                int r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                r = sd_bus_call_method(
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                        bus,
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                        "org.freedesktop.machine1",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                        "/org/freedesktop/machine1",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                        "org.freedesktop.machine1.Manager",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                        "KillMachine",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                        &error,
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                        NULL,
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                        "ssi", args[i], arg_kill_who, arg_signal);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                if (r < 0) {
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                        log_error("Could not kill machine: %s", bus_error_message(&error, -r));
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                        return r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        }
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        return 0;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering}
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poetteringstatic int terminate_machine(sd_bus *bus, char **args, unsigned n) {
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        unsigned i;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        assert(args);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        for (i = 1; i < n; i++) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                int r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                r = sd_bus_call_method(
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                bus,
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                "org.freedesktop.machine1",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                "/org/freedesktop/machine1",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                "org.freedesktop.machine1.Manager",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                "TerminateMachine",
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                &error,
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek                                NULL,
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                                "s", args[i]);
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                if (r < 0) {
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                        log_error("Could not terminate machine: %s", bus_error_message(&error, -r));
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        return r;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        return 0;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering}
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poetteringstatic int openpt_in_namespace(pid_t pid, int flags) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_close_ int nsfd = -1, rootfd = -1;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_free_ char *ns = NULL, *root = NULL;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        _cleanup_close_pipe_ int sock[2] = { -1, -1 };
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        struct msghdr mh;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        union {
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                struct cmsghdr cmsghdr;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                uint8_t buf[CMSG_SPACE(sizeof(int))];
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        } control;
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek        struct cmsghdr *cmsg;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        int master = -1, r;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        pid_t child;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        siginfo_t si;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        r = asprintf(&ns, "/proc/%lu/ns/mnt", (unsigned long) pid);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (r < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return -ENOMEM;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        nsfd = open(ns, O_RDONLY|O_NOCTTY|O_CLOEXEC);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (nsfd < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return -errno;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        r = asprintf(&root, "/proc/%lu/root", (unsigned long) pid);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (r < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return -ENOMEM;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        rootfd = open(root, O_RDONLY|O_NOCTTY|O_CLOEXEC|O_DIRECTORY);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (rootfd < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return -errno;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        if (socketpair(AF_UNIX, SOCK_DGRAM, 0, sock) < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return -errno;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek        zero(control);
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        zero(mh);
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        mh.msg_control = &control;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        mh.msg_controllen = sizeof(control);
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        child = fork();
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (child < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                return -errno;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (child == 0) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                close_nointr_nofail(sock[0]);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                sock[0] = -1;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                r = setns(nsfd, CLONE_NEWNS);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                if (r < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        _exit(EXIT_FAILURE);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                if (fchdir(rootfd) < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        _exit(EXIT_FAILURE);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                if (chroot(".") < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        _exit(EXIT_FAILURE);
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                master = posix_openpt(flags);
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                if (master < 0)
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                        _exit(EXIT_FAILURE);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                cmsg = CMSG_FIRSTHDR(&mh);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                cmsg->cmsg_level = SOL_SOCKET;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                cmsg->cmsg_type = SCM_RIGHTS;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                cmsg->cmsg_len = CMSG_LEN(sizeof(int));
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                memcpy(CMSG_DATA(cmsg), &master, sizeof(int));
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                mh.msg_controllen = cmsg->cmsg_len;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                r = sendmsg(sock[1], &mh, MSG_NOSIGNAL);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                close_nointr_nofail(master);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                if (r < 0)
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        _exit(EXIT_FAILURE);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                _exit(EXIT_SUCCESS);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        }
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        close_nointr_nofail(sock[1]);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        sock[1] = -1;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering        if (recvmsg(sock[0], &mh, MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) < 0)
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek                return -errno;
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering        for (cmsg = CMSG_FIRSTHDR(&mh); cmsg; cmsg = CMSG_NXTHDR(&mh, cmsg))
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                        int *fds;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering                        unsigned n_fds;
2d49a208f8ad9d1c4e79fa4302451e35d06de707Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        fds = (int*) CMSG_DATA(cmsg);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                        if (n_fds != 1) {
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                close_many(fds, n_fds);
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering                                return -EIO;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev                        }
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev                        master = fds[0];
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev                }
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        r = wait_for_terminate(child, &si);
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        if (r < 0 || si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS || master < 0) {
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev                if (master >= 0)
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev                        close_nointr_nofail(master);
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev                return r < 0 ? r : -EIO;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        }
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        return master;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev}
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venevstatic int login_machine(sd_bus *bus, char **args, unsigned n) {
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *reply2 = NULL, *reply3 = NULL;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        _cleanup_bus_unref_ sd_bus *container_bus = NULL;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        _cleanup_close_ int master = -1;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        _cleanup_free_ char *getty = NULL;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        const char *path, *pty, *p;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        uint32_t leader;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        sigset_t mask;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        int r;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        assert(bus);
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        assert(args);
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        if (arg_transport != BUS_TRANSPORT_LOCAL) {
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev                log_error("Login only support on local machines.");
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev                return -ENOTSUP;
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev        }
436dd70f5331ec541ebdd84e106abaa63203f6f1Hristo Venev
        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);
        if (r < 0) {
                log_error("Failed to parse reply: %s", strerror(-r));
                return r;
        }

        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);
        if (r < 0) {
                log_error("Failed to parse reply: %s", strerror(-r));
                return r;
        }

        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;
}

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"
               "     --no-pager          Do not pipe output into a pager\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                   List running VMs and containers\n"
               "  status [NAME...]       Show VM/container status\n"
               "  show [NAME...]         Show properties of one or more VMs/containers\n"
               "  terminate [NAME...]    Terminate one or more VMs/containers\n"
               "  kill [NAME...]         Send signal to processes of a VM/container\n"
               "  login [NAME]           Get a login prompt on a container\n",
               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,
        };

        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        },
                { "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 },
                { NULL,              0,                 NULL, 0                   }
        };

        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_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_CONTAINER;
                        arg_host = optarg;
                        break;

                case '?':
                        return -EINVAL;

                default:
                        log_error("Unknown option code %c", c);
                        return -EINVAL;
                }
        }

        return 1;
}

static int machinectl_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",                  LESS,   1, list_machines     },
                { "status",                MORE,   2, show              },
                { "show",                  MORE,   1, show              },
                { "terminate",             MORE,   2, terminate_machine },
                { "kill",                  MORE,   2, kill_machine      },
                { "login",                 MORE,   2, login_machine     },
        };

        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[]) {
        int r, ret = EXIT_FAILURE;
        _cleanup_bus_unref_ sd_bus *bus = NULL;

        setlocale(LC_ALL, "");
        log_parse_environment();
        log_open();

        r = parse_argv(argc, argv);
        if (r < 0)
                goto finish;
        else if (r == 0) {
                ret = EXIT_SUCCESS;
                goto finish;
        }

        r = bus_open_transport(arg_transport, arg_host, false, &bus);
        if (r < 0) {
                log_error("Failed to create bus connection: %s", strerror(-r));
                ret = EXIT_FAILURE;
                goto finish;
        }

        r = machinectl_main(bus, argc, argv);
        ret = r < 0 ? EXIT_FAILURE : r;

finish:
        strv_free(arg_property);

        pager_close();

        return ret;
}