machinectl.c revision de33fc625725d199629ed074d6278504deb23deb
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync/***
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync This file is part of systemd.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync Copyright 2013 Lennart Poettering
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync systemd is free software; you can redistribute it and/or modify it
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync under the terms of the GNU Lesser General Public License as published by
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync the Free Software Foundation; either version 2.1 of the License, or
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync (at your option) any later version.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync systemd is distributed in the hope that it will be useful, but
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync WITHOUT ANY WARRANTY; without even the implied warranty of
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync Lesser General Public License for more details.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync You should have received a copy of the GNU Lesser General Public License
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync along with systemd; If not, see <http://www.gnu.org/licenses/>.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync***/
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync#include <sys/socket.h>
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync#include <unistd.h>
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync#include <errno.h>
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync#include <string.h>
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync#include <getopt.h>
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync#include <pwd.h>
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync#include <locale.h>
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync#include <fcntl.h>
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync#include <netinet/in.h>
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include <arpa/inet.h>
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include <net/if.h>
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include <sys/mount.h>
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include <libgen.h>
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "sd-bus.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "log.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "util.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "macro.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "pager.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "bus-util.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "bus-error.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "build.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "strv.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "unit-name.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "cgroup-show.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "cgroup-util.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "ptyfwd.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "event-util.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "path-util.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "mkdir.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "copy.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#include "verbs.h"
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic char **arg_property = NULL;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic bool arg_all = false;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic bool arg_full = false;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic bool arg_no_pager = false;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic bool arg_legend = true;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic const char *arg_kill_who = NULL;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic int arg_signal = SIGTERM;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic char *arg_host = NULL;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic bool arg_read_only = false;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic bool arg_mkdir = false;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic void pager_open_if_enabled(void) {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync /* Cache result before we open the pager */
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (arg_no_pager)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync pager_open(false);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync}
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic int list_machines(int argc, char *argv[], void *userdata) {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync const char *name, *class, *service, *object;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync sd_bus *bus = userdata;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync unsigned k = 0;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync int r;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync assert(bus);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync pager_open_if_enabled();
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync r = sd_bus_call_method(
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync bus,
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync "org.freedesktop.machine1",
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync "/org/freedesktop/machine1",
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync "org.freedesktop.machine1.Manager",
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync "ListMachines",
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync &error,
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync &reply,
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync "");
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (r < 0) {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync log_error("Could not get machines: %s", bus_error_message(&error, -r));
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return r;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync }
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (arg_legend)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync printf("%-32s %-9s %-16s\n", "MACHINE", "CONTAINER", "SERVICE");
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssso)");
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (r < 0)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return bus_log_parse_error(r);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync while ((r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, &object)) > 0) {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync printf("%-32s %-9s %-16s\n", name, class, service);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync k++;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync }
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (r < 0)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return bus_log_parse_error(r);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync r = sd_bus_message_exit_container(reply);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (r < 0)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return bus_log_parse_error(r);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (arg_legend)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync printf("\n%u machines listed.\n", k);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return 0;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync}
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsynctypedef struct ImageInfo {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync const char *name;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync const char *type;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync bool read_only;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync} ImageInfo;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic int compare_image_info(const void *a, const void *b) {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync const ImageInfo *x = a, *y = b;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return strcmp(x->name, y->name);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync}
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncstatic int list_images(int argc, char *argv[], void *userdata) {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync size_t max_name = strlen("NAME"), max_type = strlen("TYPE");
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync _cleanup_free_ ImageInfo *images = NULL;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync size_t n_images = 0, n_allocated = 0, j;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync const char *name, *type, *object;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync sd_bus *bus = userdata;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync int read_only;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync int r;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync assert(bus);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync pager_open_if_enabled();
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync r = sd_bus_call_method(
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync bus,
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync "org.freedesktop.machine1",
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync "/org/freedesktop/machine1",
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync "org.freedesktop.machine1.Manager",
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync "ListImages",
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync &error,
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync &reply,
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync "");
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (r < 0) {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync log_error("Could not get images: %s", bus_error_message(&error, -r));
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return r;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync }
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssbo)");
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (r < 0)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return bus_log_parse_error(r);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync while ((r = sd_bus_message_read(reply, "(ssbo)", &name, &type, &read_only, &object)) > 0) {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (name[0] == '.' && !arg_all)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync continue;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (!GREEDY_REALLOC(images, n_allocated, n_images + 1))
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return log_oom();
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync images[n_images].name = name;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync images[n_images].type = type;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync images[n_images].read_only = read_only;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (strlen(name) > max_name)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync max_name = strlen(name);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (strlen(type) > max_type)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync max_type = strlen(type);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync n_images++;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync }
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (r < 0)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return bus_log_parse_error(r);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync r = sd_bus_message_exit_container(reply);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (r < 0)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync return bus_log_parse_error(r);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync qsort_safe(images, n_images, sizeof(ImageInfo), compare_image_info);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync if (arg_legend)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync printf("%-*s %-*s %-3s\n", (int) max_name, "NAME", (int) max_type, "TYPE", "RO");
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync for (j = 0; j < n_images; j++) {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync printf("%-*s %-*s %-3s\n",
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync (int) max_name, images[j].name,
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync (int) max_type, images[j].type,
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync yes_no(images[j].read_only));
}
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("\n%zu images listed.\n", n_images);
return 0;
}
static int show_unit_cgroup(sd_bus *bus, const char *unit, pid_t leader) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *path = NULL;
const char *cgroup;
int r, output_flags;
unsigned c;
assert(bus);
assert(unit);
if (arg_transport == BUS_TRANSPORT_REMOTE)
return 0;
path = unit_dbus_path_from_name(unit);
if (!path)
return log_oom();
r = sd_bus_get_property(
bus,
"org.freedesktop.systemd1",
path,
endswith(unit, ".scope") ? "org.freedesktop.systemd1.Scope" : "org.freedesktop.systemd1.Service",
"ControlGroup",
&error,
&reply,
"s");
if (r < 0) {
log_error("Failed to query ControlGroup: %s", bus_error_message(&error, -r));
return r;
}
r = sd_bus_message_read(reply, "s", &cgroup);
if (r < 0)
return bus_log_parse_error(r);
if (isempty(cgroup))
return 0;
if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup, false) != 0 && leader <= 0)
return 0;
output_flags =
arg_all * OUTPUT_SHOW_ALL |
arg_full * OUTPUT_FULL_WIDTH;
c = columns();
if (c > 18)
c -= 18;
else
c = 0;
show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, false, &leader, leader > 0, output_flags);
return 0;
}
static int print_addresses(sd_bus *bus, const char *name, int ifi, const char *prefix, const char *prefix2) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
int r;
assert(bus);
assert(name);
assert(prefix);
assert(prefix2);
r = sd_bus_call_method(bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"GetMachineAddresses",
NULL,
&reply,
"s", name);
if (r < 0)
return r;
r = sd_bus_message_enter_container(reply, 'a', "(iay)");
if (r < 0)
return bus_log_parse_error(r);
while ((r = sd_bus_message_enter_container(reply, 'r', "iay")) > 0) {
int family;
const void *a;
size_t sz;
char buffer[MAX(INET6_ADDRSTRLEN, INET_ADDRSTRLEN)];
r = sd_bus_message_read(reply, "i", &family);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_read_array(reply, 'y', &a, &sz);
if (r < 0)
return bus_log_parse_error(r);
fputs(prefix, stdout);
fputs(inet_ntop(family, a, buffer, sizeof(buffer)), stdout);
if (family == AF_INET6 && ifi > 0)
printf("%%%i", ifi);
fputc('\n', stdout);
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
if (prefix != prefix2)
prefix = prefix2;
}
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
return 0;
}
static int print_os_release(sd_bus *bus, const char *name, const char *prefix) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *k, *v, *pretty = NULL;
int r;
assert(bus);
assert(name);
assert(prefix);
r = sd_bus_call_method(bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"GetMachineOSRelease",
NULL,
&reply,
"s", name);
if (r < 0)
return r;
r = sd_bus_message_enter_container(reply, 'a', "{ss}");
if (r < 0)
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(reply, "{ss}", &k, &v)) > 0) {
if (streq(k, "PRETTY_NAME"))
pretty = v;
}
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
if (pretty)
printf("%s%s\n", prefix, pretty);
return 0;
}
typedef struct MachineStatusInfo {
char *name;
sd_id128_t id;
char *class;
char *service;
char *unit;
char *root_directory;
pid_t leader;
usec_t timestamp;
int *netif;
unsigned n_netif;
} MachineStatusInfo;
static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) {
char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
char since2[FORMAT_TIMESTAMP_MAX], *s2;
int ifi = -1;
assert(bus);
assert(i);
fputs(strna(i->name), stdout);
if (!sd_id128_equal(i->id, SD_ID128_NULL))
printf("(" SD_ID128_FORMAT_STR ")\n", SD_ID128_FORMAT_VAL(i->id));
else
putchar('\n');
s1 = format_timestamp_relative(since1, sizeof(since1), i->timestamp);
s2 = format_timestamp(since2, sizeof(since2), i->timestamp);
if (s1)
printf("\t Since: %s; %s\n", s2, s1);
else if (s2)
printf("\t Since: %s\n", s2);
if (i->leader > 0) {
_cleanup_free_ char *t = NULL;
printf("\t Leader: %u", (unsigned) i->leader);
get_process_comm(i->leader, &t);
if (t)
printf(" (%s)", t);
putchar('\n');
}
if (i->service) {
printf("\t Service: %s", i->service);
if (i->class)
printf("; class %s", i->class);
putchar('\n');
} else if (i->class)
printf("\t Class: %s\n", i->class);
if (i->root_directory)
printf("\t Root: %s\n", i->root_directory);
if (i->n_netif > 0) {
unsigned c;
fputs("\t Iface:", stdout);
for (c = 0; c < i->n_netif; c++) {
char name[IF_NAMESIZE+1] = "";
if (if_indextoname(i->netif[c], name)) {
fputc(' ', stdout);
fputs(name, stdout);
if (ifi < 0)
ifi = i->netif[c];
else
ifi = 0;
} else
printf(" %i", i->netif[c]);
}
fputc('\n', stdout);
}
print_addresses(bus, i->name, ifi,
"\t Address: ",
"\t ");
print_os_release(bus, i->name, "\t OS: ");
if (i->unit) {
printf("\t Unit: %s\n", i->unit);
show_unit_cgroup(bus, i->unit, i->leader);
}
}
static int map_netif(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
MachineStatusInfo *i = userdata;
size_t l;
const void *v;
int r;
assert_cc(sizeof(int32_t) == sizeof(int));
r = sd_bus_message_read_array(m, SD_BUS_TYPE_INT32, &v, &l);
if (r < 0)
return r;
if (r == 0)
return -EBADMSG;
i->n_netif = l / sizeof(int32_t);
i->netif = memdup(v, l);
if (!i->netif)
return -ENOMEM;
return 0;
}
static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) {
static const struct bus_properties_map map[] = {
{ "Name", "s", NULL, offsetof(MachineStatusInfo, name) },
{ "Class", "s", NULL, offsetof(MachineStatusInfo, class) },
{ "Service", "s", NULL, offsetof(MachineStatusInfo, service) },
{ "Unit", "s", NULL, offsetof(MachineStatusInfo, unit) },
{ "RootDirectory", "s", NULL, offsetof(MachineStatusInfo, root_directory) },
{ "Leader", "u", NULL, offsetof(MachineStatusInfo, leader) },
{ "Timestamp", "t", NULL, offsetof(MachineStatusInfo, timestamp) },
{ "Id", "ay", bus_map_id128, offsetof(MachineStatusInfo, id) },
{ "NetworkInterfaces", "ai", map_netif, 0 },
{}
};
MachineStatusInfo info = {};
int r;
assert(verb);
assert(bus);
assert(path);
assert(new_line);
r = bus_map_all_properties(bus,
"org.freedesktop.machine1",
path,
map,
&info);
if (r < 0)
return log_error_errno(r, "Could not get properties: %m");
if (*new_line)
printf("\n");
*new_line = true;
print_machine_status_info(bus, &info);
free(info.name);
free(info.class);
free(info.service);
free(info.unit);
free(info.root_directory);
free(info.netif);
return r;
}
static int show_properties(sd_bus *bus, const char *path, bool *new_line) {
int r;
assert(bus);
assert(path);
assert(new_line);
if (*new_line)
printf("\n");
*new_line = true;
r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_all);
if (r < 0)
log_error_errno(r, "Could not get properties: %m");
return r;
}
static int show(int argc, char *argv[], void *userdata) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
bool properties, new_line = false;
sd_bus *bus = userdata;
int r = 0, i;
assert(bus);
properties = !strstr(argv[0], "status");
pager_open_if_enabled();
if (properties && argc <= 1) {
/* If no argument is specified, inspect the manager
* itself */
r = show_properties(bus, "/org/freedesktop/machine1", &new_line);
if (r < 0)
return r;
}
for (i = 1; i < argc; i++) {
const char *path = NULL;
r = sd_bus_call_method(
bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"GetMachine",
&error,
&reply,
"s", argv[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);
if (r < 0)
return bus_log_parse_error(r);
if (properties)
r = show_properties(bus, path, &new_line);
else
r = show_info(argv[0], bus, path, &new_line);
}
return r;
}
static int kill_machine(int argc, char *argv[], void *userdata) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus *bus = userdata;
int i;
assert(bus);
if (!arg_kill_who)
arg_kill_who = "all";
for (i = 1; i < argc; i++) {
int r;
r = sd_bus_call_method(
bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"KillMachine",
&error,
NULL,
"ssi", argv[i], arg_kill_who, arg_signal);
if (r < 0) {
log_error("Could not kill machine: %s", bus_error_message(&error, -r));
return r;
}
}
return 0;
}
static int reboot_machine(int argc, char *argv[], void *userdata) {
arg_kill_who = "leader";
arg_signal = SIGINT; /* sysvinit + systemd */
return kill_machine(argc, argv, userdata);
}
static int poweroff_machine(int argc, char *argv[], void *userdata) {
arg_kill_who = "leader";
arg_signal = SIGRTMIN+4; /* only systemd */
return kill_machine(argc, argv, userdata);
}
static int terminate_machine(int argc, char *argv[], void *userdata) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus *bus = userdata;
int i;
assert(bus);
for (i = 1; i < argc; i++) {
int r;
r = sd_bus_call_method(
bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"TerminateMachine",
&error,
NULL,
"s", argv[i]);
if (r < 0) {
log_error("Could not terminate machine: %s", bus_error_message(&error, -r));
return r;
}
}
return 0;
}
static int machine_get_leader(sd_bus *bus, const char *name, pid_t *ret) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *reply2 = NULL;
const char *object;
uint32_t leader;
int r;
assert(bus);
assert(name);
assert(ret);
r = sd_bus_call_method(
bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"GetMachine",
&error,
&reply,
"s", name);
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", &object);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_get_property(
bus,
"org.freedesktop.machine1",
object,
"org.freedesktop.machine1.Machine",
"Leader",
&error,
&reply2,
"u");
if (r < 0)
return log_error_errno(r, "Failed to retrieve PID of leader: %m");
r = sd_bus_message_read(reply2, "u", &leader);
if (r < 0)
return bus_log_parse_error(r);
*ret = leader;
return 0;
}
static int copy_files(int argc, char *argv[], void *userdata) {
char *dest, *host_path, *container_path, *host_dirname, *host_basename, *container_dirname, *container_basename, *t;
_cleanup_close_ int hostfd = -1;
sd_bus *bus = userdata;
pid_t child, leader;
bool copy_from;
siginfo_t si;
int r;
assert(bus);
copy_from = streq(argv[0], "copy-from");
dest = argv[3] ?: argv[2];
host_path = strdupa(copy_from ? dest : argv[2]);
container_path = strdupa(copy_from ? argv[2] : dest);
if (!path_is_absolute(container_path)) {
log_error("Container path not absolute.");
return -EINVAL;
}
t = strdup(host_path);
host_basename = basename(t);
host_dirname = dirname(host_path);
t = strdup(container_path);
container_basename = basename(t);
container_dirname = dirname(container_path);
r = machine_get_leader(bus, argv[1], &leader);
if (r < 0)
return r;
hostfd = open(host_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY);
if (r < 0)
return log_error_errno(errno, "Failed to open source directory: %m");
child = fork();
if (child < 0)
return log_error_errno(errno, "Failed to fork(): %m");
if (child == 0) {
int containerfd;
const char *q;
int mntfd;
q = procfs_file_alloca(leader, "ns/mnt");
mntfd = open(q, O_RDONLY|O_NOCTTY|O_CLOEXEC);
if (mntfd < 0) {
log_error_errno(errno, "Failed to open mount namespace of leader: %m");
_exit(EXIT_FAILURE);
}
if (setns(mntfd, CLONE_NEWNS) < 0) {
log_error_errno(errno, "Failed to join namespace of leader: %m");
_exit(EXIT_FAILURE);
}
containerfd = open(container_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY);
if (containerfd < 0) {
log_error_errno(errno, "Failed top open destination directory: %m");
_exit(EXIT_FAILURE);
}
if (copy_from)
r = copy_tree_at(containerfd, container_basename, hostfd, host_basename, true);
else
r = copy_tree_at(hostfd, host_basename, containerfd, container_basename, true);
if (r < 0) {
log_error_errno(errno, "Failed to copy tree: %m");
_exit(EXIT_FAILURE);
}
_exit(EXIT_SUCCESS);
}
r = wait_for_terminate(child, &si);
if (r < 0)
return log_error_errno(r, "Failed to wait for client: %m");
if (si.si_code != CLD_EXITED) {
log_error("Client died abnormally.");
return -EIO;
}
if (si.si_status != EXIT_SUCCESS)
return -EIO;
return 0;
}
static int bind_mount(int argc, char *argv[], void *userdata) {
char mount_slave[] = "/tmp/propagate.XXXXXX", *mount_tmp, *mount_outside, *p;
sd_bus *bus = userdata;
pid_t child, leader;
const char *dest;
siginfo_t si;
bool mount_slave_created = false, mount_slave_mounted = false,
mount_tmp_created = false, mount_tmp_mounted = false,
mount_outside_created = false, mount_outside_mounted = false;
int r;
assert(bus);
/* One day, when bind mounting /proc/self/fd/n works across
* namespace boundaries we should rework this logic to make
* use of it... */
dest = argv[3] ?: argv[2];
if (!path_is_absolute(dest)) {
log_error("Destination path not absolute.");
return -EINVAL;
}
p = strappenda("/run/systemd/nspawn/propagate/", argv[1], "/");
if (access(p, F_OK) < 0) {
log_error("Container does not allow propagation of mount points.");
return -ENOTSUP;
}
r = machine_get_leader(bus, argv[1], &leader);
if (r < 0)
return r;
/* Our goal is to install a new bind mount into the container,
possibly read-only. This is irritatingly complex
unfortunately, currently.
First, we start by creating a private playground in /tmp,
that we can mount MS_SLAVE. (Which is necessary, since
MS_MOUNT cannot be applied to mounts with MS_SHARED parent
mounts.) */
if (!mkdtemp(mount_slave))
return log_error_errno(errno, "Failed to create playground: %m");
mount_slave_created = true;
if (mount(mount_slave, mount_slave, NULL, MS_BIND, NULL) < 0) {
r = log_error_errno(errno, "Failed to make bind mount: %m");
goto finish;
}
mount_slave_mounted = true;
if (mount(NULL, mount_slave, NULL, MS_SLAVE, NULL) < 0) {
r = log_error_errno(errno, "Failed to remount slave: %m");
goto finish;
}
/* Second, we mount the source directory to a directory inside
of our MS_SLAVE playground. */
mount_tmp = strappenda(mount_slave, "/mount");
if (mkdir(mount_tmp, 0700) < 0) {
r = log_error_errno(errno, "Failed to create temporary mount: %m");
goto finish;
}
mount_tmp_created = true;
if (mount(argv[2], mount_tmp, NULL, MS_BIND, NULL) < 0) {
r = log_error_errno(errno, "Failed to overmount: %m");
goto finish;
}
mount_tmp_mounted = true;
/* Third, we remount the new bind mount read-only if requested. */
if (arg_read_only)
if (mount(NULL, mount_tmp, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY, NULL) < 0) {
r = log_error_errno(errno, "Failed to mark read-only: %m");
goto finish;
}
/* Fourth, we move the new bind mount into the propagation
* directory. This way it will appear there read-only
* right-away. */
mount_outside = strappenda("/run/systemd/nspawn/propagate/", argv[1], "/XXXXXX");
if (!mkdtemp(mount_outside)) {
r = log_error_errno(errno, "Cannot create propagation directory: %m");
goto finish;
}
mount_outside_created = true;
if (mount(mount_tmp, mount_outside, NULL, MS_MOVE, NULL) < 0) {
r = log_error_errno(errno, "Failed to move: %m");
goto finish;
}
mount_outside_mounted = true;
mount_tmp_mounted = false;
(void) rmdir(mount_tmp);
mount_tmp_created = false;
(void) umount(mount_slave);
mount_slave_mounted = false;
(void) rmdir(mount_slave);
mount_slave_created = false;
child = fork();
if (child < 0) {
r = log_error_errno(errno, "Failed to fork(): %m");
goto finish;
}
if (child == 0) {
const char *mount_inside;
int mntfd;
const char *q;
q = procfs_file_alloca(leader, "ns/mnt");
mntfd = open(q, O_RDONLY|O_NOCTTY|O_CLOEXEC);
if (mntfd < 0) {
log_error_errno(errno, "Failed to open mount namespace of leader: %m");
_exit(EXIT_FAILURE);
}
if (setns(mntfd, CLONE_NEWNS) < 0) {
log_error_errno(errno, "Failed to join namespace of leader: %m");
_exit(EXIT_FAILURE);
}
if (arg_mkdir)
mkdir_p(dest, 0755);
/* Fifth, move the mount to the right place inside */
mount_inside = strappenda("/run/systemd/nspawn/incoming/", basename(mount_outside));
if (mount(mount_inside, dest, NULL, MS_MOVE, NULL) < 0) {
log_error_errno(errno, "Failed to mount: %m");
_exit(EXIT_FAILURE);
}
_exit(EXIT_SUCCESS);
}
r = wait_for_terminate(child, &si);
if (r < 0) {
log_error_errno(r, "Failed to wait for client: %m");
goto finish;
}
if (si.si_code != CLD_EXITED) {
log_error("Client died abnormally.");
r = -EIO;
goto finish;
}
if (si.si_status != EXIT_SUCCESS) {
r = -EIO;
goto finish;
}
r = 0;
finish:
if (mount_outside_mounted)
umount(mount_outside);
if (mount_outside_created)
rmdir(mount_outside);
if (mount_tmp_mounted)
umount(mount_tmp);
if (mount_tmp_created)
umount(mount_tmp);
if (mount_slave_mounted)
umount(mount_slave);
if (mount_slave_created)
umount(mount_slave);
return r;
}
static int login_machine(int argc, char *argv[], void *userdata) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
_cleanup_(pty_forward_freep) PTYForward *forward = NULL;
_cleanup_event_unref_ sd_event *event = NULL;
int master = -1, r, ret = 0;
sd_bus *bus = userdata;
const char *pty;
sigset_t mask;
char last_char = 0;
assert(bus);
if (arg_transport != BUS_TRANSPORT_LOCAL &&
arg_transport != BUS_TRANSPORT_MACHINE) {
log_error("Login only supported on local machines.");
return -ENOTSUP;
}
r = sd_event_default(&event);
if (r < 0)
return log_error_errno(r, "Failed to get event loop: %m");
r = sd_bus_attach_event(bus, event, 0);
if (r < 0)
return log_error_errno(r, "Failed to attach bus to event loop: %m");
r = sd_bus_message_new_method_call(bus,
&m,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"OpenMachineLogin");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_set_allow_interactive_authorization(m, true);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "s", argv[1]);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0) {
log_error("Failed to get machine PTY: %s", bus_error_message(&error, -r));
return r;
}
r = sd_bus_message_read(reply, "hs", &master, &pty);
if (r < 0)
return bus_log_parse_error(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.", argv[1]);
sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
r = pty_forward_new(event, master, true, &forward);
if (r < 0)
return log_error_errno(r, "Failed to create PTY forwarder: %m");
r = sd_event_loop(event);
if (r < 0)
return log_error_errno(r, "Failed to run event loop: %m");
pty_forward_last_char(forward, &last_char);
forward = pty_forward_free(forward);
if (last_char != '\n')
fputc('\n', stdout);
log_info("Connection to container %s terminated.", argv[1]);
sd_event_get_exit_code(event, &ret);
return ret;
}
static int help(int argc, char *argv[], void *userdata) {
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
"Send control commands to or query the virtual machine and container\n"
"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-legend Do not show the headers and footers\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"
" --read-only Create read-only bind mount\n"
" --mkdir Create directory before bind mounting, if missing\n\n"
"Machine 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"
" login NAME Get a login prompt on a container\n"
" poweroff NAME... Power off one or more containers\n"
" reboot NAME... Reboot one or more containers\n"
" kill NAME... Send signal to processes of a VM/container\n"
" terminate NAME... Terminate one or more VMs/containers\n"
" bind NAME PATH [PATH] Bind mount a path from the host into a container\n"
" copy-to NAME PATH [PATH] Copy files from the host to a container\n"
" copy-from NAME PATH [PATH] Copy files from a container to the host\n\n"
"Image commands:\n"
" list-images Show available images\n",
program_invocation_short_name);
return 0;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
ARG_NO_LEGEND,
ARG_KILL_WHO,
ARG_READ_ONLY,
ARG_MKDIR,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "property", required_argument, NULL, 'p' },
{ "all", no_argument, NULL, 'a' },
{ "full", no_argument, NULL, 'l' },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "no-legend", no_argument, NULL, ARG_NO_LEGEND },
{ "kill-who", required_argument, NULL, ARG_KILL_WHO },
{ "signal", required_argument, NULL, 's' },
{ "host", required_argument, NULL, 'H' },
{ "machine", required_argument, NULL, 'M' },
{ "read-only", no_argument, NULL, ARG_READ_ONLY },
{ "mkdir", no_argument, NULL, ARG_MKDIR },
{}
};
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':
return help(0, NULL, NULL);
case ARG_VERSION:
puts(PACKAGE_STRING);
puts(SYSTEMD_FEATURES);
return 0;
case 'p':
r = strv_extend(&arg_property, optarg);
if (r < 0)
return log_oom();
/* If the user asked for a particular
* property, show it to him, even if it is
* empty. */
arg_all = true;
break;
case 'a':
arg_all = true;
break;
case 'l':
arg_full = true;
break;
case ARG_NO_PAGER:
arg_no_pager = true;
break;
case ARG_NO_LEGEND:
arg_legend = false;
break;
case ARG_KILL_WHO:
arg_kill_who = optarg;
break;
case 's':
arg_signal = signal_from_string_try_harder(optarg);
if (arg_signal < 0) {
log_error("Failed to parse signal string %s.", optarg);
return -EINVAL;
}
break;
case 'H':
arg_transport = BUS_TRANSPORT_REMOTE;
arg_host = optarg;
break;
case 'M':
arg_transport = BUS_TRANSPORT_MACHINE;
arg_host = optarg;
break;
case ARG_READ_ONLY:
arg_read_only = true;
break;
case ARG_MKDIR:
arg_mkdir = true;
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
return 1;
}
static int machinectl_main(int argc, char *argv[], sd_bus *bus) {
static const Verb verbs[] = {
{ "help", VERB_ANY, VERB_ANY, 0, help },
{ "list", VERB_ANY, 1, VERB_DEFAULT, list_machines },
{ "list-images", VERB_ANY, 1, 0, list_images },
{ "status", 2, VERB_ANY, 0, show },
{ "show", VERB_ANY, VERB_ANY, 0, show },
{ "terminate", 2, VERB_ANY, 0, terminate_machine },
{ "reboot", 2, VERB_ANY, 0, reboot_machine },
{ "poweroff", 2, VERB_ANY, 0, poweroff_machine },
{ "kill", 2, VERB_ANY, 0, kill_machine },
{ "login", 2, 2, 0, login_machine },
{ "bind", 3, 4, 0, bind_mount },
{ "copy-to", 3, 4, 0, copy_files },
{ "copy-from", 3, 4, 0, copy_files },
{}
};
return dispatch_verb(argc, argv, verbs, bus);
}
int main(int argc, char*argv[]) {
_cleanup_bus_close_unref_ sd_bus *bus = NULL;
int r;
setlocale(LC_ALL, "");
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
if (r <= 0)
goto finish;
r = bus_open_transport(arg_transport, arg_host, false, &bus);
if (r < 0) {
log_error_errno(r, "Failed to create bus connection: %m");
goto finish;
}
r = machinectl_main(argc, argv, bus);
finish:
pager_close();
strv_free(arg_property);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}