machined-dbus.c revision 491ac9f2c4aeda8c40edde35112404b737e38b60
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen This file is part of systemd.
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Copyright 2011 Lennart Poettering
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen systemd is free software; you can redistribute it and/or modify it
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen under the terms of the GNU Lesser General Public License as published by
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen the Free Software Foundation; either version 2.1 of the License, or
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (at your option) any later version.
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen systemd is distributed in the hope that it will be useful, but
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen WITHOUT ANY WARRANTY; without even the implied warranty of
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Lesser General Public License for more details.
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen You should have received a copy of the GNU Lesser General Public License
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen along with systemd; If not, see <http://www.gnu.org/licenses/>.
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "bus-common-errors.h"
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int property_get_pool_path(
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_message_append(reply, "s", "/var/lib/machines");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int property_get_pool_usage(
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t usage = (uint64_t) -1;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* We try to read the quota info from /var/lib/machines, as
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen * well as the usage of the loopback file
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen * /var/lib/machines.raw, and pick the larger value. */
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (btrfs_subvol_get_quota_fd(fd, &q) >= 0)
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (stat("/var/lib/machines.raw", &st) >= 0) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage)
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen usage = st.st_blocks * 512ULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_message_append(reply, "t", usage);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int property_get_pool_limit(
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t size = (uint64_t) -1;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* We try to read the quota limit from /var/lib/machines, as
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen * well as the size of the loopback file
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen * /var/lib/machines.raw, and pick the smaller value. */
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY);
b7e7184634d573fb73143210962acce205f37f61Michael Biebl if (stat("/var/lib/machines.raw", &st) >= 0) {
b7e7184634d573fb73143210962acce205f37f61Michael Biebl if (size == (uint64_t) -1 || (uint64_t) st.st_size < size)
b7e7184634d573fb73143210962acce205f37f61Michael Biebl return sd_bus_message_append(reply, "t", size);
b7e7184634d573fb73143210962acce205f37f61Michael Bieblstatic int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
91e7bad45dced1cb2dfaac79337bb08d6e2b74a9Andreas Henriksson r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen machine = hashmap_get(m->machines, name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen p = machine_bus_path(machine);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_reply_method_return(message, "o", p);
260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersenstatic int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen _cleanup_free_ char *p = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_reply_method_return(message, "o", p);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_free_ char *p = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert_cc(sizeof(pid_t) == sizeof(uint32_t));
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "u", &pid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
d171ed1c50ba64928b7fb30ee2ae729fdfe0826bThomas Hindoe Paaboel Andersen r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_creds_get_pid(creds, &pid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = manager_get_machine_by_pid(m, pid, &machine);
31938a8560a664c32a9d72f1fc2d4347b232e6e9Michal Schmidt return sd_bus_error_setf(error, BUS_ERROR_NO_MACHINE_FOR_PID, "PID "PID_FMT" does not belong to any known machine", pid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen p = machine_bus_path(machine);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_reply_method_return(message, "o", p);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_new_method_return(message, &reply);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_set_errno(error, r);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_open_container(reply, 'a', "(ssso)");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_set_errno(error, r);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen HASHMAP_FOREACH(machine, m->machines, i) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_free_ char *p = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen p = machine_bus_path(machine);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_append(reply, "(ssso)",
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen strempty(machine_class_to_string(machine->class)),
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_set_errno(error, r);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_close_container(reply);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_set_errno(error, r);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_send(NULL, reply, NULL);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *name, *service, *class, *root_directory;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!machine_name_is_valid(name))
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read_array(message, 'y', &v, &n);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else if (n == 16)
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (i = 0; i < n_netif; i++) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen c = machine_class_from_string(class);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!isempty(root_directory) && !path_is_absolute(root_directory))
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert_cc(sizeof(uint32_t) == sizeof(pid_t));
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
79008bddf679a5e0900369950eb346c9fa687107Lennart Poettering if (hashmap_get(manager->machines, name))
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = manager_add_machine(manager, name, &m);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen m->service = strdup(service);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!isempty(root_directory)) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen m->root_directory = strdup(root_directory);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert_cc(sizeof(int32_t) == sizeof(int));
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen m->netif = memdup(netif, sizeof(int32_t) * n_netif);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = method_create_or_register_machine(manager, message, read_network, &m, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_enter_container(message, 'a', "(sv)");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = machine_start(m, message, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen m->create_message = sd_bus_message_ref(message);
79008bddf679a5e0900369950eb346c9fa687107Lennart Poetteringstatic int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return method_create_machine_internal(message, true, userdata, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return method_create_machine_internal(message, false, userdata, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_free_ char *p = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = method_create_or_register_machine(manager, message, read_network, &m, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = cg_pid_get_unit(m->leader, &m->unit);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_error_set_errnof(error, r, "Failed to determine unit of process "PID_FMT" : %s", m->leader, strerror(-r));
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = machine_start(m, NULL, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_reply_method_return(message, "o", p);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return method_register_machine_internal(message, true, userdata, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return method_register_machine_internal(message, false, userdata, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_set_errno(error, r);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen machine = hashmap_get(m->machines, name);
b7e7184634d573fb73143210962acce205f37f61Michael Biebl return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return bus_machine_method_terminate(message, machine, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_set_errno(error, r);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen machine = hashmap_get(m->machines, name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
805b573fad06b845502e76f3db3a0efa7583149dLukas Nykryn return bus_machine_method_kill(message, machine, error);
805b573fad06b845502e76f3db3a0efa7583149dLukas Nykrynstatic int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) {
79008bddf679a5e0900369950eb346c9fa687107Lennart Poettering r = sd_bus_message_read(message, "s", &name);
b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek return sd_bus_error_set_errno(error, r);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen machine = hashmap_get(m->machines, name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
a2a5291b3f5ab6ed4c92f51d0fd10a03047380d8Zbigniew Jędrzejewski-Szmek return bus_machine_method_get_addresses(message, machine, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_set_errno(error, r);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen machine = hashmap_get(m->machines, name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return bus_machine_method_get_os_release(message, machine, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_(image_hashmap_freep) Hashmap *images = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen images = hashmap_new(&string_hash_ops);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_new_method_return(message, &reply);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_open_container(reply, 'a', "(ssbttto)");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen HASHMAP_FOREACH(image, images, i) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_free_ char *p = NULL;
b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek p = image_bus_path(image->name);
b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek r = sd_bus_message_append(reply, "(ssbttto)",
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen image_type_to_string(image->type),
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_close_container(reply);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_send(NULL, reply, NULL);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_set_errno(error, r);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen machine = hashmap_get(m->machines, name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return bus_machine_method_open_pty(message, machine, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen machine = hashmap_get(m->machines, name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return bus_machine_method_open_login(message, machine, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen machine = hashmap_get(m->machines, name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return bus_machine_method_bind_mount(message, machine, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen machine = hashmap_get(m->machines, name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return bus_machine_method_copy(message, machine, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_(image_unrefp) Image* i = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!image_name_is_valid(name))
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return bus_image_method_remove(message, i, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_(image_unrefp) Image* i = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &old_name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!image_name_is_valid(old_name))
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = image_find(old_name, &i);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return bus_image_method_rename(message, i, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_(image_unrefp) Image *i = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &old_name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!image_name_is_valid(old_name))
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name);
805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering return bus_image_method_clone(message, i, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_(image_unrefp) Image *i = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!image_name_is_valid(name))
805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return bus_image_method_mark_read_only(message, i, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "t", &limit);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen "org.freedesktop.machine1.manage-machines",
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 1; /* Will call us back */
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* Set up the machine directory if necessary */
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = btrfs_resize_loopback("/var/lib/machines", limit, false);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs.");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */
a34bf9db5da0fdd6bdb14459e203dbe41ee99614Lennart Poettering return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = btrfs_quota_limit("/var/lib/machines", limit);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs.");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_reply_method_return(message, NULL);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_(image_unrefp) Image *i = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "s", &name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!image_name_is_valid(name))
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name);
8c84621c25c563c7428f3d355136fc542389aab8Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return bus_image_method_set_limit(message, i, error);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_fclose_ FILE *f = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "su", &name, &uid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen machine = hashmap_get(m->machines, name);
d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen p = procfs_file_alloca(machine->leader, "uid_map");
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uid_t uid_base, uid_shift, uid_range, converted;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (uid < uid_base || uid >= uid_base + uid_range)
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen converted = uid - uid_base + uid_shift;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (UID_IS_INVALID(converted))
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_reply_method_return(message, "u", (uint32_t) converted);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "u", &uid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen HASHMAP_FOREACH(machine, m->machines, i) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_fclose_ FILE *f = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen char p[strlen("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1];
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_warning_errno(errno, "Failed top open %s, ignoring,", p);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_free_ char *o = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uid_t uid_base, uid_shift, uid_range, converted;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range);
d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt if (k < 0 && feof(f))
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (uid < uid_shift || uid >= uid_shift + uid_range)
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen converted = (uid - uid_shift + uid_base);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (UID_IS_INVALID(converted))
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen o = machine_bus_path(machine);
b3fae863ef548add2d01c3956ce7720f4eeeca7eLennart Poettering return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid);
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) {
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen _cleanup_fclose_ FILE *f = NULL;
95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = sd_bus_message_read(message, "su", &name, &gid);
if (!machine)
return -errno;
errno = 0;
if (k < 0 && feof(f))
return -errno;
return -EIO;
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name);
static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) {
Iterator i;
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid);
errno = 0;
if (k < 0 && feof(f))
return -errno;
return -EIO;
return -ENOMEM;
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid);
SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0),
SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0),
SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED),
assert(m);
if (!machine)
sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
assert(m);
if (!path)
log_oom();
if (!machine)
struct properties {
char *active_state;
char *sub_state;
} properties = {};
assert(m);
if (!machine)
Iterator i;
assert(m);
int manager_start_scope(
const char *scope,
const char *slice,
const char *description,
char **job) {
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
if (more_properties) {
r = sd_bus_message_close_container(m);
if (job) {
char *copy;
if (!copy)
return -ENOMEM;
r = sd_bus_call_method(
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
&reply,
if (job)
if (job) {
char *copy;
if (!copy)
return -ENOMEM;
return sd_bus_call_method(
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
NULL,
const char *state;
if (!path)
return -ENOMEM;
r = sd_bus_get_property(
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Unit",
&error,
&reply,
return -EINVAL;
r = sd_bus_get_property(
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Job",
&error,
&reply,
assert(m);
if (!mm)
assert(m);
if (!machine) {
if (!machine)
return -ENOMEM;
if (_machine)