Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

22 files changed, 9317 insertions, 0 deletions

diff --git a/src/machine-id-setup/machine-id-setup-main.c b/src/machine-id-setup/machine-id-setup-main.c
new file mode 100644
index 0000000..59aad98
--- /dev/null
+++ b/src/machine-id-setup/machine-id-setup-main.c
@@ -0,0 +1,202 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "alloc-util.h"
+#include "build.h"
+#include "dissect-image.h"
+#include "id128-util.h"
+#include "log.h"
+#include "machine-id-setup.h"
+#include "main-func.h"
+#include "mount-util.h"
+#include "parse-argument.h"
+#include "path-util.h"
+#include "pretty-print.h"
+#include "terminal-util.h"
+
+static char *arg_root = NULL;
+static char *arg_image = NULL;
+static bool arg_commit = false;
+static bool arg_print = false;
+static ImagePolicy *arg_image_policy = NULL;
+
+STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_image, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_image_policy, image_policy_freep);
+
+static int help(void) {
+        _cleanup_free_ char *link = NULL;
+        int r;
+
+        r = terminal_urlify_man("systemd-machine-id-setup", "1", &link);
+        if (r < 0)
+                return log_oom();
+
+        printf("%s [OPTIONS...]\n"
+               "\n%sInitialize /etc/machine-id from a random source.%s\n\n"
+               "  -h --help                 Show this help\n"
+               "     --version              Show package version\n"
+               "     --root=PATH            Operate on an alternate filesystem root\n"
+               "     --image=PATH           Operate on disk image as filesystem root\n"
+               "     --image-policy=POLICY  Specify disk image dissection policy\n"
+               "     --commit               Commit transient ID\n"
+               "     --print                Print used machine ID\n"
+               "\nSee the %s for details.\n",
+               program_invocation_short_name,
+               ansi_highlight(),
+               ansi_normal(),
+               link);
+
+        return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+        enum {
+                ARG_VERSION = 0x100,
+                ARG_ROOT,
+                ARG_IMAGE,
+                ARG_IMAGE_POLICY,
+                ARG_COMMIT,
+                ARG_PRINT,
+        };
+
+        static const struct option options[] = {
+                { "help",         no_argument,       NULL, 'h'              },
+                { "version",      no_argument,       NULL, ARG_VERSION      },
+                { "root",         required_argument, NULL, ARG_ROOT         },
+                { "image",        required_argument, NULL, ARG_IMAGE        },
+                { "image-policy", required_argument, NULL, ARG_IMAGE_POLICY },
+                { "commit",       no_argument,       NULL, ARG_COMMIT       },
+                { "print",        no_argument,       NULL, ARG_PRINT        },
+                {}
+        };
+
+        int c, r;
+
+        assert(argc >= 0);
+        assert(argv);
+
+        while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
+
+                switch (c) {
+
+                case 'h':
+                        return help();
+
+                case ARG_VERSION:
+                        return version();
+
+                case ARG_ROOT:
+                        r = parse_path_argument(optarg, true, &arg_root);
+                        if (r < 0)
+                                return r;
+                        break;
+
+                case ARG_IMAGE:
+                        r = parse_path_argument(optarg, false, &arg_image);
+                        if (r < 0)
+                                return r;
+                        break;
+
+                case ARG_IMAGE_POLICY:
+                        r = parse_image_policy_argument(optarg, &arg_image_policy);
+                        if (r < 0)
+                                return r;
+                        break;
+
+                case ARG_COMMIT:
+                        arg_commit = true;
+                        break;
+
+                case ARG_PRINT:
+                        arg_print = true;
+                        break;
+
+                case '?':
+                        return -EINVAL;
+
+                default:
+                        assert_not_reached();
+                }
+
+        if (optind < argc)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Extraneous arguments");
+
+        if (arg_image && arg_root)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Please specify either --root= or --image=, the combination of both is not supported.");
+
+        return 1;
+}
+
+static int run(int argc, char *argv[]) {
+        _cleanup_(loop_device_unrefp) LoopDevice *loop_device = NULL;
+        _cleanup_(umount_and_freep) char *mounted_dir = NULL;
+        int r;
+
+        log_parse_environment();
+        log_open();
+
+        r = parse_argv(argc, argv);
+        if (r <= 0)
+                return r;
+
+        if (arg_image) {
+                assert(!arg_root);
+
+                r = mount_image_privately_interactively(
+                                arg_image,
+                                arg_image_policy,
+                                DISSECT_IMAGE_REQUIRE_ROOT |
+                                DISSECT_IMAGE_VALIDATE_OS |
+                                DISSECT_IMAGE_RELAX_VAR_CHECK |
+                                DISSECT_IMAGE_FSCK |
+                                DISSECT_IMAGE_GROWFS,
+                                &mounted_dir,
+                                /* ret_dir_fd= */ NULL,
+                                &loop_device);
+                if (r < 0)
+                        return r;
+
+                arg_root = strdup(mounted_dir);
+                if (!arg_root)
+                        return log_oom();
+        }
+
+        if (arg_commit) {
+                sd_id128_t id;
+
+                r = machine_id_commit(arg_root);
+                if (r < 0)
+                        return r;
+
+                r = id128_get_machine(arg_root, &id);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to read machine ID back: %m");
+
+                if (arg_print)
+                        puts(SD_ID128_TO_STRING(id));
+
+        } else if (id128_get_machine(arg_root, NULL) == -ENOPKG) {
+                if (arg_print)
+                        puts("uninitialized");
+        } else {
+                sd_id128_t id;
+
+                r = machine_id_setup(arg_root, false, SD_ID128_NULL, &id);
+                if (r < 0)
+                        return r;
+
+                if (arg_print)
+                        puts(SD_ID128_TO_STRING(id));
+        }
+
+        return 0;
+}
+
+DEFINE_MAIN_FUNCTION(run);
diff --git a/src/machine-id-setup/meson.build b/src/machine-id-setup/meson.build
new file mode 100644
index 0000000..316165a
--- /dev/null
+++ b/src/machine-id-setup/meson.build
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+executables += [
+        executable_template + {
+                'name' : 'systemd-machine-id-setup',
+                'sources' : files('machine-id-setup-main.c'),
+        },
+]
diff --git a/src/machine/image-dbus.c b/src/machine/image-dbus.c
new file mode 100644
index 0000000..aa4525d
--- /dev/null
+++ b/src/machine/image-dbus.c
@@ -0,0 +1,530 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/file.h>
+#include <sys/mount.h>
+
+#include "alloc-util.h"
+#include "bus-get-properties.h"
+#include "bus-label.h"
+#include "bus-polkit.h"
+#include "copy.h"
+#include "discover-image.h"
+#include "dissect-image.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "fs-util.h"
+#include "image-dbus.h"
+#include "io-util.h"
+#include "loop-util.h"
+#include "missing_capability.h"
+#include "mount-util.h"
+#include "os-util.h"
+#include "process-util.h"
+#include "raw-clone.h"
+#include "strv.h"
+#include "user-util.h"
+
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, image_type, ImageType);
+
+int bus_image_method_remove(
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        _cleanup_close_pair_ int errno_pipe_fd[2] = EBADF_PAIR;
+        Image *image = ASSERT_PTR(userdata);
+        Manager *m = image->userdata;
+        pid_t child;
+        int r;
+
+        assert(message);
+
+        if (m->n_operations >= OPERATIONS_MAX)
+                return sd_bus_error_set(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations.");
+
+        const char *details[] = {
+                "image", image->name,
+                "verb", "remove",
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-images",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0)
+                return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m");
+
+        r = safe_fork("(sd-imgrm)", FORK_RESET_SIGNALS, &child);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m");
+        if (r == 0) {
+                errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]);
+
+                r = image_remove(image);
+                if (r < 0) {
+                        (void) write(errno_pipe_fd[1], &r, sizeof(r));
+                        _exit(EXIT_FAILURE);
+                }
+
+                _exit(EXIT_SUCCESS);
+        }
+
+        errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+        r = operation_new(m, NULL, child, message, errno_pipe_fd[0], NULL);
+        if (r < 0) {
+                (void) sigkill_wait(child);
+                return r;
+        }
+
+        errno_pipe_fd[0] = -EBADF;
+
+        return 1;
+}
+
+int bus_image_method_rename(
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Image *image = ASSERT_PTR(userdata);
+        Manager *m = image->userdata;
+        const char *new_name;
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "s", &new_name);
+        if (r < 0)
+                return r;
+
+        if (!image_name_is_valid(new_name))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", new_name);
+
+        const char *details[] = {
+                "image", image->name,
+                "verb", "rename",
+                "new_name", new_name,
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-images",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        r = image_rename(image, new_name);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_image_method_clone(
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        _cleanup_close_pair_ int errno_pipe_fd[2] = EBADF_PAIR;
+        Image *image = ASSERT_PTR(userdata);
+        Manager *m = ASSERT_PTR(image->userdata);
+        const char *new_name;
+        int r, read_only;
+        pid_t child;
+
+        assert(message);
+
+        if (m->n_operations >= OPERATIONS_MAX)
+                return sd_bus_error_set(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations.");
+
+        r = sd_bus_message_read(message, "sb", &new_name, &read_only);
+        if (r < 0)
+                return r;
+
+        if (!image_name_is_valid(new_name))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", new_name);
+
+        const char *details[] = {
+                "image", image->name,
+                "verb", "clone",
+                "new_name", new_name,
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-images",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0)
+                return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m");
+
+        r = safe_fork("(sd-imgclone)", FORK_RESET_SIGNALS, &child);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m");
+        if (r == 0) {
+                errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]);
+
+                r = image_clone(image, new_name, read_only);
+                if (r < 0) {
+                        (void) write(errno_pipe_fd[1], &r, sizeof(r));
+                        _exit(EXIT_FAILURE);
+                }
+
+                _exit(EXIT_SUCCESS);
+        }
+
+        errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+        r = operation_new(m, NULL, child, message, errno_pipe_fd[0], NULL);
+        if (r < 0) {
+                (void) sigkill_wait(child);
+                return r;
+        }
+
+        errno_pipe_fd[0] = -EBADF;
+
+        return 1;
+}
+
+int bus_image_method_mark_read_only(
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Image *image = userdata;
+        Manager *m = image->userdata;
+        int read_only, r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "b", &read_only);
+        if (r < 0)
+                return r;
+
+        const char *details[] = {
+                "image", image->name,
+                "verb", "mark_read_only",
+                "read_only", one_zero(read_only),
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-images",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        r = image_read_only(image, read_only);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_image_method_set_limit(
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Image *image = userdata;
+        Manager *m = image->userdata;
+        uint64_t limit;
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "t", &limit);
+        if (r < 0)
+                return r;
+        if (!FILE_SIZE_VALID_OR_INFINITY(limit))
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range");
+
+        const char *details[] = {
+                "machine", image->name,
+                "verb", "set_limit",
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-images",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        r = image_set_limit(image, limit);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_image_method_get_hostname(
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Image *image = userdata;
+        int r;
+
+        if (!image->metadata_valid) {
+                r = image_read_metadata(image, &image_policy_container);
+                if (r < 0)
+                        return sd_bus_error_set_errnof(error, r, "Failed to read image metadata: %m");
+        }
+
+        return sd_bus_reply_method_return(message, "s", image->hostname);
+}
+
+int bus_image_method_get_machine_id(
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        Image *image = userdata;
+        int r;
+
+        if (!image->metadata_valid) {
+                r = image_read_metadata(image, &image_policy_container);
+                if (r < 0)
+                        return sd_bus_error_set_errnof(error, r, "Failed to read image metadata: %m");
+        }
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        if (sd_id128_is_null(image->machine_id)) /* Add an empty array if the ID is zero */
+                r = sd_bus_message_append(reply, "ay", 0);
+        else
+                r = sd_bus_message_append_array(reply, 'y', image->machine_id.bytes, 16);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+int bus_image_method_get_machine_info(
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Image *image = userdata;
+        int r;
+
+        if (!image->metadata_valid) {
+                r = image_read_metadata(image, &image_policy_container);
+                if (r < 0)
+                        return sd_bus_error_set_errnof(error, r, "Failed to read image metadata: %m");
+        }
+
+        return bus_reply_pair_array(message, image->machine_info);
+}
+
+int bus_image_method_get_os_release(
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Image *image = userdata;
+        int r;
+
+        if (!image->metadata_valid) {
+                r = image_read_metadata(image, &image_policy_container);
+                if (r < 0)
+                        return sd_bus_error_set_errnof(error, r, "Failed to read image metadata: %m");
+        }
+
+        return bus_reply_pair_array(message, image->os_release);
+}
+
+static int image_flush_cache(sd_event_source *s, void *userdata) {
+        Manager *m = ASSERT_PTR(userdata);
+
+        assert(s);
+
+        hashmap_clear(m->image_cache);
+        return 0;
+}
+
+static int image_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
+        _cleanup_free_ char *e = NULL;
+        Manager *m = userdata;
+        Image *image = NULL;
+        const char *p;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(interface);
+        assert(found);
+
+        p = startswith(path, "/org/freedesktop/machine1/image/");
+        if (!p)
+                return 0;
+
+        e = bus_label_unescape(p);
+        if (!e)
+                return -ENOMEM;
+
+        image = hashmap_get(m->image_cache, e);
+        if (image) {
+                *found = image;
+                return 1;
+        }
+
+        if (!m->image_cache_defer_event) {
+                r = sd_event_add_defer(m->event, &m->image_cache_defer_event, image_flush_cache, m);
+                if (r < 0)
+                        return r;
+
+                r = sd_event_source_set_priority(m->image_cache_defer_event, SD_EVENT_PRIORITY_IDLE);
+                if (r < 0)
+                        return r;
+        }
+
+        r = sd_event_source_set_enabled(m->image_cache_defer_event, SD_EVENT_ONESHOT);
+        if (r < 0)
+                return r;
+
+        r = image_find(IMAGE_MACHINE, e, NULL, &image);
+        if (r == -ENOENT)
+                return 0;
+        if (r < 0)
+                return r;
+
+        image->userdata = m;
+
+        r = hashmap_ensure_put(&m->image_cache, &image_hash_ops, image->name, image);
+        if (r < 0) {
+                image_unref(image);
+                return r;
+        }
+
+        *found = image;
+        return 1;
+}
+
+char *image_bus_path(const char *name) {
+        _cleanup_free_ char *e = NULL;
+
+        assert(name);
+
+        e = bus_label_escape(name);
+        if (!e)
+                return NULL;
+
+        return strjoin("/org/freedesktop/machine1/image/", e);
+}
+
+static int image_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
+        _cleanup_hashmap_free_ Hashmap *images = NULL;
+        _cleanup_strv_free_ char **l = NULL;
+        Image *image;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(nodes);
+
+        images = hashmap_new(&image_hash_ops);
+        if (!images)
+                return -ENOMEM;
+
+        r = image_discover(IMAGE_MACHINE, NULL, images);
+        if (r < 0)
+                return r;
+
+        HASHMAP_FOREACH(image, images) {
+                char *p;
+
+                p = image_bus_path(image->name);
+                if (!p)
+                        return -ENOMEM;
+
+                r = strv_consume(&l, p);
+                if (r < 0)
+                        return r;
+        }
+
+        *nodes = TAKE_PTR(l);
+
+        return 1;
+}
+
+const sd_bus_vtable image_vtable[] = {
+        SD_BUS_VTABLE_START(0),
+        SD_BUS_PROPERTY("Name", "s", NULL, offsetof(Image, name), 0),
+        SD_BUS_PROPERTY("Path", "s", NULL, offsetof(Image, path), 0),
+        SD_BUS_PROPERTY("Type", "s", property_get_type,  offsetof(Image, type), 0),
+        SD_BUS_PROPERTY("ReadOnly", "b", bus_property_get_bool, offsetof(Image, read_only), 0),
+        SD_BUS_PROPERTY("CreationTimestamp", "t", NULL, offsetof(Image, crtime), 0),
+        SD_BUS_PROPERTY("ModificationTimestamp", "t", NULL, offsetof(Image, mtime), 0),
+        SD_BUS_PROPERTY("Usage", "t", NULL, offsetof(Image, usage), 0),
+        SD_BUS_PROPERTY("Limit", "t", NULL, offsetof(Image, limit), 0),
+        SD_BUS_PROPERTY("UsageExclusive", "t", NULL, offsetof(Image, usage_exclusive), 0),
+        SD_BUS_PROPERTY("LimitExclusive", "t", NULL, offsetof(Image, limit_exclusive), 0),
+        SD_BUS_METHOD("Remove", NULL, NULL, bus_image_method_remove, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("Rename", "s", NULL, bus_image_method_rename, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("Clone", "sb", NULL, bus_image_method_clone, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("MarkReadOnly", "b", NULL, bus_image_method_mark_read_only, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetLimit", "t", NULL, bus_image_method_set_limit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("GetHostname", NULL, "s", bus_image_method_get_hostname, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("GetMachineID", NULL, "ay", bus_image_method_get_machine_id, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("GetMachineInfo", NULL, "a{ss}", bus_image_method_get_machine_info, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("GetOSRelease", NULL, "a{ss}", bus_image_method_get_os_release, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_VTABLE_END
+};
+
+const BusObjectImplementation image_object = {
+        "/org/freedesktop/machine1/image",
+        "org.freedesktop.machine1.Image",
+        .fallback_vtables = BUS_FALLBACK_VTABLES({image_vtable, image_object_find}),
+        .node_enumerator = image_node_enumerator,
+};
diff --git a/src/machine/image-dbus.h b/src/machine/image-dbus.h
new file mode 100644
index 0000000..4b00203
--- /dev/null
+++ b/src/machine/image-dbus.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "bus-object.h"
+#include "machined.h"
+
+extern const BusObjectImplementation image_object;
+
+char *image_bus_path(const char *name);
+
+int bus_image_method_remove(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_image_method_rename(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_image_method_clone(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_image_method_mark_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_image_method_set_limit(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_image_method_get_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_image_method_get_machine_id(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_image_method_get_machine_info(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_image_method_get_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error);
diff --git a/src/machine/machine-dbus.c b/src/machine/machine-dbus.c
new file mode 100644
index 0000000..4620f32
--- /dev/null
+++ b/src/machine/machine-dbus.c
@@ -0,0 +1,1399 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <sys/mount.h>
+#include <sys/wait.h>
+
+#include "alloc-util.h"
+#include "bus-common-errors.h"
+#include "bus-get-properties.h"
+#include "bus-internal.h"
+#include "bus-label.h"
+#include "bus-locator.h"
+#include "bus-polkit.h"
+#include "copy.h"
+#include "env-file.h"
+#include "env-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "format-util.h"
+#include "fs-util.h"
+#include "in-addr-util.h"
+#include "iovec-util.h"
+#include "local-addresses.h"
+#include "machine-dbus.h"
+#include "machine.h"
+#include "missing_capability.h"
+#include "mkdir.h"
+#include "mount-util.h"
+#include "mountpoint-util.h"
+#include "namespace-util.h"
+#include "os-util.h"
+#include "path-util.h"
+#include "process-util.h"
+#include "signal-util.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "tmpfile-util.h"
+#include "user-util.h"
+
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, machine_class, MachineClass);
+static BUS_DEFINE_PROPERTY_GET2(property_get_state, "s", Machine, machine_get_state, machine_state_to_string);
+
+static int property_get_netif(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Machine *m = ASSERT_PTR(userdata);
+
+        assert(bus);
+        assert(reply);
+
+        assert_cc(sizeof(int) == sizeof(int32_t));
+
+        return sd_bus_message_append_array(reply, 'i', m->netif, m->n_netif * sizeof(int));
+}
+
+int bus_machine_method_unregister(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Machine *m = ASSERT_PTR(userdata);
+        int r;
+
+        assert(message);
+
+        const char *details[] = {
+                "machine", m->name,
+                "verb", "unregister",
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_KILL,
+                        "org.freedesktop.machine1.manage-machines",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        r = machine_finalize(m);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_machine_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Machine *m = ASSERT_PTR(userdata);
+        int r;
+
+        assert(message);
+
+        const char *details[] = {
+                "machine", m->name,
+                "verb", "terminate",
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_KILL,
+                        "org.freedesktop.machine1.manage-machines",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        r = machine_stop(m);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_machine_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Machine *m = ASSERT_PTR(userdata);
+        const char *swho;
+        int32_t signo;
+        KillWho who;
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "si", &swho, &signo);
+        if (r < 0)
+                return r;
+
+        if (isempty(swho))
+                who = KILL_ALL;
+        else {
+                who = kill_who_from_string(swho);
+                if (who < 0)
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
+        }
+
+        if (!SIGNAL_VALID(signo))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
+
+        const char *details[] = {
+                "machine", m->name,
+                "verb", "kill",
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_KILL,
+                        "org.freedesktop.machine1.manage-machines",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        r = machine_kill(m, who, signo);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_machine_method_get_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        Machine *m = ASSERT_PTR(userdata);
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(reply, 'a', "(iay)");
+        if (r < 0)
+                return r;
+
+        switch (m->class) {
+
+        case MACHINE_HOST: {
+                _cleanup_free_ struct local_address *addresses = NULL;
+                int n;
+
+                n = local_addresses(NULL, 0, AF_UNSPEC, &addresses);
+                if (n < 0)
+                        return n;
+
+                for (int i = 0; i < n; i++) {
+                        r = sd_bus_message_open_container(reply, 'r', "iay");
+                        if (r < 0)
+                                return r;
+
+                        r = sd_bus_message_append(reply, "i", addresses[i].family);
+                        if (r < 0)
+                                return r;
+
+                        r = sd_bus_message_append_array(reply, 'y', &addresses[i].address, FAMILY_ADDRESS_SIZE(addresses[i].family));
+                        if (r < 0)
+                                return r;
+
+                        r = sd_bus_message_close_container(reply);
+                        if (r < 0)
+                                return r;
+                }
+
+                break;
+        }
+
+        case MACHINE_CONTAINER: {
+                _cleanup_close_pair_ int pair[2] = EBADF_PAIR;
+                _cleanup_free_ char *us = NULL, *them = NULL;
+                _cleanup_close_ int netns_fd = -EBADF;
+                const char *p;
+                pid_t child;
+
+                r = readlink_malloc("/proc/self/ns/net", &us);
+                if (r < 0)
+                        return r;
+
+                p = procfs_file_alloca(m->leader.pid, "ns/net");
+                r = readlink_malloc(p, &them);
+                if (r < 0)
+                        return r;
+
+                if (streq(us, them))
+                        return sd_bus_error_setf(error, BUS_ERROR_NO_PRIVATE_NETWORKING, "Machine %s does not use private networking", m->name);
+
+                r = namespace_open(m->leader.pid, NULL, NULL, &netns_fd, NULL, NULL);
+                if (r < 0)
+                        return r;
+
+                if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) < 0)
+                        return -errno;
+
+                r = namespace_fork("(sd-addrns)", "(sd-addr)", NULL, 0, FORK_RESET_SIGNALS|FORK_DEATHSIG_SIGKILL,
+                                   -1, -1, netns_fd, -1, -1, &child);
+                if (r < 0)
+                        return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m");
+                if (r == 0) {
+                        _cleanup_free_ struct local_address *addresses = NULL;
+                        struct local_address *a;
+                        int i, n;
+
+                        pair[0] = safe_close(pair[0]);
+
+                        n = local_addresses(NULL, 0, AF_UNSPEC, &addresses);
+                        if (n < 0)
+                                _exit(EXIT_FAILURE);
+
+                        for (a = addresses, i = 0; i < n; a++, i++) {
+                                struct iovec iov[2] = {
+                                        { .iov_base = &a->family, .iov_len = sizeof(a->family) },
+                                        { .iov_base = &a->address, .iov_len = FAMILY_ADDRESS_SIZE(a->family) },
+                                };
+
+                                r = writev(pair[1], iov, 2);
+                                if (r < 0)
+                                        _exit(EXIT_FAILURE);
+                        }
+
+                        pair[1] = safe_close(pair[1]);
+
+                        _exit(EXIT_SUCCESS);
+                }
+
+                pair[1] = safe_close(pair[1]);
+
+                for (;;) {
+                        int family;
+                        ssize_t n;
+                        union in_addr_union in_addr;
+                        struct iovec iov[2];
+                        struct msghdr mh = {
+                                .msg_iov = iov,
+                                .msg_iovlen = 2,
+                        };
+
+                        iov[0] = IOVEC_MAKE(&family, sizeof(family));
+                        iov[1] = IOVEC_MAKE(&in_addr, sizeof(in_addr));
+
+                        n = recvmsg(pair[0], &mh, 0);
+                        if (n < 0)
+                                return -errno;
+                        if ((size_t) n < sizeof(family))
+                                break;
+
+                        r = sd_bus_message_open_container(reply, 'r', "iay");
+                        if (r < 0)
+                                return r;
+
+                        r = sd_bus_message_append(reply, "i", family);
+                        if (r < 0)
+                                return r;
+
+                        switch (family) {
+
+                        case AF_INET:
+                                if (n != sizeof(struct in_addr) + sizeof(family))
+                                        return -EIO;
+
+                                r = sd_bus_message_append_array(reply, 'y', &in_addr.in, sizeof(in_addr.in));
+                                break;
+
+                        case AF_INET6:
+                                if (n != sizeof(struct in6_addr) + sizeof(family))
+                                        return -EIO;
+
+                                r = sd_bus_message_append_array(reply, 'y', &in_addr.in6, sizeof(in_addr.in6));
+                                break;
+                        }
+                        if (r < 0)
+                                return r;
+
+                        r = sd_bus_message_close_container(reply);
+                        if (r < 0)
+                                return r;
+                }
+
+                r = wait_for_terminate_and_check("(sd-addrns)", child, 0);
+                if (r < 0)
+                        return sd_bus_error_set_errnof(error, r, "Failed to wait for child: %m");
+                if (r != EXIT_SUCCESS)
+                        return sd_bus_error_set(error, SD_BUS_ERROR_FAILED, "Child died abnormally.");
+                break;
+        }
+
+        default:
+                return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Requesting IP address data is only supported on container machines.");
+        }
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+#define EXIT_NOT_FOUND 2
+
+int bus_machine_method_get_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_strv_free_ char **l = NULL;
+        Machine *m = ASSERT_PTR(userdata);
+        int r;
+
+        assert(message);
+
+        switch (m->class) {
+
+        case MACHINE_HOST:
+                r = load_os_release_pairs(NULL, &l);
+                if (r < 0)
+                        return r;
+
+                break;
+
+        case MACHINE_CONTAINER: {
+                _cleanup_close_ int mntns_fd = -EBADF, root_fd = -EBADF, pidns_fd = -EBADF;
+                _cleanup_close_pair_ int pair[2] = EBADF_PAIR;
+                _cleanup_fclose_ FILE *f = NULL;
+                pid_t child;
+
+                r = namespace_open(m->leader.pid, &pidns_fd, &mntns_fd, NULL, NULL, &root_fd);
+                if (r < 0)
+                        return r;
+
+                if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) < 0)
+                        return -errno;
+
+                r = namespace_fork("(sd-osrelns)", "(sd-osrel)", NULL, 0, FORK_RESET_SIGNALS|FORK_DEATHSIG_SIGKILL,
+                                   pidns_fd, mntns_fd, -1, -1, root_fd,
+                                   &child);
+                if (r < 0)
+                        return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m");
+                if (r == 0) {
+                        int fd = -EBADF;
+
+                        pair[0] = safe_close(pair[0]);
+
+                        r = open_os_release(NULL, NULL, &fd);
+                        if (r == -ENOENT)
+                                _exit(EXIT_NOT_FOUND);
+                        if (r < 0)
+                                _exit(EXIT_FAILURE);
+
+                        r = copy_bytes(fd, pair[1], UINT64_MAX, 0);
+                        if (r < 0)
+                                _exit(EXIT_FAILURE);
+
+                        _exit(EXIT_SUCCESS);
+                }
+
+                pair[1] = safe_close(pair[1]);
+
+                f = take_fdopen(&pair[0], "r");
+                if (!f)
+                        return -errno;
+
+                r = load_env_file_pairs(f, "/etc/os-release", &l);
+                if (r < 0)
+                        return r;
+
+                r = wait_for_terminate_and_check("(sd-osrelns)", child, 0);
+                if (r < 0)
+                        return sd_bus_error_set_errnof(error, r, "Failed to wait for child: %m");
+                if (r == EXIT_NOT_FOUND)
+                        return sd_bus_error_set(error, SD_BUS_ERROR_FAILED, "Machine does not contain OS release information");
+                if (r != EXIT_SUCCESS)
+                        return sd_bus_error_set(error, SD_BUS_ERROR_FAILED, "Child died abnormally.");
+
+                break;
+        }
+
+        default:
+                return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Requesting OS release data is only supported on container machines.");
+        }
+
+        return bus_reply_pair_array(message, l);
+}
+
+int bus_machine_method_open_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_free_ char *pty_name = NULL;
+        _cleanup_close_ int master = -EBADF;
+        Machine *m = ASSERT_PTR(userdata);
+        int r;
+
+        assert(message);
+
+        const char *details[] = {
+                "machine", m->name,
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        m->class == MACHINE_HOST ? "org.freedesktop.machine1.host-open-pty" : "org.freedesktop.machine1.open-pty",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        master = machine_openpt(m, O_RDWR|O_NOCTTY|O_CLOEXEC, &pty_name);
+        if (master < 0)
+                return master;
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(reply, "hs", master, pty_name);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+static int container_bus_new(Machine *m, sd_bus_error *error, sd_bus **ret) {
+        int r;
+
+        assert(m);
+        assert(ret);
+
+        switch (m->class) {
+
+        case MACHINE_HOST:
+                *ret = NULL;
+                break;
+
+        case MACHINE_CONTAINER: {
+                _cleanup_(sd_bus_close_unrefp) sd_bus *bus = NULL;
+                char *address;
+
+                r = sd_bus_new(&bus);
+                if (r < 0)
+                        return r;
+
+                if (asprintf(&address, "x-machine-unix:pid=%" PID_PRI, m->leader.pid) < 0)
+                        return -ENOMEM;
+
+                bus->address = address;
+                bus->bus_client = true;
+                bus->trusted = false;
+                bus->runtime_scope = RUNTIME_SCOPE_SYSTEM;
+
+                r = sd_bus_start(bus);
+                if (r == -ENOENT)
+                        return sd_bus_error_set_errnof(error, r, "There is no system bus in container %s.", m->name);
+                if (r < 0)
+                        return r;
+
+                *ret = TAKE_PTR(bus);
+                break;
+        }
+
+        default:
+                return -EOPNOTSUPP;
+        }
+
+        return 0;
+}
+
+int bus_machine_method_open_login(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_free_ char *pty_name = NULL;
+        _cleanup_(sd_bus_flush_close_unrefp) sd_bus *allocated_bus = NULL;
+        _cleanup_close_ int master = -EBADF;
+        sd_bus *container_bus = NULL;
+        Machine *m = ASSERT_PTR(userdata);
+        const char *p, *getty;
+        int r;
+
+        assert(message);
+
+        const char *details[] = {
+                "machine", m->name,
+                "verb", "login",
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        m->class == MACHINE_HOST ? "org.freedesktop.machine1.host-login" : "org.freedesktop.machine1.login",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        master = machine_openpt(m, O_RDWR|O_NOCTTY|O_CLOEXEC, &pty_name);
+        if (master < 0)
+                return master;
+
+        p = path_startswith(pty_name, "/dev/pts/");
+        assert(p);
+
+        r = container_bus_new(m, error, &allocated_bus);
+        if (r < 0)
+                return r;
+
+        container_bus = allocated_bus ?: m->manager->bus;
+
+        getty = strjoina("container-getty@", p, ".service");
+
+        r = bus_call_method(container_bus, bus_systemd_mgr, "StartUnit", error, NULL, "ss", getty, "replace");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(reply, "hs", master, pty_name);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+int bus_machine_method_open_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *tm = NULL;
+        _cleanup_free_ char *pty_name = NULL;
+        _cleanup_(sd_bus_flush_close_unrefp) sd_bus *allocated_bus = NULL;
+        sd_bus *container_bus = NULL;
+        _cleanup_close_ int master = -EBADF, slave = -EBADF;
+        _cleanup_strv_free_ char **env = NULL, **args_wire = NULL, **args = NULL;
+        _cleanup_free_ char *command_line = NULL;
+        Machine *m = ASSERT_PTR(userdata);
+        const char *p, *unit, *user, *path, *description, *utmp_id;
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "ss", &user, &path);
+        if (r < 0)
+                return r;
+        user = isempty(user) ? "root" : user;
+        r = sd_bus_message_read_strv(message, &args_wire);
+        if (r < 0)
+                return r;
+        if (isempty(path)) {
+                path = "/bin/sh";
+
+                args = new0(char*, 3 + 1);
+                if (!args)
+                        return -ENOMEM;
+                args[0] = strdup("sh");
+                if (!args[0])
+                        return -ENOMEM;
+                args[1] = strdup("-c");
+                if (!args[1])
+                        return -ENOMEM;
+                r = asprintf(&args[2],
+                             "shell=$(getent passwd %s 2>/dev/null | { IFS=: read _ _ _ _ _ _ x; echo \"$x\"; })\n"\
+                             "exec \"${shell:-/bin/sh}\" -l", /* -l is means --login */
+                             user);
+                if (r < 0) {
+                        args[2] = NULL;
+                        return -ENOMEM;
+                }
+        } else {
+                if (!path_is_absolute(path))
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified path '%s' is not absolute", path);
+                args = TAKE_PTR(args_wire);
+                if (strv_isempty(args)) {
+                        args = strv_free(args);
+
+                        args = strv_new(path);
+                        if (!args)
+                                return -ENOMEM;
+                }
+        }
+
+        r = sd_bus_message_read_strv(message, &env);
+        if (r < 0)
+                return r;
+        if (!strv_env_is_valid(env))
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments");
+
+        command_line = strv_join(args, " ");
+        if (!command_line)
+                return -ENOMEM;
+        const char *details[] = {
+                "machine", m->name,
+                "user", user,
+                "program", path,
+                "command_line", command_line,
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        m->class == MACHINE_HOST ? "org.freedesktop.machine1.host-shell" : "org.freedesktop.machine1.shell",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        master = machine_openpt(m, O_RDWR|O_NOCTTY|O_CLOEXEC, &pty_name);
+        if (master < 0)
+                return master;
+
+        p = path_startswith(pty_name, "/dev/pts/");
+        assert(p);
+
+        slave = machine_open_terminal(m, pty_name, O_RDWR|O_NOCTTY|O_CLOEXEC);
+        if (slave < 0)
+                return slave;
+
+        utmp_id = path_startswith(pty_name, "/dev/");
+        assert(utmp_id);
+
+        r = container_bus_new(m, error, &allocated_bus);
+        if (r < 0)
+                return r;
+
+        container_bus = allocated_bus ?: m->manager->bus;
+
+        r = bus_message_new_method_call(container_bus, &tm, bus_systemd_mgr, "StartTransientUnit");
+        if (r < 0)
+                return r;
+
+        /* Name and mode */
+        unit = strjoina("container-shell@", p, ".service");
+        r = sd_bus_message_append(tm, "ss", unit, "fail");
+        if (r < 0)
+                return r;
+
+        /* Properties */
+        r = sd_bus_message_open_container(tm, 'a', "(sv)");
+        if (r < 0)
+                return r;
+
+        description = strjoina("Shell for User ", user);
+        r = sd_bus_message_append(tm,
+                                  "(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)",
+                                  "Description", "s", description,
+                                  "StandardInputFileDescriptor", "h", slave,
+                                  "StandardOutputFileDescriptor", "h", slave,
+                                  "StandardErrorFileDescriptor", "h", slave,
+                                  "SendSIGHUP", "b", true,
+                                  "IgnoreSIGPIPE", "b", false,
+                                  "KillMode", "s", "mixed",
+                                  "TTYPath", "s", pty_name,
+                                  "TTYReset", "b", true,
+                                  "UtmpIdentifier", "s", utmp_id,
+                                  "UtmpMode", "s", "user",
+                                  "PAMName", "s", "login",
+                                  "WorkingDirectory", "s", "-~");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(tm, "(sv)", "User", "s", user);
+        if (r < 0)
+                return r;
+
+        if (!strv_isempty(env)) {
+                r = sd_bus_message_open_container(tm, 'r', "sv");
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_append(tm, "s", "Environment");
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_open_container(tm, 'v', "as");
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_append_strv(tm, env);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_close_container(tm);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_close_container(tm);
+                if (r < 0)
+                        return r;
+        }
+
+        /* Exec container */
+        r = sd_bus_message_open_container(tm, 'r', "sv");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(tm, "s", "ExecStart");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(tm, 'v', "a(sasb)");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(tm, 'a', "(sasb)");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(tm, 'r', "sasb");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(tm, "s", path);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append_strv(tm, args);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(tm, "b", true);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_close_container(tm);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_close_container(tm);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_close_container(tm);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_close_container(tm);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_close_container(tm);
+        if (r < 0)
+                return r;
+
+        /* Auxiliary units */
+        r = sd_bus_message_append(tm, "a(sa(sv))", 0);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_call(container_bus, tm, 0, error, NULL);
+        if (r < 0)
+                return r;
+
+        slave = safe_close(slave);
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(reply, "hs", master, pty_name);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+int bus_machine_method_bind_mount(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        int read_only, make_file_or_directory;
+        const char *dest, *src, *propagate_directory;
+        Machine *m = ASSERT_PTR(userdata);
+        uid_t uid;
+        int r;
+
+        assert(message);
+
+        if (m->class != MACHINE_CONTAINER)
+                return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Bind mounting is only supported on container machines.");
+
+        r = sd_bus_message_read(message, "ssbb", &src, &dest, &read_only, &make_file_or_directory);
+        if (r < 0)
+                return r;
+
+        if (!path_is_absolute(src) || !path_is_normalized(src))
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Source path must be absolute and normalized.");
+
+        if (isempty(dest))
+                dest = src;
+        else if (!path_is_absolute(dest) || !path_is_normalized(dest))
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path must be absolute and normalized.");
+
+        const char *details[] = {
+                "machine", m->name,
+                "verb", "bind",
+                "src", src,
+                "dest", dest,
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-machines",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        r = machine_get_uid_shift(m, &uid);
+        if (r < 0)
+                return r;
+        if (uid != 0)
+                return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Can't bind mount on container with user namespacing applied.");
+
+        propagate_directory = strjoina("/run/systemd/nspawn/propagate/", m->name);
+        r = bind_mount_in_namespace(
+                        &m->leader,
+                        propagate_directory,
+                        "/run/host/incoming/",
+                        src, dest,
+                        read_only,
+                        make_file_or_directory);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to mount %s on %s in machine's namespace: %m", src, dest);
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_machine_method_copy(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *host_basename = NULL, *container_basename = NULL;
+        const char *src, *dest, *host_path, *container_path;
+        _cleanup_close_pair_ int errno_pipe_fd[2] = EBADF_PAIR;
+        CopyFlags copy_flags = COPY_REFLINK|COPY_MERGE|COPY_HARDLINKS;
+        _cleanup_close_ int hostfd = -EBADF;
+        Machine *m = ASSERT_PTR(userdata);
+        bool copy_from;
+        pid_t child;
+        uid_t uid_shift;
+        int r;
+
+        assert(message);
+
+        if (m->manager->n_operations >= OPERATIONS_MAX)
+                return sd_bus_error_set(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing copies.");
+
+        if (m->class != MACHINE_CONTAINER)
+                return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Copying files is only supported on container machines.");
+
+        r = sd_bus_message_read(message, "ss", &src, &dest);
+        if (r < 0)
+                return r;
+
+        if (endswith(sd_bus_message_get_member(message), "WithFlags")) {
+                uint64_t raw_flags;
+
+                r = sd_bus_message_read(message, "t", &raw_flags);
+                if (r < 0)
+                        return r;
+
+                if ((raw_flags & ~_MACHINE_COPY_FLAGS_MASK_PUBLIC) != 0)
+                        return -EINVAL;
+
+                if (raw_flags & MACHINE_COPY_REPLACE)
+                        copy_flags |= COPY_REPLACE;
+        }
+
+        if (!path_is_absolute(src))
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Source path must be absolute.");
+
+        if (isempty(dest))
+                dest = src;
+        else if (!path_is_absolute(dest))
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path must be absolute.");
+
+        const char *details[] = {
+                "machine", m->name,
+                "verb", "copy",
+                "src", src,
+                "dest", dest,
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-machines",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        r = machine_get_uid_shift(m, &uid_shift);
+        if (r < 0)
+                return r;
+
+        copy_from = strstr(sd_bus_message_get_member(message), "CopyFrom");
+
+        if (copy_from) {
+                container_path = src;
+                host_path = dest;
+        } else {
+                host_path = src;
+                container_path = dest;
+        }
+
+        r = path_extract_filename(host_path, &host_basename);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to extract file name of '%s' path: %m", host_path);
+
+        r = path_extract_filename(container_path, &container_basename);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to extract file name of '%s' path: %m", container_path);
+
+        hostfd = open_parent(host_path, O_CLOEXEC, 0);
+        if (hostfd < 0)
+                return sd_bus_error_set_errnof(error, hostfd, "Failed to open host directory %s: %m", host_path);
+
+        if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0)
+                return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m");
+
+        r = safe_fork("(sd-copy)", FORK_RESET_SIGNALS, &child);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m");
+        if (r == 0) {
+                int containerfd;
+                const char *q;
+                int mntfd;
+
+                errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]);
+
+                q = procfs_file_alloca(m->leader.pid, "ns/mnt");
+                mntfd = open(q, O_RDONLY|O_NOCTTY|O_CLOEXEC);
+                if (mntfd < 0) {
+                        r = log_error_errno(errno, "Failed to open mount namespace of leader: %m");
+                        goto child_fail;
+                }
+
+                if (setns(mntfd, CLONE_NEWNS) < 0) {
+                        r = log_error_errno(errno, "Failed to join namespace of leader: %m");
+                        goto child_fail;
+                }
+
+                containerfd = open_parent(container_path, O_CLOEXEC, 0);
+                if (containerfd < 0) {
+                        r = log_error_errno(containerfd, "Failed to open destination directory: %m");
+                        goto child_fail;
+                }
+
+                /* Run the actual copy operation. Note that when a UID shift is set we'll either clamp the UID/GID to
+                 * 0 or to the actual UID shift depending on the direction we copy. If no UID shift is set we'll copy
+                 * the UID/GIDs as they are. */
+                if (copy_from)
+                        r = copy_tree_at(containerfd, container_basename, hostfd, host_basename, uid_shift == 0 ? UID_INVALID : 0, uid_shift == 0 ? GID_INVALID : 0, copy_flags, NULL, NULL);
+                else
+                        r = copy_tree_at(hostfd, host_basename, containerfd, container_basename, uid_shift == 0 ? UID_INVALID : uid_shift, uid_shift == 0 ? GID_INVALID : uid_shift, copy_flags, NULL, NULL);
+
+                hostfd = safe_close(hostfd);
+                containerfd = safe_close(containerfd);
+
+                if (r < 0) {
+                        r = log_error_errno(r, "Failed to copy tree: %m");
+                        goto child_fail;
+                }
+
+                _exit(EXIT_SUCCESS);
+
+        child_fail:
+                (void) write(errno_pipe_fd[1], &r, sizeof(r));
+                _exit(EXIT_FAILURE);
+        }
+
+        errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+        /* Copying might take a while, hence install a watch on the child, and return */
+
+        r = operation_new(m->manager, m, child, message, errno_pipe_fd[0], NULL);
+        if (r < 0) {
+                (void) sigkill_wait(child);
+                return r;
+        }
+        errno_pipe_fd[0] = -EBADF;
+
+        return 1;
+}
+
+int bus_machine_method_open_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_close_ int fd = -EBADF;
+        Machine *m = ASSERT_PTR(userdata);
+        int r;
+
+        assert(message);
+
+        const char *details[] = {
+                "machine", m->name,
+                "verb", "open_root_directory",
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-machines",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        switch (m->class) {
+
+        case MACHINE_HOST:
+                fd = open("/", O_RDONLY|O_CLOEXEC|O_DIRECTORY);
+                if (fd < 0)
+                        return -errno;
+
+                break;
+
+        case MACHINE_CONTAINER: {
+                _cleanup_close_ int mntns_fd = -EBADF, root_fd = -EBADF;
+                _cleanup_close_pair_ int pair[2] = EBADF_PAIR;
+                pid_t child;
+
+                r = namespace_open(m->leader.pid, NULL, &mntns_fd, NULL, NULL, &root_fd);
+                if (r < 0)
+                        return r;
+
+                if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0)
+                        return -errno;
+
+                r = namespace_fork("(sd-openrootns)", "(sd-openroot)", NULL, 0, FORK_RESET_SIGNALS|FORK_DEATHSIG_SIGKILL,
+                                   -1, mntns_fd, -1, -1, root_fd, &child);
+                if (r < 0)
+                        return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m");
+                if (r == 0) {
+                        _cleanup_close_ int dfd = -EBADF;
+
+                        pair[0] = safe_close(pair[0]);
+
+                        dfd = open("/", O_RDONLY|O_CLOEXEC|O_DIRECTORY);
+                        if (dfd < 0)
+                                _exit(EXIT_FAILURE);
+
+                        r = send_one_fd(pair[1], dfd, 0);
+                        dfd = safe_close(dfd);
+                        if (r < 0)
+                                _exit(EXIT_FAILURE);
+
+                        _exit(EXIT_SUCCESS);
+                }
+
+                pair[1] = safe_close(pair[1]);
+
+                r = wait_for_terminate_and_check("(sd-openrootns)", child, 0);
+                if (r < 0)
+                        return sd_bus_error_set_errnof(error, r, "Failed to wait for child: %m");
+                if (r != EXIT_SUCCESS)
+                        return sd_bus_error_set(error, SD_BUS_ERROR_FAILED, "Child died abnormally.");
+
+                fd = receive_one_fd(pair[0], MSG_DONTWAIT);
+                if (fd < 0)
+                        return fd;
+
+                break;
+        }
+
+        default:
+                return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Opening the root directory is only supported on container machines.");
+        }
+
+        return sd_bus_reply_method_return(message, "h", fd);
+}
+
+int bus_machine_method_get_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Machine *m = ASSERT_PTR(userdata);
+        uid_t shift = 0;
+        int r;
+
+        assert(message);
+
+        /* You wonder why this is a method and not a property? Well, properties are not supposed to return errors, but
+         * we kinda have to for this. */
+
+        if (m->class == MACHINE_HOST)
+                return sd_bus_reply_method_return(message, "u", UINT32_C(0));
+
+        if (m->class != MACHINE_CONTAINER)
+                return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "UID/GID shift may only be determined for container machines.");
+
+        r = machine_get_uid_shift(m, &shift);
+        if (r == -ENXIO)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Machine %s uses a complex UID/GID mapping, cannot determine shift", m->name);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, "u", (uint32_t) shift);
+}
+
+static int machine_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
+        Manager *m = ASSERT_PTR(userdata);
+        Machine *machine;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(interface);
+        assert(found);
+
+        if (streq(path, "/org/freedesktop/machine1/machine/self")) {
+                _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+                sd_bus_message *message;
+                pid_t pid;
+
+                message = sd_bus_get_current_message(bus);
+                if (!message)
+                        return 0;
+
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_creds_get_pid(creds, &pid);
+                if (r < 0)
+                        return r;
+
+                r = manager_get_machine_by_pid(m, pid, &machine);
+                if (r <= 0)
+                        return 0;
+        } else {
+                _cleanup_free_ char *e = NULL;
+                const char *p;
+
+                p = startswith(path, "/org/freedesktop/machine1/machine/");
+                if (!p)
+                        return 0;
+
+                e = bus_label_unescape(p);
+                if (!e)
+                        return -ENOMEM;
+
+                machine = hashmap_get(m->machines, e);
+                if (!machine)
+                        return 0;
+        }
+
+        *found = machine;
+        return 1;
+}
+
+char *machine_bus_path(Machine *m) {
+        _cleanup_free_ char *e = NULL;
+
+        assert(m);
+
+        e = bus_label_escape(m->name);
+        if (!e)
+                return NULL;
+
+        return strjoin("/org/freedesktop/machine1/machine/", e);
+}
+
+static int machine_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
+        _cleanup_strv_free_ char **l = NULL;
+        Machine *machine = NULL;
+        Manager *m = userdata;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(nodes);
+
+        HASHMAP_FOREACH(machine, m->machines) {
+                char *p;
+
+                p = machine_bus_path(machine);
+                if (!p)
+                        return -ENOMEM;
+
+                r = strv_consume(&l, p);
+                if (r < 0)
+                        return r;
+        }
+
+        *nodes = TAKE_PTR(l);
+
+        return 1;
+}
+
+static const sd_bus_vtable machine_vtable[] = {
+        SD_BUS_VTABLE_START(0),
+        SD_BUS_PROPERTY("Name", "s", NULL, offsetof(Machine, name), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Id", "ay", bus_property_get_id128, offsetof(Machine, id), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Machine, timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Machine, service), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Unit", "s", NULL, offsetof(Machine, unit), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Machine, unit), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
+        SD_BUS_PROPERTY("Leader", "u", NULL, offsetof(Machine, leader.pid), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Machine, class), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(Machine, root_directory), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("NetworkInterfaces", "ai", property_get_netif, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
+
+        SD_BUS_METHOD("Terminate",
+                      NULL,
+                      NULL,
+                      bus_machine_method_terminate,
+                      SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("Kill",
+                                SD_BUS_ARGS("s", who, "i", signal),
+                                SD_BUS_NO_RESULT,
+                                bus_machine_method_kill,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetAddresses",
+                                SD_BUS_NO_ARGS,
+                                SD_BUS_RESULT("a(iay)", addresses),
+                                bus_machine_method_get_addresses,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetOSRelease",
+                                SD_BUS_NO_ARGS,
+                                SD_BUS_RESULT("a{ss}", fields),
+                                bus_machine_method_get_os_release,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetUIDShift",
+                                SD_BUS_NO_ARGS,
+                                SD_BUS_RESULT("u", shift),
+                                bus_machine_method_get_uid_shift,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("OpenPTY",
+                                SD_BUS_NO_ARGS,
+                                SD_BUS_RESULT("h", pty, "s", pty_path),
+                                bus_machine_method_open_pty,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("OpenLogin",
+                                SD_BUS_NO_ARGS,
+                                SD_BUS_RESULT("h", pty, "s", pty_path),
+                                bus_machine_method_open_login,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("OpenShell",
+                                SD_BUS_ARGS("s", user, "s", path, "as", args, "as", environment),
+                                SD_BUS_RESULT("h", pty, "s", pty_path),
+                                bus_machine_method_open_shell,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("BindMount",
+                                SD_BUS_ARGS("s", source, "s", destination, "b", read_only, "b", mkdir),
+                                SD_BUS_NO_RESULT,
+                                bus_machine_method_bind_mount,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CopyFrom",
+                                SD_BUS_ARGS("s", source, "s", destination),
+                                SD_BUS_NO_RESULT,
+                                bus_machine_method_copy,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CopyTo",
+                                SD_BUS_ARGS("s", source, "s", destination),
+                                SD_BUS_NO_RESULT,
+                                bus_machine_method_copy,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CopyFromWithFlags",
+                                SD_BUS_ARGS("s", source, "s", destination, "t", flags),
+                                SD_BUS_NO_RESULT,
+                                bus_machine_method_copy,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CopyToWithFlags",
+                                SD_BUS_ARGS("s", source, "s", destination, "t", flags),
+                                SD_BUS_NO_RESULT,
+                                bus_machine_method_copy,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("OpenRootDirectory",
+                                SD_BUS_NO_ARGS,
+                                SD_BUS_RESULT("h", fd),
+                                bus_machine_method_open_root_directory,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+
+        SD_BUS_VTABLE_END
+};
+
+const BusObjectImplementation machine_object = {
+        "/org/freedesktop/machine1/machine",
+        "org.freedesktop.machine1.Machine",
+        .fallback_vtables = BUS_FALLBACK_VTABLES({machine_vtable, machine_object_find}),
+        .node_enumerator = machine_node_enumerator,
+};
+
+int machine_send_signal(Machine *m, bool new_machine) {
+        _cleanup_free_ char *p = NULL;
+
+        assert(m);
+
+        p = machine_bus_path(m);
+        if (!p)
+                return -ENOMEM;
+
+        return sd_bus_emit_signal(
+                        m->manager->bus,
+                        "/org/freedesktop/machine1",
+                        "org.freedesktop.machine1.Manager",
+                        new_machine ? "MachineNew" : "MachineRemoved",
+                        "so", m->name, p);
+}
+
+int machine_send_create_reply(Machine *m, sd_bus_error *error) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *c = NULL;
+        _cleanup_free_ char *p = NULL;
+
+        assert(m);
+
+        if (!m->create_message)
+                return 0;
+
+        c = TAKE_PTR(m->create_message);
+
+        if (error)
+                return sd_bus_reply_method_error(c, error);
+
+        /* Update the machine state file before we notify the client
+         * about the result. */
+        machine_save(m);
+
+        p = machine_bus_path(m);
+        if (!p)
+                return -ENOMEM;
+
+        return sd_bus_reply_method_return(c, "o", p);
+}
diff --git a/src/machine/machine-dbus.h b/src/machine/machine-dbus.h
new file mode 100644
index 0000000..a013345
--- /dev/null
+++ b/src/machine/machine-dbus.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "sd-bus.h"
+
+#include "bus-util.h"
+#include "machine.h"
+
+typedef enum {
+        MACHINE_COPY_REPLACE = 1 << 0, /* Public API via DBUS, do not change */
+        _MACHINE_COPY_FLAGS_MASK_PUBLIC = MACHINE_COPY_REPLACE,
+} MachineCopyFlags;
+
+extern const BusObjectImplementation machine_object;
+
+char *machine_bus_path(Machine *s);
+
+int bus_machine_method_unregister(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_get_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_get_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_open_pty(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_open_login(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_open_shell(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_bind_mount(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_copy(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_open_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int bus_machine_method_get_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error);
+
+int machine_send_signal(Machine *m, bool new_machine);
+int machine_send_create_reply(Machine *m, sd_bus_error *error);
diff --git a/src/machine/machine.c b/src/machine/machine.c
new file mode 100644
index 0000000..44ff5c1
--- /dev/null
+++ b/src/machine/machine.c
@@ -0,0 +1,910 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+#include "sd-messages.h"
+
+#include "alloc-util.h"
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "bus-unit-util.h"
+#include "bus-util.h"
+#include "env-file.h"
+#include "errno-util.h"
+#include "escape.h"
+#include "extract-word.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "format-util.h"
+#include "fs-util.h"
+#include "hashmap.h"
+#include "machine-dbus.h"
+#include "machine.h"
+#include "mkdir-label.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "process-util.h"
+#include "serialize.h"
+#include "special.h"
+#include "stdio-util.h"
+#include "string-table.h"
+#include "terminal-util.h"
+#include "tmpfile-util.h"
+#include "unit-name.h"
+#include "user-util.h"
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(Machine*, machine_free);
+
+int machine_new(Manager *manager, MachineClass class, const char *name, Machine **ret) {
+        _cleanup_(machine_freep) Machine *m = NULL;
+        int r;
+
+        assert(manager);
+        assert(class < _MACHINE_CLASS_MAX);
+        assert(name);
+        assert(ret);
+
+        /* Passing class == _MACHINE_CLASS_INVALID here is fine. It
+         * means as much as "we don't know yet", and that we'll figure
+         * it out later when loading the state file. */
+
+        m = new(Machine, 1);
+        if (!m)
+                return -ENOMEM;
+
+        *m = (Machine) {
+                .leader = PIDREF_NULL,
+        };
+
+        m->name = strdup(name);
+        if (!m->name)
+                return -ENOMEM;
+
+        if (class != MACHINE_HOST) {
+                m->state_file = path_join("/run/systemd/machines", m->name);
+                if (!m->state_file)
+                        return -ENOMEM;
+        }
+
+        m->class = class;
+
+        r = hashmap_put(manager->machines, m->name, m);
+        if (r < 0)
+                return r;
+
+        m->manager = manager;
+
+        *ret = TAKE_PTR(m);
+        return 0;
+}
+
+Machine* machine_free(Machine *m) {
+        if (!m)
+                return NULL;
+
+        while (m->operations)
+                operation_free(m->operations);
+
+        if (m->in_gc_queue)
+                LIST_REMOVE(gc_queue, m->manager->machine_gc_queue, m);
+
+        machine_release_unit(m);
+
+        free(m->scope_job);
+
+        (void) hashmap_remove(m->manager->machines, m->name);
+
+        if (m->manager->host_machine == m)
+                m->manager->host_machine = NULL;
+
+        if (pidref_is_set(&m->leader)) {
+                (void) hashmap_remove_value(m->manager->machine_leaders, PID_TO_PTR(m->leader.pid), m);
+                pidref_done(&m->leader);
+        }
+
+        sd_bus_message_unref(m->create_message);
+
+        free(m->name);
+        free(m->state_file);
+        free(m->service);
+        free(m->root_directory);
+        free(m->netif);
+        return mfree(m);
+}
+
+int machine_save(Machine *m) {
+        _cleanup_(unlink_and_freep) char *temp_path = NULL;
+        _cleanup_fclose_ FILE *f = NULL;
+        int r;
+
+        assert(m);
+
+        if (!m->state_file)
+                return 0;
+
+        if (!m->started)
+                return 0;
+
+        r = mkdir_safe_label("/run/systemd/machines", 0755, 0, 0, MKDIR_WARN_MODE);
+        if (r < 0)
+                goto fail;
+
+        r = fopen_temporary(m->state_file, &f, &temp_path);
+        if (r < 0)
+                goto fail;
+
+        (void) fchmod(fileno(f), 0644);
+
+        fprintf(f,
+                "# This is private data. Do not parse.\n"
+                "NAME=%s\n",
+                m->name);
+
+        if (m->unit) {
+                _cleanup_free_ char *escaped = NULL;
+
+                escaped = cescape(m->unit);
+                if (!escaped) {
+                        r = -ENOMEM;
+                        goto fail;
+                }
+
+                fprintf(f, "SCOPE=%s\n", escaped); /* We continue to call this "SCOPE=" because it is internal only, and we want to stay compatible with old files */
+        }
+
+        if (m->scope_job)
+                fprintf(f, "SCOPE_JOB=%s\n", m->scope_job);
+
+        if (m->service) {
+                _cleanup_free_ char *escaped = NULL;
+
+                escaped = cescape(m->service);
+                if (!escaped) {
+                        r = -ENOMEM;
+                        goto fail;
+                }
+                fprintf(f, "SERVICE=%s\n", escaped);
+        }
+
+        if (m->root_directory) {
+                _cleanup_free_ char *escaped = NULL;
+
+                escaped = cescape(m->root_directory);
+                if (!escaped) {
+                        r = -ENOMEM;
+                        goto fail;
+                }
+                fprintf(f, "ROOT=%s\n", escaped);
+        }
+
+        if (!sd_id128_is_null(m->id))
+                fprintf(f, "ID=" SD_ID128_FORMAT_STR "\n", SD_ID128_FORMAT_VAL(m->id));
+
+        if (pidref_is_set(&m->leader))
+                fprintf(f, "LEADER="PID_FMT"\n", m->leader.pid);
+
+        if (m->class != _MACHINE_CLASS_INVALID)
+                fprintf(f, "CLASS=%s\n", machine_class_to_string(m->class));
+
+        if (dual_timestamp_is_set(&m->timestamp))
+                fprintf(f,
+                        "REALTIME="USEC_FMT"\n"
+                        "MONOTONIC="USEC_FMT"\n",
+                        m->timestamp.realtime,
+                        m->timestamp.monotonic);
+
+        if (m->n_netif > 0) {
+                size_t i;
+
+                fputs("NETIF=", f);
+
+                for (i = 0; i < m->n_netif; i++) {
+                        if (i != 0)
+                                fputc(' ', f);
+
+                        fprintf(f, "%i", m->netif[i]);
+                }
+
+                fputc('\n', f);
+        }
+
+        r = fflush_and_check(f);
+        if (r < 0)
+                goto fail;
+
+        if (rename(temp_path, m->state_file) < 0) {
+                r = -errno;
+                goto fail;
+        }
+
+        temp_path = mfree(temp_path);
+
+        if (m->unit) {
+                char *sl;
+
+                /* Create a symlink from the unit name to the machine
+                 * name, so that we can quickly find the machine for
+                 * each given unit. Ignore error. */
+                sl = strjoina("/run/systemd/machines/unit:", m->unit);
+                (void) symlink(m->name, sl);
+        }
+
+        return 0;
+
+fail:
+        (void) unlink(m->state_file);
+
+        return log_error_errno(r, "Failed to save machine data %s: %m", m->state_file);
+}
+
+static void machine_unlink(Machine *m) {
+        assert(m);
+
+        if (m->unit) {
+                char *sl;
+
+                sl = strjoina("/run/systemd/machines/unit:", m->unit);
+                (void) unlink(sl);
+        }
+
+        if (m->state_file)
+                (void) unlink(m->state_file);
+}
+
+int machine_load(Machine *m) {
+        _cleanup_free_ char *realtime = NULL, *monotonic = NULL, *id = NULL, *leader = NULL, *class = NULL, *netif = NULL;
+        int r;
+
+        assert(m);
+
+        if (!m->state_file)
+                return 0;
+
+        r = parse_env_file(NULL, m->state_file,
+                           "SCOPE",     &m->unit,
+                           "SCOPE_JOB", &m->scope_job,
+                           "SERVICE",   &m->service,
+                           "ROOT",      &m->root_directory,
+                           "ID",        &id,
+                           "LEADER",    &leader,
+                           "CLASS",     &class,
+                           "REALTIME",  &realtime,
+                           "MONOTONIC", &monotonic,
+                           "NETIF",     &netif);
+        if (r == -ENOENT)
+                return 0;
+        if (r < 0)
+                return log_error_errno(r, "Failed to read %s: %m", m->state_file);
+
+        if (id)
+                (void) sd_id128_from_string(id, &m->id);
+
+        if (leader) {
+                pidref_done(&m->leader);
+                r = pidref_set_pidstr(&m->leader, leader);
+                if (r < 0)
+                        log_debug_errno(r, "Failed to set leader PID to '%s', ignoring: %m", leader);
+        }
+
+        if (class) {
+                MachineClass c;
+
+                c = machine_class_from_string(class);
+                if (c >= 0)
+                        m->class = c;
+        }
+
+        if (realtime)
+                (void) deserialize_usec(realtime, &m->timestamp.realtime);
+        if (monotonic)
+                (void) deserialize_usec(monotonic, &m->timestamp.monotonic);
+
+        if (netif) {
+                _cleanup_free_ int *ni = NULL;
+                size_t nr = 0;
+                const char *p;
+
+                p = netif;
+                for (;;) {
+                        _cleanup_free_ char *word = NULL;
+
+                        r = extract_first_word(&p, &word, NULL, 0);
+                        if (r == 0)
+                                break;
+                        if (r == -ENOMEM)
+                                return log_oom();
+                        if (r < 0) {
+                                log_warning_errno(r, "Failed to parse NETIF: %s", netif);
+                                break;
+                        }
+
+                        r = parse_ifindex(word);
+                        if (r < 0)
+                                continue;
+
+                        if (!GREEDY_REALLOC(ni, nr + 1))
+                                return log_oom();
+
+                        ni[nr++] = r;
+                }
+
+                free_and_replace(m->netif, ni);
+                m->n_netif = nr;
+        }
+
+        return r;
+}
+
+static int machine_start_scope(
+                Machine *machine,
+                sd_bus_message *more_properties,
+                sd_bus_error *error) {
+
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
+        _cleanup_free_ char *escaped = NULL, *unit = NULL;
+        const char *description;
+        int r;
+
+        assert(machine);
+        assert(pidref_is_set(&machine->leader));
+        assert(!machine->unit);
+
+        escaped = unit_name_escape(machine->name);
+        if (!escaped)
+                return log_oom();
+
+        unit = strjoin("machine-", escaped, ".scope");
+        if (!unit)
+                return log_oom();
+
+        r = bus_message_new_method_call(
+                        machine->manager->bus,
+                        &m,
+                        bus_systemd_mgr,
+                        "StartTransientUnit");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(m, "ss", unit, "fail");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(m, 'a', "(sv)");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(m, "(sv)", "Slice", "s", SPECIAL_MACHINE_SLICE);
+        if (r < 0)
+                return r;
+
+        description = strjoina(machine->class == MACHINE_VM ? "Virtual Machine " : "Container ", machine->name);
+        r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
+        if (r < 0)
+                return r;
+
+        r = bus_append_scope_pidref(m, &machine->leader);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(m, "(sv)(sv)(sv)(sv)",
+                                  "Delegate", "b", 1,
+                                  "CollectMode", "s", "inactive-or-failed",
+                                  "AddRef", "b", 1,
+                                  "TasksMax", "t", UINT64_C(16384));
+        if (r < 0)
+                return r;
+
+        if (more_properties) {
+                r = sd_bus_message_copy(m, more_properties, true);
+                if (r < 0)
+                        return r;
+        }
+
+        r = sd_bus_message_close_container(m);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(m, "a(sa(sv))", 0);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_call(NULL, m, 0, error, &reply);
+        if (r < 0)
+                return r;
+
+        machine->unit = TAKE_PTR(unit);
+        machine->referenced = true;
+
+        const char *job;
+        r = sd_bus_message_read(reply, "o", &job);
+        if (r < 0)
+                return r;
+
+        return free_and_strdup(&machine->scope_job, job);
+}
+
+static int machine_ensure_scope(Machine *m, sd_bus_message *properties, sd_bus_error *error) {
+        int r;
+
+        assert(m);
+        assert(m->class != MACHINE_HOST);
+
+        if (!m->unit) {
+                r = machine_start_scope(m, properties, error);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to start machine scope: %s", bus_error_message(error, r));
+        }
+
+        assert(m->unit);
+        hashmap_put(m->manager->machine_units, m->unit, m);
+
+        return 0;
+}
+
+int machine_start(Machine *m, sd_bus_message *properties, sd_bus_error *error) {
+        int r;
+
+        assert(m);
+
+        if (!IN_SET(m->class, MACHINE_CONTAINER, MACHINE_VM))
+                return -EOPNOTSUPP;
+
+        if (m->started)
+                return 0;
+
+        r = hashmap_put(m->manager->machine_leaders, PID_TO_PTR(m->leader.pid), m);
+        if (r < 0)
+                return r;
+
+        /* Create cgroup */
+        r = machine_ensure_scope(m, properties, error);
+        if (r < 0)
+                return r;
+
+        log_struct(LOG_INFO,
+                   "MESSAGE_ID=" SD_MESSAGE_MACHINE_START_STR,
+                   "NAME=%s", m->name,
+                   "LEADER="PID_FMT, m->leader.pid,
+                   LOG_MESSAGE("New machine %s.", m->name));
+
+        if (!dual_timestamp_is_set(&m->timestamp))
+                dual_timestamp_now(&m->timestamp);
+
+        m->started = true;
+
+        /* Save new machine data */
+        machine_save(m);
+
+        machine_send_signal(m, true);
+        (void) manager_enqueue_nscd_cache_flush(m->manager);
+
+        return 0;
+}
+
+int machine_stop(Machine *m) {
+        int r;
+
+        assert(m);
+
+        if (!IN_SET(m->class, MACHINE_CONTAINER, MACHINE_VM))
+                return -EOPNOTSUPP;
+
+        if (m->unit) {
+                _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+                char *job = NULL;
+
+                r = manager_stop_unit(m->manager, m->unit, &error, &job);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to stop machine scope: %s", bus_error_message(&error, r));
+
+                free_and_replace(m->scope_job, job);
+        }
+
+        m->stopping = true;
+
+        machine_save(m);
+        (void) manager_enqueue_nscd_cache_flush(m->manager);
+
+        return 0;
+}
+
+int machine_finalize(Machine *m) {
+        assert(m);
+
+        if (m->started) {
+                log_struct(LOG_INFO,
+                           "MESSAGE_ID=" SD_MESSAGE_MACHINE_STOP_STR,
+                           "NAME=%s", m->name,
+                           "LEADER="PID_FMT, m->leader.pid,
+                           LOG_MESSAGE("Machine %s terminated.", m->name));
+
+                m->stopping = true; /* The machine is supposed to be going away. Don't try to kill it. */
+        }
+
+        machine_unlink(m);
+        machine_add_to_gc_queue(m);
+
+        if (m->started) {
+                machine_send_signal(m, false);
+                m->started = false;
+        }
+
+        return 0;
+}
+
+bool machine_may_gc(Machine *m, bool drop_not_started) {
+        assert(m);
+
+        if (m->class == MACHINE_HOST)
+                return false;
+
+        if (drop_not_started && !m->started)
+                return true;
+
+        if (m->scope_job && manager_job_is_active(m->manager, m->scope_job))
+                return false;
+
+        if (m->unit && manager_unit_is_active(m->manager, m->unit))
+                return false;
+
+        return true;
+}
+
+void machine_add_to_gc_queue(Machine *m) {
+        assert(m);
+
+        if (m->in_gc_queue)
+                return;
+
+        LIST_PREPEND(gc_queue, m->manager->machine_gc_queue, m);
+        m->in_gc_queue = true;
+}
+
+MachineState machine_get_state(Machine *s) {
+        assert(s);
+
+        if (s->class == MACHINE_HOST)
+                return MACHINE_RUNNING;
+
+        if (s->stopping)
+                return MACHINE_CLOSING;
+
+        if (s->scope_job)
+                return MACHINE_OPENING;
+
+        return MACHINE_RUNNING;
+}
+
+int machine_kill(Machine *m, KillWho who, int signo) {
+        assert(m);
+
+        if (!IN_SET(m->class, MACHINE_VM, MACHINE_CONTAINER))
+                return -EOPNOTSUPP;
+
+        if (!m->unit)
+                return -ESRCH;
+
+        if (who == KILL_LEADER) /* If we shall simply kill the leader, do so directly */
+                return pidref_kill(&m->leader, signo);
+
+        /* Otherwise, make PID 1 do it for us, for the entire cgroup */
+        return manager_kill_unit(m->manager, m->unit, signo, NULL);
+}
+
+int machine_openpt(Machine *m, int flags, char **ret_slave) {
+        assert(m);
+
+        switch (m->class) {
+
+        case MACHINE_HOST:
+                return openpt_allocate(flags, ret_slave);
+
+        case MACHINE_CONTAINER:
+                if (!pidref_is_set(&m->leader))
+                        return -EINVAL;
+
+                return openpt_allocate_in_namespace(m->leader.pid, flags, ret_slave);
+
+        default:
+                return -EOPNOTSUPP;
+        }
+}
+
+int machine_open_terminal(Machine *m, const char *path, int mode) {
+        assert(m);
+
+        switch (m->class) {
+
+        case MACHINE_HOST:
+                return open_terminal(path, mode);
+
+        case MACHINE_CONTAINER:
+                if (!pidref_is_set(&m->leader))
+                        return -EINVAL;
+
+                return open_terminal_in_namespace(m->leader.pid, path, mode);
+
+        default:
+                return -EOPNOTSUPP;
+        }
+}
+
+void machine_release_unit(Machine *m) {
+        assert(m);
+
+        if (!m->unit)
+                return;
+
+        if (m->referenced) {
+                _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+                int r;
+
+                r = manager_unref_unit(m->manager, m->unit, &error);
+                if (r < 0)
+                        log_warning_errno(r, "Failed to drop reference to machine scope, ignoring: %s",
+                                          bus_error_message(&error, r));
+
+                m->referenced = false;
+        }
+
+        (void) hashmap_remove(m->manager->machine_units, m->unit);
+        m->unit = mfree(m->unit);
+}
+
+int machine_get_uid_shift(Machine *m, uid_t *ret) {
+        char p[STRLEN("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1];
+        uid_t uid_base, uid_shift, uid_range;
+        gid_t gid_base, gid_shift, gid_range;
+        _cleanup_fclose_ FILE *f = NULL;
+        int k, r;
+
+        assert(m);
+        assert(ret);
+
+        /* Return the base UID/GID of the specified machine. Note that this only works for containers with simple
+         * mappings. In most cases setups should be simple like this, and administrators should only care about the
+         * basic offset a container has relative to the host. This is what this function exposes.
+         *
+         * If we encounter any more complex mappings we politely refuse this with ENXIO. */
+
+        if (m->class == MACHINE_HOST) {
+                *ret = 0;
+                return 0;
+        }
+
+        if (m->class != MACHINE_CONTAINER)
+                return -EOPNOTSUPP;
+
+        xsprintf(p, "/proc/" PID_FMT "/uid_map", m->leader.pid);
+        f = fopen(p, "re");
+        if (!f) {
+                if (errno == ENOENT) {
+                        /* If the file doesn't exist, user namespacing is off in the kernel, return a zero mapping hence. */
+                        *ret = 0;
+                        return 0;
+                }
+
+                return -errno;
+        }
+
+        /* Read the first line. There's at least one. */
+        errno = 0;
+        k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT "\n", &uid_base, &uid_shift, &uid_range);
+        if (k != 3) {
+                if (ferror(f))
+                        return errno_or_else(EIO);
+
+                return -EBADMSG;
+        }
+
+        /* Not a mapping starting at 0? Then it's a complex mapping we can't expose here. */
+        if (uid_base != 0)
+                return -ENXIO;
+        /* Insist that at least the nobody user is mapped, everything else is weird, and hence complex, and we don't support it */
+        if (uid_range < UID_NOBODY)
+                return -ENXIO;
+
+        /* If there's more than one line, then we don't support this mapping. */
+        r = safe_fgetc(f, NULL);
+        if (r < 0)
+                return r;
+        if (r != 0) /* Insist on EOF */
+                return -ENXIO;
+
+        fclose(f);
+
+        xsprintf(p, "/proc/" PID_FMT "/gid_map", m->leader.pid);
+        f = fopen(p, "re");
+        if (!f)
+                return -errno;
+
+        /* Read the first line. There's at least one. */
+        errno = 0;
+        k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT "\n", &gid_base, &gid_shift, &gid_range);
+        if (k != 3) {
+                if (ferror(f))
+                        return errno_or_else(EIO);
+
+                return -EBADMSG;
+        }
+
+        /* If there's more than one line, then we don't support this file. */
+        r = safe_fgetc(f, NULL);
+        if (r < 0)
+                return r;
+        if (r != 0) /* Insist on EOF */
+                return -ENXIO;
+
+        /* If the UID and GID mapping doesn't match, we don't support this mapping. */
+        if (uid_base != (uid_t) gid_base)
+                return -ENXIO;
+        if (uid_shift != (uid_t) gid_shift)
+                return -ENXIO;
+        if (uid_range != (uid_t) gid_range)
+                return -ENXIO;
+
+        *ret = uid_shift;
+        return 0;
+}
+
+static int machine_owns_uid_internal(
+                Machine *machine,
+                const char *map_file, /* "uid_map" or "gid_map" */
+                uid_t uid,
+                uid_t *ret_internal_uid) {
+
+        _cleanup_fclose_ FILE *f = NULL;
+        const char *p;
+
+        /* This is a generic implementation for both uids and gids, under the assumptions they have the same types and semantics. */
+        assert_cc(sizeof(uid_t) == sizeof(gid_t));
+
+        assert(machine);
+
+        /* Checks if the specified host UID is owned by the machine, and returns the UID it maps to
+         * internally in the machine */
+
+        if (machine->class != MACHINE_CONTAINER)
+                goto negative;
+
+        p = procfs_file_alloca(machine->leader.pid, map_file);
+        f = fopen(p, "re");
+        if (!f) {
+                log_debug_errno(errno, "Failed to open %s, ignoring.", p);
+                goto negative;
+        }
+
+        for (;;) {
+                uid_t uid_base, uid_shift, uid_range, converted;
+                int k;
+
+                errno = 0;
+                k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range);
+                if (k < 0 && feof(f))
+                        break;
+                if (k != 3) {
+                        if (ferror(f))
+                                return errno_or_else(EIO);
+
+                        return -EIO;
+                }
+
+                /* The private user namespace is disabled, ignoring. */
+                if (uid_shift == 0)
+                        continue;
+
+                if (uid < uid_shift || uid >= uid_shift + uid_range)
+                        continue;
+
+                converted = (uid - uid_shift + uid_base);
+                if (!uid_is_valid(converted))
+                        return -EINVAL;
+
+                if (ret_internal_uid)
+                        *ret_internal_uid = converted;
+
+                return true;
+        }
+
+negative:
+        if (ret_internal_uid)
+                *ret_internal_uid = UID_INVALID;
+
+        return false;
+}
+
+int machine_owns_uid(Machine *machine, uid_t uid, uid_t *ret_internal_uid) {
+        return machine_owns_uid_internal(machine, "uid_map", uid, ret_internal_uid);
+}
+
+int machine_owns_gid(Machine *machine, gid_t gid, gid_t *ret_internal_gid) {
+        return machine_owns_uid_internal(machine, "gid_map", (uid_t) gid, (uid_t*) ret_internal_gid);
+}
+
+static int machine_translate_uid_internal(
+                Machine *machine,
+                const char *map_file, /* "uid_map" or "gid_map" */
+                uid_t uid,
+                uid_t *ret_host_uid) {
+
+        _cleanup_fclose_ FILE *f = NULL;
+        const char *p;
+
+        /* This is a generic implementation for both uids and gids, under the assumptions they have the same types and semantics. */
+        assert_cc(sizeof(uid_t) == sizeof(gid_t));
+
+        assert(machine);
+        assert(uid_is_valid(uid));
+
+        if (machine->class != MACHINE_CONTAINER)
+                return -ESRCH;
+
+        /* Translates a machine UID into a host UID */
+
+        p = procfs_file_alloca(machine->leader.pid, map_file);
+        f = fopen(p, "re");
+        if (!f)
+                return -errno;
+
+        for (;;) {
+                uid_t uid_base, uid_shift, uid_range, converted;
+                int k;
+
+                errno = 0;
+                k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range);
+                if (k < 0 && feof(f))
+                        break;
+                if (k != 3) {
+                        if (ferror(f))
+                                return errno_or_else(EIO);
+
+                        return -EIO;
+                }
+
+                if (uid < uid_base || uid >= uid_base + uid_range)
+                        continue;
+
+                converted = uid - uid_base + uid_shift;
+                if (!uid_is_valid(converted))
+                        return -EINVAL;
+
+                if (ret_host_uid)
+                        *ret_host_uid = converted;
+                return 0;
+        }
+
+        return -ESRCH;
+}
+
+int machine_translate_uid(Machine *machine, gid_t uid, gid_t *ret_host_uid) {
+        return machine_translate_uid_internal(machine, "uid_map", uid, ret_host_uid);
+}
+
+int machine_translate_gid(Machine *machine, gid_t gid, gid_t *ret_host_gid) {
+        return machine_translate_uid_internal(machine, "gid_map", (uid_t) gid, (uid_t*) ret_host_gid);
+}
+
+static const char* const machine_class_table[_MACHINE_CLASS_MAX] = {
+        [MACHINE_CONTAINER] = "container",
+        [MACHINE_VM] = "vm",
+        [MACHINE_HOST] = "host",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(machine_class, MachineClass);
+
+static const char* const machine_state_table[_MACHINE_STATE_MAX] = {
+        [MACHINE_OPENING] = "opening",
+        [MACHINE_RUNNING] = "running",
+        [MACHINE_CLOSING] = "closing"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(machine_state, MachineState);
+
+static const char* const kill_who_table[_KILL_WHO_MAX] = {
+        [KILL_LEADER] = "leader",
+        [KILL_ALL] = "all"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(kill_who, KillWho);
diff --git a/src/machine/machine.h b/src/machine/machine.h
new file mode 100644
index 0000000..30ef93b
--- /dev/null
+++ b/src/machine/machine.h
@@ -0,0 +1,103 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+typedef struct Machine Machine;
+typedef enum KillWho KillWho;
+
+#include "list.h"
+#include "machined.h"
+#include "operation.h"
+#include "pidref.h"
+#include "time-util.h"
+
+typedef enum MachineState {
+        MACHINE_OPENING,    /* Machine is being registered */
+        MACHINE_RUNNING,    /* Machine is running */
+        MACHINE_CLOSING,    /* Machine is terminating */
+        _MACHINE_STATE_MAX,
+        _MACHINE_STATE_INVALID = -EINVAL,
+} MachineState;
+
+typedef enum MachineClass {
+        MACHINE_CONTAINER,
+        MACHINE_VM,
+        MACHINE_HOST,
+        _MACHINE_CLASS_MAX,
+        _MACHINE_CLASS_INVALID = -EINVAL,
+} MachineClass;
+
+enum KillWho {
+        KILL_LEADER,
+        KILL_ALL,
+        _KILL_WHO_MAX,
+        _KILL_WHO_INVALID = -EINVAL,
+};
+
+struct Machine {
+        Manager *manager;
+
+        char *name;
+        sd_id128_t id;
+
+        MachineClass class;
+
+        char *state_file;
+        char *service;
+        char *root_directory;
+
+        char *unit;
+        char *scope_job;
+
+        PidRef leader;
+
+        dual_timestamp timestamp;
+
+        bool in_gc_queue:1;
+        bool started:1;
+        bool stopping:1;
+        bool referenced:1;
+
+        sd_bus_message *create_message;
+
+        int *netif;
+        size_t n_netif;
+
+        LIST_HEAD(Operation, operations);
+
+        LIST_FIELDS(Machine, gc_queue);
+};
+
+int machine_new(Manager *manager, MachineClass class, const char *name, Machine **ret);
+Machine* machine_free(Machine *m);
+bool machine_may_gc(Machine *m, bool drop_not_started);
+void machine_add_to_gc_queue(Machine *m);
+int machine_start(Machine *m, sd_bus_message *properties, sd_bus_error *error);
+int machine_stop(Machine *m);
+int machine_finalize(Machine *m);
+int machine_save(Machine *m);
+int machine_load(Machine *m);
+int machine_kill(Machine *m, KillWho who, int signo);
+
+void machine_release_unit(Machine *m);
+
+MachineState machine_get_state(Machine *u);
+
+const char* machine_class_to_string(MachineClass t) _const_;
+MachineClass machine_class_from_string(const char *s) _pure_;
+
+const char* machine_state_to_string(MachineState t) _const_;
+MachineState machine_state_from_string(const char *s) _pure_;
+
+const char *kill_who_to_string(KillWho k) _const_;
+KillWho kill_who_from_string(const char *s) _pure_;
+
+int machine_openpt(Machine *m, int flags, char **ret_slave);
+int machine_open_terminal(Machine *m, const char *path, int mode);
+
+int machine_get_uid_shift(Machine *m, uid_t *ret);
+
+int machine_owns_uid(Machine *m, uid_t host_uid, uid_t *ret_internal_uid);
+int machine_owns_gid(Machine *m, gid_t host_gid, gid_t *ret_internal_gid);
+
+int machine_translate_uid(Machine *m, uid_t internal_uid, uid_t *ret_host_uid);
+int machine_translate_gid(Machine *m, gid_t internal_gid, gid_t *ret_host_gid);
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
new file mode 100644
index 0000000..418dd00
--- /dev/null
+++ b/src/machine/machinectl.c
@@ -0,0 +1,3007 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <arpa/inet.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <math.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <sys/mount.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include "sd-bus.h"
+
+#include "alloc-util.h"
+#include "build.h"
+#include "bus-common-errors.h"
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "bus-map-properties.h"
+#include "bus-print-properties.h"
+#include "bus-unit-procs.h"
+#include "bus-unit-util.h"
+#include "bus-wait-for-jobs.h"
+#include "cgroup-show.h"
+#include "cgroup-util.h"
+#include "constants.h"
+#include "copy.h"
+#include "edit-util.h"
+#include "env-util.h"
+#include "fd-util.h"
+#include "format-table.h"
+#include "hostname-util.h"
+#include "import-util.h"
+#include "locale-util.h"
+#include "log.h"
+#include "logs-show.h"
+#include "machine-dbus.h"
+#include "macro.h"
+#include "main-func.h"
+#include "mkdir.h"
+#include "nulstr-util.h"
+#include "pager.h"
+#include "parse-argument.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "pretty-print.h"
+#include "process-util.h"
+#include "ptyfwd.h"
+#include "rlimit-util.h"
+#include "sigbus.h"
+#include "signal-util.h"
+#include "sort-util.h"
+#include "spawn-ask-password-agent.h"
+#include "spawn-polkit-agent.h"
+#include "stdio-util.h"
+#include "string-table.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "unit-name.h"
+#include "verbs.h"
+#include "web-util.h"
+
+static char **arg_property = NULL;
+static bool arg_all = false;
+static BusPrintPropertyFlags arg_print_flags = 0;
+static bool arg_full = false;
+static PagerFlags arg_pager_flags = 0;
+static bool arg_legend = true;
+static const char *arg_kill_whom = NULL;
+static int arg_signal = SIGTERM;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+static const char *arg_host = NULL;
+static bool arg_read_only = false;
+static bool arg_mkdir = false;
+static bool arg_quiet = false;
+static bool arg_ask_password = true;
+static unsigned arg_lines = 10;
+static OutputMode arg_output = OUTPUT_SHORT;
+static bool arg_now = false;
+static bool arg_force = false;
+static ImportVerify arg_verify = IMPORT_VERIFY_SIGNATURE;
+static const char* arg_format = NULL;
+static const char *arg_uid = NULL;
+static char **arg_setenv = NULL;
+static unsigned arg_max_addresses = 1;
+
+STATIC_DESTRUCTOR_REGISTER(arg_property, strv_freep);
+STATIC_DESTRUCTOR_REGISTER(arg_setenv, strv_freep);
+
+static OutputFlags get_output_flags(void) {
+        return
+                FLAGS_SET(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY) * OUTPUT_SHOW_ALL |
+                (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
+                colors_enabled() * OUTPUT_COLOR |
+                !arg_quiet * OUTPUT_WARN_CUTOFF;
+}
+
+static int call_get_os_release(sd_bus *bus, const char *method, const char *name, const char *query, ...) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        const char *k, *v, **query_res = NULL;
+        size_t count = 0, awaited_args = 0;
+        va_list ap;
+        int r;
+
+        assert(bus);
+        assert(name);
+        assert(query);
+
+        NULSTR_FOREACH(iter, query)
+                awaited_args++;
+        query_res = newa0(const char *, awaited_args);
+
+        r = bus_call_method(bus, bus_machine_mgr, method, &error, &reply, "s", name);
+        if (r < 0)
+                return log_debug_errno(r, "Failed to call '%s()': %s", method, bus_error_message(&error, 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) {
+                count = 0;
+                NULSTR_FOREACH(iter, query) {
+                        if (streq(k, iter)) {
+                                query_res[count] = v;
+                                break;
+                        }
+                        count++;
+                }
+        }
+        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);
+
+        va_start(ap, query);
+        for (count = 0; count < awaited_args; count++) {
+                char *val, **out;
+
+                out = va_arg(ap, char **);
+                assert(out);
+                if (query_res[count]) {
+                        val = strdup(query_res[count]);
+                        if (!val) {
+                                va_end(ap);
+                                return -ENOMEM;
+                        }
+                        *out = val;
+                }
+        }
+        va_end(ap);
+
+        return 0;
+}
+
+static int call_get_addresses(
+                sd_bus *bus,
+                const char *name,
+                int ifi,
+                const char *prefix,
+                const char *prefix2,
+                char **ret) {
+
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_free_ char *addresses = NULL;
+        unsigned n = 0;
+        int r;
+
+        assert(bus);
+        assert(name);
+        assert(prefix);
+        assert(prefix2);
+
+        r = bus_call_method(bus, bus_machine_mgr, "GetMachineAddresses", NULL, &reply, "s", name);
+        if (r < 0)
+                return log_debug_errno(r, "Could not get addresses: %s", bus_error_message(&error, r));
+
+        addresses = strdup(prefix);
+        if (!addresses)
+                return log_oom();
+        prefix = "";
+
+        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 buf_ifi[1 + DECIMAL_STR_MAX(int)] = "";
+
+                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);
+
+                if (family == AF_INET6 && ifi > 0)
+                        xsprintf(buf_ifi, "%%%i", ifi);
+
+                if (!strextend(&addresses, prefix, IN_ADDR_TO_STRING(family, a), buf_ifi))
+                        return log_oom();
+
+                r = sd_bus_message_exit_container(reply);
+                if (r < 0)
+                        return bus_log_parse_error(r);
+
+                prefix = prefix2;
+
+                n++;
+        }
+        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);
+
+        *ret = TAKE_PTR(addresses);
+        return (int) n;
+}
+
+static int show_table(Table *table, const char *word) {
+        int r;
+
+        assert(table);
+        assert(word);
+
+        if (table_get_rows(table) > 1 || OUTPUT_MODE_IS_JSON(arg_output)) {
+                r = table_set_sort(table, (size_t) 0);
+                if (r < 0)
+                        return table_log_sort_error(r);
+
+                table_set_header(table, arg_legend);
+
+                if (OUTPUT_MODE_IS_JSON(arg_output))
+                        r = table_print_json(table, NULL, output_mode_to_json_format_flags(arg_output) | JSON_FORMAT_COLOR_AUTO);
+                else
+                        r = table_print(table, NULL);
+                if (r < 0)
+                        return table_log_print_error(r);
+        }
+
+        if (arg_legend) {
+                if (table_get_rows(table) > 1)
+                        printf("\n%zu %s listed.\n", table_get_rows(table) - 1, word);
+                else
+                        printf("No %s.\n", word);
+        }
+
+        return 0;
+}
+
+static int list_machines(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_(table_unrefp) Table *table = NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        pager_open(arg_pager_flags);
+
+        r = bus_call_method(bus, bus_machine_mgr, "ListMachines", &error, &reply, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Could not get machines: %s", bus_error_message(&error, r));
+
+        table = table_new("machine", "class", "service", "os", "version",
+                          arg_max_addresses > 0 ? "addresses" : NULL);
+        if (!table)
+                return log_oom();
+
+        table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+        if (!arg_full && arg_max_addresses > 0 && arg_max_addresses < UINT_MAX)
+                table_set_cell_height_max(table, arg_max_addresses);
+
+        if (arg_full)
+                table_set_width(table, 0);
+
+        r = sd_bus_message_enter_container(reply, 'a', "(ssso)");
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        for (;;) {
+                _cleanup_free_ char *os = NULL, *version_id = NULL, *addresses = NULL;
+                const char *name, *class, *service;
+
+                r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, NULL);
+                if (r < 0)
+                        return bus_log_parse_error(r);
+                if (r == 0)
+                        break;
+
+                if (name[0] == '.' && !arg_all)
+                        continue;
+
+                (void) call_get_os_release(
+                                bus,
+                                "GetMachineOSRelease",
+                                name,
+                                "ID\0"
+                                "VERSION_ID\0",
+                                &os,
+                                &version_id);
+
+                r = table_add_many(table,
+                                   TABLE_STRING, empty_to_null(name),
+                                   TABLE_STRING, empty_to_null(class),
+                                   TABLE_STRING, empty_to_null(service),
+                                   TABLE_STRING, empty_to_null(os),
+                                   TABLE_STRING, empty_to_null(version_id));
+                if (r < 0)
+                        return table_log_add_error(r);
+
+                if (arg_max_addresses > 0) {
+                        (void) call_get_addresses(bus, name, 0, "", "\n", &addresses);
+
+                        r = table_add_many(table,
+                                           TABLE_STRING, empty_to_null(addresses));
+                        if (r < 0)
+                                return table_log_add_error(r);
+                }
+        }
+
+        r = sd_bus_message_exit_container(reply);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        return show_table(table, "machines");
+}
+
+static int list_images(int argc, char *argv[], void *userdata) {
+
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_(table_unrefp) Table *table = NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        pager_open(arg_pager_flags);
+
+        r = bus_call_method(bus, bus_machine_mgr, "ListImages", &error, &reply, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Could not get images: %s", bus_error_message(&error, r));
+
+        table = table_new("name", "type", "ro", "usage", "created", "modified");
+        if (!table)
+                return log_oom();
+
+        if (arg_full)
+                table_set_width(table, 0);
+
+        (void) table_set_align_percent(table, TABLE_HEADER_CELL(3), 100);
+
+        r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssbttto)");
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        for (;;) {
+                uint64_t crtime, mtime, size;
+                const char *name, *type;
+                int ro_int;
+
+                r = sd_bus_message_read(reply, "(ssbttto)", &name, &type, &ro_int, &crtime, &mtime, &size, NULL);
+                if (r < 0)
+                        return bus_log_parse_error(r);
+                if (r == 0)
+                        break;
+
+                if (name[0] == '.' && !arg_all)
+                        continue;
+
+                r = table_add_many(table,
+                                   TABLE_STRING, name,
+                                   TABLE_STRING, type,
+                                   TABLE_BOOLEAN, ro_int,
+                                   TABLE_SET_COLOR, ro_int ? ansi_highlight_red() : NULL,
+                                   TABLE_SIZE, size,
+                                   TABLE_TIMESTAMP, crtime,
+                                   TABLE_TIMESTAMP, mtime);
+                if (r < 0)
+                        return table_log_add_error(r);
+        }
+
+        r = sd_bus_message_exit_container(reply);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        return show_table(table, "images");
+}
+
+static int show_unit_cgroup(sd_bus *bus, const char *unit, pid_t leader) {
+        _cleanup_free_ char *cgroup = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        int r;
+        unsigned c;
+
+        assert(bus);
+        assert(unit);
+
+        r = show_cgroup_get_unit_path_and_warn(bus, unit, &cgroup);
+        if (r < 0)
+                return r;
+
+        if (isempty(cgroup))
+                return 0;
+
+        c = columns();
+        if (c > 18)
+                c -= 18;
+        else
+                c = 0;
+
+        r = unit_show_processes(bus, unit, cgroup, "\t\t  ", c, get_output_flags(), &error);
+        if (r == -EBADR) {
+
+                if (arg_transport == BUS_TRANSPORT_REMOTE)
+                        return 0;
+
+                /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
+
+                if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup) != 0 && leader <= 0)
+                        return 0;
+
+                show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t  ", c, &leader, leader > 0, get_output_flags());
+        } else if (r < 0)
+                return log_error_errno(r, "Failed to dump process list: %s", bus_error_message(&error, r));
+
+        return 0;
+}
+
+static int print_os_release(sd_bus *bus, const char *method, const char *name, const char *prefix) {
+        _cleanup_free_ char *pretty = NULL;
+        int r;
+
+        assert(bus);
+        assert(name);
+        assert(prefix);
+
+        r = call_get_os_release(bus, method, name, "PRETTY_NAME\0", &pretty, NULL);
+        if (r < 0)
+                return r;
+
+        if (pretty)
+                printf("%s%s\n", prefix, pretty);
+
+        return 0;
+}
+
+static int print_uid_shift(sd_bus *bus, const char *name) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        uint32_t shift;
+        int r;
+
+        assert(bus);
+        assert(name);
+
+        r = bus_call_method(bus, bus_machine_mgr, "GetMachineUIDShift", &error, &reply, "s", name);
+        if (r < 0)
+                return log_debug_errno(r, "Failed to query UID/GID shift: %s", bus_error_message(&error, r));
+
+        r = sd_bus_message_read(reply, "u", &shift);
+        if (r < 0)
+                return r;
+
+        if (shift == 0) /* Don't show trivial mappings */
+                return 0;
+
+        printf("  UID Shift: %" PRIu32 "\n", shift);
+        return 0;
+}
+
+typedef struct MachineStatusInfo {
+        const char *name;
+        sd_id128_t id;
+        const char *class;
+        const char *service;
+        const char *unit;
+        const char *root_directory;
+        pid_t leader;
+        struct dual_timestamp timestamp;
+        int *netif;
+        size_t n_netif;
+} MachineStatusInfo;
+
+static void machine_status_info_clear(MachineStatusInfo *info) {
+        if (info) {
+                free(info->netif);
+                zero(*info);
+        }
+}
+
+static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) {
+        _cleanup_free_ char *addresses = NULL, *s1 = NULL, *s2 = NULL;
+        int ifi = -1;
+
+        assert(bus);
+        assert(i);
+
+        fputs(strna(i->name), stdout);
+
+        if (!sd_id128_is_null(i->id))
+                printf("(" SD_ID128_FORMAT_STR ")\n", SD_ID128_FORMAT_VAL(i->id));
+        else
+                putchar('\n');
+
+        s1 = strdup(strempty(FORMAT_TIMESTAMP_RELATIVE(i->timestamp.realtime)));
+        s2 = strdup(strempty(FORMAT_TIMESTAMP(i->timestamp.realtime)));
+
+        if (!isempty(s1))
+                printf("\t   Since: %s; %s\n", strna(s2), s1);
+        else if (!isempty(s2))
+                printf("\t   Since: %s\n", s2);
+
+        if (i->leader > 0) {
+                _cleanup_free_ char *t = NULL;
+
+                printf("\t  Leader: %u", (unsigned) i->leader);
+
+                (void) pid_get_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) {
+                fputs("\t   Iface:", stdout);
+
+                for (size_t c = 0; c < i->n_netif; c++) {
+                        char name[IF_NAMESIZE];
+
+                        if (format_ifname(i->netif[c], name) >= 0) {
+                                fputc(' ', stdout);
+                                fputs(name, stdout);
+
+                                if (ifi < 0)
+                                        ifi = i->netif[c];
+                                else
+                                        ifi = 0;
+                        } else
+                                printf(" %i", i->netif[c]);
+                }
+
+                fputc('\n', stdout);
+        }
+
+        if (call_get_addresses(bus, i->name, ifi,
+                               "\t Address: ", "\n\t          ",
+                               &addresses) > 0) {
+                fputs(addresses, stdout);
+                fputc('\n', stdout);
+        }
+
+        print_os_release(bus, "GetMachineOSRelease", i->name, "\t      OS: ");
+
+        print_uid_shift(bus, i->name);
+
+        if (i->unit) {
+                printf("\t    Unit: %s\n", i->unit);
+                show_unit_cgroup(bus, i->unit, i->leader);
+
+                if (arg_transport == BUS_TRANSPORT_LOCAL)
+
+                        show_journal_by_unit(
+                                        stdout,
+                                        i->unit,
+                                        NULL,
+                                        arg_output,
+                                        0,
+                                        i->timestamp.monotonic,
+                                        arg_lines,
+                                        0,
+                                        get_output_flags() | OUTPUT_BEGIN_NEWLINE,
+                                        SD_JOURNAL_LOCAL_ONLY,
+                                        true,
+                                        NULL);
+        }
+}
+
+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_machine_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.realtime)  },
+                { "TimestampMonotonic", "t",  NULL,          offsetof(MachineStatusInfo, timestamp.monotonic) },
+                { "Id",                 "ay", bus_map_id128, offsetof(MachineStatusInfo, id)                  },
+                { "NetworkInterfaces",  "ai", map_netif,     0                                                },
+                {}
+        };
+
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        _cleanup_(machine_status_info_clear) MachineStatusInfo info = {};
+        int r;
+
+        assert(verb);
+        assert(bus);
+        assert(path);
+        assert(new_line);
+
+        r = bus_map_all_properties(bus,
+                                   "org.freedesktop.machine1",
+                                   path,
+                                   map,
+                                   0,
+                                   &error,
+                                   &m,
+                                   &info);
+        if (r < 0)
+                return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
+
+        if (*new_line)
+                printf("\n");
+        *new_line = true;
+
+        print_machine_status_info(bus, &info);
+
+        return r;
+}
+
+static int show_machine_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, NULL, arg_property, arg_print_flags, NULL);
+        if (r < 0)
+                log_error_errno(r, "Could not get properties: %m");
+
+        return r;
+}
+
+static int show_machine(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        bool properties, new_line = false;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r = 0;
+
+        properties = !strstr(argv[0], "status");
+
+        pager_open(arg_pager_flags);
+
+        if (properties && argc <= 1) {
+
+                /* If no argument is specified, inspect the manager
+                 * itself */
+                r = show_machine_properties(bus, "/org/freedesktop/machine1", &new_line);
+                if (r < 0)
+                        return r;
+        }
+
+        for (int i = 1; i < argc; i++) {
+                _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+                const char *path = NULL;
+
+                r = bus_call_method(bus, bus_machine_mgr, "GetMachine", &error, &reply, "s", argv[i]);
+                if (r < 0)
+                        return log_error_errno(r, "Could not get path to machine: %s", bus_error_message(&error, r));
+
+                r = sd_bus_message_read(reply, "o", &path);
+                if (r < 0)
+                        return bus_log_parse_error(r);
+
+                if (properties)
+                        r = show_machine_properties(bus, path, &new_line);
+                else
+                        r = show_machine_info(argv[0], bus, path, &new_line);
+        }
+
+        return r;
+}
+
+static int print_image_hostname(sd_bus *bus, const char *name) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        const char *hn;
+        int r;
+
+        r = bus_call_method(bus, bus_machine_mgr, "GetImageHostname", NULL, &reply, "s", name);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read(reply, "s", &hn);
+        if (r < 0)
+                return r;
+
+        if (!isempty(hn))
+                printf("\tHostname: %s\n", hn);
+
+        return 0;
+}
+
+static int print_image_machine_id(sd_bus *bus, const char *name) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        sd_id128_t id = SD_ID128_NULL;
+        const void *p;
+        size_t size;
+        int r;
+
+        r = bus_call_method(bus, bus_machine_mgr, "GetImageMachineID", NULL, &reply, "s", name);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read_array(reply, 'y', &p, &size);
+        if (r < 0)
+                return r;
+
+        if (size == sizeof(sd_id128_t))
+                memcpy(&id, p, size);
+
+        if (!sd_id128_is_null(id))
+                printf("      Machine ID: " SD_ID128_FORMAT_STR "\n", SD_ID128_FORMAT_VAL(id));
+
+        return 0;
+}
+
+static int print_image_machine_info(sd_bus *bus, const char *name) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        int r;
+
+        r = bus_call_method(bus, bus_machine_mgr, "GetImageMachineInfo", NULL, &reply, "s", name);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_enter_container(reply, 'a', "{ss}");
+        if (r < 0)
+                return r;
+
+        for (;;) {
+                const char *p, *q;
+
+                r = sd_bus_message_read(reply, "{ss}", &p, &q);
+                if (r < 0)
+                        return r;
+                if (r == 0)
+                        break;
+
+                if (streq(p, "DEPLOYMENT"))
+                        printf("      Deployment: %s\n", q);
+        }
+
+        r = sd_bus_message_exit_container(reply);
+        if (r < 0)
+                return r;
+
+        return 0;
+}
+
+typedef struct ImageStatusInfo {
+        const char *name;
+        const char *path;
+        const char *type;
+        bool read_only;
+        usec_t crtime;
+        usec_t mtime;
+        uint64_t usage;
+        uint64_t limit;
+        uint64_t usage_exclusive;
+        uint64_t limit_exclusive;
+} ImageStatusInfo;
+
+static void print_image_status_info(sd_bus *bus, ImageStatusInfo *i) {
+        assert(bus);
+        assert(i);
+
+        if (i->name) {
+                fputs(i->name, stdout);
+                putchar('\n');
+        }
+
+        if (i->type)
+                printf("\t    Type: %s\n", i->type);
+
+        if (i->path)
+                printf("\t    Path: %s\n", i->path);
+
+        (void) print_image_hostname(bus, i->name);
+        (void) print_image_machine_id(bus, i->name);
+        (void) print_image_machine_info(bus, i->name);
+
+        print_os_release(bus, "GetImageOSRelease", i->name, "\t      OS: ");
+
+        printf("\t      RO: %s%s%s\n",
+               i->read_only ? ansi_highlight_red() : "",
+               i->read_only ? "read-only" : "writable",
+               i->read_only ? ansi_normal() : "");
+
+        if (timestamp_is_set(i->crtime))
+                printf("\t Created: %s; %s\n",
+                       FORMAT_TIMESTAMP(i->crtime), FORMAT_TIMESTAMP_RELATIVE(i->crtime));
+
+        if (timestamp_is_set(i->mtime))
+                printf("\tModified: %s; %s\n",
+                       FORMAT_TIMESTAMP(i->mtime), FORMAT_TIMESTAMP_RELATIVE(i->mtime));
+
+        if (i->usage != UINT64_MAX) {
+                if (i->usage_exclusive != i->usage && i->usage_exclusive != UINT64_MAX)
+                        printf("\t   Usage: %s (exclusive: %s)\n",
+                               FORMAT_BYTES(i->usage), FORMAT_BYTES(i->usage_exclusive));
+                else
+                        printf("\t   Usage: %s\n", FORMAT_BYTES(i->usage));
+        }
+
+        if (i->limit != UINT64_MAX) {
+                if (i->limit_exclusive != i->limit && i->limit_exclusive != UINT64_MAX)
+                        printf("\t   Limit: %s (exclusive: %s)\n",
+                               FORMAT_BYTES(i->limit), FORMAT_BYTES(i->limit_exclusive));
+                else
+                        printf("\t   Limit: %s\n", FORMAT_BYTES(i->limit));
+        }
+}
+
+static int show_image_info(sd_bus *bus, const char *path, bool *new_line) {
+
+        static const struct bus_properties_map map[]  = {
+                { "Name",                  "s",  NULL, offsetof(ImageStatusInfo, name)            },
+                { "Path",                  "s",  NULL, offsetof(ImageStatusInfo, path)            },
+                { "Type",                  "s",  NULL, offsetof(ImageStatusInfo, type)            },
+                { "ReadOnly",              "b",  NULL, offsetof(ImageStatusInfo, read_only)       },
+                { "CreationTimestamp",     "t",  NULL, offsetof(ImageStatusInfo, crtime)          },
+                { "ModificationTimestamp", "t",  NULL, offsetof(ImageStatusInfo, mtime)           },
+                { "Usage",                 "t",  NULL, offsetof(ImageStatusInfo, usage)           },
+                { "Limit",                 "t",  NULL, offsetof(ImageStatusInfo, limit)           },
+                { "UsageExclusive",        "t",  NULL, offsetof(ImageStatusInfo, usage_exclusive) },
+                { "LimitExclusive",        "t",  NULL, offsetof(ImageStatusInfo, limit_exclusive) },
+                {}
+        };
+
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        ImageStatusInfo info = {};
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(new_line);
+
+        r = bus_map_all_properties(bus,
+                                   "org.freedesktop.machine1",
+                                   path,
+                                   map,
+                                   BUS_MAP_BOOLEAN_AS_BOOL,
+                                   &error,
+                                   &m,
+                                   &info);
+        if (r < 0)
+                return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
+
+        if (*new_line)
+                printf("\n");
+        *new_line = true;
+
+        print_image_status_info(bus, &info);
+
+        return r;
+}
+
+typedef struct PoolStatusInfo {
+        const char *path;
+        uint64_t usage;
+        uint64_t limit;
+} PoolStatusInfo;
+
+static void print_pool_status_info(sd_bus *bus, PoolStatusInfo *i) {
+        if (i->path)
+                printf("\t    Path: %s\n", i->path);
+
+        if (i->usage != UINT64_MAX)
+                printf("\t   Usage: %s\n", FORMAT_BYTES(i->usage));
+
+        if (i->limit != UINT64_MAX)
+                printf("\t   Limit: %s\n", FORMAT_BYTES(i->limit));
+}
+
+static int show_pool_info(sd_bus *bus) {
+
+        static const struct bus_properties_map map[]  = {
+                { "PoolPath",  "s",  NULL, offsetof(PoolStatusInfo, path)  },
+                { "PoolUsage", "t",  NULL, offsetof(PoolStatusInfo, usage) },
+                { "PoolLimit", "t",  NULL, offsetof(PoolStatusInfo, limit) },
+                {}
+        };
+
+        PoolStatusInfo info = {
+                .usage = UINT64_MAX,
+                .limit = UINT64_MAX,
+        };
+
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        int r;
+
+        assert(bus);
+
+        r = bus_map_all_properties(bus,
+                                   "org.freedesktop.machine1",
+                                   "/org/freedesktop/machine1",
+                                   map,
+                                   0,
+                                   &error,
+                                   &m,
+                                   &info);
+        if (r < 0)
+                return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
+
+        print_pool_status_info(bus, &info);
+
+        return 0;
+}
+
+static int show_image_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, NULL, arg_property, arg_print_flags, NULL);
+        if (r < 0)
+                log_error_errno(r, "Could not get properties: %m");
+
+        return r;
+}
+
+static int show_image(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        bool properties, new_line = false;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r = 0;
+
+        properties = !strstr(argv[0], "status");
+
+        pager_open(arg_pager_flags);
+
+        if (argc <= 1) {
+
+                /* If no argument is specified, inspect the manager
+                 * itself */
+
+                if (properties)
+                        r = show_image_properties(bus, "/org/freedesktop/machine1", &new_line);
+                else
+                        r = show_pool_info(bus);
+                if (r < 0)
+                        return r;
+        }
+
+        for (int i = 1; i < argc; i++) {
+                _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+                const char *path = NULL;
+
+                r = bus_call_method(bus, bus_machine_mgr, "GetImage", &error, &reply, "s", argv[i]);
+                if (r < 0)
+                        return log_error_errno(r, "Could not get path to image: %s", bus_error_message(&error, r));
+
+                r = sd_bus_message_read(reply, "o", &path);
+                if (r < 0)
+                        return bus_log_parse_error(r);
+
+                if (properties)
+                        r = show_image_properties(bus, path, &new_line);
+                else
+                        r = show_image_info(bus, path, &new_line);
+        }
+
+        return r;
+}
+
+static int kill_machine(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        if (!arg_kill_whom)
+                arg_kill_whom = "all";
+
+        for (int i = 1; i < argc; i++) {
+                r = bus_call_method(
+                                bus,
+                                bus_machine_mgr,
+                                "KillMachine",
+                                &error,
+                                NULL,
+                                "ssi", argv[i], arg_kill_whom, arg_signal);
+                if (r < 0)
+                        return log_error_errno(r, "Could not kill machine: %s", bus_error_message(&error, r));
+        }
+
+        return 0;
+}
+
+static int reboot_machine(int argc, char *argv[], void *userdata) {
+        arg_kill_whom = "leader";
+        arg_signal = SIGINT; /* sysvinit + systemd */
+
+        return kill_machine(argc, argv, userdata);
+}
+
+static int poweroff_machine(int argc, char *argv[], void *userdata) {
+        arg_kill_whom = "leader";
+        arg_signal = SIGRTMIN+4; /* only systemd */
+
+        return kill_machine(argc, argv, userdata);
+}
+
+static int terminate_machine(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        for (int i = 1; i < argc; i++) {
+                r = bus_call_method(bus, bus_machine_mgr, "TerminateMachine", &error, NULL, "s", argv[i]);
+                if (r < 0)
+                        return log_error_errno(r, "Could not terminate machine: %s", bus_error_message(&error, r));
+        }
+
+        return 0;
+}
+
+static const char *select_copy_method(bool copy_from, bool force) {
+        if (force)
+                return copy_from ? "CopyFromMachineWithFlags" : "CopyToMachineWithFlags";
+        else
+                return copy_from ? "CopyFromMachine" : "CopyToMachine";
+}
+
+static int copy_files(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        _cleanup_free_ char *abs_host_path = NULL;
+        char *dest, *host_path, *container_path;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        bool copy_from;
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        copy_from = streq(argv[0], "copy-from");
+        dest = argv[3] ?: argv[2];
+        host_path = copy_from ? dest : argv[2];
+        container_path = copy_from ? argv[2] : dest;
+
+        if (!path_is_absolute(host_path)) {
+                r = path_make_absolute_cwd(host_path, &abs_host_path);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to make path absolute: %m");
+
+                host_path = abs_host_path;
+        }
+
+        r = bus_message_new_method_call(
+                        bus,
+                        &m,
+                        bus_machine_mgr,
+                        select_copy_method(copy_from, arg_force));
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append(
+                        m,
+                        "sss",
+                        argv[1],
+                        copy_from ? container_path : host_path,
+                        copy_from ? host_path : container_path);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        if (arg_force) {
+                r = sd_bus_message_append(m, "t", (uint64_t) MACHINE_COPY_REPLACE);
+                if (r < 0)
+                        return bus_log_create_error(r);
+        }
+
+        /* This is a slow operation, hence turn off any method call timeouts */
+        r = sd_bus_call(bus, m, USEC_INFINITY, &error, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to copy: %s", bus_error_message(&error, r));
+
+        return 0;
+}
+
+static int bind_mount(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        r = bus_call_method(
+                        bus,
+                        bus_machine_mgr,
+                        "BindMountMachine",
+                        &error,
+                        NULL,
+                        "sssbb",
+                        argv[1],
+                        argv[2],
+                        argv[3],
+                        arg_read_only,
+                        arg_mkdir);
+        if (r < 0)
+                return log_error_errno(r, "Failed to bind mount: %s", bus_error_message(&error, r));
+
+        return 0;
+}
+
+static int on_machine_removed(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
+        PTYForward ** forward = (PTYForward**) userdata;
+        int r;
+
+        assert(m);
+        assert(forward);
+
+        if (*forward) {
+                /* If the forwarder is already initialized, tell it to
+                 * exit on the next vhangup(), so that we still flush
+                 * out what might be queued and exit then. */
+
+                r = pty_forward_set_ignore_vhangup(*forward, false);
+                if (r >= 0)
+                        return 0;
+
+                log_error_errno(r, "Failed to set ignore_vhangup flag: %m");
+        }
+
+        /* On error, or when the forwarder is not initialized yet, quit immediately */
+        sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), EXIT_FAILURE);
+        return 0;
+}
+
+static int process_forward(sd_event *event, PTYForward **forward, int master, PTYForwardFlags flags, const char *name) {
+        char last_char = 0;
+        bool machine_died;
+        int r;
+
+        assert(event);
+        assert(master >= 0);
+        assert(name);
+
+        assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0);
+
+        if (!arg_quiet) {
+                if (streq(name, ".host"))
+                        log_info("Connected to the local host. Press ^] three times within 1s to exit session.");
+                else
+                        log_info("Connected to machine %s. Press ^] three times within 1s to exit session.", name);
+        }
+
+        (void) sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
+        (void) sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
+
+        r = pty_forward_new(event, master, flags, 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_get_last_char(*forward, &last_char);
+
+        machine_died =
+                (flags & PTY_FORWARD_IGNORE_VHANGUP) &&
+                pty_forward_get_ignore_vhangup(*forward) == 0;
+
+        *forward = pty_forward_free(*forward);
+
+        if (last_char != '\n')
+                fputc('\n', stdout);
+
+        if (!arg_quiet) {
+                if (machine_died)
+                        log_info("Machine %s terminated.", name);
+                else if (streq(name, ".host"))
+                        log_info("Connection to the local host terminated.");
+                else
+                        log_info("Connection to machine %s terminated.", name);
+        }
+
+        return 0;
+}
+
+static int parse_machine_uid(const char *spec, const char **machine, char **uid) {
+        /*
+         * Whatever is specified in the spec takes priority over global arguments.
+         */
+        char *_uid = NULL;
+        const char *_machine = NULL;
+
+        if (spec) {
+                const char *at;
+
+                at = strchr(spec, '@');
+                if (at) {
+                        if (at == spec)
+                                /* Do the same as ssh and refuse "@host". */
+                                return -EINVAL;
+
+                        _machine = at + 1;
+                        _uid = strndup(spec, at - spec);
+                        if (!_uid)
+                                return -ENOMEM;
+                } else
+                        _machine = spec;
+        };
+
+        if (arg_uid && !_uid) {
+                _uid = strdup(arg_uid);
+                if (!_uid)
+                        return -ENOMEM;
+        }
+
+        *uid = _uid;
+        *machine = isempty(_machine) ? ".host" : _machine;
+        return 0;
+}
+
+static int login_machine(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(pty_forward_freep) PTYForward *forward = NULL;
+        _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot = NULL;
+        _cleanup_(sd_event_unrefp) sd_event *event = NULL;
+        int master = -1, r;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        const char *match, *machine;
+
+        if (!strv_isempty(arg_setenv) || arg_uid)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "--setenv= and --uid= are not supported for 'login'. Use 'shell' instead.");
+
+        if (!IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_MACHINE))
+                return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+                                       "Login only supported on local machines.");
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        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");
+
+        machine = argc < 2 || isempty(argv[1]) ? ".host" : argv[1];
+
+        match = strjoina("type='signal',"
+                         "sender='org.freedesktop.machine1',"
+                         "path='/org/freedesktop/machine1',",
+                         "interface='org.freedesktop.machine1.Manager',"
+                         "member='MachineRemoved',"
+                         "arg0='", machine, "'");
+
+        r = sd_bus_add_match_async(bus, &slot, match, on_machine_removed, NULL, &forward);
+        if (r < 0)
+                return log_error_errno(r, "Failed to request machine removal match: %m");
+
+        r = bus_call_method(bus, bus_machine_mgr, "OpenMachineLogin", &error, &reply, "s", machine);
+        if (r < 0)
+                return log_error_errno(r, "Failed to get login PTY: %s", bus_error_message(&error, r));
+
+        r = sd_bus_message_read(reply, "hs", &master, NULL);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        return process_forward(event, &forward, master, PTY_FORWARD_IGNORE_VHANGUP, machine);
+}
+
+static int shell_machine(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(pty_forward_freep) PTYForward *forward = NULL;
+        _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot = NULL;
+        _cleanup_(sd_event_unrefp) sd_event *event = NULL;
+        int master = -1, r;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        const char *match, *machine, *path;
+        _cleanup_free_ char *uid = NULL;
+
+        if (!IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_MACHINE))
+                return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+                                       "Shell only supported on local machines.");
+
+        /* Pass $TERM to shell session, if not explicitly specified. */
+        if (!strv_find_prefix(arg_setenv, "TERM=")) {
+                const char *t;
+
+                t = strv_find_prefix(environ, "TERM=");
+                if (t) {
+                        if (strv_extend(&arg_setenv, t) < 0)
+                                return log_oom();
+                }
+        }
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        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 = parse_machine_uid(argc >= 2 ? argv[1] : NULL, &machine, &uid);
+        if (r < 0)
+                return log_error_errno(r, "Failed to parse machine specification: %m");
+
+        match = strjoina("type='signal',"
+                         "sender='org.freedesktop.machine1',"
+                         "path='/org/freedesktop/machine1',",
+                         "interface='org.freedesktop.machine1.Manager',"
+                         "member='MachineRemoved',"
+                         "arg0='", machine, "'");
+
+        r = sd_bus_add_match_async(bus, &slot, match, on_machine_removed, NULL, &forward);
+        if (r < 0)
+                return log_error_errno(r, "Failed to request machine removal match: %m");
+
+        r = bus_message_new_method_call(bus, &m, bus_machine_mgr, "OpenMachineShell");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        path = argc < 3 || isempty(argv[2]) ? NULL : argv[2];
+
+        r = sd_bus_message_append(m, "sss", machine, uid, path);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append_strv(m, strv_length(argv) <= 3 ? NULL : argv + 2);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append_strv(m, arg_setenv);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_call(bus, m, 0, &error, &reply);
+        if (r < 0)
+                return log_error_errno(r, "Failed to get shell PTY: %s", bus_error_message(&error, r));
+
+        r = sd_bus_message_read(reply, "hs", &master, NULL);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        return process_forward(event, &forward, master, 0, machine);
+}
+
+static int normalize_nspawn_filename(const char *name, char **ret_file) {
+        _cleanup_free_ char *file = NULL;
+
+        assert(name);
+        assert(ret_file);
+
+        if (!endswith(name, ".nspawn"))
+                file = strjoin(name, ".nspawn");
+        else
+                file = strdup(name);
+        if (!file)
+                return log_oom();
+
+        if (!filename_is_valid(file))
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid settings file name '%s'.", file);
+
+        *ret_file = TAKE_PTR(file);
+        return 0;
+}
+
+static int get_settings_path(const char *name, char **ret_path) {
+        assert(name);
+        assert(ret_path);
+
+        FOREACH_STRING(i, "/etc/systemd/nspawn", "/run/systemd/nspawn", "/var/lib/machines") {
+                _cleanup_free_ char *path = NULL;
+
+                path = path_join(i, name);
+                if (!path)
+                        return -ENOMEM;
+
+                if (access(path, F_OK) >= 0) {
+                        *ret_path = TAKE_PTR(path);
+                        return 0;
+                }
+        }
+
+        return -ENOENT;
+}
+
+static int edit_settings(int argc, char *argv[], void *userdata) {
+        _cleanup_(edit_file_context_done) EditFileContext context = {};
+        int r;
+
+        if (!on_tty())
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit machine settings if not on a tty.");
+
+        if (arg_transport != BUS_TRANSPORT_LOCAL)
+                return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+                                       "Edit is only supported on the host machine.");
+
+        r = mac_init();
+        if (r < 0)
+                return r;
+
+        STRV_FOREACH(name, strv_skip(argv, 1)) {
+                _cleanup_free_ char *file = NULL, *path = NULL;
+
+                if (path_is_absolute(*name)) {
+                        if (!path_is_safe(*name))
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                                       "Invalid settings file path '%s'.",
+                                                       *name);
+
+                        r = edit_files_add(&context, *name, NULL, NULL);
+                        if (r < 0)
+                                return r;
+                        continue;
+                }
+
+                r = normalize_nspawn_filename(*name, &file);
+                if (r < 0)
+                        return r;
+
+                r = get_settings_path(file, &path);
+                if (r == -ENOENT) {
+                        log_debug("No existing settings file for machine '%s' found, creating a new file.", *name);
+
+                        path = path_join("/etc/systemd/nspawn", file);
+                        if (!path)
+                                return log_oom();
+
+                        r = edit_files_add(&context, path, NULL, NULL);
+                        if (r < 0)
+                                return r;
+                        continue;
+                }
+                if (r < 0)
+                        return log_error_errno(r, "Failed to get the path of the settings file: %m");
+
+                if (path_startswith(path, "/var/lib/machines")) {
+                        _cleanup_free_ char *new_path = NULL;
+
+                        new_path = path_join("/etc/systemd/nspawn", file);
+                        if (!new_path)
+                                return log_oom();
+
+                        r = edit_files_add(&context, new_path, path, NULL);
+                } else
+                        r = edit_files_add(&context, path, NULL, NULL);
+                if (r < 0)
+                        return r;
+        }
+
+        return do_edit_files_and_install(&context);
+}
+
+static int cat_settings(int argc, char *argv[], void *userdata) {
+        int r = 0;
+
+        if (arg_transport != BUS_TRANSPORT_LOCAL)
+                return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+                                       "Cat is only supported on the host machine.");
+
+        pager_open(arg_pager_flags);
+
+        STRV_FOREACH(name, strv_skip(argv, 1)) {
+                _cleanup_free_ char *file = NULL, *path = NULL;
+                int q;
+
+                if (path_is_absolute(*name)) {
+                        if (!path_is_safe(*name))
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                                       "Invalid settings file path '%s'.",
+                                                       *name);
+
+                        q = cat_files(*name, /* dropins = */ NULL, /* flags = */ CAT_FORMAT_HAS_SECTIONS);
+                        if (q < 0)
+                                return r < 0 ? r : q;
+                        continue;
+                }
+
+                q = normalize_nspawn_filename(*name, &file);
+                if (q < 0)
+                        return r < 0 ? r : q;
+
+                q = get_settings_path(file, &path);
+                if (q == -ENOENT) {
+                        log_error_errno(q, "No settings file found for machine '%s'.", *name);
+                        r = r < 0 ? r : q;
+                        continue;
+                }
+                if (q < 0) {
+                        log_error_errno(q, "Failed to get the path of the settings file: %m");
+                        return r < 0 ? r : q;
+                }
+
+                q = cat_files(path, /* dropins = */ NULL, /* flags = */ CAT_FORMAT_HAS_SECTIONS);
+                if (q < 0)
+                        return r < 0 ? r : q;
+        }
+
+        return r;
+}
+
+static int remove_image(int argc, char *argv[], void *userdata) {
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        for (int i = 1; i < argc; i++) {
+                _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+                _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+
+                r = bus_message_new_method_call(bus, &m, bus_machine_mgr, "RemoveImage");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                r = sd_bus_message_append(m, "s", argv[i]);
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                /* This is a slow operation, hence turn off any method call timeouts */
+                r = sd_bus_call(bus, m, USEC_INFINITY, &error, NULL);
+                if (r < 0)
+                        return log_error_errno(r, "Could not remove image: %s", bus_error_message(&error, r));
+        }
+
+        return 0;
+}
+
+static int rename_image(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        r = bus_call_method(
+                        bus,
+                        bus_machine_mgr,
+                        "RenameImage",
+                        &error,
+                        NULL,
+                        "ss", argv[1], argv[2]);
+        if (r < 0)
+                return log_error_errno(r, "Could not rename image: %s", bus_error_message(&error, r));
+
+        return 0;
+}
+
+static int clone_image(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        r = bus_message_new_method_call(bus, &m, bus_machine_mgr, "CloneImage");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append(m, "ssb", argv[1], argv[2], arg_read_only);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        /* This is a slow operation, hence turn off any method call timeouts */
+        r = sd_bus_call(bus, m, USEC_INFINITY, &error, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Could not clone image: %s", bus_error_message(&error, r));
+
+        return 0;
+}
+
+static int read_only_image(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int b = true, r;
+
+        if (argc > 2) {
+                b = parse_boolean(argv[2]);
+                if (b < 0)
+                        return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                               "Failed to parse boolean argument: %s",
+                                               argv[2]);
+        }
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        r = bus_call_method(bus, bus_machine_mgr, "MarkImageReadOnly", &error, NULL, "sb", argv[1], b);
+        if (r < 0)
+                return log_error_errno(r, "Could not mark image read-only: %s", bus_error_message(&error, r));
+
+        return 0;
+}
+
+static int image_exists(sd_bus *bus, const char *name) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        int r;
+
+        assert(bus);
+        assert(name);
+
+        r = bus_call_method(bus, bus_machine_mgr, "GetImage", &error, NULL, "s", name);
+        if (r < 0) {
+                if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_IMAGE))
+                        return 0;
+
+                return log_error_errno(r, "Failed to check whether image %s exists: %s", name, bus_error_message(&error, r));
+        }
+
+        return 1;
+}
+
+static int make_service_name(const char *name, char **ret) {
+        int r;
+
+        assert(name);
+        assert(ret);
+
+        if (!hostname_is_valid(name, 0))
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Invalid machine name %s.", name);
+
+        r = unit_name_build("systemd-nspawn", name, ".service", ret);
+        if (r < 0)
+                return log_error_errno(r, "Failed to build unit name: %m");
+
+        return 0;
+}
+
+static int start_machine(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+        ask_password_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        r = bus_wait_for_jobs_new(bus, &w);
+        if (r < 0)
+                return log_error_errno(r, "Could not watch jobs: %m");
+
+        for (int i = 1; i < argc; i++) {
+                _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+                _cleanup_free_ char *unit = NULL;
+                const char *object;
+
+                r = make_service_name(argv[i], &unit);
+                if (r < 0)
+                        return r;
+
+                r = image_exists(bus, argv[i]);
+                if (r < 0)
+                        return r;
+                if (r == 0)
+                        return log_error_errno(SYNTHETIC_ERRNO(ENXIO),
+                                               "Machine image '%s' does not exist.",
+                                               argv[i]);
+
+                r = bus_call_method(
+                                bus,
+                                bus_systemd_mgr,
+                                "StartUnit",
+                                &error,
+                                &reply,
+                                "ss", unit, "fail");
+                if (r < 0)
+                        return log_error_errno(r, "Failed to start unit: %s", bus_error_message(&error, r));
+
+                r = sd_bus_message_read(reply, "o", &object);
+                if (r < 0)
+                        return bus_log_parse_error(r);
+
+                r = bus_wait_for_jobs_add(w, object);
+                if (r < 0)
+                        return log_oom();
+        }
+
+        r = bus_wait_for_jobs(w, arg_quiet, NULL);
+        if (r < 0)
+                return r;
+
+        return 0;
+}
+
+static int enable_machine(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        const char *method;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+        bool enable;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        enable = streq(argv[0], "enable");
+        method = enable ? "EnableUnitFiles" : "DisableUnitFiles";
+
+        r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_open_container(m, 'a', "s");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        if (enable) {
+                r = sd_bus_message_append(m, "s", "machines.target");
+                if (r < 0)
+                        return bus_log_create_error(r);
+        }
+
+        for (int i = 1; i < argc; i++) {
+                _cleanup_free_ char *unit = NULL;
+
+                r = make_service_name(argv[i], &unit);
+                if (r < 0)
+                        return r;
+
+                r = image_exists(bus, argv[i]);
+                if (r < 0)
+                        return r;
+                if (r == 0)
+                        return log_error_errno(SYNTHETIC_ERRNO(ENXIO),
+                                               "Machine image '%s' does not exist.",
+                                               argv[i]);
+
+                r = sd_bus_message_append(m, "s", unit);
+                if (r < 0)
+                        return bus_log_create_error(r);
+        }
+
+        r = sd_bus_message_close_container(m);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        if (enable)
+                r = sd_bus_message_append(m, "bb", false, false);
+        else
+                r = sd_bus_message_append(m, "b", false);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_call(bus, m, 0, &error, &reply);
+        if (r < 0)
+                return log_error_errno(r, "Failed to enable or disable unit: %s", bus_error_message(&error, r));
+
+        if (enable) {
+                r = sd_bus_message_read(reply, "b", NULL);
+                if (r < 0)
+                        return bus_log_parse_error(r);
+        }
+
+        r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
+        if (r < 0)
+                return r;
+
+        r = bus_service_manager_reload(bus);
+        if (r < 0)
+                return r;
+
+        if (arg_now) {
+                _cleanup_strv_free_ char **new_args = NULL;
+
+                new_args = strv_new(enable ? "start" : "poweroff");
+                if (!new_args)
+                        return log_oom();
+
+                r = strv_extend_strv(&new_args, argv + 1, /* filter_duplicates = */ false);
+                if (r < 0)
+                        return log_oom();
+
+                if (enable)
+                        return start_machine(strv_length(new_args), new_args, userdata);
+
+                return poweroff_machine(strv_length(new_args), new_args, userdata);
+        }
+
+        return 0;
+}
+
+static int match_log_message(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+        const char **our_path = userdata, *line;
+        unsigned priority;
+        int r;
+
+        assert(m);
+        assert(our_path);
+
+        r = sd_bus_message_read(m, "us", &priority, &line);
+        if (r < 0) {
+                bus_log_parse_error(r);
+                return 0;
+        }
+
+        if (!streq_ptr(*our_path, sd_bus_message_get_path(m)))
+                return 0;
+
+        if (arg_quiet && LOG_PRI(priority) >= LOG_INFO)
+                return 0;
+
+        log_full(priority, "%s", line);
+        return 0;
+}
+
+static int match_transfer_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+        const char **our_path = userdata, *path, *result;
+        uint32_t id;
+        int r;
+
+        assert(m);
+        assert(our_path);
+
+        r = sd_bus_message_read(m, "uos", &id, &path, &result);
+        if (r < 0) {
+                bus_log_parse_error(r);
+                return 0;
+        }
+
+        if (!streq_ptr(*our_path, path))
+                return 0;
+
+        sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), !streq_ptr(result, "done"));
+        return 0;
+}
+
+static int transfer_signal_handler(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
+        assert(s);
+        assert(si);
+
+        if (!arg_quiet)
+                log_info("Continuing download in the background. Use \"machinectl cancel-transfer %" PRIu32 "\" to abort transfer.", PTR_TO_UINT32(userdata));
+
+        sd_event_exit(sd_event_source_get_event(s), EINTR);
+        return 0;
+}
+
+static int transfer_image_common(sd_bus *bus, sd_bus_message *m) {
+        _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_job_removed = NULL, *slot_log_message = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_(sd_event_unrefp) sd_event* event = NULL;
+        const char *path = NULL;
+        uint32_t id;
+        int r;
+
+        assert(bus);
+        assert(m);
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        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 = bus_match_signal_async(
+                        bus,
+                        &slot_job_removed,
+                        bus_import_mgr,
+                        "TransferRemoved",
+                        match_transfer_removed, NULL, &path);
+        if (r < 0)
+                return log_error_errno(r, "Failed to request match: %m");
+
+        r = sd_bus_match_signal_async(
+                        bus,
+                        &slot_log_message,
+                        "org.freedesktop.import1",
+                        NULL,
+                        "org.freedesktop.import1.Transfer",
+                        "LogMessage",
+                        match_log_message, NULL, &path);
+        if (r < 0)
+                return log_error_errno(r, "Failed to request match: %m");
+
+        r = sd_bus_call(bus, m, 0, &error, &reply);
+        if (r < 0)
+                return log_error_errno(r, "Failed to transfer image: %s", bus_error_message(&error, r));
+
+        r = sd_bus_message_read(reply, "uo", &id, &path);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0);
+
+        if (!arg_quiet)
+                log_info("Enqueued transfer job %u. Press C-c to continue download in background.", id);
+
+        (void) sd_event_add_signal(event, NULL, SIGINT, transfer_signal_handler, UINT32_TO_PTR(id));
+        (void) sd_event_add_signal(event, NULL, SIGTERM, transfer_signal_handler, UINT32_TO_PTR(id));
+
+        r = sd_event_loop(event);
+        if (r < 0)
+                return log_error_errno(r, "Failed to run event loop: %m");
+
+        return -r;
+}
+
+static int import_tar(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        _cleanup_free_ char *ll = NULL, *fn = NULL;
+        const char *local = NULL, *path = NULL;
+        _cleanup_close_ int fd = -EBADF;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        if (argc >= 2)
+                path = empty_or_dash_to_null(argv[1]);
+
+        if (argc >= 3)
+                local = empty_or_dash_to_null(argv[2]);
+        else if (path) {
+                r = path_extract_filename(path, &fn);
+                if (r < 0)
+                        return log_error_errno(r, "Cannot extract container name from filename: %m");
+                if (r == O_DIRECTORY)
+                        return log_error_errno(SYNTHETIC_ERRNO(EISDIR),
+                                               "Path '%s' refers to directory, but we need a regular file: %m", path);
+
+                local = fn;
+        }
+        if (!local)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Need either path or local name.");
+
+        r = tar_strip_suffixes(local, &ll);
+        if (r < 0)
+                return log_oom();
+
+        local = ll;
+
+        if (!hostname_is_valid(local, 0))
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Local name %s is not a suitable machine name.",
+                                       local);
+
+        if (path) {
+                fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY);
+                if (fd < 0)
+                        return log_error_errno(errno, "Failed to open %s: %m", path);
+        }
+
+        r = bus_message_new_method_call(bus, &m, bus_import_mgr, "ImportTar");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append(
+                        m,
+                        "hsbb",
+                        fd >= 0 ? fd : STDIN_FILENO,
+                        local,
+                        arg_force,
+                        arg_read_only);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        return transfer_image_common(bus, m);
+}
+
+static int import_raw(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        _cleanup_free_ char *ll = NULL, *fn = NULL;
+        const char *local = NULL, *path = NULL;
+        _cleanup_close_ int fd = -EBADF;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        if (argc >= 2)
+                path = empty_or_dash_to_null(argv[1]);
+
+        if (argc >= 3)
+                local = empty_or_dash_to_null(argv[2]);
+        else if (path) {
+                r = path_extract_filename(path, &fn);
+                if (r < 0)
+                        return log_error_errno(r, "Cannot extract container name from filename: %m");
+                if (r == O_DIRECTORY)
+                        return log_error_errno(SYNTHETIC_ERRNO(EISDIR),
+                                               "Path '%s' refers to directory, but we need a regular file: %m", path);
+
+                local = fn;
+        }
+        if (!local)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Need either path or local name.");
+
+        r = raw_strip_suffixes(local, &ll);
+        if (r < 0)
+                return log_oom();
+
+        local = ll;
+
+        if (!hostname_is_valid(local, 0))
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Local name %s is not a suitable machine name.",
+                                       local);
+
+        if (path) {
+                fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY);
+                if (fd < 0)
+                        return log_error_errno(errno, "Failed to open %s: %m", path);
+        }
+
+        r = bus_message_new_method_call(bus, &m, bus_import_mgr, "ImportRaw");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append(
+                        m,
+                        "hsbb",
+                        fd >= 0 ? fd : STDIN_FILENO,
+                        local,
+                        arg_force,
+                        arg_read_only);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        return transfer_image_common(bus, m);
+}
+
+static int import_fs(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        const char *local = NULL, *path = NULL;
+        _cleanup_free_ char *fn = NULL;
+        _cleanup_close_ int fd = -EBADF;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        if (argc >= 2)
+                path = empty_or_dash_to_null(argv[1]);
+
+        if (argc >= 3)
+                local = empty_or_dash_to_null(argv[2]);
+        else if (path) {
+                r = path_extract_filename(path, &fn);
+                if (r < 0)
+                        return log_error_errno(r, "Cannot extract container name from filename: %m");
+
+                local = fn;
+        }
+        if (!local)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Need either path or local name.");
+
+        if (!hostname_is_valid(local, 0))
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Local name %s is not a suitable machine name.",
+                                       local);
+
+        if (path) {
+                fd = open(path, O_DIRECTORY|O_RDONLY|O_CLOEXEC);
+                if (fd < 0)
+                        return log_error_errno(errno, "Failed to open directory '%s': %m", path);
+        }
+
+        r = bus_message_new_method_call(bus, &m, bus_import_mgr, "ImportFileSystem");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append(
+                        m,
+                        "hsbb",
+                        fd >= 0 ? fd : STDIN_FILENO,
+                        local,
+                        arg_force,
+                        arg_read_only);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        return transfer_image_common(bus, m);
+}
+
+static void determine_compression_from_filename(const char *p) {
+        if (arg_format)
+                return;
+
+        if (!p)
+                return;
+
+        if (endswith(p, ".xz"))
+                arg_format = "xz";
+        else if (endswith(p, ".gz"))
+                arg_format = "gzip";
+        else if (endswith(p, ".bz2"))
+                arg_format = "bzip2";
+}
+
+static int export_tar(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        _cleanup_close_ int fd = -EBADF;
+        const char *local = NULL, *path = NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        local = argv[1];
+        if (!hostname_is_valid(local, 0))
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Machine name %s is not valid.", local);
+
+        if (argc >= 3)
+                path = argv[2];
+        path = empty_or_dash_to_null(path);
+
+        if (path) {
+                determine_compression_from_filename(path);
+
+                fd = open(path, O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC|O_NOCTTY, 0666);
+                if (fd < 0)
+                        return log_error_errno(errno, "Failed to open %s: %m", path);
+        }
+
+        r = bus_message_new_method_call(bus, &m, bus_import_mgr, "ExportTar");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append(
+                        m,
+                        "shs",
+                        local,
+                        fd >= 0 ? fd : STDOUT_FILENO,
+                        arg_format);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        return transfer_image_common(bus, m);
+}
+
+static int export_raw(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        _cleanup_close_ int fd = -EBADF;
+        const char *local = NULL, *path = NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        local = argv[1];
+        if (!hostname_is_valid(local, 0))
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Machine name %s is not valid.", local);
+
+        if (argc >= 3)
+                path = argv[2];
+        path = empty_or_dash_to_null(path);
+
+        if (path) {
+                determine_compression_from_filename(path);
+
+                fd = open(path, O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC|O_NOCTTY, 0666);
+                if (fd < 0)
+                        return log_error_errno(errno, "Failed to open %s: %m", path);
+        }
+
+        r = bus_message_new_method_call(bus, &m, bus_import_mgr, "ExportRaw");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append(
+                        m,
+                        "shs",
+                        local,
+                        fd >= 0 ? fd : STDOUT_FILENO,
+                        arg_format);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        return transfer_image_common(bus, m);
+}
+
+static int pull_tar(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        _cleanup_free_ char *l = NULL, *ll = NULL;
+        const char *local, *remote;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        remote = argv[1];
+        if (!http_url_is_valid(remote) && !file_url_is_valid(remote))
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "URL '%s' is not valid.", remote);
+
+        if (argc >= 3)
+                local = argv[2];
+        else {
+                r = import_url_last_component(remote, &l);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to get final component of URL: %m");
+
+                local = l;
+        }
+
+        local = empty_or_dash_to_null(local);
+
+        if (local) {
+                r = tar_strip_suffixes(local, &ll);
+                if (r < 0)
+                        return log_oom();
+
+                local = ll;
+
+                if (!hostname_is_valid(local, 0))
+                        return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                               "Local name %s is not a suitable machine name.",
+                                               local);
+        }
+
+        r = bus_message_new_method_call(bus, &m, bus_import_mgr, "PullTar");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append(
+                        m,
+                        "sssb",
+                        remote,
+                        local,
+                        import_verify_to_string(arg_verify),
+                        arg_force);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        return transfer_image_common(bus, m);
+}
+
+static int pull_raw(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        _cleanup_free_ char *l = NULL, *ll = NULL;
+        const char *local, *remote;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        remote = argv[1];
+        if (!http_url_is_valid(remote) && !file_url_is_valid(remote))
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "URL '%s' is not valid.", remote);
+
+        if (argc >= 3)
+                local = argv[2];
+        else {
+                r = import_url_last_component(remote, &l);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to get final component of URL: %m");
+
+                local = l;
+        }
+
+        local = empty_or_dash_to_null(local);
+
+        if (local) {
+                r = raw_strip_suffixes(local, &ll);
+                if (r < 0)
+                        return log_oom();
+
+                local = ll;
+
+                if (!hostname_is_valid(local, 0))
+                        return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                               "Local name %s is not a suitable machine name.",
+                                               local);
+        }
+
+        r = bus_message_new_method_call(bus, &m, bus_import_mgr, "PullRaw");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append(
+                        m,
+                        "sssb",
+                        remote,
+                        local,
+                        import_verify_to_string(arg_verify),
+                        arg_force);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        return transfer_image_common(bus, m);
+}
+
+typedef struct TransferInfo {
+        uint32_t id;
+        const char *type;
+        const char *remote;
+        const char *local;
+        double progress;
+} TransferInfo;
+
+static int compare_transfer_info(const TransferInfo *a, const TransferInfo *b) {
+        return strcmp(a->local, b->local);
+}
+
+static int list_transfers(int argc, char *argv[], void *userdata) {
+        size_t max_type = STRLEN("TYPE"), max_local = STRLEN("LOCAL"), max_remote = STRLEN("REMOTE");
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_free_ TransferInfo *transfers = NULL;
+        const char *type, *remote, *local;
+        sd_bus *bus = userdata;
+        uint32_t id, max_id = 0;
+        size_t n_transfers = 0;
+        double progress;
+        int r;
+
+        pager_open(arg_pager_flags);
+
+        r = bus_call_method(bus, bus_import_mgr, "ListTransfers", &error, &reply, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Could not get transfers: %s", bus_error_message(&error, r));
+
+        r = sd_bus_message_enter_container(reply, 'a', "(usssdo)");
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        while ((r = sd_bus_message_read(reply, "(usssdo)", &id, &type, &remote, &local, &progress, NULL)) > 0) {
+                size_t l;
+
+                if (!GREEDY_REALLOC(transfers, n_transfers + 1))
+                        return log_oom();
+
+                transfers[n_transfers].id = id;
+                transfers[n_transfers].type = type;
+                transfers[n_transfers].remote = remote;
+                transfers[n_transfers].local = local;
+                transfers[n_transfers].progress = progress;
+
+                l = strlen(type);
+                if (l > max_type)
+                        max_type = l;
+
+                l = strlen(remote);
+                if (l > max_remote)
+                        max_remote = l;
+
+                l = strlen(local);
+                if (l > max_local)
+                        max_local = l;
+
+                if (id > max_id)
+                        max_id = id;
+
+                n_transfers++;
+        }
+        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);
+
+        typesafe_qsort(transfers, n_transfers, compare_transfer_info);
+
+        if (arg_legend && n_transfers > 0)
+                printf("%-*s %-*s %-*s %-*s %-*s\n",
+                       (int) MAX(2U, DECIMAL_STR_WIDTH(max_id)), "ID",
+                       (int) 7, "PERCENT",
+                       (int) max_type, "TYPE",
+                       (int) max_local, "LOCAL",
+                       (int) max_remote, "REMOTE");
+
+        for (size_t j = 0; j < n_transfers; j++)
+
+                if (transfers[j].progress < 0)
+                        printf("%*" PRIu32 " %*s %-*s %-*s %-*s\n",
+                               (int) MAX(2U, DECIMAL_STR_WIDTH(max_id)), transfers[j].id,
+                               (int) 7, "n/a",
+                               (int) max_type, transfers[j].type,
+                               (int) max_local, transfers[j].local,
+                               (int) max_remote, transfers[j].remote);
+                else
+                        printf("%*" PRIu32 " %*u%% %-*s %-*s %-*s\n",
+                               (int) MAX(2U, DECIMAL_STR_WIDTH(max_id)), transfers[j].id,
+                               (int) 6, (unsigned) (transfers[j].progress * 100),
+                               (int) max_type, transfers[j].type,
+                               (int) max_local, transfers[j].local,
+                               (int) max_remote, transfers[j].remote);
+
+        if (arg_legend) {
+                if (n_transfers > 0)
+                        printf("\n%zu transfers listed.\n", n_transfers);
+                else
+                        printf("No transfers.\n");
+        }
+
+        return 0;
+}
+
+static int cancel_transfer(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        sd_bus *bus = ASSERT_PTR(userdata);
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        for (int i = 1; i < argc; i++) {
+                uint32_t id;
+
+                r = safe_atou32(argv[i], &id);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to parse transfer id: %s", argv[i]);
+
+                r = bus_call_method(bus, bus_import_mgr, "CancelTransfer", &error, NULL, "u", id);
+                if (r < 0)
+                        return log_error_errno(r, "Could not cancel transfer: %s", bus_error_message(&error, r));
+        }
+
+        return 0;
+}
+
+static int set_limit(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        sd_bus *bus = userdata;
+        uint64_t limit;
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        if (STR_IN_SET(argv[argc-1], "-", "none", "infinity"))
+                limit = UINT64_MAX;
+        else {
+                r = parse_size(argv[argc-1], 1024, &limit);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to parse size: %s", argv[argc-1]);
+        }
+
+        if (argc > 2)
+                /* With two arguments changes the quota limit of the
+                 * specified image */
+                r = bus_call_method(bus, bus_machine_mgr, "SetImageLimit", &error, NULL, "st", argv[1], limit);
+        else
+                /* With one argument changes the pool quota limit */
+                r = bus_call_method(bus, bus_machine_mgr, "SetPoolLimit", &error, NULL, "t", limit);
+
+        if (r < 0)
+                return log_error_errno(r, "Could not set limit: %s", bus_error_message(&error, r));
+
+        return 0;
+}
+
+static int clean_images(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        uint64_t usage, total = 0;
+        sd_bus *bus = userdata;
+        const char *name;
+        unsigned c = 0;
+        int r;
+
+        polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+        r = bus_message_new_method_call(bus, &m, bus_machine_mgr, "CleanPool");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append(m, "s", arg_all ? "all" : "hidden");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        /* This is a slow operation, hence permit a longer time for completion. */
+        r = sd_bus_call(bus, m, USEC_INFINITY, &error, &reply);
+        if (r < 0)
+                return log_error_errno(r, "Could not clean pool: %s", bus_error_message(&error, r));
+
+        r = sd_bus_message_enter_container(reply, 'a', "(st)");
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        while ((r = sd_bus_message_read(reply, "(st)", &name, &usage)) > 0) {
+                if (usage == UINT64_MAX) {
+                        log_info("Removed image '%s'", name);
+                        total = UINT64_MAX;
+                } else {
+                        log_info("Removed image '%s'. Freed exclusive disk space: %s",
+                                 name, FORMAT_BYTES(usage));
+                        if (total != UINT64_MAX)
+                                total += usage;
+                }
+                c++;
+        }
+
+        r = sd_bus_message_exit_container(reply);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        if (total == UINT64_MAX)
+                log_info("Removed %u images in total.", c);
+        else
+                log_info("Removed %u images in total. Total freed exclusive disk space: %s.",
+                         c, FORMAT_BYTES(total));
+
+        return 0;
+}
+
+static int help(int argc, char *argv[], void *userdata) {
+        _cleanup_free_ char *link = NULL;
+        int r;
+
+        pager_open(arg_pager_flags);
+
+        r = terminal_urlify_man("machinectl", "1", &link);
+        if (r < 0)
+                return log_oom();
+
+        printf("%1$s [OPTIONS...] COMMAND ...\n\n"
+               "%5$sSend control commands to or query the virtual machine and container%6$s\n"
+               "%5$sregistration manager.%6$s\n"
+               "\n%3$sMachine Commands:%4$s\n"
+               "  list                        List running VMs and containers\n"
+               "  status NAME...              Show VM/container details\n"
+               "  show [NAME...]              Show properties of one or more VMs/containers\n"
+               "  start NAME...               Start container as a service\n"
+               "  login [NAME]                Get a login prompt in a container or on the\n"
+               "                              local host\n"
+               "  shell [[USER@]NAME [COMMAND...]]\n"
+               "                              Invoke a shell (or other command) in a container\n"
+               "                              or on the local host\n"
+               "  enable NAME...              Enable automatic container start at boot\n"
+               "  disable NAME...             Disable automatic container start at boot\n"
+               "  poweroff NAME...            Power off one or more containers\n"
+               "  reboot NAME...              Reboot one or more containers\n"
+               "  terminate NAME...           Terminate one or more VMs/containers\n"
+               "  kill NAME...                Send signal to processes of a VM/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"
+               "  bind NAME PATH [PATH]       Bind mount a path from the host into a container\n"
+               "\n%3$sImage Commands:%4$s\n"
+               "  list-images                 Show available container and VM images\n"
+               "  image-status [NAME...]      Show image details\n"
+               "  show-image [NAME...]        Show properties of image\n"
+               "  edit NAME|FILE...           Edit settings of one or more VMs/containers\n"
+               "  cat NAME|FILE...            Show settings of one or more VMs/containers\n"
+               "  clone NAME NAME             Clone an image\n"
+               "  rename NAME NAME            Rename an image\n"
+               "  read-only NAME [BOOL]       Mark or unmark image read-only\n"
+               "  remove NAME...              Remove an image\n"
+               "  set-limit [NAME] BYTES      Set image or pool size limit (disk quota)\n"
+               "  clean                       Remove hidden (or all) images\n"
+               "\n%3$sImage Transfer Commands:%4$s\n"
+               "  pull-tar URL [NAME]         Download a TAR container image\n"
+               "  pull-raw URL [NAME]         Download a RAW container or VM image\n"
+               "  import-tar FILE [NAME]      Import a local TAR container image\n"
+               "  import-raw FILE [NAME]      Import a local RAW container or VM image\n"
+               "  import-fs DIRECTORY [NAME]  Import a local directory container image\n"
+               "  export-tar NAME [FILE]      Export a TAR container image locally\n"
+               "  export-raw NAME [FILE]      Export a RAW container or VM image locally\n"
+               "  list-transfers              Show list of downloads in progress\n"
+               "  cancel-transfer             Cancel a download\n"
+               "\n%3$sOptions:%4$s\n"
+               "  -h --help                   Show this help\n"
+               "     --version                Show package version\n"
+               "     --no-pager               Do not pipe output into a pager\n"
+               "     --no-legend              Do not show the headers and footers\n"
+               "     --no-ask-password        Do not ask for system passwords\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"
+               "  -q --quiet                  Suppress output\n"
+               "  -a --all                    Show all properties, including empty ones\n"
+               "     --value                  When showing properties, only print the value\n"
+               "  -l --full                   Do not ellipsize output\n"
+               "     --kill-whom=WHOM         Whom to send signal to\n"
+               "  -s --signal=SIGNAL          Which signal to send\n"
+               "     --uid=USER               Specify user ID to invoke shell as\n"
+               "  -E --setenv=VAR[=VALUE]     Add an environment variable for shell\n"
+               "     --read-only              Create read-only bind mount\n"
+               "     --mkdir                  Create directory before bind mounting, if missing\n"
+               "  -n --lines=INTEGER          Number of journal entries to show\n"
+               "     --max-addresses=INTEGER  Number of internet addresses to show at most\n"
+               "  -o --output=STRING          Change journal output mode (short, short-precise,\n"
+               "                               short-iso, short-iso-precise, short-full,\n"
+               "                               short-monotonic, short-unix, short-delta,\n"
+               "                               json, json-pretty, json-sse, json-seq, cat,\n"
+               "                               verbose, export, with-unit)\n"
+               "     --verify=MODE            Verification mode for downloaded images (no,\n"
+               "                               checksum, signature)\n"
+               "     --force                  Download image even if already exists\n"
+               "     --now                    Start or power off container after enabling or\n"
+               "                              disabling it\n"
+               "\nSee the %2$s for details.\n",
+               program_invocation_short_name,
+               link,
+               ansi_underline(),
+               ansi_normal(),
+               ansi_highlight(),
+               ansi_normal());
+
+        return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+        enum {
+                ARG_VERSION = 0x100,
+                ARG_NO_PAGER,
+                ARG_NO_LEGEND,
+                ARG_VALUE,
+                ARG_KILL_WHOM,
+                ARG_READ_ONLY,
+                ARG_MKDIR,
+                ARG_NO_ASK_PASSWORD,
+                ARG_VERIFY,
+                ARG_NOW,
+                ARG_FORCE,
+                ARG_FORMAT,
+                ARG_UID,
+                ARG_MAX_ADDRESSES,
+        };
+
+        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'                 },
+                { "value",           no_argument,       NULL, ARG_VALUE           },
+                { "full",            no_argument,       NULL, 'l'                 },
+                { "no-pager",        no_argument,       NULL, ARG_NO_PAGER        },
+                { "no-legend",       no_argument,       NULL, ARG_NO_LEGEND       },
+                { "kill-whom",       required_argument, NULL, ARG_KILL_WHOM       },
+                { "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           },
+                { "quiet",           no_argument,       NULL, 'q'                 },
+                { "lines",           required_argument, NULL, 'n'                 },
+                { "output",          required_argument, NULL, 'o'                 },
+                { "no-ask-password", no_argument,       NULL, ARG_NO_ASK_PASSWORD },
+                { "verify",          required_argument, NULL, ARG_VERIFY          },
+                { "now",             no_argument,       NULL, ARG_NOW             },
+                { "force",           no_argument,       NULL, ARG_FORCE           },
+                { "format",          required_argument, NULL, ARG_FORMAT          },
+                { "uid",             required_argument, NULL, ARG_UID             },
+                { "setenv",          required_argument, NULL, 'E'                 },
+                { "max-addresses",   required_argument, NULL, ARG_MAX_ADDRESSES   },
+                {}
+        };
+
+        bool reorder = false;
+        int c, r, shell = -1;
+
+        assert(argc >= 0);
+        assert(argv);
+
+        /* Resetting to 0 forces the invocation of an internal initialization routine of getopt_long()
+         * that checks for GNU extensions in optstring ('-' or '+' at the beginning). */
+        optind = 0;
+
+        for (;;) {
+                static const char option_string[] = "-hp:als:H:M:qn:o:E:";
+
+                c = getopt_long(argc, argv, option_string + reorder, options, NULL);
+                if (c < 0)
+                        break;
+
+                switch (c) {
+
+                case 1: /* getopt_long() returns 1 if "-" was the first character of the option string, and a
+                         * non-option argument was discovered. */
+
+                        assert(!reorder);
+
+                        /* We generally are fine with the fact that getopt_long() reorders the command line, and looks
+                         * for switches after the main verb. However, for "shell" we really don't want that, since we
+                         * want that switches specified after the machine name are passed to the program to execute,
+                         * and not processed by us. To make this possible, we'll first invoke getopt_long() with
+                         * reordering disabled (i.e. with the "-" prefix in the option string), looking for the first
+                         * non-option parameter. If it's the verb "shell" we remember its position and continue
+                         * processing options. In this case, as soon as we hit the next non-option argument we found
+                         * the machine name, and stop further processing. If the first non-option argument is any other
+                         * verb than "shell" we switch to normal reordering mode and continue processing arguments
+                         * normally. */
+
+                        if (shell >= 0) {
+                                /* If we already found the "shell" verb on the command line, and now found the next
+                                 * non-option argument, then this is the machine name and we should stop processing
+                                 * further arguments.  */
+                                optind --; /* don't process this argument, go one step back */
+                                goto done;
+                        }
+                        if (streq(optarg, "shell"))
+                                /* Remember the position of the "shell" verb, and continue processing normally. */
+                                shell = optind - 1;
+                        else {
+                                int saved_optind;
+
+                                /* OK, this is some other verb. In this case, turn on reordering again, and continue
+                                 * processing normally. */
+                                reorder = true;
+
+                                /* We changed the option string. getopt_long() only looks at it again if we invoke it
+                                 * at least once with a reset option index. Hence, let's reset the option index here,
+                                 * then invoke getopt_long() again (ignoring what it has to say, after all we most
+                                 * likely already processed it), and the bump the option index so that we read the
+                                 * intended argument again. */
+                                saved_optind = optind;
+                                optind = 0;
+                                (void) getopt_long(argc, argv, option_string + reorder, options, NULL);
+                                optind = saved_optind - 1; /* go one step back, process this argument again */
+                        }
+
+                        break;
+
+                case 'h':
+                        return help(0, NULL, NULL);
+
+                case ARG_VERSION:
+                        return version();
+
+                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 them, even if it is
+                         * empty. */
+                        SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true);
+                        break;
+
+                case 'a':
+                        SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true);
+                        arg_all = true;
+                        break;
+
+                case ARG_VALUE:
+                        SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true);
+                        break;
+
+                case 'l':
+                        arg_full = true;
+                        break;
+
+                case 'n':
+                        if (safe_atou(optarg, &arg_lines) < 0)
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                                       "Failed to parse lines '%s'", optarg);
+                        break;
+
+                case 'o':
+                        if (streq(optarg, "help")) {
+                                DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
+                                return 0;
+                        }
+
+                        r = output_mode_from_string(optarg);
+                        if (r < 0)
+                                return log_error_errno(r, "Unknown output '%s'.", optarg);
+                        arg_output = r;
+
+                        if (OUTPUT_MODE_IS_JSON(arg_output))
+                                arg_legend = false;
+                        break;
+
+                case ARG_NO_PAGER:
+                        arg_pager_flags |= PAGER_DISABLE;
+                        break;
+
+                case ARG_NO_LEGEND:
+                        arg_legend = false;
+                        break;
+
+                case ARG_KILL_WHOM:
+                        arg_kill_whom = optarg;
+                        break;
+
+                case 's':
+                        r = parse_signal_argument(optarg, &arg_signal);
+                        if (r <= 0)
+                                return r;
+                        break;
+
+                case ARG_NO_ASK_PASSWORD:
+                        arg_ask_password = false;
+                        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 'q':
+                        arg_quiet = true;
+                        break;
+
+                case ARG_VERIFY:
+                        if (streq(optarg, "help")) {
+                                DUMP_STRING_TABLE(import_verify, ImportVerify, _IMPORT_VERIFY_MAX);
+                                return 0;
+                        }
+
+                        r = import_verify_from_string(optarg);
+                        if (r < 0)
+                                return log_error_errno(r, "Failed to parse --verify= setting: %s", optarg);
+                        arg_verify = r;
+                        break;
+
+                case ARG_NOW:
+                        arg_now = true;
+                        break;
+
+                case ARG_FORCE:
+                        arg_force = true;
+                        break;
+
+                case ARG_FORMAT:
+                        if (!STR_IN_SET(optarg, "uncompressed", "xz", "gzip", "bzip2"))
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                                       "Unknown format: %s", optarg);
+
+                        arg_format = optarg;
+                        break;
+
+                case ARG_UID:
+                        arg_uid = optarg;
+                        break;
+
+                case 'E':
+                        r = strv_env_replace_strdup_passthrough(&arg_setenv, optarg);
+                        if (r < 0)
+                                return log_error_errno(r, "Cannot assign environment variable %s: %m", optarg);
+                        break;
+
+                case ARG_MAX_ADDRESSES:
+                        if (streq(optarg, "all"))
+                                arg_max_addresses = UINT_MAX;
+                        else if (safe_atou(optarg, &arg_max_addresses) < 0)
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                                       "Invalid number of addresses: %s", optarg);
+                        break;
+
+                case '?':
+                        return -EINVAL;
+
+                default:
+                        assert_not_reached();
+                }
+        }
+
+done:
+        if (shell >= 0) {
+                char *t;
+
+                /* We found the "shell" verb while processing the argument list. Since we turned off reordering of the
+                 * argument list initially let's readjust it now, and move the "shell" verb to the back. */
+
+                optind -= 1; /* place the option index where the "shell" verb will be placed */
+
+                t = argv[shell];
+                for (int i = shell; i < optind; i++)
+                        argv[i] = argv[i+1];
+                argv[optind] = t;
+        }
+
+        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_machine      },
+                { "image-status",    VERB_ANY, VERB_ANY, 0,            show_image        },
+                { "show",            VERB_ANY, VERB_ANY, 0,            show_machine      },
+                { "show-image",      VERB_ANY, VERB_ANY, 0,            show_image        },
+                { "terminate",       2,        VERB_ANY, 0,            terminate_machine },
+                { "reboot",          2,        VERB_ANY, 0,            reboot_machine    },
+                { "poweroff",        2,        VERB_ANY, 0,            poweroff_machine  },
+                { "stop",            2,        VERB_ANY, 0,            poweroff_machine  }, /* Convenience alias */
+                { "kill",            2,        VERB_ANY, 0,            kill_machine      },
+                { "login",           VERB_ANY, 2,        0,            login_machine     },
+                { "shell",           VERB_ANY, VERB_ANY, 0,            shell_machine     },
+                { "bind",            3,        4,        0,            bind_mount        },
+                { "edit",            2,        VERB_ANY, 0,            edit_settings     },
+                { "cat",             2,        VERB_ANY, 0,            cat_settings      },
+                { "copy-to",         3,        4,        0,            copy_files        },
+                { "copy-from",       3,        4,        0,            copy_files        },
+                { "remove",          2,        VERB_ANY, 0,            remove_image      },
+                { "rename",          3,        3,        0,            rename_image      },
+                { "clone",           3,        3,        0,            clone_image       },
+                { "read-only",       2,        3,        0,            read_only_image   },
+                { "start",           2,        VERB_ANY, 0,            start_machine     },
+                { "enable",          2,        VERB_ANY, 0,            enable_machine    },
+                { "disable",         2,        VERB_ANY, 0,            enable_machine    },
+                { "import-tar",      2,        3,        0,            import_tar        },
+                { "import-raw",      2,        3,        0,            import_raw        },
+                { "import-fs",       2,        3,        0,            import_fs         },
+                { "export-tar",      2,        3,        0,            export_tar        },
+                { "export-raw",      2,        3,        0,            export_raw        },
+                { "pull-tar",        2,        3,        0,            pull_tar          },
+                { "pull-raw",        2,        3,        0,            pull_raw          },
+                { "list-transfers",  VERB_ANY, 1,        0,            list_transfers    },
+                { "cancel-transfer", 2,        VERB_ANY, 0,            cancel_transfer   },
+                { "set-limit",       2,        3,        0,            set_limit         },
+                { "clean",           VERB_ANY, 1,        0,            clean_images      },
+                {}
+        };
+
+        return dispatch_verb(argc, argv, verbs, bus);
+}
+
+static int run(int argc, char *argv[]) {
+        _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+        int r;
+
+        setlocale(LC_ALL, "");
+        log_setup();
+
+        /* The journal merging logic potentially needs a lot of fds. */
+        (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
+
+        sigbus_install();
+
+        r = parse_argv(argc, argv);
+        if (r <= 0)
+                return r;
+
+        r = bus_connect_transport(arg_transport, arg_host, RUNTIME_SCOPE_SYSTEM, &bus);
+        if (r < 0)
+                return bus_log_connect_error(r, arg_transport);
+
+        (void) sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);
+
+        return machinectl_main(argc, argv, bus);
+}
+
+DEFINE_MAIN_FUNCTION(run);
diff --git a/src/machine/machined-core.c b/src/machine/machined-core.c
new file mode 100644
index 0000000..ffca209
--- /dev/null
+++ b/src/machine/machined-core.c
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "machined.h"
+#include "nscd-flush.h"
+#include "strv.h"
+#include "user-util.h"
+
+#if ENABLE_NSCD
+static int on_nscd_cache_flush_event(sd_event_source *s, void *userdata) {
+        /* Let's ask glibc's nscd daemon to flush its caches. We request this for the three database machines may show
+         * up in: the hosts database (for resolvable machine names) and the user and group databases (for the user ns
+         * ranges). */
+
+        (void) nscd_flush_cache(STRV_MAKE("passwd", "group", "hosts"));
+        return 0;
+}
+
+int manager_enqueue_nscd_cache_flush(Manager *m) {
+        int r;
+
+        assert(m);
+
+        if (!m->nscd_cache_flush_event) {
+                r = sd_event_add_defer(m->event, &m->nscd_cache_flush_event, on_nscd_cache_flush_event, m);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to allocate NSCD cache flush event: %m");
+
+                sd_event_source_set_description(m->nscd_cache_flush_event, "nscd-cache-flush");
+        }
+
+        r = sd_event_source_set_enabled(m->nscd_cache_flush_event, SD_EVENT_ONESHOT);
+        if (r < 0) {
+                m->nscd_cache_flush_event = sd_event_source_unref(m->nscd_cache_flush_event);
+                return log_error_errno(r, "Failed to enable NSCD cache flush event: %m");
+        }
+
+        return 0;
+}
+#endif
+
+int manager_find_machine_for_uid(Manager *m, uid_t uid, Machine **ret_machine, uid_t *ret_internal_uid) {
+        Machine *machine;
+        int r;
+
+        assert(m);
+        assert(uid_is_valid(uid));
+
+        /* Finds the machine for the specified host UID and returns it along with the UID translated into the
+         * internal UID inside the machine */
+
+        HASHMAP_FOREACH(machine, m->machines) {
+                uid_t converted;
+
+                r = machine_owns_uid(machine, uid, &converted);
+                if (r < 0)
+                        return r;
+                if (r) {
+                        if (ret_machine)
+                                *ret_machine = machine;
+
+                        if (ret_internal_uid)
+                                *ret_internal_uid = converted;
+
+                        return true;
+                }
+        }
+
+        if (ret_machine)
+                *ret_machine = NULL;
+        if (ret_internal_uid)
+                *ret_internal_uid = UID_INVALID;
+
+        return false;
+}
+
+int manager_find_machine_for_gid(Manager *m, gid_t gid, Machine **ret_machine, gid_t *ret_internal_gid) {
+        Machine *machine;
+        int r;
+
+        assert(m);
+        assert(gid_is_valid(gid));
+
+        HASHMAP_FOREACH(machine, m->machines) {
+                gid_t converted;
+
+                r = machine_owns_gid(machine, gid, &converted);
+                if (r < 0)
+                        return r;
+                if (r) {
+                        if (ret_machine)
+                                *ret_machine = machine;
+
+                        if (ret_internal_gid)
+                                *ret_internal_gid = converted;
+
+                        return true;
+                }
+        }
+
+        if (ret_machine)
+                *ret_machine = NULL;
+        if (ret_internal_gid)
+                *ret_internal_gid = GID_INVALID;
+
+        return false;
+}
diff --git a/src/machine/machined-dbus.c b/src/machine/machined-dbus.c
new file mode 100644
index 0000000..9fec047
--- /dev/null
+++ b/src/machine/machined-dbus.c
@@ -0,0 +1,1516 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include "sd-id128.h"
+
+#include "alloc-util.h"
+#include "btrfs-util.h"
+#include "bus-common-errors.h"
+#include "bus-get-properties.h"
+#include "bus-locator.h"
+#include "bus-polkit.h"
+#include "cgroup-util.h"
+#include "discover-image.h"
+#include "errno-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "format-util.h"
+#include "hostname-util.h"
+#include "image-dbus.h"
+#include "io-util.h"
+#include "machine-dbus.h"
+#include "machine-pool.h"
+#include "machined.h"
+#include "missing_capability.h"
+#include "os-util.h"
+#include "path-util.h"
+#include "process-util.h"
+#include "stdio-util.h"
+#include "strv.h"
+#include "tmpfile-util.h"
+#include "unit-name.h"
+#include "user-util.h"
+
+static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_pool_path, "s", "/var/lib/machines");
+
+static int property_get_pool_usage(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        _cleanup_close_ int fd = -EBADF;
+        uint64_t usage = UINT64_MAX;
+
+        assert(bus);
+        assert(reply);
+
+        fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY);
+        if (fd >= 0) {
+                BtrfsQuotaInfo q;
+
+                if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0)
+                        usage = q.referenced;
+        }
+
+        return sd_bus_message_append(reply, "t", usage);
+}
+
+static int property_get_pool_limit(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        _cleanup_close_ int fd = -EBADF;
+        uint64_t size = UINT64_MAX;
+
+        assert(bus);
+        assert(reply);
+
+        fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY);
+        if (fd >= 0) {
+                BtrfsQuotaInfo q;
+
+                if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0)
+                        size = q.referenced_max;
+        }
+
+        return sd_bus_message_append(reply, "t", size);
+}
+
+static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *p = NULL;
+        Manager *m = ASSERT_PTR(userdata);
+        Machine *machine;
+        const char *name;
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        machine = hashmap_get(m->machines, name);
+        if (!machine)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
+
+        p = machine_bus_path(machine);
+        if (!p)
+                return -ENOMEM;
+
+        return sd_bus_reply_method_return(message, "o", p);
+}
+
+static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *p = NULL;
+        _unused_ Manager *m = ASSERT_PTR(userdata);
+        const char *name;
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        r = image_find(IMAGE_MACHINE, name, NULL, NULL);
+        if (r == -ENOENT)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
+        if (r < 0)
+                return r;
+
+        p = image_bus_path(name);
+        if (!p)
+                return -ENOMEM;
+
+        return sd_bus_reply_method_return(message, "o", p);
+}
+
+static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *p = NULL;
+        Manager *m = ASSERT_PTR(userdata);
+        Machine *machine = NULL;
+        pid_t pid;
+        int r;
+
+        assert(message);
+
+        assert_cc(sizeof(pid_t) == sizeof(uint32_t));
+
+        r = sd_bus_message_read(message, "u", &pid);
+        if (r < 0)
+                return r;
+
+        if (pid < 0)
+                return -EINVAL;
+
+        if (pid == 0) {
+                _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_creds_get_pid(creds, &pid);
+                if (r < 0)
+                        return r;
+        }
+
+        r = manager_get_machine_by_pid(m, pid, &machine);
+        if (r < 0)
+                return r;
+        if (!machine)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_MACHINE_FOR_PID, "PID "PID_FMT" does not belong to any known machine", pid);
+
+        p = machine_bus_path(machine);
+        if (!p)
+                return -ENOMEM;
+
+        return sd_bus_reply_method_return(message, "o", p);
+}
+
+static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        Manager *m = ASSERT_PTR(userdata);
+        Machine *machine;
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return sd_bus_error_set_errno(error, r);
+
+        r = sd_bus_message_open_container(reply, 'a', "(ssso)");
+        if (r < 0)
+                return sd_bus_error_set_errno(error, r);
+
+        HASHMAP_FOREACH(machine, m->machines) {
+                _cleanup_free_ char *p = NULL;
+
+                p = machine_bus_path(machine);
+                if (!p)
+                        return -ENOMEM;
+
+                r = sd_bus_message_append(reply, "(ssso)",
+                                          machine->name,
+                                          strempty(machine_class_to_string(machine->class)),
+                                          machine->service,
+                                          p);
+                if (r < 0)
+                        return sd_bus_error_set_errno(error, r);
+        }
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                return sd_bus_error_set_errno(error, r);
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) {
+        _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
+        const char *name, *service, *class, *root_directory;
+        const int32_t *netif = NULL;
+        MachineClass c;
+        uint32_t leader;
+        sd_id128_t id;
+        const void *v;
+        Machine *m;
+        size_t n, n_netif = 0;
+        int r;
+
+        assert(manager);
+        assert(message);
+        assert(_m);
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+        if (!hostname_is_valid(name, 0))
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name");
+
+        r = sd_bus_message_read_array(message, 'y', &v, &n);
+        if (r < 0)
+                return r;
+        if (n == 0)
+                id = SD_ID128_NULL;
+        else if (n == 16)
+                memcpy(&id, v, n);
+        else
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter");
+
+        r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory);
+        if (r < 0)
+                return r;
+
+        if (read_network) {
+                r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif);
+                if (r < 0)
+                        return r;
+
+                n_netif /= sizeof(int32_t);
+
+                for (size_t i = 0; i < n_netif; i++) {
+                        if (netif[i] <= 0)
+                                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]);
+                }
+        }
+
+        if (isempty(class))
+                c = _MACHINE_CLASS_INVALID;
+        else {
+                c = machine_class_from_string(class);
+                if (c < 0)
+                        return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter");
+        }
+
+        if (leader == 1)
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
+
+        if (!isempty(root_directory) && !path_is_absolute(root_directory))
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path");
+
+        if (leader == 0) {
+                _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+                if (r < 0)
+                        return r;
+
+                assert_cc(sizeof(uint32_t) == sizeof(pid_t));
+
+                r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
+                if (r < 0)
+                        return r;
+        }
+
+        r = pidref_set_pid(&pidref, leader);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to pin process " PID_FMT ": %m", pidref.pid);
+
+        if (hashmap_get(manager->machines, name))
+                return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name);
+
+        r = manager_add_machine(manager, name, &m);
+        if (r < 0)
+                return r;
+
+        m->leader = TAKE_PIDREF(pidref);
+        m->class = c;
+        m->id = id;
+
+        if (!isempty(service)) {
+                m->service = strdup(service);
+                if (!m->service) {
+                        r = -ENOMEM;
+                        goto fail;
+                }
+        }
+
+        if (!isempty(root_directory)) {
+                m->root_directory = strdup(root_directory);
+                if (!m->root_directory) {
+                        r = -ENOMEM;
+                        goto fail;
+                }
+        }
+
+        if (n_netif > 0) {
+                assert_cc(sizeof(int32_t) == sizeof(int));
+                m->netif = memdup(netif, sizeof(int32_t) * n_netif);
+                if (!m->netif) {
+                        r = -ENOMEM;
+                        goto fail;
+                }
+
+                m->n_netif = n_netif;
+        }
+
+        *_m = m;
+
+        return 1;
+
+fail:
+        machine_add_to_gc_queue(m);
+        return r;
+}
+
+static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) {
+        Manager *manager = ASSERT_PTR(userdata);
+        Machine *m = NULL;
+        int r;
+
+        assert(message);
+
+        r = method_create_or_register_machine(manager, message, read_network, &m, error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_enter_container(message, 'a', "(sv)");
+        if (r < 0)
+                goto fail;
+
+        r = machine_start(m, message, error);
+        if (r < 0)
+                goto fail;
+
+        m->create_message = sd_bus_message_ref(message);
+        return 1;
+
+fail:
+        machine_add_to_gc_queue(m);
+        return r;
+}
+
+static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_create_machine_internal(message, true, userdata, error);
+}
+
+static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_create_machine_internal(message, false, userdata, error);
+}
+
+static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) {
+        Manager *manager = ASSERT_PTR(userdata);
+        _cleanup_free_ char *p = NULL;
+        Machine *m = NULL;
+        int r;
+
+        assert(message);
+
+        r = method_create_or_register_machine(manager, message, read_network, &m, error);
+        if (r < 0)
+                return r;
+
+        r = cg_pid_get_unit(m->leader.pid, &m->unit);
+        if (r < 0) {
+                r = sd_bus_error_set_errnof(error, r,
+                                            "Failed to determine unit of process "PID_FMT" : %m",
+                                            m->leader.pid);
+                goto fail;
+        }
+
+        r = machine_start(m, NULL, error);
+        if (r < 0)
+                goto fail;
+
+        p = machine_bus_path(m);
+        if (!p) {
+                r = -ENOMEM;
+                goto fail;
+        }
+
+        return sd_bus_reply_method_return(message, "o", p);
+
+fail:
+        machine_add_to_gc_queue(m);
+        return r;
+}
+
+static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_register_machine_internal(message, true, userdata, error);
+}
+
+static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_register_machine_internal(message, false, userdata, error);
+}
+
+static int redirect_method_to_machine(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) {
+        Machine *machine;
+        const char *name;
+        int r;
+
+        assert(message);
+        assert(m);
+        assert(method);
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return sd_bus_error_set_errno(error, r);
+
+        machine = hashmap_get(m->machines, name);
+        if (!machine)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
+
+        return method(message, machine, error);
+}
+
+static int method_unregister_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_unregister);
+}
+
+static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_terminate);
+}
+
+static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_kill);
+}
+
+static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_addresses);
+}
+
+static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_os_release);
+}
+
+static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_hashmap_free_ Hashmap *images = NULL;
+        _unused_ Manager *m = ASSERT_PTR(userdata);
+        Image *image;
+        int r;
+
+        assert(message);
+
+        images = hashmap_new(&image_hash_ops);
+        if (!images)
+                return -ENOMEM;
+
+        r = image_discover(IMAGE_MACHINE, NULL, images);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(reply, 'a', "(ssbttto)");
+        if (r < 0)
+                return r;
+
+        HASHMAP_FOREACH(image, images) {
+                _cleanup_free_ char *p = NULL;
+
+                p = image_bus_path(image->name);
+                if (!p)
+                        return -ENOMEM;
+
+                r = sd_bus_message_append(reply, "(ssbttto)",
+                                          image->name,
+                                          image_type_to_string(image->type),
+                                          image->read_only,
+                                          image->crtime,
+                                          image->mtime,
+                                          image->usage,
+                                          p);
+                if (r < 0)
+                        return r;
+        }
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_pty);
+}
+
+static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_login);
+}
+
+static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_shell);
+}
+
+static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_bind_mount);
+}
+
+static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_copy);
+}
+
+static int method_open_machine_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_root_directory);
+}
+
+static int method_get_machine_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_uid_shift);
+}
+
+static int redirect_method_to_image(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) {
+        _cleanup_(image_unrefp) Image* i = NULL;
+        const char *name;
+        int r;
+
+        assert(message);
+        assert(m);
+        assert(method);
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        if (!image_name_is_valid(name))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name);
+
+        r = image_find(IMAGE_MACHINE, name, NULL, &i);
+        if (r == -ENOENT)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
+        if (r < 0)
+                return r;
+
+        i->userdata = m;
+        return method(message, i, error);
+}
+
+static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_image(message, userdata, error, bus_image_method_remove);
+}
+
+static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_image(message, userdata, error, bus_image_method_rename);
+}
+
+static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_image(message, userdata, error, bus_image_method_clone);
+}
+
+static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_image(message, userdata, error, bus_image_method_mark_read_only);
+}
+
+static int method_get_image_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_image(message, userdata, error, bus_image_method_get_hostname);
+}
+
+static int method_get_image_machine_id(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_id);
+}
+
+static int method_get_image_machine_info(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_info);
+}
+
+static int method_get_image_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_image(message, userdata, error, bus_image_method_get_os_release);
+}
+
+static int clean_pool_done(Operation *operation, int ret, sd_bus_error *error) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_fclose_ FILE *f = NULL;
+        bool success;
+        size_t n;
+        int r;
+
+        assert(operation);
+        assert(operation->extra_fd >= 0);
+
+        if (lseek(operation->extra_fd, 0, SEEK_SET) < 0)
+                return -errno;
+
+        f = take_fdopen(&operation->extra_fd, "r");
+        if (!f)
+                return -errno;
+
+        /* The resulting temporary file starts with a boolean value that indicates success or not. */
+        errno = 0;
+        n = fread(&success, 1, sizeof(success), f);
+        if (n != sizeof(success))
+                return ret < 0 ? ret : errno_or_else(EIO);
+
+        if (ret < 0) {
+                _cleanup_free_ char *name = NULL;
+
+                /* The clean-up operation failed. In this case the resulting temporary file should contain a boolean
+                 * set to false followed by the name of the failed image. Let's try to read this and use it for the
+                 * error message. If we can't read it, don't mind, and return the naked error. */
+
+                if (success) /* The resulting temporary file could not be updated, ignore it. */
+                        return ret;
+
+                r = read_nul_string(f, LONG_LINE_MAX, &name);
+                if (r <= 0) /* Same here... */
+                        return ret;
+
+                return sd_bus_error_set_errnof(error, ret, "Failed to remove image %s: %m", name);
+        }
+
+        assert(success);
+
+        r = sd_bus_message_new_method_return(operation->message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(reply, 'a', "(st)");
+        if (r < 0)
+                return r;
+
+        /* On success the resulting temporary file will contain a list of image names that were removed followed by
+         * their size on disk. Let's read that and turn it into a bus message. */
+        for (;;) {
+                _cleanup_free_ char *name = NULL;
+                uint64_t size;
+
+                r = read_nul_string(f, LONG_LINE_MAX, &name);
+                if (r < 0)
+                        return r;
+                if (r == 0) /* reached the end */
+                        break;
+
+                errno = 0;
+                n = fread(&size, 1, sizeof(size), f);
+                if (n != sizeof(size))
+                        return errno_or_else(EIO);
+
+                r = sd_bus_message_append(reply, "(st)", name, size);
+                if (r < 0)
+                        return r;
+        }
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+static int method_clean_pool(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        enum {
+                REMOVE_ALL,
+                REMOVE_HIDDEN,
+        } mode;
+
+        _cleanup_close_pair_ int errno_pipe_fd[2] = EBADF_PAIR;
+        _cleanup_close_ int result_fd = -EBADF;
+        Manager *m = userdata;
+        Operation *operation;
+        const char *mm;
+        pid_t child;
+        int r;
+
+        assert(message);
+
+        if (m->n_operations >= OPERATIONS_MAX)
+                return sd_bus_error_set(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations.");
+
+        r = sd_bus_message_read(message, "s", &mm);
+        if (r < 0)
+                return r;
+
+        if (streq(mm, "all"))
+                mode = REMOVE_ALL;
+        else if (streq(mm, "hidden"))
+                mode = REMOVE_HIDDEN;
+        else
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mode '%s'.", mm);
+
+        const char *details[] = {
+                "verb", "clean_pool",
+                "mode", mm,
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-machines",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0)
+                return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m");
+
+        /* Create a temporary file we can dump information about deleted images into. We use a temporary file for this
+         * instead of a pipe or so, since this might grow quit large in theory and we don't want to process this
+         * continuously */
+        result_fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC);
+        if (result_fd < 0)
+                return -errno;
+
+        /* This might be a slow operation, run it asynchronously in a background process */
+        r = safe_fork("(sd-clean)", FORK_RESET_SIGNALS, &child);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m");
+        if (r == 0) {
+                _cleanup_hashmap_free_ Hashmap *images = NULL;
+                bool success = true;
+                Image *image;
+                ssize_t l;
+
+                errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]);
+
+                images = hashmap_new(&image_hash_ops);
+                if (!images) {
+                        r = -ENOMEM;
+                        goto child_fail;
+                }
+
+                r = image_discover(IMAGE_MACHINE, NULL, images);
+                if (r < 0)
+                        goto child_fail;
+
+                l = write(result_fd, &success, sizeof(success));
+                if (l < 0) {
+                        r = -errno;
+                        goto child_fail;
+                }
+
+                HASHMAP_FOREACH(image, images) {
+
+                        /* We can't remove vendor images (i.e. those in /usr) */
+                        if (IMAGE_IS_VENDOR(image))
+                                continue;
+
+                        if (IMAGE_IS_HOST(image))
+                                continue;
+
+                        if (mode == REMOVE_HIDDEN && !IMAGE_IS_HIDDEN(image))
+                                continue;
+
+                        r = image_remove(image);
+                        if (r == -EBUSY) /* keep images that are currently being used. */
+                                continue;
+                        if (r < 0) {
+                                /* If the operation failed, let's override everything we wrote, and instead write there at which image we failed. */
+                                success = false;
+                                (void) ftruncate(result_fd, 0);
+                                (void) lseek(result_fd, 0, SEEK_SET);
+                                (void) write(result_fd, &success, sizeof(success));
+                                (void) write(result_fd, image->name, strlen(image->name)+1);
+                                goto child_fail;
+                        }
+
+                        l = write(result_fd, image->name, strlen(image->name)+1);
+                        if (l < 0) {
+                                r = -errno;
+                                goto child_fail;
+                        }
+
+                        l = write(result_fd, &image->usage_exclusive, sizeof(image->usage_exclusive));
+                        if (l < 0) {
+                                r = -errno;
+                                goto child_fail;
+                        }
+                }
+
+                result_fd = safe_close(result_fd);
+                _exit(EXIT_SUCCESS);
+
+        child_fail:
+                (void) write(errno_pipe_fd[1], &r, sizeof(r));
+                _exit(EXIT_FAILURE);
+        }
+
+        errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+        /* The clean-up might take a while, hence install a watch on the child and return */
+
+        r = operation_new(m, NULL, child, message, errno_pipe_fd[0], &operation);
+        if (r < 0) {
+                (void) sigkill_wait(child);
+                return r;
+        }
+
+        operation->extra_fd = result_fd;
+        operation->done = clean_pool_done;
+
+        result_fd = -EBADF;
+        errno_pipe_fd[0] = -EBADF;
+
+        return 1;
+}
+
+static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        uint64_t limit;
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "t", &limit);
+        if (r < 0)
+                return r;
+        if (!FILE_SIZE_VALID_OR_INFINITY(limit))
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range");
+
+        const char *details[] = {
+                "verb", "set_pool_limit",
+                NULL
+        };
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-machines",
+                        details,
+                        false,
+                        UID_INVALID,
+                        &m->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        /* Set up the machine directory if necessary */
+        r = setup_machine_directory(error, /* use_btrfs_subvol= */ true, /* use_btrfs_quota= */ true);
+        if (r < 0)
+                return r;
+
+        (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit);
+
+        r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit);
+        if (r == -ENOTTY)
+                return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs.");
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m");
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return redirect_method_to_image(message, userdata, error, bus_image_method_set_limit);
+}
+
+static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        const char *name;
+        Machine *machine;
+        uint32_t uid;
+        uid_t converted;
+        int r;
+
+        r = sd_bus_message_read(message, "su", &name, &uid);
+        if (r < 0)
+                return r;
+
+        if (!uid_is_valid(uid))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid);
+
+        machine = hashmap_get(m->machines, name);
+        if (!machine)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
+
+        if (machine->class != MACHINE_CONTAINER)
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines.");
+
+        r = machine_translate_uid(machine, uid, &converted);
+        if (r == -ESRCH)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, "u", (uint32_t) converted);
+}
+
+static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *o = NULL;
+        Manager *m = userdata;
+        Machine *machine;
+        uid_t uid, converted;
+        int r;
+
+        r = sd_bus_message_read(message, "u", &uid);
+        if (r < 0)
+                return r;
+        if (!uid_is_valid(uid))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid);
+        if (uid < 0x10000)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid);
+
+        r = manager_find_machine_for_uid(m, uid, &machine, &converted);
+        if (r < 0)
+                return r;
+        if (!r)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid);
+
+        o = machine_bus_path(machine);
+        if (!o)
+                return -ENOMEM;
+
+        return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted);
+}
+
+static int method_map_from_machine_group(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        const char *name;
+        Machine *machine;
+        gid_t converted;
+        uint32_t gid;
+        int r;
+
+        r = sd_bus_message_read(message, "su", &name, &gid);
+        if (r < 0)
+                return r;
+
+        if (!gid_is_valid(gid))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid);
+
+        machine = hashmap_get(m->machines, name);
+        if (!machine)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
+
+        if (machine->class != MACHINE_CONTAINER)
+                return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines.");
+
+        r = machine_translate_gid(machine, gid, &converted);
+        if (r == -ESRCH)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching group mappings.", name);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, "u", (uint32_t) converted);
+}
+
+static int method_map_to_machine_group(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *o = NULL;
+        Manager *m = userdata;
+        Machine *machine;
+        gid_t gid, converted;
+        int r;
+
+        r = sd_bus_message_read(message, "u", &gid);
+        if (r < 0)
+                return r;
+        if (!gid_is_valid(gid))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid);
+        if (gid < 0x10000)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid);
+
+        r = manager_find_machine_for_gid(m, gid, &machine, &converted);
+        if (r < 0)
+                return r;
+        if (!r)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid);
+
+        o = machine_bus_path(machine);
+        if (!o)
+                return -ENOMEM;
+
+        return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted);
+}
+
+const sd_bus_vtable manager_vtable[] = {
+        SD_BUS_VTABLE_START(0),
+
+        SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0),
+        SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0),
+        SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0),
+
+        SD_BUS_METHOD_WITH_ARGS("GetMachine",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("o", machine),
+                                method_get_machine,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetImage",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("o", image),
+                                method_get_image,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetMachineByPID",
+                                SD_BUS_ARGS("u", pid),
+                                SD_BUS_RESULT("o", machine),
+                                method_get_machine_by_pid,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("ListMachines",
+                                SD_BUS_NO_ARGS,
+                                SD_BUS_RESULT("a(ssso)", machines),
+                                method_list_machines,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("ListImages",
+                                SD_BUS_NO_ARGS,
+                                SD_BUS_RESULT("a(ssbttto)", images),
+                                method_list_images,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CreateMachine",
+                                SD_BUS_ARGS("s", name, "ay", id, "s", service, "s", class, "u", leader, "s", root_directory, "a(sv)", scope_properties),
+                                SD_BUS_RESULT("o", path),
+                                method_create_machine, 0),
+        SD_BUS_METHOD_WITH_ARGS("CreateMachineWithNetwork",
+                                SD_BUS_ARGS("s", name, "ay", id, "s", service, "s", class, "u", leader, "s", root_directory, "ai", ifindices, "a(sv)", scope_properties),
+                                SD_BUS_RESULT("o", path),
+                                method_create_machine_with_network, 0),
+        SD_BUS_METHOD_WITH_ARGS("RegisterMachine",
+                                SD_BUS_ARGS("s", name, "ay", id, "s", service, "s", class, "u", leader, "s", root_directory),
+                                SD_BUS_RESULT("o", path),
+                                method_register_machine, 0),
+        SD_BUS_METHOD_WITH_ARGS("RegisterMachineWithNetwork",
+                                SD_BUS_ARGS("s", name, "ay", id, "s", service, "s", class, "u", leader, "s", root_directory, "ai", ifindices),
+                                SD_BUS_RESULT("o", path),
+                                method_register_machine_with_network, 0),
+        SD_BUS_METHOD_WITH_ARGS("UnregisterMachine",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_NO_RESULT,
+                                method_unregister_machine,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("TerminateMachine",
+                                SD_BUS_ARGS("s", id),
+                                SD_BUS_NO_RESULT,
+                                method_terminate_machine,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("KillMachine",
+                                SD_BUS_ARGS("s", name, "s", who, "i", signal),
+                                SD_BUS_NO_RESULT,
+                                method_kill_machine,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetMachineAddresses",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("a(iay)", addresses),
+                                method_get_machine_addresses,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetMachineOSRelease",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("a{ss}", fields),
+                                method_get_machine_os_release,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("OpenMachinePTY",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("h", pty, "s", pty_path),
+                                method_open_machine_pty,
+                                0),
+        SD_BUS_METHOD_WITH_ARGS("OpenMachineLogin",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("h", pty, "s", pty_path),
+                                method_open_machine_login,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("OpenMachineShell",
+                                SD_BUS_ARGS("s", name, "s", user, "s", path, "as", args, "as", environment),
+                                SD_BUS_RESULT("h", pty, "s", pty_path),
+                                method_open_machine_shell,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("BindMountMachine",
+                                SD_BUS_ARGS("s", name, "s", source, "s", destination, "b", read_only, "b", mkdir),
+                                SD_BUS_NO_RESULT,
+                                method_bind_mount_machine,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CopyFromMachine",
+                                SD_BUS_ARGS("s", name, "s", source, "s", destination),
+                                SD_BUS_NO_RESULT,
+                                method_copy_machine,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CopyToMachine",
+                                SD_BUS_ARGS("s", name, "s", source, "s", destination),
+                                SD_BUS_NO_RESULT,
+                                method_copy_machine,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CopyFromMachineWithFlags",
+                                SD_BUS_ARGS("s", name, "s", source, "s", destination, "t", flags),
+                                SD_BUS_NO_RESULT,
+                                method_copy_machine,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CopyToMachineWithFlags",
+                                SD_BUS_ARGS("s", name, "s", source, "s", destination, "t", flags),
+                                SD_BUS_NO_RESULT,
+                                method_copy_machine,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("OpenMachineRootDirectory",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("h", fd),
+                                method_open_machine_root_directory,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetMachineUIDShift",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("u", shift),
+                                method_get_machine_uid_shift,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("RemoveImage",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_NO_RESULT,
+                                method_remove_image,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("RenameImage",
+                                SD_BUS_ARGS("s", name, "s", new_name),
+                                SD_BUS_NO_RESULT,
+                                method_rename_image,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CloneImage",
+                                SD_BUS_ARGS("s", name, "s", new_name, "b", read_only),
+                                SD_BUS_NO_RESULT,
+                                method_clone_image,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("MarkImageReadOnly",
+                                SD_BUS_ARGS("s", name, "b", read_only),
+                                SD_BUS_NO_RESULT,
+                                method_mark_image_read_only,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetImageHostname",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("s", hostname),
+                                method_get_image_hostname,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetImageMachineID",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("ay", id),
+                                method_get_image_machine_id,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetImageMachineInfo",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("a{ss}", machine_info),
+                                method_get_image_machine_info,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("GetImageOSRelease",
+                                SD_BUS_ARGS("s", name),
+                                SD_BUS_RESULT("a{ss}", os_release),
+                                method_get_image_os_release,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("SetPoolLimit",
+                                SD_BUS_ARGS("t", size),
+                                SD_BUS_NO_RESULT,
+                                method_set_pool_limit,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("SetImageLimit",
+                                SD_BUS_ARGS("s", name, "t", size),
+                                SD_BUS_NO_RESULT,
+                                method_set_image_limit,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("CleanPool",
+                                SD_BUS_ARGS("s", mode),
+                                SD_BUS_RESULT("a(st)",images),
+                                method_clean_pool,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("MapFromMachineUser",
+                                SD_BUS_ARGS("s", name, "u", uid_inner),
+                                SD_BUS_RESULT("u", uid_outer),
+                                method_map_from_machine_user,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("MapToMachineUser",
+                                SD_BUS_ARGS("u", uid_outer),
+                                SD_BUS_RESULT("s", machine_name, "o", machine_path, "u", uid_inner),
+                                method_map_to_machine_user,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("MapFromMachineGroup",
+                                SD_BUS_ARGS("s", name, "u", gid_inner),
+                                SD_BUS_RESULT("u", gid_outer),
+                                method_map_from_machine_group,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("MapToMachineGroup",
+                                SD_BUS_ARGS("u", gid_outer),
+                                SD_BUS_RESULT("s", machine_name, "o", machine_path, "u", gid_inner),
+                                method_map_to_machine_group,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+
+        SD_BUS_SIGNAL_WITH_ARGS("MachineNew",
+                                SD_BUS_ARGS("s", machine, "o", path),
+                                0),
+        SD_BUS_SIGNAL_WITH_ARGS("MachineRemoved",
+                                SD_BUS_ARGS("s", machine, "o", path),
+                                0),
+
+        SD_BUS_VTABLE_END
+};
+
+const BusObjectImplementation manager_object = {
+        "/org/freedesktop/machine1",
+        "org.freedesktop.machine1.Manager",
+        .vtables = BUS_VTABLES(manager_vtable),
+        .children = BUS_IMPLEMENTATIONS( &machine_object,
+                                         &image_object ),
+};
+
+int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        const char *path, *result, *unit;
+        Manager *m = ASSERT_PTR(userdata);
+        Machine *machine;
+        uint32_t id;
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
+        if (r < 0) {
+                bus_log_parse_error(r);
+                return 0;
+        }
+
+        machine = hashmap_get(m->machine_units, unit);
+        if (!machine)
+                return 0;
+
+        if (streq_ptr(path, machine->scope_job)) {
+                machine->scope_job = mfree(machine->scope_job);
+
+                if (machine->started) {
+                        if (streq(result, "done"))
+                                machine_send_create_reply(machine, NULL);
+                        else {
+                                _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
+
+                                sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
+
+                                machine_send_create_reply(machine, &e);
+                        }
+                }
+
+                machine_save(machine);
+        }
+
+        machine_add_to_gc_queue(machine);
+        return 0;
+}
+
+int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *unit = NULL;
+        const char *path;
+        Manager *m = ASSERT_PTR(userdata);
+        Machine *machine;
+        int r;
+
+        assert(message);
+
+        path = sd_bus_message_get_path(message);
+        if (!path)
+                return 0;
+
+        r = unit_name_from_dbus_path(path, &unit);
+        if (r == -EINVAL) /* not for a unit */
+                return 0;
+        if (r < 0) {
+                log_oom();
+                return 0;
+        }
+
+        machine = hashmap_get(m->machine_units, unit);
+        if (!machine)
+                return 0;
+
+        machine_add_to_gc_queue(machine);
+        return 0;
+}
+
+int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        const char *path, *unit;
+        Manager *m = ASSERT_PTR(userdata);
+        Machine *machine;
+        int r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "so", &unit, &path);
+        if (r < 0) {
+                bus_log_parse_error(r);
+                return 0;
+        }
+
+        machine = hashmap_get(m->machine_units, unit);
+        if (!machine)
+                return 0;
+
+        machine_add_to_gc_queue(machine);
+        return 0;
+}
+
+int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = ASSERT_PTR(userdata);
+        Machine *machine;
+        int b, r;
+
+        assert(message);
+
+        r = sd_bus_message_read(message, "b", &b);
+        if (r < 0) {
+                bus_log_parse_error(r);
+                return 0;
+        }
+        if (b)
+                return 0;
+
+        /* systemd finished reloading, let's recheck all our machines */
+        log_debug("System manager has been reloaded, rechecking machines...");
+
+        HASHMAP_FOREACH(machine, m->machines)
+                machine_add_to_gc_queue(machine);
+
+        return 0;
+}
+
+int manager_unref_unit(
+                Manager *m,
+                const char *unit,
+                sd_bus_error *error) {
+
+        assert(m);
+        assert(unit);
+
+        return bus_call_method(m->bus, bus_systemd_mgr, "UnrefUnit", error, NULL, "s", unit);
+}
+
+int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        int r;
+
+        assert(manager);
+        assert(unit);
+
+        r = bus_call_method(manager->bus, bus_systemd_mgr, "StopUnit", error, &reply, "ss", unit, "fail");
+        if (r < 0) {
+                if (sd_bus_error_has_names(error, BUS_ERROR_NO_SUCH_UNIT,
+                                                  BUS_ERROR_LOAD_FAILED)) {
+
+                        if (job)
+                                *job = NULL;
+
+                        sd_bus_error_free(error);
+                        return 0;
+                }
+
+                return r;
+        }
+
+        if (job) {
+                const char *j;
+                char *copy;
+
+                r = sd_bus_message_read(reply, "o", &j);
+                if (r < 0)
+                        return r;
+
+                copy = strdup(j);
+                if (!copy)
+                        return -ENOMEM;
+
+                *job = copy;
+        }
+
+        return 1;
+}
+
+int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) {
+        assert(manager);
+        assert(unit);
+
+        return bus_call_method(manager->bus, bus_systemd_mgr, "KillUnit", error, NULL, "ssi", unit, "all", signo);
+}
+
+int manager_unit_is_active(Manager *manager, const char *unit) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_free_ char *path = NULL;
+        const char *state;
+        int r;
+
+        assert(manager);
+        assert(unit);
+
+        path = unit_dbus_path_from_name(unit);
+        if (!path)
+                return -ENOMEM;
+
+        r = sd_bus_get_property(
+                        manager->bus,
+                        "org.freedesktop.systemd1",
+                        path,
+                        "org.freedesktop.systemd1.Unit",
+                        "ActiveState",
+                        &error,
+                        &reply,
+                        "s");
+        if (r < 0) {
+                if (sd_bus_error_has_names(&error, SD_BUS_ERROR_NO_REPLY,
+                                                   SD_BUS_ERROR_DISCONNECTED))
+                        return true;
+
+                if (sd_bus_error_has_names(&error, BUS_ERROR_NO_SUCH_UNIT,
+                                                   BUS_ERROR_LOAD_FAILED))
+                        return false;
+
+                return r;
+        }
+
+        r = sd_bus_message_read(reply, "s", &state);
+        if (r < 0)
+                return -EINVAL;
+
+        return !STR_IN_SET(state, "inactive", "failed");
+}
+
+int manager_job_is_active(Manager *manager, const char *path) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        int r;
+
+        assert(manager);
+        assert(path);
+
+        r = sd_bus_get_property(
+                        manager->bus,
+                        "org.freedesktop.systemd1",
+                        path,
+                        "org.freedesktop.systemd1.Job",
+                        "State",
+                        &error,
+                        &reply,
+                        "s");
+        if (r < 0) {
+                if (sd_bus_error_has_names(&error, SD_BUS_ERROR_NO_REPLY,
+                                                   SD_BUS_ERROR_DISCONNECTED))
+                        return true;
+
+                if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
+                        return false;
+
+                return r;
+        }
+
+        /* We don't actually care about the state really. The fact
+         * that we could read the job state is enough for us */
+
+        return true;
+}
+
+int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) {
+        Machine *mm;
+        int r;
+
+        assert(m);
+        assert(pid >= 1);
+        assert(machine);
+
+        mm = hashmap_get(m->machine_leaders, PID_TO_PTR(pid));
+        if (!mm) {
+                _cleanup_free_ char *unit = NULL;
+
+                r = cg_pid_get_unit(pid, &unit);
+                if (r >= 0)
+                        mm = hashmap_get(m->machine_units, unit);
+        }
+        if (!mm)
+                return 0;
+
+        *machine = mm;
+        return 1;
+}
+
+int manager_add_machine(Manager *m, const char *name, Machine **_machine) {
+        Machine *machine;
+        int r;
+
+        assert(m);
+        assert(name);
+
+        machine = hashmap_get(m->machines, name);
+        if (!machine) {
+                r = machine_new(m, _MACHINE_CLASS_INVALID, name, &machine);
+                if (r < 0)
+                        return r;
+        }
+
+        if (_machine)
+                *_machine = machine;
+
+        return 0;
+}
diff --git a/src/machine/machined-varlink.c b/src/machine/machined-varlink.c
new file mode 100644
index 0000000..6ca98e2
--- /dev/null
+++ b/src/machine/machined-varlink.c
@@ -0,0 +1,426 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "format-util.h"
+#include "machined-varlink.h"
+#include "mkdir.h"
+#include "user-util.h"
+#include "varlink.h"
+#include "varlink-io.systemd.UserDatabase.h"
+
+typedef struct LookupParameters {
+        const char *user_name;
+        const char *group_name;
+        union {
+                uid_t uid;
+                gid_t gid;
+        };
+        const char *service;
+} LookupParameters;
+
+static int build_user_json(const char *user_name, uid_t uid, const char *real_name, JsonVariant **ret) {
+        assert(user_name);
+        assert(uid_is_valid(uid));
+        assert(ret);
+
+        return json_build(ret, JSON_BUILD_OBJECT(
+                                   JSON_BUILD_PAIR("record", JSON_BUILD_OBJECT(
+                                       JSON_BUILD_PAIR("userName", JSON_BUILD_STRING(user_name)),
+                                       JSON_BUILD_PAIR("uid", JSON_BUILD_UNSIGNED(uid)),
+                                       JSON_BUILD_PAIR("gid", JSON_BUILD_UNSIGNED(GID_NOBODY)),
+                                       JSON_BUILD_PAIR_CONDITION(!isempty(real_name), "realName", JSON_BUILD_STRING(real_name)),
+                                       JSON_BUILD_PAIR("homeDirectory", JSON_BUILD_CONST_STRING("/")),
+                                       JSON_BUILD_PAIR("shell", JSON_BUILD_STRING(NOLOGIN)),
+                                       JSON_BUILD_PAIR("locked", JSON_BUILD_BOOLEAN(true)),
+                                       JSON_BUILD_PAIR("service", JSON_BUILD_CONST_STRING("io.systemd.Machine")),
+                                       JSON_BUILD_PAIR("disposition", JSON_BUILD_CONST_STRING("container"))))));
+}
+
+static bool user_match_lookup_parameters(LookupParameters *p, const char *name, uid_t uid) {
+        assert(p);
+
+        if (p->user_name && !streq(name, p->user_name))
+                return false;
+
+        if (uid_is_valid(p->uid) && uid != p->uid)
+                return false;
+
+        return true;
+}
+
+static int user_lookup_uid(Manager *m, uid_t uid, char **ret_name, char **ret_real_name) {
+        _cleanup_free_ char *n = NULL, *rn = NULL;
+        uid_t converted_uid;
+        Machine *machine;
+        int r;
+
+        assert(m);
+        assert(uid_is_valid(uid));
+        assert(ret_name);
+        assert(ret_real_name);
+
+        if (uid < 0x10000) /* Host UID range */
+                return -ESRCH;
+
+        r = manager_find_machine_for_uid(m, uid, &machine, &converted_uid);
+        if (r < 0)
+                return r;
+        if (!r)
+                return -ESRCH;
+
+        if (asprintf(&n, "vu-%s-" UID_FMT, machine->name, converted_uid) < 0)
+                return -ENOMEM;
+
+        /* Don't synthesize invalid user/group names (too long...) */
+        if (!valid_user_group_name(n, 0))
+                return -ESRCH;
+
+        if (asprintf(&rn, "UID " UID_FMT " of Container %s", converted_uid, machine->name) < 0)
+                return -ENOMEM;
+
+        /* Don't synthesize invalid real names either, but since this field doesn't matter much, simply invalidate things */
+        if (!valid_gecos(rn))
+                rn = mfree(rn);
+
+        *ret_name = TAKE_PTR(n);
+        *ret_real_name = TAKE_PTR(rn);
+        return 0;
+}
+
+static int user_lookup_name(Manager *m, const char *name, uid_t *ret_uid, char **ret_real_name) {
+        _cleanup_free_ char *mn = NULL, *rn = NULL;
+        uid_t uid, converted_uid;
+        Machine *machine;
+        const char *e, *d;
+        int r;
+
+        assert(m);
+        assert(ret_uid);
+        assert(ret_real_name);
+
+        if (!valid_user_group_name(name, 0))
+                return -ESRCH;
+
+        e = startswith(name, "vu-");
+        if (!e)
+                return -ESRCH;
+
+        d = strrchr(e, '-');
+        if (!d)
+                return -ESRCH;
+
+        if (parse_uid(d + 1, &uid) < 0)
+                return -ESRCH;
+
+        mn = strndup(e, d - e);
+        if (!mn)
+                return -ENOMEM;
+
+        machine = hashmap_get(m->machines, mn);
+        if (!machine)
+                return -ESRCH;
+
+        if (machine->class != MACHINE_CONTAINER)
+                return -ESRCH;
+
+        r = machine_translate_uid(machine, uid, &converted_uid);
+        if (r < 0)
+                return r;
+
+        if (asprintf(&rn, "UID " UID_FMT " of Container %s", uid, machine->name) < 0)
+                return -ENOMEM;
+        if (!valid_gecos(rn))
+                rn = mfree(rn);
+
+        *ret_uid = converted_uid;
+        *ret_real_name = TAKE_PTR(rn);
+        return 0;
+}
+
+static int vl_method_get_user_record(Varlink *link, JsonVariant *parameters, VarlinkMethodFlags flags, void *userdata) {
+
+        static const JsonDispatch dispatch_table[] = {
+                { "uid",      JSON_VARIANT_UNSIGNED, json_dispatch_uid_gid,      offsetof(LookupParameters, uid),       0         },
+                { "userName", JSON_VARIANT_STRING,   json_dispatch_const_string, offsetof(LookupParameters, user_name), JSON_SAFE },
+                { "service",  JSON_VARIANT_STRING,   json_dispatch_const_string, offsetof(LookupParameters, service),   0         },
+                {}
+        };
+
+        _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+        LookupParameters p = {
+                .uid = UID_INVALID,
+        };
+        _cleanup_free_ char *found_name = NULL, *found_real_name = NULL;
+        uid_t found_uid = UID_INVALID, uid;
+        Manager *m = ASSERT_PTR(userdata);
+        const char *un;
+        int r;
+
+        assert(parameters);
+
+        r = varlink_dispatch(link, parameters, dispatch_table, &p);
+        if (r != 0)
+                return r;
+
+        if (!streq_ptr(p.service, "io.systemd.Machine"))
+                return varlink_error(link, "io.systemd.UserDatabase.BadService", NULL);
+
+        if (uid_is_valid(p.uid))
+                r = user_lookup_uid(m, p.uid, &found_name, &found_real_name);
+        else if (p.user_name)
+                r = user_lookup_name(m, p.user_name, &found_uid, &found_real_name);
+        else
+                return varlink_error(link, "io.systemd.UserDatabase.EnumerationNotSupported", NULL);
+        if (r == -ESRCH)
+                return varlink_error(link, "io.systemd.UserDatabase.NoRecordFound", NULL);
+        if (r < 0)
+                return r;
+
+        uid = uid_is_valid(found_uid) ? found_uid : p.uid;
+        un = found_name ?: p.user_name;
+
+        if (!user_match_lookup_parameters(&p, un, uid))
+                return varlink_error(link, "io.systemd.UserDatabase.ConflictingRecordFound", NULL);
+
+        r = build_user_json(un, uid, found_real_name, &v);
+        if (r < 0)
+                return r;
+
+        return varlink_reply(link, v);
+}
+
+static int build_group_json(const char *group_name, gid_t gid, const char *description, JsonVariant **ret) {
+        assert(group_name);
+        assert(gid_is_valid(gid));
+        assert(ret);
+
+        return json_build(ret, JSON_BUILD_OBJECT(
+                                   JSON_BUILD_PAIR("record", JSON_BUILD_OBJECT(
+                                       JSON_BUILD_PAIR("groupName", JSON_BUILD_STRING(group_name)),
+                                       JSON_BUILD_PAIR("gid", JSON_BUILD_UNSIGNED(gid)),
+                                       JSON_BUILD_PAIR_CONDITION(!isempty(description), "description", JSON_BUILD_STRING(description)),
+                                       JSON_BUILD_PAIR("service", JSON_BUILD_CONST_STRING("io.systemd.Machine")),
+                                       JSON_BUILD_PAIR("disposition", JSON_BUILD_CONST_STRING("container"))))));
+    }
+
+static bool group_match_lookup_parameters(LookupParameters *p, const char *name, gid_t gid) {
+        assert(p);
+
+        if (p->group_name && !streq(name, p->group_name))
+                return false;
+
+        if (gid_is_valid(p->gid) && gid != p->gid)
+                return false;
+
+        return true;
+}
+
+static int group_lookup_gid(Manager *m, gid_t gid, char **ret_name, char **ret_description) {
+        _cleanup_free_ char *n = NULL, *d = NULL;
+        gid_t converted_gid;
+        Machine *machine;
+        int r;
+
+        assert(m);
+        assert(gid_is_valid(gid));
+        assert(ret_name);
+        assert(ret_description);
+
+        if (gid < 0x10000) /* Host GID range */
+                return -ESRCH;
+
+        r = manager_find_machine_for_gid(m, gid, &machine, &converted_gid);
+        if (r < 0)
+                return r;
+        if (!r)
+                return -ESRCH;
+
+        if (asprintf(&n, "vg-%s-" GID_FMT, machine->name, converted_gid) < 0)
+                return -ENOMEM;
+
+        if (!valid_user_group_name(n, 0))
+                return -ESRCH;
+
+        if (asprintf(&d, "GID " GID_FMT " of Container %s", converted_gid, machine->name) < 0)
+                return -ENOMEM;
+        if (!valid_gecos(d))
+                d = mfree(d);
+
+        *ret_name = TAKE_PTR(n);
+        *ret_description = TAKE_PTR(d);
+
+        return 0;
+}
+
+static int group_lookup_name(Manager *m, const char *name, gid_t *ret_gid, char **ret_description) {
+        _cleanup_free_ char *mn = NULL, *desc = NULL;
+        gid_t gid, converted_gid;
+        Machine *machine;
+        const char *e, *d;
+        int r;
+
+        assert(m);
+        assert(ret_gid);
+        assert(ret_description);
+
+        if (!valid_user_group_name(name, 0))
+                return -ESRCH;
+
+        e = startswith(name, "vg-");
+        if (!e)
+                return -ESRCH;
+
+        d = strrchr(e, '-');
+        if (!d)
+                return -ESRCH;
+
+        if (parse_gid(d + 1, &gid) < 0)
+                return -ESRCH;
+
+        mn = strndup(e, d - e);
+        if (!mn)
+                return -ENOMEM;
+
+        machine = hashmap_get(m->machines, mn);
+        if (!machine)
+                return -ESRCH;
+
+        if (machine->class != MACHINE_CONTAINER)
+                return -ESRCH;
+
+        r = machine_translate_gid(machine, gid, &converted_gid);
+        if (r < 0)
+                return r;
+
+        if (asprintf(&desc, "GID " GID_FMT " of Container %s", gid, machine->name) < 0)
+                return -ENOMEM;
+        if (!valid_gecos(desc))
+                desc = mfree(desc);
+
+        *ret_gid = converted_gid;
+        *ret_description = TAKE_PTR(desc);
+        return 0;
+}
+
+static int vl_method_get_group_record(Varlink *link, JsonVariant *parameters, VarlinkMethodFlags flags, void *userdata) {
+
+        static const JsonDispatch dispatch_table[] = {
+                { "gid",       JSON_VARIANT_UNSIGNED, json_dispatch_uid_gid,      offsetof(LookupParameters, gid),        0         },
+                { "groupName", JSON_VARIANT_STRING,   json_dispatch_const_string, offsetof(LookupParameters, group_name), JSON_SAFE },
+                { "service",   JSON_VARIANT_STRING,   json_dispatch_const_string, offsetof(LookupParameters, service),    0         },
+                {}
+        };
+
+        _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+        LookupParameters p = {
+                .gid = GID_INVALID,
+        };
+        _cleanup_free_ char *found_name = NULL, *found_description = NULL;
+        uid_t found_gid = GID_INVALID, gid;
+        Manager *m = ASSERT_PTR(userdata);
+        const char *gn;
+        int r;
+
+        assert(parameters);
+
+        r = varlink_dispatch(link, parameters, dispatch_table, &p);
+        if (r != 0)
+                return r;
+
+        if (!streq_ptr(p.service, "io.systemd.Machine"))
+                return varlink_error(link, "io.systemd.UserDatabase.BadService", NULL);
+
+        if (gid_is_valid(p.gid))
+                r = group_lookup_gid(m, p.gid, &found_name, &found_description);
+        else if (p.group_name)
+                r = group_lookup_name(m, p.group_name, (uid_t*) &found_gid, &found_description);
+        else
+                return varlink_error(link, "io.systemd.UserDatabase.EnumerationNotSupported", NULL);
+        if (r == -ESRCH)
+                return varlink_error(link, "io.systemd.UserDatabase.NoRecordFound", NULL);
+        if (r < 0)
+                return r;
+
+        gid = gid_is_valid(found_gid) ? found_gid : p.gid;
+        gn = found_name ?: p.group_name;
+
+        if (!group_match_lookup_parameters(&p, gn, gid))
+                return varlink_error(link, "io.systemd.UserDatabase.ConflictingRecordFound", NULL);
+
+        r = build_group_json(gn, gid, found_description, &v);
+        if (r < 0)
+                return r;
+
+        return varlink_reply(link, v);
+}
+
+static int vl_method_get_memberships(Varlink *link, JsonVariant *parameters, VarlinkMethodFlags flags, void *userdata) {
+
+        static const JsonDispatch dispatch_table[] = {
+                { "userName",  JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(LookupParameters, user_name),  JSON_SAFE },
+                { "groupName", JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(LookupParameters, group_name), JSON_SAFE },
+                { "service",   JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(LookupParameters, service),    0         },
+                {}
+        };
+
+        LookupParameters p = {};
+        int r;
+
+        assert(parameters);
+
+        r = varlink_dispatch(link, parameters, dispatch_table, &p);
+        if (r != 0)
+                return r;
+
+        if (!streq_ptr(p.service, "io.systemd.Machine"))
+                return varlink_error(link, "io.systemd.UserDatabase.BadService", NULL);
+
+        /* We don't support auxiliary groups for machines. */
+        return varlink_error(link, "io.systemd.UserDatabase.NoRecordFound", NULL);
+}
+
+int manager_varlink_init(Manager *m) {
+        _cleanup_(varlink_server_unrefp) VarlinkServer *s = NULL;
+        int r;
+
+        assert(m);
+
+        if (m->varlink_server)
+                return 0;
+
+        r = varlink_server_new(&s, VARLINK_SERVER_ACCOUNT_UID|VARLINK_SERVER_INHERIT_USERDATA);
+        if (r < 0)
+                return log_error_errno(r, "Failed to allocate varlink server object: %m");
+
+        varlink_server_set_userdata(s, m);
+
+        r = varlink_server_add_interface(s, &vl_interface_io_systemd_UserDatabase);
+        if (r < 0)
+                return log_error_errno(r, "Failed to add UserDatabase interface to varlink server: %m");
+
+        r = varlink_server_bind_method_many(
+                        s,
+                        "io.systemd.UserDatabase.GetUserRecord",  vl_method_get_user_record,
+                        "io.systemd.UserDatabase.GetGroupRecord", vl_method_get_group_record,
+                        "io.systemd.UserDatabase.GetMemberships", vl_method_get_memberships);
+        if (r < 0)
+                return log_error_errno(r, "Failed to register varlink methods: %m");
+
+        (void) mkdir_p("/run/systemd/userdb", 0755);
+
+        r = varlink_server_listen_address(s, "/run/systemd/userdb/io.systemd.Machine", 0666);
+        if (r < 0)
+                return log_error_errno(r, "Failed to bind to varlink socket: %m");
+
+        r = varlink_server_attach_event(s, m->event, SD_EVENT_PRIORITY_NORMAL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to attach varlink connection to event loop: %m");
+
+        m->varlink_server = TAKE_PTR(s);
+        return 0;
+}
+
+void manager_varlink_done(Manager *m) {
+        assert(m);
+
+        m->varlink_server = varlink_server_unref(m->varlink_server);
+}
diff --git a/src/machine/machined-varlink.h b/src/machine/machined-varlink.h
new file mode 100644
index 0000000..f26bbe5
--- /dev/null
+++ b/src/machine/machined-varlink.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "machined.h"
+
+int manager_varlink_init(Manager *m);
+void manager_varlink_done(Manager *m);
diff --git a/src/machine/machined.c b/src/machine/machined.c
new file mode 100644
index 0000000..58a407d
--- /dev/null
+++ b/src/machine/machined.c
@@ -0,0 +1,378 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "alloc-util.h"
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "bus-log-control-api.h"
+#include "bus-polkit.h"
+#include "cgroup-util.h"
+#include "common-signal.h"
+#include "daemon-util.h"
+#include "dirent-util.h"
+#include "discover-image.h"
+#include "fd-util.h"
+#include "format-util.h"
+#include "hostname-util.h"
+#include "machined-varlink.h"
+#include "machined.h"
+#include "main-func.h"
+#include "mkdir-label.h"
+#include "process-util.h"
+#include "service-util.h"
+#include "signal-util.h"
+#include "special.h"
+
+static Manager* manager_unref(Manager *m);
+DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_unref);
+
+DEFINE_PRIVATE_HASH_OPS_WITH_VALUE_DESTRUCTOR(machine_hash_ops, char, string_hash_func, string_compare_func, Machine, machine_free);
+
+static int manager_new(Manager **ret) {
+        _cleanup_(manager_unrefp) Manager *m = NULL;
+        int r;
+
+        assert(ret);
+
+        m = new0(Manager, 1);
+        if (!m)
+                return -ENOMEM;
+
+        m->machines = hashmap_new(&machine_hash_ops);
+        m->machine_units = hashmap_new(&string_hash_ops);
+        m->machine_leaders = hashmap_new(NULL);
+
+        if (!m->machines || !m->machine_units || !m->machine_leaders)
+                return -ENOMEM;
+
+        r = sd_event_default(&m->event);
+        if (r < 0)
+                return r;
+
+        r = sd_event_add_signal(m->event, NULL, SIGINT, NULL, NULL);
+        if (r < 0)
+                return r;
+
+        r = sd_event_add_signal(m->event, NULL, SIGTERM, NULL, NULL);
+        if (r < 0)
+                return r;
+
+        r = sd_event_add_signal(m->event, NULL, SIGRTMIN+18, sigrtmin18_handler, NULL);
+        if (r < 0)
+                return r;
+
+        r = sd_event_add_memory_pressure(m->event, NULL, NULL, NULL);
+        if (r < 0)
+                log_full_errno(ERRNO_IS_NOT_SUPPORTED(r) || ERRNO_IS_PRIVILEGE(r) || r == -EHOSTDOWN ? LOG_DEBUG : LOG_NOTICE, r,
+                               "Unable to create memory pressure event source, ignoring: %m");
+
+        (void) sd_event_set_watchdog(m->event, true);
+
+        *ret = TAKE_PTR(m);
+        return 0;
+}
+
+static Manager* manager_unref(Manager *m) {
+        if (!m)
+                return NULL;
+
+        while (m->operations)
+                operation_free(m->operations);
+
+        assert(m->n_operations == 0);
+
+        hashmap_free(m->machines); /* This will free all machines, so that the machine_units/machine_leaders is empty */
+        hashmap_free(m->machine_units);
+        hashmap_free(m->machine_leaders);
+        hashmap_free(m->image_cache);
+
+        sd_event_source_unref(m->image_cache_defer_event);
+#if ENABLE_NSCD
+        sd_event_source_unref(m->nscd_cache_flush_event);
+#endif
+
+        bus_verify_polkit_async_registry_free(m->polkit_registry);
+
+        manager_varlink_done(m);
+
+        sd_bus_flush_close_unref(m->bus);
+        sd_event_unref(m->event);
+
+        return mfree(m);
+}
+
+static int manager_add_host_machine(Manager *m) {
+        _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
+        _cleanup_free_ char *rd = NULL, *unit = NULL;
+        sd_id128_t mid;
+        Machine *t;
+        int r;
+
+        if (m->host_machine)
+                return 0;
+
+        r = sd_id128_get_machine(&mid);
+        if (r < 0)
+                return log_error_errno(r, "Failed to get machine ID: %m");
+
+        rd = strdup("/");
+        if (!rd)
+                return log_oom();
+
+        unit = strdup(SPECIAL_ROOT_SLICE);
+        if (!unit)
+                return log_oom();
+
+        r = pidref_set_pid(&pidref, 1);
+        if (r < 0)
+                return log_error_errno(r, "Failed to open reference to PID 1: %m");
+
+        r = machine_new(m, MACHINE_HOST, ".host", &t);
+        if (r < 0)
+                return log_error_errno(r, "Failed to create machine: %m");
+
+        t->leader = TAKE_PIDREF(pidref);
+        t->id = mid;
+
+        t->root_directory = TAKE_PTR(rd);
+        t->unit = TAKE_PTR(unit);
+
+        dual_timestamp_from_boottime(&t->timestamp, 0);
+
+        m->host_machine = t;
+
+        return 0;
+}
+
+static int manager_enumerate_machines(Manager *m) {
+        _cleanup_closedir_ DIR *d = NULL;
+        int r;
+
+        assert(m);
+
+        r = manager_add_host_machine(m);
+        if (r < 0)
+                return r;
+
+        /* Read in machine data stored on disk */
+        d = opendir("/run/systemd/machines");
+        if (!d) {
+                if (errno == ENOENT)
+                        return 0;
+
+                return log_error_errno(errno, "Failed to open /run/systemd/machines: %m");
+        }
+
+        FOREACH_DIRENT(de, d, return -errno) {
+                struct Machine *machine;
+                int k;
+
+                if (!dirent_is_file(de))
+                        continue;
+
+                /* Ignore symlinks that map the unit name to the machine */
+                if (startswith(de->d_name, "unit:"))
+                        continue;
+
+                if (!hostname_is_valid(de->d_name, 0))
+                        continue;
+
+                k = manager_add_machine(m, de->d_name, &machine);
+                if (k < 0) {
+                        r = log_error_errno(k, "Failed to add machine by file name %s: %m", de->d_name);
+                        continue;
+                }
+
+                machine_add_to_gc_queue(machine);
+
+                k = machine_load(machine);
+                if (k < 0)
+                        r = k;
+        }
+
+        return r;
+}
+
+static int manager_connect_bus(Manager *m) {
+        int r;
+
+        assert(m);
+        assert(!m->bus);
+
+        r = sd_bus_default_system(&m->bus);
+        if (r < 0)
+                return log_error_errno(r, "Failed to connect to system bus: %m");
+
+        r = bus_add_implementation(m->bus, &manager_object, m);
+        if (r < 0)
+                return r;
+
+        r = bus_match_signal_async(m->bus, NULL, bus_systemd_mgr, "JobRemoved", match_job_removed, NULL, m);
+        if (r < 0)
+                return log_error_errno(r, "Failed to add match for JobRemoved: %m");
+
+        r = bus_match_signal_async(m->bus, NULL, bus_systemd_mgr, "UnitRemoved", match_unit_removed, NULL, m);
+        if (r < 0)
+                return log_error_errno(r, "Failed to request match for UnitRemoved: %m");
+
+        r = sd_bus_match_signal_async(
+                        m->bus,
+                        NULL,
+                        "org.freedesktop.systemd1",
+                        NULL,
+                        "org.freedesktop.DBus.Properties",
+                        "PropertiesChanged",
+                        match_properties_changed, NULL, m);
+        if (r < 0)
+                return log_error_errno(r, "Failed to request match for PropertiesChanged: %m");
+
+        r = bus_match_signal_async(m->bus, NULL, bus_systemd_mgr, "Reloading", match_reloading, NULL, m);
+        if (r < 0)
+                return log_error_errno(r, "Failed to request match for Reloading: %m");
+
+        r = bus_call_method_async(m->bus, NULL, bus_systemd_mgr, "Subscribe", NULL, NULL, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to enable subscription: %m");
+
+        r = bus_log_control_api_register(m->bus);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_request_name_async(m->bus, NULL, "org.freedesktop.machine1", 0, NULL, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to request name: %m");
+
+        r = sd_bus_attach_event(m->bus, m->event, 0);
+        if (r < 0)
+                return log_error_errno(r, "Failed to attach bus to event loop: %m");
+
+        return 0;
+}
+
+static void manager_gc(Manager *m, bool drop_not_started) {
+        Machine *machine;
+
+        assert(m);
+
+        while ((machine = LIST_POP(gc_queue, m->machine_gc_queue))) {
+                machine->in_gc_queue = false;
+
+                /* First, if we are not closing yet, initiate stopping */
+                if (machine_may_gc(machine, drop_not_started) &&
+                    machine_get_state(machine) != MACHINE_CLOSING)
+                        machine_stop(machine);
+
+                /* Now, the stop probably made this referenced
+                 * again, but if it didn't, then it's time to let it
+                 * go entirely. */
+                if (machine_may_gc(machine, drop_not_started)) {
+                        machine_finalize(machine);
+                        machine_free(machine);
+                }
+        }
+}
+
+static int manager_startup(Manager *m) {
+        Machine *machine;
+        int r;
+
+        assert(m);
+
+        /* Connect to the bus */
+        r = manager_connect_bus(m);
+        if (r < 0)
+                return r;
+
+        /* Set up Varlink service */
+        r = manager_varlink_init(m);
+        if (r < 0)
+                return r;
+
+        /* Deserialize state */
+        manager_enumerate_machines(m);
+
+        /* Remove stale objects before we start them */
+        manager_gc(m, false);
+
+        /* And start everything */
+        HASHMAP_FOREACH(machine, m->machines)
+                machine_start(machine, NULL, NULL);
+
+        return 0;
+}
+
+static bool check_idle(void *userdata) {
+        Manager *m = userdata;
+
+        if (m->operations)
+                return false;
+
+        if (varlink_server_current_connections(m->varlink_server) > 0)
+                return false;
+
+        manager_gc(m, true);
+
+        return hashmap_isempty(m->machines);
+}
+
+static int manager_run(Manager *m) {
+        assert(m);
+
+        return bus_event_loop_with_idle(
+                        m->event,
+                        m->bus,
+                        "org.freedesktop.machine1",
+                        DEFAULT_EXIT_USEC,
+                        check_idle, m);
+}
+
+static int run(int argc, char *argv[]) {
+        _cleanup_(manager_unrefp) Manager *m = NULL;
+        int r;
+
+        log_set_facility(LOG_AUTH);
+        log_setup();
+
+        r = service_parse_argv("systemd-machined.service",
+                               "Manage registrations of local VMs and containers.",
+                               BUS_IMPLEMENTATIONS(&manager_object,
+                                                   &log_control_object),
+                               argc, argv);
+        if (r <= 0)
+                return r;
+
+        umask(0022);
+
+        /* Always create the directories people can create inotify watches in. Note that some applications might check
+         * for the existence of /run/systemd/machines/ to determine whether machined is available, so please always
+         * make sure this check stays in. */
+        (void) mkdir_label("/run/systemd/machines", 0755);
+
+        assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, SIGTERM, SIGINT, SIGRTMIN+18, -1) >= 0);
+
+        r = manager_new(&m);
+        if (r < 0)
+                return log_error_errno(r, "Failed to allocate manager object: %m");
+
+        r = manager_startup(m);
+        if (r < 0)
+                return log_error_errno(r, "Failed to fully start up daemon: %m");
+
+        log_debug("systemd-machined running as pid "PID_FMT, getpid_cached());
+        r = sd_notify(false, NOTIFY_READY);
+        if (r < 0)
+                log_warning_errno(r, "Failed to send readiness notification, ignoring: %m");
+
+        r = manager_run(m);
+
+        (void) sd_notify(false, NOTIFY_STOPPING);
+        log_debug("systemd-machined stopped as pid "PID_FMT, getpid_cached());
+        return r;
+}
+
+DEFINE_MAIN_FUNCTION(run);
diff --git a/src/machine/machined.h b/src/machine/machined.h
new file mode 100644
index 0000000..280c32b
--- /dev/null
+++ b/src/machine/machined.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+
+#include "sd-bus.h"
+#include "sd-event.h"
+
+typedef struct Manager Manager;
+
+#include "hashmap.h"
+#include "image-dbus.h"
+#include "list.h"
+#include "machine-dbus.h"
+#include "machine.h"
+#include "operation.h"
+#include "varlink.h"
+
+struct Manager {
+        sd_event *event;
+        sd_bus *bus;
+
+        Hashmap *machines;
+        Hashmap *machine_units;
+        Hashmap *machine_leaders;
+
+        Hashmap *polkit_registry;
+
+        Hashmap *image_cache;
+        sd_event_source *image_cache_defer_event;
+
+        LIST_HEAD(Machine, machine_gc_queue);
+
+        Machine *host_machine;
+
+        LIST_HEAD(Operation, operations);
+        unsigned n_operations;
+
+#if ENABLE_NSCD
+        sd_event_source *nscd_cache_flush_event;
+#endif
+
+        VarlinkServer *varlink_server;
+};
+
+int manager_add_machine(Manager *m, const char *name, Machine **_machine);
+int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine);
+
+extern const BusObjectImplementation manager_object;
+
+int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
+
+int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
+int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error);
+int manager_unref_unit(Manager *m, const char *unit, sd_bus_error *error);
+int manager_unit_is_active(Manager *manager, const char *unit);
+int manager_job_is_active(Manager *manager, const char *path);
+
+#if ENABLE_NSCD
+int manager_enqueue_nscd_cache_flush(Manager *m);
+#else
+static inline void manager_enqueue_nscd_cache_flush(Manager *m) {}
+#endif
+
+int manager_find_machine_for_uid(Manager *m, uid_t host_uid, Machine **ret_machine, uid_t *ret_internal_uid);
+int manager_find_machine_for_gid(Manager *m, gid_t host_gid, Machine **ret_machine, gid_t *ret_internal_gid);
diff --git a/src/machine/meson.build b/src/machine/meson.build
new file mode 100644
index 0000000..b3a1ffc
--- /dev/null
+++ b/src/machine/meson.build
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+libmachine_core_sources = files(
+        'image-dbus.c',
+        'machine-dbus.c',
+        'machine.c',
+        'machined-core.c',
+        'machined-dbus.c',
+        'machined-varlink.c',
+        'operation.c',
+)
+
+libmachine_core = static_library(
+        'machine-core',
+        libmachine_core_sources,
+        include_directories : includes,
+        dependencies : [threads,
+                        userspace],
+        build_by_default : false)
+
+executables += [
+        libexec_template + {
+                'name' : 'systemd-machined',
+                'dbus' : true,
+                'conditions' : ['ENABLE_MACHINED'],
+                'sources' : files('machined.c'),
+                'link_with' : [
+                        libmachine_core,
+                        libshared,
+                ],
+        },
+        executable_template + {
+                'name' : 'machinectl',
+                'public' : true,
+                'conditions' : ['ENABLE_MACHINED'],
+                'sources' : files('machinectl.c'),
+                'dependencies' : [
+                        liblz4,
+                        libxz,
+                        libzstd,
+                        threads,
+                ],
+        },
+        test_template + {
+                'sources' : files('test-machine-tables.c'),
+                'link_with': [
+                        libmachine_core,
+                        libshared
+                ],
+                'dependencies': threads,
+        },
+]
+
+if conf.get('ENABLE_MACHINED') == 1
+        install_data('org.freedesktop.machine1.conf',
+                     install_dir : dbuspolicydir)
+        install_data('org.freedesktop.machine1.service',
+                     install_dir : dbussystemservicedir)
+        install_data('org.freedesktop.machine1.policy',
+                     install_dir : polkitpolicydir)
+endif
diff --git a/src/machine/operation.c b/src/machine/operation.c
new file mode 100644
index 0000000..87c62a9
--- /dev/null
+++ b/src/machine/operation.c
@@ -0,0 +1,138 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "operation.h"
+#include "process-util.h"
+
+static int operation_done(sd_event_source *s, const siginfo_t *si, void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        Operation *o = ASSERT_PTR(userdata);
+        int r;
+
+        assert(si);
+
+        log_debug("Operation " PID_FMT " is now complete with code=%s status=%i",
+                  o->pid,
+                  sigchld_code_to_string(si->si_code), si->si_status);
+
+        o->pid = 0;
+
+        if (si->si_code != CLD_EXITED) {
+                r = sd_bus_error_set(&error, SD_BUS_ERROR_FAILED, "Child died abnormally.");
+                goto fail;
+        }
+
+        if (si->si_status == EXIT_SUCCESS)
+                r = 0;
+        else if (read(o->errno_fd, &r, sizeof(r)) != sizeof(r)) { /* Try to acquire error code for failed operation */
+                r = sd_bus_error_set(&error, SD_BUS_ERROR_FAILED, "Child failed.");
+                goto fail;
+        }
+
+        if (o->done) {
+                /* A completion routine is set for this operation, call it. */
+                r = o->done(o, r, &error);
+                if (r < 0) {
+                        if (!sd_bus_error_is_set(&error))
+                                sd_bus_error_set_errno(&error, r);
+
+                        goto fail;
+                }
+
+        } else {
+                /* The default operation when done is to simply return an error on failure or an empty success
+                 * message on success. */
+                if (r < 0) {
+                        sd_bus_error_set_errno(&error, r);
+                        goto fail;
+                }
+
+                r = sd_bus_reply_method_return(o->message, NULL);
+                if (r < 0)
+                        log_error_errno(r, "Failed to reply to message: %m");
+        }
+
+        operation_free(o);
+        return 0;
+
+fail:
+        r = sd_bus_reply_method_error(o->message, &error);
+        if (r < 0)
+                log_error_errno(r, "Failed to reply to message: %m");
+
+        operation_free(o);
+        return 0;
+}
+
+int operation_new(Manager *manager, Machine *machine, pid_t child, sd_bus_message *message, int errno_fd, Operation **ret) {
+        Operation *o;
+        int r;
+
+        assert(manager);
+        assert(child > 1);
+        assert(message);
+        assert(errno_fd >= 0);
+
+        o = new0(Operation, 1);
+        if (!o)
+                return -ENOMEM;
+
+        o->extra_fd = -EBADF;
+
+        r = sd_event_add_child(manager->event, &o->event_source, child, WEXITED, operation_done, o);
+        if (r < 0) {
+                free(o);
+                return r;
+        }
+
+        o->pid = child;
+        o->message = sd_bus_message_ref(message);
+        o->errno_fd = errno_fd;
+
+        LIST_PREPEND(operations, manager->operations, o);
+        manager->n_operations++;
+        o->manager = manager;
+
+        if (machine) {
+                LIST_PREPEND(operations_by_machine, machine->operations, o);
+                o->machine = machine;
+        }
+
+        log_debug("Started new operation " PID_FMT ".", child);
+
+        /* At this point we took ownership of both the child and the errno file descriptor! */
+
+        if (ret)
+                *ret = o;
+
+        return 0;
+}
+
+Operation *operation_free(Operation *o) {
+        if (!o)
+                return NULL;
+
+        sd_event_source_unref(o->event_source);
+
+        safe_close(o->errno_fd);
+        safe_close(o->extra_fd);
+
+        if (o->pid > 1)
+                (void) sigkill_wait(o->pid);
+
+        sd_bus_message_unref(o->message);
+
+        if (o->manager) {
+                LIST_REMOVE(operations, o->manager->operations, o);
+                o->manager->n_operations--;
+        }
+
+        if (o->machine)
+                LIST_REMOVE(operations_by_machine, o->machine->operations, o);
+
+        return mfree(o);
+}
diff --git a/src/machine/operation.h b/src/machine/operation.h
new file mode 100644
index 0000000..fd48288
--- /dev/null
+++ b/src/machine/operation.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <sys/types.h>
+
+#include "sd-bus.h"
+#include "sd-event.h"
+
+#include "list.h"
+
+typedef struct Operation Operation;
+
+#include "machined.h"
+
+#define OPERATIONS_MAX 64
+
+struct Operation {
+        Manager *manager;
+        Machine *machine;
+        pid_t pid;
+        sd_bus_message *message;
+        int errno_fd;
+        int extra_fd;
+        sd_event_source *event_source;
+        int (*done)(Operation *o, int ret, sd_bus_error *error);
+        LIST_FIELDS(Operation, operations);
+        LIST_FIELDS(Operation, operations_by_machine);
+};
+
+int operation_new(Manager *manager, Machine *machine, pid_t child, sd_bus_message *message, int errno_fd, Operation **ret);
+Operation *operation_free(Operation *o);
diff --git a/src/machine/org.freedesktop.machine1.conf b/src/machine/org.freedesktop.machine1.conf
new file mode 100644
index 0000000..bafc1af
--- /dev/null
+++ b/src/machine/org.freedesktop.machine1.conf
@@ -0,0 +1,242 @@
+<?xml version="1.0"?> <!--*-nxml-*-->
+<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
+        "https://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+
+<!--
+  This file is part of systemd.
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+-->
+
+<busconfig>
+
+        <policy user="root">
+                <allow own="org.freedesktop.machine1"/>
+                <allow send_destination="org.freedesktop.machine1"/>
+                <allow receive_sender="org.freedesktop.machine1"/>
+        </policy>
+
+        <policy context="default">
+                <deny send_destination="org.freedesktop.machine1"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.DBus.Introspectable"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.DBus.Peer"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.DBus.Properties"
+                       send_member="Get"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.DBus.Properties"
+                       send_member="GetAll"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="ListMachines"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="ListImages"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="GetMachine"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="GetMachineByPID"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="GetImage"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="GetMachineAddresses"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="GetMachineOSRelease"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="GetMachineUIDShift"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="OpenMachineLogin"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="OpenMachineShell"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="UnregisterMachine"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="TerminateMachine"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="KillMachine"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="BindMountMachine"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="CopyFromMachine"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="CopyToMachine"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="RemoveImage"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="RenameImage"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="CloneImage"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="MarkImageReadOnly"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="SetPoolLimit"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="SetImageLimit"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="GetImageHostname"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="GetImageMachineID"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="GetImageMachineInfo"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="GetImageOSRelease"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="CleanPool"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="MapFromMachineUser"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="MapToMachineUser"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="MapFromMachineGroup"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Manager"
+                       send_member="MapToMachineGroup"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Machine"
+                       send_member="GetAddresses"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Machine"
+                       send_member="GetOSRelease"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Machine"
+                       send_member="GetUIDShift"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Machine"
+                       send_member="OpenLogin"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Machine"
+                       send_member="OpenShell"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Machine"
+                       send_member="Terminate"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Machine"
+                       send_member="Kill"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Machine"
+                       send_member="BindMount"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Machine"
+                       send_member="CopyFrom"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Machine"
+                       send_member="CopyTo"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Image"
+                       send_member="Remove"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Image"
+                       send_member="Rename"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Image"
+                       send_member="Clone"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Image"
+                       send_member="SetLimit"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Image"
+                       send_member="MarkReadOnly"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Image"
+                       send_member="GetHostname"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Image"
+                       send_member="GetMachineID"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Image"
+                       send_member="GetMachineInfo"/>
+
+                <allow send_destination="org.freedesktop.machine1"
+                       send_interface="org.freedesktop.machine1.Image"
+                       send_member="GetOSRelease"/>
+
+                <allow receive_sender="org.freedesktop.machine1"/>
+        </policy>
+
+</busconfig>
diff --git a/src/machine/org.freedesktop.machine1.policy b/src/machine/org.freedesktop.machine1.policy
new file mode 100644
index 0000000..f031e4e
--- /dev/null
+++ b/src/machine/org.freedesktop.machine1.policy
@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="UTF-8"?> <!--*-nxml-*-->
+<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
+        "https://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd">
+
+<!--
+  SPDX-License-Identifier: LGPL-2.1-or-later
+
+  This file is part of systemd.
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+-->
+
+<policyconfig>
+
+        <vendor>The systemd Project</vendor>
+        <vendor_url>https://systemd.io</vendor_url>
+
+        <action id="org.freedesktop.machine1.login">
+                <description gettext-domain="systemd">Log into a local container</description>
+                <message gettext-domain="systemd">Authentication is required to log into a local container.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+        </action>
+
+        <action id="org.freedesktop.machine1.host-login">
+                <description gettext-domain="systemd">Log into the local host</description>
+                <message gettext-domain="systemd">Authentication is required to log into the local host.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>yes</allow_active>
+                </defaults>
+        </action>
+
+        <action id="org.freedesktop.machine1.shell">
+                <description gettext-domain="systemd">Acquire a shell in a local container</description>
+                <message gettext-domain="systemd">Authentication is required to acquire a shell in a local container.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.imply">org.freedesktop.login1.login</annotate>
+        </action>
+
+        <action id="org.freedesktop.machine1.host-shell">
+                <description gettext-domain="systemd">Acquire a shell on the local host</description>
+                <message gettext-domain="systemd">Authentication is required to acquire a shell on the local host.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.imply">org.freedesktop.login1.host-login</annotate>
+        </action>
+
+        <action id="org.freedesktop.machine1.open-pty">
+                <description gettext-domain="systemd">Acquire a pseudo TTY in a local container</description>
+                <message gettext-domain="systemd">Authentication is required to acquire a pseudo TTY in a local container.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+        </action>
+
+        <action id="org.freedesktop.machine1.host-open-pty">
+                <description gettext-domain="systemd">Acquire a pseudo TTY on the local host</description>
+                <message gettext-domain="systemd">Authentication is required to acquire a pseudo TTY on the local host.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+        </action>
+
+        <action id="org.freedesktop.machine1.manage-machines">
+                <description gettext-domain="systemd">Manage local virtual machines and containers</description>
+                <message gettext-domain="systemd">Authentication is required to manage local virtual machines and containers.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.imply">org.freedesktop.login1.shell org.freedesktop.login1.login</annotate>
+        </action>
+
+        <action id="org.freedesktop.machine1.manage-images">
+                <description gettext-domain="systemd">Manage local virtual machine and container images</description>
+                <message gettext-domain="systemd">Authentication is required to manage local virtual machine and container images.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+        </action>
+
+</policyconfig>
diff --git a/src/machine/org.freedesktop.machine1.service b/src/machine/org.freedesktop.machine1.service
new file mode 100644
index 0000000..64b73c1
--- /dev/null
+++ b/src/machine/org.freedesktop.machine1.service
@@ -0,0 +1,14 @@
+#  SPDX-License-Identifier: LGPL-2.1-or-later
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[D-BUS Service]
+Name=org.freedesktop.machine1
+Exec=/bin/false
+User=root
+SystemdService=dbus-org.freedesktop.machine1.service
diff --git a/src/machine/test-machine-tables.c b/src/machine/test-machine-tables.c
new file mode 100644
index 0000000..32c5e0e
--- /dev/null
+++ b/src/machine/test-machine-tables.c
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "machine.h"
+#include "test-tables.h"
+#include "tests.h"
+
+int main(int argc, char **argv) {
+        test_setup_logging(LOG_DEBUG);
+
+        test_table(kill_who, KILL_WHO);
+        test_table(machine_class, MACHINE_CLASS);
+        test_table(machine_state, MACHINE_STATE);
+
+        return EXIT_SUCCESS;
+}