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-rw-r--r--src/machine/image-dbus.c505
-rw-r--r--src/machine/image-dbus.h19
-rw-r--r--src/machine/machine-dbus.c1563
-rw-r--r--src/machine/machine-dbus.h27
-rw-r--r--src/machine/machine.c907
-rw-r--r--src/machine/machine.h102
-rw-r--r--src/machine/machinectl.c2897
-rw-r--r--src/machine/machined-core.c104
-rw-r--r--src/machine/machined-dbus.c1617
-rw-r--r--src/machine/machined-varlink.c423
-rw-r--r--src/machine/machined-varlink.h7
-rw-r--r--src/machine/machined.c367
-rw-r--r--src/machine/machined.h63
-rw-r--r--src/machine/meson.build44
-rw-r--r--src/machine/operation.c138
-rw-r--r--src/machine/operation.h31
-rw-r--r--src/machine/org.freedesktop.machine1.conf242
-rw-r--r--src/machine/org.freedesktop.machine1.policy104
-rw-r--r--src/machine/org.freedesktop.machine1.service14
-rw-r--r--src/machine/test-machine-tables.c12
20 files changed, 9186 insertions, 0 deletions
diff --git a/src/machine/image-dbus.c b/src/machine/image-dbus.c
new file mode 100644
index 0000000..c157aaf
--- /dev/null
+++ b/src/machine/image-dbus.c
@@ -0,0 +1,505 @@
+/* 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 "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 "machine-image.h"
+#include "missing_capability.h"
+#include "mount-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] = { -1, -1 };
+ Image *image = userdata;
+ Manager *m = image->userdata;
+ pid_t child;
+ int r;
+
+ assert(message);
+ assert(image);
+
+ if (m->n_operations >= OPERATIONS_MAX)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations.");
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.manage-images",
+ NULL,
+ 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] = -1;
+
+ return 1;
+}
+
+int bus_image_method_rename(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Image *image = userdata;
+ Manager *m = image->userdata;
+ const char *new_name;
+ int r;
+
+ assert(message);
+ assert(image);
+
+ 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);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.manage-images",
+ NULL,
+ 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] = { -1, -1 };
+ Image *image = userdata;
+ Manager *m = image->userdata;
+ const char *new_name;
+ int r, read_only;
+ pid_t child;
+
+ assert(message);
+ assert(image);
+ assert(m);
+
+ if (m->n_operations >= OPERATIONS_MAX)
+ return sd_bus_error_setf(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);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.manage-images",
+ NULL,
+ 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] = -1;
+
+ 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 r, read_only;
+
+ assert(message);
+
+ r = sd_bus_message_read(message, "b", &read_only);
+ if (r < 0)
+ return r;
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.manage-images",
+ NULL,
+ 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_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range");
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.manage-images",
+ NULL,
+ 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);
+ 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);
+ 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);
+ 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);
+ 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 = userdata;
+
+ assert(s);
+ assert(m);
+
+ 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;
+ }
+
+ r = hashmap_ensure_allocated(&m->image_cache, &image_hash_ops);
+ if (r < 0)
+ return r;
+
+ 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, &image);
+ if (r == -ENOENT)
+ return 0;
+ if (r < 0)
+ return r;
+
+ image->userdata = m;
+
+ r = hashmap_put(m->image_cache, 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, 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..bb67beb
--- /dev/null
+++ b/src/machine/machine-dbus.c
@@ -0,0 +1,1563 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <sys/mount.h>
+#include <sys/wait.h>
+
+/* When we include libgen.h because we need dirname() we immediately
+ * undefine basename() since libgen.h defines it as a macro to the POSIX
+ * version which is really broken. We prefer GNU basename(). */
+#include <libgen.h>
+#undef basename
+
+#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 "io-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 "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 = userdata;
+
+ assert(bus);
+ assert(reply);
+ assert(m);
+
+ 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 = userdata;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_KILL,
+ "org.freedesktop.machine1.manage-machines",
+ NULL,
+ 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 = userdata;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_KILL,
+ "org.freedesktop.machine1.manage-machines",
+ NULL,
+ 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 = userdata;
+ const char *swho;
+ int32_t signo;
+ KillWho who;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ 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);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_KILL,
+ "org.freedesktop.machine1.manage-machines",
+ NULL,
+ 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 = userdata;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ 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;
+ struct local_address *a;
+ int n, i;
+
+ n = local_addresses(NULL, 0, AF_UNSPEC, &addresses);
+ if (n < 0)
+ return n;
+
+ for (a = addresses, i = 0; i < n; a++, 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] = { -1, -1 };
+ _cleanup_free_ char *us = NULL, *them = NULL;
+ _cleanup_close_ int netns_fd = -1;
+ 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, "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, 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,
+ -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_setf(error, SD_BUS_ERROR_FAILED, "Child died abnormally.");
+ break;
+ }
+
+ default:
+ return sd_bus_error_setf(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 = userdata;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ 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 = -1, root_fd = -1, pidns_fd = -1;
+ _cleanup_close_pair_ int pair[2] = { -1, -1 };
+ _cleanup_fclose_ FILE *f = NULL;
+ pid_t child;
+
+ r = namespace_open(m->leader, &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,
+ 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 = -1;
+
+ 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_t) -1, 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_setf(error, SD_BUS_ERROR_FAILED, "Machine does not contain OS release information");
+ if (r != EXIT_SUCCESS)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Child died abnormally.");
+
+ break;
+ }
+
+ default:
+ return sd_bus_error_setf(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 = -1;
+ Machine *m = userdata;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ m->class == MACHINE_HOST ? "org.freedesktop.machine1.host-open-pty" : "org.freedesktop.machine1.open-pty",
+ NULL,
+ 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-kernel:pid=%1$" PID_PRI ";x-machine-unix:pid=%1$" PID_PRI, m->leader) < 0)
+ return -ENOMEM;
+
+ bus->address = address;
+ bus->bus_client = true;
+ bus->trusted = false;
+ bus->is_system = true;
+
+ 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 = -1;
+ sd_bus *container_bus = NULL;
+ Machine *m = userdata;
+ const char *p, *getty;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ m->class == MACHINE_HOST ? "org.freedesktop.machine1.host-login" : "org.freedesktop.machine1.login",
+ NULL,
+ 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 = -1, slave = -1;
+ _cleanup_strv_free_ char **env = NULL, **args_wire = NULL, **args = NULL;
+ Machine *m = userdata;
+ const char *p, *unit, *user, *path, *description, *utmp_id;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ 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_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments");
+
+ const char *details[] = {
+ "machine", m->name,
+ "user", user,
+ "program", path,
+ 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)",
+ "Description", "s", description,
+ "StandardInputFileDescriptor", "h", slave,
+ "StandardOutputFileDescriptor", "h", slave,
+ "StandardErrorFileDescriptor", "h", slave,
+ "SendSIGHUP", "b", true,
+ "IgnoreSIGPIPE", "b", false,
+ "KillMode", "s", "mixed",
+ "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) {
+ _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 };
+ char mount_slave[] = "/tmp/propagate.XXXXXX", *mount_tmp, *mount_outside, *p;
+ bool mount_slave_created = false, mount_slave_mounted = false,
+ mount_tmp_created = false, mount_tmp_mounted = false,
+ mount_outside_created = false, mount_outside_mounted = false;
+ _cleanup_free_ char *chased_src = NULL;
+ int read_only, make_file_or_directory;
+ const char *dest, *src;
+ Machine *m = userdata;
+ struct stat st;
+ pid_t child;
+ uid_t uid;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ if (m->class != MACHINE_CONTAINER)
+ return sd_bus_error_setf(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_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path must be absolute and not contain ../.");
+
+ if (isempty(dest))
+ dest = src;
+ else if (!path_is_absolute(dest) || !path_is_normalized(dest))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path must be absolute and not contain ../.");
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.manage-machines",
+ NULL,
+ 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_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Can't bind mount on container with user namespacing applied.");
+
+ /* One day, when bind mounting /proc/self/fd/n works across
+ * namespace boundaries we should rework this logic to make
+ * use of it... */
+
+ p = strjoina("/run/systemd/nspawn/propagate/", m->name, "/");
+ if (laccess(p, F_OK) < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Container does not allow propagation of mount points.");
+
+ r = chase_symlinks(src, NULL, CHASE_TRAIL_SLASH, &chased_src, NULL);
+ if (r < 0)
+ return sd_bus_error_set_errnof(error, r, "Failed to resolve source path: %m");
+
+ if (lstat(chased_src, &st) < 0)
+ return sd_bus_error_set_errnof(error, errno, "Failed to stat() source path: %m");
+ if (S_ISLNK(st.st_mode)) /* This shouldn't really happen, given that we just chased the symlinks above, but let's better be safe… */
+ return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Source directory can't be a symbolic link");
+
+ /* Our goal is to install a new bind mount into the container,
+ possibly read-only. This is irritatingly complex
+ unfortunately, currently.
+
+ First, we start by creating a private playground in /tmp,
+ that we can mount MS_SLAVE. (Which is necessary, since
+ MS_MOVE cannot be applied to mounts with MS_SHARED parent
+ mounts.) */
+
+ if (!mkdtemp(mount_slave))
+ return sd_bus_error_set_errnof(error, errno, "Failed to create playground %s: %m", mount_slave);
+
+ mount_slave_created = true;
+
+ r = mount_nofollow_verbose(LOG_DEBUG, mount_slave, mount_slave, NULL, MS_BIND, NULL);
+ if (r < 0) {
+ sd_bus_error_set_errnof(error, r, "Failed to make bind mount %s: %m", mount_slave);
+ goto finish;
+ }
+
+ mount_slave_mounted = true;
+
+ r = mount_nofollow_verbose(LOG_DEBUG, NULL, mount_slave, NULL, MS_SLAVE, NULL);
+ if (r < 0) {
+ sd_bus_error_set_errnof(error, r, "Failed to remount slave %s: %m", mount_slave);
+ goto finish;
+ }
+
+ /* Second, we mount the source file or directory to a directory inside of our MS_SLAVE playground. */
+ mount_tmp = strjoina(mount_slave, "/mount");
+ if (S_ISDIR(st.st_mode))
+ r = mkdir_errno_wrapper(mount_tmp, 0700);
+ else
+ r = touch(mount_tmp);
+ if (r < 0) {
+ sd_bus_error_set_errnof(error, r, "Failed to create temporary mount point %s: %m", mount_tmp);
+ goto finish;
+ }
+
+ mount_tmp_created = true;
+
+ r = mount_nofollow_verbose(LOG_DEBUG, chased_src, mount_tmp, NULL, MS_BIND, NULL);
+ if (r < 0) {
+ sd_bus_error_set_errnof(error, r, "Failed to mount %s: %m", chased_src);
+ goto finish;
+ }
+
+ mount_tmp_mounted = true;
+
+ /* Third, we remount the new bind mount read-only if requested. */
+ if (read_only) {
+ r = mount_nofollow_verbose(LOG_DEBUG, NULL, mount_tmp, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY, NULL);
+ if (r < 0) {
+ sd_bus_error_set_errnof(error, r, "Failed to remount read-only %s: %m", mount_tmp);
+ goto finish;
+ }
+ }
+
+ /* Fourth, we move the new bind mount into the propagation directory. This way it will appear there read-only
+ * right-away. */
+
+ mount_outside = strjoina("/run/systemd/nspawn/propagate/", m->name, "/XXXXXX");
+ if (S_ISDIR(st.st_mode))
+ r = mkdtemp(mount_outside) ? 0 : -errno;
+ else {
+ r = mkostemp_safe(mount_outside);
+ safe_close(r);
+ }
+ if (r < 0) {
+ sd_bus_error_set_errnof(error, r, "Cannot create propagation file or directory %s: %m", mount_outside);
+ goto finish;
+ }
+
+ mount_outside_created = true;
+
+ r = mount_nofollow_verbose(LOG_DEBUG, mount_tmp, mount_outside, NULL, MS_MOVE, NULL);
+ if (r < 0) {
+ sd_bus_error_set_errnof(error, r, "Failed to move %s to %s: %m", mount_tmp, mount_outside);
+ goto finish;
+ }
+
+ mount_outside_mounted = true;
+ mount_tmp_mounted = false;
+
+ if (S_ISDIR(st.st_mode))
+ (void) rmdir(mount_tmp);
+ else
+ (void) unlink(mount_tmp);
+ mount_tmp_created = false;
+
+ (void) umount_verbose(LOG_DEBUG, mount_slave, UMOUNT_NOFOLLOW);
+ mount_slave_mounted = false;
+
+ (void) rmdir(mount_slave);
+ mount_slave_created = false;
+
+ if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) {
+ r = sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m");
+ goto finish;
+ }
+
+ r = safe_fork("(sd-bindmnt)", FORK_RESET_SIGNALS, &child);
+ if (r < 0) {
+ sd_bus_error_set_errnof(error, r, "Failed to fork(): %m");
+ goto finish;
+ }
+ if (r == 0) {
+ const char *mount_inside, *q;
+ int mntfd;
+
+ errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]);
+
+ q = procfs_file_alloca(m->leader, "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;
+ }
+
+ if (make_file_or_directory) {
+ if (S_ISDIR(st.st_mode))
+ (void) mkdir_p(dest, 0755);
+ else {
+ (void) mkdir_parents(dest, 0755);
+ (void) mknod(dest, S_IFREG|0600, 0);
+ }
+ }
+
+ mount_inside = strjoina("/run/host/incoming/", basename(mount_outside));
+ r = mount_nofollow_verbose(LOG_ERR, mount_inside, dest, NULL, MS_MOVE, NULL);
+ if (r < 0)
+ goto child_fail;
+
+ _exit(EXIT_SUCCESS);
+
+ child_fail:
+ (void) write(errno_pipe_fd[1], &r, sizeof(r));
+ errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+ _exit(EXIT_FAILURE);
+ }
+
+ errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+ r = wait_for_terminate_and_check("(sd-bindmnt)", child, 0);
+ if (r < 0) {
+ r = sd_bus_error_set_errnof(error, r, "Failed to wait for child: %m");
+ goto finish;
+ }
+ if (r != EXIT_SUCCESS) {
+ if (read(errno_pipe_fd[0], &r, sizeof(r)) == sizeof(r))
+ r = sd_bus_error_set_errnof(error, r, "Failed to mount: %m");
+ else
+ r = sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Child failed.");
+ goto finish;
+ }
+
+ r = sd_bus_reply_method_return(message, NULL);
+
+finish:
+ if (mount_outside_mounted)
+ (void) umount_verbose(LOG_DEBUG, mount_outside, UMOUNT_NOFOLLOW);
+ if (mount_outside_created) {
+ if (S_ISDIR(st.st_mode))
+ (void) rmdir(mount_outside);
+ else
+ (void) unlink(mount_outside);
+ }
+
+ if (mount_tmp_mounted)
+ (void) umount_verbose(LOG_DEBUG, mount_tmp, UMOUNT_NOFOLLOW);
+ if (mount_tmp_created) {
+ if (S_ISDIR(st.st_mode))
+ (void) rmdir(mount_tmp);
+ else
+ (void) unlink(mount_tmp);
+ }
+
+ if (mount_slave_mounted)
+ (void) umount_verbose(LOG_DEBUG, mount_slave, UMOUNT_NOFOLLOW);
+ if (mount_slave_created)
+ (void) rmdir(mount_slave);
+
+ return r;
+}
+
+int bus_machine_method_copy(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *src, *dest, *host_path, *container_path, *host_basename, *container_basename, *container_dirname;
+ _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 };
+ CopyFlags copy_flags = COPY_REFLINK|COPY_MERGE|COPY_HARDLINKS;
+ _cleanup_close_ int hostfd = -1;
+ Machine *m = userdata;
+ bool copy_from;
+ pid_t child;
+ uid_t uid_shift;
+ char *t;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ if (m->manager->n_operations >= OPERATIONS_MAX)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing copies.");
+
+ if (m->class != MACHINE_CONTAINER)
+ return sd_bus_error_setf(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 (!path_is_absolute(src))
+ return sd_bus_error_setf(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_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path must be absolute.");
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.manage-machines",
+ NULL,
+ 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;
+ }
+
+ host_basename = basename(host_path);
+
+ container_basename = basename(container_path);
+ t = strdupa(container_path);
+ container_dirname = dirname(t);
+
+ 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, "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(container_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY);
+ if (containerfd < 0) {
+ r = log_error_errno(errno, "Failed to open destination directory: %m");
+ goto child_fail;
+ }
+
+ /* Run the actual copy operation. Note that when an 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);
+ 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);
+
+ 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] = -1;
+
+ return 1;
+}
+
+int bus_machine_method_open_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_close_ int fd = -1;
+ Machine *m = userdata;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.manage-machines",
+ NULL,
+ 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 = -1, root_fd = -1;
+ _cleanup_close_pair_ int pair[2] = { -1, -1 };
+ pid_t child;
+
+ r = namespace_open(m->leader, 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,
+ -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 = -1;
+
+ 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_setf(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_setf(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 = userdata;
+ uid_t shift = 0;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ /* 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_setf(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 = userdata;
+ Machine *machine;
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(interface);
+ assert(found);
+ assert(m);
+
+ 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), 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_NAMES("Kill",
+ "si",
+ SD_BUS_PARAM(who)
+ SD_BUS_PARAM(signal),
+ NULL,,
+ bus_machine_method_kill,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetAddresses",
+ NULL,,
+ "a(iay)",
+ SD_BUS_PARAM(addresses),
+ bus_machine_method_get_addresses,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetOSRelease",
+ NULL,,
+ "a{ss}",
+ SD_BUS_PARAM(fields),
+ bus_machine_method_get_os_release,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetUIDShift",
+ NULL,,
+ "u",
+ SD_BUS_PARAM(shift),
+ bus_machine_method_get_uid_shift,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("OpenPTY",
+ NULL,,
+ "hs",
+ SD_BUS_PARAM(pty)
+ SD_BUS_PARAM(pty_path),
+ bus_machine_method_open_pty,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("OpenLogin",
+ NULL,,
+ "hs",
+ SD_BUS_PARAM(pty)
+ SD_BUS_PARAM(pty_path),
+ bus_machine_method_open_login,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("OpenShell",
+ "ssasas",
+ SD_BUS_PARAM(user)
+ SD_BUS_PARAM(path)
+ SD_BUS_PARAM(args)
+ SD_BUS_PARAM(environment),
+ "hs",
+ SD_BUS_PARAM(pty)
+ SD_BUS_PARAM(pty_path),
+ bus_machine_method_open_shell,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("BindMount",
+ "ssbb",
+ SD_BUS_PARAM(source)
+ SD_BUS_PARAM(destination)
+ SD_BUS_PARAM(read_only)
+ SD_BUS_PARAM(mkdir),
+ NULL,,
+ bus_machine_method_bind_mount,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("CopyFrom",
+ "ss",
+ SD_BUS_PARAM(source)
+ SD_BUS_PARAM(destination),
+ NULL,,
+ bus_machine_method_copy,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("CopyTo",
+ "ss",
+ SD_BUS_PARAM(source)
+ SD_BUS_PARAM(destination),
+ NULL,,
+ bus_machine_method_copy,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("OpenRootDirectory",
+ NULL,,
+ "h",
+ SD_BUS_PARAM(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..1c114f4
--- /dev/null
+++ b/src/machine/machine-dbus.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "sd-bus.h"
+
+#include "bus-util.h"
+#include "machine.h"
+
+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..537b0cd
--- /dev/null
+++ b/src/machine/machine.c
@@ -0,0 +1,907 @@
+/* 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-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 "hashmap.h"
+#include "machine-dbus.h"
+#include "machine.h"
+#include "mkdir.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"
+#include "util.h"
+
+Machine* machine_new(Manager *manager, MachineClass class, const char *name) {
+ Machine *m;
+
+ assert(manager);
+ assert(class < _MACHINE_CLASS_MAX);
+ assert(name);
+
+ /* 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 = new0(Machine, 1);
+ if (!m)
+ return NULL;
+
+ m->name = strdup(name);
+ if (!m->name)
+ goto fail;
+
+ if (class != MACHINE_HOST) {
+ m->state_file = path_join("/run/systemd/machines", m->name);
+ if (!m->state_file)
+ goto fail;
+ }
+
+ m->class = class;
+
+ if (hashmap_put(manager->machines, m->name, m) < 0)
+ goto fail;
+
+ m->manager = manager;
+
+ return m;
+
+fail:
+ free(m->state_file);
+ free(m->name);
+ return mfree(m);
+}
+
+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 (m->leader > 0)
+ (void) hashmap_remove_value(m->manager->machine_leaders, PID_TO_PTR(m->leader), m);
+
+ 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_free_ 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;
+
+ 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;
+
+ escaped = cescape(m->service);
+ if (!escaped) {
+ r = -ENOMEM;
+ goto fail;
+ }
+ fprintf(f, "SERVICE=%s\n", escaped);
+ }
+
+ if (m->root_directory) {
+ _cleanup_free_ char *escaped;
+
+ 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 (m->leader != 0)
+ fprintf(f, "LEADER="PID_FMT"\n", m->leader);
+
+ 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;
+ }
+
+ 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);
+
+ if (temp_path)
+ (void) unlink(temp_path);
+
+ 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 < 0) {
+ if (r == -ENOENT)
+ return 0;
+
+ return log_error_errno(r, "Failed to read %s: %m", m->state_file);
+ }
+
+ if (id)
+ sd_id128_from_string(id, &m->id);
+
+ if (leader)
+ parse_pid(leader, &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) {
+ size_t allocated = 0, nr = 0;
+ const char *p;
+ _cleanup_free_ int *ni = NULL;
+
+ 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, allocated, nr + 1))
+ return log_oom();
+
+ ni[nr++] = r;
+ }
+
+ free(m->netif);
+ m->netif = TAKE_PTR(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(machine->leader > 0);
+ 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 = sd_bus_message_new_method_call(
+ machine->manager->bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "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 = sd_bus_message_append(m, "(sv)(sv)(sv)(sv)(sv)",
+ "PIDs", "au", 1, machine->leader,
+ "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), 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,
+ LOG_MESSAGE("New machine %s.", m->name));
+
+ if (!dual_timestamp_is_set(&m->timestamp))
+ dual_timestamp_get(&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,
+ 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 */
+
+ if (kill(m->leader, signo) < 0)
+ return -errno;
+
+ return 0;
+ }
+
+ /* 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 (m->leader <= 0)
+ return -EINVAL;
+
+ return openpt_allocate_in_namespace(m->leader, 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 (m->leader <= 0)
+ return -EINVAL;
+
+ return open_terminal_in_namespace(m->leader, 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);
+ 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);
+ 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, 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, 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..2f62715
--- /dev/null
+++ b/src/machine/machine.h
@@ -0,0 +1,102 @@
+/* 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 "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 = -1
+} MachineState;
+
+typedef enum MachineClass {
+ MACHINE_CONTAINER,
+ MACHINE_VM,
+ MACHINE_HOST,
+ _MACHINE_CLASS_MAX,
+ _MACHINE_CLASS_INVALID = -1
+} MachineClass;
+
+enum KillWho {
+ KILL_LEADER,
+ KILL_ALL,
+ _KILL_WHO_MAX,
+ _KILL_WHO_INVALID = -1
+};
+
+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;
+
+ pid_t 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);
+};
+
+Machine* machine_new(Manager *manager, MachineClass class, const char *name);
+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..4a3279d
--- /dev/null
+++ b/src/machine/machinectl.c
@@ -0,0 +1,2897 @@
+/* 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 "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 "copy.h"
+#include "def.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 "macro.h"
+#include "main-func.h"
+#include "mkdir.h"
+#include "nulstr-util.h"
+#include "pager.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"
+
+#define ALL_ADDRESSES -1
+
+static char **arg_property = NULL;
+static bool arg_all = false;
+static bool arg_value = false;
+static bool arg_full = false;
+static PagerFlags arg_pager_flags = 0;
+static bool arg_legend = true;
+static const char *arg_kill_who = 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_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 int 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
+ arg_all * 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, *iter, **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[DECIMAL_STR_MAX(int) + 2], buffer[MAX(INET6_ADDRSTRLEN, INET_ADDRSTRLEN)];
+
+ r = sd_bus_message_read(reply, "i", &family);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read_array(reply, 'y', &a, &sz);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (family == AF_INET6 && ifi > 0)
+ xsprintf(buf_ifi, "%%%i", ifi);
+ else
+ strcpy(buf_ifi, "");
+
+ if (!strextend(&addresses, prefix, inet_ntop(family, a, buffer, sizeof(buffer)), buf_ifi, NULL))
+ 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, (size_t) -1);
+ 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 = userdata;
+ int r;
+
+ assert(bus);
+
+ (void) 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", "addresses");
+ if (!table)
+ return log_oom();
+
+ table_set_empty_string(table, "-");
+ if (!arg_full && arg_max_addresses != ALL_ADDRESSES)
+ 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);
+
+ (void) call_get_addresses(
+ bus,
+ name,
+ 0,
+ "",
+ "\n",
+ &addresses);
+
+ 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),
+ 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 = userdata;
+ int r;
+
+ assert(bus);
+
+ (void) 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) {
+ char since1[FORMAT_TIMESTAMP_RELATIVE_MAX];
+ char since2[FORMAT_TIMESTAMP_MAX];
+ _cleanup_free_ char *addresses = NULL;
+ const char *s1, *s2;
+ 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 = format_timestamp_relative(since1, sizeof(since1), i->timestamp.realtime);
+ s2 = format_timestamp(since2, sizeof(since2), i->timestamp.realtime);
+
+ if (s1)
+ printf("\t Since: %s; %s\n", s2, s1);
+ else if (s2)
+ printf("\t Since: %s\n", s2);
+
+ if (i->leader > 0) {
+ _cleanup_free_ char *t = NULL;
+
+ printf("\t Leader: %u", (unsigned) i->leader);
+
+ get_process_comm(i->leader, &t);
+ if (t)
+ printf(" (%s)", t);
+
+ putchar('\n');
+ }
+
+ if (i->service) {
+ printf("\t Service: %s", i->service);
+
+ if (i->class)
+ printf("; class %s", i->class);
+
+ putchar('\n');
+ } else if (i->class)
+ printf("\t Class: %s\n", i->class);
+
+ if (i->root_directory)
+ printf("\t Root: %s\n", i->root_directory);
+
+ if (i->n_netif > 0) {
+ fputs("\t Iface:", stdout);
+
+ for (size_t c = 0; c < i->n_netif; c++) {
+ char name[IF_NAMESIZE+1];
+
+ if (format_ifname(i->netif[c], name)) {
+ fputc(' ', stdout);
+ fputs(name, stdout);
+
+ if (ifi < 0)
+ ifi = i->netif[c];
+ else
+ ifi = 0;
+ } else
+ printf(" %i", i->netif[c]);
+ }
+
+ fputc('\n', stdout);
+ }
+
+ 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_value, arg_all, 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;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ bool properties, new_line = false;
+ sd_bus *bus = userdata;
+ int r = 0;
+
+ assert(bus);
+
+ properties = !strstr(argv[0], "status");
+
+ (void) 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++) {
+ 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) {
+ char ts_relative[FORMAT_TIMESTAMP_RELATIVE_MAX];
+ char ts_absolute[FORMAT_TIMESTAMP_MAX];
+ char bs[FORMAT_BYTES_MAX];
+ char bs_exclusive[FORMAT_BYTES_MAX];
+ const char *s1, *s2, *s3, *s4;
+
+ 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() : "");
+
+ s1 = format_timestamp_relative(ts_relative, sizeof(ts_relative), i->crtime);
+ s2 = format_timestamp(ts_absolute, sizeof(ts_absolute), i->crtime);
+ if (s1 && s2)
+ printf("\t Created: %s; %s\n", s2, s1);
+ else if (s2)
+ printf("\t Created: %s\n", s2);
+
+ s1 = format_timestamp_relative(ts_relative, sizeof(ts_relative), i->mtime);
+ s2 = format_timestamp(ts_absolute, sizeof(ts_absolute), i->mtime);
+ if (s1 && s2)
+ printf("\tModified: %s; %s\n", s2, s1);
+ else if (s2)
+ printf("\tModified: %s\n", s2);
+
+ s3 = format_bytes(bs, sizeof(bs), i->usage);
+ s4 = i->usage_exclusive != i->usage ? format_bytes(bs_exclusive, sizeof(bs_exclusive), i->usage_exclusive) : NULL;
+ if (s3 && s4)
+ printf("\t Usage: %s (exclusive: %s)\n", s3, s4);
+ else if (s3)
+ printf("\t Usage: %s\n", s3);
+
+ s3 = format_bytes(bs, sizeof(bs), i->limit);
+ s4 = i->limit_exclusive != i->limit ? format_bytes(bs_exclusive, sizeof(bs_exclusive), i->limit_exclusive) : NULL;
+ if (s3 && s4)
+ printf("\t Limit: %s (exclusive: %s)\n", s3, s4);
+ else if (s3)
+ printf("\t Limit: %s\n", s3);
+}
+
+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) {
+ char bs[FORMAT_BYTES_MAX], *s;
+
+ if (i->path)
+ printf("\t Path: %s\n", i->path);
+
+ s = format_bytes(bs, sizeof(bs), i->usage);
+ if (s)
+ printf("\t Usage: %s\n", s);
+
+ s = format_bytes(bs, sizeof(bs), i->limit);
+ if (s)
+ printf("\t Limit: %s\n", s);
+}
+
+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_t) -1,
+ .limit = (uint64_t) -1,
+ };
+
+ _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_value, arg_all, 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;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ bool properties, new_line = false;
+ sd_bus *bus = userdata;
+ int r = 0;
+
+ assert(bus);
+
+ properties = !strstr(argv[0], "status");
+
+ (void) 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++) {
+ 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 = userdata;
+ int r;
+
+ assert(bus);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ if (!arg_kill_who)
+ arg_kill_who = "all";
+
+ for (int i = 1; i < argc; i++) {
+ r = bus_call_method(
+ bus,
+ bus_machine_mgr,
+ "KillMachine",
+ &error,
+ NULL,
+ "ssi", argv[i], arg_kill_who, 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_who = "leader";
+ arg_signal = SIGINT; /* sysvinit + systemd */
+
+ return kill_machine(argc, argv, userdata);
+}
+
+static int poweroff_machine(int argc, char *argv[], void *userdata) {
+ arg_kill_who = "leader";
+ arg_signal = SIGRTMIN+4; /* only systemd */
+
+ return kill_machine(argc, argv, userdata);
+}
+
+static int terminate_machine(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ int r;
+
+ assert(bus);
+
+ 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 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 = userdata;
+ bool copy_from;
+ int r;
+
+ assert(bus);
+
+ 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,
+ copy_from ? "CopyFromMachine" : "CopyToMachine");
+ 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);
+
+ /* 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 = userdata;
+ int r;
+
+ assert(bus);
+
+ 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 = userdata;
+ const char *match, *machine;
+
+ assert(bus);
+
+ 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 = userdata;
+ const char *match, *machine, *path;
+ _cleanup_free_ char *uid = NULL;
+
+ assert(bus);
+
+ 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 remove_image(int argc, char *argv[], void *userdata) {
+ sd_bus *bus = userdata;
+ int r;
+
+ assert(bus);
+
+ 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 = userdata;
+ int r;
+
+ assert(bus);
+
+ 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 = userdata;
+ int r;
+
+ assert(bus);
+
+ 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 = userdata;
+ int b = true, r;
+
+ assert(bus);
+
+ 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 (!machine_name_is_valid(name))
+ 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 = userdata;
+ int r;
+
+ assert(bus);
+
+ 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_oom();
+
+ 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 = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "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;
+ UnitFileChange *changes = NULL;
+ size_t n_changes = 0;
+ const char *method = NULL;
+ sd_bus *bus = userdata;
+ int r;
+
+ assert(bus);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ method = streq(argv[0], "enable") ? "EnableUnitFiles" : "DisableUnitFiles";
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ 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);
+
+ 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 (streq(argv[0], "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 (streq(argv[0], "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, &changes, &n_changes);
+ if (r < 0)
+ goto finish;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "Reload",
+ &error,
+ NULL,
+ NULL);
+ if (r < 0) {
+ log_error("Failed to reload daemon: %s", bus_error_message(&error, r));
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ unit_file_changes_free(changes, n_changes);
+
+ return r;
+}
+
+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 = -1;
+ sd_bus *bus = userdata;
+ int r;
+
+ assert(bus);
+
+ 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.");
+
+ r = tar_strip_suffixes(local, &ll);
+ if (r < 0)
+ return log_oom();
+
+ local = ll;
+
+ if (!machine_name_is_valid(local))
+ 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 = -1;
+ sd_bus *bus = userdata;
+ int r;
+
+ assert(bus);
+
+ 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.");
+
+ r = raw_strip_suffixes(local, &ll);
+ if (r < 0)
+ return log_oom();
+
+ local = ll;
+
+ if (!machine_name_is_valid(local))
+ 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 = -1;
+ sd_bus *bus = userdata;
+ int r;
+
+ assert(bus);
+
+ 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 (!machine_name_is_valid(local))
+ 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 = -1;
+ const char *local = NULL, *path = NULL;
+ sd_bus *bus = userdata;
+ int r;
+
+ assert(bus);
+
+ local = argv[1];
+ if (!machine_name_is_valid(local))
+ 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 = -1;
+ const char *local = NULL, *path = NULL;
+ sd_bus *bus = userdata;
+ int r;
+
+ assert(bus);
+
+ local = argv[1];
+ if (!machine_name_is_valid(local))
+ 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 = userdata;
+ int r;
+
+ assert(bus);
+
+ remote = argv[1];
+ if (!http_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 (!machine_name_is_valid(local))
+ 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 = userdata;
+ int r;
+
+ assert(bus);
+
+ remote = argv[1];
+ if (!http_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 (!machine_name_is_valid(local))
+ 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;
+ size_t n_transfers = 0, n_allocated = 0;
+ const char *type, *remote, *local;
+ sd_bus *bus = userdata;
+ uint32_t id, max_id = 0;
+ double progress;
+ int r;
+
+ (void) 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_allocated, 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 = userdata;
+ int r;
+
+ assert(bus);
+
+ 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_t) -1;
+ 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;
+ char fb[FORMAT_BYTES_MAX];
+ 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(fb, sizeof(fb), 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(fb, sizeof(fb), total));
+
+ return 0;
+}
+
+static int help(int argc, char *argv[], void *userdata) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ (void) pager_open(arg_pager_flags);
+
+ r = terminal_urlify_man("machinectl", "1", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%s [OPTIONS...] COMMAND ...\n\n"
+ "%sSend control commands to or query the virtual machine and container%s\n"
+ "%sregistration manager.%s\n"
+ "\nMachine Commands:\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"
+ "Image Commands:\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"
+ " 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"
+ "Image Transfer Commands:\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"
+ "\nOptions:\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-who=WHO Who 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, verbose, export,\n"
+ " json, json-pretty, json-sse, json-seq, cat,\n"
+ " with-unit)\n"
+ " --verify=MODE Verification mode for downloaded images (no,\n"
+ " checksum, signature)\n"
+ " --force Download image even if already exists\n"
+ "\nSee the %s for details.\n"
+ , program_invocation_short_name
+ , ansi_highlight()
+ , ansi_normal()
+ , ansi_highlight()
+ , ansi_normal()
+ , link
+ );
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_NO_PAGER,
+ ARG_NO_LEGEND,
+ ARG_VALUE,
+ ARG_KILL_WHO,
+ ARG_READ_ONLY,
+ ARG_MKDIR,
+ ARG_NO_ASK_PASSWORD,
+ ARG_VERIFY,
+ 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-who", required_argument, NULL, ARG_KILL_WHO },
+ { "signal", required_argument, NULL, 's' },
+ { "host", required_argument, NULL, 'H' },
+ { "machine", required_argument, NULL, 'M' },
+ { "read-only", no_argument, NULL, ARG_READ_ONLY },
+ { "mkdir", no_argument, NULL, ARG_MKDIR },
+ { "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 },
+ { "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);
+
+ 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. */
+ arg_all = true;
+ break;
+
+ case 'a':
+ arg_all = true;
+ break;
+
+ case ARG_VALUE:
+ arg_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;
+ }
+
+ arg_output = output_mode_from_string(optarg);
+ if (arg_output < 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown output '%s'.", optarg);
+
+ 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_WHO:
+ arg_kill_who = optarg;
+ break;
+
+ case 's':
+ if (streq(optarg, "help")) {
+ DUMP_STRING_TABLE(signal, int, _NSIG);
+ return 0;
+ }
+
+ arg_signal = signal_from_string(optarg);
+ if (arg_signal < 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Failed to parse signal string %s.", optarg);
+ 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;
+ }
+
+ arg_verify = import_verify_from_string(optarg);
+ if (arg_verify < 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Failed to parse --verify= setting: %s", optarg);
+ 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':
+ if (!env_assignment_is_valid(optarg))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Environment assignment invalid: %s", optarg);
+
+ r = strv_extend(&arg_setenv, optarg);
+ if (r < 0)
+ return log_oom();
+ break;
+
+ case ARG_MAX_ADDRESSES:
+ if (streq(optarg, "all"))
+ arg_max_addresses = ALL_ADDRESSES;
+ else if (safe_atoi(optarg, &arg_max_addresses) < 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Invalid number of addresses: %s", optarg);
+ else if (arg_max_addresses <= 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Number of IPs cannot be negative or zero: %s", optarg);
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+ }
+
+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 },
+ { "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_cli();
+
+ /* 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, false, &bus);
+ if (r < 0)
+ return bus_log_connect_error(r);
+
+ (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..1416fbf
--- /dev/null
+++ b/src/machine/machined-core.c
@@ -0,0 +1,104 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "machined.h"
+#include "nscd-flush.h"
+#include "strv.h"
+#include "user-util.h"
+
+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;
+}
+
+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..494813e
--- /dev/null
+++ b/src/machine/machined-dbus.c
@@ -0,0 +1,1617 @@
+/* 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 "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-image.h"
+#include "machine-pool.h"
+#include "machined.h"
+#include "missing_capability.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 = -1;
+ uint64_t usage = (uint64_t) -1;
+
+ 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 = -1;
+ uint64_t size = (uint64_t) -1;
+
+ 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 = userdata;
+ Machine *machine;
+ const char *name;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ 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 = userdata;
+ const char *name;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ r = sd_bus_message_read(message, "s", &name);
+ if (r < 0)
+ return r;
+
+ r = image_find(IMAGE_MACHINE, name, 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 = userdata;
+ Machine *machine = NULL;
+ pid_t pid;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ 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 = userdata;
+ Machine *machine;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ 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) {
+ 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 (!machine_name_is_valid(name))
+ return sd_bus_error_setf(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_setf(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) {
+ size_t i;
+
+ r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif);
+ if (r < 0)
+ return r;
+
+ n_netif /= sizeof(int32_t);
+
+ for (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_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter");
+ }
+
+ if (leader == 1)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
+
+ if (!isempty(root_directory) && !path_is_absolute(root_directory))
+ return sd_bus_error_setf(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;
+ }
+
+ 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 = leader;
+ 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 = userdata;
+ Machine *m = NULL;
+ int r;
+
+ assert(message);
+ assert(manager);
+
+ 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 = userdata;
+ _cleanup_free_ char *p = NULL;
+ Machine *m = NULL;
+ int r;
+
+ assert(message);
+ assert(manager);
+
+ r = method_create_or_register_machine(manager, message, read_network, &m, error);
+ if (r < 0)
+ return r;
+
+ r = cg_pid_get_unit(m->leader, &m->unit);
+ if (r < 0) {
+ r = sd_bus_error_set_errnof(error, r,
+ "Failed to determine unit of process "PID_FMT" : %m",
+ m->leader);
+ 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 = userdata;
+ Image *image;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ images = hashmap_new(&image_hash_ops);
+ if (!images)
+ return -ENOMEM;
+
+ r = image_discover(IMAGE_MACHINE, 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, &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) == (off_t) -1)
+ 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] = { -1, -1 };
+ _cleanup_close_ int result_fd = -1;
+ 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_setf(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);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.manage-machines",
+ NULL,
+ 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, 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 = -1;
+ errno_pipe_fd[0] = -1;
+
+ 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_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range");
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.manage-machines",
+ NULL,
+ 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);
+ 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_setf(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_setf(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_setf(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_NAMES("GetMachine",
+ "s",
+ SD_BUS_PARAM(name),
+ "o",
+ SD_BUS_PARAM(machine),
+ method_get_machine,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetImage",
+ "s",
+ SD_BUS_PARAM(name),
+ "o",
+ SD_BUS_PARAM(image),
+ method_get_image,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetMachineByPID",
+ "u",
+ SD_BUS_PARAM(pid),
+ "o",
+ SD_BUS_PARAM(machine),
+ method_get_machine_by_pid,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("ListMachines",
+ NULL,,
+ "a(ssso)",
+ SD_BUS_PARAM(machines),
+ method_list_machines,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("ListImages",
+ NULL,,
+ "a(ssbttto)",
+ SD_BUS_PARAM(images),
+ method_list_images,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("CreateMachine",
+ "sayssusa(sv)",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(id)
+ SD_BUS_PARAM(service)
+ SD_BUS_PARAM(class)
+ SD_BUS_PARAM(leader)
+ SD_BUS_PARAM(root_directory)
+ SD_BUS_PARAM(scope_properties),
+ "o",
+ SD_BUS_PARAM(path),
+ method_create_machine, 0),
+ SD_BUS_METHOD_WITH_NAMES("CreateMachineWithNetwork",
+ "sayssusaia(sv)",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(id)
+ SD_BUS_PARAM(service)
+ SD_BUS_PARAM(class)
+ SD_BUS_PARAM(leader)
+ SD_BUS_PARAM(root_directory)
+ SD_BUS_PARAM(ifindices)
+ SD_BUS_PARAM(scope_properties),
+ "o",
+ SD_BUS_PARAM(path),
+ method_create_machine_with_network, 0),
+ SD_BUS_METHOD_WITH_NAMES("RegisterMachine",
+ "sayssus",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(id)
+ SD_BUS_PARAM(service)
+ SD_BUS_PARAM(class)
+ SD_BUS_PARAM(leader)
+ SD_BUS_PARAM(root_directory),
+ "o",
+ SD_BUS_PARAM(path),
+ method_register_machine, 0),
+ SD_BUS_METHOD_WITH_NAMES("RegisterMachineWithNetwork",
+ "sayssusai",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(id)
+ SD_BUS_PARAM(service)
+ SD_BUS_PARAM(class)
+ SD_BUS_PARAM(leader)
+ SD_BUS_PARAM(root_directory)
+ SD_BUS_PARAM(ifindices),
+ "o",
+ SD_BUS_PARAM(path),
+ method_register_machine_with_network, 0),
+ SD_BUS_METHOD_WITH_NAMES("UnregisterMachine",
+ "s",
+ SD_BUS_PARAM(name),
+ NULL,,
+ method_unregister_machine,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("TerminateMachine",
+ "s",
+ SD_BUS_PARAM(id),
+ NULL,,
+ method_terminate_machine,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("KillMachine",
+ "ssi",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(who)
+ SD_BUS_PARAM(signal),
+ NULL,,
+ method_kill_machine,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetMachineAddresses",
+ "s",
+ SD_BUS_PARAM(name),
+ "a(iay)",
+ SD_BUS_PARAM(addresses),
+ method_get_machine_addresses,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetMachineOSRelease",
+ "s",
+ SD_BUS_PARAM(name),
+ "a{ss}",
+ SD_BUS_PARAM(fields),
+ method_get_machine_os_release,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("OpenMachinePTY",
+ "s",
+ SD_BUS_PARAM(name),
+ "hs",
+ SD_BUS_PARAM(pty)
+ SD_BUS_PARAM(pty_path),
+ method_open_machine_pty,
+ 0),
+ SD_BUS_METHOD_WITH_NAMES("OpenMachineLogin",
+ "s",
+ SD_BUS_PARAM(name),
+ "hs",
+ SD_BUS_PARAM(pty)
+ SD_BUS_PARAM(pty_path),
+ method_open_machine_login,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("OpenMachineShell",
+ "sssasas",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(user)
+ SD_BUS_PARAM(path)
+ SD_BUS_PARAM(args)
+ SD_BUS_PARAM(environment),
+ "hs",
+ SD_BUS_PARAM(pty)
+ SD_BUS_PARAM(pty_path),
+ method_open_machine_shell,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("BindMountMachine",
+ "sssbb",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(source)
+ SD_BUS_PARAM(destination)
+ SD_BUS_PARAM(read_only)
+ SD_BUS_PARAM(mkdir),
+ NULL,,
+ method_bind_mount_machine,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("CopyFromMachine",
+ "sss",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(source)
+ SD_BUS_PARAM(destination),
+ NULL,,
+ method_copy_machine,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("CopyToMachine",
+ "sss",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(source)
+ SD_BUS_PARAM(destination),
+ NULL,,
+ method_copy_machine,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("OpenMachineRootDirectory",
+ "s",
+ SD_BUS_PARAM(name),
+ "h",
+ SD_BUS_PARAM(fd),
+ method_open_machine_root_directory,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetMachineUIDShift",
+ "s",
+ SD_BUS_PARAM(name),
+ "u",
+ SD_BUS_PARAM(shift),
+ method_get_machine_uid_shift,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("RemoveImage",
+ "s",
+ SD_BUS_PARAM(name),
+ NULL,,
+ method_remove_image,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("RenameImage",
+ "ss",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(new_name),
+ NULL,,
+ method_rename_image,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("CloneImage",
+ "ssb",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(new_name)
+ SD_BUS_PARAM(read_only),
+ NULL,,
+ method_clone_image,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("MarkImageReadOnly",
+ "sb",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(read_only),
+ NULL,,
+ method_mark_image_read_only,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetImageHostname",
+ "s",
+ SD_BUS_PARAM(name),
+ "s",
+ SD_BUS_PARAM(hostname),
+ method_get_image_hostname,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetImageMachineID",
+ "s",
+ SD_BUS_PARAM(name),
+ "ay",
+ SD_BUS_PARAM(id),
+ method_get_image_machine_id,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetImageMachineInfo",
+ "s",
+ SD_BUS_PARAM(name),
+ "a{ss}",
+ SD_BUS_PARAM(machine_info),
+ method_get_image_machine_info,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("GetImageOSRelease",
+ "s",
+ SD_BUS_PARAM(name),
+ "a{ss}",
+ SD_BUS_PARAM(os_release),
+ method_get_image_os_release,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("SetPoolLimit",
+ "t",
+ SD_BUS_PARAM(size),
+ NULL,,
+ method_set_pool_limit,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("SetImageLimit",
+ "st",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(size),
+ NULL,,
+ method_set_image_limit,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("CleanPool",
+ "s",
+ SD_BUS_PARAM(mode),
+ "a(st)",
+ SD_BUS_PARAM(images),
+ method_clean_pool,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("MapFromMachineUser",
+ "su",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(uid_inner),
+ "u",
+ SD_BUS_PARAM(uid_outer),
+ method_map_from_machine_user,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("MapToMachineUser",
+ "u",
+ SD_BUS_PARAM(uid_outer),
+ "sou",
+ SD_BUS_PARAM(machine_name)
+ SD_BUS_PARAM(machine_path)
+ SD_BUS_PARAM(uid_inner),
+ method_map_to_machine_user,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("MapFromMachineGroup",
+ "su",
+ SD_BUS_PARAM(name)
+ SD_BUS_PARAM(gid_inner),
+ "u",
+ SD_BUS_PARAM(gid_outer),
+ method_map_from_machine_group,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_NAMES("MapToMachineGroup",
+ "u",
+ SD_BUS_PARAM(gid_outer),
+ "sou",
+ SD_BUS_PARAM(machine_name)
+ SD_BUS_PARAM(machine_path)
+ SD_BUS_PARAM(gid_inner),
+ method_map_to_machine_group,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+
+ SD_BUS_SIGNAL_WITH_NAMES("MachineNew",
+ "so",
+ SD_BUS_PARAM(machine)
+ SD_BUS_PARAM(path),
+ 0),
+ SD_BUS_SIGNAL_WITH_NAMES("MachineRemoved",
+ "so",
+ SD_BUS_PARAM(machine)
+ SD_BUS_PARAM(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 = userdata;
+ Machine *machine;
+ uint32_t id;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ 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 = userdata;
+ Machine *machine;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ 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 = userdata;
+ Machine *machine;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ 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 = userdata;
+ Machine *machine;
+ int b, r;
+
+ assert(message);
+ assert(m);
+
+ 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;
+
+ assert(m);
+ assert(name);
+
+ machine = hashmap_get(m->machines, name);
+ if (!machine) {
+ machine = machine_new(m, _MACHINE_CLASS_INVALID, name);
+ if (!machine)
+ return -ENOMEM;
+ }
+
+ 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..2d6c199
--- /dev/null
+++ b/src/machine/machined-varlink.c
@@ -0,0 +1,423 @@
+/* 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"
+
+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_STRING("/")),
+ JSON_BUILD_PAIR("shell", JSON_BUILD_STRING(NOLOGIN)),
+ JSON_BUILD_PAIR("locked", JSON_BUILD_BOOLEAN(true)),
+ JSON_BUILD_PAIR("service", JSON_BUILD_STRING("io.systemd.Machine")),
+ JSON_BUILD_PAIR("disposition", JSON_BUILD_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 = userdata;
+ const char *un;
+ int r;
+
+ assert(parameters);
+ assert(m);
+
+ r = json_dispatch(parameters, dispatch_table, NULL, 0, &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_STRING("io.systemd.Machine")),
+ JSON_BUILD_PAIR("disposition", JSON_BUILD_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 = 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 = userdata;
+ const char *gn;
+ int r;
+
+ assert(parameters);
+ assert(m);
+
+ r = json_dispatch(parameters, dispatch_table, NULL, 0, &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 = json_dispatch(parameters, dispatch_table, NULL, 0, &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);
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate varlink server object: %m");
+
+ varlink_server_set_userdata(s, 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..c3c08d1
--- /dev/null
+++ b/src/machine/machined.c
@@ -0,0 +1,367 @@
+/* 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 "sd-daemon.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 "dirent-util.h"
+#include "fd-util.h"
+#include "format-util.h"
+#include "hostname-util.h"
+#include "label.h"
+#include "machine-image.h"
+#include "machined-varlink.h"
+#include "machined.h"
+#include "main-func.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;
+
+ (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);
+ sd_event_source_unref(m->nscd_cache_flush_event);
+
+ 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_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();
+
+ t = machine_new(m, MACHINE_HOST, ".host");
+ if (!t)
+ return log_oom();
+
+ t->leader = 1;
+ t->id = mid;
+
+ t->root_directory = TAKE_PTR(rd);
+ t->unit = TAKE_PTR(unit);
+
+ dual_timestamp_from_boottime_or_monotonic(&t->timestamp, 0);
+
+ m->host_machine = t;
+
+ return 0;
+}
+
+static int manager_enumerate_machines(Manager *m) {
+ _cleanup_closedir_ DIR *d = NULL;
+ struct dirent *de;
+ 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 (!machine_name_is_valid(de->d_name))
+ 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 = m->machine_gc_queue)) {
+ LIST_REMOVE(gc_queue, m->machine_gc_queue, machine);
+ 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_service();
+
+ 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, -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());
+ (void) sd_notify(false,
+ "READY=1\n"
+ "STATUS=Processing requests...");
+
+ r = manager_run(m);
+
+ log_debug("systemd-machined stopped as pid "PID_FMT, getpid_cached());
+ (void) sd_notify(false,
+ "STOPPING=1\n"
+ "STATUS=Shutting down...");
+
+ return r;
+}
+
+DEFINE_MAIN_FUNCTION(run);
diff --git a/src/machine/machined.h b/src/machine/machined.h
new file mode 100644
index 0000000..6e4182b
--- /dev/null
+++ b/src/machine/machined.h
@@ -0,0 +1,63 @@
+/* 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;
+
+ sd_event_source *nscd_cache_flush_event;
+
+ 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);
+
+int manager_enqueue_nscd_cache_flush(Manager *m);
+
+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..ebbd46d
--- /dev/null
+++ b/src/machine/meson.build
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+systemd_machined_sources = files('''
+ machined.c
+ machined.h
+'''.split())
+
+libmachine_core_sources = files('''
+ image-dbus.c
+ image-dbus.h
+ machine-dbus.c
+ machine-dbus.h
+ machine.c
+ machine.h
+ machined-core.c
+ machined-dbus.c
+ machined-varlink.c
+ machined-varlink.h
+ operation.c
+ operation.h
+'''.split())
+
+libmachine_core = static_library(
+ 'machine-core',
+ libmachine_core_sources,
+ include_directories : includes,
+ 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
+
+tests += [
+ [['src/machine/test-machine-tables.c'],
+ [libmachine_core,
+ libshared],
+ [threads],
+ 'ENABLE_MACHINED'],
+]
diff --git a/src/machine/operation.c b/src/machine/operation.c
new file mode 100644
index 0000000..34565e3
--- /dev/null
+++ b/src/machine/operation.c
@@ -0,0 +1,138 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/wait.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 = userdata;
+ int r;
+
+ assert(o);
+ assert(si);
+
+ log_debug("Operating " 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_setf(&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_setf(&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 = -1;
+
+ 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..eafbf6b
--- /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"
+ "http://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..ddf5ec0
--- /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"
+ "http://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>http://www.freedesktop.org/wiki/Software/systemd</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..0e51755
--- /dev/null
+++ b/src/machine/test-machine-tables.c
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "machine.h"
+#include "test-tables.h"
+
+int main(int argc, char **argv) {
+ test_table(kill_who, KILL_WHO);
+ test_table(machine_class, MACHINE_CLASS);
+ test_table(machine_state, MACHINE_STATE);
+
+ return EXIT_SUCCESS;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 06:30:39 +0000