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-rw-r--r--src/home/homed-home-bus.c926
1 files changed, 926 insertions, 0 deletions
diff --git a/src/home/homed-home-bus.c b/src/home/homed-home-bus.c
new file mode 100644
index 0000000..4e3fd5f
--- /dev/null
+++ b/src/home/homed-home-bus.c
@@ -0,0 +1,926 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <linux/capability.h>
+
+#include "bus-common-errors.h"
+#include "bus-polkit.h"
+#include "fd-util.h"
+#include "homed-bus.h"
+#include "homed-home-bus.h"
+#include "homed-home.h"
+#include "strv.h"
+#include "user-record-util.h"
+#include "user-util.h"
+
+static int property_get_unix_record(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Home *h = ASSERT_PTR(userdata);
+
+ assert(bus);
+ assert(reply);
+
+ return sd_bus_message_append(
+ reply, "(suusss)",
+ h->user_name,
+ (uint32_t) h->uid,
+ h->record ? (uint32_t) user_record_gid(h->record) : GID_INVALID,
+ h->record ? user_record_real_name(h->record) : NULL,
+ h->record ? user_record_home_directory(h->record) : NULL,
+ h->record ? user_record_shell(h->record) : NULL);
+}
+
+static int property_get_state(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Home *h = ASSERT_PTR(userdata);
+
+ assert(bus);
+ assert(reply);
+
+ return sd_bus_message_append(reply, "s", home_state_to_string(home_get_state(h)));
+}
+
+int bus_home_client_is_trusted(Home *h, sd_bus_message *message) {
+ _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+ uid_t euid;
+ int r;
+
+ assert(h);
+
+ if (!message)
+ return -EINVAL;
+
+ r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_creds_get_euid(creds, &euid);
+ if (r < 0)
+ return r;
+
+ return euid == 0 || h->uid == euid;
+}
+
+int bus_home_get_record_json(
+ Home *h,
+ sd_bus_message *message,
+ char **ret,
+ bool *ret_incomplete) {
+
+ _cleanup_(user_record_unrefp) UserRecord *augmented = NULL;
+ UserRecordLoadFlags flags;
+ int r, trusted;
+
+ assert(h);
+ assert(ret);
+
+ trusted = bus_home_client_is_trusted(h, message);
+ if (trusted < 0) {
+ log_warning_errno(trusted, "Failed to determine whether client is trusted, assuming untrusted.");
+ trusted = false;
+ }
+
+ flags = USER_RECORD_REQUIRE_REGULAR|USER_RECORD_ALLOW_PER_MACHINE|USER_RECORD_ALLOW_BINDING|USER_RECORD_STRIP_SECRET|USER_RECORD_ALLOW_STATUS|USER_RECORD_ALLOW_SIGNATURE|USER_RECORD_PERMISSIVE;
+ if (trusted)
+ flags |= USER_RECORD_ALLOW_PRIVILEGED;
+ else
+ flags |= USER_RECORD_STRIP_PRIVILEGED;
+
+ r = home_augment_status(h, flags, &augmented);
+ if (r < 0)
+ return r;
+
+ r = json_variant_format(augmented->json, 0, ret);
+ if (r < 0)
+ return r;
+
+ if (ret_incomplete)
+ *ret_incomplete = augmented->incomplete;
+
+ return 0;
+}
+
+static int property_get_user_record(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_free_ char *json = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ bool incomplete;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = bus_home_get_record_json(h, sd_bus_get_current_message(bus), &json, &incomplete);
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_append(reply, "(sb)", json, incomplete);
+}
+
+int bus_home_method_activate(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(user_record_unrefp) UserRecord *secret = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = bus_message_read_secret(message, &secret, error);
+ if (r < 0)
+ return r;
+
+ r = home_activate(h, secret, error);
+ if (r < 0)
+ return r;
+
+ assert(r == 0);
+ assert(!h->current_operation);
+
+ /* The operation is now in process, keep track of this message so that we can later reply to it. */
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_deactivate(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = home_deactivate(h, false, error);
+ if (r < 0)
+ return r;
+
+ assert(r == 0);
+ assert(!h->current_operation);
+
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_unregister(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.home1.remove-home",
+ NULL,
+ true,
+ UID_INVALID,
+ &h->manager->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
+ r = home_unregister(h, error);
+ if (r < 0)
+ return r;
+
+ assert(r > 0);
+
+ /* Note that home_unregister() destroyed 'h' here, so no more accesses */
+
+ return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_home_method_realize(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(user_record_unrefp) UserRecord *secret = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = bus_message_read_secret(message, &secret, error);
+ if (r < 0)
+ return r;
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.home1.create-home",
+ NULL,
+ true,
+ UID_INVALID,
+ &h->manager->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
+ r = home_create(h, secret, error);
+ if (r < 0)
+ return r;
+
+ assert(r == 0);
+ assert(!h->current_operation);
+
+ h->unregister_on_failure = false;
+
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_remove(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.home1.remove-home",
+ NULL,
+ true,
+ UID_INVALID,
+ &h->manager->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
+ r = home_remove(h, error);
+ if (r < 0)
+ return r;
+ if (r > 0) /* Done already. Note that home_remove() destroyed 'h' here, so no more accesses */
+ return sd_bus_reply_method_return(message, NULL);
+
+ assert(!h->current_operation);
+
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_fixate(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(user_record_unrefp) UserRecord *secret = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = bus_message_read_secret(message, &secret, error);
+ if (r < 0)
+ return r;
+
+ r = home_fixate(h, secret, error);
+ if (r < 0)
+ return r;
+
+ assert(r == 0);
+ assert(!h->current_operation);
+
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_authenticate(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(user_record_unrefp) UserRecord *secret = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = bus_message_read_secret(message, &secret, error);
+ if (r < 0)
+ return r;
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.home1.authenticate-home",
+ NULL,
+ true,
+ h->uid,
+ &h->manager->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
+ r = home_authenticate(h, secret, error);
+ if (r < 0)
+ return r;
+
+ assert(r == 0);
+ assert(!h->current_operation);
+
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_update_record(Home *h, sd_bus_message *message, UserRecord *hr, sd_bus_error *error) {
+ int r;
+
+ assert(h);
+ assert(message);
+ assert(hr);
+
+ r = user_record_is_supported(hr, error);
+ if (r < 0)
+ return r;
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.home1.update-home",
+ NULL,
+ true,
+ UID_INVALID,
+ &h->manager->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
+ r = home_update(h, hr, error);
+ if (r < 0)
+ return r;
+
+ assert(r == 0);
+ assert(!h->current_operation);
+
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_update(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(user_record_unrefp) UserRecord *hr = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = bus_message_read_home_record(message, USER_RECORD_REQUIRE_REGULAR|USER_RECORD_REQUIRE_SECRET|USER_RECORD_ALLOW_PRIVILEGED|USER_RECORD_ALLOW_PER_MACHINE|USER_RECORD_ALLOW_SIGNATURE|USER_RECORD_PERMISSIVE, &hr, error);
+ if (r < 0)
+ return r;
+
+ return bus_home_method_update_record(h, message, hr, error);
+}
+
+int bus_home_method_resize(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(user_record_unrefp) UserRecord *secret = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ uint64_t sz;
+ int r;
+
+ assert(message);
+
+ r = sd_bus_message_read(message, "t", &sz);
+ if (r < 0)
+ return r;
+
+ r = bus_message_read_secret(message, &secret, error);
+ if (r < 0)
+ return r;
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.home1.resize-home",
+ NULL,
+ true,
+ UID_INVALID,
+ &h->manager->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
+ r = home_resize(h, sz, secret, /* automatic= */ false, error);
+ if (r < 0)
+ return r;
+
+ assert(r == 0);
+ assert(!h->current_operation);
+
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_change_password(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(user_record_unrefp) UserRecord *new_secret = NULL, *old_secret = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = bus_message_read_secret(message, &new_secret, error);
+ if (r < 0)
+ return r;
+
+ r = bus_message_read_secret(message, &old_secret, error);
+ if (r < 0)
+ return r;
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.home1.passwd-home",
+ NULL,
+ true,
+ h->uid,
+ &h->manager->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
+ r = home_passwd(h, new_secret, old_secret, error);
+ if (r < 0)
+ return r;
+
+ assert(r == 0);
+ assert(!h->current_operation);
+
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_lock(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = home_lock(h, error);
+ if (r < 0)
+ return r;
+ if (r > 0) /* Done */
+ return sd_bus_reply_method_return(message, NULL);
+
+ /* The operation is now in process, keep track of this message so that we can later reply to it. */
+ assert(!h->current_operation);
+
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_unlock(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(user_record_unrefp) UserRecord *secret = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ r = bus_message_read_secret(message, &secret, error);
+ if (r < 0)
+ return r;
+
+ r = home_unlock(h, secret, error);
+ if (r < 0)
+ return r;
+
+ assert(r == 0);
+ assert(!h->current_operation);
+
+ /* The operation is now in process, keep track of this message so that we can later reply to it. */
+ r = home_set_current_message(h, message);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_acquire(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(user_record_unrefp) UserRecord *secret = NULL;
+ _cleanup_(operation_unrefp) Operation *o = NULL;
+ _cleanup_close_ int fd = -1;
+ int r, please_suspend;
+ Home *h = ASSERT_PTR(userdata);
+
+ assert(message);
+
+ r = bus_message_read_secret(message, &secret, error);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read(message, "b", &please_suspend);
+ if (r < 0)
+ return r;
+
+ /* This operation might not be something we can executed immediately, hence queue it */
+ fd = home_create_fifo(h, please_suspend);
+ if (fd < 0)
+ return sd_bus_reply_method_errnof(message, fd, "Failed to allocate FIFO for %s: %m", h->user_name);
+
+ o = operation_new(OPERATION_ACQUIRE, message);
+ if (!o)
+ return -ENOMEM;
+
+ o->secret = TAKE_PTR(secret);
+ o->send_fd = TAKE_FD(fd);
+
+ r = home_schedule_operation(h, o, error);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+int bus_home_method_ref(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_close_ int fd = -1;
+ Home *h = ASSERT_PTR(userdata);
+ HomeState state;
+ int please_suspend, r;
+
+ assert(message);
+
+ r = sd_bus_message_read(message, "b", &please_suspend);
+ if (r < 0)
+ return r;
+
+ state = home_get_state(h);
+ switch (state) {
+ case HOME_ABSENT:
+ return sd_bus_error_setf(error, BUS_ERROR_HOME_ABSENT, "Home %s is currently missing or not plugged in.", h->user_name);
+ case HOME_UNFIXATED:
+ case HOME_INACTIVE:
+ case HOME_DIRTY:
+ return sd_bus_error_setf(error, BUS_ERROR_HOME_NOT_ACTIVE, "Home %s not active.", h->user_name);
+ case HOME_LOCKED:
+ return sd_bus_error_setf(error, BUS_ERROR_HOME_LOCKED, "Home %s is currently locked.", h->user_name);
+ default:
+ if (HOME_STATE_IS_ACTIVE(state))
+ break;
+
+ return sd_bus_error_setf(error, BUS_ERROR_HOME_BUSY, "An operation on home %s is currently being executed.", h->user_name);
+ }
+
+ fd = home_create_fifo(h, please_suspend);
+ if (fd < 0)
+ return sd_bus_reply_method_errnof(message, fd, "Failed to allocate FIFO for %s: %m", h->user_name);
+
+ return sd_bus_reply_method_return(message, "h", fd);
+}
+
+int bus_home_method_release(
+ sd_bus_message *message,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(operation_unrefp) Operation *o = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ assert(message);
+
+ o = operation_new(OPERATION_RELEASE, message);
+ if (!o)
+ return -ENOMEM;
+
+ r = home_schedule_operation(h, o, error);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+/* We map a uid_t as uint32_t bus property, let's ensure this is safe. */
+assert_cc(sizeof(uid_t) == sizeof(uint32_t));
+
+int bus_home_path(Home *h, char **ret) {
+ assert(ret);
+
+ return sd_bus_path_encode("/org/freedesktop/home1/home", h->user_name, ret);
+}
+
+static int bus_home_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;
+ uid_t uid;
+ Home *h;
+ int r;
+
+ r = sd_bus_path_decode(path, "/org/freedesktop/home1/home", &e);
+ if (r <= 0)
+ return 0;
+
+ if (parse_uid(e, &uid) >= 0)
+ h = hashmap_get(m->homes_by_uid, UID_TO_PTR(uid));
+ else
+ h = hashmap_get(m->homes_by_name, e);
+ if (!h)
+ return 0;
+
+ *found = h;
+ return 1;
+}
+
+static int bus_home_node_enumerator(
+ sd_bus *bus,
+ const char *path,
+ void *userdata,
+ char ***nodes,
+ sd_bus_error *error) {
+
+ _cleanup_strv_free_ char **l = NULL;
+ Manager *m = userdata;
+ size_t k = 0;
+ Home *h;
+ int r;
+
+ assert(nodes);
+
+ l = new0(char*, hashmap_size(m->homes_by_uid) + 1);
+ if (!l)
+ return -ENOMEM;
+
+ HASHMAP_FOREACH(h, m->homes_by_uid) {
+ r = bus_home_path(h, l + k);
+ if (r < 0)
+ return r;
+
+ k++;
+ }
+
+ *nodes = TAKE_PTR(l);
+ return 1;
+}
+
+const sd_bus_vtable home_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+
+ SD_BUS_PROPERTY("UserName", "s",
+ NULL, offsetof(Home, user_name),
+ SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("UID", "u",
+ NULL, offsetof(Home, uid),
+ SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("UnixRecord", "(suusss)",
+ property_get_unix_record, 0,
+ SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("State", "s",
+ property_get_state, 0,
+ 0),
+ SD_BUS_PROPERTY("UserRecord", "(sb)",
+ property_get_user_record, 0,
+ SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION|SD_BUS_VTABLE_SENSITIVE),
+
+ SD_BUS_METHOD_WITH_ARGS("Activate",
+ SD_BUS_ARGS("s", secret),
+ SD_BUS_NO_RESULT,
+ bus_home_method_activate,
+ SD_BUS_VTABLE_SENSITIVE),
+ SD_BUS_METHOD("Deactivate", NULL, NULL, bus_home_method_deactivate, 0),
+ SD_BUS_METHOD("Unregister", NULL, NULL, bus_home_method_unregister, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("Realize",
+ SD_BUS_ARGS("s", secret),
+ SD_BUS_NO_RESULT,
+ bus_home_method_realize,
+ SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_SENSITIVE),
+
+ SD_BUS_METHOD("Remove", NULL, NULL, bus_home_method_remove, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("Fixate",
+ SD_BUS_ARGS("s", secret),
+ SD_BUS_NO_RESULT,
+ bus_home_method_fixate,
+ SD_BUS_VTABLE_SENSITIVE),
+ SD_BUS_METHOD_WITH_ARGS("Authenticate",
+ SD_BUS_ARGS("s", secret),
+ SD_BUS_NO_RESULT,
+ bus_home_method_authenticate,
+ SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_SENSITIVE),
+ SD_BUS_METHOD_WITH_ARGS("Update",
+ SD_BUS_ARGS("s", user_record),
+ SD_BUS_NO_RESULT,
+ bus_home_method_update,
+ SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_SENSITIVE),
+ SD_BUS_METHOD_WITH_ARGS("Resize",
+ SD_BUS_ARGS("t", size, "s", secret),
+ SD_BUS_NO_RESULT,
+ bus_home_method_resize,
+ SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_SENSITIVE),
+ SD_BUS_METHOD_WITH_ARGS("ChangePassword",
+ SD_BUS_ARGS("s", new_secret, "s", old_secret),
+ SD_BUS_NO_RESULT,
+ bus_home_method_change_password,
+ SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_SENSITIVE),
+ SD_BUS_METHOD("Lock", NULL, NULL, bus_home_method_lock, 0),
+ SD_BUS_METHOD_WITH_ARGS("Unlock",
+ SD_BUS_ARGS("s", secret),
+ SD_BUS_NO_RESULT,
+ bus_home_method_unlock,
+ SD_BUS_VTABLE_SENSITIVE),
+ SD_BUS_METHOD_WITH_ARGS("Acquire",
+ SD_BUS_ARGS("s", secret, "b", please_suspend),
+ SD_BUS_RESULT("h", send_fd),
+ bus_home_method_acquire,
+ SD_BUS_VTABLE_SENSITIVE),
+ SD_BUS_METHOD_WITH_ARGS("Ref",
+ SD_BUS_ARGS("b", please_suspend),
+ SD_BUS_RESULT("h", send_fd),
+ bus_home_method_ref,
+ 0),
+ SD_BUS_METHOD("Release", NULL, NULL, bus_home_method_release, 0),
+ SD_BUS_VTABLE_END
+};
+
+const BusObjectImplementation home_object = {
+ "/org/freedesktop/home1/home",
+ "org.freedesktop.home1.Home",
+ .fallback_vtables = BUS_FALLBACK_VTABLES({home_vtable, bus_home_object_find}),
+ .node_enumerator = bus_home_node_enumerator,
+ .manager = true,
+};
+
+static int on_deferred_change(sd_event_source *s, void *userdata) {
+ _cleanup_free_ char *path = NULL;
+ Home *h = ASSERT_PTR(userdata);
+ int r;
+
+ h->deferred_change_event_source = sd_event_source_disable_unref(h->deferred_change_event_source);
+
+ r = bus_home_path(h, &path);
+ if (r < 0) {
+ log_warning_errno(r, "Failed to generate home bus path, ignoring: %m");
+ return 0;
+ }
+
+ if (h->announced)
+ r = sd_bus_emit_properties_changed_strv(h->manager->bus, path, "org.freedesktop.home1.Home", NULL);
+ else
+ r = sd_bus_emit_object_added(h->manager->bus, path);
+ if (r < 0)
+ log_warning_errno(r, "Failed to send home change event, ignoring: %m");
+ else
+ h->announced = true;
+
+ return 0;
+}
+
+int bus_home_emit_change(Home *h) {
+ int r;
+
+ assert(h);
+
+ if (h->deferred_change_event_source)
+ return 1;
+
+ if (!h->manager->event)
+ return 0;
+
+ if (IN_SET(sd_event_get_state(h->manager->event), SD_EVENT_FINISHED, SD_EVENT_EXITING))
+ return 0;
+
+ r = sd_event_add_defer(h->manager->event, &h->deferred_change_event_source, on_deferred_change, h);
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate deferred change event source: %m");
+
+ r = sd_event_source_set_priority(h->deferred_change_event_source, SD_EVENT_PRIORITY_IDLE+5);
+ if (r < 0)
+ log_warning_errno(r, "Failed to tweak priority of event source, ignoring: %m");
+
+ (void) sd_event_source_set_description(h->deferred_change_event_source, "deferred-change-event");
+ return 1;
+}
+
+int bus_home_emit_remove(Home *h) {
+ _cleanup_free_ char *path = NULL;
+ int r;
+
+ assert(h);
+
+ if (!h->announced)
+ return 0;
+
+ if (!h->manager)
+ return 0;
+
+ if (!h->manager->bus)
+ return 0;
+
+ r = bus_home_path(h, &path);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_emit_object_removed(h->manager->bus, path);
+ if (r < 0)
+ return r;
+
+ h->announced = false;
+ return 1;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 19:56:09 +0000