| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #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 = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(h); |
| |
| 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 = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(h); |
| |
| 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; |
| 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 = userdata; |
| bool incomplete; |
| int r; |
| |
| assert(bus); |
| assert(reply); |
| assert(h); |
| |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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, &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 = userdata; |
| uint64_t sz; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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, 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| |
| assert(message); |
| assert(h); |
| |
| 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 = userdata; |
| HomeState state; |
| int please_suspend, r; |
| |
| assert(message); |
| assert(h); |
| |
| 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: |
| 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 = userdata; |
| int r; |
| |
| assert(message); |
| assert(h); |
| |
| 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; |
| Iterator i; |
| 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, i) { |
| r = bus_home_path(h, l + k); |
| if (r < 0) |
| return r; |
| } |
| |
| *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_NAMES("Activate", |
| "s", |
| SD_BUS_PARAM(secret), |
| NULL,, |
| 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_NAMES("Realize", |
| "s", |
| SD_BUS_PARAM(secret), |
| NULL,, |
| 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_NAMES("Fixate", |
| "s", |
| SD_BUS_PARAM(secret), |
| NULL,, |
| bus_home_method_fixate, |
| SD_BUS_VTABLE_SENSITIVE), |
| SD_BUS_METHOD_WITH_NAMES("Authenticate", |
| "s", |
| SD_BUS_PARAM(secret), |
| NULL,, |
| bus_home_method_authenticate, |
| SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_SENSITIVE), |
| SD_BUS_METHOD_WITH_NAMES("Update", |
| "s", |
| SD_BUS_PARAM(user_record), |
| NULL,, |
| bus_home_method_update, |
| SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_SENSITIVE), |
| SD_BUS_METHOD_WITH_NAMES("Resize", |
| "ts", |
| SD_BUS_PARAM(size) |
| SD_BUS_PARAM(secret), |
| NULL,, |
| bus_home_method_resize, |
| SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_SENSITIVE), |
| SD_BUS_METHOD_WITH_NAMES("ChangePassword", |
| "ss", |
| SD_BUS_PARAM(new_secret) |
| SD_BUS_PARAM(old_secret), |
| NULL,, |
| 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_NAMES("Unlock", |
| "s", |
| SD_BUS_PARAM(secret), |
| NULL,, |
| bus_home_method_unlock, |
| SD_BUS_VTABLE_SENSITIVE), |
| SD_BUS_METHOD_WITH_NAMES("Acquire", |
| "sb", |
| SD_BUS_PARAM(secret) |
| SD_BUS_PARAM(please_suspend), |
| "h", |
| SD_BUS_PARAM(send_fd), |
| bus_home_method_acquire, |
| SD_BUS_VTABLE_SENSITIVE), |
| SD_BUS_METHOD_WITH_NAMES("Ref", |
| "b", |
| SD_BUS_PARAM(please_suspend), |
| "h", |
| SD_BUS_PARAM(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 = userdata; |
| int r; |
| |
| assert(h); |
| |
| 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; |
| |
| 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; |
| } |