diff options
Diffstat (limited to 'src/login/logind-seat-dbus.c')
-rw-r--r-- | src/login/logind-seat-dbus.c | 474 |
1 files changed, 0 insertions, 474 deletions
diff --git a/src/login/logind-seat-dbus.c b/src/login/logind-seat-dbus.c deleted file mode 100644 index f934a5326a..0000000000 --- a/src/login/logind-seat-dbus.c +++ /dev/null @@ -1,474 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - 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. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <string.h> - -#include "alloc-util.h" -#include "bus-common-errors.h" -#include "bus-label.h" -#include "bus-util.h" -#include "logind-seat.h" -#include "logind.h" -#include "strv.h" -#include "user-util.h" -#include "util.h" - -static int property_get_active_session( - 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 *p = NULL; - Seat *s = userdata; - - assert(bus); - assert(reply); - assert(s); - - p = s->active ? session_bus_path(s->active) : strdup("/"); - if (!p) - return -ENOMEM; - - return sd_bus_message_append(reply, "(so)", s->active ? s->active->id : "", p); -} - -static int property_get_can_multi_session( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Seat *s = userdata; - - assert(bus); - assert(reply); - assert(s); - - return sd_bus_message_append(reply, "b", seat_can_multi_session(s)); -} - -static int property_get_can_tty( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Seat *s = userdata; - - assert(bus); - assert(reply); - assert(s); - - return sd_bus_message_append(reply, "b", seat_can_tty(s)); -} - -static int property_get_can_graphical( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Seat *s = userdata; - - assert(bus); - assert(reply); - assert(s); - - return sd_bus_message_append(reply, "b", seat_can_graphical(s)); -} - -static int property_get_sessions( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Seat *s = userdata; - Session *session; - int r; - - assert(bus); - assert(reply); - assert(s); - - r = sd_bus_message_open_container(reply, 'a', "(so)"); - if (r < 0) - return r; - - LIST_FOREACH(sessions_by_seat, session, s->sessions) { - _cleanup_free_ char *p = NULL; - - p = session_bus_path(session); - if (!p) - return -ENOMEM; - - r = sd_bus_message_append(reply, "(so)", session->id, p); - if (r < 0) - return r; - - } - - r = sd_bus_message_close_container(reply); - if (r < 0) - return r; - - return 1; -} - -static int property_get_idle_hint( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Seat *s = userdata; - - assert(bus); - assert(reply); - assert(s); - - return sd_bus_message_append(reply, "b", seat_get_idle_hint(s, NULL) > 0); -} - -static int property_get_idle_since_hint( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Seat *s = userdata; - dual_timestamp t; - uint64_t u; - int r; - - assert(bus); - assert(reply); - assert(s); - - r = seat_get_idle_hint(s, &t); - if (r < 0) - return r; - - u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; - - return sd_bus_message_append(reply, "t", u); -} - -int bus_seat_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) { - Seat *s = userdata; - int r; - - assert(message); - assert(s); - - r = bus_verify_polkit_async( - message, - CAP_KILL, - "org.freedesktop.login1.manage", - NULL, - false, - UID_INVALID, - &s->manager->polkit_registry, - error); - if (r < 0) - return r; - if (r == 0) - return 1; /* Will call us back */ - - r = seat_stop_sessions(s, true); - if (r < 0) - return r; - - return sd_bus_reply_method_return(message, NULL); -} - -static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { - Seat *s = userdata; - const char *name; - Session *session; - int r; - - assert(message); - assert(s); - - r = sd_bus_message_read(message, "s", &name); - if (r < 0) - return r; - - session = hashmap_get(s->manager->sessions, name); - if (!session) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); - - if (session->seat != s) - return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", name, s->id); - - r = session_activate(session); - if (r < 0) - return r; - - return sd_bus_reply_method_return(message, NULL); -} - -static int method_switch_to(sd_bus_message *message, void *userdata, sd_bus_error *error) { - Seat *s = userdata; - unsigned int to; - int r; - - assert(message); - assert(s); - - r = sd_bus_message_read(message, "u", &to); - if (r < 0) - return r; - - if (to <= 0) - return -EINVAL; - - r = seat_switch_to(s, to); - if (r < 0) - return r; - - return sd_bus_reply_method_return(message, NULL); -} - -static int method_switch_to_next(sd_bus_message *message, void *userdata, sd_bus_error *error) { - Seat *s = userdata; - int r; - - assert(message); - assert(s); - - r = seat_switch_to_next(s); - if (r < 0) - return r; - - return sd_bus_reply_method_return(message, NULL); -} - -static int method_switch_to_previous(sd_bus_message *message, void *userdata, sd_bus_error *error) { - Seat *s = userdata; - int r; - - assert(message); - assert(s); - - r = seat_switch_to_previous(s); - if (r < 0) - return r; - - return sd_bus_reply_method_return(message, NULL); -} - -const sd_bus_vtable seat_vtable[] = { - SD_BUS_VTABLE_START(0), - - SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Seat, id), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("ActiveSession", "(so)", property_get_active_session, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), - SD_BUS_PROPERTY("CanMultiSession", "b", property_get_can_multi_session, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("CanTTY", "b", property_get_can_tty, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("CanGraphical", "b", property_get_can_graphical, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), - SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions, 0, 0), - SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), - SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), - SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), - - SD_BUS_METHOD("Terminate", NULL, NULL, bus_seat_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED), - SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED), - SD_BUS_METHOD("SwitchTo", "u", NULL, method_switch_to, SD_BUS_VTABLE_UNPRIVILEGED), - SD_BUS_METHOD("SwitchToNext", NULL, NULL, method_switch_to_next, SD_BUS_VTABLE_UNPRIVILEGED), - SD_BUS_METHOD("SwitchToPrevious", NULL, NULL, method_switch_to_previous, SD_BUS_VTABLE_UNPRIVILEGED), - - SD_BUS_VTABLE_END -}; - -int seat_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { - Manager *m = userdata; - Seat *seat; - int r; - - assert(bus); - assert(path); - assert(interface); - assert(found); - assert(m); - - if (streq(path, "/org/freedesktop/login1/seat/self")) { - _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; - sd_bus_message *message; - Session *session; - const char *name; - - message = sd_bus_get_current_message(bus); - if (!message) - return 0; - - r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); - if (r < 0) - return r; - - r = sd_bus_creds_get_session(creds, &name); - if (r < 0) - return r; - - session = hashmap_get(m->sessions, name); - if (!session) - return 0; - - seat = session->seat; - } else { - _cleanup_free_ char *e = NULL; - const char *p; - - p = startswith(path, "/org/freedesktop/login1/seat/"); - if (!p) - return 0; - - e = bus_label_unescape(p); - if (!e) - return -ENOMEM; - - seat = hashmap_get(m->seats, e); - } - - if (!seat) - return 0; - - *found = seat; - return 1; -} - -char *seat_bus_path(Seat *s) { - _cleanup_free_ char *t = NULL; - - assert(s); - - t = bus_label_escape(s->id); - if (!t) - return NULL; - - return strappend("/org/freedesktop/login1/seat/", t); -} - -int seat_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { - _cleanup_strv_free_ char **l = NULL; - sd_bus_message *message; - Manager *m = userdata; - Seat *seat; - Iterator i; - int r; - - assert(bus); - assert(path); - assert(nodes); - - HASHMAP_FOREACH(seat, m->seats, i) { - char *p; - - p = seat_bus_path(seat); - if (!p) - return -ENOMEM; - - r = strv_consume(&l, p); - if (r < 0) - return r; - } - - message = sd_bus_get_current_message(bus); - if (message) { - _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; - const char *name; - Session *session; - - r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); - if (r >= 0) { - r = sd_bus_creds_get_session(creds, &name); - if (r >= 0) { - session = hashmap_get(m->sessions, name); - if (session && session->seat) { - r = strv_extend(&l, "/org/freedesktop/login1/seat/self"); - if (r < 0) - return r; - } - } - } - } - - *nodes = l; - l = NULL; - - return 1; -} - -int seat_send_signal(Seat *s, bool new_seat) { - _cleanup_free_ char *p = NULL; - - assert(s); - - p = seat_bus_path(s); - if (!p) - return -ENOMEM; - - return sd_bus_emit_signal( - s->manager->bus, - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - new_seat ? "SeatNew" : "SeatRemoved", - "so", s->id, p); -} - -int seat_send_changed(Seat *s, const char *properties, ...) { - _cleanup_free_ char *p = NULL; - char **l; - - assert(s); - - if (!s->started) - return 0; - - p = seat_bus_path(s); - if (!p) - return -ENOMEM; - - l = strv_from_stdarg_alloca(properties); - - return sd_bus_emit_properties_changed_strv(s->manager->bus, p, "org.freedesktop.login1.Seat", l); -} |