logind: introduce session "positions"

[elogind.git] / src / login / logind-seat-dbus.c

diff --git a/src/login/logind-seat-dbus.c b/src/login/logind-seat-dbus.c
index 23f975bca7ebae9c5630644a0b42ca77fccfe54f..909007c30c95296588581140cad9e6462b5d6a32 100644 (file)
--- a/src/login/logind-seat-dbus.c
+++ b/src/login/logind-seat-dbus.c
@@ -21,6 +21,7 @@
 
 #include <errno.h>
 #include <string.h>
+#include <sys/capability.h>
 
 #include "util.h"
 #include "bus-util.h"
@@ -235,21 +236,77 @@ static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *u
         return sd_bus_reply_method_return(message, NULL);
 }
 
+static int method_switch_to(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Seat *s = userdata;
+        unsigned int to;
+        int r;
+
+        assert(bus);
+        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 *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Seat *s = userdata;
+        int r;
+
+        assert(bus);
+        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 *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Seat *s = userdata;
+        int r;
+
+        assert(bus);
+        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), 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, 0),
-        SD_BUS_PROPERTY("CanTTY", "b", property_get_can_tty, 0, 0),
+        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, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
         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, method_terminate, 0),
-        SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, 0),
+        SD_BUS_METHOD("Terminate", NULL, NULL, method_terminate, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
+        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
 };