int session_send_changed(Session *s, const char *properties) {
DBusMessage *m;
int r = -ENOMEM;
char *p = NULL;
assert(s);
if (!s->started)
return 0;
p = session_bus_path(s);
if (!p)
return -ENOMEM;
m = bus_properties_changed_new(p, "org.freedesktop.login1.Session", properties);
if (!m)
goto finish;
if (!dbus_connection_send(s->manager->bus, m, NULL))
goto finish;
r = 0;
finish:
if (m)
dbus_message_unref(m);
free(p);
return r;
}
static int convert_x11_to_vconsole(DBusConnection *connection) {
bool modified = false;
assert(connection);
if (isempty(state.x11_layout)) {
modified =
!isempty(state.vc_keymap) ||
!isempty(state.vc_keymap_toggle);
free_data_x11();
} else {
FILE *f;
unsigned n = 0;
unsigned best_matching = 0;
char *new_keymap = NULL;
f = fopen(SYSTEMD_KBD_MODEL_MAP, "re");
if (!f)
return -errno;
for (;;) {
char **a;
unsigned matching = 0;
int r;
r = read_next_mapping(f, &n, &a);
if (r < 0) {
fclose(f);
return r;
}
if (r == 0)
break;
/* Determine how well matching this entry is */
if (streq_ptr(state.x11_layout, a[1]))
/* If we got an exact match, this is best */
matching = 10;
else {
size_t x;
x = strcspn(state.x11_layout, ",");
/* We have multiple X layouts, look
* for an entry that matches our key
* with the everything but the first
* layout stripped off. */
if (x > 0 &&
strlen(a[1]) == x &&
strncmp(state.x11_layout, a[1], x) == 0)
matching = 5;
else {
size_t w;
/* If that didn't work, strip
* off the other layouts from
* the entry, too */
w = strcspn(a[1], ",");
if (x > 0 && x == w &&
memcmp(state.x11_layout, a[1], x) == 0)
matching = 1;
}
}
if (matching > 0 &&
streq_ptr(state.x11_model, a[2])) {
matching++;
if (streq_ptr(state.x11_variant, a[3])) {
matching++;
if (streq_ptr(state.x11_options, a[4]))
matching++;
}
}
/* The best matching entry so far, then let's
* save that */
if (matching > best_matching) {
best_matching = matching;
free(new_keymap);
new_keymap = strdup(a[0]);
if (!new_keymap) {
strv_free(a);
fclose(f);
return -ENOMEM;
}
}
strv_free(a);
}
fclose(f);
if (!streq_ptr(state.vc_keymap, new_keymap)) {
free(state.vc_keymap);
state.vc_keymap = new_keymap;
free(state.vc_keymap_toggle);
state.vc_keymap_toggle = NULL;
modified = true;
} else
free(new_keymap);
}
if (modified) {
dbus_bool_t b;
DBusMessage *changed;
int r;
r = write_data_vconsole();
if (r < 0)
log_error("Failed to set virtual console keymap: %s", strerror(-r));
changed = bus_properties_changed_new(
"/org/freedesktop/locale1",
"org.freedesktop.locale1",
"VConsoleKeymap\0"
"VConsoleKeymapToggle\0");
if (!changed)
return -ENOMEM;
b = dbus_connection_send(connection, changed, NULL);
dbus_message_unref(changed);
if (!b)
return -ENOMEM;
return load_vconsole_keymap(connection, NULL);
}
return 0;
}
static int convert_vconsole_to_x11(DBusConnection *connection) {
bool modified = false;
assert(connection);
if (isempty(state.vc_keymap)) {
modified =
!isempty(state.x11_layout) ||
!isempty(state.x11_model) ||
!isempty(state.x11_variant) ||
!isempty(state.x11_options);
free_data_x11();
} else {
FILE *f;
unsigned n = 0;
f = fopen(SYSTEMD_KBD_MODEL_MAP, "re");
if (!f)
return -errno;
for (;;) {
char **a;
int r;
r = read_next_mapping(f, &n, &a);
if (r < 0) {
fclose(f);
return r;
}
if (r == 0)
break;
if (!streq(state.vc_keymap, a[0])) {
strv_free(a);
continue;
}
if (!streq_ptr(state.x11_layout, strnulldash(a[1])) ||
!streq_ptr(state.x11_model, strnulldash(a[2])) ||
!streq_ptr(state.x11_variant, strnulldash(a[3])) ||
!streq_ptr(state.x11_options, strnulldash(a[4]))) {
if (free_and_set(&state.x11_layout, strnulldash(a[1])) < 0 ||
free_and_set(&state.x11_model, strnulldash(a[2])) < 0 ||
free_and_set(&state.x11_variant, strnulldash(a[3])) < 0 ||
free_and_set(&state.x11_options, strnulldash(a[4])) < 0) {
strv_free(a);
fclose(f);
return -ENOMEM;
}
modified = true;
}
strv_free(a);
break;
}
fclose(f);
}
if (modified) {
dbus_bool_t b;
DBusMessage *changed;
int r;
r = write_data_x11();
if (r < 0)
log_error("Failed to set X11 keyboard layout: %s", strerror(-r));
changed = bus_properties_changed_new(
"/org/freedesktop/locale1",
"org.freedesktop.locale1",
"X11Layout\0"
"X11Model\0"
"X11Variant\0"
"X11Options\0");
if (!changed)
return -ENOMEM;
b = dbus_connection_send(connection, changed, NULL);
dbus_message_unref(changed);
if (!b)
return -ENOMEM;
}
return 0;
}
