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uwac: handle wl_seat with version >= 7

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Starting at version 7, the wayland client is supposed to mmap the keymap as MAP_PRIVATE
to prevent accidental or intentional modifications.
This commit is contained in:
David Fort 2018-12-05 15:21:00 +01:00
parent 42c083eaea
commit b9ceb13058
1 changed files with 5 additions and 1 deletions
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6
uwac/libuwac/uwac-input.c
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@ -66,6 +66,7 @@ static void keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard,
struct xkb_keymap *keymap; struct xkb_keymap *keymap;
struct xkb_state *state; struct xkb_state *state;
char *map_str; char *map_str;
int mapFlags = MAP_SHARED;
if (!data) { if (!data) {
close(fd); close(fd);
@ -77,7 +78,10 @@ static void keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard,
return; return;
} }
map_str = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); if (input->seat_version >= 7)
mapFlags = MAP_PRIVATE;
map_str = mmap(NULL, size, PROT_READ, mapFlags, fd, 0);
if (map_str == MAP_FAILED) { if (map_str == MAP_FAILED) {
close(fd); close(fd);
return; return;