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-rw-r--r--src/locale/localed.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/locale/localed.c b/src/locale/localed.c
index 9377ce5015..4e56382f4f 100644
--- a/src/locale/localed.c
+++ b/src/locale/localed.c
@@ -41,6 +41,10 @@
#include "event-util.h"
#include "locale-util.h"
+#ifdef HAVE_XKBCOMMON
+#include <xkbcommon/xkbcommon.h>
+#endif
+
enum {
/* We don't list LC_ALL here on purpose. People should be
* using LANG instead. */
@@ -1005,6 +1009,51 @@ static int method_set_vc_keyboard(sd_bus *bus, sd_bus_message *m, void *userdata
return sd_bus_reply_method_return(m, NULL);
}
+#ifdef HAVE_XKBCOMMON
+static void log_xkb(struct xkb_context *ctx, enum xkb_log_level lvl, const char *format, va_list args) {
+ /* suppress xkb messages for now */
+}
+
+static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) {
+ const struct xkb_rule_names rmlvo = {
+ .model = model,
+ .layout = layout,
+ .variant = variant,
+ .options = options,
+ };
+ struct xkb_context *ctx = NULL;
+ struct xkb_keymap *km = NULL;
+ int r;
+
+ /* compile keymap from RMLVO information to check out its validity */
+
+ ctx = xkb_context_new(XKB_CONTEXT_NO_ENVIRONMENT_NAMES);
+ if (!ctx) {
+ r = -ENOMEM;
+ goto exit;
+ }
+
+ xkb_context_set_log_fn(ctx, log_xkb);
+
+ km = xkb_keymap_new_from_names(ctx, &rmlvo, XKB_KEYMAP_COMPILE_NO_FLAGS);
+ if (!km) {
+ r = -EINVAL;
+ goto exit;
+ }
+
+ r = 0;
+
+exit:
+ xkb_keymap_unref(km);
+ xkb_context_unref(ctx);
+ return r;
+}
+#else
+static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) {
+ return 0;
+}
+#endif
+
static int method_set_x11_keyboard(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
Context *c = userdata;
const char *layout, *model, *variant, *options;
@@ -1038,6 +1087,11 @@ static int method_set_x11_keyboard(sd_bus *bus, sd_bus_message *m, void *userdat
(options && !string_is_safe(options)))
return sd_bus_error_set_errnof(error, -EINVAL, "Received invalid keyboard data");
+ r = verify_xkb_rmlvo(model, layout, variant, options);
+ if (r < 0)
+ log_warning("Cannot compile XKB keymap for new x11 keyboard layout ('%s' / '%s' / '%s' / '%s'): %s",
+ strempty(model), strempty(layout), strempty(variant), strempty(options), strerror(-r));
+
r = bus_verify_polkit_async(m, CAP_SYS_ADMIN, "org.freedesktop.locale1.set-keyboard", interactive, &c->polkit_registry, error);
if (r < 0)
return r;