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Dont use dlopen in gsr-global-hotkeys

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dec05eba
2025-01-09 12:42:10 +01:00
parent 698538ac84
commit b0def958c7
5 changed files with 30 additions and 119 deletions
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74
tools/gsr-global-hotkeys/main.c
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@@ -46,76 +46,12 @@ static void usage(void) {
fprintf(stderr, " --virtual Grab all virtual devices only.\n");
}
typedef void* (*XOpenDisplay_FUNC)(const char*);
typedef int (*XErrorHandler_FUNC)(void *display, void* error_event);
typedef XErrorHandler_FUNC (*XSetErrorHandler_FUNC)(XErrorHandler_FUNC handler);
static int x_ignore_error(void *display, void *ee) {
static int x_ignore_error(Display *display, XErrorEvent *ee) {
(void)display;
(void)ee;
return 0;
}
static x11_context setup_x11_context(void) {
x11_context x_context = {0};
XSetErrorHandler_FUNC XSetErrorHandler = NULL;
void *x11_lib = dlopen("libX11.so.6", RTLD_LAZY);
if(!x11_lib) {
fprintf(stderr, "Warning: dlopen libX11.so.6 failed\n");
return x_context;
}
XOpenDisplay_FUNC XOpenDisplay = dlsym(x11_lib, "XOpenDisplay");
if(!XOpenDisplay) {
fprintf(stderr, "Warning: dlsym XOpenDisplay failed\n");
goto fail;
}
x_context.XKeycodeToKeysym = dlsym(x11_lib, "XKeycodeToKeysym");
if(!x_context.XKeycodeToKeysym) {
fprintf(stderr, "Warning: dlsym XKeycodeToKeysym failed\n");
goto fail;
}
x_context.XPending = dlsym(x11_lib, "XPending");
if(!x_context.XPending) {
fprintf(stderr, "Warning: dlsym XPending failed\n");
goto fail;
}
x_context.XNextEvent = dlsym(x11_lib, "XNextEvent");
if(!x_context.XNextEvent) {
fprintf(stderr, "Warning: dlsym XNextEvent failed\n");
goto fail;
}
x_context.XRefreshKeyboardMapping = dlsym(x11_lib, "XRefreshKeyboardMapping");
if(!x_context.XRefreshKeyboardMapping) {
fprintf(stderr, "Warning: dlsym XRefreshKeyboardMapping failed\n");
goto fail;
}
x_context.display = XOpenDisplay(NULL);
if(!x_context.display) {
fprintf(stderr, "Warning: XOpenDisplay failed\n");
goto fail;
}
XSetErrorHandler = dlsym(x11_lib, "XSetErrorHandler");
if(XSetErrorHandler)
XSetErrorHandler(x_ignore_error);
else
fprintf(stderr, "Warning: dlsym XSetErrorHandler failed\n");
return x_context;
fail:
memset(&x_context, 0, sizeof(x_context));
dlclose(x11_lib);
return x_context;
}
int main(int argc, char **argv) {
keyboard_grab_type grab_type = KEYBOARD_GRAB_TYPE_ALL;
if(argc == 2) {
@@ -135,7 +71,11 @@ int main(int argc, char **argv) {
return 1;
}
x11_context x_context = setup_x11_context();
Display *display = XOpenDisplay(NULL);
if(display)
XSetErrorHandler(x_ignore_error);
else
fprintf(stderr, "Warning: XOpenDisplay failed\n");
const uid_t user_id = getuid();
if(geteuid() != 0) {
@@ -146,7 +86,7 @@ int main(int argc, char **argv) {
}
keyboard_event keyboard_ev;
if(!keyboard_event_init(&keyboard_ev, true, true, grab_type, x_context)) {
if(!keyboard_event_init(&keyboard_ev, true, true, grab_type, display)) {
fprintf(stderr, "Error: failed to setup hotplugging and no keyboard input devices were found\n");
setuid(user_id);
return 1;