encounter
/
SDL
mirror of https://github.com/encounter/SDL.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Don't enumerate HID devices on macOS if we don't have input monitoring permissions 

Unfortunately the only way to detect this is to actually try opening a device, so we wait until the application tries, and then stop enumerating afterwards.

Fixes https://github.com/libsdl-org/SDL/issues/5781
This commit is contained in:
Sam Lantinga 2022-09-16 09:16:18 -07:00
parent eb046958da
commit 172865ff13
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/hidapi/mac/hid.c
View File

@ -130,6 +130,7 @@ struct hid_device_list_node
static IOHIDManagerRef hid_mgr = 0x0;
static struct hid_device_list_node *device_list = 0x0;
static int hid_input_monitoring_denied = 0;
static hid_device *new_hid_device(void)
{
@ -521,7 +522,11 @@ struct hid_device_info HID_API_EXPORT *hid_enumerate(unsigned short vendor_id,
/* Set up the HID Manager if it hasn't been done */
if (hid_init() < 0)
return NULL;
/* If we don't have permission do open devices, don't enumerate them */
if (hid_input_monitoring_denied)
return NULL;
/* give the IOHIDManager a chance to update itself */
process_pending_events();
@ -862,6 +867,11 @@ hid_device * HID_API_EXPORT hid_open_path(const char *path, int bExclusive)
return dev;
}
else if (ret == kIOReturnNotPermitted) {
/* This application doesn't have input monitoring permissions */
hid_input_monitoring_denied = 1;
goto return_error;
}
else {
goto return_error;
}