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allow vendor and product id spoofing
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@Kethen
Kethen committed Sep 21, 2024
1 parent deace1b commit b27e422
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Showing 4 changed files with 38 additions and 22 deletions.
2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,8 @@ start driver on wheel:
[-u]
log effects
[-v]
spoof product and vendor id, in hex, eg. 1234:abcd, defaults to 0000:0000 for no spoofing
[-S 0000:0000]
```

### Usage Examples
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36 changes: 18 additions & 18 deletions driver_loops.c
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Expand Up @@ -105,10 +105,10 @@ static void uinput_g29_setup(int uinput_fd, struct loop_context *context){

struct uinput_setup usetup = {0};
usetup.id.bustype = BUS_USB;
usetup.id.vendor = USB_VENDOR_ID_LOGITECH;
usetup.id.product = USB_DEVICE_ID_LOGITECH_G29_WHEEL;
usetup.id.vendor = context->vendor_id == 0? USB_VENDOR_ID_LOGITECH: context->vendor_id;
usetup.id.product = context->product_id == 0? USB_DEVICE_ID_LOGITECH_G29_WHEEL: context->product_id;
usetup.ff_effects_max = LG4FF_MAX_EFFECTS;
strcpy(usetup.name, "userspace G29");
sprintf(usetup.name, "userspace G29 %04x:%04x", usetup.id.vendor, usetup.id.product);

ioctl(uinput_fd, UI_DEV_SETUP, &usetup);
ioctl(uinput_fd, UI_DEV_CREATE);
Expand Down Expand Up @@ -156,10 +156,10 @@ static void uinput_g27_setup(int uinput_fd, struct loop_context *context){

struct uinput_setup usetup = {0};
usetup.id.bustype = BUS_USB;
usetup.id.vendor = USB_VENDOR_ID_LOGITECH;
usetup.id.product = USB_DEVICE_ID_LOGITECH_G27_WHEEL;
usetup.id.vendor = context->vendor_id == 0? USB_VENDOR_ID_LOGITECH: context->vendor_id;
usetup.id.product = context->product_id == 0? USB_DEVICE_ID_LOGITECH_G27_WHEEL: context->product_id;
usetup.ff_effects_max = LG4FF_MAX_EFFECTS;
strcpy(usetup.name, "userspace G27");
sprintf(usetup.name, "userspace G27 %04x:%04x", usetup.id.vendor, usetup.id.product);

ioctl(uinput_fd, UI_DEV_SETUP, &usetup);
ioctl(uinput_fd, UI_DEV_CREATE);
Expand Down Expand Up @@ -207,10 +207,10 @@ static void uinput_g25_setup(int uinput_fd, struct loop_context *context){

struct uinput_setup usetup = {0};
usetup.id.bustype = BUS_USB;
usetup.id.vendor = USB_VENDOR_ID_LOGITECH;
usetup.id.product = USB_DEVICE_ID_LOGITECH_G25_WHEEL;
usetup.id.vendor = context->vendor_id == 0? USB_VENDOR_ID_LOGITECH: context->vendor_id;
usetup.id.product = context->product_id == 0? USB_DEVICE_ID_LOGITECH_G25_WHEEL: context->product_id;
usetup.ff_effects_max = LG4FF_MAX_EFFECTS;
strcpy(usetup.name, "userspace G25");
sprintf(usetup.name, "userspace G25 %04x:%04x", usetup.id.vendor, usetup.id.product);

ioctl(uinput_fd, UI_DEV_SETUP, &usetup);
ioctl(uinput_fd, UI_DEV_CREATE);
Expand Down Expand Up @@ -258,10 +258,10 @@ static void uinput_dfgt_setup(int uinput_fd, struct loop_context *context){

struct uinput_setup usetup = {0};
usetup.id.bustype = BUS_USB;
usetup.id.vendor = USB_VENDOR_ID_LOGITECH;
usetup.id.product = USB_DEVICE_ID_LOGITECH_DFGT_WHEEL;
usetup.id.vendor = context->vendor_id == 0? USB_VENDOR_ID_LOGITECH: context->vendor_id;
usetup.id.product = context->product_id == 0? USB_DEVICE_ID_LOGITECH_DFGT_WHEEL: context->product_id;
usetup.ff_effects_max = LG4FF_MAX_EFFECTS;
strcpy(usetup.name, "userspace Driving Force GT");
sprintf(usetup.name, "userspace Driving Force GT %04x:%04x", usetup.id.vendor, usetup.id.product);

ioctl(uinput_fd, UI_DEV_SETUP, &usetup);
ioctl(uinput_fd, UI_DEV_CREATE);
Expand Down Expand Up @@ -309,10 +309,10 @@ static void uinput_dfp_setup(int uinput_fd, struct loop_context *context){

struct uinput_setup usetup = {0};
usetup.id.bustype = BUS_USB;
usetup.id.vendor = USB_VENDOR_ID_LOGITECH;
usetup.id.product = USB_DEVICE_ID_LOGITECH_DFP_WHEEL;
usetup.id.vendor = context->vendor_id == 0? USB_VENDOR_ID_LOGITECH: context->vendor_id;
usetup.id.product = context->product_id == 0? USB_DEVICE_ID_LOGITECH_DFP_WHEEL: context->product_id;
usetup.ff_effects_max = LG4FF_MAX_EFFECTS;
strcpy(usetup.name, "userspace Driving Force Pro");
sprintf(usetup.name, "userspace Driving Force Pro %04x:%04x", usetup.id.vendor, usetup.id.product);

ioctl(uinput_fd, UI_DEV_SETUP, &usetup);
ioctl(uinput_fd, UI_DEV_CREATE);
Expand Down Expand Up @@ -360,10 +360,10 @@ static void uinput_dfex_setup(int uinput_fd, struct loop_context *context){

struct uinput_setup usetup = {0};
usetup.id.bustype = BUS_USB;
usetup.id.vendor = USB_VENDOR_ID_LOGITECH;
usetup.id.product = USB_DEVICE_ID_LOGITECH_WHEEL;
usetup.id.vendor = context->vendor_id == 0? USB_VENDOR_ID_LOGITECH: context->vendor_id;
usetup.id.product = context->product_id == 0? USB_DEVICE_ID_LOGITECH_WHEEL: context->product_id;
usetup.ff_effects_max = LG4FF_MAX_EFFECTS;
strcpy(usetup.name, "userspace Driving Force EX");
sprintf(usetup.name, "userspace Driving Force EX %04x:%04x", usetup.id.vendor, usetup.id.product);

ioctl(uinput_fd, UI_DEV_SETUP, &usetup);
ioctl(uinput_fd, UI_DEV_CREATE);
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2 changes: 2 additions & 0 deletions driver_loops.h
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Expand Up @@ -17,6 +17,8 @@ struct loop_context{
int combine_pedals;
bool play_on_upload;
bool log_effects;
int vendor_id;
int product_id;
};

void start_loops(struct loop_context context);
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20 changes: 16 additions & 4 deletions main.c
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Expand Up @@ -53,6 +53,8 @@ static void print_help(char *binary_name){
STDOUT(" [-u]\n");
STDOUT(" log effects\n");
STDOUT(" [-v]\n");
STDOUT(" spoof product and vendor id, in hex, eg. 1234:abcd, defaults to 0000:0000 for no spoofing\n");
STDOUT(" [-S 0000:0000]\n");
}

enum operation_mode{
Expand Down Expand Up @@ -114,7 +116,9 @@ static int start_driver(
bool hide_effects,
int combine_pedals,
bool play_on_upload,
bool log_effects
bool log_effects,
int vendor_id,
int product_id
){
list_devices(hidraw_devices, wheels);
STDOUT("starting driver on wheel %d\n", wheel_num);
Expand All @@ -128,6 +132,7 @@ static int start_driver(
STDOUT("combine pedals: %d\n", combine_pedals);
STDOUT("play effect on upload: %s\n", play_on_upload? "true" : "false");
STDOUT("log effects: %s\n", log_effects? "true" : "false");
STDOUT("spoof id: %04x:%04x\n", vendor_id, product_id);

struct loop_context lc = {
.device = hidraw_devices[wheel_num - 1],
Expand All @@ -140,7 +145,9 @@ static int start_driver(
.hide_effects = hide_effects,
.combine_pedals = combine_pedals,
.play_on_upload = play_on_upload,
.log_effects = log_effects
.log_effects = log_effects,
.vendor_id = vendor_id,
.product_id = product_id
};
start_loops(lc);

Expand Down Expand Up @@ -170,8 +177,10 @@ int main(int argc, char** argv){
int combine_pedals = 0;
bool play_on_upload = false;
bool log_effects = false;
int vendor_id = 0;
int product_id = 0;

while ((opt = getopt(argc, argv, "lhm:n:wg:a:s:d:f:r:Hc:uv")) != -1){
while ((opt = getopt(argc, argv, "lhm:n:wg:a:s:d:f:r:Hc:uvS:")) != -1){
#define CLAMP_ARG_VALUE(name, field, min, max){ \
if(field > max){ \
field = max; \
Expand Down Expand Up @@ -249,6 +258,9 @@ int main(int argc, char** argv){
case 'v':
log_effects = true;
break;
case 'S':
sscanf(optarg, "%llx:%llx", &vendor_id, &product_id);
break;
default:
print_help(argv[0]);
return 0;
Expand All @@ -274,7 +286,7 @@ int main(int argc, char** argv){
reboot_wheel(hidraw_devices, wheels_found, device_number, wmode);
return 0;
case OPERATION_MODE_DRIVER:
start_driver(hidraw_devices, wheels_found, device_number, gain, auto_center, spring_level, damper_level, friction_level, range, hide_effects, combine_pedals, play_on_upload, log_effects);
start_driver(hidraw_devices, wheels_found, device_number, gain, auto_center, spring_level, damper_level, friction_level, range, hide_effects, combine_pedals, play_on_upload, log_effects, vendor_id, product_id);
return 0;
default:
print_help(argv[0]);
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