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improved memory management in es3sec

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This commit is contained in:
Kevin Trocolli 2024-06-18 00:28:24 -04:00
parent 28ab4c6e37
commit 50fabf4ff2
1 changed files with 46 additions and 33 deletions
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79
platform/es3sec.c
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@ -16,16 +16,11 @@
static const wchar_t DEVNAME_HUB[] = L"$hub";
static const wchar_t DEVNAME_HUB_[] = L"\\\\.\\$hub";
static const wchar_t DEVNAME_DONGLE[] = L"$dongle";
static const wchar_t HUB_HCD_DRIVER_KEY[] = L"{36fc9e60-c465-11cf-8056-444553540000}\\0001";
// This is what a real dongle is set to
static const wchar_t HUB_NODE_CONNECTION_DRIVER_KEY[] = L"{c8b76578-d062-4834-0001-f8b6f2162a22}\\0003";
static const wchar_t root_hub_name[] = L"Fake Root Hub";
static const wchar_t FILLER_LANGIDS[] = L"\uffff\uffff";
static const DEVINST HUB_DEVINST = 573;
static const DEVINST DONGLE_DEVINST = 5730;
static struct es3sec_config config;
static HANDLE dongle_fd;
static HANDLE hub_fd;
static IID hubs_iid;
static DEVINST root_dev_inst;
@ -33,6 +28,7 @@ static USHORT dongle_vid;
static USHORT dongle_pid;
static wchar_t dongle_mftr[MAX_PATH];
static wchar_t dongle_product[MAX_PATH];
static wchar_t dongle_serial[13];
static HRESULT es3sec_handle_hub_irp(struct irp *irp);
static HRESULT es3sec_handle_hub_open(struct irp *irp);
@ -98,7 +94,6 @@ HRESULT es3sec_hook_init(
IIDFromString(L"{3ABF6F2D-71C4-462a-8A92-1E6861E6AF27}", &hubs_iid);
setupapi_add_phantom_dev(&hubs_iid, DEVNAME_HUB);
hr = iohook_open_nul_fd(&dongle_fd);
hr = iohook_open_nul_fd(&hub_fd);
if (FAILED(hr)) {
@ -119,15 +114,15 @@ HRESULT es3sec_hook_init(
dongle_vid = vid;
dongle_pid = pid;
wcscpy_s(dongle_mftr, _countof(dongle_mftr), manufacturer);
wcscpy_s(dongle_product, _countof(dongle_product), product); // Invalid param?
memcpy(&config, cfg, sizeof(*cfg));
wcscpy_s(dongle_product, _countof(dongle_product), product);
wcscpy_s(dongle_serial, _countof(dongle_serial), cfg->serial);
dprintf("ES3 Dongle: init\tVID: %04X | PID: %04X | Manufacturer: %ls | Product: %ls | S/N: %ls\n",
vid,
pid,
dongle_mftr,
dongle_product,
config.serial);
dongle_serial);
return S_OK;
}
@ -156,7 +151,7 @@ static HRESULT es3sec_handle_hub_irp(struct irp *irp)
static HRESULT es3sec_handle_hub_open(struct irp *irp)
{
if (!wstr_ieq(irp->open_filename, DEVNAME_HUB) && !wstr_ieq(irp->open_filename, DEVNAME_HUB_))
{
{ // That second condition has to be there, or we won't detect the game trying to open the hub a second time
return iohook_invoke_next(irp);
}
@ -239,6 +234,8 @@ static HRESULT es3sec_hub_handle_driverkey(struct irp *irp)
dprintf("ES3 Dongle: es3sec_hub_handle_driverkey iobuf_write failed! %lx\n", hr);
}
free(usb_hcd_driver_key_name);
return hr;
}
@ -278,24 +275,28 @@ static HRESULT es3sec_hub_handle_roothub(struct irp *irp)
hr = iobuf_write(&irp->read, rhub, sizeof(USB_ROOT_HUB_NAME) + size_of_hub_name);
if (FAILED(hr)) {
dprintf("ES3 Dongle: iobuf_write failed! %lx\n", hr);
dprintf("ES3 Dongle: es3sec_hub_handle_roothub iobuf_write failed! %lx\n", hr);
}
free(rhub);
return hr;
}
static HRESULT es3sec_hub_handle_nodeinfo(struct irp *irp)
{
USB_NODE_INFORMATION node_info;
node_info.NodeType = UsbHub;
node_info.u.HubInformation.HubDescriptor.bNumberOfPorts = 1;
HRESULT hr = iobuf_write(&irp->read, &node_info, sizeof(node_info));
PUSB_NODE_INFORMATION node_info = (PUSB_NODE_INFORMATION)malloc(sizeof(USB_NODE_INFORMATION));
node_info->NodeType = UsbHub;
node_info->u.HubInformation.HubDescriptor.bNumberOfPorts = 1;
HRESULT hr = iobuf_write(&irp->read, node_info, sizeof(*node_info));
if (FAILED(hr))
{
dprintf("ES3 Dongle: es3sec_hub_handle_nodeinfo iobuf_write failed! 0x%lX\n", hr);
}
free(node_info);
return hr;
}
@ -327,6 +328,8 @@ static HRESULT es3sec_hub_connection_info_ex(struct irp *irp)
dprintf("ES3 Dongle: es3sec_hub_connection_info_ex Failed to write IRP %lx\n", hr);
}
free(conn_info);
return hr;
}
@ -357,12 +360,6 @@ static HRESULT es3sec_hub_descriptor_from_node(struct irp *irp)
dprintf("ES3 Dongle: es3sec_hub_descriptor_from_node Unknown request type %x\n", req_type);
return HRESULT_FROM_WIN32(ERROR_INVALID_FUNCTION);
}
hr = iobuf_write(&irp->read, req, irp->read.nbytes);
if (FAILED(hr)) {
dprintf("ES3 Dongle: es3sec_hub_descriptor_from_node Failed to write IRP %lx\n", hr);
}
return hr;
}
static HRESULT es3sec_hub_get_config_descriptor(struct irp *irp, PUSB_DESCRIPTOR_REQUEST req, UCHAR dataRequested)
@ -372,28 +369,31 @@ static HRESULT es3sec_hub_get_config_descriptor(struct irp *irp, PUSB_DESCRIPTOR
PUSB_CONFIGURATION_DESCRIPTOR config = (PUSB_CONFIGURATION_DESCRIPTOR)malloc(sizeof(USB_CONFIGURATION_DESCRIPTOR));
config->bLength = sizeof(*config);
config->bDescriptorType = USB_CONFIGURATION_DESCRIPTOR_TYPE;
config->wTotalLength = sizeof(*req);
config->wTotalLength = sizeof(*config);
int cpy = memcpy_s(req->Data, 9, config, sizeof(*config));
if (cpy) {
dprintf("ES3 Dongle: es3sec_hub_get_config_descriptor memcpy_s failed %d\n", cpy);
}
return iobuf_write(&irp->read, req, irp->read.nbytes);
HRESULT hr = iobuf_write(&irp->read, req, sizeof(*req) + sizeof(*config));
free(config);
free(req);
return hr;
}
static HRESULT es3sec_hub_get_string_descriptor(struct irp *irp, PUSB_DESCRIPTOR_REQUEST req, UCHAR dataRequested)
{
PUSB_STRING_DESCRIPTOR str_desc;
int additional_length = sizeof(FILLER_LANGIDS);
str_desc = (PUSB_STRING_DESCRIPTOR)malloc(sizeof(USB_STRING_DESCRIPTOR) + additional_length);
str_desc->bDescriptorType = USB_STRING_DESCRIPTOR_TYPE;
wcscpy_s(str_desc->bString, _countof(FILLER_LANGIDS), FILLER_LANGIDS);
switch (dataRequested) {
case DONGLE_STR_IDX_MANUFACTURER:
dprintf("ES3 Dongle: Get Hub String Descriptor For Dongle Manufacturer\n");
additional_length = sizeof(dongle_mftr);
str_desc = (PUSB_STRING_DESCRIPTOR)realloc(str_desc, sizeof(USB_STRING_DESCRIPTOR) + additional_length);
str_desc = (PUSB_STRING_DESCRIPTOR)malloc(sizeof(USB_STRING_DESCRIPTOR) + additional_length);
str_desc->bDescriptorType = USB_STRING_DESCRIPTOR_TYPE;
wcscpy_s(str_desc->bString, _countof(dongle_mftr), dongle_mftr);
break;
@ -401,7 +401,7 @@ static HRESULT es3sec_hub_get_string_descriptor(struct irp *irp, PUSB_DESCRIPTOR
case DONGLE_STR_IDX_PRODUCT:
dprintf("ES3 Dongle: Get Hub String Descriptor For Dongle Product Name\n");
additional_length = sizeof(dongle_product);
str_desc = (PUSB_STRING_DESCRIPTOR)realloc(str_desc, sizeof(USB_STRING_DESCRIPTOR) + additional_length);
str_desc = (PUSB_STRING_DESCRIPTOR)malloc(sizeof(USB_STRING_DESCRIPTOR) + additional_length);
str_desc->bDescriptorType = USB_STRING_DESCRIPTOR_TYPE;
wcscpy_s(str_desc->bString, _countof(dongle_product), dongle_product);
break;
@ -409,10 +409,15 @@ static HRESULT es3sec_hub_get_string_descriptor(struct irp *irp, PUSB_DESCRIPTOR
case DONGLE_STR_IDX_SERIAL_NUMBER:
dprintf("ES3 Dongle: Get Hub String Descriptor For Dongle Serial Number\n");
additional_length = sizeof(L"000000000000");
str_desc = (PUSB_STRING_DESCRIPTOR)realloc(str_desc, sizeof(USB_STRING_DESCRIPTOR) + additional_length);
str_desc = (PUSB_STRING_DESCRIPTOR)malloc(sizeof(USB_STRING_DESCRIPTOR) + additional_length);
str_desc->bDescriptorType = USB_STRING_DESCRIPTOR_TYPE;
wcscpy_s(str_desc->bString, _countof(config.serial), config.serial);
wcscpy_s(str_desc->bString, _countof(dongle_serial), dongle_serial);
break;
default:
str_desc = (PUSB_STRING_DESCRIPTOR)malloc(sizeof(USB_STRING_DESCRIPTOR) + additional_length);
str_desc->bDescriptorType = USB_STRING_DESCRIPTOR_TYPE;
wcscpy_s(str_desc->bString, _countof(FILLER_LANGIDS), FILLER_LANGIDS);
}
str_desc->bLength = sizeof(USB_STRING_DESCRIPTOR) + additional_length;
@ -422,7 +427,13 @@ static HRESULT es3sec_hub_get_string_descriptor(struct irp *irp, PUSB_DESCRIPTOR
if (cpy) {
dprintf("ES3 Dongle: es3sec_hub_get_config_descriptor memcpy_s failed %d\n", cpy);
}
return iobuf_write(&irp->read, resp, sizeof(USB_DESCRIPTOR_REQUEST) + sizeof(USB_STRING_DESCRIPTOR) + additional_length);
HRESULT hr = iobuf_write(&irp->read, resp, sizeof(USB_DESCRIPTOR_REQUEST) + sizeof(USB_STRING_DESCRIPTOR) + additional_length);
free(str_desc);
free(resp);
free(req);
return hr;
}
static HRESULT es3sec_hub_connection_driver_key_name(struct irp *irp)
@ -440,7 +451,7 @@ static HRESULT es3sec_hub_connection_driver_key_name(struct irp *irp)
if (FAILED(hr))
{
dprintf("ES3 Dongle: iobuf_write failed! %lx\n", hr);
dprintf("ES3 Dongle: es3sec_hub_connection_driver_key_name iobuf_write failed! %lx\n", hr);
}
return hr;
@ -467,9 +478,11 @@ static HRESULT es3sec_hub_connection_driver_key_name(struct irp *irp)
if (FAILED(hr))
{
dprintf("ES3 Dongle: iobuf_write failed! %lx\n", hr);
dprintf("ES3 Dongle: es3sec_hub_connection_driver_key_name iobuf_write failed! %lx\n", hr);
}
free(usb_node_conn_driver_key_name);
return hr;
}