safing-portmaster/firewall/interception/windowskext/kext_request.go
2022-10-17 23:45:49 -07:00

50 lines
1.8 KiB
Go

//go:build windows
// +build windows
package windowskext
import "golang.org/x/sys/windows"
const (
METHOD_BUFFERED = 0
METHOD_IN_DIRECT = 1
METHOD_OUT_DIRECT = 2
METHOD_NEITHER = 3
SIOCTL_TYPE = 40000
)
var (
IOCTL_HELLO = ctl_code(SIOCTL_TYPE, 0x800, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
IOCTL_RECV_VERDICT_REQ_POLL = ctl_code(SIOCTL_TYPE, 0x801, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
IOCTL_RECV_VERDICT_REQ = ctl_code(SIOCTL_TYPE, 0x802, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
IOCTL_SET_VERDICT = ctl_code(SIOCTL_TYPE, 0x803, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
IOCTL_GET_PAYLOAD = ctl_code(SIOCTL_TYPE, 0x804, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
IOCTL_CLEAR_CACHE = ctl_code(SIOCTL_TYPE, 0x805, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
IOCTL_TEST = ctl_code(SIOCTL_TYPE, 0x806, METHOD_NEITHER, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
)
func ctl_code(device_type, function, method, access uint32) uint32 {
return (device_type << 16) | (access << 14) | (function << 2) | method
}
func deviceIoControl(code uint32, data *byte, size uintptr) (uint32, error) {
var bytesReturned uint32
err := windows.DeviceIoControl(kextHandle,
code,
nil, 0,
data, uint32(size),
&bytesReturned, nil)
return bytesReturned, err
}
func deviceIoControlBufferd(code uint32, inData *byte, inSize uintptr, outData *byte, outSize uintptr) (uint32, error) {
var bytesReturned uint32
err := windows.DeviceIoControl(kextHandle,
code,
inData, uint32(inSize),
outData, uint32(outSize),
&bytesReturned, nil)
return bytesReturned, err
}