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windows: improved serial number detection on composite USB devices

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This commit is contained in:
Cristian Maglie
2021-01-06 23:38:12 +00:00
parent 7183520fbb
commit 57ac200f98
2 changed files with 81 additions and 1 deletions
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29
enumerator/syscall_windows.go
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@@ -38,6 +38,7 @@ func errnoErr(e syscall.Errno) error {
var (
modsetupapi = windows.NewLazySystemDLL("setupapi.dll")
modcfgmgr32 = windows.NewLazySystemDLL("cfgmgr32.dll")
procSetupDiClassGuidsFromNameW = modsetupapi.NewProc("SetupDiClassGuidsFromNameW")
procSetupDiGetClassDevsW = modsetupapi.NewProc("SetupDiGetClassDevsW")
@@ -46,6 +47,10 @@ var (
procSetupDiGetDeviceInstanceIdW = modsetupapi.NewProc("SetupDiGetDeviceInstanceIdW")
procSetupDiOpenDevRegKey = modsetupapi.NewProc("SetupDiOpenDevRegKey")
procSetupDiGetDeviceRegistryPropertyW = modsetupapi.NewProc("SetupDiGetDeviceRegistryPropertyW")
procCM_Get_Parent = modcfgmgr32.NewProc("CM_Get_Parent")
procCM_Get_Device_ID_Size = modcfgmgr32.NewProc("CM_Get_Device_ID_Size")
procCM_Get_Device_IDW = modcfgmgr32.NewProc("CM_Get_Device_IDW")
procCM_MapCrToWin32Err = modcfgmgr32.NewProc("CM_MapCrToWin32Err")
)
func setupDiClassGuidsFromNameInternal(class string, guid *guid, guidSize uint32, requiredSize *uint32) (err error) {
@@ -136,3 +141,27 @@ func setupDiGetDeviceRegistryProperty(set devicesSet, devInfo *devInfoData, prop
res = r0 != 0
return
}
func cmGetParent(outParentDev *devInstance, dev devInstance, flags uint32) (cmErr cmError) {
r0, _, _ := syscall.Syscall(procCM_Get_Parent.Addr(), 3, uintptr(unsafe.Pointer(outParentDev)), uintptr(dev), uintptr(flags))
cmErr = cmError(r0)
return
}
func cmGetDeviceIDSize(outLen *uint32, dev devInstance, flags uint32) (cmErr cmError) {
r0, _, _ := syscall.Syscall(procCM_Get_Device_ID_Size.Addr(), 3, uintptr(unsafe.Pointer(outLen)), uintptr(dev), uintptr(flags))
cmErr = cmError(r0)
return
}
func cmGetDeviceID(dev devInstance, buffer unsafe.Pointer, bufferSize uint32, flags uint32) (err cmError) {
r0, _, _ := syscall.Syscall6(procCM_Get_Device_IDW.Addr(), 4, uintptr(dev), uintptr(buffer), uintptr(bufferSize), uintptr(flags), 0, 0)
err = cmError(r0)
return
}
func cmMapCrToWin32Err(cmErr cmError, defaultErr uint32) (err uint32) {
r0, _, _ := syscall.Syscall(procCM_MapCrToWin32Err.Addr(), 2, uintptr(cmErr), uintptr(defaultErr), 0)
err = uint32(r0)
return
}