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path: root/version/wintrust/zsyscall_windows.go
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// Code generated by 'go generate'; DO NOT EDIT.

package wintrust

import (
	"syscall"
	"unsafe"

	"golang.org/x/sys/windows"
)

var _ unsafe.Pointer

// Do the interface allocations only once for common
// Errno values.
const (
	errnoERROR_IO_PENDING = 997
)

var (
	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
	errERROR_EINVAL     error = syscall.EINVAL
)

// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
	switch e {
	case 0:
		return errERROR_EINVAL
	case errnoERROR_IO_PENDING:
		return errERROR_IO_PENDING
	}
	// TODO: add more here, after collecting data on the common
	// error values see on Windows. (perhaps when running
	// all.bat?)
	return e
}

var (
	modcrypt32  = windows.NewLazySystemDLL("crypt32.dll")
	modwintrust = windows.NewLazySystemDLL("wintrust.dll")

	procCertFindExtension  = modcrypt32.NewProc("CertFindExtension")
	procCertGetNameStringW = modcrypt32.NewProc("CertGetNameStringW")
	procCryptDecodeObject  = modcrypt32.NewProc("CryptDecodeObject")
	procCryptQueryObject   = modcrypt32.NewProc("CryptQueryObject")
	procWinVerifyTrust     = modwintrust.NewProc("WinVerifyTrust")
)

func certFindExtension(objId *byte, countExtensions uint32, extensions *certExtension) (ret *certExtension) {
	r0, _, _ := syscall.Syscall(procCertFindExtension.Addr(), 3, uintptr(unsafe.Pointer(objId)), uintptr(countExtensions), uintptr(unsafe.Pointer(extensions)))
	ret = (*certExtension)(unsafe.Pointer(r0))
	return
}

func certGetNameString(certContext *windows.CertContext, nameType uint32, flags uint32, typePara unsafe.Pointer, name *uint16, size uint32) (chars uint32) {
	r0, _, _ := syscall.Syscall6(procCertGetNameStringW.Addr(), 6, uintptr(unsafe.Pointer(certContext)), uintptr(nameType), uintptr(flags), uintptr(typePara), uintptr(unsafe.Pointer(name)), uintptr(size))
	chars = uint32(r0)
	return
}

func cryptDecodeObject(encodingType uint32, structType *byte, encodedBytes *byte, lenEncodedBytes uint32, flags uint32, decoded unsafe.Pointer, decodedLen *uint32) (err error) {
	r1, _, e1 := syscall.Syscall9(procCryptDecodeObject.Addr(), 7, uintptr(encodingType), uintptr(unsafe.Pointer(structType)), uintptr(unsafe.Pointer(encodedBytes)), uintptr(lenEncodedBytes), uintptr(flags), uintptr(decoded), uintptr(unsafe.Pointer(decodedLen)), 0, 0)
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func cryptQueryObject(objectType uint32, object uintptr, expectedContentTypeFlags uint32, expectedFormatTypeFlags uint32, flags uint32, msgAndCertEncodingType *uint32, contentType *uint32, formatType *uint32, certStore *windows.Handle, msg *windows.Handle, context *uintptr) (err error) {
	r1, _, e1 := syscall.Syscall12(procCryptQueryObject.Addr(), 11, uintptr(objectType), uintptr(object), uintptr(expectedContentTypeFlags), uintptr(expectedFormatTypeFlags), uintptr(flags), uintptr(unsafe.Pointer(msgAndCertEncodingType)), uintptr(unsafe.Pointer(contentType)), uintptr(unsafe.Pointer(formatType)), uintptr(unsafe.Pointer(certStore)), uintptr(unsafe.Pointer(msg)), uintptr(unsafe.Pointer(context)), 0)
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func WinVerifyTrust(hWnd windows.Handle, actionId *windows.GUID, data *WinTrustData) (err error) {
	r1, _, e1 := syscall.Syscall(procWinVerifyTrust.Addr(), 3, uintptr(hWnd), uintptr(unsafe.Pointer(actionId)), uintptr(unsafe.Pointer(data)))
	if r1 != 0 {
		err = errnoErr(e1)
	}
	return
}