func GetAUsableCert()

in pkg/internal/crypto/crypto_windows.go [86:110]

• 20 lines of code
• 3 McCabe index (conditional complexity)

func GetAUsableCert(handle syscall.Handle) (cert *syscall.CertContext, _ error) {
	var testCert *CertContext
	var prevCert *CertContext
	procCertEnumCertificatesInStore := Modcrypt32.NewProc("CertEnumCertificatesInStore")

	for {
		ret, _, _ := syscall.Syscall(
			procCertEnumCertificatesInStore.Addr(),
			2,
			uintptr(handle),
			uintptr(unsafe.Pointer(prevCert)),
			0)

		// Not that we don't handle ENotFound, since that's an error case for us (we couldn't find a cert)
		testCert = (*CertContext)(unsafe.Pointer(ret))
		usable := isAUsableCert(testCert)
		if usable {
			// We need a syscall.CertContext
			syscallContext := (*syscall.CertContext)(unsafe.Pointer(ret))
			return syscallContext, nil
		}

		prevCert = testCert
	}
}