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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
*/
package service
import (
"fmt"
"golang.org/x/sys/windows"
"syscall"
)
type Error uint32
const (
ErrorSuccess Error = iota
ErrorEventlogOpen
ErrorLoadConfiguration
ErrorCreateWintun
ErrorDetermineWintunName
ErrorUAPIListen
ErrorUAPISerialization
ErrorDeviceSetConfig
ErrorBindSocketsToDefaultRoutes
ErrorSetNetConfig
ErrorDetermineExecutablePath
ErrorFindAdministratorsSID
ErrorOpenNULFile
ErrorTrackTunnels
ErrorEnumerateSessions
ErrorWin32
)
func (e Error) Error() string {
switch e {
case ErrorSuccess:
return "No error."
case ErrorEventlogOpen:
return "Unable to open Windows event log."
case ErrorDetermineExecutablePath:
return "Unable to determine path of running executable."
case ErrorLoadConfiguration:
return "Unable to load configuration from path."
case ErrorCreateWintun:
return "Unable to create Wintun device."
case ErrorDetermineWintunName:
return "Unable to determine Wintun name."
case ErrorUAPIListen:
return "Unable to listen on named pipe."
case ErrorUAPISerialization:
return "Unable to serialize configuration into uapi form."
case ErrorDeviceSetConfig:
return "Unable to set device configuration."
case ErrorBindSocketsToDefaultRoutes:
return "Unable to bind sockets to default route."
case ErrorSetNetConfig:
return "Unable to set interface addresses, routes, dns, and/or adapter settings."
case ErrorFindAdministratorsSID:
return "Unable to find Administrators SID."
case ErrorOpenNULFile:
return "Unable to open NUL file."
case ErrorTrackTunnels:
return "Unable to track existing tunnels."
case ErrorEnumerateSessions:
return "Unable to enumerate current sessions."
case ErrorWin32:
return "An internal Windows error has occurred."
default:
return "An unknown error has occurred."
}
}
func determineErrorCode(err error, serviceError Error) (bool, uint32) {
if syserr, ok := err.(syscall.Errno); ok {
return false, uint32(syserr)
} else if serviceError != ErrorSuccess {
return true, uint32(serviceError)
} else {
return false, windows.NO_ERROR
}
}
func combineErrors(err error, serviceError Error) error {
if serviceError != ErrorSuccess {
if err != nil {
return fmt.Errorf("%v: %v", serviceError, err)
} else {
return serviceError
}
}
return err
}
const (
serviceDOES_NOT_EXIST uint32 = 0x00000424
serviceMARKED_FOR_DELETE uint32 = 0x00000430
)
|