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authorJason A. Donenfeld <Jason@zx2c4.com>2019-03-10 02:37:34 +0100
committerJason A. Donenfeld <Jason@zx2c4.com>2019-03-10 03:37:23 +0100
commitda563a6ec66113fee96dad3ebf440607320637c6 (patch)
treeac98e26149c9829900e84977569452a2a9274a56 /service/errors.go
parentinstaller: bring to foreground using shellexec process (diff)
downloadwireguard-windows-da563a6ec66113fee96dad3ebf440607320637c6.tar.xz
wireguard-windows-da563a6ec66113fee96dad3ebf440607320637c6.zip
service: keep track of proper errors
Diffstat (limited to 'service/errors.go')
-rw-r--r--service/errors.go103
1 files changed, 89 insertions, 14 deletions
diff --git a/service/errors.go b/service/errors.go
index 04cedb45..ea6147a9 100644
--- a/service/errors.go
+++ b/service/errors.go
@@ -5,19 +5,94 @@
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 (
- ERROR_LOG_CONTAINER_OPEN_FAILED uint32 = 0x000019F1
- ERROR_INVALID_PARAMETER uint32 = 0x00000057
- ERROR_OPEN_FAILED uint32 = 0x0000006E
- ERROR_ADAP_HDW_ERR uint32 = 0x00000039
- ERROR_PIPE_LISTENING uint32 = 0x00000218
- ERROR_BAD_LOGON_SESSION_STATE uint32 = 0x00000555
- ERROR_BAD_PATHNAME uint32 = 0x000000A1
- ERROR_FILE_NOT_FOUND uint32 = 0x00000002
- ERROR_SERVER_SID_MISMATCH uint32 = 0x00000274
- ERROR_NETWORK_BUSY uint32 = 0x00000036
- ERROR_NO_TRACKING_SERVICE uint32 = 0x00000494
- ERROR_OBJECT_ALREADY_EXISTS uint32 = 0x00001392
- ERROR_SERVICE_DOES_NOT_EXIST uint32 = 0x00000424
- ERROR_SERVICE_MARKED_FOR_DELETE uint32 = 0x00000430
+ serviceDOES_NOT_EXIST uint32 = 0x00000424
+ serviceMARKED_FOR_DELETE uint32 = 0x00000430
)