1 // Copyright 2012 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
12 "golang.org/x/sys/windows"
13 "golang.org/x/sys/windows/registry"
18 Info = windows.EVENTLOG_INFORMATION_TYPE
19 Warning = windows.EVENTLOG_WARNING_TYPE
20 Error = windows.EVENTLOG_ERROR_TYPE
23 const addKeyName = `SYSTEM\CurrentControlSet\Services\EventLog\Application`
25 // Install modifies PC registry to allow logging with an event source src.
26 // It adds all required keys and values to the event log registry key.
27 // Install uses msgFile as the event message file. If useExpandKey is true,
28 // the event message file is installed as REG_EXPAND_SZ value,
29 // otherwise as REG_SZ. Use bitwise of log.Error, log.Warning and
30 // log.Info to specify events supported by the new event source.
31 func Install(src, msgFile string, useExpandKey bool, eventsSupported uint32) error {
32 appkey, err := registry.OpenKey(registry.LOCAL_MACHINE, addKeyName, registry.CREATE_SUB_KEY)
38 sk, alreadyExist, err := registry.CreateKey(appkey, src, registry.SET_VALUE)
44 return errors.New(addKeyName + `\` + src + " registry key already exists")
47 err = sk.SetDWordValue("CustomSource", 1)
52 err = sk.SetExpandStringValue("EventMessageFile", msgFile)
54 err = sk.SetStringValue("EventMessageFile", msgFile)
59 err = sk.SetDWordValue("TypesSupported", eventsSupported)
66 // InstallAsEventCreate is the same as Install, but uses
67 // %SystemRoot%\System32\EventCreate.exe as the event message file.
68 func InstallAsEventCreate(src string, eventsSupported uint32) error {
69 return Install(src, "%SystemRoot%\\System32\\EventCreate.exe", true, eventsSupported)
72 // Remove deletes all registry elements installed by the correspondent Install.
73 func Remove(src string) error {
74 appkey, err := registry.OpenKey(registry.LOCAL_MACHINE, addKeyName, registry.SET_VALUE)
79 return registry.DeleteKey(appkey, src)