Alex Brainman uploaded a change:
https://go-review.googlesource.com/9104
windows/svc: add new package to help create and manage Windows services
Change-Id: I58bb446aaa387b31d8a9ff4217793a170b96a7e2
---
A windows/eventlog.go
M windows/security_windows.go
A windows/service.go
A windows/svc/debug/log.go
A windows/svc/debug/service.go
A windows/svc/event.go
A windows/svc/eventlog/install.go
A windows/svc/eventlog/log.go
A windows/svc/eventlog/log_test.go
A windows/svc/example/beep.go
A windows/svc/example/install.go
A windows/svc/example/main.go
A windows/svc/example/manage.go
A windows/svc/example/service.go
A windows/svc/go12.c
A windows/svc/go12.go
A windows/svc/go13.go
A windows/svc/mgr/config.go
A windows/svc/mgr/mgr.go
A windows/svc/mgr/mgr_test.go
A windows/svc/mgr/service.go
A windows/svc/security.go
A windows/svc/service.go
A windows/svc/svc_test.go
A windows/svc/sys_386.s
A windows/svc/sys_amd64.s
M windows/syscall_windows.go
M windows/zsyscall_windows.go
M windows/ztypes_windows.go
29 files changed, 2,362 insertions(+), 23 deletions(-)
diff --git a/windows/eventlog.go b/windows/eventlog.go
new file mode 100644
index 0000000..40af946
--- /dev/null
+++ b/windows/eventlog.go
@@ -0,0 +1,20 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package windows
+
+const (
+ EVENTLOG_SUCCESS = 0
+ EVENTLOG_ERROR_TYPE = 1
+ EVENTLOG_WARNING_TYPE = 2
+ EVENTLOG_INFORMATION_TYPE = 4
+ EVENTLOG_AUDIT_SUCCESS = 8
+ EVENTLOG_AUDIT_FAILURE = 16
+)
+
+//sys RegisterEventSource(uncServerName *uint16, sourceName *uint16)
(handle Handle, err error) [failretval==0] = advapi32.RegisterEventSourceW
+//sys DeregisterEventSource(handle Handle) (err error) =
advapi32.DeregisterEventSource
+//sys ReportEvent(log Handle, etype uint16, category uint16, eventId
uint32, usrSId uintptr, numStrings uint16, dataSize uint32, strings
**uint16, rawData *byte) (err error) = advapi32.ReportEventW
diff --git a/windows/security_windows.go b/windows/security_windows.go
index 8fe3737..ca09bdd 100644
--- a/windows/security_windows.go
+++ b/windows/security_windows.go
@@ -91,12 +91,56 @@
SidTypeLabel
)
+type SidIdentifierAuthority struct {
+ Value [6]byte
+}
+
+var (
+ SECURITY_NULL_SID_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0,
0, 0, 0, 0}}
+ SECURITY_WORLD_SID_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0,
0, 0, 0, 1}}
+ SECURITY_LOCAL_SID_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0,
0, 0, 0, 2}}
+ SECURITY_CREATOR_SID_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0,
0, 0, 0, 3}}
+ SECURITY_NON_UNIQUE_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0,
0, 0, 0, 4}}
+ SECURITY_NT_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0,
0, 0, 0, 5}}
+ SECURITY_MANDATORY_LABEL_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0,
0, 0, 0, 16}}
+)
+
+const (
+ SECURITY_NULL_RID = 0
+ SECURITY_WORLD_RID = 0
+ SECURITY_LOCAL_RID = 0
+ SECURITY_CREATOR_OWNER_RID = 0
+ SECURITY_CREATOR_GROUP_RID = 1
+ SECURITY_DIALUP_RID = 1
+ SECURITY_NETWORK_RID = 2
+ SECURITY_BATCH_RID = 3
+ SECURITY_INTERACTIVE_RID = 4
+ SECURITY_LOGON_IDS_RID = 5
+ SECURITY_SERVICE_RID = 6
+ SECURITY_LOCAL_SYSTEM_RID = 18
+ SECURITY_BUILTIN_DOMAIN_RID = 32
+ SECURITY_PRINCIPAL_SELF_RID = 10
+ SECURITY_CREATOR_OWNER_SERVER_RID = 0x2
+ SECURITY_CREATOR_GROUP_SERVER_RID = 0x3
+ SECURITY_LOGON_IDS_RID_COUNT = 0x3
+ SECURITY_ANONYMOUS_LOGON_RID = 0x7
+ SECURITY_PROXY_RID = 0x8
+ SECURITY_ENTERPRISE_CONTROLLERS_RID = 0x9
+ SECURITY_SERVER_LOGON_RID = SECURITY_ENTERPRISE_CONTROLLERS_RID
+ SECURITY_AUTHENTICATED_USER_RID = 0xb
+ SECURITY_RESTRICTED_CODE_RID = 0xc
+ SECURITY_NT_NON_UNIQUE_RID = 0x15
+)
+
//sys LookupAccountSid(systemName *uint16, sid *SID, name *uint16, nameLen
*uint32, refdDomainName *uint16, refdDomainNameLen *uint32, use *uint32)
(err error) = advapi32.LookupAccountSidW
//sys LookupAccountName(systemName *uint16, accountName *uint16, sid *SID,
sidLen *uint32, refdDomainName *uint16, refdDomainNameLen *uint32, use
*uint32) (err error) = advapi32.LookupAccountNameW
//sys ConvertSidToStringSid(sid *SID, stringSid **uint16) (err error) =
advapi32.ConvertSidToStringSidW
//sys ConvertStringSidToSid(stringSid *uint16, sid **SID) (err error) =
advapi32.ConvertStringSidToSidW
//sys GetLengthSid(sid *SID) (len uint32) = advapi32.GetLengthSid
//sys CopySid(destSidLen uint32, destSid *SID, srcSid *SID) (err error) =
advapi32.CopySid
+//sys AllocateAndInitializeSid(identAuth *SidIdentifierAuthority, subAuth
byte, subAuth0 uint32, subAuth1 uint32, subAuth2 uint32, subAuth3 uint32,
subAuth4 uint32, subAuth5 uint32, subAuth6 uint32, subAuth7 uint32, sid
**SID) (err error) = advapi32.AllocateAndInitializeSid
+//sys FreeSid(sid *SID) (err error) [failretval!=0] = advapi32.FreeSid
+//sys EqualSid(sid1 *SID, sid2 *SID) (isEqual bool) = advapi32.EqualSid
// The security identifier (SID) structure is a variable-length
// structure used to uniquely identify users or groups.
@@ -286,6 +330,11 @@
PrimaryGroup *SID
}
+type Tokengroups struct {
+ GroupCount uint32
+ Groups [1]SIDAndAttributes
+}
+
//sys OpenProcessToken(h Handle, access uint32, token *Token) (err error)
= advapi32.OpenProcessToken
//sys GetTokenInformation(t Token, infoClass uint32, info *byte, infoLen
uint32, returnedLen *uint32) (err error) = advapi32.GetTokenInformation
//sys GetUserProfileDirectory(t Token, dir *uint16, dirLen *uint32) (err
error) = userenv.GetUserProfileDirectoryW
@@ -346,6 +395,15 @@
return (*Tokenuser)(i), nil
}
+// GetTokenGroups retrieves group accounts associated with access token t.
+func (t Token) GetTokenGroups() (*Tokengroups, error) {
+ i, e := t.getInfo(TokenGroups, 50)
+ if e != nil {
+ return nil, e
+ }
+ return (*Tokengroups)(i), nil
+}
+
// GetTokenPrimaryGroup retrieves access token t primary group information.
// A pointer to a SID structure representing a group that will become
// the primary group of any objects created by a process using this access
token.
diff --git a/windows/service.go b/windows/service.go
new file mode 100644
index 0000000..1c11d39
--- /dev/null
+++ b/windows/service.go
@@ -0,0 +1,143 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package windows
+
+const (
+ SC_MANAGER_CONNECT = 1
+ SC_MANAGER_CREATE_SERVICE = 2
+ SC_MANAGER_ENUMERATE_SERVICE = 4
+ SC_MANAGER_LOCK = 8
+ SC_MANAGER_QUERY_LOCK_STATUS = 16
+ SC_MANAGER_MODIFY_BOOT_CONFIG = 32
+ SC_MANAGER_ALL_ACCESS = 0xf003f
+)
+
+//sys OpenSCManager(machineName *uint16, databaseName *uint16, access
uint32) (handle Handle, err error) [failretval==0] = advapi32.OpenSCManagerW
+
+const (
+ SERVICE_KERNEL_DRIVER = 1
+ SERVICE_FILE_SYSTEM_DRIVER = 2
+ SERVICE_ADAPTER = 4
+ SERVICE_RECOGNIZER_DRIVER = 8
+ SERVICE_WIN32_OWN_PROCESS = 16
+ SERVICE_WIN32_SHARE_PROCESS = 32
+ SERVICE_WIN32 = SERVICE_WIN32_OWN_PROCESS |
SERVICE_WIN32_SHARE_PROCESS
+ SERVICE_INTERACTIVE_PROCESS = 256
+ SERVICE_DRIVER = SERVICE_KERNEL_DRIVER |
SERVICE_FILE_SYSTEM_DRIVER | SERVICE_RECOGNIZER_DRIVER
+ SERVICE_TYPE_ALL = SERVICE_WIN32 | SERVICE_ADAPTER |
SERVICE_DRIVER | SERVICE_INTERACTIVE_PROCESS
+
+ SERVICE_BOOT_START = 0
+ SERVICE_SYSTEM_START = 1
+ SERVICE_AUTO_START = 2
+ SERVICE_DEMAND_START = 3
+ SERVICE_DISABLED = 4
+
+ SERVICE_ERROR_IGNORE = 0
+ SERVICE_ERROR_NORMAL = 1
+ SERVICE_ERROR_SEVERE = 2
+ SERVICE_ERROR_CRITICAL = 3
+
+ SC_STATUS_PROCESS_INFO = 0
+
+ SERVICE_STOPPED = 1
+ SERVICE_START_PENDING = 2
+ SERVICE_STOP_PENDING = 3
+ SERVICE_RUNNING = 4
+ SERVICE_CONTINUE_PENDING = 5
+ SERVICE_PAUSE_PENDING = 6
+ SERVICE_PAUSED = 7
+ SERVICE_NO_CHANGE = 0xffffffff
+
+ SERVICE_ACCEPT_STOP = 1
+ SERVICE_ACCEPT_PAUSE_CONTINUE = 2
+ SERVICE_ACCEPT_SHUTDOWN = 4
+ SERVICE_ACCEPT_PARAMCHANGE = 8
+ SERVICE_ACCEPT_NETBINDCHANGE = 16
+ SERVICE_ACCEPT_HARDWAREPROFILECHANGE = 32
+ SERVICE_ACCEPT_POWEREVENT = 64
+ SERVICE_ACCEPT_SESSIONCHANGE = 128
+
+ SERVICE_CONTROL_STOP = 1
+ SERVICE_CONTROL_PAUSE = 2
+ SERVICE_CONTROL_CONTINUE = 3
+ SERVICE_CONTROL_INTERROGATE = 4
+ SERVICE_CONTROL_SHUTDOWN = 5
+ SERVICE_CONTROL_PARAMCHANGE = 6
+ SERVICE_CONTROL_NETBINDADD = 7
+ SERVICE_CONTROL_NETBINDREMOVE = 8
+ SERVICE_CONTROL_NETBINDENABLE = 9
+ SERVICE_CONTROL_NETBINDDISABLE = 10
+ SERVICE_CONTROL_DEVICEEVENT = 11
+ SERVICE_CONTROL_HARDWAREPROFILECHANGE = 12
+ SERVICE_CONTROL_POWEREVENT = 13
+ SERVICE_CONTROL_SESSIONCHANGE = 14
+
+ SERVICE_ACTIVE = 1
+ SERVICE_INACTIVE = 2
+ SERVICE_STATE_ALL = 3
+
+ SERVICE_QUERY_CONFIG = 1
+ SERVICE_CHANGE_CONFIG = 2
+ SERVICE_QUERY_STATUS = 4
+ SERVICE_ENUMERATE_DEPENDENTS = 8
+ SERVICE_START = 16
+ SERVICE_STOP = 32
+ SERVICE_PAUSE_CONTINUE = 64
+ SERVICE_INTERROGATE = 128
+ SERVICE_USER_DEFINED_CONTROL = 256
+ SERVICE_ALL_ACCESS = STANDARD_RIGHTS_REQUIRED |
SERVICE_QUERY_CONFIG | SERVICE_CHANGE_CONFIG | SERVICE_QUERY_STATUS |
SERVICE_ENUMERATE_DEPENDENTS | SERVICE_START | SERVICE_STOP |
SERVICE_PAUSE_CONTINUE | SERVICE_INTERROGATE | SERVICE_USER_DEFINED_CONTROL
+ SERVICE_RUNS_IN_SYSTEM_PROCESS = 1
+ SERVICE_CONFIG_DESCRIPTION = 1
+ SERVICE_CONFIG_FAILURE_ACTIONS = 2
+
+ NO_ERROR = 0
+)
+
+type SERVICE_STATUS struct {
+ ServiceType uint32
+ CurrentState uint32
+ ControlsAccepted uint32
+ Win32ExitCode uint32
+ ServiceSpecificExitCode uint32
+ CheckPoint uint32
+ WaitHint uint32
+}
+
+type SERVICE_TABLE_ENTRY struct {
+ ServiceName *uint16
+ ServiceProc uintptr
+}
+
+type QUERY_SERVICE_CONFIG struct {
+ ServiceType uint32
+ StartType uint32
+ ErrorControl uint32
+ BinaryPathName *uint16
+ LoadOrderGroup *uint16
+ TagId uint32
+ Dependencies *uint16
+ ServiceStartName *uint16
+ DisplayName *uint16
+}
+
+type SERVICE_DESCRIPTION struct {
+ Description *uint16
+}
+
+//sys CloseServiceHandle(handle Handle) (err error) =
advapi32.CloseServiceHandle
+//sys CreateService(mgr Handle, serviceName *uint16, displayName *uint16,
access uint32, srvType uint32, startType uint32, errCtl uint32, pathName
*uint16, loadOrderGroup *uint16, tagId *uint32, dependencies *uint16,
serviceStartName *uint16, password *uint16) (handle Handle, err error)
[failretval==0] = advapi32.CreateServiceW
+//sys OpenService(mgr Handle, serviceName *uint16, access uint32) (handle
Handle, err error) [failretval==0] = advapi32.OpenServiceW
+//sys DeleteService(service Handle) (err error) = advapi32.DeleteService
+//sys StartService(service Handle, numArgs uint32, argVectors **uint16)
(err error) = advapi32.StartServiceW
+//sys QueryServiceStatus(service Handle, status *SERVICE_STATUS) (err
error) = advapi32.QueryServiceStatus
+//sys ControlService(service Handle, control uint32, status
*SERVICE_STATUS) (err error) = advapi32.ControlService
+//sys StartServiceCtrlDispatcher(serviceTable *SERVICE_TABLE_ENTRY) (err
error) = advapi32.StartServiceCtrlDispatcherW
+//sys SetServiceStatus(service Handle, serviceStatus *SERVICE_STATUS) (err
error) = advapi32.SetServiceStatus
+//sys ChangeServiceConfig(service Handle, serviceType uint32, startType
uint32, errorControl uint32, binaryPathName *uint16, loadOrderGroup
*uint16, tagId *uint32, dependencies *uint16, serviceStartName *uint16,
password *uint16, displayName *uint16) (err error) =
advapi32.ChangeServiceConfigW
+//sys QueryServiceConfig(service Handle, serviceConfig
*QUERY_SERVICE_CONFIG, bufSize uint32, bytesNeeded *uint32) (err error) =
advapi32.QueryServiceConfigW
+//sys ChangeServiceConfig2(service Handle, infoLevel uint32, info *byte)
(err error) = advapi32.ChangeServiceConfig2W
+//sys QueryServiceConfig2(service Handle, infoLevel uint32, buff *byte,
buffSize uint32, bytesNeeded *uint32) (err error) =
advapi32.QueryServiceConfig2W
diff --git a/windows/svc/debug/log.go b/windows/svc/debug/log.go
new file mode 100644
index 0000000..e51ab42
--- /dev/null
+++ b/windows/svc/debug/log.go
@@ -0,0 +1,56 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package debug
+
+import (
+ "os"
+ "strconv"
+)
+
+// Log interface allows different log implementations to be used.
+type Log interface {
+ Close() error
+ Info(eid uint32, msg string) error
+ Warning(eid uint32, msg string) error
+ Error(eid uint32, msg string) error
+}
+
+// ConsoleLog provides access to the console.
+type ConsoleLog struct {
+ Name string
+}
+
+// New creates new ConsoleLog.
+func New(source string) *ConsoleLog {
+ return &ConsoleLog{Name: source}
+}
+
+// Close closes console log l.
+func (l *ConsoleLog) Close() error {
+ return nil
+}
+
+func (l *ConsoleLog) report(kind string, eid uint32, msg string) error {
+ s := l.Name + "." + kind + "(" + strconv.Itoa(int(eid)) + "): " + msg
+ "\n"
+ _, err := os.Stdout.Write([]byte(s))
+ return err
+}
+
+// Info writes an information event msg with event id eid to the console l.
+func (l *ConsoleLog) Info(eid uint32, msg string) error {
+ return l.report("info", eid, msg)
+}
+
+// Warning writes an warning event msg with event id eid to the console l.
+func (l *ConsoleLog) Warning(eid uint32, msg string) error {
+ return l.report("warn", eid, msg)
+}
+
+// Error writes an error event msg with event id eid to the console l.
+func (l *ConsoleLog) Error(eid uint32, msg string) error {
+ return l.report("error", eid, msg)
+}
diff --git a/windows/svc/debug/service.go b/windows/svc/debug/service.go
new file mode 100644
index 0000000..d5ab94b
--- /dev/null
+++ b/windows/svc/debug/service.go
@@ -0,0 +1,45 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+// Package debug provides facilities to execute svc.Handler on console.
+//
+package debug
+
+import (
+ "os"
+ "os/signal"
+ "syscall"
+
+ "
golang.org/x/sys/windows/svc"
+)
+
+// Run executes service name by calling appropriate handler function.
+// The process is running on console, unlike real service. Use Ctrl+C to
+// send "Stop" command to your service.
+func Run(name string, handler svc.Handler) error {
+ cmds := make(chan svc.ChangeRequest)
+ changes := make(chan svc.Status)
+
+ sig := make(chan os.Signal)
+ signal.Notify(sig)
+
+ go func() {
+ status := svc.Status{State: svc.Stopped}
+ for {
+ select {
+ case <-sig:
+ cmds <- svc.ChangeRequest{svc.Stop, status}
+ case status = <-changes:
+ }
+ }
+ }()
+
+ _, errno := handler.Execute([]string{name}, cmds, changes)
+ if errno != 0 {
+ return syscall.Errno(errno)
+ }
+ return nil
+}
diff --git a/windows/svc/event.go b/windows/svc/event.go
new file mode 100644
index 0000000..0508e22
--- /dev/null
+++ b/windows/svc/event.go
@@ -0,0 +1,48 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package svc
+
+import (
+ "errors"
+
+ "
golang.org/x/sys/windows"
+)
+
+// event represents auto-reset, initially non-signaled Windows event.
+// It is used to communicate between go and asm parts of this package.
+type event struct {
+ h windows.Handle
+}
+
+func newEvent() (*event, error) {
+ h, err := windows.CreateEvent(nil, 0, 0, nil)
+ if err != nil {
+ return nil, err
+ }
+ return &event{h: h}, nil
+}
+
+func (e *event) Close() error {
+ return windows.CloseHandle(e.h)
+}
+
+func (e *event) Set() error {
+ return windows.SetEvent(e.h)
+}
+
+func (e *event) Wait() error {
+ s, err := windows.WaitForSingleObject(e.h, windows.INFINITE)
+ switch s {
+ case windows.WAIT_OBJECT_0:
+ break
+ case windows.WAIT_FAILED:
+ return err
+ default:
+ return errors.New("unexpected result from WaitForSingleObject")
+ }
+ return nil
+}
diff --git a/windows/svc/eventlog/install.go
b/windows/svc/eventlog/install.go
new file mode 100644
index 0000000..c76a376
--- /dev/null
+++ b/windows/svc/eventlog/install.go
@@ -0,0 +1,80 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package eventlog
+
+import (
+ "errors"
+
+ "
golang.org/x/sys/windows"
+ "
golang.org/x/sys/windows/registry"
+)
+
+const (
+ // Log levels.
+ Info = windows.EVENTLOG_INFORMATION_TYPE
+ Warning = windows.EVENTLOG_WARNING_TYPE
+ Error = windows.EVENTLOG_ERROR_TYPE
+)
+
+const addKeyName = `SYSTEM\CurrentControlSet\Services\EventLog\Application`
+
+// Install modifies PC registry to allow logging with an event source src.
+// It adds all required keys and values to the event log registry key.
+// Install uses msgFile as the event message file. If useExpandKey is true,
+// the event message file is installed as REG_EXPAND_SZ value,
+// otherwise as REG_SZ. Use bitwise of log.Error, log.Warning and
+// log.Info to specify events supported by the new event source.
+func Install(src, msgFile string, useExpandKey bool, eventsSupported
uint32) error {
+ appkey, err := registry.OpenKey(registry.LOCAL_MACHINE, addKeyName,
registry.CREATE_SUB_KEY)
+ if err != nil {
+ return err
+ }
+ defer appkey.Close()
+
+ sk, alreadyExist, err := registry.CreateKey(appkey, src,
registry.SET_VALUE)
+ if err != nil {
+ return err
+ }
+ defer sk.Close()
+ if alreadyExist {
+ return errors.New(addKeyName + `\` + src + " registry key already
exists")
+ }
+
+ err = sk.SetDWordValue("CustomSource", 1)
+ if err != nil {
+ return err
+ }
+ if useExpandKey {
+ err = sk.SetExpandStringValue("EventMessageFile", msgFile)
+ } else {
+ err = sk.SetStringValue("EventMessageFile", msgFile)
+ }
+ if err != nil {
+ return err
+ }
+ err = sk.SetDWordValue("TypesSupported", eventsSupported)
+ if err != nil {
+ return err
+ }
+ return nil
+}
+
+// InstallAsEventCreate is the same as Install, but uses
+// %SystemRoot%\System32\EventCreate.exe as the event message file.
+func InstallAsEventCreate(src string, eventsSupported uint32) error {
+ return Install(src, "%SystemRoot%\\System32\\EventCreate.exe", true,
eventsSupported)
+}
+
+// Remove deletes all registry elements installed by the correspondent
Install.
+func Remove(src string) error {
+ appkey, err := registry.OpenKey(registry.LOCAL_MACHINE, addKeyName,
registry.SET_VALUE)
+ if err != nil {
+ return err
+ }
+ defer appkey.Close()
+ return registry.DeleteKey(appkey, src)
+}
diff --git a/windows/svc/eventlog/log.go b/windows/svc/eventlog/log.go
new file mode 100644
index 0000000..46e5153
--- /dev/null
+++ b/windows/svc/eventlog/log.go
@@ -0,0 +1,70 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+// Package eventlog implements access to Windows event log.
+//
+package eventlog
+
+import (
+ "errors"
+ "syscall"
+
+ "
golang.org/x/sys/windows"
+)
+
+// Log provides access to the system log.
+type Log struct {
+ Handle windows.Handle
+}
+
+// Open retrieves a handle to the specified event log.
+func Open(source string) (*Log, error) {
+ return OpenRemote("", source)
+}
+
+// OpenRemote does the same as Open, but on different computer host.
+func OpenRemote(host, source string) (*Log, error) {
+ if source == "" {
+ return nil, errors.New("Specify event log source")
+ }
+ var s *uint16
+ if host != "" {
+ s = syscall.StringToUTF16Ptr(host)
+ }
+ h, err := windows.RegisterEventSource(s, syscall.StringToUTF16Ptr(source))
+ if err != nil {
+ return nil, err
+ }
+ return &Log{Handle: h}, nil
+}
+
+// Close closes event log l.
+func (l *Log) Close() error {
+ return windows.DeregisterEventSource(l.Handle)
+}
+
+func (l *Log) report(etype uint16, eid uint32, msg string) error {
+ ss := []*uint16{syscall.StringToUTF16Ptr(msg)}
+ return windows.ReportEvent(l.Handle, etype, 0, eid, 0, 1, 0, &ss[0], nil)
+}
+
+// Info writes an information event msg with event id eid to the end of
event log l.
+// When EventCreate.exe is used, eid must be between 1 and 1000.
+func (l *Log) Info(eid uint32, msg string) error {
+ return l.report(windows.EVENTLOG_INFORMATION_TYPE, eid, msg)
+}
+
+// Warning writes an warning event msg with event id eid to the end of
event log l.
+// When EventCreate.exe is used, eid must be between 1 and 1000.
+func (l *Log) Warning(eid uint32, msg string) error {
+ return l.report(windows.EVENTLOG_WARNING_TYPE, eid, msg)
+}
+
+// Error writes an error event msg with event id eid to the end of event
log l.
+// When EventCreate.exe is used, eid must be between 1 and 1000.
+func (l *Log) Error(eid uint32, msg string) error {
+ return l.report(windows.EVENTLOG_ERROR_TYPE, eid, msg)
+}
diff --git a/windows/svc/eventlog/log_test.go
b/windows/svc/eventlog/log_test.go
new file mode 100644
index 0000000..4dd8ad9
--- /dev/null
+++ b/windows/svc/eventlog/log_test.go
@@ -0,0 +1,51 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package eventlog_test
+
+import (
+ "testing"
+
+ "
golang.org/x/sys/windows/svc/eventlog"
+)
+
+func TestLog(t *testing.T) {
+ if testing.Short() {
+ t.Skip("skipping test in short mode - it modifies system logs")
+ }
+
+ const name = "mylog"
+ const supports = eventlog.Error | eventlog.Warning | eventlog.Info
+ err := eventlog.InstallAsEventCreate(name, supports)
+ if err != nil {
+ t.Fatalf("Install failed: %s", err)
+ }
+ defer func() {
+ err = eventlog.Remove(name)
+ if err != nil {
+ t.Fatalf("Remove failed: %s", err)
+ }
+ }()
+
+ l, err := eventlog.Open(name)
+ if err != nil {
+ t.Fatalf("Open failed: %s", err)
+ }
+ defer l.Close()
+
+ err = l.Info(1, "info")
+ if err != nil {
+ t.Fatalf("Info failed: %s", err)
+ }
+ err = l.Warning(2, "warning")
+ if err != nil {
+ t.Fatalf("Warning failed: %s", err)
+ }
+ err = l.Error(3, "error")
+ if err != nil {
+ t.Fatalf("Error failed: %s", err)
+ }
+}
diff --git a/windows/svc/example/beep.go b/windows/svc/example/beep.go
new file mode 100644
index 0000000..dcf2340
--- /dev/null
+++ b/windows/svc/example/beep.go
@@ -0,0 +1,22 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package main
+
+import (
+ "syscall"
+)
+
+// BUG(brainman): MessageBeep Windows api is broken on Windows 7,
+// so this example does not beep when runs as service on Windows 7.
+
+var (
+ beepFunc = syscall.MustLoadDLL("user32.dll").MustFindProc("MessageBeep")
+)
+
+func beep() {
+ beepFunc.Call(0xffffffff)
+}
diff --git a/windows/svc/example/install.go b/windows/svc/example/install.go
new file mode 100644
index 0000000..0d2d0cd
--- /dev/null
+++ b/windows/svc/example/install.go
@@ -0,0 +1,92 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package main
+
+import (
+ "fmt"
+ "os"
+ "path/filepath"
+
+ "
golang.org/x/sys/windows/svc/eventlog"
+ "
golang.org/x/sys/windows/svc/mgr"
+)
+
+func exePath() (string, error) {
+ prog := os.Args[0]
+ p, err := filepath.Abs(prog)
+ if err != nil {
+ return "", err
+ }
+ fi, err := os.Stat(p)
+ if err == nil {
+ if !fi.Mode().IsDir() {
+ return p, nil
+ }
+ err = fmt.Errorf("%s is directory", p)
+ }
+ if filepath.Ext(p) == "" {
+ p += ".exe"
+ fi, err := os.Stat(p)
+ if err == nil {
+ if !fi.Mode().IsDir() {
+ return p, nil
+ }
+ err = fmt.Errorf("%s is directory", p)
+ }
+ }
+ return "", err
+}
+
+func installService(name, desc string) error {
+ exepath, err := exePath()
+ if err != nil {
+ return err
+ }
+ m, err := mgr.Connect()
+ if err != nil {
+ return err
+ }
+ defer m.Disconnect()
+ s, err := m.OpenService(name)
+ if err == nil {
+ s.Close()
+ return fmt.Errorf("service %s already exists", name)
+ }
+ s, err = m.CreateService(name, exepath, mgr.Config{DisplayName: desc})
+ if err != nil {
+ return err
+ }
+ defer s.Close()
+ err = eventlog.InstallAsEventCreate(name, eventlog.Error|eventlog.Warning|
eventlog.Info)
+ if err != nil {
+ s.Delete()
+ return fmt.Errorf("SetupEventLogSource() failed: %s", err)
+ }
+ return nil
+}
+
+func removeService(name string) error {
+ m, err := mgr.Connect()
+ if err != nil {
+ return err
+ }
+ defer m.Disconnect()
+ s, err := m.OpenService(name)
+ if err != nil {
+ return fmt.Errorf("service %s is not installed", name)
+ }
+ defer s.Close()
+ err = s.Delete()
+ if err != nil {
+ return err
+ }
+ err = eventlog.Remove(name)
+ if err != nil {
+ return fmt.Errorf("RemoveEventLogSource() failed: %s", err)
+ }
+ return nil
+}
diff --git a/windows/svc/example/main.go b/windows/svc/example/main.go
new file mode 100644
index 0000000..dc96c08
--- /dev/null
+++ b/windows/svc/example/main.go
@@ -0,0 +1,76 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+// Example service program that beeps.
+//
+// The program demonstrates how to create Windows service and
+// install / remove it on a computer. It also shows how to
+// stop / start / pause / continue any service, and how to
+// write to event log. It also shows how to use debug
+// facilities available in debug package.
+//
+package main
+
+import (
+ "fmt"
+ "log"
+ "os"
+ "strings"
+
+ "
golang.org/x/sys/windows/svc"
+)
+
+func usage(errmsg string) {
+ fmt.Fprintf(os.Stderr,
+ "%s\n\n"+
+ "usage: %s <command>\n"+
+ " where <command> is one of\n"+
+ " install, remove, debug, start, stop, pause or continue.\n",
+ errmsg, os.Args[0])
+ os.Exit(2)
+}
+
+func main() {
+ const svcName = "myservice"
+
+ isIntSess, err := svc.IsAnInteractiveSession()
+ if err != nil {
+ log.Fatalf("failed to determine if we are running in an interactive
session: %v", err)
+ }
+ if !isIntSess {
+ runService(svcName, false)
+ return
+ }
+
+ if len(os.Args) < 2 {
+ usage("no command specified")
+ }
+
+ cmd := strings.ToLower(os.Args[1])
+ switch cmd {
+ case "debug":
+ runService(svcName, true)
+ return
+ case "install":
+ err = installService(svcName, "my service")
+ case "remove":
+ err = removeService(svcName)
+ case "start":
+ err = startService(svcName)
+ case "stop":
+ err = controlService(svcName, svc.Stop, svc.Stopped)
+ case "pause":
+ err = controlService(svcName, svc.Pause, svc.Paused)
+ case "continue":
+ err = controlService(svcName, svc.Continue, svc.Running)
+ default:
+ usage(fmt.Sprintf("invalid command %s", cmd))
+ }
+ if err != nil {
+ log.Fatalf("failed to %s %s: %v", cmd, svcName, err)
+ }
+ return
+}
diff --git a/windows/svc/example/manage.go b/windows/svc/example/manage.go
new file mode 100644
index 0000000..c270db2
--- /dev/null
+++ b/windows/svc/example/manage.go
@@ -0,0 +1,62 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package main
+
+import (
+ "fmt"
+ "time"
+
+ "
golang.org/x/sys/windows/svc"
+ "
golang.org/x/sys/windows/svc/mgr"
+)
+
+func startService(name string) error {
+ m, err := mgr.Connect()
+ if err != nil {
+ return err
+ }
+ defer m.Disconnect()
+ s, err := m.OpenService(name)
+ if err != nil {
+ return fmt.Errorf("could not access service: %v", err)
+ }
+ defer s.Close()
+ err = s.Start([]string{"p1", "p2", "p3"})
+ if err != nil {
+ return fmt.Errorf("could not start service: %v", err)
+ }
+ return nil
+}
+
+func controlService(name string, c svc.Cmd, to svc.State) error {
+ m, err := mgr.Connect()
+ if err != nil {
+ return err
+ }
+ defer m.Disconnect()
+ s, err := m.OpenService(name)
+ if err != nil {
+ return fmt.Errorf("could not access service: %v", err)
+ }
+ defer s.Close()
+ status, err := s.Control(c)
+ if err != nil {
+ return fmt.Errorf("could not send control=%d: %v", c, err)
+ }
+ timeout := time.Now().Add(10 * time.Second)
+ for status.State != to {
+ if timeout.Before(time.Now()) {
+ return fmt.Errorf("timeout waiting for service to go to state=%d", to)
+ }
+ time.Sleep(300 * time.Millisecond)
+ status, err = s.Query()
+ if err != nil {
+ return fmt.Errorf("could not retrieve service status: %v", err)
+ }
+ }
+ return nil
+}
diff --git a/windows/svc/example/service.go b/windows/svc/example/service.go
new file mode 100644
index 0000000..4a0ac42
--- /dev/null
+++ b/windows/svc/example/service.go
@@ -0,0 +1,81 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package main
+
+import (
+ "fmt"
+ "time"
+
+ "
golang.org/x/sys/windows/svc"
+ "
golang.org/x/sys/windows/svc/debug"
+ "
golang.org/x/sys/windows/svc/eventlog"
+)
+
+var elog debug.Log
+
+type myservice struct{}
+
+func (m *myservice) Execute(args []string, r <-chan svc.ChangeRequest,
changes chan<- svc.Status) (ssec bool, errno uint32) {
+ const cmdsAccepted = svc.AcceptStop | svc.AcceptShutdown |
svc.AcceptPauseAndContinue
+ changes <- svc.Status{State: svc.StartPending}
+ fasttick := time.Tick(500 * time.Millisecond)
+ slowtick := time.Tick(2 * time.Second)
+ tick := fasttick
+ changes <- svc.Status{State: svc.Running, Accepts: cmdsAccepted}
+loop:
+ for {
+ select {
+ case <-tick:
+ beep()
+ case c := <-r:
+ switch c.Cmd {
+ case svc.Interrogate:
+ changes <- c.CurrentStatus
+ // Testing deadlock from
https://code.google.com/p/winsvc/issues/detail?id=4
+ time.Sleep(100 * time.Millisecond)
+ changes <- c.CurrentStatus
+ case svc.Stop, svc.Shutdown:
+ break loop
+ case svc.Pause:
+ changes <- svc.Status{State: svc.Paused, Accepts: cmdsAccepted}
+ tick = slowtick
+ case svc.Continue:
+ changes <- svc.Status{State: svc.Running, Accepts: cmdsAccepted}
+ tick = fasttick
+ default:
+ elog.Error(1, fmt.Sprintf("unexpected control request #%d", c))
+ }
+ }
+ }
+ changes <- svc.Status{State: svc.StopPending}
+ return
+}
+
+func runService(name string, isDebug bool) {
+ var err error
+ if isDebug {
+ elog = debug.New(name)
+ } else {
+ elog, err = eventlog.Open(name)
+ if err != nil {
+ return
+ }
+ }
+ defer elog.Close()
+
+ elog.Info(1, fmt.Sprintf("starting %s service", name))
+ run := svc.Run
+ if isDebug {
+ run = debug.Run
+ }
+ err = run(name, &myservice{})
+ if err != nil {
+ elog.Error(1, fmt.Sprintf("%s service failed: %v", name, err))
+ return
+ }
+ elog.Info(1, fmt.Sprintf("%s service stopped", name))
+}
diff --git a/windows/svc/go12.c b/windows/svc/go12.c
new file mode 100644
index 0000000..6f1be1f
--- /dev/null
+++ b/windows/svc/go12.c
@@ -0,0 +1,24 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+// +build !go1.3
+
+// copied from pkg/runtime
+typedef unsigned int uint32;
+typedef unsigned long long int uint64;
+#ifdef _64BIT
+typedef uint64 uintptr;
+#else
+typedef uint32 uintptr;
+#endif
+
+// from sys_386.s or sys_amd64.s
+void ·servicemain(void);
+
+void
+·getServiceMain(uintptr *r)
+{
+ *r = (uintptr)·servicemain;
+}
diff --git a/windows/svc/go12.go b/windows/svc/go12.go
new file mode 100644
index 0000000..6f0a924
--- /dev/null
+++ b/windows/svc/go12.go
@@ -0,0 +1,11 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+// +build !go1.3
+
+package svc
+
+// from go12.c
+func getServiceMain(r *uintptr)
diff --git a/windows/svc/go13.go b/windows/svc/go13.go
new file mode 100644
index 0000000..432a9e7
--- /dev/null
+++ b/windows/svc/go13.go
@@ -0,0 +1,31 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+// +build go1.3
+
+package svc
+
+import "unsafe"
+
+const ptrSize = 4 << (^uintptr(0) >> 63) // unsafe.Sizeof(uintptr(0)) but
an ideal const
+
+// Should be a built-in for unsafe.Pointer?
+func add(p unsafe.Pointer, x uintptr) unsafe.Pointer {
+ return unsafe.Pointer(uintptr(p) + x)
+}
+
+// funcPC returns the entry PC of the function f.
+// It assumes that f is a func value. Otherwise the behavior is undefined.
+func funcPC(f interface{}) uintptr {
+ return **(**uintptr)(add(unsafe.Pointer(&f), ptrSize))
+}
+
+// from sys_386.s and sys_amd64.s
+func servicectlhandler(ctl uint32) uintptr
+func servicemain(argc uint32, argv **uint16)
+
+func getServiceMain(r *uintptr) {
+ *r = funcPC(servicemain)
+}
diff --git a/windows/svc/mgr/config.go b/windows/svc/mgr/config.go
new file mode 100644
index 0000000..9b1f6e7
--- /dev/null
+++ b/windows/svc/mgr/config.go
@@ -0,0 +1,139 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package mgr
+
+import (
+ "syscall"
+ "unicode/utf16"
+ "unsafe"
+
+ "
golang.org/x/sys/windows"
+)
+
+const (
+ // Service start types.
+ StartManual = windows.SERVICE_DEMAND_START // the service must be
started manually
+ StartAutomatic = windows.SERVICE_AUTO_START // the service will start
by itself whenever the computer reboots
+ StartDisabled = windows.SERVICE_DISABLED // the service cannot be
started
+
+ // The severity of the error, and action taken,
+ // if this service fails to start.
+ ErrorCritical = windows.SERVICE_ERROR_CRITICAL
+ ErrorIgnore = windows.SERVICE_ERROR_IGNORE
+ ErrorNormal = windows.SERVICE_ERROR_NORMAL
+ ErrorSevere = windows.SERVICE_ERROR_SEVERE
+)
+
+// TODO(brainman): Password is not returned by windows.QueryServiceConfig,
not sure how to get it.
+
+type Config struct {
+ ServiceType uint32
+ StartType uint32
+ ErrorControl uint32
+ BinaryPathName string
+ LoadOrderGroup string
+ TagId uint32
+ Dependencies []string
+ ServiceStartName string // name of the account under which the service
should run
+ DisplayName string
+ Password string
+ Description string
+}
+
+func toString(p *uint16) string {
+ if p == nil {
+ return ""
+ }
+ return syscall.UTF16ToString((*[4096]uint16)(unsafe.Pointer(p))[:])
+}
+
+func toStringSlice(ps *uint16) []string {
+ if ps == nil {
+ return nil
+ }
+ r := make([]string, 0)
+ for from, i, p := 0, 0, (*[1 << 24]uint16)(unsafe.Pointer(ps)); true; i++
{
+ if p[i] == 0 {
+ // empty string marks the end
+ if i <= from {
+ break
+ }
+ r = append(r, string(utf16.Decode(p[from:i])))
+ from = i + 1
+ }
+ }
+ return r
+}
+
+// Config retrieves service s configuration paramteres.
+func (s *Service) Config() (Config, error) {
+ var p *windows.QUERY_SERVICE_CONFIG
+ n := uint32(1024)
+ for {
+ b := make([]byte, n)
+ p = (*windows.QUERY_SERVICE_CONFIG)(unsafe.Pointer(&b[0]))
+ err := windows.QueryServiceConfig(s.Handle, p, n, &n)
+ if err == nil {
+ break
+ }
+ if err.(syscall.Errno) != syscall.ERROR_INSUFFICIENT_BUFFER {
+ return Config{}, err
+ }
+ if n <= uint32(len(b)) {
+ return Config{}, err
+ }
+ }
+
+ var p2 *windows.SERVICE_DESCRIPTION
+ n = uint32(1024)
+ for {
+ b := make([]byte, n)
+ p2 = (*windows.SERVICE_DESCRIPTION)(unsafe.Pointer(&b[0]))
+ err := windows.QueryServiceConfig2(s.Handle,
+ windows.SERVICE_CONFIG_DESCRIPTION, &b[0], n, &n)
+ if err == nil {
+ break
+ }
+ if err.(syscall.Errno) != syscall.ERROR_INSUFFICIENT_BUFFER {
+ return Config{}, err
+ }
+ if n <= uint32(len(b)) {
+ return Config{}, err
+ }
+ }
+
+ return Config{
+ ServiceType: p.ServiceType,
+ StartType: p.StartType,
+ ErrorControl: p.ErrorControl,
+ BinaryPathName: toString(p.BinaryPathName),
+ LoadOrderGroup: toString(p.LoadOrderGroup),
+ TagId: p.TagId,
+ Dependencies: toStringSlice(p.Dependencies),
+ ServiceStartName: toString(p.ServiceStartName),
+ DisplayName: toString(p.DisplayName),
+ Description: toString(p2.Description),
+ }, nil
+}
+
+func updateDescription(handle windows.Handle, desc string) error {
+ d := windows.SERVICE_DESCRIPTION{toPtr(desc)}
+ return windows.ChangeServiceConfig2(handle,
+ windows.SERVICE_CONFIG_DESCRIPTION, (*byte)(unsafe.Pointer(&d)))
+}
+
+// UpdateConfig updates service s configuration parameters.
+func (s *Service) UpdateConfig(c Config) error {
+ err := windows.ChangeServiceConfig(s.Handle, c.ServiceType, c.StartType,
+ c.ErrorControl, toPtr(c.BinaryPathName), toPtr(c.LoadOrderGroup),
+ nil, toStringBlock(c.Dependencies), toPtr(c.ServiceStartName),
+ toPtr(c.Password), toPtr(c.DisplayName))
+ if err != nil {
+ return err
+ }
+ return updateDescription(s.Handle, c.Description)
+}
diff --git a/windows/svc/mgr/mgr.go b/windows/svc/mgr/mgr.go
new file mode 100644
index 0000000..be46881
--- /dev/null
+++ b/windows/svc/mgr/mgr.go
@@ -0,0 +1,111 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+// Package mgr can be used to manage Windows service programs.
+// It can be used to install and remove them. It can also start,
+// stop and pause them. The package can query / change current
+// service state and config parameters.
+//
+package mgr
+
+import (
+ "syscall"
+ "unicode/utf16"
+
+ "
golang.org/x/sys/windows"
+)
+
+// Mgr is used to manage Windows service.
+type Mgr struct {
+ Handle windows.Handle
+}
+
+// Connect establishes a connection to the service control manager.
+func Connect() (*Mgr, error) {
+ return ConnectRemote("")
+}
+
+// ConnectRemote establishes a connection to the
+// service control manager on computer named host.
+func ConnectRemote(host string) (*Mgr, error) {
+ var s *uint16
+ if host != "" {
+ s = syscall.StringToUTF16Ptr(host)
+ }
+ h, err := windows.OpenSCManager(s, nil, windows.SC_MANAGER_ALL_ACCESS)
+ if err != nil {
+ return nil, err
+ }
+ return &Mgr{Handle: h}, nil
+}
+
+// Disconnect closes connection to the service control manager m.
+func (m *Mgr) Disconnect() error {
+ return windows.CloseServiceHandle(m.Handle)
+}
+
+func toPtr(s string) *uint16 {
+ if len(s) == 0 {
+ return nil
+ }
+ return syscall.StringToUTF16Ptr(s)
+}
+
+// toStringBlock terminates strings in ss with 0, and then
+// concatenates them together. It also adds extra 0 at the end.
+func toStringBlock(ss []string) *uint16 {
+ if len(ss) == 0 {
+ return nil
+ }
+ t := ""
+ for _, s := range ss {
+ if s != "" {
+ t += s + "\x00"
+ }
+ }
+ if t == "" {
+ return nil
+ }
+ t += "\x00"
+ return &utf16.Encode([]rune(t))[0]
+}
+
+// CreateService installs new service name on the system.
+// The service will be executed by running exepath binary.
+// Use config c to specify service parameters.
+func (m *Mgr) CreateService(name, exepath string, c Config) (*Service,
error) {
+ if c.StartType == 0 {
+ c.StartType = StartManual
+ }
+ if c.ErrorControl == 0 {
+ c.ErrorControl = ErrorNormal
+ }
+ c.BinaryPathName = exepath // execpath is important, do not rely on
BinaryPathName field to be set
+ h, err := windows.CreateService(m.Handle, toPtr(name),
toPtr(c.DisplayName),
+ windows.SERVICE_ALL_ACCESS, windows.SERVICE_WIN32_OWN_PROCESS,
+ c.StartType, c.ErrorControl, toPtr(exepath), toPtr(c.LoadOrderGroup),
+ nil, toStringBlock(c.Dependencies), toPtr(c.ServiceStartName),
toPtr(c.Password))
+ if err != nil {
+ return nil, err
+ }
+ if c.Description != "" {
+ err = updateDescription(h, c.Description)
+ if err != nil {
+ return nil, err
+ }
+ }
+ return &Service{Name: name, Handle: h}, nil
+}
+
+// OpenService retrieves access to service name, so it can
+// be interrogated and controlled.
+func (m *Mgr) OpenService(name string) (*Service, error) {
+ h, err := windows.OpenService(m.Handle, syscall.StringToUTF16Ptr(name),
windows.SERVICE_ALL_ACCESS)
+ if err != nil {
+ return nil, err
+ }
+ return &Service{Name: name, Handle: h}, nil
+}
diff --git a/windows/svc/mgr/mgr_test.go b/windows/svc/mgr/mgr_test.go
new file mode 100644
index 0000000..deb9fac
--- /dev/null
+++ b/windows/svc/mgr/mgr_test.go
@@ -0,0 +1,147 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package mgr_test
+
+import (
+ "os"
+ "path/filepath"
+ "sort"
+ "strings"
+ "testing"
+ "time"
+
+ "
golang.org/x/sys/windows/svc/mgr"
+)
+
+func TestOpenLanManServer(t *testing.T) {
+ m, err := mgr.Connect()
+ if err != nil {
+ t.Fatalf("SCM connection failed: %s", err)
+ }
+ defer m.Disconnect()
+
+ s, err := m.OpenService("LanmanServer")
+ if err != nil {
+ t.Fatalf("OpenService(lanmanserver) failed: %s", err)
+ }
+ defer s.Close()
+
+ _, err = s.Config()
+ if err != nil {
+ t.Fatalf("Config failed: %s", err)
+ }
+}
+
+func install(t *testing.T, m *mgr.Mgr, name, exepath string, c mgr.Config)
{
+ // Sometimes it takes a while for the service to get
+ // removed after previous test run.
+ for i := 0; ; i++ {
+ s, err := m.OpenService(name)
+ if err != nil {
+ break
+ }
+ s.Close()
+
+ if i > 10 {
+ t.Fatalf("service %s already exists", name)
+ }
+ time.Sleep(300 * time.Millisecond)
+ }
+
+ s, err := m.CreateService(name, exepath, c)
+ if err != nil {
+ t.Fatalf("CreateService(%s) failed: %v", name, err)
+ }
+ defer s.Close()
+}
+
+func depString(d []string) string {
+ if len(d) == 0 {
+ return ""
+ }
+ for i := range d {
+ d[i] = strings.ToLower(d[i])
+ }
+ ss := sort.StringSlice(d)
+ ss.Sort()
+ return strings.Join([]string(ss), " ")
+}
+
+func testConfig(t *testing.T, s *mgr.Service, should mgr.Config)
mgr.Config {
+ is, err := s.Config()
+ if err != nil {
+ t.Fatalf("Config failed: %s", err)
+ }
+ if should.DisplayName != is.DisplayName {
+ t.Fatalf("config mismatch: DisplayName is %q, but should have %q",
is.DisplayName, should.DisplayName)
+ }
+ if should.StartType != is.StartType {
+ t.Fatalf("config mismatch: StartType is %v, but should have %v",
is.StartType, should.StartType)
+ }
+ if should.Description != is.Description {
+ t.Fatalf("config mismatch: Description is %q, but should have %q",
is.Description, should.Description)
+ }
+ if depString(should.Dependencies) != depString(is.Dependencies) {
+ t.Fatalf("config mismatch: Dependencies is %v, but should have %v",
is.Dependencies, should.Dependencies)
+ }
+ return is
+}
+
+func remove(t *testing.T, s *mgr.Service) {
+ err := s.Delete()
+ if err != nil {
+ t.Fatalf("Delete failed: %s", err)
+ }
+}
+
+func TestMyService(t *testing.T) {
+ if testing.Short() {
+ t.Skip("skipping test in short mode - it modifies system services")
+ }
+
+ const name = "myservice"
+
+ m, err := mgr.Connect()
+ if err != nil {
+ t.Fatalf("SCM connection failed: %s", err)
+ }
+ defer m.Disconnect()
+
+ c := mgr.Config{
+ StartType: mgr.StartDisabled,
+ DisplayName: "my service",
+ Description: "my service is just a test",
+ Dependencies: []string{"LanmanServer", "W32Time"},
+ }
+
+ exename := os.Args[0]
+ exepath, err := filepath.Abs(exename)
+ if err != nil {
+ t.Fatalf("filepath.Abs(%s) failed: %s", exename, err)
+ }
+
+ install(t, m, name, exepath, c)
+
+ s, err := m.OpenService(name)
+ if err != nil {
+ t.Fatalf("service %s is not installed", name)
+ }
+ defer s.Close()
+
+ c.BinaryPathName = exepath
+ c = testConfig(t, s, c)
+
+ c.StartType = mgr.StartManual
+ err = s.UpdateConfig(c)
+ if err != nil {
+ t.Fatalf("UpdateConfig failed: %v", err)
+ }
+
+ testConfig(t, s, c)
+
+ remove(t, s)
+}
diff --git a/windows/svc/mgr/service.go b/windows/svc/mgr/service.go
new file mode 100644
index 0000000..9ae0baf
--- /dev/null
+++ b/windows/svc/mgr/service.go
@@ -0,0 +1,73 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package mgr
+
+import (
+ "syscall"
+
+ "
golang.org/x/sys/windows"
+ "
golang.org/x/sys/windows/svc"
+)
+
+// TODO(brainman): Use EnumDependentServices to enumerate dependent
services.
+
+// TODO(brainman): Use EnumServicesStatus to enumerate services in the
specified service control manager database.
+
+// Service is used to access Windows service.
+type Service struct {
+ Name string
+ Handle windows.Handle
+}
+
+// Delete marks service s for deletion from the service control manager
database.
+func (s *Service) Delete() error {
+ return windows.DeleteService(s.Handle)
+}
+
+// Close relinquish access to the service s.
+func (s *Service) Close() error {
+ return windows.CloseServiceHandle(s.Handle)
+}
+
+// Start starts service s.
+func (s *Service) Start(args []string) error {
+ var p **uint16
+ if len(args) > 0 {
+ vs := make([]*uint16, len(args))
+ for i, _ := range vs {
+ vs[i] = syscall.StringToUTF16Ptr(args[i])
+ }
+ p = &vs[0]
+ }
+ return windows.StartService(s.Handle, uint32(len(args)), p)
+}
+
+// Control sends state change request c to the servce s.
+func (s *Service) Control(c svc.Cmd) (svc.Status, error) {
+ var t windows.SERVICE_STATUS
+ err := windows.ControlService(s.Handle, uint32(c), &t)
+ if err != nil {
+ return svc.Status{}, err
+ }
+ return svc.Status{
+ State: svc.State(t.CurrentState),
+ Accepts: svc.Accepted(t.ControlsAccepted),
+ }, nil
+}
+
+// Query returns current status of service s.
+func (s *Service) Query() (svc.Status, error) {
+ var t windows.SERVICE_STATUS
+ err := windows.QueryServiceStatus(s.Handle, &t)
+ if err != nil {
+ return svc.Status{}, err
+ }
+ return svc.Status{
+ State: svc.State(t.CurrentState),
+ Accepts: svc.Accepted(t.ControlsAccepted),
+ }, nil
+}
diff --git a/windows/svc/security.go b/windows/svc/security.go
new file mode 100644
index 0000000..6fbc923
--- /dev/null
+++ b/windows/svc/security.go
@@ -0,0 +1,62 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package svc
+
+import (
+ "unsafe"
+
+ "
golang.org/x/sys/windows"
+)
+
+func allocSid(subAuth0 uint32) (*windows.SID, error) {
+ var sid *windows.SID
+ err := windows.AllocateAndInitializeSid(&windows.SECURITY_NT_AUTHORITY,
+ 1, subAuth0, 0, 0, 0, 0, 0, 0, 0, &sid)
+ if err != nil {
+ return nil, err
+ }
+ return sid, nil
+}
+
+// IsAnInteractiveSession determines if calling process is running
interactively.
+// It queries the process token for membership in the Interactive group.
+//
http://stackoverflow.com/questions/2668851/how-do-i-detect-that-my-application-is-running-as-service-or-in-an-interactive-s
+func IsAnInteractiveSession() (bool, error) {
+ interSid, err := allocSid(windows.SECURITY_INTERACTIVE_RID)
+ if err != nil {
+ return false, err
+ }
+ defer windows.FreeSid(interSid)
+
+ serviceSid, err := allocSid(windows.SECURITY_SERVICE_RID)
+ if err != nil {
+ return false, err
+ }
+ defer windows.FreeSid(serviceSid)
+
+ t, err := windows.OpenCurrentProcessToken()
+ if err != nil {
+ return false, err
+ }
+ defer t.Close()
+
+ gs, err := t.GetTokenGroups()
+ if err != nil {
+ return false, err
+ }
+ p := unsafe.Pointer(&gs.Groups[0])
+ groups := (*[2 << 20]windows.SIDAndAttributes)(p)[:gs.GroupCount]
+ for _, g := range groups {
+ if windows.EqualSid(g.Sid, interSid) {
+ return true, nil
+ }
+ if windows.EqualSid(g.Sid, serviceSid) {
+ return false, nil
+ }
+ }
+ return false, nil
+}
diff --git a/windows/svc/service.go b/windows/svc/service.go
new file mode 100644
index 0000000..70a94d4
--- /dev/null
+++ b/windows/svc/service.go
@@ -0,0 +1,315 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+// Package svc provides everything required to build Windows service.
+//
+package svc
+
+import (
+ "errors"
+ "runtime"
+ "syscall"
+ "unsafe"
+
+ "
golang.org/x/sys/windows"
+)
+
+// State describes service execution state (Stopped, Running and so on).
+type State uint32
+
+const (
+ Stopped = State(windows.SERVICE_STOPPED)
+ StartPending = State(windows.SERVICE_START_PENDING)
+ StopPending = State(windows.SERVICE_STOP_PENDING)
+ Running = State(windows.SERVICE_RUNNING)
+ ContinuePending = State(windows.SERVICE_CONTINUE_PENDING)
+ PausePending = State(windows.SERVICE_PAUSE_PENDING)
+ Paused = State(windows.SERVICE_PAUSED)
+)
+
+// Cmd represents service state change request. It is sent to a service
+// by the service manager, and should be actioned upon by the service.
+type Cmd uint32
+
+const (
+ Stop = Cmd(windows.SERVICE_CONTROL_STOP)
+ Pause = Cmd(windows.SERVICE_CONTROL_PAUSE)
+ Continue = Cmd(windows.SERVICE_CONTROL_CONTINUE)
+ Interrogate = Cmd(windows.SERVICE_CONTROL_INTERROGATE)
+ Shutdown = Cmd(windows.SERVICE_CONTROL_SHUTDOWN)
+)
+
+// Accepted is used to describe commands accepted by the service.
+// Note that Interrogate is always accepted.
+type Accepted uint32
+
+const (
+ AcceptStop = Accepted(windows.SERVICE_ACCEPT_STOP)
+ AcceptShutdown = Accepted(windows.SERVICE_ACCEPT_SHUTDOWN)
+ AcceptPauseAndContinue = Accepted(windows.SERVICE_ACCEPT_PAUSE_CONTINUE)
+)
+
+// Status combines State and Accepted commands to fully describe running
service.
+type Status struct {
+ State State
+ Accepts Accepted
+ CheckPoint uint32 // used to report progress during a lengthy operation
+ WaitHint uint32 // estimated time required for a pending operation, in
milliseconds
+}
+
+// ChangeRequest is sent to the service Handler to request service status
change.
+type ChangeRequest struct {
+ Cmd Cmd
+ CurrentStatus Status
+}
+
+// Handler is the interface that must be implemented to build Windows
service.
+type Handler interface {
+
+ // Execute will be called by the package code at the start of
+ // the service, and the service will exit once Execute completes.
+ // Inside Execute you must read service change requests from r and
+ // act accordingly. You must keep service control manager up to date
+ // about state of your service by writing into s as required.
+ // args contains argument strings passed to the service.
+ // You can provide service exit code in exitCode return parameter,
+ // with 0 being "no error". You can also indicate if exit code,
+ // if any, is service specific or not by using svcSpecificEC
+ // parameter.
+ Execute(args []string, r <-chan ChangeRequest, s chan<- Status)
(svcSpecificEC bool, exitCode uint32)
+}
+
+var (
+ // These are used by asm code.
+ goWaitsH uintptr
+ cWaitsH uintptr
+ ssHandle uintptr
+ sName *uint16
+ sArgc uintptr
+ sArgv **uint16
+ ctlHandlerProc uintptr
+ cSetEvent uintptr
+ cWaitForSingleObject uintptr
+ cRegisterServiceCtrlHandlerW uintptr
+)
+
+func init() {
+ k := syscall.MustLoadDLL("kernel32.dll")
+ cSetEvent = k.MustFindProc("SetEvent").Addr()
+ cWaitForSingleObject = k.MustFindProc("WaitForSingleObject").Addr()
+ a := syscall.MustLoadDLL("advapi32.dll")
+ cRegisterServiceCtrlHandlerW =
a.MustFindProc("RegisterServiceCtrlHandlerW").Addr()
+}
+
+type ctlEvent struct {
+ cmd Cmd
+ errno uint32
+}
+
+// service provides access to windows service api.
+type service struct {
+ name string
+ h windows.Handle
+ cWaits *event
+ goWaits *event
+ c chan ctlEvent
+ handler Handler
+}
+
+func newService(name string, handler Handler) (*service, error) {
+ var s service
+ var err error
+
s.name = name
+ s.c = make(chan ctlEvent)
+ s.handler = handler
+ s.cWaits, err = newEvent()
+ if err != nil {
+ return nil, err
+ }
+ s.goWaits, err = newEvent()
+ if err != nil {
+ s.cWaits.Close()
+ return nil, err
+ }
+ return &s, nil
+}
+
+func (s *service) close() error {
+ s.cWaits.Close()
+ s.goWaits.Close()
+ return nil
+}
+
+type exitCode struct {
+ isSvcSpecific bool
+ errno uint32
+}
+
+func (s *service) updateStatus(status *Status, ec *exitCode) error {
+ if s.h == 0 {
+ return errors.New("updateStatus with no service status handle")
+ }
+ var t windows.SERVICE_STATUS
+ t.ServiceType = windows.SERVICE_WIN32_OWN_PROCESS
+ t.CurrentState = uint32(status.State)
+ if status.Accepts&AcceptStop != 0 {
+ t.ControlsAccepted |= windows.SERVICE_ACCEPT_STOP
+ }
+ if status.Accepts&AcceptShutdown != 0 {
+ t.ControlsAccepted |= windows.SERVICE_ACCEPT_SHUTDOWN
+ }
+ if status.Accepts&AcceptPauseAndContinue != 0 {
+ t.ControlsAccepted |= windows.SERVICE_ACCEPT_PAUSE_CONTINUE
+ }
+ if ec.errno == 0 {
+ t.Win32ExitCode = windows.NO_ERROR
+ t.ServiceSpecificExitCode = windows.NO_ERROR
+ } else if ec.isSvcSpecific {
+ t.Win32ExitCode = uint32(windows.ERROR_SERVICE_SPECIFIC_ERROR)
+ t.ServiceSpecificExitCode = ec.errno
+ } else {
+ t.Win32ExitCode = ec.errno
+ t.ServiceSpecificExitCode = windows.NO_ERROR
+ }
+ t.CheckPoint = status.CheckPoint
+ t.WaitHint = status.WaitHint
+ return windows.SetServiceStatus(s.h, &t)
+}
+
+const (
+ sysErrSetServiceStatusFailed = uint32(syscall.APPLICATION_ERROR) + iota
+ sysErrNewThreadInCallback
+)
+
+func (s *service) run() {
+ s.goWaits.Wait()
+ s.h = windows.Handle(ssHandle)
+ argv := (*[100]*int16)(unsafe.Pointer(sArgv))[:sArgc]
+ args := make([]string, len(argv))
+ for i, a := range argv {
+ args[i] = syscall.UTF16ToString((*[1 << 20]uint16)(unsafe.Pointer(a))[:])
+ }
+
+ cmdsToHandler := make(chan ChangeRequest)
+ changesFromHandler := make(chan Status)
+ exitFromHandler := make(chan exitCode)
+
+ go func() {
+ ss, errno := s.handler.Execute(args, cmdsToHandler, changesFromHandler)
+ exitFromHandler <- exitCode{ss, errno}
+ }()
+
+ status := Status{State: Stopped}
+ ec := exitCode{isSvcSpecific: true, errno: 0}
+ var outch chan ChangeRequest
+ inch := s.c
+ var cmd Cmd
+loop:
+ for {
+ select {
+ case r := <-inch:
+ if r.errno != 0 {
+ ec.errno = r.errno
+ break loop
+ }
+ inch = nil
+ outch = cmdsToHandler
+ cmd = r.cmd
+ case outch <- ChangeRequest{cmd, status}:
+ inch = s.c
+ outch = nil
+ case c := <-changesFromHandler:
+ err := s.updateStatus(&c, &ec)
+ if err != nil {
+ // best suitable error number
+ ec.errno = sysErrSetServiceStatusFailed
+ if err2, ok := err.(syscall.Errno); ok {
+ ec.errno = uint32(err2)
+ }
+ break loop
+ }
+ status = c
+ case ec = <-exitFromHandler:
+ break loop
+ }
+ }
+
+ s.updateStatus(&Status{State: Stopped}, &ec)
+ s.cWaits.Set()
+}
+
+func newCallback(fn interface{}) (cb uintptr, err error) {
+ defer func() {
+ r := recover()
+ if r == nil {
+ return
+ }
+ cb = 0
+ switch v := r.(type) {
+ case string:
+ err = errors.New(v)
+ case error:
+ err = v
+ default:
+ err = errors.New("unexpected panic in syscall.NewCallback")
+ }
+ }()
+ return syscall.NewCallback(fn), nil
+}
+
+// BUG(brainman): There is no mechanism to run multiple services
+// inside one single executable. Perhaps, it can be overcome by
+// using RegisterServiceCtrlHandlerEx Windows api.
+
+// Run executes service name by calling appropriate handler function.
+func Run(name string, handler Handler) error {
+ runtime.LockOSThread()
+
+ tid := windows.GetCurrentThreadId()
+
+ s, err := newService(name, handler)
+ if err != nil {
+ return err
+ }
+
+ ctlHandler := func(ctl uint32) uintptr {
+ e := ctlEvent{cmd: Cmd(ctl)}
+ // We assume that this callback function is running on
+ // the same thread as Run. Nowhere in MS documentation
+ // I could find statement to guarantee that. So putting
+ // check here to verify, otherwise things will go bad
+ // quickly, if ignored.
+ i := windows.GetCurrentThreadId()
+ if i != tid {
+ e.errno = sysErrNewThreadInCallback
+ }
+ s.c <- e
+ return 0
+ }
+
+ var svcmain uintptr
+ getServiceMain(&svcmain)
+ t := []windows.SERVICE_TABLE_ENTRY{
+ {syscall.StringToUTF16Ptr(
s.name), svcmain},
+ {nil, 0},
+ }
+
+ goWaitsH = uintptr(s.goWaits.h)
+ cWaitsH = uintptr(s.cWaits.h)
+ sName = t[0].ServiceName
+ ctlHandlerProc, err = newCallback(ctlHandler)
+ if err != nil {
+ return err
+ }
+
+ go s.run()
+
+ err = windows.StartServiceCtrlDispatcher(&t[0])
+ if err != nil {
+ return err
+ }
+ return nil
+}
diff --git a/windows/svc/svc_test.go b/windows/svc/svc_test.go
new file mode 100644
index 0000000..4dcf540
--- /dev/null
+++ b/windows/svc/svc_test.go
@@ -0,0 +1,118 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package svc_test
+
+import (
+ "io/ioutil"
+ "os"
+ "os/exec"
+ "path/filepath"
+ "testing"
+ "time"
+
+ "
golang.org/x/sys/windows/svc"
+ "
golang.org/x/sys/windows/svc/mgr"
+)
+
+func getState(t *testing.T, s *mgr.Service) svc.State {
+ status, err := s.Query()
+ if err != nil {
+ t.Fatalf("Query(%s) failed: %s", s.Name, err)
+ }
+ return status.State
+}
+
+func testState(t *testing.T, s *mgr.Service, want svc.State) {
+ have := getState(t, s)
+ if have != want {
+ t.Fatalf("%s state is=%d want=%d", s.Name, have, want)
+ }
+}
+
+func waitState(t *testing.T, s *mgr.Service, want svc.State) {
+ for i := 0; ; i++ {
+ have := getState(t, s)
+ if have == want {
+ return
+ }
+ if i > 10 {
+ t.Fatalf("%s state is=%d, waiting timeout", s.Name, have)
+ }
+ time.Sleep(300 * time.Millisecond)
+ }
+}
+
+func TestExample(t *testing.T) {
+ if testing.Short() {
+ t.Skip("skipping test in short mode - it modifies system services")
+ }
+
+ const name = "myservice"
+
+ m, err := mgr.Connect()
+ if err != nil {
+ t.Fatalf("SCM connection failed: %s", err)
+ }
+ defer m.Disconnect()
+
+ dir, err := ioutil.TempDir("", "svc")
+ if err != nil {
+ t.Fatalf("failed to create temp directory: %v", err)
+ }
+ defer os.RemoveAll(dir)
+
+ exepath := filepath.Join(dir, "a.exe")
+ o, err := exec.Command("go", "build", "-o",
exepath, "
golang.org/x/sys/windows/svc/example").CombinedOutput()
+ if err != nil {
+ t.Fatalf("failed to build service program: %v\n%v", err, string(o))
+ }
+
+ s, err := m.OpenService(name)
+ if err == nil {
+ err = s.Delete()
+ if err != nil {
+ s.Close()
+ t.Fatalf("Delete failed: %s", err)
+ }
+ s.Close()
+ }
+ s, err = m.CreateService(name, exepath, mgr.Config{DisplayName: "my
service"})
+ if err != nil {
+ t.Fatalf("CreateService(%s) failed: %v", name, err)
+ }
+ defer s.Close()
+
+ testState(t, s, svc.Stopped)
+ err = s.Start(nil)
+ if err != nil {
+ t.Fatalf("Start(%s) failed: %s", s.Name, err)
+ }
+ waitState(t, s, svc.Running)
+ time.Sleep(1 * time.Second)
+
+ // testing deadlock from issues 4.
+ _, err = s.Control(svc.Interrogate)
+ if err != nil {
+ t.Fatalf("Control(%s) failed: %s", s.Name, err)
+ }
+ _, err = s.Control(svc.Interrogate)
+ if err != nil {
+ t.Fatalf("Control(%s) failed: %s", s.Name, err)
+ }
+ time.Sleep(1 * time.Second)
+
+ _, err = s.Control(svc.Stop)
+ if err != nil {
+ t.Fatalf("Control(%s) failed: %s", s.Name, err)
+ }
+ waitState(t, s, svc.Stopped)
+
+ err = s.Delete()
+ if err != nil {
+ t.Fatalf("Delete failed: %s", err)
+ }
+}
diff --git a/windows/svc/sys_386.s b/windows/svc/sys_386.s
new file mode 100644
index 0000000..5e11bfa
--- /dev/null
+++ b/windows/svc/sys_386.s
@@ -0,0 +1,67 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+// func servicemain(argc uint32, argv **uint16)
+TEXT ·servicemain(SB),7,$0
+ MOVL argc+0(FP), AX
+ MOVL AX, ·sArgc(SB)
+ MOVL argv+4(FP), AX
+ MOVL AX, ·sArgv(SB)
+
+ PUSHL BP
+ PUSHL BX
+ PUSHL SI
+ PUSHL DI
+
+ SUBL $12, SP
+
+ MOVL ·sName(SB), AX
+ MOVL AX, (SP)
+ MOVL $·servicectlhandler(SB), AX
+ MOVL AX, 4(SP)
+ MOVL ·cRegisterServiceCtrlHandlerW(SB), AX
+ MOVL SP, BP
+ CALL AX
+ MOVL BP, SP
+ CMPL AX, $0
+ JE exit
+ MOVL AX, ·ssHandle(SB)
+
+ MOVL ·goWaitsH(SB), AX
+ MOVL AX, (SP)
+ MOVL ·cSetEvent(SB), AX
+ MOVL SP, BP
+ CALL AX
+ MOVL BP, SP
+
+ MOVL ·cWaitsH(SB), AX
+ MOVL AX, (SP)
+ MOVL $-1, AX
+ MOVL AX, 4(SP)
+ MOVL ·cWaitForSingleObject(SB), AX
+ MOVL SP, BP
+ CALL AX
+ MOVL BP, SP
+
+exit:
+ ADDL $12, SP
+
+ POPL DI
+ POPL SI
+ POPL BX
+ POPL BP
+
+ MOVL 0(SP), CX
+ ADDL $12, SP
+ JMP CX
+
+// I do not know why, but this seems to be the only way to call
+// ctlHandlerProc on Windows 7.
+
+// func servicectlhandler(ctl uint32) uintptr
+TEXT ·servicectlhandler(SB),7,$0
+ MOVL ·ctlHandlerProc(SB), CX
+ JMP CX
diff --git a/windows/svc/sys_amd64.s b/windows/svc/sys_amd64.s
new file mode 100644
index 0000000..87dbec8
--- /dev/null
+++ b/windows/svc/sys_amd64.s
@@ -0,0 +1,41 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+// func servicemain(argc uint32, argv **uint16)
+TEXT ·servicemain(SB),7,$0
+ MOVL CX, ·sArgc(SB)
+ MOVL DX, ·sArgv(SB)
+
+ SUBQ $32, SP // stack for the first 4 syscall params
+
+ MOVQ ·sName(SB), CX
+ MOVQ $·servicectlhandler(SB), DX
+ MOVQ ·cRegisterServiceCtrlHandlerW(SB), AX
+ CALL AX
+ CMPQ AX, $0
+ JE exit
+ MOVQ AX, ·ssHandle(SB)
+
+ MOVQ ·goWaitsH(SB), CX
+ MOVQ ·cSetEvent(SB), AX
+ CALL AX
+
+ MOVQ ·cWaitsH(SB), CX
+ MOVQ $4294967295, DX
+ MOVQ ·cWaitForSingleObject(SB), AX
+ CALL AX
+
+exit:
+ ADDQ $32, SP
+ RET
+
+// I do not know why, but this seems to be the only way to call
+// ctlHandlerProc on Windows 7.
+
+// func servicectlhandler(ctl uint32) uintptr
+TEXT ·servicectlhandler(SB),7,$0
+ MOVQ ·ctlHandlerProc(SB), AX
+ JMP AX
diff --git a/windows/syscall_windows.go b/windows/syscall_windows.go
index 4256f45..2784f17 100644
--- a/windows/syscall_windows.go
+++ b/windows/syscall_windows.go
@@ -14,7 +14,7 @@
"unsafe"
)
-//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output
zsyscall_windows.go syscall_windows.go security_windows.go
+//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output
zsyscall_windows.go eventlog.go service.go syscall_windows.go
security_windows.go
type Handle uintptr
@@ -180,6 +180,9 @@
// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL.
//sys CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16,
flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW
//sys CreateHardLink(filename *uint16, existingfilename *uint16, reserved
uintptr) (err error) [failretval&0xff==0] = CreateHardLinkW
+//sys GetCurrentThreadId() (id uint32)
+//sys CreateEvent(eventAttrs *syscall.SecurityAttributes, manualReset
uint32, initialState uint32, name *uint16) (handle Handle, err error) =
kernel32.CreateEventW
+//sys SetEvent(event Handle) (err error) = kernel32.SetEvent
// syscall interface implementation for other packages
diff --git a/windows/zsyscall_windows.go b/windows/zsyscall_windows.go
index a0bcfa1..cec5d5a 100644
--- a/windows/zsyscall_windows.go
+++ b/windows/zsyscall_windows.go
@@ -8,8 +8,8 @@
var _ unsafe.Pointer
var (
- modkernel32 = syscall.NewLazyDLL("kernel32.dll")
modadvapi32 = syscall.NewLazyDLL("advapi32.dll")
+ modkernel32 = syscall.NewLazyDLL("kernel32.dll")
modshell32 = syscall.NewLazyDLL("shell32.dll")
modmswsock = syscall.NewLazyDLL("mswsock.dll")
modcrypt32 = syscall.NewLazyDLL("crypt32.dll")
@@ -20,6 +20,23 @@
modnetapi32 = syscall.NewLazyDLL("netapi32.dll")
moduserenv = syscall.NewLazyDLL("userenv.dll")
+ procRegisterEventSourceW =
modadvapi32.NewProc("RegisterEventSourceW")
+ procDeregisterEventSource =
modadvapi32.NewProc("DeregisterEventSource")
+ procReportEventW =
modadvapi32.NewProc("ReportEventW")
+ procOpenSCManagerW =
modadvapi32.NewProc("OpenSCManagerW")
+ procCloseServiceHandle =
modadvapi32.NewProc("CloseServiceHandle")
+ procCreateServiceW =
modadvapi32.NewProc("CreateServiceW")
+ procOpenServiceW =
modadvapi32.NewProc("OpenServiceW")
+ procDeleteService =
modadvapi32.NewProc("DeleteService")
+ procStartServiceW =
modadvapi32.NewProc("StartServiceW")
+ procQueryServiceStatus =
modadvapi32.NewProc("QueryServiceStatus")
+ procControlService =
modadvapi32.NewProc("ControlService")
+ procStartServiceCtrlDispatcherW =
modadvapi32.NewProc("StartServiceCtrlDispatcherW")
+ procSetServiceStatus =
modadvapi32.NewProc("SetServiceStatus")
+ procChangeServiceConfigW =
modadvapi32.NewProc("ChangeServiceConfigW")
+ procQueryServiceConfigW =
modadvapi32.NewProc("QueryServiceConfigW")
+ procChangeServiceConfig2W =
modadvapi32.NewProc("ChangeServiceConfig2W")
+ procQueryServiceConfig2W =
modadvapi32.NewProc("QueryServiceConfig2W")
procGetLastError =
modkernel32.NewProc("GetLastError")
procLoadLibraryW =
modkernel32.NewProc("LoadLibraryW")
procFreeLibrary =
modkernel32.NewProc("FreeLibrary")
@@ -117,6 +134,9 @@
procDeviceIoControl =
modkernel32.NewProc("DeviceIoControl")
procCreateSymbolicLinkW =
modkernel32.NewProc("CreateSymbolicLinkW")
procCreateHardLinkW =
modkernel32.NewProc("CreateHardLinkW")
+ procGetCurrentThreadId =
modkernel32.NewProc("GetCurrentThreadId")
+ procCreateEventW =
modkernel32.NewProc("CreateEventW")
+ procSetEvent = modkernel32.NewProc("SetEvent")
procWSAStartup = modws2_32.NewProc("WSAStartup")
procWSACleanup = modws2_32.NewProc("WSACleanup")
procWSAIoctl = modws2_32.NewProc("WSAIoctl")
@@ -160,10 +180,221 @@
procConvertStringSidToSidW =
modadvapi32.NewProc("ConvertStringSidToSidW")
procGetLengthSid =
modadvapi32.NewProc("GetLengthSid")
procCopySid = modadvapi32.NewProc("CopySid")
+ procAllocateAndInitializeSid =
modadvapi32.NewProc("AllocateAndInitializeSid")
+ procFreeSid = modadvapi32.NewProc("FreeSid")
+ procEqualSid = modadvapi32.NewProc("EqualSid")
procOpenProcessToken =
modadvapi32.NewProc("OpenProcessToken")
procGetTokenInformation =
modadvapi32.NewProc("GetTokenInformation")
procGetUserProfileDirectoryW =
moduserenv.NewProc("GetUserProfileDirectoryW")
)
+
+func RegisterEventSource(uncServerName *uint16, sourceName *uint16)
(handle Handle, err error) {
+ r0, _, e1 := syscall.Syscall(procRegisterEventSourceW.Addr(), 2,
uintptr(unsafe.Pointer(uncServerName)),
uintptr(unsafe.Pointer(sourceName)), 0)
+ handle = Handle(r0)
+ if handle == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func DeregisterEventSource(handle Handle) (err error) {
+ r1, _, e1 := syscall.Syscall(procDeregisterEventSource.Addr(), 1,
uintptr(handle), 0, 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func ReportEvent(log Handle, etype uint16, category uint16, eventId
uint32, usrSId uintptr, numStrings uint16, dataSize uint32, strings
**uint16, rawData *byte) (err error) {
+ r1, _, e1 := syscall.Syscall9(procReportEventW.Addr(), 9, uintptr(log),
uintptr(etype), uintptr(category), uintptr(eventId), uintptr(usrSId),
uintptr(numStrings), uintptr(dataSize), uintptr(unsafe.Pointer(strings)),
uintptr(unsafe.Pointer(rawData)))
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func OpenSCManager(machineName *uint16, databaseName *uint16, access
uint32) (handle Handle, err error) {
+ r0, _, e1 := syscall.Syscall(procOpenSCManagerW.Addr(), 3,
uintptr(unsafe.Pointer(machineName)),
uintptr(unsafe.Pointer(databaseName)), uintptr(access))
+ handle = Handle(r0)
+ if handle == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func CloseServiceHandle(handle Handle) (err error) {
+ r1, _, e1 := syscall.Syscall(procCloseServiceHandle.Addr(), 1,
uintptr(handle), 0, 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func CreateService(mgr Handle, serviceName *uint16, displayName *uint16,
access uint32, srvType uint32, startType uint32, errCtl uint32, pathName
*uint16, loadOrderGroup *uint16, tagId *uint32, dependencies *uint16,
serviceStartName *uint16, password *uint16) (handle Handle, err error) {
+ r0, _, e1 := syscall.Syscall15(procCreateServiceW.Addr(), 13,
uintptr(mgr), uintptr(unsafe.Pointer(serviceName)),
uintptr(unsafe.Pointer(displayName)), uintptr(access), uintptr(srvType),
uintptr(startType), uintptr(errCtl), uintptr(unsafe.Pointer(pathName)),
uintptr(unsafe.Pointer(loadOrderGroup)), uintptr(unsafe.Pointer(tagId)),
uintptr(unsafe.Pointer(dependencies)),
uintptr(unsafe.Pointer(serviceStartName)),
uintptr(unsafe.Pointer(password)), 0, 0)
+ handle = Handle(r0)
+ if handle == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func OpenService(mgr Handle, serviceName *uint16, access uint32) (handle
Handle, err error) {
+ r0, _, e1 := syscall.Syscall(procOpenServiceW.Addr(), 3, uintptr(mgr),
uintptr(unsafe.Pointer(serviceName)), uintptr(access))
+ handle = Handle(r0)
+ if handle == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func DeleteService(service Handle) (err error) {
+ r1, _, e1 := syscall.Syscall(procDeleteService.Addr(), 1,
uintptr(service), 0, 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func StartService(service Handle, numArgs uint32, argVectors **uint16)
(err error) {
+ r1, _, e1 := syscall.Syscall(procStartServiceW.Addr(), 3,
uintptr(service), uintptr(numArgs), uintptr(unsafe.Pointer(argVectors)))
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func QueryServiceStatus(service Handle, status *SERVICE_STATUS) (err
error) {
+ r1, _, e1 := syscall.Syscall(procQueryServiceStatus.Addr(), 2,
uintptr(service), uintptr(unsafe.Pointer(status)), 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func ControlService(service Handle, control uint32, status
*SERVICE_STATUS) (err error) {
+ r1, _, e1 := syscall.Syscall(procControlService.Addr(), 3,
uintptr(service), uintptr(control), uintptr(unsafe.Pointer(status)))
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func StartServiceCtrlDispatcher(serviceTable *SERVICE_TABLE_ENTRY) (err
error) {
+ r1, _, e1 := syscall.Syscall(procStartServiceCtrlDispatcherW.Addr(), 1,
uintptr(unsafe.Pointer(serviceTable)), 0, 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func SetServiceStatus(service Handle, serviceStatus *SERVICE_STATUS) (err
error) {
+ r1, _, e1 := syscall.Syscall(procSetServiceStatus.Addr(), 2,
uintptr(service), uintptr(unsafe.Pointer(serviceStatus)), 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func ChangeServiceConfig(service Handle, serviceType uint32, startType
uint32, errorControl uint32, binaryPathName *uint16, loadOrderGroup
*uint16, tagId *uint32, dependencies *uint16, serviceStartName *uint16,
password *uint16, displayName *uint16) (err error) {
+ r1, _, e1 := syscall.Syscall12(procChangeServiceConfigW.Addr(), 11,
uintptr(service), uintptr(serviceType), uintptr(startType),
uintptr(errorControl), uintptr(unsafe.Pointer(binaryPathName)),
uintptr(unsafe.Pointer(loadOrderGroup)), uintptr(unsafe.Pointer(tagId)),
uintptr(unsafe.Pointer(dependencies)),
uintptr(unsafe.Pointer(serviceStartName)),
uintptr(unsafe.Pointer(password)), uintptr(unsafe.Pointer(displayName)), 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func QueryServiceConfig(service Handle, serviceConfig
*QUERY_SERVICE_CONFIG, bufSize uint32, bytesNeeded *uint32) (err error) {
+ r1, _, e1 := syscall.Syscall6(procQueryServiceConfigW.Addr(), 4,
uintptr(service), uintptr(unsafe.Pointer(serviceConfig)), uintptr(bufSize),
uintptr(unsafe.Pointer(bytesNeeded)), 0, 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func ChangeServiceConfig2(service Handle, infoLevel uint32, info *byte)
(err error) {
+ r1, _, e1 := syscall.Syscall(procChangeServiceConfig2W.Addr(), 3,
uintptr(service), uintptr(infoLevel), uintptr(unsafe.Pointer(info)))
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func QueryServiceConfig2(service Handle, infoLevel uint32, buff *byte,
buffSize uint32, bytesNeeded *uint32) (err error) {
+ r1, _, e1 := syscall.Syscall6(procQueryServiceConfig2W.Addr(), 5,
uintptr(service), uintptr(infoLevel), uintptr(unsafe.Pointer(buff)),
uintptr(buffSize), uintptr(unsafe.Pointer(bytesNeeded)), 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
func GetLastError() (lasterr error) {
r0, _, _ := syscall.Syscall(procGetLastError.Addr(), 0, 0, 0, 0)
@@ -1357,6 +1588,37 @@
return
}
+func GetCurrentThreadId() (id uint32) {
+ r0, _, _ := syscall.Syscall(procGetCurrentThreadId.Addr(), 0, 0, 0, 0)
+ id = uint32(r0)
+ return
+}
+
+func CreateEvent(eventAttrs *syscall.SecurityAttributes, manualReset
uint32, initialState uint32, name *uint16) (handle Handle, err error) {
+ r0, _, e1 := syscall.Syscall6(procCreateEventW.Addr(), 4,
uintptr(unsafe.Pointer(eventAttrs)), uintptr(manualReset),
uintptr(initialState), uintptr(unsafe.Pointer(name)), 0, 0)
+ handle = Handle(r0)
+ if handle == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func SetEvent(event Handle) (err error) {
+ r1, _, e1 := syscall.Syscall(procSetEvent.Addr(), 1, uintptr(event), 0, 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
func WSAStartup(verreq uint32, data *WSAData) (sockerr error) {
r0, _, _ := syscall.Syscall(procWSAStartup.Addr(), 2, uintptr(verreq),
uintptr(unsafe.Pointer(data)), 0)
if r0 != 0 {
@@ -1848,6 +2110,36 @@
return
}
+func AllocateAndInitializeSid(identAuth *SidIdentifierAuthority, subAuth
byte, subAuth0 uint32, subAuth1 uint32, subAuth2 uint32, subAuth3 uint32,
subAuth4 uint32, subAuth5 uint32, subAuth6 uint32, subAuth7 uint32, sid
**SID) (err error) {
+ r1, _, e1 := syscall.Syscall12(procAllocateAndInitializeSid.Addr(), 11,
uintptr(unsafe.Pointer(identAuth)), uintptr(subAuth), uintptr(subAuth0),
uintptr(subAuth1), uintptr(subAuth2), uintptr(subAuth3), uintptr(subAuth4),
uintptr(subAuth5), uintptr(subAuth6), uintptr(subAuth7),
uintptr(unsafe.Pointer(sid)), 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func FreeSid(sid *SID) (err error) {
+ r1, _, e1 := syscall.Syscall(procFreeSid.Addr(), 1,
uintptr(unsafe.Pointer(sid)), 0, 0)
+ if r1 != 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func EqualSid(sid1 *SID, sid2 *SID) (isEqual bool) {
+ r0, _, _ := syscall.Syscall(procEqualSid.Addr(), 2,
uintptr(unsafe.Pointer(sid1)), uintptr(unsafe.Pointer(sid2)), 0)
+ isEqual = r0 != 0
+ return
+}
+
func OpenProcessToken(h Handle, access uint32, token *Token) (err error) {
r1, _, e1 := syscall.Syscall(procOpenProcessToken.Addr(), 3, uintptr(h),
uintptr(access), uintptr(unsafe.Pointer(token)))
if r1 == 0 {
diff --git a/windows/ztypes_windows.go b/windows/ztypes_windows.go
index ee669ab..ea600f6 100644
--- a/windows/ztypes_windows.go
+++ b/windows/ztypes_windows.go
@@ -8,27 +8,28 @@
const (
// Windows errors.
- ERROR_FILE_NOT_FOUND syscall.Errno = 2
- ERROR_PATH_NOT_FOUND syscall.Errno = 3
- ERROR_ACCESS_DENIED syscall.Errno = 5
- ERROR_NO_MORE_FILES syscall.Errno = 18
- ERROR_HANDLE_EOF syscall.Errno = 38
- ERROR_NETNAME_DELETED syscall.Errno = 64
- ERROR_FILE_EXISTS syscall.Errno = 80
- ERROR_BROKEN_PIPE syscall.Errno = 109
- ERROR_BUFFER_OVERFLOW syscall.Errno = 111
- ERROR_INSUFFICIENT_BUFFER syscall.Errno = 122
- ERROR_MOD_NOT_FOUND syscall.Errno = 126
- ERROR_PROC_NOT_FOUND syscall.Errno = 127
- ERROR_ALREADY_EXISTS syscall.Errno = 183
- ERROR_ENVVAR_NOT_FOUND syscall.Errno = 203
- ERROR_MORE_DATA syscall.Errno = 234
- ERROR_OPERATION_ABORTED syscall.Errno = 995
- ERROR_IO_PENDING syscall.Errno = 997
- ERROR_NOT_FOUND syscall.Errno = 1168
- ERROR_PRIVILEGE_NOT_HELD syscall.Errno = 1314
- WSAEACCES syscall.Errno = 10013
- WSAECONNRESET syscall.Errno = 10054
+ ERROR_FILE_NOT_FOUND syscall.Errno = 2
+ ERROR_PATH_NOT_FOUND syscall.Errno = 3
+ ERROR_ACCESS_DENIED syscall.Errno = 5
+ ERROR_NO_MORE_FILES syscall.Errno = 18
+ ERROR_HANDLE_EOF syscall.Errno = 38
+ ERROR_NETNAME_DELETED syscall.Errno = 64
+ ERROR_FILE_EXISTS syscall.Errno = 80
+ ERROR_BROKEN_PIPE syscall.Errno = 109
+ ERROR_BUFFER_OVERFLOW syscall.Errno = 111
+ ERROR_INSUFFICIENT_BUFFER syscall.Errno = 122
+ ERROR_MOD_NOT_FOUND syscall.Errno = 126
+ ERROR_PROC_NOT_FOUND syscall.Errno = 127
+ ERROR_ALREADY_EXISTS syscall.Errno = 183
+ ERROR_ENVVAR_NOT_FOUND syscall.Errno = 203
+ ERROR_MORE_DATA syscall.Errno = 234
+ ERROR_OPERATION_ABORTED syscall.Errno = 995
+ ERROR_IO_PENDING syscall.Errno = 997
+ ERROR_SERVICE_SPECIFIC_ERROR syscall.Errno = 1066
+ ERROR_NOT_FOUND syscall.Errno = 1168
+ ERROR_PRIVILEGE_NOT_HELD syscall.Errno = 1314
+ WSAEACCES syscall.Errno = 10013
+ WSAECONNRESET syscall.Errno = 10054
)
const (
--
https://go-review.googlesource.com/9104