diff options
Diffstat (limited to 'vendor/golang.org/x/sys/windows/svc/mgr/mgr.go')
-rw-r--r-- | vendor/golang.org/x/sys/windows/svc/mgr/mgr.go | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/vendor/golang.org/x/sys/windows/svc/mgr/mgr.go b/vendor/golang.org/x/sys/windows/svc/mgr/mgr.go deleted file mode 100644 index 76965b560..000000000 --- a/vendor/golang.org/x/sys/windows/svc/mgr/mgr.go +++ /dev/null @@ -1,162 +0,0 @@ -// 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" - "unsafe" - - "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. -// Any args will be passed as command-line arguments when -// the service is started; these arguments are distinct from -// the arguments passed to Service.Start or via the "Start -// parameters" field in the service's Properties dialog box. -func (m *Mgr) CreateService(name, exepath string, c Config, args ...string) (*Service, error) { - if c.StartType == 0 { - c.StartType = StartManual - } - if c.ErrorControl == 0 { - c.ErrorControl = ErrorNormal - } - if c.ServiceType == 0 { - c.ServiceType = windows.SERVICE_WIN32_OWN_PROCESS - } - s := syscall.EscapeArg(exepath) - for _, v := range args { - s += " " + syscall.EscapeArg(v) - } - h, err := windows.CreateService(m.Handle, toPtr(name), toPtr(c.DisplayName), - windows.SERVICE_ALL_ACCESS, c.ServiceType, - c.StartType, c.ErrorControl, toPtr(s), 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 -} - -// ListServices enumerates services in the specified -// service control manager database m. -// If the caller does not have the SERVICE_QUERY_STATUS -// access right to a service, the service is silently -// omitted from the list of services returned. -func (m *Mgr) ListServices() ([]string, error) { - var err error - var bytesNeeded, servicesReturned uint32 - var buf []byte - for { - var p *byte - if len(buf) > 0 { - p = &buf[0] - } - err = windows.EnumServicesStatusEx(m.Handle, windows.SC_ENUM_PROCESS_INFO, - windows.SERVICE_WIN32, windows.SERVICE_STATE_ALL, - p, uint32(len(buf)), &bytesNeeded, &servicesReturned, nil, nil) - if err == nil { - break - } - if err != syscall.ERROR_MORE_DATA { - return nil, err - } - if bytesNeeded <= uint32(len(buf)) { - return nil, err - } - buf = make([]byte, bytesNeeded) - } - if servicesReturned == 0 { - return nil, nil - } - services := (*[1 << 20]windows.ENUM_SERVICE_STATUS_PROCESS)(unsafe.Pointer(&buf[0]))[:servicesReturned] - var names []string - for _, s := range services { - name := syscall.UTF16ToString((*[1 << 20]uint16)(unsafe.Pointer(s.ServiceName))[:]) - names = append(names, name) - } - return names, nil -} |