From 38ee83e45b4de7edf89bf9f0ef629eb4c6ad0fa8 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Thu, 12 May 2016 23:56:07 -0400 Subject: Moving to glide --- vendor/golang.org/x/sys/windows/svc/mgr/config.go | 139 +++++++++++++++++++ vendor/golang.org/x/sys/windows/svc/mgr/mgr.go | 119 ++++++++++++++++ .../golang.org/x/sys/windows/svc/mgr/mgr_test.go | 154 +++++++++++++++++++++ vendor/golang.org/x/sys/windows/svc/mgr/service.go | 74 ++++++++++ 4 files changed, 486 insertions(+) create mode 100644 vendor/golang.org/x/sys/windows/svc/mgr/config.go create mode 100644 vendor/golang.org/x/sys/windows/svc/mgr/mgr.go create mode 100644 vendor/golang.org/x/sys/windows/svc/mgr/mgr_test.go create mode 100644 vendor/golang.org/x/sys/windows/svc/mgr/service.go (limited to 'vendor/golang.org/x/sys/windows/svc/mgr') diff --git a/vendor/golang.org/x/sys/windows/svc/mgr/config.go b/vendor/golang.org/x/sys/windows/svc/mgr/config.go new file mode 100644 index 000000000..0a6edba4f --- /dev/null +++ b/vendor/golang.org/x/sys/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 // fully qualified path to the service binary file, can also include arguments for an auto-start service + 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/vendor/golang.org/x/sys/windows/svc/mgr/mgr.go b/vendor/golang.org/x/sys/windows/svc/mgr/mgr.go new file mode 100644 index 000000000..da8ceb6ed --- /dev/null +++ b/vendor/golang.org/x/sys/windows/svc/mgr/mgr.go @@ -0,0 +1,119 @@ +// 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. +// If service StartType is set to StartAutomatic, +// args will be passed to svc.Handle.Execute. +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 +} diff --git a/vendor/golang.org/x/sys/windows/svc/mgr/mgr_test.go b/vendor/golang.org/x/sys/windows/svc/mgr/mgr_test.go new file mode 100644 index 000000000..78be970c0 --- /dev/null +++ b/vendor/golang.org/x/sys/windows/svc/mgr/mgr_test.go @@ -0,0 +1,154 @@ +// 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" + "syscall" + "testing" + "time" + + "golang.org/x/sys/windows/svc/mgr" +) + +func TestOpenLanManServer(t *testing.T) { + m, err := mgr.Connect() + if err != nil { + if errno, ok := err.(syscall.Errno); ok && errno == syscall.ERROR_ACCESS_DENIED { + t.Skip("Skipping test: we don't have rights to manage services.") + } + 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 { + if errno, ok := err.(syscall.Errno); ok && errno == syscall.ERROR_ACCESS_DENIED { + t.Skip("Skipping test: we don't have rights to manage services.") + } + 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/vendor/golang.org/x/sys/windows/svc/mgr/service.go b/vendor/golang.org/x/sys/windows/svc/mgr/service.go new file mode 100644 index 000000000..465f3c3d2 --- /dev/null +++ b/vendor/golang.org/x/sys/windows/svc/mgr/service.go @@ -0,0 +1,74 @@ +// 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. +// args will be passed to svc.Handler.Execute. +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 +} -- cgit v1.2.3-1-g7c22