From 42f28ab8e374137fe3f5d25424489d879d4724f8 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Wed, 21 Jun 2017 19:06:17 -0700 Subject: Updating server dependancies (#6712) --- vendor/golang.org/x/sys/windows/svc/mgr/mgr.go | 47 ++++++++++++++++++++++++-- 1 file changed, 45 insertions(+), 2 deletions(-) (limited to 'vendor/golang.org/x/sys/windows/svc/mgr/mgr.go') diff --git a/vendor/golang.org/x/sys/windows/svc/mgr/mgr.go b/vendor/golang.org/x/sys/windows/svc/mgr/mgr.go index da8ceb6ed..76965b560 100644 --- a/vendor/golang.org/x/sys/windows/svc/mgr/mgr.go +++ b/vendor/golang.org/x/sys/windows/svc/mgr/mgr.go @@ -14,6 +14,7 @@ package mgr import ( "syscall" "unicode/utf16" + "unsafe" "golang.org/x/sys/windows" ) @@ -76,8 +77,10 @@ func toStringBlock(ss []string) *uint16 { // 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. +// 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 @@ -117,3 +120,43 @@ func (m *Mgr) OpenService(name string) (*Service, error) { } 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 +} -- cgit v1.2.3-1-g7c22