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windows: allow querying service ProcessId

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The two functions have the same levels of compatibility, but this latter
one gives us access to the process ID, which is important for things
like WFP whitelisting. The change required is fairly trivial too.

Change-Id: Ifb6b3ee3e897202b9cffa1388c53c25cbcfede61
Reviewed-on: https://go-review.googlesource.com/c/sys/+/173666
Run-TryBot: Jason Donenfeld <Jason@zx2c4.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Jason A. Donenfeld
2019-04-25 14:56:19 +00:00
committed by Brad Fitzpatrick
parent 9f0b1ff7b4
commit 1607263960
2 changed files with 8 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
windows/svc/mgr/service.go
+7 -4
View File
@@ -8,6 +8,7 @@ package mgr
import ( import (
"syscall" "syscall"
"unsafe"
"golang.org/x/sys/windows" "golang.org/x/sys/windows"
"golang.org/x/sys/windows/svc" "golang.org/x/sys/windows/svc"
@@ -60,13 +61,15 @@ func (s *Service) Control(c svc.Cmd) (svc.Status, error) {
// Query returns current status of service s. // Query returns current status of service s.
func (s *Service) Query() (svc.Status, error) { func (s *Service) Query() (svc.Status, error) {
var t windows.SERVICE_STATUS var t windows.SERVICE_STATUS_PROCESS
err := windows.QueryServiceStatus(s.Handle, &t) var needed uint32
err := windows.QueryServiceStatusEx(s.Handle, windows.SC_STATUS_PROCESS_INFO, (*byte)(unsafe.Pointer(&t)), uint32(unsafe.Sizeof(t)), &needed)
if err != nil { if err != nil {
return svc.Status{}, err return svc.Status{}, err
} }
return svc.Status{ return svc.Status{
State: svc.State(t.CurrentState), State: svc.State(t.CurrentState),
Accepts: svc.Accepted(t.ControlsAccepted), Accepts: svc.Accepted(t.ControlsAccepted),
ProcessId: t.ProcessId,
}, nil }, nil
} }
windows/svc/service.go
+1
View File
@@ -72,6 +72,7 @@ type Status struct {
Accepts Accepted Accepts Accepted
CheckPoint uint32 // used to report progress during a lengthy operation CheckPoint uint32 // used to report progress during a lengthy operation
WaitHint uint32 // estimated time required for a pending operation, in milliseconds WaitHint uint32 // estimated time required for a pending operation, in milliseconds
ProcessId uint32
} }
// ChangeRequest is sent to the service Handler to request service status change. // ChangeRequest is sent to the service Handler to request service status change.