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windows/svc/mgr: add Mgr.ListServices

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Add API to list services installed on the system.

Fixes golang/go#20596

Change-Id: Ifa2f20ef15ccb962bd21d03788ce931dd45f2630
Reviewed-on: https://go-review.googlesource.com/45711
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Alex Brainman
2017-06-15 05:32:24 +00:00
parent 0b25a408a5
commit fb4cac33e3
5 changed files with 90 additions and 2 deletions
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windows/zsyscall_windows.go
+13
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@@ -64,6 +64,7 @@ var (
procQueryServiceConfigW = modadvapi32.NewProc("QueryServiceConfigW")
procChangeServiceConfig2W = modadvapi32.NewProc("ChangeServiceConfig2W")
procQueryServiceConfig2W = modadvapi32.NewProc("QueryServiceConfig2W")
procEnumServicesStatusExW = modadvapi32.NewProc("EnumServicesStatusExW")
procGetLastError = modkernel32.NewProc("GetLastError")
procLoadLibraryW = modkernel32.NewProc("LoadLibraryW")
procLoadLibraryExW = modkernel32.NewProc("LoadLibraryExW")
@@ -430,6 +431,18 @@ func QueryServiceConfig2(service Handle, infoLevel uint32, buff *byte, buffSize
return
}
func EnumServicesStatusEx(mgr Handle, infoLevel uint32, serviceType uint32, serviceState uint32, services *byte, bufSize uint32, bytesNeeded *uint32, servicesReturned *uint32, resumeHandle *uint32, groupName *uint16) (err error) {
r1, _, e1 := syscall.Syscall12(procEnumServicesStatusExW.Addr(), 10, uintptr(mgr), uintptr(infoLevel), uintptr(serviceType), uintptr(serviceState), uintptr(unsafe.Pointer(services)), uintptr(bufSize), uintptr(unsafe.Pointer(bytesNeeded)), uintptr(unsafe.Pointer(servicesReturned)), uintptr(unsafe.Pointer(resumeHandle)), uintptr(unsafe.Pointer(groupName)), 0, 0)
if r1 == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func GetLastError() (lasterr error) {
r0, _, _ := syscall.Syscall(procGetLastError.Addr(), 0, 0, 0, 0)
if r0 != 0 {