Files
external-snapshotter/vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go
Andi Li 42b6b374cf Add phase 1 of validation tightening.
https://github.com/kubernetes/enhancements/blob/master/keps/sig-storage/177-volume-snapshot/tighten-validation-webhook-crd.md

1. Ratcheting validation webhook server image
2. Controller labels invalid objects
3. Unit tests for webhook
4. Deployment README and example deployment method with certs
5. Update top-level README

Racheting validation:
1. webhook is strict on create
2. webhook is strict on updates where the existing object passes strict validation
3. webhook is relaxed on updates where the existing object fails strict validation (allows finalizer removal, status update, deletion, etc)

Additionally the validating wehook server will perform immutability
checks on scenario 2 above.
2020-08-27 20:34:21 -04:00

47 lines
1.2 KiB
Go

// +build windows
// +build go1.4
package mousetrap
import (
"os"
"syscall"
"unsafe"
)
func getProcessEntry(pid int) (*syscall.ProcessEntry32, error) {
snapshot, err := syscall.CreateToolhelp32Snapshot(syscall.TH32CS_SNAPPROCESS, 0)
if err != nil {
return nil, err
}
defer syscall.CloseHandle(snapshot)
var procEntry syscall.ProcessEntry32
procEntry.Size = uint32(unsafe.Sizeof(procEntry))
if err = syscall.Process32First(snapshot, &procEntry); err != nil {
return nil, err
}
for {
if procEntry.ProcessID == uint32(pid) {
return &procEntry, nil
}
err = syscall.Process32Next(snapshot, &procEntry)
if err != nil {
return nil, err
}
}
}
// StartedByExplorer returns true if the program was invoked by the user double-clicking
// on the executable from explorer.exe
//
// It is conservative and returns false if any of the internal calls fail.
// It does not guarantee that the program was run from a terminal. It only can tell you
// whether it was launched from explorer.exe
func StartedByExplorer() bool {
pe, err := getProcessEntry(os.Getppid())
if err != nil {
return false
}
return "explorer.exe" == syscall.UTF16ToString(pe.ExeFile[:])
}