mirror of
https://github.com/caddyserver/caddy.git
synced 2024-12-27 06:03:48 +03:00
37 lines
1.4 KiB
Go
37 lines
1.4 KiB
Go
|
// Copyright 2015 Matthew Holt and The Caddy Authors
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package caddycmd
|
||
|
|
|
||
|
|
import (
|
||
|
|
"os"
|
||
|
|
"path/filepath"
|
||
|
|
"syscall"
|
||
|
|
)
|
||
|
|
|
||
|
|
// removeCaddyBinary removes the Caddy binary at the given path.
|
||
|
|
//
|
||
|
|
// On Windows, this uses a syscall to indirectly remove the file,
|
||
|
|
// because otherwise we get an "Access is denied." error when trying
|
||
|
|
// to delete the binary while Caddy is still running and performing
|
||
|
|
// the upgrade. "cmd.exe /C" executes a command specified by the
|
||
|
|
// following arguments, i.e. "del" which will run as a separate process,
|
||
|
|
// which avoids the "Access is denied." error.
|
||
|
|
func removeCaddyBinary(path string) error {
|
||
|
|
var sI syscall.StartupInfo
|
||
|
|
var pI syscall.ProcessInformation
|
||
|
|
argv := syscall.StringToUTF16Ptr(filepath.Join(os.Getenv("windir"), "system32", "cmd.exe") + " /C del " + path)
|
||
|
|
return syscall.CreateProcess(nil, argv, nil, nil, true, 0, nil, nil, &sI, &pI)
|
||
|
|
}
|