Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Mirrored from https://github.com/Slazee/caddy.git
Synced Nov 10, 23:45 UTC
| 1 | // Copyright 2015 Matthew Holt and The Caddy Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package caddycmd |
| 16 | |
| 17 | import ( |
| 18 | "os" |
| 19 | "path/filepath" |
| 20 | "syscall" |
| 21 | ) |
| 22 | |
| 23 | // removeCaddyBinary removes the Caddy binary at the given path. |
| 24 | // |
| 25 | // On Windows, this uses a syscall to indirectly remove the file, |
| 26 | // because otherwise we get an "Access is denied." error when trying |
| 27 | // to delete the binary while Caddy is still running and performing |
| 28 | // the upgrade. "cmd.exe /C" executes a command specified by the |
| 29 | // following arguments, i.e. "del" which will run as a separate process, |
| 30 | // which avoids the "Access is denied." error. |
| 31 | func removeCaddyBinary(path string) error { |
| 32 | var sI syscall.StartupInfo |
| 33 | var pI syscall.ProcessInformation |
| 34 | argv, err := syscall.UTF16PtrFromString(filepath.Join(os.Getenv("windir"), "system32", "cmd.exe") + " /C del " + path) |
| 35 | if err != nil { |
| 36 | return err |
| 37 | } |
| 38 | return syscall.CreateProcess(nil, argv, nil, nil, true, 0, nil, nil, &sI, &pI) |
| 39 | } |