unveil.go (view raw)
1//
2// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
3//
4// Permission to use, copy, modify, and distribute this software for any
5// purpose with or without fee is hereby granted, provided that the above
6// copyright notice and this permission notice appear in all copies.
7//
8// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15
16package main
17
18import (
19 "humungus.tedunangst.com/r/pledge"
20)
21
22func securitizeweb() {
23 err := pledge.Unveil("/etc/ssl", "r")
24 if err != nil {
25 elog.Fatalf("unveil(%s, %s) failure (%d)", "/etc/ssl", "r", err)
26 }
27 if viewDir != dataDir {
28 err = pledge.Unveil(viewDir, "r")
29 if err != nil {
30 elog.Fatalf("unveil(%s, %s) failure (%d)", viewDir, "r", err)
31 }
32 }
33 err = pledge.Unveil(dataDir, "rwc")
34 if err != nil {
35 elog.Fatalf("unveil(%s, %s) failure (%d)", dataDir, "rwc", err)
36 }
37 pledge.UnveilEnd()
38 promises := "stdio rpath wpath cpath flock dns inet unix"
39 err = pledge.Pledge(promises)
40 if err != nil {
41 elog.Fatalf("pledge(%s) failure (%d)", promises, err)
42 }
43}
44
45func securitizebackend() {
46 pledge.UnveilEnd()
47 promises := "stdio unix"
48 err := pledge.Pledge(promises)
49 if err != nil {
50 elog.Fatalf("pledge(%s) failure (%d)", promises, err)
51 }
52}