Jorge Lucangeli Obes | ad43cc6 | 2012-04-11 16:25:43 -0700 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "shill/minijail.h" |
| 6 | |
| 7 | using std::vector; |
| 8 | |
| 9 | namespace shill { |
| 10 | |
| 11 | static base::LazyInstance<Minijail> g_minijail = LAZY_INSTANCE_INITIALIZER; |
| 12 | |
| 13 | Minijail::Minijail() {} |
| 14 | |
| 15 | Minijail::~Minijail() {} |
| 16 | |
| 17 | // static |
| 18 | Minijail *Minijail::GetInstance() { |
| 19 | return g_minijail.Pointer(); |
| 20 | } |
| 21 | |
| 22 | struct minijail *Minijail::New() { |
| 23 | return minijail_new(); |
| 24 | } |
| 25 | |
| 26 | void Minijail::Destroy(struct minijail *jail) { |
| 27 | minijail_destroy(jail); |
| 28 | } |
| 29 | |
| 30 | bool Minijail::DropRoot(struct minijail *jail, const char *user) { |
| 31 | // |user| is copied so the only reason either of these calls can fail |
| 32 | // is ENOMEM. |
| 33 | return !minijail_change_user(jail, user) && |
| 34 | !minijail_change_group(jail, user); |
| 35 | } |
| 36 | |
| 37 | void Minijail::UseCapabilities(struct minijail *jail, uint64_t capmask) { |
| 38 | minijail_use_caps(jail, capmask); |
| 39 | } |
| 40 | |
| 41 | bool Minijail::Run(struct minijail *jail, |
| 42 | vector<char *> args, pid_t *pid) { |
| 43 | return minijail_run_pid(jail, args[0], args.data(), pid) == 0; |
| 44 | } |
| 45 | |
Jorge Lucangeli Obes | 8c1706f | 2012-08-30 15:30:48 -0700 | [diff] [blame] | 46 | bool Minijail::RunPipe(struct minijail *jail, |
| 47 | vector<char *> args, pid_t *pid, int *stdin) { |
| 48 | return minijail_run_pid_pipe(jail, args[0], args.data(), pid, stdin) == 0; |
| 49 | } |
| 50 | |
Jorge Lucangeli Obes | ad43cc6 | 2012-04-11 16:25:43 -0700 | [diff] [blame] | 51 | bool Minijail::RunAndDestroy(struct minijail *jail, |
| 52 | vector<char *> args, pid_t *pid) { |
| 53 | bool res = Run(jail, args, pid); |
| 54 | Destroy(jail); |
| 55 | return res; |
| 56 | } |
| 57 | |
Jorge Lucangeli Obes | 8c1706f | 2012-08-30 15:30:48 -0700 | [diff] [blame] | 58 | bool Minijail::RunPipeAndDestroy(struct minijail *jail, |
| 59 | vector<char *> args, pid_t *pid, int *stdin) { |
| 60 | bool res = RunPipe(jail, args, pid, stdin); |
| 61 | Destroy(jail); |
| 62 | return res; |
| 63 | } |
| 64 | |
Jorge Lucangeli Obes | ad43cc6 | 2012-04-11 16:25:43 -0700 | [diff] [blame] | 65 | } // namespace shill |