Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / content / common / sandbox_linux / bpf_renderer_policy_linux.cc
1 // Copyright 2013 The Chromium 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 "content/common/sandbox_linux/bpf_renderer_policy_linux.h"
6
7 #include <errno.h>
8
9 #include "base/basictypes.h"
10 #include "build/build_config.h"
11 #include "content/common/sandbox_linux/sandbox_linux.h"
12 #include "sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h"
13 #include "sandbox/linux/seccomp-bpf-helpers/syscall_sets.h"
14 #include "sandbox/linux/seccomp-bpf/sandbox_bpf_policy.h"
15 #include "sandbox/linux/services/linux_syscalls.h"
16
17 using sandbox::SyscallSets;
18
19 namespace content {
20
21 RendererProcessPolicy::RendererProcessPolicy() {}
22 RendererProcessPolicy::~RendererProcessPolicy() {}
23
24 ErrorCode RendererProcessPolicy::EvaluateSyscall(SandboxBPF* sandbox,
25                                                  int sysno) const {
26   switch (sysno) {
27     case __NR_ioctl:
28       return sandbox::RestrictIoctl(sandbox);
29     case __NR_prctl:
30       return sandbox::RestrictPrctl(sandbox);
31     // Allow the system calls below.
32     // The baseline policy allows __NR_clock_gettime. Allow
33     // clock_getres() for V8. crbug.com/329053.
34     case __NR_clock_getres:
35     case __NR_fdatasync:
36     case __NR_fsync:
37     case __NR_getpriority:
38 #if defined(__i386__) || defined(__x86_64__)
39     case __NR_getrlimit:
40 #endif
41 #if defined(__i386__) || defined(__arm__)
42     case __NR_ugetrlimit:
43 #endif
44     case __NR_mremap:  // See crbug.com/149834.
45     case __NR_pread64:
46     case __NR_pwrite64:
47     case __NR_sched_getaffinity:
48     case __NR_sched_get_priority_max:
49     case __NR_sched_get_priority_min:
50     case __NR_sched_getparam:
51     case __NR_sched_getscheduler:
52     case __NR_sched_setscheduler:
53     case __NR_setpriority:
54     case __NR_sysinfo:
55     case __NR_times:
56     case __NR_uname:
57       return ErrorCode(ErrorCode::ERR_ALLOWED);
58     case __NR_prlimit64:
59       return ErrorCode(EPERM);  // See crbug.com/160157.
60     default:
61       // Default on the content baseline policy.
62       return SandboxBPFBasePolicy::EvaluateSyscall(sandbox, sysno);
63   }
64 }
65
66 }  // namespace content