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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/common/sandbox_linux/bpf_renderer_policy_linux.h" | 5 #include "content/common/sandbox_linux/bpf_renderer_policy_linux.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "build/build_config.h" | 10 #include "build/build_config.h" |
11 #include "content/common/sandbox_linux/sandbox_linux.h" | 11 #include "content/common/sandbox_linux/sandbox_linux.h" |
12 #include "sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h" | 12 #include "sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h" |
13 #include "sandbox/linux/seccomp-bpf-helpers/syscall_sets.h" | 13 #include "sandbox/linux/seccomp-bpf-helpers/syscall_sets.h" |
14 #include "sandbox/linux/seccomp-bpf/sandbox_bpf_policy.h" | 14 #include "sandbox/linux/seccomp-bpf/sandbox_bpf_policy.h" |
15 #include "sandbox/linux/services/linux_syscalls.h" | 15 #include "sandbox/linux/services/linux_syscalls.h" |
16 | 16 |
17 using sandbox::SyscallSets; | 17 using sandbox::SyscallSets; |
18 | 18 |
19 namespace content { | 19 namespace content { |
20 | 20 |
21 RendererProcessPolicy::RendererProcessPolicy() {} | 21 RendererProcessPolicy::RendererProcessPolicy() {} |
22 RendererProcessPolicy::~RendererProcessPolicy() {} | 22 RendererProcessPolicy::~RendererProcessPolicy() {} |
23 | 23 |
24 ErrorCode RendererProcessPolicy::EvaluateSyscall(SandboxBPF* sandbox, | 24 ErrorCode RendererProcessPolicy::EvaluateSyscall(SandboxBPF* sandbox, |
25 int sysno) const { | 25 int sysno) const { |
26 switch (sysno) { | 26 switch (sysno) { |
27 case __NR_clone: | |
28 return sandbox::RestrictCloneToThreadsAndEPERMFork(sandbox); | |
29 case __NR_ioctl: | 27 case __NR_ioctl: |
30 return sandbox::RestrictIoctl(sandbox); | 28 return sandbox::RestrictIoctl(sandbox); |
31 case __NR_prctl: | 29 case __NR_prctl: |
32 return sandbox::RestrictPrctl(sandbox); | 30 return sandbox::RestrictPrctl(sandbox); |
33 // Allow the system calls below. | 31 // Allow the system calls below. |
34 // The baseline policy allows __NR_clock_gettime. Allow | 32 // The baseline policy allows __NR_clock_gettime. Allow |
35 // clock_getres() for V8. crbug.com/329053. | 33 // clock_getres() for V8. crbug.com/329053. |
36 case __NR_clock_getres: | 34 case __NR_clock_getres: |
37 case __NR_fdatasync: | 35 case __NR_fdatasync: |
38 case __NR_fsync: | 36 case __NR_fsync: |
(...skipping 20 matching lines...) Expand all Loading... |
59 return ErrorCode(ErrorCode::ERR_ALLOWED); | 57 return ErrorCode(ErrorCode::ERR_ALLOWED); |
60 case __NR_prlimit64: | 58 case __NR_prlimit64: |
61 return ErrorCode(EPERM); // See crbug.com/160157. | 59 return ErrorCode(EPERM); // See crbug.com/160157. |
62 default: | 60 default: |
63 // Default on the content baseline policy. | 61 // Default on the content baseline policy. |
64 return SandboxBPFBasePolicy::EvaluateSyscall(sandbox, sysno); | 62 return SandboxBPFBasePolicy::EvaluateSyscall(sandbox, sysno); |
65 } | 63 } |
66 } | 64 } |
67 | 65 |
68 } // namespace content | 66 } // namespace content |
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