| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <errno.h> |
| |
| #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h" |
| #include "sandbox/linux/tests/unit_tests.h" |
| |
| namespace sandbox { |
| |
| namespace { |
| |
| SANDBOX_TEST(ErrorCode, ErrnoConstructor) { |
| ErrorCode e0; |
| SANDBOX_ASSERT(e0.err() == SECCOMP_RET_INVALID); |
| |
| ErrorCode e1(ErrorCode::ERR_ALLOWED); |
| SANDBOX_ASSERT(e1.err() == SECCOMP_RET_ALLOW); |
| |
| ErrorCode e2(EPERM); |
| SANDBOX_ASSERT(e2.err() == SECCOMP_RET_ERRNO + EPERM); |
| |
| SandboxBPF sandbox; |
| ErrorCode e3 = sandbox.Trap(NULL, NULL); |
| SANDBOX_ASSERT((e3.err() & SECCOMP_RET_ACTION) == SECCOMP_RET_TRAP); |
| |
| uint16_t data = 0xdead; |
| ErrorCode e4(ErrorCode::ERR_TRACE + data); |
| SANDBOX_ASSERT(e4.err() == SECCOMP_RET_TRACE + data); |
| } |
| |
| SANDBOX_DEATH_TEST(ErrorCode, |
| InvalidSeccompRetTrace, |
| DEATH_MESSAGE("Invalid use of ErrorCode object")) { |
| // Should die if the trace data does not fit in 16 bits. |
| ErrorCode e(ErrorCode::ERR_TRACE + (1 << 16)); |
| } |
| |
| SANDBOX_TEST(ErrorCode, Trap) { |
| SandboxBPF sandbox; |
| ErrorCode e0 = sandbox.Trap(NULL, "a"); |
| ErrorCode e1 = sandbox.Trap(NULL, "b"); |
| SANDBOX_ASSERT((e0.err() & SECCOMP_RET_DATA) + 1 == |
| (e1.err() & SECCOMP_RET_DATA)); |
| |
| ErrorCode e2 = sandbox.Trap(NULL, "a"); |
| SANDBOX_ASSERT((e0.err() & SECCOMP_RET_DATA) == |
| (e2.err() & SECCOMP_RET_DATA)); |
| } |
| |
| SANDBOX_TEST(ErrorCode, Equals) { |
| ErrorCode e1(ErrorCode::ERR_ALLOWED); |
| ErrorCode e2(ErrorCode::ERR_ALLOWED); |
| SANDBOX_ASSERT(e1.Equals(e1)); |
| SANDBOX_ASSERT(e1.Equals(e2)); |
| SANDBOX_ASSERT(e2.Equals(e1)); |
| |
| ErrorCode e3(EPERM); |
| SANDBOX_ASSERT(!e1.Equals(e3)); |
| |
| SandboxBPF sandbox; |
| ErrorCode e4 = sandbox.Trap(NULL, "a"); |
| ErrorCode e5 = sandbox.Trap(NULL, "b"); |
| ErrorCode e6 = sandbox.Trap(NULL, "a"); |
| SANDBOX_ASSERT(!e1.Equals(e4)); |
| SANDBOX_ASSERT(!e3.Equals(e4)); |
| SANDBOX_ASSERT(!e5.Equals(e4)); |
| SANDBOX_ASSERT( e6.Equals(e4)); |
| } |
| |
| SANDBOX_TEST(ErrorCode, LessThan) { |
| ErrorCode e1(ErrorCode::ERR_ALLOWED); |
| ErrorCode e2(ErrorCode::ERR_ALLOWED); |
| SANDBOX_ASSERT(!e1.LessThan(e1)); |
| SANDBOX_ASSERT(!e1.LessThan(e2)); |
| SANDBOX_ASSERT(!e2.LessThan(e1)); |
| |
| ErrorCode e3(EPERM); |
| SANDBOX_ASSERT(!e1.LessThan(e3)); |
| SANDBOX_ASSERT( e3.LessThan(e1)); |
| |
| SandboxBPF sandbox; |
| ErrorCode e4 = sandbox.Trap(NULL, "a"); |
| ErrorCode e5 = sandbox.Trap(NULL, "b"); |
| ErrorCode e6 = sandbox.Trap(NULL, "a"); |
| SANDBOX_ASSERT(e1.LessThan(e4)); |
| SANDBOX_ASSERT(e3.LessThan(e4)); |
| SANDBOX_ASSERT(e4.LessThan(e5)); |
| SANDBOX_ASSERT(!e4.LessThan(e6)); |
| SANDBOX_ASSERT(!e6.LessThan(e4)); |
| } |
| |
| } // namespace |
| |
| } // namespace sandbox |