1 // Copyright (c) 2012 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 <errno.h> 6 7 #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h" 8 #include "sandbox/linux/tests/unit_tests.h" 9 10 namespace sandbox { 11 12 namespace { 13 14 SANDBOX_TEST(ErrorCode, ErrnoConstructor) { 15 ErrorCode e0; 16 SANDBOX_ASSERT(e0.err() == SECCOMP_RET_INVALID); 17 18 ErrorCode e1(ErrorCode::ERR_ALLOWED); 19 SANDBOX_ASSERT(e1.err() == SECCOMP_RET_ALLOW); 20 21 ErrorCode e2(EPERM); 22 SANDBOX_ASSERT(e2.err() == SECCOMP_RET_ERRNO + EPERM); 23 24 SandboxBPF sandbox; 25 ErrorCode e3 = sandbox.Trap(NULL, NULL); 26 SANDBOX_ASSERT((e3.err() & SECCOMP_RET_ACTION) == SECCOMP_RET_TRAP); 27 } 28 29 SANDBOX_TEST(ErrorCode, Trap) { 30 SandboxBPF sandbox; 31 ErrorCode e0 = sandbox.Trap(NULL, "a"); 32 ErrorCode e1 = sandbox.Trap(NULL, "b"); 33 SANDBOX_ASSERT((e0.err() & SECCOMP_RET_DATA) + 1 == 34 (e1.err() & SECCOMP_RET_DATA)); 35 36 ErrorCode e2 = sandbox.Trap(NULL, "a"); 37 SANDBOX_ASSERT((e0.err() & SECCOMP_RET_DATA) == 38 (e2.err() & SECCOMP_RET_DATA)); 39 } 40 41 SANDBOX_TEST(ErrorCode, Equals) { 42 ErrorCode e1(ErrorCode::ERR_ALLOWED); 43 ErrorCode e2(ErrorCode::ERR_ALLOWED); 44 SANDBOX_ASSERT(e1.Equals(e1)); 45 SANDBOX_ASSERT(e1.Equals(e2)); 46 SANDBOX_ASSERT(e2.Equals(e1)); 47 48 ErrorCode e3(EPERM); 49 SANDBOX_ASSERT(!e1.Equals(e3)); 50 51 SandboxBPF sandbox; 52 ErrorCode e4 = sandbox.Trap(NULL, "a"); 53 ErrorCode e5 = sandbox.Trap(NULL, "b"); 54 ErrorCode e6 = sandbox.Trap(NULL, "a"); 55 SANDBOX_ASSERT(!e1.Equals(e4)); 56 SANDBOX_ASSERT(!e3.Equals(e4)); 57 SANDBOX_ASSERT(!e5.Equals(e4)); 58 SANDBOX_ASSERT( e6.Equals(e4)); 59 } 60 61 SANDBOX_TEST(ErrorCode, LessThan) { 62 ErrorCode e1(ErrorCode::ERR_ALLOWED); 63 ErrorCode e2(ErrorCode::ERR_ALLOWED); 64 SANDBOX_ASSERT(!e1.LessThan(e1)); 65 SANDBOX_ASSERT(!e1.LessThan(e2)); 66 SANDBOX_ASSERT(!e2.LessThan(e1)); 67 68 ErrorCode e3(EPERM); 69 SANDBOX_ASSERT(!e1.LessThan(e3)); 70 SANDBOX_ASSERT( e3.LessThan(e1)); 71 72 SandboxBPF sandbox; 73 ErrorCode e4 = sandbox.Trap(NULL, "a"); 74 ErrorCode e5 = sandbox.Trap(NULL, "b"); 75 ErrorCode e6 = sandbox.Trap(NULL, "a"); 76 SANDBOX_ASSERT(e1.LessThan(e4)); 77 SANDBOX_ASSERT(e3.LessThan(e4)); 78 SANDBOX_ASSERT(e4.LessThan(e5)); 79 SANDBOX_ASSERT(!e4.LessThan(e6)); 80 SANDBOX_ASSERT(!e6.LessThan(e4)); 81 } 82 83 } // namespace 84 85 } // namespace sandbox 86
