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
SANDBOX_TEST(ErrorCode,ErrnoConstructor)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
SANDBOX_TEST(ErrorCode,Trap)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
SANDBOX_TEST(ErrorCode,Equals)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
SANDBOX_TEST(ErrorCode,LessThan)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