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1 | /** |
2 | * Seccomp Library test program | |
3 | * | |
4 | * Copyright (c) 2012 Red Hat <pmoore@redhat.com> | |
5 | * Author: Paul Moore <paul@paul-moore.com> | |
6 | */ | |
7 | ||
8 | /* | |
9 | * This library is free software; you can redistribute it and/or modify it | |
10 | * under the terms of version 2.1 of the GNU Lesser General Public License as | |
11 | * published by the Free Software Foundation. | |
12 | * | |
13 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
14 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
16 | * for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public License | |
19 | * along with this library; if not, see <http://www.gnu.org/licenses>. | |
20 | */ | |
21 | ||
22 | #include <errno.h> | |
23 | #include <unistd.h> | |
24 | #include <limits.h> | |
25 | ||
26 | #include <seccomp.h> | |
27 | ||
28 | #include "util.h" | |
29 | ||
30 | int main(int argc, char *argv[]) | |
31 | { | |
32 | int rc; | |
33 | int iter; | |
34 | struct util_options opts; | |
35 | scmp_filter_ctx ctx = NULL; | |
36 | ||
37 | rc = util_getopt(argc, argv, &opts); | |
38 | if (rc < 0) | |
39 | goto out; | |
40 | ||
41 | ctx = seccomp_init(SCMP_ACT_KILL); | |
42 | if (ctx == NULL) | |
43 | return ENOMEM; | |
44 | ||
45 | /* NOTE - syscalls referenced by number to make the test simpler */ | |
46 | ||
47 | rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1, 0); | |
48 | if (rc != 0) | |
49 | goto out; | |
50 | ||
51 | /* same syscall, many chains */ | |
52 | for (iter = 0; iter < 100; iter++) { | |
53 | rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1000, 3, | |
54 | SCMP_A0(SCMP_CMP_EQ, iter), | |
55 | SCMP_A1(SCMP_CMP_NE, 0x0), | |
56 | SCMP_A2(SCMP_CMP_LT, SSIZE_MAX)); | |
57 | if (rc != 0) | |
58 | goto out; | |
59 | } | |
60 | ||
61 | /* many syscalls, same chain */ | |
62 | for (iter = 100; iter < 200; iter++) { | |
63 | rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, iter, 1, | |
64 | SCMP_A0(SCMP_CMP_NE, 0)); | |
65 | if (rc != 0) | |
66 | goto out; | |
67 | } | |
68 | ||
69 | rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 4, 0); | |
70 | if (rc != 0) | |
71 | goto out; | |
72 | ||
73 | rc = util_filter_output(&opts, ctx); | |
74 | if (rc) | |
75 | goto out; | |
76 | ||
77 | out: | |
78 | seccomp_release(ctx); | |
79 | return (rc < 0 ? -rc : rc); | |
80 | } |