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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 | ||
25 | #include <seccomp.h> | |
26 | ||
27 | #include "util.h" | |
28 | ||
29 | int main(int argc, char *argv[]) | |
30 | { | |
31 | int rc; | |
32 | uint32_t val = (uint32_t)(-1); | |
33 | scmp_filter_ctx ctx = NULL; | |
34 | ||
35 | ctx = seccomp_init(SCMP_ACT_ALLOW); | |
36 | if (ctx == NULL) | |
37 | return ENOMEM; | |
38 | ||
39 | rc = seccomp_attr_get(ctx, SCMP_FLTATR_ACT_DEFAULT, &val); | |
40 | if (rc != 0) | |
41 | goto out; | |
42 | if (val != SCMP_ACT_ALLOW) { | |
43 | rc = -1; | |
44 | goto out; | |
45 | } | |
46 | rc = seccomp_attr_set(ctx, SCMP_FLTATR_ACT_DEFAULT, val); | |
47 | if (rc != -EACCES) { | |
48 | rc = -1; | |
49 | goto out; | |
50 | } | |
51 | ||
52 | rc = seccomp_attr_set(ctx, SCMP_FLTATR_ACT_BADARCH, SCMP_ACT_ALLOW); | |
53 | if (rc != 0) | |
54 | goto out; | |
55 | rc = seccomp_attr_get(ctx, SCMP_FLTATR_ACT_BADARCH, &val); | |
56 | if (rc != 0) | |
57 | goto out; | |
58 | if (val != SCMP_ACT_ALLOW) { | |
59 | rc = -1; | |
60 | goto out; | |
61 | } | |
62 | ||
63 | rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_NNP, 0); | |
64 | if (rc != 0) | |
65 | goto out; | |
66 | rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_NNP, &val); | |
67 | if (rc != 0) | |
68 | goto out; | |
69 | if (val != 0) { | |
70 | rc = -1; | |
71 | goto out; | |
72 | } | |
73 | ||
74 | rc = 0; | |
75 | out: | |
76 | seccomp_release(ctx); | |
77 | return (rc < 0 ? -rc : rc); | |
78 | } |