1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/**
* Seccomp Library test program
*
* Copyright (c) 2012 Red Hat <pmoore@redhat.com>
* Author: Paul Moore <paul@paul-moore.com>
*/
/*
* This library is free software; you can redistribute it and/or modify it
* under the terms of version 2.1 of the GNU Lesser General Public License as
* published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, see <http://www.gnu.org/licenses>.
*/
#include <errno.h>
#include <unistd.h>
#include <seccomp.h>
#include "util.h"
int main(int argc, char *argv[])
{
int rc;
struct util_options opts;
scmp_filter_ctx ctx = NULL;
rc = util_getopt(argc, argv, &opts);
if (rc < 0)
goto out;
ctx = seccomp_init(SCMP_ACT_KILL);
if (ctx == NULL)
return ENOMEM;
/* NOTE: not strictly necessary since we get the native arch by default
* but it serves as a good sanity check for the code and boosts
* our code coverage numbers */
rc = seccomp_arch_exist(ctx, seccomp_arch_native());
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_NATIVE);
if (rc != 0)
goto out;
/* NOTE: we are using a different approach to test for the native arch
* to exercise slightly different code paths */
rc = seccomp_arch_exist(ctx, 0);
if (rc != -EEXIST)
goto out;
/* NOTE: more sanity/coverage tests (see above) */
rc = seccomp_arch_add(ctx, SCMP_ARCH_NATIVE);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_NATIVE);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_X86);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_X86_64);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_X32);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_ARM);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_AARCH64);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_LOONGARCH64);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_MIPSEL);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_MIPSEL64);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_MIPSEL64N32);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_PPC64LE);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_RISCV64);
if (rc != 0)
goto out;
rc = seccomp_arch_add(ctx, SCMP_ARCH_SH);
if (rc != 0)
goto out;
rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1,
SCMP_A0(SCMP_CMP_EQ, STDIN_FILENO));
if (rc != 0)
goto out;
rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 1,
SCMP_A0(SCMP_CMP_EQ, STDOUT_FILENO));
if (rc != 0)
goto out;
rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 1,
SCMP_A0(SCMP_CMP_EQ, STDERR_FILENO));
if (rc != 0)
goto out;
rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(close), 0);
if (rc != 0)
goto out;
rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(socket), 0);
if (rc != 0)
goto out;
rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(connect), 0);
if (rc != 0)
goto out;
rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(shutdown), 0);
if (rc != 0)
goto out;
rc = util_filter_output(&opts, ctx);
if (rc)
goto out;
/* not strictly necessary, but let's exercise the code paths */
rc = seccomp_arch_remove(ctx, SCMP_ARCH_X86);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_X86_64);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_X32);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_ARM);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_AARCH64);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_LOONGARCH64);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_MIPSEL);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_MIPSEL64);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_MIPSEL64N32);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_PPC64LE);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_RISCV64);
if (rc != 0)
goto out;
rc = seccomp_arch_remove(ctx, SCMP_ARCH_SH);
if (rc != 0)
goto out;
out:
seccomp_release(ctx);
return (rc < 0 ? -rc : rc);
}
|
