]>
iEval git - linux-seccomp.git/blob - libseccomp/tests/04-sim-multilevel_chains.c
2 * Seccomp Library test program
4 * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
5 * Author: Paul Moore <paul@paul-moore.com>
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.
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
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>.
30 int main(int argc
, char *argv
[])
33 struct util_options opts
;
34 scmp_filter_ctx ctx
= NULL
;
36 rc
= util_getopt(argc
, argv
, &opts
);
40 ctx
= seccomp_init(SCMP_ACT_KILL
);
44 rc
= seccomp_rule_add(ctx
, SCMP_ACT_ALLOW
, SCMP_SYS(open
), 0);
48 rc
= seccomp_rule_add(ctx
, SCMP_ACT_ALLOW
, SCMP_SYS(close
), 0);
52 rc
= seccomp_rule_add(ctx
, SCMP_ACT_ALLOW
, SCMP_SYS(read
), 3,
53 SCMP_A0(SCMP_CMP_EQ
, STDIN_FILENO
),
54 SCMP_A1(SCMP_CMP_NE
, 0x0),
55 SCMP_A2(SCMP_CMP_LT
, SSIZE_MAX
));
59 rc
= seccomp_rule_add(ctx
, SCMP_ACT_ALLOW
, SCMP_SYS(write
), 3,
60 SCMP_A0(SCMP_CMP_EQ
, STDOUT_FILENO
),
61 SCMP_A1(SCMP_CMP_NE
, 0x0),
62 SCMP_A2(SCMP_CMP_LT
, SSIZE_MAX
));
65 rc
= seccomp_rule_add(ctx
, SCMP_ACT_ALLOW
, SCMP_SYS(write
), 3,
66 SCMP_A0(SCMP_CMP_EQ
, STDERR_FILENO
),
67 SCMP_A1(SCMP_CMP_NE
, 0x0),
68 SCMP_A2(SCMP_CMP_LT
, SSIZE_MAX
));
72 rc
= seccomp_rule_add(ctx
, SCMP_ACT_ALLOW
, SCMP_SYS(close
), 0);
76 rc
= seccomp_rule_add(ctx
, SCMP_ACT_ALLOW
, SCMP_SYS(rt_sigreturn
), 0);
80 rc
= util_filter_output(&opts
, ctx
);
86 return (rc
< 0 ? -rc
: rc
);
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