1*cf84ac9aSAndroid Build Coastguard Worker /*
2*cf84ac9aSAndroid Build Coastguard Worker * Copyright (c) 2015-2017 Dmitry V. Levin <[email protected]>
3*cf84ac9aSAndroid Build Coastguard Worker * All rights reserved.
4*cf84ac9aSAndroid Build Coastguard Worker *
5*cf84ac9aSAndroid Build Coastguard Worker * Redistribution and use in source and binary forms, with or without
6*cf84ac9aSAndroid Build Coastguard Worker * modification, are permitted provided that the following conditions
7*cf84ac9aSAndroid Build Coastguard Worker * are met:
8*cf84ac9aSAndroid Build Coastguard Worker * 1. Redistributions of source code must retain the above copyright
9*cf84ac9aSAndroid Build Coastguard Worker * notice, this list of conditions and the following disclaimer.
10*cf84ac9aSAndroid Build Coastguard Worker * 2. Redistributions in binary form must reproduce the above copyright
11*cf84ac9aSAndroid Build Coastguard Worker * notice, this list of conditions and the following disclaimer in the
12*cf84ac9aSAndroid Build Coastguard Worker * documentation and/or other materials provided with the distribution.
13*cf84ac9aSAndroid Build Coastguard Worker * 3. The name of the author may not be used to endorse or promote products
14*cf84ac9aSAndroid Build Coastguard Worker * derived from this software without specific prior written permission.
15*cf84ac9aSAndroid Build Coastguard Worker *
16*cf84ac9aSAndroid Build Coastguard Worker * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17*cf84ac9aSAndroid Build Coastguard Worker * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18*cf84ac9aSAndroid Build Coastguard Worker * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19*cf84ac9aSAndroid Build Coastguard Worker * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20*cf84ac9aSAndroid Build Coastguard Worker * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21*cf84ac9aSAndroid Build Coastguard Worker * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22*cf84ac9aSAndroid Build Coastguard Worker * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23*cf84ac9aSAndroid Build Coastguard Worker * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24*cf84ac9aSAndroid Build Coastguard Worker * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25*cf84ac9aSAndroid Build Coastguard Worker * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*cf84ac9aSAndroid Build Coastguard Worker */
27*cf84ac9aSAndroid Build Coastguard Worker
28*cf84ac9aSAndroid Build Coastguard Worker #include "defs.h"
29*cf84ac9aSAndroid Build Coastguard Worker
30*cf84ac9aSAndroid Build Coastguard Worker #ifdef HAVE_LINUX_SECCOMP_H
31*cf84ac9aSAndroid Build Coastguard Worker # include <linux/seccomp.h>
32*cf84ac9aSAndroid Build Coastguard Worker #endif
33*cf84ac9aSAndroid Build Coastguard Worker #include "xlat/seccomp_ops.h"
34*cf84ac9aSAndroid Build Coastguard Worker #include "xlat/seccomp_filter_flags.h"
35*cf84ac9aSAndroid Build Coastguard Worker
SYS_FUNC(seccomp)36*cf84ac9aSAndroid Build Coastguard Worker SYS_FUNC(seccomp)
37*cf84ac9aSAndroid Build Coastguard Worker {
38*cf84ac9aSAndroid Build Coastguard Worker unsigned int op = tcp->u_arg[0];
39*cf84ac9aSAndroid Build Coastguard Worker unsigned int flags = tcp->u_arg[1];
40*cf84ac9aSAndroid Build Coastguard Worker unsigned int act;
41*cf84ac9aSAndroid Build Coastguard Worker
42*cf84ac9aSAndroid Build Coastguard Worker printxval(seccomp_ops, op, "SECCOMP_SET_MODE_???");
43*cf84ac9aSAndroid Build Coastguard Worker tprints(", ");
44*cf84ac9aSAndroid Build Coastguard Worker
45*cf84ac9aSAndroid Build Coastguard Worker switch (op) {
46*cf84ac9aSAndroid Build Coastguard Worker case SECCOMP_GET_ACTION_AVAIL:
47*cf84ac9aSAndroid Build Coastguard Worker tprintf("%u, ", flags);
48*cf84ac9aSAndroid Build Coastguard Worker if (!umove_or_printaddr(tcp, tcp->u_arg[2], &act)) {
49*cf84ac9aSAndroid Build Coastguard Worker tprints("[");
50*cf84ac9aSAndroid Build Coastguard Worker printxval(seccomp_ret_action, act, "SECCOMP_RET_???");
51*cf84ac9aSAndroid Build Coastguard Worker tprints("]");
52*cf84ac9aSAndroid Build Coastguard Worker }
53*cf84ac9aSAndroid Build Coastguard Worker break;
54*cf84ac9aSAndroid Build Coastguard Worker
55*cf84ac9aSAndroid Build Coastguard Worker case SECCOMP_SET_MODE_FILTER:
56*cf84ac9aSAndroid Build Coastguard Worker printflags(seccomp_filter_flags, flags,
57*cf84ac9aSAndroid Build Coastguard Worker "SECCOMP_FILTER_FLAG_???");
58*cf84ac9aSAndroid Build Coastguard Worker tprints(", ");
59*cf84ac9aSAndroid Build Coastguard Worker decode_seccomp_fprog(tcp, tcp->u_arg[2]);
60*cf84ac9aSAndroid Build Coastguard Worker break;
61*cf84ac9aSAndroid Build Coastguard Worker
62*cf84ac9aSAndroid Build Coastguard Worker case SECCOMP_SET_MODE_STRICT:
63*cf84ac9aSAndroid Build Coastguard Worker default:
64*cf84ac9aSAndroid Build Coastguard Worker tprintf("%u, ", flags);
65*cf84ac9aSAndroid Build Coastguard Worker printaddr(tcp->u_arg[2]);
66*cf84ac9aSAndroid Build Coastguard Worker break;
67*cf84ac9aSAndroid Build Coastguard Worker }
68*cf84ac9aSAndroid Build Coastguard Worker
69*cf84ac9aSAndroid Build Coastguard Worker return RVAL_DECODED;
70*cf84ac9aSAndroid Build Coastguard Worker }
71