aosp12/external/strace/seccomp.c

71 lines
2.3 KiB
C

/*
* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "defs.h"
#ifdef HAVE_LINUX_SECCOMP_H
# include <linux/seccomp.h>
#endif
#include "xlat/seccomp_ops.h"
#include "xlat/seccomp_filter_flags.h"
SYS_FUNC(seccomp)
{
unsigned int op = tcp->u_arg[0];
unsigned int flags = tcp->u_arg[1];
unsigned int act;
printxval(seccomp_ops, op, "SECCOMP_SET_MODE_???");
tprints(", ");
switch (op) {
case SECCOMP_GET_ACTION_AVAIL:
tprintf("%u, ", flags);
if (!umove_or_printaddr(tcp, tcp->u_arg[2], &act)) {
tprints("[");
printxval(seccomp_ret_action, act, "SECCOMP_RET_???");
tprints("]");
}
break;
case SECCOMP_SET_MODE_FILTER:
printflags(seccomp_filter_flags, flags,
"SECCOMP_FILTER_FLAG_???");
tprints(", ");
decode_seccomp_fprog(tcp, tcp->u_arg[2]);
break;
case SECCOMP_SET_MODE_STRICT:
default:
tprintf("%u, ", flags);
printaddr(tcp->u_arg[2]);
break;
}
return RVAL_DECODED;
}