/*
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2017 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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#include "netlink.h"
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#include "print_fields.h"
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#include <linux/selinux_netlink.h>
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bool
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decode_netlink_selinux(struct tcb *const tcp,
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const struct nlmsghdr *const nlmsghdr,
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const kernel_ulong_t addr,
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const unsigned int len)
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{
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switch (nlmsghdr->nlmsg_type) {
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case SELNL_MSG_SETENFORCE: {
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struct selnl_msg_setenforce msg;
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if (len < sizeof(msg))
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printstr_ex(tcp, addr, len, QUOTE_FORCE_HEX);
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else if (!umove_or_printaddr(tcp, addr, &msg)) {
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PRINT_FIELD_D("{", msg, val);
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tprints("}");
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}
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break;
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}
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case SELNL_MSG_POLICYLOAD: {
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struct selnl_msg_policyload msg;
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if (len < sizeof(msg))
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printstr_ex(tcp, addr, len, QUOTE_FORCE_HEX);
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else if (!umove_or_printaddr(tcp, addr, &msg)) {
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PRINT_FIELD_U("{", msg, seqno);
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tprints("}");
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}
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break;
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}
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default:
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return false;
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}
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return true;
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}
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