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79 lines
2.8 KiB
79 lines
2.8 KiB
4 months ago
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/*
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* netlink attribute ifinfomsg common code.
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*
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2017-2018 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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#ifndef STRACE_TESTS_NLATTR_IFLA_H
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#define STRACE_TESTS_NLATTR_IFLA_H
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#include "tests.h"
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#ifndef IFLA_ATTR
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# error "Please define IFLA_ATTR before including this file"
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#endif
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static const unsigned int hdrlen = sizeof(struct ifinfomsg);
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static void
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init_ifinfomsg(struct nlmsghdr *const nlh, const unsigned int msg_len)
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{
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SET_STRUCT(struct nlmsghdr, nlh,
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.nlmsg_len = msg_len,
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.nlmsg_type = RTM_GETLINK,
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.nlmsg_flags = NLM_F_DUMP
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);
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struct ifinfomsg *const msg = NLMSG_DATA(nlh);
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SET_STRUCT(struct ifinfomsg, msg,
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.ifi_family = AF_UNIX,
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.ifi_type = ARPHRD_LOOPBACK,
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.ifi_index = ifindex_lo(),
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.ifi_flags = IFF_UP,
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);
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struct nlattr *const nla = NLMSG_ATTR(nlh, sizeof(*msg));
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SET_STRUCT(struct nlattr, nla,
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.nla_len = msg_len - NLMSG_SPACE(hdrlen),
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.nla_type = IFLA_ATTR
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);
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}
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static void
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print_ifinfomsg(const unsigned int msg_len)
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{
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printf("{len=%u, type=RTM_GETLINK, flags=NLM_F_DUMP"
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", seq=0, pid=0}, {ifi_family=AF_UNIX"
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", ifi_type=ARPHRD_LOOPBACK"
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", ifi_index=" IFINDEX_LO_STR
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", ifi_flags=IFF_UP, ifi_change=0}"
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", {{nla_len=%u, nla_type=" STRINGIFY_VAL(IFLA_ATTR) "}",
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msg_len, msg_len - NLMSG_SPACE(hdrlen));
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}
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#endif /* STRACE_TESTS_NLATTR_IFLA_H */
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