8f3b3e6578
* rtnl_neigh.c: New file. * Makefile.am (strace_SOURCES): Add it. * netlink_route.h (decode_ndmsg, decode_rtm_getneigh): New prototypes. * configure.ac (AC_CHECK_HEADERS): Add linux/neighbour.h. * netlink_route.c (route_decoders): Add RTM_DELNEIGH, RTM_DELNEIGH, and RTM_NEWNEIGH. * xlat/nda_types.in: New file. * xlat/neighbor_cache_entry_flags.in: Likewise. * xlat/neighbor_cache_entry_states.in: Likewise. Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
/*
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* Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2016-2017 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_route.h"
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#include "print_fields.h"
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#include "netlink.h"
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#include <linux/rtnetlink.h>
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#ifdef HAVE_LINUX_NEIGHBOUR_H
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# include <linux/neighbour.h>
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#endif
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#include "xlat/nda_types.h"
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#include "xlat/neighbor_cache_entry_flags.h"
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#include "xlat/neighbor_cache_entry_states.h"
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DECL_NETLINK_ROUTE_DECODER(decode_ndmsg)
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{
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struct ndmsg ndmsg = { .ndm_family = family };
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const size_t offset = sizeof(ndmsg.ndm_family);
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PRINT_FIELD_XVAL("{", ndmsg, ndm_family, addrfams, "AF_???");
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tprints(", ");
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if (len >= sizeof(ndmsg)) {
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if (!umoven_or_printaddr(tcp, addr + offset,
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sizeof(ndmsg) - offset,
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(void *) &ndmsg + offset)) {
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PRINT_FIELD_IFINDEX("", ndmsg, ndm_ifindex);
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PRINT_FIELD_FLAGS(", ", ndmsg, ndm_state,
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neighbor_cache_entry_states,
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"NUD_???");
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PRINT_FIELD_FLAGS(", ", ndmsg, ndm_flags,
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neighbor_cache_entry_flags,
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"NTF_???");
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PRINT_FIELD_XVAL(", ", ndmsg, ndm_type,
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nda_types, "NDA_???");
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}
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} else
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tprints("...");
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tprints("}");
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}
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DECL_NETLINK_ROUTE_DECODER(decode_rtm_getneigh)
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{
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if (family == AF_BRIDGE)
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decode_ifinfomsg(tcp, nlmsghdr, family, addr, len);
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else
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decode_ndmsg(tcp, nlmsghdr, family, addr, len);
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}
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