forked from osmocom/wireshark
121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/* ipproto.c
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* Routines for converting IPv4 protocol/v6 nxthdr field into string
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*
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* $Id: ipproto.c,v 1.21 2003/02/04 20:16:57 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_NETDB_H
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# include <netdb.h>
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#endif
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#include <glib.h>
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#include "ipproto.h"
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#include <epan/packet.h>
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#include <epan/resolv.h>
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#include "packet-ip.h"
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#ifdef NEED_SNPRINTF_H
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# include "snprintf.h"
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#endif
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static const value_string ipproto_val[] = {
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{ IP_PROTO_ICMP, "ICMP" },
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{ IP_PROTO_IGMP, "IGMP" },
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{ IP_PROTO_EIGRP, "EIGRP" },
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{ IP_PROTO_IGRP, "IGRP" },
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{ IP_PROTO_TCP, "TCP" },
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{ IP_PROTO_UDP, "UDP" },
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{ IP_PROTO_OSPF, "OSPF" },
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#if 0
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{ IP_PROTO_IP, "IPv4" },
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#endif
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{ IP_PROTO_HOPOPTS, "IPv6 hop-by-hop option" },
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{ IP_PROTO_ICMP, "ICMP" },
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{ IP_PROTO_IGMP, "IGMP" },
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{ IP_PROTO_GGP, "GGP" },
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{ IP_PROTO_IPIP, "IPIP" },
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#if 0
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{ IP_PROTO_IPV4, "IPv4" },
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#endif
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{ IP_PROTO_EGP, "EGP" },
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{ IP_PROTO_PUP, "PUP" },
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{ IP_PROTO_UDP, "UDP" },
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{ IP_PROTO_IDP, "IDP" },
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{ IP_PROTO_TP, "TP" },
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{ IP_PROTO_IPV6, "IPv6" },
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{ IP_PROTO_ROUTING, "IPv6 routing" },
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{ IP_PROTO_FRAGMENT,"IPv6 fragment" },
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{ IP_PROTO_RSVP, "RSVP" },
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{ IP_PROTO_GRE, "GRE" },
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{ IP_PROTO_ESP, "ESP" },
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{ IP_PROTO_AH, "AH" },
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{ IP_PROTO_ICMPV6, "ICMPv6" },
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{ IP_PROTO_NONE, "IPv6 no next header" },
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{ IP_PROTO_DSTOPTS, "IPv6 destination option" },
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{ IP_PROTO_MIPV6, "Mobile IPv6" },
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{ IP_PROTO_EON, "EON" },
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{ IP_PROTO_OSPF, "OSPF" },
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{ IP_PROTO_ENCAP, "ENCAP" },
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{ IP_PROTO_PIM, "PIM" },
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{ IP_PROTO_IPCOMP, "IPComp" },
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{ IP_PROTO_VRRP, "VRRP" },
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{ IP_PROTO_VINES, "VINES" },
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{ IP_PROTO_PGM, "PGM" },
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{ IP_PROTO_SCTP, "SCTP" },
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{ 0, NULL },
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};
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const char *ipprotostr(int proto) {
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static char buf[128];
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const char *s;
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#ifdef HAVE_GETPROTOBYNUMBER
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struct protoent *pe;
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#endif
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if ((s = match_strval(proto, ipproto_val)) != NULL)
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goto ok;
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#ifdef HAVE_GETPROTOBYNUMBER
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/*
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* XXX - have another flag for resolving network-layer
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* protocol names?
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*/
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if (g_resolv_flags != 0) {
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pe = getprotobynumber(proto);
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if (pe) {
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s = pe->p_name;
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goto ok;
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}
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}
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#endif
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s = "Unknown";
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ok:
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snprintf(buf, sizeof(buf), "%s", s);
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return buf;
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}
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