forked from osmocom/wireshark
f07dd2bfcf
svn path=/trunk/; revision=16641
139 lines
4.3 KiB
C
139 lines
4.3 KiB
C
/* address.h
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* Definitions for structures storing addresses, and for the type of
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* variables holding port-type values
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*
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* $Id$
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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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#ifndef __ADDRESS_H__
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#define __ADDRESS_H__
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/* Types of addresses Ethereal knows about. */
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/* If a new address type is added here, a string representation procedure should */
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/* also be included in address_to_str_buf defined in to_str.c, for presentation purposes */
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typedef enum {
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AT_NONE, /* no link-layer address */
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AT_ETHER, /* MAC (Ethernet, 802.x, FDDI) address */
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AT_IPv4, /* IPv4 */
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AT_IPv6, /* IPv6 */
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AT_IPX, /* IPX */
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AT_SNA, /* SNA */
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AT_ATALK, /* Appletalk DDP */
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AT_VINES, /* Banyan Vines */
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AT_OSI, /* OSI NSAP */
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AT_ARCNET, /* ARCNET */
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AT_FC, /* Fibre Channel */
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AT_SS7PC, /* SS7 Point Code */
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AT_STRINGZ, /* null-terminated string */
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AT_EUI64, /* IEEE EUI-64 */
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AT_URI, /* URI/URL/URN */
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AT_TIPC /* TIPC Address Zone,Subnetwork,Processor */
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} address_type;
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typedef struct _address {
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address_type type; /* type of address */
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int len; /* length of address, in bytes */
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const guint8 *data; /* bytes that constitute address */
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} address;
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#define SET_ADDRESS(addr, addr_type, addr_len, addr_data) { \
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(addr)->type = (addr_type); \
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(addr)->len = (addr_len); \
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(addr)->data = (void *)(addr_data); \
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}
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/*
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* Given two addresses, return
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* 0 if the addresses are equal,
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* a positive number if addr1>addr2 in some nondefined metric,
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* a negative number if addr1<addr2 in some nondefined metric
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*/
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#define CMP_ADDRESS(addr1, addr2) \
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( ((addr1)->type > (addr2)->type)?1: \
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((addr1)->type < (addr2)->type)?-1: \
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((addr1)->len > (addr2)->len) ?1: \
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((addr1)->len < (addr2)->len) ?-1: \
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memcmp((addr1)->data, (addr2)->data, (addr1)->len)\
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)
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/*
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* Given two addresses, return "true" if they're equal, "false" otherwise.
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* Addresses are equal only if they have the same type; if the type is
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* AT_NONE, they are then equal, otherwise they must have the same
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* amount of data and the data must be the same.
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*/
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#define ADDRESSES_EQUAL(addr1, addr2) \
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( \
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(addr1)->type == (addr2)->type && \
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( \
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(addr1)->type == AT_NONE || \
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( \
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(addr1)->len == (addr2)->len && \
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memcmp((addr1)->data, (addr2)->data, (addr1)->len) == 0 \
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) \
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) \
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)
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/*
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* Copy an address, allocating a new buffer for the address data.
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*/
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#define COPY_ADDRESS(to, from) { \
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guint8 *COPY_ADDRESS_data; \
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(to)->type = (from)->type; \
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(to)->len = (from)->len; \
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COPY_ADDRESS_data = g_malloc((from)->len); \
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memcpy(COPY_ADDRESS_data, (from)->data, (from)->len); \
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(to)->data = COPY_ADDRESS_data; \
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}
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/* Types of port numbers Ethereal knows about. */
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typedef enum {
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PT_NONE, /* no port number */
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PT_SCTP, /* SCTP */
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PT_TCP, /* TCP */
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PT_UDP, /* UDP */
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PT_DCCP, /* DCCP */
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PT_IPX, /* IPX sockets */
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PT_NCP, /* NCP connection */
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PT_EXCHG, /* Fibre Channel exchange */
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PT_DDP, /* DDP AppleTalk connection */
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PT_SBCCS, /* FICON */
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PT_IDP, /* XNS IDP sockets */
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PT_TIPC /* TIPC PORT */
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} port_type;
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/* Types of circuit IDs Ethereal knows about. */
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typedef enum {
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CT_NONE, /* no circuit type */
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CT_DLCI, /* Frame Relay DLCI */
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CT_ISDN, /* ISDN channel number */
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CT_X25, /* X.25 logical channel number */
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CT_ISUP, /* ISDN User Part CIC */
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CT_IAX2, /* IAX2 call id */
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CT_H223, /* H.223 logical channel number */
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CT_BICC /* BICC Circuit identifier */
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/* Could also have ATM VPI/VCI pairs */
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} circuit_type;
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#endif /* __ADDRESS_H__ */
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