/* resolv.h * Definitions for network object lookup * * $Id: resolv.h,v 1.10 2003/01/26 19:35:29 deniel Exp $ * * Laurent Deniel * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef __RESOLV_H__ #define __RESOLV_H__ #ifndef MAXNAMELEN #define MAXNAMELEN 64 /* max name length (hostname and port name) */ #endif /* * Flag controlling what names to resolve. */ extern guint32 g_resolv_flags; /* 32 types are sufficient (as are 640k of RAM) */ /* FIXME: Maybe MANUF/m, IP/i, IP6/6, IPX/x, UDP+TCP/t etc would be more useful/consistent */ #define RESOLV_NONE 0x0 #define RESOLV_MAC 0x1 #define RESOLV_NETWORK 0x2 #define RESOLV_TRANSPORT 0x4 #define RESOLV_ALL 0xFFFFFFFF /* global variables */ extern gchar *g_ethers_path; extern gchar *g_ipxnets_path; extern gchar *g_pethers_path; extern gchar *g_pipxnets_path; /* Functions in resolv.c */ /* Set the flags controlling what names to resolve */ extern void resolv_set_flags(guint32 flags); /* get_tcp_port returns the UDP port name or "%u" if not found */ extern guchar *get_udp_port(guint port); /* get_tcp_port returns the TCP port name or "%u" if not found */ extern guchar *get_tcp_port(guint port); /* get_sctp_port returns the SCTP port name or "%u" if not found */ extern guchar *get_sctp_port(guint port); /* get_hostname returns the host name or "%d.%d.%d.%d" if not found */ extern guchar *get_hostname(guint addr); /* get_hostname returns the host name, or numeric addr if not found */ struct e_in6_addr; const guchar* get_hostname6(struct e_in6_addr *ad); /* get_ether_name returns the logical name if found in ethers files else "_%02x:%02x:%02x" if the vendor code is known else "%02x:%02x:%02x:%02x:%02x:%02x" */ extern guchar *get_ether_name(const guint8 *addr); /* get_ether_name returns the logical name if found in ethers files else NULL */ extern guchar *get_ether_name_if_known(const guint8 *addr); /* get_manuf_name returns the vendor name or "%02x:%02x:%02x" if not known */ extern const guchar *get_manuf_name(const guint8 *addr); /* get_ipxnet_name returns the logical name if found in an ipxnets file, * or a string formatted with "%X" if not */ extern const guchar *get_ipxnet_name(const guint32 addr); /* returns the ethernet address corresponding to name or NULL if not known */ extern guint8 *get_ether_addr(const guchar *name); /* returns the ipx network corresponding to name. If name is unknown, * 0 is returned and 'known' is set to FALSE. On success, 'known' * is set to TRUE. */ guint32 get_ipxnet_addr(const guchar *name, gboolean *known); /* adds a hostname/IP in the hash table */ extern void add_host_name(guint addr, const guchar *name); /* add ethernet address / name corresponding to IP address */ extern void add_ether_byip(guint ip, const guint8 *eth); /* Translates a string representing the hostname or dotted-decimal IP address * into a numeric IP address value, returning TRUE if it succeeds and * FALSE if it fails. */ gboolean get_host_ipaddr(const char *host, guint32 *addrp); /* * Translate IPv6 numeric address or FQDN hostname, into binary IPv6 address. * Return TRUE if we succeed and set "*addrp" to that numeric IP address; * return FALSE if we fail. */ gboolean get_host_ipaddr6(const char *host, struct e_in6_addr *addrp); #endif /* __RESOLV_H__ */