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Diffstat (limited to 'epan/addr_resolv.h')
| -rw-r--r-- | epan/addr_resolv.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/epan/addr_resolv.h b/epan/addr_resolv.h new file mode 100644 index 0000000000..65ad162a3b --- /dev/null +++ b/epan/addr_resolv.h @@ -0,0 +1,141 @@ +/* resolv.h + * Definitions for network object lookup + * + * $Id$ + * + * Laurent Deniel <laurent.deniel@free.fr> + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * 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. + */ +ETH_VAR_IMPORT 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_CONCURRENT 0x8 + +#define RESOLV_ALL_ADDRS (RESOLV_MAC|RESOLV_NETWORK|RESOLV_TRANSPORT) +#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 gchar *get_udp_port(guint port); + +/* get_tcp_port returns the TCP port name or "%u" if not found */ +extern gchar *get_tcp_port(guint port); + +/* get_sctp_port returns the SCTP port name or "%u" if not found */ +extern gchar *get_sctp_port(guint port); + +/* + * Asynchronous host name lookup initialization, processing, and cleanup + */ + +/* host_name_lookup_init fires up an ADNS socket if we're using ADNS */ +extern void host_name_lookup_init(void); + +/* host_name_lookup_process does ADNS processing in GTK+ timeouts in Ethereal, + and before processing each packet in Tethereal, if we're using ADNS */ +extern gint host_name_lookup_process(gpointer data); + +/* host_name_lookup_cleanup cleans up an ADNS socket if we're using ADNS */ +extern void host_name_lookup_cleanup(void); + +/* get_hostname returns the host name or "%d.%d.%d.%d" if not found */ +extern gchar *get_hostname(guint addr); + +/* get_hostname6 returns the host name, or numeric addr if not found */ +struct e_in6_addr; +const gchar* get_hostname6(struct e_in6_addr *ad); + +/* get_ether_name returns the logical name if found in ethers files else + "<vendor>_%02x:%02x:%02x" if the vendor code is known else + "%02x:%02x:%02x:%02x:%02x:%02x" */ +extern gchar *get_ether_name(const guint8 *addr); + +/* get_ether_name returns the logical name if found in ethers files else NULL */ +extern gchar *get_ether_name_if_known(const guint8 *addr); + +/* get_manuf_name returns the vendor name or "%02x:%02x:%02x" if not known */ +extern const gchar *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 gchar *get_ipxnet_name(const guint32 addr); + +/* returns the ethernet address corresponding to name or NULL if not known */ +extern guint8 *get_ether_addr(const gchar *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 gchar *name, gboolean *known); + +/* adds a hostname/IP in the hash table */ +extern void add_host_name(guint addr, const gchar *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); + +/* + * Find out whether a hostname resolves to an ip or ipv6 address + * Return "ip6" if it is IPv6, "ip" otherwise (including the case + * that we don't know) + */ +const char* host_ip_af(const char *host); + +#endif /* __RESOLV_H__ */ |