2 * Definitions for network object lookup
6 * Laurent Deniel <laurent.deniel@free.fr>
8 * Ethereal - Network traffic analyzer
9 * By Gerald Combs <gerald@ethereal.com>
10 * Copyright 1998 Gerald Combs
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
31 #define MAXNAMELEN 64 /* max name length (hostname and port name) */
35 * Flag controlling what names to resolve.
37 ETH_VAR_IMPORT guint32 g_resolv_flags;
39 /* 32 types are sufficient (as are 640k of RAM) */
40 /* FIXME: Maybe MANUF/m, IP/i, IP6/6, IPX/x, UDP+TCP/t etc would be
41 more useful/consistent */
42 #define RESOLV_NONE 0x0
43 #define RESOLV_MAC 0x1
44 #define RESOLV_NETWORK 0x2
45 #define RESOLV_TRANSPORT 0x4
46 #define RESOLV_CONCURRENT 0x8
48 #define RESOLV_ALL_ADDRS (RESOLV_MAC|RESOLV_NETWORK|RESOLV_TRANSPORT)
49 #define RESOLV_ALL 0xFFFFFFFF
51 /* global variables */
53 extern gchar *g_ethers_path;
54 extern gchar *g_ipxnets_path;
55 extern gchar *g_pethers_path;
56 extern gchar *g_pipxnets_path;
58 /* Functions in resolv.c */
60 /* Set the flags controlling what names to resolve */
61 extern void resolv_set_flags(guint32 flags);
63 /* get_tcp_port returns the UDP port name or "%u" if not found */
64 extern gchar *get_udp_port(guint port);
66 /* get_tcp_port returns the TCP port name or "%u" if not found */
67 extern gchar *get_tcp_port(guint port);
69 /* get_sctp_port returns the SCTP port name or "%u" if not found */
70 extern gchar *get_sctp_port(guint port);
73 * Asynchronous host name lookup initialization, processing, and cleanup
76 /* host_name_lookup_init fires up an ADNS socket if we're using ADNS */
77 extern void host_name_lookup_init(void);
79 /* host_name_lookup_process does ADNS processing in GTK+ timeouts in Ethereal,
80 and before processing each packet in Tethereal, if we're using ADNS */
81 extern gint host_name_lookup_process(gpointer data);
83 /* host_name_lookup_cleanup cleans up an ADNS socket if we're using ADNS */
84 extern void host_name_lookup_cleanup(void);
86 /* get_hostname returns the host name or "%d.%d.%d.%d" if not found */
87 extern gchar *get_hostname(guint addr);
89 /* get_hostname6 returns the host name, or numeric addr if not found */
91 const gchar* get_hostname6(struct e_in6_addr *ad);
93 /* get_ether_name returns the logical name if found in ethers files else
94 "<vendor>_%02x:%02x:%02x" if the vendor code is known else
95 "%02x:%02x:%02x:%02x:%02x:%02x" */
96 extern gchar *get_ether_name(const guint8 *addr);
98 /* get_ether_name returns the logical name if found in ethers files else NULL */
99 extern gchar *get_ether_name_if_known(const guint8 *addr);
101 /* get_manuf_name returns the vendor name or "%02x:%02x:%02x" if not known */
102 extern const gchar *get_manuf_name(const guint8 *addr);
104 /* get_ipxnet_name returns the logical name if found in an ipxnets file,
105 * or a string formatted with "%X" if not */
106 extern const gchar *get_ipxnet_name(const guint32 addr);
108 /* returns the ethernet address corresponding to name or NULL if not known */
109 extern guint8 *get_ether_addr(const gchar *name);
111 /* returns the ipx network corresponding to name. If name is unknown,
112 * 0 is returned and 'known' is set to FALSE. On success, 'known'
114 guint32 get_ipxnet_addr(const gchar *name, gboolean *known);
116 /* adds a hostname/IPv4 in the hash table */
117 extern void add_ipv4_name(guint addr, const gchar *name);
119 /* add ethernet address / name corresponding to IP address */
120 extern void add_ether_byip(guint ip, const guint8 *eth);
122 /* Translates a string representing the hostname or dotted-decimal IP address
123 * into a numeric IP address value, returning TRUE if it succeeds and
124 * FALSE if it fails. */
125 gboolean get_host_ipaddr(const char *host, guint32 *addrp);
128 * Translate IPv6 numeric address or FQDN hostname, into binary IPv6 address.
129 * Return TRUE if we succeed and set "*addrp" to that numeric IP address;
130 * return FALSE if we fail.
132 gboolean get_host_ipaddr6(const char *host, struct e_in6_addr *addrp);
135 * Find out whether a hostname resolves to an ip or ipv6 address
136 * Return "ip6" if it is IPv6, "ip" otherwise (including the case
137 * that we don't know)
139 const char* host_ip_af(const char *host);
141 #endif /* __RESOLV_H__ */