forked from osmocom/wireshark
![Bill Meier](/assets/img/avatar_default.png)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4422 From me: Fix a number of instances where the function prototype or the function definition wasn't changed so there was a mismatch thus causing Windows (but not gcc) compilation errors. svn path=/trunk/; revision=32365
407 lines
11 KiB
C
407 lines
11 KiB
C
/* address_to_str.c
|
|
* Routines for utilities to convert addresses to strings.
|
|
*
|
|
* $Id$
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* 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.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
# include <sys/types.h> /* needed for <netinet/in.h> */
|
|
#endif
|
|
|
|
#ifdef HAVE_NETINET_IN_H
|
|
# include <netinet/in.h> /* needed for <arpa/inet.h> on some platforms */
|
|
#endif
|
|
|
|
#ifdef HAVE_ARPA_INET_H
|
|
#include <arpa/inet.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h> /* needed to define AF_ values on UNIX */
|
|
#endif
|
|
|
|
#ifdef HAVE_WINSOCK2_H
|
|
#include <winsock2.h> /* needed to define AF_ values on Windows */
|
|
#endif
|
|
|
|
#ifdef NEED_INET_V6DEFS_H
|
|
# include "inet_v6defs.h"
|
|
#endif
|
|
|
|
#include "to_str.h"
|
|
#include "value_string.h"
|
|
#include "addr_resolv.h"
|
|
#include "pint.h"
|
|
#include "atalk-utils.h"
|
|
#include "sna-utils.h"
|
|
#include "osi-utils.h"
|
|
#include <epan/dissectors/packet-mtp3.h>
|
|
#include <stdio.h>
|
|
#include "emem.h"
|
|
|
|
/* private to_str.c API, don't export to .h! */
|
|
char *word_to_hex(char *out, guint16 word);
|
|
char *dword_to_hex_punct(char *out, guint32 dword, char punct);
|
|
char *dword_to_hex(char *out, guint32 dword);
|
|
char *bytes_to_hexstr(char *out, const guint8 *ad, guint32 len);
|
|
char *bytes_to_hexstr_punct(char *out, const guint8 *ad, guint32 len, char punct);
|
|
|
|
/*
|
|
* If a user _does_ pass in a too-small buffer, this is probably
|
|
* going to be too long to fit. However, even a partial string
|
|
* starting with "[Buf" should provide enough of a clue to be
|
|
* useful.
|
|
*/
|
|
#define BUF_TOO_SMALL_ERR "[Buffer too small]"
|
|
|
|
/* Wrapper for the most common case of asking
|
|
* for a string using a colon as the hex-digit separator.
|
|
*/
|
|
/* XXX FIXME
|
|
remove this one later when every call has been converted to ep_address_to_str()
|
|
*/
|
|
gchar *
|
|
ether_to_str(const guint8 *ad)
|
|
{
|
|
return bytestring_to_str(ad, 6, ':');
|
|
}
|
|
|
|
/*
|
|
This function is very fast and this function is called a lot.
|
|
XXX update the ep_address_to_str stuff to use this function.
|
|
*/
|
|
const gchar *
|
|
ip_to_str(const guint8 *ad) {
|
|
gchar *buf;
|
|
|
|
buf=ep_alloc(MAX_IP_STR_LEN);
|
|
ip_to_str_buf(ad, buf, MAX_IP_STR_LEN);
|
|
return buf;
|
|
}
|
|
|
|
/* XXX FIXME
|
|
remove this one later when every call has been converted to ep_address_to_str()
|
|
*/
|
|
gchar *
|
|
ip6_to_str(const struct e_in6_addr *ad) {
|
|
#ifndef INET6_ADDRSTRLEN
|
|
#define INET6_ADDRSTRLEN 46
|
|
#endif
|
|
static gchar *str;
|
|
|
|
str=ep_alloc(INET6_ADDRSTRLEN+1);
|
|
|
|
ip6_to_str_buf(ad, str);
|
|
return str;
|
|
}
|
|
|
|
void
|
|
ip6_to_str_buf(const struct e_in6_addr *ad, gchar *buf)
|
|
{
|
|
inet_ntop(AF_INET6, (const guchar*)ad, buf, INET6_ADDRSTRLEN);
|
|
}
|
|
|
|
gchar*
|
|
ipx_addr_to_str(const guint32 net, const guint8 *ad)
|
|
{
|
|
gchar *buf;
|
|
char *name;
|
|
|
|
name = get_ether_name_if_known(ad);
|
|
|
|
if (name) {
|
|
buf = ep_strdup_printf("%s.%s", get_ipxnet_name(net), name);
|
|
}
|
|
else {
|
|
buf = ep_strdup_printf("%s.%s", get_ipxnet_name(net),
|
|
bytestring_to_str(ad, 6, '\0'));
|
|
}
|
|
return buf;
|
|
}
|
|
|
|
gchar*
|
|
ipxnet_to_string(const guint8 *ad)
|
|
{
|
|
guint32 addr = pntohl(ad);
|
|
return ipxnet_to_str_punct(addr, ' ');
|
|
}
|
|
|
|
gchar *
|
|
ipxnet_to_str_punct(const guint32 ad, const char punct)
|
|
{
|
|
gchar *buf = ep_alloc(12);
|
|
|
|
*dword_to_hex_punct(buf, ad, punct) = '\0';
|
|
return buf;
|
|
}
|
|
|
|
static void
|
|
vines_addr_to_str_buf(const guint8 *addrp, gchar *buf, int buf_len)
|
|
{
|
|
if (buf_len < 14) {
|
|
g_strlcpy(buf, BUF_TOO_SMALL_ERR, buf_len); /* Let the unexpected value alert user */
|
|
return;
|
|
}
|
|
|
|
buf = dword_to_hex(buf, pntohl(&addrp[0])); /* 8 bytes */
|
|
*buf++ = '.'; /* 1 byte */
|
|
buf = word_to_hex(buf, pntohs(&addrp[4])); /* 4 bytes */
|
|
*buf = '\0'; /* 1 byte */
|
|
}
|
|
|
|
gchar *
|
|
vines_addr_to_str(const guint8 *addrp)
|
|
{
|
|
gchar *buf;
|
|
|
|
buf=ep_alloc(214); /* XXX, 14 here? */
|
|
|
|
vines_addr_to_str_buf(addrp, buf, 214);
|
|
return buf;
|
|
}
|
|
|
|
static void
|
|
usb_addr_to_str_buf(const guint8 *addrp, gchar *buf, int buf_len)
|
|
{
|
|
if(pletohl(&addrp[0])==0xffffffff){
|
|
g_snprintf(buf, buf_len, "host");
|
|
} else {
|
|
g_snprintf(buf, buf_len, "%d.%d", pletohl(&addrp[0]), pletohl(&addrp[4]));
|
|
}
|
|
}
|
|
|
|
static void
|
|
tipc_addr_to_str_buf( const guint8 *data, gchar *buf, int buf_len){
|
|
guint8 zone;
|
|
guint16 subnetwork;
|
|
guint16 processor;
|
|
guint32 tipc_address;
|
|
|
|
tipc_address = data[0];
|
|
tipc_address = (tipc_address << 8) ^ data[1];
|
|
tipc_address = (tipc_address << 8) ^ data[2];
|
|
tipc_address = (tipc_address << 8) ^ data[3];
|
|
|
|
processor = tipc_address & 0x0fff;
|
|
|
|
tipc_address = tipc_address >> 12;
|
|
subnetwork = tipc_address & 0x0fff;
|
|
|
|
tipc_address = tipc_address >> 12;
|
|
zone = tipc_address & 0xff;
|
|
|
|
g_snprintf(buf,buf_len,"%u.%u.%u",zone,subnetwork,processor);
|
|
}
|
|
|
|
/* XXX FIXME
|
|
remove this one later when every call has been converted to ep_address_to_str()
|
|
*/
|
|
gchar *
|
|
fc_to_str(const guint8 *ad)
|
|
{
|
|
return bytestring_to_str (ad, 3, '.');
|
|
}
|
|
|
|
/* FC Network Header Network Address Authority Identifiers */
|
|
|
|
#define FC_NH_NAA_IEEE 1 /* IEEE 802.1a */
|
|
#define FC_NH_NAA_IEEE_E 2 /* IEEE Exteneded */
|
|
#define FC_NH_NAA_LOCAL 3
|
|
#define FC_NH_NAA_IP 4 /* 32-bit IP address */
|
|
#define FC_NH_NAA_IEEE_R 5 /* IEEE Registered */
|
|
#define FC_NH_NAA_IEEE_R_E 6 /* IEEE Registered Exteneded */
|
|
/* according to FC-PH 3 draft these are now reclaimed and reserved */
|
|
#define FC_NH_NAA_CCITT_INDV 12 /* CCITT 60 bit individual address */
|
|
#define FC_NH_NAA_CCITT_GRP 14 /* CCITT 60 bit group address */
|
|
|
|
gchar *
|
|
fcwwn_to_str (const guint8 *ad)
|
|
{
|
|
int fmt;
|
|
guint8 oui[6];
|
|
gchar *ethstr;
|
|
gchar *ethptr;
|
|
|
|
if (ad == NULL) return NULL;
|
|
|
|
ethstr=ep_alloc(512);
|
|
ethptr = bytes_to_hexstr_punct(ethstr, ad, 8, ':'); /* 23 bytes */
|
|
|
|
fmt = (ad[0] & 0xF0) >> 4;
|
|
|
|
switch (fmt) {
|
|
|
|
case FC_NH_NAA_IEEE:
|
|
case FC_NH_NAA_IEEE_E:
|
|
memcpy (oui, &ad[2], 6);
|
|
|
|
g_snprintf (ethptr, 512-23, " (%s)", get_manuf_name (oui));
|
|
break;
|
|
|
|
case FC_NH_NAA_IEEE_R:
|
|
oui[0] = ((ad[0] & 0x0F) << 4) | ((ad[1] & 0xF0) >> 4);
|
|
oui[1] = ((ad[1] & 0x0F) << 4) | ((ad[2] & 0xF0) >> 4);
|
|
oui[2] = ((ad[2] & 0x0F) << 4) | ((ad[3] & 0xF0) >> 4);
|
|
oui[3] = ((ad[3] & 0x0F) << 4) | ((ad[4] & 0xF0) >> 4);
|
|
oui[4] = ((ad[4] & 0x0F) << 4) | ((ad[5] & 0xF0) >> 4);
|
|
oui[5] = ((ad[5] & 0x0F) << 4) | ((ad[6] & 0xF0) >> 4);
|
|
|
|
g_snprintf (ethptr, 512-23, " (%s)", get_manuf_name (oui));
|
|
break;
|
|
|
|
default:
|
|
*ethptr = '\0';
|
|
break;
|
|
}
|
|
return (ethstr);
|
|
}
|
|
|
|
/*XXX FIXME the code below may be called very very frequently in the future.
|
|
optimize it for speed and get rid of the slow sprintfs */
|
|
/* XXX - perhaps we should have individual address types register
|
|
a table of routines to do operations such as address-to-name translation,
|
|
address-to-string translation, and the like, and have this call them,
|
|
and also have an address-to-string-with-a-name routine */
|
|
/* XXX - use this, and that future address-to-string-with-a-name routine,
|
|
in "col_set_addr()"; it might also be useful to have address types
|
|
export the names of the source and destination address fields, so
|
|
that "col_set_addr()" need know nothing whatsoever about particular
|
|
address types */
|
|
/* convert an address struct into a printable string */
|
|
|
|
gchar*
|
|
ep_address_to_str(const address *addr)
|
|
{
|
|
gchar *str;
|
|
|
|
str=ep_alloc(MAX_ADDR_STR_LEN);
|
|
address_to_str_buf(addr, str, MAX_ADDR_STR_LEN);
|
|
return str;
|
|
}
|
|
|
|
/* The called routines use se_alloc'ed memory */
|
|
gchar*
|
|
se_address_to_str(const address *addr)
|
|
{
|
|
gchar *str;
|
|
|
|
str=se_alloc(MAX_ADDR_STR_LEN);
|
|
address_to_str_buf(addr, str, MAX_ADDR_STR_LEN);
|
|
return str;
|
|
}
|
|
|
|
void
|
|
address_to_str_buf(const address *addr, gchar *buf, int buf_len)
|
|
{
|
|
const guint8 *addrdata;
|
|
struct atalk_ddp_addr ddp_addr;
|
|
|
|
char temp[32];
|
|
char *tempptr = temp;
|
|
|
|
if (!buf || !buf_len)
|
|
return;
|
|
|
|
switch(addr->type){
|
|
case AT_NONE:
|
|
buf[0] = '\0';
|
|
break;
|
|
case AT_ETHER: /* 18 bytes */
|
|
tempptr = bytes_to_hexstr_punct(tempptr, addr->data, 6, ':'); /* 17 bytes */
|
|
break;
|
|
case AT_IPv4:
|
|
ip_to_str_buf(addr->data, buf, buf_len);
|
|
break;
|
|
case AT_IPv6:
|
|
if ( inet_ntop(AF_INET6, addr->data, buf, buf_len) == NULL ) /* Returns NULL if no space and does not touch buf */
|
|
g_snprintf ( buf, buf_len, BUF_TOO_SMALL_ERR ); /* Let the unexpected value alert user */
|
|
break;
|
|
case AT_IPX: /* 22 bytes */
|
|
addrdata = addr->data;
|
|
tempptr = bytes_to_hexstr(tempptr, &addrdata[0], 4); /* 8 bytes */
|
|
*tempptr++ = '.'; /* 1 byte */
|
|
tempptr = bytes_to_hexstr(tempptr, &addrdata[4], 6); /* 12 bytes */
|
|
break;
|
|
case AT_SNA:
|
|
sna_fid_to_str_buf(addr, buf, buf_len);
|
|
break;
|
|
case AT_ATALK:
|
|
memcpy(&ddp_addr, addr->data, sizeof ddp_addr);
|
|
atalk_addr_to_str_buf(&ddp_addr, buf, buf_len);
|
|
break;
|
|
case AT_VINES:
|
|
vines_addr_to_str_buf(addr->data, buf, buf_len);
|
|
break;
|
|
case AT_USB:
|
|
usb_addr_to_str_buf(addr->data, buf, buf_len);
|
|
break;
|
|
case AT_OSI:
|
|
print_nsap_net_buf(addr->data, addr->len, buf, buf_len);
|
|
break;
|
|
case AT_ARCNET: /* 5 bytes */
|
|
tempptr = g_stpcpy(tempptr, "0x"); /* 2 bytes */
|
|
tempptr = bytes_to_hexstr(tempptr, addr->data, 1); /* 2 bytes */
|
|
break;
|
|
case AT_FC: /* 9 bytes */
|
|
tempptr = bytes_to_hexstr_punct(tempptr, addr->data, 3, '.'); /* 8 bytes */
|
|
break;
|
|
case AT_SS7PC:
|
|
mtp3_addr_to_str_buf((const mtp3_addr_pc_t *)addr->data, buf, buf_len);
|
|
break;
|
|
case AT_STRINGZ:
|
|
g_strlcpy(buf, addr->data, buf_len);
|
|
break;
|
|
case AT_EUI64: /* 24 bytes */
|
|
tempptr = bytes_to_hexstr_punct(tempptr, addr->data, 8, ':'); /* 23 bytes */
|
|
break;
|
|
case AT_URI: {
|
|
int copy_len = addr->len < (buf_len - 1) ? addr->len : (buf_len - 1);
|
|
memcpy(buf, addr->data, copy_len );
|
|
buf[copy_len] = '\0';
|
|
}
|
|
break;
|
|
case AT_TIPC:
|
|
tipc_addr_to_str_buf(addr->data, buf, buf_len);
|
|
break;
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
|
|
/* copy to output buffer */
|
|
if (tempptr != temp) {
|
|
size_t temp_len = (size_t) (tempptr - temp);
|
|
|
|
if (temp_len < (size_t) buf_len) {
|
|
memcpy(buf, temp, temp_len);
|
|
buf[temp_len] = '\0';
|
|
} else
|
|
g_strlcpy(buf, BUF_TOO_SMALL_ERR, buf_len);/* Let the unexpected value alert user */
|
|
}
|
|
}
|
|
|