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wireshark/tap-iousers.c

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/* tap-iousers.c
* iostat 2003 Ronnie Sahlberg
*
* $Id: tap-iousers.c,v 1.3 2003/03/03 23:20:57 sahlberg Exp $
*
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <string.h>
#include <epan/packet_info.h>
#include <epan/packet.h>
#include <epan/resolv.h>
#include "tap.h"
#include "register.h"
#include "packet-ip.h"
#include "packet-tcp.h"
#include "packet-eth.h"
#include "packet-tr.h"
#include <string.h>
typedef struct _io_users_t {
char *type;
char *filter;
struct _io_users_item_t *items;
} io_users_t;
typedef struct _io_users_item_t {
struct _io_users_item_t *next;
char *name1;
char *name2;
void *addr1;
void *addr2;
guint32 frames1;
guint32 frames2;
guint32 bytes1;
guint32 bytes2;
} io_users_item_t;
/* XXX for now we only handle ipv4 as transport for tcp.
should extend in the future to also handle ipv6
*/
static int
iousers_tcpip_packet(io_users_t *iu, packet_info *pinfo, epan_dissect_t *edt _U_, void *vtcph)
{
struct tcpheader *tcph=vtcph;
char name1[256],name2[256];
io_users_item_t *iui;
e_ip *ipv4_header;
int direction=0;
ipv4_header=tcph->ip_header;
switch(ipv4_header->ip_v_hl>>4){
case 4:
if(ipv4_header->ip_src>ipv4_header->ip_dst){
snprintf(name1,256,"%s:%s",get_hostname(ipv4_header->ip_src),get_tcp_port(tcph->th_sport));
snprintf(name2,256,"%s:%s",get_hostname(ipv4_header->ip_dst),get_tcp_port(tcph->th_dport));
} else {
direction=1;
snprintf(name2,256,"%s:%s",get_hostname(ipv4_header->ip_src),get_tcp_port(tcph->th_sport));
snprintf(name1,256,"%s:%s",get_hostname(ipv4_header->ip_dst),get_tcp_port(tcph->th_dport));
}
break;
default:
return 0;
}
for(iui=iu->items;iui;iui=iui->next){
if((!strcmp(iui->name1, name1))
&& (!strcmp(iui->name2, name2)) ){
break;
}
}
if(!iui){
iui=g_malloc(sizeof(io_users_item_t));
iui->next=iu->items;
iu->items=iui;
iui->addr1=NULL;
iui->name1=strdup(name1);
iui->addr2=NULL;
iui->name2=strdup(name2);
iui->frames1=0;
iui->frames2=0;
iui->bytes1=0;
iui->bytes2=0;
}
if(direction){
iui->frames1++;
iui->bytes1+=pinfo->fd->pkt_len;
} else {
iui->frames2++;
iui->bytes2+=pinfo->fd->pkt_len;
}
return 1;
}
static int
iousers_ip_packet(io_users_t *iu, packet_info *pinfo, epan_dissect_t *edt _U_, void *vip)
{
e_ip *iph=vip;
guint32 addr1, addr2;
io_users_item_t *iui;
if(iph->ip_src>iph->ip_dst){
addr1=iph->ip_src;
addr2=iph->ip_dst;
} else {
addr2=iph->ip_src;
addr1=iph->ip_dst;
}
for(iui=iu->items;iui;iui=iui->next){
if((!memcmp(iui->addr1, &addr1, 4))
&&(!memcmp(iui->addr2, &addr2, 4)) ){
break;
}
}
if(!iui){
iui=g_malloc(sizeof(io_users_item_t));
iui->next=iu->items;
iu->items=iui;
iui->addr1=g_malloc(4);
memcpy(iui->addr1, &addr1, 4);
iui->name1=strdup(get_hostname(addr1));
iui->addr2=g_malloc(4);
memcpy(iui->addr2, &addr2, 4);
iui->name2=strdup(get_hostname(addr2));
iui->frames1=0;
iui->frames2=0;
iui->bytes1=0;
iui->bytes2=0;
}
if(!memcmp(&iph->ip_src,iui->addr1,4)){
iui->frames1++;
iui->bytes1+=pinfo->fd->pkt_len;
} else {
iui->frames2++;
iui->bytes2+=pinfo->fd->pkt_len;
}
return 1;
}
static int
iousers_eth_packet(io_users_t *iu, packet_info *pinfo, epan_dissect_t *edt _U_, void *veth)
{
eth_hdr *ehdr=veth;
gchar *addr1, *addr2;
io_users_item_t *iui;
if(memcmp(ehdr->src, ehdr->dst, 6)<0){
addr1=ehdr->src;
addr2=ehdr->dst;
} else {
addr2=ehdr->src;
addr1=ehdr->dst;
}
for(iui=iu->items;iui;iui=iui->next){
if((!memcmp(iui->addr1, addr1, 6))
&&(!memcmp(iui->addr2, addr2, 6)) ){
break;
}
}
if(!iui){
iui=g_malloc(sizeof(io_users_item_t));
iui->next=iu->items;
iu->items=iui;
iui->addr1=g_malloc(6);
memcpy(iui->addr1, addr1, 6);
iui->name1=strdup(ether_to_str(addr1));
iui->addr2=g_malloc(6);
memcpy(iui->addr2, addr2, 6);
iui->name2=strdup(ether_to_str(addr2));
iui->frames1=0;
iui->frames2=0;
iui->bytes1=0;
iui->bytes2=0;
}
if(!memcmp(ehdr->dst,iui->addr1,6)){
iui->frames1++;
iui->bytes1+=pinfo->fd->pkt_len;
} else {
iui->frames2++;
iui->bytes2+=pinfo->fd->pkt_len;
}
return 1;
}
static int
iousers_tr_packet(io_users_t *iu, packet_info *pinfo, epan_dissect_t *edt _U_, void *vtr)
{
tr_hdr *trhdr=vtr;
gchar *addr1, *addr2;
io_users_item_t *iui;
if(memcmp(trhdr->src, trhdr->dst, 6)<0){
addr1=trhdr->src;
addr2=trhdr->dst;
} else {
addr2=trhdr->src;
addr1=trhdr->dst;
}
for(iui=iu->items;iui;iui=iui->next){
if((!memcmp(iui->addr1, addr1, 6))
&&(!memcmp(iui->addr2, addr2, 6)) ){
break;
}
}
if(!iui){
iui=g_malloc(sizeof(io_users_item_t));
iui->next=iu->items;
iu->items=iui;
iui->addr1=g_malloc(6);
memcpy(iui->addr1, addr1, 6);
iui->name1=strdup(ether_to_str(addr1));
iui->addr2=g_malloc(6);
memcpy(iui->addr2, addr2, 6);
iui->name2=strdup(ether_to_str(addr2));
iui->frames1=0;
iui->frames2=0;
iui->bytes1=0;
iui->bytes2=0;
}
if(!memcmp(trhdr->dst,iui->addr1,6)){
iui->frames1++;
iui->bytes1+=pinfo->fd->pkt_len;
} else {
iui->frames2++;
iui->bytes2+=pinfo->fd->pkt_len;
}
return 1;
}
static void
iousers_draw(io_users_t *iu)
{
io_users_item_t *iui;
guint32 last_frames, max_frames;
printf("================================================================================\n");
printf("IO-USERS Statistics\n");
printf("Type:%s\n",iu->type);
printf("Filter:%s\n",iu->filter?iu->filter:"<No Filter>");
printf(" | <- | | -> | | Total |\n");
printf(" | Frames Bytes | | Frames Bytes | | Frames Bytes |\n");
max_frames=0xffffffff;
do {
last_frames=0;
for(iui=iu->items;iui;iui=iui->next){
guint32 tot_frames;
tot_frames=iui->frames1+iui->frames2;
if((tot_frames>last_frames)
&&(tot_frames<max_frames)){
last_frames=tot_frames;
}
}
for(iui=iu->items;iui;iui=iui->next){
guint32 tot_frames;
tot_frames=iui->frames1+iui->frames2;
if(tot_frames==last_frames){
printf("%-20s <-> %-20s %6d %9d %6d %9d %6d %9d\n",
iui->name1, iui->name2,
iui->frames1, iui->bytes1,
iui->frames2, iui->bytes2,
iui->frames1+iui->frames2,
iui->bytes1+iui->bytes2
);
}
}
max_frames=last_frames;
} while(last_frames);
printf("================================================================================\n");
}
void
iousers_init(char *optarg)
{
char *filter=NULL;
char *tap_type;
static int (*packet_func)(io_users_t *, packet_info *, epan_dissect_t *, void *);
io_users_t *iu=NULL;
if(!strncmp(optarg,"io,users,eth",12)){
if(optarg[12]==','){
filter=optarg+13;
} else {
filter=NULL;
}
tap_type="eth";
packet_func=iousers_eth_packet;
} else if(!strncmp(optarg,"io,users,tcpip",14)){
if(optarg[14]==','){
filter=optarg+15;
} else {
filter=NULL;
}
tap_type="tcp";
packet_func=iousers_tcpip_packet;
} else if(!strncmp(optarg,"io,users,tr",11)){
if(optarg[11]==','){
filter=optarg+12;
} else {
filter=NULL;
}
tap_type="tr";
packet_func=iousers_tr_packet;
} else if(!strncmp(optarg,"io,users,ip",11)){
if(optarg[11]==','){
filter=optarg+12;
} else {
filter=NULL;
}
tap_type="ip";
packet_func=iousers_ip_packet;
} else {
fprintf(stderr, "tethereal: invalid \"-z io,users,<type>[,<filter>]\" argument\n");
fprintf(stderr," <type> must be one of\n");
fprintf(stderr," \"eth\"\n");
fprintf(stderr," \"ip\"\n");
fprintf(stderr," \"tcpip\"\n");
fprintf(stderr," \"tr\"\n");
exit(1);
}
iu=g_malloc(sizeof(io_users_t));
iu->items=NULL;
iu->type=tap_type;
if(filter){
iu->filter=strdup(filter);
} else {
iu->filter=NULL;
}
if(register_tap_listener(tap_type, iu, filter, NULL, (void*)packet_func, (void*)iousers_draw)){
if(iu->items){
g_free(iu->items);
}
g_free(iu);
fprintf(stderr,"tethereal: iousers_init() failed to attach tap\n");
exit(1);
}
}
void
register_tap_listener_iousers(void)
{
register_ethereal_tap("io,users,", iousers_init, NULL, NULL);
}
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