forked from osmocom/wireshark
8b7b1ff28e
For short packets, we might not have enough of the payload to decode the transaction info levels and thus that data structure is NULL. check the pointer to this struct first before we try to dereference it. svn path=/trunk/; revision=8558
285 lines
6.7 KiB
C
285 lines
6.7 KiB
C
/* tap-smbstat.c
|
|
* smbstat 2003 Ronnie Sahlberg
|
|
*
|
|
* $Id: tap-smbstat.c,v 1.5 2003/09/28 00:00:36 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 "tap.h"
|
|
#include "epan/value_string.h"
|
|
#include "smb.h"
|
|
#include "register.h"
|
|
#include "timestats.h"
|
|
|
|
/* used to keep track of the statistics for an entire program interface */
|
|
typedef struct _smbstat_t {
|
|
char *filter;
|
|
timestat_t proc[256];
|
|
timestat_t trans2[256];
|
|
timestat_t nt_trans[256];
|
|
} smbstat_t;
|
|
|
|
|
|
|
|
static int
|
|
smbstat_packet(void *pss, packet_info *pinfo, epan_dissect_t *edt _U_, void *psi)
|
|
{
|
|
smbstat_t *ss=(smbstat_t *)pss;
|
|
smb_info_t *si=psi;
|
|
nstime_t delta;
|
|
timestat_t *sp=NULL;
|
|
|
|
/* we are only interested in reply packets */
|
|
if(si->request){
|
|
return 0;
|
|
}
|
|
/* if we havnt seen the request, just ignore it */
|
|
if(!si->sip){
|
|
return 0;
|
|
}
|
|
|
|
if(si->cmd==0xA0){
|
|
smb_nt_transact_info_t *sti=(smb_nt_transact_info_t *)si->sip->extra_info;
|
|
|
|
/*nt transaction*/
|
|
if(sti){
|
|
sp=&(ss->nt_trans[sti->subcmd]);
|
|
}
|
|
} else if(si->cmd==0x32){
|
|
smb_transact2_info_t *st2i=(smb_transact2_info_t *)si->sip->extra_info;
|
|
|
|
/*transaction2*/
|
|
if(st2i){
|
|
sp=&(ss->trans2[st2i->subcmd]);
|
|
}
|
|
} else {
|
|
sp=&(ss->proc[si->cmd]);
|
|
}
|
|
|
|
/* calculate time delta between request and reply */
|
|
delta.secs=pinfo->fd->abs_secs-si->sip->req_time.secs;
|
|
delta.nsecs=pinfo->fd->abs_usecs*1000-si->sip->req_time.nsecs;
|
|
if(delta.nsecs<0){
|
|
delta.nsecs+=1000000000;
|
|
delta.secs--;
|
|
}
|
|
|
|
if(sp){
|
|
time_stat_update(sp,&delta, pinfo);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
smbstat_draw(void *pss)
|
|
{
|
|
smbstat_t *ss=(smbstat_t *)pss;
|
|
guint32 i;
|
|
#ifdef G_HAVE_UINT64
|
|
guint64 td;
|
|
#else
|
|
guint32 td;
|
|
#endif
|
|
printf("\n");
|
|
printf("===================================================================\n");
|
|
printf("SMB RTT Statistics:\n");
|
|
printf("Filter: %s\n",ss->filter?ss->filter:"");
|
|
printf("Commands Calls Min RTT Max RTT Avg RTT\n");
|
|
for(i=0;i<256;i++){
|
|
/* nothing seen, nothing to do */
|
|
if(ss->proc[i].num==0){
|
|
continue;
|
|
}
|
|
|
|
/* we deal with transaction2 later */
|
|
if(i==0x32){
|
|
continue;
|
|
}
|
|
|
|
/* we deal with nt transaction later */
|
|
if(i==0xA0){
|
|
continue;
|
|
}
|
|
|
|
/* scale it to units of 10us.*/
|
|
/* for long captures with a large tot time, this can overflow on 32bit */
|
|
td=(int)ss->proc[i].tot.secs;
|
|
td=td*100000+(int)ss->proc[i].tot.nsecs/10000;
|
|
if(ss->proc[i].num){
|
|
td/=ss->proc[i].num;
|
|
} else {
|
|
td=0;
|
|
}
|
|
|
|
printf("%-25s %6d %3d.%05d %3d.%05d %3d.%05d\n",
|
|
val_to_str(i, smb_cmd_vals, "Unknown (0x%02x)"),
|
|
ss->proc[i].num,
|
|
(int)ss->proc[i].min.secs,ss->proc[i].min.nsecs/10000,
|
|
(int)ss->proc[i].max.secs,ss->proc[i].max.nsecs/10000,
|
|
td/100000, td%100000
|
|
);
|
|
}
|
|
|
|
printf("\n");
|
|
printf("Transaction2 Commands Calls Min RTT Max RTT Avg RTT\n");
|
|
for(i=0;i<256;i++){
|
|
/* nothing seen, nothing to do */
|
|
if(ss->trans2[i].num==0){
|
|
continue;
|
|
}
|
|
|
|
/* scale it to units of 10us.*/
|
|
/* for long captures with a large tot time, this can overflow on 32bit */
|
|
td=(int)ss->trans2[i].tot.secs;
|
|
td=td*100000+(int)ss->trans2[i].tot.nsecs/10000;
|
|
if(ss->trans2[i].num){
|
|
td/=ss->trans2[i].num;
|
|
} else {
|
|
td=0;
|
|
}
|
|
|
|
printf("%-25s %6d %3d.%05d %3d.%05d %3d.%05d\n",
|
|
val_to_str(i, trans2_cmd_vals, "Unknown (0x%02x)"),
|
|
ss->trans2[i].num,
|
|
(int)ss->trans2[i].min.secs,ss->trans2[i].min.nsecs/10000,
|
|
(int)ss->trans2[i].max.secs,ss->trans2[i].max.nsecs/10000,
|
|
td/100000, td%100000
|
|
);
|
|
}
|
|
|
|
printf("\n");
|
|
printf("NT Transaction Commands Calls Min RTT Max RTT Avg RTT\n");
|
|
for(i=0;i<256;i++){
|
|
/* nothing seen, nothing to do */
|
|
if(ss->nt_trans[i].num==0){
|
|
continue;
|
|
}
|
|
|
|
/* scale it to units of 10us.*/
|
|
/* for long captures with a large tot time, this can overflow on 32bit */
|
|
td=(int)ss->nt_trans[i].tot.secs;
|
|
td=td*100000+(int)ss->nt_trans[i].tot.nsecs/10000;
|
|
if(ss->nt_trans[i].num){
|
|
td/=ss->nt_trans[i].num;
|
|
} else {
|
|
td=0;
|
|
}
|
|
|
|
printf("%-25s %6d %3d.%05d %3d.%05d %3d.%05d\n",
|
|
val_to_str(i, nt_cmd_vals, "Unknown (0x%02x)"),
|
|
ss->nt_trans[i].num,
|
|
(int)ss->nt_trans[i].min.secs,ss->nt_trans[i].min.nsecs/10000,
|
|
(int)ss->nt_trans[i].max.secs,ss->nt_trans[i].max.nsecs/10000,
|
|
td/100000, td%100000
|
|
);
|
|
}
|
|
|
|
printf("===================================================================\n");
|
|
}
|
|
|
|
|
|
static void
|
|
smbstat_init(char *optarg)
|
|
{
|
|
smbstat_t *ss;
|
|
guint32 i;
|
|
char *filter=NULL;
|
|
GString *error_string;
|
|
|
|
if(!strncmp(optarg,"smb,rtt,",8)){
|
|
filter=optarg+8;
|
|
} else {
|
|
filter=NULL;
|
|
}
|
|
|
|
ss=g_malloc(sizeof(smbstat_t));
|
|
if(filter){
|
|
ss->filter=g_malloc(strlen(filter)+1);
|
|
strcpy(ss->filter, filter);
|
|
} else {
|
|
ss->filter=NULL;
|
|
}
|
|
|
|
for(i=0;i<256;i++){
|
|
ss->proc[i].num=0;
|
|
ss->proc[i].min_num=0;
|
|
ss->proc[i].max_num=0;
|
|
ss->proc[i].min.secs=0;
|
|
ss->proc[i].min.nsecs=0;
|
|
ss->proc[i].max.secs=0;
|
|
ss->proc[i].max.nsecs=0;
|
|
ss->proc[i].tot.secs=0;
|
|
ss->proc[i].tot.nsecs=0;
|
|
|
|
ss->trans2[i].num=0;
|
|
ss->trans2[i].min_num=0;
|
|
ss->trans2[i].max_num=0;
|
|
ss->trans2[i].min.secs=0;
|
|
ss->trans2[i].min.nsecs=0;
|
|
ss->trans2[i].max.secs=0;
|
|
ss->trans2[i].max.nsecs=0;
|
|
ss->trans2[i].tot.secs=0;
|
|
ss->trans2[i].tot.nsecs=0;
|
|
|
|
ss->nt_trans[i].num=0;
|
|
ss->nt_trans[i].min_num=0;
|
|
ss->nt_trans[i].max_num=0;
|
|
ss->nt_trans[i].min.secs=0;
|
|
ss->nt_trans[i].min.nsecs=0;
|
|
ss->nt_trans[i].max.secs=0;
|
|
ss->nt_trans[i].max.nsecs=0;
|
|
ss->nt_trans[i].tot.secs=0;
|
|
ss->nt_trans[i].tot.nsecs=0;
|
|
}
|
|
|
|
error_string=register_tap_listener("smb", ss, filter, NULL, smbstat_packet, smbstat_draw);
|
|
if(error_string){
|
|
/* error, we failed to attach to the tap. clean up */
|
|
g_free(ss->filter);
|
|
g_free(ss);
|
|
|
|
fprintf(stderr, "tethereal: Couldn't register smb,rtt tap: %s\n",
|
|
error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
register_tap_listener_smbstat(void)
|
|
{
|
|
register_ethereal_tap("smb,rtt", smbstat_init);
|
|
}
|
|
|