2006-10-24 05:21:00 +00:00
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/* tap-radiusstat.c
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* Copyright 2006 Alejandro Vaquero <alejandrovaquero@yahoo.com>
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*
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2008-02-18 22:39:03 +00:00
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* $Id$
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2006-10-24 05:21:00 +00:00
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include <string.h>
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#include "epan/packet_info.h"
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#include <epan/tap.h>
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#include <epan/stat_cmd_args.h>
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#include "epan/value_string.h"
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#include "register.h"
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#include <epan/dissectors/packet-radius.h>
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#include "timestats.h"
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#define NUM_TIMESTATS 8
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/* used to keep track of the statistics for an entire program interface */
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typedef struct _radiusstat_t {
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char *filter;
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timestat_t rtd[NUM_TIMESTATS];
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guint32 open_req_num;
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guint32 disc_rsp_num;
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guint32 req_dup_num;
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guint32 rsp_dup_num;
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} radiusstat_t;
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static const value_string radius_message_code[] = {
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{ 0, "Overall "},
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{ 1, "Access "},
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{ 2, "Accounting "},
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{ 3, "Access Passw "},
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{ 4, "Ascend Acce Ev"},
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{ 5, "Diconnect "},
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{ 6, "Change Filter "},
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{ 7, "Other "},
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};
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static int
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radiusstat_packet(void *prs, packet_info *pinfo, epan_dissect_t *edt _U_, const void *pri)
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{
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radiusstat_t *rs=(radiusstat_t *)prs;
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const radius_info_t *ri=pri;
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nstime_t delta;
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2008-02-07 12:52:08 +00:00
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int ret = 0;
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2006-10-24 05:21:00 +00:00
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switch (ri->code) {
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case RADIUS_ACCESS_REQUEST:
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case RADIUS_ACCOUNTING_REQUEST:
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case RADIUS_ACCESS_PASSWORD_REQUEST:
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case RADIUS_ASCEND_ACCESS_EVENT_REQUEST:
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case RADIUS_DISCONNECT_REQUEST:
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case RADIUS_CHANGE_FILTER_REQUEST:
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if(ri->is_duplicate){
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/* Duplicate is ignored */
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rs->req_dup_num++;
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}
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else {
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rs->open_req_num++;
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}
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2008-02-07 12:52:08 +00:00
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break;
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2006-10-24 05:21:00 +00:00
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case RADIUS_ACCESS_ACCEPT:
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case RADIUS_ACCESS_REJECT:
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case RADIUS_ACCOUNTING_RESPONSE:
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case RADIUS_ACCESS_PASSWORD_ACK:
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case RADIUS_ACCESS_PASSWORD_REJECT:
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case RADIUS_ASCEND_ACCESS_EVENT_RESPONSE:
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case RADIUS_DISCONNECT_REQUEST_ACK:
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case RADIUS_DISCONNECT_REQUEST_NAK:
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case RADIUS_CHANGE_FILTER_REQUEST_ACK:
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case RADIUS_CHANGE_FILTER_REQUEST_NAK:
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if(ri->is_duplicate){
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/* Duplicate is ignored */
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rs->rsp_dup_num++;
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}
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else if (!ri->request_available) {
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/* no request was seen */
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rs->disc_rsp_num++;
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}
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else {
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rs->open_req_num--;
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/* calculate time delta between request and response */
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nstime_delta(&delta, &pinfo->fd->abs_ts, &ri->req_time);
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time_stat_update(&(rs->rtd[0]),&delta, pinfo);
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if (ri->code == RADIUS_ACCESS_ACCEPT || ri->code == RADIUS_ACCESS_REJECT) {
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time_stat_update(&(rs->rtd[1]),&delta, pinfo);
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}
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else if (ri->code == RADIUS_ACCOUNTING_RESPONSE) {
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time_stat_update(&(rs->rtd[2]),&delta, pinfo);
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}
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else {
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time_stat_update(&(rs->rtd[7]),&delta, pinfo);
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}
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2008-02-07 12:52:08 +00:00
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ret = 1;
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2006-10-24 05:21:00 +00:00
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}
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2008-02-07 12:52:08 +00:00
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break;
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2006-10-24 05:21:00 +00:00
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default:
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2008-02-07 12:52:08 +00:00
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break;
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2006-10-24 05:21:00 +00:00
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}
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2008-02-07 12:52:08 +00:00
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return ret;
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2006-10-24 05:21:00 +00:00
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}
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static void
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radiusstat_draw(void *prs)
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{
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radiusstat_t *rs=(radiusstat_t *)prs;
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int i;
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/* printing results */
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printf("\n");
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printf("===========================================================================================================\n");
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printf("RADIUS Response Time Delay (RTD) Statistics:\n");
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printf("Filter for statistics: %s\n",rs->filter?rs->filter:"");
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printf("Duplicate requests: %u\n",rs->req_dup_num);
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printf("Duplicate responses: %u\n",rs->rsp_dup_num);
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printf("Open requests: %u\n",rs->open_req_num);
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printf("Discarded responses: %u\n",rs->disc_rsp_num);
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printf("Type | Messages | Min RTD | Max RTD | Avg RTD | Min in Frame | Max in Frame |\n");
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for(i=0;i<NUM_TIMESTATS;i++) {
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if(rs->rtd[i].num) {
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printf("%s | %7u | %8.2f msec | %8.2f msec | %8.2f msec | %10u | %10u |\n",
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val_to_str(i,radius_message_code,"Other "),rs->rtd[i].num,
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nstime_to_msec(&(rs->rtd[i].min)), nstime_to_msec(&(rs->rtd[i].max)),
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get_average(&(rs->rtd[i].tot), rs->rtd[i].num),
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rs->rtd[i].min_num, rs->rtd[i].max_num
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);
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}
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}
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printf("===========================================================================================================\n");
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}
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static void
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radiusstat_init(const char *optarg, void* userdata _U_)
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{
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radiusstat_t *rs;
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int i;
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const char *filter=NULL;
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GString *error_string;
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if(!strncmp(optarg,"radius,rtd,",11)){
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filter=optarg+11;
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} else {
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filter="";
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}
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rs=g_malloc(sizeof(radiusstat_t));
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2008-02-03 15:38:20 +00:00
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rs->filter=g_strdup(filter);
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2006-10-24 05:21:00 +00:00
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for(i=0;i<NUM_TIMESTATS;i++) {
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rs->rtd[i].num=0;
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rs->rtd[i].min_num=0;
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rs->rtd[i].max_num=0;
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rs->rtd[i].min.secs=0;
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2008-02-03 15:38:20 +00:00
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rs->rtd[i].min.nsecs=0;
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rs->rtd[i].max.secs=0;
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rs->rtd[i].max.nsecs=0;
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rs->rtd[i].tot.secs=0;
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rs->rtd[i].tot.nsecs=0;
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2006-10-24 05:21:00 +00:00
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}
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rs->open_req_num=0;
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rs->disc_rsp_num=0;
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rs->req_dup_num=0;
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rs->rsp_dup_num=0;
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error_string=register_tap_listener("radius", rs, filter, NULL, radiusstat_packet, radiusstat_draw);
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if(error_string){
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/* error, we failed to attach to the tap. clean up */
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g_free(rs->filter);
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g_free(rs);
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fprintf(stderr, "tshark: Couldn't register radius,rtd tap: %s\n",
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error_string->str);
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g_string_free(error_string, TRUE);
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exit(1);
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}
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}
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void
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register_tap_listener_radiusstat(void)
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{
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register_stat_cmd_arg("radius,rtd", radiusstat_init, NULL);
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}
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