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-rw-r--r--tap-radiusstat.c226
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diff --git a/tap-radiusstat.c b/tap-radiusstat.c
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+/* tap-radiusstat.c
+ * Copyright 2006 Alejandro Vaquero <alejandrovaquero@yahoo.com>
+ *
+ *
+ *
+ * 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 <stdio.h>
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#include <string.h>
+#include "epan/packet_info.h"
+#include <epan/tap.h>
+#include <epan/stat_cmd_args.h>
+#include "epan/value_string.h"
+#include "register.h"
+#include <epan/dissectors/packet-radius.h>
+#include "timestats.h"
+
+#define NUM_TIMESTATS 8
+
+/* used to keep track of the statistics for an entire program interface */
+typedef struct _radiusstat_t {
+ char *filter;
+ timestat_t rtd[NUM_TIMESTATS];
+ guint32 open_req_num;
+ guint32 disc_rsp_num;
+ guint32 req_dup_num;
+ guint32 rsp_dup_num;
+} radiusstat_t;
+
+static const value_string radius_message_code[] = {
+ { 0, "Overall "},
+ { 1, "Access "},
+ { 2, "Accounting "},
+ { 3, "Access Passw "},
+ { 4, "Ascend Acce Ev"},
+ { 5, "Diconnect "},
+ { 6, "Change Filter "},
+ { 7, "Other "},
+};
+
+static int
+radiusstat_packet(void *prs, packet_info *pinfo, epan_dissect_t *edt _U_, const void *pri)
+{
+ radiusstat_t *rs=(radiusstat_t *)prs;
+ const radius_info_t *ri=pri;
+ nstime_t delta;
+
+ switch (ri->code) {
+
+ case RADIUS_ACCESS_REQUEST:
+ case RADIUS_ACCOUNTING_REQUEST:
+ case RADIUS_ACCESS_PASSWORD_REQUEST:
+ case RADIUS_ASCEND_ACCESS_EVENT_REQUEST:
+ case RADIUS_DISCONNECT_REQUEST:
+ case RADIUS_CHANGE_FILTER_REQUEST:
+ if(ri->is_duplicate){
+ /* Duplicate is ignored */
+ rs->req_dup_num++;
+ return 0;
+ }
+ else {
+ rs->open_req_num++;
+ return 0;
+ }
+ break;
+
+ case RADIUS_ACCESS_ACCEPT:
+ case RADIUS_ACCESS_REJECT:
+ case RADIUS_ACCOUNTING_RESPONSE:
+ case RADIUS_ACCESS_PASSWORD_ACK:
+ case RADIUS_ACCESS_PASSWORD_REJECT:
+ case RADIUS_ASCEND_ACCESS_EVENT_RESPONSE:
+ case RADIUS_DISCONNECT_REQUEST_ACK:
+ case RADIUS_DISCONNECT_REQUEST_NAK:
+ case RADIUS_CHANGE_FILTER_REQUEST_ACK:
+ case RADIUS_CHANGE_FILTER_REQUEST_NAK:
+ if(ri->is_duplicate){
+ /* Duplicate is ignored */
+ rs->rsp_dup_num++;
+ return 0;
+ }
+ else if (!ri->request_available) {
+ /* no request was seen */
+ rs->disc_rsp_num++;
+ return 0;
+ }
+ else {
+ rs->open_req_num--;
+ /* calculate time delta between request and response */
+ nstime_delta(&delta, &pinfo->fd->abs_ts, &ri->req_time);
+
+ time_stat_update(&(rs->rtd[0]),&delta, pinfo);
+ if (ri->code == RADIUS_ACCESS_ACCEPT || ri->code == RADIUS_ACCESS_REJECT) {
+ time_stat_update(&(rs->rtd[1]),&delta, pinfo);
+ }
+ else if (ri->code == RADIUS_ACCOUNTING_RESPONSE) {
+ time_stat_update(&(rs->rtd[2]),&delta, pinfo);
+ }
+
+
+
+ else {
+ time_stat_update(&(rs->rtd[7]),&delta, pinfo);
+ }
+
+ return 1;
+ }
+ break;
+
+ default:
+ return 0;
+ break;
+ }
+}
+
+static void
+radiusstat_draw(void *prs)
+{
+ radiusstat_t *rs=(radiusstat_t *)prs;
+ int i;
+
+ /* printing results */
+ printf("\n");
+ printf("===========================================================================================================\n");
+ printf("RADIUS Response Time Delay (RTD) Statistics:\n");
+ printf("Filter for statistics: %s\n",rs->filter?rs->filter:"");
+ printf("Duplicate requests: %u\n",rs->req_dup_num);
+ printf("Duplicate responses: %u\n",rs->rsp_dup_num);
+ printf("Open requests: %u\n",rs->open_req_num);
+ printf("Discarded responses: %u\n",rs->disc_rsp_num);
+ printf("Type | Messages | Min RTD | Max RTD | Avg RTD | Min in Frame | Max in Frame |\n");
+ for(i=0;i<NUM_TIMESTATS;i++) {
+ if(rs->rtd[i].num) {
+ printf("%s | %7u | %8.2f msec | %8.2f msec | %8.2f msec | %10u | %10u |\n",
+ val_to_str(i,radius_message_code,"Other "),rs->rtd[i].num,
+ nstime_to_msec(&(rs->rtd[i].min)), nstime_to_msec(&(rs->rtd[i].max)),
+ get_average(&(rs->rtd[i].tot), rs->rtd[i].num),
+ rs->rtd[i].min_num, rs->rtd[i].max_num
+ );
+ }
+ }
+ printf("===========================================================================================================\n");
+}
+
+
+static void
+radiusstat_init(const char *optarg, void* userdata _U_)
+{
+ radiusstat_t *rs;
+ int i;
+ const char *filter=NULL;
+ GString *error_string;
+
+ if(!strncmp(optarg,"radius,rtd,",11)){
+ filter=optarg+11;
+ } else {
+ filter="";
+ }
+
+ rs=g_malloc(sizeof(radiusstat_t));
+ rs->filter=g_malloc(strlen(filter)+1);
+ strcpy(rs->filter, filter);
+
+ for(i=0;i<NUM_TIMESTATS;i++) {
+ rs->rtd[i].num=0;
+ rs->rtd[i].min_num=0;
+ rs->rtd[i].max_num=0;
+ rs->rtd[i].min.secs=0;
+ rs->rtd[i].min.nsecs=0;
+ rs->rtd[i].max.secs=0;
+ rs->rtd[i].max.nsecs=0;
+ rs->rtd[i].tot.secs=0;
+ rs->rtd[i].tot.nsecs=0;
+ }
+
+ rs->open_req_num=0;
+ rs->disc_rsp_num=0;
+ rs->req_dup_num=0;
+ rs->rsp_dup_num=0;
+
+ error_string=register_tap_listener("radius", rs, filter, NULL, radiusstat_packet, radiusstat_draw);
+ if(error_string){
+ /* error, we failed to attach to the tap. clean up */
+ g_free(rs->filter);
+ g_free(rs);
+
+ fprintf(stderr, "tshark: Couldn't register radius,rtd tap: %s\n",
+ error_string->str);
+ g_string_free(error_string, TRUE);
+ exit(1);
+ }
+}
+
+
+void
+register_tap_listener_radiusstat(void)
+{
+ register_stat_cmd_arg("radius,rtd", radiusstat_init, NULL);
+}
+