forked from osmocom/wireshark
428 lines
10 KiB
C
428 lines
10 KiB
C
/* tap_h225counter.c
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* h225 message counter for ethereal
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* Copyright 2003 Lars Roland
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*
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* $Id: tap-h225counter.c,v 1.2 2003/12/15 04:23:54 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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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 "tap.h"
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#include "epan/value_string.h"
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#include "register.h"
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#include "packet-h225.h"
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/* following values represent the size of their valuestring arrays */
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#define RAS_MSG_TYPES 33
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#define CS_MSG_TYPES 13
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#define GRJ_REASONS 8
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#define RRJ_REASONS 18
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#define URQ_REASONS 6
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#define URJ_REASONS 6
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#define ARJ_REASONS 22
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#define BRJ_REASONS 8
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#define DRQ_REASONS 3
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#define DRJ_REASONS 4
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#define LRJ_REASONS 16
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#define IRQNAK_REASONS 4
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#define REL_CMP_REASONS 26
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#define FACILITY_REASONS 11
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/* used to keep track of the statistics for an entire program interface */
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typedef struct _h225counter_t {
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char *filter;
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guint32 ras_msg[RAS_MSG_TYPES + 1];
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guint32 cs_msg[CS_MSG_TYPES + 1];
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guint32 grj_reason[GRJ_REASONS + 1];
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guint32 rrj_reason[RRJ_REASONS + 1];
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guint32 urq_reason[URQ_REASONS + 1];
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guint32 urj_reason[URJ_REASONS + 1];
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guint32 arj_reason[ARJ_REASONS + 1];
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guint32 brj_reason[BRJ_REASONS + 1];
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guint32 drq_reason[DRQ_REASONS + 1];
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guint32 drj_reason[DRJ_REASONS + 1];
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guint32 lrj_reason[LRJ_REASONS + 1];
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guint32 irqnak_reason[IRQNAK_REASONS + 1];
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guint32 rel_cmp_reason[REL_CMP_REASONS + 1];
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guint32 facility_reason[FACILITY_REASONS + 1];
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} h225counter_t;
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static void
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h225counter_reset(void *phs)
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{
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h225counter_t *hs=(h225counter_t *)phs;
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int i;
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for(i=0;i<=RAS_MSG_TYPES;i++) {
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hs->ras_msg[i] = 0;
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}
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for(i=0;i<=CS_MSG_TYPES;i++) {
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hs->cs_msg[i] = 0;
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}
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for(i=0;i<=GRJ_REASONS;i++) {
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hs->grj_reason[i] = 0;
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}
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for(i=0;i<=RRJ_REASONS;i++) {
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hs->rrj_reason[i] = 0;
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}
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for(i=0;i<=URQ_REASONS;i++) {
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hs->urq_reason[i] = 0;
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}
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for(i=0;i<=URJ_REASONS;i++) {
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hs->urj_reason[i] = 0;
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}
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for(i=0;i<=ARJ_REASONS;i++) {
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hs->arj_reason[i] = 0;
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}
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for(i=0;i<=BRJ_REASONS;i++) {
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hs->brj_reason[i] = 0;
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}
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for(i=0;i<=DRQ_REASONS;i++) {
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hs->drq_reason[i] = 0;
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}
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for(i=0;i<=DRJ_REASONS;i++) {
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hs->drj_reason[i] = 0;
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}
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for(i=0;i<=LRJ_REASONS;i++) {
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hs->lrj_reason[i] = 0;
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}
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for(i=0;i<=IRQNAK_REASONS;i++) {
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hs->irqnak_reason[i] = 0;
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}
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for(i=0;i<=REL_CMP_REASONS;i++) {
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hs->rel_cmp_reason[i] = 0;
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}
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for(i=0;i<=FACILITY_REASONS;i++) {
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hs->facility_reason[i] = 0;
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}
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}
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static int
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h225counter_packet(void *phs, packet_info *pinfo _U_, epan_dissect_t *edt _U_, void *phi)
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{
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h225counter_t *hs=(h225counter_t *)phs;
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h225_packet_info *pi=phi;
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switch (pi->msg_type) {
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case H225_RAS:
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if(pi->msg_tag==-1) { /* uninitialized */
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return 0;
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}
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else if (pi->msg_tag >= RAS_MSG_TYPES) { /* unknown */
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hs->ras_msg[RAS_MSG_TYPES]++;
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}
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else {
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hs->ras_msg[pi->msg_tag]++;
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}
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/* Look for reason tag */
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if(pi->reason==-1) { /* uninitialized */
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break;
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}
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switch(pi->msg_tag) {
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case 2: /* GRJ */
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if(pi->reason < GRJ_REASONS)
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hs->grj_reason[pi->reason]++;
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else
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hs->grj_reason[GRJ_REASONS]++;
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break;
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case 5: /* RRJ */
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if(pi->reason < RRJ_REASONS)
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hs->rrj_reason[pi->reason]++;
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else
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hs->rrj_reason[RRJ_REASONS]++;
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break;
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case 6: /* URQ */
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if(pi->reason < URQ_REASONS)
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hs->urq_reason[pi->reason]++;
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else
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hs->urq_reason[URQ_REASONS]++;
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break;
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case 8: /* URJ */
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if(pi->reason < URJ_REASONS)
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hs->urj_reason[pi->reason]++;
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else
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hs->urj_reason[URJ_REASONS]++;
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break;
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case 11: /* ARJ */
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if(pi->reason < ARJ_REASONS)
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hs->arj_reason[pi->reason]++;
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else
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hs->arj_reason[ARJ_REASONS]++;
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break;
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case 14: /* BRJ */
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if(pi->reason < BRJ_REASONS)
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hs->brj_reason[pi->reason]++;
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else
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hs->brj_reason[BRJ_REASONS]++;
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break;
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case 15: /* DRQ */
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if(pi->reason < DRQ_REASONS)
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hs->drq_reason[pi->reason]++;
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else
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hs->drq_reason[DRQ_REASONS]++;
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break;
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case 17: /* DRJ */
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if(pi->reason < DRJ_REASONS)
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hs->drj_reason[pi->reason]++;
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else
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hs->drj_reason[DRJ_REASONS]++;
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break;
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case 20: /* LRJ */
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if(pi->reason < LRJ_REASONS)
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hs->lrj_reason[pi->reason]++;
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else
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hs->lrj_reason[LRJ_REASONS]++;
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break;
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case 29: /* IRQ Nak */
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if(pi->reason < IRQNAK_REASONS)
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hs->irqnak_reason[pi->reason]++;
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else
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hs->irqnak_reason[IRQNAK_REASONS]++;
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break;
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default:
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/* do nothing */
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break;
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}
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break;
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case H225_CS:
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if(pi->msg_tag==-1) { /* uninitialized */
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return 0;
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}
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else if (pi->msg_tag >= CS_MSG_TYPES) { /* unknown */
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hs->cs_msg[CS_MSG_TYPES]++;
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}
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else {
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hs->cs_msg[pi->msg_tag]++;
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}
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/* Look for reason tag */
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if(pi->reason==-1) { /* uninitialized */
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break;
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}
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switch(pi->msg_tag) {
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case 5: /* ReleaseComplete */
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if(pi->reason < REL_CMP_REASONS)
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hs->rel_cmp_reason[pi->reason]++;
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else
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hs->rel_cmp_reason[REL_CMP_REASONS]++;
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break;
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case 6: /* Facility */
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if(pi->reason < FACILITY_REASONS)
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hs->facility_reason[pi->reason]++;
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else
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hs->facility_reason[FACILITY_REASONS]++;
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break;
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default:
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/* do nothing */
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break;
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}
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break;
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default:
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return 0;
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break;
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}
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return 1;
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}
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static void
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h225counter_draw(void *phs)
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{
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h225counter_t *hs=(h225counter_t *)phs;
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int i,j;
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printf("================== H225 Message and Reason Counter ==================\n");
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printf("RAS-Messages:\n");
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for(i=0;i<=RAS_MSG_TYPES;i++) {
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if(hs->ras_msg[i]!=0) {
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printf(" %s : %u\n", val_to_str(i,RasMessage_vals,"unknown ras-messages "), hs->ras_msg[i]);
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/* reason counter */
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switch(i) {
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case 2: /* GRJ */
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for(j=0;j<=GRJ_REASONS;j++) {
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if(hs->grj_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,GatekeeperRejectReason_vals,"unknown reason "), hs->grj_reason[j]);
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}
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}
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break;
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case 5: /* RRJ */
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for(j=0;j<=RRJ_REASONS;j++) {
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if(hs->rrj_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,RegistrationRejectReason_vals,"unknown reason "), hs->rrj_reason[j]);
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}
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}
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break;
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case 6: /* URQ */
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for(j=0;j<=URQ_REASONS;j++) {
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if(hs->urq_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,UnregRequestReason_vals,"unknown reason "), hs->urq_reason[j]);
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}
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}
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break;
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case 8: /* URJ */
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for(j=0;j<=URJ_REASONS;j++) {
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if(hs->urj_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,UnregRejectReason_vals,"unknown reason "), hs->urj_reason[j]);
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}
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}
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break;
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case 11: /* ARJ */
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for(j=0;j<=ARJ_REASONS;j++) {
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if(hs->arj_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,AdmissionRejectReason_vals,"unknown reason "), hs->arj_reason[j]);
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}
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}
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break;
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case 14: /* BRJ */
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for(j=0;j<=BRJ_REASONS;j++) {
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if(hs->brj_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,BandRejectReason_vals,"unknown reason "), hs->brj_reason[j]);
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}
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}
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break;
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case 15: /* DRQ */
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for(j=0;j<=DRQ_REASONS;j++) {
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if(hs->drq_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,DisengageReason_vals,"unknown reason "), hs->drq_reason[j]);
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}
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}
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break;
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case 17: /* DRJ */
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for(j=0;j<=DRJ_REASONS;j++) {
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if(hs->drj_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,DisengageRejectReason_vals,"unknown reason "), hs->drj_reason[j]);
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}
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}
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break;
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case 20: /* LRJ */
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for(j=0;j<=LRJ_REASONS;j++) {
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if(hs->lrj_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,LocationRejectReason_vals,"unknown reason "), hs->lrj_reason[j]);
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}
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}
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case 29: /* IRQNak */
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for(j=0;j<=IRQNAK_REASONS;j++) {
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if(hs->irqnak_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,InfoRequestNakReason_vals,"unknown reason "), hs->irqnak_reason[j]);
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}
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}
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break;
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default:
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break;
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}
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/* end of reason counter*/
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}
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}
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printf("Call Signalling:\n");
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for(i=0;i<=CS_MSG_TYPES;i++) {
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if(hs->cs_msg[i]!=0) {
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printf(" %s : %u\n", val_to_str(i,h323_message_body_vals,"unknown cs-messages "), hs->cs_msg[i]);
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/* reason counter */
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switch(i) {
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case 5: /* ReleaseComplete */
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for(j=0;j<=REL_CMP_REASONS;j++) {
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if(hs->rel_cmp_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,ReleaseCompleteReason_vals,"unknown reason "), hs->rel_cmp_reason[j]);
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}
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}
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break;
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case 6: /* Facility */
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for(j=0;j<=FACILITY_REASONS;j++) {
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if(hs->facility_reason[j]!=0) {
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printf(" %s : %u\n", val_to_str(j,FacilityReason_vals,"unknown reason "), hs->facility_reason[j]);
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}
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}
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break;
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default:
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break;
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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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h225counter_init(char *optarg)
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{
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h225counter_t *hs;
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char *filter=NULL;
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GString *error_string;
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if(!strncmp(optarg,"h225,counter,",13)){
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filter=optarg+13;
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} else {
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filter=g_malloc(1);
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*filter='\0';
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}
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hs = g_malloc(sizeof(h225counter_t));
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hs->filter=g_malloc(strlen(filter)+1);
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strcpy(hs->filter, filter);
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h225counter_reset(hs);
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error_string=register_tap_listener("h225", hs, filter, NULL, h225counter_packet, h225counter_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(hs->filter);
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g_free(hs);
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fprintf(stderr, "tethereal: Couldn't register h225,counter 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_h225counter(void)
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{
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register_ethereal_tap("h225,counter", h225counter_init);
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}
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