gtk/sctp_chunk_stat.c

   1 /* sctp_chunk_stat.c
   2  * SCTP chunk counter for Wireshark
   3  * Copyright 2005 Oleg Terletsky <oleg.terletsky [AT] comverse.com>
   4  * Copyright 2009 Varun Notibala <nbvarun [AT] gmail.com>
   5  *
   6  * $Id$
   7  *
   8  * Wireshark - Network traffic analyzer
   9  * By Gerald Combs <gerald@wireshark.org>
  10  * Copyright 1998 Gerald Combs
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  25  */
  26
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #ifdef HAVE_SYS_TYPES_H
  33 # include <sys/types.h>
  34 #endif
  35 #include <string.h>
  36
  37 #include <gtk/gtk.h>
  38
  39 #include <epan/packet_info.h>
  40 #include <epan/epan.h>
  41 #include <epan/value_string.h>
  42 #include <epan/tap.h>
  43 #include <epan/dissectors/packet-sctp.h>
  44
  45 #include "../simple_dialog.h"
  46 #include "../file.h"
  47 #include "../globals.h"
  48 #include "../stat_menu.h"
  49
  50 #include "gtk/gui_stat_util.h"
  51 #include "gtk/dlg_utils.h"
  52 #include "gtk/tap_dfilter_dlg.h"
  53 #include "gtk/gui_utils.h"
  54 #include "gtk/main.h"
  55 #include "gtk/sctp_stat.h"
  56
  57
  58 static void sctpstat_init(const char *optarg, void *userdata);
  59
  60 static tap_dfilter_dlg sctp_stat_dlg = {
  61         "SCTP Statistics",
  62         "sctp,stat",
  63         sctpstat_init,
  64         -1
  65 };
  66
  67 typedef struct sctp_ep {
  68         struct sctp_ep* next;
  69         address src;
  70         address dst;
  71         guint16 sport;
  72         guint16 dport;
  73         guint32 chunk_count[256];
  74 } sctp_ep_t;
  75
  76 /* used to keep track of the statistics for an entire program interface */
  77 typedef struct _sctp_stat_t {
  78         GtkWidget  *win;
  79         GtkWidget  *vbox;
  80         char       *filter;
  81         GtkWidget  *scrolled_window;
  82         GtkTreeView *table;
  83         guint32    number_of_packets;
  84         sctp_ep_t* ep_list;
  85 } sctpstat_t;
  86
  87 typedef struct _sctp_info sctp_into_t;
  88
  89 #define CHUNK_TYPE(x)(tvb_get_guint8((x), CHUNK_TYPE_OFFSET))
  90
  91 static void
  92 sctpstat_reset(void *phs)
  93 {
  94         sctpstat_t* sctp_stat = (sctpstat_t *)phs;
  95         sctp_ep_t* list = (sctp_ep_t*)sctp_stat->ep_list;
  96         sctp_ep_t* tmp = NULL;
  97         guint16 chunk_type;
  98
  99         if(!list)
 100                 return;
 101
 102         for(tmp = list; tmp ; tmp=tmp->next)
 103                 for(chunk_type = 0; chunk_type < 256; chunk_type++)
 104                         tmp->chunk_count[chunk_type] = 0;
 105
 106         sctp_stat->number_of_packets = 0;
 107 }
 108
 109 static sctp_ep_t* alloc_sctp_ep(struct _sctp_info *si)
 110 {
 111         sctp_ep_t* ep;
 112         guint16 chunk_type;
 113
 114         if(!si)
 115                 return NULL;
 116
 117         if (!(ep = g_malloc(sizeof(sctp_ep_t))))
 118                 return NULL;
 119
 120         COPY_ADDRESS(&ep->src,&si->ip_src);
 121         COPY_ADDRESS(&ep->dst,&si->ip_dst);
 122         ep->sport = si->sport;
 123         ep->dport = si->dport;
 124         ep->next = NULL;
 125         for(chunk_type = 0; chunk_type < 256; chunk_type++)
 126                 ep->chunk_count[chunk_type] = 0;
 127         return ep;
 128 }
 129
 130 static int
 131 sctpstat_packet(void *phs, packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *phi)
 132 {
 133
 134         sctpstat_t *hs=(sctpstat_t *)phs;
 135         sctp_ep_t *tmp = NULL, *te = NULL;
 136         struct _sctp_info *si = (struct _sctp_info *) phi;
 137         guint32 tvb_number;
 138
 139         if (!hs)
 140                 return (0);
 141
 142         hs->number_of_packets++;
 143         if(!hs->ep_list) {
 144                 hs->ep_list = alloc_sctp_ep(si);
 145                 te = hs->ep_list;
 146         } else {
 147                 for(tmp=hs->ep_list ; tmp ; tmp=tmp->next) {
 148                         if((!CMP_ADDRESS(&tmp->src,&si->ip_src)) &&
 149                            (!CMP_ADDRESS(&tmp->dst,&si->ip_dst)) &&
 150                            (tmp->sport == si->sport) &&
 151                            (tmp->dport == si->dport)) {
 152                                 te = tmp;
 153                                 break;
 154                         }
 155                 }
 156                 if(!te) {
 157                         if ((te = alloc_sctp_ep(si))) {
 158                                 te->next = hs->ep_list;
 159                                 hs->ep_list = te;
 160                         }
 161                 }
 162         }
 163
 164         if(!te)
 165                 return (0);
 166
 167
 168         if (si->number_of_tvbs > 0) {
 169                 for(tvb_number = 0; tvb_number < si->number_of_tvbs; tvb_number++) {
 170                         if (IS_SCTP_CHUNK_TYPE(CHUNK_TYPE(si->tvb[tvb_number])))
 171                                 (te->chunk_count[CHUNK_TYPE(si->tvb[tvb_number])])++;
 172                         else
 173                                 (te->chunk_count[OTHER_CHUNKS_INDEX])++;
 174                 }
 175         }
 176         return (1);
 177 }
 178
 179
 180 static void
 181 sctpstat_draw(void *phs)
 182 {
 183         sctpstat_t *hs=(sctpstat_t *)phs;
 184         sctp_ep_t* list = hs->ep_list, *tmp;
 185         GtkListStore *store;
 186         GtkTreeIter iter;
 187
 188         /* Now print Message and Reason Counter Table */
 189         /* clear list before printing */
 190         /* XXX use an iter for new/modified ? */
 191         store = GTK_LIST_STORE(gtk_tree_view_get_model(hs->table));
 192         gtk_list_store_clear(store);
 193
 194         for(tmp = list ; tmp ; tmp=tmp->next) {
 195                 gtk_list_store_append(store, &iter);
 196                 gtk_list_store_set(store, &iter,
 197                 0,  ep_address_to_str(&tmp->src),
 198                 1,  tmp->sport,
 199                 2,  ep_address_to_str(&tmp->dst),
 200                 3,  tmp->dport,
 201                 4,  tmp->chunk_count[SCTP_DATA_CHUNK_ID],
 202                 5,  tmp->chunk_count[SCTP_SACK_CHUNK_ID],
 203                 6,  tmp->chunk_count[SCTP_HEARTBEAT_CHUNK_ID],
 204                 7,  tmp->chunk_count[SCTP_HEARTBEAT_ACK_CHUNK_ID],
 205                 8,  tmp->chunk_count[SCTP_INIT_CHUNK_ID],
 206                 9,  tmp->chunk_count[SCTP_INIT_ACK_CHUNK_ID],
 207                 10, tmp->chunk_count[SCTP_COOKIE_ECHO_CHUNK_ID],
 208                 11, tmp->chunk_count[SCTP_COOKIE_ACK_CHUNK_ID],
 209                 12, tmp->chunk_count[SCTP_ABORT_CHUNK_ID],
 210                 13, tmp->chunk_count[SCTP_ERROR_CHUNK_ID],
 211                 14, tmp->chunk_count[SCTP_NR_SACK_CHUNK_ID],
 212                 15, tmp->chunk_count[SCTP_ASCONF_ACK_CHUNK_ID],
 213                 16, tmp->chunk_count[SCTP_PKTDROP_CHUNK_ID],
 214                 17, tmp->chunk_count[SCTP_FORWARD_TSN_CHUNK_ID],
 215                 18, tmp->chunk_count[SCTP_ASCONF_CHUNK_ID],
 216                 19, tmp->chunk_count[OTHER_CHUNKS_INDEX],
 217                 -1
 218                 );
 219         }
 220 }
 221
 222 static void
 223 win_destroy_cb(GtkWindow *win _U_, gpointer data)
 224 {
 225         sctpstat_t *hs=(sctpstat_t *)data;
 226
 227         protect_thread_critical_region();
 228         remove_tap_listener(hs);
 229         unprotect_thread_critical_region();
 230
 231         if(hs->filter){
 232                 g_free(hs->filter);
 233                 hs->filter=NULL;
 234         }
 235         g_free(hs);
 236 }
 237
 238
 239 static const stat_column titles[]={
 240         {G_TYPE_STRING, LEFT, "Source IP" },
 241         {G_TYPE_UINT, RIGHT,  "Source Port" },
 242         {G_TYPE_STRING, LEFT, "Dest IP" },
 243         {G_TYPE_UINT, RIGHT,  "Dest Port" },
 244         {G_TYPE_UINT, RIGHT,  "DATA" },
 245         {G_TYPE_UINT, RIGHT,  "SACK" },
 246         {G_TYPE_UINT, RIGHT,  "HBEAT" },
 247         {G_TYPE_UINT, RIGHT,  "HBEAT-ACK" },
 248         {G_TYPE_UINT, RIGHT,  "INIT" },
 249         {G_TYPE_UINT, RIGHT,  "INIT-ACK" },
 250         {G_TYPE_UINT, RIGHT,  "COOKIE" },
 251         {G_TYPE_UINT, RIGHT,  "COOKIE-ACK" },
 252         {G_TYPE_UINT, RIGHT,  "ABORT" },
 253         {G_TYPE_UINT, RIGHT,  "ERROR" },
 254         {G_TYPE_UINT, RIGHT,  "NR-SACK" },
 255         {G_TYPE_UINT, RIGHT,  "ASCONF-ACK" },
 256         {G_TYPE_UINT, RIGHT,  "PKTDROP" },
 257         {G_TYPE_UINT, RIGHT,  "FORWARD-TSN" },
 258         {G_TYPE_UINT, RIGHT,  "ASCONF" },
 259         {G_TYPE_UINT, RIGHT,  "Others" }
 260 };
 261
 262 static void
 263 sctpstat_init(const char *optarg, void *userdata _U_)
 264 {
 265         sctpstat_t *hs;
 266         GString *error_string;
 267         GtkWidget *bbox;
 268         GtkWidget *close_bt;
 269
 270         hs=g_malloc(sizeof(sctpstat_t));
 271         if(strncmp(optarg,"sctp,stat,",10) == 0){
 272                 hs->filter=g_strdup(optarg+10);
 273         } else {
 274                 hs->filter=NULL;
 275         }
 276         hs->ep_list = NULL;
 277         hs->number_of_packets = 0;
 278         sctpstat_reset(hs);
 279
 280         hs->win = dlg_window_new("Wireshark: SCTP Chunk Statistics");  /* transient_for top_level */
 281         gtk_window_set_destroy_with_parent (GTK_WINDOW(hs->win), TRUE);
 282         gtk_window_set_default_size(GTK_WINDOW(hs->win), 700, 250);
 283
 284         hs->vbox=gtk_vbox_new(FALSE, 3);
 285         gtk_container_set_border_width(GTK_CONTAINER(hs->vbox), 12);
 286
 287         init_main_stat_window(hs->win, hs->vbox, "SCTP Chunk Counter", hs->filter);
 288
 289         /* init a scrolled window*/
 290         hs->scrolled_window = scrolled_window_new(NULL, NULL);
 291
 292         hs->table = create_stat_table(hs->scrolled_window, hs->vbox, 20, titles);
 293
 294         error_string=register_tap_listener("sctp", hs, hs->filter, 0,
 295                                            sctpstat_reset,
 296                                            sctpstat_packet,
 297                                            sctpstat_draw);
 298         if(error_string){
 299                 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", error_string->str);
 300                 g_string_free(error_string, TRUE);
 301                 g_free(hs->filter);
 302                 g_free(hs);
 303                 return;
 304         }
 305
 306         /* Button row. */
 307         bbox = dlg_button_row_new(GTK_STOCK_CLOSE, NULL);
 308         gtk_box_pack_end(GTK_BOX(hs->vbox), bbox, FALSE, FALSE, 0);
 309
 310         close_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
 311         window_set_cancel_button(hs->win, close_bt, window_cancel_button_cb);
 312
 313         g_signal_connect(hs->win, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
 314         g_signal_connect(hs->win, "destroy", G_CALLBACK(win_destroy_cb), hs);
 315
 316         gtk_widget_show_all(hs->win);
 317         window_present(hs->win);
 318
 319         cf_retap_packets(&cfile);
 320 }
 321
 322 void
 323 register_tap_listener_sctpstat(void)
 324 {
 325         register_dfilter_stat(&sctp_stat_dlg, "S_CTP/Chunk Counter",
 326             REGISTER_STAT_GROUP_TELEPHONY);
 327 }