gtk/sctp_chunk_stat.c

   1 /* sctp_chunk_stat.c
   2  * SCTP chunk counter for Wireshark
   3  * Copyright 2005 Oleg Terletsky oleg.terletsky@comverse.com
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  24  */
  25
  26
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30
  31 #ifdef HAVE_SYS_TYPES_H
  32 # include <sys/types.h>
  33 #endif
  34
  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
  43 #include <epan/tap.h>
  44 #include "../register.h"
  45 #include <epan/dissectors/packet-sctp.h>
  46 #include "gui_stat_util.h"
  47 #include "compat_macros.h"
  48 #include "../simple_dialog.h"
  49 #include "dlg_utils.h"
  50 #include "../file.h"
  51 #include "../globals.h"
  52 #include "../stat_menu.h"
  53 #include "../tap_dfilter_dlg.h"
  54 #include "gui_utils.h"
  55
  56
  57 static void sctpstat_init(const char *optarg, void *userdata);
  58
  59 static tap_dfilter_dlg sctp_stat_dlg = {
  60         "SCTP Statistics",
  61         "sctp,stat",
  62         sctpstat_init,
  63         -1
  64 };
  65
  66 typedef struct sctp_ep {
  67         struct sctp_ep* next;
  68         address src;
  69         address dst;
  70         guint16 sport;
  71         guint16 dport;
  72         guint32 chunk_count[256];
  73 } sctp_ep_t;
  74
  75 /* used to keep track of the statistics for an entire program interface */
  76 typedef struct _sctp_stat_t {
  77         GtkWidget  *win;
  78         GtkWidget  *vbox;
  79         char       *filter;
  80         GtkWidget  *scrolled_window;
  81         GtkCList   *table;
  82         guint32    number_of_packets;
  83         sctp_ep_t* ep_list;
  84 } sctpstat_t;
  85
  86 typedef struct _sctp_info sctp_into_t;
  87
  88 #define SCTP_DATA_CHUNK_ID               0
  89 #define SCTP_INIT_CHUNK_ID               1
  90 #define SCTP_INIT_ACK_CHUNK_ID           2
  91 #define SCTP_SACK_CHUNK_ID               3
  92 #define SCTP_HEARTBEAT_CHUNK_ID          4
  93 #define SCTP_HEARTBEAT_ACK_CHUNK_ID      5
  94 #define SCTP_ABORT_CHUNK_ID              6
  95 #define SCTP_SHUTDOWN_CHUNK_ID           7
  96 #define SCTP_SHUTDOWN_ACK_CHUNK_ID       8
  97 #define SCTP_ERROR_CHUNK_ID              9
  98 #define SCTP_COOKIE_ECHO_CHUNK_ID       10
  99 #define SCTP_COOKIE_ACK_CHUNK_ID        11
 100 #define SCTP_ECNE_CHUNK_ID              12
 101 #define SCTP_CWR_CHUNK_ID               13
 102 #define SCTP_SHUTDOWN_COMPLETE_CHUNK_ID 14
 103 #define SCTP_AUTH_CHUNK_ID            0x16
 104 #define SCTP_ASCONF_ACK_CHUNK_ID      0x80
 105 #define SCTP_PKTDROP_CHUNK_ID         0x81
 106 #define SCTP_FORWARD_TSN_CHUNK_ID     0xC0
 107 #define SCTP_ASCONF_CHUNK_ID          0xC1
 108 #define SCTP_IETF_EXT                 0xFF
 109
 110 #define CHUNK_TYPE_OFFSET 0
 111 #define CHUNK_TYPE(x)(tvb_get_guint8((x), CHUNK_TYPE_OFFSET))
 112
 113 static void
 114 sctpstat_reset(void *phs)
 115 {
 116         sctpstat_t* sctp_stat = (sctpstat_t *)phs;
 117         sctp_ep_t* list = (sctp_ep_t*)sctp_stat->ep_list;
 118         sctp_ep_t* tmp = NULL;
 119         guint16 chunk_type;
 120
 121         if(!list)
 122                 return;
 123
 124         for(tmp = list; tmp ; tmp=tmp->next)
 125                 for(chunk_type = 0; chunk_type < 256; chunk_type++)
 126                         tmp->chunk_count[chunk_type] = 0;
 127
 128         sctp_stat->number_of_packets = 0;
 129 }
 130
 131 static sctp_ep_t* alloc_sctp_ep(struct _sctp_info *si)
 132 {
 133         sctp_ep_t* ep;
 134         guint16 chunk_type;
 135
 136         if(!si)
 137                 return NULL;
 138
 139         if (!(ep = g_malloc(sizeof(sctp_ep_t))))
 140                 return NULL;
 141
 142         COPY_ADDRESS(&ep->src,&si->ip_src);
 143         COPY_ADDRESS(&ep->dst,&si->ip_dst);
 144         ep->sport = si->sport;
 145         ep->dport = si->dport;
 146         ep->next = NULL;
 147         for(chunk_type = 0; chunk_type < 256; chunk_type++)
 148                 ep->chunk_count[chunk_type] = 0;
 149         return ep;
 150 }
 151
 152 static int
 153 sctpstat_packet(void *phs, packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *phi)
 154 {
 155
 156         sctpstat_t *hs=(sctpstat_t *)phs;
 157         sctp_ep_t *tmp = NULL, *te = NULL;
 158         struct _sctp_info *si = (struct _sctp_info *) phi;
 159         guint32 tvb_number;
 160         guint8 chunk_type;
 161
 162         if (!hs)
 163                 return (0);
 164
 165         hs->number_of_packets++;
 166         if(!hs->ep_list) {
 167                 hs->ep_list = alloc_sctp_ep(si);
 168                 te = hs->ep_list;
 169         } else {
 170                 for(tmp=hs->ep_list ; tmp ; tmp=tmp->next) {
 171                         if((!CMP_ADDRESS(&tmp->src,&si->ip_src)) &&
 172                            (!CMP_ADDRESS(&tmp->dst,&si->ip_dst)) &&
 173                            (tmp->sport == si->sport) &&
 174                            (tmp->dport == si->dport)) {
 175                                 te = tmp;
 176                                 break;
 177                         }
 178                 }
 179                 if(!te) {
 180                         if ((te = alloc_sctp_ep(si))) {
 181                                 te->next = hs->ep_list;
 182                                 hs->ep_list = te;
 183                         }
 184                 }
 185         }
 186
 187         if(!te)
 188                 return (0);
 189
 190
 191         if (si->number_of_tvbs > 0) {
 192                 chunk_type = CHUNK_TYPE(si->tvb[0]);
 193                 if ((chunk_type == SCTP_INIT_CHUNK_ID) ||
 194                     (chunk_type == SCTP_INIT_ACK_CHUNK_ID)) {
 195                         (te->chunk_count[chunk_type])++;
 196                 } else {
 197                         for(tvb_number = 0; tvb_number < si->number_of_tvbs; tvb_number++) {
 198                                 (te->chunk_count[CHUNK_TYPE(si->tvb[tvb_number])])++;
 199                         }
 200                 }
 201         }
 202         return (1);
 203 }
 204
 205
 206 static void
 207 sctpstat_draw(void *phs)
 208 {
 209         sctpstat_t *hs=(sctpstat_t *)phs;
 210         sctp_ep_t* list = hs->ep_list, *tmp=0;
 211         char *str[14];
 212         int i=0;
 213
 214         for(i=0;i<14;i++) {
 215                 str[i]=g_malloc(sizeof(char[256]));
 216         }
 217         /* Now print Message and Reason Counter Table */
 218         /* clear list before printing */
 219         gtk_clist_clear(hs->table);
 220
 221
 222         for(tmp = list ; tmp ; tmp=tmp->next) {
 223
 224                 g_snprintf(str[0],  sizeof(char[256]),"%s", address_to_str(&tmp->src));
 225                 g_snprintf(str[1],  sizeof(char[256]),"%u", tmp->sport);
 226                 g_snprintf(str[2],  sizeof(char[256]),"%s", address_to_str(&tmp->dst));
 227                 g_snprintf(str[3],  sizeof(char[256]),"%u", tmp->dport);
 228                 g_snprintf(str[4],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_DATA_CHUNK_ID]);
 229                 g_snprintf(str[5],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_SACK_CHUNK_ID]);
 230                 g_snprintf(str[6],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_HEARTBEAT_CHUNK_ID]);
 231                 g_snprintf(str[7],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_HEARTBEAT_ACK_CHUNK_ID]);
 232                 g_snprintf(str[8],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_INIT_CHUNK_ID]);
 233                 g_snprintf(str[9],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_INIT_ACK_CHUNK_ID]);
 234                 g_snprintf(str[10], sizeof(char[256]),"%u", tmp->chunk_count[SCTP_COOKIE_ECHO_CHUNK_ID]);
 235                 g_snprintf(str[11], sizeof(char[256]),"%u", tmp->chunk_count[SCTP_COOKIE_ACK_CHUNK_ID]);
 236                 g_snprintf(str[12], sizeof(char[256]),"%u", tmp->chunk_count[SCTP_ABORT_CHUNK_ID]);
 237                 g_snprintf(str[13], sizeof(char[256]),"%u", tmp->chunk_count[SCTP_ERROR_CHUNK_ID]);
 238
 239                 gtk_clist_append(hs->table, str);
 240         }
 241
 242         gtk_widget_show(GTK_WIDGET(hs->table));
 243
 244 }
 245
 246 void protect_thread_critical_region(void);
 247 void unprotect_thread_critical_region(void);
 248 static void
 249 win_destroy_cb(GtkWindow *win _U_, gpointer data)
 250 {
 251         sctpstat_t *hs=(sctpstat_t *)data;
 252
 253         protect_thread_critical_region();
 254         remove_tap_listener(hs);
 255         unprotect_thread_critical_region();
 256
 257         if(hs->filter){
 258                 g_free(hs->filter);
 259                 hs->filter=NULL;
 260         }
 261         g_free(hs);
 262 }
 263
 264
 265 static const gchar *titles[]={
 266                         "Source IP",
 267                         "Source Port",
 268                         "Dest IP",
 269                         "Dest Port",
 270                         "DATA",
 271                         "SACK",
 272                         "HBEAT",
 273                         "HBEAT_ACK",
 274                         "INIT",
 275                         "INIT_ACK",
 276                         "COOKIE",
 277                         "COOKIE_ACK",
 278                         "ABORT",
 279                         "ERROR" };
 280
 281 static void
 282 sctpstat_init(const char *optarg, void *userdata _U_)
 283 {
 284         sctpstat_t *hs;
 285         const char *filter=NULL;
 286         GString *error_string;
 287         GtkWidget *bbox;
 288         GtkWidget *close_bt;
 289
 290         if(strncmp(optarg,"sctp,stat,",11) == 0){
 291                 filter=optarg+11;
 292         } else {
 293                 filter="";
 294         }
 295
 296         hs=g_malloc(sizeof(sctpstat_t));
 297         hs->filter=g_strdup(filter);
 298         hs->ep_list = NULL;
 299         hs->number_of_packets = 0;
 300         sctpstat_reset(hs);
 301
 302         hs->win=window_new(GTK_WINDOW_TOPLEVEL, "Wireshark: SCTP Chunk Statistics");
 303         gtk_window_set_default_size(GTK_WINDOW(hs->win), 600, 200);
 304
 305         hs->vbox=gtk_vbox_new(FALSE, 3);
 306         gtk_container_set_border_width(GTK_CONTAINER(hs->vbox), 12);
 307
 308         init_main_stat_window(hs->win, hs->vbox, "SCTP Chunk Counter", filter);
 309
 310         /* init a scrolled window*/
 311         hs->scrolled_window = scrolled_window_new(NULL, NULL);
 312
 313         hs->table = create_stat_table(hs->scrolled_window, hs->vbox, 14, titles);
 314
 315         error_string=register_tap_listener("sctp", hs, filter,
 316                                            sctpstat_reset,
 317                                            sctpstat_packet,
 318                                            sctpstat_draw);
 319         if(error_string){
 320                 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, error_string->str);
 321                 g_string_free(error_string, TRUE);
 322                 g_free(hs->filter);
 323                 g_free(hs);
 324                 return;
 325         }
 326
 327         /* Button row. */
 328         bbox = dlg_button_row_new(GTK_STOCK_CLOSE, NULL);
 329         gtk_box_pack_end(GTK_BOX(hs->vbox), bbox, FALSE, FALSE, 0);
 330
 331         close_bt = OBJECT_GET_DATA(bbox, GTK_STOCK_CLOSE);
 332         window_set_cancel_button(hs->win, close_bt, window_cancel_button_cb);
 333
 334         SIGNAL_CONNECT(hs->win, "delete_event", window_delete_event_cb, NULL);
 335         SIGNAL_CONNECT(hs->win, "destroy", win_destroy_cb, hs);
 336
 337         gtk_widget_show_all(hs->win);
 338         window_present(hs->win);
 339
 340         cf_retap_packets(&cfile, FALSE);
 341 }
 342
 343 void
 344 register_tap_listener_sctpstat(void)
 345 {
 346         register_dfilter_stat(&sctp_stat_dlg, "SCTP/Chunk Counter",
 347             REGISTER_STAT_GROUP_TELEPHONY);
 348 }