gtk/sctp_chunk_stat.c

   1 /* sctp_chunk_stat.c
   2  * SCTP chunk counter for ethereal
   3  * Copyright 2005 Oleg Terletsky oleg.terletsky@comverse.com
   4  *
   5  * $Id$
   6  *
   7  * Ethereal - Network traffic analyzer
   8  * By Gerald Combs <gerald@ethereal.com>
   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 "gtk_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 "tap_dfilter_dlg.h"
  55 #include "gui_utils.h"
  56
  57
  58 static void sctpstat_init(const char *optarg);
  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         GtkCList   *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 SCTP_DATA_CHUNK_ID               0
  90 #define SCTP_INIT_CHUNK_ID               1
  91 #define SCTP_INIT_ACK_CHUNK_ID           2
  92 #define SCTP_SACK_CHUNK_ID               3
  93 #define SCTP_HEARTBEAT_CHUNK_ID          4
  94 #define SCTP_HEARTBEAT_ACK_CHUNK_ID      5
  95 #define SCTP_ABORT_CHUNK_ID              6
  96 #define SCTP_SHUTDOWN_CHUNK_ID           7
  97 #define SCTP_SHUTDOWN_ACK_CHUNK_ID       8
  98 #define SCTP_ERROR_CHUNK_ID              9
  99 #define SCTP_COOKIE_ECHO_CHUNK_ID       10
 100 #define SCTP_COOKIE_ACK_CHUNK_ID        11
 101 #define SCTP_ECNE_CHUNK_ID              12
 102 #define SCTP_CWR_CHUNK_ID               13
 103 #define SCTP_SHUTDOWN_COMPLETE_CHUNK_ID 14
 104 #define SCTP_AUTH_CHUNK_ID            0x16
 105 #define SCTP_ASCONF_ACK_CHUNK_ID      0x80
 106 #define SCTP_PKTDROP_CHUNK_ID         0x81
 107 #define SCTP_FORWARD_TSN_CHUNK_ID     0xC0
 108 #define SCTP_ASCONF_CHUNK_ID          0xC1
 109 #define SCTP_IETF_EXT                 0xFF
 110
 111 #define CHUNK_TYPE_OFFSET 0
 112 #define CHUNK_TYPE(x)(tvb_get_guint8((x), CHUNK_TYPE_OFFSET))
 113
 114 static void
 115 sctpstat_reset(void *phs)
 116 {
 117         sctpstat_t* sctp_stat = (sctpstat_t *)phs;
 118         sctp_ep_t* list = (sctp_ep_t*)sctp_stat->ep_list;
 119         sctp_ep_t* tmp = NULL;
 120         guint16 chunk_type;
 121
 122         if(!list)
 123                 return;
 124
 125         for(tmp = list; tmp ; tmp=tmp->next)
 126                 for(chunk_type = 0; chunk_type < 256; chunk_type++)
 127                         tmp->chunk_count[chunk_type] = 0;
 128
 129         sctp_stat->number_of_packets = 0;
 130 }
 131
 132 static sctp_ep_t* alloc_sctp_ep(struct _sctp_info *si)
 133 {
 134         sctp_ep_t* ep;
 135         guint16 chunk_type;
 136
 137         if(!si)
 138                 return NULL;
 139
 140         if (!(ep = g_malloc(sizeof(sctp_ep_t))))
 141                 return NULL;
 142
 143         COPY_ADDRESS(&ep->src,&si->ip_src);
 144         COPY_ADDRESS(&ep->dst,&si->ip_dst);
 145         ep->sport = si->sport;
 146         ep->dport = si->dport;
 147         ep->next = NULL;
 148         for(chunk_type = 0; chunk_type < 256; chunk_type++)
 149                 ep->chunk_count[chunk_type] = 0;
 150         return ep;
 151 }
 152
 153 static int
 154 sctpstat_packet(void *phs, packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *phi)
 155 {
 156
 157         sctpstat_t *hs=(sctpstat_t *)phs;
 158         sctp_ep_t *tmp = NULL, *te = NULL;
 159         struct _sctp_info *si = (struct _sctp_info *) phi;
 160         guint32 tvb_number;
 161         guint8 chunk_type;
 162
 163         if (!hs)
 164                 return (0);
 165
 166         hs->number_of_packets++;
 167         if(!hs->ep_list) {
 168                 hs->ep_list = alloc_sctp_ep(si);
 169                 te = hs->ep_list;
 170         } else {
 171                 for(tmp=hs->ep_list ; tmp ; tmp=tmp->next) {
 172                         if((!CMP_ADDRESS(&tmp->src,&si->ip_src)) &&
 173                            (!CMP_ADDRESS(&tmp->dst,&si->ip_dst)) &&
 174                            (tmp->sport == si->sport) &&
 175                            (tmp->dport == si->dport)) {
 176                                 te = tmp;
 177                                 break;
 178                         }
 179                 }
 180                 if(!te) {
 181                         if ((te = alloc_sctp_ep(si))) {
 182                                 te->next = hs->ep_list;
 183                                 hs->ep_list = te;
 184                         }
 185                 }
 186         }
 187
 188         if(!te)
 189                 return (0);
 190
 191
 192         if (si->number_of_tvbs > 0) {
 193                 chunk_type = CHUNK_TYPE(si->tvb[0]);
 194                 if ((chunk_type == SCTP_INIT_CHUNK_ID) ||
 195                     (chunk_type == SCTP_INIT_ACK_CHUNK_ID)) {
 196                         (te->chunk_count[chunk_type])++;
 197                 } else {
 198                         for(tvb_number = 0; tvb_number < si->number_of_tvbs; tvb_number++) {
 199                                 (te->chunk_count[CHUNK_TYPE(si->tvb[tvb_number])])++;
 200                         }
 201                 }
 202         }
 203         return (1);
 204 }
 205
 206
 207 static void
 208 sctpstat_draw(void *phs)
 209 {
 210         sctpstat_t *hs=(sctpstat_t *)phs;
 211         sctp_ep_t* list = hs->ep_list, *tmp=0;
 212         char *str[14];
 213         int i=0;
 214
 215         for(i=0;i<14;i++) {
 216                 str[i]=g_malloc(sizeof(char[256]));
 217         }
 218         /* Now print Message and Reason Counter Table */
 219         /* clear list before printing */
 220         gtk_clist_clear(hs->table);
 221
 222
 223         for(tmp = list ; tmp ; tmp=tmp->next) {
 224
 225                 g_snprintf(str[0],  sizeof(char[256]),"%s", address_to_str(&tmp->src));
 226                 g_snprintf(str[1],  sizeof(char[256]),"%u", tmp->sport);
 227                 g_snprintf(str[2],  sizeof(char[256]),"%s", address_to_str(&tmp->dst));
 228                 g_snprintf(str[3],  sizeof(char[256]),"%u", tmp->dport);
 229                 g_snprintf(str[4],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_DATA_CHUNK_ID]);
 230                 g_snprintf(str[5],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_SACK_CHUNK_ID]);
 231                 g_snprintf(str[6],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_HEARTBEAT_CHUNK_ID]);
 232                 g_snprintf(str[7],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_HEARTBEAT_ACK_CHUNK_ID]);
 233                 g_snprintf(str[8],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_INIT_CHUNK_ID]);
 234                 g_snprintf(str[9],  sizeof(char[256]),"%u", tmp->chunk_count[SCTP_INIT_ACK_CHUNK_ID]);
 235                 g_snprintf(str[10], sizeof(char[256]),"%u", tmp->chunk_count[SCTP_COOKIE_ECHO_CHUNK_ID]);
 236                 g_snprintf(str[11], sizeof(char[256]),"%u", tmp->chunk_count[SCTP_COOKIE_ACK_CHUNK_ID]);
 237                 g_snprintf(str[12], sizeof(char[256]),"%u", tmp->chunk_count[SCTP_ABORT_CHUNK_ID]);
 238                 g_snprintf(str[13], sizeof(char[256]),"%u", tmp->chunk_count[SCTP_ERROR_CHUNK_ID]);
 239
 240                 gtk_clist_append(hs->table, str);
 241         }
 242
 243         gtk_widget_show(GTK_WIDGET(hs->table));
 244
 245 }
 246
 247 void protect_thread_critical_region(void);
 248 void unprotect_thread_critical_region(void);
 249 static void
 250 win_destroy_cb(GtkWindow *win _U_, gpointer data)
 251 {
 252         sctpstat_t *hs=(sctpstat_t *)data;
 253
 254         protect_thread_critical_region();
 255         remove_tap_listener(hs);
 256         unprotect_thread_critical_region();
 257
 258         if(hs->filter){
 259                 g_free(hs->filter);
 260                 hs->filter=NULL;
 261         }
 262         g_free(hs);
 263 }
 264
 265
 266 static const gchar *titles[]={
 267                         "Source IP",
 268                         "Source Port",
 269                         "Dest IP",
 270                         "Dest Port",
 271                         "DATA",
 272                         "SACK",
 273                         "HBEAT",
 274                         "HBEAT_ACK",
 275                         "INIT",
 276                         "INIT_ACK",
 277                         "COOKIE",
 278                         "COOKIE_ACK",
 279                         "ABORT",
 280                         "ERROR" };
 281
 282 static void
 283 sctpstat_init(const char *optarg)
 284 {
 285         sctpstat_t *hs;
 286         const char *filter=NULL;
 287         GString *error_string;
 288         GtkWidget *bbox;
 289         GtkWidget *close_bt;
 290
 291         if(strncmp(optarg,"sctp,stat,",11) == 0){
 292                 filter=optarg+11;
 293         } else {
 294                 filter="";
 295         }
 296
 297         hs=g_malloc(sizeof(sctpstat_t));
 298         hs->filter=g_strdup(filter);
 299         hs->ep_list = NULL;
 300         hs->number_of_packets = 0;
 301         sctpstat_reset(hs);
 302
 303         hs->win=window_new(GTK_WINDOW_TOPLEVEL, "Ethereal: SCTP Chunk Statistics");
 304         gtk_window_set_default_size(GTK_WINDOW(hs->win), 600, 200);
 305
 306         hs->vbox=gtk_vbox_new(FALSE, 3);
 307         gtk_container_set_border_width(GTK_CONTAINER(hs->vbox), 12);
 308
 309         init_main_stat_window(hs->win, hs->vbox, "SCTP Chunk Counter", filter);
 310
 311         /* init a scrolled window*/
 312         hs->scrolled_window = scrolled_window_new(NULL, NULL);
 313
 314         hs->table = create_stat_table(hs->scrolled_window, hs->vbox, 14, titles);
 315
 316         error_string=register_tap_listener("sctp", hs, filter,
 317                                            sctpstat_reset,
 318                                            sctpstat_packet,
 319                                            sctpstat_draw);
 320         if(error_string){
 321                 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, error_string->str);
 322                 g_string_free(error_string, TRUE);
 323                 g_free(hs->filter);
 324                 g_free(hs);
 325                 return;
 326         }
 327
 328         /* Button row. */
 329         bbox = dlg_button_row_new(GTK_STOCK_CLOSE, NULL);
 330         gtk_box_pack_end(GTK_BOX(hs->vbox), bbox, FALSE, FALSE, 0);
 331
 332         close_bt = OBJECT_GET_DATA(bbox, GTK_STOCK_CLOSE);
 333         window_set_cancel_button(hs->win, close_bt, window_cancel_button_cb);
 334
 335         SIGNAL_CONNECT(hs->win, "delete_event", window_delete_event_cb, NULL);
 336         SIGNAL_CONNECT(hs->win, "destroy", win_destroy_cb, hs);
 337
 338         gtk_widget_show_all(hs->win);
 339         window_present(hs->win);
 340
 341         cf_retap_packets(&cfile);
 342 }
 343
 344 void
 345 register_tap_listener_sctpstat(void)
 346 {
 347         register_dfilter_stat(&sctp_stat_dlg, "SCTP/Chunk Counter",
 348             REGISTER_STAT_GROUP_TELEPHONY);
 349 }