epan/dissectors/packet-coseventcomm.c

   1 /* packet-coseventcomm.c
   2  *
   3  * Routines for IDL dissection
   4  *
   5  * Autogenerated from idl2wrs
   6  * Copyright 2001 Frank Singleton <frank.singleton@ericsson.com>
   7  */
   8
   9
  10 /*
  11  * Wireshark - Network traffic analyzer
  12  * By Gerald Combs <gerald@wireshark.org>
  13  * Copyright 1998 Gerald Combs
  14  */
  15
  16 /*
  17  * SPDX-License-Identifier: GPL-2.0-or-later
  18  */
  19
  20
  21 #include "config.h"
  22
  23 #include <string.h>
  24 #include <epan/packet.h>
  25 #include <epan/proto.h>
  26 #include "packet-giop.h"
  27 #include <epan/expert.h>
  28 #include <wsutil/array.h>
  29
  30 #include "ws_diag_control.h"
  31 #include "ws_compiler_tests.h"
  32
  33 #ifdef _MSC_VER
  34 /* disable warning: "unreference local variable" */
  35 #pragma warning(disable:4101)
  36 #endif
  37
  38 /* XXX this should be autogenerated, or the warnings fixed in the generator */
  39 DIAG_OFF(unused-function)
  40 DIAG_OFF(unused-variable)
  41 #if WS_IS_AT_LEAST_GNUC_VERSION(6,0)
  42 DIAG_OFF(unused-const-variable)
  43 #endif
  44
  45 void proto_register_giop_coseventcomm(void);
  46 void proto_reg_handoff_giop_coseventcomm(void);
  47
  48 /* Initialise the protocol and subtree pointers */
  49 static int proto_coseventcomm;
  50 static int ett_coseventcomm;
  51 static int ett_giop_struct;
  52 static int ett_giop_sequence;
  53 static int ett_giop_array;
  54 static int ett_giop_union;
  55
  56
  57 /* Initialise the initial Alignment */
  58 static uint32_t boundary = GIOP_HEADER_SIZE;  /* initial value */
  59
  60 static int hf_operationrequest;/* Request_Operation field */
  61
  62         /* Operation filters */
  63 static int hf_CosEventComm_PullSupplier_try_pull_has_event;
  64         /* User exception filters */
  65         /* Expert info filters */
  66 static expert_field ei_coseventcomm_unknown_giop_msg;
  67 static expert_field ei_coseventcomm_unknown_exception;
  68 static expert_field ei_coseventcomm_unknown_reply_status;
  69
  70
  71 static proto_tree *start_dissecting(tvbuff_t *tvb, packet_info *pinfo, proto_tree *ptree, int *offset);
  72
  73
  74 /*  Begin Exception Helper Functions  */
  75
  76
  77
  78 /*  End Exception Helper Functions  */
  79
  80 /*
  81  * Main delegator for exception handling
  82  *
  83  */
  84 static bool
  85 decode_user_exception(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *ptree _U_, int *offset _U_, MessageHeader *header, const char *operation _U_, bool stream_is_big_endian _U_)
  86 {
  87     proto_tree *tree _U_;
  88
  89     if (!header->exception_id)
  90         return false;
  91
  92
  93     return false;    /* user exception not found */
  94 }
  95
  96 /*
  97  * IDL:omg.org/CosEventComm/PullConsumer/disconnect_pull_consumer:1.0
  98  */
  99 static void
 100 decode_CosEventComm_PullConsumer_disconnect_pull_consumer(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, int *offset _U_, MessageHeader *header, const char *operation _U_, bool stream_is_big_endian _U_)
 101 {
 102     switch(header->message_type) {
 103     case Request:
 104         break;
 105     case Reply:
 106         switch(header->rep_status) {
 107         case NO_EXCEPTION:
 108             /* Function returns void */
 109
 110             break;
 111         case USER_EXCEPTION:
 112             break;
 113         default:
 114             /* Unknown Exception */
 115             expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_exception, "Unknown exception %d", header->rep_status);
 116             break;
 117         }   /* switch(header->rep_status) */
 118
 119         break;
 120     default:
 121         /* Unknown GIOP Message */
 122         expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_giop_msg, "Unknown GIOP message %d", header->message_type);
 123         break;
 124     } /* switch(header->message_type) */
 125 }
 126
 127 /*
 128  * IDL:omg.org/CosEventComm/PullSupplier/disconnect_pull_supplier:1.0
 129  */
 130 static void
 131 decode_CosEventComm_PullSupplier_disconnect_pull_supplier(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, int *offset _U_, MessageHeader *header, const char *operation _U_, bool stream_is_big_endian _U_)
 132 {
 133     switch(header->message_type) {
 134     case Request:
 135         break;
 136     case Reply:
 137         switch(header->rep_status) {
 138         case NO_EXCEPTION:
 139             /* Function returns void */
 140
 141             break;
 142         case USER_EXCEPTION:
 143             break;
 144         default:
 145             /* Unknown Exception */
 146             expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_exception, "Unknown exception %d", header->rep_status);
 147             break;
 148         }   /* switch(header->rep_status) */
 149
 150         break;
 151     default:
 152         /* Unknown GIOP Message */
 153         expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_giop_msg, "Unknown GIOP message %d", header->message_type);
 154         break;
 155     } /* switch(header->message_type) */
 156 }
 157
 158 /*
 159  * IDL:omg.org/CosEventComm/PullSupplier/try_pull:1.0
 160  */
 161 static void
 162 decode_CosEventComm_PullSupplier_try_pull(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, int *offset _U_, MessageHeader *header, const char *operation _U_, bool stream_is_big_endian _U_)
 163 {
 164     switch(header->message_type) {
 165     case Request:
 166         break;
 167     case Reply:
 168         switch(header->rep_status) {
 169         case NO_EXCEPTION:
 170             get_CDR_any(tvb, pinfo, tree, item, offset, stream_is_big_endian, boundary, header);
 171
 172             proto_tree_add_boolean(tree, hf_CosEventComm_PullSupplier_try_pull_has_event, tvb, *offset-1, 1, get_CDR_boolean(tvb,offset));
 173
 174             break;
 175         case USER_EXCEPTION:
 176             break;
 177         default:
 178             /* Unknown Exception */
 179             expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_exception, "Unknown exception %d", header->rep_status);
 180             break;
 181         }   /* switch(header->rep_status) */
 182
 183         break;
 184     default:
 185         /* Unknown GIOP Message */
 186         expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_giop_msg, "Unknown GIOP message %d", header->message_type);
 187         break;
 188     } /* switch(header->message_type) */
 189 }
 190
 191 /*
 192  * IDL:omg.org/CosEventComm/PullSupplier/pull:1.0
 193  */
 194 static void
 195 decode_CosEventComm_PullSupplier_pull(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, int *offset _U_, MessageHeader *header, const char *operation _U_, bool stream_is_big_endian _U_)
 196 {
 197     switch(header->message_type) {
 198     case Request:
 199         break;
 200     case Reply:
 201         switch(header->rep_status) {
 202         case NO_EXCEPTION:
 203             get_CDR_any(tvb, pinfo, tree, item, offset, stream_is_big_endian, boundary, header);
 204
 205             break;
 206         case USER_EXCEPTION:
 207             break;
 208         default:
 209             /* Unknown Exception */
 210             expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_exception, "Unknown exception %d", header->rep_status);
 211             break;
 212         }   /* switch(header->rep_status) */
 213
 214         break;
 215     default:
 216         /* Unknown GIOP Message */
 217         expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_giop_msg, "Unknown GIOP message %d", header->message_type);
 218         break;
 219     } /* switch(header->message_type) */
 220 }
 221
 222 /*
 223  * IDL:omg.org/CosEventComm/PushSupplier/disconnect_push_supplier:1.0
 224  */
 225 static void
 226 decode_CosEventComm_PushSupplier_disconnect_push_supplier(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, int *offset _U_, MessageHeader *header, const char *operation _U_, bool stream_is_big_endian _U_)
 227 {
 228     switch(header->message_type) {
 229     case Request:
 230         break;
 231     case Reply:
 232         switch(header->rep_status) {
 233         case NO_EXCEPTION:
 234             /* Function returns void */
 235
 236             break;
 237         case USER_EXCEPTION:
 238             break;
 239         default:
 240             /* Unknown Exception */
 241             expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_exception, "Unknown exception %d", header->rep_status);
 242             break;
 243         }   /* switch(header->rep_status) */
 244
 245         break;
 246     default:
 247         /* Unknown GIOP Message */
 248         expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_giop_msg, "Unknown GIOP message %d", header->message_type);
 249         break;
 250     } /* switch(header->message_type) */
 251 }
 252
 253 /*
 254  * IDL:omg.org/CosEventComm/PushConsumer/disconnect_push_consumer:1.0
 255  */
 256 static void
 257 decode_CosEventComm_PushConsumer_disconnect_push_consumer(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, int *offset _U_, MessageHeader *header, const char *operation _U_, bool stream_is_big_endian _U_)
 258 {
 259     switch(header->message_type) {
 260     case Request:
 261         break;
 262     case Reply:
 263         switch(header->rep_status) {
 264         case NO_EXCEPTION:
 265             /* Function returns void */
 266
 267             break;
 268         case USER_EXCEPTION:
 269             break;
 270         default:
 271             /* Unknown Exception */
 272             expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_exception, "Unknown exception %d", header->rep_status);
 273             break;
 274         }   /* switch(header->rep_status) */
 275
 276         break;
 277     default:
 278         /* Unknown GIOP Message */
 279         expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_giop_msg, "Unknown GIOP message %d", header->message_type);
 280         break;
 281     } /* switch(header->message_type) */
 282 }
 283
 284 /*
 285  * IDL:omg.org/CosEventComm/PushConsumer/push:1.0
 286  */
 287 static void
 288 decode_CosEventComm_PushConsumer_push(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, int *offset _U_, MessageHeader *header, const char *operation _U_, bool stream_is_big_endian _U_)
 289 {
 290     switch(header->message_type) {
 291     case Request:
 292         get_CDR_any(tvb, pinfo, tree, item, offset, stream_is_big_endian, boundary, header);
 293
 294         break;
 295     case Reply:
 296         switch(header->rep_status) {
 297         case NO_EXCEPTION:
 298             /* Function returns void */
 299
 300             break;
 301         case USER_EXCEPTION:
 302             break;
 303         default:
 304             /* Unknown Exception */
 305             expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_exception, "Unknown exception %d", header->rep_status);
 306             break;
 307         }   /* switch(header->rep_status) */
 308
 309         break;
 310     default:
 311         /* Unknown GIOP Message */
 312         expert_add_info_format(pinfo, item, &ei_coseventcomm_unknown_giop_msg, "Unknown GIOP message %d", header->message_type);
 313         break;
 314     } /* switch(header->message_type) */
 315 }
 316
 317 /*
 318  * Called once we accept the packet as being for us; it sets the
 319  * Protocol and Info columns and creates the top-level protocol
 320  * tree item.
 321  */
 322 static proto_tree *
 323 start_dissecting(tvbuff_t *tvb, packet_info *pinfo, proto_tree *ptree, int *offset)
 324 {
 325
 326     proto_item *ti = NULL;
 327     proto_tree *tree = NULL;            /* init later, inside if(tree) */
 328
 329     col_set_str(pinfo->cinfo, COL_PROTOCOL, "COSEVENTCOMM");
 330
 331     /*
 332      * Do not clear COL_INFO, as nothing is being written there by
 333      * this dissector yet. So leave it as is from the GIOP dissector.
 334      * TODO: add something useful to COL_INFO
 335      *     col_clear(pinfo->cinfo, COL_INFO);
 336      */
 337
 338     if (ptree) {
 339         ti = proto_tree_add_item(ptree, proto_coseventcomm, tvb, *offset, tvb_reported_length_remaining(tvb, *offset), ENC_NA);
 340         tree = proto_item_add_subtree(ti, ett_coseventcomm);
 341     }
 342     return tree;
 343 }
 344
 345 static proto_item*
 346 process_RequestOperation(tvbuff_t *tvb, packet_info *pinfo, proto_tree *ptree, MessageHeader *header, const char *operation)
 347 {
 348     proto_item *pi;
 349     if(header->message_type == Reply) {
 350         /* fill-up info column */
 351         col_append_fstr(pinfo->cinfo, COL_INFO, " op = %s",operation);
 352     }
 353     /* fill-up the field */
 354     pi=proto_tree_add_string(ptree, hf_operationrequest, tvb, 0, 0, operation);
 355     proto_item_set_generated(pi);
 356     return pi;
 357 }
 358
 359 static bool
 360 dissect_coseventcomm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *ptree, int *offset, MessageHeader *header, const char *operation, char *idlname)
 361 {
 362     proto_item *item _U_;
 363     proto_tree *tree _U_;
 364     bool stream_is_big_endian = is_big_endian(header); /* get endianess */
 365
 366     /* If we have a USER Exception, then decode it and return */
 367     if ((header->message_type == Reply) && (header->rep_status == USER_EXCEPTION)) {
 368        return decode_user_exception(tvb, pinfo, ptree, offset, header, operation, stream_is_big_endian);
 369     }
 370
 371     switch(header->message_type) {
 372
 373     case Request:
 374     case Reply:
 375
 376         if (strcmp(operation, "disconnect_pull_consumer") == 0
 377             && (!idlname || strcmp(idlname, "CosEventComm/PullConsumer") == 0)) {
 378             item = process_RequestOperation(tvb, pinfo, ptree, header, operation);  /* fill-up Request_Operation field & info column */
 379             tree = start_dissecting(tvb, pinfo, ptree, offset);
 380             decode_CosEventComm_PullConsumer_disconnect_pull_consumer(tvb, pinfo, tree, item, offset, header, operation, stream_is_big_endian);
 381             return true;
 382         }
 383
 384         if (strcmp(operation, "disconnect_pull_supplier") == 0
 385             && (!idlname || strcmp(idlname, "CosEventComm/PullSupplier") == 0)) {
 386             item = process_RequestOperation(tvb, pinfo, ptree, header, operation);  /* fill-up Request_Operation field & info column */
 387             tree = start_dissecting(tvb, pinfo, ptree, offset);
 388             decode_CosEventComm_PullSupplier_disconnect_pull_supplier(tvb, pinfo, tree, item, offset, header, operation, stream_is_big_endian);
 389             return true;
 390         }
 391
 392         if (strcmp(operation, "try_pull") == 0
 393             && (!idlname || strcmp(idlname, "CosEventComm/PullSupplier") == 0)) {
 394             item = process_RequestOperation(tvb, pinfo, ptree, header, operation);  /* fill-up Request_Operation field & info column */
 395             tree = start_dissecting(tvb, pinfo, ptree, offset);
 396             decode_CosEventComm_PullSupplier_try_pull(tvb, pinfo, tree, item, offset, header, operation, stream_is_big_endian);
 397             return true;
 398         }
 399
 400         if (strcmp(operation, "pull") == 0
 401             && (!idlname || strcmp(idlname, "CosEventComm/PullSupplier") == 0)) {
 402             item = process_RequestOperation(tvb, pinfo, ptree, header, operation);  /* fill-up Request_Operation field & info column */
 403             tree = start_dissecting(tvb, pinfo, ptree, offset);
 404             decode_CosEventComm_PullSupplier_pull(tvb, pinfo, tree, item, offset, header, operation, stream_is_big_endian);
 405             return true;
 406         }
 407
 408         if (strcmp(operation, "disconnect_push_supplier") == 0
 409             && (!idlname || strcmp(idlname, "CosEventComm/PushSupplier") == 0)) {
 410             item = process_RequestOperation(tvb, pinfo, ptree, header, operation);  /* fill-up Request_Operation field & info column */
 411             tree = start_dissecting(tvb, pinfo, ptree, offset);
 412             decode_CosEventComm_PushSupplier_disconnect_push_supplier(tvb, pinfo, tree, item, offset, header, operation, stream_is_big_endian);
 413             return true;
 414         }
 415
 416         if (strcmp(operation, "disconnect_push_consumer") == 0
 417             && (!idlname || strcmp(idlname, "CosEventComm/PushConsumer") == 0)) {
 418             item = process_RequestOperation(tvb, pinfo, ptree, header, operation);  /* fill-up Request_Operation field & info column */
 419             tree = start_dissecting(tvb, pinfo, ptree, offset);
 420             decode_CosEventComm_PushConsumer_disconnect_push_consumer(tvb, pinfo, tree, item, offset, header, operation, stream_is_big_endian);
 421             return true;
 422         }
 423
 424         if (strcmp(operation, "push") == 0
 425             && (!idlname || strcmp(idlname, "CosEventComm/PushConsumer") == 0)) {
 426             item = process_RequestOperation(tvb, pinfo, ptree, header, operation);  /* fill-up Request_Operation field & info column */
 427             tree = start_dissecting(tvb, pinfo, ptree, offset);
 428             decode_CosEventComm_PushConsumer_push(tvb, pinfo, tree, item, offset, header, operation, stream_is_big_endian);
 429             return true;
 430         }
 431
 432         break;
 433
 434     case CancelRequest:
 435     case LocateRequest:
 436     case LocateReply:
 437     case CloseConnection:
 438     case MessageError:
 439     case Fragment:
 440        return false;      /* not handled yet */
 441
 442     default:
 443        return false;      /* not handled yet */
 444
 445     }   /* switch */
 446
 447
 448     return false;
 449
 450 }  /* End of main dissector  */
 451
 452
 453 /* Register the protocol with Wireshark */
 454 void proto_register_giop_coseventcomm(void)
 455 {
 456     /* setup list of header fields */
 457     static hf_register_info hf[] = {
 458         /* field that indicates the currently ongoing request/reply exchange */
 459             {&hf_operationrequest, {"Request_Operation","giop-coseventcomm.Request_Operation",FT_STRING,BASE_NONE,NULL,0x0,NULL,HFILL}},
 460         /* Operation filters */
 461         {&hf_CosEventComm_PullSupplier_try_pull_has_event, {"has_event","giop-coseventcomm.PullSupplier.try_pull.has_event",FT_BOOLEAN,8,NULL,0x01,NULL,HFILL}},
 462         /* Attribute filters */
 463         /* Struct filters */
 464         /* User exception filters */
 465         /* Union filters */
 466
 467     };
 468
 469     static ei_register_info ei[] = {
 470         { &ei_coseventcomm_unknown_giop_msg, { "giop-coseventcomm.unknown_giop_msg", PI_PROTOCOL, PI_WARN, "Unknown GIOP message", EXPFILL }},
 471         { &ei_coseventcomm_unknown_exception, { "giop-coseventcomm.unknown_exception", PI_PROTOCOL, PI_WARN, "Unknown exception", EXPFILL }},
 472         { &ei_coseventcomm_unknown_reply_status, { "giop-coseventcomm.unknown_reply_status", PI_PROTOCOL, PI_WARN, "Unknown reply status", EXPFILL }},
 473     };
 474
 475     /* setup protocol subtree array */
 476
 477     static int *ett[] = {
 478         &ett_coseventcomm,
 479         &ett_giop_struct,
 480         &ett_giop_sequence,
 481         &ett_giop_array,
 482         &ett_giop_union,
 483     };
 484
 485     expert_module_t* expert_coseventcomm;
 486
 487
 488     /* Register the protocol name and description */
 489     proto_coseventcomm = proto_register_protocol("Coseventcomm Dissector Using GIOP API" , "GIOP/COSEVENTCOMM", "giop-coseventcomm" );
 490     proto_register_field_array(proto_coseventcomm, hf, array_length(hf));
 491     proto_register_subtree_array(ett, array_length(ett));
 492
 493     expert_coseventcomm = expert_register_protocol(proto_coseventcomm);
 494     expert_register_field_array(expert_coseventcomm, ei, array_length(ei));
 495 }
 496
 497 /* register me as handler for these interfaces */
 498 void proto_reg_handoff_giop_coseventcomm(void)
 499 {
 500     /* Register for Explicit Dissection */
 501     register_giop_user_module(dissect_coseventcomm, "COSEVENTCOMM", "CosEventComm/PullConsumer", proto_coseventcomm );     /* explicit dissector */
 502
 503     /* Register for Explicit Dissection */
 504     register_giop_user_module(dissect_coseventcomm, "COSEVENTCOMM", "CosEventComm/PullSupplier", proto_coseventcomm );     /* explicit dissector */
 505
 506     /* Register for Explicit Dissection */
 507     register_giop_user_module(dissect_coseventcomm, "COSEVENTCOMM", "CosEventComm/PushConsumer", proto_coseventcomm );     /* explicit dissector */
 508
 509     /* Register for Explicit Dissection */
 510     register_giop_user_module(dissect_coseventcomm, "COSEVENTCOMM", "CosEventComm/PushSupplier", proto_coseventcomm );     /* explicit dissector */
 511
 512     /* Register for Heuristic Dissection */
 513     register_giop_user(dissect_coseventcomm, "COSEVENTCOMM" ,proto_coseventcomm);     /* heuristic dissector */
 514
 515 }
 516
 517 /*
 518  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
 519  *
 520  * Local Variables:
 521  * c-basic-offset: 4
 522  * tab-width: 8
 523  * indent-tabs-mode: nil
 524  * End:
 525  *
 526  * ex: set shiftwidth=4 tabstop=8 expandtab:
 527  * :indentSize=4:tabSize=8:noTabs=true:
 528  */