Ejemplo n.º 1
0
/*--- dissect_qsig_arg ------------------------------------------------------*/
static int
dissect_qsig_arg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) {
  int offset = 0;
  rose_ctx_t *rctx;
  gint32 opcode = 0, service;
  const qsig_op_t *op_ptr;
  const gchar *p;
  proto_item *ti, *ti_tmp;
  proto_tree *qsig_tree;

  /* Reject the packet if data is NULL */
  if (data == NULL)
    return 0;
  rctx = get_rose_ctx(data);
  DISSECTOR_ASSERT(rctx);

  if (rctx->d.pdu != 1)  /* invoke */
    return offset;
  if (rctx->d.code == 0) {  /* local */
    opcode = rctx->d.code_local;
    op_ptr = get_op(opcode);
  } else if (rctx->d.code == 1) {  /* global */
    op_ptr = (qsig_op_t *)g_hash_table_lookup(qsig_oid2op_hashtable, rctx->d.code_global);
    if (op_ptr) opcode = op_ptr->opcode;
  } else {
    return offset;
  }
  if (!op_ptr)
    return offset;
  service = get_service(opcode);

  ti = proto_tree_add_item(tree, proto_qsig, tvb, offset, tvb_captured_length(tvb), ENC_NA);
  qsig_tree = proto_item_add_subtree(ti, ett_qsig);

  proto_tree_add_uint(qsig_tree, hf_qsig_operation, tvb, 0, 0, opcode);
  p = try_val_to_str(opcode, VALS(qsig_str_operation));
  if (p) {
    proto_item_append_text(ti, ": %s", p);
    proto_item_append_text(rctx->d.code_item, " - %s", p);
    if (rctx->apdu_depth >= 0)
      proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), rctx->apdu_depth), " %s", p);
  }

  ti_tmp = proto_tree_add_uint(qsig_tree, hf_qsig_service, tvb, 0, 0, service);
  p = try_val_to_str(service, VALS(qsig_str_service_name));
  if (p) proto_item_append_text(ti_tmp, " - %s", p);

  if (op_ptr->arg_pdu)
    offset = op_ptr->arg_pdu(tvb, pinfo, qsig_tree, NULL);
  else
    if (tvb_reported_length_remaining(tvb, offset) > 0) {
      proto_tree_add_expert(tree, pinfo, &ei_qsig_unsupported_error_type, tvb, offset, -1);
      offset += tvb_captured_length_remaining(tvb, offset);
    }

  return offset;
}
Ejemplo n.º 2
0
/*--- dissect_qsig_arg ------------------------------------------------------*/
static int
dissect_qsig_arg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
  int offset;
  rose_ctx_t *rctx;
  gint32 opcode = 0, service;
  const qsig_op_t *op_ptr;
  const gchar *p;
  proto_item *ti, *ti_tmp;
  proto_tree *qsig_tree;

  offset = 0;
  rctx = get_rose_ctx(pinfo->private_data);
  DISSECTOR_ASSERT(rctx);
  if (rctx->d.pdu != 1)  /* invoke */
    return offset;
  if (rctx->d.code == 0) {  /* local */
    opcode = rctx->d.code_local;
    op_ptr = get_op(opcode);
  } else if (rctx->d.code == 1) {  /* global */
    op_ptr = g_hash_table_lookup(qsig_oid2op_hashtable, rctx->d.code_global);
    if (op_ptr) opcode = op_ptr->opcode;
  } else {
    return offset;
  }
  if (!op_ptr)
    return offset;
  service = get_service(opcode);

  ti = proto_tree_add_item(tree, proto_qsig, tvb, offset, tvb_length(tvb), ENC_NA);
  qsig_tree = proto_item_add_subtree(ti, ett_qsig);

  proto_tree_add_uint(qsig_tree, hf_qsig_operation, tvb, 0, 0, opcode);
  p = match_strval(opcode, VALS(qsig_str_operation));
  if (p) {
    proto_item_append_text(ti, ": %s", p);
    proto_item_append_text(rctx->d.code_item, " - %s", p);
    if (rctx->apdu_depth >= 0)
      proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), rctx->apdu_depth), " %s", p);
  }

  ti_tmp = proto_tree_add_uint(qsig_tree, hf_qsig_service, tvb, 0, 0, service);
  p = match_strval(service, VALS(qsig_str_service_name));
  if (p) proto_item_append_text(ti_tmp, " - %s", p);

  if (op_ptr->arg_pdu)
    offset = op_ptr->arg_pdu(tvb, pinfo, qsig_tree);
  else
    if (tvb_length_remaining(tvb, offset) > 0) {
      proto_tree_add_text(qsig_tree, tvb, offset, -1, "UNSUPPORTED ARGUMENT TYPE (QSIG)");
      offset += tvb_length_remaining(tvb, offset);
    }

  return offset;
}
Ejemplo n.º 3
0
/*--- dissect_isdn_sup_arg ------------------------------------------------------*/
static int
dissect_isdn_sup_arg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) {
  int offset = 0;
  rose_ctx_t *rctx;
  gint32 opcode = 0;
  const gchar *p;
  const isdn_sup_op_t *op_ptr;
  proto_item *ti;
  proto_tree *isdn_sup_tree;

  /* Reject the packet if data is NULL */
  if (data == NULL)
    return 0;
  rctx = get_rose_ctx(data);
  DISSECTOR_ASSERT(rctx);

  if (rctx->d.pdu != 1)  /* invoke */
    return offset;
  if (rctx->d.code == 0) {  /* local */
    opcode = rctx->d.code_local;
  } else {
    return offset;
  }
  op_ptr = get_op(opcode);
  if (!op_ptr)
    return offset;

  ti = proto_tree_add_item(tree, proto_isdn_sup, tvb, offset, -1, ENC_NA);
  isdn_sup_tree = proto_item_add_subtree(ti, ett_isdn_sup);

  proto_tree_add_uint(isdn_sup_tree, hf_isdn_sup_operation, tvb, 0, 0, opcode);
  p = try_val_to_str(opcode, VALS(isdn_sup_str_operation));
  if (p) {
    proto_item_append_text(ti, ": %s", p);
    proto_item_append_text(rctx->d.code_item, " - %s", p);
    if (rctx->apdu_depth >= 0)
      proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), rctx->apdu_depth), " %s", p);
  }

  if (op_ptr->arg_pdu)
    offset = op_ptr->arg_pdu(tvb, pinfo, isdn_sup_tree, NULL);
  else
    if (tvb_reported_length_remaining(tvb, offset) > 0) {
      proto_tree_add_expert(tree, pinfo, &ei_isdn_sup_unsupported_error_type, tvb, offset, -1);
      offset += tvb_reported_length_remaining(tvb, offset);
    }

  return offset;
}
Ejemplo n.º 4
0
/*--- dissect_qsig_err ------------------------------------------------------*/
static int
dissect_qsig_err(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) {
  int offset = 0;
  rose_ctx_t *rctx;
  gint32 errcode;
  const qsig_err_t *err_ptr;
  const gchar *p;
  proto_item *ti;
  proto_tree *qsig_tree;

  /* Reject the packet if data is NULL */
  if (data == NULL)
    return 0;
  rctx = get_rose_ctx(data);
  DISSECTOR_ASSERT(rctx);

  if (rctx->d.pdu != 3)  /* returnError */
    return offset;
  if (rctx->d.code != 0)  /* local */
    return offset;
  errcode = rctx->d.code_local;
  err_ptr = get_err(errcode);
  if (!err_ptr)
    return offset;

  ti = proto_tree_add_item(tree, proto_qsig, tvb, offset, tvb_captured_length(tvb), ENC_NA);
  qsig_tree = proto_item_add_subtree(ti, ett_qsig);

  proto_tree_add_uint(qsig_tree, hf_qsig_error, tvb, 0, 0, errcode);
  p = try_val_to_str(errcode, VALS(qsig_str_error));
  if (p) {
    proto_item_append_text(ti, ": %s", p);
    proto_item_append_text(rctx->d.code_item, " - %s", p);
    if (rctx->apdu_depth >= 0)
      proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), rctx->apdu_depth), " %s", p);
  }

  if (err_ptr->err_pdu)
    offset = err_ptr->err_pdu(tvb, pinfo, qsig_tree, NULL);
  else
    if (tvb_reported_length_remaining(tvb, offset) > 0) {
      proto_tree_add_expert(tree, pinfo, &ei_qsig_unsupported_error_type, tvb, offset, -1);
      offset += tvb_captured_length_remaining(tvb, offset);
    }

  return offset;
}
Ejemplo n.º 5
0
/*--- dissect_qsig_err ------------------------------------------------------*/
static int
dissect_qsig_err(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
  int offset;
  rose_ctx_t *rctx;
  gint32 errcode;
  const qsig_err_t *err_ptr;
  const gchar *p;
  proto_item *ti;
  proto_tree *qsig_tree;

  offset = 0;
  rctx = get_rose_ctx(pinfo->private_data);
  DISSECTOR_ASSERT(rctx);
  if (rctx->d.pdu != 3)  /* returnError */
    return offset;
  if (rctx->d.code != 0)  /* local */
    return offset;
  errcode = rctx->d.code_local;
  err_ptr = get_err(errcode);
  if (!err_ptr)
    return offset;

  ti = proto_tree_add_item(tree, proto_qsig, tvb, offset, tvb_length(tvb), ENC_NA);
  qsig_tree = proto_item_add_subtree(ti, ett_qsig);

  proto_tree_add_uint(qsig_tree, hf_qsig_error, tvb, 0, 0, errcode);
  p = match_strval(errcode, VALS(qsig_str_error));
  if (p) {
    proto_item_append_text(ti, ": %s", p);
    proto_item_append_text(rctx->d.code_item, " - %s", p);
    if (rctx->apdu_depth >= 0)
      proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), rctx->apdu_depth), " %s", p);
  }

  if (err_ptr->err_pdu)
    offset = err_ptr->err_pdu(tvb, pinfo, qsig_tree);
  else
    if (tvb_length_remaining(tvb, offset) > 0) {
      proto_tree_add_text(qsig_tree, tvb, offset, -1, "UNSUPPORTED ERROR TYPE (QSIG)");
      offset += tvb_length_remaining(tvb, offset);
    }

  return offset;
}
Ejemplo n.º 6
0
/*--- dissect_h450_err ------------------------------------------------------*/
static int
dissect_h450_err(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) {
  proto_item *hidden_item;
  int offset = 0;
  rose_ctx_t *rctx;
  gint32 errcode;
  const h450_err_t *err_ptr;
  const gchar *p;

  /* Reject the packet if data is NULL */
  if (data == NULL)
    return 0;
  rctx = get_rose_ctx(data);
  DISSECTOR_ASSERT(rctx);

  if (rctx->d.pdu != 3)  /* returnError */
    return offset;
  if (rctx->d.code != 0)  /* local */
    return offset;
  errcode = rctx->d.code_local;
  err_ptr = get_err(errcode);
  if (!err_ptr)
    return offset;

  hidden_item = proto_tree_add_uint(tree, hf_h450_error, tvb, 0, 0, errcode);
  PROTO_ITEM_SET_HIDDEN(hidden_item);
  p = try_val_to_str(errcode, VALS(h450_str_error));
  if (p) {
    proto_item_append_text(rctx->d.code_item, " - %s", p);
    if (rctx->apdu_depth >= 0)
      proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), rctx->apdu_depth), " %s", p);
  }

  if (err_ptr->err_pdu && (tvb_reported_length_remaining(tvb, offset) > 0))
    offset = err_ptr->err_pdu(tvb, pinfo, tree, NULL);
  else
    if (tvb_reported_length_remaining(tvb, offset) > 0) {
      proto_tree_add_expert(tree, pinfo, &ei_h450_unsupported_error_type, tvb, offset, -1);
      offset += tvb_reported_length_remaining(tvb, offset);
    }

  return offset;
}