Ejemplo n.º 1
0
void dissect_umts_cell_broadcast_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
   guint8 sms_encoding;
   guint32       offset = 0;
   guint32       len;
   proto_item    *cbs_item;
   proto_tree    *cbs_tree, *cbs_subtree;
   guint         msg_len;
   guint8        *msg;
   tvbuff_t * cbs_msg_tvb = NULL;

   len = tvb_length(tvb);

   col_append_str(pinfo->cinfo, COL_PROTOCOL, " Cell Broadcast");
   col_append_str(pinfo->cinfo, COL_INFO, " (CBS Message)");

   cbs_item = proto_tree_add_protocol_format(proto_tree_get_root(tree), proto_cell_broadcast, tvb, 0, len, "Cell Broadcast");
   cbs_tree = proto_item_add_subtree(cbs_item, ett_cbs_msg);

   sms_encoding = dissect_cbs_data_coding_scheme(tvb, pinfo, cbs_tree, 0);
   offset++;
   cbs_msg_tvb = dissect_cbs_data(sms_encoding, tvb, cbs_tree, pinfo, offset );

   msg_len = tvb_length(cbs_msg_tvb);
   cbs_subtree = proto_tree_add_subtree_format(cbs_tree, tvb, offset, -1,
                    ett_cbs_msg, NULL, "Cell Broadcast Message Contents (length: %d)", msg_len);
   msg = tvb_get_string_enc(wmem_packet_scope(), cbs_msg_tvb, 0, msg_len, ENC_ASCII);
   proto_tree_add_string_format(cbs_subtree, hf_gsm_cbs_message_content, cbs_msg_tvb, 0, -1, msg, "%s", msg);
}
void dissect_umts_cell_broadcast_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
   guint8 sms_encoding;
   guint32       offset = 0;
   guint32       len;
   proto_item    *cbs_item = NULL, *cbs_item2 = NULL;
   proto_tree    *cbs_tree = NULL, *cbs_subtree = NULL;
   guint16  msg_len;
   tvbuff_t * cbs_msg_tvb = NULL;

   len = tvb_length(tvb);

   col_append_str(pinfo->cinfo, COL_PROTOCOL, " Cell Broadcast");
   col_append_str(pinfo->cinfo, COL_INFO, " (CBS Message)");

   cbs_item = proto_tree_add_protocol_format(proto_tree_get_root(tree), proto_cell_broadcast, tvb, 0, len, "Cell Broadcast");
   cbs_tree = proto_item_add_subtree(cbs_item, ett_cbs_msg);

   sms_encoding = dissect_cbs_data_coding_scheme(tvb, pinfo, cbs_tree, 0);
   offset++;
   cbs_msg_tvb = dissect_cbs_data(sms_encoding, tvb, cbs_tree, pinfo, offset );

   msg_len = tvb_length(cbs_msg_tvb);
   cbs_item2 = proto_tree_add_text(cbs_tree, tvb, offset, -1, "Cell Broadcast Message Contents (length: %d)", msg_len);
   cbs_subtree = proto_item_add_subtree(cbs_item2, ett_cbs_msg);
   proto_tree_add_text(cbs_subtree, cbs_msg_tvb , 0, tvb_length(cbs_msg_tvb), "%s", tvb_get_ephemeral_string(cbs_msg_tvb, 0, msg_len));
}
Ejemplo n.º 3
0
   guint32       offset = 0;
   guint         len, text_len;
   guint32       msg_key;
   proto_item    *cbs_page_item = NULL;
   proto_tree    *cbs_page_tree = NULL;
   guint16       serial_number, message_id;
   tvbuff_t      *cbs_page_tvb = NULL;
   tvbuff_t      *cbs_msg_tvb = NULL;
   fragment_head * frag_data = NULL;

   len = tvb_reported_length(tvb);

   col_append_str(pinfo->cinfo, COL_PROTOCOL, " Cell Broadcast");
   col_append_str(pinfo->cinfo, COL_INFO, " (CBS Page)");

   cbs_page_item = proto_tree_add_protocol_format(proto_tree_get_root(tree), proto_cell_broadcast, tvb, 0, len, "GSM Cell Broadcast");
   cbs_page_tree = proto_item_add_subtree(cbs_page_item, ett_gsm_cbs_page);

   serial_number = tvb_get_ntohs(tvb, offset);
   offset = dissect_cbs_serial_number(tvb, cbs_page_tree, offset);
   message_id = tvb_get_ntohs(tvb, offset);
   offset = dissect_cbs_message_identifier(tvb, cbs_page_tree, offset);
   sms_encoding = dissect_cbs_data_coding_scheme(tvb, pinfo, cbs_page_tree, offset++);
   total_pages = tvb_get_guint8(tvb, offset);
   current_page = (total_pages & 0xF0) >> 4;
   total_pages &= 0x0F;
   proto_tree_add_item(cbs_page_tree, hf_gsm_cbs_current_page, tvb, offset, 1, ENC_BIG_ENDIAN);
   proto_tree_add_item(cbs_page_tree, hf_gsm_cbs_total_pages, tvb, offset++, 1, ENC_BIG_ENDIAN);
   cbs_page_tvb = dissect_cbs_data(sms_encoding, tvb, cbs_page_tree, pinfo, offset );

   if (cbs_page_tvb != NULL)
Ejemplo n.º 4
0
static void
dissect_gsm_cell_broadcast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
   guint8 sms_encoding, total_pages, current_page;
   guint32       offset = 0;
   guint         len, text_len;
   guint32       msg_key;
   proto_item    *cbs_page_item = NULL;
   proto_tree    *cbs_page_tree = NULL;
   guint16       serial_number, message_id;
   tvbuff_t      *cbs_page_tvb = NULL;
   tvbuff_t      *cbs_msg_tvb = NULL;
   fragment_head * frag_data = NULL;

   len = tvb_length(tvb);

   col_append_str(pinfo->cinfo, COL_PROTOCOL, " Cell Broadcast");
   col_append_str(pinfo->cinfo, COL_INFO, " (CBS Page)");

   cbs_page_item = proto_tree_add_protocol_format(proto_tree_get_root(tree), proto_cell_broadcast, tvb, 0, len, "GSM Cell Broadcast");
   cbs_page_tree = proto_item_add_subtree(cbs_page_item, ett_gsm_cbs_page);

   serial_number = tvb_get_ntohs(tvb, offset);
   offset = dissect_cbs_serial_number(tvb, cbs_page_tree, offset);
   message_id = tvb_get_ntohs(tvb, offset);
   offset = dissect_cbs_message_identifier(tvb, cbs_page_tree, offset);
   sms_encoding = dissect_cbs_data_coding_scheme(tvb, pinfo, cbs_page_tree, offset++);
   total_pages = tvb_get_guint8(tvb, offset);
   current_page = (total_pages & 0xF0) >> 4;
   total_pages &= 0x0F;
   proto_tree_add_item(cbs_page_tree, hf_gsm_cbs_current_page, tvb, offset, 1, ENC_BIG_ENDIAN);
   proto_tree_add_item(cbs_page_tree, hf_gsm_cbs_total_pages, tvb, offset++, 1, ENC_BIG_ENDIAN);
   cbs_page_tvb = dissect_cbs_data(sms_encoding, tvb, cbs_page_tree, pinfo, offset );

   if (cbs_page_tvb != NULL)
   {
      text_len = tvb_length(cbs_page_tvb);
      while (text_len && (tvb_get_guint8(cbs_page_tvb, text_len-1) == '\r')) {
         text_len--;
      }
      if (tree != NULL)
      {
         proto_tree *cbs_page_subtree = proto_tree_add_subtree(cbs_page_tree, tvb, offset, -1,
                                        ett_gsm_cbs_page_content, NULL, "Cell Broadcast Page Contents");
         len = tvb_length(cbs_page_tvb);
         proto_tree_add_string(cbs_page_subtree, hf_gsm_cbs_page_content, cbs_page_tvb, 0,
                               text_len, tvb_get_string_enc(wmem_packet_scope(), cbs_page_tvb, 0, text_len, ENC_ASCII));
         len -= text_len;
         if (len)
         {
            proto_tree_add_string(cbs_page_subtree, hf_gsm_cbs_page_content_padding, cbs_page_tvb, text_len, len,
                                  tvb_get_string_enc(wmem_packet_scope(), cbs_page_tvb, text_len, len, ENC_ASCII));
         }
      }
      if (text_len)
      {
         cbs_page_tvb = tvb_new_subset_length(cbs_page_tvb, 0, text_len);
         if (total_pages == 1)
         {
            /* no need for reassembly */
            cbs_msg_tvb = cbs_page_tvb;
         }
         else
         {
             /* now we have a complete page, try to concatenate the full message */
            /* we can use the serial number and message ID as keys, as they are the same for all pages of a message */
            msg_key = (serial_number << 16) + message_id;
            frag_data = fragment_add_seq_check(&gsm_cbs_reassembly_table,
                                               cbs_page_tvb, 0, pinfo, msg_key, NULL,
                                               (current_page -1), text_len,
                                               (current_page!=total_pages));
            cbs_msg_tvb = process_reassembled_data(cbs_page_tvb, 0, pinfo, "Reassembled Cell Broadcast message",
                                                frag_data, &gsm_page_items, NULL, cbs_page_tree);
         }
      }
   }
   if (cbs_msg_tvb != NULL)
   {
      proto_item     *cbs_msg_item = NULL;
      proto_tree    *cbs_msg_tree = NULL;

      len = tvb_length(cbs_msg_tvb);
      col_append_str(pinfo->cinfo, COL_INFO, " (CBS Message)");

      cbs_msg_item = proto_tree_add_protocol_format(proto_tree_get_root(tree), proto_cell_broadcast, cbs_msg_tvb, 0, len, "GSM Cell Broadcast Message");
      cbs_msg_tree = proto_item_add_subtree(cbs_msg_item, ett_cbs_msg);

      proto_tree_add_string(cbs_msg_tree, hf_gsm_cbs_message_content, cbs_msg_tvb, 0, len, tvb_get_string_enc(wmem_packet_scope(), cbs_msg_tvb, 0, len, ENC_ASCII));
   }
}
Ejemplo n.º 5
0
    const char *eof_str;
    const char *sof_str;
    const char *crc_msg;
    const char *len_msg;
    proto_item *ti;
    proto_item *item;
    proto_tree *fcoib_tree;
    proto_tree *crc_tree;
    tvbuff_t   *next_tvb;
    gboolean    crc_exists;
    guint32     crc_computed = 0;
    guint32     crc          = 0;
    gboolean    packet_match_manual;
    fc_data_t   fc_data;

    tree = proto_tree_get_root(tree);   /* we don't want to add FCoIB under the Infiniband tree */

    frame_len = tvb_reported_length_remaining(tvb, 0) -
      FCOIB_HEADER_LEN - FCOIB_TRAILER_LEN;
    crc_offset = FCOIB_HEADER_LEN + frame_len;
    eof_offset = crc_offset + 4;
    sof_offset = FCOIB_HEADER_LEN - 1;

    if (frame_len <= 0)
        return FALSE;   /* this packet isn't even long enough to contain the header+trailer w/o FC payload! */

    packet_match_manual = manual_addr_match(pinfo);

    if (!packet_match_manual && !gPREF_HEUR_EN)
        return FALSE;   /* user doesn't want us trying to automatically identify FCoIB packets */
Ejemplo n.º 6
0
static dissector_handle_t opa_mad_handle;

static range_t *global_fe_ssl_range = NULL;

static range_t *fe_ssl_range = NULL;

static int dissect_opa_fe(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
    gint offset = 0;    /* Current Offset */
    proto_item *FE_item;
    proto_tree *FE_tree;

    col_set_str(pinfo->cinfo, COL_PROTOCOL, "Omni-Path");
    col_clear(pinfo->cinfo, COL_INFO);

    tree = proto_tree_get_root(tree);

    FE_item = proto_tree_add_item(tree, proto_opa_fe, tvb, offset, 24, ENC_NA);
    FE_tree = proto_item_add_subtree(FE_item, ett_fe);

    proto_tree_add_item(FE_tree, hf_opa_fe_magicnumber, tvb, offset, 4, ENC_BIG_ENDIAN);
    offset += 4;
    proto_tree_add_item(FE_tree, hf_opa_fe_length_oob, tvb, offset, 4, ENC_BIG_ENDIAN);
    offset += 4;
    proto_tree_add_item(FE_tree, hf_opa_fe_headerversion, tvb, offset, 4, ENC_BIG_ENDIAN);
    offset += 4;
    proto_tree_add_item(FE_tree, hf_opa_fe_length, tvb, offset, 4, ENC_BIG_ENDIAN);
    offset += 4;
    proto_tree_add_item(FE_tree, hf_opa_fe_Reserved64, tvb, offset, 8, ENC_BIG_ENDIAN);
    offset += 8;