diff options
Diffstat (limited to 'plugins/docsis/packet-dccack.c')
| -rw-r--r-- | plugins/docsis/packet-dccack.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/plugins/docsis/packet-dccack.c b/plugins/docsis/packet-dccack.c deleted file mode 100644 index 4a20920008..0000000000 --- a/plugins/docsis/packet-dccack.c +++ /dev/null @@ -1,212 +0,0 @@ -/* packet-dccack.c - * Routines for DCC Acknowledge Message dissection - * Copyright 2004, Darryl Hymel <darryl.hymel[AT]arrisi.com> - * - * Wireshark - Network traffic analyzer - * By Gerald Combs <gerald@wireshark.org> - * Copyright 1998 Gerald Combs - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include <epan/packet.h> -#include <epan/expert.h> - -void proto_register_docsis_dccack(void); -void proto_reg_handoff_docsis_dccack(void); - -#define DCCACK_KEY_SEQ_NUM 31 -#define DCCACK_HMAC_DIGEST 27 - -/* Initialize the protocol and registered fields */ -static int proto_docsis_dccack = -1; - -static int hf_docsis_dcc_type = -1; -static int hf_docsis_dcc_length = -1; -static int hf_docsis_dccack_tran_id = -1; -static int hf_docsis_dccack_key_seq_num = -1; -static int hf_docsis_dccack_hmac_digest = -1; - -/* Initialize the subtree pointers */ -static gint ett_docsis_dccack = -1; -static gint ett_docsis_dccack_tlv = -1; - -static const value_string dccack_tlv_vals[] = { - {DCCACK_HMAC_DIGEST, "HMAC-DigestNumber"}, - {DCCACK_KEY_SEQ_NUM, "Auth Key Sequence Number"}, - {0, NULL} -}; - -static expert_field ei_docsis_dccack_tlvlen_bad = EI_INIT; - -static dissector_handle_t docsis_dccack_handle; - -/* Dissection */ -static int -dissect_dccack (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_) -{ - guint16 pos; - guint8 type; - guint32 length; - proto_tree *dcc_tree, *tlv_tree; - proto_item *dcc_item, *tlv_item, *tlv_len_item; - - col_set_str(pinfo->cinfo, COL_INFO, "DCC-ACK Message"); - - dcc_item = proto_tree_add_item(tree, proto_docsis_dccack, tvb, 0, -1, ENC_NA); - dcc_tree = proto_item_add_subtree (dcc_item, ett_docsis_dccack); - proto_tree_add_item (dcc_tree, hf_docsis_dccack_tran_id, tvb, 0, 2, ENC_BIG_ENDIAN); - - pos = 2; - while (tvb_reported_length_remaining(tvb, pos) > 0) - { - type = tvb_get_guint8 (tvb, pos); - tlv_tree = proto_tree_add_subtree(dcc_tree, tvb, pos, -1, - ett_docsis_dccack_tlv, &tlv_item, - val_to_str(type, dccack_tlv_vals, - "Unknown TLV (%u)")); - proto_tree_add_uint (tlv_tree, hf_docsis_dcc_type, tvb, pos, 1, type); - pos++; - tlv_len_item = proto_tree_add_item_ret_uint (tlv_tree, hf_docsis_dcc_length, tvb, pos, 1, ENC_NA, &length); - pos++; - proto_item_set_len(tlv_item, length + 2); - - switch (type) - { - case DCCACK_KEY_SEQ_NUM: - if (length == 1) - { - proto_tree_add_item (tlv_tree, hf_docsis_dccack_key_seq_num, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dccack_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCCACK_HMAC_DIGEST: - if (length == 20) - { - proto_tree_add_item (tlv_tree, hf_docsis_dccack_hmac_digest, tvb, pos, length, ENC_NA); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dccack_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - } /* switch(type) */ - - pos += length; - } /* while (tvb_reported_length_remaining(tvb, pos) > 0) */ - - return tvb_captured_length(tvb); -} - -/* Register the protocol with Wireshark */ -void -proto_register_docsis_dccack (void) -{ - static hf_register_info hf[] = { - {&hf_docsis_dcc_type, - { - "Type", - "docsis_dccack.tlvtype", - FT_UINT8, BASE_DEC, VALS(dccack_tlv_vals), 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcc_length, - { - "Length", - "docsis_dccack.tlvlen", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dccack_tran_id , - { - "Transaction ID", - "docsis_dccack.tran_id", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dccack_key_seq_num , - { - "Auth Key Sequence Number", - "docsis_dccack.key_seq_num", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dccack_hmac_digest , - { - "HMAC-DigestNumber", - "docsis_dccack.hmac_digest", - FT_BYTES, BASE_NONE, NULL, 0x0, - NULL, - HFILL - } - }, - - }; - - static gint *ett[] = { - &ett_docsis_dccack, - &ett_docsis_dccack_tlv, - }; - - static ei_register_info ei[] = { - {&ei_docsis_dccack_tlvlen_bad, { "docsis_dccack.tlvlenbad", PI_MALFORMED, PI_ERROR, "Bad TLV length", EXPFILL}}, - }; - - expert_module_t* expert_docsis_dccack; - - proto_docsis_dccack = - proto_register_protocol ("DOCSIS Downstream Channel Change Acknowledge", - "DOCSIS DCC-ACK", "docsis_dccack"); - - proto_register_field_array (proto_docsis_dccack, hf, array_length (hf)); - proto_register_subtree_array (ett, array_length (ett)); - expert_docsis_dccack = expert_register_protocol(proto_docsis_dccack); - expert_register_field_array(expert_docsis_dccack, ei, array_length(ei)); - - docsis_dccack_handle = register_dissector ("docsis_dccack", dissect_dccack, proto_docsis_dccack); -} - -void -proto_reg_handoff_docsis_dccack (void) -{ - dissector_add_uint ("docsis_mgmt", 0x19, docsis_dccack_handle); - -} - -/* - * Editor modelines - http://www.wireshark.org/tools/modelines.html - * - * Local Variables: - * c-basic-offset: 2 - * tab-width: 8 - * indent-tabs-mode: nil - * End: - * - * ex: set shiftwidth=2 tabstop=8 expandtab: - * :indentSize=2:tabSize=8:noTabs=true: - */ |