diff options
Diffstat (limited to 'plugins/docsis/packet-dcd.c')
| -rw-r--r-- | plugins/docsis/packet-dcd.c | 1075 |
1 files changed, 0 insertions, 1075 deletions
diff --git a/plugins/docsis/packet-dcd.c b/plugins/docsis/packet-dcd.c deleted file mode 100644 index 1e9976f4b7..0000000000 --- a/plugins/docsis/packet-dcd.c +++ /dev/null @@ -1,1075 +0,0 @@ -/* packet-dcd.c - * Routines for DCD 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_dcd(void); -void proto_reg_handoff_docsis_dcd(void); - -#define DCD_DOWN_CLASSIFIER 23 -#define DCD_DSG_RULE 50 -#define DCD_DSG_CONFIG 51 - -/* Define Downstrean Classifier subtypes - * These are subtype of DCD_DOWN_CLASSIFIER (23) - */ - -#define DCD_CFR_ID 2 -#define DCD_CFR_RULE_PRI 5 -#define DCD_CFR_IP_CLASSIFIER 9 - -/* Define IP Classifier sub-subtypes - * These are subtypes of DCD_CFR_IP_CLASSIFIER (23.9) - */ -#define DCD_CFR_IP_SOURCE_ADDR 3 -#define DCD_CFR_IP_SOURCE_MASK 4 -#define DCD_CFR_IP_DEST_ADDR 5 -#define DCD_CFR_IP_DEST_MASK 6 -#define DCD_CFR_TCPUDP_SRCPORT_START 7 -#define DCD_CFR_TCPUDP_SRCPORT_END 8 -#define DCD_CFR_TCPUDP_DSTPORT_START 9 -#define DCD_CFR_TCPUDP_DSTPORT_END 10 - -/* Define DSG Rule subtypes - * These are subtype of DCD_DSG_RULE (50) - */ - -#define DCD_RULE_ID 1 -#define DCD_RULE_PRI 2 -#define DCD_RULE_UCID_RNG 3 -#define DCD_RULE_CLIENT_ID 4 -#define DCD_RULE_TUNL_ADDR 5 -#define DCD_RULE_CFR_ID 6 -#define DCD_RULE_VENDOR_SPEC 43 -/* Define DSG Rule Client ID sub-subtypes - * These are subtypes of DCD_RULE_CLIENT_ID (50.4) - */ -#define DCD_CLID_BCAST_ID 1 -#define DCD_CLID_KNOWN_MAC_ADDR 2 -#define DCD_CLID_CA_SYS_ID 3 -#define DCD_CLID_APP_ID 4 - -/* Define DSG Configuration subtypes - * These are subtype of DCD_DSG_CONFIG (51) - */ - -#define DCD_CFG_CHAN_LST 1 -#define DCD_CFG_TDSG1 2 -#define DCD_CFG_TDSG2 3 -#define DCD_CFG_TDSG3 4 -#define DCD_CFG_TDSG4 5 -#define DCD_CFG_VENDOR_SPEC 43 - -/* Initialize the protocol and registered fields */ -static int proto_docsis_dcd = -1; - -static int hf_docsis_dcd_config_ch_cnt = -1; -static int hf_docsis_dcd_num_of_frag = -1; -static int hf_docsis_dcd_frag_sequence_num = -1; -static int hf_docsis_dcd_type = -1; -static int hf_docsis_dcd_length = -1; -static int hf_docsis_dcd_down_classifier_subtype = -1; -static int hf_docsis_dcd_down_classifier_length = -1; -static int hf_docsis_dcd_cfr_id = -1; -static int hf_docsis_dcd_cfr_rule_pri = -1; -static int hf_docsis_dcd_cfr_ip_subtype = -1; -static int hf_docsis_dcd_cfr_ip_length = -1; -static int hf_docsis_dcd_cfr_ip_source_addr = -1; -static int hf_docsis_dcd_cfr_ip_source_mask = -1; -static int hf_docsis_dcd_cfr_ip_dest_addr = -1; -static int hf_docsis_dcd_cfr_ip_dest_mask = -1; -static int hf_docsis_dcd_cfr_tcpudp_srcport_start = -1; -static int hf_docsis_dcd_cfr_tcpudp_srcport_end = -1; -static int hf_docsis_dcd_cfr_tcpudp_dstport_start = -1; -static int hf_docsis_dcd_cfr_tcpudp_dstport_end = -1; -static int hf_docsis_dcd_rule_id = -1; -static int hf_docsis_dcd_rule_pri = -1; -static int hf_docsis_dcd_rule_ucid_list = -1; -static int hf_docsis_dcd_clid_subtype = -1; -static int hf_docsis_dcd_clid_length = -1; -static int hf_docsis_dcd_clid_bcast_id = -1; -static int hf_docsis_dcd_clid_known_mac_addr = -1; -static int hf_docsis_dcd_clid_ca_sys_id = -1; -static int hf_docsis_dcd_clid_app_id = -1; -static int hf_docsis_dcd_dsg_rule_subtype = -1; -static int hf_docsis_dcd_dsg_rule_length = -1; -static int hf_docsis_dcd_rule_tunl_addr = -1; -static int hf_docsis_dcd_rule_cfr_id = -1; -static int hf_docsis_dcd_rule_vendor_spec = -1; -static int hf_docsis_dcd_cfg_subtype = -1; -static int hf_docsis_dcd_cfg_length = -1; -static int hf_docsis_dcd_cfg_chan = -1; -static int hf_docsis_dcd_cfg_tdsg1 = -1; -static int hf_docsis_dcd_cfg_tdsg2 = -1; -static int hf_docsis_dcd_cfg_tdsg3 = -1; -static int hf_docsis_dcd_cfg_tdsg4 = -1; -static int hf_docsis_dcd_cfg_vendor_spec = -1; - -/* Initialize the subtree pointers */ -static gint ett_docsis_dcd = -1; -static gint ett_docsis_dcd_cfr = -1; -static gint ett_docsis_dcd_cfr_ip = -1; -static gint ett_docsis_dcd_rule = -1; -static gint ett_docsis_dcd_clid = -1; -static gint ett_docsis_dcd_cfg = -1; -static gint ett_docsis_dcd_tlv = -1; - -static const value_string dcd_tlv_vals[] = { - {DCD_DOWN_CLASSIFIER, "DCD_CFR Encodings"}, - {DCD_DSG_RULE, "DCD DSG Rule Encodings"}, - {DCD_DSG_CONFIG, "DCD DSG Config Encodings"}, - {0, NULL} -}; - -static const value_string dcd_down_classifier_vals[] = { - {DCD_CFR_ID, "Downstream Classifier Id"}, - {DCD_CFR_RULE_PRI, "Downstream Classifier Rule Priority"}, - {DCD_CFR_IP_CLASSIFIER, "DCD_CFR_IP Encodings"}, - {0, NULL} -}; - -static const value_string dcd_dsg_rule_vals[] = { - {DCD_RULE_ID, "DSG Rule Id"}, - {DCD_RULE_PRI, "DSG Rule Priority"}, - {DCD_RULE_UCID_RNG, "DSG Rule UCID Range"}, - {DCD_RULE_CLIENT_ID, "DCD Rule ClientID Encodings"}, - {DCD_RULE_TUNL_ADDR, "DSG Rule Tunnel MAC Address"}, - {DCD_RULE_CFR_ID, "DSG Rule Classifier ID"}, - {DCD_RULE_VENDOR_SPEC, "DSG Rule Vendor Specific Parameters"}, - {0, NULL} -}; - -static const value_string dcd_clid_vals[] = { - {DCD_CLID_BCAST_ID, "DSG Rule Client ID Broadcast ID"}, - {DCD_CLID_KNOWN_MAC_ADDR, "DSG Rule Client ID Known MAC Address"}, - {DCD_CLID_CA_SYS_ID, "DSG Rule Client ID CA System ID"}, - {DCD_CLID_APP_ID, "DSG Rule Client ID Application ID"}, - {0, NULL} -}; - -static const value_string dcd_cfr_ip_vals[] = { - {DCD_CFR_IP_SOURCE_ADDR, "Downstream Classifier IP Source Address"}, - {DCD_CFR_IP_SOURCE_MASK, "Downstream Classifier IP Source Mask"}, - {DCD_CFR_IP_DEST_ADDR, "Downstream Classifier IP Destination Address"}, - {DCD_CFR_IP_DEST_MASK, "Downstream Classifier IP Destination Mask"}, - {DCD_CFR_TCPUDP_SRCPORT_START, "Downstream Classifier IP TCP/UDP Source Port Start"}, - {DCD_CFR_TCPUDP_SRCPORT_END, "Downstream Classifier IP TCP/UDP Source Port End"}, - {DCD_CFR_TCPUDP_DSTPORT_START, "Downstream Classifier IP TCP/UDP Destination Port Start"}, - {DCD_CFR_TCPUDP_DSTPORT_END, "Downstream Classifier IP TCP/UDP Destination Port End"}, - {0, NULL} -}; - -static const value_string dcd_cfg_vals[] = { - {DCD_CFG_CHAN_LST, "DSG Configuration Channel"}, - {DCD_CFG_TDSG1, "DSG Initialization Timeout (Tdsg1)"}, - {DCD_CFG_TDSG2, "DSG Initialization Timeout (Tdsg2)"}, - {DCD_CFG_TDSG3, "DSG Initialization Timeout (Tdsg3)"}, - {DCD_CFG_TDSG4, "DSG Initialization Timeout (Tdsg4)"}, - {DCD_CFG_VENDOR_SPEC, "DSG Configuration Vendor Specific Parameters"}, - {0, NULL} -}; - -static expert_field ei_docsis_dcd_tlvlen_bad = EI_INIT; - -static dissector_handle_t docsis_dcd_handle; - -/* Dissection */ -static void -dissect_dcd_dsg_cfg (tvbuff_t * tvb, packet_info* pinfo, proto_tree * tree, int start, guint16 len) -{ - guint8 type; - guint32 length; - proto_tree *dcd_tree; - proto_tree *dcd_item, *tlv_len_item; - int pos; - - pos = start; - while ( pos < ( start + len) ) - { - type = tvb_get_guint8 (tvb, pos); - dcd_tree = proto_tree_add_subtree(tree, tvb, pos, -1, - ett_docsis_dcd_cfg, &dcd_item, - val_to_str(type, dcd_cfg_vals, - "Unknown TLV (%u)")); - proto_tree_add_uint (dcd_tree, hf_docsis_dcd_cfg_subtype, tvb, pos, 1, type); - pos++; - tlv_len_item = proto_tree_add_item_ret_uint (dcd_tree, hf_docsis_dcd_cfg_length, tvb, pos, 1, ENC_NA, &length); - pos++; - proto_item_set_len(dcd_item, length + 2); - - switch (type) - { - case DCD_CFG_CHAN_LST: - if (length == 4) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_chan, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFG_TDSG1: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_tdsg1, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFG_TDSG2: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_tdsg2, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFG_TDSG3: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_tdsg3, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFG_TDSG4: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_tdsg4, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFG_VENDOR_SPEC: - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_vendor_spec, tvb, pos, length, ENC_NA); - break; - - } - - pos += length; - } -} - -static void -dissect_dcd_down_classifier_ip (tvbuff_t * tvb, packet_info* pinfo, proto_tree * tree, int start, guint16 len) -{ - guint8 type; - guint32 length; - proto_tree *dcd_tree; - proto_tree *dcd_item, *tlv_len_item; - int pos; - - pos = start; - while ( pos < ( start + len) ) - { - type = tvb_get_guint8 (tvb, pos); - dcd_tree = proto_tree_add_subtree(tree, tvb, pos, -1, - ett_docsis_dcd_cfr_ip, &dcd_item, - val_to_str(type, dcd_cfr_ip_vals, - "Unknown TLV (%u)")); - proto_tree_add_uint (dcd_tree, hf_docsis_dcd_cfr_ip_subtype, tvb, pos, 1, type); - pos++; - tlv_len_item = proto_tree_add_item_ret_uint (dcd_tree, hf_docsis_dcd_cfr_ip_length, tvb, pos, 1, ENC_NA, &length); - pos++; - proto_item_set_len(dcd_item, length + 2); - - switch (type) - { - case DCD_CFR_IP_SOURCE_ADDR: - if (length == 4) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_ip_source_addr, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFR_IP_SOURCE_MASK: - if (length == 4) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_ip_source_mask, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFR_IP_DEST_ADDR: - if (length == 4) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_ip_dest_addr, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFR_IP_DEST_MASK: - if (length == 4) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_ip_dest_mask, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFR_TCPUDP_SRCPORT_START: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_tcpudp_srcport_start, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFR_TCPUDP_SRCPORT_END: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_tcpudp_srcport_end, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFR_TCPUDP_DSTPORT_START: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_tcpudp_dstport_start, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFR_TCPUDP_DSTPORT_END: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_tcpudp_dstport_end, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - } - - pos += length; - } -} - -static void -dissect_dcd_clid (tvbuff_t * tvb, packet_info* pinfo, proto_tree * tree, int start, guint16 len) -{ - guint8 type; - guint32 length; - proto_tree *dcd_tree; - proto_tree *dcd_item, *tlv_len_item; - int pos; - - pos = start; - while ( pos < ( start + len) ) - { - type = tvb_get_guint8 (tvb, pos); - dcd_tree = proto_tree_add_subtree(tree, tvb, pos, -1, - ett_docsis_dcd_clid, &dcd_item, - val_to_str(type, dcd_clid_vals, - "Unknown TLV (%u)")); - proto_tree_add_uint (dcd_tree, hf_docsis_dcd_clid_subtype, tvb, pos, 1, type); - pos++; - tlv_len_item = proto_tree_add_item_ret_uint (dcd_tree, hf_docsis_dcd_clid_length, tvb, pos, 1, ENC_NA, &length); - pos++; - proto_item_set_len(dcd_item, length + 2); - - switch (type) - { - case DCD_CLID_BCAST_ID: - if (length == 2) - { - proto_tree_add_item(dcd_tree, hf_docsis_dcd_clid_bcast_id, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CLID_KNOWN_MAC_ADDR: - if (length == 6) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_clid_known_mac_addr, tvb, pos, length, ENC_NA); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CLID_CA_SYS_ID: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_clid_ca_sys_id, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CLID_APP_ID: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_clid_app_id, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - } - - pos += length; - } -} - -static void -dissect_dcd_dsg_rule (tvbuff_t * tvb, packet_info* pinfo, proto_tree * tree, int start, guint16 len) -{ - guint8 type; - guint32 length; - proto_tree *dcd_tree; - proto_tree *dcd_item, *tlv_len_item; - int pos; - - pos = start; - while ( pos < ( start + len) ) - { - type = tvb_get_guint8 (tvb, pos); - dcd_tree = proto_tree_add_subtree(tree, tvb, pos, -1, - ett_docsis_dcd_rule, &dcd_item, - val_to_str(type, dcd_dsg_rule_vals, - "Unknown TLV (%u)")); - proto_tree_add_uint (dcd_tree, hf_docsis_dcd_dsg_rule_subtype, tvb, pos, 1, type); - pos++; - tlv_len_item = proto_tree_add_item_ret_uint (dcd_tree, hf_docsis_dcd_dsg_rule_length, tvb, pos, 1, ENC_NA, &length); - pos++; - proto_item_set_len(dcd_item, length + 2); - - switch (type) - { - case DCD_RULE_ID: - if (length == 1) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_id, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_RULE_PRI: - if (length == 1) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_pri, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_RULE_UCID_RNG: - proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_ucid_list, tvb, pos, length, ENC_NA); - break; - case DCD_RULE_CLIENT_ID: - dissect_dcd_clid (tvb, pinfo, dcd_tree, pos, length ); - break; - case DCD_RULE_TUNL_ADDR: - if (length == 6) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_tunl_addr, tvb, pos, length, ENC_NA); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_RULE_CFR_ID: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_cfr_id, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_RULE_VENDOR_SPEC: - proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_vendor_spec, tvb, pos, length, ENC_NA); - break; - - } - - pos += length; - } -} - -static void -dissect_dcd_down_classifier (tvbuff_t * tvb, packet_info* pinfo, proto_tree * tree, int start, guint16 len) -{ - guint8 type; - guint32 length; - proto_tree *dcd_tree; - proto_tree *dcd_item, *tlv_len_item; - int pos; - - pos = start; - while ( pos < ( start + len) ) - { - type = tvb_get_guint8 (tvb, pos); - dcd_tree = proto_tree_add_subtree(tree, tvb, pos, -1, - ett_docsis_dcd_cfr, &dcd_item, - val_to_str(type, dcd_down_classifier_vals, - "Unknown TLV (%u)")); - proto_tree_add_uint (dcd_tree, hf_docsis_dcd_down_classifier_subtype, tvb, pos, 1, type); - pos++; - tlv_len_item = proto_tree_add_item_ret_uint (dcd_tree, hf_docsis_dcd_down_classifier_length, tvb, pos, 1, ENC_NA, &length); - pos++; - proto_item_set_len(dcd_item, length + 2); - - switch (type) - { - case DCD_CFR_ID: - if (length == 2) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_id, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFR_RULE_PRI: - if (length == 1) - { - proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_rule_pri, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dcd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DCD_CFR_IP_CLASSIFIER: - dissect_dcd_down_classifier_ip (tvb , pinfo , dcd_tree , pos , length ); - break; - } - - pos += length; - } -} - -static int -dissect_dcd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_) -{ - guint16 pos; - guint8 type; - guint32 length; - proto_tree *dcd_tree, *tlv_tree; - proto_item *dcd_item, *tlv_item; - - col_set_str(pinfo->cinfo, COL_INFO, "DCD Message: "); - - dcd_item = proto_tree_add_item(tree, proto_docsis_dcd, tvb, 0, -1, ENC_NA); - dcd_tree = proto_item_add_subtree (dcd_item, ett_docsis_dcd); - proto_tree_add_item (dcd_tree, hf_docsis_dcd_config_ch_cnt, tvb, 0, 1, ENC_BIG_ENDIAN); - proto_tree_add_item (dcd_tree, hf_docsis_dcd_num_of_frag, tvb, 1, 1, ENC_BIG_ENDIAN); - proto_tree_add_item (dcd_tree, hf_docsis_dcd_frag_sequence_num, tvb, 2, 1, ENC_BIG_ENDIAN); - - pos = 3; - while (tvb_reported_length_remaining(tvb, pos) > 0) - { - type = tvb_get_guint8 (tvb, pos); - tlv_tree = proto_tree_add_subtree(dcd_tree, tvb, pos, -1, - ett_docsis_dcd_tlv, &tlv_item, - val_to_str(type, dcd_tlv_vals, - "Unknown TLV (%u)")); - proto_tree_add_uint (tlv_tree, hf_docsis_dcd_type, tvb, pos, 1, type); - pos++; - proto_tree_add_item_ret_uint (tlv_tree, hf_docsis_dcd_length, tvb, pos, 1, ENC_NA, &length); - pos++; - proto_item_set_len(tlv_item, length + 2); - - switch (type) - { - case DCD_DOWN_CLASSIFIER: - dissect_dcd_down_classifier (tvb, pinfo, tlv_tree, pos, length); - break; - case DCD_DSG_RULE: - dissect_dcd_dsg_rule (tvb, pinfo, tlv_tree, pos, length); - break; - case DCD_DSG_CONFIG: - dissect_dcd_dsg_cfg (tvb, pinfo, tlv_tree, pos, 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_dcd (void) -{ - /* Setup list of header fields See Section 1.6.1 for details*/ - static hf_register_info hf[] = { - {&hf_docsis_dcd_config_ch_cnt, - { - "Configuration Change Count", - "docsis_dcd.config_ch_cnt", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_num_of_frag, - { - "Number of Fragments", - "docsis_dcd.num_of_frag", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_frag_sequence_num, - { - "Fragment Sequence Number", - "docsis_dcd.frag_sequence_num", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_type, - { - "Type", - "docsis_dcd.tlvtype", - FT_UINT8, BASE_DEC, VALS(dcd_tlv_vals), 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_length, - { - "Length", - "docsis_dcd.tlvlen", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_down_classifier_subtype, - { - "Type", - "docsis_dcd.down_classifier_tlvtype", - FT_UINT8, BASE_DEC, VALS(dcd_down_classifier_vals), 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_down_classifier_length, - { - "Length", - "docsis_dcd.down_classifier_tlvlen", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_id, - { - "Downstream Classifier Id", - "docsis_dcd.cfr_id", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_rule_pri, - { - "Downstream Classifier Rule Priority", - "docsis_dcd.cfr_rule_pri", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_ip_subtype, - { - "Type", - "docsis_dcd.cfr_ip_tlvtype", - FT_UINT8, BASE_DEC, VALS(dcd_cfr_ip_vals), 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_ip_length, - { - "Length", - "docsis_dcd.cfr_ip_tlvlen", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_ip_source_addr, - { - "Downstream Classifier IP Source Address", - "docsis_dcd.cfr_ip_source_addr", - FT_IPv4, BASE_NONE, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_ip_source_mask, - { - "Downstream Classifier IP Source Mask", - "docsis_dcd.cfr_ip_source_mask", - FT_IPv4, BASE_NETMASK, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_ip_dest_addr, - { - "Downstream Classifier IP Destination Address", - "docsis_dcd.cfr_ip_dest_addr", - FT_IPv4, BASE_NONE, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_ip_dest_mask, - { - "Downstream Classifier IP Destination Mask", - "docsis_dcd.cfr_ip_dest_mask", - FT_IPv4, BASE_NETMASK, NULL, 0x0, - "Downstream Classifier IP Destination Address", - HFILL - } - }, - {&hf_docsis_dcd_cfr_tcpudp_srcport_start, - { - "Downstream Classifier IP TCP/UDP Source Port Start", - "docsis_dcd.cfr_ip_tcpudp_srcport_start", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_tcpudp_srcport_end, - { - "Downstream Classifier IP TCP/UDP Source Port End", - "docsis_dcd.cfr_ip_tcpudp_srcport_end", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_tcpudp_dstport_start, - { - "Downstream Classifier IP TCP/UDP Destination Port Start", - "docsis_dcd.cfr_ip_tcpudp_dstport_start", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfr_tcpudp_dstport_end, - { - "Downstream Classifier IP TCP/UDP Destination Port End", - "docsis_dcd.cfr_ip_tcpudp_dstport_end", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_rule_id, - { - "DSG Rule Id", - "docsis_dcd.rule_id", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_rule_pri, - { - "DSG Rule Priority", - "docsis_dcd.rule_pri", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_rule_ucid_list, - { - "DSG Rule UCID Range", - "docsis_dcd.rule_ucid_list", - FT_BYTES, BASE_NONE, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_clid_subtype, - { - "Type", - "docsis_dcd.clid_tlvtype", - FT_UINT8, BASE_DEC, VALS(dcd_clid_vals), 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_clid_length, - { - "Length", - "docsis_dcd.clid_tlvlen", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_clid_bcast_id, - { - "DSG Rule Client ID Broadcast ID", - "docsis_dcd.clid_bcast_id", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_clid_known_mac_addr, - { - "DSG Rule Client ID Known MAC Address", - "docsis_dcd.clid_known_mac_addr", - FT_ETHER, BASE_NONE, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_clid_ca_sys_id, - { - "DSG Rule Client ID CA System ID", - "docsis_dcd.clid_ca_sys_id", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_clid_app_id, - { - "DSG Rule Client ID Application ID", - "docsis_dcd.clid_app_id", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_dsg_rule_subtype, - { - "Type", - "docsis_dcd.rule_tlvtype", - FT_UINT8, BASE_DEC, VALS(dcd_dsg_rule_vals), 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_dsg_rule_length, - { - "Length", - "docsis_dcd.rule_tlvlen", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_rule_tunl_addr, - { - "DSG Rule Tunnel MAC Address", - "docsis_dcd.rule_tunl_addr", - FT_ETHER, BASE_NONE, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_rule_cfr_id, - { - "DSG Rule Classifier ID", - "docsis_dcd.rule_cfr_id", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_rule_vendor_spec, - { - "DSG Rule Vendor Specific Parameters", - "docsis_dcd.rule_vendor_spec", - FT_BYTES, BASE_NONE, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfg_subtype, - { - "Type", - "docsis_dcd.cfg_tlvtype", - FT_UINT8, BASE_DEC, VALS(dcd_cfg_vals), 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfg_length, - { - "Length", - "docsis_dcd.cfg_tlvlen", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfg_chan, - { - "DSG Configuration Channel", - "docsis_dcd.cfg_chan", - FT_UINT32, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfg_tdsg1, - { - "DSG Initialization Timeout (Tdsg1)", - "docsis_dcd.cfg_tdsg1", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfg_tdsg2, - { - "DSG Operational Timeout (Tdsg2)", - "docsis_dcd.cfg_tdsg2", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfg_tdsg3, - { - "DSG Two-Way Retry Timer (Tdsg3)", - "docsis_dcd.cfg_tdsg3", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfg_tdsg4, - { - "DSG One-Way Retry Timer (Tdsg4)", - "docsis_dcd.cfg_tdsg4", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, - HFILL - } - }, - {&hf_docsis_dcd_cfg_vendor_spec, - { - "DSG Configuration Vendor Specific Parameters", - "docsis_dcd.cfg_vendor_spec", - FT_BYTES, BASE_NONE, NULL, 0x0, - NULL, - HFILL - } - }, - - }; - - static gint *ett[] = { - &ett_docsis_dcd, - &ett_docsis_dcd_cfr, - &ett_docsis_dcd_cfr_ip, - &ett_docsis_dcd_rule, - &ett_docsis_dcd_clid, - &ett_docsis_dcd_cfg, - &ett_docsis_dcd_tlv, - }; - - static ei_register_info ei[] = { - {&ei_docsis_dcd_tlvlen_bad, { "docsis_dcd.tlvlenbad", PI_MALFORMED, PI_ERROR, "Bad TLV length", EXPFILL}}, - }; - - expert_module_t* expert_docsis_dcd; - - proto_docsis_dcd = - proto_register_protocol ("DOCSIS Downstream Channel Descriptor", - "DOCSIS DCD", "docsis_dcd"); - - proto_register_field_array (proto_docsis_dcd, hf, array_length (hf)); - proto_register_subtree_array (ett, array_length (ett)); - expert_docsis_dcd = expert_register_protocol(proto_docsis_dcd); - expert_register_field_array(expert_docsis_dcd, ei, array_length(ei)); - - docsis_dcd_handle = register_dissector ("docsis_dcd", dissect_dcd, proto_docsis_dcd); -} - -void -proto_reg_handoff_docsis_dcd (void) -{ - dissector_add_uint ("docsis_mgmt", 0x20, docsis_dcd_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: - */ |