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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-bthcrp.c | |
parent | Initial commit. (diff) | |
download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-bthcrp.c')
-rw-r--r-- | epan/dissectors/packet-bthcrp.c | 683 |
1 files changed, 683 insertions, 0 deletions
diff --git a/epan/dissectors/packet-bthcrp.c b/epan/dissectors/packet-bthcrp.c new file mode 100644 index 00000000..431b90c9 --- /dev/null +++ b/epan/dissectors/packet-bthcrp.c @@ -0,0 +1,683 @@ +/* packet-bthcrp.c + * Routines for Bluetooth HCRP dissection + * + * Copyright 2013, Michal Labedzki for Tieto Corporation + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/prefs.h> +#include <epan/expert.h> + +#include "packet-btl2cap.h" +#include "packet-btsdp.h" + +enum { + FORCE_CLIENT_DEFAULT = 0, + FORCE_CLIENT_YES = 1, + FORCE_CLIENT_NO = 2 +}; + +static int proto_bthcrp = -1; + +static int hf_bthcrp_notification_pdu_id = -1; +static int hf_bthcrp_control_pdu_id = -1; +static int hf_bthcrp_control_transaction_id = -1; +static int hf_bthcrp_control_parameter_length = -1; +static int hf_bthcrp_control_status = -1; +static int hf_bthcrp_callback_context_id = -1; +static int hf_bthcrp_control_callback_timeout = -1; +static int hf_bthcrp_control_timeout = -1; +static int hf_bthcrp_control_1284_id = -1; +static int hf_bthcrp_control_register = -1; +static int hf_bthcrp_control_start_byte = -1; +static int hf_bthcrp_control_number_of_bytes = -1; +static int hf_bthcrp_control_client_credit_granted = -1; +static int hf_bthcrp_control_server_credit_granted = -1; +static int hf_bthcrp_control_client_credit_return = -1; +static int hf_bthcrp_control_server_credit_return = -1; +static int hf_bthcrp_control_client_credit_query = -1; +static int hf_bthcrp_control_server_credit_query = -1; +static int hf_bthcrp_control_status_reserved_76 = -1; +static int hf_bthcrp_control_status_paper_empty = -1; +static int hf_bthcrp_control_status_select = -1; +static int hf_bthcrp_control_status_not_error = -1; +static int hf_bthcrp_control_status_reserved_20 = -1; +static int hf_bthcrp_data = -1; + +static gint ett_bthcrp = -1; + +static expert_field ei_bthcrp_control_parameter_length = EI_INIT; +static expert_field ei_bthcrp_unexpected_data = EI_INIT; + +static dissector_handle_t bthcrp_handle; + +static gint force_client = FORCE_CLIENT_DEFAULT; +static gint psm_control = 0; +static gint psm_data_stream = 0; +static gint psm_notification = 0; + +static const value_string control_pdu_id_vals[] = { + { 0x0001, "CR_DataChannelCreditGrant" }, + { 0x0002, "CR_DataChannelCreditRequest" }, + { 0x0003, "CR_DataChannelCreditReturn" }, + { 0x0004, "CR_DataChannelCreditQuery" }, + { 0x0005, "CR_GetLPTStatus" }, + { 0x0006, "CR_Get1284ID" }, + { 0x0007, "CR_SoftReset" }, + { 0x0008, "CR_HardReset" }, + { 0x0009, "CR_RegisterNotification" }, + { 0x000A, "CR_NotificationConnectionAlive" }, + { 0, NULL } +}; + +static const value_string status_vals[] = { + { 0x0000, "Feature Unsupported" }, + { 0x0001, "Success" }, + { 0x0002, "Credit Synchronization Error" }, + { 0xFFFF, "Generic Failure" }, + { 0, NULL } +}; + +static const value_string notification_pdu_id_vals[] = { + { 0x0001, "N_Notification" }, + { 0, NULL } +}; + +static const value_string register_vals[] = { + { 0x00, "Remove Client From Receiver Notification" }, + { 0x01, "Add Client To Receiver Notification" }, + { 0, NULL } +}; + +static const enum_val_t force_client_enum[] = { + { "default", "Default", FORCE_CLIENT_DEFAULT }, + { "yes", "Yes", FORCE_CLIENT_YES }, + { "no", "No", FORCE_CLIENT_NO }, + { NULL, NULL, 0 } +}; + +void proto_register_bthcrp(void); +void proto_reg_handoff_bthcrp(void); + + +static gint +dissect_control(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, + gint offset, gboolean is_client_message) +{ + /* flow: reqests: only client -> server; responses: only server -> */ + proto_item *pitem; + guint16 control_pdu_id; + guint credits; + guint timeout; + guint context_id; + guint notification_register; + guint number; + gint parameter_length; + + pitem = proto_tree_add_item(tree, hf_bthcrp_control_pdu_id, tvb, offset, 2, ENC_BIG_ENDIAN); + control_pdu_id = tvb_get_ntohs(tvb, offset); + offset += 2; + + col_append_fstr(pinfo->cinfo, COL_INFO, "Control: %s %s", + ((is_client_message) ? "Request" : "Response"), + val_to_str_const(control_pdu_id, control_pdu_id_vals, "Unknown PDU ID")); + + if (control_pdu_id >= 0x8000) { + proto_item_append_text(pitem, " (Vendor Specific)"); + col_append_str(pinfo->cinfo, COL_INFO, " (Vendor Specific)"); + } else if (control_pdu_id == 0x0000 || control_pdu_id >= 0x000B ) { + proto_item_append_text(pitem, " (Reserved)"); + col_append_str(pinfo->cinfo, COL_INFO, " (Reserved)"); + } + + proto_tree_add_item(tree, hf_bthcrp_control_transaction_id, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + pitem = proto_tree_add_item(tree, hf_bthcrp_control_parameter_length, tvb, offset, 2, ENC_BIG_ENDIAN); + parameter_length = tvb_get_ntohs(tvb, offset); + offset += 2; + + if (!is_client_message && parameter_length < 2) { + expert_add_info_format(pinfo, pitem, &ei_bthcrp_control_parameter_length, + "Parameter length is shorter than 2 in response"); + } + + if (parameter_length < tvb_reported_length_remaining(tvb, offset)) { + expert_add_info_format(pinfo, pitem, &ei_bthcrp_control_parameter_length, + "Parameter length is shorter than payload length"); + } else if (parameter_length > tvb_reported_length_remaining(tvb, offset)) { + expert_add_info_format(pinfo, pitem, &ei_bthcrp_control_parameter_length, + "Parameter length is larger than payload length"); + } + + if (!is_client_message) { + proto_tree_add_item(tree, hf_bthcrp_control_status, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + } + + if (control_pdu_id >= 0x8000) { + if (tvb_reported_length_remaining(tvb, offset)) { + proto_tree_add_item(tree, hf_bthcrp_data, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_NA); + offset += tvb_reported_length_remaining(tvb, offset); + } + } else switch(control_pdu_id) { + case 0x0001: /* CR_DataChannelCreditGrant */ + if (is_client_message) { + proto_tree_add_item(tree, hf_bthcrp_control_client_credit_granted, tvb, offset, 4, ENC_BIG_ENDIAN); + credits = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, " - CreditGranted: %u", credits); + offset += 4; + } + break; + case 0x0002: /* CR_DataChannelCreditRequest */ + if (!is_client_message) { + proto_tree_add_item(tree, hf_bthcrp_control_server_credit_granted, tvb, offset, 4, ENC_BIG_ENDIAN); + credits = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, " - CreditGranted: %u", credits); + offset += 4; + } + break; + case 0x0003: /* CR_DataChannelCreditReturn */ + if (is_client_message) { + proto_tree_add_item(tree, hf_bthcrp_control_client_credit_return, tvb, offset, 4, ENC_BIG_ENDIAN); + credits = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, " - Client Credit Return: %u", credits); + offset += 4; + } else { + proto_tree_add_item(tree, hf_bthcrp_control_server_credit_return, tvb, offset, 4, ENC_BIG_ENDIAN); + credits = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, " - Server Credit Return: %u", credits); + offset += 4; + } + break; + case 0x0004: /* CR_DataChannelCreditQuery */ + if (is_client_message) { + proto_tree_add_item(tree, hf_bthcrp_control_client_credit_query, tvb, offset, 4, ENC_BIG_ENDIAN); + credits = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, " - Client Credit: %u", credits); + offset += 4; + } else { + proto_tree_add_item(tree, hf_bthcrp_control_server_credit_query, tvb, offset, 4, ENC_BIG_ENDIAN); + credits = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, " - Server Credit: %u", credits); + offset += 4; + } + break; + case 0x0005: /* CR_GetLPTStatus */ + if (!is_client_message) { + proto_tree_add_item(tree, hf_bthcrp_control_status_reserved_76, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_bthcrp_control_status_paper_empty, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_bthcrp_control_status_select, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_bthcrp_control_status_not_error, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_bthcrp_control_status_reserved_20, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + } + break; + case 0x0006: /* CR_Get1284ID */ + if (is_client_message) { + proto_tree_add_item(tree, hf_bthcrp_control_start_byte, tvb, offset, 2, ENC_BIG_ENDIAN); + number = tvb_get_ntohs(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, " - Start Byte: %u", number); + offset += 2; + + proto_tree_add_item(tree, hf_bthcrp_control_number_of_bytes, tvb, offset, 2, ENC_BIG_ENDIAN); + number = tvb_get_ntohs(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, ", Number Of Bytes: %u", number); + offset += 2; + } else { + const guint8 *id; + + proto_tree_add_item_ret_string(tree, hf_bthcrp_control_1284_id, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII | ENC_NA, pinfo->pool, &id); + col_append_fstr(pinfo->cinfo, COL_INFO, " - 1284 ID: %s", id); + offset += tvb_reported_length_remaining(tvb, offset); + } + break; + case 0x0007: /* CR_SoftReset */ + case 0x0008: /* CR_HardReset */ + break; + case 0x0009: /* CR_RegisterNotification */ + if (is_client_message) { + proto_tree_add_item(tree, hf_bthcrp_control_register, tvb, offset, 1, ENC_BIG_ENDIAN); + notification_register = tvb_get_guint8(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, " - Register: %s", val_to_str_const(notification_register, register_vals, "unknown register")); + offset += 1; + + proto_tree_add_item(tree, hf_bthcrp_callback_context_id, tvb, offset, 4, ENC_BIG_ENDIAN); + context_id = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, ", Callback ContextID: %u", context_id); + offset += 4; + + proto_tree_add_item(tree, hf_bthcrp_control_callback_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); + timeout = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, ", Callback Timeout: %u", timeout); + offset += 4; + } else { + proto_tree_add_item(tree, hf_bthcrp_control_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); + timeout = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, " - Timeout: %u", timeout); + offset += 4; + + proto_tree_add_item(tree, hf_bthcrp_control_callback_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); + timeout = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, ", Callback Timeout: %u", timeout); + offset += 4; + } + break; + case 0x000A: /* CR_NotificationConnectionAlive */ + if (!is_client_message) { + proto_tree_add_item(tree, hf_bthcrp_control_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); + timeout = tvb_get_ntohl(tvb, offset); + col_append_fstr(pinfo->cinfo, COL_INFO, " - Timeout: %u", timeout); + offset += 4; + } + break; + } + + return offset; +} + + +static gint +dissect_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gint offset) +{ + /* flow: server <-> client */ + tvbuff_t *next_tvb; + + col_append_str(pinfo->cinfo, COL_INFO, "HCRP data stream"); + + next_tvb = tvb_new_subset_remaining(tvb, offset); + call_data_dissector(next_tvb, pinfo, tree); + + offset += tvb_reported_length_remaining(tvb, offset); + + return offset; +} + + +static gint +dissect_notification(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, + gint offset, gboolean is_client_message) +{ + /* flow: only server -> client */ + guint16 notification_pdu_id; + proto_item *pitem; + + if (is_client_message) { + col_append_str(pinfo->cinfo, COL_INFO, "Notification: unexpected notification stream"); + return offset; + } + + pitem = proto_tree_add_item(tree, hf_bthcrp_notification_pdu_id, tvb, offset, 2, ENC_BIG_ENDIAN); + notification_pdu_id = tvb_get_ntohs(tvb, offset); + offset += 2; + + col_append_fstr(pinfo->cinfo, COL_INFO, "Notification: %s", val_to_str_const(notification_pdu_id, notification_pdu_id_vals, "Unknown PDU ID")); + + if (notification_pdu_id >= 0x8000) { + proto_item_append_text(pitem, " (Vendor Specific)"); + col_append_str(pinfo->cinfo, COL_INFO, " (Vendor Specific)"); + if (tvb_reported_length_remaining(tvb, offset)) { + proto_tree_add_item(tree, hf_bthcrp_data, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_NA); + offset += tvb_reported_length_remaining(tvb, offset); + } + } else if (notification_pdu_id != 0x001) { + proto_item_append_text(pitem, " (Reserved)"); + col_append_str(pinfo->cinfo, COL_INFO, " (Reserved)"); + } + + switch(notification_pdu_id) { + case 0x01: /* N_NOTIFICATION */ + proto_tree_add_item(tree, hf_bthcrp_callback_context_id, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + break; + } + + return offset; +} + +static gint +dissect_bthcrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) +{ + proto_item *main_item; + proto_tree *main_tree; + gint offset = 0; + gint protocol = -1; + gboolean is_client_message = FALSE; + gint previous_proto; + + previous_proto = (GPOINTER_TO_INT(wmem_list_frame_data(wmem_list_frame_prev(wmem_list_tail(pinfo->layers))))); + if (previous_proto == proto_btl2cap) { + btl2cap_data_t *l2cap_data; + wmem_tree_key_t key[10]; + guint32 interface_id; + guint32 adapter_id; + guint32 sdp_psm = SDP_PSM_DEFAULT; + guint32 direction; + guint32 bd_addr_oui; + guint32 bd_addr_id; + guint32 service_type; + guint32 service_channel; + guint32 frame_number; + service_info_t *service_info; + + l2cap_data = (btl2cap_data_t *) data; + + interface_id = l2cap_data->interface_id; + adapter_id = l2cap_data->adapter_id; + + direction = (l2cap_data->is_local_psm) ? P2P_DIR_SENT : P2P_DIR_RECV; + if (direction == P2P_DIR_RECV) { + bd_addr_oui = l2cap_data->remote_bd_addr_oui; + bd_addr_id = l2cap_data->remote_bd_addr_id; + } else { + bd_addr_oui = 0; + bd_addr_id = 0; + } + + service_type = BTSDP_L2CAP_PROTOCOL_UUID; + service_channel = l2cap_data->psm; + frame_number = pinfo->num; + + key[0].length = 1; + key[0].key = &interface_id; + key[1].length = 1; + key[1].key = &adapter_id; + key[2].length = 1; + key[2].key = &sdp_psm; + key[3].length = 1; + key[3].key = &direction; + key[4].length = 1; + key[4].key = &bd_addr_oui; + key[5].length = 1; + key[5].key = &bd_addr_id; + key[6].length = 1; + key[6].key = &service_type; + key[7].length = 1; + key[7].key = &service_channel; + key[8].length = 1; + key[8].key = &frame_number; + key[9].length = 0; + key[9].key = NULL; + + service_info = btsdp_get_service_info(key); + if (service_info && service_info->interface_id == interface_id && + service_info->adapter_id == adapter_id && + service_info->sdp_psm == SDP_PSM_DEFAULT && + ((service_info->direction == P2P_DIR_RECV && + service_info->bd_addr_oui == bd_addr_oui && + service_info->bd_addr_id == bd_addr_id) || + (service_info->direction != P2P_DIR_RECV && + service_info->bd_addr_oui == 0 && + service_info->bd_addr_id == 0)) && + service_info->type == BTSDP_L2CAP_PROTOCOL_UUID && + service_info->channel == l2cap_data->psm) { + + if ((service_info->protocol == BTSDP_HARDCOPY_CONTROL_CHANNEL_PROTOCOL_UUID || + service_info->protocol == BTSDP_HARDCOPY_DATA_CHANNEL_PROTOCOL_UUID) && + ((!l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_SENT) || + (l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_RECV))) { + is_client_message = TRUE; + } else if (service_info->protocol == BTSDP_HARDCOPY_NOTIFICATION_PROTOCOL_UUID && + ((l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_SENT) || + (!l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_RECV))) { + is_client_message = TRUE; + } + + protocol = service_info->protocol; + } + + if (psm_control != 0 && l2cap_data->psm == psm_control) { + protocol = BTSDP_HARDCOPY_CONTROL_CHANNEL_PROTOCOL_UUID; + } else if (psm_data_stream != 0 && l2cap_data->psm == psm_data_stream) { + protocol = BTSDP_HARDCOPY_DATA_CHANNEL_PROTOCOL_UUID; + } else if (psm_notification != 0 && l2cap_data->psm == psm_notification) { + protocol = BTSDP_HARDCOPY_NOTIFICATION_PROTOCOL_UUID; + } + + } + + main_item = proto_tree_add_item(tree, proto_bthcrp, tvb, offset, -1, ENC_NA); + main_tree = proto_item_add_subtree(main_item, ett_bthcrp); + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCRP"); + + switch (pinfo->p2p_dir) { + case P2P_DIR_SENT: + col_set_str(pinfo->cinfo, COL_INFO, "Sent "); + break; + case P2P_DIR_RECV: + col_set_str(pinfo->cinfo, COL_INFO, "Rcvd "); + break; + default: + col_set_str(pinfo->cinfo, COL_INFO, "UnknownDirection "); + break; + } + + if (force_client != FORCE_CLIENT_DEFAULT) { + is_client_message = (force_client == FORCE_CLIENT_YES && pinfo->p2p_dir == P2P_DIR_SENT) || + (force_client != FORCE_CLIENT_YES && pinfo->p2p_dir == P2P_DIR_RECV); + } + + if (protocol == BTSDP_HARDCOPY_CONTROL_CHANNEL_PROTOCOL_UUID) { + offset = dissect_control(tvb, pinfo, main_tree, offset, is_client_message); + } else if (protocol == BTSDP_HARDCOPY_DATA_CHANNEL_PROTOCOL_UUID) { + offset = dissect_data(tvb, pinfo, main_tree, offset); + } else if (protocol == BTSDP_HARDCOPY_NOTIFICATION_PROTOCOL_UUID) { + offset = dissect_notification(tvb, pinfo, main_tree, offset, is_client_message); + } else { + col_append_fstr(pinfo->cinfo, COL_INFO, "HCRP stream"); + } + + if (tvb_reported_length_remaining(tvb, offset)) { + proto_item *pitem; + + pitem = proto_tree_add_item(main_tree, hf_bthcrp_data, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_NA); + expert_add_info(pinfo, pitem, &ei_bthcrp_unexpected_data); + } + + return offset; +} + + +void +proto_register_bthcrp(void) +{ + module_t *module; + expert_module_t* expert_bthcrp; + + static hf_register_info hf[] = { + { &hf_bthcrp_control_pdu_id, + { "Control PDU ID", "bthcrp.control.pdu_id", + FT_UINT16, BASE_HEX, VALS(control_pdu_id_vals), 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_transaction_id, + { "Transaction ID", "bthcrp.control.transaction_id", + FT_UINT16, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_parameter_length, + { "Parameter Length", "bthcrp.control.parameter_length", + FT_UINT16, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_status, + { "Status", "bthcrp.control.status", + FT_UINT16, BASE_HEX, VALS(status_vals), 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_notification_pdu_id, + { "Notification PDU ID", "bthcrp.notification.pdu_id", + FT_UINT16, BASE_HEX, VALS(notification_pdu_id_vals), 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_callback_context_id, + { "Callback Context ID", "bthcrp.callback.context_id", + FT_UINT32, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_callback_timeout, + { "Callback Timeout", "bthcrp.callback.timeout", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_timeout, + { "Timeout", "bthcrp.timeout", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_register, + { "Register", "bthcrp.register", + FT_UINT8, BASE_HEX, VALS(register_vals), 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_1284_id, + { "1284 ID", "bthcrp.1284_id", + FT_STRING, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_start_byte, + { "Start Byte", "bthcrp.start_byte", + FT_UINT16, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_number_of_bytes, + { "Number Of Bytes", "bthcrp.number_of_bytes", + FT_UINT16, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_client_credit_granted, + { "Client Credit Granted", "bthcrp.client_credit_granted", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_server_credit_granted, + { "Server Credit Granted", "bthcrp.server_credit_granted", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_client_credit_return, + { "Client Credit Return", "bthcrp.client_credit_return", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_server_credit_return, + { "Server Credit Return", "bthcrp.server_credit_return", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_client_credit_query, + { "Client Credit Query", "bthcrp.client_credit_query", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_server_credit_query, + { "Server Credit Query", "bthcrp.server_credit_query", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_bthcrp_control_status_reserved_76, + { "Reserved", "bthcrp.status.reserved76", + FT_UINT8, BASE_DEC, NULL, 0xC0, + NULL, HFILL } + }, + { &hf_bthcrp_control_status_paper_empty, + { "Paper Empty", "bthcrp.status.paper_empty", + FT_BOOLEAN, 8, NULL, 0x20, + NULL, HFILL } + }, + { &hf_bthcrp_control_status_select, + { "Select", "bthcrp.status.select", + FT_BOOLEAN, 8, NULL, 0x10, + NULL, HFILL } + }, + { &hf_bthcrp_control_status_not_error, + { "Not Error", "bthcrp.status.not_error", + FT_BOOLEAN, 8, NULL, 0x08, + NULL, HFILL } + }, + { &hf_bthcrp_control_status_reserved_20, + { "Reserved", "bthcrp.status.reserved210", + FT_UINT8, BASE_HEX, NULL, 0x07, + NULL, HFILL } + }, + { &hf_bthcrp_data, + { "Data", "bthcrp.data", + FT_NONE, BASE_NONE, NULL, 0x00, + NULL, HFILL } + } + }; + + static gint *ett[] = { + &ett_bthcrp + }; + + static ei_register_info ei[] = { + { &ei_bthcrp_control_parameter_length, { "bthcrp.control_parameter_length.bad", PI_PROTOCOL, PI_WARN, "Length bad", EXPFILL }}, + { &ei_bthcrp_unexpected_data, { "bthcrp.unexpected_data", PI_PROTOCOL, PI_WARN, "Unexpected data", EXPFILL }}, + }; + + proto_bthcrp = proto_register_protocol("Bluetooth HCRP Profile", "BT HCRP", "bthcrp"); + bthcrp_handle = register_dissector("bthcrp", dissect_bthcrp, proto_bthcrp); + + proto_register_field_array(proto_bthcrp, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + expert_bthcrp = expert_register_protocol(proto_bthcrp); + expert_register_field_array(expert_bthcrp, ei, array_length(ei)); + + module = prefs_register_protocol_subtree("Bluetooth", proto_bthcrp, NULL); + prefs_register_static_text_preference(module, "hcrp.version", + "Bluetooth Profile HCRP version: 1.2", + "Version of profile supported by this dissector."); + + prefs_register_obsolete_preference(module, "hcrp.is_client"); + + prefs_register_enum_preference(module, "hcrp.force_client", "Force Client", + "If \"yes\" localhost will be treat as Client, \"no\" as Server", + &force_client, force_client_enum, FALSE); + + prefs_register_uint_preference(module, "hcrp.control.psm", "L2CAP PSM for Control", + "L2CAP PSM for Control", + 10, &psm_control); + prefs_register_uint_preference(module, "hcrp.data.psm", "L2CAP PSM for Data", + "L2CAP PSM for Data", + 10, &psm_data_stream); + prefs_register_uint_preference(module, "hcrp.notification.psm", "L2CAP PSM for Notification", + "L2CAP PSM for Notification", + 10, &psm_notification); +} + +void +proto_reg_handoff_bthcrp(void) +{ + dissector_add_string("bluetooth.uuid", "12", bthcrp_handle); + dissector_add_string("bluetooth.uuid", "14", bthcrp_handle); + dissector_add_string("bluetooth.uuid", "16", bthcrp_handle); + dissector_add_string("bluetooth.uuid", "1125", bthcrp_handle); + dissector_add_string("bluetooth.uuid", "1126", bthcrp_handle); + dissector_add_string("bluetooth.uuid", "1127", bthcrp_handle); + + dissector_add_for_decode_as("btl2cap.psm", bthcrp_handle); + dissector_add_for_decode_as("btl2cap.cid", bthcrp_handle); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 4 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * vi: set shiftwidth=4 tabstop=8 expandtab: + * :indentSize=4:tabSize=8:noTabs=true: + */ |