From 9d568f7f9c5cc402fd56ff2ca6484f60d5ec904d Mon Sep 17 00:00:00 2001 From: Kovarththanan Rajaratnam Date: Tue, 18 May 2010 07:32:04 +0000 Subject: [PATCH] From Allan M. Madsen: Initial implementation of Bluetooth OBEX dissector. Work in progress. svn path=/trunk/; revision=32862 --- epan/CMakeLists.txt | 1 + epan/dissectors/Makefile.common | 1 + epan/dissectors/packet-btobex.c | 765 ++++++++++++++++++++++++++++++++ 3 files changed, 767 insertions(+) create mode 100644 epan/dissectors/packet-btobex.c diff --git a/epan/CMakeLists.txt b/epan/CMakeLists.txt index 535aed7d69..0228899e97 100644 --- a/epan/CMakeLists.txt +++ b/epan/CMakeLists.txt @@ -372,6 +372,7 @@ set(DISSECTOR_SRC dissectors/packet-bthci_evt.c dissectors/packet-bthci_sco.c dissectors/packet-btl2cap.c + dissectors/packet-btobex.c dissectors/packet-btrfcomm.c dissectors/packet-btsdp.c dissectors/packet-bvlc.c diff --git a/epan/dissectors/Makefile.common b/epan/dissectors/Makefile.common index 405e8a6dc3..ba5f8c224e 100644 --- a/epan/dissectors/Makefile.common +++ b/epan/dissectors/Makefile.common @@ -276,6 +276,7 @@ DISSECTOR_SRC = \ packet-bthci_evt.c \ packet-bthci_sco.c \ packet-btl2cap.c \ + packet-btobex.c \ packet-btrfcomm.c \ packet-btsdp.c \ packet-bvlc.c \ diff --git a/epan/dissectors/packet-btobex.c b/epan/dissectors/packet-btobex.c new file mode 100644 index 0000000000..492098edc8 --- /dev/null +++ b/epan/dissectors/packet-btobex.c @@ -0,0 +1,765 @@ +/* packet-btobex.c + * Routines for the Bluetooth OBEX dissection + * + * Allan M. Madsen 2010 + * + * $Id: packet-btobex.c 32860 2010-05-18 06:09:52Z krj $ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include + +#include +#include +#include +#include +#include + +/* Initialize the protocol and registered fields */ +static int proto_btobex = -1; +static int hf_opcode = -1; +static int hf_response_code = -1; +static int hf_final_flag = -1; +static int hf_length = -1; +static int hf_version = -1; +static int hf_flags = -1; +static int hf_constants = -1; +static int hf_max_pkt_len = -1; +static int hf_set_path_flags_0 = -1; +static int hf_set_path_flags_1 = -1; +static int hf_hdr_id = -1; +static int hf_hdr_length = -1; +static int hf_hdr_val_unicode = -1; +static int hf_hdr_val_byte_seq = -1; +static int hf_hdr_val_byte = -1; +static int hf_hdr_val_long = -1; +static int hf_data = -1; + +/* ************************************************************************* */ +/* Header values for reassembly */ +/* ************************************************************************* */ +static int hf_btobex_fragments = -1; +static int hf_btobex_fragment = -1; +static int hf_btobex_fragment_overlap = -1; +static int hf_btobex_fragment_overlap_conflict = -1; +static int hf_btobex_fragment_multiple_tails = -1; +static int hf_btobex_fragment_too_long_fragment = -1; +static int hf_btobex_fragment_error = -1; +static int hf_btobex_reassembled_in = -1; +static int hf_btobex_reassembled_length = -1; +static gint ett_btobex_fragment = -1; +static gint ett_btobex_fragments = -1; + +static GHashTable *fragment_table = NULL; +static GHashTable *reassembled_table = NULL; + +static const fragment_items btobex_frag_items = { + &ett_btobex_fragment, + &ett_btobex_fragments, + &hf_btobex_fragments, + &hf_btobex_fragment, + &hf_btobex_fragment_overlap, + &hf_btobex_fragment_overlap_conflict, + &hf_btobex_fragment_multiple_tails, + &hf_btobex_fragment_too_long_fragment, + &hf_btobex_fragment_error, + &hf_btobex_reassembled_in, + &hf_btobex_reassembled_length, + "fragments" +}; + +/* Initialize the subtree pointers */ +static gint ett_btobex = -1; +static gint ett_btobex_hdrs = -1; +static gint ett_btobex_hdr = -1; + +static guint8 last_opcode[2] = {1,1}; +static dissector_handle_t xml_handle=NULL; +static dissector_handle_t data_handle=NULL; + +typedef struct _ext_value_string { + guint8 value[16]; + const gchar *strptr; +} ext_value_string; + +static const ext_value_string target_vals[] = { + { 0xF9, 0xEC, 0x7B, 0xC4, 0x95, 0x3C, 0x11, 0xD2, 0x98, 0x4E, 0x52, 0x54, 0x00, 0xDC, 0x9E, 0x09, "Folder Browsing" }, + { 0x79, 0x61, 0x35, 0xf0, 0xf0, 0xc5, 0x11, 0xd8, 0x09, 0x66, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66, "Phone Book Access" }, + { 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0x02, 0xEE, 0x00, 0x00, 0x02, "SyncML" }, + { 0xE3, 0x3D, 0x95, 0x45, 0x83, 0x74, 0x4A, 0xD7, 0x9E, 0xC5, 0xC1, 0x6B, 0xE3, 0x1E, 0xDE, 0x8E, "Basic Imaging Push" }, + { 0x8E, 0xE9, 0xB3, 0xD0, 0x46, 0x08, 0x11, 0xD5, 0x84, 0x1A, 0x00, 0x02, 0xA5, 0x32, 0x5B, 0x4E, "Basic Imaging Pull" }, + { 0x92, 0x35, 0x33, 0x50, 0x46, 0x08, 0x11, 0xD5, 0x84, 0x1A, 0x00, 0x02, 0xA5, 0x32, 0x5B, 0x4E, "Basic Imaging Advanced Printing" }, + { 0x94, 0x01, 0x26, 0xC0, 0x46, 0x08, 0x11, 0xD5, 0x84, 0x1A, 0x00, 0x02, 0xA5, 0x32, 0x5B, 0x4E, "Basic Imaging Automativ Archive" }, + { 0x94, 0x7E, 0x74, 0x20, 0x46, 0x08, 0x11, 0xD5, 0x84, 0x1A, 0x00, 0x02, 0xA5, 0x32, 0x5B, 0x4E, "Basic Imaging Remote Camera" }, + { 0x94, 0xC7, 0xCD, 0x20, 0x46, 0x08, 0x11, 0xD5, 0x84, 0x1A, 0x00, 0x02, 0xA5, 0x32, 0x5B, 0x4E, "Basic Imaging Remote Display" }, + { 0x8E, 0x61, 0xF9, 0x5D, 0x1A, 0x79, 0x11, 0xD4, 0x8E, 0xA4, 0x00, 0x80, 0x5F, 0x9B, 0x98, 0x34, "Basic Imaging Referenced Objects" }, + { 0x8E, 0x61, 0xF9, 0x5D, 0x1A, 0x79, 0x11, 0xD4, 0x8E, 0xA4, 0x00, 0x80, 0x5F, 0x9B, 0x98, 0x34, "Basic Imaging Archived Objects" }, + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, NULL }, +}; + +static const value_string version_vals[] = { + { 0x10, "1.0" }, + { 0x11, "1.1" }, + { 0x12, "1.2" }, + { 0x13, "1.3" }, + { 0x20, "2.0" }, + { 0x21, "2.1" }, + { 0, NULL } +}; + +static const true_false_string true_false = { + "True", + "False" +}; + +static const value_string code_vals[] = { + { 0x00, "Connect" }, + { 0x01, "Disconnect" }, + { 0x02, "Put" }, + { 0x03, "Get"}, + { 0x05, "Set Path" }, + { 0x10, "Continue" }, + { 0x20, "Success" }, + { 0x21, "Created" }, + { 0x22, "Accepted" }, + { 0x23, "Non-Authoritative Information" }, + { 0x24, "No Content" }, + { 0x25, "Reset Content" }, + { 0x26, "Partial Content" }, + { 0x30, "Multiple Choices" }, + { 0x31, "Moved Permanently" }, + { 0x32, "Moved Temporarily" }, + { 0x33, "See Other" }, + { 0x34, "Not Modified" }, + { 0x35, "Use Proxy" }, + { 0x40, "Bad Request" }, + { 0x41, "Unauthorised" }, + { 0x42, "Payment Required" }, + { 0x43, "Forbidden" }, + { 0x44, "Not Found" }, + { 0x45, "Method Not Allowed" }, + { 0x46, "Not Acceptable" }, + { 0x47, "Proxy Authentication Required" }, + { 0x48, "Request Timeout" }, + { 0x49, "Conflict" }, + { 0x4a, "Gone" }, + { 0x4b, "Length Required" }, + { 0x4c, "Precondition Failed" }, + { 0x4d, "Requested Entity Too Large" }, + { 0x4e, "Requested URL Too Large" }, + { 0x4f, "Unsupported Media Type" }, + { 0x50, "Internal Server Error" }, + { 0x51, "Not Implemented" }, + { 0x52, "Bad Gateway" }, + { 0x53, "Service Unavailable" }, + { 0x54, "Gateway Timeout" }, + { 0x55, "HTTP Version Not Supported" }, + { 0x60, "Database Full" }, + { 0x61, "Database Locked" }, + { 0x7F, "Abort" }, + { 0, NULL } +}; + +static const value_string header_id_vals[] = { + { 0x01, "Name" }, + { 0x05, "Description" }, + { 0x42, "Type" }, + { 0x44, "Time (ISO8601)" }, + { 0x46, "Target" }, + { 0x47, "HTTP" }, + { 0x48, "Body" }, + { 0x49, "End Of Body" }, + { 0x4a, "Who" }, + { 0x4c, "App. Parameters" }, + { 0x4d, "Auth. Challenge" }, + { 0x4e, "Auth. Response" }, + { 0x4f, "Object Class" }, + { 0xc0, "Count" }, + { 0xc3, "Length" }, + { 0xC4, "Time" }, + { 0xcb, "Connection Id" }, + { 0x30, "User Defined" }, + { 0x31, "User Defined" }, + { 0x32, "User Defined" }, + { 0x33, "User Defined" }, + { 0x34, "User Defined" }, + { 0x35, "User Defined" }, + { 0x36, "User Defined" }, + { 0x37, "User Defined" }, + { 0x38, "User Defined" }, + { 0x39, "User Defined" }, + { 0x3a, "User Defined" }, + { 0x3b, "User Defined" }, + { 0x3c, "User Defined" }, + { 0x3d, "User Defined" }, + { 0x3e, "User Defined" }, + { 0x3f, "User Defined" }, + { 0, NULL } +}; + +static void defragment_init(void) +{ + if( fragment_table == NULL) + { + fragment_table_init(&fragment_table); + reassembled_table_init(&reassembled_table); + } +} + +static int is_ascii_str(const guint8 *str, int length) +{ + int i; + + if( (length < 1) || (str[length-1] != '\0') ) + return 0; + + for(i=0; i0) + { + hdrs = proto_tree_add_text(tree, tvb, offset, item_length, "Headers"); + hdrs_tree=proto_item_add_subtree(hdrs, ett_btobex_hdrs); + } + else + { + return offset; + } + + while(tvb_length_remaining(tvb, offset)>0) + { + hdr_id = tvb_get_guint8(tvb, offset); + + switch(0xC0 & hdr_id) + { + case 0x00: + item_length = tvb_get_ntohs(tvb, offset+1); + break; + case 0x40: /* byte sequence */ + item_length = tvb_get_ntohs(tvb, offset+1); + break; + case 0x80: /* 1 byte */ + item_length = 2; + break; + case 0xc0: /* 4 bytes */ + item_length = 5; + break; + } + + hdr = proto_tree_add_text(hdrs_tree, tvb, offset, item_length, "%s", val_to_str(hdr_id, header_id_vals, "Unknown")); + hdr_tree=proto_item_add_subtree(hdr, ett_btobex_hdr); + + proto_tree_add_item(hdr_tree, hf_hdr_id, tvb, offset, 1, FALSE); + + offset++; + + switch(0xC0 & hdr_id) + { + case 0x00: /* null terminated unicode */ + { + char *str; + + proto_tree_add_item(hdr_tree, hf_hdr_length, tvb, offset, 2, FALSE); + offset += 2; + + if( (item_length - 3) > 0 ) + { + display_unicode_string(tvb, hdr_tree, offset, &str); + + proto_item_append_text(hdr_tree, " (\"%s\")", str); + + if (check_col(pinfo->cinfo, COL_INFO)) { + col_append_fstr(pinfo->cinfo, COL_INFO, " \"%s\"", str); + } + } + else + { + proto_item_append_text(hdr_tree, " (\"\")", str); + + if (check_col(pinfo->cinfo, COL_INFO)) { + col_append_fstr(pinfo->cinfo, COL_INFO, " \"\""); + } + } + + offset += item_length - 3; + } + break; + case 0x40: /* byte sequence */ + proto_tree_add_item(hdr_tree, hf_hdr_length, tvb, offset, 2, FALSE); + offset += 2; + + handle_item = proto_tree_add_item(hdr_tree, hf_hdr_val_byte_seq, tvb, offset, item_length - 3, FALSE); + + if( ((hdr_id == 0x46) || (hdr_id == 0x4a)) && (item_length == 19) ) /* target or who */ + { + ptr = tvb_get_ptr(tvb, offset, item_length - 3); + for( i=0; target_vals[i].strptr != NULL; i++) + { + if( memcmp(ptr, target_vals[i].value, 16) == 0 ) + { + proto_item_append_text(handle_item, ": %s", target_vals[i].strptr); + + proto_item_append_text(hdr_tree, " (%s)", target_vals[i].strptr); + + if (check_col(pinfo->cinfo, COL_INFO)) { + col_append_fstr(pinfo->cinfo, COL_INFO, " - %s", target_vals[i].strptr); + } + } + } + } + + if( !tvb_strneql(tvb, offset, "cinfo, COL_INFO)) { + col_append_fstr(pinfo->cinfo, COL_INFO, " \"%s\"", tvb_get_ptr(tvb, offset,item_length - 3)); + } + } + + offset += item_length - 3; + break; + case 0x80: /* 1 byte */ + proto_item_append_text(hdr_tree, " (%i)", tvb_get_ntohl(tvb, offset)); + proto_tree_add_item(hdr_tree, hf_hdr_val_byte, tvb, offset, 1, FALSE); + offset++; + break; + case 0xc0: /* 4 bytes */ + proto_item_append_text(hdr_tree, " (%i)", tvb_get_ntohl(tvb, offset)); + proto_tree_add_item(hdr_tree, hf_hdr_val_long, tvb, offset, 4, FALSE); + offset += 4; + break; + default: + break; + } + + } + + return offset; +} + +static void +dissect_btobex(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti; + proto_tree *st; + guint8 code; + proto_tree *msg_tree=NULL; + proto_item *msg=NULL; + fragment_data *frag_msg = NULL; + gboolean save_fragmented, complete; + tvbuff_t* new_tvb = NULL; + tvbuff_t* next_tvb = NULL; + guint32 no_of_segments = 0; + int offset=0; + + save_fragmented = pinfo->fragmented; + + frag_msg = NULL; + complete = FALSE; + + if( fragment_get(pinfo, pinfo->p2p_dir, fragment_table) ) + { + /* not the first fragment */ + frag_msg = fragment_add_seq_next(tvb, 0, pinfo, pinfo->p2p_dir, + fragment_table, reassembled_table, tvb_length(tvb), TRUE); + + new_tvb = process_reassembled_data(tvb, 0, pinfo, + "Reassembled Obex packet", frag_msg, &btobex_frag_items, NULL, tree); + + if(frag_msg != NULL) /* last fragment */ + complete = TRUE; + + } + else + { + if(tvb_length(tvb) < tvb_get_ntohs(tvb, offset+1)) + { + /* first fragment in a sequence */ + no_of_segments = tvb_get_ntohs(tvb, offset+1)/tvb_length(tvb); + if ( tvb_get_ntohs(tvb, offset+1) > (no_of_segments * tvb_length(tvb))) + no_of_segments++; + + frag_msg = fragment_add_seq_next(tvb, 0, pinfo, pinfo->p2p_dir, + fragment_table, reassembled_table, tvb_length(tvb), TRUE); + + fragment_set_tot_len(pinfo, pinfo->p2p_dir, fragment_table, no_of_segments-1); + + new_tvb = process_reassembled_data(tvb, 0, pinfo, + "Reassembled Obex packet", frag_msg, &btobex_frag_items, NULL, tree); + + pinfo->fragmented = TRUE; + } + else if( tvb_length(tvb) == tvb_get_ntohs(tvb, offset+1) ) + { + /* non-fragmented */ + complete = TRUE; + pinfo->fragmented = FALSE; + } + } + + if (new_tvb) { /* take it all */ + next_tvb = new_tvb; + complete = TRUE; + } else { /* make a new subset */ + next_tvb = tvb_new_subset(tvb, offset, -1, -1); + } + + if( complete ) + { + /* fully dissectable packet ready */ + + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "OBEX"); + + ti = proto_tree_add_item(tree, proto_btobex, next_tvb, 0, -1, FALSE); + st = proto_item_add_subtree(ti, ett_btobex); + + /* op/response code */ + code = tvb_get_guint8(next_tvb, offset) & 0x7f; + + if (check_col(pinfo->cinfo, COL_INFO)) { + col_add_fstr(pinfo->cinfo, COL_INFO, "%s %s", + pinfo->p2p_dir==P2P_DIR_SENT?"Sent":"Rcvd", + val_to_str(code, code_vals, "Unknown")); + } + + if( (code < 0x10) || (code == 0x7f)) + { + proto_tree_add_item(st, hf_opcode, next_tvb, offset, 1, FALSE); + last_opcode[pinfo->p2p_dir] = code; + } + else + { + proto_tree_add_item(st, hf_response_code, next_tvb, offset, 1, FALSE); + } + proto_tree_add_item(st, hf_final_flag, next_tvb, offset, 1, FALSE); + offset++; + + /* length */ + proto_tree_add_item(st, hf_length, next_tvb, offset, 2, FALSE); + offset += 2; + + switch(code) + { + case 0: /* connect */ + proto_tree_add_item(st, hf_version, next_tvb, offset, 1, FALSE); + offset++; + + proto_tree_add_item(st, hf_flags, next_tvb, offset, 1, FALSE); + offset++; + + proto_tree_add_item(st, hf_max_pkt_len, next_tvb, offset, 2, FALSE); + offset += 2; + break; + + case 2: /* put */ + case 3: /* get */ + if (check_col(pinfo->cinfo, COL_INFO)) { + col_append_fstr(pinfo->cinfo, COL_INFO, " %s", + (tvb_get_guint8(next_tvb, offset) & 0x80)==0x80?"final":"continue"); + } + break; + + case 5: /* set path */ + proto_tree_add_item(st, hf_flags, next_tvb, offset, 1, FALSE); + proto_tree_add_item(st, hf_set_path_flags_0, next_tvb, offset, 1, FALSE); + proto_tree_add_item(st, hf_set_path_flags_1, next_tvb, offset, 1, FALSE); + offset++; + + proto_tree_add_item(st, hf_constants, next_tvb, offset, 1, FALSE); + offset++; + break; + + case 1: /* disconnect */ + case 127: /* abort */ + break; + + default: + { + guint8 response_opcode = last_opcode[(pinfo->p2p_dir + 1) & 0x01]; + + if( response_opcode == 0 ) /* connect response */ + { + proto_tree_add_item(st, hf_version, next_tvb, offset, 1, FALSE); + offset++; + + proto_tree_add_item(st, hf_flags, next_tvb, offset, 1, FALSE); + offset++; + + proto_tree_add_item(st, hf_max_pkt_len, next_tvb, offset, 2, FALSE); + offset += 2; + + pinfo->private_data = &proto_btobex; + } + + } + break; + } + + offset = dissect_headers(st, next_tvb, offset, pinfo); + } + else + { + /* packet fragment */ + if (check_col(pinfo->cinfo, COL_INFO)) { + col_add_fstr(pinfo->cinfo, COL_INFO, "%s Obex fragment", + pinfo->p2p_dir==P2P_DIR_SENT?"Sent":"Rcvd"); + } + + call_dissector(data_handle, next_tvb, pinfo, tree); + } + + pinfo->fragmented = save_fragmented; +} + + +void +proto_register_btobex(void) +{ + static hf_register_info hf[] = { + {&hf_opcode, + {"Opcode", "btobex.opcode", + FT_UINT8, BASE_HEX, VALS(code_vals), 0x7F, + "Request Opcode", HFILL} + }, + {&hf_response_code, + {"Response Code", "btobex.resp_code", + FT_UINT8, BASE_HEX, VALS(code_vals), 0x7F, + "Response Code", HFILL} + }, + {&hf_final_flag, + {"Final Flag", "btobex.final_flag", + FT_BOOLEAN, BASE_HEX, TFS(&true_false), 0x80, + "Final Flag", HFILL} + }, + {&hf_length, + {"Packet Length", "btobex.pkt_len", + FT_UINT16, BASE_DEC, NULL, 0, + "Packet Length", HFILL} + }, + {&hf_version, + {"Version", "btobex.version", + FT_UINT8, BASE_HEX, VALS(version_vals), 0x00, + "Obex Version", HFILL} + }, + {&hf_flags, + {"Flags", "btobex.flags", + FT_UINT8, BASE_HEX, NULL, 0x00, + "Flags", HFILL} + }, + {&hf_constants, + {"Constants", "btobex.constants", + FT_UINT8, BASE_HEX, NULL, 0x00, + "Constants", HFILL} + }, + {&hf_max_pkt_len, + {"Max. Packet Length", "btobex.max_pkt_len", + FT_UINT16, BASE_DEC, NULL, 0, + "Maximum Packet Length", HFILL} + }, + {&hf_set_path_flags_0, + {"Go back one folder (../) first", "btobex.set_path_flags_0", + FT_BOOLEAN, 8, TFS(&true_false), 0x01, + "Go back one folder (../) first", HFILL} + }, + {&hf_set_path_flags_1, + {"Do not create folder, if not existing", "btobex.set_path_flags_1", + FT_BOOLEAN, 8, TFS(&true_false), 0x02, + "Do not create folder, if not existing", HFILL} + }, + {&hf_hdr_id, + {"Header Id", "btobex.hdr_id", + FT_UINT8, BASE_HEX, VALS(header_id_vals), 0x00, + "Header Id", HFILL} + }, + {&hf_hdr_length, + {"Length", "btobex.pkt_hdr_len", + FT_UINT16, BASE_DEC, NULL, 0, + "Header Length", HFILL} + }, + {&hf_hdr_val_unicode, + { "Value", "btobex.pkt_hdr_val_uc", + FT_STRING, BASE_NONE, NULL, 0, + "Unicode Value", HFILL } + }, + {&hf_hdr_val_byte_seq, + {"Value", "btobex.hdr_val_byte_seq", + FT_BYTES, BASE_NONE, NULL, 0, + "Byte Value", HFILL} + }, + {&hf_hdr_val_byte, + {"Value", "btobex.hdr_val_byte", + FT_UINT8, BASE_HEX, NULL, 0, + "Byte Sequence Value", HFILL} + }, + {&hf_hdr_val_long, + {"Value", "btobex.hdr_val_long", + FT_UINT32, BASE_DEC, NULL, 0, + "4-byte Value", HFILL} + }, + {&hf_data, + {"Obex Data", "btobex.data", + FT_NONE, BASE_NONE, NULL, 0, + "Obex Data", HFILL} + }, + + /* for fragmentation */ + { &hf_btobex_fragment_overlap, + { "Fragment overlap", "btobex.fragment.overlap", FT_BOOLEAN, BASE_NONE, NULL, 0x0, + "Fragment overlaps with other fragments", HFILL }}, + + { &hf_btobex_fragment_overlap_conflict, + { "Conflicting data in fragment overlap", "btobex.fragment.overlap.conflict", FT_BOOLEAN, BASE_NONE, NULL, 0x0, + "Overlapping fragments contained conflicting data", HFILL }}, + + { &hf_btobex_fragment_multiple_tails, + { "Multiple tail fragments found", "btobex.fragment.multipletails", FT_BOOLEAN, BASE_NONE, NULL, 0x0, + "Several tails were found when defragmenting the packet", HFILL }}, + + { &hf_btobex_fragment_too_long_fragment, + { "Fragment too long", "btobex.fragment.toolongfragment", FT_BOOLEAN, BASE_NONE, NULL, 0x0, + "Fragment contained data past end of packet", HFILL }}, + + { &hf_btobex_fragment_error, + { "Defragmentation error", "btobex.fragment.error", FT_FRAMENUM, BASE_NONE, NULL, 0x0, + "Defragmentation error due to illegal fragments", HFILL }}, + + { &hf_btobex_fragment, + { "OBEX Fragment", "btobex.fragment", FT_FRAMENUM, BASE_NONE, NULL, 0x0, + "btobex Fragment", HFILL }}, + + { &hf_btobex_fragments, + { "OBEX Fragments", "btobex.fragments", FT_NONE, BASE_NONE, NULL, 0x0, + "btobex Fragments", HFILL }}, + + { &hf_btobex_reassembled_in, + { "Reassembled OBEX in frame", "btobex.reassembled_in", FT_FRAMENUM, BASE_NONE, NULL, 0x0, + "This OBEX frame is reassembled in this frame", HFILL }}, + + { &hf_btobex_reassembled_length, + { "Reassembled OBEX length", "btobex.reassembled.length", FT_UINT32, BASE_DEC, NULL, 0x0, + "The total length of the reassembled payload", HFILL }} + }; + + /* Setup protocol subtree array */ + static gint *ett[] = { + &ett_btobex, + &ett_btobex_hdrs, + &ett_btobex_hdr, + &ett_btobex_fragment, + &ett_btobex_fragments + }; + + proto_btobex = proto_register_protocol("Bluetooth OBEX", "OBEX", "btobex"); + + register_dissector("btobex", dissect_btobex, proto_btobex); + + /* Required function calls to register the header fields and subtrees used */ + proto_register_field_array(proto_btobex, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + defragment_init(); +} + +void +proto_reg_handoff_btobex(void) +{ + xml_handle = find_dissector("xml"); + data_handle = find_dissector("data"); +} +