/* packet-atalk.c * Routines for AppleTalk packet disassembly: LLAP, DDP, NBP, ATP, ASP, * RTMP. * * $Id: packet-atalk.c,v 1.96 2004/02/25 09:31:05 guy Exp $ * * Simon Wilkinson * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 * * 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 "etypes.h" #include "ppptypes.h" #include "aftypes.h" #include "arcnet_pids.h" #include #include #include "prefs.h" #include "reassemble.h" #include "packet-afp.h" /* Tables for reassembly of fragments. */ static GHashTable *atp_fragment_table = NULL; static GHashTable *atp_reassembled_table = NULL; /* desegmentation of ATP */ static gboolean atp_defragment = TRUE; static dissector_handle_t afp_handle; static int proto_llap = -1; static int hf_llap_dst = -1; static int hf_llap_src = -1; static int hf_llap_type = -1; static int proto_ddp = -1; static int hf_ddp_hopcount = -1; static int hf_ddp_len = -1; static int hf_ddp_checksum = -1; static int hf_ddp_dst = -1; static int hf_ddp_dst_net = -1; static int hf_ddp_src = -1; static int hf_ddp_src_net = -1; static int hf_ddp_dst_node = -1; static int hf_ddp_src_node = -1; static int hf_ddp_dst_socket = -1; static int hf_ddp_src_socket = -1; static int hf_ddp_type = -1; static dissector_handle_t ddp_handle; /* -------------------------------------- * ATP protocol parameters * from netatalk/include/atalk/atp.h */ #define ATP_MAXDATA (578+4) /* maximum ATP data size */ #define ATP_BUFSIZ 587 /* maximum packet size */ #define ATP_HDRSIZE 5 /* includes DDP type field */ #define ATP_TRELMASK 0x07 /* mask all but TREL */ #define ATP_RELTIME 30 /* base release timer (in secs) */ #define ATP_TREL30 0x0 /* release time codes */ #define ATP_TREL1M 0x1 /* these are passed in flags of */ #define ATP_TREL2M 0x2 /* atp_sreq call, and set in the */ #define ATP_TREL4M 0x3 /* packet control info. */ #define ATP_TREL8M 0x4 /* flags for ATP options (and control byte) */ #define ATP_XO 0x20 /* (1<<5) eXactly Once mode */ #define ATP_EOM 0x10 /* (1<<4) End Of Message */ #define ATP_STS 0x08 /* (1<<3) Transaction Status */ /* function codes */ #define ATP_FUNCMASK (3<<6) /* mask all but function */ #define ATP_TREQ 1 /* (1<<6) Trans. REQuest */ #define ATP_TRESP 2 /* (2<<6) Trans. RESPonse */ #define ATP_TREL 3 /* (3<<6) Trans. RELease */ /* ------------------------- */ static dissector_handle_t asp_handle; static int proto_atp = -1; static int hf_atp_ctrlinfo = -1; /* guint8_t control information */ static int hf_atp_function = -1; /* bits 7,6 function */ static int hf_atp_xo = -1; /* bit 5 exactly-once */ static int hf_atp_eom = -1; /* bit 4 end-of-message */ static int hf_atp_sts = -1; /* bit 3 send transaction status */ static int hf_atp_treltimer = -1; /* bits 2,1,0 TRel timeout indicator */ static int hf_atp_bitmap = -1; /* guint8_t bitmap or sequence number */ static int hf_atp_tid = -1; /* guint16_t transaction id. */ static int hf_atp_user_bytes = -1; static int hf_atp_segments = -1; static int hf_atp_segment = -1; static int hf_atp_segment_overlap = -1; static int hf_atp_segment_overlap_conflict = -1; static int hf_atp_segment_multiple_tails = -1; static int hf_atp_segment_too_long_segment = -1; static int hf_atp_segment_error = -1; static int hf_atp_reassembled_in = -1; /* ------------------------- */ static int proto_zip = -1; static dissector_handle_t zip_atp_handle; static int hf_zip_function = -1; static int hf_zip_atp_function = -1; static int hf_zip_start_index = -1; static int hf_zip_count = -1; static int hf_zip_zero_value = -1; static int hf_zip_network_count = -1; static int hf_zip_network = -1; static int hf_zip_network_start = -1; static int hf_zip_network_end = -1; static int hf_zip_flags = -1; static int hf_zip_flags_zone_invalid = -1; static int hf_zip_flags_use_broadcast = -1; static int hf_zip_flags_only_one_zone = -1; static int hf_zip_last_flag = -1; static int hf_zip_zone_name = -1; static int hf_zip_default_zone = -1; static int hf_zip_multicast_length = -1; static int hf_zip_multicast_address = -1; static const value_string zip_function_vals[] = { {1, "Query"}, {2, "Reply"}, {5, "GetNetInfo request"}, {6, "GetNetInfo reply"}, {7, "notify"}, {8, "Extended reply"}, {0, NULL} }; static const value_string zip_atp_function_vals[] = { {7, "GetMyZone"}, {8, "GetZoneList"}, {9, "GetLocalZones"}, {0, NULL} }; static gint ett_zip = -1; static gint ett_zip_flags = -1; static gint ett_zip_zones_list = -1; static gint ett_zip_network_list = -1; /* -------------------------------- * from netatalk/include/atalk/ats.h */ #define ASPFUNC_CLOSE 1 #define ASPFUNC_CMD 2 #define ASPFUNC_STAT 3 #define ASPFUNC_OPEN 4 #define ASPFUNC_TICKLE 5 #define ASPFUNC_WRITE 6 #define ASPFUNC_WRTCONT 7 #define ASPFUNC_ATTN 8 #define ASP_HDRSIZ 4 #define ASPERR_OK 0x0000 #define ASPERR_BADVERS 0xfbd6 #define ASPERR_BUFSMALL 0xfbd5 #define ASPERR_NOSESS 0xfbd4 #define ASPERR_NOSERV 0xfbd3 #define ASPERR_PARM 0xfbd2 #define ASPERR_SERVBUSY 0xfbd1 #define ASPERR_SESSCLOS 0xfbd0 #define ASPERR_SIZERR 0xfbcf #define ASPERR_TOOMANY 0xfbce #define ASPERR_NOACK 0xfbcd static int proto_asp = -1; static int hf_asp_func = -1; static int hf_asp_error = -1; static int hf_asp_socket = -1; static int hf_asp_version = -1; static int hf_asp_session_id = -1; static int hf_asp_zero_value = -1; static int hf_asp_init_error = -1; static int hf_asp_attn_code = -1; static int hf_asp_seq = -1; static int hf_asp_size = -1; /* status stuff same for asp and afp */ static int hf_asp_server_name = -1; static int hf_asp_server_type = -1; static int hf_asp_server_vers = -1; static int hf_asp_server_uams = -1; static int hf_asp_server_icon = -1; static int hf_asp_server_directory = -1; static int hf_asp_server_flag = -1; static int hf_asp_server_flag_copyfile = -1; static int hf_asp_server_flag_passwd = -1; static int hf_asp_server_flag_no_save_passwd = -1; static int hf_asp_server_flag_srv_msg = -1; static int hf_asp_server_flag_srv_sig = -1; static int hf_asp_server_flag_tcpip = -1; static int hf_asp_server_flag_notify = -1; static int hf_asp_server_flag_reconnect = -1; static int hf_asp_server_flag_directory = -1; static int hf_asp_server_flag_utf8_name = -1; static int hf_asp_server_flag_fast_copy = -1; static int hf_asp_server_signature = -1; static int hf_asp_server_utf8_name_len = -1; static int hf_asp_server_utf8_name = -1; static int hf_asp_server_addr_len = -1; static int hf_asp_server_addr_type = -1; static int hf_asp_server_addr_value = -1; static gint ett_asp_status = -1; static gint ett_asp_uams = -1; static gint ett_asp_vers = -1; static gint ett_asp_addr = -1; static gint ett_asp_addr_line = -1; static gint ett_asp_directory = -1; static gint ett_asp_utf8_name = -1; static gint ett_asp_status_server_flag = -1; static guint asp_packet_init_count = 200; typedef struct { guint32 conversation; guint8 src[4]; guint16 seq; } asp_request_key; typedef struct { guint8 value; /* command for asp, bitmap for atp */ } asp_request_val; static GHashTable *asp_request_hash = NULL; static GMemChunk *asp_request_keys = NULL; static GMemChunk *asp_request_vals = NULL; /* Hash Functions */ static gint asp_equal (gconstpointer v, gconstpointer v2) { const asp_request_key *val1 = (const asp_request_key*)v; const asp_request_key *val2 = (const asp_request_key*)v2; if (val1->conversation == val2->conversation && val1->seq == val2->seq && !memcmp(val1->src, val2->src, 4)) { return 1; } return 0; } static guint asp_hash (gconstpointer v) { const asp_request_key *asp_key = (const asp_request_key*)v; return asp_key->seq; } /* ------------------------------------ */ static GHashTable *atp_request_hash = NULL; static GMemChunk *atp_request_keys = NULL; static GMemChunk *atp_request_vals = NULL; /* ------------------------------------ */ static int proto_nbp = -1; static int hf_nbp_op = -1; static int hf_nbp_info = -1; static int hf_nbp_count = -1; static int hf_nbp_tid = -1; static int hf_nbp_node_net = -1; static int hf_nbp_node_port = -1; static int hf_nbp_node_node = -1; static int hf_nbp_node_enum = -1; static int hf_nbp_node_object = -1; static int hf_nbp_node_type = -1; static int hf_nbp_node_zone = -1; static int proto_rtmp = -1; static int hf_rtmp_net = -1; static int hf_rtmp_node_len = -1; static int hf_rtmp_node = -1; static int hf_rtmp_tuple_net = -1; static int hf_rtmp_tuple_range_start = -1; static int hf_rtmp_tuple_range_end = -1; static int hf_rtmp_tuple_dist = -1; static int hf_rtmp_function = -1; static gint ett_atp = -1; static gint ett_atp_segments = -1; static gint ett_atp_segment = -1; static gint ett_atp_info = -1; static gint ett_asp = -1; static gint ett_nbp = -1; static gint ett_nbp_info = -1; static gint ett_nbp_node = -1; static gint ett_rtmp = -1; static gint ett_rtmp_tuple = -1; static gint ett_ddp = -1; static gint ett_llap = -1; static gint ett_pstring = -1; static const fragment_items atp_frag_items = { &ett_atp_segment, &ett_atp_segments, &hf_atp_segments, &hf_atp_segment, &hf_atp_segment_overlap, &hf_atp_segment_overlap_conflict, &hf_atp_segment_multiple_tails, &hf_atp_segment_too_long_segment, &hf_atp_segment_error, &hf_atp_reassembled_in, "segments" }; static dissector_table_t ddp_dissector_table; static dissector_handle_t data_handle; #define DDP_SHORT_HEADER_SIZE 5 /* * P = Padding, H = Hops, L = Len * * PPHHHHLL LLLLLLLL * * Assumes the argument is in host byte order. */ #define ddp_hops(x) ( ( x >> 10) & 0x3C ) #define ddp_len(x) ( x & 0x03ff ) typedef struct _e_ddp { guint16 hops_len; /* combines pad, hops, and len */ guint16 sum,dnet,snet; guint8 dnode,snode; guint8 dport,sport; guint8 type; } e_ddp; #define DDP_HEADER_SIZE 13 static const value_string op_vals[] = { {DDP_RTMPDATA, "AppleTalk Routing Table response or data" }, {DDP_NBP, "AppleTalk Name Binding Protocol packet"}, {DDP_ATP, "AppleTalk Transaction Protocol packet"}, {DDP_AEP, "AppleTalk Echo Protocol packet"}, {DDP_RTMPREQ, "AppleTalk Routing Table request"}, {DDP_ZIP, "AppleTalk Zone Information Protocol packet"}, {DDP_ADSP, "AppleTalk Data Stream Protocol"}, {DDP_EIGRP, "Cisco EIGRP for AppleTalk"}, {0, NULL} }; static const value_string rtmp_function_vals[] = { {1, "Request"}, {2, "Route Data Request (split horizon processed)"}, {3, "Route Data Request (no split horizon processing)"}, {0, NULL} }; #define NBP_BROADCAST 1 #define NBP_LOOKUP 2 #define NBP_FORWARD 4 #define NBP_REPLY 3 static const value_string nbp_op_vals[] = { {NBP_BROADCAST, "broadcast request"}, {NBP_LOOKUP, "lookup"}, {NBP_FORWARD, "forward request"}, {NBP_REPLY, "reply"}, {0, NULL} }; static const value_string atp_function_vals[] = { {ATP_TREQ ,"REQuest"}, {ATP_TRESP ,"RESPonse"}, {ATP_TREL ,"RELease"}, {0, NULL} }; static const value_string atp_trel_timer_vals[] = { {0, "30 seconds"}, {1, "1 minute"}, {2, "2 minutes"}, {3, "4 minutes"}, {4, "8 minutes"}, {0, NULL} }; /* */ static const value_string asp_func_vals[] = { {ASPFUNC_CLOSE, "CloseSession" }, {ASPFUNC_CMD, "Command" }, {ASPFUNC_STAT, "GetStatus" }, {ASPFUNC_OPEN, "OpenSession" }, {ASPFUNC_TICKLE, "Tickle" }, {ASPFUNC_WRITE, "Write" }, {ASPFUNC_WRTCONT, "Write Cont" }, {ASPFUNC_ATTN, "Attention" }, {0, NULL } }; const value_string asp_error_vals[] = { {AFP_OK , "success"}, {AFPERR_ACCESS , "permission denied" }, {AFPERR_AUTHCONT , "logincont" }, {AFPERR_BADUAM , "uam doesn't exist" }, {AFPERR_BADVERS , "bad afp version number" }, {AFPERR_BITMAP , "invalid bitmap" }, {AFPERR_CANTMOVE , "can't move file" }, {AFPERR_DENYCONF , "file synchronization locks conflict" }, {AFPERR_DIRNEMPT , "directory not empty" }, {AFPERR_DFULL , "disk full" }, {AFPERR_EOF , "end of file" }, {AFPERR_BUSY , "FileBusy" }, {AFPERR_FLATVOL , "volume doesn't support directories" }, {AFPERR_NOITEM , "ItemNotFound" }, {AFPERR_LOCK , "LockErr" }, {AFPERR_MISC , "misc. err" }, {AFPERR_NLOCK , "no more locks" }, {AFPERR_NOSRVR , "no response by server at that address" }, {AFPERR_EXIST , "object already exists" }, {AFPERR_NOOBJ , "object not found" }, {AFPERR_PARAM , "parameter error" }, {AFPERR_NORANGE , "no range lock" }, {AFPERR_RANGEOVR , "range overlap" }, {AFPERR_SESSCLOS , "session closed" }, {AFPERR_NOTAUTH , "user not authenticated" }, {AFPERR_NOOP , "command not supported" }, {AFPERR_BADTYPE , "object is the wrong type" }, {AFPERR_NFILE , "too many files open" }, {AFPERR_SHUTDOWN , "server is going down" }, {AFPERR_NORENAME , "can't rename" }, {AFPERR_NODIR , "couldn't find directory" }, {AFPERR_ITYPE , "wrong icon type" }, {AFPERR_VLOCK , "volume locked" }, {AFPERR_OLOCK , "object locked" }, {AFPERR_CTNSHRD , "share point contains a share point" }, {AFPERR_NOID , "file thread not found" }, {AFPERR_EXISTID , "file already has an id" }, {AFPERR_DIFFVOL , "different volume" }, {AFPERR_CATCHNG , "catalog has changed" }, {AFPERR_SAMEOBJ , "source file == destination file" }, {AFPERR_BADID , "non-existent file id" }, {AFPERR_PWDSAME , "same password/can't change password" }, {AFPERR_PWDSHORT , "password too short" }, {AFPERR_PWDEXPR , "password expired" }, {AFPERR_INSHRD , "folder being shared is inside a shared folder." }, {AFPERR_INTRASH , "shared folder in trash." }, {AFPERR_PWDCHNG , "password needs to be changed" }, {AFPERR_PWDPOLCY , "password fails policy check" }, {AFPERR_USRLOGIN , "user already logged on" }, {0, NULL } }; /* * XXX - do this with an FT_UINT_STRING? * Unfortunately, you can't extract from an FT_UINT_STRING the string, * which we'd want to do in order to put it into the "Data:" portion. * * Are these always in the Mac extended character set? */ static int dissect_pascal_string(tvbuff_t *tvb, int offset, proto_tree *tree, int hf_index) { int len; len = tvb_get_guint8(tvb, offset); offset++; if ( tree ) { char *tmp; proto_tree *item; proto_tree *subtree; /* * XXX - if we could do this inside the protocol tree * code, we could perhaps avoid allocating and freeing * this string buffer. */ tmp = tvb_get_string(tvb, offset, len); item = proto_tree_add_string(tree, hf_index, tvb, offset-1, len+1, tmp); subtree = proto_item_add_subtree(item, ett_pstring); proto_tree_add_text(subtree, tvb, offset-1, 1, "Length: %d", len); proto_tree_add_text(subtree, tvb, offset, len, "Data: %s", tmp); g_free(tmp); } offset += len; return offset; } static void dissect_rtmp_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_tree *rtmp_tree; proto_item *ti; guint8 function; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "RTMP"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); function = tvb_get_guint8(tvb, 0); if (check_col(pinfo->cinfo, COL_INFO)) col_add_fstr(pinfo->cinfo, COL_INFO, "%s", val_to_str(function, rtmp_function_vals, "Unknown function (%02x)")); if (tree) { ti = proto_tree_add_item(tree, proto_rtmp, tvb, 0, 1, FALSE); rtmp_tree = proto_item_add_subtree(ti, ett_rtmp); proto_tree_add_uint(rtmp_tree, hf_rtmp_function, tvb, 0, 1, function); } } static void dissect_rtmp_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_tree *rtmp_tree; proto_item *ti; int offset = 0; guint16 net; guint8 nodelen,nodelen_bits; guint16 node; /* might be more than 8 bits */ int i; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "RTMP"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); net = tvb_get_ntohs(tvb, offset); nodelen_bits = tvb_get_guint8(tvb, offset+2); if ( nodelen_bits <= 8 ) { node = tvb_get_guint8(tvb, offset)+1; nodelen = 1; } else { node = tvb_get_ntohs(tvb, offset); nodelen = 2; } if (check_col(pinfo->cinfo, COL_INFO)) col_add_fstr(pinfo->cinfo, COL_INFO, "Net: %u Node Len: %u Node: %u", net, nodelen_bits, node); if (tree) { ti = proto_tree_add_item(tree, proto_rtmp, tvb, offset, -1, FALSE); rtmp_tree = proto_item_add_subtree(ti, ett_rtmp); proto_tree_add_uint(rtmp_tree, hf_rtmp_net, tvb, offset, 2, net); proto_tree_add_uint(rtmp_tree, hf_rtmp_node_len, tvb, offset+2, 1, nodelen_bits); proto_tree_add_uint(rtmp_tree, hf_rtmp_node, tvb, offset+3, nodelen, node); offset += 3 + nodelen; i = 1; while (tvb_offset_exists(tvb, offset)) { proto_tree *tuple_item, *tuple_tree; guint16 tuple_net; guint8 tuple_dist; guint16 tuple_range_end; tuple_net = tvb_get_ntohs(tvb, offset); tuple_dist = tvb_get_guint8(tvb, offset+2); if (tuple_dist & 0x80) { tuple_range_end = tvb_get_ntohs(tvb, offset+3); tuple_item = proto_tree_add_text(rtmp_tree, tvb, offset, 6, "Tuple %d: Range Start: %u Dist: %u Range End: %u", i, tuple_net, tuple_dist&0x7F, tuple_range_end); } else { tuple_item = proto_tree_add_text(rtmp_tree, tvb, offset, 3, "Tuple %d: Net: %u Dist: %u", i, tuple_net, tuple_dist); } tuple_tree = proto_item_add_subtree(tuple_item, ett_rtmp_tuple); if (tuple_dist & 0x80) { proto_tree_add_uint(tuple_tree, hf_rtmp_tuple_range_start, tvb, offset, 2, tuple_net); } else { proto_tree_add_uint(tuple_tree, hf_rtmp_tuple_net, tvb, offset, 2, tuple_net); } proto_tree_add_uint(tuple_tree, hf_rtmp_tuple_dist, tvb, offset+2, 1, tuple_dist & 0x7F); if (tuple_dist & 0x80) { /* * Extended network tuple. */ proto_tree_add_item(tuple_tree, hf_rtmp_tuple_range_end, tvb, offset+3, 2, FALSE); offset += 6; } else offset += 3; i++; } } } static void dissect_nbp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_tree *nbp_tree; proto_tree *nbp_info_tree; proto_item *ti, *info_item; int offset = 0; guint8 info; guint op, count; unsigned int i; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "NBP"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); info = tvb_get_guint8(tvb, offset); op = info >> 4; count = info & 0x0F; if (check_col(pinfo->cinfo, COL_INFO)) col_add_fstr(pinfo->cinfo, COL_INFO, "Op: %s Count: %u", val_to_str(op, nbp_op_vals, "Unknown (0x%01x)"), count); if (tree) { ti = proto_tree_add_item(tree, proto_nbp, tvb, offset, -1, FALSE); nbp_tree = proto_item_add_subtree(ti, ett_nbp); info_item = proto_tree_add_uint_format(nbp_tree, hf_nbp_info, tvb, offset, 1, info, "Info: 0x%01X Operation: %s Count: %u", info, val_to_str(op, nbp_op_vals, "Unknown (0x%01X)"), count); nbp_info_tree = proto_item_add_subtree(info_item, ett_nbp_info); proto_tree_add_uint(nbp_info_tree, hf_nbp_op, tvb, offset, 1, info); proto_tree_add_uint(nbp_info_tree, hf_nbp_count, tvb, offset, 1, info); proto_tree_add_item(nbp_tree, hf_nbp_tid, tvb, offset+1, 1, FALSE); offset += 2; for (i=0; icinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "ATP"); ctrlinfo = tvb_get_guint8(tvb, offset); bitmap = tvb_get_guint8(tvb, offset +1); tid = tvb_get_ntohs(tvb, offset +2); t = bitmap; while(t) { nbe++; t >>= 1; } op = ctrlinfo >> 6; aspinfo.reply = (0x80 == (ctrlinfo & ATP_FUNCMASK))?1:0; aspinfo.release = (0xC0 == (ctrlinfo & ATP_FUNCMASK))?1:0; aspinfo.seq = tid; aspinfo.code = 0; query = (!aspinfo.reply && !aspinfo.release); conversation = find_conversation(&pinfo->src, &pinfo->dst, pinfo->ptype, pinfo->srcport, pinfo->destport, 0); if (conversation == NULL) { conversation = conversation_new(&pinfo->src, &pinfo->dst, pinfo->ptype, pinfo->srcport, pinfo->destport, 0); } request_key.conversation = conversation->index; memcpy(request_key.src, (!aspinfo.reply)?pinfo->src.data:pinfo->dst.data, 4); request_key.seq = aspinfo.seq; request_val = (asp_request_val *) g_hash_table_lookup(atp_request_hash, &request_key); if (!request_val && query ) { new_request_key = g_mem_chunk_alloc(atp_request_keys); *new_request_key = request_key; request_val = g_mem_chunk_alloc(atp_request_vals); request_val->value = nbe; g_hash_table_insert(atp_request_hash, new_request_key,request_val); } /* ATP_EOM is not mandatory. Some implementations don't always set it if the query is only one packet. So it needs to keep the number of packets asked in request. */ if (aspinfo.reply) { more_fragment = !((ATP_EOM & ctrlinfo) || (request_val && 1 == request_val->value)); frag_number = bitmap; } if (check_col(pinfo->cinfo, COL_INFO)) { col_clear(pinfo->cinfo, COL_INFO); col_add_fstr(pinfo->cinfo, COL_INFO, "%s transaction %u", val_to_str(op, atp_function_vals, "Unknown (0x%01x)"),tid); if (more_fragment) col_append_fstr(pinfo->cinfo, COL_INFO, " [fragment]"); } if (tree) { ti = proto_tree_add_item(tree, proto_atp, tvb, offset, -1, FALSE); atp_tree = proto_item_add_subtree(ti, ett_atp); proto_item_set_len(atp_tree, aspinfo.release?8:ATP_HDRSIZE -1); info_item = proto_tree_add_item(atp_tree, hf_atp_ctrlinfo, tvb, offset, 1, FALSE); atp_info_tree = proto_item_add_subtree(info_item, ett_atp_info); proto_tree_add_item(atp_info_tree, hf_atp_function, tvb, offset, 1, FALSE); proto_tree_add_item(atp_info_tree, hf_atp_xo, tvb, offset, 1, FALSE); proto_tree_add_item(atp_info_tree, hf_atp_eom, tvb, offset, 1, FALSE); proto_tree_add_item(atp_info_tree, hf_atp_sts, tvb, offset, 1, FALSE); if ((ctrlinfo & (ATP_FUNCMASK|ATP_XO)) == (0x40|ATP_XO)) { /* TReq with XO set */ proto_tree_add_item(atp_info_tree, hf_atp_treltimer, tvb, offset, 1, FALSE); } if (query) { proto_tree_add_text(atp_tree, tvb, offset +1, 1, "Bitmap: 0x%02x %u packet(s) max", bitmap, nbe); } else { proto_tree_add_item(atp_tree, hf_atp_bitmap, tvb, offset +1, 1, FALSE); } proto_tree_add_item(atp_tree, hf_atp_tid, tvb, offset +2, 2, FALSE); if (aspinfo.release) proto_tree_add_item(atp_tree, hf_atp_user_bytes, tvb, offset +4, 4, FALSE); } if (aspinfo.release) return; save_fragmented = pinfo->fragmented; /* FIXME asp doesn't fit very well here move asp back in atp? */ if (atp_defragment && aspinfo.reply && (more_fragment || frag_number != 0)) { fragment_data *fd_head; int hdr; hdr = ATP_HDRSIZE -1; if (frag_number != 0) hdr += 4; /* asp header */ len = tvb_reported_length_remaining(tvb, hdr); fd_head = fragment_add_seq_check(tvb, hdr, pinfo, tid, atp_fragment_table, atp_reassembled_table, frag_number, len, more_fragment); new_tvb = process_reassembled_data(tvb, ATP_HDRSIZE -1, pinfo, "Reassembled ATP", fd_head, &atp_frag_items, NULL, atp_tree); } else { /* full packet */ new_tvb = tvb_new_subset(tvb, ATP_HDRSIZE -1, -1,- 1); } if (new_tvb) { pinfo->private_data = &aspinfo; /* if port == 6 it's not an ASP packet but a ZIP packet */ if (pinfo->srcport == 6 || pinfo->destport == 6 ) call_dissector(zip_atp_handle, new_tvb, pinfo, tree); else call_dissector(asp_handle, new_tvb, pinfo, tree); } else { /* Just show this as a fragment. */ new_tvb = tvb_new_subset (tvb, ATP_HDRSIZE -1, -1, -1); call_dissector(data_handle, new_tvb, pinfo, tree); } pinfo->fragmented = save_fragmented; return; } /* copy and paste from dsi XXX - is the format of this reply dependent on the type of server, with this format being the format for AFP servers? */ static gint dissect_asp_reply_get_status(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, gint offset) { proto_tree *sub_tree; proto_item *ti; guint16 ofs; guint16 flag; guint16 machine_ofs; guint16 sign_ofs = 0; guint16 adr_ofs = 0; guint16 dir_ofs = 0; guint16 utf_ofs = 0; guint8 nbe; guint8 len; guint8 i; if (!tree) return offset; ti = proto_tree_add_text(tree, tvb, offset, -1, "Get Status"); tree = proto_item_add_subtree(ti, ett_asp_status); machine_ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_MACHOFF); proto_tree_add_text(tree, tvb, offset +AFPSTATUS_MACHOFF, 2, "Machine offset: %u", machine_ofs); if (machine_ofs) machine_ofs += offset; ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_VERSOFF); proto_tree_add_text(tree, tvb, offset +AFPSTATUS_VERSOFF, 2, "Version offset: %u", ofs); ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_UAMSOFF); proto_tree_add_text(tree, tvb, offset +AFPSTATUS_UAMSOFF, 2, "UAMS offset: %u", ofs); ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_ICONOFF); proto_tree_add_text(tree, tvb, offset +AFPSTATUS_ICONOFF, 2, "Icon offset: %u", ofs); ofs = offset +AFPSTATUS_FLAGOFF; ti = proto_tree_add_item(tree, hf_asp_server_flag, tvb, ofs, 2, FALSE); sub_tree = proto_item_add_subtree(ti, ett_asp_status_server_flag); proto_tree_add_item(sub_tree, hf_asp_server_flag_copyfile , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_asp_server_flag_passwd , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_asp_server_flag_no_save_passwd, tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_asp_server_flag_srv_msg , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_asp_server_flag_srv_sig , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_asp_server_flag_tcpip , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_asp_server_flag_notify , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_asp_server_flag_reconnect , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_asp_server_flag_directory , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_asp_server_flag_utf8_name , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_asp_server_flag_fast_copy , tvb, ofs, 2, FALSE); proto_tree_add_item(tree, hf_asp_server_name, tvb, offset +AFPSTATUS_PRELEN, 1, FALSE); flag = tvb_get_ntohs(tvb, ofs); if ((flag & AFPSRVRINFO_SRVSIGNATURE)) { ofs = offset +AFPSTATUS_PRELEN +tvb_get_guint8(tvb, offset +AFPSTATUS_PRELEN) +1; if ((ofs & 1)) ofs++; sign_ofs = tvb_get_ntohs(tvb, ofs); proto_tree_add_text(tree, tvb, ofs, 2, "Signature offset: %u", sign_ofs); sign_ofs += offset; ofs += 2; if ((flag & AFPSRVRINFO_TCPIP) && ofs < machine_ofs ) { adr_ofs = tvb_get_ntohs(tvb, ofs); proto_tree_add_text(tree, tvb, ofs, 2, "Network address offset: %u", adr_ofs); adr_ofs += offset; ofs += 2; } if ((flag & AFPSRVRINFO_SRVDIRECTORY) && ofs < machine_ofs) { dir_ofs = tvb_get_ntohs(tvb, ofs); proto_tree_add_text(tree, tvb, ofs, 2, "Directory services offset: %u", dir_ofs); dir_ofs += offset; ofs += 2; } if ((flag & AFPSRVRINFO_SRVUTF8) && ofs < machine_ofs) { utf_ofs = tvb_get_ntohs(tvb, ofs); proto_tree_add_text(tree, tvb, ofs, 2, "UTF-8 Server name offset: %u", utf_ofs); utf_ofs += offset; } } if (machine_ofs) proto_tree_add_item(tree, hf_asp_server_type, tvb, machine_ofs, 1, FALSE); ofs = offset +tvb_get_ntohs(tvb, offset +AFPSTATUS_VERSOFF); if (ofs) { nbe = tvb_get_guint8(tvb, ofs); ti = proto_tree_add_text(tree, tvb, ofs, 1, "Version list: %u", nbe); ofs++; sub_tree = proto_item_add_subtree(ti, ett_asp_vers); for (i = 0; i < nbe; i++) { len = tvb_get_guint8(tvb, ofs); proto_tree_add_item(sub_tree, hf_asp_server_vers, tvb, ofs, 1, FALSE); ofs += len + 1; } } ofs = offset +tvb_get_ntohs(tvb, offset +AFPSTATUS_UAMSOFF); if (ofs) { nbe = tvb_get_guint8(tvb, ofs); ti = proto_tree_add_text(tree, tvb, ofs, 1, "UAMS list: %u", nbe); ofs++; sub_tree = proto_item_add_subtree(ti, ett_asp_uams); for (i = 0; i < nbe; i++) { len = tvb_get_guint8(tvb, ofs); proto_tree_add_item(sub_tree, hf_asp_server_uams, tvb, ofs, 1, FALSE); ofs += len + 1; } } ofs = offset +tvb_get_ntohs(tvb, offset +AFPSTATUS_ICONOFF); if (ofs) proto_tree_add_item(tree, hf_asp_server_icon, tvb, ofs, 256, FALSE); if (sign_ofs) { proto_tree_add_item(tree, hf_asp_server_signature, tvb, sign_ofs, 16, FALSE); } if (adr_ofs) { proto_tree *adr_tree; char *tmp; const guint8 *ip; guint16 net; guint8 node; guint16 port; ofs = adr_ofs; nbe = tvb_get_guint8(tvb, ofs); ti = proto_tree_add_text(tree, tvb, ofs, 1, "Address list: %u", nbe); ofs++; adr_tree = proto_item_add_subtree(ti, ett_asp_addr); for (i = 0; i < nbe; i++) { guint8 type; len = tvb_get_guint8(tvb, ofs); type = tvb_get_guint8(tvb, ofs +1); switch (type) { case 1: /* IP */ ip = tvb_get_ptr(tvb, ofs+2, 4); ti = proto_tree_add_text(adr_tree, tvb, ofs, len, "ip %s", ip_to_str(ip)); break; case 2: /* IP + port */ ip = tvb_get_ptr(tvb, ofs+2, 4); port = tvb_get_ntohs(tvb, ofs+6); ti = proto_tree_add_text(adr_tree, tvb, ofs, len, "ip %s:%u",ip_to_str(ip),port); break; case 3: /* DDP, atalk_addr_to_str want host order not network */ net = tvb_get_ntohs(tvb, ofs+2); node = tvb_get_guint8(tvb, ofs +4); port = tvb_get_guint8(tvb, ofs +5); ti = proto_tree_add_text(adr_tree, tvb, ofs, len, "ddp %u.%u:%u", net, node, port); break; case 5: /* IP + port ssh tunnel */ ip = tvb_get_ptr(tvb, ofs+2, 4); port = tvb_get_ntohs(tvb, ofs+6); ti = proto_tree_add_text(adr_tree, tvb, ofs, len, "ip (ssh tunnel) %s:%u",ip_to_str(ip),port); break; case 4: /* DNS */ if (len > 2) { tmp = tvb_get_string(tvb, ofs +2, len -2); ti = proto_tree_add_text(adr_tree, tvb, ofs, len, "dns %s", tmp); g_free(tmp); break; } /* else fall to default malformed record */ default: ti = proto_tree_add_text(adr_tree, tvb, ofs, len,"Unknow type : %u", type); break; } len -= 2; sub_tree = proto_item_add_subtree(ti,ett_asp_addr_line); proto_tree_add_item(sub_tree, hf_asp_server_addr_len, tvb, ofs, 1, FALSE); ofs++; proto_tree_add_item(sub_tree, hf_asp_server_addr_type, tvb, ofs, 1, FALSE); ofs++; proto_tree_add_item(sub_tree, hf_asp_server_addr_value,tvb, ofs, len, FALSE); ofs += len; } } if (dir_ofs) { ofs = dir_ofs; nbe = tvb_get_guint8(tvb, ofs); ti = proto_tree_add_text(tree, tvb, ofs, 1, "Directory services list: %u", nbe); ofs++; sub_tree = proto_item_add_subtree(ti, ett_asp_directory); for (i = 0; i < nbe; i++) { len = tvb_get_guint8(tvb, ofs); proto_tree_add_item(sub_tree, hf_asp_server_directory, tvb, ofs, 1, FALSE); ofs += len + 1; } } if (utf_ofs) { guint16 ulen; char *tmp; ofs = utf_ofs; ulen = tvb_get_ntohs(tvb, ofs); tmp = tvb_get_string(tvb, ofs + 2, ulen); ti = proto_tree_add_text(tree, tvb, ofs, ulen +2, "UTF8 server name: %s", tmp); sub_tree = proto_item_add_subtree(ti, ett_asp_utf8_name); proto_tree_add_uint(sub_tree, hf_asp_server_utf8_name_len, tvb, ofs, 2, ulen); ofs += 2; proto_tree_add_string(sub_tree, hf_asp_server_utf8_name, tvb, ofs, ulen, tmp); ofs += ulen; g_free(tmp); } /* FIXME: offset is not updated */ return offset; } /* ----------------------------- ASP protocol cf. inside appletalk chap. 11 */ static struct aspinfo * get_transaction(tvbuff_t *tvb, packet_info *pinfo) { struct aspinfo *aspinfo = pinfo->private_data; conversation_t *conversation; asp_request_key request_key, *new_request_key; asp_request_val *request_val; guint8 fn; conversation = find_conversation(&pinfo->src, &pinfo->dst, pinfo->ptype, pinfo->srcport, pinfo->destport, 0); if (conversation == NULL) { conversation = conversation_new(&pinfo->src, &pinfo->dst, pinfo->ptype, pinfo->srcport, pinfo->destport, 0); } request_key.conversation = conversation->index; memcpy(request_key.src, (!aspinfo->reply)?pinfo->src.data:pinfo->dst.data, 4); request_key.seq = aspinfo->seq; request_val = (asp_request_val *) g_hash_table_lookup( asp_request_hash, &request_key); if (!request_val && !aspinfo->reply ) { fn = tvb_get_guint8(tvb, 0); new_request_key = g_mem_chunk_alloc(asp_request_keys); *new_request_key = request_key; request_val = g_mem_chunk_alloc(asp_request_vals); request_val->value = fn; g_hash_table_insert(asp_request_hash, new_request_key, request_val); } if (!request_val) return NULL; aspinfo->command = request_val->value; return aspinfo; } static void dissect_asp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { struct aspinfo *aspinfo; int offset = 0; proto_tree *asp_tree = NULL; proto_item *ti; guint8 fn; int len; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "ASP"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); aspinfo = get_transaction(tvb, pinfo); if (!aspinfo) return; fn = (guint8) aspinfo->command; if (check_col(pinfo->cinfo, COL_INFO)) { if (aspinfo->reply) col_add_fstr(pinfo->cinfo, COL_INFO, "Reply tid %u",aspinfo->seq); else col_add_fstr(pinfo->cinfo, COL_INFO, "Function: %s tid %u", val_to_str(fn, asp_func_vals, "Unknown (0x%01x)"), aspinfo->seq); } if (tree) { ti = proto_tree_add_item(tree, proto_asp, tvb, offset, -1, FALSE); asp_tree = proto_item_add_subtree(ti, ett_asp); } if (!aspinfo->reply) { tvbuff_t *new_tvb; /* let the called deal with asp_tree == NULL */ proto_tree_add_item(asp_tree, hf_asp_func, tvb, offset, 1, FALSE); offset++; switch(fn) { case ASPFUNC_OPEN: proto_tree_add_item(asp_tree, hf_asp_socket, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(asp_tree, hf_asp_version, tvb, offset, 2, FALSE); offset += 2; break; case ASPFUNC_TICKLE: case ASPFUNC_CLOSE: proto_tree_add_item(asp_tree, hf_asp_session_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(asp_tree, hf_asp_zero_value, tvb, offset, 2, FALSE); offset +=2; break; case ASPFUNC_STAT: proto_tree_add_item(asp_tree, hf_asp_zero_value, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(asp_tree, hf_asp_zero_value, tvb, offset, 2, FALSE); offset += 2; break; case ASPFUNC_ATTN: proto_tree_add_item(asp_tree, hf_asp_session_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(asp_tree, hf_asp_attn_code, tvb, offset, 2, FALSE); offset +=2; break; case ASPFUNC_CMD: case ASPFUNC_WRITE: proto_item_set_len(asp_tree, 4); proto_tree_add_item(asp_tree, hf_asp_session_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(asp_tree, hf_asp_seq, tvb, offset, 2, FALSE); offset += 2; len = tvb_reported_length_remaining(tvb,offset); new_tvb = tvb_new_subset(tvb, offset,-1,len); call_dissector(afp_handle, new_tvb, pinfo, tree); break; case ASPFUNC_WRTCONT: proto_tree_add_item(asp_tree, hf_asp_session_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(asp_tree, hf_asp_seq, tvb, offset, 2, FALSE); offset += 2; proto_tree_add_item(asp_tree, hf_asp_size, tvb, offset, 2, FALSE); offset += 2; break; default: proto_item_set_len(asp_tree, 4); offset += 3; len = tvb_reported_length_remaining(tvb,offset); call_dissector(data_handle,tvb_new_subset(tvb, offset,-1,len), pinfo, tree); break; } } else { tvbuff_t *new_tvb; proto_tree_add_uint(asp_tree, hf_asp_func, tvb, 0, 0, fn); switch(fn) { case ASPFUNC_OPEN: proto_tree_add_item(asp_tree, hf_asp_socket, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(asp_tree, hf_asp_session_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(asp_tree, hf_asp_init_error, tvb, offset, 2, FALSE); offset += 2; break; case ASPFUNC_CLOSE: proto_tree_add_item(asp_tree, hf_asp_zero_value, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(asp_tree, hf_asp_zero_value, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(asp_tree, hf_asp_zero_value, tvb, offset, 2, FALSE); offset += 2; break; case ASPFUNC_STAT: proto_tree_add_item(asp_tree, hf_asp_zero_value, tvb, offset, 4, FALSE); offset += 4; dissect_asp_reply_get_status(tvb, pinfo, asp_tree, offset); break; case ASPFUNC_CMD: case ASPFUNC_WRITE: proto_item_set_len(asp_tree, 4); aspinfo->code = tvb_get_ntohl(tvb, offset); proto_tree_add_item(asp_tree, hf_asp_error, tvb, offset, 4, FALSE); offset += 4; len = tvb_reported_length_remaining(tvb,offset); new_tvb = tvb_new_subset(tvb, offset,-1,len); call_dissector(afp_handle, new_tvb, pinfo, tree); break; case ASPFUNC_TICKLE: case ASPFUNC_WRTCONT: proto_tree_add_item(asp_tree, hf_asp_zero_value, tvb, offset, 4, FALSE); /* fall */ case ASPFUNC_ATTN: /* FIXME capture and spec disagree */ default: proto_item_set_len(asp_tree, 4); offset += 4; len = tvb_reported_length_remaining(tvb,offset); call_dissector(data_handle,tvb_new_subset(tvb, offset,-1,len), pinfo, tree); break; } } } /* ----------------------------- ZIP protocol cf. inside appletalk chap. 8 */ static void dissect_atp_zip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { struct aspinfo *aspinfo; int offset = 0; proto_tree *zip_tree; proto_tree *sub_tree; proto_item *ti; guint8 fn; guint16 count; guint8 len; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "ZIP"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); aspinfo = get_transaction(tvb, pinfo); if (!aspinfo) return; fn = (guint8) aspinfo->command; if (check_col(pinfo->cinfo, COL_INFO)) { if (aspinfo->reply) col_add_fstr(pinfo->cinfo, COL_INFO, "Reply tid %u",aspinfo->seq); else col_add_fstr(pinfo->cinfo, COL_INFO, "Function: %s tid %u", val_to_str(fn, zip_atp_function_vals, "Unknown (0x%01x)"), aspinfo->seq); } if (!tree) return; ti = proto_tree_add_item(tree, proto_zip, tvb, offset, -1, FALSE); zip_tree = proto_item_add_subtree(ti, ett_zip); if (!aspinfo->reply) { proto_tree_add_item(zip_tree, hf_zip_atp_function, tvb, offset, 1, FALSE); offset++; switch(fn) { case 7: /* start_index = 0 */ case 8: case 9: proto_tree_add_item(zip_tree, hf_zip_zero_value, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(zip_tree, hf_zip_start_index, tvb, offset, 2, FALSE); break; } } else { guint8 i; proto_tree_add_uint(zip_tree, hf_zip_atp_function, tvb, 0, 0, fn); switch(fn) { case 7: case 8: case 9: proto_tree_add_item(zip_tree, hf_zip_last_flag, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(zip_tree, hf_zip_zero_value, tvb, offset, 1, FALSE); offset++; count = tvb_get_ntohs(tvb, offset); ti = proto_tree_add_item(zip_tree, hf_zip_count, tvb, offset, 2, FALSE); offset += 2; sub_tree = proto_item_add_subtree(ti, ett_zip_zones_list); for (i= 1; i <= count; i++) { len = tvb_get_guint8(tvb, offset); proto_tree_add_item(sub_tree, hf_zip_zone_name, tvb, offset, 1,FALSE); offset += len +1; } break; } } } static void dissect_ddp_zip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_tree *zip_tree = NULL; proto_item *ti; guint8 fn; guint8 len; gint offset = 0; proto_tree *flag_tree; proto_tree *sub_tree; proto_tree *net_tree; guint8 flag; guint16 net; guint8 i; guint8 count; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "ZIP"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); fn = tvb_get_guint8(tvb, 0); if (check_col(pinfo->cinfo, COL_INFO)) { col_add_str(pinfo->cinfo, COL_INFO, val_to_str(fn, zip_function_vals, "Unknown ZIP function (%02x)")); } if (!tree) return; ti = proto_tree_add_item(tree, proto_zip, tvb, 0, -1, FALSE); zip_tree = proto_item_add_subtree(ti, ett_zip); proto_tree_add_item(zip_tree, hf_zip_function, tvb, offset, 1,FALSE); offset++; /* fn 1,7,2,8 are not tested */ switch (fn) { case 1: /* Query */ count = tvb_get_guint8(tvb, offset); ti = proto_tree_add_item(zip_tree, hf_zip_network_count, tvb, offset, 1, FALSE); offset++; sub_tree = proto_item_add_subtree(ti, ett_zip_network_list); for (i= 1; i <= count; i++) { proto_tree_add_item(sub_tree, hf_zip_network, tvb, offset, 2, FALSE); offset += 2; } break; case 7: /* Notify */ flag = tvb_get_guint8(tvb, offset); ti = proto_tree_add_text(zip_tree, tvb, offset , 1,"Flags : 0x%02x", flag); flag_tree = proto_item_add_subtree(ti, ett_zip_flags); proto_tree_add_item(flag_tree, hf_zip_flags_zone_invalid, tvb, offset, 1,FALSE); proto_tree_add_item(flag_tree, hf_zip_flags_use_broadcast,tvb, offset, 1,FALSE); proto_tree_add_item(flag_tree, hf_zip_flags_only_one_zone,tvb, offset, 1,FALSE); offset++; proto_tree_add_item(zip_tree, hf_zip_zero_value, tvb, offset, 4, FALSE); offset += 4; len = tvb_get_guint8(tvb, offset); proto_tree_add_item(zip_tree, hf_zip_zone_name, tvb, offset, 1,FALSE); offset += len +1; len = tvb_get_guint8(tvb, offset); proto_tree_add_item(zip_tree, hf_zip_multicast_length,tvb, offset, 1,FALSE); offset++; proto_tree_add_item(zip_tree, hf_zip_multicast_address,tvb, offset, len,FALSE); offset += len; proto_tree_add_item(zip_tree, hf_zip_zone_name, tvb, offset, 1,FALSE); break; case 2: /* Reply */ case 8: /* Extended Reply */ count = tvb_get_guint8(tvb, offset); ti = proto_tree_add_item(zip_tree, hf_zip_network_count, tvb, offset, 1, FALSE); offset++; sub_tree = proto_item_add_subtree(ti, ett_zip_network_list); for (i= 1; i <= count; i++) { net = tvb_get_ntohs(tvb, offset); ti = proto_tree_add_text(zip_tree, tvb, offset , 2, "Zone for network : %u", net); net_tree = proto_item_add_subtree(ti, ett_zip_network_list); proto_tree_add_item(net_tree, hf_zip_network, tvb, offset, 2, FALSE); offset += 2; len = tvb_get_guint8(tvb, offset); proto_tree_add_item(net_tree, hf_zip_zone_name, tvb, offset, 1,FALSE); offset += len +1; } break; case 5 : /* GetNetInfo request */ proto_tree_add_item(zip_tree, hf_zip_zero_value, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(zip_tree, hf_zip_zero_value, tvb, offset, 4, FALSE); offset += 4; proto_tree_add_item(zip_tree, hf_zip_zone_name, tvb, offset, 1,FALSE); break; case 6 : /* GetNetInfo reply */ flag = tvb_get_guint8(tvb, offset); ti = proto_tree_add_text(zip_tree, tvb, offset , 1,"Flags : 0x%02x", flag); flag_tree = proto_item_add_subtree(ti, ett_zip_flags); proto_tree_add_item(flag_tree, hf_zip_flags_zone_invalid, tvb, offset, 1,FALSE); proto_tree_add_item(flag_tree, hf_zip_flags_use_broadcast,tvb, offset, 1,FALSE); proto_tree_add_item(flag_tree, hf_zip_flags_only_one_zone,tvb, offset, 1,FALSE); offset++; proto_tree_add_item(zip_tree, hf_zip_network_start, tvb, offset, 2, FALSE); offset += 2; proto_tree_add_item(zip_tree, hf_zip_network_end, tvb, offset, 2, FALSE); offset += 2; len = tvb_get_guint8(tvb, offset); proto_tree_add_item(zip_tree, hf_zip_zone_name, tvb, offset, 1,FALSE); offset += len +1; len = tvb_get_guint8(tvb, offset); proto_tree_add_item(zip_tree, hf_zip_multicast_length,tvb, offset, 1,FALSE); offset++; proto_tree_add_item(zip_tree, hf_zip_multicast_address,tvb, offset, len,FALSE); offset += len; if ((flag & 0x80) != 0) proto_tree_add_item(zip_tree, hf_zip_default_zone, tvb, offset, 1,FALSE); break; default: break; } } static void dissect_ddp_short(tvbuff_t *tvb, packet_info *pinfo, guint8 dnode, guint8 snode, proto_tree *tree) { guint16 len; guint8 dport; guint8 sport; guint8 type; proto_tree *ddp_tree = NULL; proto_item *ti; static struct atalk_ddp_addr src, dst; tvbuff_t *new_tvb; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "DDP"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); if (tree) { ti = proto_tree_add_item(tree, proto_ddp, tvb, 0, DDP_SHORT_HEADER_SIZE, FALSE); ddp_tree = proto_item_add_subtree(ti, ett_ddp); } len = tvb_get_ntohs(tvb, 0); if (tree) proto_tree_add_uint(ddp_tree, hf_ddp_len, tvb, 0, 2, len); dport = tvb_get_guint8(tvb, 2); if (tree) proto_tree_add_uint(ddp_tree, hf_ddp_dst_socket, tvb, 2, 1, dport); sport = tvb_get_guint8(tvb, 3); if (tree) proto_tree_add_uint(ddp_tree, hf_ddp_src_socket, tvb, 3, 1, sport); type = tvb_get_guint8(tvb, 4); src.net = 0; src.node = snode; dst.net = 0; dst.node = dnode; SET_ADDRESS(&pinfo->net_src, AT_ATALK, sizeof src, (guint8 *)&src); SET_ADDRESS(&pinfo->src, AT_ATALK, sizeof src, (guint8 *)&src); SET_ADDRESS(&pinfo->net_dst, AT_ATALK, sizeof dst, (guint8 *)&dst); SET_ADDRESS(&pinfo->dst, AT_ATALK, sizeof dst, (guint8 *)&dst); pinfo->ptype = PT_DDP; pinfo->destport = dport; pinfo->srcport = sport; if (check_col(pinfo->cinfo, COL_INFO)) { col_add_str(pinfo->cinfo, COL_INFO, val_to_str(type, op_vals, "Unknown DDP protocol (%02x)")); } if (tree) { proto_tree_add_string_hidden(ddp_tree, hf_ddp_src, tvb, 4, 3, atalk_addr_to_str(&src)); proto_tree_add_string_hidden(ddp_tree, hf_ddp_dst, tvb, 6, 3, atalk_addr_to_str(&dst)); proto_tree_add_uint(ddp_tree, hf_ddp_type, tvb, 4, 1, type); } new_tvb = tvb_new_subset(tvb, DDP_SHORT_HEADER_SIZE, -1, -1); if (!dissector_try_port(ddp_dissector_table, type, new_tvb, pinfo, tree)) call_dissector(data_handle,new_tvb, pinfo, tree); } static void dissect_ddp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { e_ddp ddp; proto_tree *ddp_tree; proto_item *ti; static struct atalk_ddp_addr src, dst; tvbuff_t *new_tvb; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "DDP"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); tvb_memcpy(tvb, (guint8 *)&ddp, 0, sizeof(e_ddp)); ddp.dnet=g_ntohs(ddp.dnet); ddp.snet=g_ntohs(ddp.snet); ddp.sum=g_ntohs(ddp.sum); ddp.hops_len=g_ntohs(ddp.hops_len); src.net = ddp.snet; src.node = ddp.snode; dst.net = ddp.dnet; dst.node = ddp.dnode; SET_ADDRESS(&pinfo->net_src, AT_ATALK, sizeof src, (guint8 *)&src); SET_ADDRESS(&pinfo->src, AT_ATALK, sizeof src, (guint8 *)&src); SET_ADDRESS(&pinfo->net_dst, AT_ATALK, sizeof dst, (guint8 *)&dst); SET_ADDRESS(&pinfo->dst, AT_ATALK, sizeof dst, (guint8 *)&dst); pinfo->ptype = PT_DDP; pinfo->destport = ddp.dport; pinfo->srcport = ddp.sport; if (check_col(pinfo->cinfo, COL_INFO)) col_add_str(pinfo->cinfo, COL_INFO, val_to_str(ddp.type, op_vals, "Unknown DDP protocol (%02x)")); if (tree) { ti = proto_tree_add_item(tree, proto_ddp, tvb, 0, DDP_HEADER_SIZE, FALSE); ddp_tree = proto_item_add_subtree(ti, ett_ddp); proto_tree_add_string_hidden(ddp_tree, hf_ddp_src, tvb, 4, 3, atalk_addr_to_str(&src)); proto_tree_add_string_hidden(ddp_tree, hf_ddp_dst, tvb, 6, 3, atalk_addr_to_str(&dst)); proto_tree_add_uint(ddp_tree, hf_ddp_hopcount, tvb, 0, 1, ddp_hops(ddp.hops_len)); proto_tree_add_uint(ddp_tree, hf_ddp_len, tvb, 0, 2, ddp_len(ddp.hops_len)); proto_tree_add_uint(ddp_tree, hf_ddp_checksum, tvb, 2, 2, ddp.sum); proto_tree_add_uint(ddp_tree, hf_ddp_dst_net, tvb, 4, 2, ddp.dnet); proto_tree_add_uint(ddp_tree, hf_ddp_src_net, tvb, 6, 2, ddp.snet); proto_tree_add_uint(ddp_tree, hf_ddp_dst_node, tvb, 8, 1, ddp.dnode); proto_tree_add_uint(ddp_tree, hf_ddp_src_node, tvb, 9, 1, ddp.snode); proto_tree_add_uint(ddp_tree, hf_ddp_dst_socket, tvb, 10, 1, ddp.dport); proto_tree_add_uint(ddp_tree, hf_ddp_src_socket, tvb, 11, 1, ddp.sport); proto_tree_add_uint(ddp_tree, hf_ddp_type, tvb, 12, 1, ddp.type); } new_tvb = tvb_new_subset(tvb, DDP_HEADER_SIZE, -1, -1); if (!dissector_try_port(ddp_dissector_table, ddp.type, new_tvb, pinfo, tree)) call_dissector(data_handle,new_tvb, pinfo, tree); } static const value_string llap_type_vals[] = { {0x01, "Short DDP"}, {0x02, "DDP" }, {0x81, "Enquiry"}, {0x82, "Acknowledgement"}, {0x84, "RTS"}, {0x85, "CTS"}, {0, NULL} }; void capture_llap(packet_counts *ld) { ld->other++; } static void dissect_llap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { guint8 dnode; guint8 snode; guint8 type; proto_tree *llap_tree = NULL; proto_item *ti; tvbuff_t *new_tvb; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "LLAP"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); if (tree) { ti = proto_tree_add_item(tree, proto_llap, tvb, 0, 3, FALSE); llap_tree = proto_item_add_subtree(ti, ett_llap); } dnode = tvb_get_guint8(tvb, 0); if (tree) proto_tree_add_uint(llap_tree, hf_llap_dst, tvb, 0, 1, dnode); snode = tvb_get_guint8(tvb, 1); if (tree) proto_tree_add_uint(llap_tree, hf_llap_src, tvb, 1, 1, snode); type = tvb_get_guint8(tvb, 2); if (check_col(pinfo->cinfo, COL_INFO)) { col_add_str(pinfo->cinfo, COL_INFO, val_to_str(type, llap_type_vals, "Unknown LLAP type (%02x)")); } if (tree) proto_tree_add_uint(llap_tree, hf_llap_type, tvb, 2, 1, type); new_tvb = tvb_new_subset(tvb, 3, -1, -1); switch (type) { case 0x01: if (proto_is_protocol_enabled(find_protocol_by_id(proto_ddp))) { pinfo->current_proto = "DDP"; dissect_ddp_short(new_tvb, pinfo, dnode, snode, tree); return; } case 0x02: if (call_dissector(ddp_handle, new_tvb, pinfo, tree)) return; } call_dissector(data_handle,new_tvb, pinfo, tree); } static void atp_init(void) { /* fragment */ fragment_table_init(&atp_fragment_table); reassembled_table_init(&atp_reassembled_table); /* bitmap */ if (atp_request_hash) g_hash_table_destroy(atp_request_hash); if (atp_request_keys) g_mem_chunk_destroy(atp_request_keys); if (atp_request_vals) g_mem_chunk_destroy(atp_request_vals); atp_request_hash = g_hash_table_new(asp_hash, asp_equal); atp_request_keys = g_mem_chunk_new("atp_request_keys", sizeof(asp_request_key), asp_packet_init_count * sizeof(asp_request_key), G_ALLOC_AND_FREE); atp_request_vals = g_mem_chunk_new("atp_request_vals", sizeof(asp_request_val), asp_packet_init_count * sizeof(asp_request_val), G_ALLOC_AND_FREE); } static void asp_reinit( void) { if (asp_request_hash) g_hash_table_destroy(asp_request_hash); if (asp_request_keys) g_mem_chunk_destroy(asp_request_keys); if (asp_request_vals) g_mem_chunk_destroy(asp_request_vals); asp_request_hash = g_hash_table_new(asp_hash, asp_equal); asp_request_keys = g_mem_chunk_new("asp_request_keys", sizeof(asp_request_key), asp_packet_init_count * sizeof(asp_request_key), G_ALLOC_AND_FREE); asp_request_vals = g_mem_chunk_new("asp_request_vals", sizeof(asp_request_val), asp_packet_init_count * sizeof(asp_request_val), G_ALLOC_AND_FREE); } void proto_register_atalk(void) { static hf_register_info hf_llap[] = { { &hf_llap_dst, { "Destination Node", "llap.dst", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_llap_src, { "Source Node", "llap.src", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_llap_type, { "Type", "llap.type", FT_UINT8, BASE_HEX, VALS(llap_type_vals), 0x0, "", HFILL }}, }; static hf_register_info hf_ddp[] = { { &hf_ddp_hopcount, { "Hop count", "ddp.hopcount", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_ddp_len, { "Datagram length", "ddp.len", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_ddp_checksum, { "Checksum", "ddp.checksum", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_ddp_dst, { "Destination address", "ddp.dst", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }}, { &hf_ddp_dst_net, { "Destination Net", "ddp.dst.net", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_ddp_src, { "Source address", "ddp.src", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }}, { &hf_ddp_src_net, { "Source Net", "ddp.src.net", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_ddp_dst_node, { "Destination Node", "ddp.dst.node", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_ddp_src_node, { "Source Node", "ddp.src.node", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_ddp_dst_socket, { "Destination Socket", "ddp.dst_socket", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_ddp_src_socket, { "Source Socket", "ddp.src_socket", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_ddp_type, { "Protocol type", "ddp.type", FT_UINT8, BASE_DEC, VALS(op_vals), 0x0, "", HFILL }}, }; static hf_register_info hf_nbp[] = { { &hf_nbp_op, { "Operation", "nbp.op", FT_UINT8, BASE_DEC, VALS(nbp_op_vals), 0xF0, "Operation", HFILL }}, { &hf_nbp_info, { "Info", "nbp.info", FT_UINT8, BASE_HEX, NULL, 0x0, "Info", HFILL }}, { &hf_nbp_count, { "Count", "nbp.count", FT_UINT8, BASE_DEC, NULL, 0x0F, "Count", HFILL }}, { &hf_nbp_node_net, { "Network", "nbp.net", FT_UINT16, BASE_DEC, NULL, 0x0, "Network", HFILL }}, { &hf_nbp_node_node, { "Node", "nbp.node", FT_UINT8, BASE_DEC, NULL, 0x0, "Node", HFILL }}, { &hf_nbp_node_port, { "Port", "nbp.port", FT_UINT8, BASE_DEC, NULL, 0x0, "Port", HFILL }}, { &hf_nbp_node_enum, { "Enumerator", "nbp.enum", FT_UINT8, BASE_DEC, NULL, 0x0, "Enumerator", HFILL }}, { &hf_nbp_node_object, { "Object", "nbp.object", FT_STRING, BASE_DEC, NULL, 0x0, "Object", HFILL }}, { &hf_nbp_node_type, { "Type", "nbp.type", FT_STRING, BASE_DEC, NULL, 0x0, "Type", HFILL }}, { &hf_nbp_node_zone, { "Zone", "nbp.zone", FT_STRING, BASE_DEC, NULL, 0x0, "Zone", HFILL }}, { &hf_nbp_tid, { "Transaction ID", "nbp.tid", FT_UINT8, BASE_DEC, NULL, 0x0, "Transaction ID", HFILL }} }; static hf_register_info hf_rtmp[] = { { &hf_rtmp_net, { "Net", "rtmp.net", FT_UINT16, BASE_DEC, NULL, 0x0, "Net", HFILL }}, { &hf_rtmp_node, { "Node", "nbp.nodeid", FT_UINT8, BASE_DEC, NULL, 0x0, "Node", HFILL }}, { &hf_rtmp_node_len, { "Node Length", "nbp.nodeid.length", FT_UINT8, BASE_DEC, NULL, 0x0, "Node Length", HFILL }}, { &hf_rtmp_tuple_net, { "Net", "rtmp.tuple.net", FT_UINT16, BASE_DEC, NULL, 0x0, "Net", HFILL }}, { &hf_rtmp_tuple_range_start, { "Range Start", "rtmp.tuple.range_start", FT_UINT16, BASE_DEC, NULL, 0x0, "Range Start", HFILL }}, { &hf_rtmp_tuple_range_end, { "Range End", "rtmp.tuple.range_end", FT_UINT16, BASE_DEC, NULL, 0x0, "Range End", HFILL }}, { &hf_rtmp_tuple_dist, { "Distance", "rtmp.tuple.dist", FT_UINT16, BASE_DEC, NULL, 0x0, "Distance", HFILL }}, { &hf_rtmp_function, { "Function", "rtmp.function", FT_UINT8, BASE_DEC, VALS(rtmp_function_vals), 0x0, "Request Function", HFILL }} }; static hf_register_info hf_atp[] = { { &hf_atp_ctrlinfo, { "Control info", "atp.ctrlinfo", FT_UINT8, BASE_HEX, NULL, 0, "control info", HFILL }}, { &hf_atp_function, { "Function", "atp.function", FT_UINT8, BASE_DEC, VALS(atp_function_vals), ATP_FUNCMASK, "function code", HFILL }}, { &hf_atp_xo, { "XO", "atp.xo", FT_BOOLEAN, 8, NULL, ATP_XO, "Exactly-once flag", HFILL }}, { &hf_atp_eom, { "EOM", "atp.eom", FT_BOOLEAN, 8, NULL, ATP_EOM, "End-of-message", HFILL }}, { &hf_atp_sts, { "STS", "atp.sts", FT_BOOLEAN, 8, NULL, ATP_STS, "Send transaction status", HFILL }}, { &hf_atp_treltimer, { "TRel timer", "atp.treltimer", FT_UINT8, BASE_DEC, VALS(atp_trel_timer_vals), 0x07, "TRel timer", HFILL }}, { &hf_atp_bitmap, { "Bitmap", "atp.bitmap", FT_UINT8, BASE_HEX, NULL, 0x0, "Bitmap or sequence number", HFILL }}, { &hf_atp_tid, { "TID", "atp.tid", FT_UINT16, BASE_DEC, NULL, 0x0, "Transaction id", HFILL }}, { &hf_atp_user_bytes, { "User bytes", "atp.user_bytes", FT_UINT32, BASE_HEX, NULL, 0x0, "User bytes", HFILL }}, { &hf_atp_segment_overlap, { "Segment overlap", "atp.segment.overlap", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "Segment overlaps with other segments", HFILL }}, { &hf_atp_segment_overlap_conflict, { "Conflicting data in segment overlap", "atp.segment.overlap.conflict", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "Overlapping segments contained conflicting data", HFILL }}, { &hf_atp_segment_multiple_tails, { "Multiple tail segments found", "atp.segment.multipletails", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "Several tails were found when desegmenting the packet", HFILL }}, { &hf_atp_segment_too_long_segment, { "Segment too long", "atp.segment.toolongsegment", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "Segment contained data past end of packet", HFILL }}, { &hf_atp_segment_error, {"Desegmentation error", "atp.segment.error", FT_FRAMENUM, BASE_NONE, NULL, 0x0, "Desegmentation error due to illegal segments", HFILL }}, { &hf_atp_segment, { "ATP Fragment", "atp.fragment", FT_FRAMENUM, BASE_NONE, NULL, 0x0, "ATP Fragment", HFILL }}, { &hf_atp_segments, { "ATP Fragments", "atp.fragments", FT_NONE, BASE_NONE, NULL, 0x0, "ATP Fragments", HFILL }}, { &hf_atp_reassembled_in, { "Reassembled ATP in frame", "atp.reassembled_in", FT_FRAMENUM, BASE_NONE, NULL, 0x0, "This ATP packet is reassembled in this frame", HFILL }} }; static hf_register_info hf_asp[] = { { &hf_asp_func, { "asp function", "asp.function", FT_UINT8, BASE_DEC, VALS(asp_func_vals), 0, "asp function", HFILL }}, { &hf_asp_error, { "asp error", "asp.error", FT_INT32, BASE_DEC, VALS(asp_error_vals), 0, "return error code", HFILL }}, { &hf_asp_version, { "Version", "asp.version", FT_UINT16, BASE_HEX, NULL, 0, "asp version", HFILL }}, { &hf_asp_attn_code, { "Attn code", "asp.attn_code", FT_UINT16, BASE_HEX, NULL, 0, "asp attention code", HFILL }}, { &hf_asp_init_error, { "Error", "asp.init_error", FT_UINT16, BASE_DEC, NULL, 0, "asp init error", HFILL }}, { &hf_asp_session_id, { "Session ID", "asp.session_id", FT_UINT8, BASE_DEC, NULL, 0, "asp session id", HFILL }}, { &hf_asp_socket, { "Socket", "asp.socket", FT_UINT8, BASE_DEC, NULL, 0, "asp socket", HFILL }}, { &hf_asp_seq, { "Sequence", "asp.seq", FT_UINT16, BASE_DEC, NULL, 0, "asp sequence number", HFILL }}, { &hf_asp_size, { "size", "asp.size", FT_UINT16, BASE_DEC, NULL, 0, "asp available size for reply", HFILL }}, { &hf_asp_zero_value, { "Pad (0)", "asp.zero_value", FT_BYTES, BASE_HEX, NULL, 0x0, "Pad", HFILL }}, /* asp ,dsi, afp */ { &hf_asp_server_name, { "Server name", "asp.server_name", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "Server name", HFILL }}, { &hf_asp_server_type, { "Server type", "asp.server_type", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "Server type", HFILL }}, { &hf_asp_server_vers, { "AFP version", "asp.server_vers", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "AFP version", HFILL }}, { &hf_asp_server_uams, { "UAM", "asp.server_uams", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "UAM", HFILL }}, { &hf_asp_server_icon, { "Icon bitmap", "asp.server_icon", FT_BYTES, BASE_HEX, NULL, 0x0, "Server icon bitmap", HFILL }}, { &hf_asp_server_directory, { "Directory service", "asp.server_directory", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "Server directory service", HFILL }}, { &hf_asp_server_signature, { "Server signature", "asp.server_signature", FT_BYTES, BASE_HEX, NULL, 0x0, "Server signature", HFILL }}, { &hf_asp_server_flag, { "Flag", "asp.server_flag", FT_UINT16, BASE_HEX, NULL, 0x0, "Server capabilities flag", HFILL }}, { &hf_asp_server_flag_copyfile, { "Support copyfile", "asp.server_flag.copyfile", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_COPY, "Server support copyfile", HFILL }}, { &hf_asp_server_flag_passwd, { "Support change password", "asp.server_flag.passwd", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_PASSWD, "Server support change password", HFILL }}, { &hf_asp_server_flag_no_save_passwd, { "Don't allow save password", "asp.server_flag.no_save_passwd", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_NOSAVEPASSWD, "Don't allow save password", HFILL }}, { &hf_asp_server_flag_srv_msg, { "Support server message", "asp.server_flag.srv_msg", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVMSGS, "Support server message", HFILL }}, { &hf_asp_server_flag_srv_sig, { "Support server signature", "asp.server_flag.srv_sig", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVSIGNATURE, "Support server signature", HFILL }}, { &hf_asp_server_flag_tcpip, { "Support TCP/IP", "asp.server_flag.tcpip", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_TCPIP, "Server support TCP/IP", HFILL }}, { &hf_asp_server_flag_notify, { "Support server notifications", "asp.server_flag.notify", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVNOTIFY, "Server support notifications", HFILL }}, { &hf_asp_server_flag_reconnect, { "Support server reconnect", "asp.server_flag.reconnect", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVRECONNECT, "Server support reconnect", HFILL }}, { &hf_asp_server_flag_directory, { "Support directory services", "asp.server_flag.directory", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVDIRECTORY, "Server support directory services", HFILL }}, { &hf_asp_server_flag_utf8_name, { "Support UTF8 server name", "asp.server_flag.utf8_name", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVUTF8, "Server support UTF8 server name", HFILL }}, { &hf_asp_server_flag_fast_copy, { "Support fast copy", "asp.server_flag.fast_copy", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_FASTBOZO, "Server support fast copy", HFILL }}, { &hf_asp_server_addr_len, { "Length", "asp.server_addr.len", FT_UINT8, BASE_DEC, NULL, 0x0, "Address length.", HFILL }}, { &hf_asp_server_addr_type, { "Type", "asp.server_addr.type", FT_UINT8, BASE_DEC, VALS(afp_server_addr_type_vals), 0x0, "Address type.", HFILL }}, { &hf_asp_server_addr_value, { "Value", "asp.server_addr.value", FT_BYTES, BASE_HEX, NULL, 0x0, "Address value", HFILL }}, { &hf_asp_server_utf8_name_len, { "Server name length", "asp.server_utf8_name_len", FT_UINT16, BASE_DEC, NULL, 0x0, "UTF8 server name length", HFILL }}, { &hf_asp_server_utf8_name, { "Server name (UTF8)", "asp.server_utf8_name", FT_STRING, BASE_NONE, NULL, 0x0, "Server name (UTF8)", HFILL }}, }; static hf_register_info hf_zip[] = { { &hf_zip_function, { "Function", "zip.function", FT_UINT8, BASE_DEC, VALS(zip_function_vals), 0x0, "ZIP function", HFILL }}, { &hf_zip_zero_value, { "Pad (0)", "zip.zero_value",FT_BYTES, BASE_HEX, NULL, 0x0, "Pad", HFILL }}, { &hf_zip_atp_function, { "Function", "zip.atp_function", FT_UINT8, BASE_DEC, VALS(zip_atp_function_vals), 0x0, "", HFILL }}, { &hf_zip_start_index, { "Start index", "zip.start_index", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_zip_count, { "Count", "zip.count", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_zip_network_count, { "Count", "zip.network_count", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_zip_network, { "Network","zip.network", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_zip_network_start, { "Network start","zip.network_start", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_zip_network_end, { "Network end", "zip.network_end", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, { &hf_zip_flags, { "Flags", "zip.flags", FT_BOOLEAN, 8, NULL, 0xC0, "", HFILL }}, { &hf_zip_last_flag, { "Last Flag", "zip.last_flag", FT_BOOLEAN, 8, NULL, 0, "Non zero if contains last zone name in the zone list", HFILL }}, { &hf_zip_flags_zone_invalid, { "Zone invalid", "zip.flags.zone_invalid", FT_BOOLEAN, 8, NULL, 0x80, "", HFILL }}, { &hf_zip_flags_use_broadcast, { "Use broadcast","zip.flags.use_broadcast", FT_BOOLEAN, 8, NULL, 0x40, "", HFILL }}, { &hf_zip_flags_only_one_zone, { "Only one zone","zip.flags.only_one_zone", FT_BOOLEAN, 8, NULL, 0x20, "", HFILL }}, { &hf_zip_zone_name, { "Zone", "zip.zone_name", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }}, { &hf_zip_default_zone, { "Default zone", "zip.default_zone",FT_UINT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }}, { &hf_zip_multicast_length, { "Multicast length", "zip.multicast_length", FT_UINT8, BASE_DEC, NULL, 0x0, "Multicast address length", HFILL }}, { &hf_zip_multicast_address, { "Multicast address", "zip.multicast_address",FT_BYTES, BASE_HEX, NULL, 0x0, "Multicast address", HFILL }}, }; static gint *ett[] = { &ett_llap, &ett_ddp, &ett_atp, &ett_atp_info, &ett_atp_segments, &ett_atp_segment, &ett_asp, /* asp dsi afp */ &ett_asp_status, &ett_asp_status_server_flag, &ett_asp_vers, &ett_asp_uams, &ett_asp_addr, &ett_asp_addr_line, &ett_asp_directory, &ett_asp_utf8_name, &ett_nbp, &ett_nbp_info, &ett_nbp_node, &ett_pstring, &ett_rtmp, &ett_rtmp_tuple, &ett_zip, &ett_zip_flags, &ett_zip_zones_list, &ett_zip_network_list, }; module_t *atp_module; proto_llap = proto_register_protocol("LocalTalk Link Access Protocol", "LLAP", "llap"); proto_register_field_array(proto_llap, hf_llap, array_length(hf_llap)); proto_ddp = proto_register_protocol("Datagram Delivery Protocol", "DDP", "ddp"); proto_register_field_array(proto_ddp, hf_ddp, array_length(hf_ddp)); proto_nbp = proto_register_protocol("Name Binding Protocol", "NBP", "nbp"); proto_register_field_array(proto_nbp, hf_nbp, array_length(hf_nbp)); proto_atp = proto_register_protocol("AppleTalk Transaction Protocol packet", "ATP", "atp"); proto_register_field_array(proto_atp, hf_atp, array_length(hf_atp)); proto_asp = proto_register_protocol("AppleTalk Session Protocol", "ASP", "asp"); proto_register_field_array(proto_asp, hf_asp, array_length(hf_asp)); proto_zip = proto_register_protocol("Zone Information Protocol", "ZIP", "zip"); proto_register_field_array(proto_zip, hf_zip, array_length(hf_zip)); atp_module = prefs_register_protocol(proto_atp, NULL); prefs_register_bool_preference(atp_module, "desegment", "Desegment all ATP messages spanning multiple DDP packets", "Whether the ATP dissector should desegment all messages spanning multiple DDP packets", &atp_defragment); proto_rtmp = proto_register_protocol("Routing Table Maintenance Protocol", "RTMP", "rtmp"); proto_register_field_array(proto_rtmp, hf_rtmp, array_length(hf_rtmp)); proto_register_subtree_array(ett, array_length(ett)); /* subdissector code */ ddp_dissector_table = register_dissector_table("ddp.type", "DDP packet type", FT_UINT8, BASE_HEX); } void proto_reg_handoff_atalk(void) { dissector_handle_t nbp_handle, rtmp_request_handle; dissector_handle_t atp_handle; dissector_handle_t zip_ddp_handle; dissector_handle_t rtmp_data_handle, llap_handle; ddp_handle = create_dissector_handle(dissect_ddp, proto_ddp); dissector_add("ethertype", ETHERTYPE_ATALK, ddp_handle); dissector_add("chdlctype", ETHERTYPE_ATALK, ddp_handle); dissector_add("ppp.protocol", PPP_AT, ddp_handle); dissector_add("null.type", BSD_AF_APPLETALK, ddp_handle); dissector_add("arcnet.protocol_id", ARCNET_PROTO_APPLETALK, ddp_handle); nbp_handle = create_dissector_handle(dissect_nbp, proto_nbp); dissector_add("ddp.type", DDP_NBP, nbp_handle); atp_handle = create_dissector_handle(dissect_atp, proto_atp); dissector_add("ddp.type", DDP_ATP, atp_handle); asp_handle = create_dissector_handle(dissect_asp, proto_asp); rtmp_request_handle = create_dissector_handle(dissect_rtmp_request, proto_rtmp); rtmp_data_handle = create_dissector_handle(dissect_rtmp_data, proto_rtmp); dissector_add("ddp.type", DDP_RTMPREQ, rtmp_request_handle); dissector_add("ddp.type", DDP_RTMPDATA, rtmp_data_handle); zip_ddp_handle = create_dissector_handle(dissect_ddp_zip, proto_zip); dissector_add("ddp.type", DDP_ZIP, zip_ddp_handle); zip_atp_handle = create_dissector_handle(dissect_atp_zip, proto_zip); llap_handle = create_dissector_handle(dissect_llap, proto_llap); dissector_add("wtap_encap", WTAP_ENCAP_LOCALTALK, llap_handle); register_init_routine( atp_init); register_init_routine( &asp_reinit); afp_handle = find_dissector("afp"); data_handle = find_dissector("data"); }