diff options
Diffstat (limited to 'epan/dissectors/packet-atalk.c')
-rw-r--r-- | epan/dissectors/packet-atalk.c | 2303 |
1 files changed, 2303 insertions, 0 deletions
diff --git a/epan/dissectors/packet-atalk.c b/epan/dissectors/packet-atalk.c new file mode 100644 index 0000000000..f74520ef27 --- /dev/null +++ b/epan/dissectors/packet-atalk.c @@ -0,0 +1,2303 @@ +/* packet-atalk.c + * Routines for AppleTalk packet disassembly: LLAP, DDP, NBP, ATP, ASP, + * RTMP. + * + * $Id$ + * + * Simon Wilkinson <sxw@dcs.ed.ac.uk> + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * 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 <glib.h> +#include <epan/packet.h> +#include <string.h> + +#include "etypes.h" +#include "ppptypes.h" +#include "aftypes.h" +#include "arcnet_pids.h" +#include <epan/atalk-utils.h> +#include <epan/conversation.h> + +#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; i<count; i++) { + proto_tree *node_item,*node_tree; + int soffset = offset; + + node_item = proto_tree_add_text(nbp_tree, tvb, offset, -1, + "Node %u", i+1); + node_tree = proto_item_add_subtree(node_item, ett_nbp_node); + + proto_tree_add_item(node_tree, hf_nbp_node_net, tvb, offset, 2, FALSE); + offset += 2; + proto_tree_add_item(node_tree, hf_nbp_node_node, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(node_tree, hf_nbp_node_port, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(node_tree, hf_nbp_node_enum, tvb, offset, 1, FALSE); + offset++; + + offset = dissect_pascal_string(tvb, offset, node_tree, hf_nbp_node_object); + offset = dissect_pascal_string(tvb, offset, node_tree, hf_nbp_node_type); + offset = dissect_pascal_string(tvb, offset, node_tree, hf_nbp_node_zone); + + proto_item_set_len(node_item, offset-soffset); + } + } + + return; +} + +/* ----------------------------- + ATP protocol cf. inside appletalk chap. 9 + desegmentation from packet-ieee80211.c +*/ +static void +dissect_atp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { + proto_tree *atp_tree = NULL; + proto_item *ti; + proto_tree *atp_info_tree; + proto_item *info_item; + int offset = 0; + guint8 ctrlinfo; + guint8 frag_number = 0; + guint op; + guint16 tid; + guint8 query; + struct aspinfo aspinfo; + tvbuff_t *new_tvb = NULL; + gboolean save_fragmented; + gboolean more_fragment = FALSE; + int len; + guint8 bitmap; + guint8 nbe = 0; + guint8 t = 0; + conversation_t *conversation; + asp_request_key request_key, *new_request_key; + asp_request_val *request_val; + + if (check_col(pinfo->cinfo, 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"); +} |