/* packet-dsi.c * Routines for dsi packet dissection * Copyright 2001, Randy McEoin * * $Id: packet-dsi.c,v 1.26 2003/04/15 05:45:02 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * Copied from packet-pop.c * * 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 "prefs.h" #include "packet-tcp.h" #include "packet-afp.h" /* The information in this module (DSI) comes from: AFP 2.1 & 2.2.pdf contained in AppleShare_IP_6.3_SDK available from http://www.apple.com The netatalk source code by Wesley Craig & Adrian Sun * What a Data Stream Interface packet looks like: * 0 32 * |-------------------------------| * |flags |command| requestID | * |-------------------------------| * |error code/enclosed data offset| * |-------------------------------| * |total data length | * |-------------------------------| * |reserved field | * |-------------------------------| */ static int proto_dsi = -1; static int hf_dsi_flags = -1; static int hf_dsi_command = -1; static int hf_dsi_requestid = -1; static int hf_dsi_offset = -1; static int hf_dsi_error = -1; static int hf_dsi_length = -1; static int hf_dsi_reserved = -1; static gint ett_dsi = -1; static int hf_dsi_open_type = -1; static int hf_dsi_open_len = -1; static int hf_dsi_open_quantum = -1; static int hf_dsi_open_option = -1; static int hf_dsi_attn_flag = -1; static int hf_dsi_attn_flag_shutdown = -1; static int hf_dsi_attn_flag_crash = -1; static int hf_dsi_attn_flag_msg = -1; static int hf_dsi_attn_flag_reconnect = -1; static int hf_dsi_attn_flag_time = -1; static int hf_dsi_attn_flag_bitmap = -1; static gint ett_dsi_open = -1; static gint ett_dsi_attn = -1; static gint ett_dsi_attn_flag = -1; static const value_string dsi_attn_flag_vals[] = { {0x0, "Reserved" }, /* 0000 */ {0x1, "Reserved" }, /* 0001 */ {0x2, "Server message" }, /* 0010 */ {0x3, "Server notification, cf. extended bitmap" }, /* 0011 */ {0x4, "Server is shutting down, internal error" }, /* 0100 */ {0x8, "Server is shutting down" }, /* 1000 */ {0x9, "Server disconnects user" }, /* 1001 */ {0x10,"Server is shutting down, message" }, /* 1010 */ {0x11,"Server is shutting down, message,no reconnect"}, /* 1011 */ {0, NULL } }; static const value_string dsi_open_type_vals[] = { {0, "Server quantum" }, {1, "Attention quantum" }, {0, NULL } }; /* status stuff same for asp and afp */ static int hf_dsi_server_name = -1; static int hf_dsi_utf8_server_name_len = -1; static int hf_dsi_utf8_server_name = -1; static int hf_dsi_server_type = -1; static int hf_dsi_server_vers = -1; static int hf_dsi_server_uams = -1; static int hf_dsi_server_icon = -1; static int hf_dsi_server_directory = -1; static int hf_dsi_server_flag = -1; static int hf_dsi_server_flag_copyfile = -1; static int hf_dsi_server_flag_passwd = -1; static int hf_dsi_server_flag_no_save_passwd = -1; static int hf_dsi_server_flag_srv_msg = -1; static int hf_dsi_server_flag_srv_sig = -1; static int hf_dsi_server_flag_tcpip = -1; static int hf_dsi_server_flag_notify = -1; static int hf_dsi_server_flag_reconnect = -1; static int hf_dsi_server_flag_directory = -1; static int hf_dsi_server_flag_utf8_name = -1; static int hf_dsi_server_flag_fast_copy = -1; static int hf_dsi_server_signature = -1; static int hf_dsi_server_addr_len = -1; static int hf_dsi_server_addr_type = -1; static int hf_dsi_server_addr_value = -1; static gint ett_dsi_status = -1; static gint ett_dsi_uams = -1; static gint ett_dsi_vers = -1; static gint ett_dsi_addr = -1; static gint ett_dsi_addr_line = -1; static gint ett_dsi_directory = -1; static gint ett_dsi_utf8_name = -1; static gint ett_dsi_status_server_flag = -1; const value_string afp_server_addr_type_vals[] = { {1, "IP address" }, {2, "IP+port address" }, {3, "DDP address" }, {4, "DNS name" }, {5, "IP+port ssh tunnel" }, {0, NULL } }; /* end status stuff */ /* desegmentation of DSI */ static gboolean dsi_desegment = TRUE; static dissector_handle_t data_handle; static dissector_handle_t afp_handle; #define TCP_PORT_DSI 548 #define DSI_BLOCKSIZ 16 /* DSI flags */ #define DSIFL_REQUEST 0x00 #define DSIFL_REPLY 0x01 #define DSIFL_MAX 0x01 /* DSI Commands */ #define DSIFUNC_CLOSE 1 /* DSICloseSession */ #define DSIFUNC_CMD 2 /* DSICommand */ #define DSIFUNC_STAT 3 /* DSIGetStatus */ #define DSIFUNC_OPEN 4 /* DSIOpenSession */ #define DSIFUNC_TICKLE 5 /* DSITickle */ #define DSIFUNC_WRITE 6 /* DSIWrite */ #define DSIFUNC_ATTN 8 /* DSIAttention */ #define DSIFUNC_MAX 8 /* largest command */ static const value_string flag_vals[] = { {DSIFL_REQUEST, "Request" }, {DSIFL_REPLY, "Reply" }, {0, NULL } }; static const value_string func_vals[] = { {DSIFUNC_CLOSE, "CloseSession" }, {DSIFUNC_CMD, "Command" }, {DSIFUNC_STAT, "GetStatus" }, {DSIFUNC_OPEN, "OpenSession" }, {DSIFUNC_TICKLE, "Tickle" }, {DSIFUNC_WRITE, "Write" }, {DSIFUNC_ATTN, "Attention" }, {0, NULL } }; static gint dissect_dsi_open_session(tvbuff_t *tvb, proto_tree *dsi_tree, gint offset) { proto_tree *tree; proto_item *ti; guint8 type; guint8 len; ti = proto_tree_add_text(dsi_tree, tvb, offset, -1, "Open Session"); tree = proto_item_add_subtree(ti, ett_dsi_open); type = tvb_get_guint8(tvb, offset); proto_tree_add_item(tree, hf_dsi_open_type, tvb, offset, 1, FALSE); offset++; len = tvb_get_guint8(tvb, offset); proto_tree_add_item(tree, hf_dsi_open_len, tvb, offset, 1, FALSE); offset++; if (type <= 1) { proto_tree_add_item(tree, hf_dsi_open_quantum, tvb, offset, 4, FALSE); } else { proto_tree_add_item(tree, hf_dsi_open_option, tvb, offset, len, FALSE); } offset += len; return offset; } static gint dissect_dsi_attention(tvbuff_t *tvb, proto_tree *dsi_tree, gint offset) { proto_tree *tree; proto_item *ti; guint16 flag; if (!tvb_reported_length_remaining(tvb,offset)) return offset; flag = tvb_get_ntohs(tvb, offset); ti = proto_tree_add_text(dsi_tree, tvb, offset, -1, "Attention"); tree = proto_item_add_subtree(ti, ett_dsi_attn); ti = proto_tree_add_item(tree, hf_dsi_attn_flag, tvb, offset, 2, FALSE); tree = proto_item_add_subtree(ti, ett_dsi_attn_flag); proto_tree_add_item(tree, hf_dsi_attn_flag_shutdown, tvb, offset, 2, FALSE); proto_tree_add_item(tree, hf_dsi_attn_flag_crash, tvb, offset, 2, FALSE); proto_tree_add_item(tree, hf_dsi_attn_flag_msg, tvb, offset, 2, FALSE); proto_tree_add_item(tree, hf_dsi_attn_flag_reconnect, tvb, offset, 2, FALSE); /* FIXME */ if ((flag & 0xf000) != 0x3000) proto_tree_add_item(tree, hf_dsi_attn_flag_time, tvb, offset, 2, FALSE); else proto_tree_add_item(tree, hf_dsi_attn_flag_bitmap, tvb, offset, 2, FALSE); offset += 2; return offset; } /* ----------------------------- from netatalk/etc/afpd/status.c */ static gint dissect_dsi_reply_get_status(tvbuff_t *tvb, proto_tree *tree, gint offset) { proto_tree *sub_tree; proto_item *ti; guint16 ofs; guint16 flag; 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_dsi_status); ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_MACHOFF); proto_tree_add_text(tree, tvb, offset +AFPSTATUS_MACHOFF, 2, "Machine offset: %d", ofs); ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_VERSOFF); proto_tree_add_text(tree, tvb, offset +AFPSTATUS_VERSOFF, 2, "Version offset: %d", ofs); ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_UAMSOFF); proto_tree_add_text(tree, tvb, offset +AFPSTATUS_UAMSOFF, 2, "UAMS offset: %d", ofs); ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_ICONOFF); proto_tree_add_text(tree, tvb, offset +AFPSTATUS_ICONOFF, 2, "Icon offset: %d", ofs); ofs = offset +AFPSTATUS_FLAGOFF; ti = proto_tree_add_item(tree, hf_dsi_server_flag, tvb, ofs, 2, FALSE); sub_tree = proto_item_add_subtree(ti, ett_dsi_status_server_flag); proto_tree_add_item(sub_tree, hf_dsi_server_flag_copyfile , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_dsi_server_flag_passwd , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_dsi_server_flag_no_save_passwd, tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_dsi_server_flag_srv_msg , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_dsi_server_flag_srv_sig , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_dsi_server_flag_tcpip , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_dsi_server_flag_notify , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_dsi_server_flag_reconnect , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_dsi_server_flag_directory , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_dsi_server_flag_utf8_name , tvb, ofs, 2, FALSE); proto_tree_add_item(sub_tree, hf_dsi_server_flag_fast_copy , tvb, ofs, 2, FALSE); proto_tree_add_item(tree, hf_dsi_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: %d", sign_ofs); sign_ofs += offset; if ((flag & AFPSRVRINFO_TCPIP)) { ofs += 2; adr_ofs = tvb_get_ntohs(tvb, ofs); proto_tree_add_text(tree, tvb, ofs, 2, "Network address offset: %d", adr_ofs); adr_ofs += offset; } if ((flag & AFPSRVRINFO_SRVDIRECTORY)) { ofs += 2; dir_ofs = tvb_get_ntohs(tvb, ofs); proto_tree_add_text(tree, tvb, ofs, 2, "Directory services offset: %d", dir_ofs); dir_ofs += offset; } if ((flag & AFPSRVRINFO_SRVUTF8)) { ofs += 2; utf_ofs = tvb_get_ntohs(tvb, ofs); proto_tree_add_text(tree, tvb, ofs, 2, "UTF8 server name offset: %d", utf_ofs); utf_ofs += offset; } } ofs = offset +tvb_get_ntohs(tvb, offset +AFPSTATUS_MACHOFF); if (ofs) proto_tree_add_item(tree, hf_dsi_server_type, tvb, 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: %d", nbe); ofs++; sub_tree = proto_item_add_subtree(ti, ett_dsi_vers); for (i = 0; i < nbe; i++) { len = tvb_get_guint8(tvb, ofs) +1; proto_tree_add_item(sub_tree, hf_dsi_server_vers, tvb, ofs, 1, FALSE); ofs += len; } } 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: %d", nbe); ofs++; sub_tree = proto_item_add_subtree(ti, ett_dsi_uams); for (i = 0; i < nbe; i++) { len = tvb_get_guint8(tvb, ofs) +1; proto_tree_add_item(sub_tree, hf_dsi_server_uams, tvb, ofs, 1, FALSE); ofs += len; } } ofs = offset +tvb_get_ntohs(tvb, offset +AFPSTATUS_ICONOFF); if (ofs) proto_tree_add_item(tree, hf_dsi_server_icon, tvb, ofs, 256, FALSE); if (sign_ofs) { proto_tree_add_item(tree, hf_dsi_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: %d", nbe); ofs++; adr_tree = proto_item_add_subtree(ti, ett_dsi_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:%d",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 4: /* DNS */ case 5: /* SSH tunnel */ if (len > 2) { tmp = g_malloc( len -1); tvb_memcpy(tvb, tmp, ofs +2, len -2); tmp[len -2] = 0; ti = proto_tree_add_text(adr_tree, tvb, ofs, len, "%s: %s", (type==4)?"dns":"ssh tunnel", tmp); g_free(tmp); break; } else { ti = proto_tree_add_text(adr_tree, tvb, ofs, len,"Malformed address type %d", type); } break; default: ti = proto_tree_add_text(adr_tree, tvb, ofs, len,"Unknow type : %d", type); break; } len -= 2; sub_tree = proto_item_add_subtree(ti,ett_dsi_addr_line); proto_tree_add_item(sub_tree, hf_dsi_server_addr_len, tvb, ofs, 1, FALSE); ofs++; proto_tree_add_item(sub_tree, hf_dsi_server_addr_type, tvb, ofs, 1, FALSE); ofs++; proto_tree_add_item(sub_tree, hf_dsi_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: %d", nbe); ofs++; sub_tree = proto_item_add_subtree(ti, ett_dsi_directory); for (i = 0; i < nbe; i++) { len = tvb_get_guint8(tvb, ofs) +1; proto_tree_add_item(sub_tree, hf_dsi_server_directory, tvb, ofs, 1, FALSE); ofs += len; } } if (utf_ofs) { guint16 ulen; char *tmp = NULL; ofs = utf_ofs; ulen = tvb_get_ntohs(tvb, ofs); if(ulen) { tmp = g_malloc( ulen); tvb_memcpy(tvb, tmp, ofs +2, ulen); tmp[ulen] = 0; } ti = proto_tree_add_text(tree, tvb, ofs, ulen +2, "UTF8 server name: %s", (tmp)?tmp:""); if (tmp) { g_free(tmp); } sub_tree = proto_item_add_subtree(ti, ett_dsi_utf8_name); proto_tree_add_item( sub_tree, hf_dsi_utf8_server_name_len, tvb, ofs, 2,FALSE); ofs += 2; proto_tree_add_item(sub_tree, hf_dsi_utf8_server_name, tvb, ofs, ulen,FALSE); } return offset; } static void dissect_dsi_packet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_tree *dsi_tree; proto_item *ti; guint8 dsi_flags,dsi_command; guint16 dsi_requestid; gint32 dsi_code; guint32 dsi_length; guint32 dsi_reserved; struct aspinfo aspinfo; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "DSI"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); dsi_flags = tvb_get_guint8(tvb, 0); dsi_command = tvb_get_guint8(tvb, 1); dsi_requestid = tvb_get_ntohs(tvb, 2); dsi_code = tvb_get_ntohl(tvb, 4); dsi_length = tvb_get_ntohl(tvb, 8); dsi_reserved = tvb_get_ntohl(tvb, 12); if (check_col(pinfo->cinfo, COL_INFO)) { col_add_fstr(pinfo->cinfo, COL_INFO, "%s %s (%u)", val_to_str(dsi_flags, flag_vals, "Unknown flag (0x%02x)"), val_to_str(dsi_command, func_vals, "Unknown function (0x%02x)"), dsi_requestid); } if (tree) { ti = proto_tree_add_item(tree, proto_dsi, tvb, 0, -1, FALSE); dsi_tree = proto_item_add_subtree(ti, ett_dsi); proto_tree_add_uint(dsi_tree, hf_dsi_flags, tvb, 0, 1, dsi_flags); proto_tree_add_uint(dsi_tree, hf_dsi_command, tvb, 1, 1, dsi_command); proto_tree_add_uint(dsi_tree, hf_dsi_requestid, tvb, 2, 2, dsi_requestid); switch (dsi_flags) { case DSIFL_REQUEST: proto_tree_add_int(dsi_tree, hf_dsi_offset, tvb, 4, 4, dsi_code); break; case DSIFL_REPLY: proto_tree_add_int(dsi_tree, hf_dsi_error, tvb, 4, 4, dsi_code); break; } proto_tree_add_uint_format(dsi_tree, hf_dsi_length, tvb, 8, 4, dsi_length, "Length: %u bytes", dsi_length); proto_tree_add_uint(dsi_tree, hf_dsi_reserved, tvb, 12, 4, dsi_reserved); } else dsi_tree = tree; switch (dsi_command) { case DSIFUNC_OPEN: if (tree) { dissect_dsi_open_session(tvb, dsi_tree, DSI_BLOCKSIZ); } break; case DSIFUNC_ATTN: if (tree) { dissect_dsi_attention(tvb, dsi_tree, DSI_BLOCKSIZ); } break; case DSIFUNC_STAT: if (tree && (dsi_flags == DSIFL_REPLY)) { dissect_dsi_reply_get_status(tvb, dsi_tree, DSI_BLOCKSIZ); } break; case DSIFUNC_CMD: case DSIFUNC_WRITE: { tvbuff_t *new_tvb; int len = tvb_reported_length_remaining(tvb,DSI_BLOCKSIZ); aspinfo.reply = (dsi_flags == DSIFL_REPLY); aspinfo.command = dsi_command; aspinfo.seq = dsi_requestid; aspinfo.code = dsi_code; pinfo->private_data = &aspinfo; proto_item_set_len(dsi_tree, DSI_BLOCKSIZ); new_tvb = tvb_new_subset(tvb, DSI_BLOCKSIZ,-1,len); call_dissector(afp_handle, new_tvb, pinfo, tree); } break; default: if (tree) { call_dissector(data_handle, tvb_new_subset(tvb, DSI_BLOCKSIZ, -1, -1), pinfo, dsi_tree); } break; } } static guint get_dsi_pdu_len(tvbuff_t *tvb, int offset) { guint32 plen; /* * Get the length of the DSI packet. */ plen = tvb_get_ntohl(tvb, offset+8); /* * That length doesn't include the length of the header itself; * add that in. */ return plen + 16; } static void dissect_dsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { tcp_dissect_pdus(tvb, pinfo, tree, dsi_desegment, 12, get_dsi_pdu_len, dissect_dsi_packet); } void proto_register_dsi(void) { static hf_register_info hf[] = { { &hf_dsi_flags, { "Flags", "dsi.flags", FT_UINT8, BASE_HEX, VALS(flag_vals), 0x0, "Indicates request or reply.", HFILL }}, { &hf_dsi_command, { "Command", "dsi.command", FT_UINT8, BASE_DEC, VALS(func_vals), 0x0, "Represents a DSI command.", HFILL }}, { &hf_dsi_requestid, { "Request ID", "dsi.requestid", FT_UINT16, BASE_DEC, NULL, 0x0, "Keeps track of which request this is. Replies must match a Request. IDs must be generated in sequential order.", HFILL }}, { &hf_dsi_offset, { "Data offset", "dsi.data_offset", FT_INT32, BASE_DEC, NULL, 0x0, "Data offset", HFILL }}, { &hf_dsi_error, { "Error code", "dsi.error_code", FT_INT32, BASE_DEC, VALS(asp_error_vals), 0x0, "Error code", HFILL }}, { &hf_dsi_length, { "Length", "dsi.length", FT_UINT32, BASE_DEC, NULL, 0x0, "Total length of the data that follows the DSI header.", HFILL }}, { &hf_dsi_reserved, { "Reserved", "dsi.reserved", FT_UINT32, BASE_HEX, NULL, 0x0, "Reserved for future use. Should be set to zero.", HFILL }}, /* asp , afp */ { &hf_dsi_utf8_server_name_len, { "Length", "dsi.utf8_server_name_len", FT_UINT16, BASE_DEC, NULL, 0x0, "UTF8 server name length.", HFILL }}, { &hf_dsi_utf8_server_name, { "UTF8 Server name", "dsi.utf8_server_name", FT_STRING, BASE_NONE, NULL, 0x0, "UTF8 Server name", HFILL }}, { &hf_dsi_server_name, { "Server name", "dsi.server_name", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "Server name", HFILL }}, { &hf_dsi_server_type, { "Server type", "dsi.server_type", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "Server type", HFILL }}, { &hf_dsi_server_vers, { "AFP version", "dsi.server_vers", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "AFP version", HFILL }}, { &hf_dsi_server_uams, { "UAM", "dsi.server_uams", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "UAM", HFILL }}, { &hf_dsi_server_icon, { "Icon bitmap", "dsi.server_icon", FT_BYTES, BASE_HEX, NULL, 0x0, "Server icon bitmap", HFILL }}, { &hf_dsi_server_directory, { "Directory service", "dsi.server_directory", FT_UINT_STRING, BASE_NONE, NULL, 0x0, "Server directory service", HFILL }}, { &hf_dsi_server_signature, { "Server signature", "dsi.server_signature", FT_BYTES, BASE_HEX, NULL, 0x0, "Server signature", HFILL }}, { &hf_dsi_server_flag, { "Flag", "dsi.server_flag", FT_UINT16, BASE_HEX, NULL, 0x0, "Server capabilities flag", HFILL }}, { &hf_dsi_server_flag_copyfile, { "Support copyfile", "dsi.server_flag.copyfile", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_COPY, "Server support copyfile", HFILL }}, { &hf_dsi_server_flag_passwd, { "Support change password", "dsi.server_flag.passwd", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_PASSWD, "Server support change password", HFILL }}, { &hf_dsi_server_flag_no_save_passwd, { "Don't allow save password", "dsi.server_flag.no_save_passwd", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_NOSAVEPASSWD, "Don't allow save password", HFILL }}, { &hf_dsi_server_flag_srv_msg, { "Support server message", "dsi.server_flag.srv_msg", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVMSGS, "Support server message", HFILL }}, { &hf_dsi_server_flag_srv_sig, { "Support server signature", "dsi.server_flag.srv_sig", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVSIGNATURE, "Support server signature", HFILL }}, { &hf_dsi_server_flag_tcpip, { "Support TCP/IP", "dsi.server_flag.tcpip", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_TCPIP, "Server support TCP/IP", HFILL }}, { &hf_dsi_server_flag_notify, { "Support server notifications", "dsi.server_flag.notify", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVNOTIFY, "Server support notifications", HFILL }}, { &hf_dsi_server_flag_reconnect, { "Support server reconnect", "dsi.server_flag.reconnect", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVRECONNECT, "Server support reconnect", HFILL }}, { &hf_dsi_server_flag_directory, { "Support directory services", "dsi.server_flag.directory", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVDIRECTORY, "Server support directory services", HFILL }}, { &hf_dsi_server_flag_utf8_name, { "Support UTF8 server name", "dsi.server_flag.utf8_name", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVUTF8, "Server support UTF8 server name", HFILL }}, { &hf_dsi_server_flag_fast_copy, { "Support fast copy", "dsi.server_flag.fast_copy", FT_BOOLEAN, 16, NULL, AFPSRVRINFO_FASTBOZO, "Server support fast copy", HFILL }}, { &hf_dsi_server_addr_len, { "Length", "dsi.server_addr.len", FT_UINT8, BASE_DEC, NULL, 0x0, "Address length.", HFILL }}, { &hf_dsi_server_addr_type, { "Type", "dsi.server_addr.type", FT_UINT8, BASE_DEC, VALS(afp_server_addr_type_vals), 0x0, "Address type.", HFILL }}, { &hf_dsi_server_addr_value, { "Value", "dsi.server_addr.value", FT_BYTES, BASE_HEX, NULL, 0x0, "Address value", HFILL }}, { &hf_dsi_open_type, { "Flags", "dsi.open_type", FT_UINT8, BASE_DEC, VALS(dsi_open_type_vals), 0x0, "Open session option type.", HFILL }}, { &hf_dsi_open_len, { "Length", "dsi.open_len", FT_UINT8, BASE_DEC, NULL, 0x0, "Open session option len", HFILL }}, { &hf_dsi_open_quantum, { "Quantum", "dsi.open_quantum", FT_UINT32, BASE_DEC, NULL, 0x0, "Server/Attention quantum", HFILL }}, { &hf_dsi_open_option, { "Option", "dsi.open_option", FT_BYTES, BASE_HEX, NULL, 0x0, "Open session options (undecoded)", HFILL }}, { &hf_dsi_attn_flag, { "Flags", "dsi.attn_flag", FT_UINT16, BASE_HEX, VALS(dsi_attn_flag_vals), 0xf000, "Server attention flag", HFILL }}, { &hf_dsi_attn_flag_shutdown, { "Shutdown", "dsi.attn_flag.shutdown", FT_BOOLEAN, 16, NULL, 1<<15, "Attention flag, server is shutting down", HFILL }}, { &hf_dsi_attn_flag_crash, { "Crash", "dsi.attn_flag.crash", FT_BOOLEAN, 16, NULL, 1<<14, "Attention flag, server crash bit", HFILL }}, { &hf_dsi_attn_flag_msg, { "Message", "dsi.attn_flag.msg", FT_BOOLEAN, 16, NULL, 1<<13, "Attention flag, server message bit", HFILL }}, { &hf_dsi_attn_flag_reconnect, { "Don't reconnect", "dsi.attn_flag.reconnect", FT_BOOLEAN, 16, NULL, 1<<12, "Attention flag, don't reconnect bit", HFILL }}, { &hf_dsi_attn_flag_time, { "Minutes", "dsi.attn_flag.time", FT_UINT16, BASE_DEC, NULL, 0xfff, "Number of minutes", HFILL }}, { &hf_dsi_attn_flag_bitmap, { "Bitmap", "dsi.attn_flag.time", FT_UINT16, BASE_HEX, NULL, 0xfff, "Attention extended bitmap", HFILL }}, }; static gint *ett[] = { &ett_dsi, &ett_dsi_open, &ett_dsi_attn, &ett_dsi_attn_flag, /* asp afp */ &ett_dsi_status, &ett_dsi_status_server_flag, &ett_dsi_vers, &ett_dsi_uams, &ett_dsi_addr, &ett_dsi_addr_line, &ett_dsi_directory, &ett_dsi_utf8_name, }; module_t *dsi_module; proto_dsi = proto_register_protocol("Data Stream Interface", "DSI", "dsi"); proto_register_field_array(proto_dsi, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); dsi_module = prefs_register_protocol(proto_dsi, NULL); prefs_register_bool_preference(dsi_module, "desegment", "Desegment all DSI messages spanning multiple TCP segments", "Whether the DSI dissector should desegment all messages spanning multiple TCP segments", &dsi_desegment); } void proto_reg_handoff_dsi(void) { static dissector_handle_t dsi_handle; dsi_handle = create_dissector_handle(dissect_dsi, proto_dsi); dissector_add("tcp.port", TCP_PORT_DSI, dsi_handle); data_handle = find_dissector("data"); afp_handle = find_dissector("afp"); }