/* packet-osc.c * Routines for "Open Sound Control" packet dissection * Copyright 2014 Hanspeter Portner * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ /* * Specification 1.0 (http://opensoundcontrol.org/spec-1_0) * - based on default argument types: i,f,s,b * - including widely used extension types: T,F,N,I,h,d,t,S,c,r,m */ #include "config.h" #include #include #include #include "packet-tcp.h" void proto_register_osc(void); void proto_reg_handoff_osc(void); /* Open Sound Control (OSC) argument types enumeration */ typedef enum _OSC_Type { OSC_INT32 = 'i', OSC_FLOAT = 'f', OSC_STRING = 's', OSC_BLOB = 'b', OSC_TRUE = 'T', OSC_FALSE = 'F', OSC_NIL = 'N', OSC_BANG = 'I', OSC_INT64 = 'h', OSC_DOUBLE = 'd', OSC_TIMETAG = 't', OSC_SYMBOL = 'S', OSC_CHAR = 'c', OSC_RGBA = 'r', OSC_MIDI = 'm' } OSC_Type; /* characters not allowed in OSC path string */ static const char invalid_path_chars [] = { ' ', '#', '\0' }; /* allowed characters in OSC format string */ static const char valid_format_chars [] = { OSC_INT32, OSC_FLOAT, OSC_STRING, OSC_BLOB, OSC_TRUE, OSC_FALSE, OSC_NIL, OSC_BANG, OSC_INT64, OSC_DOUBLE, OSC_TIMETAG, OSC_SYMBOL, OSC_CHAR, OSC_RGBA, OSC_MIDI, '\0' }; #define MIDI_STATUS_CONTROLLER 0xB0 /* Standard MIDI Message Type */ static const value_string MIDI_status [] = { { 0x00, "Invalid Message" }, { 0x80, "Note Off" }, { 0x90, "Note On" }, { 0xA0, "Note Pressure" }, { MIDI_STATUS_CONTROLLER, "Controller" }, { 0xC0, "Program Change" }, { 0xD0, "Channel Pressure" }, { 0xE0, "Pitch Bender" }, { 0xF0, "System Exclusive Begin" }, { 0xF1, "MTC Quarter Frame" }, { 0xF2, "Song Position" }, { 0xF3, "Song Select" }, { 0xF6, "Tune Request" }, { 0xF8, "Clock" }, { 0xFA, "Start" }, { 0xFB, "Continue" }, { 0xFC, "Stop" }, { 0xFE, "Active Sensing" }, { 0xFF, "Reset" }, {0, NULL } }; static value_string_ext MIDI_status_ext = VALUE_STRING_EXT_INIT(MIDI_status); /* Standard MIDI Controller Numbers */ static const value_string MIDI_control [] = { { 0x00, "Bank Selection" }, { 0x01, "Modulation" }, { 0x02, "Breath" }, { 0x04, "Foot" }, { 0x05, "Portamento Time" }, { 0x06, "Data Entry" }, { 0x07, "Main Volume" }, { 0x08, "Balance" }, { 0x0A, "Panpot" }, { 0x0B, "Expression" }, { 0x0C, "Effect1" }, { 0x0D, "Effect2" }, { 0x10, "General Purpose 1" }, { 0x11, "General Purpose 2" }, { 0x12, "General Purpose 3" }, { 0x13, "General Purpose 4" }, { 0x20, "Bank Selection" }, { 0x21, "Modulation" }, { 0x22, "Breath" }, { 0x24, "Foot" }, { 0x25, "Portamento Time" }, { 0x26, "Data Entry" }, { 0x27, "Main Volume" }, { 0x28, "Balance" }, { 0x2A, "Panpot" }, { 0x2B, "Expression" }, { 0x2C, "Effect1" }, { 0x2D, "Effect2" }, { 0x30, "General Purpose 1" }, { 0x31, "General Purpose 2" }, { 0x32, "General Purpose 3" }, { 0x33, "General Purpose 4" }, { 0x40, "Sustain Pedal" }, { 0x41, "Portamento" }, { 0x42, "Sostenuto" }, { 0x43, "Soft Pedal" }, { 0x44, "Legato Foot Switch" }, { 0x45, "Hold2" }, { 0x46, "SC1 Sound Variation" }, { 0x47, "SC2 Timbre" }, { 0x48, "SC3 Release Time" }, { 0x49, "SC4 Attack Time" }, { 0x4A, "SC5 Brightness" }, { 0x4B, "SC6" }, { 0x4C, "SC7" }, { 0x4D, "SC8" }, { 0x4E, "SC9" }, { 0x4F, "SC10" }, { 0x50, "General Purpose 5" }, { 0x51, "General Purpose 6" }, { 0x52, "General Purpose 7" }, { 0x53, "General Purpose 8" }, { 0x54, "Portamento Control" }, { 0x5B, "E1 Reverb Depth" }, { 0x5C, "E2 Tremolo Depth" }, { 0x5D, "E3 Chorus Depth" }, { 0x5E, "E4 Detune Depth" }, { 0x5F, "E5 Phaser Depth" }, { 0x60, "Data Increment" }, { 0x61, "Data Decrement" }, { 0x62, "Non-registered Parameter Number" }, { 0x63, "Non-registered Parameter Number" }, { 0x64, "Registered Parameter Number" }, { 0x65, "Registered Parameter Number" }, { 0x78, "All Sounds Off" }, { 0x79, "Reset Controllers" }, { 0x7A, "Local Control Switch" }, { 0x7B, "All Notes Off" }, { 0x7C, "Omni Off" }, { 0x7D, "Omni On" }, { 0x7E, "Mono1" }, { 0x7F, "Mono2" }, { 0, NULL } }; static value_string_ext MIDI_control_ext = VALUE_STRING_EXT_INIT(MIDI_control); static const char *immediate_fmt = "%s"; static const char *immediate_str = "Immediate"; static const char *bundle_str = "#bundle"; /* Preference */ static guint global_osc_tcp_port = 0; /* Initialize the protocol and registered fields */ static dissector_handle_t osc_udp_handle = NULL; static int proto_osc = -1; static int hf_osc_bundle_type = -1; static int hf_osc_message_type = -1; static int hf_osc_message_header_type = -1; static int hf_osc_message_blob_type = -1; static int hf_osc_message_midi_type = -1; static int hf_osc_message_rgba_type = -1; static int hf_osc_bundle_timetag_type = -1; static int hf_osc_bundle_element_size_type = -1; static int hf_osc_message_path_type = -1; static int hf_osc_message_format_type = -1; static int hf_osc_message_int32_type = -1; static int hf_osc_message_float_type = -1; static int hf_osc_message_string_type = -1; static int hf_osc_message_blob_size_type = -1; static int hf_osc_message_blob_data_type = -1; static int hf_osc_message_true_type = -1; static int hf_osc_message_false_type = -1; static int hf_osc_message_nil_type = -1; static int hf_osc_message_bang_type = -1; static int hf_osc_message_int64_type = -1; static int hf_osc_message_double_type = -1; static int hf_osc_message_timetag_type = -1; static int hf_osc_message_symbol_type = -1; static int hf_osc_message_char_type = -1; static int hf_osc_message_rgba_red_type = -1; static int hf_osc_message_rgba_green_type = -1; static int hf_osc_message_rgba_blue_type = -1; static int hf_osc_message_rgba_alpha_type = -1; static int hf_osc_message_midi_channel_type = -1; static int hf_osc_message_midi_status_type = -1; static int hf_osc_message_midi_data1_type = -1; static int hf_osc_message_midi_data2_type = -1; static int hf_osc_message_midi_controller_type = -1; static int hf_osc_message_midi_value_type = -1; /* Initialize the subtree pointers */ static int ett_osc_packet = -1; static int ett_osc_bundle = -1; static int ett_osc_message = -1; static int ett_osc_message_header = -1; static int ett_osc_blob = -1; static int ett_osc_rgba = -1; static int ett_osc_midi = -1; /* check for valid path string */ static gboolean is_valid_path(const char *path) { const char *ptr; if(path[0] != '/') return FALSE; for(ptr=path+1; *ptr!='\0'; ptr++) if( (g_ascii_isprint(*ptr) == 0) || (strchr(invalid_path_chars, *ptr) != NULL) ) return FALSE; return TRUE; } /* check for valid format string */ static gboolean is_valid_format(const char *format) { const char *ptr; if(format[0] != ',') return FALSE; for(ptr=format+1; *ptr!='\0'; ptr++) if(strchr(valid_format_chars, *ptr) == NULL) return FALSE; return TRUE; } /* Dissect OSC message */ static int dissect_osc_message(tvbuff_t *tvb, proto_item *ti, proto_tree *osc_tree, gint offset, gint len) { proto_tree *message_tree; proto_tree *header_tree; gint slen; gint rem; gint end = offset + len; const gchar *path; gint path_len; gint path_offset; const gchar *format; gint format_offset; gint format_len; const gchar *ptr; /* peek/read path */ path_offset = offset; path = tvb_get_const_stringz(tvb, path_offset, &path_len); if( (rem = path_len%4) ) path_len += 4-rem; if(!is_valid_path(path)) return -1; /* peek/read fmt */ format_offset = path_offset + path_len; format = tvb_get_const_stringz(tvb, format_offset, &format_len); if( (rem = format_len%4) ) format_len += 4-rem; if(!is_valid_format(format)) return -1; /* create message */ ti = proto_tree_add_none_format(osc_tree, hf_osc_message_type, tvb, offset, len, "Message: %s %s", path, format); message_tree = proto_item_add_subtree(ti, ett_osc_message); /* append header */ ti = proto_tree_add_item(message_tree, hf_osc_message_header_type, tvb, offset, path_len+format_len, ENC_NA); header_tree = proto_item_add_subtree(ti, ett_osc_message_header); /* append path */ proto_tree_add_item(header_tree, hf_osc_message_path_type, tvb, path_offset, path_len, ENC_ASCII | ENC_NA); /* append format */ proto_tree_add_item(header_tree, hf_osc_message_format_type, tvb, format_offset, format_len, ENC_ASCII | ENC_NA); offset += path_len + format_len; /* ::parse argument:: */ ptr = format + 1; /* skip ',' */ while( (*ptr != '\0') && (offset < end) ) { switch(*ptr) { case OSC_INT32: proto_tree_add_item(message_tree, hf_osc_message_int32_type, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; break; case OSC_FLOAT: proto_tree_add_item(message_tree, hf_osc_message_float_type, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; break; case OSC_STRING: slen = tvb_strsize(tvb, offset); if( (rem = slen%4) ) slen += 4-rem; proto_tree_add_item(message_tree, hf_osc_message_string_type, tvb, offset, slen, ENC_ASCII | ENC_NA); offset += slen; break; case OSC_BLOB: { proto_item *bi; proto_tree *blob_tree; gint32 blen = tvb_get_ntohl(tvb, offset); slen = blen; if( (rem = slen%4) ) slen += 4-rem; bi = proto_tree_add_none_format(message_tree, hf_osc_message_blob_type, tvb, offset, 4+slen, "Blob: %i bytes", blen); blob_tree = proto_item_add_subtree(bi, ett_osc_blob); proto_tree_add_int_format_value(blob_tree, hf_osc_message_blob_size_type, tvb, offset, 4, blen, "%i bytes", blen); offset += 4; /* check for zero length blob */ if(blen == 0) break; proto_tree_add_item(blob_tree, hf_osc_message_blob_data_type, tvb, offset, slen, ENC_NA); offset += slen; break; } case OSC_TRUE: proto_tree_add_item(message_tree, hf_osc_message_true_type, tvb, offset, 0, ENC_NA); break; case OSC_FALSE: proto_tree_add_item(message_tree, hf_osc_message_false_type, tvb, offset, 0, ENC_NA); break; case OSC_NIL: proto_tree_add_item(message_tree, hf_osc_message_nil_type, tvb, offset, 0, ENC_NA); break; case OSC_BANG: proto_tree_add_item(message_tree, hf_osc_message_bang_type, tvb, offset, 0, ENC_NA); break; case OSC_INT64: proto_tree_add_item(message_tree, hf_osc_message_int64_type, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; break; case OSC_DOUBLE: proto_tree_add_item(message_tree, hf_osc_message_double_type, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; break; case OSC_TIMETAG: { guint32 sec = tvb_get_ntohl(tvb, offset); guint32 frac = tvb_get_ntohl(tvb, offset+4); nstime_t ns; if( (sec == 0) && (frac == 1) ) proto_tree_add_time_format_value(message_tree, hf_osc_message_timetag_type, tvb, offset, 8, &ns, immediate_fmt, immediate_str); else proto_tree_add_item(message_tree, hf_osc_message_timetag_type, tvb, offset, 8, ENC_TIME_NTP | ENC_BIG_ENDIAN); offset += 8; } break; case OSC_SYMBOL: slen = tvb_strsize(tvb, offset); if( (rem = slen%4) ) slen += 4-rem; proto_tree_add_item(message_tree, hf_osc_message_symbol_type, tvb, offset, slen, ENC_ASCII | ENC_NA); offset += slen; break; case OSC_CHAR: offset += 3; proto_tree_add_item(message_tree, hf_osc_message_char_type, tvb, offset, 1, ENC_ASCII | ENC_NA); offset += 1; break; case OSC_RGBA: { proto_item *ri; proto_tree *rgba_tree; ri = proto_tree_add_item(message_tree, hf_osc_message_rgba_type, tvb, offset, 4, ENC_BIG_ENDIAN); rgba_tree = proto_item_add_subtree(ri, ett_osc_rgba); proto_tree_add_item(rgba_tree, hf_osc_message_rgba_red_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(rgba_tree, hf_osc_message_rgba_green_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(rgba_tree, hf_osc_message_rgba_blue_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(rgba_tree, hf_osc_message_rgba_alpha_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; } case OSC_MIDI: { const gchar *status_str; proto_item *mi = NULL; proto_tree *midi_tree; guint8 channel; guint8 status; guint8 data1; guint8 data2; channel = tvb_get_guint8(tvb, offset); status = tvb_get_guint8(tvb, offset+1); data1 = tvb_get_guint8(tvb, offset+2); data2 = tvb_get_guint8(tvb, offset+3); status_str = val_to_str_ext_const(status, &MIDI_status_ext, "Unknown"); if(status == MIDI_STATUS_CONTROLLER) /* MIDI Controller */ { const gchar *control_str; control_str = val_to_str_ext_const(data1, &MIDI_control_ext, "Unknown"); mi = proto_tree_add_none_format(message_tree, hf_osc_message_midi_type, tvb, offset, 4, "MIDI: Channel %2i, %s (0x%02x), %s (0x%02x), 0x%02x", channel, status_str, status, control_str, data1, data2); } else { mi = proto_tree_add_none_format(message_tree, hf_osc_message_midi_type, tvb, offset, 4, "MIDI: Channel %2i, %s (0x%02x), 0x%02x, 0x%02x", channel, status_str, status, data1, data2); } midi_tree = proto_item_add_subtree(mi, ett_osc_midi); proto_tree_add_item(midi_tree, hf_osc_message_midi_channel_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(midi_tree, hf_osc_message_midi_status_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if(status == MIDI_STATUS_CONTROLLER) { proto_tree_add_item(midi_tree, hf_osc_message_midi_controller_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(midi_tree, hf_osc_message_midi_value_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } else { proto_tree_add_item(midi_tree, hf_osc_message_midi_data1_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(midi_tree, hf_osc_message_midi_data2_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } break; } default: /* if we get here, there must be a bug in the dissector */ DISSECTOR_ASSERT_NOT_REACHED(); break; } ptr++; } if(offset != end) return -1; else return 0; } /* Dissect OSC bundle */ static int dissect_osc_bundle(tvbuff_t *tvb, proto_item *ti, proto_tree *osc_tree, gint offset, gint len) { proto_tree *bundle_tree; gint end = offset + len; guint32 sec; guint32 frac; nstime_t ns; /* check for valid #bundle */ if(tvb_strneql(tvb, offset, bundle_str, 8) != 0) return -1; /* create bundle */ ti = proto_tree_add_item(osc_tree, hf_osc_bundle_type, tvb, offset, len, ENC_NA); bundle_tree = proto_item_add_subtree(ti, ett_osc_bundle); offset += 8; /* skip bundle_str */ /* read timetag */ sec = tvb_get_ntohl(tvb, offset); frac = tvb_get_ntohl(tvb, offset+4); if( (sec == 0) && (frac == 1) ) proto_tree_add_time_format_value(bundle_tree, hf_osc_bundle_timetag_type, tvb, offset, 8, &ns, immediate_fmt, immediate_str); else proto_tree_add_item(bundle_tree, hf_osc_bundle_timetag_type, tvb, offset, 8, ENC_TIME_NTP | ENC_BIG_ENDIAN); offset += 8; /* ::read size, read block:: */ while(offset < end) { /* peek bundle element size */ gint32 size = tvb_get_ntohl(tvb, offset); /* read bundle element size */ proto_tree_add_int_format_value(bundle_tree, hf_osc_bundle_element_size_type, tvb, offset, 4, size, "%i bytes", size); offset += 4; /* check for zero size bundle element */ if(size == 0) continue; /* peek first bundle element char */ switch(tvb_get_guint8(tvb, offset)) { case '#': /* this is a bundle */ if(dissect_osc_bundle(tvb, ti, bundle_tree, offset, size)) return -1; else break; case '/': /* this is a message */ if(dissect_osc_message(tvb, ti, bundle_tree, offset, size)) return -1; else break; default: return -1; /* neither message nor bundle */ } /* check for integer overflow */ if(size > G_MAXINT - offset) return -1; else offset += size; } if(offset != end) return -1; else return 0; } /* Dissect OSC PDU */ static void dissect_osc_pdu_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_, gint offset, gint len) { col_set_str(pinfo->cinfo, COL_PROTOCOL, "OSC"); col_clear(pinfo->cinfo, COL_INFO); if(tree) /* we are being asked for details */ { proto_item *ti; proto_tree *osc_tree; /* create OSC packet */ ti = proto_tree_add_item(tree, proto_osc, tvb, 0, -1, ENC_NA); osc_tree = proto_item_add_subtree(ti, ett_osc_packet); /* peek first bundle element char */ switch(tvb_get_guint8(tvb, offset)) { case '#': /* this is a bundle */ if(dissect_osc_bundle(tvb, ti, osc_tree, offset, len)) return; else break; case '/': /* this is a message */ if(dissect_osc_message(tvb, ti, osc_tree, offset, len)) return; else break; default: /* neither message nor bundle */ return; } } } /* OSC TCP */ static guint get_osc_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset) { return tvb_get_ntohl(tvb, offset) + 4; } static int dissect_osc_tcp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { gint pdu_len; pdu_len = tvb_get_ntohl(tvb, 0); dissect_osc_pdu_common(tvb, pinfo, tree, data, 4, pdu_len); return pdu_len; } static int dissect_osc_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { tcp_dissect_pdus(tvb, pinfo, tree, TRUE, 4, get_osc_pdu_len, dissect_osc_tcp_pdu, data); return tvb_reported_length(tvb); } /* OSC UDP */ static int dissect_osc_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { gint pdu_len; pdu_len = tvb_reported_length(tvb); dissect_osc_pdu_common(tvb,pinfo, tree, data, 0, pdu_len); return pdu_len; } /* UDP Heuristic */ static gboolean dissect_osc_heur_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { conversation_t *conversation; if(tvb_captured_length(tvb) < 8) return FALSE; /* peek first string */ if(tvb_strneql(tvb, 0, bundle_str, 8) != 0) /* no OSC bundle */ { gint offset = 0; gint slen; gint rem; const gchar *str; volatile gboolean valid = FALSE; /* Check for valid path */ /* Don't propagate any exceptions upwards during heuristics check */ /* XXX: this check is a bit expensive; Consider: use UDP port pref ? */ TRY { str = tvb_get_const_stringz(tvb, offset, &slen); if(is_valid_path(str)) { /* skip path */ if( (rem = slen%4) ) slen += 4-rem; offset += slen; /* peek next string */ str = tvb_get_const_stringz(tvb, offset, &slen); /* check for valid format */ if(is_valid_format(str)) valid = TRUE; } } CATCH_ALL { valid = FALSE; } ENDTRY; if(! valid) return FALSE; } /* if we get here, then it's an Open Sound Control packet (bundle or message) */ /* specify that dissect_osc is to be called directly from now on for packets for this connection */ conversation = find_or_create_conversation(pinfo); conversation_set_dissector(conversation, osc_udp_handle); /* do the dissection */ dissect_osc_udp(tvb, pinfo, tree, data); return TRUE; /* OSC heuristics was matched */ } /* Register the protocol with Wireshark */ void proto_register_osc(void) { static hf_register_info hf[] = { { &hf_osc_bundle_type, { "Bundle", "osc.bundle", FT_NONE, BASE_NONE, NULL, 0x0, "Bundle structure", HFILL } }, { &hf_osc_bundle_timetag_type, { "Timetag", "osc.bundle.timetag", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, "Scheduled bundle execution time", HFILL } }, { &hf_osc_bundle_element_size_type, { "Size", "osc.bundle.element.size", FT_INT32, BASE_DEC, NULL, 0x0, "Bundle element size", HFILL } }, { &hf_osc_message_type, { "Message", "osc.message", FT_NONE, BASE_NONE, NULL, 0x0, "Message structure", HFILL } }, { &hf_osc_message_header_type, { "Header", "osc.message.header", FT_NONE, BASE_NONE, NULL, 0x0, "Message header", HFILL } }, { &hf_osc_message_path_type, { "Path", "osc.message.header.path", FT_STRING, BASE_NONE, NULL, 0x0, "Message path", HFILL } }, { &hf_osc_message_format_type, { "Format", "osc.message.header.format", FT_STRING, BASE_NONE, NULL, 0x0, "Message format", HFILL } }, { &hf_osc_message_int32_type, { "Int32", "osc.message.int32", FT_INT32, BASE_DEC, NULL, 0x0, "32bit integer value", HFILL } }, { &hf_osc_message_float_type, { "Float", "osc.message.float", FT_FLOAT, BASE_NONE, NULL, 0x0, "Floating point value", HFILL } }, { &hf_osc_message_string_type, { "String", "osc.message.string", FT_STRING, BASE_NONE, NULL, 0x0, "String value", HFILL } }, { &hf_osc_message_blob_type, { "Blob", "osc.message.blob", FT_NONE, BASE_NONE, NULL, 0x0, "Binary blob value", HFILL } }, { &hf_osc_message_blob_size_type, { "Size", "osc.message.blob.size", FT_INT32, BASE_DEC, NULL, 0x0, "Binary blob size", HFILL } }, { &hf_osc_message_blob_data_type, { "Data", "osc.message.blob.data", FT_BYTES, BASE_NONE, NULL, 0x0, "Binary blob data", HFILL } }, { &hf_osc_message_true_type, { "True", "osc.message.true", FT_NONE, BASE_NONE, NULL, 0x0, "Boolean true value", HFILL } }, { &hf_osc_message_false_type, { "False", "osc.message.false", FT_NONE, BASE_NONE, NULL, 0x0, "Boolean false value", HFILL } }, { &hf_osc_message_nil_type, { "Nil", "osc.message.nil", FT_NONE, BASE_NONE, NULL, 0x0, "Nil value", HFILL } }, { &hf_osc_message_bang_type, { "Bang", "osc.message.bang", FT_NONE, BASE_NONE, NULL, 0x0, "Infinity, Impulse or Bang value", HFILL } }, { &hf_osc_message_int64_type, { "Int64", "osc.message.int64", FT_INT64, BASE_DEC, NULL, 0x0, "64bit integer value", HFILL } }, { &hf_osc_message_double_type, { "Double", "osc.message.double", FT_DOUBLE, BASE_NONE, NULL, 0x0, "Double value", HFILL } }, { &hf_osc_message_timetag_type, { "Timetag", "osc.message.timetag", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, "NTP time value", HFILL } }, { &hf_osc_message_symbol_type, { "Symbol", "osc.message.symbol", FT_STRING, BASE_NONE, NULL, 0x0, "Symbol value", HFILL } }, { &hf_osc_message_char_type, { "Char", "osc.message.char", FT_STRING, BASE_NONE, NULL, 0x0, "Character value", HFILL } }, { &hf_osc_message_rgba_type, { "RGBA", "osc.message.rgba", FT_UINT32, BASE_HEX, NULL, 0x0, "RGBA color value", HFILL } }, { &hf_osc_message_rgba_red_type, { "Red", "osc.message.rgba.red", FT_UINT8, BASE_DEC, NULL, 0x0, "Red color component", HFILL } }, { &hf_osc_message_rgba_green_type, { "Green", "osc.message.rgba.green", FT_UINT8, BASE_DEC, NULL, 0x0, "Green color component", HFILL } }, { &hf_osc_message_rgba_blue_type, { "Blue", "osc.message.rgba.blue", FT_UINT8, BASE_DEC, NULL, 0x0, "Blue color component", HFILL } }, { &hf_osc_message_rgba_alpha_type, { "Alpha", "osc.message.rgba.alpha", FT_UINT8, BASE_DEC, NULL, 0x0, "Alpha transparency component", HFILL } }, { &hf_osc_message_midi_type, { "MIDI", "osc.message.midi", FT_NONE, BASE_NONE, NULL, 0x0, "MIDI value", HFILL } }, { &hf_osc_message_midi_channel_type, { "Channel", "osc.message.midi.channel", FT_UINT8, BASE_DEC, NULL, 0x0, "MIDI channel", HFILL } }, { &hf_osc_message_midi_status_type, { "Status", "osc.message.midi.status", FT_UINT8, BASE_HEX | BASE_EXT_STRING, &MIDI_status_ext, 0x0, "MIDI status message", HFILL } }, { &hf_osc_message_midi_data1_type, { "Data1", "osc.message.midi.data1", FT_UINT8, BASE_HEX, NULL, 0x0, "MIDI data value 1", HFILL } }, { &hf_osc_message_midi_data2_type, { "Data2", "osc.message.midi.data2", FT_UINT8, BASE_HEX, NULL, 0x0, "MIDI data value 2", HFILL } }, { &hf_osc_message_midi_controller_type, { "Controller", "osc.message.midi.controller", FT_UINT8, BASE_HEX | BASE_EXT_STRING, &MIDI_control_ext, 0x0, "MIDI controller message", HFILL } }, { &hf_osc_message_midi_value_type, { "Value", "osc.message.midi.value", FT_UINT8, BASE_HEX, NULL, 0x0, "MIDI controller value", HFILL } } }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_osc_packet, &ett_osc_bundle, &ett_osc_message, &ett_osc_message_header, &ett_osc_blob, &ett_osc_rgba, &ett_osc_midi }; module_t *osc_module; proto_osc = proto_register_protocol("Open Sound Control Protocol", "OSC", "osc"); proto_register_field_array(proto_osc, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); osc_module = prefs_register_protocol(proto_osc, proto_reg_handoff_osc); prefs_register_uint_preference(osc_module, "tcp.port", "OSC TCP Port", "Set the TCP port for OSC", 10, &global_osc_tcp_port); } void proto_reg_handoff_osc(void) { static dissector_handle_t osc_tcp_handle; static guint osc_tcp_port; static gboolean initialized = FALSE; if(! initialized) { osc_tcp_handle = new_create_dissector_handle(dissect_osc_tcp, proto_osc); /* register for "decode as" for TCP connections */ dissector_add_for_decode_as("tcp.port", osc_tcp_handle); /* XXX: Add port pref and "decode as" for UDP ? */ /* (The UDP heuristic is a bit expensive */ osc_udp_handle = new_create_dissector_handle(dissect_osc_udp, proto_osc); /* register as heuristic dissector for UDP connections */ heur_dissector_add("udp", dissect_osc_heur_udp, proto_osc); initialized = TRUE; } else { if(osc_tcp_port != 0) dissector_delete_uint("tcp.port", osc_tcp_port, osc_tcp_handle); } osc_tcp_port = global_osc_tcp_port; if(osc_tcp_port != 0) dissector_add_uint("tcp.port", osc_tcp_port, osc_tcp_handle); } /* * Editor modelines - http://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */