wireshark/epan/dissectors/packet-ar_drone.c

785 lines
26 KiB
C

/* packet-ar_drone.c
* Routines for AR ar_drone protocol packet disassembly
* By Paul Hoisington <hoisingtonp@bit-sys.com>,
* Tom Hildesheim <hildesheimt@bit-sys.com>,
* and Claire Brantley <brantleyc@bit-sys.com>
* Copyright 2012 BIT Systems
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/expert.h>
void proto_register_ar_drone(void);
void proto_reg_handoff_ar_drone(void);
/* ************************************************ */
/* Begin static variable declaration/initialization */
/* ************************************************ */
/* ar_drone Protocol */
static int proto_ar_drone = -1;
/* Headers */
static int hf_command = -1;
static int hf_PCMD_id = -1;
static int hf_PCMD_flag = -1;
static int hf_PCMD_roll = -1;
static int hf_PCMD_pitch = -1;
static int hf_PCMD_gaz = -1;
static int hf_PCMD_yaw = -1;
static int hf_REF_id = -1;
static int hf_REF_ctrl = -1;
static int hf_FTRIM_seq = -1;
static int hf_CONFIG_seq = -1;
static int hf_CONFIG_name = -1;
static int hf_CONFIG_val = -1;
static int hf_CONFIG_ID_seq = -1;
static int hf_CONFIG_ID_session = -1;
static int hf_CONFIG_ID_user = -1;
static int hf_CONFIG_ID_app = -1;
static int hf_COMWDG = -1;
static int hf_LED_seq = -1;
static int hf_LED_anim = -1;
static int hf_LED_freq = -1;
static int hf_LED_sec = -1;
static int hf_ANIM_seq = -1;
static int hf_ANIM_anim = -1;
static int hf_ANIM_sec = -1;
static int hf_CTRL_seq = -1;
static int hf_CTRL_mode = -1;
static int hf_CTRL_fsize = -1;
/**Subtrees */
static gint ett_FTRIM = -1;
static gint ett_ar_drone = -1;
static gint ett_PCMD = -1;
static gint ett_REF = -1;
static gint ett_CONFIG = -1;
static gint ett_CONFIG_ID = -1;
static gint ett_COMWDG = -1;
static gint ett_LED = -1;
static gint ett_ANIM = -1;
static gint ett_CTRL = -1;
static expert_field ei_NO_COMMA = EI_INIT;
static expert_field ei_NO_CR = EI_INIT;
/* Value String */
#if 0 /* TODO: Delete these? Or make use of them? */
static const value_string REF_types_vs[] = {
{ 0x38323038, "FLYING MODE" },
{ 0x37393532, "EMERGENCY LANDING" },
{ 0x37363936, "LANDING MODE" },
{ 0, NULL }
};
static const value_string PCMD_flag_vs[] = {
{ 0x30 , "DO NOT ALLOW ROLL/PITCH" },
{ 0x31 , "ALLOW ROLL/PITCH" },
{ 0 , NULL }
};
#endif
static const string_string CTRL_mode_vs[] = {
{ "4" , " (CFG_GET_CONTROL_MODE)" },
{ "5" , " (ACK_CONTROL_MODE)" },
{ "6" , " (CUSTOM_CFG_GET_CONTROL_MODE)" },
{ 0, NULL }
};
/* ********************************************** */
/* End static variable declaration/initialization */
/* ********************************************** */
static int
dissect_ar_drone(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
gint offset, length;
gint master_offset = 0;
proto_item *ti, *sub_item;
proto_tree *ar_tree, *sub_tree;
char *command;
guint8 *complete_str;
guint32 dword;
if (tvb_captured_length(tvb) < 4)
return 0;
/* Make sure the packet we're dissecting is a ar_drone packet
* Cheap string check for 'AT*'
*/
dword = tvb_get_ntoh24(tvb, 0);
if (dword != 0x41542a)
return 0;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ar_drone");
col_set_str(pinfo->cinfo, COL_INFO, "AR Drone Packet");
/* Initialize ar_drone Packet tree with subtrees */
ti = proto_tree_add_item(tree, proto_ar_drone, tvb, 0, -1, ENC_NA);
ar_tree = proto_item_add_subtree(ti, ett_ar_drone);
while (tvb_reported_length_remaining(tvb, master_offset) > 3)
{
/* Get a string to compare our command strings (aka "AT*PCMD", etc.) to */
offset = tvb_find_guint8(tvb, master_offset, -1, '=');
if (offset < master_offset)
return master_offset;
command = tvb_get_string_enc(pinfo->pool, tvb, master_offset, offset-master_offset, ENC_ASCII|ENC_NA);
complete_str = tvb_get_string_enc(pinfo->pool, tvb, master_offset+3, offset-master_offset-3, ENC_ASCII|ENC_NA);
sub_item = proto_tree_add_string(ar_tree, hf_command, tvb, master_offset, -1, complete_str);
if (!strncmp(command, "AT*PCMD", 7))
{
/** Parse according the PCMD layout: */
guint8 PCMD_byte;
const char *PCMD_str;
sub_tree = proto_item_add_subtree(sub_item, ett_PCMD);
offset = master_offset + 8;
/* Add PCMD ID */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_PCMD_id, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add PCMD Flag */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_PCMD_flag, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add PCMD Roll */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
ti = proto_tree_add_item(sub_tree, hf_PCMD_roll, tvb, offset, length, ENC_ASCII|ENC_NA);
PCMD_byte = tvb_get_guint8(tvb, offset);
if (PCMD_byte == 0x30)
{
PCMD_str = " (NO CHANGE)";
}
else if (PCMD_byte == 0x2d)
{
PCMD_byte = tvb_get_guint8(tvb, offset + 1);
if (PCMD_byte == 0x30)
{
PCMD_str = " (NO CHANGE)";
}
else
{
PCMD_str = " (ROLL LEFT)";
}
}
else
{
PCMD_str = " (ROLL RIGHT)";
}
proto_item_append_text(ti, "%s", PCMD_str);
offset += (length + 1);
/* Add PCMD Pitch */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
ti = proto_tree_add_item(sub_tree, hf_PCMD_pitch, tvb, offset, length, ENC_ASCII|ENC_NA);
PCMD_byte = tvb_get_guint8(tvb, offset);
if (PCMD_byte == 0x30)
{
PCMD_str = " (NO CHANGE)";
}
else if (PCMD_byte == 0x2d)
{
PCMD_byte = tvb_get_guint8(tvb, offset + 1);
if (PCMD_byte == 0x30)
{
PCMD_str = " (NO CHANGE)";
}
else
{
PCMD_str = " (PITCH FORWARD)";
}
}
else
{
PCMD_str = " (PITCH BACKWARD)";
}
proto_item_append_text(ti, "%s", PCMD_str);
offset += (length + 1);
/* Add PCMD Gaz */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
ti = proto_tree_add_item(sub_tree, hf_PCMD_gaz, tvb, offset, length, ENC_ASCII|ENC_NA);
PCMD_byte = tvb_get_guint8(tvb, offset);
if (PCMD_byte == 0x30)
{
PCMD_str = " (NO CHANGE)";
}
else if (PCMD_byte == 0x2d)
{
PCMD_byte = tvb_get_guint8(tvb, offset + 1);
if (PCMD_byte == 0x30)
{
PCMD_str = " (NO CHANGE)";
}
else
{
PCMD_str = " (DECREASE VERT SPEED)";
}
}
else
{
PCMD_str = " (INCREASE VERT SPEED)";
}
proto_item_append_text(ti, "%s", PCMD_str);
offset += (length + 1);
/* Add PCMD Yaw */
length = tvb_find_guint8(tvb, offset, -1, 0x0d) - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_CR);
return offset;
}
ti = proto_tree_add_item(sub_tree, hf_PCMD_yaw, tvb, offset, length, ENC_ASCII|ENC_NA);
PCMD_byte = tvb_get_guint8(tvb, offset);
if (PCMD_byte == 0x30)
{
PCMD_str = " (NO CHANGE)";
}
else if (PCMD_byte == 0x2d)
{
PCMD_byte = tvb_get_guint8(tvb, offset + 1);
if (PCMD_byte == 0x30)
{
PCMD_str = " (NO CHANGE)";
}
else
{
PCMD_str = " (ROTATE LEFT)";
}
}
else
{
PCMD_str = " (ROTATE RIGHT)";
}
proto_item_append_text(ti, "%s", PCMD_str);
offset += (length + 1);
}
else if (!strncmp(command, "AT*REF", 6))
{
/** Parse according to the REF layout: */
sub_tree = proto_item_add_subtree(sub_item, ett_REF);
offset = master_offset + 7;
/* Add REF ID */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_REF_id, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add REF ctrl */
length = tvb_find_guint8(tvb, offset, -1, 0x0d) - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_CR);
return offset;
}
proto_tree_add_item(sub_tree, hf_REF_ctrl, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
} else if (!strncmp(command, "AT*CONFIG_IDS", 13))
{
/** Parse according to the CONFIG_ID layout: */
sub_tree = proto_item_add_subtree(sub_item, ett_CONFIG_ID);
offset = master_offset + 14;
/* Add Sequence Number */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_CONFIG_ID_seq, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add Session ID */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_CONFIG_ID_session, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add User ID */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_CONFIG_ID_user, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add Application ID */
length = tvb_find_guint8(tvb, offset, -1, 0x0d) - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_CR);
return offset;
}
proto_tree_add_item(sub_tree, hf_CONFIG_ID_app, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
} else if (!strncmp(command, "AT*ANIM", 7))
{
/** Parse according to the ANIM layout: */
sub_tree = proto_item_add_subtree(sub_item, ett_ANIM);
offset = master_offset + 8;
/* Add sequence */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_ANIM_seq, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add Animation */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_ANIM_anim, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add animation time(sec) */
length = tvb_find_guint8(tvb, offset, -1, 0x0d) - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_CR);
return offset;
}
proto_tree_add_item(sub_tree, hf_ANIM_sec, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
} else if (!strncmp(command, "AT*FTRIM", 8))
{
/** Parse according to the FTRIM layout: */
sub_tree = proto_item_add_subtree(sub_item, ett_FTRIM);
offset = master_offset + 9;
/* Add sequence number */
length = tvb_find_guint8(tvb, offset, -1, 0x0d) - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_CR);
return offset;
}
proto_item_append_text(sub_item, " (Sets the reference for the horizontal plane)");
proto_tree_add_item(sub_tree, hf_FTRIM_seq, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
} else if (!strncmp(command, "AT*CONFIG", 9))
{
/** Parse according to the CONFIG layout: */
sub_tree = proto_item_add_subtree(sub_item, ett_CONFIG);
offset = master_offset + 10;
/* Add sequence */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_CONFIG_seq, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add Name */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_CONFIG_name, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add Value */
length = tvb_find_guint8(tvb, offset, -1, 0x0d) - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_CR);
return offset;
}
proto_tree_add_item(sub_tree, hf_CONFIG_val, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
} else if (!strncmp(command, "AT*LED", 6))
{
/** Parse according to the LED layout: */
sub_tree = proto_item_add_subtree(sub_item, ett_LED);
offset = master_offset + 7;
/* Add sequence */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_LED_seq, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add animation to play */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_LED_anim, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add frequency */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_LED_freq, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add Time to play in sec */
length = tvb_find_guint8(tvb, offset, -1, 0x0d) - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_CR);
return offset;
}
proto_tree_add_item(sub_tree, hf_LED_sec, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
} else if (!strncmp(command, "AT*COMWDG", 9))
{
/** Parse according to the COMWDG layout: */
sub_tree = proto_item_add_subtree(sub_item, ett_COMWDG);
offset = master_offset + 10;
/* Add sequence number */
length = tvb_find_guint8(tvb, offset, -1, 0x0d) - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_CR);
return offset;
}
proto_tree_add_item(sub_tree, hf_COMWDG, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
}else if (!strncmp(command, "AT*CTRL", 7))
{
const guint8* CTRL_mode_str;
/** Parse according to the CTRL layout: */
sub_tree = proto_item_add_subtree(sub_item, ett_CTRL);
offset = master_offset + 8;
/* Add sequence */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
proto_tree_add_item(sub_tree, hf_CTRL_seq, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
/* Add Mode */
length = tvb_find_guint8(tvb, offset, -1, ',') - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_COMMA);
return offset;
}
ti = proto_tree_add_item_ret_string(sub_tree, hf_CTRL_mode, tvb, offset, length, ENC_ASCII|ENC_NA, pinfo->pool, &CTRL_mode_str);
proto_item_append_text(ti, "%s", str_to_str(CTRL_mode_str, CTRL_mode_vs, " (Unknown Mode)"));
offset += (length + 1);
/* Add File Size */
length = tvb_find_guint8(tvb, offset, -1, 0x0d) - offset;
if (length < 0) {
expert_add_info(pinfo, sub_item, &ei_NO_CR);
return offset;
}
proto_tree_add_item(sub_tree, hf_CTRL_fsize, tvb, offset, length, ENC_ASCII|ENC_NA);
offset += (length + 1);
}
else
{
/* Unknown command, just abort */
return master_offset;
}
proto_item_set_len(sub_item, offset-master_offset);
master_offset = offset;
}
return master_offset;
}
void
proto_register_ar_drone(void)
{
/* Setup protocol header array */
static hf_register_info hf[] = {
{ &hf_command,
{ "Command", "ar_drone.command",
FT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_PCMD_id,
{ "Sequence Number", "ar_drone.pcmd.id",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Progressive Command ID", HFILL }
},
{ &hf_PCMD_flag,
{ "Flag", "ar_drone.pcmd.flag",
FT_STRING, BASE_NONE,
NULL/*VALS(PCMD_flag_vs)*/, 0x0,
"Progressive Command Flag", HFILL }
},
{ &hf_PCMD_roll,
{ "Roll", "ar_drone.pcmd.roll",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Progressive Command Roll", HFILL }
},
{ &hf_PCMD_pitch,
{ "Pitch", "ar_drone.pcmd.pitch",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Progressive Command Pitch", HFILL }
},
{ &hf_PCMD_gaz,
{ "Gaz", "ar_drone.pcmd.gaz",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Progressive Command Gaz", HFILL }
},
{ &hf_PCMD_yaw,
{ "Yaw", "ar_drone.pcmd.yaw",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Progressive Command Yaw", HFILL }
},
{ &hf_REF_id,
{ "Sequence Number", "ar_drone.ref.id",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Reference ID", HFILL }
},
{ &hf_REF_ctrl,
{ "Control Command", "ar_drone.ref.ctrl",
FT_STRING, BASE_NONE,
NULL/*VALS(REF_types_vs)*/, 0x0,
NULL, HFILL }
},
{ &hf_FTRIM_seq,
{ "Sequence Number", "ar_drone.ftrim.seq",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Flap Trim / Horizontal Plane Reference", HFILL }
},
{ &hf_CONFIG_ID_seq,
{ "Sequence Number", "ar_drone.configids.seq",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Configuration ID sequence number", HFILL }
},
{ &hf_CONFIG_ID_session,
{ "Current Session ID", "ar_drone.configids.session",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Configuration ID current session ID", HFILL }
},
{ &hf_CONFIG_ID_user,
{ "Current User ID", "ar_drone.configids.user",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Configuration ID current user ID", HFILL }
},
{ &hf_CONFIG_ID_app,
{ "Current Application ID", "ar_drone.configids.app",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Configuration ID current application ID", HFILL }
},
{ &hf_COMWDG,
{ "Command WatchDog Request", "ar_drone.comwdg",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Command WatchDog Reset request", HFILL }
},
{ &hf_CONFIG_seq,
{ "Sequence Number", "ar_drone.config.seq",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Configuration Seq Num", HFILL }
},
{ &hf_CONFIG_name,
{ "Option Name", "ar_drone.config.name",
FT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_CONFIG_val,
{ "Option Parameter", "ar_drone.config.val",
FT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_LED_seq,
{ "Sequence Number", "ar_drone.led.seq",
FT_STRING, BASE_NONE,
NULL, 0x0,
"LED Sequence Number", HFILL }
},
{ &hf_LED_anim,
{ "Selected Animation", "ar_drone.led.anim",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Selected LED Animation", HFILL }
},
{ &hf_LED_freq,
{ "Animation Frequency", "ar_drone.led.freq",
FT_STRING, BASE_NONE,
NULL, 0x0,
"LED Animation Frequency", HFILL }
},
{ &hf_LED_sec,
{ "LED Animation Length (Seconds)", "ar_drone.led.sec",
FT_STRING, BASE_NONE,
NULL, 0x0,
"LED Anim Length", HFILL }
},
{ &hf_ANIM_seq,
{ "Animation Sequence Number", "ar_drone.anim.seq",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Movement(Animation) Sequence #", HFILL }
},
{ &hf_ANIM_anim,
{ "Selected Animation Number", "ar_drone.anim.num",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Movement(Animation) to Play", HFILL }
},
{ &hf_ANIM_sec,
{ "Animation Duration (seconds)", "ar_drone.anim.sec",
FT_STRING, BASE_NONE,
NULL, 0x0,
"Movement(Animation) Time in Seconds", HFILL }
},
{ &hf_CTRL_seq,
{ "Sequence Number", "ar_drone.ctrl.seq",
FT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_CTRL_mode,
{ "Control Mode", "ar_drone.ctrl.mode",
FT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_CTRL_fsize,
{ "Firmware Update File Size (0 for no update)", "ar_drone.ctrl.filesize",
FT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
}
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_ar_drone,
&ett_PCMD,
&ett_REF,
&ett_FTRIM,
&ett_CONFIG,
&ett_CONFIG_ID,
&ett_COMWDG,
&ett_LED,
&ett_ANIM,
&ett_CTRL
};
static ei_register_info ei[] = {
{ &ei_NO_COMMA, { "ar_drone.no_comma", PI_MALFORMED, PI_ERROR, "Comma delimiter not found", EXPFILL }},
{ &ei_NO_CR, { "ar_drone.no_cr", PI_MALFORMED, PI_ERROR, "Carriage return delimiter (0x0d) not found", EXPFILL }},
};
expert_module_t* expert_drone;
/* Setup protocol info */
proto_ar_drone = proto_register_protocol("AR Drone Packet", "AR Drone", "ar_drone");
proto_register_field_array(proto_ar_drone, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_drone = expert_register_protocol(proto_ar_drone);
expert_register_field_array(expert_drone, ei, array_length(ei));
}
void
proto_reg_handoff_ar_drone(void)
{
dissector_handle_t ar_drone_handle;
ar_drone_handle = create_dissector_handle(dissect_ar_drone, proto_ar_drone);
heur_dissector_add("udp", dissect_ar_drone, "AR Drone over UDP", "ar_drone_udp", proto_ar_drone, HEURISTIC_ENABLE);
dissector_add_for_decode_as_with_preference("udp.port", ar_drone_handle);
}
/*
* Editor modelines - https://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:
*/