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Diffstat (limited to 'epan/dissectors/packet-tcpros.c')
-rw-r--r--epan/dissectors/packet-tcpros.c238
1 files changed, 119 insertions, 119 deletions
diff --git a/epan/dissectors/packet-tcpros.c b/epan/dissectors/packet-tcpros.c
index d00106e0..b519b7de 100644
--- a/epan/dissectors/packet-tcpros.c
+++ b/epan/dissectors/packet-tcpros.c
@@ -25,51 +25,51 @@ void proto_register_tcpros(void);
void proto_reg_handoff_tcpros(void);
-static int proto_tcpros = -1;
+static int proto_tcpros;
static dissector_handle_t tcpros_handle;
/** desegmentation of TCPROS over TCP */
-static gboolean tcpros_desegment = TRUE;
-
-
-static int hf_tcpros_connection_header = -1;
-static int hf_tcpros_connection_header_length = -1;
-static int hf_tcpros_connection_header_content = -1;
-static int hf_tcpros_connection_header_field = -1;
-static int hf_tcpros_connection_header_field_length = -1;
-static int hf_tcpros_connection_header_field_data = -1;
-static int hf_tcpros_connection_header_field_name = -1;
-static int hf_tcpros_connection_header_field_value = -1;
-static int hf_tcpros_clock = -1;
-static int hf_tcpros_clock_length = -1;
-static int hf_tcpros_message = -1;
-static int hf_tcpros_message_length = -1;
-static int hf_tcpros_message_body = -1;
-static int hf_tcpros_message_header = -1;
-static int hf_tcpros_message_header_seq = -1;
-static int hf_tcpros_message_header_stamp = -1;
-static int hf_tcpros_message_header_stamp_sec = -1;
-static int hf_tcpros_message_header_stamp_nsec = -1;
-static int hf_tcpros_message_header_frame = -1;
-static int hf_tcpros_message_header_frame_length = -1;
-static int hf_tcpros_message_header_frame_value = -1;
-static int hf_tcpros_message_payload = -1;
-
-static gint ett_tcpros = -1;
+static bool tcpros_desegment = true;
+
+
+static int hf_tcpros_connection_header;
+static int hf_tcpros_connection_header_length;
+static int hf_tcpros_connection_header_content;
+static int hf_tcpros_connection_header_field;
+static int hf_tcpros_connection_header_field_length;
+static int hf_tcpros_connection_header_field_data;
+static int hf_tcpros_connection_header_field_name;
+static int hf_tcpros_connection_header_field_value;
+static int hf_tcpros_clock;
+static int hf_tcpros_clock_length;
+static int hf_tcpros_message;
+static int hf_tcpros_message_length;
+static int hf_tcpros_message_body;
+static int hf_tcpros_message_header;
+static int hf_tcpros_message_header_seq;
+static int hf_tcpros_message_header_stamp;
+static int hf_tcpros_message_header_stamp_sec;
+static int hf_tcpros_message_header_stamp_nsec;
+static int hf_tcpros_message_header_frame;
+static int hf_tcpros_message_header_frame_length;
+static int hf_tcpros_message_header_frame_value;
+static int hf_tcpros_message_payload;
+
+static int ett_tcpros;
/**
* This is the ROS connection header dissector. The general packet format is described
* here: http://wiki.ros.org/ROS/TCPROS
* In short, a connection header looks like such: '4-byte length + [4-byte field length + "field=value" ]*'
*/
-static gint
-dissect_ros_connection_header_field(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, gint offset)
+static int
+dissect_ros_connection_header_field(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, int offset)
{
proto_item *ti;
proto_tree *field_tree;
- guint32 fLen = 0;
- gint sep, ret = 0;
+ uint32_t fLen = 0;
+ int sep, ret = 0;
/** Do we have enough for a length field? (ie: 4 bytes) */
if( tvb_reported_length_remaining(tvb, offset) > SIZE_OF_LENGTH_FIELD ) {
@@ -86,11 +86,11 @@ dissect_ros_connection_header_field(tvbuff_t *tvb, proto_tree *tree, packet_info
ti = proto_tree_add_item(field_tree, hf_tcpros_connection_header_field_data, tvb, offset, fLen, ENC_UTF_8);
/** Look for the '=' separator */
- sep = (tvb_find_guint8(tvb, offset, fLen, '=') - offset);
+ sep = (tvb_find_uint8(tvb, offset, fLen, '=') - offset);
/** If we find a separator, then split field name and value */
if( sep > 0 ) {
- const guint8* field;
+ const uint8_t* field;
field_tree = proto_item_add_subtree(ti, ett_tcpros);
proto_tree_add_item_ret_string(field_tree, hf_tcpros_connection_header_field_name, tvb, offset, sep, ENC_UTF_8|ENC_NA, pinfo->pool, &field);
proto_tree_add_item(field_tree, hf_tcpros_connection_header_field_value, tvb, offset+sep+1, fLen - sep - 1, ENC_UTF_8);
@@ -103,14 +103,14 @@ dissect_ros_connection_header_field(tvbuff_t *tvb, proto_tree *tree, packet_info
return ret;
}
-static gint
-dissect_ros_connection_header(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, gint offset)
+static int
+dissect_ros_connection_header(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, int offset)
{
proto_item *ti;
proto_tree *sub_tree;
- gint consumed_len = 0;
- guint32 header_len = tvb_get_letohl(tvb, offset);
+ int consumed_len = 0;
+ uint32_t header_len = tvb_get_letohl(tvb, offset);
col_append_str(pinfo->cinfo, COL_INFO, "[ROS Conn] Metadata: [");
@@ -126,13 +126,13 @@ dissect_ros_connection_header(tvbuff_t *tvb, proto_tree *root_tree, packet_info
header_len += SIZE_OF_LENGTH_FIELD;
- while( consumed_len < (gint)header_len ) {
- gint len = dissect_ros_connection_header_field(tvb, sub_tree, pinfo, offset + consumed_len);
+ while( consumed_len < (int)header_len ) {
+ int len = dissect_ros_connection_header_field(tvb, sub_tree, pinfo, offset + consumed_len);
consumed_len += len;
if( len == 0 ) {
break;
}
- if( consumed_len < (gint)header_len ) {
+ if( consumed_len < (int)header_len ) {
col_append_str(pinfo->cinfo, COL_INFO, ",");
}
}
@@ -142,14 +142,14 @@ dissect_ros_connection_header(tvbuff_t *tvb, proto_tree *root_tree, packet_info
}
-static gint
-dissect_ros_message_header_stamp(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, gint offset)
+static int
+dissect_ros_message_header_stamp(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, int offset)
{
proto_item *ti;
proto_tree *sub_tree;
- gint consumed_len = 0;
- guint32 sec, nsec;
+ int consumed_len = 0;
+ uint32_t sec, nsec;
ti = proto_tree_add_item(root_tree, hf_tcpros_message_header_stamp, tvb, offset + consumed_len, SIZE_OF_LENGTH_STAMP, ENC_LITTLE_ENDIAN);
sub_tree = proto_item_add_subtree(ti, ett_tcpros);
@@ -170,13 +170,13 @@ dissect_ros_message_header_stamp(tvbuff_t *tvb, proto_tree *root_tree, packet_in
return consumed_len;
}
-static gint
-dissect_ros_clock(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, gint offset)
+static int
+dissect_ros_clock(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, int offset)
{
proto_item *ti;
proto_tree *sub_tree;
- gint consumed_len = 0;
+ int consumed_len = 0;
col_append_str(pinfo->cinfo, COL_INFO, "[ROS Clock] ");
@@ -192,17 +192,17 @@ dissect_ros_clock(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, gint
return consumed_len;
}
-static gint
-dissect_ros_message_header(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, gint offset)
+static int
+dissect_ros_message_header(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, int offset)
{
proto_item *ti;
proto_tree *sub_tree;
- gint consumed_len = 0;
- guint32 frame_id_len;
- guint32 seq;
- guint header_len;
- const guint8* frame_str;
+ int consumed_len = 0;
+ uint32_t frame_id_len;
+ uint32_t seq;
+ unsigned header_len;
+ const uint8_t* frame_str;
frame_id_len = tvb_get_letohl(tvb, offset + consumed_len + SIZE_OF_LENGTH_FIELD + SIZE_OF_LENGTH_STAMP);
@@ -242,15 +242,15 @@ dissect_ros_message_header(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pi
* However, every packet has the same header as defined here: http://docs.ros.org/api/std_msgs/html/msg/Header.html
* So, we can break this one down and display it.
*/
-static gint
-dissect_ros_message(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, gint offset)
+static int
+dissect_ros_message(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, int offset)
{
proto_item *ti;
proto_tree *sub_tree;
- gint consumed_len = 0;
- guint32 total_len = tvb_get_letohl(tvb, offset);
- guint payload_len;
+ int consumed_len = 0;
+ uint32_t total_len = tvb_get_letohl(tvb, offset);
+ unsigned payload_len;
col_append_str(pinfo->cinfo, COL_INFO, "[ROS Msg] ");
@@ -281,125 +281,125 @@ dissect_ros_message(tvbuff_t *tvb, proto_tree *root_tree, packet_info *pinfo, gi
/**
* This is the poor man's way to differentiate between a connection header packet and a message packet.
*/
-static gboolean
-is_connection_header(tvbuff_t *tvb, packet_info *pinfo _U_ , guint offset)
+static bool
+is_connection_header(tvbuff_t *tvb, packet_info *pinfo _U_ , unsigned offset)
{
- gboolean is_con_header = FALSE;
- guint32 len1 = tvb_get_letohl(tvb, offset);
- guint32 len2 = tvb_get_letohl(tvb, offset + SIZE_OF_LENGTH_FIELD);
+ bool is_con_header = false;
+ uint32_t len1 = tvb_get_letohl(tvb, offset);
+ uint32_t len2 = tvb_get_letohl(tvb, offset + SIZE_OF_LENGTH_FIELD);
if( len1 > len2 ) {
- is_con_header = TRUE;
+ is_con_header = true;
}
return is_con_header;
}
-static gboolean
-is_rosheaderfield(tvbuff_t *tvb, packet_info *pinfo _U_ , guint offset)
+static bool
+is_rosheaderfield(tvbuff_t *tvb, packet_info *pinfo _U_ , unsigned offset)
{
/** ROS Header Field:
4-byte len + string */
- gint available = tvb_reported_length_remaining(tvb, offset);
- guint32 string_len = 0;
- guint32 i;
+ int available = tvb_reported_length_remaining(tvb, offset);
+ uint32_t string_len = 0;
+ uint32_t i;
if( available < 4 )
- return FALSE;
+ return false;
string_len = tvb_get_letohl(tvb, offset);
/** If we don't have enough data for the whole string, assume its not */
- if( (guint)available < (string_len + 4) )
- return FALSE;
+ if( (unsigned)available < (string_len + 4) )
+ return false;
/** Check for a valid ascii character and not nil */
for( i = 0; i < string_len; i++ ) {
- gint8 ch = tvb_get_guint8(tvb, offset + 4 + i);
+ int8_t ch = tvb_get_uint8(tvb, offset + 4 + i);
if( !g_ascii_isalnum(ch) || 0x00 == ch )
- return FALSE;
+ return false;
}
/** Assume it is */
- return TRUE;
+ return true;
}
-static gboolean
-is_rosconnection_header(tvbuff_t *tvb, packet_info *pinfo _U_ , guint offset)
+static bool
+is_rosconnection_header(tvbuff_t *tvb, packet_info *pinfo _U_ , unsigned offset)
{
/** ROS Connection Headers: http://wiki.ros.org/ROS/Connection%20Header
4-byte length + [4-byte length + string] */
- gint available = tvb_reported_length_remaining(tvb, offset);
- guint32 msg_len = 0;
+ int available = tvb_reported_length_remaining(tvb, offset);
+ uint32_t msg_len = 0;
if( available < 8+1 )
- return FALSE;
+ return false;
msg_len = tvb_get_letohl(tvb, offset);
if( msg_len < 4+1 )
- return FALSE;
+ return false;
/** Check first header field */
if( !is_rosheaderfield(tvb, pinfo, offset + 4) )
- return FALSE;
+ return false;
- return TRUE;
+ return true;
}
-static gboolean
-is_rosclock(tvbuff_t *tvb, packet_info *pinfo _U_ , guint offset)
+static bool
+is_rosclock(tvbuff_t *tvb, packet_info *pinfo _U_ , unsigned offset)
{
/** ROS Clock message: http://docs.ros.org/api/rosgraph_msgs/html/msg/Clock.html
4-byte length + 8-byte timestamp == 12 bytes exactly */
- gint available = tvb_reported_length_remaining(tvb, offset);
+ int available = tvb_reported_length_remaining(tvb, offset);
if( available != 12 )
- return FALSE;
+ return false;
if( tvb_get_letohl(tvb, offset) != 8 )
- return FALSE;
+ return false;
/** This is highly likely a clock message. */
- return TRUE;
+ return true;
}
-static gboolean
-is_rosmsg(tvbuff_t *tvb, packet_info *pinfo _U_ , guint offset)
+static bool
+is_rosmsg(tvbuff_t *tvb, packet_info *pinfo _U_ , unsigned offset)
{
/** Most ROS messages start with a header: http://docs.ros.org/jade/api/std_msgs/html/msg/Header.html
4-byte size + 4-byte sequence id + 8-byte timestamp + 4-byte frame id length + frame id */
- gint available = tvb_reported_length_remaining(tvb, offset);
- guint32 string_len = 0;
- guint32 msg_len = 0;
+ int available = tvb_reported_length_remaining(tvb, offset);
+ uint32_t string_len = 0;
+ uint32_t msg_len = 0;
if( available < 20 )
- return FALSE;
+ return false;
msg_len = tvb_get_letohl(tvb, offset);
if( msg_len < 16 )
- return FALSE;
+ return false;
/** Check to see if the frame id length is reasonable */
string_len = tvb_get_letohl(tvb, offset + 4 + 4 + 8);
if( string_len > (msg_len - (4 + 8 + 4)) )
- return FALSE;
+ return false;
/** If we don't have enough data for the whole string, assume its not */
- if( (guint)available < (string_len + 4) )
- return FALSE;
+ if( (unsigned)available < (string_len + 4) )
+ return false;
/** This is highly likely a ROS message. */
- return TRUE;
+ return true;
}
static void
-dissect_ros_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gboolean is_tcp _U_ )
+dissect_ros_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, bool is_tcp _U_ )
{
proto_item *ti;
proto_tree *root_tree;
- guint offset;
+ unsigned offset;
/** Clear out stuff in the info column */
@@ -411,9 +411,9 @@ dissect_ros_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gboolean
offset = 0;
while(offset < tvb_reported_length(tvb)) {
- gint available = tvb_reported_length_remaining(tvb, offset);
+ int available = tvb_reported_length_remaining(tvb, offset);
- if( (available < SIZE_OF_LENGTH_FIELD) || ((guint)available < tvb_get_letohl(tvb, offset)) ) {
+ if( (available < SIZE_OF_LENGTH_FIELD) || ((unsigned)available < tvb_get_letohl(tvb, offset)) ) {
/** we ran out of data: ask for more */
pinfo->desegment_offset = offset;
pinfo->desegment_len = DESEGMENT_ONE_MORE_SEGMENT;
@@ -441,10 +441,10 @@ dissect_ros_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gboolean
}
-static guint
+static unsigned
get_tcpros_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
{
- guint32 plen;
+ uint32_t plen;
/*
* Get the length of the TCPROS packet.
@@ -463,7 +463,7 @@ dissect_tcpros_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* da
{
col_set_str(pinfo->cinfo, COL_PROTOCOL, "TCPROS");
- dissect_ros_common(tvb, pinfo, tree, TRUE);
+ dissect_ros_common(tvb, pinfo, tree, true);
return tvb_reported_length(tvb);
}
@@ -555,7 +555,7 @@ proto_register_tcpros(void)
};
- static gint *ett[] = {
+ static int *ett[] = {
&ett_tcpros,
};
@@ -580,36 +580,36 @@ proto_register_tcpros(void)
}
/* Heuristics test */
-static gboolean
+static bool
test_tcpros(packet_info *pinfo, tvbuff_t *tvb, int offset, void *data _U_)
{
if (tvb_captured_length(tvb) < 8)
- return FALSE;
+ return false;
if( is_rosclock(tvb, pinfo, offset) )
- return TRUE;
+ return true;
if( is_rosmsg(tvb, pinfo, offset) )
- return TRUE;
+ return true;
if( is_rosconnection_header(tvb, pinfo, offset) )
- return TRUE;
+ return true;
- return FALSE;
+ return false;
}
-static gboolean
+static bool
dissect_tcpros_heur_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
conversation_t *conversation;
if (!test_tcpros(pinfo, tvb, 0, data))
- return FALSE;
+ return false;
conversation = find_or_create_conversation(pinfo);
conversation_set_dissector(conversation, tcpros_handle);
dissect_tcpros(tvb, pinfo, tree, data);
- return (TRUE);
+ return true;
}