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/*
* Copyright 2004, Irene Ruengeler <i.ruengeler [AT] fh-muenster.de>
*
* $Id$
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <epan/dissectors/packet-sctp.h>
#include <epan/address.h>
#ifndef WIN32
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#endif
#define SCTP_DATA_CHUNK_ID 0
#define SCTP_INIT_CHUNK_ID 1
#define SCTP_INIT_ACK_CHUNK_ID 2
#define SCTP_SACK_CHUNK_ID 3
#define CHUNK_TYPE_LENGTH 1
#define CHUNK_FLAGS_LENGTH 1
#define CHUNK_LENGTH_LENGTH 2
#define CHUNK_HEADER_OFFSET 0
#define CHUNK_TYPE_OFFSET CHUNK_HEADER_OFFSET
#define CHUNK_FLAGS_OFFSET (CHUNK_TYPE_OFFSET + CHUNK_TYPE_LENGTH)
#define CHUNK_LENGTH_OFFSET (CHUNK_FLAGS_OFFSET + CHUNK_FLAGS_LENGTH)
#define CHUNK_VALUE_OFFSET (CHUNK_LENGTH_OFFSET + CHUNK_LENGTH_LENGTH)
#define INIT_CHUNK_INITIATE_TAG_LENGTH 4
#define INIT_CHUNK_ADV_REC_WINDOW_CREDIT_LENGTH 4
#define INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_LENGTH 2
#define INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_LENGTH 2
#define INIT_CHUNK_INITIATE_TAG_OFFSET CHUNK_VALUE_OFFSET
#define INIT_CHUNK_ADV_REC_WINDOW_CREDIT_OFFSET (INIT_CHUNK_INITIATE_TAG_OFFSET + \
INIT_CHUNK_INITIATE_TAG_LENGTH )
#define INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_OFFSET (INIT_CHUNK_ADV_REC_WINDOW_CREDIT_OFFSET + \
INIT_CHUNK_ADV_REC_WINDOW_CREDIT_LENGTH )
#define INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_OFFSET (INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_OFFSET + \
INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_LENGTH )
#define INIT_CHUNK_INITIAL_TSN_OFFSET (INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_OFFSET + \
INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_LENGTH )
#define DATA_CHUNK_TSN_LENGTH 4
#define DATA_CHUNK_TSN_OFFSET (CHUNK_VALUE_OFFSET + 0)
#define DATA_CHUNK_STREAM_ID_OFFSET (DATA_CHUNK_TSN_OFFSET + DATA_CHUNK_TSN_LENGTH)
#define DATA_CHUNK_STREAM_ID_LENGTH 2
#define DATA_CHUNK_STREAM_SEQ_NUMBER_LENGTH 2
#define DATA_CHUNK_PAYLOAD_PROTOCOL_ID_LENGTH 4
#define DATA_CHUNK_HEADER_LENGTH (CHUNK_HEADER_LENGTH + \
DATA_CHUNK_TSN_LENGTH + \
DATA_CHUNK_STREAM_ID_LENGTH + \
DATA_CHUNK_STREAM_SEQ_NUMBER_LENGTH + \
DATA_CHUNK_PAYLOAD_PROTOCOL_ID_LENGTH)
typedef struct _tsn {
guint32 frame_number;
guint32 secs; /* Absolute seconds */
guint32 usecs;
address src;
address dst;
GList *tsns;
} tsn_t;
typedef struct _sctp_tmp_info {
address src;
address dst;
guint16 port1;
guint16 port2;
guint32 verification_tag1;
guint32 verification_tag2;
guint32 n_tvbs;
}sctp_tmp_info_t;
typedef struct _sctp_min_max {
guint32 tmp_min_secs;
guint32 tmp_min_usecs;
guint32 tmp_max_secs;
guint32 tmp_max_usecs;
guint32 tmp_min_tsn1;
guint32 tmp_min_tsn2;
guint32 tmp_max_tsn1;
guint32 tmp_max_tsn2;
gint tmp_secs;
} sctp_min_max_t;
struct tsn_sort{
guint32 tsnumber;
guint32 secs;
guint32 usecs;
guint32 offset;
guint32 length;
};
typedef struct _sctp_assoc_info {
address src;
address dst;
guint16 port1;
guint16 port2;
guint32 verification_tag1;
guint32 verification_tag2;
guint32 n_tvbs;
GList *addr1;
GList *addr2;
guint16 instream1;
guint16 outstream1;
guint16 instream2;
guint16 outstream2;
guint32 n_adler32_calculated;
guint32 n_adler32_correct;
guint32 n_crc32c_calculated;
guint32 n_crc32c_correct;
char checksum_type[8];
guint32 n_checksum_errors;
guint32 n_bundling_errors;
guint32 n_padding_errors;
guint32 n_length_errors;
guint32 n_value_errors;
guint32 n_data_chunks;
guint32 n_data_bytes;
guint32 n_packets;
guint32 n_data_chunks_ep1;
guint32 n_data_bytes_ep1;
guint32 n_data_chunks_ep2;
guint32 n_data_bytes_ep2;
guint32 n_sack_chunks_ep1;
guint32 n_sack_chunks_ep2;
guint32 n_array_tsn1;
guint32 n_array_tsn2;
guint32 max_window1;
guint32 max_window2;
gboolean init;
gboolean initack;
guint8 initack_dir;
guint8 direction;
guint32 min_secs;
guint32 min_usecs;
guint32 max_secs;
guint32 max_usecs;
guint32 min_tsn1;
guint32 min_tsn2;
guint32 max_tsn1;
guint32 max_tsn2;
guint32 max_bytes1;
guint32 max_bytes2;
GSList *min_max;
GList *frame_numbers;
GList *tsn1;
GArray *sort_tsn1;
GArray *sort_sack1;
GList *sack1;
GList *tsn2;
GArray *sort_tsn2;
GArray *sort_sack2;
GList *sack2;
gboolean check_address;
GList* error_info_list;
} sctp_assoc_info_t;
typedef struct _sctp_error_info {
guint32 frame_number;
char chunk_info[200];
char *info_text;
} sctp_error_info_t;
typedef struct _sctp_allassocs_info {
guint32 sum_tvbs;
GList* assoc_info_list;
gboolean is_registered;
GList* children;
} sctp_allassocs_info_t;
struct notes {
GtkWidget *checktype;
GtkWidget *checksum;
GtkWidget *bundling;
GtkWidget *padding;
GtkWidget *length;
GtkWidget *value;
GtkWidget *chunks_ep1;
GtkWidget *bytes_ep1;
GtkWidget *chunks_ep2;
GtkWidget *bytes_ep2;
struct page *page2;
struct page *page3;
};
struct page {
GtkWidget *addr_frame;
GtkWidget *scrolled_window;
GtkWidget *clist;
GtkWidget *port;
GtkWidget *veritag;
GtkWidget *max_in;
GtkWidget *min_in;
GtkWidget *max_out;
GtkWidget *min_out;
};
struct sctp_analyse {
sctp_assoc_info_t* assoc;
GtkWidget* window;
struct notes *analyse_nb;
GList *children;
guint16 num_children;
};
typedef struct _sctp_graph_t {
gboolean needs_redraw;
gfloat x_interval;
gfloat y_interval;
GtkWidget *window;
GtkWidget *draw_area;
GdkPixmap *pixmap;
int pixmap_width;
int pixmap_height;
int graph_type;
gdouble x_old;
gdouble y_old;
gdouble x_new;
gdouble y_new;
guint16 offset;
guint16 length;
gboolean tmp;
gboolean rectangle;
guint32 x1_tmp_sec;
guint32 x2_tmp_sec;
guint32 x1_tmp_usec;
guint32 x2_tmp_usec;
guint32 tmp_width;
guint32 axis_width;
guint32 y1_tmp;
guint32 y2_tmp;
guint32 tmp_min_tsn1;
guint32 tmp_max_tsn1;
guint32 tmp_min_tsn2;
guint32 tmp_max_tsn2;
guint32 min_x;
guint32 max_x;
guint32 min_y;
guint32 max_y;
} sctp_graph_t;
struct sctp_udata {
sctp_assoc_info_t * assoc;
sctp_graph_t *io;
struct sctp_analyse* parent;
guint16 dir;
};
void register_tap_listener_sctp_stat(void);
const sctp_allassocs_info_t* sctp_stat_get_info(void);
void sctp_stat_scan(void);
void remove_tap_listener_sctp_stat(void);
void reset(sctp_allassocs_info_t *tapdata _U_);
void assoc_analyse(sctp_assoc_info_t* assoc);
const sctp_assoc_info_t* get_selected_assoc(void);
void create_graph(guint16 dir, struct sctp_analyse* u_data);
void create_byte_graph(guint16 dir, struct sctp_analyse* u_data);
void sctp_error_dlg_show();
void sctp_stat_dlg_update(void);
GtkWidget *get_stat_dlg(void);
void update_analyse_dlg(struct sctp_analyse* u_data);
void sctp_analyse_start(GtkWidget *w _U_, gpointer data _U_);
void increase_childcount(struct sctp_analyse *parent);
void decrease_childcount(struct sctp_analyse *parent);
void set_child(struct sctp_udata *child, struct sctp_analyse *parent);
void remove_child(struct sctp_udata *child, struct sctp_analyse *parent);
void decrease_analyse_childcount();
void increase_analyse_childcount();
void set_analyse_child(struct sctp_analyse *child);
void remove_analyse_child(struct sctp_analyse *child);
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