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Diffstat (limited to 'ui/tap-sctp-analysis.h')
| -rw-r--r-- | ui/tap-sctp-analysis.h | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/ui/tap-sctp-analysis.h b/ui/tap-sctp-analysis.h new file mode 100644 index 0000000..0f7f1eb --- /dev/null +++ b/ui/tap-sctp-analysis.h @@ -0,0 +1,307 @@ +/** @file + * + * Copyright 2004-2013, Irene Ruengeler <i.ruengeler [AT] fh-muenster.de> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef __TAP_SCTP_ANALYSIS_H__ +#define __TAP_SCTP_ANALYSIS_H__ + +#include <stdbool.h> +#include <epan/dissectors/packet-sctp.h> +#include <epan/address.h> +#ifdef _WIN32 +#include <winsock2.h> +#else +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#endif + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#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 I_DATA_CHUNK_RESERVED_LENGTH 2 +#define I_DATA_CHUNK_MID_LENGTH 4 +#define I_DATA_CHUNK_PAYLOAD_PROTOCOL_ID_LENGTH 4 +#define I_DATA_CHUNK_FSN_LENGTH 4 +#define I_DATA_CHUNK_RESERVED_OFFSET (DATA_CHUNK_STREAM_ID_OFFSET + \ + DATA_CHUNK_STREAM_ID_LENGTH) +#define I_DATA_CHUNK_MID_OFFSET (I_DATA_CHUNK_RESERVED_OFFSET + \ + I_DATA_CHUNK_RESERVED_LENGTH) +#define I_DATA_CHUNK_PAYLOAD_PROTOCOL_ID_OFFSET (I_DATA_CHUNK_MID_OFFSET + \ + I_DATA_CHUNK_MID_LENGTH) +#define I_DATA_CHUNK_FSN_OFFSET (I_DATA_CHUNK_MID_OFFSET + \ + I_DATA_CHUNK_MID_LENGTH) +#define I_DATA_CHUNK_PAYLOAD_OFFSET (I_DATA_CHUNK_PAYLOAD_PROTOCOL_ID_OFFSET + \ + I_DATA_CHUNK_PAYLOAD_PROTOCOL_ID_LENGTH) +#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) +#define I_DATA_CHUNK_HEADER_LENGTH (CHUNK_HEADER_LENGTH + \ + DATA_CHUNK_TSN_LENGTH + \ + DATA_CHUNK_STREAM_ID_LENGTH + \ + I_DATA_CHUNK_RESERVED_LENGTH + \ + I_DATA_CHUNK_MID_LENGTH +\ + I_DATA_CHUNK_PAYLOAD_PROTOCOL_ID_LENGTH) +#define MAX_ADDRESS_LEN 47 + +#define SCTP_ABORT_CHUNK_T_BIT 0x01 + +#define PARAMETER_TYPE_LENGTH 2 +#define PARAMETER_LENGTH_LENGTH 2 +#define PARAMETER_HEADER_LENGTH (PARAMETER_TYPE_LENGTH + PARAMETER_LENGTH_LENGTH) + +#define PARAMETER_HEADER_OFFSET 0 +#define PARAMETER_TYPE_OFFSET PARAMETER_HEADER_OFFSET +#define PARAMETER_LENGTH_OFFSET (PARAMETER_TYPE_OFFSET + PARAMETER_TYPE_LENGTH) +#define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH) + +#define IPV6_ADDRESS_LENGTH 16 +#define IPV6_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET +#define IPV4_ADDRESS_LENGTH 4 +#define IPV4_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET +#define IPV4ADDRESS_PARAMETER_ID 0x0005 +#define IPV6ADDRESS_PARAMETER_ID 0x0006 + +#define SACK_CHUNK_CUMULATIVE_TSN_ACK_LENGTH 4 +#define SACK_CHUNK_CUMULATIVE_TSN_ACK_OFFSET (CHUNK_VALUE_OFFSET + 0) +#define SACK_CHUNK_ADV_REC_WINDOW_CREDIT_LENGTH 4 +#define SACK_CHUNK_ADV_REC_WINDOW_CREDIT_OFFSET (SACK_CHUNK_CUMULATIVE_TSN_ACK_OFFSET + \ + SACK_CHUNK_CUMULATIVE_TSN_ACK_LENGTH) + +#define INIT_CHUNK_INITIAL_TSN_LENGTH 4 +#define INIT_CHUNK_FIXED_PARAMETERS_LENGTH (INIT_CHUNK_INITIATE_TAG_LENGTH + \ + INIT_CHUNK_ADV_REC_WINDOW_CREDIT_LENGTH + \ + INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_LENGTH + \ + INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_LENGTH + \ + INIT_CHUNK_INITIAL_TSN_LENGTH) +#define CHUNK_HEADER_LENGTH (CHUNK_TYPE_LENGTH + \ + CHUNK_FLAGS_LENGTH + \ + CHUNK_LENGTH_LENGTH) +#define INIT_CHUNK_VARIABLE_LENGTH_PARAMETER_OFFSET (INIT_CHUNK_INITIAL_TSN_OFFSET + \ + INIT_CHUNK_INITIAL_TSN_LENGTH ) + +/* The below value is 255 */ +#define NUM_CHUNKS 0x100 + +/* This variable is used as an index into arrays + * which store the cumulative information corresponding + * all chunks with Chunk Type greater > 16 + * The value for the below variable is 17 + */ +#define OTHER_CHUNKS_INDEX 0xfe + +/* VNB */ +/* This variable stores the maximum chunk type value + * that can be associated with a sctp chunk. + */ +#define MAX_SCTP_CHUNK_TYPE 256 + +typedef struct _tsn { + guint32 frame_number; + guint32 secs; /* Absolute seconds */ + guint32 usecs; + address src; + address dst; + guint32 first_tsn; + GList *tsns; +} tsn_t; + +typedef struct _sctp_tmp_info { + guint16 assoc_id; + guint16 direction; + address src; + address dst; + guint16 port1; + guint16 port2; + guint32 verification_tag1; + guint32 verification_tag2; + guint32 initiate_tag; + guint32 n_tvbs; +} sctp_tmp_info_t; + +typedef struct _sctp_init_collision { + guint32 init_vtag; /* initiate tag of the INIT chunk */ + guint32 initack_vtag; /* initiate tag of the INIT-ACK chunk */ + guint32 init_min_tsn; /* initial tsn of the INIT chunk */ + guint32 initack_min_tsn; /* initial tsn of the INIT-ACK chunk */ + bool init:1; + bool initack:1; +} sctp_init_collision_t; + +struct tsn_sort{ + guint32 tsnumber; + guint32 secs; + guint32 usecs; + guint32 offset; + guint32 length; + guint32 framenumber; +}; + +typedef struct _sctp_addr_chunk { + guint32 direction; + address addr; + /* The array is initialized to MAX_SCTP_CHUNK_TYPE + * so that there is no memory overwrite + * when accessed using sctp chunk type as index. + */ + guint32 addr_count[MAX_SCTP_CHUNK_TYPE]; +} sctp_addr_chunk; + +typedef struct _sctp_assoc_info { + guint16 assoc_id; + address src; + address dst; + guint16 port1; + guint16 port2; + guint32 verification_tag1; + guint32 verification_tag2; + guint32 initiate_tag; + 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; + gchar 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_forward_chunks; + guint32 n_forward_chunks_ep1; + guint32 n_forward_chunks_ep2; + 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; + guint32 arwnd1; + guint32 arwnd2; + bool init:1; + bool initack:1; + bool firstdata:1; + bool init_collision:1; + guint16 initack_dir; + guint16 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; + sctp_init_collision_t *dir1; + sctp_init_collision_t *dir2; + GSList *min_max; + GList *frame_numbers; + GList *tsn1; + GPtrArray *sort_tsn1; + GPtrArray *sort_sack1; + GList *sack1; + GList *tsn2; + GPtrArray *sort_tsn2; + GPtrArray *sort_sack2; + GList *sack2; + gboolean check_address; + GList* error_info_list; + /* The array is initialized to MAX_SCTP_CHUNK_TYPE + * so that there is no memory overwrite + * when accessed using sctp chunk type as index. + */ + guint32 chunk_count[MAX_SCTP_CHUNK_TYPE]; + guint32 ep1_chunk_count[MAX_SCTP_CHUNK_TYPE]; + guint32 ep2_chunk_count[MAX_SCTP_CHUNK_TYPE]; + GList *addr_chunk_count; +} sctp_assoc_info_t; + +typedef struct _sctp_error_info { + guint32 frame_number; + gchar chunk_info[200]; + const gchar *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; + + + +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); + +const sctp_assoc_info_t* get_sctp_assoc_info(guint16 assoc_id); +const sctp_assoc_info_t* get_selected_assoc(void); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* __TAP_SCTP_ANALYSIS_H__ */ |