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108 lines
3.5 KiB
C
108 lines
3.5 KiB
C
/**
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tcpconn.h
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Copyright (C) 1999-2000 RTFM, Inc.
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All Rights Reserved
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This package is a SSLv3/TLS protocol analyzer written by Eric Rescorla
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<ekr@rtfm.com> and licensed by RTFM, Inc.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. All advertising materials mentioning features or use of this software
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must display the following acknowledgement:
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This product includes software developed by Eric Rescorla for
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RTFM, Inc.
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4. Neither the name of RTFM, Inc. nor the name of Eric Rescorla may be
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used to endorse or promote products derived from this
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software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY ERIC RESCORLA AND RTFM, INC. ``AS IS'' AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY SUCH DAMAGE.
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$Id: tcpconn.h,v 1.4 2001/07/20 23:33:15 ekr Exp $
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ekr@rtfm.com Tue Dec 29 13:00:52 1998
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*/
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#ifndef _tcpconn_h
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#define _tcpconn_h
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typedef struct segment_ {
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u_char *data;
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u_int len;
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tcp_seq s_seq;
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packet *p;
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struct segment_ *next;
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} segment;
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typedef struct stream_data_ {
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tcp_seq seq;
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tcp_seq ack;
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short close;
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segment *oo_queue;
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} stream_data;
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typedef struct tcp_conn_ {
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int conn_number;
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int state;
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#define TCP_STATE_SYN1 1
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#define TCP_STATE_SYN2 2
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#define TCP_STATE_ACK 3
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#define TCP_STATE_ESTABLISHED 4
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#define TCP_STATE_FIN1 5
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#define TCP_STATE_CLOSED 6
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/*The address which sent the first SYN*/
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struct in_addr i_addr;
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u_short i_port;
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/*The address which sent the second SYN*/
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struct in_addr r_addr;
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u_short r_port;
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stream_data i2r; /*The stream from initiator to responder*/
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stream_data r2i; /*The stream from responder to initiator*/
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struct timeval start_time;
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struct timeval last_seen_time;
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proto_handler *analyzer; /*The analyzer to call with new data*/
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struct conn_struct_ *backptr;
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} tcp_conn;
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int tcp_find_conn PROTO_LIST((tcp_conn **connp,
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int *directionp,
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struct in_addr *src_addr, u_short src_port,
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struct in_addr *dst_addr, u_short dst_port));
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int tcp_create_conn PROTO_LIST((tcp_conn **connp,
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struct in_addr *initiator_addr, u_short initiator_port,
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struct in_addr *responder_addr, u_short responder_port));
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int tcp_destroy_conn PROTO_LIST((tcp_conn *conn));
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int free_tcp_segment_queue PROTO_LIST((segment *seg));
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int copy_tcp_segment_queue PROTO_LIST((segment **out,segment *in));
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int clean_old_conn(void);
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int destroy_all_conn(void);
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#endif
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