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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [net/] [tcpip/] [v2_0/] [include/] [netinet/] [ip_proxy.h] - Rev 663
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//========================================================================== // // include/netinet/ip_proxy.h // // // //========================================================================== //####BSDCOPYRIGHTBEGIN#### // // ------------------------------------------- // // Portions of this software may have been derived from OpenBSD or other sources, // and are covered by the appropriate copyright disclaimers included herein. // // ------------------------------------------- // //####BSDCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): gthomas // Contributors: gthomas // Date: 2000-01-10 // Purpose: // Description: // // //####DESCRIPTIONEND#### // //========================================================================== /* $OpenBSD: ip_proxy.h,v 1.4 1999/12/15 05:20:23 kjell Exp $ */ /* * Copyright (C) 1997-1998 by Darren Reed. * * Redistribution and use in source and binary forms are permitted * provided that this notice is preserved and due credit is given * to the original author and the contributors. * */ #ifndef _NETINET_IP_PROXY_H__ #define _NETINET_IP_PROXY_H__ #ifndef SOLARIS #define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4))) #endif #ifndef APR_LABELLEN #define APR_LABELLEN 16 #endif #define AP_SESS_SIZE 53 struct nat; struct ipnat; typedef struct ap_tcp { u_short apt_sport; /* source port */ u_short apt_dport; /* destination port */ short apt_sel[2]; /* {seq,ack}{off,min} set selector */ short apt_seqoff[2]; /* sequence # difference */ tcp_seq apt_seqmin[2]; /* don't change seq-off until after this */ short apt_ackoff[2]; /* sequence # difference */ tcp_seq apt_ackmin[2]; /* don't change seq-off until after this */ u_char apt_state[2]; /* connection state */ } ap_tcp_t; typedef struct ap_udp { u_short apu_sport; /* source port */ u_short apu_dport; /* destination port */ } ap_udp_t; typedef struct ap_session { struct aproxy *aps_apr; union { struct ap_tcp apu_tcp; struct ap_udp apu_udp; } aps_un; u_int aps_flags; U_QUAD_T aps_bytes; /* bytes sent */ U_QUAD_T aps_pkts; /* packets sent */ void *aps_nat; /* pointer back to nat struct */ void *aps_data; /* private data */ int aps_p; /* protocol */ int aps_psiz; /* size of private data */ struct ap_session *aps_hnext; struct ap_session *aps_next; } ap_session_t ; #define aps_sport aps_un.apu_tcp.apt_sport #define aps_dport aps_un.apu_tcp.apt_dport #define aps_sel aps_un.apu_tcp.apt_sel #define aps_seqoff aps_un.apu_tcp.apt_seqoff #define aps_seqmin aps_un.apu_tcp.apt_seqmin #define aps_state aps_un.apu_tcp.apt_state #define aps_ackoff aps_un.apu_tcp.apt_ackoff #define aps_ackmin aps_un.apu_tcp.apt_ackmin typedef struct aproxy { char apr_label[APR_LABELLEN]; /* Proxy label # */ u_char apr_p; /* protocol */ int apr_ref; /* +1 per rule referencing it */ int apr_flags; int (* apr_init) __P((void)); int (* apr_new) __P((fr_info_t *, ip_t *, ap_session_t *, struct nat *)); int (* apr_inpkt) __P((fr_info_t *, ip_t *, ap_session_t *, struct nat *)); int (* apr_outpkt) __P((fr_info_t *, ip_t *, ap_session_t *, struct nat *)); } aproxy_t; #define APR_DELETE 1 /* * Real audio proxy structure and #defines */ typedef struct { int rap_seenpna; int rap_seenver; int rap_version; int rap_eos; /* End Of Startup */ int rap_gotid; int rap_gotlen; int rap_mode; int rap_sdone; u_short rap_plport; u_short rap_prport; u_short rap_srport; char rap_svr[19]; u_32_t rap_sbf; /* flag to indicate which of the 19 bytes have * been filled */ tcp_seq rap_sseq; } raudio_t; #define RA_ID_END 0 #define RA_ID_UDP 1 #define RA_ID_ROBUST 7 #define RAP_M_UDP 1 #define RAP_M_ROBUST 2 #define RAP_M_TCP 4 #define RAP_M_UDP_ROBUST (RAP_M_UDP|RAP_M_ROBUST) extern ap_session_t *ap_sess_tab[AP_SESS_SIZE]; extern ap_session_t *ap_sess_list; extern aproxy_t ap_proxies[]; extern int appr_init __P((void)); extern int appr_ok __P((ip_t *, tcphdr_t *, struct ipnat *)); extern void appr_free __P((aproxy_t *)); extern void aps_free __P((ap_session_t *)); extern int appr_check __P((ip_t *, fr_info_t *, struct nat *)); extern aproxy_t *appr_match __P((u_int, char *)); #endif /* _NETINET_IP_PROXY_H__ */
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