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Annotation of XNU/bsd/netinet/ip_state.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * Copyright (C) 1995-1997 by Darren Reed.
        !            24:  *
        !            25:  * Redistribution and use in source and binary forms are permitted
        !            26:  * provided that this notice is preserved and due credit is given
        !            27:  * to the original author and the contributors.
        !            28:  *
        !            29:  * @(#)ip_state.h      1.3 1/12/96 (C) 1995 Darren Reed
        !            30:  */
        !            31: #ifndef        __IP_STATE_H__
        !            32: #define        __IP_STATE_H__
        !            33: 
        !            34: #define        IPSTATE_SIZE    257
        !            35: #define        IPSTATE_MAX     2048    /* Maximum number of states held */
        !            36: 
        !            37: #define        PAIRS(s1,d1,s2,d2)      ((((s1) == (s2)) && ((d1) == (d2))) ||\
        !            38:                                 (((s1) == (d2)) && ((d1) == (s2))))
        !            39: #define        IPPAIR(s1,d1,s2,d2)     PAIRS((s1).s_addr, (d1).s_addr, \
        !            40:                                      (s2).s_addr, (d2).s_addr)
        !            41: 
        !            42: 
        !            43: typedef struct udpstate {
        !            44:        u_short us_sport;
        !            45:        u_short us_dport;
        !            46: } udpstate_t;
        !            47: 
        !            48: typedef struct icmpstate {
        !            49:        u_short ics_id;
        !            50:        u_short ics_seq;
        !            51:        u_char  ics_type;
        !            52: } icmpstate_t;
        !            53: 
        !            54: typedef        struct tcpstate {
        !            55:        u_short ts_sport;
        !            56:        u_short ts_dport;
        !            57:        u_long  ts_seq;
        !            58:        u_long  ts_ack;
        !            59:        u_short ts_swin;
        !            60:        u_short ts_dwin;
        !            61:        u_char  ts_state[2];
        !            62: } tcpstate_t;
        !            63: 
        !            64: typedef struct ipstate {
        !            65:        struct  ipstate *is_next;
        !            66:        u_long  is_age;
        !            67:        u_int   is_pass;
        !            68:        U_QUAD_T        is_pkts;
        !            69:        U_QUAD_T        is_bytes;
        !            70:        void    *is_ifpin;
        !            71:        void    *is_ifpout;
        !            72:        struct  in_addr is_src;
        !            73:        struct  in_addr is_dst;
        !            74:        u_char  is_p;
        !            75:        u_char  is_flags;
        !            76:        u_32_t  is_opt;
        !            77:        u_32_t  is_optmsk;
        !            78:        u_short is_sec;
        !            79:        u_short is_secmsk;
        !            80:        u_short is_auth;
        !            81:        u_short is_authmsk;
        !            82:        union {
        !            83:                icmpstate_t     is_ics;
        !            84:                tcpstate_t      is_ts;
        !            85:                udpstate_t      is_us;
        !            86:        } is_ps;
        !            87: } ipstate_t;
        !            88: 
        !            89: #define        is_icmp is_ps.is_ics
        !            90: #define        is_tcp  is_ps.is_ts
        !            91: #define        is_udp  is_ps.is_us
        !            92: #define        is_seq  is_tcp.ts_seq
        !            93: #define        is_ack  is_tcp.ts_ack
        !            94: #define        is_dwin is_tcp.ts_dwin
        !            95: #define        is_swin is_tcp.ts_swin
        !            96: #define        is_sport        is_tcp.ts_sport
        !            97: #define        is_dport        is_tcp.ts_dport
        !            98: #define        is_state        is_tcp.ts_state
        !            99: 
        !           100: #define        TH_OPENING      (TH_SYN|TH_ACK)
        !           101: 
        !           102: 
        !           103: typedef        struct  ipslog  {
        !           104:        U_QUAD_T        isl_pkts;
        !           105:        U_QUAD_T        isl_bytes;
        !           106:        struct  in_addr isl_src;
        !           107:        struct  in_addr isl_dst;
        !           108:        u_char  isl_p;
        !           109:        u_char  isl_flags;
        !           110:        u_short isl_type;
        !           111:        union {
        !           112:                u_short isl_filler[2];
        !           113:                u_short isl_ports[2];
        !           114:                u_short isl_icmp;
        !           115:        } isl_ps;
        !           116: } ipslog_t;
        !           117: 
        !           118: #define        isl_sport       isl_ps.isl_ports[0]
        !           119: #define        isl_dport       isl_ps.isl_ports[1]
        !           120: #define        isl_itype       isl_ps.isl_icmp
        !           121: 
        !           122: #define        ISL_NEW         0
        !           123: #define        ISL_EXPIRE      0xffff
        !           124: #define        ISL_FLUSH       0xfffe
        !           125: 
        !           126: 
        !           127: typedef        struct  ips_stat {
        !           128:        u_long  iss_hits;
        !           129:        u_long  iss_miss;
        !           130:        u_long  iss_max;
        !           131:        u_long  iss_tcp;
        !           132:        u_long  iss_udp;
        !           133:        u_long  iss_icmp;
        !           134:        u_long  iss_nomem;
        !           135:        u_long  iss_expire;
        !           136:        u_long  iss_fin;
        !           137:        u_long  iss_active;
        !           138:        u_long  iss_logged;
        !           139:        u_long  iss_logfail;
        !           140:        ipstate_t **iss_table;
        !           141: } ips_stat_t;
        !           142: 
        !           143: 
        !           144: extern u_long  fr_tcpidletimeout;
        !           145: extern u_long  fr_tcpclosewait;
        !           146: extern u_long  fr_tcplastack;
        !           147: extern u_long  fr_tcptimeout;
        !           148: extern u_long  fr_tcpclosed;
        !           149: extern u_long  fr_udptimeout;
        !           150: extern u_long  fr_icmptimeout;
        !           151: extern int     fr_tcpstate __P((ipstate_t *, fr_info_t *, ip_t *, tcphdr_t *));
        !           152: extern int     fr_addstate __P((ip_t *, fr_info_t *, u_int));
        !           153: extern int     fr_checkstate __P((ip_t *, fr_info_t *));
        !           154: extern void    fr_timeoutstate __P((void));
        !           155: extern void    fr_tcp_age __P((u_long *, u_char *, ip_t *, fr_info_t *, int));
        !           156: extern void    fr_stateunload __P((void));
        !           157: extern void    ipstate_log __P((struct ipstate *, u_short));
        !           158: #if defined(__NetBSD__) || defined(__OpenBSD__)
        !           159: extern int     fr_state_ioctl __P((caddr_t, u_long, int));
        !           160: #else
        !           161: extern int     fr_state_ioctl __P((caddr_t, int, int));
        !           162: #endif
        !           163: 
        !           164: #endif /* __IP_STATE_H__ */

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