ip_scan.h

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    1 /*      $NetBSD: ip_scan.h,v 1.1.1.1 2004/03/28 08:56:49 martti Exp $   */
    2 
    3 /*
    4  * Copyright (C) 1993-2001 by Darren Reed.
    5  *
    6  * See the IPFILTER.LICENCE file for details on licencing.
    7  *
    8  * @(#)ip_fil.h 1.35 6/5/96
    9  * Id: ip_scan.h,v 2.9 2003/07/25 22:05:01 darrenr Exp
   10  */
   11 
   12 #ifndef __IP_SCAN_H__
   13 #define __IP_SCAN_H__ 1
   14 
   15 #ifdef sun
   16 # include <sys/ioccom.h>
   17 #endif
   18 
   19 #define IPSCAN_NAME     "/dev/ipscan"
   20 #define IPL_SCAN        IPSCAN_NAME
   21 #define ISC_TLEN        16
   22 
   23 
   24 struct fr_info;
   25 struct frentry;
   26 struct ip;
   27 struct ipstate;
   28 
   29 
   30 #if defined(__STDC__) || defined(__GNUC__)
   31 # define        SIOCADSCA       _IOWR('r', 60, struct ipscan *)
   32 # define        SIOCRMSCA       _IOWR('r', 61, struct ipscan *)
   33 # define        SIOCGSCST       _IOWR('r', 62, struct ipscan *)
   34 #else
   35 # define        SIOCADSCA       _IOWR(r, 60, struct ipscan *)
   36 # define        SIOCRMSCA       _IOWR(r, 61, struct ipscan *)
   37 # define        SIOCGSCST       _IOWR(r, 62, struct ipscan *)
   38 #endif
   39 
   40 struct  action  {
   41         int             act_val;        /* what to do */
   42         struct  in_addr act_ip;         /* redirect IP# */
   43         u_short         act_port;       /* redirect port number */
   44         int             act_else;       /* what to do */
   45         struct  in_addr act_eip;        /* redirect IP# */
   46         u_short         act_eport;      /* redirect port number */
   47 };
   48 
   49 
   50 typedef struct  sinfo {
   51         char    s_txt[ISC_TLEN];        /* text to match */
   52         char    s_msk[ISC_TLEN];        /* mask of the above to check */
   53         int     s_len;                  /* length of server text */
   54 } sinfo_t;
   55 
   56 
   57 typedef struct  ipscan  {
   58         struct  ipscan  *ipsc_next;
   59         struct  ipscan  **ipsc_pnext;
   60         char            ipsc_tag[ISC_TLEN];     /* table entry protocol tag */
   61         sinfo_t         ipsc_si[2];     /* client/server side information */
   62         int             ipsc_hits;      /* times this has been matched */
   63         int             ipsc_active;    /* # of active matches */
   64         int             ipsc_fref;      /* # of references from filter rules */
   65         int             ipsc_sref;      /* # of references from state entries */
   66         struct  action  ipsc_act;
   67 } ipscan_t;
   68 
   69 
   70 #define ipsc_cl         ipsc_si[0]
   71 #define ipsc_sl         ipsc_si[1]
   72 #define ipsc_ctxt       ipsc_cl.s_txt
   73 #define ipsc_cmsk       ipsc_cl.s_msk
   74 #define ipsc_clen       ipsc_cl.s_len
   75 #define ipsc_stxt       ipsc_sl.s_txt
   76 #define ipsc_smsk       ipsc_sl.s_msk
   77 #define ipsc_slen       ipsc_sl.s_len
   78 #define ipsc_action     ipsc_act.act_val
   79 #define ipsc_ip         ipsc_act.act_ip
   80 #define ipsc_port       ipsc_act.act_port
   81 #define ipsc_else       ipsc_act.act_else
   82 #define ipsc_eip        ipsc_act.act_eip
   83 #define ipsc_eport      ipsc_act.act_eport
   84 
   85 #define ISC_A_NONE      0
   86 #define ISC_A_TRACK     1
   87 #define ISC_A_CLOSE     2
   88 #define ISC_A_REDIRECT  3
   89 
   90 
   91 typedef struct  ipscanstat      {
   92         struct  ipscan  *iscs_list;
   93         u_long          iscs_acted;
   94         u_long          iscs_else;
   95         int             iscs_entries;
   96 } ipscanstat_t;
   97 
   98 
   99 extern  int fr_scan_ioctl __P((caddr_t, ioctlcmd_t, int));
  100 extern  int ipsc_init __P((void));
  101 extern  int ipsc_attachis __P((struct ipstate *));
  102 extern  int ipsc_attachfr __P((struct frentry *));
  103 extern  int ipsc_detachis __P((struct ipstate *));
  104 extern  int ipsc_detachfr __P((struct frentry *));
  105 extern  int ipsc_packet __P((struct fr_info *, struct ipstate *));
  106 extern  void fr_scanunload __P((void));
  107 
  108 #endif /* __IP_SCAN_H__ */

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FreeBSD/Linux Kernel Cross Reference sys/netinet/ip_scan.h

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sys/netinet/ip_scan.h