ip_scan.h

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    1 /*
    2  * Copyright (C) 2012 by Darren Reed.
    3  *
    4  * See the IPFILTER.LICENCE file for details on licencing.
    5  *
    6  * @(#)ip_fil.h 1.35 6/5/96
    7  * $Id$
    8  */
    9 
   10 #ifndef __IP_SCAN_H__
   11 #define __IP_SCAN_H__ 1
   12 
   13 #ifdef sun
   14 # include <sys/ioccom.h>
   15 #endif
   16 
   17 #define IPSCAN_NAME     "/dev/ipscan"
   18 #define IPL_SCAN        IPSCAN_NAME
   19 #define ISC_TLEN        16
   20 
   21 
   22 struct fr_info;
   23 struct frentry;
   24 struct ip;
   25 struct ipstate;
   26 
   27 
   28 # define        SIOCADSCA       _IOWR('r', 60, struct ipscan *)
   29 # define        SIOCRMSCA       _IOWR('r', 61, struct ipscan *)
   30 # define        SIOCGSCST       _IOWR('r', 62, struct ipscan *)
   31 
   32 struct  action  {
   33         int             act_val;        /* what to do */
   34         struct  in_addr act_ip;         /* redirect IP# */
   35         u_short         act_port;       /* redirect port number */
   36         int             act_else;       /* what to do */
   37         struct  in_addr act_eip;        /* redirect IP# */
   38         u_short         act_eport;      /* redirect port number */
   39 };
   40 
   41 
   42 typedef struct  sinfo {
   43         char    s_txt[ISC_TLEN];        /* text to match */
   44         char    s_msk[ISC_TLEN];        /* mask of the above to check */
   45         int     s_len;                  /* length of server text */
   46 } sinfo_t;
   47 
   48 
   49 typedef struct  ipscan  {
   50         struct  ipscan  *ipsc_next;
   51         struct  ipscan  **ipsc_pnext;
   52         char            ipsc_tag[ISC_TLEN];     /* table entry protocol tag */
   53         sinfo_t         ipsc_si[2];     /* client/server side information */
   54         int             ipsc_hits;      /* times this has been matched */
   55         int             ipsc_active;    /* # of active matches */
   56         int             ipsc_fref;      /* # of references from filter rules */
   57         int             ipsc_sref;      /* # of references from state entries */
   58         struct  action  ipsc_act;
   59 } ipscan_t;
   60 
   61 
   62 #define ipsc_cl         ipsc_si[0]
   63 #define ipsc_sl         ipsc_si[1]
   64 #define ipsc_ctxt       ipsc_cl.s_txt
   65 #define ipsc_cmsk       ipsc_cl.s_msk
   66 #define ipsc_clen       ipsc_cl.s_len
   67 #define ipsc_stxt       ipsc_sl.s_txt
   68 #define ipsc_smsk       ipsc_sl.s_msk
   69 #define ipsc_slen       ipsc_sl.s_len
   70 #define ipsc_action     ipsc_act.act_val
   71 #define ipsc_ip         ipsc_act.act_ip
   72 #define ipsc_port       ipsc_act.act_port
   73 #define ipsc_else       ipsc_act.act_else
   74 #define ipsc_eip        ipsc_act.act_eip
   75 #define ipsc_eport      ipsc_act.act_eport
   76 
   77 #define ISC_A_NONE      0
   78 #define ISC_A_TRACK     1
   79 #define ISC_A_CLOSE     2
   80 #define ISC_A_REDIRECT  3
   81 
   82 
   83 typedef struct  ipscanstat      {
   84         struct  ipscan  *iscs_list;
   85         u_long          iscs_acted;
   86         u_long          iscs_else;
   87         int             iscs_entries;
   88 } ipscanstat_t;
   89 
   90 
   91 extern  int ipf_scan_ioctl(ipf_main_softc_t *, caddr_t, ioctlcmd_t, int, int, void *);
   92 extern  int ipf_scan_init(void);
   93 extern  int ipf_scan_attachis(struct ipstate *);
   94 extern  int ipf_scan_attachfr(struct frentry *);
   95 extern  int ipf_scan_detachis(struct ipstate *);
   96 extern  int ipf_scan_detachfr(struct frentry *);
   97 extern  int ipf_scan_packet(struct fr_info *, struct ipstate *);
   98 extern  void ipf_scan_unload(ipf_main_softc_t *);
   99 
  100 #endif /* __IP_SCAN_H__ */

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

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