contrib/ipfilter/mlh_rule.c

   1 /*      $FreeBSD$       */
   2
   3 /*
   4  * Copyright (C) 2012 by Darren Reed.
   5  *
   6  * See the IPFILTER.LICENCE file for details on licencing.
   7  *
   8  */
   9 /* #pragma ident   "@(#)solaris.c       1.12 6/5/96 (C) 1995 Darren Reed"*/
  10
  11 /*typedef unsigned int spustate_t;*/
  12 struct uio;
  13
  14 #include <sys/types.h>
  15 #include <sys/cmn_err.h>
  16 #include <sys/kernel.h>
  17 #include <sys/systm.h>
  18 #include <sys/malloc.h>
  19 #include <sys/conf.h>
  20 #include <sys/callout.h>
  21 #include <sys/moddefs.h>
  22 #include <sys/io.h>
  23 #include <sys/wsio.h>
  24 #include <sys/param.h>
  25 #include <sys/errno.h>
  26 #include <sys/byteorder.h>
  27 #include <sys/socket.h>
  28 #include <sys/stropts.h>
  29 #include <net/if.h>
  30 #include <net/af.h>
  31 #include <net/route.h>
  32 #include <netinet/in.h>
  33 #include <netinet/in_systm.h>
  34 #include <netinet/if_ether.h>
  35 #include <netinet/ip.h>
  36 #include <netinet/ip_var.h>
  37 #include <netinet/tcp.h>
  38 #include <netinet/udp.h>
  39 #include <netinet/tcpip.h>
  40 #include <netinet/ip_icmp.h>
  41
  42 #include "ip_compat.h"
  43 #include "ip_fil.h"
  44 #include "ip_rules.h"
  45
  46
  47 /*
  48  * Driver Header
  49  */
  50 static drv_info_t ipf_drv_info = {
  51         "IP Filter Rules",                              /* type */
  52         "pseudo",                                       /* class */
  53         DRV_PSEUDO|DRV_SAVE_CONF|DRV_MP_SAFE,           /* flags */
  54         -1,                                             /* b_major */
  55         -1,                                             /* c_major */
  56         NULL,                                           /* cdio */
  57         NULL,                                           /* gio_private */
  58         NULL,                                           /* cdio_private */
  59 };
  60
  61
  62 extern  struct  mod_operations  gio_mod_ops;
  63 static  drv_info_t      ipf_drv_info;
  64 extern  struct  mod_conf_data   ipf_conf_data;
  65
  66 static struct mod_type_data     ipf_drv_link = {
  67         IPL_VERSION, (void *)NULL
  68 };
  69
  70 static  struct  modlink ipf_mod_link[] = {
  71         { &gio_mod_ops, (void *)&ipf_drv_link },
  72         { NULL, (void *)NULL }
  73 };
  74
  75 struct  modwrapper      ipf_wrapper = {
  76         MODREV,
  77         ipf_load,
  78         ipf_unload,
  79         (void (*)())NULL,
  80         (void *)&ipf_conf_data,
  81         ipf_mod_link
  82 };
  83
  84
  85 static int ipf_load(void *arg)
  86 {
  87         int i;
  88
  89         i = ipfrule_add();
  90         if (!i)
  91                 ipf_refcnt--;
  92 #ifdef  IPFDEBUG
  93         printf("IP Filter Rules: ipfrule_add() = %d\n", i);
  94 #endif
  95         if (!i)
  96                 cmn_err(CE_CONT, "IP Filter Rules: Loaded\n");
  97         return i;
  98 }
  99
 100
 101 static int ipf_unload(void *arg)
 102 {
 103         int i;
 104
 105         i = ipfrule_remove();
 106         if (!i)
 107                 ipf_refcnt--;
 108 #ifdef  IPFDEBUG
 109         printf("IP Filter Rules: ipfrule_remove() = %d\n", i);
 110 #endif
 111         if (!i)
 112                 cmn_err(CE_CONT, "IP Filter Rules: Unloaded\n");
 113         return i;
 114 }