contrib/ipfilter/ipsend/ipsend.h

   1 /*
   2  * ipsend.h (C) 1997-1998 Darren Reed
   3  *
   4  * This was written to test what size TCP fragments would get through
   5  * various TCP/IP packet filters, as used in IP firewalls.  In certain
   6  * conditions, enough of the TCP header is missing for unpredictable
   7  * results unless the filter is aware that this can happen.
   8  *
   9  * See the IPFILTER.LICENCE file for details on licencing.
  10  *
  11  */
  12 #ifndef __P
  13 # ifdef __STDC__
  14 #  define       __P(x)  x
  15 # else
  16 #  define       __P(x)  ()
  17 # endif
  18 #endif
  19
  20 #include "ip_compat.h"
  21 #ifdef  linux
  22 #include <linux/sockios.h>
  23 #endif
  24 #include "tcpip.h"
  25 #include "ipt.h"
  26 #include "ipf.h"
  27
  28 extern  int     resolve __P((char *, char *));
  29 extern  int     arp __P((char *, char *));
  30 extern  u_short chksum __P((u_short *, int));
  31 extern  int     send_ether __P((int, char *, int, struct in_addr));
  32 extern  int     send_ip __P((int, int, ip_t *, struct in_addr, int));
  33 extern  int     send_tcp __P((int, int, ip_t *, struct in_addr));
  34 extern  int     send_udp __P((int, int, ip_t *, struct in_addr));
  35 extern  int     send_icmp __P((int, int, ip_t *, struct in_addr));
  36 extern  int     send_packet __P((int, int, ip_t *, struct in_addr));
  37 extern  int     send_packets __P((char *, int, ip_t *, struct in_addr));
  38 extern  u_short seclevel __P((char *));
  39 extern  u_32_t  buildopts __P((char *, char *, int));
  40 extern  int     addipopt __P((char *, struct ipopt_names *, int, char *));
  41 extern  int     initdevice __P((char *, int, int));
  42 extern  int     sendip __P((int, char *, int));
  43 #ifdef  linux
  44 extern  struct  sock    *find_tcp __P((int, struct tcpiphdr *));
  45 #else
  46 extern  struct  tcpcb   *find_tcp __P((int, struct tcpiphdr *));
  47 #endif
  48 extern  int     ip_resend __P((char *, int, struct ipread *, struct in_addr, char *));
  49
  50 extern  void    ip_test1 __P((char *, int, ip_t *, struct in_addr, int));
  51 extern  void    ip_test2 __P((char *, int, ip_t *, struct in_addr, int));
  52 extern  void    ip_test3 __P((char *, int, ip_t *, struct in_addr, int));
  53 extern  void    ip_test4 __P((char *, int, ip_t *, struct in_addr, int));
  54 extern  void    ip_test5 __P((char *, int, ip_t *, struct in_addr, int));
  55 extern  void    ip_test6 __P((char *, int, ip_t *, struct in_addr, int));
  56 extern  void    ip_test7 __P((char *, int, ip_t *, struct in_addr, int));
  57 extern  int     do_socket __P((char *, int, struct tcpiphdr *, struct in_addr));
  58 extern  int     openkmem __P((void));
  59 extern  int     kmemcpy __P((char *, void *, int));
  60
  61 #define KMCPY(a,b,c)    kmemcpy((char *)(a), (void *)(b), (int)(c))
  62
  63 #ifndef OPT_RAW
  64 #define OPT_RAW 0x80000
  65 #endif
  66
  67 #ifndef __STDC__
  68 # ifndef const
  69 #  define const
  70 # endif
  71 #endif