1 /* $NetBSD: ipsend.h,v 1.2 2018/04/29 15:59:07 christos Exp $ */ 2 3 /* 4 * ipsend.h (C) 1997-1998 Darren Reed 5 * 6 * This was written to test what size TCP fragments would get through 7 * various TCP/IP packet filters, as used in IP firewalls. In certain 8 * conditions, enough of the TCP header is missing for unpredictable 9 * results unless the filter is aware that this can happen. 10 * 11 * The author provides this program as-is, with no gaurantee for its 12 * suitability for any specific purpose. The author takes no responsibility 13 * for the misuse/abuse of this program and provides it for the sole purpose 14 * of testing packet filter policies. This file maybe distributed freely 15 * providing it is not modified and that this notice remains in tact. 16 * 17 */ 18 #ifndef __P 19 # ifdef __STDC__ 20 # define __P(x) x 21 # else 22 # define __P(x) () 23 # endif 24 #endif 25 26 #include <net/if.h> 27 28 #include "ipf.h" 29 #ifdef linux 30 #include <linux/sockios.h> 31 #endif 32 #include <netinet/tcp_timer.h> 33 #include <netinet/tcp_var.h> 34 #include <netinet/tcpip.h> 35 #include "ipt.h" 36 37 extern int resolve __P((char *, char *)); 38 extern int arp __P((char *, char *)); 39 extern u_short chksum __P((u_short *, int)); 40 extern int send_ether __P((int, char *, int, struct in_addr)); 41 extern int send_ip __P((int, int, ip_t *, struct in_addr, int)); 42 extern int send_tcp __P((int, int, ip_t *, struct in_addr)); 43 extern int send_udp __P((int, int, ip_t *, struct in_addr)); 44 extern int send_icmp __P((int, int, ip_t *, struct in_addr)); 45 extern int send_packet __P((int, int, ip_t *, struct in_addr)); 46 extern int send_packets __P((char *, int, ip_t *, struct in_addr)); 47 extern u_short ipseclevel __P((char *)); 48 extern u_32_t buildopts __P((char *, char *, int)); 49 extern int addipopt __P((char *, struct ipopt_names *, int, char *)); 50 extern int initdevice __P((char *, int)); 51 extern int sendip __P((int, char *, int)); 52 #ifdef linux 53 extern struct sock *find_tcp __P((int, struct tcpiphdr *)); 54 #else 55 extern struct tcpcb *find_tcp __P((int, struct tcpiphdr *)); 56 #endif 57 extern int ip_resend __P((char *, int, struct ipread *, struct in_addr, char *)); 58 59 extern void ip_test1 __P((char *, int, ip_t *, struct in_addr, int)); 60 extern void ip_test2 __P((char *, int, ip_t *, struct in_addr, int)); 61 extern void ip_test3 __P((char *, int, ip_t *, struct in_addr, int)); 62 extern void ip_test4 __P((char *, int, ip_t *, struct in_addr, int)); 63 extern void ip_test5 __P((char *, int, ip_t *, struct in_addr, int)); 64 extern void ip_test6 __P((char *, int, ip_t *, struct in_addr, int)); 65 extern void ip_test7 __P((char *, int, ip_t *, struct in_addr, int)); 66 extern int do_socket __P((char *, int, struct tcpiphdr *, struct in_addr)); 67 extern int kmemcpy __P((char *, void *, int)); 68 69 #define KMCPY(a,b,c) kmemcpy((char *)(a), (void *)(b), (int)(c)) 70 71 #ifndef OPT_RAW 72 #define OPT_RAW 0x80000 73 #endif 74