1 /* $FreeBSD$ */ 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 guarantee 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 # define __P(x) x 20 #endif 21 22 #include <net/if.h> 23 24 #include "ipf.h" 25 /* XXX: The following is needed by tcpip.h */ 26 #include <netinet/ip_var.h> 27 #include "netinet/tcpip.h" 28 #include "ipt.h" 29 30 extern int resolve(char *, char *); 31 extern int arp(char *, char *); 32 extern u_short chksum(u_short *, int); 33 extern int send_ether(int, char *, int, struct in_addr); 34 extern int send_ip(int, int, ip_t *, struct in_addr, int); 35 extern int send_tcp(int, int, ip_t *, struct in_addr); 36 extern int send_udp(int, int, ip_t *, struct in_addr); 37 extern int send_icmp(int, int, ip_t *, struct in_addr); 38 extern int send_packet(int, int, ip_t *, struct in_addr); 39 extern int send_packets(char *, int, ip_t *, struct in_addr); 40 extern u_short ipseclevel(char *); 41 extern u_32_t buildopts(char *, char *, int); 42 extern int addipopt(char *, struct ipopt_names *, int, char *); 43 extern int initdevice(char *, int); 44 extern int sendip(int, char *, int); 45 extern struct tcpcb *find_tcp(int, struct tcpiphdr *); 46 extern int ip_resend(char *, int, struct ipread *, struct in_addr, char *); 47 48 extern void ip_test1(char *, int, ip_t *, struct in_addr, int); 49 extern void ip_test2(char *, int, ip_t *, struct in_addr, int); 50 extern void ip_test3(char *, int, ip_t *, struct in_addr, int); 51 extern void ip_test4(char *, int, ip_t *, struct in_addr, int); 52 extern void ip_test5(char *, int, ip_t *, struct in_addr, int); 53 extern void ip_test6(char *, int, ip_t *, struct in_addr, int); 54 extern void ip_test7(char *, int, ip_t *, struct in_addr, int); 55 extern int do_socket(char *, int, struct tcpiphdr *, struct in_addr); 56 extern int kmemcpy(char *, void *, int); 57 58 #define KMCPY(a,b,c) kmemcpy((char *)(a), (void *)(b), (int)(c)) 59 60 #ifndef OPT_RAW 61 #define OPT_RAW 0x80000 62 #endif 63