| resend.c (53024) | resend.c (72003) |
|---|---|
| 1/* 2 * resend.c (C) 1995-1998 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 * Redistribution and use in source and binary forms are permitted 10 * provided that this notice is preserved and due credit is given 11 * to the original author and the contributors. 12 */ 13#if !defined(lint) 14static const char sccsid[] = "@(#)resend.c 1.3 1/11/96 (C)1995 Darren Reed"; | 1/* 2 * resend.c (C) 1995-1998 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 * Redistribution and use in source and binary forms are permitted 10 * provided that this notice is preserved and due credit is given 11 * to the original author and the contributors. 12 */ 13#if !defined(lint) 14static const char sccsid[] = "@(#)resend.c 1.3 1/11/96 (C)1995 Darren Reed"; |
| 15static const char rcsid[] = "@(#)$Id: resend.c,v 2.1 1999/08/04 17:31:12 darrenr Exp $"; | 15static const char rcsid[] = "@(#)$Id: resend.c,v 2.1.4.1 2001/01/10 06:21:20 darrenr Exp $"; |
| 16#endif 17#include <stdio.h> 18#include <netdb.h> 19#include <string.h> 20#include <stdlib.h> 21#include <unistd.h> 22#include <sys/types.h> 23#include <sys/time.h> --- 68 unchanged lines hidden (view full) --- 92 else 93 fd = (*r->r_open)("-"); 94 95 if (fd < 0) 96 exit(-1); 97 98 ip = (struct ip *)pbuf; 99 eh = (ether_header_t *)malloc(sizeof(*eh)); | 16#endif 17#include <stdio.h> 18#include <netdb.h> 19#include <string.h> 20#include <stdlib.h> 21#include <unistd.h> 22#include <sys/types.h> 23#include <sys/time.h> --- 68 unchanged lines hidden (view full) --- 92 else 93 fd = (*r->r_open)("-"); 94 95 if (fd < 0) 96 exit(-1); 97 98 ip = (struct ip *)pbuf; 99 eh = (ether_header_t *)malloc(sizeof(*eh)); |
| 100 if(!eh) 101 { 102 perror("malloc failed"); 103 return -2; 104 } |
|
| 100 101 bzero((char *)A_A eh->ether_shost, sizeof(eh->ether_shost)); 102 if (gwip.s_addr && (arp((char *)&gwip, dhost) == -1)) 103 { 104 perror("arp"); 105 return -2; 106 } 107 --- 35 unchanged lines hidden --- | 105 106 bzero((char *)A_A eh->ether_shost, sizeof(eh->ether_shost)); 107 if (gwip.s_addr && (arp((char *)&gwip, dhost) == -1)) 108 { 109 perror("arp"); 110 return -2; 111 } 112 --- 35 unchanged lines hidden --- |