74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
|
/*
|
||
|
|
* $smu-mark$
|
||
|
|
* $name: linux_sockpacket.c$
|
||
|
|
* $author: Salvatore Sanfilippo <antirez@invece.org>$
|
||
|
|
* $copyright: Copyright (C) 1999 by Salvatore Sanfilippo$
|
||
|
|
* $license: This software is under GPL version 2 of license$
|
||
|
|
* $date: Fri Nov 5 11:55:48 MET 1999$
|
||
|
|
* $rev: 8$
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "hping2.h"
|
||
|
|
|
||
|
|
#if (defined OSTYPE_LINUX) && (!defined FORCE_LIBPCAP)
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <sys/socket.h>
|
||
|
|
#include <netinet/in.h>
|
||
|
|
#include <unistd.h> /* close */
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#include "globals.h"
|
||
|
|
|
||
|
|
static void enlarge_recvbuf(int fd)
|
||
|
|
{
|
||
|
|
int val = 131070;
|
||
|
|
int len = sizeof(val);
|
||
|
|
|
||
|
|
/* Don't check the error: non fatal */
|
||
|
|
setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (const char *) &val, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef ETH_P_IPV6
|
||
|
|
# define ETH_P_IPV6 0x86DD
|
||
|
|
#endif
|
||
|
|
|
||
|
|
int open_sockpacket()
|
||
|
|
{
|
||
|
|
int s;
|
||
|
|
|
||
|
|
if (opt_debug)
|
||
|
|
printf("DEBUG: Trying to open PF_PACKET socket... ");
|
||
|
|
|
||
|
|
// s = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_IP));
|
||
|
|
// s = socket(PF_PACKET, SOCK_DGRAM, 768);
|
||
|
|
if(opt_ipv6)
|
||
|
|
s = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IPV6));
|
||
|
|
else
|
||
|
|
s = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IP));
|
||
|
|
|
||
|
|
if (s == -1) {
|
||
|
|
if (opt_debug) {
|
||
|
|
printf("DEBUG: failed ( 2.0.x kernel? )\n");
|
||
|
|
printf("DEBUG: Trying to open SOCK_PACKET socket... ");
|
||
|
|
}
|
||
|
|
s = socket(AF_INET, SOCK_PACKET, htons(ETH_P_IP));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (s == -1) {
|
||
|
|
perror("[open_sockpacket] socket()");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
enlarge_recvbuf(s);
|
||
|
|
|
||
|
|
if (opt_debug)
|
||
|
|
printf("DEBUG: PF_PACKET, SOCK_RAW open OK\n");
|
||
|
|
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
|
||
|
|
int close_sockpacket(int s)
|
||
|
|
{
|
||
|
|
return close(s);
|
||
|
|
}
|
||
|
|
#endif /* OSTYPE_LINUX && !FORCE_LIBPCAP */
|