zmap-mark-ii/src/socket-linux.c

37 lines
806 B
C

/*
* ZMap Copyright 2013 Regents of the University of Michigan
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*/
#include "socket.h"
#include <string.h>
#include <errno.h>
#include "../lib/includes.h"
#include "../lib/logger.h"
#include "state.h"
sock_t get_socket(UNUSED uint32_t id)
{
int sock;
if (zconf.send_ip_pkts) {
sock = socket(AF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL));
} else {
sock = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
}
if (sock <= 0) {
log_fatal("send",
"couldn't create socket. "
"Are you root? Error: %s\n",
strerror(errno));
}
sock_t s;
s.sock = sock;
return s;
}