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/*
* netsniff-ng - the packet sniffing beast
* Copyright 2009, 2010 Daniel Borkmann.
* Copyright 2009, 2010 Emmanuel Roullit.
* Subject to the GPL, version 2.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <stdarg.h>
#include <ctype.h>
#include <signal.h>
#include <arpa/inet.h>
#include <time.h>
#include <sched.h>
#include <limits.h>
#include <stdbool.h>
#include <netdb.h>
#include <ifaddrs.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/resource.h>
#include <sys/epoll.h>
#include <sys/syscall.h>
#include <asm/unistd.h>
#include <linux/if.h>
#include <linux/socket.h>
#include <linux/types.h>
#include <linux/if_ether.h>
#include <linux/if_packet.h>
#include <linux/sockios.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
#include "die.h"
#include "str.h"
#include "xutils.h"
#include "ring.h"
#include "sock.h"
#include "built_in.h"
void set_epoll_descriptor(int fd_epoll, int action, int fd_toadd, int events)
{
int ret;
struct epoll_event ev;
memset(&ev, 0, sizeof(ev));
ev.events = events;
ev.data.fd = fd_toadd;
ret = epoll_ctl(fd_epoll, action, fd_toadd, &ev);
if (ret < 0)
panic("Cannot add socket for epoll!\n");
}
int set_epoll_descriptor2(int fd_epoll, int action, int fd_toadd, int events)
{
struct epoll_event ev;
memset(&ev, 0, sizeof(ev));
ev.events = events;
ev.data.fd = fd_toadd;
return epoll_ctl(fd_epoll, action, fd_toadd, &ev);
}
void register_signal(int signal, void (*handler)(int))
{
sigset_t block_mask;
struct sigaction saction;
sigfillset(&block_mask);
saction.sa_handler = handler;
saction.sa_mask = block_mask;
saction.sa_flags = SA_RESTART;
sigaction(signal, &saction, NULL);
}
void register_signal_f(int signal, void (*handler)(int), int flags)
{
sigset_t block_mask;
struct sigaction saction;
sigfillset(&block_mask);
saction.sa_handler = handler;
saction.sa_mask = block_mask;
saction.sa_flags = flags;
sigaction(signal, &saction, NULL);
}
void set_itimer_interval_value(struct itimerval *itimer, unsigned long sec,
unsigned long usec)
{
itimer->it_interval.tv_sec = sec;
itimer->it_interval.tv_usec = usec;
itimer->it_value.tv_sec = sec;
itimer->it_value.tv_usec = usec;
}
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