netinet/ip_var.h를 찾을 수 없다고 나오는데요^^

libpcap]# gcc -o completePcap completePcap.c -lpcap
completePcap.c:17:53: netinet/ip_var.h: 그런 파일이나 디렉토리가 없음

소스는^^

#include <stdio.h>
#include <pcap.h>
#include <sys/socket.h>

#include <netinet/in_systm.h>

#include <netinet/in.h>

#include <netinet/ip.h>

#include <netinet/ip_var.h>

#include <netinet/tcp.h>

#include <net/if.h>

#include <netinet/if_ether.h>

#include <arpa/inet.h>

// filtering rule

#define FILTER_RULE "host 168.131.161.1"

#define PCAP_SNAPSHOT 1024

#define PCAP_TIMEOUT 100

void packet_view(unsigned char *, const struct pcap_pkthdr *, const unsigned char *);

int main(int argc, char *argv[]) {

char *dev;

char errbuf[PCAP_ERRBUF_SIZE];

bpf_u_int32 net;

bpf_u_int32 netmask;

struct in_addr net_addr, mask_addr;

pcap_t *pd;

struct bpf_program fcode;

if(!(dev = pcap_lookupdev(errbuf))) {

perror(errbuf);

exit(1);

}

if(pcap_lookupnet(dev, &net, &netmask, errbuf) < 0) {

perror(errbuf);

exit(1);

}

net_addr.s_addr = net;

mask_addr.s_addr = netmask;

printf("Device : %s\n", dev);

printf("Net Address : %s\n", inet_ntoa(net_addr));

printf("Netmask : %s\n", inet_ntoa(mask_addr));

if((pd = pcap_open_live(dev, PCAP_SNAPSHOT, 1, PCAP_TIMEOUT, errbuf)) == NULL) {

perror(errbuf);

exit(1);

}

if(pcap_compile(pd, &fcode, FILTER_RULE, 0, netmask) < 0) {

perror(pcap_geterr(pd));

exit(1);

}

// set filtering rule

if(pcap_setfilter(pd, &fcode) < 0) {

perror(pcap_geterr(pd));

exit(1);

}

// read packet forever

if(pcap_loop(pd, -1, packet_view, 0) < 0) {

perror(pcap_geterr(pd));

exit(1);

}

pcap_close(pd);

return 1;

}

/*

* packet_view

* print packets

*/

void packet_view(unsigned char *user, const struct pcap_pkthdr *h, const unsigned char *p) {

struct ip *iph;

struct ether_header *etherh;

unsigned short e_type;

// p가 ip header를 가리키도록 ethernet header의 크기만큼 증가 시킴

etherh = (struct ether_header *)p;

e_type = ntohs(etherh->ether_type);

if( e_type == ETHERTYPE_IP ) {

printf("ip \n");

p += sizeof(struct ether_header);

iph = (struct ip *) p;

// ip header의 정보를 출력

printf("SRC = %s\n", inet_ntoa(iph->ip_src));

printf("DST = %s\n", inet_ntoa(iph->ip_dst));

printf("IP Version = %d\n", iph->ip_v);

}else if( e_type == ETHERTYPE_ARP ) {

printf("arp \n");

}else if( e_type == ETHERTYPE_REVARP ) {

printf("rarp \n");

}else {

printf("no such type -> type : %d\n", e_type);
}
}