20CN网络安全小组论坛 - 编程破解

论坛: 编程破解标题: 请提示

作者: hack520 [hack520]

论坛用户

请提示如下代码:
#include<stdio.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<netinet/in_systm.h>
#include<netinet/ip.h>
#include<netinet/if_ether.h>
#include<pcap.h>
#include<netdb.h>
#define MAXSTRINGSIZE 256
#define MAXSIZE 1024
#fefine DEFAULT_SNAPLEN 68
typedef struct
{
unsigned long int ipaddr;
char hostname[MAXSTRINGSIZE];
}dnstable;
typedef struct
{
dnstable table[MAXSIZE];
int front;
int rear;
}sequeue;
sequeue *sq;
sq->rear=sq->front=0;
void print_hwadd(u_char * hwadd)
{
for(int i=0,i<5;++i)
printf("%2x:",hwadd[i]);
printf("%2x",hwadd[i]);
}
void print_ipadd(u_char *ipadd)
{
for(int i=0;i<3;++i)
printf("%d.",ipadd[i]);
printf("%d",ipadd[i]);
}
void getportname(int portno,char portna[],char* proto)
{
if(getservbyport(htons(portno),proto)!=NULL)
{
strcpy(portna,getservbyport(htons(portno),proto)->s_name);
}
else
sprintf(portna,"%d",portno);
}
void iptohost(unsigned long int ipad,char* hostn)
{
struct hostent * shostname;
int m,n,i;
m=sq->rear;
n=sq->front;
for(i=n%MAXSIZE;i=m%MAXSIZE;i=(++n)%MAXSIZE)
{
if(sq->table[i].ipaddr==ipad)
{
strcpy(hostn,sq->table[i].hostname);
break;
}
}
if(i=m%MAXSIZE)
{
if((sq->rear+1)%MAXSIZE=sq->front)
sq->front=(sq->front+1)%MAXSIZE;
sq->table[i].ipaddr=ipad;
shostname=gethostbyaddr((char*)&ipad,sizeof(ipad),AF_INET);
if(shostname!=NULL)
strcpy(sq->table[i].hostname,shostname->h_name);
else
strcpy(sq->table[i].hostname,"");
sq->rear=(sq->rear+1)%MAXSIZE;
}
}
void print_hostname(u_char* ipadd)
{
unsigned long int ipad;
char hostn[MAXSTRINTSIZE];
ipad=*((unsigned long int *)ipadd);
iptohost(ipad,hostn)
if(strlen(hostn)>0)
printf("%s",hostn);
else
print_ipadd(ipadd);
}
void packet_proce(u_char* packets,const struct pcap_pkthdr * header,const u_char *pp)
{
struct ether_header * eth;
struct ether_arp * arth;
struct ip * iph;
struct tcphdr * tcph;
struct udphdr * udph;
u_short srcport,dstport;
char protocol[MAXSTRINGSIZE];
char srcp[MAXSTRINGSIZE],dstp[MAXSTRINGSIZE];
unsigned int ptype;
u_char * data;
u_char tcpudpdata[MAXSTRINGSIZE];
int i;
eth=(struct ether_header *)pp;
ptype=ntohs(((struct ether_header *)pp)->ether_type);
if((ptype==ETHERTYPE_ARP)||(ptype==ETHERTYPE_RARP))
{
arph=(struct ether_arp *)(pp+sizeof(struct ether_header));
if(ptype==ETHERTYPE_ARP)
printf("arp ");
else
printf("rarp ");
print_hwadd((u_char *)&(arph->arp_sha));
printf("(");
print_hostname((u_char *)&(arph->arp_spa));
printf(")->");
print_hwadd((u_char *)&(arph->arp_tha));
printf("(");
print_hostname((u_char *)&(arph->arp_tpa));
printf(")\tpacketlen:%d",header->len);
}
else if(ptype==ETHERTYPE_IP)
{
iph=(struct ip *)(pp+sizeof(struct ether_header));
if(iph->ip_p==1)
{
strcpy(protocol,"icmp");
srcport=dstport=0;
}
else if(iph->ip_p==6)
{
strcpy(protocol,"tcp");
tcph=(struct tcphdr *)(pp+sizeof(struct ether_header)+4*iph->ip_hl);
srcport=ntohs(tcph->source);
dstport=ntohs(tcph->dest);
data=(u_char *)(pp+sizeof(struct ether_header)+4*iph->ip_hl+4*tcph->doff);
for(i=0;i<MAXSTRINGSIZE-1;++i)
{
if(i>=header->len-sizeof(struct ether_header)-4*iph->ip_hl-4*tcph->doff);
break;
else
tcpudpdata[i]=data[i];
}
}
else if(iph->ip_p=17)
{
strcpy(protocol,"udp");
udph=(struct udphdr *)(pp+sizeof(struct ether_header)+4*iph->ip_hl);
srcport=ntohs(udph->source);
dstport=ntohs(udph->dest);
data=(u_char *)(pp+sizeof(struct ether_header)+4*iph->ip_hl+8);
for(i=0;i<MAXSTRINGSIZE-1;++i)
{
if(i>=header->len-sizeof(struct ether_header)-4*iph->ip_hl-8);
break;
else
tcpudpdata[i]=data[i];
}
}
tcpudpdata[i]='\0';
getportname(srcport,srcp,protocol);
getportname(dstport,dstp,protocol);
printf("ip ");
print_hwadd(eth->ether_shost);
printf("(");
print_hostname((u_char *)&(iph->ip_src));
printf(")[%s:%s]->",protocol,srcp);
print_hwadd(eth->ether_dhost);
printf("(");
print_hostname((u_char *)&(iph->ip_dst));
printf(")[%s:%s]",protocol,dstp);
printf("\tttl:%d packetlen:%d,iph->ttl,header->len);
printf("\n");
printf("%s",tcpudpdata);
printf("==endpacket==");
}
printf("\n");
}
int main(int argc,char ** argv)
{
char ebuf[pcap_ERRBUF_SIZE];
pcap * pd;
if(argc<=1)
{
printf("usage:%s<network interface>\n",argv[0]);
exit(0);
}
if((pd=pcap_open_live(argv[1],DEFAULT_SNAPLEN,1,1000,ebuf))=NULL)
{
(void)fprintf(stderr,"%s",ebuf);
exit(1);
}
if(pcap_loop(pd,-1,packet_proce,NULL)<0)
{
(void)fprintf(stderr,"pcap_loop:%s\n",pcap_geterr(pd));
exit(1);
}
pcap_colse(pd);
exit(0);
}

编出错如下!请帮助!

Error: Unable to open include file 'SYS/SOCKET.H'
#include<stdio.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<netinet/in_systm.h>
#include<netinet/ip.h>
#include<netinet/if_ether.h>
#include<pcap.h>
#include<netdb.h>
#define MAXSTRINGSIZE 256
#define MAXSIZE 1024
────────────────────────────────── Message ───────────────────────────────────
Compiling C:\TURBOC2\TEST\US.C:
•Error C:\TURBOC2\TEST\US.C 3: Unable to open include file 'SYS/SOCKET.H'
Error C:\TURBOC2\TEST\US.C 4: Unable to open include file 'NETINET/IN.H'
Error C:\TURBOC2\TEST\US.C 5: Unable to open include file 'NETINET/IN_SYSTM.H
Error C:\TURBOC2\TEST\US.C 6: Unable to open include file 'NETINET/IP.H'
Error C:\TURBOC2\TEST\US.C 7: Unable to open include file 'NETINET/IF_ETHER.H
Error C:\TURBOC2\TEST\US.C 8: Unable to open include file 'PCAP.H'
Error C:\TURBOC2\TEST\US.C 9: Unable to open include file 'NETDB.H'

地主发表时间: 10/24 22:48