紧急求一软件（有源码更是高分)

weasea 2005-05-30 08:05:01

希望是mfc的，要能设置我需要侦听的端口。
有edit控件能显示这个端口发来的数据。。

有此软件独送一百分，
提供源码三百分。。。。

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aiyue2010 2005-05-31

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已经发送，请查收

summer54 2005-05-31

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up uper

qrlvls 2005-05-31

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上面是用 RawSocket 来监听的，你可以通过分析 IP 首部和 TCP/UDP 首部格式来取得端口号和协议类型
当然你也可以用winpcap设置过滤器来完成

qrlvls 2005-05-31

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/* create the raw socket */

if( ( raw_sock = socket( PF_PACKET, SOCK_DGRAM,
htons( ETH_P_ALL ) ) ) < 0 )
{
perror( "socket" );
return( 1 );
}

/* find the interface index */

memset( &ifr, 0, sizeof( ifr ) );
strncpy( ifr.ifr_name, argv[1], sizeof( ifr.ifr_name ) );

if( ioctl( raw_sock, SIOCGIFINDEX, &ifr ) < 0 )
{
perror( "ioctl(SIOCGIFINDEX)" );
return( 1 );
}

/* bind the raw socket to the interface */

memset( &sll, 0, sizeof( sll ) );
sll.sll_family = AF_PACKET;
sll.sll_ifindex = ifr.ifr_ifindex;
sll.sll_protocol = htons( ETH_P_ALL );

if( bind( raw_sock, (struct sockaddr *) &sll,
sizeof( sll ) ) < 0 )
{
perror( "bind" );
return( 1 );
}

/* enable promiscuous mode */

memset( &mr, 0, sizeof( mr ) );
mr.mr_ifindex = ifr.ifr_ifindex;
mr.mr_type = PACKET_MR_PROMISC;

if( setsockopt( raw_sock, SOL_PACKET, PACKET_ADD_MEMBERSHIP,
&mr, sizeof( mr ) ) < 0 )
{
perror( "setsockopt" );
return( 1 );
}

while( 1 )
{
/* wait for packets */

fromlen = sizeof( from );

if( ( n = recvfrom( raw_sock, buffer, 4096, 0,
(struct sockaddr *) &from, &fromlen ) ) < 0 )
{
if( errno == ENETDOWN )
{
sleep( 30 );
continue;
}
else
{
perror( "recvfrom" );
return( 1 );
}
}

/* skip duplicate packets on the loopback interface */

if( from.sll_pkttype == PACKET_OUTGOING &&
! strcmp( argv[1], "lo" ) )
{
continue;
}

/* we're only interested in standard IPv4 packets */

if( ntohs( from.sll_protocol ) != ETH_P_IP )
{
continue;
}

#endif

/* have a look inside the IP header */

ip = (struct ip_hdr *) buffer;

src.s_addr = ip->saddr;
dst.s_addr = ip->daddr;

/* print the local time */

tt = time( 0 );
lt = localtime( &tt );
printf( "%02d-%02d %02d:%02d:%02d ", lt->tm_mon, lt->tm_mday,
lt->tm_hour, lt->tm_min, lt->tm_sec );

switch( ip->protocol )
{
case 6: /* SOL_TCP */

printf( " TCP: " );

tcp = (struct tcp_hdr *)
( ip + sizeof( struct ip_hdr ) );

/* grab source and destination port */

sport = htons( tcp->source );
dport = htons( tcp->dest );

common:

/* and print the most interesting informations */

printf( "%15s : %-5d", inet_ntoa( src ), sport );
printf( " -> " );
printf( "%15s : %-5d", inet_ntoa( dst ), dport );
printf( " %4d\n", n );
break;

case 7: /* SOL_UDP */

udp = (struct udp_hdr *)
( ip + sizeof( struct ip_hdr ) );

printf( " UDP: " );

sport = htons( udp->source );
dport = htons( udp->dest );

goto common;

case 1: /* SOL_ICMP */

icmp = (struct icmp_hdr *) \
( ip + sizeof( struct ip_hdr ) );

printf( "ICMP: " );

sport = icmp->type;
dport = icmp->code;

goto common;

default :

printf( " unsupported IP protocol %d\n", ip->protocol );
break;
}
}

return( 0 );
}

qrlvls 2005-05-31

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/*
* IPv4 packet sniffer using raw sockets
*
* Copyright (C) 2004 Christophe Devine
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#ifdef WIN32

#pragma comment( lib, "ws2_32.lib" )

#include <winsock2.h>
#include <windows.h>

#define SIO_RCVALL 0x98000001

#else

#include <netpacket/packet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <unistd.h>

#define ETH_P_ALL 0x0003
#define ETH_P_IP 0x0800

#endif

#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <time.h>

struct ip_hdr
{
unsigned char hlv; /* +00 - header len. & version */
unsigned char tos; /* +01 - type of service */
unsigned short tot_len; /* +02 - total packet length */
unsigned short id; /* +04 - identification */
unsigned short frag_off; /* +06 - fragment offset field */
unsigned char ttl; /* +08 - time to live */
unsigned char protocol; /* +09 - ip protocol */
unsigned short check; /* +10 - ip checksum */
unsigned long saddr; /* +12 - source address */
unsigned long daddr; /* +16 - destination address */
};

struct icmp_hdr
{
unsigned char type; /* +00 - message type */
unsigned char code; /* +01 - type sub-code */
unsigned short checksum; /* +02 - icmp checksum */
unsigned short id; /* +04 - identification */
unsigned short sequence; /* +06 - sequence number */
};

struct tcp_hdr
{
unsigned short source; /* +00 - source port */
unsigned short dest; /* +02 - destination port */
unsigned long seq; /* +04 - sequence number */
unsigned long ack_seq; /* +08 - ack seq. number */
unsigned char unused; /* +12 - unused field */
unsigned char flags; /* +13 - tcp flags */
unsigned short window; /* +14 - tcp window */
unsigned short check; /* +16 - tcp checksum */
unsigned short urp_ptr; /* +18 - urgent pointer */
};

struct udp_hdr
{
unsigned short source; /* +00 - source port */
unsigned short dest; /* +02 - destination port */
unsigned short len; /* +04 - message length */
unsigned short check; /* +06 - udp checksum */
};

int main( int argc, char *argv[] )
{
unsigned short sport, dport;
unsigned char buffer[4096];
int raw_sock, n;

#ifdef WIN32

WSADATA wsaData;
SOCKET_ADDRESS_LIST *slist;
struct sockaddr_in iface;
int optval;

#else

struct sockaddr_ll sll;
struct sockaddr_ll from;
struct packet_mreq mr;
struct ifreq ifr;
int fromlen;

#endif

struct icmp_hdr *icmp;
struct udp_hdr *udp;
struct tcp_hdr *tcp;
struct ip_hdr *ip;
struct in_addr src;
struct in_addr dst;
struct tm *lt;
time_t tt;

/* check the arguments */

if( argc != 2 )
{
printf( "\n" );
printf( " usage: ipdump2 <interface>\n" );
printf( "\n" );
printf( " on Linux, interface can be eth0, ppp0, etc.\n" );
printf( " on Win32, interface is a number, usually 0.\n" );
printf( "\n" );

#ifdef WIN32
printf( " press Ctrl-C to continue" );
scanf( "\n" );
#endif

return( 1 );
}

#ifdef WIN32

if( WSAStartup( MAKEWORD(2,2), &wsaData ) != 0 )
{
printf( "WSAStartup() failed\n" );
return( 1 );
}

/* create the raw socket */

raw_sock = WSASocket( AF_INET, SOCK_RAW, IPPROTO_IP,
NULL, 0, WSA_FLAG_OVERLAPPED );

if( raw_sock == INVALID_SOCKET )
{
printf( "socket() failed\n" );
return( 1 );
}

/* find the interface index */

if( WSAIoctl( raw_sock, SIO_ADDRESS_LIST_QUERY,
NULL, 0, &buffer, sizeof( buffer ),
&n, NULL, NULL ) == SOCKET_ERROR )
{
printf( "WSAIoctl(SIO_ADDRESS_LIST_QUERY) failed\n" );
return( 1 );
}

slist = (SOCKET_ADDRESS_LIST *) buffer;

/* bind the raw socket to the interface */

n = atoi( argv[1] );

memset( &iface, 0, sizeof( iface ) );

iface.sin_family = AF_INET;
iface.sin_port = htons( 0 );
iface.sin_addr.s_addr = 0x0100007F;

if( n + 1 <= slist->iAddressCount )
{
iface.sin_addr.s_addr = ((struct sockaddr_in *)
slist->Address[n].lpSockaddr)->sin_addr.s_addr;
}
else
{
printf( "interface '%d' not in list\n", n );
return( 1 );
}

if( bind( raw_sock, (struct sockaddr *) &iface,
sizeof( iface ) ) != 0 )
{
printf( "bind(raw socket) failed\n" );
return( 1 );
}

/* enable promiscuous mode */

optval = 1;

if( WSAIoctl( raw_sock, SIO_RCVALL, &optval, sizeof( optval ),
NULL, 0, &n, NULL, NULL ) == SOCKET_ERROR )
{

printf( "WSAIoctl(SIO_RCVALL) failed\n" );
return( 1 );
}

while( 1 )
{
/* wait for packets */

n = recv( raw_sock, buffer, sizeof( buffer ), 0 );

if( n == SOCKET_ERROR )
{
printf( "recv() failed\n" );
return( 1 );
}

#else

weasea 2005-05-31