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用winpcap是否捕获不到PAP、LCP协议包(pppoe)?
用winpcap是否捕获不到PAP、LCP协议包(pppoe)。我的代码如下:
typedef struct pppoe { unsigned char vertype; unsigned char code; unsigned short session_id; unsigned short len; unsigned short pap; }PPPOE,*PPPPOE; typedef struct ethdr { unsigned char eh_dst[6]; unsigned char eh_src[6]; unsigned short eh_type; }ETHDR,*PETHDR; if(eth->eh_type==htons(0x8864)){ if(pppoe->pap==htons(0xC023)){ PrintPackets(pPacket); } if(pppoe->pap==htons(0xC025)){ PrintPackets(pPacket); } if(pppoe->pap==htons(0xC223)){ PrintPackets(pPacket); } if(pppoe->pap==htons(0xC021)){ PrintPackets(pPacket); } if(pppoe->pap==htons(0x8021)){ PrintPackets(pPacket); } } 可是在在用adsl拨号直到登录成功,没有任何显示 |
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沙发#
发布于:2004-07-26 11:51
用NDIS捕获应该可以吧
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板凳#
发布于:2004-07-26 17:16
我抓的就是网卡上的包呀,是不是需要抓虚拟网卡的包
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地板#
发布于:2004-07-30 09:23
up
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地下室#
发布于:2004-07-31 16:20
看来只有用驱动编程了,我已经开始看这方面的资料了
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