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資源簡介

通過Wireshark捕捉實(shí)時(shí)網(wǎng)絡(luò)數(shù)據(jù)包，并根據(jù)網(wǎng)絡(luò)協(xié)議分析流程對數(shù)據(jù)包在TCP/IP各層協(xié)議中進(jìn)行實(shí)際解包分析，為網(wǎng)絡(luò)協(xié)議分析和還原提供技術(shù)手段。用Java在Eclipse平臺開發(fā)了一個(gè)TCP/IP協(xié)議數(shù)據(jù)包分析工具，只支持ARP、IPV4、ICMP、UDP，以及DHCP。

資源截圖

代碼片段和文件信息 

package?com.qiusongde.packet;

import?com.qiusongde.pcapparser.ByteArray;

public?class?ARP?extends?Ethernet?{

	private?ARPHeader?header?=?new?ARPHeader（）;
	private?byte[]?data;
	
	protected?int?setHeader（byte[]?input）{//設(shè)置頭部
		int?prelength;
		int?length;
		
		prelength?=?super.setHeader（input）;//父類（底層協(xié)議先設(shè)置頭部）
		header.setHardType（input?prelength）;
		header.setProtocolType（input?prelength?+?2）;
		header.setHardLength（input?prelength?+?4）;
		header.setProtocolLength（input?prelength?+?5）;
		header.setOperation（input?prelength?+?6）;
		header.setSenderHardAddr（input?prelength?+?8）;
		header.setSenderProtoAddr（input?prelength?+?8?+?header.getHardLength（））;
		header.setReceiverHardAddr（input?prelength?+?8?+?header.getHardLength（）?+?header.getProtocolLength（））;
		header.setReceiveProtoAddr（input?prelength?+?8?+?2?*?header.getHardLength（）?+?header.getProtocolLength（））;
		length?=?8?+?2?*?（header.getHardLength（）?+?header.getProtocolLength（））;
		
		return?prelength?+?length;
	}
	
	private?void?setData（byte[]?input?int?offset）{
		int?length?=?input.length?-?offset;//offset和length相等時(shí)沒有data
		if（length??!=?0）{
			data?=?new?byte[length];
			for（int?i=0;i				data[i]?=?input[offset+i];?
		}
		else
			data?=?null;//沒有數(shù)據(jù)
			
	}
	
	@Override
	public?void?setPacket（byte[]?packet）?{
		int?headerlength?=?setHeader（packet）;//先設(shè)置頭部返回頭部長度
		setData（packet?headerlength）;
	}
	
	protected?String?toHeaderString（）{
		String?result?=?““;
		result?+=?super.toHeaderString（）;
		result?+=?header.toString（）;
				
		return?result;
	}
	
	private?String?toDataString（）{
		String?result?=?““;
		
		if（data?!=?null）{
			result?=?“--------數(shù)據(jù)或填充:\n“;
			result?+=?ByteArray.byteArrayToHexStr（data）?+?“\n“;
		}
		
		return?result;
	}
	
	@Override
	public?String?toPacketString（）?{
		String?result?=?““;
		result?+=?toHeaderString（）;
		result?+=?toDataString（）;
		
		return?result;
	}

	private?class?ARPHeader{
		
		private?byte[]?hardtype?=?new?byte[2];//硬件類型
		private?byte[]?protocoltype?=?new?byte[2];//協(xié)議類型
		private?byte?hardlength;//硬件長度
		private?byte?protocollength;//協(xié)議長度
		private?byte[]?operation?=?new?byte[2];//操作1請求2回答
		private?byte[]?senderhardaddr;//發(fā)送方硬件地址
		private?byte[]?senderprotoaddr;//發(fā)送方協(xié)議地址
		private?byte[]?receiverhardaddr;//接收方硬件地址
		private?byte[]?receiverprotoaddr;//接收方協(xié)議地址
		
		public?void?setHardType（byte[]?input?int?offset）{
			for（int?i=0;i<2;i++）{
				hardtype[i]?=?input[i+offset];
			}
		}
		
		public?void?setProtocolType（byte[]?input?int?offset）{
			for（int?i=0;i<2;i++）{
				protocoltype[i]?=?input[i+offset];
			}
		}
		
		public?void?setHardLength（byte[]?input?int?offset）{
			hardlength?=?input[offset];
		}
		
		public?byte?getHardLength（）{
			return?hardlength;
		}
		
		
		public?void?setProtocolLength（byte[]?input?int?offset）{
			protocollength?=?input[offset];
		}
		
		public?byte?getProtocolLength（）{
			return?protocollength;
		}
		
		public?void?setOperation（byte[]?input?int?offset）{
			for（int?i=0;i<2;i++）{
				operation[i

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????1261??2016-08-13?19:33??reademe.txt
?????文件?????2048757??2016-08-13?19:35??實(shí)驗(yàn)報(bào)告-終版.doc
?????目錄???????????0??2016-08-10?10:20??實(shí)驗(yàn)數(shù)據(jù)\
?????文件?????????778??2016-06-14?13:38??實(shí)驗(yàn)數(shù)據(jù)\arp.pcap
?????文件????????3252??2016-06-08?20:15??實(shí)驗(yàn)數(shù)據(jù)\DHCP.pcap
?????文件????????3352??2016-06-12?12:09??實(shí)驗(yàn)數(shù)據(jù)\Diagram1.dia
?????文件???????49344??2016-06-12?12:09??實(shí)驗(yàn)數(shù)據(jù)\Diagram1.png
?????文件?????????708??2016-06-14?13:40??實(shí)驗(yàn)數(shù)據(jù)\icmp.pcap
?????文件??????????74??2016-06-07?22:02??實(shí)驗(yàn)數(shù)據(jù)\IPv4.pcap
?????文件??????153808??2016-06-12?00:31??實(shí)驗(yàn)數(shù)據(jù)\PCAP數(shù)據(jù)結(jié)構(gòu)1.jpeg
?????文件??????199717??2016-06-12?00:33??實(shí)驗(yàn)數(shù)據(jù)\PCAP數(shù)據(jù)結(jié)構(gòu)2.jpeg
?????文件??????????82??2016-06-08?21:03??實(shí)驗(yàn)數(shù)據(jù)\udp.pcap
?????文件???????43313??2016-06-14?13:29??實(shí)驗(yàn)數(shù)據(jù)\手機(jī).jpg
?????目錄???????????0??2016-06-12?12:28??源代碼\
?????目錄???????????0??2016-08-10?10:20??源代碼\PcapAnaylyzer\
?????文件?????????295??2016-06-09?14:37??源代碼\PcapAnaylyzer\.classpath
?????文件?????????372??2016-06-06?16:14??源代碼\PcapAnaylyzer\.project
?????目錄???????????0??2016-08-10?10:21??源代碼\PcapAnaylyzer\.settings\
?????文件?????????587??2016-06-06?16:14??源代碼\PcapAnaylyzer\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2016-08-10?10:20??源代碼\PcapAnaylyzer\bin\
?????文件???????????6??2016-06-23?18:05??源代碼\PcapAnaylyzer\bin\.gitignore
?????目錄???????????0??2016-06-23?18:05??源代碼\PcapAnaylyzer\bin\com\
?????目錄???????????0??2016-06-23?18:05??源代碼\PcapAnaylyzer\bin\com\qiusongde\
?????目錄???????????0??2016-08-10?10:21??源代碼\PcapAnaylyzer\bin\com\qiusongde\packet\
?????文件????????4030??2016-06-23?18:05??源代碼\PcapAnaylyzer\bin\com\qiusongde\packet\ARP$ARPHeader.class
?????文件????????2570??2016-06-23?18:05??源代碼\PcapAnaylyzer\bin\com\qiusongde\packet\ARP.class
?????文件????????4005??2016-06-23?18:05??源代碼\PcapAnaylyzer\bin\com\qiusongde\packet\DHCP.class
?????文件????????2116??2016-06-23?18:05??源代碼\PcapAnaylyzer\bin\com\qiusongde\packet\Ethernet$EthernetHeader.class
?????文件????????1137??2016-06-23?18:05??源代碼\PcapAnaylyzer\bin\com\qiusongde\packet\Ethernet.class
?????文件????????3475??2016-06-23?18:05??源代碼\PcapAnaylyzer\bin\com\qiusongde\packet\ICMP$ICMPHeader.class
?????文件????????2211??2016-06-23?18:05??源代碼\PcapAnaylyzer\bin\com\qiusongde\packet\ICMP.class
............此處省略43個(gè)文件信息

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