从文件Shell脚本linux grep命令获取信息
[英]Get information from a file shell script linux grep command
问题描述
I need help to extract information from a file outuput from a network traffic with tcpdump command 
我需要帮助，使用tcpdump命令从网络流量中的文件输出中提取信息
tcpdump -Xvv -i eth0 > capture.txt
Given a field of any Ethernet headers, IP and TCP, and a value, indicate the source and destination IP machines that were reported under this condition (without repeating them in the output). 给定任何以太网报头，IP和TCP字段以及一个值，指示在这种情况下报告的源IP和目标IP机器（在输出中不重复它们）。
The content of the file: 文件内容：
09:26:13.245546 IP (tos 0x0, ttl 1, id 3439, offset 0, flags [none], proto UDP (17), length 1018)
10.0.0.226.58935 > 239.255.255.250.3702: UDP, ack 555, win 6584, length 990
0x0000: 4500 03fa 0d6f 0000 0111 ada8 0a00 00e2 E....o..........
0x0010: efff fffa e637 0e76 03e6 7ec0 3c3f 786d .....7.v..~.<?xm
0x0020: 6c20 7665 7273 696f 6e3d 2231 2e30 2220 l.version="1.0".
0x0030: 656e 636f 6469 6e67 3d22 7574 662d 3822 encoding="utf-8"
0x0040: 3f3e 3c73 6f61 703a 456e 7665 ?><soap:Enve
09:26:13.339173 IP6 (hlim 1, next-header UDP (17) payload length: 998) fe80::21e9:f54b:9ae7:6383.58936 > ff02::c.3702: UDP, length 990
0x0000: 6000 0000 03e6 1101 fe80 0000 0000 0000 `...............
0x0010: 21e9 f54b 9ae7 6383 ff02 0000 0000 0000 !..K..c.........
0x0020: 0000 0000 0000 000c e638 0e76 03e6 666c .........8.v..fl
0x0030: 3c3f 786d 6c20 7665 7273 696f 6e3d 2231 <?xml.version="1
0x0040: 2e30 2220 656e 636f 6469 6e67 .0".encoding
09:26:13.407313 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 10.0.3.118 tell 10.0.1.215, length 46
0x0000: 0001 0800 0604 0001 0009 0fcb 0a0c 0a00 ................
0x0010: 01d7 0000 0000 0000 0a00 0376 0000 0000 ...........v....
0x0020: 0000 0000 0000 0000 0000 d9c4 62a8 ............b.
09:26:13.525954 IP (tos 0x0, ttl 128, id 3441, offset 0, flags [none], proto UDP (17), length 161)
10.0.0.226.59131 > 239.255.255.250.1900: UDP, length 133
0x0000: 4500 00a1 0d71 0000 0111 b0ff 0a00 00e2 E....q..........
0x0010: efff fffa e6fb 076c 008d 6fa6 4d2d 5345 .......l..o.M-SE
0x0020: 4152 4348 202a 2048 5454 502f 312e 310d ARCH.*.HTTP/1.1.
0x0030: 0a48 6f73 743a 3233 392e 3235 352e 3235 .Host:239.255.25
0x0040: 352e 3235 303a 3139 3030 0d0a 5.250:1900..
09:26:13.557002 IP (tos 0x0, ttl 1, id 3442, offset 0, flags [none], proto UDP (17), length 161)
10.0.0.226.59131 > 239.255.255.250.1900: UDP, length 133
0x0000: 4500 00a1 0d72 0000 0111 b0fe 0a00 00e2 E....r..........
0x0010: efff fffa e6fb 076c 008d 6fa6 4d2d 5345 .......l..o.M-SE
0x0020: 4152 4348 202a 2048 5454 502f 312e 310d ARCH.*.HTTP/1.1.
0x0030: 0a48 6f73 743a 3233 392e 3235 352e 3235 .Host:239.255.25
0x0040: 352e 3235 303a 3139 3030 0d0a 5.250:1900..
09:26:13.642734 IP (tos 0x0, ttl 1, id 21767, offset 0, flags [none], proto UDP (17), length 684)
10.0.0.237.58882 > 239.255.255.250.3702: UDP, length 656
0x0000: 4500 02ac 5507 0000 0111 6753 0a00 00ed E...U.....gS....
0x0010: efff fffa e602 0e76 0298 5568 3c3f 786d .......v..Uh<?xm
0x0020: 6c20 7665 7273 696f 6e3d 2231 2e30 2220 l.version="1.0".
0x0030: 656e 636f 6469 6e67 3d22 7574 662d 3822 encoding="utf-8"
0x0040: 3f3e 3c73 6f61 703a 456e 7665 ?><soap:Enve
09:26:13.642960 IP6 (hlim 1, next-header UDP (17) payload length: 664) fe80::b8a2:bd0:4e0b:1bb5.58883 > ff02::c.3702: UDP, length 656
0x0000: 6000 0000 0298 1101 fe80 0000 0000 0000 `...............
0x0010: b8a2 0bd0 4e0b 1bb5 ff02 0000 0000 0000 ....N...........
0x0020: 0000 0000 0000 000c e603 0e76 0298 248c ...........v..$.
0x0030: 3c3f 786d 6c20 7665 7273 696f 6e3d 2231 <?xml.version="
09:26:13.642999 IP (tos 0x0, ttl 64, id 21767, offset 0, flags [none], proto UDP (17), length 684)
10.0.0.237.58882 > 239.255.255.250.3702: UDP, length 656
0x0000: 4500 02ac 5507 0000 0111 6753 0a00 00ed E...U.....gS....
0x0010: efff fffa e602 0e76 0298 5568 3c3f 786d .......v..Uh<?xm
0x0020: 6c20 7665 7273 696f 6e3d 2231 2e30 2220 l.version="1.0".
0x0030: 656e 636f 6469 6e67 3d22 7574 662d 3822 encoding="utf-8"
0x0040: 3f3e 3c73 6f61 703a 456e 7665 ?><soap:Enve
For example is the header is: ttl 1 例如，标头是：ttl 1
The result must be: 结果必须是：
Source: 10.0.0.226.58935 --- Destination: 239.255.255.250.3702 - 1 Time
Source: 10.0.0.237.58882 --- Destination: 239.255.255.250.3702 - 2 Times
Other way: is the header is: ack or win: for example: ack 555 其他方式：标头是：ack或win：例如：ack 555
Source: 10.0.0.226.58935 --- Destination: 239.255.255.250.3702 - 1 Time
1 个解决方案
解决方案1
2 已采纳 2013-01-22 15:30:54
Using awk matching ack 555 : 使用awk匹配ack 555 ：
$ awk -F'[:>]' '/ack 555/{u["Source: "$1"--- Destination:"$2]++}END{for(k in u)print k,u[k]" - time"(u[k]>1?"s":"")}' file
Source: 10.0.0.226.58935 --- Destination: 239.255.255.250.3702 1 - time
Matching ttl 1 : 匹配ttl 1 ：
$ awk -F'[>:]' '/ttl 1,/{getline;u["Source: "$1"--- Destination:"$2]++}END{for(k in u)print k,u[k]" - time"(u[k]>1?"s":"")}' file
Source: 10.0.0.237.58882 --- Destination: 239.255.255.250.3702 1 - time
Source: 10.0.0.226.59131 --- Destination: 239.255.255.250.1900 1 - time
Source: 10.0.0.226.58935 --- Destination: 239.255.255.250.3702 1 - time
You example doesn't match your expected output however. 您的示例与您的预期输出不匹配。
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