您需要使用sprintf功能数据包而不是打印数据包本身。您还需要拆分从它返回的字符串,然后用换行符将其重新连接在一起,否则它会将其全部吐出在一行上:
#!/usr/bin/python
from scapy.all import *
def http_header(packet):
http_packet=str(packet)
if http_packet.find('GET'):
return GET_print(packet)
def GET_print(packet1):
ret = "***************************************GET PACKET****************************************************\n"
ret += "\n".join(packet1.sprintf("{Raw:%Raw.load%}\n").split(r"\r\n"))
ret += "*****************************************************************************************************\n"
return ret
sniff(iface='eth0', prn=http_header, filter="tcp port 80")
我还添加了 TCP 端口 80 的过滤器,但如果需要,可以将其删除。
输出示例:
***************************************GET PACKET****************************************************
'GET /projects/scapy/doc/usage.html HTTP/1.1
Host: www.secdev.org
Connection: keep-alive
Cache-Control: max-age=0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.65 Safari/537.36
Referer: https://www.google.co.uk/
Accept-Encoding: gzip, deflate, sdch
Accept-Language: en-GB,en;q=0.8,en-US;q=0.6
If-None-Match: "28c84-48498d5654df67640-gzip"
If-Modified-Since: Mon, 19 Apr 2010 15:44:17 GMT
'
*****************************************************************************************************
Pierre指出你可以取消http_header
功能完全通过使用lfilter
论证sniff()
。同时我冒昧地让代码变得更加简洁:
#!/usr/bin/python
from scapy.all import *
stars = lambda n: "*" * n
def GET_print(packet):
return "\n".join((
stars(40) + "GET PACKET" + stars(40),
"\n".join(packet.sprintf("{Raw:%Raw.load%}").split(r"\r\n")),
stars(90)))
sniff(
iface='eth0',
prn=GET_print,
lfilter=lambda p: "GET" in str(p),
filter="tcp port 80")