partial packets recieved with scapy and python










1















I am trying to sniff long packets, specifically http packets that contain html code.

this is the code I am using:



from scapy.all import *

f = open('outHTML.txt','wb')

def packet_callback(pkt):
if pkt.haslayer(Raw) and pkt[Raw].load:
if str(pkt[Raw].load).find("<html") != -1:
f.write(bytes('n' + "=" * 50 + 'n', encoding = "utf8"))
f.write(pkt[Raw].load)
f.flush()

sniff(prn=packet_callback)


for some reason when I am sniffing, I don't get all of the code.
for example, I got this result:



HTTP/1.1 200 OK
Date: Tue, 13 Nov 2018 14:00:57 GMT
Expires: Wed, 17 Aug 2005 00:00:00 GMT
Last-Modified: Tue, 13 Nov 2018 14:00:57 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
X-Contenet-Type-Options: nosniff
Keep-Alive: timeout=15, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=utf-8
Set-Cookie: TS01b8cd54=019790ad781b859b67afd842e20f0cefeebdf19683a53ff0c282ad209e1bcd0e8d590944badeef97f3d54ed8ab8c7efc5614812de7b7daaddfa8ce09ddf390077f7d2652ce; Path=/; Domain=.rishuy.mot.gov.il
Transfer-Encoding: chunked

4000
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="he-il" lang="he-il" dir="rtl">
<head>


<meta http-equiv="X-UA-Compatible" content="IE=edge">


<meta name="viewport" content="width=device-width, initial-scale=1.0" />


<base href="http://rishuy.mot.gov.il/he/" />
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="keywords" content="רשיומט, רישוי קול, משרד הרישוי, רישוי נהיגה, רישוי כלי רכב" />
<meta name="description" content="משרד התחבורה - רשות הרישוי" />
<title>רשות הרישוי</title>
<link href="/he/?format=feed&amp;type=rss" rel="alternate" type="application/rss+xml" title="RSS 2.0" />
<link href="/he/?format=feed&amp;type=atom" rel="alternate" t


followed by a lot of NUL bytes.

(in the website there is html code instead of those NUL bytes).

how do I get the rest of the code?










share|improve this question
























  • Possible duplicate of sniffing long packets with Scapy and python 3

    – Cukic0d
    Nov 20 '18 at 22:17















1















I am trying to sniff long packets, specifically http packets that contain html code.

this is the code I am using:



from scapy.all import *

f = open('outHTML.txt','wb')

def packet_callback(pkt):
if pkt.haslayer(Raw) and pkt[Raw].load:
if str(pkt[Raw].load).find("<html") != -1:
f.write(bytes('n' + "=" * 50 + 'n', encoding = "utf8"))
f.write(pkt[Raw].load)
f.flush()

sniff(prn=packet_callback)


for some reason when I am sniffing, I don't get all of the code.
for example, I got this result:



HTTP/1.1 200 OK
Date: Tue, 13 Nov 2018 14:00:57 GMT
Expires: Wed, 17 Aug 2005 00:00:00 GMT
Last-Modified: Tue, 13 Nov 2018 14:00:57 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
X-Contenet-Type-Options: nosniff
Keep-Alive: timeout=15, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=utf-8
Set-Cookie: TS01b8cd54=019790ad781b859b67afd842e20f0cefeebdf19683a53ff0c282ad209e1bcd0e8d590944badeef97f3d54ed8ab8c7efc5614812de7b7daaddfa8ce09ddf390077f7d2652ce; Path=/; Domain=.rishuy.mot.gov.il
Transfer-Encoding: chunked

4000
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="he-il" lang="he-il" dir="rtl">
<head>


<meta http-equiv="X-UA-Compatible" content="IE=edge">


<meta name="viewport" content="width=device-width, initial-scale=1.0" />


<base href="http://rishuy.mot.gov.il/he/" />
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="keywords" content="רשיומט, רישוי קול, משרד הרישוי, רישוי נהיגה, רישוי כלי רכב" />
<meta name="description" content="משרד התחבורה - רשות הרישוי" />
<title>רשות הרישוי</title>
<link href="/he/?format=feed&amp;type=rss" rel="alternate" type="application/rss+xml" title="RSS 2.0" />
<link href="/he/?format=feed&amp;type=atom" rel="alternate" t


followed by a lot of NUL bytes.

(in the website there is html code instead of those NUL bytes).

how do I get the rest of the code?










share|improve this question
























  • Possible duplicate of sniffing long packets with Scapy and python 3

    – Cukic0d
    Nov 20 '18 at 22:17













1












1








1








I am trying to sniff long packets, specifically http packets that contain html code.

this is the code I am using:



from scapy.all import *

f = open('outHTML.txt','wb')

def packet_callback(pkt):
if pkt.haslayer(Raw) and pkt[Raw].load:
if str(pkt[Raw].load).find("<html") != -1:
f.write(bytes('n' + "=" * 50 + 'n', encoding = "utf8"))
f.write(pkt[Raw].load)
f.flush()

sniff(prn=packet_callback)


for some reason when I am sniffing, I don't get all of the code.
for example, I got this result:



HTTP/1.1 200 OK
Date: Tue, 13 Nov 2018 14:00:57 GMT
Expires: Wed, 17 Aug 2005 00:00:00 GMT
Last-Modified: Tue, 13 Nov 2018 14:00:57 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
X-Contenet-Type-Options: nosniff
Keep-Alive: timeout=15, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=utf-8
Set-Cookie: TS01b8cd54=019790ad781b859b67afd842e20f0cefeebdf19683a53ff0c282ad209e1bcd0e8d590944badeef97f3d54ed8ab8c7efc5614812de7b7daaddfa8ce09ddf390077f7d2652ce; Path=/; Domain=.rishuy.mot.gov.il
Transfer-Encoding: chunked

4000
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="he-il" lang="he-il" dir="rtl">
<head>


<meta http-equiv="X-UA-Compatible" content="IE=edge">


<meta name="viewport" content="width=device-width, initial-scale=1.0" />


<base href="http://rishuy.mot.gov.il/he/" />
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="keywords" content="רשיומט, רישוי קול, משרד הרישוי, רישוי נהיגה, רישוי כלי רכב" />
<meta name="description" content="משרד התחבורה - רשות הרישוי" />
<title>רשות הרישוי</title>
<link href="/he/?format=feed&amp;type=rss" rel="alternate" type="application/rss+xml" title="RSS 2.0" />
<link href="/he/?format=feed&amp;type=atom" rel="alternate" t


followed by a lot of NUL bytes.

(in the website there is html code instead of those NUL bytes).

how do I get the rest of the code?










share|improve this question
















I am trying to sniff long packets, specifically http packets that contain html code.

this is the code I am using:



from scapy.all import *

f = open('outHTML.txt','wb')

def packet_callback(pkt):
if pkt.haslayer(Raw) and pkt[Raw].load:
if str(pkt[Raw].load).find("<html") != -1:
f.write(bytes('n' + "=" * 50 + 'n', encoding = "utf8"))
f.write(pkt[Raw].load)
f.flush()

sniff(prn=packet_callback)


for some reason when I am sniffing, I don't get all of the code.
for example, I got this result:



HTTP/1.1 200 OK
Date: Tue, 13 Nov 2018 14:00:57 GMT
Expires: Wed, 17 Aug 2005 00:00:00 GMT
Last-Modified: Tue, 13 Nov 2018 14:00:57 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
X-Contenet-Type-Options: nosniff
Keep-Alive: timeout=15, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=utf-8
Set-Cookie: TS01b8cd54=019790ad781b859b67afd842e20f0cefeebdf19683a53ff0c282ad209e1bcd0e8d590944badeef97f3d54ed8ab8c7efc5614812de7b7daaddfa8ce09ddf390077f7d2652ce; Path=/; Domain=.rishuy.mot.gov.il
Transfer-Encoding: chunked

4000
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="he-il" lang="he-il" dir="rtl">
<head>


<meta http-equiv="X-UA-Compatible" content="IE=edge">


<meta name="viewport" content="width=device-width, initial-scale=1.0" />


<base href="http://rishuy.mot.gov.il/he/" />
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="keywords" content="רשיומט, רישוי קול, משרד הרישוי, רישוי נהיגה, רישוי כלי רכב" />
<meta name="description" content="משרד התחבורה - רשות הרישוי" />
<title>רשות הרישוי</title>
<link href="/he/?format=feed&amp;type=rss" rel="alternate" type="application/rss+xml" title="RSS 2.0" />
<link href="/he/?format=feed&amp;type=atom" rel="alternate" t


followed by a lot of NUL bytes.

(in the website there is html code instead of those NUL bytes).

how do I get the rest of the code?







python html python-3.x http scapy






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 15 '18 at 6:21







Goolmoos

















asked Nov 13 '18 at 14:22









GoolmoosGoolmoos

446




446












  • Possible duplicate of sniffing long packets with Scapy and python 3

    – Cukic0d
    Nov 20 '18 at 22:17

















  • Possible duplicate of sniffing long packets with Scapy and python 3

    – Cukic0d
    Nov 20 '18 at 22:17
















Possible duplicate of sniffing long packets with Scapy and python 3

– Cukic0d
Nov 20 '18 at 22:17





Possible duplicate of sniffing long packets with Scapy and python 3

– Cukic0d
Nov 20 '18 at 22:17












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