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gsmtap.py: gsmtap_send_apdu and test main function

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ATRs should probably be treated differently?
Also, is there a performance penalty when using scapy instead of holding a connection open?
This commit is contained in:
Christina Quast
2015-05-12 19:31:00 +02:00
parent b894691841
commit 2a9c063d6b
1 changed files with 18 additions and 7 deletions
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25
usb_application/gsmtap.py
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@@ -5,13 +5,24 @@ from scapy.all import IP, UDP, sr1
ip="127.0.0.1"
port=4729
sp=58621
data=("\x02\x04\x04"+"\x00"*13+"\x9f\x16\xa0\xc0\x00\x00\x16", "\x9f\x16\xa0\xc0\x00\x00\x16")
gsmtap_hdr="\x02\x04\x04"+"\x00"*13
p=IP(dst=ip, src=ip)/UDP(sport=sp, dport=port)/data[0]
# FIXME: Is ATR something special?
if p:
p.show()
def gsmtap_send_apdu(data):
# Do we have performance penalty because the socket stays open?
p=IP(dst=ip, src=ip)/UDP(sport=sp, dport=port)/(gsmtap_hdr+data)
# FIXME: remove show and ans
if p:
p.show()
ans = sr1(p, timeout=2)
if ans:
print(a)
ans = sr1(p, timeout=2)
if ans:
print(ans)
if __name__ == '__main__':
cmds = ("\xa0\xa4\x00\x00\x02\x6f\x7e\x9f\x0f",
"\xa0\xd6\x00\x00\x0b\xff\xff\xff\xff\x09\xf1\x07\xff\xfe\x00\x03\x90\x00",
);
for cmd in cmds:
gsmtap_send_apdu(cmd)