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2a9c063d6b
ATRs should probably be treated differently? Also, is there a performance penalty when using scapy instead of holding a connection open?
29 lines
677 B
Python
29 lines
677 B
Python
#!/usr/bin/env python
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from scapy.all import IP, UDP, sr1
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ip="127.0.0.1"
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port=4729
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sp=58621
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gsmtap_hdr="\x02\x04\x04"+"\x00"*13
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# FIXME: Is ATR something special?
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def gsmtap_send_apdu(data):
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# Do we have performance penalty because the socket stays open?
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p=IP(dst=ip, src=ip)/UDP(sport=sp, dport=port)/(gsmtap_hdr+data)
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# FIXME: remove show and ans
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if p:
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p.show()
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ans = sr1(p, timeout=2)
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if ans:
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print(ans)
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if __name__ == '__main__':
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cmds = ("\xa0\xa4\x00\x00\x02\x6f\x7e\x9f\x0f",
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"\xa0\xd6\x00\x00\x0b\xff\xff\xff\xff\x09\xf1\x07\xff\xfe\x00\x03\x90\x00",
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);
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for cmd in cmds:
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gsmtap_send_apdu(cmd)
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