Package: python-scapy
Version: 2.2.0-1
Severity: normal
Dear Maintainer,
This is the current code of scapy.all.PcapWriter._write_header:
def _write_header(self, pkt):
if self.linktype == None:
if type(pkt) is list or type(pkt) is tuple or
isinstance(pkt,BasePacketList):
pkt = pkt[0]
try:
self.linktype = conf.l2types[pkt.__class__]
except KeyError:
warning("PcapWriter: unknown LL type for %s. Using type 1
(Ethernet)" % pkt.__class__.__name__)
self.linktype = 1
When passing a generator object, the first if statement evaluates to False
(which shouldn't) and an exception is raised when attempting to access
conf.l2types[pkt.__class__] since pkt.__class__ is <type 'generator'>.
Therefore, the except clause of the try-except code block is executed and
linktype is set to 1.
-- System Information:
Debian Release: jessie/sid
APT prefers trusty-updates
APT policy: (500, 'trusty-updates'), (500, 'trusty-security'), (500, 'trusty')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.13.0-43-generic (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages python-scapy depends on:
ii python 2.7.5-5ubuntu3
ii python2.7 2.7.6-8
python-scapy recommends no packages.
Versions of packages python-scapy suggests:
pn ebtables <none>
pn graphviz <none>
pn gv <none>
pn hexer <none>
pn imagemagick <none>
pn librsvg2-bin <none>
ii python-crypto 2.6.1-4build1
pn python-gnuplot <none>
ii python-pcapy 0.10.8-1build1
pn python-pyx <none>
pn python-visual <none>
pn sox <none>
ii tcpdump 4.5.1-2ubuntu1.1
ii tcpreplay 3.4.4-2
ii wireshark 1.10.6-1
pn xpdf <none>
-- no debconf information
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