Commit eb20c809 authored by Federico Sismondi's avatar Federico Sismondi
Browse files

tuntap read fix for MacOs

parent 4e64a3e2
......@@ -268,6 +268,10 @@ class TunReadThread(threading.Thread):
# give this thread a name = 'TunReadThread'
# check if running on MacOs, in this situation tuntap driver doesnt put the 4extra bytes
# tested with brew install Caskroom/cask/tuntap
self.tunTapHeader = not sys.platform.startswith('darwin')
# start myself
......@@ -287,11 +291,13 @@ class TunReadThread(threading.Thread):
log.debug('packet captured on tun interface: {0}'.format(formatBuf(p)))
# remove tun ID octets
p = p[4:]
if self.tunTapHeader:
p = p[4:]
# make sure it's an IPv6 packet (i.e., starts with 0x6x)
if (p[0] & 0xf0) != 0x60:'this is not an IPv6 packet')
log.debug('first bytes: {0}'.format(formatBuf(p[:2])))
# because of the nature of tun for Windows, p contains ETHERNET_MTU
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