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Fix conf.route.route() on linux #4753

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Merged
merged 1 commit into from
May 29, 2025
Merged

Fix conf.route.route() on linux #4753

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2 changes: 1 addition & 1 deletion scapy/route.py
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Original file line number Diff line number Diff line change
Expand Up @@ -203,7 +203,7 @@ def route(self, dst=None, dev=None, verbose=conf.verb, _internal=False):
if dev is not None and i != dev:
continue
aa = atol(a)
if aa == atol_dst:
if aa == atol_dst and aa != 0:
paths.append(
(0xffffffff, 1, (conf.loopback_name, a, "0.0.0.0")) # noqa: E501
)
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6 changes: 3 additions & 3 deletions test/regression.uts
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Original file line number Diff line number Diff line change
Expand Up @@ -1840,7 +1840,7 @@ finally:
sck.close()

= Sending and receiving an ICMPv6EchoRequest
~ netaccess ipv6
~ netaccess ipv6 needs_root
def _test():
with no_debug_dissector():
x = sr1(IPv6(dst="www.google.com")/ICMPv6EchoRequest(),timeout=3)
Expand Down Expand Up @@ -3414,13 +3414,13 @@ try:
(3232235775, 4294967295, '0.0.0.0', 'enp3s0', '2.2.2.2', 281),
(3232235639, 4294967295, '0.0.0.0', 'enp3s0', '3.3.3.3', 281),
(3232235520, 4294967040, '0.0.0.0', 'enp3s0', '4.4.4.4', 281),
(0, 0, '192.168.0.254', 'enp3s0', '192.168.0.119', 25)
(0, 0, '192.168.0.254', 'enp3s0', '0.0.0.0', 25)
]
assert conf.route.route("192.168.0.0-10") == ('enp3s0', '4.4.4.4', '0.0.0.0')
assert conf.route.route("192.168.0.119") == ('lo', '192.168.0.119', '0.0.0.0')
assert conf.route.route("224.0.0.0") == ('enp3s0', '1.1.1.1', '0.0.0.0')
assert conf.route.route("255.255.255.255") == ('enp3s0', '192.168.0.119', '0.0.0.0')
assert conf.route.route("*") == ('enp3s0', '192.168.0.119', '192.168.0.254')
assert conf.route.route("*") == ('enp3s0', '4.4.4.4', '192.168.0.254')
finally:
conf.loopback_name = old_loopback
conf.iface = old_iface
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