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Improve default IPv6 route check to cover stuff happening on internet cube

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This commit is contained in:
Alexandre Aubin 2020-04-29 21:48:22 +02:00
parent fd47e45df3
commit 822c731086
1 changed files with 7 additions and 1 deletions
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8
src/yunohost/utils/network.py
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@ -58,7 +58,13 @@ def get_public_ip_from_remote_server(protocol=4):
# If we are indeed connected in ipv4 or ipv6, we should find a default route
routes = check_output("ip -%s route" % protocol).split("\n")
if not any(r.startswith("default") for r in routes):
def is_default_route(r):
# Typically the default route starts with "default"
# But of course IPv6 is more complex ... e.g. on internet cube there's
# no default route but a /3 which acts as a default-like route...
# e.g. 2000:/3 dev tun0 ...
return r.startswith("default") or (":" in r and re.match(r".*/[0-3]$", r.split()[0]))
if not any(is_default_route(r) for r in routes):
logger.debug("No default route for IPv%s, so assuming there's no IP address for that version" % protocol)
return None