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fix: route PRINT -4 to_ascii [windows]

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Co-authored-by: clement.igonet <clement.igonet@exotrail.com>
This commit is contained in:
clement-igonet
2025-08-12 23:15:48 +02:00
committed by GitHub
parent 9065797473
commit cb9c0f3548
1 changed files with 8 additions and 7 deletions
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15
sshuttle/server.py
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@ -80,17 +80,18 @@ def _route_iproute(line):
def _route_windows(line):
if " On-link " not in line:
parts = re.split(r'\s+', line.strip())
if len(parts) < 4:
return None, None
dest, net_mask = re.split(r'\s+', line.strip())[:2]
if net_mask == "255.255.255.255":
prefix = parts[3]
dest, mask = prefix.split('/')
if mask == "32":
return None, None
for p in ('127.', '0.', '224.', '169.254.'):
if dest.startswith(p):
return None, None
ipw = _ipmatch(dest)
mask = _maskbits(_ipmatch(net_mask))
return ipw, mask
return ipw, int(mask)
def _list_routes(argv, extract_route):
@ -100,7 +101,7 @@ def _list_routes(argv, extract_route):
for line in p.stdout:
if not line.strip():
continue
ipw, mask = extract_route(line.decode("ASCII"))
ipw, mask = extract_route(line.decode("ASCII", errors='ignore'))
if not ipw:
continue
width = min(ipw[1], mask)
@ -116,7 +117,7 @@ def _list_routes(argv, extract_route):
def list_routes():
if sys.platform == 'win32':
routes = _list_routes(['route', 'PRINT', '-4'], _route_windows)
routes = _list_routes(['netsh', 'interface', 'ipv4', 'show', 'route'], _route_windows)
else:
if which('ip'):
routes = _list_routes(['ip', 'route'], _route_iproute)