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Make fish_config work correctly when IPv6 is disabled in the kernel

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Fixes #1754
This commit is contained in:
ridiculousfish 2015-05-17 19:13:50 -07:00
parent 29d22e4e8b
commit 386d6a77f2
1 changed files with 13 additions and 2 deletions
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15
share/tools/web_config/webconfig.py
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@ -6,6 +6,7 @@ import sys
import multiprocessing.pool
import os
import operator
import socket
IS_PY2 = sys.version_info[0] == 2
if IS_PY2:
@ -18,6 +19,14 @@ else:
import socketserver as SocketServer
from urllib.parse import parse_qs
# Check to see if IPv6 is enabled in the kernel
HAS_IPV6 = True
try:
s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
s.close()
except:
HAS_IPV6 = False
# Disable CLI web browsers
term = os.environ.pop('TERM', None)
import webbrowser
@ -419,7 +428,7 @@ class FishConfigTCPServer(SocketServer.TCPServer):
"""TCPServer that only accepts connections from localhost (IPv4/IPv6)."""
WHITELIST = set(['::1', '::ffff:127.0.0.1', '127.0.0.1'])
address_family = socket.AF_INET6
address_family = socket.AF_INET6 if HAS_IPV6 else socket.AF_INET
def verify_request(self, request, client_address):
return client_address[0] in FishConfigTCPServer.WHITELIST
@ -910,16 +919,18 @@ authkey = binascii.b2a_hex(os.urandom(16)).decode('ascii')
# Try to find a suitable port
PORT = 8000
HOST = "::" if HAS_IPV6 else "localhost"
while PORT <= 9000:
try:
Handler = FishConfigHTTPRequestHandler
httpd = FishConfigTCPServer(("::", PORT), Handler)
httpd = FishConfigTCPServer((HOST, PORT), Handler)
# Success
break
except socket.error:
err_type, err_value = sys.exc_info()[:2]
# str(err_value) handles Python3 correctly
if 'Address already in use' not in str(err_value):
print(str(err_value))
break
PORT += 1