def proxy_bypass_macosx_sysconf(host):
"""
Return True iff this host shouldn't be accessed using a proxy
This function uses the MacOSX framework SystemConfiguration
to fetch the proxy information.
"""
import re
import socket
from fnmatch import fnmatch
hostonly, port = splitport(host)
def ip2num(ipAddr):
parts = ipAddr.split(".")
parts = map(int, parts)
if len(parts) != 4:
parts = (parts + [0, 0, 0, 0])[:4]
return (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8) | parts[3]
proxy_settings = _get_proxy_settings()
# Check for simple host names:
if "." not in host:
if proxy_settings["exclude_simple"]:
return True
hostIP = None
for value in proxy_settings.get("exceptions", ()):
# Items in the list are strings like these: *.local, 169.254/16
if not value:
continue
m = re.match(r"(\d+(?:\.\d+)*)(/\d+)?", value)
if m is not None:
if hostIP is None:
try:
hostIP = socket.gethostbyname(hostonly)
hostIP = ip2num(hostIP)
except socket.error:
continue
base = ip2num(m.group(1))
mask = m.group(2)
if mask is None:
mask = 8 * (m.group(1).count(".") + 1)
else:
mask = int(mask[1:])
mask = 32 - mask
if (hostIP >> mask) == (base >> mask):
return True
elif fnmatch(host, value):
return True
return False
def proxy_bypass_macosx_sysconf(host):
import re
import socket
from fnmatch import fnmatch
hostonly, port = splitport(host)
def ip2num(ipAddr):
parts = ipAddr.split('.')
parts = map(int, parts)
if len(parts) != 4:
parts = (parts + [0,
0,
0,
0])[:4]
return parts[0] << 24 | parts[1] << 16 | parts[2] << 8 | parts[3]
proxy_settings = _get_proxy_settings()
if '.' not in host:
if proxy_settings['exclude_simple']:
return True
hostIP = None
for value in proxy_settings.get('exceptions', ()):
if not value:
continue
m = re.match('(\\d+(?:\\.\\d+)*)(/\\d+)?', value)
if m is not None:
if hostIP is None:
try:
hostIP = socket.gethostbyname(hostonly)
hostIP = ip2num(hostIP)
except socket.error:
continue
base = ip2num(m.group(1))
mask = m.group(2)
if mask is None:
mask = 8 * (m.group(1).count('.') + 1)
else:
mask = int(mask[1:])
mask = 32 - mask
if hostIP >> mask == base >> mask:
return True
elif fnmatch(host, value):
return True
return False
def proxy_bypass_macosx_sysconf(host):
import re
import socket
from fnmatch import fnmatch
hostonly, port = splitport(host)
def ip2num(ipAddr):
parts = ipAddr.split('.')
parts = map(int, parts)
if len(parts) != 4:
parts = (parts + [0, 0, 0, 0])[:4]
return parts[0] << 24 | parts[1] << 16 | parts[2] << 8 | parts[3]
proxy_settings = _get_proxy_settings()
if '.' not in host:
if proxy_settings['exclude_simple']:
return True
hostIP = None
for value in proxy_settings.get('exceptions', ()):
if not value:
continue
m = re.match('(\\d+(?:\\.\\d+)*)(/\\d+)?', value)
if m is not None:
if hostIP is None:
try:
hostIP = socket.gethostbyname(hostonly)
hostIP = ip2num(hostIP)
except socket.error:
continue
base = ip2num(m.group(1))
mask = m.group(2)
if mask is None:
mask = 8 * (m.group(1).count('.') + 1)
else:
mask = int(mask[1:])
mask = 32 - mask
if hostIP >> mask == base >> mask:
return True
if fnmatch(host, value):
return True
return False