summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAvery Pennarun <apenwarr@gmail.com>2010-05-01 20:26:16 -0400
committerAvery Pennarun <apenwarr@gmail.com>2010-05-01 20:26:16 -0400
commit3766d4d50685099d037a7d0891143faf09d11c34 (patch)
tree3b0b7aa4e787a77010692600c4bbab9a56360b28
parent651b9452998e210ba208ff9905095d7cc23683a7 (diff)
Don't "import * from socket".
-rw-r--r--client.py23
1 files changed, 11 insertions, 12 deletions
diff --git a/client.py b/client.py
index 5b39f0d..d319c38 100644
--- a/client.py
+++ b/client.py
@@ -1,12 +1,11 @@
-import struct, select, errno
-from socket import *
+import struct, socket, select, errno
from helpers import *
def _nb_clean(func, *args):
try:
return func(*args)
- except error, e:
+ except socket.error, e:
if e.args[0] in (errno.EWOULDBLOCK, errno.EAGAIN):
return None
raise
@@ -29,13 +28,13 @@ class SockWrapper:
if not self.shut_read:
log('%r: done reading\n' % self)
self.shut_read = True
- #self.sock.shutdown(SHUT_RD) # doesn't do anything anyway
+ #self.sock.shutdown(socket.SHUT_RD) # doesn't do anything anyway
def nowrite(self):
if not self.shut_write:
log('%r: done writing\n' % self)
self.shut_write = True
- self.sock.shutdown(SHUT_WR)
+ self.sock.shutdown(socket.SHUT_WR)
def write(self, buf):
assert(buf)
@@ -49,7 +48,7 @@ class SockWrapper:
rb = _nb_clean(self.sock.recv, 65536)
if rb:
self.buf.append(rb)
- if rb == '': # empty string means EOF; None means nothing available
+ if rb == '': # empty string means EOF; None means temporarily empty
self.noread()
def maybe_fill(self):
@@ -116,17 +115,17 @@ class Proxy(Handler):
def original_dst(sock):
SO_ORIGINAL_DST = 80
SOCKADDR_MIN = 16
- sockaddr_in = sock.getsockopt(SOL_IP, SO_ORIGINAL_DST, SOCKADDR_MIN)
+ sockaddr_in = sock.getsockopt(socket.SOL_IP, SO_ORIGINAL_DST, SOCKADDR_MIN)
(proto, port, a,b,c,d) = struct.unpack('!hhBBBB', sockaddr_in[:8])
- assert(htons(proto) == AF_INET)
+ assert(socket.htons(proto) == socket.AF_INET)
ip = '%d.%d.%d.%d' % (a,b,c,d)
return (ip,port)
def main(remotename, subnets):
log('Starting sshuttle proxy.\n')
- listener = socket()
- listener.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
+ listener = socket.socket()
+ listener.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
listener.bind(('0.0.0.0',1234))
listener.listen(10)
log('Listening on %r.\n' % (listener.getsockname(),))
@@ -140,8 +139,8 @@ def main(remotename, subnets):
log("-- ignored: that's my address!\n")
sock.close()
return
- outsock = socket()
- outsock.setsockopt(SOL_IP, IP_TTL, 42)
+ outsock = socket.socket()
+ outsock.setsockopt(socket.SOL_IP, socket.IP_TTL, 42)
outsock.connect(dstip)
handlers.append(Proxy(sock, outsock))
handlers.append(Handler([listener], onaccept))