# Path: sshuttle/helpers.py
# def b(s):
#     return s.encode("ASCII")
# 
# def log(s):
#     global logprefix
#     try:
#         sys.stdout.flush()
#         # Put newline at end of string if line doesn't have one.
#         if not s.endswith("\n"):
#             s = s+"\n"
# 
#         prefix = logprefix
#         s = s.rstrip("\n")
#         for line in s.split("\n"):
#             # We output with \r\n instead of \n because when we use
#             # sudo with the use_pty option, the firewall process, the
#             # other processes printing to the terminal will have the
#             # \n move to the next line, but they will fail to reset
#             # cursor to the beginning of the line. Printing output
#             # with \r\n endings fixes that problem and does not appear
#             # to cause problems elsewhere.
#             sys.stderr.write(prefix + line + "\r\n")
#             prefix = "    "
#         sys.stderr.flush()
#     except IOError:
#         # this could happen if stderr gets forcibly disconnected, eg. because
#         # our tty closes.  That sucks, but it's no reason to abort the program.
#         pass
# 
# def debug1(s):
#     if verbose >= 1:
#         log(s)
# 
# def debug2(s):
#     if verbose >= 2:
#         log(s)
# 
# def debug3(s):
#     if verbose >= 3:
#         log(s)
# 
# class Fatal(Exception):
#     pass


import sys
import struct
import socket
import errno
import select
import os
import fcntl
from sshuttle.helpers import b, log, debug1, debug2, debug3, Fatal
        elif cmd == CMD_TCP_CONNECT:
            assert(not self.channels.get(channel))
            if self.new_channel:
                self.new_channel(channel, data)
        elif cmd == CMD_DNS_REQ:
            assert(not self.channels.get(channel))
            if self.got_dns_req:
                self.got_dns_req(channel, data)
        elif cmd == CMD_UDP_OPEN:
            assert(not self.channels.get(channel))
            if self.got_udp_open:
                self.got_udp_open(channel, data)
        elif cmd == CMD_ROUTES:
            if self.got_routes:
                self.got_routes(data)
            else:
                raise Exception('got CMD_ROUTES without got_routes?')
        elif cmd == CMD_HOST_REQ:
            if self.got_host_req:
                self.got_host_req(data)
            else:
                raise Exception('got CMD_HOST_REQ without got_host_req?')
        elif cmd == CMD_HOST_LIST:
            if self.got_host_list:
                self.got_host_list(data)
            else:
                raise Exception('got CMD_HOST_LIST without got_host_list?')
        else:
            callback = self.channels.get(channel)
            if not callback:

# Path: sshuttle/helpers.py
# def b(s):
#     return s.encode("ASCII")
# 
# def log(s):
#     global logprefix
#     try:
#         sys.stdout.flush()
#         # Put newline at end of string if line doesn't have one.
#         if not s.endswith("\n"):
#             s = s+"\n"
# 
#         prefix = logprefix
#         s = s.rstrip("\n")
#         for line in s.split("\n"):
#             # We output with \r\n instead of \n because when we use
#             # sudo with the use_pty option, the firewall process, the
#             # other processes printing to the terminal will have the
#             # \n move to the next line, but they will fail to reset
#             # cursor to the beginning of the line. Printing output
#             # with \r\n endings fixes that problem and does not appear
#             # to cause problems elsewhere.
#             sys.stderr.write(prefix + line + "\r\n")
#             prefix = "    "
#         sys.stderr.flush()
#     except IOError:
#         # this could happen if stderr gets forcibly disconnected, eg. because
#         # our tty closes.  That sucks, but it's no reason to abort the program.
#         pass
# 
# def debug1(s):
#     if verbose >= 1:
#         log(s)
# 
# def debug2(s):
#     if verbose >= 2:
#         log(s)
# 
# def debug3(s):
#     if verbose >= 3:
#         log(s)
# 
# class Fatal(Exception):
#     pass


# Path: sshuttle/ssnet.py
import sys
import struct
import socket
import errno
import select
import os
import fcntl
from sshuttle.helpers import b, log, debug1, debug2, debug3, Fatal

        elif cmd == CMD_TCP_CONNECT:
            assert(not self.channels.get(channel))
            if self.new_channel:
                self.new_channel(channel, data)
        elif cmd == CMD_DNS_REQ:
            assert(not self.channels.get(channel))
            if self.got_dns_req:
                self.got_dns_req(channel, data)
        elif cmd == CMD_UDP_OPEN:
            assert(not self.channels.get(channel))
            if self.got_udp_open:
                self.got_udp_open(channel, data)
        elif cmd == CMD_ROUTES:
            if self.got_routes:
                self.got_routes(data)
            else:
                raise Exception('got CMD_ROUTES without got_routes?')
        elif cmd == CMD_HOST_REQ:
            if self.got_host_req:
                self.got_host_req(data)
            else:
                raise Exception('got CMD_HOST_REQ without got_host_req?')
        elif cmd == CMD_HOST_LIST:
            if self.got_host_list:
                self.got_host_list(data)
            else:
                raise Exception('got CMD_HOST_LIST without got_host_list?')
        else:
            callback = self.channels.get(channel)
            if not callback:

                log('warning: closed channel %d got cmd=%s len=%d'