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Add -N (--auto-nets) option for auto-discovering subnets.

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Now if you do

	./sshuttle -Nr username@myservername

It'll automatically route the "local" subnets (ie., stuff in the routing
table) from myservername.  This is (hopefully a reasonable default setting
for most people.
This commit is contained in:
Avery Pennarun
2010-05-07 20:02:04 -04:00
parent 77935bd110
commit 7043195043
6 changed files with 131 additions and 22 deletions
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13
main.py
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@ -50,6 +50,7 @@ sshuttle --firewall <port> <subnets...>
sshuttle --server
--
l,listen= transproxy to this ip address and port number [default=0]
N,auto-nets automatically determine subnets to route
r,remote= ssh hostname (and optional username) of remote sshuttle server
v,verbose increase debug message verbosity
noserver don't use a separate server process (mostly for debugging)
@ -65,19 +66,19 @@ try:
if opt.server:
sys.exit(server.main())
elif opt.firewall:
if len(extra) < 1:
o.fatal('at least one argument expected')
sys.exit(firewall.main(int(extra[0]),
parse_subnets(extra[1:])))
if len(extra) != 1:
o.fatal('exactly one argument expected')
sys.exit(firewall.main(int(extra[0])))
else:
if len(extra) < 1:
o.fatal('at least one subnet expected')
if len(extra) < 1 and not opt.auto_nets:
o.fatal('at least one subnet (or -N) expected')
remotename = opt.remote
if remotename == '' or remotename == '-':
remotename = None
sys.exit(client.main(parse_ipport(opt.listen or '0.0.0.0:0'),
not opt.noserver,
remotename,
opt.auto_nets,
parse_subnets(extra)))
except Fatal, e:
log('fatal: %s\n' % e)