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comparison mercurial/windows.py @ 33651:739cc0f9cbb4 stable

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ssh: ban any username@host or host that starts with - (SEC) This paranoia probably isn't required, but it can't hurt either.
author Augie Fackler <augie@google.com>
date Fri, 04 Aug 2017 14:00:03 -0400
parents 605f124d1146
children 8cb9e921ef8c
comparison
equal deleted inserted replaced
33650:0b3fe3910ef5 33651:739cc0f9cbb4
15 import sys 15 import sys
16 16
17 from .i18n import _ 17 from .i18n import _
18 from . import ( 18 from . import (
19 encoding, 19 encoding,
20 error,
20 policy, 21 policy,
21 pycompat, 22 pycompat,
22 win32, 23 win32,
23 ) 24 )
24 25
201 202
202 def sshargs(sshcmd, host, user, port): 203 def sshargs(sshcmd, host, user, port):
203 '''Build argument list for ssh or Plink''' 204 '''Build argument list for ssh or Plink'''
204 pflag = 'plink' in sshcmd.lower() and '-P' or '-p' 205 pflag = 'plink' in sshcmd.lower() and '-P' or '-p'
205 args = user and ("%s@%s" % (user, host)) or host 206 args = user and ("%s@%s" % (user, host)) or host
207 if args.startswith('-') or args.startswith('/'):
208 raise error.Abort(
209 _('illegal ssh hostname or username starting with - or /: %s') %
210 args)
206 return port and ("%s %s %s" % (args, pflag, port)) or args 211 return port and ("%s %s %s" % (args, pflag, port)) or args
207 212
208 def setflags(f, l, x): 213 def setflags(f, l, x):
209 pass 214 pass
210 215