diff options
Diffstat (limited to 'src/leap/services/eip')
| -rw-r--r-- | src/leap/services/eip/vpnlaunchers.py | 96 |
1 files changed, 73 insertions, 23 deletions
diff --git a/src/leap/services/eip/vpnlaunchers.py b/src/leap/services/eip/vpnlaunchers.py index 952d3618..d15aed82 100644 --- a/src/leap/services/eip/vpnlaunchers.py +++ b/src/leap/services/eip/vpnlaunchers.py @@ -29,6 +29,7 @@ except ImportError: pass # ignore, probably windows from abc import ABCMeta, abstractmethod +from functools import partial from leap.common.check import leap_assert, leap_assert_type from leap.common.files import which @@ -105,22 +106,37 @@ def get_platform_launcher(): def _is_pkexec_in_system(): + """ + Checks the existence of the pkexec binary in system. + """ pkexec_path = which('pkexec') if len(pkexec_path) == 0: return False return True -def _has_updown_scripts(path): +def _has_updown_scripts(path, warn=True): """ - Checks the existence of the up/down scripts + Checks the existence of the up/down scripts. + + :param path: the path to be checked + :type path: str + + :param warn: whether we should log the absence + :type warn: bool + + :rtype: bool """ - # XXX should check permissions too is_file = os.path.isfile(path) - if not is_file: - logger.error("Could not find up/down scripts. " + - "Might produce DNS leaks.") - return is_file + if warn and not is_file: + logger.error("Could not find up/down script %s. " + "Might produce DNS leaks." % (path,)) + + is_exe = os.access(path, os.X_OK) + if warn and not is_exe: + logger.error("Up/down script %s is not executable. " + "Might produce DNS leaks." % (path,)) + return is_file and is_exe def _is_auth_agent_running(): @@ -229,7 +245,6 @@ class LinuxVPNLauncher(VPNLauncher): openvpn_configuration = eipconfig.get_openvpn_configuration() - # FIXME: sanitize this! -- for key, value in openvpn_configuration.items(): args += ['--%s' % (key,), value] @@ -294,15 +309,40 @@ class DarwinVPNLauncher(VPNLauncher): OSASCRIPT_BIN = '/usr/bin/osascript' OSX_ASADMIN = "do shell script \"%s\" with administrator privileges" - OPENVPN_BIN = 'openvpn.leap' - INSTALL_PATH = "/Applications/LEAPClient.app/" + + INSTALL_PATH = "/Applications/LEAP\ Client.app" # OPENVPN_BIN = "/%s/Contents/Resources/openvpn.leap" % ( # self.INSTALL_PATH,) - UP_SCRIPT = "/%s/client.up.sh" % (INSTALL_PATH,) - DOWN_SCRIPT = "/%s/client.down.sh" % (INSTALL_PATH,) + OPENVPN_BIN = 'openvpn.leap' + OPENVPN_PATH = "%s/Contents/Resources/openvpn" % (INSTALL_PATH,) + + UP_SCRIPT = "%s/client.up.sh" % (OPENVPN_PATH,) + DOWN_SCRIPT = "%s/client.down.sh" % (OPENVPN_PATH,) + OPENVPN_DOWN_PLUGIN = '%s/openvpn-down-root.so' % (OPENVPN_PATH,) + + UPDOWN_FILES = (UP_SCRIPT, DOWN_SCRIPT, OPENVPN_DOWN_PLUGIN) - # TODO: Add - # OPENVPN_DOWN_ROOT = "/usr/lib/openvpn/openvpn-down-root.so" + @classmethod + def missing_updown_scripts(kls): + """ + Returns what updown scripts are missing. + :rtype: list + """ + file_exist = partial(_has_updown_scripts, warn=False) + zipped = zip(kls.UPDOWN_FILES, map(file_exist, kls.UPDOWN_FILES)) + missing = filter(lambda (path, exists): exists is False, zipped) + return [path for path, exists in missing] + + @classmethod + def cmd_for_missing_scripts(kls, frompath): + """ + Returns a command that can copy the missing scripts. + :rtype: str + """ + to = kls.OPENVPN_PATH + cmd = "#!/bin/sh\nmkdir -p %s\ncp \"%s/\"* %s" % (to, frompath, to) + #return kls.OSX_ASADMIN % cmd + return cmd def get_vpn_command(self, eipconfig=None, providerconfig=None, socket_host=None, socket_port="unix"): @@ -365,20 +405,19 @@ class DarwinVPNLauncher(VPNLauncher): 'server' ] - # FIXME: sanitize this! -- - openvpn_configuration = eipconfig.get_openvpn_configuration() for key, value in openvpn_configuration.items(): args += ['--%s' % (key,), value] + user = getpass.getuser() args += [ - '--user', getpass.getuser(), + '--user', user, '--group', grp.getgrgid(os.getgroups()[-1]).gr_name ] if socket_port == "unix": args += [ - '--management-client-user', getpass.getuser() + '--management-client-user', user ] args += [ @@ -391,13 +430,21 @@ class DarwinVPNLauncher(VPNLauncher): args += [ '--up', self.UP_SCRIPT, ] + if _has_updown_scripts(self.DOWN_SCRIPT): args += [ - '--down', self.DOWN_SCRIPT, - # FIXME add down-plugin - # '--plugin', self.OPENVPN_DOWN_ROOT, - # '\'script_type=down %s\'' % self.DOWN_SCRIPT - ] + '--down', self.DOWN_SCRIPT] + + # should have the down script too + if _has_updown_scripts(self.OPENVPN_DOWN_PLUGIN): + args += [ + '--plugin', self.OPENVPN_DOWN_PLUGIN, + '\'%s\'' % self.DOWN_SCRIPT + ] + + # we set user to be passed to the up/down scripts + args += [ + '--setenv', "LEAPUSER", "%s" % (user,)] args += [ '--cert', eipconfig.get_client_cert_path(providerconfig), @@ -405,6 +452,9 @@ class DarwinVPNLauncher(VPNLauncher): '--ca', providerconfig.get_ca_cert_path() ] + # We are using osascript until we can write a proper wrapper + # for privilege escalation. + command = self.OSASCRIPT_BIN cmd_args = ["-e", self.OSX_ASADMIN % (' '.join(args),)] |