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-rw-r--r--src/leap/platform_init/initializers.py55
1 files changed, 55 insertions, 0 deletions
diff --git a/src/leap/platform_init/initializers.py b/src/leap/platform_init/initializers.py
index ac08e23f..6392a3c5 100644
--- a/src/leap/platform_init/initializers.py
+++ b/src/leap/platform_init/initializers.py
@@ -30,6 +30,10 @@ logger = logging.getLogger(__name__)
def init_platform():
+ """
+ Returns the right initializer for the platform we are running in, or
+ None if no proper initializer is found
+ """
initializer = None
try:
initializer = globals()[platform.system() + "Initializer"]
@@ -43,6 +47,10 @@ def init_platform():
def _windows_has_tap_device():
+ """
+ Loops over the windows registry trying to find if the tap0901 tap driver
+ has been installed on this machine.
+ """
import _winreg as reg
adapter_key = 'SYSTEM\CurrentControlSet\Control\Class' \
@@ -65,6 +73,10 @@ def _windows_has_tap_device():
def WindowsInitializer():
+ """
+ Raises a dialog in case that the windows tap driver has not been found
+ in the registry, asking the user for permission to install the driver
+ """
if not _windows_has_tap_device():
msg = QtGui.QMessageBox()
msg.setWindowTitle(msg.tr("TAP Driver"))
@@ -94,3 +106,46 @@ def WindowsInitializer():
else:
logger.error("Tried to install TAP driver, but the installer "
"is not found or not executable")
+
+
+def _darwin_has_tun_kext():
+ """
+ Returns True only if we found a directory under the system kext folder
+ containing a kext named tun.kext, AND we found a startup item named 'tun'
+ """
+ # XXX we should be smarter here and use kextstats output.
+ has_kext = lambda: os.path.isdir("/System/Library/Extensions/tun.kext")
+ has_startup = lambda: os.path.isdir("/System/Library/StartupItems/tun")
+ return has_kext() and has_startup()
+
+def DarwinInitializer():
+ """
+ Raises a dialog in case that the osx tuntap driver has not been found
+ in the registry, asking the user for permission to install the driver
+ """
+ if not _darwin_has_tun_kext():
+ msg = QtGui.QMessageBox()
+ msg.setWindowTitle(msg.tr("TUN Driver"))
+ msg.setText(msg.tr("LEAPClient needs to install the necessary drivers "
+ "for Encrypted Internet to work. Would you like to "
+ "proceed?"))
+ msg.setInformativeText(msg.tr("Encrypted Internet uses VPN, which "
+ "needs a kernel extension for a TUN "
+ "device installed and none "
+ "has been found"))
+ msg.setStandardButtons(QtGui.QMessageBox.Yes | QtGui.QMessageBox.No)
+ msg.setDefaultButton(QtGui.QMessageBox.Yes)
+ ret = msg.exec_()
+
+ if ret == QtGui.QMessageBox.Yes:
+ installer_path = os.path.join(os.getcwd(),
+ "..",
+ "Resources",
+ "tuntap-installer.app")
+ if os.path.isfile(installer_path) and \
+ os.access(installer_path, os.X_OK):
+ cmd = ["open", installer_path]
+ ret = subprocess.call(cmd, stdout=subprocess.PIPE, shell=True)
+ else:
+ logger.error("Tried to install tuntaposx kext, but the installer "
+ "is not found inside this bundle, or it is not executable")