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dom0/usb: added Big Fat Warning to qvm-usb tool (#664)

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This commit is contained in:
Marek Marczykowski 2012-11-07 22:02:28 +01:00
parent 6bbd935df1
commit 62732d78b2
1 changed files with 19 additions and 0 deletions
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19
dom0/qvm-tools/qvm-usb
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@ -26,6 +26,8 @@ from optparse import OptionParser
import sys
import os
pvusb_enable_flagfile = '/var/lib/qubes/pvusb-enable.flag'
def main():
usage = "usage: %prog -l [options]\n"\
"usage: %prog -a [options] <vm-name> <device-vm-name>:<device>\n"\
@ -46,6 +48,23 @@ def main():
(options, args) = parser.parse_args ()
if not os.path.exists(pvusb_enable_flagfile):
print >> sys.stderr, ""
print >> sys.stderr, "******* WARNING *** WARNING *** WARNING *** WARNING *******"
print >> sys.stderr, "*** ***"
print >> sys.stderr, "*** PVUSB passthrough kernel support is still unstable. ***"
print >> sys.stderr, "*** It can CRASH your VMs ***"
print >> sys.stderr, "*** ***"
print >> sys.stderr, "***********************************************************"
print >> sys.stderr, ""
print >> sys.stderr, "If you still want to use it, type capital YES"
print >> sys.stderr, ""
prompt = raw_input ("Do you want enable PV USB support? ")
if prompt == "YES":
open(pvusb_enable_flagfile, "w").close()
else:
exit(1)
if os.geteuid() == 0:
if not options.force_root:
print >> sys.stderr, "*** Running this tool as root is strongly discouraged, this will lead you in permissions problems."