50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
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#!/usr/bin/python
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##
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## This script is for dom0
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## The syntax is modelled after "xl block-attach"
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## FIXME: should be modelled after block-detach instead
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##
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import sys
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import os
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import xen.lowlevel.xl
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# parse command line
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if (len(sys.argv)<4) or (len(sys.argv)>5):
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print 'usage: xl-qvm-usb-detach.py <frontendvm-xid> <backendvm-device> <frontendvm-device> [<backendvm-xid>]'
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sys.exit(1)
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frontendvm_xid=sys.argv[1]
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backendvm_device=sys.argv[2]
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frontend=sys.argv[3].split('-')
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if len(frontend)!=2:
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print 'Error: frontendvm-device must be in <controller>-<port> format'
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sys.exit(1)
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(controller, port)=frontend
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if len(sys.argv)>4:
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backendvm_xid=int(sys.argv[4])
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backendvm_name=xen.lowlevel.xl.ctx().domid_to_name(backendvm_xid)
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else:
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backendvm_xid=0
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cmd = "/usr/lib/qubes/vusb-ctl.py unbind '%s'" % backendvm_device
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if backendvm_xid == 0:
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os.system("sudo %s" % cmd)
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else:
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from qubes.qubes import QubesVmCollection
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qvm_collection = QubesVmCollection()
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qvm_collection.lock_db_for_reading()
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qvm_collection.load()
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qvm_collection.unlock_db()
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# launch
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qvm_collection.get_vm_by_name(backendvm_name).run("root: %s" % cmd)
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# FIXME: command injection
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os.system("xenstore-write /local/domain/%s/backend/vusb/%s/%s/port/%s ''"
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% (backendvm_xid, frontendvm_xid, controller, port))
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