server/vmmanager/vmmanager.py
author mb
Tue, 03 Dec 2013 18:04:46 +0100
changeset 7 903480cebdfb
child 8 616dca19f52c
permissions -rw-r--r--
added vmmanager and USBEventSvc
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'''
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Created on Nov 19, 2013
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@author: BarthaM
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'''
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import os
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import os.path
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from subprocess import Popen, PIPE, call
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import subprocess
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import sys
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import re
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DEBUG = True
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class USBFilter:
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    vendorid = ""
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    productid = ""
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    revision = ""
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    def __init__(self, vendorid, productid, revision):
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        self.vendorid = vendorid.lower()
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        self.productid = productid.lower()
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        self.revision = revision.lower()
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        return
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    def __eq__(self, other):
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        return self.vendorid == other.vendorid and self.productid == other.productid and self.revision == other.revision
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    def __hash__(self):
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        return hash(self.vendorid) ^ hash(self.productid) ^ hash(self.revision)
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    def __repr__(self):
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        return "VendorId = \'" + str(self.vendorid) + "\' ProductId = \'" + str(self.productid) + "\' Revision = \'" + str(self.revision) + "\'"
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class VMManager(object):
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    vmRootName = "SecurityDVM"
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    systemProperties = None
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    cygwin_path = 'c:\\cygwin64\\bin\\'
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    def __init__(self):
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        self.systemProperties = self.getSystemProperties()
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        #TODO: get cygwin path externally
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        return
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    def execute(self, cmd):
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        if DEBUG:
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            print('trying to launch: ' + cmd)
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        process = Popen(cmd, stdout=PIPE, stderr=PIPE)
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        if DEBUG:
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            print('launched: ' + cmd)
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        result = process.wait()
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        res_stdout = process.stdout.read();
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        res_stderr = process.stderr.read();
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        if DEBUG:
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            if res_stdout != "":
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                print res_stdout
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            if res_stderr != "":
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                print res_stderr
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        return result, res_stdout, res_stderr
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    def getSystemProperties(self):
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        cmd = 'VBoxManage list systemproperties'
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        result = self.execute(cmd)
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        if result[1]=='':
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            return None
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        props = dict((k.strip(),v.strip().strip('"')) for k,v in (line.split(':', 1) for line in result[1].strip().splitlines()))
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        return props
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    def getDefaultMachineFolder(self):
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        return self.systemProperties["Default machine folder"]
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    def createVM(self, vm_name):
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        hostonly_if = self.getHostOnlyIFs()
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        cmd = 'VBoxManage createvm --name ' + vm_name, ' --ostype Debian --register'
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        self.execute(cmd)
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        cmd = 'VBoxManage modifyvm ' + vm_name + ' --memory 512 --vram 10 --cpus 1 --usb on --usbehci on --nic1 hostonly --hostonlyadapter1 ' + hostonly_if['Name'] + ' --nic2 nat' 
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        self.execute(cmd)
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        cmd = 'VBoxManage storagectl ' + vm_name + ' --name contr1 --add sata --sataportcount 2'
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        self.execute(cmd)
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        cmd = 'VBoxManage storageattach ' + vm_name + ' --storagectl contr1 --port 0 --device 0 --type hdd --mtype normal --medium C:\Users\BarthaM\VirtualBox VMs\SecurityVM\SecurityVM.vdi'
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        self.execute(cmd)
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        return
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    def attachRSD(self, vm_name, filter):
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        cmd = 'VBoxManage usbfilter add 0 --target ' + vm_name + ' --name OpenSecurityRSD --vendorid ' + filter.vendorid + ' --productid ' + filter.productid + ' --revision ' + filter.revision
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        print self.execute(cmd)
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    def removeVM(self, vm_name):
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        print('removing ' + vm_name)
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        cmd = 'VBoxManage unregistervm', vm_name, '--delete'
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        print self.execute(cmd)
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        machineFolder = self.getDefaultMachineFolder()
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        cmd = self.cygwin_path+'bash.exe --login -c \"rm -rf ' + machineFolder + '\\' + vm_name + '*\"'
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        print self.execute(cmd)
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    def startVM(self, vm_name):
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        print('starting ' +  vm_name)
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        cmd = 'VBoxManage startvm ' + vm_name + ' --type headless'
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        print self.execute(cmd)
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    def stopVM(self, vm_name):
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        print('stopping ' + vm_name)
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        cmd = 'VBoxManage controlvm ' + vm_name + ' poweroff'
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        print self.execute(cmd)
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    def getHostOnlyIFs(self):
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        cmd = ['VBoxManage list hostonlyifs']
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        result = self.execute(cmd)
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        if result=='':
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            return None
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        props = dict((k.strip(),v.strip().strip('"')) for k,v in (line.split(':', 1) for line in result.strip().splitlines()))
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        return props
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    def getHostOnlyIP(self, vm_name):
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        print('gettting hostOnly IP address ' + vm_name)
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        cmd = 'VBoxManage guestproperty get ' + vm_name + ' /VirtualBox/GuestInfo/Net/0/V4/IP'
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        result = self.execute(cmd)
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        if result=='':
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            return None
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        result = result[1]
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        return result[result.index(':')+1:].strip()
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    def listRSDS(self):
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        cmd = 'VBoxManage list usbhost'
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        results = self.execute(cmd)
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        results = results.split('Host USB Devices:')[1].strip()
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        items = list( "UUID:"+result for result in results.split('UUID:') if result != '')
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        rsds = dict()   
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        for item in items:
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            props = dict()
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            for line in item.splitlines():
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                if line != "":         
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                    k,v = line[:line.index(':')].strip(), line[line.index(':')+1:].strip()
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                    props[k] = v;
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            if 'Product' in props.keys() and props['Product'] == 'Mass Storage':
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                usb_filter = USBFilter( re.search(r"\((?P<vid>[0-9A-Fa-f]+)\)", props['VendorId']).groupdict()['vid'], 
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                                        re.search(r"\((?P<pid>[0-9A-Fa-f]+)\)", props['ProductId']).groupdict()['pid'],
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                                        re.search(r"\((?P<rev>[0-9A-Fa-f]+)\)", props['Revision']).groupdict()['rev'] )
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                rsds[props['UUID']] = usb_filter;
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                if DEBUG:
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                    print filter
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        return rsds
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    def listVM(self):
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        cmd = 'VBoxManage list vms'
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        result = self.execute(cmd)
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        vms = list(k.strip().strip('"') for k,_ in (line.split(' ') for line in result.splitlines()))
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        return vms
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    def listSDVM(self):
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        vms = self.listVM()
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        svdms = []
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        for vm in vms:
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            if vm.startswith(self.vmRootName) and vm != self.vmRootName:
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                svdms.append(vm)
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        return svdms
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    def generateSDVMName(self):
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        vms = self.listVM()
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        for i in range(0,999):
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            if(not self.vmRootName+str(i) in vms):
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                return self.vmRootName+str(i)
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        return ''
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    def getVMInfo(self, vm_name):
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        cmd = 'VBoxManage showvminfo ' + vm_name + ' --machinereadable'
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        results = self.execute(cmd)
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        props = dict((k.strip(),v.strip().strip('"')) for k,v in (line.split('=', 1) for line in results.splitlines()))
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        return props
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    def getUSBFilter(self, vm_name):
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        props = self.getVMInfo(vm_name)
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        keys = set(['USBFilterVendorId1', 'USBFilterProductId1', 'USBFilterRevision1'])
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        keyset = set(props.keys())
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        usb_filter = None
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        if keyset.issuperset(keys):
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            usb_filter = USBFilter(props['USBFilterVendorId1'], props['USBFilterProductId1'], props['USBFilterRevision1'])
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        return usb_filter
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    def getAttachedRSDs(self):
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        vms = self.listSDVM()
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        attached_devices = dict()
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        for vm in vms:
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            filter = self.getUSBFilter(vm)
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            if filter != None:
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                attached_devices[vm] = filter
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        return attached_devices
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    #generates ISO containing authorized_keys for use with guest VM
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    def genCertificateISO(self, vm_name):
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        machineFolder = self.getDefaultMachineFolder()
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        # create .ssh folder in vm_name
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        cmd = self.cygwin_path+'bash.exe --login -c \"mkdir -p \\\"' + machineFolder + '\\' + vm_name + '\\.ssh\\\"\"'
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        result = self.execute(cmd)
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        # generate dvm_key pair in vm_name / .ssh     
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        cmd = self.cygwin_path+'bash.exe --login -c \"ssh-keygen -q -t rsa -N \\"\\" -C \\\"' + vm_name + '\\\" -f \\\"' + machineFolder + '\\' + vm_name + '\\.ssh\\dvm_key\\\"\"'   #'echo -e "y\\n" |',
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        result = self.execute(cmd)
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        # set permissions for keys
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        #TODO: test without chmod
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        cmd = self.cygwin_path+'bash.exe --login -c \"chmod 500 \\\"' + machineFolder + '\\' + vm_name + '\\.ssh\\*\\\"\"'
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        result = self.execute(cmd)
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        # move out private key
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        cmd = self.cygwin_path+'bash.exe --login -c \"mv \\\"' + machineFolder + '\\' + vm_name + '\\.ssh\\dvm_key\\\" \\\"' + machineFolder + '\\' + vm_name + '\\\"'
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        result = self.execute(cmd)
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        # rename public key to authorized_keys
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        cmd = self.cygwin_path+'bash.exe --login -c \"mv \\\"' + machineFolder + '\\' + vm_name + '\\.ssh\\dvm_key.pub\\\" \\\"' + machineFolder + '\\' + vm_name + '\\.ssh\\authorized_keys\\\"'
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        result = self.execute(cmd)
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        # generate iso image with .ssh/authorized keys
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        cmd = self.cygwin_path+'bash.exe --login -c \"/usr/bin/genisoimage -J -R -o \\\"' + machineFolder + '\\' + vm_name + '\\'+ vm_name + '.iso\\\" \\\"' + machineFolder + '\\' + vm_name + '\\.ssh\\\"\"'
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        result = self.execute(cmd)
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    # attaches generated ssh public cert to guest vm
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    def attachCertificateISO(self, vm_name):
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        machineFolder = self.getDefaultMachineFolder()
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        cmd = 'vboxmanage storageattach ' + vm_name + ' --storagectl contr1 --port 1 --device 0 --type dvddrive --mtype readonly --medium \"' + machineFolder + '\\' + vm_name + '\\'+ vm_name + '.iso\"'
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        result = self.execute(cmd)
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        return result
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    # handles device change events
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    def handleDeviceChange(self):
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        attached_devices = self.getAttachedRSDs()
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        connected_devices = self.listRSDS()
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        for vm_name in attached_devices.keys():
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            if attached_devices[vm_name] not in connected_devices.values():
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                self.stopVM(vm_name)
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                self.removeVM(vm_name)
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        attached_devices = self.getAttachedRSDs()
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        for connected_device in connected_devices.values():
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            if connected_device not in attached_devices.values():
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                new_sdvm = self.generateSDVMName()
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                self.createVM(new_sdvm)
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                self.genCertificateISO(new_sdvm)
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                self.attachCertificateISO(new_sdvm)
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                self.attachRSD(new_sdvm, connected_device)
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                self.startVM(new_sdvm)
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    # executes command over ssh on guest vm
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    def sshGuestExecute(self, vm_name, prog):
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        # get vm ip
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        address = self.getHostOnlyIP(vm_name)
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        machineFolder = self.getDefaultMachineFolder()
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        # run command
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        cmd = self.cygwin_path+'bash.exe --login -c \"ssh -i \\\"' + machineFolder + '\\' + vm_name + '\\dvm_key\\\"  bartham@' + address + ' ' + prog + '\"'
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        return self.execute(cmd)
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    # executes command over ssh on guest vm with X forwarding
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    def sshGuestX11Execute(self, vm_name, prog):
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        #TODO: verify if X server is running on user account 
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        #TODO: set DISPLAY accordingly
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        address = self.getHostOnlyIP(vm_name)
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        machineFolder = self.getDefaultMachineFolder()
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        # run command
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        cmd = self.cygwin_path+'bash.exe --login -c \"DISPLAY=:0 ssh -Y -i \\\"' + machineFolder + '\\' + vm_name + '\\dvm_key\\\"  bartham@' + address + ' ' + prog + '\"'
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        return self.execute(cmd)    
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    # configures hostonly networking and DHCP server
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    # requires admin rights
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    def configureHostNetworking(self):
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        #cmd = 'vboxmanage list hostonlyifs'
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        #self.execute(cmd)
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        #cmd = 'vboxmanage hostonlyif remove \"VirtualBox Host-Only Ethernet Adapter\"'
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        #self.execute(cmd)
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        #cmd = 'vboxmanage hostonlyif create'
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        #self.execute(cmd)
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        cmd = 'vboxmanage hostonlyif ipconfig \"VirtualBox Host-Only Ethernet Adapter\" --ip 192.168.56.1 --netmask 255.255.255.0'
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        self.execute(cmd)
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        #cmd = 'vboxmanage dhcpserver add'
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        #self.execute(cmd)
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        cmd = 'vboxmanage dhcpserver modify --ifname \"VirtualBox Host-Only Ethernet Adapter\" --ip 192.168.56.1 --netmask 255.255.255.0 --lowerip 192.168.56.100 --upperip 192.168.56.255'
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        self.execute(cmd)
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    # executes NET USE and connects to samba share on guestos 
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    def netUse(self, vm_name):
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        ip = self.getHostOnlyIP(vm_name)
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        cmd = 'net use H: \\' + ip + '\RSD_Device'
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        return self.execute(cmd)
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if __name__ == '__main__':
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    man = VMManager()
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    man.cygwin_path = 'c:\\cygwin64\\bin\\'
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    #man.handleDeviceChange()
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    #print man.listSDVM()
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    man.configureHostNetworking()
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    vm_name = "SecurityDVM0"
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    man.genCertificateISO(vm_name)
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    #man.attachCertificateISO(vm_name)
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    #man.sshGuestExecute(vm_name, "ls")
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    #man.sshGuestX11Execute(vm_name, "iceweasel")
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    #cmd = "c:\\cygwin64\\bin\\bash.exe --login -c \"/bin/ls\""
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    #man.execute(cmd)
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