#
# Luc Yriarte <luc.yriarte@intel.com>
# Christophe Guiraud <christophe.guiraud@intel.com>
+# Frederic Paut <frederic.paut@intel.com>
#
# XML parser module
from xml.etree.ElementTree import XMLParser
-
###############################################################################
-VERSION = "0.3.0"
+VERSION = "0.5.1"
OPENDOOR = False
CREDENTIALS = {}
WHITELIST = []
+NETMASK = []
+
+###############################################################################
+def ipV4ToHex(mask):
+ ## Convert an ip or an IP mask (such as ip/24 or ip/255.255.255.0) in hex value (32bits)
+ maskHex = 0
+ byte = 0
+ if mask.rfind(".") == -1:
+ if (int(mask) < 32):
+ maskHex = (2**(int(mask))-1)
+ maskHex = maskHex << (32-int(mask))
+ else:
+ raise Exception("Illegal mask (larger than 32 bits) " + mask)
+ else:
+ maskField = mask.split(".")
+ # Check if mask has four fields (byte)
+ if len(maskField) != 4:
+ raise Exception("Illegal ip address / mask (should be 4 bytes) " + mask)
+ for maskQuartet in maskField:
+ byte = int(maskQuartet)
+ # Check if each field is really a byte
+ if byte > 255:
+ raise Exception("Illegal ip address / mask (digit larger than a byte) " + mask)
+ maskHex += byte
+ maskHex = maskHex << 8
+ maskHex = maskHex >> 8
+ return maskHex
###############################################################################
class DbusCache:
################################################################################
-class exec_code:
+class ExecCode:
+ '''
+ Execute DynDBusClass generated code
+ '''
def __init__(self, globalCtx, localCtx) :
self.exec_string = ""
self.exec_code = None
################################################################################
-class XmlCb_Parser: # The target object of the parser
+class XmlCbParser: # The target object of the parser
maxDepth = 0
depth = 0
def __init__(self, dynDBusClass):
attrib['type'])
return
if (self.current == 'signal'):
+ if (attrib.has_key('name') == False):
+ attrib['name'] = 'value'
self.dynDBusClass.add_signature(attrib['name'], 'in',
attrib['type'])
return
################################################################################
-class dynDBusClass():
+class DynDBusClass():
def __init__(self, className, globalCtx, localCtx):
self.className = className
- self.xmlCB = XmlCb_Parser(self)
+ self.xmlCB = XmlCbParser(self)
self.signature = {}
- self.class_code = exec_code(globalCtx, localCtx)
+ self.class_code = ExecCode(globalCtx, localCtx)
self.class_code.indent_increment = 4
self.class_code.append_stmt("import dbus")
self.class_code.append_stmt("\n")
## Overload of __init__ method
self.def_method("__init__")
- self.add_method("bus, callback=None, objName='/sample', busName='org.cloudeebus'")
+ self.add_method("bus, callback=None, objPath='/sample', busName='org.cloudeebus'")
self.add_stmt("self.bus = bus")
- self.add_stmt("self.objName = objName")
+ self.add_stmt("self.objPath = objPath")
self.add_stmt("self.callback = callback")
self.add_stmt("dbus.service.Object.__init__(self, conn=bus, bus_name=busName)")
self.end_method()
## Create 'add_to_connection' method
self.def_method("add_to_connection")
self.add_method("connection=None, path=None")
- self.add_stmt("dbus.service.Object.add_to_connection(self, connection=self.bus, path=self.objName)")
+ self.add_stmt("dbus.service.Object.add_to_connection(self, connection=self.bus, path=self.objPath)")
self.end_method()
## Create 'remove_from_connection' method
self.def_method("remove_from_connection")
self.add_method("connection=None, path=None")
- self.add_stmt("dbus.service.Object.remove_from_connection(self, connection=None, path=self.objName)")
+ self.add_stmt("dbus.service.Object.remove_from_connection(self, connection=None, path=self.objPath)")
self.end_method()
def createDBusServiceFromXML(self, xml):
def add_body_method(self):
if (self.methodToAdd != None):
if (self.args_str != str()):
- self.class_code.append_stmt("self.callback('" + self.methodToAdd + "', dbus_async_cb, dbus_async_err_cb, %s)" % self.args_str)
+ self.class_code.append_stmt("self.callback('" + self.methodToAdd + "', self.objPath, '" + self.ifName + "', " + "dbus_async_cb, dbus_async_err_cb, %s)" % self.args_str)
else:
- self.class_code.append_stmt("self.callback('" + self.methodToAdd + "', dbus_async_cb, dbus_async_err_cb)")
+ self.class_code.append_stmt("self.callback('" + self.methodToAdd + "', self.objPath, '" + self.ifName + "', " + "dbus_async_cb, dbus_async_err_cb)")
def add_body_signal(self):
self.class_code.append_stmt("return") ## TODO: Remove and fix with code ad hoc
support for sending DBus messages and registering for DBus signals
'''
def __init__(self, permissions):
- self.permissions = permissions;
+ self.permissions = {};
+ self.permissions['permissions'] = permissions['permissions']
+ self.permissions['authextra'] = permissions['authextra']
self.proxyObjects = {}
self.proxyMethods = {}
self.pendingCalls = []
if not self.proxyObjects.has_key(id):
if not OPENDOOR:
# check permissions, array.index throws exception
- self.permissions.index(serviceName)
+ self.permissions['permissions'].index(serviceName)
bus = cache.dbusConnexion(busName)
self.proxyObjects[id] = bus.get_object(serviceName, objectName)
return self.proxyObjects[id]
if not OPENDOOR:
# check permissions, array.index throws exception
- self.permissions.index(list[1])
+ self.permissions['permissions'].index(list[1])
# check if a handler exists
sigId = "#".join(list)
@exportRpc
+ def emitSignal(self, list):
+ '''
+ arguments: agentObjectPath, signalName, result (to emit)
+ '''
+ objectPath = list[0]
+ className = re.sub('/', '_', objectPath[1:])
+ signalName = list[1]
+ result = list[2]
+ if (self.serviceAgents.has_key(className) == True):
+ exe_str = "self.serviceAgents['"+ className +"']."+ signalName + "(" + str(result) + ")"
+ eval(exe_str, self.globalCtx, self.localCtx)
+ else:
+ raise Exception("No object path " + objectPath)
+
+ @exportRpc
def returnMethod(self, list):
'''
- arguments: methodId, success (=true, error otherwise), result (to return)
+ arguments: methodId, callIndex, success (=true, error otherwise), result (to return)
'''
methodId = list[0]
- success = list[1]
- result = list[2]
+ callIndex = list[1]
+ success = list[2]
+ result = list[3]
if (self.servicePendingCalls.has_key(methodId)):
- cb = self.servicePendingCalls[methodId]
+ cb = self.servicePendingCalls[methodId]['calls'][callIndex]
+ if cb is None:
+ raise Exception("No pending call " + str(callIndex) + " for methodID " + methodId)
if (success):
successCB = cb["successCB"]
if (result != None):
errorCB(result)
else:
errorCB()
- self.servicePendingCalls[methodId] = None
+ self.servicePendingCalls[methodId]['calls'][callIndex] = None
+ self.servicePendingCalls[methodId]['count'] = self.servicePendingCalls[methodId]['count'] - 1
+ if self.servicePendingCalls[methodId]['count'] == 0:
+ del self.servicePendingCalls[methodId]
else:
- print "No methodID %s !!" % (methodId)
-
- def jsonEncodeTupleKeyDict(self, data):
- ndict = dict()
- # creates new dictionary with the original tuple converted to json string
- dataLen = len(data)
- string = ""
- for index in range(dataLen):
- for key in data[index]:
- value = data[index][key]
- print "key=" + key
- print "value=" + str(value)
- nkey = str(key)
- nvalue = ""
- print "JSON key=" + nkey
- if (isinstance(value, dbus.Array)):
- # Searching dbus byte in array...
- ValueLen = len(value)
- nvalue = []
- for indexValue in range(ValueLen):
- a = value[indexValue]
- if (isinstance(a, dbus.Byte)):
- a = int(value[indexValue])
- nvalue.append(a)
- else:
- nvalue = str(value[indexValue])
-
- print "JSON value=" + str(nvalue)
- ndict[nkey] = nvalue
-
- return ndict
-
- def srvCB(self, name, async_succes_cb, async_error_cb, *args):
- methodId = self.srvName + "#" + self.agentObjectPath + "#" + name
+ raise Exception("No methodID " + methodId)
+
+ def srvCB(self, name, objPath, ifName, async_succes_cb, async_error_cb, *args):
+ methodId = self.srvName + "#" + objPath + "#" + ifName + "#" + name
cb = { 'successCB': async_succes_cb,
'errorCB': async_error_cb}
- self.servicePendingCalls[methodId] = cb
-
- if (len(args) > 0):
- print "Received args=%s" % (str(args))
- else:
- print "No args received"
+ if methodId not in self.servicePendingCalls:
+ self.servicePendingCalls[methodId] = {'count': 0, 'calls': []}
- try:
- print "factory.dispatch(methodId=%s, args=%s)" % (methodId, json.dumps(args))
- factory.dispatch(methodId, json.dumps(args))
- return
- except Exception, e :
- print "Error=%s" % (str(e))
-
- print "Trying to decode dbus.Dictionnary..."
try:
- params = self.jsonEncodeTupleKeyDict(args)
- print "factory.dispatch(methodId=%s, args=%s)" % (methodId, params)
- factory.dispatch(methodId, params)
- return
- except Exception, e :
- print "Error=%s" % (str(e))
-
- print "Trying to pass args as string..."
- try:
- print "factory.dispatch(methodId=%s, args=%s)" % (methodId, str(args))
- factory.dispatch(methodId, str(args))
- return
- except Exception, e :
- print "Error=%s" % (str(e))
+ pendingCallStr = json.dumps({'callIndex': len(self.servicePendingCalls[methodId]['calls']), 'args': args})
+ except Exception, e:
+ args = eval( str(args).replace("dbus.Byte", "dbus.Int16") )
+ pendingCallStr = json.dumps({'callIndex': len(self.servicePendingCalls[methodId]['calls']), 'args': args})
+
+ self.servicePendingCalls[methodId]['calls'].append(cb)
+ self.servicePendingCalls[methodId]['count'] = self.servicePendingCalls[methodId]['count'] + 1
+ factory.dispatch(methodId, pendingCallStr)
@exportRpc
def serviceAdd(self, list):
xmlTemplate = list[1]
self.className = re.sub('/', '_', self.agentObjectPath[1:])
if (self.dynDBusClasses.has_key(self.className) == False):
- self.dynDBusClasses[self.className] = dynDBusClass(self.className, self.globalCtx, self.localCtx)
+ self.dynDBusClasses[self.className] = DynDBusClass(self.className, self.globalCtx, self.localCtx)
self.dynDBusClasses[self.className].createDBusServiceFromXML(xmlTemplate)
self.dynDBusClasses[self.className].declare()
## Class already exist, instanciate it if not already instanciated
if (self.serviceAgents.has_key(self.className) == False):
- self.serviceAgents[self.className] = eval(self.className + "(self.bus, callback=self.srvCB, objName=self.agentObjectPath, busName=self.srvName)", self.globalCtx, self.localCtx)
+ self.serviceAgents[self.className] = eval(self.className + "(self.bus, callback=self.srvCB, objPath=self.agentObjectPath, busName=self.srvName)", self.globalCtx, self.localCtx)
self.serviceAgents[self.className].add_to_connection()
return (self.agentObjectPath)
def getAuthPermissions(self, key, extra):
- return json.loads(extra.get("permissions", "[]"))
-
+ return {'permissions': extra.get("permissions", None),
+ 'authextra': extra.get("authextra", None)}
def getAuthSecret(self, key):
secret = CREDENTIALS.get(key, None)
if secret is None:
return None
# secret must be of str type to be hashed
- return secret.encode('utf-8')
+ return str(secret)
def onAuthenticated(self, key, permissions):
if not OPENDOOR:
+ # check net filter
+ if NETMASK != []:
+ ipAllowed = False
+ for netfilter in NETMASK:
+ ipHex=ipV4ToHex(self.peer.host)
+ ipAllowed = (ipHex & netfilter['mask']) == netfilter['ipAllowed'] & netfilter['mask']
+ if ipAllowed:
+ break
+ if not ipAllowed:
+ raise Exception("host " + self.peer.host + " is not allowed!")
# check authentication key
if key is None:
raise Exception("Authentication failed")
# check permissions, array.index throws exception
- for req in permissions:
- WHITELIST.index(req)
+ for req in permissions['permissions']:
+ WHITELIST.index(req);
# create cloudeebus service instance
self.cloudeebusService = CloudeebusService(permissions)
# register it for RPC
help='path to credentials file')
parser.add_argument('-w', '--whitelist',
help='path to whitelist file')
+ parser.add_argument('-n', '--netmask',
+ help='netmask,IP filter (comma separated.) eg. : -n 127.0.0.1,192.168.2.0/24,10.12.16.0/255.255.255.0')
args = parser.parse_args(sys.argv[1:])
jfile = open(args.whitelist)
WHITELIST = json.load(jfile)
jfile.close()
+
+ if args.netmask:
+ iplist = args.netmask.split(",")
+ for ip in iplist:
+ if ip.rfind("/") != -1:
+ ip=ip.split("/")
+ ipAllowed = ip[0]
+ mask = ip[1]
+ else:
+ ipAllowed = ip
+ mask = "255.255.255.255"
+ NETMASK.append( {'ipAllowed': ipV4ToHex(ipAllowed), 'mask' : ipV4ToHex(mask)} )
uri = "ws://localhost:" + args.port
projects / contrib / cloudeebus.git / blobdiff