Python socket.SCM_RIGHTS属性代码示例

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def testFDPassPartialIntInMiddle(self):
        # Try to pass two FD arrays, the first of which is truncated.
        msg, ancdata, flags, addr = self.doRecvmsg(self.serv_sock,
                                                   len(MSG), 10240)
        self.assertEqual(msg, MSG)
        self.checkRecvmsgAddress(addr, self.cli_addr)
        self.checkFlags(flags, eor=True, ignore=socket.MSG_CTRUNC)
        self.assertLessEqual(len(ancdata), 2)
        fds = array.array("i")
        # Arrays may have been combined in a single control message
        for cmsg_level, cmsg_type, cmsg_data in ancdata:
            self.assertEqual(cmsg_level, socket.SOL_SOCKET)
            self.assertEqual(cmsg_type, socket.SCM_RIGHTS)
            fds.frombytes(cmsg_data[:
                    len(cmsg_data) - (len(cmsg_data) % fds.itemsize)])
        self.assertLessEqual(len(fds), 2)
        self.checkFDs(fds) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def recvfds(sock, size):
        '''Receive an array of fds over an AF_UNIX socket.'''
        a = array.array('i')
        bytes_size = a.itemsize * size
        msg, ancdata, flags, addr = sock.recvmsg(1, socket.CMSG_LEN(bytes_size))
        if not msg and not ancdata:
            raise EOFError
        try:
            if ACKNOWLEDGE:
                sock.send(b'A')
            if len(ancdata) != 1:
                raise RuntimeError('received %d items of ancdata' %
                                   len(ancdata))
            cmsg_level, cmsg_type, cmsg_data = ancdata[0]
            if (cmsg_level == socket.SOL_SOCKET and
                cmsg_type == socket.SCM_RIGHTS):
                if len(cmsg_data) % a.itemsize != 0:
                    raise ValueError
                a.frombytes(cmsg_data)
                assert len(a) % 256 == msg[0]
                return list(a)
        except (ValueError, IndexError):
            pass
        raise RuntimeError('Invalid data received') 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def closeRecvmsgFDs(self, recvmsg_result):
        # Close all file descriptors specified in the ancillary data
        # of the given return value from recvmsg() or recvmsg_into().
        for cmsg_level, cmsg_type, cmsg_data in recvmsg_result[1]:
            if (cmsg_level == socket.SOL_SOCKET and
                    cmsg_type == socket.SCM_RIGHTS):
                fds = array.array("i")
                fds.frombytes(cmsg_data[:
                        len(cmsg_data) - (len(cmsg_data) % fds.itemsize)])
                for fd in fds:
                    os.close(fd) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def createAndSendFDs(self, n):
        # Send n new file descriptors created by newFDs() to the
        # server, with the constant MSG as the non-ancillary data.
        self.assertEqual(
            self.sendmsgToServer([MSG],
                                 [(socket.SOL_SOCKET,
                                   socket.SCM_RIGHTS,
                                   array.array("i", self.newFDs(n)))]),
            len(MSG)) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def checkRecvmsgFDs(self, numfds, result, maxcmsgs=1, ignoreflags=0):
        # Check that constant MSG was received with numfds file
        # descriptors in a maximum of maxcmsgs control messages (which
        # must contain only complete integers).  By default, check
        # that MSG_CTRUNC is unset, but ignore any flags in
        # ignoreflags.
        msg, ancdata, flags, addr = result
        self.assertEqual(msg, MSG)
        self.checkRecvmsgAddress(addr, self.cli_addr)
        self.checkFlags(flags, eor=True, checkunset=socket.MSG_CTRUNC,
                        ignore=ignoreflags)

        self.assertIsInstance(ancdata, list)
        self.assertLessEqual(len(ancdata), maxcmsgs)
        fds = array.array("i")
        for item in ancdata:
            self.assertIsInstance(item, tuple)
            cmsg_level, cmsg_type, cmsg_data = item
            self.assertEqual(cmsg_level, socket.SOL_SOCKET)
            self.assertEqual(cmsg_type, socket.SCM_RIGHTS)
            self.assertIsInstance(cmsg_data, bytes)
            self.assertEqual(len(cmsg_data) % SIZEOF_INT, 0)
            fds.frombytes(cmsg_data)

        self.assertEqual(len(fds), numfds)
        self.checkFDs(fds) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def _testFDPassSimple(self):
        self.assertEqual(
            self.sendmsgToServer(
                [MSG],
                [(socket.SOL_SOCKET,
                  socket.SCM_RIGHTS,
                  array.array("i", self.newFDs(1)).tobytes())]),
            len(MSG)) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def _testFDPassSeparate(self):
        fd0, fd1 = self.newFDs(2)
        self.assertEqual(
            self.sendmsgToServer([MSG], [(socket.SOL_SOCKET,
                                          socket.SCM_RIGHTS,
                                          array.array("i", [fd0])),
                                         (socket.SOL_SOCKET,
                                          socket.SCM_RIGHTS,
                                          array.array("i", [fd1]))]),
            len(MSG)) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def _testFDPassEmpty(self):
        self.sendAncillaryIfPossible(MSG, [(socket.SOL_SOCKET,
                                            socket.SCM_RIGHTS,
                                            b"")]) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def testFDPassPartialInt(self):
        # Try to pass a truncated FD array.
        msg, ancdata, flags, addr = self.doRecvmsg(self.serv_sock,
                                                   len(MSG), 10240)
        self.assertEqual(msg, MSG)
        self.checkRecvmsgAddress(addr, self.cli_addr)
        self.checkFlags(flags, eor=True, ignore=socket.MSG_CTRUNC)
        self.assertLessEqual(len(ancdata), 1)
        for cmsg_level, cmsg_type, cmsg_data in ancdata:
            self.assertEqual(cmsg_level, socket.SOL_SOCKET)
            self.assertEqual(cmsg_type, socket.SCM_RIGHTS)
            self.assertLess(len(cmsg_data), SIZEOF_INT) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def _testFDPassPartialInt(self):
        self.sendAncillaryIfPossible(
            MSG,
            [(socket.SOL_SOCKET,
              socket.SCM_RIGHTS,
              array.array("i", [self.badfd]).tobytes()[:-1])]) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def _testFDPassPartialIntInMiddle(self):
        fd0, fd1 = self.newFDs(2)
        self.sendAncillaryIfPossible(
            MSG,
            [(socket.SOL_SOCKET,
              socket.SCM_RIGHTS,
              array.array("i", [fd0, self.badfd]).tobytes()[:-1]),
             (socket.SOL_SOCKET,
              socket.SCM_RIGHTS,
              array.array("i", [fd1]))]) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def sendfds(sock, fds):
        '''Send an array of fds over an AF_UNIX socket.'''
        fds = array.array('i', fds)
        msg = bytes([len(fds) % 256])
        sock.sendmsg([msg], [(socket.SOL_SOCKET, socket.SCM_RIGHTS, fds)])
        if ACKNOWLEDGE and sock.recv(1) != b'A':
            raise RuntimeError('did not receive acknowledgement of fd') 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def DupFd(fd):
        '''Return a wrapper for an fd.'''
        popen_obj = context.get_spawning_popen()
        if popen_obj is not None:
            return popen_obj.DupFd(popen_obj.duplicate_for_child(fd))
        elif HAVE_SEND_HANDLE:
            from . import resource_sharer
            return resource_sharer.DupFd(fd)
        else:
            raise ValueError('SCM_RIGHTS appears not to be available')

#
# Try making some callable types picklable
# 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import SCM_RIGHTS [as 别名]
def recvfds(sock, size):
        '''Receive an array of fds over an AF_UNIX socket.'''
        a = array.array('i')
        bytes_size = a.itemsize * size
        msg, ancdata, flags, addr = sock.recvmsg(1, socket.CMSG_SPACE(bytes_size))
        if not msg and not ancdata:
            raise EOFError
        try:
            if ACKNOWLEDGE:
                sock.send(b'A')
            if len(ancdata) != 1:
                raise RuntimeError('received %d items of ancdata' %
                                   len(ancdata))
            cmsg_level, cmsg_type, cmsg_data = ancdata[0]
            if (cmsg_level == socket.SOL_SOCKET and
                cmsg_type == socket.SCM_RIGHTS):
                if len(cmsg_data) % a.itemsize != 0:
                    raise ValueError
                a.frombytes(cmsg_data)
                if len(a) % 256 != msg[0]:
                    raise AssertionError(
                        "Len is {0:n} but msg[0] is {1!r}".format(
                            len(a), msg[0]))
                return list(a)
        except (ValueError, IndexError):
            pass
        raise RuntimeError('Invalid data received')