Python socket.SCM_RIGHTS Examples
The following are 30
code examples of socket.SCM_RIGHTS().
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Example #1
Source File: reduction.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 6 votes |
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')
Example #2
Source File: test_socket.py From ironpython3 with Apache License 2.0 | 6 votes |
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)
Example #3
Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 6 votes |
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)
Example #4
Source File: reduction.py From ironpython3 with Apache License 2.0 | 6 votes |
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')
Example #5
Source File: test_socket.py From Fluid-Designer with GNU General Public License v3.0 | 6 votes |
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)
Example #6
Source File: reduction.py From Fluid-Designer with GNU General Public License v3.0 | 6 votes |
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')
Example #7
Source File: test_socket.py From ironpython3 with Apache License 2.0 | 5 votes |
def _testFDPassPartialInt(self): self.sendAncillaryIfPossible( MSG, [(socket.SOL_SOCKET, socket.SCM_RIGHTS, array.array("i", [self.badfd]).tobytes()[:-1])])
Example #8
Source File: test_socket.py From ironpython3 with Apache License 2.0 | 5 votes |
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)
Example #9
Source File: test_socket.py From ironpython3 with Apache License 2.0 | 5 votes |
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]))])
Example #10
Source File: reduction.py From ironpython3 with Apache License 2.0 | 5 votes |
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')
Example #11
Source File: reduction.py From ironpython3 with Apache License 2.0 | 5 votes |
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 #
Example #12
Source File: jsoncomm.py From osbuild with Apache License 2.0 | 5 votes |
def send(self, payload: object, *, destination: Optional[str] = None, fds: Optional[list] = None): """Send Message Send a new message via this socket. This operation is synchronous. The maximum message size depends on the configured send-buffer on the socket. An `OSError` with `EMSGSIZE` is raised when it is exceeded. Parameters ---------- payload A python object to serialize as JSON and send via this socket. See `json.dump()` for details about the serialization involved. destination The destination to send to. If `None`, the default destination is used (if none is set, this will raise an `OSError`). fds A list of file-descriptors to send with the message. Raises ------ OSError If the socket cannot be written, a matching `OSError` is raised. TypeError If the payload cannot be serialized, a type error is raised. """ serialized = json.dumps(payload).encode() cmsg = [] if fds: cmsg.append((socket.SOL_SOCKET, socket.SCM_RIGHTS, array.array("i", fds))) n = self._socket.sendmsg([serialized], cmsg, 0, destination) assert n == len(serialized)
Example #13
Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
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)
Example #14
Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
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))
Example #15
Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
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)
Example #16
Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
def _testFDPassSimple(self): self.assertEqual( self.sendmsgToServer( [MSG], [(socket.SOL_SOCKET, socket.SCM_RIGHTS, array.array("i", self.newFDs(1)).tobytes())]), len(MSG))
Example #17
Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
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))
Example #18
Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
def _testFDPassEmpty(self): self.sendAncillaryIfPossible(MSG, [(socket.SOL_SOCKET, socket.SCM_RIGHTS, b"")])
Example #19
Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
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)
Example #20
Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
def _testFDPassPartialInt(self): self.sendAncillaryIfPossible( MSG, [(socket.SOL_SOCKET, socket.SCM_RIGHTS, array.array("i", [self.badfd]).tobytes()[:-1])])
Example #21
Source File: test_socket.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
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]))])
Example #22
Source File: reduction.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
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')
Example #23
Source File: reduction.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
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 #
Example #24
Source File: reduction.py From Imogen with MIT License | 5 votes |
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')
Example #25
Source File: test_socket.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
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))
Example #26
Source File: test_socket.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
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)
Example #27
Source File: test_socket.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
def _testFDPassSimple(self): self.assertEqual( self.sendmsgToServer( [MSG], [(socket.SOL_SOCKET, socket.SCM_RIGHTS, array.array("i", self.newFDs(1)).tobytes())]), len(MSG))
Example #28
Source File: test_socket.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
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))
Example #29
Source File: test_socket.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
def _testFDPassEmpty(self): self.sendAncillaryIfPossible(MSG, [(socket.SOL_SOCKET, socket.SCM_RIGHTS, b"")])
Example #30
Source File: test_socket.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
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)