def DeleteFile(self, responses):
"""Checks for errors from DeleteGRRTempFiles called from 'Done' state."""
if not responses.success:
raise flow.FlowError(
"Removing local file %s failed: %s" %
(self.state.memory_src_path, responses.status))
def End(self, responses):
if not responses.success:
raise flow.FlowError("Delete of %s failed %s" %
(self.state.dest_path, responses.status))
self.Notify("ViewObject", self.state.downloaded_file,
"Memory image transferred successfully")
def Start(self):
if self.args.report_name not in reports.Report.classes:
raise flow.FlowError("No such report %s" % self.args.report_name)
else:
self.CallState(next_state="RunReport")
def End(self):
if self.state.plugin_errors:
all_errors = u"\n".join(
[unicode(e) for e in self.state.plugin_errors])
raise flow.FlowError("Error running plugins: %s" % all_errors)
def Done(self, responses):
if not responses.success:
raise flow.FlowError(str(responses.status))
for response in responses:
self.Log(response.data)
def Confirmation(self, responses):
"""Confirmation."""
if not responses.success:
raise flow.FlowError("Failed to write config. Err: {0}".format(
responses.status))
def SendMessage(self, responses):
if not responses.success:
self.Log(responses.status.error_message)
raise flow.FlowError(responses.status.error_message)
self.CallClient("Echo", data="Wake up!", next_state="Sleep")
def ReadBuffer(self, responses):
"""Read the buffer and write to the file."""
# Did it work?
if not responses.success:
raise IOError("Error running ReadBuffer: %s" % responses.status)
# Postpone creating the AFF4 object until we get at least one successful
# buffer back.
response = responses.First()
# Initial packet
if response.offset == 0:
# Force creation of the new AFF4 object
self.state.urn = aff4.AFF4Object.VFSGRRClient.PathspecToURN(
self.state.args.pathspec, self.client_id)
self.state.Register("file_size", self.state.stat.st_size)
# Create the output file.
fd = aff4.FACTORY.Create(self.state.urn,
"VFSFile",
mode="w",
token=self.token)
fd.SetChunksize(self.state.args.aff4_chunk_size)
hash_value = fd.Schema.HASH()
hash_value.sha256 = self.state.file_hash
fd.Set(hash_value)
fd.Set(fd.Schema.STAT(self.state.stat))
self.state.Register("fd", fd)
# Now we know how large the file is we can fill the window
self.FetchWindow()
if not response:
raise IOError("Missing response to ReadBuffer: %s" %
responses.status)
# We need to be synced to the file size.
if self.state.fd.size != response.offset:
raise flow.FlowError("File transfer out of sync.")
self.state.fd.Write(response.data)
# If the file is done, we dont hang around
if self.state.fd.Tell() >= self.state.file_size:
self.Terminate()
offset_to_read = self.state.current_chunk_number * self.CHUNK_SIZE
bytes_needed_to_read = (
self.state.file_size -
self.CHUNK_SIZE * self.state.current_chunk_number)
# Dont read past the end of file
if offset_to_read < self.state.file_size:
self.CallClient("ReadBuffer",
pathspec=self.state.args.pathspec,
offset=offset_to_read,
length=min(bytes_needed_to_read, self.CHUNK_SIZE),
next_state="ReadBuffer")
self.state.current_chunk_number += 1
def State1(self, responses):
if not responses.success:
raise flow.FlowError(responses.status)
self.CallClient("BusyHang", integer=5, next_state="Done")
def TemporaryImageRemoved(self, responses):
"""Verify that the temporary image has been removed successfully."""
if not responses.success:
raise flow.FlowError("Unable to delete the temporary flash image: "
"{0}".format(responses.status))
def Done(self, responses):
if not responses.success:
raise flow.FlowError(responses.status)
def CheckAnalyzeClientMemory(self, responses):
if not responses.success:
raise flow.FlowError("Unable to image memory: %s." % responses.status)
self.Log("Memory imaged successfully.")
self.Status("Memory imaged successfully")
def MultiGetFile(self, responses):
if not responses.success:
raise flow.FlowError(responses.status)
self.state.Register("dest_path", responses.First().dest_path)
self.CallFlow("MultiGetFile", pathspecs=[self.state.dest_path],
next_state="Done")
def LogDeleteFiles(self, responses):
# Check that the DeleteFiles flow worked.
if not responses.success:
raise flow.FlowError("Could not delete file: %s" %
responses.status)
def Done(self, responses):
if not responses.success:
self.Log(responses.status.error_message)
raise flow.FlowError(responses.status.error_message)
def End(self):
if not self.state.success:
raise flow.FlowError("Failed to uninstall memory driver.")
def Done(self, responses):
if not responses.success:
raise flow.FlowError("Registry search failed %s" % responses.status)
for response in responses:
self.SendReply(response)
