ghidra/Ghidra/Features/BSim/ghidra_scripts/DumpBSimSignaturesScript.py

64 lines
2.6 KiB
Python
Executable file

## ###
# IP: GHIDRA
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
# Generate the BSim signature for the function at the current address, then dump the
# signature hashes to the console
# @category: BSim.python
# @runtime Jython
import ghidra.app.decompiler.DecompInterface as DecompInterface
import ghidra.app.decompiler.DecompileOptions as DecompileOptions
import generic.lsh.vector.WeightedLSHCosineVectorFactory as WeightedLSHCosineVectorFactory
import ghidra.features.bsim.query.GenSignatures as GenSignatures
import ghidra.xml.NonThreadedXmlPullParserImpl as NonThreadedXmlPullParserImpl
import ghidra.util.xml.SpecXmlUtils as SpecXmlUtils
def processFunction(func):
decompiler = ghidra.app.decompiler.DecompInterface()
try:
options = ghidra.app.decompiler.DecompileOptions()
decompiler.setOptions(options)
decompiler.toggleSyntaxTree(False)
decompiler.setSignatureSettings(getSettings())
if not decompiler.openProgram(currentProgram):
print "Unable to initialize the Decompiler interface!"
print "%s" % decompiler.getLastMessage()
return
sigres = decompiler.generateSignatures(func, False, 10, None)
buf = java.lang.StringBuffer()
for i,res in enumerate(sigres.features):
buf.append(java.lang.Integer.toHexString(sigres.features[i]))
buf.append("\n")
print buf.toString()
finally:
decompiler.closeProgram()
decompiler.dispose()
def getSettings():
vectorFactory = WeightedLSHCosineVectorFactory()
id = currentProgram.getLanguageID()
defaultWeightsFile = GenSignatures.getWeightsFile(id,id)
input = defaultWeightsFile.getInputStream()
parser = NonThreadedXmlPullParserImpl(input,"Vector weights parser", SpecXmlUtils.getXmlHandler(),False)
vectorFactory.readWeights(parser)
input.close()
return vectorFactory.getSettings()
func = currentProgram.getFunctionManager().getFunctionContaining(currentAddress)
if func is None:
print "no function at current address"
else:
processFunction(func)