Added script for dumping C callbacks #7
1 changed files with 58 additions and 0 deletions
58
tools/ghidra_scripts/callbacks_to_md.py
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58
tools/ghidra_scripts/callbacks_to_md.py
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from ghidra.app.decompiler import DecompileOptions
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from ghidra.app.decompiler import DecompInterface
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from ghidra.util.task import ConsoleTaskMonitor
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TARGET_FUNC = "add_callback"
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def xref_params(target_func):
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target_addr = 0
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callers = []
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funcs = getGlobalFunctions(target_func)
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for func in funcs:
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if func.getName() == target_func:
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target_addr = func.getEntryPoint()
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references = getReferencesTo(target_addr)
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for xref in references:
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call_addr = xref.getFromAddress()
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caller = getFunctionContaining(call_addr)
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callers.append(caller)
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break
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callers = list(set(callers))
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options = DecompileOptions()
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monitor = ConsoleTaskMonitor()
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ifc = DecompInterface()
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ifc.setOptions(options)
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ifc.openProgram(currentProgram)
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with open("callbacks.md", "w") as file:
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res = "|Callback setup address|Callback name|Callback funcion|Callback address|"
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print(res)
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file.write(res + "\n")
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res = "|-----|----|----|--------|"
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print(res)
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file.write(res + "\n")
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for caller in callers:
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callback_setup_addr = caller.getEntryPoint()
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res = ifc.decompileFunction(caller, 60, monitor)
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code = str(res.getDecompiledFunction().getC())
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code = code.split(target_func)[1]
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code = code.split(';')[0]
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code = code.strip()
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code = code.split(',')
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callback_name = code[1].strip()
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callback_func = code[2].strip()[:-1].strip().replace('_', '.')
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res = ifc.decompileFunction(caller, 60, monitor)
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hf = res.getHighFunction()
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opiter = hf.getPcodeOps()
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callback_addr = "not found"
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while opiter.hasNext():
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op = opiter.next()
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mnemonic = op.getMnemonic()
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if mnemonic == "CALL":
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core_func = op.getInput(3)
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callback_addr = toAddr(core_func.getDef().getInput(1).getOffset())
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res = "|`{}`|{}|`{}`|`{}`|".format(callback_setup_addr, callback_name, callback_func, callback_addr)
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print(res)
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file.write(res + "\n")
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xref_params(TARGET_FUNC)
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