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Ensure we delete the temorary file even if things go wrong.

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Mike Auty
2019-04-23 22:43:16 +01:00
parent 60144c44d3
commit 7c16c403d5
1 changed files with 11 additions and 8 deletions
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volatility/framework/automagic/pdbscan.py
+11 -8
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@@ -212,15 +212,18 @@ class KernelPDBScanner(interfaces.automagic.AutomagicInterface):
import json, lzma
filename = pdb_isf.PDBRetreiver().retreive_pdb(
guid = kernel['GUID'] + str(kernel['age']), file_name = kernel['pdb_name'])
json_output = pdb_isf.PDBConvertor(filename).read_pdb()
output_file = os.path.join(symbols.__path__[0], "windows", filter_string + ".json.xz")
try:
json_output = pdb_isf.PDBConvertor(filename).read_pdb()
output_file = os.path.join(symbols.__path__[0], "windows", filter_string + ".json.xz")
# Write the JSON file to disk
os.makedirs(os.path.dirname(output_file), exist_ok = True)
with lzma.open(output_file, "w") as f:
f.write(bytes(json.dumps(json_output, indent = 2, sort_keys = True), 'utf-8'))
# Clean up after ourselves
os.remove(filename)
# Write the JSON file to disk
os.makedirs(os.path.dirname(output_file), exist_ok = True)
# FIXME: If the directory is unwritable we should ideally write this to the cache location
with lzma.open(output_file, "w") as f:
f.write(bytes(json.dumps(json_output, indent = 2, sort_keys = True), 'utf-8'))
finally:
# Clean up after ourselves
os.remove(filename)
# Try again
for value in intermed.IntermediateSymbolTable.file_symbol_url("windows", filter_string):