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rename_viruses
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✨ use stdin

This commit is contained in:
Marc Koch 2022-08-02 14:03:20 +02:00
parent 482ff64189
commit 76768dd143
Signed by: marc
GPG Key ID: 12406554CFB028B9
1 changed files with 72 additions and 61 deletions
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rename_viruses.py
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@ -4,93 +4,104 @@ import os
import sys import sys
import re import re
my_parser = argparse.ArgumentParser(description='Rename all suspicious files found by clamav') # Setup argparse
argparser = argparse.ArgumentParser(description='Rename files identified as dangerous by clamav')
my_parser.add_argument('File', argparser.add_argument('-f',
metavar='file', '--file',
type=str, help='Path to clamav log file',
help='path to clamav log file') type=argparse.FileType('r', encoding='UTF-8'),
default=(None if sys.stdin.isatty() else sys.stdin))
my_parser.add_argument('-s', argparser.add_argument('-s',
'--suffix', '--suffix',
type=str, type=str,
help='suffix to add to the end of the file names', help='Suffix to be appended to the end of the filenames',
default='.VIRUS') default='.VIRUS')
argparser.add_argument('-u',
my_parser.add_argument('-u',
'--undo', '--undo',
action='store_true', action='store_true',
help='undo renaming') help='Undo renaming')
argparser.add_argument('-d',
my_parser.add_argument('--dry-run', '--dry-run',
action='store_true', action='store_true',
help='perform a test run where no file names are actually changed') help='Perform a test run where no file names are actually changed')
def main(): def main():
args = my_parser.parse_args() args = argparser.parse_args()
file = args.File
success_count = 0 success_count = 0
error_count = 0 error_count = 0
warning_count = 0 warning_count = 0
if not os.path.isfile(file): # Print info if no file name is specified or passed via stdin
print(f"The file '{file}' does not exist") if not args.file:
print('Please specify a path for a clamav log file using the -f argument or by piping the output directly into '
'this program.')
sys.exit() sys.exit()
with open(file) as f: # Read input file
lines = f.readlines() with args.file as file:
files_to_rename = [re.split(r":", line.strip())[0] for line in lines if re.search(r"FOUND$", line)] lines = file.readlines()
for file_to_rename in files_to_rename: # Find identified file names and paths
new_name = file_to_rename + args.suffix files_to_rename = [re.split(r":", line.strip())[0] for line in lines if re.search(r"FOUND$", line)]
if not args.undo:
if not os.path.isfile(file_to_rename): for file_to_rename in files_to_rename:
if os.path.isfile(new_name): new_name = file_to_rename + args.suffix
print(f"WARNING: The file {file_to_rename} was already renamed to {new_name}")
warning_count += 1 if not args.undo:
else: # Print warning if file can't be found
print(f"ERROR: Could not rename {file_to_rename}") if not os.path.isfile(file_to_rename):
error_count += 1 if os.path.isfile(new_name):
continue print(f"WARNING: The file {file_to_rename} was already renamed to {new_name}")
warning_count += 1
else: else:
try: print(f"ERROR: Could not rename {file_to_rename}")
if not args.dry_run: error_count += 1
os.rename(file_to_rename, new_name) continue
print(f"SUCCESS: {file_to_rename} -> {new_name}") # Do the renaming
success_count += 1
except Exception as e:
print(f"ERROR: Could not rename {file_to_rename}: {e}")
error_count += 1
else: else:
if not os.path.isfile(new_name): try:
if os.path.isfile(file_to_rename): if not args.dry_run:
print(f"WARNING: The file {file_to_rename} was not yet renamed") os.rename(file_to_rename, new_name)
warning_count += 1 print(f"SUCCESS: {file_to_rename} -> {new_name}")
else: success_count += 1
print(f"ERROR: Could not undo renaming of {new_name}") except Exception as e:
error_count += 1 print(f"ERROR: Could not rename {file_to_rename}: {e}")
continue error_count += 1
else:
try:
if not args.dry_run:
os.rename(new_name, file_to_rename)
print(f"SUCCESS: {new_name} -> {file_to_rename}")
success_count += 1
except Exception as e:
print(f"ERROR: Could not undo renaming of {new_name}: {e}")
error_count += 1
# If the changes are to be undone
else:
# Print warning if file can't be found
if not os.path.isfile(new_name):
if os.path.isfile(file_to_rename):
print(f"WARNING: The file {file_to_rename} was not yet renamed")
warning_count += 1
else:
print(f"ERROR: Could not undo renaming of {new_name}")
error_count += 1
continue
# Undo the renaming
else:
try:
if not args.dry_run:
os.rename(new_name, file_to_rename)
print(f"SUCCESS: {new_name} -> {file_to_rename}")
success_count += 1
except Exception as e:
print(f"ERROR: Could not undo renaming of {new_name}: {e}")
error_count += 1
# Print result
if error_count or warning_count: if error_count or warning_count:
print(f"--------------------------------------------------------------\n" print(f"--------------------------------------------------------------\n"
f"Renaming {'would have' if args.dry_run else ''} finished with " f"Renaming {'would have ' if args.dry_run else ''}finished with "
f"{error_count} error{'s' if error_count > 1 else ''} and " f"{error_count} error{'s' if error_count > 1 else ''} and "
f"{warning_count} warning{'s' if warning_count > 1 else ''}.\n" f"{warning_count} warning{'s' if warning_count > 1 else ''}.\n"
f"{success_count if success_count > 0 else 'No'} files {'would have been ' if args.dry_run else 'were '} " f"{success_count if success_count > 0 else 'No'} files {'would have been' if args.dry_run else 'were'} "
"renamed successfully.") "renamed successfully.")
else: else:
print(f"--------------------------------------------------------------\n" print(f"--------------------------------------------------------------\n"
f"{success_count if success_count > 0 else 'No'} files {'would have been ' if args.dry_run else 'were '}" f"{success_count if success_count > 0 else 'No'} files {'would have been' if args.dry_run else 'were'}"
"renamed successfully.") "renamed successfully.")