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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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53
rename_viruses.py
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@ -4,47 +4,52 @@ 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:
lines = file.readlines()
# Find identified file names and paths
files_to_rename = [re.split(r":", line.strip())[0] for line in lines if re.search(r"FOUND$", line)] files_to_rename = [re.split(r":", line.strip())[0] for line in lines if re.search(r"FOUND$", line)]
for file_to_rename in files_to_rename: for file_to_rename in files_to_rename:
new_name = file_to_rename + args.suffix new_name = file_to_rename + args.suffix
if not args.undo: if not args.undo:
# Print warning if file can't be found
if not os.path.isfile(file_to_rename): if not os.path.isfile(file_to_rename):
if os.path.isfile(new_name): if os.path.isfile(new_name):
print(f"WARNING: The file {file_to_rename} was already renamed to {new_name}") print(f"WARNING: The file {file_to_rename} was already renamed to {new_name}")
@ -53,6 +58,7 @@ def main():
print(f"ERROR: Could not rename {file_to_rename}") print(f"ERROR: Could not rename {file_to_rename}")
error_count += 1 error_count += 1
continue continue
# Do the renaming
else: else:
try: try:
if not args.dry_run: if not args.dry_run:
@ -62,7 +68,10 @@ def main():
except Exception as e: except Exception as e:
print(f"ERROR: Could not rename {file_to_rename}: {e}") print(f"ERROR: Could not rename {file_to_rename}: {e}")
error_count += 1 error_count += 1
# If the changes are to be undone
else: else:
# Print warning if file can't be found
if not os.path.isfile(new_name): if not os.path.isfile(new_name):
if os.path.isfile(file_to_rename): if os.path.isfile(file_to_rename):
print(f"WARNING: The file {file_to_rename} was not yet renamed") print(f"WARNING: The file {file_to_rename} was not yet renamed")
@ -71,6 +80,7 @@ def main():
print(f"ERROR: Could not undo renaming of {new_name}") print(f"ERROR: Could not undo renaming of {new_name}")
error_count += 1 error_count += 1
continue continue
# Undo the renaming
else: else:
try: try:
if not args.dry_run: if not args.dry_run:
@ -81,6 +91,7 @@ def main():
print(f"ERROR: Could not undo renaming of {new_name}: {e}") print(f"ERROR: Could not undo renaming of {new_name}: {e}")
error_count += 1 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 "