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Gracefully skip missing files in checksum list

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ItsDrike 2021-05-17 16:27:31 +02:00
parent e250df05de
commit 223896af29
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GPG key ID: B5F6B41F708C3ADD
1 changed files with 11 additions and 7 deletions
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18
root/usr/local/bin/tamper-check
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@ -115,12 +115,7 @@ def _get_checksum(file):
proc = subprocess.run(['sha256sum', file], stdout=subprocess.PIPE, stderr=subprocess.STDOUT) proc = subprocess.run(['sha256sum', file], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
proc_stdout = proc.stdout.decode('utf-8') proc_stdout = proc.stdout.decode('utf-8')
if "No such file or directory" in proc_stdout: if "No such file or directory" in proc_stdout:
print( raise FileNotFoundError(f"'{file}' not found, can't produce sha256 checksum")
f'{colorama.Fore.RED}FileNotFound: {colorama.Fore.RESET}'
f"'{colorama.Fore.BLUE}{file}{colorama.Fore.RESET}' not found, can't produce "
"sha256 checksum, check the checksum file and remove this entry"
)
exit(2)
elif "Permission denied" in proc_stdout: elif "Permission denied" in proc_stdout:
raise PermissionError(f"PermissionError: Unable to read file '{file}'") raise PermissionError(f"PermissionError: Unable to read file '{file}'")
return proc_stdout.replace(f' {file}\n', '') return proc_stdout.replace(f' {file}\n', '')
@ -132,7 +127,10 @@ def _command_exists(command):
def ask_update(file_path, checksum_file): def ask_update(file_path, checksum_file):
new_checksum = _get_checksum(file_path) try:
new_checksum = _get_checksum(file_path)
except FileNotFoundError:
return False
file_line = f"'{colorama.Fore.BLUE}{file_path}{colorama.Fore.RESET}'" file_line = f"'{colorama.Fore.BLUE}{file_path}{colorama.Fore.RESET}'"
if AUTO_UPDATE or _yes_no(' - ' + file_line + ' update checksum?'): if AUTO_UPDATE or _yes_no(' - ' + file_line + ' update checksum?'):
@ -148,6 +146,7 @@ def ask_update(file_path, checksum_file):
def run_check(): def run_check():
checksums = _get_checksum_dict(CHECKSUM_FILE) checksums = _get_checksum_dict(CHECKSUM_FILE)
not_matched = [] not_matched = []
for file, checksum in checksums.items(): for file, checksum in checksums.items():
try: try:
@ -157,6 +156,11 @@ def run_check():
f"Checksum of '{colorama.Fore.BLUE}{file}{colorama.Fore.RESET}': " f"Checksum of '{colorama.Fore.BLUE}{file}{colorama.Fore.RESET}': "
f'{colorama.Fore.YELLOW}SKIPPED [PermissionError - no read perms]') f'{colorama.Fore.YELLOW}SKIPPED [PermissionError - no read perms]')
continue continue
except FileNotFoundError:
print(
f"Checksum of '{colorama.Fore.BLUE}{file}{colorama.Fore.RESET}': "
f'{colorama.Fore.YELLOW}SKIPPED [FileNotFound - fix checksum file]')
continue
if sha256_sum != checksum: if sha256_sum != checksum:
not_matched.append(file) not_matched.append(file)