mirror of
https://github.com/systemd/systemd.git
synced 2024-12-23 21:35:11 +03:00
66 lines
2.4 KiB
Python
Executable File
66 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# SPDX-License-Identifier: LGPL-2.1+
|
|
#
|
|
# Simple udev rules syntax checker
|
|
#
|
|
# © 2010 Canonical Ltd.
|
|
# Author: Martin Pitt <martin.pitt@ubuntu.com>
|
|
|
|
import re
|
|
import sys
|
|
import os
|
|
from glob import glob
|
|
|
|
rules_files = sys.argv[1:]
|
|
if not rules_files:
|
|
sys.exit('Specify files to test as arguments')
|
|
|
|
quoted_string_re = r'"(?:[^\\"]|\\.)*"'
|
|
no_args_tests = re.compile(r'(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|PROGRAM|RESULT|TEST)\s*(?:=|!)=\s*' + quoted_string_re + '$')
|
|
# PROGRAM can also be specified as an assignment.
|
|
program_assign = re.compile(r'PROGRAM\s*=\s*' + quoted_string_re + '$')
|
|
args_tests = re.compile(r'(ATTRS?|ENV|CONST|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*' + quoted_string_re + '$')
|
|
no_args_assign = re.compile(r'(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|RUN|LABEL|GOTO|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*' + quoted_string_re + '$')
|
|
args_assign = re.compile(r'(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*(=|\+=)\s*' + quoted_string_re + '$')
|
|
# Find comma-separated groups, but allow commas that are inside quoted strings.
|
|
# Using quoted_string_re + '?' so that strings missing the last double quote
|
|
# will still match for this part that splits on commas.
|
|
comma_separated_group_re = re.compile(r'(?:[^,"]|' + quoted_string_re + '?)+')
|
|
|
|
result = 0
|
|
buffer = ''
|
|
for path in rules_files:
|
|
print('# looking at {}'.format(path))
|
|
lineno = 0
|
|
for line in open(path):
|
|
lineno += 1
|
|
|
|
# handle line continuation
|
|
if line.endswith('\\\n'):
|
|
buffer += line[:-2]
|
|
continue
|
|
else:
|
|
line = buffer + line
|
|
buffer = ''
|
|
|
|
# filter out comments and empty lines
|
|
line = line.strip()
|
|
if not line or line.startswith('#'):
|
|
continue
|
|
|
|
# Separator ',' is normally optional but we make it mandatory here as
|
|
# it generally improves the readability of the rules.
|
|
for clause_match in comma_separated_group_re.finditer(line):
|
|
clause = clause_match.group().strip()
|
|
if not (no_args_tests.match(clause) or args_tests.match(clause) or
|
|
no_args_assign.match(clause) or args_assign.match(clause) or
|
|
program_assign.match(clause)):
|
|
|
|
print('Invalid line {}:{}: {}'.format(path, lineno, line))
|
|
print(' clause:', clause)
|
|
print()
|
|
result = 1
|
|
break
|
|
|
|
sys.exit(result)
|