mirror of
https://github.com/systemd/systemd.git
synced 2024-12-01 06:13:38 +08:00
f2b8052fb6
This facility was never a proper solution, but only papered over real bugs in the kernel. There are no known sysfs "timing bugs" since a long time.
73 lines
2.6 KiB
Python
73 lines
2.6 KiB
Python
# Simple udev rules syntax checker
|
|
#
|
|
# (C) 2010 Canonical Ltd.
|
|
# Author: Martin Pitt <martin.pitt@ubuntu.com>
|
|
#
|
|
# systemd is free software; you can redistribute it and/or modify it
|
|
# under the terms of the GNU Lesser General Public License as published by
|
|
# the Free Software Foundation; either version 2.1 of the License, or
|
|
# (at your option) any later version.
|
|
|
|
# systemd is distributed in the hope that it will be useful, but
|
|
# WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import re
|
|
import sys
|
|
import os
|
|
from glob import glob
|
|
|
|
if len(sys.argv) > 1:
|
|
# explicit rule file list
|
|
rules_files = sys.argv[1:]
|
|
else:
|
|
# take them from the build dir
|
|
root_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
|
|
rules_dir = os.path.join(os.environ.get('top_srcdir', root_dir), 'rules')
|
|
if not os.path.isdir(rules_dir):
|
|
sys.stderr.write('No rules files given, and %s does not exist, aborting' % rules_dir)
|
|
sys.exit(2)
|
|
rules_files = glob(os.path.join(rules_dir, '*.rules'))
|
|
|
|
no_args_tests = re.compile('(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|RESULT|TEST)\s*(?:=|!)=\s*"([^"]*)"$')
|
|
args_tests = re.compile('(ATTRS?|ENV|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*"([^"]*)"$')
|
|
no_args_assign = re.compile('(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|PROGRAM|RUN|LABEL|GOTO|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*"([^"]*)"$')
|
|
args_assign = re.compile('(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*(=|\+=)\s*"([^"]*)"$')
|
|
|
|
result = 0
|
|
buffer = ''
|
|
for path in rules_files:
|
|
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
|
|
|
|
for clause in line.split(','):
|
|
clause = clause.strip()
|
|
if not (no_args_tests.match(clause) or args_tests.match(clause) or
|
|
no_args_assign.match(clause) or args_assign.match(clause)):
|
|
|
|
print('Invalid line %s:%i: %s' % (path, lineno, line))
|
|
print(' clause: %s' % clause)
|
|
print('')
|
|
result = 1
|
|
break
|
|
|
|
sys.exit(result)
|