1 # Simple udev rules syntax checker
3 # (C) 2010 Canonical Ltd.
4 # Author: Martin Pitt <martin.pitt@ubuntu.com>
6 # systemd is free software; you can redistribute it and/or modify it
7 # under the terms of the GNU Lesser General Public License as published by
8 # the Free Software Foundation; either version 2.1 of the License, or
9 # (at your option) any later version.
11 # systemd is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # Lesser General Public License for more details.
16 # You should have received a copy of the GNU Lesser General Public License
17 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 sys.stderr.write('Usage: %s <rules file> [...]\n' % sys.argv[0])
26 no_args_tests = re.compile('(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|RESULT|TEST)\s*(?:=|!)=\s*"([^"]*)"$')
27 args_tests = re.compile('(ATTRS?|ENV|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*"([^"]*)"$')
28 no_args_assign = re.compile('(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|PROGRAM|RUN|LABEL|GOTO|WAIT_FOR|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*"([^"]*)"$')
29 args_assign = re.compile('(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*(=|\+=)\s*"([^"]*)"$')
33 for path in sys.argv[1:]:
35 for line in open(path):
38 # handle line continuation
39 if line.endswith('\\\n'):
46 # filter out comments and empty lines
48 if not line or line.startswith('#'):
51 for clause in line.split(','):
52 clause = clause.strip()
53 if not (no_args_tests.match(clause) or args_tests.match(clause) or
54 no_args_assign.match(clause) or args_assign.match(clause)):
56 print('Invalid line %s:%i: %s' % (path, lineno, line))
57 print(' clause: %s' % clause)