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1 | #!/usr/bin/python |
2 | # Simple udev rules syntax checker | |
3 | # | |
4 | # (C) 2010 Canonical Ltd. | |
5 | # Author: Martin Pitt <martin.pitt@ubuntu.com> | |
6 | # | |
7 | # This program is free software; you can redistribute it and/or modify it | |
8 | # under the terms of the GNU General Public License as published by | |
9 | # the Free Software Foundation; either version 2 of the License, or | |
10 | # (at your option) any later version. | |
11 | # | |
12 | # This program is distributed in the hope that it will be useful, but | |
13 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | # General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU General Public License | |
18 | # along with this program; if not, write to the Free Software Foundation, | |
19 | # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
20 | ||
21 | import re | |
22 | import sys | |
23 | ||
24 | if len(sys.argv) < 2: | |
25 | print >> sys.stderr, 'Usage: %s <rules file> [...]' % sys.argv[0] | |
26 | sys.exit(2) | |
27 | ||
28 | no_args_tests = re.compile('(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|RESULT|TEST)\s*(?:=|!)=\s*"([^"]*)"$') | |
29 | args_tests = re.compile('(ATTRS?|ENV|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*"([^"]*)"$') | |
0f52fdee | 30 | no_args_assign = re.compile('(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|PROGRAM|RUN|LABEL|GOTO|WAIT_FOR|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*"([^"]*)"$') |
83cd6b75 | 31 | args_assign = re.compile('(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*=\s*"([^"]*)"$') |
b2ad12eb MP |
32 | |
33 | result = 0 | |
34 | buffer = '' | |
35 | for path in sys.argv[1:]: | |
36 | lineno = 0 | |
37 | for line in open(path): | |
38 | lineno += 1 | |
39 | ||
40 | # handle line continuation | |
41 | if line.endswith('\\\n'): | |
42 | buffer += line[:-2] | |
43 | continue | |
44 | else: | |
45 | line = buffer + line | |
46 | buffer = '' | |
47 | ||
48 | # filter out comments and empty lines | |
49 | line = line.strip() | |
50 | if not line or line.startswith('#'): | |
51 | continue | |
52 | ||
53 | for clause in line.split(','): | |
54 | clause = clause.strip() | |
55 | if not (no_args_tests.match(clause) or args_tests.match(clause) or | |
56 | no_args_assign.match(clause) or args_assign.match(clause)): | |
57 | ||
be903bf9 KS |
58 | print('Invalid line %s:%i: %s' % (path, lineno, line)) |
59 | print(' clause:', clause) | |
60 | print() | |
b2ad12eb MP |
61 | result = 1 |
62 | break | |
63 | ||
64 | sys.exit(result) |