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b2ad12eb MP |
1 | # Simple udev rules syntax checker |
2 | # | |
3 | # (C) 2010 Canonical Ltd. | |
4 | # Author: Martin Pitt <martin.pitt@ubuntu.com> | |
5 | # | |
0228a7e5 KS |
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 | |
b2ad12eb | 9 | # (at your option) any later version. |
0228a7e5 KS |
10 | |
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. | |
b2ad12eb | 15 | # |
0228a7e5 KS |
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/>. | |
b2ad12eb MP |
18 | |
19 | import re | |
20 | import sys | |
e8015e6e MP |
21 | import os |
22 | from glob import glob | |
b2ad12eb | 23 | |
e8015e6e MP |
24 | if len(sys.argv) > 1: |
25 | # explicit rule file list | |
26 | rules_files = sys.argv[1:] | |
27 | else: | |
28 | # take them from the build dir | |
29 | root_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) | |
30 | rules_dir = os.path.join(os.environ.get('top_srcdir', root_dir), 'rules') | |
31 | if not os.path.isdir(rules_dir): | |
32 | sys.stderr.write('No rules files given, and %s does not exist, aborting' % rules_dir) | |
33 | sys.exit(2) | |
34 | rules_files = glob(os.path.join(rules_dir, '*.rules')) | |
b2ad12eb MP |
35 | |
36 | no_args_tests = re.compile('(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|RESULT|TEST)\s*(?:=|!)=\s*"([^"]*)"$') | |
37 | args_tests = re.compile('(ATTRS?|ENV|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*"([^"]*)"$') | |
f2b8052f | 38 | no_args_assign = re.compile('(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|PROGRAM|RUN|LABEL|GOTO|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*"([^"]*)"$') |
5488ac8c | 39 | args_assign = re.compile('(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*(=|\+=)\s*"([^"]*)"$') |
b2ad12eb MP |
40 | |
41 | result = 0 | |
42 | buffer = '' | |
e8015e6e | 43 | for path in rules_files: |
b2ad12eb MP |
44 | lineno = 0 |
45 | for line in open(path): | |
46 | lineno += 1 | |
47 | ||
48 | # handle line continuation | |
49 | if line.endswith('\\\n'): | |
50 | buffer += line[:-2] | |
51 | continue | |
52 | else: | |
53 | line = buffer + line | |
54 | buffer = '' | |
55 | ||
56 | # filter out comments and empty lines | |
57 | line = line.strip() | |
58 | if not line or line.startswith('#'): | |
59 | continue | |
60 | ||
61 | for clause in line.split(','): | |
62 | clause = clause.strip() | |
63 | if not (no_args_tests.match(clause) or args_tests.match(clause) or | |
64 | no_args_assign.match(clause) or args_assign.match(clause)): | |
65 | ||
be903bf9 | 66 | print('Invalid line %s:%i: %s' % (path, lineno, line)) |
c6be83c1 MP |
67 | print(' clause: %s' % clause) |
68 | print('') | |
b2ad12eb MP |
69 | result = 1 |
70 | break | |
71 | ||
72 | sys.exit(result) |