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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 | # | |
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7 | # systemd is free software; you can redistribute it and/or modify it |
8 | # under the terms of the GNU Lesser General Public License as published by | |
9 | # the Free Software Foundation; either version 2.1 of the License, or | |
b2ad12eb | 10 | # (at your option) any later version. |
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11 | |
12 | # systemd 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 | # Lesser General Public License for more details. | |
b2ad12eb | 16 | # |
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17 | # You should have received a copy of the GNU Lesser General Public License |
18 | # along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
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19 | |
20 | import re | |
21 | import sys | |
22 | ||
23 | if len(sys.argv) < 2: | |
24 | print >> sys.stderr, 'Usage: %s <rules file> [...]' % sys.argv[0] | |
25 | sys.exit(2) | |
26 | ||
27 | no_args_tests = re.compile('(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|RESULT|TEST)\s*(?:=|!)=\s*"([^"]*)"$') | |
28 | args_tests = re.compile('(ATTRS?|ENV|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*"([^"]*)"$') | |
0f52fdee | 29 | no_args_assign = re.compile('(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|PROGRAM|RUN|LABEL|GOTO|WAIT_FOR|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*"([^"]*)"$') |
5488ac8c | 30 | args_assign = re.compile('(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*(=|\+=)\s*"([^"]*)"$') |
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31 | |
32 | result = 0 | |
33 | buffer = '' | |
34 | for path in sys.argv[1:]: | |
35 | lineno = 0 | |
36 | for line in open(path): | |
37 | lineno += 1 | |
38 | ||
39 | # handle line continuation | |
40 | if line.endswith('\\\n'): | |
41 | buffer += line[:-2] | |
42 | continue | |
43 | else: | |
44 | line = buffer + line | |
45 | buffer = '' | |
46 | ||
47 | # filter out comments and empty lines | |
48 | line = line.strip() | |
49 | if not line or line.startswith('#'): | |
50 | continue | |
51 | ||
52 | for clause in line.split(','): | |
53 | clause = clause.strip() | |
54 | if not (no_args_tests.match(clause) or args_tests.match(clause) or | |
55 | no_args_assign.match(clause) or args_assign.match(clause)): | |
56 | ||
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57 | print('Invalid line %s:%i: %s' % (path, lineno, line)) |
58 | print(' clause:', clause) | |
59 | print() | |
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60 | result = 1 |
61 | break | |
62 | ||
63 | sys.exit(result) |