mirror of
https://github.com/systemd/systemd-stable.git
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cda39975dc
Behaviour is not changed, because "unknown" escapes like \s or \d were not substituted, but it's much nicer to use raw strings to avoid ambiguity.
74 lines
2.6 KiB
Python
Executable File
74 lines
2.6 KiB
Python
Executable File
#!/usr/bin/python3
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# Simple udev rules syntax checker
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#
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# (C) 2010 Canonical Ltd.
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# Author: Martin Pitt <martin.pitt@ubuntu.com>
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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# systemd is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with systemd; If not, see <http://www.gnu.org/licenses/>.
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import re
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import sys
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import os
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from glob import glob
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if len(sys.argv) > 1:
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# explicit rule file list
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rules_files = sys.argv[1:]
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else:
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# take them from the build dir
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root_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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rules_dir = os.path.join(os.environ.get('top_srcdir', root_dir), 'rules')
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if not os.path.isdir(rules_dir):
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sys.stderr.write('No rules files given, and %s does not exist, aborting' % rules_dir)
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sys.exit(2)
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rules_files = glob(os.path.join(rules_dir, '*.rules'))
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no_args_tests = re.compile(r'(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|RESULT|TEST)\s*(?:=|!)=\s*"([^"]*)"$')
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args_tests = re.compile(r'(ATTRS?|ENV|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*"([^"]*)"$')
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no_args_assign = re.compile(r'(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|PROGRAM|RUN|LABEL|GOTO|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*"([^"]*)"$')
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args_assign = re.compile(r'(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*(=|\+=)\s*"([^"]*)"$')
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result = 0
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buffer = ''
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for path in rules_files:
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lineno = 0
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for line in open(path):
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lineno += 1
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# handle line continuation
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if line.endswith('\\\n'):
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buffer += line[:-2]
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continue
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else:
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line = buffer + line
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buffer = ''
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# filter out comments and empty lines
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line = line.strip()
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if not line or line.startswith('#'):
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continue
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for clause in line.split(','):
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clause = clause.strip()
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if not (no_args_tests.match(clause) or args_tests.match(clause) or
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no_args_assign.match(clause) or args_assign.match(clause)):
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print('Invalid line %s:%i: %s' % (path, lineno, line))
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print(' clause: %s' % clause)
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print('')
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result = 1
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break
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sys.exit(result)
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