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https://github.com/systemd/systemd.git
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64 lines
2.2 KiB
Python
Executable File
64 lines
2.2 KiB
Python
Executable File
#!/usr/bin/python
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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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if len(sys.argv) < 2:
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print >> sys.stderr, 'Usage: %s <rules file> [...]' % sys.argv[0]
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sys.exit(2)
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no_args_tests = re.compile('(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|RESULT|TEST)\s*(?:=|!)=\s*"([^"]*)"$')
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args_tests = re.compile('(ATTRS?|ENV|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*"([^"]*)"$')
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no_args_assign = re.compile('(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|PROGRAM|RUN|LABEL|GOTO|WAIT_FOR|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*"([^"]*)"$')
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args_assign = re.compile('(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*(=|\+=)\s*"([^"]*)"$')
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result = 0
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buffer = ''
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for path in sys.argv[1:]:
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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:', 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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