1 files changed, 72 insertions, 0 deletions
diff --git a/test/rule-syntax-check.py b/test/rule-syntax-check.py
new file mode 100644
index 0000000000..e43a3daeb3
--- /dev/null
+++ b/test/rule-syntax-check.py
@@ -0,0 +1,72 @@
+# Simple udev rules syntax checker
+#
+# (C) 2010 Canonical Ltd.
+# Author: Martin Pitt <martin.pitt@ubuntu.com>
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+
+# systemd is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+import re
+import sys
+import os
+from glob import glob
+
+if len(sys.argv) > 1:
+    # explicit rule file list
+    rules_files = sys.argv[1:]
+else:
+    # take them from the build dir
+    root_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+    rules_dir = os.path.join(os.environ.get('top_srcdir', root_dir), 'rules')
+    if not os.path.isdir(rules_dir):
+        sys.stderr.write('No rules files given, and %s does not exist, aborting' % rules_dir)
+        sys.exit(2)
+    rules_files = glob(os.path.join(rules_dir, '*.rules'))
+
+no_args_tests = re.compile('(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|RESULT|TEST)\s*(?:=|!)=\s*"([^"]*)"$')
+args_tests = re.compile('(ATTRS?|ENV|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*"([^"]*)"$')
+no_args_assign = re.compile('(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|PROGRAM|RUN|LABEL|GOTO|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*"([^"]*)"$')
+args_assign = re.compile('(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*(=|\+=)\s*"([^"]*)"$')
+
+result = 0
+buffer = ''
+for path in rules_files:
+    lineno = 0
+    for line in open(path):
+        lineno += 1
+
+        # handle line continuation
+        if line.endswith('\\\n'):
+            buffer += line[:-2]
+            continue
+        else:
+            line = buffer + line
+            buffer = ''
+
+        # filter out comments and empty lines
+        line = line.strip()
+        if not line or line.startswith('#'):
+            continue
+
+        for clause in line.split(','):
+            clause = clause.strip()
+            if not (no_args_tests.match(clause) or args_tests.match(clause) or
+                    no_args_assign.match(clause) or args_assign.match(clause)):
+
+                print('Invalid line %s:%i: %s' % (path, lineno, line))
+                print('  clause: %s' % clause)
+                print('')
+                result = 1
+                break
+
+sys.exit(result)