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Merge pull request #341 from Unrud/patch-4

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Prevent "regex injection"
This commit is contained in:
Guillaume Ayoub 2015-12-23 12:09:00 +01:00
commit 1109973a92
1 changed files with 4 additions and 1 deletions
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5
radicale/rights/regex.py
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@ -65,7 +65,10 @@ def _read_from_sections(user, collection_url, permission):
"""Get regex sections."""
filename = os.path.expanduser(config.get("rights", "file"))
rights_type = config.get("rights", "type").lower()
regex = ConfigParser({"login": user, "path": collection_url})
# Prevent "regex injection"
user_escaped = re.escape(user)
collection_url_escaped = re.escape(collection_url)
regex = ConfigParser({"login": user_escaped, "path": collection_url_escaped})
if rights_type in DEFINED_RIGHTS:
log.LOGGER.debug("Rights type '%s'" % rights_type)
regex.readfp(StringIO(DEFINED_RIGHTS[rights_type]))