From 11e7477f67d5af0cd40d435520c31812af56f7c8 Mon Sep 17 00:00:00 2001 From: Zac Medico Date: Sat, 9 Aug 2008 10:05:23 +0000 Subject: Escape use flags before compiling regular expressions from them. Thanks to pchrist for reporting. svn path=/main/trunk/; revision=11364 --- pym/_emerge/__init__.py | 8 ++++++-- pym/portage/__init__.py | 8 ++++++-- 2 files changed, 12 insertions(+), 4 deletions(-) (limited to 'pym') diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py index 4ce2af793..9389b8391 100644 --- a/pym/_emerge/__init__.py +++ b/pym/_emerge/__init__.py @@ -1465,8 +1465,12 @@ class Package(Task): except AttributeError: all = object.__getattribute__(self, "all") iuse_implicit = object.__getattribute__(self, "iuse_implicit") - self.regex = re.compile("^(%s)$" % "|".join( - chain((re.escape(x) for x in all), iuse_implicit))) + # Escape anything except ".*" which is supposed + # to pass through from _get_implicit_iuse() + regex = (re.escape(x) for x in chain(all, iuse_implicit)) + regex = "^(%s)$" % "|".join(regex) + regex = regex.replace("\\.\\*", ".*") + self.regex = re.compile(regex) return object.__getattribute__(self, name) def _get_hash_key(self): diff --git a/pym/portage/__init__.py b/pym/portage/__init__.py index 15766f9a0..72deec23c 100644 --- a/pym/portage/__init__.py +++ b/pym/portage/__init__.py @@ -2072,8 +2072,12 @@ class config(object): iuse_implicit = self._get_implicit_iuse() iuse_implicit.update(x.lstrip("+-") for x in iuse.split()) - self.configdict["pkg"]["PORTAGE_IUSE"] = \ - "^(%s)$" % "|".join(sorted(iuse_implicit)) + # Escape anything except ".*" which is supposed + # to pass through from _get_implicit_iuse() + regex = sorted(re.escape(x) for x in iuse_implicit) + regex = "^(%s)$" % "|".join(regex) + regex = regex.replace("\\.\\*", ".*") + self.configdict["pkg"]["PORTAGE_IUSE"] = regex ebuild_force_test = self.get("EBUILD_FORCE_TEST") == "1" if ebuild_force_test and ebuild_phase and \ -- cgit v1.2.3-1-g7c22