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#
# namcap rules - symlink
# Copyright (C) 2003-2009 Jason Chu <jason@archlinux.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import os
from Namcap.ruleclass import *
from Namcap.package import load_from_db
class package(TarballRule):
name = "symlink"
description = "Checks that symlinks point to the right place"
def analyze(self, pkginfo, tar):
filenames = set(s.name for s in tar)
depfilenames = set()
for d in pkginfo['depends']:
p = load_from_db(d)
if not p:
continue
depfilenames |= set(name for name,_,_ in p['files'])
filenames |= depfilenames
for i in tar:
if i.issym():
self.infos.append(("symlink-found %s points to %s", (i.name, i.linkname)))
linktarget = i.linkname
linklead = os.path.dirname(i.name)
# os.path.join drops the 1st arg if the 2nd one is absolute
linkdest = os.path.join(linklead, linktarget)
linkdest = os.path.normpath(linkdest).lstrip('/')
if linkdest not in filenames:
self.errors.append(("dangling-symlink %s points to %s", (i.name, i.linkname)))
if i.islnk():
self.infos.append(("hardlink-found %s points to %s", (i.name, i.linkname)))
if i.linkname not in filenames:
self.errors.append(("dangling-hardlink %s points to %s", (i.name, i.linkname)))
# vim: set ts=4 sw=4 noet:
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