- blind chmod 0 before unlinking files to avoid anybody doing sneaky stuff via hardlinks

svn path=/main/trunk/; revision=6563

diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py
index d438cbee029374592102f37c466450aae9755a2f..3c7e646ebaeefb9aa6620e3e2eb2206fa4d92445 100644 (file)
--- a/pym/portage/dbapi/vartree.py
+++ b/pym/portage/dbapi/vartree.py
@@ -1211,6 +1211,10 @@ class dblink(object):
                                                writemsg_stdout("--- !md5   %s %s\n" % ("obj", obj))
                                                continue
                                        try:
+                                               if statobj.st_nlink > 1:
+                                                       portage.writemsg("There are "+str(st.st_nlink-1)+" hardlinks to " + obj)
+                                               # Always blind chmod 0 before unlinking to avoid race conditions.
+                                               os.chmod(obj, 0000)
                                                os.unlink(obj)
                                        except (OSError, IOError), e:
                                                pass