svn commit: r276086 - head/usr.sbin/freebsd-update
Colin Percival
cperciva at FreeBSD.org
Mon Dec 22 21:52:38 UTC 2014
Author: cperciva
Date: Mon Dec 22 21:52:37 2014
New Revision: 276086
URL: https://svnweb.freebsd.org/changeset/base/276086
Log:
Strip trailing / characters from paths in "not present" index entries, not
just "directory" entries.
Prior to this commit, if / was added as part of a security update (how? In
the most recent case, because lib32 was accidentally omitted and was then
re-added, and every installer distribution set gets its own paths) then
the code which was supposed to filter out updates to deleted parts of the
base system (if someone decides to delete / then we shouldn't re-create it
for them) would instead get confused and decided that while / should exist,
// should not exist and needs to be removed.
This fixes the bug which caused freebsd-update to want to delete / (which is
harmless, since `rm /` fails, but scary nonetheless). A workaround is being
applied to the update bits in order to avoid triggering the bug on unpatched
systems.
PR: 196055, 196091, 196147
Modified:
head/usr.sbin/freebsd-update/freebsd-update.sh
Modified: head/usr.sbin/freebsd-update/freebsd-update.sh
==============================================================================
--- head/usr.sbin/freebsd-update/freebsd-update.sh Mon Dec 22 21:46:35 2014 (r276085)
+++ head/usr.sbin/freebsd-update/freebsd-update.sh Mon Dec 22 21:52:37 2014 (r276086)
@@ -1395,6 +1395,7 @@ fetch_filter_metadata () {
# matter, since we add a leading "/" when we use paths later.
cut -f 3- -d '|' $1 |
sed -e 's,/|d|,|d|,' |
+ sed -e 's,/|-|,|-|,' |
sort -u > $1.tmp
# Figure out which lines to ignore and remove them.
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