4 files changed, 85 insertions, 0 deletions

diff --git a/meta/recipes-devtools/prelink/prelink/macros.prelink b/meta/recipes-devtools/prelink/prelink/macros.prelink
new file mode 100644
index 0000000000..cb16695885
--- /dev/null
+++ b/meta/recipes-devtools/prelink/prelink/macros.prelink
@@ -0,0 +1,5 @@
+# rpm-4.1 verifies prelinked libraries using a prelink undo helper.
+#       Note: The 2nd token is used as argv[0] and "library" is a
+#       placeholder that will be deleted and replaced with the appropriate
+#       library file path.
+%__prelink_undo_cmd     /usr/sbin/prelink prelink -y library
diff --git a/meta/recipes-devtools/prelink/prelink/prelink.conf b/meta/recipes-devtools/prelink/prelink/prelink.conf
new file mode 100644
index 0000000000..562f23c59d
--- /dev/null
+++ b/meta/recipes-devtools/prelink/prelink/prelink.conf
@@ -0,0 +1,18 @@
+# This config file contains a list of directories both with binaries
+# and libraries prelink should consider by default.
+# If a directory name is prefixed with `-l ', the directory hierarchy
+# will be walked as long as filesystem boundaries are not crossed.
+# If a directory name is prefixed with `-h ', symbolic links in a
+# directory hierarchy are followed.
+-l /usr/local/sbin
+-l /sbin
+-l /usr/sbin
+-l /usr/local/bin
+-l /bin
+-l /usr/bin
+-l /usr/X11R6/bin
+-l /usr/games
+-l /usr/local/lib{,32,64,x32}
+-l /lib{,32,64,x32}
+-l /usr/lib{,32,64,x32}
+-l /usr/X11R6/lib{,32,64,x32}
diff --git a/meta/recipes-devtools/prelink/prelink/prelink.cron.daily b/meta/recipes-devtools/prelink/prelink/prelink.cron.daily
new file mode 100644
index 0000000000..0b3c07322c
--- /dev/null
+++ b/meta/recipes-devtools/prelink/prelink/prelink.cron.daily
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+. /etc/default/prelink
+
+renice +19 -p $$ >/dev/null 2>&1
+
+if [ "$PRELINKING" != yes ]; then
+  if [ -f /etc/prelink.cache ]; then
+    echo /usr/sbin/prelink -uav > /var/log/prelink.log
+    /usr/sbin/prelink -uav >> /var/log/prelink.log 2>&1
+    rm -f /etc/prelink.cache
+    # Restart init if needed
+    [ -n "$(find `ldd /sbin/init | awk '{ print $3 }'` /sbin/init -ctime -1 2>/dev/null )" ] && /sbin/telinit u
+  fi
+  exit 0
+fi
+
+if [ ! -f /etc/prelink.cache -o -f /var/lib/misc/prelink.force ] \
+   || grep -q '^prelink-ELF0.[0-2]' /etc/prelink.cache; then
+  # If cache does not exist or is from older prelink versions or
+  # if we were asked to explicitely, force full prelinking
+  rm -f /etc/prelink.cache /var/lib/misc/prelink.force
+  PRELINK_OPTS="$PRELINK_OPTS -f"
+  date > /var/lib/misc/prelink.full
+elif [ -n "$PRELINK_FULL_TIME_INTERVAL" \
+       -a "`find /var/lib/misc/prelink.full -mtime -${PRELINK_FULL_TIME_INTERVAL} 2>/dev/null`" \
+          = /var/lib/misc/prelink.full ]; then
+  # If prelink without -q has been run in the last
+  # PRELINK_FULL_TIME_INTERVAL days, just use quick mode
+  PRELINK_OPTS="$PRELINK_OPTS -q"
+else
+  date > /var/lib/misc/prelink.full
+fi
+
+echo /usr/sbin/prelink -av $PRELINK_OPTS > /var/log/prelink.log
+/usr/sbin/prelink -av $PRELINK_OPTS >> /var/log/prelink.log 2>&1
+# Restart init if needed
+[ -n "$(find `ldd /sbin/init | awk '{ print $3 }'` /sbin/init -ctime -1 2>/dev/null )" ] && /sbin/telinit u
+
+exit 0
diff --git a/meta/recipes-devtools/prelink/prelink/prelink.default b/meta/recipes-devtools/prelink/prelink/prelink.default
new file mode 100644
index 0000000000..d8802f820a
--- /dev/null
+++ b/meta/recipes-devtools/prelink/prelink/prelink.default
@@ -0,0 +1,22 @@
+# Set this to no to disable prelinking altogether
+# or to yes to enable it.
+# (if you change this from yes to no prelink -ua
+# will be run next night to undo prelinking)
+PRELINKING=yes
+
+# Options to pass to prelink
+# -m    Try to conserve virtual memory by allowing overlapping
+#       assigned virtual memory slots for libraries which
+#       never appear together in one binary
+# -R    Randomize virtual memory slot assignments for libraries.
+#       This makes it slightly harder for various buffer overflow
+#       attacks, since library addresses will be different on each
+#       host using -R.
+PRELINK_OPTS=-mR
+
+# How often should full prelink be run (in days)
+# Normally, prelink will be run in quick mode, every
+# $PRELINK_FULL_TIME_INTERVAL days it will be run
+# in normal mode.  Comment this line out if prelink 
+# should be run in normal mode always.
+PRELINK_FULL_TIME_INTERVAL=14