SOURCES: prelink.cron (NEW), prelink.sysconfig (NEW) - copied from...

[glen]

Author: glen                         Date: Fri Jan  6 13:09:00 2006 GMT
Module: SOURCES                       Tag: HEAD
---- Log message:
- copied from prelink-0.3.6-2.src.rpm

---- Files affected:
SOURCES:
   prelink.cron (NONE -> 1.1)  (NEW), prelink.sysconfig (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: SOURCES/prelink.cron
diff -u /dev/null SOURCES/prelink.cron:1.1
--- /dev/null	Fri Jan  6 14:09:00 2006
+++ SOURCES/prelink.cron	Fri Jan  6 14:08:55 2006
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+. /etc/sysconfig/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 \
+      || echo Prelink failed with return value $? >> /var/log/prelink.log
+    rm -f /etc/prelink.cache
+    # Restart init if needed
+    [ -n "$(find `ldd /sbin/init | awk 'NF == 4 { 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
+  cp -a /var/lib/misc/prelink.{full,quick}
+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 no more than PRELINK_NONRPM_CHECK_INTERVAL days elapsed from last prelink
+  # (be it full or quick) and no packages have been upgraded via rpm since then,
+  # don't do anything.
+  [ "`find /var/lib/misc/prelink.quick -mtime -${PRELINK_NONRPM_CHECK_INTERVAL:-7} 2>/dev/null`" \
+    -a -f /var/lib/rpm/Packages \
+    -a /var/lib/rpm/Packages -ot /var/lib/misc/prelink.quick ] && exit 0
+  date > /var/lib/misc/prelink.quick
+  # If prelink without -q has been run in the last
+  # PRELINK_FULL_TIME_INTERVAL days, just use quick mode
+  PRELINK_OPTS="$PRELINK_OPTS -q"
+else
+  date > /var/lib/misc/prelink.full
+  cp -a /var/lib/misc/prelink.{full,quick}
+fi
+
+echo /usr/sbin/prelink -av $PRELINK_OPTS > /var/log/prelink.log
+/usr/sbin/prelink -av $PRELINK_OPTS >> /var/log/prelink.log 2>&1 \
+  || echo Prelink failed with return value $? >> /var/log/prelink.log
+# Restart init if needed
+[ -n "$(find `ldd /sbin/init | awk 'NF == 4 { print $3 }'` /sbin/init -ctime -1 2>/dev/null )" ] && /sbin/telinit u
+
+exit 0

================================================================
Index: SOURCES/prelink.sysconfig
diff -u /dev/null SOURCES/prelink.sysconfig:1.1
--- /dev/null	Fri Jan  6 14:09:00 2006
+++ SOURCES/prelink.sysconfig	Fri Jan  6 14:08:55 2006
@@ -0,0 +1,37 @@
+# Set this to no to disable prelinking altogether
+# (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 it out if it should be run
+# in normal mode always.
+PRELINK_FULL_TIME_INTERVAL=14
+
+# How often should prelink run (in days) even if
+# no packages have been upgraded via rpm.
+# If $PRELINK_FULL_TIME_INTERVAL days have not elapsed
+# yet since last normal mode prelinking, last
+# quick mode prelinking happened less than
+# $PRELINK_NONRPM_CHECK_INTERVAL days ago
+# and no packages have been upgraded by rpm
+# since last quick mode prelinking, prelink
+# will not do anything.
+# Change to
+# PRELINK_NONRPM_CHECK_INTERVAL=0
+# if you want to disable the rpm database timestamp
+# check (especially if you don't use rpm/up2date/yum/apt-rpm
+# exclusively to upgrade system libraries and/or binaries).
+PRELINK_NONRPM_CHECK_INTERVAL=7
================================================================