From 7bf6d65fccb92a509ce93595e5de2e2dc675cd6b Mon Sep 17 00:00:00 2001
From: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Date: Thu, 4 Sep 2008 12:55:05 +0200
Subject: [PATCH] Added check for grsec kernel version.

---
 src/actions/main.queue |    1 +
 src/functions.sh       |   26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/src/actions/main.queue b/src/actions/main.queue
index 7e8ae18..0335654 100644
--- a/src/actions/main.queue
+++ b/src/actions/main.queue
@@ -2,6 +2,7 @@
 true				first_warning
 true				check_apache_version
 true				check_upgrade
+true				check_grsec_kernel
 pkg xlibs			remove_x
 true				remove_bloat
 true				apt_listchanges disable
diff --git a/src/functions.sh b/src/functions.sh
index cbb7d61..fc5e65d 100644
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -340,6 +340,32 @@ Nakon toga ponovno pozovite ovu skriptu."
   fi
 }
 
+# if grsec is installed make sure it is fresh
+check_grsec_kernel () {
+  local ver=`uname -r`
+
+  log "Kernel version: $ver"
+  if [ "$ver" = "${ver%-grsec}" ]; then
+    # not grsec variant
+    return 0
+  fi
+
+  if [ "$ver" = "${ver#2.6.2[2-9]}" ]; then
+    # kernel too old
+    notice "
+Prije prelaska na Debian Etch potrebno je napraviti nadogradnju na najnoviji grsec kernel.
+
+Pokrenite:
+  # apt-get update
+  # apt-get install kernel-2.6-cn
+  # reboot
+  
+Nakon toga ponovno pozovite ovu skriptu."
+    log "carnet-upgrade aborted, kernel upgrade needed."
+    exit 1
+  fi
+}
+
 upgrade () {
   local i to_install packages
   case "$1" in
-- 
1.7.10.4