linux-libre-lts-grsec-3.2.35-2: updating revision

1 files changed, 57 insertions, 1 deletions

diff --git a/kernels/linux-libre-lts-grsec/linux-libre-lts-grsec.install b/kernels/linux-libre-lts-grsec/linux-libre-lts-grsec.install
index 18b408248..05662cb18 100755
--- a/kernels/linux-libre-lts-grsec/linux-libre-lts-grsec.install
+++ b/kernels/linux-libre-lts-grsec/linux-libre-lts-grsec.install
@@ -2,7 +2,45 @@
 # arg 2:  the old package version
 
 KERNEL_NAME=-lts-grsec
-KERNEL_VERSION=3.2.35-1-LIBRE-LTS-GRSEC
+KERNEL_VERSION=3.2.35-2-LIBRE-LTS-GRSEC
+
+_fix_permissions() {
+  /usr/bin/paxutils
+
+  echo
+  echo You can repeat this process after updating or installing affected
+  echo binaries by running "paxutils".
+}
+
+_add_proc_group() {
+  if ! getent group proc-trusted >/dev/null; then
+    groupadd -g 9998 -r proc-trusted
+    useradd -g 9998 -r proc-trusted
+  fi
+}
+
+_add_tpe_group() {
+  if getent group grsec-trusted >/dev/null; then
+    groupmod -n tpe-trusted grsec-trusted
+  fi
+
+  if ! getent group tpe-trusted >/dev/null; then
+    groupadd -g 9999 -r tpe-trusted
+    useradd -g 9999 -r tpe-trusted
+  fi
+}
+
+_help() {
+  echo
+  echo For group tpe-trusted, Trusted Path Execution is disabled. For group
+  echo proc-trusted, the access to /proc is not restricted. Think carefully
+  echo before adding a normal user to this group.
+  echo
+  echo This is controllable with the sysctl options \"kernel.grsecurity.tpe*\".
+  echo
+  echo There is an extensive wikibook on grsecurity:
+  echo http://en.wikibooks.org/wiki/Grsecurity
+}
 
 # set a sane PATH to ensure that critical utils like depmod will be found
 export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
@@ -28,6 +66,12 @@ post_install () {
       ln -sf vmlinuz-linux-libre${KERNEL_NAME} /boot/vmlinuz26${KERNEL_NAME}
     fi
   fi
+
+  _add_proc_group
+  _add_tpe_group
+  _fix_permissions
+  
+  _help
 }
 
 post_upgrade() {
@@ -60,10 +104,22 @@ post_upgrade() {
     echo ">>> Generating initial ramdisk, using mkinitcpio.  Please wait..."
     mkinitcpio -p linux-libre${KERNEL_NAME}
   fi
+
+  _add_proc_group
+  _add_tpe_group
+  _fix_permissions
+
+  _help
 }
 
 post_remove() {
   # also remove the compat symlinks
   rm -f boot/{initramfs-linux-libre,kernel26}${KERNEL_NAME}.img
   rm -f boot/{initramfs-linux-libre,kernel26}${KERNEL_NAME}-fallback.img
+
+  for group in grsec-trusted proc-trusted tpe-trusted; do
+    if getent group $group >/dev/null; then
+	  groupdel $group
+    fi
+  done
 }