kernel/scripts/selinux/install_policy.sh

   1 #!/bin/sh
   2 if [ `id -u` -ne 0 ]; then
   3         echo "$0: must be root to install the selinux policy"
   4         exit 1
   5 fi
   6 SF=`which setfiles`
   7 if [ $? -eq 1 ]; then
   8         if [ -f /sbin/setfiles ]; then
   9                 SF="/usr/setfiles"
  10         else
  11                 echo "no selinux tools installed: setfiles"
  12                 exit 1
  13         fi
  14 fi
  15
  16 cd mdp
  17
  18 CP=`which checkpolicy`
  19 VERS=`$CP -V | awk '{print $1}'`
  20
  21 ./mdp policy.conf file_contexts
  22 $CP -o policy.$VERS policy.conf
  23
  24 mkdir -p /etc/selinux/dummy/policy
  25 mkdir -p /etc/selinux/dummy/contexts/files
  26
  27 cp file_contexts /etc/selinux/dummy/contexts/files
  28 cp dbus_contexts /etc/selinux/dummy/contexts
  29 cp policy.$VERS /etc/selinux/dummy/policy
  30 FC_FILE=/etc/selinux/dummy/contexts/files/file_contexts
  31
  32 if [ ! -d /etc/selinux ]; then
  33         mkdir -p /etc/selinux
  34 fi
  35 if [ ! -f /etc/selinux/config ]; then
  36         cat > /etc/selinux/config << EOF
  37 SELINUX=enforcing
  38 SELINUXTYPE=dummy
  39 EOF
  40 else
  41         TYPE=`cat /etc/selinux/config | grep "^SELINUXTYPE" | tail -1 | awk -F= '{ print $2 '}`
  42         if [ "eq$TYPE" != "eqdummy" ]; then
  43                 selinuxenabled
  44                 if [ $? -eq 0 ]; then
  45                         echo "SELinux already enabled with a non-dummy policy."
  46                         echo "Exiting.  Please install policy by hand if that"
  47                         echo "is what you REALLY want."
  48                         exit 1
  49                 fi
  50                 mv /etc/selinux/config /etc/selinux/config.mdpbak
  51                 grep -v "^SELINUXTYPE" /etc/selinux/config.mdpbak >> /etc/selinux/config
  52                 echo "SELINUXTYPE=dummy" >> /etc/selinux/config
  53         fi
  54 fi
  55
  56 cd /etc/selinux/dummy/contexts/files
  57 $SF file_contexts /
  58
  59 mounts=`cat /proc/$$/mounts | egrep "ext2|ext3|xfs|jfs|ext4|ext4dev|gfs2" | awk '{ print $2 '}`
  60 $SF file_contexts $mounts
  61
  62
  63 dodev=`cat /proc/$$/mounts | grep "/dev "`
  64 if [ "eq$dodev" != "eq" ]; then
  65         mount --move /dev /mnt
  66         $SF file_contexts /dev
  67         mount --move /mnt /dev
  68 fi