linux/mppe/mppeinstall.sh

   1 #!/bin/sh
   2 #
   3 # A quickie script to install MPPE into the 2.2.19+ or 2.4.18+ kernel.
   4 # Does very little error checking!!!
   5 #
   6
   7 mppe_files="sha1.[ch] arcfour.[ch] ppp_mppe_compress.c"
   8
   9 if [ -z "$1" -o ! -d "$1" ]; then
  10     echo "Usage: $0 <linux-source-dir>" >&2
  11     exit 1
  12 fi
  13
  14 # strip any trailing /
  15 set -- ${1%/}
  16 # strip leading /path/to/linux- and trailing -release
  17 ver=`echo "${1##*/}" | sed -e 's/linux-//' -e 's/-.*//'`
  18 if ! expr "$ver" : 2.[246] >/dev/null ; then
  19     ver=`echo "${1##*/}" | sed -e 's/kernel-source-//' -e 's/-.*//'`
  20     if ! expr "$ver" : 2.[246] >/dev/null ; then
  21         echo "$0: Unable to determine kernel version ($ver)" >&2
  22         exit 1
  23     fi
  24 fi
  25
  26 # build patch files list
  27 patchdir=`pwd`
  28 patchfiles=
  29 if expr $ver : 2.2 >/dev/null ; then
  30     patchfiles=$patchdir/linux-2.2.*.patch
  31 elif expr $ver : 2.4 >/dev/null ; then
  32     patchfiles=`echo $patchdir/linux-2.4.18-{include,make}.patch`
  33     # need to differentiate a bit
  34     typeset -i rel=${ver##*.}
  35     if [ $rel -eq 18 ]; then
  36         patchfiles="$patchfiles $patchdir/linux-2.4.18-pad.patch"
  37     elif [ $rel -gt 18 ]; then
  38         patchfiles="$patchfiles $patchdir/linux-2.4.19-pad.patch"
  39     else
  40         echo "$0: unable to determine kernel version" >&2
  41         exit 1
  42     fi
  43 elif expr $ver : 2.6 >/dev/null ; then
  44     patchfiles=`echo $patchdir/linux-2.6*.patch`
  45 fi
  46
  47 echo "Detected kernel version $ver"
  48 echo "I will now patch the kernel in directory $1"
  49 echo -n "Press ret to continue, CTRL-C to exit: "
  50 read
  51
  52 pushd "$1" >/dev/null
  53 for patch in $patchfiles; do
  54     patch -p1 < $patch
  55 done
  56
  57 for file in $mppe_files; do
  58     cp -v $patchdir/$file drivers/net
  59 done
  60
  61 popd >/dev/null
  62
  63 exit 0