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#!/bin/bash
#
# slackbuild for rssh-chroot
# 

CWD="`pwd`"

cat << EOCAT
Please consider to run this script with the following things installed:

  rssh
  libsafe

EOCAT

if [ "$INTERACT" != "no" ]; then
  echo "Hit ENTER do continue, Crtl-C to abort"
  read crap
else
  echo sleeping 3 seconds...
  sleep 3
fi

if [ -f ~/.slackbuildrc ]; then
  source ~/.slackbuildrc
elif [ -f /etc/slackbuildrc ]; then
  source /etc/slackbuildrc
fi

# default settings
PRGNAM="rssh-chroot"
PACKAGE="$PRGNAM"
ARCH=${ARCH:=i486}
VERSION=${VERSION:=2.3.2}
BUILD=${BUILD:=2rha}
SRC_DIR=${SRC:=$CWD}
TMP=${TMP:=/tmp}
REPOS=${REPOS:=$TMP}

if [ "$ARCH" == "x86_64" ]; then
  LIBDIR=/usr/lib64
else
  LIBDIR=/usr/lib
fi

# adjust to where your rssh chroot system will be located
CHROOT_BASE="/var/users"

TMP="$TMP/$PACKAGE"
rm -rf $TMP
mkdir -p $TMP
cd $TMP

rm -rf $TMP/package-$PACKAGE
mkdir -p $TMP/package-$PACKAGE/install
cd $TMP/package-$PACKAGE

mkdir -p ./$CHROOT_BASE/{bin,etc,lib,lib/tls,usr/lib,usr/libexec,usr/bin,usr/doc,home,dev}

if [ "$ARCH" == "x86_64" ]; then
  mkdir -p ./$CHROOT_BASE/{lib64/tls,usr/lib64}
fi

for ldfile in ld.so.cache ld.so.conf ld.so.preload; do
  if [ -f "/etc/$ldfile" ]; then
    cp /etc/$ldfile ./$CHROOT_BASE/etc
  fi
done

# inspired by http://www.howtoforge.com/chrooted_ssh_howto_debian_p2
APPS="/usr/bin/rssh /usr/bin/scp /usr/libexec/sftp-server /usr/libexec/rssh_chroot_helper"
for app in $APPS; do
  cp $app ./$CHROOT_BASE/$app

  # obtain a list of related libraries
  ldd $app > /dev/null
  if [ "$?" = 0 ] ; then
    libs="`ldd $app | sed -e 's/=>//' -e 's/(.*)//' | awk '{ print $1 "\n" $2 }'`"
    for lib in $libs; do
      if [ -a "$lib" ]; then
        mkdir -p ./$CHROOT_BASE/`dirname $lib` > /dev/null 2>&1
        cp $lib ./$CHROOT_BASE/$lib
      fi
    done
  fi
done

# dont work inside vservers:
# mknod ./$CHROOT_BASE/dev/null c 1 3

cp /dev/null ./$CHROOT_BASE/dev/null
chmod 666 ./$CHROOT_BASE/dev/null

mkdir -p usr/doc/$PACKAGE-$VERSION
cp $CWD/COPYING* usr/doc/$PACKAGE-$VERSION/

cat << EOF > install/slack-desc
# HOW TO EDIT THIS FILE:
# The "handy ruler" below makes it easier to edit a package description.  Line
# up the first '|' above the ':' following the base package name, and the '|'
# on the right side marks the last column you can put a character in.  You must
# make exactly 11 lines for the formatting to be correct.  It's also
# customary to leave one space after the ':'.

           |-----handy-ruler-----------------------------------------------------|
rssh-chroot: rssh-chroot: a chroot jail to use with rssh restricted secure shell 
rssh-chroot: 
rssh-chroot: 
rssh-chroot: 
rssh-chroot: 
rssh-chroot: 
rssh-chroot: 
rssh-chroot: 
rssh-chroot: 
rssh-chroot: 
rssh-chroot: 
EOF

chmod 755 ./$CHROOT_BASE/{bin,etc,lib,lib/tls,usr/lib,usr/libexec,usr/bin,usr/doc,dev}
chmod 111 ./$CHROOT_BASE/home

makepkg -c n $REPOS/$PACKAGE-$VERSION-$ARCH-$BUILD.tgz

if [ "$CLEANUP" == "yes" ]; then
  rm -rf $TMP
fi