#!/bin/sh

# Slackware build script for xrdp
# Written by Phillip Warner <pc_warner@yahoo.com>

PRGNAM=xrdp
VERSION=0.4.1
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# If you have PAM installed and wish to install /etc/pam.d/sesman,
# then run this script as: "USE_PAM=YES ./xrdp.SlackBuild"
USE_PAM=${USE_PAM:-NO}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
chmod -R a-s,u+rw,go-w .

if [ ! "$USE_PAM" = "NO" ]; then
  patch < $CWD/patches/Makefile.PAM.diff
  make
else
  patch < $CWD/patches/Makefile.NOPAM.diff
  make nopam
fi

# Fix path in what will become the init script
sed -i "s/XRDP_DIR=\/usr\/local\/xrdp\//XRDP_DIR=\/usr\/lib${LIBDIRSUFFIX}\/xrdp\//" instfiles/xrdp_control.sh

# Set LogFile at /var/log/sesman.log
# Change LogLevel to INFO instead of DEBUG
# Disable Root logins by default
# Set user-specific RDP session script to ~/.xrdp-xinitrc
patch -d sesman/ < $CWD/patches/sesman.ini.diff

make install \
  PKGDIR=$PKG \
  DESTDIR=$PKG/usr/lib${LIBDIRSUFFIX}/$PRGNAM \
  CFGDIR=$PKG/etc/$PRGNAM \
  PIDDIR=$PKG/var/run \
  MANDIR=$PKG/usr/man \
  DOCDIR=$PKG/usr/doc/$PRGNAM-$VERSION

# Install routines for man pages missing from Makefile
mkdir -p $PKG/usr/man/man5 $PKG/usr/man/man8
cp -a docs/man/*.5 $PKG/usr/man/man5
cp -a docs/man/*.8 $PKG/usr/man/man8

# Make sure log directory is there
mkdir -p $PKG/var/log

# Fix permissions from install
chmod a-x $PKG/etc/$PRGNAM/*
if [ -e $PKG/etc/pam.d/ ]; then
  chmod a-x $PKG/etc/pam.d/sesman
fi
chmod a-x $PKG/usr/lib${LIBDIRSUFFIX}/$PRGNAM/{Tahoma-10.fv1,*.bmp,*.cur}

# Let's make the xrdp_control.sh script the init script
mkdir -p $PKG/etc/rc.d
mv $PKG/usr/lib${LIBDIRSUFFIX}/$PRGNAM/xrdp_control.sh $PKG/etc/rc.d/rc.$PRGNAM.new

# Move startwm.sh to a more sane location with a name that makes more sense
mv $PKG/usr/lib${LIBDIRSUFFIX}/$PRGNAM/startwm.sh $PKG/etc/$PRGNAM/xrdp-xinitrc.new

# Unfortunately, sesman.ini seems to ignore absolute paths for 
# startwm.sh, so we need to leave a link where it expects to find 
# the file under the program directory.
( cd $PKG/usr/lib${LIBDIRSUFFIX}/$PRGNAM
  ln -s /etc/$PRGNAM/xrdp-xinitrc startwm.sh
)

# Let's not clobber existing configs
( cd $PKG/etc/$PRGNAM
  mv rsakeys.ini rsakeys.ini.new
  mv sesman.ini sesman.ini.new
  mv xrdp.ini xrdp.ini.new
)

# Install the xrdp-xwmconfig utility
install -D -m 0755 $CWD/xrdp-xwmconfig \
  $PKG/usr/bin/xrdp-xwmconfig

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING design.txt install.txt readme.txt $PKG/usr/doc/$PRGNAM-$VERSION

# Keep a backup copy of startwm.sh in the docs
cat sesman/startwm.sh > $PKG/usr/doc/$PRGNAM-$VERSION/startwm.sh-example

cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}