#!/bin/bash

# Copyright 2008, 2009, 2010, 2013, 2015, 2018, 2019  Patrick J. Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PKGNAM=infozip
VERSION=6.0
ZIP=3.0
BUILD=${BUILD:-2_slack14.0}

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

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-infozip

rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf zip$(echo $ZIP | tr -d .)
tar xvf $CWD/zip$(echo $ZIP | tr -d .).tar.?z* || exit 1
cd zip$(echo $ZIP | tr -d .)

# Apply various patches:
zcat $CWD/zip-patches/zip-3.0-exec-shield.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/zip-patches/zip-3.0-currdir.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/zip-patches/zip-3.0-time.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/zip-patches/man.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/zip-patches/zip-3.0-format-security.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/zip-patches/zipnote.patch.gz | patch -p1 --verbose || exit 1

chown -R root:root .
mkdir -p $PKG/usr/doc/zip-$ZIP
cp -a BUGS CHANGES INSTALL LICENSE README* TODO US* WHATSNEW WHERE \
      $PKG/usr/doc/zip-$ZIP
chmod 644 $PKG/usr/doc/zip-$ZIP/*
make -f unix/Makefile generic_gcc || exit 1
mkdir -p $PKG/usr/bin
cat zip > $PKG/usr/bin/zip
cat zipnote > $PKG/usr/bin/zipnote
cat zipsplit > $PKG/usr/bin/zipsplit
cat zipcloak > $PKG/usr/bin/zipcloak
mkdir -p $PKG/usr/man/man1
for page in man/zip.1 ; do
  cat $page | gzip -9c > $PKG/usr/man/man1/$(basename $page).gz
done

cd $TMP
rm -rf unzip$(echo $VERSION | tr -d .)
tar xvf $CWD/unzip$(echo $VERSION | tr -d .).tar.?z* || exit 1
cd unzip$(echo $VERSION | tr -d .)

# Apply various patches:
zcat $CWD/unzip-patches/unzip-6.0-bzip2-configure.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-exec-shield.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-close.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-attribs-overflow.patch.gz | patch -p1 --verbose || exit 1
# RH specific:
#zcat $CWD/unzip-patches/unzip-6.0-configure.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-manpage-fix.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-fix-recmatch.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-symlink.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-caseinsensitive.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-format-secure.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-valgrind.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-x-option.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-overflow.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-cve-2014-8139.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-cve-2014-8140.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-cve-2014-8141.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-overflow-long-fsize.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-heap-overflow-infloop.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-alt-iconv-utf8.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-alt-iconv-utf8-print.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/0001-Fix-CVE-2016-9844-rhbz-1404283.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-timestamp.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-cve-2018-1000035-heap-based-overflow.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-cve-2018-18384.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/unzip-patches/unzip-6.0-COVSCAN-fix-unterminated-string.patch.gz | patch -p1 --verbose || exit 1

chown -R root:root .
mkdir -p $PKG/usr/doc/unzip-$VERSION
cp -a BUGS COPYING* Contents History.* INSTALL LICENSE README ToDo WHERE \
      $PKG/usr/doc/unzip-$VERSION
chmod 644 $PKG/usr/doc/unzip-$VERSION/*
# -DNO_LCHMOD because Linux systems do not have lchmod()
# -DNOMEMCPY is slower, but prevents file corruption
make -f unix/Makefile generic LOCAL_UNZIP="-DIZ_HAVE_UXUIDGID -DNOMEMCPY -DNO_LCHMOD" || exit 1
cat unzip > $PKG/usr/bin/unzip
cat unzipsfx > $PKG/usr/bin/unzipsfx
cat funzip > $PKG/usr/bin/funzip
cat unix/zipgrep > $PKG/usr/bin/zipgrep
( cd $PKG/usr/bin ; ln -sf unzip zipinfo )
chmod 755 $PKG/usr/bin/*
cd man
for page in funzip.1 unzip.1 unzipsfx.1 zipgrep.1 zipinfo.1 ; do
  cat $page | gzip -9c > $PKG/usr/man/man1/$page.gz
done
cd ..
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Build the package:
cd $PKG
makepkg -l y -c n $TMP/infozip-$VERSION-$ARCH-$BUILD.txz