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# Maintainer: Ronald van Haren <ronald.archlinux.org>
# Contributor: Thomas Baechler <thomas@archlinux.org>

pkgbase=iptables
pkgname=(iptables iptables-nft)
pkgver=1.8.10
pkgrel=1
epoch=1
pkgdesc='Linux kernel packet control tool'
arch=('armv7h' 'aarch64')
license=(GPL2)
url='https://www.netfilter.org/projects/iptables/index.html'
depends=(libnftnl libpcap libnfnetlink libnetfilter_conntrack bash)
makedepends=(linux-headers)
backup=(etc/ethertypes etc/iptables/{ip,ip6}tables.rules)
source=(https://www.netfilter.org/projects/iptables/files/$pkgbase-$pkgver.tar.xz{,.sig}
        empty.rules simple_firewall.rules empty-{filter,mangle,nat,raw,security}.rules
        {arp,eb,ip,ip6}tables.service iptables-{legacy,nft}-flush
        iptables-apply-default-path.patch)

validpgpkeys=('C09DB2063F1D7034BA6152ADAB4655A126D292E4'
              '37D964ACC04981C75500FB9BD55D978A8A1420E4') # Netfilter Core Team

prepare() {
  mkdir build
  cd $pkgbase-$pkgver

  # use system one
  rm include/linux/types.h

  ln -rs libiptc/linux_list.h include/libiptc

  # use Arch path
  patch -p0 -i ../iptables-apply-default-path.patch
}

build() {
  cd build
  ../$pkgbase-$pkgver/configure \
    --prefix=/usr \
    --sysconfdir=/etc \
    --sbindir=/usr/sbin \
    --libexecdir=/usr/libexec \
    --enable-bpf-compiler \
    --enable-devel \
    --enable-libipq \
    --enable-shared
  sed -e 's/ -shared / -Wl,-O1,--as-needed\0/g' -i libtool
  make
}

package_iptables() {
  pkgdesc+=' (using legacy interface)'
  _package legacy
}

package_iptables-nft() {
  pkgdesc+=' (using nft interface)'
  depends+=(nftables)
  provides=(iptables arptables ebtables)
  conflicts=(iptables arptables ebtables)
  backup+=(etc/{arp,eb}tables.conf)

  _package nft

  install -Dt "$pkgdir/usr/lib/systemd/system" -m644 {arp,eb}tables.service
  touch "$pkgdir"/etc/{arp,eb}tables.conf
}

_package() {
  DESTDIR="$pkgdir" make -C build install

  for _x in iptables-xml; do
    if [[ $1 = nft || $_x = ip* ]]; then
      ln -sf xtables-$1-multi "$pkgdir/usr/bin/$_x"
    else
      rm "$pkgdir/usr/bin/$_x"
    fi
  done

  for _x in {arp,eb,ip,ip6}tables{,-restore,-save}; do
    if [[ $1 = nft || $_x = ip* ]]; then
      ln -sf xtables-$1-multi "$pkgdir/usr/sbin/$_x"
    else
      rm "$pkgdir/usr/sbin/$_x"
    fi
  done

  install -Dt "$pkgdir/usr/lib/systemd/system" -m644 {ip,ip6}tables.service
  install -D iptables-$1-flush "$pkgdir/usr/lib/systemd/scripts/iptables-flush"

  install -Dm644 empty.rules "$pkgdir/etc/iptables/iptables.rules"
  install -Dm644 empty.rules "$pkgdir/etc/iptables/ip6tables.rules"
  install -Dt "$pkgdir/usr/share/iptables" -m644 *.rules
  ln -srt "$pkgdir/etc/iptables" "$pkgdir"/usr/share/iptables/{empty,simple_firewall}.rules
}

# vim:set sw=2 et:
sha256sums=('5cc255c189356e317d070755ce9371eb63a1b783c34498fb8c30264f3cc59c9c'
            'SKIP'
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            '9e83d7ae39d31881790f814930d44acbaeab1520adb2fb4fcb80f0bbfab174b9'
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            '6d3e7bdeebdaeaf83ed448f4d42a979c8c59fb5e919f6f860ed340c2c9afef1a'
            '770ceaedce26d05eb1b9d0c4c65f5b8e92facd1dc0652a29c859336d6bc347f6')