# Maintainer: Luke R. <g4jc@openmailbox.org> GPG: rsa4096/3EAE8697
# Contributor: Brad Arrington

pkgname=samhain
pkgver=4.1.2
pkgrel=1
pkgdesc="file integrity / intrusion detection system"
arch=(i686 x86_64)
url="http://www.la-samhna.de/"
license=('GPL')
makedepends=('gcc' 'openssl' 'procps-ng')
source=("http://www.la-samhna.de/samhain/${pkgname}-current.tar.gz" 
'PKGBUILD.sig'
'PKGBUILD')
validpgpkeys=('CB6E213A349B8DF9E96B622AC3F4FFCF3EAE8697' # PKGBUILD Maintainer's key
'EF6CEF54701A0AFDB86AF4C31AAD26C80F571F6C') # Rainer Wichmann
sha512sums=('0dcb89b7a11b0aaef7b306360857c64b505651b526f7c3030ac7186f1c334c745df7b544e16fa9edac260156b1fa32d44e2276cf2476807d0ea0c011d05c9e4f'
            'SKIP'
            'SKIP')

pkgver() {
tar -ztvf samhain-current.tar.gz | head -n1 | awk '{print $6}' | sed "s/samhain-//" | sed "s/.tar.gz//" # get latest version number
}

build() {
  gpg --verify PKGBUILD.sig PKGBUILD
  echo "Note: If the GPG verification fails, import the PKGBUILD maintainer's GPG key. See: https://wiki.parabola.nu/GnuPG#Import_key"
  whirlpoolsum=('09be99572c31d76dc58ccb5963e615ea87faf689858cd4372883df5905d1fff792807641adb85c9719269577ae81e679936d0488a27cdb055724c6ed6eaa3d5b')
  [[ "$(openssl dgst -r -whirlpool samhain-current.tar.gz | awk '{print $1}')" = ${whirlpoolsum} ]] && echo "Whirlpool checksum passed." || { echo "Whirlpool checksum failed!!" ;  exit 1; } # This is an added security layer. If SHA512 for some unlikely reason fails, whirlpool will check and abort if it too fails to match.
  gpg --verify samhain-${pkgver}.tar.gz.asc samhain-${pkgver}.tar.gz
  echo "Note: If the GPG verification fails, import the Samhain GPG key: http://www.la-samhna.de/samhain/s_rkey.html"
  tar -zxvf "${srcdir}/${pkgname}-current.tar.gz" -C "${srcdir}"/.
  cd "${srcdir}"
  tar -zxvf ${pkgname}-${pkgver}.tar.gz
  cd "${pkgname}-${pkgver}"
  ./configure --prefix=/usr --localstatedir=/var --sysconfdir=/etc --with-trusted=0 --sbindir=/usr/bin 
  # see samhain documentation, lots of other options available. e.g. use --enable-network=server to run in server mode.
}

package() {
  cd "${pkgname}-${pkgver}"
  make || return 1
  make DESTDIR="$pkgdir/" install
}