# Contributor: Stuart Cardall <developer@it-offshore.co.uk>
# Maintainer: Stuart Cardall <developer@it-offshore.co.uk>
pkgname=psad
pkgver=2.4.3
pkgrel=1
pkgdesc="3 lightweight system daemons that analyze iptables log messages to detect port scans and other suspicious traffic"
url="http://cipherdyne.org/psad/"
arch="all"
license="GPL"
depends="perl iptables ip6tables ssmtp mailx psmisc perl-bit-vector
	perl-date-calc perl-iptables-chainmgr perl-iptables-parse perl-net-ipv4addr
	perl-unix-syslog net-tools whois"
subpackages="$pkgname-doc"
source="http://cipherdyne.org/psad/download/$pkgname-nodeps-$pkgver.tar.gz
	psad.initd
	psad.confd"
builddir="$srcdir/$pkgname-nodeps-$pkgver"

build() {
	cd "$builddir"

	# Set the config dirs.
	sed -e "s|'/usr/sbin'|'$pkgdir/usr/sbin'|" \
		-e "s|'/usr/bin'|'$pkgdir/usr/bin'|" \
		-e "s|my \$mpath = \"/usr/share/man/man\$section\";|my \$mpath = \"$pkgdir/usr/share/man/man\$section\";|" \
		-i ./install.pl || return 1

	# /usr/sbin/psadwatchd set with last cmd
	sed -e "s|/var/log/psad|$pkgdir&|" \
		-e "s|/var/run/psad|$pkgdir/run/psad|" \
		-e "s|/var/lib/psad|$pkgdir&|" \
		-e "s|/usr/lib/psad|$pkgdir&|" \
		-e "s|/etc/psad|$pkgdir&|" \
		-e "s|/usr/bin/whois_psad|$pkgdir/usr/bin/whois|" \
		-e "s|/usr/sbin/fwcheck_psad|$pkgdir&|" \
		-e "s|/usr/sbin/kmsgsd|$pkgdir&|" \
		-e "s|/usr/sbin/psad|$pkgdir&|" \
		-i ./psad.conf || return 1

	# Set mail command to mailx.
	sed -e 's|/bin/mail;|/usr/bin/mail;|g' -i ./psad.conf || return 1

	# Disable install of generic init script & setting numeric run level.
	local start=$(sed -n '/if ($init_dir and &is_root()) {/=' ./install.pl)
	local end=$(expr $start + 7)
	# Busybox sed does not support +7d.
	sed ''$start','$end'd' ./install.pl -i || return 1

	# Populate install.answers so build does not wait for them.
	cat >./install.answers <<-EOF
		Would you like to merge the config from the existing psad installation: y;
		Preserve any user modfications in etc psad signatures: y;
		Preserve any user modfications in etc psad icmp_types: y;
		Preserve any user modfications in etc psad icmp6_types: y;
		Preserve any user modfications in etc psad posf: y;
		Preserve any user modfications in etc psad auto_dl: y;
		Preserve any user modfications in etc psad snort_rule_dl: y;
		Preserve any user modfications in etc psad pf os: y;
		Preserve any user modfications in etc psad ip_options: y;
		Would you like alerts sent to a different address: y;
		Email addresses: root@localhost;
		Would you like psad to only parse specific strings in iptables messages: n;
		First is it ok to leave the HOME_NET setting as any: y;
		Would you like to enable DShield alerts: n;
		Would you like to install the latest signatures from http www cipherdyne org psad signatures: n;
		Enable psad at boot time:\t n;
	EOF
}

package() {
	cd "$builddir"

	mkdir -p "$pkgdir"/etc/psad \
		"$pkgdir"/usr/bin \
		"$pkgdir"/usr/sbin \
		"$pkgdir"/usr/share/man/man8 \
		"$pkgdir"/var/lib/psad \
		"$pkgdir"/var/log/psad

	# Add dummy whois so build completes.
	ln -s /bin/busybox "$pkgdir"/usr/bin/whois || return 1

	# Dummy runlevel 1 / skip perl module installation.
	./install.pl --runlevel 1 --Use-answers --Skip-mod-install || return 1
	rm -Rf "$pkgdir"/var/run

	# Set correct permissions.
	chmod -R o+r "$pkgdir"/etc/psad
	chmod -R o+r "$pkgdir"/usr/sbin/*
	chmod 0700 "$pkgdir"/var/lib/psad

	# Remove whois symbolic link.
	rm -f "$pkgdir"/usr/bin/whois

	# Fix the config.
	sed "s|$pkgdir||" -i "$pkgdir"/etc/psad/psad.conf || return 1
	sed "s|$pkgdir||" -i "$pkgdir"/var/log/psad/install.log || return 1

	# Install init script & config defaults.
	install -m755 -D "$srcdir"/$pkgname.initd \
		"$pkgdir"/etc/init.d/$pkgname || return 1
	install -m644 -D "$srcdir"/$pkgname.confd \
		"$pkgdir"/etc/conf.d/$pkgname || return 1
}

md5sums="644e6094c5142f54cdca6e7429825307  psad-nodeps-2.4.3.tar.gz
1b061d02d75d09537ef25e588c09583f  psad.initd
bc07efebb41cc23c4be129bbbacc874b  psad.confd"
sha256sums="c5a90f4c284c0eda3b24c5fcd9d0fd0e464ad8bf0fe7559ac6ecc41bb81e0b65  psad-nodeps-2.4.3.tar.gz
872152efdd6b5774ed0a11a44156ca5c4707af31ac4e998cfd20a3f47a81fefa  psad.initd
74c72225fa37c367a458321b737050cacaf262f32b0cc13babc54468ff1988b9  psad.confd"
sha512sums="9234a2ed534f571fb46d7566313802813076b9a3f2011695288b7b1a5c4f3f22cefc6ea99e087cbeb1072d61c278c11a28b5aaa4e4024d8bb459dda4873840d2  psad-nodeps-2.4.3.tar.gz
ec709b1ba1df36dad5c1c2cfb5fc45765ac4ccdd6fc7a3e2f23c972c7dfb8e5910aeb1ba42437abd0d2c766bb99bcb790301c7b8ba3ee7e6593dcae13e9efc3a  psad.initd
a80666f59356cc6157a9f5dca132991d4f1e0afda8f673d602de2557219d5521bec9ae148330e98d9483175d14d96e4cc2ccd11541d8b187b0e47f44ba4ada54  psad.confd"
