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# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-analyzer/wireshark/wireshark-0.99.8.ebuild,v 1.9 2008/03/18 20:30:42 pva Exp $

EAPI=1
WANT_AUTOMAKE="1.9"
inherit autotools libtool flag-o-matic eutils toolchain-funcs

DESCRIPTION="A network protocol analyzer formerly known as ethereal"
HOMEPAGE="http://www.wireshark.org/"

# _rc versions has different download location.
[[ -n ${PV#*_rc} && ${PV#*_rc} != ${PV} ]] && {
SRC_URI="http://www.wireshark.org/download/prerelease/${PN}-${PV/_rc/pre}.tar.gz";
S=${WORKDIR}/${PN}-${PV/_rc/pre} ; } || \
SRC_URI="http://www.wireshark.org/download/src/all-versions/${P}.tar.bz2"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="alpha amd64 hppa ia64 ppc ~ppc64 sparc x86 ~x86-fbsd"
IUSE="adns gtk ipv6 lua portaudio gnutls gcrypt zlib kerberos threads profile smi +pcap pcre +caps selinux"

RDEPEND="zlib? ( sys-libs/zlib )
	smi? ( net-libs/libsmi )
	gtk? ( >=dev-libs/glib-2.0.4
		=x11-libs/gtk+-2*
		x11-libs/pango
		dev-libs/atk )
	!gtk? ( =dev-libs/glib-1.2* )
	gnutls? ( net-libs/gnutls )
	gcrypt? ( dev-libs/libgcrypt )
	pcap? ( net-libs/libpcap )
	pcre? ( dev-libs/libpcre )
	caps? ( sys-libs/libcap )
	adns? ( net-libs/adns )
	kerberos? ( virtual/krb5 )
	portaudio? ( media-libs/portaudio )
	lua? ( >=dev-lang/lua-5.1 )
	selinux? ( sec-policy/selinux-wireshark )"

DEPEND="${RDEPEND}
	>=dev-util/pkgconfig-0.15.0
	dev-lang/perl
	sys-devel/bison
	sys-devel/flex
	sys-apps/sed"

pkg_setup() {
	if ! use gtk; then
		ewarn "USE=-gtk will mean no gui called wireshark will be created and"
		ewarn "only command line utils are available"
	fi

	# Add group for users allowed to sniff.
	enewgroup wireshark || die "Failed to create wireshark group"
}

src_unpack() {
	unpack ${A}

	cd "${S}"
	epatch "${FILESDIR}"/${PN}-0.99.7-asneeded.patch
	epatch "${FILESDIR}"/${PN}-0.99.8-as-needed.patch
	epatch "${FILESDIR}"/${P}-libpcap-compile.patch

	cd "${S}"/epan
	epatch "${FILESDIR}"/wireshark-except-double-free.diff

	cd "${S}"
	AT_M4DIR="${S}/aclocal-fallback"
	eautoreconf
}

src_compile() {
	# optimization bug, see bug #165340, bug #40660
	if [[ $(gcc-version) == 3.4 ]] ; then
		elog "Found gcc 3.4, forcing -O3 into CFLAGS"
		replace-flags -O? -O3
	elif [[ $(gcc-version) == 3.3 || $(gcc-version) == 3.2 ]] ; then
		elog "Found <=gcc-3.3, forcing -O into CFLAGS"
		replace-flags -O? -O
	fi

	# see bug #133092; bugs.wireshark.org/bugzilla/show_bug.cgi?id=1001
	# our hardened toolchain bug
	filter-flags -fstack-protector

	local myconf
	if use gtk; then
		einfo "Building with gtk support"
	else
		einfo "Building without gtk support"
		myconf="${myconf} --disable-wireshark"
	fi

	# Workaround bug #213705. If krb5-config --libs has -lcrypto then pass
	# --with-ssl to ./configure. (Mimics code from acinclude.m4).
	if use kerberos; then
		case `krb5-config --libs` in
			*-lcrypto*) myconf="${myconf} --with-ssl" ;;
		esac
	fi

	# dumpcap requires libcap, setuid-install requires dumpcap
	econf $(use_enable gtk gtk2) \
		$(use_enable profile profile-build) \
		$(use_with gnutls) \
		$(use_with gcrypt) \
		$(use_enable gtk wireshark) \
		$(use_enable ipv6) \
		$(use_enable threads) \
		$(use_with lua) \
		$(use_with adns) \
		$(use_with kerberos krb5) \
		$(use_with smi libsmi) \
		$(use_with pcap) \
		$(use_with zlib) \
		$(use_with pcre) \
		$(use_with portaudio) \
		$(use_with caps libcap) \
		$(use_enable pcap setuid-install) \
		--sysconfdir=/etc/wireshark \
		${myconf} || die "econf failed"

	emake || die "emake failed"
}

src_install() {
	emake DESTDIR="${D}" install || die "emake install failed"

	fowners 0:wireshark /usr/bin/tshark
	fperms 6550 /usr/bin/tshark
	use pcap && fowners 0:wireshark /usr/bin/dumpcap
	use pcap && fperms 6550 /usr/bin/dumpcap

	insinto /usr/include/wiretap
	doins wiretap/wtap.h

	dodoc AUTHORS ChangeLog NEWS README*

	if use gtk ; then
		insinto /usr/share/icons/hicolor/16x16/apps
		newins image/hi16-app-wireshark.png wireshark.png
		insinto /usr/share/icons/hicolor/32x32/apps
		newins image/hi32-app-wireshark.png wireshark.png
		insinto /usr/share/icons/hicolor/48x48/apps
		newins image/hi48-app-wireshark.png wireshark.png
		insinto /usr/share/applications
		doins wireshark.desktop
	fi
}

pkg_postinst() {
	echo
	ewarn "With version 0.99.7, all function calls that require elevated privileges"
	ewarn "have been moved out of the GUI to dumpcap. WIRESHARK CONTAINS OVER ONE"
	ewarn "POINT FIVE MILLION LINES OF SOURCE CODE. DO NOT RUN THEM AS ROOT."
	ewarn
	ewarn "NOTE: To run wireshark as normal user you have to add yourself into"
	ewarn "wireshark group. This security measure ensures that only trusted"
	ewarn "users allowed to sniff your traffic."
	echo
}