# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6
inherit autotools eutils fcaps flag-o-matic multilib qmake-utils user

DESCRIPTION="A network protocol analyzer formerly known as ethereal"
HOMEPAGE="https://www.wireshark.org/"
SRC_URI="${HOMEPAGE}download/src/all-versions/${P/_/}.tar.bz2"

LICENSE="GPL-2"
SLOT="0/${PV}"
KEYWORDS="alpha"
IUSE="
	adns androiddump +caps ciscodump cpu_flags_x86_sse4_2 crypt doc doc-pdf
	geoip +gtk kerberos lua +netlink +pcap portaudio +qt5 sbc selinux smi
	libssh randpkt randpktdump sshdump ssl tfshark zlib
"
REQUIRED_USE="
	ciscodump? ( libssh )
	sshdump? ( libssh )
	ssl? ( crypt )
"

S=${WORKDIR}/${P/_/}

CDEPEND="
	>=dev-libs/glib-2.14:2
	netlink? ( dev-libs/libnl:3 )
	adns? ( >=net-dns/c-ares-1.5 )
	crypt? ( dev-libs/libgcrypt:0 )
	caps? ( sys-libs/libcap )
	geoip? ( dev-libs/geoip )
	gtk? (
		x11-libs/gdk-pixbuf
		x11-libs/gtk+:3
		x11-libs/pango
		x11-misc/xdg-utils
	)
	kerberos? ( virtual/krb5 )
	libssh? ( >=net-libs/libssh-0.6 )
	lua? ( >=dev-lang/lua-5.1:* )
	pcap? ( net-libs/libpcap )
	portaudio? ( media-libs/portaudio )
	qt5? (
		dev-qt/qtcore:5
		dev-qt/qtgui:5
		dev-qt/qtmultimedia:5
		dev-qt/qtprintsupport:5
		dev-qt/qtwidgets:5
		|| (
			media-libs/speexdsp
			<media-libs/speex-1.2.0
		)
		x11-misc/xdg-utils
	)
	sbc? ( media-libs/sbc )
	smi? ( net-libs/libsmi )
	ssl? ( net-libs/gnutls:= )
	zlib? ( sys-libs/zlib !=sys-libs/zlib-1.2.4 )
"
# We need perl for `pod2html`.  The rest of the perl stuff is to block older
# and broken installs. #455122
DEPEND="
	${CDEPEND}
	dev-lang/perl
	!<virtual/perl-Pod-Simple-3.170
	!<perl-core/Pod-Simple-3.170
	doc? (
		app-doc/doxygen
		app-text/asciidoc
		dev-libs/libxml2
		dev-libs/libxslt
		doc-pdf? ( dev-java/fop )
		www-client/lynx
	)
	qt5? (
		dev-qt/linguist-tools:5
	)
	sys-devel/bison
	sys-devel/flex
	virtual/pkgconfig
"
RDEPEND="
	${CDEPEND}
	gtk? ( virtual/freedesktop-icon-theme )
	qt5? ( virtual/freedesktop-icon-theme )
	selinux? ( sec-policy/selinux-wireshark )
"
PATCHES=(
	"${FILESDIR}"/${PN}-1.99.8-qtchooser.patch
	"${FILESDIR}"/${PN}-2.1.0-sse4_2-r1.patch
	"${FILESDIR}"/${PN}-99999999-androiddump.patch
)

pkg_setup() {
	enewgroup wireshark
}

src_prepare() {
	default

	eautoreconf
}

src_configure() {
	local myconf

	# 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*)
				ewarn "Kerberos was built with ssl support: linkage with openssl is enabled."
				ewarn "Note there are annoying license incompatibilities between the OpenSSL"
				ewarn "license and the GPL, so do your check before distributing such package."
				myconf+=( "--with-ssl" )
				;;
		esac
	fi

	# Enable wireshark binary with any supported GUI toolkit (bug #473188)
	if use gtk || use qt5; then
		myconf+=( "--enable-wireshark" )
	else
		myconf+=( "--disable-wireshark" )
	fi

	if ! use qt5; then
		myconf+=( "--with-qt=no" )
	fi

	if use qt5; then
		export QT_MIN_VERSION=5.3.0
		append-cxxflags -fPIC -DPIC
	fi

	# Hack around inability to disable doxygen/fop doc generation
	use doc || export ac_cv_prog_HAVE_DOXYGEN=false
	use doc-pdf || export ac_cv_prog_HAVE_FOP=false

	# dumpcap requires libcap
	# --disable-profile-build bugs #215806, #292991, #479602
	econf \
		$(use androiddump && use pcap && echo --enable-androiddump-use-libpcap=yes) \
		$(use_enable androiddump) \
		$(use_enable ciscodump) \
		$(use_enable randpkt) \
		$(use_enable randpktdump) \
		$(use_enable sshdump) \
		$(use_enable tfshark) \
		$(use_with adns c-ares) \
		$(use_with caps libcap) \
		$(use_with crypt gcrypt) \
		$(use_with geoip) \
		$(use_with gtk gtk 3) \
		$(use_with kerberos krb5) \
		$(use_with libssh ssh) \
		$(use_with lua) \
		$(use_with pcap dumpcap-group wireshark) \
		$(use_with pcap) \
		$(use_with portaudio) \
		$(use_with sbc) \
		$(use_with smi libsmi) \
		$(use_with ssl gnutls) \
		$(use_with zlib) \
		$(usex cpu_flags_x86_sse4_2 --enable-sse4_2 '') \
		$(usex netlink --with-libnl=3 --without-libnl) \
		$(usex qt5 --with-qt=5 '') \
		$(usex qt5 LRELEASE=$(qt5_get_bindir)/lrelease '') \
		$(usex qt5 MOC=$(qt5_get_bindir)/moc '') \
		$(usex qt5 RCC=$(qt5_get_bindir)/rcc '') \
		$(usex qt5 UIC=$(qt5_get_bindir)/uic '') \
		--disable-profile-build \
		--disable-warnings-as-errors \
		--sysconfdir="${EPREFIX}"/etc/wireshark \
		${myconf[@]}
}

src_compile() {
	default

	if use doc; then
		emake -j1 -C docbook
		if use doc-pdf; then
			addpredict "/root/.java"
			emake -C docbook all-pdf
		fi
	fi
}

src_install() {
	default

	# FAQ is not required as is installed from help/faq.txt
	dodoc AUTHORS ChangeLog NEWS README{,.bsd,.linux,.macos,.vmware} \
		doc/{randpkt.txt,README*}

	if use doc; then
		docinto /usr/share/doc/${PF}/html
		dodoc -r docbook/{release-notes.html,ws{d,u}g_html{,_chunked}}
		if use doc-pdf; then
			docinto /usr/share/doc/${PF}/pdf/
			dodoc docbook/{developer,user}-guide-{a4,us}.pdf docbook/release-notes.pdf
		fi
	fi

	# install headers
	local wsheader
	for wsheader in \
		config.h \
		epan/*.h \
		epan/crypt/*.h \
		epan/dfilter/*.h \
		epan/dissectors/*.h \
		epan/ftypes/*.h \
		epan/wmem/*.h \
		register.h \
		wiretap/*.h \
		ws_diag_control.h \
		ws_symbol_export.h \
		wsutil/*.h
	do
		insinto /usr/include/wireshark/$( dirname ${wsheader} )
		doins ${wsheader}
	done

	#with the above this really shouldn't be needed, but things may be looking in wiretap/ instead of wireshark/wiretap/
	insinto /usr/include/wiretap
	doins wiretap/wtap.h

	if use gtk || use qt5; then
		local c d
		for c in hi lo; do
			for d in 16 32 48; do
				insinto /usr/share/icons/${c}color/${d}x${d}/apps
				newins image/${c}${d}-app-wireshark.png wireshark.png
			done
		done
		for d in 16 24 32 48 64 128 256 ; do
			insinto /usr/share/icons/hicolor/${d}x${d}/mimetypes
			newins image/WiresharkDoc-${d}.png application-vnd.tcpdump.pcap.png
		done
	fi

	prune_libtool_files
}

pkg_postinst() {
	# Add group for users allowed to sniff.
	enewgroup wireshark

	if use pcap; then
		fcaps -o 0 -g wireshark -m 4710 -M 0710 \
			cap_dac_read_search,cap_net_raw,cap_net_admin \
			"${EROOT}"/usr/bin/dumpcap
	fi

	ewarn "NOTE: To capture traffic with wireshark as normal user you have to"
	ewarn "add yourself to the wireshark group. This security measure ensures"
	ewarn "that only trusted users are allowed to sniff your traffic."
}