From 6c8c54a1663246d42c8fda0de366a3078a02be13 Mon Sep 17 00:00:00 2001
From: Thomas Deutschmann <whissi@gentoo.org>
Date: Fri, 30 Mar 2018 00:41:57 +0200
Subject: [PATCH] app-antivirus/clamav: Make clamav work with >=zlib-1.2.9

..in addition, an automagic on dev-libs/check was fixed.

Closes: https://bugs.gentoo.org/649516
Package-Manager: Portage-2.3.26, Repoman-2.3.7
---
 app-antivirus/clamav/clamav-0.99.4-r1.ebuild  | 159 ++++++++++++++++++
 .../files/clamav-0.99.4-fix-newer-zlib.patch  |  54 ++++++
 2 files changed, 213 insertions(+)
 create mode 100644 app-antivirus/clamav/clamav-0.99.4-r1.ebuild
 create mode 100644 app-antivirus/clamav/files/clamav-0.99.4-fix-newer-zlib.patch

diff --git a/app-antivirus/clamav/clamav-0.99.4-r1.ebuild b/app-antivirus/clamav/clamav-0.99.4-r1.ebuild
new file mode 100644
index 000000000000..cee37d96b48b
--- /dev/null
+++ b/app-antivirus/clamav/clamav-0.99.4-r1.ebuild
@@ -0,0 +1,159 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit autotools eutils flag-o-matic user systemd
+
+DESCRIPTION="Clam Anti-Virus Scanner"
+HOMEPAGE="http://www.clamav.net/"
+SRC_URI="https://www.clamav.net/downloads/production/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~sparc-solaris ~x86-solaris"
+IUSE="bzip2 clamdtop iconv ipv6 libressl milter metadata-analysis-api selinux static-libs test uclibc"
+
+CDEPEND="bzip2? ( app-arch/bzip2 )
+	clamdtop? ( sys-libs/ncurses:0 )
+	iconv? ( virtual/libiconv )
+	metadata-analysis-api? ( dev-libs/json-c:= )
+	milter? ( || ( mail-filter/libmilter mail-mta/sendmail ) )
+	dev-libs/libtommath
+	>=sys-libs/zlib-1.2.2:=
+	!libressl? ( dev-libs/openssl:0= )
+	libressl? ( dev-libs/libressl:0= )
+	sys-devel/libtool
+	|| ( dev-libs/libpcre2 >dev-libs/libpcre-6 )
+	!!<app-antivirus/clamav-0.99"
+# hard block clamav < 0.99 due to linking problems Bug #567680
+# openssl is now *required* see this link as to why
+# http://blog.clamav.net/2014/02/introducing-openssl-as-dependency-to.html
+DEPEND="${CDEPEND}
+	virtual/pkgconfig
+	test? ( dev-libs/check )"
+RDEPEND="${CDEPEND}
+	selinux? ( sec-policy/selinux-clamav )"
+
+DOCS=( AUTHORS BUGS ChangeLog FAQ INSTALL NEWS README UPGRADE )
+PATCHES=(
+	"${FILESDIR}"/${PN}-0.99.4-fix-newer-zlib.patch
+	"${FILESDIR}/${P}-pcre2-compile-erroffset.patch"
+)
+
+pkg_setup() {
+	enewgroup clamav
+	enewuser clamav -1 -1 /dev/null clamav
+}
+
+src_prepare() {
+	default
+
+	eautoconf
+}
+
+src_configure() {
+	use ppc64 && append-flags -mminimal-toc
+	use uclibc && export ac_cv_type_error_t=yes
+
+	econf \
+		$(use_enable bzip2) \
+		$(use_enable clamdtop) \
+		$(use_enable ipv6) \
+		$(use_enable milter) \
+		$(use_enable static-libs static) \
+		$(use_enable test check) \
+		$(use_with iconv) \
+		$(use_with metadata-analysis-api libjson /usr) \
+		--cache-file="${S}"/config.cache \
+		--disable-experimental \
+		--disable-gcc-vcheck \
+		--disable-zlib-vcheck \
+		--enable-id-check \
+		--with-dbdir="${EPREFIX}"/var/lib/clamav \
+		--with-system-tommath \
+		--with-zlib="${EPREFIX}"/usr \
+		--disable-llvm
+}
+
+src_install() {
+	default
+
+	rm -rf "${ED}"/var/lib/clamav
+	newinitd "${FILESDIR}"/clamd.initd-r6 clamd
+	newconfd "${FILESDIR}"/clamd.conf-r1 clamd
+
+	systemd_dotmpfilesd "${FILESDIR}/tmpfiles.d/clamav.conf"
+	systemd_newunit "${FILESDIR}/clamd_at.service" "clamd@.service"
+	systemd_dounit "${FILESDIR}/clamd.service"
+	systemd_dounit "${FILESDIR}/freshclamd.service"
+
+	keepdir /var/lib/clamav
+	fowners clamav:clamav /var/lib/clamav
+	keepdir /var/log/clamav
+	fowners clamav:clamav /var/log/clamav
+
+	dodir /etc/logrotate.d
+	insinto /etc/logrotate.d
+	newins "${FILESDIR}"/clamav.logrotate clamav
+
+	# Modify /etc/{clamd,freshclam}.conf to be usable out of the box
+	sed -i -e "s:^\(Example\):\# \1:" \
+		-e "s:.*\(PidFile\) .*:\1 ${EPREFIX}/var/run/clamav/clamd.pid:" \
+		-e "s:.*\(LocalSocket\) .*:\1 ${EPREFIX}/var/run/clamav/clamd.sock:" \
+		-e "s:.*\(User\) .*:\1 clamav:" \
+		-e "s:^\#\(LogFile\) .*:\1 ${EPREFIX}/var/log/clamav/clamd.log:" \
+		-e "s:^\#\(LogTime\).*:\1 yes:" \
+		-e "s:^\#\(AllowSupplementaryGroups\).*:\1 yes:" \
+		"${ED}"/etc/clamd.conf.sample || die
+	sed -i -e "s:^\(Example\):\# \1:" \
+		-e "s:.*\(PidFile\) .*:\1 ${EPREFIX}/var/run/clamav/freshclam.pid:" \
+		-e "s:.*\(DatabaseOwner\) .*:\1 clamav:" \
+		-e "s:^\#\(UpdateLogFile\) .*:\1 ${EPREFIX}/var/log/clamav/freshclam.log:" \
+		-e "s:^\#\(NotifyClamd\).*:\1 ${EPREFIX}/etc/clamd.conf:" \
+		-e "s:^\#\(ScriptedUpdates\).*:\1 yes:" \
+		-e "s:^\#\(AllowSupplementaryGroups\).*:\1 yes:" \
+		"${ED}"/etc/freshclam.conf.sample || die
+
+	if use milter ; then
+		# MilterSocket one to include ' /' because there is a 2nd line for
+		# inet: which we want to leave
+		dodoc "${FILESDIR}"/clamav-milter.README.gentoo
+		sed -i -e "s:^\(Example\):\# \1:" \
+			-e "s:.*\(PidFile\) .*:\1 ${EPREFIX}/var/run/clamav/clamav-milter.pid:" \
+			-e "s+^\#\(ClamdSocket\) .*+\1 unix:${EPREFIX}/var/run/clamav/clamd.sock+" \
+			-e "s:.*\(User\) .*:\1 clamav:" \
+			-e "s+^\#\(MilterSocket\) /.*+\1 unix:${EPREFIX}/var/run/clamav/clamav-milter.sock+" \
+			-e "s:^\#\(AllowSupplementaryGroups\).*:\1 yes:" \
+			-e "s:^\#\(LogFile\) .*:\1 ${EPREFIX}/var/log/clamav/clamav-milter.log:" \
+			"${ED}"/etc/clamav-milter.conf.sample || die
+		cat >> "${ED}"/etc/conf.d/clamd <<-EOF
+			MILTER_NICELEVEL=19
+			START_MILTER=no
+		EOF
+
+		systemd_newunit "${FILESDIR}/clamav-milter.service-r1" clamav-milter.service
+	fi
+
+	for i in clamd freshclam clamav-milter
+	do
+		[[ -f "${D}"/etc/"${i}".conf.sample ]] && mv "${D}"/etc/"${i}".conf{.sample,}
+	done
+
+	prune_libtool_files --all
+}
+
+src_test() {
+	emake quick-check
+}
+
+pkg_postinst() {
+	if use milter ; then
+		elog "For simple instructions how to setup the clamav-milter read the"
+		elog "clamav-milter.README.gentoo in /usr/share/doc/${PF}"
+	fi
+	if test -z $(find "${ROOT}"var/lib/clamav -maxdepth 1 -name 'main.c*' -print -quit) ; then
+		ewarn "You must run freshclam manually to populate the virus database files"
+		ewarn "before starting clamav for the first time.\n"
+	fi
+}
diff --git a/app-antivirus/clamav/files/clamav-0.99.4-fix-newer-zlib.patch b/app-antivirus/clamav/files/clamav-0.99.4-fix-newer-zlib.patch
new file mode 100644
index 000000000000..18673419a584
--- /dev/null
+++ b/app-antivirus/clamav/files/clamav-0.99.4-fix-newer-zlib.patch
@@ -0,0 +1,54 @@
+https://bugs.gentoo.org/649516
+
+Description: fix compatibility with zlib 1.2.9 and newer
+Author: Marc Deslauriers <marc.deslauriers@canonical.com>
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/clamav/+bug/1692073
+
+Index: clamav-0.99.2+dfsg/libclamav/bytecode_api.c
+===================================================================
+--- clamav-0.99.2+dfsg.orig/libclamav/bytecode_api.c	2017-08-08 15:20:06.651685637 -0400
++++ clamav-0.99.2+dfsg/libclamav/bytecode_api.c	2017-08-15 15:45:14.645714766 -0400
+@@ -811,8 +811,20 @@ int32_t cli_bcapi_inflate_init(struct cl
+         cli_dbgmsg("bytecode api: inflate_init: invalid buffers!\n");
+         return -1;
+     }
+-    memset(&stream, 0, sizeof(stream));
+-    ret = inflateInit2(&stream, windowBits);
++
++    b = cli_realloc(ctx->inflates, sizeof(*ctx->inflates)*n);
++    if (!b) {
++        return -1;
++    }
++    ctx->inflates = b;
++    ctx->ninflates = n;
++    b = &b[n-1];
++
++    b->from = from;
++    b->to = to;
++    b->needSync = 0;
++    memset(&b->stream, 0, sizeof(stream));
++    ret = inflateInit2(&b->stream, windowBits);
+     switch (ret) {
+         case Z_MEM_ERROR:
+             cli_dbgmsg("bytecode api: inflateInit2: out of memory!\n");
+@@ -829,20 +841,6 @@ int32_t cli_bcapi_inflate_init(struct cl
+             cli_dbgmsg("bytecode api: inflateInit2: unknown error %d\n", ret);
+             return -1;
+     }
+-
+-    b = cli_realloc(ctx->inflates, sizeof(*ctx->inflates)*n);
+-    if (!b) {
+-        inflateEnd(&stream);
+-        return -1;
+-    }
+-    ctx->inflates = b;
+-    ctx->ninflates = n;
+-    b = &b[n-1];
+-
+-    b->from = from;
+-    b->to = to;
+-    b->needSync = 0;
+-    memcpy(&b->stream, &stream, sizeof(stream));
+     return n-1;
+ }
+ 
-- 
2.26.2