From 0b684bfbdff41cbaab1a6c1969c931a1670395d7 Mon Sep 17 00:00:00 2001
From: Thomas Deutschmann <whissi@gentoo.org>
Date: Fri, 23 Oct 2020 18:19:06 +0200
Subject: dev-libs/nss: always tolerate the first CCS in TLS 1.3

Bug: https://bugs.gentoo.org/750746
Package-Manager: Portage-3.0.8, Repoman-3.0.2
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
---
 ...8-always-tolerate-the-first-CCS-in-TLS1.3.patch | 111 +++++++
 dev-libs/nss/nss-3.58-r1.ebuild                    | 360 +++++++++++++++++++++
 dev-libs/nss/nss-3.58.ebuild                       | 359 --------------------
 3 files changed, 471 insertions(+), 359 deletions(-)
 create mode 100644 dev-libs/nss/files/nss-3.58-always-tolerate-the-first-CCS-in-TLS1.3.patch
 create mode 100644 dev-libs/nss/nss-3.58-r1.ebuild
 delete mode 100644 dev-libs/nss/nss-3.58.ebuild

diff --git a/dev-libs/nss/files/nss-3.58-always-tolerate-the-first-CCS-in-TLS1.3.patch b/dev-libs/nss/files/nss-3.58-always-tolerate-the-first-CCS-in-TLS1.3.patch
new file mode 100644
index 000000000000..f68b65c119c9
--- /dev/null
+++ b/dev-libs/nss/files/nss-3.58-always-tolerate-the-first-CCS-in-TLS1.3.patch
@@ -0,0 +1,111 @@
+https://bugzilla.mozilla.org/show_bug.cgi?id=1672703
+
+--- a/gtests/ssl_gtest/ssl_tls13compat_unittest.cc
++++ b/gtests/ssl_gtest/ssl_tls13compat_unittest.cc
+@@ -348,8 +348,8 @@
+   client_->CheckErrorCode(SSL_ERROR_HANDSHAKE_UNEXPECTED_ALERT);
+ }
+ 
+-// The server rejects a ChangeCipherSpec if the client advertises an
+-// empty session ID.
++// The server accepts a ChangeCipherSpec even if the client advertises
++// an empty session ID.
+ TEST_F(TlsConnectStreamTls13, ChangeCipherSpecAfterClientHelloEmptySid) {
+   EnsureTlsSetup();
+   ConfigureVersion(SSL_LIBRARY_VERSION_TLS_1_3);
+@@ -358,9 +358,8 @@
+   client_->Handshake();  // Send ClientHello
+   client_->SendDirect(DataBuffer(kCannedCcs, sizeof(kCannedCcs)));  // Send CCS
+ 
+-  server_->ExpectSendAlert(kTlsAlertUnexpectedMessage);
+-  server_->Handshake();  // Consume ClientHello and CCS
+-  server_->CheckErrorCode(SSL_ERROR_RX_MALFORMED_CHANGE_CIPHER);
++  Handshake();
++  CheckConnected();
+ }
+ 
+ // The server rejects multiple ChangeCipherSpec even if the client
+@@ -381,7 +380,7 @@
+   server_->CheckErrorCode(SSL_ERROR_RX_MALFORMED_CHANGE_CIPHER);
+ }
+ 
+-// The client rejects a ChangeCipherSpec if it advertises an empty
++// The client accepts a ChangeCipherSpec even if it advertises an empty
+ // session ID.
+ TEST_F(TlsConnectStreamTls13, ChangeCipherSpecAfterServerHelloEmptySid) {
+   EnsureTlsSetup();
+@@ -398,9 +397,10 @@
+                          // send ServerHello..CertificateVerify
+   // Send CCS
+   server_->SendDirect(DataBuffer(kCannedCcs, sizeof(kCannedCcs)));
+-  client_->ExpectSendAlert(kTlsAlertUnexpectedMessage);
+-  client_->Handshake();  // Consume ClientHello and CCS
+-  client_->CheckErrorCode(SSL_ERROR_RX_MALFORMED_CHANGE_CIPHER);
++
++  // No alert is sent from the client. As Finished is dropped, we
++  // can't use Handshake() and CheckConnected().
++  client_->Handshake();
+ }
+ 
+ // The client rejects multiple ChangeCipherSpec in a row even if the
+--- a/lib/ssl/ssl3con.c
++++ b/lib/ssl/ssl3con.c
+@@ -6645,11 +6645,7 @@
+ 
+     /* TLS 1.3: We sent a session ID.  The server's should match. */
+     if (!IS_DTLS(ss) && (sentRealSid || sentFakeSid)) {
+-        if (sidMatch) {
+-            ss->ssl3.hs.allowCcs = PR_TRUE;
+-            return PR_TRUE;
+-        }
+-        return PR_FALSE;
++        return sidMatch;
+     }
+ 
+     /* TLS 1.3 (no SID)/DTLS 1.3: The server shouldn't send a session ID. */
+@@ -8696,7 +8692,6 @@
+                 errCode = PORT_GetError();
+                 goto alert_loser;
+             }
+-            ss->ssl3.hs.allowCcs = PR_TRUE;
+         }
+ 
+         /* TLS 1.3 requires that compression include only null. */
+@@ -13066,15 +13061,14 @@
+             ss->ssl3.hs.ws != idle_handshake &&
+             cText->buf->len == 1 &&
+             cText->buf->buf[0] == change_cipher_spec_choice) {
+-            if (ss->ssl3.hs.allowCcs) {
+-                /* Ignore the first CCS. */
+-                ss->ssl3.hs.allowCcs = PR_FALSE;
++            if (!ss->ssl3.hs.rejectCcs) {
++                /* Allow only the first CCS. */
++                ss->ssl3.hs.rejectCcs = PR_TRUE;
+                 return SECSuccess;
+-            }
+-
+-            /* Compatibility mode is not negotiated. */
+-            alert = unexpected_message;
+-            PORT_SetError(SSL_ERROR_RX_MALFORMED_CHANGE_CIPHER);
++            } else {
++                alert = unexpected_message;
++                PORT_SetError(SSL_ERROR_RX_MALFORMED_CHANGE_CIPHER);
++            }
+         }
+ 
+         if ((IS_DTLS(ss) && !dtls13_AeadLimitReached(spec)) ||
+--- a/lib/ssl/sslimpl.h
++++ b/lib/ssl/sslimpl.h
+@@ -710,10 +710,7 @@
+                                            * or received. */
+     PRBool receivedCcs;                   /* A server received ChangeCipherSpec
+                                            * before the handshake started. */
+-    PRBool allowCcs;                      /* A server allows ChangeCipherSpec
+-                                           * as the middlebox compatibility mode
+-                                           * is explicitly indicarted by
+-                                           * legacy_session_id in TLS 1.3 ClientHello. */
++    PRBool rejectCcs;                     /* Excessive ChangeCipherSpecs are rejected. */
+     PRBool clientCertRequested;           /* True if CertificateRequest received. */
+     PRBool endOfFlight;                   /* Processed a full flight (DTLS 1.3). */
+     ssl3KEADef kea_def_mutable;           /* Used to hold the writable kea_def
+
diff --git a/dev-libs/nss/nss-3.58-r1.ebuild b/dev-libs/nss/nss-3.58-r1.ebuild
new file mode 100644
index 000000000000..9fd661309555
--- /dev/null
+++ b/dev-libs/nss/nss-3.58-r1.ebuild
@@ -0,0 +1,360 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit flag-o-matic multilib toolchain-funcs multilib-minimal
+
+NSPR_VER="4.29"
+RTM_NAME="NSS_${PV//./_}_RTM"
+
+DESCRIPTION="Mozilla's Network Security Services library that implements PKI support"
+HOMEPAGE="https://www.mozilla.org/projects/security/pki/nss/"
+SRC_URI="https://archive.mozilla.org/pub/security/nss/releases/${RTM_NAME}/src/${P}.tar.gz
+	cacert? ( https://dev.gentoo.org/~axs/distfiles/${PN}-cacert-class1-class3.patch )"
+
+LICENSE="|| ( MPL-2.0 GPL-2 LGPL-2.1 )"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~x86-macos ~sparc-solaris ~x64-solaris ~x86-solaris"
+IUSE="cacert utils"
+# pkg-config called by nss-config -> virtual/pkgconfig in RDEPEND
+RDEPEND="
+	>=dev-libs/nspr-${NSPR_VER}[${MULTILIB_USEDEP}]
+	>=dev-db/sqlite-3.8.2[${MULTILIB_USEDEP}]
+	>=sys-libs/zlib-1.2.8-r1[${MULTILIB_USEDEP}]
+	virtual/pkgconfig
+"
+DEPEND="${RDEPEND}"
+
+RESTRICT="test"
+
+S="${WORKDIR}/${P}/${PN}"
+
+MULTILIB_CHOST_TOOLS=(
+	/usr/bin/nss-config
+)
+
+PATCHES=(
+	# Custom changes for gentoo
+	"${FILESDIR}/${PN}-3.53-gentoo-fixups.patch"
+	"${FILESDIR}/${PN}-3.21-gentoo-fixup-warnings.patch"
+	"${FILESDIR}/${PN}-3.23-hppa-byte_order.patch"
+	"${FILESDIR}/${PN}-3.53-fix-building-on-ppc.patch"
+	"${FILESDIR}/${PN}-3.58-always-tolerate-the-first-CCS-in-TLS1.3.patch"
+)
+
+src_prepare() {
+	if use cacert ; then #521462
+		PATCHES+=(
+			"${DISTDIR}/${PN}-cacert-class1-class3.patch"
+		)
+	fi
+
+	default
+
+	pushd coreconf >/dev/null || die
+	# hack nspr paths
+	echo 'INCLUDES += -I$(DIST)/include/dbm' \
+		>> headers.mk || die "failed to append include"
+
+	# modify install path
+	sed -e '/CORE_DEPTH/s:SOURCE_PREFIX.*$:SOURCE_PREFIX = $(CORE_DEPTH)/dist:' \
+		-i source.mk || die
+
+	# Respect LDFLAGS
+	sed -i -e 's/\$(MKSHLIB) -o/\$(MKSHLIB) \$(LDFLAGS) -o/g' rules.mk
+	popd >/dev/null || die
+
+	# Fix pkgconfig file for Prefix
+	sed -i -e "/^PREFIX =/s:= /usr:= ${EPREFIX}/usr:" \
+		config/Makefile || die
+
+	# use host shlibsign if need be #436216
+	if tc-is-cross-compiler ; then
+		sed -i \
+			-e 's:"${2}"/shlibsign:shlibsign:' \
+			cmd/shlibsign/sign.sh || die
+	fi
+
+	# dirty hack
+	sed -i -e "/CRYPTOLIB/s:\$(SOFTOKEN_LIB_DIR):../freebl/\$(OBJDIR):" \
+		lib/ssl/config.mk || die
+	sed -i -e "/CRYPTOLIB/s:\$(SOFTOKEN_LIB_DIR):../../lib/freebl/\$(OBJDIR):" \
+		cmd/platlibs.mk || die
+
+	multilib_copy_sources
+
+	strip-flags
+}
+
+multilib_src_configure() {
+	# Ensure we stay multilib aware
+	sed -i -e "/@libdir@/ s:lib64:$(get_libdir):" config/Makefile || die
+}
+
+nssarch() {
+	# Most of the arches are the same as $ARCH
+	local t=${1:-${CHOST}}
+	case ${t} in
+		aarch64*)echo "aarch64";;
+		hppa*)   echo "parisc";;
+		i?86*)   echo "i686";;
+		x86_64*) echo "x86_64";;
+		*)       tc-arch ${t};;
+	esac
+}
+
+nssbits() {
+	local cc cppflags="${1}CPPFLAGS" cflags="${1}CFLAGS"
+	if [[ ${1} == BUILD_ ]]; then
+		cc=$(tc-getBUILD_CC)
+	else
+		cc=$(tc-getCC)
+	fi
+	echo > "${T}"/test.c || die
+	${cc} ${!cppflags} ${!cflags} -c "${T}"/test.c -o "${T}/${1}test.o" || die
+	case $(file "${T}/${1}test.o") in
+		*32-bit*x86-64*) echo USE_X32=1;;
+		*64-bit*|*ppc64*|*x86_64*) echo USE_64=1;;
+		*32-bit*|*ppc*|*i386*) ;;
+		*) die "Failed to detect whether ${cc} builds 64bits or 32bits, disable distcc if you're using it, please";;
+	esac
+}
+
+multilib_src_compile() {
+	# use ABI to determine bit'ness, or fallback if unset
+	local buildbits mybits
+	case "${ABI}" in
+		n32) mybits="USE_N32=1";;
+		x32) mybits="USE_X32=1";;
+		s390x|*64) mybits="USE_64=1";;
+		${DEFAULT_ABI})
+			einfo "Running compilation test to determine bit'ness"
+			mybits=$(nssbits)
+			;;
+	esac
+	# bitness of host may differ from target
+	if tc-is-cross-compiler; then
+		buildbits=$(nssbits BUILD_)
+	fi
+
+	local makeargs=(
+		CC="$(tc-getCC)"
+		CCC="$(tc-getCXX)"
+		AR="$(tc-getAR) rc \$@"
+		RANLIB="$(tc-getRANLIB)"
+		OPTIMIZER=
+		${mybits}
+	)
+
+	# Take care of nspr settings #436216
+	local myCPPFLAGS="${CPPFLAGS} $($(tc-getPKG_CONFIG) nspr --cflags)"
+	unset NSPR_INCLUDE_DIR
+
+	export NSS_ALLOW_SSLKEYLOGFILE=1
+	export NSS_ENABLE_WERROR=0 #567158
+	export BUILD_OPT=1
+	export NSS_USE_SYSTEM_SQLITE=1
+	export NSDISTMODE=copy
+	export FREEBL_NO_DEPEND=1
+	export FREEBL_LOWHASH=1
+	export NSS_SEED_ONLY_DEV_URANDOM=1
+	export USE_SYSTEM_ZLIB=1
+	export ZLIB_LIBS=-lz
+	export ASFLAGS=""
+	# Fix build failure on arm64
+	export NS_USE_GCC=1
+	# Detect compiler type and set proper environment value
+	if tc-is-gcc; then
+		export CC_IS_GCC=1
+	elif tc-is-clang; then
+		export CC_IS_CLANG=1
+	fi
+
+	local d
+
+	# Build the host tools first.
+	LDFLAGS="${BUILD_LDFLAGS}" \
+	XCFLAGS="${BUILD_CFLAGS}" \
+	NSPR_LIB_DIR="${T}/fakedir" \
+	emake -j1 -C coreconf \
+		CC="$(tc-getBUILD_CC)" \
+		${buildbits-${mybits}}
+	makeargs+=( NSINSTALL="${PWD}/$(find -type f -name nsinstall)" )
+
+	# Then build the target tools.
+	for d in . lib/dbm ; do
+		CPPFLAGS="${myCPPFLAGS}" \
+		XCFLAGS="${CFLAGS} ${CPPFLAGS}" \
+		NSPR_LIB_DIR="${T}/fakedir" \
+		emake -j1 "${makeargs[@]}" -C ${d} OS_TEST="$(nssarch)"
+	done
+}
+
+# Altering these 3 libraries breaks the CHK verification.
+# All of the following cause it to break:
+# - stripping
+# - prelink
+# - ELF signing
+# http://www.mozilla.org/projects/security/pki/nss/tech-notes/tn6.html
+# Either we have to NOT strip them, or we have to forcibly resign after
+# stripping.
+#local_libdir="$(get_libdir)"
+#export STRIP_MASK="
+#	*/${local_libdir}/libfreebl3.so*
+#	*/${local_libdir}/libnssdbm3.so*
+#	*/${local_libdir}/libsoftokn3.so*"
+
+export NSS_CHK_SIGN_LIBS="freebl3 nssdbm3 softokn3"
+
+generate_chk() {
+	local shlibsign="$1"
+	local libdir="$2"
+	einfo "Resigning core NSS libraries for FIPS validation"
+	shift 2
+	local i
+	for i in ${NSS_CHK_SIGN_LIBS} ; do
+		local libname=lib${i}.so
+		local chkname=lib${i}.chk
+		"${shlibsign}" \
+			-i "${libdir}"/${libname} \
+			-o "${libdir}"/${chkname}.tmp \
+		&& mv -f \
+			"${libdir}"/${chkname}.tmp \
+			"${libdir}"/${chkname} \
+		|| die "Failed to sign ${libname}"
+	done
+}
+
+cleanup_chk() {
+	local libdir="$1"
+	shift 1
+	local i
+	for i in ${NSS_CHK_SIGN_LIBS} ; do
+		local libfname="${libdir}/lib${i}.so"
+		# If the major version has changed, then we have old chk files.
+		[ ! -f "${libfname}" -a -f "${libfname}.chk" ] \
+			&& rm -f "${libfname}.chk"
+	done
+}
+
+multilib_src_install() {
+	pushd dist >/dev/null || die
+
+	dodir /usr/$(get_libdir)
+	cp -L */lib/*$(get_libname) "${ED}"/usr/$(get_libdir) || die "copying shared libs failed"
+	local i
+	for i in crmf freebl nssb nssckfw ; do
+		cp -L */lib/lib${i}.a "${ED}"/usr/$(get_libdir) || die "copying libs failed"
+	done
+
+	# Install nss-config and pkgconfig file
+	dodir /usr/bin
+	cp -L */bin/nss-config "${ED}"/usr/bin || die
+	dodir /usr/$(get_libdir)/pkgconfig
+	cp -L */lib/pkgconfig/nss.pc "${ED}"/usr/$(get_libdir)/pkgconfig || die
+
+	# create an nss-softokn.pc from nss.pc for libfreebl and some private headers
+	# bug 517266
+	sed 	-e 's#Libs:#Libs: -lfreebl#' \
+		-e 's#Cflags:#Cflags: -I${includedir}/private#' \
+		*/lib/pkgconfig/nss.pc >"${ED}"/usr/$(get_libdir)/pkgconfig/nss-softokn.pc \
+		|| die "could not create nss-softokn.pc"
+
+	# all the include files
+	insinto /usr/include/nss
+	doins public/nss/*.{h,api}
+	insinto /usr/include/nss/private
+	doins private/nss/{blapi,alghmac,cmac}.h
+
+	popd >/dev/null || die
+
+	local f nssutils
+	# Always enabled because we need it for chk generation.
+	nssutils=( shlibsign )
+
+	if multilib_is_native_abi ; then
+		if use utils; then
+			# The tests we do not need to install.
+			#nssutils_test="bltest crmftest dbtest dertimetest
+			#fipstest remtest sdrtest"
+			# checkcert utils has been removed in nss-3.22:
+			# https://bugzilla.mozilla.org/show_bug.cgi?id=1187545
+			# https://hg.mozilla.org/projects/nss/rev/df1729d37870
+			# certcgi has been removed in nss-3.36:
+			# https://bugzilla.mozilla.org/show_bug.cgi?id=1426602
+			nssutils+=(
+				addbuiltin
+				atob
+				baddbdir
+				btoa
+				certutil
+				cmsutil
+				conflict
+				crlutil
+				derdump
+				digest
+				makepqg
+				mangle
+				modutil
+				multinit
+				nonspr10
+				ocspclnt
+				oidcalc
+				p7content
+				p7env
+				p7sign
+				p7verify
+				pk11mode
+				pk12util
+				pp
+				rsaperf
+				selfserv
+				signtool
+				signver
+				ssltap
+				strsclnt
+				symkeyutil
+				tstclnt
+				vfychain
+				vfyserv
+			)
+			# install man-pages for utils (bug #516810)
+			doman doc/nroff/*.1
+		fi
+		pushd dist/*/bin >/dev/null || die
+		for f in ${nssutils[@]}; do
+			dobin ${f}
+		done
+		popd >/dev/null || die
+	fi
+
+	# Prelink breaks the CHK files. We don't have any reliable way to run
+	# shlibsign after prelink.
+	dodir /etc/prelink.conf.d
+	printf -- "-b ${EPREFIX}/usr/$(get_libdir)/lib%s.so\n" ${NSS_CHK_SIGN_LIBS} \
+		> "${ED}"/etc/prelink.conf.d/nss.conf
+}
+
+pkg_postinst() {
+	multilib_pkg_postinst() {
+		# We must re-sign the libraries AFTER they are stripped.
+		local shlibsign="${EROOT}/usr/bin/shlibsign"
+		# See if we can execute it (cross-compiling & such). #436216
+		"${shlibsign}" -h >&/dev/null
+		if [[ $? -gt 1 ]] ; then
+			shlibsign="shlibsign"
+		fi
+		generate_chk "${shlibsign}" "${EROOT}"/usr/$(get_libdir)
+	}
+
+	multilib_foreach_abi multilib_pkg_postinst
+}
+
+pkg_postrm() {
+	multilib_pkg_postrm() {
+		cleanup_chk "${EROOT}"/usr/$(get_libdir)
+	}
+
+	multilib_foreach_abi multilib_pkg_postrm
+}
diff --git a/dev-libs/nss/nss-3.58.ebuild b/dev-libs/nss/nss-3.58.ebuild
deleted file mode 100644
index 37ab7c58696f..000000000000
--- a/dev-libs/nss/nss-3.58.ebuild
+++ /dev/null
@@ -1,359 +0,0 @@
-# Copyright 1999-2020 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-inherit flag-o-matic multilib toolchain-funcs multilib-minimal
-
-NSPR_VER="4.29"
-RTM_NAME="NSS_${PV//./_}_RTM"
-
-DESCRIPTION="Mozilla's Network Security Services library that implements PKI support"
-HOMEPAGE="https://www.mozilla.org/projects/security/pki/nss/"
-SRC_URI="https://archive.mozilla.org/pub/security/nss/releases/${RTM_NAME}/src/${P}.tar.gz
-	cacert? ( https://dev.gentoo.org/~axs/distfiles/${PN}-cacert-class1-class3.patch )"
-
-LICENSE="|| ( MPL-2.0 GPL-2 LGPL-2.1 )"
-SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~x86-macos ~sparc-solaris ~x64-solaris ~x86-solaris"
-IUSE="cacert utils"
-# pkg-config called by nss-config -> virtual/pkgconfig in RDEPEND
-RDEPEND="
-	>=dev-libs/nspr-${NSPR_VER}[${MULTILIB_USEDEP}]
-	>=dev-db/sqlite-3.8.2[${MULTILIB_USEDEP}]
-	>=sys-libs/zlib-1.2.8-r1[${MULTILIB_USEDEP}]
-	virtual/pkgconfig
-"
-DEPEND="${RDEPEND}"
-
-RESTRICT="test"
-
-S="${WORKDIR}/${P}/${PN}"
-
-MULTILIB_CHOST_TOOLS=(
-	/usr/bin/nss-config
-)
-
-PATCHES=(
-	# Custom changes for gentoo
-	"${FILESDIR}/${PN}-3.53-gentoo-fixups.patch"
-	"${FILESDIR}/${PN}-3.21-gentoo-fixup-warnings.patch"
-	"${FILESDIR}/${PN}-3.23-hppa-byte_order.patch"
-	"${FILESDIR}/${PN}-3.53-fix-building-on-ppc.patch"
-)
-
-src_prepare() {
-	if use cacert ; then #521462
-		PATCHES+=(
-			"${DISTDIR}/${PN}-cacert-class1-class3.patch"
-		)
-	fi
-
-	default
-
-	pushd coreconf >/dev/null || die
-	# hack nspr paths
-	echo 'INCLUDES += -I$(DIST)/include/dbm' \
-		>> headers.mk || die "failed to append include"
-
-	# modify install path
-	sed -e '/CORE_DEPTH/s:SOURCE_PREFIX.*$:SOURCE_PREFIX = $(CORE_DEPTH)/dist:' \
-		-i source.mk || die
-
-	# Respect LDFLAGS
-	sed -i -e 's/\$(MKSHLIB) -o/\$(MKSHLIB) \$(LDFLAGS) -o/g' rules.mk
-	popd >/dev/null || die
-
-	# Fix pkgconfig file for Prefix
-	sed -i -e "/^PREFIX =/s:= /usr:= ${EPREFIX}/usr:" \
-		config/Makefile || die
-
-	# use host shlibsign if need be #436216
-	if tc-is-cross-compiler ; then
-		sed -i \
-			-e 's:"${2}"/shlibsign:shlibsign:' \
-			cmd/shlibsign/sign.sh || die
-	fi
-
-	# dirty hack
-	sed -i -e "/CRYPTOLIB/s:\$(SOFTOKEN_LIB_DIR):../freebl/\$(OBJDIR):" \
-		lib/ssl/config.mk || die
-	sed -i -e "/CRYPTOLIB/s:\$(SOFTOKEN_LIB_DIR):../../lib/freebl/\$(OBJDIR):" \
-		cmd/platlibs.mk || die
-
-	multilib_copy_sources
-
-	strip-flags
-}
-
-multilib_src_configure() {
-	# Ensure we stay multilib aware
-	sed -i -e "/@libdir@/ s:lib64:$(get_libdir):" config/Makefile || die
-}
-
-nssarch() {
-	# Most of the arches are the same as $ARCH
-	local t=${1:-${CHOST}}
-	case ${t} in
-		aarch64*)echo "aarch64";;
-		hppa*)   echo "parisc";;
-		i?86*)   echo "i686";;
-		x86_64*) echo "x86_64";;
-		*)       tc-arch ${t};;
-	esac
-}
-
-nssbits() {
-	local cc cppflags="${1}CPPFLAGS" cflags="${1}CFLAGS"
-	if [[ ${1} == BUILD_ ]]; then
-		cc=$(tc-getBUILD_CC)
-	else
-		cc=$(tc-getCC)
-	fi
-	echo > "${T}"/test.c || die
-	${cc} ${!cppflags} ${!cflags} -c "${T}"/test.c -o "${T}/${1}test.o" || die
-	case $(file "${T}/${1}test.o") in
-		*32-bit*x86-64*) echo USE_X32=1;;
-		*64-bit*|*ppc64*|*x86_64*) echo USE_64=1;;
-		*32-bit*|*ppc*|*i386*) ;;
-		*) die "Failed to detect whether ${cc} builds 64bits or 32bits, disable distcc if you're using it, please";;
-	esac
-}
-
-multilib_src_compile() {
-	# use ABI to determine bit'ness, or fallback if unset
-	local buildbits mybits
-	case "${ABI}" in
-		n32) mybits="USE_N32=1";;
-		x32) mybits="USE_X32=1";;
-		s390x|*64) mybits="USE_64=1";;
-		${DEFAULT_ABI})
-			einfo "Running compilation test to determine bit'ness"
-			mybits=$(nssbits)
-			;;
-	esac
-	# bitness of host may differ from target
-	if tc-is-cross-compiler; then
-		buildbits=$(nssbits BUILD_)
-	fi
-
-	local makeargs=(
-		CC="$(tc-getCC)"
-		CCC="$(tc-getCXX)"
-		AR="$(tc-getAR) rc \$@"
-		RANLIB="$(tc-getRANLIB)"
-		OPTIMIZER=
-		${mybits}
-	)
-
-	# Take care of nspr settings #436216
-	local myCPPFLAGS="${CPPFLAGS} $($(tc-getPKG_CONFIG) nspr --cflags)"
-	unset NSPR_INCLUDE_DIR
-
-	export NSS_ALLOW_SSLKEYLOGFILE=1
-	export NSS_ENABLE_WERROR=0 #567158
-	export BUILD_OPT=1
-	export NSS_USE_SYSTEM_SQLITE=1
-	export NSDISTMODE=copy
-	export FREEBL_NO_DEPEND=1
-	export FREEBL_LOWHASH=1
-	export NSS_SEED_ONLY_DEV_URANDOM=1
-	export USE_SYSTEM_ZLIB=1
-	export ZLIB_LIBS=-lz
-	export ASFLAGS=""
-	# Fix build failure on arm64
-	export NS_USE_GCC=1
-	# Detect compiler type and set proper environment value
-	if tc-is-gcc; then
-		export CC_IS_GCC=1
-	elif tc-is-clang; then
-		export CC_IS_CLANG=1
-	fi
-
-	local d
-
-	# Build the host tools first.
-	LDFLAGS="${BUILD_LDFLAGS}" \
-	XCFLAGS="${BUILD_CFLAGS}" \
-	NSPR_LIB_DIR="${T}/fakedir" \
-	emake -j1 -C coreconf \
-		CC="$(tc-getBUILD_CC)" \
-		${buildbits-${mybits}}
-	makeargs+=( NSINSTALL="${PWD}/$(find -type f -name nsinstall)" )
-
-	# Then build the target tools.
-	for d in . lib/dbm ; do
-		CPPFLAGS="${myCPPFLAGS}" \
-		XCFLAGS="${CFLAGS} ${CPPFLAGS}" \
-		NSPR_LIB_DIR="${T}/fakedir" \
-		emake -j1 "${makeargs[@]}" -C ${d} OS_TEST="$(nssarch)"
-	done
-}
-
-# Altering these 3 libraries breaks the CHK verification.
-# All of the following cause it to break:
-# - stripping
-# - prelink
-# - ELF signing
-# http://www.mozilla.org/projects/security/pki/nss/tech-notes/tn6.html
-# Either we have to NOT strip them, or we have to forcibly resign after
-# stripping.
-#local_libdir="$(get_libdir)"
-#export STRIP_MASK="
-#	*/${local_libdir}/libfreebl3.so*
-#	*/${local_libdir}/libnssdbm3.so*
-#	*/${local_libdir}/libsoftokn3.so*"
-
-export NSS_CHK_SIGN_LIBS="freebl3 nssdbm3 softokn3"
-
-generate_chk() {
-	local shlibsign="$1"
-	local libdir="$2"
-	einfo "Resigning core NSS libraries for FIPS validation"
-	shift 2
-	local i
-	for i in ${NSS_CHK_SIGN_LIBS} ; do
-		local libname=lib${i}.so
-		local chkname=lib${i}.chk
-		"${shlibsign}" \
-			-i "${libdir}"/${libname} \
-			-o "${libdir}"/${chkname}.tmp \
-		&& mv -f \
-			"${libdir}"/${chkname}.tmp \
-			"${libdir}"/${chkname} \
-		|| die "Failed to sign ${libname}"
-	done
-}
-
-cleanup_chk() {
-	local libdir="$1"
-	shift 1
-	local i
-	for i in ${NSS_CHK_SIGN_LIBS} ; do
-		local libfname="${libdir}/lib${i}.so"
-		# If the major version has changed, then we have old chk files.
-		[ ! -f "${libfname}" -a -f "${libfname}.chk" ] \
-			&& rm -f "${libfname}.chk"
-	done
-}
-
-multilib_src_install() {
-	pushd dist >/dev/null || die
-
-	dodir /usr/$(get_libdir)
-	cp -L */lib/*$(get_libname) "${ED}"/usr/$(get_libdir) || die "copying shared libs failed"
-	local i
-	for i in crmf freebl nssb nssckfw ; do
-		cp -L */lib/lib${i}.a "${ED}"/usr/$(get_libdir) || die "copying libs failed"
-	done
-
-	# Install nss-config and pkgconfig file
-	dodir /usr/bin
-	cp -L */bin/nss-config "${ED}"/usr/bin || die
-	dodir /usr/$(get_libdir)/pkgconfig
-	cp -L */lib/pkgconfig/nss.pc "${ED}"/usr/$(get_libdir)/pkgconfig || die
-
-	# create an nss-softokn.pc from nss.pc for libfreebl and some private headers
-	# bug 517266
-	sed 	-e 's#Libs:#Libs: -lfreebl#' \
-		-e 's#Cflags:#Cflags: -I${includedir}/private#' \
-		*/lib/pkgconfig/nss.pc >"${ED}"/usr/$(get_libdir)/pkgconfig/nss-softokn.pc \
-		|| die "could not create nss-softokn.pc"
-
-	# all the include files
-	insinto /usr/include/nss
-	doins public/nss/*.{h,api}
-	insinto /usr/include/nss/private
-	doins private/nss/{blapi,alghmac,cmac}.h
-
-	popd >/dev/null || die
-
-	local f nssutils
-	# Always enabled because we need it for chk generation.
-	nssutils=( shlibsign )
-
-	if multilib_is_native_abi ; then
-		if use utils; then
-			# The tests we do not need to install.
-			#nssutils_test="bltest crmftest dbtest dertimetest
-			#fipstest remtest sdrtest"
-			# checkcert utils has been removed in nss-3.22:
-			# https://bugzilla.mozilla.org/show_bug.cgi?id=1187545
-			# https://hg.mozilla.org/projects/nss/rev/df1729d37870
-			# certcgi has been removed in nss-3.36:
-			# https://bugzilla.mozilla.org/show_bug.cgi?id=1426602
-			nssutils+=(
-				addbuiltin
-				atob
-				baddbdir
-				btoa
-				certutil
-				cmsutil
-				conflict
-				crlutil
-				derdump
-				digest
-				makepqg
-				mangle
-				modutil
-				multinit
-				nonspr10
-				ocspclnt
-				oidcalc
-				p7content
-				p7env
-				p7sign
-				p7verify
-				pk11mode
-				pk12util
-				pp
-				rsaperf
-				selfserv
-				signtool
-				signver
-				ssltap
-				strsclnt
-				symkeyutil
-				tstclnt
-				vfychain
-				vfyserv
-			)
-			# install man-pages for utils (bug #516810)
-			doman doc/nroff/*.1
-		fi
-		pushd dist/*/bin >/dev/null || die
-		for f in ${nssutils[@]}; do
-			dobin ${f}
-		done
-		popd >/dev/null || die
-	fi
-
-	# Prelink breaks the CHK files. We don't have any reliable way to run
-	# shlibsign after prelink.
-	dodir /etc/prelink.conf.d
-	printf -- "-b ${EPREFIX}/usr/$(get_libdir)/lib%s.so\n" ${NSS_CHK_SIGN_LIBS} \
-		> "${ED}"/etc/prelink.conf.d/nss.conf
-}
-
-pkg_postinst() {
-	multilib_pkg_postinst() {
-		# We must re-sign the libraries AFTER they are stripped.
-		local shlibsign="${EROOT}/usr/bin/shlibsign"
-		# See if we can execute it (cross-compiling & such). #436216
-		"${shlibsign}" -h >&/dev/null
-		if [[ $? -gt 1 ]] ; then
-			shlibsign="shlibsign"
-		fi
-		generate_chk "${shlibsign}" "${EROOT}"/usr/$(get_libdir)
-	}
-
-	multilib_foreach_abi multilib_pkg_postinst
-}
-
-pkg_postrm() {
-	multilib_pkg_postrm() {
-		cleanup_chk "${EROOT}"/usr/$(get_libdir)
-	}
-
-	multilib_foreach_abi multilib_pkg_postrm
-}
-- 
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