net-misc/curl: add 7.88.1-r2

cURL attempts to resolve .onion tlds and depending on USE flags
may leak that you're using Tor.

This commit adds the upstream patch for RFC7686 compliance a
little early as it may not make the next cURL release.

Closes: https://bugs.gentoo.org/887287

Signed-off-by: Matt Jolly <Matt.Jolly@footclan.ninja>
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 439 insertions, 0 deletions

diff --git a/net-misc/curl/curl-7.88.1-r2.ebuild b/net-misc/curl/curl-7.88.1-r2.ebuild
new file mode 100644
index 000000000000..d1a2c5b2213a
--- /dev/null
+++ b/net-misc/curl/curl-7.88.1-r2.ebuild
@@ -0,0 +1,307 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="8"
+
+inherit autotools multilib-minimal prefix verify-sig
+
+DESCRIPTION="A Client that groks URLs"
+HOMEPAGE="https://curl.se/"
+SRC_URI="https://curl.se/download/${P}.tar.xz
+	verify-sig? ( https://curl.se/download/${P}.tar.xz.asc )"
+
+LICENSE="curl"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="+adns alt-svc brotli +ftp gnutls gopher hsts +http2 idn +imap kerberos ldap mbedtls nss +openssl +pop3 +progress-meter rtmp rustls samba +smtp ssh ssl sslv3 static-libs test telnet +tftp websockets zstd"
+IUSE+=" curl_ssl_gnutls curl_ssl_mbedtls curl_ssl_nss +curl_ssl_openssl curl_ssl_rustls"
+IUSE+=" nghttp3"
+VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/danielstenberg.asc
+
+#Only one default ssl provider can be enabled
+REQUIRED_USE="
+	ssl? (
+		^^ (
+			curl_ssl_gnutls
+			curl_ssl_mbedtls
+			curl_ssl_nss
+			curl_ssl_openssl
+			curl_ssl_rustls
+		)
+	)"
+
+# lead to lots of false negatives, bug #285669
+RESTRICT="!test? ( test )"
+
+RDEPEND="ldap? ( net-nds/openldap:=[${MULTILIB_USEDEP}] )
+	brotli? ( app-arch/brotli:=[${MULTILIB_USEDEP}] )
+	ssl? (
+		gnutls? (
+			net-libs/gnutls:=[static-libs?,${MULTILIB_USEDEP}]
+			dev-libs/nettle:=[${MULTILIB_USEDEP}]
+			app-misc/ca-certificates
+		)
+		mbedtls? (
+			net-libs/mbedtls:=[${MULTILIB_USEDEP}]
+			app-misc/ca-certificates
+		)
+		openssl? (
+			dev-libs/openssl:=[sslv3(-)=,static-libs?,${MULTILIB_USEDEP}]
+		)
+		nss? (
+			dev-libs/nss:0[${MULTILIB_USEDEP}]
+			dev-libs/nss-pem
+			app-misc/ca-certificates
+		)
+		rustls? (
+			net-libs/rustls-ffi:=[${MULTILIB_USEDEP}]
+		)
+	)
+	http2? ( net-libs/nghttp2:=[${MULTILIB_USEDEP}] )
+	nghttp3? (
+		net-libs/nghttp3[${MULTILIB_USEDEP}]
+		net-libs/ngtcp2[ssl,${MULTILIB_USEDEP}]
+	)
+	idn? ( net-dns/libidn2:=[static-libs?,${MULTILIB_USEDEP}] )
+	adns? ( net-dns/c-ares:=[${MULTILIB_USEDEP}] )
+	kerberos? ( >=virtual/krb5-0-r1[${MULTILIB_USEDEP}] )
+	rtmp? ( media-video/rtmpdump[${MULTILIB_USEDEP}] )
+	ssh? ( net-libs/libssh2[${MULTILIB_USEDEP}] )
+	sys-libs/zlib[${MULTILIB_USEDEP}]
+	zstd? ( app-arch/zstd:=[${MULTILIB_USEDEP}] )"
+
+DEPEND="${RDEPEND}"
+BDEPEND="dev-lang/perl
+	virtual/pkgconfig
+	test? (
+		sys-apps/diffutils
+		http2? ( net-libs/nghttp2:=[utils,${MULTILIB_USEDEP}] )
+		nghttp3? ( net-libs/nghttp2:=[utils,${MULTILIB_USEDEP}] )
+	)
+	verify-sig? ( sec-keys/openpgp-keys-danielstenberg )"
+
+DOCS=( CHANGES README docs/{FEATURES.md,INTERNALS.md,FAQ,BUGS.md,CONTRIBUTE.md} )
+
+MULTILIB_WRAPPED_HEADERS=(
+	/usr/include/curl/curlbuild.h
+)
+
+MULTILIB_CHOST_TOOLS=(
+	/usr/bin/curl-config
+)
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-7.30.0-prefix.patch
+	"${FILESDIR}"/${PN}-respect-cflags-3.patch
+
+	"${FILESDIR}"/${P}-header-dump-segfault.patch
+	"${FILESDIR}"/${P}-onion-resolution.patch
+	"${FILESDIR}"/${P}-pipewait.patch
+	"${FILESDIR}"/${P}-silent-parallel.patch
+)
+
+src_prepare() {
+	default
+
+	# Some tests (HTTP/#) rely on ssl certificates that are stored VCS which breaks
+	# with out-of-tree builds.
+	sed -i "s:my \$path   = getcwd():my \$path   = \"${S}/tests\":" tests/http*-server.pl \
+		|| die "Unable to update test locations"
+	eprefixify curl-config.in
+	eautoreconf
+}
+
+multilib_src_configure() {
+	# We make use of the fact that later flags override earlier ones
+	# So start with all ssl providers off until proven otherwise
+	# TODO: in the future, we may want to add wolfssl (https://www.wolfssl.com/)
+	local myconf=()
+
+	myconf+=( --without-ca-fallback --with-ca-bundle="${EPREFIX}"/etc/ssl/certs/ca-certificates.crt  )
+	#myconf+=( --without-default-ssl-backend )
+	if use ssl ; then
+		myconf+=( --without-gnutls --without-mbedtls --without-nss --without-rustls )
+
+		if use gnutls || use curl_ssl_gnutls; then
+			einfo "SSL provided by gnutls"
+			myconf+=( --with-gnutls )
+		fi
+		if use mbedtls || use curl_ssl_mbedtls; then
+			einfo "SSL provided by mbedtls"
+			myconf+=( --with-mbedtls )
+		fi
+		if use nss || use curl_ssl_nss; then
+			einfo "SSL provided by nss"
+			myconf+=( --with-nss --with-nss-deprecated )
+		fi
+		if use openssl || use curl_ssl_openssl; then
+			einfo "SSL provided by openssl"
+			myconf+=( --with-ssl --with-ca-path="${EPREFIX}"/etc/ssl/certs )
+		fi
+		if use rustls || use curl_ssl_rustls; then
+			einfo "SSL provided by rustls"
+			myconf+=( --with-rustls )
+		fi
+		if use curl_ssl_gnutls; then
+			einfo "Default SSL provided by gnutls"
+			myconf+=( --with-default-ssl-backend=gnutls )
+		elif use curl_ssl_mbedtls; then
+			einfo "Default SSL provided by mbedtls"
+			myconf+=( --with-default-ssl-backend=mbedtls )
+		elif use curl_ssl_nss; then
+			einfo "Default SSL provided by nss"
+			myconf+=( --with-default-ssl-backend=nss )
+		elif use curl_ssl_openssl; then
+			einfo "Default SSL provided by openssl"
+			myconf+=( --with-default-ssl-backend=openssl )
+		elif use curl_ssl_rustls; then
+			einfo "Default SSL provided by rustls"
+			myconf+=( --with-default-ssl-backend=rustls )
+		else
+			eerror "We can't be here because of REQUIRED_USE."
+		fi
+
+	else
+		myconf+=( --without-ssl )
+		einfo "SSL disabled"
+	fi
+
+	# These configuration options are organized alphabetically
+	# within each category.  This should make it easier if we
+	# ever decide to make any of them contingent on USE flags:
+	# 1) protocols first.  To see them all do
+	# 'grep SUPPORT_PROTOCOLS configure.ac'
+	# 2) --enable/disable options second.
+	# 'grep -- --enable configure | grep Check | awk '{ print $4 }' | sort
+	# 3) --with/without options third.
+	# grep -- --with configure | grep Check | awk '{ print $4 }' | sort
+
+	myconf+=(
+		$(use_enable alt-svc)
+		--enable-crypto-auth
+		--enable-dict
+		--disable-ech
+		--enable-file
+		$(use_enable ftp)
+		$(use_enable gopher)
+		$(use_enable hsts)
+		--enable-http
+		$(use_enable imap)
+		$(use_enable ldap)
+		$(use_enable ldap ldaps)
+		--enable-ntlm
+		--disable-ntlm-wb
+		$(use_enable pop3)
+		--enable-rt
+		--enable-rtsp
+		$(use_enable samba smb)
+		$(use_with ssh libssh2)
+		$(use_enable smtp)
+		$(use_enable telnet)
+		$(use_enable tftp)
+		--enable-tls-srp
+		$(use_enable adns ares)
+		--enable-cookies
+		--enable-dateparse
+		--enable-dnsshuffle
+		--enable-doh
+		--enable-symbol-hiding
+		--enable-http-auth
+		--enable-ipv6
+		--enable-largefile
+		--enable-manual
+		--enable-mime
+		--enable-netrc
+		$(use_enable progress-meter)
+		--enable-proxy
+		--enable-socketpair
+		--disable-sspi
+		$(use_enable static-libs static)
+		--enable-pthreads
+		--enable-threaded-resolver
+		--disable-versioned-symbols
+		--without-amissl
+		--without-bearssl
+		$(use_with brotli)
+		--without-fish-functions-dir
+		$(use_with http2 nghttp2)
+		--without-hyper
+		$(use_with idn libidn2)
+		$(use_with kerberos gssapi "${EPREFIX}"/usr)
+		--without-libgsasl
+		--without-libpsl
+		--without-msh3
+		$(use_with nghttp3)
+		$(use_with nghttp3 ngtcp2)
+		--without-quiche
+		$(use_with rtmp librtmp)
+		--without-schannel
+		--without-secure-transport
+		--without-test-caddy
+		--without-test-httpd
+		--without-test-nghttpx
+		$(use_enable websockets)
+		--without-winidn
+		--without-wolfssl
+		--with-zlib
+		$(use_with zstd)
+	)
+
+	if use test && multilib_is_native_abi && ( use http2 || use nghttp3 ); then
+		myconf+=(
+			--with-test-nghttpx="${BROOT}/usr/bin/nghttpx"
+		)
+	fi
+
+	ECONF_SOURCE="${S}" econf "${myconf[@]}"
+
+	if ! multilib_is_native_abi; then
+		# avoid building the client
+		sed -i -e '/SUBDIRS/s:src::' Makefile || die
+		sed -i -e '/SUBDIRS/s:scripts::' Makefile || die
+	fi
+
+	# Fix up the pkg-config file to be more robust.
+	# https://github.com/curl/curl/issues/864
+	local priv=() libs=()
+	# We always enable zlib.
+	libs+=( "-lz" )
+	priv+=( "zlib" )
+	if use http2; then
+		libs+=( "-lnghttp2" )
+		priv+=( "libnghttp2" )
+	fi
+	if use nghttp3; then
+		libs+=( "-lnghttp3" "-lngtcp2" )
+		priv+=( "libnghttp3" "libngtcp2" )
+	fi
+	if use ssl && use curl_ssl_openssl; then
+		libs+=( "-lssl" "-lcrypto" )
+		priv+=( "openssl" )
+	fi
+	grep -q Requires.private libcurl.pc && die "need to update ebuild"
+	libs=$(printf '|%s' "${libs[@]}")
+	sed -i -r \
+		-e "/^Libs.private/s:(${libs#|})( |$)::g" \
+		libcurl.pc || die
+	echo "Requires.private: ${priv[*]}" >> libcurl.pc || die
+}
+
+multilib_src_test() {
+	# See https://github.com/curl/curl/blob/master/tests/runtests.pl#L5721
+	# -n: no valgrind (unreliable in sandbox and doesn't work correctly on all arches)
+	# -v: verbose
+	# -a: keep going on failure (so we see everything which breaks, not just 1st test)
+	# -k: keep test files after completion
+	# -am: automake style TAP output
+	# -p: print logs if test fails
+	# Note: if needed, we can disable tests. See e.g. Fedora's packaging
+	# or just read https://github.com/curl/curl/tree/master/tests#run.
+	multilib_is_native_abi && emake test TFLAGS="-n -v -a -k -am -p"
+}
+
+multilib_src_install_all() {
+	einstalldocs
+	find "${ED}" -type f -name '*.la' -delete || die
+	rm -rf "${ED}"/etc/ || die
+}
diff --git a/net-misc/curl/files/curl-7.88.1-onion-resolution.patch b/net-misc/curl/files/curl-7.88.1-onion-resolution.patch
new file mode 100644
index 000000000000..05519884653c
--- /dev/null
+++ b/net-misc/curl/files/curl-7.88.1-onion-resolution.patch
@@ -0,0 +1,132 @@
+https://github.com/curl/curl/pull/10705
+From: Matt Jolly <Matt.Jolly@footclan.ninja>
+Date: Wed, 8 Mar 2023 02:16:45 +1100
+Subject: [PATCH] Refuse to resolve the .onion TLD.
+
+RFC 7686 states that:
+
+> Applications that do not implement the Tor
+> protocol SHOULD generate an error upon the use of .onion and
+> SHOULD NOT perform a DNS lookup.
+
+Let's do that.
+
+See curl/curl#543
+https://www.rfc-editor.org/rfc/rfc7686#section-2
+--- a/lib/hostip.c
++++ b/lib/hostip.c
+@@ -652,6 +652,14 @@ enum resolve_t Curl_resolv(struct Curl_easy *data,
+   CURLcode result;
+   enum resolve_t rc = CURLRESOLV_ERROR; /* default to failure */
+   struct connectdata *conn = data->conn;
++  /* We should intentionally error and not resolve .onion TLDs */
++  size_t hostname_len = strlen(hostname);
++  if(hostname_len >= 7 &&
++  (curl_strequal(&hostname[hostname_len-6], ".onion") ||
++  curl_strequal(&hostname[hostname_len-7], ".onion."))) {
++    failf(data, "Not resolving .onion address (RFC 7686)");
++    return CURLRESOLV_ERROR;
++  }
+   *entry = NULL;
+ #ifndef CURL_DISABLE_DOH
+   conn->bits.doh = FALSE; /* default is not */
+--- a/tests/data/Makefile.inc
++++ b/tests/data/Makefile.inc
+@@ -186,8 +186,8 @@ test1432 test1433 test1434 test1435 test1436 test1437 test1438 test1439 \
+ test1440 test1441 test1442 test1443 test1444 test1445 test1446 test1447 \
+ test1448 test1449 test1450 test1451 test1452 test1453 test1454 test1455 \
+ test1456 test1457 test1458 test1459 test1460 test1461 test1462 test1463 \
+-test1464 test1465 test1466 test1467 test1468 test1469 \
+-\
++test1464 test1465 test1466 test1467 test1468 test1469 test1471 \
++test1472 \
+ test1500 test1501 test1502 test1503 test1504 test1505 test1506 test1507 \
+ test1508 test1509 test1510 test1511 test1512 test1513 test1514 test1515 \
+ test1516 test1517 test1518 test1519 test1520 test1521 test1522 test1523 \
+--- /dev/null
++++ b/tests/data/test1471
+@@ -0,0 +1,39 @@
++<testcase>
++<info>
++<keywords>
++Onion
++Tor
++FAILURE
++</keywords>
++</info>
++#
++# Server-side
++<reply>
++</reply>
++
++#
++# Client-side
++<client>
++<server>
++none
++</server>
++<name>
++Fail to resolve .onion TLD
++</name>
++<command>
++red.onion
++</command>
++</client>
++
++#
++# Verify data after the test has been "shot"
++<verify>
++# Couldn't resolve host name
++<errorcode>
++6
++</errorcode>
++<stderr mode="text">
++curl: (6) Not resolving .onion address (RFC 7686)
++</stderr>
++</verify>
++</testcase>
+--- /dev/null
++++ b/tests/data/test1472
+@@ -0,0 +1,39 @@
++<testcase>
++<info>
++<keywords>
++Onion
++Tor
++FAILURE
++</keywords>
++</info>
++#
++# Server-side
++<reply>
++</reply>
++
++#
++# Client-side
++<client>
++<server>
++none
++</server>
++<name>
++Fail to resolve .onion. TLD
++</name>
++<command>
++tasty.onion.
++</command>
++</client>
++
++#
++# Verify data after the test has been "shot"
++<verify>
++# Couldn't resolve host name
++<errorcode>
++6
++</errorcode>
++<stderr mode="text">
++curl: (6) Not resolving .onion address (RFC 7686)
++</stderr>
++</verify>
++</testcase>
+-- 
+2.39.2
+