net-libs/libssh: Backport upstream fixes

Gentoo-bug: 627900
Package-Manager: Portage-2.3.7, Repoman-2.3.3

net-libs/libssh/files/libssh-0.7.5-fix-config-buffer-underflow.patch

@@ -0,0 +1,25 @@
+From 0cffb88b80b1e8b7e292646b955e9b9ca02315c4 Mon Sep 17 00:00:00 2001
+From: Aris Adamantiadis <aris@0xbadc0de.be>
+Date: Thu, 8 Jun 2017 00:22:02 +0200
+Subject: config: fix buffer underflow with unrecognized opcodes
+
+---
+ src/config.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/config.c b/src/config.c
+index 519926e7..6187c90f 100644
+--- a/src/config.c
++++ b/src/config.c
+@@ -218,7 +218,7 @@ static int ssh_config_parse_line(ssh_session session, const char *line,
+   }
+ 
+   opcode = ssh_config_get_opcode(keyword);
+-  if (*parsing == 1 && opcode != SOC_HOST) {
++  if (*parsing == 1 && opcode != SOC_HOST && opcode != SOC_UNSUPPORTED) {
+       if (seen[opcode] != 0) {
+           return 0;
+       }
+-- 
+cgit v1.1
+

net-libs/libssh/files/libssh-0.7.5-fix-config-parsing.patch

@@ -0,0 +1,32 @@
+From 5333be5988c3789e7011598995f4df90d50d84d0 Mon Sep 17 00:00:00 2001
+From: "Artyom V. Poptsov" <poptsov.artyom@gmail.com>
+Date: Sun, 4 Jun 2017 11:54:55 +0300
+Subject: config: Bugfix: Don't skip unseen opcodes
+
+libssh fails to read the configuration from a config file due to a
+wrong check in 'ssh_config_parse_line' procedure in 'config.c'; it's
+effectively skipping every opcode (and therefore every option) from
+the file.  The change fixes that behaviour.
+
+Signed-off-by: Artyom V. Poptsov <poptsov.artyom@gmail.com>
+Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
+---
+ src/config.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/config.c b/src/config.c
+index 6478fc5f..519926e7 100644
+--- a/src/config.c
++++ b/src/config.c
+@@ -219,7 +219,7 @@ static int ssh_config_parse_line(ssh_session session, const char *line,
+ 
+   opcode = ssh_config_get_opcode(keyword);
+   if (*parsing == 1 && opcode != SOC_HOST) {
+-      if (seen[opcode] == 0) {
++      if (seen[opcode] != 0) {
+           return 0;
+       }
+       seen[opcode] = 1;
+-- 
+cgit v1.1
+

net-libs/libssh/libssh-0.7.5-r1.ebuild

@@ -0,0 +1,101 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+MY_P="${PN}-${PV/_rc/rc}"
+inherit eutils cmake-multilib multilib
+
+DESCRIPTION="Access a working SSH implementation by means of a library"
+HOMEPAGE="http://www.libssh.org/"
+SRC_URI="https://red.libssh.org/attachments/download/218/${MY_P}.tar.xz -> ${P}.tar.xz"
+
+LICENSE="LGPL-2.1"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux"
+SLOT="0/4" # subslot = soname major version
+IUSE="debug doc examples gcrypt gssapi libressl pcap +sftp ssh1 server static-libs test zlib"
+# Maintainer: check IUSE-defaults at DefineOptions.cmake
+
+RDEPEND="
+	zlib? ( >=sys-libs/zlib-1.2.8-r1[${MULTILIB_USEDEP}] )
+	!gcrypt? (
+		!libressl? ( >=dev-libs/openssl-1.0.1h-r2:0[${MULTILIB_USEDEP}] )
+		libressl? ( dev-libs/libressl[${MULTILIB_USEDEP}] )
+	)
+	gcrypt? ( >=dev-libs/libgcrypt-1.5.3:0[${MULTILIB_USEDEP}] )
+	gssapi? ( >=virtual/krb5-0-r1[${MULTILIB_USEDEP}] )
+"
+DEPEND="
+	${RDEPEND}
+	doc? ( app-doc/doxygen )
+	test? ( >=dev-util/cmocka-0.3.1[${MULTILIB_USEDEP}] )
+"
+
+DOCS=( AUTHORS README ChangeLog )
+
+S="${WORKDIR}/${MY_P}"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-0.5.0-tests.patch
+	"${FILESDIR}"/${P}-fix-config-parsing.patch
+	"${FILESDIR}"/${P}-fix-config-buffer-underflow.patch
+)
+
+src_prepare() {
+	# just install the examples do not compile them
+	sed -i \
+		-e '/add_subdirectory(examples)/s/^/#DONOTWANT/' \
+		CMakeLists.txt || die
+
+	# keyfile torture test is currently broken
+	sed \
+		-e '/torture_keyfiles/d' \
+		-i tests/unittests/CMakeLists.txt || die
+
+	cmake-utils_src_prepare
+}
+
+multilib_src_configure() {
+	local mycmakeargs=(
+		-DWITH_DEBUG_CALLTRACE="$(usex debug)"
+		-DWITH_DEBUG_CRYPTO="$(usex debug)"
+		-DWITH_GCRYPT="$(usex gcrypt)"
+		-DWITH_GSSAPI="$(usex gssapi)"
+		-DWITH_NACL=no
+		-DWITH_PCAP="$(usex pcap)"
+		-DWITH_SERVER="$(usex server)"
+		-DWITH_SFTP="$(usex sftp)"
+		-DWITH_SSH1="$(usex ssh1)"
+		-DWITH_STATIC_LIB="$(usex static-libs)"
+		-DWITH_STATIC_LIB="$(usex test)"
+		-DWITH_TESTING="$(usex test)"
+		-DWITH_ZLIB="$(usex zlib)"
+	)
+
+	cmake-utils_src_configure
+}
+
+multilib_src_compile() {
+	cmake-utils_src_compile
+	multilib_is_native_abi && use doc && cmake-utils_src_compile doc
+}
+
+multilib_src_install() {
+	cmake-utils_src_install
+
+	if multilib_is_native_abi && use doc ; then
+		docinto html
+		dodoc -r doc/html/.
+	fi
+
+	use static-libs || rm -f "${D}"/usr/$(get_libdir)/libssh{,_threads}.a
+}
+
+multilib_src_install_all() {
+	einstalldocs
+
+	if use examples; then
+		docinto examples
+		dodoc examples/*.{c,h,cpp}
+	fi
+}