openvpn: update to 2.4_rc2

OpenVPN 2.4 builds with mbedTLS 2.x, rename openvpn-polarssl
variant to openvpn-mbedtls.

Some feature highlights:
* Data channel cipher negotiation
* AEAD cipher support for data channel encryption (currently only
* AES-GCM)
* ECDH key exchange for control channel
* LZ4 compression support

See https://github.com/OpenVPN/openvpn/blob/master/Changes.rst
for additional change notes.

Signed-off-by: Magnus Kroken <mkroken@gmail.com>
This commit is contained in:
Magnus Kroken 2016-12-10 12:11:33 +01:00 committed by Felix Fietkau
parent f67867adb0
commit 13592c1454
11 changed files with 103 additions and 75 deletions

View file

@ -1,62 +1,66 @@
if PACKAGE_openvpn-polarssl
if PACKAGE_openvpn-mbedtls
config OPENVPN_polarssl_ENABLE_LZO
config OPENVPN_mbedtls_ENABLE_LZO
bool "Enable LZO compression support"
default y
config OPENVPN_polarssl_ENABLE_X509_ALT_USERNAME
config OPENVPN_mbedtls_ENABLE_LZ4
bool "Enable LZ4 compression support"
default y
config OPENVPN_mbedtls_ENABLE_X509_ALT_USERNAME
bool "Enable the --x509-username-field feature"
default n
config OPENVPN_polarssl_ENABLE_SERVER
config OPENVPN_mbedtls_ENABLE_SERVER
bool "Enable server support (otherwise only client mode is support)"
default y
#config OPENVPN_polarssl_ENABLE_EUREPHIA
#config OPENVPN_mbedtls_ENABLE_EUREPHIA
# bool "Enable support for the eurephia plug-in"
# default n
config OPENVPN_polarssl_ENABLE_MANAGEMENT
config OPENVPN_mbedtls_ENABLE_MANAGEMENT
bool "Enable management server support"
default n
#config OPENVPN_polarssl_ENABLE_PKCS11
#config OPENVPN_mbedtls_ENABLE_PKCS11
# bool "Enable pkcs11 support"
# default n
config OPENVPN_polarssl_ENABLE_HTTP
config OPENVPN_mbedtls_ENABLE_HTTP
bool "Enable HTTP proxy support"
default y
config OPENVPN_polarssl_ENABLE_SOCKS
config OPENVPN_mbedtls_ENABLE_SOCKS
bool "Enable SOCKS proxy support"
default y
config OPENVPN_polarssl_ENABLE_FRAGMENT
config OPENVPN_mbedtls_ENABLE_FRAGMENT
bool "Enable internal fragmentation support (--fragment)"
default y
config OPENVPN_polarssl_ENABLE_MULTIHOME
config OPENVPN_mbedtls_ENABLE_MULTIHOME
bool "Enable multi-homed UDP server support (--multihome)"
default y
config OPENVPN_polarssl_ENABLE_PORT_SHARE
config OPENVPN_mbedtls_ENABLE_PORT_SHARE
bool "Enable TCP server port-share support (--port-share)"
default y
config OPENVPN_polarssl_ENABLE_DEF_AUTH
config OPENVPN_mbedtls_ENABLE_DEF_AUTH
bool "Enable deferred authentication"
default y
config OPENVPN_polarssl_ENABLE_PF
config OPENVPN_mbedtls_ENABLE_PF
bool "Enable internal packet filter"
default y
config OPENVPN_polarssl_ENABLE_IPROUTE2
config OPENVPN_mbedtls_ENABLE_IPROUTE2
bool "Enable support for iproute2"
default n
config OPENVPN_polarssl_ENABLE_SMALL
config OPENVPN_mbedtls_ENABLE_SMALL
bool "Enable size optimization"
default y
help

View file

@ -4,6 +4,10 @@ config OPENVPN_nossl_ENABLE_LZO
bool "Enable LZO compression support"
default y
config OPENVPN_nossl_ENABLE_LZ4
bool "Enable LZ4 compression support"
default y
config OPENVPN_nossl_ENABLE_SERVER
bool "Enable server support (otherwise only client mode is support)"
default y

View file

@ -4,6 +4,10 @@ config OPENVPN_openssl_ENABLE_LZO
bool "Enable LZO compression support"
default y
config OPENVPN_openssl_ENABLE_LZ4
bool "Enable LZ4 compression support"
default y
config OPENVPN_openssl_ENABLE_X509_ALT_USERNAME
bool "Enable the --x509-username-field feature"
default n

View file

@ -9,12 +9,12 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=openvpn
PKG_VERSION:=2.3.13
PKG_VERSION:=2.4_rc2
PKG_RELEASE:=1
PKG_SOURCE_URL:=http://swupdate.openvpn.net/community/releases
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
PKG_HASH:=9cde0c8000fd32d5275adb55f8bb1d8ba429ff3de35f60a36e81f3859b7537e0
PKG_HASH:=3e5dbfda2c1c941bc61e5e067601b31f578ad4cdf3683e569014e18c2cc6e2e9
PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
@ -38,7 +38,7 @@ define Package/openvpn/Default
endef
Package/openvpn-openssl=$(call Package/openvpn/Default,openssl,OpenSSL,+libopenssl)
Package/openvpn-polarssl=$(call Package/openvpn/Default,polarssl,PolarSSL,+libpolarssl)
Package/openvpn-mbedtls=$(call Package/openvpn/Default,mbedtls,mbedTLS,+libmbedtls)
Package/openvpn-nossl=$(call Package/openvpn/Default,nossl,plaintext (no SSL))
define Package/openvpn/config/Default
@ -46,11 +46,11 @@ define Package/openvpn/config/Default
endef
Package/openvpn-openssl/config=$(call Package/openvpn/config/Default,openssl)
Package/openvpn-polarssl/config=$(call Package/openvpn/config/Default,polarssl)
Package/openvpn-mbedtls/config=$(call Package/openvpn/config/Default,mbedtls)
Package/openvpn-nossl/config=$(call Package/openvpn/config/Default,nossl)
ifeq ($(BUILD_VARIANT),polarssl)
CONFIG_OPENVPN_POLARSSL:=y
ifeq ($(BUILD_VARIANT),mbedtls)
CONFIG_OPENVPN_MBEDTLS:=y
endif
ifeq ($(BUILD_VARIANT),openssl)
CONFIG_OPENVPN_OPENSSL:=y
@ -74,6 +74,7 @@ define Build/Configure
--disable-debug \
--disable-pkcs11 \
$(if $(CONFIG_OPENVPN_$(BUILD_VARIANT)_ENABLE_LZO),--enable,--disable)-lzo \
$(if $(CONFIG_OPENVPN_$(BUILD_VARIANT)_ENABLE_LZ4),--enable,--disable)-lz4 \
$(if $(CONFIG_OPENVPN_$(BUILD_VARIANT)_ENABLE_X509_ALT_USERNAME),enable,disable-x509-alt-username)-ssl \
$(if $(CONFIG_OPENVPN_$(BUILD_VARIANT)_ENABLE_SERVER),--enable,--disable)-server \
$(if $(CONFIG_OPENVPN_$(BUILD_VARIANT)_ENABLE_MANAGEMENT),--enable,--disable)-management \
@ -86,7 +87,7 @@ define Build/Configure
$(if $(CONFIG_OPENVPN_$(BUILD_VARIANT)_ENABLE_PF),--enable,--disable)-pf \
$(if $(CONFIG_OPENVPN_NOSSL),--disable-ssl --disable-crypto,--enable-ssl --enable-crypto) \
$(if $(CONFIG_OPENVPN_OPENSSL),--with-crypto-library=openssl) \
$(if $(CONFIG_OPENVPN_POLARSSL),--with-crypto-library=polarssl) \
$(if $(CONFIG_OPENVPN_MBEDTLS),--with-crypto-library=mbedtls) \
)
endef
@ -119,5 +120,5 @@ define Package/openvpn-$(BUILD_VARIANT)/install
endef
$(eval $(call BuildPackage,openvpn-openssl))
$(eval $(call BuildPackage,openvpn-polarssl))
$(eval $(call BuildPackage,openvpn-mbedtls))
$(eval $(call BuildPackage,openvpn-nossl))

View file

@ -241,7 +241,11 @@ config openvpn sample_server
# Enable compression on the VPN link.
# If you enable it here, you must also
# enable it in the client config file.
option comp_lzo yes
# LZ4 requires OpenVPN 2.4+ client and server
# option compress lz4
# LZO is compatible with most OpenVPN versions
# (set "compress lzo" on 2.4+ clients, and "comp-lzo yes" on older clients)
option compress lzo
# The maximum number of concurrently connected
# clients we want to allow.
@ -391,7 +395,10 @@ config openvpn sample_client
# Enable compression on the VPN link.
# Don't enable this unless it is also
# enabled in the server config file.
option comp_lzo yes
# LZ4 requires OpenVPN 2.4+ on server and client
# option compress lz4
# LZO is compatible with most OpenVPN versions
option compress lzo
# Set log file verbosity.
option verb 3

View file

@ -1,9 +1,9 @@
--- a/src/openvpn/options.c
+++ b/src/openvpn/options.c
@@ -102,7 +102,6 @@ const char title_string[] =
" [MH]"
@@ -107,7 +107,6 @@ const char title_string[] =
#ifdef HAVE_AEAD_CIPHER_MODES
" [AEAD]"
#endif
" [IPv6]"
- " built on " __DATE__
;

View file

@ -0,0 +1,11 @@
--- a/src/openvpn/ssl_mbedtls.c
+++ b/src/openvpn/ssl_mbedtls.c
@@ -1333,7 +1333,7 @@ const char *
get_ssl_library_version(void)
{
static char mbedtls_version[30];
- unsigned int pv = mbedtls_version_get_number();
+ unsigned int pv = MBEDTLS_VERSION_NUMBER;
sprintf( mbedtls_version, "mbed TLS %d.%d.%d",
(pv>>24)&0xff, (pv>>16)&0xff, (pv>>8)&0xff );
return mbedtls_version;

View file

@ -1,11 +0,0 @@
--- a/src/openvpn/ssl_polarssl.c
+++ b/src/openvpn/ssl_polarssl.c
@@ -1156,7 +1156,7 @@ const char *
get_ssl_library_version(void)
{
static char polar_version[30];
- unsigned int pv = version_get_number();
+ unsigned int pv = POLARSSL_VERSION_NUMBER;
sprintf( polar_version, "PolarSSL %d.%d.%d",
(pv>>24)&0xff, (pv>>16)&0xff, (pv>>8)&0xff );
return polar_version;

View file

@ -1,33 +0,0 @@
openvpn: fix build without POLARSSL_DEBUG_C
Backport of upstream master commit
b63f98633dbe2ca92cd43fc6f8597ab283a600bf.
Signed-off-by: Magnus Kroken <mkroken@gmail.com>
From b63f98633dbe2ca92cd43fc6f8597ab283a600bf Mon Sep 17 00:00:00 2001
From: Steffan Karger <steffan@karger.me>
Date: Tue, 14 Jun 2016 22:00:03 +0200
Subject: [PATCH] mbedtls: don't set debug threshold if compiled without
MBEDTLS_DEBUG_C
For targets with space constraints, one might want to compile mbed TLS
without MBEDTLS_DEBUG_C defined, to save some tens of kilobytes. Make
sure OpenVPN still compiles if that is the case.
Signed-off-by: Steffan Karger <steffan@karger.me>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <1465934403-22226-1-git-send-email-steffan@karger.me>
URL: http://article.gmane.org/gmane.network.openvpn.devel/11922
Signed-off-by: Gert Doering <gert@greenie.muc.de>
--- a/src/openvpn/ssl_polarssl.c
+++ b/src/openvpn/ssl_polarssl.c
@@ -747,7 +747,9 @@ void key_state_ssl_init(struct key_state
if (polar_ok(ssl_init(ks_ssl->ctx)))
{
/* Initialise SSL context */
+ #ifdef POLARSSL_DEBUG_C
debug_set_threshold(3);
+ #endif
ssl_set_dbg (ks_ssl->ctx, my_debug, NULL);
ssl_set_endpoint (ks_ssl->ctx, ssl_ctx->endpoint);

View file

@ -1,6 +1,6 @@
--- a/src/openvpn/syshead.h
+++ b/src/openvpn/syshead.h
@@ -602,9 +602,7 @@ socket_defined (const socket_descriptor_
@@ -589,9 +589,7 @@ socket_defined (const socket_descriptor_
/*
* Should we include OCC (options consistency check) code?
*/

View file

@ -0,0 +1,41 @@
--- a/configure.ac
+++ b/configure.ac
@@ -1014,37 +1014,14 @@ dnl
AC_ARG_VAR([LZ4_CFLAGS], [C compiler flags for lz4])
AC_ARG_VAR([LZ4_LIBS], [linker flags for lz4])
if test "$enable_lz4" = "yes" && test "$enable_comp_stub" = "no"; then
- AC_CHECKING([for LZ4 Library and Header files])
- havelz4lib=1
- # if LZ4_LIBS is set, we assume it will work, otherwise test
- if test -z "${LZ4_LIBS}"; then
- AC_CHECK_LIB(lz4, LZ4_compress,
- [ LZ4_LIBS="-llz4" ],
- [
- AC_MSG_RESULT([LZ4 library not found.])
- havelz4lib=0
- ])
- fi
+ AC_MSG_RESULT([Using LZ4 library in src/compat/compat-lz4.*])
+ AC_DEFINE([NEED_COMPAT_LZ4], [1], [use copy of LZ4 source in compat/])
+ LZ4_LIBS=""
- saved_CFLAGS="${CFLAGS}"
- CFLAGS="${CFLAGS} ${LZ4_CFLAGS}"
- AC_CHECK_HEADERS(lz4.h,
- ,
- [
- AC_MSG_RESULT([LZ4 headers not found.])
- havelz4lib=0
- ])
-
- if test $havelz4lib = 0 ; then
- AC_MSG_RESULT([LZ4 library or header not found, using version in src/compat/compat-lz4.*])
- AC_DEFINE([NEED_COMPAT_LZ4], [1], [use copy of LZ4 source in compat/])
- LZ4_LIBS=""
- fi
OPTIONAL_LZ4_CFLAGS="${LZ4_CFLAGS}"
OPTIONAL_LZ4_LIBS="${LZ4_LIBS}"
AC_DEFINE(ENABLE_LZ4, 1, [Enable LZ4 compression library])
- CFLAGS="${saved_CFLAGS}"
fi