wolfssl: bump to 4.1.0-stable

Always build AES-GCM support.
Unnecessary patches were removed.

This includes two vulnerability fixes:

CVE-2019-11873: a potential buffer overflow case with the TLSv1.3 PSK
extension parsing.

CVE-2019-13628 (currently assigned-only): potential leak of nonce sizes
when performing ECDSA signing operations. The leak is considered to be
difficult to exploit but it could potentially be used maliciously to
perform a lattice based timing attack.

This brings the package up-to-date with master, so it incorporates
changes from 4.0.0 in master:
* Removed options that can't be turned off because we're building with
  --enable-stunnel, some of which affect hostapd's Config.in.
* Adjusted the title of OCSP option, as OCSP itself can't be turned off,
  only the stapling part is selectable.
* Mark options turned on when wpad support is selected.
* Add building options for TLS 1.0, and TLS 1.3.
* Add hardware crypto support, which due to a bug, only works when CCM
  support is turned off.
* Reorganized option conditionals in Makefile.

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>

6 files changed, 62 insertions, 166 deletions

diff --git a/package/libs/wolfssl/Config.in b/package/libs/wolfssl/Config.in
index 4aa163b361..a729f73a1d 100644
--- a/package/libs/wolfssl/Config.in
+++ b/package/libs/wolfssl/Config.in
@@ -4,16 +4,8 @@ config WOLFSSL_HAS_AES_CCM
 	bool "Include AES-CCM support"
 	default y
 
-config WOLFSSL_HAS_AES_GCM
-	bool "Include AES-GCM support"
-	default y
-
-config WOLFSSL_HAS_CHACHA
-	bool "Include ChaCha cipher suite support"
-	default n
-
-config WOLFSSL_HAS_ECC
-	bool "Include ECC (Elliptic Curve Cryptography) support"
+config WOLFSSL_HAS_CHACHA_POLY
+	bool "Include ChaCha20-Poly1305 cipher suite support"
 	default y
 
 config WOLFSSL_HAS_DH
@@ -24,12 +16,12 @@ config WOLFSSL_HAS_ARC4
 	bool "Include ARC4 support"
 	default y
 
-config WOLFSSL_HAS_DES3
-	bool "Include DES3 (Tripple-DES) support"
+config WOLFSSL_HAS_TLSV10
+	bool "Include TLS 1.0 support"
 	default y
 
-config WOLFSSL_HAS_PSK
-	bool "Include PKS (Pre Share Key) support"
+config WOLFSSL_HAS_TLSV13
+	bool "Include TLS 1.3 support"
 	default y
 
 config WOLFSSL_HAS_SESSION_TICKET
@@ -41,20 +33,45 @@ config WOLFSSL_HAS_DTLS
 	default n
 
 config WOLFSSL_HAS_OCSP
-	bool "Include OSCP support"
+	bool "Include OSCP stapling support"
 	default y
 
 config WOLFSSL_HAS_WPAS
 	bool "Include wpa_supplicant support"
+	select WOLFSSL_HAS_ARC4
+	select WOLFSSL_HAS_OCSP
+	select WOLFSSL_HAS_SESSION_TICKET
 	default y
 
 config WOLFSSL_HAS_ECC25519
 	bool "Include ECC Curve 22519 support"
-	depends on WOLFSSL_HAS_ECC
 	default n
 
-config WOLFSSL_HAS_POLY1305
-	bool "Include Poly-1305 support"
-	default n
+config WOLFSSL_HAS_DEVCRYPTO
+	bool
+
+if WOLFSSL_HAS_AES_CCM
+	comment "! Hardware Acceleration does not build with AES-CCM enabled"
+endif
+if !WOLFSSL_HAS_AES_CCM
+	choice
+		prompt "Hardware Acceleration"
+		default WOLFSSL_HAS_NO_HW
+
+		config WOLFSSL_HAS_NO_HW
+			bool "None"
+
+		config WOLFSSL_HAS_AFALG
+			bool "AF_ALG"
+
+		config WOLFSSL_HAS_DEVCRYPTO_AES
+			bool "/dev/crypto - AES-only"
+			select WOLFSSL_HAS_DEVCRYPTO
+
+		config WOLFSSL_HAS_DEVCRYPTO_FULL
+			bool "/dev/crypto - full"
+			select WOLFSSL_HAS_DEVCRYPTO
+	endchoice
+endif
 
 endif
diff --git a/package/libs/wolfssl/Makefile b/package/libs/wolfssl/Makefile
index 264be02496..2ad03a5aca 100644
--- a/package/libs/wolfssl/Makefile
+++ b/package/libs/wolfssl/Makefile
@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=wolfssl
-PKG_VERSION:=3.15.7-stable
+PKG_VERSION:=4.1.0-stable
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/wolfSSL/wolfssl/archive/v$(PKG_VERSION)
-PKG_HASH:=70e4fbeb91284a269b25a84fc526755c670475aee4034a6f237b1f754d108af3
+PKG_HASH:=f0d630c3ddfeb692b8ae38cc739f47d5e9f0fb708662aa241ede0c42a5eb3dd8
 
 PKG_FIXUP:=libtool
 PKG_INSTALL:=1
@@ -21,16 +21,17 @@ PKG_USE_MIPS16:=0
 PKG_BUILD_PARALLEL:=1
 PKG_LICENSE:=GPL-2.0-or-later
 PKG_LICENSE_FILES:=LICENSING COPYING
+PKG_MAINTAINER:=Eneas U de Queiroz <cotequeiroz@gmail.com>
 PKG_CPE_ID:=cpe:/a:wolfssl:wolfssl
 
 PKG_CONFIG_DEPENDS:=\
-	CONFIG_WOLFSSL_HAS_AES_CCM CONFIG_WOLFSSL_HAS_AES_GCM \
-	CONFIG_WOLFSSL_HAS_ARC4 CONFIG_WOLFSSL_HAS_CHACHA \
-	CONFIG_WOLFSSL_HAS_DES3 CONFIG_WOLFSSL_HAS_DH CONFIG_WOLFSSL_HAS_DTLS \
-	CONFIG_WOLFSSL_HAS_ECC CONFIG_WOLFSSL_HAS_ECC25519 \
-	CONFIG_WOLFSSL_HAS_OCSP CONFIG_WOLFSSL_HAS_POLY1305 \
-	CONFIG_WOLFSSL_HAS_PSK CONFIG_WOLFSSL_HAS_SESSION_TICKET \
-	CONFIG_WOLFSSL_HAS_WPAS
+	CONFIG_WOLFSSL_HAS_AES_CCM CONFIG_WOLFSSL_HAS_AFALG \
+	CONFIG_WOLFSSL_HAS_ARC4 CONFIG_WOLFSSL_HAS_CHACHA_POLY \
+	CONFIG_WOLFSSL_HAS_DEVCRYPTO_AES CONFIG_WOLFSSL_HAS_DEVCRYPTO_FULL \
+	CONFIG_WOLFSSL_HAS_DH CONFIG_WOLFSSL_HAS_DTLS \
+	CONFIG_WOLFSSL_HAS_ECC25519 CONFIG_WOLFSSL_HAS_OCSP \
+	CONFIG_WOLFSSL_HAS_SESSION_TICKET CONFIG_WOLFSSL_HAS_TLSV10 \
+	CONFIG_WOLFSSL_HAS_TLSV13 CONFIG_WOLFSSL_HAS_WPAS
 
 include $(INCLUDE_DIR)/package.mk
 
@@ -42,6 +43,7 @@ define Package/libwolfssl
   URL:=http://www.wolfssl.com/
   MENU:=1
   PROVIDES:=libcyassl
+  DEPENDS:=+WOLFSSL_HAS_DEVCRYPTO:kmod-cryptodev +WOLFSSL_HAS_AFALG:kmod-crypto-user
   ABI_VERSION:=19
 endef
 
@@ -62,70 +64,20 @@ CONFIGURE_ARGS += \
 	--enable-sni \
 	--enable-stunnel \
 	--disable-examples \
-	--disable-leanpsk \
-	--disable-leantls \
-
-ifeq ($(CONFIG_IPV6),y)
-CONFIGURE_ARGS += \
-        --enable-ipv6
-endif
-
-ifeq ($(CONFIG_WOLFSSL_HAS_AES_CCM),y)
-CONFIGURE_ARGS += \
-	--enable-aesccm
-endif
-
-ifneq ($(CONFIG_WOLFSSL_HAS_AES_GCM),y)
-CONFIGURE_ARGS += \
-	--disable-aesgcm
-endif
-
-ifneq ($(CONFIG_WOLFSSL_HAS_CHACHA),y)
-CONFIGURE_ARGS += \
-	--disable-chacha
-endif
-
-ifeq ($(CONFIG_WOLFSSL_HAS_ECC),y)
-CONFIGURE_ARGS += \
-	--enable-ecc \
-	--enable-supportedcurves
-endif
-
-ifeq ($(CONFIG_WOLFSSL_HAS_DH),y)
-CONFIGURE_ARGS += \
-	--enable-dh
-endif
-
-ifneq ($(CONFIG_WOLFSSL_HAS_ARC4),y)
-CONFIGURE_ARGS += \
-	--disable-arc4
-else
-CONFIGURE_ARGS += \
-	--enable-arc4
-endif
-
-ifneq ($(CONFIG_WOLFSSL_HAS_DES3),y)
-CONFIGURE_ARGS += \
-	--disable-des3
-else
-CONFIGURE_ARGS += \
-	--enable-des3
-endif
-
-ifeq ($(CONFIG_WOLFSSL_HAS_PSK),y)
-CONFIGURE_ARGS += \
-	--enable-psk
-endif
-
-ifeq ($(CONFIG_WOLFSSL_HAS_SESSION_TICKET),y)
-CONFIGURE_ARGS += \
-	--enable-session-ticket
-endif
-
-ifeq ($(CONFIG_WOLFSSL_HAS_DTLS),y)
-CONFIGURE_ARGS += \
-	--enable-dtls
-endif
+	--disable-jobserver \
+	--$(if $(CONFIG_IPV6),enable,disable)-ipv6 \
+	--$(if $(CONFIG_WOLFSSL_HAS_AES_CCM),enable,disable)-aesccm \
+	--$(if $(CONFIG_WOLFSSL_HAS_CHACHA_POLY),enable,disable)-chacha \
+	--$(if $(CONFIG_WOLFSSL_HAS_CHACHA_POLY),enable,disable)-poly1305 \
+	--$(if $(CONFIG_WOLFSSL_HAS_DH),enable,disable)-dh \
+	--$(if $(CONFIG_WOLFSSL_HAS_ARC4),enable,disable)-arc4 \
+	--$(if $(CONFIG_WOLFSSL_HAS_TLSV10),enable,disable)-tlsv10 \
+	--$(if $(CONFIG_WOLFSSL_HAS_TLSV13),enable,disable)-tls13 \
+	--$(if $(CONFIG_WOLFSSL_HAS_SESSION_TICKET),enable,disable)-session-ticket \
+	--$(if $(CONFIG_WOLFSSL_HAS_DTLS),enable,disable)-dtls \
+	--$(if $(CONFIG_WOLFSSL_HAS_ECC25519),enable,disable)-curve25519 \
+	--$(if $(CONFIG_WOLFSSL_HAS_AFALG),enable,disable)-afalg \
+	--enable-devcrypto=$(if $(CONFIG_WOLFSSL_HAS_DEVCRYPTO_AES),aes,$(if $(CONFIG_WOLFSSL_HAS_DEVCRYPTO_FULL),yes,no))
 
 ifeq ($(CONFIG_WOLFSSL_HAS_OCSP),y)
 CONFIGURE_ARGS += \
@@ -137,23 +89,6 @@ CONFIGURE_ARGS += \
 	--enable-wpas --enable-sha512 --enable-fortress --enable-fastmath
 endif
 
-ifeq ($(CONFIG_WOLFSSL_HAS_ECC25519),y)
-CONFIGURE_ARGS += \
-	--enable-curve25519
-endif
-
-ifneq ($(CONFIG_WOLFSSL_HAS_POLY1305),y)
-CONFIGURE_ARGS += \
-	--enable-poly1305
-endif
-
-#ifneq ($(CONFIG_TARGET_x86),)
-#	CONFIGURE_ARGS += --enable-intelasm
-#endif
-#ifneq ($(CONFIG_TARGET_x86_64),)
-#	CONFIGURE_ARGS += --enable-intelasm
-#endif
-
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/include $(1)/usr/lib/pkgconfig
 	$(CP) $(PKG_INSTALL_DIR)/usr/include/* $(1)/usr/include/
diff --git a/package/libs/wolfssl/patches/100-disable-hardening-check.patch b/package/libs/wolfssl/patches/100-disable-hardening-check.patch
index 8a51434633..5d83eca770 100644
--- a/package/libs/wolfssl/patches/100-disable-hardening-check.patch
+++ b/package/libs/wolfssl/patches/100-disable-hardening-check.patch
@@ -1,6 +1,6 @@
 --- a/wolfssl/wolfcrypt/settings.h
 +++ b/wolfssl/wolfcrypt/settings.h
-@@ -1759,7 +1759,7 @@ extern void uITRON4_free(void *p) ;
+@@ -1930,7 +1930,7 @@ extern void uITRON4_free(void *p) ;
  #endif
  
  /* warning for not using harden build options (default with ./configure) */
diff --git a/package/libs/wolfssl/patches/101-AR-flags-configure-update.patch b/package/libs/wolfssl/patches/101-AR-flags-configure-update.patch
deleted file mode 100644
index 9401a54a5b..0000000000
--- a/package/libs/wolfssl/patches/101-AR-flags-configure-update.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-From 42eacece82b6375a9f4bab3903a1a39f7d1dd579 Mon Sep 17 00:00:00 2001
-From: John Safranek <john@wolfssl.com>
-Date: Tue, 5 Mar 2019 09:26:30 -0800
-Subject: [PATCH] AR flags configure update In at least one environment the
- check for particular AR options was failing due to a bash script bug. Deleted
- an extra pair of parenthesis triggering an arithmetic statement when
- redundant grouping was desired.
-
----
- configure.ac | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/configure.ac
-+++ b/configure.ac
-@@ -15,7 +15,7 @@ AC_CONFIG_AUX_DIR([build-aux])
- : ${CFLAGS=""}
- 
- # Test ar for the "U" option. Should be checked before the libtool macros.
--xxx_ar_flags=$((ar --help) 2>&1)
-+xxx_ar_flags=$(ar --help 2>&1)
- AS_CASE([$xxx_ar_flags],[*'use actual timestamps and uids/gids'*],[: ${AR_FLAGS="Ucru"}])
- 
- AC_PROG_CC
diff --git a/package/libs/wolfssl/patches/400-additional_compatibility.patch b/package/libs/wolfssl/patches/400-additional_compatibility.patch
deleted file mode 100644
index 1464e9d2a8..0000000000
--- a/package/libs/wolfssl/patches/400-additional_compatibility.patch
+++ /dev/null
@@ -1,12 +0,0 @@
---- a/cyassl/openssl/ssl.h
-+++ b/cyassl/openssl/ssl.h
-@@ -28,6 +28,9 @@
- #define CYASSL_OPENSSL_H_
- 
- #include <cyassl/ssl.h>
-+#ifndef HAVE_SNI
-+#undef CYASSL_SNI_HOST_NAME
-+#endif
- #include <wolfssl/openssl/ssl.h>
- 
- #endif
diff --git a/package/libs/wolfssl/patches/900-remove-broken-autoconf-macros.patch b/package/libs/wolfssl/patches/900-remove-broken-autoconf-macros.patch
deleted file mode 100644
index 6b0861288f..0000000000
--- a/package/libs/wolfssl/patches/900-remove-broken-autoconf-macros.patch
+++ /dev/null
@@ -1,21 +0,0 @@
---- a/configure.ac
-+++ b/configure.ac
-@@ -4614,7 +4614,6 @@ AC_CONFIG_FILES([stamp-h], [echo timesta
- AC_CONFIG_FILES([Makefile wolfssl/version.h wolfssl/options.h cyassl/options.h support/wolfssl.pc rpm/spec])
- 
- AX_CREATE_GENERIC_CONFIG
--AX_AM_JOBSERVER([yes])
- 
- AC_OUTPUT
- 
---- a/Makefile.am
-+++ b/Makefile.am
-@@ -20,8 +20,6 @@ dist_noinst_SCRIPTS =
- noinst_SCRIPTS =
- check_SCRIPTS =
- 
--#includes additional rules from aminclude.am
--@INC_AMINCLUDE@
- DISTCLEANFILES+= aminclude.am
- 
- CLEANFILES+= cert.der \