libs/wolfssl: add SAN (Subject Alternative Name) support

x509v3 SAN extension is required to generate a certificate compatible with
chromium-based web browsers (version >58)

It can be disabled via unsetting CONFIG_WOLFSSL_ALT_NAMES

Signed-off-by: Sergey V. Lobanov <[email protected]>

package/libs/wolfssl/Config.in

@@ -55,6 +55,10 @@ config WOLFSSL_HAS_OPENVPN
 	bool "Include OpenVPN support"
 	default n
 
+config WOLFSSL_ALT_NAMES
+	bool "Include SAN (Subject Alternative Name) support"
+	default y
+
 config WOLFSSL_HAS_DEVCRYPTO
 	bool
 

package/libs/wolfssl/Makefile

@@ -32,7 +32,7 @@ PKG_CONFIG_DEPENDS:=\
 	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 CONFIG_WOLFSSL_HAS_CERTGEN \
-	CONFIG_WOLFSSL_HAS_OPENVPN
+	CONFIG_WOLFSSL_HAS_OPENVPN CONFIG_WOLFSSL_ALT_NAMES
 
 PKG_ABI_VERSION=$(patsubst %-stable,%,$(PKG_VERSION)).$(call version_abbrev,$(call confvar,$(PKG_CONFIG_DEPENDS)))
 
@@ -64,7 +64,8 @@ TARGET_CFLAGS += \
 	-fomit-frame-pointer \
 	-flto \
 	-DFP_MAX_BITS=8192 \
-	-DWOLFSSL_ALT_CERT_CHAINS
+	-DWOLFSSL_ALT_CERT_CHAINS \
+	$(if $(CONFIG_WOLFSSL_ALT_NAMES),-DWOLFSSL_ALT_NAMES)
 
 TARGET_LDFLAGS += -flto