Android: Switch keystore to binder

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>

src/crypto/tls_openssl.c

@@ -24,11 +24,6 @@
 #include <openssl/engine.h>
 #endif /* OPENSSL_NO_ENGINE */
 
-#ifdef ANDROID
-#include <openssl/pem.h>
-#include "keystore_get.h"
-#endif /* ANDROID */
-
 #include "common.h"
 #include "crypto.h"
 #include "tls.h"
@@ -60,6 +55,22 @@
 #endif /* OPENSSL_NO_TLSEXT */
 #endif /* SSL_set_tlsext_status_type */
 
+#ifdef ANDROID
+#include <openssl/pem.h>
+#include <keystore/keystore_get.h>
+
+static BIO * BIO_from_keystore(const char *key)
+{
+	BIO *bio = NULL;
+	uint8_t *value = NULL;
+	int length = keystore_get(key, strlen(key), &value);
+	if (length != -1 && (bio = BIO_new(BIO_s_mem())) != NULL)
+		BIO_write(bio, value, length);
+	free(value);
+	return bio;
+}
+#endif /* ANDROID */
+
 static int tls_openssl_ref_count = 0;
 
 struct tls_context {
@@ -1496,19 +1507,6 @@ static int tls_load_ca_der(void *_ssl_ctx, const char *ca_cert)
 #endif /* OPENSSL_NO_STDIO */
 
 
-#ifdef ANDROID
-static BIO * BIO_from_keystore(const char *key)
-{
-	BIO *bio = NULL;
-	char value[KEYSTORE_MESSAGE_SIZE];
-	int length = keystore_get(key, strlen(key), value);
-	if (length != -1 && (bio = BIO_new(BIO_s_mem())) != NULL)
-		BIO_write(bio, value, length);
-	return bio;
-}
-#endif /* ANDROID */
-
-
 static int tls_connection_ca_cert(void *_ssl_ctx, struct tls_connection *conn,
 				  const char *ca_cert, const u8 *ca_cert_blob,
 				  size_t ca_cert_blob_len, const char *ca_path)

wpa_supplicant/Android.mk

@@ -1540,7 +1540,7 @@ include $(LOCAL_PATH)/eap_proxy_$(CONFIG_EAP_PROXY).mk
 endif
 
 ifeq ($(CONFIG_TLS), openssl)
-LOCAL_SHARED_LIBRARIES += libcrypto libssl
+LOCAL_SHARED_LIBRARIES += libcrypto libssl libkeystore_binder
 endif
 ifdef CONFIG_DRIVER_NL80211
 LOCAL_STATIC_LIBRARIES += libnl_2