Fix hostapd build with LibreSSL 2.7

[Bernard Spil <bernard@xxxxxxxxxxxxx>]

Hi all,

Please find a git diff against head attached as well as the patches we 
use in FreeBSD for hostap 2.6.

Cheers,

Bernard Spil

diff --git a/src/crypto/crypto_openssl.c b/src/crypto/crypto_openssl.c
index b63b35e9f..a24459649 100644
--- a/src/crypto/crypto_openssl.c
+++ b/src/crypto/crypto_openssl.c
@@ -33,7 +33,8 @@
 #include "aes_wrap.h"
 #include "crypto.h"
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 /* Compatibility wrappers for older versions. */
 
 static HMAC_CTX * HMAC_CTX_new(void)
@@ -79,7 +80,8 @@ static void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
 
 static BIGNUM * get_group5_prime(void)
 {
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
+	!(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	return BN_get_rfc3526_prime_1536(NULL);
 #elif !defined(OPENSSL_IS_BORINGSSL)
 	return get_rfc3526_prime_1536(NULL);
@@ -681,7 +683,8 @@ void crypto_cipher_deinit(struct crypto_cipher *ctx)
 
 void * dh5_init(struct wpabuf **priv, struct wpabuf **publ)
 {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	DH *dh;
 	struct wpabuf *pubkey = NULL, *privkey = NULL;
 	size_t publen, privlen;
@@ -782,7 +785,8 @@ err:
 
 void * dh5_init_fixed(const struct wpabuf *priv, const struct wpabuf *publ)
 {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	DH *dh;
 
 	dh = DH_new();
diff --git a/src/crypto/tls_openssl.c b/src/crypto/tls_openssl.c
index 4413ec325..52520a75d 100644
--- a/src/crypto/tls_openssl.c
+++ b/src/crypto/tls_openssl.c
@@ -59,7 +59,7 @@ typedef int stack_index_t;
 #endif /* SSL_set_tlsext_status_type */
 
 #if (OPENSSL_VERSION_NUMBER < 0x10100000L || \
-     defined(LIBRESSL_VERSION_NUMBER)) &&    \
+     (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)) &&    \
     !defined(BORINGSSL_API_VERSION)
 /*
  * SSL_get_client_random() and SSL_get_server_random() were added in OpenSSL
@@ -931,7 +931,8 @@ void * tls_init(const struct tls_config *conf)
 		}
 #endif /* OPENSSL_FIPS */
 #endif /* CONFIG_FIPS */
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 		SSL_load_error_strings();
 		SSL_library_init();
 #ifndef OPENSSL_NO_SHA256
@@ -1063,7 +1064,8 @@ void tls_deinit(void *ssl_ctx)
 
 	tls_openssl_ref_count--;
 	if (tls_openssl_ref_count == 0) {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 #ifndef OPENSSL_NO_ENGINE
 		ENGINE_cleanup();
 #endif /* OPENSSL_NO_ENGINE */
@@ -3409,7 +3411,8 @@ int tls_connection_get_random(void *ssl_ctx, struct tls_connection *conn,
 #ifdef OPENSSL_NEED_EAP_FAST_PRF
 static int openssl_get_keyblock_size(SSL *ssl)
 {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	const EVP_CIPHER *c;
 	const EVP_MD *h;
 	int md_size;
@@ -4535,7 +4538,8 @@ static int tls_sess_sec_cb(SSL *s, void *secret, int *secret_len,
 	struct tls_connection *conn = arg;
 	int ret;
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	if (conn == NULL || conn->session_ticket_cb == NULL)
 		return 0;
 

--- src/crypto/crypto_openssl.c.orig	2016-10-02 18:51:11 UTC
+++ src/crypto/crypto_openssl.c
@@ -33,7 +33,8 @@
 #include "aes_wrap.h"
 #include "crypto.h"
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 /* Compatibility wrappers for older versions. */
 
 static HMAC_CTX * HMAC_CTX_new(void)
@@ -79,7 +80,8 @@ static void EVP_MD_CTX_free(EVP_MD_CTX *
 
 static BIGNUM * get_group5_prime(void)
 {
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
+	!(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	return BN_get_rfc3526_prime_1536(NULL);
 #elif !defined(OPENSSL_IS_BORINGSSL)
 	return get_rfc3526_prime_1536(NULL);
@@ -611,7 +613,8 @@ void crypto_cipher_deinit(struct crypto_
 
 void * dh5_init(struct wpabuf **priv, struct wpabuf **publ)
 {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	DH *dh;
 	struct wpabuf *pubkey = NULL, *privkey = NULL;
 	size_t publen, privlen;
@@ -712,7 +715,8 @@ err:
 
 void * dh5_init_fixed(const struct wpabuf *priv, const struct wpabuf *publ)
 {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	DH *dh;
 
 	dh = DH_new();

--- src/crypto/tls_openssl.c.orig	2016-10-02 18:51:11 UTC
+++ src/crypto/tls_openssl.c
@@ -59,7 +59,7 @@ typedef int stack_index_t;
 #endif /* SSL_set_tlsext_status_type */
 
 #if (OPENSSL_VERSION_NUMBER < 0x10100000L || \
-     defined(LIBRESSL_VERSION_NUMBER)) &&    \
+     (defined(LIBRESSL_VERSION_NUMBER)) && LIBRESSL_VERSION_NUMBER < 0x20700000L) && \
     !defined(BORINGSSL_API_VERSION)
 /*
  * SSL_get_client_random() and SSL_get_server_random() were added in OpenSSL
@@ -3105,7 +3105,8 @@ int tls_connection_get_random(void *ssl_
 #ifdef OPENSSL_NEED_EAP_FAST_PRF
 static int openssl_get_keyblock_size(SSL *ssl)
 {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	const EVP_CIPHER *c;
 	const EVP_MD *h;
 	int md_size;
@@ -4159,7 +4160,8 @@ static int tls_sess_sec_cb(SSL *s, void 
 	struct tls_connection *conn = arg;
 	int ret;
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	if (conn == NULL || conn->session_ticket_cb == NULL)
 		return 0;
 
@@ -4254,7 +4256,8 @@ int tls_connection_set_session_ticket_cb
 
 int tls_get_library_version(char *buf, size_t buf_len)
 {
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
+	!(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	return os_snprintf(buf, buf_len, "OpenSSL build=%s run=%s",
 			   OPENSSL_VERSION_TEXT,
 			   OpenSSL_version(OPENSSL_VERSION));

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