bind: add patch to build with libressl 2.3

pkgs/servers/dns/bind/default.nix

@@ -10,10 +10,12 @@ stdenv.mkDerivation rec {
     sha256 = "1w4gp4hdkb452nmz91l413d1rx89isl2l6wv8kpbdd2afpc3phws";
   };
 
-  patchPhase = ''
+  postPatchPhase = ''
     sed -i 's/^\t.*run/\t/' Makefile.in
   '';
 
+  patches = [ ./libressl.patch ];
+
   buildInputs = [ openssl libtool perl libxml2 ];
 
   configureFlags = [

pkgs/servers/dns/bind/libressl.patch

@@ -0,0 +1,102 @@
+$OpenBSD: patch-lib_dns_openssl_link_c,v 1.1 2015/09/16 15:28:16 sthen Exp $
+--- a/lib/dns/openssl_link.c	Wed Sep 16 14:01:23 2015
++++ b/lib/dns/openssl_link.c	Wed Sep 16 14:01:46 2015
+@@ -88,7 +88,7 @@ entropy_getpseudo(unsigned char *buf, int num) {
+ 	return (result == ISC_R_SUCCESS ? 1 : -1);
+ }
+ 
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ static void
+ entropy_add(const void *buf, int num, double entropy) {
+ 	/*
+@@ -121,7 +121,7 @@ lock_callback(int mode, int type, const char *file, in
+ 		UNLOCK(&locks[type]);
+ }
+ 
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ static unsigned long
+ id_callback(void) {
+ 	return ((unsigned long)isc_thread_self());
+@@ -187,7 +187,7 @@ dst__openssl_init(const char *engine) {
+ 	if (result != ISC_R_SUCCESS)
+ 		goto cleanup_mutexalloc;
+ 	CRYPTO_set_locking_callback(lock_callback);
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ 	CRYPTO_set_id_callback(id_callback);
+ #endif
+ 
+@@ -287,7 +287,7 @@ dst__openssl_destroy(void) {
+ 	CRYPTO_cleanup_all_ex_data();
+ #endif
+ 	ERR_clear_error();
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ 	ERR_remove_state(0);
+ #endif
+ 	ERR_free_strings();
+--- a/lib/dns/dst_openssl.h	Wed Sep 16 14:00:47 2015
++++ b/lib/dns/dst_openssl.h	Wed Sep 16 14:02:42 2015
+@@ -36,7 +36,7 @@
+ #define USE_ENGINE 1
+ #endif
+ 
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ /*
+  * These are new in OpenSSL 1.1.0.  BN_GENCB _cb needs to be declared in
+  * the function like this before the BN_GENCB_new call:
+--- a/lib/dns/openssldh_link.c	Wed Sep 16 14:01:23 2015
++++ b/lib/dns/openssldh_link.c	Wed Sep 16 14:02:06 2015
+@@ -173,7 +173,7 @@ openssldh_generate(dst_key_t *key, int generator, void
+ 	DH *dh = NULL;
+ #if OPENSSL_VERSION_NUMBER > 0x00908000L
+ 	BN_GENCB *cb;
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ 	BN_GENCB _cb;
+ #endif
+ 	union {
+@@ -210,7 +210,7 @@ openssldh_generate(dst_key_t *key, int generator, void
+ 		if (dh == NULL)
+ 			return (dst__openssl_toresult(ISC_R_NOMEMORY));
+ 		cb = BN_GENCB_new();
+-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
++#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+ 		if (cb == NULL) {
+ 			DH_free(dh);
+ 			return (dst__openssl_toresult(ISC_R_NOMEMORY));
+--- a/lib/dns/openssldsa_link.c	Wed Sep 16 14:01:23 2015
++++ b/lib/dns/openssldsa_link.c	Wed Sep 16 14:02:22 2015
+@@ -359,7 +359,7 @@ openssldsa_generate(dst_key_t *key, int unused, void (
+ 	isc_result_t result;
+ #if OPENSSL_VERSION_NUMBER > 0x00908000L
+ 	BN_GENCB *cb;
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ 	BN_GENCB _cb;
+ #endif
+ 	union {
+@@ -383,7 +383,7 @@ openssldsa_generate(dst_key_t *key, int unused, void (
+ 	if (dsa == NULL)
+ 		return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
+ 	cb = BN_GENCB_new();
+-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
++#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+ 	if (cb == NULL) {
+ 		DSA_free(dsa);
+ 		return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
+$OpenBSD: patch-lib_dns_opensslrsa_link_c,v 1.1 2015/09/16 15:28:16 sthen Exp $
+--- a/lib/dns/opensslrsa_link.c	Wed Sep 16 14:01:23 2015
++++ b/lib/dns/opensslrsa_link.c	Wed Sep 16 14:02:31 2015
+@@ -771,7 +771,7 @@ opensslrsa_generate(dst_key_t *key, int exp, void (*ca
+ 	} u;
+ 	RSA *rsa = RSA_new();
+ 	BIGNUM *e = BN_new();
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ 	BN_GENCB _cb;
+ #endif
+ 	BN_GENCB *cb = BN_GENCB_new();