unbound: Remove deprecated OpenSSL API

This will become pointless once OpenSSL 1.1.1 enters the tree.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/unbound/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=unbound
 PKG_VERSION:=1.8.1
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE

net/unbound/patches/200-openssl-deprecated.patch

@@ -0,0 +1,49 @@
+diff --git a/daemon/daemon.c b/daemon/daemon.c
+index 4c3d5f1..50f5060 100644
+--- a/daemon/daemon.c
++++ b/daemon/daemon.c
+@@ -769,7 +769,7 @@ daemon_delete(struct daemon* daemon)
+ #  endif
+ #  ifdef HAVE_OPENSSL_CONFIG
+ 	EVP_cleanup();
+-#  if OPENSSL_VERSION_NUMBER < 0x10100000
++#  if (OPENSSL_VERSION_NUMBER < 0x10100000) || !defined(OPENSSL_NO_ENGINE)
+ 	ENGINE_cleanup();
+ #  endif
+ 	CONF_modules_free();
+diff --git a/util/net_help.c b/util/net_help.c
+index 91368c8..a932010 100644
+--- a/util/net_help.c
++++ b/util/net_help.c
+@@ -1006,10 +1006,10 @@ void* outgoing_ssl_fd(void* sslctx, int fd)
+ static lock_basic_type *ub_openssl_locks = NULL;
+ 
+ /** callback that gets thread id for openssl */
+-static unsigned long
+-ub_crypto_id_cb(void)
++static void
++ub_crypto_id_cb(CRYPTO_THREADID *id)
+ {
+-	return (unsigned long)log_thread_get();
++	CRYPTO_THREADID_set_numeric(id, (unsigned long)log_thread_get());
+ }
+ 
+ static void
+@@ -1035,7 +1035,7 @@ int ub_openssl_lock_init(void)
+ 	for(i=0; i<CRYPTO_num_locks(); i++) {
+ 		lock_basic_init(&ub_openssl_locks[i]);
+ 	}
+-	CRYPTO_set_id_callback(&ub_crypto_id_cb);
++	CRYPTO_THREADID_set_callback(&ub_crypto_id_cb);
+ 	CRYPTO_set_locking_callback(&ub_crypto_lock_cb);
+ #endif /* OPENSSL_THREADS */
+ 	return 1;
+@@ -1047,7 +1047,7 @@ void ub_openssl_lock_delete(void)
+ 	int i;
+ 	if(!ub_openssl_locks)
+ 		return;
+-	CRYPTO_set_id_callback(NULL);
++	CRYPTO_THREADID_set_callback(NULL);
+ 	CRYPTO_set_locking_callback(NULL);
+ 	for(i=0; i<CRYPTO_num_locks(); i++) {
+ 		lock_basic_destroy(&ub_openssl_locks[i]);