From f603c7ac366b90649d8635b600dd646f40dac25a Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Mon, 7 Nov 2016 23:29:45 +1100
Subject: openssl.x509.store: Add xs_push to push an existing X509_STORE

---
 src/openssl.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/openssl.c b/src/openssl.c
index 4564061..d7b572e 100644
--- a/src/openssl.c
+++ b/src/openssl.c
@@ -259,6 +259,10 @@
 #define HAVE_X509_UP_REF OPENSSL_PREREQ(1,1,0)
 #endif
 
+#ifndef HAVE_X509_STORE_UP_REF
+#define HAVE_X509_STORE_UP_REF OPENSSL_PREREQ(1,1,0)
+#endif
+
 #ifndef HMAC_INIT_EX_INT
 #define HMAC_INIT_EX_INT OPENSSL_PREREQ(1,0,0)
 #endif
@@ -1599,6 +1603,18 @@ static int compat_X509_up_ref(X509 *crt) {
 } /* compat_X509_up_ref() */
 #endif
 
+#if !HAVE_X509_STORE_UP_REF
+#define X509_STORE_up_ref(...) compat_X509_STORE_up_ref(__VA_ARGS__)
+
+static int compat_X509_STORE_up_ref(X509_STORE *crt) {
+	/* our caller should already have had a proper reference */
+	if (CRYPTO_add(&crt->references, 1, CRYPTO_LOCK_X509_STORE) < 2)
+		return 0; /* fail */
+
+	return 1;
+} /* compat_X509_STORE_up_ref() */
+#endif
+
 static int compat_init(void) {
 	static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
 	static int store_index = -1, ssl_ctx_index = -1, done;
@@ -6744,6 +6760,16 @@ static int xs_new(lua_State *L) {
 } /* xs_new() */
 
 
+static X509_STORE *xs_push(lua_State *L, X509_STORE *store) {
+	X509_STORE **ud = prepsimple(L, X509_STORE_CLASS);
+
+	X509_STORE_up_ref(store);
+	*ud = store;
+
+	return *ud;
+} /* xs_push() */
+
+
 static int xs_interpose(lua_State *L) {
 	return interpose(L, X509_STORE_CLASS);
 } /* xs_interpose() */
-- 
cgit v1.2.3-59-g8ed1b