From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 24 Sep 2018 12:37:52 +0000 (+0100)
Subject: [Minor] Another try to load RSA key from base64
X-Git-Tag: 1.8.0~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=41a84bc6248297a8a66f70a0991ba418b591fe07;p=thirdparty%2Frspamd.git

[Minor] Another try to load RSA key from base64
---

diff --git a/src/lua/lua_rsa.c b/src/lua/lua_rsa.c
index 50702199b4..17675e5486 100644
--- a/src/lua/lua_rsa.c
+++ b/src/lua/lua_rsa.c
@@ -328,6 +328,7 @@ lua_rsa_privkey_load_base64 (lua_State *L)
 {
 	RSA *rsa = NULL, **prsa;
 	BIO *b;
+	EVP_PKEY *evp = NULL;
 	struct rspamd_lua_text *t;
 	const gchar *data;
 	guchar *decoded;
@@ -357,17 +358,27 @@ lua_rsa_privkey_load_base64 (lua_State *L)
 		}
 
 		b = BIO_new_mem_buf (decoded, dec_len);
-		rsa = d2i_RSAPrivateKey_bio (b, NULL);
 
-		if (rsa == NULL) {
-			msg_err ("cannot open private key from data, %s",
-					ERR_error_string (ERR_get_error (), NULL));
-			lua_pushnil (L);
+		if (d2i_PrivateKey_bio (b, &evp) != NULL) {
+			rsa = EVP_PKEY_get1_RSA (evp);
+
+			if (rsa == NULL) {
+				msg_err ("cannot open RSA private key from data, %s",
+						ERR_error_string (ERR_get_error (), NULL));
+				lua_pushnil (L);
+			}
+			else {
+				prsa = lua_newuserdata (L, sizeof (RSA *));
+				rspamd_lua_setclass (L, "rspamd{rsa_privkey}", -1);
+				*prsa = rsa;
+			}
+
+			EVP_PKEY_free (evp);
 		}
 		else {
-			prsa = lua_newuserdata (L, sizeof (RSA *));
-			rspamd_lua_setclass (L, "rspamd{rsa_privkey}", -1);
-			*prsa = rsa;
+			msg_err ("cannot open EVP private key from data, %s",
+					ERR_error_string (ERR_get_error (), NULL));
+			lua_pushnil (L);
 		}
 
 		BIO_free (b);