[Minor] Plug some leaks on error paths

Found by: coverity scan

4 files changed, 15 insertions, 1 deletions

diff --git a/src/lua/lua_http.c b/src/lua/lua_http.c
index d85664ef0..a92c1fe8f 100644
--- a/src/lua/lua_http.c
+++ b/src/lua/lua_http.c
@@ -978,6 +978,12 @@ lua_http_request (lua_State *L)
 	}
 
 	if (ev_base == NULL) {
+		g_free (auth);
+		rspamd_http_message_unref (msg);
+		if (body) {
+			rspamd_fstring_free (body);
+		}
+
 		return luaL_error (L,
 				"Bad params to rspamd_http:request(): ev_base isn't passed");
 	}
diff --git a/src/lua/lua_rsa.c b/src/lua/lua_rsa.c
index 4b2caa2bf..5e34bc2c6 100644
--- a/src/lua/lua_rsa.c
+++ b/src/lua/lua_rsa.c
@@ -664,6 +664,8 @@ lua_rsa_sign_memory (lua_State *L)
 				signature->str, (guint *)&signature->len, rsa);
 
 		if (ret != 1) {
+			rspamd_fstring_free (signature);
+
 			return luaL_error (L, "cannot sign: %s",
 					ERR_error_string (ERR_get_error (), NULL));
 		}
diff --git a/src/lua/lua_text.c b/src/lua/lua_text.c
index dde7e2c23..bec16c3b6 100644
--- a/src/lua/lua_text.c
+++ b/src/lua/lua_text.c
@@ -920,6 +920,10 @@ lua_text_split (lua_State *L)
 	struct rspamd_lua_regexp *re;
 	gboolean stringify = FALSE, own_re = FALSE;
 
+	if (t == NULL) {
+		return luaL_error (L, "invalid arguments");
+	}
+
 	if (lua_type (L, 2) == LUA_TUSERDATA) {
 		re = lua_check_regexp (L, 2);
 	}
@@ -947,7 +951,7 @@ lua_text_split (lua_State *L)
 		own_re = TRUE;
 	}
 
-	if (t && re) {
+	if (re) {
 		if (lua_isboolean (L, 3)) {
 			stringify = lua_toboolean (L, 3);
 		}
diff --git a/src/lua/lua_url.c b/src/lua/lua_url.c
index 3298c7bed..26dd1eb7c 100644
--- a/src/lua/lua_url.c
+++ b/src/lua/lua_url.c
@@ -1169,6 +1169,8 @@ lua_url_cbdata_fill (lua_State *L,
 			}
 			else {
 				msg_info ("bad url protocol: %s", *cvec);
+				g_strfreev (strvec);
+
 				return FALSE;
 			}