From: Aki Tuomi <aki.tuomi@dovecot.fi>
Date: Mon, 29 Oct 2018 07:49:48 +0000 (+0200)
Subject: auth: Use default scheme in Lua passdb lookup
X-Git-Tag: 2.3.4~17
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d0f05791f0f5bc4b242ac7f68514cdfeb26e249e;p=thirdparty%2Fdovecot%2Fcore.git

auth: Use default scheme in Lua passdb lookup

Fixes a null pointer crash.
---

diff --git a/src/auth/passdb-lua.c b/src/auth/passdb-lua.c
index 1c38658c0e..3da0026697 100644
--- a/src/auth/passdb-lua.c
+++ b/src/auth/passdb-lua.c
@@ -55,6 +55,9 @@ passdb_lua_lookup(struct auth_request *request,
 			auth_request_log_info(request, AUTH_SUBSYS_DB,
 				"No password returned (and no nopassword)");
 			result = PASSDB_RESULT_PASSWORD_MISMATCH;
+		} else {
+			if (*scheme_r == NULL)
+				*scheme_r = request->passdb->passdb->default_pass_scheme;
 		}
 	} else if (*password_r != NULL && **password_r != '\0') {
 		auth_request_log_info(request, AUTH_SUBSYS_DB,