From: Alan T. DeKok <aland@freeradius.org>
Date: Mon, 28 Aug 2023 00:51:25 +0000 (-0400)
Subject: inst->xlat may not exist in some circumstances
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e45f4984d02375564c460fb895eada33fc5190c;p=thirdparty%2Ffreeradius-server.git

inst->xlat may not exist in some circumstances
---

diff --git a/src/lib/unlang/xlat_expr.c b/src/lib/unlang/xlat_expr.c
index c83492f2880..719bf77c466 100644
--- a/src/lib/unlang/xlat_expr.c
+++ b/src/lib/unlang/xlat_expr.c
@@ -1428,12 +1428,16 @@ static xlat_arg_parser_t const xlat_func_exists_arg[] = {
 /*
  *	We just print the xlat as-is.
  */
-static fr_slen_t xlat_expr_print_exists(fr_sbuff_t *out, UNUSED xlat_exp_t const *node, void *instance, fr_sbuff_escape_rules_t const *e_rules)
+static fr_slen_t xlat_expr_print_exists(fr_sbuff_t *out, xlat_exp_t const *node, void *instance, fr_sbuff_escape_rules_t const *e_rules)
 {
-	size_t			at_in = fr_sbuff_used_total(out);
+	size_t	at_in = fr_sbuff_used_total(out);
 	xlat_exists_inst_t	*inst = instance;
 
-	xlat_print(out, inst->xlat, e_rules);
+	if (inst->xlat) {
+		xlat_print(out, inst->xlat, e_rules);
+	} else {
+		xlat_print_node(out, node->call.args, xlat_exp_head(node->call.args), e_rules);
+	}
 
 	return fr_sbuff_used_total(out) - at_in;
 }