From 589d4eee3b0a290ffc4625796083c3d8e84f49db Mon Sep 17 00:00:00 2001
From: Markus Uhlin <markus@nifty-networks.net>
Date: Tue, 9 Jul 2024 19:31:46 +0200
Subject: Check for a printable string

---
 FICS/variable.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'FICS')

diff --git a/FICS/variable.c b/FICS/variable.c
index 532243c..8837c96 100644
--- a/FICS/variable.c
+++ b/FICS/variable.c
@@ -412,6 +412,10 @@ set_interface(int p, char *var, char *val)
 
 	if (val == NULL || strcmp(val, "") == 0)
 		return VAR_BADVAL;
+	else if (!printablestring(val)) {
+		pprintf(p, "%s: val not printable\n", __func__);
+		return VAR_BADVAL;
+	}
 
 	cp = &(parray[p].interface[0]);
 	size = ARRAY_SIZE(parray[p].interface);
-- 
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