From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 14 Jun 2024 12:17:57 +0000 (+0200)
Subject: hostapd: use strdup on string passed to hostapd_add_iface
X-Git-Tag: v6.1-20240716~21
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=1746c3d1268f86714a5fa90258c8414109900f25;p=librecmc%2Flibrecmc.git

hostapd: use strdup on string passed to hostapd_add_iface

The data is modified within hostapd_add_iface

Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit 032d3fcf7a861b140435b6507b2b0b66361c92f8)
Link: https://github.com/openwrt/openwrt/pull/15898
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---

diff --git a/package/network/services/hostapd/src/src/ap/ucode.c b/package/network/services/hostapd/src/src/ap/ucode.c
index af97091be5..80c01b4b9b 100644
--- a/package/network/services/hostapd/src/src/ap/ucode.c
+++ b/package/network/services/hostapd/src/src/ap/ucode.c
@@ -86,12 +86,16 @@ static uc_value_t *
 uc_hostapd_add_iface(uc_vm_t *vm, size_t nargs)
 {
 	uc_value_t *iface = uc_fn_arg(0);
+	char *data;
 	int ret;
 
 	if (ucv_type(iface) != UC_STRING)
 		return ucv_int64_new(-1);
 
-	ret = hostapd_add_iface(interfaces, ucv_string_get(iface));
+	data = strdup(ucv_string_get(iface));
+	ret = hostapd_add_iface(interfaces, data);
+	free(data);
+
 	hostapd_ucode_update_interfaces();
 
 	return ucv_int64_new(ret);