[PATCH 2/2] dpp: check for non-utf8 SSID's in scan results

[James Prestwood <prestwoj@gmail.com>]

In theory this shouldn't be possible because the configuration object
validates that the SSID is utf-8. But it doesn't hurt to check
especially since we can't control what the kernel sends us.
---
 src/dpp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/dpp.c b/src/dpp.c
index 18b2a7c6..8da79603 100644
--- a/src/dpp.c
+++ b/src/dpp.c
@@ -884,6 +884,9 @@ static bool dpp_scan_results(int err, struct l_queue *bss_list,
 	/* Purely for grabbing the SSID */
 	bss = l_queue_peek_head(bss_list);
 
+	if (L_WARN_ON(!util_ssid_is_utf8(bss->ssid_len, bss->ssid)))
+		goto reset;
+
 	memcpy(ssid, bss->ssid, bss->ssid_len);
 	ssid[bss->ssid_len] = '\0';
 
-- 
2.34.1