From: saerome kim <saerome.kim@samsung.com>
Date: Thu, 21 Sep 2017 06:35:39 +0000 (+0900)
Subject: Fix a potential buffer over flow issue (WID:32365704)
X-Git-Tag: submit/tizen/20170921.072433^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=52cd89abcfae97c6de6d55b4637d0a9d83641575;p=platform%2Fcore%2Fapi%2Fwifi-mesh.git

Fix a potential buffer over flow issue (WID:32365704)

Change-Id: Ia6100bb40339cc49633a594994edc10f282ee369
Signed-off-by: saerome kim <saerome.kim@samsung.com>
---

diff --git a/src/wifi-mesh.c b/src/wifi-mesh.c
index f59da7e..9e37a95 100644
--- a/src/wifi-mesh.c
+++ b/src/wifi-mesh.c
@@ -697,7 +697,7 @@ EXPORT_API int wifi_mesh_set_softap(wifi_mesh_h handle, const char* ssid,
 		int max_stations, int security)
 {
 	int rv = 0;
-	char buf[32] = {0,};
+	char buf[2] = {0,};
 	CHECK_FEATURE_SUPPORTED(MESH_FEATURE);
 
 	if (NULL == handle || ssid == NULL || key == NULL) {
@@ -707,10 +707,14 @@ EXPORT_API int wifi_mesh_set_softap(wifi_mesh_h handle, const char* ssid,
 		/* LCOV_EXCL_STOP */
 	}
 
-	if (channel <= 13)
-		memcpy(buf, "g", strlen("g"));
-	else
-		memcpy(buf, "a", strlen("a"));
+	if (channel <= 13) {
+		buf[0] = 'g';
+		buf[1] = 0;
+	}
+	else {
+		buf[0] = 'a';
+		buf[1] = 0;
+	}
 
 	rv = _wifi_mesh_set_softap(handle, ssid, key, buf, channel,
 			visibility, max_stations, security);