From: Cheoleun Moon <chleun.moon@samsung.com>
Date: Thu, 2 Apr 2020 09:02:48 +0000 (+0900)
Subject: Fix overflow
X-Git-Tag: submit/tizen/20200403.050222~2^2~1^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=15f396198abaa05427fdcc262f97d8ee7071fd66;p=platform%2Fcore%2Fapi%2Fwifi-aware.git

Fix overflow
---

diff --git a/test/wifi-aware-test.c b/test/wifi-aware-test.c
index d3cd5af..7ea0c8e 100644
--- a/test/wifi-aware-test.c
+++ b/test/wifi-aware-test.c
@@ -428,22 +428,26 @@ static int __set_match_filter(unsigned char match_filter[MAX_MATCH_FILTER_LEN +
 		return -1;
 	}
 	for (int i = 0; i < total_num; ++i) {
+		if (total_len > MAX_MATCH_FILTER_LEN) {
+			printf("The length of filter value is longer than max length(%d)", MAX_MATCH_FILTER_LEN);
+			return -1;
+		}
 		printf("%d match filter len: ", i);
 		if (scanf("%d", &len) < 0)
 			return -1;
-		printf("%d match filter value: ", i);
-		if (scanf("%255s", filter) < 0)
-			return -1;
-		if (len != strlen(filter)) {
-			printf("The length of filter value is not %d\n", len);
+		if (len <= 0 || len > MAX_MATCH_FILTER_LEN) {
+			printf("Invalid match filter lentgh");
 			return -1;
 		}
-		if (total_len > MAX_MATCH_FILTER_LEN) {
+		if (total_len + len > MAX_MATCH_FILTER_LEN) {
 			printf("The length of filter value is longer than max length(%d)", MAX_MATCH_FILTER_LEN);
 			return -1;
 		}
-		if (total_len + len > MAX_MATCH_FILTER_LEN) {
-			printf("The length of filter value is longer than max length(%d)", MAX_MATCH_FILTER_LEN);
+		printf("%d match filter value: ", i);
+		if (scanf("%255s", filter) < 0)
+			return -1;
+		if (len != strlen(filter)) {
+			printf("The length of filter value is not %d\n", len);
 			return -1;
 		}
 		match_filter[total_len++] = len;