From: sangwan.kwon <sangwan.kwon@samsung.com>
Date: Fri, 17 Feb 2017 03:54:52 +0000 (+0900)
Subject: Add descriptor check before creating
X-Git-Tag: submit/tizen/20170410.073400~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2170e3910806f118ee24009abdadd9a379bbec32;p=platform%2Fcore%2Fsecurity%2Fklay.git

Add descriptor check before creating

Descriptor can be leaked when (open | create) called continuously.

Change-Id: If5be52386ab189ce16cfcfebbdd0d0fbeb49207f
Signed-off-by: sangwan.kwon <sangwan.kwon@samsung.com>
---

diff --git a/src/filesystem.cpp b/src/filesystem.cpp
index 9782144..e8bfbbe 100644
--- a/src/filesystem.cpp
+++ b/src/filesystem.cpp
@@ -180,6 +180,10 @@ size_t File::size() const
 
 void File::create(mode_t mode)
 {
+	if (descriptor != -1) {
+		close();
+	}
+
 	while (1) {
 		descriptor = ::creat(path.c_str(), mode);
 		if (descriptor == -1) {
@@ -194,6 +198,10 @@ void File::create(mode_t mode)
 
 void File::open(int flags)
 {
+	if (descriptor != -1) {
+		close();
+	}
+
 	while (1) {
 		descriptor = ::open(path.c_str(), flags);
 		if (descriptor == -1) {