From 463d77c457fe6d7e09182f474a5c465d7c0b9595 Mon Sep 17 00:00:00 2001
From: Wonnam Jang <wn.jang@samsung.com>
Date: Thu, 8 Mar 2018 09:02:04 +0900
Subject: [PATCH] Load default config file when user config is invalid

Change-Id: Ia34d37a7799c923b1e6127f1bd127868a59a380d
Signed-off-by: Wonnam Jang <wn.jang@samsung.com>
---
 common/stt_config_parser.c | 58 ++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 54 insertions(+), 4 deletions(-)

diff --git a/common/stt_config_parser.c b/common/stt_config_parser.c
index 6786c71..77d0c79 100644
--- a/common/stt_config_parser.c
+++ b/common/stt_config_parser.c
@@ -12,6 +12,8 @@
 */
 
 #include <dlog.h>
+#include <sys/stat.h>
+#include <unistd.h>
 #include <vconf.h>
 
 #include "stt_defs.h"
@@ -319,14 +321,37 @@ int stt_parser_load_config(stt_config_s** config_info)
 	xmlChar *key;
 	bool is_default_open = false;
 
-	doc = xmlParseFile(STT_CONFIG);
-	if (doc == NULL) {
+	if (0 != access(STT_CONFIG, F_OK)) {
 		doc = xmlParseFile(STT_DEFAULT_CONFIG);
 		if (doc == NULL) {
 			SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to parse file error : %s", STT_DEFAULT_CONFIG);
+			xmlCleanupParser();
 			return -1;
 		}
 		is_default_open = true;
+	} else {
+		int retry_count = 0;
+
+		while (NULL == doc) {
+			doc = xmlParseFile(STT_CONFIG);
+			if (NULL != doc) {
+				break;
+			}
+			retry_count++;
+			usleep(10000);
+
+			if (STT_RETRY_COUNT == retry_count) {
+				SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to parse file error : %s", STT_CONFIG);
+				doc = xmlParseFile(STT_DEFAULT_CONFIG);
+				if (NULL == doc) {
+					SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to parse file error : %s", STT_DEFAULT_CONFIG);
+					xmlCleanupParser();
+					return -1;
+				}
+				is_default_open = true;
+				break;
+			}
+		}
 	}
 
 	cur = xmlDocGetRootElement(doc);
@@ -450,8 +475,33 @@ int stt_parser_load_config(stt_config_s** config_info)
 	*config_info = temp;
 	g_config_doc = doc;
 
-	if (is_default_open)
-		xmlSaveFile(STT_CONFIG, g_config_doc);
+	if (is_default_open) {
+		int retry_count = 0;
+		int ret = -1;
+		do {
+			ret = xmlSaveFile(STT_CONFIG, g_config_doc);
+			if (0 < ret)
+				break;
+			retry_count++;
+			usleep(10000);
+
+			if (STT_RETRY_COUNT == retry_count) {
+				SLOG(LOG_ERROR, stt_tag(), "[ERROR] Save result : %d", ret);
+				return -1;
+			}
+		} while (0 != ret);
+
+		/* Set mode */
+		if (0 > chmod(STT_CONFIG, 0600)) {
+			SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to change file mode : %d", ret);
+		}
+
+		/* Set owner */
+		if (0 > chown(STT_CONFIG, 5000, 5000)) {
+			SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to change file owner : %d", ret);
+		}
+		SLOG(LOG_DEBUG, stt_tag(), "Default config is changed : pid(%d)", getpid());
+	}
 
 	return 0;
 }
-- 
2.7.4