2 * Copyright (c) 2016 Samsung Electronics Co., Ltd. All rights reserved.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include <linux/limits.h>
27 #include <tzplatform_config.h>
31 #include "rua_private.h"
35 char *_rua_util_get_db_path(uid_t uid, char *db_name)
37 char db_path[PATH_MAX];
38 const char *db_path_prefix;
40 if (strcmp(db_name, RUA_DB_NAME) == 0) {
41 snprintf(db_path, sizeof(db_path), "/run/aul/dbspace/%d/%s",
44 tzplatform_set_user(uid);
45 db_path_prefix = tzplatform_getenv(TZ_USER_DB);
46 tzplatform_reset_user();
47 snprintf(db_path, sizeof(db_path), "%s/%s", db_path_prefix, db_name);
49 LOGD("db path %s", db_path);
50 return strdup(db_path);
53 #define BUSY_WAITING_USEC (1000000 / 10 / 2) /* 0.05 sec */
54 #define BUSY_WAITING_MAX 20 /* wait for max 1 sec */
55 static int __db_busy_handler(void *data, int count)
57 /* sqlite3_prepare_V2 will return SQLITE_BUSY */
58 if (count >= BUSY_WAITING_MAX)
61 usleep(BUSY_WAITING_USEC);
66 int _rua_util_open_db(sqlite3 **db, int flags, uid_t uid, char *db_name)
71 db_path = _rua_util_get_db_path(uid, db_name);
72 if (db_path == NULL) {
73 LOGE("out of memory _rua_util_get_db_path fail");
77 r = sqlite3_open_v2(db_path, db, flags, NULL);
80 LOGE("open db failed: %d", r);
84 r = sqlite3_busy_handler(*db, __db_busy_handler, NULL);
86 LOGE("register busy handler failed: %s", sqlite3_errmsg(*db));
87 sqlite3_close_v2(*db);
94 int _rua_util_check_uid(uid_t target_uid)
98 if (uid > BASE_UID && uid != target_uid) {
99 LOGE("Invalid UID : %d, target UID : %d", uid, target_uid);