1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef HKS_FILE_OPERATOR_H 17 #define HKS_FILE_OPERATOR_H 18 19 #include "hks_type.h" 20 21 #define HKS_MAX_FILE_NAME_LEN 512 22 23 #ifdef L2_STANDARD 24 #define HKS_KEY_STORE_PATH "/data/service/el1/public/huks_service/maindata" 25 #define HKS_KEY_STORE_BAK_PATH "/data/service/el1/public/huks_service/bakdata" 26 #else 27 #ifdef _STORAGE_LITE_ 28 #define HKS_KEY_STORE_PATH HKS_CONFIG_KEY_STORE_PATH 29 #else 30 #ifdef HKS_CONFIG_KEY_STORE_PATH 31 #define HKS_KEY_STORE_PATH HKS_CONFIG_KEY_STORE_PATH "/maindata" 32 #define HKS_KEY_STORE_BAK_PATH HKS_CONFIG_KEY_STORE_PATH "/bakdata" 33 #else 34 #define HKS_KEY_STORE_PATH "/storage/maindata" 35 #define HKS_KEY_STORE_BAK_PATH "/storage/bakdata" 36 #endif 37 #endif 38 #endif 39 #define HKS_KEY_STORE_KEY_PATH "key" 40 #define HKS_KEY_STORE_CERTCHAIN_PATH "certchain" 41 #define HKS_KEY_STORE_ROOT_KEY_PATH "info" 42 43 #define HKS_PROCESS_INFO_LEN 128 44 #define HKS_MAX_DIRENT_FILE_LEN 128 45 struct HksFileDirentInfo { 46 char fileName[HKS_MAX_DIRENT_FILE_LEN]; /* point to dirent->d_name */ 47 }; 48 49 enum HksStoragePathType { 50 HKS_STORAGE_MAIN_PATH, 51 HKS_STORAGE_BACKUP_PATH, 52 }; 53 54 #ifdef __cplusplus 55 extern "C" { 56 #endif 57 58 uint32_t HksFileRead(const char *path, const char *fileName, uint32_t offset, uint8_t *buf, uint32_t len); 59 60 int32_t HksFileWrite(const char *path, const char *fileName, uint32_t offset, const uint8_t *buf, uint32_t len); 61 62 int32_t HksFileRemove(const char *path, const char *fileName); 63 64 uint32_t HksFileSize(const char *path, const char *fileName); 65 66 int32_t HksIsFileExist(const char *path, const char *fileName); 67 68 int32_t HksIsDirExist(const char *path); 69 70 int32_t HksMakeDir(const char *path); 71 72 void *HksOpenDir(const char *path); 73 74 int32_t HksCloseDir(void *dirp); 75 76 int32_t HksGetDirFile(void *dirp, struct HksFileDirentInfo *direntInfo); 77 78 int32_t HksRemoveDir(const char *dirPath); 79 80 int32_t HksDeleteDir(const char *path); 81 82 /* return < 0 error; > 0 realFileSize; == 0 no data */ 83 int32_t HksOldVersionFileRead(const char *fileName, uint32_t offset, uint8_t *buf, uint32_t len); 84 85 int32_t HksOldVersionFileRemove(const char *fileName); 86 87 /* return < 0 error; >= 0 realFileSize */ 88 int32_t HksOldVersionFileSize(const char *fileName); 89 90 /* return true, exist; false not exist */ 91 bool HksOldVersionIsFileExist(const char *fileName); 92 93 int32_t HksGetStoragePath(enum HksStoragePathType pathType, char *path, uint32_t *len); 94 95 int32_t HksGetFileName(const char *path, const char *fileName, char *fullFileName, uint32_t fullFileNameLen); 96 97 #ifdef __cplusplus 98 } 99 #endif 100 101 #endif /* HKS_FILE_OPERATOR_H */ 102