mirror of
https://github.com/openharmony/kernel_linux_common_modules.git
synced 2026-08-27 01:31:36 -04:00
suwanghw
103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/*
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* auth_base_impl.h
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*
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* function definition for base hash operation
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*
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* Copyright (C) 2022 Huawei Technologies Co., Ltd.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef AUTH_BASE_IMPL_H
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#define AUTH_BASE_IMPL_H
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#ifndef SELINUX_CA_HIDL_LABEL
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#define SELINUX_CA_HIDL_LABEL ""
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#endif
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#ifndef SELINUX_TEECD_LABEL
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#define SELINUX_TEECD_LABEL ""
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#endif
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#ifndef CA_HIDL_PATH_UID_AUTH_CTX
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#define CA_HIDL_PATH_UID_AUTH_CTX ""
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#endif
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#ifndef TEECD_PATH_UID_AUTH_CTX
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#define TEECD_PATH_UID_AUTH_CTX ""
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#endif
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#ifndef CADAEMON_PATH_UID_AUTH_CTX
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#define CADAEMON_PATH_UID_AUTH_CTX ""
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#endif
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#if ((defined CONFIG_CLIENT_AUTH) || (defined CONFIG_TEECD_AUTH))
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#include <linux/version.h>
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#if (KERNEL_VERSION(4, 14, 0) <= LINUX_VERSION_CODE)
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#include <linux/sched/task.h>
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#endif
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#include <linux/err.h>
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#include <crypto/hash.h>
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#define CHECK_ACCESS_SUCC 0
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#define CHECK_ACCESS_FAIL 0xffff
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#define CHECK_PATH_HASH_FAIL 0xff01
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#define CHECK_SECLABEL_FAIL 0xff02
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#define CHECK_CODE_HASH_FAIL 0xff03
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#define ENTER_BYPASS_CHANNEL 0xff04
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#define BUF_MAX_SIZE 1024
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#define MAX_PATH_SIZE 512
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#define SHA256_DIGEST_LENTH 32
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#define MAX_SCTX_LEN 128
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struct sdesc {
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struct shash_desc shash;
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char ctx[];
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};
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int calc_path_hash(bool is_hidl_srvc, unsigned char *digest, unsigned int dig_len);
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int calc_task_hash(unsigned char *digest, uint32_t dig_len,
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struct task_struct *cur_struct, uint32_t pub_key_len);
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int tee_init_shash_handle(char *hash_type);
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void free_shash_handle(void);
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struct crypto_shash *get_shash_handle(void);
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void init_crypto_hash_lock(void);
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void mutex_crypto_hash_lock(void);
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void mutex_crypto_hash_unlock(void);
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int check_hidl_auth(void);
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int check_teecd_auth(void);
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#else
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static inline void free_shash_handle(void)
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{
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return;
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}
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static void init_crypto_hash_lock(void)
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{
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return;
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}
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static inline int check_teecd_auth(void)
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{
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return 0;
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}
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#endif /* CLIENT_AUTH || TEECD_AUTH */
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#ifdef CONFIG_CADAEMON_AUTH
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int check_cadaemon_auth(void);
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#endif
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#endif
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