ifapi_policy_execute.h

/* SPDX-License-Identifier: BSD-2-Clause */
/*******************************************************************************
 * Copyright 2018-2019, Fraunhofer SIT sponsored by Infineon Technologies AG
 * All rights reserved.
 *******************************************************************************/
#ifndef FAPI_POLICY_EXECUTE_H
#define FAPI_POLICY_EXECUTE_H
 
#include <stdint.h>
#include <stdarg.h>
#include <stdbool.h>
#include <sys/stat.h>
#include <json-c/json.h>
#include <json-c/json_util.h>
 
#include "tss2_esys.h"
#include "tss2_fapi.h"
 
TSS2_RC
ifapi_extend_authorization(
    TPMS_POLICY *policy,
    TPMS_POLICYAUTHORIZATION *authorization);
 
typedef TSS2_RC(*Policy_Compare_Object)(
    TPMS_POLICY *policy,
    void *object1,
    void *object2,
    bool *found);
 
struct POLICY_LIST {
    const char *path;            
    TPMS_POLICY policy;          
    struct POLICY_LIST *next;    
};
 
struct policy_object_node {
    const char *path;                  
    TPMS_POLICY policy;                
    struct policy_object_node *next;   
};
 
enum IFAPI_STATE_POLICY_EXCECUTE {
    POLICY_EXECUTE_INIT = 0,
    POLICY_EXECUTE_FINISH,
    POLICY_EXECUTE_CALLBACK,
    POLICY_LOAD_KEY,
    POLICY_LOAD_KEYEDHASH,
    POLICY_FLUSH_KEY,
    POLICY_VERIFY,
    POLICY_AUTH_CALLBACK,
    POLICY_AUTH_SENT,
    POLICY_EXEC_ESYS
};
 
typedef struct IFAPI_POLICY_CALLBACK_CTX IFAPI_POLICY_CALLBACK_CTX;
 
struct IFAPI_POLICY_EXEC_CTX {
    enum IFAPI_STATE_POLICY_EXCECUTE state;
    TPML_DIGEST digest_list;        
    IFAPI_POLICY_EXEC_CTX *next;    
    IFAPI_POLICY_EXEC_CTX *prev;    
    ESYS_TR session;                
    TPMS_POLICY *policy;
    ESYS_TR policySessionSav;       
    ESYS_TR *enc_session;           
    ESYS_TR object_handle;
    ESYS_TR nv_index;
    ESYS_TR auth_handle;
    IFAPI_OBJECT auth_objectNV;       
    IFAPI_OBJECT *auth_object;        
    ESYS_TR auth_session;
    TPMI_ALG_HASH hash_alg;
    void  *app_data;                
    NODE_OBJECT_T *policy_elements; 
    TPM2B_DIGEST *nonceTPM;
    uint8_t *buffer;
    size_t buffer_size;
    TPM2B_NAME name;
    char *pem_key;                   
    struct POLICY_LIST *policy_list;
    bool flush_handle;              
    TSS2_POLICY_EXEC_CALLBACKS callbacks;
};
 
TSS2_RC
ifapi_policyeval_execute_prepare(
    IFAPI_POLICY_EXEC_CTX *pol_ctx,
    TPMI_ALG_HASH hash_alg,
    TPMS_POLICY *policy);
 
TSS2_RC
ifapi_policyeval_execute(
    ESYS_CONTEXT *esys_ctx,
    IFAPI_POLICY_EXEC_CTX *current_policy,
    bool do_flush);
 
#endif /* FAPI_POLICY_EXECUTE_H */