xref: /aosp_15_r20/external/tpm2-tss/test/integration/fapi-nv-written-policy.int.c (revision 758e9fba6fc9adbf15340f70c73baee7b168b1c9)
1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /*******************************************************************************
3  * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
4  * All rights reserved.
5  *******************************************************************************/
6 
7 #ifdef HAVE_CONFIG_H
8 #include <config.h>
9 #endif
10 
11 #include <stdlib.h>
12 #include <stdio.h>
13 #include <inttypes.h>
14 #include <string.h>
15 #include <unistd.h>
16 
17 #include "tss2_fapi.h"
18 
19 #define LOGMODULE test
20 #include "util/log.h"
21 #include "util/aux_util.h"
22 
23 #define NV_SIZE 10
24 
25 /** Test the FAPI policy PolicyNvWritten.
26  *
27  * Tested FAPI commands:
28  *  - Fapi_Provision()
29  *  - Fapi_CreateNv()
30  *  - Fapi_SetAppData()
31  *  - Fapi_GetAppData()
32  *  - Fapi_NvWrite()
33  *  - Fapi_Delete()
34  *
35  * Tested Policies:
36  *  - PolicyNvWritten
37  *
38  * @param[in,out] context The FAPI_CONTEXT.
39  * @retval EXIT_FAILURE
40  * @retval EXIT_SUCCESS
41  */
42 int
test_fapi_nv_written_policy(FAPI_CONTEXT * context)43 test_fapi_nv_written_policy(FAPI_CONTEXT *context)
44 {
45     TSS2_RC r;
46     char *nvPathOrdinary = "/nv/Owner/myNV";
47     char *policy_name =  "/policy/pol_nv_written";
48     char *policy_file = TOP_SOURCEDIR "/test/data/fapi/policy/pol_nv_written.json";
49     FILE *stream = NULL;
50     char *json_policy = NULL;
51     long policy_size;
52     uint8_t *appData = NULL;
53     size_t appDataSize;
54 
55     r = Fapi_Provision(context, NULL, NULL, NULL);
56     goto_if_error(r, "Error Fapi_Provision", error);
57 
58     uint8_t data_src[NV_SIZE] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
59 
60     stream = fopen(policy_file, "r");
61     if (!stream) {
62         LOG_ERROR("File %s does not exist", policy_file);
63         goto error;
64     }
65     fseek(stream, 0L, SEEK_END);
66     policy_size = ftell(stream);
67     fclose(stream);
68     json_policy = malloc(policy_size + 1);
69     goto_if_null(json_policy,
70             "Could not allocate memory for the JSON policy",
71             TSS2_FAPI_RC_MEMORY, error);
72 
73     stream = fopen(policy_file, "r");
74     ssize_t ret = read(fileno(stream), json_policy, policy_size);
75     if (ret != policy_size) {
76         LOG_ERROR("IO error %s.", policy_file);
77         goto error;
78     }
79     json_policy[policy_size] = '\0';
80 
81     r = Fapi_Import(context, policy_name, json_policy);
82     goto_if_error(r, "Error Fapi_Import", error);
83 
84     /* Empty auth noda set */
85     r = Fapi_CreateNv(context, nvPathOrdinary, "noda", 10, policy_name, "");
86     goto_if_error(r, "Error Fapi_CreateNv", error);
87 
88     r = Fapi_SetAppData(context, nvPathOrdinary, data_src, NV_SIZE);
89     goto_if_error(r, "Error Fapi_SetAppData", error);
90 
91     r = Fapi_GetAppData(context, nvPathOrdinary, &appData, &appDataSize);
92     goto_if_error(r, "Error Fapi_GetAppData", error);
93 
94     if (NV_SIZE != appDataSize ||
95             memcmp(appData, &data_src[0], appDataSize) != 0) {
96         LOG_ERROR("Error: AppData  equal to origin");
97         goto error;
98     }
99 
100     r = Fapi_NvWrite(context, nvPathOrdinary, &data_src[0], NV_SIZE);
101     goto_if_error(r, "Error Fapi_NvWrite", error);
102 
103     r = Fapi_Delete(context, nvPathOrdinary);
104     goto_if_error(r, "Error Fapi_NV_Undefine", error);
105 
106     r = Fapi_Delete(context, "/");
107     goto_if_error(r, "Error Fapi_Delete", error);
108 
109 
110     SAFE_FREE(json_policy);
111     SAFE_FREE(appData);
112 
113     return EXIT_SUCCESS;
114 
115 error:
116     SAFE_FREE(json_policy);
117     SAFE_FREE(appData);
118 
119     return EXIT_FAILURE;
120 }
121 
122 int
test_invoke_fapi(FAPI_CONTEXT * context)123 test_invoke_fapi(FAPI_CONTEXT *context)
124 {
125     return test_fapi_nv_written_policy(context);
126 }
127