1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /***********************************************************************;
3 * Copyright (c) 2017, Intel Corporation
4 * All rights reserved.
5 ***********************************************************************/
6
7 #ifdef HAVE_CONFIG_H
8 #include <config.h>
9 #endif
10
11 #include "tss2_tpm2_types.h"
12 #include "tss2_mu.h"
13 #include "sysapi_util.h"
14
Tss2_Sys_AC_Send_Prepare(TSS2_SYS_CONTEXT * sysContext,TPMI_DH_OBJECT sendObject,TPMI_RH_NV_AUTH authHandle,TPMI_RH_AC ac,TPM2B_MAX_BUFFER * acDataIn)15 TSS2_RC Tss2_Sys_AC_Send_Prepare(
16 TSS2_SYS_CONTEXT *sysContext,
17 TPMI_DH_OBJECT sendObject,
18 TPMI_RH_NV_AUTH authHandle,
19 TPMI_RH_AC ac,
20 TPM2B_MAX_BUFFER *acDataIn)
21 {
22 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
23 TSS2_RC rval;
24
25 if (!ctx)
26 return TSS2_SYS_RC_BAD_REFERENCE;
27
28 rval = CommonPreparePrologue(ctx, TPM2_CC_AC_Send);
29 if (rval)
30 return rval;
31
32 rval = Tss2_MU_TPM2_HANDLE_Marshal(sendObject, ctx->cmdBuffer,
33 ctx->maxCmdSize,
34 &ctx->nextData);
35 if (rval)
36 return rval;
37
38 rval = Tss2_MU_TPM2_HANDLE_Marshal(authHandle, ctx->cmdBuffer,
39 ctx->maxCmdSize,
40 &ctx->nextData);
41 if (rval)
42 return rval;
43
44 rval = Tss2_MU_TPM2_HANDLE_Marshal(ac, ctx->cmdBuffer,
45 ctx->maxCmdSize,
46 &ctx->nextData);
47 if (rval)
48 return rval;
49
50 if (!acDataIn) {
51 ctx->decryptNull = 1;
52
53 rval = Tss2_MU_UINT16_Marshal(0, ctx->cmdBuffer,
54 ctx->maxCmdSize,
55 &ctx->nextData);
56 } else {
57
58 rval = Tss2_MU_TPM2B_MAX_BUFFER_Marshal(acDataIn, ctx->cmdBuffer,
59 ctx->maxCmdSize,
60 &ctx->nextData);
61 }
62 if (rval)
63 return rval;
64
65 ctx->decryptAllowed = 1;
66 ctx->encryptAllowed = 0;
67 ctx->authAllowed = 1;
68
69 return CommonPrepareEpilogue(ctx);
70 }
71
Tss2_Sys_AC_Send_Complete(TSS2_SYS_CONTEXT * sysContext,TPMS_AC_OUTPUT * acDataOut)72 TSS2_RC Tss2_Sys_AC_Send_Complete(
73 TSS2_SYS_CONTEXT *sysContext,
74 TPMS_AC_OUTPUT *acDataOut)
75 {
76 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
77 TSS2_RC rval;
78
79 if (!ctx)
80 return TSS2_SYS_RC_BAD_REFERENCE;
81
82 rval = CommonComplete(ctx);
83 if (rval)
84 return rval;
85
86 return Tss2_MU_TPMS_AC_OUTPUT_Unmarshal(ctx->cmdBuffer,
87 ctx->maxCmdSize,
88 &ctx->nextData,
89 acDataOut);
90 }
91
Tss2_Sys_AC_Send(TSS2_SYS_CONTEXT * sysContext,TPMI_DH_OBJECT sendObject,TPMI_RH_NV_AUTH authHandle,TPMI_RH_AC ac,TSS2L_SYS_AUTH_COMMAND const * cmdAuthsArray,TPM2B_MAX_BUFFER * acDataIn,TPMS_AC_OUTPUT * acDataOut,TSS2L_SYS_AUTH_RESPONSE * rspAuthsArray)92 TSS2_RC Tss2_Sys_AC_Send(
93 TSS2_SYS_CONTEXT *sysContext,
94 TPMI_DH_OBJECT sendObject,
95 TPMI_RH_NV_AUTH authHandle,
96 TPMI_RH_AC ac,
97 TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
98 TPM2B_MAX_BUFFER *acDataIn,
99 TPMS_AC_OUTPUT *acDataOut,
100 TSS2L_SYS_AUTH_RESPONSE *rspAuthsArray)
101 {
102 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
103 TSS2_RC rval;
104
105 rval = Tss2_Sys_AC_Send_Prepare(sysContext, sendObject, authHandle, ac,
106 acDataIn);
107 if (rval)
108 return rval;
109
110 rval = CommonOneCall(ctx, cmdAuthsArray, rspAuthsArray);
111 if (rval)
112 return rval;
113
114 return Tss2_Sys_AC_Send_Complete(sysContext, acDataOut);
115 }
116