Coverage Report

Created: 2025-12-14 06:12

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/tpm2/Marshal_Quote.c
Line
Count
Source
1
// Copyright 2015 The Chromium OS Authors. All rights reserved.
2
// Use of this source code is governed by a BSD-style license that can be
3
// found in the LICENSE file.
4
5
// THIS CODE IS GENERATED - DO NOT MODIFY!
6
7
#include "MemoryLib_fp.h"
8
#include "Quote_fp.h"
9
10
#if IS_CC_ENABLED(Quote)
11
static UINT16 Quote_Out_Marshal(Quote_Out* source,
12
                                TPMI_ST_COMMAND_TAG tag,
13
                                BYTE** buffer,
14
0
                                INT32* size) {
15
0
  UINT16 total_size = 0;
16
0
  UINT32 parameter_size = 0;
17
0
  BYTE* parameter_size_location;
18
0
  INT32 parameter_size_size = sizeof(UINT32);
19
0
  UINT32 num_response_handles = 0;
20
  // Add parameter_size=0 to indicate size of the parameter area. Will be
21
  // replaced later by computed parameter_size.
22
0
  if (tag == TPM_ST_SESSIONS) {
23
0
    parameter_size_location = *buffer;
24
    // Don't add to total_size, but increment *buffer and decrement *size.
25
0
    UINT32_Marshal(&parameter_size, buffer, size);
26
0
  }
27
  // Marshal response parameters.
28
0
  total_size += TPM2B_ATTEST_Marshal(&source->quoted, buffer, size);
29
0
  total_size += TPMT_SIGNATURE_Marshal(&source->signature, buffer, size);
30
  // Compute actual parameter_size. Don't add result to total_size.
31
0
  if (tag == TPM_ST_SESSIONS) {
32
0
    parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
33
0
    UINT32_Marshal(&parameter_size, &parameter_size_location,
34
0
                   &parameter_size_size);
35
0
  }
36
0
  return total_size;
37
0
}
38
#endif
39
40
static TPM_RC Quote_In_Unmarshal(Quote_In* target,
41
                                 TPM_HANDLE request_handles[],
42
                                 BYTE** buffer,
43
0
                                 INT32* size) {
44
0
  TPM_RC result = TPM_RC_SUCCESS;
45
  // Get request handles from request_handles array.
46
0
  target->signHandle = request_handles[0];
47
  // Unmarshal request parameters.
48
0
  result = TPM2B_DATA_Unmarshal(&target->qualifyingData, buffer, size);
49
0
  if (result != TPM_RC_SUCCESS) {
50
0
    return result;
51
0
  }
52
0
  result = TPMT_SIG_SCHEME_Unmarshal(&target->inScheme, buffer, size);
53
0
  if (result != TPM_RC_SUCCESS) {
54
0
    return result;
55
0
  }
56
0
  result = TPML_PCR_SELECTION_Unmarshal(&target->PCRselect, buffer, size);
57
0
  if (result != TPM_RC_SUCCESS) {
58
0
    return result;
59
0
  }
60
0
  if ((result == TPM_RC_SUCCESS) && *size) {
61
0
    result = TPM_RC_SIZE;
62
0
  }
63
0
  return result;
64
0
}
65
66
TPM_RC Exec_Quote(TPMI_ST_COMMAND_TAG tag,
67
                  BYTE** request_parameter_buffer,
68
                  INT32* request_parameter_buffer_size,
69
                  TPM_HANDLE request_handles[],
70
                  UINT32* response_handle_buffer_size,
71
0
                  UINT32* response_parameter_buffer_size) {
72
0
  TPM_RC result = TPM_RC_SUCCESS;
73
0
  Quote_In in;
74
0
  Quote_Out out;
75
0
#if IS_CC_ENABLED(Quote)
76
0
  BYTE* response_buffer;
77
0
  INT32 response_buffer_size;
78
0
  UINT16 bytes_marshalled;
79
0
  UINT16 num_response_handles = 0;
80
0
#endif
81
0
  *response_handle_buffer_size = 0;
82
0
  *response_parameter_buffer_size = 0;
83
  // Unmarshal request parameters to input structure.
84
0
  result = Quote_In_Unmarshal(&in, request_handles, request_parameter_buffer,
85
0
                              request_parameter_buffer_size);
86
0
  if (result != TPM_RC_SUCCESS) {
87
0
    return result;
88
0
  }
89
  // Execute command.
90
0
  result = TPM2_Quote(&in, &out);
91
0
  if (result != TPM_RC_SUCCESS) {
92
0
    return result;
93
0
  }
94
// Marshal output structure to global response buffer.
95
0
#if IS_CC_ENABLED(Quote)
96
0
  response_buffer = MemoryGetResponseBuffer(TPM_CC_Quote) + 10;
97
0
  response_buffer_size = MAX_RESPONSE_SIZE - 10;
98
0
  bytes_marshalled =
99
0
      Quote_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size);
100
0
  *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
101
0
  *response_parameter_buffer_size =
102
0
      bytes_marshalled - *response_handle_buffer_size;
103
0
  return TPM_RC_SUCCESS;
104
0
#endif
105
0
  return TPM_RC_COMMAND_CODE;
106
0
}