| 1 | /* $Id: VBoxTraceLogDecoders.cpp 104918 2024-06-14 09:01:03Z vboxsync $ */
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| 2 | /** @file
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| 3 | * RTTraceLogDecoders - Implement decoders for the tracing driver.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2024 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 |
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| 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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| 32 | #define LOG_GROUP RTLOGGROUP_DEFAULT
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| 33 | #include <iprt/assert.h>
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| 34 | #include <iprt/errcore.h>
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| 35 | #include <iprt/log.h>
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| 36 | #include <iprt/message.h>
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| 37 | #include <iprt/tracelog-decoder-plugin.h>
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| 38 |
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| 39 | #include <iprt/formats/tpm.h>
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| 40 |
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| 41 |
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| 42 | /*********************************************************************************************************************************
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| 43 | * Structures and Typedefs *
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| 44 | *********************************************************************************************************************************/
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| 45 |
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| 46 | /**
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| 47 | */
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| 48 | typedef DECLCALLBACKTYPE(void, FNDECODETPM2CC, (PCTPMREQHDR pHdr, size_t cb));
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| 49 | /** Pointer to an event decode callback. */
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| 50 | typedef FNDECODETPM2CC *PFNFNDECODETPM2CC;
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| 51 |
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| 52 |
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| 53 | /*********************************************************************************************************************************
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| 54 | * Static Variables *
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| 55 | *********************************************************************************************************************************/
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| 56 |
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| 57 |
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| 58 | /*********************************************************************************************************************************
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| 59 | * Internal Functions *
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| 60 | *********************************************************************************************************************************/
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| 61 |
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| 62 | static DECLCALLBACK(void) vboxTraceLogDecodeEvtTpmDecodeStartupShutdown(PCTPMREQHDR pHdr, size_t cb)
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| 63 | {
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| 64 | if (cb >= sizeof(uint16_t))
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| 65 | {
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| 66 | uint16_t u16TpmSu = RT_BE2H_U16(*(const uint16_t *)(pHdr + 1));
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| 67 | if (u16TpmSu == TPM2_SU_CLEAR)
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| 68 | RTMsgInfo(" TPM2_SU_CLEAR\n");
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| 69 | else if (u16TpmSu == TPM2_SU_STATE)
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| 70 | RTMsgInfo(" TPM2_SU_STATE\n");
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| 71 | else
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| 72 | RTMsgInfo(" Unknown: %#x\n", u16TpmSu);
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| 73 | return;
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| 74 | }
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| 75 |
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| 76 | RTMsgError("Malformed TPM2_CC_STARTUP/TPM2_CC_SHUTDOWN command, not enough room for TPM_SU constant\n");
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| 77 | }
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| 78 |
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| 79 |
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| 80 | static struct
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| 81 | {
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| 82 | const char *pszCap;
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| 83 | const uint32_t *paProperties;
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| 84 | } s_aTpm2Caps[] =
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| 85 | {
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| 86 | { RT_STR(TPM2_CAP_ALGS), NULL },
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| 87 | { RT_STR(TPM2_CAP_HANDLES), NULL },
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| 88 | { RT_STR(TPM2_CAP_COMMANDS), NULL },
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| 89 | { RT_STR(TPM2_CAP_PP_COMMANDS), NULL },
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| 90 | { RT_STR(TPM2_CAP_AUDIT_COMMANDS), NULL },
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| 91 | { RT_STR(TPM2_CAP_PCRS), NULL },
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| 92 | { RT_STR(TPM2_CAP_TPM_PROPERTIES), NULL },
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| 93 | { RT_STR(TPM2_CAP_PCR_PROPERTIES), NULL },
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| 94 | { RT_STR(TPM2_CAP_ECC_CURVES), NULL },
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| 95 | { RT_STR(TPM2_CAP_AUTH_POLICIES), NULL },
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| 96 | { RT_STR(TPM2_CAP_ACT), NULL },
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| 97 | };
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| 98 |
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| 99 | static DECLCALLBACK(void) vboxTraceLogDecodeEvtTpmDecodeGetCapability(PCTPMREQHDR pHdr, size_t cb)
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| 100 | {
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| 101 | if (cb >= sizeof(TPM2REQGETCAPABILITY))
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| 102 | {
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| 103 | PCTPM2REQGETCAPABILITY pReq = (PCTPM2REQGETCAPABILITY)pHdr;
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| 104 | uint32_t u32Cap = RT_BE2H_U32(pReq->u32Cap);
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| 105 | uint32_t u32Property = RT_BE2H_U32(pReq->u32Property);
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| 106 | uint32_t u32Count = RT_BE2H_U32(pReq->u32Count);
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| 107 | if (u32Cap < RT_ELEMENTS(s_aTpm2Caps))
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| 108 | RTMsgInfo(" u32Cap: %s\n"
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| 109 | " u32Property: %#x\n"
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| 110 | " u32Count: %#x\n",
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| 111 | s_aTpm2Caps[u32Cap], u32Property, u32Count);
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| 112 | else
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| 113 | RTMsgInfo(" u32Cap: %#x (UNKNOWN)\n"
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| 114 | " u32Property: %#x\n"
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| 115 | " u32Count: %#x\n",
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| 116 | u32Cap, u32Property, u32Count);
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| 117 | return;
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| 118 | }
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| 119 |
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| 120 | RTMsgError("Malformed TPM2_CC_GET_CAPABILITY command, not enough room for the input\n");
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| 121 | }
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| 122 |
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| 123 |
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| 124 | static DECLCALLBACK(void) vboxTraceLogDecodeEvtTpmDecodeReadPublic(PCTPMREQHDR pHdr, size_t cb)
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| 125 | {
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| 126 | if (cb >= sizeof(TPM2REQREADPUBLIC))
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| 127 | {
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| 128 | PCTPM2REQREADPUBLIC pReq = (PCTPM2REQREADPUBLIC)pHdr;
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| 129 | TPMIDHOBJECT hObj = RT_BE2H_U32(pReq->hObj);
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| 130 | RTMsgInfo(" hObj: %#x\n", hObj);
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| 131 | return;
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| 132 | }
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| 133 |
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| 134 | RTMsgError("Malformed TPM2_CC_READ_PUBLIC command, not enough room for the input\n");
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| 135 | }
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| 136 |
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| 137 |
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| 138 | static struct
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| 139 | {
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| 140 | uint32_t u32CmdCode;
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| 141 | const char *pszCmdCode;
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| 142 | PFNFNDECODETPM2CC pfnDecode;
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| 143 | } s_aTpmCmdCodes[] =
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| 144 | {
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| 145 | #define TPM_CMD_CODE_INIT(a_CmdCode, a_Desc) { a_CmdCode, #a_CmdCode, a_Desc }
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| 146 | TPM_CMD_CODE_INIT(TPM2_CC_NV_UNDEFINE_SPACE_SPECIAL, NULL),
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| 147 | TPM_CMD_CODE_INIT(TPM2_CC_EVICT_CONTROL, NULL),
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| 148 | TPM_CMD_CODE_INIT(TPM2_CC_HIERARCHY_CONTROL, NULL),
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| 149 | TPM_CMD_CODE_INIT(TPM2_CC_NV_UNDEFINE_SPACE, NULL),
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| 150 | TPM_CMD_CODE_INIT(TPM2_CC_CHANGE_EPS, NULL),
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| 151 | TPM_CMD_CODE_INIT(TPM2_CC_CHANGE_PPS, NULL),
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| 152 | TPM_CMD_CODE_INIT(TPM2_CC_CLEAR, NULL),
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| 153 | TPM_CMD_CODE_INIT(TPM2_CC_CLEAR_CONTROL, NULL),
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| 154 | TPM_CMD_CODE_INIT(TPM2_CC_CLOCK_SET, NULL),
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| 155 | TPM_CMD_CODE_INIT(TPM2_CC_HIERARCHY_CHANGE_AUTH, NULL),
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| 156 | TPM_CMD_CODE_INIT(TPM2_CC_NV_DEFINE_SPACE, NULL),
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| 157 | TPM_CMD_CODE_INIT(TPM2_CC_PCR_ALLOCATE, NULL),
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| 158 | TPM_CMD_CODE_INIT(TPM2_CC_PCR_SET_AUTH_POLICY, NULL),
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| 159 | TPM_CMD_CODE_INIT(TPM2_CC_PP_COMMANDS, NULL),
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| 160 | TPM_CMD_CODE_INIT(TPM2_CC_SET_PRIMARY_POLICY, NULL),
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| 161 | TPM_CMD_CODE_INIT(TPM2_CC_FIELD_UPGRADE_START, NULL),
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| 162 | TPM_CMD_CODE_INIT(TPM2_CC_CLOCK_RATE_ADJUST, NULL),
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| 163 | TPM_CMD_CODE_INIT(TPM2_CC_CREATE_PRIMARY, NULL),
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| 164 | TPM_CMD_CODE_INIT(TPM2_CC_NV_GLOBAL_WRITE_LOCK, NULL),
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| 165 | TPM_CMD_CODE_INIT(TPM2_CC_GET_COMMAND_AUDIT_DIGEST, NULL),
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| 166 | TPM_CMD_CODE_INIT(TPM2_CC_NV_INCREMENT, NULL),
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| 167 | TPM_CMD_CODE_INIT(TPM2_CC_NV_SET_BITS, NULL),
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| 168 | TPM_CMD_CODE_INIT(TPM2_CC_NV_EXTEND, NULL),
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| 169 | TPM_CMD_CODE_INIT(TPM2_CC_NV_WRITE, NULL),
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| 170 | TPM_CMD_CODE_INIT(TPM2_CC_NV_WRITE_LOCK, NULL),
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| 171 | TPM_CMD_CODE_INIT(TPM2_CC_DICTIONARY_ATTACK_LOCK_RESET, NULL),
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| 172 | TPM_CMD_CODE_INIT(TPM2_CC_DICTIONARY_ATTACK_PARAMETERS, NULL),
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| 173 | TPM_CMD_CODE_INIT(TPM2_CC_NV_CHANGE_AUTH, NULL),
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| 174 | TPM_CMD_CODE_INIT(TPM2_CC_PCR_EVENT, NULL),
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| 175 | TPM_CMD_CODE_INIT(TPM2_CC_PCR_RESET, NULL),
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| 176 | TPM_CMD_CODE_INIT(TPM2_CC_SEQUENCE_COMPLETE, NULL),
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| 177 | TPM_CMD_CODE_INIT(TPM2_CC_SET_ALGORITHM_SET, NULL),
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| 178 | TPM_CMD_CODE_INIT(TPM2_CC_SET_COMMAND_CODE_AUDIT_STATUS, NULL),
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| 179 | TPM_CMD_CODE_INIT(TPM2_CC_FIELD_UPGRADE_DATA, NULL),
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| 180 | TPM_CMD_CODE_INIT(TPM2_CC_INCREMENTAL_SELF_TEST, NULL),
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| 181 | TPM_CMD_CODE_INIT(TPM2_CC_SELF_TEST, NULL),
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| 182 | TPM_CMD_CODE_INIT(TPM2_CC_STARTUP, vboxTraceLogDecodeEvtTpmDecodeStartupShutdown),
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| 183 | TPM_CMD_CODE_INIT(TPM2_CC_SHUTDOWN, vboxTraceLogDecodeEvtTpmDecodeStartupShutdown),
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| 184 | TPM_CMD_CODE_INIT(TPM2_CC_STIR_RANDOM, NULL),
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| 185 | TPM_CMD_CODE_INIT(TPM2_CC_ACTIVATE_CREDENTIAL, NULL),
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| 186 | TPM_CMD_CODE_INIT(TPM2_CC_CERTIFY, NULL),
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| 187 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_NV, NULL),
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| 188 | TPM_CMD_CODE_INIT(TPM2_CC_CERTIFY_CREATION, NULL),
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| 189 | TPM_CMD_CODE_INIT(TPM2_CC_DUPLICATE, NULL),
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| 190 | TPM_CMD_CODE_INIT(TPM2_CC_GET_TIME, NULL),
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| 191 | TPM_CMD_CODE_INIT(TPM2_CC_GET_SESSION_AUDIT_DIGEST, NULL),
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| 192 | TPM_CMD_CODE_INIT(TPM2_CC_NV_READ, NULL),
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| 193 | TPM_CMD_CODE_INIT(TPM2_CC_NV_READ_LOCK, NULL),
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| 194 | TPM_CMD_CODE_INIT(TPM2_CC_OBJECT_CHANGE_AUTH, NULL),
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| 195 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_SECRET, NULL),
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| 196 | TPM_CMD_CODE_INIT(TPM2_CC_REWRAP, NULL),
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| 197 | TPM_CMD_CODE_INIT(TPM2_CC_CREATE, NULL),
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| 198 | TPM_CMD_CODE_INIT(TPM2_CC_ECDH_ZGEN, NULL),
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| 199 | TPM_CMD_CODE_INIT(TPM2_CC_HMAC_MAC, NULL),
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| 200 | TPM_CMD_CODE_INIT(TPM2_CC_IMPORT, NULL),
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| 201 | TPM_CMD_CODE_INIT(TPM2_CC_LOAD, NULL),
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| 202 | TPM_CMD_CODE_INIT(TPM2_CC_QUOTE, NULL),
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| 203 | TPM_CMD_CODE_INIT(TPM2_CC_RSA_DECRYPT, NULL),
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| 204 | TPM_CMD_CODE_INIT(TPM2_CC_HMAC_MAC_START, NULL),
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| 205 | TPM_CMD_CODE_INIT(TPM2_CC_SEQUENCE_UPDATE, NULL),
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| 206 | TPM_CMD_CODE_INIT(TPM2_CC_SIGN, NULL),
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| 207 | TPM_CMD_CODE_INIT(TPM2_CC_UNSEAL, NULL),
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| 208 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_SIGNED, NULL),
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| 209 | TPM_CMD_CODE_INIT(TPM2_CC_CONTEXT_LOAD, NULL),
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| 210 | TPM_CMD_CODE_INIT(TPM2_CC_CONTEXT_SAVE, NULL),
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| 211 | TPM_CMD_CODE_INIT(TPM2_CC_ECDH_KEY_GEN, NULL),
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| 212 | TPM_CMD_CODE_INIT(TPM2_CC_ENCRYPT_DECRYPT, NULL),
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| 213 | TPM_CMD_CODE_INIT(TPM2_CC_FLUSH_CONTEXT, NULL),
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| 214 | TPM_CMD_CODE_INIT(TPM2_CC_LOAD_EXTERNAL, NULL),
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| 215 | TPM_CMD_CODE_INIT(TPM2_CC_MAKE_CREDENTIAL, NULL),
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| 216 | TPM_CMD_CODE_INIT(TPM2_CC_NV_READ_PUBLIC, NULL),
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| 217 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_AUTHORIZE, NULL),
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| 218 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_AUTH_VALUE, NULL),
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| 219 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_COMMAND_CODE, NULL),
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| 220 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_COUNTER_TIMER, NULL),
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| 221 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_CP_HASH, NULL),
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| 222 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_LOCALITY, NULL),
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| 223 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_NAME_HASH, NULL),
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| 224 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_OR, NULL),
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| 225 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_TICKET, NULL),
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| 226 | TPM_CMD_CODE_INIT(TPM2_CC_READ_PUBLIC, vboxTraceLogDecodeEvtTpmDecodeReadPublic),
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| 227 | TPM_CMD_CODE_INIT(TPM2_CC_RSA_ENCRYPT, NULL),
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| 228 | TPM_CMD_CODE_INIT(TPM2_CC_START_AUTH_SESSION, NULL),
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| 229 | TPM_CMD_CODE_INIT(TPM2_CC_VERIFY_SIGNATURE, NULL),
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| 230 | TPM_CMD_CODE_INIT(TPM2_CC_ECC_PARAMETERS, NULL),
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| 231 | TPM_CMD_CODE_INIT(TPM2_CC_FIRMWARE_READ, NULL),
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| 232 | TPM_CMD_CODE_INIT(TPM2_CC_GET_CAPABILITY, vboxTraceLogDecodeEvtTpmDecodeGetCapability),
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| 233 | TPM_CMD_CODE_INIT(TPM2_CC_GET_RANDOM, NULL),
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| 234 | TPM_CMD_CODE_INIT(TPM2_CC_GET_TEST_RESULT, NULL),
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| 235 | TPM_CMD_CODE_INIT(TPM2_CC_GET_HASH, NULL),
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| 236 | TPM_CMD_CODE_INIT(TPM2_CC_PCR_READ, NULL),
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| 237 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_PCR, NULL),
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| 238 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_RESTART, NULL),
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| 239 | TPM_CMD_CODE_INIT(TPM2_CC_READ_CLOCK, NULL),
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| 240 | TPM_CMD_CODE_INIT(TPM2_CC_PCR_EXTEND, NULL),
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| 241 | TPM_CMD_CODE_INIT(TPM2_CC_PCR_SET_AUTH_VALUE, NULL),
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| 242 | TPM_CMD_CODE_INIT(TPM2_CC_NV_CERTIFY, NULL),
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| 243 | TPM_CMD_CODE_INIT(TPM2_CC_EVENT_SEQUENCE_COMPLETE, NULL),
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| 244 | TPM_CMD_CODE_INIT(TPM2_CC_HASH_SEQUENCE_START, NULL),
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| 245 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_PHYSICAL_PRESENCE, NULL),
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| 246 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_DUPLICATION_SELECT, NULL),
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| 247 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_GET_DIGEST, NULL),
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| 248 | TPM_CMD_CODE_INIT(TPM2_CC_TEST_PARMS, NULL),
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| 249 | TPM_CMD_CODE_INIT(TPM2_CC_COMMIT, NULL),
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| 250 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_PASSWORD, NULL),
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| 251 | TPM_CMD_CODE_INIT(TPM2_CC_ZGEN_2PHASE, NULL),
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| 252 | TPM_CMD_CODE_INIT(TPM2_CC_EC_EPHEMERAL, NULL),
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| 253 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_NV_WRITTEN, NULL),
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| 254 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_TEMPLATE, NULL),
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| 255 | TPM_CMD_CODE_INIT(TPM2_CC_CREATE_LOADED, NULL),
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| 256 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_AUTHORIZE_NV, NULL),
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| 257 | TPM_CMD_CODE_INIT(TPM2_CC_ENCRYPT_DECRYPT_2, NULL),
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| 258 | TPM_CMD_CODE_INIT(TPM2_CC_AC_GET_CAPABILITY, NULL),
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| 259 | TPM_CMD_CODE_INIT(TPM2_CC_AC_SEND, NULL),
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| 260 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_AC_SEND_SELECT, NULL),
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| 261 | TPM_CMD_CODE_INIT(TPM2_CC_CERTIFY_X509, NULL),
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| 262 | TPM_CMD_CODE_INIT(TPM2_CC_ACT_SET_TIMEOUT, NULL),
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| 263 | TPM_CMD_CODE_INIT(TPM2_CC_ECC_ENCRYPT, NULL),
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| 264 | TPM_CMD_CODE_INIT(TPM2_CC_ECC_DECRYPT, NULL),
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| 265 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_CAPABILITY, NULL),
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| 266 | TPM_CMD_CODE_INIT(TPM2_CC_POLICY_PARAMETERS, NULL),
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| 267 | TPM_CMD_CODE_INIT(TPM2_CC_NV_DEFINE_SPACE_2, NULL),
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| 268 | TPM_CMD_CODE_INIT(TPM2_CC_NV_READ_PUBLIC_2, NULL),
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| 269 | TPM_CMD_CODE_INIT(TPM2_CC_SET_CAPABILITY, NULL)
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| 270 | #undef TPM_CMD_CODE_INIT
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| 271 | };
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| 272 |
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| 273 | static void vboxTraceLogDecodeEvtTpmDecodeCmdBuffer(const uint8_t *pbCmd, size_t cbCmd)
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| 274 | {
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| 275 | PCTPMREQHDR pHdr = (PCTPMREQHDR)pbCmd;
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| 276 | if (cbCmd >= sizeof(*pHdr))
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| 277 | {
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| 278 | uint32_t u32CmdCode = RT_BE2H_U32(pHdr->u32Ordinal);
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| 279 | for (uint32_t i = 0; i < RT_ELEMENTS(s_aTpmCmdCodes); i++)
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| 280 | {
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| 281 | if (s_aTpmCmdCodes[i].u32CmdCode == u32CmdCode)
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| 282 | {
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| 283 | RTMsgInfo(" %s:\n", s_aTpmCmdCodes[i].pszCmdCode);
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| 284 | if (s_aTpmCmdCodes[i].pfnDecode)
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| 285 | s_aTpmCmdCodes[i].pfnDecode(pHdr, RT_BE2H_U32(pHdr->cbReq));
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| 286 | return;
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| 287 | }
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| 288 | }
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| 289 | RTMsgInfo(" <Unknown command code>: %#x\n", u32CmdCode);
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| 290 | }
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| 291 | else
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| 292 | RTMsgError("Command buffer is smaller than the request header (required %u, given %zu\n", sizeof(*pHdr), cbCmd);
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| 293 | }
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| 294 |
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| 295 |
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| 296 | static void vboxTraceLogDecodeEvtTpmDecodeRespBuffer(const uint8_t *pbResp, size_t cbResp)
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| 297 | {
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| 298 | PCTPMRESPHDR pHdr = (PCTPMRESPHDR)pbResp;
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| 299 | if (cbResp >= sizeof(*pHdr))
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| 300 | {
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| 301 | RTMsgInfo(" Status code: %#x\n", RT_BE2H_U32(pHdr->u32ErrCode));
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| 302 | }
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| 303 | else
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| 304 | RTMsgError("Response buffer is smaller than the request header (required %u, given %zu\n", sizeof(*pHdr), cbResp);
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| 305 | }
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| 306 |
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| 307 |
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| 308 | static DECLCALLBACK(int) vboxTraceLogDecodeEvtTpmCmdExecReq(RTTRACELOGRDREVT hTraceLogEvt, PCRTTRACELOGEVTDESC pEvtDesc,
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| 309 | PRTTRACELOGEVTVAL paVals, uint32_t cVals)
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| 310 | {
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| 311 | RT_NOREF(hTraceLogEvt, pEvtDesc);
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| 312 | for (uint32_t i = 0; i < cVals; i++)
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| 313 | {
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| 314 | /* Look for the pvCmd item which stores the command buffer. */
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| 315 | if ( !strcmp(paVals[i].pItemDesc->pszName, "pvCmd")
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| 316 | && paVals[i].pItemDesc->enmType == RTTRACELOGTYPE_RAWDATA)
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| 317 | {
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| 318 | vboxTraceLogDecodeEvtTpmDecodeCmdBuffer(paVals[i].u.RawData.pb, paVals[i].u.RawData.cb);
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| 319 | return VINF_SUCCESS;
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| 320 | }
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| 321 | }
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| 322 | RTMsgError("Failed to find the TPM command data buffer for the given event\n");
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| 323 | return VERR_NOT_FOUND;
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| 324 | }
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| 325 |
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| 326 |
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| 327 | static DECLCALLBACK(int) vboxTraceLogDecodeEvtTpmCmdExecResp(RTTRACELOGRDREVT hTraceLogEvt, PCRTTRACELOGEVTDESC pEvtDesc,
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| 328 | PRTTRACELOGEVTVAL paVals, uint32_t cVals)
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| 329 | {
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| 330 | RT_NOREF(hTraceLogEvt, pEvtDesc);
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| 331 | for (uint32_t i = 0; i < cVals; i++)
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| 332 | {
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| 333 | /* Look for the pvCmd item which stores the response buffer. */
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| 334 | if ( !strcmp(paVals[i].pItemDesc->pszName, "pvResp")
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| 335 | && paVals[i].pItemDesc->enmType == RTTRACELOGTYPE_RAWDATA)
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| 336 | {
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| 337 | vboxTraceLogDecodeEvtTpmDecodeRespBuffer(paVals[i].u.RawData.pb, paVals[i].u.RawData.cb);
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| 338 | return VINF_SUCCESS;
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| 339 | }
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| 340 | }
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| 341 | RTMsgError("Failed to find the TPM command data buffer for the given event\n");
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| 342 | return VERR_NOT_FOUND;
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| 343 | }
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| 344 |
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| 345 |
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| 346 | /**
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| 347 | * Filter plugin interface.
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| 348 | */
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| 349 | const RTTRACELOGDECODERDECODEEVENT g_aTraceLogDecode[] =
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| 350 | {
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| 351 | { "ITpmConnector.CmdExecReq", vboxTraceLogDecodeEvtTpmCmdExecReq },
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| 352 | { "ITpmConnector.CmdExecResp", vboxTraceLogDecodeEvtTpmCmdExecResp },
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| 353 | };
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| 354 |
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| 355 |
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| 356 | /**
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| 357 | * Shared object initialization callback.
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| 358 | */
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| 359 | extern "C" DECLCALLBACK(DECLEXPORT(int)) RTTraceLogDecoderLoad(void *pvUser, PRTTRACELOGDECODERREGISTER pRegisterCallbacks)
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| 360 | {
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| 361 | AssertLogRelMsgReturn(pRegisterCallbacks->u32Version == RT_TRACELOG_DECODERREG_CB_VERSION,
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| 362 | ("pRegisterCallbacks->u32Version=%#x RT_TRACELOG_DECODERREG_CB_VERSION=%#x\n",
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| 363 | pRegisterCallbacks->u32Version, RT_TRACELOG_DECODERREG_CB_VERSION),
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| 364 | VERR_VERSION_MISMATCH);
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| 365 |
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| 366 | return pRegisterCallbacks->pfnRegisterDecoders(pvUser, &g_aTraceLogDecode[0], RT_ELEMENTS(g_aTraceLogDecode));
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| 367 | }
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| 368 |
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