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File _service:obs_scm:Feature-add-tpcm-support-with-ipmi-channel.patch of Package shim
From ba0b864ac8cf562f94796da99b9c0d1f55f8ee09 Mon Sep 17 00:00:00 2001 From: jinlun <jinlun@huawei.com> Date: Mon, 5 Feb 2024 10:59:30 +0800 Subject: [PATCH] add tpcm support with ipmi channel --- Makefile | 4 +- shim.c | 13 +- tpcm.c | 428 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ tpcm.h | 202 ++++++++++++++++++++++++++ 4 files changed, 644 insertions(+), 3 deletions(-) create mode 100644 tpcm.c create mode 100644 tpcm.h diff --git a/Makefile b/Makefile index 81cefba..43213ce 100644 --- a/Makefile +++ b/Makefile @@ -41,9 +41,9 @@ endif ifneq ($(origin ENABLE_SHIM_SM),undefined) CFLAGS += -DENABLE_SHIM_SM endif -OBJS = shim.o globals.o mok.o netboot.o cert.o replacements.o tpm.o version.o errlog.o sbat.o sbat_data.o sbat_var.o pe.o httpboot.o csv.o load-options.o +OBJS = shim.o globals.o mok.o netboot.o cert.o replacements.o tpm.o version.o errlog.o sbat.o sbat_data.o sbat_var.o pe.o httpboot.o csv.o load-options.o tpcm.o KEYS = shim_cert.h ocsp.* ca.* shim.crt shim.csr shim.p12 shim.pem shim.key shim.cer -ORIG_SOURCES = shim.c globals.c mok.c netboot.c replacements.c tpm.c errlog.c sbat.c pe.c httpboot.c shim.h version.h $(wildcard include/*.h) cert.S sbat_var.S +ORIG_SOURCES = shim.c globals.c mok.c netboot.c replacements.c tpm.c errlog.c sbat.c pe.c httpboot.c shim.h version.h $(wildcard include/*.h) cert.S sbat_var.S tpcm.c MOK_OBJS = MokManager.o PasswordCrypt.o crypt_blowfish.o errlog.o sbat_data.o globals.o ORIG_MOK_SOURCES = MokManager.c PasswordCrypt.c crypt_blowfish.c shim.h $(wildcard include/*.h) FALLBACK_OBJS = fallback.o tpm.o errlog.o sbat_data.o globals.o diff --git a/shim.c b/shim.c index b60cf15..547b052 100644 --- a/shim.c +++ b/shim.c @@ -32,7 +32,7 @@ #include <Library/BaseCryptLib.h> #include <stdint.h> - +#include "tpcm.h" #define OID_EKU_MODSIGN "1.3.6.1.4.1.2312.16.1.2" static EFI_SYSTEM_TABLE *systab; @@ -1245,6 +1245,17 @@ EFI_STATUS start_image(EFI_HANDLE image_handle, CHAR16 *ImagePath) goto restore; } + /* + * measure the grub binary by the tpcm + */ + efi_status = tpcm_measure_grub(ImagePath, data, datasize, image_handle); + if (EFI_ERROR(efi_status)) { + perror(L"Failed to measure the grub by tpcm: %r\n", efi_status); + PrintErrors(); + ClearErrors(); + goto restore; + } + /* * Verify and, if appropriate, relocate and execute the executable */ diff --git a/tpcm.c b/tpcm.c new file mode 100644 index 0000000..a086620 --- /dev/null +++ b/tpcm.c @@ -0,0 +1,428 @@ +/* + tpcm -- The main function file that implements the tpcm measurement. +*/ + +#include "tpcm.h" +#include "shim.h" + +#define TRANS(value) \ + ((((UINT32)(value) << 24) & 0xFF000000) | (((UINT32)(value) << 8) & 0x00FF0000) | \ + (((UINT32)(value) >> 8) & 0x0000FF00) | (((UINT32)(value) >> 24) & 0x000000FF)) + +#define WAIT_TIME_UNIT 200 + +static EFI_GUID hash2_service_binding_guid = SHIM_EFI_HASH2_SERVICE_BINDING_PROTOCOL_GUID; +static EFI_GUID hash2_guid = SHIM_EFI_HASH2_PROTOCOL_GUID; +static EFI_GUID sm3_guid = SHIM_HASH_ALGORITHM_SM3_GUID; +static EFI_GUID gIpmiInterfaceProtocolGuid = EFI_TPCM_GUID; + +static UINT8 oemSignature[OEM_SIG_SIZE] = {0xDB, 0x07, 0x00}; + +static shim_efi_ipmi_interface_protocol_t *tpcm_ipmi; +static UINT32 bm_stage_base = 1500; + +static void tpcm_dump_hex(const CHAR16 *name, void *p, int bytes) +{ + int i = 0; + unsigned char *data = p; + int add_newline = 1; + + console_print(L"%s length=%d:\n", name, bytes); + while (i < bytes) { + console_print(L"%02x ", (unsigned char)data[i]); + i++; + if (i % 16 == 0) { + console_print(L"\n"); + add_newline = 0; + } else { + add_newline = 1; + } + } + if (add_newline) { + console_print(L"\n"); + } +} + +static EFI_STATUS tpcm_get_response_blocked(void) +{ + shim_ipmi_cmd_header request = {IPMI_BMC_LUN, IPMI_NETFN_OEM, IPMI_CMD_GET_MEASURE_PARM}; + OEM_BMC_GET_RESULT_REQUSET get_result_request_data; + OEM_BMC_GET_RESULT_RESPONSE get_result_response_data; + UINT16 timeout_ms = SHIM_IPMI_TIMEOUT_MS; + UINT8 response_length; + EFI_STATUS efi_status; + + memset(&get_result_request_data, 0, sizeof(get_result_request_data)); + memset(&get_result_response_data, 0, sizeof(get_result_response_data)); + + get_result_request_data.OemSignature[0] = oemSignature[0]; + get_result_request_data.OemSignature[1] = oemSignature[1]; + get_result_request_data.OemSignature[OEM_SIG_SIZE - 1] = oemSignature[OEM_SIG_SIZE - 1]; + get_result_request_data.SubCmd = IPMI_SUB_CMD_CONTROL_REQ; + get_result_request_data.FirmwareType = IPMI_FW_SHIM_GRUB; + get_result_request_data.FirmwareDetailType = IPMI_FW_DETAIL_GRUB; + + // Polling for 7 seconds + while (timeout_ms > 0) { + response_length = sizeof(OEM_BMC_GET_RESULT_RESPONSE); + msleep(WAIT_TIME_UNIT); + timeout_ms -= WAIT_TIME_UNIT; + + console_print(L"get result request: request_size[%d], response_length[%d]\n", + sizeof(get_result_request_data), response_length); + efi_status = tpcm_ipmi->excute_ipmi_cmd(tpcm_ipmi, request, &get_result_request_data, + sizeof(get_result_request_data), &get_result_response_data, &response_length, NULL); + console_print(L"OemSignature iana = [ 0x%X %X %X ], ControlResult = %d\n", + get_result_response_data.OemSignature[0], + get_result_response_data.OemSignature[1], + get_result_response_data.OemSignature[OEM_SIG_SIZE - 1], + get_result_response_data.ControlResult); + if (efi_status != EFI_SUCCESS) { + console_print(L"EFI : attempt to get measurement result failed, ret=%d\n", efi_status); + continue; + } + if (response_length == sizeof(OEM_BMC_GET_RESULT_RESPONSE) && + get_result_response_data.ControlResult != IPMI_MEASURE_UNKNOW) { + console_print(L"ipmi protocol: get tpcm measurement result success\n"); + break; + } + } + + if (get_result_response_data.ControlResult == IPMI_MEASURE_SUCCESS) { + efi_status = EFI_SUCCESS; + } else { + efi_status = EFI_INVALID_PARAMETER; + console_print(L"Error: the tpcm measurement result does not pass, and the startup is rejected"); + } + + return efi_status; +} + +static void wide_char_to_multi_byte(CHAR16 *description, UINT8 *filename, UINT32 *filename_len) +{ + UINT8 *str = (UINT8 *)description; + UINT32 len = *filename_len; + UINT32 i; + *filename_len = 0; + for (i = 0; i < len; i++) { + if (str[i] == 0 || str[i] == '\\') { + continue; + } + filename[*filename_len] = str[i]; + (*filename_len)++; + } + filename[*filename_len] = '\0'; +} + +static EFI_STATUS tpcm_fillup_hash_content(OEM_BMC_MEASURE_REQUSET *request_data, unsigned char *content, + CHAR16 *description) +{ + UINT32 filename_len = StrLen(description) * 2 + 1; + UINT32 stage_base = bm_stage_base; + UINT8 filename[FIRMWARE_NAME_SIZE] = {0}; + + if (filename_len > FIRMWARE_NAME_SIZE) { + console_print(L"the path strings is pass the size of FirmwareHashContent.uaObj!\n"); + return EFI_INVALID_PARAMETER; + } + + wide_char_to_multi_byte(description, filename, &filename_len); + console_print(L"start filling the hash content.\n"); + request_data->FirmwareHashContent.uiCmdTag = TRANS(TPCM_TAG_REQ_COMMAND); + request_data->FirmwareHashContent.uiCmdLength = TRANS(sizeof(extern_simple_bmeasure_req_st)); + request_data->FirmwareHashContent.uiCmdCode = TRANS(TPCM_ORD_ExternSimpleBootMeasure); + request_data->FirmwareHashContent.uiPcr = TRANS(0); + + request_data->FirmwareHashContent.uiStage = TRANS(stage_base); + + memcpy((UINT8 *)(request_data->FirmwareHashContent.uaDigest), content, DEFAULT_HASH_SIZE); + request_data->FirmwareHashContent.uiObjLen = TRANS(filename_len); + + memcpy((UINT8 *)(request_data->FirmwareHashContent.uaObj), filename, filename_len); + + return EFI_SUCCESS; +} + +static EFI_STATUS tpcm_send_request(unsigned char *content, CHAR16 *description) +{ + EFI_STATUS efi_status = EFI_SUCCESS; + shim_ipmi_cmd_header request = {IPMI_BMC_LUN, IPMI_NETFN_OEM, IPMI_CMD_GET_MEASURE_PARM}; + OEM_BMC_MEASURE_REQUSET request_data; + OEM_BMC_MEASURE_RESPONSE response_data; + UINT8 response_length = sizeof(OEM_BMC_MEASURE_RESPONSE); + UINT8 cmd_len = sizeof(extern_simple_bmeasure_req_st); + + memset(&request_data, 0, sizeof(request_data)); + memset(&response_data, 0, sizeof(response_data)); + + request_data.OemSignature[0] = oemSignature[0]; + request_data.OemSignature[1] = oemSignature[1]; + request_data.OemSignature[OEM_SIG_SIZE - 1] = oemSignature[OEM_SIG_SIZE - 1]; + request_data.SubCmd = IPMI_SUB_CMD_MEASURE_REQ; + request_data.FirmwareType = IPMI_FW_SHIM_GRUB; + request_data.FirmwareDetailType = IPMI_FW_DETAIL_GRUB; + request_data.FirmwareHashAlgorithmType = SM3_HASH; + request_data.FirmwareHashLen = cmd_len; + + /* filling the hash content of request data */ + efi_status = tpcm_fillup_hash_content(&request_data, content, description); + if (efi_status != EFI_SUCCESS) { + goto out; + } + console_print(L"sizeof(request_data)=%d\n", sizeof(request_data)); + + /* send the hash request to tpcm chips by ipmi */ + efi_status = tpcm_ipmi->excute_ipmi_cmd(tpcm_ipmi, request, &request_data, (UINT8)sizeof(OEM_BMC_MEASURE_REQUSET), + &response_data, &response_length, NULL); + if (efi_status != EFI_SUCCESS) { + console_print(L"ipmi protocol: excute_ipmi_cmd send request failed.\n"); + goto out; + } + console_print(L"ipmi protocol: send tpcm measure request success\n"); + +out: + return efi_status; +} + +static EFI_HANDLE tpcm_efi_service_binding(EFI_GUID *service_binding_guid) +{ + EFI_STATUS efi_status; + EFI_SERVICE_BINDING *service = NULL; + EFI_HANDLE child_dev = NULL; + + efi_status = LibLocateProtocol(service_binding_guid, (VOID **)&service); + if (EFI_ERROR(efi_status)) { + console_print(L"LibLocateProtocol failed\n"); + return NULL; + } + if (!service) { + console_print(L"couldn't open efi service binding protocol\n"); + return NULL; + } + efi_status = service->CreateChild(service, &child_dev); + if (EFI_ERROR(efi_status)) { + console_print(L"Failed to create child device of http service %x\n", efi_status); + return NULL; + } + + return child_dev; +} + +static EFI_STATUS tpcm_efi_hash2(shim_efi_hash2_protocol_t *hash2, unsigned char *buf, size_t size, + unsigned char *output) +{ + EFI_STATUS efi_status; + + if (!hash2->hash_init || !hash2->hash_update || !hash2->hash_final) { + efi_status = EFI_INVALID_PARAMETER; + console_print(L"the functions of hash2 has NULL!\n"); + goto out; + } + efi_status = hash2->hash_init(hash2, &sm3_guid); + if (efi_status != EFI_SUCCESS) { + console_print(L"hash_init failed.\n"); + goto out; + } + efi_status = hash2->hash_update(hash2, buf, size); + if (efi_status != EFI_SUCCESS) { + console_print(L"hash_update failed.\n"); + goto out; + } + efi_status = hash2->hash_final(hash2, (shim_efi_hash2_output *)output); + if (efi_status != EFI_SUCCESS) { + console_print(L"hash_final failed.\n"); + goto out; + } + +out: + return efi_status; +} + +static EFI_STATUS tpcm_get_hash(unsigned char *buf, size_t size, EFI_HANDLE image_handle, unsigned char *content) +{ + EFI_STATUS efi_status = EFI_SUCCESS; + shim_efi_hash2_protocol_t *hash2 = NULL; + EFI_HANDLE hash_handle = NULL; + unsigned char output[DEFAULT_HASH_SIZE] = {0}; + + console_print(L"tpcm_get_hash start binding service.\n"); + hash_handle = tpcm_efi_service_binding(&hash2_service_binding_guid); + if (!hash_handle) { + console_print(L"hash2 service binding failed.\n"); + efi_status = EFI_INVALID_PARAMETER; + goto out; + } + console_print(L"tpcm_get_hash binding service success.\n"); + + efi_status = gBS->OpenProtocol( + hash_handle, &hash2_guid, (VOID **)&hash2, image_handle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL); + if (EFI_ERROR(efi_status)) { + console_print(L"tpcm_get_hash: gBS->OpenProtocol fail\n"); + goto out; + } + if (!hash2) { + console_print(L"hash2 protocol open failed.\n"); + efi_status = EFI_INVALID_PARAMETER; + goto out; + } + console_print(L"tpcm_get_hash get protocol success.\n"); + + efi_status = tpcm_efi_hash2(hash2, buf, size, output); + if (efi_status != EFI_SUCCESS) { + console_print(L"tpcm_efi_hash2 failed.\n"); + goto out; + } + + tpcm_dump_hex(L"tpcm BIOS hash output: ", output, DEFAULT_HASH_SIZE); + memcpy(content, output, DEFAULT_HASH_SIZE); + +out: + return efi_status; +} + +static EFI_STATUS tpcm_do_measure(unsigned char *buf, size_t size, CHAR16 *description, EFI_HANDLE image_handle) +{ + EFI_STATUS efi_status; + unsigned char content[DEFAULT_HASH_SIZE] = {0}; + + /* step1: get the hash of grub */ + efi_status = tpcm_get_hash(buf, size, image_handle, content); + if (efi_status != EFI_SUCCESS) { + console_print(L"get firmware hash content failed\n"); + goto out; + } + + /* step2: send the measure request to tpcm */ + efi_status = tpcm_send_request(content, description); + if (efi_status != EFI_SUCCESS) { + console_print(L"tpcm_send_request send request failed\n"); + goto out; + } + + /* step3: get the result of measure request */ + efi_status = tpcm_get_response_blocked(); + if (efi_status != EFI_SUCCESS) { + console_print(L"tpcm_get_response_blocked get result failed\n"); + goto out; + } + +out: + return efi_status; +} + +static void tpcm_get_switch(int *control_flag, int *measure_flag) +{ + UINT8 response_length; + EFI_STATUS efi_status = EFI_SUCCESS; + shim_ipmi_cmd_header request = {IPMI_BMC_LUN, IPMI_NETFN_OEM, IPMI_CMD_GET_MEASURE_PARM}; + OEM_BMC_GET_RESULT_REQUSET get_tpcm_request_value; + OEM_BMC_GET_RESULT_RESPONSE get_tpcm_response_value; + + memset(&get_tpcm_request_value, 0, sizeof(get_tpcm_request_value)); + memset(&get_tpcm_response_value, 0, sizeof(get_tpcm_response_value)); + + get_tpcm_request_value.OemSignature[0] = oemSignature[0]; + get_tpcm_request_value.OemSignature[1] = oemSignature[1]; + get_tpcm_request_value.OemSignature[OEM_SIG_SIZE - 1] = oemSignature[OEM_SIG_SIZE - 1]; + get_tpcm_request_value.SubCmd = IPMI_SUB_CMD_SWITCH_REQ; + get_tpcm_request_value.FirmwareType = IPMI_FW_OS; + get_tpcm_request_value.FirmwareDetailType = IPMI_FW_DETAIL_GRUB; + response_length = sizeof(OEM_BMC_GET_RESULT_RESPONSE); + + if (!tpcm_ipmi->excute_ipmi_cmd) { + console_print(L"tpcm_ipmi->excute_ipmi_cmd is NULL, some error may occur below shim!\n"); + *control_flag = 0; + *measure_flag = 0; + return; + } + efi_status = tpcm_ipmi->excute_ipmi_cmd(tpcm_ipmi, request, &get_tpcm_request_value, sizeof(get_tpcm_request_value), + &get_tpcm_response_value, &response_length, NULL); + if (efi_status != EFI_SUCCESS) { + console_print(L"ipmi get tpcm switch failed.\n"); + *control_flag = 0; + *measure_flag = 0; + return; + } + + switch (get_tpcm_response_value.ControlResult) { + case IPMI_SWITCH_MEASURE_ENABLE_CONTROL_ENABLE: + *control_flag = 1; + *measure_flag = 1; + break; + case IPMI_SWITCH_MEASURE_ENABLE_CONTROL_DISABLE: + *control_flag = 0; + *measure_flag = 1; + break; + case IPMI_SWITCH_CLOSE: + case IPMI_SWITCH_UNKNOW: + default: + console_print(L"tpcm switch close, skip measure.\n"); + *control_flag = 0; + *measure_flag = 0; + break; + } + + return; +} + +static EFI_STATUS tpcm_check_ipmi(void) +{ + EFI_STATUS efi_status; + + efi_status = LibLocateProtocol(&gIpmiInterfaceProtocolGuid, (VOID **)&tpcm_ipmi); + if (EFI_ERROR(efi_status)) { + console_print(L"tpcm is not support."); + return EFI_INVALID_PARAMETER; + } + if (!tpcm_ipmi) { + console_print(L"Error: tpcm_ipmi is NULL"); + return EFI_INVALID_PARAMETER; + } + + return EFI_SUCCESS; +} + +static EFI_STATUS tpcm_ipmi_measure(unsigned char *buf, size_t size, void *description, EFI_HANDLE image_handle) +{ + EFI_STATUS efi_status; + int control_flag, measure_flag; + + /* step1: check if the tpcm chips is existed. */ + efi_status = tpcm_check_ipmi(); + if (EFI_ERROR(efi_status)) { + return EFI_SUCCESS; + } + + /* step2: check if the tpcm switch is on. */ + efi_status = EFI_SUCCESS; + tpcm_get_switch(&control_flag, &measure_flag); + + /* step3: do measure if the tpcm switch is on. */ + if (measure_flag) { + efi_status = tpcm_do_measure(buf, size, description, image_handle); + } + // If the control switch is not turned on, the communication failure does not affect the startup. + if (!control_flag && EFI_ERROR(efi_status)) { + console_print(L"WORNING: control switch disable, The tpcm_do_measure() fail doesn't affect the startup.\n"); + efi_status = EFI_SUCCESS; + } + + return efi_status; +} + +EFI_STATUS +tpcm_measure_grub(void *context, unsigned char *buf, size_t size, EFI_HANDLE image_handle) +{ + if (context == NULL || buf == NULL || size == 0) { + perror(L"the parameter passed to tpcm_measure_grub is error!\n"); + return EFI_INVALID_PARAMETER; + } + + if (StrCmp((CHAR16 *)context, DEFAULT_LOADER)) { + console_print(L"only grub is measured by tpcm, not for FALLBACK and MOK_MANAGER.\n"); + return EFI_SUCCESS; + } + + return tpcm_ipmi_measure(buf, size, context, image_handle); +} + diff --git a/tpcm.h b/tpcm.h new file mode 100644 index 0000000..606c824 --- /dev/null +++ b/tpcm.h @@ -0,0 +1,202 @@ +#ifndef SHIM_EFI_TPCM_HEADER +#define SHIM_EFI_TPCM_HEADER 1 + +#include <openssl/err.h> +#include <openssl/bn.h> +#include <openssl/dh.h> +#include <openssl/ocsp.h> +#include <openssl/pkcs12.h> +#include <openssl/rand.h> +#include <openssl/crypto.h> +#include <openssl/ssl.h> +#include <openssl/x509.h> +#include <openssl/x509v3.h> +#include <openssl/rsa.h> +#include <openssl/dso.h> + +#include <Library/BaseCryptLib.h> + +#define EFI_TPCM_GUID \ + { \ + 0xa37e200e, 0xda90, 0x473b, \ + { \ + 0x8b, 0xb5, 0x1d, 0x7b, 0x11, 0xba, 0x32, 0x33 \ + } \ + } +#define SHIM_EFI_HASH2_SERVICE_BINDING_PROTOCOL_GUID \ + { \ + 0xda836f8d, 0x217f, 0x4ca0, \ + { \ + 0x99, 0xc2, 0x1c, 0xa4, 0xe1, 0x60, 0x77, 0xea \ + } \ + } +#define SHIM_EFI_HASH2_PROTOCOL_GUID \ + { \ + 0x55b1d734, 0xc5e1, 0x49db, \ + { \ + 0x96, 0x47, 0xb1, 0x6a, 0xfb, 0xe, 0x30, 0x5b \ + } \ + } +#define SHIM_HASH_ALGORITHM_SM3_GUID \ + { \ + 0x9DCD754B, 0x3479, 0x27AD, \ + { \ + 0x56, 0x4C, 0x68, 0x7C, 0x68, 0xEC, 0xF9, 0xB9 \ + } \ + } + +#define OEM_SIG_SIZE 3 +#define FIRMWARE_VERSION_SIZE 32 +#define FIRMWARE_HASH_CONYENT_SIZE 32 +#define FIRMWARE_NAME_SIZE 32 +#define SHIM_IPMI_TIMEOUT_MS 2000 + +#define IPMI_BMC_LUN 0x00 +/* Net Function Definition */ +#define IPMI_NETFN_OEM 0x30 + +#define IPMI_CMD_GET_MEASURE_PARM 0x92 // change a name + +#define IPMI_SUB_CMD_MEASURE_REQ 0x57 // change a name +#define IPMI_SUB_CMD_CONTROL_REQ 0x58 +#define IPMI_SUB_CMD_SWITCH_REQ 0x59 + +#define DEFAULT_HASH_SIZE 32 +#define MEASURE_DATA_MEM_SIZE 0x100000 + +#define TPCM_TAG_REQ_COMMAND 0x000000C1 +#define TPCM_ORD_ExternSimpleBootMeasure 0x00001053 + +typedef struct { + UINT32 uiCmdTag; + UINT32 uiCmdLength; + UINT32 uiCmdCode; + UINT32 uiPcr; + UINT32 uiStage; + UINT8 uaDigest[DEFAULT_HASH_SIZE]; + UINT32 uiObjLen; + UINT8 uaObj[FIRMWARE_NAME_SIZE]; +} extern_simple_bmeasure_req_st; + +typedef struct { + UINT8 OemSignature[OEM_SIG_SIZE]; + UINT8 SubCmd; + UINT8 FirmwareType; + UINT8 FirmwareDetailType; + UINT8 FirmwareHashAlgorithmType; + UINT8 FirmwareHashLen; + extern_simple_bmeasure_req_st FirmwareHashContent; + UINT8 FirmwareVerionLen; + UINT8 FirmwareVerion[FIRMWARE_VERSION_SIZE]; +} OEM_BMC_MEASURE_REQUSET; + +typedef struct { + UINT8 CompletionCode; + UINT8 OemSignature[OEM_SIG_SIZE]; +} OEM_BMC_MEASURE_RESPONSE; + +typedef struct { + UINT8 OemSignature[OEM_SIG_SIZE]; + UINT8 SubCmd; + UINT8 FirmwareType; + UINT8 FirmwareDetailType; +} OEM_BMC_GET_RESULT_REQUSET; + +typedef struct { + UINT8 OemSignature[OEM_SIG_SIZE]; + UINT8 ControlResult; +} OEM_BMC_GET_RESULT_RESPONSE; + +typedef enum { + IPMI_SYSTEM_INTERFACE_UNKNOWN, // IPMI_SYSTEM_INTERFACE_TYPE->UNKNOWN + IPMI_SYSTEM_INTERFACE_KCS, + IPMI_SYSTEM_INTERFACE_SMIC, + IPMI_SYSTEM_INTERFACE_BT, // IPMI_SYSTEM_INTERFACE_TYPE->BT + IPMI_SYSTEM_INTERFACE_SSIF, + IPMI_SYSTEM_INTERFACE_MAX_TYPE // IPMI_SYSTEM_INTERFACE_TYPE->MAX_TYPE +} shim_ipmi_system_interface_type; + +typedef struct { + UINT8 lun : 2; + UINT8 net_fn : 6; + UINT8 cmd; +} shim_ipmi_cmd_header; + +typedef enum { + IPMI_MEMORY, + IPMI_IO, + IPMI_MAX_INTERFACE_ADDRESS_TYPE +} shim_ipmi_interface_address_type; + +typedef enum { + IPMI_FW_SHIM, + IPMI_FW_SHIM_GRUB, + IPMI_FW_OS +} shim_ipmi_firmware_type; + +typedef enum { + IPMI_FW_DETAIL_GRUB, + RESERVED1, + RESERVED2 +} shim_ipmi_firmware_detail_type; + +typedef enum { + SM3_HASH, + HASH_RESERVED1, + HASH_RESERVED2 +} shim_ipmi_firmware_hash_type; + +typedef enum { + IPMI_MEASURE_UNKNOW, + IPMI_MEASURE_SUCCESS, + IPMI_MEASURE_FAIL +} shim_ipmi_measure_result_type; + +typedef enum { + IPMI_SWITCH_UNKNOW, + IPMI_SWITCH_MEASURE_ENABLE_CONTROL_ENABLE, + IPMI_SWITCH_CLOSE, + IPMI_SWITCH_MEASURE_ENABLE_CONTROL_DISABLE +} shim_ipmi_get_switch_result_type; + +typedef union { + UINT8 Md5Hash[16]; + UINT8 Sha1Hash[20]; + UINT8 Sha224Hash[28]; + UINT8 Sha256Hash[32]; + UINT8 Sha384Hash[48]; + UINT8 Sha512Hash[64]; + UINT8 Sm3Hash[32]; +} shim_efi_hash2_output; + +struct shim_efi_hash2_protocol { + EFI_STATUS (*get_hash_size)(struct shim_efi_hash2_protocol *this, EFI_GUID *hash_algorithm, UINT64 hash_size); + + EFI_STATUS (*hash) + (struct shim_efi_hash2_protocol *this, EFI_GUID *hash_algorithm, UINT8 *message, UINT64 message_size, + shim_efi_hash2_output *hash); + + EFI_STATUS (*hash_init)(struct shim_efi_hash2_protocol *this, EFI_GUID *hash_algorithm); + + EFI_STATUS (*hash_update)(struct shim_efi_hash2_protocol *this, UINT8 *message, UINT64 message_size); + + EFI_STATUS (*hash_final)(struct shim_efi_hash2_protocol *this, shim_efi_hash2_output *hash); +}; + +typedef struct shim_efi_hash2_protocol shim_efi_hash2_protocol_t; + +struct shim_efi_ipmi_interface_protocol { + EFI_STATUS (*excute_ipmi_cmd) + (struct shim_efi_ipmi_interface_protocol *this, shim_ipmi_cmd_header request, void *send_data, UINT8 send_length, + void *recv_data, UINT8 *recv_length, UINT16 *status_codes); + shim_ipmi_system_interface_type (*get_ipmi_interface_type)(struct shim_efi_ipmi_interface_protocol *this); + UINT16 (*get_ipmi_base_address)(struct shim_efi_ipmi_interface_protocol *this); + shim_ipmi_interface_address_type (*get_ipmi_base_address_type)(struct shim_efi_ipmi_interface_protocol *this); + UINT8 (*get_ipmi_version)(struct shim_efi_ipmi_interface_protocol *this); +}; + +typedef struct shim_efi_ipmi_interface_protocol shim_efi_ipmi_interface_protocol_t; + +EFI_STATUS tpcm_measure_grub(void *context, unsigned char *buf, size_t size, EFI_HANDLE image_handle); + +#endif -- 2.33.0
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