[J-u-boot.git] / lib / uuid.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright 2011 Calxeda, Inc.
 * Copyright 2022-2023 Arm Limited and/or its affiliates <[email protected]>
 *
 * Authors:
 *   Abdellatif El Khlifi <[email protected]>
 */

#ifndef USE_HOSTCC
#include <command.h>
#include <efi_api.h>
#include <env.h>
#include <rand.h>
#include <time.h>
#include <asm/io.h>
#include <part_efi.h>
#include <malloc.h>
#include <dm/uclass.h>
#include <rng.h>
#include <linux/ctype.h>
#include <hexdump.h>
#else
#include <stdarg.h>
#include <stdint.h>
#include <eficapsule.h>
#include <ctype.h>
#endif
#include <linux/types.h>
#include <errno.h>
#include <linux/kconfig.h>
#include <u-boot/uuid.h>
#include <u-boot/sha1.h>

#ifdef USE_HOSTCC
/* polyfill hextoul to avoid pulling in strto.c */
#define hextoul(cp, endp) strtoul(cp, endp, 16)
#define hextoull(cp, endp) strtoull(cp, endp, 16)
#endif

int uuid_str_valid(const char *uuid)
{
	int i, valid;

	if (uuid == NULL)
		return 0;

	for (i = 0, valid = 1; uuid[i] && valid; i++) {
		switch (i) {
		case 8: case 13: case 18: case 23:
			valid = (uuid[i] == '-');
			break;
		default:
			valid = isxdigit(uuid[i]);
			break;
		}
	}

	if (i != UUID_STR_LEN || !valid)
		return 0;

	return 1;
}

static const struct {
	const char *string;
	efi_guid_t guid;
} list_guid[] = {
#ifndef USE_HOSTCC
#ifdef CONFIG_PARTITION_TYPE_GUID
	{"system",	PARTITION_SYSTEM_GUID},
	{"mbr",		LEGACY_MBR_PARTITION_GUID},
	{"msft",	PARTITION_MSFT_RESERVED_GUID},
	{"data",	PARTITION_BASIC_DATA_GUID},
	{"linux",	PARTITION_LINUX_FILE_SYSTEM_DATA_GUID},
	{"raid",	PARTITION_LINUX_RAID_GUID},
	{"swap",	PARTITION_LINUX_SWAP_GUID},
	{"lvm",		PARTITION_LINUX_LVM_GUID},
	{"u-boot-env",	PARTITION_U_BOOT_ENVIRONMENT},
	{"cros-kern",	PARTITION_CROS_KERNEL},
	{"cros-root",	PARTITION_CROS_ROOT},
	{"cros-fw",	PARTITION_CROS_FIRMWARE},
	{"cros-rsrv",	PARTITION_CROS_RESERVED},
#endif
#if defined(CONFIG_CMD_EFIDEBUG) || defined(CONFIG_EFI)
	{
		"Device Path",
		EFI_DEVICE_PATH_PROTOCOL_GUID,
	},
	{
		"Device Path To Text",
		EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID,
	},
	{
		"Device Path Utilities",
		EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID,
	},
	{
		"Unicode Collation 2",
		EFI_UNICODE_COLLATION_PROTOCOL2_GUID,
	},
	{
		"Driver Binding",
		EFI_DRIVER_BINDING_PROTOCOL_GUID,
	},
	{
		"Simple Text Input",
		EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID,
	},
	{
		"Simple Text Input Ex",
		EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID,
	},
	{
		"Simple Text Output",
		EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID,
	},
	{
		"Block IO",
		EFI_BLOCK_IO_PROTOCOL_GUID,
	},
	{
		"Simple File System",
		EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID,
	},
	{
		"Loaded Image",
		EFI_LOADED_IMAGE_PROTOCOL_GUID,
	},
	{
		"Graphics Output",
		EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID,
	},
	{
		"HII String",
		EFI_HII_STRING_PROTOCOL_GUID,
	},
	{
		"HII Database",
		EFI_HII_DATABASE_PROTOCOL_GUID,
	},
	{
		"HII Config Routing",
		EFI_HII_CONFIG_ROUTING_PROTOCOL_GUID,
	},
	{
		"Load File2",
		EFI_LOAD_FILE2_PROTOCOL_GUID,
	},
	{
		"Random Number Generator",
		EFI_RNG_PROTOCOL_GUID,
	},
	{
		"Simple Network",
		EFI_SIMPLE_NETWORK_PROTOCOL_GUID,
	},
	{
		"PXE Base Code",
		EFI_PXE_BASE_CODE_PROTOCOL_GUID,
	},
	{
		"Device-Tree Fixup",
		EFI_DT_FIXUP_PROTOCOL_GUID,
	},
	{
		"TCG2",
		EFI_TCG2_PROTOCOL_GUID,
		},
	{
		"System Partition",
		PARTITION_SYSTEM_GUID
	},
	{
		"Firmware Management",
		EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GUID
	},
#if IS_ENABLED(CONFIG_EFI_HTTP_PROTOCOL)
	{
		"HTTP",
		EFI_HTTP_PROTOCOL_GUID,
	},
	{
		"HTTP Service Binding",
		EFI_HTTP_SERVICE_BINDING_PROTOCOL_GUID,
	},
	{
		"IPv4 Config2",
		EFI_IP4_CONFIG2_PROTOCOL_GUID,
	},
#endif
	/* Configuration table GUIDs */
	{
		"ACPI table",
		EFI_ACPI_TABLE_GUID,
	},
	{
		"EFI System Resource Table",
		EFI_SYSTEM_RESOURCE_TABLE_GUID,
	},
	{
		"device tree",
		EFI_FDT_GUID,
	},
	{
		"SMBIOS table",
		SMBIOS_TABLE_GUID,
	},
	{
		"SMBIOS3 table",
		SMBIOS3_TABLE_GUID,
	},
	{
		"Runtime properties",
		EFI_RT_PROPERTIES_TABLE_GUID,
	},
	{
		"TCG2 Final Events Table",
		EFI_TCG2_FINAL_EVENTS_TABLE_GUID,
	},
	{
		"EFI Conformance Profiles Table",
		EFI_CONFORMANCE_PROFILES_TABLE_GUID,
	},
#ifdef CONFIG_EFI_RISCV_BOOT_PROTOCOL
	{
		"RISC-V Boot",
		RISCV_EFI_BOOT_PROTOCOL_GUID,
	},
#endif
#endif /* CONFIG_CMD_EFIDEBUG */
#ifdef CONFIG_CMD_NVEDIT_EFI
	/* signature database */
	{
		"EFI_GLOBAL_VARIABLE_GUID",
		EFI_GLOBAL_VARIABLE_GUID,
	},
	{
		"EFI_IMAGE_SECURITY_DATABASE_GUID",
		EFI_IMAGE_SECURITY_DATABASE_GUID,
	},
	/* certificate types */
	{
		"EFI_CERT_SHA256_GUID",
		EFI_CERT_SHA256_GUID,
	},
	{
		"EFI_CERT_X509_GUID",
		EFI_CERT_X509_GUID,
	},
	{
		"EFI_CERT_TYPE_PKCS7_GUID",
		EFI_CERT_TYPE_PKCS7_GUID,
	},
#endif
#if defined(CONFIG_CMD_EFIDEBUG) || defined(CONFIG_EFI)
	{ "EFI_LZMA_COMPRESSED", EFI_LZMA_COMPRESSED },
	{ "EFI_DXE_SERVICES", EFI_DXE_SERVICES },
	{ "EFI_HOB_LIST", EFI_HOB_LIST },
	{ "EFI_MEMORY_TYPE", EFI_MEMORY_TYPE },
	{ "EFI_MEM_STATUS_CODE_REC", EFI_MEM_STATUS_CODE_REC },
	{ "EFI_GUID_EFI_ACPI1", EFI_GUID_EFI_ACPI1 },
#endif
#endif /* !USE_HOSTCC */
};

int uuid_guid_get_bin(const char *guid_str, unsigned char *guid_bin)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(list_guid); i++) {
		if (!strcmp(list_guid[i].string, guid_str)) {
			memcpy(guid_bin, &list_guid[i].guid, 16);
			return 0;
		}
	}
	return -ENODEV;
}

const char *uuid_guid_get_str(const unsigned char *guid_bin)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(list_guid); i++) {
		if (!memcmp(list_guid[i].guid.b, guid_bin, 16)) {
			return list_guid[i].string;
		}
	}
	return NULL;
}

int uuid_str_to_bin(const char *uuid_str, unsigned char *uuid_bin,
		    int str_format)
{
	uint16_t tmp16;
	uint32_t tmp32;
	uint64_t tmp64;

	if (!uuid_str_valid(uuid_str)) {
#ifdef CONFIG_PARTITION_TYPE_GUID
		if (!uuid_guid_get_bin(uuid_str, uuid_bin))
			return 0;
#endif
		return -EINVAL;
	}

	if (str_format == UUID_STR_FORMAT_STD) {
		tmp32 = cpu_to_be32(hextoul(uuid_str, NULL));
		memcpy(uuid_bin, &tmp32, 4);

		tmp16 = cpu_to_be16(hextoul(uuid_str + 9, NULL));
		memcpy(uuid_bin + 4, &tmp16, 2);

		tmp16 = cpu_to_be16(hextoul(uuid_str + 14, NULL));
		memcpy(uuid_bin + 6, &tmp16, 2);
	} else {
		tmp32 = cpu_to_le32(hextoul(uuid_str, NULL));
		memcpy(uuid_bin, &tmp32, 4);

		tmp16 = cpu_to_le16(hextoul(uuid_str + 9, NULL));
		memcpy(uuid_bin + 4, &tmp16, 2);

		tmp16 = cpu_to_le16(hextoul(uuid_str + 14, NULL));
		memcpy(uuid_bin + 6, &tmp16, 2);
	}

	tmp16 = cpu_to_be16(hextoul(uuid_str + 19, NULL));
	memcpy(uuid_bin + 8, &tmp16, 2);

	tmp64 = cpu_to_be64(hextoull(uuid_str + 24, NULL));
	memcpy(uuid_bin + 10, (char *)&tmp64 + 2, 6);

	return 0;
}

int uuid_str_to_le_bin(const char *uuid_str, unsigned char *uuid_bin)
{
	uint16_t tmp16;
	uint32_t tmp32;
	uint64_t tmp64;

	if (!uuid_str_valid(uuid_str) || !uuid_bin)
		return -EINVAL;

	tmp32 = cpu_to_le32(hextoul(uuid_str, NULL));
	memcpy(uuid_bin, &tmp32, 4);

	tmp16 = cpu_to_le16(hextoul(uuid_str + 9, NULL));
	memcpy(uuid_bin + 4, &tmp16, 2);

	tmp16 = cpu_to_le16(hextoul(uuid_str + 14, NULL));
	memcpy(uuid_bin + 6, &tmp16, 2);

	tmp16 = cpu_to_le16(hextoul(uuid_str + 19, NULL));
	memcpy(uuid_bin + 8, &tmp16, 2);

	tmp64 = cpu_to_le64(hextoull(uuid_str + 24, NULL));
	memcpy(uuid_bin + 10, &tmp64, 6);

	return 0;
}

void uuid_bin_to_str(const unsigned char *uuid_bin, char *uuid_str,
		     int str_format)
{
	const uint8_t uuid_char_order[UUID_BIN_LEN] = {0, 1, 2, 3, 4, 5, 6, 7, 8,
						  9, 10, 11, 12, 13, 14, 15};
	const uint8_t guid_char_order[UUID_BIN_LEN] = {3, 2, 1, 0, 5, 4, 7, 6, 8,
						  9, 10, 11, 12, 13, 14, 15};
	const uint8_t *char_order;
	const char *format;
	int i;

	/*
	 * UUID and GUID bin data - always in big endian:
	 * 4B-2B-2B-2B-6B
	 * be be be be be
	 */
	if (str_format & UUID_STR_FORMAT_GUID)
		char_order = guid_char_order;
	else
		char_order = uuid_char_order;
	if (str_format & UUID_STR_UPPER_CASE)
		format = "%02X";
	else
		format = "%02x";

	for (i = 0; i < 16; i++) {
		sprintf(uuid_str, format, uuid_bin[char_order[i]]);
		uuid_str += 2;
		switch (i) {
		case 3:
		case 5:
		case 7:
		case 9:
			*uuid_str++ = '-';
			break;
		}
	}
}

static void configure_uuid(struct uuid *uuid, unsigned char version)
{
	uint16_t tmp;

	/* Configure variant/version bits */
	tmp = be16_to_cpu(uuid->time_hi_and_version);
	tmp = (tmp & ~UUID_VERSION_MASK) | (version << UUID_VERSION_SHIFT);
	uuid->time_hi_and_version = cpu_to_be16(tmp);

	uuid->clock_seq_hi_and_reserved &= ~UUID_VARIANT_MASK;
	uuid->clock_seq_hi_and_reserved |= (UUID_VARIANT << UUID_VARIANT_SHIFT);
}

void gen_v5_guid(const struct uuid *namespace, struct efi_guid *guid, ...)
{
	sha1_context ctx;
	va_list args;
	const uint8_t *data;
	uint32_t *tmp32;
	uint16_t *tmp16;
	uint8_t hash[SHA1_SUM_LEN];

	sha1_starts(&ctx);
	/* Hash the namespace UUID as salt */
	sha1_update(&ctx, (unsigned char *)namespace, UUID_BIN_LEN);
	va_start(args, guid);

	while ((data = va_arg(args, const uint8_t *))) {
		unsigned int len = va_arg(args, size_t);

		sha1_update(&ctx, data, len);
	}

	va_end(args);
	sha1_finish(&ctx, hash);

	/* Truncate the hash into output UUID, it is already big endian */
	memcpy(guid, hash, sizeof(*guid));

	configure_uuid((struct uuid *)guid, 5);

	/* Make little endian */
	tmp32 = (uint32_t *)&guid->b[0];
	*tmp32 = cpu_to_le32(be32_to_cpu(*tmp32));
	tmp16 = (uint16_t *)&guid->b[4];
	*tmp16 = cpu_to_le16(be16_to_cpu(*tmp16));
	tmp16 = (uint16_t *)&guid->b[6];
	*tmp16 = cpu_to_le16(be16_to_cpu(*tmp16));
}

#ifndef USE_HOSTCC
#if defined(CONFIG_RANDOM_UUID) || defined(CONFIG_CMD_UUID)
void gen_rand_uuid(unsigned char *uuid_bin)
{
	u32 ptr[4];
	struct uuid *uuid = (struct uuid *)ptr;
	int i, ret;
	struct udevice *devp;
	u32 randv = 0;

	if (CONFIG_IS_ENABLED(DM_RNG)) {
		ret = uclass_get_device(UCLASS_RNG, 0, &devp);
		if (!ret) {
			ret = dm_rng_read(devp, &randv, sizeof(randv));
			if (ret < 0)
				randv = 0;
		}
	}
	if (randv)
		srand(randv);
	else
		srand(get_ticks() + rand());

	/* Set all fields randomly */
	for (i = 0; i < 4; i++)
		ptr[i] = rand();

	configure_uuid(uuid, UUID_VERSION);

	memcpy(uuid_bin, uuid, 16);
}

void gen_rand_uuid_str(char *uuid_str, int str_format)
{
	unsigned char uuid_bin[UUID_BIN_LEN];

	/* Generate UUID (big endian) */
	gen_rand_uuid(uuid_bin);

	/* Convert UUID bin to UUID or GUID formated STRING  */
	uuid_bin_to_str(uuid_bin, uuid_str, str_format);
}

#if !defined(CONFIG_XPL_BUILD) && defined(CONFIG_CMD_UUID)
int do_uuid(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	char uuid[UUID_STR_LEN + 1];
	int str_format;

	if (!strcmp(argv[0], "uuid"))
		str_format = UUID_STR_FORMAT_STD;
	else
		str_format = UUID_STR_FORMAT_GUID;

	if (argc > 2)
		return CMD_RET_USAGE;

	gen_rand_uuid_str(uuid, str_format);

	if (argc == 1)
		printf("%s\n", uuid);
	else
		env_set(argv[1], uuid);

	return CMD_RET_SUCCESS;
}

U_BOOT_CMD(uuid, CONFIG_SYS_MAXARGS, 1, do_uuid,
	   "UUID - generate random Universally Unique Identifier",
	   "[<varname>]\n"
	   "Argument:\n"
	   "varname: for set result in a environment variable\n"
	   "e.g. uuid uuid_env"
);

U_BOOT_CMD(guid, CONFIG_SYS_MAXARGS, 1, do_uuid,
	   "GUID - generate Globally Unique Identifier based on random UUID",
	   "[<varname>]\n"
	   "Argument:\n"
	   "varname: for set result in a environment variable\n"
	   "e.g. guid guid_env"
);
#endif /* CONFIG_CMD_UUID */
#endif /* CONFIG_RANDOM_UUID || CONFIG_CMD_UUID */
#endif /* !USE_HOSTCC */
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
e11938ea JH	2	/*
e11938ea JH	3	* Copyright 2011 Calxeda, Inc.
7048f26c AEK	4	* Copyright 2022-2023 Arm Limited and/or its affiliates <[email protected]>
	5	*
	6	* Authors:
	7	* Abdellatif El Khlifi <[email protected]>
e11938ea JH	8	*/
e11938ea JH	9
22c48a92	10	#ifndef USE_HOSTCC
09140113	11	#include <command.h>
3adae642	12	#include <efi_api.h>
9fb625ce	13	#include <env.h>
90526e9f	14	#include <rand.h>
1045315d	15	#include <time.h>
d718ded0 PM	16	#include <asm/io.h>
	17	#include <part_efi.h>
	18	#include <malloc.h>
92fdad28 MB	19	#include <dm/uclass.h>
92fdad28 MB	20	#include <rng.h>
22c48a92 CC	21	#include <linux/ctype.h>
	22	#include <hexdump.h>
	23	#else
	24	#include <stdarg.h>
	25	#include <stdint.h>
	26	#include <eficapsule.h>
	27	#include <ctype.h>
	28	#endif
	29	#include <linux/types.h>
	30	#include <errno.h>
	31	#include <linux/kconfig.h>
58d825fb	32	#include <u-boot/uuid.h>
4c5e1ff3	33	#include <u-boot/sha1.h>
e11938ea	34
22c48a92 CC	35	#ifdef USE_HOSTCC
	36	/* polyfill hextoul to avoid pulling in strto.c */
	37	#define hextoul(cp, endp) strtoul(cp, endp, 16)
e5a0cb3e	38	#define hextoull(cp, endp) strtoull(cp, endp, 16)
22c48a92 CC	39	#endif
22c48a92 CC	40
e11938ea JH	41	int uuid_str_valid(const char *uuid)
	42	{
	43	int i, valid;
	44
	45	if (uuid == NULL)
	46	return 0;
	47
	48	for (i = 0, valid = 1; uuid[i] && valid; i++) {
	49	switch (i) {
	50	case 8: case 13: case 18: case 23:
	51	valid = (uuid[i] == '-');
	52	break;
	53	default:
	54	valid = isxdigit(uuid[i]);
	55	break;
	56	}
	57	}
	58
d718ded0	59	if (i != UUID_STR_LEN \|\| !valid)
e11938ea JH	60	return 0;
	61
	62	return 1;
	63	}
	64
bcb41dca PD	65	static const struct {
	66	const char *string;
	67	efi_guid_t guid;
	68	} list_guid[] = {
22c48a92	69	#ifndef USE_HOSTCC
c1528f32	70	#ifdef CONFIG_PARTITION_TYPE_GUID
bcb41dca PD	71	{"system", PARTITION_SYSTEM_GUID},
	72	{"mbr", LEGACY_MBR_PARTITION_GUID},
	73	{"msft", PARTITION_MSFT_RESERVED_GUID},
	74	{"data", PARTITION_BASIC_DATA_GUID},
	75	{"linux", PARTITION_LINUX_FILE_SYSTEM_DATA_GUID},
	76	{"raid", PARTITION_LINUX_RAID_GUID},
	77	{"swap", PARTITION_LINUX_SWAP_GUID},
c0364ce1 RV	78	{"lvm", PARTITION_LINUX_LVM_GUID},
c0364ce1 RV	79	{"u-boot-env", PARTITION_U_BOOT_ENVIRONMENT},
966b16c5 SG	80	{"cros-kern", PARTITION_CROS_KERNEL},
	81	{"cros-root", PARTITION_CROS_ROOT},
	82	{"cros-fw", PARTITION_CROS_FIRMWARE},
	83	{"cros-rsrv", PARTITION_CROS_RESERVED},
c1528f32	84	#endif
4e5e49a3	85	#if defined(CONFIG_CMD_EFIDEBUG) \|\| defined(CONFIG_EFI)
3adae642 HS	86	{
	87	"Device Path",
	88	EFI_DEVICE_PATH_PROTOCOL_GUID,
	89	},
	90	{
	91	"Device Path To Text",
	92	EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID,
	93	},
	94	{
	95	"Device Path Utilities",
	96	EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID,
	97	},
	98	{
	99	"Unicode Collation 2",
	100	EFI_UNICODE_COLLATION_PROTOCOL2_GUID,
	101	},
	102	{
	103	"Driver Binding",
	104	EFI_DRIVER_BINDING_PROTOCOL_GUID,
	105	},
	106	{
	107	"Simple Text Input",
	108	EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID,
	109	},
	110	{
	111	"Simple Text Input Ex",
	112	EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID,
	113	},
	114	{
	115	"Simple Text Output",
	116	EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID,
	117	},
	118	{
	119	"Block IO",
	120	EFI_BLOCK_IO_PROTOCOL_GUID,
	121	},
	122	{
	123	"Simple File System",
	124	EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID,
	125	},
	126	{
	127	"Loaded Image",
	128	EFI_LOADED_IMAGE_PROTOCOL_GUID,
	129	},
	130	{
	131	"Graphics Output",
	132	EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID,
	133	},
	134	{
	135	"HII String",
	136	EFI_HII_STRING_PROTOCOL_GUID,
	137	},
	138	{
	139	"HII Database",
	140	EFI_HII_DATABASE_PROTOCOL_GUID,
	141	},
	142	{
	143	"HII Config Routing",
	144	EFI_HII_CONFIG_ROUTING_PROTOCOL_GUID,
	145	},
	146	{
	147	"Load File2",
	148	EFI_LOAD_FILE2_PROTOCOL_GUID,
	149	},
150	{
151	"Random Number Generator",
152	EFI_RNG_PROTOCOL_GUID,
153	},
154	{
155	"Simple Network",
156	EFI_SIMPLE_NETWORK_PROTOCOL_GUID,
157	},
158	{
159	"PXE Base Code",
160	EFI_PXE_BASE_CODE_PROTOCOL_GUID,
161	},
162	{
163	"Device-Tree Fixup",
164	EFI_DT_FIXUP_PROTOCOL_GUID,
165	},
38040a63 HS	166	{
	167	"TCG2",
	168	EFI_TCG2_PROTOCOL_GUID,
	169	},
3adae642 HS	170	{
	171	"System Partition",
	172	PARTITION_SYSTEM_GUID
	173	},
	174	{
	175	"Firmware Management",
	176	EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GUID
	177	},
6df3af4f HS	178	#if IS_ENABLED(CONFIG_EFI_HTTP_PROTOCOL)
	179	{
	180	"HTTP",
	181	EFI_HTTP_PROTOCOL_GUID,
	182	},
	183	{
	184	"HTTP Service Binding",
	185	EFI_HTTP_SERVICE_BINDING_PROTOCOL_GUID,
	186	},
	187	{
	188	"IPv4 Config2",
	189	EFI_IP4_CONFIG2_PROTOCOL_GUID,
	190	},
	191	#endif
3adae642 HS	192	/* Configuration table GUIDs */
	193	{
	194	"ACPI table",
	195	EFI_ACPI_TABLE_GUID,
	196	},
	197	{
	198	"EFI System Resource Table",
	199	EFI_SYSTEM_RESOURCE_TABLE_GUID,
	200	},
	201	{
	202	"device tree",
	203	EFI_FDT_GUID,
	204	},
	205	{
	206	"SMBIOS table",
	207	SMBIOS_TABLE_GUID,
	208	},
91cc06bc HS	209	{
	210	"SMBIOS3 table",
	211	SMBIOS3_TABLE_GUID,
	212	},
3adae642 HS	213	{
	214	"Runtime properties",
	215	EFI_RT_PROPERTIES_TABLE_GUID,
	216	},
	217	{
	218	"TCG2 Final Events Table",
	219	EFI_TCG2_FINAL_EVENTS_TABLE_GUID,
	220	},
6b92c173 JM	221	{
	222	"EFI Conformance Profiles Table",
	223	EFI_CONFORMANCE_PROFILES_TABLE_GUID,
	224	},
8d4c4265 HS	225	#ifdef CONFIG_EFI_RISCV_BOOT_PROTOCOL
	226	{
	227	"RISC-V Boot",
	228	RISCV_EFI_BOOT_PROTOCOL_GUID,
	229	},
3adae642	230	#endif
8d4c4265	231	#endif /* CONFIG_CMD_EFIDEBUG */
983a5a2e HS	232	#ifdef CONFIG_CMD_NVEDIT_EFI
	233	/* signature database */
	234	{
	235	"EFI_GLOBAL_VARIABLE_GUID",
	236	EFI_GLOBAL_VARIABLE_GUID,
	237	},
	238	{
	239	"EFI_IMAGE_SECURITY_DATABASE_GUID",
	240	EFI_IMAGE_SECURITY_DATABASE_GUID,
	241	},
	242	/* certificate types */
	243	{
	244	"EFI_CERT_SHA256_GUID",
	245	EFI_CERT_SHA256_GUID,
	246	},
	247	{
	248	"EFI_CERT_X509_GUID",
	249	EFI_CERT_X509_GUID,
	250	},
	251	{
	252	"EFI_CERT_TYPE_PKCS7_GUID",
	253	EFI_CERT_TYPE_PKCS7_GUID,
	254	},
	255	#endif
3710802e	256	#if defined(CONFIG_CMD_EFIDEBUG) \|\| defined(CONFIG_EFI)
ac93275d SG	257	{ "EFI_LZMA_COMPRESSED", EFI_LZMA_COMPRESSED },
	258	{ "EFI_DXE_SERVICES", EFI_DXE_SERVICES },
	259	{ "EFI_HOB_LIST", EFI_HOB_LIST },
	260	{ "EFI_MEMORY_TYPE", EFI_MEMORY_TYPE },
	261	{ "EFI_MEM_STATUS_CODE_REC", EFI_MEM_STATUS_CODE_REC },
	262	{ "EFI_GUID_EFI_ACPI1", EFI_GUID_EFI_ACPI1 },
	263	#endif
22c48a92	264	#endif /* !USE_HOSTCC */
bcb41dca PD	265	};
bcb41dca PD	266
bcb41dca PD	267	int uuid_guid_get_bin(const char guid_str, unsigned char guid_bin)
	268	{
	269	int i;
	270
	271	for (i = 0; i < ARRAY_SIZE(list_guid); i++) {
	272	if (!strcmp(list_guid[i].string, guid_str)) {
	273	memcpy(guid_bin, &list_guid[i].guid, 16);
	274	return 0;
	275	}
	276	}
	277	return -ENODEV;
	278	}
	279
31ce367c	280	const char uuid_guid_get_str(const unsigned char guid_bin)
bcb41dca PD	281	{
	282	int i;
	283
bcb41dca PD	284	for (i = 0; i < ARRAY_SIZE(list_guid); i++) {
bcb41dca PD	285	if (!memcmp(list_guid[i].guid.b, guid_bin, 16)) {
31ce367c	286	return list_guid[i].string;
bcb41dca PD	287	}
bcb41dca PD	288	}
31ce367c	289	return NULL;
bcb41dca	290	}
bcb41dca	291
2c2ca207 SG	292	int uuid_str_to_bin(const char uuid_str, unsigned char uuid_bin,
2c2ca207 SG	293	int str_format)
e11938ea JH	294	{
	295	uint16_t tmp16;
	296	uint32_t tmp32;
	297	uint64_t tmp64;
	298
bcb41dca PD	299	if (!uuid_str_valid(uuid_str)) {
	300	#ifdef CONFIG_PARTITION_TYPE_GUID
	301	if (!uuid_guid_get_bin(uuid_str, uuid_bin))
	302	return 0;
	303	#endif
a96a0e61	304	return -EINVAL;
bcb41dca	305	}
a96a0e61	306
d718ded0	307	if (str_format == UUID_STR_FORMAT_STD) {
7e5f460e	308	tmp32 = cpu_to_be32(hextoul(uuid_str, NULL));
d718ded0	309	memcpy(uuid_bin, &tmp32, 4);
e11938ea	310
7e5f460e	311	tmp16 = cpu_to_be16(hextoul(uuid_str + 9, NULL));
d718ded0	312	memcpy(uuid_bin + 4, &tmp16, 2);
e11938ea	313
7e5f460e	314	tmp16 = cpu_to_be16(hextoul(uuid_str + 14, NULL));
d718ded0 PM	315	memcpy(uuid_bin + 6, &tmp16, 2);
d718ded0 PM	316	} else {
7e5f460e	317	tmp32 = cpu_to_le32(hextoul(uuid_str, NULL));
d718ded0	318	memcpy(uuid_bin, &tmp32, 4);
e11938ea	319
7e5f460e	320	tmp16 = cpu_to_le16(hextoul(uuid_str + 9, NULL));
d718ded0	321	memcpy(uuid_bin + 4, &tmp16, 2);
e11938ea	322
7e5f460e	323	tmp16 = cpu_to_le16(hextoul(uuid_str + 14, NULL));
d718ded0 PM	324	memcpy(uuid_bin + 6, &tmp16, 2);
	325	}
	326
7e5f460e	327	tmp16 = cpu_to_be16(hextoul(uuid_str + 19, NULL));
d718ded0	328	memcpy(uuid_bin + 8, &tmp16, 2);
e11938ea	329
6a2664b1	330	tmp64 = cpu_to_be64(hextoull(uuid_str + 24, NULL));
d718ded0	331	memcpy(uuid_bin + 10, (char *)&tmp64 + 2, 6);
a96a0e61 PM	332
	333	return 0;
	334	}
	335
7048f26c AEK	336	int uuid_str_to_le_bin(const char uuid_str, unsigned char uuid_bin)
7048f26c AEK	337	{
22c48a92 CC	338	uint16_t tmp16;
	339	uint32_t tmp32;
	340	uint64_t tmp64;
7048f26c AEK	341
	342	if (!uuid_str_valid(uuid_str) \|\| !uuid_bin)
	343	return -EINVAL;
	344
	345	tmp32 = cpu_to_le32(hextoul(uuid_str, NULL));
	346	memcpy(uuid_bin, &tmp32, 4);
	347
	348	tmp16 = cpu_to_le16(hextoul(uuid_str + 9, NULL));
	349	memcpy(uuid_bin + 4, &tmp16, 2);
	350
	351	tmp16 = cpu_to_le16(hextoul(uuid_str + 14, NULL));
	352	memcpy(uuid_bin + 6, &tmp16, 2);
	353
	354	tmp16 = cpu_to_le16(hextoul(uuid_str + 19, NULL));
	355	memcpy(uuid_bin + 8, &tmp16, 2);
	356
e5a0cb3e	357	tmp64 = cpu_to_le64(hextoull(uuid_str + 24, NULL));
7048f26c AEK	358	memcpy(uuid_bin + 10, &tmp64, 6);
	359
	360	return 0;
	361	}
	362
2c2ca207 SG	363	void uuid_bin_to_str(const unsigned char uuid_bin, char uuid_str,
2c2ca207 SG	364	int str_format)
a96a0e61	365	{
22c48a92	366	const uint8_t uuid_char_order[UUID_BIN_LEN] = {0, 1, 2, 3, 4, 5, 6, 7, 8,
d718ded0	367	9, 10, 11, 12, 13, 14, 15};
22c48a92	368	const uint8_t guid_char_order[UUID_BIN_LEN] = {3, 2, 1, 0, 5, 4, 7, 6, 8,
d718ded0	369	9, 10, 11, 12, 13, 14, 15};
22c48a92	370	const uint8_t *char_order;
3bad256f	371	const char *format;
a96a0e61 PM	372	int i;
a96a0e61 PM	373
d718ded0 PM	374	/*
	375	* UUID and GUID bin data - always in big endian:
	376	* 4B-2B-2B-2B-6B
	377	* be be be be be
	378	*/
3bad256f HS	379	if (str_format & UUID_STR_FORMAT_GUID)
	380	char_order = guid_char_order;
	381	else
d718ded0	382	char_order = uuid_char_order;
3bad256f HS	383	if (str_format & UUID_STR_UPPER_CASE)
3bad256f HS	384	format = "%02X";
d718ded0	385	else
3bad256f	386	format = "%02x";
d718ded0	387
a96a0e61	388	for (i = 0; i < 16; i++) {
3bad256f	389	sprintf(uuid_str, format, uuid_bin[char_order[i]]);
d718ded0	390	uuid_str += 2;
a96a0e61 PM	391	switch (i) {
	392	case 3:
	393	case 5:
	394	case 7:
	395	case 9:
d718ded0	396	*uuid_str++ = '-';
a96a0e61 PM	397	break;
	398	}
	399	}
e11938ea	400	}
4e4815fe	401
4c5e1ff3 CC	402	static void configure_uuid(struct uuid *uuid, unsigned char version)
	403	{
	404	uint16_t tmp;
	405
	406	/* Configure variant/version bits */
	407	tmp = be16_to_cpu(uuid->time_hi_and_version);
	408	tmp = (tmp & ~UUID_VERSION_MASK) \| (version << UUID_VERSION_SHIFT);
	409	uuid->time_hi_and_version = cpu_to_be16(tmp);
	410
	411	uuid->clock_seq_hi_and_reserved &= ~UUID_VARIANT_MASK;
	412	uuid->clock_seq_hi_and_reserved \|= (UUID_VARIANT << UUID_VARIANT_SHIFT);
	413	}
	414
	415	void gen_v5_guid(const struct uuid namespace, struct efi_guid guid, ...)
	416	{
	417	sha1_context ctx;
	418	va_list args;
	419	const uint8_t *data;
	420	uint32_t *tmp32;
	421	uint16_t *tmp16;
	422	uint8_t hash[SHA1_SUM_LEN];
	423
	424	sha1_starts(&ctx);
	425	/* Hash the namespace UUID as salt */
	426	sha1_update(&ctx, (unsigned char *)namespace, UUID_BIN_LEN);
	427	va_start(args, guid);
	428
	429	while ((data = va_arg(args, const uint8_t *))) {
	430	unsigned int len = va_arg(args, size_t);
	431
	432	sha1_update(&ctx, data, len);
	433	}
	434
	435	va_end(args);
	436	sha1_finish(&ctx, hash);
	437
	438	/* Truncate the hash into output UUID, it is already big endian */
	439	memcpy(guid, hash, sizeof(*guid));
	440
	441	configure_uuid((struct uuid *)guid, 5);
	442
	443	/* Make little endian */
	444	tmp32 = (uint32_t *)&guid->b[0];
	445	tmp32 = cpu_to_le32(be32_to_cpu(tmp32));
	446	tmp16 = (uint16_t *)&guid->b[4];
	447	tmp16 = cpu_to_le16(be16_to_cpu(tmp16));
	448	tmp16 = (uint16_t *)&guid->b[6];
	449	tmp16 = cpu_to_le16(be16_to_cpu(tmp16));
	450	}
	451
22c48a92	452	#ifndef USE_HOSTCC
89c8230d	453	#if defined(CONFIG_RANDOM_UUID) \|\| defined(CONFIG_CMD_UUID)
4e4815fe PM	454	void gen_rand_uuid(unsigned char *uuid_bin)
4e4815fe PM	455	{
a1b633df HS	456	u32 ptr[4];
a1b633df HS	457	struct uuid uuid = (struct uuid )ptr;
92fdad28 MB	458	int i, ret;
	459	struct udevice *devp;
	460	u32 randv = 0;
	461
591257b0	462	if (CONFIG_IS_ENABLED(DM_RNG)) {
92fdad28	463	ret = uclass_get_device(UCLASS_RNG, 0, &devp);
70a9f4d2	464	if (!ret) {
92fdad28 MB	465	ret = dm_rng_read(devp, &randv, sizeof(randv));
	466	if (ret < 0)
	467	randv = 0;
	468	}
	469	}
	470	if (randv)
	471	srand(randv);
	472	else
	473	srand(get_ticks() + rand());
4ccf678f	474
4e4815fe	475	/* Set all fields randomly */
a1b633df HS	476	for (i = 0; i < 4; i++)
a1b633df HS	477	ptr[i] = rand();
4e4815fe	478
4c5e1ff3	479	configure_uuid(uuid, UUID_VERSION);
4e4815fe	480
a1b633df	481	memcpy(uuid_bin, uuid, 16);
4e4815fe PM	482	}
4e4815fe PM	483
4e4815fe PM	484	void gen_rand_uuid_str(char *uuid_str, int str_format)
	485	{
	486	unsigned char uuid_bin[UUID_BIN_LEN];
	487
	488	/* Generate UUID (big endian) */
	489	gen_rand_uuid(uuid_bin);
	490
	491	/* Convert UUID bin to UUID or GUID formated STRING */
	492	uuid_bin_to_str(uuid_bin, uuid_str, str_format);
	493	}
89c8230d	494
1d6132e2	495	#if !defined(CONFIG_XPL_BUILD) && defined(CONFIG_CMD_UUID)
09140113	496	int do_uuid(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
89c8230d PM	497	{
	498	char uuid[UUID_STR_LEN + 1];
	499	int str_format;
	500
	501	if (!strcmp(argv[0], "uuid"))
	502	str_format = UUID_STR_FORMAT_STD;
	503	else
	504	str_format = UUID_STR_FORMAT_GUID;
	505
	506	if (argc > 2)
	507	return CMD_RET_USAGE;
	508
	509	gen_rand_uuid_str(uuid, str_format);
	510
	511	if (argc == 1)
	512	printf("%s\n", uuid);
	513	else
382bee57	514	env_set(argv[1], uuid);
89c8230d PM	515
	516	return CMD_RET_SUCCESS;
	517	}
	518
	519	U_BOOT_CMD(uuid, CONFIG_SYS_MAXARGS, 1, do_uuid,
	520	"UUID - generate random Universally Unique Identifier",
	521	"[<varname>]\n"
	522	"Argument:\n"
	523	"varname: for set result in a environment variable\n"
	524	"e.g. uuid uuid_env"
	525	);
	526
	527	U_BOOT_CMD(guid, CONFIG_SYS_MAXARGS, 1, do_uuid,
	528	"GUID - generate Globally Unique Identifier based on random UUID",
	529	"[<varname>]\n"
	530	"Argument:\n"
	531	"varname: for set result in a environment variable\n"
	532	"e.g. guid guid_env"
	533	);
39206382 PM	534	#endif /* CONFIG_CMD_UUID */
39206382 PM	535	#endif /* CONFIG_RANDOM_UUID \|\| CONFIG_CMD_UUID */
22c48a92	536	#endif /* !USE_HOSTCC */