[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)
#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
	},
	/* 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(hextoul(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(hextoul(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_SPL_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)
	38	#endif
	39
e11938ea JH	40	int uuid_str_valid(const char *uuid)
	41	{
	42	int i, valid;
	43
	44	if (uuid == NULL)
	45	return 0;
	46
	47	for (i = 0, valid = 1; uuid[i] && valid; i++) {
	48	switch (i) {
	49	case 8: case 13: case 18: case 23:
	50	valid = (uuid[i] == '-');
	51	break;
	52	default:
	53	valid = isxdigit(uuid[i]);
	54	break;
	55	}
	56	}
	57
d718ded0	58	if (i != UUID_STR_LEN \|\| !valid)
e11938ea JH	59	return 0;
	60
	61	return 1;
	62	}
	63
bcb41dca PD	64	static const struct {
	65	const char *string;
	66	efi_guid_t guid;
	67	} list_guid[] = {
22c48a92	68	#ifndef USE_HOSTCC
c1528f32	69	#ifdef CONFIG_PARTITION_TYPE_GUID
bcb41dca PD	70	{"system", PARTITION_SYSTEM_GUID},
	71	{"mbr", LEGACY_MBR_PARTITION_GUID},
	72	{"msft", PARTITION_MSFT_RESERVED_GUID},
	73	{"data", PARTITION_BASIC_DATA_GUID},
	74	{"linux", PARTITION_LINUX_FILE_SYSTEM_DATA_GUID},
	75	{"raid", PARTITION_LINUX_RAID_GUID},
	76	{"swap", PARTITION_LINUX_SWAP_GUID},
c0364ce1 RV	77	{"lvm", PARTITION_LINUX_LVM_GUID},
c0364ce1 RV	78	{"u-boot-env", PARTITION_U_BOOT_ENVIRONMENT},
966b16c5 SG	79	{"cros-kern", PARTITION_CROS_KERNEL},
	80	{"cros-root", PARTITION_CROS_ROOT},
	81	{"cros-fw", PARTITION_CROS_FIRMWARE},
	82	{"cros-rsrv", PARTITION_CROS_RESERVED},
c1528f32	83	#endif
4e5e49a3	84	#if defined(CONFIG_CMD_EFIDEBUG) \|\| defined(CONFIG_EFI)
3adae642 HS	85	{
	86	"Device Path",
	87	EFI_DEVICE_PATH_PROTOCOL_GUID,
	88	},
	89	{
	90	"Device Path To Text",
	91	EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID,
	92	},
	93	{
	94	"Device Path Utilities",
	95	EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID,
	96	},
	97	{
	98	"Unicode Collation 2",
	99	EFI_UNICODE_COLLATION_PROTOCOL2_GUID,
	100	},
	101	{
	102	"Driver Binding",
	103	EFI_DRIVER_BINDING_PROTOCOL_GUID,
	104	},
	105	{
	106	"Simple Text Input",
	107	EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID,
	108	},
	109	{
	110	"Simple Text Input Ex",
	111	EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID,
	112	},
	113	{
	114	"Simple Text Output",
	115	EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID,
	116	},
	117	{
	118	"Block IO",
	119	EFI_BLOCK_IO_PROTOCOL_GUID,
	120	},
	121	{
	122	"Simple File System",
	123	EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID,
	124	},
	125	{
	126	"Loaded Image",
	127	EFI_LOADED_IMAGE_PROTOCOL_GUID,
	128	},
	129	{
	130	"Graphics Output",
	131	EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID,
	132	},
	133	{
	134	"HII String",
	135	EFI_HII_STRING_PROTOCOL_GUID,
	136	},
	137	{
	138	"HII Database",
	139	EFI_HII_DATABASE_PROTOCOL_GUID,
	140	},
	141	{
	142	"HII Config Routing",
	143	EFI_HII_CONFIG_ROUTING_PROTOCOL_GUID,
	144	},
	145	{
	146	"Load File2",
	147	EFI_LOAD_FILE2_PROTOCOL_GUID,
	148	},
149	{
150	"Random Number Generator",
151	EFI_RNG_PROTOCOL_GUID,
152	},
153	{
154	"Simple Network",
155	EFI_SIMPLE_NETWORK_PROTOCOL_GUID,
156	},
157	{
158	"PXE Base Code",
159	EFI_PXE_BASE_CODE_PROTOCOL_GUID,
160	},
161	{
162	"Device-Tree Fixup",
163	EFI_DT_FIXUP_PROTOCOL_GUID,
164	},
38040a63 HS	165	{
	166	"TCG2",
	167	EFI_TCG2_PROTOCOL_GUID,
	168	},
3adae642 HS	169	{
	170	"System Partition",
	171	PARTITION_SYSTEM_GUID
	172	},
	173	{
	174	"Firmware Management",
	175	EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GUID
	176	},
	177	/* Configuration table GUIDs */
	178	{
	179	"ACPI table",
	180	EFI_ACPI_TABLE_GUID,
	181	},
	182	{
	183	"EFI System Resource Table",
	184	EFI_SYSTEM_RESOURCE_TABLE_GUID,
	185	},
	186	{
	187	"device tree",
	188	EFI_FDT_GUID,
	189	},
	190	{
	191	"SMBIOS table",
	192	SMBIOS_TABLE_GUID,
	193	},
91cc06bc HS	194	{
	195	"SMBIOS3 table",
	196	SMBIOS3_TABLE_GUID,
	197	},
3adae642 HS	198	{
	199	"Runtime properties",
	200	EFI_RT_PROPERTIES_TABLE_GUID,
	201	},
	202	{
	203	"TCG2 Final Events Table",
	204	EFI_TCG2_FINAL_EVENTS_TABLE_GUID,
	205	},
6b92c173 JM	206	{
	207	"EFI Conformance Profiles Table",
	208	EFI_CONFORMANCE_PROFILES_TABLE_GUID,
	209	},
8d4c4265 HS	210	#ifdef CONFIG_EFI_RISCV_BOOT_PROTOCOL
	211	{
	212	"RISC-V Boot",
	213	RISCV_EFI_BOOT_PROTOCOL_GUID,
	214	},
3adae642	215	#endif
8d4c4265	216	#endif /* CONFIG_CMD_EFIDEBUG */
983a5a2e HS	217	#ifdef CONFIG_CMD_NVEDIT_EFI
	218	/* signature database */
	219	{
	220	"EFI_GLOBAL_VARIABLE_GUID",
	221	EFI_GLOBAL_VARIABLE_GUID,
	222	},
	223	{
	224	"EFI_IMAGE_SECURITY_DATABASE_GUID",
	225	EFI_IMAGE_SECURITY_DATABASE_GUID,
	226	},
	227	/* certificate types */
	228	{
	229	"EFI_CERT_SHA256_GUID",
	230	EFI_CERT_SHA256_GUID,
	231	},
	232	{
	233	"EFI_CERT_X509_GUID",
	234	EFI_CERT_X509_GUID,
	235	},
	236	{
	237	"EFI_CERT_TYPE_PKCS7_GUID",
	238	EFI_CERT_TYPE_PKCS7_GUID,
	239	},
	240	#endif
3710802e	241	#if defined(CONFIG_CMD_EFIDEBUG) \|\| defined(CONFIG_EFI)
ac93275d SG	242	{ "EFI_LZMA_COMPRESSED", EFI_LZMA_COMPRESSED },
	243	{ "EFI_DXE_SERVICES", EFI_DXE_SERVICES },
	244	{ "EFI_HOB_LIST", EFI_HOB_LIST },
	245	{ "EFI_MEMORY_TYPE", EFI_MEMORY_TYPE },
	246	{ "EFI_MEM_STATUS_CODE_REC", EFI_MEM_STATUS_CODE_REC },
	247	{ "EFI_GUID_EFI_ACPI1", EFI_GUID_EFI_ACPI1 },
	248	#endif
22c48a92	249	#endif /* !USE_HOSTCC */
bcb41dca PD	250	};
bcb41dca PD	251
bcb41dca PD	252	int uuid_guid_get_bin(const char guid_str, unsigned char guid_bin)
	253	{
	254	int i;
	255
	256	for (i = 0; i < ARRAY_SIZE(list_guid); i++) {
	257	if (!strcmp(list_guid[i].string, guid_str)) {
	258	memcpy(guid_bin, &list_guid[i].guid, 16);
	259	return 0;
	260	}
	261	}
	262	return -ENODEV;
	263	}
	264
31ce367c	265	const char uuid_guid_get_str(const unsigned char guid_bin)
bcb41dca PD	266	{
	267	int i;
	268
bcb41dca PD	269	for (i = 0; i < ARRAY_SIZE(list_guid); i++) {
bcb41dca PD	270	if (!memcmp(list_guid[i].guid.b, guid_bin, 16)) {
31ce367c	271	return list_guid[i].string;
bcb41dca PD	272	}
bcb41dca PD	273	}
31ce367c	274	return NULL;
bcb41dca	275	}
bcb41dca	276
2c2ca207 SG	277	int uuid_str_to_bin(const char uuid_str, unsigned char uuid_bin,
2c2ca207 SG	278	int str_format)
e11938ea JH	279	{
	280	uint16_t tmp16;
	281	uint32_t tmp32;
	282	uint64_t tmp64;
	283
bcb41dca PD	284	if (!uuid_str_valid(uuid_str)) {
	285	#ifdef CONFIG_PARTITION_TYPE_GUID
	286	if (!uuid_guid_get_bin(uuid_str, uuid_bin))
	287	return 0;
	288	#endif
a96a0e61	289	return -EINVAL;
bcb41dca	290	}
a96a0e61	291
d718ded0	292	if (str_format == UUID_STR_FORMAT_STD) {
7e5f460e	293	tmp32 = cpu_to_be32(hextoul(uuid_str, NULL));
d718ded0	294	memcpy(uuid_bin, &tmp32, 4);
e11938ea	295
7e5f460e	296	tmp16 = cpu_to_be16(hextoul(uuid_str + 9, NULL));
d718ded0	297	memcpy(uuid_bin + 4, &tmp16, 2);
e11938ea	298
7e5f460e	299	tmp16 = cpu_to_be16(hextoul(uuid_str + 14, NULL));
d718ded0 PM	300	memcpy(uuid_bin + 6, &tmp16, 2);
d718ded0 PM	301	} else {
7e5f460e	302	tmp32 = cpu_to_le32(hextoul(uuid_str, NULL));
d718ded0	303	memcpy(uuid_bin, &tmp32, 4);
e11938ea	304
7e5f460e	305	tmp16 = cpu_to_le16(hextoul(uuid_str + 9, NULL));
d718ded0	306	memcpy(uuid_bin + 4, &tmp16, 2);
e11938ea	307
7e5f460e	308	tmp16 = cpu_to_le16(hextoul(uuid_str + 14, NULL));
d718ded0 PM	309	memcpy(uuid_bin + 6, &tmp16, 2);
	310	}
	311
7e5f460e	312	tmp16 = cpu_to_be16(hextoul(uuid_str + 19, NULL));
d718ded0	313	memcpy(uuid_bin + 8, &tmp16, 2);
e11938ea	314
22c48a92	315	tmp64 = cpu_to_be64(hextoul(uuid_str + 24, NULL));
d718ded0	316	memcpy(uuid_bin + 10, (char *)&tmp64 + 2, 6);
a96a0e61 PM	317
	318	return 0;
	319	}
	320
7048f26c AEK	321	int uuid_str_to_le_bin(const char uuid_str, unsigned char uuid_bin)
7048f26c AEK	322	{
22c48a92 CC	323	uint16_t tmp16;
	324	uint32_t tmp32;
	325	uint64_t tmp64;
7048f26c AEK	326
	327	if (!uuid_str_valid(uuid_str) \|\| !uuid_bin)
	328	return -EINVAL;
	329
	330	tmp32 = cpu_to_le32(hextoul(uuid_str, NULL));
	331	memcpy(uuid_bin, &tmp32, 4);
	332
	333	tmp16 = cpu_to_le16(hextoul(uuid_str + 9, NULL));
	334	memcpy(uuid_bin + 4, &tmp16, 2);
	335
	336	tmp16 = cpu_to_le16(hextoul(uuid_str + 14, NULL));
	337	memcpy(uuid_bin + 6, &tmp16, 2);
	338
	339	tmp16 = cpu_to_le16(hextoul(uuid_str + 19, NULL));
	340	memcpy(uuid_bin + 8, &tmp16, 2);
	341
22c48a92	342	tmp64 = cpu_to_le64(hextoul(uuid_str + 24, NULL));
7048f26c AEK	343	memcpy(uuid_bin + 10, &tmp64, 6);
	344
	345	return 0;
	346	}
	347
2c2ca207 SG	348	void uuid_bin_to_str(const unsigned char uuid_bin, char uuid_str,
2c2ca207 SG	349	int str_format)
a96a0e61	350	{
22c48a92	351	const uint8_t uuid_char_order[UUID_BIN_LEN] = {0, 1, 2, 3, 4, 5, 6, 7, 8,
d718ded0	352	9, 10, 11, 12, 13, 14, 15};
22c48a92	353	const uint8_t guid_char_order[UUID_BIN_LEN] = {3, 2, 1, 0, 5, 4, 7, 6, 8,
d718ded0	354	9, 10, 11, 12, 13, 14, 15};
22c48a92	355	const uint8_t *char_order;
3bad256f	356	const char *format;
a96a0e61 PM	357	int i;
a96a0e61 PM	358
d718ded0 PM	359	/*
	360	* UUID and GUID bin data - always in big endian:
	361	* 4B-2B-2B-2B-6B
	362	* be be be be be
	363	*/
3bad256f HS	364	if (str_format & UUID_STR_FORMAT_GUID)
	365	char_order = guid_char_order;
	366	else
d718ded0	367	char_order = uuid_char_order;
3bad256f HS	368	if (str_format & UUID_STR_UPPER_CASE)
3bad256f HS	369	format = "%02X";
d718ded0	370	else
3bad256f	371	format = "%02x";
d718ded0	372
a96a0e61	373	for (i = 0; i < 16; i++) {
3bad256f	374	sprintf(uuid_str, format, uuid_bin[char_order[i]]);
d718ded0	375	uuid_str += 2;
a96a0e61 PM	376	switch (i) {
	377	case 3:
	378	case 5:
	379	case 7:
	380	case 9:
d718ded0	381	*uuid_str++ = '-';
a96a0e61 PM	382	break;
	383	}
	384	}
e11938ea	385	}
4e4815fe	386
4c5e1ff3 CC	387	static void configure_uuid(struct uuid *uuid, unsigned char version)
	388	{
	389	uint16_t tmp;
	390
	391	/* Configure variant/version bits */
	392	tmp = be16_to_cpu(uuid->time_hi_and_version);
	393	tmp = (tmp & ~UUID_VERSION_MASK) \| (version << UUID_VERSION_SHIFT);
	394	uuid->time_hi_and_version = cpu_to_be16(tmp);
	395
	396	uuid->clock_seq_hi_and_reserved &= ~UUID_VARIANT_MASK;
	397	uuid->clock_seq_hi_and_reserved \|= (UUID_VARIANT << UUID_VARIANT_SHIFT);
	398	}
	399
	400	void gen_v5_guid(const struct uuid namespace, struct efi_guid guid, ...)
	401	{
	402	sha1_context ctx;
	403	va_list args;
	404	const uint8_t *data;
	405	uint32_t *tmp32;
	406	uint16_t *tmp16;
	407	uint8_t hash[SHA1_SUM_LEN];
	408
	409	sha1_starts(&ctx);
	410	/* Hash the namespace UUID as salt */
	411	sha1_update(&ctx, (unsigned char *)namespace, UUID_BIN_LEN);
	412	va_start(args, guid);
	413
	414	while ((data = va_arg(args, const uint8_t *))) {
	415	unsigned int len = va_arg(args, size_t);
	416
	417	sha1_update(&ctx, data, len);
	418	}
	419
	420	va_end(args);
	421	sha1_finish(&ctx, hash);
	422
	423	/* Truncate the hash into output UUID, it is already big endian */
	424	memcpy(guid, hash, sizeof(*guid));
	425
	426	configure_uuid((struct uuid *)guid, 5);
	427
	428	/* Make little endian */
	429	tmp32 = (uint32_t *)&guid->b[0];
	430	tmp32 = cpu_to_le32(be32_to_cpu(tmp32));
	431	tmp16 = (uint16_t *)&guid->b[4];
	432	tmp16 = cpu_to_le16(be16_to_cpu(tmp16));
	433	tmp16 = (uint16_t *)&guid->b[6];
	434	tmp16 = cpu_to_le16(be16_to_cpu(tmp16));
	435	}
	436
22c48a92	437	#ifndef USE_HOSTCC
89c8230d	438	#if defined(CONFIG_RANDOM_UUID) \|\| defined(CONFIG_CMD_UUID)
4e4815fe PM	439	void gen_rand_uuid(unsigned char *uuid_bin)
4e4815fe PM	440	{
a1b633df HS	441	u32 ptr[4];
a1b633df HS	442	struct uuid uuid = (struct uuid )ptr;
92fdad28 MB	443	int i, ret;
	444	struct udevice *devp;
	445	u32 randv = 0;
	446
591257b0	447	if (CONFIG_IS_ENABLED(DM_RNG)) {
92fdad28	448	ret = uclass_get_device(UCLASS_RNG, 0, &devp);
70a9f4d2	449	if (!ret) {
92fdad28 MB	450	ret = dm_rng_read(devp, &randv, sizeof(randv));
	451	if (ret < 0)
	452	randv = 0;
	453	}
	454	}
	455	if (randv)
	456	srand(randv);
	457	else
	458	srand(get_ticks() + rand());
4ccf678f	459
4e4815fe	460	/* Set all fields randomly */
a1b633df HS	461	for (i = 0; i < 4; i++)
a1b633df HS	462	ptr[i] = rand();
4e4815fe	463
4c5e1ff3	464	configure_uuid(uuid, UUID_VERSION);
4e4815fe	465
a1b633df	466	memcpy(uuid_bin, uuid, 16);
4e4815fe PM	467	}
4e4815fe PM	468
4e4815fe PM	469	void gen_rand_uuid_str(char *uuid_str, int str_format)
	470	{
	471	unsigned char uuid_bin[UUID_BIN_LEN];
	472
	473	/* Generate UUID (big endian) */
	474	gen_rand_uuid(uuid_bin);
	475
	476	/* Convert UUID bin to UUID or GUID formated STRING */
	477	uuid_bin_to_str(uuid_bin, uuid_str, str_format);
	478	}
89c8230d	479
05f6da3f	480	#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_CMD_UUID)
09140113	481	int do_uuid(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
89c8230d PM	482	{
	483	char uuid[UUID_STR_LEN + 1];
	484	int str_format;
	485
	486	if (!strcmp(argv[0], "uuid"))
	487	str_format = UUID_STR_FORMAT_STD;
	488	else
	489	str_format = UUID_STR_FORMAT_GUID;
	490
	491	if (argc > 2)
	492	return CMD_RET_USAGE;
	493
	494	gen_rand_uuid_str(uuid, str_format);
	495
	496	if (argc == 1)
	497	printf("%s\n", uuid);
	498	else
382bee57	499	env_set(argv[1], uuid);
89c8230d PM	500
	501	return CMD_RET_SUCCESS;
	502	}
	503
	504	U_BOOT_CMD(uuid, CONFIG_SYS_MAXARGS, 1, do_uuid,
	505	"UUID - generate random Universally Unique Identifier",
	506	"[<varname>]\n"
	507	"Argument:\n"
	508	"varname: for set result in a environment variable\n"
	509	"e.g. uuid uuid_env"
	510	);
	511
	512	U_BOOT_CMD(guid, CONFIG_SYS_MAXARGS, 1, do_uuid,
	513	"GUID - generate Globally Unique Identifier based on random UUID",
	514	"[<varname>]\n"
	515	"Argument:\n"
	516	"varname: for set result in a environment variable\n"
	517	"e.g. guid guid_env"
	518	);
39206382 PM	519	#endif /* CONFIG_CMD_UUID */
39206382 PM	520	#endif /* CONFIG_RANDOM_UUID \|\| CONFIG_CMD_UUID */
22c48a92	521	#endif /* !USE_HOSTCC */