/* SPDX-License-Identifier: GPL-2.0-or-later */ #include "guids.h" #include <stdio.h> #include <string.h> #include <commonlib/bsd/helpers.h> #include "udk2017.h" #include "utils.h" const struct guid_alias_t known_guids[] = { { "coreboot", { 0xceae4c1d, 0x335b, 0x4685, { 0xa4, 0xa0, 0xfc, 0x4a, 0x94, 0xee, 0xa0, 0x85 } }, }, { "dasharo", { 0xd15b327e, 0xff2d, 0x4fc1, { 0xab, 0xf6, 0xc1, 0x2b, 0xd0, 0x8c, 0x13, 0x59 } }, }, { "global", { 0x8be4df61, 0x93ca, 0x11d2, { 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c } }, }, { "microsoft", { 0x77fa9abd, 0x0359, 0x4d32, { 0xbd, 0x60, 0x28, 0xf4, 0xe7, 0x8f, 0x78, 0x4b } }, }, }; const int known_guid_count = ARRAY_SIZE(known_guids); char *format_guid(const EFI_GUID *guid, bool use_alias) { if (use_alias) { for (int i = 0; i < known_guid_count; ++i) { const struct guid_alias_t *known_guid = &known_guids[i]; if (memcmp(&known_guid->guid, guid, sizeof(*guid)) == 0) return strdup(known_guid->alias); } } char *str = xmalloc(GUID_LEN + 1); snprintf(str, GUID_LEN + 1, "%08x-%04x-%04x-%02x%02x%02x%02x%02x%02x%02x%02x", guid->Data1, guid->Data2, guid->Data3, guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3], guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]); return str; } bool parse_guid(const char str[], EFI_GUID *guid) { for (int i = 0; i < known_guid_count; ++i) { const struct guid_alias_t *known_guid = &known_guids[i]; if (str_eq(known_guid->alias, str)) { *guid = known_guid->guid; return true; } } if (strlen(str) != GUID_LEN) return false; int n = sscanf(str, "%08x-%04hx-%04hx-" "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx", &guid->Data1, &guid->Data2, &guid->Data3, &guid->Data4[0], &guid->Data4[1], &guid->Data4[2], &guid->Data4[3], &guid->Data4[4], &guid->Data4[5], &guid->Data4[6], &guid->Data4[7]); return n == 11; }