Sergii Dmytruk | 04bd965 | 2023-11-17 19:31:20 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | |
| 3 | #include "guids.h" |
| 4 | |
| 5 | #include <stdio.h> |
| 6 | #include <string.h> |
| 7 | |
| 8 | #include <commonlib/bsd/helpers.h> |
| 9 | |
| 10 | #include "udk2017.h" |
| 11 | #include "utils.h" |
| 12 | |
| 13 | const struct guid_alias_t known_guids[] = { |
| 14 | { |
| 15 | "coreboot", |
| 16 | { |
| 17 | 0xceae4c1d, 0x335b, 0x4685, |
| 18 | { 0xa4, 0xa0, 0xfc, 0x4a, 0x94, 0xee, 0xa0, 0x85 } |
| 19 | }, |
| 20 | }, |
| 21 | { |
| 22 | "dasharo", |
| 23 | { |
| 24 | 0xd15b327e, 0xff2d, 0x4fc1, |
| 25 | { 0xab, 0xf6, 0xc1, 0x2b, 0xd0, 0x8c, 0x13, 0x59 } |
| 26 | }, |
| 27 | }, |
| 28 | { |
| 29 | "global", |
| 30 | { |
| 31 | 0x8be4df61, 0x93ca, 0x11d2, |
| 32 | { 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c } |
| 33 | }, |
| 34 | }, |
| 35 | { |
| 36 | "microsoft", |
| 37 | { |
| 38 | 0x77fa9abd, 0x0359, 0x4d32, |
| 39 | { 0xbd, 0x60, 0x28, 0xf4, 0xe7, 0x8f, 0x78, 0x4b } |
| 40 | }, |
| 41 | }, |
| 42 | }; |
| 43 | |
| 44 | const int known_guid_count = ARRAY_SIZE(known_guids); |
| 45 | |
| 46 | char *format_guid(const EFI_GUID *guid, bool use_alias) |
| 47 | { |
| 48 | if (use_alias) { |
| 49 | for (int i = 0; i < known_guid_count; ++i) { |
| 50 | const struct guid_alias_t *known_guid = &known_guids[i]; |
| 51 | if (memcmp(&known_guid->guid, guid, sizeof(*guid)) == 0) |
| 52 | return strdup(known_guid->alias); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | char *str = xmalloc(GUID_LEN + 1); |
| 57 | snprintf(str, GUID_LEN + 1, |
| 58 | "%08x-%04x-%04x-%02x%02x%02x%02x%02x%02x%02x%02x", |
| 59 | guid->Data1, guid->Data2, guid->Data3, |
| 60 | guid->Data4[0], guid->Data4[1], |
| 61 | guid->Data4[2], guid->Data4[3], |
| 62 | guid->Data4[4], guid->Data4[5], |
| 63 | guid->Data4[6], guid->Data4[7]); |
| 64 | return str; |
| 65 | } |
| 66 | |
| 67 | bool parse_guid(const char str[], EFI_GUID *guid) |
| 68 | { |
| 69 | for (int i = 0; i < known_guid_count; ++i) { |
| 70 | const struct guid_alias_t *known_guid = &known_guids[i]; |
| 71 | if (str_eq(known_guid->alias, str)) { |
| 72 | *guid = known_guid->guid; |
| 73 | return true; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | if (strlen(str) != GUID_LEN) |
| 78 | return false; |
| 79 | |
| 80 | int n = sscanf(str, |
| 81 | "%08x-%04hx-%04hx-" |
| 82 | "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx", |
| 83 | &guid->Data1, &guid->Data2, &guid->Data3, |
| 84 | &guid->Data4[0], &guid->Data4[1], |
| 85 | &guid->Data4[2], &guid->Data4[3], |
| 86 | &guid->Data4[4], &guid->Data4[5], |
| 87 | &guid->Data4[6], &guid->Data4[7]); |
| 88 | return n == 11; |
| 89 | } |