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/* 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;
}
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