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Bug fix: The GUIDs of main GPT and backup GPT differed if more than one

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System Area was written into the ISO image.
This commit is contained in:
Thomas Schmitt
2014-04-11 16:15:19 +02:00
parent dd27f579eb
commit a394f4dfd2
3 changed files with 10 additions and 6 deletions
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13
libisofs/system_area.c
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@ -1385,11 +1385,9 @@ static void iso_write_gpt_entry(Ecma119Image *t, uint8_t *buf,
for (i = 0; i < 16; i++)
if (part_uuid[i])
break;
if (i < 16) {
memcpy(wpt, part_uuid, 16);
} else {
iso_random_uuid(t, (uint8_t *) wpt);
}
if (i == 16)
iso_random_uuid(t, part_uuid);
memcpy(wpt, part_uuid, 16);
wpt += 16;
iso_lsb_to_buf(&wpt, start_lba & 0xffffffff, 4, 0);
iso_lsb_to_buf(&wpt, (start_lba >> 32) & 0xffffffff, 4, 0);
@ -1450,7 +1448,10 @@ int iso_write_gpt_header_block(Ecma119Image *t, uint32_t img_blocks,
/* Disk GUID */
/* >>> Make adjustable */
iso_random_uuid(t, (uint8_t *) wpt);
if (!t->gpt_disk_guid_set)
iso_random_uuid(t, t->gpt_disk_guid);
t->gpt_disk_guid_set = 1;
memcpy(wpt, t->gpt_disk_guid, 16);
wpt += 16;
/* Partition entries start */