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Bug fix: The HFS+ filesystem was not marked by in GPT of GRUB2 hybrid layout.

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This commit is contained in:
Thomas Schmitt 2015-12-23 20:49:13 +01:00
parent 9e01d3654e
commit 17e8cb6697
1 changed files with 67 additions and 0 deletions
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67
libisofs/system_area.c
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@ -1567,6 +1567,69 @@ void iso_ascii_utf_16le(uint8_t gap_name[72])
}
static int intvl_overlap(uint64_t start1, uint64_t end1,
uint64_t start2, uint64_t end2, int second)
{
if (start1 >= start2 && start1 <= end2)
return 1;
if (end1 >= start2 && end1 <= end2)
return 1;
if (!second)
return intvl_overlap(start2, end2, start1, end1, 1);
return 0;
}
/* Check APM HFS+ partitions whether they would fit in gaps.
If so, add them as GPT partitions, too.
*/
static int iso_copy_apmhfs_to_gpt(Ecma119Image *t, int flag)
{
int a, i, counter = 0, ret;
uint64_t bfac = 4;
static uint8_t hfs_plus_uuid[16] = {
0x00, 0x53, 0x46, 0x48, 0x00, 0x00, 0xaa, 0x11,
0xaa, 0x11, 0x00, 0x30, 0x65, 0x43, 0xec, 0xac
};
static uint8_t zero_uuid[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t gpt_name[72];
static uint64_t gpt_flags = (((uint64_t) 1) << 60) | 1;
if ((t->apm_req_flags & 4) && t->opts->apm_block_size / 512 > 0)
bfac = t->opts->apm_block_size / 512;
for (a = 0; a < t->apm_req_count; a++) {
if (strcmp((char *) t->apm_req[a]->type, "Apple_HFS") != 0)
continue;
for (i = 0; i < t->gpt_req_count; i++)
if (intvl_overlap(t->apm_req[a]->start_block * bfac,
(t->apm_req[a]->start_block +
t->apm_req[a]->block_count - 1) * bfac,
t->gpt_req[i]->start_block,
t->gpt_req[i]->start_block +
t->gpt_req[i]->block_count - 1, 0))
break;
if (i >= t->gpt_req_count) {
memset(gpt_name, 0, 72);
counter++;
if (counter > 1)
sprintf((char *) gpt_name, "HFSPLUS_%d", counter);
else
sprintf((char *) gpt_name, "HFSPLUS");
iso_ascii_utf_16le(gpt_name);
ret = iso_quick_gpt_entry(t->gpt_req, &(t->gpt_req_count),
t->apm_req[a]->start_block * bfac,
t->apm_req[a]->block_count * bfac,
hfs_plus_uuid, zero_uuid,
gpt_flags, gpt_name);
if (ret < 0)
return ret;
}
}
return 1;
}
static int iso_write_gpt(Ecma119Image *t, uint32_t img_blocks, uint8_t *buf)
{
static uint8_t basic_data_uuid[16] = {
@ -1586,6 +1649,10 @@ static int iso_write_gpt(Ecma119Image *t, uint32_t img_blocks, uint8_t *buf)
return 2;
backup_end_lba = ((uint64_t) t->gpt_backup_end - t->gpt_backup_size) * 4;
ret = iso_copy_apmhfs_to_gpt(t, 0);
if (ret <= 0)
return ret;
/* Sort and fill gaps */
qsort(t->gpt_req, t->gpt_req_count,
sizeof(struct iso_gpt_partition_request *), cmp_partition_request);