TSK_MM_INFO *
tsk_mm_gpt_open(TSK_IMG_INFO * img_info, DADDR_T offset)
{
TSK_MM_INFO *mm;
// clean up any errors that are lying around
tsk_error_reset();
mm = (TSK_MM_INFO *) tsk_malloc(sizeof(*mm));
if (mm == NULL)
return NULL;
mm->img_info = img_info;
mm->mmtype = TSK_MM_INFO_TYPE_GPT;
mm->str_type = "GUID Partition Table";
/* If an offset was given, then use that too */
mm->offset = offset;
/* inititialize settings */
mm->part_list = NULL;
mm->first_part = mm->last_part = 0;
mm->endian = 0;
mm->dev_bsize = 512;
mm->block_size = 512;
/* Assign functions */
mm->part_walk = gpt_part_walk;
mm->close = gpt_close;
/* Load the partitions into the sorted list */
if (gpt_load_table(mm)) {
gpt_close(mm);
return NULL;
}
/* fill in the sorted list with the 'unknown' values */
if (tsk_mm_part_unused(mm)) {
gpt_close(mm);
return NULL;
}
return mm;
}
TSK_VS_INFO *
tsk_vs_gpt_open(TSK_IMG_INFO * img_info, TSK_DADDR_T offset)
{
TSK_VS_INFO *vs;
// clean up any errors that are lying around
tsk_error_reset();
vs = (TSK_VS_INFO *) tsk_malloc(sizeof(*vs));
if (vs == NULL)
return NULL;
vs->img_info = img_info;
vs->vstype = TSK_VS_TYPE_GPT;
vs->tag = TSK_VS_INFO_TAG;
/* If an offset was given, then use that too */
vs->offset = offset;
/* inititialize settings */
vs->part_list = NULL;
vs->part_count = 0;
vs->endian = 0;
vs->block_size = img_info->sector_size;
/* Assign functions */
vs->close = gpt_close;
/* Load the partitions into the sorted list */
if (gpt_load_table(vs)) {
int found = 0;
if (tsk_verbose)
tsk_fprintf(stderr, "gpt_open: Trying other sector sizes\n");
/* Before we give up, lets try some other sector sizes */
vs->block_size = 512;
while (vs->block_size <= 8192) {
if (tsk_verbose)
tsk_fprintf(stderr, "gpt_open: Trying sector size: %d\n",
vs->block_size);
if (gpt_load_table(vs)) {
vs->block_size *= 2;
continue;
}
found = 1;
break;
}
if (found == 0) {
gpt_close(vs);
return NULL;
}
}
/* fill in the sorted list with the 'unknown' values */
if (tsk_vs_part_unused(vs)) {
gpt_close(vs);
return NULL;
}
return vs;
}
