/* Matches Windows registry HKLM\SYSYTEM\MountedDevices\DosDevices blob to
* to libguestfs GPT partition device. For GPT disks, the blob is made of
* "DMIO:ID:" prefix followed by the GPT partition GUID.
*/
static char *
map_registry_disk_blob_gpt (guestfs_h *g, const void *blob)
{
CLEANUP_FREE_STRING_LIST char **parts = NULL;
CLEANUP_FREE char *blob_guid = extract_guid_from_registry_blob (g, blob);
size_t i;
parts = guestfs_list_partitions (g);
if (parts == NULL)
return NULL;
for (i = 0; parts[i] != NULL; ++i) {
CLEANUP_FREE char *fs_guid = NULL;
int partnum;
CLEANUP_FREE char *device = NULL;
CLEANUP_FREE char *type = NULL;
partnum = guestfs_part_to_partnum (g, parts[i]);
if (partnum == -1)
continue;
device = guestfs_part_to_dev (g, parts[i]);
if (device == NULL)
continue;
type = guestfs_part_get_parttype (g, device);
if (type == NULL)
continue;
if (STRCASENEQ (type, "gpt"))
continue;
/* get the GPT parition GUID from the partition block device */
fs_guid = guestfs_part_get_gpt_guid (g, device, partnum);
if (fs_guid == NULL)
continue;
/* if both GUIDs match, we have found the mapping for our device */
if (STRCASEEQ (fs_guid, blob_guid))
return safe_strdup (g, parts[i]);
}
return NULL;
}
static int
get_mbr_id (const char *dev, const char *parent_name)
{
CLEANUP_FREE char *parttype = NULL;
int mbr_id = -1, partnum;
guestfs_push_error_handler (g, NULL, NULL);
parttype = guestfs_part_get_parttype (g, parent_name);
if (parttype && STREQ (parttype, "msdos")) {
partnum = guestfs_part_to_partnum (g, dev);
if (partnum >= 0)
mbr_id = guestfs_part_get_mbr_id (g, parent_name, partnum);
}
guestfs_pop_error_handler (g);
return mbr_id;
}
