diff options
Diffstat (limited to 'util-linux/volume_id/mac.c')
-rw-r--r-- | util-linux/volume_id/mac.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/util-linux/volume_id/mac.c b/util-linux/volume_id/mac.c deleted file mode 100644 index 94a99bee0..000000000 --- a/util-linux/volume_id/mac.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * volume_id - reads filesystem label and uuid - * - * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "volume_id_internal.h" - -struct mac_driver_desc { - uint8_t signature[2]; - uint16_t block_size; - uint32_t block_count; -} __attribute__((__packed__)); - -struct mac_partition { - uint8_t signature[2]; - uint16_t res1; - uint32_t map_count; - uint32_t start_block; - uint32_t block_count; - uint8_t name[32]; - uint8_t type[32]; -} __attribute__((__packed__)); - -int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off) -{ - const uint8_t *buf; - struct mac_driver_desc *driver; - struct mac_partition *part; - - dbg("probing at offset 0x%llx", (unsigned long long) off); - - buf = volume_id_get_buffer(id, off, 0x200); - if (buf == NULL) - return -1; - - part = (struct mac_partition *) buf; - if ((memcmp(part->signature, "PM", 2) == 0) && - (memcmp(part->type, "Apple_partition_map", 19) == 0)) { - /* linux creates an own subdevice for the map - * just return the type if the drive header is missing */ - volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE); - id->type = "mac_partition_map"; - return 0; - } - - driver = (struct mac_driver_desc *) buf; - if (memcmp(driver->signature, "ER", 2) == 0) { - /* we are on a main device, like a CD - * just try to probe the first partition from the map */ - unsigned bsize = be16_to_cpu(driver->block_size); - int part_count; - int i; - - /* get first entry of partition table */ - buf = volume_id_get_buffer(id, off + bsize, 0x200); - if (buf == NULL) - return -1; - - part = (struct mac_partition *) buf; - if (memcmp(part->signature, "PM", 2) != 0) - return -1; - - part_count = be32_to_cpu(part->map_count); - dbg("expecting %d partition entries", part_count); - - if (id->partitions != NULL) - free(id->partitions); - id->partitions = - malloc(part_count * sizeof(struct volume_id_partition)); - if (id->partitions == NULL) - return -1; - memset(id->partitions, 0x00, sizeof(struct volume_id_partition)); - - id->partition_count = part_count; - - for (i = 0; i < part_count; i++) { - uint64_t poff; - uint64_t plen; - - buf = volume_id_get_buffer(id, off + ((i+1) * bsize), 0x200); - if (buf == NULL) - return -1; - - part = (struct mac_partition *) buf; - if (memcmp(part->signature, "PM", 2) != 0) - return -1; - - poff = be32_to_cpu(part->start_block) * bsize; - plen = be32_to_cpu(part->block_count) * bsize; - dbg("found '%s' partition entry at 0x%llx, len 0x%llx", - part->type, (unsigned long long) poff, (unsigned long long) plen); - - id->partitions[i].off = poff; - id->partitions[i].len = plen; - - if (memcmp(part->type, "Apple_Free", 10) == 0) { - volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_UNUSED); - } else if (memcmp(part->type, "Apple_partition_map", 19) == 0) { - volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_PARTITIONTABLE); - } else { - volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_UNPROBED); - } - } - volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE); - id->type = "mac_partition_map"; - return 0; - } - - return -1; -} |