volume_id: remove partition table parsing code

5 files changed, 14 insertions, 358 deletions

diff --git a/extras/volume_id/README b/extras/volume_id/README
index 974a5016..640a9e47 100644
--- a/extras/volume_id/README
+++ b/extras/volume_id/README
@@ -36,6 +36,7 @@ sysv                   *      *      -     *
 luks                   *      -      *     -
 hpfs                   *      -      -     -
 romfs                  *
+squashfs               *
 minix                  *
 highpoint              *
 isw_raid               *
@@ -44,29 +45,26 @@ nvidia_raid            *
 promise_raid           *
 silicon_raid           *
 via_raid               *
-mac partitons          *
-msdos partitions       *
 
 
-The following rule will create a symlink named with the label string:
-  KERNEL=="[hs]d*", PROGRAM=="/sbin/vol_id -l %N", SYMLINK+="%c"
-
 If no label is found vol_id exits with nonzero and the rule will be
 ignored.
 
 To give it a try, you may call it on the commandline:
-  [root@pim udev.kay]# extras/volume_id/vol_id /dev/hda3
-  T:ext3
-  L:Music Store
-  N:Music_Store
-  U:d2da42b5-bbd9-44eb-a72c-cc4542fcb71e
+  $ extras/volume_id/vol_id --export /dev/sda6
+  ID_FS_USAGE=filesystem
+  ID_FS_TYPE=ext3
+  ID_FS_VERSION=1.0
+  ID_FS_UUID=3e999973-00c9-4917-9442-b7633bd95b9e
+  ID_FS_LABEL=devel
+  ID_FS_LABEL_SAFE=devel
 
-  [root@pim udev.kay]# extras/volume_id/vol_id -l /dev/hda3
-  Music_Store
+  $ extras/volume_id/vol_id -l /dev/sda6
+  devel
 
-  [root@pim udev.kay]# extras/volume_id/vol_id -t /dev/hda3
-  swap
+  $ extras/volume_id/vol_id -t /dev/sda6
+  ext3
 
 
 Any comment/questions/concerns to me:
-Kay Sievers <kay.sievers@vrfy.org>
+  Kay Sievers <kay.sievers@vrfy.org>
diff --git a/extras/volume_id/libvolume_id/Makefile b/extras/volume_id/libvolume_id/Makefile
index 2a86e931..a5f9c1a8 100644
--- a/extras/volume_id/libvolume_id/Makefile
+++ b/extras/volume_id/libvolume_id/Makefile
@@ -23,8 +23,6 @@ OBJS=				\
 	linux_raid.o		\
 	linux_swap.o		\
 	lvm.o			\
-	mac.o			\
-	msdos.o			\
 	ntfs.o			\
 	reiserfs.o		\
 	udf.o			\
diff --git a/extras/volume_id/libvolume_id/mac.c b/extras/volume_id/libvolume_id/mac.c
deleted file mode 100644
index 78ef9fc8..00000000
--- a/extras/volume_id/libvolume_id/mac.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * volume_id - reads filesystem label and uuid
- *
- * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
- *
- *	This program is free software; you can redistribute it and/or modify it
- *	under the terms of the GNU General Public License as published by the
- *	Free Software Foundation version 2 of the License.
- */
-
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE 1
-#endif
-
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <ctype.h>
-
-#include "volume_id.h"
-#include "logging.h"
-#include "util.h"
-
-struct mac_driver_desc {
-	uint8_t		signature[2];
-	uint16_t	block_size;
-	uint32_t	block_count;
-} 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];
-} 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 int 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 (part_count < 1 || part_count > 256)
-			return -1;
-
-		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, part_count * 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;
-}
diff --git a/extras/volume_id/libvolume_id/msdos.c b/extras/volume_id/libvolume_id/msdos.c
deleted file mode 100644
index ca3801a8..00000000
--- a/extras/volume_id/libvolume_id/msdos.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * volume_id - reads filesystem label and uuid
- *
- * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
- *
- *	This program is free software; you can redistribute it and/or modify it
- *	under the terms of the GNU General Public License as published by the
- *	Free Software Foundation version 2 of the License.
- */
-
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE 1
-#endif
-
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <ctype.h>
-
-#include "volume_id.h"
-#include "logging.h"
-#include "util.h"
-
-struct msdos_partition_entry {
-	uint8_t		boot_ind;
-	uint8_t		head;
-	uint8_t		sector;
-	uint8_t		cyl;
-	uint8_t		sys_ind;
-	uint8_t		end_head;
-	uint8_t		end_sector;
-	uint8_t		end_cyl;
-	uint32_t	start_sect;
-	uint32_t	nr_sects;
-} PACKED;
-
-#define MSDOS_MAGIC			"\x55\xaa"
-#define MSDOS_PARTTABLE_OFFSET		0x1be
-#define MSDOS_SIG_OFF			0x1fe
-#define BSIZE				0x200
-#define DOS_EXTENDED_PARTITION		0x05
-#define LINUX_EXTENDED_PARTITION	0x85
-#define WIN98_EXTENDED_PARTITION	0x0f
-#define LINUX_RAID_PARTITION		0xfd
-#define is_extended(type) \
-	(type == DOS_EXTENDED_PARTITION ||	\
-	 type == WIN98_EXTENDED_PARTITION ||	\
-	 type == LINUX_EXTENDED_PARTITION)
-#define is_raid(type) \
-	(type == LINUX_RAID_PARTITION)
-
-int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off)
-{
-	const uint8_t *buf;
-	int i;
-	uint64_t poff;
-	uint64_t plen;
-	uint64_t extended = 0;
-	uint64_t current;
-	uint64_t next;
-	int limit;
-	int empty = 1;
-	struct msdos_partition_entry *part;
-	struct volume_id_partition *p;
-
-	dbg("probing at offset 0x%llx", (unsigned long long) off);
-
-	buf = volume_id_get_buffer(id, off, 0x200);
-	if (buf == NULL)
-		return -1;
-
-	if (memcmp(&buf[MSDOS_SIG_OFF], MSDOS_MAGIC, 2) != 0)
-		return -1;
-
-	/* check flags on all entries for a valid partition table */
-	part = (struct msdos_partition_entry*) &buf[MSDOS_PARTTABLE_OFFSET];
-	for (i = 0; i < 4; i++) {
-		if (part[i].boot_ind != 0 &&
-		    part[i].boot_ind != 0x80)
-			return -1;
-
-		if (le32_to_cpu(part[i].nr_sects) != 0)
-			empty = 0;
-	}
-	if (empty == 1)
-		return -1;
-
-	if (id->partitions != NULL)
-		free(id->partitions);
-	id->partitions = malloc(VOLUME_ID_PARTITIONS_MAX *
-				sizeof(struct volume_id_partition));
-	if (id->partitions == NULL)
-		return -1;
-	memset(id->partitions, 0x00,
-	       VOLUME_ID_PARTITIONS_MAX * sizeof(struct volume_id_partition));
-
-	for (i = 0; i < 4; i++) {
-		poff = (uint64_t) le32_to_cpu(part[i].start_sect) * BSIZE;
-		plen = (uint64_t) le32_to_cpu(part[i].nr_sects) * BSIZE;
-
-		if (plen == 0)
-			continue;
-
-		p = &id->partitions[i];
-
-		p->partition_type_raw = part[i].sys_ind;
-
-		if (is_extended(part[i].sys_ind)) {
-			dbg("found extended partition at 0x%llx", (unsigned long long) poff);
-			volume_id_set_usage_part(p, VOLUME_ID_PARTITIONTABLE);
-			p->type = "msdos_extended_partition";
-			if (extended == 0)
-				extended = off + poff;
-		} else {
-			dbg("found 0x%x data partition at 0x%llx, len 0x%llx",
-			    part[i].sys_ind, (unsigned long long) poff, (unsigned long long) plen);
-
-			if (is_raid(part[i].sys_ind))
-				volume_id_set_usage_part(p, VOLUME_ID_RAID);
-			else
-				volume_id_set_usage_part(p, VOLUME_ID_UNPROBED);
-		}
-
-		p->off = off + poff;
-		p->len = plen;
-		id->partition_count = i+1;
-	}
-
-	next = extended;
-	current = extended;
-	limit = 50;
-
-	/* follow extended partition chain and add data partitions */
-	while (next != 0) {
-		if (limit-- == 0) {
-			dbg("extended chain limit reached");
-			break;
-		}
-
-		buf = volume_id_get_buffer(id, current, 0x200);
-		if (buf == NULL)
-			break;
-
-		part = (struct msdos_partition_entry*) &buf[MSDOS_PARTTABLE_OFFSET];
-
-		if (memcmp(&buf[MSDOS_SIG_OFF], MSDOS_MAGIC, 2) != 0)
-			break;
-
-		next = 0;
-
-		for (i = 0; i < 4; i++) {
-			poff = (uint64_t) le32_to_cpu(part[i].start_sect) * BSIZE;
-			plen = (uint64_t) le32_to_cpu(part[i].nr_sects) * BSIZE;
-
-			if (plen == 0)
-				continue;
-
-			if (is_extended(part[i].sys_ind)) {
-				dbg("found extended partition at 0x%llx", (unsigned long long) poff);
-				if (next == 0)
-					next = extended + poff;
-			} else {
-				dbg("found 0x%x data partition at 0x%llx, len 0x%llx",
-					part[i].sys_ind, (unsigned long long) poff, (unsigned long long) plen);
-
-				/* we always start at the 5th entry */
-				while (id->partition_count < 4)
-					volume_id_set_usage_part(&id->partitions[id->partition_count++], VOLUME_ID_UNUSED);
-
-				p = &id->partitions[id->partition_count];
-
-				if (is_raid(part[i].sys_ind))
-					volume_id_set_usage_part(p, VOLUME_ID_RAID);
-				else
-					volume_id_set_usage_part(p, VOLUME_ID_UNPROBED);
-
-				p->off = current + poff;
-				p->len = plen;
-				id->partition_count++;
-
-				p->partition_type_raw = part[i].sys_ind;
-
-				if (id->partition_count >= VOLUME_ID_PARTITIONS_MAX) {
-					dbg("too many partitions");
-					next = 0;
-				}
-			}
-		}
-
-		current = next;
-	}
-
-	volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
-	id->type = "msdos_partition_table";
-
-	return 0;
-}
diff --git a/extras/volume_id/libvolume_id/volume_id.h b/extras/volume_id/libvolume_id/volume_id.h
index 15f1ac01..d370bae6 100644
--- a/extras/volume_id/libvolume_id/volume_id.h
+++ b/extras/volume_id/libvolume_id/volume_id.h
@@ -14,7 +14,7 @@
 #include <stdint.h>
 #include <stddef.h>
 
-#define VOLUME_ID_VERSION		59
+#define VOLUME_ID_VERSION		60
 
 #ifndef PACKED
 #define PACKED				__attribute__((packed))
@@ -117,8 +117,4 @@ extern int volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t
 extern int volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size);
 extern int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size);
 
-/* partition tables */
-extern int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off);
-extern int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off);
-
 #endif