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Diffstat (limited to 'util-linux/volume_id/volume_id_internal.h')
-rw-r--r--util-linux/volume_id/volume_id_internal.h220
1 files changed, 220 insertions, 0 deletions
diff --git a/util-linux/volume_id/volume_id_internal.h b/util-linux/volume_id/volume_id_internal.h
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+++ b/util-linux/volume_id/volume_id_internal.h
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+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2005 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 "libbb.h"
+#include "volume_id.h"
+
+
+#define dbg(...) ((void)0)
+
+
+/* volume_id.h */
+
+#define VOLUME_ID_VERSION 48
+
+#define VOLUME_ID_LABEL_SIZE 64
+#define VOLUME_ID_UUID_SIZE 36
+#define VOLUME_ID_FORMAT_SIZE 32
+#define VOLUME_ID_PARTITIONS_MAX 256
+
+enum volume_id_usage {
+ VOLUME_ID_UNUSED,
+ VOLUME_ID_UNPROBED,
+ VOLUME_ID_OTHER,
+ VOLUME_ID_FILESYSTEM,
+ VOLUME_ID_PARTITIONTABLE,
+ VOLUME_ID_RAID,
+ VOLUME_ID_DISKLABEL,
+ VOLUME_ID_CRYPTO,
+};
+
+struct volume_id_partition {
+ enum volume_id_usage usage_id;
+ const char *usage;
+ const char *type;
+ uint64_t off;
+ uint64_t len;
+ uint8_t partition_type_raw;
+};
+
+struct volume_id {
+ uint8_t label_raw[VOLUME_ID_LABEL_SIZE];
+ size_t label_raw_len;
+ char label[VOLUME_ID_LABEL_SIZE+1];
+ uint8_t uuid_raw[VOLUME_ID_UUID_SIZE];
+ size_t uuid_raw_len;
+ char uuid[VOLUME_ID_UUID_SIZE+1];
+ enum volume_id_usage usage_id;
+ const char *usage;
+ const char *type;
+ char type_version[VOLUME_ID_FORMAT_SIZE];
+
+ struct volume_id_partition *partitions;
+ size_t partition_count;
+
+ int fd;
+ uint8_t *sbbuf;
+ uint8_t *seekbuf;
+ size_t sbbuf_len;
+ uint64_t seekbuf_off;
+ size_t seekbuf_len;
+// int fd_close:1;
+};
+
+struct volume_id *volume_id_open_node(const char *path);
+int volume_id_probe_all(struct volume_id *id, uint64_t off, uint64_t size);
+void free_volume_id(struct volume_id *id);
+
+/* util.h */
+
+/* size of superblock buffer, reiserfs block is at 64k */
+#define SB_BUFFER_SIZE 0x11000
+/* size of seek buffer, FAT cluster is 32k max */
+#define SEEK_BUFFER_SIZE 0x10000
+
+#define bswap16(x) (uint16_t) ( \
+ (((uint16_t)(x) & 0x00ffu) << 8) | \
+ (((uint16_t)(x) & 0xff00u) >> 8))
+
+#define bswap32(x) (uint32_t) ( \
+ (((uint32_t)(x) & 0xff000000u) >> 24) | \
+ (((uint32_t)(x) & 0x00ff0000u) >> 8) | \
+ (((uint32_t)(x) & 0x0000ff00u) << 8) | \
+ (((uint32_t)(x) & 0x000000ffu) << 24))
+
+#define bswap64(x) (uint64_t) ( \
+ (((uint64_t)(x) & 0xff00000000000000ull) >> 56) | \
+ (((uint64_t)(x) & 0x00ff000000000000ull) >> 40) | \
+ (((uint64_t)(x) & 0x0000ff0000000000ull) >> 24) | \
+ (((uint64_t)(x) & 0x000000ff00000000ull) >> 8) | \
+ (((uint64_t)(x) & 0x00000000ff000000ull) << 8) | \
+ (((uint64_t)(x) & 0x0000000000ff0000ull) << 24) | \
+ (((uint64_t)(x) & 0x000000000000ff00ull) << 40) | \
+ (((uint64_t)(x) & 0x00000000000000ffull) << 56))
+
+#if BB_LITTLE_ENDIAN
+#define le16_to_cpu(x) (x)
+#define le32_to_cpu(x) (x)
+#define le64_to_cpu(x) (x)
+#define be16_to_cpu(x) bswap16(x)
+#define be32_to_cpu(x) bswap32(x)
+#define cpu_to_le16(x) (x)
+#define cpu_to_le32(x) (x)
+#define cpu_to_be32(x) bswap32(x)
+#else
+#define le16_to_cpu(x) bswap16(x)
+#define le32_to_cpu(x) bswap32(x)
+#define le64_to_cpu(x) bswap64(x)
+#define be16_to_cpu(x) (x)
+#define be32_to_cpu(x) (x)
+#define cpu_to_le16(x) bswap16(x)
+#define cpu_to_le32(x) bswap32(x)
+#define cpu_to_be32(x) (x)
+#endif
+
+enum uuid_format {
+ UUID_DCE_STRING,
+ UUID_DCE,
+ UUID_DOS,
+ UUID_NTFS,
+ UUID_HFS,
+};
+
+enum endian {
+ LE = 0,
+ BE = 1
+};
+
+void volume_id_set_unicode16(char *str, size_t len, const uint8_t *buf, enum endian endianess, size_t count);
+void volume_id_set_usage(struct volume_id *id, enum volume_id_usage usage_id);
+void volume_id_set_usage_part(struct volume_id_partition *part, enum volume_id_usage usage_id);
+void volume_id_set_label_raw(struct volume_id *id, const uint8_t *buf, size_t count);
+void volume_id_set_label_string(struct volume_id *id, const uint8_t *buf, size_t count);
+void volume_id_set_label_unicode16(struct volume_id *id, const uint8_t *buf, enum endian endianess, size_t count);
+void volume_id_set_uuid(struct volume_id *id, const uint8_t *buf, enum uuid_format format);
+void *volume_id_get_buffer(struct volume_id *id, uint64_t off, size_t len);
+void volume_id_free_buffer(struct volume_id *id);
+
+
+/* Probe routines */
+
+/* RAID */
+
+int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off);
+int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size);
+
+int volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size);
+
+int volume_id_probe_linux_raid(struct volume_id *id, uint64_t off, uint64_t size);
+
+int volume_id_probe_lsi_mega_raid(struct volume_id *id, uint64_t off, uint64_t size);
+
+int volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size);
+
+int volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t off, uint64_t size);
+
+int volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size);
+
+int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size);
+
+int volume_id_probe_lvm1(struct volume_id *id, uint64_t off);
+int volume_id_probe_lvm2(struct volume_id *id, uint64_t off);
+
+/* FS */
+
+int volume_id_probe_cramfs(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_ext(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_vfat(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_hfs_hfsplus(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_hpfs(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_iso9660(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_jfs(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_linux_swap(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_luks(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_minix(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_ntfs(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_ocfs2(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_reiserfs(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_romfs(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_sysv(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_udf(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_ufs(struct volume_id *id, uint64_t off);
+
+int volume_id_probe_xfs(struct volume_id *id, uint64_t off);