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https://github.com/Telecominfraproject/OpenCellular.git
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9b98929ec1
On very large HDDs, the sector count was wrapping around. Switch most calculations to bytes using uint64_t, and use BLKGETSIZE64 for checking the loopback device size. BUG=chrome-os-partner:12705 TEST=parrot build, manual testing STATUS=Fixed Change-Id: I1f7aea81151ed5cc130b1f6a05fda83f7a85150f Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/31073 Reviewed-by: Elly Jones <ellyjones@chromium.org>
43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Header file for mount helpers.
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*/
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#ifndef _MOUNT_HELPERS_H_
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#define _MOUNT_HELPERS_H_
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/* General utility functions. */
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uint64_t blk_size(const char *device);
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int remove_tree(const char *tree);
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int runcmd(const gchar *argv[], gchar **output);
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int same_vfs(const char *mnt_a, const char *mnt_b);
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char *stringify_hex(uint8_t *binary, size_t length);
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uint8_t *hexify_string(char *string, uint8_t *binary, size_t length);
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void shred(const char *keyfile);
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/* Loopback device attach/detach helpers. */
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gchar *loop_attach(int fd, const char *name);
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int loop_detach(const gchar *loopback);
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int loop_detach_name(const char *name);
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/* Encrypted device mapper setup/teardown. */
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int dm_setup(uint64_t bytes, const gchar *encryption_key, const char *name,
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const gchar *device, const char *path, int discard);
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int dm_teardown(const gchar *device);
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char *dm_get_key(const gchar *device);
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/* Sparse file creation. */
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int sparse_create(const char *path, uint64_t bytes);
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/* Filesystem creation. */
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int filesystem_build(const char *device, uint64_t block_bytes,
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uint64_t blocks_min, uint64_t blocks_max);
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int filesystem_resize(const char *device, uint64_t blocks, uint64_t blocks_max);
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/* Encrypted keyfile handling. */
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char *keyfile_read(const char *keyfile, uint8_t *system_key);
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int keyfile_write(const char *keyfile, uint8_t *system_key, char *plain);
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#endif /* _MOUNT_HELPERS_H_ */
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