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path: root/ubifs-utils/mkfs.ubifs/mkfs.ubifs.c
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2020-09-11Fix typos found by Debian's lintian toolBastian Germann
Signed-off-by: Bastian Germann <bastiangermann@fishpost.de> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-02-09mkfs.ubifs: fix broken build if fscrtyp is disabledDavid Oberhollenzer
First, there is no option named of X509_OPTION. It was presumably changed during development to AUTH_CERT_OPTION. This commit fixes the name in the !WITH_CRYPTO branch. Similarly, '}' got moved into the WITH_CRYPTO branch, but not into else branch, resulting in tons of errors if fscrypt is disabled. This commit pulls it back out of both branches. Fixes: a739b59e ("mkfs.ubifs: Add authentication support") Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-10mkfs.ubifs: don't leak hastable iteratorsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-10mkfs.ubifs: free derived fscrypt context in add_directory error pathsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-10mkfs.ubifs: don't leak copied command line argumentsDavid Oberhollenzer
For some command line flags, the argument string is copied. Simply writing over the buffer leads to a resource leak if the same flag is specified on the command line more than once. This patch adds a free() call to the old buffer before overwriting it with the new copy. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-10mkfs.ubifs: close file descriptor in add_file error pathDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-10mkfs.ubifs: abort add_directory if readdir failsDavid Oberhollenzer
The existing code sets 'err' to -1 and breaks the readdir loop, but the error state is never read. This patch modifies the readdir loop to actualy jump to the error handling branch if readdir fails. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19mkfs.ubifs: Add authentication supportSascha Hauer
This adds support for authenticated UBIFS images. In authenticated images all UBIFS nodes are hashed as described in the UBIFS authentication whitepaper. Additionally the superblock node contains a hash of the master node and itself is cryptographically signed in a node following the superblock node. The signature is in PKCS #7 CMS format. To generate an authenticated image these options are necessary: --hash-algo=NAME hash algorithm to use for signed images (Valid options include sha1, sha256, sha512) --auth-key=FILE filename or PKCS #11 uri containing the authentication key for signing --auth-cert=FILE Authentication certificate filename for signing. Unused when certificate is provided via PKCS #11 Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-18mkfs.ubifs: fix description of favor_lzoUwe Kleine-König
"favor_lzo" uses "lzo" unless the space savings when using "zlib" are big. The current wording got this wrong. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-01mkfs.ubifs: Add ZSTD compressionSebastian Andrzej Siewior
I added ZSTD support to mkfs.ubifs and compared the ZSTD results with zlib/lzo and the available ZSTD compression levels. The results are in the following table: Comp image MiB time image2 MiB time none 271 0m 0,723s 223 0m 0,589s lzo 164 0m13,705s 116 0m11,636s zlib 150 0m 7,654s 103 0m 6,347s favor-lzo 158 0m21,137s 110 0m17,764s zstd-01 154 0m 1,607s 106 0m 1,429s zstd-02 153 0m 1,704s 105 0m 1,479s zstd-03* 152 0m 1,888s 104 0m 1,668s zstd-04 151 0m 2,741s 103 0m 2,391s zstd-05 150 0m 3,257s 102 0m 2,916s zstd-06 150 0m 3,735s 102 0m 3,356s zstd-07 150 0m 4,066s 102 0m 3,705s zstd-08 152 0m 1,857s 104 0m 1,644s zstd-09 152 0m 1,855s 104 0m 1,639s zstd-10 150 0m 6,654s 102 0m 6,195s zstd-11 150 0m10,027s 102 0m 9,130s zstd-12 149 0m14,724s 101 0m13,415s zstd-13 148 0m18,232s 100 0m16,719s zstd-14 148 0m20,859s 100 0m19,554s zstd-15 148 0m25,033s 100 0m23,186s zstd-16 148 0m38,837s 100 0m36,543s zstd-17 148 0m46,051s 100 0m43,120s zstd-18 148 0m49,157s 100 0m45,807s zstd-19 148 0m49,421s 100 0m45,951s zstd-20 148 0m51,271s 100 0m48,030s zstd-21 148 0m51,015s 100 0m48,676s zstd-22 148 0m52,575s 100 0m50,013s The UBIFS image was created via mkfs.ubifs -x $Comp -m 512 -e 128KiB -c 2200 -r $image $out I used "debootstrap sid" to create a basic RFS and the results are in the `image' column. The image2 column denotes the results for the same image but with .deb files removed. The time column contains the output of the run time of the command. ZSTD's compression level three is currently default. Based on the compression results (for the default level) it outperforms LZO in run time and compression and is almost as good as ZLIB in terms of compression but quicker. The higher compression levels make almost no difference in compression but take a lot of time. The compression level used is the default offered by ZSTD. It does not make sense the higher levels. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-04-03mkfs.ubifs: fix regression when trying to store device special filesDavid Oberhollenzer
Commit a767dd30 added a check to add_inode that bails when trying to store extra data in anything other than a symlink. The symlink encryption support added by that commit relies on the assumption. Unfortionately it was overlooked that device special files also store the device number as additional data in the inode. The check added in commit a767dd30 broke support for device files in mkfs.ubifs. This commit adds a quick and dirty fix, moving the check into the fscrypt branch, breaking only the fscrypt version but restoring old functionality for unencrypted file systems. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-02-11mtd-utils: fixes double free in mkfs.ubifsYufen Yu
In inode_add_xattr(), it malloc a buffer for name, and then passes the bufffer ptr to add_xattr(). The ptr will be used to create a new idx_entry in add_to_index(). However, inode_add_xattr() will free the buffer before return. which can cause double free in write_index(): free(idx_ptr[i]->name) *** Error in `./mkfs.ubifs': double free or corruption (fasttop): 0x0000000000aae220 *** ======= Backtrace: ========= /lib64/libc.so.6(+0x7cbac)[0x7f4881ff5bac] /lib64/libc.so.6(+0x87a59)[0x7f4882000a59] /lib64/libc.so.6(cfree+0x16e)[0x7f48820063be] ./mkfs.ubifs[0x402fbf] /lib64/libc.so.6(__libc_start_main+0xea)[0x7f4881f9988a] ./mkfs.ubifs[0x40356a] Signed-off-by: Yufen Yu <yuyufen@huawei.com> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-12-17mkfs.ubifs: fix default cipher in help outputDavid Gstir
AES-256-XTS is the default since dd0d9c623e22 ("mkfs.ubifs: Use AES-256-XTS as default"), we want that to be correctly reflected in the help output as well. Signed-off-by: David Gstir <david@sigma-star.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-09mkfs.ubifs: Don't compress by default if filesystem is encryptedRichard Weinberger
Encryption and compression are not friends. Enable compression in encryption mode only if the user explicitly sets a compressor. Signed-off-by: Richard Weinberger <richard@nod.at> Tested-by: Heiko Schocher <hsdenx.de> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Use AES-256-XTS as defaultRichard Weinberger
AES-128-CBC should only being used when 256-XTS is too slow on low end hardware. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Print key descriptor only when generatedRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Enable support for building without cryptoRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Move RAND_poll to crypto.cRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Compute encryption key descriptor automaticallyRichard Weinberger
...if none is given. To be compatible with fscryptctl. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Cleanup over-long linesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-11-01mkfs.ubifs: Move fscrypt definitions and functions out of mkfs.ubifs.cDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-11-01mkfs.ubifs: Initial support for encryption command linesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-11-01mkfs.ubifs: Specify padding policy via command lineDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-11-01mkfs.ubifs: Get key descriptor from command line and master key from fileDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-11-01mkfs.ubifs: Make encryption dependend on (not-yet-existant) command line optionsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-11-01mkfs.ubifs: Replace constant values with parameters in init_fscrypt_contextDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-11-01mkfs.ubifs: Cleanup add_dent_node, user path encryption helperDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-11-01mkfs.ubifs: Seperate path encryption from symlink encryption helperDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-11-01mkfs.ubifs: Free all index entry namesRichard Weinberger
...and make valgrind memcheck happy Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Make sure we catch nodes that should or should not have nameRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Move symlink data encryption to helper functionDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-11-01mkfs.ubifs: Implement file contents encryptionRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Add encrypted symlink supportRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Pass source/dest key len to key derive functionRichard Weinberger
fscrypto is using the max key lenth (64), so we cannot use the AES-128-ECB len. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Add dummy setup for cryptoRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Implement filename encryptionRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Store directory name len in the temporary indexRichard Weinberger
since names are no longer strings, we need to know the length. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Implement fscrypto context store as xattrRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Implement basic fscrypto context passingRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Implement UBIFS_FLG_ENCRYPTIONRichard Weinberger
...and set UBIFS format version Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Add basic fscrypto functionsRichard Weinberger
...maybe we should add them to crypto.c? Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Add fscrypto definesRichard Weinberger
most of them should be UAPI, therefore check using #ifndef Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Implement UBIFS_FLG_DOUBLE_HASHDavid Oberhollenzer
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-11-01mkfs.ubifs: Add crypto helper functionsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-10-02mkfs.ubifs: Fix xattr nlink valueSascha Hauer
The nlink value of a xattr node must always be one, it has nothing to do with the nlink value of the inode the attribute belongs to. The bug can be observed when mounting a mkfs.ubifs generated image which contains xattrs on directories or files with hardlinks to them. When mounting such an image with chk_fs = 1 it fails with: UBIFS error (ubi0:0 pid 1833): dbg_check_filesystem: inode 3308 nlink is 3, but calculated nlink is 1 Another bug that can be triggered is an assertion in ubifs_xattr_remove() which assures that the xattr i_nlink count should be one when the xattr is removed. Fixes: 50044ef ("mkfs.ubifs: Add extended attribute support") Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-10-02mtd-utils: Instead of doing preprocessor magic, just output off_t as long longThorsten Glaser
Fix warnings abot PRIdoff_t in libmtd.c, in mtd_read (and mtd_write): In file included from ../git/lib/libmtd.c:40:0: ../git/lib/libmtd.c: In function 'mtd_read': ../git/include/common.h:110:18: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'off_t {aka long long int}' [-Wformat=] ../git/include/common.h:120:2: note: in expansion of macro 'errmsg' errmsg(fmt, ##__VA_ARGS__); \ ^~~~~~ ../git/lib/libmtd.c:1082:10: note: in expansion of macro 'sys_errmsg' return sys_errmsg("cannot seek mtd%d to offset %"PRIdoff_t, ^~~~~~~~~~ /usr/lib/klibc/include/inttypes.h:28:17: note: format string is defined here #define PRId32 "d" Signed-off-by: Thorsten Glaser <tg@mirbsd.org> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-06-14mkfs.ubifs: Implement selinux labelling support in mkfs.ubifs.Ritesh Harjani
This implements/adds selinux labelling support to mkfs.ubifs utility. It adds an extra option in configure to enable selinux labelling support and then finally in mkfs.ubifs adds an extra option to pass the file_contexts which is looked up for filesystem file labels. - Default behavior is kept without selinux so as to not break existing support where selinux library/headers may not be present. - If this is configured with --with-selinux then XATTR from the file_contexts(passed with --selinux option while mkfs.ubifs) will be taken and not from the host file's xattr. This is done to avoid the problem where the host OS may have selinux enabled and hence same xattr names will be present in both host filesystem files and from the --selinux=file passed. So the existing behavior is kept mutually exclusive and preference is given to selinux xattrs (if configured with --with-selinux). Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-06-14mkfs.ubifs: add_xattr is not depending on host XATTR supportRitesh Harjani
add_xattr adds the xattr to the ubifs image and has nothing to do with host XATTR support. Now that we are adding support where selinux interfaces may use this API even when host OS(where ubi/ubifs image is being created) does not support XATTR -so remove it from WITHOUT_XATTR #ifdef. Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-04-05mtd-utils: ubifs: fix typo in without_lzo definitionKoen Vandeputte
Fixes: 1d04b4d5361a ("fix build when WITHOUT_LZO is set") Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2018-03-07mkfs.ubifs: Allow root entry in device tableDavid Engraf
When using a local root folder the permissions, user and group settings are taken from the local folder. These permissions might be incorrect if the folder has been created for the local user. Creating an UBIFS image on my local system resulted in the following output on the target: drwx------ 17 1000 1000 1264 Jan 1 00:00 . drwx------ 17 1000 1000 1264 Jan 1 00:00 .. drwxr-xr-x 2 root root 9104 May 30 2017 bin drwxr-xr-x 7 root root 2760 Jan 1 00:00 dev ... mkfs.ubifs aborts with an error message when the device table contains a root entry. This patch allows setting the root folder permissions, user and group to overwrite local configurations. Signed-off-by: David Engraf <david.engraf@sysgo.com> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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