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07282103f5
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25 Commits

Author SHA1 Message Date
Xin LI
07282103f5 Correct overflow logic in fullpath(). 
Obtained from:	OpenBSD
MFC after:	3 days
 2019-09-04 04:44:03 +00:00
Xin LI
b9919ec960 Remove redundant check and wrong fix: fat.c checks already take care 
about cluster chains.

Obtained from:	OpenBSD
MFC after:	2 weeks
 2019-08-19 04:28:12 +00:00
Xin LI
bf6ed41692 Avoid out of boundary access when checking invalid long filenames. 
Obtained from:	OpenBSD (dir.c,v 1.25)
MFC after:	3 days
 2019-06-11 22:21:29 +00:00
Xin LI
dad02d7d08 Don't cast result from malloc(). 
MFC after:	2 weeks
 2019-04-15 06:33:05 +00:00
Xin LI
0e6eb62d96 Write string constant differently to improve readability. 
Reported by:	rgrimes
Reviewed by:	rgrimes, emaste
MFC after:	13 days
Differential Revision:	https://reviews.freebsd.org/D19829
 2019-04-06 03:42:15 +00:00
Xin LI
d325f3c243 Fix build. 
MFC after:	2 weeks
X-MFC-With:	r345900
 2019-04-05 02:37:10 +00:00
Xin LI
d78b6f1ee8 Implement checking of .' and ..' entries of subdirectory. 
Reviewed by:		pfg
Obtained from:		Android b6ee08aadb%5E%21/
MFC after:		2 weeks
Differential Revision:	https://reviews.freebsd.org/D19824
 2019-04-05 02:21:16 +00:00
Xin LI
fbf8a5605f Restore lfcl when LOSTDIR's chain was corrupted and overwritten 
with invalid value.

Obtained from:	Android 4d6d6f8a36%5E%21/
MFC after:	2 weeks
 2019-04-04 23:34:03 +00:00
Xin LI
f806eb62a4 Assert that q can't be NULL. 'empty' is always non-NULL when DIREMPTY 
is set earlier.

MFC after:	1 month
 2019-04-03 07:09:28 +00:00
Xin LI
9ace37176e Distinguish between lseek errors and read errores. 
MFC after:	2 weeks
 2019-03-28 18:20:47 +00:00
Xin LI
aa031ef4a3 Prevent OOB access on corrupted msdos directories. 
Submitted by:	Veo Zhang <veo live com>
MFC after:	2 weeks
 2017-11-30 08:28:17 +00:00
Pedro F. Giffuni
1de7b4b805 various: general adoption of SPDX licensing ID tags. 
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

No functional change intended.
 2017-11-27 15:37:16 +00:00
Marcelo Araujo
091ea4a091 Use macro MAX() from sys/param.h. 
MFC after:	2 weeks.
 2016-04-22 03:32:14 +00:00
Pedro F. Giffuni
f3858ada3e fsck_msdosfs: use NULL instead of zero for pointers. 2016-04-19 19:08:37 +00:00
Pedro F. Giffuni
33bed970fa fsck_msdosfs(8): Optimimize memsets 
Obtained from:	NetBSD (bin/50908)
MFC after:	2 weeks
 2016-04-06 15:28:26 +00:00
Pedro F. Giffuni
ea4cbe3197 msdosfs: Assorted fixes from other BSDs. 
When truncating cluster chains fix the length of the cluster head.
http://marc.info/?t=140304310700005&r=1&w=2

Avoid infinite loops in cluster chain linked lists.
http://marc.info/?l=openbsd-tech&m=140275150804337&w=2

Avoid off-by-one on FAT12 filesystems.
http://marc.info/?l=openbsd-tech&m=140234174104724&w=2

Obtained from:	NetBSD (from OpenBSD)
MFC after:	1 week
 2014-07-14 20:58:02 +00:00
Pedro F. Giffuni
2b9fea6ca5 Minor (mostly cosmetic) cleanups 
Several whitespace fixes
convert *rootDir from external to static.

Obtained from:	NetBSD, OpenBSD (partial)
MFC after:	3 days
 2014-07-14 19:16:49 +00:00
Ulrich Spörlein
6cf357bc6c sbin/fsck: s/perror/perr/ to avoid shadowing 
- rename some other vars too
- merge NetBSD license changes

Obtained from:	NetBSD
PR:		bin/139802
Reviewed by:	ed
 2012-10-21 12:01:11 +00:00
Ed Schouten
1efe3c6b58 Add missing static keywords for global variables to tools in sbin/. 
These tools declare global variables without using the static keyword,
even though their use is limited to a single C-file, or without placing
an extern declaration of them in the proper header file.
 2011-11-04 13:36:02 +00:00
Brian Somers
48790afa7b Fix some style(9), although there's a lot more issues here. 
Fix some casting errors.

PR:		142384
Submitted by:	giffunip at tutopia dot com
Obtained from:	NetBSD
MFC after:	3 weeks
 2010-06-20 09:40:54 +00:00
Konstantin Belousov
75fb535394 Rename fields to match better the msdosfs headers. This work is still 
incomplete as some info doesn't really belong to the structs where it is
defined.

Submitted by:	Pedro F. Giffuni <giffunip tutopia com>
Reviewed by:	bde
MFC after:	2 weeks
 2010-02-14 12:31:28 +00:00
Konstantin Belousov
6069db97f6 Bug fixes from NetBSD 
- fix sign-compare issues.
- ANSIfy a couple of functions.
- Remove more duplicate #includes.
- Memory leak found by Coverity on NetBSD.

Submitted by:	Pedro F. Giffuni <giffunip tutopia com>
Reviewed by:	bde
MFC after:	2 weeks
 2010-02-14 12:30:30 +00:00
Konstantin Belousov
a1882ff2a2 License changes from NetBSD. 
Move to 2 clause license, approved by Wolfgang Solfrank.

Submitted by:	Pedro F. Giffuni <giffunip tutopia com>
MFC after:	2 weeks
 2010-02-14 12:28:43 +00:00
Warner Losh
b70cd7ee68 o __P removed 
o ansi function prototypes
o unifdef -D__STDC__
o __dead2 on usage prototype
o remove now-bogus main prototype
 2002-03-20 22:57:10 +00:00
David E. O'Brien
0121b42aca Add fsck_msdosfs. 
Obtained from:	NetBSD
 2001-07-09 10:35:18 +00:00