| Commit message (Collapse) | Author | Age | Files | Lines |
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On Microsoft Windows a user's home directory doesn't belong to
them: it actually belongs to the 'system' user. stat(2) was
only using ownership to determine write permissions, so it seemed
that the user was unable to write to their own home directory.
Use a call to AccessCheck() to determine if files can be accessed
due to an entry in their ACL. User home directories and a few other
files (e.g. C:/Users/Public) now have the correct write permission.
This feature is enabled by FEATURE_EXTRA_FILE_DATA.
Costs 220-256 bytes.
(GitHub issue #280)
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Commit 15fcbd19c8 (win32: special case for devices files in stat(2))
caused write permissions on directories to respect the read-only
attribute. This is incorrect: the read-only attribute doesn't
apply to directories in the same way as to normal files.
Give directories write permission unconditionally, as before, though
respecting umask.
(GitHub issue #280)
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busybox-w32 provides two PRNG implementations which are used in
the emulation of /dev/urandom. The ad hoc method of seeding them
has been replaced by calls to RtlGenRandom.
The documentation for RtlGenRandom indicates it has been deprecated
in favour of CryptGenRandom. The documentation for the latter
indicates it has been deprecated in favour of the 'Cryptography Next
Generation APIs'. Nonetheless, RtlGenRandom remains available in
every version of Windows since XP.
In the unlikely event that RtlGenRandom fails simply use the current
time as the seed.
Saves 192 bytes in the default configuration.
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POSIX requires that the awk srand() function uses the time of day
to seed the PRNG. The obvious implementation used in BusyBox does
exactly that, passing time(NULL) to srand(3).
When processes are started within a few seconds of one another their
seeds are very similar. Given the realtively poor quality of rand(3)
in some C runtimes this results in random number sequences that are
somewhat correlated.
Improve matters by using an integer hash on the seed, as recommended
here:
https://nullprogram.com/blog/2019/04/30/#the-wrong-places
Costs 48 bytes.
(GitHub issue #279)
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When srand(3) is called to seed the random number generator with
the current time the first value returned by rand(3) changes slowly
with time. This is a property of the implementation in the C runtime.
Change the order in which values from rand(3) are consumed to generate
the value returned by the awk rand() function. This puts the value
returned by the first call to rand(3) in the least significant bits,
not the most significant.
(GitHub issue #279)
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Upstream added the -o option to reopen stdin as /dev/tty. Since
/dev/tty isn't available in Microsoft Windows -o isn't applicable.
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
run_list 1032 1012 -20
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
.rodata 105225 105259 +34
d6_listen_socket 150 180 +30
packed_usage 34512 34532 +20
d6_read_interface 595 581 -14
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/1 up/down: 84/-14) Total: 70 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Accept and ignore -e which is specified in POSIX.
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/more.html
Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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RFCs for DHCPv6 are written rather badly...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
del_loop 52 49 -3
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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It is only used by mount's error path, though...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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LOOP_CONFIGURE is added to Linux 5.8
function old new delta
NO_LOOP_CONFIGURE (old code):
set_loop 784 782 -2
LOOP_CONFIGURE:
set_loop 784 653 -131
TRY_LOOP_CONFIGURE:
set_loop 784 811 +27
Based on a patch by Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Extract subfunction set_loop_info() from set_loop()
function old new delta
set_loop 760 784 +24
Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
set_loop 790 760 -30
Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Extract subfunction get_next_free_loop() from set_loop()
Also fix miss free(try) when stat(try) and mknod fail
function old new delta
set_loop 807 790 -17
Fixes: 3448914e8cc5 ("mount,losetup: use /dev/loop-control is it exists")
Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Brandon Maier <brandon.maier@collins.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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When calling unzip -l the date and time output was missing big-endian
conversions.
Signed-off-by: Peter Kaestle <peter.kaestle@nokia.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Various tools are Linuxish and should thus only attempted to build on
Linux only. Some features are also Linux-only.
Also, libresolv is used on all GNU platforms, notably GNU/Hurd and
GNU/kfreeBSD.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Only in case the FEATURE_FBSET_FANCY configuration is enabled.
function old new delta
fbset_main 733 766 +33
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Not all options are actually implemented. In this case, return a message
and an error code to make it clear that the requested command has not
been executed.
function old new delta
.rodata 105200 105224 +24
fbset_main 747 733 -14
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 24/-14) Total: 10 bytes
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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When /dev/loop-control exists and *device is empty,
the mount may fail if a concurrent mount is running.
function old new delta
set_loop 809 807 -2
Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This mimics the behaviour of pkill -e / --echo from procps.
function old new delta
.rodata 105179 105200 +21
packed_usage 34523 34516 -7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 21/-7) Total: 14 bytes
Signed-off-by: Louis Sautier <sautier.louis@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Microsoft Windows' setvbuf() doesn't support line buffering and
doesn't accept 0 as a valid value for the buffer size argument.
Replace the old macro definition with an implementation that
doesn't do anything. It's only used if debug is enabled in ash
so there's no effect on the default build.
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Use _getc_nolock() in bb_get_chunk_from_file() and perform code
page translation on the resulting string. This speeds up grep by
another factor of two.
(GitHub issue #278)
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The grep applet was found to be rather slow. A major reason for
this is the implementation of getc(3). Using _getc_nolock() and
inlining is_console_in() speeds things up by a factor of three.
(GitHub issue #278)
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The d_type member of struct dirent is required by the implementation
of glob(3). As a result it isn't possible to build the make applet
unless FEATURE_EXTRA_FILE_DATA is configured.
Allow d_type unconditionally.
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The WIN32 implementation of stat(2) reads the contents of some files
to see if they're executable. This may update the file access time.
Avoid this by a special call to SetFileTime() after opening the file.
For details see:
https://devblogs.microsoft.com/oldnewthing/20111010-00/?p=9433
https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-setfiletime
File access times aren't updated by default in recent versions of
Windows. This commit is only necessary if updating of file access
times is explicitly enabled:
fsutil behavior set DisableLastAccess 0
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Unset MAKEFLAGS in the test script so it works if it's run using
a version of make that has options which pdpmake doesn't understand.
Return $FAILCOUNT as the exit status so the number of failures can
be reported.
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