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Test case:
unset a
echo "${a:-~root}"
Old result:
/root
New result:
~root
Based on commit 170f44d from git://git.kernel.org/pub/scm/utils/dash/dash.git
by Herbert Xu
function old new delta
evalvar 598 604 +6
parse_command 1440 1443 +3
localcmd 325 327 +2
readtoken1 3199 3200 +1
argstr 1180 1164 -16
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(add/remove: 0/0 grow/shrink: 4/1 up/down: 12/-16) Total: -4 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Previously tilde expansion was not carried out for =?#% expansion words.
Test case:
a=~root:~root
echo ${a#~root}
Old result:
/root:/root
New result:
:/root
Based on commit dd721f71 from git://git.kernel.org/pub/scm/utils/dash/dash.git
by Herbert Xu
function old new delta
subevalvar 1152 1153 +1
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Based on commit c989d72 from git://git.kernel.org/pub/scm/utils/dash/dash.git
by Herbert Xu
function old new delta
strtodest - 40 +40
memtodest 123 147 +24
parse_command 1443 1440 -3
readtoken1 3205 3199 -6
argstr 1203 1180 -23
varvalue 788 660 -128
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(add/remove: 1/0 grow/shrink: 1/4 up/down: 64/-160) Total: -96 bytes
Signed-off-by: Ron Yorston <rmy@pobox.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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fixes segfault introduced in 0a0acb55db8d7c4dec445573f1b0528d126b9e1f with functions using "local -".
test-case: f() { local -; local x; }; f
note: with this change applied multiple 'local -'s still cause multiple entries to be added to the localvars list.
this problem will be addressed in a separate commit.
Signed-off-by: Eugene Rudoy <gene.devel@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Linux recently gained a new config option, CONFIG_MULTIUSER, that makes
support for non-root users optional. This results in a number of syscalls
being disabled: setuid, setregid, setgid, setreuid, setresuid, getresuid,
setresgid, getresgid, setgroups, getgroups, setfsuid, setfsgid, capget,
capset.
Currently a number of busybox applets, including login, struggle to run
when CONFIG_MULTIUSER is disabled. Even the root user is unable to login:
login: can't set groups: Functi
This patch adds code to make change_identity() a nop on single user
systems. It works by recognising the signature errno value (ENOSYS, due
to the system calls being disabled) and, to avoid security risks, only
deploys when the current uid and target uid is the same.
After the patch is applied any attempt to switch to a non-root user will
fail. Thus a badly configured userspace (for example, one that tries to
start a daemon as a non-root user when the kernel cannot support this)
will report errors as one would expect.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Trying to access /dev/i2c/* on every error after opening /dev/i2c-* can
mislead users who e.g. don't have root access. Instead of bailing-out
with "permission denied" we currently print "no such file or directory".
Fix it by trying open("/dev/i2c/%d") only if we got ENOENT.
Upstream i2cdetect tries to get any info it can from /sys and /proc even
when invoked by an unprivileged user, but we don't want to add unnecessary
bloat.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Calling 'i2cdetect -l' only displays usage and exits. Fix it by
correctly parsing command-line arguments.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
get_header_tar 1736 1692 -44
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Matt Whitlock <busybox@mattwhitlock.name>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Matt Whitlock <busybox@mattwhitlock.name>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.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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Currently basic undo functionality with the 'u' key depends on
FEATURE_VI_YANKMARK. These two features are separate, so we can remove this
dependency.
Signed-off-by: Andrew Fuller <abf@google.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
gzip_main 192 282 +90
static.gzip_level_config - 24 +24
packed_usage 30439 30459 +20
fill_window 216 220 +4
pack_gzip 1789 1729 -60
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/1 up/down: 138/-60) Total: 78 bytes
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Matt Whitlock <busybox@mattwhitlock.name>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Matt Whitlock <busybox@mattwhitlock.name>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This also removes their help texts.
function old new delta
run_applet_no_and_exit 442 452 +10
packed_usage 30713 30625 -88
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Fixes compilation against uClibc-0.9.30 for instance
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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The loop_on_EINTR argument to nonblock_immune_read is always set to 1.
function old new delta
xmalloc_reads 200 195 -5
pgetc 488 483 -5
argstr 1313 1308 -5
nonblock_immune_read 123 86 -37
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(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-52) Total: -52 bytes
Signed-off-by: Ron Yorston <rmy@tigress.co.uk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This was seen to happen if two mdevs are run in parallel,
mdev.seq is empty, and the "newer" one manages to write it first.
function old new delta
mdev_main 1366 1388 +22
atoll - 20 +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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function old new delta
add_cmd 1115 1173 +58
process_files 2226 2253 +27
sed_main 696 702 +6
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(add/remove: 0/0 grow/shrink: 3/0 up/down: 91/0) Total: 91 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This applet listens on netlink socket with kernel's uevent messages.
Run-tested.
function old new delta
uevent_main - 416 +416
packed_usage 30671 30713 +42
applet_names 2531 2538 +7
applet_main 1468 1472 +4
RCVBUF - 4 +4
applet_nameofs 734 736 +2
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(add/remove: 3/0 grow/shrink: 4/0 up/down: 475/0) Total: 475 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Regression added in commit 14158b4127dba30466c50147b868a6a89702960b
"find: add optional support for '-exec ... {} +'"
This commit causes find to exit on the first path argument that was not
found, which breaks existing scripts and is incompatible to other
implementations.
Instead of exiting on the first failure, return EXIT_FAILURE at the end
if any error occurred.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Alfonso Ranieri <alforan@tin.it>
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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Copyright years seem to be out of date, e.g. coreutils/truncate.c
has Copyright (C) 2015.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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UTMP is SVID legacy, UTMPX is mandated by POSIX.
Glibc and uClibc have identical layout of UTMP and UTMPX, both of these
libc treat _PATH_UTMPX as _PATH_UTMP so from a user-perspective nothing
changes except the names of the API entrypoints.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Handle an interesting corner case when NTP server is reachable...
but on a different IP now.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Otherwise chroot() doesn't work for non-root
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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Add the actual new source file :(
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Commit "zcip: fix link-local IP conflict detection" has introduced
wrong comparsion of source IP with our IP. This leads to a new IP
being picked unnecessarily on every incoming ARP packet.
Signed-off-by: Vladislav Grishenko <themiron@mail.ru>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
truncate_main - 161 +161
cwbkMG_suffixes - 128 +128
packed_usage 30443 30459 +16
applet_names 2512 2521 +9
applet_main 1456 1460 +4
parse_command 1460 1463 +3
applet_nameofs 728 730 +2
applet_install_loc 182 183 +1
dd_suffixes 112 - -112
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 10/3 up/down: 337/-133) Total: 204 bytes
Signed-off-by: Ari Sundholm <ari@tuxera.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This way it can be used by other applets without duplication.
Signed-off-by: Ari Sundholm <ari@tuxera.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This is basically a combination of the default (dump mode) and -f
(follow mode). Specifying -F makes logread first dump the log buffer and
then immediately start following it.
function old new delta
packed_usage 30412 30443 +31
logread_main 491 497 +6
Signed-off-by: Phil Sutter <phil.sutter@viprinet.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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When 'if -a' runs into an failure on an interface all further
interfaces won't be correctly updated in ifstate. This patch
inserts a new variable that only tracks the current interfaces
failure so that the write to ifstate can rely on this and not
the one for the functions return value.
Fixes https://bugs.busybox.net/show_bug.cgi?id=6212
Signed-off-by: Frank Bergmann <frank.frajasalo@googlemail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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A tilde expansion generates a valid pathname. Splitting it using IFS
either leaves it unchanged or changes it to something unintended.
Example:
IFS=m HOME=/tmp; printf "%s\n" ~
Based on this commit authored by Jilles Tjoelker:
http://git.kernel.org/cgit/utils/dash/dash.git/commit/?id=834629283f6c629a4da05ef60bae9445c954a19a
Signed-off-by: Ron Yorston <rmy@tigress.co.uk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The CPPFLAGS/CFLAGS settings might have features that matter, so make
sure we utilize them when testing the compiler.
URL: https://bugs.gentoo.org/471118
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This way we respect standard tempdir env vars and are guaranteed to
be unique.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unix_do_one 548 540 -8
process_timer_stats 508 500 -8
process_irq_counts 532 524 -8
lpd_main 839 831 -8
hwclock_main 502 494 -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/6 up/down: 0/-50) Total: -40 bytes
Signed-off-by: Ron Yorston <rmy@tigress.co.uk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Example: echo £ | od -c
Signed-off-by: Ron Yorston <rmy@tigress.co.uk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
is_prefixed_with - 18 +18
complete_username 78 77 -1
man_main 737 735 -2
fsck_device 429 427 -2
unpack_ar_archive 80 76 -4
strip_unsafe_prefix 105 101 -4
singlemount 1054 1050 -4
rtc_adjtime_is_utc 90 86 -4
resolve_mount_spec 88 84 -4
parse_one_line 1029 1025 -4
parse_conf 1460 1456 -4
may_wakeup 83 79 -4
loadkmap_main 219 215 -4
get_irqs_from_stat 103 99 -4
get_header_cpio 913 909 -4
findfs_main 79 75 -4
fbsplash_main 1230 1226 -4
load_crontab 776 771 -5
expand_vars_to_list 1151 1146 -5
date_main 881 876 -5
skip_dev_pfx 30 24 -6
make_device 2199 2193 -6
complete_cmd_dir_file 773 767 -6
run_applet_and_exit 715 708 -7
uudecode_main 321 313 -8
pwdx_main 197 189 -8
execute 568 560 -8
i2cdetect_main 1186 1176 -10
procps_scan 1242 1230 -12
procps_read_smaps 1017 1005 -12
process_module 746 734 -12
patch_main 1903 1891 -12
nfsmount 3572 3560 -12
stack_machine 126 112 -14
process_timer_stats 449 435 -14
match_fstype 111 97 -14
do_ipaddr 1344 1330 -14
open_list_and_close 359 343 -16
get_header_tar 1795 1779 -16
prepend_new_eth_table 340 323 -17
fsck_main 1811 1794 -17
find_iface_state 56 38 -18
dnsd_main 1321 1303 -18
base_device 179 158 -21
find_keyword 104 82 -22
handle_incoming_and_exit 2785 2762 -23
parse_and_put_prompt 774 746 -28
modinfo 347 317 -30
find_action 204 171 -33
update_passwd 1470 1436 -34
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/49 up/down: 18/-540) Total: -522 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
update_passwd 1270 1470 +200
deluser_main 310 332 +22
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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