Denys Vlasenko
77a51a2709
randomconfig fixes
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-29 16:53:11 +01:00
Denys Vlasenko
f4f6e5144b
libbb: exec_login_shell() - new function
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function old new delta
exec_login_shell - 12 +12
sulogin_main 247 240 -7
login_main 960 953 -7
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/2 up/down: 12/-14) Total: -2 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-02 21:51:08 +01:00
Denys Vlasenko
2075aa93e0
libbb: rename run_shell() to exec_shell()
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-02 21:28:47 +01:00
Denys Vlasenko
50ead33c45
login: log to syslog every bad password, not only 3rd
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-02 17:47:16 +01:00
Denys Vlasenko
87bd558f3f
libbb: bb_do_delay(3) -> pause_after_failed_login(), and stop looping there
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function old new delta
pause_after_failed_login - 9 +9
vlock_main 358 353 -5
sulogin_main 252 247 -5
su_main 484 479 -5
passwd_main 936 931 -5
login_main 967 962 -5
bb_do_delay 68 - -68
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/5 up/down: 9/-93) Total: -84 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-11-29 11:32:48 +01:00
Joachim Nilsson
a4747230ab
login: update UTMP before forking
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/bin/login updates the preliminary UTMP record created by /bin/getty for
$LOGNAME. However, if the PID of login is not the same as getty, then
it will create a new entry. This causes GLIBC getlogin(3) to return the
string 'LOGIN' (set by getty) instead of $LOGNAME. This affects tools
like /usr/bin/logname but also various 3rd party PAM applications.
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-11-16 12:09:53 +01:00
James Byrne
6937487be7
libbb: reduce the overhead of single parameter bb_error_msg() calls
...
Back in 2007, commit 0c97c9d437
("'simple' error message functions by
Loic Grenie") introduced bb_simple_perror_msg() to allow for a lower
overhead call to bb_perror_msg() when only a string was being printed
with no parameters. This saves space for some CPU architectures because
it avoids the overhead of a call to a variadic function. However there
has never been a simple version of bb_error_msg(), and since 2007 many
new calls to bb_perror_msg() have been added that only take a single
parameter and so could have been using bb_simple_perror_message().
This changeset introduces 'simple' versions of bb_info_msg(),
bb_error_msg(), bb_error_msg_and_die(), bb_herror_msg() and
bb_herror_msg_and_die(), and replaces all calls that only take a
single parameter, or use something like ("%s", arg), with calls to the
corresponding 'simple' version.
Since it is likely that single parameter calls to the variadic functions
may be accidentally reintroduced in the future a new debugging config
option WARN_SIMPLE_MSG has been introduced. This uses some macro magic
which will cause any such calls to generate a warning, but this is
turned off by default to avoid use of the unpleasant macros in normal
circumstances.
This is a large changeset due to the number of calls that have been
replaced. The only files that contain changes other than simple
substitution of function calls are libbb.h, libbb/herror_msg.c,
libbb/verror_msg.c and libbb/xfuncs_printf.c. In miscutils/devfsd.c,
networking/udhcp/common.h and util-linux/mdev.c additonal macros have
been added for logging so that single parameter and multiple parameter
logging variants exist.
The amount of space saved varies considerably by architecture, and was
found to be as follows (for 'defconfig' using GCC 7.4):
Arm: -92 bytes
MIPS: -52 bytes
PPC: -1836 bytes
x86_64: -938 bytes
Note that for the MIPS architecture only an exception had to be made
disabling the 'simple' calls for 'udhcp' (in networking/udhcp/common.h)
because it made these files larger on MIPS.
Signed-off-by: James Byrne <james.byrne@origamienergy.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-07-02 11:35:03 +02:00
Denys Vlasenko
b052dbea54
login: remove extra IF(), no code changes
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-05-02 17:13:20 +02:00
Denys Vlasenko
db5a6daa7f
login: close PAM session on errors as well, not only on success
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-22 17:04:16 +01:00
Denys Vlasenko
7bcde5f00d
libbb.h: always include sys/resource.h
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-08 17:23:27 +02:00
Denys Vlasenko
b182e9ad60
libbb: use _exit, not exit, in bb_daemonize_or_rexec()
...
By the time we reach exit in parent, child already exited or execed.
We should not re-run libc cleanup code.
While at it, introduce bb_daemon_helper() and add a few comments.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-04 23:04:17 +02:00
Denys Vlasenko
68b653b66b
config: trim/improve item names and help texts, take 2
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-27 10:53:09 +02:00
Denys Vlasenko
72089cf6b4
config: deindent all help texts
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Those two spaces after tab have no effect, and always a nuisance when editing.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-21 09:50:55 +02:00
Denys Vlasenko
4eed2c6c50
Update menuconfig items with approximate applet sizes
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-18 22:01:24 +02:00
Denys Vlasenko
a3de0b3b86
libbb: make check_password() also return CHECKPASS_PW_HAS_EMPTY_PASSWORD
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-04-13 13:04:05 +02:00
Kaarle Ritvanen
517a82c5b6
login: move check_securetty to libbb
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Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-04-13 12:39:03 +02:00
Denys Vlasenko
f560422fa0
Big cleanup in config help and description
...
Redundant help texts (one which only repeats the description)
are deleted.
Descriptions and help texts are trimmed.
Some config options are moved, even across menus.
No config option _names_ are changed.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-10 14:58:54 +01:00
Denys Vlasenko
4ea0ebdd42
Selinux complains about deprecated selinux/flask.h, stop including it
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23 13:52:13 +01:00
Denys Vlasenko
79e2598c48
su: expand help; simplify passing of -c CMD to run_shell()
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Also, added a comment about bug 9401 (TIOCSTI input injection).
function old new delta
packed_usage 30909 30932 +23
su_main 470 487 +17
sulogin_main 260 258 -2
run_applet_and_exit 681 678 -3
run_shell 166 126 -40
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-11-03 22:13:08 +01:00
Denys Vlasenko
47cfbf32fd
*: add most of the required setup_common_bufsiz() calls
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-21 18:18:48 +02:00
Denys Vlasenko
e6a2f4cc5a
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
...
The config item is FEATURE_USE_BSS_TAIL. When it is off (default):
function old new delta
read_config 210 228 +18
doCommands 2279 2294 +15
ipneigh_list_or_flush 763 772 +9
ipaddr_list_or_flush 1256 1261 +5
display_process_list 1301 1306 +5
conspy_main 1378 1383 +5
do_lzo_compress 352 355 +3
do_lzo_decompress 565 567 +2
push 46 44 -2
inetd_main 2136 2134 -2
uevent_main 421 418 -3
addLines 97 92 -5
bb_common_bufsiz1 8193 1024 -7169
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 8/5 up/down: 62/-7181) Total: -7119 bytes
text data bss dec hex filename
829850 4086 9080 843016 cdd08 busybox_old
829901 4086 1904 835891 cc133 busybox_unstripped
FEATURE_USE_BSS_TAIL=y:
read_config 210 228 +18
doCommands 2279 2294 +15
ipneigh_list_or_flush 763 772 +9
ipaddr_list_or_flush 1256 1261 +5
display_process_list 1301 1306 +5
conspy_main 1378 1383 +5
do_lzo_compress 352 355 +3
do_lzo_decompress 565 567 +2
inetd_main 2136 2134 -2
bb_common_bufsiz1 8193 - -8193
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 8/1 up/down: 62/-8195) Total: -8133 bytes
text data bss dec hex filename
829850 4086 9080 843016 cdd08 busybox_old
829911 4086 880 834877 cbd3d busybox_unstripped
FIXME: setup_common_bufsiz() calls are missing.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-21 17:39:11 +02:00
Denys Vlasenko
bae8f98633
login: add commented-out PAM double password avoidance from BZ 4003
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-01-03 22:43:40 +01:00
Denys Vlasenko
c47917865d
login: explain -h HOST option better
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-21 16:06:40 +02:00
Denys Vlasenko
95dee81a46
loginutils/*: convert to new-style "one file" applets
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-19 01:20:36 +02:00
Sören Tempel
d862717328
login: don't print motd if .hushlogin exists in users home
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function old new delta
login_main 978 996 +18
Signed-off-by: Sören Tempel <soeren@soeren-tempel.net>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-08-24 22:16:48 +02:00
Denys Vlasenko
da9212667c
libbb: code shrink by factoring out common update_utmp_DEAD_PROCESS
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function old new delta
update_utmp_DEAD_PROCESS - 17 +17
telnetd_main 1685 1674 -11
mark_terminated 56 45 -11
handle_sigchld 74 63 -11
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-01-05 15:37:58 +01:00
Denys Vlasenko
9c1c605b1a
sulogin: use common password-checking routine.
...
This needed some extensions correct_passwd() function,
which got renamed ask_and_check_password() to better describe what it does.
function old new delta
ask_and_check_password_extended - 215 +215
ask_and_check_password - 12 +12
vlock_main 394 397 +3
sulogin_main 494 326 -168
correct_password 207 - -207
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 1/1 up/down: 230/-375) Total: -145 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-19 13:09:06 +01:00
Denys Vlasenko
dba7094d62
login: increase login name size limit from 32 to 64
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2012-08-15 17:06:37 +02:00
Sergey Naumov
7eaa03709b
login: -f should not ask for password even with PAM
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Signed-off-by: Sergey Naumov <sknaumov@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2012-01-30 12:52:56 +01:00
Denys Vlasenko
e9dc354df8
getty: fix a minor problem of Ctrl-D not printing '\n'
...
Also removed defines for control chars which are never changed,
and added login/getty README.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-10-23 23:58:59 +02:00
Denys Vlasenko
7449e18190
getty,login: tighten up handling of ctty, pgrp, and tty attr restoring on timeout
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-10-22 06:27:41 +02:00
Ian Wienand
378ab68199
login: new option LOGIN_SESSION_AS_CHILD
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Signed-off-by: Ian Wienand <ianw@vmware.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-09-14 08:41:38 +02:00
Denys Vlasenko
66426760be
*: remove "Options:" string from help texts
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function old new delta
packed_usage 28706 28623 -83
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-06-05 03:58:28 +02:00
Pere Orga
6a3e01d5a9
move help text from include/usage.src.h to debianutils/*.c e2fsprogs/*.c editors/*.c loginutils/*.c mailutils/*.c
...
Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-04-03 01:33:55 +02:00
Ryan Phillips
cf9074b54b
login: set PAM RHOST
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Signed-off-by: Ryan Phillips <ryan@trolocsis.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-03-22 18:27:21 +01:00
Denys Vlasenko
7d4e7a27af
s/FAIL_DELAY/LOGIN_FAIL_DELAY/
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-03-08 21:07:05 +01:00
Denys Vlasenko
bd74e3d8be
libbb/login/su: do not sanitize shell name twice
...
function old new delta
setup_environment 191 205 +14
login_main 1002 987 -15
su_main 474 458 -16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 14/-31) Total: -17 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-03-06 18:49:40 +01:00
Denys Vlasenko
8d0e0cdadf
move utmp.h include to libbb.h
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-01-25 23:21:46 +01:00
Ian Wienand
260fb551ff
login: apply PAM environment
...
login should apply the PAM environment modified by plugins
such as pam_env. Other 'login's do a similar thing.
I tested this by setting some env variables with pam_env which were
correctly applied.
Signed-off-by: Ian Wienand <ianw@vmware.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-12-27 02:13:06 +01:00
Denys Vlasenko
e4dcba1c10
*: whitespace fixes
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-28 18:57:19 +02:00
Alexander Shishkin
78b286fea5
login: free fromhost upon cleaning up
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Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-28 05:49:55 +02:00
Denys Vlasenko
0ef64bdb40
*: make GNU licensing statement forms more regular
...
This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-16 20:14:46 +02:00
Jeremie Koenig
f812eace18
init,loginutils: termios portability fixes
...
Signed-off-by: Jeremie Koenig <jk@jk.fr.eu.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-19 00:45:42 +02:00
Ladislav Michl
a73b87e934
*: s/"/bin/sh"/DEFAULT_SHELL, run_shell() API fix, remove unneeded strdup
...
function old new delta
run_shell 157 166 +9
su_main 477 470 -7
sulogin_main 515 503 -12
Signed-off-by: Ladislav Michl <Ladislav.Michl@seznam.cz>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-06-27 03:23:31 +02:00
Denys Vlasenko
f8d8aa1cea
libbb: add skip_dev_pfx()
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-04-06 18:50:05 +02:00
Denys Vlasenko
3a41611bc5
telnetd: write LOGIN/DEAD_PROCESS utmp records. Closes bug 1363
...
function old new delta
write_new_utmp - 253 +253
skip_dev_pfx - 30 +30
handle_sigchld 42 72 +30
telnetd_main 1650 1673 +23
make_new_session 415 438 +23
...
login_main 1140 1148 +8
update_utmp 337 313 -24
write_wtmp 220 154 -66
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 11/6 up/down: 406/-115) Total: ~291 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-04-05 22:10:38 +02:00
Denys Vlasenko
37f5bef63c
libbb: split update_utmp from login/getty in preparation to use it for telnetd
...
function old new delta
update_utent - 339 +339
login_main 1498 1128 -370
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/1 up/down: 339/-370) Total: -31 bytes
function old new delta
update_utmp 246 337 +91
login_main 1128 1140 +12
getty_main 1908 1918 +10
...
update_utent 339 - -339
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 5/6 up/down: 119/-368) Total: -249 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-04-05 03:18:40 +02:00
Denys Vlasenko
4c721049c3
who: fix attempts to open '/dev/dev/ttyX'; make columns a bit wider, add -H
...
function old new delta
who_main 292 363 +71
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-04-04 23:45:09 +02:00
Denys Vlasenko
fd686a262f
setup_environment(): eliminate one parameter
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-02-26 09:52:45 +01:00
Bernhard Reutner-Fischer
99709ab033
crontab: use setup_environment
...
function old new delta
setup_environment 184 198 +14
.rodata 131770 131747 -23
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 14/-23) Total: -9 bytes
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-02-26 09:31:40 +01:00