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73 Commits

Author SHA1 Message Date
Denys Vlasenko
9731ca7611 password utils: improve --help, make DEFAULT_PASSWD_ALGO visible if CHPASSWD 
Was:
    $ cryptpw --help
    ...
    Print crypt(3) hashed PASSWORD

        -P,--password-fd=N	Read password from fd N
        -m,--method=TYPE	Encryption method
        -S,--salt=SALT

User: "What methods exist? which one os default?"

Now:
    Print crypt(3) hashed PASSWORD

        -P,--password-fd N	Read password from fd N
        -m,--method TYPE	des,md5,sha256/512 (default des)
        -S,--salt SALT

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-01-20 19:47:49 +01:00
Denys Vlasenko
066e76befe Replace a few more bb_info_msg's by bb_error_msg or printf 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-03-30 16:20:28 +02:00
Denys Vlasenko
95dee81a46 loginutils/*: convert to new-style "one file" applets 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-19 01:20:36 +02:00
Denys Vlasenko
8b59b2c13e libbb: move nuke_str() from passwd into libbb 
function                                             old     new   delta
nuke_str                                               -      15     +15
ask_and_check_password_extended                      215     206      -9
init_main                                            781     771     -10
nuke_str                                              27       -     -27
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/2 up/down: 15/-46)            Total: -31 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-11-19 13:36:45 +01:00
Mike Frysinger
c5fe9f7b72 include sys/resource.h where needed 
We use functions from sys/resource.h in misc applets, but don't include
the header.  This breaks building with newer glibc versions, so add the
include where needed.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2012-07-05 23:19:09 -04:00
Denys Vlasenko
d45efd3a9f passwd,cryptpw: make default encryption algorithm configurable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-01-08 16:44:37 +01:00
Denys Vlasenko
66426760be *: remove "Options:" string from help texts 
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
Denys Vlasenko
3a240212d9 passwd: shorter help text 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-13 03:31:45 +02:00
Denys Vlasenko
12a432715f adduser: safe username passing to passwd/addgroup 
passwd: support creating SHA passwords
random code shrink

function                                             old     new   delta
crypt_make_pw_salt                                     -      87     +87
adduser_main                                         883     904     +21
...
crypt_make_salt                                       99      89     -10
chpasswd_main                                        329     312     -17
packed_usage                                       28731   28691     -40
passwd_main                                         1070    1000     -70
cryptpw_main                                         310     224     -86
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 4/12 up/down: 154/-288)        Total: -134 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-13 03:19:01 +02:00
Tito Ragusa
9eb7bfd4d4 passwd,chpasswd: reset password in /etc/passwd to "x" if /etc/shadow was updated 
Signed-off-by: Tito Ragusa <farmatito@tiscali.it>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-04-05 00:18:33 +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
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
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
Denys Vlasenko
8ced1e5dc5 passwd: do not complain about /etc/shadow needlessly 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-01-09 22:21:55 +01:00
Denys Vlasenko
6331cf059c *: use "can't" instead of "cannot" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-11-13 09:08:27 +01:00
Denys Vlasenko
c6fb2a6b5f passwd: do not complain if /etc/shadow is missing 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-11-02 19:18:49 +01:00
Denis Vlasenko
829bbd3b57 *: unify concurrent-safe update of /etc/{passwd,group,[g]shadow} 
by Tito (farmatito AT tiscali.it)

function                                             old     new   delta
update_passwd                                        743    1171    +428
bb_perror_nomsg                                        -       9      +9
find_main                                            436     444      +8
passwd_main                                         1023    1027      +4
nameval                                              202     206      +4
chpasswd_main                                        315     319      +4
bb__parsespent                                       119     117      -2
adduser_main                                         654     650      -4
addgroup_main                                        345     341      -4
sv_main                                             1228    1222      -6
deluser_main                                         173     160     -13
bb_internal_putpwent                                  69       -     -69
add_user_to_group                                    231       -    -231
del_line_matching                                    460      31    -429
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 5/6 up/down: 457/-758)         Total: -301 bytes
 2009-04-14 00:51:05 +00:00
Denis Vlasenko
54ac03a618 *: remove LOG_NOWAIT 2009-03-11 15:59:49 +00:00
Denis Vlasenko
d7a805efaf libbb: introduce and use xgetpwnam. ~ -150 bytes. 2008-12-03 19:05:55 +00:00
Bernhard Reutner-Fischer
82b1429966 - add new applet mkpasswd(1) 
function                                             old     new   delta
bb_ask                                                 -     355    +355
mkpasswd_main                                          -     296    +296
.rodata                                           121746  121847    +101
packed_usage                                       24632   24689     +57
static.methods                                         -      21     +21
gmatch                                               229     248     +19
bb_ask_stdin                                           -      11     +11
applet_names                                        1949    1958      +9
applet_main                                         1172    1176      +4
sulogin_main                                         503     505      +2
applet_nameofs                                       586     588      +2
sha256_hash                                          329     327      -2
correct_password                                     208     206      -2
parse_command                                       1442    1439      -3
get_cred_or_die                                      145     141      -4
passwd_main                                         1054    1044     -10
bb_askpass                                           348       -    -348
------------------------------------------------------------------------------
(add/remove: 4/1 grow/shrink: 7/5 up/down: 877/-369)          Total: 508 bytes
 2008-12-03 18:48:39 +00:00
Denis Vlasenko
0c68a874e7 libbb: password/group function helpers rewritten by Tito: 
function                                             old     new   delta
xgetpwuid                                              -      27     +27
uid2uname_utoa                                         -      22     +22
gid2group_utoa                                         -      22     +22
uid2uname                                              -      18     +18
gid2group                                              -      18     +18
buffer_fill_and_print                                179     196     +17
print_user                                            12      24     +12
print_group                                           12      24     +12
get_cached                                            89      99     +10
...
print_common                                         134     120     -14
vlock_main                                           415     396     -19
logger_main                                          410     387     -23
crontab_main                                         642     609     -33
bb_getpwuid                                           42       -     -42
bb_getgrgid                                           42       -     -42
bb_getug                                              80       -     -80
------------------------------------------------------------------------------
(add/remove: 6/3 grow/shrink: 9/11 up/down: 187/-296)        Total: -109 bytes
 2008-12-02 22:56:59 +00:00
Bernhard Reutner-Fischer
d73cbd31a2 - first pass to unify/cleanup uid handling (-236b) 
This needs further love, alot of love.. Tito?
 2008-07-21 14:41:33 +00:00
Denis Vlasenko
a60f84ebf0 *: rename ATTRIBUTE_XXX to just XXX. 2008-07-05 09:18:54 +00:00
Denis Vlasenko
fdddab0c61 make pw_encrypt() return malloc'ed string. 
text    data     bss     dec     hex filename
 759802     604    6684  767090   bb472 busybox_old
 759804     604    6676  767084   bb46c busybox_unstripped
 2008-06-12 16:56:52 +00:00
Denis Vlasenko
4ea83bf562 uclibc insists on having 70k static buffer for crypt. 
For bbox it's not acceptable. Roll our own des and md5 crypt
implementation. Against older uclibc:

   text    data     bss     dec     hex filename
 759945     604    6684  767233   bb501 busybox_old
 759766     604    6684  767054   bb44e busybox_unstripped

so, we still save on code size.
 2008-06-12 16:55:59 +00:00
Denis Vlasenko
68404f13d4 *: add -Wunused-parameter; fix resulting breakage 
function                                             old     new   delta
procps_scan                                         1265    1298     +33
aliascmd                                             278     283      +5
parse_file_cmd                                       116     120      +4
dname_enc                                            373     377      +4
setcmd                                                90      93      +3
execcmd                                               57      60      +3
count_lines                                           72      74      +2
process_command_subs                                 340     339      -1
test_main                                            409     407      -2
mknod_main                                           179     177      -2
handle_incoming_and_exit                            2653    2651      -2
argstr                                              1312    1310      -2
shiftcmd                                             131     128      -3
exitcmd                                               46      43      -3
dotcmd                                               297     294      -3
breakcmd                                              86      83      -3
evalpipe                                             353     349      -4
evalcommand                                         1180    1176      -4
evalcmd                                              109     105      -4
send_tree                                            374     369      -5
mkfifo_main                                           82      77      -5
evalsubshell                                         152     147      -5
typecmd                                               75      69      -6
letcmd                                                61      55      -6
add_cmd                                             1190    1183      -7
main                                                 891     883      -8
ash_main                                            1415    1407      -8
parse_stream                                        1377    1367     -10
alloc_procps_scan                                     55       -     -55
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148)          Total: -94 bytes
   text    data     bss     dec     hex filename
 797195     658    7428  805281   c49a1 busybox_old
 797101     658    7428  805187   c4943 busybox_unstripped
 2008-03-17 09:00:54 +00:00
Denis Vlasenko
25591c322c libbb: introduce bb_signals and bb_signals_recursive, 
which sets same handler for many signals. sig_catch is nuked
(bb_signals_recursive is more descriptive name).
*: use them as appropriate. 

function                                             old     new   delta
bb_signals_recursive                                   -      95     +95
bb_signals                                             -      52     +52
run_command                                          258     273     +15
svlogd_main                                         1368    1377      +9
runsv_main                                          1746    1752      +6
runsvdir_main                                       1643    1646      +3
UNSPEC_print                                          64      66      +2
time_main                                           1128    1127      -1
...
resize_main                                          246     210     -36
sig_catch                                             63       -     -63
set_fatal_sighandler                                  85      14     -71
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 5/24 up/down: 182/-548)        Total: -366 bytes
 2008-02-16 22:58:56 +00:00
Bernhard Reutner-Fischer
f470196a41 - fix conflicting decls of syslog related facilitynames and prioritynames tables 2008-01-27 12:50:12 +00:00
Denis Vlasenko
15ca51e3e2 appletlib.c: make it actally follow _BB_SUID_ALWAYS rules 
adduser: implement -S and code shrink / fix uid selection
*: sanitize getspnam_r use

   text    data     bss     dec     hex filename
 777042     974    9676  787692   c04ec busybox_old
 776883     974    9676  787533   c044d busybox_unstripped
 2007-10-29 19:25:45 +00:00
Denis Vlasenko
9b49a5ed85 add -fvisibility=hidden to CC flags, mark XXX_main functions 
EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
 2007-10-11 10:05:36 +00:00
Denis Vlasenko
fe7cd642b0 don't pass argc in getopt32, it's superfluous 
(add/remove: 0/0 grow/shrink: 12/131 up/down: 91/-727) Total: -636 bytes
   text    data     bss     dec     hex filename
 773469    1058   11092  785619   bfcd3 busybox_old
 772644    1058   11092  784794   bf99a busybox_unstripped
 2007-08-18 15:32:12 +00:00
Denis Vlasenko
1d10aaf116 passwd: fix bug: we are trying to update shadow even if user's record is in passwd! 
getspnam is guilty, it lies that user record exists in shadow.
 2007-07-27 11:22:34 +00:00
Denis Vlasenko
3734b946bf bb_getpwuid, bb_getgrgid: change order of arguments to more intuitive one; 
comment thoroughly when they die and when they dont.
 2007-07-27 11:20:10 +00:00
Denis Vlasenko
21d1014b5b chpasswd: new applet by Alexander Shishkin <virtuoso@slind.org> 2007-07-20 21:28:41 +00:00
Denis Vlasenko
b6adbf1be2 usage.c: remove reference to busybox.h 
*: s/include "busybox.h"/include "libbb.h"
 2007-05-26 19:00:18 +00:00
Denis Vlasenko
7e84e539de cryptpw: new applet (a bit less than 3k added) 
(by Thomas Lundquist <lists@zelow.no>)
 2007-05-08 17:52:17 +00:00
Denis Vlasenko
5df955fce2 Do not fail password check if shadow password does not exist - 
fall back to ordinary one

Reduced usage of functions returning datain static buffers.
(mostly passwd/group/shadow related):

function                                             old     new   delta
correct_password                                     143     193     +50
sulogin_main                                         490     533     +43
adduser_main                                         732     774     +42
passwd_main                                         1875    1915     +40
addgroup_main                                        330     365     +35
bb_internal_getspnam                                  38       -     -38
bb_internal_fgetpwent                                 38       -     -38
bb_internal_fgetgrent                                 38       -     -38
static.resultbuf                                     168      88     -80
static.buffer                                       1872    1104    -768
------------------------------------------------------------------------------
(add/remove: 0/3 grow/shrink: 5/2 up/down: 210/-962)         Total: -752 bytes
 2007-03-13 13:01:14 +00:00
Denis Vlasenko
06af216528 suppress warnings about easch <applet>_main() having 
no preceding prototype
 2007-02-03 17:28:39 +00:00
Denis Vlasenko
06c0a71d23 preparatory patch for -Wwrite-strings #3 2007-01-29 22:51:44 +00:00
Denis Vlasenko
b5a122b6f9 fix for uclibc-without-shadow.h compilation 2006-12-30 14:46:51 +00:00
Denis Vlasenko
8eb3b391ad passwd: add option to check passwords for weakness 2006-12-19 00:33:53 +00:00
Denis Vlasenko
16c2c700fd passwd: fix indentation 2006-12-12 18:11:58 +00:00
Denis Vlasenko
db2b52425d passwd: added comment 2006-12-12 17:14:56 +00:00
Denis Vlasenko
900406c359 passwd: shrink by ~10 bytes, use PRNG instead of usleep. 2006-12-12 14:38:03 +00:00
Denis Vlasenko
becd8c538c passwd: made smaller by ~130 bytes. size can go negative 
if current trend will continue ;)
 2006-12-01 21:34:20 +00:00
Denis Vlasenko
4c87d4f242 passwd: micro-optimization 2006-11-30 23:13:59 +00:00
Denis Vlasenko
002526481e passwd: small size optimization. salt generation improved 
(really generated different salts even if called back-to-back).
 2006-11-30 20:41:28 +00:00
Denis Vlasenko
ab24e18c7a passwd: rework: 
* do not make backup copy by copying (just retain old file)
* correctly fall back to /etc/passwd if user is not in shadow
* fix bug with overlong passwd entries
* be permissive on some kinds of failures
* reduce stack usage
* code size: -500 bytes
 2006-11-30 16:41:15 +00:00
Denis Vlasenko
d9e15f2068 style cleanup: return(a) -> return a, part 2 2006-11-27 16:49:55 +00:00
Denis Vlasenko
67b23e6043 getopt_ulflags -> getopt32. 
It is impossible to formulate sane ABI based on
size of ulong because it can be 32-bit or 64-bit.
Basically it means that you cannot portably use
more that 32 option chars in one call anyway...
Make it explicit.
 2006-10-03 21:00:06 +00:00