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127 Commits

Author SHA1 Message Date
Denys Vlasenko
77a51a2709 randomconfig fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-29 16:53:11 +01:00
Denys Vlasenko
ec16c030bd libbb: introduce and use sleep1() 
function                                             old     new   delta
sleep1                                                 -       9      +9
run_shutdown_and_kill_processes                       97      95      -2
restore_state_and_exit                               116     114      -2
reread_partition_table                                67      65      -2
flush_buffer_cache                                    80      78      -2
chat_main                                           1302    1300      -2
timeout_main                                         310     307      -3
telnet_main                                         1235    1232      -3
stop_handler                                          86      83      -3
process_action                                      1078    1075      -3
nbdclient_main                                      1185    1182      -3
init_main                                            789     786      -3
getty_main                                          1541    1538      -3
do_time                                              410     407      -3
runsv_main                                          1682    1677      -5
pause_and_low_level_reboot                            59      54      -5
inetd_main                                          1917    1911      -6
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/16 up/down: 9/-50)            Total: -41 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-11-29 11:37:34 +01:00
Denys Vlasenko
95867147f5 telnet: add disabled code to emit EC and IP 
> I'm trying to connect to a Korenix 3005 switch through telnet
> for management purposes, and all is well except for the backspace character
> - seems like my switch doesn't handle it too well and instead of erasing
> the last character all it does is print some garbage to the screen.
> I've had the same issue before while using putty, but saw a solution that
> suggests to enable "Telnet special commands" in the options menu, and it
> worked.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-10-18 16:47:37 +02:00
Denys Vlasenko
65741d004e telnet: fix uninitialized variable bug 
function                                             old     new   delta
telnet_main                                         1236    1238      +2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-09-25 13:48:01 +02:00
Denys Vlasenko
8419123112 telnet: placate compiler's warning 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-01-09 13:12:58 +01:00
Danijel Tasov
3f4fac577a telnet: provide feedback after successful connect 
The real telnet provides some feedback:

Trying 127.0.0.1...
Connected to localhost.localdomain.
Escape character is '^]'.

We should do this to, because people are sitting there and think
a firewall is dropping packets.

function                                             old     new   delta
telnet_main                                         1270    1279      +9

Signed-off-by: Danijel Tasov <m@rbfh.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-01-06 19:20:05 +01:00
Denys Vlasenko
935afafcf3 telnet: code shrink 
function                                             old     new   delta
put_iac3_IAC_x_y_merged                                -      21     +21
put_iac4_msb_lsb                                       -      19     +19
put_iac2_msb_lsb                                       -      19     +19
put_iac                                               20      34     +14
iac_flush                                             32      36      +4
put_iac2_merged                                       46       -     -46
telnet_main                                         1492    1270    -222
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 2/1 up/down: 77/-268)          Total: -191 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-01-06 18:45:38 +01:00
Denys Vlasenko
5bfc4a32fd telnet: speed up processing of network input 
function                                             old     new   delta
telnet_main                                         1482    1492     +10

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-01-06 18:41:11 +01:00
Denys Vlasenko
b097a84d62 config: update size information 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-12-28 03:20:17 +01:00
Denys Vlasenko
2aeb201c97 libbb: new option FEATURE_ETC_SERVICES: if off, /etc/services reads often avoided 
In practice, "wget http://host.com/" always uses port 80.
People explicitly set non-standard ports via options or parameters
("telnet 1.2.3.4 567" or "telnet 1.2.3.4 ftp") instead of modifying
/etc/services.

function                                             old     new   delta
telnet_main                                         1466    1464      -2
rdate_main                                           215     198     -17
fakeidentd_main                                      269     252     -17
parse_url                                            459     392     -67
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-103)           Total: -103 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-04-17 12:43:54 +02:00
Denys Vlasenko
2f094ae821 telnet: move winsize detection closer to I/O loop, delete non-functioning debug code 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-04-07 15:02:20 +02:00
Denys Vlasenko
a02a4e9830 whitespace and comment format fixes, no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-10-05 15:19:25 +02:00
Denys Vlasenko
fb8348b364 telnet: "-a" + "-l USER" should respect USER 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-17 13:37:51 +02:00
Denys Vlasenko
18e781dc02 config: do not use `a' quoting in help texts 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-02 14:12:48 +02:00
Denys Vlasenko
72089cf6b4 config: deindent all help texts 
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 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-18 22:01:24 +02:00
Denys Vlasenko
ed15dde60a Move FEATURE_AUTOWIDTH config option to two applets which use it 
No code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-01-11 16:35:52 +01:00
Denys Vlasenko
47367e1d50 Convert all networking/* applets to "new style" applet definitions 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-23 09:05:14 +01:00
Denys Vlasenko
57727d478d telnet: code shrink 
put_iac2(w,c) is mostly used with constants, fold them into one arg

function                                             old     new   delta
put_iac2_merged                                        -      46     +46
telnet_main                                         1603    1583     -20
con_escape                                           285     257     -28
put_iac2                                              50       -     -50
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/2 up/down: 46/-98)            Total: -52 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-12 20:42:58 +02:00
Denys Vlasenko
47cfbf32fd *: add most of the required setup_common_bufsiz() calls 
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
7b85ec30b5 *: more BUILD_BUG_ON conversions 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-13 17:17:34 +02:00
Denys Vlasenko
c52cbea2bb libbb: add setsockopt_foo helpers 
function                                             old     new   delta
setsockopt_int                                         -      23     +23
do_load                                              918     934     +16
setsockopt_SOL_SOCKET_int                              -      14     +14
setsockopt_keepalive                                   -      10     +10
setsockopt_SOL_SOCKET_1                                -      10     +10
buffer_fill_and_print                                169     178      +9
setsockopt_1                                           -       8      +8
nfsmount                                            3560    3566      +6
redirect                                            1277    1282      +5
tcpudpsvd_main                                      1782    1786      +4
d6_send_kernel_packet                                272     275      +3
i2cget_main                                          380     382      +2
ed_main                                             2544    2545      +1
scan_recursive                                       380     378      -2
nbdclient_main                                       492     490      -2
hash_find                                            235     233      -2
cmdputs                                              334     332      -2
parse_command                                       1443    1440      -3
static.two                                             4       -      -4
ntpd_main                                           1039    1035      -4
const_int_1                                            4       -      -4
const_IPTOS_LOWDELAY                                   4       -      -4
RCVBUF                                                 4       -      -4
ntp_init                                             474     469      -5
change_listen_mode                                   316     310      -6
uevent_main                                          416     409      -7
arping_main                                         1697    1690      -7
telnet_main                                         1612    1603      -9
socket_want_pktinfo                                   42      33      -9
setsockopt_reuseaddr                                  21      10     -11
setsockopt_broadcast                                  21      10     -11
httpd_main                                           772     757     -15
get_remote_transfer_fd                               109      94     -15
make_new_session                                     503     487     -16
ftpd_main                                           2177    2160     -17
read_bunzip                                         1896    1866     -30
common_traceroute_main                              4099    4058     -41
common_ping_main                                    1836    1783     -53
------------------------------------------------------------------------------
(add/remove: 5/4 grow/shrink: 8/21 up/down: 111/-283)        Total: -172 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-08-24 20:00:17 +02:00
Denys Vlasenko
f76fd17d74 telnet: code shrink 
function                                             old     new   delta
telnet_main                                         1519    1515      -4
con_escape                                           296     285     -11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-05-12 02:13:24 +02:00
Denys Vlasenko
0ffd63ca9a telnet: convert Enter -> CR LF in line mode too 
function                                             old     new   delta
handle_net_output                                     87      98     +11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-09-17 11:54:35 +02:00
Denys Vlasenko
57f07bfcb2 telnet: shrink literal string size 
text	   data	    bss	    dec	    hex	filename
 888483	    497	   7584	 896564	  dae34	busybox_old
 888450	    497	   7584	 896531	  dae13	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-09-17 11:53:09 +02:00
Denys Vlasenko
aca464ddac telnet: convert CR -> CR LF, not CR -> CR NUL when sending data to server 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-09-13 13:00:49 +02:00
Denys Vlasenko
14bd16ac56 more tweak for bionic 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-07-08 08:49:40 +02:00
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
Pere Orga
5bc8c005a8 move remaining help text from include/usage.src.h 
Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-04-11 03:29:49 +02:00
Denys Vlasenko
ec07420eb9 telnet: do not check for 0 return from poll (it's impossible) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-29 02:33:38 +02:00
Denys Vlasenko
036dbb9d9a telnet: convert CR NUL -> CR on input. Closes bug 2569 
function                                             old     new   delta
telnet_main                                         1558    1594     +36

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-29 02:12:22 +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
Denys Vlasenko
f3ea792bad *: mass cosmetic removal of extra empty lines. no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-26 01:06:14 +02:00
Denys Vlasenko
729ecb87bf bbconfig: make it independent from printf functions 
function                                             old     new   delta
full_write2_str                                        -      25     +25
full_write1_str                                        -      25     +25
clear_main                                            21      20      -1
telnet_main                                         1488    1477     -11
getty_main                                          1932    1918     -14
full_write22_str                                      25       -     -25
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 0/3 up/down: 50/-51)             Total: -1 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-07 14:14:26 +02:00
Denys Vlasenko
25b10d97e6 telnet: prevent SEGV if we are requested TELOPT_NEW_ENVIRON. 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-04-27 08:54:24 +02:00
Denys Vlasenko
88aa558e5c *: do not check for POLLIN/POLLOUT only, just in case it's POLHUP/POLERR 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-02 15:02:45 +01:00
Denys Vlasenko
98a4c7cf3d *: suppress ~60% of "aliased warnings" on gcc-4.4.1 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-02-04 15:00:15 +01:00
Denys Vlasenko
cb23d93c68 *: add/remove safe_, it seems we had a few incorrect uses 
function                                             old     new   delta
chat_main                                           1359    1361      +2
microcom_main                                        712     713      +1
ifplugd_main                                        1109    1110      +1
arpping                                              465     466      +1
acpid_main                                           440     441      +1
script_main                                         1069    1067      -2
cgi_io_loop_and_exit                                 594     591      -3
telnet_main                                         1475    1469      -6
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/3 up/down: 6/-11)              Total: -5 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-01-12 12:29:55 +01:00
Denys Vlasenko
1b34d4f0b1 find: add zeroing of G.xxx; ftpd - remove extraneous zeroing of G.xxx 
Brought "G trick" to the same shape in a few more places.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-09-30 02:39:57 +02:00
Denis Vlasenko
61befda93b ash,hush: add TODO for rare build failure 
*: remove some redundant includes
 2008-11-25 01:36:03 +00:00
Denis Vlasenko
9f2f808b0d telnetd: correctly output 0xff char. ~100 bytes. 
telnet: fix some atrocious names and style. no code changes
 2008-11-11 02:56:39 +00:00
Denis Vlasenko
08ea11ab07 runsvd: shrink by Vladimir 
*: use unified trivial signal handler

function                                             old     new   delta
record_signo                                           -      10     +10
process_stdin                                        433     443     +10
bbunpack                                             383     391      +8
wc_main                                              598     605      +7
conescape                                            293     296      +3
nmeter_main                                          670     672      +2
fallbackSort                                        1717    1719      +2
bb_got_signal                                          -       1      +1
microcom_main                                        713     712      -1
signalled                                              2       -      -2
pack_gzip                                           1661    1659      -2
evalvar                                             1376    1374      -2
compare_keys                                         737     735      -2
parse_command                                       1460    1456      -4
expand                                              1748    1744      -4
s_term                                                37      29      -8
s_hangup                                               8       -      -8
fgotsig                                               10       -     -10
find_pair                                            187     169     -18
signal_handler                                       190     170     -20
runsvdir_main                                       1701    1583    -118
------------------------------------------------------------------------------
(add/remove: 2/3 grow/shrink: 6/10 up/down: 43/-199)         Total: -156 bytes
 2008-09-11 19:51:11 +00:00
Denis Vlasenko
1101d1c980 telnet: shrink 
telnetd: shrink, and fix issue file printing
test: better and shorter usage text

function                                             old     new   delta
putiac2                                               51      50      -1
putiac                                                24      20      -4
handlenetoutput                                       95      91      -4
telnet_main                                         1480    1475      -5
iacflush                                              37      32      -5
make_new_session                                     436     421     -15
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/6 up/down: 0/-34)             Total: -34 bytes
 2008-07-21 09:22:28 +00:00
Denis Vlasenko
a60f84ebf0 *: rename ATTRIBUTE_XXX to just XXX. 2008-07-05 09:18:54 +00:00
Bernhard Reutner-Fischer
5e25ddb7d3 - use STD*_FILENO some more. No object-code changes 2008-05-19 09:48:17 +00:00
Bernhard Reutner-Fischer
636a1f85e8 - use EXIT_{SUCCESS,FAILURE}. No object-code changes 2008-05-19 09:29:47 +00:00
Denis Vlasenko
5599502a55 more -Wall warning fixes. -Wall is enabled now. 2008-05-18 22:28:26 +00:00
Denis Vlasenko
1bec1b980e telnet: use poll, it's shorter 
*: style fixes
 2007-11-06 02:23:39 +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