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148 Commits

Author SHA1 Message Date
Denys Vlasenko
8993c3f260 udhcpc: document SIGUSRn effect in help text 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-12-25 06:21:54 +01:00
Denys Vlasenko
0bb35e19a7 udhcpd: reduce stack usage by ~700 bytes. +28 bytes code size 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-21 12:33:10 +02:00
Denys Vlasenko
5d374e9b14 udhcpc: exit if iface disappeared; use correct MAC if it changes 
function                                             old     new   delta
udhcpc_main                                         2560    2618     +58

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-20 22:26:38 +02:00
Denys Vlasenko
c72c1d7b31 udhcpc: reduce stack usage by de-inlining routines with on-stack pkt buf 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-20 22:08:16 +02:00
Denys Vlasenko
a5048fa386 udhcpc: periodically reread our ifindex and mac 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-20 21:38:29 +02:00
Denys Vlasenko
b3af65b95d udhcpc: emit maxsize option in all non-NAK type packets 
Before, we were sending them only in DISCOVER packets.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-20 21:37:23 +02:00
Denys Vlasenko
c59e06e471 udhcpc: better help text 
function                                             old     new   delta
packed_usage                                       27452   27486     +34

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-20 16:10:59 +02:00
Denys Vlasenko
1cbdc03411 udhcpc: remove -c CLIENTID, it is hard to use, -x 61:hexstring does the same better 
function                                             old     new   delta
packed_usage                                       27802   27808      +6
static.udhcpc_longopts                               261     250     -11
udhcpc_main                                         2799    2780     -19
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 6/-30)             Total: -24 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-20 01:42:37 +02:00
Denys Vlasenko
9e244c7600 udhcpc: move usage text to .c file. no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-20 01:38:56 +02:00
Vladislav Grishenko
ad8def2d8a udhcpc: fix OPTION_IP_PAIR parsing 
http://git.busybox.net/busybox/commit/?id=7d3a48a003cd645edfae2b404493688022
revealed incorrect OPTION_IP_PAIR implementation, which doesn't respect
option length and causes erroneous classful routes, composed from garbage
or first bytes from the next DHCP packet option.

Signed-off-by: Vladislav Grishenko <themiron@mail.ru>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-17 12:27:50 +02:00
Denys Vlasenko
dd8adde386 *: introduce and use bb_unsetenv_and_free 
function                                             old     new   delta
bb_unsetenv_and_free                                   -      17     +17
tcpudpsvd_main                                      1819    1810      -9
safe_setenv                                           58      47     -11
udhcp_run_script                                     630     616     -14
make_device                                         1683    1663     -20
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/4 up/down: 17/-54)            Total: -37 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-24 05:00:50 +02:00
Denys Vlasenko
b7d19cc400 dhcp: readability cleanups and small code shrink 
function                                             old     new   delta
udhcp_run_script                                     654     617     -37

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-30 23:41:23 +02:00
Denys Vlasenko
c03602baa4 udhcp: s/dhcp_option/dhcp_optflag/g 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-04-04 15:28:49 +02:00
Denys Vlasenko
9c0ea86caa udhcpc: trivial shrink 
function                                             old     new   delta
udhcpc_main                                         2801    2785     -16

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-04-04 02:12:03 +02:00
Denys Vlasenko
243ddcbc76 udhcpd: support decoding of option 120 "SIP servers". Closes bug 737 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-04-03 17:34:52 +02:00
Denys Vlasenko
9107b63a7f udhcp: abort if we see unknown option, and show valid options if so 
function                                             old     new   delta
udhcp_option_idx                                       -      77     +77
udhcp_str2optset                                     366     351     -15
udhcpc_main                                         2845    2801     -44
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/2 up/down: 77/-59)             Total: 18 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-27 23:23:41 +01:00
Denys Vlasenko
385b4562e3 udhcp: cosmetic cleanups; one case of s/full_read/xread/ 
function                                             old     new   delta
dumpleases_main                                      632     623      -9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-26 10:09:34 +01:00
Denys Vlasenko
7724c766bd udhcp: pass pointer to whole packet to "add option" functions 
This is needed for "overflow option" support

function                                             old     new   delta
udhcp_find_option                                      -      34     +34
udhcp_add_binary_option                               94     106     +12
write_leases                                         227     223      -4
udhcp_init_header                                     86      82      -4
send_release                                         104      99      -5
init_packet                                           87      81      -6
add_client_options                                   160     154      -6
add_server_options                                   100      92      -8
udhcpd_main                                         1964    1954     -10
udhcpc_main                                         2859    2837     -22
find_option                                           34       -     -34
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/8 up/down: 46/-99)            Total: -53 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-26 09:32:09 +01:00
Denys Vlasenko
a8f6b99987 udhcp: move options.c to common.c; disable unused bool and s16 option code 
function                                             old     new   delta
udhcp_add_binary_option                                -      94     +94
udhcp_str2nip                                          -      42     +42
len_of_option_as_string                               12      10      -2
dhcp_option_lengths                                   12      10      -2
udhcpc_main                                         2859    2851      -8
read_nip                                              42       -     -42
xmalloc_optname_optval                               590     536     -54
udhcp_str2optset                                     443     366     -77
udhcp_add_option_string                               86       -     -86
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 0/5 up/down: 136/-271)         Total: -135 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-26 08:35:24 +01:00
Denys Vlasenko
7e6add1dfc udhcpc: add -x OPT:VAL option 
function                                             old     new   delta
udhcp_str2optset                                       -     443    +443
add_client_options                                     -     160    +160
udhcpc_main                                         2753    2857    +104
packed_usage                                       26670   26689     +19
attach_option                                        380     385      +5
udhcpd_main                                         1964    1965      +1
udhcp_add_option_string                               94      86      -8
add_param_req_option                                 128       -    -128
read_opt                                             443       -    -443
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 4/1 up/down: 732/-579)          Total: 153 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-25 20:32:38 +01:00
Denys Vlasenko
dde8bdcc5b udhcp: merge options.h into common.h, script.c into dhcpc.c 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-22 14:29:13 +01:00
Denys Vlasenko
8d1144565f udhcpc: do not test for srand init, just do it at the start 
function                                             old     new   delta
udhcpc_main                                         2855    2867     +12
static.initialized                                     1       -      -1
client_background                                     32      31      -1
perform_release                                      124     122      -2
random_xid                                            38       -     -38
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 1/2 up/down: 12/-42)            Total: -30 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-22 13:44:09 +01:00
Denys Vlasenko
501e35c474 udhcp: merge clientpacket.c into dhcpc.c 
function                                             old     new   delta
udhcpc_main                                         2569    2855    +286
perform_release                                      122     124      +2
client_background                                     31      32      +1
init_packet                                          156      88     -68
send_decline                                         114       -    -114
send_discover                                        121       -    -121
send_select                                          130       -    -130
------------------------------------------------------------------------------
(add/remove: 0/4 grow/shrink: 3/1 up/down: 289/-433)         Total: -144 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-22 13:43:12 +01:00
Denys Vlasenko
6b24d5354b udhcpc: merge clientsocket.c into dhcpc.c. +4 bytes. 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-22 13:42:13 +01:00
Denys Vlasenko
87fa216e1e udhcpc: make it possible to disable vendor id; improve help text 
function                                             old     new   delta
init_packet                                          135     139      +4
packed_usage                                       26789   26786      -3
alloc_dhcp_option                                     67      63      -4
udhcpc_main                                         2467    2447     -20
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: 4/-27)             Total: -23 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-20 18:06:23 +01:00
Denys Vlasenko
219757fee9 udhcpc: fix bug 629: use bcast receive when we perform rebinding 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-08 23:05:46 +02:00
Justin Maggard
aa369e0f0d udhcpc: if got IP successfully, disable -n for future renewals 
Signed-off-by: Justin Maggard <jmaggard10@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-08-13 01:26:17 +02:00
Denys Vlasenko
4abfc2642d udhcpc: small simplification 
function                                             old     new   delta
udhcpc_main                                         2401    2398      -3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-19 04:35:16 +02:00
Denys Vlasenko
753a3ce73e typo 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-19 04:27:10 +02:00
Denys Vlasenko
7d6a791ef6 udhcpc: add/edit comments, no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-19 04:24:23 +02:00
Denys Vlasenko
13ca4b12e2 udhcpc: simplify manual renew (make it more similar to automatic one) 
function                                             old     new   delta
udhcp_run_script                                     669     673      +4
udhcpc_main                                         2414    2401     -13
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 4/-13)              Total: -9 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-19 04:07:21 +02:00
Denys Vlasenko
4248c33a85 udhcpc: fix a read error loop (e.g.: device is down) blocking TERM 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-26 23:23:16 +02:00
Denys Vlasenko
f3b92d3856 getopt: FEATURE_GETOPT_LONG for -l; rename GETOPT_LONG to LONG_OPTS 
Signed-off-by: Colin Watson <cjwatson@ubuntu.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-19 12:10:38 +02:00
Denys Vlasenko
4945ed32d7 udhcpc: fix format of one log message 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-17 11:58:11 +02:00
Denys Vlasenko
31af3d5a1d udhcp: shorten mac len from 16 to 6 in lease file 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-17 11:57:09 +02:00
Denys Vlasenko
ac906fa85e udhcp: change UDHCP_DEBUG into int, make verbosity selectable with -v 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-17 11:54:52 +02:00
Denys Vlasenko
26918dd28e udhcp: rename server/client_config.arp to server_mac and client_mac 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-16 12:04:23 +02:00
Denys Vlasenko
47f2d7ef7d udhcpd: don't fail ARP check if returned MAC matches client's one 
Also, do not unicast replies to yiaddr.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-16 10:20:27 +02:00
Denis Vlasenko
5e34ff29bc *: mass renaming of USE_XXXX to IF_XXXX 
and SKIP_XXXX to IF_NOT_XXXX - the second one was especially
badly named. It was not skipping anything!
 2009-04-21 11:09:40 +00:00
Denis Vlasenko
a19e64933c docs/logging_and_backgrounding.txt: new mini-doc 
dnsd: remove statics, remove nerly-useless SIGINT handler
crond: correct more of logfile to 0666 (as usual, umask allows
 user to remove unwanted bits).
nameif: print errors to stderr too, not just to syslog

function                                             old     new   delta
udhcp_read_interface                                 308     306      -2
ttl                                                    4       -      -4
fileconf                                               4       -      -4
dnsentry                                               4       -      -4
interrupt                                             19       -     -19
dnsd_main                                           1463    1394     -69
------------------------------------------------------------------------------
(add/remove: 0/4 grow/shrink: 0/2 up/down: 0/-102)           Total: -102 bytes
   text    data     bss     dec     hex filename
 808161     476    7864  816501   c7575 busybox_old
 807994     468    7856  816318   c74be busybox_unstripped
 2009-03-11 14:40:00 +00:00
Denis Vlasenko
5e4fda0aff ftpd: code chrink, fixed some minor bugs 
ls: update comment
*: openlog fixes (added LOG_PID, set LOG_DAEMON as appropriate)

function                                             old     new   delta
xwrite_str                                             -      26     +26
cmdio_write_ok                                         -      15     +15
handle_cwd                                            40      45      +5
packed_usage                                       25668   25670      +2
cmdio_write_raw                                        7       9      +2
handle_upload_common                                 322     320      -2
udhcpd_main                                         1375    1372      -3
udhcpc_main                                         2362    2359      -3
port_cleanup                                          27      23      -4
handle_dir_common                                    221     209     -12
str_netfd_write                                       26       -     -26
cmdio_get_cmd_and_arg                                122       -    -122
ftpd_main                                           2208    2050    -158
------------------------------------------------------------------------------
   text    data     bss     dec     hex filename
 809933     476    7864  818273   c7c61 busybox_old
 809199     476    7864  817539   c7983 busybox_unstripped
 2009-03-08 23:46:48 +00:00
Denis Vlasenko
ec64a5775e dhcpc: suppress "warning: 'timestamp_before_wait' might be used uninitialized 2009-01-14 00:28:03 +00:00
Denis Vlasenko
517413f9af bb_info_msg: make it do atomic, unbuffered writes 
udhcpc: fix a problem where we don't open listening socket fast enough

function                                             old     new   delta
bb_info_msg                                           70     126     +56
change_listen_mode                                    37      78     +41
udhcp_listen_socket                                  151     124     -27
udhcpc_main                                         2344    2285     -59
 2008-12-10 11:16:47 +00:00
Denis Vlasenko
efb545b9bd optimize 16- and 32-bit moves 
function                                             old     new   delta
udhcpd_main                                         1239    1257     +18
udhcp_add_simple_option                               93      92      -1
buffer_read_le_u32                                    19      18      -1
unpack_gz_stream_with_info                           526     520      -6
dnsd_main                                           1470    1463      -7
udhcp_run_script                                    1208    1186     -22
send_ACK                                             255     229     -26
arping_main                                         1661    1623     -38
send_offer                                           470     428     -42
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/8 up/down: 18/-143)          Total: -125 bytes
 2008-12-08 22:56:18 +00:00
Denis Vlasenko
739e30fbc3 udhcp: add inline docs; small code shrink 
function                                             old     new   delta
send_packet                                          103      87     -16
udhcpc_main                                         2359    2323     -36
 2008-09-26 23:45:20 +00:00
Denis Vlasenko
7d9399e8dc udhcpc: fixlet for previous commit 2008-09-26 22:21:03 +00:00
Denis Vlasenko
c321b51dc6 udhcp: added some FIXMEs; code shrink. -49 bytes 2008-09-26 16:29:12 +00:00
Denis Vlasenko
f1980f67d3 dhcp: add FAST_FUNC as appropriate. -160 bytes. 2008-09-26 09:34:59 +00:00
Denis Vlasenko
cdb0b652dd dhcpc: treat "discover...select...discover..." loop the same way 
as "discover...discover...discover..."
 2008-09-26 09:34:15 +00:00
Denis Vlasenko
18c93029fd insmod: shrink 
function                                             old     new   delta
obj_allocate_commons                                 488     462     -26
insmod_main                                         3830    3714    -116
 2008-08-27 22:29:43 +00:00