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2426 Commits
Author SHA1 Message Date
Nicolas CavallariandDenys Vlasenko e5aba88712 ifupdown: allow duplicate interface definitions 
This patch allow to have multiple interface definitions, much like
Debian's ifupdown.  More specifically, it removes the check for a
duplicate definition, so the impact on binary size should be fairly
minimal.

This configuration:

iface eth0 inet static
        address 192.168.0.15
        netmask 255.255.0.0
        gateway 192.168.0.1

iface eth0 inet static
        address 10.0.0.1
        netmask 255.255.255.0

Will add two addresses to eth0 if ip is used.  If ifconfig is used,
the standards methods will likely not stack, but the administrator may
still use the manual method.  The DHCP method may work depending on the
DHCP client in use.

This is a fairly advanced feature for power users who knows what they
are doing.  There are not many other network configuration systems that
allows multiple addresses on an interface.

Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-03-01 18:59:08 +01:00
Denys Vlasenko 352f79acbd udhcpc: fix OPTION_6RD parsing (could overflow its malloced buffer) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-02-26 15:54:56 +01:00
Denys Vlasenko 5bec08cebd udhcp: trivial shrink 
function                                             old     new   delta
dname_dec                                            337     332      -5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-02-26 14:56:18 +01:00
Denys Vlasenko 03718bb274 ntpd: print packet delay in clock update message 
function                                             old     new   delta
update_local_clock                                   820     826      +6

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-02-24 01:22:45 +01:00
Denys Vlasenko 8efcc9589b networking: allow dot at the end of the domain name in dhcp response 
Patch based on Balaji Punnuru <balaji.punnuru@gmail.com> work.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-02-11 17:44:44 +01:00
Denys Vlasenko 383201e725 ntpd: shorter message 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-02-10 07:06:31 +01:00
Denys Vlasenko fc47fcefb6 ntpd: step when |offset| > 1 sec, not 0.125 sec 
update_local_clock                                   769     820     +51
recv_and_process_peer_pkt                            838     862     +24
reset_peer_stats                                     137     133      -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 75/-4)              Total: 71 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-02-10 06:55:07 +01:00
Felix FietkauandDenys Vlasenko f2c043acfc busybox: fix uninitialized memory when displaying IPv6 addresses 
After commit 8e74adab01
("libbb: make INET[6]_rresolve use sockaddr2{host,dotted}_noport")
INET_sprint6 uses more than just sin6_addr, it also tries to display the
scope id, which is uninitialized when called from ife_print6.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-02-01 02:20:25 +01:00
Denys Vlasenko ce4bc1ed04 iproute: support "scope". Closes 8561 
function                                             old     new   delta
iproute_modify                                      1051    1120     +69

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-12-30 17:32:51 +01:00
Natanael CopaandDenys Vlasenko 1062391365 ifupdown: use -x hostname:NAME with udhcpc 
The -H NAME is deprecated in udhcpc. See commit
2017d48c0d

Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-31 14:19:06 +01:00
Timo TeräsandDenys Vlasenko 028524317d ifupdown: pass interface device name for ipv6 route commands 
IPv6 routes need the device argument for link-local routes, or they
cannot be used at all. E.g. "gateway fe80::def" seems to be used in
some places, but kernel refuses to insert the route unless device
name is explicitly specified in the route addition.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-26 17:06:12 +01:00
Denys Vlasenko 0269789537 inetd: make FEATURE_INETD_RPC off by default 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-25 20:10:46 +01:00
Ron YorstonandDenys Vlasenko 8814431aca libiproute: use if_nametoindex 
Saves 87 bytes.  Assuming, of course, all platforms have it.

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-24 22:04:36 +02:00
Denys Vlasenko f98705a00c dumpleases: string reuse 
text	   data	    bss	    dec	    hex	filename
 926254	    906	  17160	 944320	  e68c0	busybox_old
 926242	    906	  17160	 944308	  e68b4	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-24 20:45:10 +02:00
Isaac DunhamandDenys Vlasenko d320a1e7a5 dumpleases: new option -d to show time in seconds 
function                                             old     new   delta
dumpleases_main                                      493     534     +41
static.dumpleases_longopts                            31      41     +10
packed_usage                                       30777   30752     -25
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 51/-25)             Total: 26 bytes

Signed-off-by: Isaac Dunham <ibid.ag@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-24 20:28:04 +02:00
Denys Vlasenko 334e12ac6a zcip: ...ad suppress the warning 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-24 19:15:44 +02:00
Denys Vlasenko 49d51598ac zcip: do not query current time if we won't use the result 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-24 19:14:04 +02:00
Denys Vlasenko 9a51217668 dumpleases: make host names sanitized to shell-friendly condition 
function                                             old     new   delta
add_lease                                            271     298     +27

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-24 04:45:22 +02:00
Denys Vlasenko 59f8475924 httpd: fix heap buffer overflow. Closes 8426 
function                                             old     new   delta
send_headers                                         654     677     +23

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-23 11:49:04 +02:00
Denys Vlasenko 92e1b0826d wget: make Bartosz's "wget --passive-ftp -nd -t 3" work 
function                                             old     new   delta
static.wget_longopts                                 166     234     +68
wget_main                                           2608    2610      +2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-20 21:51:52 +02:00
Denys Vlasenko 926d801fa5 libiproute: make rt_addr_n2a() and format_host() return auto strings 
function                                             old     new   delta
rt_addr_n2a                                           56      53      -3
print_addrinfo                                      1227    1178     -49
print_neigh                                          933     881     -52
print_rule                                           689     617     -72
print_tunnel                                         640     560     -80
print_route                                         1727    1588    -139
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/6 up/down: 0/-395)           Total: -395 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-14 13:56:42 +02:00
Denys Vlasenko 0f296a3a56 libiproute: rename invarg(a,b) to invarg_1_to_2(a,b) 
invarg(a,b) - "invalid argument", but how a and b enter the message?

invarg_1_to_2(a,b) is somewhat easier to read: "invalid argument 'a' to 'b'"

Audit of usage revealed a number of bad uses, with too long messages.

   text	   data	    bss	    dec	    hex	filename
 938848	    932	  17448	 957228	  e9b2c	busybox_old
 938788	    932	  17448	 957168	  e9af0	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-14 13:21:01 +02:00
Curt BruneandDenys Vlasenko 69934701fd networking: add 'ip neigh' command 
This patch ports the 'ip neigh' command, originally written by Alexey
Kuznetsov, <kuznet@ms2.inr.ac.ru>, to busybox.

The base of the port is the version of iproute that shipped with
Debian Squeeze, taken from:

  http://http.debian.net/debian/pool/main/i/iproute/iproute_20100519.orig.tar.gz

This patch has actively been used by the Open Network Install
Environment (ONIE) project for over 3 years without incident.

function                                             old     new   delta
print_neigh                                            -     933    +933
ipneigh_list_or_flush                                  -     742    +742
get_hz                                                 -     109    +109
do_ipneigh                                             -      62     +62
do_iproute                                          2112    2153     +41
packed_usage                                       30647   30667     +20
ipneigh_main                                           -      14     +14
static.ip_neigh_commands                               -      12     +12
static.nuds                                            -       9      +9
static.ip_func_ptrs                                   32      36      +4
print_route                                         1858    1727    -131
------------------------------------------------------------------------------
(add/remove: 8/0 grow/shrink: 3/1 up/down: 1946/-131)        Total: 1815 bytes

Signed-off-by: Curt Brune <curt@cumulusnetworks.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-14 12:53:47 +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
Ron YorstonandDenys Vlasenko 4d0c1ea478 wget: shrink code if https isn't supported 
If FEATURE_WGET_OPENSSL and FEATURE_WGET_SSL_HELPER are both disabled
there's no point in checking for https URLs.

function                                             old     new   delta
P_HTTPS                                                6       -      -6
.rodata                                           155501  155469     -32
parse_url                                            476     423     -53
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/2 up/down: 0/-91)             Total: -91 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-13 14:56:22 +02:00
Denys Vlasenko ab3964db4e libbb: introduce kernel-style BUILD_BUG_ON() 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-13 14:50:20 +02:00
Denys Vlasenko f7ad927c20 ftpd: make DIR parameter work for non-root too: chdir to it instead of chroot 
Unfortunately, chroot() works only for root user, because of attacks
on setuid binaries (make DIR/lib/ld-linux.so a shell, hardlink to
a setuid binary, chroot to DIR, execute it and get root shell).

function                                             old     new   delta
ftpd_main                                           2160    2180     +20

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-13 13:49:53 +02:00
Denys Vlasenko 6390a3a4e5 whitespace fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-13 01:51:37 +02:00
Denys Vlasenko 02859aaeb2 use auto_string() where appropriate to kill a few statics 
Custom linker script 'busybox_ldscript' found, using it
function                                             old     new   delta
static.str                                             4       -      -4
static.passwd                                          4       0      -4
bb_ask                                               322     311     -11
ether_print                                           63      47     -16
UNSPEC_print                                          82      66     -16
INET_sprint                                           59      38     -21
INET6_sprint                                          54      30     -24
make_human_readable_str                              292     235     -57
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/7 up/down: 0/-153)           Total: -153 bytes
   text	   data	    bss	    dec	    hex	filename
 939880	    992	  17480	 958352	  e9f90	busybox_old
 939736	    992	  17456	 958184	  e9ee8	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-09 18:16:40 +02:00
Denys Vlasenko e52da5570e libbb: auto_string() for efficient handling of temporary malloced stirngs 
Use it in libiproute: get rid of one static string buffer.

function                                             old     new   delta
auto_string                                            -      51     +51
ll_index_to_name                                      10      49     +39
buffer_fill_and_print                                169     178      +9
scan_recursive                                       378     380      +2
decode_one_format                                    732     734      +2
cmdputs                                              334     332      -2
static.cur_saved                                       4       1      -3
static.nbuf                                           16       -     -16
printable_string                                      94      57     -37
ll_idx_n2a                                            53       -     -53
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 4/3 up/down: 103/-111)           Total: -8 bytes
   text	   data	    bss	    dec	    hex	filename
 939880	    992	  17496	 958368	  e9fa0	busybox_old
 939880	    992	  17480	 958352	  e9f90	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-09 17:59:56 +02:00
Denys Vlasenko f2bf20f5d5 udhcpc: fix for some Android toolchain breakage 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-08 18:13:57 +02:00
Denys Vlasenko 8403b01217 iproute: more string reuse 
text	   data	    bss	    dec	    hex	filename
 936892	    932	  17676	 955500	  e946c	busybox_old
 936843	    932	  17676	 955451	  e943b	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-08 17:15:08 +02:00
Christoph J. ThompsonandDenys Vlasenko d1eea8db92 iproute: don't hardcode the path to config files 
Allows using an alternate path for config files.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Christoph J. Thompson <cjsthompson@gmail.com>
Signed-off-by: Michael Bestas <mikeioannina@gmail.com>
 2015-10-08 17:06:06 +02:00
Denys Vlasenko 413feca279 ip: increased max ID for /etc/iproute2/rt_tables to 1023 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-08 15:10:10 +02:00
Denys Vlasenko 3d8d5e8ad4 libiproute: use itoa() where appropriate 
function                                             old     new   delta
rtnl_rtprot_a2n                                       31      88     +57
print_tunnel                                         647     640      -7
print_route                                         1865    1858      -7
print_linkinfo                                       820     812      -8
print_addrinfo                                      1241    1227     -14
rtnl_rttable_n2a                                      53      38     -15
rtnl_rtscope_n2a                                      53      38     -15
rtnl_rtrealm_n2a                                      53      38     -15
rtnl_dsfield_n2a                                      61      38     -23
rtnl_rtntype_n2a                                     118      89     -29
print_rule                                           724     689     -35
ipaddr_list_or_flush                                1293    1253     -40
rtnl_rtprot_n2a                                       53       -     -53
rtnl_rtprot_initialize                                63       -     -63
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 1/11 up/down: 57/-324)         Total: -267 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-08 13:02:28 +02:00
Denys Vlasenko 7f3a2a2256 join some common strings, -400 bytes 
function                                             old     new   delta
print_intel_cstates                                  499     511     +12
file_insert                                          355     364      +9
dpkg_main                                           2944    2940      -4
ifenslave_main                                       645     640      -5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/2 up/down: 21/-9)              Total: 12 bytes
   text	   data	    bss	    dec	    hex	filename
 937564	    932	  17676	 956172	  e970c	busybox_old
 937164	    932	  17676	 955772	  e957c	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-08 11:24:44 +02:00
Denys Vlasenko d60752f8c9 build system: -fno-builtin-printf 
Benefits are: drops reference to out-of-line putchar(), fixes a few cases
of failed string merge.

function                                             old     new   delta
i2cdump_main                                        1488    1502     +14
sha256_process_block64                               423     433     +10
sendmail_main                                       1183    1185      +2
list_table                                          1114    1116      +2
i2cdetect_main                                      1235    1237      +2
fdisk_main                                          2852    2854      +2
builtin_type                                         119     121      +2
unicode_conv_to_printable2                           325     324      -1
scan_recursive                                       380     378      -2
mkfs_minix_main                                     2687    2684      -3
buffer_fill_and_print                                178     169      -9
putchar                                              152       -    -152
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 7/4 up/down: 34/-167)          Total: -133 bytes
   text    data     bss     dec     hex filename
 937788     932   17676  956396   e97ec busybox_old
 937564     932   17676  956172   e970c busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-07 22:42:45 +02:00
Denys Vlasenko 2007ef5c3c wget: make it possible to have both SSL helpers configured 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-07 02:40:53 +02:00
Denys Vlasenko 4271698fea ifplugd: discovered why it needed net/ethernet.h: just for ETH_ALEN 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-07 02:02:56 +02:00
Denys Vlasenko 78fb6ea63a ssl_helper: tweaks discovered while building 32-bit version 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-07 02:00:11 +02:00
Denys Vlasenko 1c6c670ed4 wget: make openssl/ssl_helper choice configurable 
I got sick of not being able to wget a https file...

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-07 01:39:40 +02:00
Denys Vlasenko 5fa6d1a632 Aboriginal linux/musl build fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-05 11:15:43 +02:00
Denys Vlasenko 5b865deb3f ping: fix recently introduced build breakage for non-optimizing builds 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-08-25 16:26:31 +02:00
Alex DowadandDenys Vlasenko 65c501a093 ifupdown: 'prio' should have been 'metric' in static_up and static_up6 
When a static interface with explicit gateway and metric in /etc/network/interfaces
is enabled using 'ifup', and further, the BusyBox 'ip' applet is enabled, the
following error message appears at the console (and no default route is added):

ip: either "to" is duplicate, or "prio" is garbage

Tracing ifup reveals that it is attempting to run the following shell command:

ip route add default via <GW> dev <DEVICE> prio <METRIC>

'ip' does not understand the 'prio' argument, causing this error. With 'metric',
it works fine.

Signed-off-by: Alex Dowad <alexinbeijing@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-08-24 20:18:36 +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 2db782bc7b Merge setsockopt error messages 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-08-24 20:00:17 +02:00
Denys Vlasenko 729b70646c traceroute: fix help text 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-08-24 20:00:17 +02:00
Denys Vlasenko fb52769f4a arping: make help text clearer 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-08-16 19:56:16 +02:00
Ron YorstonandDenys Vlasenko 72dcbe4df7 ipcalc: fix trivial usage message 
Signed-off-by: Ron Yorston <rmy@frippery.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-08-15 21:15:27 +02:00
Denys Vlasenko a83e3ae172 zcip: tweak comments and make unsigned division more obvious 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-08-04 15:06:38 +02:00