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5a3d3b8055
busybox/networking
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Seth David Schoen 5a3d3b8055 udhcpd: don't hardcode treating .0 and .255 specially 
Even following current Internet standards, it can be perfectly
legitimate to issue IPv4 addresses that end in .0 or .255 via DHCP --
this can happen whenever the network is larger than /8.  For example,
10.3.4.0 and 10.3.4.255 are legitimate host addresses in 10/8 or 10.3/16.
(We also want to be able to issue .0 addresses in smaller networks
following our proposed kernel patch and standards changes.)

This behavior is already fully controllable by the user, simply by
setting start_ip and end_ip correctly.  Users who don't want to issue
.0 or .255 should set start_ip greater than .0 or end_ip less than .255
and udhcpd will already respect these bounds.  (This is also the case
for other DHCP servers -- the recommended example configurations will
default to a lower bound starting with .1 or some other value, which is
typically appropriate, but the user is still allowed to change this to
.0 -- or to a range that overlaps a .0 or .255 address -- if so desired.)

Signed-off-by: Seth David Schoen <schoen@loyalty.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-03 20:30:13 +02:00
..
libiproute libbb: introduce and use fputs_stdout 2021-02-03 20:52:40 +01:00
ssl_helper networking/ssl_helper: experimental matrixssl-based ssl helper 2014-02-23 23:31:13 +01:00
ssl_helper-wolfssl Update information on building httpd and wget helpers 2016-12-22 15:13:37 +01:00
udhcp udhcpd: don't hardcode treating .0 and .255 specially 2021-06-03 20:30:13 +02:00
arp.c build system: drop PLATFORM_LINUX 2020-08-13 17:12:56 +02:00
arping.c build system: drop PLATFORM_LINUX 2020-08-13 17:12:56 +02:00
brctl.c timeout,top,watch,ping: parse NN.N fractional duration in locales with other separators 2021-03-23 13:50:02 +01:00
Config.src tls: introduce FEATURE_TLS_SHA1 to make SHA1 code optional 2018-12-10 16:14:58 +01:00
dnsd.c dnsd: check that we don't read past packet 2021-02-22 15:36:07 +01:00
ether-wake.c build system: drop PLATFORM_LINUX 2020-08-13 17:12:56 +02:00
ftpd.c ftpd: allow -A if !FTPD_AUTHENTICATION as well 2018-04-07 14:18:42 +02:00
ftpgetput.c help text: use -P PORT form 2020-12-18 22:51:46 +01:00
hostname.c more --help text tweaks 2020-12-13 19:18:28 +01:00
httpd_helpers.sh Update information on building httpd and wget helpers 2016-12-22 15:13:37 +01:00
httpd_indexcgi.c httpd_indexcgi.c: use CSS for odd/even rows 2020-07-31 18:14:54 +02:00
httpd_post_upload.cgi Make POST upload example script easier to use 2016-12-22 15:33:11 +01:00
httpd_ssi.c whitespace fixes. no code changes 2013-01-14 01:34:48 +01:00
httpd.c httpd: add comment about faster rejection of denied IPs 2021-05-05 15:31:18 +02:00
ifconfig.c help text tweaks 2020-12-13 19:04:19 +01:00
ifenslave.c build system: drop PLATFORM_LINUX 2020-08-13 17:12:56 +02:00
ifplugd.c decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly 2020-11-30 13:03:03 +01:00
ifupdown.c help text tweaks 2020-12-18 04:12:51 +01:00
inetd.c inetd: deinline machtime() - gcc gets it wrong 2021-04-24 12:06:03 +02:00
interface.c decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly 2020-11-30 13:03:03 +01:00
ip.c decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly 2020-11-30 13:03:03 +01:00
ipcalc.c help text: replace [OPTIONS] with actual options (if not too long) 2020-12-13 22:34:05 +01:00
isrv_identd.c config: update size information 2018-12-28 03:20:17 +01:00
isrv.c libbb: reduce the overhead of single parameter bb_error_msg() calls 2019-07-02 11:35:03 +02:00
isrv.h fixlet for the previous commit #2 2014-01-09 20:09:43 +01:00
Kbuild.src Convert all networking/* applets to "new style" applet definitions 2016-11-23 09:05:14 +01:00
nameif.c build system: drop PLATFORM_LINUX 2020-08-13 17:12:56 +02:00
nbd-client.c libbb: introduce and use sleep1() 2020-11-29 11:37:34 +01:00
nc_bloaty.c libbb: introduce and use sleep1() 2020-11-29 11:37:34 +01:00
nc.c libbb: reduce the overhead of single parameter bb_error_msg() calls 2019-07-02 11:35:03 +02:00
netstat.c decrease padding: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly 2020-11-30 14:58:02 +01:00
nslookup.c nslookup: mention QUERY_TYPE SRV 2021-06-03 16:23:52 +02:00
ntpd.c libbb.h: inline byteswaps 2021-04-24 11:54:50 +02:00
ntpd.diff ntpd: add experimental patch 2016-03-04 07:36:04 +01:00
parse_pasv_epsv.c networking: support ftp PASV responses not ending with ')' 2020-07-19 20:59:35 +02:00
ping.c Fix ping build on the FreeBSD 2021-01-04 13:28:28 +01:00
pscan.c help text tweaks, mainly expanding one for route 2020-12-18 23:33:19 +01:00
route.c route: code shrink 2020-12-19 00:07:13 +01:00
slattach.c libbb: introduce and use sleep1() 2020-11-29 11:37:34 +01:00
ssl_client.c config: update size information 2018-12-28 03:20:17 +01:00
tc.c tc: array address is never NULL 2019-10-25 13:41:31 +02:00
tcpudp_perhost.c tcpudp: shrink per-host rate-limiting code 2018-02-27 13:03:44 +01:00
tcpudp_perhost.h tcpudp: shrink per-host rate-limiting code 2018-02-27 13:03:44 +01:00
tcpudp.c libbb: reduce the overhead of single parameter bb_error_msg() calls 2019-07-02 11:35:03 +02:00
telnet.c randomconfig fixes 2020-12-29 16:53:11 +01:00
telnetd.c libbb: reduce the overhead of single parameter bb_error_msg() calls 2019-07-02 11:35:03 +02:00
telnetd.ctrlSQ.patch *: slap on a few ALIGN1/2s where appropriate 2016-04-22 18:09:21 +02:00
telnetd.IAC_test.sh telnetd: fix corner case of input processing of 0xff bytes 2016-10-12 19:13:46 +02:00
tftp.c tftp: fix --help 2020-12-19 00:33:06 +01:00
tls_aes.c tls: code shrink in AES code 2020-12-15 18:47:25 +01:00
tls_aes.h tls: in AES-CBC code, do not set key for every record - do it once 2018-11-23 18:02:44 +01:00
tls_aesgcm.c suppress a few "unused function" warnings 2019-10-25 13:05:15 +02:00
tls_aesgcm.h tls: in AES-GCM decoding, avoid memmove 2018-11-24 13:51:46 +01:00
tls_fe.c tls: code shrink in curve 25519 2021-04-28 12:19:24 +02:00
tls_pstm_montgomery_reduce.c tls: further reduce register pressure in i386 assembly 2021-04-20 19:03:55 +02:00
tls_pstm_mul_comba.c networking: cc is not a register 2019-05-17 22:56:47 +02:00
tls_pstm_sqr_comba.c networking: cc is not a register 2019-05-17 22:56:47 +02:00
tls_pstm.c tls: whitespace fixes 2021-04-27 00:40:40 +02:00
tls_pstm.h tls: pstm code shrink 2019-01-01 15:40:43 +01:00
tls_rsa.c tls: whitespace fixes 2021-04-27 00:40:40 +02:00
tls_rsa.h tls: do not leak RSA key 2018-11-25 16:17:26 +01:00
tls_sp_c32.c tls: tweak sp_256_ecc_gen_k_10 for smaller code 2021-04-27 18:48:43 +02:00
tls_symmetric.h tls: set TLS_DEBUG to 0; placate a gcc indentation warning 2017-01-23 01:15:13 +01:00
tls.c tls: make x25519 key generation code more similar to P256 2021-04-26 13:46:36 +02:00
tls.h tls: simplify sp_256_ecc_gen_k_10, cosmetic changes 2021-04-26 14:33:38 +02:00
traceroute.c traceroute: fix option parsing 2021-02-02 13:48:21 +01:00
tunctl.c help text tweaks 2020-12-18 04:12:51 +01:00
vconfig.c build system: drop PLATFORM_LINUX 2020-08-13 17:12:56 +02:00
wget.c wget: allow HTTP 307/308 redirects 2021-04-30 01:42:24 +02:00
whois.c whois: limit total length of response to 32+2 kb 2019-12-03 14:52:17 +01:00
zcip.c build system: drop PLATFORM_LINUX 2020-08-13 17:12:56 +02:00