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path: root/networking/udhcp/common.h
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2014-10-30udhcpd: add option for tweaking arppingMichel Stam
Some clients have a very short timeout for sending the DHCP DISCOVER, shorter than the arpping timeout of 2000 milliseconds that udhcpd uses by default. This patch allows tweaking the timeout, or disabling of arpping altogether, at the risk of handing out addresses which are already in use. function old new delta udhcpd_main 1460 1501 +41 udhcpc_main 2814 2851 +37 packed_usage 29957 29974 +17 arpping 477 493 +16 find_free_or_expired_nip 161 174 +13 send_offer 285 292 +7 nobody_responds_to_arp 85 89 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 7/0 up/down: 135/0) Total: 135 bytes Signed-off-by: Michel Stam <m.stam@fugro.nl> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-07-16udhcp: add PXELINUX path prefix option (code 210) definitionJeremy Kerr
Like d3092c99, this change adds support for the DHCP "path-prefix" option, as defined in RFC 5071. We use the string identifer "pxepathprefix". Adding this option makes string parsing in the hook scripts simpler. function old new delta dhcp_option_strings 255 269 +14 dhcp_optflags 72 74 +2 Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-12udhcp: add PXELINUX config file option (code 209) definitionJeremy Kerr
This change adds a definition for DHCP option 209. RFC 5071 defines code 209 as a configuration file for a PXE bootloader; this change uses the string "pxeconffile" as its text identifier. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2012-07-26Add yet another missing ALIGN2 on a global declaration.Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2012-07-24*: declare strings with ALIGN1, as appropriateMichael Tokarev
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-12-08udhcpc: sanitize hostnames in incoming packets. Closes 3979.Denys Vlasenko
The following options are replaced with string "bad" if they contain malformed hostname: HOST_NAME, DOMAIN_NAME, NIS_DOMAIN, TFTP_SERVER_NAME function old new delta xmalloc_optname_optval 850 888 +38 attach_option 440 443 +3 len_of_option_as_string 13 14 +1 dhcp_option_lengths 13 14 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 43/0) Total: 43 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-11-16udhcpc6: rudimentary code to export data to script; fix IAADDR parsingDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-10-20typo fix in commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-10-19udhcpc: add support for DHCP option 212 (RFC 5969)Denys Vlasenko
The patch is from OpenWRT people. function old new delta xmalloc_optname_optval 637 874 +237 dhcp_option_strings 237 243 +6 dhcp_optflags 68 70 +2 len_of_option_as_string 12 13 +1 dhcp_option_lengths 12 13 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/0 up/down: 247/0) Total: 247 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-10-18udhcp: IF_UDHCP_VERBOSE() macro - improve code readabilityLeonid Lisovskiy
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-09-09udhcp: remove the declaration of non-existent udhcp_checksumBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-04-26udhcp: add FEATURE_UDHCP_8021Q optionNigel Hathaway
function old new delta dhcp_option_strings 217 237 +20 dhcp_optflags 64 68 +4 Signed-off-by: Nigel Hathaway <Nigel.Hathaway@ubiquisys.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-20dhcp: typo fix: UPD_DHCP_SIZE -> UDP_DHCP_SIZEDenys Vlasenko
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-26udhcp: add support for 0x21 ROUTES and 0xf9 MS_STATIC_ROUTES optionsVladislav Grishenko
Signed-off-by: Vladislav Grishenko <themiron@mail.ru> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-16*: make GNU licensing statement forms more regularDenys Vlasenko
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>
2010-05-30dhcp: indicate IP network order in prototypes tooDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-30dhcp: readability cleanups and small code shrinkDenys Vlasenko
function old new delta udhcp_run_script 654 617 -37 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-04-04udhcp: implement "raw" binary options. Closes bug 735Denys Vlasenko
function old new delta allocate_tempopt_if_needed - 76 +76 udhcp_str2optset 351 415 +64 attach_option 380 398 +18 len_of_option_as_string 11 12 +1 dhcp_option_lengths 11 12 +1 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 4/0 up/down: 160/0) Total: 160 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-04-04udhcp: s/dhcp_option/dhcp_optflag/gDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-04-03udhcpd: support decoding of option 120 "SIP servers". Closes bug 737Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-27udhcp: abort if we see unknown option, and show valid options if soDenys Vlasenko
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>
2010-03-26udhcp: cosmetic cleanups; one case of s/full_read/xread/Denys Vlasenko
function old new delta dumpleases_main 632 623 -9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-26udhcp: pass pointer to whole packet to "add option" functionsDenys Vlasenko
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>
2010-03-26udhcp: move options.c to common.c; disable unused bool and s16 option codeDenys Vlasenko
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>
2010-03-25udhcpc: add -x OPT:VAL optionDenys Vlasenko
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>
2010-03-23udhcp: handle errors in read_staticleaseDenys Vlasenko
also gets rid of ether-aton's static buffer in ether-wake: text data bss dec hexfilename 838664 441 7572 846677 ceb55busybox_old 838650 441 7564 846655 ceb3fbusybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-22udhcp: make rfc derived doc more readable (but it still is contradictory)Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-22udhcp: merge options.h into common.h, script.c into dhcpc.cDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-22udhcp: merge clientpacket.c into dhcpc.cDenys Vlasenko
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>
2010-03-22udhcpc: merge clientsocket.c into dhcpc.c. +4 bytes.Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-21udhcpd: untangle incredibly messy handling of DHCPREQUESTDenys Vlasenko
Also fixes attacks possible via DHCPDECLINE / DHCPRELEASE function old new delta udhcpd_main 1846 1949 +103 send_renew 105 142 +37 send_NAK 61 - -61 send_ACK 180 - -180 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 2/0 up/down: 140/-241) Total: -101 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-21udhcp: code shrink; disable time and log server optionsDenys Vlasenko
function old new delta add_server_options - 100 +100 udhcp_add_simple_option 92 90 -2 nobody_responds_to_arp 88 85 -3 dhcp_options 66 62 -4 udhcp_add_option_string 104 94 -10 udhcp_run_script 665 654 -11 dhcp_option_strings 203 188 -15 static.blank_chaddr 16 - -16 send_ACK 211 180 -31 add_bootp_options 61 - -61 udhcpd_main 1925 1846 -79 ------------------------------------------------------------------------------ (add/remove: 1/2 grow/shrink: 0/8 up/down: 100/-232) Total: -132 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-06-17udhcp: logging improvements, field and variable renamesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-06-17udhcp: shorten mac len from 16 to 6 in lease fileDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-06-17udhcp: change UDHCP_DEBUG into int, make verbosity selectable with -vDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-06-16udhcp: add a few TODOsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-06-16udhcp: rename server/client_config.arp to server_mac and client_macDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-06-16udhcp: rename sprintip to sprint_nip, siaddr to siaddr_nipDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-06-16udhcp: rename giaddr to gateway_nip and server to server_nipDenys Vlasenko
"nip" stands for "IP in network order" Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-06-16udhcpd: don't fail ARP check if returned MAC matches client's oneDenys Vlasenko
Also, do not unicast replies to yiaddr. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-04-09*: make "pragma GCC visibility push(hidden)" less uglyDenis Vlasenko
2008-11-06build system: tidying up CONFIG_xxx names (suggested by Rob)Denis Vlasenko
2008-10-27udhcp: simplify SO_BINDTODEVICE callDenis Vlasenko
2008-09-26udhcp: add inline docs; small code shrinkDenis Vlasenko
function old new delta send_packet 103 87 -16 udhcpc_main 2359 2323 -36
2008-09-26udhcp: added some FIXMEs; code shrink. -49 bytesDenis Vlasenko
2008-09-26dhcp: add FAST_FUNC as appropriate. -160 bytes.Denis Vlasenko
2008-07-05*: rename ATTRIBUTE_XXX to just XXX.Denis Vlasenko
2008-05-21udhcpc: regularize the names of receiving functions,Denis Vlasenko
pause on "serious failure to receive". Some misc fixes are also folded in here.
2008-05-09Use intra-DSO calls when we build libbusybox. No-op for normal build.Denis Vlasenko
This was Bernhard Fischer' idea. text data bss dec hex filename 773549 7781 9740 791070 c121e busybox.t7/0_lib/libbusybox.so.1.11.0.svn_unstripped 769683 7397 9740 786820 c0184 busybox.t9t/0_lib/libbusybox.so.1.11.0.svn_unstripped
2008-02-20udhcp: make paths configurableDenis Vlasenko
syslogd: trivial build fix
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