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* udhcpc: make hostname sanitization optional. Closes 3979Denys Vlasenko2014-06-162-0/+15
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: ignore NAKs from "wrong" servers. Closes 4267Denys Vlasenko2014-02-271-1/+24
| | | | | | | function old new delta udhcpc_main 2716 2814 +98 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: fix BPF filter. Hopefully fixes the root cause of 4598 and 6746Denys Vlasenko2014-02-192-4/+5
| | | | | | Use a *signed* large positive value in BPF filter to indicate success. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: in comments, explain the kind of raw socket we createDenys Vlasenko2014-02-071-2/+4
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: don't use BPF filter, users report problems (bugs 4598, 6746)Denys Vlasenko2014-02-031-47/+46
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: add PXELINUX config file option (code 209) definitionJeremy Kerr2013-11-122-2/+5
| | | | | | | | | 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>
* udhcpc: allow zero server-id. Closes 6614.Denys Vlasenko2013-11-031-11/+25
| | | | | | | | | | | | | | function old new delta bcast_or_ucast - 47 +47 udhcp_send_kernel_packet 271 295 +24 udhcpc_main 2696 2705 +9 udhcp_send_raw_packet 456 459 +3 send_release 90 76 -14 send_renew 105 77 -28 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/2 up/down: 83/-42) Total: 41 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: make DHCP packets to have at least 300 DHCP bytesJohannes Stezenbach2013-10-281-0/+9
| | | | | | | | | | | | | | | | | | Commit b8b72f02 removed all padding from DHCP packets to fix operation with buggy servers which can't handle maximum sized packets. But it introduced a regression with buggy routers which drop DHCP packets smaller than 300 bytes (i.e. 342 byte ethernet packets). Add back some padding to work around. function old new delta udhcp_send_kernel_packet 268 292 +24 udhcp_send_raw_packet 462 473 +11 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 35/0) Total: 35 bytes Signed-off-by: Johannes Stezenbach <js@sig21.net> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: tweak help text moreDenys Vlasenko2013-08-081-17/+17
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: tweak help textDenys Vlasenko2013-08-081-14/+15
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: tweak help textDenys Vlasenko2013-08-051-4/+4
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: code shrinkDenys Vlasenko2013-05-171-17/+13
| | | | | | | | function old new delta attach_option 416 413 -3 allocate_tempopt_if_needed 74 - -74 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: fix a problem with binary-encoded options #2Denys Vlasenko2013-05-171-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpd: also add -I ADDR to help textDenys Vlasenko2013-03-141-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpd: add -I LOCAL_ADDR optionDenys Vlasenko2013-03-131-4/+13
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc6: fix port numbers used if !FEATURE_UDHCP_PORTDenys Vlasenko2013-01-283-18/+22
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* whitespace cleanup. no code changesDenys Vlasenko2013-01-141-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc[6]: allow discover_retries == 0 (infinite)Felix Fietkau2012-09-272-4/+4
| | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* ushcpc: gracefully handle packets with CHECKSUM_PARTIALAlexey Froloff2012-09-171-8/+49
| | | | | | | | | | | function old new delta udhcp_recv_raw_packet 415 579 +164 change_listen_mode 317 370 +53 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 217/0) Total: 217 bytes Signed-off-by: Alexey Froloff <raorn@raorn.name> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp[cd]: fix binding to network aliases. Closes 5432, 5438Denys Vlasenko2012-08-101-1/+9
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: make -O <numeric_opt> work. Closes 5402Denys Vlasenko2012-07-273-13/+21
| | | | | | | | | | | | | function old new delta udhcpc_main 2642 2685 +43 udhcp_recv_raw_packet 414 415 +1 d6_recv_raw_packet 248 249 +1 udhcpc6_main 2430 2413 -17 add_client_options 239 213 -26 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/2 up/down: 45/-43) Total: 2 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* Add yet another missing ALIGN2 on a global declaration.Denys Vlasenko2012-07-261-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* dhcpd: write lease file on exitDenys Vlasenko2012-07-241-4/+4
| | | | | | | function old new delta udhcpd_main 1431 1403 -28 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* *: declare strings with ALIGN1, as appropriateMichael Tokarev2012-07-241-2/+2
| | | | | Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc[6]: show select timeout in logDenys Vlasenko2012-06-022-2/+2
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc6: depend on ipv6Mike Frysinger2012-05-021-4/+5
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* udhcpc: fix improper size calculation for OPTION_STRING_HOSTDenys Vlasenko2012-04-221-0/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* fix build breakage found by randconfigDenys Vlasenko2012-04-202-1/+5
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: make arpping code resistant to time jumpsDenys Vlasenko2012-04-171-2/+7
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: finish support of classless static routes (now the correct patch!)Michael McTernan2011-12-161-18/+37
| | | | | Signed-off-by: Michael McTernan <Michael.McTernan.2001@cs.bris.ac.uk> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: sanitize hostnames in incoming packets. Closes 3979.Denys Vlasenko2011-12-083-5/+73
| | | | | | | | | | | | | | | | 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>
* udhcpc: shrink code by setting xid more economicallyDenys Vlasenko2011-11-181-4/+8
| | | | | | | | function old new delta send_decline 90 82 -8 udhcpc_main 2649 2640 -9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc6: rudimentary code to export data to script; fix IAADDR parsingDenys Vlasenko2011-11-165-40/+131
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc[6]: tweak help text, remove -B from udhcpc6 and "--version" from bothDenys Vlasenko2011-11-082-13/+9
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc6: set hop limit to 1 in emitted raw packetsDenys Vlasenko2011-11-071-7/+11
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc6: fix endiannessDenys Vlasenko2011-11-072-10/+10
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc6: new applet. Not yet functional.Denys Vlasenko2011-11-074-0/+1724
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It builds. It sends Solicit packets. Not sure these packets are well-formed. I have no server to test it against. function old new delta udhcpc6_main - 2426 +2426 d6_send_raw_packet - 428 +428 d6_send_kernel_packet - 274 +274 d6_recv_raw_packet - 248 +248 send_d6_discover - 177 +177 packed_usage 28795 28966 +171 d6_run_script - 156 +156 send_d6_renew - 140 +140 send_d6_release - 126 +126 d6_recv_kernel_packet - 116 +116 send_d6_select - 95 +95 perform_d6_release - 78 +78 d6_find_option - 74 +74 init_d6_packet - 54 +54 d6_copy_option - 48 +48 d6_mcast_from_client_config_ifindex - 42 +42 d6_dump_packet - 24 +24 static.FF02__1_2 - 16 +16 d6_store_blob - 13 +13 applet_names 2432 2440 +8 applet_main 1412 1416 +4 applet_nameofs 706 708 +2 add_d6_client_options - 1 +1 ------------------------------------------------------------------------------ (add/remove: 21/0 grow/shrink: 4/0 up/down: 4721/0) Total: 4721 bytes text data bss dec hex filename 879080 493 7584 887157 d8975 busybox_old 884585 497 7584 892666 d9efa busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: trim help text, rename badly-named variableDenys Vlasenko2011-11-072-15/+14
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: code shrinkDenys Vlasenko2011-11-071-22/+18
| | | | | | | | function old new delta udhcpc_main 2646 2649 +3 udhcp_run_script 816 802 -14 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: remove workaround for bugs in Win98 dhcp server ("MSFT 98" vendor ↵Denys Vlasenko2011-11-051-31/+3
| | | | | | | | | | | | | | | | | | | string) Stats for last three commits: function old new delta udhcpc_main 2635 2646 +11 udhcp_recv_raw_packet 425 414 -11 udhcp_recv_kernel_packet 210 134 -76 packed_usage 28940 28857 -83 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: 11/-170) Total: -159 bytes text data bss dec hex filename 879524 493 7584 887601 d8b31 busybox_old 879340 493 7584 887417 d8a79 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: reuse string constant; remove unneeded memset(0)Denys Vlasenko2011-11-051-2/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: deprecate --hostname NAMEDenys Vlasenko2011-11-051-5/+20
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* getty: reset tty attrs on Ctrl-C and Ctrl-D tooDenys Vlasenko2011-10-231-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: add comment about server IPDenys Vlasenko2011-10-201-1/+19
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: in fill_envp, export BOOTP fields firstDenys Vlasenko2011-10-201-18/+36
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* dhcpc: fix the case where we might add extra space at the end of envvar.Denys Vlasenko2011-10-202-9/+13
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: fix 6rd option formatting (was using 4 more bytes than there is)Denys Vlasenko2011-10-201-27/+23
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: remove unused argument in sprint_nip6Denys Vlasenko2011-10-201-4/+4
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpc: small code shrinkDenys Vlasenko2011-10-201-6/+9
| | | | | | | function old new delta udhcp_recv_raw_packet 430 425 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* typo fix in commentDenys Vlasenko2011-10-201-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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