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path: root/networking/udhcp/dhcpc.c
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2009-03-11docs/logging_and_backgrounding.txt: new mini-docDenis Vlasenko
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
2009-03-08ftpd: code chrink, fixed some minor bugsDenis Vlasenko
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
2009-01-14dhcpc: suppress "warning: 'timestamp_before_wait' might be used uninitializedDenis Vlasenko
2008-12-10bb_info_msg: make it do atomic, unbuffered writesDenis Vlasenko
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
2008-12-08optimize 16- and 32-bit movesDenis Vlasenko
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
2008-09-26udhcp: add inline docs; small code shrinkDenis Vlasenko
function old new delta send_packet 103 87 -16 udhcpc_main 2359 2323 -36
2008-09-26udhcpc: fixlet for previous commitDenis Vlasenko
2008-09-26udhcp: added some FIXMEs; code shrink. -49 bytesDenis Vlasenko
2008-09-26dhcp: add FAST_FUNC as appropriate. -160 bytes.Denis Vlasenko
2008-09-26dhcpc: treat "discover...select...discover..." loop the same wayDenis Vlasenko
as "discover...discover...discover..."
2008-08-27insmod: shrinkDenis Vlasenko
function old new delta obj_allocate_commons 488 462 -26 insmod_main 3830 3714 -116
2008-07-05*: rename ATTRIBUTE_XXX to just XXX.Denis Vlasenko
2008-06-15udhcpc: removing stray whitespaceDenis Vlasenko
2008-06-15*: use llist_pop for traverse-and-free list operationDenis Vlasenko
function old new delta append_file_list_to_list 109 111 +2 udhcpc_main 2414 2413 -1 run_parts_main 325 324 -1 od_main 2324 2323 -1 getopt_main 709 707 -2 env_main 253 251 -2 sed_main 659 656 -3 ps_main 522 519 -3 traceroute_main 3960 3954 -6 sort_main 844 838 -6 diff_main 866 858 -8 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/10 up/down: 2/-33) Total: -31 bytes
2008-06-15udhcpc: reduce ifdef forest, no code changesDenis Vlasenko
2008-06-13udhcpc: kill undocumented -W, it was a no-op.Denis Vlasenko
fix option parsing in the case some CONFIG_x are off. disable -b on NOMMU, make backgrounding work correctly (if a bit differently from MMU case). Previously, it wasn't working at all. stop using global data for flags in main(), opt bitfield works as well. function old new delta cryptpw_main 177 153 -24 packed_usage 24478 24452 -26 client_background 26 - -26 udhcpc_main 2462 2372 -90 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 0/3 up/down: 0/-166) Total: -166 bytes
2008-05-26udhcpc: shrinkDenis Vlasenko
udhcpc: guard against zero lease time function old new delta timeout 4 - -4 server_addr 4 - -4 requested_ip 4 - -4 perform_release 134 112 -22 udhcpc_main 2511 2485 -26 ------------------------------------------------------------------------------ (add/remove: 0/3 grow/shrink: 0/2 up/down: 0/-60) Total: -60 bytes
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.
2008-05-21udhcpc: simplify renewal of the leaseDenis Vlasenko
2008-05-21udhcpc: properly reduce timeout if bogus packets were receivedDenis Vlasenko
2008-04-02udhcpc: add -o "do not request options by default" switchDenis Vlasenko
(by L. Gabriel Somlo <somlo AT cmu.edu>) function old new delta udhcpc_main 2513 2554 +41 static.udhcpc_longopts 226 247 +21 add_param_req_option 119 132 +13 packed_usage 23952 23964 +12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 87/0) Total: 87 bytes
2008-03-23patch: shrink by Pascal Bellard <pascal.bellard AT ads-lu.com> (-80 bytes)Denis Vlasenko
*: removal of #include <getopt.h>
2008-03-17*: shrink: use Vladimir's "o+" specifier instead of xatou(opt_param)Denis Vlasenko
function old new delta getopt32 1370 1385 +15 sulogin_main 490 494 +4 realpath_main 84 86 +2 sleep_main 76 77 +1 mt_main 256 257 +1 printenv_main 75 74 -1 fdformat_main 546 545 -1 usleep_main 44 42 -2 setlogcons_main 77 75 -2 ed_main 2654 2649 -5 deallocvt_main 69 64 -5 addgroup_main 373 368 -5 mkfs_minix_main 2989 2982 -7 tail_main 1221 1213 -8 sv_main 1254 1241 -13 du_main 348 328 -20 tftp_main 325 302 -23 split_main 581 558 -23 nc_main 1000 977 -23 diff_main 891 868 -23 arping_main 1797 1770 -27 ls_main 893 847 -46 od_main 2797 2750 -47 readprofile_main 1944 1895 -49 tcpudpsvd_main 1973 1922 -51 udhcpc_main 2590 2513 -77 grep_main 824 722 -102 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/22 up/down: 23/-560) Total: -537 bytes text data bss dec hex filename 796973 658 7428 805059 c48c3 busybox_old 796479 662 7420 804561 c46d1 busybox_unstripped
2008-03-17*: add -Wunused-parameter; fix resulting breakageDenis Vlasenko
function old new delta procps_scan 1265 1298 +33 aliascmd 278 283 +5 parse_file_cmd 116 120 +4 dname_enc 373 377 +4 setcmd 90 93 +3 execcmd 57 60 +3 count_lines 72 74 +2 process_command_subs 340 339 -1 test_main 409 407 -2 mknod_main 179 177 -2 handle_incoming_and_exit 2653 2651 -2 argstr 1312 1310 -2 shiftcmd 131 128 -3 exitcmd 46 43 -3 dotcmd 297 294 -3 breakcmd 86 83 -3 evalpipe 353 349 -4 evalcommand 1180 1176 -4 evalcmd 109 105 -4 send_tree 374 369 -5 mkfifo_main 82 77 -5 evalsubshell 152 147 -5 typecmd 75 69 -6 letcmd 61 55 -6 add_cmd 1190 1183 -7 main 891 883 -8 ash_main 1415 1407 -8 parse_stream 1377 1367 -10 alloc_procps_scan 55 - -55 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148) Total: -94 bytes text data bss dec hex filename 797195 658 7428 805281 c49a1 busybox_old 797101 658 7428 805187 c4943 busybox_unstripped
2008-02-04udhcp: optional support for non-standard DHCP ports (+300 bytes when selected)Denis Vlasenko
2008-01-25udhcpc: filter unwanted packets in kernelDenis Vlasenko
(Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com>)
2008-01-25udhcpc: fix wrong options in decline and release packetsDenis Vlasenko
(Jonas Danielsson <jonas.danielsson at axis.com>)
2007-12-24Makefile: change version to 1.10.0.svnDenis Vlasenko
udhcpc: make UDP packet sending the same as raw sending in regards to error messages. Minor code size shrink. Total size grows due to added messages: text data bss dec hex filename 770312 683 7244 778239 bdfff busybox_old 770327 683 7244 778254 be00e busybox_unstripped
2007-12-20udhcp: fix oversized packet sending (introduced by "slack for bad dhcp ↵Denis Vlasenko
servers" options); slight optimizations and function renaming udhcp_send_raw_packet - 391 +391 udhcp_send_kernel_packet - 197 +197 udhcp_recv_packet - 134 +134 get_raw_packet 353 326 -27 udhcp_get_packet 134 - -134 udhcp_kernel_packet 197 - -197 udhcp_raw_packet 391 - -391 ------------------------------------------------------------------------------ (add/remove: 3/3 grow/shrink: 0/1 up/down: 722/-749) Total: -27 bytes
2007-12-10udhcpc: support for -O <option>.Denis Vlasenko
Two important notes: * nissrv and nisdomain are not requested by default anymore! * inconsistency between "XXXsvr" and "XXsrv" in option names resolved, all are "XXXsrv" now. function old new delta udhcpc_main 2494 2600 +106 packed_usage 23023 23067 +44 add_requests 91 119 +28 static.udhcpc_longopts 209 226 +17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 195/0) Total: 195 bytes
2007-11-29dhcp: heed TODO item - divorced options from their string descriptionsDenis Vlasenko
code shrink while at it. function old new delta dhcp_option_strings - 258 +258 udhcp_run_script 1135 1174 +39 dhcp_option_lengths - 11 +11 udhcp_add_simple_option 93 92 -1 packet_num 4 - -4 read_opt 746 739 -7 udhcp_option_lengths 11 - -11 udhcpc_main 2590 2494 -96 dhcp_options 490 70 -420 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 1/4 up/down: 308/-539) Total: -231 bytes text data bss dec hex filename 775309 929 9100 785338 bfbba busybox_old 775098 929 9084 785111 bfad7 busybox_unstripped
2007-11-22udhcpc: remove -W option, -A can be reused for thatDenis Vlasenko
help texts: trimmed a bit static.udhcpc_longopts 227 209 -18 udhcpc_main 2633 2590 -43 packed_usage 22927 22871 -56 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-117) Total: -117 bytes
2007-11-22dhcpc: cleanup and comments; fix buggy timeout handling in corner cases.Denis Vlasenko
-25 bytes.
2007-11-22udhcpc: an option to perform ARP check (Jonas Danielsson ↵Denis Vlasenko
<jonas.danielsson@axis.com>) configurable, ~+300 bytes when on.
2007-11-07add "-A N" / "--tryagain=N" option to client, to allow altering thePaul Fox
default 60 second wait after failure to get a lease.
2007-10-11add -fvisibility=hidden to CC flags, mark XXX_main functionsDenis Vlasenko
EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
2007-10-07reviving libbusybox, adding CONFIG_INDIVIDUAL part 3Denis Vlasenko
2007-09-30move udhcp_{client/server}_config to common_bufsiz1Denis Vlasenko
udhcp_run_script 1108 1151 +43 init_packet 209 210 +1 udhcpc_main 2395 2393 -2 udhcp_client_config 56 - -56 udhcp_server_config 88 - -88 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 2/1 up/down: 44/-146) Total: -102 bytes text data bss dec hex filename 771326 1029 9696 782051 beee3 busybox_old 771383 1029 9552 781964 bee8c busybox_unstripped
2007-08-18don't pass argc in getopt32, it's superfluousDenis Vlasenko
(add/remove: 0/0 grow/shrink: 12/131 up/down: 91/-727) Total: -636 bytes text data bss dec hex filename 773469 1058 11092 785619 bfcd3 busybox_old 772644 1058 11092 784794 bf99a busybox_unstripped
2007-08-18introduce and use xdup2(int, int)Denis Vlasenko
stop checking whether setsockopt_reuseaddr(int fd) was successful (it always is) remove second parameter (sockllen) from xmalloc_sockaddr2xxxxx functions sockaddr2str 142 156 +14 collect_blk 467 474 +7 xdup2 28 33 +5 singlemount 4456 4454 -2 print_host 214 212 -2 nslookup_main 139 137 -2 ftpgetput_main 414 412 -2 udhcpd_main 1258 1255 -3 udhcpc_main 2405 2402 -3 traceroute_main 4125 4122 -3 nc_main 1072 1069 -3 buffer_fill_and_print 76 73 -3 xmalloc_sockaddr2hostonly_noport 18 14 -4 xmalloc_sockaddr2host_noport 18 14 -4 xmalloc_sockaddr2host 15 11 -4 xmalloc_sockaddr2dotted_noport 18 14 -4 xmalloc_sockaddr2dotted 18 14 -4 wget_main 2618 2614 -4 ping_main 393 389 -4 ip_port_str 120 115 -5 dhcprelay_main 1146 1141 -5 dnsd_main 1531 1525 -6 passwd_main 1110 1102 -8 udhcp_kernel_packet 206 197 -9 udhcp_listen_socket 154 144 -10 getty_main 2576 2566 -10 setup 655 640 -15 xmove_fd 51 34 -17 dolisten 759 742 -17 tcpudpsvd_main 1866 1836 -30 startservice 339 299 -40
2007-08-15if pidfile turned out to be !regular file, do not unlink it.Denis Vlasenko
It's most probably the /dev/null.
2007-08-14udhcpd: add -f "foreground" and -S "syslog" optionsDenis Vlasenko
udhcpc: add -S "syslog" options remove CONFIG_FEATURE_UDHCP_SYSLOG function old new delta udhcpd_main 1168 1201 +33 udhcpc_main 2414 2425 +11 static.udhcpc_longopts 191 200 +9 qgravechar 112 108 -4 packed_usage 22843 22827 -16 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/2 up/down: 53/-20) Total: 33 bytes
2007-08-12trylink: produce even more info about final link stageDenis Vlasenko
trylink: explain how to modify link and drastically decrease amount of padding (unfortunately, needs hand editing ATM). *: add ALIGN1 / ALIGN2 to global strings and arrays of bytes and shorts size saving: 0.5k
2007-08-02udhcp: slight shrinkDenis Vlasenko
udhcpd_main 1171 1208 +37 udhcpc_main 2363 2387 +24 dhcprelay_main 1145 1146 +1 dhcprelay_stopflag 4 1 -3 dhcprelay_signal_handler 11 8 -3 client_background 46 42 -4 udhcp_read_interface 230 211 -19 udhcp_make_pidfile 76 - -76 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 3/4 up/down: 62/-105) Total: -43 bytes text data bss dec hex filename 770052 1096 11228 782376 bf028 busybox_old 769980 1096 11228 782304 befe0 busybox_unstripped
2007-08-02start_stop_daemon: NOMMU fixes, round 2 by Alex Landau <landau_alex@yahoo.com>Denis Vlasenko
dhcpc: fixed "ifupdown + udhcpc_without_pidpile_creation" bug
2007-07-24Replace index_in_[sub]str_array with index_in_[sub]strings,Denis Vlasenko
which scans thru "abc\0def\0123\0\0" type strings. Saves 250 bytes. text data bss dec hex filename 781266 1328 11844 794438 c1f46 busybox_old 781010 1328 11844 794182 c1e46 busybox_unstripped
2007-07-23rework long option handling. saves ~1.2kDenis Vlasenko
function old new delta tar_longopts - 222 +222 static.udhcpc_longopts - 192 +192 start_stop_daemon_longopts - 150 +150 getopt32 1045 1185 +140 static.wget_longopts - 111 +111 static.od_longopts - 105 +105 getopt_longopts - 96 +96 install_longopts - 67 +67 ipcalc_longopts - 63 +63 static.hwclock_longopts - 54 +54 ftpgetput_longopts - 52 +52 static.dumpleases_longopts - 32 +32 env_longopts - 31 +31 runparts_longopts - 30 +30 mv_longopts - 24 +24 mkdir_longopts - 19 +19 find_pair 164 180 +16 bb_null_long_options - 16 +16 setconsole_longopts - 10 +10 display_speed 91 98 +7 collect_blk 467 474 +7 show_color 4 1 -3 ls_main 913 904 -9 bb_default_long_options 16 - -16 ls_color_opt 32 10 -22 setconsole_long_options 32 - -32 arith 2077 2030 -47 mv_long_options 48 - -48 mkdir_long_options 48 - -48 env_long_options 48 - -48 static.options 248 184 -64 runparts_long_options 80 - -80 ftpgetput_long_options 96 - -96 static.hwclock_long_options 112 - -112 install_long_options 112 - -112 static.long_options 144 - -144 static.wget_long_options 160 - -160 longopts 160 - -160 static.arg_options 304 - -304 tar_long_options 320 - -320 long_options 384 - -384 ------------------------------------------------------------------------------ (add/remove: 17/15 grow/shrink: 4/5 up/down: 1444/-2209) Total: -765 bytes text data bss dec hex filename 782618 1328 11900 795846 c24c6 busybox_old 781354 1328 11900 794582 c1fd6 busybox_unstripped
2007-07-21libbb: nuke BB_GETOPT_ERROR, always die if there are mutually exclusive optionsDenis Vlasenko
find_pair 164 180 +16 passwd_main 1222 1230 +8 display_speed 91 96 +5 msh_main 1335 1339 +4 qrealloc 38 36 -2 refresh 1190 1182 -8 cut_main 543 532 -11 sendCgi 1807 1794 -13 getopt32 1063 1045 -18 arith 2077 2030 -47 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/6 up/down: 33/-99) Total: -66 bytes text data bss dec hex filename 781548 1168 11900 794616 c1ff8 busybox_old 781452 1168 11900 794520 c1f98 busybox_unstripped
2007-07-03udhcp: many small fixes:Denis Vlasenko
* arpping(): smaller and even probably fixed * lots of variables/params converted: ulong -> uint32_t * uptime() nuked in favor of monotonic_sec() * udhcp_get_packet(): only one "bad vendor", simplify function old new delta reservedIp 36 35 -1 udhcpc_main 2462 2460 -2 addStaticLease 64 62 -2 static.broken_vendors 16 - -16 uptime 19 - -19 udhcpd_main 1273 1238 -35 udhcp_get_packet 223 184 -39 .rodata 144162 144106 -56 arpping 690 609 -81 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 0/7 up/down: 0/-251) Total: -251 bytes text data bss dec hex filename 734241 3028 14400 751669 b7835 busybox_old 734005 3028 14400 751433 b7749 busybox_unstripped
2007-07-01udhcp: new config option "Rewrite the lease file at every new acknowledge"Denis Vlasenko
(Mats Erik Andersson <mats@blue2net.com> (Blue2Net AB)) udhcp: consistently treat server_config.start/end IPs as host-order fix IP parsing for 64bit machines fix unsafe hton macro usage in read_opt() do not chdir("/") when daemonizing fix help text
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