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path: root/networking/udhcp/dhcpd.c (follow)
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* dhcpd: reply with NAK to clients in INIT-REBOOT state w/o existing leaseDenys Vlasenko2010-11-281-7/+11
| | | | | | We were not responding to them at all. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* dhcpd: smaller code: do not look for REQUESTED_IP twiceDenys Vlasenko2010-11-281-26/+30
| | | | | | | | text data bss dec hex filename 883235 936 17192 901363 dc0f3 busybox_old 883219 936 17192 901347 dc0e3 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* *: whitespace fixesDenys Vlasenko2010-10-281-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpd: reduce stack usage by ~700 bytes. +28 bytes code sizeDenys Vlasenko2010-10-211-4/+8
| | | | Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* udhcpd: fix daemonize crash on nommu systemsMike Frysinger2010-06-041-1/+2
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* udhcpd: note missing sanity checks on INFORM message handlingDenys Vlasenko2010-04-041-1/+13
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpd: fix -v/-P mixupDenys Vlasenko2010-03-271-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: cosmetic cleanups; one case of s/full_read/xread/Denys Vlasenko2010-03-261-2/+1
| | | | | | | function old new delta dumpleases_main 632 623 -9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: pass pointer to whole packet to "add option" functionsDenys Vlasenko2010-03-261-5/+5
| | | | | | | | | | | | | | | | | | | | | 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>
* udhcp: move options.c to common.c; disable unused bool and s16 option codeDenys Vlasenko2010-03-261-1/+1
| | | | | | | | | | | | | | | | | 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>
* *: merge some common stringsDenys Vlasenko2010-03-231-2/+2
| | | | | | | | text data bss dec hexfilename 838650 8009 0 846659 ceb43busybox_old 838519 8009 0 846528 ceac0busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: merge options.h into common.h, script.c into dhcpc.cDenys Vlasenko2010-03-221-12/+11
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* dhcpd: apparently, sometimes IP is in ciaddr, not requested_ip...Denys Vlasenko2010-03-211-8/+93
| | | | | | | | | | | | also revert the part which appempted to "fix" that in client function old new delta udhcpd_main 1949 1964 +15 send_renew 142 105 -37 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 15/-37) Total: -22 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcpd: untangle incredibly messy handling of DHCPREQUESTDenys Vlasenko2010-03-211-126/+138
| | | | | | | | | | | | | | 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>
* udhcp: tweak udhcpd.conf example and comments. no code changesDenys Vlasenko2010-03-211-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: code shrink; disable time and log server optionsDenys Vlasenko2010-03-211-43/+30
| | | | | | | | | | | | | | | | | | | 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>
* udhcpd: remove redundant code in send_offer()Denys Vlasenko2010-03-201-18/+9
| | | | | | | | | | | | static_lease_nip and lease pointer are canculated in the caller, no need to calculate them again. lease_time_sec calculation is also redundant: it is assigned to later, w/o being used in between. function old new delta udhcpd_main 1956 1925 -31 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: move serverpacket.c into dhcpd.c, no other changesDenys Vlasenko2010-03-201-3/+262
| | | | | | | | | | | function old new delta udhcpd_main 1480 1956 +476 send_inform 83 - -83 send_offer 376 - -376 ------------------------------------------------------------------------------ (add/remove: 0/3 grow/shrink: 1/0 up/down: 476/-459) Total: 17 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* *: use "can't" instead of "cannot"Denys Vlasenko2009-11-131-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: logging improvements, field and variable renamesDenys Vlasenko2009-06-171-33/+35
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: shorten mac len from 16 to 6 in lease fileDenys Vlasenko2009-06-171-7/+11
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: change UDHCP_DEBUG into int, make verbosity selectable with -vDenys Vlasenko2009-06-171-10/+18
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: rename server/client_config.arp to server_mac and client_macDenys Vlasenko2009-06-161-2/+5
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: cleanup of static lease handlingDenys Vlasenko2009-06-161-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: rename giaddr to gateway_nip and server to server_nipDenys Vlasenko2009-06-161-2/+2
| | | | | | "nip" stands for "IP in network order" Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* udhcp: rename fields in struct dhcpOfferedAddrDenys Vlasenko2009-06-161-12/+13
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* *: mass renaming of USE_XXXX to IF_XXXXDenis Vlasenko2009-04-211-2/+2
| | | | | | and SKIP_XXXX to IF_NOT_XXXX - the second one was especially badly named. It was not skipping anything!
* docs/logging_and_backgrounding.txt: new mini-docDenis Vlasenko2009-03-111-3/+1
| | | | | | | | | | | | | | | | | | | | | 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
* ftpd: code chrink, fixed some minor bugsDenis Vlasenko2009-03-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | 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
* udhcpd: add code which rejects lease files with suspicious or old timestamp.Denis Vlasenko2009-02-021-2/+2
| | | | | *: s/time(0)/time(NULL)/g
* udhcpd: disable opton to have absolute lease times in lease fileDenis Vlasenko2009-01-011-6/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | (that does not work with dumpleases) dumpleases: fix -a option. networking/udhcp/*: code shrink, more compact static leases struture, better comments, etc function old new delta find_free_or_expired_address - 147 +147 nobody_responds_to_arp - 84 +84 read_opt 781 830 +49 dumpleases_main 435 447 +12 send_ACK 229 232 +3 read_staticlease 90 93 +3 addStaticLease 60 61 +1 getIpByMac 46 43 -3 reservedIp 31 20 -11 keywords 304 288 -16 send_offer 428 403 -25 write_leases 225 193 -32 read_leases 184 143 -41 read_yn 64 - -64 find_address 191 - -191 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 5/6 up/down: 299/-383) Total: -84 bytes
* optimize 16- and 32-bit movesDenis Vlasenko2008-12-081-10/+15
| | | | | | | | | | | | | | | | 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
* dhcp: add FAST_FUNC as appropriate. -160 bytes.Denis Vlasenko2008-09-261-2/+2
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* *: rename ATTRIBUTE_XXX to just XXX.Denis Vlasenko2008-07-051-1/+1
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* udhcpc: regularize the names of receiving functions,Denis Vlasenko2008-05-211-11/+10
| | | | | | pause on "serious failure to receive". Some misc fixes are also folded in here.
* *: add -Wunused-parameter; fix resulting breakageDenis Vlasenko2008-03-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* udhcp: optional support for non-standard DHCP ports (+300 bytes when selected)Denis Vlasenko2008-02-041-2/+14
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* udhcp: fix oversized packet sending (introduced by "slack for bad dhcp ↵Denis Vlasenko2007-12-201-1/+1
| | | | | | | | | | | | | | | | | 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
* add -fvisibility=hidden to CC flags, mark XXX_main functionsDenis Vlasenko2007-10-111-1/+1
| | | | | EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
* reviving libbusybox, adding CONFIG_INDIVIDUAL part 3Denis Vlasenko2007-10-071-1/+1
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* move udhcp_{client/server}_config to common_bufsiz1Denis Vlasenko2007-09-301-1/+1
| | | | | | | | | | | | | | | 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
* don't pass argc in getopt32, it's superfluousDenis Vlasenko2007-08-181-1/+1
| | | | | | | | (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
* introduce and use xdup2(int, int)Denis Vlasenko2007-08-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* dhcpd: make -S and -f actually workDenis Vlasenko2007-08-151-1/+2
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* udhcpd: add -f "foreground" and -S "syslog" optionsDenis Vlasenko2007-08-141-3/+4
| | | | | | | | | | | | | | | 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
* udhcp: slight shrinkDenis Vlasenko2007-08-021-2/+11
| | | | | | | | | | | | | | | | | 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
* udhcp: many small fixes:Denis Vlasenko2007-07-031-10/+10
| | | | | | | | | | | | | | | | | | | | | | | | * 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
* fix comment placement (no code changes)Denis Vlasenko2007-07-011-1/+2
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* udhcp: new config option "Rewrite the lease file at every new acknowledge"Denis Vlasenko2007-07-011-9/+12
| | | | | | | | | | (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
* whitespace fixesDenis Vlasenko2007-05-301-2/+2
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