# see scripts/kbuild/config-language.txt.
#
-menu "udhcp Server/Client"
-
-config BUSYBOX_CONFIG_UDHCPD
- bool "udhcp Server (udhcpd)"
+config BUSYBOX_CONFIG_APP_UDHCPD
+ bool "udhcp server (udhcpd)"
default n
help
- uDHCPd is a DHCP server geared primarily toward embedded systems,
+ udhcpd is a DHCP server geared primarily toward embedded systems,
while striving to be fully functional and RFC compliant.
- See http://udhcp.busybox.net for further details.
-
-config BUSYBOX_CONFIG_UDHCPC
- bool "udhcp Client (udhcpc)"
- default y
+config BUSYBOX_CONFIG_APP_DHCPRELAY
+ bool "dhcprelay"
+ default n
+ depends on BUSYBOX_CONFIG_APP_UDHCPD
help
- uDHCPc is a DHCP client geared primarily toward embedded systems,
- while striving to be fully functional and RFC compliant.
-
- The udhcp client negotiates a lease with the DHCP server and
- notifies a set of scripts when a lease is obtained or lost.
+ dhcprelay listens for dhcp requests on one or more interfaces
+ and forwards these requests to a different interface or dhcp
+ server.
- See http://udhcp.busybox.net for further details.
-
-config BUSYBOX_CONFIG_DUMPLEASES
+config BUSYBOX_CONFIG_APP_DUMPLEASES
bool "Lease display utility (dumpleases)"
default n
- depends on BUSYBOX_CONFIG_UDHCPD
+ depends on BUSYBOX_CONFIG_APP_UDHCPD
help
dumpleases displays the leases written out by the udhcpd server.
Lease times are stored in the file by time remaining in lease, or
by the absolute time that it expires in seconds from epoch.
- See http://udhcp.busybox.net for further details.
+config BUSYBOX_CONFIG_FEATURE_UDHCPD_WRITE_LEASES_EARLY
+ bool "Rewrite the lease file at every new acknowledge"
+ default n
+ depends on BUSYBOX_CONFIG_APP_UDHCPD
+ help
+ If selected, udhcpd will write a new file with leases every
+ time a new lease has been accepted, thus eliminating the need
+ to send SIGUSR1 for the initial writing or updating. Any timed
+ rewriting remains undisturbed
+
+config BUSYBOX_CONFIG_DHCPD_LEASES_FILE
+ string "Absolute path to lease file"
+ default "/var/run/udhcpd.leases"
+ depends on BUSYBOX_CONFIG_APP_UDHCPD
+ help
+ udhcpd stores addresses in a lease file. This is the absolute path
+ of the file. Normally it is safe to leave it untouched.
+
+config BUSYBOX_CONFIG_APP_UDHCPC
+ bool "udhcp client (udhcpc)"
+ default y
+ help
+ udhcpc is a DHCP client geared primarily toward embedded systems,
+ while striving to be fully functional and RFC compliant.
-config BUSYBOX_CONFIG_FEATURE_UDHCP_SYSLOG
- bool " Log udhcp messages to syslog (instead of stdout)"
+ The udhcp client negotiates a lease with the DHCP server and
+ runs a script when a lease is obtained or lost.
+
+config BUSYBOX_CONFIG_FEATURE_UDHCPC_ARPING
+ bool "Verify that the offered address is free, using ARP ping"
default n
- depends on BUSYBOX_CONFIG_UDHCPD || BUSYBOX_CONFIG_UDHCPC
+ depends on BUSYBOX_CONFIG_APP_UDHCPC
help
- If selected, udhcpd will log all its messages to syslog, otherwise,
- it will attempt to log them to stdout.
+ If selected, udhcpc will send ARP probes and make sure
+ the offered address is really not in use by anyone. The client
+ will DHCPDECLINE the offer if the address is in use,
+ and restart the discover process.
- See http://udhcp.busybox.net for further details.
+config BUSYBOX_CONFIG_FEATURE_UDHCP_PORT
+ bool "Enable '-P port' option for udhcpd and udhcpc"
+ default n
+ depends on BUSYBOX_CONFIG_APP_UDHCPD || BUSYBOX_CONFIG_APP_UDHCPC
+ help
+ At the cost of ~300 bytes, enables -P port option.
+ This feature is typically not needed.
config BUSYBOX_CONFIG_FEATURE_UDHCP_DEBUG
- bool " Compile udhcp with noisy debugging messages"
+ bool "Compile udhcp with noisy debugging messages"
default n
- depends on BUSYBOX_CONFIG_UDHCPD || BUSYBOX_CONFIG_UDHCPC
+ depends on BUSYBOX_CONFIG_APP_UDHCPD || BUSYBOX_CONFIG_APP_UDHCPC
help
- If selected, udhcpd will output extra debugging output. If using
- this option, compile uDHCP with "-g", and do not fork the daemon to
- the background.
+ If selected, udhcpd will output extra debugging output.
- See http://udhcp.busybox.net for further details.
+config BUSYBOX_CONFIG_FEATURE_RFC3397
+ bool "Support for RFC3397 domain search (experimental)"
+ default y
+ depends on BUSYBOX_CONFIG_APP_UDHCPD || BUSYBOX_CONFIG_APP_UDHCPC
+ help
+ If selected, both client and server will support passing of domain
+ search lists via option 119, specified in RFC3397.
+
+config BUSYBOX_CONFIG_DHCPC_DEFAULT_SCRIPT
+ string "Absolute path to config script"
+ default "/usr/share/udhcpc/default.script"
+ depends on BUSYBOX_CONFIG_APP_UDHCPC
+ help
+ This script is called after udhcpc receives an answer. See
+ examples/udhcp for a working example. Normally it is safe
+ to leave this untouched.
+
+config BUSYBOX_CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS
+ int "DHCP options slack buffer size"
+ default 80
+ range 0 924
+ depends on BUSYBOX_CONFIG_APP_UDHCPD || BUSYBOX_CONFIG_APP_UDHCPC
+ help
+ Some buggy DHCP servers send DHCP offer packets with option
+ field larger than we expect (which might also be considered a
+ buffer overflow attempt). These packets are normally discarded.
+ If circumstances beyond your control force you to support such
+ servers, this may help. The upper limit (924) makes dhcpc accept
+ even 1500 byte packets (maximum-sized ethernet packets).
-endmenu
+ This option does not make dhcp[cd] emit non-standard
+ sized packets.
+ Known buggy DHCP servers:
+ 3Com OfficeConnect Remote 812 ADSL Router:
+ seems to confuse maximum allowed UDP packet size with
+ maximum size of entire IP packet, and sends packets which are
+ 28 bytes too large.
+ Seednet (ISP) VDSL: sends packets 2 bytes too large.
projects / openwrt.git / blobdiff