*: more readable handling of pipe fds. No code changes.

[oweals/busybox.git] / networking / udhcp / Config.in

diff --git a/networking/udhcp/Config.in b/networking/udhcp/Config.in
index fc07a9b7f63fdc26d57ecdcc2b35317d0fccc388..ff0e4e2ae81663b1bf2fad7c91ba65d1729cb369 100644 (file)
--- a/networking/udhcp/Config.in
+++ b/networking/udhcp/Config.in
@@ -3,9 +3,7 @@
 # see scripts/kbuild/config-language.txt.
 #
 
-menu "udhcp Server/Client"
-
-config CONFIG_UDHCPD
+config APP_UDHCPD
        bool "udhcp Server (udhcpd)"
        default n
        help
@@ -14,22 +12,19 @@ config CONFIG_UDHCPD
 
          See http://udhcp.busybox.net for further details.
 
-config CONFIG_UDHCPC
-       bool "udhcp Client (udhcpc)"
+config APP_DHCPRELAY
+       bool "dhcprelay"
        default n
+       depends on 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 CONFIG_DUMPLEASES
+config APP_DUMPLEASES
        bool "Lease display utility (dumpleases)"
        default n
-       depends on CONFIG_UDHCPD
+       depends on 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
@@ -37,20 +32,49 @@ config CONFIG_DUMPLEASES
 
          See http://udhcp.busybox.net for further details.
 
-config CONFIG_FEATURE_UDHCP_SYSLOG
-       bool "  Log udhcp messages to syslog (instead of stdout)"
+config FEATURE_UDHCPD_WRITE_LEASES_EARLY
+       bool "Rewrite the lease file at every new acknowledge"
        default n
-       depends on CONFIG_UDHCPD || CONFIG_UDHCPC
+       depends on APP_UDHCPD
        help
-         If selected, udhcpd will log all its messages to syslog, otherwise,
-         it will attempt to log them to stdout.
+         If selected, udhcpd will write a new file with leases every
+         time a new lease has been accepted, thus eleminating the need
+         to send SIGUSR1 for the initial writing, or updating. Any timed
+         rewriting remains undisturbed
+
+config APP_UDHCPC
+       bool "udhcp Client (udhcpc)"
+       default n
+       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.
 
          See http://udhcp.busybox.net for further details.
 
-config CONFIG_FEATURE_UDHCP_DEBUG
-       bool "  Compile udhcp with noisy debugging messages"
+config FEATURE_UDHCPC_ARPING
+       bool "Ask udhcpc to verify that the offered address is free, using arpping"
+       default y
+       depends on APP_UDHCPC
+       help
+         If selected, udhcpc will use arpping to make sure the offered address
+         is really available. The client will DHCPDECLINE the offer if the
+         address is in use, and restart the discover process.
+
+config FEATURE_UDHCP_PORT
+       bool "Enable '-P port' option for udhcpd and udhcpc"
+       default n
+       depends on APP_UDHCPD || APP_UDHCPC
+       help
+         At the cost of ~300 bytes, enables -P port option.
+         This feature is typically not needed.
+
+config FEATURE_UDHCP_DEBUG
+       bool "Compile udhcp with noisy debugging messages"
        default n
-       depends on CONFIG_UDHCPD || CONFIG_UDHCPC
+       depends on APP_UDHCPD || 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
@@ -58,5 +82,33 @@ config CONFIG_FEATURE_UDHCP_DEBUG
 
          See http://udhcp.busybox.net for further details.
 
-endmenu
+config FEATURE_RFC3397
+       bool "Support for RFC3397 domain search (experimental)"
+       default n
+       depends on APP_UDHCPD || APP_UDHCPC
+       help
+         If selected, both client and server will support passing of domain
+         search lists via option 119, specified in RFC3397.
+
+config UDHCPC_SLACK_FOR_BUGGY_SERVERS
+       int "DHCP options slack buffer size"
+       default 80
+       range 0 924
+       depends on APP_UDHCPD || APP_UDHCPC
+       help
+         Some buggy DHCP servers will 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).
+
+         This options 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 big.