added full udhcp integration

git-svn-id: svn://busybox.net/trunk/busybox@5647 69ca8d6d-28ef-0310-b511-8ec308f3f277

7 files changed, 163 insertions, 4 deletions

diff --git a/examples/udhcpc/default.bound b/examples/udhcp/sample.bound
index 98f3aa97e..200352672 100755
--- a/examples/udhcpc/default.bound
+++ b/examples/udhcp/sample.bound
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Sample udhcpc renew script
 
-RESOLV_CONF="/etc/resolv.conf"
+RESOLV_CONF="/etc/udhcpc/resolv.conf"
 
 [ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
 [ -n "$subnet" ] && NETMASK="netmask $subnet"
diff --git a/examples/udhcpc/default.deconfig b/examples/udhcp/sample.deconfig
index b221bcf12..b221bcf12 100755
--- a/examples/udhcpc/default.deconfig
+++ b/examples/udhcp/sample.deconfig
diff --git a/examples/udhcp/sample.nak b/examples/udhcp/sample.nak
new file mode 100755
index 000000000..f4d08e669
--- /dev/null
+++ b/examples/udhcp/sample.nak
@@ -0,0 +1,4 @@
+#!/bin/sh
+# Sample udhcpc nak script
+
+echo Received a NAK: $message
diff --git a/examples/udhcpc/default.renew b/examples/udhcp/sample.renew
index b64c1fe72..c953e9758 100755
--- a/examples/udhcpc/default.renew
+++ b/examples/udhcp/sample.renew
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Sample udhcpc bound script
 
-RESOLV_CONF="/etc/resolv.conf"
+RESOLV_CONF="/etc/udhcpc/resolv.conf"
 
 [ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
 [ -n "$subnet" ] && NETMASK="netmask $subnet"
@@ -27,4 +27,4 @@ for i in $dns
 do
         echo adding dns $i
         echo nameserver $i >> $RESOLV_CONF
-done
+done
\ No newline at end of file
diff --git a/examples/udhcpc/default.script b/examples/udhcp/sample.script
index f5920ba96..9b717ac3c 100644
--- a/examples/udhcpc/default.script
+++ b/examples/udhcp/sample.script
@@ -4,4 +4,4 @@
 # common initialization first, especially if more dhcp event notifications
 # are added.
 
-exec /usr/share/udhcpc/default.$1
+exec /usr/share/udhcpc/sample.$1
diff --git a/examples/udhcp/simple.script b/examples/udhcp/simple.script
new file mode 100644
index 000000000..a52a7f812
--- /dev/null
+++ b/examples/udhcp/simple.script
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# udhcpc script edited by Tim Riker <Tim@Rikers.org>
+
+[ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1
+
+RESOLV_CONF="/etc/resolv.conf"
+[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
+[ -n "$subnet" ] && NETMASK="netmask $subnet"
+
+case "$1" in
+        deconfig)
+                /sbin/ifconfig $interface 0.0.0.0
+                ;;
+
+        renew|bound)
+                /sbin/ifconfig $interface $ip $BROADCAST $NETMASK
+
+                if [ -n "$router" ] ; then
+                        echo "deleting routers"
+                        while route del default gw 0.0.0.0 dev $interface ; do
+                                :
+                        done
+
+                        for i in $router ; do
+                                route add default gw $i dev $interface
+                        done
+                fi
+
+                echo -n > $RESOLV_CONF
+                [ -n "$domain" ] && echo search $domain >> $RESOLV_CONF
+                for i in $dns ; do
+                        echo adding dns $i
+                        echo nameserver $i >> $RESOLV_CONF
+                done
+                ;;
+esac
+
+exit 0
diff --git a/examples/udhcp/udhcpd.conf b/examples/udhcp/udhcpd.conf
new file mode 100644
index 000000000..36cb58c3f
--- /dev/null
+++ b/examples/udhcp/udhcpd.conf
@@ -0,0 +1,116 @@
+# Sample udhcpd configuration file (/etc/udhcpd.conf)
+
+# The start and end of the IP lease block
+
+start           192.168.0.20    #default: 192.168.0.20
+end             192.168.0.254   #default: 192.168.0.254
+
+
+# The interface that udhcpd will use
+
+interface       eth0            #default: eth0
+
+
+# The maximim number of leases (includes addressesd reserved
+# by OFFER's, DECLINE's, and ARP conficts
+
+#max_leases     254             #default: 254
+
+
+# If remaining is true (default), udhcpd will store the time
+# remaining for each lease in the udhcpd leases file. This is
+# for embedded systems that cannot keep time between reboots.
+# If you set remaining to no, the absolute time that the lease
+# expires at will be stored in the dhcpd.leases file.
+
+#remaining      yes             #default: yes
+
+
+# The time period at which udhcpd will write out a dhcpd.leases
+# file. If this is 0, udhcpd will never automatically write a
+# lease file. (specified in seconds)
+
+#auto_time      7200            #default: 7200 (2 hours)
+
+
+# The amount of time that an IP will be reserved (leased) for if a 
+# DHCP decline message is received (seconds).
+
+#decline_time   3600            #default: 3600 (1 hour)
+
+
+# The amount of time that an IP will be reserved (leased) for if an
+# ARP conflct occurs. (seconds
+
+#conflict_time  3600            #default: 3600 (1 hour)
+
+
+# How long an offered address is reserved (leased) in seconds
+
+#offer_time     60              #default: 60 (1 minute)
+
+# If a lease to be given is below this value, the full lease time is
+# instead used (seconds).
+
+#min_lease      60              #defult: 60
+
+
+# The location of the leases file
+
+#lease_file     /var/lib/misc/udhcpd.leases     #defualt: /var/lib/misc/udhcpd.leases
+
+# The location of the pid file
+#pidfile        /var/run/udhcpd.pid     #default: /var/run/udhcpd.pid
+
+# Everytime udhcpd writes a leases file, the below script will be called.
+# Useful for writing the lease file to flash every few hours.
+
+#notify_file                            #default: (no script)
+
+#notify_file    dumpleases      # <--- usefull for debugging
+
+# The following are bootp specific options, setable by udhcpd.
+
+#siaddr         192.168.0.22            #default: 0.0.0.0
+
+#sname          zorak                   #default: (none)
+
+#boot_file      /var/nfs_root           #default: (none)
+
+# The remainer of options are DHCP options and can be specifed with the
+# keyword 'opt' or 'option'. If an option can take multiple items, such
+# as the dns option, they can be listed on the same line, or multiple
+# lines. The only option with a default is 'lease'.
+
+#Examles
+opt     dns     192.168.10.2 192.168.10.10
+option  subnet  255.255.255.0
+opt     router  192.168.10.2
+opt     wins    192.168.10.10
+option  dns     129.219.13.81   # appened to above DNS servers for a total of 3
+option  domain  local
+option  lease   864000          # 10 days of seconds
+
+
+# Currently supported options, for more info, see options.c
+#subnet
+#timezone
+#router
+#timesvr
+#namesvr
+#dns
+#logsvr
+#cookiesvr
+#lprsvr
+#bootsize
+#domain
+#swapsvr
+#rootpath
+#ipttl
+#mtu
+#broadcast
+#wins
+#lease
+#ntpsrv
+#tftp
+#bootfile
\ No newline at end of file