| 1 | #!/bin/bash |
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| 2 | # Begin $network-devices/services/dhclient |
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| 3 | |
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| 4 | # Based upon lfs-bootscripts-1.12 $network_devices/if{down,up} |
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| 5 | # Rewritten by Nathan Coulson <nathan@linuxfromscratch.org> |
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| 6 | # Adapted for dhclient by DJ Lucas <dj@lucasit.com> |
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| 7 | |
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| 8 | #$LastChangedBy: dnicholson $ |
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| 9 | #$Date: 2006-10-01 13:04:35 -0500 (Sun, 01 Oct 2006) $ |
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| 10 | |
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| 11 | . /etc/sysconfig/rc |
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| 12 | . $rc_functions |
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| 13 | . $IFCONFIG |
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| 14 | |
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| 15 | getipstats() |
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| 16 | { |
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| 17 | # Print the last 16 lines of dhclient.leases |
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| 18 | sed -e :a -e '$q;N;17,$D;ba' /var/state/dhcp/dhclient.leases |
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| 19 | } |
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| 20 | |
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| 21 | case "$2" in |
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| 22 | up) |
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| 23 | boot_mesg "Starting dhclient on the $1 interface..." |
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| 24 | /sbin/dhclient $1 $DHCP_START |
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| 25 | # Save the return value |
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| 26 | RET="$?" |
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| 27 | # Print the assigned settings if requested |
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| 28 | if [ "$RET" = "0" -a "$PRINTIP" = "yes" ]; then |
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| 29 | # Get info from dhclient.leases file |
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| 30 | IPADDR=`getipstats | grep "fixed-address" | \ |
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| 31 | sed 's/ fixed-address //' | \ |
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| 32 | sed 's/\;//'` |
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| 33 | NETMASK=`getipstats | grep "subnet-mask" | \ |
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| 34 | sed 's/ option subnet-mask //' | \ |
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| 35 | sed 's/\;//'` |
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| 36 | GATEWAY=`getipstats | grep "routers" | \ |
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| 37 | sed 's/ option routers //' | \ |
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| 38 | sed 's/\;//'` |
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| 39 | DNS=`getipstats | grep "domain-name-servers" | \ |
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| 40 | sed 's/ option domain-name-servers //' | \ |
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| 41 | sed 's/\;//' | sed 's/,/ and /'` |
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| 42 | |
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| 43 | if [ "$PRINTALL" = "yes" ]; then |
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| 44 | $(exit "$RET") |
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| 45 | evaluate_retval |
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| 46 | boot_mesg " DHCP Assigned Settings for $1:" |
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| 47 | boot_mesg_flush |
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| 48 | boot_mesg " IP Address: $IPADDR" |
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| 49 | boot_mesg_flush |
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| 50 | boot_mesg " Subnet Mask: $NETMASK" |
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| 51 | boot_mesg_flush |
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| 52 | boot_mesg " Default Gateway: $GATEWAY" |
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| 53 | boot_mesg_flush |
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| 54 | boot_mesg " DNS Server: $DNS" |
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| 55 | boot_mesg_flush |
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| 56 | else |
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| 57 | boot_mesg " IP Addresss:""$IPADDR" |
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| 58 | $(exit "$RET") |
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| 59 | evaluate_retval |
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| 60 | fi |
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| 61 | else |
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| 62 | $(exit "$RET") |
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| 63 | evaluate_retval |
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| 64 | fi |
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| 65 | ;; |
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| 66 | |
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| 67 | down) |
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| 68 | boot_mesg "Stoping dhclient on the $1 interface..." |
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| 69 | if [ "$DHCP_STOP" = "" ]; then |
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| 70 | # This breaks multiple interfaces please provide |
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| 71 | # the correct stop arguments. |
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| 72 | killproc dhclient |
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| 73 | else |
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| 74 | /sbin/dhclient $1 $DHCP_STOP |
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| 75 | evaluate_retval |
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| 76 | fi |
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| 77 | ;; |
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| 78 | |
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| 79 | *) |
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| 80 | echo "Usage: $0 [interface] {up|down}" |
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| 81 | exit 1 |
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| 82 | ;; |
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| 83 | esac |
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| 84 | |
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| 85 | # End $network_devices/services/dhclient |
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