| [7df280d] | 1 | #!/bin/bash | 
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| [7125722] | 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 | . $IFCONFIG | 
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|  | 14 |  | 
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|  | 15 | getipstats() | 
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|  | 16 | { | 
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|  | 17 | # Print the last 16 lines of dhclient.leases | 
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| [1d02f01] | 18 | sed -e :a -e '$q;N;17,$D;ba' /var/state/dhcp/dhclient.leases | 
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| [7125722] | 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 $1 interface..." | 
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| [1d02f01] | 69 | if [ "$DHCP_STOP" = "" ]; then | 
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| [7125722] | 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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