diff options
Diffstat (limited to 'examples/var_service/dhcp_if/dhcp_handler')
| -rwxr-xr-x | examples/var_service/dhcp_if/dhcp_handler | 81 |
1 files changed, 45 insertions, 36 deletions
diff --git a/examples/var_service/dhcp_if/dhcp_handler b/examples/var_service/dhcp_if/dhcp_handler index 9ed3e7a..a119b4d 100755 --- a/examples/var_service/dhcp_if/dhcp_handler +++ b/examples/var_service/dhcp_if/dhcp_handler @@ -3,56 +3,54 @@ # parameters: $1 and environment # # $1 is: -# # deconfig: This argument is used when udhcpc starts, and -# when a lease is lost. The script should put the interface in an +# when a leases is lost. The script should put the interface in an # up, but deconfigured state, ie: ifconfig $interface 0.0.0.0. -# Environment: interface=ethN # # bound: This argument is used when udhcpc moves from an # unbound, to a bound state. All of the paramaters are set in # enviromental variables, The script should configure the interface, -# and set any other relavent parameters (default gateway, dns server, etc). -# Environment: -# dhcptype=5 -# serverid=172.16.42.102 -# lease=97200 -# interface=eth0 -# ip=172.16.42.177 -# subnet=255.255.255.0 -# mask=24 -# broadcast=172.16.22.255 -# router=172.16.42.98 -# dns=10.34.32.125 10.32.63.5 10.34.255.7 10.11.255.27 -# domain=lab.example.com example.com -# ntpsrv=10.34.32.125 10.34.255.7 +# and set any other relavent parameters (default gateway, dns server, +# etc). # # renew: This argument is used when a DHCP lease is renewed. All of # the paramaters are set in enviromental variables. This argument is # used when the interface is already configured, so the IP address, # will not change, however, the other DHCP paramaters, such as the # default gateway, subnet mask, and dns server may change. -# Environment: same as for "bound". # # nak: This argument is used with udhcpc receives a NAK message. # The script with the deconfig argument will be called directly # afterwards, so no changes to the network interface are neccessary. # This hook is provided for purely informational purposes (the # message option may contain a reason for the NAK). -# Environment: interface=ethN, serverid=IP_ADDR # -# leasefail: called when lease cannot be obtained -# (for example, when DHCP server is down). -# Environment: interface=ethN +# env shows something like: +# dhcptype=5 +# serverid=172.16.42.102 +# lease=97200 +# interface=eth0 +# ip=172.16.42.177 +# subnet=255.255.255.0 +# mask=24 +# broadcast=172.16.22.255 +# router=172.16.42.98 +# dns=10.34.32.125 10.32.63.5 10.34.255.7 10.11.255.27 +# domain=lab.example.com example.com +# ntpsrv=10.34.32.125 10.34.255.7 # TODO: put domain into /etc/resolv.conf (thru /var/service/fw) # TODO: feed ntp IPs to /var/service/ntp -service=`basename $PWD` -outfile="$service.ipconf" -dir="/var/run/service/fw" +service=${PWD##*/} +file_ipconf="$service.ipconf" +file_ntpconf="$service.ntpconf" +dir_ipconf="/var/run/service/fw" +dir_ntpconf="/var/run/service/ntp" -exec >>"$0.out" 2>&1 +exec >/dev/null +#exec >>"$0.out" #debug +exec 2>&1 echo "`date`: Params: $*" @@ -60,23 +58,34 @@ if test x"$1" != x"bound" && test x"$1" != x"renew" ; then # Reconfigure network with this interface disabled echo "Deconfiguring" rm "$service.out" - rm "$outfile" - rm "$dir/$outfile" + rm "$file_ipconf" + rm "$file_ntpconf" + rm "$dir_ipconf/$file_ipconf" + rm "$dir_ntpconf/$file_ntpconf" sv u /var/service/fw exit fi # Bound: we've got the lease +#env >"$service.out" # debug -# Process params -env >"$service.out" -./convert2ipconf "$service.out" "$outfile" - +./convert2ipconf "$file_ipconf" # Reconfigure routing and firewall if needed -diff --brief "$outfile" "$dir/$outfile" >/dev/null 2>&1 +diff --brief "$file_ipconf" "$dir_ipconf/$file_ipconf" >/dev/null 2>&1 if test "$?" != "0"; then - echo "Reconfiguring" - mkdir -p "$dir" 2>/dev/null - cp "$outfile" "$dir/$outfile" + echo "Reconfiguring fw" + mkdir -p "$dir_ipconf" 2>/dev/null + cp "$file_ipconf" "$dir_ipconf/$file_ipconf" sv u /var/service/fw fi + +./convert2ntpconf "$file_ntpconf" +# Reconfigure ntp server addresses if needed +diff --brief "$file_ntpconf" "$dir_ntpconf/$file_ntpconf" >/dev/null 2>&1 +if test "$?" != "0"; then + echo "Reconfiguring ntp" + mkdir -p "$dir_ntpconf" 2>/dev/null + cp "$file_ntpconf" "$dir_ntpconf/$file_ntpconf" + sv t /var/service/ntp + sv u /var/service/ntp +fi |