[3320] | 1 | #!/bin/sh
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| 2 | # executed by udhcpc
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| 3 | # parameters: $1 and environment
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| 4 | # $1 is:
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| 5 | #
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| 6 | # deconfig: udhcpc starts, or lease is lost.
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| 7 | # Environment example: interface=eth0
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| 8 | #
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| 9 | # bound: lease is obtained. Environment example:
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| 10 | # dhcptype=5
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| 11 | # serverid=172.16.42.102
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| 12 | # lease=97200
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| 13 | # interface=eth0
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| 14 | # ip=172.16.42.177
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| 15 | # subnet=255.255.255.0
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| 16 | # mask=24
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| 17 | # broadcast=172.16.22.255
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| 18 | # router=172.16.42.98
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| 19 | # dns=10.34.32.125 10.32.63.5 10.34.255.7 10.11.255.27
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| 20 | # domain=lab.example.com example.com
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| 21 | # ntpsrv=10.34.32.125 10.34.255.7
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| 22 | #
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| 23 | # renew: lease is renewed. Environment is similar to "bound".
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| 24 | # The IP address does not change, however, the other DHCP paramaters,
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| 25 | # such as the default gateway, subnet mask, and dns server may change.
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| 26 | #
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| 27 | # nak: udhcpc received a NAK message.
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| 28 | # Environment example: interface=eth0
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| 29 | #
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| 30 | # leasefail: udhcpc cannot obtain a lease (DHCP server not responding, etc).
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| 31 | # Environment example: interface=eth0
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| 32 |
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| 33 | # TODO: put $domain into /etc/resolv.conf (thru /var/service/fw)
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| 34 |
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| 35 | service=${PWD##*/}
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| 36 | file_ipconf="$service.ipconf"
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| 37 | file_ntpconf="$service.ntpconf"
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| 38 | dir_ipconf="/var/run/service/fw"
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| 39 | dir_ntpconf="/var/run/service/ntp"
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| 40 |
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| 41 | exec >/dev/null
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| 42 | #exec >>"$0.out" #debug
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| 43 | exec 2>&1
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| 44 |
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| 45 | echo "`date`: Params: $*"
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| 46 |
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| 47 | if test x"$1" != x"bound" && test x"$1" != x"renew" ; then
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| 48 | # Reconfigure network with this interface disabled
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| 49 | echo "Deconfiguring"
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| 50 | rm "$service.out"
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| 51 | rm "$file_ipconf"
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| 52 | rm "$file_ntpconf"
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| 53 | rm "$dir_ipconf/$file_ipconf"
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| 54 | rm "$dir_ntpconf/$file_ntpconf"
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| 55 | sv u /var/service/fw
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| 56 | exit
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| 57 | fi
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| 58 |
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| 59 | # Bound: we've got the lease
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| 60 | #env >"$service.out" # debug
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| 61 |
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| 62 | ./convert2ipconf "$file_ipconf"
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| 63 | # Reconfigure routing and firewall if needed
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| 64 | diff --brief "$file_ipconf" "$dir_ipconf/$file_ipconf" >/dev/null 2>&1
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| 65 | if test $? != 0; then
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| 66 | echo "Reconfiguring fw"
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| 67 | mkdir -p "$dir_ipconf" 2>/dev/null
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| 68 | cp "$file_ipconf" "$dir_ipconf/$file_ipconf"
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| 69 | sv u /var/service/fw
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| 70 | fi
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| 71 |
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| 72 | if test -d /var/service/ntp; then
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| 73 | ./convert2ntpconf "$file_ntpconf"
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| 74 | # Reconfigure ntp server addresses if needed
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| 75 | diff --brief "$file_ntpconf" "$dir_ntpconf/$file_ntpconf" >/dev/null 2>&1
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| 76 | if test $? != 0; then
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| 77 | echo "Reconfiguring ntp"
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| 78 | mkdir -p "$dir_ntpconf" 2>/dev/null
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| 79 | cp "$file_ntpconf" "$dir_ntpconf/$file_ntpconf"
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| 80 | sv t /var/service/ntp
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| 81 | sv u /var/service/ntp
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| 82 | fi
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| 83 | fi
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