d32a1a4054
Zeroconf for IPv4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
47 lines
952 B
Bash
Executable File
47 lines
952 B
Bash
Executable File
#!/bin/sh
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# executed by zcip
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# parameters: $1 and environment
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# $1 is:
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#
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# init: zcip starts. Environment:
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# interface=eth0
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#
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# config: Address is obtained.
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# interface=eth0
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# ip=169.254.a.b
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#
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# deconfig: Conflict or link went down.
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# interface=eth0
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service=${PWD##*/}
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file_ipconf="$service.ipconf"
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dir_ipconf="/var/run/service/fw"
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exec >/dev/null
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#exec >>"$0.out" #debug
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exec 2>&1
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echo "`date`: Params: $*"
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if test x"$1" != x"config"; then
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# Reconfigure network with this interface disabled
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echo "Deconfiguring"
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rm "$file_ipconf"
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rm "$dir_ipconf/$file_ipconf"
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sv u /var/service/fw
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exit
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fi
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# "config": we've got the address
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#env # debug
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./convert2ipconf "$file_ipconf"
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# Reconfigure routing and firewall if needed
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diff --brief "$file_ipconf" "$dir_ipconf/$file_ipconf" >/dev/null 2>&1
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if test $? != 0; then
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echo "Reconfiguring fw"
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mkdir -p "$dir_ipconf" 2>/dev/null
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cp "$file_ipconf" "$dir_ipconf/$file_ipconf"
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sv u /var/service/fw
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fi
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