66 lines
1.4 KiB
Bash
66 lines
1.4 KiB
Bash
#!/bin/sh
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#
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# Copyright (C) 2011 OpenWrt.org
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#
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. /lib/functions/uci-defaults.sh
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. /lib/ar71xx.sh
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board=$(ar71xx_board_name)
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findmtd() {
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local partname="$1"
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grep "\"$partname\"" /proc/mtd | awk -F: '{ print $1 }'
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}
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getcalmac() {
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local partname="$1"
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local offset="$2"
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hexdump -e '17/1 "%c"' -s $offset -n 17 /dev/$(findmtd $partname) | tr -d : | tr 'A-Z' 'a-z'
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}
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calcmacX() {
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local mac="$1"
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local X="$2"
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local oui="$(expr substr "$mac" 1 6)"
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local end="$(expr substr "$mac" 7 12)"
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echo -n $oui
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expr substr "$(printf "%6lx" "$(($(printf "%lu" 0x${end}) + $X))")" 1 6
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}
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getifmac() {
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local ifname="$1"
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local ifmac
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ifmac="$(ifconfig "$ifname" | grep HWaddr)"
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ifmac="${ifmac#*HWaddr }"
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ifmac="${ifmac%% *}"
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echo "$ifmac" | tr -d : | tr 'A-Z' 'a-z'
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}
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case "$board" in
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dir-825-b1)
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mac1="$(getcalmac caldata 65440)"
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mac1="$(calcmacX "$mac1" 2)"
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mac2="$(calcmacX "$mac1" 1)"
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if grep -q '"owrt_caldata"' /proc/mtd && [ "$mac1" = "$(getifmac eth0)" ] && [ "$mac2" = "$(getifmac eth1)" ]; then
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dd if=/dev/$(findmtd caldata) of=/dev/$(findmtd owrt_caldata) bs=65536 count=1
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fi
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;;
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dir-825-b1-tostock)
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mac1="$(getcalmac owrt_caldata 65440)"
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mac1="$(calcmacX "$mac1" 2)"
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mac2="$(calcmacX "$mac1" 1)"
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if grep -q '"owrt_caldata"' /proc/mtd && [ "$mac1" = "$(getifmac eth0)" ] && [ "$mac2" = "$(getifmac eth1)" ]; then
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dd if=/dev/$(findmtd owrt_caldata) of=/dev/$(findmtd caldata) bs=65536 count=1
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fi
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;;
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esac
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return 0
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