| 1 | #!/bin/bash
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| 2 |
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| 3 | for link in /sys/class/net/* ; do
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| 4 | export DEVPATH=${link#/sys}
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| 5 | export INTERFACE=${DEVPATH#/class/net/}
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| 6 |
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| 7 | # whenever udev updates, this whitelist should be copied from
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| 8 | # /etc/udev/rules.d/75-persistent-net-generator.rules:
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| 9 | case "$INTERFACE" in
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| 10 | eth*|ath*|wlan*[0-9]|msh*|ra*|sta*|ctc*|lcs*|hsi*)
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| 11 | ;;
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| 12 | *)
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| 13 | continue
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| 14 | ;;
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| 15 | esac
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| 16 |
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| 17 | # read "address" and "type" attributes
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| 18 | export MATCHADDR=$(< $link/address)
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| 19 | export MATCHIFTYPE=$(< $link/type)
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| 20 |
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| 21 | # do not use locally administered or empty (all-zeros) MAC addresses
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| 22 | case "$MATCHADDR" in
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| 23 | ?[2367abef]:*|00:00:00:00:00:00)
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| 24 | continue
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| 25 | ;;
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| 26 | esac
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| 27 |
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| 28 | # ensure there's a driver
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| 29 | [ -L $link/device/driver ] || continue
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| 30 | export MATCHDRV=$(basename $(readlink $link/device/driver))
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| 31 |
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| 32 | # figure out what type of device this is
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| 33 | tgt=$(readlink $link/device)
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| 34 | case "$tgt" in
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| 35 | *pcmcia*)
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| 36 | card_id=$(< $link/device/card_id)
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| 37 | manf_id=$(< $link/device/manf_id)
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| 38 | export COMMENT="PCMCIA device ${card_id}:${manf_id} (${MATCHDRV})"
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| 39 | ;;
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| 40 | *ieee1394*)
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| 41 | host_id=$(< $link/device/host_id)
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| 42 | export COMMENT="Firewire device ${host_id} (${MATCHDRV})"
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| 43 | ;;
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| 44 | *usb*)
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| 45 | # PCMCIA devices might, possibly, hang off a USB bus
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| 46 | # (not likely, but it doesn't hurt)
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| 47 | vnd=$(< $link/device/idVendor)
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| 48 | prd=$(< $link/device/idProduct)
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| 49 | export COMMENT="USB device 0x${vnd}:0x${prd} (${MATCHDRV})"
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| 50 | ;;
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| 51 | *pci*)
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| 52 | # must be last: other types hang off the PCI bus too
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| 53 | vnd=$(< $link/device/vendor)
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| 54 | dev=$(< $link/device/device)
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| 55 | export COMMENT="PCI device ${vnd}:${dev} (${MATCHDRV})"
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| 56 | ;;
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| 57 | *)
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| 58 | export COMMENT="Unknown-subsystem device (${MATCHDRV})"
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| 59 | ;;
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| 60 | esac
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| 61 |
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| 62 | # don't worry about normal output, only errors
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| 63 | /lib/udev/write_net_rules >/dev/null
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| 64 | done
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