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Code

rules_generator: skip random MAC addresses

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This commit is contained in:
Kay Sievers 2007-08-02 21:19:41 +02:00
parent b5485961d7
commit dcfa2acce3
3 changed files with 22 additions and 11 deletions
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27
extras/rule_generator/75-persistent-net-generator.rules
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@ -1,22 +1,33 @@
# do not edit this file, it will be overwritten on update
# these rules generate rules for persistent network device naming
ACTION=="add", SUBSYSTEM=="net", KERNEL=="eth*|ath*|wlan*|ra*|sta*|ctc*|lcs*|hsi*" \
NAME!="?*", DRIVERS=="?*", GOTO="persistent_net_generator_do"
ACTION!="add", GOTO="persistent_net_generator_end"
SUBSYSTEM!="net", GOTO="persistent_net_generator_end"
GOTO="persistent_net_generator_end"
LABEL="persistent_net_generator_do"
# device name whitelist
KERNEL!="eth*|ath*|wlan*|ra*|sta*|ctc*|lcs*|hsi*", GOTO="persistent_net_generator_end"
# build device description string to add a comment the generated rule
# ignore the interface if a name has already been set
NAME=="?*", GOTO="persistent_net_generator_end"
# ignore Xen virtual interfaces
SUBSYSTEMS=="xen", GOTO="persistent_net_generator_end"
# build device description string to add a comment to the generated rule
SUBSYSTEMS=="pci", ENV{COMMENT}="PCI device $attr{vendor}:$attr{device} ($driver)"
SUBSYSTEMS=="usb", ENV{COMMENT}="USB device 0x$attr{idVendor}:0x$attr{idProduct} ($driver)"
SUBSYSTEMS=="pcmcia", ENV{COMMENT}="PCMCIA device $attr{card_id}:$attr{manf_id} ($driver)"
SUBSYSTEMS=="ccwgroup", ENV{COMMENT}="S/390 $driver device at $id", ENV{NETDEV}="$id", ENV{NETDRV}="$driver"
SUBSYSTEMS=="ieee1394", ENV{COMMENT}="Firewire device $attr{host_id})"
SUBSYSTEMS=="xen", ENV{COMMENT}="Xen virtual device"
ENV{COMMENT}=="", ENV{COMMENT}="$env{SUBSYSTEM} device ($driver)"
ENV{NETDEV}=="?*", IMPORT{program}="write_net_rules --driver $env{NETDRV} --id $env{NETDEV}"
ENV{NETDEV}!="?*", IMPORT{program}="write_net_rules $attr{address}"
DRIVERS!="?*", ENV{NETDEV}=="?*", IMPORT{program}="write_net_rules --driver $env{NETDRV} --id $env{NETDEV}"
# skip "locally administered" MAC addresses
ATTR{address}=="?[2367abef]:*", GOTO="persistent_net_generator_end"
DRIVERS!="?*", ENV{NETDEV}!="?*", IMPORT{program}="write_net_rules $attr{address}"
ENV{INTERFACE_NEW}=="?*", NAME="$env{INTERFACE_NEW}"
LABEL="persistent_net_generator_end"

2
extras/rule_generator/rule_generator.functions
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@ -93,5 +93,5 @@ find_all_rules() {
local match="$3"
local search='.*[[:space:],]'"$key"'"\('"$linkre"'\)"[[:space:]]*\(,.*\|\\\|\)$'
echo $(sed -n -e "${match}s/${search}/\1/p" $RO_RULES_FILE $RULES_FILE)
echo $(sed -n -e "${match}s/${search}/\1/p" $RO_RULES_FILE $RULES_FILE 2>/dev/null)
}

4
extras/rule_generator/write_net_rules
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@ -115,12 +115,12 @@ fi
# the DRIVERS key is needed to not match bridges and VLAN sub-interfaces
if [ "$MAC_ADDR" ] ; then
match="DRIVERS==\"?*\", ATTRS{address}==\"$MAC_ADDR\""
match="DRIVERS==\"?*\", ATTR{address}==\"$MAC_ADDR\""
else
match="DRIVERS==\"$DRIVER\", KERNELS==\"$ID\""
fi
if [ $basename = "ath" -o $basename = "wlan" ]; then
match="$match, ATTRS{type}==\"1\"" # do not match the wifi* interfaces
match="$match, ATTR{type}==\"1\"" # do not match the wifi* interfaces
fi
write_rule "$match" "$INTERFACE" "$COMMENT"