postgresql/contrib/mac/createoui
Thomas G. Lockhart aa2a3bfd48 Create and manage information on MAC address OUIs
(Organizationally Unique Identifiers).
 This is the manufacturer's code in the MAC address.
2000-08-23 06:02:23 +00:00

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#! /bin/sh
# Utility to create manufacturer's oui table
# OUI is "Organizationally Unique Identifier" assigned by IEEE.
# There are currently three duplicate listings, so we can not enforce
# uniqueness in the OUI field.
# - thomas 2000-08-21
args=
update=0
while [ $# -gt 0 ]
do
case "$1" in
--update)
update=1
;;
--noupdate)
update=0
;;
--help)
echo "Usage: $0 --[no]update dbname"
exit
;;
*)
args="$args $1"
;;
esac
shift
done
psql -e $args <<EOF
-- Table containing OUI portions of MAC address and manufacturer's name
create table macoui (
addr macaddr not null,
name text not null
);
-- Create an index to help lookups
create index macoui_idx on macoui (addr);
-- Function to return manufacturer's name given MAC address
create function manuf (macaddr)
returns text as '
select name from macoui m where trunc(\$1) = m.addr;
' language 'SQL';
EOF
if [ $update -gt 0 ]; then
updateoui $args
fi
exit