diff options
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/Makemodule.am | 2 | ||||
-rwxr-xr-x | scripts/ifrename.sh.in | 65 |
2 files changed, 66 insertions, 1 deletions
diff --git a/scripts/Makemodule.am b/scripts/Makemodule.am index 3326860..5759ff0 100644 --- a/scripts/Makemodule.am +++ b/scripts/Makemodule.am @@ -1,3 +1,3 @@ -helper_SCRIPTS += scripts/devfs.sh scripts/trymount.sh +helper_SCRIPTS += scripts/devfs.sh scripts/trymount.sh scripts/ifrename.sh EXTRA_DIST += scripts/trymount.sh diff --git a/scripts/ifrename.sh.in b/scripts/ifrename.sh.in new file mode 100755 index 0000000..fee5444 --- /dev/null +++ b/scripts/ifrename.sh.in @@ -0,0 +1,65 @@ +#!/bin/sh +# +# SPDX-License-Identifier: GPL-3.0-or-later +# +# Copyright (C) 2018 - David Oberhollenzer +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <https://www.gnu.org/licenses/>. +# +NAMERULES="@ETCPATH@/netcfg/ifrename" +TMPPATH="/tmp/ifrename" + +[ -f "$NAMERULES" ] || exit 0 + +mkdir -p "$TMPPATH" + +for IFPATH in /sys/class/net/*; do + [ "$IFPATH" == "/sys/class/net/lo" ] && continue + + IF=`basename $IFPATH` + MAC=`cat $IFPATH/address` + + grep "^[^,]\+,[^,]\+,[a-zA-Z0-9]\+$" $NAMERULES | while read LINE; + do + NAMECMP=$(echo $LINE | cut -d',' -f1) + ADDRCMP=$(echo $LINE | cut -d',' -f2) + RULE=$(echo $LINE | cut -d',' -f3) + + case $IF in ($NAMECMP) ;; *) continue;; esac + case $MAC in ($ADDRCMP) ;; *) continue;; esac + + echo "$MAC,$IF" >> "$TMPPATH/$RULE" + break + done +done + +for FNAME in $TMPPATH/*; do + [ ! -f "$FNAME" ] && break + + IDX=0 + PREFIX=$(basename $FNAME) + + sort -t',' -k1 -u $FNAME | while read LINE; + do + OLDNAME=$(echo $LINE | cut -d',' -f2) + NEWNAME="$PREFIX$IDX" + IDX=`expr $IDX + 1` + + ip link set "$OLDNAME" name "$NEWNAME" + done + + rm "$FNAME" +done + +rmdir "$TMPPATH" |