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authorDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-11-05 15:28:18 +0100
committerDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-11-05 16:11:47 +0100
commit021fa432447bd7b447ca39738040698db39d751b (patch)
tree66c0e46dfd952ce6de6043916f3eb9e2d92e62e2 /scripts/ifrename.sh.in
Initial commitv1
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
Diffstat (limited to 'scripts/ifrename.sh.in')
-rwxr-xr-xscripts/ifrename.sh.in47
1 files changed, 47 insertions, 0 deletions
diff --git a/scripts/ifrename.sh.in b/scripts/ifrename.sh.in
new file mode 100755
index 0000000..0820c94
--- /dev/null
+++ b/scripts/ifrename.sh.in
@@ -0,0 +1,47 @@
+#!/bin/sh
+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"