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iw-set-regdomain: broaden no-country zones, resolve aliases #246

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iw-set-regdomain: broaden no-country zones, resolve aliases #246

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29 changes: 20 additions & 9 deletions usr/lib/iw-set-regdomain
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Original file line number Diff line number Diff line change
Expand Up @@ -55,19 +55,30 @@ then
exit 1
fi

# Zones with no single associated country
case "$ZONE" in
UTC|UCT|Universal|Zulu|GMT|GMT[+-]0|GMT0|Greenwich|Factory|posixrules|\
CET|EET|WET|MET|EST|MST|HST|EST5EDT|CST6CDT|MST7MDT|PST8PDT|\
Etc/*)
$LOGGER "Timezone is $ZONE, with no associated country. Not setting wireless regulatory domain."
exit 0
;;
esac

# Resolve backward-compat aliases (e.g. Asia/Calcutta) to their canonical name
TZDATA_ZI=/usr/share/zoneinfo/tzdata.zi
if [ -f "$TZDATA_ZI" ]
then
CANON=$(awk -v z="$ZONE" '$1=="L" && $3==z {print $2; exit}' "$TZDATA_ZI")
[ -n "$CANON" ] && ZONE=$CANON
fi

COUNTRY=$(getcountry)

if [ -z "$COUNTRY" ]
then
case "$ZONE" in
UTC|UCT|Universal|Zulu|GMT|Etc/UTC|Etc/UCT|Etc/Universal|Etc/Zulu|Etc/GMT)
$LOGGER "Timezone is $ZONE, with no associated country. Not setting wireless regulatory domain."
exit 0
;;
esac

$LOGGER -s "Could not determine country for $ZONE. Unable to set wireless regulatory domain."
exit 1
$LOGGER -s "Could not determine country for $ZONE. Unable to set wireless regulatory domain."
exit 1
fi

$LOGGER "Setting regulatory domain to $COUNTRY based on timezone ($ZONE)."
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