kyopages/scripts/getIp

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#!/bin/bash
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version=0.7.1
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date="17/08/2017"
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projet="simpledeb"
contact="IRC freenode ##sdeb ou https://framagit.org/kyodev/kyopages/issues"
script="getIp"
urlScript="https://framagit.org/kyodev/kyopages/raw/master/scripts/$script"
##### license LPRAB/WTFPL
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# auteur: simpledeb
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# contributeurs: kyodev
#####
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# affichage $1 en rouge, $1++ optionnels en bleu, sortie script sur erreur, log $1 si upgrade($opType)
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f__error() { # v16/08/2017
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echo -e "\n$RED Erreur critique: $1 $COLOR"
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for (( i=2 ; i<=$# ; i++ )); do echo -e " $BLUE${!i}"; done
echo "$COLOR"
if [ "$opType" == "upgrade" ]; then f__log "$script $version: $1"; fi
exit 1
}
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# affichage des paramètres en bleu, si $1=raw, pas d'espace en début de ligne, pas de ligne vide à la fin
f__info() { # v16/08/2017
if [ "$1" == "raw" ]; then depart=2;
else local espace=" "; local depart=1; fi
for (( i=$depart ; i<=$# ; i++ )); do echo -e "$espace$BLUE${!i}"; done
[ "$1" == raw ] && printf "$COLOR" || echo "$COLOR"
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}
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# log spécifique, fichier log limité à 10000octets, $1 message à loguer
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f__log(){ # v08/2017
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if [ -w "$fileLogs" ]; then
if [ "$(stat -c %s $fileLogs)" -ge "10000" ]; then
echo "$(date +%Y%m%d\ %H%M%S) $1" &>/dev/null > "$fileLogs"
else
echo "$(date +%Y%m%d\ %H%M%S) $1" &>/dev/null >> "$fileLogs"
fi
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else
f__info "$fileLogs doit être activé"
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fi
}
# user ayant initié la session graphique, assigne $user_, testé avec mate, gnome, xfce. manque KDE
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# return 1 sur echec ident user, return 2 sur absence home
# gestion variable environnement user avec: USER_INSTALL=user script
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f__user(){ # v17/08/2017-4
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local user_id
if [ "$USER_INSTALL" ]; then user_="$USER_INSTALL"; fi # user_ via variable environnement
if [ -z "$user_" ]; then # priorité à $USER_INSTALL
if [ "$SUDO_UID" ]; then user_id="$SUDO_UID"; fi # sudo
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user_id="$(grep -qEo '[0-9]+' <<< "$XAUTHORITY")" || user_id="$(grep -qEo '[0-9]+' <<< $XDG_RUNTIME_DIR)"
if [ "$user_id" ]; then user_="$(grep $user_id /etc/passwd | cut -d ":" -f 1 )"
else user_="$(echo $XAUTHORITY | cut -d "/" -f 3)"; fi
if [ -z "$user_" ] && [ "$LOGNAME" ] ; then user_="$(grep -v 'root' <<< $LOGNAME)"
elif [ -z "$user_" ] && [ "$(grep -v 'root' <<< $HOME)" ]; then user_="$(cut -sd / -f 3 <<< $HOME)"
elif [ -z "$user_" ]; then user_="$(grep -v 'root' <<< $(who | head -n1 | cut -d ' ' -f1))"; fi
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fi
if [ -z "$user_" ]; then
echo -e "user indéterminé, pour contourner, lancer le script avec:\n USER_INSTALL=user $0 n" \
"merci contacter $projet $contact pour corriger ça"
return 1
fi
if [ ! -d "/home/$user_" ]; then
echo -e "répertoire '/home/$user_' INEXISTANT"
return 2
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fi
}
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# inscription dans tache upgrade en anacron hebdomadaire, via cron horaire
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fscript_cronAnacron(){ # v17/08/2017
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local dirAnacron="/home/$user_/.config/anacron"
local dirSpool="$dirAnacron/spool"
local fileAnacron="$dirAnacron/$script.anacrontab"
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sed -i "/$script.anacrontab/d" /etc/crontab
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case "$1" in
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install | upgrade )
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mkdir -p "$dirAnacron"
# table anacron
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echo "7 01 $script nice /opt/bin/$script --upgrade" > "$fileAnacron"
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## test: anacron journalier: echo "1 01 $script test nice /opt/bin/$script --upgrade 2>/dev/null" >> "$fileAnacron"
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# création spool anacron utilisateur
mkdir -p "$dirSpool"
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chown -R "$user_": "$dirAnacron" "$dirSpool"
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if [ $EUID -eq 0 ]; then
# crontab pour activation horaire anacron
echo "@hourly $user_ /usr/sbin/anacron -t $fileAnacron -S $dirSpool" >> /etc/crontab
service cron restart &>/dev/null || /etc/init.d/cron restart &>/dev/null || f__info "redémarrer cron ou le PC"
fi
[ "$(grep "$script" /etc/crontab)" ] || echo f__error "inscription crontab" \
"certains systèmes semblent poser poser problème, merci de rapporter ce bug à $projet $contact"
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;;
remove )
rm "$dirSpool/$script"* &>/dev/null
rm "$fileAnacron" &>/dev/null
rmdir "$dirSpool" "$dirAnacron" &>/dev/null
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service cron restart &>/dev/null || /etc/init.d/cron restart &>/dev/null || f__info "redémarrer cron ou le PC"
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;;
esac
}
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# mise à jour script si dispo
fscript_dl(){ # v17/08/2017
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if [ "$script_aJour" == "ok" ]; then return 0; fi
local dirTemp="/tmp/$script-$RANDOM/"
mkdir -p "$dirTemp"
opType="upgrade"
wget -q --show-progress --tries=2 --timeout=15 -O "$dirTemp$script" "$urlScript"
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if [ "$?" != "0" ]; then f__wget_test "$urlScript"; fi
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chmod 755 "$dirTemp$script"
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chown "$user_": "$dirTemp$script"
cp -d "$dirTemp$script" /opt/bin/"$script"
rm -rf "$dirTemp"
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fscript_cronAnacron "upgrade"
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f__info "\n $script mis à jour en version $versionScript"
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f__log "$script mis à jour en version $versionScript"
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$0 upgrade # spécifique getFlash, script mis à jour, on relance le script en upgrade pour le plugin
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exit 0
}
# version script en ligne, assigne $versionScript, $script_aJour=ok|ko
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fscript_get_version(){ # v08/2017
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if ! which wget &>/dev/null; then f__info "wget manquant"; return 1; fi #spécifique getIp
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versionScript="$(wget -q --tries=2 --timeout=15 -O - "$urlScript" | grep '^version=' | cut -d '=' -f 2)"
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if [ "$?" != "0" ]; then f__error "erreur chargement, réessayer plus tard"; fi #spécifique getIp
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if [ "$versionScript" ]; then
if [ "$version" != "$versionScript" ]; then
f__info "version script en ligne: $versionScript, mise à jour possible"
script_aJour="ko"
else
f__info "version script en ligne: $versionScript"
script_aJour="ok"
fi
else f__info "version script en ligne non accessible"; fi
}
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# installation du script dans le système
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fscript_install(){ # v08/2017
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if ! which wget &>/dev/null; then f__error "wget manquant pour exploiter ce script"; fi #spécifique getIp
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if dirname "$0" | grep -q 'bin' ; then
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f__info "$script $version est déjà installé"
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return 1
fi
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[ $EUID -eq 0 ] || f__error "vous devez être ROOT pour installer ce script dans le système"
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# install /opt
mkdir -p /opt/bin/
cp -d "$(basename $0)" "/opt/bin/$script"
ln -s "/opt/bin/$script" "/usr/bin/$script" &>/dev/null
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chmod 755 "/opt/bin/$script"
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# cron/anacron install
fscript_cronAnacron "install"
# création fichier log
touch "$fileLogs"
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chmod 644 "$fileLogs"
chown "$user_": "$fileLogs" "/opt/bin/$script"
[ -f "$script"_changelog.md ] || rm "$(basename $0)" &>/dev/null ## on efface pas si changelog (dev)
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f__info "$GREEN$script $version installé dans le système." "maintenant, appel du script par:$GREEN $script$BLUE (sans ./)"
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f__log "$script $version installé dans le système"
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exit 0
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}
# suppression du script dans le système
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fscript_remove(){ # v08/2017
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[ $EUID -eq 0 ] || f__error "vous devez être ROOT pour supprimer ce script dans le système"
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# suppression de /opt
rm /opt/bin/"$script" &>/dev/null
unlink /usr/bin/"$script" &>/dev/null
# cron/anacron remove
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fscript_cronAnacron "remove"
f__info "$GREEN$script $version supprimé du système."
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f__log "$script $version supprimé du système"
}
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fi_help(){
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f__info "\n $GREEN $script $version$BLUE"
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cat << 'EOF'
----------------------------------------------------------------------
./getIo : exécution normale
getIp : exécution normale si script installé dans le système
ce script requiert une des commandes suivantes pour déterminer l'ip publique :
dig (dnsutils) / wget / curl / telnet / nc
options:
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-h, --help : affichage aide
-4, --ip4 : affiche ipv4 public
-6, --ip6 : affiche ipv6 public
"", --local : affiche ip / passerelle privées
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-i, --install : installation du script dans le système
-r, --remove : suppression du script dans le système
-u, --upgrade : upgrade script si maj possible
-v, --version : version du script, en ligne et en cours d'exécution
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EOF
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printf "$COLOR\n"
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}
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get_ip() { # $ip_local, $gateway, $gateway_type, $gateway_one, $ip_local, $ip_local_type, $ifname, $ifname_type
ip_local=$(ip route | awk '/proto.*src/ {print $9, "pour",$3}')
gateway=$(ip route | awk '/default.*via/ {print $3, "pour", $5}')
gateway_one=$(head -n 1 <<< $gateway | awk '{print $1}')
ifname=$(ip route | awk '/proto.*src/ {print $3}')
gateway_type=$(sed -E 's/(^.*wl.*)/\1 (wifi)/;s/(^.*en.*|^.*eth.µ)/\1 (ethernet)/' <<< $gateway)
ip_local_type=$(sed -E 's/(^.*wl.*)/\1 (wifi)/;s/(^.*en.*|^.*eth.*)/\1 (ethernet)/' <<< $ip_local)
ifname_type=$(sed -E 's/(^wl.*)/\1 (wifi)/;s/(^en.*|^eth.*)/\1 (ethernet)/' <<< $ifname)
}
get_ip_public(){ # $1=IPv4|IPv6, assigne $ip_public
list_ip4(){
ip_test+=" http://whatismyip.akamai.com"
ip_test+=" http://ipof.in/txt"
ip_test+=" http://eth0.me"
ip_test+=" http://ipecho.net/plain"
ip_test+=" http://alma.ch/myip.cgi"
ip_test+=" http://checkip.amazonaws.com"
ip_test+=" http://eth0.me"
ip_test+=" http://ipecho.net/plain"
ip_test+=" api.infoip.io/ip" # http & https
ip_test+=" api.ipify.org" # http & https
ip_test+=" ipinfo.io/ip" # http & https
# ip_test+=" https://4.ifcfg.me" #down avec wget!
}
list_ip6(){
ip_test+=" http://ipv6.whatismyip.akamai.com"
ip_test+=" http://bot.whatismyipaddress.com"
ip_test+=" ip.tyk.nu" # http & https
ip_test+=" l2.io/ip" # http & https
ip_test+=" ident.me" # http & https
ip_test+=" icanhazip.com" # http & https
ip_test+=" wgetip.com" # http & https
ip_test+=" https://canhazip.com"
ip_test+=" https://tnx.nl/ip"
# ip_test+=" http://smart-ip.net/myip" #down avec wget?!
# ip_test+=" https://6.ifcfg.me" #down avec wget?!
}
list_ip4_dig(){
dig_test+=" whoami.akamai.net/@ns1-1.akamaitech.net"
dig_test+=" myip.opendns.com/@resolver1.opendns.com"
dig_test+=" myip.opendns.com/@resolver2.opendns.com"
dig_test+=" myip.opendns.com/@resolver3.opendns.com"
dig_test+=" myip.opendns.com/@resolver4.opendns.com"
}
list_ip6_dig(){
dig_test+=" -6/myip.opendns.com/aaaa/@resolver1.ipv6-sandbox.opendns.com"
dig_test+=" -6/myip.opendns.com/aaaa/@resolver2.ipv6-sandbox.opendns.com"
}
unset ip_public
local dig_test
local ip_test
if [ "$1" == "IPv4" ]; then
list_ip4_dig
list_ip4
ip_telnet=4.ifcfg.me
elif [ "$1" == "IPv6" ]; then
list_ip6_dig
list_ip6
ip_telnet=6.ifcfg.me
else return 1; fi
if which dig &>/dev/null && [ -z "$ip_public" ]; then
for ii in $dig_test ; do
ip_public=$(dig +short $(sed 's;/; ;g' <<< $ii))
[ "$ip_public" ] && break
done
fi
if which wget &>/dev/null && [ -z "$ip_public" ]; then
cmd="wget --quiet --tries=1 --timeout=5 -O - "
for ii in $ip_test ; do
ip_public=$($cmd $ii)
[ "$ip_public" ] && break
done
fi
if which curl &>/dev/null && [ -z "$ip_public" ]; then
cmd="curl --silent --location --retry 0 --max-time 5" #--location pour aider redirections
for ii in $ip_test ; do
ip_public=$($cmd $ii)
[ "$ip_public" ] && break
done
fi
if which telnet &>/dev/null && [ -z "$ip_public" ]; then
ip_public=$(telnet $ip_telnet 23 2>/dev/null | grep $1 | cut -d ' ' -f 4)
fi
if which nc &>/dev/null && [ -z "$ip_public" ] && [ "$1" != "IPv6" ]; then
ip_public=$(nc $ip_telnet 23 2>/dev/null | grep $1 | cut -d ' ' -f 4)
fi
if [ -z "$ip_public" ]; then
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f__info "il manque une des commandes suivantes:\n" \
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"dig / wget / curl / telnet / nc \n" \
"ou les ip de test sont devenues défaillantes\n" \
"réessayer après avoir installé dig (dnsutils) et wget\n" \
"si l'erreur persiste, merci de prévenir $projet $contact"
fi
}
# initialisation
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PATH='/usr/sbin:/usr/bin:/sbin:/bin' ; IFS=' '
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GREEN="$(printf "\033[0;32m")" # ok
BLUE="$(printf "\033[0;34m")" # info
RED="$(printf "\033[0;31m")" # alerte
COLOR="$(printf "\033[0m")" # standard
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fileLogs="/var/log/sdeb_$script.log"
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options="$@"
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for i in "$options"; do
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case $i in
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--install | -i ) f__user && fscript_install ;; # installation du script dans le système
--remove | -r ) f__user && fscript_remove ;; # suppression du script dans le système
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--upgrade | -u )
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opType="upgrade"
f__user || f__error "user indéterminé ou home inexistant"
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fscript_get_version
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fscript_dl ;; # upgrade script si maj possible
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--ip4 | -4 )
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get_ip_public "IPv4"
echo "$ip_public" ;; # affiche ip v4 public
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--ip6 | -6 )
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get_ip_public "IPv6"
echo "$ip_public" ;; # affiche ip v6 public
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--local | "" )
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get_ip
echo "ip $ip_local"
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echo "passerelle $gateway" ;; # affiche ips locales et passerelles
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--version | -v )
f__info "$GREEN""version script en cours: $version"
fscript_get_version ;; # version du script, en ligne et exécuté
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--help | -h | * ) fi_help ;; # affichage help
esac
done
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exit 0
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wget -O getIp https://framagit.org/kyodev/kyopages/raw/master/scripts/getIp
chmod +x getIp && ./getIp