kyopages/scripts/getIp

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#!/bin/bash
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version=1.12.0
date="11/10/2017"
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projet="simpledeb"
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contact="IRC freenode ##sdeb ou https://framagit.org/kyodev/kyopages/issues/"
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script="getIp"
urlScript="https://framagit.org/kyodev/kyopages/raw/master/scripts/$script"
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urlNotice="https://kyodev.frama.io/kyopages/scripts/getIp/"
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##### license LPRAB/WTFPL
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# auteur: simpledeb
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# contributeurs: kyodev
#####
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f__affichage(){ # 27/08/2017 définition couleurs
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f__color
}
f__color(){ # 08/10/2017
YELLOW=$(tput setaf 3) # question
GREEN=$(tput setaf 2) # ok
BLUE=$(tput setaf 4) # info
RED=$(tput setaf 1) # alerte
STD=$(tput sgr0) # retour normal
MAGENTA=$(tput setaf 5)
CYAN=$(tput setaf 6)
BOLD=$(tput bold)
ITAL=$(tput sitm)
SOUL=$(tput smul)
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}
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# affichage $1 en rouge, $1++ optionnels en bleu, sortie script sur erreur, log $1 si $opType=upgrade
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f__error(){ # 08/10/2017
echo -e "\n$RED $script $version, erreur critique: $1 $STD"
for (( i=2 ; i<=$# ; i++ )); do
echo -e " $BLUE${!i}$STD"
done
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unset i
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echo
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if [ "$opType" == "upgrade" ]; then f__log "$script $version: $1"; fi
exit 1
}
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# affichage des paramètres en bleu, si $1=raw pas de ligne vide à la fin, si $1=log alors uniquement $2 logué
f__info(){ # 08/10/2017
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local depart=1
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if [ "$1" == "raw" ] || [ "$1" == "log" ]; then depart=2; fi
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[ "$1" == "log" ] && f__log "$(sed -E 's/\\t//;s/\\n// ' <<< $2 | xargs )"
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for (( i=$depart ; i<=$# ; i++ )); do
echo -e " $BLUE${!i}$STD"
done
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unset i
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[ "$1" == raw ] || echo
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}
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# log spécifique, fichier log limité à 10000octets, $1 message à loguer
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f__log(){ # 08/09/2017
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if [ -w "$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
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f__info "$fileLogs doit être activé" "Réinstaller un script plus récent" \
"voir $GREEN""$urlNotice#installation-rapide-du-script"
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fi
}
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# test dépendances/paquets, $1 liste commande[>paquet] (ex: killall>psmisc)
# si manque, SORTIE & info commandes manquantes, si debian, SORTIE & proposition paquet à installer
# si $2=debOnly et si paquets manquants: return 1 et $debOnlyPackages ( $1=liste paquets )
# si $2=debOnly et si paquets présent: return 0 et $debOnlyPresents ( $1=liste paquets )
# attention priorité $debOnlyPackages sur $debOnlyPresents
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f__requis(){ # 22/09/2017
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local dependsMissing packagesMissing command package
unset debOnlyPackages debOnlyPresents
for i in $1; do
command="$(cut -d '>' -f 1 <<< $i)"
package="$(cut -d '>' -f 2 <<< $i)"
if [ "$2" == "debOnly" ]; then
if [ "$(which dpkg)" ]; then # package only et debian
LC_ALL=C dpkg --get-selections | grep -qE "^$package[[:space:]]+install" \
&& debOnlyPresents+="$package " || debOnlyPackages+="$package "
else f__error "dpkg n'est pas disponible sur ce système"; fi
elif [ -z "$(which $command)" ]; then
dependsMissing+="$command "
packagesMissing+="$package "
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fi
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done
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unset i
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[ "$debOnlyPackages" ] && debOnlyPackages="$(xargs <<< $debOnlyPackages)" # trim début & fin
[ "$debOnlyPresents" ] && debOnlyPresents="$(xargs <<< $debOnlyPresents)" # trim début & fin
[ "$debOnlyPackages" ] && return 1
[ "$debOnlyPresents" ] && return 0
if [ "$dependsMissing" ]; then
if [ -e /etc/debian_version ]; then f__error "paquet(s) manquant(s): " " $dependsMissing" \
" vous devriez exécuter:$GREEN apt install $packagesMissing"
else f__error "commandes(s) manquante(s): " "$dependsMissing"; fi
fi
}
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# $1=cmd si $2: nb de tentatives pour s'identifier, sinon 1 tentative par défaut
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f__sudo(){ # 11/10/2017
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local nb=1 sudo isudo
# sudo --shell bash équivalent su ?
if sudo -v &>/dev/null && [ $EUID -ne 0 ] ; then
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sudo="sudo su --shell $(which bash) --preserve-environment -c "
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else
sudo="su --shell $(which bash) --preserve-environment -c "
fi
[ "$2" ] && nb="$2"
for (( isudo=1 ; isudo<="$nb" ; isudo++ )); do
$sudo " $1"
[ "$?" == 0 ] && break
[ "$isudo" == "$nb" ] && return 1
done
}
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# user ayant initié la session graphique, assigne $user_
# return 1 sur échec identification user, return 2 sur absence home/
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# gestion variable environnement user avec: USER_INSTALL=user script
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f__user(){ # 06/10/2017
local user_id test root_login
root_login="$(grep ':0:' /etc/passwd | cut -d':' -f1)" || root_login="root"
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if [ "$USER_INSTALL" ]; then # user_ via variable environnement, moyen d'injecter root
user_="$USER_INSTALL";
return 0
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elif [[ "$TERM" =~ linux ]]; then #debian 9 recovery ou nomodeset TERM=linux
if [ "$USER" ]; then
user_="$USER"
elif [ "$EUID" -eq 0 ]; then
user_="$root_login"
return 0
fi
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fi
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if [ "$SUDO_UID" ]; then
user_id="$SUDO_UID";
elif grep -qEo '[0-9]+' <<< "$XDG_RUNTIME_DIR" ; then
user_id="$(grep -Eo '[0-9]+' <<< $XDG_RUNTIME_DIR | cut -d'/' -f4)"
elif grep -qEo '[0-9]+' <<< "$XAUTHORITY" ; then
user_id="$(grep -Eo '[0-9]+' <<< $XAUTHORITY | cut -d'/' -f4)"
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fi
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[ "$user_id" ] && user_="$(grep $user_id /etc/passwd | cut -d ":" -f 1 )"
if [ "$user_" ] && [ "$user_" != "$root_login" ]; then
return 0
else
if [ "$SUDO_USER" ] && [ "$SUDO_USER" != "$root_login" ]; then
user_="$SUDO_USER";
elif grep -qv 'root' <<< "$(who)"; then
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user_="$(grep -v 'root' <<< $(who) | head -n1 | cut -d ' ' -f1)"; # grep -v 'root' <<< $(who) | awk 'FNR==1{print $1}'
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elif grep -q 'hourly.*get[A-Z].*\.anacrontab.*\.config/anacron/spool' /etc/crontab; then
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user_="$(grep 'hourly.*get[A-Z].*\.anacrontab.*\.config/anacron/spool' /etc/crontab | head -n1 | cut -d' ' -f2)"; # grep 'hourly.*get[A-Z].*\.anacrontab.*\.config/anacron/spool' /etc/crontab | awk 'FNR==1{print $2}
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fi
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fi
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if [ -z "$user_" ]; then return 1; fi
if [ ! -d "/home/$user_" ]; then return 2; fi
return 0
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}
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# test wget, $1 url à tester, sortie du script si $1 seul (même si url testée ok)
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# si $2=print affiche url testée & entêtes http & location (si présente) et sortie normale fonction
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# si $2=loc affiche seulement location et sortie normale fonction
# si $2=test return 0 si ok, return 1 si ko
f__wget_test(){ # 08/10/2017
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local file_test_wget retourWget retourHttp location
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file_test_wget="/tmp/testWget-$$-$RANDOM"
wget -Sq --tries=1 --timeout=10 --user-agent="$user_agent" --spider --save-headers "$1" &>"$file_test_wget"
retourWget="$?"
[ "$2" == "test" ] && rm "$file_test_wget"
[ "$2" == "test" ] && [ "$retourWget" == "0" ] && return 0 || return 1
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[ "$retourWget" == 1 ] && retourWget="code erreur générique"
[ "$retourWget" == 2 ] && retourWget="parse erreur (ligne de commande?)"
[ "$retourWget" == 3 ] && retourWget="erreur Entrée/sortie fichier"
[ "$retourWget" == 4 ] && retourWget="défaut réseau"
[ "$retourWget" == 5 ] && retourWget="défaut vérification SSL"
[ "$retourWget" == 6 ] && retourWget="défaut authentification"
[ "$retourWget" == 7 ] && retourWget="erreur de protocole"
[ "$retourWget" == 8 ] && retourWget="réponse serveur en erreur"
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retourHttp="$(grep -i 'HTTP/' "$file_test_wget" | tr -d '\n' | xargs)"
location="$(grep -i 'location' $file_test_wget | xargs)"
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if [ "$2" == "print" ]; then
if [ "$retourWget" ]; then
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echo "erreur wget: $RED$retourWget"
echo -e "$BLUE $1$STD\t$RED $retourHttp"
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else
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echo -e "$BLUE $1$STD\t$GREEN $retourHttp"
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fi
fi
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if [ "$2" == "print" ] || [ "$2" == "loc" ]; then
[ "$location" ] && echo "$YELLOW $location" || echo "$YELLOW no location"
echo "$STD"
return 0
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fi
if [ "$retourWget" ]; then
rm "$file_test_wget"
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f__error "erreur wget, $retourWget" "$1" "$YELLOW$retourHttp" \
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"si persistance, contacter $projet $contact en indiquant les messages précédents"
fi
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if [ "$(grep -c '200' <<< $retourHttp)" -ne 0 ]; then
echo -e "$GREEN\ntout est ok, réessayer\n$STD"
fi
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rm "$file_test_wget"
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exit 0
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}
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f_help(){ # 08/10/2017
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f__info "\n $GREEN$script $version$BLUE"
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cat << 'EOF'
----------------------------------------------------------------------
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./getIp : exécution normale
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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
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'', --local : affiche adresses mac / ip privées / passerelle
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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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echo -e "$STD plus d'infos: $GREEN$urlNotice\n"
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}
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# assigne $ip_local, $gateway, $gateway_type, $gateway_one, $ip_local, $ip_local_type
# $ifnames, $ifnames_type, $mac_address, mac_address_type
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figet_ip(){ # 02/10/2017
local ifn
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[ -z "$(which ip)" ] && return 1
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ip_local="$(sed '/lo.*inet/d; /inet6.*scope global/d' <<< "$(ip -o a)" | awk '{print " ",$4,"(",$2,")"}')"
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ip_local_type="$(sed -E 's/(^.*wl.*)/\1 (wifi)/;s/(^.*en.*|^.*eth.*)/\1 (ethernet)/' <<< $ip_local)"
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gateway="$(LC_ALL=C ip -4 route | awk '/default via/ {print " ",$3,"(",$5,")"}'; LC_ALL=C ip -6 route | awk '/default via/ {print " ",$3,"(",$5,")"}')"
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gateway_type="$(sed -E 's/(^.*wl.*)/\1 (wifi)/;s/(^.*en.*|^.*eth.*)/\1 (ethernet)/' <<< $gateway)"
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gateway_one="$(awk 'FNR==1 {print " ",$1}' <<< $gateway)"
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for ifn in $(ls /sys/class/net/) ; do
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[ "$ifn" != "lo" ] && ifnames+=" $ifn"$'\n'
[ "$ifn" != "lo" ] && mac_address+=" $ifn: $(< /sys/class/net/$ifn/address)"$'\n'
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done
ifnames="$(sed '/^$/d' <<< $ifnames)" # suppression \n final
ifnames_type+="$(sed -E 's/(^.*wl.*)/\1 (wifi)/;s/(^.*en.*|^.*eth.*)/\1 (ethernet)/' <<< $ifnames)"
mac_address="$(sed '/^$/d' <<< $mac_address)" # suppression \n final
mac_address_type="$(sed -E 's/(^.*wl.*)/\1 (wifi)/;s/(^.*en.*|^.*eth.*)/\1 (ethernet)/' <<< $mac_address)"
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}
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# $1=4|6, assigne $ip_public
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figet_ip_public(){ # 02/10/2017
local dig_test ip_test iip
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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
}
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"
}
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
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if [ "$1" == "4" ]; then
ping -4 -c1 google.com &>/dev/null || ping -4 -c1 free.fr &>/dev/null || return 1 # test connectivité
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list_ip4_dig
list_ip4
ip_telnet=4.ifcfg.me
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elif [ "$1" == "6" ]; then
ping -6 -c1 google.com &>/dev/null || ping -6 -c1 free.fr &>/dev/null || return 1 # test connectivité
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list_ip6_dig
list_ip6
ip_telnet=6.ifcfg.me
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fi
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if [ "$(which dig)" ] && [ -z "$ip_public" ]; then
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for iip in $dig_test ; do
ip_public="$(dig +short $(sed 's;/; ;g' <<< $iip))"
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[ "$ip_public" ] && break
done
fi
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if [ "$(which wget)" ] && [ -z "$ip_public" ]; then
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cmd="wget --quiet --tries=1 --timeout=5 -O - "
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for iip in $ip_test ; do
ip_public="$($cmd $iip)"
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[ "$ip_public" ] && break
done
fi
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if [ "$(which curl)" ] && [ -z "$ip_public" ]; then
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cmd="curl --silent --location --retry 0 --max-time 5" #--location pour aider redirections
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for iip in $ip_test ; do
ip_public="$($cmd $iip)"
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[ "$ip_public" ] && break
done
fi
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if [ "$(which telnet)" ] && [ -z "$ip_public" ]; then
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ip_public="$(telnet $ip_telnet 23 2>/dev/null | grep $1 | cut -d ' ' -f 4)"
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fi
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if [ "$(which nc)" ] && [ -z "$ip_public" ] && [ "$1" != "IPv6" ]; then
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ip_public="$(nc $ip_telnet 23 2>/dev/null | grep $1 | cut -d ' ' -f 4)"
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fi
if [ -z "$ip_public" ]; then
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f__error "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
}
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# inscription dans tache upgrade en anacron hebdomadaire, via cron horaire, $1=upgrade|install|remove
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fscript_cronAnacron(){ # 06/09/2017
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local dirAnacron dirSpool fileAnacron
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[ "$(type -t fscript_cronAnacron_special)" ] && fscript_cronAnacron_special # test, si fonction spécifique, appel
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dirAnacron="/home/$user_/.config/anacron"
dirSpool="$dirAnacron/spool"
fileAnacron="$dirAnacron/$script.anacrontab"
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[ "$EUID" -eq 0 ] && sed -i "/$script.anacrontab/d" /etc/crontab
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case "$1" in
install | upgrade )
mkdir -p "$dirAnacron"
# table anacron
echo "7 10 $script nice /opt/bin/$script --upgrade 1>/dev/null" > "$fileAnacron" # juste erreurs en syslog
## anacron journalier pour dev logname
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if [ -e "$fileDev" ]; then
echo "1 00 $script""Dev nice /opt/bin/$script --upgrade 1>/dev/null" >> "$fileAnacron"
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fi
# création spool anacron utilisateur
mkdir -p "$dirSpool"
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chown -R "$user_:" "$dirAnacron" "$dirSpool"
if [ "$EUID" -eq 0 ]; then
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# crontab pour activation horaire anacron
echo "@hourly $user_ /usr/sbin/anacron -t $fileAnacron -S $dirSpool" >> /etc/crontab
fi
[ "$(grep "$script" /etc/crontab)" ] || echo f__error "inscription crontab" \
"certains systèmes semblent poser poser problème, merci de rapporter ce bug à $projet $contact"
;;
remove )
rm "$dirSpool/$script"* &>/dev/null
rm "$fileAnacron" &>/dev/null
rmdir "$dirSpool" "$dirAnacron" &>/dev/null
;;
esac
}
# version script en ligne, assigne $versionScript, $script_aJour=ok|ko
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fscript_get_version(){ # 08/10/2017
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f__info "raw" "$GREEN""version script en cours: $version"
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versionScript="$(wget -q --tries=2 --timeout=15 -O - "$urlScript" | grep '^version=' | cut -d '=' -f 2)"
if [ "$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
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else f__info "version script en ligne $RED""non accessible"; fi
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}
# installation du script dans le système
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fscript_install(){ # 08/10/2017
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if grep -q 'bin' <<< "$(dirname $0)" ; then
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f__info "$RED""l'installation dans le système doit se faire depuis un script local $GREEN(./$script -i )"
return 1
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fi
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if [ "$EUID" -ne 0 ]; then
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f__info "vous devez être$RED ROOT$BLUE pour installer ce script dans le système"
f__sudo "exec $0 -i"
return $?
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fi
[ "$(type -t fscript_install_special)" ] && fscript_install_special # test, si fonction spécifique, appel
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f__requis "wget anacron cron"
# 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 775 "/opt/bin/$script" # rwx rwx r-x, proprio user_
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# cron/anacron install
fscript_cronAnacron "install"
# création fichier log
touch "$fileLogs"
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chmod 664 "$fileLogs" # rw- rw- r--, proprio user_
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chown "$user_:" "$fileLogs" "/opt/bin/$script"
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[ -e "$fileDev" ] || rm "$(basename $0)" &>/dev/null ## on efface pas si fileDev (dev)
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f__info "log" "$script $version installé dans le système." "maintenant, appel du script par: $GREEN$script$BLUE (sans ./)"
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}
# suppression du script dans le système
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fscript_remove(){ # 08/10/2017
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if ! grep -q 'bin' <<< "$(dirname $0)" ; then
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f__info "$RED""cette fonction doit être appelée depuis le script installé dans le système $GREEN($script -r)"
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return 1
fi
if [ ! -x "/opt/bin/$script" ];then
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f__info "$RED$script n'est pas installé"
return 1
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fi
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if [ "$EUID" -ne 0 ]; then
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f__info "vous devez être$RED ROOT$BLUE pour supprimer ce script dans le système"
f__sudo "exec $0 -r"
return $?
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fi
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[ "$(type -t fscript_remove_special)" ] && fscript_remove_special # test, si fonction spécifique, appel
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# suppression de /opt
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rm "/opt/bin/$script" &>/dev/null
unlink "/usr/bin/$script" &>/dev/null
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# cron/anacron remove
fscript_cronAnacron "remove"
f__info "log" "$script $version supprimé du système."
}
# mise à jour script si dispo
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fscript_update(){ # 08/10/2017
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if ! grep -q 'bin' <<< "$(dirname $0)" ; then
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f__info "$RED""cette fonction doit être appelée depuis le script installé dans le système $GREEN($script -u)"
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return
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fi
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[ "$(type -t fscript_update_special)" ] && fscript_update_special # test, si fonction spécifique, appel
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fscript_get_version
if [ "$script_aJour" == "ok" ]; then
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f__info "log" "pas de mise à jour disponible pour $script $version"
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return 0
fi
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local dirTemp="/tmp/$script-$RANDOM"
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mkdir -p "$dirTemp"
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wget -q --tries=2 --timeout=15 -O "$dirTemp/$script" "$urlScript"
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if [ "$?" != "0" ]; then f__wget_test "$urlScript"; fi
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chmod 775 "/opt/bin/$script" # rwx rwx r-x, proprio user_
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chown "$user_:" "$dirTemp/$script"
cp -d "$dirTemp/$script" "/opt/bin/$script"
rm -rf "$dirTemp/"
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fscript_cronAnacron "upgrade"
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f__info "log" "$script mis à jour en version $versionScript"
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}
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testuser(){ # 06/10/2017
f__user
retourFUser="$?"
[ "$retourFUser" -eq 1 ] && f__error "user indéterminé" \
"pour contourner, lancer le script avec:\n$GREEN USER_INSTALL=<user> $0 \n"
if [ "$retourFUser" -eq 2 ]; then
[ "$EUID" -eq 0 ] && user_="root" || f__error "user détecté, mais pas de home: /home/$user_"
f__info "user root"
fi
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}
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# initialisation
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PATH='/usr/sbin:/usr/bin:/sbin:/bin'; TERM=xterm; IFS=$' \t\n'
export PATH TERM IFS
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f__affichage
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fileLogs="/var/log/sdeb_$script.log"
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fileDev="/opt/bin/fileDev"
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[ "$(grep -o 'version 4' <<< $(bash --version) | sed 's/version //')" -ge "4" ] || f__error "bash version 4"
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f__requis "gawk wget ip>iproute2" # requis pour fonctionnement programme
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options="$@"
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for j in "$options"; do
case $j in
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-4 | --ip4 )
if figet_ip_public "4" ; then
echo "$ip_public"
else
echo "pas de connectivité ipv4"
fi
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;; # affiche ip v4 public
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-6 | --ip6 )
if figet_ip_public "6" ; then
echo "$ip_public"
else
echo "pas de connectivité ipv6"
fi
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;; # affiche ip v6 public
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'' | --local )
figet_ip || f__error "iproute2 doit être installé" "il remplace net-tools qui n'est plus développé"
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echo -e "\n ip locale(s):\n$BLUE$ip_local_type\n$STD"
echo -e " passerelle(s):\n$BLUE$gateway_type\n$STD"
echo -e " mac_address:\n$BLUE$mac_address_type\n$STD"
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;; # affiche ip locales
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-i | --install )
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testuser
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fscript_install || f_help
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;; # installation du script dans le système
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-r | --remove )
testuser
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fscript_remove || f_help
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;; # suppression du script dans le système
-u | --upgrade )
testuser
opType="upgrade"
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fscript_update || f_help
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exit ;; # upgrade script si maj possible
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-v | --version )
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fscript_get_version
;; # version du script, en ligne et exécuté
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-h | --help | * )
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f_help
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;; # affichage help
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esac
done
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unset j
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exit 0
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wget -O getIp https://frama.link/getip
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chmod +x getIp && ./getIp
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wget -O getIp https://framagit.org/kyodev/kyopages/raw/master/scripts/getIp