92 lines
2.7 KiB
Bash
92 lines
2.7 KiB
Bash
#!/bin/bash
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# Définir les réseaux à exclure (séparés par des virgules)
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netexclude="10.9.9.0/24,127.0.0.0/8,192.168.122.0/24"
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# Convertir la liste des exclusions en un tableau
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IFS=',' read -r -a exclude_array <<< "$netexclude"
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# Fonction pour vérifier si une IP est dans la liste d'exclusions
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function is_excluded {
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local ip=$1
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local ipnum
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ipnum=$(printf "%d" "$(echo "$ip" | awk -F. '{ print ($1 * 16777216) + ($2 * 65536) + ($3 * 256) + $4 }')")
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for net in "${exclude_array[@]}"; do
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IFS='/' read -r net_addr net_mask <<< "$net"
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local netnum
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netnum=$(printf "%d" "$(echo "$net_addr" | awk -F. '{ print ($1 * 16777216) + ($2 * 65536) + ($3 * 256) + $4 }')")
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local mask
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mask=$(( 0xFFFFFFFF << (32 - net_mask) ))
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if (( (ipnum & mask) == (netnum & mask) )); then
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return 0
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fi
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done
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return 1
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}
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# Récupérer les interfaces réseau actives
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interfaces=$(ip -o link show | awk -F': ' '{print $2}')
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# Définir les variables pour les réseaux
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declare -A net_info
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net_count=0
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for intf in $interfaces; do
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# Obtenir l'adresse IP de l'interface
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ip_addr=$(ip -o -4 addr list $intf | awk '{print $4}')
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ip_only=$(echo $ip_addr | cut -d/ -f1)
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# Vérifier si l'adresse IP est dans la liste des exclusions
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if is_excluded "$ip_only"; then
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continue
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fi
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if [[ ! -z $ip_addr ]]; then
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net_count=$((net_count + 1))
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net_info["net${net_count}_ip"]=$ip_only
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net_info["net${net_count}_mask"]=$(ip -o -4 addr show $intf | awk '{print $4}' | cut -d/ -f2)
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net_info["net${net_count}_gw"]=$(ip route | grep -w "$intf" | grep -oP 'via \K[^ ]+')
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net_info["net${net_count}_net"]=$(ip route | grep -w "$intf" | grep -oP '\b(\d{1,3}\.){3}\d{1,3}/\d{1,2}\b')
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if [[ $net_count -ge 4 ]]; then
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break
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fi
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fi
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done
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# Afficher les résultats et définir les variables globales
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for i in $(seq 1 $net_count); do
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echo "Réseau $i:"
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echo "IP: ${net_info[net${i}_ip]}"
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echo "Masque: ${net_info[net${i}_mask]}"
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echo "Passerelle: ${net_info[net${i}_gw]}"
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echo "Réseau: ${net_info[net${i}_net]}"
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echo ""
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export "net${i}ip=${net_info[net${i}_ip]}"
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export "net${i}mask=${net_info[net${i}_mask]}"
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export "net${i}gw=${net_info[net${i}_gw]}"
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export "net${i}net=${net_info[net${i}_net]}"
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done
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# Définir les variables globales
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if [[ ! -z ${net_info[net1_ip]} ]]; then
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export net1=${net_info[net1_ip]}
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fi
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if [[ ! -z ${net_info[net2_ip]} ]]; then
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export net2=${net_info[net2_ip]}
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fi
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if [[ ! -z ${net_info[net3_ip]} ]]; then
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export net3=${net_info[net3_ip]}
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fi
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if [[ ! -z ${net_info[net4_ip]} ]]; then
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export net4=${net_info[net4_ip]}
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fi
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echo "DEBUG net1=$net1"
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echo "DEBUG net2=$net2"
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