54 lines
1.6 KiB
Bash
54 lines
1.6 KiB
Bash
#!/bin/sh
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# OpenVPN Discovery - COLETOR (Arthur's Gold Standard v6-CACHE)
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# Este script roda via CRON e grava o resultado em cache
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# Compatível com: pfSense 2.x / FreeBSD
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#
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# Instalação:
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# 1. Copie para /opt/zabbix/openvpn-collector.sh
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# 2. chmod +x /opt/zabbix/openvpn-collector.sh
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# 3. Adicione ao cron: */1 * * * * /opt/zabbix/openvpn-collector.sh
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SOCKET_DIR="/var/etc/openvpn"
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CACHE_FILE="/tmp/openvpn_discovery.json"
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CACHE_FILE_TMP="/tmp/openvpn_discovery.json.tmp"
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# Inicia JSON
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printf '{"data":[' > "$CACHE_FILE_TMP"
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first=1
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# Loop através de cada socket
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for sockdir in "$SOCKET_DIR"/server*/; do
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[ -d "$sockdir" ] || continue
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sockfile="${sockdir}sock"
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[ -S "$sockfile" ] || continue
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server_name=$(basename "$sockdir")
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# Consulta o socket e processa linha por linha
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(echo "status 2"; sleep 0.3; echo "quit") | /usr/bin/nc -U "$sockfile" 2>/dev/null | \
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grep "^CLIENT_LIST," | grep -v "Common Name" | \
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while IFS=',' read -r type cn realaddr virtaddr rest; do
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[ -z "$cn" ] && continue
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real_ip=$(echo "$realaddr" | cut -d: -f1)
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virt_ip=$(echo "$virtaddr" | cut -d: -f1)
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if [ $first -eq 0 ]; then
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printf ','
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fi
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printf '{"{#VPN.USER}":"%s","{#VPN.SERVER}":"%s","{#VPN.REAL_IP}":"%s","{#VPN.VIRTUAL_IP}":"%s"}' "$cn" "$server_name" "$real_ip" "$virt_ip"
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first=0
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done >> "$CACHE_FILE_TMP"
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first=0
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done
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printf ']}\n' >> "$CACHE_FILE_TMP"
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# Move atomicamente para evitar leitura parcial
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mv "$CACHE_FILE_TMP" "$CACHE_FILE"
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chmod 644 "$CACHE_FILE"
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