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91 lines
2.5 KiB
91 lines
2.5 KiB
#!/bin/sh
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# TODO :
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# - Add detection of VPN Interface to remove error message
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DEBUG() {
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[ "$_DEBUG" = "on" ] && $@
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}
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# Define VPN interface name
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VPNIF="vpnaltinea"
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if ! [ -x "$(command -v jq)" ]; then
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printf "%s" "jq could not be found, I'll install it for you\n"
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apt install -y jq
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fi
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# Get public IP addresses
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EXTIP4=`curl -s https://checkipv4.altinea.fr/getIP.php`
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EXTIP6=`curl -s https://checkipv6.altinea.fr/getIP.php`
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# Testing if returned IPs are empty and setting
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# a dummy value for later comparison
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if [ -z "$EXTIP4" ]; then
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EXTIP4='dummy'
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fi
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if [ -z "$EXTIP6" ]; then
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EXTIP6='dummy'
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fi
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# Check if found IPv4 address is configured on this server
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if [ $(hostname -I |grep -c $EXTIP4) -ne 0 ]; then
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IP4=$EXTIP4
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else
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# Let see if we can find an ip address on the configured VPN interface
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DEBUG printf "Couldn't find a public IPv4 address on this host\n"
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DEBUG printf "Let see if we find a $VPNIF wireguard interface\n"
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VPNIP4=`ip -j addr show dev $VPNIF | jq -r '.[0].addr_info | map(select(.family == "inet"))[0].local'`
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if [ -z "$VPNIP4" ]; then
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DEBUG printf "%s" "Can't find an IPv4 address on $VPNIF interface\n"
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else
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DEBUG printf "%s" "Found VPN IPv4 : $VPNIP4. Using it for monitoring purposes\n"
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IP4=$VPNIP4
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fi
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fi
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# Same routine for IPv6
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if [ $(hostname -I |grep -c $EXTIP6) -ne 0 ]; then
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IP6=$EXTIP6
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else
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DEBUG printf "%s" "Couldn't find a public IPv6 address on this host\n"
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DEBUG printf "%s" "Let see if we find an IPv6 on $VPNIF interface\n"
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VPNIP6=`ip -j addr show dev $VPNIF | jq -r '.[0].addr_info | map(select(.family == "inet6"))[0].local'`
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if [ -z "$VPNIP6" ]; then
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DEBUG printf "%s" "Can't find an IPv6 address on $VPNIF interface"
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else
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DEBUG printf "%s" "Found VPN IPv6 : $VPNIP6. Using it for monitoring purposes"
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IP6=$VPNIP6
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fi
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fi
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printf "%s" "Password for sendmail@it-nea.eu: "
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stty -echo
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read -r mailpassword
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stty echo
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printf "\n"
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AUTHLOGIN=`printf "\0sendmail@it-nea.eu\0$mailpassword"|base64`
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# Generate first part on the command
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printf "%s" "ehlo `hostname -f`
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AUTH PLAIN
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$AUTHLOGIN
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MAIL FROM: noc@altinea.fr
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RCPT TO: support@altinea.fr
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DATA
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From: noc@altinea.fr
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To: support@altinea.fr
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Subject: Nouvelle demande de monitoring
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Content-Type: text/plain; charset=UTF-8
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Nouvelle IP à monitorer : `hostname -f`
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IPv4 : $IP4
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IPv6 : $IP6
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.
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quit
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" |openssl s_client -connect smtp.it-nea.eu:465 -verify_quiet -quiet > /dev/null || err_exit
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exit 1;
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