Update system information and check IPv6 address.
This commit is contained in:
Teal Dulcet
parent
1f275b3c64
commit
b53a10d085
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@ -6,15 +6,15 @@ apt_get_quiet install bind9-host sed netcat-openbsd
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# The user might have chosen a name that was previously in use by a spammer
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# and will not be able to reliably send mail. Do this after any automatic
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# choices made above.
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if host $PRIMARY_HOSTNAME.dbl.spamhaus.org > /dev/null; then
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echo
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echo "The hostname you chose '$PRIMARY_HOSTNAME' is listed in the"
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echo "Spamhaus Domain Block List. See http://www.spamhaus.org/dbl/"
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echo "and http://www.spamhaus.org/query/domain/$PRIMARY_HOSTNAME."
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echo
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echo "You will not be able to send mail using this domain name, so"
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echo "setup cannot continue."
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echo
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if host "$PRIMARY_HOSTNAME.dbl.spamhaus.org" > /dev/null; then
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echo >&2
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echo "The hostname you chose '$PRIMARY_HOSTNAME' is listed in the" >&2
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echo "Spamhaus Domain Block List. See http://www.spamhaus.org/dbl/" >&2
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echo "and http://www.spamhaus.org/query/domain/$PRIMARY_HOSTNAME." >&2
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echo >&2
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echo "You will not be able to send mail using this domain name, so" >&2
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echo "setup cannot continue." >&2
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echo >&2
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exit 1
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fi
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@ -22,22 +22,52 @@ fi
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# The user might have ended up on an IP address that was previously in use
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# by a spammer, or the user may be deploying on a residential network. We
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# will not be able to reliably send mail in these cases.
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REVERSED_IPV4=$(echo $PUBLIC_IP | sed "s/\([0-9]*\).\([0-9]*\).\([0-9]*\).\([0-9]*\)/\4.\3.\2.\1/")
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if host $REVERSED_IPV4.zen.spamhaus.org > /dev/null; then
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echo
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echo "The IP address $PUBLIC_IP is listed in the Spamhaus Block List."
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echo "See http://www.spamhaus.org/query/ip/$PUBLIC_IP."
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echo
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echo "You will not be able to send mail using this machine, so setup"
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echo "cannot continue."
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echo
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echo "Associate a different IP address with this machine if possible."
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echo "Many residential network IP addresses are listed, so Mail-in-a-Box"
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echo "typically cannot be used on a residential Internet connection."
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echo
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# Adapted from: https://github.com/tdulcet/Remote-Servers-Status/blob/master/status.sh
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REVERSED_IPV4=$(echo "$PUBLIC_IP" | awk -F'.' '{for(i=NF;i>0;i--) printf "%s%s",$i,(i==1?"\n":".")}')
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if host "$REVERSED_IPV4.zen.spamhaus.org" > /dev/null; then
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output=$(dig +short txt "$REVERSED_IPV4.zen.spamhaus.org" 2>&1) && [[ -n "$output" ]] && mapfile -t reasons < <(echo "$output" | grep -v '^;')
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echo >&2
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echo "The IP address $PUBLIC_IP is listed in the Spamhaus Block List." >&2
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if [[ -n "$reasons" ]]; then
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echo "Reason: ${reasons[*]}" >&2
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fi
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echo "See http://www.spamhaus.org/query/ip/$PUBLIC_IP." >&2
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echo >&2
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echo "You will not be able to send mail using this machine, so setup" >&2
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echo "cannot continue." >&2
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echo >&2
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echo "Associate a different IP address with this machine if possible." >&2
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echo "Many residential network IP addresses are listed, so Mail-in-a-Box" >&2
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echo "typically cannot be used on a residential Internet connection." >&2
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echo >&2
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exit 1
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fi
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# Stop if the IPv6 address is listed in the ZEN Spamhouse Block List.
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# Adapted from: https://github.com/tdulcet/Remote-Servers-Status/blob/master/status.sh
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if [ -n "$PUBLIC_IPV6" ]; then
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# Expand and reverse IPv6 address, adapted from: https://gist.github.com/lsowen/4447d916fd19cbb7fce4
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REVERSED_IPV6=$(echo "$PUBLIC_IPV6" | awk -F: 'BEGIN{OFS="";}{addCount = 9 - NF; for(i=1;i<=NF;i++) {if(length($i) == 0) {for(j=1;j<=addCount;j++) {$i = ($i "0000");}} else{$i = substr(("0000" $i), length($i)+5-4);}}; print}' | awk -F '' 'BEGIN{OFS=".";}{for(i=NF;i>0;i--) printf "%s%s",$i,(i==1?"\n":".")}')
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if host "$REVERSED_IPV6.zen.spamhaus.org" > /dev/null; then
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output=$(dig +short txt "$REVERSED_IPV6.zen.spamhaus.org" 2>&1) && [[ -n "$output" ]] && mapfile -t reasons < <(echo "$output" | grep -v '^;')
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echo >&2
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echo "The IP address $PUBLIC_IPV6 is listed in the Spamhaus Block List." >&2
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if [[ -n "$reasons" ]]; then
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echo "Reason: ${reasons[*]}" >&2
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fi
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echo "See http://www.spamhaus.org/query/ip/$PUBLIC_IPV6." >&2
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echo >&2
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echo "You will not be able to send mail using this machine, so setup" >&2
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echo "cannot continue." >&2
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echo >&2
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echo "Associate a different IP address with this machine if possible." >&2
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echo "Many residential network IP addresses are listed, so Mail-in-a-Box" >&2
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echo "typically cannot be used on a residential Internet connection." >&2
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echo >&2
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exit 1
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fi
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fi
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# Stop if we cannot make an outbound connection on port 25. Many residential
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# networks block outbound port 25 to prevent their network from sending spam.
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# See if we can reach one of Google's MTAs with a 5-second timeout.
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@ -25,7 +25,8 @@ if ! echo "$ID" | grep -iq "ubuntu" || ! echo "$VERSION_ID" | grep -iq "18.04";
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fi
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# Check for the Windows Subsystem for Linux (WSL)
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if uname -r | grep -iq "microsoft"; then
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KERNEL=$(uname -r)
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if echo "$KERNEL" | grep -iq "microsoft"; then
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echo "Warning: The Windows Subsystem for Linux (WSL) is not yet fully supported by this script."
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fi
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@ -81,7 +81,7 @@ address, so we're suggesting $DEFAULT_PRIMARY_HOSTNAME.
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RE='^.+\.localdomain$'
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# Regular expressions to check if the hostname is a valid FQDN
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RE1='^.{4,253}$'
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RE2='^([[:alnum:]][[:alnum:]\-]{0,61}[[:alnum:]]\.)+[a-zA-Z]{2,63}$'
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RE2='^((xn--)?[[:alnum:]][[:alnum:]\-]{0,61}[[:alnum:]]\.)+(xn--)?[a-zA-Z]{2,63}$'
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if [ -z "$PRIMARY_HOSTNAME" ]; then
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# user hit ESC/cancel
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exit 1
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@ -203,18 +203,21 @@ if [ -z "${STORAGE_ROOT:-}" ]; then
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fi
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# Show the configuration, since the user may have not entered it manually.
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# Adapted from: https://github.com/tdulcet/Linux-System-Information/blob/master/info.sh
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echo -e "\nLinux Distribution:\t\t${PRETTY_NAME:-$ID-$VERSION_ID}"
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CPU=( $(sed -n 's/^model name[[:space:]]*: *//p' /proc/cpuinfo | uniq) )
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echo -e "Linux Kernel:\t\t\t$KERNEL"
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mapfile -t CPU < <(sed -n 's/^model name[[:space:]]*: *//p' /proc/cpuinfo | uniq)
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if [ -n "$CPU" ]; then
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echo -e "Processor (CPU):\t\t${CPU[*]}"
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fi
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CPU_CORES=$(nproc --all)
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echo -e "CPU Cores:\t\t\t$CPU_CORES"
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CPU_THREADS=$(nproc --all)
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CPU_CORES=$(( CPU_THREADS / $(lscpu | grep -i '^thread(s) per core' | sed -n 's/^.\+:[[:blank:]]*//p') ))
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echo -e "CPU Cores/Threads:\t\t$CPU_CORES/$CPU_THREADS"
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echo -e "Architecture:\t\t\t$HOSTTYPE (${ARCHITECTURE}-bit)"
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echo -e "Total memory (RAM):\t\t$(printf "%'d" $((TOTAL_PHYSICAL_MEM / 1024))) MiB ($(printf "%'d" $((((TOTAL_PHYSICAL_MEM * 1024) / 1000) / 1000))) MB)"
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echo -e "Total swap space:\t\t$(printf "%'d" $((TOTAL_SWAP / 1024))) MiB ($(printf "%'d" $((((TOTAL_SWAP * 1024) / 1000) / 1000))) MB)"
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if command -v lspci >/dev/null; then
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GPU=( $(lspci 2>/dev/null | grep -i 'vga\|3d\|2d' | sed -n 's/^.*: //p') )
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mapfile -t GPU < <(lspci 2>/dev/null | grep -i 'vga\|3d\|2d' | sed -n 's/^.*: //p')
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fi
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if [ -n "$GPU" ]; then
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echo -e "Graphics Processor (GPU):\t${GPU[*]}"
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@ -239,7 +242,7 @@ else
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echo -e "Private IP Address:\t\t$PRIVATE_IP"
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fi
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fi
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TIME_ZONE=$(timedatectl 2>/dev/null | grep -i 'time zone\|timezone' | sed -n 's/^.*: //p')
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TIME_ZONE=$(timedatectl 2>/dev/null | grep -i 'time zone:\|timezone:' | sed -n 's/^.*: //p')
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echo -e "Time zone:\t\t\t$TIME_ZONE\n"
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if command -v systemd-detect-virt >/dev/null && CONTAINER=$(systemd-detect-virt -c); then
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echo -e "Virtualization container:\t$CONTAINER\n"
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