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freenom.sh
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freenom.sh
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#!/bin/bash
###############################################################################
# Domain Renewal and Dynamic DNS shell script for freenom.com #
###############################################################################
# #
# Updates IP address and/or auto renews domain(s) so they do not expire #
# See README.md for more information #
# #
# freenom-script Copyright (C) 2019 M. Korthof #
# This program comes with ABSOLUTELY NO WARRANTY #
# This is free software, and you are welcome to redistribute it #
# under certain conditions. #
# See LICENSE file for more information #
# gpl-3.0-only v2023-08-03 #
###############################################################################
# shellcheck disable=SC2317
########
# Main #
########
set -eo pipefail
# check some requirements
for i in curl grep date basename dirname sed; do
if ! command -v $i >/dev/null 2>&1; then
echo "Error: could not find \"$i\", exiting..."
exit 1
fi
done
if [ -z "$BASH" ]; then
echo "Warning: bash not detected"
fi
if [ "$(readlink /proc/$$/exe 2>&1)" = "/bin/busybox" ]; then
echo "Warning: looks like we're running under BusyBox"
fi
scriptName="$(basename "$0")"
infoCount="0"
warnCount="0"
errCount="0"
oldCurl="0"
if curl --version | grep -Eiq "^curl (7\.[0-5]|[0-6]\.)"; then
oldCurl=1
fi
if [[ -n "$freenom_oldcurl_force" && "${freenom_oldcurl_force:-0}" -eq 1 ]]; then
oldCurl=1
else
oldCurl=0
fi
########
# Conf #
########
# configuration file from argument '-c'
SAVE_IFS="$IFS"
IFS='|'
c=0
for i in "$@"; do
if printf -- "%s" "$i" | grep -Eq -- "(^|[^a-z])-c"; then
c=1
continue
else
if [ "${c:-0}" -eq 1 ]; then
if printf -- "%s" "$i" | grep -Eq -- "^-"; then
echo "Error: config file not specfied, try \"$scriptName -h\""
exit 1
fi
scriptConf="$i"
if [ ! -s "$scriptConf" ]; then
echo "Error: invalid config file \"$scriptConf\" specified"
exit 1
fi
break
fi
fi
done
IFS="$SAVE_IFS"
# if scriptConf is empty, check for {/usr/local,}/etc/freenom.conf and in same dir as script
if [ -z "$scriptConf" ]; then
sc1="$(dirname "$0")/$(basename -s '.sh' "$0").conf"
sc2="${BASH_SOURCE[0]/%.sh/}.conf"
for i in "/usr/local/etc/freenom.conf" "/etc/freenom.conf" "$sc1" "$sc2"; do
if [ -e "$i" ]; then
scriptConf="$i"
break
fi
done
fi
unset -v i
# make sure we dont source ourselves
if [ "$scriptConf" = "$0" ] || [ "$scriptConf" = "${BASH_SOURCE[0]}" ]; then
echo "Error: invalid config file \"$scriptConf\" specified"
exit 1
fi
# source scriptConf if its non empty, else exit
if [ -n "$scriptConf" ] && [ -s "$scriptConf" ]; then
# shellcheck source=/usr/local/etc/freenom.conf
source "$scriptConf" || {
echo "Error: could not load $scriptConf"
exit 1
}
fi
# make sure debug is always set
if [ -z "$debug" ]; then
debug=0
fi
if [ "${debug:-0}" -ge 1 ]; then
echo "DEBUG: $pad8 $pad8 debug=$debug curlExtraOpts=$curlExtraOpts"
echo "DEBUG: $pad8 conf $pad8 scriptConf=$scriptConf"
fi
# check args for help
help=0
if printf -- "%s" "$*" | grep -Eqi '(^|[^a-z])-h'; then
help=1
fi
# config checks: we need these settings, so if they do not exist 'exit'
if [ -z "$freenom_email" ]; then
echo "Error: setting \"freenom_email\" is missing in config"
if [ "${help:-0}" -eq 0 ]; then
exit 1
fi
fi
if [ -z "$freenom_passwd" ]; then
echo "Error: setting \"freenom_passwd\" is missing in config"
if [ "${help:-0}" -eq 0 ]; then
exit 1
fi
fi
# if needed create freenom_out_dir. if out_path is not set or invalid, set default
if [ -d "$(dirname "$freenom_out_dir")" ]; then
if [ ! -d "$freenom_out_dir}" ]; then
mkdir "${freenom_out_dir}" >/dev/null 2>&1 || true
fi
fi
out_path="${freenom_out_dir}/${freenom_out_mask}"
if [[ -z "$freenom_out_dir" || -z "$freenom_out_mask" || ! -d "$freenom_out_dir" ]]; then
out_path="/var/log/$(basename -s '.sh' "$0")"
echo "Warning: no valid \"freenom_out_dir\" or \"mask\" setting found, using default path: $out_path"
fi
if [ ! -e "${out_path}.log" ]; then
touch "${out_path}.log" >/dev/null 2>&1 || true
fi
if [ ! -w "${out_path}.log" ]; then
if [ "${help:-0}" -eq 0 ]; then
echo "Info: logfile \"${out_path}.log\" not writable, using \"/tmp/$(basename -s '.sh' "$0").log\""
fi
out_path="/tmp/$(basename -s '.sh' "$0")"
fi
# shellcheck disable=SC2128
if [ -z "$uaString" ]; then
echo "Error: setting \"uaString\" is missing in config"
if [ "${help:-0}" -eq 0 ]; then
exit 1
fi
fi
# shellcheck disable=SC2128
if [ -z "$ipCmd" ]; then
echo "Error: setting \"ipCmd\" is missing in config"
if [ "${help:-0}" -eq 0 ]; then
exit 1
fi
fi
if [ -z "$RCPTTO" ]; then
RCPTTO="$freenom_email"
fi
if [ ! -x "$MTA" ]; then
if [ -x "/usr/sbin/sendmail" ]; then
MTA="/usr/sbin/sendmail"
else
MTA=""
echo "Warning: No MTA found, cant send email"
fi
fi
# set a few general variables
c_opts="--connect-timeout 30 --compressed -L -s"
# generate "random" useragent string, used for curl and below in func_randIp
agent="${uaString[$((RANDOM % ${#uaString[@]}))]}"
# add http code to curl output
http_code="<!--http_code=%{http_code}-->"
ipRE='((((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])))|(((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?))'
pad4="$(printf "%*s" 4 " ")"
pad8="$(printf "%*s" 8 " ")"
# DEBUG: add proxy to curlExtraOpts
debug_proxy=0
if [ "${debug_proxy:-0}" -eq 1 ]; then
curlExtraOpts+=" --proxy http://localhost:3128"
fi
# Make sure 'my.freenom.com' resolves correctly
if [ "${freenom_http_resolve:-0}" -eq 1 ]; then
if curl --max-time 10 --dns-servers "$curlDns" my.freenom.com >/dev/null 2>&1; then
curlExtraOpts+=" --dns-servers $curlDns"
else
for ((i = 0; i < ${#resolveCmd[@]}; i++)); do
_myfn_ip=$(${resolveCmd[$i]} 2>/dev/null | awk '/^(.*[aA]ddress:? )?[0-9.]+$/{ print $NF; exit }')
if [[ "$_myfn_ip" =~ ^$ipRE$ ]]; then
curlExtraOpts+=" --resolve my.freenom.com:443:$_myfn_ip"
break
fi
done
fi
fi
# AWS WAF CAPTCHA token. To manually get it from browser:
# goto my.freenom.com, solve captcha puzzle and copy cookie 'aws-waf-token' (valid ~3 mins)
if [ -n "$AWS_WAF_TOKEN" ]; then
TOKEN="${AWS_WAF_TOKEN#aws-waf-token=}"
if echo "$TOKEN" | grep -Eq '[0-9a-f-]{36}:[A-Za-z0-9+/]{16}:[A-Za-z0-9+/=]{64,}'; then
curlExtraOpts+=" -b aws-waf-token=${TOKEN} "
else
echo "Error: Incorrect AWS WAF CAPTCHA token"
exit 1
fi
else
_wmsg="Warning: Missing AWS WAF CAPTCHA token"
echo "$_wmsg (\$AWS_WAF_TOKEN not set)"
echo -e "[$(date)] [$$] $_wmsg" >>"${out_path}.log"
fi
#############
# Functions #
#############
# Function cleanup: remove cookie file using trap
func_cleanup() {
if [[ -n "$cookie_file" && -f "$cookie_file" ]]; then
if [ "${debug:-0}" -ge 1 ]; then
echo "DEBUG: $(date '+%H:%M:%S') func_cleanup cookie_file=$cookie_file"
fi
rm "$cookie_file"
fi
}
trap "func_cleanup" EXIT HUP INT TERM
# Function help: displays options etc
func_help() {
cat <<-_EOF_
freenom.com Domain Renewal and DynDNS
-------------------------------------
Usage: $scriptName -l [-d]
$scriptName -r <domain OR -a> [-s <subdomain>]
$scriptName -u <domain> [-s <subdomain>] [-m <ip>] [-f]
$scriptName -z <domain>
Options: -l List all domains and id's in account
add [-d] to show renewal Details
-r Renew <domain> or use '-r -a' to update All
add [-s] to renew <Subdomain>
-u Update <domain> A record with current ip
add [-s] to update <Subdomain> record
add [-m <ip>] to Manually update static <ip>
add [-f] to Force update on unchanged ip
-z Zone for <domain>, shows dns records
-4 Use ipv4 and modify A record on "-u" (default)
-6 Use ipv6 and modify AAAA record on "-u"
-c Config <file> to use, instead of freenom.conf
-i Ip commands list, used to get current ip
-o Output renewals, shows html file(s)
Examples ./$scriptName -r example.com
./$scriptName -c /etc/mycustom.conf -r -a
./$scriptName -u example.com -s mail
* When "-u" or "-r" is used with argument <domain>
any settings in script or config file are overridden
_EOF_
# TEST: use [-a] with -u to update All domains and records
# ./$scriptName -u -a
exit 0
}
# Function getDomainArgs: use regexps to get domain name, id etc
func_getDomainArgs() {
local _d_args
local _arg_domain_name
local _arg_domain_id
local _arg_subdomain_name
local _subdom_set
# check for subdomain arg '-s'
_subdom_set=0
if printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-s'; then
_subdom_set=1
fi
# first remove debug arg...
_d_args="$(echo "$*" | sed -E 's/ ?-debug ([0-9])//')"
# ...then remove '-c' arg and save other options to $_d_args
# XXX: (#12) this regex has issues with bash 5.0.3/sed 4.7 but works on bash 4.4.12/sed 4.4
# sed -E 's| ?-c [][a-zA-Z0-9 !"#$%&'\''()*+,-.:;<=>?@^_`{}~/]+ ?||g'
_d_args="$(echo "$_d_args" | sed -E 's| ?(-c ([^ ]+\|['\''"].+['\''"])) ?||g')"
# now get domain_name by removing:
# - options "-m <ip>" and "-s"
# - 'digits' which match domain id
# - any other args e.g. "-[a-z]"
if [[ -n "$freenom_update_all" && "${freenom_update_all:-0}" -eq 0 ]]; then
_arg_domain_name="$(
echo "$_d_args" |
sed -E -e 's/-m '"$ipRE"'//' \
-e 's/( ?-s [^ ]+|( -[[:alnum:]]+|-[[:alnum:]]+ )| [0-9]+|[0-9]+ | )|^-[[:alnum:]]+$/ /g' |
awk '{ print $1 }'
)"
fi
_arg_domain_id="$(echo "$_d_args" | sed -n -E 's/.*([0-9]{10}+).*/\1/p')"
_arg_subdomain_name="$(echo "$_d_args" | sed -n -E 's/.*-s ([^ ]+).*/\1/p')"
# if domain arg is not empty, use that instead of setting from conf
if [[ -n "$freenom_update_all" && "${freenom_update_all:-0}" -eq 0 ]]; then
if [ -n "$_arg_domain_name" ]; then
freenom_domain_name="$_arg_domain_name"
if [ "$((0 + $(echo "$freenom_domain_name" | tr '.' '\n' | wc -l)))" -ge 3 ]; then
local _wmsg="Warning: \"$freenom_domain_name\" looks like a subdomain (use '-s' ?)"
echo "$_wmsg"
echo -e "[$(date)] [$$] $_wmsg" >>"${out_path}.log"
fi
fi
fi
if [ -n "$_arg_subdomain_name" ]; then
freenom_subdomain_name="$_arg_subdomain_name"
fi
if [ -n "$_arg_domain_id" ]; then
freenom_domain_id="$_arg_domain_id"
fi
debugDomainArgs=0
if [ "${debug:-0}" -ge 1 ]; then
debugDomainArgs=1
fi
# if we didnt get any args and theres no conf settings, display error message
if [[ -n "$freenom_update_all" && "${freenom_update_all:-0}" -eq 0 ]]; then
if [ "$freenom_domain_name" == "" ]; then
echo "Error: domain name missing"
echo " Try: $scriptName [-u|-r|-z] [domain]"
exit 1
fi
# handle invalid domain setting
if [[ ! "$freenom_domain_name" =~ ^[^.-][a-zA-Z0-9.-]+$ ]] ||
[[ "$freenom_domain_name" == "$freenom_domain_id" ]]; then
echo "Error: invalid domain name \"$freenom_domain_name\""
exit 1
fi
if [ "$_subdom_set" -ge 1 ] && [[ ! "$freenom_subdomain_name" =~ ^[^.-][a-zA-Z0-9.-]+$ ]]; then
echo "Error: invalid or missing subdomain"
exit 1
fi
fi
if [[ ! "$freenom_domain_id" =~ ^[0-9]{10}+$ ]]; then
freenom_domain_id=""
fi
if [[ -n "$debugDomainArgs" && "${debugDomainArgs:-0}" -eq 1 ]]; then
echo "DEBUG: $pad8 getdomargs d_args=$_d_args _subdom_set=$_subdom_set"
echo "DEBUG: $pad8 getdomargs arg_domain_name=$_arg_domain_name arg_subdomain_name=$_arg_subdomain_name arg_domain_id=$_arg_domain_id"
fi
}
# Function showResult: format html and output as text
func_showResult() {
printf "\n[ %s ]\n\n" "$1"
local i=""
for i in lynx links links2 wb3m elinks curl cat; do
if command -v $i >/dev/null 2>&1; then
break
fi
done
case "$i" in
lynx | links | links2 | w3m | elinks)
[ $i = "lynx" ] && s_args="-nolist"
[ $i = "elinks" ] && s_args="-no-numbering -no-references"
# shellcheck disable=SC2086
"$i" -dump $s_args "$1" | sed '/ \([*+□•] \?.\+\|\[.*\]\)/d'
;;
curl | cat)
[ $i = "curl" ] && s_args="-s file:///"
# shellcheck disable=SC2086
"$i" ${s_args}"${1}" |
sed -e '/<a href.*>/d' -e '/<style type="text\/css">/,/</d' -e '/class="lang-/d' \
-e 's/<[^>]\+>//g' -e '/[;}{):,>]$/d' -e '/\r/d' -e 's/\t//g' -e '/^ \{2,\}$/d' -e '/^$/d'
;;
*)
echo "Error: cannot display \"$1\""
exit 1
;;
esac
}
# Function randIp: run random dig or curl ipCmd, replace %agent% with random useragent string
# regex: https://www.regexpal.com/?fam=104038
# returns: ipv4/6 address
func_randIp() {
[ "${debug:-0}" -ge 3 ] && set -x
${ipCmdSorted[$((RANDOM % ${#ipCmdSorted[@]}))]/\%agent\%/$agent} 2>/dev/null |
grep -Pow "${ipRE}" | head -1
[ "${debug:-0}" -ge 3 ] && set +x
}
# Function sortIpCimd: trim ipCmd array from conf for update_ipv=4|6 and whether we want dig or not
# replaces %ipv% with $freenom_update_ipv
# creates new array: $ipCmdSorted
func_sortIpCmd() {
local i
ipCmdSorted=()
for ((i = 0; i < ${#ipCmd[@]}; i++)); do
local skip=0
# if update_ipv is set to '6', skip ipCmd's that do not not contain '-6'
if [[ -n "$freenom_update_ipv" && "$freenom_update_ipv" -eq 6 ]]; then
if [[ "${ipCmd[$i]}" =~ '-4' ]]; then
skip=1
fi
if [ "${debug:-0}" -ge 2 ]; then
echo "DEBUG: $(date '+%H:%M:%S') sortIpCmd skip=$skip i=$i ipCmd=${ipCmd[$i]}"
fi
fi
# if update_dig is disabled, skip if ipCmd is 'dig'
if [[ -n "$freenom_update_dig" && "${freenom_update_dig:-0}" -eq 0 ]]; then
if [[ "${ipCmd[$i]}" =~ ^dig ]]; then skip=1; fi
fi
if [ "${skip:-0}" -eq 0 ]; then
ipCmdSorted+=("${ipCmd[$i]//\%ipv\%/$freenom_update_ipv}")
else
i=$((i + 1))
fi
done
if [ "${debug:-0}" -ge 2 ]; then
for ((i = 0; i < ${#ipCmdSorted[@]}; i++)); do echo "DEBUG: $(date '+%H:%M:%S') sortIpCmd i=$i ipCmdSorted: ${ipCmdSorted[$i]}"; done
fi
if [ ! "${#ipCmdSorted[@]}" -gt 0 ]; then
echo "Error: no \"get ip\" command found"
exit 1
fi
}
# Function ipCheck: compare current ip to file 'freedom_example.cf.ip4'
# parameters : $1 = updateDomain
# returns : 0 (ok), 1 (skip)
func_ipCheck() {
if [ "${freenom_update_force:-0}" -eq 0 ]; then
if [ "$(cat "${out_path}_${1}.ip${freenom_update_ipv}" 2>&1)" == "$currentIp" ]; then
return 1
fi
return 0
fi
}
# Function httpOut: set curl result and httpcode
func_httpOut() {
local _hc_re='<!--http_code=([1-5][0-9][0-9])-->'
httpCode=""
httpOut=""
httpCode="$(echo "$1" | sed -En 's/.*'"$_hc_re"'/\1/p')"
httpOut="$(echo "$1" | sed -E 's/'"$_hc_re"'//')"
}
# Function httpError: show msg with http error code and retries
# $1 = url, $2= title
func_httpError() {
local showRetry=$retry
if [ "$retry" -ge "$freenom_http_retry" ]; then
showRetry=$((retry - 1))
fi
local _c403="403 Forbidden"
local _c500="500 Internal Service Error"
local _c503="503 Service Temporarily Unavailable"
local _msg="$2 - httpcode "
if [ "${httpCode:-"000"}" -eq "403" ] || echo "$1" | grep -q "$_c403"; then
agent="${uaString[$((RANDOM % ${#uaString[@]}))]}"
_msg+="$_c403"
elif [ "${httpCode:-"000"}" -eq "500" ] || echo "$1" | grep -q "$_c500"; then
_msg+="$_c500"
elif [ "${httpCode:-"000"}" -eq "503" ] || echo "$1" | grep -q "$_c503"; then
_msg+="$_c503"
else
_msg+="${httpCode:-"000"}"
fi
printf "Error: %s (try %s/%s)\\n" "$_msg" "$showRetry" "$freenom_http_retry"
}
# Function lc/uc: convert $1 beween lower and UPPERCASE
func_lc() {
echo "$@" | tr '[:upper:]' '[:lower:]'
}
func_uc() {
echo "$@" | tr '[:lower:]' '[:upper:]'
}
# Function sleep: sleep between 'random' min and max seconds
func_sleep() {
if [[ -n "$freenom_http_sleep" && "$freenom_http_sleep" =~ ^[1-9]+\ [1-9]+$ ]]; then
min="$(echo "$freenom_http_sleep" | cut -d" " -f1)"
max="$(echo "$freenom_http_sleep" | cut -d" " -f2)"
rnd="$(((RANDOM % max) + min))"
if [ "${debug:-0}" -ge 1 ]; then
printf "DEBUG: %-*s sleep %s (min=%s max=%s)\n" "21" " " "$rnd" "$min" "$((min + max))"
fi
sleep $rnd
fi
}
# Function mailEvent: send mail
# parameters: $1: $event 2: $messages
mailEvent() {
if [ "$MTA" != "" ] && [ "$RCPTTO" != "" ]; then
if [ "${debug:-0}" -ge 1 ]; then
echo "DEBUG: $(date '+%H:%M:%S') email $pad4 HOSTNAME=$HOSTNAME MTA=$MTA RCPTTO=$RCPTTO 1=$1 2=$2"
fi
[ "${debug:-0}" -ge 3 ] && set -x
HEADER="To: <$RCPTTO>\n"
if [ "$MAILFROM" ]; then
HEADER+="From: $MAILFROM\n"
fi
echo -e "${HEADER}Subject: freenom.sh: \"$1\" on \"$HOSTNAME\"\n\nDate: $(date +%F\ %T)\n\n$2" | "$MTA" "$RCPTTO"
EXITCODE="$?"
if [ "$EXITCODE" -ne 0 ]; then
echo "Error: exit code \"$EXITCODE\" while running $MTA"
fi
[ "${debug:-0}" -ge 3 ] && set +x
fi
}
# Function appriseEvent: send Apprise notification
# parameters: $1: $event 2: $messages
appriseEvent() {
if [ -s "$APPRISE" ] && [ "${#APPRISE_SERVER_URLS[@]}" -gt 0 ]; then
if [ "${debug:-0}" -ge 1 ]; then
echo "DEBUG: $(date '+%H:%M:%S') apprise $pad4 HOSTNAME=$HOSTNAME APPRISE=$APPRISE APPRISE_SERVER_URLS=(${APPRISE_SERVER_URLS[*]}) 1=$1 2=$2"
fi
if [ "${debug:-0}" -ge 3 ]; then
set -x
fi
"$APPRISE" --title "freenom.sh: \"$1\" on \"$HOSTNAME\"" --body "$2" "${APPRISE_SERVER_URLS[@]}"
EXITCODE="$?"
if [ "$EXITCODE" -ne 0 ]; then
echo "Error: exit code \"$EXITCODE\" while running $APPRISE"
fi
if [ "${debug:-0}" -ge 3 ]; then
set +x
fi
fi
}
# Function setUpdateDomVars: make sure correct domain, record and id are set
func_updateDomVars() {
local _domain _record
domId="1234567890"
[ -n "$freenom_domain_name" ] && _domain="$freenom_domain_name" || _domain="${domainName[$d]}"
[ -n "$freenom_subdomain_name" ] && _record="$freenom_subdomain_name" || _record="${recName[$r]}"
[ -n "$freenom_domain_id" ] && domId="$freenom_domain_id" || domId="${domainId[$d]}"
if [[ -z "${_record}" && -n "${_domain}" ]]; then
updateDomain="$(func_lc "${_domain}")"
else
updateDomain="$(func_lc "${_record:+${_record}.}${_domain}")"
fi
}
# debug functions
# Function debugHttp: show curl error
func_debugHttp() {
local showRetry=$retry
if [ "$retry" -ge "$freenom_http_retry" ]; then
showRetry=$((retry - 1))
fi
printf "DEBUG: %s %-12s curl %s (retry=%s/%s http_code=%s errCount=%s)\n" \
"$(date '+%H:%M:%S')" "$1" "$2" "$showRetry" "$freenom_http_retry" "$httpCode" "$errCount"
}
# Function debugVars: debug output args, actions etc
func_debugVars() {
echo "DEBUG: $pad8 args $pad4 debug=$debug curlExtraOpts=$curlExtraOpts"
echo "DEBUG: $pad8 args $pad4 1=$1 2=$2 3=$3 4=$4 5=$5 6=$6 7=$7 8=$8 9=$9"
echo "DEBUG: $pad8 opts/conf freenom_out_dir=$freenom_out_dir freenom_out_mask=$freenom_out_mask out_path=$out_path"
echo "DEBUG: $pad8 opts/conf freenom_domain_name=$freenom_domain_name freenom_domain_id=$freenom_domain_id freenom_subdomain_name=$freenom_subdomain_name"
echo "DEBUG: $pad8 opts/conf freenom_static_ip=$freenom_static_ip"
echo "DEBUG: $pad8 action $pad4 freenom_update_ip=$freenom_update_ip freenom_update_force=$freenom_update_force freenom_update_manual=$freenom_update_manual freenom_update_all=$freenom_update_all"
echo "DEBUG: $pad8 action $pad4 freenom_list_records=$freenom_list_records freenom_list=$freenom_list freenom_list_renewals=$freenom_list_renewals"
echo "DEBUG: $pad8 action $pad4 freenom_renew_domain=$freenom_renew_domain freenom_renew_all=$freenom_renew_all"
}
# Function debugArrays: show domain Id, Name, Expiry
# shellcheck disable=2317
func_debugArrays() {
echo "DEBUG: $pad8 arrays domainId domainName domainExpiryDate:"
echo "${domainId[@]}"
echo "${domainName[@]}"
echo "${domainExpiryDate[@]}"
}
# Function debugMyDomainsResult
# shellcheck disable=2317
func_debugMyDomainsResult() {
if [ "${debug:-0}" -ge 1 ]; then
IFS_SAVE=$IFS
IFS=$'\n'
local i=""
# shellcheck disable=SC2116
for i in $(echo "$myDomainsResult"); do
if [ "${debug:-0}" -ge 2 ]; then
echo "DEBUG: $pad8 myDomainsResult i=$i"
fi
domainResult="$(echo "$i" | cut -d " " -f2)"
domainIdResult="$(echo "$i" | cut -d " " -f4)"
done
echo "DEBUG: $pad8 myDomainsResult domainResult: $domainResult domainIdResult: $domainIdResult"
IFS=$IFS_SAVE
fi
}
###############################################################################
# Note that there are 6 more inline Functions placed down below
# Dns:
# - Function getDnsPage: get DNS Management Page
# - Function getRec: get domain records from dnsManagementPage
# - Function setRec: add/modify domain records
# Renew:
# - Function renewDate: check date to make sure we can renew
# - Function renewDomain: if date is ok; submit actual renewal, get result
###############################################################################
###########
# Options #
###########
unset -v a
# handle debug
if printf -- "%s" "$*" | grep -Eiq '(^|[^a-z])-debug'; then
debug="$(echo "$*" | sed -E 's/.*-debug ([0-9]) ?.*/\1/')"
if [[ ! "$debug" =~ ^[0-9]$ ]]; then
debug=0
fi
fi
# show help
#if printf -- "%s" "$*" | grep -Eqi '(^|[^a-z])-h'; then
# shellcheck disable=2317
if [ "${help:-0}" -eq 1 ]; then
func_help
exit 0
fi
# handle all other arguments
if ! printf -- "%s" "$*" | grep -Eqi -- '-[46lruziceo]'; then
echo "Error: invalid or unknown argument(s), try \"$scriptName -h\""
exit 1
fi
# ipv4/6
if printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-4'; then
freenom_update_ipv=4
if [ "${debug:-0}" -ge 1 ]; then
echo "DEBUG: $pad8 ipv freenom_update_ipv=$freenom_update_ipv"
fi
elif printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-6'; then
freenom_update_ipv=6
if [ "${debug:-0}" -ge 1 ]; then
echo "DEBUG: $pad8 ipv freenom_update_ipv=$freenom_update_ipv"
fi
fi
# list domains and id's and exit, unless list_records is set
if printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-l'; then
freenom_list="1"
lMsg=""
# list domains with details
a="$(echo "$*" | sed -E 's/ ?-debug ([0-9])//')"
if printf -- "%s" "$a" | grep -Eqi -- '(^|[^a-z])-[dn]'; then
freenom_list_renewals="1"
lMsg=" with renewal details, this might take a while"
fi
printf "\nListing Domains and ID's%s...\n" "$lMsg"
echo
# list dns records
elif printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-z'; then
printf "\nListing Domain Record(s)%s...\n" "$lMsg"
echo
func_getDomainArgs "$@"
freenom_list_records="1"
# output ipcmd list
elif printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-i'; then
if [ "${debug:-0}" -ge 1 ]; then
echo "DEBUG: $pad8 ipv freenom_update_ipv=$freenom_update_ipv"
fi
printf "\nListing all \"get ip\" commands..."
echo
for ((i = 0; i < ${#ipCmd[@]}; i++)); do
printf "%2s: %s\n" "$i" "${ipCmd[$i]}"
done
printf "\nNOTES:\n"
printf " %%ipv%% gets replaced by \$freenom_update_ipv ('4' or '6')\n"
printf " %%agent%% gets replaced with useragent string from conf\n\n"
exit 0
# update ip
elif printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-u'; then
freenom_update_ip="1"
a="$*"
if printf -- "%s" "$a" | grep -Eiq -- '(^|[^a-z])-f'; then
freenom_update_force="1"
a="$(echo "$a" | sed -E 's/ ?-f//')"
fi
if printf -- "%s" "$a" | grep -Eiq -- '(^|[^a-z])-m'; then
freenom_update_manual="1"
arg_static_ip="$(echo "$a" | sed -n -E 's/.*-m ('"$ipRE"')([^0-9].*)?/\1/p')"
if [ -n "$arg_static_ip" ]; then
freenom_static_ip="$arg_static_ip"
fi
if [[ ! "$freenom_static_ip" =~ ^$ipRE$ ]]; then
freenom_static_ip=""
fi
fi
# TEST: update all records
if printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-a'; then
freenom_update_all="1"
fi
func_getDomainArgs "$@"
# renew domains
elif printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-r'; then
freenom_renew_domain="1"
if printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-a'; then
freenom_renew_all="1"
else
func_getDomainArgs "$@"
fi
# show update and renewal result file(s)
elif printf -- "%s" "$*" | grep -Eiq -- '(^|[^a-z])-[eo]'; then
# use regex if file is specfied
fget="$(printf -- "%s\n" "$*" | sed -En 's/.* ?-[eo] ?([][a-zA-Z0-9 !"#$%&'\''()*+,-.:;<=>?@^_`{}~.]+)[ -]?.*/\1/gp')"
if [ -z "$fget" ]; then
for f in "${out_path}"_renewalResult-*.html; do
if [ -e "$f" ]; then fget+="$f "; fi
done
count="$(echo "$fget" | wc -w)"
if [ "${count:-0}" -eq 0 ]; then
echo "No result file(s) found"
exit 0
elif [ "${count-0}" -gt 1 ]; then
printf "\nMultiple results found, listing %d html files:\n" "$count"
for rf in $fget; do
find "$rf" -printf ' [%TF %TH:%TM] %f\n'
done
printf "\nTo show a file use: \"%s -o <file.html>\"\n\n" "$scriptName"
exit 0
fi
fi
fdir="$(dirname "$out_path")"
if ! echo "$fget" | grep -q "$fdir"; then
ffile="$(dirname "$out_path")/$fget"
else
ffile="$fget"
fi
if [ -s "$ffile" ]; then
func_showResult "$ffile"
else
echo "Result file not found"
fi
exit 0
else
func_help
fi
# more config checks: if these vars are missing, set defaults
if [ -z "$freenom_http_retry" ]; then freenom_http_retry=1; fi
if [ -z "$freenom_list" ]; then freenom_list=0; fi
if [ -z "$freenom_list_records" ]; then freenom_list_records=0; fi
if [ -z "$freenom_list_renewals" ]; then freenom_list_renewals=0; fi
if [ -z "$freenom_renew_all" ]; then freenom_renew_all=0; fi
if [ -z "$freenom_update_force" ]; then freenom_update_force=0; fi
if [ -z "$freenom_update_ip" ]; then freenom_update_ip=0; fi
if [ -z "$freenom_update_ipv" ]; then freenom_update_ipv=4; fi
if [ -z "$freenom_update_ttl" ]; then freenom_update_ttl="3600"; fi
if [ -z "$freenom_update_ip_retry" ]; then freenom_update_ip_retry=3; fi
if [ "${debug:-0}" -ge 1 ]; then
func_debugVars "$@"
fi
# log start msg
if [ "${freenom_update_ip:-0}" -eq 1 ]; then
func_updateDomVars
if [[ -n "$freenom_update_ip_log" && "${freenom_update_ip_log:-0}" -eq 1 ]]; then
echo -e "[$(date)] [$$] Start: Update ip of \"${updateDomain}\"" >>"${out_path}.log"
else
printf "[%s] Start: Update ip of \"%s\" $(date)" "${updateDomain}"
fi
elif [[ "${freenom_renew_domain:-0}" -eq 1 || "${freenom_renew_all:-0}" -eq 1 ]]; then
if [[ -n "${freenom_renew_log:-0}" && "${freenom_renew_log:-0}" -eq 1 ]]; then
echo -e "[$(date)] [$$] Start: Domain renewal" >>"${out_path}.log"
else
printf "[%s] Start: Domain renewal" "$(date)"
fi
fi
##########
# Get IP #
##########
if [ "${freenom_update_ip:-0}" -eq 1 ]; then
if [[ -n "$freenom_update_manual" && "${freenom_update_manual:-0}" -eq 0 ]]; then
func_sortIpCmd
i=0
# try getting ip by running random ipCmd(s), stop after max retries
while [[ "$currentIp" == "" && "$i" -lt "$freenom_update_ip_retry" ]]; do
currentIp="$(func_randIp || true)"
i=$((i + 1))
done
if [ "$currentIp" == "" ]; then
eMsg="Could not get current local ip address"
fi
else
if [ "$freenom_static_ip" != "" ]; then
currentIp="$freenom_static_ip"
else
eMsg="Valid static ip address missing for manual update"
uMsg="\n%7sUse \"-m <ip>\" or remove static option for auto detect\n"
fi
fi
# shellcheck disable=SC2059
if [ "$currentIp" == "" ]; then
printf "Error: ${eMsg}${uMsg}\n"
echo "[$(date)] [$$] Error: $eMsg" >>"${out_path}.log"
exit 1
fi
# ipcheck single domain
if [[ -n "$freenom_update_all" && "${freenom_update_all:-0}" -eq 0 ]]; then
func_updateDomVars
if ! func_ipCheck "$updateDomain"; then
if [[ -n "$freenom_update_ip_log" && "${freenom_update_ip_log:-0}" -eq 1 ]]; then
uMsg="Update: Skipping \"${updateDomain}\" - found same ip \"$currentIp\""
echo "$uMsg"
echo "[$(date)] [$$] $uMsg" >>"${out_path}.log"
echo "[$(date)] [$$] Done" >>"${out_path}.log"
fi
exit 0
fi
fi
fi
#########
# Login #
#########
retry=1
while [ "$retry" -le "$freenom_http_retry" ]; do
cookie_file="$(mktemp)"
if [ "${debug:-0}" -ge 1 ]; then
echo "DEBUG: $pad8 logintoken cookie_file=$cookie_file"
fi
# DEBUG: comment 'loginPage' line below for debugging
# shellcheck disable=SC2086
loginPage="$(curl $c_opts $curlExtraOpts -A "$agent" -c "$cookie_file" -w "$http_code" \
"https://my.freenom.com/clientarea.php" 2>&1)" || { \
eMsg="Error: Login token - failure (curl error code: $?)"
echo "$eMsg"
echo "[$(date)] [$$] $eMsg" >>"${out_path}.log"
exit 1
}
func_httpOut "$loginPage"
loginPage="$httpOut"
if [ "${httpCode:-"000"}" -eq "200" ]; then
if echo "$loginPage" | grep -q "token.*value="; then
# token length is 40 chars, numbers and lowercase letters a-f
token="$(echo "$loginPage" | grep -E -m 1 -o '[0-9a-f]{40}')"
break
else
printf "Error: Login token - value not found (try %s/%s)\\n" "$retry" "$freenom_http_retry"
retry="$((retry + 1))"
fi
else
# handle http status other than '200'
func_httpError "$loginPage" "Login token"
retry="$((retry + 1))"
fi
done
if [ "${debug:-0}" -ge 1 ]; then
func_debugHttp "logintoken" "clientarea token=$token"
fi
if [ -z "$token" ]; then
eMsg="Error: Login token - value empty after $freenom_http_retry max tries, exiting..."
echo "$eMsg"
echo "[$(date)] [$$] $eMsg" >>"${out_path}.log"
exit 1
fi
retry=1
clientareaURL="https://my.freenom.com/clientarea.php"
dologinURL="https://my.freenom.com/dologin.php"
while [ "$retry" -le "$freenom_http_retry" ]; do
# DEBUG: comment loginResult for debugging
if [ "${oldCurl:-0} " -eq 1 ]; then
# shellcheck disable=SC2086
loginResult="$(curl $c_opts $curlExtraOpts -A "$agent" -e "$clientareaURL" -c "$cookie_file" -w "$http_code" \
-F "username=$freenom_email" -F "password=$freenom_passwd" -F "token=$token" "$dologinURL")"
else
# shellcheck disable=SC2086
loginResult="$(curl $c_opts $curlExtraOpts -A "$agent" -e "$clientareaURL" -c "$cookie_file" -w "$http_code" \
-F "username=$freenom_email" -F "password=\"$freenom_passwd\"" -F "token=$token" "$dologinURL")"
fi
func_httpOut "$loginResult"
loginResult="$httpOut"
incorrectPat="Location: /clientarea.php\?incorrect=true|Login Details Incorrect"
if [ "$(echo -e "$loginResult" | grep -E "$incorrectPat")" != "" ]; then
eMsg="Error: Login failed, incorrect details"
echo "$eMsg"
echo "[$(date)] [$$] $eMsg" >>"${out_path}.log"
exit 1
fi
if [ "${httpCode:-"000"}" -eq "200" ]; then
break
else
func_httpError "$loginResult" "Login"
retry="$((retry + 1))"
fi
done
if [ "${debug:-0}" -ge 1 ]; then
func_debugHttp "login" "dologin.php username=$freenom_email"
fi
if [ "$retry" -gt "$freenom_http_retry" ]; then
eMsg="Error: Login - max retries $freenom_http_retry was reached, exiting..."
echo "$eMsg"
echo "[$(date)] [$$] $eMsg" >>"${out_path}.log"
exit 1
fi
###################
# Get Domain info #
###################
# Retrieve client area page, get domain detail urls and loop over them to get all data
# arrays: domainId, domainName, domainRegDate, domainExpiryDate
# shellcheck disable=SC2004
if [ "$freenom_domain_id" == "" ]; then
myDomainsURL="https://my.freenom.com/clientarea.php?action=domains&itemlimit=all&token=$token"
# DEBUG: for debugging use local file instead:
# DEBUG: myDomainsURL="file:///home/user/src/freenom/myDomainsPage"
retry=1
# first get mydomains page
while [ "$retry" -le "$freenom_http_retry" ]; do
if [ "${debug:-0}" -ge 1 ]; then
func_debugHttp "domains" "myDomainsPage"
fi
# shellcheck disable=SC2086
myDomainsPage="$(curl $c_opts $curlExtraOpts -A "$agent" -b "$cookie_file" -w "$http_code" "$myDomainsURL")"
func_httpOut "$myDomainsPage"
myDomainsPage="$httpOut"
if [ "${httpCode:-"000"}" -eq "200" ]; then
break
else
func_httpError "$myDomainsPage" "My domains page"
retry="$((retry + 1))"
fi
done
if [ "$retry" -gt "$freenom_http_retry" ]; then
eMsg="Error: My domains page - $freenom_http_retry max retries was reached, exiting..."
echo "$eMsg"
echo "[$(date)] [$$] $eMsg" >>"${out_path}.log"
exit 1
fi
# if we have mydomains page, get domaindetails url(s) from result
if [ -n "$myDomainsPage" ]; then
# old: myDomainsResult="$( echo -e "$myDomainsPage" | sed -n '/href.*external-link/,/action=domaindetails/p' | sed -n 's/.*id=\([0-9]\+\).*/\1/p;g' )"
myDomainsResult="$(echo -e "$myDomainsPage" | sed -n 's/.*"\(clientarea.php?action=domaindetails&id=[0-9]\+\)".*/\1/p;g')"
if [[ "${freenom_update_ip:-0}" -eq 1 || "${freenom_list_records:-0}" -eq 1 ]]; then
# on ip update or list_records reverse sort newest first to possibly get a quicker match below
myDomainsResult=$(echo "$myDomainsResult" | tr ' ' '\n' | sort -r)
fi
i=0
# iterate over domaindetails url(s)
for url in $myDomainsResult; do
retry=1
while [ "$retry" -le "$freenom_http_retry" ]; do
if [ "${debug:-0}" -ge 1 ]; then
func_debugHttp "domains" "domainDetails"
fi
# DEBUG: for debugging use local file instead:
# domainDetails=$( curl $c_opts $curlExtraOpts -A "$agent" -b "$cookie_file" -w "$http_code" "file:///home/user/src/freenom/domainDetails_$i.bak" )
# shellcheck disable=SC2086
domainDetails="$(curl $c_opts $curlExtraOpts -A "$agent" -b "$cookie_file" -w "$http_code" "https://my.freenom.com/$url")"
func_httpOut "$domainDetails"
domainDetails="$httpOut"
if [ "${httpCode:-"000"}" -eq "200" ]; then
domainId[$i]="$(echo "$url" | sed -n 's/.*id=\([0-9]\+\).*/\1/p;g')"
domainName[$i]="$(echo -e "$domainDetails" | sed -n 's/.*Domain:\(.*\)<[a-z].*/\1/p' | sed -e 's/<[^>]\+>//g' -e 's/ *//g')"
if [ "${debug:-0}" -ge 1 ]; then
echo "DEBUG: $(date '+%H:%M:%S') domains $pad4 domainId=${domainId[$i]} domainName=${domainName[$i]} (${#domainId[@]}/$(echo "$myDomainsResult" | wc -w))"