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309 lines
11 KiB
309 lines
11 KiB
#!/bin/sh
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g_pslfile=/usr/share/public_suffix_list.dat.gz
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[ -f "$g_pslfile" ] || g_pslfile="$(dirname $0)/public_suffix_list.dat.gz"
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g_pslerr=0
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g_cfgfile="ddns"
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# modify "cloudflare.com-v1" domain to new syntax
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# returns "host[.subdom]@domain.TLD" of given FQDN #############################
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mod_cloudflare_v1_domain() {
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# $1 entry to validate/split
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[ -f "$g_pslfile" ] || return 1
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[ $# -ne 1 -o -z "$1" ] && \
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{ printf "%s\\n" "mod_cloudflare_v1_domain() - Invalid number of parameters" >&2; return 1; }
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local mcd_fqdn=$1
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local mcd_fsub=""
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local mcd_fdom=""
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local mcd_ctld=""
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local mcd_ftld=""
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# check if already new syntax, "@" inside string
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if [ $( printf "%s" "$mcd_fqdn" | grep -cF "@" 2>/dev/null ) -gt 0 ]; then
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# already done
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printf "%s" "$mcd_fqdn"
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return 0
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fi
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# we need to do in one line because otherwise sh doesn't work correctly
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# to lower | replace "." to " " | awk invert word order
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set -- $(printf %s "$mcd_fqdn" | tr [A-Z] [a-z] | tr "." " " \
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| awk '{do printf "%s"(NF>1?OFS:ORS),$NF;while (--NF)}' )
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while [ -n "${1:-}" ] ; do # as long we have parameters
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if [ -z "$mcd_ctld" ]; then # first loop
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mcd_ctld="$1" # CURRENT TLD to look at
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shift
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else
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mcd_ctld="$1.$mcd_ctld" # Next TLD to look at
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shift
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fi
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# check if TLD exact match in public_suffix_name.dat, save TLD
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zcat $g_pslfile | grep -E "^$mcd_ctld$" >/dev/null 2>&1 && {
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mcd_ftld="$mcd_ctld" # save found
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mcd_fdom="${1:-}" # save domain next step might be invalid
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continue
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}
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# check if match any "*" in public_suffix_name.dat,
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zcat $g_pslfile | grep -E "^\*.$mcd_ctld$" >/dev/null 2>&1 && {
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[ -z "${1:-}" ] && break # no more data break
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# check if next level TLD match excludes "!" in tld_names.dat
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if zcat $g_pslfile | grep -E "^!$1.$mcd_ctld$" >/dev/null 2>&1 ; then
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mcd_ftld="$mcd_ctld" # Yes
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else
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mcd_ftld="$1.$mcd_ctld"
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shift
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fi
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mcd_fdom="$1"; shift
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}
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[ -n "$mcd_ftld" ] && break # we have something valid, break
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done
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# the leftover parameters are the HOST/SUBDOMAIN
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while [ -n "${1:-}" ]; do
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mcd_fsub="${1}${mcd_fsub:+.$mcd_fsub}" # remember we need to invert
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shift # and insert dot if mcd_fsub not empty
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done
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# now validate found data
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[ -z "$mcd_ftld" ] && { printf "%s\\n" "mod_cloudflare_v1_domain() - no TLD not found in '$mcd_fqdn'" >&1; return 1; }
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[ -z "$mcd_fdom" ] && { printf "%s\\n" "mod_cloudflare_v1_domain() - no registrable Domain not found in '$mcd_fqdn'" >&1; return 1; }
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# return data
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printf "%s" "${mcd_fsub:+${mcd_fsub}@}${mcd_fdom}.${mcd_ftld}"
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return 0
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}
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# modify timer settings from interval and unit to dhms format
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timer2dhms() {
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# $1 Number and
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# $2 Unit of time interval
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local t=0
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case $2 in
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days) t=$(( $1 * 86400 ));;
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hours) t=$(( $1 * 3600 ));;
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minutes) t=$(( $1 * 60 ));;
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*) t=$1;;
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esac
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local d=$(( $t / 86400 ))
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local h=$(( $t % 86400 / 3600 ))
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local m=$(( $t % 3600 / 60 ))
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local s=$(( $t % 60 ))
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if [ $d -gt 0 ]; then printf "%dd %02dh %02dm %02ds" "$d" "$h" "$m" "$s"
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elif [ $h -gt 0 ]; then printf "%dh %02dm %02ds" "$h" "$m" "$s"
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elif [ $m -gt 0 ]; then printf "%dm %02ds" "$m" "$s"
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else printf "%ds" "$s"; fi
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unset d h m s t
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return 0
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}
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# using function to not confuse function calls with existing ones inside /lib/functions.sh
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update_config() {
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uc_uci="$(which uci) -q" # ignore errors
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uc_cfg=""
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uc_name=""
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uc_var=""
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uc_val=""
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package() { return 0; }
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config () {
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uc_cfg="$1"
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uc_name="$2"
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# Type = ddns Name = global
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if [ "$uc_cfg" = "$g_cfgfile" -a "$uc_name" = "global" ]; then
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option() {
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uc_var="$1"; shift
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uc_val="$*"
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case "$uc_var" in
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allow_local_ip) $uc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_privateip";;
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date_format) $uc_uci rename $g_cfgfile.$uc_name.$uc_var="ddns_dateformat";;
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log_lines) $uc_uci rename $g_cfgfile.$uc_name.$uc_var="ddns_loglines";;
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log_dir) $uc_uci rename $g_cfgfile.$uc_name.$uc_var="ddns_logdir";;
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run_dir) $uc_uci rename $g_cfgfile.$uc_name.$uc_var="ddns_rundir";;
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# leave all other options currently unchanged
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*) ;;
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esac
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}
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# Type = service Name = ???
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elif [ "$uc_cfg" = "service" ]; then
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option() {
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uc_var="$1"; shift
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uc_val="$*"
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case "$uc_var" in
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# fix some option service_name values
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# and some settings for specific providers
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service_name|upd_provider)
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case "$uc_val" in
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freedns\.afraid\.org|afraid\.org)
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="afraid.org-keyauth";;
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Bind-nsupdate)
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="bind-nsupdate";;
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CloudFlare|cloudflare\.com|cloudflare\.com-v1)
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# verify if lookup_host is set
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$uc_uci get $g_cfgfile.$uc_name.lookup_host >/dev/null 2>&1 || {
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ucv_domain=$($uc_uci get $g_cfgfile.$uc_name.domain 2>/dev/null)
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$uc_uci set $g_cfgfile.$uc_name.lookup_host="$ucv_domain"
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}
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if [ -f "$g_pslfile" ]; then
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# change value of domain/upd_object to new syntax
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# there is no sort order inside uci data so we need multiple checks
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ucv_domain=$($uc_uci get $g_cfgfile.$uc_name.domain 2>/dev/null)
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ucv_object=$($uc_uci get $g_cfgfile.$uc_name.upd_object 2>/dev/null)
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# still old option domain
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if [ -n "$ucv_domain" ]; then
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ucv_new=$(mod_cloudflare_v1_domain "$ucv_domain") || g_pslerr=1
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# no error save data save data
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[ $g_pslerr -eq 0 ] && \
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$uc_uci set $g_cfgfile.$uc_name.domain="$ucv_new"
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fi
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# already new option upd_object
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if [ -n "$ucv_object" ]; then
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ucv_new=$(mod_cloudflare_v1_domain "$ucv_object") || g_pslerr=1
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# no error save data save data
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[ $g_pslerr -eq 0 ] && \
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$uc_uci set $g_cfgfile.$uc_name.upd_object="$ucv_new"
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fi
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fi
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unset ucv_domain ucv_object ucv_new
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# set new option value
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="cloudflare.com-v1"
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;;
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dyndns\.org|dyndns\.com)
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="dyn.com";;
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free\.editdns\.net)
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="editdns.net";;
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domains\.google\.com)
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="google.com";;
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loopia\.com)
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="loopia.se";;
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NoIP\.com|No-IP\.com)
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="no-ip.com";;
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spdns\.de)
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="spdyn.de";;
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strato\.de)
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="strato.com";;
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*)
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# all others leave unchanged
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;;
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esac
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# rename option service_name to option upd_provider
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# $uc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_provider"
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;;
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domain|upd_object)
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# verify if lookup_host is set
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$uc_uci get $g_cfgfile.$uc_name.lookup_host >/dev/null 2>&1 || \
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$uc_uci set $g_cfgfile.$uc_name.lookup_host="$uc_val"
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if [ -f "$g_pslfile" ]; then
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# if service_name/upd_provider cloudflare_v1 then change domain/upd_object to new syntax
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# there is no sort order inside uci data so we need multiple checks
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uco_provider=$($uc_uci get $g_cfgfile.$uc_name.upd_provider 2>/dev/null) || \
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uco_provider=$($uc_uci get $g_cfgfile.$uc_name.service_name 2>/dev/null)
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if [ "$uco_provider" = "CloudFlare" \
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-o "$uco_provider" = "cloudflare.com" \
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-o "$uco_provider" = "cloudflare.com-v1" ]; then
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ucv_new=$(mod_cloudflare_v1_domain "$uc_val") || g_pslerr=1
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# no error save data save data
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[ $g_pslerr -eq 0 ] && \
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$uc_uci set $g_cfgfile.$uc_name.$uc_var="$ucv_new"
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unset ucv_new
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fi
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unset uco_provider
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fi
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# rename option domain to option upd_object
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# $uc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_object"
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;;
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# dns_server)
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# # if bind-nsupdate takeover old "dns_server" value as new "upd_nsupd_server" value
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# uco_provider=$($uc_uci get $g_cfgfile.$uc_name.upd_provider 2>/dev/null) || \
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# uco_provider=$($uc_uci get $g_cfgfile.$uc_name.service_name 2>/dev/null)
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# [ "$uco_provider" = "Bind-nsupdate" -o \
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# "$uco_provider" = "bind-nsupdate" ] && \
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# $uc_uci set $g_cfgfile.$uc_name.upd_nsupd_server="$uc_val"
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# # rename option dns_server to new option global_dnssvr
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# $udc_uci rename $g_cfgfile.$uc_name.$uc_var="global_dnssvr"
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# ;;
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# bind_network)
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# $udc_uci set $g_cfgfile.$uc_name.upd_url_bindnet="$uc_val"
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# $udc_uci rename $g_cfgfile.$uc_name.$uc_var="lip_url_bindnet"
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# ;;
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# proxy)
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# # proxy value must include protocoll
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# $udc_uci set $g_cfgfile.$uc_name.$uc_var="http://$uc_val"
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# $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_url_proxy"
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# ;;
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# use_ipv6)
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# $udc_uci set $g_cfgfile.$uc_name.$uc_var="$(( 4 + ( 2 * $uc_val ) ))"
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# $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_ipversion"
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# TODO update_url)
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# TODO update_script)
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# other renames
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# TODO lookup_host) -> rip_host
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# enabled) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_enabled";;
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# force_dnstcp) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="rip_host_dnstcp";;
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# is_glue) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="rip_host_isglue";;
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# ip_interface) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="lip_iface";;
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# ip_network) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="lip_net";;
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# use_https) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_url_secure";;
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# cacert) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_url_cacert";;
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# username) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_username";;
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# password) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_password";;
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# param_opt) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_paramopt";;
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# param_enc) $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_paramenc";;
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# leave all other options currently unchanged
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*) ;;
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esac
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return 0
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}
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return 0
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# ignore unknown
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else
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return 0
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fi
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}
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# read config file
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uc_data=$($uc_uci -S -n export "$g_cfgfile")
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uc_ret="$?"
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# Error then create config file
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[ $uc_ret -ne 0 ] && {
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touch /etc/config/$uc_cfgfile
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chmod 644 /etc/config/$uc_cfgfile
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}
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# No error and uc_data then execute (eval)
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# this will call functions defined above
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[ $uc_ret -eq 0 -a -n "$uc_data" ] && eval "$uc_data"
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# add config ddns "global" (ignore error if exists)
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$uc_uci set ddns.global="$g_cfgfile"
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# write changes to config file
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$uc_uci commit "$g_cfgfile"
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unset uc_uci uc_cfg uc_name uc_var uc_val uc_ret uc_data
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return 0
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}
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# clear LuCI indexcache
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rm -f /tmp/luci-indexcache >/dev/null 2>&1
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# do config update
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update_config
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#cleanup
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[ $g_pslerr -ne 0 ] && {
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unset g_pslfile g_pslerr g_cfgfile
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return 1
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}
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[ -f "$g_pslfile" ] && rm -f "$g_pslfile"
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unset g_pslfile g_pslerr g_cfgfile
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return 0
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