116 lines
4.0 KiB
Bash
116 lines
4.0 KiB
Bash
#!/usr/bin/env sh
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#Author StefanAbl
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#Usage specify a private keyfile to use with dynv6 'export KEY="path/to/keyfile"'
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#if no keyfile is specified, you will be asked if you want to create one in /home/$USER/.ssh/dynv6 and /home/$USER/.ssh/dynv6.pub
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######## Public functions #####################
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# Please Read this guide first: https://github.com/Neilpang/acme.sh/wiki/DNS-API-Dev-Guide
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#Usage: dns_myapi_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_dynv6_add() {
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fulldomain=$1
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txtvalue=$2
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_info "Using dynv6 api"
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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_get_keyfile
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_info "using keyfile $dynv6_keyfile"
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_your_hosts="$(ssh -i "$dynv6_keyfile" api@dynv6.com hosts)"
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if ! _get_domain "$fulldomain" "$_your_hosts"; then
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_err "Host not found on your account"
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return 1
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fi
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_debug "found host on your account"
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returnval="$(ssh -i "$dynv6_keyfile" api@dynv6.com hosts \""$_host"\" records set \""$_record"\" txt data \""$txtvalue"\")"
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_debug "Dynv6 returend this after record was added: $returnval"
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if _contains "$returnval" "created"; then
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return 0
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elif _contains "$returnval" "updated"; then
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return 0
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else
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_err "Something went wrong! it does not seem like the record was added succesfully"
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return 1
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fi
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return 1
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}
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#Usage: fulldomain txtvalue
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#Remove the txt record after validation.
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dns_dynv6_rm() {
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fulldomain=$1
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txtvalue=$2
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_info "Using dynv6 api"
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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_get_keyfile
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_info "using keyfile $dynv6_keyfile"
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_your_hosts="$(ssh -i "$dynv6_keyfile" api@dynv6.com hosts)"
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if ! _get_domain "$fulldomain" "$_your_hosts"; then
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_err "Host not found on your account"
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return 1
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fi
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_debug "found host on your account"
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_info "$(ssh -i "$dynv6_keyfile" api@dynv6.com hosts "\"$_host\"" records del "\"$_record\"" txt)"
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return 0
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}
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#################### Private functions below ##################################
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#Usage: No Input required
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#returns
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#dynv6_keyfile the path to the new keyfile that has been generated
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_generate_new_key() {
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dynv6_keyfile="$(eval echo ~"$USER")/.ssh/dynv6"
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_info "Path to key file used: $dynv6_keyfile"
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if [ ! -f "$dynv6_keyfile" ] && [ ! -f "$dynv6_keyfile.pub" ]; then
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_debug "generating key in $dynv6_keyfile and $dynv6_keyfile.pub"
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ssh-keygen -f "$dynv6_keyfile" -t ssh-ed25519 -N ''
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else
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_err "There is already a file in $dynv6_keyfile or $dynv6_keyfile.pub"
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return 1
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fi
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}
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#Usage: _acme-challenge.www.example.dynv6.net "$_your_hosts"
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#where _your_hosts is the output of ssh -i ~/.ssh/dynv6.pub api@dynv6.com hosts
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#returns
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#_host= example.dynv6.net
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#_record=_acme-challenge.www
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#aborts if not a valid domain
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_get_domain() {
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#_your_hosts="$(ssh -i ~/.ssh/dynv6.pub api@dynv6.com hosts)"
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_full_domain="$1"
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_your_hosts="$2"
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_your_hosts="$(echo "$_your_hosts" | awk '/\./ {print $1}')"
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for l in $_your_hosts; do
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#echo "host: $l"
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if test "${_full_domain#*$l}" != "$_full_domain"; then
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_record="${_full_domain%.$l}"
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_host=$l
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_debug "The host is $_host and the record $_record"
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return 0
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fi
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done
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_err "Either their is no such host on your dnyv6 account or it cannot be accessed with this key"
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return 1
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}
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# Usage: No input required
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#returns
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#dynv6_keyfile path to the key that will be used
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_get_keyfile() {
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_debug "get keyfile method called"
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dynv6_keyfile="${dynv6_keyfile:-$(_readaccountconf_mutable dynv6_keyfile)}"
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_debug "Your key is $dynv6_keyfile"
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if [ -z "$dynv6_keyfile" ]; then
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if [ -z "$KEY" ]; then
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_err "You did not specify a key to use with dynv6"
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_info "Creating new dynv6 api key to add to dynv6.com"
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_generate_new_key
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_info "Please add this key to dynv6.com $(cat "$dynv6_keyfile.pub")"
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_info "Hit Enter to contiue"
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read -r _
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#save the credentials to the account conf file.
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else
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dynv6_keyfile="$KEY"
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fi
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_saveaccountconf_mutable dynv6_keyfile "$dynv6_keyfile"
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fi
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}
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