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108 lines
3.6 KiB
108 lines
3.6 KiB
#!/usr/bin/env sh |
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# shellcheck disable=SC2034 |
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dns_nsupdate_info='nsupdate RFC 2136 DynDNS client |
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Site: bind9.readthedocs.io/en/v9.18.19/manpages.html#nsupdate-dynamic-dns-update-utility |
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Docs: github.com/acmesh-official/acme.sh/wiki/dnsapi#dns_nsupdate |
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Options: |
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NSUPDATE_SERVER Server hostname. Default: "localhost". |
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NSUPDATE_SERVER_PORT Server port. Default: "53". |
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NSUPDATE_KEY File path to TSIG key. |
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NSUPDATE_ZONE Domain zone to update. Optional. |
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' |
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######## Public functions ##################### |
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#Usage: dns_nsupdate_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs" |
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dns_nsupdate_add() { |
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fulldomain=$1 |
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txtvalue=$2 |
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NSUPDATE_SERVER="${NSUPDATE_SERVER:-$(_readaccountconf_mutable NSUPDATE_SERVER)}" |
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NSUPDATE_SERVER_PORT="${NSUPDATE_SERVER_PORT:-$(_readaccountconf_mutable NSUPDATE_SERVER_PORT)}" |
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NSUPDATE_KEY="${NSUPDATE_KEY:-$(_readaccountconf_mutable NSUPDATE_KEY)}" |
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NSUPDATE_ZONE="${NSUPDATE_ZONE:-$(_readaccountconf_mutable NSUPDATE_ZONE)}" |
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_checkKeyFile || return 1 |
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# save the dns server and key to the account conf file. |
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_saveaccountconf_mutable NSUPDATE_SERVER "${NSUPDATE_SERVER}" |
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_saveaccountconf_mutable NSUPDATE_SERVER_PORT "${NSUPDATE_SERVER_PORT}" |
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_saveaccountconf_mutable NSUPDATE_KEY "${NSUPDATE_KEY}" |
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_saveaccountconf_mutable NSUPDATE_ZONE "${NSUPDATE_ZONE}" |
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[ -n "${NSUPDATE_SERVER}" ] || NSUPDATE_SERVER="localhost" |
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[ -n "${NSUPDATE_SERVER_PORT}" ] || NSUPDATE_SERVER_PORT=53 |
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_info "adding ${fulldomain}. 60 in txt \"${txtvalue}\"" |
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[ -n "$DEBUG" ] && [ "$DEBUG" -ge "$DEBUG_LEVEL_1" ] && nsdebug="-d" |
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[ -n "$DEBUG" ] && [ "$DEBUG" -ge "$DEBUG_LEVEL_2" ] && nsdebug="-D" |
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if [ -z "${NSUPDATE_ZONE}" ]; then |
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nsupdate -k "${NSUPDATE_KEY}" $nsdebug <<EOF |
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server ${NSUPDATE_SERVER} ${NSUPDATE_SERVER_PORT} |
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update add ${fulldomain}. 60 in txt "${txtvalue}" |
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send |
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EOF |
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else |
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nsupdate -k "${NSUPDATE_KEY}" $nsdebug <<EOF |
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server ${NSUPDATE_SERVER} ${NSUPDATE_SERVER_PORT} |
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zone ${NSUPDATE_ZONE}. |
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update add ${fulldomain}. 60 in txt "${txtvalue}" |
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send |
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EOF |
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fi |
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if [ $? -ne 0 ]; then |
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_err "error updating domain" |
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return 1 |
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fi |
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return 0 |
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} |
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#Usage: dns_nsupdate_rm _acme-challenge.www.domain.com |
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dns_nsupdate_rm() { |
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fulldomain=$1 |
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NSUPDATE_SERVER="${NSUPDATE_SERVER:-$(_readaccountconf_mutable NSUPDATE_SERVER)}" |
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NSUPDATE_SERVER_PORT="${NSUPDATE_SERVER_PORT:-$(_readaccountconf_mutable NSUPDATE_SERVER_PORT)}" |
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NSUPDATE_KEY="${NSUPDATE_KEY:-$(_readaccountconf_mutable NSUPDATE_KEY)}" |
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NSUPDATE_ZONE="${NSUPDATE_ZONE:-$(_readaccountconf_mutable NSUPDATE_ZONE)}" |
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_checkKeyFile || return 1 |
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[ -n "${NSUPDATE_SERVER}" ] || NSUPDATE_SERVER="localhost" |
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[ -n "${NSUPDATE_SERVER_PORT}" ] || NSUPDATE_SERVER_PORT=53 |
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_info "removing ${fulldomain}. txt" |
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[ -n "$DEBUG" ] && [ "$DEBUG" -ge "$DEBUG_LEVEL_1" ] && nsdebug="-d" |
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[ -n "$DEBUG" ] && [ "$DEBUG" -ge "$DEBUG_LEVEL_2" ] && nsdebug="-D" |
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if [ -z "${NSUPDATE_ZONE}" ]; then |
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nsupdate -k "${NSUPDATE_KEY}" $nsdebug <<EOF |
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server ${NSUPDATE_SERVER} ${NSUPDATE_SERVER_PORT} |
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update delete ${fulldomain}. txt |
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send |
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EOF |
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else |
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nsupdate -k "${NSUPDATE_KEY}" $nsdebug <<EOF |
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server ${NSUPDATE_SERVER} ${NSUPDATE_SERVER_PORT} |
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zone ${NSUPDATE_ZONE}. |
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update delete ${fulldomain}. txt |
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send |
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EOF |
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fi |
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if [ $? -ne 0 ]; then |
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_err "error updating domain" |
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return 1 |
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fi |
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return 0 |
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} |
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#################### Private functions below ################################## |
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_checkKeyFile() { |
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if [ -z "${NSUPDATE_KEY}" ]; then |
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_err "you must specify a path to the nsupdate key file" |
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return 1 |
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fi |
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if [ ! -r "${NSUPDATE_KEY}" ]; then |
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_err "key ${NSUPDATE_KEY} is unreadable" |
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return 1 |
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fi |
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}
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