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1a77490969
Some DNS servers for which dns_nsupdate.sh is applicable (such as dyn.com's 'Standard DNS' TSIG update mechanism), require that the zone be set during the nsupdate transaction. Therefore we add a new environment variable NSUPDATE_ZONE which is used to set the zone for the DNS TSIG transaction. Signed-off-by: Daniel F. Dickinson <cshored@thecshore.com>
85 lines
2.5 KiB
Bash
Executable File
85 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env sh
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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=$2
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_checkKeyFile || return 1
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[ -n "${NSUPDATE_SERVER}" ] || NSUPDATE_SERVER="localhost"
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[ -n "${NSUPDATE_SERVER_PORT}" ] || NSUPDATE_SERVER_PORT=53
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# save the dns server and key to the account conf file.
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_saveaccountconf NSUPDATE_SERVER "${NSUPDATE_SERVER}"
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_saveaccountconf NSUPDATE_SERVER_PORT "${NSUPDATE_SERVER_PORT}"
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_saveaccountconf NSUPDATE_KEY "${NSUPDATE_KEY}"
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_saveaccountconf NSUPDATE_ZONE "${NSUPDATE_ZONE}"
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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=$1
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_checkKeyFile || return 1
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[ -n "${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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