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42 lines
1.1 KiB
42 lines
1.1 KiB
#!/bin/bash
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# example of script to add token to local dns using nsupdate
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fulldomain="$1"
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token="$2"
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# VARIABLES:
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#
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# DNS_NSUPDATE_KEYFILE - path to a TSIG key file, if required
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# DNS_NSUPDATE_GETKEY - command to execute if access to the key file requires
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# some special action: mounting a disk, decrypting a file..
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# Called with the operation 'add' and action 'open" / 'close'
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if [ -n "${DNS_NSUPDATE_KEYFILE}" ]; then
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if [ -n "${DNS_NSUPDATE_KEY_HOOK}" ] && ! ${DNS_NSUPDATE_KEY_HOOK} 'add' 'open' "${fulldomain}" ; then
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exit $(( $? + 128 ))
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fi
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options="-k ${DNS_NSUPDATE_KEYFILE}"
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fi
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cmd=
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if [ -n "${DNS_SERVER}" ]; then
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cmd+="server ${DNS_SERVER}\n"
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fi
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cmd+="update add ${DNS_ZONE:-"_acme-challenge.${fulldomain}."} 300 in TXT \"${token}\"\n"
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cmd+="\n" # blank line is a "send" command to nsupdate
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printf "$cmd" | nsupdate ${options} -v
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sts=$?
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if [ -n "${DNS_NSUPDATE_KEYFILE}" ]; then
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if [ -n "${DNS_NSUPDATE_KEY_HOOK}" ] && ! ${DNS_NSUPDATE_KEY_HOOK} 'add' 'close' "${fulldomain}"; then
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exit $(( sts + ( $? * 10 ) ))
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fi
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fi
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exit ${sts}
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