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dns_duckdns.sh - correctly extract domain

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$fulldomain could be just 'domain.duckdns.org' if provided with --domain-alias or '_acme-challenge.domain.duckdns.org' otherwise. In the latter case, '_acme-challenge' is thrown away. Correctly extract 'domain' in both cases.
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Matthew 2020-06-30 07:19:41 -04:00 committed by GitHub
parent 8718ac0c4b
commit 4539d236df
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1 changed files with 3 additions and 4 deletions
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7
dnsapi/dns_duckdns.sh
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@ -91,13 +91,12 @@ dns_duckdns_rm() {
#################### Private functions below ##################################
#fulldomain=acme-challenge-domain.duckdns.org
#returns
# _duckdns_domain=acme-challenge-domain
# fulldomain may be 'domain.duckdns.org' (if using --domain-alias) or '_acme-challenge.domain.duckdns.org'
# either way, return 'domain'. (duckdns does not allow further subdomains and restricts domains to [a-z0-9-].)
_duckdns_get_domain() {
# We'll extract the domain/username from full domain
_duckdns_domain="$(printf "%s" "$fulldomain" | _lower_case | sed 's/^\([a-z0-9-]*\)\.duckdns\.org/\1/')"
_duckdns_domain="$(printf "%s" "$fulldomain" | _lower_case | _egrep_o '^(_acme-challenge\.)?[a-z0-9-]*\.duckdns\.org' | sed -E 's/^(_acme-challenge\.)?([a-z0-9-]*)\.duckdns\.org/\2/')"
if [ -z "$_duckdns_domain" ]; then
_err "Error extracting the domain."