From 923eece3f50f455c076da8e101a1c15ba3031653 Mon Sep 17 00:00:00 2001 From: anom-human <80478363+anom-human@users.noreply.github.com> Date: Thu, 11 Mar 2021 19:11:02 +0100 Subject: [PATCH] Update dns_servercow.sh to support wildcard certs Updated dns_servercow.sh to support txt records with multiple entries. This supports wildcard certificates that require txt records with the same name and different contents. --- dnsapi/dns_servercow.sh | 42 +++++++++++++++++++++++++++++++++-------- 1 file changed, 34 insertions(+), 8 deletions(-) diff --git a/dnsapi/dns_servercow.sh b/dnsapi/dns_servercow.sh index e73d85b0..39f16396 100755 --- a/dnsapi/dns_servercow.sh +++ b/dnsapi/dns_servercow.sh @@ -48,18 +48,44 @@ dns_servercow_add() { _debug _sub_domain "$_sub_domain" _debug _domain "$_domain" - - if _servercow_api POST "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":20}"; then - if printf -- "%s" "$response" | grep "ok" >/dev/null; then - _info "Added, OK" - return 0 + + # check whether a txt record already exists for the subdomain + if printf -- "%s" "$response" | grep "{\"name\":\"$_sub_domain\",\"ttl\":20,\"type\":\"TXT\"" >/dev/null; then + _info "A txt record with the same name already exists." + # trim the string on the left + txtvalue_old=${response#*{\"name\":\"$_sub_domain\",\"ttl\":20,\"type\":\"TXT\",\"content\":\"} + # trim the string on the right + txtvalue_old=${txtvalue_old%%\"*} + + _debug txtvalue_old "$txtvalue_old" + + _info "Add the new txtvalue to the existing txt record." + if _servercow_api POST "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":[\"$txtvalue\",\"$txtvalue_old\"],\"ttl\":20}"; then + if printf -- "%s" "$response" | grep "ok" >/dev/null; then + _info "Added additional txtvalue, OK" + return 0 + else + _err "add txt record error." + return 1 + fi + fi + _err "add txt record error." + return 1 else + _info "There is no txt record with the name yet." + if _servercow_api POST "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":20}"; then + if printf -- "%s" "$response" | grep "ok" >/dev/null; then + _info "Added, OK" + return 0 + else + _err "add txt record error." + return 1 + fi + fi _err "add txt record error." return 1 - fi fi - _err "add txt record error." - + return 1 }