diff --git a/dnsapi/dns_freedns.sh b/dnsapi/dns_freedns.sh index 61899e4a..0bd3a6d7 100755 --- a/dnsapi/dns_freedns.sh +++ b/dnsapi/dns_freedns.sh @@ -51,68 +51,38 @@ dns_freedns_add() { # sub_domain is the element before the first dot top_domain="$(echo "$fulldomain" | cut -d. -f 2-)" sub_domain="$(echo "$fulldomain" | cut -d. -f 1)" + DNSdomainid= - _debug "top_domain: $top_domain" - _debug "sub_domain: $sub_domain" + while [ -z "$DNSdomainid" ]; do + _debug "top_domain: $top_domain" + _debug "sub_domain: $sub_domain" - # Sometimes FreeDNS does not return the subdomain page but rather - # returns a page regarding becoming a premium member. This usually - # happens after a period of inactivity. Immediately trying again - # returns the correct subdomain page. So, we will try twice to - # load the page and obtain our domain ID - attempts=2 - while [ "$attempts" -gt "0" ]; do - attempts="$(_math "$attempts" - 1)" - - htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")" + found_domainid="$(_freedns_find_domain "$FREEDNS_COOKIE" "$top_domain")" if [ "$?" != "0" ]; then - if [ "$using_cached_cookies" = "true" ]; then - _err "Has your FreeDNS username and password changed? If so..." - _err "Please export as FREEDNS_User / FREEDNS_Password and try again." - fi - return 1 - fi - - subdomain_csv="$(echo "$htmlpage" | tr -d "\n\r" | _egrep_o '
' | sed 's//@/g' | tr '@' '\n' | grep edit.php | grep "$top_domain")" - _debug3 "subdomain_csv: $subdomain_csv" - - # The above beauty ends with striping out rows that do not have an - # href to edit.php and do not have the top domain we are looking for. - # So all we should be left with is CSV of table of subdomains we are - # interested in. - - # Now we have to read through this table and extract the data we need - lines="$(echo "$subdomain_csv" | wc -l)" - i=0 - found=0 - DNSdomainid="" - while [ "$i" -lt "$lines" ]; do - i="$(_math "$i" + 1)" - line="$(echo "$subdomain_csv" | sed -n "${i}p")" - _debug2 "line: $line" - if [ $found = 0 ] && _contains "$line" "$top_domain"; then - # this line will contain DNSdomainid for the top_domain - DNSdomainid="$(echo "$line" | _egrep_o "edit_domain_id *= *.*>" | cut -d = -f 2 | cut -d '>' -f 1)" - _debug2 "DNSdomainid: $DNSdomainid" - found=1 - break - fi - done - - if [ -z "$DNSdomainid" ]; then - # If domain ID is empty then something went wrong (top level - # domain not found at FreeDNS). - if [ "$attempts" = "0" ]; then - # exhausted maximum retry attempts - _err "Domain $top_domain not found at FreeDNS" + # Check if there is a dot in the top_domain + # If not, we can't split any more and should assume the domain doesn't exist + if ! echo "$top_domain" | grep -qF '.'; then + _info "Domain $top_domain not found at FreeDNS. All domain parts exhausted" + _err "Domain $fulldomain not found at FreeDNS" return 1 fi + + # Move the subdomain part from top_domain to the bottom of top_domain + # e.g a | b.c.d becomes a.b | c.d where the pipe represents the split + _info "Domain $top_domain not found at FreeDNS. Splitting again" + sub_domain="$sub_domain.$(echo "$top_domain" | cut -d. -f 1)" + top_domain="$(echo "$top_domain" | cut -d. -f 2-)" + + # Try again with the newly split domain + continue + else - # break out of the 'retry' loop... we have found our domain ID + # Domain found, carry on! + DNSdomainid="$found_domainid" + _info "Domain $top_domain found at FreeDNS!" + _debug2 "DNSdomainid for $top_domain: $DNSdomainid" break fi - _info "Domain $top_domain not found at FreeDNS" - _info "Retry loading subdomain page ($attempts attempts remaining)" done # Add in new TXT record with the value provided @@ -244,6 +214,73 @@ _freedns_login() { return 0 } +# usage: _freedns_find_domain "" "www.domain.com" +# print DNSdomainid on success +# returns 0 on success +_freedns_find_domain() { + FREEDNS_COOKIE="$1" + top_domain="$2" + + # Sometimes FreeDNS does not return the subdomain page but rather + # returns a page regarding becoming a premium member. This usually + # happens after a period of inactivity. Immediately trying again + # returns the correct subdomain page. So, we will try twice to + # load the page and obtain our domain ID + attempts=2 + while [ "$attempts" -gt "0" ]; do + attempts="$(_math "$attempts" - 1)" + + htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")" + if [ "$?" != "0" ]; then + if [ "$using_cached_cookies" = "true" ]; then + _err "Has your FreeDNS username and password changed? If so..." + _err "Please export as FREEDNS_User / FREEDNS_Password and try again." + fi + return 1 + fi + + subdomain_csv="$(echo "$htmlpage" | tr -d "\n\r" | _egrep_o '' | sed 's//@/g' | tr '@' '\n' | grep edit.php | grep "$top_domain")" + _debug3 "subdomain_csv: $subdomain_csv" + + # The above beauty ends with striping out rows that do not have an + # href to edit.php and do not have the top domain we are looking for. + # So all we should be left with is CSV of table of subdomains we are + # interested in. + + # Now we have to read through this table and extract the data we need + lines="$(echo "$subdomain_csv" | wc -l)" + i=0 + found=0 + DNSdomainid="" + while [ "$i" -lt "$lines" ]; do + i="$(_math "$i" + 1)" + line="$(echo "$subdomain_csv" | sed -n "${i}p")" + _debug2 "line: $line" + if [ $found = 0 ] && _contains "$line" "$top_domain"; then + # this line will contain DNSdomainid for the top_domain + DNSdomainid="$(echo "$line" | _egrep_o "edit_domain_id *= *.*>" | cut -d = -f 2 | cut -d '>' -f 1)" + _debug2 "DNSdomainid: $DNSdomainid" + found=1 + break + fi + done + + if [ -z "$DNSdomainid" ]; then + # If domain ID is empty then something went wrong (top level + # domain not found at FreeDNS). + if [ "$attempts" = "0" ]; then + # exhausted maximum retry attempts + return 1 + fi + else + # break out of the 'retry' loop... we have found our domain ID + printf "%s" "$DNSdomainid" + return 0 + fi + _debug "Retry loading subdomain page ($attempts attempts remaining)" + done +} + # usage _freedns_retrieve_subdomain_page login_cookies # echo page retrieved (html) # returns 0 success