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@ -46,76 +46,34 @@ dns_freedns_add() { |
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_saveaccountconf FREEDNS_COOKIE "$FREEDNS_COOKIE" |
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# split our full domain name into two parts... |
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i="$(echo "$fulldomain" | tr '.' ' ' | wc -w)" |
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i="$(_math "$i" - 1)" |
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top_domain="$(echo "$fulldomain" | cut -d. -f "$i"-100)" |
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i="$(_math "$i" - 1)" |
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sub_domain="$(echo "$fulldomain" | cut -d. -f -"$i")" |
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_debug "top_domain: $top_domain" |
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_debug "sub_domain: $sub_domain" |
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# Sometimes FreeDNS does not return the subdomain page but rather |
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# returns a page regarding becoming a premium member. This usually |
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# happens after a period of inactivity. Immediately trying again |
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# returns the correct subdomain page. So, we will try twice to |
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# load the page and obtain our domain ID |
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attempts=2 |
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while [ "$attempts" -gt "0" ]; do |
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attempts="$(_math "$attempts" - 1)" |
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htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")" |
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if [ "$?" != "0" ]; then |
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if [ "$using_cached_cookies" = "true" ]; then |
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_err "Has your FreeDNS username and password changed? If so..." |
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_err "Please export as FREEDNS_User / FREEDNS_Password and try again." |
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fi |
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return 1 |
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fi |
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subdomain_csv="$(echo "$htmlpage" | tr -d "\n\r" | _egrep_o '<form .*</form>' | sed 's/<tr>/@<tr>/g' | tr '@' '\n' | grep edit.php | grep "$top_domain")" |
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_debug3 "subdomain_csv: $subdomain_csv" |
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# The above beauty ends with striping out rows that do not have an |
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# href to edit.php and do not have the top domain we are looking for. |
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# So all we should be left with is CSV of table of subdomains we are |
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# interested in. |
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# Now we have to read through this table and extract the data we need |
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lines="$(echo "$subdomain_csv" | wc -l)" |
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i=0 |
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found=0 |
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DNSdomainid="" |
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while [ "$i" -lt "$lines" ]; do |
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i="$(_math "$i" + 1)" |
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line="$(echo "$subdomain_csv" | sed -n "${i}p")" |
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_debug2 "line: $line" |
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if [ $found = 0 ] && _contains "$line" "<td>$top_domain</td>"; then |
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# this line will contain DNSdomainid for the top_domain |
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DNSdomainid="$(echo "$line" | _egrep_o "edit_domain_id *= *.*>" | cut -d = -f 2 | cut -d '>' -f 1)" |
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_debug2 "DNSdomainid: $DNSdomainid" |
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found=1 |
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break |
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fi |
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done |
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if [ -z "$DNSdomainid" ]; then |
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# If domain ID is empty then something went wrong (top level |
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# domain not found at FreeDNS). |
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if [ "$attempts" = "0" ]; then |
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# exhausted maximum retry attempts |
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_err "Domain $top_domain not found at FreeDNS" |
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return 1 |
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fi |
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else |
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# break out of the 'retry' loop... we have found our domain ID |
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# We may have to cycle through the domain name to find the |
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# TLD that we own... |
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i=1 |
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wmax="$(echo "$fulldomain" | tr '.' ' ' | wc -w)" |
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while [ "$i" -lt "$wmax" ]; do |
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# split our full domain name into two parts... |
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sub_domain="$(echo "$fulldomain" | cut -d. -f -"$i")" |
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i="$(_math "$i" + 1)" |
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top_domain="$(echo "$fulldomain" | cut -d. -f "$i"-100)" |
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_debug "sub_domain: $sub_domain" |
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_debug "top_domain: $top_domain" |
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DNSdomainid="$(_freedns_domain_id $top_domain)" |
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if [ "$?" = "0" ]; then |
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_info "Domain $top_domain found at FreeDNS, domain_id $DNSdomainid" |
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break |
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else |
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_info "Domain $top_domain not found at FreeDNS, try with next level of TLD" |
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fi |
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_info "Domain $top_domain not found at FreeDNS" |
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_info "Retry loading subdomain page ($attempts attempts remaining)" |
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done |
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if [ -z "$DNSdomainid" ]; then |
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# If domain ID is empty then something went wrong (top level |
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# domain not found at FreeDNS). |
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_err "Domain $top_domain not found at FreeDNS" |
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return 1 |
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fi |
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# Add in new TXT record with the value provided |
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_debug "Adding TXT record for $fulldomain, $txtvalue" |
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_freedns_add_txt_record "$FREEDNS_COOKIE" "$DNSdomainid" "$sub_domain" "$txtvalue" |
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@ -138,76 +96,44 @@ dns_freedns_rm() { |
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FREEDNS_COOKIE="$(_read_conf "$ACCOUNT_CONF_PATH" "FREEDNS_COOKIE")" |
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_debug "FreeDNS login cookies: $FREEDNS_COOKIE" |
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# Sometimes FreeDNS does not return the subdomain page but rather |
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# returns a page regarding becoming a premium member. This usually |
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# happens after a period of inactivity. Immediately trying again |
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# returns the correct subdomain page. So, we will try twice to |
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# load the page and obtain our TXT record. |
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attempts=2 |
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while [ "$attempts" -gt "0" ]; do |
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attempts="$(_math "$attempts" - 1)" |
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htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")" |
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TXTdataid="$(_freedns_data_id "$fulldomain" "TXT")" |
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if [ "$?" != "0" ]; then |
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_info "Cannot delete TXT record for $fulldomain, record does not exist at FreeDNS" |
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return 1 |
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fi |
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_debug "Data ID's found, $TXTdataid" |
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# now we have one (or more) TXT record data ID's. Load the page |
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# for that record and search for the record txt value. If match |
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# then we can delete it. |
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lines="$(echo "$TXTdataid" | wc -l)" |
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_debug "Found $lines TXT data records for $fulldomain" |
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i=0 |
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while [ "$i" -lt "$lines" ]; do |
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i="$(_math "$i" + 1)" |
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dataid="$(echo "$TXTdataid" | sed -n "${i}p")" |
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_debug "$dataid" |
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htmlpage="$(_freedns_retrieve_data_page "$FREEDNS_COOKIE" "$dataid")" |
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if [ "$?" != "0" ]; then |
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if [ "$using_cached_cookies" = "true" ]; then |
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_err "Has your FreeDNS username and password changed? If so..." |
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_err "Please export as FREEDNS_User / FREEDNS_Password and try again." |
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fi |
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return 1 |
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fi |
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subdomain_csv="$(echo "$htmlpage" | tr -d "\n\r" | _egrep_o '<form .*</form>' | sed 's/<tr>/@<tr>/g' | tr '@' '\n' | grep edit.php | grep "$fulldomain")" |
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_debug3 "subdomain_csv: $subdomain_csv" |
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# The above beauty ends with striping out rows that do not have an |
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# href to edit.php and do not have the domain name we are looking for. |
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# So all we should be left with is CSV of table of subdomains we are |
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# interested in. |
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# Now we have to read through this table and extract the data we need |
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lines="$(echo "$subdomain_csv" | wc -l)" |
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i=0 |
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found=0 |
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DNSdataid="" |
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while [ "$i" -lt "$lines" ]; do |
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i="$(_math "$i" + 1)" |
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line="$(echo "$subdomain_csv" | sed -n "${i}p")" |
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_debug3 "line: $line" |
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DNSname="$(echo "$line" | _egrep_o 'edit.php.*</a>' | cut -d '>' -f 2 | cut -d '<' -f 1)" |
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_debug2 "DNSname: $DNSname" |
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if [ "$DNSname" = "$fulldomain" ]; then |
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DNStype="$(echo "$line" | sed 's/<td/@<td/g' | tr '@' '\n' | sed -n '4p' | cut -d '>' -f 2 | cut -d '<' -f 1)" |
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_debug2 "DNStype: $DNStype" |
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if [ "$DNStype" = "TXT" ]; then |
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DNSdataid="$(echo "$line" | _egrep_o 'data_id=.*' | cut -d = -f 2 | cut -d '>' -f 1)" |
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_debug2 "DNSdataid: $DNSdataid" |
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DNSvalue="$(echo "$line" | sed 's/<td/@<td/g' | tr '@' '\n' | sed -n '5p' | cut -d '>' -f 2 | cut -d '<' -f 1)" |
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if _startswith "$DNSvalue" """; then |
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# remove the quotation from the start |
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DNSvalue="$(echo "$DNSvalue" | cut -c 7-)" |
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fi |
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if _endswith "$DNSvalue" "..."; then |
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# value was truncated, remove the dot dot dot from the end |
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DNSvalue="$(echo "$DNSvalue" | sed 's/...$//')" |
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elif _endswith "$DNSvalue" """; then |
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# else remove the closing quotation from the end |
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DNSvalue="$(echo "$DNSvalue" | sed 's/......$//')" |
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fi |
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_debug2 "DNSvalue: $DNSvalue" |
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if [ -n "$DNSdataid" ] && _startswith "$txtvalue" "$DNSvalue"; then |
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# Found a match. But note... Website is truncating the |
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# value field so we are only testing that part that is not |
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# truncated. This should be accurate enough. |
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_debug "Deleting TXT record for $fulldomain, $txtvalue" |
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_freedns_delete_txt_record "$FREEDNS_COOKIE" "$DNSdataid" |
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return $? |
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fi |
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fi |
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fi |
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done |
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echo "$htmlpage" | grep "value=\""$txtvalue"\"" >/dev/null |
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if [ "$?" = "0" ]; then |
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# Found a match... delete the record and return |
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_info "Deleting TXT record for $fulldomain, $txtvalue" |
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_freedns_delete_txt_record "$FREEDNS_COOKIE" "$dataid" |
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return $? |
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fi |
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done |
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# If we get this far we did not find a match (after two attempts) |
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# If we get this far we did not find a match |
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# Not necessarily an error, but log anyway. |
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_debug3 "$subdomain_csv" |
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_info "Cannot delete TXT record for $fulldomain, $txtvalue. Does not exist at FreeDNS" |
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return 0 |
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} |
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@ -271,6 +197,33 @@ _freedns_retrieve_subdomain_page() { |
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return 0 |
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} |
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# usage _freedns_retrieve_data_page login_cookies data_id |
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# echo page retrieved (html) |
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# returns 0 success |
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_freedns_retrieve_data_page() { |
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export _H1="Cookie:$1" |
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export _H2="Accept-Language:en-US" |
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data_id="$2" |
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url="https://freedns.afraid.org/subdomain/edit.php?data_id=$2" |
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_debug "Retrieve data page for ID $data_id from FreeDNS" |
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htmlpage="$(_get "$url")" |
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if [ "$?" != "0" ]; then |
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_err "FreeDNS retrieve data page failed bad RC from _get" |
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return 1 |
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elif [ -z "$htmlpage" ]; then |
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_err "FreeDNS returned empty data page" |
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return 1 |
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fi |
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_debug3 "htmlpage: $htmlpage" |
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printf "%s" "$htmlpage" |
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return 0 |
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} |
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# usage _freedns_add_txt_record login_cookies domain_id subdomain value |
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# returns 0 success |
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_freedns_add_txt_record() { |
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@ -324,3 +277,95 @@ _freedns_delete_txt_record() { |
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_info "Deleted acme challenge TXT record for $fulldomain at FreeDNS" |
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return 0 |
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} |
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# usage _freedns_domain_id domain_name |
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# echo the domain_id if found |
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# return 0 success |
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_freedns_domain_id() { |
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# Start by escaping the dots in the domain name |
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search_domain="$(echo "$1" | sed 's/\./\\./g')" |
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# Sometimes FreeDNS does not return the subdomain page but rather |
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# returns a page regarding becoming a premium member. This usually |
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# happens after a period of inactivity. Immediately trying again |
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# returns the correct subdomain page. So, we will try twice to |
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# load the page and obtain our domain ID |
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attempts=2 |
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while [ "$attempts" -gt "0" ]; do |
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attempts="$(_math "$attempts" - 1)" |
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htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")" |
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if [ "$?" != "0" ]; then |
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if [ "$using_cached_cookies" = "true" ]; then |
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_err "Has your FreeDNS username and password changed? If so..." |
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_err "Please export as FREEDNS_User / FREEDNS_Password and try again." |
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fi |
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return 1 |
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fi |
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domain_id="$(echo "$htmlpage" | tr -d "[:space:]" | sed 's/<tr>/@<tr>/g' | tr '@' '\n' \ |
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| grep "<td>$search_domain</td>\|<td>$search_domain(.*)</td>" \ |
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| _egrep_o "edit\.php\?edit_domain_id=[0-9a-zA-Z]+" \ |
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| cut -d = -f 2 )" |
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# The above beauty extracts domain ID from the html page... |
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# strip out all blank space and new lines. Then insert newlines |
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# before each table row <tr> |
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# search for the domain within each row (which may or may not have |
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# a text string in brackets (.*) after it. |
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# And finally extract the domain ID. |
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if [ -n "$domain_id" ]; then |
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printf "%s" "$domain_id" |
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return 0 |
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fi |
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_debug "Domain $search_domain not found. Retry loading subdomain page ($attempts attempts remaining)" |
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done |
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_debug "Domain $search_domain not found after retry" |
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return 1 |
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} |
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# usage _freedns_data_id domain_name record_type |
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# echo the data_id(s) if found |
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# return 0 success |
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_freedns_data_id() { |
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# Start by escaping the dots in the domain name |
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search_domain="$(echo "$1" | sed 's/\./\\./g')" |
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record_type="$2" |
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# Sometimes FreeDNS does not return the subdomain page but rather |
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# returns a page regarding becoming a premium member. This usually |
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# happens after a period of inactivity. Immediately trying again |
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|
# returns the correct subdomain page. So, we will try twice to |
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# load the page and obtain our domain ID |
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attempts=2 |
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while [ "$attempts" -gt "0" ]; do |
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attempts="$(_math "$attempts" - 1)" |
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htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")" |
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if [ "$?" != "0" ]; then |
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if [ "$using_cached_cookies" = "true" ]; then |
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_err "Has your FreeDNS username and password changed? If so..." |
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_err "Please export as FREEDNS_User / FREEDNS_Password and try again." |
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fi |
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return 1 |
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fi |
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data_id="$(echo "$htmlpage" | tr -d "[:space:]" | sed 's/<tr>/@<tr>/g' | tr '@' '\n' \ |
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| grep "<td[a-zA-Z=#]*>$record_type</td>" \ |
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| grep "<ahref.*>$search_domain</a>" \ |
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| _egrep_o "edit\.php\?data_id=[0-9a-zA-Z]+" \ |
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| cut -d = -f 2)" |
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# The above beauty extracts data ID from the html page... |
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# strip out all blank space and new lines. Then insert newlines |
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# before each table row <tr> |
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# search for the record type withing each row (e.g. TXT) |
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# search for the domain within each row (which is within a <a..> |
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# </a> anchor. And finally extract the domain ID. |
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if [ -n "$data_id" ]; then |
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printf "%s" "$data_id" |
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return 0 |
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fi |
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_debug "Domain $search_domain not found. Retry loading subdomain page ($attempts attempts remaining)" |
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done |
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_debug "Domain $search_domain not found after retry" |
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return 1 |
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} |
David Kerr
6 years ago