Merge pull request #2285 from dkerr64/FreeDNS
Fixes to dns_freedns.sh for multi-part top level domain names
This commit is contained in:
neil
GitHub
commit
c74686a197
@ -7,6 +7,7 @@
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#
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#Author: David Kerr
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#Report Bugs here: https://github.com/dkerr64/acme.sh
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#or here... https://github.com/Neilpang/acme.sh/issues/2305
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#
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######## Public functions #####################
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@ -46,76 +47,34 @@ 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 -"$i")"
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# We may have to cycle through the domain name to find the
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# TLD that we own...
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i=1
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wmax="$(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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_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 $top_domain not found at FreeDNS"
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return 1
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fi
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else
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# break out of the 'retry' loop... we have found our domain ID
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DNSdomainid="$(_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" "$txtvalue"
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@ -134,80 +93,47 @@ dns_freedns_rm() {
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# Need to read cookie from conf file again in case new value set
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# during login to FreeDNS when TXT record was created.
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# acme.sh does not have a _readaccountconf() function
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FREEDNS_COOKIE="$(_read_conf "$ACCOUNT_CONF_PATH" "FREEDNS_COOKIE")"
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FREEDNS_COOKIE="$(_readaccountconf "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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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, $TXTdataid"
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htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")"
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# now we have one (or more) TXT record data ID's. Load the page
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# for that record and search for the record txt value. If match
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# then we can delete it.
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lines="$(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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}
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