mirror of https://github.com/plantroon/acme.sh.git
327 lines
11 KiB
Bash
Executable File
327 lines
11 KiB
Bash
Executable File
#!/usr/bin/env sh
|
|
|
|
#This file name is "dns_freedns.sh"
|
|
#So, here must be a method dns_freedns_add()
|
|
#Which will be called by acme.sh to add the txt record to your api system.
|
|
#returns 0 means success, otherwise error.
|
|
#
|
|
#Author: David Kerr
|
|
#Report Bugs here: https://github.com/dkerr64/acme.sh
|
|
#
|
|
######## Public functions #####################
|
|
|
|
# Export FreeDNS userid and password in following variables...
|
|
# FREEDNS_User=username
|
|
# FREEDNS_Password=password
|
|
# login cookie is saved in acme account config file so userid / pw
|
|
# need to be set only when changed.
|
|
|
|
#Usage: dns_freedns_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
|
|
dns_freedns_add() {
|
|
fulldomain="$1"
|
|
txtvalue="$2"
|
|
|
|
_info "Add TXT record using FreeDNS"
|
|
_debug "fulldomain: $fulldomain"
|
|
_debug "txtvalue: $txtvalue"
|
|
|
|
if [ -z "$FREEDNS_User" ] || [ -z "$FREEDNS_Password" ]; then
|
|
FREEDNS_User=""
|
|
FREEDNS_Password=""
|
|
if [ -z "$FREEDNS_COOKIE" ]; then
|
|
_err "You did not specify the FreeDNS username and password yet."
|
|
_err "Please export as FREEDNS_User / FREEDNS_Password and try again."
|
|
return 1
|
|
fi
|
|
using_cached_cookies="true"
|
|
else
|
|
FREEDNS_COOKIE="$(_freedns_login "$FREEDNS_User" "$FREEDNS_Password")"
|
|
if [ -z "$FREEDNS_COOKIE" ]; then
|
|
return 1
|
|
fi
|
|
using_cached_cookies="false"
|
|
fi
|
|
|
|
_debug "FreeDNS login cookies: $FREEDNS_COOKIE (cached = $using_cached_cookies)"
|
|
|
|
_saveaccountconf FREEDNS_COOKIE "$FREEDNS_COOKIE"
|
|
|
|
# split our full domain name into two parts...
|
|
i="$(echo "$fulldomain" | tr '.' ' ' | wc -w)"
|
|
i="$(_math "$i" - 1)"
|
|
top_domain="$(echo "$fulldomain" | cut -d. -f "$i"-100)"
|
|
i="$(_math "$i" - 1)"
|
|
sub_domain="$(echo "$fulldomain" | cut -d. -f -"$i")"
|
|
|
|
_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")"
|
|
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 '<form .*</form>' | sed 's/<tr>/@<tr>/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" "<td>$top_domain</td>"; then
|
|
# this line will contain DNSdomainid for the top_domain
|
|
DNSdomainid="$(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"
|
|
return 1
|
|
fi
|
|
else
|
|
# break out of the 'retry' loop... we have found our domain ID
|
|
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
|
|
_debug "Adding TXT record for $fulldomain, $txtvalue"
|
|
_freedns_add_txt_record "$FREEDNS_COOKIE" "$DNSdomainid" "$sub_domain" "$txtvalue"
|
|
return $?
|
|
}
|
|
|
|
#Usage: fulldomain txtvalue
|
|
#Remove the txt record after validation.
|
|
dns_freedns_rm() {
|
|
fulldomain="$1"
|
|
txtvalue="$2"
|
|
|
|
_info "Delete TXT record using FreeDNS"
|
|
_debug "fulldomain: $fulldomain"
|
|
_debug "txtvalue: $txtvalue"
|
|
|
|
# Need to read cookie from conf file again in case new value set
|
|
# during login to FreeDNS when TXT record was created.
|
|
# acme.sh does not have a _readaccountconf() function
|
|
FREEDNS_COOKIE="$(_read_conf "$ACCOUNT_CONF_PATH" "FREEDNS_COOKIE")"
|
|
_debug "FreeDNS login cookies: $FREEDNS_COOKIE"
|
|
|
|
# Sometimes FreeDNS does not return the subdomain page but rather
|
|
# returns a page regarding becoming a premium member. This usually
|
|
# happens after a period of inactivity. Immediately trying again
|
|
# returns the correct subdomain page. So, we will try twice to
|
|
# load the page and obtain our TXT record.
|
|
attempts=2
|
|
while [ "$attempts" -gt "0" ]; do
|
|
attempts="$(_math "$attempts" - 1)"
|
|
|
|
htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")"
|
|
if [ "$?" != "0" ]; then
|
|
return 1
|
|
fi
|
|
|
|
subdomain_csv="$(echo "$htmlpage" | tr -d "\n\r" | _egrep_o '<form .*</form>' | sed 's/<tr>/@<tr>/g' | tr '@' '\n' | grep edit.php | grep "$fulldomain")"
|
|
_debug3 "subdomain_csv: $subdomain_csv"
|
|
|
|
# The above beauty ends with striping out rows that do not have an
|
|
# href to edit.php and do not have the domain name we are looking for.
|
|
# So all we should be left with is CSV of table of subdomains we are
|
|
# interested in.
|
|
|
|
# Now we have to read through this table and extract the data we need
|
|
lines="$(echo "$subdomain_csv" | wc -l)"
|
|
i=0
|
|
found=0
|
|
DNSdataid=""
|
|
while [ "$i" -lt "$lines" ]; do
|
|
i="$(_math "$i" + 1)"
|
|
line="$(echo "$subdomain_csv" | sed -n "${i}p")"
|
|
_debug3 "line: $line"
|
|
DNSname="$(echo "$line" | _egrep_o 'edit.php.*</a>' | cut -d '>' -f 2 | cut -d '<' -f 1)"
|
|
_debug2 "DNSname: $DNSname"
|
|
if [ "$DNSname" = "$fulldomain" ]; then
|
|
DNStype="$(echo "$line" | sed 's/<td/@<td/g' | tr '@' '\n' | sed -n '4p' | cut -d '>' -f 2 | cut -d '<' -f 1)"
|
|
_debug2 "DNStype: $DNStype"
|
|
if [ "$DNStype" = "TXT" ]; then
|
|
DNSdataid="$(echo "$line" | _egrep_o 'data_id=.*' | cut -d = -f 2 | cut -d '>' -f 1)"
|
|
_debug2 "DNSdataid: $DNSdataid"
|
|
DNSvalue="$(echo "$line" | sed 's/<td/@<td/g' | tr '@' '\n' | sed -n '5p' | cut -d '>' -f 2 | cut -d '<' -f 1)"
|
|
if _startswith "$DNSvalue" """; then
|
|
# remove the quotation from the start
|
|
DNSvalue="$(echo "$DNSvalue" | cut -c 7-)"
|
|
fi
|
|
if _endswith "$DNSvalue" "..."; then
|
|
# value was truncated, remove the dot dot dot from the end
|
|
DNSvalue="$(echo "$DNSvalue" | sed 's/...$//')"
|
|
elif _endswith "$DNSvalue" """; then
|
|
# else remove the closing quotation from the end
|
|
DNSvalue="$(echo "$DNSvalue" | sed 's/......$//')"
|
|
fi
|
|
_debug2 "DNSvalue: $DNSvalue"
|
|
|
|
if [ -n "$DNSdataid" ] && _startswith "$txtvalue" "$DNSvalue"; then
|
|
# Found a match. But note... Website is truncating the
|
|
# value field so we are only testing that part that is not
|
|
# truncated. This should be accurate enough.
|
|
_debug "Deleting TXT record for $fulldomain, $txtvalue"
|
|
_freedns_delete_txt_record "$FREEDNS_COOKIE" "$DNSdataid"
|
|
return $?
|
|
fi
|
|
|
|
fi
|
|
fi
|
|
done
|
|
done
|
|
|
|
# If we get this far we did not find a match (after two attempts)
|
|
# Not necessarily an error, but log anyway.
|
|
_debug3 "$subdomain_csv"
|
|
_info "Cannot delete TXT record for $fulldomain, $txtvalue. Does not exist at FreeDNS"
|
|
return 0
|
|
}
|
|
|
|
#################### Private functions below ##################################
|
|
|
|
# usage: _freedns_login username password
|
|
# print string "cookie=value" etc.
|
|
# returns 0 success
|
|
_freedns_login() {
|
|
export _H1="Accept-Language:en-US"
|
|
username="$1"
|
|
password="$2"
|
|
url="https://freedns.afraid.org/zc.php?step=2"
|
|
|
|
_debug "Login to FreeDNS as user $username"
|
|
|
|
htmlpage="$(_post "username=$(printf '%s' "$username" | _url_encode)&password=$(printf '%s' "$password" | _url_encode)&submit=Login&action=auth" "$url")"
|
|
|
|
if [ "$?" != "0" ]; then
|
|
_err "FreeDNS login failed for user $username bad RC from _post"
|
|
return 1
|
|
fi
|
|
|
|
cookies="$(grep -i '^Set-Cookie.*dns_cookie.*$' "$HTTP_HEADER" | _head_n 1 | tr -d "\r\n" | cut -d " " -f 2)"
|
|
|
|
# if cookies is not empty then logon successful
|
|
if [ -z "$cookies" ]; then
|
|
_debug3 "htmlpage: $htmlpage"
|
|
_err "FreeDNS login failed for user $username. Check $HTTP_HEADER file"
|
|
return 1
|
|
fi
|
|
|
|
printf "%s" "$cookies"
|
|
return 0
|
|
}
|
|
|
|
# usage _freedns_retrieve_subdomain_page login_cookies
|
|
# echo page retrieved (html)
|
|
# returns 0 success
|
|
_freedns_retrieve_subdomain_page() {
|
|
export _H1="Cookie:$1"
|
|
export _H2="Accept-Language:en-US"
|
|
url="https://freedns.afraid.org/subdomain/"
|
|
|
|
_debug "Retrieve subdomain page from FreeDNS"
|
|
|
|
htmlpage="$(_get "$url")"
|
|
|
|
if [ "$?" != "0" ]; then
|
|
_err "FreeDNS retrieve subdomains failed bad RC from _get"
|
|
return 1
|
|
elif [ -z "$htmlpage" ]; then
|
|
_err "FreeDNS returned empty subdomain page"
|
|
return 1
|
|
fi
|
|
|
|
_debug3 "htmlpage: $htmlpage"
|
|
|
|
printf "%s" "$htmlpage"
|
|
return 0
|
|
}
|
|
|
|
# usage _freedns_add_txt_record login_cookies domain_id subdomain value
|
|
# returns 0 success
|
|
_freedns_add_txt_record() {
|
|
export _H1="Cookie:$1"
|
|
export _H2="Accept-Language:en-US"
|
|
domain_id="$2"
|
|
subdomain="$3"
|
|
value="$(printf '%s' "$4" | _url_encode)"
|
|
url="https://freedns.afraid.org/subdomain/save.php?step=2"
|
|
|
|
htmlpage="$(_post "type=TXT&domain_id=$domain_id&subdomain=$subdomain&address=%22$value%22&send=Save%21" "$url")"
|
|
|
|
if [ "$?" != "0" ]; then
|
|
_err "FreeDNS failed to add TXT record for $subdomain bad RC from _post"
|
|
return 1
|
|
elif ! grep "200 OK" "$HTTP_HEADER" >/dev/null; then
|
|
_debug3 "htmlpage: $htmlpage"
|
|
_err "FreeDNS failed to add TXT record for $subdomain. Check $HTTP_HEADER file"
|
|
return 1
|
|
elif _contains "$htmlpage" "security code was incorrect"; then
|
|
_debug3 "htmlpage: $htmlpage"
|
|
_err "FreeDNS failed to add TXT record for $subdomain as FreeDNS requested security code"
|
|
_err "Note that you cannot use automatic DNS validation for FreeDNS public domains"
|
|
return 1
|
|
fi
|
|
|
|
_debug3 "htmlpage: $htmlpage"
|
|
_info "Added acme challenge TXT record for $fulldomain at FreeDNS"
|
|
return 0
|
|
}
|
|
|
|
# usage _freedns_delete_txt_record login_cookies data_id
|
|
# returns 0 success
|
|
_freedns_delete_txt_record() {
|
|
export _H1="Cookie:$1"
|
|
export _H2="Accept-Language:en-US"
|
|
data_id="$2"
|
|
url="https://freedns.afraid.org/subdomain/delete2.php"
|
|
|
|
htmlheader="$(_get "$url?data_id%5B%5D=$data_id&submit=delete+selected" "onlyheader")"
|
|
|
|
if [ "$?" != "0" ]; then
|
|
_err "FreeDNS failed to delete TXT record for $data_id bad RC from _get"
|
|
return 1
|
|
elif ! _contains "$htmlheader" "200 OK"; then
|
|
_debug2 "htmlheader: $htmlheader"
|
|
_err "FreeDNS failed to delete TXT record $data_id"
|
|
return 1
|
|
fi
|
|
|
|
_info "Deleted acme challenge TXT record for $fulldomain at FreeDNS"
|
|
return 0
|
|
}
|