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More code cleanup and remove use of IFS for line splitting.

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This commit is contained in:
David Kerr 2017-01-28 23:57:40 -05:00
parent 0efdf5e992
commit 23a6ce2795
1 changed files with 47 additions and 39 deletions
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86
dnsapi/dns_freedns.sh
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@ -6,13 +6,13 @@
#returns 0 means success, otherwise error. #returns 0 means success, otherwise error.
# #
#Author: David Kerr #Author: David Kerr
#Report Bugs here: https://github.com/Neilpang/acme.sh #Report Bugs here: https://github.com/dkerr64/acme.sh
# #
######## Public functions ##################### ######## Public functions #####################
# Export FreeDNS userid and password in folowing variables... # Export FreeDNS userid and password in folowing variables...
# FREEDNS_USER=username # FREEDNS_User=username
# FREEDNS_PASSWORD=password # FREEDNS_Password=password
# login cookie is saved in acme account config file so userid / pw # login cookie is saved in acme account config file so userid / pw
# need to be set only when changed. # need to be set only when changed.
@ -25,15 +25,15 @@ dns_freedns_add() {
_debug "fulldomain: $fulldomain" _debug "fulldomain: $fulldomain"
_debug "txtvalue: $txtvalue" _debug "txtvalue: $txtvalue"
if [ -z "$FREEDNS_USER" ] || [ -z "$FREEDNS_PASSWORD" ]; then if [ -z "$FREEDNS_User" ] || [ -z "$FREEDNS_Password" ]; then
if [ -z "$FREEDNS_COOKIE" ]; then if [ -z "$FREEDNS_COOKIE" ]; then
_err "You did not specify the FreeDNS username and password yet." _err "You did not specify the FreeDNS username and password yet."
_err "Please export as FREEDNS_USER / FREEDNS_PASSWORD and try again." _err "Please export as FREEDNS_User / FREEDNS_Password and try again."
return 1 return 1
fi fi
using_cached_cookies="true" using_cached_cookies="true"
else else
FREEDNS_COOKIE="$(_freedns_login $FREEDNS_USER $FREEDNS_PASSWORD)" FREEDNS_COOKIE="$(_freedns_login "$FREEDNS_User" "$FREEDNS_Password")"
if [ -z "$FREEDNS_COOKIE" ]; then if [ -z "$FREEDNS_COOKIE" ]; then
return 1 return 1
fi fi
@ -44,22 +44,22 @@ dns_freedns_add() {
_saveaccountconf FREEDNS_COOKIE "$FREEDNS_COOKIE" _saveaccountconf FREEDNS_COOKIE "$FREEDNS_COOKIE"
htmlpage="$(_freedns_retrieve_subdomain_page $FREEDNS_COOKIE)" htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")"
if [ "$?" != "0" ]; then if [ "$?" != "0" ]; then
if [ "$using_cached_cookies" = "true" ]; then if [ "$using_cached_cookies" = "true" ]; then
_err "Has your FreeDNS username and password channged? If so..." _err "Has your FreeDNS username and password channged? If so..."
_err "Please export as FREEDNS_USER / FREEDNS_PASSWORD and try again." _err "Please export as FREEDNS_User / FREEDNS_Password and try again."
fi fi
return 1 return 1
fi fi
# split our full domain name into two parts... # split our full domain name into two parts...
top_domain="$(echo $fulldomain | rev | cut -d. -f -2 | rev)" top_domain="$(echo "$fulldomain" | rev | cut -d. -f -2 | rev)"
sub_domain="$(echo $fulldomain | rev | cut -d. -f 3- | rev)" sub_domain="$(echo "$fulldomain" | rev | cut -d. -f 3- | rev)"
# Now convert the tables in the HTML to CSV. This litte gem from # Now convert the tables in the HTML to CSV. This litte gem from
# http://stackoverflow.com/questions/1403087/how-can-i-convert-an-html-table-to-csv # http://stackoverflow.com/questions/1403087/how-can-i-convert-an-html-table-to-csv
subdomain_csv="$(echo $htmlpage \ subdomain_csv="$(echo "$htmlpage" \
| grep -i -e '</\?TABLE\|</\?TD\|</\?TR\|</\?TH' \ | grep -i -e '</\?TABLE\|</\?TD\|</\?TR\|</\?TH' \
| sed 's/^[\ \t]*//g' \ | sed 's/^[\ \t]*//g' \
| tr -d '\n' \ | tr -d '\n' \
@ -68,31 +68,36 @@ dns_freedns_add() {
| sed 's/^<T[DH][^>]*>\|<\/\?T[DH][^>]*>$//Ig' \ | sed 's/^<T[DH][^>]*>\|<\/\?T[DH][^>]*>$//Ig' \
| sed 's/<\/T[DH][^>]*><T[DH][^>]*>/,/Ig' \ | sed 's/<\/T[DH][^>]*><T[DH][^>]*>/,/Ig' \
| grep 'edit.php?' \ | grep 'edit.php?' \
| grep $top_domain)" | grep "$top_domain")"
# The above beauty ends with striping out rows that do not have an # 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. # 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 # So all we should be left with is CSV of table of subdomains we are
# interested in. # interested in.
# Now we have to read through this table and extract the data we need # Now we have to read through this table and extract the data we need
IFS=$'\n' lines=$(echo "$subdomain_csv" | wc -l)
nl='
'
i=0
found=0 found=0
for line in $subdomain_csv; do while [ $i -lt $lines ]; do
tmp="$(echo $line | cut -d ',' -f 1)" ((i++))
line="$(echo "$subdomain_csv" | cut -d "$nl" -f $i)"
tmp="$(echo "$line" | cut -d ',' -f 1)"
if [ $found = 0 ] && _startswith "$tmp" "<td>$top_domain"; then if [ $found = 0 ] && _startswith "$tmp" "<td>$top_domain"; then
# this line will contain DNSdomainid for the top_domain # this line will contain DNSdomainid for the top_domain
tmp="$(echo $line | cut -d ',' -f 2)" tmp="$(echo "$line" | cut -d ',' -f 2)"
url=${tmp#*=} url=${tmp#*=}
url=${url%%>*} url=${url%%>*}
DNSdomainid=${url#*domain_id=} DNSdomainid=${url#*domain_id=}
found=1 found=1
else else
# lines contain DNS records for all subdomains # lines contain DNS records for all subdomains
dns_href="$(echo $line | cut -d ',' -f 2)" dns_href="$(echo "$line" | cut -d ',' -f 2)"
tmp=${dns_href#*>} tmp=${dns_href#*>}
DNSname=${tmp%%<*} DNSname=${tmp%%<*}
DNStype="$(echo $line | cut -d ',' -f 3)" DNStype="$(echo "$line" | cut -d ',' -f 3)"
if [ "$DNSname" = "$fulldomain" -a "$DNStype" = "TXT" ]; then if [ "$DNSname" = "$fulldomain" ] && [ "$DNStype" = "TXT" ]; then
tmp=${dns_href#*=} tmp=${dns_href#*=}
url=${tmp%%>*} url=${tmp%%>*}
DNSdataid=${url#*data_id=} DNSdataid=${url#*data_id=}
@ -101,7 +106,7 @@ dns_freedns_add() {
# on this webpage. To get full value we would need to load # on this webpage. To get full value we would need to load
# another page. However we don't really need this so long as # another page. However we don't really need this so long as
# there is only one TXT record for the acme chalenge subdomain. # there is only one TXT record for the acme chalenge subdomain.
tmp="$(echo $line | cut -d ',' -f 4)" tmp="$(echo "$line" | cut -d ',' -f 4)"
# strip the html double-quotes off the value # strip the html double-quotes off the value
tmp=${tmp#&quot;} tmp=${tmp#&quot;}
DNSvalue=${tmp%&quot;} DNSvalue=${tmp%&quot;}
@ -119,7 +124,6 @@ dns_freedns_add() {
fi fi
fi fi
done done
unset IFS
_debug "DNSname: $DNSname DNStype: $DNStype DNSdomainid: $DNSdomainid DNSdataid: $DNSdataid" _debug "DNSname: $DNSname DNStype: $DNStype DNSdomainid: $DNSdomainid DNSdataid: $DNSdataid"
_debug "DNSvalue: $DNSvalue" _debug "DNSvalue: $DNSvalue"
@ -137,7 +141,7 @@ dns_freedns_add() {
# If data ID is empty then specific subdomain does not exist yet, need # If data ID is empty then specific subdomain does not exist yet, need
# to create it this should always be the case as the acme client # to create it this should always be the case as the acme client
# deletes the entry after domain is validated. # deletes the entry after domain is validated.
_freedns_add_txt_record $FREEDNS_COOKIE $DNSdomainid $sub_domain "$txtvalue" _freedns_add_txt_record "$FREEDNS_COOKIE" "$DNSdomainid" "$sub_domain" "$txtvalue"
return $? return $?
else else
if [ "$txtvalue" = "$DNSvalue" ]; then if [ "$txtvalue" = "$DNSvalue" ]; then
@ -152,10 +156,10 @@ dns_freedns_add() {
return 0 return 0
else else
# Delete the old TXT record (with the wrong value) # Delete the old TXT record (with the wrong value)
_freedns_delete_txt_record $FREEDNS_COOKIE $DNSdataid _freedns_delete_txt_record "$FREEDNS_COOKIE" "$DNSdataid"
if [ "$?" = "0" ]; then if [ "$?" = "0" ]; then
# And add in new TXT record with the value provided # And add in new TXT record with the value provided
_freedns_add_txt_record $FREEDNS_COOKIE $DNSdomainid $sub_domain "$txtvalue" _freedns_add_txt_record "$FREEDNS_COOKIE" "$DNSdomainid" "$sub_domain" "$txtvalue"
fi fi
return $? return $?
fi fi
@ -180,14 +184,14 @@ dns_freedns_rm() {
FREEDNS_COOKIE="$(_read_conf "$ACCOUNT_CONF_PATH" "FREEDNS_COOKIE")" FREEDNS_COOKIE="$(_read_conf "$ACCOUNT_CONF_PATH" "FREEDNS_COOKIE")"
_debug "FreeDNS login cookies: $FREEDNS_COOKIE" _debug "FreeDNS login cookies: $FREEDNS_COOKIE"
htmlpage="$(_freedns_retrieve_subdomain_page $FREEDNS_COOKIE)" htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")"
if [ "$?" != "0" ]; then if [ "$?" != "0" ]; then
return 1 return 1
fi fi
# Now convert the tables in the HTML to CSV. This litte gem from # Now convert the tables in the HTML to CSV. This litte gem from
# http://stackoverflow.com/questions/1403087/how-can-i-convert-an-html-table-to-csv # http://stackoverflow.com/questions/1403087/how-can-i-convert-an-html-table-to-csv
subdomain_csv="$(echo $htmlpage \ subdomain_csv="$(echo "$htmlpage" \
| grep -i -e '</\?TABLE\|</\?TD\|</\?TR\|</\?TH' \ | grep -i -e '</\?TABLE\|</\?TD\|</\?TR\|</\?TH' \
| sed 's/^[\ \t]*//g' \ | sed 's/^[\ \t]*//g' \
| tr -d '\n' \ | tr -d '\n' \
@ -196,24 +200,30 @@ dns_freedns_rm() {
| sed 's/^<T[DH][^>]*>\|<\/\?T[DH][^>]*>$//Ig' \ | sed 's/^<T[DH][^>]*>\|<\/\?T[DH][^>]*>$//Ig' \
| sed 's/<\/T[DH][^>]*><T[DH][^>]*>/,/Ig' \ | sed 's/<\/T[DH][^>]*><T[DH][^>]*>/,/Ig' \
| grep 'edit.php?' \ | grep 'edit.php?' \
| grep $fulldomain)" | grep "$fulldomain")"
# The above beauty ends with striping out rows that do not have an # 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. # 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 # So all we should be left with is CSV of table of subdomains we are
# interested in. # interested in.
# Now we have to read through this table and extract the data we need # Now we have to read through this table and extract the data we need
IFS=$'\n' lines=$(echo "$subdomain_csv" | wc -l)
for line in $subdomain_csv; do nl='
dns_href="$(echo $line | cut -d ',' -f 2)" '
i=0
found=0
while [ $i -lt $lines ]; do
((i++))
line="$(echo "$subdomain_csv" | cut -d "$nl" -f $i)"
dns_href="$(echo "$line" | cut -d ',' -f 2)"
tmp=${dns_href#*>} tmp=${dns_href#*>}
DNSname=${tmp%%<*} DNSname=${tmp%%<*}
DNStype="$(echo $line | cut -d ',' -f 3)" DNStype="$(echo "$line" | cut -d ',' -f 3)"
if [ "$DNSname" = "$fulldomain" -a "$DNStype" = "TXT" ]; then if [ "$DNSname" = "$fulldomain" ] && [ "$DNStype" = "TXT" ]; then
tmp=${dns_href#*=} tmp=${dns_href#*=}
url=${tmp%%>*} url=${tmp%%>*}
DNSdataid=${url#*data_id=} DNSdataid=${url#*data_id=}
tmp="$(echo $line | cut -d ',' -f 4)" tmp="$(echo "$line" | cut -d ',' -f 4)"
# strip the html double-quotes off the value # strip the html double-quotes off the value
tmp=${tmp#&quot;} tmp=${tmp#&quot;}
DNSvalue=${tmp%&quot;} DNSvalue=${tmp%&quot;}
@ -223,13 +233,11 @@ dns_freedns_rm() {
# field. So for now we will assume that there is only one TXT # field. So for now we will assume that there is only one TXT
# field for the sub domain and just delete it. Currently this # field for the sub domain and just delete it. Currently this
# is a safe assumption. # is a safe assumption.
unset IFS _freedns_delete_txt_record "$FREEDNS_COOKIE" "$DNSdataid"
_freedns_delete_txt_record $FREEDNS_COOKIE $DNSdataid
return $? return $?
# fi # fi
fi fi
done done
unset IFS
# If we get this far we did not find a match. # If we get this far we did not find a match.
# Not necessarily an error, but log anyway. # Not necessarily an error, but log anyway.
@ -274,7 +282,7 @@ _freedns_login() {
# echo page retrieved (html) # echo page retrieved (html)
# returns 0 success # returns 0 success
_freedns_retrieve_subdomain_page() { _freedns_retrieve_subdomain_page() {
_H1="Cookie:$1" export _H1="Cookie:$1"
url="https://freedns.afraid.org/subdomain/" url="https://freedns.afraid.org/subdomain/"
_debug "Retrieve subdmoain page from FreeDNS" _debug "Retrieve subdmoain page from FreeDNS"
@ -300,7 +308,7 @@ _freedns_retrieve_subdomain_page() {
# usage _freedns_add_txt_record login_cookies domain_id subdomain value # usage _freedns_add_txt_record login_cookies domain_id subdomain value
# returns 0 success # returns 0 success
_freedns_add_txt_record() { _freedns_add_txt_record() {
_H1="Cookie:$1" export _H1="Cookie:$1"
domain_id="$2" domain_id="$2"
subdomain="$3" subdomain="$3"
value="$(_freedns_urlencode "$4")" value="$(_freedns_urlencode "$4")"
@ -325,7 +333,7 @@ _freedns_add_txt_record() {
# usage _freedns_delete_txt_record login_cookies data_id # usage _freedns_delete_txt_record login_cookies data_id
# returns 0 success # returns 0 success
_freedns_delete_txt_record() { _freedns_delete_txt_record() {
_H1="Cookie:$1" export _H1="Cookie:$1"
data_id="$2" data_id="$2"
url="https://freedns.afraid.org/subdomain/delete2.php" url="https://freedns.afraid.org/subdomain/delete2.php"