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update to raw_https

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But there's lot of work to do --> push to later
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Dirk Wetter 2025-01-27 23:39:03 +01:00
parent 01682617e5
commit 08accf9abe
1 changed files with 20 additions and 19 deletions
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39
testssl.sh
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@ -21514,6 +21514,7 @@ get_aaaa_record() {
echo "$ip6"
}
# RFC6844: DNS Certification Authority Authorization (CAA) Resource Record
# arg1: domain to check for
#FIXME: should be refactored, see get_https_rrecord()
@ -21545,12 +21546,16 @@ get_caa_rrecord() {
raw_caa="$(drill $1 type257 | awk '/'"^${1}"'.*CAA/ { print $5,$6,$7 }')"
elif "$HAS_HOST"; then
raw_caa="$(host -t type257 $1)"
if grep -Ewvq "has no CAA|has no TYPE257" <<< "$raw_caa"; then
raw_caa="$(sed -e 's/^.*has CAA record //' -e 's/^.*has TYPE257 record //' <<< "$raw_caa")"
if [[ "$raw_caa" =~ "has no CAA|has no TYPE257" ]]; then
raw_caa=""
else
raw_caa="${raw_caa/$1 has CAA record /}"
raw_caa="${raw_caa/$1 has TYPE257 record /}"
fi
elif "$HAS_NSLOOKUP"; then
raw_caa="$(strip_lf "$(nslookup -type=type257 $1 | grep -w rdata_257)")"
if [[ -n "$raw_caa" ]]; then
#FIXME: modernize here or see HTTPS RR
raw_caa="$(sed 's/^.*rdata_257 = //' <<< "$raw_caa")"
fi
else
@ -21631,22 +21636,23 @@ get_https_rrecord() {
# 1) dev.testssl.sh rdata_65 = 1 . alpn="h2"
# 2) dev.testssl.sh rdata_65 = \# 10 00010000010003026832
# we normalize the output during the following so that's either 1) 1 . alpn="h2" or 2) \# 10 00010000010003026832 or empty
# we normalize the output during the following so that's e.g. 1 . alpn="h2"
OPENSSL_CONF=""
# Read either answer 1) or 2) into raw_https. Should be empty if no such record
# Read either answer 1) or 2) into raw_https. Should be empty if there's no such record
if "$HAS_DIG"; then
raw_https="$(dig $DIG_R +short +search +timeout=3 +tries=3 $noidnout type65 "$1" 2>/dev/null)"
# empty if there's no such record
elif "$HAS_DRILL"; then
raw_https="$(drill $1 type65 | awk '/'"^${1}"'.*TYPE65/ { print substr($0,index($0,$5)) }' )" # from 5th field onwards
raw_https="$(drill $1 type65 | grep -v '^;;' | awk '/'"^${1}"'.*HTTPS/ { print substr($0,index($0,$5)) }' )" # from 5th field onwards
# empty if there's no such record
elif "$HAS_HOST"; then
raw_https="$(host -t type65 $1)"
if grep -Ewq "has no HTTPS|has no TYPE65" <<< "$raw_https"; then
if [[ "$raw_https" =~ "has no HTTPS|has no TYPE65" ]]; then
raw_https=""
else
raw_https="$(sed -e 's/^.*has HTTPS record //' -e 's/^.*has TYPE65 record //' <<< "$raw_https")"
raw_https="${raw_https/$1 has HTTPS record /}"
raw_https="${raw_https/$1 has TYPE65 record /}"
fi
elif "$HAS_NSLOOKUP"; then
raw_https="$(strip_lf "$(nslookup -type=type65 $1 | awk '/'"^${1}"'.*rdata_65/ { print substr($0,index($0,$4)) }' )")"
@ -21658,15 +21664,13 @@ get_https_rrecord() {
OPENSSL_CONF="$saved_openssl_conf" # see https://github.com/drwetter/testssl.sh/issues/134
if [[ -z "$raw_https" ]]; then
:
elif [[ -n "$raw_https" ]]; then
safe_echo "$raw_https"
return 1
elif [[ "$raw_https" =~ \#\ [0-9][0-9] ]]; then
# now this is binary / hex encoded like \# 10 00010000010003026832
#FIXME: this probably doesn't work yet and intentionally won't be reached yet
while read hash len line ;do
if [[ "${line:0:2}" == "00" ]]; then # probably the https flag, always 00, so we don't keep this
len_https_property=$(printf "%0d" "$((10#${line:2:2}))") # get len and do type casting, for posteo we have 05 or 09 here as a string
# \# 10 00010000010003026832
#FIXME: the following doesn't really work
if [[ "${line:0:2}" == 00 ]]; then # probably the https flag, always 00, so we don't keep this
len_https_property=$(printf "%0d" "$((10#${line:2:2}))") # get len and do some kind of type casting
len_https_property=$((len_https_property*2)) # =>word! Now get name from 4th and value from 4th+len position...
line="${line/ /}" # especially with iodefs there's a blank in the string which we just skip
https_property_name="$(hex2ascii ${line:4:$len_https_property})"
@ -21674,17 +21678,14 @@ get_https_rrecord() {
# echo "${https}=${https}"
all_https+="${https_property_name}=${https_property_value}\n"
else
outln "please report unknown CAA RR $line with flag @ $NODE"
outln "please report unknown HTTPS RR $line with flag @ $NODE"
return 7
fi
done <<< "$raw_https"
sort <<< "$(safe_echo "$all_https")"
else
echo "fixme"
safe_echo "$raw_https"
fi
#TODO:
# 4: check whether $1 is a CNAME and take this
return 0
}