Fixed the encoding for root/intermediate CAs now.
This commit is contained in:
Frank Breedijk
parent
e280cac2af
commit
07f91a54bf
173
testssl.sh
173
testssl.sh
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@ -1029,104 +1029,124 @@ run_hpkp() {
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fileout "hpkp_preload" "INFO" "HPKP header is NOT marked for browser preloading"
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fi
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# Get the pins first
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pins=$(tr ';' '\n' < $TMPFILE | tr -d ' ' | tr -d '\"' | awk -F'=' '/pin.*=/ { print $2 }')
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# Look at the host certificate first
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# get the key fingerprint from the host certificate
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if [[ ! -s "$HOSTCERT" ]]; then
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get_host_cert || return 1
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fi
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# Get the pins first
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pins=$(tr ';' '\n' < $TMPFILE | tr -d ' ' | tr -d '\"' | awk -F'=' '/pin.*=/ { print $2 }')
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# get the key fingerprint from the host certificate
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hpkp_key_hostcert="$($OPENSSL x509 -in $HOSTCERT -pubkey -noout | grep -v PUBLIC | \
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$OPENSSL base64 -d | $OPENSSL dgst -sha256 -binary | $OPENSSL base64)"
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# compare it with the ones provided in the header
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for hpkp_key in $(echo "$pins"); do
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if [[ "$hpkp_key_hostcert" == "$hpkp_key" ]] || [[ "$hpkp_key_hostcert" == "$hpkp_key=" ]]; then
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out "\n$spaces matching host key: "
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pr_done_good "$hpkp_key"
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fileout "hpkp_keymatch" "OK" "Host certificate key matches a key pinned in the HPKP header"
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key_found=true
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# Get keys/hashes from intermediate certificates
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$OPENSSL s_client -showcerts $STARTTLS $BUGS $PROXY -showcerts -connect $NODEIP:$PORT ${sni[i]} </dev/null >$TMPFILE 2>$ERRFILE
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# Place the server's certificate in $HOSTCERT and any intermediate
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# certificates that were provided in $TEMPDIR/intermediatecerts.pem
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# http://backreference.org/2010/05/09/ocsp-verification-with-openssl/
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awk -v n=-1 "/Certificate chain/ {start=1}
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/-----BEGIN CERTIFICATE-----/{ if (start) {inc=1; n++} }
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inc { print > (\"$TEMPDIR/level\" n \".crt\") }
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/---END CERTIFICATE-----/{ inc=0 }" $TMPFILE
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nrsaved=$(count_words "$(echo $TEMPDIR/level?.crt 2>/dev/null)")
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rm $TEMPDIR/level0.crt
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if [[ nrsaved -ge 2 ]]; then
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echo -n "" > "$TEMPDIR/intermediate.hashes"
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for cert_fname in $TEMPDIR/level?.crt; do
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hpkp_key_ca="$($OPENSSL x509 -in "$cert_fname" -pubkey -noout | grep -v PUBLIC | $OPENSSL base64 -d |
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$OPENSSL dgst -sha256 -binary | $OPENSSL enc -base64)"
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hpkp_name="$(get_cn_from_cert $cert_fname)"
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[[ -n $hpkp_name ]] || hpkp_name=$($OPENSSL x509 -in "$cert_fname" -subject -noout | sed 's/^subject= //')
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echo "$hpkp_key_ca $hpkp_name" >> "$TEMPDIR/intermediate.hashes"
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done
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fi
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rm $TEMPDIR/level*.crt
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# Get keys from Root CAs
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for bundle_fname in $ca_bundles; do
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local bundle_name=$(basename ${bundle_fname//.pem})
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if [[ ! -r $bundle_fname ]]; then
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pr_warningln "\"$bundle_fname\" cannot be found / not readable"
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return 7
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fi
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debugme out "\n $hpkp_key | $hpkp_key_hostcert"
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debugme printf -- " %-12s" "${certificate_file[i]}"
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# Split up the certificate bundle
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awk -v n=-1 "BEGIN {start=1}
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/-----BEGIN CERTIFICATE-----/{ if (start) {inc=1; n++} }
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inc { print >> (\"$TEMPDIR/$bundle_name.\" n \".crt\") ; close (\"$TEMPDIR/$bundle_name.\" n \".crt\") }
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/---END CERTIFICATE-----/{ inc=0 }" $bundle_fname
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# Clear temp file
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echo -n "" > "$TEMPDIR/hashes.$bundle_name"
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for cert_fname in $TEMPDIR/$bundle_name.*.crt; do
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hpkp_key_ca="$($OPENSSL x509 -in "$cert_fname" -pubkey -noout | grep -v PUBLIC | $OPENSSL base64 -d |
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$OPENSSL dgst -sha256 -binary | $OPENSSL enc -base64)"
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issuer=$(get_cn_from_cert $cert_fname)
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[[ -n $hpkp_name ]] || hpkp_name=$($OPENSSL x509 -in "$cert_fname" -subject -noout| sed "s/^subject= //")
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echo "$hpkp_key_ca $bundle_name : $issuer" >> "$TEMPDIR/hashes.$bundle_name"
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done
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done
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if ! $key_found ; then
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# Get keys from intermediate certificates
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$OPENSSL s_client -showcerts $STARTTLS $BUGS $PROXY -showcerts -connect $NODEIP:$PORT ${sni[i]} </dev/null >$TMPFILE 2>$ERRFILE
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# Place the server's certificate in $HOSTCERT and any intermediate
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# certificates that were provided in $TEMPDIR/intermediatecerts.pem
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# http://backreference.org/2010/05/09/ocsp-verification-with-openssl/
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awk -v n=-1 "/Certificate chain/ {start=1}
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/-----BEGIN CERTIFICATE-----/{ if (start) {inc=1; n++} }
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inc { print > (\"$TEMPDIR/level\" n \".crt\") }
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/---END CERTIFICATE-----/{ inc=0 }" $TMPFILE
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nrsaved=$(count_words "$(echo $TEMPDIR/level?.crt 2>/dev/null)")
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rm $TEMPDIR/level0.crt
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pins_match=false
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for hpkp_key in $(echo $pins); do
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key_found=false
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# Compare them against the hashes found
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if [[ nrsaved -ge 2 ]]; then
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echo -n "" > "$TEMPDIR/hashes.intermediate"
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for cert_fname in $TEMPDIR/level?.crt; do
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hpkp_key_ca="$($OPENSSL x509 -in "$cert_fname" -pubkey -noout | grep -v PUBLIC|$OPENSSL dgst -sha256 -binary | $OPENSSL enc -base64)"
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issuer="$(get_cn_from_cert $cert_fname)"
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[[ -n $hpkp_name ]] || hpkp_name=$($OPENSSL x509 -in "$cert_fname" -subject -noout| sed "s/^subject= //")
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echo "$hpkp_key_ca $bundle_name $issuer" >> "$TEMPDIR/hashes.intermediate"
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done
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for hpkp_key in $(echo $pins); do
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hpkp_matches=$(grep "$hpkp_key" $TEMPDIR/hashes.intermediate)
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if [[ -n $hpkp_matches ]]; then
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# We have a winner!
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key_found=true
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out "\n$spaces Intermediate CA match : "
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pr_done_good "$hpkp_matches"
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fileout "hpkp_keymatch" "OK" "Intermediate CA key matches a key pinned in the HPKP header\nKey/CA: $hpkp_matches"
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fi
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done
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# compare pin against the leaf certificate
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if [[ "$hpkp_key_hostcert" == "$hpkp_key" ]] || [[ "$hpkp_key_hostcert" == "$hpkp_key=" ]]; then
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out "\n$spaces Leaf certificate match : "
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pr_done_good "$hpkp_key"
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fileout "hpkp_$hpkp_key" "OK" "PIN $hpkp_key matches the leaf certificate"
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key_found=true
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pins_match=true
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fi
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fi
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debugme out "\n $hpkp_key | $hpkp_key_hostcert"
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if ! $key_found ; then
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# Get keys from Root CAs
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for bundle_fname in $ca_bundles; do
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local bundle_name=$(basename ${bundle_fname//.pem})
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if [[ ! -r $bundle_fname ]]; then
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pr_warningln "\"$bundle_fname\" cannot be found / not readable"
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return 7
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# Check for intermediate match
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if ! $key_found ; then
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hpkp_matches=$(grep "$hpkp_key" $TEMPDIR/intermediate.hashes)
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if [[ -n $hpkp_matches ]]; then
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# We have a winner!
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key_found=true
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pins_match=true
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out "\n$spaces Intermediate CA match : "
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pr_done_good "$hpkp_key"
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out "\n$spaces $(echo $hpkp_matches|sed "s/^[a-zA-Z0-9\+\/]*=* *//")"
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fileout "hpkp_$hpkp_key" "OK" "Intermediate CA key matches a key pinned in the HPKP header\nKey/CA: $hpkp_matches"
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fi
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debugme printf -- " %-12s" "${certificate_file[i]}"
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# Split up the certificate bundle
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awk -v n=-1 "BEGIN {start=1}
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/-----BEGIN CERTIFICATE-----/{ if (start) {inc=1; n++} }
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inc { print >> (\"$TEMPDIR/$bundle_name.\" n \".crt\") ; close (\"$TEMPDIR/$bundle_name.\" n \".crt\") }
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/---END CERTIFICATE-----/{ inc=0 }" $bundle_fname
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# Clear temp file
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echo -n "" > "$TEMPDIR/hashes.$bundle_name"
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for cert_fname in $TEMPDIR/$bundle_name.*.crt; do
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hpkp_key_ca="$($OPENSSL x509 -in "$cert_fname" -pubkey -noout | grep -v PUBLIC|$OPENSSL dgst -sha256 -binary | $OPENSSL enc -base64)"
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issuer="$(get_cn_from_cert $cert_fname)"
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[[ -n $hpkp_name ]] || hpkp_name=$($OPENSSL x509 -in "$cert_fname" -subject -noout| sed "s/^subject= //")
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echo "$hpkp_key_ca $bundle_name : $issuer" >> "$TEMPDIR/hashes.$bundle_name"
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done
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done
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for hpkp_key in $(echo $pins); do
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fi
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if ! $key_found ; then
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hpkp_matches=$(grep -h "$hpkp_key" $TEMPDIR/hashes.*)
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if [[ -n $hpkp_matches ]]; then
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# We have a winner!
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key_found=true
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pins_match=true
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out "\n$spaces Root CA match : "
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pr_done_goodln "$hpkp_key"
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#out "$hpkp_matches"
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fileout "hpkp_keymatch" "OK" "Root CA key matches a key pinned in the HPKP header\nKey/OS/CA: $hpkp_matches"
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pr_done_good "$hpkp_key"
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echo "$hpkp_matches"|sort -u|while read line; do
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out "\n$spaces $(echo $line |sed "s/^[a-zA-Z0-9\+\/]*=* *//")"
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done
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fileout "hpkp_$hpkp_key" "OK" "Root CA key matches a key pinned in the HPKP header\nKey/OS/CA: $hpkp_matches"
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fi
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done
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fi
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fi
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if ! $key_found ; then
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# Houston we may have a problem
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out "\n$spaces Unmatched key : "
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pr_warning "$hpkp_key"
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out " ( You can ignore this if this is a backup pin of your leaf certificate )"
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fileout "hpkp_$hpkp_key" "WARN" "PIN $hpkp_key doesn't matchyour leaf certificate or and intermediate or known root CA\nThis could be ok if it is a backup pin for a leaf certificate"
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fi
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done
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# If all else fails...
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if ! $key_found ; then
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if ! $pins_match ; then
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pr_svrty_high " No matching key for pins found "
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out "(CAs pinned? -- not checked for yet)"
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fileout "hpkp_keymatch" "DEBUG" "The TLS key does not match any key pinned in the HPKP header. If you pinned a CA key you can ignore this"
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fileout "hpkp_keymatch" "NOT ok" "None of the HPKP PINS match your leaf certificate, intermediate CA or known root CAs. You may have bricked this site"
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fi
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else
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out "--"
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@ -3858,6 +3878,7 @@ get_cn_from_cert() {
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# for e.g. russian sites -esc_msb,utf8 works in an UTF8 terminal -- any way to check platform indepedent?
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# see x509(1ssl):
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subject="$($OPENSSL x509 -in $1 -noout -subject -nameopt multiline,-align,sname,-esc_msb,utf8,-space_eq 2>>$ERRFILE)"
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#echo "$subject" | sed "s/^.*CN\=//" | sed "s/\/.*$//"
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echo "$(awk -F'=' '/CN=/ { print $2 }' <<< "$subject")"
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return $?
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}
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