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Merge pull request #275 from dcooper16/multiplecerts 

Detect multiple server certificates
This commit is contained in:
Dirk Wetter 2016-01-30 23:49:10 +01:00
parent 495b9cda9b 2bf9c5d81e
commit 8437bce546
1 changed files with 274 additions and 152 deletions
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testssl.sh
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@ -2610,44 +2610,28 @@ get_host_cert() {
# return $((${PIPESTATUS[0]} + ${PIPESTATUS[1]})) # return $((${PIPESTATUS[0]} + ${PIPESTATUS[1]}))
} }
get_all_certs() {
local savedir
local nrsaved
$OPENSSL s_client -showcerts $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $SNI 2>$ERRFILE </dev/null >$TEMPDIR/allcerts.txt
sclient_connect_successful $? $TMPFILE || \
pr_litemagenta "problem getting all certs"
savedir=$(pwd); cd $TEMPDIR
# http://backreference.org/2010/05/09/ocsp-verification-with-openssl/
awk -v n=-1 '/-----BEGIN CERTIFICATE-----/{ inc=1; n++ }
inc { print > ("level" n ".crt") }
/---END CERTIFICATE-----/{ inc=0 }' $TEMPDIR/allcerts.txt
nrsaved=$(count_words "$(echo level?.crt 2>/dev/null)")
cd "$savedir"
echo $nrsaved
}
verify_retcode_helper() { verify_retcode_helper() {
local ret=0 local ret=0
local -i retcode=$1
case "$1" in case $retcode in
# codes from ./doc/apps/verify.pod | verify(1ssl) # codes from ./doc/apps/verify.pod | verify(1ssl)
*"24 "* ) out " (certificate unreadable)" ;; # X509_V_ERR_INVALID_CA 24) out "(certificate unreadable)" ;; # X509_V_ERR_INVALID_CA
*23*revoked* ) out " (certificate revoked)" ;; # X509_V_ERR_CERT_REVOKED 23) out "(certificate revoked)" ;; # X509_V_ERR_CERT_REVOKED
*21*unable* ) out " (chain incomplete, only 1 cert provided)" ;; # X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE 21) out "(chain incomplete, only 1 cert provided)" ;; # X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE
*20*unable* ) out " (chain incomplete)" ;; # X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY 20) out "(chain incomplete)" ;; # X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
*19*self* ) out " (self signed CA in chain)" ;; # X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN 19) out "(self signed CA in chain)" ;; # X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
*18*self* ) out " (self signed)" ;; # X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT 18) out "(self signed)" ;; # X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
*10*expired* ) out " (expired)" ;; # X509_V_ERR_CERT_HAS_EXPIRED 10) out "(expired)" ;; # X509_V_ERR_CERT_HAS_EXPIRED
*"9 "* ) out " (not yet valid)" ;; # X509_V_ERR_CERT_NOT_YET_VALID 9) out "(not yet valid)" ;; # X509_V_ERR_CERT_NOT_YET_VALID
*"2 "* ) out " (issuer cert missing)" ;; # X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT 2) out "(issuer cert missing)" ;; # X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
*) ret=1 ; pr_litemagenta " (unknown, pls report) $1" ;; *) ret=1 ; pr_litemagenta " (unknown, pls report) $1" ;;
esac esac
return $ret return $ret
} }
determine_trust() { determine_trust() {
local heading=$1
local i=1 local i=1
local bundle_fname local bundle_fname
local -a certificate_file verify_retcode trust local -a certificate_file verify_retcode trust
@ -2656,34 +2640,43 @@ determine_trust() {
local code local code
local ca_bundles="$INSTALL_DIR/etc/*.pem" local ca_bundles="$INSTALL_DIR/etc/*.pem"
local spaces=" " local spaces=" "
local -i certificates_provided=1+$(grep -c "\-\-\-\-\-BEGIN CERTIFICATE\-\-\-\-\-" $TEMPDIR/intermediatecerts.pem)
local addtl_warning local addtl_warning
if [[ $OSSL_VER_MAJOR.$OSSL_VER_MINOR == "1.1.0" ]]; then if [[ $OSSL_VER_MAJOR.$OSSL_VER_MINOR == "1.1.0" ]]; then
pr_litemagentaln "Your $OPENSSL is too new, needed is version 1.0.2" pr_litemagentaln "Your $OPENSSL is too new, needed is version 1.0.2"
fileout "trust" "WARN" "Your $OPENSSL is too new, need version 1.0.2 to determine trust" out "$spaces"
fileout "$heading trust" "WARN" "Your $OPENSSL is too new, need version 1.0.2 to determine trust"
return 7 return 7
elif [[ $OSSL_VER_MAJOR.$OSSL_VER_MINOR != "1.0.2" ]]; then elif [[ $OSSL_VER_MAJOR.$OSSL_VER_MINOR != "1.0.2" ]]; then
pr_litemagentaln "Your $OPENSSL is too old, needed is version >=1.0.2" pr_litemagentaln "Your $OPENSSL is too old, needed is version >=1.0.2"
out "$spaces"
addtl_warning="Your $OPENSSL is too old, need version 1.0.2 to determine trust. Results may be unreliable." addtl_warning="Your $OPENSSL is too old, need version 1.0.2 to determine trust. Results may be unreliable."
fileout "trust_warn" "WARN" "$addtl_warning" fileout "$heading trust_warn" "WARN" "$addtl_warning"
fi fi
debugme outln debugme outln
for bundle_fname in $ca_bundles; do for bundle_fname in $ca_bundles; do
certificate_file[i]=$(basename $bundle_fname | sed 's/\.pem//') certificate_file[i]=$(basename "$bundle_fname" | sed 's/\.pem//')
if [[ ! -r $bundle_fname ]]; then if [[ ! -r $bundle_fname ]]; then
pr_litemagentaln "\"$bundle_fname\" cannot be found / not readable" pr_litemagentaln "\"$bundle_fname\" cannot be found / not readable"
return 7 return 7
fi fi
debugme printf -- " %-12s" "${certificate_file[i]}" debugme printf -- " %-12s" "${certificate_file[i]}"
$OPENSSL s_client -purpose sslserver -CAfile $bundle_fname $STARTTLS $BUGS $PROXY -connect $NODEIP:$PORT $SNI </dev/null >$TEMPDIR/${certificate_file[i]}.1 2>$TEMPDIR/${certificate_file[i]}.2 # set SSL_CERT_DIR to /dev/null so that $OPENSSL verify will only use certificates in $bundle_fname
verify_retcode[i]=$(awk -F':' '/Verify return code: / { print $2 }' $TEMPDIR//${certificate_file[i]}.1) (export SSL_CERT_DIR="/dev/null"
if egrep -wq "ok|0" <<< ${verify_retcode[i]}; then if [[ $certificates_provided -ge 2 ]]; then
$OPENSSL verify -purpose sslserver -CAfile "$bundle_fname" -untrusted $TEMPDIR/intermediatecerts.pem $HOSTCERT >$ERRFILE 2>>$ERRFILE
else
$OPENSSL verify -purpose sslserver -CAfile "$bundle_fname" $HOSTCERT >>$ERRFILE 2>>$ERRFILE
fi)
verify_retcode[i]=$?
if [[ ${verify_retcode[i]} -eq 0 ]]; then
trust[i]=true trust[i]=true
debugme pr_litegreen "Ok " debugme pr_litegreen "Ok "
debugme outln "${verify_retcode[i]}" debugme outln "${verify_retcode[i]}"
else else
trust[i]=false trust[i]=false
debugme pr_red "not trusted" debugme pr_red "not trusted "
debugme outln "${verify_retcode[i]}" debugme outln "${verify_retcode[i]}"
fi fi
i=$(($i + 1)) i=$(($i + 1))
@ -2692,19 +2685,19 @@ determine_trust() {
# all stores ok # all stores ok
if ${trust[1]} && ${trust[2]} && ${trust[3]} && ${trust[4]}; then if ${trust[1]} && ${trust[2]} && ${trust[3]} && ${trust[4]}; then
pr_litegreen "Ok " pr_litegreen "Ok "
fileout "trust" "OK" "All certificate trust checks passed.addtl_warning" fileout "$heading trust" "OK" "All certificate trust checks passed. $addtl_warning"
# at least one failed # at least one failed
else else
pr_red "NOT ok" pr_red "NOT ok "
# all failed (we assume with the same issue) # all failed (we assume with the same issue)
if ! ${trust[1]} && ! ${trust[2]} && ! ${trust[3]} && ! ${trust[4]}; then if ! ${trust[1]} && ! ${trust[2]} && ! ${trust[3]} && ! ${trust[4]}; then
verify_retcode_helper "${verify_retcode[2]}" verify_retcode_helper "${verify_retcode[2]}"
fileout "trust" "NOT OK" "All certificate trust checks failed: verify_retcode_helper "${verify_retcode[2]}".addtl_warning" fileout "$heading trust" "NOT OK" "All certificate trust checks failed: $(verify_retcode_helper "${verify_retcode[2]}"). $addtl_warning"
else else
# is one ok and the others not? # is one ok and the others not?
if ${trust[1]} || ${trust[2]} || ${trust[3]} || ${trust[4]}; then if ${trust[1]} || ${trust[2]} || ${trust[3]} || ${trust[4]}; then
pr_red ":" pr_redln ":"
out "spaces" out "$spaces"
pr_red "FAILED:" pr_red "FAILED:"
for i in 1 2 3 4; do for i in 1 2 3 4; do
if ${trust[i]}; then if ${trust[i]}; then
@ -2714,7 +2707,7 @@ determine_trust() {
#notok_was="${certificate_file[i]} $notok_was" #notok_was="${certificate_file[i]} $notok_was"
pr_litered " ${certificate_file[i]} " pr_litered " ${certificate_file[i]} "
verify_retcode_helper "${verify_retcode[i]}" verify_retcode_helper "${verify_retcode[i]}"
notok_was="${certificate_file[i]} - verify_retcode_helper "${verify_retcode[i]}"notok_was" notok_was="${certificate_file[i]} $(verify_retcode_helper "${verify_retcode[i]}") $notok_was"
fi fi
done done
#pr_litered "$notok_was " #pr_litered "$notok_was "
@ -2724,7 +2717,7 @@ determine_trust() {
[[ "$DEBUG" -eq 0 ]] && out "$spaces" [[ "$DEBUG" -eq 0 ]] && out "$spaces"
pr_litegreen "OK: $ok_was" pr_litegreen "OK: $ok_was"
fi fi
fileout "trust" "NOT OK" "Some certificate trust checks failed OK : $ok_was NOT ok:notok_was $addtl_warning" fileout "$heading trust" "NOT OK" "Some certificate trust checks failed : OK : $ok_was NOT ok : $notok_was $addtl_warning"
fi fi
fi fi
outln outln
@ -2774,11 +2767,13 @@ sclient_connect_successful() {
return 1 return 1
} }
# arg1 is "-cipher <OpenSSL cipher>" or empty
determine_tls_extensions() { determine_tls_extensions() {
local proto local proto
local success local success
local alpn="" local alpn=""
local savedir
local nrsaved
$HAS_ALPN && alpn="h2-14,h2-15,h2" $HAS_ALPN && alpn="h2-14,h2-15,h2"
@ -2786,14 +2781,16 @@ determine_tls_extensions() {
success=7 success=7
for proto in tls1_2 tls1_1 tls1 ssl3; do for proto in tls1_2 tls1_1 tls1 ssl3; do
# alpn: echo | openssl s_client -connect google.com:443 -tlsextdebug -alpn h2-14 -servername google.com <-- suport needs to be checked b4 -- see also: ssl/t1_trce.c # alpn: echo | openssl s_client -connect google.com:443 -tlsextdebug -alpn h2-14 -servername google.com <-- suport needs to be checked b4 -- see also: ssl/t1_trce.c
$OPENSSL s_client $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $SNI -$proto -tlsextdebug -nextprotoneg $alpn -status </dev/null 2>$ERRFILE >$TMPFILE $OPENSSL s_client $STARTTLS $BUGS $1 -showcerts -connect $NODEIP:$PORT $PROXY $SNI -$proto -tlsextdebug -nextprotoneg $alpn -status </dev/null 2>$ERRFILE >$TMPFILE
sclient_connect_successful $? $TMPFILE && success=0 && break sclient_connect_successful $? $TMPFILE && success=0 && break
done # this loop is needed for IIS/6 done # this loop is needed for IIS/6
if [[ $success -eq 7 ]]; then if [[ $success -eq 7 ]]; then
# "-status" above doesn't work for GOST only servers, so we do another test without it and see whether that works then: # "-status" above doesn't work for GOST only servers, so we do another test without it and see whether that works then:
$OPENSSL s_client $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $SNI -$proto -tlsextdebug </dev/null 2>>$ERRFILE >$TMPFILE $OPENSSL s_client $STARTTLS $BUGS $1 -showcerts -connect $NODEIP:$PORT $PROXY $SNI -$proto -tlsextdebug </dev/null 2>>$ERRFILE >$TMPFILE
if ! sclient_connect_successful $? $TMPFILE; then if ! sclient_connect_successful $? $TMPFILE; then
if [ -z "$1" ]; then
pr_litemagentaln "Strange, no SSL/TLS protocol seems to be supported (error around line $((LINENO - 6)))" pr_litemagentaln "Strange, no SSL/TLS protocol seems to be supported (error around line $((LINENO - 6)))"
fi
tmpfile_handle $FUNCNAME.txt tmpfile_handle $FUNCNAME.txt
return 7 # this is ugly, I know return 7 # this is ugly, I know
else else
@ -2801,97 +2798,93 @@ determine_tls_extensions() {
fi fi
fi fi
TLS_EXTENSIONS=$(awk -F'"' '/TLS server extension / { printf "\""$2"\" " }' $TMPFILE) TLS_EXTENSIONS=$(awk -F'"' '/TLS server extension / { printf "\""$2"\" " }' $TMPFILE)
get_host_cert "-$proto"
success=$? # Place the server's certificate in $HOSTCERT and any intermediate
# certificates that were provided in $TEMPDIR/intermediatecerts.pem
savedir=$(pwd); cd $TEMPDIR
# http://backreference.org/2010/05/09/ocsp-verification-with-openssl/
awk -v n=-1 '/Certificate chain/ {start=1}
/-----BEGIN CERTIFICATE-----/{ if (start) {inc=1; n++} }
inc { print > ("level" n ".crt") }
/---END CERTIFICATE-----/{ inc=0 }' $TMPFILE
nrsaved=$(count_words "$(echo level?.crt 2>/dev/null)")
if [[ $nrsaved -eq 0 ]]; then
success=1
else
success=0
mv level0.crt $HOSTCERT
if [[ $nrsaved -eq 1 ]]; then
echo "" > $TEMPDIR/intermediatecerts.pem
else
cat level?.crt > $TEMPDIR/intermediatecerts.pem
rm level?.crt
fi
fi
cd "$savedir"
tmpfile_handle $FUNCNAME.txt tmpfile_handle $FUNCNAME.txt
return $success return $success
} }
run_server_defaults() { certificate_info() {
local proto local proto
local sessticket_str lifetime unit keysize sig_algo key_algo local -i certificate_number=$1
local -i number_of_certificates=$2
local cipher=$3
local keysize=$4
local ocsp_response=$5
local ocsp_response_status=$6
local sig_algo key_algo
local expire days2expire secs2warn ocsp_uri crl startdate enddate issuer_C issuer_O issuer sans san cn cn_nosni local expire days2expire secs2warn ocsp_uri crl startdate enddate issuer_C issuer_O issuer sans san cn cn_nosni
local cert_fingerprint_sha1 cert_fingerprint_sha2 cert_fingerprint_serial local cert_fingerprint_sha1 cert_fingerprint_sha2 cert_fingerprint_serial
local policy_oid local policy_oid
local spaces=" " local spaces=" "
local wildcard=false local wildcard=false
local -i certificates_provided
local cnfinding local cnfinding
local cnok="OK" local cnok="OK"
local expfinding expok="OK" local expfinding expok="OK"
local heading=""
outln outln
pr_headlineln " Testing server defaults (Server Hello) " out " "
if [[ $number_of_certificates -gt 1 ]]; then
heading="Server Certifcate #$certificate_number"
else
heading="Server Certifcate"
fi
pr_headlineln " $heading "
outln outln
pr_bold " TLS server extensions (std) "
[[ -z "$TLS_EXTENSIONS" ]] && determine_tls_extensions
#extensions=$(grep -aw "^TLS server extension" $TMPFILE | sed -e 's/^TLS server extension \"//' -e 's/\".*$/,/g')
if [[ -z "$TLS_EXTENSIONS" ]]; then
outln "(none)"
fileout "tls_extensions" "INFO" "TLS server extensions (std): (none)"
else
#echo $extensions | sed 's/ /,/g'
outln "$TLS_EXTENSIONS"
fileout "tls_extensions" "INFO" "TLS server extensions (std): $TLS_EXTENSIONS"
fi
cp "$TEMPDIR/$NODEIP.determine_tls_extensions.txt" $TMPFILE
>$ERRFILE
pr_bold " Session Tickets RFC 5077 "
sessticket_str=$(grep -aw "session ticket" $TMPFILE | grep -a lifetime)
if [[ -z "$sessticket_str" ]]; then
outln "(none)"
fileout "session_ticket" "INFO" "TLS session tickes RFC 5077 not supported"
else
lifetime=$(echo $sessticket_str | grep -a lifetime | sed 's/[A-Za-z:() ]//g')
unit=$(echo $sessticket_str | grep -a lifetime | sed -e 's/^.*'"$lifetime"'//' -e 's/[ ()]//g')
out "$lifetime $unit "
pr_yellowln "(PFS requires session ticket keys to be rotated <= daily)"
fileout "session_ticket" "INFO" "TLS session tickes RFC 5077 valid for $lifetime $unit (PFS requires session ticket keys to be rotated at least daily)"
fi
pr_bold " SSL Session ID support "
if $NO_SSL_SESSIONID; then
outln "no"
fileout "session_id" "INFO" "SSL session ID support: no"
else
outln "yes"
fileout "session_id" "INFO" "SSL session ID support: yes"
fi
pr_bold " Server key size " pr_bold " Server key size "
keysize=$(grep -aw "^Server public key is" $TMPFILE | sed -e 's/^Server public key is //' -e 's/bit//' -e 's/ //')
sig_algo=$($OPENSSL x509 -in $HOSTCERT -noout -text 2>>$ERRFILE | grep "Signature Algorithm" | sed 's/^.*Signature Algorithm: //' | sort -u ) sig_algo=$($OPENSSL x509 -in $HOSTCERT -noout -text 2>>$ERRFILE | grep "Signature Algorithm" | sed 's/^.*Signature Algorithm: //' | sort -u )
key_algo=$($OPENSSL x509 -in $HOSTCERT -noout -text 2>>$ERRFILE | awk -F':' '/Public Key Algorithm:/ { print $2 }' | sort -u ) key_algo=$($OPENSSL x509 -in $HOSTCERT -noout -text 2>>$ERRFILE | awk -F':' '/Public Key Algorithm:/ { print $2 }' | sort -u )
if [[ -z "$keysize" ]]; then if [[ -z "$keysize" ]]; then
outln "(couldn't determine)" outln "(couldn't determine)"
fileout "key_size" "WARN" "Server keys size cannot be determined" fileout "$heading key_size" "WARN" "Server keys size cannot be determined"
else else
if [[ "$keysize" -le 768 ]]; then if [[ "$keysize" -le 768 ]]; then
if [[ $sig_algo =~ ecdsa ]] || [[ $key_algo =~ ecPublicKey ]]; then if [[ $sig_algo =~ ecdsa ]] || [[ $key_algo =~ ecPublicKey ]]; then
pr_litegreen "EC $keysize" pr_litegreen "EC $keysize"
fileout "key_size" "OK" "Server keys $keysize bits EC (OK)" fileout "$heading key_size" "OK" "Server keys $keysize bits EC (OK)"
else else
pr_red "$keysize" pr_red "$keysize"
fileout "key_size" "NOT OK" "Server keys $keysize bits (NOT ok)" fileout "$heading key_size" "NOT OK" "Server keys $keysize bits (NOT ok)"
fi fi
elif [[ "$keysize" -le 1024 ]]; then elif [[ "$keysize" -le 1024 ]]; then
pr_brown "$keysize" pr_brown "$keysize"
fileout "key_size" "NOT OK" "Server keys $keysize bits (NOT ok)" fileout "$heading key_size" "NOT OK" "Server keys $keysize bits (NOT ok)"
elif [[ "$keysize" -le 2048 ]]; then elif [[ "$keysize" -le 2048 ]]; then
out "$keysize" out "$keysize"
fileout "key_size" "INFO" "Server keys $keysize bits" fileout "$heading key_size" "INFO" "Server keys $keysize bits"
elif [[ "$keysize" -le 4096 ]]; then elif [[ "$keysize" -le 4096 ]]; then
pr_litegreen "$keysize" pr_litegreen "$keysize"
fileout "key_size" "OK" "Server keys $keysize bits (OK)" fileout "$heading key_size" "OK" "Server keys $keysize bits (OK)"
else else
out "weird keysize: $keysize" out "weird keysize: $keysize"
fileout "key_size" "WARN" "Server keys $keysize bits (Odd)" fileout "$heading key_size" "WARN" "Server keys $keysize bits (Odd)"
fi fi
fi fi
outln " bit" outln " bit"
@ -2900,31 +2893,31 @@ run_server_defaults() {
case $sig_algo in case $sig_algo in
sha1WithRSAEncryption) sha1WithRSAEncryption)
pr_brownln "SHA1 with RSA" pr_brownln "SHA1 with RSA"
fileout "algorithm" "WARN" "Signature Algorithm: SHA1 with RSA (warning)" fileout "$heading algorithm" "WARN" "Signature Algorithm: SHA1 with RSA (warning)"
;; ;;
sha256WithRSAEncryption) sha256WithRSAEncryption)
pr_litegreenln "SHA256 with RSA" pr_litegreenln "SHA256 with RSA"
fileout "algorithm" "OK" "Signature Algorithm: SHA256 with RSA (OK)" fileout "$heading algorithm" "OK" "Signature Algorithm: SHA256 with RSA (OK)"
;; ;;
sha384WithRSAEncryption) sha384WithRSAEncryption)
pr_litegreenln "SHA384 with RSA" pr_litegreenln "SHA384 with RSA"
fileout "algorithm" "OK" "Signature Algorithm: SHA384 with RSA (OK)" fileout "$heading algorithm" "OK" "Signature Algorithm: SHA384 with RSA (OK)"
;; ;;
sha512WithRSAEncryption) sha512WithRSAEncryption)
pr_litegreenln "SHA512 with RSA" pr_litegreenln "SHA512 with RSA"
fileout "algorithm" "OK" "Signature Algorithm: SHA512 with RSA (OK)" fileout "$heading algorithm" "OK" "Signature Algorithm: SHA512 with RSA (OK)"
;; ;;
ecdsa-with-SHA256) ecdsa-with-SHA256)
pr_litegreenln "ECDSA with SHA256" pr_litegreenln "ECDSA with SHA256"
fileout "algorithm" "OK" "Signature Algorithm: ECDSA with SHA256 (OK)" fileout "$heading algorithm" "OK" "Signature Algorithm: ECDSA with SHA256 (OK)"
;; ;;
md5*) md5*)
pr_redln "MD5" pr_redln "MD5"
fileout "algorithm" "NOT OK" "Signature Algorithm: MD5 (NOT ok)" fileout "$heading algorithm" "NOT OK" "Signature Algorithm: MD5 (NOT ok)"
;; ;;
*) *)
outln "$sig_algo" outln "$sig_algo"
fileout "algorithm" "INFO" "Signature Algorithm: $sign_algo" fileout "$heading algorithm" "INFO" "Signature Algorithm: $sign_algo"
;; ;;
esac esac
# old, but interesting: https://blog.hboeck.de/archives/754-Playing-with-the-EFF-SSL-Observatory.html # old, but interesting: https://blog.hboeck.de/archives/754-Playing-with-the-EFF-SSL-Observatory.html
@ -2935,7 +2928,7 @@ run_server_defaults() {
cert_fingerprint_sha2="$($OPENSSL x509 -noout -in $HOSTCERT -fingerprint -sha256 2>>$ERRFILE | sed 's/Fingerprint=//' | sed 's/://g' )" cert_fingerprint_sha2="$($OPENSSL x509 -noout -in $HOSTCERT -fingerprint -sha256 2>>$ERRFILE | sed 's/Fingerprint=//' | sed 's/://g' )"
outln "$cert_fingerprint_sha1 / $cert_fingerprint_serial" outln "$cert_fingerprint_sha1 / $cert_fingerprint_serial"
outln "$spaces$cert_fingerprint_sha2" outln "$spaces$cert_fingerprint_sha2"
fileout "fingerprint" "INFO" "Fingerprints / Serial: $cert_fingerprint_sha1 / $cert_fingerprint_serial, $cert_fingerprint_sha2" fileout "$heading fingerprint" "INFO" "Fingerprints / Serial: $cert_fingerprint_sha1 / $cert_fingerprint_serial, $cert_fingerprint_sha2"
pr_bold " Common Name (CN) " pr_bold " Common Name (CN) "
cnfinding="Common Name (CN) : " cnfinding="Common Name (CN) : "
@ -2964,7 +2957,7 @@ run_server_defaults() {
cnok="INFO" cnok="INFO"
fi fi
$OPENSSL s_client $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $OPTIMAL_PROTO 2>>$ERRFILE </dev/null | awk '/-----BEGIN/,/-----END/ { print $0 }' >$HOSTCERT.nosni $OPENSSL s_client $STARTTLS $BUGS -cipher $cipher -connect $NODEIP:$PORT $PROXY $OPTIMAL_PROTO 2>>$ERRFILE </dev/null | awk '/-----BEGIN/,/-----END/ { print $0 }' >$HOSTCERT.nosni
cn_nosni="" cn_nosni=""
if [[ -s $HOSTCERT.nosni ]]; then if [[ -s $HOSTCERT.nosni ]]; then
if $OPENSSL x509 -in $HOSTCERT.nosni -noout -subject 2>>$ERRFILE | grep -wq CN; then if $OPENSSL x509 -in $HOSTCERT.nosni -noout -subject 2>>$ERRFILE | grep -wq CN; then
@ -3008,7 +3001,7 @@ run_server_defaults() {
cnfinding+=" (CN in response to request w/o SNI: \"$cn_nosni\")" cnfinding+=" (CN in response to request w/o SNI: \"$cn_nosni\")"
fi fi
fi fi
fileout "cn" "$cnok" "$cnfinding" fileout "$heading cn" "$cnok" "$cnfinding"
sans=$($OPENSSL x509 -in $HOSTCERT -noout -text 2>>$ERRFILE | grep -A3 "Subject Alternative Name" | grep "DNS:" | \ sans=$($OPENSSL x509 -in $HOSTCERT -noout -text 2>>$ERRFILE | grep -A3 "Subject Alternative Name" | grep "DNS:" | \
sed -e 's/DNS://g' -e 's/ //g' -e 's/,/ /g' -e 's/othername:<unsupported>//g') sed -e 's/DNS://g' -e 's/ //g' -e 's/,/ /g' -e 's/othername:<unsupported>//g')
@ -3019,10 +3012,10 @@ run_server_defaults() {
pr_dquoted "$san" pr_dquoted "$san"
out " " out " "
done done
fileout "san" "INFO" "subjectAltName (SAN) : $sans" fileout "$heading san" "INFO" "subjectAltName (SAN) : $sans"
else else
out "-- " out "-- "
fileout "san" "INFO" "subjectAltName (SAN) : --" fileout "$heading san" "INFO" "subjectAltName (SAN) : --"
fi fi
outln outln
pr_bold " Issuer " pr_bold " Issuer "
@ -3035,7 +3028,7 @@ run_server_defaults() {
fi fi
if [[ "$issuer_O" == "issuer=" ]] || [[ "$issuer_O" == "issuer= " ]] || [[ "$issuer" == "$CN" ]]; then if [[ "$issuer_O" == "issuer=" ]] || [[ "$issuer_O" == "issuer= " ]] || [[ "$issuer" == "$CN" ]]; then
pr_redln "selfsigned (NOT ok)" pr_redln "selfsigned (NOT ok)"
fileout "issuer" "NOT OK" "Issuer: selfsigned (NOT ok)" fileout "$heading issuer" "NOT OK" "Issuer: selfsigned (NOT ok)"
else else
pr_dquoted "$issuer" pr_dquoted "$issuer"
out " (" out " ("
@ -3043,9 +3036,9 @@ run_server_defaults() {
if [[ -n "$issuer_C" ]]; then if [[ -n "$issuer_C" ]]; then
out " from " out " from "
pr_dquoted "$issuer_C" pr_dquoted "$issuer_C"
fileout "issuer" "INFO" "Issuer: \"$issuer\" ( \"$issuer_O\" from \"$issuer_C\")" fileout "$heading issuer" "INFO" "Issuer: \"$issuer\" ( \"$issuer_O\" from \"$issuer_C\")"
else else
fileout "issuer" "INFO" "Issuer: \"$issuer\" ( \"$issuer_O\" )" fileout "$heading issuer" "INFO" "Issuer: \"$issuer\" ( \"$issuer_O\" )"
fi fi
outln ")" outln ")"
fi fi
@ -3062,10 +3055,10 @@ run_server_defaults() {
[[ 1.3.6.1.4.1.17326.10.8.12.1.2 == "$policy_oid" ]] || \ [[ 1.3.6.1.4.1.17326.10.8.12.1.2 == "$policy_oid" ]] || \
[[ 1.3.6.1.4.1.13177.10.1.3.10 == "$policy_oid" ]] ; then [[ 1.3.6.1.4.1.13177.10.1.3.10 == "$policy_oid" ]] ; then
out "yes " out "yes "
fileout "ev" "OK" "Extended Validation (EV) (experimental) : yes" fileout "$heading ev" "OK" "Extended Validation (EV) (experimental) : yes"
else else
out "no " out "no "
fileout "ev" "INFO" "Extended Validation (EV) (experimental) : no" fileout "$heading ev" "INFO" "Extended Validation (EV) (experimental) : no"
fi fi
debugme echo "($(newline_to_spaces "$policy_oid"))" debugme echo "($(newline_to_spaces "$policy_oid"))"
outln outln
@ -3113,77 +3106,206 @@ run_server_defaults() {
fi fi
fi fi
outln " ($startdate --> $enddate)" outln " ($startdate --> $enddate)"
fileout "expiration" "$expok" "Certificate Expiration : $expfinding ($startdate --> $enddate)" fileout "$heading expiration" "$expok" "Certificate Expiration : $expfinding ($startdate --> $enddate)"
certificates_provided=1+$(grep -c "\-\-\-\-\-BEGIN CERTIFICATE\-\-\-\-\-" $TEMPDIR/intermediatecerts.pem)
pr_bold " # of certificates provided"; outln " $(get_all_certs)" pr_bold " # of certificates provided"; outln " $certificates_provided"
fileout "certcount" "INFO" "# of certificates provided : $(get_all_certs)" fileout "$heading certcount" "INFO" "# of certificates provided : $certificates_provided"
pr_bold " Chain of trust"; out " (experim.) " pr_bold " Chain of trust"; out " (experim.) "
determine_trust #Also handles fileout determine_trust "$heading" #Also handles fileout
pr_bold " Certificate Revocation List " pr_bold " Certificate Revocation List "
crl="$($OPENSSL x509 -in $HOSTCERT -noout -text 2>>$ERRFILE | grep -A 4 "CRL Distribution" | grep URI | sed 's/^.*URI://')" crl="$($OPENSSL x509 -in $HOSTCERT -noout -text 2>>$ERRFILE | grep -A 4 "CRL Distribution" | grep URI | sed 's/^.*URI://')"
if [[ -z "$crl" ]]; then if [[ -z "$crl" ]]; then
pr_literedln "--" pr_literedln "--"
fileout "crl" "NOT OK" "No CRL provided (NOT ok)" fileout "$heading crl" "NOT OK" "No CRL provided (NOT ok)"
elif grep -q http <<< "$crl"; then elif grep -q http <<< "$crl"; then
if [[ $(count_lines "$crl") -eq 1 ]]; then if [[ $(count_lines "$crl") -eq 1 ]]; then
outln "$crl" outln "$crl"
fileout "crl" "INFO" "Certificate Revocation List : $crl" fileout "$heading crl" "INFO" "Certificate Revocation List : $crl"
else # more than one CRL else # more than one CRL
out_row_aligned "$crl" "$spaces" out_row_aligned "$crl" "$spaces"
fileout "crl" "INFO" "Certificate Revocation List : $crl" fileout "$heading crl" "INFO" "Certificate Revocation List : $crl"
fi fi
else else
pr_litemagentaln "no parsable output \"$crl\", pls report" pr_litemagentaln "no parsable output \"$crl\", pls report"
fileout "crl" "WARN" "Certificate Revocation List : no parsable output \"$crl\", pls report" fileout "$heading crl" "WARN" "Certificate Revocation List : no parsable output \"$crl\", pls report"
fi fi
pr_bold " OCSP URI " pr_bold " OCSP URI "
ocsp_uri=$($OPENSSL x509 -in $HOSTCERT -noout -ocsp_uri 2>>$ERRFILE) ocsp_uri=$($OPENSSL x509 -in $HOSTCERT -noout -ocsp_uri 2>>$ERRFILE)
if [[ -z "$ocsp_uri" ]]; then if [[ -z "$ocsp_uri" ]]; then
pr_literedln "--" pr_literedln "--"
fileout "ocsp_uri" "NOT OK" "OCSP URI : -- (NOT ok)" fileout "$heading ocsp_uri" "NOT OK" "OCSP URI : -- (NOT ok)"
else else
outln "$ocsp_uri" outln "$ocsp_uri"
fileout "ocsp_uri" "INFO" "OCSP URI : $ocsp_uri" fileout "$heading ocsp_uri" "INFO" "OCSP URI : $ocsp_uri"
fi fi
pr_bold " OCSP stapling " pr_bold " OCSP stapling "
if grep -a "OCSP response" $TMPFILE | grep -q "no response sent" ; then if grep -a "OCSP response" <<<"$ocsp_response" | grep -q "no response sent" ; then
out " not offered" out " not offered"
fileout "ocsp_stapling" "INFO" "OCSP stapling : not offered" fileout "$heading ocsp_stapling" "INFO" "OCSP stapling : not offered"
else else
if grep -a "OCSP Response Status" $TMPFILE | grep -q successful; then if grep -a "OCSP Response Status" <<<"$ocsp_response_status" | grep -q successful; then
pr_litegreen " offered" pr_litegreen " offered"
fileout "ocsp_stapling" "OK" "OCSP stapling : offered" fileout "$heading ocsp_stapling" "OK" "OCSP stapling : offered"
else else
if $GOST_STATUS_PROBLEM; then if $GOST_STATUS_PROBLEM; then
out " (GOST servers make problems here, sorry)" out " (GOST servers make problems here, sorry)"
fileout "ocsp_stapling" "OK" "OCSP stapling : (GOST servers make problems here, sorry)" fileout "$heading ocsp_stapling" "OK" "OCSP stapling : (GOST servers make problems here, sorry)"
ret=0 ret=0
else else
outln " not sure what's going on here, debug:" outln " not sure what's going on here, debug:"
grep -aA 20 "OCSP response" $TMPFILE grep -aA 20 "OCSP response" <<<"$ocsp_response"
fileout "ocsp_stapling" "OK" "OCSP stapling : not sure what's going on here, debug: grep -aA 20 "OCSP response" $TMPFILE" fileout "$heading ocsp_stapling" "OK" "OCSP stapling : not sure what's going on here, debug: grep -aA 20 "OCSP response" <<<"$ocsp_response""
ret=2 ret=2
fi fi
fi fi
fi fi
outln outln
# if we call tls_time before tmpfile_handle it throws an error because the function tls_sockets removed $TMPFILE
# already -- and that was a different one -- means that would get overwritten anyway
tmpfile_handle $FUNCNAME.txt
tls_time
return $ret return $ret
} }
# FIXME: revoked, see checkcert.sh # FIXME: revoked, see checkcert.sh
# FIXME: Trust (only CN) # FIXME: Trust (only CN)
run_server_defaults() {
local ciph match_found newhostcert
local sessticket_str=""
local lifetime unit
local line
local -i i n
local all_tls_extensions=""
local -i certs_found=0
local -a previous_hostcert previous_intermediates keysize cipher ocsp_response ocsp_response_status
local -a ciphers_to_test
# Try each public key type once:
# ciphers_to_test[1]: cipher suites using certificates with RSA signature public keys
# ciphers_to_test[2]: cipher suites using certificates with RSA key encipherment public keys
# ciphers_to_test[3]: cipher suites using certificates with DSA signature public keys
# ciphers_to_test[4]: cipher suites using certificates with DH key agreement public keys
# ciphers_to_test[5]: cipher suites using certificates with ECDH key agreement public keys
# ciphers_to_test[6]: cipher suites using certificates with ECDSA signature public keys
# ciphers_to_test[7]: cipher suites using certificates with GOST R 34.10 (either 2001 or 94) public keys
ciphers_to_test[1]=""
ciphers_to_test[2]=""
for ciph in $(colon_to_spaces $($OPENSSL ciphers "aRSA")); do
if grep -q "\-RSA\-" <<<$ciph; then
ciphers_to_test[1]="${ciphers_to_test[1]}:$ciph"
else
ciphers_to_test[2]="${ciphers_to_test[2]}:$ciph"
fi
done
[[ -n "${ciphers_to_test[1]}" ]] && ciphers_to_test[1]="${ciphers_to_test[1]:1}"
[[ -n "${ciphers_to_test[2]}" ]] && ciphers_to_test[2]="${ciphers_to_test[2]:1}"
ciphers_to_test[3]="aDSS"
ciphers_to_test[4]="aDH"
ciphers_to_test[5]="aECDH"
ciphers_to_test[6]="aECDSA"
ciphers_to_test[7]="aGOST"
for n in 1 2 3 4 5 6 7 ; do
if [[ -n "${ciphers_to_test[n]}" ]] && [[ $(count_ciphers $($OPENSSL ciphers "${ciphers_to_test[n]}" 2>>$ERRFILE)) -ge 1 ]]; then
determine_tls_extensions "-cipher ${ciphers_to_test[n]}"
if [[ $? -eq 0 ]]; then
# check to see if any new TLS extensions were returned and add any new ones to all_tls_extensions
while read -d "\"" -r line; do
if [[ $line != "" ]] && ! grep -q "$line" <<< "$all_tls_extensions"; then
all_tls_extensions="${all_tls_extensions} \"${line}\""
fi
done <<<$TLS_EXTENSIONS
cp "$TEMPDIR/$NODEIP.determine_tls_extensions.txt" $TMPFILE
>$ERRFILE
if [[ -z "$sessticket_str" ]]; then
sessticket_str=$(grep -aw "session ticket" $TMPFILE | grep -a lifetime)
fi
# check whether the host's certificate has been seen before
match_found=false
i=1
newhostcert=$(cat $HOSTCERT)
while [[ $i -le $certs_found ]]; do
if [ "$newhostcert" == "${previous_hostcert[i]}" ]; then
match_found=true
break;
fi
i=$(($i + 1))
done
if ! $match_found ; then
certs_found=$(($certs_found + 1))
cipher[certs_found]=${ciphers_to_test[n]}
keysize[certs_found]=$(grep -aw "^Server public key is" $TMPFILE | sed -e 's/^Server public key is //' -e 's/bit//' -e 's/ //')
ocsp_response[certs_found]=$(grep -aA 20 "OCSP response" $TMPFILE)
ocsp_response_status[certs_found]=$(grep -a "OCSP Response Status" $TMPFILE)
previous_hostcert[certs_found]=$newhostcert
previous_intermediates[certs_found]=$(cat $TEMPDIR/intermediatecerts.pem)
fi
fi
fi
done
if [[ $certs_found -eq 0 ]]; then
[[ -z "$TLS_EXTENSIONS" ]] && determine_tls_extensions
[[ -n "$TLS_EXTENSIONS" ]] && all_tls_extensions=" $TLS_EXTENSIONS"
cp "$TEMPDIR/$NODEIP.determine_tls_extensions.txt" $TMPFILE
>$ERRFILE
sessticket_str=$(grep -aw "session ticket" $TMPFILE | grep -a lifetime)
fi
outln
pr_headlineln " Testing server defaults (Server Hello) "
outln
pr_bold " TLS server extensions (std) "
if [[ -z "$all_tls_extensions" ]]; then
outln "(none)"
fileout "tls_extensions" "INFO" "TLS server extensions (std): (none)"
else
all_tls_extensions="${all_tls_extensions:1}"
outln "$all_tls_extensions"
fileout "tls_extensions" "INFO" "TLS server extensions (std): $all_tls_extensions"
fi
TLS_EXTENSIONS="$all_tls_extensions"
pr_bold " Session Tickets RFC 5077 "
if [[ -z "$sessticket_str" ]]; then
outln "(none)"
fileout "session_ticket" "INFO" "TLS session tickes RFC 5077 not supported"
else
lifetime=$(echo $sessticket_str | grep -a lifetime | sed 's/[A-Za-z:() ]//g')
unit=$(echo $sessticket_str | grep -a lifetime | sed -e 's/^.*'"$lifetime"'//' -e 's/[ ()]//g')
out "$lifetime $unit "
pr_yellowln "(PFS requires session ticket keys to be rotated <= daily)"
fileout "session_ticket" "INFO" "TLS session tickes RFC 5077 valid for $lifetime $unit (PFS requires session ticket keys to be rotated at least daily)"
fi
pr_bold " SSL Session ID support "
if $NO_SSL_SESSIONID; then
outln "no"
fileout "session_id" "INFO" "SSL session ID support: no"
else
outln "yes"
fileout "session_id" "INFO" "SSL session ID support: yes"
fi
tls_time
i=1
while [[ $i -le $certs_found ]]; do
echo "${previous_hostcert[i]}" > $HOSTCERT
echo "${previous_intermediates[i]}" > $TEMPDIR/intermediatecerts.pem
certificate_info "$i" "$certs_found" "${cipher[i]}" "${keysize[i]}" "${ocsp_response[i]}" "${ocsp_response_status[i]}"
i=$(($i + 1))
done
}
# http://www.heise.de/security/artikel/Forward-Secrecy-testen-und-einrichten-1932806.html # http://www.heise.de/security/artikel/Forward-Secrecy-testen-und-einrichten-1932806.html
run_pfs() { run_pfs() {
local -i sclient_success local -i sclient_success