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Merge pull request #630 from dcooper16/show_rfc_

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Option to show RFC cipher names
This commit is contained in:
Dirk Wetter
2017-02-14 09:28:15 +01:00
committed by GitHub
parent 971c8e8b63 1dc132c6a4
commit 67fb3feff8
1 changed files with 98 additions and 25 deletions
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testssl.sh
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@@ -229,6 +229,7 @@ HAS_PROXY=false
HAS_XMPP=false
HAS_POSTGRES=false
ADD_RFC_STR="rfc" # display RFC ciphernames
SHOW_RFC="" # display RFC ciphernames instead of OpenSSL ciphernames
PORT=443 # unless otherwise auto-determined, see below
NODE=""
NODEIP=""
@@ -4178,7 +4179,13 @@ run_client_simulation() {
fi
#FiXME: awk
cipher=$(grep -wa Cipher $TMPFILE | egrep -avw "New|is" | sed -e 's/ //g' -e 's/^Cipher://')
"$using_sockets" && [[ -n "${handshakebytes[i]}" ]] && [[ $TLS_NR_CIPHERS -ne 0 ]] && cipher="$(rfc2openssl "$cipher")"
if [[ -z "$SHOW_RFC" ]] && ( [[ "$cipher" == TLS_* ]] || [[ "$cipher" == SSL_* ]] ); then
cipher="$(rfc2openssl "$cipher")"
[[ -z "$cipher" ]] && cipher=$(grep -wa Cipher $TMPFILE | egrep -avw "New|is" | sed -e 's/ //g' -e 's/^Cipher://')
elif [[ -n "$SHOW_RFC" ]] && [[ "$cipher" != TLS_* ]] && [[ "$cipher" != SSL_* ]]; then
cipher="$(openssl2rfc "$cipher")"
[[ -z "$cipher" ]] && cipher=$(grep -wa Cipher $TMPFILE | egrep -avw "New|is" | sed -e 's/ //g' -e 's/^Cipher://')
fi
out "$proto $cipher"
"$using_sockets" && [[ -n "${handshakebytes[i]}" ]] && has_dh_bits=$HAS_DH_BITS && HAS_DH_BITS=true
"$HAS_DH_BITS" && read_dhbits_from_file $TMPFILE
@@ -4736,7 +4743,7 @@ read_dhbits_from_file() {
run_server_preference() {
local cipher1 cipher2
local default_cipher default_proto
local default_cipher default_cipher_ossl default_proto
local remark4default_cipher supported_sslv2_ciphers
local -a cipher proto
local p i
@@ -4862,8 +4869,14 @@ run_server_preference() {
esac
pr_bold " Negotiated cipher "
default_cipher=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
case "$default_cipher" in
default_cipher_ossl=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
if [[ -z "$SHOW_RFC" ]]; then
default_cipher="$default_cipher_ossl"
else
default_cipher="$(openssl2rfc "$default_cipher_ossl")"
[[ -z "$default_cipher" ]] && default_cipher="$default_cipher_ossl"
fi
case "$default_cipher_ossl" in
*NULL*|*EXP*)
pr_svrty_critical "$default_cipher"
fileout "order_cipher" "CRITICAL" "Default cipher: $default_cipher$(read_dhbits_from_file "$TMPFILE") $remark4default_cipher"
@@ -4921,7 +4934,11 @@ run_server_preference() {
cipher1="${TLS_CIPHER_HEXCODE[j]}"
cipher1="$(tolower "x${cipher1:2:2}${cipher1:7:2}${cipher1:12:2}")"
if [[ "$supported_sslv2_ciphers" =~ "$cipher1" ]]; then
cipher[i]="${TLS_CIPHER_OSSL_NAME[j]}"
if ( [[ -z "$SHOW_RFC" ]] && [[ "${TLS_CIPHER_OSSL_NAME[j]}" != "-" ]] ) || [[ "${TLS_CIPHER_RFC_NAME[j]}" == "-" ]]; then
cipher[i]="${TLS_CIPHER_OSSL_NAME[j]}"
else
cipher[i]="${TLS_CIPHER_RFC_NAME[j]}"
fi
break
fi
fi
@@ -4942,8 +4959,10 @@ run_server_preference() {
proto[i]="SSLv3"
cipher[i]=""
cipher1=$(awk '/Cipher *:/ { print $3 }' "$TEMPDIR/$NODEIP.parse_tls_serverhello.txt")
[[ $TLS_NR_CIPHERS -ne 0 ]] && cipher[i]="$(rfc2openssl "$cipher1")"
[[ -z "${cipher[i]}" ]] && cipher[i]="$cipher1"
if [[ -z "$SHOW_RFC" ]] && [[ $TLS_NR_CIPHERS -ne 0 ]]; then
cipher[i]="$(rfc2openssl "$cipher1")"
[[ -z "${cipher[i]}" ]] && cipher[i]="$cipher1"
fi
[[ $DEBUG -ge 2 ]] && outln "Default cipher for ${proto[i]}: ${cipher[i]}"
else
proto[i]=""
@@ -4957,6 +4976,10 @@ run_server_preference() {
proto[i]=$(grep -aw "Protocol" $TMPFILE | sed -e 's/^.*Protocol.*://' -e 's/ //g')
cipher[i]=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
[[ ${cipher[i]} == "0000" ]] && cipher[i]="" # Hack!
if [[ -n "$SHOW_RFC" ]] && [[ -n "${cipher[i]}" ]]; then
cipher[i]="$(openssl2rfc "${cipher[i]}")"
[[ -z "${cipher[i]}" ]] && cipher[i]=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
fi
[[ $DEBUG -ge 2 ]] && outln "Default cipher for ${proto[i]}: ${cipher[i]}"
else
proto[i]=""
@@ -4977,6 +5000,10 @@ run_server_preference() {
cipher[i]=""
else
cipher[i]=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
if [[ -n "$SHOW_RFC" ]] && [[ -n "${cipher[i]}" ]]; then
cipher[i]="$(openssl2rfc "${cipher[i]}")"
[[ -z "${cipher[i]}" ]] && cipher[i]=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
fi
[[ $DEBUG -ge 2 ]] && outln "Default cipher for ${proto[i]}: ${cipher[i]}"
fi
fi
@@ -4988,13 +5015,21 @@ run_server_preference() {
if [[ -n "${cipher[i]}" ]]; then # cipher not empty
if [[ -z "${cipher[i-1]}" ]]; then # previous one empty
#outln
printf -- " %-30s %s" "${cipher[i]}:" "${proto[i]}" # print out both
if [[ -z "$SHOW_RFC" ]]; then
printf -- " %-30s %s" "${cipher[i]}:" "${proto[i]}" # print out both
else
printf -- " %-51s %s" "${cipher[i]}:" "${proto[i]}" # print out both
fi
else # previous NOT empty
if [[ "${cipher[i-1]}" == "${cipher[i]}" ]]; then # and previous protocol same cipher
out ", ${proto[i]}" # same cipher --> only print out protocol behind it
else
outln
printf -- " %-30s %s" "${cipher[i]}:" "${proto[i]}" # print out both
if [[ -z "$SHOW_RFC" ]]; then
printf -- " %-30s %s" "${cipher[i]}:" "${proto[i]}" # print out both
else
printf -- " %-51s %s" "${cipher[i]}:" "${proto[i]}" # print out both
fi
fi
fi
fi
@@ -5088,7 +5123,7 @@ check_tls12_pref() {
cipher_pref_check() {
local p proto proto_hex npn_protos sni
local tested_cipher cipher order
local tested_cipher cipher order rfc_ciph rfc_order
local overflow_probe_cipherlist="ALL:-ECDHE-RSA-AES256-GCM-SHA384:-AES128-SHA:-DES-CBC3-SHA"
local -i i nr_ciphers nr_nonossl_ciphers num_bundles mod_check bundle_size bundle end_of_bundle success
local hexc ciphers_to_test
@@ -5134,7 +5169,7 @@ cipher_pref_check() {
sclient_connect_successful $? $TMPFILE || break
cipher=$(awk '/Cipher *:/ { print $3 }' $TMPFILE)
[[ -z "$cipher" ]] && break
order+=" $cipher"
order+="$cipher "
tested_cipher+=":-"$cipher
"$FAST" && break
done
@@ -5251,16 +5286,29 @@ cipher_pref_check() {
for (( i=0; i < nr_ciphers; i++ )); do
[[ "$cipher" == "${rfc_ciph[i]}" ]] && ciphers_found2[i]=true && break
done
cipher="$(rfc2openssl "$cipher")"
# If there is no OpenSSL name for the cipher, then use the RFC name
[[ -z "$cipher" ]] && cipher=$(awk '/Cipher *:/ { print $3 }' "$TEMPDIR/$NODEIP.parse_tls_serverhello.txt")
order+=" $cipher"
if [[ -z "$SHOW_RFC" ]] && [[ $TLS_NR_CIPHERS -ne 0 ]]; then
cipher="$(rfc2openssl "$cipher")"
# If there is no OpenSSL name for the cipher, then use the RFC name
[[ -z "$cipher" ]] && cipher=$(awk '/Cipher *:/ { print $3 }' "$TEMPDIR/$NODEIP.parse_tls_serverhello.txt")
fi
order+="$cipher "
done
elif [[ -n "$order" ]] && [[ -n "$SHOW_RFC" ]]; then
rfc_order=""
while read -d " " cipher; do
rfc_ciph="$(openssl2rfc "$cipher")"
if [[ -n "$rfc_ciph" ]]; then
rfc_order+="$rfc_ciph "
else
rfc_order+="$cipher "
fi
done <<< "$order"
order="$rfc_order"
fi
if [[ -n "$order" ]]; then
outln
printf " %-10s" "$proto: "
printf " %-10s " "$proto: "
out_row_aligned_max_width "$order" " " $TERM_WIDTH out
fileout "order_$p" "INFO" "Default cipher order for protocol $p: $order"
fi
@@ -5277,16 +5325,28 @@ cipher_pref_check() {
cipher=$(awk '/Cipher.*:/ { print $3 }' $TMPFILE)
printf " %-10s " "$p:"
tested_cipher="-"$cipher
order="$cipher"
order="$cipher "
if ! "$FAST"; then
while true; do
$OPENSSL s_client -cipher "ALL:$tested_cipher" $BUGS -nextprotoneg "$p" -connect $NODEIP:$PORT $SNI </dev/null 2>>$ERRFILE >$TMPFILE
sclient_connect_successful $? $TMPFILE || break
cipher=$(awk '/Cipher.*:/ { print $3 }' $TMPFILE)
tested_cipher="$tested_cipher:-$cipher"
order+=" $cipher"
order+="$cipher "
done
fi
if [[ -n "$order" ]] && [[ -n "$SHOW_RFC" ]]; then
rfc_order=""
while read -d " " cipher; do
rfc_ciph="$(openssl2rfc "$cipher")"
if [[ -n "$rfc_ciph" ]]; then
rfc_order+="$rfc_ciph "
else
rfc_order+="$cipher "
fi
done <<< "$order"
order="$rfc_order"
fi
out_row_aligned_max_width "$order" " " $TERM_WIDTH out
outln
[[ -n $order ]] && fileout "order_spdy_$p" "INFO" "Default cipher order for SPDY protocol $p: $order"
@@ -6751,7 +6811,7 @@ run_pfs() {
for (( i=0; i < nr_supported_ciphers; i++ )); do
! "${ciphers_found[i]}" && ! "$SHOW_EACH_C" && continue
if "${ciphers_found[i]}"; then
if [[ "${ciph[i]}" != "-" ]]; then
if ( [[ -z "$SHOW_RFC" ]] && [[ "${ciph[i]}" != "-" ]] ) || [[ "${rfc_ciph[i]}" == "-" ]]; then
pfs_cipher="${ciph[i]}"
else
pfs_cipher="${rfc_ciph[i]}"
@@ -10329,7 +10389,11 @@ run_beast(){
[[ "$cbc_cipher" == "${ciph[i]}" ]] && break
done
ciphers_found[i]=true
detected_cbc_ciphers+=" ${ciph[i]}"
if [[ -z "$SHOW_RFC" ]] || [[ "${rfc_ciph[i]}" == "-" ]]; then
detected_cbc_ciphers+="${ciph[i]} "
else
detected_cbc_ciphers+="${rfc_ciph[i]} "
fi
vuln_beast=true
if "$WIDE" && ( [[ ${kx[i]} == "Kx=ECDH" ]] || [[ ${kx[i]} == "Kx=DH" ]] || [[ ${kx[i]} == "Kx=EDH" ]] ); then
dhlen=$(read_dhbits_from_file "$TMPFILE" quiet)
@@ -10356,7 +10420,7 @@ run_beast(){
[[ "$cbc_cipher" == "${rfc_ciph[i]}" ]] && break
done
ciphers_found[i]=true
if [[ "${ciph[i]}" != "-" ]]; then
if ( [[ -z "$SHOW_RFC" ]] && [[ "${ciph[i]}" != "-" ]] ) || [[ "${rfc_ciph[i]}" == "-" ]]; then
detected_cbc_ciphers+=" ${ciph[i]}"
else
detected_cbc_ciphers+=" ${rfc_ciph[i]}"
@@ -10732,7 +10796,13 @@ run_rc4() {
fi
outln "${sigalg[i]}"
fi
"${ciphers_found[i]}" && rc4_detected+="${ciph[i]} "
if "${ciphers_found[i]}"; then
if ( [[ -z "$SHOW_RFC" ]] && [[ "${ciph[i]}" != "-" ]] ) || [[ "${rfc_ciph[i]}" == "-" ]]; then
rc4_detected+="${ciph[i]} "
else
rc4_detected+="${rfc_ciph[i]} "
fi
fi
done
! "$WIDE" && out_row_aligned_max_width "$rc4_detected" " " $TERM_WIDTH pr_svrty_high
outln
@@ -10819,6 +10889,7 @@ get_install_dir() {
if [[ ! -r "$CIPHERS_BY_STRENGTH_FILE" ]] ; then
unset ADD_RFC_STR
unset SHOW_RFC
debugme echo "$CIPHERS_BY_STRENGTH_FILE"
pr_warningln "\nATTENTION: No cipher mapping file found!"
outln "Please note from 2.9dev on $PROG_NAME needs files in \"\$TESTSSL_INSTALL_DIR/etc/\" to function correctly."
@@ -11074,7 +11145,8 @@ output options (can also be preset via environment variables):
--quiet don't output the banner. By doing this you acknowledge usage terms normally appearing in the banner
--wide wide output for tests like RC4, BEAST. PFS also with hexcode, kx, strength, RFC name
--show-each for wide outputs: display all ciphers tested -- not only succeeded ones
--mapping <no-rfc> don't display the RFC Cipher Suite Name
--mapping <rfc|no-rfc> (rfc: display the RFC Cipher Suite name instead of the OpenSSL name;
no-rfc: don't display the RFC Cipher Suite Name)
--color <0|1|2> 0: no escape or other codes, 1: b/w escape codes, 2: color (default)
--colorblind swap green and blue in the output
--debug <0-6> 1: screen output normal but keeps debug output in /tmp/. 2-6: see "grep -A 5 '^DEBUG=' testssl.sh"
@@ -12503,8 +12575,9 @@ parse_cmd_line() {
cipher_mapping=$(parse_opt_equal_sign "$1" "$2")
[[ $? -eq 0 ]] && shift
case "$cipher_mapping" in
no-rfc) unset ADD_RFC_STR;;
*) pr_magentaln "\nmapping can only be \"no-rfc\""
no-rfc) unset ADD_RFC_STR; unset SHOW_RFC;;
rfc) SHOW_RFC="rfc" ;;
*) pr_magentaln "\nmapping can only be \"rfc\" or \"no-rfc\""
help 1 ;;
esac
;;