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Add TLSv1.3 support to run_cipher_per_proto()

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This commit is contained in:
David Cooper 2017-10-11 11:47:00 -04:00
parent 22fd594334
commit cbd50043ef
1 changed files with 38 additions and 24 deletions
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62
testssl.sh
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@ -3243,7 +3243,7 @@ run_cipher_per_proto() {
fi fi
outln outln
neat_header neat_header
echo -e " -ssl2 22 SSLv2\n -ssl3 00 SSLv3\n -tls1 01 TLS 1\n -tls1_1 02 TLS 1.1\n -tls1_2 03 TLS 1.2" | while read proto proto_hex proto_text; do echo -e " -ssl2 22 SSLv2\n -ssl3 00 SSLv3\n -tls1 01 TLS 1\n -tls1_1 02 TLS 1.1\n -tls1_2 03 TLS 1.2\n -tls1_3 04 TLS 1.3" | while read proto proto_hex proto_text; do
pr_underline "$(printf "%s" "$proto_text")" pr_underline "$(printf "%s" "$proto_text")"
out " "; # for local problem if it happens out " "; # for local problem if it happens
if ! "$using_sockets" && ! locally_supported "$proto"; then if ! "$using_sockets" && ! locally_supported "$proto"; then
@ -3306,24 +3306,20 @@ run_cipher_per_proto() {
ossl_ciphers_proto="-tls1" ossl_ciphers_proto="-tls1"
fi fi
while read hexc n ciph[nr_ciphers] sslvers kx[nr_ciphers] auth enc[nr_ciphers] mac export2[nr_ciphers]; do while read hexc n ciph[nr_ciphers] sslvers kx[nr_ciphers] auth enc[nr_ciphers] mac export2[nr_ciphers]; do
if [[ "$proto_text" == "TLS 1.2" ]] || \ if [[ "$proto_text" == "TLS 1.3" ]]; then
( [[ "${ciph[nr_ciphers]}" != *"-SHA256" ]] && [[ "${ciph[nr_ciphers]}" != *"-SHA384" ]] && \ [[ "${ciph[nr_ciphers]}" == TLS13* ]] || continue
[[ "${ciph[nr_ciphers]}" != *"-CCM" ]] && [[ "${ciph[nr_ciphers]}" != *"-CCM8" ]] && \ elif [[ "$proto_text" == "TLS 1.2" ]]; then
[[ ! "${ciph[nr_ciphers]}" =~ -CHACHA20-POLY1305 ]] ); then [[ "${ciph[nr_ciphers]}" != TLS13* ]] || continue
ciphers_found[nr_ciphers]=false elif [[ "${ciph[nr_ciphers]}" == *"-SHA256" ]] || [[ "${ciph[nr_ciphers]}" == *"-SHA384" ]] || \
if [[ ${#hexc} -eq 9 ]]; then [[ "${ciph[nr_ciphers]}" == *"-CCM" ]] || [[ "${ciph[nr_ciphers]}" == *"-CCM8" ]] || \
if [[ "${hexc:2:2}" == "00" ]]; then [[ "${ciph[nr_ciphers]}" =~ CHACHA20-POLY1305 ]]; then
normalized_hexcode[nr_ciphers]="x${hexc:7:2}" continue
else
normalized_hexcode[nr_ciphers]="x${hexc:2:2}${hexc:7:2}"
fi
else
normalized_hexcode[nr_ciphers]="$(tolower "x${hexc:2:2}${hexc:7:2}${hexc:12:2}")"
fi
sigalg[nr_ciphers]=""
ossl_supported[nr_ciphers]=true
nr_ciphers+=1
fi fi
ciphers_found[nr_ciphers]=false
normalized_hexcode[nr_ciphers]="$(normalize_ciphercode "$hexc")"
sigalg[nr_ciphers]=""
ossl_supported[nr_ciphers]=true
nr_ciphers+=1
done < <($OPENSSL ciphers $ossl_ciphers_proto -V 'ALL:COMPLEMENTOFALL:@STRENGTH' 2>>$ERRFILE) done < <($OPENSSL ciphers $ossl_ciphers_proto -V 'ALL:COMPLEMENTOFALL:@STRENGTH' 2>>$ERRFILE)
fi fi
@ -3399,12 +3395,13 @@ run_cipher_per_proto() {
done done
i=${index[i]} i=${index[i]}
ciphers_found[i]=true ciphers_found[i]=true
[[ "$proto_text" == "TLS 1.3" ]] && kx[i]="$(read_dhtype_from_file $TMPFILE)"
if [[ ${kx[i]} == "Kx=ECDH" ]] || [[ ${kx[i]} == "Kx=DH" ]] || [[ ${kx[i]} == "Kx=EDH" ]]; then if [[ ${kx[i]} == "Kx=ECDH" ]] || [[ ${kx[i]} == "Kx=DH" ]] || [[ ${kx[i]} == "Kx=EDH" ]]; then
dhlen=$(read_dhbits_from_file "$TMPFILE" quiet) dhlen=$(read_dhbits_from_file "$TMPFILE" quiet)
kx[i]="${kx[i]} $dhlen" kx[i]="${kx[i]} $dhlen"
fi fi
"$SHOW_SIGALGO" && grep -q "\-\-\-\-\-BEGIN CERTIFICATE\-\-\-\-\-" $TMPFILE && \ "$SHOW_SIGALGO" && grep -q "\-\-\-\-\-BEGIN CERTIFICATE\-\-\-\-\-" $TMPFILE && \
sigalg[i]="$(read_sigalg_from_file "$HOSTCERT")" sigalg[i]="$(read_sigalg_from_file "$TMPFILE")"
fi fi
fi fi
fi fi
@ -3461,10 +3458,7 @@ run_cipher_per_proto() {
done done
i=${index[i]} i=${index[i]}
ciphers_found[i]=true ciphers_found[i]=true
if [[ "$proto_text" == "TLS 1.3" ]]; then [[ "$proto_text" == "TLS 1.3" ]] && kx[i]="$(read_dhtype_from_file "$TEMPDIR/$NODEIP.parse_tls_serverhello.txt")"
temp=$(awk -F': ' '/^Server Temp Key/ { print $2 }' "$TEMPDIR/$NODEIP.parse_tls_serverhello.txt") # extract line
kx[i]="Kx=$(awk -F',' '{ print $1 }' <<< $temp)"
fi
if [[ ${kx[i]} == "Kx=ECDH" ]] || [[ ${kx[i]} == "Kx=DH" ]] || [[ ${kx[i]} == "Kx=EDH" ]]; then if [[ ${kx[i]} == "Kx=ECDH" ]] || [[ ${kx[i]} == "Kx=DH" ]] || [[ ${kx[i]} == "Kx=EDH" ]]; then
dhlen=$(read_dhbits_from_file "$TEMPDIR/$NODEIP.parse_tls_serverhello.txt" quiet) dhlen=$(read_dhbits_from_file "$TEMPDIR/$NODEIP.parse_tls_serverhello.txt" quiet)
kx[i]="${kx[i]} $dhlen" kx[i]="${kx[i]} $dhlen"
@ -4553,6 +4547,18 @@ pr_cipher_quality() {
esac esac
} }
# arg1: file with input for grepping the type of ephemeral DH key (DH ECDH)
read_dhtype_from_file() {
local temp kx
temp=$(awk -F': ' '/^Server Temp Key/ { print $2 }' "$1") # extract line
kx="Kx=${temp%%,*}"
[[ "$kx" == "Kx=X25519" ]] && kx="Kx=ECDH"
[[ "$kx" == "Kx=X448" ]] && kx="Kx=ECDH"
tm_out "$kx"
return 0
}
# arg1: certificate file # arg1: certificate file
read_sigalg_from_file() { read_sigalg_from_file() {
$OPENSSL x509 -noout -text -in "$1" | awk -F':' '/Signature Algorithm/ { print $2; exit; }' $OPENSSL x509 -noout -text -in "$1" | awk -F':' '/Signature Algorithm/ { print $2; exit; }'
@ -9691,7 +9697,15 @@ tls_sockets() {
if [[ $hello_done -eq 1 ]]; then if [[ $hello_done -eq 1 ]]; then
check_tls_serverhellodone "$tls_hello_ascii" "$process_full" check_tls_serverhellodone "$tls_hello_ascii" "$process_full"
hello_done=$? hello_done=$?
[[ "$hello_done" -eq 3 ]] && process_full="ephemeralkey" if [[ "$hello_done" -eq 3 ]]; then
# The following three lines are temporary until the code
# to decrypt TLSv1.3 responses has been added, at which point
# parse_tls_serverhello() will be called with process_full="all"
# and parse_tls_serverhello() will populate these files.
process_full="ephemeralkey"
[[ -e "$HOSTCERT" ]] && rm "$HOSTCERT"
[[ -e "$TEMPDIR/intermediatecerts.pem" ]] && rm "$TEMPDIR/intermediatecerts.pem"
fi
fi fi
done done