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testssl.sh
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Merge branch '2.9dev' into run_crime_sockets

This commit is contained in:
David Cooper 2017-01-09 09:06:10 -05:00
parent 95c75f1792 33ca94f6e8
commit 92d1daa976
1 changed files with 71 additions and 27 deletions
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testssl.sh
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@ -148,7 +148,7 @@ BUGS=${BUGS:-""} # -bugs option from openssl, needed for
DEBUG=${DEBUG:-0} # 1: normal putput the files in /tmp/ are kept for further debugging purposes
# 2: list more what's going on , also lists some errors of connections
# 3: slight hexdumps + other info,
# 4: display bytes sent via sockets
# 4: display bytes sent via sockets
# 5: display bytes received via sockets
# 6: whole 9 yards
FAST=${FAST:-false} # preference: show only first cipher, run_allciphers with openssl instead of sockets
@ -159,7 +159,7 @@ CSVFILE=${CSVFILE:-""} # csvfile if used
APPEND=${APPEND:-false} # append to csv/json file instead of overwriting it
GIVE_HINTS=false # give an addtional info to findings
HAS_IPv6=${HAS_IPv6:-false} # if you have OpenSSL with IPv6 support AND IPv6 networking set it to yes
UNBRACKTD_IPV6=${UNBRACKTD_IPV6:-false} # some versions of OpenSSL (like Gentoo) don't support [bracketed] IPv6 addresses
UNBRACKTD_IPV6=${UNBRACKTD_IPV6:-false} # some versions of OpenSSL (like Gentoo) don't support [bracketed] IPv6 addresses
SERVER_SIZE_LIMIT_BUG=false # Some servers have either a ClientHello total size limit or cipher limit of ~128 ciphers (e.g. old ASAs)
# tuning vars, can not be set by a cmd line switch
@ -556,7 +556,7 @@ declare TLS_CIPHER_OSSL_SUPPORTED=()
###### output functions ######
# a little bit of sanitzing with bash internal search&replace -- otherwise printf will hiccup at '%' and '--' does the rest.
out(){
out(){
# if [[ "$BASH_VERSINFO" -eq 4 ]]; then
printf -- "%b" "${1//%/%%}"
# else
@ -590,10 +590,10 @@ pr_greyln() { pr_grey "$1"; outln; }
pr_done_good() { [[ "$COLOR" -eq 2 ]] && ( "$COLORBLIND" && out "\033[0;34m$1" || out "\033[0;32m$1" ) || out "$1"; pr_off; } # litegreen (liteblue), This is good
pr_done_goodln() { pr_done_good "$1"; outln; }
pr_done_best() { [[ "$COLOR" -eq 2 ]] && ( "$COLORBLIND" && out "\033[1;34m$1" || out "\033[1;32m$1" ) || out "$1"; pr_off; } # green (blue), This is the best
pr_done_best() { [[ "$COLOR" -eq 2 ]] && ( "$COLORBLIND" && out "\033[1;34m$1" || out "\033[1;32m$1" ) || out "$1"; pr_off; } # green (blue), This is the best
pr_done_bestln() { pr_done_best "$1"; outln; }
pr_svrty_minor() { [[ "$COLOR" -eq 2 ]] && out "\033[1;33m$1" || out "$1"; pr_off; } # yellow brown | academic or minor problem
pr_svrty_minor() { [[ "$COLOR" -eq 2 ]] && out "\033[1;33m$1" || out "$1"; pr_off; } # yellow brown | academic or minor problem
pr_svrty_minorln() { pr_svrty_minor "$1"; outln; }
pr_svrty_medium() { [[ "$COLOR" -eq 2 ]] && out "\033[0;33m$1" || out "$1"; pr_off; } # brown | it is not a bad problem but you shouldn't do this
pr_svrty_mediumln() { pr_svrty_medium "$1"; outln; }
@ -1082,7 +1082,7 @@ string_to_asciihex() {
[[ -n "$string" ]] && output+="$(printf "%02x" "'${string:eos:1}")"
out "$output"
return 0
}
###### check code starts here ######
@ -6097,11 +6097,12 @@ run_server_defaults() {
done
determine_tls_extensions
if [[ $? -eq 0 ]] && [[ "$OPTIMAL_PROTO" != "-ssl2" ]]; then
cp "$TEMPDIR/$NODEIP.determine_tls_extensions.txt" $TMPFILE
>$ERRFILE
cp "$TEMPDIR/$NODEIP.determine_tls_extensions.txt" $TMPFILE
>$ERRFILE
[[ -z "$sessticket_str" ]] && sessticket_str=$(grep -aw "session ticket" $TMPFILE | grep -a lifetime)
[[ -z "$sessticket_str" ]] && sessticket_str=$(grep -aw "session ticket" $TMPFILE | grep -a lifetime)
fi
outln
pr_headlineln " Testing server defaults (Server Hello) "
@ -6221,7 +6222,7 @@ run_pfs() {
done < <($OPENSSL ciphers -V "$pfs_cipher_list" 2>$ERRFILE)
fi
export=""
if "$using_sockets"; then
tls_sockets "03" "${pfs_hex_cipher_list:2}"
sclient_success=$?
@ -7063,6 +7064,7 @@ parse_sslv2_serverhello() {
"$parse_complete" && echo "======================================" > $TMPFILE
v2_hello_ascii=$(hexdump -v -e '16/1 "%02X"' $1)
v2_hello_ascii="${v2_hello_ascii%%[!0-9A-F]*}"
[[ "$DEBUG" -ge 5 ]] && echo "$v2_hello_ascii"
if [[ -z "$v2_hello_ascii" ]]; then
ret=0 # 1 line without any blanks: no server hello received
@ -7094,6 +7096,10 @@ parse_sslv2_serverhello() {
echo "SSLv2 certificate length: 0x$v2_hello_cert_length"
echo "SSLv2 cipher spec length: 0x$v2_hello_cipherspec_length"
fi
if "$parse_complete" && [[ 2*$(hex2dec "$v2_hello_length") -ne ${#v2_hello_ascii}-4 ]]; then
ret=7
fi
fi
"$parse_complete" || return $ret
@ -7101,11 +7107,15 @@ parse_sslv2_serverhello() {
rm -f $HOSTCERT $TEMPDIR/intermediatecerts.pem
if [[ $ret -eq 3 ]]; then
certificate_len=2*$(hex2dec "$v2_hello_cert_length")
if [[ "$v2_cert_type" == "01" ]] && [[ "$v2_hello_cert_length" != "00" ]]; then
tmp_der_certfile=$(mktemp $TEMPDIR/der_cert.XXXXXX) || return $ret
asciihex_to_binary_file "${v2_hello_ascii:26:certificate_len}" "$tmp_der_certfile"
$OPENSSL x509 -inform DER -in $tmp_der_certfile -outform PEM -out $HOSTCERT
$OPENSSL x509 -inform DER -in $tmp_der_certfile -outform PEM -out $HOSTCERT 2>$ERRFILE
if [[ $? -ne 0 ]]; then
debugme echo "Malformed certificate in ServerHello."
return 1
fi
rm $tmp_der_certfile
get_pub_key_size
echo "======================================" >> $TMPFILE
@ -7222,7 +7232,7 @@ parse_tls_serverhello() {
local process_full="$2"
local tls_handshake_ascii="" tls_alert_ascii=""
local -i tls_hello_ascii_len tls_handshake_ascii_len tls_alert_ascii_len msg_len
local tls_serverhello_ascii="" tls_certificate_ascii=""
local tls_serverhello_ascii="" tls_certificate_ascii=""
local tls_serverkeyexchange_ascii="" tls_certificate_status_ascii=""
local -i tls_serverhello_ascii_len=0 tls_certificate_ascii_len=0
local -i tls_serverkeyexchange_ascii_len=0 tls_certificate_status_ascii_len=0
@ -8029,7 +8039,7 @@ parse_tls_serverhello() {
len1="82$(printf "%04x" $((dh_param_len/2)))"
fi
dh_param="30${len1}${dh_p}${dh_g}"
# Make a SEQUENCE of the paramters SEQUENCE and the OID
dh_param_len=22+${#dh_param}
if [[ $dh_param_len -lt 256 ]]; then
@ -8069,7 +8079,7 @@ parse_tls_serverhello() {
[[ -n "$key_bitstring" ]] && echo "$key_bitstring" >> $TMPFILE
# Check to see whether the ephemeral public key uses one of the groups from
# RFC 7919 for parameters
# RFC 7919 for parameters
case $dh_bits in
2048) named_curve=256; named_curve_str=" ffdhe2048," ;;
3072) named_curve=257; named_curve_str=" ffdhe3072," ;;
@ -8100,6 +8110,13 @@ sslv2_sockets() {
local ret
local client_hello cipher_suites len_client_hello
local len_ciph_suites_byte len_ciph_suites
local server_hello sock_reply_file2
local -i response_len server_hello_len
local parse_complete=false
if [[ "$2" == "true" ]]; then
parse_complete=true
fi
if [[ -n "$1" ]]; then
cipher_suites="$1"
@ -8140,13 +8157,31 @@ sslv2_sockets() {
socksend_sslv2_clienthello "$client_hello"
sockread_serverhello 32768
if "$parse_complete"; then
server_hello=$(hexdump -v -e '16/1 "%02X"' "$SOCK_REPLY_FILE")
server_hello_len=2+$(hex2dec "${server_hello:1:3}")
response_len=$(wc -c "$SOCK_REPLY_FILE" | awk '{ print $1 }')
for (( 1; response_len < server_hello_len; 1 )); do
sock_reply_file2=$(mktemp $TEMPDIR/ddreply.XXXXXX) || return 7
mv "$SOCK_REPLY_FILE" "$sock_reply_file2"
debugme echo "requesting more server hello data..."
socksend "" $USLEEP_SND
sockread_serverhello 32768
[[ ! -s "$SOCK_REPLY_FILE" ]] && break
cat "$SOCK_REPLY_FILE" >> "$sock_reply_file2"
mv "$sock_reply_file2" "$SOCK_REPLY_FILE"
response_len=$(wc -c "$SOCK_REPLY_FILE" | awk '{ print $1 }')
done
fi
debugme outln "reading server hello... "
if [[ "$DEBUG" -ge 4 ]]; then
hexdump -C "$SOCK_REPLY_FILE" | head -6
outln
fi
parse_sslv2_serverhello "$SOCK_REPLY_FILE" "$2"
parse_sslv2_serverhello "$SOCK_REPLY_FILE" "$parse_complete"
ret=$?
close_socket
@ -8268,7 +8303,7 @@ socksend_tls_clienthello() {
00, 01, 00, 02, 00, 03, 00, 0f, 00, 10, 00, 11"
# Supported Point Formats Extension
extension_supported_point_formats="
00, 0b, # Type: Supported Point Formats , see RFC 4492
00, 0b, # Type: Supported Point Formats , see RFC 4492
00, 02, # len
01, 00"
fi
@ -9675,7 +9710,7 @@ run_rc4() {
ciphers_found[nr_ciphers]=false
sigalg[nr_ciphers]=""
ossl_supported[nr_ciphers]="${TLS_CIPHER_OSSL_SUPPORTED[i]}"
if "$using_sockets" && "$WIDE" && ! "$HAS_DH_BITS" &&
if "$using_sockets" && "$WIDE" && ! "$HAS_DH_BITS" &&
( [[ ${kx[nr_ciphers]} == "Kx=ECDH" ]] || [[ ${kx[nr_ciphers]} == "Kx=DH" ]] || [[ ${kx[nr_ciphers]} == "Kx=EDH" ]] ); then
ossl_supported[nr_ciphers]=false
fi
@ -9930,8 +9965,18 @@ get_install_dir() {
[[ -r "$TESTSSL_INSTALL_DIR/cipher-mapping.txt" ]] && CIPHERS_BY_STRENGTH_FILE="$TESTSSL_INSTALL_DIR/cipher-mapping.txt"
fi
# still no cipher mapping file (and realpath is not present):
if [[ ! -r "$CIPHERS_BY_STRENGTH_FILE" ]] && which readlink &>/dev/null ; then
readlink -f ls &>/dev/null && \
TESTSSL_INSTALL_DIR=$(dirname $(readlink -f ${BASH_SOURCE[0]})) || \
TESTSSL_INSTALL_DIR=$(dirname $(readlink ${BASH_SOURCE[0]}))
# not sure whether Darwin has -f
CIPHERS_BY_STRENGTH_FILE="$TESTSSL_INSTALL_DIR/etc/cipher-mapping.txt"
[[ -r "$TESTSSL_INSTALL_DIR/cipher-mapping.txt" ]] && CIPHERS_BY_STRENGTH_FILE="$TESTSSL_INSTALL_DIR/cipher-mapping.txt"
fi
if [[ ! -r "$CIPHERS_BY_STRENGTH_FILE" ]] ; then
unset ADD_RFC_STR
unset ADD_RFC_STR
debugme echo "$CIPHERS_BY_STRENGTH_FILE"
pr_warningln "\nATTENTION: No cipher mapping file found!"
outln "Please note from 2.9dev on $PROG_NAME needs files in \"\$TESTSSL_INSTALL_DIR/etc/\" to function correctly."
@ -10079,9 +10124,9 @@ check4openssl_oldfarts() {
pr_warningln " Your \"$OPENSSL\" is way too old (<version 1.0) !"
case $SYSTEM in
*BSD|Darwin)
outln " Please use binary provided in \$INSTALLDIR/bin/ or from ports/brew or compile from github.com/PeterMosmans/openssl"
outln " Please use binary provided in \$INSTALLDIR/bin/ or from ports/brew or compile from github.com/PeterMosmans/openssl"
fileout "too_old_openssl" "WARN" "Your $OPENSSL $OSSL_VER version is way too old. Please use binary provided in \$INSTALLDIR/bin/ or from ports/brew or compile from github.com/PeterMosmans/openssl ." ;;
*) outln " Update openssl binaries or compile from github.com/PeterMosmans/openssl"
*) outln " Update openssl binaries or compile from github.com/PeterMosmans/openssl"
fileout "too_old_openssl" "WARN" "Update openssl binaries or compile from github.com/PeterMosmans/openssl .";;
esac
ignore_no_or_lame " Type \"yes\" to accept false negatives or positives" "yes"
@ -10110,8 +10155,8 @@ help() {
"$PROG_NAME URI", where URI is:
URI host|host:port|URL|URL:port port 443 is default, URL can only contain HTTPS protocol)
URI host|host:port|URL|URL:port port 443 is default, URL can only contain HTTPS protocol)
"$PROG_NAME <options>", where <options> is:
@ -10126,7 +10171,7 @@ help() {
"$PROG_NAME <options> URI", where <options> is:
-t, --starttls <protocol> does a default run against a STARTTLS enabled <protocol,
-t, --starttls <protocol> does a default run against a STARTTLS enabled <protocol,
protocol is <ftp|smtp|pop3|imap|xmpp|telnet|ldap|postgres> (latter three require supplied openssl)
--xmpphost <to_domain> for STARTTLS enabled XMPP it supplies the XML stream to-'' domain -- sometimes needed
--mx <domain/host> tests MX records from high to low priority (STARTTLS, port 25)
@ -10315,7 +10360,7 @@ EOF
ossl_ciph="$(grep -w "$hexc" <<< "$ossl_supported_tls" | awk '{ print $3 }')"
if [[ -n "$ossl_ciph" ]]; then
TLS_CIPHER_OSSL_SUPPORTED[TLS_NR_CIPHERS]=true
[[ "$ossl_ciph" != "${TLS_CIPHER_OSSL_NAME[TLS_NR_CIPHERS]}" ]] && TLS_CIPHER_OSSL_NAME[TLS_NR_CIPHERS]="$ossl_ciph"
[[ "$ossl_ciph" != "${TLS_CIPHER_OSSL_NAME[TLS_NR_CIPHERS]}" ]] && TLS_CIPHER_OSSL_NAME[TLS_NR_CIPHERS]="$ossl_ciph"
fi
fi
elif [[ $OSSL_VER_MAJOR -lt 1 ]]; then
@ -11742,4 +11787,3 @@ else
fi
exit $?