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Merge pull request #512 from dcooper16/run_allciphers_sockets
Use tls_sockets() in run_allciphers()
This commit is contained in:
Dirk Wetter
GitHub
commit
37933d6fa1
224
testssl.sh
224
testssl.sh
@ -2026,33 +2026,69 @@ test_just_one(){
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# test for all ciphers locally configured (w/o distinguishing whether they are good or bad)
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run_allciphers() {
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local tmpfile
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local -i nr_ciphers=0
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local n auth mac export
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local -a hexcode ciph sslvers kx enc export2
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local -i nr_ciphers=0 ret
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local n auth mac export hexc sslv2_ciphers=""
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local -a normalized_hexcode hexcode ciph sslvers kx enc export2
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local -i i j parent child end_of_bundle round_num bundle_size num_bundles mod_check
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local -a ciphers_found
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local dhlen
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local available
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local ciphers_to_test
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local sslv2_supported=false
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local has_dh_bits="$HAS_DH_BITS"
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local using_sockets=true
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# get a list of all the cipher suites to test (only need the hexcode, ciph, sslvers, kx, enc, and export values)
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while read hexcode[nr_ciphers] n ciph[nr_ciphers] sslvers[nr_ciphers] kx[nr_ciphers] auth enc[nr_ciphers] mac export2[nr_ciphers]; do
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nr_ciphers=$nr_ciphers+1
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done < <($OPENSSL ciphers -V 'ALL:COMPLEMENTOFALL:@STRENGTH' 2>>$ERRFILE)
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if "$SSL_NATIVE" || [[ -n "$STARTTLS" ]]; then
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using_sockets=false
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fi
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if "$using_sockets"; then
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# get a list of all the cipher suites to test (only need the hexcode, ciph, kx, enc, and export values)
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for (( i=0; i < TLS_NR_CIPHERS; i++ )); do
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hexc=$(echo "${TLS_CIPHER_HEXCODE[i]}" | tr 'A-Z' 'a-z')
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ciph[i]="${TLS_CIPHER_OSSL_NAME[i]}"
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sslvers[i]="${TLS_CIPHER_SSLVERS[i]}"
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kx[i]="${TLS_CIPHER_KX[i]}"
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enc[i]="${TLS_CIPHER_ENC[i]}"
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export2[i]="${TLS_CIPHER_EXPORT[i]}"
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if [[ ${#hexc} -eq 9 ]]; then
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hexcode[i]="${hexc:2:2},${hexc:7:2}"
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if [[ "${hexc:2:2}" == "00" ]]; then
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normalized_hexcode[i]="x${hexc:7:2}"
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else
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normalized_hexcode[i]="x${hexc:2:2}${hexc:7:2}"
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fi
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else
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hexcode[i]="${hexc:2:2},${hexc:7:2},${hexc:12:2}"
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normalized_hexcode[i]="x${hexc:2:2}${hexc:7:2}${hexc:12:2}"
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sslv2_ciphers="$sslv2_ciphers, ${hexcode[i]}"
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fi
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done
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nr_ciphers=$TLS_NR_CIPHERS
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sslv2_sockets "${sslv2_ciphers:2}" "true"
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if [[ $? -eq 3 ]] && [[ "$V2_HELLO_CIPHERSPEC_LENGTH" -ne 0 ]]; then
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sslv2_supported=true
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fi
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else
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# get a list of all the cipher suites to test (only need the hexcode, ciph, sslvers, kx, enc, and export values)
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while read hexcode[nr_ciphers] n ciph[nr_ciphers] sslvers[nr_ciphers] kx[nr_ciphers] auth enc[nr_ciphers] mac export2[nr_ciphers]; do
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nr_ciphers=$nr_ciphers+1
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done < <($OPENSSL ciphers -V 'ALL:COMPLEMENTOFALL:@STRENGTH' 2>>$ERRFILE)
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if "$HAS_SSL2"; then
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$OPENSSL s_client $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY -ssl2 >$TMPFILE 2>$ERRFILE </dev/null
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sclient_connect_successful "$?" "$TMPFILE"
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[[ "$?" -eq 0 ]] && sslv2_supported=true
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fi
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fi
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outln
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pr_headlineln " Testing all $OPENSSL_NR_CIPHERS locally available ciphers against the server, ordered by encryption strength "
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"$HAS_DH_BITS" || pr_warningln " (Your $OPENSSL cannot show DH/ECDH bits)"
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pr_headlineln " Testing all $nr_ciphers locally available ciphers against the server, ordered by encryption strength "
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"$using_sockets" || "$HAS_DH_BITS" || pr_warningln " (Your $OPENSSL cannot show DH/ECDH bits)"
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outln
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neat_header
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if "$HAS_SSL2"; then
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$OPENSSL s_client $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY -ssl2 >$TMPFILE 2>$ERRFILE </dev/null
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sclient_connect_successful "$?" "$TMPFILE"
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[[ "$?" -eq 0 ]] && sslv2_supported=true
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fi
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# Split ciphers into bundles of size 4**n, starting with an "n" that
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# splits the ciphers into 4 bundles, and then reducing "n" by one in each
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# round. Only test a bundle of 4**n ciphers against the server if it was
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@ -2075,71 +2111,103 @@ run_allciphers() {
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done
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for (( bundle_size/=4; bundle_size>=1; bundle_size/=4 )); do
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# Note that since the number of ciphers isn't a power of 4, the number
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# of bundles may be may be less than 4**(round_num+1), and the final
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# bundle may have fewer than bundle_size ciphers.
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num_bundles=$nr_ciphers/$bundle_size
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mod_check=$nr_ciphers%$bundle_size
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[[ $mod_check -ne 0 ]] && num_bundles=$num_bundles+1
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for ((i=0;i<num_bundles;i++)); do
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# parent=index of bundle from previous round that includes this bundle of ciphers
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parent=4**$round_num+$i/4
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# child=index for this bundle of ciphers
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child=4*4**$round_num+$i
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if ${ciphers_found[parent]}; then
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ciphers_to_test=""
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end_of_bundle=$i*$bundle_size+$bundle_size
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[[ $end_of_bundle -gt $nr_ciphers ]] && end_of_bundle=$nr_ciphers
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for ((j=i*bundle_size;j<end_of_bundle;j++)); do
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[[ "${sslvers[j]}" != "SSLv2" ]] && ciphers_to_test="${ciphers_to_test}:${ciph[j]}"
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done
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ciphers_found[child]=false
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if [[ -n "${ciphers_to_test:1}" ]]; then
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$OPENSSL s_client -cipher "${ciphers_to_test:1}" $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $SNI >$TMPFILE 2>$ERRFILE </dev/null
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sclient_connect_successful "$?" "$TMPFILE"
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[[ "$?" -eq 0 ]] && ciphers_found[child]=true
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fi
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else
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# No need to test, since test of parent demonstrated none of these ciphers work.
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ciphers_found[child]=false
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fi
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# Note that since the number of ciphers isn't a power of 4, the number
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# of bundles may be may be less than 4**(round_num+1), and the final
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# bundle may have fewer than bundle_size ciphers.
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num_bundles=$nr_ciphers/$bundle_size
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mod_check=$nr_ciphers%$bundle_size
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[[ $mod_check -ne 0 ]] && num_bundles=$num_bundles+1
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for (( i=0; i<num_bundles; i++ )); do
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# parent=index of bundle from previous round that includes this bundle of ciphers
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parent=4**$round_num+$i/4
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# child=index for this bundle of ciphers
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child=4*4**$round_num+$i
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if ${ciphers_found[parent]}; then
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ciphers_to_test=""
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end_of_bundle=$i*$bundle_size+$bundle_size
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[[ $end_of_bundle -gt $nr_ciphers ]] && end_of_bundle=$nr_ciphers
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if "$using_sockets"; then
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for (( j=i*bundle_size; j<end_of_bundle; j++ )); do
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# Exclude the SSLv2 ciphers
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hexc="${hexcode[j]}"
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[[ ${#hexc} -eq 5 ]] && ciphers_to_test="${ciphers_to_test}, ${hexcode[j]}"
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done
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ciphers_found[child]=false
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if [[ -n "${ciphers_to_test:2}" ]]; then
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if [[ $bundle_size -eq 1 ]]; then
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tls_sockets "03" "${ciphers_to_test:2}, 00,ff" "ephemeralkey"
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else
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tls_sockets "03" "${ciphers_to_test:2}, 00,ff"
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fi
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ret=$?
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if [[ $ret -eq 0 ]] || [[ $ret -eq 2 ]]; then
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ciphers_found[child]=true
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cp "$TEMPDIR/$NODEIP.parse_tls_serverhello.txt" $TMPFILE
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fi
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fi
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else
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for (( j=i*bundle_size; j<end_of_bundle; j++ )); do
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[[ "${sslvers[j]}" != "SSLv2" ]] && ciphers_to_test="${ciphers_to_test}:${ciph[j]}"
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done
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ciphers_found[child]=false
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if [[ -n "${ciphers_to_test:1}" ]]; then
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$OPENSSL s_client -cipher "${ciphers_to_test:1}" $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $SNI >$TMPFILE 2>$ERRFILE </dev/null
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sclient_connect_successful "$?" "$TMPFILE"
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[[ "$?" -eq 0 ]] && ciphers_found[child]=true
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fi
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fi
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else
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# No need to test, since test of parent demonstrated none of these ciphers work.
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ciphers_found[child]=false
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fi
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if $sslv2_supported && [[ $bundle_size -eq 1 ]] && [[ "${sslvers[i]}" == "SSLv2" ]]; then
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$OPENSSL s_client -cipher "${ciph[i]}" $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY -ssl2 >$TMPFILE 2>$ERRFILE </dev/null
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sclient_connect_successful "$?" "$TMPFILE"
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[[ "$?" -eq 0 ]] && ciphers_found[child]=true
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fi
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# If this is a "leaf" of the test tree, then print out the results.
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if [[ $bundle_size -eq 1 ]] && ( ${ciphers_found[child]} || "$SHOW_EACH_C"); then
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export=${export2[i]}
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normalize_ciphercode "${hexcode[i]}"
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if [[ ${kx[i]} == "Kx=ECDH" ]] || [[ ${kx[i]} == "Kx=DH" ]] || [[ ${kx[i]} == "Kx=EDH" ]]; then
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if ${ciphers_found[child]}; then
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dhlen=$(read_dhbits_from_file "$TMPFILE" quiet)
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kx[i]="${kx[i]} $dhlen"
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fi
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fi
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neat_list "$HEXC" "${ciph[i]}" "${kx[i]}" "${enc[i]}"
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available=""
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if "$SHOW_EACH_C"; then
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if ${ciphers_found[child]}; then
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available="available"
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pr_cyan "$available"
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else
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available="not a/v"
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out "$available"
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fi
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fi
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if "$SHOW_SIGALGO" && ${ciphers_found[child]}; then
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$OPENSSL x509 -noout -text -in $TMPFILE | awk -F':' '/Signature Algorithm/ { print $2 }' | head -1
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else
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outln
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fi
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fileout "cipher_$HEXC" "INFO" "$(neat_list "$HEXC" "${ciph[i]}" "${kx[i]}" "${enc[i]}") $available"
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fi
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done
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round_num=round_num+1
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if $sslv2_supported && [[ $bundle_size -eq 1 ]] && [[ "${sslvers[i]}" == "SSLv2" ]]; then
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if "$using_sockets"; then
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if grep "Supported cipher: " "$TEMPDIR/$NODEIP.parse_sslv2_serverhello.txt" | grep -q "${normalized_hexcode[i]}"; then
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ciphers_found[child]=true
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echo "" > $TMPFILE
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fi
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else
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$OPENSSL s_client -cipher "${ciph[i]}" $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY -ssl2 >$TMPFILE 2>$ERRFILE </dev/null
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sclient_connect_successful "$?" "$TMPFILE"
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[[ "$?" -eq 0 ]] && ciphers_found[child]=true
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fi
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fi
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# If this is a "leaf" of the test tree, then print out the results.
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if [[ $bundle_size -eq 1 ]] && ( ${ciphers_found[child]} || "$SHOW_EACH_C"); then
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export=${export2[i]}
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if ! "$using_sockets"; then
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normalize_ciphercode "${hexcode[i]}"
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normalized_hexcode[i]="$HEXC"
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fi
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if [[ ${kx[i]} == "Kx=ECDH" ]] || [[ ${kx[i]} == "Kx=DH" ]] || [[ ${kx[i]} == "Kx=EDH" ]]; then
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if ${ciphers_found[child]}; then
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dhlen=$(read_dhbits_from_file "$TMPFILE" quiet)
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kx[i]="${kx[i]} $dhlen"
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fi
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fi
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neat_list "${normalized_hexcode[i]}" "${ciph[i]}" "${kx[i]}" "${enc[i]}"
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available=""
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if "$SHOW_EACH_C"; then
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if ${ciphers_found[child]}; then
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available="available"
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pr_cyan "$available"
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else
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available="not a/v"
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out "$available"
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fi
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fi
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if "$SHOW_SIGALGO" && ${ciphers_found[child]}; then
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$OPENSSL x509 -noout -text -in $TMPFILE | awk -F':' '/Signature Algorithm/ { print $2 }' | head -1
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else
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outln
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fi
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fileout "cipher_${normalized_hexcode[i]}" "INFO" "$(neat_list "${normalized_hexcode[i]}" "${ciph[i]}" "${kx[i]}" "${enc[i]}") $available"
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fi
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done
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round_num=round_num+1
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done
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"$using_sockets" && HAS_DH_BITS="$has_dh_bits"
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outln
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tmpfile_handle $FUNCNAME.txt
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