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Merge pull request #335 from dcooper16/run_cipher_per_proto_speedup
run_cipher_per_proto speedup
This commit is contained in:
Dirk Wetter
88
testssl.sh
88
testssl.sh
@@ -1670,11 +1670,14 @@ run_allciphers() {
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return 0
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}
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# test for all ciphers per protocol locally configured (w/o distinguishing whether they are good or bad
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run_cipher_per_proto(){
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# test for all ciphers per protocol locally configured (w/o distinguishing whether they are good or bad)
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run_cipher_per_proto() {
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local proto proto_text
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local hexcode n ciph sslvers kx auth enc mac export
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local -i sclient_success=0
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local -i nr_ciphers
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local n sslvers auth mac export
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local -a hexcode ciph 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 id
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@@ -1686,39 +1689,88 @@ run_cipher_per_proto(){
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outln " -ssl2 SSLv2\n -ssl3 SSLv3\n -tls1 TLS 1\n -tls1_1 TLS 1.1\n -tls1_2 TLS 1.2"| while read proto proto_text; do
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locally_supported "$proto" "$proto_text" || continue
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outln
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$OPENSSL ciphers $proto -V 'ALL:COMPLEMENTOFALL:@STRENGTH' 2>$ERRFILE | while read hexcode n ciph sslvers kx auth enc mac export; do # -V doesn't work with openssl < 1.0
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$OPENSSL s_client -cipher $ciph $proto $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $SNI >$TMPFILE 2>$ERRFILE </dev/null
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# get a list of all the cipher suites to test (only need the hexcode, ciph, kx, enc, and export values)
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nr_ciphers=0
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while read hexcode[nr_ciphers] n ciph[nr_ciphers] sslvers kx[nr_ciphers] auth enc[nr_ciphers] mac export2[nr_ciphers]; do
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nr_ciphers=$nr_ciphers+1
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done < <($OPENSSL ciphers $proto -V 'ALL:COMPLEMENTOFALL:@STRENGTH' 2>$ERRFILE)
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# Split ciphers into bundles of size 4**n, starting with the smallest
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# "n" that leaves the ciphers in one bundle, and then reducing "n" by
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# one in each round. Only test a bundle of 4**n ciphers against the
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# server if it was part of a bundle of 4**(n+1) ciphers that included
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# a cipher supported by the server. Continue until n=0.
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# Determine the smallest bundle size that will result in their being one bundle.
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for(( bundle_size=1; bundle_size < nr_ciphers; bundle_size*=4 )); do
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:
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done
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# set ciphers_found[1] so that the complete bundle will be tested in round 0.
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ciphers_found[1]=true
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for (( round_num=0; 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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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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$OPENSSL s_client -cipher "${ciphers_to_test:1}" $proto $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $SNI >$TMPFILE 2>$ERRFILE </dev/null
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sclient_connect_successful "$?" "$TMPFILE"
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sclient_success=$?
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if [[ $sclient_success -ne 0 ]] && ! "$SHOW_EACH_C"; then
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continue # no successful connect AND not verbose displaying each cipher
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[[ "$?" -eq 0 ]] && ciphers_found[child]=true
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else
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# No need to test, since test of parent demonstrated none of these ciphers work.
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ciphers_found[child]=false
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fi
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normalize_ciphercode "$hexcode"
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if [[ $kx == "Kx=ECDH" ]] || [[ $kx == "Kx=DH" ]] || [[ $kx == "Kx=EDH" ]]; then
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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 "$TMPFILE" quiet)
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kx="$kx $dhlen"
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kx[i]="${kx[i]} $dhlen"
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fi
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neat_list "$HEXC" "$ciph" "$kx" "$enc"
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fi
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neat_list "$HEXC" "${ciph[i]}" "${kx[i]}" "${enc[i]}"
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available="available"
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if "$SHOW_EACH_C"; then
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if [[ $sclient_success -eq 0 ]]; then
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if ${ciphers_found[child]}; then
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pr_cyan " available"
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else
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out " not a/v"
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available="not a/v"
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fi
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fi
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if "$SHOW_SIGALGO"; then
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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 $2 }' | head -1
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else
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outln
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fi
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id="cipher$proto"
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id+="_$HEXC"
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fileout "$id" "INFO" "$proto_text $(neat_list "$HEXC" "$ciph" "$kx" "$enc") $available"
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fileout "$id" "INFO" "$proto_text $(neat_list "$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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done
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done
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tmpfile_handle $FUNCNAME.txt
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done
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done
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return 0
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}
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