mirror of
https://github.com/mozilla/cipherscan.git
synced 2024-12-26 04:33:42 +01:00
collect TLS ticket lifetime hints
This commit is contained in:
Hubert Kario
parent
1a78172936
commit
0777682aa6
25
cipherscan
25
cipherscan
@ -84,6 +84,10 @@ test_cipher_on_target() {
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if [ -z $current_pubkey ]; then
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current_pubkey=0
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fi
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current_tickethint=$(grep 'ticket lifetime hint' <<<"$tmp"|awk '{print $6 }')
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if [ -z $current_tickethint ]; then
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current_tickethint=None
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fi
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current_sigalg=$(${OPENSSLBIN} x509 -noout -text 2>/dev/null <<<"$tmp"|grep Signature\ Algorithm | head -n 1 | awk '{print $3}') || current_sigalg="None"
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grep 'Verify return code: 0 ' <<<"$tmp" >/dev/null
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if [ $? -eq 0 ]; then
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@ -117,6 +121,7 @@ test_cipher_on_target() {
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pubkey=$current_pubkey
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sigalg=$current_sigalg
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trusted=$current_trusted
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tickethint=$current_tickethint
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# grab the cipher and PFS key size
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done
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# if cipher is empty, that means none of the TLS version worked with
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@ -128,13 +133,13 @@ test_cipher_on_target() {
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# if cipher contains NONE, the cipher wasn't accepted
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elif [ "$cipher" == '(NONE) ' ]; then
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result="$cipher $protocols $pubkey $sigalg $trusted $pfs"
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result="$cipher $protocols $pubkey $sigalg $trusted $tickethint $pfs"
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verbose "handshake failed, server returned ciphersuite '$result'"
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return 1
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# the connection succeeded
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else
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result="$cipher $protocols $pubkey $sigalg $trusted $pfs"
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result="$cipher $protocols $pubkey $sigalg $trusted $tickethint $pfs"
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verbose "handshake succeeded, server returned ciphersuite '$result'"
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return 0
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fi
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@ -192,6 +197,7 @@ display_results_in_terminal() {
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local pubkey
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local sigalg
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local trusted
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local tickethint
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local different=False
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for cipher in "${cipherspref[@]}"; do
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pciph=$(echo $cipher|awk '{print $1}')
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@ -205,6 +211,7 @@ display_results_in_terminal() {
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pubkey=$(awk '{print $3}' <<<$cipher)
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sigalg=$(awk '{print $4}' <<<$cipher)
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trusted=$(awk '{print $5}' <<<$cipher)
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tickethint=$(awk '{print $6}' <<<$cipher)
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else
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if [ "$pubkey" != "$(awk '{print $3}' <<<$cipher)" ]; then
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different=True
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@ -215,6 +222,9 @@ display_results_in_terminal() {
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if [ "$trusted" != "$(awk '{print $5}' <<<$cipher)" ]; then
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different=True
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fi
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if [ "$tickethint" != "$(awk '{print $6}' <<<$cipher)" ]; then
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different=True
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fi
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fi
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results=("${results[@]}" "$r")
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ctr=$((ctr+1))
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@ -222,13 +232,13 @@ display_results_in_terminal() {
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if [ $DOBENCHMARK -eq 1 ]; then
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if [ $different == "True" ]; then
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header="prio ciphersuite protocols pubkey_size signature_algoritm trusted pfs_keysize avg_handshake_microsec"
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header="prio ciphersuite protocols pubkey_size signature_algoritm trusted ticket_hint pfs_keysize avg_handshake_microsec"
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else
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header="prio ciphersuite protocols pfs_keysize avg_handshake_microsec"
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fi
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else
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if [ $different == "True" ]; then
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header="prio ciphersuite protocols pubkey_size signature_algorithm trusted pfs_keysize"
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header="prio ciphersuite protocols pubkey_size signature_algorithm trusted ticket_hint pfs_keysize"
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else
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header="prio ciphersuite protocols pfs_keysize"
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fi
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@ -242,7 +252,8 @@ display_results_in_terminal() {
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if [ $different == "True" ]; then
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echo $result|grep -v '(NONE)'
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else
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echo $result|grep -v '(NONE)'|awk '{print $1 " " $2 " " $3 " " $7}'
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# prints priority, ciphersuite, protocols and pfs_keysize
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echo $result|grep -v '(NONE)'|awk '{print $1 " " $2 " " $3 " " $8}'
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fi
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done|column -t
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echo
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@ -252,6 +263,7 @@ display_results_in_terminal() {
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else
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echo "Certificate: UNTRUSTED, $pubkey bit, $sigalg signature"
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fi
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echo "TLS ticket lifetime hint: $tickethint"
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fi
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}
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@ -267,7 +279,8 @@ display_results_in_json() {
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echo -n "\"pubkey\":[\"$(echo $cipher|awk '{print $3}'|sed 's/,/","/g')\"],"
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echo -n "\"sigalg\":[\"$(echo $cipher|awk '{print $4}'|sed 's/,/","/g')\"],"
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echo -n "\"trusted\":\"$(echo $cipher|awk '{print $5}'|sed 's/,/","/g')\","
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pfs=$(echo $cipher|awk '{print $6}')
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echo -n "\"ticket_hint\":\"$(echo $cipher|awk '{print $6}')\","
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pfs=$(echo $cipher|awk '{print $7}')
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[ "$pfs" == "" ] && pfs="None"
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echo -n "\"pfs\":\"$pfs\"}"
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ctr=$((ctr+1))
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@ -17,6 +17,7 @@ protocolstats = defaultdict(int)
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handshakestats = defaultdict(int)
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keysize = defaultdict(int)
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sigalg = defaultdict(int)
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tickethint = defaultdict(int)
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dsarsastack = 0
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total = 0
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for r,d,flist in os.walk(path):
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@ -29,6 +30,7 @@ for r,d,flist in os.walk(path):
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tempecckeystats = {}
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tempdsakeystats = {}
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tempsigstats = {}
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tempticketstats = {}
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ciphertypes = 0
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AESGCM = False
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AES = False
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@ -127,6 +129,9 @@ for r,d,flist in os.walk(path):
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""" save key signatures size """
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tempsigstats[entry['sigalg'][0]] = 1
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""" save tls ticket hint """
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tempticketstats[entry['ticket_hint']] = 1
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""" store the versions of TLS supported """
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for protocol in entry['protocols']:
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if protocol == 'SSLv2':
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@ -169,6 +174,12 @@ for r,d,flist in os.walk(path):
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for s in tempsigstats:
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sigalg[s] += 1
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if len(tempticketstats) == 1:
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for s in tempticketstats:
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tickethint[s + " only"] += 1
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for s in tempticketstats:
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tickethint[s] += 1
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""" store cipher stats """
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if AESGCM:
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cipherstats['AES-GCM'] += 1
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@ -273,6 +284,12 @@ for stat in sorted(pfsstats):
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pfspercent = round(pfsstats[stat] / handshakestats['DHE'] * 100, 4)
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sys.stdout.write(stat.ljust(25) + " " + str(pfsstats[stat]).ljust(10) + str(percent).ljust(9) + str(pfspercent) + "\n")
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print("\nTLS session ticket hint Count Percent ")
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print("-------------------------+---------+--------")
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for stat in sorted(tickethint):
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percent = round(tickethint[stat] / total * 100, 4)
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sys.stdout.write(stat.ljust(25) + " " + str(tickethint[stat]).ljust(10) + str(percent).ljust(9) + "\n")
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print("\nCertificate sig alg Count Percent ")
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print("-------------------------+---------+--------")
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for stat in sorted(sigalg):
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