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Remove old style NewSessionTicket from TLSv1.3

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TLSv1.3 has a NewSessionTicket message, but it is *completely* different to
the TLSv1.2 one and may as well have been called something else. This commit
removes the old style NewSessionTicket from TLSv1.3. We will have to add the
new style one back in later.

Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Matt Caswell 2016-11-08 16:10:21 +00:00
parent 82c9c03017
commit 9362c93ebc
7 changed files with 76 additions and 53 deletions
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19
ssl/statem/statem_clnt.c
View File

@ -136,12 +136,7 @@ static int ossl_statem_client13_read_transition(SSL *s, int mt)
case TLS_ST_CR_SRVR_HELLO:
if (s->hit) {
if (s->tlsext_ticket_expected) {
if (mt == SSL3_MT_NEWSESSION_TICKET) {
st->hand_state = TLS_ST_CR_SESSION_TICKET;
return 1;
}
} else if (mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
if (mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
st->hand_state = TLS_ST_CR_CHANGE;
return 1;
}
@ -182,18 +177,6 @@ static int ossl_statem_client13_read_transition(SSL *s, int mt)
break;
case TLS_ST_CW_FINISHED:
if (s->tlsext_ticket_expected) {
if (mt == SSL3_MT_NEWSESSION_TICKET) {
st->hand_state = TLS_ST_CR_SESSION_TICKET;
return 1;
}
} else if (mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
st->hand_state = TLS_ST_CR_CHANGE;
return 1;
}
break;
case TLS_ST_CR_SESSION_TICKET:
if (mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
st->hand_state = TLS_ST_CR_CHANGE;
return 1;

11
ssl/statem/statem_srvr.c
View File

@ -419,8 +419,7 @@ static WRITE_TRAN ossl_statem_server13_write_transition(SSL *s)
case TLS_ST_SW_SRVR_HELLO:
if (s->hit)
st->hand_state = s->tlsext_ticket_expected
? TLS_ST_SW_SESSION_TICKET : TLS_ST_SW_CHANGE;
st->hand_state = TLS_ST_SW_CHANGE;
else
st->hand_state = TLS_ST_SW_CERT;
@ -453,15 +452,11 @@ static WRITE_TRAN ossl_statem_server13_write_transition(SSL *s)
ossl_statem_set_in_init(s, 0);
return WRITE_TRAN_CONTINUE;
}
st->hand_state = s->tlsext_ticket_expected ? TLS_ST_SW_SESSION_TICKET
: TLS_ST_SW_CHANGE;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_SESSION_TICKET:
st->hand_state = TLS_ST_SW_CHANGE;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_CHANGE:
st->hand_state = TLS_ST_SW_FINISHED;
return WRITE_TRAN_CONTINUE;

8
ssl/t1_lib.c
View File

@ -943,7 +943,7 @@ int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op)
static int tls_use_ticket(SSL *s)
{
if (s->options & SSL_OP_NO_TICKET)
if (s->options & SSL_OP_NO_TICKET || SSL_IS_TLS13(s))
return 0;
return ssl_security(s, SSL_SECOP_TICKET, 0, 0, NULL);
}
@ -2287,7 +2287,8 @@ static int ssl_scan_clienthello_tlsext(SSL *s, CLIENTHELLO_MSG *hello, int *al)
}
}
#endif /* OPENSSL_NO_EC */
else if (currext->type == TLSEXT_TYPE_session_ticket) {
else if (currext->type == TLSEXT_TYPE_session_ticket
&& !SSL_IS_TLS13(s)) {
if (s->tls_session_ticket_ext_cb &&
!s->tls_session_ticket_ext_cb(s,
PACKET_data(&currext->data),
@ -3176,7 +3177,8 @@ int tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello,
s->tlsext_ticket_expected = 0;
/*
* If tickets disabled behave as if no ticket present to permit stateful
* If tickets disabled or not supported by the protocol version
* (e.g. TLSv1.3) behave as if no ticket present to permit stateful
* resumption.
*/
if (s->version <= SSL3_VERSION || !tls_use_ticket(s))

16
test/clienthellotest.c
View File

@ -56,10 +56,26 @@ int main(int argc, char *argv[])
for (; currtest < TOTAL_NUM_TESTS; currtest++) {
testresult = 0;
ctx = SSL_CTX_new(TLS_method());
/*
* This test is testing session tickets for <= TLS1.2. It isn't relevant
* for TLS1.3
*/
if (ctx == NULL || !SSL_CTX_set_max_proto_version(ctx, TLS1_2_VERSION))
goto end;
con = SSL_new(ctx);
if (con == NULL)
goto end;
rbio = BIO_new(BIO_s_mem());
wbio = BIO_new(BIO_s_mem());
if (rbio == NULL || wbio == NULL) {
BIO_free(rbio);
BIO_free(wbio);
goto end;
}
SSL_set_bio(con, rbio, wbio);
SSL_set_connect_state(con);

25
test/recipes/70-test_sslsessiontick.t
View File

@ -24,8 +24,8 @@ plan skip_all => "$test_name needs the dynamic engine feature enabled"
plan skip_all => "$test_name needs the sock feature enabled"
if disabled("sock");
plan skip_all => "$test_name needs TLS enabled"
if alldisabled(available_protocols("tls"));
plan skip_all => "$test_name needs SSLv3, TLSv1, TLSv1.1 or TLSv1.2 enabled"
if alldisabled(("ssl3", "tls1", "tls1_1", "tls1_2"));
$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
@ -48,6 +48,7 @@ my $proxy = TLSProxy::Proxy->new(
#Test 1: By default with no existing session we should get a session ticket
#Expected result: ClientHello extension seen; ServerHello extension seen
# NewSessionTicket message seen; Full handshake
$proxy->clientflags("-no_tls1_3");
$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
plan tests => 10;
checkmessages(1, "Default session ticket test", 1, 1, 1, 1);
@ -57,6 +58,7 @@ checkmessages(1, "Default session ticket test", 1, 1, 1, 1);
#Expected result: ClientHello extension seen; ServerHello extension not seen
# NewSessionTicket message not seen; Full handshake
clearall();
$proxy->clientflags("-no_tls1_3");
$proxy->serverflags("-no_ticket");
$proxy->start();
checkmessages(2, "No server support session ticket test", 1, 0, 0, 1);
@ -66,7 +68,7 @@ checkmessages(2, "No server support session ticket test", 1, 0, 0, 1);
#Expected result: ClientHello extension not seen; ServerHello extension not seen
# NewSessionTicket message not seen; Full handshake
clearall();
$proxy->clientflags("-no_ticket");
$proxy->clientflags("-no_tls1_3 -no_ticket");
$proxy->start();
checkmessages(3, "No client support session ticket test", 0, 0, 0, 1);
@ -76,10 +78,10 @@ checkmessages(3, "No client support session ticket test", 0, 0, 0, 1);
clearall();
(undef, my $session) = tempfile();
$proxy->serverconnects(2);
$proxy->clientflags("-sess_out ".$session);
$proxy->clientflags("-no_tls1_3 -sess_out ".$session);
$proxy->start();
$proxy->clearClient();
$proxy->clientflags("-sess_in ".$session);
$proxy->clientflags("-no_tls1_3 -sess_in ".$session);
$proxy->clientstart();
checkmessages(4, "Session resumption session ticket test", 1, 0, 0, 0);
unlink $session;
@ -90,10 +92,10 @@ unlink $session;
clearall();
(undef, $session) = tempfile();
$proxy->serverconnects(2);
$proxy->clientflags("-sess_out ".$session." -no_ticket");
$proxy->clientflags("-no_tls1_3 -sess_out ".$session." -no_ticket");
$proxy->start();
$proxy->clearClient();
$proxy->clientflags("-sess_in ".$session);
$proxy->clientflags("-no_tls1_3 -sess_in ".$session);
$proxy->clientstart();
checkmessages(5, "Session resumption with ticket capable client without a "
."ticket", 1, 1, 1, 0);
@ -104,6 +106,7 @@ unlink $session;
# NewSessionTicket message seen; Full handshake.
clearall();
$proxy->filter(\&ticket_filter);
$proxy->clientflags("-no_tls1_3");
$proxy->start();
checkmessages(6, "Empty ticket test", 1, 1, 1, 1);
@ -112,17 +115,17 @@ clearall();
(undef, $session) = tempfile();
$proxy->serverconnects(3);
$proxy->filter(undef);
$proxy->clientflags("-sess_out ".$session);
$proxy->clientflags("-no_tls1_3 -sess_out ".$session);
$proxy->start();
$proxy->clearClient();
$proxy->clientflags("-sess_in ".$session." -sess_out ".$session);
$proxy->clientflags("-no_tls1_3 -sess_in ".$session." -sess_out ".$session);
$proxy->filter(\&inject_empty_ticket_filter);
$proxy->clientstart();
#Expected result: ClientHello extension seen; ServerHello extension seen;
# NewSessionTicket message seen; Abbreviated handshake.
checkmessages(7, "Empty ticket resumption test", 1, 1, 1, 0);
clearclient();
$proxy->clientflags("-sess_in ".$session);
$proxy->clientflags("-no_tls1_3 -sess_in ".$session);
$proxy->filter(undef);
$proxy->clientstart();
#Expected result: ClientHello extension seen; ServerHello extension not seen;
@ -134,6 +137,7 @@ unlink $session;
#NewSessionTicket
#Expected result: Connection failure
clearall();
$proxy->clientflags("-no_tls1_3");
$proxy->serverflags("-no_ticket");
$proxy->filter(\&inject_ticket_extension_filter);
$proxy->start();
@ -143,6 +147,7 @@ ok(TLSProxy::Message->fail, "Server sends ticket extension but no ticket test");
#NewSessionTicket
#Expected result: Connection failure
clearall();
$proxy->clientflags("-no_tls1_3");
$proxy->serverflags("-no_ticket");
$proxy->filter(\&inject_empty_ticket_filter);
$proxy->start();

17
test/ssl-tests/06-sni-ticket.conf
View File

@ -43,6 +43,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[0-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -84,6 +85,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[1-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -126,6 +128,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[2-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -168,6 +171,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[3-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -210,6 +214,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[4-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -252,6 +257,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[5-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -294,6 +300,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[6-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -336,6 +343,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[7-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -378,6 +386,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[8-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -420,6 +429,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[9-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = -SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -462,6 +472,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[10-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = -SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -504,6 +515,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[11-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = -SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -546,6 +558,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[12-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = -SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -588,6 +601,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[13-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = -SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -630,6 +644,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[14-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = -SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -672,6 +687,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[15-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = -SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer
@ -714,6 +730,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
[16-sni-session-ticket-client]
CipherString = DEFAULT
MaxProtocol = TLSv1.2
Options = -SessionTicket
VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
VerifyMode = Peer

33
test/ssl-tests/06-sni-ticket.conf.in
View File

@ -7,7 +7,7 @@
# https://www.openssl.org/source/license.html
## Test version negotiation
## Test SNI/Session tickets
use strict;
use warnings;
@ -17,12 +17,15 @@ package ssltests;
our @tests = ();
#Note: MaxProtocol is set to TLSv1.2 as session tickets work differently in
#TLSv1.3.
#TODO(TLS1.3): Implement TLSv1.3 style session tickets
sub generate_tests() {
foreach my $c ("SessionTicket", "-SessionTicket") {
foreach my $s1 ("SessionTicket", "-SessionTicket") {
foreach my $s2 ("SessionTicket", "-SessionTicket") {
foreach my $n ("server1", "server2") {
my $result = expected_result($c, $s1, $s2, $n);
foreach my $s1 ("SessionTicket", "-SessionTicket") {
foreach my $s2 ("SessionTicket", "-SessionTicket") {
foreach my $n ("server1", "server2") {
my $result = expected_result($c, $s1, $s2, $n);
push @tests, {
"name" => "sni-session-ticket",
"client" => {
@ -30,6 +33,7 @@ sub generate_tests() {
"extra" => {
"ServerName" => $n,
},
"MaxProtocol" => "TLSv1.2"
},
"server" => {
"Options" => $s1,
@ -38,13 +42,13 @@ sub generate_tests() {
"ServerNameCallback" => "IgnoreMismatch",
},
},
"server2" => {
"Options" => $s2,
},
"server2" => {
"Options" => $s2,
},
"test" => {
"ExpectedServerName" => $n,
"ExpectedResult" => "Success",
"SessionTicketExpected" => $result,
"SessionTicketExpected" => $result,
}
};
}
@ -72,23 +76,24 @@ sub expected_result {
push @tests, {
"name" => "sni-session-ticket",
"client" => {
"Options" => "SessionTicket",
"MaxProtocol" => "TLSv1.2",
"Options" => "SessionTicket",
"extra" => {
"ServerName" => "server1",
}
},
"server" => {
"Options" => "SessionTicket",
"Options" => "SessionTicket",
"extra" => {
"BrokenSessionTicket" => "Yes",
},
},
"server2" => {
"Options" => "SessionTicket",
"Options" => "SessionTicket",
},
"test" => {
"ExpectedResult" => "Success",
"SessionTicketExpected" => "No",
"ExpectedResult" => "Success",
"SessionTicketExpected" => "No",
}
};