Drop OpenSSL 0.9.8 patches to add EAP-FAST support

The OpenSSL project will not support version 0.9.8 anymore. As there
won't be even security fixes for this branch, it is not really safe to
continue using 0.9.8 and we might as well drop the EAP-FAST patches for
it.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2016-01-09 00:47:30 +02:00 committed by Jouni Malinen
parent c397edf2bb
commit 38af0423cb
3 changed files with 3 additions and 798 deletions

View file

@ -30,13 +30,13 @@ mkdir $TMP
mkdir -p $RELDIR
git archive --format=tar --prefix=wpa-$VER/ HEAD \
README COPYING CONTRIBUTIONS patches src wpa_supplicant hostapd hs20 |
README COPYING CONTRIBUTIONS src wpa_supplicant hostapd hs20 |
gzip > $RELDIR/wpa-$VER.tar.gz
git archive --format=tar --prefix=hostapd-$VER/ HEAD \
README COPYING CONTRIBUTIONS patches src hostapd |
README COPYING CONTRIBUTIONS src hostapd |
gzip > $RELDIR/hostapd-$VER.tar.gz
git archive --format=tar --prefix=wpa_supplicant-$VER/ HEAD \
README COPYING CONTRIBUTIONS patches src wpa_supplicant hs20/client |
README COPYING CONTRIBUTIONS src wpa_supplicant hs20/client |
tar --directory=$TMP -xf -
cd $TMP

View file

@ -1,397 +0,0 @@
This patch adds support for TLS SessionTicket extension (RFC 5077) for
the parts used by EAP-FAST (RFC 4851).
This is based on the patch from Alexey Kobozev <akobozev@cisco.com>
(sent to openssl-dev mailing list on Tue, 07 Jun 2005 15:40:58 +0300).
OpenSSL 0.9.8za does not enable TLS extension support by default, so it
will need to be enabled by adding enable-tlsext to config script
command line.
diff -upr openssl-0.9.8za.orig/ssl/s3_clnt.c openssl-0.9.8za/ssl/s3_clnt.c
--- openssl-0.9.8za.orig/ssl/s3_clnt.c 2014-06-05 11:09:26.000000000 +0300
+++ openssl-0.9.8za/ssl/s3_clnt.c 2014-06-05 20:37:09.221387312 +0300
@@ -767,6 +767,22 @@ int ssl3_get_server_hello(SSL *s)
goto f_err;
}
+#ifndef OPENSSL_NO_TLSEXT
+ /* check if we want to resume the session based on external pre-shared secret */
+ if (s->version >= TLS1_VERSION && s->tls_session_secret_cb)
+ {
+ SSL_CIPHER *pref_cipher=NULL;
+ s->session->master_key_length=sizeof(s->session->master_key);
+ if (s->tls_session_secret_cb(s, s->session->master_key, &s->session->master_key_length,
+ NULL, &pref_cipher, s->tls_session_secret_cb_arg))
+ {
+ s->session->cipher=pref_cipher ?
+ pref_cipher : ssl_get_cipher_by_char(s,p+j);
+ s->s3->flags |= SSL3_FLAGS_CCS_OK;
+ }
+ }
+#endif /* OPENSSL_NO_TLSEXT */
+
if (j != 0 && j == s->session->session_id_length
&& memcmp(p,s->session->session_id,j) == 0)
{
@@ -2745,11 +2760,8 @@ int ssl3_check_finished(SSL *s)
{
int ok;
long n;
- /* If we have no ticket or session ID is non-zero length (a match of
- * a non-zero session length would never reach here) it cannot be a
- * resumed session.
- */
- if (!s->session->tlsext_tick || s->session->session_id_length)
+ /* If we have no ticket it cannot be a resumed session. */
+ if (!s->session->tlsext_tick)
return 1;
/* this function is called when we really expect a Certificate
* message, so permit appropriate message length */
diff -upr openssl-0.9.8za.orig/ssl/s3_srvr.c openssl-0.9.8za/ssl/s3_srvr.c
--- openssl-0.9.8za.orig/ssl/s3_srvr.c 2014-06-05 11:09:26.000000000 +0300
+++ openssl-0.9.8za/ssl/s3_srvr.c 2014-06-05 20:37:09.225387312 +0300
@@ -1011,6 +1011,59 @@ int ssl3_get_client_hello(SSL *s)
SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_CLIENTHELLO_TLSEXT);
goto err;
}
+
+ /* Check if we want to use external pre-shared secret for this
+ * handshake for not reused session only. We need to generate
+ * server_random before calling tls_session_secret_cb in order to allow
+ * SessionTicket processing to use it in key derivation. */
+ {
+ unsigned long Time;
+ unsigned char *pos;
+ Time=(unsigned long)time(NULL); /* Time */
+ pos=s->s3->server_random;
+ l2n(Time,pos);
+ if (RAND_pseudo_bytes(pos,SSL3_RANDOM_SIZE-4) <= 0)
+ {
+ al=SSL_AD_INTERNAL_ERROR;
+ goto f_err;
+ }
+ }
+
+ if (!s->hit && s->version >= TLS1_VERSION && s->tls_session_secret_cb)
+ {
+ SSL_CIPHER *pref_cipher=NULL;
+
+ s->session->master_key_length=sizeof(s->session->master_key);
+ if(s->tls_session_secret_cb(s, s->session->master_key, &s->session->master_key_length,
+ ciphers, &pref_cipher, s->tls_session_secret_cb_arg))
+ {
+ s->hit=1;
+ s->session->ciphers=ciphers;
+ s->session->verify_result=X509_V_OK;
+
+ ciphers=NULL;
+
+ /* check if some cipher was preferred by call back */
+ pref_cipher=pref_cipher ? pref_cipher : ssl3_choose_cipher(s, s->session->ciphers, SSL_get_ciphers(s));
+ if (pref_cipher == NULL)
+ {
+ al=SSL_AD_HANDSHAKE_FAILURE;
+ SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_NO_SHARED_CIPHER);
+ goto f_err;
+ }
+
+ s->session->cipher=pref_cipher;
+
+ if (s->cipher_list)
+ sk_SSL_CIPHER_free(s->cipher_list);
+
+ if (s->cipher_list_by_id)
+ sk_SSL_CIPHER_free(s->cipher_list_by_id);
+
+ s->cipher_list = sk_SSL_CIPHER_dup(s->session->ciphers);
+ s->cipher_list_by_id = sk_SSL_CIPHER_dup(s->session->ciphers);
+ }
+ }
#endif
/* Worst case, we will use the NULL compression, but if we have other
* options, we will now look for them. We have i-1 compression
@@ -1161,16 +1214,22 @@ int ssl3_send_server_hello(SSL *s)
unsigned char *buf;
unsigned char *p,*d;
int i,sl;
- unsigned long l,Time;
+ unsigned long l;
+#ifdef OPENSSL_NO_TLSEXT
+ unsigned long Time;
+#endif
if (s->state == SSL3_ST_SW_SRVR_HELLO_A)
{
buf=(unsigned char *)s->init_buf->data;
+#ifdef OPENSSL_NO_TLSEXT
p=s->s3->server_random;
+ /* Generate server_random if it was not needed previously */
Time=(unsigned long)time(NULL); /* Time */
l2n(Time,p);
if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0)
return -1;
+#endif
/* Do the message type and length last */
d=p= &(buf[4]);
diff -upr openssl-0.9.8za.orig/ssl/ssl_err.c openssl-0.9.8za/ssl/ssl_err.c
--- openssl-0.9.8za.orig/ssl/ssl_err.c 2014-06-05 11:09:08.000000000 +0300
+++ openssl-0.9.8za/ssl/ssl_err.c 2014-06-05 20:37:09.225387312 +0300
@@ -265,6 +265,7 @@ static ERR_STRING_DATA SSL_str_functs[]=
{ERR_FUNC(SSL_F_TLS1_ENC), "TLS1_ENC"},
{ERR_FUNC(SSL_F_TLS1_SETUP_KEY_BLOCK), "TLS1_SETUP_KEY_BLOCK"},
{ERR_FUNC(SSL_F_WRITE_PENDING), "WRITE_PENDING"},
+{ERR_FUNC(SSL_F_SSL_SET_SESSION_TICKET_EXT), "SSL_set_session_ticket_ext"},
{0,NULL}
};
diff -upr openssl-0.9.8za.orig/ssl/ssl.h openssl-0.9.8za/ssl/ssl.h
--- openssl-0.9.8za.orig/ssl/ssl.h 2014-06-05 11:09:08.000000000 +0300
+++ openssl-0.9.8za/ssl/ssl.h 2014-06-05 20:37:09.229387312 +0300
@@ -344,6 +344,7 @@ extern "C" {
* 'struct ssl_st *' function parameters used to prototype callbacks
* in SSL_CTX. */
typedef struct ssl_st *ssl_crock_st;
+typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
/* used to hold info on the particular ciphers used */
typedef struct ssl_cipher_st
@@ -362,6 +363,9 @@ typedef struct ssl_cipher_st
DECLARE_STACK_OF(SSL_CIPHER)
+typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data, int len, void *arg);
+typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len, STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg);
+
/* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */
typedef struct ssl_method_st
{
@@ -1053,6 +1057,18 @@ struct ssl_st
/* RFC4507 session ticket expected to be received or sent */
int tlsext_ticket_expected;
+
+ /* TLS Session Ticket extension override */
+ TLS_SESSION_TICKET_EXT *tlsext_session_ticket;
+
+ /* TLS Session Ticket extension callback */
+ tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb;
+ void *tls_session_ticket_ext_cb_arg;
+
+ /* TLS pre-shared secret session resumption */
+ tls_session_secret_cb_fn tls_session_secret_cb;
+ void *tls_session_secret_cb_arg;
+
SSL_CTX * initial_ctx; /* initial ctx, used to store sessions */
#define session_ctx initial_ctx
#else
@@ -1668,6 +1684,15 @@ void *SSL_COMP_get_compression_methods(v
int SSL_COMP_add_compression_method(int id,void *cm);
#endif
+/* TLS extensions functions */
+int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
+
+int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
+ void *arg);
+
+/* Pre-shared secret session resumption functions */
+int SSL_set_session_secret_cb(SSL *s, tls_session_secret_cb_fn tls_session_secret_cb, void *arg);
+
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
@@ -1872,6 +1897,7 @@ void ERR_load_SSL_strings(void);
#define SSL_F_TLS1_ENC 210
#define SSL_F_TLS1_SETUP_KEY_BLOCK 211
#define SSL_F_WRITE_PENDING 212
+#define SSL_F_SSL_SET_SESSION_TICKET_EXT 213
/* Reason codes. */
#define SSL_R_APP_DATA_IN_HANDSHAKE 100
diff -upr openssl-0.9.8za.orig/ssl/ssl_sess.c openssl-0.9.8za/ssl/ssl_sess.c
--- openssl-0.9.8za.orig/ssl/ssl_sess.c 2014-06-05 11:09:08.000000000 +0300
+++ openssl-0.9.8za/ssl/ssl_sess.c 2014-06-05 20:37:09.229387312 +0300
@@ -712,6 +712,61 @@ long SSL_CTX_get_timeout(const SSL_CTX *
return(s->session_timeout);
}
+#ifndef OPENSSL_NO_TLSEXT
+int SSL_set_session_secret_cb(SSL *s, int (*tls_session_secret_cb)(SSL *s, void *secret, int *secret_len,
+ STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg), void *arg)
+ {
+ if (s == NULL) return(0);
+ s->tls_session_secret_cb = tls_session_secret_cb;
+ s->tls_session_secret_cb_arg = arg;
+ return(1);
+ }
+
+int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
+ void *arg)
+ {
+ if (s == NULL) return(0);
+ s->tls_session_ticket_ext_cb = cb;
+ s->tls_session_ticket_ext_cb_arg = arg;
+ return(1);
+ }
+
+int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len)
+ {
+ if (s->version >= TLS1_VERSION)
+ {
+ if (s->tlsext_session_ticket)
+ {
+ OPENSSL_free(s->tlsext_session_ticket);
+ s->tlsext_session_ticket = NULL;
+ }
+
+ s->tlsext_session_ticket = OPENSSL_malloc(sizeof(TLS_SESSION_TICKET_EXT) + ext_len);
+ if (!s->tlsext_session_ticket)
+ {
+ SSLerr(SSL_F_SSL_SET_SESSION_TICKET_EXT, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ if (ext_data)
+ {
+ s->tlsext_session_ticket->length = ext_len;
+ s->tlsext_session_ticket->data = s->tlsext_session_ticket + 1;
+ memcpy(s->tlsext_session_ticket->data, ext_data, ext_len);
+ }
+ else
+ {
+ s->tlsext_session_ticket->length = 0;
+ s->tlsext_session_ticket->data = NULL;
+ }
+
+ return 1;
+ }
+
+ return 0;
+ }
+#endif /* OPENSSL_NO_TLSEXT */
+
typedef struct timeout_param_st
{
SSL_CTX *ctx;
diff -upr openssl-0.9.8za.orig/ssl/t1_lib.c openssl-0.9.8za/ssl/t1_lib.c
--- openssl-0.9.8za.orig/ssl/t1_lib.c 2014-06-05 11:09:08.000000000 +0300
+++ openssl-0.9.8za/ssl/t1_lib.c 2014-06-05 20:37:09.229387312 +0300
@@ -106,6 +106,12 @@ int tls1_new(SSL *s)
void tls1_free(SSL *s)
{
+#ifndef OPENSSL_NO_TLSEXT
+ if (s->tlsext_session_ticket)
+ {
+ OPENSSL_free(s->tlsext_session_ticket);
+ }
+#endif
ssl3_free(s);
}
@@ -206,8 +212,23 @@ unsigned char *ssl_add_clienthello_tlsex
int ticklen;
if (!s->new_session && s->session && s->session->tlsext_tick)
ticklen = s->session->tlsext_ticklen;
+ else if (s->session && s->tlsext_session_ticket &&
+ s->tlsext_session_ticket->data)
+ {
+ ticklen = s->tlsext_session_ticket->length;
+ s->session->tlsext_tick = OPENSSL_malloc(ticklen);
+ if (!s->session->tlsext_tick)
+ return NULL;
+ memcpy(s->session->tlsext_tick,
+ s->tlsext_session_ticket->data,
+ ticklen);
+ s->session->tlsext_ticklen = ticklen;
+ }
else
ticklen = 0;
+ if (ticklen == 0 && s->tlsext_session_ticket &&
+ s->tlsext_session_ticket->data == NULL)
+ goto skip_ext;
/* Check for enough room 2 for extension type, 2 for len
* rest for ticket
*/
@@ -221,6 +242,7 @@ unsigned char *ssl_add_clienthello_tlsex
ret += ticklen;
}
}
+ skip_ext:
if (s->tlsext_status_type == TLSEXT_STATUSTYPE_ocsp &&
s->version != DTLS1_VERSION)
@@ -574,6 +596,15 @@ int ssl_parse_clienthello_tlsext(SSL *s,
return 0;
renegotiate_seen = 1;
}
+ else if (type == TLSEXT_TYPE_session_ticket)
+ {
+ if (s->tls_session_ticket_ext_cb &&
+ !s->tls_session_ticket_ext_cb(s, data, size, s->tls_session_ticket_ext_cb_arg))
+ {
+ *al = TLS1_AD_INTERNAL_ERROR;
+ return 0;
+ }
+ }
else if (type == TLSEXT_TYPE_status_request &&
s->version != DTLS1_VERSION && s->ctx->tlsext_status_cb)
{
@@ -751,6 +782,12 @@ int ssl_parse_serverhello_tlsext(SSL *s,
}
else if (type == TLSEXT_TYPE_session_ticket)
{
+ if (s->tls_session_ticket_ext_cb &&
+ !s->tls_session_ticket_ext_cb(s, data, size, s->tls_session_ticket_ext_cb_arg))
+ {
+ *al = TLS1_AD_INTERNAL_ERROR;
+ return 0;
+ }
if ((SSL_get_options(s) & SSL_OP_NO_TICKET)
|| (size > 0))
{
@@ -1043,6 +1080,15 @@ int tls1_process_ticket(SSL *s, unsigned
s->tlsext_ticket_expected = 1;
return 0; /* Cache miss */
}
+ if (s->tls_session_secret_cb)
+ {
+ /* Indicate cache miss here and instead of
+ * generating the session from ticket now,
+ * trigger abbreviated handshake based on
+ * external mechanism to calculate the master
+ * secret later. */
+ return 0;
+ }
return tls_decrypt_ticket(s, p, size, session_id, len,
ret);
}
diff -upr openssl-0.9.8za.orig/ssl/tls1.h openssl-0.9.8za/ssl/tls1.h
--- openssl-0.9.8za.orig/ssl/tls1.h 2014-06-05 11:09:08.000000000 +0300
+++ openssl-0.9.8za/ssl/tls1.h 2014-06-05 20:37:09.229387312 +0300
@@ -415,6 +415,13 @@ SSL_CTX_callback_ctrl(ssl,SSL_CTRL_SET_T
#define TLS_MD_MASTER_SECRET_CONST "\x6d\x61\x73\x74\x65\x72\x20\x73\x65\x63\x72\x65\x74" /*master secret*/
#endif
+/* TLS extension struct */
+struct tls_session_ticket_ext_st
+ {
+ unsigned short length;
+ void *data;
+ };
+
#ifdef __cplusplus
}
#endif
diff -upr openssl-0.9.8za.orig/util/ssleay.num openssl-0.9.8za/util/ssleay.num
--- openssl-0.9.8za.orig/util/ssleay.num 2014-06-05 12:38:45.000000000 +0300
+++ openssl-0.9.8za/util/ssleay.num 2014-06-05 20:37:09.229387312 +0300
@@ -242,3 +242,5 @@ SSL_set_SSL_CTX
SSL_get_servername 291 EXIST::FUNCTION:TLSEXT
SSL_get_servername_type 292 EXIST::FUNCTION:TLSEXT
SSL_CTX_set_client_cert_engine 293 EXIST::FUNCTION:ENGINE
+SSL_set_session_ticket_ext 306 EXIST::FUNCTION:TLSEXT
+SSL_set_session_secret_cb 307 EXIST::FUNCTION:TLSEXT

View file

@ -1,398 +0,0 @@
This patch adds support for TLS SessionTicket extension (RFC 5077) for
the parts used by EAP-FAST (RFC 4851).
This is based on the patch from Alexey Kobozev <akobozev@cisco.com>
(sent to openssl-dev mailing list on Tue, 07 Jun 2005 15:40:58 +0300).
OpenSSL 0.9.8zf does not enable TLS extension support by default, so it
will need to be enabled by adding enable-tlsext to config script
command line.
diff -upr openssl-0.9.8zf.orig/ssl/s3_clnt.c openssl-0.9.8zf/ssl/s3_clnt.c
--- openssl-0.9.8zf.orig/ssl/s3_clnt.c 2015-03-19 15:46:46.000000000 +0200
+++ openssl-0.9.8zf/ssl/s3_clnt.c 2015-03-24 16:19:14.043911769 +0200
@@ -760,6 +760,23 @@ int ssl3_get_server_hello(SSL *s)
goto f_err;
}
+#ifndef OPENSSL_NO_TLSEXT
+ /* check if we want to resume the session based on external pre-shared secret */
+ if (s->version >= TLS1_VERSION && s->tls_session_secret_cb) {
+ SSL_CIPHER *pref_cipher = NULL;
+
+ s->session->master_key_length = sizeof(s->session->master_key);
+ if (s->tls_session_secret_cb(s, s->session->master_key,
+ &s->session->master_key_length,
+ NULL, &pref_cipher,
+ s->tls_session_secret_cb_arg)) {
+ s->session->cipher = pref_cipher ?
+ pref_cipher : ssl_get_cipher_by_char(s, p + j);
+ s->s3->flags |= SSL3_FLAGS_CCS_OK;
+ }
+ }
+#endif /* OPENSSL_NO_TLSEXT */
+
if (j != 0 && j == s->session->session_id_length
&& memcmp(p, s->session->session_id, j) == 0) {
if (s->sid_ctx_length != s->session->sid_ctx_length
@@ -2684,12 +2701,8 @@ int ssl3_check_finished(SSL *s)
{
int ok;
long n;
- /*
- * If we have no ticket or session ID is non-zero length (a match of a
- * non-zero session length would never reach here) it cannot be a resumed
- * session.
- */
- if (!s->session->tlsext_tick || s->session->session_id_length)
+ /* If we have no ticket it cannot be a resumed session. */
+ if (!s->session->tlsext_tick)
return 1;
/*
* this function is called when we really expect a Certificate message,
diff -upr openssl-0.9.8zf.orig/ssl/s3_srvr.c openssl-0.9.8zf/ssl/s3_srvr.c
--- openssl-0.9.8zf.orig/ssl/s3_srvr.c 2015-03-19 15:46:46.000000000 +0200
+++ openssl-0.9.8zf/ssl/s3_srvr.c 2015-03-24 16:23:34.567909681 +0200
@@ -999,6 +999,59 @@ int ssl3_get_client_hello(SSL *s)
SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_CLIENTHELLO_TLSEXT);
goto err;
}
+
+ /* Check if we want to use external pre-shared secret for this
+ * handshake for not reused session only. We need to generate
+ * server_random before calling tls_session_secret_cb in order to allow
+ * SessionTicket processing to use it in key derivation. */
+ {
+ unsigned long Time;
+ unsigned char *pos;
+ Time = (unsigned long)time(NULL); /* Time */
+ pos = s->s3->server_random;
+ l2n(Time, pos);
+ if (RAND_pseudo_bytes(pos, SSL3_RANDOM_SIZE - 4) <= 0) {
+ al = SSL_AD_INTERNAL_ERROR;
+ goto f_err;
+ }
+ }
+
+ if (!s->hit && s->version >= TLS1_VERSION && s->tls_session_secret_cb) {
+ SSL_CIPHER *pref_cipher = NULL;
+
+ s->session->master_key_length = sizeof(s->session->master_key);
+ if (s->tls_session_secret_cb(s, s->session->master_key,
+ &s->session->master_key_length,
+ ciphers, &pref_cipher,
+ s->tls_session_secret_cb_arg)) {
+ s->hit = 1;
+ s->session->ciphers = ciphers;
+ s->session->verify_result = X509_V_OK;
+
+ ciphers = NULL;
+
+ /* check if some cipher was preferred by call back */
+ pref_cipher = pref_cipher ? pref_cipher :
+ ssl3_choose_cipher(s, s->session->ciphers,
+ SSL_get_ciphers(s));
+ if (pref_cipher == NULL) {
+ al = SSL_AD_HANDSHAKE_FAILURE;
+ SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_NO_SHARED_CIPHER);
+ goto f_err;
+ }
+
+ s->session->cipher = pref_cipher;
+
+ if (s->cipher_list)
+ sk_SSL_CIPHER_free(s->cipher_list);
+
+ if (s->cipher_list_by_id)
+ sk_SSL_CIPHER_free(s->cipher_list_by_id);
+
+ s->cipher_list = sk_SSL_CIPHER_dup(s->session->ciphers);
+ s->cipher_list_by_id = sk_SSL_CIPHER_dup(s->session->ciphers);
+ }
+ }
#endif
/*
* Worst case, we will use the NULL compression, but if we have other
@@ -1143,15 +1196,21 @@ int ssl3_send_server_hello(SSL *s)
unsigned char *buf;
unsigned char *p, *d;
int i, sl;
- unsigned long l, Time;
+ unsigned long l;
+#ifdef OPENSSL_NO_TLSEXT
+ unsigned long Time;
+#endif
if (s->state == SSL3_ST_SW_SRVR_HELLO_A) {
buf = (unsigned char *)s->init_buf->data;
+#ifdef OPENSSL_NO_TLSEXT
p = s->s3->server_random;
+ /* Generate server_random if it was not needed previously */
Time = (unsigned long)time(NULL); /* Time */
l2n(Time, p);
if (RAND_pseudo_bytes(p, SSL3_RANDOM_SIZE - 4) <= 0)
return -1;
+#endif
/* Do the message type and length last */
d = p = &(buf[4]);
diff -upr openssl-0.9.8zf.orig/ssl/ssl_err.c openssl-0.9.8zf/ssl/ssl_err.c
--- openssl-0.9.8zf.orig/ssl/ssl_err.c 2015-03-19 15:46:46.000000000 +0200
+++ openssl-0.9.8zf/ssl/ssl_err.c 2015-03-24 16:35:58.627903717 +0200
@@ -316,6 +316,7 @@ static ERR_STRING_DATA SSL_str_functs[]
{ERR_FUNC(SSL_F_TLS1_ENC), "TLS1_ENC"},
{ERR_FUNC(SSL_F_TLS1_SETUP_KEY_BLOCK), "TLS1_SETUP_KEY_BLOCK"},
{ERR_FUNC(SSL_F_WRITE_PENDING), "WRITE_PENDING"},
+ {ERR_FUNC(SSL_F_SSL_SET_SESSION_TICKET_EXT), "SSL_set_session_ticket_ext"},
{0, NULL}
};
diff -upr openssl-0.9.8zf.orig/ssl/ssl.h openssl-0.9.8zf/ssl/ssl.h
--- openssl-0.9.8zf.orig/ssl/ssl.h 2015-03-19 15:46:46.000000000 +0200
+++ openssl-0.9.8zf/ssl/ssl.h 2015-03-24 16:25:44.339908641 +0200
@@ -349,6 +349,7 @@ extern "C" {
* function parameters used to prototype callbacks in SSL_CTX.
*/
typedef struct ssl_st *ssl_crock_st;
+typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
/* used to hold info on the particular ciphers used */
typedef struct ssl_cipher_st {
@@ -366,6 +367,12 @@ typedef struct ssl_cipher_st {
DECLARE_STACK_OF(SSL_CIPHER)
+typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
+ int len, void *arg);
+typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
+ STACK_OF(SSL_CIPHER) *peer_ciphers,
+ SSL_CIPHER **cipher, void *arg);
+
/* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */
typedef struct ssl_method_st {
int version;
@@ -1116,6 +1123,18 @@ struct ssl_st {
int tlsext_ocsp_resplen;
/* RFC4507 session ticket expected to be received or sent */
int tlsext_ticket_expected;
+
+ /* TLS Session Ticket extension override */
+ TLS_SESSION_TICKET_EXT *tlsext_session_ticket;
+
+ /* TLS Session Ticket extension callback */
+ tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb;
+ void *tls_session_ticket_ext_cb_arg;
+
+ /* TLS pre-shared secret session resumption */
+ tls_session_secret_cb_fn tls_session_secret_cb;
+ void *tls_session_secret_cb_arg;
+
SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */
# define session_ctx initial_ctx
# else
@@ -1772,6 +1791,17 @@ void *SSL_COMP_get_compression_methods(v
int SSL_COMP_add_compression_method(int id, void *cm);
# endif
+/* TLS extensions functions */
+int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
+
+int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
+ void *arg);
+
+/* Pre-shared secret session resumption functions */
+int SSL_set_session_secret_cb(SSL *s,
+ tls_session_secret_cb_fn tls_session_secret_cb,
+ void *arg);
+
/* BEGIN ERROR CODES */
/*
* The following lines are auto generated by the script mkerr.pl. Any changes
@@ -1977,6 +2007,7 @@ void ERR_load_SSL_strings(void);
# define SSL_F_TLS1_ENC 210
# define SSL_F_TLS1_SETUP_KEY_BLOCK 211
# define SSL_F_WRITE_PENDING 212
+#define SSL_F_SSL_SET_SESSION_TICKET_EXT 213
/* Reason codes. */
# define SSL_R_APP_DATA_IN_HANDSHAKE 100
diff -upr openssl-0.9.8zf.orig/ssl/ssl_sess.c openssl-0.9.8zf/ssl/ssl_sess.c
--- openssl-0.9.8zf.orig/ssl/ssl_sess.c 2015-03-19 15:46:46.000000000 +0200
+++ openssl-0.9.8zf/ssl/ssl_sess.c 2015-03-24 16:28:04.819907515 +0200
@@ -716,6 +716,61 @@ long SSL_CTX_get_timeout(const SSL_CTX *
return (s->session_timeout);
}
+#ifndef OPENSSL_NO_TLSEXT
+int SSL_set_session_secret_cb(
+ SSL *s,
+ int (*tls_session_secret_cb)(SSL *s, void *secret, int *secret_len,
+ STACK_OF(SSL_CIPHER) *peer_ciphers,
+ SSL_CIPHER **cipher, void *arg), void *arg)
+{
+ if (s == NULL)
+ return 0;
+ s->tls_session_secret_cb = tls_session_secret_cb;
+ s->tls_session_secret_cb_arg = arg;
+ return 1;
+}
+
+int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
+ void *arg)
+{
+ if (s == NULL)
+ return 0;
+ s->tls_session_ticket_ext_cb = cb;
+ s->tls_session_ticket_ext_cb_arg = arg;
+ return 1;
+}
+
+int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len)
+{
+ if (s->version >= TLS1_VERSION) {
+ if (s->tlsext_session_ticket) {
+ OPENSSL_free(s->tlsext_session_ticket);
+ s->tlsext_session_ticket = NULL;
+ }
+
+ s->tlsext_session_ticket = OPENSSL_malloc(
+ sizeof(TLS_SESSION_TICKET_EXT) + ext_len);
+ if (!s->tlsext_session_ticket) {
+ SSLerr(SSL_F_SSL_SET_SESSION_TICKET_EXT, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ if (ext_data) {
+ s->tlsext_session_ticket->length = ext_len;
+ s->tlsext_session_ticket->data = s->tlsext_session_ticket + 1;
+ memcpy(s->tlsext_session_ticket->data, ext_data, ext_len);
+ } else {
+ s->tlsext_session_ticket->length = 0;
+ s->tlsext_session_ticket->data = NULL;
+ }
+
+ return 1;
+ }
+
+ return 0;
+}
+#endif /* OPENSSL_NO_TLSEXT */
+
typedef struct timeout_param_st {
SSL_CTX *ctx;
long time;
diff -upr openssl-0.9.8zf.orig/ssl/t1_lib.c openssl-0.9.8zf/ssl/t1_lib.c
--- openssl-0.9.8zf.orig/ssl/t1_lib.c 2015-03-19 15:46:46.000000000 +0200
+++ openssl-0.9.8zf/ssl/t1_lib.c 2015-03-24 16:32:46.923905254 +0200
@@ -108,6 +108,11 @@ int tls1_new(SSL *s)
void tls1_free(SSL *s)
{
+#ifndef OPENSSL_NO_TLSEXT
+ if (s->tlsext_session_ticket) {
+ OPENSSL_free(s->tlsext_session_ticket);
+ }
+#endif
ssl3_free(s);
}
@@ -206,8 +211,20 @@ unsigned char *ssl_add_clienthello_tlsex
int ticklen;
if (!s->new_session && s->session && s->session->tlsext_tick)
ticklen = s->session->tlsext_ticklen;
- else
+ else if (s->session && s->tlsext_session_ticket &&
+ s->tlsext_session_ticket->data) {
+ ticklen = s->tlsext_session_ticket->length;
+ s->session->tlsext_tick = OPENSSL_malloc(ticklen);
+ if (!s->session->tlsext_tick)
+ return NULL;
+ memcpy(s->session->tlsext_tick, s->tlsext_session_ticket->data,
+ ticklen);
+ s->session->tlsext_ticklen = ticklen;
+ } else
ticklen = 0;
+ if (ticklen == 0 && s->tlsext_session_ticket &&
+ s->tlsext_session_ticket->data == NULL)
+ goto skip_ext;
/*
* Check for enough room 2 for extension type, 2 for len rest for
* ticket
@@ -221,6 +238,7 @@ unsigned char *ssl_add_clienthello_tlsex
ret += ticklen;
}
}
+skip_ext:
if (s->tlsext_status_type == TLSEXT_STATUSTYPE_ocsp &&
s->version != DTLS1_VERSION) {
@@ -560,6 +578,14 @@ int ssl_parse_clienthello_tlsext(SSL *s,
if (!ssl_parse_clienthello_renegotiate_ext(s, data, size, al))
return 0;
renegotiate_seen = 1;
+ } else if (type == TLSEXT_TYPE_session_ticket) {
+ if (s->tls_session_ticket_ext_cb &&
+ !s->tls_session_ticket_ext_cb(s, data, size,
+ s->tls_session_ticket_ext_cb_arg))
+ {
+ *al = TLS1_AD_INTERNAL_ERROR;
+ return 0;
+ }
} else if (type == TLSEXT_TYPE_status_request &&
s->version != DTLS1_VERSION && s->ctx->tlsext_status_cb) {
@@ -710,6 +736,13 @@ int ssl_parse_serverhello_tlsext(SSL *s,
}
tlsext_servername = 1;
} else if (type == TLSEXT_TYPE_session_ticket) {
+ if (s->tls_session_ticket_ext_cb &&
+ !s->tls_session_ticket_ext_cb(
+ s, data, size,
+ s->tls_session_ticket_ext_cb_arg)) {
+ *al = TLS1_AD_INTERNAL_ERROR;
+ return 0;
+ }
if ((SSL_get_options(s) & SSL_OP_NO_TICKET)
|| (size > 0)) {
*al = TLS1_AD_UNSUPPORTED_EXTENSION;
@@ -993,6 +1026,14 @@ int tls1_process_ticket(SSL *s, unsigned
s->tlsext_ticket_expected = 1;
return 0; /* Cache miss */
}
+ if (s->tls_session_secret_cb) {
+ /* Indicate cache miss here and instead of
+ * generating the session from ticket now,
+ * trigger abbreviated handshake based on
+ * external mechanism to calculate the master
+ * secret later. */
+ return 0;
+ }
return tls_decrypt_ticket(s, p, size, session_id, len, ret);
}
p += size;
diff -upr openssl-0.9.8zf.orig/ssl/tls1.h openssl-0.9.8zf/ssl/tls1.h
--- openssl-0.9.8zf.orig/ssl/tls1.h 2015-03-19 15:46:46.000000000 +0200
+++ openssl-0.9.8zf/ssl/tls1.h 2015-03-24 16:33:31.855904894 +0200
@@ -460,6 +460,12 @@ SSL_CTX_callback_ctrl(ssl,SSL_CTRL_SET_T
# define TLS_MD_MASTER_SECRET_CONST "\x6d\x61\x73\x74\x65\x72\x20\x73\x65\x63\x72\x65\x74"
# endif
+/* TLS extension struct */
+struct tls_session_ticket_ext_st {
+ unsigned short length;
+ void *data;
+};
+
#ifdef __cplusplus
}
#endif
diff -upr openssl-0.9.8zf.orig/util/ssleay.num openssl-0.9.8zf/util/ssleay.num
--- openssl-0.9.8zf.orig/util/ssleay.num 2015-03-19 15:47:15.000000000 +0200
+++ openssl-0.9.8zf/util/ssleay.num 2015-03-24 16:33:51.127904739 +0200
@@ -242,3 +242,5 @@ SSL_set_SSL_CTX
SSL_get_servername 291 EXIST::FUNCTION:TLSEXT
SSL_get_servername_type 292 EXIST::FUNCTION:TLSEXT
SSL_CTX_set_client_cert_engine 293 EXIST::FUNCTION:ENGINE
+SSL_set_session_ticket_ext 306 EXIST::FUNCTION:TLSEXT
+SSL_set_session_secret_cb 307 EXIST::FUNCTION:TLSEXT