+++ /dev/null
-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 0.9.8i does not enable TLS extension support by default, so it
-will need to be enabled by adding enable-tlsext to config script
-command line.
-
-
-Index: openssl-0.9.8i/ssl/s3_clnt.c
-===================================================================
---- openssl-0.9.8i.orig/ssl/s3_clnt.c 2008-06-16 19:56:41.000000000 +0300
-+++ openssl-0.9.8i/ssl/s3_clnt.c 2008-11-23 20:39:40.000000000 +0200
-@@ -759,6 +759,21 @@
- 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);
-+ }
-+ }
-+#endif /* OPENSSL_NO_TLSEXT */
-+
- if (j != 0 && j == s->session->session_id_length
- && memcmp(p,s->session->session_id,j) == 0)
- {
-@@ -2701,11 +2716,8 @@
- {
- 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 */
-Index: openssl-0.9.8i/ssl/s3_srvr.c
-===================================================================
---- openssl-0.9.8i.orig/ssl/s3_srvr.c 2008-09-14 21:16:09.000000000 +0300
-+++ openssl-0.9.8i/ssl/s3_srvr.c 2008-11-23 20:37:40.000000000 +0200
-@@ -959,6 +959,59 @@
- 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
-@@ -1097,16 +1150,22 @@
- 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]);
-
-Index: openssl-0.9.8i/ssl/ssl_err.c
-===================================================================
---- openssl-0.9.8i.orig/ssl/ssl_err.c 2008-08-13 22:44:44.000000000 +0300
-+++ openssl-0.9.8i/ssl/ssl_err.c 2008-11-23 20:33:43.000000000 +0200
-@@ -253,6 +253,7 @@
- {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}
- };
-
-Index: openssl-0.9.8i/ssl/ssl.h
-===================================================================
---- openssl-0.9.8i.orig/ssl/ssl.h 2008-08-13 22:44:44.000000000 +0300
-+++ openssl-0.9.8i/ssl/ssl.h 2008-11-23 20:35:41.000000000 +0200
-@@ -344,6 +344,7 @@
- * '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 @@
-
- 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
- {
-@@ -1034,6 +1038,18 @@
-
- /* 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
-@@ -1632,6 +1648,15 @@
- 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.
-@@ -1824,6 +1849,7 @@
- #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
-Index: openssl-0.9.8i/ssl/ssl_sess.c
-===================================================================
---- openssl-0.9.8i.orig/ssl/ssl_sess.c 2008-06-04 21:35:27.000000000 +0300
-+++ openssl-0.9.8i/ssl/ssl_sess.c 2008-11-23 20:32:24.000000000 +0200
-@@ -707,6 +707,61 @@
- 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;
-Index: openssl-0.9.8i/ssl/t1_lib.c
-===================================================================
---- openssl-0.9.8i.orig/ssl/t1_lib.c 2008-09-04 01:13:04.000000000 +0300
-+++ openssl-0.9.8i/ssl/t1_lib.c 2008-11-23 20:31:20.000000000 +0200
-@@ -106,6 +106,12 @@
-
- void tls1_free(SSL *s)
- {
-+#ifndef OPENSSL_NO_TLSEXT
-+ if (s->tlsext_session_ticket)
-+ {
-+ OPENSSL_free(s->tlsext_session_ticket);
-+ }
-+#endif
- ssl3_free(s);
- }
-
-@@ -175,8 +181,23 @@
- int ticklen;
- if (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
- */
-@@ -190,6 +211,7 @@
- ret += ticklen;
- }
- }
-+ skip_ext:
-
- if (s->tlsext_status_type == TLSEXT_STATUSTYPE_ocsp)
- {
-@@ -407,6 +429,15 @@
- }
-
- }
-+ 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->ctx->tlsext_status_cb)
- {
-@@ -553,6 +584,12 @@
- }
- 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))
- {
-@@ -776,6 +813,15 @@
- 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);
- }
-Index: openssl-0.9.8i/ssl/tls1.h
-===================================================================
---- openssl-0.9.8i.orig/ssl/tls1.h 2008-04-30 19:11:33.000000000 +0300
-+++ openssl-0.9.8i/ssl/tls1.h 2008-11-23 20:22:38.000000000 +0200
-@@ -398,6 +398,13 @@
- #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
-Index: openssl-0.9.8i/util/ssleay.num
-===================================================================
---- openssl-0.9.8i.orig/util/ssleay.num 2008-06-05 13:57:21.000000000 +0300
-+++ openssl-0.9.8i/util/ssleay.num 2008-11-23 20:22:05.000000000 +0200
-@@ -242,3 +242,5 @@
- 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
projects / mech_eap.git / blobdiff