379 lines
12 KiB
Diff
379 lines
12 KiB
Diff
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diff -up openssl-0.9.8j/ssl/t1_lib.c.eap-fast openssl-0.9.8j/ssl/t1_lib.c
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--- openssl-0.9.8j/ssl/t1_lib.c.eap-fast 2009-01-14 16:39:41.000000000 +0100
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+++ openssl-0.9.8j/ssl/t1_lib.c 2009-01-14 21:35:38.000000000 +0100
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@@ -106,6 +106,12 @@ int tls1_new(SSL *s)
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void tls1_free(SSL *s)
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{
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+#ifndef OPENSSL_NO_TLSEXT
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+ if (s && s->tlsext_session_ticket)
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+ {
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+ OPENSSL_free(s->tlsext_session_ticket);
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+ }
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+#endif /* OPENSSL_NO_TLSEXT */
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ssl3_free(s);
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}
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@@ -180,8 +186,23 @@ unsigned char *ssl_add_clienthello_tlsex
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int ticklen;
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if (s->session && s->session->tlsext_tick)
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ticklen = s->session->tlsext_ticklen;
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+ else if (s->session && s->tlsext_session_ticket &&
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+ s->tlsext_session_ticket->data)
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+ {
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+ ticklen = s->tlsext_session_ticket->length;
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+ s->session->tlsext_tick = OPENSSL_malloc(ticklen);
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+ if (!s->session->tlsext_tick)
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+ return NULL;
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+ memcpy(s->session->tlsext_tick,
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+ s->tlsext_session_ticket->data,
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+ ticklen);
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+ s->session->tlsext_ticklen = ticklen;
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+ }
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else
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ticklen = 0;
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+ if (ticklen == 0 && s->tlsext_session_ticket &&
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+ s->tlsext_session_ticket->data == NULL)
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+ goto skip_ext;
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/* Check for enough room 2 for extension type, 2 for len
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* rest for ticket
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*/
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@@ -195,6 +216,7 @@ unsigned char *ssl_add_clienthello_tlsex
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ret += ticklen;
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}
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}
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+ skip_ext:
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if (s->tlsext_status_type == TLSEXT_STATUSTYPE_ocsp)
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{
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@@ -417,6 +439,15 @@ int ssl_parse_clienthello_tlsext(SSL *s,
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}
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}
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+ else if (type == TLSEXT_TYPE_session_ticket)
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+ {
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+ if (s->tls_session_ticket_ext_cb &&
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+ !s->tls_session_ticket_ext_cb(s, data, size, s->tls_session_ticket_ext_cb_arg))
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+ {
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+ *al = TLS1_AD_INTERNAL_ERROR;
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+ return 0;
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+ }
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+ }
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else if (type == TLSEXT_TYPE_status_request
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&& s->ctx->tlsext_status_cb)
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{
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@@ -563,6 +594,12 @@ int ssl_parse_serverhello_tlsext(SSL *s,
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}
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else if (type == TLSEXT_TYPE_session_ticket)
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{
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+ if (s->tls_session_ticket_ext_cb &&
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+ !s->tls_session_ticket_ext_cb(s, data, size, s->tls_session_ticket_ext_cb_arg))
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+ {
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+ *al = TLS1_AD_INTERNAL_ERROR;
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+ return 0;
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+ }
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if ((SSL_get_options(s) & SSL_OP_NO_TICKET)
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|| (size > 0))
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{
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@@ -786,6 +823,15 @@ int tls1_process_ticket(SSL *s, unsigned
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s->tlsext_ticket_expected = 1;
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return 0; /* Cache miss */
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}
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+ if (s->tls_session_secret_cb)
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+ {
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+ /* Indicate cache miss here and instead of
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+ * generating the session from ticket now,
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+ * trigger abbreviated handshake based on
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+ * external mechanism to calculate the master
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+ * secret later. */
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+ return 0;
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+ }
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return tls_decrypt_ticket(s, p, size, session_id, len,
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ret);
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}
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diff -up openssl-0.9.8j/ssl/s3_clnt.c.eap-fast openssl-0.9.8j/ssl/s3_clnt.c
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--- openssl-0.9.8j/ssl/s3_clnt.c.eap-fast 2009-01-07 11:48:23.000000000 +0100
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+++ openssl-0.9.8j/ssl/s3_clnt.c 2009-01-14 21:13:47.000000000 +0100
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@@ -759,6 +759,23 @@ int ssl3_get_server_hello(SSL *s)
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goto f_err;
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}
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+#ifndef OPENSSL_NO_TLSEXT
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+ /* check if we want to resume the session based on external pre-shared secret */
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+ if (s->version >= TLS1_VERSION && s->tls_session_secret_cb)
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+ {
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+ SSL_CIPHER *pref_cipher=NULL;
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+ s->session->master_key_length=sizeof(s->session->master_key);
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+ if (s->tls_session_secret_cb(s, s->session->master_key,
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+ &s->session->master_key_length,
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+ NULL, &pref_cipher,
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+ s->tls_session_secret_cb_arg))
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+ {
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+ s->session->cipher = pref_cipher ?
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+ pref_cipher : ssl_get_cipher_by_char(s, p+j);
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+ }
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+ }
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+#endif /* OPENSSL_NO_TLSEXT */
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+
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if (j != 0 && j == s->session->session_id_length
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&& memcmp(p,s->session->session_id,j) == 0)
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{
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@@ -2701,11 +2718,8 @@ static int ssl3_check_finished(SSL *s)
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{
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int ok;
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long n;
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- /* If we have no ticket or session ID is non-zero length (a match of
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- * a non-zero session length would never reach here) it cannot be a
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- * resumed session.
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- */
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- if (!s->session->tlsext_tick || s->session->session_id_length)
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+ /* If we have no ticket it cannot be a resumed session. */
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+ if (!s->session->tlsext_tick)
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return 1;
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/* this function is called when we really expect a Certificate
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* message, so permit appropriate message length */
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diff -up openssl-0.9.8j/ssl/ssl_sess.c.eap-fast openssl-0.9.8j/ssl/ssl_sess.c
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--- openssl-0.9.8j/ssl/ssl_sess.c.eap-fast 2008-06-04 20:35:27.000000000 +0200
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+++ openssl-0.9.8j/ssl/ssl_sess.c 2009-01-14 21:13:47.000000000 +0100
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@@ -707,6 +707,61 @@ long SSL_CTX_get_timeout(const SSL_CTX *
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return(s->session_timeout);
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}
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+#ifndef OPENSSL_NO_TLSEXT
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+int SSL_set_session_secret_cb(SSL *s, int (*tls_session_secret_cb)(SSL *s, void *secret, int *secret_len,
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+ STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg), void *arg)
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+ {
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+ if (s == NULL) return(0);
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+ s->tls_session_secret_cb = tls_session_secret_cb;
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+ s->tls_session_secret_cb_arg = arg;
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+ return(1);
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+ }
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+
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+int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
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+ void *arg)
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+ {
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+ if (s == NULL) return(0);
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+ s->tls_session_ticket_ext_cb = cb;
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+ s->tls_session_ticket_ext_cb_arg = arg;
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+ return(1);
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+ }
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+
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+int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len)
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+ {
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+ if (s->version >= TLS1_VERSION)
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+ {
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+ if (s->tlsext_session_ticket)
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+ {
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+ OPENSSL_free(s->tlsext_session_ticket);
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+ s->tlsext_session_ticket = NULL;
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+ }
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+
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+ s->tlsext_session_ticket = OPENSSL_malloc(sizeof(TLS_SESSION_TICKET_EXT) + ext_len);
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+ if (!s->tlsext_session_ticket)
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+ {
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+ SSLerr(SSL_F_SSL_SET_SESSION_TICKET_EXT, ERR_R_MALLOC_FAILURE);
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+ return 0;
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+ }
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+
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+ if (ext_data)
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+ {
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+ s->tlsext_session_ticket->length = ext_len;
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+ s->tlsext_session_ticket->data = s->tlsext_session_ticket + 1;
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+ memcpy(s->tlsext_session_ticket->data, ext_data, ext_len);
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+ }
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+ else
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+ {
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+ s->tlsext_session_ticket->length = 0;
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+ s->tlsext_session_ticket->data = NULL;
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+ }
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+
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+ return 1;
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+ }
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+
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+ return 0;
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+ }
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+#endif /* OPENSSL_NO_TLSEXT */
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+
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typedef struct timeout_param_st
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{
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SSL_CTX *ctx;
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diff -up openssl-0.9.8j/ssl/s3_srvr.c.eap-fast openssl-0.9.8j/ssl/s3_srvr.c
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--- openssl-0.9.8j/ssl/s3_srvr.c.eap-fast 2009-01-07 11:48:23.000000000 +0100
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+++ openssl-0.9.8j/ssl/s3_srvr.c 2009-01-14 21:22:37.000000000 +0100
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@@ -965,6 +965,59 @@ int ssl3_get_client_hello(SSL *s)
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SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_CLIENTHELLO_TLSEXT);
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goto err;
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}
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+
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+ /* Check if we want to use external pre-shared secret for this
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+ * handshake for not reused session only. We need to generate
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+ * server_random before calling tls_session_secret_cb in order to allow
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+ * SessionTicket processing to use it in key derivation. */
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+ {
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+ unsigned long Time;
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+ unsigned char *pos;
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+ Time=(unsigned long)time(NULL); /* Time */
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+ pos=s->s3->server_random;
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+ l2n(Time,pos);
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+ if (RAND_pseudo_bytes(pos,SSL3_RANDOM_SIZE-4) <= 0)
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+ {
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+ al=SSL_AD_INTERNAL_ERROR;
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+ goto f_err;
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+ }
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+ }
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+
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+ if (!s->hit && s->version >= TLS1_VERSION && s->tls_session_secret_cb)
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+ {
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+ SSL_CIPHER *pref_cipher=NULL;
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+
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+ s->session->master_key_length=sizeof(s->session->master_key);
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+ if(s->tls_session_secret_cb(s, s->session->master_key, &s->session->master_key_length,
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+ ciphers, &pref_cipher, s->tls_session_secret_cb_arg))
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+ {
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+ s->hit=1;
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+ s->session->ciphers=ciphers;
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+ s->session->verify_result=X509_V_OK;
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+
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+ ciphers=NULL;
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+
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+ /* check if some cipher was preferred by call back */
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+ pref_cipher=pref_cipher ? pref_cipher : ssl3_choose_cipher(s, s->session->ciphers, SSL_get_ciphers(s));
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+ if (pref_cipher == NULL)
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+ {
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+ al=SSL_AD_HANDSHAKE_FAILURE;
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+ SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_NO_SHARED_CIPHER);
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+ goto f_err;
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+ }
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+
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+ s->session->cipher=pref_cipher;
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+
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+ if (s->cipher_list)
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+ sk_SSL_CIPHER_free(s->cipher_list);
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+
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+ if (s->cipher_list_by_id)
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+ sk_SSL_CIPHER_free(s->cipher_list_by_id);
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+
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+ s->cipher_list = sk_SSL_CIPHER_dup(s->session->ciphers);
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+ s->cipher_list_by_id = sk_SSL_CIPHER_dup(s->session->ciphers);
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+ }
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+ }
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#endif
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/* Worst case, we will use the NULL compression, but if we have other
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* options, we will now look for them. We have i-1 compression
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@@ -1103,16 +1156,22 @@ int ssl3_send_server_hello(SSL *s)
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unsigned char *buf;
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unsigned char *p,*d;
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int i,sl;
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- unsigned long l,Time;
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+ unsigned long l;
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+#ifdef OPENSSL_NO_TLSEXT
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+ unsigned long Time;
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+#endif
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if (s->state == SSL3_ST_SW_SRVR_HELLO_A)
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{
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buf=(unsigned char *)s->init_buf->data;
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+#ifdef OPENSSL_NO_TLSEXT
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p=s->s3->server_random;
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+ /* Generate server_random if it was not needed previously */
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Time=(unsigned long)time(NULL); /* Time */
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l2n(Time,p);
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if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0)
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return -1;
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+#endif
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/* Do the message type and length last */
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d=p= &(buf[4]);
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diff -up openssl-0.9.8j/ssl/tls1.h.eap-fast openssl-0.9.8j/ssl/tls1.h
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--- openssl-0.9.8j/ssl/tls1.h.eap-fast 2009-01-14 16:39:41.000000000 +0100
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+++ openssl-0.9.8j/ssl/tls1.h 2009-01-14 21:13:47.000000000 +0100
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@@ -398,6 +398,13 @@ SSL_CTX_callback_ctrl(ssl,SSL_CTRL_SET_T
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#define TLS_MD_MASTER_SECRET_CONST "\x6d\x61\x73\x74\x65\x72\x20\x73\x65\x63\x72\x65\x74" /*master secret*/
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#endif
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+/* TLS Session Ticket extension struct */
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+struct tls_session_ticket_ext_st
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+ {
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+ unsigned short length;
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+ void *data;
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+ };
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+
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#ifdef __cplusplus
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}
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#endif
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diff -up openssl-0.9.8j/ssl/ssl_err.c.eap-fast openssl-0.9.8j/ssl/ssl_err.c
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--- openssl-0.9.8j/ssl/ssl_err.c.eap-fast 2008-08-13 21:44:44.000000000 +0200
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+++ openssl-0.9.8j/ssl/ssl_err.c 2009-01-14 21:13:47.000000000 +0100
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@@ -253,6 +253,7 @@ static ERR_STRING_DATA SSL_str_functs[]=
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{ERR_FUNC(SSL_F_TLS1_ENC), "TLS1_ENC"},
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{ERR_FUNC(SSL_F_TLS1_SETUP_KEY_BLOCK), "TLS1_SETUP_KEY_BLOCK"},
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{ERR_FUNC(SSL_F_WRITE_PENDING), "WRITE_PENDING"},
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+{ERR_FUNC(SSL_F_SSL_SET_SESSION_TICKET_EXT), "SSL_set_session_ticket_ext"},
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{0,NULL}
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};
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diff -up openssl-0.9.8j/ssl/ssl.h.eap-fast openssl-0.9.8j/ssl/ssl.h
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--- openssl-0.9.8j/ssl/ssl.h.eap-fast 2009-01-14 16:39:41.000000000 +0100
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+++ openssl-0.9.8j/ssl/ssl.h 2009-01-14 21:26:45.000000000 +0100
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@@ -344,6 +344,7 @@ extern "C" {
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* 'struct ssl_st *' function parameters used to prototype callbacks
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* in SSL_CTX. */
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typedef struct ssl_st *ssl_crock_st;
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+typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
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/* used to hold info on the particular ciphers used */
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typedef struct ssl_cipher_st
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@@ -362,6 +363,9 @@ typedef struct ssl_cipher_st
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DECLARE_STACK_OF(SSL_CIPHER)
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+typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data, int len, void *arg);
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+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);
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+
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/* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */
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typedef struct ssl_method_st
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{
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@@ -1034,6 +1038,18 @@ struct ssl_st
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/* RFC4507 session ticket expected to be received or sent */
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int tlsext_ticket_expected;
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+
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+ /* TLS Session Ticket extension override */
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+ TLS_SESSION_TICKET_EXT *tlsext_session_ticket;
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+
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+ /* TLS Session Ticket extension callback */
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+ tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb;
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+ void *tls_session_ticket_ext_cb_arg;
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+
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+ /* TLS pre-shared secret session resumption */
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+ tls_session_secret_cb_fn tls_session_secret_cb;
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+ void *tls_session_secret_cb_arg;
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+
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SSL_CTX * initial_ctx; /* initial ctx, used to store sessions */
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#define session_ctx initial_ctx
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#else
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@@ -1624,6 +1640,15 @@ void *SSL_COMP_get_compression_methods(v
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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.
|
||
|
@@ -1816,6 +1841,7 @@ 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
|