Updated the OpenSSL EAP-FAST patch for the current OpenSSL 0.9.9 snapshot
sssleay.num had changed (new function allocated) and server code was modified to call ssl3_digest_cached_records() in the start of abbreviated handshake to avoid possible segmentation faults later in some cases when reverting to full handshake. In addition, there is some whitespace cleanup and added comment explaining TLS ticket processing.
This commit is contained in:
Jouni Malinen
parent
4d4233eaf4
commit
3d1aa251a3
1 changed files with 71 additions and 54 deletions
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@ -6,10 +6,11 @@ This is based on the patch from Alexey Kobozev <akobozev@cisco.com>
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diff -upr openssl-SNAP-20080528.orig/ssl/s3_clnt.c openssl-SNAP-20080528/ssl/s3_clnt.c
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--- openssl-SNAP-20080528.orig/ssl/s3_clnt.c 2008-04-29 21:00:17.000000000 +0300
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+++ openssl-SNAP-20080528/ssl/s3_clnt.c 2008-05-29 10:55:43.000000000 +0300
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@@ -785,6 +785,20 @@ int ssl3_get_server_hello(SSL *s)
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Index: openssl-SNAP-20080822/ssl/s3_clnt.c
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===================================================================
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--- openssl-SNAP-20080822.orig/ssl/s3_clnt.c
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+++ openssl-SNAP-20080822/ssl/s3_clnt.c
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@@ -788,6 +788,20 @@ int ssl3_get_server_hello(SSL *s)
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goto f_err;
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}
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@ -30,7 +31,7 @@ diff -upr openssl-SNAP-20080528.orig/ssl/s3_clnt.c openssl-SNAP-20080528/ssl/s3_
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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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@@ -2918,11 +2932,8 @@ static int ssl3_check_finished(SSL *s)
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@@ -2927,11 +2941,8 @@ 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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@ -44,10 +45,11 @@ diff -upr openssl-SNAP-20080528.orig/ssl/s3_clnt.c openssl-SNAP-20080528/ssl/s3_
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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 -upr openssl-SNAP-20080528.orig/ssl/s3_srvr.c openssl-SNAP-20080528/ssl/s3_srvr.c
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--- openssl-SNAP-20080528.orig/ssl/s3_srvr.c 2008-04-30 20:00:38.000000000 +0300
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+++ openssl-SNAP-20080528/ssl/s3_srvr.c 2008-05-29 10:49:25.000000000 +0300
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@@ -1004,6 +1004,59 @@ int ssl3_get_client_hello(SSL *s)
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Index: openssl-SNAP-20080822/ssl/s3_srvr.c
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===================================================================
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--- openssl-SNAP-20080822.orig/ssl/s3_srvr.c
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+++ openssl-SNAP-20080822/ssl/s3_srvr.c
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@@ -1004,6 +1004,61 @@ 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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@ -102,12 +104,14 @@ diff -upr openssl-SNAP-20080528.orig/ssl/s3_srvr.c openssl-SNAP-20080528/ssl/s3_
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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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+ s->s3->tmp.new_cipher = pref_cipher;
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+ ssl3_digest_cached_records(s);
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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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@@ -1130,16 +1183,22 @@ int ssl3_send_server_hello(SSL *s)
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@@ -1130,16 +1185,22 @@ 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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@ -131,9 +135,22 @@ diff -upr openssl-SNAP-20080528.orig/ssl/s3_srvr.c openssl-SNAP-20080528/ssl/s3_
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/* Do the message type and length last */
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d=p= &(buf[4]);
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diff -upr openssl-SNAP-20080528.orig/ssl/ssl.h openssl-SNAP-20080528/ssl/ssl.h
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--- openssl-SNAP-20080528.orig/ssl/ssl.h 2008-05-26 15:00:37.000000000 +0300
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+++ openssl-SNAP-20080528/ssl/ssl.h 2008-05-29 10:49:25.000000000 +0300
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Index: openssl-SNAP-20080822/ssl/ssl_err.c
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===================================================================
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--- openssl-SNAP-20080822.orig/ssl/ssl_err.c
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+++ openssl-SNAP-20080822/ssl/ssl_err.c
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@@ -263,6 +263,7 @@ static ERR_STRING_DATA SSL_str_functs[]=
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{ERR_FUNC(SSL_F_TLS1_PRF), "tls1_prf"},
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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_HELLO_EXTENSION), "SSL_set_hello_extension"},
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{0,NULL}
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};
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Index: openssl-SNAP-20080822/ssl/ssl.h
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===================================================================
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--- openssl-SNAP-20080822.orig/ssl/ssl.h
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+++ openssl-SNAP-20080822/ssl/ssl.h
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@@ -354,6 +354,7 @@ 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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@ -142,16 +159,16 @@ diff -upr openssl-SNAP-20080528.orig/ssl/ssl.h openssl-SNAP-20080528/ssl/ssl.h
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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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@@ -380,6 +381,8 @@ DECLARE_STACK_OF(SSL_CIPHER)
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typedef struct ssl_st SSL;
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typedef struct ssl_ctx_st SSL_CTX;
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@@ -377,6 +378,8 @@ typedef struct ssl_cipher_st
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DECLARE_STACK_OF(SSL_CIPHER)
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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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@@ -1128,6 +1131,13 @@ struct ssl_st
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@@ -1144,6 +1147,13 @@ struct ssl_st
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void *tlsext_opaque_prf_input;
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size_t tlsext_opaque_prf_input_len;
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@ -165,7 +182,7 @@ diff -upr openssl-SNAP-20080528.orig/ssl/ssl.h openssl-SNAP-20080528/ssl/ssl.h
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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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@@ -1729,6 +1739,12 @@ void *SSL_COMP_get_compression_methods(v
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@@ -1745,6 +1755,12 @@ void *SSL_COMP_get_compression_methods(v
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int SSL_COMP_add_compression_method(int id,void *cm);
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#endif
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@ -178,7 +195,7 @@ diff -upr openssl-SNAP-20080528.orig/ssl/ssl.h openssl-SNAP-20080528/ssl/ssl.h
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/* BEGIN ERROR CODES */
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/* The following lines are auto generated by the script mkerr.pl. Any changes
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* made after this point may be overwritten when the script is next run.
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@@ -1928,6 +1944,7 @@ void ERR_load_SSL_strings(void);
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@@ -1947,6 +1963,7 @@ void ERR_load_SSL_strings(void);
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#define SSL_F_TLS1_PRF 284
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#define SSL_F_TLS1_SETUP_KEY_BLOCK 211
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#define SSL_F_WRITE_PENDING 212
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@ -186,21 +203,11 @@ diff -upr openssl-SNAP-20080528.orig/ssl/ssl.h openssl-SNAP-20080528/ssl/ssl.h
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/* Reason codes. */
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#define SSL_R_APP_DATA_IN_HANDSHAKE 100
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diff -upr openssl-SNAP-20080528.orig/ssl/ssl_err.c openssl-SNAP-20080528/ssl/ssl_err.c
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--- openssl-SNAP-20080528.orig/ssl/ssl_err.c 2007-10-27 03:01:29.000000000 +0300
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+++ openssl-SNAP-20080528/ssl/ssl_err.c 2008-05-29 10:49:25.000000000 +0300
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@@ -260,6 +260,7 @@ static ERR_STRING_DATA SSL_str_functs[]=
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{ERR_FUNC(SSL_F_TLS1_PRF), "tls1_prf"},
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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_HELLO_EXTENSION), "SSL_set_hello_extension"},
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{0,NULL}
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};
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diff -upr openssl-SNAP-20080528.orig/ssl/ssl_sess.c openssl-SNAP-20080528/ssl/ssl_sess.c
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--- openssl-SNAP-20080528.orig/ssl/ssl_sess.c 2008-05-26 15:00:37.000000000 +0300
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+++ openssl-SNAP-20080528/ssl/ssl_sess.c 2008-05-29 10:49:25.000000000 +0300
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@@ -831,6 +831,52 @@ long SSL_CTX_get_timeout(const SSL_CTX *
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Index: openssl-SNAP-20080822/ssl/ssl_sess.c
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===================================================================
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--- openssl-SNAP-20080822.orig/ssl/ssl_sess.c
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+++ openssl-SNAP-20080822/ssl/ssl_sess.c
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@@ -834,6 +834,52 @@ long SSL_CTX_get_timeout(const SSL_CTX *
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return(s->session_timeout);
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}
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@ -253,9 +260,10 @@ diff -upr openssl-SNAP-20080528.orig/ssl/ssl_sess.c openssl-SNAP-20080528/ssl/ss
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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 -upr openssl-SNAP-20080528.orig/ssl/t1_lib.c openssl-SNAP-20080528/ssl/t1_lib.c
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--- openssl-SNAP-20080528.orig/ssl/t1_lib.c 2008-04-30 20:00:39.000000000 +0300
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+++ openssl-SNAP-20080528/ssl/t1_lib.c 2008-05-29 10:49:25.000000000 +0300
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Index: openssl-SNAP-20080822/ssl/t1_lib.c
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===================================================================
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--- openssl-SNAP-20080822.orig/ssl/t1_lib.c
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+++ openssl-SNAP-20080822/ssl/t1_lib.c
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@@ -154,6 +154,12 @@ int tls1_new(SSL *s)
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void tls1_free(SSL *s)
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@ -302,18 +310,26 @@ diff -upr openssl-SNAP-20080528.orig/ssl/t1_lib.c openssl-SNAP-20080528/ssl/t1_l
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#ifdef TLSEXT_TYPE_opaque_prf_input
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if (s->s3->client_opaque_prf_input != NULL)
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@@ -1427,6 +1450,8 @@ int tls1_process_ticket(SSL *s, unsigned
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@@ -1428,6 +1451,15 @@ 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 -upr openssl-SNAP-20080528.orig/ssl/tls1.h openssl-SNAP-20080528/ssl/tls1.h
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--- openssl-SNAP-20080528.orig/ssl/tls1.h 2008-04-30 20:00:39.000000000 +0300
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+++ openssl-SNAP-20080528/ssl/tls1.h 2008-05-29 10:49:25.000000000 +0300
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Index: openssl-SNAP-20080822/ssl/tls1.h
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===================================================================
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--- openssl-SNAP-20080822.orig/ssl/tls1.h
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+++ openssl-SNAP-20080822/ssl/tls1.h
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@@ -512,6 +512,14 @@ 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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@ -329,12 +345,13 @@ diff -upr openssl-SNAP-20080528.orig/ssl/tls1.h openssl-SNAP-20080528/ssl/tls1.h
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#ifdef __cplusplus
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}
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#endif
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diff -upr openssl-SNAP-20080528.orig/util/ssleay.num openssl-SNAP-20080528/util/ssleay.num
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--- openssl-SNAP-20080528.orig/util/ssleay.num 2007-08-31 16:03:14.000000000 +0300
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+++ openssl-SNAP-20080528/util/ssleay.num 2008-05-29 10:49:25.000000000 +0300
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@@ -253,3 +253,5 @@ PEM_write_bio_SSL_SESSION
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PEM_read_SSL_SESSION 302 EXIST:!WIN16:FUNCTION:
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PEM_read_bio_SSL_SESSION 303 EXIST::FUNCTION:
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PEM_write_SSL_SESSION 304 EXIST:!WIN16:FUNCTION:
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+SSL_set_hello_extension 305 EXIST::FUNCTION:TLSEXT
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+SSL_set_session_secret_cb 306 EXIST::FUNCTION:TLSEXT
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Index: openssl-SNAP-20080822/util/ssleay.num
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===================================================================
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--- openssl-SNAP-20080822.orig/util/ssleay.num
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+++ openssl-SNAP-20080822/util/ssleay.num
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@@ -254,3 +254,5 @@ PEM_read_bio_SSL_SESSION
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SSL_CTX_set_psk_server_callback 303 EXIST::FUNCTION:PSK
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SSL_get_psk_identity 304 EXIST::FUNCTION:PSK
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PEM_write_SSL_SESSION 305 EXIST:!WIN16:FUNCTION:
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+SSL_set_hello_extension 306 EXIST::FUNCTION:TLSEXT
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+SSL_set_session_secret_cb 307 EXIST::FUNCTION:TLSEXT
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