From 38ce604e3cc97706b876b0525ddff0121115456d Mon Sep 17 00:00:00 2001
From: djm <>
Date: Sat, 6 Sep 2008 12:17:54 +0000
Subject: resolve conflicts

---
 src/lib/libssl/ssl_sess.c | 189 ++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 159 insertions(+), 30 deletions(-)

(limited to 'src/lib/libssl/ssl_sess.c')

diff --git a/src/lib/libssl/ssl_sess.c b/src/lib/libssl/ssl_sess.c
index 2ba8b9612e..ee88be2b88 100644
--- a/src/lib/libssl/ssl_sess.c
+++ b/src/lib/libssl/ssl_sess.c
@@ -122,10 +122,20 @@ SSL_SESSION *SSL_SESSION_new(void)
 	ss->prev=NULL;
 	ss->next=NULL;
 	ss->compress_meth=0;
+#ifndef OPENSSL_NO_TLSEXT
+	ss->tlsext_hostname = NULL; 
+#endif
 	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
 	return(ss);
 	}
 
+const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s, unsigned int *len)
+	{
+	if(len)
+		*len = s->session_id_length;
+	return s->session_id;
+	}
+
 /* Even with SSLv2, we have 16 bytes (128 bits) of session ID space. SSLv3/TLSv1
  * has 32 bytes (256 bits). As such, filling the ID with random gunk repeatedly
  * until we have no conflict is going to complete in one iteration pretty much
@@ -141,7 +151,7 @@ static int def_generate_session_id(const SSL *ssl, unsigned char *id,
 {
 	unsigned int retry = 0;
 	do
-		if(RAND_pseudo_bytes(id, *id_len) <= 0)
+		if (RAND_pseudo_bytes(id, *id_len) <= 0)
 			return 0;
 	while(SSL_has_matching_session_id(ssl, id, *id_len) &&
 		(++retry < MAX_SESS_ID_ATTEMPTS));
@@ -198,12 +208,25 @@ int ssl_get_new_session(SSL *s, int session)
 			ss->ssl_version=TLS1_VERSION;
 			ss->session_id_length=SSL3_SSL_SESSION_ID_LENGTH;
 			}
+		else if (s->version == DTLS1_VERSION)
+			{
+			ss->ssl_version=DTLS1_VERSION;
+			ss->session_id_length=SSL3_SSL_SESSION_ID_LENGTH;
+			}
 		else
 			{
 			SSLerr(SSL_F_SSL_GET_NEW_SESSION,SSL_R_UNSUPPORTED_SSL_VERSION);
 			SSL_SESSION_free(ss);
 			return(0);
 			}
+#ifndef OPENSSL_NO_TLSEXT
+		/* If RFC4507 ticket use empty session ID */
+		if (s->tlsext_ticket_expected)
+			{
+			ss->session_id_length = 0;
+			goto sess_id_done;
+			}
+#endif
 		/* Choose which callback will set the session ID */
 		CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
 		if(s->generate_session_id)
@@ -245,6 +268,17 @@ int ssl_get_new_session(SSL *s, int session)
 			SSL_SESSION_free(ss);
 			return(0);
 			}
+#ifndef OPENSSL_NO_TLSEXT
+		sess_id_done:
+		if (s->tlsext_hostname) {
+			ss->tlsext_hostname = BUF_strdup(s->tlsext_hostname);
+			if (ss->tlsext_hostname == NULL) {
+				SSLerr(SSL_F_SSL_GET_NEW_SESSION, ERR_R_INTERNAL_ERROR);
+				SSL_SESSION_free(ss);
+				return 0;
+				}
+			}
+#endif
 		}
 	else
 		{
@@ -266,21 +300,41 @@ int ssl_get_new_session(SSL *s, int session)
 	return(1);
 	}
 
-int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len)
+int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len,
+			const unsigned char *limit)
 	{
 	/* This is used only by servers. */
 
-	SSL_SESSION *ret=NULL,data;
+	SSL_SESSION *ret=NULL;
 	int fatal = 0;
-
-	data.ssl_version=s->version;
-	data.session_id_length=len;
+#ifndef OPENSSL_NO_TLSEXT
+	int r;
+#endif
+  
 	if (len > SSL_MAX_SSL_SESSION_ID_LENGTH)
 		goto err;
-	memcpy(data.session_id,session_id,len);
-
+#ifndef OPENSSL_NO_TLSEXT
+ 	r = tls1_process_ticket(s, session_id, len, limit, &ret);
+	if (r == -1)
+		{
+		fatal = 1;
+ 		goto err;
+		}
+	else if (r == 0 || (!ret && !len))
+		goto err;
+	else if (!ret && !(s->session_ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP))
+#else
+	if (len == 0)
+		goto err;
 	if (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP))
+#endif
 		{
+		SSL_SESSION data;
+		data.ssl_version=s->version;
+		data.session_id_length=len;
+		if (len == 0)
+			return 0;
+ 		memcpy(data.session_id,session_id,len);
 		CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
 		ret=(SSL_SESSION *)lh_retrieve(s->ctx->sessions,&data);
 		if (ret != NULL)
@@ -322,33 +376,35 @@ int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len)
 
 	/* Now ret is non-NULL, and we own one of its reference counts. */
 
-	if((s->verify_mode&SSL_VERIFY_PEER)
-	   && (!s->sid_ctx_length || ret->sid_ctx_length != s->sid_ctx_length
-	       || memcmp(ret->sid_ctx,s->sid_ctx,ret->sid_ctx_length)))
-	    {
+	if (ret->sid_ctx_length != s->sid_ctx_length
+	    || memcmp(ret->sid_ctx,s->sid_ctx,ret->sid_ctx_length))
+		{
 		/* We've found the session named by the client, but we don't
 		 * want to use it in this context. */
-		
-		if (s->sid_ctx_length == 0)
-			{
-			/* application should have used SSL[_CTX]_set_session_id_context
-			 * -- we could tolerate this and just pretend we never heard
-			 * of this session, but then applications could effectively
-			 * disable the session cache by accident without anyone noticing */
 
-			SSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);
-			fatal = 1;
-			goto err;
-			}
-		else
-			{
 #if 0 /* The client cannot always know when a session is not appropriate,
-	   * so we shouldn't generate an error message. */
+       * so we shouldn't generate an error message. */
 
-			SSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT);
+		SSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT);
 #endif
-			goto err; /* treat like cache miss */
-			}
+		goto err; /* treat like cache miss */
+		}
+	
+	if((s->verify_mode & SSL_VERIFY_PEER) && s->sid_ctx_length == 0)
+		{
+		/* We can't be sure if this session is being used out of
+		 * context, which is especially important for SSL_VERIFY_PEER.
+		 * The application should have used SSL[_CTX]_set_session_id_context.
+		 *
+		 * For this error case, we generate an error instead of treating
+		 * the event like a cache miss (otherwise it would be easy for
+		 * applications to effectively disable the session cache by
+		 * accident without anyone noticing).
+		 */
+		
+		SSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);
+		fatal = 1;
+		goto err;
 		}
 
 	if (ret->cipher == NULL)
@@ -534,6 +590,10 @@ void SSL_SESSION_free(SSL_SESSION *ss)
 	if (ss->sess_cert != NULL) ssl_sess_cert_free(ss->sess_cert);
 	if (ss->peer != NULL) X509_free(ss->peer);
 	if (ss->ciphers != NULL) sk_SSL_CIPHER_free(ss->ciphers);
+#ifndef OPENSSL_NO_TLSEXT
+	if (ss->tlsext_hostname != NULL) OPENSSL_free(ss->tlsext_hostname);
+	if (ss->tlsext_tick != NULL) OPENSSL_free(ss->tlsext_tick);
+#endif
 	OPENSSL_cleanse(ss,sizeof(*ss));
 	OPENSSL_free(ss);
 	}
@@ -568,7 +628,7 @@ int SSL_set_session(SSL *s, SSL_SESSION *session)
                 if (s->kssl_ctx && !s->kssl_ctx->client_princ &&
                     session->krb5_client_princ_len > 0)
                 {
-                    s->kssl_ctx->client_princ = (char *)malloc(session->krb5_client_princ_len + 1);
+                    s->kssl_ctx->client_princ = (char *)OPENSSL_malloc(session->krb5_client_princ_len + 1);
                     memcpy(s->kssl_ctx->client_princ,session->krb5_client_princ,
                             session->krb5_client_princ_len);
                     s->kssl_ctx->client_princ[session->krb5_client_princ_len] = '\0';
@@ -753,3 +813,72 @@ static void SSL_SESSION_list_add(SSL_CTX *ctx, SSL_SESSION *s)
 		}
 	}
 
+void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
+	int (*cb)(struct ssl_st *ssl,SSL_SESSION *sess))
+	{
+	ctx->new_session_cb=cb;
+	}
+
+int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(SSL *ssl, SSL_SESSION *sess)
+	{
+	return ctx->new_session_cb;
+	}
+
+void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
+	void (*cb)(SSL_CTX *ctx,SSL_SESSION *sess))
+	{
+	ctx->remove_session_cb=cb;
+	}
+
+void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))(SSL_CTX * ctx,SSL_SESSION *sess)
+	{
+	return ctx->remove_session_cb;
+	}
+
+void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
+	SSL_SESSION *(*cb)(struct ssl_st *ssl,
+	         unsigned char *data,int len,int *copy))
+	{
+	ctx->get_session_cb=cb;
+	}
+
+SSL_SESSION * (*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))(SSL *ssl,
+	         unsigned char *data,int len,int *copy)
+	{
+	return ctx->get_session_cb;
+	}
+
+void SSL_CTX_set_info_callback(SSL_CTX *ctx, 
+	void (*cb)(const SSL *ssl,int type,int val))
+	{
+	ctx->info_callback=cb;
+	}
+
+void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl,int type,int val)
+	{
+	return ctx->info_callback;
+	}
+
+void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
+	int (*cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey))
+	{
+	ctx->client_cert_cb=cb;
+	}
+
+int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL * ssl, X509 ** x509 , EVP_PKEY **pkey)
+	{
+	return ctx->client_cert_cb;
+	}
+
+void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
+	int (*cb)(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len))
+	{
+	ctx->app_gen_cookie_cb=cb;
+	}
+
+void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
+	int (*cb)(SSL *ssl, unsigned char *cookie, unsigned int cookie_len))
+	{
+	ctx->app_verify_cookie_cb=cb;
+	}
+
-- 
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