* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+/* ====================================================================
+ * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECC cipher suite support in OpenSSL originally developed by
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
#ifndef HEADER_SSL3_H
#define HEADER_SSL3_H
-#ifndef NO_COMP
+#ifndef OPENSSL_NO_COMP
#include <openssl/comp.h>
#endif
#include <openssl/buffer.h>
#include <openssl/evp.h>
#include <openssl/ssl.h>
+#include <openssl/pq_compat.h>
#ifdef __cplusplus
extern "C" {
#endif
+/* Signalling cipher suite value: from draft-ietf-tls-renegotiation-03.txt */
+#define SSL3_CK_SCSV 0x030000FF
+
#define SSL3_CK_RSA_NULL_MD5 0x03000001
#define SSL3_CK_RSA_NULL_SHA 0x03000002
#define SSL3_CK_RSA_RC4_40_MD5 0x03000003
#define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C
#define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D
+#if 0 /* Because it clashes with KRB5, is never used any more, and is safe
+ to remove according to David Hopwood <david.hopwood@zetnet.co.uk>
+ of the ietf-tls list */
#define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E
+#endif
+
+/* VRS Additional Kerberos5 entries
+ */
+#define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E
+#define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F
+#define SSL3_CK_KRB5_RC4_128_SHA 0x03000020
+#define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021
+#define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022
+#define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023
+#define SSL3_CK_KRB5_RC4_128_MD5 0x03000024
+#define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025
+
+#define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026
+#define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027
+#define SSL3_CK_KRB5_RC4_40_SHA 0x03000028
+#define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029
+#define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A
+#define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B
#define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5"
#define SSL3_TXT_RSA_NULL_SHA "NULL-SHA"
#define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA"
#define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA"
+#define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA"
+#define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA"
+#define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA"
+#define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA"
+#define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5"
+#define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5"
+#define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5"
+#define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5"
+
+#define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA"
+#define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA"
+#define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA"
+#define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5"
+#define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5"
+#define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5"
+
#define SSL3_SSL_SESSION_ID_LENGTH 32
#define SSL3_MAX_SSL_SESSION_ID_LENGTH 32
#define SSL3_RT_HEADER_LENGTH 5
/* Due to MS stuffing up, this can change.... */
-#if defined(WIN16) || (defined(MSDOS) && !defined(WIN32))
+#if defined(OPENSSL_SYS_WIN16) || \
+ (defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32))
#define SSL3_RT_MAX_EXTRA (14000)
#else
#define SSL3_RT_MAX_EXTRA (16384)
#endif
#define SSL3_RT_MAX_PLAIN_LENGTH 16384
+#ifdef OPENSSL_NO_COMP
+#define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH
+#else
#define SSL3_RT_MAX_COMPRESSED_LENGTH (1024+SSL3_RT_MAX_PLAIN_LENGTH)
+#endif
#define SSL3_RT_MAX_ENCRYPTED_LENGTH (1024+SSL3_RT_MAX_COMPRESSED_LENGTH)
#define SSL3_RT_MAX_PACKET_SIZE (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
#define SSL3_RT_MAX_DATA_SIZE (1024*1024)
/*rw*/ unsigned char *data; /* pointer to the record data */
/*rw*/ unsigned char *input; /* where the decode bytes are */
/*r */ unsigned char *comp; /* only used with decompression - malloc()ed */
+/*r */ unsigned long epoch; /* epoch number, needed by DTLS1 */
+/*r */ PQ_64BIT seq_num; /* sequence number, needed by DTLS1 */
} SSL3_RECORD;
typedef struct ssl3_buffer_st
{
- unsigned char *buf; /* SSL3_RT_MAX_PACKET_SIZE bytes (more if
- * SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER is set) */
- int offset; /* where to 'copy from' */
- int left; /* how many bytes left */
+ unsigned char *buf; /* at least SSL3_RT_MAX_PACKET_SIZE bytes,
+ * see ssl3_setup_buffers() */
+ size_t len; /* buffer size */
+ int offset; /* where to 'copy from' */
+ int left; /* how many bytes left */
} SSL3_BUFFER;
#define SSL3_CT_RSA_SIGN 1
#define SSL3_CT_RSA_EPHEMERAL_DH 5
#define SSL3_CT_DSS_EPHEMERAL_DH 6
#define SSL3_CT_FORTEZZA_DMS 20
-#define SSL3_CT_NUMBER 7
+/* SSL3_CT_NUMBER is used to size arrays and it must be large
+ * enough to contain all of the cert types defined either for
+ * SSLv3 and TLSv1.
+ */
+#define SSL3_CT_NUMBER 7
+
#define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
#define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002
#define SSL3_FLAGS_POP_BUFFER 0x0004
#define TLS1_FLAGS_TLS_PADDING_BUG 0x0008
+#define SSL3_FLAGS_CCS_OK 0x0080
+
+/* SSL3_FLAGS_SGC_RESTART_DONE is set when we
+ * restart a handshake because of MS SGC and so prevents us
+ * from restarting the handshake in a loop. It's reset on a
+ * renegotiation, so effectively limits the client to one restart
+ * per negotiation. This limits the possibility of a DDoS
+ * attack where the client handshakes in a loop using SGC to
+ * restart. Servers which permit renegotiation can still be
+ * effected, but we can't prevent that.
+ */
+#define SSL3_FLAGS_SGC_RESTART_DONE 0x0040
typedef struct ssl3_state_st
{
unsigned char server_random[SSL3_RANDOM_SIZE];
unsigned char client_random[SSL3_RANDOM_SIZE];
+ /* flags for countermeasure against known-IV weakness */
+ int need_empty_fragments;
+ int empty_fragment_done;
+
SSL3_BUFFER rbuf; /* read IO goes into here */
SSL3_BUFFER wbuf; /* write IO goes into here */
/* used to hold the new cipher we are going to use */
SSL_CIPHER *new_cipher;
-#ifndef NO_DH
+#ifndef OPENSSL_NO_DH
DH *dh;
#endif
+
+#ifndef OPENSSL_NO_ECDH
+ EC_KEY *ecdh; /* holds short lived ECDH key */
+#endif
+
/* used when SSL_ST_FLUSH_DATA is entered */
int next_state;
const EVP_CIPHER *new_sym_enc;
const EVP_MD *new_hash;
-#ifndef NO_COMP
+#ifndef OPENSSL_NO_COMP
const SSL_COMP *new_compression;
#else
char *new_compression;
int cert_request;
} tmp;
+ /* Connection binding to prevent renegotiation attacks */
+ unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
+ unsigned char previous_client_finished_len;
+ unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
+ unsigned char previous_server_finished_len;
+ int send_connection_binding; /* TODOEKR */
+
+#ifndef OPENSSL_NO_TLSEXT
+#ifndef OPENSSL_NO_EC
+ /* This is set to true if we believe that this is a version of Safari
+ * running on OS X 10.6 or newer. We wish to know this because Safari
+ * on 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. */
+ char is_probably_safari;
+#endif /* !OPENSSL_NO_EC */
+#endif /* !OPENSSL_NO_TLSEXT */
} SSL3_STATE;
+
/* SSLv3 */
/*client */
/* extra state */
/* read from server */
#define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT)
#define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT)
+#define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT)
+#define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT)
#define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT)
#define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT)
#define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT)
#define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT)
#define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT)
#define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT)
+#define SSL3_ST_CR_SESSION_TICKET_A (0x1E0|SSL_ST_CONNECT)
+#define SSL3_ST_CR_SESSION_TICKET_B (0x1E1|SSL_ST_CONNECT)
+#define SSL3_ST_CR_CERT_STATUS_A (0x1F0|SSL_ST_CONNECT)
+#define SSL3_ST_CR_CERT_STATUS_B (0x1F1|SSL_ST_CONNECT)
/* server */
/* extra state */
#define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT)
#define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT)
/* write to client */
+#define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT)
+#define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT)
#define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT)
#define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT)
#define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT)
#define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT)
#define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT)
#define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT)
+#define SSL3_ST_SW_SESSION_TICKET_A (0x1F0|SSL_ST_ACCEPT)
+#define SSL3_ST_SW_SESSION_TICKET_B (0x1F1|SSL_ST_ACCEPT)
+#define SSL3_ST_SW_CERT_STATUS_A (0x200|SSL_ST_ACCEPT)
+#define SSL3_ST_SW_CERT_STATUS_B (0x201|SSL_ST_ACCEPT)
#define SSL3_MT_HELLO_REQUEST 0
#define SSL3_MT_CLIENT_HELLO 1
#define SSL3_MT_SERVER_HELLO 2
+#define SSL3_MT_NEWSESSION_TICKET 4
#define SSL3_MT_CERTIFICATE 11
#define SSL3_MT_SERVER_KEY_EXCHANGE 12
#define SSL3_MT_CERTIFICATE_REQUEST 13
#define SSL3_MT_CERTIFICATE_VERIFY 15
#define SSL3_MT_CLIENT_KEY_EXCHANGE 16
#define SSL3_MT_FINISHED 20
+#define SSL3_MT_CERTIFICATE_STATUS 22
+#define DTLS1_MT_HELLO_VERIFY_REQUEST 3
+
#define SSL3_MT_CCS 1
projects / openssl.git / blobdiff