X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl3.h;h=52a38ae834ac68ccbed8f364f44cdc334297d58d;hp=88a04b457c81ad7e35695ea4b4533b15f91ea3f7;hb=ef0baf60aa899a2a5c5c906a01f91e20e7052c70;hpb=657e60fa00ddde3618600d6306be913214d30457 diff --git a/ssl/ssl3.h b/ssl/ssl3.h index 88a04b457c..52a38ae834 100644 --- a/ssl/ssl3.h +++ b/ssl/ssl3.h @@ -55,10 +55,71 @@ * 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 OPENSSL_NO_COMP +#include +#endif #include #include #include @@ -100,7 +161,29 @@ extern "C" { #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 + 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" @@ -137,6 +220,22 @@ extern "C" { #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_SHA "KRB5-DES-CBC3-SHA" +#define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5" +#define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA" + +#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_DES_40_CBC_MD5 "EXP-KRB5-DES-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 @@ -146,7 +245,8 @@ extern "C" { #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) @@ -188,20 +288,21 @@ extern "C" { typedef struct ssl3_record_st { -/*r */ int type; /* type of record */ -/*rw*/ unsigned int length; /* How many bytes available */ -/*r */ unsigned int off; /* read/write offset into 'buf' */ -/*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 */ int type; /* type of record */ +/*rw*/ unsigned int length; /* How many bytes available */ +/*r */ unsigned int off; /* read/write offset into 'buf' */ +/*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 */ } 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 @@ -211,41 +312,19 @@ typedef struct ssl3_buffer_st #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 -#if 0 -#define AD_CLOSE_NOTIFY 0 -#define AD_UNEXPECTED_MESSAGE 1 -#define AD_BAD_RECORD_MAC 2 -#define AD_DECRYPTION_FAILED 3 -#define AD_RECORD_OVERFLOW 4 -#define AD_DECOMPRESSION_FAILURE 5 /* fatal */ -#define AD_HANDSHAKE_FAILURE 6 /* fatal */ -#define AD_NO_CERTIFICATE 7 /* Not under TLS */ -#define AD_BAD_CERTIFICATE 8 -#define AD_UNSUPPORTED_CERTIFICATE 9 -#define AD_CERTIFICATE_REVOKED 10 -#define AD_CERTIFICATE_EXPIRED 11 -#define AD_CERTIFICATE_UNKNOWN 12 -#define AD_ILLEGAL_PARAMETER 13 /* fatal */ -#define AD_UNKNOWN_CA 14 /* fatal */ -#define AD_ACCESS_DENIED 15 /* fatal */ -#define AD_DECODE_ERROR 16 /* fatal */ -#define AD_DECRYPT_ERROR 17 -#define AD_EXPORT_RESTRICION 18 /* fatal */ -#define AD_PROTOCOL_VERSION 19 /* fatal */ -#define AD_INSUFFICIENT_SECURITY 20 /* fatal */ -#define AD_INTERNAL_ERROR 21 /* fatal */ -#define AD_USER_CANCLED 22 -#define AD_NO_RENEGOTIATION 23 -#endif - -typedef struct ssl3_ctx_st +typedef struct ssl3_state_st { long flags; int delay_buf_pop_ret; @@ -258,12 +337,22 @@ typedef struct ssl3_ctx_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 */ + SSL3_RECORD rrec; /* each decoded record goes in here */ SSL3_RECORD wrec; /* goes out from here */ - /* Used by ssl3_read_n to point - * to input data packet */ + + /* storage for Alert/Handshake protocol data received but not + * yet processed by ssl3_read_bytes: */ + unsigned char alert_fragment[2]; + unsigned int alert_fragment_len; + unsigned char handshake_fragment[4]; + unsigned int handshake_fragment_len; /* partial write - check the numbers match */ unsigned int wnum; /* number of bytes sent so far */ @@ -310,9 +399,14 @@ typedef struct ssl3_ctx_st /* 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; @@ -331,7 +425,7 @@ typedef struct ssl3_ctx_st const EVP_CIPHER *new_sym_enc; const EVP_MD *new_hash; -#ifdef HEADER_COMP_H +#ifndef OPENSSL_NO_COMP const SSL_COMP *new_compression; #else char *new_compression; @@ -339,7 +433,7 @@ typedef struct ssl3_ctx_st int cert_request; } tmp; - } SSL3_CTX; + } SSL3_STATE; /* SSLv3 */ /*client */ @@ -386,7 +480,6 @@ typedef struct ssl3_ctx_st #define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT) #define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT) #define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT) -#define SSL3_ST_SR_MS_SGC (0x113|SSL_ST_ACCEPT) /* write to client */ #define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT) #define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT)