X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl3.h;h=29cb184c68a2b0dbb7131a0d876ecae98ea08675;hp=95772eef60c18da616aa7aaa451b2a24c0d7a837;hb=707b026d7871eb12c23671c975e6a15a8c331785;hpb=78414a6a897db42c9bcf06aa21c705811ab33921 diff --git a/ssl/ssl3.h b/ssl/ssl3.h index 95772eef60..29cb184c68 100644 --- a/ssl/ssl3.h +++ b/ssl/ssl3.h @@ -55,16 +55,82 @@ * 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 -#include "buffer.h" +#ifndef OPENSSL_NO_COMP +#include +#endif +#include +#include +#include #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 @@ -83,12 +149,18 @@ extern "C" { #define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F #define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010 -#define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011 -#define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012 -#define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013 -#define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014 -#define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015 -#define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016 +#define SSL3_CK_DHE_DSS_DES_40_CBC_SHA 0x03000011 +#define SSL3_CK_EDH_DSS_DES_40_CBC_SHA SSL3_CK_DHE_DSS_DES_40_CBC_SHA +#define SSL3_CK_DHE_DSS_DES_64_CBC_SHA 0x03000012 +#define SSL3_CK_EDH_DSS_DES_64_CBC_SHA SSL3_CK_DHE_DSS_DES_64_CBC_SHA +#define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA 0x03000013 +#define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA SSL3_CK_DHE_DSS_DES_192_CBC3_SHA +#define SSL3_CK_DHE_RSA_DES_40_CBC_SHA 0x03000014 +#define SSL3_CK_EDH_RSA_DES_40_CBC_SHA SSL3_CK_DHE_RSA_DES_40_CBC_SHA +#define SSL3_CK_DHE_RSA_DES_64_CBC_SHA 0x03000015 +#define SSL3_CK_EDH_RSA_DES_64_CBC_SHA SSL3_CK_DHE_RSA_DES_64_CBC_SHA +#define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA 0x03000016 +#define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA SSL3_CK_DHE_RSA_DES_192_CBC3_SHA #define SSL3_CK_ADH_RC4_40_MD5 0x03000017 #define SSL3_CK_ADH_RC4_128_MD5 0x03000018 @@ -96,9 +168,33 @@ extern "C" { #define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A #define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B -#define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C -#define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D -#define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E +#if 0 + #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 +#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" @@ -118,6 +214,17 @@ extern "C" { #define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" #define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" +#define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA" +#define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA" +#define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA" +#define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA" +#define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA" +#define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA" + +/* This next block of six "EDH" labels is for backward compatibility + with older versions of OpenSSL. New code should use the six "DHE" + labels above instead: + */ #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" @@ -131,9 +238,27 @@ extern "C" { #define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" #define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" -#define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA" -#define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA" -#define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA" +#if 0 + #define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA" + #define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA" + #define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA" +#endif + +#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 @@ -143,37 +268,70 @@ extern "C" { #define SSL3_SESSION_ID_SIZE 32 #define SSL3_RT_HEADER_LENGTH 5 -/* Due to MS stuffing up, this can change.... */ -#if defined(WIN16) || (defined(MSDOS) && !defined(WIN32)) -#define SSL3_RT_MAX_EXTRA (14000) +#define SSL3_HM_HEADER_LENGTH 4 + +#ifndef SSL3_ALIGN_PAYLOAD + /* Some will argue that this increases memory footprint, but it's + * not actually true. Point is that malloc has to return at least + * 64-bit aligned pointers, meaning that allocating 5 bytes wastes + * 3 bytes in either case. Suggested pre-gaping simply moves these + * wasted bytes from the end of allocated region to its front, + * but makes data payload aligned, which improves performance:-) */ +# define SSL3_ALIGN_PAYLOAD 8 #else -#define SSL3_RT_MAX_EXTRA (16384) +# if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0 +# error "insane SSL3_ALIGN_PAYLOAD" +# undef SSL3_ALIGN_PAYLOAD +# endif #endif +/* This is the maximum MAC (digest) size used by the SSL library. + * Currently maximum of 20 is used by SHA1, but we reserve for + * future extension for 512-bit hashes. + */ + +#define SSL3_RT_MAX_MD_SIZE 64 + +/* Maximum block size used in all ciphersuites. Currently 16 for AES. + */ + +#define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16 + +#define SSL3_RT_MAX_EXTRA (16384) + +/* Maximum plaintext length: defined by SSL/TLS standards */ #define SSL3_RT_MAX_PLAIN_LENGTH 16384 -#define SSL3_RT_MAX_COMPRESSED_LENGTH (1024+SSL3_RT_MAX_PLAIN_LENGTH) -#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) - -/* the states that a SSL3_RECORD can be in - * For SSL_read it goes - * rbuf->ENCODED -> read - * ENCODED -> we need to decode everything - call decode_record +/* Maximum compression overhead: defined by SSL/TLS standards */ +#define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024 + +/* The standards give a maximum encryption overhead of 1024 bytes. + * In practice the value is lower than this. The overhead is the maximum + * number of padding bytes (256) plus the mac size. */ - -#define SSL3_RS_BLANK 1 -#define SSL3_RS_DATA +#define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE) + +/* OpenSSL currently only uses a padding length of at most one block so + * the send overhead is smaller. + */ + +#define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \ + (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE) -#define SSL3_RS_ENCODED 2 -#define SSL3_RS_READ_MORE 3 -#define SSL3_RS_WRITE_MORE -#define SSL3_RS_PLAIN 3 -#define SSL3_RS_PART_READ 4 -#define SSL3_RS_PART_WRITE 5 +/* If compression isn't used don't include the compression overhead */ -#define SSL3_MD_CLIENT_FINISHED_CONST {0x43,0x4C,0x4E,0x54} -#define SSL3_MD_SERVER_FINISHED_CONST {0x53,0x52,0x56,0x52} +#ifdef OPENSSL_NO_COMP +#define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH +#else +#define SSL3_RT_MAX_COMPRESSED_LENGTH \ + (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD) +#endif +#define SSL3_RT_MAX_ENCRYPTED_LENGTH \ + (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH) +#define SSL3_RT_MAX_PACKET_SIZE \ + (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH) + +#define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" +#define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" #define SSL3_VERSION 0x0300 #define SSL3_VERSION_MAJOR 0x03 @@ -183,6 +341,24 @@ extern "C" { #define SSL3_RT_ALERT 21 #define SSL3_RT_HANDSHAKE 22 #define SSL3_RT_APPLICATION_DATA 23 +#define TLS1_RT_HEARTBEAT 24 + +/* Pseudo content types to indicate additional parameters */ +#define TLS1_RT_CRYPTO 0x1000 +#define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1) +#define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2) +#define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3) +#define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4) + +#define TLS1_RT_CRYPTO_READ 0x0000 +#define TLS1_RT_CRYPTO_WRITE 0x0100 +#define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5) +#define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6) +#define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7) +#define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8) + +/* Pseudo content type for SSL/TLS header info */ +#define SSL3_RT_HEADER 0x100 #define SSL3_AL_WARNING 1 #define SSL3_AL_FATAL 2 @@ -200,29 +376,37 @@ extern "C" { #define SSL3_AD_CERTIFICATE_UNKNOWN 46 #define SSL3_AD_ILLEGAL_PARAMETER 47 /* fatal */ +#define TLS1_HB_REQUEST 1 +#define TLS1_HB_RESPONSE 2 + +#ifndef OPENSSL_NO_SSL_INTERN + typedef struct ssl3_record_st { -/*r */ int type; /* type of record */ -/* */ /*int state;*/ /* any data in it? */ -/*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 */ -/*rw*/ unsigned char *comp; /* only used with decompression */ +/*r */ int type; /* type of record */ +/*rw*/ unsigned int length; /* How many bytes available */ +/*rw*/ unsigned int orig_len; /* How many bytes were available before padding + was removed? This is used to implement the + MAC check in constant time for CBC records. + */ +/*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 */ unsigned long epoch; /* epoch number, needed by DTLS1 */ +/*r */ unsigned char seq_num[8]; /* sequence number, needed by DTLS1 */ } SSL3_RECORD; typedef struct ssl3_buffer_st { -/*r */ int total; /* used in non-blocking writes */ -/*r */ int wanted; /* how many more bytes we need */ -/*rw*/ int left; /* how many bytes left */ -/*rw*/ int offset; /* where to 'copy from' */ -/*rw*/ unsigned char *buf; /* SSL3_RT_MAX_PACKET_SIZE bytes */ + 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; -typedef struct ssl3_compression_st { - int nothing; - } SSL3_COMPRESSION; +#endif #define SSL3_CT_RSA_SIGN 1 #define SSL3_CT_DSS_SIGN 2 @@ -231,81 +415,94 @@ typedef struct ssl3_compression_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 9 + #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 TLS1_FLAGS_TLS_PADDING_BUG 0x0008 +#define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010 +#define TLS1_FLAGS_KEEP_HANDSHAKE 0x0020 +#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 +/* Set if we encrypt then mac instead of usual mac then encrypt */ +#define TLS1_FLAGS_ENCRYPT_THEN_MAC 0x0100 -#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 +#ifndef OPENSSL_NO_SSL_INTERN -typedef struct ssl3_ctx_st +typedef struct ssl3_state_st { long flags; int delay_buf_pop_ret; unsigned char read_sequence[8]; + int read_mac_secret_size; unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; unsigned char write_sequence[8]; + int write_mac_secret_size; unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; 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; + + /* The value of 'extra' when the buffers were initialized */ + int init_extra; + 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 */ int wpend_tot; /* number bytes written */ int wpend_type; int wpend_ret; /* number of bytes submitted */ - char *wpend_buf; + const unsigned char *wpend_buf; /* used during startup, digest all incoming/outgoing packets */ - EVP_MD_CTX finish_dgst1; - EVP_MD_CTX finish_dgst2; - + BIO *handshake_buffer; + /* When set of handshake digests is determined, buffer is hashed + * and freed and MD_CTX-es for all required digests are stored in + * this array */ + EVP_MD_CTX **handshake_dgst; /* this is set whenerver we see a change_cipher_spec message * come in when we are not looking for one */ int change_cipher_spec; int warn_alert; int fatal_alert; - /* we alow one fatal and one warning alert to be outstanding, + /* we allow one fatal and one warning alert to be outstanding, * send close alert via the warning alert */ int alert_dispatch; - char send_alert[2]; + unsigned char send_alert[2]; /* This flag is set when we should renegotiate ASAP, basically when * there is no more data in the read or write buffers */ @@ -315,16 +512,36 @@ typedef struct ssl3_ctx_st int in_read_app_data; + /* Opaque PRF input as used for the current handshake. + * These fields are used only if TLSEXT_TYPE_opaque_prf_input is defined + * (otherwise, they are merely present to improve binary compatibility) */ + void *client_opaque_prf_input; + size_t client_opaque_prf_input_len; + void *server_opaque_prf_input; + size_t server_opaque_prf_input_len; + struct { - /* Actually only needs to be 16+20 for SSLv3 and 12 for TLS */ + /* actually only needs to be 16+20 */ + unsigned char cert_verify_md[EVP_MAX_MD_SIZE*2]; + + /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ unsigned char finish_md[EVP_MAX_MD_SIZE*2]; - + int finish_md_len; + unsigned char peer_finish_md[EVP_MAX_MD_SIZE*2]; + int peer_finish_md_len; + unsigned long message_size; int message_type; /* used to hold the new cipher we are going to use */ - SSL_CIPHER *new_cipher; + const SSL_CIPHER *new_cipher; +#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; @@ -335,30 +552,77 @@ typedef struct ssl3_ctx_st int cert_req; int ctype_num; char ctype[SSL3_CT_NUMBER]; - STACK *ca_names; + STACK_OF(X509_NAME) *ca_names; int use_rsa_tmp; int key_block_length; unsigned char *key_block; - EVP_CIPHER *new_sym_enc; - EVP_MD *new_hash; - SSL_COMPRESSION *new_compression; + const EVP_CIPHER *new_sym_enc; + const EVP_MD *new_hash; + int new_mac_pkey_type; + int new_mac_secret_size; +#ifndef OPENSSL_NO_COMP + const SSL_COMP *new_compression; +#else + char *new_compression; +#endif int cert_request; } tmp; - } SSL3_CTX; + + /* 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_NEXTPROTONEG + /* Set if we saw the Next Protocol Negotiation extension from our peer. */ + int next_proto_neg_seen; +#endif + +#ifndef OPENSSL_NO_TLSEXT + + /* ALPN information + * (we are in the process of transitioning from NPN to ALPN.) */ + + /* In a server these point to the selected ALPN protocol after the + * ClientHello has been processed. In a client these contain the + * protocol that the server selected once the ServerHello has been + * processed. */ + unsigned char *alpn_selected; + unsigned alpn_selected_len; + +#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; + +#endif /* SSLv3 */ /*client */ /* extra state */ #define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT) +#ifndef OPENSSL_NO_SCTP +#define DTLS1_SCTP_ST_CW_WRITE_SOCK (0x310|SSL_ST_CONNECT) +#define DTLS1_SCTP_ST_CR_READ_SOCK (0x320|SSL_ST_CONNECT) +#endif /* write to server */ #define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT) #define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT) /* 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) @@ -378,6 +642,10 @@ typedef struct ssl3_ctx_st #define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT) #define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT) #define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT) +#ifndef OPENSSL_NO_NEXTPROTONEG +#define SSL3_ST_CW_NEXT_PROTO_A (0x200|SSL_ST_CONNECT) +#define SSL3_ST_CW_NEXT_PROTO_B (0x201|SSL_ST_CONNECT) +#endif #define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT) #define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT) /* read from server */ @@ -385,16 +653,27 @@ typedef struct ssl3_ctx_st #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_SW_FLUSH (0x100|SSL_ST_ACCEPT) +#ifndef OPENSSL_NO_SCTP +#define DTLS1_SCTP_ST_SW_WRITE_SOCK (0x310|SSL_ST_ACCEPT) +#define DTLS1_SCTP_ST_SR_READ_SOCK (0x320|SSL_ST_ACCEPT) +#endif /* read from client */ /* Do not change the number values, they do matter */ #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_CLNT_HELLO_D (0x115|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) @@ -417,6 +696,10 @@ typedef struct ssl3_ctx_st #define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT) #define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT) #define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT) +#ifndef OPENSSL_NO_NEXTPROTONEG +#define SSL3_ST_SR_NEXT_PROTO_A (0x210|SSL_ST_ACCEPT) +#define SSL3_ST_SR_NEXT_PROTO_B (0x211|SSL_ST_ACCEPT) +#endif #define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT) #define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT) /* write to client */ @@ -424,10 +707,15 @@ typedef struct ssl3_ctx_st #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_CLIENT_REQUEST 0 +#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 @@ -435,6 +723,12 @@ typedef struct ssl3_ctx_st #define SSL3_MT_CERTIFICATE_VERIFY 15 #define SSL3_MT_CLIENT_KEY_EXCHANGE 16 #define SSL3_MT_FINISHED 20 +#define SSL3_MT_CERTIFICATE_STATUS 22 +#ifndef OPENSSL_NO_NEXTPROTONEG +#define SSL3_MT_NEXT_PROTO 67 +#endif +#define DTLS1_MT_HELLO_VERIFY_REQUEST 3 + #define SSL3_MT_CCS 1 @@ -452,4 +746,3 @@ typedef struct ssl3_ctx_st } #endif #endif -