williamr@2: /* ssl/ssl3.h */ williamr@2: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) williamr@2: * All rights reserved. williamr@2: * williamr@2: * This package is an SSL implementation written williamr@2: * by Eric Young (eay@cryptsoft.com). williamr@2: * The implementation was written so as to conform with Netscapes SSL. williamr@2: * williamr@2: * This library is free for commercial and non-commercial use as long as williamr@2: * the following conditions are aheared to. The following conditions williamr@2: * apply to all code found in this distribution, be it the RC4, RSA, williamr@2: * lhash, DES, etc., code; not just the SSL code. The SSL documentation williamr@2: * included with this distribution is covered by the same copyright terms williamr@2: * except that the holder is Tim Hudson (tjh@cryptsoft.com). williamr@2: * williamr@2: * Copyright remains Eric Young's, and as such any Copyright notices in williamr@2: * the code are not to be removed. williamr@2: * If this package is used in a product, Eric Young should be given attribution williamr@2: * as the author of the parts of the library used. williamr@2: * This can be in the form of a textual message at program startup or williamr@2: * in documentation (online or textual) provided with the package. williamr@2: * williamr@2: * Redistribution and use in source and binary forms, with or without williamr@2: * modification, are permitted provided that the following conditions williamr@2: * are met: williamr@2: * 1. Redistributions of source code must retain the copyright williamr@2: * notice, this list of conditions and the following disclaimer. williamr@2: * 2. Redistributions in binary form must reproduce the above copyright williamr@2: * notice, this list of conditions and the following disclaimer in the williamr@2: * documentation and/or other materials provided with the distribution. williamr@2: * 3. All advertising materials mentioning features or use of this software williamr@2: * must display the following acknowledgement: williamr@2: * "This product includes cryptographic software written by williamr@2: * Eric Young (eay@cryptsoft.com)" williamr@2: * The word 'cryptographic' can be left out if the rouines from the library williamr@2: * being used are not cryptographic related :-). williamr@2: * 4. If you include any Windows specific code (or a derivative thereof) from williamr@2: * the apps directory (application code) you must include an acknowledgement: williamr@2: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" williamr@2: * williamr@2: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND williamr@2: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE williamr@2: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE williamr@2: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE williamr@2: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL williamr@2: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS williamr@2: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) williamr@2: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT williamr@2: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY williamr@2: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF williamr@2: * SUCH DAMAGE. williamr@2: * williamr@2: * The licence and distribution terms for any publically available version or williamr@2: * derivative of this code cannot be changed. i.e. this code cannot simply be williamr@2: * copied and put under another distribution licence williamr@2: * [including the GNU Public Licence.] williamr@2: */ williamr@2: /* ==================================================================== williamr@2: * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. williamr@2: * williamr@2: * Redistribution and use in source and binary forms, with or without williamr@2: * modification, are permitted provided that the following conditions williamr@2: * are met: williamr@2: * williamr@2: * 1. Redistributions of source code must retain the above copyright williamr@2: * notice, this list of conditions and the following disclaimer. williamr@2: * williamr@2: * 2. Redistributions in binary form must reproduce the above copyright williamr@2: * notice, this list of conditions and the following disclaimer in williamr@2: * the documentation and/or other materials provided with the williamr@2: * distribution. williamr@2: * williamr@2: * 3. All advertising materials mentioning features or use of this williamr@2: * software must display the following acknowledgment: williamr@2: * "This product includes software developed by the OpenSSL Project williamr@2: * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" williamr@2: * williamr@2: * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to williamr@2: * endorse or promote products derived from this software without williamr@2: * prior written permission. For written permission, please contact williamr@2: * openssl-core@openssl.org. williamr@2: * williamr@2: * 5. Products derived from this software may not be called "OpenSSL" williamr@2: * nor may "OpenSSL" appear in their names without prior written williamr@2: * permission of the OpenSSL Project. williamr@2: * williamr@2: * 6. Redistributions of any form whatsoever must retain the following williamr@2: * acknowledgment: williamr@2: * "This product includes software developed by the OpenSSL Project williamr@2: * for use in the OpenSSL Toolkit (http://www.openssl.org/)" williamr@2: * williamr@2: * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY williamr@2: * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE williamr@2: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR williamr@2: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR williamr@2: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, williamr@2: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT williamr@2: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; williamr@2: * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) williamr@2: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, williamr@2: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) williamr@2: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED williamr@2: * OF THE POSSIBILITY OF SUCH DAMAGE. williamr@2: * ==================================================================== williamr@2: * williamr@2: * This product includes cryptographic software written by Eric Young williamr@2: * (eay@cryptsoft.com). This product includes software written by Tim williamr@2: * Hudson (tjh@cryptsoft.com). williamr@2: * williamr@2: */ williamr@2: /* ==================================================================== williamr@2: * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. williamr@2: * ECC cipher suite support in OpenSSL originally developed by williamr@2: * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. williamr@2: */ williamr@2: williamr@2: #ifndef HEADER_SSL3_H williamr@2: #define HEADER_SSL3_H williamr@2: williamr@2: #ifndef OPENSSL_NO_COMP williamr@2: #include williamr@2: #endif williamr@2: #include williamr@2: #include williamr@2: #include williamr@2: #include williamr@2: williamr@2: #ifdef __cplusplus williamr@2: extern "C" { williamr@2: #endif williamr@2: williamr@2: #define SSL3_CK_RSA_NULL_MD5 0x03000001 williamr@2: #define SSL3_CK_RSA_NULL_SHA 0x03000002 williamr@2: #define SSL3_CK_RSA_RC4_40_MD5 0x03000003 williamr@2: #define SSL3_CK_RSA_RC4_128_MD5 0x03000004 williamr@2: #define SSL3_CK_RSA_RC4_128_SHA 0x03000005 williamr@2: #define SSL3_CK_RSA_RC2_40_MD5 0x03000006 williamr@2: #define SSL3_CK_RSA_IDEA_128_SHA 0x03000007 williamr@2: #define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008 williamr@2: #define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009 williamr@2: #define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A williamr@2: williamr@2: #define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B williamr@2: #define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C williamr@2: #define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D williamr@2: #define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E williamr@2: #define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F williamr@2: #define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010 williamr@2: williamr@2: #define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011 williamr@2: #define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012 williamr@2: #define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013 williamr@2: #define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014 williamr@2: #define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015 williamr@2: #define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016 williamr@2: williamr@2: #define SSL3_CK_ADH_RC4_40_MD5 0x03000017 williamr@2: #define SSL3_CK_ADH_RC4_128_MD5 0x03000018 williamr@2: #define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019 williamr@2: #define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A williamr@2: #define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B williamr@2: williamr@2: #define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C williamr@2: #define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D williamr@2: #if 0 /* Because it clashes with KRB5, is never used any more, and is safe williamr@2: to remove according to David Hopwood williamr@2: of the ietf-tls list */ williamr@2: #define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E williamr@2: #endif williamr@2: williamr@2: /* VRS Additional Kerberos5 entries williamr@2: */ williamr@2: #define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E williamr@2: #define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F williamr@2: #define SSL3_CK_KRB5_RC4_128_SHA 0x03000020 williamr@2: #define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021 williamr@2: #define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022 williamr@2: #define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023 williamr@2: #define SSL3_CK_KRB5_RC4_128_MD5 0x03000024 williamr@2: #define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025 williamr@2: williamr@2: #define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026 williamr@2: #define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027 williamr@2: #define SSL3_CK_KRB5_RC4_40_SHA 0x03000028 williamr@2: #define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029 williamr@2: #define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A williamr@2: #define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B williamr@2: williamr@2: #define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5" williamr@2: #define SSL3_TXT_RSA_NULL_SHA "NULL-SHA" williamr@2: #define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" williamr@2: #define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" williamr@2: #define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" williamr@2: #define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" williamr@2: #define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" williamr@2: #define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" williamr@2: #define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" williamr@2: #define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" williamr@2: williamr@2: #define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" williamr@2: #define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" williamr@2: #define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" williamr@2: #define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" williamr@2: #define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" williamr@2: #define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" williamr@2: williamr@2: #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" williamr@2: #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" williamr@2: #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" williamr@2: #define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" williamr@2: #define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" williamr@2: #define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" williamr@2: williamr@2: #define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" williamr@2: #define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" williamr@2: #define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" williamr@2: #define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" williamr@2: #define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" williamr@2: williamr@2: #define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA" williamr@2: #define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA" williamr@2: #define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA" williamr@2: williamr@2: #define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA" williamr@2: #define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA" williamr@2: #define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA" williamr@2: #define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA" williamr@2: #define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5" williamr@2: #define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5" williamr@2: #define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5" williamr@2: #define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5" williamr@2: williamr@2: #define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA" williamr@2: #define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA" williamr@2: #define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA" williamr@2: #define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5" williamr@2: #define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5" williamr@2: #define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5" williamr@2: williamr@2: #define SSL3_SSL_SESSION_ID_LENGTH 32 williamr@2: #define SSL3_MAX_SSL_SESSION_ID_LENGTH 32 williamr@2: williamr@2: #define SSL3_MASTER_SECRET_SIZE 48 williamr@2: #define SSL3_RANDOM_SIZE 32 williamr@2: #define SSL3_SESSION_ID_SIZE 32 williamr@2: #define SSL3_RT_HEADER_LENGTH 5 williamr@2: williamr@2: /* Due to MS stuffing up, this can change.... */ williamr@2: #if defined(OPENSSL_SYS_WIN16) || \ williamr@2: (defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)) williamr@2: #define SSL3_RT_MAX_EXTRA (14000) williamr@2: #else williamr@2: #define SSL3_RT_MAX_EXTRA (16384) williamr@2: #endif williamr@2: williamr@2: #define SSL3_RT_MAX_PLAIN_LENGTH 16384 williamr@2: #ifdef OPENSSL_NO_COMP williamr@2: #define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH williamr@2: #else williamr@2: #define SSL3_RT_MAX_COMPRESSED_LENGTH (1024+SSL3_RT_MAX_PLAIN_LENGTH) williamr@2: #endif williamr@2: #define SSL3_RT_MAX_ENCRYPTED_LENGTH (1024+SSL3_RT_MAX_COMPRESSED_LENGTH) williamr@2: #define SSL3_RT_MAX_PACKET_SIZE (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH) williamr@2: #define SSL3_RT_MAX_DATA_SIZE (1024*1024) williamr@2: williamr@2: #define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" williamr@2: #define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" williamr@2: williamr@2: #define SSL3_VERSION 0x0300 williamr@2: #define SSL3_VERSION_MAJOR 0x03 williamr@2: #define SSL3_VERSION_MINOR 0x00 williamr@2: williamr@2: #define SSL3_RT_CHANGE_CIPHER_SPEC 20 williamr@2: #define SSL3_RT_ALERT 21 williamr@2: #define SSL3_RT_HANDSHAKE 22 williamr@2: #define SSL3_RT_APPLICATION_DATA 23 williamr@2: williamr@2: #define SSL3_AL_WARNING 1 williamr@2: #define SSL3_AL_FATAL 2 williamr@2: williamr@2: #define SSL3_AD_CLOSE_NOTIFY 0 williamr@2: #define SSL3_AD_UNEXPECTED_MESSAGE 10 /* fatal */ williamr@2: #define SSL3_AD_BAD_RECORD_MAC 20 /* fatal */ williamr@2: #define SSL3_AD_DECOMPRESSION_FAILURE 30 /* fatal */ williamr@2: #define SSL3_AD_HANDSHAKE_FAILURE 40 /* fatal */ williamr@2: #define SSL3_AD_NO_CERTIFICATE 41 williamr@2: #define SSL3_AD_BAD_CERTIFICATE 42 williamr@2: #define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 williamr@2: #define SSL3_AD_CERTIFICATE_REVOKED 44 williamr@2: #define SSL3_AD_CERTIFICATE_EXPIRED 45 williamr@2: #define SSL3_AD_CERTIFICATE_UNKNOWN 46 williamr@2: #define SSL3_AD_ILLEGAL_PARAMETER 47 /* fatal */ williamr@2: williamr@2: typedef struct ssl3_record_st williamr@2: { williamr@2: /*r */ int type; /* type of record */ williamr@2: /*rw*/ unsigned int length; /* How many bytes available */ williamr@2: /*r */ unsigned int off; /* read/write offset into 'buf' */ williamr@2: /*rw*/ unsigned char *data; /* pointer to the record data */ williamr@2: /*rw*/ unsigned char *input; /* where the decode bytes are */ williamr@2: /*r */ unsigned char *comp; /* only used with decompression - malloc()ed */ williamr@2: /*r */ unsigned long epoch; /* epoch number, needed by DTLS1 */ williamr@2: /*r */ PQ_64BIT seq_num; /* sequence number, needed by DTLS1 */ williamr@2: } SSL3_RECORD; williamr@2: williamr@2: typedef struct ssl3_buffer_st williamr@2: { williamr@2: unsigned char *buf; /* at least SSL3_RT_MAX_PACKET_SIZE bytes, williamr@2: * see ssl3_setup_buffers() */ williamr@2: size_t len; /* buffer size */ williamr@2: int offset; /* where to 'copy from' */ williamr@2: int left; /* how many bytes left */ williamr@2: } SSL3_BUFFER; williamr@2: williamr@2: #define SSL3_CT_RSA_SIGN 1 williamr@2: #define SSL3_CT_DSS_SIGN 2 williamr@2: #define SSL3_CT_RSA_FIXED_DH 3 williamr@2: #define SSL3_CT_DSS_FIXED_DH 4 williamr@2: #define SSL3_CT_RSA_EPHEMERAL_DH 5 williamr@2: #define SSL3_CT_DSS_EPHEMERAL_DH 6 williamr@2: #define SSL3_CT_FORTEZZA_DMS 20 williamr@2: /* SSL3_CT_NUMBER is used to size arrays and it must be large williamr@2: * enough to contain all of the cert types defined either for williamr@2: * SSLv3 and TLSv1. williamr@2: */ williamr@2: #define SSL3_CT_NUMBER 7 williamr@2: williamr@2: williamr@2: #define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001 williamr@2: #define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002 williamr@2: #define SSL3_FLAGS_POP_BUFFER 0x0004 williamr@2: #define TLS1_FLAGS_TLS_PADDING_BUG 0x0008 williamr@2: williamr@2: typedef struct ssl3_state_st williamr@2: { williamr@2: long flags; williamr@2: int delay_buf_pop_ret; williamr@2: williamr@2: unsigned char read_sequence[8]; williamr@2: unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; williamr@2: unsigned char write_sequence[8]; williamr@2: unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; williamr@2: williamr@2: unsigned char server_random[SSL3_RANDOM_SIZE]; williamr@2: unsigned char client_random[SSL3_RANDOM_SIZE]; williamr@2: williamr@2: /* flags for countermeasure against known-IV weakness */ williamr@2: int need_empty_fragments; williamr@2: int empty_fragment_done; williamr@2: williamr@2: SSL3_BUFFER rbuf; /* read IO goes into here */ williamr@2: SSL3_BUFFER wbuf; /* write IO goes into here */ williamr@2: williamr@2: SSL3_RECORD rrec; /* each decoded record goes in here */ williamr@2: SSL3_RECORD wrec; /* goes out from here */ williamr@2: williamr@2: /* storage for Alert/Handshake protocol data received but not williamr@2: * yet processed by ssl3_read_bytes: */ williamr@2: unsigned char alert_fragment[2]; williamr@2: unsigned int alert_fragment_len; williamr@2: unsigned char handshake_fragment[4]; williamr@2: unsigned int handshake_fragment_len; williamr@2: williamr@2: /* partial write - check the numbers match */ williamr@2: unsigned int wnum; /* number of bytes sent so far */ williamr@2: int wpend_tot; /* number bytes written */ williamr@2: int wpend_type; williamr@2: int wpend_ret; /* number of bytes submitted */ williamr@2: const unsigned char *wpend_buf; williamr@2: williamr@2: /* used during startup, digest all incoming/outgoing packets */ williamr@2: EVP_MD_CTX finish_dgst1; williamr@2: EVP_MD_CTX finish_dgst2; williamr@2: williamr@2: /* this is set whenerver we see a change_cipher_spec message williamr@2: * come in when we are not looking for one */ williamr@2: int change_cipher_spec; williamr@2: williamr@2: int warn_alert; williamr@2: int fatal_alert; williamr@2: /* we allow one fatal and one warning alert to be outstanding, williamr@2: * send close alert via the warning alert */ williamr@2: int alert_dispatch; williamr@2: unsigned char send_alert[2]; williamr@2: williamr@2: /* This flag is set when we should renegotiate ASAP, basically when williamr@2: * there is no more data in the read or write buffers */ williamr@2: int renegotiate; williamr@2: int total_renegotiations; williamr@2: int num_renegotiations; williamr@2: williamr@2: int in_read_app_data; williamr@2: williamr@2: struct { williamr@2: /* actually only needs to be 16+20 */ williamr@2: unsigned char cert_verify_md[EVP_MAX_MD_SIZE*2]; williamr@2: williamr@2: /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ williamr@2: unsigned char finish_md[EVP_MAX_MD_SIZE*2]; williamr@2: int finish_md_len; williamr@2: unsigned char peer_finish_md[EVP_MAX_MD_SIZE*2]; williamr@2: int peer_finish_md_len; williamr@2: williamr@2: unsigned long message_size; williamr@2: int message_type; williamr@2: williamr@2: /* used to hold the new cipher we are going to use */ williamr@2: SSL_CIPHER *new_cipher; williamr@2: #ifndef OPENSSL_NO_DH williamr@2: DH *dh; williamr@2: #endif williamr@2: williamr@2: #ifndef OPENSSL_NO_ECDH williamr@2: EC_KEY *ecdh; /* holds short lived ECDH key */ williamr@2: #endif williamr@2: williamr@2: /* used when SSL_ST_FLUSH_DATA is entered */ williamr@2: int next_state; williamr@2: williamr@2: int reuse_message; williamr@2: williamr@2: /* used for certificate requests */ williamr@2: int cert_req; williamr@2: int ctype_num; williamr@2: char ctype[SSL3_CT_NUMBER]; williamr@2: STACK_OF(X509_NAME) *ca_names; williamr@2: williamr@2: int use_rsa_tmp; williamr@2: williamr@2: int key_block_length; williamr@2: unsigned char *key_block; williamr@2: williamr@2: const EVP_CIPHER *new_sym_enc; williamr@2: const EVP_MD *new_hash; williamr@2: #ifndef OPENSSL_NO_COMP williamr@2: const SSL_COMP *new_compression; williamr@2: #else williamr@2: char *new_compression; williamr@2: #endif williamr@2: int cert_request; williamr@2: } tmp; williamr@2: williamr@2: } SSL3_STATE; williamr@2: williamr@2: williamr@2: /* SSLv3 */ williamr@2: /*client */ williamr@2: /* extra state */ williamr@2: #define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT) williamr@2: /* write to server */ williamr@2: #define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT) williamr@2: /* read from server */ williamr@2: #define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT) williamr@2: #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT) williamr@2: #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT) williamr@2: /* write to server */ williamr@2: #define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT) williamr@2: /* read from server */ williamr@2: #define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_SESSION_TICKET_A (0x1E0|SSL_ST_CONNECT) williamr@2: #define SSL3_ST_CR_SESSION_TICKET_B (0x1E1|SSL_ST_CONNECT) williamr@2: williamr@2: /* server */ williamr@2: /* extra state */ williamr@2: #define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT) williamr@2: /* read from client */ williamr@2: /* Do not change the number values, they do matter */ williamr@2: #define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT) williamr@2: /* write to client */ williamr@2: #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT) williamr@2: #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT) williamr@2: /* read from client */ williamr@2: #define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT) williamr@2: /* write to client */ williamr@2: #define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_SESSION_TICKET_A (0x1F0|SSL_ST_ACCEPT) williamr@2: #define SSL3_ST_SW_SESSION_TICKET_B (0x1F1|SSL_ST_ACCEPT) williamr@2: williamr@2: #define SSL3_MT_HELLO_REQUEST 0 williamr@2: #define SSL3_MT_CLIENT_HELLO 1 williamr@2: #define SSL3_MT_SERVER_HELLO 2 williamr@2: #define SSL3_MT_NEWSESSION_TICKET 4 williamr@2: #define SSL3_MT_CERTIFICATE 11 williamr@2: #define SSL3_MT_SERVER_KEY_EXCHANGE 12 williamr@2: #define SSL3_MT_CERTIFICATE_REQUEST 13 williamr@2: #define SSL3_MT_SERVER_DONE 14 williamr@2: #define SSL3_MT_CERTIFICATE_VERIFY 15 williamr@2: #define SSL3_MT_CLIENT_KEY_EXCHANGE 16 williamr@2: #define SSL3_MT_FINISHED 20 williamr@2: #define DTLS1_MT_HELLO_VERIFY_REQUEST 3 williamr@2: williamr@2: williamr@2: #define SSL3_MT_CCS 1 williamr@2: williamr@2: /* These are used when changing over to a new cipher */ williamr@2: #define SSL3_CC_READ 0x01 williamr@2: #define SSL3_CC_WRITE 0x02 williamr@2: #define SSL3_CC_CLIENT 0x10 williamr@2: #define SSL3_CC_SERVER 0x20 williamr@2: #define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE) williamr@2: #define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ) williamr@2: #define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ) williamr@2: #define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE) williamr@2: williamr@2: #ifdef __cplusplus williamr@2: } williamr@2: #endif williamr@2: #endif williamr@2: