diff options
Diffstat (limited to 'openssl/include/openssl/ssl3.h')
| -rw-r--r-- | openssl/include/openssl/ssl3.h | 664 |
1 files changed, 664 insertions, 0 deletions
diff --git a/openssl/include/openssl/ssl3.h b/openssl/include/openssl/ssl3.h new file mode 100644 index 0000000..f9268c5 --- /dev/null +++ b/openssl/include/openssl/ssl3.h @@ -0,0 +1,664 @@ +/* ssl/ssl3.h */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * 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 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 acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS 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 AUTHOR OR 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. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * 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 <openssl/comp.h> +#endif +#include <openssl/buffer.h> +#include <openssl/evp.h> +#include <openssl/ssl.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_RSA_RC4_128_MD5 0x03000004 +#define SSL3_CK_RSA_RC4_128_SHA 0x03000005 +#define SSL3_CK_RSA_RC2_40_MD5 0x03000006 +#define SSL3_CK_RSA_IDEA_128_SHA 0x03000007 +#define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008 +#define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009 +#define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A + +#define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B +#define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C +#define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D +#define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E +#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_ADH_RC4_40_MD5 0x03000017 +#define SSL3_CK_ADH_RC4_128_MD5 0x03000018 +#define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019 +#define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A +#define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B + +#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 <david.hopwood@zetnet.co.uk> + 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" +#define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" +#define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" +#define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" +#define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" +#define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" +#define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" +#define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" +#define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" + +#define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" +#define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" +#define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" +#define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" +#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_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" +#define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" +#define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" +#define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" + +#define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" +#define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" +#define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" +#define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" +#define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-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 + +#define SSL3_MASTER_SECRET_SIZE 48 +#define SSL3_RANDOM_SIZE 32 +#define SSL3_SESSION_ID_SIZE 32 +#define SSL3_RT_HEADER_LENGTH 5 + +#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 +# 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) + +/* Default buffer length used for writen records. Thus a generated record + * will contain plaintext no larger than this value. */ +#define SSL3_RT_DEFAULT_PLAIN_LENGTH 2048 +/* Maximum plaintext length: defined by SSL/TLS standards */ +#define SSL3_RT_MAX_PLAIN_LENGTH 16384 +/* 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_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) + +/* If compression isn't used don't include the compression overhead */ + +#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) + +/* Extra space for empty fragment, headers, MAC, and padding. */ +#define SSL3_RT_DEFAULT_WRITE_OVERHEAD 256 +#define SSL3_RT_DEFAULT_PACKET_SIZE 4096 - SSL3_RT_DEFAULT_WRITE_OVERHEAD +#if SSL3_RT_DEFAULT_PLAIN_LENGTH + SSL3_RT_DEFAULT_WRITE_OVERHEAD > SSL3_RT_DEFAULT_PACKET_SIZE +#error "Insufficient space allocated for write buffers." +#endif + +#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 +#define SSL3_VERSION_MINOR 0x00 + +#define SSL3_RT_CHANGE_CIPHER_SPEC 20 +#define SSL3_RT_ALERT 21 +#define SSL3_RT_HANDSHAKE 22 +#define SSL3_RT_APPLICATION_DATA 23 + +#define SSL3_AL_WARNING 1 +#define SSL3_AL_FATAL 2 + +#define SSL3_AD_CLOSE_NOTIFY 0 +#define SSL3_AD_UNEXPECTED_MESSAGE 10 /* fatal */ +#define SSL3_AD_BAD_RECORD_MAC 20 /* fatal */ +#define SSL3_AD_DECOMPRESSION_FAILURE 30 /* fatal */ +#define SSL3_AD_HANDSHAKE_FAILURE 40 /* fatal */ +#define SSL3_AD_NO_CERTIFICATE 41 +#define SSL3_AD_BAD_CERTIFICATE 42 +#define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 +#define SSL3_AD_CERTIFICATE_REVOKED 44 +#define SSL3_AD_CERTIFICATE_EXPIRED 45 +#define SSL3_AD_CERTIFICATE_UNKNOWN 46 +#define SSL3_AD_ILLEGAL_PARAMETER 47 /* fatal */ + +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 */ 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 + { + 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_DSS_SIGN 2 +#define SSL3_CT_RSA_FIXED_DH 3 +#define SSL3_CT_DSS_FIXED_DH 4 +#define SSL3_CT_RSA_EPHEMERAL_DH 5 +#define SSL3_CT_DSS_EPHEMERAL_DH 6 +#define SSL3_CT_FORTEZZA_DMS 20 +/* 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_SKIP_CERT_VERIFY 0x0010 + +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 */ + + /* 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 */ + const unsigned char *wpend_buf; + + /* used during startup, digest all incoming/outgoing packets */ + 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 allow one fatal and one warning alert to be outstanding, + * send close alert via the warning alert */ + int alert_dispatch; + 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 */ + int renegotiate; + int total_renegotiations; + int num_renegotiations; + + 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; + +#ifndef OPENSSL_NO_NEXTPROTONEG + /* Set if we saw the Next Protocol Negotiation extension from + our peer. */ + int next_proto_neg_seen; +#endif + + struct { + /* 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 */ + 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; + + int reuse_message; + + /* used for certificate requests */ + int cert_req; + int ctype_num; + char ctype[SSL3_CT_NUMBER]; + STACK_OF(X509_NAME) *ca_names; + + int use_rsa_tmp; + + int key_block_length; + unsigned char *key_block; + + 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; + + /* 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 */ + } SSL3_STATE; + + +/* SSLv3 */ +/*client */ +/* extra state */ +#define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT) +#define SSL3_ST_CUTTHROUGH_COMPLETE (0x101|SSL_ST_CONNECT) +/* 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) +#define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT) +#define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT) +#define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT) +#define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT) +#define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT) +/* write to server */ +#define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT) +#define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT) +#define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT) +#define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT) +#define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT) +#define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT) +#define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT) +#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 */ +#define SSL3_ST_CR_CHANGE_A (0x1C0|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_SW_FLUSH (0x100|SSL_ST_ACCEPT) +/* 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) +/* 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_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT) +#define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT) +#define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT) +#define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT) +#define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT) +#define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT) +#define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT) +#define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT) +#define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT) +#define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT) +/* read from client */ +#define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT) +#define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT) +#define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT) +#define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT) +#define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT) +#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 */ +#define SSL3_ST_SW_CHANGE_A (0x1D0|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_SERVER_DONE 14 +#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 + +/* These are used when changing over to a new cipher */ +#define SSL3_CC_READ 0x01 +#define SSL3_CC_WRITE 0x02 +#define SSL3_CC_CLIENT 0x10 +#define SSL3_CC_SERVER 0x20 +#define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE) +#define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ) +#define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ) +#define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE) + +#ifdef __cplusplus +} +#endif +#endif |