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Diffstat (limited to 'openssl/ssl/ssl_locl.h')
| -rw-r--r-- | openssl/ssl/ssl_locl.h | 982 |
1 files changed, 982 insertions, 0 deletions
diff --git a/openssl/ssl/ssl_locl.h b/openssl/ssl/ssl_locl.h new file mode 100644 index 000000000..ed4ddbbae --- /dev/null +++ b/openssl/ssl/ssl_locl.h @@ -0,0 +1,982 @@ +/* ssl/ssl_locl.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) 1998-2001 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_SSL_LOCL_H +#define HEADER_SSL_LOCL_H +#include <stdlib.h> +#include <time.h> +#include <string.h> +#include <errno.h> + +#include "e_os.h" + +#include <openssl/buffer.h> +#ifndef OPENSSL_NO_COMP +#include <openssl/comp.h> +#endif +#include <openssl/bio.h> +#include <openssl/stack.h> +#ifndef OPENSSL_NO_RSA +#include <openssl/rsa.h> +#endif +#ifndef OPENSSL_NO_DSA +#include <openssl/dsa.h> +#endif +#include <openssl/err.h> +#include <openssl/ssl.h> +#include <openssl/symhacks.h> + +#ifdef OPENSSL_BUILD_SHLIBSSL +# undef OPENSSL_EXTERN +# define OPENSSL_EXTERN OPENSSL_EXPORT +#endif + +#define PKCS1_CHECK + +#define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ + l|=(((unsigned long)(*((c)++)))<< 8), \ + l|=(((unsigned long)(*((c)++)))<<16), \ + l|=(((unsigned long)(*((c)++)))<<24)) + +/* NOTE - c is not incremented as per c2l */ +#define c2ln(c,l1,l2,n) { \ + c+=n; \ + l1=l2=0; \ + switch (n) { \ + case 8: l2 =((unsigned long)(*(--(c))))<<24; \ + case 7: l2|=((unsigned long)(*(--(c))))<<16; \ + case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ + case 5: l2|=((unsigned long)(*(--(c)))); \ + case 4: l1 =((unsigned long)(*(--(c))))<<24; \ + case 3: l1|=((unsigned long)(*(--(c))))<<16; \ + case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ + case 1: l1|=((unsigned long)(*(--(c)))); \ + } \ + } + +#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16)&0xff), \ + *((c)++)=(unsigned char)(((l)>>24)&0xff)) + +#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ + l|=((unsigned long)(*((c)++)))<<16, \ + l|=((unsigned long)(*((c)++)))<< 8, \ + l|=((unsigned long)(*((c)++)))) + +#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16)&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ + *((c)++)=(unsigned char)(((l) )&0xff)) + +#define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ + *((c)++)=(unsigned char)(((l)>>32)&0xff), \ + *((c)++)=(unsigned char)(((l)>>24)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16)&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ + *((c)++)=(unsigned char)(((l) )&0xff)) + +#define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ + l|=((BN_ULLONG)(*((c)++)))<<32, \ + l|=((BN_ULLONG)(*((c)++)))<<24, \ + l|=((BN_ULLONG)(*((c)++)))<<16, \ + l|=((BN_ULLONG)(*((c)++)))<< 8, \ + l|=((BN_ULLONG)(*((c)++)))) + +/* NOTE - c is not incremented as per l2c */ +#define l2cn(l1,l2,c,n) { \ + c+=n; \ + switch (n) { \ + case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ + case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ + case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ + case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ + case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ + case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ + case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ + case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ + } \ + } + +#define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ + (((unsigned int)(c[1])) )),c+=2) +#define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ + c[1]=(unsigned char)(((s) )&0xff)),c+=2) + +#define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ + (((unsigned long)(c[1]))<< 8)| \ + (((unsigned long)(c[2])) )),c+=3) + +#define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ + c[1]=(unsigned char)(((l)>> 8)&0xff), \ + c[2]=(unsigned char)(((l) )&0xff)),c+=3) + +/* LOCAL STUFF */ + +#define SSL_DECRYPT 0 +#define SSL_ENCRYPT 1 + +#define TWO_BYTE_BIT 0x80 +#define SEC_ESC_BIT 0x40 +#define TWO_BYTE_MASK 0x7fff +#define THREE_BYTE_MASK 0x3fff + +#define INC32(a) ((a)=((a)+1)&0xffffffffL) +#define DEC32(a) ((a)=((a)-1)&0xffffffffL) +#define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ + +/* + * Define the Bitmasks for SSL_CIPHER.algorithms. + * This bits are used packed as dense as possible. If new methods/ciphers + * etc will be added, the bits a likely to change, so this information + * is for internal library use only, even though SSL_CIPHER.algorithms + * can be publicly accessed. + * Use the according functions for cipher management instead. + * + * The bit mask handling in the selection and sorting scheme in + * ssl_create_cipher_list() has only limited capabilities, reflecting + * that the different entities within are mutually exclusive: + * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. + */ +#define SSL_MKEY_MASK 0x000000FFL +#define SSL_kRSA 0x00000001L /* RSA key exchange */ +#define SSL_kDHr 0x00000002L /* DH cert RSA CA cert */ +#define SSL_kDHd 0x00000004L /* DH cert DSA CA cert */ +#define SSL_kFZA 0x00000008L +#define SSL_kEDH 0x00000010L /* tmp DH key no DH cert */ +#define SSL_kKRB5 0x00000020L /* Kerberos5 key exchange */ +#define SSL_kECDH 0x00000040L /* ECDH w/ long-term keys */ +#define SSL_kECDHE 0x00000080L /* ephemeral ECDH */ +#define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL)) + +#define SSL_AUTH_MASK 0x00007F00L +#define SSL_aRSA 0x00000100L /* Authenticate with RSA */ +#define SSL_aDSS 0x00000200L /* Authenticate with DSS */ +#define SSL_DSS SSL_aDSS +#define SSL_aFZA 0x00000400L +#define SSL_aNULL 0x00000800L /* no Authenticate, ADH */ +#define SSL_aDH 0x00001000L /* no Authenticate, ADH */ +#define SSL_aKRB5 0x00002000L /* Authenticate with KRB5 */ +#define SSL_aECDSA 0x00004000L /* Authenticate with ECDSA */ + +#define SSL_NULL (SSL_eNULL) +#define SSL_ADH (SSL_kEDH|SSL_aNULL) +#define SSL_RSA (SSL_kRSA|SSL_aRSA) +#define SSL_DH (SSL_kDHr|SSL_kDHd|SSL_kEDH) +#define SSL_ECDH (SSL_kECDH|SSL_kECDHE) +#define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA) +#define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5) + +#define SSL_ENC_MASK 0x1C3F8000L +#define SSL_DES 0x00008000L +#define SSL_3DES 0x00010000L +#define SSL_RC4 0x00020000L +#define SSL_RC2 0x00040000L +#define SSL_IDEA 0x00080000L +#define SSL_eFZA 0x00100000L +#define SSL_eNULL 0x00200000L +#define SSL_AES 0x04000000L +#define SSL_CAMELLIA 0x08000000L +#define SSL_SEED 0x10000000L + +#define SSL_MAC_MASK 0x00c00000L +#define SSL_MD5 0x00400000L +#define SSL_SHA1 0x00800000L +#define SSL_SHA (SSL_SHA1) + +#define SSL_SSL_MASK 0x03000000L +#define SSL_SSLV2 0x01000000L +#define SSL_SSLV3 0x02000000L +#define SSL_TLSV1 SSL_SSLV3 /* for now */ + +/* we have used 1fffffff - 3 bits left to go. */ + +/* + * Export and cipher strength information. For each cipher we have to decide + * whether it is exportable or not. This information is likely to change + * over time, since the export control rules are no static technical issue. + * + * Independent of the export flag the cipher strength is sorted into classes. + * SSL_EXP40 was denoting the 40bit US export limit of past times, which now + * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change + * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, + * since SSL_EXP64 could be similar to SSL_LOW. + * For this reason SSL_MICRO and SSL_MINI macros are included to widen the + * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed + * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would + * be possible. + */ +#define SSL_EXP_MASK 0x00000003L +#define SSL_NOT_EXP 0x00000001L +#define SSL_EXPORT 0x00000002L + +#define SSL_STRONG_MASK 0x000000fcL +#define SSL_STRONG_NONE 0x00000004L +#define SSL_EXP40 0x00000008L +#define SSL_MICRO (SSL_EXP40) +#define SSL_EXP56 0x00000010L +#define SSL_MINI (SSL_EXP56) +#define SSL_LOW 0x00000020L +#define SSL_MEDIUM 0x00000040L +#define SSL_HIGH 0x00000080L +#define SSL_FIPS 0x00000100L + +/* we have used 000001ff - 23 bits left to go */ + +/* + * Macros to check the export status and cipher strength for export ciphers. + * Even though the macros for EXPORT and EXPORT40/56 have similar names, + * their meaning is different: + * *_EXPORT macros check the 'exportable' status. + * *_EXPORT40/56 macros are used to check whether a certain cipher strength + * is given. + * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct + * algorithm structure element to be passed (algorithms, algo_strength) and no + * typechecking can be done as they are all of type unsigned long, their + * direct usage is discouraged. + * Use the SSL_C_* macros instead. + */ +#define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) +#define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) +#define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) +#define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) +#define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) +#define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) + +#define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ + ((a)&SSL_ENC_MASK) == SSL_DES ? 8 : 7) +#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) +#define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithms, \ + (c)->algo_strength) +#define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) + + +#define SSL_ALL 0xffffffffL +#define SSL_ALL_CIPHERS (SSL_MKEY_MASK|SSL_AUTH_MASK|SSL_ENC_MASK|\ + SSL_MAC_MASK) +#define SSL_ALL_STRENGTHS (SSL_EXP_MASK|SSL_STRONG_MASK) + +/* Mostly for SSLv3 */ +#define SSL_PKEY_RSA_ENC 0 +#define SSL_PKEY_RSA_SIGN 1 +#define SSL_PKEY_DSA_SIGN 2 +#define SSL_PKEY_DH_RSA 3 +#define SSL_PKEY_DH_DSA 4 +#define SSL_PKEY_ECC 5 +#define SSL_PKEY_NUM 6 + +/* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | + * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) + * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) + * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN + * SSL_aRSA <- RSA_ENC | RSA_SIGN + * SSL_aDSS <- DSA_SIGN + */ + +/* +#define CERT_INVALID 0 +#define CERT_PUBLIC_KEY 1 +#define CERT_PRIVATE_KEY 2 +*/ + +#ifndef OPENSSL_NO_EC +/* From ECC-TLS draft, used in encoding the curve type in + * ECParameters + */ +#define EXPLICIT_PRIME_CURVE_TYPE 1 +#define EXPLICIT_CHAR2_CURVE_TYPE 2 +#define NAMED_CURVE_TYPE 3 +#endif /* OPENSSL_NO_EC */ + +typedef struct cert_pkey_st + { + X509 *x509; + EVP_PKEY *privatekey; + } CERT_PKEY; + +typedef struct cert_st + { + /* Current active set */ + CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array + * Probably it would make more sense to store + * an index, not a pointer. */ + + /* The following masks are for the key and auth + * algorithms that are supported by the certs below */ + int valid; + unsigned long mask; + unsigned long export_mask; +#ifndef OPENSSL_NO_RSA + RSA *rsa_tmp; + RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize); +#endif +#ifndef OPENSSL_NO_DH + DH *dh_tmp; + DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize); +#endif +#ifndef OPENSSL_NO_ECDH + EC_KEY *ecdh_tmp; + /* Callback for generating ephemeral ECDH keys */ + EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize); +#endif + + CERT_PKEY pkeys[SSL_PKEY_NUM]; + + int references; /* >1 only if SSL_copy_session_id is used */ + } CERT; + + +typedef struct sess_cert_st + { + STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ + + /* The 'peer_...' members are used only by clients. */ + int peer_cert_type; + + CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */ + CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; + /* Obviously we don't have the private keys of these, + * so maybe we shouldn't even use the CERT_PKEY type here. */ + +#ifndef OPENSSL_NO_RSA + RSA *peer_rsa_tmp; /* not used for SSL 2 */ +#endif +#ifndef OPENSSL_NO_DH + DH *peer_dh_tmp; /* not used for SSL 2 */ +#endif +#ifndef OPENSSL_NO_ECDH + EC_KEY *peer_ecdh_tmp; +#endif + + int references; /* actually always 1 at the moment */ + } SESS_CERT; + + +/*#define MAC_DEBUG */ + +/*#define ERR_DEBUG */ +/*#define ABORT_DEBUG */ +/*#define PKT_DEBUG 1 */ +/*#define DES_DEBUG */ +/*#define DES_OFB_DEBUG */ +/*#define SSL_DEBUG */ +/*#define RSA_DEBUG */ +/*#define IDEA_DEBUG */ + +#define FP_ICC (int (*)(const void *,const void *)) +#define ssl_put_cipher_by_char(ssl,ciph,ptr) \ + ((ssl)->method->put_cipher_by_char((ciph),(ptr))) +#define ssl_get_cipher_by_char(ssl,ptr) \ + ((ssl)->method->get_cipher_by_char(ptr)) + +/* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff + * It is a bit of a mess of functions, but hell, think of it as + * an opaque structure :-) */ +typedef struct ssl3_enc_method + { + int (*enc)(SSL *, int); + int (*mac)(SSL *, unsigned char *, int); + int (*setup_key_block)(SSL *); + int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int); + int (*change_cipher_state)(SSL *, int); + int (*final_finish_mac)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char *, int, unsigned char *); + int finish_mac_length; + int (*cert_verify_mac)(SSL *, EVP_MD_CTX *, unsigned char *); + const char *client_finished_label; + int client_finished_label_len; + const char *server_finished_label; + int server_finished_label_len; + int (*alert_value)(int); + } SSL3_ENC_METHOD; + +#ifndef OPENSSL_NO_COMP +/* Used for holding the relevant compression methods loaded into SSL_CTX */ +typedef struct ssl3_comp_st + { + int comp_id; /* The identifier byte for this compression type */ + char *name; /* Text name used for the compression type */ + COMP_METHOD *method; /* The method :-) */ + } SSL3_COMP; +#endif + +extern SSL3_ENC_METHOD ssl3_undef_enc_method; +OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[]; +OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; + + +SSL_METHOD *ssl_bad_method(int ver); +SSL_METHOD *sslv2_base_method(void); +SSL_METHOD *sslv23_base_method(void); +SSL_METHOD *sslv3_base_method(void); + +extern SSL3_ENC_METHOD TLSv1_enc_data; +extern SSL3_ENC_METHOD SSLv3_enc_data; +extern SSL3_ENC_METHOD DTLSv1_enc_data; + +#define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ +SSL_METHOD *func_name(void) \ + { \ + static SSL_METHOD func_name##_data= { \ + TLS1_VERSION, \ + tls1_new, \ + tls1_clear, \ + tls1_free, \ + s_accept, \ + s_connect, \ + ssl3_read, \ + ssl3_peek, \ + ssl3_write, \ + ssl3_shutdown, \ + ssl3_renegotiate, \ + ssl3_renegotiate_check, \ + ssl3_get_message, \ + ssl3_read_bytes, \ + ssl3_write_bytes, \ + ssl3_dispatch_alert, \ + ssl3_ctrl, \ + ssl3_ctx_ctrl, \ + ssl3_get_cipher_by_char, \ + ssl3_put_cipher_by_char, \ + ssl3_pending, \ + ssl3_num_ciphers, \ + ssl3_get_cipher, \ + s_get_meth, \ + tls1_default_timeout, \ + &TLSv1_enc_data, \ + ssl_undefined_void_function, \ + ssl3_callback_ctrl, \ + ssl3_ctx_callback_ctrl, \ + }; \ + return &func_name##_data; \ + } + +#define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ +SSL_METHOD *func_name(void) \ + { \ + static SSL_METHOD func_name##_data= { \ + SSL3_VERSION, \ + ssl3_new, \ + ssl3_clear, \ + ssl3_free, \ + s_accept, \ + s_connect, \ + ssl3_read, \ + ssl3_peek, \ + ssl3_write, \ + ssl3_shutdown, \ + ssl3_renegotiate, \ + ssl3_renegotiate_check, \ + ssl3_get_message, \ + ssl3_read_bytes, \ + ssl3_write_bytes, \ + ssl3_dispatch_alert, \ + ssl3_ctrl, \ + ssl3_ctx_ctrl, \ + ssl3_get_cipher_by_char, \ + ssl3_put_cipher_by_char, \ + ssl3_pending, \ + ssl3_num_ciphers, \ + ssl3_get_cipher, \ + s_get_meth, \ + ssl3_default_timeout, \ + &SSLv3_enc_data, \ + ssl_undefined_void_function, \ + ssl3_callback_ctrl, \ + ssl3_ctx_callback_ctrl, \ + }; \ + return &func_name##_data; \ + } + +#define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ +SSL_METHOD *func_name(void) \ + { \ + static SSL_METHOD func_name##_data= { \ + TLS1_VERSION, \ + tls1_new, \ + tls1_clear, \ + tls1_free, \ + s_accept, \ + s_connect, \ + ssl23_read, \ + ssl23_peek, \ + ssl23_write, \ + ssl_undefined_function, \ + ssl_undefined_function, \ + ssl_ok, \ + ssl3_get_message, \ + ssl3_read_bytes, \ + ssl3_write_bytes, \ + ssl3_dispatch_alert, \ + ssl3_ctrl, \ + ssl3_ctx_ctrl, \ + ssl23_get_cipher_by_char, \ + ssl23_put_cipher_by_char, \ + ssl_undefined_const_function, \ + ssl23_num_ciphers, \ + ssl23_get_cipher, \ + s_get_meth, \ + ssl23_default_timeout, \ + &ssl3_undef_enc_method, \ + ssl_undefined_void_function, \ + ssl3_callback_ctrl, \ + ssl3_ctx_callback_ctrl, \ + }; \ + return &func_name##_data; \ + } + +#define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ +SSL_METHOD *func_name(void) \ + { \ + static SSL_METHOD func_name##_data= { \ + SSL2_VERSION, \ + ssl2_new, /* local */ \ + ssl2_clear, /* local */ \ + ssl2_free, /* local */ \ + s_accept, \ + s_connect, \ + ssl2_read, \ + ssl2_peek, \ + ssl2_write, \ + ssl2_shutdown, \ + ssl_ok, /* NULL - renegotiate */ \ + ssl_ok, /* NULL - check renegotiate */ \ + NULL, /* NULL - ssl_get_message */ \ + NULL, /* NULL - ssl_get_record */ \ + NULL, /* NULL - ssl_write_bytes */ \ + NULL, /* NULL - dispatch_alert */ \ + ssl2_ctrl, /* local */ \ + ssl2_ctx_ctrl, /* local */ \ + ssl2_get_cipher_by_char, \ + ssl2_put_cipher_by_char, \ + ssl2_pending, \ + ssl2_num_ciphers, \ + ssl2_get_cipher, \ + s_get_meth, \ + ssl2_default_timeout, \ + &ssl3_undef_enc_method, \ + ssl_undefined_void_function, \ + ssl2_callback_ctrl, /* local */ \ + ssl2_ctx_callback_ctrl, /* local */ \ + }; \ + return &func_name##_data; \ + } + +#define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ +SSL_METHOD *func_name(void) \ + { \ + static SSL_METHOD func_name##_data= { \ + DTLS1_VERSION, \ + dtls1_new, \ + dtls1_clear, \ + dtls1_free, \ + s_accept, \ + s_connect, \ + ssl3_read, \ + ssl3_peek, \ + ssl3_write, \ + ssl3_shutdown, \ + ssl3_renegotiate, \ + ssl3_renegotiate_check, \ + dtls1_get_message, \ + dtls1_read_bytes, \ + dtls1_write_app_data_bytes, \ + dtls1_dispatch_alert, \ + ssl3_ctrl, \ + ssl3_ctx_ctrl, \ + ssl3_get_cipher_by_char, \ + ssl3_put_cipher_by_char, \ + ssl3_pending, \ + ssl3_num_ciphers, \ + dtls1_get_cipher, \ + s_get_meth, \ + dtls1_default_timeout, \ + &DTLSv1_enc_data, \ + ssl_undefined_void_function, \ + ssl3_callback_ctrl, \ + ssl3_ctx_callback_ctrl, \ + }; \ + return &func_name##_data; \ + } + +void ssl_clear_cipher_ctx(SSL *s); +int ssl_clear_bad_session(SSL *s); +CERT *ssl_cert_new(void); +CERT *ssl_cert_dup(CERT *cert); +int ssl_cert_inst(CERT **o); +void ssl_cert_free(CERT *c); +SESS_CERT *ssl_sess_cert_new(void); +void ssl_sess_cert_free(SESS_CERT *sc); +int ssl_set_peer_cert_type(SESS_CERT *c, int type); +int ssl_get_new_session(SSL *s, int session); +int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit); +int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b); +int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, + const SSL_CIPHER * const *bp); +STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, + STACK_OF(SSL_CIPHER) **skp); +int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, + int (*put_cb)(const SSL_CIPHER *, unsigned char *)); +STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, + STACK_OF(SSL_CIPHER) **pref, + STACK_OF(SSL_CIPHER) **sorted, + const char *rule_str); +void ssl_update_cache(SSL *s, int mode); +int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc, + const EVP_MD **md,SSL_COMP **comp); +int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk); +int ssl_undefined_function(SSL *s); +int ssl_undefined_void_function(void); +int ssl_undefined_const_function(const SSL *s); +X509 *ssl_get_server_send_cert(SSL *); +EVP_PKEY *ssl_get_sign_pkey(SSL *,SSL_CIPHER *); +int ssl_cert_type(X509 *x,EVP_PKEY *pkey); +void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher); +STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); +int ssl_verify_alarm_type(long type); +void ssl_load_ciphers(void); + +int ssl2_enc_init(SSL *s, int client); +int ssl2_generate_key_material(SSL *s); +void ssl2_enc(SSL *s,int send_data); +void ssl2_mac(SSL *s,unsigned char *mac,int send_data); +SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); +int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); +int ssl2_part_read(SSL *s, unsigned long f, int i); +int ssl2_do_write(SSL *s); +int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data); +void ssl2_return_error(SSL *s,int reason); +void ssl2_write_error(SSL *s); +int ssl2_num_ciphers(void); +SSL_CIPHER *ssl2_get_cipher(unsigned int u); +int ssl2_new(SSL *s); +void ssl2_free(SSL *s); +int ssl2_accept(SSL *s); +int ssl2_connect(SSL *s); +int ssl2_read(SSL *s, void *buf, int len); +int ssl2_peek(SSL *s, void *buf, int len); +int ssl2_write(SSL *s, const void *buf, int len); +int ssl2_shutdown(SSL *s); +void ssl2_clear(SSL *s); +long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg); +long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); +long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); +long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); +int ssl2_pending(const SSL *s); +long ssl2_default_timeout(void ); + +SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); +int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); +void ssl3_init_finished_mac(SSL *s); +int ssl3_send_server_certificate(SSL *s); +int ssl3_send_newsession_ticket(SSL *s); +int ssl3_send_cert_status(SSL *s); +int ssl3_get_finished(SSL *s,int state_a,int state_b); +int ssl3_setup_key_block(SSL *s); +int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b); +int ssl3_change_cipher_state(SSL *s,int which); +void ssl3_cleanup_key_block(SSL *s); +int ssl3_do_write(SSL *s,int type); +void ssl3_send_alert(SSL *s,int level, int desc); +int ssl3_generate_master_secret(SSL *s, unsigned char *out, + unsigned char *p, int len); +int ssl3_get_req_cert_type(SSL *s,unsigned char *p); +long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); +int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen); +int ssl3_num_ciphers(void); +SSL_CIPHER *ssl3_get_cipher(unsigned int u); +int ssl3_renegotiate(SSL *ssl); +int ssl3_renegotiate_check(SSL *ssl); +int ssl3_dispatch_alert(SSL *s); +int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); +int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); +int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2, + const char *sender, int slen,unsigned char *p); +int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p); +void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); +int ssl3_enc(SSL *s, int send_data); +int ssl3_mac(SSL *ssl, unsigned char *md, int send_data); +unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); +SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt, + STACK_OF(SSL_CIPHER) *srvr); +int ssl3_setup_buffers(SSL *s); +int ssl3_new(SSL *s); +void ssl3_free(SSL *s); +int ssl3_accept(SSL *s); +int ssl3_connect(SSL *s); +int ssl3_read(SSL *s, void *buf, int len); +int ssl3_peek(SSL *s, void *buf, int len); +int ssl3_write(SSL *s, const void *buf, int len); +int ssl3_shutdown(SSL *s); +void ssl3_clear(SSL *s); +long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg); +long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); +long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); +long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); +int ssl3_pending(const SSL *s); + +void ssl3_record_sequence_update(unsigned char *seq); +int ssl3_do_change_cipher_spec(SSL *ssl); +long ssl3_default_timeout(void ); + +int ssl23_num_ciphers(void ); +SSL_CIPHER *ssl23_get_cipher(unsigned int u); +int ssl23_read(SSL *s, void *buf, int len); +int ssl23_peek(SSL *s, void *buf, int len); +int ssl23_write(SSL *s, const void *buf, int len); +int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); +SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); +long ssl23_default_timeout(void ); + +long tls1_default_timeout(void); +int dtls1_do_write(SSL *s,int type); +int ssl3_read_n(SSL *s, int n, int max, int extend); +int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); +int ssl3_do_compress(SSL *ssl); +int ssl3_do_uncompress(SSL *ssl); +int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, + unsigned int len); +unsigned char *dtls1_set_message_header(SSL *s, + unsigned char *p, unsigned char mt, unsigned long len, + unsigned long frag_off, unsigned long frag_len); + +int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); +int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); + +int dtls1_send_change_cipher_spec(SSL *s, int a, int b); +int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); +unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); +int dtls1_read_failed(SSL *s, int code); +int dtls1_buffer_message(SSL *s, int ccs); +int dtls1_retransmit_message(SSL *s, unsigned short seq, + unsigned long frag_off, int *found); +void dtls1_clear_record_buffer(SSL *s); +void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); +void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); +void dtls1_reset_seq_numbers(SSL *s, int rw); +long dtls1_default_timeout(void); +SSL_CIPHER *dtls1_get_cipher(unsigned int u); + + + +/* some client-only functions */ +int ssl3_client_hello(SSL *s); +int ssl3_get_server_hello(SSL *s); +int ssl3_get_certificate_request(SSL *s); +int ssl3_get_new_session_ticket(SSL *s); +int ssl3_get_cert_status(SSL *s); +int ssl3_get_server_done(SSL *s); +int ssl3_send_client_verify(SSL *s); +int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); +int ssl3_send_client_certificate(SSL *s); +int ssl3_send_client_key_exchange(SSL *s); +int ssl3_get_key_exchange(SSL *s); +int ssl3_get_server_certificate(SSL *s); +int ssl3_check_cert_and_algorithm(SSL *s); + +int dtls1_client_hello(SSL *s); +int dtls1_send_client_certificate(SSL *s); +int dtls1_send_client_key_exchange(SSL *s); +int dtls1_send_client_verify(SSL *s); + +/* some server-only functions */ +int ssl3_get_client_hello(SSL *s); +int ssl3_send_server_hello(SSL *s); +int ssl3_send_hello_request(SSL *s); +int ssl3_send_server_key_exchange(SSL *s); +int ssl3_send_certificate_request(SSL *s); +int ssl3_send_server_done(SSL *s); +int ssl3_check_client_hello(SSL *s); +int ssl3_get_client_certificate(SSL *s); +int ssl3_get_client_key_exchange(SSL *s); +int ssl3_get_cert_verify(SSL *s); + +int dtls1_send_hello_request(SSL *s); +int dtls1_send_server_hello(SSL *s); +int dtls1_send_server_certificate(SSL *s); +int dtls1_send_server_key_exchange(SSL *s); +int dtls1_send_certificate_request(SSL *s); +int dtls1_send_server_done(SSL *s); + + + +int ssl23_accept(SSL *s); +int ssl23_connect(SSL *s); +int ssl23_read_bytes(SSL *s, int n); +int ssl23_write_bytes(SSL *s); + +int tls1_new(SSL *s); +void tls1_free(SSL *s); +void tls1_clear(SSL *s); +long tls1_ctrl(SSL *s,int cmd, long larg, void *parg); +long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); +SSL_METHOD *tlsv1_base_method(void ); + +int dtls1_new(SSL *s); +int dtls1_accept(SSL *s); +int dtls1_connect(SSL *s); +void dtls1_free(SSL *s); +void dtls1_clear(SSL *s); +long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg); +SSL_METHOD *dtlsv1_base_method(void ); + +long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); +int dtls1_get_record(SSL *s); +int do_dtls1_write(SSL *s, int type, const unsigned char *buf, + unsigned int len, int create_empty_fragement); +int dtls1_dispatch_alert(SSL *s); +int dtls1_enc(SSL *s, int snd); + +int ssl_init_wbio_buffer(SSL *s, int push); +void ssl_free_wbio_buffer(SSL *s); + +int tls1_change_cipher_state(SSL *s, int which); +int tls1_setup_key_block(SSL *s); +int tls1_enc(SSL *s, int snd); +int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx, + const char *str, int slen, unsigned char *p); +int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p); +int tls1_mac(SSL *ssl, unsigned char *md, int snd); +int tls1_generate_master_secret(SSL *s, unsigned char *out, + unsigned char *p, int len); +int tls1_alert_code(int code); +int ssl3_alert_code(int code); +int ssl_ok(SSL *s); + +int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs); + +SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); + +#ifndef OPENSSL_NO_TLSEXT +unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); +unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); +int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); +int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); +int ssl_prepare_clienthello_tlsext(SSL *s); +int ssl_prepare_serverhello_tlsext(SSL *s); +int ssl_check_clienthello_tlsext(SSL *s); +int ssl_check_serverhello_tlsext(SSL *s); +#ifdef OPENSSL_NO_SHA256 +#define tlsext_tick_md EVP_sha1 +#else +#define tlsext_tick_md EVP_sha256 +#endif +int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, + const unsigned char *limit, SSL_SESSION **ret); +EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ; +void ssl_clear_hash_ctx(EVP_MD_CTX **hash); +#endif + +#endif |