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Diffstat (limited to 'thirdparty/openssl/ssl/ssl_locl.h')
| -rw-r--r-- | thirdparty/openssl/ssl/ssl_locl.h | 1484 |
1 files changed, 1484 insertions, 0 deletions
diff --git a/thirdparty/openssl/ssl/ssl_locl.h b/thirdparty/openssl/ssl/ssl_locl.h new file mode 100644 index 0000000000..747e718a52 --- /dev/null +++ b/thirdparty/openssl/ssl/ssl_locl.h @@ -0,0 +1,1484 @@ +/* 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) 1998-2007 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. + */ +/* ==================================================================== + * Copyright 2005 Nokia. All rights reserved. + * + * The portions of the attached software ("Contribution") is developed by + * Nokia Corporation and is licensed pursuant to the OpenSSL open source + * license. + * + * The Contribution, originally written by Mika Kousa and Pasi Eronen of + * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites + * support (see RFC 4279) to OpenSSL. + * + * No patent licenses or other rights except those expressly stated in + * the OpenSSL open source license shall be deemed granted or received + * expressly, by implication, estoppel, or otherwise. + * + * No assurances are provided by Nokia that the Contribution does not + * infringe the patent or other intellectual property rights of any third + * party or that the license provides you with all the necessary rights + * to make use of the Contribution. + * + * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN + * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA + * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY + * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR + * OTHERWISE. + */ + +#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 + +# undef 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 l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ + *((c)++)=(unsigned char)(((l)>>48)&0xff), \ + *((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. + */ + +/* Bits for algorithm_mkey (key exchange algorithm) */ +/* RSA key exchange */ +# define SSL_kRSA 0x00000001L +/* DH cert, RSA CA cert */ +# define SSL_kDHr 0x00000002L +/* DH cert, DSA CA cert */ +# define SSL_kDHd 0x00000004L +/* tmp DH key no DH cert */ +# define SSL_kEDH 0x00000008L +/* forward-compatible synonym */ +# define SSL_kDHE SSL_kEDH +/* Kerberos5 key exchange */ +# define SSL_kKRB5 0x00000010L +/* ECDH cert, RSA CA cert */ +# define SSL_kECDHr 0x00000020L +/* ECDH cert, ECDSA CA cert */ +# define SSL_kECDHe 0x00000040L +/* ephemeral ECDH */ +# define SSL_kEECDH 0x00000080L +/* forward-compatible synonym */ +# define SSL_kECDHE SSL_kEECDH +/* PSK */ +# define SSL_kPSK 0x00000100L +/* GOST key exchange */ +# define SSL_kGOST 0x00000200L +/* SRP */ +# define SSL_kSRP 0x00000400L + +/* Bits for algorithm_auth (server authentication) */ +/* RSA auth */ +# define SSL_aRSA 0x00000001L +/* DSS auth */ +# define SSL_aDSS 0x00000002L +/* no auth (i.e. use ADH or AECDH) */ +# define SSL_aNULL 0x00000004L +/* Fixed DH auth (kDHd or kDHr) */ +# define SSL_aDH 0x00000008L +/* Fixed ECDH auth (kECDHe or kECDHr) */ +# define SSL_aECDH 0x00000010L +/* KRB5 auth */ +# define SSL_aKRB5 0x00000020L +/* ECDSA auth*/ +# define SSL_aECDSA 0x00000040L +/* PSK auth */ +# define SSL_aPSK 0x00000080L +/* GOST R 34.10-94 signature auth */ +# define SSL_aGOST94 0x00000100L +/* GOST R 34.10-2001 signature auth */ +# define SSL_aGOST01 0x00000200L +/* SRP auth */ +# define SSL_aSRP 0x00000400L + +/* Bits for algorithm_enc (symmetric encryption) */ +# define SSL_DES 0x00000001L +# define SSL_3DES 0x00000002L +# define SSL_RC4 0x00000004L +# define SSL_RC2 0x00000008L +# define SSL_IDEA 0x00000010L +# define SSL_eNULL 0x00000020L +# define SSL_AES128 0x00000040L +# define SSL_AES256 0x00000080L +# define SSL_CAMELLIA128 0x00000100L +# define SSL_CAMELLIA256 0x00000200L +# define SSL_eGOST2814789CNT 0x00000400L +# define SSL_SEED 0x00000800L +# define SSL_AES128GCM 0x00001000L +# define SSL_AES256GCM 0x00002000L + +# define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM) +# define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) + +/* Bits for algorithm_mac (symmetric authentication) */ + +# define SSL_MD5 0x00000001L +# define SSL_SHA1 0x00000002L +# define SSL_GOST94 0x00000004L +# define SSL_GOST89MAC 0x00000008L +# define SSL_SHA256 0x00000010L +# define SSL_SHA384 0x00000020L +/* Not a real MAC, just an indication it is part of cipher */ +# define SSL_AEAD 0x00000040L + +/* Bits for algorithm_ssl (protocol version) */ +# define SSL_SSLV2 0x00000001UL +# define SSL_SSLV3 0x00000002UL +# define SSL_TLSV1 SSL_SSLV3/* for now */ +# define SSL_TLSV1_2 0x00000004UL + +/* Bits for algorithm2 (handshake digests and other extra flags) */ + +# define SSL_HANDSHAKE_MAC_MD5 0x10 +# define SSL_HANDSHAKE_MAC_SHA 0x20 +# define SSL_HANDSHAKE_MAC_GOST94 0x40 +# define SSL_HANDSHAKE_MAC_SHA256 0x80 +# define SSL_HANDSHAKE_MAC_SHA384 0x100 +# define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) + +/* + * When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX make + * sure to update this constant too + */ +# define SSL_MAX_DIGEST 6 + +# define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT) + +# define TLS1_PRF_DGST_SHIFT 10 +# define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) +# define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) +# define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT) +# define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT) +# define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) +# define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) + +/* + * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also + * goes into algorithm2) + */ +# define TLS1_STREAM_MAC 0x04 + +/* + * 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_STRONG_MASK 0x000001fcL + +# define SSL_NOT_EXP 0x00000001L +# define SSL_EXPORT 0x00000002L + +# 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 +# define SSL_NOT_DEFAULT 0x00000200L + +/* we have used 000003ff - 22 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_DES ? 8 : 7) +# define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) +# define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ + (c)->algo_strength) +# define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) + +/* Check if an SSL structure is using DTLS */ +# define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) +/* See if we need explicit IV */ +# define SSL_USE_EXPLICIT_IV(s) \ + (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) +/* + * See if we use signature algorithms extension and signature algorithm + * before signatures. + */ +# define SSL_USE_SIGALGS(s) \ + (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) +/* + * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may + * apply to others in future. + */ +# define SSL_USE_TLS1_2_CIPHERS(s) \ + (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) +/* + * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method + * flags because it may not be set to correct version yet. + */ +# define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ + ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \ + (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION)) + +/* 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_GOST94 6 +# define SSL_PKEY_GOST01 7 +# define SSL_PKEY_NUM 8 + +/*- + * 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; + /* Digest to use when signing */ + const EVP_MD *digest; + /* Chain for this certificate */ + STACK_OF(X509) *chain; +# ifndef OPENSSL_NO_TLSEXT + /*- + * serverinfo data for this certificate. The data is in TLS Extension + * wire format, specifically it's a series of records like: + * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) + * uint16_t length; + * uint8_t data[length]; + */ + unsigned char *serverinfo; + size_t serverinfo_length; +# endif + /* + * Set if CERT_PKEY can be used with current SSL session: e.g. + * appropriate curve, signature algorithms etc. If zero it can't be used + * at all. + */ + int valid_flags; +} CERT_PKEY; +/* Retrieve Suite B flags */ +# define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) +/* Uses to check strict mode: suite B modes are always strict */ +# define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ + (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) + +typedef struct { + unsigned short ext_type; + /* + * Per-connection flags relating to this extension type: not used if + * part of an SSL_CTX structure. + */ + unsigned short ext_flags; + custom_ext_add_cb add_cb; + custom_ext_free_cb free_cb; + void *add_arg; + custom_ext_parse_cb parse_cb; + void *parse_arg; +} custom_ext_method; + +/* ext_flags values */ + +/* + * Indicates an extension has been received. Used to check for unsolicited or + * duplicate extensions. + */ +# define SSL_EXT_FLAG_RECEIVED 0x1 +/* + * Indicates an extension has been sent: used to enable sending of + * corresponding ServerHello extension. + */ +# define SSL_EXT_FLAG_SENT 0x2 + +typedef struct { + custom_ext_method *meths; + size_t meths_count; +} custom_ext_methods; + +typedef struct cert_st { + /* Current active set */ + /* + * ALWAYS points to an element of the pkeys array + * Probably it would make more sense to store + * an index, not a pointer. + */ + CERT_PKEY *key; + /* + * For servers the following masks are for the key and auth algorithms + * that are supported by the certs below. For clients they are masks of + * *disabled* algorithms based on the current session. + */ + int valid; + unsigned long mask_k; + unsigned long mask_a; + unsigned long export_mask_k; + unsigned long export_mask_a; + /* Client only */ + unsigned long mask_ssl; +# 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); + /* Select ECDH parameters automatically */ + int ecdh_tmp_auto; +# endif + /* Flags related to certificates */ + unsigned int cert_flags; + CERT_PKEY pkeys[SSL_PKEY_NUM]; + /* + * Certificate types (received or sent) in certificate request message. + * On receive this is only set if number of certificate types exceeds + * SSL3_CT_NUMBER. + */ + unsigned char *ctypes; + size_t ctype_num; + /* + * signature algorithms peer reports: e.g. supported signature algorithms + * extension for server or as part of a certificate request for client. + */ + unsigned char *peer_sigalgs; + /* Size of above array */ + size_t peer_sigalgslen; + /* + * suppported signature algorithms. When set on a client this is sent in + * the client hello as the supported signature algorithms extension. For + * servers it represents the signature algorithms we are willing to use. + */ + unsigned char *conf_sigalgs; + /* Size of above array */ + size_t conf_sigalgslen; + /* + * Client authentication signature algorithms, if not set then uses + * conf_sigalgs. On servers these will be the signature algorithms sent + * to the client in a cerificate request for TLS 1.2. On a client this + * represents the signature algortithms we are willing to use for client + * authentication. + */ + unsigned char *client_sigalgs; + /* Size of above array */ + size_t client_sigalgslen; + /* + * Signature algorithms shared by client and server: cached because these + * are used most often. + */ + TLS_SIGALGS *shared_sigalgs; + size_t shared_sigalgslen; + /* + * Certificate setup callback: if set is called whenever a certificate + * may be required (client or server). the callback can then examine any + * appropriate parameters and setup any certificates required. This + * allows advanced applications to select certificates on the fly: for + * example based on supported signature algorithms or curves. + */ + int (*cert_cb) (SSL *ssl, void *arg); + void *cert_cb_arg; + /* + * Optional X509_STORE for chain building or certificate validation If + * NULL the parent SSL_CTX store is used instead. + */ + X509_STORE *chain_store; + X509_STORE *verify_store; + /* Raw values of the cipher list from a client */ + unsigned char *ciphers_raw; + size_t ciphers_rawlen; + /* Custom extension methods for server and client */ + custom_ext_methods cli_ext; + custom_ext_methods srv_ext; + int references; /* >1 only if SSL_copy_session_id is used */ + /* non-optimal, but here due to compatibility */ + unsigned char *alpn_proposed; /* server */ + unsigned int alpn_proposed_len; + int alpn_sent; /* client */ +} 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; +/* Structure containing decoded values of signature algorithms extension */ +struct tls_sigalgs_st { + /* NID of hash algorithm */ + int hash_nid; + /* NID of signature algorithm */ + int sign_nid; + /* Combined hash and signature NID */ + int signandhash_nid; + /* Raw values used in extension */ + unsigned char rsign; + unsigned char rhash; +}; + +/* + * #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))) + +/* + * 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 *, const char *, int, unsigned char *); + int finish_mac_length; + int (*cert_verify_mac) (SSL *, int, 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); + int (*export_keying_material) (SSL *, unsigned char *, size_t, + const char *, size_t, + const unsigned char *, size_t, + int use_context); + /* Various flags indicating protocol version requirements */ + unsigned int enc_flags; + /* Handshake header length */ + unsigned int hhlen; + /* Set the handshake header */ + void (*set_handshake_header) (SSL *s, int type, unsigned long len); + /* Write out handshake message */ + int (*do_write) (SSL *s); +} SSL3_ENC_METHOD; + +# define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen +# define ssl_handshake_start(s) \ + (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) +# define ssl_set_handshake_header(s, htype, len) \ + s->method->ssl3_enc->set_handshake_header(s, htype, len) +# define ssl_do_write(s) s->method->ssl3_enc->do_write(s) + +/* Values for enc_flags */ + +/* Uses explicit IV for CBC mode */ +# define SSL_ENC_FLAG_EXPLICIT_IV 0x1 +/* Uses signature algorithms extension */ +# define SSL_ENC_FLAG_SIGALGS 0x2 +/* Uses SHA256 default PRF */ +# define SSL_ENC_FLAG_SHA256_PRF 0x4 +/* Is DTLS */ +# define SSL_ENC_FLAG_DTLS 0x8 +/* + * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may + * apply to others in future. + */ +# define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 + +# 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 + +# ifndef OPENSSL_NO_BUF_FREELISTS +typedef struct ssl3_buf_freelist_st { + size_t chunklen; + unsigned int len; + struct ssl3_buf_freelist_entry_st *head; +} SSL3_BUF_FREELIST; + +typedef struct ssl3_buf_freelist_entry_st { + struct ssl3_buf_freelist_entry_st *next; +} SSL3_BUF_FREELIST_ENTRY; +# endif + +extern SSL3_ENC_METHOD ssl3_undef_enc_method; +OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; +OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; + +SSL_METHOD *ssl_bad_method(int ver); + +extern SSL3_ENC_METHOD TLSv1_enc_data; +extern SSL3_ENC_METHOD TLSv1_1_enc_data; +extern SSL3_ENC_METHOD TLSv1_2_enc_data; +extern SSL3_ENC_METHOD SSLv3_enc_data; +extern SSL3_ENC_METHOD DTLSv1_enc_data; +extern SSL3_ENC_METHOD DTLSv1_2_enc_data; + +# define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ + s_get_meth, enc_data) \ +const SSL_METHOD *func_name(void) \ + { \ + static const SSL_METHOD func_name##_data= { \ + 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, \ + &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) \ +const SSL_METHOD *func_name(void) \ + { \ + static const 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) \ +const SSL_METHOD *func_name(void) \ + { \ + static const SSL_METHOD func_name##_data= { \ + TLS1_2_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, \ + &TLSv1_2_enc_data, \ + 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) \ +const SSL_METHOD *func_name(void) \ + { \ + static const 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(version, func_name, s_accept, s_connect, \ + s_get_meth, enc_data) \ +const SSL_METHOD *func_name(void) \ + { \ + static const SSL_METHOD func_name##_data= { \ + version, \ + dtls1_new, \ + dtls1_clear, \ + dtls1_free, \ + s_accept, \ + s_connect, \ + ssl3_read, \ + ssl3_peek, \ + ssl3_write, \ + dtls1_shutdown, \ + ssl3_renegotiate, \ + ssl3_renegotiate_check, \ + dtls1_get_message, \ + dtls1_read_bytes, \ + dtls1_write_app_data_bytes, \ + dtls1_dispatch_alert, \ + dtls1_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, \ + &enc_data, \ + ssl_undefined_void_function, \ + ssl3_callback_ctrl, \ + ssl3_ctx_callback_ctrl, \ + }; \ + return &func_name##_data; \ + } + +struct openssl_ssl_test_functions { + int (*p_ssl_init_wbio_buffer) (SSL *s, int push); + int (*p_ssl3_setup_buffers) (SSL *s); + int (*p_tls1_process_heartbeat) (SSL *s); + int (*p_dtls1_process_heartbeat) (SSL *s); +}; + +# ifndef OPENSSL_UNIT_TEST + +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); +void ssl_cert_set_default_md(CERT *cert); +int ssl_cert_inst(CERT **o); +void ssl_cert_clear_certs(CERT *c); +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); +SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); +int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); +DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); +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, CERT *c); +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, int *mac_pkey_type, + int *mac_secret_size, SSL_COMP **comp); +int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md); +int ssl_cipher_get_cert_index(const SSL_CIPHER *c); +const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); +int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain); +int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain); +int ssl_cert_add0_chain_cert(CERT *c, X509 *x); +int ssl_cert_add1_chain_cert(CERT *c, X509 *x); +int ssl_cert_select_current(CERT *c, X509 *x); +int ssl_cert_set_current(CERT *c, long arg); +X509 *ssl_cert_get0_next_certificate(CERT *c, int first); +void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), + void *arg); + +int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); +int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); +int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags); +int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); +int ssl_undefined_function(SSL *s); +int ssl_undefined_void_function(void); +int ssl_undefined_const_function(const SSL *s); +CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); +# ifndef OPENSSL_NO_TLSEXT +int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, + size_t *serverinfo_length); +# endif +EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); +int ssl_cert_type(X509 *x, EVP_PKEY *pkey); +void ssl_set_cert_masks(CERT *c, const 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 ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); + +int ssl2_enc_init(SSL *s, int client); +int ssl2_generate_key_material(SSL *s); +int ssl2_enc(SSL *s, int send_data); +void ssl2_mac(SSL *s, unsigned char *mac, int send_data); +const 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); +const 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); + +const 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); +int 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); +const 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, const char *sender, int slen, + unsigned char *p); +int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); +void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); +int ssl3_enc(SSL *s, int send_data); +int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); +void ssl3_free_digest_list(SSL *s); +unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); +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_setup_read_buffer(SSL *s); +int ssl3_setup_write_buffer(SSL *s); +int ssl3_release_read_buffer(SSL *s); +int ssl3_release_write_buffer(SSL *s); +int ssl3_digest_cached_records(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); + +void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); +int ssl3_handshake_write(SSL *s); + +int ssl23_num_ciphers(void); +const 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); +const 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_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); +int dtls1_get_queue_priority(unsigned short seq, int is_ccs); +int dtls1_retransmit_buffered_messages(SSL *s); +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); +struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); +int dtls1_check_timeout_num(SSL *s); +int dtls1_handle_timeout(SSL *s); +const SSL_CIPHER *dtls1_get_cipher(unsigned int u); +void dtls1_start_timer(SSL *s); +void dtls1_stop_timer(SSL *s); +int dtls1_is_timer_expired(SSL *s); +void dtls1_double_timeout(SSL *s); +int dtls1_send_newsession_ticket(SSL *s); +unsigned int dtls1_min_mtu(SSL *s); +unsigned int dtls1_link_min_mtu(void); +void dtls1_hm_fragment_free(hm_fragment *frag); + +/* 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 ssl3_send_client_certificate(SSL *s); +int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); +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); +# ifndef OPENSSL_NO_TLSEXT +# ifndef OPENSSL_NO_NEXTPROTONEG +int ssl3_send_next_proto(SSL *s); +# endif +# endif + +int dtls1_client_hello(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_get_client_certificate(SSL *s); +int ssl3_get_client_key_exchange(SSL *s); +int ssl3_get_cert_verify(SSL *s); +# ifndef OPENSSL_NO_NEXTPROTONEG +int ssl3_get_next_proto(SSL *s); +# endif + +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)); + +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); +int dtls1_shutdown(SSL *s); + +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 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, + const char *str, int slen, unsigned char *p); +int tls1_cert_verify_mac(SSL *s, int md_nid, 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_export_keying_material(SSL *s, unsigned char *out, size_t olen, + const char *label, size_t llen, + const unsigned char *p, size_t plen, + int use_context); +int tls1_alert_code(int code); +int ssl3_alert_code(int code); +int ssl_ok(SSL *s); + +# ifndef OPENSSL_NO_ECDH +int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); +# endif + +SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); + +# ifndef OPENSSL_NO_EC +int tls1_ec_curve_id2nid(int curve_id); +int tls1_ec_nid2curve_id(int nid); +int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); +int tls1_shared_curve(SSL *s, int nmatch); +int tls1_set_curves(unsigned char **pext, size_t *pextlen, + int *curves, size_t ncurves); +int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, + const char *str); +# ifndef OPENSSL_NO_ECDH +int tls1_check_ec_tmp_key(SSL *s, unsigned long id); +# endif /* OPENSSL_NO_ECDH */ +# endif /* OPENSSL_NO_EC */ + +# ifndef OPENSSL_NO_TLSEXT +int tls1_shared_list(SSL *s, + const unsigned char *l1, size_t l1len, + const unsigned char *l2, size_t l2len, int nmatch); +unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, + unsigned char *limit, int *al); +unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, + unsigned char *limit, int *al); +int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, + unsigned char *limit); +int tls1_set_server_sigalgs(SSL *s); +int ssl_check_clienthello_tlsext_late(SSL *s); +int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, + unsigned char *d, int n); +int ssl_prepare_clienthello_tlsext(SSL *s); +int ssl_prepare_serverhello_tlsext(SSL *s); + +# ifndef OPENSSL_NO_HEARTBEATS +int tls1_heartbeat(SSL *s); +int dtls1_heartbeat(SSL *s); +int tls1_process_heartbeat(SSL *s); +int dtls1_process_heartbeat(SSL *s); +# endif + +# 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); + +int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, + const EVP_MD *md); +int tls12_get_sigid(const EVP_PKEY *pk); +const EVP_MD *tls12_get_hash(unsigned char hash_alg); + +int tls1_set_sigalgs_list(CERT *c, const char *str, int client); +int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); +int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, + int idx); +void tls1_set_cert_validity(SSL *s); + +# endif +EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); +void ssl_clear_hash_ctx(EVP_MD_CTX **hash); +int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, + int maxlen); +int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, + int *al); +int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, + int maxlen); +int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, + int *al); +long ssl_get_algorithm2(SSL *s); +int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); +int tls1_process_sigalgs(SSL *s); +size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); +int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, + const unsigned char *sig, EVP_PKEY *pkey); +void ssl_set_client_disabled(SSL *s); + +int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, + int maxlen); +int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len, + int *al); +int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, + int maxlen); +int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len, + int *al); + +/* s3_cbc.c */ +void ssl3_cbc_copy_mac(unsigned char *out, + const SSL3_RECORD *rec, + unsigned md_size, unsigned orig_len); +int ssl3_cbc_remove_padding(const SSL *s, + SSL3_RECORD *rec, + unsigned block_size, unsigned mac_size); +int tls1_cbc_remove_padding(const SSL *s, + SSL3_RECORD *rec, + unsigned block_size, unsigned mac_size); +char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); +int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, + unsigned char *md_out, + size_t *md_out_size, + const unsigned char header[13], + const unsigned char *data, + size_t data_plus_mac_size, + size_t data_plus_mac_plus_padding_size, + const unsigned char *mac_secret, + unsigned mac_secret_length, char is_sslv3); + +void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, + EVP_MD_CTX *mac_ctx, const unsigned char *data, + size_t data_len, size_t orig_len); + +int srp_verify_server_param(SSL *s, int *al); + +/* t1_ext.c */ + +void custom_ext_init(custom_ext_methods *meths); + +int custom_ext_parse(SSL *s, int server, + unsigned int ext_type, + const unsigned char *ext_data, size_t ext_size, int *al); +int custom_ext_add(SSL *s, int server, + unsigned char **pret, unsigned char *limit, int *al); + +int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); +void custom_exts_free(custom_ext_methods *exts); + +# else + +# define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer +# define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers +# define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat +# define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat + +# endif +#endif |