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authortpashkin <tpashkin@yandex-team.ru>2022-02-10 16:46:41 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:46:41 +0300
commit5475379a04e37df30085bd1724f1c57e3f40996f (patch)
tree95d77e29785a3bd5be6260b1c9d226a551376ecf /contrib/libs/openssl/ssl/ssl_local.h
parentc3d34b9b40eb534dfd2c549342274f3d61844688 (diff)
downloadydb-5475379a04e37df30085bd1724f1c57e3f40996f.tar.gz
Restoring authorship annotation for <tpashkin@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/openssl/ssl/ssl_local.h')
-rw-r--r--contrib/libs/openssl/ssl/ssl_local.h5338
1 files changed, 2669 insertions, 2669 deletions
diff --git a/contrib/libs/openssl/ssl/ssl_local.h b/contrib/libs/openssl/ssl/ssl_local.h
index f92472117a..97364f4d38 100644
--- a/contrib/libs/openssl/ssl/ssl_local.h
+++ b/contrib/libs/openssl/ssl/ssl_local.h
@@ -1,2671 +1,2671 @@
-/*
+/*
* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
- * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
- * Copyright 2005 Nokia. All rights reserved.
- *
- * Licensed under the OpenSSL license (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
-#ifndef OSSL_SSL_LOCAL_H
-# define OSSL_SSL_LOCAL_H
-
-# include "e_os.h" /* struct timeval for DTLS */
-# include <stdlib.h>
-# include <time.h>
-# include <string.h>
-# include <errno.h>
-
-# include <openssl/buffer.h>
-# include <openssl/comp.h>
-# include <openssl/bio.h>
-# include <openssl/rsa.h>
-# include <openssl/dsa.h>
-# include <openssl/err.h>
-# include <openssl/ssl.h>
-# include <openssl/async.h>
-# include <openssl/symhacks.h>
-# include <openssl/ct.h>
-# include "record/record.h"
-# include "statem/statem.h"
-# include "packet_local.h"
-# include "internal/dane.h"
-# include "internal/refcount.h"
-# include "internal/tsan_assist.h"
-
-# ifdef OPENSSL_BUILD_SHLIBSSL
-# undef OPENSSL_EXTERN
-# define OPENSSL_EXTERN OPENSSL_EXPORT
-# endif
-
-# 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 n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \
- l|=((uint64_t)(*((c)++)))<<48, \
- l|=((uint64_t)(*((c)++)))<<40, \
- l|=((uint64_t)(*((c)++)))<<32, \
- l|=((uint64_t)(*((c)++)))<<24, \
- l|=((uint64_t)(*((c)++)))<<16, \
- l|=((uint64_t)(*((c)++)))<< 8, \
- l|=((uint64_t)(*((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))
-
-/* 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)
-
-/*
- * DTLS version numbers are strange because they're inverted. Except for
- * DTLS1_BAD_VER, which should be considered "lower" than the rest.
- */
-# define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1))
-# define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2))
-# define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2))
-# define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2))
-# define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2))
-
-
-/*
- * 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 0x00000001U
-/* tmp DH key no DH cert */
-# define SSL_kDHE 0x00000002U
-/* synonym */
-# define SSL_kEDH SSL_kDHE
-/* ephemeral ECDH */
-# define SSL_kECDHE 0x00000004U
-/* synonym */
-# define SSL_kEECDH SSL_kECDHE
-/* PSK */
-# define SSL_kPSK 0x00000008U
-/* GOST key exchange */
-# define SSL_kGOST 0x00000010U
-/* SRP */
-# define SSL_kSRP 0x00000020U
-
-# define SSL_kRSAPSK 0x00000040U
-# define SSL_kECDHEPSK 0x00000080U
-# define SSL_kDHEPSK 0x00000100U
-
-/* all PSK */
-
-# define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK)
-
-/* Any appropriate key exchange algorithm (for TLS 1.3 ciphersuites) */
-# define SSL_kANY 0x00000000U
-
-/* Bits for algorithm_auth (server authentication) */
-/* RSA auth */
-# define SSL_aRSA 0x00000001U
-/* DSS auth */
-# define SSL_aDSS 0x00000002U
-/* no auth (i.e. use ADH or AECDH) */
-# define SSL_aNULL 0x00000004U
-/* ECDSA auth*/
-# define SSL_aECDSA 0x00000008U
-/* PSK auth */
-# define SSL_aPSK 0x00000010U
-/* GOST R 34.10-2001 signature auth */
-# define SSL_aGOST01 0x00000020U
-/* SRP auth */
-# define SSL_aSRP 0x00000040U
-/* GOST R 34.10-2012 signature auth */
-# define SSL_aGOST12 0x00000080U
-/* Any appropriate signature auth (for TLS 1.3 ciphersuites) */
-# define SSL_aANY 0x00000000U
-/* All bits requiring a certificate */
-#define SSL_aCERT \
- (SSL_aRSA | SSL_aDSS | SSL_aECDSA | SSL_aGOST01 | SSL_aGOST12)
-
-/* Bits for algorithm_enc (symmetric encryption) */
-# define SSL_DES 0x00000001U
-# define SSL_3DES 0x00000002U
-# define SSL_RC4 0x00000004U
-# define SSL_RC2 0x00000008U
-# define SSL_IDEA 0x00000010U
-# define SSL_eNULL 0x00000020U
-# define SSL_AES128 0x00000040U
-# define SSL_AES256 0x00000080U
-# define SSL_CAMELLIA128 0x00000100U
-# define SSL_CAMELLIA256 0x00000200U
-# define SSL_eGOST2814789CNT 0x00000400U
-# define SSL_SEED 0x00000800U
-# define SSL_AES128GCM 0x00001000U
-# define SSL_AES256GCM 0x00002000U
-# define SSL_AES128CCM 0x00004000U
-# define SSL_AES256CCM 0x00008000U
-# define SSL_AES128CCM8 0x00010000U
-# define SSL_AES256CCM8 0x00020000U
-# define SSL_eGOST2814789CNT12 0x00040000U
-# define SSL_CHACHA20POLY1305 0x00080000U
-# define SSL_ARIA128GCM 0x00100000U
-# define SSL_ARIA256GCM 0x00200000U
-
-# define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM)
-# define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8)
-# define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM)
-# define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
-# define SSL_CHACHA20 (SSL_CHACHA20POLY1305)
-# define SSL_ARIAGCM (SSL_ARIA128GCM | SSL_ARIA256GCM)
-# define SSL_ARIA (SSL_ARIAGCM)
-
-/* Bits for algorithm_mac (symmetric authentication) */
-
-# define SSL_MD5 0x00000001U
-# define SSL_SHA1 0x00000002U
-# define SSL_GOST94 0x00000004U
-# define SSL_GOST89MAC 0x00000008U
-# define SSL_SHA256 0x00000010U
-# define SSL_SHA384 0x00000020U
-/* Not a real MAC, just an indication it is part of cipher */
-# define SSL_AEAD 0x00000040U
-# define SSL_GOST12_256 0x00000080U
-# define SSL_GOST89MAC12 0x00000100U
-# define SSL_GOST12_512 0x00000200U
-
-/*
- * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make
- * sure to update this constant too
- */
-
-# define SSL_MD_MD5_IDX 0
-# define SSL_MD_SHA1_IDX 1
-# define SSL_MD_GOST94_IDX 2
-# define SSL_MD_GOST89MAC_IDX 3
-# define SSL_MD_SHA256_IDX 4
-# define SSL_MD_SHA384_IDX 5
-# define SSL_MD_GOST12_256_IDX 6
-# define SSL_MD_GOST89MAC12_IDX 7
-# define SSL_MD_GOST12_512_IDX 8
-# define SSL_MD_MD5_SHA1_IDX 9
-# define SSL_MD_SHA224_IDX 10
-# define SSL_MD_SHA512_IDX 11
-# define SSL_MAX_DIGEST 12
-
-/* Bits for algorithm2 (handshake digests and other extra flags) */
-
-/* Bits 0-7 are handshake MAC */
-# define SSL_HANDSHAKE_MAC_MASK 0xFF
-# define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX
-# define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX
-# define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX
-# define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX
-# define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX
-# define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX
-# define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1
-
-/* Bits 8-15 bits are PRF */
-# define TLS1_PRF_DGST_SHIFT 8
-# define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
-# define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT)
-# define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT)
-# define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT)
-# define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT)
-# define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT)
-# define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
-
-/*
- * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also
- * goes into algorithm2)
- */
-# define TLS1_STREAM_MAC 0x10000
-
-# define SSL_STRONG_MASK 0x0000001FU
-# define SSL_DEFAULT_MASK 0X00000020U
-
-# define SSL_STRONG_NONE 0x00000001U
-# define SSL_LOW 0x00000002U
-# define SSL_MEDIUM 0x00000004U
-# define SSL_HIGH 0x00000008U
-# define SSL_FIPS 0x00000010U
-# define SSL_NOT_DEFAULT 0x00000020U
-
-/* we have used 0000003f - 26 bits left to go */
-
-/* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */
-# define SSL3_CK_CIPHERSUITE_FLAG 0x03000000
-
-/* Check if an SSL structure is using DTLS */
-# define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
-
-/* Check if we are using TLSv1.3 */
-# define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \
- && (s)->method->version >= TLS1_3_VERSION \
- && (s)->method->version != TLS_ANY_VERSION)
-
-# define SSL_TREAT_AS_TLS13(s) \
- (SSL_IS_TLS13(s) || (s)->early_data_state == SSL_EARLY_DATA_CONNECTING \
- || (s)->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY \
- || (s)->early_data_state == SSL_EARLY_DATA_WRITING \
- || (s)->early_data_state == SSL_EARLY_DATA_WRITE_RETRY \
- || (s)->hello_retry_request == SSL_HRR_PENDING)
-
-# define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3->tmp.finish_md_len == 0 \
- || (s)->s3->tmp.peer_finish_md_len == 0)
-
-/* 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 >= TLS1_2_VERSION) || \
- (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION)))
-/*
- * Determine if a client should send signature algorithms extension:
- * as with TLS1.2 cipher we can't rely on method flags.
- */
-# define SSL_CLIENT_USE_SIGALGS(s) \
- SSL_CLIENT_USE_TLS1_2_CIPHERS(s)
-
-# define IS_MAX_FRAGMENT_LENGTH_EXT_VALID(value) \
- (((value) >= TLSEXT_max_fragment_length_512) && \
- ((value) <= TLSEXT_max_fragment_length_4096))
-# define USE_MAX_FRAGMENT_LENGTH_EXT(session) \
- IS_MAX_FRAGMENT_LENGTH_EXT_VALID(session->ext.max_fragment_len_mode)
-# define GET_MAX_FRAGMENT_LENGTH(session) \
- (512U << (session->ext.max_fragment_len_mode - 1))
-
-# define SSL_READ_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ)
-# define SSL_WRITE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE)
-
-/* Mostly for SSLv3 */
-# define SSL_PKEY_RSA 0
-# define SSL_PKEY_RSA_PSS_SIGN 1
-# define SSL_PKEY_DSA_SIGN 2
-# define SSL_PKEY_ECC 3
-# define SSL_PKEY_GOST01 4
-# define SSL_PKEY_GOST12_256 5
-# define SSL_PKEY_GOST12_512 6
-# define SSL_PKEY_ED25519 7
-# define SSL_PKEY_ED448 8
-# define SSL_PKEY_NUM 9
-
-/*-
- * SSL_kRSA <- RSA_ENC
- * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
- * SSL_kDHE <- 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
-*/
-
-/* Post-Handshake Authentication state */
-typedef enum {
- SSL_PHA_NONE = 0,
- SSL_PHA_EXT_SENT, /* client-side only: extension sent */
- SSL_PHA_EXT_RECEIVED, /* server-side only: extension received */
- SSL_PHA_REQUEST_PENDING, /* server-side only: request pending */
- SSL_PHA_REQUESTED /* request received by client, or sent by server */
-} SSL_PHA_STATE;
-
-/* CipherSuite length. SSLv3 and all TLS versions. */
-# define TLS_CIPHER_LEN 2
-/* used to hold info on the particular ciphers used */
-struct ssl_cipher_st {
- uint32_t valid;
- const char *name; /* text name */
- const char *stdname; /* RFC name */
- uint32_t id; /* id, 4 bytes, first is version */
- /*
- * changed in 1.0.0: these four used to be portions of a single value
- * 'algorithms'
- */
- uint32_t algorithm_mkey; /* key exchange algorithm */
- uint32_t algorithm_auth; /* server authentication */
- uint32_t algorithm_enc; /* symmetric encryption */
- uint32_t algorithm_mac; /* symmetric authentication */
- int min_tls; /* minimum SSL/TLS protocol version */
- int max_tls; /* maximum SSL/TLS protocol version */
- int min_dtls; /* minimum DTLS protocol version */
- int max_dtls; /* maximum DTLS protocol version */
- uint32_t algo_strength; /* strength and export flags */
- uint32_t algorithm2; /* Extra flags */
- int32_t strength_bits; /* Number of bits really used */
- uint32_t alg_bits; /* Number of bits for algorithm */
-};
-
-/* Used to hold SSL/TLS functions */
-struct ssl_method_st {
- int version;
- unsigned flags;
- unsigned long mask;
- int (*ssl_new) (SSL *s);
- int (*ssl_clear) (SSL *s);
- void (*ssl_free) (SSL *s);
- int (*ssl_accept) (SSL *s);
- int (*ssl_connect) (SSL *s);
- int (*ssl_read) (SSL *s, void *buf, size_t len, size_t *readbytes);
- int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *readbytes);
- int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written);
- int (*ssl_shutdown) (SSL *s);
- int (*ssl_renegotiate) (SSL *s);
- int (*ssl_renegotiate_check) (SSL *s, int);
- int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type,
- unsigned char *buf, size_t len, int peek,
- size_t *readbytes);
- int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len,
- size_t *written);
- int (*ssl_dispatch_alert) (SSL *s);
- long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg);
- long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg);
- const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr);
- int (*put_cipher_by_char) (const SSL_CIPHER *cipher, WPACKET *pkt,
- size_t *len);
- size_t (*ssl_pending) (const SSL *s);
- int (*num_ciphers) (void);
- const SSL_CIPHER *(*get_cipher) (unsigned ncipher);
- long (*get_timeout) (void);
- const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */
- int (*ssl_version) (void);
- long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void));
- long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void));
-};
-
-/*
- * Matches the length of PSK_MAX_PSK_LEN. We keep it the same value for
- * consistency, even in the event of OPENSSL_NO_PSK being defined.
- */
-# define TLS13_MAX_RESUMPTION_PSK_LENGTH 256
-
-/*-
- * Lets make this into an ASN.1 type structure as follows
- * SSL_SESSION_ID ::= SEQUENCE {
- * version INTEGER, -- structure version number
- * SSLversion INTEGER, -- SSL version number
- * Cipher OCTET STRING, -- the 3 byte cipher ID
- * Session_ID OCTET STRING, -- the Session ID
- * Master_key OCTET STRING, -- the master key
- * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument
- * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time
- * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds
- * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate
- * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context
- * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer'
- * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension
- * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
- * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity
- * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
- * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only)
- * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method
- * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
- * flags [ 13 ] EXPLICIT INTEGER -- optional flags
- * }
- * Look in ssl/ssl_asn1.c for more details
- * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
- */
-struct ssl_session_st {
- int ssl_version; /* what ssl version session info is being kept
- * in here? */
- size_t master_key_length;
-
- /* TLSv1.3 early_secret used for external PSKs */
- unsigned char early_secret[EVP_MAX_MD_SIZE];
- /*
- * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption
- * PSK
- */
- unsigned char master_key[TLS13_MAX_RESUMPTION_PSK_LENGTH];
- /* session_id - valid? */
- size_t session_id_length;
- unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
- /*
- * this is used to determine whether the session is being reused in the
- * appropriate context. It is up to the application to set this, via
- * SSL_new
- */
- size_t sid_ctx_length;
- unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
-# ifndef OPENSSL_NO_PSK
- char *psk_identity_hint;
- char *psk_identity;
-# endif
- /*
- * Used to indicate that session resumption is not allowed. Applications
- * can also set this bit for a new session via not_resumable_session_cb
- * to disable session caching and tickets.
- */
- int not_resumable;
- /* This is the cert and type for the other end. */
- X509 *peer;
- /* Certificate chain peer sent. */
- STACK_OF(X509) *peer_chain;
- /*
- * when app_verify_callback accepts a session where the peer's
- * certificate is not ok, we must remember the error for session reuse:
- */
- long verify_result; /* only for servers */
- CRYPTO_REF_COUNT references;
- long timeout;
- long time;
- unsigned int compress_meth; /* Need to lookup the method */
- const SSL_CIPHER *cipher;
- unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to
- * load the 'cipher' structure */
- CRYPTO_EX_DATA ex_data; /* application specific data */
- /*
- * These are used to make removal of session-ids more efficient and to
- * implement a maximum cache size.
- */
- struct ssl_session_st *prev, *next;
-
- struct {
- char *hostname;
- /* RFC4507 info */
- unsigned char *tick; /* Session ticket */
- size_t ticklen; /* Session ticket length */
- /* Session lifetime hint in seconds */
- unsigned long tick_lifetime_hint;
- uint32_t tick_age_add;
- /* Max number of bytes that can be sent as early data */
- uint32_t max_early_data;
- /* The ALPN protocol selected for this session */
- unsigned char *alpn_selected;
- size_t alpn_selected_len;
- /*
- * Maximum Fragment Length as per RFC 4366.
- * If this value does not contain RFC 4366 allowed values (1-4) then
- * either the Maximum Fragment Length Negotiation failed or was not
- * performed at all.
- */
- uint8_t max_fragment_len_mode;
- } ext;
-# ifndef OPENSSL_NO_SRP
- char *srp_username;
-# endif
- unsigned char *ticket_appdata;
- size_t ticket_appdata_len;
- uint32_t flags;
- CRYPTO_RWLOCK *lock;
-};
-
-/* Extended master secret support */
-# define SSL_SESS_FLAG_EXTMS 0x1
-
-# ifndef OPENSSL_NO_SRP
-
-typedef struct srp_ctx_st {
- /* param for all the callbacks */
- void *SRP_cb_arg;
- /* set client Hello login callback */
- int (*TLS_ext_srp_username_callback) (SSL *, int *, void *);
- /* set SRP N/g param callback for verification */
- int (*SRP_verify_param_callback) (SSL *, void *);
- /* set SRP client passwd callback */
- char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *);
- char *login;
- BIGNUM *N, *g, *s, *B, *A;
- BIGNUM *a, *b, *v;
- char *info;
- int strength;
- unsigned long srp_Mask;
-} SRP_CTX;
-
-# endif
-
-typedef enum {
- SSL_EARLY_DATA_NONE = 0,
- SSL_EARLY_DATA_CONNECT_RETRY,
- SSL_EARLY_DATA_CONNECTING,
- SSL_EARLY_DATA_WRITE_RETRY,
- SSL_EARLY_DATA_WRITING,
- SSL_EARLY_DATA_WRITE_FLUSH,
- SSL_EARLY_DATA_UNAUTH_WRITING,
- SSL_EARLY_DATA_FINISHED_WRITING,
- SSL_EARLY_DATA_ACCEPT_RETRY,
- SSL_EARLY_DATA_ACCEPTING,
- SSL_EARLY_DATA_READ_RETRY,
- SSL_EARLY_DATA_READING,
- SSL_EARLY_DATA_FINISHED_READING
-} SSL_EARLY_DATA_STATE;
-
-/*
- * We check that the amount of unreadable early data doesn't exceed
- * max_early_data. max_early_data is given in plaintext bytes. However if it is
- * unreadable then we only know the number of ciphertext bytes. We also don't
- * know how much the overhead should be because it depends on the ciphersuite.
- * We make a small allowance. We assume 5 records of actual data plus the end
- * of early data alert record. Each record has a tag and a content type byte.
- * The longest tag length we know of is EVP_GCM_TLS_TAG_LEN. We don't count the
- * content of the alert record either which is 2 bytes.
- */
-# define EARLY_DATA_CIPHERTEXT_OVERHEAD ((6 * (EVP_GCM_TLS_TAG_LEN + 1)) + 2)
-
-/*
- * The allowance we have between the client's calculated ticket age and our own.
- * We allow for 10 seconds (units are in ms). If a ticket is presented and the
- * client's age calculation is different by more than this than our own then we
- * do not allow that ticket for early_data.
- */
-# define TICKET_AGE_ALLOWANCE (10 * 1000)
-
-#define MAX_COMPRESSIONS_SIZE 255
-
-struct ssl_comp_st {
- int id;
- const char *name;
- COMP_METHOD *method;
-};
-
-typedef struct raw_extension_st {
- /* Raw packet data for the extension */
- PACKET data;
- /* Set to 1 if the extension is present or 0 otherwise */
- int present;
- /* Set to 1 if we have already parsed the extension or 0 otherwise */
- int parsed;
- /* The type of this extension, i.e. a TLSEXT_TYPE_* value */
- unsigned int type;
- /* Track what order extensions are received in (0-based). */
- size_t received_order;
-} RAW_EXTENSION;
-
-typedef struct {
- unsigned int isv2;
- unsigned int legacy_version;
- unsigned char random[SSL3_RANDOM_SIZE];
- size_t session_id_len;
- unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
- size_t dtls_cookie_len;
- unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH];
- PACKET ciphersuites;
- size_t compressions_len;
- unsigned char compressions[MAX_COMPRESSIONS_SIZE];
- PACKET extensions;
- size_t pre_proc_exts_len;
- RAW_EXTENSION *pre_proc_exts;
-} CLIENTHELLO_MSG;
-
-/*
- * Extension index values NOTE: Any updates to these defines should be mirrored
- * with equivalent updates to ext_defs in extensions.c
- */
-typedef enum tlsext_index_en {
- TLSEXT_IDX_renegotiate,
- TLSEXT_IDX_server_name,
- TLSEXT_IDX_max_fragment_length,
- TLSEXT_IDX_srp,
- TLSEXT_IDX_ec_point_formats,
- TLSEXT_IDX_supported_groups,
- TLSEXT_IDX_session_ticket,
- TLSEXT_IDX_status_request,
- TLSEXT_IDX_next_proto_neg,
- TLSEXT_IDX_application_layer_protocol_negotiation,
- TLSEXT_IDX_use_srtp,
- TLSEXT_IDX_encrypt_then_mac,
- TLSEXT_IDX_signed_certificate_timestamp,
- TLSEXT_IDX_extended_master_secret,
- TLSEXT_IDX_signature_algorithms_cert,
- TLSEXT_IDX_post_handshake_auth,
- TLSEXT_IDX_signature_algorithms,
- TLSEXT_IDX_supported_versions,
- TLSEXT_IDX_psk_kex_modes,
- TLSEXT_IDX_key_share,
- TLSEXT_IDX_cookie,
- TLSEXT_IDX_cryptopro_bug,
- TLSEXT_IDX_early_data,
- TLSEXT_IDX_certificate_authorities,
- TLSEXT_IDX_padding,
- TLSEXT_IDX_psk,
- /* Dummy index - must always be the last entry */
- TLSEXT_IDX_num_builtins
-} TLSEXT_INDEX;
-
-DEFINE_LHASH_OF(SSL_SESSION);
-/* Needed in ssl_cert.c */
-DEFINE_LHASH_OF(X509_NAME);
-
-# define TLSEXT_KEYNAME_LENGTH 16
-# define TLSEXT_TICK_KEY_LENGTH 32
-
-typedef struct ssl_ctx_ext_secure_st {
- unsigned char tick_hmac_key[TLSEXT_TICK_KEY_LENGTH];
- unsigned char tick_aes_key[TLSEXT_TICK_KEY_LENGTH];
-} SSL_CTX_EXT_SECURE;
-
-struct ssl_ctx_st {
- const SSL_METHOD *method;
- STACK_OF(SSL_CIPHER) *cipher_list;
- /* same as above but sorted for lookup */
- STACK_OF(SSL_CIPHER) *cipher_list_by_id;
- /* TLSv1.3 specific ciphersuites */
- STACK_OF(SSL_CIPHER) *tls13_ciphersuites;
- struct x509_store_st /* X509_STORE */ *cert_store;
- LHASH_OF(SSL_SESSION) *sessions;
- /*
- * Most session-ids that will be cached, default is
- * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited.
- */
- size_t session_cache_size;
- struct ssl_session_st *session_cache_head;
- struct ssl_session_st *session_cache_tail;
- /*
- * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT,
- * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which
- * means only SSL_accept will cache SSL_SESSIONS.
- */
- uint32_t session_cache_mode;
- /*
- * If timeout is not 0, it is the default timeout value set when
- * SSL_new() is called. This has been put in to make life easier to set
- * things up
- */
- long session_timeout;
- /*
- * If this callback is not null, it will be called each time a session id
- * is added to the cache. If this function returns 1, it means that the
- * callback will do a SSL_SESSION_free() when it has finished using it.
- * Otherwise, on 0, it means the callback has finished with it. If
- * remove_session_cb is not null, it will be called when a session-id is
- * removed from the cache. After the call, OpenSSL will
- * SSL_SESSION_free() it.
- */
- int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess);
- void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess);
- SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl,
- const unsigned char *data, int len,
- int *copy);
- struct {
- TSAN_QUALIFIER int sess_connect; /* SSL new conn - started */
- TSAN_QUALIFIER int sess_connect_renegotiate; /* SSL reneg - requested */
- TSAN_QUALIFIER int sess_connect_good; /* SSL new conne/reneg - finished */
- TSAN_QUALIFIER int sess_accept; /* SSL new accept - started */
- TSAN_QUALIFIER int sess_accept_renegotiate; /* SSL reneg - requested */
- TSAN_QUALIFIER int sess_accept_good; /* SSL accept/reneg - finished */
- TSAN_QUALIFIER int sess_miss; /* session lookup misses */
- TSAN_QUALIFIER int sess_timeout; /* reuse attempt on timeouted session */
- TSAN_QUALIFIER int sess_cache_full; /* session removed due to full cache */
- TSAN_QUALIFIER int sess_hit; /* session reuse actually done */
- TSAN_QUALIFIER int sess_cb_hit; /* session-id that was not in
- * the cache was passed back via
- * the callback. This indicates
- * that the application is
- * supplying session-id's from
- * other processes - spooky
- * :-) */
- } stats;
-
- CRYPTO_REF_COUNT references;
-
- /* if defined, these override the X509_verify_cert() calls */
- int (*app_verify_callback) (X509_STORE_CTX *, void *);
- void *app_verify_arg;
- /*
- * before OpenSSL 0.9.7, 'app_verify_arg' was ignored
- * ('app_verify_callback' was called with just one argument)
- */
-
- /* Default password callback. */
- pem_password_cb *default_passwd_callback;
-
- /* Default password callback user data. */
- void *default_passwd_callback_userdata;
-
- /* get client cert callback */
- int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey);
-
- /* cookie generate callback */
- int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie,
- unsigned int *cookie_len);
-
- /* verify cookie callback */
- int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie,
- unsigned int cookie_len);
-
- /* TLS1.3 app-controlled cookie generate callback */
- int (*gen_stateless_cookie_cb) (SSL *ssl, unsigned char *cookie,
- size_t *cookie_len);
-
- /* TLS1.3 verify app-controlled cookie callback */
- int (*verify_stateless_cookie_cb) (SSL *ssl, const unsigned char *cookie,
- size_t cookie_len);
-
- CRYPTO_EX_DATA ex_data;
-
- const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */
- const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */
-
- STACK_OF(X509) *extra_certs;
- STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */
-
- /* Default values used when no per-SSL value is defined follow */
-
- /* used if SSL's info_callback is NULL */
- void (*info_callback) (const SSL *ssl, int type, int val);
-
- /*
- * What we put in certificate_authorities extension for TLS 1.3
- * (ClientHello and CertificateRequest) or just client cert requests for
- * earlier versions. If client_ca_names is populated then it is only used
- * for client cert requests, and in preference to ca_names.
- */
- STACK_OF(X509_NAME) *ca_names;
- STACK_OF(X509_NAME) *client_ca_names;
-
- /*
- * Default values to use in SSL structures follow (these are copied by
- * SSL_new)
- */
-
- uint32_t options;
- uint32_t mode;
- int min_proto_version;
- int max_proto_version;
- size_t max_cert_list;
-
- struct cert_st /* CERT */ *cert;
- int read_ahead;
-
- /* callback that allows applications to peek at protocol messages */
- void (*msg_callback) (int write_p, int version, int content_type,
- const void *buf, size_t len, SSL *ssl, void *arg);
- void *msg_callback_arg;
-
- uint32_t verify_mode;
- size_t sid_ctx_length;
- unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
- /* called 'verify_callback' in the SSL */
- int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx);
-
- /* Default generate session ID callback. */
- GEN_SESSION_CB generate_session_id;
-
- X509_VERIFY_PARAM *param;
-
- int quiet_shutdown;
-
-# ifndef OPENSSL_NO_CT
- CTLOG_STORE *ctlog_store; /* CT Log Store */
- /*
- * Validates that the SCTs (Signed Certificate Timestamps) are sufficient.
- * If they are not, the connection should be aborted.
- */
- ssl_ct_validation_cb ct_validation_callback;
- void *ct_validation_callback_arg;
-# endif
-
- /*
- * If we're using more than one pipeline how should we divide the data
- * up between the pipes?
- */
- size_t split_send_fragment;
- /*
- * Maximum amount of data to send in one fragment. actual record size can
- * be more than this due to padding and MAC overheads.
- */
- size_t max_send_fragment;
-
- /* Up to how many pipelines should we use? If 0 then 1 is assumed */
- size_t max_pipelines;
-
- /* The default read buffer length to use (0 means not set) */
- size_t default_read_buf_len;
-
-# ifndef OPENSSL_NO_ENGINE
- /*
- * Engine to pass requests for client certs to
- */
- ENGINE *client_cert_engine;
-# endif
-
- /* ClientHello callback. Mostly for extensions, but not entirely. */
- SSL_client_hello_cb_fn client_hello_cb;
- void *client_hello_cb_arg;
-
- /* TLS extensions. */
- struct {
- /* TLS extensions servername callback */
- int (*servername_cb) (SSL *, int *, void *);
- void *servername_arg;
- /* RFC 4507 session ticket keys */
- unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH];
- SSL_CTX_EXT_SECURE *secure;
- /* Callback to support customisation of ticket key setting */
- int (*ticket_key_cb) (SSL *ssl,
- unsigned char *name, unsigned char *iv,
- EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc);
-
- /* certificate status request info */
- /* Callback for status request */
- int (*status_cb) (SSL *ssl, void *arg);
- void *status_arg;
- /* ext status type used for CSR extension (OCSP Stapling) */
- int status_type;
- /* RFC 4366 Maximum Fragment Length Negotiation */
- uint8_t max_fragment_len_mode;
-
-# ifndef OPENSSL_NO_EC
- /* EC extension values inherited by SSL structure */
- size_t ecpointformats_len;
- unsigned char *ecpointformats;
- size_t supportedgroups_len;
- uint16_t *supportedgroups;
-# endif /* OPENSSL_NO_EC */
-
- /*
- * ALPN information (we are in the process of transitioning from NPN to
- * ALPN.)
- */
-
- /*-
- * For a server, this contains a callback function that allows the
- * server to select the protocol for the connection.
- * out: on successful return, this must point to the raw protocol
- * name (without the length prefix).
- * outlen: on successful return, this contains the length of |*out|.
- * in: points to the client's list of supported protocols in
- * wire-format.
- * inlen: the length of |in|.
- */
- int (*alpn_select_cb) (SSL *s,
- const unsigned char **out,
- unsigned char *outlen,
- const unsigned char *in,
- unsigned int inlen, void *arg);
- void *alpn_select_cb_arg;
-
- /*
- * For a client, this contains the list of supported protocols in wire
- * format.
- */
- unsigned char *alpn;
- size_t alpn_len;
-
-# ifndef OPENSSL_NO_NEXTPROTONEG
- /* Next protocol negotiation information */
-
- /*
- * For a server, this contains a callback function by which the set of
- * advertised protocols can be provided.
- */
- SSL_CTX_npn_advertised_cb_func npn_advertised_cb;
- void *npn_advertised_cb_arg;
- /*
- * For a client, this contains a callback function that selects the next
- * protocol from the list provided by the server.
- */
- SSL_CTX_npn_select_cb_func npn_select_cb;
- void *npn_select_cb_arg;
-# endif
-
- unsigned char cookie_hmac_key[SHA256_DIGEST_LENGTH];
- } ext;
-
-# ifndef OPENSSL_NO_PSK
- SSL_psk_client_cb_func psk_client_callback;
- SSL_psk_server_cb_func psk_server_callback;
-# endif
- SSL_psk_find_session_cb_func psk_find_session_cb;
- SSL_psk_use_session_cb_func psk_use_session_cb;
-
-# ifndef OPENSSL_NO_SRP
- SRP_CTX srp_ctx; /* ctx for SRP authentication */
-# endif
-
- /* Shared DANE context */
- struct dane_ctx_st dane;
-
-# ifndef OPENSSL_NO_SRTP
- /* SRTP profiles we are willing to do from RFC 5764 */
- STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
-# endif
- /*
- * Callback for disabling session caching and ticket support on a session
- * basis, depending on the chosen cipher.
- */
- int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
-
- CRYPTO_RWLOCK *lock;
-
- /*
- * Callback for logging key material for use with debugging tools like
- * Wireshark. The callback should log `line` followed by a newline.
- */
- SSL_CTX_keylog_cb_func keylog_callback;
-
- /*
- * The maximum number of bytes advertised in session tickets that can be
- * sent as early data.
- */
- uint32_t max_early_data;
-
- /*
- * The maximum number of bytes of early data that a server will tolerate
- * (which should be at least as much as max_early_data).
- */
- uint32_t recv_max_early_data;
-
- /* TLS1.3 padding callback */
- size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg);
- void *record_padding_arg;
- size_t block_padding;
-
- /* Session ticket appdata */
- SSL_CTX_generate_session_ticket_fn generate_ticket_cb;
- SSL_CTX_decrypt_session_ticket_fn decrypt_ticket_cb;
- void *ticket_cb_data;
-
- /* The number of TLS1.3 tickets to automatically send */
- size_t num_tickets;
-
- /* Callback to determine if early_data is acceptable or not */
- SSL_allow_early_data_cb_fn allow_early_data_cb;
- void *allow_early_data_cb_data;
-
- /* Do we advertise Post-handshake auth support? */
- int pha_enabled;
-};
-
-struct ssl_st {
- /*
- * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION,
- * DTLS1_VERSION)
- */
- int version;
- /* SSLv3 */
- const SSL_METHOD *method;
- /*
- * There are 2 BIO's even though they are normally both the same. This
- * is so data can be read and written to different handlers
- */
- /* used by SSL_read */
- BIO *rbio;
- /* used by SSL_write */
- BIO *wbio;
- /* used during session-id reuse to concatenate messages */
- BIO *bbio;
- /*
- * This holds a variable that indicates what we were doing when a 0 or -1
- * is returned. This is needed for non-blocking IO so we know what
- * request needs re-doing when in SSL_accept or SSL_connect
- */
- int rwstate;
- int (*handshake_func) (SSL *);
- /*
- * Imagine that here's a boolean member "init" that is switched as soon
- * as SSL_set_{accept/connect}_state is called for the first time, so
- * that "state" and "handshake_func" are properly initialized. But as
- * handshake_func is == 0 until then, we use this test instead of an
- * "init" member.
- */
- /* are we the server side? */
- int server;
- /*
- * Generate a new session or reuse an old one.
- * NB: For servers, the 'new' session may actually be a previously
- * cached session or even the previous session unless
- * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set
- */
- int new_session;
- /* don't send shutdown packets */
- int quiet_shutdown;
- /* we have shut things down, 0x01 sent, 0x02 for received */
- int shutdown;
- /* where we are */
- OSSL_STATEM statem;
- SSL_EARLY_DATA_STATE early_data_state;
- BUF_MEM *init_buf; /* buffer used during init */
- void *init_msg; /* pointer to handshake message body, set by
- * ssl3_get_message() */
- size_t init_num; /* amount read/written */
- size_t init_off; /* amount read/written */
- struct ssl3_state_st *s3; /* SSLv3 variables */
- struct dtls1_state_st *d1; /* DTLSv1 variables */
- /* callback that allows applications to peek at protocol messages */
- void (*msg_callback) (int write_p, int version, int content_type,
- const void *buf, size_t len, SSL *ssl, void *arg);
- void *msg_callback_arg;
- int hit; /* reusing a previous session */
- X509_VERIFY_PARAM *param;
- /* Per connection DANE state */
- SSL_DANE dane;
- /* crypto */
- STACK_OF(SSL_CIPHER) *peer_ciphers;
- STACK_OF(SSL_CIPHER) *cipher_list;
- STACK_OF(SSL_CIPHER) *cipher_list_by_id;
- /* TLSv1.3 specific ciphersuites */
- STACK_OF(SSL_CIPHER) *tls13_ciphersuites;
- /*
- * These are the ones being used, the ones in SSL_SESSION are the ones to
- * be 'copied' into these ones
- */
- uint32_t mac_flags;
- /*
- * The TLS1.3 secrets.
- */
- unsigned char early_secret[EVP_MAX_MD_SIZE];
- unsigned char handshake_secret[EVP_MAX_MD_SIZE];
- unsigned char master_secret[EVP_MAX_MD_SIZE];
- unsigned char resumption_master_secret[EVP_MAX_MD_SIZE];
- unsigned char client_finished_secret[EVP_MAX_MD_SIZE];
- unsigned char server_finished_secret[EVP_MAX_MD_SIZE];
- unsigned char server_finished_hash[EVP_MAX_MD_SIZE];
- unsigned char handshake_traffic_hash[EVP_MAX_MD_SIZE];
- unsigned char client_app_traffic_secret[EVP_MAX_MD_SIZE];
- unsigned char server_app_traffic_secret[EVP_MAX_MD_SIZE];
- unsigned char exporter_master_secret[EVP_MAX_MD_SIZE];
- unsigned char early_exporter_master_secret[EVP_MAX_MD_SIZE];
- EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */
- unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */
- EVP_MD_CTX *read_hash; /* used for mac generation */
- COMP_CTX *compress; /* compression */
- COMP_CTX *expand; /* uncompress */
- EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
- unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */
- EVP_MD_CTX *write_hash; /* used for mac generation */
- /* session info */
- /* client cert? */
- /* This is used to hold the server certificate used */
- struct cert_st /* CERT */ *cert;
-
- /*
- * The hash of all messages prior to the CertificateVerify, and the length
- * of that hash.
- */
- unsigned char cert_verify_hash[EVP_MAX_MD_SIZE];
- size_t cert_verify_hash_len;
-
- /* Flag to indicate whether we should send a HelloRetryRequest or not */
- enum {SSL_HRR_NONE = 0, SSL_HRR_PENDING, SSL_HRR_COMPLETE}
- hello_retry_request;
-
- /*
- * the session_id_context is used to ensure sessions are only reused in
- * the appropriate context
- */
- size_t sid_ctx_length;
- unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
- /* This can also be in the session once a session is established */
- SSL_SESSION *session;
- /* TLSv1.3 PSK session */
- SSL_SESSION *psksession;
- unsigned char *psksession_id;
- size_t psksession_id_len;
- /* Default generate session ID callback. */
- GEN_SESSION_CB generate_session_id;
- /*
- * The temporary TLSv1.3 session id. This isn't really a session id at all
- * but is a random value sent in the legacy session id field.
- */
- unsigned char tmp_session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
- size_t tmp_session_id_len;
- /* Used in SSL3 */
- /*
- * 0 don't care about verify failure.
- * 1 fail if verify fails
- */
- uint32_t verify_mode;
- /* fail if callback returns 0 */
- int (*verify_callback) (int ok, X509_STORE_CTX *ctx);
- /* optional informational callback */
- void (*info_callback) (const SSL *ssl, int type, int val);
- /* error bytes to be written */
- int error;
- /* actual code */
- int error_code;
-# ifndef OPENSSL_NO_PSK
- SSL_psk_client_cb_func psk_client_callback;
- SSL_psk_server_cb_func psk_server_callback;
-# endif
- SSL_psk_find_session_cb_func psk_find_session_cb;
- SSL_psk_use_session_cb_func psk_use_session_cb;
-
- SSL_CTX *ctx;
- /* Verified chain of peer */
- STACK_OF(X509) *verified_chain;
- long verify_result;
- /* extra application data */
- CRYPTO_EX_DATA ex_data;
- /*
- * What we put in certificate_authorities extension for TLS 1.3
- * (ClientHello and CertificateRequest) or just client cert requests for
- * earlier versions. If client_ca_names is populated then it is only used
- * for client cert requests, and in preference to ca_names.
- */
- STACK_OF(X509_NAME) *ca_names;
- STACK_OF(X509_NAME) *client_ca_names;
- CRYPTO_REF_COUNT references;
- /* protocol behaviour */
- uint32_t options;
- /* API behaviour */
- uint32_t mode;
- int min_proto_version;
- int max_proto_version;
- size_t max_cert_list;
- int first_packet;
- /*
- * What was passed in ClientHello.legacy_version. Used for RSA pre-master
- * secret and SSLv3/TLS (<=1.2) rollback check
- */
- int client_version;
- /*
- * If we're using more than one pipeline how should we divide the data
- * up between the pipes?
- */
- size_t split_send_fragment;
- /*
- * Maximum amount of data to send in one fragment. actual record size can
- * be more than this due to padding and MAC overheads.
- */
- size_t max_send_fragment;
- /* Up to how many pipelines should we use? If 0 then 1 is assumed */
- size_t max_pipelines;
-
- struct {
- /* Built-in extension flags */
- uint8_t extflags[TLSEXT_IDX_num_builtins];
- /* TLS extension debug callback */
- void (*debug_cb)(SSL *s, int client_server, int type,
- const unsigned char *data, int len, void *arg);
- void *debug_arg;
- char *hostname;
- /* certificate status request info */
- /* Status type or -1 if no status type */
- int status_type;
- /* Raw extension data, if seen */
- unsigned char *scts;
- /* Length of raw extension data, if seen */
- uint16_t scts_len;
- /* Expect OCSP CertificateStatus message */
- int status_expected;
-
- struct {
- /* OCSP status request only */
- STACK_OF(OCSP_RESPID) *ids;
- X509_EXTENSIONS *exts;
- /* OCSP response received or to be sent */
- unsigned char *resp;
- size_t resp_len;
- } ocsp;
-
- /* RFC4507 session ticket expected to be received or sent */
- int ticket_expected;
-# ifndef OPENSSL_NO_EC
- size_t ecpointformats_len;
- /* our list */
- unsigned char *ecpointformats;
-
- size_t peer_ecpointformats_len;
- /* peer's list */
- unsigned char *peer_ecpointformats;
-# endif /* OPENSSL_NO_EC */
- size_t supportedgroups_len;
- /* our list */
- uint16_t *supportedgroups;
-
- size_t peer_supportedgroups_len;
- /* peer's list */
- uint16_t *peer_supportedgroups;
-
- /* TLS Session Ticket extension override */
- TLS_SESSION_TICKET_EXT *session_ticket;
- /* TLS Session Ticket extension callback */
- tls_session_ticket_ext_cb_fn session_ticket_cb;
- void *session_ticket_cb_arg;
- /* TLS pre-shared secret session resumption */
- tls_session_secret_cb_fn session_secret_cb;
- void *session_secret_cb_arg;
- /*
- * For a client, this contains the list of supported protocols in wire
- * format.
- */
- unsigned char *alpn;
- size_t alpn_len;
- /*
- * Next protocol negotiation. For the client, this is the protocol that
- * we sent in NextProtocol and is set when handling ServerHello
- * extensions. For a server, this is the client's selected_protocol from
- * NextProtocol and is set when handling the NextProtocol message, before
- * the Finished message.
- */
- unsigned char *npn;
- size_t npn_len;
-
- /* The available PSK key exchange modes */
- int psk_kex_mode;
-
- /* Set to one if we have negotiated ETM */
- int use_etm;
-
- /* Are we expecting to receive early data? */
- int early_data;
- /* Is the session suitable for early data? */
- int early_data_ok;
-
- /* May be sent by a server in HRR. Must be echoed back in ClientHello */
- unsigned char *tls13_cookie;
- size_t tls13_cookie_len;
- /* Have we received a cookie from the client? */
- int cookieok;
-
- /*
- * Maximum Fragment Length as per RFC 4366.
- * If this member contains one of the allowed values (1-4)
- * then we should include Maximum Fragment Length Negotiation
- * extension in Client Hello.
- * Please note that value of this member does not have direct
- * effect. The actual (binding) value is stored in SSL_SESSION,
- * as this extension is optional on server side.
- */
- uint8_t max_fragment_len_mode;
-
- /*
- * On the client side the number of ticket identities we sent in the
- * ClientHello. On the server side the identity of the ticket we
- * selected.
- */
- int tick_identity;
- } ext;
-
- /*
- * Parsed form of the ClientHello, kept around across client_hello_cb
- * calls.
- */
- CLIENTHELLO_MSG *clienthello;
-
- /*-
- * no further mod of servername
- * 0 : call the servername extension callback.
- * 1 : prepare 2, allow last ack just after in server callback.
- * 2 : don't call servername callback, no ack in server hello
- */
- int servername_done;
-# ifndef OPENSSL_NO_CT
- /*
- * Validates that the SCTs (Signed Certificate Timestamps) are sufficient.
- * If they are not, the connection should be aborted.
- */
- ssl_ct_validation_cb ct_validation_callback;
- /* User-supplied argument that is passed to the ct_validation_callback */
- void *ct_validation_callback_arg;
- /*
- * Consolidated stack of SCTs from all sources.
- * Lazily populated by CT_get_peer_scts(SSL*)
- */
- STACK_OF(SCT) *scts;
- /* Have we attempted to find/parse SCTs yet? */
- int scts_parsed;
-# endif
- SSL_CTX *session_ctx; /* initial ctx, used to store sessions */
-# ifndef OPENSSL_NO_SRTP
- /* What we'll do */
- STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
- /* What's been chosen */
- SRTP_PROTECTION_PROFILE *srtp_profile;
-# endif
- /*-
- * 1 if we are renegotiating.
- * 2 if we are a server and are inside a handshake
- * (i.e. not just sending a HelloRequest)
- */
- int renegotiate;
- /* If sending a KeyUpdate is pending */
- int key_update;
- /* Post-handshake authentication state */
- SSL_PHA_STATE post_handshake_auth;
- int pha_enabled;
- uint8_t* pha_context;
- size_t pha_context_len;
- int certreqs_sent;
- EVP_MD_CTX *pha_dgst; /* this is just the digest through ClientFinished */
-
-# ifndef OPENSSL_NO_SRP
- /* ctx for SRP authentication */
- SRP_CTX srp_ctx;
-# endif
- /*
- * Callback for disabling session caching and ticket support on a session
- * basis, depending on the chosen cipher.
- */
- int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
- RECORD_LAYER rlayer;
- /* Default password callback. */
- pem_password_cb *default_passwd_callback;
- /* Default password callback user data. */
- void *default_passwd_callback_userdata;
- /* Async Job info */
- ASYNC_JOB *job;
- ASYNC_WAIT_CTX *waitctx;
- size_t asyncrw;
-
- /*
- * The maximum number of bytes advertised in session tickets that can be
- * sent as early data.
- */
- uint32_t max_early_data;
- /*
- * The maximum number of bytes of early data that a server will tolerate
- * (which should be at least as much as max_early_data).
- */
- uint32_t recv_max_early_data;
-
- /*
- * The number of bytes of early data received so far. If we accepted early
- * data then this is a count of the plaintext bytes. If we rejected it then
- * this is a count of the ciphertext bytes.
- */
- uint32_t early_data_count;
-
- /* TLS1.3 padding callback */
- size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg);
- void *record_padding_arg;
- size_t block_padding;
-
- CRYPTO_RWLOCK *lock;
-
- /* The number of TLS1.3 tickets to automatically send */
- size_t num_tickets;
- /* The number of TLS1.3 tickets actually sent so far */
- size_t sent_tickets;
- /* The next nonce value to use when we send a ticket on this connection */
- uint64_t next_ticket_nonce;
-
- /* Callback to determine if early_data is acceptable or not */
- SSL_allow_early_data_cb_fn allow_early_data_cb;
- void *allow_early_data_cb_data;
-
- /*
- * Signature algorithms shared by client and server: cached because these
- * are used most often.
- */
- const struct sigalg_lookup_st **shared_sigalgs;
- size_t shared_sigalgslen;
-};
-
-/*
- * Structure containing table entry of values associated with the signature
- * algorithms (signature scheme) extension
-*/
-typedef struct sigalg_lookup_st {
- /* TLS 1.3 signature scheme name */
- const char *name;
- /* Raw value used in extension */
- uint16_t sigalg;
- /* NID of hash algorithm or NID_undef if no hash */
- int hash;
- /* Index of hash algorithm or -1 if no hash algorithm */
- int hash_idx;
- /* NID of signature algorithm */
- int sig;
- /* Index of signature algorithm */
- int sig_idx;
- /* Combined hash and signature NID, if any */
- int sigandhash;
- /* Required public key curve (ECDSA only) */
- int curve;
-} SIGALG_LOOKUP;
-
-typedef struct tls_group_info_st {
- int nid; /* Curve NID */
- int secbits; /* Bits of security (from SP800-57) */
- uint16_t flags; /* Flags: currently just group type */
-} TLS_GROUP_INFO;
-
-/* flags values */
-# define TLS_CURVE_TYPE 0x3 /* Mask for group type */
-# define TLS_CURVE_PRIME 0x0
-# define TLS_CURVE_CHAR2 0x1
-# define TLS_CURVE_CUSTOM 0x2
-
-typedef struct cert_pkey_st CERT_PKEY;
-
-/*
- * Structure containing table entry of certificate info corresponding to
- * CERT_PKEY entries
- */
-typedef struct {
- int nid; /* NID of public key algorithm */
- uint32_t amask; /* authmask corresponding to key type */
-} SSL_CERT_LOOKUP;
-
-typedef struct ssl3_state_st {
- long flags;
- size_t read_mac_secret_size;
- unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
- size_t 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;
- /* used during startup, digest all incoming/outgoing packets */
- BIO *handshake_buffer;
- /*
- * When handshake digest is determined, buffer is hashed and
- * freed and MD_CTX for the required digest is stored here.
- */
- EVP_MD_CTX *handshake_dgst;
- /*
- * Set whenever an expected ChangeCipherSpec message is processed.
- * Unset when the peer's Finished message is received.
- * Unexpected ChangeCipherSpec messages trigger a fatal alert.
- */
- 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;
- struct {
- /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
- unsigned char finish_md[EVP_MAX_MD_SIZE * 2];
- size_t finish_md_len;
- unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
- size_t peer_finish_md_len;
- size_t message_size;
- int message_type;
- /* used to hold the new cipher we are going to use */
- const SSL_CIPHER *new_cipher;
-# if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
- EVP_PKEY *pkey; /* holds short lived DH/ECDH key */
-# endif
- /* used for certificate requests */
- int cert_req;
- /* Certificate types in certificate request message. */
- uint8_t *ctype;
- size_t ctype_len;
- /* Certificate authorities list peer sent */
- STACK_OF(X509_NAME) *peer_ca_names;
- size_t key_block_length;
- unsigned char *key_block;
- const EVP_CIPHER *new_sym_enc;
- const EVP_MD *new_hash;
- int new_mac_pkey_type;
- size_t new_mac_secret_size;
-# ifndef OPENSSL_NO_COMP
- const SSL_COMP *new_compression;
-# else
- char *new_compression;
-# endif
- int cert_request;
- /* Raw values of the cipher list from a client */
- unsigned char *ciphers_raw;
- size_t ciphers_rawlen;
- /* Temporary storage for premaster secret */
- unsigned char *pms;
- size_t pmslen;
-# ifndef OPENSSL_NO_PSK
- /* Temporary storage for PSK key */
- unsigned char *psk;
- size_t psklen;
-# endif
- /* Signature algorithm we actually use */
- const SIGALG_LOOKUP *sigalg;
- /* Pointer to certificate we use */
- CERT_PKEY *cert;
- /*
- * signature algorithms peer reports: e.g. supported signature
- * algorithms extension for server or as part of a certificate
- * request for client.
- * Keep track of the algorithms for TLS and X.509 usage separately.
- */
- uint16_t *peer_sigalgs;
- uint16_t *peer_cert_sigalgs;
- /* Size of above arrays */
- size_t peer_sigalgslen;
- size_t peer_cert_sigalgslen;
- /* Sigalg peer actually uses */
- const SIGALG_LOOKUP *peer_sigalg;
- /*
- * Set if corresponding 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.
- */
- uint32_t valid_flags[SSL_PKEY_NUM];
- /*
- * 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.
- */
- uint32_t mask_k;
- uint32_t mask_a;
- /*
- * The following are used by the client to see if a cipher is allowed or
- * not. It contains the minimum and maximum version the client's using
- * based on what it knows so far.
- */
- int min_ver;
- int max_ver;
- } tmp;
-
- /* Connection binding to prevent renegotiation attacks */
- unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
- size_t previous_client_finished_len;
- unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
- size_t previous_server_finished_len;
- int send_connection_binding; /* TODOEKR */
-
-# ifndef OPENSSL_NO_NEXTPROTONEG
- /*
- * Set if we saw the Next Protocol Negotiation extension from our peer.
- */
- int npn_seen;
-# endif
-
- /*
- * ALPN information (we are in the process of transitioning from NPN to
- * ALPN.)
- */
-
- /*
- * In a server these point to the selected ALPN protocol after the
- * ClientHello has been processed. In a client these contain the protocol
- * that the server selected once the ServerHello has been processed.
- */
- unsigned char *alpn_selected;
- size_t alpn_selected_len;
- /* used by the server to know what options were proposed */
- unsigned char *alpn_proposed;
- size_t alpn_proposed_len;
- /* used by the client to know if it actually sent alpn */
- int alpn_sent;
-
-# ifndef OPENSSL_NO_EC
- /*
- * This is set to true if we believe that this is a version of Safari
- * running on OS X 10.6 or newer. We wish to know this because Safari on
- * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
- */
- char is_probably_safari;
-# endif /* !OPENSSL_NO_EC */
-
- /* For clients: peer temporary key */
-# if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
- /* The group_id for the DH/ECDH key */
- uint16_t group_id;
- EVP_PKEY *peer_tmp;
-# endif
-
-} SSL3_STATE;
-
-/* DTLS structures */
-
-# ifndef OPENSSL_NO_SCTP
-# define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP"
-# endif
-
-/* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */
-# define DTLS1_MAX_MTU_OVERHEAD 48
-
-/*
- * Flag used in message reuse to indicate the buffer contains the record
- * header as well as the handshake message header.
- */
-# define DTLS1_SKIP_RECORD_HEADER 2
-
-struct dtls1_retransmit_state {
- EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
- EVP_MD_CTX *write_hash; /* used for mac generation */
- COMP_CTX *compress; /* compression */
- SSL_SESSION *session;
- unsigned short epoch;
-};
-
-struct hm_header_st {
- unsigned char type;
- size_t msg_len;
- unsigned short seq;
- size_t frag_off;
- size_t frag_len;
- unsigned int is_ccs;
- struct dtls1_retransmit_state saved_retransmit_state;
-};
-
-struct dtls1_timeout_st {
- /* Number of read timeouts so far */
- unsigned int read_timeouts;
- /* Number of write timeouts so far */
- unsigned int write_timeouts;
- /* Number of alerts received so far */
- unsigned int num_alerts;
-};
-
-typedef struct hm_fragment_st {
- struct hm_header_st msg_header;
- unsigned char *fragment;
- unsigned char *reassembly;
-} hm_fragment;
-
-typedef struct pqueue_st pqueue;
-typedef struct pitem_st pitem;
-
-struct pitem_st {
- unsigned char priority[8]; /* 64-bit value in big-endian encoding */
- void *data;
- pitem *next;
-};
-
-typedef struct pitem_st *piterator;
-
-pitem *pitem_new(unsigned char *prio64be, void *data);
-void pitem_free(pitem *item);
-pqueue *pqueue_new(void);
-void pqueue_free(pqueue *pq);
-pitem *pqueue_insert(pqueue *pq, pitem *item);
-pitem *pqueue_peek(pqueue *pq);
-pitem *pqueue_pop(pqueue *pq);
-pitem *pqueue_find(pqueue *pq, unsigned char *prio64be);
-pitem *pqueue_iterator(pqueue *pq);
-pitem *pqueue_next(piterator *iter);
-size_t pqueue_size(pqueue *pq);
-
-typedef struct dtls1_state_st {
- unsigned char cookie[DTLS1_COOKIE_LENGTH];
- size_t cookie_len;
- unsigned int cookie_verified;
- /* handshake message numbers */
- unsigned short handshake_write_seq;
- unsigned short next_handshake_write_seq;
- unsigned short handshake_read_seq;
- /* Buffered handshake messages */
- pqueue *buffered_messages;
- /* Buffered (sent) handshake records */
- pqueue *sent_messages;
- size_t link_mtu; /* max on-the-wire DTLS packet size */
- size_t mtu; /* max DTLS packet size */
- struct hm_header_st w_msg_hdr;
- struct hm_header_st r_msg_hdr;
- struct dtls1_timeout_st timeout;
- /*
- * Indicates when the last handshake msg sent will timeout
- */
- struct timeval next_timeout;
- /* Timeout duration */
- unsigned int timeout_duration_us;
-
- unsigned int retransmitting;
-# ifndef OPENSSL_NO_SCTP
- int shutdown_received;
-# endif
-
- DTLS_timer_cb timer_cb;
-
-} DTLS1_STATE;
-
-# 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 */
-
-struct cert_pkey_st {
- X509 *x509;
- EVP_PKEY *privatekey;
- /* Chain for this certificate */
- STACK_OF(X509) *chain;
- /*-
- * 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;
-};
-/* 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 enum {
- ENDPOINT_CLIENT = 0,
- ENDPOINT_SERVER,
- ENDPOINT_BOTH
-} ENDPOINT;
-
-
-typedef struct {
- unsigned short ext_type;
- ENDPOINT role;
- /* The context which this extension applies to */
- unsigned int context;
- /*
- * Per-connection flags relating to this extension type: not used if
- * part of an SSL_CTX structure.
- */
- uint32_t ext_flags;
- SSL_custom_ext_add_cb_ex add_cb;
- SSL_custom_ext_free_cb_ex free_cb;
- void *add_arg;
- SSL_custom_ext_parse_cb_ex 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;
-# ifndef OPENSSL_NO_DH
- EVP_PKEY *dh_tmp;
- DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize);
- int dh_tmp_auto;
-# endif
- /* Flags related to certificates */
- uint32_t cert_flags;
- CERT_PKEY pkeys[SSL_PKEY_NUM];
- /* Custom certificate types sent in certificate request message. */
- uint8_t *ctype;
- size_t ctype_len;
- /*
- * supported 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.
- */
- uint16_t *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 certificate request for TLS 1.2. On a client this
- * represents the signature algorithms we are willing to use for client
- * authentication.
- */
- uint16_t *client_sigalgs;
- /* Size of above array */
- size_t client_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;
- /* Custom extensions */
- custom_ext_methods custext;
- /* Security callback */
- int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid,
- void *other, void *ex);
- /* Security level */
- int sec_level;
- void *sec_ex;
-# ifndef OPENSSL_NO_PSK
- /* If not NULL psk identity hint to use for servers */
- char *psk_identity_hint;
-# endif
- CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */
- CRYPTO_RWLOCK *lock;
-} CERT;
-
-# define FP_ICC (int (*)(const void *,const void *))
-
-/*
- * 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 *, SSL3_RECORD *, size_t, int);
- int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int);
- int (*setup_key_block) (SSL *);
- int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *,
- size_t, size_t *);
- int (*change_cipher_state) (SSL *, int);
- size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *);
- const char *client_finished_label;
- size_t client_finished_label_len;
- const char *server_finished_label;
- size_t 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 */
- uint32_t enc_flags;
- /* Set the handshake header */
- int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type);
- /* Close construction of the handshake message */
- int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype);
- /* Write out handshake message */
- int (*do_write) (SSL *s);
-} SSL3_ENC_METHOD;
-
-# define ssl_set_handshake_header(s, pkt, htype) \
- s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype))
-# define ssl_close_construct_packet(s, pkt, htype) \
- s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype))
-# 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
-
-typedef enum downgrade_en {
- DOWNGRADE_NONE,
- DOWNGRADE_TO_1_2,
- DOWNGRADE_TO_1_1
-} DOWNGRADE;
-
-/*
- * Dummy status type for the status_type extension. Indicates no status type
- * set
- */
-#define TLSEXT_STATUSTYPE_nothing -1
-
-/* Sigalgs values */
-#define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403
-#define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503
-#define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603
-#define TLSEXT_SIGALG_ecdsa_sha224 0x0303
-#define TLSEXT_SIGALG_ecdsa_sha1 0x0203
-#define TLSEXT_SIGALG_rsa_pss_rsae_sha256 0x0804
-#define TLSEXT_SIGALG_rsa_pss_rsae_sha384 0x0805
-#define TLSEXT_SIGALG_rsa_pss_rsae_sha512 0x0806
-#define TLSEXT_SIGALG_rsa_pss_pss_sha256 0x0809
-#define TLSEXT_SIGALG_rsa_pss_pss_sha384 0x080a
-#define TLSEXT_SIGALG_rsa_pss_pss_sha512 0x080b
-#define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401
-#define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501
-#define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601
-#define TLSEXT_SIGALG_rsa_pkcs1_sha224 0x0301
-#define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201
-#define TLSEXT_SIGALG_dsa_sha256 0x0402
-#define TLSEXT_SIGALG_dsa_sha384 0x0502
-#define TLSEXT_SIGALG_dsa_sha512 0x0602
-#define TLSEXT_SIGALG_dsa_sha224 0x0302
-#define TLSEXT_SIGALG_dsa_sha1 0x0202
-#define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee
-#define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef
-#define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded
-
-#define TLSEXT_SIGALG_ed25519 0x0807
-#define TLSEXT_SIGALG_ed448 0x0808
-
-/* Known PSK key exchange modes */
-#define TLSEXT_KEX_MODE_KE 0x00
-#define TLSEXT_KEX_MODE_KE_DHE 0x01
-
-/*
- * Internal representations of key exchange modes
- */
-#define TLSEXT_KEX_MODE_FLAG_NONE 0
-#define TLSEXT_KEX_MODE_FLAG_KE 1
-#define TLSEXT_KEX_MODE_FLAG_KE_DHE 2
-
-#define SSL_USE_PSS(s) (s->s3->tmp.peer_sigalg != NULL && \
- s->s3->tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS)
-
-/* A dummy signature value not valid for TLSv1.2 signature algs */
-#define TLSEXT_signature_rsa_pss 0x0101
-
-/* TLSv1.3 downgrade protection sentinel values */
-extern const unsigned char tls11downgrade[8];
-extern const unsigned char tls12downgrade[8];
-
-extern SSL3_ENC_METHOD ssl3_undef_enc_method;
-
-__owur const SSL_METHOD *ssl_bad_method(int ver);
-__owur const SSL_METHOD *sslv3_method(void);
-__owur const SSL_METHOD *sslv3_server_method(void);
-__owur const SSL_METHOD *sslv3_client_method(void);
-__owur const SSL_METHOD *tlsv1_method(void);
-__owur const SSL_METHOD *tlsv1_server_method(void);
-__owur const SSL_METHOD *tlsv1_client_method(void);
-__owur const SSL_METHOD *tlsv1_1_method(void);
-__owur const SSL_METHOD *tlsv1_1_server_method(void);
-__owur const SSL_METHOD *tlsv1_1_client_method(void);
-__owur const SSL_METHOD *tlsv1_2_method(void);
-__owur const SSL_METHOD *tlsv1_2_server_method(void);
-__owur const SSL_METHOD *tlsv1_2_client_method(void);
-__owur const SSL_METHOD *tlsv1_3_method(void);
-__owur const SSL_METHOD *tlsv1_3_server_method(void);
-__owur const SSL_METHOD *tlsv1_3_client_method(void);
-__owur const SSL_METHOD *dtlsv1_method(void);
-__owur const SSL_METHOD *dtlsv1_server_method(void);
-__owur const SSL_METHOD *dtlsv1_client_method(void);
-__owur const SSL_METHOD *dtls_bad_ver_client_method(void);
-__owur const SSL_METHOD *dtlsv1_2_method(void);
-__owur const SSL_METHOD *dtlsv1_2_server_method(void);
-__owur const SSL_METHOD *dtlsv1_2_client_method(void);
-
-extern const SSL3_ENC_METHOD TLSv1_enc_data;
-extern const SSL3_ENC_METHOD TLSv1_1_enc_data;
-extern const SSL3_ENC_METHOD TLSv1_2_enc_data;
-extern const SSL3_ENC_METHOD TLSv1_3_enc_data;
-extern const SSL3_ENC_METHOD SSLv3_enc_data;
-extern const SSL3_ENC_METHOD DTLSv1_enc_data;
-extern const SSL3_ENC_METHOD DTLSv1_2_enc_data;
-
-/*
- * Flags for SSL methods
- */
-# define SSL_METHOD_NO_FIPS (1U<<0)
-# define SSL_METHOD_NO_SUITEB (1U<<1)
-
-# define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \
- s_connect, enc_data) \
-const SSL_METHOD *func_name(void) \
- { \
- static const SSL_METHOD func_name##_data= { \
- version, \
- flags, \
- mask, \
- tls1_new, \
- tls1_clear, \
- tls1_free, \
- s_accept, \
- s_connect, \
- ssl3_read, \
- ssl3_peek, \
- ssl3_write, \
- ssl3_shutdown, \
- ssl3_renegotiate, \
- ssl3_renegotiate_check, \
- 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, \
- 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) \
-const SSL_METHOD *func_name(void) \
- { \
- static const SSL_METHOD func_name##_data= { \
- SSL3_VERSION, \
- SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \
- SSL_OP_NO_SSLv3, \
- ssl3_new, \
- ssl3_clear, \
- ssl3_free, \
- s_accept, \
- s_connect, \
- ssl3_read, \
- ssl3_peek, \
- ssl3_write, \
- ssl3_shutdown, \
- ssl3_renegotiate, \
- ssl3_renegotiate_check, \
- 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, \
- ssl3_default_timeout, \
- &SSLv3_enc_data, \
- ssl_undefined_void_function, \
- ssl3_callback_ctrl, \
- ssl3_ctx_callback_ctrl, \
- }; \
- return &func_name##_data; \
- }
-
-# define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \
- s_connect, enc_data) \
-const SSL_METHOD *func_name(void) \
- { \
- static const SSL_METHOD func_name##_data= { \
- version, \
- flags, \
- mask, \
- dtls1_new, \
- dtls1_clear, \
- dtls1_free, \
- s_accept, \
- s_connect, \
- ssl3_read, \
- ssl3_peek, \
- ssl3_write, \
- dtls1_shutdown, \
- ssl3_renegotiate, \
- ssl3_renegotiate_check, \
- 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, \
- ssl3_get_cipher, \
- 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 (*p_ssl3_setup_buffers) (SSL *s);
-};
-
-const char *ssl_protocol_to_string(int version);
-
-/* Returns true if certificate and private key for 'idx' are present */
-static ossl_inline int ssl_has_cert(const SSL *s, int idx)
-{
- if (idx < 0 || idx >= SSL_PKEY_NUM)
- return 0;
- return s->cert->pkeys[idx].x509 != NULL
- && s->cert->pkeys[idx].privatekey != NULL;
-}
-
-static ossl_inline void tls1_get_peer_groups(SSL *s, const uint16_t **pgroups,
- size_t *pgroupslen)
-{
- *pgroups = s->ext.peer_supportedgroups;
- *pgroupslen = s->ext.peer_supportedgroups_len;
-}
-
-# ifndef OPENSSL_UNIT_TEST
-
-__owur int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes);
-__owur int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written);
-void ssl_clear_cipher_ctx(SSL *s);
-int ssl_clear_bad_session(SSL *s);
-__owur CERT *ssl_cert_new(void);
-__owur CERT *ssl_cert_dup(CERT *cert);
-void ssl_cert_clear_certs(CERT *c);
-void ssl_cert_free(CERT *c);
-__owur int ssl_generate_session_id(SSL *s, SSL_SESSION *ss);
-__owur int ssl_get_new_session(SSL *s, int session);
-__owur SSL_SESSION *lookup_sess_in_cache(SSL *s, const unsigned char *sess_id,
- size_t sess_id_len);
-__owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello);
-__owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket);
-__owur 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);
-__owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
- const SSL_CIPHER *const *bp);
-__owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,
- STACK_OF(SSL_CIPHER) *tls13_ciphersuites,
- STACK_OF(SSL_CIPHER) **cipher_list,
- STACK_OF(SSL_CIPHER) **cipher_list_by_id,
- const char *rule_str,
- CERT *c);
-__owur int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites, int sslv2format);
-__owur int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites,
- STACK_OF(SSL_CIPHER) **skp,
- STACK_OF(SSL_CIPHER) **scsvs, int sslv2format,
- int fatal);
-void ssl_update_cache(SSL *s, int mode);
-__owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
- const EVP_MD **md, int *mac_pkey_type,
- size_t *mac_secret_size, SSL_COMP **comp,
- int use_etm);
-__owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead,
- size_t *int_overhead, size_t *blocksize,
- size_t *ext_overhead);
-__owur int ssl_cert_is_disabled(size_t idx);
-__owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl,
- const unsigned char *ptr,
- int all);
-__owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
-__owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
-__owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
-__owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
-__owur int ssl_cert_select_current(CERT *c, X509 *x);
-__owur int ssl_cert_set_current(CERT *c, long arg);
-void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg);
-
-__owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk);
-__owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags);
-__owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain,
- int ref);
-
-__owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other);
-__owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid,
- void *other);
+ * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#ifndef OSSL_SSL_LOCAL_H
+# define OSSL_SSL_LOCAL_H
+
+# include "e_os.h" /* struct timeval for DTLS */
+# include <stdlib.h>
+# include <time.h>
+# include <string.h>
+# include <errno.h>
+
+# include <openssl/buffer.h>
+# include <openssl/comp.h>
+# include <openssl/bio.h>
+# include <openssl/rsa.h>
+# include <openssl/dsa.h>
+# include <openssl/err.h>
+# include <openssl/ssl.h>
+# include <openssl/async.h>
+# include <openssl/symhacks.h>
+# include <openssl/ct.h>
+# include "record/record.h"
+# include "statem/statem.h"
+# include "packet_local.h"
+# include "internal/dane.h"
+# include "internal/refcount.h"
+# include "internal/tsan_assist.h"
+
+# ifdef OPENSSL_BUILD_SHLIBSSL
+# undef OPENSSL_EXTERN
+# define OPENSSL_EXTERN OPENSSL_EXPORT
+# endif
+
+# 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 n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \
+ l|=((uint64_t)(*((c)++)))<<48, \
+ l|=((uint64_t)(*((c)++)))<<40, \
+ l|=((uint64_t)(*((c)++)))<<32, \
+ l|=((uint64_t)(*((c)++)))<<24, \
+ l|=((uint64_t)(*((c)++)))<<16, \
+ l|=((uint64_t)(*((c)++)))<< 8, \
+ l|=((uint64_t)(*((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))
+
+/* 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)
+
+/*
+ * DTLS version numbers are strange because they're inverted. Except for
+ * DTLS1_BAD_VER, which should be considered "lower" than the rest.
+ */
+# define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1))
+# define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2))
+# define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2))
+# define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2))
+# define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2))
+
+
+/*
+ * 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 0x00000001U
+/* tmp DH key no DH cert */
+# define SSL_kDHE 0x00000002U
+/* synonym */
+# define SSL_kEDH SSL_kDHE
+/* ephemeral ECDH */
+# define SSL_kECDHE 0x00000004U
+/* synonym */
+# define SSL_kEECDH SSL_kECDHE
+/* PSK */
+# define SSL_kPSK 0x00000008U
+/* GOST key exchange */
+# define SSL_kGOST 0x00000010U
+/* SRP */
+# define SSL_kSRP 0x00000020U
+
+# define SSL_kRSAPSK 0x00000040U
+# define SSL_kECDHEPSK 0x00000080U
+# define SSL_kDHEPSK 0x00000100U
+
+/* all PSK */
+
+# define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK)
+
+/* Any appropriate key exchange algorithm (for TLS 1.3 ciphersuites) */
+# define SSL_kANY 0x00000000U
+
+/* Bits for algorithm_auth (server authentication) */
+/* RSA auth */
+# define SSL_aRSA 0x00000001U
+/* DSS auth */
+# define SSL_aDSS 0x00000002U
+/* no auth (i.e. use ADH or AECDH) */
+# define SSL_aNULL 0x00000004U
+/* ECDSA auth*/
+# define SSL_aECDSA 0x00000008U
+/* PSK auth */
+# define SSL_aPSK 0x00000010U
+/* GOST R 34.10-2001 signature auth */
+# define SSL_aGOST01 0x00000020U
+/* SRP auth */
+# define SSL_aSRP 0x00000040U
+/* GOST R 34.10-2012 signature auth */
+# define SSL_aGOST12 0x00000080U
+/* Any appropriate signature auth (for TLS 1.3 ciphersuites) */
+# define SSL_aANY 0x00000000U
+/* All bits requiring a certificate */
+#define SSL_aCERT \
+ (SSL_aRSA | SSL_aDSS | SSL_aECDSA | SSL_aGOST01 | SSL_aGOST12)
+
+/* Bits for algorithm_enc (symmetric encryption) */
+# define SSL_DES 0x00000001U
+# define SSL_3DES 0x00000002U
+# define SSL_RC4 0x00000004U
+# define SSL_RC2 0x00000008U
+# define SSL_IDEA 0x00000010U
+# define SSL_eNULL 0x00000020U
+# define SSL_AES128 0x00000040U
+# define SSL_AES256 0x00000080U
+# define SSL_CAMELLIA128 0x00000100U
+# define SSL_CAMELLIA256 0x00000200U
+# define SSL_eGOST2814789CNT 0x00000400U
+# define SSL_SEED 0x00000800U
+# define SSL_AES128GCM 0x00001000U
+# define SSL_AES256GCM 0x00002000U
+# define SSL_AES128CCM 0x00004000U
+# define SSL_AES256CCM 0x00008000U
+# define SSL_AES128CCM8 0x00010000U
+# define SSL_AES256CCM8 0x00020000U
+# define SSL_eGOST2814789CNT12 0x00040000U
+# define SSL_CHACHA20POLY1305 0x00080000U
+# define SSL_ARIA128GCM 0x00100000U
+# define SSL_ARIA256GCM 0x00200000U
+
+# define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM)
+# define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8)
+# define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM)
+# define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
+# define SSL_CHACHA20 (SSL_CHACHA20POLY1305)
+# define SSL_ARIAGCM (SSL_ARIA128GCM | SSL_ARIA256GCM)
+# define SSL_ARIA (SSL_ARIAGCM)
+
+/* Bits for algorithm_mac (symmetric authentication) */
+
+# define SSL_MD5 0x00000001U
+# define SSL_SHA1 0x00000002U
+# define SSL_GOST94 0x00000004U
+# define SSL_GOST89MAC 0x00000008U
+# define SSL_SHA256 0x00000010U
+# define SSL_SHA384 0x00000020U
+/* Not a real MAC, just an indication it is part of cipher */
+# define SSL_AEAD 0x00000040U
+# define SSL_GOST12_256 0x00000080U
+# define SSL_GOST89MAC12 0x00000100U
+# define SSL_GOST12_512 0x00000200U
+
+/*
+ * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make
+ * sure to update this constant too
+ */
+
+# define SSL_MD_MD5_IDX 0
+# define SSL_MD_SHA1_IDX 1
+# define SSL_MD_GOST94_IDX 2
+# define SSL_MD_GOST89MAC_IDX 3
+# define SSL_MD_SHA256_IDX 4
+# define SSL_MD_SHA384_IDX 5
+# define SSL_MD_GOST12_256_IDX 6
+# define SSL_MD_GOST89MAC12_IDX 7
+# define SSL_MD_GOST12_512_IDX 8
+# define SSL_MD_MD5_SHA1_IDX 9
+# define SSL_MD_SHA224_IDX 10
+# define SSL_MD_SHA512_IDX 11
+# define SSL_MAX_DIGEST 12
+
+/* Bits for algorithm2 (handshake digests and other extra flags) */
+
+/* Bits 0-7 are handshake MAC */
+# define SSL_HANDSHAKE_MAC_MASK 0xFF
+# define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX
+# define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX
+# define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX
+# define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX
+# define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX
+# define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX
+# define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1
+
+/* Bits 8-15 bits are PRF */
+# define TLS1_PRF_DGST_SHIFT 8
+# define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
+
+/*
+ * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also
+ * goes into algorithm2)
+ */
+# define TLS1_STREAM_MAC 0x10000
+
+# define SSL_STRONG_MASK 0x0000001FU
+# define SSL_DEFAULT_MASK 0X00000020U
+
+# define SSL_STRONG_NONE 0x00000001U
+# define SSL_LOW 0x00000002U
+# define SSL_MEDIUM 0x00000004U
+# define SSL_HIGH 0x00000008U
+# define SSL_FIPS 0x00000010U
+# define SSL_NOT_DEFAULT 0x00000020U
+
+/* we have used 0000003f - 26 bits left to go */
+
+/* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */
+# define SSL3_CK_CIPHERSUITE_FLAG 0x03000000
+
+/* Check if an SSL structure is using DTLS */
+# define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
+
+/* Check if we are using TLSv1.3 */
+# define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \
+ && (s)->method->version >= TLS1_3_VERSION \
+ && (s)->method->version != TLS_ANY_VERSION)
+
+# define SSL_TREAT_AS_TLS13(s) \
+ (SSL_IS_TLS13(s) || (s)->early_data_state == SSL_EARLY_DATA_CONNECTING \
+ || (s)->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY \
+ || (s)->early_data_state == SSL_EARLY_DATA_WRITING \
+ || (s)->early_data_state == SSL_EARLY_DATA_WRITE_RETRY \
+ || (s)->hello_retry_request == SSL_HRR_PENDING)
+
+# define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3->tmp.finish_md_len == 0 \
+ || (s)->s3->tmp.peer_finish_md_len == 0)
+
+/* 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 >= TLS1_2_VERSION) || \
+ (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION)))
+/*
+ * Determine if a client should send signature algorithms extension:
+ * as with TLS1.2 cipher we can't rely on method flags.
+ */
+# define SSL_CLIENT_USE_SIGALGS(s) \
+ SSL_CLIENT_USE_TLS1_2_CIPHERS(s)
+
+# define IS_MAX_FRAGMENT_LENGTH_EXT_VALID(value) \
+ (((value) >= TLSEXT_max_fragment_length_512) && \
+ ((value) <= TLSEXT_max_fragment_length_4096))
+# define USE_MAX_FRAGMENT_LENGTH_EXT(session) \
+ IS_MAX_FRAGMENT_LENGTH_EXT_VALID(session->ext.max_fragment_len_mode)
+# define GET_MAX_FRAGMENT_LENGTH(session) \
+ (512U << (session->ext.max_fragment_len_mode - 1))
+
+# define SSL_READ_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ)
+# define SSL_WRITE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE)
+
+/* Mostly for SSLv3 */
+# define SSL_PKEY_RSA 0
+# define SSL_PKEY_RSA_PSS_SIGN 1
+# define SSL_PKEY_DSA_SIGN 2
+# define SSL_PKEY_ECC 3
+# define SSL_PKEY_GOST01 4
+# define SSL_PKEY_GOST12_256 5
+# define SSL_PKEY_GOST12_512 6
+# define SSL_PKEY_ED25519 7
+# define SSL_PKEY_ED448 8
+# define SSL_PKEY_NUM 9
+
+/*-
+ * SSL_kRSA <- RSA_ENC
+ * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
+ * SSL_kDHE <- 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
+*/
+
+/* Post-Handshake Authentication state */
+typedef enum {
+ SSL_PHA_NONE = 0,
+ SSL_PHA_EXT_SENT, /* client-side only: extension sent */
+ SSL_PHA_EXT_RECEIVED, /* server-side only: extension received */
+ SSL_PHA_REQUEST_PENDING, /* server-side only: request pending */
+ SSL_PHA_REQUESTED /* request received by client, or sent by server */
+} SSL_PHA_STATE;
+
+/* CipherSuite length. SSLv3 and all TLS versions. */
+# define TLS_CIPHER_LEN 2
+/* used to hold info on the particular ciphers used */
+struct ssl_cipher_st {
+ uint32_t valid;
+ const char *name; /* text name */
+ const char *stdname; /* RFC name */
+ uint32_t id; /* id, 4 bytes, first is version */
+ /*
+ * changed in 1.0.0: these four used to be portions of a single value
+ * 'algorithms'
+ */
+ uint32_t algorithm_mkey; /* key exchange algorithm */
+ uint32_t algorithm_auth; /* server authentication */
+ uint32_t algorithm_enc; /* symmetric encryption */
+ uint32_t algorithm_mac; /* symmetric authentication */
+ int min_tls; /* minimum SSL/TLS protocol version */
+ int max_tls; /* maximum SSL/TLS protocol version */
+ int min_dtls; /* minimum DTLS protocol version */
+ int max_dtls; /* maximum DTLS protocol version */
+ uint32_t algo_strength; /* strength and export flags */
+ uint32_t algorithm2; /* Extra flags */
+ int32_t strength_bits; /* Number of bits really used */
+ uint32_t alg_bits; /* Number of bits for algorithm */
+};
+
+/* Used to hold SSL/TLS functions */
+struct ssl_method_st {
+ int version;
+ unsigned flags;
+ unsigned long mask;
+ int (*ssl_new) (SSL *s);
+ int (*ssl_clear) (SSL *s);
+ void (*ssl_free) (SSL *s);
+ int (*ssl_accept) (SSL *s);
+ int (*ssl_connect) (SSL *s);
+ int (*ssl_read) (SSL *s, void *buf, size_t len, size_t *readbytes);
+ int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *readbytes);
+ int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written);
+ int (*ssl_shutdown) (SSL *s);
+ int (*ssl_renegotiate) (SSL *s);
+ int (*ssl_renegotiate_check) (SSL *s, int);
+ int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type,
+ unsigned char *buf, size_t len, int peek,
+ size_t *readbytes);
+ int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len,
+ size_t *written);
+ int (*ssl_dispatch_alert) (SSL *s);
+ long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg);
+ long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg);
+ const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr);
+ int (*put_cipher_by_char) (const SSL_CIPHER *cipher, WPACKET *pkt,
+ size_t *len);
+ size_t (*ssl_pending) (const SSL *s);
+ int (*num_ciphers) (void);
+ const SSL_CIPHER *(*get_cipher) (unsigned ncipher);
+ long (*get_timeout) (void);
+ const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */
+ int (*ssl_version) (void);
+ long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void));
+ long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void));
+};
+
+/*
+ * Matches the length of PSK_MAX_PSK_LEN. We keep it the same value for
+ * consistency, even in the event of OPENSSL_NO_PSK being defined.
+ */
+# define TLS13_MAX_RESUMPTION_PSK_LENGTH 256
+
+/*-
+ * Lets make this into an ASN.1 type structure as follows
+ * SSL_SESSION_ID ::= SEQUENCE {
+ * version INTEGER, -- structure version number
+ * SSLversion INTEGER, -- SSL version number
+ * Cipher OCTET STRING, -- the 3 byte cipher ID
+ * Session_ID OCTET STRING, -- the Session ID
+ * Master_key OCTET STRING, -- the master key
+ * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument
+ * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time
+ * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds
+ * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate
+ * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context
+ * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer'
+ * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension
+ * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
+ * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity
+ * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
+ * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only)
+ * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method
+ * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
+ * flags [ 13 ] EXPLICIT INTEGER -- optional flags
+ * }
+ * Look in ssl/ssl_asn1.c for more details
+ * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
+ */
+struct ssl_session_st {
+ int ssl_version; /* what ssl version session info is being kept
+ * in here? */
+ size_t master_key_length;
+
+ /* TLSv1.3 early_secret used for external PSKs */
+ unsigned char early_secret[EVP_MAX_MD_SIZE];
+ /*
+ * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption
+ * PSK
+ */
+ unsigned char master_key[TLS13_MAX_RESUMPTION_PSK_LENGTH];
+ /* session_id - valid? */
+ size_t session_id_length;
+ unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
+ /*
+ * this is used to determine whether the session is being reused in the
+ * appropriate context. It is up to the application to set this, via
+ * SSL_new
+ */
+ size_t sid_ctx_length;
+ unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
+# ifndef OPENSSL_NO_PSK
+ char *psk_identity_hint;
+ char *psk_identity;
+# endif
+ /*
+ * Used to indicate that session resumption is not allowed. Applications
+ * can also set this bit for a new session via not_resumable_session_cb
+ * to disable session caching and tickets.
+ */
+ int not_resumable;
+ /* This is the cert and type for the other end. */
+ X509 *peer;
+ /* Certificate chain peer sent. */
+ STACK_OF(X509) *peer_chain;
+ /*
+ * when app_verify_callback accepts a session where the peer's
+ * certificate is not ok, we must remember the error for session reuse:
+ */
+ long verify_result; /* only for servers */
+ CRYPTO_REF_COUNT references;
+ long timeout;
+ long time;
+ unsigned int compress_meth; /* Need to lookup the method */
+ const SSL_CIPHER *cipher;
+ unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to
+ * load the 'cipher' structure */
+ CRYPTO_EX_DATA ex_data; /* application specific data */
+ /*
+ * These are used to make removal of session-ids more efficient and to
+ * implement a maximum cache size.
+ */
+ struct ssl_session_st *prev, *next;
+
+ struct {
+ char *hostname;
+ /* RFC4507 info */
+ unsigned char *tick; /* Session ticket */
+ size_t ticklen; /* Session ticket length */
+ /* Session lifetime hint in seconds */
+ unsigned long tick_lifetime_hint;
+ uint32_t tick_age_add;
+ /* Max number of bytes that can be sent as early data */
+ uint32_t max_early_data;
+ /* The ALPN protocol selected for this session */
+ unsigned char *alpn_selected;
+ size_t alpn_selected_len;
+ /*
+ * Maximum Fragment Length as per RFC 4366.
+ * If this value does not contain RFC 4366 allowed values (1-4) then
+ * either the Maximum Fragment Length Negotiation failed or was not
+ * performed at all.
+ */
+ uint8_t max_fragment_len_mode;
+ } ext;
+# ifndef OPENSSL_NO_SRP
+ char *srp_username;
+# endif
+ unsigned char *ticket_appdata;
+ size_t ticket_appdata_len;
+ uint32_t flags;
+ CRYPTO_RWLOCK *lock;
+};
+
+/* Extended master secret support */
+# define SSL_SESS_FLAG_EXTMS 0x1
+
+# ifndef OPENSSL_NO_SRP
+
+typedef struct srp_ctx_st {
+ /* param for all the callbacks */
+ void *SRP_cb_arg;
+ /* set client Hello login callback */
+ int (*TLS_ext_srp_username_callback) (SSL *, int *, void *);
+ /* set SRP N/g param callback for verification */
+ int (*SRP_verify_param_callback) (SSL *, void *);
+ /* set SRP client passwd callback */
+ char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *);
+ char *login;
+ BIGNUM *N, *g, *s, *B, *A;
+ BIGNUM *a, *b, *v;
+ char *info;
+ int strength;
+ unsigned long srp_Mask;
+} SRP_CTX;
+
+# endif
+
+typedef enum {
+ SSL_EARLY_DATA_NONE = 0,
+ SSL_EARLY_DATA_CONNECT_RETRY,
+ SSL_EARLY_DATA_CONNECTING,
+ SSL_EARLY_DATA_WRITE_RETRY,
+ SSL_EARLY_DATA_WRITING,
+ SSL_EARLY_DATA_WRITE_FLUSH,
+ SSL_EARLY_DATA_UNAUTH_WRITING,
+ SSL_EARLY_DATA_FINISHED_WRITING,
+ SSL_EARLY_DATA_ACCEPT_RETRY,
+ SSL_EARLY_DATA_ACCEPTING,
+ SSL_EARLY_DATA_READ_RETRY,
+ SSL_EARLY_DATA_READING,
+ SSL_EARLY_DATA_FINISHED_READING
+} SSL_EARLY_DATA_STATE;
+
+/*
+ * We check that the amount of unreadable early data doesn't exceed
+ * max_early_data. max_early_data is given in plaintext bytes. However if it is
+ * unreadable then we only know the number of ciphertext bytes. We also don't
+ * know how much the overhead should be because it depends on the ciphersuite.
+ * We make a small allowance. We assume 5 records of actual data plus the end
+ * of early data alert record. Each record has a tag and a content type byte.
+ * The longest tag length we know of is EVP_GCM_TLS_TAG_LEN. We don't count the
+ * content of the alert record either which is 2 bytes.
+ */
+# define EARLY_DATA_CIPHERTEXT_OVERHEAD ((6 * (EVP_GCM_TLS_TAG_LEN + 1)) + 2)
+
+/*
+ * The allowance we have between the client's calculated ticket age and our own.
+ * We allow for 10 seconds (units are in ms). If a ticket is presented and the
+ * client's age calculation is different by more than this than our own then we
+ * do not allow that ticket for early_data.
+ */
+# define TICKET_AGE_ALLOWANCE (10 * 1000)
+
+#define MAX_COMPRESSIONS_SIZE 255
+
+struct ssl_comp_st {
+ int id;
+ const char *name;
+ COMP_METHOD *method;
+};
+
+typedef struct raw_extension_st {
+ /* Raw packet data for the extension */
+ PACKET data;
+ /* Set to 1 if the extension is present or 0 otherwise */
+ int present;
+ /* Set to 1 if we have already parsed the extension or 0 otherwise */
+ int parsed;
+ /* The type of this extension, i.e. a TLSEXT_TYPE_* value */
+ unsigned int type;
+ /* Track what order extensions are received in (0-based). */
+ size_t received_order;
+} RAW_EXTENSION;
+
+typedef struct {
+ unsigned int isv2;
+ unsigned int legacy_version;
+ unsigned char random[SSL3_RANDOM_SIZE];
+ size_t session_id_len;
+ unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
+ size_t dtls_cookie_len;
+ unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH];
+ PACKET ciphersuites;
+ size_t compressions_len;
+ unsigned char compressions[MAX_COMPRESSIONS_SIZE];
+ PACKET extensions;
+ size_t pre_proc_exts_len;
+ RAW_EXTENSION *pre_proc_exts;
+} CLIENTHELLO_MSG;
+
+/*
+ * Extension index values NOTE: Any updates to these defines should be mirrored
+ * with equivalent updates to ext_defs in extensions.c
+ */
+typedef enum tlsext_index_en {
+ TLSEXT_IDX_renegotiate,
+ TLSEXT_IDX_server_name,
+ TLSEXT_IDX_max_fragment_length,
+ TLSEXT_IDX_srp,
+ TLSEXT_IDX_ec_point_formats,
+ TLSEXT_IDX_supported_groups,
+ TLSEXT_IDX_session_ticket,
+ TLSEXT_IDX_status_request,
+ TLSEXT_IDX_next_proto_neg,
+ TLSEXT_IDX_application_layer_protocol_negotiation,
+ TLSEXT_IDX_use_srtp,
+ TLSEXT_IDX_encrypt_then_mac,
+ TLSEXT_IDX_signed_certificate_timestamp,
+ TLSEXT_IDX_extended_master_secret,
+ TLSEXT_IDX_signature_algorithms_cert,
+ TLSEXT_IDX_post_handshake_auth,
+ TLSEXT_IDX_signature_algorithms,
+ TLSEXT_IDX_supported_versions,
+ TLSEXT_IDX_psk_kex_modes,
+ TLSEXT_IDX_key_share,
+ TLSEXT_IDX_cookie,
+ TLSEXT_IDX_cryptopro_bug,
+ TLSEXT_IDX_early_data,
+ TLSEXT_IDX_certificate_authorities,
+ TLSEXT_IDX_padding,
+ TLSEXT_IDX_psk,
+ /* Dummy index - must always be the last entry */
+ TLSEXT_IDX_num_builtins
+} TLSEXT_INDEX;
+
+DEFINE_LHASH_OF(SSL_SESSION);
+/* Needed in ssl_cert.c */
+DEFINE_LHASH_OF(X509_NAME);
+
+# define TLSEXT_KEYNAME_LENGTH 16
+# define TLSEXT_TICK_KEY_LENGTH 32
+
+typedef struct ssl_ctx_ext_secure_st {
+ unsigned char tick_hmac_key[TLSEXT_TICK_KEY_LENGTH];
+ unsigned char tick_aes_key[TLSEXT_TICK_KEY_LENGTH];
+} SSL_CTX_EXT_SECURE;
+
+struct ssl_ctx_st {
+ const SSL_METHOD *method;
+ STACK_OF(SSL_CIPHER) *cipher_list;
+ /* same as above but sorted for lookup */
+ STACK_OF(SSL_CIPHER) *cipher_list_by_id;
+ /* TLSv1.3 specific ciphersuites */
+ STACK_OF(SSL_CIPHER) *tls13_ciphersuites;
+ struct x509_store_st /* X509_STORE */ *cert_store;
+ LHASH_OF(SSL_SESSION) *sessions;
+ /*
+ * Most session-ids that will be cached, default is
+ * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited.
+ */
+ size_t session_cache_size;
+ struct ssl_session_st *session_cache_head;
+ struct ssl_session_st *session_cache_tail;
+ /*
+ * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT,
+ * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which
+ * means only SSL_accept will cache SSL_SESSIONS.
+ */
+ uint32_t session_cache_mode;
+ /*
+ * If timeout is not 0, it is the default timeout value set when
+ * SSL_new() is called. This has been put in to make life easier to set
+ * things up
+ */
+ long session_timeout;
+ /*
+ * If this callback is not null, it will be called each time a session id
+ * is added to the cache. If this function returns 1, it means that the
+ * callback will do a SSL_SESSION_free() when it has finished using it.
+ * Otherwise, on 0, it means the callback has finished with it. If
+ * remove_session_cb is not null, it will be called when a session-id is
+ * removed from the cache. After the call, OpenSSL will
+ * SSL_SESSION_free() it.
+ */
+ int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess);
+ void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess);
+ SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl,
+ const unsigned char *data, int len,
+ int *copy);
+ struct {
+ TSAN_QUALIFIER int sess_connect; /* SSL new conn - started */
+ TSAN_QUALIFIER int sess_connect_renegotiate; /* SSL reneg - requested */
+ TSAN_QUALIFIER int sess_connect_good; /* SSL new conne/reneg - finished */
+ TSAN_QUALIFIER int sess_accept; /* SSL new accept - started */
+ TSAN_QUALIFIER int sess_accept_renegotiate; /* SSL reneg - requested */
+ TSAN_QUALIFIER int sess_accept_good; /* SSL accept/reneg - finished */
+ TSAN_QUALIFIER int sess_miss; /* session lookup misses */
+ TSAN_QUALIFIER int sess_timeout; /* reuse attempt on timeouted session */
+ TSAN_QUALIFIER int sess_cache_full; /* session removed due to full cache */
+ TSAN_QUALIFIER int sess_hit; /* session reuse actually done */
+ TSAN_QUALIFIER int sess_cb_hit; /* session-id that was not in
+ * the cache was passed back via
+ * the callback. This indicates
+ * that the application is
+ * supplying session-id's from
+ * other processes - spooky
+ * :-) */
+ } stats;
+
+ CRYPTO_REF_COUNT references;
+
+ /* if defined, these override the X509_verify_cert() calls */
+ int (*app_verify_callback) (X509_STORE_CTX *, void *);
+ void *app_verify_arg;
+ /*
+ * before OpenSSL 0.9.7, 'app_verify_arg' was ignored
+ * ('app_verify_callback' was called with just one argument)
+ */
+
+ /* Default password callback. */
+ pem_password_cb *default_passwd_callback;
+
+ /* Default password callback user data. */
+ void *default_passwd_callback_userdata;
+
+ /* get client cert callback */
+ int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey);
+
+ /* cookie generate callback */
+ int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie,
+ unsigned int *cookie_len);
+
+ /* verify cookie callback */
+ int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie,
+ unsigned int cookie_len);
+
+ /* TLS1.3 app-controlled cookie generate callback */
+ int (*gen_stateless_cookie_cb) (SSL *ssl, unsigned char *cookie,
+ size_t *cookie_len);
+
+ /* TLS1.3 verify app-controlled cookie callback */
+ int (*verify_stateless_cookie_cb) (SSL *ssl, const unsigned char *cookie,
+ size_t cookie_len);
+
+ CRYPTO_EX_DATA ex_data;
+
+ const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */
+ const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */
+
+ STACK_OF(X509) *extra_certs;
+ STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */
+
+ /* Default values used when no per-SSL value is defined follow */
+
+ /* used if SSL's info_callback is NULL */
+ void (*info_callback) (const SSL *ssl, int type, int val);
+
+ /*
+ * What we put in certificate_authorities extension for TLS 1.3
+ * (ClientHello and CertificateRequest) or just client cert requests for
+ * earlier versions. If client_ca_names is populated then it is only used
+ * for client cert requests, and in preference to ca_names.
+ */
+ STACK_OF(X509_NAME) *ca_names;
+ STACK_OF(X509_NAME) *client_ca_names;
+
+ /*
+ * Default values to use in SSL structures follow (these are copied by
+ * SSL_new)
+ */
+
+ uint32_t options;
+ uint32_t mode;
+ int min_proto_version;
+ int max_proto_version;
+ size_t max_cert_list;
+
+ struct cert_st /* CERT */ *cert;
+ int read_ahead;
+
+ /* callback that allows applications to peek at protocol messages */
+ void (*msg_callback) (int write_p, int version, int content_type,
+ const void *buf, size_t len, SSL *ssl, void *arg);
+ void *msg_callback_arg;
+
+ uint32_t verify_mode;
+ size_t sid_ctx_length;
+ unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
+ /* called 'verify_callback' in the SSL */
+ int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx);
+
+ /* Default generate session ID callback. */
+ GEN_SESSION_CB generate_session_id;
+
+ X509_VERIFY_PARAM *param;
+
+ int quiet_shutdown;
+
+# ifndef OPENSSL_NO_CT
+ CTLOG_STORE *ctlog_store; /* CT Log Store */
+ /*
+ * Validates that the SCTs (Signed Certificate Timestamps) are sufficient.
+ * If they are not, the connection should be aborted.
+ */
+ ssl_ct_validation_cb ct_validation_callback;
+ void *ct_validation_callback_arg;
+# endif
+
+ /*
+ * If we're using more than one pipeline how should we divide the data
+ * up between the pipes?
+ */
+ size_t split_send_fragment;
+ /*
+ * Maximum amount of data to send in one fragment. actual record size can
+ * be more than this due to padding and MAC overheads.
+ */
+ size_t max_send_fragment;
+
+ /* Up to how many pipelines should we use? If 0 then 1 is assumed */
+ size_t max_pipelines;
+
+ /* The default read buffer length to use (0 means not set) */
+ size_t default_read_buf_len;
+
+# ifndef OPENSSL_NO_ENGINE
+ /*
+ * Engine to pass requests for client certs to
+ */
+ ENGINE *client_cert_engine;
+# endif
+
+ /* ClientHello callback. Mostly for extensions, but not entirely. */
+ SSL_client_hello_cb_fn client_hello_cb;
+ void *client_hello_cb_arg;
+
+ /* TLS extensions. */
+ struct {
+ /* TLS extensions servername callback */
+ int (*servername_cb) (SSL *, int *, void *);
+ void *servername_arg;
+ /* RFC 4507 session ticket keys */
+ unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH];
+ SSL_CTX_EXT_SECURE *secure;
+ /* Callback to support customisation of ticket key setting */
+ int (*ticket_key_cb) (SSL *ssl,
+ unsigned char *name, unsigned char *iv,
+ EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc);
+
+ /* certificate status request info */
+ /* Callback for status request */
+ int (*status_cb) (SSL *ssl, void *arg);
+ void *status_arg;
+ /* ext status type used for CSR extension (OCSP Stapling) */
+ int status_type;
+ /* RFC 4366 Maximum Fragment Length Negotiation */
+ uint8_t max_fragment_len_mode;
+
+# ifndef OPENSSL_NO_EC
+ /* EC extension values inherited by SSL structure */
+ size_t ecpointformats_len;
+ unsigned char *ecpointformats;
+ size_t supportedgroups_len;
+ uint16_t *supportedgroups;
+# endif /* OPENSSL_NO_EC */
+
+ /*
+ * ALPN information (we are in the process of transitioning from NPN to
+ * ALPN.)
+ */
+
+ /*-
+ * For a server, this contains a callback function that allows the
+ * server to select the protocol for the connection.
+ * out: on successful return, this must point to the raw protocol
+ * name (without the length prefix).
+ * outlen: on successful return, this contains the length of |*out|.
+ * in: points to the client's list of supported protocols in
+ * wire-format.
+ * inlen: the length of |in|.
+ */
+ int (*alpn_select_cb) (SSL *s,
+ const unsigned char **out,
+ unsigned char *outlen,
+ const unsigned char *in,
+ unsigned int inlen, void *arg);
+ void *alpn_select_cb_arg;
+
+ /*
+ * For a client, this contains the list of supported protocols in wire
+ * format.
+ */
+ unsigned char *alpn;
+ size_t alpn_len;
+
+# ifndef OPENSSL_NO_NEXTPROTONEG
+ /* Next protocol negotiation information */
+
+ /*
+ * For a server, this contains a callback function by which the set of
+ * advertised protocols can be provided.
+ */
+ SSL_CTX_npn_advertised_cb_func npn_advertised_cb;
+ void *npn_advertised_cb_arg;
+ /*
+ * For a client, this contains a callback function that selects the next
+ * protocol from the list provided by the server.
+ */
+ SSL_CTX_npn_select_cb_func npn_select_cb;
+ void *npn_select_cb_arg;
+# endif
+
+ unsigned char cookie_hmac_key[SHA256_DIGEST_LENGTH];
+ } ext;
+
+# ifndef OPENSSL_NO_PSK
+ SSL_psk_client_cb_func psk_client_callback;
+ SSL_psk_server_cb_func psk_server_callback;
+# endif
+ SSL_psk_find_session_cb_func psk_find_session_cb;
+ SSL_psk_use_session_cb_func psk_use_session_cb;
+
+# ifndef OPENSSL_NO_SRP
+ SRP_CTX srp_ctx; /* ctx for SRP authentication */
+# endif
+
+ /* Shared DANE context */
+ struct dane_ctx_st dane;
+
+# ifndef OPENSSL_NO_SRTP
+ /* SRTP profiles we are willing to do from RFC 5764 */
+ STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
+# endif
+ /*
+ * Callback for disabling session caching and ticket support on a session
+ * basis, depending on the chosen cipher.
+ */
+ int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
+
+ CRYPTO_RWLOCK *lock;
+
+ /*
+ * Callback for logging key material for use with debugging tools like
+ * Wireshark. The callback should log `line` followed by a newline.
+ */
+ SSL_CTX_keylog_cb_func keylog_callback;
+
+ /*
+ * The maximum number of bytes advertised in session tickets that can be
+ * sent as early data.
+ */
+ uint32_t max_early_data;
+
+ /*
+ * The maximum number of bytes of early data that a server will tolerate
+ * (which should be at least as much as max_early_data).
+ */
+ uint32_t recv_max_early_data;
+
+ /* TLS1.3 padding callback */
+ size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg);
+ void *record_padding_arg;
+ size_t block_padding;
+
+ /* Session ticket appdata */
+ SSL_CTX_generate_session_ticket_fn generate_ticket_cb;
+ SSL_CTX_decrypt_session_ticket_fn decrypt_ticket_cb;
+ void *ticket_cb_data;
+
+ /* The number of TLS1.3 tickets to automatically send */
+ size_t num_tickets;
+
+ /* Callback to determine if early_data is acceptable or not */
+ SSL_allow_early_data_cb_fn allow_early_data_cb;
+ void *allow_early_data_cb_data;
+
+ /* Do we advertise Post-handshake auth support? */
+ int pha_enabled;
+};
+
+struct ssl_st {
+ /*
+ * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION,
+ * DTLS1_VERSION)
+ */
+ int version;
+ /* SSLv3 */
+ const SSL_METHOD *method;
+ /*
+ * There are 2 BIO's even though they are normally both the same. This
+ * is so data can be read and written to different handlers
+ */
+ /* used by SSL_read */
+ BIO *rbio;
+ /* used by SSL_write */
+ BIO *wbio;
+ /* used during session-id reuse to concatenate messages */
+ BIO *bbio;
+ /*
+ * This holds a variable that indicates what we were doing when a 0 or -1
+ * is returned. This is needed for non-blocking IO so we know what
+ * request needs re-doing when in SSL_accept or SSL_connect
+ */
+ int rwstate;
+ int (*handshake_func) (SSL *);
+ /*
+ * Imagine that here's a boolean member "init" that is switched as soon
+ * as SSL_set_{accept/connect}_state is called for the first time, so
+ * that "state" and "handshake_func" are properly initialized. But as
+ * handshake_func is == 0 until then, we use this test instead of an
+ * "init" member.
+ */
+ /* are we the server side? */
+ int server;
+ /*
+ * Generate a new session or reuse an old one.
+ * NB: For servers, the 'new' session may actually be a previously
+ * cached session or even the previous session unless
+ * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set
+ */
+ int new_session;
+ /* don't send shutdown packets */
+ int quiet_shutdown;
+ /* we have shut things down, 0x01 sent, 0x02 for received */
+ int shutdown;
+ /* where we are */
+ OSSL_STATEM statem;
+ SSL_EARLY_DATA_STATE early_data_state;
+ BUF_MEM *init_buf; /* buffer used during init */
+ void *init_msg; /* pointer to handshake message body, set by
+ * ssl3_get_message() */
+ size_t init_num; /* amount read/written */
+ size_t init_off; /* amount read/written */
+ struct ssl3_state_st *s3; /* SSLv3 variables */
+ struct dtls1_state_st *d1; /* DTLSv1 variables */
+ /* callback that allows applications to peek at protocol messages */
+ void (*msg_callback) (int write_p, int version, int content_type,
+ const void *buf, size_t len, SSL *ssl, void *arg);
+ void *msg_callback_arg;
+ int hit; /* reusing a previous session */
+ X509_VERIFY_PARAM *param;
+ /* Per connection DANE state */
+ SSL_DANE dane;
+ /* crypto */
+ STACK_OF(SSL_CIPHER) *peer_ciphers;
+ STACK_OF(SSL_CIPHER) *cipher_list;
+ STACK_OF(SSL_CIPHER) *cipher_list_by_id;
+ /* TLSv1.3 specific ciphersuites */
+ STACK_OF(SSL_CIPHER) *tls13_ciphersuites;
+ /*
+ * These are the ones being used, the ones in SSL_SESSION are the ones to
+ * be 'copied' into these ones
+ */
+ uint32_t mac_flags;
+ /*
+ * The TLS1.3 secrets.
+ */
+ unsigned char early_secret[EVP_MAX_MD_SIZE];
+ unsigned char handshake_secret[EVP_MAX_MD_SIZE];
+ unsigned char master_secret[EVP_MAX_MD_SIZE];
+ unsigned char resumption_master_secret[EVP_MAX_MD_SIZE];
+ unsigned char client_finished_secret[EVP_MAX_MD_SIZE];
+ unsigned char server_finished_secret[EVP_MAX_MD_SIZE];
+ unsigned char server_finished_hash[EVP_MAX_MD_SIZE];
+ unsigned char handshake_traffic_hash[EVP_MAX_MD_SIZE];
+ unsigned char client_app_traffic_secret[EVP_MAX_MD_SIZE];
+ unsigned char server_app_traffic_secret[EVP_MAX_MD_SIZE];
+ unsigned char exporter_master_secret[EVP_MAX_MD_SIZE];
+ unsigned char early_exporter_master_secret[EVP_MAX_MD_SIZE];
+ EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */
+ unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */
+ EVP_MD_CTX *read_hash; /* used for mac generation */
+ COMP_CTX *compress; /* compression */
+ COMP_CTX *expand; /* uncompress */
+ EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
+ unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */
+ EVP_MD_CTX *write_hash; /* used for mac generation */
+ /* session info */
+ /* client cert? */
+ /* This is used to hold the server certificate used */
+ struct cert_st /* CERT */ *cert;
+
+ /*
+ * The hash of all messages prior to the CertificateVerify, and the length
+ * of that hash.
+ */
+ unsigned char cert_verify_hash[EVP_MAX_MD_SIZE];
+ size_t cert_verify_hash_len;
+
+ /* Flag to indicate whether we should send a HelloRetryRequest or not */
+ enum {SSL_HRR_NONE = 0, SSL_HRR_PENDING, SSL_HRR_COMPLETE}
+ hello_retry_request;
+
+ /*
+ * the session_id_context is used to ensure sessions are only reused in
+ * the appropriate context
+ */
+ size_t sid_ctx_length;
+ unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
+ /* This can also be in the session once a session is established */
+ SSL_SESSION *session;
+ /* TLSv1.3 PSK session */
+ SSL_SESSION *psksession;
+ unsigned char *psksession_id;
+ size_t psksession_id_len;
+ /* Default generate session ID callback. */
+ GEN_SESSION_CB generate_session_id;
+ /*
+ * The temporary TLSv1.3 session id. This isn't really a session id at all
+ * but is a random value sent in the legacy session id field.
+ */
+ unsigned char tmp_session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
+ size_t tmp_session_id_len;
+ /* Used in SSL3 */
+ /*
+ * 0 don't care about verify failure.
+ * 1 fail if verify fails
+ */
+ uint32_t verify_mode;
+ /* fail if callback returns 0 */
+ int (*verify_callback) (int ok, X509_STORE_CTX *ctx);
+ /* optional informational callback */
+ void (*info_callback) (const SSL *ssl, int type, int val);
+ /* error bytes to be written */
+ int error;
+ /* actual code */
+ int error_code;
+# ifndef OPENSSL_NO_PSK
+ SSL_psk_client_cb_func psk_client_callback;
+ SSL_psk_server_cb_func psk_server_callback;
+# endif
+ SSL_psk_find_session_cb_func psk_find_session_cb;
+ SSL_psk_use_session_cb_func psk_use_session_cb;
+
+ SSL_CTX *ctx;
+ /* Verified chain of peer */
+ STACK_OF(X509) *verified_chain;
+ long verify_result;
+ /* extra application data */
+ CRYPTO_EX_DATA ex_data;
+ /*
+ * What we put in certificate_authorities extension for TLS 1.3
+ * (ClientHello and CertificateRequest) or just client cert requests for
+ * earlier versions. If client_ca_names is populated then it is only used
+ * for client cert requests, and in preference to ca_names.
+ */
+ STACK_OF(X509_NAME) *ca_names;
+ STACK_OF(X509_NAME) *client_ca_names;
+ CRYPTO_REF_COUNT references;
+ /* protocol behaviour */
+ uint32_t options;
+ /* API behaviour */
+ uint32_t mode;
+ int min_proto_version;
+ int max_proto_version;
+ size_t max_cert_list;
+ int first_packet;
+ /*
+ * What was passed in ClientHello.legacy_version. Used for RSA pre-master
+ * secret and SSLv3/TLS (<=1.2) rollback check
+ */
+ int client_version;
+ /*
+ * If we're using more than one pipeline how should we divide the data
+ * up between the pipes?
+ */
+ size_t split_send_fragment;
+ /*
+ * Maximum amount of data to send in one fragment. actual record size can
+ * be more than this due to padding and MAC overheads.
+ */
+ size_t max_send_fragment;
+ /* Up to how many pipelines should we use? If 0 then 1 is assumed */
+ size_t max_pipelines;
+
+ struct {
+ /* Built-in extension flags */
+ uint8_t extflags[TLSEXT_IDX_num_builtins];
+ /* TLS extension debug callback */
+ void (*debug_cb)(SSL *s, int client_server, int type,
+ const unsigned char *data, int len, void *arg);
+ void *debug_arg;
+ char *hostname;
+ /* certificate status request info */
+ /* Status type or -1 if no status type */
+ int status_type;
+ /* Raw extension data, if seen */
+ unsigned char *scts;
+ /* Length of raw extension data, if seen */
+ uint16_t scts_len;
+ /* Expect OCSP CertificateStatus message */
+ int status_expected;
+
+ struct {
+ /* OCSP status request only */
+ STACK_OF(OCSP_RESPID) *ids;
+ X509_EXTENSIONS *exts;
+ /* OCSP response received or to be sent */
+ unsigned char *resp;
+ size_t resp_len;
+ } ocsp;
+
+ /* RFC4507 session ticket expected to be received or sent */
+ int ticket_expected;
+# ifndef OPENSSL_NO_EC
+ size_t ecpointformats_len;
+ /* our list */
+ unsigned char *ecpointformats;
+
+ size_t peer_ecpointformats_len;
+ /* peer's list */
+ unsigned char *peer_ecpointformats;
+# endif /* OPENSSL_NO_EC */
+ size_t supportedgroups_len;
+ /* our list */
+ uint16_t *supportedgroups;
+
+ size_t peer_supportedgroups_len;
+ /* peer's list */
+ uint16_t *peer_supportedgroups;
+
+ /* TLS Session Ticket extension override */
+ TLS_SESSION_TICKET_EXT *session_ticket;
+ /* TLS Session Ticket extension callback */
+ tls_session_ticket_ext_cb_fn session_ticket_cb;
+ void *session_ticket_cb_arg;
+ /* TLS pre-shared secret session resumption */
+ tls_session_secret_cb_fn session_secret_cb;
+ void *session_secret_cb_arg;
+ /*
+ * For a client, this contains the list of supported protocols in wire
+ * format.
+ */
+ unsigned char *alpn;
+ size_t alpn_len;
+ /*
+ * Next protocol negotiation. For the client, this is the protocol that
+ * we sent in NextProtocol and is set when handling ServerHello
+ * extensions. For a server, this is the client's selected_protocol from
+ * NextProtocol and is set when handling the NextProtocol message, before
+ * the Finished message.
+ */
+ unsigned char *npn;
+ size_t npn_len;
+
+ /* The available PSK key exchange modes */
+ int psk_kex_mode;
+
+ /* Set to one if we have negotiated ETM */
+ int use_etm;
+
+ /* Are we expecting to receive early data? */
+ int early_data;
+ /* Is the session suitable for early data? */
+ int early_data_ok;
+
+ /* May be sent by a server in HRR. Must be echoed back in ClientHello */
+ unsigned char *tls13_cookie;
+ size_t tls13_cookie_len;
+ /* Have we received a cookie from the client? */
+ int cookieok;
+
+ /*
+ * Maximum Fragment Length as per RFC 4366.
+ * If this member contains one of the allowed values (1-4)
+ * then we should include Maximum Fragment Length Negotiation
+ * extension in Client Hello.
+ * Please note that value of this member does not have direct
+ * effect. The actual (binding) value is stored in SSL_SESSION,
+ * as this extension is optional on server side.
+ */
+ uint8_t max_fragment_len_mode;
+
+ /*
+ * On the client side the number of ticket identities we sent in the
+ * ClientHello. On the server side the identity of the ticket we
+ * selected.
+ */
+ int tick_identity;
+ } ext;
+
+ /*
+ * Parsed form of the ClientHello, kept around across client_hello_cb
+ * calls.
+ */
+ CLIENTHELLO_MSG *clienthello;
+
+ /*-
+ * no further mod of servername
+ * 0 : call the servername extension callback.
+ * 1 : prepare 2, allow last ack just after in server callback.
+ * 2 : don't call servername callback, no ack in server hello
+ */
+ int servername_done;
+# ifndef OPENSSL_NO_CT
+ /*
+ * Validates that the SCTs (Signed Certificate Timestamps) are sufficient.
+ * If they are not, the connection should be aborted.
+ */
+ ssl_ct_validation_cb ct_validation_callback;
+ /* User-supplied argument that is passed to the ct_validation_callback */
+ void *ct_validation_callback_arg;
+ /*
+ * Consolidated stack of SCTs from all sources.
+ * Lazily populated by CT_get_peer_scts(SSL*)
+ */
+ STACK_OF(SCT) *scts;
+ /* Have we attempted to find/parse SCTs yet? */
+ int scts_parsed;
+# endif
+ SSL_CTX *session_ctx; /* initial ctx, used to store sessions */
+# ifndef OPENSSL_NO_SRTP
+ /* What we'll do */
+ STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
+ /* What's been chosen */
+ SRTP_PROTECTION_PROFILE *srtp_profile;
+# endif
+ /*-
+ * 1 if we are renegotiating.
+ * 2 if we are a server and are inside a handshake
+ * (i.e. not just sending a HelloRequest)
+ */
+ int renegotiate;
+ /* If sending a KeyUpdate is pending */
+ int key_update;
+ /* Post-handshake authentication state */
+ SSL_PHA_STATE post_handshake_auth;
+ int pha_enabled;
+ uint8_t* pha_context;
+ size_t pha_context_len;
+ int certreqs_sent;
+ EVP_MD_CTX *pha_dgst; /* this is just the digest through ClientFinished */
+
+# ifndef OPENSSL_NO_SRP
+ /* ctx for SRP authentication */
+ SRP_CTX srp_ctx;
+# endif
+ /*
+ * Callback for disabling session caching and ticket support on a session
+ * basis, depending on the chosen cipher.
+ */
+ int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
+ RECORD_LAYER rlayer;
+ /* Default password callback. */
+ pem_password_cb *default_passwd_callback;
+ /* Default password callback user data. */
+ void *default_passwd_callback_userdata;
+ /* Async Job info */
+ ASYNC_JOB *job;
+ ASYNC_WAIT_CTX *waitctx;
+ size_t asyncrw;
+
+ /*
+ * The maximum number of bytes advertised in session tickets that can be
+ * sent as early data.
+ */
+ uint32_t max_early_data;
+ /*
+ * The maximum number of bytes of early data that a server will tolerate
+ * (which should be at least as much as max_early_data).
+ */
+ uint32_t recv_max_early_data;
+
+ /*
+ * The number of bytes of early data received so far. If we accepted early
+ * data then this is a count of the plaintext bytes. If we rejected it then
+ * this is a count of the ciphertext bytes.
+ */
+ uint32_t early_data_count;
+
+ /* TLS1.3 padding callback */
+ size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg);
+ void *record_padding_arg;
+ size_t block_padding;
+
+ CRYPTO_RWLOCK *lock;
+
+ /* The number of TLS1.3 tickets to automatically send */
+ size_t num_tickets;
+ /* The number of TLS1.3 tickets actually sent so far */
+ size_t sent_tickets;
+ /* The next nonce value to use when we send a ticket on this connection */
+ uint64_t next_ticket_nonce;
+
+ /* Callback to determine if early_data is acceptable or not */
+ SSL_allow_early_data_cb_fn allow_early_data_cb;
+ void *allow_early_data_cb_data;
+
+ /*
+ * Signature algorithms shared by client and server: cached because these
+ * are used most often.
+ */
+ const struct sigalg_lookup_st **shared_sigalgs;
+ size_t shared_sigalgslen;
+};
+
+/*
+ * Structure containing table entry of values associated with the signature
+ * algorithms (signature scheme) extension
+*/
+typedef struct sigalg_lookup_st {
+ /* TLS 1.3 signature scheme name */
+ const char *name;
+ /* Raw value used in extension */
+ uint16_t sigalg;
+ /* NID of hash algorithm or NID_undef if no hash */
+ int hash;
+ /* Index of hash algorithm or -1 if no hash algorithm */
+ int hash_idx;
+ /* NID of signature algorithm */
+ int sig;
+ /* Index of signature algorithm */
+ int sig_idx;
+ /* Combined hash and signature NID, if any */
+ int sigandhash;
+ /* Required public key curve (ECDSA only) */
+ int curve;
+} SIGALG_LOOKUP;
+
+typedef struct tls_group_info_st {
+ int nid; /* Curve NID */
+ int secbits; /* Bits of security (from SP800-57) */
+ uint16_t flags; /* Flags: currently just group type */
+} TLS_GROUP_INFO;
+
+/* flags values */
+# define TLS_CURVE_TYPE 0x3 /* Mask for group type */
+# define TLS_CURVE_PRIME 0x0
+# define TLS_CURVE_CHAR2 0x1
+# define TLS_CURVE_CUSTOM 0x2
+
+typedef struct cert_pkey_st CERT_PKEY;
+
+/*
+ * Structure containing table entry of certificate info corresponding to
+ * CERT_PKEY entries
+ */
+typedef struct {
+ int nid; /* NID of public key algorithm */
+ uint32_t amask; /* authmask corresponding to key type */
+} SSL_CERT_LOOKUP;
+
+typedef struct ssl3_state_st {
+ long flags;
+ size_t read_mac_secret_size;
+ unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
+ size_t 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;
+ /* used during startup, digest all incoming/outgoing packets */
+ BIO *handshake_buffer;
+ /*
+ * When handshake digest is determined, buffer is hashed and
+ * freed and MD_CTX for the required digest is stored here.
+ */
+ EVP_MD_CTX *handshake_dgst;
+ /*
+ * Set whenever an expected ChangeCipherSpec message is processed.
+ * Unset when the peer's Finished message is received.
+ * Unexpected ChangeCipherSpec messages trigger a fatal alert.
+ */
+ 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;
+ struct {
+ /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
+ unsigned char finish_md[EVP_MAX_MD_SIZE * 2];
+ size_t finish_md_len;
+ unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
+ size_t peer_finish_md_len;
+ size_t message_size;
+ int message_type;
+ /* used to hold the new cipher we are going to use */
+ const SSL_CIPHER *new_cipher;
+# if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
+ EVP_PKEY *pkey; /* holds short lived DH/ECDH key */
+# endif
+ /* used for certificate requests */
+ int cert_req;
+ /* Certificate types in certificate request message. */
+ uint8_t *ctype;
+ size_t ctype_len;
+ /* Certificate authorities list peer sent */
+ STACK_OF(X509_NAME) *peer_ca_names;
+ size_t key_block_length;
+ unsigned char *key_block;
+ const EVP_CIPHER *new_sym_enc;
+ const EVP_MD *new_hash;
+ int new_mac_pkey_type;
+ size_t new_mac_secret_size;
+# ifndef OPENSSL_NO_COMP
+ const SSL_COMP *new_compression;
+# else
+ char *new_compression;
+# endif
+ int cert_request;
+ /* Raw values of the cipher list from a client */
+ unsigned char *ciphers_raw;
+ size_t ciphers_rawlen;
+ /* Temporary storage for premaster secret */
+ unsigned char *pms;
+ size_t pmslen;
+# ifndef OPENSSL_NO_PSK
+ /* Temporary storage for PSK key */
+ unsigned char *psk;
+ size_t psklen;
+# endif
+ /* Signature algorithm we actually use */
+ const SIGALG_LOOKUP *sigalg;
+ /* Pointer to certificate we use */
+ CERT_PKEY *cert;
+ /*
+ * signature algorithms peer reports: e.g. supported signature
+ * algorithms extension for server or as part of a certificate
+ * request for client.
+ * Keep track of the algorithms for TLS and X.509 usage separately.
+ */
+ uint16_t *peer_sigalgs;
+ uint16_t *peer_cert_sigalgs;
+ /* Size of above arrays */
+ size_t peer_sigalgslen;
+ size_t peer_cert_sigalgslen;
+ /* Sigalg peer actually uses */
+ const SIGALG_LOOKUP *peer_sigalg;
+ /*
+ * Set if corresponding 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.
+ */
+ uint32_t valid_flags[SSL_PKEY_NUM];
+ /*
+ * 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.
+ */
+ uint32_t mask_k;
+ uint32_t mask_a;
+ /*
+ * The following are used by the client to see if a cipher is allowed or
+ * not. It contains the minimum and maximum version the client's using
+ * based on what it knows so far.
+ */
+ int min_ver;
+ int max_ver;
+ } tmp;
+
+ /* Connection binding to prevent renegotiation attacks */
+ unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
+ size_t previous_client_finished_len;
+ unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
+ size_t previous_server_finished_len;
+ int send_connection_binding; /* TODOEKR */
+
+# ifndef OPENSSL_NO_NEXTPROTONEG
+ /*
+ * Set if we saw the Next Protocol Negotiation extension from our peer.
+ */
+ int npn_seen;
+# endif
+
+ /*
+ * ALPN information (we are in the process of transitioning from NPN to
+ * ALPN.)
+ */
+
+ /*
+ * In a server these point to the selected ALPN protocol after the
+ * ClientHello has been processed. In a client these contain the protocol
+ * that the server selected once the ServerHello has been processed.
+ */
+ unsigned char *alpn_selected;
+ size_t alpn_selected_len;
+ /* used by the server to know what options were proposed */
+ unsigned char *alpn_proposed;
+ size_t alpn_proposed_len;
+ /* used by the client to know if it actually sent alpn */
+ int alpn_sent;
+
+# ifndef OPENSSL_NO_EC
+ /*
+ * This is set to true if we believe that this is a version of Safari
+ * running on OS X 10.6 or newer. We wish to know this because Safari on
+ * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
+ */
+ char is_probably_safari;
+# endif /* !OPENSSL_NO_EC */
+
+ /* For clients: peer temporary key */
+# if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
+ /* The group_id for the DH/ECDH key */
+ uint16_t group_id;
+ EVP_PKEY *peer_tmp;
+# endif
+
+} SSL3_STATE;
+
+/* DTLS structures */
+
+# ifndef OPENSSL_NO_SCTP
+# define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP"
+# endif
+
+/* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */
+# define DTLS1_MAX_MTU_OVERHEAD 48
+
+/*
+ * Flag used in message reuse to indicate the buffer contains the record
+ * header as well as the handshake message header.
+ */
+# define DTLS1_SKIP_RECORD_HEADER 2
+
+struct dtls1_retransmit_state {
+ EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
+ EVP_MD_CTX *write_hash; /* used for mac generation */
+ COMP_CTX *compress; /* compression */
+ SSL_SESSION *session;
+ unsigned short epoch;
+};
+
+struct hm_header_st {
+ unsigned char type;
+ size_t msg_len;
+ unsigned short seq;
+ size_t frag_off;
+ size_t frag_len;
+ unsigned int is_ccs;
+ struct dtls1_retransmit_state saved_retransmit_state;
+};
+
+struct dtls1_timeout_st {
+ /* Number of read timeouts so far */
+ unsigned int read_timeouts;
+ /* Number of write timeouts so far */
+ unsigned int write_timeouts;
+ /* Number of alerts received so far */
+ unsigned int num_alerts;
+};
+
+typedef struct hm_fragment_st {
+ struct hm_header_st msg_header;
+ unsigned char *fragment;
+ unsigned char *reassembly;
+} hm_fragment;
+
+typedef struct pqueue_st pqueue;
+typedef struct pitem_st pitem;
+
+struct pitem_st {
+ unsigned char priority[8]; /* 64-bit value in big-endian encoding */
+ void *data;
+ pitem *next;
+};
+
+typedef struct pitem_st *piterator;
+
+pitem *pitem_new(unsigned char *prio64be, void *data);
+void pitem_free(pitem *item);
+pqueue *pqueue_new(void);
+void pqueue_free(pqueue *pq);
+pitem *pqueue_insert(pqueue *pq, pitem *item);
+pitem *pqueue_peek(pqueue *pq);
+pitem *pqueue_pop(pqueue *pq);
+pitem *pqueue_find(pqueue *pq, unsigned char *prio64be);
+pitem *pqueue_iterator(pqueue *pq);
+pitem *pqueue_next(piterator *iter);
+size_t pqueue_size(pqueue *pq);
+
+typedef struct dtls1_state_st {
+ unsigned char cookie[DTLS1_COOKIE_LENGTH];
+ size_t cookie_len;
+ unsigned int cookie_verified;
+ /* handshake message numbers */
+ unsigned short handshake_write_seq;
+ unsigned short next_handshake_write_seq;
+ unsigned short handshake_read_seq;
+ /* Buffered handshake messages */
+ pqueue *buffered_messages;
+ /* Buffered (sent) handshake records */
+ pqueue *sent_messages;
+ size_t link_mtu; /* max on-the-wire DTLS packet size */
+ size_t mtu; /* max DTLS packet size */
+ struct hm_header_st w_msg_hdr;
+ struct hm_header_st r_msg_hdr;
+ struct dtls1_timeout_st timeout;
+ /*
+ * Indicates when the last handshake msg sent will timeout
+ */
+ struct timeval next_timeout;
+ /* Timeout duration */
+ unsigned int timeout_duration_us;
+
+ unsigned int retransmitting;
+# ifndef OPENSSL_NO_SCTP
+ int shutdown_received;
+# endif
+
+ DTLS_timer_cb timer_cb;
+
+} DTLS1_STATE;
+
+# 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 */
+
+struct cert_pkey_st {
+ X509 *x509;
+ EVP_PKEY *privatekey;
+ /* Chain for this certificate */
+ STACK_OF(X509) *chain;
+ /*-
+ * 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;
+};
+/* 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 enum {
+ ENDPOINT_CLIENT = 0,
+ ENDPOINT_SERVER,
+ ENDPOINT_BOTH
+} ENDPOINT;
+
+
+typedef struct {
+ unsigned short ext_type;
+ ENDPOINT role;
+ /* The context which this extension applies to */
+ unsigned int context;
+ /*
+ * Per-connection flags relating to this extension type: not used if
+ * part of an SSL_CTX structure.
+ */
+ uint32_t ext_flags;
+ SSL_custom_ext_add_cb_ex add_cb;
+ SSL_custom_ext_free_cb_ex free_cb;
+ void *add_arg;
+ SSL_custom_ext_parse_cb_ex 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;
+# ifndef OPENSSL_NO_DH
+ EVP_PKEY *dh_tmp;
+ DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize);
+ int dh_tmp_auto;
+# endif
+ /* Flags related to certificates */
+ uint32_t cert_flags;
+ CERT_PKEY pkeys[SSL_PKEY_NUM];
+ /* Custom certificate types sent in certificate request message. */
+ uint8_t *ctype;
+ size_t ctype_len;
+ /*
+ * supported 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.
+ */
+ uint16_t *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 certificate request for TLS 1.2. On a client this
+ * represents the signature algorithms we are willing to use for client
+ * authentication.
+ */
+ uint16_t *client_sigalgs;
+ /* Size of above array */
+ size_t client_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;
+ /* Custom extensions */
+ custom_ext_methods custext;
+ /* Security callback */
+ int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid,
+ void *other, void *ex);
+ /* Security level */
+ int sec_level;
+ void *sec_ex;
+# ifndef OPENSSL_NO_PSK
+ /* If not NULL psk identity hint to use for servers */
+ char *psk_identity_hint;
+# endif
+ CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */
+ CRYPTO_RWLOCK *lock;
+} CERT;
+
+# define FP_ICC (int (*)(const void *,const void *))
+
+/*
+ * 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 *, SSL3_RECORD *, size_t, int);
+ int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int);
+ int (*setup_key_block) (SSL *);
+ int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *,
+ size_t, size_t *);
+ int (*change_cipher_state) (SSL *, int);
+ size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *);
+ const char *client_finished_label;
+ size_t client_finished_label_len;
+ const char *server_finished_label;
+ size_t 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 */
+ uint32_t enc_flags;
+ /* Set the handshake header */
+ int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type);
+ /* Close construction of the handshake message */
+ int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype);
+ /* Write out handshake message */
+ int (*do_write) (SSL *s);
+} SSL3_ENC_METHOD;
+
+# define ssl_set_handshake_header(s, pkt, htype) \
+ s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype))
+# define ssl_close_construct_packet(s, pkt, htype) \
+ s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype))
+# 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
+
+typedef enum downgrade_en {
+ DOWNGRADE_NONE,
+ DOWNGRADE_TO_1_2,
+ DOWNGRADE_TO_1_1
+} DOWNGRADE;
+
+/*
+ * Dummy status type for the status_type extension. Indicates no status type
+ * set
+ */
+#define TLSEXT_STATUSTYPE_nothing -1
+
+/* Sigalgs values */
+#define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403
+#define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503
+#define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603
+#define TLSEXT_SIGALG_ecdsa_sha224 0x0303
+#define TLSEXT_SIGALG_ecdsa_sha1 0x0203
+#define TLSEXT_SIGALG_rsa_pss_rsae_sha256 0x0804
+#define TLSEXT_SIGALG_rsa_pss_rsae_sha384 0x0805
+#define TLSEXT_SIGALG_rsa_pss_rsae_sha512 0x0806
+#define TLSEXT_SIGALG_rsa_pss_pss_sha256 0x0809
+#define TLSEXT_SIGALG_rsa_pss_pss_sha384 0x080a
+#define TLSEXT_SIGALG_rsa_pss_pss_sha512 0x080b
+#define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401
+#define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501
+#define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601
+#define TLSEXT_SIGALG_rsa_pkcs1_sha224 0x0301
+#define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201
+#define TLSEXT_SIGALG_dsa_sha256 0x0402
+#define TLSEXT_SIGALG_dsa_sha384 0x0502
+#define TLSEXT_SIGALG_dsa_sha512 0x0602
+#define TLSEXT_SIGALG_dsa_sha224 0x0302
+#define TLSEXT_SIGALG_dsa_sha1 0x0202
+#define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee
+#define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef
+#define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded
+
+#define TLSEXT_SIGALG_ed25519 0x0807
+#define TLSEXT_SIGALG_ed448 0x0808
+
+/* Known PSK key exchange modes */
+#define TLSEXT_KEX_MODE_KE 0x00
+#define TLSEXT_KEX_MODE_KE_DHE 0x01
+
+/*
+ * Internal representations of key exchange modes
+ */
+#define TLSEXT_KEX_MODE_FLAG_NONE 0
+#define TLSEXT_KEX_MODE_FLAG_KE 1
+#define TLSEXT_KEX_MODE_FLAG_KE_DHE 2
+
+#define SSL_USE_PSS(s) (s->s3->tmp.peer_sigalg != NULL && \
+ s->s3->tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS)
+
+/* A dummy signature value not valid for TLSv1.2 signature algs */
+#define TLSEXT_signature_rsa_pss 0x0101
+
+/* TLSv1.3 downgrade protection sentinel values */
+extern const unsigned char tls11downgrade[8];
+extern const unsigned char tls12downgrade[8];
+
+extern SSL3_ENC_METHOD ssl3_undef_enc_method;
+
+__owur const SSL_METHOD *ssl_bad_method(int ver);
+__owur const SSL_METHOD *sslv3_method(void);
+__owur const SSL_METHOD *sslv3_server_method(void);
+__owur const SSL_METHOD *sslv3_client_method(void);
+__owur const SSL_METHOD *tlsv1_method(void);
+__owur const SSL_METHOD *tlsv1_server_method(void);
+__owur const SSL_METHOD *tlsv1_client_method(void);
+__owur const SSL_METHOD *tlsv1_1_method(void);
+__owur const SSL_METHOD *tlsv1_1_server_method(void);
+__owur const SSL_METHOD *tlsv1_1_client_method(void);
+__owur const SSL_METHOD *tlsv1_2_method(void);
+__owur const SSL_METHOD *tlsv1_2_server_method(void);
+__owur const SSL_METHOD *tlsv1_2_client_method(void);
+__owur const SSL_METHOD *tlsv1_3_method(void);
+__owur const SSL_METHOD *tlsv1_3_server_method(void);
+__owur const SSL_METHOD *tlsv1_3_client_method(void);
+__owur const SSL_METHOD *dtlsv1_method(void);
+__owur const SSL_METHOD *dtlsv1_server_method(void);
+__owur const SSL_METHOD *dtlsv1_client_method(void);
+__owur const SSL_METHOD *dtls_bad_ver_client_method(void);
+__owur const SSL_METHOD *dtlsv1_2_method(void);
+__owur const SSL_METHOD *dtlsv1_2_server_method(void);
+__owur const SSL_METHOD *dtlsv1_2_client_method(void);
+
+extern const SSL3_ENC_METHOD TLSv1_enc_data;
+extern const SSL3_ENC_METHOD TLSv1_1_enc_data;
+extern const SSL3_ENC_METHOD TLSv1_2_enc_data;
+extern const SSL3_ENC_METHOD TLSv1_3_enc_data;
+extern const SSL3_ENC_METHOD SSLv3_enc_data;
+extern const SSL3_ENC_METHOD DTLSv1_enc_data;
+extern const SSL3_ENC_METHOD DTLSv1_2_enc_data;
+
+/*
+ * Flags for SSL methods
+ */
+# define SSL_METHOD_NO_FIPS (1U<<0)
+# define SSL_METHOD_NO_SUITEB (1U<<1)
+
+# define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \
+ s_connect, enc_data) \
+const SSL_METHOD *func_name(void) \
+ { \
+ static const SSL_METHOD func_name##_data= { \
+ version, \
+ flags, \
+ mask, \
+ tls1_new, \
+ tls1_clear, \
+ tls1_free, \
+ s_accept, \
+ s_connect, \
+ ssl3_read, \
+ ssl3_peek, \
+ ssl3_write, \
+ ssl3_shutdown, \
+ ssl3_renegotiate, \
+ ssl3_renegotiate_check, \
+ 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, \
+ 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) \
+const SSL_METHOD *func_name(void) \
+ { \
+ static const SSL_METHOD func_name##_data= { \
+ SSL3_VERSION, \
+ SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \
+ SSL_OP_NO_SSLv3, \
+ ssl3_new, \
+ ssl3_clear, \
+ ssl3_free, \
+ s_accept, \
+ s_connect, \
+ ssl3_read, \
+ ssl3_peek, \
+ ssl3_write, \
+ ssl3_shutdown, \
+ ssl3_renegotiate, \
+ ssl3_renegotiate_check, \
+ 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, \
+ ssl3_default_timeout, \
+ &SSLv3_enc_data, \
+ ssl_undefined_void_function, \
+ ssl3_callback_ctrl, \
+ ssl3_ctx_callback_ctrl, \
+ }; \
+ return &func_name##_data; \
+ }
+
+# define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \
+ s_connect, enc_data) \
+const SSL_METHOD *func_name(void) \
+ { \
+ static const SSL_METHOD func_name##_data= { \
+ version, \
+ flags, \
+ mask, \
+ dtls1_new, \
+ dtls1_clear, \
+ dtls1_free, \
+ s_accept, \
+ s_connect, \
+ ssl3_read, \
+ ssl3_peek, \
+ ssl3_write, \
+ dtls1_shutdown, \
+ ssl3_renegotiate, \
+ ssl3_renegotiate_check, \
+ 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, \
+ ssl3_get_cipher, \
+ 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 (*p_ssl3_setup_buffers) (SSL *s);
+};
+
+const char *ssl_protocol_to_string(int version);
+
+/* Returns true if certificate and private key for 'idx' are present */
+static ossl_inline int ssl_has_cert(const SSL *s, int idx)
+{
+ if (idx < 0 || idx >= SSL_PKEY_NUM)
+ return 0;
+ return s->cert->pkeys[idx].x509 != NULL
+ && s->cert->pkeys[idx].privatekey != NULL;
+}
+
+static ossl_inline void tls1_get_peer_groups(SSL *s, const uint16_t **pgroups,
+ size_t *pgroupslen)
+{
+ *pgroups = s->ext.peer_supportedgroups;
+ *pgroupslen = s->ext.peer_supportedgroups_len;
+}
+
+# ifndef OPENSSL_UNIT_TEST
+
+__owur int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes);
+__owur int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written);
+void ssl_clear_cipher_ctx(SSL *s);
+int ssl_clear_bad_session(SSL *s);
+__owur CERT *ssl_cert_new(void);
+__owur CERT *ssl_cert_dup(CERT *cert);
+void ssl_cert_clear_certs(CERT *c);
+void ssl_cert_free(CERT *c);
+__owur int ssl_generate_session_id(SSL *s, SSL_SESSION *ss);
+__owur int ssl_get_new_session(SSL *s, int session);
+__owur SSL_SESSION *lookup_sess_in_cache(SSL *s, const unsigned char *sess_id,
+ size_t sess_id_len);
+__owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello);
+__owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket);
+__owur 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);
+__owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
+ const SSL_CIPHER *const *bp);
+__owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,
+ STACK_OF(SSL_CIPHER) *tls13_ciphersuites,
+ STACK_OF(SSL_CIPHER) **cipher_list,
+ STACK_OF(SSL_CIPHER) **cipher_list_by_id,
+ const char *rule_str,
+ CERT *c);
+__owur int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites, int sslv2format);
+__owur int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites,
+ STACK_OF(SSL_CIPHER) **skp,
+ STACK_OF(SSL_CIPHER) **scsvs, int sslv2format,
+ int fatal);
+void ssl_update_cache(SSL *s, int mode);
+__owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
+ const EVP_MD **md, int *mac_pkey_type,
+ size_t *mac_secret_size, SSL_COMP **comp,
+ int use_etm);
+__owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead,
+ size_t *int_overhead, size_t *blocksize,
+ size_t *ext_overhead);
+__owur int ssl_cert_is_disabled(size_t idx);
+__owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl,
+ const unsigned char *ptr,
+ int all);
+__owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
+__owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
+__owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
+__owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
+__owur int ssl_cert_select_current(CERT *c, X509 *x);
+__owur int ssl_cert_set_current(CERT *c, long arg);
+void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg);
+
+__owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk);
+__owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags);
+__owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain,
+ int ref);
+
+__owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other);
+__owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid,
+ void *other);
int ssl_get_security_level_bits(const SSL *s, const SSL_CTX *ctx, int *levelp);
-
-__owur int ssl_cert_lookup_by_nid(int nid, size_t *pidx);
-__owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk,
- size_t *pidx);
-__owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx);
-
-int ssl_undefined_function(SSL *s);
-__owur int ssl_undefined_void_function(void);
-__owur int ssl_undefined_const_function(const SSL *s);
-__owur int ssl_get_server_cert_serverinfo(SSL *s,
- const unsigned char **serverinfo,
- size_t *serverinfo_length);
-void ssl_set_masks(SSL *s);
-__owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
-__owur int ssl_x509err2alert(int type);
-void ssl_sort_cipher_list(void);
-int ssl_load_ciphers(void);
-__owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field,
- size_t len, DOWNGRADE dgrd);
-__owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen,
- int free_pms);
-__owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm);
-__owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey,
- int genmaster);
-__owur EVP_PKEY *ssl_dh_to_pkey(DH *dh);
-__owur unsigned int ssl_get_max_send_fragment(const SSL *ssl);
-__owur unsigned int ssl_get_split_send_fragment(const SSL *ssl);
-
-__owur const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id);
-__owur const SSL_CIPHER *ssl3_get_cipher_by_std_name(const char *stdname);
-__owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
-__owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt,
- size_t *len);
-int ssl3_init_finished_mac(SSL *s);
-__owur int ssl3_setup_key_block(SSL *s);
-__owur int ssl3_change_cipher_state(SSL *s, int which);
-void ssl3_cleanup_key_block(SSL *s);
-__owur int ssl3_do_write(SSL *s, int type);
-int ssl3_send_alert(SSL *s, int level, int desc);
-__owur int ssl3_generate_master_secret(SSL *s, unsigned char *out,
- unsigned char *p, size_t len,
- size_t *secret_size);
-__owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt);
-__owur int ssl3_num_ciphers(void);
-__owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
-int ssl3_renegotiate(SSL *ssl);
-int ssl3_renegotiate_check(SSL *ssl, int initok);
-__owur int ssl3_dispatch_alert(SSL *s);
-__owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen,
- unsigned char *p);
-__owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len);
-void ssl3_free_digest_list(SSL *s);
-__owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt,
- CERT_PKEY *cpk);
-__owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,
- STACK_OF(SSL_CIPHER) *clnt,
- STACK_OF(SSL_CIPHER) *srvr);
-__owur int ssl3_digest_cached_records(SSL *s, int keep);
-__owur int ssl3_new(SSL *s);
-void ssl3_free(SSL *s);
-__owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes);
-__owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes);
-__owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written);
-__owur int ssl3_shutdown(SSL *s);
-int ssl3_clear(SSL *s);
-__owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg);
-__owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
-__owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
-__owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
-
-__owur int ssl3_do_change_cipher_spec(SSL *ssl);
-__owur long ssl3_default_timeout(void);
-
-__owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype);
-__owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype);
-__owur int tls_setup_handshake(SSL *s);
-__owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype);
-__owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype);
-__owur int ssl3_handshake_write(SSL *s);
-
-__owur int ssl_allow_compression(SSL *s);
-
-__owur int ssl_version_supported(const SSL *s, int version,
- const SSL_METHOD **meth);
-
-__owur int ssl_set_client_hello_version(SSL *s);
-__owur int ssl_check_version_downgrade(SSL *s);
-__owur int ssl_set_version_bound(int method_version, int version, int *bound);
-__owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello,
- DOWNGRADE *dgrd);
-__owur int ssl_choose_client_version(SSL *s, int version,
- RAW_EXTENSION *extensions);
-__owur int ssl_get_min_max_version(const SSL *s, int *min_version,
- int *max_version, int *real_max);
-
-__owur long tls1_default_timeout(void);
-__owur int dtls1_do_write(SSL *s, int type);
-void dtls1_set_message_header(SSL *s,
- unsigned char mt,
- size_t len,
- size_t frag_off, size_t frag_len);
-
-int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len,
- size_t *written);
-
-__owur int dtls1_read_failed(SSL *s, int code);
-__owur int dtls1_buffer_message(SSL *s, int ccs);
-__owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found);
-__owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
-int dtls1_retransmit_buffered_messages(SSL *s);
-void dtls1_clear_received_buffer(SSL *s);
-void dtls1_clear_sent_buffer(SSL *s);
-void dtls1_get_message_header(unsigned char *data,
- struct hm_header_st *msg_hdr);
-__owur long dtls1_default_timeout(void);
-__owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft);
-__owur int dtls1_check_timeout_num(SSL *s);
-__owur int dtls1_handle_timeout(SSL *s);
-void dtls1_start_timer(SSL *s);
-void dtls1_stop_timer(SSL *s);
-__owur int dtls1_is_timer_expired(SSL *s);
-__owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie,
- size_t cookie_len);
-__owur size_t dtls1_min_mtu(SSL *s);
-void dtls1_hm_fragment_free(hm_fragment *frag);
-__owur int dtls1_query_mtu(SSL *s);
-
-__owur int tls1_new(SSL *s);
-void tls1_free(SSL *s);
-int tls1_clear(SSL *s);
-
-__owur int dtls1_new(SSL *s);
-void dtls1_free(SSL *s);
-int dtls1_clear(SSL *s);
-long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg);
-__owur int dtls1_shutdown(SSL *s);
-
-__owur int dtls1_dispatch_alert(SSL *s);
-
-__owur int ssl_init_wbio_buffer(SSL *s);
-int ssl_free_wbio_buffer(SSL *s);
-
-__owur int tls1_change_cipher_state(SSL *s, int which);
-__owur int tls1_setup_key_block(SSL *s);
-__owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen,
- unsigned char *p);
-__owur int tls1_generate_master_secret(SSL *s, unsigned char *out,
- unsigned char *p, size_t len,
- size_t *secret_size);
-__owur int tls13_setup_key_block(SSL *s);
-__owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen,
- unsigned char *p);
-__owur int tls13_change_cipher_state(SSL *s, int which);
-__owur int tls13_update_key(SSL *s, int send);
-__owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md,
- const unsigned char *secret,
- const unsigned char *label, size_t labellen,
- const unsigned char *data, size_t datalen,
- unsigned char *out, size_t outlen, int fatal);
-__owur int tls13_derive_key(SSL *s, const EVP_MD *md,
- const unsigned char *secret, unsigned char *key,
- size_t keylen);
-__owur int tls13_derive_iv(SSL *s, const EVP_MD *md,
- const unsigned char *secret, unsigned char *iv,
- size_t ivlen);
-__owur int tls13_derive_finishedkey(SSL *s, const EVP_MD *md,
- const unsigned char *secret,
- unsigned char *fin, size_t finlen);
-int tls13_generate_secret(SSL *s, const EVP_MD *md,
- const unsigned char *prevsecret,
- const unsigned char *insecret,
- size_t insecretlen,
- unsigned char *outsecret);
-__owur int tls13_generate_handshake_secret(SSL *s,
- const unsigned char *insecret,
- size_t insecretlen);
-__owur int tls13_generate_master_secret(SSL *s, unsigned char *out,
- unsigned char *prev, size_t prevlen,
- size_t *secret_size);
-__owur 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);
-__owur int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen,
- const char *label, size_t llen,
- const unsigned char *context,
- size_t contextlen, int use_context);
-__owur int tls13_export_keying_material_early(SSL *s, unsigned char *out,
- size_t olen, const char *label,
- size_t llen,
- const unsigned char *context,
- size_t contextlen);
-__owur int tls1_alert_code(int code);
-__owur int tls13_alert_code(int code);
-__owur int ssl3_alert_code(int code);
-
-# ifndef OPENSSL_NO_EC
-__owur 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
-
-__owur const TLS_GROUP_INFO *tls1_group_id_lookup(uint16_t curve_id);
-__owur int tls1_check_group_id(SSL *s, uint16_t group_id, int check_own_curves);
-__owur uint16_t tls1_shared_group(SSL *s, int nmatch);
-__owur int tls1_set_groups(uint16_t **pext, size_t *pextlen,
- int *curves, size_t ncurves);
-__owur int tls1_set_groups_list(uint16_t **pext, size_t *pextlen,
- const char *str);
-void tls1_get_formatlist(SSL *s, const unsigned char **pformats,
- size_t *num_formats);
-__owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
-__owur EVP_PKEY *ssl_generate_pkey_group(SSL *s, uint16_t id);
-__owur EVP_PKEY *ssl_generate_param_group(uint16_t id);
-# endif /* OPENSSL_NO_EC */
-
-__owur int tls_curve_allowed(SSL *s, uint16_t curve, int op);
-void tls1_get_supported_groups(SSL *s, const uint16_t **pgroups,
- size_t *pgroupslen);
-
-__owur int tls1_set_server_sigalgs(SSL *s);
-
-__owur SSL_TICKET_STATUS tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello,
- SSL_SESSION **ret);
-__owur SSL_TICKET_STATUS tls_decrypt_ticket(SSL *s, const unsigned char *etick,
- size_t eticklen,
- const unsigned char *sess_id,
- size_t sesslen, SSL_SESSION **psess);
-
-__owur int tls_use_ticket(SSL *s);
-
-void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op);
-
-__owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
-__owur int tls1_set_raw_sigalgs(CERT *c, const uint16_t *psigs, size_t salglen,
- int client);
-__owur 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);
-
-# ifndef OPENSSL_NO_CT
-__owur int ssl_validate_ct(SSL *s);
-# endif
-
-# ifndef OPENSSL_NO_DH
-__owur DH *ssl_get_auto_dh(SSL *s);
-# endif
-
-__owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee);
-__owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex,
- int vfy);
-
-int tls_choose_sigalg(SSL *s, int fatalerrs);
-
-__owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md);
-void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
-__owur long ssl_get_algorithm2(SSL *s);
-__owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt,
- const uint16_t *psig, size_t psiglen);
-__owur int tls1_save_u16(PACKET *pkt, uint16_t **pdest, size_t *pdestlen);
-__owur int tls1_save_sigalgs(SSL *s, PACKET *pkt, int cert);
-__owur int tls1_process_sigalgs(SSL *s);
-__owur int tls1_set_peer_legacy_sigalg(SSL *s, const EVP_PKEY *pkey);
-__owur int tls1_lookup_md(const SIGALG_LOOKUP *lu, const EVP_MD **pmd);
-__owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs);
-# ifndef OPENSSL_NO_EC
-__owur int tls_check_sigalg_curve(const SSL *s, int curve);
-# endif
-__owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey);
-__owur int ssl_set_client_disabled(SSL *s);
-__owur int ssl_cipher_disabled(const SSL *s, const SSL_CIPHER *c, int op, int echde);
-
-__owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen,
- size_t *hashlen);
-__owur const EVP_MD *ssl_md(int idx);
-__owur const EVP_MD *ssl_handshake_md(SSL *s);
-__owur const EVP_MD *ssl_prf_md(SSL *s);
-
-/*
- * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated
- * with |ssl|, if logging is enabled. It returns one on success and zero on
- * failure. The entry is identified by the first 8 bytes of
- * |encrypted_premaster|.
- */
-__owur int ssl_log_rsa_client_key_exchange(SSL *ssl,
- const uint8_t *encrypted_premaster,
- size_t encrypted_premaster_len,
- const uint8_t *premaster,
- size_t premaster_len);
-
-/*
- * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if
- * logging is available. It returns one on success and zero on failure. It tags
- * the entry with |label|.
- */
-__owur int ssl_log_secret(SSL *ssl, const char *label,
- const uint8_t *secret, size_t secret_len);
-
-#define MASTER_SECRET_LABEL "CLIENT_RANDOM"
-#define CLIENT_EARLY_LABEL "CLIENT_EARLY_TRAFFIC_SECRET"
-#define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET"
-#define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET"
-#define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0"
-#define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0"
-#define EARLY_EXPORTER_SECRET_LABEL "EARLY_EXPORTER_SECRET"
-#define EXPORTER_SECRET_LABEL "EXPORTER_SECRET"
-
-/* s3_cbc.c */
-__owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
-__owur 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,
- size_t mac_secret_length, char is_sslv3);
-
-__owur int srp_generate_server_master_secret(SSL *s);
-__owur int srp_generate_client_master_secret(SSL *s);
-__owur int srp_verify_server_param(SSL *s);
-
-/* statem/statem_srvr.c */
-
-__owur int send_certificate_request(SSL *s);
-
-/* statem/extensions_cust.c */
-
-custom_ext_method *custom_ext_find(const custom_ext_methods *exts,
- ENDPOINT role, unsigned int ext_type,
- size_t *idx);
-
-void custom_ext_init(custom_ext_methods *meths);
-
-__owur int custom_ext_parse(SSL *s, unsigned int context, unsigned int ext_type,
- const unsigned char *ext_data, size_t ext_size,
- X509 *x, size_t chainidx);
-__owur int custom_ext_add(SSL *s, int context, WPACKET *pkt, X509 *x,
- size_t chainidx, int maxversion);
-
-__owur int custom_exts_copy(custom_ext_methods *dst,
- const custom_ext_methods *src);
-__owur int custom_exts_copy_flags(custom_ext_methods *dst,
- const custom_ext_methods *src);
-void custom_exts_free(custom_ext_methods *exts);
-
-void ssl_comp_free_compression_methods_int(void);
-
-/* ssl_mcnf.c */
-void ssl_ctx_system_config(SSL_CTX *ctx);
-
-# else /* OPENSSL_UNIT_TEST */
-
-# define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
-# define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
-
-# endif
-#endif
+
+__owur int ssl_cert_lookup_by_nid(int nid, size_t *pidx);
+__owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk,
+ size_t *pidx);
+__owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx);
+
+int ssl_undefined_function(SSL *s);
+__owur int ssl_undefined_void_function(void);
+__owur int ssl_undefined_const_function(const SSL *s);
+__owur int ssl_get_server_cert_serverinfo(SSL *s,
+ const unsigned char **serverinfo,
+ size_t *serverinfo_length);
+void ssl_set_masks(SSL *s);
+__owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
+__owur int ssl_x509err2alert(int type);
+void ssl_sort_cipher_list(void);
+int ssl_load_ciphers(void);
+__owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field,
+ size_t len, DOWNGRADE dgrd);
+__owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen,
+ int free_pms);
+__owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm);
+__owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey,
+ int genmaster);
+__owur EVP_PKEY *ssl_dh_to_pkey(DH *dh);
+__owur unsigned int ssl_get_max_send_fragment(const SSL *ssl);
+__owur unsigned int ssl_get_split_send_fragment(const SSL *ssl);
+
+__owur const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id);
+__owur const SSL_CIPHER *ssl3_get_cipher_by_std_name(const char *stdname);
+__owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
+__owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt,
+ size_t *len);
+int ssl3_init_finished_mac(SSL *s);
+__owur int ssl3_setup_key_block(SSL *s);
+__owur int ssl3_change_cipher_state(SSL *s, int which);
+void ssl3_cleanup_key_block(SSL *s);
+__owur int ssl3_do_write(SSL *s, int type);
+int ssl3_send_alert(SSL *s, int level, int desc);
+__owur int ssl3_generate_master_secret(SSL *s, unsigned char *out,
+ unsigned char *p, size_t len,
+ size_t *secret_size);
+__owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt);
+__owur int ssl3_num_ciphers(void);
+__owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
+int ssl3_renegotiate(SSL *ssl);
+int ssl3_renegotiate_check(SSL *ssl, int initok);
+__owur int ssl3_dispatch_alert(SSL *s);
+__owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen,
+ unsigned char *p);
+__owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len);
+void ssl3_free_digest_list(SSL *s);
+__owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt,
+ CERT_PKEY *cpk);
+__owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,
+ STACK_OF(SSL_CIPHER) *clnt,
+ STACK_OF(SSL_CIPHER) *srvr);
+__owur int ssl3_digest_cached_records(SSL *s, int keep);
+__owur int ssl3_new(SSL *s);
+void ssl3_free(SSL *s);
+__owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes);
+__owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes);
+__owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written);
+__owur int ssl3_shutdown(SSL *s);
+int ssl3_clear(SSL *s);
+__owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg);
+__owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
+__owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
+__owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
+
+__owur int ssl3_do_change_cipher_spec(SSL *ssl);
+__owur long ssl3_default_timeout(void);
+
+__owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype);
+__owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype);
+__owur int tls_setup_handshake(SSL *s);
+__owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype);
+__owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype);
+__owur int ssl3_handshake_write(SSL *s);
+
+__owur int ssl_allow_compression(SSL *s);
+
+__owur int ssl_version_supported(const SSL *s, int version,
+ const SSL_METHOD **meth);
+
+__owur int ssl_set_client_hello_version(SSL *s);
+__owur int ssl_check_version_downgrade(SSL *s);
+__owur int ssl_set_version_bound(int method_version, int version, int *bound);
+__owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello,
+ DOWNGRADE *dgrd);
+__owur int ssl_choose_client_version(SSL *s, int version,
+ RAW_EXTENSION *extensions);
+__owur int ssl_get_min_max_version(const SSL *s, int *min_version,
+ int *max_version, int *real_max);
+
+__owur long tls1_default_timeout(void);
+__owur int dtls1_do_write(SSL *s, int type);
+void dtls1_set_message_header(SSL *s,
+ unsigned char mt,
+ size_t len,
+ size_t frag_off, size_t frag_len);
+
+int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len,
+ size_t *written);
+
+__owur int dtls1_read_failed(SSL *s, int code);
+__owur int dtls1_buffer_message(SSL *s, int ccs);
+__owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found);
+__owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
+int dtls1_retransmit_buffered_messages(SSL *s);
+void dtls1_clear_received_buffer(SSL *s);
+void dtls1_clear_sent_buffer(SSL *s);
+void dtls1_get_message_header(unsigned char *data,
+ struct hm_header_st *msg_hdr);
+__owur long dtls1_default_timeout(void);
+__owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft);
+__owur int dtls1_check_timeout_num(SSL *s);
+__owur int dtls1_handle_timeout(SSL *s);
+void dtls1_start_timer(SSL *s);
+void dtls1_stop_timer(SSL *s);
+__owur int dtls1_is_timer_expired(SSL *s);
+__owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie,
+ size_t cookie_len);
+__owur size_t dtls1_min_mtu(SSL *s);
+void dtls1_hm_fragment_free(hm_fragment *frag);
+__owur int dtls1_query_mtu(SSL *s);
+
+__owur int tls1_new(SSL *s);
+void tls1_free(SSL *s);
+int tls1_clear(SSL *s);
+
+__owur int dtls1_new(SSL *s);
+void dtls1_free(SSL *s);
+int dtls1_clear(SSL *s);
+long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg);
+__owur int dtls1_shutdown(SSL *s);
+
+__owur int dtls1_dispatch_alert(SSL *s);
+
+__owur int ssl_init_wbio_buffer(SSL *s);
+int ssl_free_wbio_buffer(SSL *s);
+
+__owur int tls1_change_cipher_state(SSL *s, int which);
+__owur int tls1_setup_key_block(SSL *s);
+__owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen,
+ unsigned char *p);
+__owur int tls1_generate_master_secret(SSL *s, unsigned char *out,
+ unsigned char *p, size_t len,
+ size_t *secret_size);
+__owur int tls13_setup_key_block(SSL *s);
+__owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen,
+ unsigned char *p);
+__owur int tls13_change_cipher_state(SSL *s, int which);
+__owur int tls13_update_key(SSL *s, int send);
+__owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md,
+ const unsigned char *secret,
+ const unsigned char *label, size_t labellen,
+ const unsigned char *data, size_t datalen,
+ unsigned char *out, size_t outlen, int fatal);
+__owur int tls13_derive_key(SSL *s, const EVP_MD *md,
+ const unsigned char *secret, unsigned char *key,
+ size_t keylen);
+__owur int tls13_derive_iv(SSL *s, const EVP_MD *md,
+ const unsigned char *secret, unsigned char *iv,
+ size_t ivlen);
+__owur int tls13_derive_finishedkey(SSL *s, const EVP_MD *md,
+ const unsigned char *secret,
+ unsigned char *fin, size_t finlen);
+int tls13_generate_secret(SSL *s, const EVP_MD *md,
+ const unsigned char *prevsecret,
+ const unsigned char *insecret,
+ size_t insecretlen,
+ unsigned char *outsecret);
+__owur int tls13_generate_handshake_secret(SSL *s,
+ const unsigned char *insecret,
+ size_t insecretlen);
+__owur int tls13_generate_master_secret(SSL *s, unsigned char *out,
+ unsigned char *prev, size_t prevlen,
+ size_t *secret_size);
+__owur 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);
+__owur int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen,
+ const char *label, size_t llen,
+ const unsigned char *context,
+ size_t contextlen, int use_context);
+__owur int tls13_export_keying_material_early(SSL *s, unsigned char *out,
+ size_t olen, const char *label,
+ size_t llen,
+ const unsigned char *context,
+ size_t contextlen);
+__owur int tls1_alert_code(int code);
+__owur int tls13_alert_code(int code);
+__owur int ssl3_alert_code(int code);
+
+# ifndef OPENSSL_NO_EC
+__owur 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
+
+__owur const TLS_GROUP_INFO *tls1_group_id_lookup(uint16_t curve_id);
+__owur int tls1_check_group_id(SSL *s, uint16_t group_id, int check_own_curves);
+__owur uint16_t tls1_shared_group(SSL *s, int nmatch);
+__owur int tls1_set_groups(uint16_t **pext, size_t *pextlen,
+ int *curves, size_t ncurves);
+__owur int tls1_set_groups_list(uint16_t **pext, size_t *pextlen,
+ const char *str);
+void tls1_get_formatlist(SSL *s, const unsigned char **pformats,
+ size_t *num_formats);
+__owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
+__owur EVP_PKEY *ssl_generate_pkey_group(SSL *s, uint16_t id);
+__owur EVP_PKEY *ssl_generate_param_group(uint16_t id);
+# endif /* OPENSSL_NO_EC */
+
+__owur int tls_curve_allowed(SSL *s, uint16_t curve, int op);
+void tls1_get_supported_groups(SSL *s, const uint16_t **pgroups,
+ size_t *pgroupslen);
+
+__owur int tls1_set_server_sigalgs(SSL *s);
+
+__owur SSL_TICKET_STATUS tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello,
+ SSL_SESSION **ret);
+__owur SSL_TICKET_STATUS tls_decrypt_ticket(SSL *s, const unsigned char *etick,
+ size_t eticklen,
+ const unsigned char *sess_id,
+ size_t sesslen, SSL_SESSION **psess);
+
+__owur int tls_use_ticket(SSL *s);
+
+void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op);
+
+__owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
+__owur int tls1_set_raw_sigalgs(CERT *c, const uint16_t *psigs, size_t salglen,
+ int client);
+__owur 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);
+
+# ifndef OPENSSL_NO_CT
+__owur int ssl_validate_ct(SSL *s);
+# endif
+
+# ifndef OPENSSL_NO_DH
+__owur DH *ssl_get_auto_dh(SSL *s);
+# endif
+
+__owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee);
+__owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex,
+ int vfy);
+
+int tls_choose_sigalg(SSL *s, int fatalerrs);
+
+__owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md);
+void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
+__owur long ssl_get_algorithm2(SSL *s);
+__owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt,
+ const uint16_t *psig, size_t psiglen);
+__owur int tls1_save_u16(PACKET *pkt, uint16_t **pdest, size_t *pdestlen);
+__owur int tls1_save_sigalgs(SSL *s, PACKET *pkt, int cert);
+__owur int tls1_process_sigalgs(SSL *s);
+__owur int tls1_set_peer_legacy_sigalg(SSL *s, const EVP_PKEY *pkey);
+__owur int tls1_lookup_md(const SIGALG_LOOKUP *lu, const EVP_MD **pmd);
+__owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs);
+# ifndef OPENSSL_NO_EC
+__owur int tls_check_sigalg_curve(const SSL *s, int curve);
+# endif
+__owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey);
+__owur int ssl_set_client_disabled(SSL *s);
+__owur int ssl_cipher_disabled(const SSL *s, const SSL_CIPHER *c, int op, int echde);
+
+__owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen,
+ size_t *hashlen);
+__owur const EVP_MD *ssl_md(int idx);
+__owur const EVP_MD *ssl_handshake_md(SSL *s);
+__owur const EVP_MD *ssl_prf_md(SSL *s);
+
+/*
+ * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated
+ * with |ssl|, if logging is enabled. It returns one on success and zero on
+ * failure. The entry is identified by the first 8 bytes of
+ * |encrypted_premaster|.
+ */
+__owur int ssl_log_rsa_client_key_exchange(SSL *ssl,
+ const uint8_t *encrypted_premaster,
+ size_t encrypted_premaster_len,
+ const uint8_t *premaster,
+ size_t premaster_len);
+
+/*
+ * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if
+ * logging is available. It returns one on success and zero on failure. It tags
+ * the entry with |label|.
+ */
+__owur int ssl_log_secret(SSL *ssl, const char *label,
+ const uint8_t *secret, size_t secret_len);
+
+#define MASTER_SECRET_LABEL "CLIENT_RANDOM"
+#define CLIENT_EARLY_LABEL "CLIENT_EARLY_TRAFFIC_SECRET"
+#define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET"
+#define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET"
+#define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0"
+#define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0"
+#define EARLY_EXPORTER_SECRET_LABEL "EARLY_EXPORTER_SECRET"
+#define EXPORTER_SECRET_LABEL "EXPORTER_SECRET"
+
+/* s3_cbc.c */
+__owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
+__owur 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,
+ size_t mac_secret_length, char is_sslv3);
+
+__owur int srp_generate_server_master_secret(SSL *s);
+__owur int srp_generate_client_master_secret(SSL *s);
+__owur int srp_verify_server_param(SSL *s);
+
+/* statem/statem_srvr.c */
+
+__owur int send_certificate_request(SSL *s);
+
+/* statem/extensions_cust.c */
+
+custom_ext_method *custom_ext_find(const custom_ext_methods *exts,
+ ENDPOINT role, unsigned int ext_type,
+ size_t *idx);
+
+void custom_ext_init(custom_ext_methods *meths);
+
+__owur int custom_ext_parse(SSL *s, unsigned int context, unsigned int ext_type,
+ const unsigned char *ext_data, size_t ext_size,
+ X509 *x, size_t chainidx);
+__owur int custom_ext_add(SSL *s, int context, WPACKET *pkt, X509 *x,
+ size_t chainidx, int maxversion);
+
+__owur int custom_exts_copy(custom_ext_methods *dst,
+ const custom_ext_methods *src);
+__owur int custom_exts_copy_flags(custom_ext_methods *dst,
+ const custom_ext_methods *src);
+void custom_exts_free(custom_ext_methods *exts);
+
+void ssl_comp_free_compression_methods_int(void);
+
+/* ssl_mcnf.c */
+void ssl_ctx_system_config(SSL_CTX *ctx);
+
+# else /* OPENSSL_UNIT_TEST */
+
+# define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
+# define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
+
+# endif
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-07 16:18:49 +0000