/*
* Copyright 1995-2016 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
* https://www.openssl.org/source/license.html
*/
-/* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * ECC cipher suite support in OpenSSL originally developed by
- * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
- */
-/* ====================================================================
- * Copyright 2005 Nokia. All rights reserved.
- *
- * The portions of the attached software ("Contribution") is developed by
- * Nokia Corporation and is licensed pursuant to the OpenSSL open source
- * license.
- *
- * The Contribution, originally written by Mika Kousa and Pasi Eronen of
- * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
- * support (see RFC 4279) to OpenSSL.
- *
- * No patent licenses or other rights except those expressly stated in
- * the OpenSSL open source license shall be deemed granted or received
- * expressly, by implication, estoppel, or otherwise.
- *
- * No assurances are provided by Nokia that the Contribution does not
- * infringe the patent or other intellectual property rights of any third
- * party or that the license provides you with all the necessary rights
- * to make use of the Contribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
- * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
- * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
- * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
- * OTHERWISE.
- */
-
#ifndef HEADER_SSL_LOCL_H
# define HEADER_SSL_LOCL_H
# include <stdlib.h>
# include "e_os.h"
# if defined(__unix) || defined(__unix__)
-# include <sys/time.h> /* struct timeval for DTLS */
+# include <sys/time.h> /* struct timeval for DTLS */
# endif
# include <openssl/buffer.h>
# include <openssl/async.h>
# include <openssl/symhacks.h>
# include <openssl/ct.h>
-#include "record/record.h"
-#include "statem/statem.h"
-#include "packet_locl.h"
-#include "internal/dane.h"
+# include "record/record.h"
+# include "statem/statem.h"
+# include "packet_locl.h"
+# include "internal/dane.h"
+# include "internal/refcount.h"
# ifdef OPENSSL_BUILD_SHLIBSSL
# undef OPENSSL_EXTERN
# define OPENSSL_EXTERN OPENSSL_EXPORT
# endif
-# undef PKCS1_CHECK
-
# define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
l|=(((unsigned long)(*((c)++)))<< 8), \
l|=(((unsigned long)(*((c)++)))<<16), \
l|=((unsigned long)(*((c)++)))<< 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)[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))
-
-/* LOCAL STUFF */
-
-# define SSL_DECRYPT 0
-# define SSL_ENCRYPT 1
-
-# define TWO_BYTE_BIT 0x80
-# define SEC_ESC_BIT 0x40
-# define TWO_BYTE_MASK 0x7fff
-# define THREE_BYTE_MASK 0x3fff
+/*
+ * 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 INC32(a) ((a)=((a)+1)&0xffffffffL)
-# define DEC32(a) ((a)=((a)-1)&0xffffffffL)
-# define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
/*
* Define the Bitmasks for SSL_CIPHER.algorithms.
/* all PSK */
-#define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK)
+# 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_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
/* Bits for algorithm_enc (symmetric encryption) */
# define SSL_DES 0x00000001U
/* 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_WRITING \
+ || (s)->early_data_state == SSL_EARLY_DATA_WRITE_RETRY)
+
+# define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3->tmp.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)
# define SSL_CLIENT_USE_SIGALGS(s) \
SSL_CLIENT_USE_TLS1_2_CIPHERS(s)
-# define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC)
+# 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_ENC 0
-# define SSL_PKEY_RSA_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_RSA 0
+# define SSL_PKEY_DSA_SIGN 1
+# define SSL_PKEY_ECC 2
+# define SSL_PKEY_GOST01 3
+# define SSL_PKEY_GOST12_256 4
+# define SSL_PKEY_GOST12_512 5
+# define SSL_PKEY_ED25519 6
# define SSL_PKEY_NUM 7
/*
* Pseudo-constant. GOST cipher suites can use different certs for 1
*/
# define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1
+/*
+ * TODO(TLS1.3) for now use SSL_PKEY_RSA keys for PSS
+ */
+
+#define SSL_PKEY_RSA_PSS_SIGN SSL_PKEY_RSA
+
/*-
* SSL_kRSA <- RSA_ENC
* SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
#define CERT_PRIVATE_KEY 2
*/
-
/* CipherSuite length. SSLv3 and all TLS versions. */
-#define TLS_CIPHER_LEN 2
+# 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 */
- uint32_t id; /* id, 4 bytes, first is version */
+ const char *name; /* text 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 */
+ 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 */
unsigned flags;
unsigned long mask;
int (*ssl_new) (SSL *s);
- void (*ssl_clear) (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, int len);
- int (*ssl_peek) (SSL *s, void *buf, int len);
- int (*ssl_write) (SSL *s, const void *buf, int len);
+ 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 (*ssl_renegotiate_check) (SSL *s, int);
int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type,
- unsigned char *buf, int len, int peek);
- int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len);
+ 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, unsigned char *ptr);
- int (*ssl_pending) (const SSL *s);
+ 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);
* 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? */
- int master_key_length;
- unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
+ 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
+ * master secret
+ */
+ unsigned char master_key[TLS13_MAX_RESUMPTION_MASTER_LENGTH];
/* session_id - valid? */
- unsigned int session_id_length;
+ 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
*/
- unsigned int sid_ctx_length;
+ size_t sid_ctx_length;
unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
# ifndef OPENSSL_NO_PSK
char *psk_identity_hint;
/* This is the cert and type for the other end. */
X509 *peer;
int peer_type;
- /* Certificate chain peer sent */
+ /* 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 */
- int references;
+ 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 */
+ unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to
+ * load the 'cipher' structure */
STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
CRYPTO_EX_DATA ex_data; /* application specific data */
/*
* implement a maximum cache size.
*/
struct ssl_session_st *prev, *next;
- char *tlsext_hostname;
+
+ struct {
+ char *hostname;
# ifndef OPENSSL_NO_EC
- size_t tlsext_ecpointformatlist_length;
- unsigned char *tlsext_ecpointformatlist; /* peer's list */
- size_t tlsext_ellipticcurvelist_length;
- unsigned char *tlsext_ellipticcurvelist; /* peer's list */
-# endif /* OPENSSL_NO_EC */
+ size_t ecpointformats_len;
+ unsigned char *ecpointformats; /* peer's list */
+ size_t supportedgroups_len;
+ unsigned char *supportedgroups; /* peer's list */
+# endif /* OPENSSL_NO_EC */
/* RFC4507 info */
- unsigned char *tlsext_tick; /* Session ticket */
- size_t tlsext_ticklen; /* Session ticket length */
- unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */
+ 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;
+ unsigned char *tick_nonce;
+ size_t tick_nonce_len;
+ int tick_identity;
+ /* 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;
+ } ext;
# ifndef OPENSSL_NO_SRP
char *srp_username;
# endif
};
/* Extended master secret support */
-# define SSL_SESS_FLAG_EXTMS 0x1
-
+# define SSL_SESS_FLAG_EXTMS 0x1
# ifndef OPENSSL_NO_SRP
# 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_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_srp,
+ TLSEXT_IDX_ec_point_formats,
+ TLSEXT_IDX_supported_groups,
+ TLSEXT_IDX_session_ticket,
+ TLSEXT_IDX_signature_algorithms,
+ 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_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_KEYNAME_LENGTH 16
struct ssl_ctx_st {
const SSL_METHOD *method;
* Most session-ids that will be cached, default is
* SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited.
*/
- unsigned long session_cache_size;
+ size_t session_cache_size;
struct ssl_session_st *session_cache_head;
struct ssl_session_st *session_cache_tail;
/*
int sess_hit; /* session reuse actually done */
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 :-) */
+ * indicates that the application is supplying
+ * session-id's from other processes - spooky
+ * :-) */
} stats;
- int references;
+ CRYPTO_REF_COUNT references;
/* if defined, these override the X509_verify_cert() calls */
int (*app_verify_callback) (X509_STORE_CTX *, void *);
/* used if SSL's info_callback is NULL */
void (*info_callback) (const SSL *ssl, int type, int val);
- /* what we put in client cert requests */
- STACK_OF(X509_NAME) *client_CA;
+ /*
+ * What we put in certificate_authorities extension for TLS 1.3
+ * (ClientHello and CertificateRequest) or just client cert requests for
+ * earlier versions.
+ */
+ STACK_OF(X509_NAME) *ca_names;
/*
* Default values to use in SSL structures follow (these are copied by
uint32_t mode;
int min_proto_version;
int max_proto_version;
- long max_cert_list;
+ size_t max_cert_list;
struct cert_st /* CERT */ *cert;
int read_ahead;
void *msg_callback_arg;
uint32_t verify_mode;
- unsigned int sid_ctx_length;
+ 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);
int quiet_shutdown;
-# ifndef OPENSSL_NO_CT
- CTLOG_STORE *ctlog_store; /* CT Log Store */
+# 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.
- */
+ * 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
+# endif
/*
* If we're using more than one pipeline how should we divide the data
* up between the pipes?
*/
- unsigned int split_send_fragment;
+ 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.
*/
- unsigned int max_send_fragment;
+ size_t max_send_fragment;
/* Up to how many pipelines should we use? If 0 then 1 is assumed */
- unsigned int max_pipelines;
+ 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
+# ifndef OPENSSL_NO_ENGINE
/*
* Engine to pass requests for client certs to
*/
ENGINE *client_cert_engine;
-# endif
-
- /* TLS extensions servername callback */
- int (*tlsext_servername_callback) (SSL *, int *, void *);
- void *tlsext_servername_arg;
- /* RFC 4507 session ticket keys */
- unsigned char tlsext_tick_key_name[TLSEXT_KEYNAME_LENGTH];
- unsigned char tlsext_tick_hmac_key[32];
- unsigned char tlsext_tick_aes_key[32];
- /* Callback to support customisation of ticket key setting */
- int (*tlsext_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 (*tlsext_status_cb) (SSL *ssl, void *arg);
- void *tlsext_status_arg;
-
-# ifndef OPENSSL_NO_PSK
- unsigned int (*psk_client_callback) (SSL *ssl, const char *hint,
- char *identity,
- unsigned int max_identity_len,
- unsigned char *psk,
- unsigned int max_psk_len);
- unsigned int (*psk_server_callback) (SSL *ssl, const char *identity,
- unsigned char *psk,
- unsigned int max_psk_len);
-# endif
+# endif
-# ifndef OPENSSL_NO_SRP
- SRP_CTX srp_ctx; /* ctx for SRP authentication */
-# endif
+ /* Early callback. Mostly for extensions, but not entirely. */
+ SSL_early_cb_fn early_cb;
+ void *early_cb_arg;
-# ifndef OPENSSL_NO_NEXTPROTONEG
- /* Next protocol negotiation information */
+ /* 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];
+ unsigned char tick_hmac_key[32];
+ unsigned char tick_aes_key[32];
+ /* 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;
- /*
- * For a server, this contains a callback function by which the set of
- * advertised protocols can be provided.
- */
- int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf,
- unsigned int *len, void *arg);
- void *next_protos_advertised_cb_arg;
- /*
- * For a client, this contains a callback function that selects the next
- * protocol from the list provided by the server.
- */
- int (*next_proto_select_cb) (SSL *s, unsigned char **out,
- unsigned char *outlen,
- const unsigned char *in,
- unsigned int inlen, void *arg);
- void *next_proto_select_cb_arg;
-# endif
+# ifndef OPENSSL_NO_EC
+ /* EC extension values inherited by SSL structure */
+ size_t ecpointformats_len;
+ unsigned char *ecpointformats;
+ size_t supportedgroups_len;
+ unsigned char *supportedgroups;
+# endif /* OPENSSL_NO_EC */
- /*
- * ALPN information (we are in the process of transitioning from NPN to
- * ALPN.)
- */
+ /*
+ * ALPN information (we are in the process of transitioning from NPN to
+ * ALPN.)
+ */
/*-
* For a server, this contains a callback function that allows the
* 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;
+ 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_client_proto_list;
- unsigned alpn_client_proto_list_len;
+ /*
+ * 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
+ } 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;
* basis, depending on the chosen cipher.
*/
int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
-# ifndef OPENSSL_NO_EC
- /* EC extension values inherited by SSL structure */
- size_t tlsext_ecpointformatlist_length;
- unsigned char *tlsext_ecpointformatlist;
- size_t tlsext_ellipticcurvelist_length;
- unsigned char *tlsext_ellipticcurvelist;
-# endif /* OPENSSL_NO_EC */
-
- /* ext status type used for CSR extension (OCSP Stapling) */
- int tlsext_status_type;
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 that can be sent as early data */
+ uint32_t 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;
+};
struct ssl_st {
/*
* DTLS1_VERSION)
*/
int version;
-
/* SSLv3 */
const SSL_METHOD *method;
/*
* 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
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() */
- int init_num; /* amount read/written */
- int init_off; /* amount read/written */
-
+ 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) *cipher_list;
STACK_OF(SSL_CIPHER) *cipher_list_by_id;
* be 'copied' into these ones
*/
uint32_t mac_flags;
+ /*
+ * The TLS1.3 secrets. The resumption master secret is stored in the
+ * session.
+ */
+ 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 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];
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 */
+ /* Count of how many KeyUpdate messages we have received */
+ unsigned int key_update_count;
/* 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 */
+ int hello_retry_request;
+
/*
* the session_id_context is used to ensure sessions are only reused in
* the appropriate context
*/
- unsigned int sid_ctx_length;
+ 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;
/* Default generate session ID callback. */
GEN_SESSION_CB generate_session_id;
/* Used in SSL3 */
int error;
/* actual code */
int error_code;
-# ifndef OPENSSL_NO_PSK
- unsigned int (*psk_client_callback) (SSL *ssl, const char *hint,
- char *identity,
- unsigned int max_identity_len,
- unsigned char *psk,
- unsigned int max_psk_len);
- unsigned int (*psk_server_callback) (SSL *ssl, const char *identity,
- unsigned char *psk,
- unsigned int max_psk_len);
-# endif
+# 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;
/* extra application data */
CRYPTO_EX_DATA ex_data;
/* for server side, keep the list of CA_dn we can use */
- STACK_OF(X509_NAME) *client_CA;
- int references;
+ STACK_OF(X509_NAME) *ca_names;
+ CRYPTO_REF_COUNT references;
/* protocol behaviour */
uint32_t options;
/* API behaviour */
uint32_t mode;
int min_proto_version;
int max_proto_version;
- long max_cert_list;
+ size_t max_cert_list;
int first_packet;
- /* what was passed, used for SSLv3/TLS rollback check */
+ /*
+ * 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?
*/
- unsigned int split_send_fragment;
+ 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.
*/
- unsigned int max_send_fragment;
-
+ size_t max_send_fragment;
/* Up to how many pipelines should we use? If 0 then 1 is assumed */
- unsigned int max_pipelines;
+ 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 supportedgroups_len;
+ /* our list */
+ unsigned char *supportedgroups;
+# endif /* OPENSSL_NO_EC */
+ /* 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;
+ } ext;
+
+ /* Parsed form of the ClientHello, kept around across early_cb calls. */
+ CLIENTHELLO_MSG *clienthello;
- /* TLS extension debug callback */
- void (*tlsext_debug_cb) (SSL *s, int client_server, int type,
- const unsigned char *data, int len, void *arg);
- void *tlsext_debug_arg;
- char *tlsext_hostname;
/*-
* no further mod of servername
* 0 : call the servername extension callback.
* 2 : don't call servername callback, no ack in server hello
*/
int servername_done;
- /* certificate status request info */
- /* Status type or -1 if no status type */
- int tlsext_status_type;
-# ifndef OPENSSL_NO_CT
+# ifndef OPENSSL_NO_CT
/*
- * Validates that the SCTs (Signed Certificate Timestamps) are sufficient.
- * If they are not, the connection should be aborted.
- */
+ * 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 tha tis passed to the 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;
- /* Raw extension data, if seen */
- unsigned char *tlsext_scts;
- /* Length of raw extension data, if seen */
- uint16_t tlsext_scts_len;
/* Have we attempted to find/parse SCTs yet? */
int scts_parsed;
-# endif
- /* Expect OCSP CertificateStatus message */
- int tlsext_status_expected;
- /* OCSP status request only */
- STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids;
- X509_EXTENSIONS *tlsext_ocsp_exts;
- /* OCSP response received or to be sent */
- unsigned char *tlsext_ocsp_resp;
- int tlsext_ocsp_resplen;
- /* RFC4507 session ticket expected to be received or sent */
- int tlsext_ticket_expected;
-# ifndef OPENSSL_NO_EC
- size_t tlsext_ecpointformatlist_length;
- /* our list */
- unsigned char *tlsext_ecpointformatlist;
- size_t tlsext_ellipticcurvelist_length;
- /* our list */
- unsigned char *tlsext_ellipticcurvelist;
-# endif /* OPENSSL_NO_EC */
- /* TLS Session Ticket extension override */
- TLS_SESSION_TICKET_EXT *tlsext_session_ticket;
- /* TLS Session Ticket extension callback */
- tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb;
- void *tls_session_ticket_ext_cb_arg;
- /* TLS pre-shared secret session resumption */
- tls_session_secret_cb_fn tls_session_secret_cb;
- void *tls_session_secret_cb_arg;
- SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */
-# ifndef OPENSSL_NO_NEXTPROTONEG
- /*
- * 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 *next_proto_negotiated;
- unsigned char next_proto_negotiated_len;
-# endif
-# define session_ctx initial_ctx
+# endif
+ SSL_CTX *session_ctx; /* initial ctx, used to store sessions */
/* What we'll do */
STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
/* What's been chosen */
SRTP_PROTECTION_PROFILE *srtp_profile;
- /*-
- * Is use of the Heartbeat extension negotiated?
- * 0: disabled
- * 1: enabled
- * 2: enabled, but not allowed to send Requests
- */
- unsigned int tlsext_heartbeat;
- /* Indicates if a HeartbeatRequest is in flight */
- unsigned int tlsext_hb_pending;
- /* HeartbeatRequest sequence number */
- unsigned int tlsext_hb_seq;
- /*
- * For a client, this contains the list of supported protocols in wire
- * format.
- */
- unsigned char *alpn_client_proto_list;
- unsigned alpn_client_proto_list_len;
-
/*-
* 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;
-# ifndef OPENSSL_NO_SRP
+ /* If sending a KeyUpdate is pending */
+ int key_update;
+# ifndef OPENSSL_NO_SRP
/* ctx for SRP authentication */
SRP_CTX srp_ctx;
-# endif
+# 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 plaintext bytes that can be sent as early data */
+ uint32_t 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;
};
+/*
+ * 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 cert_pkey_st CERT_PKEY;
typedef struct ssl3_state_st {
long flags;
- int read_mac_secret_size;
+ size_t read_mac_secret_size;
unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
- int write_mac_secret_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];
struct {
/* actually only need to be 16+20 for SSLv3 and 12 for TLS */
unsigned char finish_md[EVP_MAX_MD_SIZE * 2];
- int finish_md_len;
+ size_t finish_md_len;
unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
- int peer_finish_md_len;
- unsigned long message_size;
+ 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
+# 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;
- int ctype_num;
- char ctype[SSL3_CT_NUMBER];
- STACK_OF(X509_NAME) *ca_names;
- int key_block_length;
+ /* 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;
- int new_mac_secret_size;
-# ifndef OPENSSL_NO_COMP
+ size_t new_mac_secret_size;
+# ifndef OPENSSL_NO_COMP
const SSL_COMP *new_compression;
-# else
+# else
char *new_compression;
-# endif
+# endif
int cert_request;
/* Raw values of the cipher list from a client */
unsigned char *ciphers_raw;
/* Temporary storage for premaster secret */
unsigned char *pms;
size_t pmslen;
-#ifndef OPENSSL_NO_PSK
+# ifndef OPENSSL_NO_PSK
/* Temporary storage for PSK key */
unsigned char *psk;
size_t psklen;
-#endif
+# 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.
*/
- unsigned char *peer_sigalgs;
+ uint16_t *peer_sigalgs;
/* Size of above array */
size_t peer_sigalgslen;
- /* Digest peer uses for signing */
- const EVP_MD *peer_md;
- /* Array of digests used for signing */
- const EVP_MD *md[SSL_PKEY_NUM];
+ /* Sigalg peer actualy 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.
/* Connection binding to prevent renegotiation attacks */
unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
- unsigned char previous_client_finished_len;
+ size_t previous_client_finished_len;
unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
- unsigned char previous_server_finished_len;
+ size_t previous_server_finished_len;
int send_connection_binding; /* TODOEKR */
-# ifndef OPENSSL_NO_NEXTPROTONEG
+# ifndef OPENSSL_NO_NEXTPROTONEG
/*
* Set if we saw the Next Protocol Negotiation extension from our peer.
*/
- int next_proto_neg_seen;
-# endif
+ int npn_seen;
+# endif
/*
* ALPN information (we are in the process of transitioning from NPN to
/* used by the client to know if it actually sent alpn */
int alpn_sent;
-# ifndef OPENSSL_NO_EC
+# 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 */
+# 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 */
+ unsigned int 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
+# 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
+# define DTLS1_MAX_MTU_OVERHEAD 48
/*
* Flag used in message reuse to indicate the buffer contains the record
* header as well as the the handshake message header.
*/
-# define DTLS1_SKIP_RECORD_HEADER 2
+# define DTLS1_SKIP_RECORD_HEADER 2
struct dtls1_retransmit_state {
EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
struct hm_header_st {
unsigned char type;
- unsigned long msg_len;
+ size_t msg_len;
unsigned short seq;
- unsigned long frag_off;
- unsigned long frag_len;
+ size_t frag_off;
+ size_t frag_len;
unsigned int is_ccs;
struct dtls1_retransmit_state saved_retransmit_state;
};
pitem *pitem_new(unsigned char *prio64be, void *data);
void pitem_free(pitem *item);
-pqueue* pqueue_new(void);
+pqueue *pqueue_new(void);
void pqueue_free(pqueue *pq);
pitem *pqueue_insert(pqueue *pq, pitem *item);
pitem *pqueue_peek(pqueue *pq);
pitem *pqueue_find(pqueue *pq, unsigned char *prio64be);
pitem *pqueue_iterator(pqueue *pq);
pitem *pqueue_next(piterator *iter);
-int pqueue_size(pqueue *pq);
+size_t pqueue_size(pqueue *pq);
typedef struct dtls1_state_st {
unsigned char cookie[DTLS1_COOKIE_LENGTH];
- unsigned int cookie_len;
+ 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;
-
- unsigned int link_mtu; /* max on-the-wire DTLS packet size */
- unsigned int mtu; /* max DTLS packet size */
+ 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 or heartbeat sent will timeout
+ * Indicates when the last handshake msg sent will timeout
*/
struct timeval next_timeout;
/* Timeout duration */
unsigned short timeout_duration;
-
unsigned int retransmitting;
-# ifndef OPENSSL_NO_SCTP
+# ifndef OPENSSL_NO_SCTP
int shutdown_received;
-# endif
+# endif
} DTLS1_STATE;
-
-
# ifndef OPENSSL_NO_EC
/*
* From ECC-TLS draft, used in encoding the curve type in ECParameters
# define NAMED_CURVE_TYPE 3
# endif /* OPENSSL_NO_EC */
-typedef struct cert_pkey_st {
+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:
*/
unsigned char *serverinfo;
size_t serverinfo_length;
-} CERT_PKEY;
+};
/* Retrieve Suite B flags */
# define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
/* Uses to check strict mode: suite B modes are always strict */
# define SSL_CERT_FLAGS_CHECK_TLS_STRICT \
(SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT)
+typedef 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;
- custom_ext_add_cb add_cb;
- custom_ext_free_cb free_cb;
+ SSL_custom_ext_add_cb_ex add_cb;
+ SSL_custom_ext_free_cb_ex free_cb;
void *add_arg;
- custom_ext_parse_cb parse_cb;
+ SSL_custom_ext_parse_cb_ex parse_cb;
void *parse_arg;
} custom_ext_method;
/* Flags related to certificates */
uint32_t cert_flags;
CERT_PKEY pkeys[SSL_PKEY_NUM];
- /*
- * Certificate types (received or sent) in certificate request message.
- * On receive this is only set if number of certificate types exceeds
- * SSL3_CT_NUMBER.
- */
- unsigned char *ctypes;
- size_t ctype_num;
+ /* 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.
*/
- unsigned char *conf_sigalgs;
+ 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 cerificate request for TLS 1.2. On a client this
- * represents the signature algortithms we are willing to use for client
+ * 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.
*/
- unsigned char *client_sigalgs;
+ uint16_t *client_sigalgs;
/* Size of above array */
size_t client_sigalgslen;
/*
* Signature algorithms shared by client and server: cached because these
* are used most often.
*/
- TLS_SIGALGS *shared_sigalgs;
+ const SIGALG_LOOKUP **shared_sigalgs;
size_t shared_sigalgslen;
/*
* Certificate setup callback: if set is called whenever a certificate
*/
X509_STORE *chain_store;
X509_STORE *verify_store;
- /* Custom extension methods for server and client */
- custom_ext_methods cli_ext;
- custom_ext_methods srv_ext;
+ /* 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
+# ifndef OPENSSL_NO_PSK
/* If not NULL psk identity hint to use for servers */
char *psk_identity_hint;
-#endif
- int references; /* >1 only if SSL_copy_session_id is used */
+# endif
+ CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */
CRYPTO_RWLOCK *lock;
} CERT;
-/* Structure containing decoded values of signature algorithms extension */
-struct tls_sigalgs_st {
- /* NID of hash algorithm */
- int hash_nid;
- /* NID of signature algorithm */
- int sign_nid;
- /* Combined hash and signature NID */
- int signandhash_nid;
- /* Raw values used in extension */
- unsigned char rsign;
- unsigned char rhash;
-};
-
# define FP_ICC (int (*)(const void *,const void *))
/*
* of a mess of functions, but hell, think of it as an opaque structure :-)
*/
typedef struct ssl3_enc_method {
- int (*enc) (SSL *, SSL3_RECORD *, unsigned int, int);
+ 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 *,
- int);
+ size_t, size_t *);
int (*change_cipher_state) (SSL *, int);
- int (*final_finish_mac) (SSL *, const char *, int, unsigned char *);
- int finish_mac_length;
+ size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *);
const char *client_finished_label;
- int client_finished_label_len;
+ size_t client_finished_label_len;
const char *server_finished_label;
- int server_finished_label_len;
+ size_t server_finished_label_len;
int (*alert_value) (int);
int (*export_keying_material) (SSL *, unsigned char *, size_t,
const char *, size_t,
int use_context);
/* Various flags indicating protocol version requirements */
uint32_t enc_flags;
- /* Handshake header length */
- unsigned int hhlen;
/* Set the handshake header */
- int (*set_handshake_header) (SSL *s, int type, unsigned long len);
+ 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_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
-# define ssl_handshake_start(s) \
- (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
-# define ssl_set_handshake_header(s, htype, len) \
- s->method->ssl3_enc->set_handshake_header(s, htype, len)
+# define ssl_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 */
} 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_sha256 0x0804
+#define TLSEXT_SIGALG_rsa_pss_sha384 0x0805
+#define TLSEXT_SIGALG_rsa_pss_sha512 0x0806
+#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
+
+/* 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
+
+/* An invalid index into the TLSv1.3 PSK identities */
+#define TLSEXT_PSK_BAD_IDENTITY -1
+
+#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 *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);
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 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) \
struct openssl_ssl_test_functions {
int (*p_ssl_init_wbio_buffer) (SSL *s);
int (*p_ssl3_setup_buffers) (SSL *s);
-# ifndef OPENSSL_NO_HEARTBEATS
- int (*p_dtls1_process_heartbeat) (SSL *s,
- unsigned char *p, unsigned int length);
-# endif
};
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;
+}
+
# 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);
void ssl_cert_clear_certs(CERT *c);
void ssl_cert_free(CERT *c);
__owur int ssl_get_new_session(SSL *s, int session);
-__owur int ssl_get_prev_session(SSL *s, const PACKET *ext,
- const PACKET *session_id);
+__owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello, int *al);
__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);
+ const SSL_CIPHER *const *bp);
__owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
- STACK_OF(SSL_CIPHER) **pref,
- STACK_OF(SSL_CIPHER) **sorted,
- const char *rule_str, CERT *c);
+ STACK_OF(SSL_CIPHER) **pref,
+ STACK_OF(SSL_CIPHER)
+ **sorted,
+ const char *rule_str,
+ CERT *c);
+__owur int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites,
+ int sslv2format, int *al);
+__owur int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites,
+ STACK_OF(SSL_CIPHER) **skp,
+ STACK_OF(SSL_CIPHER) **scsvs, int sslv2format,
+ int *al);
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,
- int *mac_secret_size, SSL_COMP **comp, int use_etm);
+ 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_cipher_get_cert_index(const SSL_CIPHER *c);
-__owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr);
+__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_select_current(CERT *c, X509 *x);
__owur int ssl_cert_set_current(CERT *c, long arg);
__owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first);
-void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg),
- void *arg);
+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_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l);
__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_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);
+__owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid,
+ void *other);
int ssl_undefined_function(SSL *s);
__owur int ssl_undefined_void_function(void);
__owur int ssl_undefined_const_function(const SSL *s);
-__owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s);
-__owur int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
- size_t *serverinfo_length);
-__owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd);
-__owur int ssl_cert_type(X509 *x, EVP_PKEY *pkey);
+__owur int ssl_get_server_cert_serverinfo(SSL *s,
+ const unsigned char **serverinfo,
+ size_t *serverinfo_length);
+__owur int ssl_cert_type(const X509 *x, const EVP_PKEY *pkey);
void ssl_set_masks(SSL *s);
__owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
__owur int ssl_verify_alarm_type(long type);
void ssl_sort_cipher_list(void);
-void ssl_load_ciphers(void);
-__owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);
+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, int nid);
-__owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey);
+__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 const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id);
__owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
-__owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, 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);
__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, int len);
-__owur int ssl3_get_req_cert_type(SSL *s, unsigned char *p);
+ 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 ssl3_renegotiate_check(SSL *ssl, int initok);
__owur int ssl3_dispatch_alert(SSL *s);
-__owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,
- unsigned char *p);
-__owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
+__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, CERT_PKEY *cpk);
+__owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt,
+ CERT_PKEY *cpk, int *al);
__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, int len);
-__owur int ssl3_peek(SSL *s, void *buf, int len);
-__owur int ssl3_write(SSL *s, const void *buf, int len);
+__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);
-void ssl3_clear(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 int ssl3_do_change_cipher_spec(SSL *ssl);
__owur long ssl3_default_timeout(void);
-__owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len);
+__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_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);
-__owur int ssl_choose_client_version(SSL *s, int version);
-int ssl_get_client_min_max_version(const SSL *s, int *min_version, int *max_version);
+__owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello,
+ DOWNGRADE *dgrd);
+__owur int ssl_choose_client_version(SSL *s, int version, int checkdgrd,
+ int *al);
+int ssl_get_min_max_version(const SSL *s, int *min_version, int *max_version);
__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,
- unsigned long len,
- unsigned long frag_off,
- unsigned long frag_len);
+ size_t len,
+ size_t frag_off, size_t frag_len);
-__owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int 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_record_buffer(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);
void dtls1_stop_timer(SSL *s);
__owur int dtls1_is_timer_expired(SSL *s);
void dtls1_double_timeout(SSL *s);
-__owur unsigned int dtls_raw_hello_verify_request(unsigned char *buf,
- unsigned char *cookie,
- unsigned char cookie_len);
+__owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie,
+ size_t cookie_len);
__owur int dtls1_send_newsession_ticket(SSL *s);
-__owur unsigned int dtls1_min_mtu(SSL *s);
+__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);
-void tls1_clear(SSL *s);
+int tls1_clear(SSL *s);
long tls1_ctrl(SSL *s, int cmd, long larg, void *parg);
long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
__owur int dtls1_new(SSL *s);
void dtls1_free(SSL *s);
-void dtls1_clear(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);
-void ssl_free_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 int tls1_final_finish_mac(SSL *s,
- const char *str, int slen, unsigned char *p);
+__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, int len);
+ 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);
+__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);
+ 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 tls1_alert_code(int code);
+__owur int tls13_alert_code(int code);
__owur int ssl3_alert_code(int code);
-__owur int ssl_ok(SSL *s);
# ifndef OPENSSL_NO_EC
__owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
# define TLS_CURVE_PRIME 0x0
# define TLS_CURVE_CHAR2 0x1
# define TLS_CURVE_CUSTOM 0x2
+
+#define bytestogroup(bytes) ((unsigned int)(bytes[0] << 8 | bytes[1]))
+
__owur int tls1_ec_curve_id2nid(int curve_id, unsigned int *pflags);
__owur int tls1_ec_nid2curve_id(int nid);
__owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len);
-__owur int tls1_shared_curve(SSL *s, int nmatch);
-__owur int tls1_set_curves(unsigned char **pext, size_t *pextlen,
- int *curves, size_t ncurves);
-__owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
- const char *str);
+__owur int tls1_shared_group(SSL *s, int nmatch);
+__owur int tls1_set_groups(unsigned char **pext, size_t *pextlen,
+ int *curves, size_t ncurves);
+__owur int tls1_set_groups_list(unsigned char **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_curve(int id);
# endif /* OPENSSL_NO_EC */
__owur int tls1_shared_list(SSL *s,
- const unsigned char *l1, size_t l1len,
- const unsigned char *l2, size_t l2len, int nmatch);
-__owur unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf,
- unsigned char *limit, int *al);
-__owur unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf,
- unsigned char *limit, int *al);
-__owur int ssl_parse_clienthello_tlsext(SSL *s, PACKET *pkt);
+ const unsigned char *l1, size_t l1len,
+ const unsigned char *l2, size_t l2len, int nmatch);
+__owur int tls_curve_allowed(SSL *s, const unsigned char *curve, int op);
+__owur int tls1_get_curvelist(SSL *s, int sess, const unsigned char **pcurves,
+ size_t *num_curves);
+
void ssl_set_default_md(SSL *s);
__owur int tls1_set_server_sigalgs(SSL *s);
-__owur int ssl_check_clienthello_tlsext_late(SSL *s, int *al);
-__owur int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt);
-__owur int ssl_prepare_clienthello_tlsext(SSL *s);
-__owur int ssl_prepare_serverhello_tlsext(SSL *s);
-
-# ifndef OPENSSL_NO_HEARTBEATS
-__owur int dtls1_heartbeat(SSL *s);
-__owur int dtls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length);
-# endif
-__owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext,
- const PACKET *session_id,
- SSL_SESSION **ret);
+/* Return codes for tls_get_ticket_from_client() and tls_decrypt_ticket() */
+typedef enum ticket_en {
+ /* fatal error, malloc failure */
+ TICKET_FATAL_ERR_MALLOC,
+ /* fatal error, either from parsing or decrypting the ticket */
+ TICKET_FATAL_ERR_OTHER,
+ /* No ticket present */
+ TICKET_NONE,
+ /* Empty ticket present */
+ TICKET_EMPTY,
+ /* the ticket couldn't be decrypted */
+ TICKET_NO_DECRYPT,
+ /* a ticket was successfully decrypted */
+ TICKET_SUCCESS,
+ /* same as above but the ticket needs to be reneewed */
+ TICKET_SUCCESS_RENEW
+} TICKET_RETURN;
+
+__owur TICKET_RETURN tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello,
+ SSL_SESSION **ret);
+__owur TICKET_RETURN 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);
-__owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
- const EVP_MD *md);
-__owur int tls12_get_sigid(const EVP_PKEY *pk);
-__owur const EVP_MD *tls12_get_hash(unsigned char hash_alg);
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_sigalgs(CERT *c, const int *salg, 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
+# ifndef OPENSSL_NO_CT
__owur int ssl_validate_ct(SSL *s);
-#endif
+# 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);
+__owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex,
+ int vfy);
+
+int tls_choose_sigalg(SSL *s, int *al);
__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 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
- int maxlen);
-__owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, PACKET *pkt,
- int *al);
-__owur int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
- int maxlen);
-__owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, PACKET *pkt, int *al);
__owur long ssl_get_algorithm2(SSL *s);
-__owur size_t tls12_copy_sigalgs(SSL *s, unsigned char *out,
- const unsigned char *psig, size_t psiglen);
-__owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize);
+__owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt,
+ const uint16_t *psig, size_t psiglen);
+__owur int tls1_save_sigalgs(SSL *s, PACKET *pkt);
__owur int tls1_process_sigalgs(SSL *s);
-__owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs);
-__owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
- const unsigned char *sig, EVP_PKEY *pkey);
+__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);
+__owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey);
void ssl_set_client_disabled(SSL *s);
-__owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op);
-
-__owur int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
- int maxlen);
-__owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, PACKET *pkt, int *al);
-__owur int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
- int maxlen);
-__owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, PACKET *pkt, int *al);
+__owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op, int echde);
-__owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen);
+__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"
+
/* 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,
size_t data_plus_mac_size,
size_t data_plus_mac_plus_padding_size,
const unsigned char *mac_secret,
- unsigned mac_secret_length, char is_sslv3);
-
-__owur int tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
- EVP_MD_CTX *mac_ctx, const unsigned char *data,
- size_t data_len, size_t orig_len);
+ 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, int *al);
-/* t1_ext.c */
+/* 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, int server,
- unsigned int ext_type,
- const unsigned char *ext_data, size_t ext_size, int *al);
-__owur int custom_ext_add(SSL *s, int server,
- unsigned char **pret, unsigned char *limit, int *al);
+__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, int *al);
+__owur int custom_ext_add(SSL *s, int context, WPACKET *pkt, X509 *x,
+ size_t chainidx, int maxversion, int *al);
-__owur int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src);
+__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);
-# else
+# 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
-# define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat
# endif
#endif
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