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OpenSSL 1.1.1-pre2

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Hakase
2018-04-07 17:29:40 +09:00
parent 82a44d2483
commit bbac8ca55d
17755 changed files with 221242 additions and 98415 deletions
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ssl/ssl_locl.h
+922 -460
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@@ -1,5 +1,7 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
* Copyright 1995-2018 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
@@ -7,54 +9,18 @@
* 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 "e_os.h" /* struct timeval for DTLS */
# include <stdlib.h>
# include <time.h>
# include <string.h>
# include <errno.h>
# include "e_os.h"
# if defined(__unix) || defined(__unix__)
# include <sys/time.h> /* struct timeval for DTLS */
# endif
# include <openssl/buffer.h>
# include <openssl/comp.h>
# include <openssl/bio.h>
# include <openssl/stack.h>
# include <openssl/rsa.h>
# include <openssl/dsa.h>
# include <openssl/err.h>
@@ -66,14 +32,13 @@
# 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), \
@@ -174,19 +139,6 @@
# 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
# 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.
@@ -228,6 +180,9 @@
# 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
@@ -245,6 +200,11 @@
# 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
@@ -267,12 +227,16 @@
# 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) */
@@ -347,8 +311,27 @@
/* 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)
@@ -378,18 +361,27 @@
# 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_ENC 0
# define SSL_PKEY_RSA_SIGN 1
# 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_NUM 7
# define SSL_PKEY_ED25519 7
# define SSL_PKEY_NUM 8
/*
* Pseudo-constant. GOST cipher suites can use different certs for 1
* SSL_CIPHER. So let's see which one we have in fact.
@@ -410,12 +402,22 @@
#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
@@ -441,25 +443,28 @@ struct ssl_method_st {
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);
@@ -498,17 +503,24 @@ struct ssl_method_st {
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];
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;
@@ -523,14 +535,14 @@ struct ssl_session_st {
/* 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 */
@@ -544,18 +556,37 @@ struct ssl_session_st {
* 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 */
size_t ecpointformats_len;
unsigned char *ecpointformats; /* peer's list */
# endif /* OPENSSL_NO_EC */
size_t supportedgroups_len;
uint16_t *supportedgroups; /* peer's list */
/* 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;
/*
* 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
@@ -587,12 +618,114 @@ typedef struct srp_ctx_st {
# 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);
@@ -647,7 +780,7 @@ struct ssl_ctx_st {
* 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;
/*
@@ -694,7 +827,7 @@ struct ssl_ctx_st {
* :-) */
} stats;
int references;
CRYPTO_REF_COUNT references;
/* if defined, these override the X509_verify_cert() calls */
int (*app_verify_callback) (X509_STORE_CTX *, void *);
@@ -734,8 +867,12 @@ struct ssl_ctx_st {
/* 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
@@ -746,7 +883,7 @@ struct ssl_ctx_st {
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;
@@ -757,7 +894,7 @@ struct ssl_ctx_st {
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);
@@ -783,15 +920,15 @@ struct ssl_ctx_st {
* 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;
@@ -803,63 +940,45 @@ struct ssl_ctx_st {
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);
/* ClientHello callback. Mostly for extensions, but not entirely. */
SSL_client_hello_cb_fn client_hello_cb;
void *client_hello_cb_arg;
/* certificate status request info */
/* Callback for status request */
int (*tlsext_status_cb) (SSL *ssl, void *arg);
void *tlsext_status_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];
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);
# 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
/* 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_SRP
SRP_CTX srp_ctx; /* ctx for SRP authentication */
# endif
# 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 */
# 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.
*/
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
/*
* 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
@@ -871,19 +990,50 @@ struct ssl_ctx_st {
* 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
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;
@@ -895,18 +1045,22 @@ struct ssl_ctx_st {
* 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 {
@@ -956,11 +1110,12 @@ struct ssl_st {
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 */
@@ -979,26 +1134,67 @@ struct ssl_st {
* 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];
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 */
/* 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 */
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
*/
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;
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.
@@ -1014,15 +1210,11 @@ struct ssl_st {
/* 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);
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;
@@ -1030,35 +1222,130 @@ struct ssl_st {
/* 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;
/* 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;
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;
# endif /* OPENSSL_NO_EC */
size_t supportedgroups_len;
/* our list */
uint16_t *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;
} 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.
@@ -1066,98 +1353,43 @@ struct ssl_st {
* 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
/*
* 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 *session_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
/* 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;
/* Set to one if we have negotiated ETM */
int tlsext_use_etm;
/*-
* 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_forced;
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;
@@ -1175,14 +1407,77 @@ struct ssl_st {
/* 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;
RAND_DRBG *drbg;
};
/*
* 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 pubic key algorithm */
uint32_t amask; /* authmask corresponding to key type */
} SSL_CERT_LOOKUP;
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];
@@ -1221,10 +1516,10 @@ typedef struct ssl3_state_st {
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;
@@ -1233,15 +1528,17 @@ typedef struct ssl3_state_st {
# 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;
size_t new_mac_secret_size;
# ifndef OPENSSL_NO_COMP
const SSL_COMP *new_compression;
# else
@@ -1259,18 +1556,23 @@ typedef struct ssl3_state_st {
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.
*/
unsigned char *peer_sigalgs;
/* Size of above array */
uint16_t *peer_sigalgs;
uint16_t *peer_cert_sigalgs;
/* Size of above arrays */
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];
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.
@@ -1295,16 +1597,16 @@ typedef struct ssl3_state_st {
/* 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
/*
* Set if we saw the Next Protocol Negotiation extension from our peer.
*/
int next_proto_neg_seen;
int npn_seen;
# endif
/*
@@ -1336,6 +1638,8 @@ typedef struct ssl3_state_st {
/* 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
@@ -1352,7 +1656,7 @@ typedef struct ssl3_state_st {
/*
* Flag used in message reuse to indicate the buffer contains the record
* header as well as the the handshake message header.
* header as well as the handshake message header.
*/
# define DTLS1_SKIP_RECORD_HEADER 2
@@ -1366,10 +1670,10 @@ struct dtls1_retransmit_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;
};
@@ -1410,11 +1714,11 @@ pitem *pqueue_pop(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;
@@ -1424,21 +1728,25 @@ typedef struct dtls1_state_st {
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 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
@@ -1450,7 +1758,7 @@ typedef struct dtls1_state_st {
# 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 */
@@ -1464,24 +1772,34 @@ typedef struct cert_pkey_st {
*/
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;
@@ -1519,36 +1837,32 @@ typedef struct cert_st {
/* 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
@@ -1565,9 +1879,8 @@ typedef struct cert_st {
*/
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);
@@ -1578,23 +1891,10 @@ typedef struct cert_st {
/* 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 */
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 *))
/*
@@ -1602,18 +1902,17 @@ struct tls_sigalgs_st {
* 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,
@@ -1621,19 +1920,18 @@ typedef struct ssl3_enc_method {
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 */
@@ -1662,6 +1960,70 @@ typedef struct ssl3_comp_st {
} 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
/* 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);
@@ -1677,6 +2039,9 @@ __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);
@@ -1688,6 +2053,7 @@ __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;
@@ -1814,35 +2180,54 @@ const SSL_METHOD *func_name(void) \
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;
}
static ossl_inline void tls1_get_peer_groups(SSL *s, const uint16_t **pgroups,
size_t *pgroupslen)
{
*pgroups = s->session->ext.supportedgroups;
*pgroupslen = s->session->ext.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 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);
__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 *meth,
struct ssl_cipher_preference_list_st **pref,
STACK_OF(SSL_CIPHER) **sorted,
const char *rule_str,
CERT *c);
struct ssl_cipher_preference_list_st **pref,
STACK_OF(SSL_CIPHER) **sorted,
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);
struct ssl_cipher_preference_list_st* ssl_cipher_preference_list_dup(
struct ssl_cipher_preference_list_st *cipher_list);
@@ -1853,55 +2238,64 @@ struct ssl_cipher_preference_list_st* ssl_cipher_preference_list_from_ciphers(
struct ssl_cipher_preference_list_st* ssl_get_cipher_preferences(SSL *s);
__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,
size_t *mac_secret_size, SSL_COMP **comp,
int use_etm);
__owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c);
__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);
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);
__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);
__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_randbytes(SSL *s, unsigned char *buf, size_t num);
__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 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 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(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);
int ssl_load_ciphers(void);
__owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field,
int len);
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);
__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, 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);
@@ -1909,29 +2303,31 @@ 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, 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);
__owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,
STACK_OF(SSL_CIPHER) *clnt,
struct ssl_cipher_preference_list_st *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));
@@ -1940,7 +2336,11 @@ __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, 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);
@@ -1950,20 +2350,22 @@ __owur int ssl_version_supported(const SSL *s, int version);
__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,
__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);
__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);
@@ -1982,44 +2384,80 @@ void dtls1_start_timer(SSL *s);
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 dtls1_send_newsession_ticket(SSL *s);
__owur unsigned int dtls1_min_mtu(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);
void tls1_clear(SSL *s);
long tls1_ctrl(SSL *s, int cmd, long larg, void *parg);
long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
int tls1_clear(SSL *s);
__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);
__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);
__owur int ssl_ok(SSL *s);
# ifndef OPENSSL_NO_EC
__owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
@@ -2028,56 +2466,59 @@ __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
# ifndef OPENSSL_NO_EC
/* Flags values from tls1_ec_curve_id2nid() */
/* Mask for curve type */
# define TLS_CURVE_TYPE 0x3
# define TLS_CURVE_PRIME 0x0
# define TLS_CURVE_CHAR2 0x1
# define TLS_CURVE_CUSTOM 0x2
__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,
__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);
__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_curves_list(unsigned char **pext, size_t *pextlen,
__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_curve(int 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 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);
void ssl_set_default_md(SSL *s);
__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 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
/* 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 renewed */
TICKET_SUCCESS_RENEW
} TICKET_RETURN;
__owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext,
const PACKET *session_id,
SSL_SESSION **ret);
__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_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,
@@ -2096,37 +2537,56 @@ __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 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_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 size_t tls12_get_psigalgs(SSL *s, int sent, const unsigned char **psigs);
__owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
const unsigned char *sig, EVP_PKEY *pkey);
void ssl_set_client_disabled(SSL *s);
__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);
__owur int ssl_set_client_disabled(SSL *s);
__owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op, int echde);
__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_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,
@@ -2137,26 +2597,29 @@ __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);
__owur int srp_verify_server_param(SSL *s);
/* t1_ext.c */
/* 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, int server,
unsigned int ext_type,
__owur int custom_ext_parse(SSL *s, unsigned int context, 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);
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);
@@ -2166,11 +2629,10 @@ 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