-/* ssl/ssl_locl.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
#include "record/record.h"
#include "statem/statem.h"
#include "packet_locl.h"
+#include "internal/dane.h"
# ifdef OPENSSL_BUILD_SHLIBSSL
# undef OPENSSL_EXTERN
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
*((c)++)=(unsigned char)(((l) )&0xff))
-# define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
- l|=((BN_ULLONG)(*((c)++)))<<32, \
- l|=((BN_ULLONG)(*((c)++)))<<24, \
- l|=((BN_ULLONG)(*((c)++)))<<16, \
- l|=((BN_ULLONG)(*((c)++)))<< 8, \
- l|=((BN_ULLONG)(*((c)++))))
-
/* NOTE - c is not incremented as per l2c */
# define l2cn(l1,l2,c,n) { \
c+=n; \
c[1]=(unsigned char)(((l)>> 8)&0xff), \
c[2]=(unsigned char)(((l) )&0xff)),c+=3)
+#define DTLS_VERSION_GT(v1, v2) ((v1) < (v2))
+#define DTLS_VERSION_GE(v1, v2) ((v1) <= (v2))
+#define DTLS_VERSION_LT(v1, v2) ((v1) > (v2))
+#define DTLS_VERSION_LE(v1, v2) ((v1) >= (v2))
+
/* LOCAL STUFF */
# define SSL_DECRYPT 0
/* Bits for algorithm_mkey (key exchange algorithm) */
/* RSA key exchange */
# define SSL_kRSA 0x00000001U
-/* DH cert, RSA CA cert */
-# define SSL_kDHr 0x00000002U
-/* DH cert, DSA CA cert */
-# define SSL_kDHd 0x00000004U
/* tmp DH key no DH cert */
-# define SSL_kDHE 0x00000008U
+# define SSL_kDHE 0x00000002U
/* synonym */
# define SSL_kEDH SSL_kDHE
-/* ECDH cert, RSA CA cert */
-# define SSL_kECDHr 0x00000020U
-/* ECDH cert, ECDSA CA cert */
-# define SSL_kECDHe 0x00000040U
/* ephemeral ECDH */
-# define SSL_kECDHE 0x00000080U
+# define SSL_kECDHE 0x00000004U
/* synonym */
# define SSL_kEECDH SSL_kECDHE
/* PSK */
-# define SSL_kPSK 0x00000100U
+# define SSL_kPSK 0x00000008U
/* GOST key exchange */
-# define SSL_kGOST 0x00000200U
+# define SSL_kGOST 0x00000010U
/* SRP */
-# define SSL_kSRP 0x00000400U
+# define SSL_kSRP 0x00000020U
-# define SSL_kRSAPSK 0x00000800U
-# define SSL_kECDHEPSK 0x00001000U
-# define SSL_kDHEPSK 0x00002000U
+# define SSL_kRSAPSK 0x00000040U
+# define SSL_kECDHEPSK 0x00000080U
+# define SSL_kDHEPSK 0x00000100U
/* all PSK */
# define SSL_aDSS 0x00000002U
/* no auth (i.e. use ADH or AECDH) */
# define SSL_aNULL 0x00000004U
-/* Fixed DH auth (kDHd or kDHr) */
-# define SSL_aDH 0x00000008U
-/* Fixed ECDH auth (kECDHe or kECDHr) */
-# define SSL_aECDH 0x00000010U
/* ECDSA auth*/
-# define SSL_aECDSA 0x00000040U
+# define SSL_aECDSA 0x00000008U
/* PSK auth */
-# define SSL_aPSK 0x00000080U
+# define SSL_aPSK 0x00000010U
/* GOST R 34.10-2001 signature auth */
-# define SSL_aGOST01 0x00000200U
+# define SSL_aGOST01 0x00000020U
/* SRP auth */
-# define SSL_aSRP 0x00000400U
+# define SSL_aSRP 0x00000040U
/* GOST R 34.10-2012 signature auth */
-# define SSL_aGOST12 0x00000800U
+# define SSL_aGOST12 0x00000080U
/* Bits for algorithm_enc (symmetric encryption) */
# define SSL_DES 0x00000001U
# define SSL_AES128CCM8 0x00010000U
# define SSL_AES256CCM8 0x00020000U
# define SSL_eGOST2814789CNT12 0x00040000U
+# define SSL_CHACHA20POLY1305 0x00080000U
# define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM|SSL_AES128CCM|SSL_AES256CCM|SSL_AES128CCM8|SSL_AES256CCM8)
# define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
+# define SSL_CHACHA20 (SSL_CHACHA20POLY1305)
/* Bits for algorithm_mac (symmetric authentication) */
*/
# define TLS1_STREAM_MAC 0x10000
-/*
- * Export and cipher strength information. For each cipher we have to decide
- * whether it is exportable or not. This information is likely to change
- * over time, since the export control rules are no static technical issue.
- *
- * Independent of the export flag the cipher strength is sorted into classes.
- * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
- * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
- * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
- * since SSL_EXP64 could be similar to SSL_LOW.
- * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
- * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
- * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
- * be possible.
- */
-# define SSL_EXP_MASK 0x00000003U
-# define SSL_STRONG_MASK 0x000001fcU
-# define SSL_DEFAULT_MASK 0X00000200U
-
-# define SSL_NOT_EXP 0x00000001U
-# define SSL_EXPORT 0x00000002U
-
-# define SSL_STRONG_NONE 0x00000004U
-# define SSL_EXP40 0x00000008U
-# define SSL_MICRO (SSL_EXP40)
-# define SSL_EXP56 0x00000010U
-# define SSL_MINI (SSL_EXP56)
-# define SSL_LOW 0x00000020U
-# define SSL_MEDIUM 0x00000040U
-# define SSL_HIGH 0x00000080U
-# define SSL_FIPS 0x00000100U
-
-# define SSL_NOT_DEFAULT 0x00000200U
+# define SSL_DEFAULT_MASK 0X00000020U
-/* we have used 000003ff - 22 bits left to go */
+# define SSL_STRONG_NONE 0x00000001U
+# define SSL_LOW 0x00000002U
+# define SSL_MEDIUM 0x00000004U
+# define SSL_HIGH 0x00000008U
+# define SSL_FIPS 0x00000010U
+# define SSL_NOT_DEFAULT 0x00000020U
-/*-
- * Macros to check the export status and cipher strength for export ciphers.
- * Even though the macros for EXPORT and EXPORT40/56 have similar names,
- * their meaning is different:
- * *_EXPORT macros check the 'exportable' status.
- * *_EXPORT40/56 macros are used to check whether a certain cipher strength
- * is given.
- * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
- * algorithm structure element to be passed (algorithms, algo_strength) and no
- * typechecking can be done as they are all of type unsigned long, their
- * direct usage is discouraged.
- * Use the SSL_C_* macros instead.
- */
-# define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
-# define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
-# define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
-# define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
-# define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
-# define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
-
-# define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
- (a) == SSL_DES ? 8 : 7)
-# define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
-# define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
- (c)->algo_strength)
-# define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
+/* we have used 0000003f - 26 bits left to go */
/* Check if an SSL structure is using DTLS */
# define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
* flags because it may not be set to correct version yet.
*/
# define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \
- ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \
- (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION))
+ ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \
+ (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION)))
# ifdef TLSEXT_TYPE_encrypt_then_mac
# define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC)
# define SSL_PKEY_RSA_ENC 0
# define SSL_PKEY_RSA_SIGN 1
# define SSL_PKEY_DSA_SIGN 2
-# define SSL_PKEY_DH_RSA 3
-# define SSL_PKEY_DH_DSA 4
-# define SSL_PKEY_ECC 5
-# define SSL_PKEY_GOST01 7
-# define SSL_PKEY_GOST12_256 8
-# define SSL_PKEY_GOST12_512 9
-# define SSL_PKEY_NUM 10
+# 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
/*
* Pseudo-constant. GOST cipher suites can use different certs for 1
* SSL_CIPHER. So let's see which one we have in fact.
# define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1
/*-
- * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
- * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
+ * SSL_kRSA <- RSA_ENC
* SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
* SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN
* SSL_aRSA <- RSA_ENC | RSA_SIGN
/* Used to hold SSL/TLS functions */
struct ssl_method_st {
int version;
+ unsigned flags;
+ unsigned long mask;
int (*ssl_new) (SSL *s);
void (*ssl_clear) (SSL *s);
void (*ssl_free) (SSL *s);
/* This is the cert and type for the other end. */
X509 *peer;
int peer_type;
- /* Certificate chain of peer */
+ /* Certificate chain peer sent */
STACK_OF(X509) *peer_chain;
/*
* when app_verify_callback accepts a session where the peer's
# endif
-typedef struct ssl_comp_st SSL_COMP;
-
struct ssl_comp_st {
int id;
const char *name;
COMP_METHOD *method;
};
-DECLARE_STACK_OF(SSL_COMP)
-DECLARE_LHASH_OF(SSL_SESSION);
-
+DEFINE_LHASH_OF(SSL_SESSION);
+/* Needed in ssl_cert.c */
+DEFINE_LHASH_OF(X509_NAME);
struct ssl_ctx_st {
const SSL_METHOD *method;
int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess);
void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess);
SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl,
- unsigned char *data, int len, int *copy);
+ const unsigned char *data, int len,
+ int *copy);
struct {
int sess_connect; /* SSL new conn - started */
int sess_connect_renegotiate; /* SSL reneg - requested */
uint32_t options;
uint32_t mode;
+ int min_proto_version;
+ int max_proto_version;
long max_cert_list;
struct cert_st /* CERT */ *cert;
unsigned char *alpn_client_proto_list;
unsigned alpn_client_proto_list_len;
+ /* Shared DANE context */
+ struct dane_ctx_st dane;
+
/* SRTP profiles we are willing to do from RFC 5764 */
STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
/*
void *msg_callback_arg;
int hit; /* reusing a previous session */
X509_VERIFY_PARAM *param;
+
+ /* Per connection DANE state */
+ struct dane_st dane;
+
/* crypto */
STACK_OF(SSL_CIPHER) *cipher_list;
STACK_OF(SSL_CIPHER) *cipher_list_by_id;
unsigned int max_psk_len);
# endif
SSL_CTX *ctx;
- /*
- * set this flag to 1 and a sleep(1) is put into all SSL_read() and
- * SSL_write() calls, good for nbio debuging :-)
- */
- int debug;
- /* extra application data */
+ /* Verified chain of peer */
+ STACK_OF(X509) *verified_chain;
long verify_result;
+ /* 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;
uint32_t options;
/* API behaviour */
uint32_t mode;
+ int min_proto_version;
+ int max_proto_version;
long max_cert_list;
int first_packet;
/* what was passed, used for SSLv3/TLS rollback check */
/* TLS extension debug callback */
void (*tlsext_debug_cb) (SSL *s, int client_server, int type,
- unsigned char *data, int len, void *arg);
+ const unsigned char *data, int len, void *arg);
void *tlsext_debug_arg;
char *tlsext_hostname;
/*-
/* flags for countermeasure against known-IV weakness */
int need_empty_fragments;
int empty_fragment_done;
- /* The value of 'extra' when the buffers were initialized */
- int init_extra;
/* used during startup, digest all incoming/outgoing packets */
BIO *handshake_buffer;
/*
int message_type;
/* used to hold the new cipher we are going to use */
const SSL_CIPHER *new_cipher;
-# ifndef OPENSSL_NO_DH
- DH *dh;
-# endif
-# ifndef OPENSSL_NO_EC
- EC_KEY *ecdh; /* holds short lived ECDH key */
+# 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 use_rsa_tmp;
int key_block_length;
unsigned char *key_block;
const EVP_CIPHER *new_sym_enc;
*/
uint32_t mask_k;
uint32_t mask_a;
- uint32_t export_mask_k;
- uint32_t export_mask_a;
/* Client only */
uint32_t mask_ssl;
} tmp;
# endif /* !OPENSSL_NO_EC */
/* For clients: peer temporary key */
-# ifndef OPENSSL_NO_RSA
- RSA *peer_rsa_tmp;
-# endif
-# ifndef OPENSSL_NO_DH
- DH *peer_dh_tmp;
-# endif
-# ifndef OPENSSL_NO_EC
- EC_KEY *peer_ecdh_tmp;
+# if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
+ EVP_PKEY *peer_tmp;
# endif
} SSL3_STATE;
unsigned char *reassembly;
} hm_fragment;
+typedef struct pqueue_st pqueue;
+typedef struct pitem_st pitem;
+
+struct pitem_st {
+ unsigned char priority[8]; /* 64-bit value in big-endian encoding */
+ void *data;
+ pitem *next;
+};
+
+typedef struct pitem_st *piterator;
+
+pitem *pitem_new(unsigned char *prio64be, void *data);
+void pitem_free(pitem *item);
+pqueue* pqueue_new(void);
+void pqueue_free(pqueue *pq);
+pitem *pqueue_insert(pqueue *pq, pitem *item);
+pitem *pqueue_peek(pqueue *pq);
+pitem *pqueue_pop(pqueue *pq);
+pitem *pqueue_find(pqueue *pq, unsigned char *prio64be);
+pitem *pqueue_iterator(pqueue *pq);
+pitem *pqueue_next(piterator *iter);
+void pqueue_print(pqueue *pq);
+int pqueue_size(pqueue *pq);
+
typedef struct dtls1_state_st {
unsigned char cookie[DTLS1_COOKIE_LENGTH];
unsigned int cookie_len;
unsigned short handshake_read_seq;
/* Buffered handshake messages */
- pqueue buffered_messages;
+ pqueue *buffered_messages;
/* Buffered (sent) handshake records */
- pqueue sent_messages;
+ pqueue *sent_messages;
unsigned int link_mtu; /* max on-the-wire DTLS packet size */
unsigned int mtu; /* max DTLS packet size */
* an index, not a pointer.
*/
CERT_PKEY *key;
-# ifndef OPENSSL_NO_RSA
- RSA *rsa_tmp;
- RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize);
-# endif
# ifndef OPENSSL_NO_DH
- DH *dh_tmp;
+ EVP_PKEY *dh_tmp;
DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize);
int dh_tmp_auto;
-# endif
-# ifndef OPENSSL_NO_EC
- EC_KEY *ecdh_tmp;
- /* Select ECDH parameters automatically */
- int ecdh_tmp_auto;
# endif
/* Flags related to certificates */
uint32_t cert_flags;
extern const SSL3_ENC_METHOD DTLSv1_enc_data;
extern const SSL3_ENC_METHOD DTLSv1_2_enc_data;
-# define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
- s_get_meth, enc_data) \
+/*
+ * Flags for SSL methods
+ */
+#define SSL_METHOD_NO_FIPS (1U<<0)
+#define SSL_METHOD_NO_SUITEB (1U<<1)
+
+# define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \
+ s_connect, s_get_meth, enc_data) \
const SSL_METHOD *func_name(void) \
{ \
static const SSL_METHOD func_name##_data= { \
version, \
+ flags, \
+ mask, \
tls1_new, \
tls1_clear, \
tls1_free, \
{ \
static const SSL_METHOD func_name##_data= { \
SSL3_VERSION, \
+ SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \
+ SSL_OP_NO_SSLv3, \
ssl3_new, \
ssl3_clear, \
ssl3_free, \
return &func_name##_data; \
}
-# define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \
- s_get_meth, enc_data) \
+# define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \
+ s_connect, s_get_meth, enc_data) \
const SSL_METHOD *func_name(void) \
{ \
static const SSL_METHOD func_name##_data= { \
version, \
+ flags, \
+ mask, \
dtls1_new, \
dtls1_clear, \
dtls1_free, \
struct openssl_ssl_test_functions {
int (*p_ssl_init_wbio_buffer) (SSL *s, int push);
int (*p_ssl3_setup_buffers) (SSL *s);
- int (*p_tls1_process_heartbeat) (SSL *s,
- unsigned char *p, unsigned int length);
int (*p_dtls1_process_heartbeat) (SSL *s,
unsigned char *p, unsigned int length);
};
__owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);
__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_dh_to_pkey(DH *dh);
__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);
void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
void ssl3_free_digest_list(SSL *s);
__owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
-__owur SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt,
- STACK_OF(SSL_CIPHER) *srvr);
+__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 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);
+
__owur long tls1_default_timeout(void);
__owur int dtls1_do_write(SSL *s, int type);
void dtls1_set_message_header(SSL *s,
__owur int ssl_prepare_serverhello_tlsext(SSL *s);
# ifndef OPENSSL_NO_HEARTBEATS
-__owur int tls1_heartbeat(SSL *s);
__owur int dtls1_heartbeat(SSL *s);
-__owur int tls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length);
__owur int dtls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length);
# endif
-__owur int tls1_process_ticket(SSL *s, const PACKET *ext,
- const PACKET *session_id, SSL_SESSION **ret);
+__owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext,
+ const PACKET *session_id,
+ SSL_SESSION **ret);
__owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
const EVP_MD *md);
# define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
# define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
-# define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat
# define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat
# endif