* [including the GNU Public Licence.]
*/
/* ====================================================================
- * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/md5.h>
+#ifndef OPENSSL_NO_DH
+#include <openssl/dh.h>
+#endif
+#include <openssl/bn.h>
-static SSL_METHOD *ssl3_get_client_method(int ver);
-static int ssl3_client_hello(SSL *s);
-static int ssl3_get_server_hello(SSL *s);
-static int ssl3_get_certificate_request(SSL *s);
+static const SSL_METHOD *ssl3_get_client_method(int ver);
static int ca_dn_cmp(const X509_NAME * const *a,const X509_NAME * const *b);
-static int ssl3_get_server_done(SSL *s);
-static int ssl3_send_client_verify(SSL *s);
-static int ssl3_send_client_certificate(SSL *s);
-static int ssl3_send_client_key_exchange(SSL *s);
-static int ssl3_get_key_exchange(SSL *s);
-static int ssl3_get_server_certificate(SSL *s);
-static int ssl3_check_cert_and_algorithm(SSL *s);
#ifndef OPENSSL_NO_ECDH
static int curve_id2nid(int curve_id);
int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs);
#endif
-static SSL_METHOD *ssl3_get_client_method(int ver)
+static const SSL_METHOD *ssl3_get_client_method(int ver)
{
if (ver == SSL3_VERSION)
return(SSLv3_client_method());
return(NULL);
}
-SSL_METHOD *SSLv3_client_method(void)
- {
- static int init=1;
- static SSL_METHOD SSLv3_client_data;
-
- if (init)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_SSL_METHOD);
-
- if (init)
- {
- memcpy((char *)&SSLv3_client_data,(char *)sslv3_base_method(),
- sizeof(SSL_METHOD));
- SSLv3_client_data.ssl_connect=ssl3_connect;
- SSLv3_client_data.get_ssl_method=ssl3_get_client_method;
- init=0;
- }
-
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL_METHOD);
- }
- return(&SSLv3_client_data);
- }
+IMPLEMENT_ssl3_meth_func(SSLv3_client_method,
+ ssl_undefined_function,
+ ssl3_connect,
+ ssl3_get_client_method)
int ssl3_connect(SSL *s)
{
BUF_MEM *buf=NULL;
- unsigned long Time=time(NULL),l;
+ unsigned long Time=(unsigned long)time(NULL),l;
long num1;
void (*cb)(const SSL *ssl,int type,int val)=NULL;
int ret= -1;
case SSL3_ST_CR_SRVR_HELLO_B:
ret=ssl3_get_server_hello(s);
if (ret <= 0) goto end;
+#ifndef OPENSSL_NO_TLSEXT
+ {
+ int al;
+ if (ssl_check_tlsext(s,&al) <= 0)
+ {
+ ssl3_send_alert(s,SSL3_AL_FATAL,al); /* XXX does this *have* to be fatal? */
+ SSLerr(SSL_F_SSL3_CONNECT,SSL_R_SERVERHELLO_TLS_EXT);
+ ret = -1;
+ goto end;
+ }
+ }
+#endif
if (s->hit)
s->state=SSL3_ST_CR_FINISHED_A;
else
s->init_num=0;
s->session->cipher=s->s3->tmp.new_cipher;
+#ifdef OPENSSL_NO_COMP
+ s->session->compress_meth=0;
+#else
if (s->s3->tmp.new_compression == NULL)
s->session->compress_meth=0;
else
s->session->compress_meth=
s->s3->tmp.new_compression->id;
+#endif
if (!s->method->ssl3_enc->setup_key_block(s))
{
ret= -1;
}
-static int ssl3_client_hello(SSL *s)
+int ssl3_client_hello(SSL *s)
{
unsigned char *buf;
unsigned char *p,*d;
- int i,j;
+ int i;
unsigned long Time,l;
+#ifndef OPENSSL_NO_COMP
+ int j;
SSL_COMP *comp;
+#endif
buf=(unsigned char *)s->init_buf->data;
if (s->state == SSL3_ST_CW_CLNT_HELLO_A)
/* else use the pre-loaded session */
p=s->s3->client_random;
- Time=time(NULL); /* Time */
+ Time=(unsigned long)time(NULL); /* Time */
l2n(Time,p);
- RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-sizeof(Time));
+ if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0)
+ goto err;
/* Do the message type and length last */
d=p= &(buf[4]);
}
/* Ciphers supported */
- i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2]));
+ i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2]),0);
if (i == 0)
{
SSLerr(SSL_F_SSL3_CLIENT_HELLO,SSL_R_NO_CIPHERS_AVAILABLE);
p+=i;
/* COMPRESSION */
- if (s->ctx->comp_methods == NULL)
+#ifdef OPENSSL_NO_COMP
+ *(p++)=1;
+#else
+
+ if ((s->options & SSL_OP_NO_COMPRESSION)
+ || !s->ctx->comp_methods)
j=0;
else
j=sk_SSL_COMP_num(s->ctx->comp_methods);
comp=sk_SSL_COMP_value(s->ctx->comp_methods,i);
*(p++)=comp->id;
}
+#endif
*(p++)=0; /* Add the NULL method */
+#ifndef OPENSSL_NO_TLSEXT
+ if ((p = ssl_add_clienthello_tlsext(s, p, buf+SSL3_RT_MAX_PLAIN_LENGTH)) == NULL)
+ {
+ SSLerr(SSL_F_SSL3_CLIENT_HELLO,ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+#endif
l=(p-d);
d=buf;
return(-1);
}
-static int ssl3_get_server_hello(SSL *s)
+int ssl3_get_server_hello(SSL *s)
{
STACK_OF(SSL_CIPHER) *sk;
SSL_CIPHER *c;
int i,al,ok;
unsigned int j;
long n;
+#ifndef OPENSSL_NO_COMP
SSL_COMP *comp;
+#endif
- n=ssl3_get_message(s,
+ n=s->method->ssl_get_message(s,
SSL3_ST_CR_SRVR_HELLO_A,
SSL3_ST_CR_SRVR_HELLO_B,
- SSL3_MT_SERVER_HELLO,
+ -1,
300, /* ?? */
&ok);
if (!ok) return((int)n);
+
+ if ( SSL_version(s) == DTLS1_VERSION)
+ {
+ if ( s->s3->tmp.message_type == DTLS1_MT_HELLO_VERIFY_REQUEST)
+ {
+ if ( s->d1->send_cookie == 0)
+ {
+ s->s3->tmp.reuse_message = 1;
+ return 1;
+ }
+ else /* already sent a cookie */
+ {
+ al=SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_BAD_MESSAGE_TYPE);
+ goto f_err;
+ }
+ }
+ }
+
+ if ( s->s3->tmp.message_type != SSL3_MT_SERVER_HELLO)
+ {
+ al=SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_BAD_MESSAGE_TYPE);
+ goto f_err;
+ }
+
d=p=(unsigned char *)s->init_msg;
if ((p[0] != (s->version>>8)) || (p[1] != (s->version&0xff)))
/* lets get the compression algorithm */
/* COMPRESSION */
+#ifdef OPENSSL_NO_COMP
+ if (*(p++) != 0)
+ {
+ al=SSL_AD_ILLEGAL_PARAMETER;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
+ goto f_err;
+ }
+#else
j= *(p++);
- if (j == 0)
+ if ((j == 0) || (s->options & SSL_OP_NO_COMPRESSION))
comp=NULL;
else
comp=ssl3_comp_find(s->ctx->comp_methods,j);
{
s->s3->tmp.new_compression=comp;
}
+#endif
+#ifndef OPENSSL_NO_TLSEXT
+ /* TLS extensions*/
+ if (s->version > SSL3_VERSION)
+ {
+ if (!ssl_parse_serverhello_tlsext(s,&p,d,n, &al))
+ {
+ /* 'al' set by ssl_parse_serverhello_tlsext */
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_PARSE_TLS_EXT);
+ goto f_err;
+ }
+ }
+#endif
if (p != (d+n))
{
return(-1);
}
-static int ssl3_get_server_certificate(SSL *s)
+int ssl3_get_server_certificate(SSL *s)
{
int al,i,ok,ret= -1;
unsigned long n,nc,llen,l;
EVP_PKEY *pkey=NULL;
int need_cert = 1; /* VRS: 0=> will allow null cert if auth == KRB5 */
- n=ssl3_get_message(s,
+ n=s->method->ssl_get_message(s,
SSL3_ST_CR_CERT_A,
SSL3_ST_CR_CERT_B,
-1,
return(ret);
}
-static int ssl3_get_key_exchange(SSL *s)
+int ssl3_get_key_exchange(SSL *s)
{
#ifndef OPENSSL_NO_RSA
unsigned char *q,md_buf[EVP_MAX_MD_SIZE*2];
/* use same message size as in ssl3_get_certificate_request()
* as ServerKeyExchange message may be skipped */
- n=ssl3_get_message(s,
+ n=s->method->ssl_get_message(s,
SSL3_ST_CR_KEY_EXCH_A,
SSL3_ST_CR_KEY_EXCH_B,
-1,
#ifndef OPENSSL_NO_ECDH
else if (alg & SSL_kECDHE)
{
+ EC_GROUP *ngroup;
+ const EC_GROUP *group;
+
if ((ecdh=EC_KEY_new()) == NULL)
{
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
*/
/* XXX: For now we only support named (not generic) curves
- * and the ECParameters in this case is just two bytes.
+ * and the ECParameters in this case is just three bytes.
*/
- param_len=2;
+ param_len=3;
if ((param_len > n) ||
(*p != NAMED_CURVE_TYPE) ||
- ((curve_nid = curve_id2nid(*(p + 1))) == 0))
+ ((curve_nid = curve_id2nid(*(p + 2))) == 0))
{
al=SSL_AD_INTERNAL_ERROR;
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS);
goto f_err;
}
- if (!(ecdh->group=EC_GROUP_new_by_nid(curve_nid)))
+ ngroup = EC_GROUP_new_by_curve_name(curve_nid);
+ if (ngroup == NULL)
{
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_EC_LIB);
goto err;
}
+ if (EC_KEY_set_group(ecdh, ngroup) == 0)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_EC_LIB);
+ goto err;
+ }
+ EC_GROUP_free(ngroup);
+
+ group = EC_KEY_get0_group(ecdh);
if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) &&
- (EC_GROUP_get_degree(ecdh->group) > 163))
+ (EC_GROUP_get_degree(group) > 163))
{
al=SSL_AD_EXPORT_RESTRICTION;
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER);
goto f_err;
}
- p+=2;
+ p+=3;
/* Next, get the encoded ECPoint */
- if (((srvr_ecpoint = EC_POINT_new(ecdh->group)) == NULL) ||
+ if (((srvr_ecpoint = EC_POINT_new(group)) == NULL) ||
((bn_ctx = BN_CTX_new()) == NULL))
{
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
p+=1;
param_len += (1 + encoded_pt_len);
if ((param_len > n) ||
- (EC_POINT_oct2point(ecdh->group, srvr_ecpoint,
+ (EC_POINT_oct2point(group, srvr_ecpoint,
p, encoded_pt_len, bn_ctx) == 0))
{
al=SSL_AD_DECODE_ERROR;
pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_ECC].x509);
#endif
/* else anonymous ECDH, so no certificate or pkey. */
- ecdh->pub_key = srvr_ecpoint;
+ EC_KEY_set_public_key(ecdh, srvr_ecpoint);
s->session->sess_cert->peer_ecdh_tmp=ecdh;
ecdh=NULL;
BN_CTX_free(bn_ctx);
+ EC_POINT_free(srvr_ecpoint);
srvr_ecpoint = NULL;
}
else if (alg & SSL_kECDH)
return(-1);
}
-static int ssl3_get_certificate_request(SSL *s)
+int ssl3_get_certificate_request(SSL *s)
{
int ok,ret=0;
unsigned long n,nc,l;
unsigned char *d;
STACK_OF(X509_NAME) *ca_sk=NULL;
- n=ssl3_get_message(s,
+ n=s->method->ssl_get_message(s,
SSL3_ST_CR_CERT_REQ_A,
SSL3_ST_CR_CERT_REQ_B,
-1,
return(X509_NAME_cmp(*a,*b));
}
-static int ssl3_get_server_done(SSL *s)
+int ssl3_get_server_done(SSL *s)
{
int ok,ret=0;
long n;
- n=ssl3_get_message(s,
+ n=s->method->ssl_get_message(s,
SSL3_ST_CR_SRVR_DONE_A,
SSL3_ST_CR_SRVR_DONE_B,
SSL3_MT_SERVER_DONE,
}
-static const int KDF1_SHA1_len = 20;
-static void *KDF1_SHA1(void *in, size_t inlen, void *out, size_t outlen)
- {
-#ifndef OPENSSL_NO_SHA
- if (outlen != SHA_DIGEST_LENGTH)
- return NULL;
- return SHA1(in, inlen, out);
-#else
- return NULL;
-#endif
- }
-
-static int ssl3_send_client_key_exchange(SSL *s)
+int ssl3_send_client_key_exchange(SSL *s)
{
unsigned char *p,*d;
int n;
#endif /* OPENSSL_NO_KRB5 */
#ifndef OPENSSL_NO_ECDH
EC_KEY *clnt_ecdh = NULL;
- EC_POINT *srvr_ecpoint = NULL;
+ const EC_POINT *srvr_ecpoint = NULL;
EVP_PKEY *srvr_pub_pkey = NULL;
unsigned char *encodedPoint = NULL;
int encoded_pt_len = 0;
#ifndef OPENSSL_NO_ECDH
else if ((l & SSL_kECDH) || (l & SSL_kECDHE))
{
- EC_GROUP *srvr_group = NULL;
+ const EC_GROUP *srvr_group = NULL;
+ EC_KEY *tkey;
int ecdh_clnt_cert = 0;
int field_size = 0;
if (s->session->sess_cert->peer_ecdh_tmp != NULL)
{
- srvr_group = s->session->sess_cert-> \
- peer_ecdh_tmp->group;
- srvr_ecpoint = s->session->sess_cert-> \
- peer_ecdh_tmp->pub_key;
+ tkey = s->session->sess_cert->peer_ecdh_tmp;
}
else
{
sess_cert->peer_pkeys[SSL_PKEY_ECC].x509);
if ((srvr_pub_pkey == NULL) ||
(srvr_pub_pkey->type != EVP_PKEY_EC) ||
- (srvr_pub_pkey->pkey.eckey == NULL))
+ (srvr_pub_pkey->pkey.ec == NULL))
{
SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
ERR_R_INTERNAL_ERROR);
goto err;
}
- srvr_group = srvr_pub_pkey->pkey.eckey->group;
- srvr_ecpoint =
- srvr_pub_pkey->pkey.eckey->pub_key;
+ tkey = srvr_pub_pkey->pkey.ec;
}
+ srvr_group = EC_KEY_get0_group(tkey);
+ srvr_ecpoint = EC_KEY_get0_public_key(tkey);
+
if ((srvr_group == NULL) || (srvr_ecpoint == NULL))
{
SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
goto err;
}
- clnt_ecdh->group = srvr_group;
+ if (!EC_KEY_set_group(clnt_ecdh, srvr_group))
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_EC_LIB);
+ goto err;
+ }
if (ecdh_clnt_cert)
{
/* Reuse key info from our certificate
* We only need our private key to perform
* the ECDH computation.
*/
- clnt_ecdh->priv_key = BN_dup(s->cert->key-> \
- privatekey->pkey.eckey->priv_key);
+ const BIGNUM *priv_key;
+ tkey = s->cert->key->privatekey->pkey.ec;
+ priv_key = EC_KEY_get0_private_key(tkey);
+ if (priv_key == NULL)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!EC_KEY_set_private_key(clnt_ecdh, priv_key))
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_EC_LIB);
+ goto err;
+ }
}
else
{
* make sure to clear it out afterwards
*/
- field_size = EC_GROUP_get_degree(clnt_ecdh->group);
+ field_size = EC_GROUP_get_degree(srvr_group);
if (field_size <= 0)
{
SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
ERR_R_ECDH_LIB);
goto err;
}
- /* If field size is not more than 24 octets, then use SHA-1 hash of result;
- * otherwise, use result (see section 4.8 of draft-ietf-tls-ecc-03.txt;
- * this is new with this version of the Internet Draft).
- */
- if (field_size <= 24 * 8)
- n=ECDH_compute_key(p, KDF1_SHA1_len, srvr_ecpoint, clnt_ecdh, KDF1_SHA1);
- else
- n=ECDH_compute_key(p, (field_size+7)/8, srvr_ecpoint, clnt_ecdh, NULL);
+ n=ECDH_compute_key(p, (field_size+7)/8, srvr_ecpoint, clnt_ecdh, NULL);
if (n <= 0)
{
SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
* allocate memory accordingly.
*/
encoded_pt_len =
- EC_POINT_point2oct(clnt_ecdh->group,
- clnt_ecdh->pub_key,
+ EC_POINT_point2oct(srvr_group,
+ EC_KEY_get0_public_key(clnt_ecdh),
POINT_CONVERSION_UNCOMPRESSED,
NULL, 0, NULL);
}
/* Encode the public key */
- n = EC_POINT_point2oct(clnt_ecdh->group,
- clnt_ecdh->pub_key,
+ n = EC_POINT_point2oct(srvr_group,
+ EC_KEY_get0_public_key(clnt_ecdh),
POINT_CONVERSION_UNCOMPRESSED,
encodedPoint, encoded_pt_len, bn_ctx);
BN_CTX_free(bn_ctx);
if (encodedPoint != NULL) OPENSSL_free(encodedPoint);
if (clnt_ecdh != NULL)
- {
- /* group is shared */
- clnt_ecdh->group = NULL;
EC_KEY_free(clnt_ecdh);
- }
EVP_PKEY_free(srvr_pub_pkey);
}
#endif /* !OPENSSL_NO_ECDH */
BN_CTX_free(bn_ctx);
if (encodedPoint != NULL) OPENSSL_free(encodedPoint);
if (clnt_ecdh != NULL)
- {
- /* group is shared */
- clnt_ecdh->group = NULL;
EC_KEY_free(clnt_ecdh);
- }
EVP_PKEY_free(srvr_pub_pkey);
#endif
return(-1);
}
-static int ssl3_send_client_verify(SSL *s)
+int ssl3_send_client_verify(SSL *s)
{
unsigned char *p,*d;
unsigned char data[MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH];
unsigned u=0;
#endif
unsigned long n;
-#ifndef OPENSSL_NO_DSA
+#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
int j;
#endif
if (!ECDSA_sign(pkey->save_type,
&(data[MD5_DIGEST_LENGTH]),
SHA_DIGEST_LENGTH,&(p[2]),
- (unsigned int *)&j,pkey->pkey.eckey))
+ (unsigned int *)&j,pkey->pkey.ec))
{
SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY,
ERR_R_ECDSA_LIB);
return(-1);
}
-static int ssl3_send_client_certificate(SSL *s)
+int ssl3_send_client_certificate(SSL *s)
{
X509 *x509=NULL;
EVP_PKEY *pkey=NULL;
#define has_bits(i,m) (((i)&(m)) == (m))
-static int ssl3_check_cert_and_algorithm(SSL *s)
+int ssl3_check_cert_and_algorithm(SSL *s)
{
int i,idx;
long algs;
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