* 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.
+ */
#ifdef REF_CHECK
# include <assert.h>
CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
s->ctx=ctx;
+#ifndef OPENSSL_NO_TLSEXT
+ CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
+ s->initial_ctx=ctx;
+#endif
s->verify_result=X509_V_OK;
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
+#ifndef OPENSSL_NO_PSK
+ s->psk_client_callback=ctx->psk_client_callback;
+ s->psk_server_callback=ctx->psk_server_callback;
+#endif
+
return(s);
err:
if (s != NULL)
/* Free up if allocated */
if (s->ctx) SSL_CTX_free(s->ctx);
+#ifndef OPENSSL_NO_TLSEXT
+ if (s->initial_ctx) SSL_CTX_free(s->initial_ctx);
+#ifndef OPENSSL_NO_EC
+ if (s->tlsext_ecpointformatlist) OPENSSL_free(s->tlsext_ecpointformatlist);
+ if (s->tlsext_ellipticcurvelist) OPENSSL_free(s->tlsext_ellipticcurvelist);
+#endif /* OPENSSL_NO_EC */
+#endif
if (s->client_CA != NULL)
sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
c=sk_SSL_CIPHER_value(sk,i);
for (cp=c->name; *cp; )
{
- if (len-- == 0)
+ if (len-- <= 0)
{
*p='\0';
return(buf);
if ((c->algorithms & SSL_KRB5) && nokrb5)
continue;
#endif /* OPENSSL_NO_KRB5 */
-
+#ifndef OPENSSL_NO_PSK
+ /* with PSK there must be client callback set */
+ if ((c->algorithms & SSL_PSK) && s->psk_client_callback == NULL)
+ continue;
+#endif /* OPENSSL_NO_PSK */
j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
p+=j;
}
{
if (type != TLSEXT_NAMETYPE_host_name)
return NULL;
- /* XXX cf. SSL_CTRL_GET_TLSEXT_HOSTNAME case in ssl3_ctrl (s3_lib.c) */
- return s->session /*&&s->session->tlsext_hostname*/ ?
+
+ return s->session && !s->tlsext_hostname ?
s->session->tlsext_hostname :
s->tlsext_hostname;
}
int SSL_get_servername_type(const SSL *s)
{
- if (s->session &&s->session->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname)
+ if (s->session && (!s->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname))
return TLSEXT_NAMETYPE_host_name;
return -1;
}
#ifndef OPENSSL_NO_TLSEXT
ret->tlsext_servername_callback = 0;
ret->tlsext_servername_arg = NULL;
+#endif
+#ifndef OPENSSL_NO_PSK
+ ret->psk_identity_hint=NULL;
+ ret->psk_client_callback=NULL;
+ ret->psk_server_callback=NULL;
#endif
return(ret);
err:
#else
a->comp_methods = NULL;
#endif
+
+#ifndef OPENSSL_NO_PSK
+ if (a->psk_identity_hint)
+ OPENSSL_free(a->psk_identity_hint);
+#endif
OPENSSL_free(a);
}
emask=0;
#ifdef CIPHER_DEBUG
- printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
- rsa_tmp,rsa_tmp_export,dh_tmp,
+ printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
+ rsa_tmp,rsa_tmp_export,dh_tmp,ecdh_tmp,
rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
#endif
#ifndef OPENSSL_NO_ECDH
if (ecdh_ok)
{
- if ((signature_nid == NID_md5WithRSAEncryption) ||
- (signature_nid == NID_md4WithRSAEncryption) ||
- (signature_nid == NID_md2WithRSAEncryption))
+ const char *sig = OBJ_nid2ln(signature_nid);
+ if (sig == NULL)
{
- mask|=SSL_kECDH|SSL_aRSA;
+ ERR_clear_error();
+ sig = "unknown";
+ }
+
+ if (strstr(sig, "WithRSA"))
+ {
+ mask|=SSL_kECDHr|SSL_aECDH;
if (ecc_pkey_size <= 163)
- emask|=SSL_kECDH|SSL_aRSA;
+ emask|=SSL_kECDHr|SSL_aECDH;
}
+
if (signature_nid == NID_ecdsa_with_SHA1)
{
- mask|=SSL_kECDH|SSL_aECDSA;
+ mask|=SSL_kECDHe|SSL_aECDH;
if (ecc_pkey_size <= 163)
- emask|=SSL_kECDH|SSL_aECDSA;
+ emask|=SSL_kECDHe|SSL_aECDH;
}
}
#endif
#ifndef OPENSSL_NO_ECDH
if (have_ecdh_tmp)
{
- mask|=SSL_kECDHE;
- emask|=SSL_kECDHE;
+ mask|=SSL_kEECDH;
+ emask|=SSL_kEECDH;
}
#endif
+
+#ifndef OPENSSL_NO_PSK
+ mask |= SSL_kPSK | SSL_aPSK;
+ emask |= SSL_kPSK | SSL_aPSK;
+#endif
+
c->mask=mask;
c->export_mask=emask;
c->valid=1;
#define ku_reject(x, usage) \
(((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
-int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs)
+int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs)
{
unsigned long alg = cs->algorithms;
EVP_PKEY *pkey = NULL;
X509_check_purpose(x, -1, 0);
if ((x->sig_alg) && (x->sig_alg->algorithm))
signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
- if (alg & SSL_kECDH)
+ if (alg & SSL_kECDHe || alg & SSL_kECDHr)
{
/* key usage, if present, must allow key agreement */
if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
{
+ SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT);
return 0;
}
- if (alg & SSL_aECDSA)
+ if (alg & SSL_kECDHe)
{
/* signature alg must be ECDSA */
if (signature_nid != NID_ecdsa_with_SHA1)
{
+ SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE);
return 0;
}
}
- if (alg & SSL_aRSA)
+ if (alg & SSL_kECDHr)
{
/* signature alg must be RSA */
- if ((signature_nid != NID_md5WithRSAEncryption) &&
- (signature_nid != NID_md4WithRSAEncryption) &&
- (signature_nid != NID_md2WithRSAEncryption))
+
+ const char *sig = OBJ_nid2ln(signature_nid);
+ if (sig == NULL)
+ {
+ ERR_clear_error();
+ sig = "unknown";
+ }
+ if (strstr(sig, "WithRSA") == NULL)
{
+ SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE);
return 0;
}
}
}
- else if (alg & SSL_aECDSA)
+ if (alg & SSL_aECDSA)
{
/* key usage, if present, must allow signing */
if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
{
+ SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
return 0;
}
}
if (kalg & SSL_kECDH)
{
- /* we don't need to look at SSL_kECDHE
+ /* we don't need to look at SSL_kEECDH
* since no certificate is needed for
* anon ECDH and for authenticated
- * ECDHE, the check for the auth
+ * EECDH, the check for the auth
* algorithm will set i correctly
* NOTE: For ECDH-RSA, we need an ECC
- * not an RSA cert but for ECDHE-RSA
+ * not an RSA cert but for EECDH-RSA
* we need an RSA cert. Placing the
* checks for SSL_kECDH before RSA
* checks ensures the correct cert is chosen.
* and it would be rather hard to do anyway :-) */
if (s->session->session_id_length == 0) return;
- i=s->ctx->session_cache_mode;
+ i=s->session_ctx->session_cache_mode;
if ((i & mode) && (!s->hit)
&& ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
- || SSL_CTX_add_session(s->ctx,s->session))
- && (s->ctx->new_session_cb != NULL))
+ || SSL_CTX_add_session(s->session_ctx,s->session))
+ && (s->session_ctx->new_session_cb != NULL))
{
CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
- if (!s->ctx->new_session_cb(s,s->session))
+ if (!s->session_ctx->new_session_cb(s,s->session))
SSL_SESSION_free(s->session);
}
((i & mode) == mode))
{
if ( (((mode & SSL_SESS_CACHE_CLIENT)
- ?s->ctx->stats.sess_connect_good
- :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
+ ?s->session_ctx->stats.sess_connect_good
+ :s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff)
{
- SSL_CTX_flush_sessions(s->ctx,(unsigned long)time(NULL));
+ SSL_CTX_flush_sessions(s->session_ctx,(unsigned long)time(NULL));
}
}
}
SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
{
+ if (ssl->ctx == ctx)
+ return ssl->ctx;
+ if (ctx == NULL)
+ ctx = ssl->initial_ctx;
if (ssl->cert != NULL)
ssl_cert_free(ssl->cert);
ssl->cert = ssl_cert_dup(ctx->cert);
#endif
void SSL_set_info_callback(SSL *ssl,
- void (*cb)(const SSL *ssl,int type,int val))
+ void (*cb)(const SSL *ssl,int type,int val))
{
ssl->info_callback=cb;
}
/* One compiler (Diab DCC) doesn't like argument names in returned
function pointer. */
-void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
+void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
{
return ssl->info_callback;
}
}
#endif
+#ifndef OPENSSL_NO_PSK
+int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint)
+ {
+ if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
+ {
+ SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
+ return 0;
+ }
+ if (ctx->psk_identity_hint != NULL)
+ OPENSSL_free(ctx->psk_identity_hint);
+ if (identity_hint != NULL)
+ {
+ ctx->psk_identity_hint = BUF_strdup(identity_hint);
+ if (ctx->psk_identity_hint == NULL)
+ return 0;
+ }
+ else
+ ctx->psk_identity_hint = NULL;
+ return 1;
+ }
+
+int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint)
+ {
+ if (s == NULL)
+ return 0;
+
+ if (s->session == NULL)
+ return 1; /* session not created yet, ignored */
+
+ if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
+ {
+ SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
+ return 0;
+ }
+ if (s->session->psk_identity_hint != NULL)
+ OPENSSL_free(s->session->psk_identity_hint);
+ if (identity_hint != NULL)
+ {
+ s->session->psk_identity_hint = BUF_strdup(identity_hint);
+ if (s->session->psk_identity_hint == NULL)
+ return 0;
+ }
+ else
+ s->session->psk_identity_hint = NULL;
+ return 1;
+ }
+
+const char *SSL_get_psk_identity_hint(const SSL *s)
+ {
+ if (s == NULL || s->session == NULL)
+ return NULL;
+ return(s->session->psk_identity_hint);
+ }
+
+const char *SSL_get_psk_identity(const SSL *s)
+ {
+ if (s == NULL || s->session == NULL)
+ return NULL;
+ return(s->session->psk_identity);
+ }
+
+void SSL_set_psk_client_callback(SSL *s,
+ unsigned int (*cb)(SSL *ssl, const char *hint,
+ char *identity, unsigned int max_identity_len, unsigned char *psk,
+ unsigned int max_psk_len))
+ {
+ s->psk_client_callback = cb;
+ }
+
+void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx,
+ unsigned int (*cb)(SSL *ssl, const char *hint,
+ char *identity, unsigned int max_identity_len, unsigned char *psk,
+ unsigned int max_psk_len))
+ {
+ ctx->psk_client_callback = cb;
+ }
+
+void SSL_set_psk_server_callback(SSL *s,
+ unsigned int (*cb)(SSL *ssl, const char *identity,
+ unsigned char *psk, unsigned int max_psk_len))
+ {
+ s->psk_server_callback = cb;
+ }
+
+void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx,
+ unsigned int (*cb)(SSL *ssl, const char *identity,
+ unsigned char *psk, unsigned int max_psk_len))
+ {
+ ctx->psk_server_callback = cb;
+ }
+#endif
void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
{