SHA-1 for x86_64.
[openssl.git] / ssl / ssl_lib.c
index 7eec7f69d01894dd12acf8b70eca51a0bd4e1a61..091195f79040b9f1698f6badb04fdfbb6f8f5d51 100644 (file)
  * 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>
@@ -326,6 +352,11 @@ SSL *SSL_new(SSL_CTX *ctx)
 
        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)
@@ -499,6 +530,10 @@ void SSL_free(SSL *s)
        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)
@@ -1271,7 +1306,11 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
                 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;
                }
@@ -1500,6 +1539,11 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
 #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:
@@ -1571,6 +1615,11 @@ void SSL_CTX_free(SSL_CTX *a)
 #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);
        }
 
@@ -1763,6 +1812,12 @@ void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
                emask|=SSL_kECDHE;
                }
 #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;
@@ -2634,6 +2689,67 @@ void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
        }
 #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);
+       }
+#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))
        {