Note cipher BIO write errors too.

[openssl.git] / crypto / evp / pmeth_lib.c

diff --git a/crypto/evp/pmeth_lib.c b/crypto/evp/pmeth_lib.c
index 72baaa988de33b6fe9880296bc71366e4e91eb30..2e5e93294130e0802a3e0f7ae86a7543cbb4ca56 100644 (file)
--- a/crypto/evp/pmeth_lib.c
+++ b/crypto/evp/pmeth_lib.c
@@ -1,70 +1,21 @@
 /*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 2006.
- */
-/* ====================================================================
- * Copyright (c) 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
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2006-2016 The OpenSSL Project Authors. 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
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include "internal/cryptlib.h"
-#ifndef OPENSSL_NO_ENGINE
-# include <openssl/engine.h>
-#endif
+#include <openssl/engine.h>
 #include <openssl/evp.h>
+#include <openssl/x509v3.h>
 #include "internal/asn1_int.h"
 #include "internal/evp_int.h"
+#include "internal/numbers.h"
 
 typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
 
@@ -84,11 +35,14 @@ static const EVP_PKEY_METHOD *standard_methods[] = {
     &ec_pkey_meth,
 #endif
     &hmac_pkey_meth,
+#ifndef OPENSSL_NO_CMAC
     &cmac_pkey_meth,
+#endif
 #ifndef OPENSSL_NO_DH
     &dhx_pkey_meth,
 #endif
-    &tls1_prf_pkey_meth
+    &tls1_prf_pkey_meth,
+    &hkdf_pkey_meth
 };
 
 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
@@ -172,7 +126,7 @@ static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
     ret->operation = EVP_PKEY_OP_UNDEFINED;
     ret->pkey = pkey;
     if (pkey)
-        CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+        EVP_PKEY_up_ref(pkey);
 
     if (pmeth->init) {
         if (pmeth->init(ret) <= 0) {
@@ -285,12 +239,12 @@ EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
 #endif
 
     if (pctx->pkey)
-        CRYPTO_add(&pctx->pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+        EVP_PKEY_up_ref(pctx->pkey);
 
     rctx->pkey = pctx->pkey;
 
     if (pctx->peerkey)
-        CRYPTO_add(&pctx->peerkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+        EVP_PKEY_up_ref(pctx->peerkey);
 
     rctx->peerkey = pctx->peerkey;
 
@@ -381,6 +335,33 @@ int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
     return ctx->pmeth->ctrl_str(ctx, name, value);
 }
 
+/* Utility functions to send a string of hex string to a ctrl */
+
+int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
+{
+    size_t len;
+
+    len = strlen(str);
+    if (len > INT_MAX)
+        return -1;
+    return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
+}
+
+int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
+{
+    unsigned char *bin;
+    long binlen;
+    int rv = -1;
+
+    bin = OPENSSL_hexstr2buf(hex, &binlen);
+    if (bin == NULL)
+        return 0;
+    if (binlen <= INT_MAX)
+        rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
+    OPENSSL_free(bin);
+    return rv;
+}
+
 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
 {
     return ctx->operation;