-/* ====================================================================
- * Copyright (c) 2016 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
- * openssl-core@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 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 "bio_lcl.h"
+#include <internal/thread_once.h>
+
+CRYPTO_RWLOCK *bio_type_lock = NULL;
+static CRYPTO_ONCE bio_type_init = CRYPTO_ONCE_STATIC_INIT;
+
+DEFINE_RUN_ONCE_STATIC(do_bio_type_init)
+{
+ bio_type_lock = CRYPTO_THREAD_lock_new();
+ return bio_type_lock != NULL;
+}
+
+int BIO_get_new_index()
+{
+ static int bio_count = BIO_TYPE_START;
+ int newval;
+
+ if (!RUN_ONCE(&bio_type_init, do_bio_type_init)) {
+ BIOerr(BIO_F_BIO_GET_NEW_INDEX, ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+ if (!CRYPTO_atomic_add(&bio_count, 1, &newval, bio_type_lock))
+ return -1;
+ return newval;
+}
BIO_METHOD *BIO_meth_new(int type, const char *name)
{
}
int (*BIO_meth_get_write(BIO_METHOD *biom)) (BIO *, const char *, int)
+{
+ return biom->bwrite_old;
+}
+
+int (*BIO_meth_get_write_ex(BIO_METHOD *biom)) (BIO *, const char *, size_t,
+ size_t *)
{
return biom->bwrite;
}
+/* Conversion for old style bwrite to new style */
+int bwrite_conv(BIO *bio, const char *in, size_t inl, size_t *written)
+{
+ int ret;
+
+ if (inl > INT_MAX)
+ return 0;
+
+ ret = bio->method->bwrite_old(bio, in, (int)inl);
+
+ if (ret <= 0) {
+ *written = 0;
+ return ret;
+ }
+
+ *written = (size_t)ret;
+
+ return 1;
+}
+
int BIO_meth_set_write(BIO_METHOD *biom,
- int (*write) (BIO *, const char *, int))
+ int (*bwrite) (BIO *, const char *, int))
{
- biom->bwrite = write;
+ biom->bwrite_old = bwrite;
+ biom->bwrite = bwrite_conv;
+ return 1;
+}
+
+int BIO_meth_set_write_ex(BIO_METHOD *biom,
+ int (*bwrite) (BIO *, const char *, size_t, size_t *))
+{
+ biom->bwrite_old = NULL;
+ biom->bwrite = bwrite;
return 1;
}
int (*BIO_meth_get_read(BIO_METHOD *biom)) (BIO *, char *, int)
+{
+ return biom->bread_old;
+}
+
+int (*BIO_meth_get_read_ex(BIO_METHOD *biom)) (BIO *, char *, size_t, size_t *)
{
return biom->bread;
}
+/* Conversion for old style bread to new style */
+int bread_conv(BIO *bio, char *out, size_t outl, size_t *read)
+{
+ int ret;
+
+ if (outl > INT_MAX)
+ outl = INT_MAX;
+
+ ret = bio->method->bread_old(bio, out, (int)outl);
+
+ if (ret <= 0) {
+ *read = 0;
+ return ret;
+ }
+
+ *read = (size_t)ret;
+
+ return 1;
+}
+
int BIO_meth_set_read(BIO_METHOD *biom,
- int (*read) (BIO *, char *, int))
+ int (*bread) (BIO *, char *, int))
+{
+ biom->bread_old = bread;
+ biom->bread = bread_conv;
+ return 1;
+}
+
+int BIO_meth_set_read_ex(BIO_METHOD *biom,
+ int (*bread) (BIO *, char *, size_t, size_t *))
{
- biom->bread = read;
+ biom->bread_old = NULL;
+ biom->bread = bread;
return 1;
}
}
int BIO_meth_set_puts(BIO_METHOD *biom,
- int (*puts) (BIO *, const char *))
+ int (*bputs) (BIO *, const char *))
{
- biom->bputs = puts;
+ biom->bputs = bputs;
return 1;
}
}
int BIO_meth_set_gets(BIO_METHOD *biom,
- int (*gets) (BIO *, char *, int))
+ int (*bgets) (BIO *, char *, int))
{
- biom->bgets = gets;
+ biom->bgets = bgets;
return 1;
}
projects / openssl.git / blobdiff