-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * 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 <openssl/err.h>
#include "ssl_locl.h"
-static int ssl_write(BIO *h, const char *buf, int num);
-static int ssl_read(BIO *h, char *buf, int size);
+static int ssl_write(BIO *h, const char *buf, size_t size, size_t *written);
+static int ssl_read(BIO *b, char *buf, size_t size, size_t *readbytes);
static int ssl_puts(BIO *h, const char *str);
static long ssl_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int ssl_new(BIO *h);
/* re-negotiate every time the total number of bytes is this size */
int num_renegotiates;
unsigned long renegotiate_count;
- unsigned long byte_count;
+ size_t byte_count;
unsigned long renegotiate_timeout;
unsigned long last_time;
} BIO_SSL;
static const BIO_METHOD methods_sslp = {
BIO_TYPE_SSL, "ssl",
ssl_write,
+ NULL,
ssl_read,
+ NULL,
ssl_puts,
NULL, /* ssl_gets, */
ssl_ctrl,
return 1;
}
-static int ssl_read(BIO *b, char *out, int outl)
+static int ssl_read(BIO *b, char *buf, size_t size, size_t *readbytes)
{
int ret = 1;
BIO_SSL *sb;
int retry_reason = 0;
int r = 0;
- if (out == NULL)
- return (0);
+ if (buf == NULL)
+ return 0;
sb = BIO_get_data(b);
ssl = sb->ssl;
BIO_clear_retry_flags(b);
- ret = SSL_read(ssl, out, outl);
+ ret = ssl_read_internal(ssl, buf, size, readbytes);
switch (SSL_get_error(ssl, ret)) {
case SSL_ERROR_NONE:
- if (ret <= 0)
- break;
if (sb->renegotiate_count > 0) {
- sb->byte_count += ret;
+ sb->byte_count += *readbytes;
if (sb->byte_count > sb->renegotiate_count) {
sb->byte_count = 0;
sb->num_renegotiates++;
}
BIO_set_retry_reason(b, retry_reason);
- return (ret);
+
+ return ret;
}
-static int ssl_write(BIO *b, const char *out, int outl)
+static int ssl_write(BIO *b, const char *buf, size_t size, size_t *written)
{
int ret, r = 0;
int retry_reason = 0;
SSL *ssl;
BIO_SSL *bs;
- if (out == NULL)
- return (0);
+ if (buf == NULL)
+ return 0;
bs = BIO_get_data(b);
ssl = bs->ssl;
BIO_clear_retry_flags(b);
- /*
- * ret=SSL_do_handshake(ssl); if (ret > 0)
- */
- ret = SSL_write(ssl, out, outl);
+ ret = ssl_write_internal(ssl, buf, size, written);
switch (SSL_get_error(ssl, ret)) {
case SSL_ERROR_NONE:
- if (ret <= 0)
- break;
if (bs->renegotiate_count > 0) {
- bs->byte_count += ret;
+ bs->byte_count += *written;
if (bs->byte_count > bs->renegotiate_count) {
bs->byte_count = 0;
bs->num_renegotiates++;
}
BIO_set_retry_reason(b, retry_reason);
+
return ret;
}
break;
case BIO_CTRL_PUSH:
if ((next != NULL) && (next != ssl->rbio)) {
+ /*
+ * We are going to pass ownership of next to the SSL object...but
+ * we don't own a reference to pass yet - so up ref
+ */
+ BIO_up_ref(next);
SSL_set_bio(ssl, next, next);
- BIO_up_ref(b);
}
break;
case BIO_CTRL_POP:
/* Only detach if we are the BIO explicitly being popped */
if (b == ptr) {
- /*
- * Shouldn't happen in practice because the rbio and wbio are the
- * same when pushed.
- */
- if (ssl->rbio != ssl->wbio)
- BIO_free_all(ssl->wbio);
- if (next != NULL)
- BIO_free(next);
- ssl->wbio = NULL;
- ssl->rbio = NULL;
+ /* This will clear the reference we obtained during push */
+ SSL_set_bio(ssl, NULL, NULL);
}
break;
case BIO_C_DO_STATE_MACHINE:
ret = BIO_ctrl(ssl->rbio, cmd, num, ptr);
break;
case BIO_CTRL_SET_CALLBACK:
- {
-#if 0 /* FIXME: Should this be used? -- Richard
- * Levitte */
- SSLerr(SSL_F_SSL_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
- ret = -1;
-#else
- ret = 0;
-#endif
- }
+ ret = 0; /* use callback ctrl */
break;
case BIO_CTRL_GET_CALLBACK:
{
return (0);
if (!SSL_copy_session_id(tdata->ssl, (fdata->ssl)))
return 0;
- return (1);
+ return 1;
}
void BIO_ssl_shutdown(BIO *b)
{
- SSL *s;
-
- b = BIO_find_type(b, BIO_TYPE_SSL);
- if (b == NULL)
- return;
-
- s = BIO_get_data(b);
- SSL_shutdown(s);
+ BIO_SSL *bdata;
+
+ for (; b != NULL; b = BIO_next(b)) {
+ if (BIO_method_type(b) != BIO_TYPE_SSL)
+ continue;
+ bdata = BIO_get_data(b);
+ if (bdata != NULL && bdata->ssl != NULL)
+ SSL_shutdown(bdata->ssl);
+ }
}
projects / openssl.git / blobdiff