-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * 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.
+/*
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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 <errno.h>
#include <openssl/crypto.h>
+#include "bio_lcl.h"
#include "internal/cryptlib.h"
-#include <openssl/bio.h>
-#include <openssl/stack.h>
-BIO *BIO_new(BIO_METHOD *method)
+
+/*
+ * Helper macro for the callback to determine whether an operator expects a
+ * len parameter or not
+ */
+#define HAS_LEN_OPER(o) ((o) == BIO_CB_READ || (o) == BIO_CB_WRITE || \
+ (o) == BIO_CB_GETS)
+
+/*
+ * Helper function to work out whether to call the new style callback or the old
+ * one, and translate between the two.
+ *
+ * This has a long return type for consistency with the old callback. Similarly
+ * for the "long" used for "inret"
+ */
+static long bio_call_callback(BIO *b, int oper, const char *argp, size_t len,
+ int argi, long argl, long inret, size_t *processed)
{
- BIO *ret = OPENSSL_malloc(sizeof(*ret));
+ long ret;
+ int bareoper;
- if (ret == NULL) {
- BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE);
- return (NULL);
+ if (b->callback_ex != NULL)
+ return b->callback_ex(b, oper, argp, len, argi, argl, inret, processed);
+
+ /* Strip off any BIO_CB_RETURN flag */
+ bareoper = oper & ~BIO_CB_RETURN;
+
+ /*
+ * We have an old style callback, so we will have to do nasty casts and
+ * check for overflows.
+ */
+ if (HAS_LEN_OPER(bareoper)) {
+ /* In this case |len| is set, and should be used instead of |argi| */
+ if (len > INT_MAX)
+ return -1;
+
+ argi = (int)len;
+ }
+
+ if (inret && (oper & BIO_CB_RETURN) && bareoper != BIO_CB_CTRL) {
+ if (*processed > INT_MAX)
+ return -1;
+ inret = *processed;
}
- if (!BIO_set(ret, method)) {
- OPENSSL_free(ret);
- ret = NULL;
+
+ ret = b->callback(b, oper, argp, argi, argl, inret);
+
+ if (ret >= 0 && (oper & BIO_CB_RETURN) && bareoper != BIO_CB_CTRL) {
+ *processed = (size_t)ret;
+ ret = 1;
}
- return (ret);
+
+ return ret;
}
-int BIO_set(BIO *bio, BIO_METHOD *method)
+BIO *BIO_new(const BIO_METHOD *method)
{
+ BIO *bio = OPENSSL_zalloc(sizeof(*bio));
+
+ if (bio == NULL) {
+ BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
bio->method = method;
- bio->callback = NULL;
- bio->cb_arg = NULL;
- bio->init = 0;
bio->shutdown = 1;
- bio->flags = 0;
- bio->retry_reason = 0;
- bio->num = 0;
- bio->ptr = NULL;
- bio->prev_bio = NULL;
- bio->next_bio = NULL;
bio->references = 1;
- bio->num_read = 0L;
- bio->num_write = 0L;
- CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
- if (method->create != NULL)
- if (!method->create(bio)) {
- CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
- return (0);
- }
- return (1);
+
+ if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data))
+ goto err;
+
+ bio->lock = CRYPTO_THREAD_lock_new();
+ if (bio->lock == NULL) {
+ BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE);
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
+ goto err;
+ }
+
+ if (method->create != NULL && !method->create(bio)) {
+ BIOerr(BIO_F_BIO_NEW, ERR_R_INIT_FAIL);
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
+ CRYPTO_THREAD_lock_free(bio->lock);
+ goto err;
+ }
+ if (method->create == NULL)
+ bio->init = 1;
+
+ return bio;
+
+err:
+ OPENSSL_free(bio);
+ return NULL;
}
int BIO_free(BIO *a)
{
- int i;
+ int ret;
if (a == NULL)
- return (0);
+ return 0;
- i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_BIO);
-#ifdef REF_PRINT
- REF_PRINT("BIO", a);
-#endif
- if (i > 0)
- return (1);
-#ifdef REF_CHECK
- if (i < 0) {
- fprintf(stderr, "BIO_free, bad reference count\n");
- abort();
- }
-#endif
- if ((a->callback != NULL) &&
- ((i = (int)a->callback(a, BIO_CB_FREE, NULL, 0, 0L, 1L)) <= 0))
- return (i);
+ if (CRYPTO_DOWN_REF(&a->references, &ret, a->lock) <= 0)
+ return 0;
- CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);
+ REF_PRINT_COUNT("BIO", a);
+ if (ret > 0)
+ return 1;
+ REF_ASSERT_ISNT(ret < 0);
+
+ if (a->callback != NULL || a->callback_ex != NULL) {
+ ret = (int)bio_call_callback(a, BIO_CB_FREE, NULL, 0, 0, 0L, 1L, NULL);
+ if (ret <= 0)
+ return ret;
+ }
if ((a->method != NULL) && (a->method->destroy != NULL))
a->method->destroy(a);
+
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);
+
+ CRYPTO_THREAD_lock_free(a->lock);
+
OPENSSL_free(a);
- return (1);
+
+ return 1;
+}
+
+void BIO_set_data(BIO *a, void *ptr)
+{
+ a->ptr = ptr;
+}
+
+void *BIO_get_data(BIO *a)
+{
+ return a->ptr;
+}
+
+void BIO_set_init(BIO *a, int init)
+{
+ a->init = init;
+}
+
+int BIO_get_init(BIO *a)
+{
+ return a->init;
+}
+
+void BIO_set_shutdown(BIO *a, int shut)
+{
+ a->shutdown = shut;
+}
+
+int BIO_get_shutdown(BIO *a)
+{
+ return a->shutdown;
}
void BIO_vfree(BIO *a)
BIO_free(a);
}
+int BIO_up_ref(BIO *a)
+{
+ int i;
+
+ if (CRYPTO_UP_REF(&a->references, &i, a->lock) <= 0)
+ return 0;
+
+ REF_PRINT_COUNT("BIO", a);
+ REF_ASSERT_ISNT(i < 2);
+ return ((i > 1) ? 1 : 0);
+}
+
void BIO_clear_flags(BIO *b, int flags)
{
b->flags &= ~flags;
b->flags |= flags;
}
-long (*BIO_get_callback(const BIO *b)) (struct bio_st *, int, const char *,
- int, long, long) {
+BIO_callback_fn BIO_get_callback(const BIO *b)
+{
return b->callback;
}
-void BIO_set_callback(BIO *b,
- long (*cb) (struct bio_st *, int, const char *, int,
- long, long))
+void BIO_set_callback(BIO *b, BIO_callback_fn cb)
{
b->callback = cb;
}
+BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b)
+{
+ return b->callback_ex;
+}
+
+void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex cb)
+{
+ b->callback_ex = cb;
+}
+
void BIO_set_callback_arg(BIO *b, char *arg)
{
b->cb_arg = arg;
return b->method->type;
}
-int BIO_read(BIO *b, void *out, int outl)
+/*
+ * This is essentially the same as BIO_read_ex() except that it allows
+ * 0 or a negative value to indicate failure (retryable or not) in the return.
+ * This is for compatibility with the old style BIO_read(), where existing code
+ * may make assumptions about the return value that it might get.
+ */
+static int bio_read_intern(BIO *b, void *data, size_t dlen, size_t *readbytes)
{
- int i;
- long (*cb) (BIO *, int, const char *, int, long, long);
+ int ret;
if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL)) {
- BIOerr(BIO_F_BIO_READ, BIO_R_UNSUPPORTED_METHOD);
- return (-2);
+ BIOerr(BIO_F_BIO_READ_INTERN, BIO_R_UNSUPPORTED_METHOD);
+ return -2;
}
- cb = b->callback;
- if ((cb != NULL) &&
- ((i = (int)cb(b, BIO_CB_READ, out, outl, 0L, 1L)) <= 0))
- return (i);
+ if ((b->callback != NULL || b->callback_ex != NULL) &&
+ ((ret = (int)bio_call_callback(b, BIO_CB_READ, data, dlen, 0, 0L, 1L,
+ NULL)) <= 0))
+ return ret;
if (!b->init) {
- BIOerr(BIO_F_BIO_READ, BIO_R_UNINITIALIZED);
- return (-2);
+ BIOerr(BIO_F_BIO_READ_INTERN, BIO_R_UNINITIALIZED);
+ return -2;
}
- i = b->method->bread(b, out, outl);
+ ret = b->method->bread(b, data, dlen, readbytes);
- if (i > 0)
- b->num_read += (uint64_t)i;
+ if (ret > 0)
+ b->num_read += (uint64_t)*readbytes;
- if (cb != NULL)
- i = (int)cb(b, BIO_CB_READ | BIO_CB_RETURN, out, outl, 0L, (long)i);
- return (i);
+ if (b->callback != NULL || b->callback_ex != NULL)
+ ret = (int)bio_call_callback(b, BIO_CB_READ | BIO_CB_RETURN, data,
+ dlen, 0, 0L, ret, readbytes);
+
+ /* Shouldn't happen */
+ if (ret > 0 && *readbytes > dlen) {
+ BIOerr(BIO_F_BIO_READ_INTERN, ERR_R_INTERNAL_ERROR);
+ return -1;
+ }
+
+ return ret;
}
-int BIO_write(BIO *b, const void *in, int inl)
+int BIO_read(BIO *b, void *data, int dlen)
{
- int i;
- long (*cb) (BIO *, int, const char *, int, long, long);
+ size_t readbytes;
+ int ret;
+
+ if (dlen < 0)
+ return 0;
+
+ ret = bio_read_intern(b, data, (size_t)dlen, &readbytes);
+
+ if (ret > 0) {
+ /* *readbytes should always be <= dlen */
+ ret = (int)readbytes;
+ }
+
+ return ret;
+}
+
+int BIO_read_ex(BIO *b, void *data, size_t dlen, size_t *readbytes)
+{
+ int ret;
+
+ ret = bio_read_intern(b, data, dlen, readbytes);
+
+ if (ret > 0)
+ ret = 1;
+ else
+ ret = 0;
+
+ return ret;
+}
+
+static int bio_write_intern(BIO *b, const void *data, size_t dlen,
+ size_t *written)
+{
+ int ret;
if (b == NULL)
- return (0);
+ return 0;
- cb = b->callback;
if ((b->method == NULL) || (b->method->bwrite == NULL)) {
- BIOerr(BIO_F_BIO_WRITE, BIO_R_UNSUPPORTED_METHOD);
- return (-2);
+ BIOerr(BIO_F_BIO_WRITE_INTERN, BIO_R_UNSUPPORTED_METHOD);
+ return -2;
}
- if ((cb != NULL) &&
- ((i = (int)cb(b, BIO_CB_WRITE, in, inl, 0L, 1L)) <= 0))
- return (i);
+ if ((b->callback != NULL || b->callback_ex != NULL) &&
+ ((ret = (int)bio_call_callback(b, BIO_CB_WRITE, data, dlen, 0, 0L, 1L,
+ NULL)) <= 0))
+ return ret;
if (!b->init) {
- BIOerr(BIO_F_BIO_WRITE, BIO_R_UNINITIALIZED);
- return (-2);
+ BIOerr(BIO_F_BIO_WRITE_INTERN, BIO_R_UNINITIALIZED);
+ return -2;
}
- i = b->method->bwrite(b, in, inl);
+ ret = b->method->bwrite(b, data, dlen, written);
+
+ if (ret > 0)
+ b->num_write += (uint64_t)*written;
- if (i > 0)
- b->num_write += (uint64_t)i;
+ if (b->callback != NULL || b->callback_ex != NULL)
+ ret = (int)bio_call_callback(b, BIO_CB_WRITE | BIO_CB_RETURN, data,
+ dlen, 0, 0L, ret, written);
- if (cb != NULL)
- i = (int)cb(b, BIO_CB_WRITE | BIO_CB_RETURN, in, inl, 0L, (long)i);
- return (i);
+ return ret;
}
-int BIO_puts(BIO *b, const char *in)
+int BIO_write(BIO *b, const void *data, int dlen)
{
- int i;
- long (*cb) (BIO *, int, const char *, int, long, long);
+ size_t written;
+ int ret;
+
+ if (dlen < 0)
+ return 0;
+
+ ret = bio_write_intern(b, data, (size_t)dlen, &written);
+
+ if (ret > 0) {
+ /* *written should always be <= dlen */
+ ret = (int)written;
+ }
+
+ return ret;
+}
+
+int BIO_write_ex(BIO *b, const void *data, size_t dlen, size_t *written)
+{
+ int ret;
+
+ ret = bio_write_intern(b, data, dlen, written);
+
+ if (ret > 0)
+ ret = 1;
+ else
+ ret = 0;
+
+ return ret;
+}
+
+int BIO_puts(BIO *b, const char *buf)
+{
+ int ret;
+ size_t written = 0;
if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL)) {
BIOerr(BIO_F_BIO_PUTS, BIO_R_UNSUPPORTED_METHOD);
- return (-2);
+ return -2;
}
- cb = b->callback;
-
- if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_PUTS, in, 0, 0L, 1L)) <= 0))
- return (i);
+ if (b->callback != NULL || b->callback_ex != NULL) {
+ ret = (int)bio_call_callback(b, BIO_CB_PUTS, buf, 0, 0, 0L, 1L, NULL);
+ if (ret <= 0)
+ return ret;
+ }
if (!b->init) {
BIOerr(BIO_F_BIO_PUTS, BIO_R_UNINITIALIZED);
- return (-2);
+ return -2;
+ }
+
+ ret = b->method->bputs(b, buf);
+
+ if (ret > 0) {
+ b->num_write += (uint64_t)ret;
+ written = ret;
+ ret = 1;
}
- i = b->method->bputs(b, in);
+ if (b->callback != NULL || b->callback_ex != NULL)
+ ret = (int)bio_call_callback(b, BIO_CB_PUTS | BIO_CB_RETURN, buf, 0, 0,
+ 0L, ret, &written);
- if (i > 0)
- b->num_write += (uint64_t)i;
+ if (ret > 0) {
+ if (written > INT_MAX) {
+ BIOerr(BIO_F_BIO_PUTS, BIO_R_LENGTH_TOO_LONG);
+ ret = -1;
+ } else {
+ ret = (int)written;
+ }
+ }
- if (cb != NULL)
- i = (int)cb(b, BIO_CB_PUTS | BIO_CB_RETURN, in, 0, 0L, (long)i);
- return (i);
+ return ret;
}
-int BIO_gets(BIO *b, char *in, int inl)
+int BIO_gets(BIO *b, char *buf, int size)
{
- int i;
- long (*cb) (BIO *, int, const char *, int, long, long);
+ int ret;
+ size_t readbytes = 0;
if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL)) {
BIOerr(BIO_F_BIO_GETS, BIO_R_UNSUPPORTED_METHOD);
- return (-2);
+ return -2;
}
- cb = b->callback;
+ if (size < 0) {
+ BIOerr(BIO_F_BIO_GETS, BIO_R_INVALID_ARGUMENT);
+ return 0;
+ }
- if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_GETS, in, inl, 0L, 1L)) <= 0))
- return (i);
+ if (b->callback != NULL || b->callback_ex != NULL) {
+ ret = (int)bio_call_callback(b, BIO_CB_GETS, buf, size, 0, 0L, 1, NULL);
+ if (ret <= 0)
+ return ret;
+ }
if (!b->init) {
BIOerr(BIO_F_BIO_GETS, BIO_R_UNINITIALIZED);
- return (-2);
+ return -2;
+ }
+
+ ret = b->method->bgets(b, buf, size);
+
+ if (ret > 0) {
+ readbytes = ret;
+ ret = 1;
}
- i = b->method->bgets(b, in, inl);
+ if (b->callback != NULL || b->callback_ex != NULL)
+ ret = (int)bio_call_callback(b, BIO_CB_GETS | BIO_CB_RETURN, buf, size,
+ 0, 0L, ret, &readbytes);
+
+ if (ret > 0) {
+ /* Shouldn't happen */
+ if (readbytes > (size_t)size)
+ ret = -1;
+ else
+ ret = (int)readbytes;
+ }
- if (cb != NULL)
- i = (int)cb(b, BIO_CB_GETS | BIO_CB_RETURN, in, inl, 0L, (long)i);
- return (i);
+ return ret;
}
int BIO_indent(BIO *b, int indent, int max)
int i;
i = iarg;
- return (BIO_ctrl(b, cmd, larg, (char *)&i));
+ return BIO_ctrl(b, cmd, larg, (char *)&i);
}
-char *BIO_ptr_ctrl(BIO *b, int cmd, long larg)
+void *BIO_ptr_ctrl(BIO *b, int cmd, long larg)
{
- char *p = NULL;
+ void *p = NULL;
if (BIO_ctrl(b, cmd, larg, (char *)&p) <= 0)
- return (NULL);
+ return NULL;
else
- return (p);
+ return p;
}
long BIO_ctrl(BIO *b, int cmd, long larg, void *parg)
{
long ret;
- long (*cb) (BIO *, int, const char *, int, long, long);
if (b == NULL)
- return (0);
+ return 0;
if ((b->method == NULL) || (b->method->ctrl == NULL)) {
BIOerr(BIO_F_BIO_CTRL, BIO_R_UNSUPPORTED_METHOD);
- return (-2);
+ return -2;
}
- cb = b->callback;
-
- if ((cb != NULL) &&
- ((ret = cb(b, BIO_CB_CTRL, parg, cmd, larg, 1L)) <= 0))
- return (ret);
+ if (b->callback != NULL || b->callback_ex != NULL) {
+ ret = bio_call_callback(b, BIO_CB_CTRL, parg, 0, cmd, larg, 1L, NULL);
+ if (ret <= 0)
+ return ret;
+ }
ret = b->method->ctrl(b, cmd, larg, parg);
- if (cb != NULL)
- ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, parg, cmd, larg, ret);
- return (ret);
+ if (b->callback != NULL || b->callback_ex != NULL)
+ ret = bio_call_callback(b, BIO_CB_CTRL | BIO_CB_RETURN, parg, 0, cmd,
+ larg, ret, NULL);
+
+ return ret;
}
-long BIO_callback_ctrl(BIO *b, int cmd,
- void (*fp) (struct bio_st *, int, const char *, int,
- long, long))
+long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
{
long ret;
- long (*cb) (BIO *, int, const char *, int, long, long);
if (b == NULL)
- return (0);
+ return 0;
- if ((b->method == NULL) || (b->method->callback_ctrl == NULL)) {
+ if ((b->method == NULL) || (b->method->callback_ctrl == NULL)
+ || (cmd != BIO_CTRL_SET_CALLBACK)) {
BIOerr(BIO_F_BIO_CALLBACK_CTRL, BIO_R_UNSUPPORTED_METHOD);
- return (-2);
+ return -2;
}
- cb = b->callback;
-
- if ((cb != NULL) &&
- ((ret = cb(b, BIO_CB_CTRL, (void *)&fp, cmd, 0, 1L)) <= 0))
- return (ret);
+ if (b->callback != NULL || b->callback_ex != NULL) {
+ ret = bio_call_callback(b, BIO_CB_CTRL, (void *)&fp, 0, cmd, 0, 1L,
+ NULL);
+ if (ret <= 0)
+ return ret;
+ }
ret = b->method->callback_ctrl(b, cmd, fp);
- if (cb != NULL)
- ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, (void *)&fp, cmd, 0, ret);
- return (ret);
+ if (b->callback != NULL || b->callback_ex != NULL)
+ ret = bio_call_callback(b, BIO_CB_CTRL | BIO_CB_RETURN, (void *)&fp, 0,
+ cmd, 0, ret, NULL);
+
+ return ret;
}
/*
BIO *lb;
if (b == NULL)
- return (bio);
+ return bio;
lb = b;
while (lb->next_bio != NULL)
lb = lb->next_bio;
bio->prev_bio = lb;
/* called to do internal processing */
BIO_ctrl(b, BIO_CTRL_PUSH, 0, lb);
- return (b);
+ return b;
}
/* Remove the first and return the rest */
BIO *ret;
if (b == NULL)
- return (NULL);
+ return NULL;
ret = b->next_bio;
BIO_ctrl(b, BIO_CTRL_POP, 0, b);
b->next_bio = NULL;
b->prev_bio = NULL;
- return (ret);
+ return ret;
}
BIO *BIO_get_retry_BIO(BIO *bio, int *reason)
}
if (reason != NULL)
*reason = last->retry_reason;
- return (last);
+ return last;
}
int BIO_get_retry_reason(BIO *bio)
{
- return (bio->retry_reason);
+ return bio->retry_reason;
+}
+
+void BIO_set_retry_reason(BIO *bio, int reason)
+{
+ bio->retry_reason = reason;
}
BIO *BIO_find_type(BIO *bio, int type)
if (!mask) {
if (mt & type)
- return (bio);
+ return bio;
} else if (mt == type)
- return (bio);
+ return bio;
}
bio = bio->next_bio;
} while (bio != NULL);
- return (NULL);
+ return NULL;
}
BIO *BIO_next(BIO *b)
return b->next_bio;
}
+void BIO_set_next(BIO *b, BIO *next)
+{
+ b->next_bio = next;
+}
+
void BIO_free_all(BIO *bio)
{
BIO *b;
if ((new_bio = BIO_new(bio->method)) == NULL)
goto err;
new_bio->callback = bio->callback;
+ new_bio->callback_ex = bio->callback_ex;
new_bio->cb_arg = bio->cb_arg;
new_bio->init = bio->init;
new_bio->shutdown = bio->shutdown;
eoc = new_bio;
}
}
- return (ret);
+ return ret;
err:
BIO_free_all(ret);
- return (NULL);
+ return NULL;
}
void BIO_copy_next_retry(BIO *b)
int BIO_set_ex_data(BIO *bio, int idx, void *data)
{
- return (CRYPTO_set_ex_data(&(bio->ex_data), idx, data));
+ return CRYPTO_set_ex_data(&(bio->ex_data), idx, data);
}
void *BIO_get_ex_data(BIO *bio, int idx)
{
- return (CRYPTO_get_ex_data(&(bio->ex_data), idx));
+ return CRYPTO_get_ex_data(&(bio->ex_data), idx);
}
uint64_t BIO_number_read(BIO *bio)
return bio->num_write;
return 0;
}
+
+void bio_free_ex_data(BIO *bio)
+{
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
+}
+
+void bio_cleanup(void)
+{
+#ifndef OPENSSL_NO_SOCK
+ bio_sock_cleanup_int();
+ CRYPTO_THREAD_lock_free(bio_lookup_lock);
+ bio_lookup_lock = NULL;
+#endif
+ CRYPTO_THREAD_lock_free(bio_type_lock);
+ bio_type_lock = NULL;
+}
projects / openssl.git / blobdiff