-/* crypto/bio/bio_lib.c */
-/* 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 <errno.h>
-#include "crypto.h"
-#include "cryptlib.h"
-#include "bio.h"
-#include "stack.h"
-
-static STACK *bio_meth=NULL;
-static int bio_meth_num=0;
-
-BIO *BIO_new(method)
-BIO_METHOD *method;
- {
- BIO *ret=NULL;
-
- ret=(BIO *)Malloc(sizeof(BIO));
- if (ret == NULL)
- {
- BIOerr(BIO_F_BIO_NEW,ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- if (!BIO_set(ret,method))
- {
- Free(ret);
- ret=NULL;
- }
- return(ret);
- }
-
-int BIO_set(bio,method)
-BIO *bio;
-BIO_METHOD *method;
- {
- 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(bio_meth,(char *)bio,&bio->ex_data);
- if (method->create != NULL)
- if (!method->create(bio))
- return(0);
- return(1);
- }
-
-int BIO_free(a)
-BIO *a;
- {
- int ret=0,i;
-
- if (a == NULL) 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);
-
- CRYPTO_free_ex_data(bio_meth,(char *)a,&a->ex_data);
-
- if ((a->method == NULL) || (a->method->destroy == NULL)) return(1);
- ret=a->method->destroy(a);
- Free(a);
- return(1);
- }
-
-int BIO_read(b,out,outl)
-BIO *b;
-char *out;
-int outl;
- {
- int i;
- long (*cb)();
-
- if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL))
- {
- BIOerr(BIO_F_BIO_READ,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->init)
- {
- BIOerr(BIO_F_BIO_READ,BIO_R_UNINITALISED);
- return(-2);
- }
-
- i=b->method->bread(b,out,outl);
-
- if (i > 0) b->num_read+=(unsigned long)i;
-
- if (cb != NULL)
- i=(int)cb(b,BIO_CB_READ|BIO_CB_RETURN,out,outl,
- 0L,(long)i);
- return(i);
- }
-
-int BIO_write(b,in,inl)
-BIO *b;
-const char *in;
-int inl;
- {
- int i;
- long (*cb)();
-
- if (b == NULL)
- return(0);
-
- cb=b->callback;
- if ((b->method == NULL) || (b->method->bwrite == NULL))
- {
- BIOerr(BIO_F_BIO_WRITE,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->init)
- {
- BIOerr(BIO_F_BIO_WRITE,BIO_R_UNINITALISED);
- return(-2);
- }
-
- i=b->method->bwrite(b,in,inl);
-
- if (i > 0) b->num_write+=(unsigned long)i;
-
- /* This is evil and not thread safe. If the BIO has been freed,
- * we must not call the callback. The only way to be able to
- * determine this is the reference count which is now invalid since
- * the memory has been free()ed.
- */
- if (b->references <= 0) abort();
- if (cb != NULL) /* && (b->references >= 1)) */
- i=(int)cb(b,BIO_CB_WRITE|BIO_CB_RETURN,in,inl,
- 0L,(long)i);
- return(i);
- }
-
-int BIO_puts(b,in)
-BIO *b;
-const char *in;
- {
- int i;
- long (*cb)();
-
- if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL))
- {
- BIOerr(BIO_F_BIO_PUTS,BIO_R_UNSUPPORTED_METHOD);
- return(-2);
- }
-
- cb=b->callback;
-
- if ((cb != NULL) &&
- ((i=(int)cb(b,BIO_CB_PUTS,in,0,0L,1L)) <= 0))
- return(i);
-
- if (!b->init)
- {
- BIOerr(BIO_F_BIO_PUTS,BIO_R_UNINITALISED);
- return(-2);
- }
-
- i=b->method->bputs(b,in);
-
- if (cb != NULL)
- i=(int)cb(b,BIO_CB_PUTS|BIO_CB_RETURN,in,0,
- 0L,(long)i);
- return(i);
- }
-
-int BIO_gets(b,in,inl)
-BIO *b;
-char *in;
-int inl;
- {
- int i;
- long (*cb)();
-
- if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL))
- {
- BIOerr(BIO_F_BIO_GETS,BIO_R_UNSUPPORTED_METHOD);
- return(-2);
- }
-
- cb=b->callback;
-
- if ((cb != NULL) &&
- ((i=(int)cb(b,BIO_CB_GETS,in,inl,0L,1L)) <= 0))
- return(i);
-
- if (!b->init)
- {
- BIOerr(BIO_F_BIO_GETS,BIO_R_UNINITALISED);
- return(-2);
- }
-
- i=b->method->bgets(b,in,inl);
-
- if (cb != NULL)
- i=(int)cb(b,BIO_CB_GETS|BIO_CB_RETURN,in,inl,
- 0L,(long)i);
- return(i);
- }
-
-long BIO_int_ctrl(b,cmd,larg,iarg)
-BIO *b;
-int cmd;
-long larg;
-int iarg;
- {
- int i;
-
- i=iarg;
- return(BIO_ctrl(b,cmd,larg,(char *)&i));
- }
-
-char *BIO_ptr_ctrl(b,cmd,larg)
-BIO *b;
-int cmd;
-long larg;
- {
- char *p=NULL;
-
- if (BIO_ctrl(b,cmd,larg,(char *)&p) <= 0)
- return(NULL);
- else
- return(p);
- }
-
-long BIO_ctrl(b,cmd,larg,parg)
-BIO *b;
-int cmd;
-long larg;
-char *parg;
- {
- long ret;
- long (*cb)();
-
- if (b == NULL) return(0);
-
- if ((b->method == NULL) || (b->method->ctrl == NULL))
- {
- BIOerr(BIO_F_BIO_CTRL,BIO_R_UNSUPPORTED_METHOD);
- return(-2);
- }
-
- cb=b->callback;
-
- if ((cb != NULL) &&
- ((ret=cb(b,BIO_CB_CTRL,parg,cmd,larg,1L)) <= 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);
- }
+#include <openssl/crypto.h>
+#include "bio_lcl.h"
+#include "internal/cryptlib.h"
+
+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->shutdown = 1;
+ bio->references = 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;
+ }
+
+ return bio;
+
+err:
+ OPENSSL_free(bio);
+ return NULL;
+}
+
+int BIO_free(BIO *a)
+{
+ int i;
+
+ if (a == NULL)
+ return 0;
+
+ if (CRYPTO_atomic_add(&a->references, -1, &i, a->lock) <= 0)
+ return 0;
+
+ REF_PRINT_COUNT("BIO", a);
+ if (i > 0)
+ return 1;
+ REF_ASSERT_ISNT(i < 0);
+ if ((a->callback != NULL) &&
+ ((i = (int)a->callback(a, BIO_CB_FREE, NULL, 0, 0L, 1L)) <= 0))
+ return i;
+
+ 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;
+}
+
+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_atomic_add(&a->references, 1, &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;
+}
+
+int BIO_test_flags(const BIO *b, int flags)
+{
+ return (b->flags & flags);
+}
+
+void BIO_set_flags(BIO *b, int flags)
+{
+ b->flags |= flags;
+}
+
+long (*BIO_get_callback(const BIO *b)) (struct bio_st *, int, const char *,
+ int, long, long) {
+ return b->callback;
+}
+
+void BIO_set_callback(BIO *b,
+ long (*cb) (struct bio_st *, int, const char *, int,
+ long, long))
+{
+ b->callback = cb;
+}
+
+void BIO_set_callback_arg(BIO *b, char *arg)
+{
+ b->cb_arg = arg;
+}
+
+char *BIO_get_callback_arg(const BIO *b)
+{
+ return b->cb_arg;
+}
+
+const char *BIO_method_name(const BIO *b)
+{
+ return b->method->name;
+}
+
+int BIO_method_type(const BIO *b)
+{
+ return b->method->type;
+}
+
+int BIO_read(BIO *b, void *out, int outl)
+{
+ int i;
+ long (*cb) (BIO *, int, const char *, int, long, long);
+
+ if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL)) {
+ BIOerr(BIO_F_BIO_READ, 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->init) {
+ BIOerr(BIO_F_BIO_READ, BIO_R_UNINITIALIZED);
+ return (-2);
+ }
+
+ i = b->method->bread(b, out, outl);
+
+ if (i > 0)
+ b->num_read += (uint64_t)i;
+
+ if (cb != NULL)
+ i = (int)cb(b, BIO_CB_READ | BIO_CB_RETURN, out, outl, 0L, (long)i);
+ return (i);
+}
+
+int BIO_write(BIO *b, const void *in, int inl)
+{
+ int i;
+ long (*cb) (BIO *, int, const char *, int, long, long);
+
+ if (b == NULL)
+ return (0);
+
+ cb = b->callback;
+ if ((b->method == NULL) || (b->method->bwrite == NULL)) {
+ BIOerr(BIO_F_BIO_WRITE, 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->init) {
+ BIOerr(BIO_F_BIO_WRITE, BIO_R_UNINITIALIZED);
+ return (-2);
+ }
+
+ i = b->method->bwrite(b, in, inl);
+
+ if (i > 0)
+ b->num_write += (uint64_t)i;
+
+ if (cb != NULL)
+ i = (int)cb(b, BIO_CB_WRITE | BIO_CB_RETURN, in, inl, 0L, (long)i);
+ return (i);
+}
+
+int BIO_puts(BIO *b, const char *in)
+{
+ int i;
+ long (*cb) (BIO *, int, const char *, int, long, long);
+
+ if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL)) {
+ BIOerr(BIO_F_BIO_PUTS, BIO_R_UNSUPPORTED_METHOD);
+ return (-2);
+ }
+
+ cb = b->callback;
+
+ if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_PUTS, in, 0, 0L, 1L)) <= 0))
+ return (i);
+
+ if (!b->init) {
+ BIOerr(BIO_F_BIO_PUTS, BIO_R_UNINITIALIZED);
+ return (-2);
+ }
+
+ i = b->method->bputs(b, in);
+
+ if (i > 0)
+ b->num_write += (uint64_t)i;
+
+ if (cb != NULL)
+ i = (int)cb(b, BIO_CB_PUTS | BIO_CB_RETURN, in, 0, 0L, (long)i);
+ return (i);
+}
+
+int BIO_gets(BIO *b, char *in, int inl)
+{
+ int i;
+ long (*cb) (BIO *, int, const char *, int, long, long);
+
+ if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL)) {
+ BIOerr(BIO_F_BIO_GETS, BIO_R_UNSUPPORTED_METHOD);
+ return (-2);
+ }
+
+ cb = b->callback;
+
+ if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_GETS, in, inl, 0L, 1L)) <= 0))
+ return (i);
+
+ if (!b->init) {
+ BIOerr(BIO_F_BIO_GETS, BIO_R_UNINITIALIZED);
+ return (-2);
+ }
+
+ i = b->method->bgets(b, in, inl);
+
+ if (cb != NULL)
+ i = (int)cb(b, BIO_CB_GETS | BIO_CB_RETURN, in, inl, 0L, (long)i);
+ return (i);
+}
+
+int BIO_indent(BIO *b, int indent, int max)
+{
+ if (indent < 0)
+ indent = 0;
+ if (indent > max)
+ indent = max;
+ while (indent--)
+ if (BIO_puts(b, " ") != 1)
+ return 0;
+ return 1;
+}
+
+long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg)
+{
+ int i;
+
+ i = iarg;
+ return (BIO_ctrl(b, cmd, larg, (char *)&i));
+}
+
+void *BIO_ptr_ctrl(BIO *b, int cmd, long larg)
+{
+ void *p = NULL;
+
+ if (BIO_ctrl(b, cmd, larg, (char *)&p) <= 0)
+ return (NULL);
+ else
+ 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);
+
+ if ((b->method == NULL) || (b->method->ctrl == NULL)) {
+ BIOerr(BIO_F_BIO_CTRL, BIO_R_UNSUPPORTED_METHOD);
+ return (-2);
+ }
+
+ cb = b->callback;
+
+ if ((cb != NULL) &&
+ ((ret = cb(b, BIO_CB_CTRL, parg, cmd, larg, 1L)) <= 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);
+}
+
+long BIO_callback_ctrl(BIO *b, int cmd,
+ void (*fp) (struct bio_st *, int, const char *, int,
+ long, long))
+{
+ long ret;
+ long (*cb) (BIO *, int, const char *, int, long, long);
+
+ if (b == NULL)
+ return (0);
+
+ if ((b->method == NULL) || (b->method->callback_ctrl == NULL)) {
+ BIOerr(BIO_F_BIO_CALLBACK_CTRL, BIO_R_UNSUPPORTED_METHOD);
+ return (-2);
+ }
+
+ cb = b->callback;
+
+ if ((cb != NULL) &&
+ ((ret = cb(b, BIO_CB_CTRL, (void *)&fp, cmd, 0, 1L)) <= 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);
+}
+
+/*
+ * It is unfortunate to duplicate in functions what the BIO_(w)pending macros
+ * do; but those macros have inappropriate return type, and for interfacing
+ * from other programming languages, C macros aren't much of a help anyway.
+ */
+size_t BIO_ctrl_pending(BIO *bio)
+{
+ return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL);
+}
+
+size_t BIO_ctrl_wpending(BIO *bio)
+{
+ return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL);
+}
/* put the 'bio' on the end of b's list of operators */
-BIO *BIO_push(b,bio)
-BIO *b,*bio;
- {
- BIO *lb;
-
- if (b == NULL) return(bio);
- lb=b;
- while (lb->next_bio != NULL)
- lb=lb->next_bio;
- lb->next_bio=bio;
- if (bio != NULL)
- bio->prev_bio=lb;
- /* called to do internal processing */
- BIO_ctrl(b,BIO_CTRL_PUSH,0,NULL);
- return(b);
- }
+BIO *BIO_push(BIO *b, BIO *bio)
+{
+ BIO *lb;
+
+ if (b == NULL)
+ return (bio);
+ lb = b;
+ while (lb->next_bio != NULL)
+ lb = lb->next_bio;
+ lb->next_bio = bio;
+ if (bio != NULL)
+ bio->prev_bio = lb;
+ /* called to do internal processing */
+ BIO_ctrl(b, BIO_CTRL_PUSH, 0, lb);
+ return (b);
+}
/* Remove the first and return the rest */
-BIO *BIO_pop(b)
-BIO *b;
- {
- BIO *ret;
-
- if (b == NULL) return(NULL);
- ret=b->next_bio;
-
- if (b->prev_bio != NULL)
- b->prev_bio->next_bio=b->next_bio;
- if (b->next_bio != NULL)
- b->next_bio->prev_bio=b->prev_bio;
-
- b->next_bio=NULL;
- b->prev_bio=NULL;
- BIO_ctrl(b,BIO_CTRL_POP,0,NULL);
- return(ret);
- }
-
-BIO *BIO_get_retry_BIO(bio,reason)
-BIO *bio;
-int *reason;
- {
- BIO *b,*last;
-
- b=last=bio;
- for (;;)
- {
- if (!BIO_should_retry(b)) break;
- last=b;
- b=b->next_bio;
- if (b == NULL) break;
- }
- if (reason != NULL) *reason=last->retry_reason;
- return(last);
- }
-
-int BIO_get_retry_reason(bio)
-BIO *bio;
- {
- return(bio->retry_reason);
- }
-
-BIO *BIO_find_type(bio,type)
-BIO *bio;
-int type;
- {
- int mt,mask;
-
- mask=type&0xff;
- do {
- if (bio->method != NULL)
- {
- mt=bio->method->type;
-
- if (!mask)
- {
- if (mt & type) return(bio);
- }
- else if (mt == type)
- return(bio);
- }
- bio=bio->next_bio;
- } while (bio != NULL);
- return(NULL);
- }
-
-void BIO_free_all(bio)
-BIO *bio;
- {
- BIO *b;
- int ref;
-
- while (bio != NULL)
- {
- b=bio;
- ref=b->references;
- bio=bio->next_bio;
- BIO_free(b);
- /* Since ref count > 1, don't free anyone else. */
- if (ref > 1) break;
- }
- }
-
-BIO *BIO_dup_chain(in)
-BIO *in;
- {
- BIO *ret=NULL,*eoc=NULL,*bio,*new;
-
- for (bio=in; bio != NULL; bio=bio->next_bio)
- {
- if ((new=BIO_new(bio->method)) == NULL) goto err;
- new->callback=bio->callback;
- new->cb_arg=bio->cb_arg;
- new->init=bio->init;
- new->shutdown=bio->shutdown;
- new->flags=bio->flags;
-
- /* This will let SSL_s_sock() work with stdin/stdout */
- new->num=bio->num;
-
- if (!BIO_dup_state(bio,(char *)new))
- {
- BIO_free(new);
- goto err;
- }
-
- /* copy app data */
- if (!CRYPTO_dup_ex_data(bio_meth,&new->ex_data,&bio->ex_data))
- goto err;
-
- if (ret == NULL)
- {
- eoc=new;
- ret=eoc;
- }
- else
- {
- BIO_push(eoc,new);
- eoc=new;
- }
- }
- return(ret);
-err:
- if (ret != NULL)
- BIO_free(ret);
- return(NULL);
- }
-
-void BIO_copy_next_retry(b)
-BIO *b;
- {
- BIO_set_flags(b,BIO_get_retry_flags(b->next_bio));
- b->retry_reason=b->next_bio->retry_reason;
- }
-
-int BIO_get_ex_new_index(argl,argp,new_func,dup_func,free_func)
-long argl;
-char *argp;
-int (*new_func)();
-int (*dup_func)();
-void (*free_func)();
- {
- bio_meth_num++;
- return(CRYPTO_get_ex_new_index(bio_meth_num-1,&bio_meth,
- argl,argp,new_func,dup_func,free_func));
+BIO *BIO_pop(BIO *b)
+{
+ BIO *ret;
+
+ if (b == NULL)
+ return (NULL);
+ ret = b->next_bio;
+
+ BIO_ctrl(b, BIO_CTRL_POP, 0, b);
+
+ if (b->prev_bio != NULL)
+ b->prev_bio->next_bio = b->next_bio;
+ if (b->next_bio != NULL)
+ b->next_bio->prev_bio = b->prev_bio;
+
+ b->next_bio = NULL;
+ b->prev_bio = NULL;
+ return (ret);
+}
+
+BIO *BIO_get_retry_BIO(BIO *bio, int *reason)
+{
+ BIO *b, *last;
+
+ b = last = bio;
+ for (;;) {
+ if (!BIO_should_retry(b))
+ break;
+ last = b;
+ b = b->next_bio;
+ if (b == NULL)
+ break;
+ }
+ if (reason != NULL)
+ *reason = last->retry_reason;
+ return (last);
+}
+
+int BIO_get_retry_reason(BIO *bio)
+{
+ 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)
+{
+ int mt, mask;
+
+ if (bio == NULL)
+ return NULL;
+ mask = type & 0xff;
+ do {
+ if (bio->method != NULL) {
+ mt = bio->method->type;
+
+ if (!mask) {
+ if (mt & type)
+ return (bio);
+ } else if (mt == type)
+ return (bio);
+ }
+ bio = bio->next_bio;
+ } while (bio != NULL);
+ return (NULL);
+}
+
+BIO *BIO_next(BIO *b)
+{
+ if (b == NULL)
+ return NULL;
+ return b->next_bio;
+}
+
+void BIO_set_next(BIO *b, BIO *next)
+{
+ b->next_bio = next;
+}
+
+void BIO_free_all(BIO *bio)
+{
+ BIO *b;
+ int ref;
+
+ while (bio != NULL) {
+ b = bio;
+ ref = b->references;
+ bio = bio->next_bio;
+ BIO_free(b);
+ /* Since ref count > 1, don't free anyone else. */
+ if (ref > 1)
+ break;
+ }
+}
+
+BIO *BIO_dup_chain(BIO *in)
+{
+ BIO *ret = NULL, *eoc = NULL, *bio, *new_bio;
+
+ for (bio = in; bio != NULL; bio = bio->next_bio) {
+ if ((new_bio = BIO_new(bio->method)) == NULL)
+ goto err;
+ new_bio->callback = bio->callback;
+ new_bio->cb_arg = bio->cb_arg;
+ new_bio->init = bio->init;
+ new_bio->shutdown = bio->shutdown;
+ new_bio->flags = bio->flags;
+
+ /* This will let SSL_s_sock() work with stdin/stdout */
+ new_bio->num = bio->num;
+
+ if (!BIO_dup_state(bio, (char *)new_bio)) {
+ BIO_free(new_bio);
+ goto err;
}
-int BIO_set_ex_data(bio,idx,data)
-BIO *bio;
-int idx;
-char *data;
- {
- return(CRYPTO_set_ex_data(&(bio->ex_data),idx,data));
- }
-
-char *BIO_get_ex_data(bio,idx)
-BIO *bio;
-int idx;
- {
- return(CRYPTO_get_ex_data(&(bio->ex_data),idx));
- }
+ /* copy app data */
+ if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data,
+ &bio->ex_data)) {
+ BIO_free(new_bio);
+ goto err;
+ }
+ if (ret == NULL) {
+ eoc = new_bio;
+ ret = eoc;
+ } else {
+ BIO_push(eoc, new_bio);
+ eoc = new_bio;
+ }
+ }
+ return (ret);
+ err:
+ BIO_free_all(ret);
+
+ return (NULL);
+}
+
+void BIO_copy_next_retry(BIO *b)
+{
+ BIO_set_flags(b, BIO_get_retry_flags(b->next_bio));
+ b->retry_reason = b->next_bio->retry_reason;
+}
+
+int BIO_set_ex_data(BIO *bio, int idx, void *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));
+}
+
+uint64_t BIO_number_read(BIO *bio)
+{
+ if (bio)
+ return bio->num_read;
+ return 0;
+}
+
+uint64_t BIO_number_written(BIO *bio)
+{
+ if (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