diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/bio/bio_lib.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bio/bio_lib.c | 246 |
1 files changed, 121 insertions, 125 deletions
diff --git a/Cryptlib/OpenSSL/crypto/bio/bio_lib.c b/Cryptlib/OpenSSL/crypto/bio/bio_lib.c index 62392c3a..07934f8a 100644 --- a/Cryptlib/OpenSSL/crypto/bio/bio_lib.c +++ b/Cryptlib/OpenSSL/crypto/bio/bio_lib.c @@ -1,53 +1,107 @@ -/* - * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. +/* crypto/bio/bio_lib.c */ +/* 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)" * - * 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 + * 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.] */ #include <stdio.h> #include <errno.h> #include <openssl/crypto.h> -#include "bio_lcl.h" -#include "internal/cryptlib.h" +#include "cryptlib.h" +#include <openssl/bio.h> +#include <openssl/stack.h> -BIO *BIO_new(const BIO_METHOD *method) +BIO *BIO_new(BIO_METHOD *method) { - BIO *bio = OPENSSL_zalloc(sizeof(*bio)); + BIO *ret = NULL; - if (bio == NULL) { + ret = (BIO *)OPENSSL_malloc(sizeof(BIO)); + if (ret == NULL) { BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE); return (NULL); } + if (!BIO_set(ret, method)) { + OPENSSL_free(ret); + ret = NULL; + } + return (ret); +} +int BIO_set(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; - - 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; + 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); } int BIO_free(BIO *a) @@ -55,59 +109,30 @@ 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; + return (0); - REF_PRINT_COUNT("BIO", a); + i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_BIO); +#ifdef REF_PRINT + REF_PRINT("BIO", a); +#endif if (i > 0) - return 1; - REF_ASSERT_ISNT(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 ((a->method != NULL) && (a->method->destroy != NULL)) - a->method->destroy(a); + return (i); CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data); - CRYPTO_THREAD_lock_free(a->lock); - + if ((a->method != NULL) && (a->method->destroy != NULL)) + a->method->destroy(a); 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; + return (1); } void BIO_vfree(BIO *a) @@ -115,18 +140,6 @@ 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; @@ -197,7 +210,7 @@ int BIO_read(BIO *b, void *out, int outl) i = b->method->bread(b, out, outl); if (i > 0) - b->num_read += (uint64_t)i; + b->num_read += (unsigned long)i; if (cb != NULL) i = (int)cb(b, BIO_CB_READ | BIO_CB_RETURN, out, outl, 0L, (long)i); @@ -230,7 +243,7 @@ int BIO_write(BIO *b, const void *in, int inl) i = b->method->bwrite(b, in, inl); if (i > 0) - b->num_write += (uint64_t)i; + b->num_write += (unsigned long)i; if (cb != NULL) i = (int)cb(b, BIO_CB_WRITE | BIO_CB_RETURN, in, inl, 0L, (long)i); @@ -260,7 +273,7 @@ int BIO_puts(BIO *b, const char *in) i = b->method->bputs(b, in); if (i > 0) - b->num_write += (uint64_t)i; + b->num_write += (unsigned long)i; if (cb != NULL) i = (int)cb(b, BIO_CB_PUTS | BIO_CB_RETURN, in, 0, 0L, (long)i); @@ -314,9 +327,9 @@ long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg) return (BIO_ctrl(b, cmd, larg, (char *)&i)); } -void *BIO_ptr_ctrl(BIO *b, int cmd, long larg) +char *BIO_ptr_ctrl(BIO *b, int cmd, long larg) { - void *p = NULL; + char *p = NULL; if (BIO_ctrl(b, cmd, larg, (char *)&p) <= 0) return (NULL); @@ -455,16 +468,11 @@ 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) + if (!bio) return NULL; mask = type & 0xff; do { @@ -484,16 +492,11 @@ BIO *BIO_find_type(BIO *bio, int type) BIO *BIO_next(BIO *b) { - if (b == NULL) + if (!b) 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; @@ -559,6 +562,13 @@ void BIO_copy_next_retry(BIO *b) b->retry_reason = b->next_bio->retry_reason; } +int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, + CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) +{ + return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, argl, argp, + new_func, dup_func, free_func); +} + int BIO_set_ex_data(BIO *bio, int idx, void *data) { return (CRYPTO_set_ex_data(&(bio->ex_data), idx, data)); @@ -569,32 +579,18 @@ 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) +unsigned long BIO_number_read(BIO *bio) { if (bio) return bio->num_read; return 0; } -uint64_t BIO_number_written(BIO *bio) +unsigned long 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; -} +IMPLEMENT_STACK_OF(BIO) |