145 lines
3.1 KiB
C
145 lines
3.1 KiB
C
/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "bio_lcl.h"
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#include <internal/thread_once.h>
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CRYPTO_RWLOCK *bio_type_lock = NULL;
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static CRYPTO_ONCE bio_type_init = CRYPTO_ONCE_STATIC_INIT;
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DEFINE_RUN_ONCE_STATIC(do_bio_type_init)
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{
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bio_type_lock = CRYPTO_THREAD_lock_new();
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return bio_type_lock != NULL;
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}
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int BIO_get_new_index()
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{
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static int bio_count = BIO_TYPE_START;
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int newval;
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if (!RUN_ONCE(&bio_type_init, do_bio_type_init)) {
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BIOerr(BIO_F_BIO_GET_NEW_INDEX, ERR_R_MALLOC_FAILURE);
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return -1;
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}
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if (!CRYPTO_atomic_add(&bio_count, 1, &newval, bio_type_lock))
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return -1;
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return newval;
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}
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BIO_METHOD *BIO_meth_new(int type, const char *name)
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{
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BIO_METHOD *biom = OPENSSL_zalloc(sizeof(BIO_METHOD));
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if (biom != NULL) {
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biom->type = type;
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biom->name = name;
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}
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return biom;
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}
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void BIO_meth_free(BIO_METHOD *biom)
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{
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OPENSSL_free(biom);
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}
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int (*BIO_meth_get_write(BIO_METHOD *biom)) (BIO *, const char *, int)
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{
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return biom->bwrite;
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}
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int BIO_meth_set_write(BIO_METHOD *biom,
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int (*bwrite) (BIO *, const char *, int))
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{
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biom->bwrite = bwrite;
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return 1;
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}
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int (*BIO_meth_get_read(BIO_METHOD *biom)) (BIO *, char *, int)
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{
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return biom->bread;
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}
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int BIO_meth_set_read(BIO_METHOD *biom,
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int (*bread) (BIO *, char *, int))
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{
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biom->bread = bread;
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return 1;
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}
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int (*BIO_meth_get_puts(BIO_METHOD *biom)) (BIO *, const char *)
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{
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return biom->bputs;
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}
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int BIO_meth_set_puts(BIO_METHOD *biom,
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int (*bputs) (BIO *, const char *))
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{
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biom->bputs = bputs;
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return 1;
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}
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int (*BIO_meth_get_gets(BIO_METHOD *biom)) (BIO *, char *, int)
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{
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return biom->bgets;
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}
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int BIO_meth_set_gets(BIO_METHOD *biom,
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int (*bgets) (BIO *, char *, int))
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{
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biom->bgets = bgets;
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return 1;
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}
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long (*BIO_meth_get_ctrl(BIO_METHOD *biom)) (BIO *, int, long, void *)
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{
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return biom->ctrl;
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}
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int BIO_meth_set_ctrl(BIO_METHOD *biom,
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long (*ctrl) (BIO *, int, long, void *))
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{
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biom->ctrl = ctrl;
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return 1;
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}
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int (*BIO_meth_get_create(BIO_METHOD *biom)) (BIO *)
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{
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return biom->create;
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}
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int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *))
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{
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biom->create = create;
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return 1;
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}
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int (*BIO_meth_get_destroy(BIO_METHOD *biom)) (BIO *)
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{
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return biom->destroy;
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}
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int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *))
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{
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biom->destroy = destroy;
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return 1;
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}
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long (*BIO_meth_get_callback_ctrl(BIO_METHOD *biom)) (BIO *, int, bio_info_cb *)
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{
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return biom->callback_ctrl;
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}
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int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
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long (*callback_ctrl) (BIO *, int,
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bio_info_cb *))
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{
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biom->callback_ctrl = callback_ctrl;
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return 1;
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}
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