[331] | 1 | /*
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| 2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include "bio_lcl.h"
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| 11 | #include <internal/thread_once.h>
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| 12 |
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| 13 | CRYPTO_RWLOCK *bio_type_lock = NULL;
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| 14 | static CRYPTO_ONCE bio_type_init = CRYPTO_ONCE_STATIC_INIT;
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| 15 |
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| 16 | DEFINE_RUN_ONCE_STATIC(do_bio_type_init)
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| 17 | {
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| 18 | bio_type_lock = CRYPTO_THREAD_lock_new();
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| 19 | return bio_type_lock != NULL;
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| 20 | }
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| 21 |
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| 22 | int BIO_get_new_index()
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| 23 | {
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| 24 | static int bio_count = BIO_TYPE_START;
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| 25 | int newval;
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| 26 |
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| 27 | if (!RUN_ONCE(&bio_type_init, do_bio_type_init)) {
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| 28 | BIOerr(BIO_F_BIO_GET_NEW_INDEX, ERR_R_MALLOC_FAILURE);
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| 29 | return -1;
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| 30 | }
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| 31 | if (!CRYPTO_atomic_add(&bio_count, 1, &newval, bio_type_lock))
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| 32 | return -1;
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| 33 | return newval;
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| 34 | }
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| 35 |
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| 36 | BIO_METHOD *BIO_meth_new(int type, const char *name)
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| 37 | {
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| 38 | BIO_METHOD *biom = OPENSSL_zalloc(sizeof(BIO_METHOD));
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| 39 |
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| 40 | if (biom != NULL) {
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| 41 | biom->type = type;
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| 42 | biom->name = name;
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| 43 | }
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| 44 | return biom;
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| 45 | }
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| 46 |
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| 47 | void BIO_meth_free(BIO_METHOD *biom)
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| 48 | {
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| 49 | OPENSSL_free(biom);
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| 50 | }
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| 51 |
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| 52 | int (*BIO_meth_get_write(BIO_METHOD *biom)) (BIO *, const char *, int)
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| 53 | {
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| 54 | return biom->bwrite;
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| 55 | }
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| 56 |
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| 57 | int BIO_meth_set_write(BIO_METHOD *biom,
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| 58 | int (*bwrite) (BIO *, const char *, int))
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| 59 | {
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| 60 | biom->bwrite = bwrite;
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| 61 | return 1;
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| 62 | }
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| 63 |
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| 64 | int (*BIO_meth_get_read(BIO_METHOD *biom)) (BIO *, char *, int)
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| 65 | {
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| 66 | return biom->bread;
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| 67 | }
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| 68 |
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| 69 | int BIO_meth_set_read(BIO_METHOD *biom,
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| 70 | int (*bread) (BIO *, char *, int))
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| 71 | {
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| 72 | biom->bread = bread;
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| 73 | return 1;
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| 74 | }
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| 75 |
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| 76 | int (*BIO_meth_get_puts(BIO_METHOD *biom)) (BIO *, const char *)
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| 77 | {
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| 78 | return biom->bputs;
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| 79 | }
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| 80 |
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| 81 | int BIO_meth_set_puts(BIO_METHOD *biom,
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| 82 | int (*bputs) (BIO *, const char *))
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| 83 | {
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| 84 | biom->bputs = bputs;
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| 85 | return 1;
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| 86 | }
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| 87 |
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| 88 | int (*BIO_meth_get_gets(BIO_METHOD *biom)) (BIO *, char *, int)
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| 89 | {
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| 90 | return biom->bgets;
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| 91 | }
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| 92 |
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| 93 | int BIO_meth_set_gets(BIO_METHOD *biom,
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| 94 | int (*bgets) (BIO *, char *, int))
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| 95 | {
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| 96 | biom->bgets = bgets;
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| 97 | return 1;
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| 98 | }
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| 99 |
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| 100 | long (*BIO_meth_get_ctrl(BIO_METHOD *biom)) (BIO *, int, long, void *)
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| 101 | {
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| 102 | return biom->ctrl;
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| 103 | }
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| 104 |
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| 105 | int BIO_meth_set_ctrl(BIO_METHOD *biom,
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| 106 | long (*ctrl) (BIO *, int, long, void *))
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| 107 | {
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| 108 | biom->ctrl = ctrl;
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| 109 | return 1;
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| 110 | }
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| 111 |
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| 112 | int (*BIO_meth_get_create(BIO_METHOD *biom)) (BIO *)
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| 113 | {
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| 114 | return biom->create;
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| 115 | }
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| 116 |
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| 117 | int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *))
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| 118 | {
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| 119 | biom->create = create;
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| 120 | return 1;
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| 121 | }
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| 122 |
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| 123 | int (*BIO_meth_get_destroy(BIO_METHOD *biom)) (BIO *)
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| 124 | {
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| 125 | return biom->destroy;
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| 126 | }
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| 127 |
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| 128 | int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *))
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| 129 | {
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| 130 | biom->destroy = destroy;
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| 131 | return 1;
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| 132 | }
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| 133 |
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| 134 | long (*BIO_meth_get_callback_ctrl(BIO_METHOD *biom)) (BIO *, int, bio_info_cb *)
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| 135 | {
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| 136 | return biom->callback_ctrl;
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| 137 | }
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| 138 |
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| 139 | int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
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| 140 | long (*callback_ctrl) (BIO *, int,
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| 141 | bio_info_cb *))
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| 142 | {
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| 143 | biom->callback_ctrl = callback_ctrl;
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| 144 | return 1;
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| 145 | }
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