/src/openssl32/crypto/bio/bio_meth.c

Source (jump to first uncovered line)
/*
 * Copyright 2016-2023 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (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 "bio_local.h"
#include "internal/thread_once.h"

CRYPTO_REF_COUNT bio_type_count;
static CRYPTO_ONCE bio_type_init = CRYPTO_ONCE_STATIC_INIT;

DEFINE_RUN_ONCE_STATIC(do_bio_type_init)
{
    return CRYPTO_NEW_REF(&bio_type_count, BIO_TYPE_START);
}

int BIO_get_new_index(void)
{
    int newval;

    if (!RUN_ONCE(&bio_type_init, do_bio_type_init)) {
        /* Perhaps the error should be raised in do_bio_type_init()? */
        ERR_raise(ERR_LIB_BIO, ERR_R_CRYPTO_LIB);
        return -1;
    }
    if (!CRYPTO_UP_REF(&bio_type_count, &newval))
        return -1;
    return newval;
}

BIO_METHOD *BIO_meth_new(int type, const char *name)
{
    BIO_METHOD *biom = OPENSSL_zalloc(sizeof(BIO_METHOD));

    if (biom == NULL
            || (biom->name = OPENSSL_strdup(name)) == NULL) {
        OPENSSL_free(biom);
        return NULL;
    }
    biom->type = type;
    return biom;
}

void BIO_meth_free(BIO_METHOD *biom)
{
    if (biom != NULL) {
        OPENSSL_free(biom->name);
        OPENSSL_free(biom);
    }
}

int (*BIO_meth_get_write(const BIO_METHOD *biom)) (BIO *, const char *, int)
{
    return biom->bwrite_old;
}

int (*BIO_meth_get_write_ex(const BIO_METHOD *biom)) (BIO *, const char *, size_t,
                                                size_t *)
{
    return biom->bwrite;
}

/* Conversion for old style bwrite to new style */
int bwrite_conv(BIO *bio, const char *data, size_t datal, size_t *written)
{
    int ret;

    if (datal > INT_MAX)
        datal = INT_MAX;

    ret = bio->method->bwrite_old(bio, data, (int)datal);

    if (ret <= 0) {
        *written = 0;
        return ret;
    }

    *written = (size_t)ret;

    return 1;
}

int BIO_meth_set_write(BIO_METHOD *biom,
                       int (*bwrite) (BIO *, const char *, int))
{
    biom->bwrite_old = bwrite;
    biom->bwrite = bwrite_conv;
    return 1;
}

int BIO_meth_set_write_ex(BIO_METHOD *biom,
                       int (*bwrite) (BIO *, const char *, size_t, size_t *))
{
    biom->bwrite_old = NULL;
    biom->bwrite = bwrite;
    return 1;
}

int (*BIO_meth_get_read(const BIO_METHOD *biom)) (BIO *, char *, int)
{
    return biom->bread_old;
}

int (*BIO_meth_get_read_ex(const BIO_METHOD *biom)) (BIO *, char *, size_t, size_t *)
{
    return biom->bread;
}

/* Conversion for old style bread to new style */
int bread_conv(BIO *bio, char *data, size_t datal, size_t *readbytes)
{
    int ret;

    if (datal > INT_MAX)
        datal = INT_MAX;

    ret = bio->method->bread_old(bio, data, (int)datal);

    if (ret <= 0) {
        *readbytes = 0;
        return ret;
    }

    *readbytes = (size_t)ret;

    return 1;
}

int BIO_meth_set_read(BIO_METHOD *biom,
                      int (*bread) (BIO *, char *, int))
{
    biom->bread_old = bread;
    biom->bread = bread_conv;
    return 1;
}

int BIO_meth_set_read_ex(BIO_METHOD *biom,
                         int (*bread) (BIO *, char *, size_t, size_t *))
{
    biom->bread_old = NULL;
    biom->bread = bread;
    return 1;
}

int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *)
{
    return biom->bputs;
}

int BIO_meth_set_puts(BIO_METHOD *biom,
                      int (*bputs) (BIO *, const char *))
{
    biom->bputs = bputs;
    return 1;
}

int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int)
{
    return biom->bgets;
}

int BIO_meth_set_gets(BIO_METHOD *biom,
                      int (*bgets) (BIO *, char *, int))
{
    biom->bgets = bgets;
    return 1;
}

long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, long, void *)
{
    return biom->ctrl;
}

int BIO_meth_set_ctrl(BIO_METHOD *biom,
                      long (*ctrl) (BIO *, int, long, void *))
{
    biom->ctrl = ctrl;
    return 1;
}

int (*BIO_meth_get_create(const BIO_METHOD *biom)) (BIO *)
{
    return biom->create;
}

int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *))
{
    biom->create = create;
    return 1;
}

int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *)
{
    return biom->destroy;
}

int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *))
{
    biom->destroy = destroy;
    return 1;
}

long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom)) (BIO *, int, BIO_info_cb *)
{
    return biom->callback_ctrl;
}

int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
                               long (*callback_ctrl) (BIO *, int,
                                                      BIO_info_cb *))
{
    biom->callback_ctrl = callback_ctrl;
    return 1;
}

int BIO_meth_set_sendmmsg(BIO_METHOD *biom,
                          int (*bsendmmsg) (BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *))
{
    biom->bsendmmsg = bsendmmsg;
    return 1;
}

int (*BIO_meth_get_sendmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *) {
    return biom->bsendmmsg;
}

int BIO_meth_set_recvmmsg(BIO_METHOD *biom,
                          int (*brecvmmsg) (BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *))
{
    biom->brecvmmsg = brecvmmsg;
    return 1;
}

int (*BIO_meth_get_recvmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *) {
    return biom->brecvmmsg;
}

Coverage Report

Created: 2025-06-13 06:58

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2016-2023 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		#include "bio_local.h"
11		#include "internal/thread_once.h"
12
13		CRYPTO_REF_COUNT bio_type_count;
14		static CRYPTO_ONCE bio_type_init = CRYPTO_ONCE_STATIC_INIT;
15
16		DEFINE_RUN_ONCE_STATIC(do_bio_type_init)
17	0	{
18	0	return CRYPTO_NEW_REF(&bio_type_count, BIO_TYPE_START);
19	0	}
20
21		int BIO_get_new_index(void)
22	0	{
23	0	int newval;
24
25	0	if (!RUN_ONCE(&bio_type_init, do_bio_type_init)) {
26		/* Perhaps the error should be raised in do_bio_type_init()? */
27	0	ERR_raise(ERR_LIB_BIO, ERR_R_CRYPTO_LIB);
28	0	return -1;
29	0	}
30	0	if (!CRYPTO_UP_REF(&bio_type_count, &newval))
31	0	return -1;
32	0	return newval;
33	0	}
34
35		BIO_METHOD BIO_meth_new(int type, const char name)
36	45	{
37	45	BIO_METHOD *biom = OPENSSL_zalloc(sizeof(BIO_METHOD));
38
39	45	if (biom == NULL
40	45	\|\| (biom->name = OPENSSL_strdup(name)) == NULL) {
41	0	OPENSSL_free(biom);
42	0	return NULL;
43	0	}
44	45	biom->type = type;
45	45	return biom;
46	45	}
47
48		void BIO_meth_free(BIO_METHOD *biom)
49	43	{
50	43	if (biom != NULL) {
51	43	OPENSSL_free(biom->name);
52	43	OPENSSL_free(biom);
53	43	}
54	43	}
55
56		int (BIO_meth_get_write(const BIO_METHOD biom)) (BIO , const char , int)
57	0	{
58	0	return biom->bwrite_old;
59	0	}
60
61		int (BIO_meth_get_write_ex(const BIO_METHOD biom)) (BIO , const char , size_t,
62		size_t *)
63	0	{
64	0	return biom->bwrite;
65	0	}
66
67		/* Conversion for old style bwrite to new style */
68		int bwrite_conv(BIO bio, const char data, size_t datal, size_t *written)
69	336M	{
70	336M	int ret;
71
72	336M	if (datal > INT_MAX)
73	0	datal = INT_MAX;
74
75	336M	ret = bio->method->bwrite_old(bio, data, (int)datal);
76
77	336M	if (ret <= 0) {
78	0	*written = 0;
79	0	return ret;
80	0	}
81
82	336M	*written = (size_t)ret;
83
84	336M	return 1;
85	336M	}
86
87		int BIO_meth_set_write(BIO_METHOD *biom,
88		int (bwrite) (BIO , const char *, int))
89	0	{
90	0	biom->bwrite_old = bwrite;
91	0	biom->bwrite = bwrite_conv;
92	0	return 1;
93	0	}
94
95		int BIO_meth_set_write_ex(BIO_METHOD *biom,
96		int (bwrite) (BIO , const char , size_t, size_t ))
97	45	{
98	45	biom->bwrite_old = NULL;
99	45	biom->bwrite = bwrite;
100	45	return 1;
101	45	}
102
103		int (BIO_meth_get_read(const BIO_METHOD biom)) (BIO , char , int)
104	0	{
105	0	return biom->bread_old;
106	0	}
107
108		int (BIO_meth_get_read_ex(const BIO_METHOD biom)) (BIO , char , size_t, size_t *)
109	0	{
110	0	return biom->bread;
111	0	}
112
113		/* Conversion for old style bread to new style */
114		int bread_conv(BIO bio, char data, size_t datal, size_t *readbytes)
115	1.42G	{
116	1.42G	int ret;
117
118	1.42G	if (datal > INT_MAX)
119	0	datal = INT_MAX;
120
121	1.42G	ret = bio->method->bread_old(bio, data, (int)datal);
122
123	1.42G	if (ret <= 0) {
124	3.24M	*readbytes = 0;
125	3.24M	return ret;
126	3.24M	}
127
128	1.41G	*readbytes = (size_t)ret;
129
130	1.41G	return 1;
131	1.42G	}
132
133		int BIO_meth_set_read(BIO_METHOD *biom,
134		int (bread) (BIO , char *, int))
135	0	{
136	0	biom->bread_old = bread;
137	0	biom->bread = bread_conv;
138	0	return 1;
139	0	}
140
141		int BIO_meth_set_read_ex(BIO_METHOD *biom,
142		int (bread) (BIO , char , size_t, size_t ))
143	45	{
144	45	biom->bread_old = NULL;
145	45	biom->bread = bread;
146	45	return 1;
147	45	}
148
149		int (BIO_meth_get_puts(const BIO_METHOD biom)) (BIO , const char )
150	0	{
151	0	return biom->bputs;
152	0	}
153
154		int BIO_meth_set_puts(BIO_METHOD *biom,
155		int (bputs) (BIO , const char *))
156	45	{
157	45	biom->bputs = bputs;
158	45	return 1;
159	45	}
160
161		int (BIO_meth_get_gets(const BIO_METHOD biom)) (BIO , char , int)
162	0	{
163	0	return biom->bgets;
164	0	}
165
166		int BIO_meth_set_gets(BIO_METHOD *biom,
167		int (bgets) (BIO , char *, int))
168	45	{
169	45	biom->bgets = bgets;
170	45	return 1;
171	45	}
172
173		long (BIO_meth_get_ctrl(const BIO_METHOD biom)) (BIO , int, long, void )
174	0	{
175	0	return biom->ctrl;
176	0	}
177
178		int BIO_meth_set_ctrl(BIO_METHOD *biom,
179		long (ctrl) (BIO , int, long, void *))
180	45	{
181	45	biom->ctrl = ctrl;
182	45	return 1;
183	45	}
184
185		int (BIO_meth_get_create(const BIO_METHOD biom)) (BIO *)
186	0	{
187	0	return biom->create;
188	0	}
189
190		int BIO_meth_set_create(BIO_METHOD biom, int (create) (BIO *))
191	45	{
192	45	biom->create = create;
193	45	return 1;
194	45	}
195
196		int (BIO_meth_get_destroy(const BIO_METHOD biom)) (BIO *)
197	0	{
198	0	return biom->destroy;
199	0	}
200
201		int BIO_meth_set_destroy(BIO_METHOD biom, int (destroy) (BIO *))
202	45	{
203	45	biom->destroy = destroy;
204	45	return 1;
205	45	}
206
207		long (BIO_meth_get_callback_ctrl(const BIO_METHOD biom)) (BIO , int, BIO_info_cb )
208	0	{
209	0	return biom->callback_ctrl;
210	0	}
211
212		int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
213		long (callback_ctrl) (BIO , int,
214		BIO_info_cb *))
215	0	{
216	0	biom->callback_ctrl = callback_ctrl;
217	0	return 1;
218	0	}
219
220		int BIO_meth_set_sendmmsg(BIO_METHOD *biom,
221		int (bsendmmsg) (BIO , BIO_MSG , size_t, size_t, uint64_t, size_t ))
222	0	{
223	0	biom->bsendmmsg = bsendmmsg;
224	0	return 1;
225	0	}
226
227	0	int (BIO_meth_get_sendmmsg(const BIO_METHOD biom))(BIO , BIO_MSG , size_t, size_t, uint64_t, size_t *) {
228	0	return biom->bsendmmsg;
229	0	}
230
231		int BIO_meth_set_recvmmsg(BIO_METHOD *biom,
232		int (brecvmmsg) (BIO , BIO_MSG , size_t, size_t, uint64_t, size_t ))
233	0	{
234	0	biom->brecvmmsg = brecvmmsg;
235	0	return 1;
236	0	}
237
238	0	int (BIO_meth_get_recvmmsg(const BIO_METHOD biom))(BIO , BIO_MSG , size_t, size_t, uint64_t, size_t *) {
239	0	return biom->brecvmmsg;
240	0	}