/src/openssl/crypto/bio/bio_meth.c

Source (jump to first uncovered line)
/*
 * Copyright 2016-2024 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;
    if (newval > BIO_TYPE_MASK)
        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);
    }
}

#ifndef OPENSSL_NO_DEPRECATED_3_5
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;
}
#endif

/* 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;
}

#ifndef OPENSSL_NO_DEPRECATED_3_5
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;
}
#endif

/* 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;
}

#ifndef OPENSSL_NO_DEPRECATED_3_5
int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *)
{
    return biom->bputs;
}
#endif

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

#ifndef OPENSSL_NO_DEPRECATED_3_5
int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int)
{
    return biom->bgets;
}
#endif

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

#ifndef OPENSSL_NO_DEPRECATED_3_5
long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, long, void *)
{
    return biom->ctrl;
}
#endif

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

#ifndef OPENSSL_NO_DEPRECATED_3_5
int (*BIO_meth_get_create(const BIO_METHOD *biom)) (BIO *)
{
    return biom->create;
}
#endif

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

#ifndef OPENSSL_NO_DEPRECATED_3_5
int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *)
{
    return biom->destroy;
}
#endif

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

#ifndef OPENSSL_NO_DEPRECATED_3_5
long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom)) (BIO *, int, BIO_info_cb *)
{
    return biom->callback_ctrl;
}
#endif

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;
}

#ifndef OPENSSL_NO_DEPRECATED_3_5
int (*BIO_meth_get_sendmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *) {
    return biom->bsendmmsg;
}
#endif

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;
}

#ifndef OPENSSL_NO_DEPRECATED_3_5
int (*BIO_meth_get_recvmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *) {
    return biom->brecvmmsg;
}
#endif

Coverage Report

Created: 2025-06-13 06:58

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2016-2024 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	if (newval > BIO_TYPE_MASK)
33	0	return -1;
34	0	return newval;
35	0	}
36
37		BIO_METHOD BIO_meth_new(int type, const char name)
38	45	{
39	45	BIO_METHOD *biom = OPENSSL_zalloc(sizeof(BIO_METHOD));
40
41	45	if (biom == NULL
42	45	\|\| (biom->name = OPENSSL_strdup(name)) == NULL) {
43	0	OPENSSL_free(biom);
44	0	return NULL;
45	0	}
46	45	biom->type = type;
47	45	return biom;
48	45	}
49
50		void BIO_meth_free(BIO_METHOD *biom)
51	43	{
52	43	if (biom != NULL) {
53	43	OPENSSL_free(biom->name);
54	43	OPENSSL_free(biom);
55	43	}
56	43	}
57
58		#ifndef OPENSSL_NO_DEPRECATED_3_5
59		int (BIO_meth_get_write(const BIO_METHOD biom)) (BIO , const char , int)
60	0	{
61	0	return biom->bwrite_old;
62	0	}
63
64		int (BIO_meth_get_write_ex(const BIO_METHOD biom)) (BIO , const char , size_t,
65		size_t *)
66	0	{
67	0	return biom->bwrite;
68	0	}
69		#endif
70
71		/* Conversion for old style bwrite to new style */
72		int bwrite_conv(BIO bio, const char data, size_t datal, size_t *written)
73	336M	{
74	336M	int ret;
75
76	336M	if (datal > INT_MAX)
77	0	datal = INT_MAX;
78
79	336M	ret = bio->method->bwrite_old(bio, data, (int)datal);
80
81	336M	if (ret <= 0) {
82	0	*written = 0;
83	0	return ret;
84	0	}
85
86	336M	*written = (size_t)ret;
87
88	336M	return 1;
89	336M	}
90
91		int BIO_meth_set_write(BIO_METHOD *biom,
92		int (bwrite) (BIO , const char *, int))
93	0	{
94	0	biom->bwrite_old = bwrite;
95	0	biom->bwrite = bwrite_conv;
96	0	return 1;
97	0	}
98
99		int BIO_meth_set_write_ex(BIO_METHOD *biom,
100		int (bwrite) (BIO , const char , size_t, size_t ))
101	45	{
102	45	biom->bwrite_old = NULL;
103	45	biom->bwrite = bwrite;
104	45	return 1;
105	45	}
106
107		#ifndef OPENSSL_NO_DEPRECATED_3_5
108		int (BIO_meth_get_read(const BIO_METHOD biom)) (BIO , char , int)
109	0	{
110	0	return biom->bread_old;
111	0	}
112
113		int (BIO_meth_get_read_ex(const BIO_METHOD biom)) (BIO , char , size_t, size_t *)
114	0	{
115	0	return biom->bread;
116	0	}
117		#endif
118
119		/* Conversion for old style bread to new style */
120		int bread_conv(BIO bio, char data, size_t datal, size_t *readbytes)
121	1.42G	{
122	1.42G	int ret;
123
124	1.42G	if (datal > INT_MAX)
125	0	datal = INT_MAX;
126
127	1.42G	ret = bio->method->bread_old(bio, data, (int)datal);
128
129	1.42G	if (ret <= 0) {
130	3.24M	*readbytes = 0;
131	3.24M	return ret;
132	3.24M	}
133
134	1.41G	*readbytes = (size_t)ret;
135
136	1.41G	return 1;
137	1.42G	}
138
139		int BIO_meth_set_read(BIO_METHOD *biom,
140		int (bread) (BIO , char *, int))
141	0	{
142	0	biom->bread_old = bread;
143	0	biom->bread = bread_conv;
144	0	return 1;
145	0	}
146
147		int BIO_meth_set_read_ex(BIO_METHOD *biom,
148		int (bread) (BIO , char , size_t, size_t ))
149	45	{
150	45	biom->bread_old = NULL;
151	45	biom->bread = bread;
152	45	return 1;
153	45	}
154
155		#ifndef OPENSSL_NO_DEPRECATED_3_5
156		int (BIO_meth_get_puts(const BIO_METHOD biom)) (BIO , const char )
157	0	{
158	0	return biom->bputs;
159	0	}
160		#endif
161
162		int BIO_meth_set_puts(BIO_METHOD *biom,
163		int (bputs) (BIO , const char *))
164	45	{
165	45	biom->bputs = bputs;
166	45	return 1;
167	45	}
168
169		#ifndef OPENSSL_NO_DEPRECATED_3_5
170		int (BIO_meth_get_gets(const BIO_METHOD biom)) (BIO , char , int)
171	0	{
172	0	return biom->bgets;
173	0	}
174		#endif
175
176		int BIO_meth_set_gets(BIO_METHOD *biom,
177		int (bgets) (BIO , char *, int))
178	45	{
179	45	biom->bgets = bgets;
180	45	return 1;
181	45	}
182
183		#ifndef OPENSSL_NO_DEPRECATED_3_5
184		long (BIO_meth_get_ctrl(const BIO_METHOD biom)) (BIO , int, long, void )
185	0	{
186	0	return biom->ctrl;
187	0	}
188		#endif
189
190		int BIO_meth_set_ctrl(BIO_METHOD *biom,
191		long (ctrl) (BIO , int, long, void *))
192	45	{
193	45	biom->ctrl = ctrl;
194	45	return 1;
195	45	}
196
197		#ifndef OPENSSL_NO_DEPRECATED_3_5
198		int (BIO_meth_get_create(const BIO_METHOD biom)) (BIO *)
199	0	{
200	0	return biom->create;
201	0	}
202		#endif
203
204		int BIO_meth_set_create(BIO_METHOD biom, int (create) (BIO *))
205	45	{
206	45	biom->create = create;
207	45	return 1;
208	45	}
209
210		#ifndef OPENSSL_NO_DEPRECATED_3_5
211		int (BIO_meth_get_destroy(const BIO_METHOD biom)) (BIO *)
212	0	{
213	0	return biom->destroy;
214	0	}
215		#endif
216
217		int BIO_meth_set_destroy(BIO_METHOD biom, int (destroy) (BIO *))
218	45	{
219	45	biom->destroy = destroy;
220	45	return 1;
221	45	}
222
223		#ifndef OPENSSL_NO_DEPRECATED_3_5
224		long (BIO_meth_get_callback_ctrl(const BIO_METHOD biom)) (BIO , int, BIO_info_cb )
225	0	{
226	0	return biom->callback_ctrl;
227	0	}
228		#endif
229
230		int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
231		long (callback_ctrl) (BIO , int,
232		BIO_info_cb *))
233	0	{
234	0	biom->callback_ctrl = callback_ctrl;
235	0	return 1;
236	0	}
237
238		int BIO_meth_set_sendmmsg(BIO_METHOD *biom,
239		int (bsendmmsg) (BIO , BIO_MSG , size_t, size_t, uint64_t, size_t ))
240	0	{
241	0	biom->bsendmmsg = bsendmmsg;
242	0	return 1;
243	0	}
244
245		#ifndef OPENSSL_NO_DEPRECATED_3_5
246	0	int (BIO_meth_get_sendmmsg(const BIO_METHOD biom))(BIO , BIO_MSG , size_t, size_t, uint64_t, size_t *) {
247	0	return biom->bsendmmsg;
248	0	}
249		#endif
250
251		int BIO_meth_set_recvmmsg(BIO_METHOD *biom,
252		int (brecvmmsg) (BIO , BIO_MSG , size_t, size_t, uint64_t, size_t ))
253	0	{
254	0	biom->brecvmmsg = brecvmmsg;
255	0	return 1;
256	0	}
257
258		#ifndef OPENSSL_NO_DEPRECATED_3_5
259	0	int (BIO_meth_get_recvmmsg(const BIO_METHOD biom))(BIO , BIO_MSG , size_t, size_t, uint64_t, size_t *) {
260	0	return biom->brecvmmsg;
261	0	}
262		#endif