Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/crypto/../../libssl/src/crypto/bio/bss_acpt.c	Lines:	0	177	0.0 %
Date:	2016-12-06	Branches:	0	90	0.0 %


/* $OpenBSD: bss_acpt.c,v 1.26 2015/07/18 22:09:30 beck Exp $ */
/* 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)"
 *
 * 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 <sys/socket.h>

#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

#include <openssl/bio.h>
#include <openssl/buffer.h>
#include <openssl/err.h>

#define SOCKET_PROTOCOL IPPROTO_TCP

typedef struct bio_accept_st {
	int state;
	char *param_addr;

	int accept_sock;
	int accept_nbio;

	char *addr;
	int nbio;
	/* If 0, it means normal, if 1, do a connect on bind failure,
	 * and if there is no-one listening, bind with SO_REUSEADDR.
	 * If 2, always use SO_REUSEADDR. */
	int bind_mode;
	BIO *bio_chain;
} BIO_ACCEPT;

static int acpt_write(BIO *h, const char *buf, int num);
static int acpt_read(BIO *h, char *buf, int size);
static int acpt_puts(BIO *h, const char *str);
static long acpt_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int acpt_new(BIO *h);
static int acpt_free(BIO *data);
static int acpt_state(BIO *b, BIO_ACCEPT *c);
static void acpt_close_socket(BIO *data);
static BIO_ACCEPT *BIO_ACCEPT_new(void );
static void BIO_ACCEPT_free(BIO_ACCEPT *a);

#define ACPT_S_BEFORE			1
#define ACPT_S_GET_ACCEPT_SOCKET	2
#define ACPT_S_OK			3

static BIO_METHOD methods_acceptp = {
	.type = BIO_TYPE_ACCEPT,
	.name = "socket accept",
	.bwrite = acpt_write,
	.bread = acpt_read,
	.bputs = acpt_puts,
	.ctrl = acpt_ctrl,
	.create = acpt_new,
	.destroy = acpt_free
};

BIO_METHOD *
BIO_s_accept(void)
{
	return (&methods_acceptp);
}

static int
acpt_new(BIO *bi)
{
	BIO_ACCEPT *ba;

	bi->init = 0;
	bi->num = -1;
	bi->flags = 0;
	if ((ba = BIO_ACCEPT_new()) == NULL)
		return (0);
	bi->ptr = (char *)ba;
	ba->state = ACPT_S_BEFORE;
	bi->shutdown = 1;
	return (1);
}

static BIO_ACCEPT *
BIO_ACCEPT_new(void)
{
	BIO_ACCEPT *ret;

	if ((ret = calloc(1, sizeof(BIO_ACCEPT))) == NULL)
		return (NULL);
	ret->accept_sock = -1;
	ret->bind_mode = BIO_BIND_NORMAL;
	return (ret);
}

static void
BIO_ACCEPT_free(BIO_ACCEPT *a)
{
	if (a == NULL)
		return;

	free(a->param_addr);
	free(a->addr);
	BIO_free(a->bio_chain);
	free(a);
}

static void
acpt_close_socket(BIO *bio)
{
	BIO_ACCEPT *c;

	c = (BIO_ACCEPT *)bio->ptr;
	if (c->accept_sock != -1) {
		shutdown(c->accept_sock, SHUT_RDWR);
		close(c->accept_sock);
		c->accept_sock = -1;
		bio->num = -1;
	}
}

static int
acpt_free(BIO *a)
{
	BIO_ACCEPT *data;

	if (a == NULL)
		return (0);
	data = (BIO_ACCEPT *)a->ptr;

	if (a->shutdown) {
		acpt_close_socket(a);
		BIO_ACCEPT_free(data);
		a->ptr = NULL;
		a->flags = 0;
		a->init = 0;
	}
	return (1);
}

static int
acpt_state(BIO *b, BIO_ACCEPT *c)
{
	BIO *bio = NULL, *dbio;
	int s = -1;
	int i;

again:
	switch (c->state) {
	case ACPT_S_BEFORE:
		if (c->param_addr == NULL) {
			BIOerr(BIO_F_ACPT_STATE, BIO_R_NO_ACCEPT_PORT_SPECIFIED);
			return (-1);
		}
		s = BIO_get_accept_socket(c->param_addr, c->bind_mode);
		if (s == -1)
			return (-1);

		if (c->accept_nbio) {
			if (!BIO_socket_nbio(s, 1)) {
				close(s);
				BIOerr(BIO_F_ACPT_STATE, BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET);
				return (-1);
			}
		}
		c->accept_sock = s;
		b->num = s;
		c->state = ACPT_S_GET_ACCEPT_SOCKET;
		return (1);
		/* break; */
	case ACPT_S_GET_ACCEPT_SOCKET:
		if (b->next_bio != NULL) {
			c->state = ACPT_S_OK;
			goto again;
		}
		BIO_clear_retry_flags(b);
		b->retry_reason = 0;
		i = BIO_accept(c->accept_sock, &(c->addr));

		/* -2 return means we should retry */
		if (i == -2) {
			BIO_set_retry_special(b);
			b->retry_reason = BIO_RR_ACCEPT;
			return -1;
		}

		if (i < 0)
			return (i);

		bio = BIO_new_socket(i, BIO_CLOSE);
		if (bio == NULL)
			goto err;

		BIO_set_callback(bio, BIO_get_callback(b));
		BIO_set_callback_arg(bio, BIO_get_callback_arg(b));

		if (c->nbio) {
			if (!BIO_socket_nbio(i, 1)) {
				BIOerr(BIO_F_ACPT_STATE, BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET);
				goto err;
			}
		}

		/* If the accept BIO has an bio_chain, we dup it and
		 * put the new socket at the end. */
		if (c->bio_chain != NULL) {
			if ((dbio = BIO_dup_chain(c->bio_chain)) == NULL)
				goto err;
			if (!BIO_push(dbio, bio)) goto err;
				bio = dbio;
		}
		if (BIO_push(b, bio)
			== NULL) goto err;

		c->state = ACPT_S_OK;
		return (1);

err:
		if (bio != NULL)
			BIO_free(bio);
		return (0);
		/* break; */
	case ACPT_S_OK:
		if (b->next_bio == NULL) {
			c->state = ACPT_S_GET_ACCEPT_SOCKET;
			goto again;
		}
		return (1);
		/* break; */
	default:
		return (0);
		/* break; */
	}
}

static int
acpt_read(BIO *b, char *out, int outl)
{
	int ret = 0;
	BIO_ACCEPT *data;

	BIO_clear_retry_flags(b);
	data = (BIO_ACCEPT *)b->ptr;

	while (b->next_bio == NULL) {
		ret = acpt_state(b, data);
		if (ret <= 0)
			return (ret);
	}

	ret = BIO_read(b->next_bio, out, outl);
	BIO_copy_next_retry(b);
	return (ret);
}

static int
acpt_write(BIO *b, const char *in, int inl)
{
	int ret;
	BIO_ACCEPT *data;

	BIO_clear_retry_flags(b);
	data = (BIO_ACCEPT *)b->ptr;

	while (b->next_bio == NULL) {
		ret = acpt_state(b, data);
		if (ret <= 0)
			return (ret);
	}

	ret = BIO_write(b->next_bio, in, inl);
	BIO_copy_next_retry(b);
	return (ret);
}

static long
acpt_ctrl(BIO *b, int cmd, long num, void *ptr)
{
	int *ip;
	long ret = 1;
	BIO_ACCEPT *data;
	char **pp;

	data = (BIO_ACCEPT *)b->ptr;

	switch (cmd) {
	case BIO_CTRL_RESET:
		ret = 0;
		data->state = ACPT_S_BEFORE;
		acpt_close_socket(b);
		b->flags = 0;
		break;
	case BIO_C_DO_STATE_MACHINE:
		/* use this one to start the connection */
		ret = (long)acpt_state(b, data);
		break;
	case BIO_C_SET_ACCEPT:
		if (ptr != NULL) {
			if (num == 0) {
				b->init = 1;
				free(data->param_addr);
				data->param_addr = strdup(ptr);
			} else if (num == 1) {
				data->accept_nbio = (ptr != NULL);
			} else if (num == 2) {
				BIO_free(data->bio_chain);
				data->bio_chain = (BIO *)ptr;
			}
		}
		break;
	case BIO_C_SET_NBIO:
		data->nbio = (int)num;
		break;
	case BIO_C_SET_FD:
		b->init = 1;
		b->num= *((int *)ptr);
		data->accept_sock = b->num;
		data->state = ACPT_S_GET_ACCEPT_SOCKET;
		b->shutdown = (int)num;
		b->init = 1;
		break;
	case BIO_C_GET_FD:
		if (b->init) {
			ip = (int *)ptr;
			if (ip != NULL)
				*ip = data->accept_sock;
			ret = data->accept_sock;
		} else
			ret = -1;
		break;
	case BIO_C_GET_ACCEPT:
		if (b->init) {
			if (ptr != NULL) {
				pp = (char **)ptr;
				*pp = data->param_addr;
			} else
				ret = -1;
		} else
			ret = -1;
		break;
	case BIO_CTRL_GET_CLOSE:
		ret = b->shutdown;
		break;
	case BIO_CTRL_SET_CLOSE:
		b->shutdown = (int)num;
		break;
	case BIO_CTRL_PENDING:
	case BIO_CTRL_WPENDING:
		ret = 0;
		break;
	case BIO_CTRL_FLUSH:
		break;
	case BIO_C_SET_BIND_MODE:
		data->bind_mode = (int)num;
		break;
	case BIO_C_GET_BIND_MODE:
		ret = (long)data->bind_mode;
		break;
	case BIO_CTRL_DUP:
/*		dbio=(BIO *)ptr;
		if (data->param_port) EAY EAY
			BIO_set_port(dbio,data->param_port);
		if (data->param_hostname)
			BIO_set_hostname(dbio,data->param_hostname);
		BIO_set_nbio(dbio,data->nbio);
*/
		break;

	default:
		ret = 0;
		break;
	}
	return (ret);
}

static int
acpt_puts(BIO *bp, const char *str)
{
	int n, ret;

	n = strlen(str);
	ret = acpt_write(bp, str, n);
	return (ret);
}

BIO *
BIO_new_accept(char *str)
{
	BIO *ret;

	ret = BIO_new(BIO_s_accept());
	if (ret == NULL)
		return (NULL);
	if (BIO_set_accept_port(ret, str))
		return (ret);
	else {
		BIO_free(ret);
		return (NULL);
	}
}



Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: bss_acpt.c,v 1.26 2015/07/18 22:09:30 beck Exp $ */
2			/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3			* All rights reserved.
4			*
5			* This package is an SSL implementation written
6			* by Eric Young (eay@cryptsoft.com).
7			* The implementation was written so as to conform with Netscapes SSL.
8			*
9			* This library is free for commercial and non-commercial use as long as
10			* the following conditions are aheared to. The following conditions
11			* apply to all code found in this distribution, be it the RC4, RSA,
12			* lhash, DES, etc., code; not just the SSL code. The SSL documentation
13			* included with this distribution is covered by the same copyright terms
14			* except that the holder is Tim Hudson (tjh@cryptsoft.com).
15			*
16			* Copyright remains Eric Young's, and as such any Copyright notices in
17			* the code are not to be removed.
18			* If this package is used in a product, Eric Young should be given attribution
19			* as the author of the parts of the library used.
20			* This can be in the form of a textual message at program startup or
21			* in documentation (online or textual) provided with the package.
22			*
23			* Redistribution and use in source and binary forms, with or without
24			* modification, are permitted provided that the following conditions
25			* are met:
26			* 1. Redistributions of source code must retain the copyright
27			* notice, this list of conditions and the following disclaimer.
28			* 2. Redistributions in binary form must reproduce the above copyright
29			* notice, this list of conditions and the following disclaimer in the
30			* documentation and/or other materials provided with the distribution.
31			* 3. All advertising materials mentioning features or use of this software
32			* must display the following acknowledgement:
33			* "This product includes cryptographic software written by
34			* Eric Young (eay@cryptsoft.com)"
35			* The word 'cryptographic' can be left out if the rouines from the library
36			* being used are not cryptographic related :-).
37			* 4. If you include any Windows specific code (or a derivative thereof) from
38			* the apps directory (application code) you must include an acknowledgement:
39			* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40			*
41			* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51			* SUCH DAMAGE.
52			*
53			* The licence and distribution terms for any publically available version or
54			* derivative of this code cannot be changed. i.e. this code cannot simply be
55			* copied and put under another distribution licence
56			* [including the GNU Public Licence.]
57			*/
58
59			#include <sys/socket.h>
60
61			#include <errno.h>
62			#include <stdio.h>
63			#include <string.h>
64			#include <unistd.h>
65
66			#include <openssl/bio.h>
67			#include <openssl/buffer.h>
68			#include <openssl/err.h>
69
70			#define SOCKET_PROTOCOL IPPROTO_TCP
71
72			typedef struct bio_accept_st {
73			int state;
74			char *param_addr;
75
76			int accept_sock;
77			int accept_nbio;
78
79			char *addr;
80			int nbio;
81			/* If 0, it means normal, if 1, do a connect on bind failure,
82			* and if there is no-one listening, bind with SO_REUSEADDR.
83			* If 2, always use SO_REUSEADDR. */
84			int bind_mode;
85			BIO *bio_chain;
86			} BIO_ACCEPT;
87
88			static int acpt_write(BIO h, const char buf, int num);
89			static int acpt_read(BIO h, char buf, int size);
90			static int acpt_puts(BIO h, const char str);
91			static long acpt_ctrl(BIO h, int cmd, long arg1, void arg2);
92			static int acpt_new(BIO *h);
93			static int acpt_free(BIO *data);
94			static int acpt_state(BIO b, BIO_ACCEPT c);
95			static void acpt_close_socket(BIO *data);
96			static BIO_ACCEPT *BIO_ACCEPT_new(void );
97			static void BIO_ACCEPT_free(BIO_ACCEPT *a);
98
99			#define ACPT_S_BEFORE 1
100			#define ACPT_S_GET_ACCEPT_SOCKET 2
101			#define ACPT_S_OK 3
102
103			static BIO_METHOD methods_acceptp = {
104			.type = BIO_TYPE_ACCEPT,
105			.name = "socket accept",
106			.bwrite = acpt_write,
107			.bread = acpt_read,
108			.bputs = acpt_puts,
109			.ctrl = acpt_ctrl,
110			.create = acpt_new,
111			.destroy = acpt_free
112			};
113
114			BIO_METHOD *
115			BIO_s_accept(void)
116			{
117			return (&methods_acceptp);
118			}
119
120			static int
121			acpt_new(BIO *bi)
122			{
123			BIO_ACCEPT *ba;
124
125			bi->init = 0;
126			bi->num = -1;
127			bi->flags = 0;
128			if ((ba = BIO_ACCEPT_new()) == NULL)
129			return (0);
130			bi->ptr = (char *)ba;
131			ba->state = ACPT_S_BEFORE;
132			bi->shutdown = 1;
133			return (1);
134			}
135
136			static BIO_ACCEPT *
137			BIO_ACCEPT_new(void)
138			{
139			BIO_ACCEPT *ret;
140
141			if ((ret = calloc(1, sizeof(BIO_ACCEPT))) == NULL)
142			return (NULL);
143			ret->accept_sock = -1;
144			ret->bind_mode = BIO_BIND_NORMAL;
145			return (ret);
146			}
147
148			static void
149			BIO_ACCEPT_free(BIO_ACCEPT *a)
150			{
151			if (a == NULL)
152			return;
153
154			free(a->param_addr);
155			free(a->addr);
156			BIO_free(a->bio_chain);
157			free(a);
158			}
159
160			static void
161			acpt_close_socket(BIO *bio)
162			{
163			BIO_ACCEPT *c;
164
165			c = (BIO_ACCEPT *)bio->ptr;
166			if (c->accept_sock != -1) {
167			shutdown(c->accept_sock, SHUT_RDWR);
168			close(c->accept_sock);
169			c->accept_sock = -1;
170			bio->num = -1;
171			}
172			}
173
174			static int
175			acpt_free(BIO *a)
176			{
177			BIO_ACCEPT *data;
178
179			if (a == NULL)
180			return (0);
181			data = (BIO_ACCEPT *)a->ptr;
182
183			if (a->shutdown) {
184			acpt_close_socket(a);
185			BIO_ACCEPT_free(data);
186			a->ptr = NULL;
187			a->flags = 0;
188			a->init = 0;
189			}
190			return (1);
191			}
192
193			static int
194			acpt_state(BIO b, BIO_ACCEPT c)
195			{
196			BIO bio = NULL, dbio;
197			int s = -1;
198			int i;
199
200			again:
201			switch (c->state) {
202			case ACPT_S_BEFORE:
203			if (c->param_addr == NULL) {
204			BIOerr(BIO_F_ACPT_STATE, BIO_R_NO_ACCEPT_PORT_SPECIFIED);
205			return (-1);
206			}
207			s = BIO_get_accept_socket(c->param_addr, c->bind_mode);
208			if (s == -1)
209			return (-1);
210
211			if (c->accept_nbio) {
212			if (!BIO_socket_nbio(s, 1)) {
213			close(s);
214			BIOerr(BIO_F_ACPT_STATE, BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET);
215			return (-1);
216			}
217			}
218			c->accept_sock = s;
219			b->num = s;
220			c->state = ACPT_S_GET_ACCEPT_SOCKET;
221			return (1);
222			/* break; */
223			case ACPT_S_GET_ACCEPT_SOCKET:
224			if (b->next_bio != NULL) {
225			c->state = ACPT_S_OK;
226			goto again;
227			}
228			BIO_clear_retry_flags(b);
229			b->retry_reason = 0;
230			i = BIO_accept(c->accept_sock, &(c->addr));
231
232			/* -2 return means we should retry */
233			if (i == -2) {
234			BIO_set_retry_special(b);
235			b->retry_reason = BIO_RR_ACCEPT;
236			return -1;
237			}
238
239			if (i < 0)
240			return (i);
241
242			bio = BIO_new_socket(i, BIO_CLOSE);
243			if (bio == NULL)
244			goto err;
245
246			BIO_set_callback(bio, BIO_get_callback(b));
247			BIO_set_callback_arg(bio, BIO_get_callback_arg(b));
248
249			if (c->nbio) {
250			if (!BIO_socket_nbio(i, 1)) {
251			BIOerr(BIO_F_ACPT_STATE, BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET);
252			goto err;
253			}
254			}
255
256			/* If the accept BIO has an bio_chain, we dup it and
257			* put the new socket at the end. */
258			if (c->bio_chain != NULL) {
259			if ((dbio = BIO_dup_chain(c->bio_chain)) == NULL)
260			goto err;
261			if (!BIO_push(dbio, bio)) goto err;
262			bio = dbio;
263			}
264			if (BIO_push(b, bio)
265			== NULL) goto err;
266
267			c->state = ACPT_S_OK;
268			return (1);
269
270			err:
271			if (bio != NULL)
272			BIO_free(bio);
273			return (0);
274			/* break; */
275			case ACPT_S_OK:
276			if (b->next_bio == NULL) {
277			c->state = ACPT_S_GET_ACCEPT_SOCKET;
278			goto again;
279			}
280			return (1);
281			/* break; */
282			default:
283			return (0);
284			/* break; */
285			}
286			}
287
288			static int
289			acpt_read(BIO b, char out, int outl)
290			{
291			int ret = 0;
292			BIO_ACCEPT *data;
293
294			BIO_clear_retry_flags(b);
295			data = (BIO_ACCEPT *)b->ptr;
296
297			while (b->next_bio == NULL) {
298			ret = acpt_state(b, data);
299			if (ret <= 0)
300			return (ret);
301			}
302
303			ret = BIO_read(b->next_bio, out, outl);
304			BIO_copy_next_retry(b);
305			return (ret);
306			}
307
308			static int
309			acpt_write(BIO b, const char in, int inl)
310			{
311			int ret;
312			BIO_ACCEPT *data;
313
314			BIO_clear_retry_flags(b);
315			data = (BIO_ACCEPT *)b->ptr;
316
317			while (b->next_bio == NULL) {
318			ret = acpt_state(b, data);
319			if (ret <= 0)
320			return (ret);
321			}
322
323			ret = BIO_write(b->next_bio, in, inl);
324			BIO_copy_next_retry(b);
325			return (ret);
326			}
327
328			static long
329			acpt_ctrl(BIO b, int cmd, long num, void ptr)
330			{
331			int *ip;
332			long ret = 1;
333			BIO_ACCEPT *data;
334			char **pp;
335
336			data = (BIO_ACCEPT *)b->ptr;
337
338			switch (cmd) {
339			case BIO_CTRL_RESET:
340			ret = 0;
341			data->state = ACPT_S_BEFORE;
342			acpt_close_socket(b);
343			b->flags = 0;
344			break;
345			case BIO_C_DO_STATE_MACHINE:
346			/* use this one to start the connection */
347			ret = (long)acpt_state(b, data);
348			break;
349			case BIO_C_SET_ACCEPT:
350			if (ptr != NULL) {
351			if (num == 0) {
352			b->init = 1;
353			free(data->param_addr);
354			data->param_addr = strdup(ptr);
355			} else if (num == 1) {
356			data->accept_nbio = (ptr != NULL);
357			} else if (num == 2) {
358			BIO_free(data->bio_chain);
359			data->bio_chain = (BIO *)ptr;
360			}
361			}
362			break;
363			case BIO_C_SET_NBIO:
364			data->nbio = (int)num;
365			break;
366			case BIO_C_SET_FD:
367			b->init = 1;
368			b->num= ((int )ptr);
369			data->accept_sock = b->num;
370			data->state = ACPT_S_GET_ACCEPT_SOCKET;
371			b->shutdown = (int)num;
372			b->init = 1;
373			break;
374			case BIO_C_GET_FD:
375			if (b->init) {
376			ip = (int *)ptr;
377			if (ip != NULL)
378			*ip = data->accept_sock;
379			ret = data->accept_sock;
380			} else
381			ret = -1;
382			break;
383			case BIO_C_GET_ACCEPT:
384			if (b->init) {
385			if (ptr != NULL) {
386			pp = (char **)ptr;
387			*pp = data->param_addr;
388			} else
389			ret = -1;
390			} else
391			ret = -1;
392			break;
393			case BIO_CTRL_GET_CLOSE:
394			ret = b->shutdown;
395			break;
396			case BIO_CTRL_SET_CLOSE:
397			b->shutdown = (int)num;
398			break;
399			case BIO_CTRL_PENDING:
400			case BIO_CTRL_WPENDING:
401			ret = 0;
402			break;
403			case BIO_CTRL_FLUSH:
404			break;
405			case BIO_C_SET_BIND_MODE:
406			data->bind_mode = (int)num;
407			break;
408			case BIO_C_GET_BIND_MODE:
409			ret = (long)data->bind_mode;
410			break;
411			case BIO_CTRL_DUP:
412			/* dbio=(BIO *)ptr;
413			if (data->param_port) EAY EAY
414			BIO_set_port(dbio,data->param_port);
415			if (data->param_hostname)
416			BIO_set_hostname(dbio,data->param_hostname);
417			BIO_set_nbio(dbio,data->nbio);
418			*/
419			break;
420
421			default:
422			ret = 0;
423			break;
424			}
425			return (ret);
426			}
427
428			static int
429			acpt_puts(BIO bp, const char str)
430			{
431			int n, ret;
432
433			n = strlen(str);
434			ret = acpt_write(bp, str, n);
435			return (ret);
436			}
437
438			BIO *
439			BIO_new_accept(char *str)
440			{
441			BIO *ret;
442
443			ret = BIO_new(BIO_s_accept());
444			if (ret == NULL)
445			return (NULL);
446			if (BIO_set_accept_port(ret, str))
447			return (ret);
448			else {
449			BIO_free(ret);
450			return (NULL);
451			}
452			}
453