sl@0: /* ssl/bio_ssl.c */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: /*
sl@0:  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
sl@0:  */
sl@0:  
sl@0: #include <stdio.h>
sl@0: #include <stdlib.h>
sl@0: #include <string.h>
sl@0: #include <errno.h>
sl@0: #include <openssl/crypto.h>
sl@0: #include <openssl/bio.h>
sl@0: #include <openssl/err.h>
sl@0: #include <openssl/ssl.h>
sl@0: 
sl@0: #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
sl@0: #include "libssl_wsd.h"
sl@0: #endif
sl@0: 
sl@0: static int ssl_write(BIO *h, const char *buf, int num);
sl@0: static int ssl_read(BIO *h, char *buf, int size);
sl@0: static int ssl_puts(BIO *h, const char *str);
sl@0: static long ssl_ctrl(BIO *h, int cmd, long arg1, void *arg2);
sl@0: static int ssl_new(BIO *h);
sl@0: static int ssl_free(BIO *data);
sl@0: static long ssl_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
sl@0: typedef struct bio_ssl_st
sl@0: 	{
sl@0: 	SSL *ssl; /* The ssl handle :-) */
sl@0: 	/* re-negotiate every time the total number of bytes is this size */
sl@0: 	int num_renegotiates;
sl@0: 	unsigned long renegotiate_count;
sl@0: 	unsigned long byte_count;
sl@0: 	unsigned long renegotiate_timeout;
sl@0: 	unsigned long last_time;
sl@0: 	} BIO_SSL;
sl@0: 
sl@0: #ifdef __cplusplus
sl@0: extern "C"
sl@0: {
sl@0: #endif
sl@0: #ifndef EMULATOR
sl@0: 
sl@0: 	static BIO_METHOD methods_sslp=
sl@0: #else
sl@0: 	const BIO_METHOD temp_methods_sslp=
sl@0: 
sl@0: #endif
sl@0: 	{
sl@0: 	BIO_TYPE_SSL,"ssl",
sl@0: 	ssl_write,
sl@0: 	ssl_read,
sl@0: 	ssl_puts,
sl@0: 	NULL, /* ssl_gets, */
sl@0: 	ssl_ctrl,
sl@0: 	ssl_new,
sl@0: 	ssl_free,
sl@0: 	ssl_callback_ctrl,
sl@0: 	};
sl@0: #ifdef __cplusplus
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef EMULATOR
sl@0: 
sl@0: GET_STATIC_VAR_FROM_TLS(methods_sslp,bio_ssl,BIO_METHOD)
sl@0: 
sl@0: #define methods_sslp (*GET_WSD_VAR_NAME(methods_sslp,bio_ssl,s)())
sl@0: 	
sl@0: #endif //EMULATOR
sl@0: 
sl@0: 
sl@0: 
sl@0: EXPORT_C BIO_METHOD *BIO_f_ssl(void)
sl@0: 	{
sl@0: 	return(&methods_sslp);
sl@0: 	}
sl@0: 
sl@0: static int ssl_new(BIO *bi)
sl@0: 	{
sl@0: 	BIO_SSL *bs;
sl@0: 
sl@0: 	bs=(BIO_SSL *)OPENSSL_malloc(sizeof(BIO_SSL));
sl@0: 	if (bs == NULL)
sl@0: 		{
sl@0: 		BIOerr(BIO_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	memset(bs,0,sizeof(BIO_SSL));
sl@0: 	bi->init=0;
sl@0: 	bi->ptr=(char *)bs;
sl@0: 	bi->flags=0;
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: static int ssl_free(BIO *a)
sl@0: 	{
sl@0: 	BIO_SSL *bs;
sl@0: 
sl@0: 	if (a == NULL) return(0);
sl@0: 	bs=(BIO_SSL *)a->ptr;
sl@0: 	if (bs->ssl != NULL) SSL_shutdown(bs->ssl);
sl@0: 	if (a->shutdown)
sl@0: 		{
sl@0: 		if (a->init && (bs->ssl != NULL))
sl@0: 			SSL_free(bs->ssl);
sl@0: 		a->init=0;
sl@0: 		a->flags=0;
sl@0: 		}
sl@0: 	if (a->ptr != NULL)
sl@0: 		OPENSSL_free(a->ptr);
sl@0: 	return(1);
sl@0: 	}
sl@0: 	
sl@0: static int ssl_read(BIO *b, char *out, int outl)
sl@0: 	{
sl@0: 	int ret=1;
sl@0: 	BIO_SSL *sb;
sl@0: 	SSL *ssl;
sl@0: 	int retry_reason=0;
sl@0: 	int r=0;
sl@0: 
sl@0: 	if (out == NULL) return(0);
sl@0: 	sb=(BIO_SSL *)b->ptr;
sl@0: 	ssl=sb->ssl;
sl@0: 
sl@0: 	BIO_clear_retry_flags(b);
sl@0: 
sl@0: #if 0
sl@0: 	if (!SSL_is_init_finished(ssl))
sl@0: 		{
sl@0: /*		ret=SSL_do_handshake(ssl); */
sl@0: 		if (ret > 0)
sl@0: 			{
sl@0: 
sl@0: 			outflags=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY);
sl@0: 			ret= -1;
sl@0: 			goto end;
sl@0: 			}
sl@0: 		}
sl@0: #endif
sl@0: /*	if (ret > 0) */
sl@0: 	ret=SSL_read(ssl,out,outl);
sl@0: 
sl@0: 	switch (SSL_get_error(ssl,ret))
sl@0: 		{
sl@0: 	case SSL_ERROR_NONE:
sl@0: 		if (ret <= 0) break;
sl@0: 		if (sb->renegotiate_count > 0)
sl@0: 			{
sl@0: 			sb->byte_count+=ret;
sl@0: 			if (sb->byte_count > sb->renegotiate_count)
sl@0: 				{
sl@0: 				sb->byte_count=0;
sl@0: 				sb->num_renegotiates++;
sl@0: 				SSL_renegotiate(ssl);
sl@0: 				r=1;
sl@0: 				}
sl@0: 			}
sl@0: 		if ((sb->renegotiate_timeout > 0) && (!r))
sl@0: 			{
sl@0: 			unsigned long tm;
sl@0: 
sl@0: 			tm=(unsigned long)time(NULL);
sl@0: 			if (tm > sb->last_time+sb->renegotiate_timeout)
sl@0: 				{
sl@0: 				sb->last_time=tm;
sl@0: 				sb->num_renegotiates++;
sl@0: 				SSL_renegotiate(ssl);
sl@0: 				}
sl@0: 			}
sl@0: 
sl@0: 		break;
sl@0: 	case SSL_ERROR_WANT_READ:
sl@0: 		BIO_set_retry_read(b);
sl@0: 		break;
sl@0: 	case SSL_ERROR_WANT_WRITE:
sl@0: 		BIO_set_retry_write(b);
sl@0: 		break;
sl@0: 	case SSL_ERROR_WANT_X509_LOOKUP:
sl@0: 		BIO_set_retry_special(b);
sl@0: 		retry_reason=BIO_RR_SSL_X509_LOOKUP;
sl@0: 		break;
sl@0: 	case SSL_ERROR_WANT_ACCEPT:
sl@0: 		BIO_set_retry_special(b);
sl@0: 		retry_reason=BIO_RR_ACCEPT;
sl@0: 		break;
sl@0: 	case SSL_ERROR_WANT_CONNECT:
sl@0: 		BIO_set_retry_special(b);
sl@0: 		retry_reason=BIO_RR_CONNECT;
sl@0: 		break;
sl@0: 	case SSL_ERROR_SYSCALL:
sl@0: 	case SSL_ERROR_SSL:
sl@0: 	case SSL_ERROR_ZERO_RETURN:
sl@0: 	default:
sl@0: 		break;
sl@0: 		}
sl@0: 
sl@0: 	b->retry_reason=retry_reason;
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: static int ssl_write(BIO *b, const char *out, int outl)
sl@0: 	{
sl@0: 	int ret,r=0;
sl@0: 	int retry_reason=0;
sl@0: 	SSL *ssl;
sl@0: 	BIO_SSL *bs;
sl@0: 
sl@0: 	if (out == NULL) return(0);
sl@0: 	bs=(BIO_SSL *)b->ptr;
sl@0: 	ssl=bs->ssl;
sl@0: 
sl@0: 	BIO_clear_retry_flags(b);
sl@0: 
sl@0: /*	ret=SSL_do_handshake(ssl);
sl@0: 	if (ret > 0) */
sl@0: 	ret=SSL_write(ssl,out,outl);
sl@0: 
sl@0: 	switch (SSL_get_error(ssl,ret))
sl@0: 		{
sl@0: 	case SSL_ERROR_NONE:
sl@0: 		if (ret <= 0) break;
sl@0: 		if (bs->renegotiate_count > 0)
sl@0: 			{
sl@0: 			bs->byte_count+=ret;
sl@0: 			if (bs->byte_count > bs->renegotiate_count)
sl@0: 				{
sl@0: 				bs->byte_count=0;
sl@0: 				bs->num_renegotiates++;
sl@0: 				SSL_renegotiate(ssl);
sl@0: 				r=1;
sl@0: 				}
sl@0: 			}
sl@0: 		if ((bs->renegotiate_timeout > 0) && (!r))
sl@0: 			{
sl@0: 			unsigned long tm;
sl@0: 
sl@0: 			tm=(unsigned long)time(NULL);
sl@0: 			if (tm > bs->last_time+bs->renegotiate_timeout)
sl@0: 				{
sl@0: 				bs->last_time=tm;
sl@0: 				bs->num_renegotiates++;
sl@0: 				SSL_renegotiate(ssl);
sl@0: 				}
sl@0: 			}
sl@0: 		break;
sl@0: 	case SSL_ERROR_WANT_WRITE:
sl@0: 		BIO_set_retry_write(b);
sl@0: 		break;
sl@0: 	case SSL_ERROR_WANT_READ:
sl@0: 		BIO_set_retry_read(b);
sl@0: 		break;
sl@0: 	case SSL_ERROR_WANT_X509_LOOKUP:
sl@0: 		BIO_set_retry_special(b);
sl@0: 		retry_reason=BIO_RR_SSL_X509_LOOKUP;
sl@0: 		break;
sl@0: 	case SSL_ERROR_WANT_CONNECT:
sl@0: 		BIO_set_retry_special(b);
sl@0: 		retry_reason=BIO_RR_CONNECT;
sl@0: 	case SSL_ERROR_SYSCALL:
sl@0: 	case SSL_ERROR_SSL:
sl@0: 	default:
sl@0: 		break;
sl@0: 		}
sl@0: 
sl@0: 	b->retry_reason=retry_reason;
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
sl@0: 	{
sl@0: 	SSL **sslp,*ssl;
sl@0: 	BIO_SSL *bs;
sl@0: 	BIO *dbio,*bio;
sl@0: 	long ret=1;
sl@0: 
sl@0: 	bs=(BIO_SSL *)b->ptr;
sl@0: 	ssl=bs->ssl;
sl@0: 	if ((ssl == NULL)  && (cmd != BIO_C_SET_SSL))
sl@0: 		return(0);
sl@0: 	switch (cmd)
sl@0: 		{
sl@0: 	case BIO_CTRL_RESET:
sl@0: 		SSL_shutdown(ssl);
sl@0: 
sl@0: 		if (ssl->handshake_func == ssl->method->ssl_connect)
sl@0: 			SSL_set_connect_state(ssl);
sl@0: 		else if (ssl->handshake_func == ssl->method->ssl_accept)
sl@0: 			SSL_set_accept_state(ssl);
sl@0: 
sl@0: 		SSL_clear(ssl);
sl@0: 
sl@0: 		if (b->next_bio != NULL)
sl@0: 			ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
sl@0: 		else if (ssl->rbio != NULL)
sl@0: 			ret=BIO_ctrl(ssl->rbio,cmd,num,ptr);
sl@0: 		else
sl@0: 			ret=1;
sl@0: 		break;
sl@0: 	case BIO_CTRL_INFO:
sl@0: 		ret=0;
sl@0: 		break;
sl@0: 	case BIO_C_SSL_MODE:
sl@0: 		if (num) /* client mode */
sl@0: 			SSL_set_connect_state(ssl);
sl@0: 		else
sl@0: 			SSL_set_accept_state(ssl);
sl@0: 		break;
sl@0: 	case BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT:
sl@0: 		ret=bs->renegotiate_timeout;
sl@0: 		if (num < 60) num=5;
sl@0: 		bs->renegotiate_timeout=(unsigned long)num;
sl@0: 		bs->last_time=(unsigned long)time(NULL);
sl@0: 		break;
sl@0: 	case BIO_C_SET_SSL_RENEGOTIATE_BYTES:
sl@0: 		ret=bs->renegotiate_count;
sl@0: 		if ((long)num >=512)
sl@0: 			bs->renegotiate_count=(unsigned long)num;
sl@0: 		break;
sl@0: 	case BIO_C_GET_SSL_NUM_RENEGOTIATES:
sl@0: 		ret=bs->num_renegotiates;
sl@0: 		break;
sl@0: 	case BIO_C_SET_SSL:
sl@0: 		if (ssl != NULL)
sl@0: 			ssl_free(b);
sl@0: 		b->shutdown=(int)num;
sl@0: 		ssl=(SSL *)ptr;
sl@0: 		((BIO_SSL *)b->ptr)->ssl=ssl;
sl@0: 		bio=SSL_get_rbio(ssl);
sl@0: 		if (bio != NULL)
sl@0: 			{
sl@0: 			if (b->next_bio != NULL)
sl@0: 				BIO_push(bio,b->next_bio);
sl@0: 			b->next_bio=bio;
sl@0: 			CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO);
sl@0: 			}
sl@0: 		b->init=1;
sl@0: 		break;
sl@0: 	case BIO_C_GET_SSL:
sl@0: 		if (ptr != NULL)
sl@0: 			{
sl@0: 			sslp=(SSL **)ptr;
sl@0: 			*sslp=ssl;
sl@0: 			}
sl@0: 		else
sl@0: 			ret=0;
sl@0: 		break;
sl@0: 	case BIO_CTRL_GET_CLOSE:
sl@0: 		ret=b->shutdown;
sl@0: 		break;
sl@0: 	case BIO_CTRL_SET_CLOSE:
sl@0: 		b->shutdown=(int)num;
sl@0: 		break;
sl@0: 	case BIO_CTRL_WPENDING:
sl@0: 		ret=BIO_ctrl(ssl->wbio,cmd,num,ptr);
sl@0: 		break;
sl@0: 	case BIO_CTRL_PENDING:
sl@0: 		ret=SSL_pending(ssl);
sl@0: 		if (ret == 0)
sl@0: 			ret=BIO_pending(ssl->rbio);
sl@0: 		break;
sl@0: 	case BIO_CTRL_FLUSH:
sl@0: 		BIO_clear_retry_flags(b);
sl@0: 		ret=BIO_ctrl(ssl->wbio,cmd,num,ptr);
sl@0: 		BIO_copy_next_retry(b);
sl@0: 		break;
sl@0: 	case BIO_CTRL_PUSH:
sl@0: 		if ((b->next_bio != NULL) && (b->next_bio != ssl->rbio))
sl@0: 			{
sl@0: 			SSL_set_bio(ssl,b->next_bio,b->next_bio);
sl@0: 			CRYPTO_add(&b->next_bio->references,1,CRYPTO_LOCK_BIO);
sl@0: 			}
sl@0: 		break;
sl@0: 	case BIO_CTRL_POP:
sl@0: 		/* ugly bit of a hack */
sl@0: 		if (ssl->rbio != ssl->wbio) /* we are in trouble :-( */
sl@0: 			{
sl@0: 			BIO_free_all(ssl->wbio);
sl@0: 			}
sl@0: 		if (b->next_bio != NULL)
sl@0: 			{
sl@0: 			CRYPTO_add(&b->next_bio->references,1,CRYPTO_LOCK_BIO);
sl@0: 			}
sl@0: 		ssl->wbio=NULL;
sl@0: 		ssl->rbio=NULL;
sl@0: 		break;
sl@0: 	case BIO_C_DO_STATE_MACHINE:
sl@0: 		BIO_clear_retry_flags(b);
sl@0: 
sl@0: 		b->retry_reason=0;
sl@0: 		ret=(int)SSL_do_handshake(ssl);
sl@0: 
sl@0: 		switch (SSL_get_error(ssl,(int)ret))
sl@0: 			{
sl@0: 		case SSL_ERROR_WANT_READ:
sl@0: 			BIO_set_flags(b,
sl@0: 				BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY);
sl@0: 			break;
sl@0: 		case SSL_ERROR_WANT_WRITE:
sl@0: 			BIO_set_flags(b,
sl@0: 				BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY);
sl@0: 			break;
sl@0: 		case SSL_ERROR_WANT_CONNECT:
sl@0: 			BIO_set_flags(b,
sl@0: 				BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY);
sl@0: 			b->retry_reason=b->next_bio->retry_reason;
sl@0: 			break;
sl@0: 		default:
sl@0: 			break;
sl@0: 			}
sl@0: 		break;
sl@0: 	case BIO_CTRL_DUP:
sl@0: 		dbio=(BIO *)ptr;
sl@0: 		if (((BIO_SSL *)dbio->ptr)->ssl != NULL)
sl@0: 			SSL_free(((BIO_SSL *)dbio->ptr)->ssl);
sl@0: 		((BIO_SSL *)dbio->ptr)->ssl=SSL_dup(ssl);
sl@0: 		((BIO_SSL *)dbio->ptr)->renegotiate_count=
sl@0: 			((BIO_SSL *)b->ptr)->renegotiate_count;
sl@0: 		((BIO_SSL *)dbio->ptr)->byte_count=
sl@0: 			((BIO_SSL *)b->ptr)->byte_count;
sl@0: 		((BIO_SSL *)dbio->ptr)->renegotiate_timeout=
sl@0: 			((BIO_SSL *)b->ptr)->renegotiate_timeout;
sl@0: 		((BIO_SSL *)dbio->ptr)->last_time=
sl@0: 			((BIO_SSL *)b->ptr)->last_time;
sl@0: 		ret=(((BIO_SSL *)dbio->ptr)->ssl != NULL);
sl@0: 		break;
sl@0: 	case BIO_C_GET_FD:
sl@0: 		ret=BIO_ctrl(ssl->rbio,cmd,num,ptr);
sl@0: 		break;
sl@0: 	case BIO_CTRL_SET_CALLBACK:
sl@0: 		{
sl@0: #if 0 /* FIXME: Should this be used?  -- Richard Levitte */
sl@0: 		SSLerr(SSL_F_SSL_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
sl@0: 		ret = -1;
sl@0: #else
sl@0: 		ret=0;
sl@0: #endif
sl@0: 		}
sl@0: 		break;
sl@0: 	case BIO_CTRL_GET_CALLBACK:
sl@0: 		{
sl@0: 		void (**fptr)(const SSL *xssl,int type,int val);
sl@0: 
sl@0: 		fptr=(void (**)(const SSL *xssl,int type,int val))ptr;
sl@0: 		*fptr=SSL_get_info_callback(ssl);
sl@0: 		}
sl@0: 		break;
sl@0: 	default:
sl@0: 		ret=BIO_ctrl(ssl->rbio,cmd,num,ptr);
sl@0: 		break;
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: static long ssl_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
sl@0: 	{
sl@0: 	SSL *ssl;
sl@0: 	BIO_SSL *bs;
sl@0: 	long ret=1;
sl@0: 
sl@0: 	bs=(BIO_SSL *)b->ptr;
sl@0: 	ssl=bs->ssl;
sl@0: 	switch (cmd)
sl@0: 		{
sl@0: 	case BIO_CTRL_SET_CALLBACK:
sl@0: 		{
sl@0: 		/* FIXME: setting this via a completely different prototype
sl@0: 		   seems like a crap idea */
sl@0: 		SSL_set_info_callback(ssl,(void (*)(const SSL *,int,int))fp);
sl@0: 		}
sl@0: 		break;
sl@0: 	default:
sl@0: 		ret=BIO_callback_ctrl(ssl->rbio,cmd,fp);
sl@0: 		break;
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: static int ssl_puts(BIO *bp, const char *str)
sl@0: 	{
sl@0: 	int n,ret;
sl@0: 
sl@0: 	n=strlen(str);
sl@0: 	ret=BIO_write(bp,str,n);
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx)
sl@0: 	{
sl@0: #ifndef OPENSSL_NO_SOCK
sl@0: 	BIO *ret=NULL,*buf=NULL,*ssl=NULL;
sl@0: 
sl@0: 	if ((buf=BIO_new(BIO_f_buffer())) == NULL)
sl@0: 		return(NULL);
sl@0: 	if ((ssl=BIO_new_ssl_connect(ctx)) == NULL)
sl@0: 		goto err;
sl@0: 	if ((ret=BIO_push(buf,ssl)) == NULL)
sl@0: 		goto err;
sl@0: 	return(ret);
sl@0: err:
sl@0: 	if (buf != NULL) BIO_free(buf);
sl@0: 	if (ssl != NULL) BIO_free(ssl);
sl@0: #endif
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C BIO *BIO_new_ssl_connect(SSL_CTX *ctx)
sl@0: 	{
sl@0: 	BIO *ret=NULL,*con=NULL,*ssl=NULL;
sl@0: 
sl@0: 	if ((con=BIO_new(BIO_s_connect())) == NULL)
sl@0: 		return(NULL);
sl@0: 	if ((ssl=BIO_new_ssl(ctx,1)) == NULL)
sl@0: 		goto err;
sl@0: 	if ((ret=BIO_push(ssl,con)) == NULL)
sl@0: 		goto err;
sl@0: 	return(ret);
sl@0: err:
sl@0: 	if (con != NULL) BIO_free(con);
sl@0: 	if (ret != NULL) BIO_free(ret);
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C BIO *BIO_new_ssl(SSL_CTX *ctx, int client)
sl@0: 	{
sl@0: 	BIO *ret;
sl@0: 	SSL *ssl;
sl@0: 
sl@0: 	if ((ret=BIO_new(BIO_f_ssl())) == NULL)
sl@0: 		return(NULL);
sl@0: 	if ((ssl=SSL_new(ctx)) == NULL)
sl@0: 		{
sl@0: 		BIO_free(ret);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 	if (client)
sl@0: 		SSL_set_connect_state(ssl);
sl@0: 	else
sl@0: 		SSL_set_accept_state(ssl);
sl@0: 		
sl@0: 	BIO_set_ssl(ret,ssl,BIO_CLOSE);
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int BIO_ssl_copy_session_id(BIO *t, BIO *f)
sl@0: 	{
sl@0: 	t=BIO_find_type(t,BIO_TYPE_SSL);
sl@0: 	f=BIO_find_type(f,BIO_TYPE_SSL);
sl@0: 	if ((t == NULL) || (f == NULL))
sl@0: 		return(0);
sl@0: 	if (	(((BIO_SSL *)t->ptr)->ssl == NULL) || 
sl@0: 		(((BIO_SSL *)f->ptr)->ssl == NULL))
sl@0: 		return(0);
sl@0: 	SSL_copy_session_id(((BIO_SSL *)t->ptr)->ssl,((BIO_SSL *)f->ptr)->ssl);
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void BIO_ssl_shutdown(BIO *b)
sl@0: 	{
sl@0: 	SSL *s;
sl@0: 
sl@0: 	while (b != NULL)
sl@0: 		{
sl@0: 		if (b->method->type == BIO_TYPE_SSL)
sl@0: 			{
sl@0: 			s=((BIO_SSL *)b->ptr)->ssl;
sl@0: 			SSL_shutdown(s);
sl@0: 			break;
sl@0: 			}
sl@0: 		b=b->next_bio;
sl@0: 		}
sl@0: 	}