sl@0: /* crypto/bio/bss_conn.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: 
sl@0: #include <stdio.h>
sl@0: #include <errno.h>
sl@0: #define USE_SOCKETS
sl@0: #include "cryptlib.h"
sl@0: #include <openssl/bio.h>
sl@0: #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
sl@0: #include "libcrypto_wsd_macros.h"
sl@0: #include "libcrypto_wsd.h"
sl@0: #endif
sl@0: 
sl@0: #ifndef OPENSSL_NO_SOCK
sl@0: 
sl@0: #ifdef OPENSSL_SYS_WIN16
sl@0: #define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
sl@0: #else
sl@0: #define SOCKET_PROTOCOL IPPROTO_TCP
sl@0: #endif
sl@0: 
sl@0: #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
sl@0: /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
sl@0: #undef FIONBIO
sl@0: #endif
sl@0: 
sl@0: 
sl@0: typedef struct bio_connect_st
sl@0: 	{
sl@0: 	int state;
sl@0: 
sl@0: 	char *param_hostname;
sl@0: 	char *param_port;
sl@0: 	int nbio;
sl@0: 
sl@0: 	unsigned char ip[4];
sl@0: 	unsigned short port;
sl@0: 
sl@0: 	struct sockaddr_in them;
sl@0: 
sl@0: 	/* int socket; this will be kept in bio->num so that it is
sl@0: 	 * compatible with the bss_sock bio */ 
sl@0: 
sl@0: 	/* called when the connection is initially made
sl@0: 	 *  callback(BIO,state,ret);  The callback should return
sl@0: 	 * 'ret'.  state is for compatibility with the ssl info_callback */
sl@0: 	int (*info_callback)(const BIO *bio,int state,int ret);
sl@0: 	} BIO_CONNECT;
sl@0: 
sl@0: static int conn_write(BIO *h, const char *buf, int num);
sl@0: static int conn_read(BIO *h, char *buf, int size);
sl@0: static int conn_puts(BIO *h, const char *str);
sl@0: static long conn_ctrl(BIO *h, int cmd, long arg1, void *arg2);
sl@0: static int conn_new(BIO *h);
sl@0: static int conn_free(BIO *data);
sl@0: static long conn_callback_ctrl(BIO *h, int cmd, bio_info_cb *);
sl@0: 
sl@0: static int conn_state(BIO *b, BIO_CONNECT *c);
sl@0: static void conn_close_socket(BIO *data);
sl@0: BIO_CONNECT *BIO_CONNECT_new(void );
sl@0: void BIO_CONNECT_free(BIO_CONNECT *a);
sl@0: 
sl@0: #ifndef EMULATOR
sl@0: static BIO_METHOD methods_connectp=
sl@0: 	{
sl@0: 	BIO_TYPE_CONNECT,
sl@0: 	"socket connect",
sl@0: 	conn_write,
sl@0: 	conn_read,
sl@0: 	conn_puts,
sl@0: 	NULL, /* connect_gets, */
sl@0: 	conn_ctrl,
sl@0: 	conn_new,
sl@0: 	conn_free,
sl@0: 	conn_callback_ctrl,
sl@0: 	};
sl@0: #else
sl@0: 
sl@0: GET_STATIC_VAR_FROM_TLS(methods_connectp,bss_conn,BIO_METHOD)
sl@0: #define methods_connectp (*GET_WSD_VAR_NAME(methods_connectp,bss_conn,s)())
sl@0: const BIO_METHOD temp_s_methods_connectp=
sl@0: 	{
sl@0: 	BIO_TYPE_CONNECT,
sl@0: 	"socket connect",
sl@0: 	conn_write,
sl@0: 	conn_read,
sl@0: 	conn_puts,
sl@0: 	NULL, /* connect_gets, */
sl@0: 	conn_ctrl,
sl@0: 	conn_new,
sl@0: 	conn_free,
sl@0: 	conn_callback_ctrl,
sl@0: 	};
sl@0: #endif		
sl@0: 
sl@0: static int conn_state(BIO *b, BIO_CONNECT *c)
sl@0: 	{
sl@0: 	int ret= -1,i;
sl@0: 	unsigned long l;
sl@0: 	char *p,*q;
sl@0: 	int (*cb)(const BIO *,int,int)=NULL;
sl@0: 
sl@0: 	if (c->info_callback != NULL)
sl@0: 		cb=c->info_callback;
sl@0: 
sl@0: 	for (;;)
sl@0: 		{
sl@0: 		switch (c->state)
sl@0: 			{
sl@0: 		case BIO_CONN_S_BEFORE:
sl@0: 			p=c->param_hostname;
sl@0: 			if (p == NULL)
sl@0: 				{
sl@0: 				BIOerr(BIO_F_CONN_STATE,BIO_R_NO_HOSTNAME_SPECIFIED);
sl@0: 				goto exit_loop;
sl@0: 				}
sl@0: 			for ( ; *p != '\0'; p++)
sl@0: 				{
sl@0: 				if ((*p == ':') || (*p == '/')) break;
sl@0: 				}
sl@0: 
sl@0: 			i= *p;
sl@0: 			if ((i == ':') || (i == '/'))
sl@0: 				{
sl@0: 
sl@0: 				*(p++)='\0';
sl@0: 				if (i == ':')
sl@0: 					{
sl@0: 					for (q=p; *q; q++)
sl@0: 						if (*q == '/')
sl@0: 							{
sl@0: 							*q='\0';
sl@0: 							break;
sl@0: 							}
sl@0: 					if (c->param_port != NULL)
sl@0: 						OPENSSL_free(c->param_port);
sl@0: 					c->param_port=BUF_strdup(p);
sl@0: 					}
sl@0: 				}
sl@0: 
sl@0: 			if (c->param_port == NULL)
sl@0: 				{
sl@0: 				BIOerr(BIO_F_CONN_STATE,BIO_R_NO_PORT_SPECIFIED);
sl@0: 				ERR_add_error_data(2,"host=",c->param_hostname);
sl@0: 				goto exit_loop;
sl@0: 				}
sl@0: 			c->state=BIO_CONN_S_GET_IP;
sl@0: 			break;
sl@0: 
sl@0: 		case BIO_CONN_S_GET_IP:
sl@0: 			if (BIO_get_host_ip(c->param_hostname,&(c->ip[0])) <= 0)
sl@0: 				goto exit_loop;
sl@0: 			c->state=BIO_CONN_S_GET_PORT;
sl@0: 			break;
sl@0: 
sl@0: 		case BIO_CONN_S_GET_PORT:
sl@0: 			if (c->param_port == NULL)
sl@0: 				{
sl@0: 				/* abort(); */
sl@0: 				goto exit_loop;
sl@0: 				}
sl@0: 			else if (BIO_get_port(c->param_port,&c->port) <= 0)
sl@0: 				goto exit_loop;
sl@0: 			c->state=BIO_CONN_S_CREATE_SOCKET;
sl@0: 			break;
sl@0: 
sl@0: 		case BIO_CONN_S_CREATE_SOCKET:
sl@0: 			/* now setup address */
sl@0: 			memset((char *)&c->them,0,sizeof(c->them));
sl@0: 			c->them.sin_family=AF_INET;
sl@0: 			c->them.sin_port=htons((unsigned short)c->port);
sl@0: 			l=(unsigned long)
sl@0: 				((unsigned long)c->ip[0]<<24L)|
sl@0: 				((unsigned long)c->ip[1]<<16L)|
sl@0: 				((unsigned long)c->ip[2]<< 8L)|
sl@0: 				((unsigned long)c->ip[3]);
sl@0: 			c->them.sin_addr.s_addr=htonl(l);
sl@0: 			c->state=BIO_CONN_S_CREATE_SOCKET;
sl@0: 
sl@0: 			ret=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
sl@0: 			if (ret == INVALID_SOCKET)
sl@0: 				{
sl@0: 				SYSerr(SYS_F_SOCKET,get_last_socket_error());
sl@0: 				ERR_add_error_data(4,"host=",c->param_hostname,
sl@0: 					":",c->param_port);
sl@0: 				BIOerr(BIO_F_CONN_STATE,BIO_R_UNABLE_TO_CREATE_SOCKET);
sl@0: 				goto exit_loop;
sl@0: 				}
sl@0: 			b->num=ret;
sl@0: 			c->state=BIO_CONN_S_NBIO;
sl@0: 			break;
sl@0: 
sl@0: 		case BIO_CONN_S_NBIO:
sl@0: 			if (c->nbio)
sl@0: 				{
sl@0: 				if (!BIO_socket_nbio(b->num,1))
sl@0: 					{
sl@0: 					BIOerr(BIO_F_CONN_STATE,BIO_R_ERROR_SETTING_NBIO);
sl@0: 					ERR_add_error_data(4,"host=",
sl@0: 						c->param_hostname,
sl@0: 						":",c->param_port);
sl@0: 					goto exit_loop;
sl@0: 					}
sl@0: 				}
sl@0: 			c->state=BIO_CONN_S_CONNECT;
sl@0: 
sl@0: #if defined(SO_KEEPALIVE) && !defined(OPENSSL_SYS_MPE)
sl@0: 			i=1;
sl@0: 			i=setsockopt(b->num,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
sl@0: 			if (i < 0)
sl@0: 				{
sl@0: 				SYSerr(SYS_F_SOCKET,get_last_socket_error());
sl@0: 				ERR_add_error_data(4,"host=",c->param_hostname,
sl@0: 					":",c->param_port);
sl@0: 				BIOerr(BIO_F_CONN_STATE,BIO_R_KEEPALIVE);
sl@0: 				goto exit_loop;
sl@0: 				}
sl@0: #endif
sl@0: 			break;
sl@0: 
sl@0: 		case BIO_CONN_S_CONNECT:
sl@0: 			BIO_clear_retry_flags(b);
sl@0: 			ret=connect(b->num,
sl@0: 				(struct sockaddr *)&c->them,
sl@0: 				sizeof(c->them));
sl@0: 			b->retry_reason=0;
sl@0: 			if (ret < 0)
sl@0: 				{
sl@0: 				if (BIO_sock_should_retry(ret))
sl@0: 					{
sl@0: 					BIO_set_retry_special(b);
sl@0: 					c->state=BIO_CONN_S_BLOCKED_CONNECT;
sl@0: 					b->retry_reason=BIO_RR_CONNECT;
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					SYSerr(SYS_F_CONNECT,get_last_socket_error());
sl@0: 					ERR_add_error_data(4,"host=",
sl@0: 						c->param_hostname,
sl@0: 						":",c->param_port);
sl@0: 					BIOerr(BIO_F_CONN_STATE,BIO_R_CONNECT_ERROR);
sl@0: 					}
sl@0: 				goto exit_loop;
sl@0: 				}
sl@0: 			else
sl@0: 				c->state=BIO_CONN_S_OK;
sl@0: 			break;
sl@0: 
sl@0: 		case BIO_CONN_S_BLOCKED_CONNECT:
sl@0: 			i=BIO_sock_error(b->num);
sl@0: 			if (i)
sl@0: 				{
sl@0: 				BIO_clear_retry_flags(b);
sl@0: 				SYSerr(SYS_F_CONNECT,i);
sl@0: 				ERR_add_error_data(4,"host=",
sl@0: 					c->param_hostname,
sl@0: 					":",c->param_port);
sl@0: 				BIOerr(BIO_F_CONN_STATE,BIO_R_NBIO_CONNECT_ERROR);
sl@0: 				ret=0;
sl@0: 				goto exit_loop;
sl@0: 				}
sl@0: 			else
sl@0: 				c->state=BIO_CONN_S_OK;
sl@0: 			break;
sl@0: 
sl@0: 		case BIO_CONN_S_OK:
sl@0: 			ret=1;
sl@0: 			goto exit_loop;
sl@0: 		default:
sl@0: 			/* abort(); */
sl@0: 			goto exit_loop;
sl@0: 			}
sl@0: 
sl@0: 		if (cb != NULL)
sl@0: 			{
sl@0: 			if (!(ret=cb((BIO *)b,c->state,ret)))
sl@0: 				goto end;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	/* Loop does not exit */
sl@0: exit_loop:
sl@0: 	if (cb != NULL)
sl@0: 		ret=cb((BIO *)b,c->state,ret);
sl@0: end:
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C BIO_CONNECT *BIO_CONNECT_new(void)
sl@0: 	{
sl@0: 	BIO_CONNECT *ret;
sl@0: 
sl@0: 	if ((ret=(BIO_CONNECT *)OPENSSL_malloc(sizeof(BIO_CONNECT))) == NULL)
sl@0: 		return(NULL);
sl@0: 	ret->state=BIO_CONN_S_BEFORE;
sl@0: 	ret->param_hostname=NULL;
sl@0: 	ret->param_port=NULL;
sl@0: 	ret->info_callback=NULL;
sl@0: 	ret->nbio=0;
sl@0: 	ret->ip[0]=0;
sl@0: 	ret->ip[1]=0;
sl@0: 	ret->ip[2]=0;
sl@0: 	ret->ip[3]=0;
sl@0: 	ret->port=0;
sl@0: 	memset((char *)&ret->them,0,sizeof(ret->them));
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void BIO_CONNECT_free(BIO_CONNECT *a)
sl@0: 	{
sl@0: 	if(a == NULL)
sl@0: 	    return;
sl@0: 
sl@0: 	if (a->param_hostname != NULL)
sl@0: 		OPENSSL_free(a->param_hostname);
sl@0: 	if (a->param_port != NULL)
sl@0: 		OPENSSL_free(a->param_port);
sl@0: 	OPENSSL_free(a);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C BIO_METHOD *BIO_s_connect(void)
sl@0: 	{
sl@0: 	return(&methods_connectp);
sl@0: 	}
sl@0: 
sl@0: static int conn_new(BIO *bi)
sl@0: 	{
sl@0: 	bi->init=0;
sl@0: 	bi->num=INVALID_SOCKET;
sl@0: 	bi->flags=0;
sl@0: 	if ((bi->ptr=(char *)BIO_CONNECT_new()) == NULL)
sl@0: 		return(0);
sl@0: 	else
sl@0: 		return(1);
sl@0: 	}
sl@0: 
sl@0: static void conn_close_socket(BIO *bio)
sl@0: 	{
sl@0: 	BIO_CONNECT *c;
sl@0: 
sl@0: 	c=(BIO_CONNECT *)bio->ptr;
sl@0: 	if (bio->num != INVALID_SOCKET)
sl@0: 		{
sl@0: 		/* Only do a shutdown if things were established */
sl@0: 		if (c->state == BIO_CONN_S_OK)
sl@0: 			shutdown(bio->num,2);
sl@0: 		closesocket(bio->num);
sl@0: 		bio->num=INVALID_SOCKET;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: static int conn_free(BIO *a)
sl@0: 	{
sl@0: 	BIO_CONNECT *data;
sl@0: 
sl@0: 	if (a == NULL) return(0);
sl@0: 	data=(BIO_CONNECT *)a->ptr;
sl@0: 	 
sl@0: 	if (a->shutdown)
sl@0: 		{
sl@0: 		conn_close_socket(a);
sl@0: 		BIO_CONNECT_free(data);
sl@0: 		a->ptr=NULL;
sl@0: 		a->flags=0;
sl@0: 		a->init=0;
sl@0: 		}
sl@0: 	return(1);
sl@0: 	}
sl@0: 	
sl@0: static int conn_read(BIO *b, char *out, int outl)
sl@0: 	{
sl@0: 	int ret=0;
sl@0: 	BIO_CONNECT *data;
sl@0: 
sl@0: 	data=(BIO_CONNECT *)b->ptr;
sl@0: 	if (data->state != BIO_CONN_S_OK)
sl@0: 		{
sl@0: 		ret=conn_state(b,data);
sl@0: 		if (ret <= 0)
sl@0: 				return(ret);
sl@0: 		}
sl@0: 
sl@0: 	if (out != NULL)
sl@0: 		{
sl@0: 		clear_socket_error();
sl@0: 		ret=readsocket(b->num,out,outl);
sl@0: 		BIO_clear_retry_flags(b);
sl@0: 		if (ret <= 0)
sl@0: 			{
sl@0: 			if (BIO_sock_should_retry(ret))
sl@0: 				BIO_set_retry_read(b);
sl@0: 			}
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: static int conn_write(BIO *b, const char *in, int inl)
sl@0: 	{
sl@0: 	int ret;
sl@0: 	BIO_CONNECT *data;
sl@0: 
sl@0: 	data=(BIO_CONNECT *)b->ptr;
sl@0: 	if (data->state != BIO_CONN_S_OK)
sl@0: 		{
sl@0: 		ret=conn_state(b,data);
sl@0: 		if (ret <= 0) return(ret);
sl@0: 		}
sl@0: 
sl@0: 	clear_socket_error();
sl@0: 	ret=writesocket(b->num,in,inl);
sl@0: 	BIO_clear_retry_flags(b);
sl@0: 	if (ret <= 0)
sl@0: 		{
sl@0: 		if (BIO_sock_should_retry(ret))
sl@0: 			BIO_set_retry_write(b);
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
sl@0: 	{
sl@0: 	BIO *dbio;
sl@0: 	int *ip;
sl@0: 	const char **pptr;
sl@0: 	long ret=1;
sl@0: 	BIO_CONNECT *data;
sl@0: 
sl@0: 	data=(BIO_CONNECT *)b->ptr;
sl@0: 
sl@0: 	switch (cmd)
sl@0: 		{
sl@0: 	case BIO_CTRL_RESET:
sl@0: 		ret=0;
sl@0: 		data->state=BIO_CONN_S_BEFORE;
sl@0: 		conn_close_socket(b);
sl@0: 		b->flags=0;
sl@0: 		break;
sl@0: 	case BIO_C_DO_STATE_MACHINE:
sl@0: 		/* use this one to start the connection */
sl@0: 		if (data->state != BIO_CONN_S_OK)
sl@0: 		ret=(long)conn_state(b,data);
sl@0: 		else
sl@0: 			ret=1;
sl@0: 		break;
sl@0: 	case BIO_C_GET_CONNECT:
sl@0: 		if (ptr != NULL)
sl@0: 			{
sl@0: 			pptr=(const char **)ptr;
sl@0: 			if (num == 0)
sl@0: 				{
sl@0: 				*pptr=data->param_hostname;
sl@0: 
sl@0: 				}
sl@0: 			else if (num == 1)
sl@0: 				{
sl@0: 				*pptr=data->param_port;
sl@0: 				}
sl@0: 			else if (num == 2)
sl@0: 				{
sl@0: 				*pptr= (char *)&(data->ip[0]);
sl@0: 				}
sl@0: 			else if (num == 3)
sl@0: 				{
sl@0: 				*((int *)ptr)=data->port;
sl@0: 				}
sl@0: 			if ((!b->init) || (ptr == NULL))
sl@0: 				*pptr="not initialized";
sl@0: 			ret=1;
sl@0: 			}
sl@0: 		break;
sl@0: 	case BIO_C_SET_CONNECT:
sl@0: 		if (ptr != NULL)
sl@0: 			{
sl@0: 			b->init=1;
sl@0: 			if (num == 0)
sl@0: 				{
sl@0: 				if (data->param_hostname != NULL)
sl@0: 					OPENSSL_free(data->param_hostname);
sl@0: 				data->param_hostname=BUF_strdup(ptr);
sl@0: 				}
sl@0: 			else if (num == 1)
sl@0: 				{
sl@0: 				if (data->param_port != NULL)
sl@0: 					OPENSSL_free(data->param_port);
sl@0: 				data->param_port=BUF_strdup(ptr);
sl@0: 				}
sl@0: 			else if (num == 2)
sl@0: 				{
sl@0: 				char buf[16];
sl@0: 				unsigned char *p = ptr;
sl@0: 
sl@0: 				BIO_snprintf(buf,sizeof buf,"%d.%d.%d.%d",
sl@0: 					     p[0],p[1],p[2],p[3]);
sl@0: 				if (data->param_hostname != NULL)
sl@0: 					OPENSSL_free(data->param_hostname);
sl@0: 				data->param_hostname=BUF_strdup(buf);
sl@0: 				memcpy(&(data->ip[0]),ptr,4);
sl@0: 				}
sl@0: 			else if (num == 3)
sl@0: 				{
sl@0: 				char buf[DECIMAL_SIZE(int)+1];
sl@0: 
sl@0: 				BIO_snprintf(buf,sizeof buf,"%d",*(int *)ptr);
sl@0: 				if (data->param_port != NULL)
sl@0: 					OPENSSL_free(data->param_port);
sl@0: 				data->param_port=BUF_strdup(buf);
sl@0: 				data->port= *(int *)ptr;
sl@0: 				}
sl@0: 			}
sl@0: 		break;
sl@0: 	case BIO_C_SET_NBIO:
sl@0: 		data->nbio=(int)num;
sl@0: 		break;
sl@0: 	case BIO_C_GET_FD:
sl@0: 		if (b->init)
sl@0: 			{
sl@0: 			ip=(int *)ptr;
sl@0: 			if (ip != NULL)
sl@0: 				*ip=b->num;
sl@0: 			ret=b->num;
sl@0: 			}
sl@0: 		else
sl@0: 			ret= -1;
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_PENDING:
sl@0: 	case BIO_CTRL_WPENDING:
sl@0: 		ret=0;
sl@0: 		break;
sl@0: 	case BIO_CTRL_FLUSH:
sl@0: 		break;
sl@0: 	case BIO_CTRL_DUP:
sl@0: 		{
sl@0: 		dbio=(BIO *)ptr;
sl@0: 		if (data->param_port)
sl@0: 			BIO_set_conn_port(dbio,data->param_port);
sl@0: 		if (data->param_hostname)
sl@0: 			BIO_set_conn_hostname(dbio,data->param_hostname);
sl@0: 		BIO_set_nbio(dbio,data->nbio);
sl@0: 		/* FIXME: the cast of the function seems unlikely to be a good idea */
sl@0:                 (void)BIO_set_info_callback(dbio,(bio_info_cb *)data->info_callback);
sl@0: 		}
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: 		BIOerr(BIO_F_CONN_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: 		int (**fptr)(const BIO *bio,int state,int xret);
sl@0: 
sl@0: 		fptr=(int (**)(const BIO *bio,int state,int xret))ptr;
sl@0: 		*fptr=data->info_callback;
sl@0: 		}
sl@0: 		break;
sl@0: 	default:
sl@0: 		ret=0;
sl@0: 		break;
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: static long conn_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
sl@0: 	{
sl@0: 	long ret=1;
sl@0: 	BIO_CONNECT *data;
sl@0: 
sl@0: 	data=(BIO_CONNECT *)b->ptr;
sl@0: 
sl@0: 	switch (cmd)
sl@0: 		{
sl@0: 	case BIO_CTRL_SET_CALLBACK:
sl@0: 		{
sl@0: 		data->info_callback=(int (*)(const struct bio_st *, int, int))fp;
sl@0: 		}
sl@0: 		break;
sl@0: 	default:
sl@0: 		ret=0;
sl@0: 		break;
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: static int conn_puts(BIO *bp, const char *str)
sl@0: 	{
sl@0: 	int n,ret;
sl@0: 
sl@0: 	n=strlen(str);
sl@0: 	ret=conn_write(bp,str,n);
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C BIO *BIO_new_connect(char *str)
sl@0: 	{
sl@0: 	BIO *ret;
sl@0: 
sl@0: 	ret=BIO_new(BIO_s_connect());
sl@0: 	if (ret == NULL) return(NULL);
sl@0: 	if (BIO_set_conn_hostname(ret,str))
sl@0: 		return(ret);
sl@0: 	else
sl@0: 		{
sl@0: 		BIO_free(ret);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: #endif
sl@0: