Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bio/bss_conn.c

Index: openssl/crypto/bio/bss_conn.c
diff --git a/openssl/crypto/bio/bss_conn.c b/openssl/crypto/bio/bss_conn.c
deleted file mode 100644
index c14727855b259b30b1ed679948337ba2f2e95a1f..0000000000000000000000000000000000000000
--- a/openssl/crypto/bio/bss_conn.c
+++ /dev/null
@@ -1,652 +0,0 @@
-/* crypto/bio/bss_conn.c */
-/* 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 <stdio.h>
-#include <errno.h>
-#define USE_SOCKETS
-#include "cryptlib.h"
-#include <openssl/bio.h>
-
-#ifndef OPENSSL_NO_SOCK
-
-#ifdef OPENSSL_SYS_WIN16
-#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
-#else
-#define SOCKET_PROTOCOL IPPROTO_TCP
-#endif
-
-#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
-/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
-#undef FIONBIO
-#endif
-
-
-typedef struct bio_connect_st
-	{
-	int state;
-
-	char *param_hostname;
-	char *param_port;
-	int nbio;
-
-	unsigned char ip[4];
-	unsigned short port;
-
-	struct sockaddr_in them;
-
-	/* int socket; this will be kept in bio->num so that it is
-	 * compatible with the bss_sock bio */ 
-
-	/* called when the connection is initially made
-	 *  callback(BIO,state,ret);  The callback should return
-	 * 'ret'.  state is for compatibility with the ssl info_callback */
-	int (*info_callback)(const BIO *bio,int state,int ret);
-	} BIO_CONNECT;
-
-static int conn_write(BIO *h, const char *buf, int num);
-static int conn_read(BIO *h, char *buf, int size);
-static int conn_puts(BIO *h, const char *str);
-static long conn_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int conn_new(BIO *h);
-static int conn_free(BIO *data);
-static long conn_callback_ctrl(BIO *h, int cmd, bio_info_cb *);
-
-static int conn_state(BIO *b, BIO_CONNECT *c);
-static void conn_close_socket(BIO *data);
-BIO_CONNECT *BIO_CONNECT_new(void );
-void BIO_CONNECT_free(BIO_CONNECT *a);
-
-static BIO_METHOD methods_connectp=
-	{
-	BIO_TYPE_CONNECT,
-	"socket connect",
-	conn_write,
-	conn_read,
-	conn_puts,
-	NULL, /* connect_gets, */
-	conn_ctrl,
-	conn_new,
-	conn_free,
-	conn_callback_ctrl,
-	};
-
-static int conn_state(BIO *b, BIO_CONNECT *c)
-	{
-	int ret= -1,i;
-	unsigned long l;
-	char *p,*q;
-	int (*cb)(const BIO *,int,int)=NULL;
-
-	if (c->info_callback != NULL)
-		cb=c->info_callback;
-
-	for (;;)
-		{
-		switch (c->state)
-			{
-		case BIO_CONN_S_BEFORE:
-			p=c->param_hostname;
-			if (p == NULL)
-				{
-				BIOerr(BIO_F_CONN_STATE,BIO_R_NO_HOSTNAME_SPECIFIED);
-				goto exit_loop;
-				}
-			for ( ; *p != '\0'; p++)
-				{
-				if ((*p == ':') || (*p == '/')) break;
-				}
-
-			i= *p;
-			if ((i == ':') || (i == '/'))
-				{
-
-				*(p++)='\0';
-				if (i == ':')
-					{
-					for (q=p; *q; q++)
-						if (*q == '/')
-							{
-							*q='\0';
-							break;
-							}
-					if (c->param_port != NULL)
-						OPENSSL_free(c->param_port);
-					c->param_port=BUF_strdup(p);
-					}
-				}
-
-			if (c->param_port == NULL)
-				{
-				BIOerr(BIO_F_CONN_STATE,BIO_R_NO_PORT_SPECIFIED);
-				ERR_add_error_data(2,"host=",c->param_hostname);
-				goto exit_loop;
-				}
-			c->state=BIO_CONN_S_GET_IP;
-			break;
-
-		case BIO_CONN_S_GET_IP:
-			if (BIO_get_host_ip(c->param_hostname,&(c->ip[0])) <= 0)
-				goto exit_loop;
-			c->state=BIO_CONN_S_GET_PORT;
-			break;
-
-		case BIO_CONN_S_GET_PORT:
-			if (c->param_port == NULL)
-				{
-				/* abort(); */
-				goto exit_loop;
-				}
-			else if (BIO_get_port(c->param_port,&c->port) <= 0)
-				goto exit_loop;
-			c->state=BIO_CONN_S_CREATE_SOCKET;
-			break;
-
-		case BIO_CONN_S_CREATE_SOCKET:
-			/* now setup address */
-			memset((char *)&c->them,0,sizeof(c->them));
-			c->them.sin_family=AF_INET;
-			c->them.sin_port=htons((unsigned short)c->port);
-			l=(unsigned long)
-				((unsigned long)c->ip[0]<<24L)|
-				((unsigned long)c->ip[1]<<16L)|
-				((unsigned long)c->ip[2]<< 8L)|
-				((unsigned long)c->ip[3]);
-			c->them.sin_addr.s_addr=htonl(l);
-			c->state=BIO_CONN_S_CREATE_SOCKET;
-
-			ret=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
-			if (ret == INVALID_SOCKET)
-				{
-				SYSerr(SYS_F_SOCKET,get_last_socket_error());
-				ERR_add_error_data(4,"host=",c->param_hostname,
-					":",c->param_port);
-				BIOerr(BIO_F_CONN_STATE,BIO_R_UNABLE_TO_CREATE_SOCKET);
-				goto exit_loop;
-				}
-			b->num=ret;
-			c->state=BIO_CONN_S_NBIO;
-			break;
-
-		case BIO_CONN_S_NBIO:
-			if (c->nbio)
-				{
-				if (!BIO_socket_nbio(b->num,1))
-					{
-					BIOerr(BIO_F_CONN_STATE,BIO_R_ERROR_SETTING_NBIO);
-					ERR_add_error_data(4,"host=",
-						c->param_hostname,
-						":",c->param_port);
-					goto exit_loop;
-					}
-				}
-			c->state=BIO_CONN_S_CONNECT;
-
-#if defined(SO_KEEPALIVE) && !defined(OPENSSL_SYS_MPE)
-			i=1;
-			i=setsockopt(b->num,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
-			if (i < 0)
-				{
-				SYSerr(SYS_F_SOCKET,get_last_socket_error());
-				ERR_add_error_data(4,"host=",c->param_hostname,
-					":",c->param_port);
-				BIOerr(BIO_F_CONN_STATE,BIO_R_KEEPALIVE);
-				goto exit_loop;
-				}
-#endif
-			break;
-
-		case BIO_CONN_S_CONNECT:
-			BIO_clear_retry_flags(b);
-			ret=connect(b->num,
-				(struct sockaddr *)&c->them,
-				sizeof(c->them));
-			b->retry_reason=0;
-			if (ret < 0)
-				{
-				if (BIO_sock_should_retry(ret))
-					{
-					BIO_set_retry_special(b);
-					c->state=BIO_CONN_S_BLOCKED_CONNECT;
-					b->retry_reason=BIO_RR_CONNECT;
-					}
-				else
-					{
-					SYSerr(SYS_F_CONNECT,get_last_socket_error());
-					ERR_add_error_data(4,"host=",
-						c->param_hostname,
-						":",c->param_port);
-					BIOerr(BIO_F_CONN_STATE,BIO_R_CONNECT_ERROR);
-					}
-				goto exit_loop;
-				}
-			else
-				c->state=BIO_CONN_S_OK;
-			break;
-
-		case BIO_CONN_S_BLOCKED_CONNECT:
-			i=BIO_sock_error(b->num);
-			if (i)
-				{
-				BIO_clear_retry_flags(b);
-				SYSerr(SYS_F_CONNECT,i);
-				ERR_add_error_data(4,"host=",
-					c->param_hostname,
-					":",c->param_port);
-				BIOerr(BIO_F_CONN_STATE,BIO_R_NBIO_CONNECT_ERROR);
-				ret=0;
-				goto exit_loop;
-				}
-			else
-				c->state=BIO_CONN_S_OK;
-			break;
-
-		case BIO_CONN_S_OK:
-			ret=1;
-			goto exit_loop;
-		default:
-			/* abort(); */
-			goto exit_loop;
-			}
-
-		if (cb != NULL)
-			{
-			if (!(ret=cb((BIO *)b,c->state,ret)))
-				goto end;
-			}
-		}
-
-	/* Loop does not exit */
-exit_loop:
-	if (cb != NULL)
-		ret=cb((BIO *)b,c->state,ret);
-end:
-	return(ret);
-	}
-
-BIO_CONNECT *BIO_CONNECT_new(void)
-	{
-	BIO_CONNECT *ret;
-
-	if ((ret=(BIO_CONNECT *)OPENSSL_malloc(sizeof(BIO_CONNECT))) == NULL)
-		return(NULL);
-	ret->state=BIO_CONN_S_BEFORE;
-	ret->param_hostname=NULL;
-	ret->param_port=NULL;
-	ret->info_callback=NULL;
-	ret->nbio=0;
-	ret->ip[0]=0;
-	ret->ip[1]=0;
-	ret->ip[2]=0;
-	ret->ip[3]=0;
-	ret->port=0;
-	memset((char *)&ret->them,0,sizeof(ret->them));
-	return(ret);
-	}
-
-void BIO_CONNECT_free(BIO_CONNECT *a)
-	{
-	if(a == NULL)
-	    return;
-
-	if (a->param_hostname != NULL)
-		OPENSSL_free(a->param_hostname);
-	if (a->param_port != NULL)
-		OPENSSL_free(a->param_port);
-	OPENSSL_free(a);
-	}
-
-BIO_METHOD *BIO_s_connect(void)
-	{
-	return(&methods_connectp);
-	}
-
-static int conn_new(BIO *bi)
-	{
-	bi->init=0;
-	bi->num=INVALID_SOCKET;
-	bi->flags=0;
-	if ((bi->ptr=(char *)BIO_CONNECT_new()) == NULL)
-		return(0);
-	else
-		return(1);
-	}
-
-static void conn_close_socket(BIO *bio)
-	{
-	BIO_CONNECT *c;
-
-	c=(BIO_CONNECT *)bio->ptr;
-	if (bio->num != INVALID_SOCKET)
-		{
-		/* Only do a shutdown if things were established */
-		if (c->state == BIO_CONN_S_OK)
-			shutdown(bio->num,2);
-		closesocket(bio->num);
-		bio->num=INVALID_SOCKET;
-		}
-	}
-
-static int conn_free(BIO *a)
-	{
-	BIO_CONNECT *data;
-
-	if (a == NULL) return(0);
-	data=(BIO_CONNECT *)a->ptr;
-	 
-	if (a->shutdown)
-		{
-		conn_close_socket(a);
-		BIO_CONNECT_free(data);
-		a->ptr=NULL;
-		a->flags=0;
-		a->init=0;
-		}
-	return(1);
-	}
-	
-static int conn_read(BIO *b, char *out, int outl)
-	{
-	int ret=0;
-	BIO_CONNECT *data;
-
-	data=(BIO_CONNECT *)b->ptr;
-	if (data->state != BIO_CONN_S_OK)
-		{
-		ret=conn_state(b,data);
-		if (ret <= 0)
-				return(ret);
-		}
-
-	if (out != NULL)
-		{
-		clear_socket_error();
-		ret=readsocket(b->num,out,outl);
-		BIO_clear_retry_flags(b);
-		if (ret <= 0)
-			{
-			if (BIO_sock_should_retry(ret))
-				BIO_set_retry_read(b);
-			}
-		}
-	return(ret);
-	}
-
-static int conn_write(BIO *b, const char *in, int inl)
-	{
-	int ret;
-	BIO_CONNECT *data;
-
-	data=(BIO_CONNECT *)b->ptr;
-	if (data->state != BIO_CONN_S_OK)
-		{
-		ret=conn_state(b,data);
-		if (ret <= 0) return(ret);
-		}
-
-	clear_socket_error();
-	ret=writesocket(b->num,in,inl);
-	BIO_clear_retry_flags(b);
-	if (ret <= 0)
-		{
-		if (BIO_sock_should_retry(ret))
-			BIO_set_retry_write(b);
-		}
-	return(ret);
-	}
-
-static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
-	{
-	BIO *dbio;
-	int *ip;
-	const char **pptr;
-	long ret=1;
-	BIO_CONNECT *data;
-
-	data=(BIO_CONNECT *)b->ptr;
-
-	switch (cmd)
-		{
-	case BIO_CTRL_RESET:
-		ret=0;
-		data->state=BIO_CONN_S_BEFORE;
-		conn_close_socket(b);
-		b->flags=0;
-		break;
-	case BIO_C_DO_STATE_MACHINE:
-		/* use this one to start the connection */
-		if (data->state != BIO_CONN_S_OK)
-			ret=(long)conn_state(b,data);
-		else
-			ret=1;
-		break;
-	case BIO_C_GET_CONNECT:
-		if (ptr != NULL)
-			{
-			pptr=(const char **)ptr;
-			if (num == 0)
-				{
-				*pptr=data->param_hostname;
-
-				}
-			else if (num == 1)
-				{
-				*pptr=data->param_port;
-				}
-			else if (num == 2)
-				{
-				*pptr= (char *)&(data->ip[0]);
-				}
-			else if (num == 3)
-				{
-				*((int *)ptr)=data->port;
-				}
-			if ((!b->init) || (ptr == NULL))
-				*pptr="not initialized";
-			ret=1;
-			}
-		break;
-	case BIO_C_SET_CONNECT:
-		if (ptr != NULL)
-			{
-			b->init=1;
-			if (num == 0)
-				{
-				if (data->param_hostname != NULL)
-					OPENSSL_free(data->param_hostname);
-				data->param_hostname=BUF_strdup(ptr);
-				}
-			else if (num == 1)
-				{
-				if (data->param_port != NULL)
-					OPENSSL_free(data->param_port);
-				data->param_port=BUF_strdup(ptr);
-				}
-			else if (num == 2)
-				{
-				char buf[16];
-				unsigned char *p = ptr;
-
-				BIO_snprintf(buf,sizeof buf,"%d.%d.%d.%d",
-					     p[0],p[1],p[2],p[3]);
-				if (data->param_hostname != NULL)
-					OPENSSL_free(data->param_hostname);
-				data->param_hostname=BUF_strdup(buf);
-				memcpy(&(data->ip[0]),ptr,4);
-				}
-			else if (num == 3)
-				{
-				char buf[DECIMAL_SIZE(int)+1];
-
-				BIO_snprintf(buf,sizeof buf,"%d",*(int *)ptr);
-				if (data->param_port != NULL)
-					OPENSSL_free(data->param_port);
-				data->param_port=BUF_strdup(buf);
-				data->port= *(int *)ptr;
-				}
-			}
-		break;
-	case BIO_C_SET_NBIO:
-		data->nbio=(int)num;
-		break;
-	case BIO_C_GET_FD:
-		if (b->init)
-			{
-			ip=(int *)ptr;
-			if (ip != NULL)
-				*ip=b->num;
-			ret=b->num;
-			}
-		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_CTRL_DUP:
-		{
-		dbio=(BIO *)ptr;
-		if (data->param_port)
-			BIO_set_conn_port(dbio,data->param_port);
-		if (data->param_hostname)
-			BIO_set_conn_hostname(dbio,data->param_hostname);
-		BIO_set_nbio(dbio,data->nbio);
-		/* FIXME: the cast of the function seems unlikely to be a good idea */
-                (void)BIO_set_info_callback(dbio,(bio_info_cb *)data->info_callback);
-		}
-		break;
-	case BIO_CTRL_SET_CALLBACK:
-		{
-#if 0 /* FIXME: Should this be used?  -- Richard Levitte */
-		BIOerr(BIO_F_CONN_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
-		ret = -1;
-#else
-		ret=0;
-#endif
-		}
-		break;
-	case BIO_CTRL_GET_CALLBACK:
-		{
-		int (**fptr)(const BIO *bio,int state,int xret);
-
-		fptr=(int (**)(const BIO *bio,int state,int xret))ptr;
-		*fptr=data->info_callback;
-		}
-		break;
-	default:
-		ret=0;
-		break;
-		}
-	return(ret);
-	}
-
-static long conn_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
-	{
-	long ret=1;
-	BIO_CONNECT *data;
-
-	data=(BIO_CONNECT *)b->ptr;
-
-	switch (cmd)
-		{
-	case BIO_CTRL_SET_CALLBACK:
-		{
-		data->info_callback=(int (*)(const struct bio_st *, int, int))fp;
-		}
-		break;
-	default:
-		ret=0;
-		break;
-		}
-	return(ret);
-	}
-
-static int conn_puts(BIO *bp, const char *str)
-	{
-	int n,ret;
-
-	n=strlen(str);
-	ret=conn_write(bp,str,n);
-	return(ret);
-	}
-
-BIO *BIO_new_connect(char *str)
-	{
-	BIO *ret;
-
-	ret=BIO_new(BIO_s_connect());
-	if (ret == NULL) return(NULL);
-	if (BIO_set_conn_hostname(ret,str))
-		return(ret);
-	else
-		{
-		BIO_free(ret);
-		return(NULL);
-		}
-	}
-
-#endif
-