Import of old SSLeay release: SSLeay 0.8.1b

20 files changed, 5765 insertions, 0 deletions

diff --git a/crypto/bio/Makefile.ssl b/crypto/bio/Makefile.ssl
new file mode 100644
index 0000000..9d21a35
--- /dev/null
+++ b/crypto/bio/Makefile.ssl
@@ -0,0 +1,92 @@
+#
+# SSLeay/crypto/bio/Makefile
+#
+
+DIR=	bio
+TOP=	../..
+CC=	cc
+INCLUDES= -I.. -I../../include
+CFLAG=-g
+INSTALLTOP=/usr/local/ssl
+MAKE=		make -f Makefile.ssl
+MAKEDEPEND=	makedepend -f Makefile.ssl
+MAKEFILE=	Makefile.ssl
+AR=		ar r
+
+CFLAGS= $(INCLUDES) $(CFLAG)
+
+ERR=bio
+ERRC=bio_err
+GENERAL=Makefile
+TEST=
+APPS=
+
+LIB=$(TOP)/libcrypto.a
+LIBSRC= bio_lib.c bio_cb.c $(ERRC).c \
+	bss_mem.c bss_null.c bss_fd.c \
+	bss_file.c bss_sock.c bss_conn.c \
+	bf_null.c bf_buff.c b_print.c b_dump.c \
+	b_sock.c bss_acpt.c bf_nbio.c
+LIBOBJ= bio_lib.o bio_cb.o $(ERRC).o \
+	bss_mem.o bss_null.o bss_fd.o \
+	bss_file.o bss_sock.o bss_conn.o \
+	bf_null.o bf_buff.o b_print.o b_dump.o \
+	b_sock.o bss_acpt.o bf_nbio.o
+
+SRC= $(LIBSRC)
+
+EXHEADER= bio.h
+HEADER=	$(EXHEADER)
+
+ALL=    $(GENERAL) $(SRC) $(HEADER)
+
+top:
+	(cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
+
+all:	lib
+
+lib:	$(LIBOBJ)
+	$(AR) $(LIB) $(LIBOBJ)
+	sh $(TOP)/util/ranlib.sh $(LIB)
+	@touch lib
+
+files:
+	perl $(TOP)/util/files.pl Makefile.ssl >> $(TOP)/MINFO
+
+links:
+	/bin/rm -f Makefile
+	$(TOP)/util/point.sh Makefile.ssl Makefile;
+	$(TOP)/util/mklink.sh ../../include $(EXHEADER)
+	$(TOP)/util/mklink.sh ../../test $(TEST)
+	$(TOP)/util/mklink.sh ../../apps $(APPS)
+
+install:
+	@for i in $(EXHEADER) ; \
+	do  \
+	(cp $$i $(INSTALLTOP)/include/$$i; \
+	chmod 644 $(INSTALLTOP)/include/$$i ); \
+	done;
+
+tags:
+	ctags $(SRC)
+
+tests:
+
+lint:
+	lint -DLINT $(INCLUDES) $(SRC)>fluff
+
+depend:
+	$(MAKEDEPEND) $(INCLUDES) $(PROGS) $(LIBSRC)
+
+dclean:
+	perl -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
+	mv -f Makefile.new $(MAKEFILE)
+
+clean:
+	/bin/rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
+
+errors:
+	perl $(TOP)/util/err-ins.pl $(ERR).err $(ERR).h
+	perl ../err/err_genc.pl $(ERR).h $(ERRC).c
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
diff --git a/crypto/bio/b_dump.c b/crypto/bio/b_dump.c
new file mode 100644
index 0000000..287aff2
--- /dev/null
+++ b/crypto/bio/b_dump.c
@@ -0,0 +1,125 @@
+/* crypto/bio/b_dump.c */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+/* 
+ * Stolen from tjh's ssl/ssl_trc.c stuff.
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include "bio.h"
+
+#define TRUNCATE
+#define DUMP_WIDTH	16
+
+int BIO_dump(bio,s,len)
+BIO *bio;
+char *s;
+int len;
+{
+  int ret=0;
+  char buf[160+1],tmp[20];
+  int i,j,rows,trunc;
+  unsigned char ch;
+
+  trunc=0;
+
+#ifdef TRUNCATE
+  for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--) 
+    trunc++;
+#endif
+
+  rows=(len/DUMP_WIDTH);
+  if ((rows*DUMP_WIDTH)<len)
+    rows++;
+  for(i=0;i<rows;i++) {
+    buf[0]='\0';	/* start with empty string */
+    sprintf(tmp,"%04x - ",i*DUMP_WIDTH);
+    strcpy(buf,tmp);
+    for(j=0;j<DUMP_WIDTH;j++) {
+      if (((i*DUMP_WIDTH)+j)>=len) {
+	strcat(buf,"   ");
+      } else {
+        ch=((unsigned char)*((char *)(s)+i*DUMP_WIDTH+j)) & 0xff;
+	sprintf(tmp,"%02x%c",ch,j==7?'-':' ');
+        strcat(buf,tmp);
+      }
+    }
+    strcat(buf,"  ");
+    for(j=0;j<DUMP_WIDTH;j++) {
+      if (((i*DUMP_WIDTH)+j)>=len)
+	break;
+      ch=((unsigned char)*((char *)(s)+i*DUMP_WIDTH+j)) & 0xff;
+      sprintf(tmp,"%c",((ch>=' ')&&(ch<='~'))?ch:'.');
+      strcat(buf,tmp);
+    }
+    strcat(buf,"\n");
+    /* if this is the last call then update the ddt_dump thing so that
+     * we will move the selection point in the debug window 
+     */
+    ret+=BIO_write(bio,(char *)buf,strlen(buf));
+  }
+#ifdef TRUNCATE
+  if (trunc > 0) {
+    sprintf(buf,"%04x - <SPACES/NULS>\n",len+trunc);
+    ret+=BIO_write(bio,(char *)buf,strlen(buf));
+  }
+#endif
+  return(ret);
+}
+
diff --git a/crypto/bio/b_print.c b/crypto/bio/b_print.c
new file mode 100644
index 0000000..0296296
--- /dev/null
+++ b/crypto/bio/b_print.c
@@ -0,0 +1,92 @@
+/* crypto/bio/b_print.c */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+/* 
+ * Stolen from tjh's ssl/ssl_trc.c stuff.
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include "bio.h"
+
+int BIO_printf ( VAR_PLIST( BIO *, bio ) )
+VAR_ALIST
+	{
+	VAR_BDEFN(args, BIO *, bio);
+	char *format;
+	int ret;
+	MS_STATIC char hugebuf[1024*2]; /* 10k in one chunk is the limit */
+
+	VAR_INIT(args, BIO *, bio);
+	VAR_ARG(args, char *, format);
+
+	hugebuf[0]='\0';
+
+/* no-one uses _doprnt anymore and it appears to be broken under SunOS 4.1.4 */
+#if 0 && defined(sun) && !defined(VAR_ANSI) /**/
+	_doprnt(hugebuf,format,args);
+#else /* !sun */
+	vsprintf(hugebuf,format,args);
+#endif /* sun */
+
+	ret=BIO_write(bio,hugebuf,strlen(hugebuf));
+
+	VAR_END( args );
+	return(ret);
+	}
+
diff --git a/crypto/bio/b_sock.c b/crypto/bio/b_sock.c
new file mode 100644
index 0000000..adab621
--- /dev/null
+++ b/crypto/bio/b_sock.c
@@ -0,0 +1,512 @@
+/* crypto/bio/b_sock.c */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+#ifndef NO_SOCK
+
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+#include "bio.h"
+
+/*	BIOerr(BIO_F_WSASTARTUP,BIO_R_WSASTARTUP ); */
+
+#ifdef WIN16
+#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
+#else
+#define SOCKET_PROTOCOL IPPROTO_TCP
+#endif
+
+#ifdef WINDOWS
+static int wsa_init_done=0;
+#endif
+
+unsigned long BIO_ghbn_hits=0L;
+unsigned long BIO_ghbn_miss=0L;
+
+#ifndef NOPROTO
+static int get_ip(char *str,unsigned char *ip);
+#else
+static int get_ip();
+#endif
+
+int BIO_get_host_ip(str,ip)
+char *str;
+unsigned char *ip;
+	{
+	int i;
+	struct hostent *he;
+
+	i=get_ip(str,ip);
+	if (i > 0) return(1);
+	if (i < 0)
+		{
+		BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_INVALID_IP_ADDRESS);
+		return(0);
+		}
+	else
+		{ /* do a gethostbyname */
+		if (!BIO_sock_init()) return(0);
+
+		he=BIO_gethostbyname(str);
+		if (he == NULL)
+			{
+			BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_BAD_HOSTNAME_LOOKUP);
+			return(0);
+			}
+
+		/* cast to short because of win16 winsock definition */
+		if ((short)he->h_addrtype != AF_INET)
+			{
+			BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET);
+			return(0);
+			}
+		for (i=0; i<4; i++)
+			ip[i]=he->h_addr_list[0][i];
+		}
+	return(1);
+	}
+
+int BIO_get_port(str,port_ptr)
+char *str;
+short *port_ptr;
+	{
+	int i;
+	struct servent *s;
+
+	if (str == NULL)
+		{
+		BIOerr(BIO_F_BIO_GET_PORT,BIO_R_NO_PORT_DEFINED);
+		return(0);
+		}
+	i=atoi(str);
+	if (i != 0)
+		*port_ptr=(unsigned short)i;
+	else
+		{
+		s=getservbyname(str,"tcp");
+		if (s == NULL)
+			{
+			if (strcmp(str,"http") == 0)
+				*port_ptr=80;
+			else if (strcmp(str,"telnet") == 0)
+				*port_ptr=23;
+			else if (strcmp(str,"socks") == 0)
+				*port_ptr=1080;
+			else if (strcmp(str,"https") == 0)
+				*port_ptr=443;
+			else if (strcmp(str,"ssl") == 0)
+				*port_ptr=443;
+			else if (strcmp(str,"ftp") == 0)
+				*port_ptr=21;
+			else if (strcmp(str,"gopher") == 0)
+				*port_ptr=70;
+#if 0
+			else if (strcmp(str,"wais") == 0)
+				*port_ptr=21;
+#endif
+			else
+				{
+				SYSerr(SYS_F_GETSERVBYNAME,errno);
+				return(0);
+				}
+			return(1);
+			}
+		*port_ptr=htons((unsigned short)s->s_port);
+		}
+	return(1);
+	}
+
+int BIO_sock_error(sock)
+int sock;
+	{
+	int j,i,size;
+		 
+	size=sizeof(int);
+
+	i=getsockopt(sock,SOL_SOCKET,SO_ERROR,(char *)&j,&size);
+	if (i < 0)
+		return(1);
+	else
+		return(j);
+	}
+
+#define GHBN_NUM	4
+static struct ghbn_cache_st
+	{
+	char name[128];
+	struct hostent ent;
+	unsigned long order;
+	} ghbn_cache[GHBN_NUM];
+
+struct hostent *BIO_gethostbyname(name)
+char *name;
+	{
+	struct hostent *ret;
+	int i,lowi=0;
+	unsigned long low= (unsigned long)-1;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_BIO_GETHOSTBYNAME);
+	if (strlen(name) < 128)
+		{
+		for (i=0; i<GHBN_NUM; i++)
+			{
+			if (low > ghbn_cache[i].order)
+				{
+				low=ghbn_cache[i].order;
+				lowi=i;
+				}
+			if (ghbn_cache[i].order > 0)
+				{
+				if (strncmp(name,ghbn_cache[i].name,128) == 0)
+					break;
+				}
+			}
+		}
+	else
+		i=GHBN_NUM;
+
+	if (i == GHBN_NUM) /* no hit*/
+		{
+		BIO_ghbn_miss++;
+		ret=gethostbyname(name);
+		if (ret == NULL) return(NULL);
+		/* else add to cache */
+		strncpy(ghbn_cache[lowi].name,name,128);
+		memcpy((char *)&(ghbn_cache[lowi].ent),ret,sizeof(struct hostent));
+		ghbn_cache[lowi].order=BIO_ghbn_miss+BIO_ghbn_hits;
+		}
+	else
+		{
+		BIO_ghbn_hits++;
+		ret= &(ghbn_cache[i].ent);
+		ghbn_cache[i].order=BIO_ghbn_miss+BIO_ghbn_hits;
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_BIO_GETHOSTBYNAME);
+	return(ret);
+	}
+
+int BIO_sock_init()
+	{
+#ifdef WINDOWS
+	static struct WSAData wsa_state;
+
+	if (!wsa_init_done)
+		{
+		int err;
+	  
+#ifdef SIGINT
+		signal(SIGINT,(void (*)(int))BIO_sock_cleanup);
+#endif
+		wsa_init_done=1;
+		memset(&wsa_state,0,sizeof(wsa_state));
+		if (WSAStartup(0x0101,&wsa_state)!=0)
+			{
+			err=WSAGetLastError();
+			SYSerr(SYS_F_WSASTARTUP,err);
+			BIOerr(BIO_F_BIO_SOCK_INIT,BIO_R_WSASTARTUP);
+			return(-1);
+			}
+		}
+#endif /* WINDOWS */
+	return(1);
+	}
+
+void BIO_sock_cleanup()
+	{
+#ifdef WINDOWS
+	if (wsa_init_done)
+		{
+		wsa_init_done=0;
+		WSACancelBlockingCall();
+		WSACleanup();
+		}
+#endif
+	}
+
+int BIO_socket_ioctl(fd,type,arg)
+int fd;
+long type;
+unsigned long *arg;
+	{
+	int i,err;
+
+#ifdef WINDOWS
+	i=ioctlsocket(fd,type,arg);
+#else
+	i=ioctl(fd,type,arg);
+#endif
+	if (i < 0)
+		{
+#ifdef WINDOWS
+		err=WSAGetLastError();
+#else
+		err=errno;
+#endif
+		SYSerr(SYS_F_IOCTLSOCKET,err);
+		}
+	return(i);
+	}
+
+/* The reason I have implemented this instead of using sscanf is because
+ * Visual C 1.52c gives an unresolved external when linking a DLL :-( */
+static int get_ip(str,ip)
+char *str;
+unsigned char ip[4];
+	{
+	unsigned int tmp[4];
+	int num=0,c,ok=0;
+
+	tmp[0]=tmp[1]=tmp[2]=tmp[3]=0;
+
+	for (;;)
+		{
+		c= *(str++);
+		if ((c >= '0') && (c <= '9'))
+			{
+			ok=1;
+			tmp[num]=tmp[num]*10+c-'0';
+			if (tmp[num] > 255) return(-1);
+			}
+		else if (c == '.')
+			{
+			if (!ok) return(-1);
+			if (num == 3) break;
+			num++;
+			ok=0;
+			}
+		else if ((num == 3) && ok)
+			break;
+		else
+			return(0);
+		}
+	ip[0]=tmp[0];
+	ip[1]=tmp[1];
+	ip[2]=tmp[2];
+	ip[3]=tmp[3];
+	return(1);
+	}
+
+int BIO_get_accept_socket(host)
+char *host;
+	{
+	int ret=0;
+	struct sockaddr_in server;
+	int s= -1;
+	unsigned char ip[4];
+	short port;
+	char *str,*h,*p,*e;
+	unsigned long l;
+
+	if (!BIO_sock_init()) return(INVALID_SOCKET);
+
+	if ((str=BUF_strdup(host)) == NULL) return(INVALID_SOCKET);
+
+	h=p=NULL;
+	h=str;
+	for (e=str; *e; e++)
+		{
+		if (*e == ':')
+			{
+			p= &(e[1]);
+			*e='\0';
+			}
+		else if (*e == '/')
+			{
+			*e='\0';
+			break;
+			}
+		}
+
+	if (p == NULL)
+		{
+		p=h;
+		h="*";
+		}
+
+	if (!BIO_get_port(p,&port)) return(INVALID_SOCKET);
+
+	memset((char *)&server,0,sizeof(server));
+	server.sin_family=AF_INET;
+	server.sin_port=htons((unsigned short)port);
+
+	if (strcmp(h,"*") == 0)
+		server.sin_addr.s_addr=INADDR_ANY;
+	else
+		{
+		if (!BIO_get_host_ip(h,&(ip[0]))) return(INVALID_SOCKET);
+		l=(unsigned long)
+			((unsigned long)ip[0]<<24L)|
+			((unsigned long)ip[0]<<16L)|
+			((unsigned long)ip[0]<< 8L)|
+			((unsigned long)ip[0]);
+		server.sin_addr.s_addr=htonl(l);
+		}
+
+	s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
+	if (s == INVALID_SOCKET)
+		{
+#ifdef WINDOWS
+		errno=WSAGetLastError();
+#endif
+		SYSerr(SYS_F_SOCKET,errno);
+		BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_BIND_SOCKET);
+		goto err;
+		}
+	if (bind(s,(struct sockaddr *)&server,sizeof(server)) == -1)
+		{
+#ifdef WINDOWS
+		errno=WSAGetLastError();
+#endif
+		SYSerr(SYS_F_BIND,errno);
+		BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_BIND_SOCKET);
+		goto err;
+		}
+	if (listen(s,5) == -1)
+		{
+#ifdef WINDOWS
+		errno=WSAGetLastError();
+#endif
+		SYSerr(SYS_F_LISTEN,errno);
+		BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_LISTEN_SOCKET);
+		goto err;
+		}
+	ret=1;
+err:
+	if (str != NULL) Free(str);
+	if ((ret == 0) && (s != INVALID_SOCKET))
+		{
+#ifdef WINDOWS
+		closesocket(s);
+#else
+		close(s);
+#endif
+		s= INVALID_SOCKET;
+		}
+	return(s);
+	}
+
+int BIO_accept(sock,addr)
+int sock;
+char **addr;
+	{
+	int ret=INVALID_SOCKET;
+	static struct sockaddr_in from;
+	unsigned long l;
+	short port;
+	int len;
+	char *p;
+
+	memset((char *)&from,0,sizeof(from));
+	len=sizeof(from);
+	ret=accept(sock,(struct sockaddr *)&from,&len);
+	if (ret == INVALID_SOCKET)
+		{
+#ifdef WINDOWS
+		errno=WSAGetLastError();
+#endif
+		SYSerr(SYS_F_ACCEPT,errno);
+		BIOerr(BIO_F_BIO_ACCEPT,BIO_R_ACCEPT_ERROR);
+		goto end;
+		}
+
+	if (addr == NULL) goto end;
+
+	l=ntohl(from.sin_addr.s_addr);
+	port=ntohs(from.sin_port);
+	if (*addr == NULL)
+		{
+		if ((p=Malloc(24)) == NULL)
+			{
+			BIOerr(BIO_F_BIO_ACCEPT,ERR_R_MALLOC_FAILURE);
+			goto end;
+			}
+		*addr=p;
+		}
+	sprintf(*addr,"%d.%d.%d.%d:%d",
+		(unsigned char)(l>>24L)&0xff,
+		(unsigned char)(l>>16L)&0xff,
+		(unsigned char)(l>> 8L)&0xff,
+		(unsigned char)(l     )&0xff,
+		port);
+end:
+	return(ret);
+	}
+
+int BIO_set_tcp_ndelay(s,on)
+int s;
+int on;
+	{
+	int ret=0;
+#if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP))
+	int opt;
+
+#ifdef SOL_TCP
+	opt=SOL_TCP;
+#else
+#ifdef IPPROTO_TCP
+	opt=IPPROTO_TCP;
+#endif
+#endif
+	
+	ret=setsockopt(s,opt,TCP_NODELAY,(char *)&on,sizeof(on));
+#endif
+	return(ret == 0);
+	}
+#endif
+
diff --git a/crypto/bio/bf_buff.c b/crypto/bio/bf_buff.c
new file mode 100644
index 0000000..ac3ba14
--- /dev/null
+++ b/crypto/bio/bf_buff.c
@@ -0,0 +1,489 @@
+/* crypto/bio/bf_buff.c */
+/* Copyright (C) 1995-1997 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>
+#include "cryptlib.h"
+#include "bio.h"
+#include "evp.h"
+
+#ifndef NOPROTO
+static int buffer_write(BIO *h,char *buf,int num);
+static int buffer_read(BIO *h,char *buf,int size);
+static int buffer_puts(BIO *h,char *str);
+static int buffer_gets(BIO *h,char *str,int size);
+static long buffer_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int buffer_new(BIO *h);
+static int buffer_free(BIO *data);
+#else
+static int buffer_write();
+static int buffer_read();
+static int buffer_puts();
+static int buffer_gets();
+static long buffer_ctrl();
+static int buffer_new();
+static int buffer_free();
+#endif
+
+#define DEFAULT_BUFFER_SIZE	1024
+
+static BIO_METHOD methods_buffer=
+	{
+	BIO_TYPE_BUFFER,"buffer",
+	buffer_write,
+	buffer_read,
+	buffer_puts,
+	buffer_gets,
+	buffer_ctrl,
+	buffer_new,
+	buffer_free,
+	};
+
+BIO_METHOD *BIO_f_buffer()
+	{
+	return(&methods_buffer);
+	}
+
+static int buffer_new(bi)
+BIO *bi;
+	{
+	BIO_F_BUFFER_CTX *ctx;
+
+	ctx=(BIO_F_BUFFER_CTX *)Malloc(sizeof(BIO_F_BUFFER_CTX));
+	if (ctx == NULL) return(0);
+	ctx->ibuf=(char *)Malloc(DEFAULT_BUFFER_SIZE);
+	if (ctx->ibuf == NULL) { Free(ctx); return(0); }
+	ctx->obuf=(char *)Malloc(DEFAULT_BUFFER_SIZE);
+	if (ctx->obuf == NULL) { Free(ctx->ibuf); Free(ctx); return(0); }
+	ctx->ibuf_size=DEFAULT_BUFFER_SIZE;
+	ctx->obuf_size=DEFAULT_BUFFER_SIZE;
+	ctx->ibuf_len=0;
+	ctx->ibuf_off=0;
+	ctx->obuf_len=0;
+	ctx->obuf_off=0;
+
+	bi->init=1;
+	bi->ptr=(char *)ctx;
+	bi->flags=0;
+	return(1);
+	}
+
+static int buffer_free(a)
+BIO *a;
+	{
+	BIO_F_BUFFER_CTX *b;
+
+	if (a == NULL) return(0);
+	b=(BIO_F_BUFFER_CTX *)a->ptr;
+	if (b->ibuf != NULL) Free(b->ibuf);
+	if (b->obuf != NULL) Free(b->obuf);
+	Free(a->ptr);
+	a->ptr=NULL;
+	a->init=0;
+	a->flags=0;
+	return(1);
+	}
+	
+static int buffer_read(b,out,outl)
+BIO *b;
+char *out;
+int outl;
+	{
+	int i,num=0;
+	BIO_F_BUFFER_CTX *ctx;
+
+	if (out == NULL) return(0);
+	ctx=(BIO_F_BUFFER_CTX *)b->ptr;
+
+	if ((ctx == NULL) || (b->next_bio == NULL)) return(0);
+	num=0;
+	BIO_clear_retry_flags(b);
+
+start:
+	i=ctx->ibuf_len;
+	/* If there is stuff left over, grab it */
+	if (i != 0)
+		{
+		if (i > outl) i=outl;
+		memcpy(out,&(ctx->ibuf[ctx->ibuf_off]),i);
+		ctx->ibuf_off+=i;
+		ctx->ibuf_len-=i;
+		num+=i;
+		if (outl == i)  return(num);
+		outl-=i;
+		out+=i;
+		}
+
+	/* We may have done a partial read. try to do more.
+	 * We have nothing in the buffer.
+	 * If we get an error and have read some data, just return it
+	 * and let them retry to get the error again.
+	 * copy direct to parent address space */
+	if (outl > ctx->ibuf_size)
+		{
+		for (;;)
+			{
+			i=BIO_read(b->next_bio,out,outl);
+			if (i <= 0)
+				{
+				BIO_copy_next_retry(b);
+				if (i < 0) return((num > 0)?num:i);
+				if (i == 0) return(num);
+				}
+			num+=i;
+			if (outl == i) return(num);
+			out+=i;
+			outl-=i;
+			}
+		}
+	/* else */
+
+	/* we are going to be doing some buffering */
+	i=BIO_read(b->next_bio,ctx->ibuf,ctx->ibuf_size);
+	if (i <= 0)
+		{
+		BIO_copy_next_retry(b);
+		if (i < 0) return((num > 0)?num:i);
+		if (i == 0) return(num);
+		}
+	ctx->ibuf_off=0;
+	ctx->ibuf_len=i;
+
+	/* Lets re-read using ourselves :-) */
+	goto start;
+	}
+
+static int buffer_write(b,in,inl)
+BIO *b;
+char *in;
+int inl;
+	{
+	int i,num=0;
+	BIO_F_BUFFER_CTX *ctx;
+
+	if ((in == NULL) || (inl <= 0)) return(0);
+	ctx=(BIO_F_BUFFER_CTX *)b->ptr;
+	if ((ctx == NULL) || (b->next_bio == NULL)) return(0);
+
+	BIO_clear_retry_flags(b);
+start:
+	i=ctx->obuf_size-(ctx->obuf_len+ctx->obuf_off);
+	/* add to buffer and return */
+	if (i >= inl)
+		{
+		memcpy(&(ctx->obuf[ctx->obuf_len]),in,inl);
+		ctx->obuf_len+=inl;
+		return(num+inl);
+		}
+	/* else */
+	/* stuff already in buffer, so add to it first, then flush */
+	if (ctx->obuf_len != 0)
+		{
+		if (i > 0) /* lets fill it up if we can */
+			{
+			memcpy(&(ctx->obuf[ctx->obuf_len]),in,i);
+			in+=i;
+			inl-=i;
+			num+=i;
+			ctx->obuf_len+=i;
+			}
+		/* we now have a full buffer needing flushing */
+		for (;;)
+			{
+			i=BIO_write(b->next_bio,&(ctx->obuf[ctx->obuf_off]),
+				ctx->obuf_len);
+			if (i <= 0)
+				{
+				BIO_copy_next_retry(b);
+
+				if (i < 0) return((num > 0)?num:i);
+				if (i == 0) return(num);
+				}
+			ctx->obuf_off+=i;
+			ctx->obuf_len-=i;
+			if (ctx->obuf_len == 0) break;
+			}
+		}
+	/* we only get here if the buffer has been flushed and we
+	 * still have stuff to write */
+	ctx->obuf_off=0;
+
+	/* we now have inl bytes to write */
+	while (inl >= ctx->obuf_size)
+		{
+		i=BIO_write(b->next_bio,in,inl);
+		if (i <= 0)
+			{
+			BIO_copy_next_retry(b);
+			if (i < 0) return((num > 0)?num:i);
+			if (i == 0) return(num);
+			}
+		num+=i;
+		in+=i;
+		inl-=i;
+		if (inl == 0) return(num);
+		}
+
+	/* copy the rest into the buffer since we have only a small 
+	 * amount left */
+	goto start;
+	}
+
+static long buffer_ctrl(b,cmd,num,ptr)
+BIO *b;
+int cmd;
+long num;
+char *ptr;
+	{
+	BIO *dbio;
+	BIO_F_BUFFER_CTX *ctx;
+	long ret=1;
+	char *p1,*p2;
+	int r,i,*ip;
+	int ibs,obs;
+
+	ctx=(BIO_F_BUFFER_CTX *)b->ptr;
+
+	switch (cmd)
+		{
+	case BIO_CTRL_RESET:
+		ctx->ibuf_off=0;
+		ctx->ibuf_len=0;
+		ctx->obuf_off=0;
+		ctx->obuf_len=0;
+		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+		break;
+	case BIO_CTRL_INFO:
+		ret=(long)ctx->obuf_len;
+		break;
+	case BIO_C_GET_BUFF_NUM_LINES:
+		ret=0;
+		p1=ctx->ibuf;
+		for (i=ctx->ibuf_off; i<ctx->ibuf_len; i++)
+			{
+			if (p1[i] == '\n') ret++;
+			}
+		break;
+	case BIO_CTRL_WPENDING:
+		ret=(long)ctx->obuf_len;
+		if (ret == 0)
+			ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+		break;
+	case BIO_CTRL_PENDING:
+		ret=(long)ctx->ibuf_len;
+		if (ret == 0)
+			ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+		break;
+	case BIO_C_SET_BUFF_SIZE:
+		if (ptr != NULL)
+			{
+			ip=(int *)ptr;
+			if (*ip == 0)
+				{
+				ibs=(int)num;
+				obs=ctx->obuf_size;
+				}
+			else /* if (*ip == 1) */
+				{
+				ibs=ctx->ibuf_size;
+				obs=(int)num;
+				}
+			}
+		else
+			{
+			ibs=(int)num;
+			obs=(int)num;
+			}
+		p1=ctx->ibuf;
+		p2=ctx->obuf;
+		if ((ibs > DEFAULT_BUFFER_SIZE) && (ibs != ctx->ibuf_size))
+			{
+			p1=(char *)Malloc((int)num);
+			if (p1 == NULL) { ret=0; break; }
+			}
+		if ((obs > DEFAULT_BUFFER_SIZE) && (obs != ctx->obuf_size))
+			{
+			p2=(char *)Malloc((int)num);
+			if (p2 == NULL)
+				{
+				ret=0;
+				if (p1 != ctx->ibuf) Free(p1);
+				break;
+				}
+			}
+		if (ctx->ibuf != p1)
+			{
+			Free(ctx->ibuf);
+			ctx->ibuf=p1;
+			ctx->ibuf_off=0;
+			ctx->ibuf_len=0;
+			ctx->ibuf_size=ibs;
+			}
+		if (ctx->obuf != p2)
+			{
+			Free(ctx->obuf);
+			ctx->obuf=p2;
+			ctx->obuf_off=0;
+			ctx->obuf_len=0;
+			ctx->obuf_size=obs;
+			}
+		break;
+	case BIO_C_DO_STATE_MACHINE:
+		BIO_clear_retry_flags(b);
+		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+		BIO_copy_next_retry(b);
+		break;
+
+	case BIO_CTRL_FLUSH:
+		if (ctx->obuf_len <= 0)
+			break;
+
+		for (;;)
+			{
+			BIO_clear_retry_flags(b);
+			if (ctx->obuf_len > ctx->obuf_off)
+				{
+				r=BIO_write(b->next_bio,
+					&(ctx->obuf[ctx->obuf_off]),
+					ctx->obuf_len-ctx->obuf_off);
+#if 0
+fprintf(stderr,"FLUSH [%3d] %3d -> %3d\n",ctx->obuf_off,ctx->obuf_len-ctx->obuf_off,r);
+#endif
+				BIO_copy_next_retry(b);
+				if (r <= 0) return((long)r);
+				ctx->obuf_off+=r;
+				}
+			else
+				{
+				ctx->obuf_len=0;
+				ctx->obuf_off=0;
+				ret=1;
+				break;
+				}
+			}
+		break;
+	case BIO_CTRL_DUP:
+		dbio=(BIO *)ptr;
+		if (	!BIO_set_read_buffer_size(dbio,ctx->ibuf_size) ||
+			!BIO_set_write_buffer_size(dbio,ctx->obuf_size))
+			ret=0;
+		break;
+	default:
+		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+		break;
+		}
+	return(ret);
+	}
+
+static int buffer_gets(b,buf,size)
+BIO *b;
+char *buf;
+int size;
+	{
+	BIO_F_BUFFER_CTX *ctx;
+	int num=0,i;
+	char *p;
+
+	ctx=(BIO_F_BUFFER_CTX *)b->ptr;
+	size--;
+	BIO_clear_retry_flags(b);
+
+	for (;;)
+		{
+		if (ctx->ibuf_len != 0)
+			{
+			p= &(ctx->ibuf[ctx->ibuf_off]);
+			for (i=0; (i<ctx->ibuf_len) && (i<(size-1)); i++)
+				{
+				*(buf++)=p[i];
+				if (p[i] == '\n') break;
+				}
+			num+=i;
+			size-=i;
+			ctx->ibuf_len-=i;
+			ctx->ibuf_off+=i;
+			if (p[i] == '\n')
+				{
+				buf[i+1]='\0';
+				ctx->ibuf_len--;
+				ctx->ibuf_off++;
+				return(num);
+				}
+			}
+		else	/* read another chunk */
+			{
+			i=BIO_read(b->next_bio,ctx->ibuf,ctx->ibuf_size);
+			if (i <= 0)
+				{
+				BIO_copy_next_retry(b);
+				if (i < 0) return((num > 0)?num:i);
+				if (i == 0) return(num);
+				}
+			ctx->ibuf_len=i;
+			ctx->ibuf_off=0;
+			}
+		}
+	}
+
+static int buffer_puts(b,str)
+BIO *b;
+char *str;
+	{
+	return(BIO_write(b,str,strlen(str)));
+	}
+
diff --git a/crypto/bio/bf_nbio.c b/crypto/bio/bf_nbio.c
new file mode 100644
index 0000000..b493100
--- /dev/null
+++ b/crypto/bio/bf_nbio.c
@@ -0,0 +1,266 @@
+/* crypto/bio/bf_nbio.c */
+/* Copyright (C) 1995-1997 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>
+#include "cryptlib.h"
+#include "rand.h"
+#include "bio.h"
+#include "evp.h"
+
+/* BIO_put and BIO_get both add to the digest,
+ * BIO_gets returns the digest */
+
+#ifndef NOPROTO
+static int nbiof_write(BIO *h,char *buf,int num);
+static int nbiof_read(BIO *h,char *buf,int size);
+static int nbiof_puts(BIO *h,char *str);
+static int nbiof_gets(BIO *h,char *str,int size);
+static long nbiof_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int nbiof_new(BIO *h);
+static int nbiof_free(BIO *data);
+#else
+static int nbiof_write();
+static int nbiof_read();
+static int nbiof_puts();
+static int nbiof_gets();
+static long nbiof_ctrl();
+static int nbiof_new();
+static int nbiof_free();
+#endif
+
+typedef struct nbio_test_st
+	{
+	/* only set if we sent a 'should retry' error */
+	int lrn;
+	int lwn;
+	} NBIO_TEST;
+
+static BIO_METHOD methods_nbiof=
+	{
+	BIO_TYPE_NBIO_TEST,"non-blocking IO test filter",
+	nbiof_write,
+	nbiof_read,
+	nbiof_puts,
+	nbiof_gets,
+	nbiof_ctrl,
+	nbiof_new,
+	nbiof_free,
+	};
+
+BIO_METHOD *BIO_f_nbio_test()
+	{
+	return(&methods_nbiof);
+	}
+
+static int nbiof_new(bi)
+BIO *bi;
+	{
+	NBIO_TEST *nt;
+
+	nt=(NBIO_TEST *)Malloc(sizeof(NBIO_TEST));
+	nt->lrn= -1;
+	nt->lwn= -1;
+	bi->ptr=(char *)nt;
+	bi->init=1;
+	bi->flags=0;
+	return(1);
+	}
+
+static int nbiof_free(a)
+BIO *a;
+	{
+	if (a == NULL) return(0);
+	if (a->ptr != NULL)
+		Free(a->ptr);
+	a->ptr=NULL;
+	a->init=0;
+	a->flags=0;
+	return(1);
+	}
+	
+static int nbiof_read(b,out,outl)
+BIO *b;
+char *out;
+int outl;
+	{
+	NBIO_TEST *nt;
+	int ret=0;
+#if 0
+	int num;
+	unsigned char n;
+#endif
+
+	if (out == NULL) return(0);
+	if (b->next_bio == NULL) return(0);
+	nt=(NBIO_TEST *)b->ptr;
+
+	BIO_clear_retry_flags(b);
+#if 0
+	RAND_bytes(&n,1);
+	num=(n&0x07);
+
+	if (outl > num) outl=num;
+
+	if (num == 0)
+		{
+		ret= -1;
+		BIO_set_retry_read(b);
+		}
+	else
+#endif
+		{
+		ret=BIO_read(b->next_bio,out,outl);
+		if (ret < 0)
+			BIO_copy_next_retry(b);
+		}
+	return(ret);
+	}
+
+static int nbiof_write(b,in,inl)
+BIO *b;
+char *in;
+int inl;
+	{
+	NBIO_TEST *nt;
+	int ret=0;
+	int num;
+	unsigned char n;
+
+	if ((in == NULL) || (inl <= 0)) return(0);
+	if (b->next_bio == NULL) return(0);
+	nt=(NBIO_TEST *)b->ptr;
+
+	BIO_clear_retry_flags(b);
+
+#if 1
+	if (nt->lwn > 0)
+		{
+		num=nt->lwn;
+		nt->lwn=0;
+		}
+	else
+		{
+		RAND_bytes(&n,1);
+		num=(n&7);
+		}
+
+	if (inl > num) inl=num;
+
+	if (num == 0)
+		{
+		ret= -1;
+		BIO_set_retry_write(b);
+		}
+	else
+#endif
+		{
+		ret=BIO_write(b->next_bio,in,inl);
+		if (ret < 0)
+			{
+			BIO_copy_next_retry(b);
+			nt->lwn=inl;
+			}
+		}
+	return(ret);
+	}
+
+static long nbiof_ctrl(b,cmd,num,ptr)
+BIO *b;
+int cmd;
+long num;
+char *ptr;
+	{
+	long ret;
+
+	if (b->next_bio == NULL) return(0);
+	switch (cmd)
+		{
+        case BIO_C_DO_STATE_MACHINE:
+		BIO_clear_retry_flags(b);
+		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+		BIO_copy_next_retry(b);
+		break;
+	case BIO_CTRL_DUP:
+		break;
+	default:
+		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+		break;
+		}
+	return(ret);
+	}
+
+static int nbiof_gets(bp,buf,size)
+BIO *bp;
+char *buf;
+int size;
+	{
+	if (bp->next_bio == NULL) return(0);
+	return(BIO_gets(bp->next_bio,buf,size));
+	}
+
+
+static int nbiof_puts(bp,str)
+BIO *bp;
+char *str;
+	{
+	if (bp->next_bio == NULL) return(0);
+	return(BIO_puts(bp->next_bio,str));
+	}
+
+
diff --git a/crypto/bio/bf_null.c b/crypto/bio/bf_null.c
new file mode 100644
index 0000000..9864f4a
--- /dev/null
+++ b/crypto/bio/bf_null.c
@@ -0,0 +1,194 @@
+/* crypto/bio/bf_null.c */
+/* Copyright (C) 1995-1997 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>
+#include "cryptlib.h"
+#include "bio.h"
+#include "evp.h"
+
+/* BIO_put and BIO_get both add to the digest,
+ * BIO_gets returns the digest */
+
+#ifndef NOPROTO
+static int nullf_write(BIO *h,char *buf,int num);
+static int nullf_read(BIO *h,char *buf,int size);
+static int nullf_puts(BIO *h,char *str);
+static int nullf_gets(BIO *h,char *str,int size);
+static long nullf_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int nullf_new(BIO *h);
+static int nullf_free(BIO *data);
+#else
+static int nullf_write();
+static int nullf_read();
+static int nullf_puts();
+static int nullf_gets();
+static long nullf_ctrl();
+static int nullf_new();
+static int nullf_free();
+#endif
+
+static BIO_METHOD methods_nullf=
+	{
+	BIO_TYPE_NULL_FILTER,"NULL filter",
+	nullf_write,
+	nullf_read,
+	nullf_puts,
+	nullf_gets,
+	nullf_ctrl,
+	nullf_new,
+	nullf_free,
+	};
+
+BIO_METHOD *BIO_f_null()
+	{
+	return(&methods_nullf);
+	}
+
+static int nullf_new(bi)
+BIO *bi;
+	{
+	bi->init=1;
+	bi->ptr=NULL;
+	bi->flags=0;
+	return(1);
+	}
+
+static int nullf_free(a)
+BIO *a;
+	{
+	if (a == NULL) return(0);
+/*	a->ptr=NULL;
+	a->init=0;
+	a->flags=0;*/
+	return(1);
+	}
+	
+static int nullf_read(b,out,outl)
+BIO *b;
+char *out;
+int outl;
+	{
+	int ret=0;
+ 
+	if (out == NULL) return(0);
+	if (b->next_bio == NULL) return(0);
+	ret=BIO_read(b->next_bio,out,outl);
+	BIO_clear_retry_flags(b);
+	BIO_copy_next_retry(b);
+	return(ret);
+	}
+
+static int nullf_write(b,in,inl)
+BIO *b;
+char *in;
+int inl;
+	{
+	int ret=0;
+
+	if ((in == NULL) || (inl <= 0)) return(0);
+	if (b->next_bio == NULL) return(0);
+	ret=BIO_write(b->next_bio,in,inl);
+	BIO_clear_retry_flags(b);
+	BIO_copy_next_retry(b);
+	return(ret);
+	}
+
+static long nullf_ctrl(b,cmd,num,ptr)
+BIO *b;
+int cmd;
+long num;
+char *ptr;
+	{
+	long ret;
+
+	if (b->next_bio == NULL) return(0);
+	switch(cmd)
+		{
+        case BIO_C_DO_STATE_MACHINE:
+		BIO_clear_retry_flags(b);
+		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+		BIO_copy_next_retry(b);
+		break;
+	case BIO_CTRL_DUP:
+		break;
+	default:
+		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+		}
+	return(ret);
+	}
+
+static int nullf_gets(bp,buf,size)
+BIO *bp;
+char *buf;
+int size;
+	{
+	if (bp->next_bio == NULL) return(0);
+	return(BIO_gets(bp->next_bio,buf,size));
+	}
+
+
+static int nullf_puts(bp,str)
+BIO *bp;
+char *str;
+	{
+	if (bp->next_bio == NULL) return(0);
+	return(BIO_puts(bp->next_bio,str));
+	}
+
+
diff --git a/crypto/bio/bio.err b/crypto/bio/bio.err
new file mode 100644
index 0000000..3363971
--- /dev/null
+++ b/crypto/bio/bio.err
@@ -0,0 +1,43 @@
+/* Error codes for the BIO functions. */
+
+/* Function codes. */
+#define BIO_F_ACPT_STATE				 100
+#define BIO_F_BIO_ACCEPT				 101
+#define BIO_F_BIO_CTRL					 102
+#define BIO_F_BIO_GETS					 103
+#define BIO_F_BIO_GET_ACCEPT_SOCKET			 104
+#define BIO_F_BIO_GET_HOST_IP				 105
+#define BIO_F_BIO_GET_PORT				 106
+#define BIO_F_BIO_NEW					 107
+#define BIO_F_BIO_NEW_FILE				 108
+#define BIO_F_BIO_PUTS					 109
+#define BIO_F_BIO_READ					 110
+#define BIO_F_BIO_SOCK_INIT				 111
+#define BIO_F_BIO_WRITE					 112
+#define BIO_F_CONN_STATE				 113
+#define BIO_F_FILE_CTRL					 114
+#define BIO_F_MEM_WRITE					 115
+#define BIO_F_WSASTARTUP				 116
+
+/* Reason codes. */
+#define BIO_R_ACCEPT_ERROR				 100
+#define BIO_R_BAD_FOPEN_MODE				 101
+#define BIO_R_BAD_HOSTNAME_LOOKUP			 102
+#define BIO_R_CONNECT_ERROR				 103
+#define BIO_R_ERROR_SETTING_NBIO			 104
+#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET	 105
+#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET	 106
+#define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET		 107
+#define BIO_R_INVALID_IP_ADDRESS			 108
+#define BIO_R_NBIO_CONNECT_ERROR			 109
+#define BIO_R_NO_ACCEPT_PORT_SPECIFIED			 110
+#define BIO_R_NO_HOSTHNAME_SPECIFIED			 111
+#define BIO_R_NO_PORT_DEFINED				 112
+#define BIO_R_NO_PORT_SPECIFIED				 113
+#define BIO_R_NULL_PARAMETER				 114
+#define BIO_R_UNABLE_TO_BIND_SOCKET			 115
+#define BIO_R_UNABLE_TO_CREATE_SOCKET			 116
+#define BIO_R_UNABLE_TO_LISTEN_SOCKET			 117
+#define BIO_R_UNINITALISED				 118
+#define BIO_R_UNSUPPORTED_METHOD			 119
+#define BIO_R_WSASTARTUP				 120
diff --git a/crypto/bio/bio.h b/crypto/bio/bio.h
new file mode 100644
index 0000000..0b2c6e7
--- /dev/null
+++ b/crypto/bio/bio.h
@@ -0,0 +1,597 @@
+/* crypto/bio/bio.h */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+#ifndef HEADER_BIO_H
+#define HEADER_BIO_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/* These are the 'types' of BIOs */
+#define BIO_TYPE_NONE		0
+#define BIO_TYPE_MEM		(1|0x0400)
+#define BIO_TYPE_FILE		(2|0x0400)
+
+#define BIO_TYPE_FD		(4|0x0400|0x0100)
+#define BIO_TYPE_SOCKET		(5|0x0400|0x0100)
+#define BIO_TYPE_NULL		(6|0x0400)
+#define BIO_TYPE_SSL		(7|0x0200)
+#define BIO_TYPE_MD		(8|0x0200)		/* pasive filter */
+#define BIO_TYPE_BUFFER		(9|0x0200)		/* filter */
+#define BIO_TYPE_CIPHER		(10|0x0200)		/* filter */
+#define BIO_TYPE_BASE64		(11|0x0200)		/* filter */
+#define BIO_TYPE_CONNECT	(12|0x0400|0x0100)	/* socket - connect */
+#define BIO_TYPE_ACCEPT		(13|0x0400|0x0100)	/* socket for accept */
+#define BIO_TYPE_PROXY_CLIENT	(14|0x0400)		/* client proxy BIO */
+#define BIO_TYPE_PROXY_SERVER	(15|0x0200)		/* server proxy BIO */
+#define BIO_TYPE_NBIO_TEST	(16|0x0200)		/* server proxy BIO */
+#define BIO_TYPE_NULL_FILTER	(17|0x0200)
+
+#define BIO_TYPE_DESCRIPTOR	0x0100	/* socket, fd, connect or accept */
+#define BIO_TYPE_FILTER		0x0200
+#define BIO_TYPE_SOURCE_SINK	0x0400
+
+/* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
+ * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
+#define BIO_NOCLOSE		0x00
+#define BIO_CLOSE		0x01
+
+/* These are used in the following macros and are passed to
+ * BIO_ctrl() */
+#define BIO_CTRL_RESET		1  /* opt - rewind/zero etc */
+#define BIO_CTRL_EOF		2  /* opt - are we at the eof */
+#define BIO_CTRL_INFO		3  /* opt - extra tit-bits */
+#define BIO_CTRL_SET		4  /* man - set the 'IO' type */
+#define BIO_CTRL_GET		5  /* man - get the 'IO' type */
+#define BIO_CTRL_PUSH		6  /* opt - internal, used to signify change */
+#define BIO_CTRL_POP		7  /* opt - internal, used to signify change */
+#define BIO_CTRL_GET_CLOSE	8  /* man - set the 'close' on free */
+#define BIO_CTRL_SET_CLOSE	9  /* man - set the 'close' on free */
+#define BIO_CTRL_PENDING	10  /* opt - is their more data buffered */
+#define BIO_CTRL_FLUSH		11  /* opt - 'flush' buffered output */
+#define BIO_CTRL_DUP		12  /* man - extra stuff for 'duped' BIO */
+#define BIO_CTRL_WPENDING	13  /* opt - number of bytes still to write */
+
+#define BIO_CTRL_SET_FILENAME	30	/* BIO_s_file special */
+
+/* modifiers */
+#define BIO_FP_READ		0x02
+#define BIO_FP_WRITE		0x04
+#define BIO_FP_APPEND		0x08
+#define BIO_FP_TEXT		0x10
+
+#define BIO_FLAGS_READ		0x01
+#define BIO_FLAGS_WRITE		0x02
+#define BIO_FLAGS_IO_SPECIAL	0x04
+#define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
+#define BIO_FLAGS_SHOULD_RETRY	0x08
+
+/* Mostly used in the SSL BIO */
+#define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
+#define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
+#define BIO_FLAGS_PROTOCOL_STARTUP	0x40
+
+#define BIO_set_flags(b,f) ((b)->flags|=(f))
+#define BIO_set_retry_special(b) \
+		((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
+#define BIO_set_retry_read(b) \
+		((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
+#define BIO_set_retry_write(b) \
+		((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
+
+/* These are normally used internally in BIOs */
+#define BIO_clear_flags(b,f) ((b)->flags&= ~(f))
+#define BIO_clear_retry_flags(b) \
+		((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
+#define BIO_get_retry_flags(b) \
+		((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
+
+/* These shouldbe used by the application to tell why we should retry */
+#define BIO_should_read(a)		((a)->flags & BIO_FLAGS_READ)
+#define BIO_should_write(a)		((a)->flags & BIO_FLAGS_WRITE)
+#define BIO_should_io_special(a)	((a)->flags & BIO_FLAGS_IO_SPECIAL)
+#define BIO_retry_type(a)		((a)->flags & BIO_FLAGS_RWS)
+#define BIO_should_retry(a)		((a)->flags & BIO_FLAGS_SHOULD_RETRY)
+
+/* The next two are used in conjunction with the
+ * BIO_should_io_special() condition.  After this returns true,
+ * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO 
+ * stack and return the 'reason' for the special and the offending BIO.
+ * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
+/* Returned from the SSL bio when the certificate retrieval code had an error */
+#define BIO_RR_SSL_X509_LOOKUP		0x01
+/* Returned from the connect BIO when a connect would have blocked */
+#define BIO_RR_CONNECT			0x02
+
+/* These are passed by the BIO callback */
+#define BIO_CB_FREE	0x01
+#define BIO_CB_READ	0x02
+#define BIO_CB_WRITE	0x03
+#define BIO_CB_PUTS	0x04
+#define BIO_CB_GETS	0x05
+#define BIO_CB_CTRL	0x06
+
+/* The callback is called before and after the underling operation,
+ * The BIO_CB_RETURN flag indicates if it is after the call */
+#define BIO_CB_RETURN	0x80
+#define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
+#define BIO_cb_pre(a)	(!((a)&BIO_CB_RETURN))
+#define BIO_cb_post(a)	((a)&BIO_CB_RETURN)
+
+#define BIO_set_callback(b,cb)		((b)->callback=(cb))
+#define BIO_set_callback_arg(b,arg)	((b)->cb_arg=(char *)(arg))
+#define BIO_get_callback_arg(b)		((b)->cb_arg)
+#define BIO_get_callback(b)		((b)->callback)
+#define BIO_method_name(b)		((b)->method->name)
+#define BIO_method_type(b)		((b)->method->type)
+
+#ifndef WIN16
+typedef struct bio_method_st
+	{
+	int type;
+	char *name;
+	int (*bwrite)();
+	int (*bread)();
+	int (*bputs)();
+	int (*bgets)();
+	long (*ctrl)();
+	int (*create)();
+	int (*destroy)();
+	} BIO_METHOD;
+#else
+typedef struct bio_method_st
+	{
+	int type;
+	char *name;
+	int (_far *bwrite)();
+	int (_far *bread)();
+	int (_far *bputs)();
+	int (_far *bgets)();
+	long (_far *ctrl)();
+	int (_far *create)();
+	int (_far *destroy)();
+	} BIO_METHOD;
+#endif
+
+typedef struct bio_st
+	{
+	BIO_METHOD *method;
+#ifndef NOPROTO
+	/* bio, mode, argp, argi, argl, ret */
+	long (*callback)(struct bio_st *,int,char *,int, long,long);
+#else
+	long (*callback)();
+#endif
+	char *cb_arg; /* first argument for the callback */
+
+	int init;
+	int shutdown;
+	int flags;	/* extra storage */
+	int retry_reason;
+	int num;
+	char *ptr;
+	struct bio_st *next_bio;	/* used by filter BIOs */
+	struct bio_st *prev_bio;	/* used by filter BIOs */
+	int references;
+	unsigned long num_read;
+	unsigned long num_write;
+
+	char *app_data;
+	} BIO;
+
+typedef struct bio_f_buffer_ctx_struct
+	{
+	/* BIO *bio; */ /* this is now in the BIO struct */
+	int ibuf_size;	/* how big is the input buffer */
+	int obuf_size;	/* how big is the output buffer */
+
+	char *ibuf;		/* the char array */
+	int ibuf_len;		/* how many bytes are in it */
+	int ibuf_off;		/* write/read offset */
+
+	char *obuf;		/* the char array */
+	int obuf_len;		/* how many bytes are in it */
+	int obuf_off;		/* write/read offset */
+	} BIO_F_BUFFER_CTX;
+
+#define BIO_number_read(b)	((b)->num_read)
+#define BIO_number_written(b)	((b)->num_write)
+
+#define BIO_C_SET_CONNECT			100
+#define BIO_C_DO_STATE_MACHINE			101
+#define BIO_C_SET_NBIO				102
+#define BIO_C_SET_PROXY_PARAM			103
+#define BIO_C_SET_FD				104
+#define BIO_C_GET_FD				105
+#define BIO_C_SET_FILE_PTR			106
+#define BIO_C_GET_FILE_PTR			107
+#define BIO_C_SET_FILENAME			108
+#define BIO_C_SET_SSL				109
+#define BIO_C_GET_SSL				110
+#define BIO_C_SET_MD				111
+#define BIO_C_GET_MD				112
+#define BIO_C_GET_CIPHER_STATUS			113
+#define BIO_C_SET_BUF_MEM			114
+#define BIO_C_GET_BUF_MEM_PTR			115
+#define BIO_C_GET_BUFF_NUM_LINES		116
+#define BIO_C_SET_BUFF_SIZE			117
+#define BIO_C_SET_ACCEPT			118
+#define BIO_C_SSL_MODE				119
+#define BIO_C_GET_MD_CTX			120
+#define BIO_C_GET_PROXY_PARAM			121
+
+#define BIO_set_app_data(s,arg)		((s)->app_data=(char *)arg)
+#define BIO_get_app_data(s)		((s)->app_data)
+
+/* BIO_s_connect_socket() */
+#define BIO_set_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
+#define BIO_set_port(b,port)	BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
+#define BIO_set_nbio(b,n)	BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
+
+/* BIO_s_accept_socket() */
+#define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
+/* #define BIO_set_nbio(b,n)	BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
+#define BIO_set_nbio_accpet(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL)
+#define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
+
+#define BIO_do_connect(b)	BIO_do_handshake(b)
+#define BIO_do_accept(b)	BIO_do_handshake(b)
+#define BIO_do_handshake(b)	BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
+
+/* BIO_s_proxy_client() */
+#define BIO_set_url(b,url)	BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
+#define BIO_set_proxies(b,p)	BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
+/* BIO_set_nbio(b,n) */
+#define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
+/* BIO *BIO_get_filter_bio(BIO *bio); */
+#define BIO_set_proxy_cb(b,cb) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(char *)(cb))
+#define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
+
+#define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
+#define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
+#define BIO_get_url(b,url)	BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
+
+#define BIO_set_fd(b,fd,c)	BIO_ctrl_int(b,BIO_C_SET_FD,c,fd)
+#define BIO_get_fd(b,c)		BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
+
+#define BIO_set_fp(b,fp,c)	BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
+#define BIO_get_fp(b,fpp)	BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
+
+#define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
+		BIO_CLOSE|BIO_FP_READ,name)
+#define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
+		BIO_CLOSE|BIO_FP_WRITE,name)
+#define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
+		BIO_CLOSE|BIO_FP_APPEND,name)
+
+#define BIO_set_ssl(b,ssl,c)	BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
+#define BIO_get_ssl(b,sslp)	BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
+#define BIO_set_ssl_mode(b,client)	BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
+
+/* defined in evp.h */
+/* #define BIO_set_md(b,md)	BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
+
+#define BIO_set_mem_buf(b,bm,c)	BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
+#define BIO_get_mem_ptr(b,pp)	BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
+
+/* For the BIO_f_buffer() type */
+#define BIO_get_buffer_num_lines(b)	BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
+#define BIO_set_buffer_size(b,size)	BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
+#define BIO_set_read_buffer_size(b,size) BIO_ctrl_int(b,BIO_C_SET_BUFF_SIZE,size,0)
+#define BIO_set_write_buffer_size(b,size) BIO_ctrl_int(b,BIO_C_SET_BUFF_SIZE,size,1)
+
+/* Don't use the next one unless you know what you are doing :-) */
+#define BIO_dup_state(b,ret)	BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)ret)
+
+#define BIO_reset(b)		(int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
+#define BIO_eof(b)		(int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
+#define BIO_set_close(b,c)	(int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
+#define BIO_get_close(b)	(int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
+#define BIO_pending(b)		(int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
+#define BIO_wpending(b)		(int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
+#define BIO_flush(b)		(int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
+
+/* For the BIO_f_buffer() type */
+#define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
+
+#ifndef NOPROTO
+BIO *	BIO_new(BIO_METHOD *type);
+int	BIO_set(BIO *a,BIO_METHOD *type);
+int	BIO_free(BIO *a);
+int	BIO_read(BIO *b, char *data, int len);
+int	BIO_gets(BIO *bp,char *buf, int size);
+int	BIO_write(BIO *b, char *data, int len);
+int	BIO_puts(BIO *bp,char *buf);
+long	BIO_ctrl(BIO *bp,int cmd,long larg,char *parg);
+long	BIO_ctrl_int(BIO *bp,int cmd,long larg,int iarg);
+BIO *	BIO_push(BIO *b,BIO *append);
+BIO *	BIO_pop(BIO *b);
+void	BIO_free_all(BIO *a);
+BIO *	BIO_find_type(BIO *b,int bio_type);
+BIO *	BIO_get_retry_BIO(BIO *bio, int *reason);
+int	BIO_get_retry_reason(BIO *bio);
+BIO *	BIO_dup_chain(BIO *in);
+
+#ifndef WIN16
+long BIO_debug_callback(BIO *bio,int cmd,char *argp,int argi,
+	long argl,long ret);
+#else
+long _far _loadds BIO_debug_callback(BIO *bio,int cmd,char *argp,int argi,
+	long argl,long ret);
+#endif
+
+#if !defined(WIN16) || defined(APPS_WIN16)
+BIO_METHOD *BIO_s_file(void);
+#else
+BIO_METHOD *BIO_s_file_internal_w16(void);
+#endif
+
+BIO_METHOD *BIO_s_mem(void);
+BIO_METHOD *BIO_s_socket(void);
+BIO_METHOD *BIO_s_connect(void);
+BIO_METHOD *BIO_s_accept(void);
+BIO_METHOD *BIO_s_fd(void);
+BIO_METHOD *BIO_s_null(void);
+BIO_METHOD *BIO_f_null(void);
+BIO_METHOD *BIO_f_nbio_test(void);
+BIO_METHOD *BIO_f_buffer(void);
+
+int BIO_sock_should_retry(int i);
+int BIO_sock_non_fatal_error(int error);
+int BIO_fd_should_retry(int i);
+int BIO_fd_non_fatal_error(int error);
+int BIO_dump(BIO *b,char *bytes,int len);
+
+struct hostent *BIO_gethostbyname(char *name);
+int BIO_sock_error(int sock);
+int BIO_socket_ioctl(int fd, long type, unsigned long *arg);
+int BIO_get_port(char *str, short *port_ptr);
+int BIO_get_host_ip(char *str, unsigned char *ip);
+int BIO_get_accept_socket(char *host_port);
+int BIO_accept(int sock,char **ip_port);
+int BIO_sock_init(void );
+void BIO_sock_cleanup(void);
+int BIO_set_tcp_ndelay(int sock,int turn_on);
+
+void ERR_load_BIO_strings(void );
+
+#if !defined(WIN16) || defined(APPS_WIN16)
+BIO *BIO_new_file(char *filename, char *mode);
+BIO *BIO_new_fp(FILE *stream, int close_flag);
+#endif
+BIO *BIO_new_socket(int sock, int close_flag);
+BIO *BIO_new_fd(int fd, int close_flag);
+BIO *BIO_new_connect(char *host_port);
+BIO *BIO_new_accept(char *host_port);
+
+void BIO_copy_next_retry(BIO *b);
+
+#else
+
+BIO *	BIO_new();
+int	BIO_set();
+int	BIO_free();
+int	BIO_read();
+int	BIO_gets();
+int	BIO_write();
+int	BIO_puts();
+long	BIO_ctrl();
+long	BIO_ctrl_int();
+BIO *	BIO_push();
+BIO *	BIO_pop();
+void	BIO_free_all();
+BIO *	BIO_find_type();
+BIO *	BIO_get_retry_BIO();
+int	BIO_get_retry_reason();
+BIO *	BIO_dup_chain();
+
+#ifndef WIN16
+long BIO_debug_callback();
+#else
+long _far _loadds BIO_debug_callback();
+#endif
+
+#if !defined(WIN16) || defined(APPS_WIN16)
+BIO_METHOD *BIO_s_file();
+#else
+BIO_METHOD *BIO_s_file_internal_w16();
+#endif
+
+BIO_METHOD *BIO_s_mem();
+BIO_METHOD *BIO_s_socket();
+BIO_METHOD *BIO_s_connect();
+BIO_METHOD *BIO_s_accept();
+BIO_METHOD *BIO_s_fd();
+BIO_METHOD *BIO_s_null();
+BIO_METHOD *BIO_f_null();
+BIO_METHOD *BIO_f_buffer();
+BIO_METHOD *BIO_f_nbio_test();
+
+int BIO_sock_should_retry();
+int BIO_sock_non_fatal_error();
+int BIO_fd_should_retry();
+int BIO_fd_non_fatal_error();
+int BIO_dump();
+
+struct hostent *BIO_gethostbyname();
+int BIO_sock_error();
+int BIO_socket_ioctl();
+int BIO_get_port();
+int BIO_get_host_ip();
+int BIO_get_accept_socket();
+int BIO_accept();
+int BIO_sock_init();
+void BIO_sock_cleanup();
+int BIO_set_tcp_ndelay();
+
+void ERR_load_BIO_strings();
+
+#if !defined(WIN16) || defined(APPS_WIN16)
+BIO *BIO_new_file();
+BIO *BIO_new_fp();
+#endif
+BIO *BIO_new_socket();
+BIO *BIO_new_fd();
+BIO *BIO_new_connect();
+BIO *BIO_new_accept();
+
+void BIO_copy_next_retry();
+
+#endif
+
+/* Tim Hudson's portable varargs stuff */
+
+#ifndef NOPROTO
+#define VAR_ANSI	/* select ANSI version by default */
+#endif
+
+#ifdef VAR_ANSI
+/* ANSI version of a "portable" macro set for variable length args */
+#ifndef __STDARG_H__ /**/
+#include <stdarg.h>
+#endif /**/
+
+#define VAR_PLIST(arg1type,arg1)    arg1type arg1, ...
+#define VAR_PLIST2(arg1type,arg1,arg2type,arg2) arg1type arg1,arg2type arg2,...
+#define VAR_ALIST
+#define VAR_BDEFN(args,arg1type,arg1)   va_list args
+#define VAR_BDEFN2(args,arg1type,arg1,arg2type,arg2)    va_list args
+#define VAR_INIT(args,arg1type,arg1)    va_start(args,arg1);
+#define VAR_INIT2(args,arg1type,arg1,arg2type,arg2) va_start(args,arg2);
+#define VAR_ARG(args,type,arg)	arg=va_arg(args,type)
+#define VAR_END(args)		va_end(args);
+
+#else
+
+/* K&R version of a "portable" macro set for variable length args */
+#ifndef __VARARGS_H__
+#include <varargs.h>
+#endif
+
+#define VAR_PLIST(arg1type,arg1)	va_alist
+#define VAR_PLIST2(arg1type,arg1,arg2type,arg2) va_alist
+#define VAR_ALIST		va_dcl
+#define VAR_BDEFN(args,arg1type,arg1)	va_list args; arg1type arg1
+#define VAR_BDEFN2(args,arg1type,arg1,arg2type,arg2)    va_list args; \
+	arg1type arg1; arg2type arg2
+#define VAR_INIT(args,arg1type,arg1)	va_start(args); \
+	arg1=va_arg(args,arg1type);
+#define VAR_INIT2(args,arg1type,arg1,arg2type,arg2) va_start(args); \
+	arg1=va_arg(args,arg1type);	arg2=va_arg(args,arg2type);
+#define VAR_ARG(args,type,arg)		arg=va_arg(args,type)
+#define VAR_END(args)			va_end(args);
+
+#endif
+
+#ifndef NOPROTO
+int BIO_printf( VAR_PLIST( BIO *, bio ) );
+#else
+int BIO_printf();
+#endif
+
+/* BEGIN ERROR CODES */
+/* Error codes for the BIO functions. */
+
+/* Function codes. */
+#define BIO_F_ACPT_STATE				 100
+#define BIO_F_BIO_ACCEPT				 101
+#define BIO_F_BIO_CTRL					 102
+#define BIO_F_BIO_GETS					 103
+#define BIO_F_BIO_GET_ACCEPT_SOCKET			 104
+#define BIO_F_BIO_GET_HOST_IP				 105
+#define BIO_F_BIO_GET_PORT				 106
+#define BIO_F_BIO_NEW					 107
+#define BIO_F_BIO_NEW_FILE				 108
+#define BIO_F_BIO_PUTS					 109
+#define BIO_F_BIO_READ					 110
+#define BIO_F_BIO_SOCK_INIT				 111
+#define BIO_F_BIO_WRITE					 112
+#define BIO_F_CONN_STATE				 113
+#define BIO_F_FILE_CTRL					 114
+#define BIO_F_MEM_WRITE					 115
+#define BIO_F_WSASTARTUP				 116
+
+/* Reason codes. */
+#define BIO_R_ACCEPT_ERROR				 100
+#define BIO_R_BAD_FOPEN_MODE				 101
+#define BIO_R_BAD_HOSTNAME_LOOKUP			 102
+#define BIO_R_CONNECT_ERROR				 103
+#define BIO_R_ERROR_SETTING_NBIO			 104
+#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET	 105
+#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET	 106
+#define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET		 107
+#define BIO_R_INVALID_IP_ADDRESS			 108
+#define BIO_R_NBIO_CONNECT_ERROR			 109
+#define BIO_R_NO_ACCEPT_PORT_SPECIFIED			 110
+#define BIO_R_NO_HOSTHNAME_SPECIFIED			 111
+#define BIO_R_NO_PORT_DEFINED				 112
+#define BIO_R_NO_PORT_SPECIFIED				 113
+#define BIO_R_NULL_PARAMETER				 114
+#define BIO_R_UNABLE_TO_BIND_SOCKET			 115
+#define BIO_R_UNABLE_TO_CREATE_SOCKET			 116
+#define BIO_R_UNABLE_TO_LISTEN_SOCKET			 117
+#define BIO_R_UNINITALISED				 118
+#define BIO_R_UNSUPPORTED_METHOD			 119
+#define BIO_R_WSASTARTUP				 120
+ 
+#ifdef  __cplusplus
+}
+#endif
+#endif
+
diff --git a/crypto/bio/bio_cb.c b/crypto/bio/bio_cb.c
new file mode 100644
index 0000000..2f98cd1
--- /dev/null
+++ b/crypto/bio/bio_cb.c
@@ -0,0 +1,132 @@
+/* crypto/bio/bio_cb.c */
+/* Copyright (C) 1995-1997 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 <string.h>
+#include <stdlib.h>
+#include "cryptlib.h"
+#include "bio.h"
+#include "err.h"
+
+long MS_CALLBACK BIO_debug_callback(bio,cmd,argp,argi,argl,ret)
+BIO *bio;
+int cmd;
+char *argp;
+int argi;
+long argl;
+long ret;
+	{
+	BIO *b;
+	MS_STATIC char buf[256];
+	char *p;
+	long r=1;
+
+	if (BIO_CB_RETURN & cmd)
+		r=ret;
+
+	sprintf(buf,"BIO[%08lX]:",(unsigned long)bio);
+	p= &(buf[14]);
+	switch (cmd)
+		{
+	case BIO_CB_FREE:
+		sprintf(p,"Free - %s\n",bio->method->name);
+		break;
+	case BIO_CB_READ:
+		sprintf(p,"read(%d,%d) - %s\n",bio->num,argi,bio->method->name);
+		break;
+	case BIO_CB_WRITE:
+		sprintf(p,"write(%d,%d) - %s\n",bio->num,argi,bio->method->name);
+		break;
+	case BIO_CB_PUTS:
+		sprintf(p,"puts() - %s\n",bio->method->name);
+		break;
+	case BIO_CB_GETS:
+		sprintf(p,"gets(%d) - %s\n",argi,bio->method->name);
+		break;
+	case BIO_CB_CTRL:
+		sprintf(p,"ctrl(%d) - %s\n",argi,bio->method->name);
+		break;
+	case BIO_CB_RETURN|BIO_CB_READ:
+		sprintf(p,"read return %ld\n",ret);
+		break;
+	case BIO_CB_RETURN|BIO_CB_WRITE:
+		sprintf(p,"write return %ld\n",ret);
+		break;
+	case BIO_CB_RETURN|BIO_CB_GETS:
+		sprintf(p,"gets return %ld\n",ret);
+		break;
+	case BIO_CB_RETURN|BIO_CB_PUTS:
+		sprintf(p,"puts return %ld\n",ret);
+		break;
+	case BIO_CB_RETURN|BIO_CB_CTRL:
+		sprintf(p,"ctrl return %ld\n",ret);
+		break;
+	default:
+		sprintf(p,"bio callback - unknown type (%d)\n",cmd);
+		break;
+		}
+
+	b=(BIO *)bio->cb_arg;
+	if (b != NULL)
+		BIO_write(b,buf,strlen(buf));
+#ifndef WIN16
+	else
+		fputs(buf,stderr);
+#endif
+	return(r);
+	}
diff --git a/crypto/bio/bio_err.c b/crypto/bio/bio_err.c
new file mode 100644
index 0000000..b78878f
--- /dev/null
+++ b/crypto/bio/bio_err.c
@@ -0,0 +1,121 @@
+/* lib/bio/bio_err.c */
+/* Copyright (C) 1995-1997 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 "err.h"
+#include "bio.h"
+
+/* BEGIN ERROR CODES */
+static ERR_STRING_DATA BIO_str_functs[]=
+	{
+{ERR_PACK(0,BIO_F_ACPT_STATE,0),	"ACPT_STATE"},
+{ERR_PACK(0,BIO_F_BIO_ACCEPT,0),	"BIO_accept"},
+{ERR_PACK(0,BIO_F_BIO_CTRL,0),	"BIO_ctrl"},
+{ERR_PACK(0,BIO_F_BIO_GETS,0),	"BIO_gets"},
+{ERR_PACK(0,BIO_F_BIO_GET_ACCEPT_SOCKET,0),	"BIO_get_accept_socket"},
+{ERR_PACK(0,BIO_F_BIO_GET_HOST_IP,0),	"BIO_get_host_ip"},
+{ERR_PACK(0,BIO_F_BIO_GET_PORT,0),	"BIO_get_port"},
+{ERR_PACK(0,BIO_F_BIO_NEW,0),	"BIO_new"},
+{ERR_PACK(0,BIO_F_BIO_NEW_FILE,0),	"BIO_new_file"},
+{ERR_PACK(0,BIO_F_BIO_PUTS,0),	"BIO_puts"},
+{ERR_PACK(0,BIO_F_BIO_READ,0),	"BIO_read"},
+{ERR_PACK(0,BIO_F_BIO_SOCK_INIT,0),	"BIO_sock_init"},
+{ERR_PACK(0,BIO_F_BIO_WRITE,0),	"BIO_write"},
+{ERR_PACK(0,BIO_F_CONN_STATE,0),	"CONN_STATE"},
+{ERR_PACK(0,BIO_F_FILE_CTRL,0),	"FILE_CTRL"},
+{ERR_PACK(0,BIO_F_MEM_WRITE,0),	"MEM_WRITE"},
+{ERR_PACK(0,BIO_F_WSASTARTUP,0),	"WSASTARTUP"},
+{0,NULL},
+	};
+
+static ERR_STRING_DATA BIO_str_reasons[]=
+	{
+{BIO_R_ACCEPT_ERROR                      ,"accept error"},
+{BIO_R_BAD_FOPEN_MODE                    ,"bad fopen mode"},
+{BIO_R_BAD_HOSTNAME_LOOKUP               ,"bad hostname lookup"},
+{BIO_R_CONNECT_ERROR                     ,"connect error"},
+{BIO_R_ERROR_SETTING_NBIO                ,"error setting nbio"},
+{BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET,"error setting nbio on accepted socket"},
+{BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET,"error setting nbio on accept socket"},
+{BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET ,"gethostbyname addr is not af inet"},
+{BIO_R_INVALID_IP_ADDRESS                ,"invalid ip address"},
+{BIO_R_NBIO_CONNECT_ERROR                ,"nbio connect error"},
+{BIO_R_NO_ACCEPT_PORT_SPECIFIED          ,"no accept port specified"},
+{BIO_R_NO_HOSTHNAME_SPECIFIED            ,"no hosthname specified"},
+{BIO_R_NO_PORT_DEFINED                   ,"no port defined"},
+{BIO_R_NO_PORT_SPECIFIED                 ,"no port specified"},
+{BIO_R_NULL_PARAMETER                    ,"null parameter"},
+{BIO_R_UNABLE_TO_BIND_SOCKET             ,"unable to bind socket"},
+{BIO_R_UNABLE_TO_CREATE_SOCKET           ,"unable to create socket"},
+{BIO_R_UNABLE_TO_LISTEN_SOCKET           ,"unable to listen socket"},
+{BIO_R_UNINITALISED                      ,"uninitalised"},
+{BIO_R_UNSUPPORTED_METHOD                ,"unsupported method"},
+{BIO_R_WSASTARTUP                        ,"wsastartup"},
+{0,NULL},
+	};
+
+void ERR_load_BIO_strings()
+	{
+	static int init=1;
+
+	if (init)
+		{
+		init=0;
+		ERR_load_strings(ERR_LIB_BIO,BIO_str_functs);
+		ERR_load_strings(ERR_LIB_BIO,BIO_str_reasons);
+		}
+	}
diff --git a/crypto/bio/bio_lib.c b/crypto/bio/bio_lib.c
new file mode 100644
index 0000000..78e896f
--- /dev/null
+++ b/crypto/bio/bio_lib.c
@@ -0,0 +1,447 @@
+/* crypto/bio/bio_lib.c */
+/* Copyright (C) 1995-1997 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>
+#include "cryptlib.h"
+#include "bio.h"
+
+BIO *BIO_new(method)
+BIO_METHOD *method;
+	{
+	BIO *ret=NULL;
+
+	ret=(BIO *)Malloc(sizeof(BIO));
+	if (ret == NULL)
+		{
+		BIOerr(BIO_F_BIO_NEW,ERR_R_MALLOC_FAILURE);
+		return(NULL);
+		}
+	if (!BIO_set(ret,method))
+		{
+		Free(ret);
+		ret=NULL;
+		}
+	return(ret);
+	}
+
+int BIO_set(bio,method)
+BIO *bio;
+BIO_METHOD *method;
+	{
+	bio->method=method;
+	bio->callback=NULL;
+	bio->cb_arg=NULL;
+	bio->init=0;
+	bio->shutdown=1;
+	bio->num=0;
+	bio->flags=0;
+	bio->retry_reason=0;
+	bio->ptr=NULL;
+	bio->prev_bio=NULL;
+	bio->next_bio=NULL;
+	bio->references=1;
+	bio->num_read=0L;
+	bio->num_write=0L;
+	if (method->create != NULL)
+		if (!method->create(bio))
+			return(0);
+	return(1);
+	}
+
+int BIO_free(a)
+BIO *a;
+	{
+	int ret=0,i;
+
+	if (a == NULL) return(0);
+
+	i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_BIO);
+
+        if (i > 0) return(1);
+#ifdef REF_CHECK
+	if (i < 0)
+		{
+		fprintf(stderr,"BIO_free, bad reference count\n");
+		abort();
+		}
+#endif
+	if ((a->callback != NULL) &&
+		((i=(int)a->callback(a,BIO_CB_FREE,NULL,0,0L,1L)) <= 0))
+			return(i);
+
+	if ((a->method == NULL) || (a->method->destroy == NULL)) return(1);
+	ret=a->method->destroy(a);
+	Free(a);
+	return(1);
+	}
+
+int BIO_read(b,out,outl)
+BIO *b;
+char *out;
+int outl;
+	{
+	int i;
+
+	if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL))
+		{
+		BIOerr(BIO_F_BIO_READ,BIO_R_UNSUPPORTED_METHOD);
+		return(-2);
+		}
+
+	if ((b->callback != NULL) &&
+		((i=(int)b->callback(b,BIO_CB_READ,out,outl,0L,1L)) <= 0))
+			return(i);
+
+	if (!b->init)
+		{
+		BIOerr(BIO_F_BIO_READ,BIO_R_UNINITALISED);
+		return(-2);
+		}
+
+	i=b->method->bread(b,out,outl);
+	if (i > 0) b->num_read+=(unsigned long)i;
+
+	if (b->callback != NULL)
+		i=(int)b->callback(b,BIO_CB_READ|BIO_CB_RETURN,out,outl,
+			0L,(long)i);
+	return(i);
+	}
+
+int BIO_write(b,in,inl)
+BIO *b;
+char *in;
+int inl;
+	{
+	int i;
+
+	if ((b == NULL) || (b->method == NULL) || (b->method->bwrite == NULL))
+		{
+		BIOerr(BIO_F_BIO_WRITE,BIO_R_UNSUPPORTED_METHOD);
+		return(-2);
+		}
+
+	if ((b->callback != NULL) &&
+		((i=(int)b->callback(b,BIO_CB_WRITE,in,inl,0L,1L)) <= 0))
+			return(i);
+
+	if (!b->init)
+		{
+		BIOerr(BIO_F_BIO_WRITE,BIO_R_UNINITALISED);
+		return(-2);
+		}
+
+	i=b->method->bwrite(b,in,inl);
+	if (i > 0) b->num_write+=(unsigned long)i;
+
+	if (b->callback != NULL)
+		i=(int)b->callback(b,BIO_CB_WRITE|BIO_CB_RETURN,in,inl,
+			0L,(long)i);
+	return(i);
+	}
+
+int BIO_puts(b,in)
+BIO *b;
+char *in;
+	{
+	int i;
+
+	if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL))
+		{
+		BIOerr(BIO_F_BIO_PUTS,BIO_R_UNSUPPORTED_METHOD);
+		return(-2);
+		}
+
+	if ((b->callback != NULL) &&
+		((i=(int)b->callback(b,BIO_CB_PUTS,in,0,0L,1L)) <= 0))
+			return(i);
+
+	if (!b->init)
+		{
+		BIOerr(BIO_F_BIO_PUTS,BIO_R_UNINITALISED);
+		return(-2);
+		}
+
+	i=b->method->bputs(b,in);
+
+	if (b->callback != NULL)
+		i=(int)b->callback(b,BIO_CB_PUTS|BIO_CB_RETURN,in,0,
+			0L,(long)i);
+	return(i);
+	}
+
+int BIO_gets(b,in,inl)
+BIO *b;
+char *in;
+int inl;
+	{
+	int i;
+
+	if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL))
+		{
+		BIOerr(BIO_F_BIO_GETS,BIO_R_UNSUPPORTED_METHOD);
+		return(-2);
+		}
+
+	if ((b->callback != NULL) &&
+		((i=(int)b->callback(b,BIO_CB_GETS,in,inl,0L,1L)) <= 0))
+			return(i);
+
+	if (!b->init)
+		{
+		BIOerr(BIO_F_BIO_GETS,BIO_R_UNINITALISED);
+		return(-2);
+		}
+
+	i=b->method->bgets(b,in,inl);
+
+	if (b->callback != NULL)
+		i=(int)b->callback(b,BIO_CB_GETS|BIO_CB_RETURN,in,inl,
+			0L,(long)i);
+	return(i);
+	}
+
+long BIO_ctrl_int(b,cmd,larg,iarg)
+BIO *b;
+int cmd;
+long larg;
+int iarg;
+	{
+	int i;
+
+	i=iarg;
+	return(BIO_ctrl(b,cmd,larg,(char *)&i));
+	}
+
+long BIO_ctrl(b,cmd,larg,parg)
+BIO *b;
+int cmd;
+long larg;
+char *parg;
+	{
+	long ret;
+
+	if (b == NULL) return(0);
+
+	if ((b->method == NULL) || (b->method->ctrl == NULL))
+		{
+		BIOerr(BIO_F_BIO_CTRL,BIO_R_UNSUPPORTED_METHOD);
+		return(-2);
+		}
+
+	if ((b->callback != NULL) &&
+		((ret=b->callback(b,BIO_CB_CTRL,parg,cmd,larg,1L)) <= 0))
+		return(ret);
+
+	ret=b->method->ctrl(b,cmd,larg,parg);
+
+	if (b->callback != NULL)
+		ret=b->callback(b,BIO_CB_CTRL|BIO_CB_RETURN,parg,cmd,
+			larg,ret);
+	return(ret);
+	}
+
+/* put the 'bio' on the end of b's list of operators */
+BIO *BIO_push(b,bio)
+BIO *b,*bio;
+	{
+	BIO *lb;
+
+	if (b == NULL) return(bio);
+	lb=b;
+	while (lb->next_bio != NULL)
+		lb=lb->next_bio;
+	lb->next_bio=bio;
+	if (bio != NULL)
+		bio->prev_bio=lb;
+	BIO_ctrl(b,BIO_CTRL_PUSH,0,NULL);
+	return(b);
+	}
+
+/* Remove the first and return the rest */
+BIO *BIO_pop(b)
+BIO *b;
+	{
+	BIO *ret;
+
+	if (b == NULL) return(NULL);
+	ret=b->next_bio;
+
+	if (b->prev_bio != NULL)
+		b->prev_bio->next_bio=b->next_bio;
+	if (b->next_bio != NULL)
+		b->next_bio->prev_bio=b->prev_bio;
+
+	b->next_bio=NULL;
+	b->prev_bio=NULL;
+	BIO_ctrl(b,BIO_CTRL_POP,0,NULL);
+	return(ret);
+	}
+
+BIO *BIO_get_retry_BIO(bio,reason)
+BIO *bio;
+int *reason;
+	{
+	BIO *b,*last;
+
+	b=last=bio;
+	for (;;)
+		{
+		if (!BIO_should_retry(b)) break;
+		last=b;
+		b=b->next_bio;
+		if (b == NULL) break;
+		}
+	if (reason != NULL) *reason=last->retry_reason;
+	return(last);
+	}
+
+int BIO_get_retry_reason(bio)
+BIO *bio;
+	{
+	return(bio->retry_reason);
+	}
+
+BIO *BIO_find_type(bio,type)
+BIO *bio;
+int type;
+	{
+	int mt,mask;
+
+	mask=type&0xff;
+	do	{
+		if (bio->method != NULL)
+			{
+			mt=bio->method->type;
+
+			if (!mask)
+				{
+				if (mt & type) return(bio);
+				}
+			else if (mt == type)
+				return(bio);
+			}
+		bio=bio->next_bio;
+		} while (bio != NULL);
+	return(NULL);
+	}
+
+void BIO_free_all(bio)
+BIO *bio;
+	{
+	BIO *b;
+	int ref;
+
+	while (bio != NULL)
+		{
+		b=bio;
+		ref=b->references;
+		bio=bio->next_bio;
+		BIO_free(b);
+		/* Since ref count > 1, don't free anyone else. */
+		if (ref > 1) break;
+		}
+	}
+
+BIO *BIO_dup_chain(in)
+BIO *in;
+	{
+	BIO *ret=NULL,*eoc=NULL,*bio,*new;
+
+	for (bio=in; bio != NULL; bio=bio->next_bio)
+		{
+		if ((new=BIO_new(bio->method)) == NULL) goto err;
+		new->callback=bio->callback;
+		new->cb_arg=bio->cb_arg;
+		new->init=bio->init;
+		new->shutdown=bio->shutdown;
+		new->flags=bio->flags;
+
+		/* This will let SSL_s_sock() work with stdin/stdout */
+		new->num=bio->num;
+
+		if (!BIO_dup_state(bio,(char *)new))
+			{
+			BIO_free(new);
+			goto err;
+			}
+		if (ret == NULL)
+			{
+			eoc=new;
+			ret=eoc;
+			}
+		else
+			{
+			BIO_push(eoc,new);
+			eoc=new;
+			}
+		}
+	return(ret);
+err:
+	if (ret != NULL)
+		BIO_free(ret);
+	return(NULL);	
+	}
+
+void BIO_copy_next_retry(b)
+BIO *b;
+	{
+	BIO_set_flags(b,BIO_get_retry_flags(b->next_bio));
+	b->retry_reason=b->next_bio->retry_reason;
+	}
+
diff --git a/crypto/bio/bss_acpt.c b/crypto/bio/bss_acpt.c
new file mode 100644
index 0000000..2514741
--- /dev/null
+++ b/crypto/bio/bss_acpt.c
@@ -0,0 +1,484 @@
+/* crypto/bio/bss_acpt.c */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+#ifndef NO_SOCK
+
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+#include "bio.h"
+
+/*	BIOerr(BIO_F_WSASTARTUP,BIO_R_WSASTARTUP ); */
+
+#ifdef WIN16
+#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
+#else
+#define SOCKET_PROTOCOL IPPROTO_TCP
+#endif
+
+typedef struct bio_accept_st
+	{
+	int state;
+	char *param_addr;
+
+	int accept_sock;
+	int accept_nbio;
+
+	char *addr;
+	int nbio;
+	BIO *bio_chain;
+	} BIO_ACCEPT;
+
+#ifndef NOPROTO
+static int acpt_write(BIO *h,char *buf,int num);
+static int acpt_read(BIO *h,char *buf,int size);
+static int acpt_puts(BIO *h,char *str);
+static long acpt_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int acpt_new(BIO *h);
+static int acpt_free(BIO *data);
+#else
+static int acpt_write();
+static int acpt_read();
+static int acpt_puts();
+static long acpt_ctrl();
+static int acpt_new();
+static int acpt_free();
+#endif
+
+#ifndef NOPROTO
+static int acpt_state(BIO *b, BIO_ACCEPT *c);
+static void acpt_close_socket(BIO *data);
+BIO_ACCEPT *BIO_ACCEPT_new(void );
+void BIO_ACCEPT_free(BIO_ACCEPT *a);
+
+#else
+
+static int acpt_state();
+static void acpt_close_socket();
+BIO_ACCEPT *BIO_ACCEPT_new();
+void BIO_ACCEPT_free();
+#endif
+
+#define ACPT_S_BEFORE			1
+#define ACPT_S_GET_ACCEPT_SOCKET	2
+#define ACPT_S_OK			3
+
+static BIO_METHOD methods_acceptp=
+	{
+	BIO_TYPE_ACCEPT,"socket accept",
+	acpt_write,
+	acpt_read,
+	acpt_puts,
+	NULL, /* connect_gets, */
+	acpt_ctrl,
+	acpt_new,
+	acpt_free,
+	};
+
+BIO_METHOD *BIO_s_accept()
+	{
+	return(&methods_acceptp);
+	}
+
+static int acpt_new(bi)
+BIO *bi;
+	{
+	BIO_ACCEPT *ba;
+
+	bi->init=0;
+	bi->num=INVALID_SOCKET;
+	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);
+	}
+
+BIO_ACCEPT *BIO_ACCEPT_new()
+	{
+	BIO_ACCEPT *ret;
+
+	if ((ret=(BIO_ACCEPT *)Malloc(sizeof(BIO_ACCEPT))) == NULL)
+		return(NULL);
+
+	memset(ret,0,sizeof(BIO_ACCEPT));
+	ret->accept_sock=INVALID_SOCKET;
+	return(ret);
+	}
+
+void BIO_ACCEPT_free(a)
+BIO_ACCEPT *a;
+	{
+	if (a->param_addr != NULL) Free(a->param_addr);
+	if (a->addr != NULL) Free(a->addr);
+	if (a->bio_chain != NULL) BIO_free(a->bio_chain);
+	Free(a);
+	}
+
+static void acpt_close_socket(bio)
+BIO *bio;
+	{
+	BIO_ACCEPT *c;
+
+	c=(BIO_ACCEPT *)bio->ptr;
+	if (c->accept_sock != INVALID_SOCKET)
+		{
+		shutdown(c->accept_sock,2);
+# ifdef WINDOWS
+		closesocket(c->accept_sock);
+# else
+		close(c->accept_sock);
+# endif
+		c->accept_sock=INVALID_SOCKET;
+		bio->num=INVALID_SOCKET;
+		}
+	}
+
+static int acpt_free(a)
+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(b,c)
+BIO *b;
+BIO_ACCEPT *c;
+	{
+	BIO *bio=NULL,*dbio;
+	unsigned long l=1;
+	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);
+		if (s == INVALID_SOCKET)
+			return(-1);
+
+#ifdef FIONBIO
+		if (c->accept_nbio)
+			{
+			i=BIO_socket_ioctl(b->num,FIONBIO,&l);
+			if (i < 0)
+				{
+#ifdef WINDOWS
+				closesocket(s);
+#else
+				close(s);
+# endif
+				BIOerr(BIO_F_ACPT_STATE,BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET);
+				return(-1);
+				}
+			}
+#endif
+		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;
+			}
+		i=BIO_accept(c->accept_sock,&(c->addr));
+		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));
+
+#ifdef FIONBIO
+		if (c->nbio)
+			{
+			i=BIO_socket_ioctl(i,FIONBIO,&l);
+			if (i < 0)
+				{
+				BIOerr(BIO_F_ACPT_STATE,BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET);
+				goto err;
+				}
+			}
+#endif
+
+		/* 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);
+		else if (s >= 0)
+			{
+#ifdef WINDOWS
+			closesocket(s);
+#else
+			close(s);
+# endif
+			}
+		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(b,out,outl)
+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(b,in,inl)
+BIO *b;
+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(b,cmd,num,ptr)
+BIO *b;
+int cmd;
+long num;
+char *ptr;
+	{
+	BIO *dbio;
+	int *ip;
+	long ret=1;
+	BIO_ACCEPT *data;
+
+	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;
+				if (data->param_addr != NULL)
+					Free(data->param_addr);
+				data->param_addr=BUF_strdup(ptr);
+				}
+			else if (num == 1)
+				{
+				data->accept_nbio=(ptr != NULL);
+				}
+			else if (num == 2)
+				{
+				if (data->bio_chain != NULL)
+					BIO_free(data->bio_chain);
+				data->bio_chain=(BIO *)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=data->accept_sock;
+			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) 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(bp,str)
+BIO *bp;
+char *str;
+	{
+	int n,ret;
+
+	n=strlen(str);
+	ret=acpt_write(bp,str,n);
+	return(ret);
+	}
+
+BIO *BIO_new_accept(str)
+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);
+		}
+	}
+
+#endif
diff --git a/crypto/bio/bss_conn.c b/crypto/bio/bss_conn.c
new file mode 100644
index 0000000..4e31e3c
--- /dev/null
+++ b/crypto/bio/bss_conn.c
@@ -0,0 +1,558 @@
+/* crypto/bio/bss_conn.c */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+#ifndef NO_SOCK
+
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+#include "bio.h"
+
+/*	BIOerr(BIO_F_WSASTARTUP,BIO_R_WSASTARTUP ); */
+
+#ifdef WIN16
+#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
+#else
+#define SOCKET_PROTOCOL IPPROTO_TCP
+#endif
+
+typedef struct bio_connect_st
+	{
+	int state;
+
+	char *param_hostname;
+	char *param_port;
+	int nbio;
+
+	unsigned char ip[4];
+	short port;
+
+	struct sockaddr_in them;
+
+	/* int socket; this will be kept in bio->num so that it is
+	 * compatable with the bss_sock bio */ 
+	int error;
+	} BIO_CONNECT;
+
+#ifndef NOPROTO
+static int conn_write(BIO *h,char *buf,int num);
+static int conn_read(BIO *h,char *buf,int size);
+static int conn_puts(BIO *h,char *str);
+static long conn_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int conn_new(BIO *h);
+static int conn_free(BIO *data);
+#else
+static int conn_write();
+static int conn_read();
+static int conn_puts();
+static long conn_ctrl();
+static int conn_new();
+static int conn_free();
+#endif
+
+#ifndef NOPROTO
+
+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);
+
+#else
+
+static int conn_state();
+static void conn_close_socket();
+BIO_CONNECT *BIO_CONNECT_new();
+void BIO_CONNECT_free();
+
+#endif
+
+#define CONN_S_BEFORE		1
+#define CONN_S_GET_IP		2
+#define CONN_S_GET_PORT		3
+#define CONN_S_CREATE_SOCKET	4
+#define CONN_S_CONNECT		5
+#define CONN_S_OK		6
+#define CONN_S_BLOCKED_CONNECT	7
+#define CONN_S_NBIO		8
+
+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,
+	};
+
+static int conn_state(b,c)
+BIO *b;
+BIO_CONNECT *c;
+	{
+	int ret= -1,i;
+	unsigned long l;
+	char *p,*q;
+
+	switch (c->state)
+		{
+	case CONN_S_BEFORE:
+		p=c->param_hostname;
+		if (p == NULL)
+			{
+			BIOerr(BIO_F_CONN_STATE,BIO_R_NO_HOSTHNAME_SPECIFIED);
+			break;
+			}
+		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)
+					Free(c->param_port);
+				c->param_port=BUF_strdup(p);
+				}
+			}
+
+		if (p == NULL)
+			{
+			BIOerr(BIO_F_CONN_STATE,BIO_R_NO_PORT_SPECIFIED);
+			break;
+			}
+		c->state=CONN_S_GET_IP;
+
+	case CONN_S_GET_IP:
+		if (BIO_get_host_ip(c->param_hostname,&(c->ip[0])) <= 0)
+			break;
+		c->state=CONN_S_GET_PORT;
+
+	case CONN_S_GET_PORT:
+		if (BIO_get_port(c->param_port,&c->port) <= 0)
+			break;
+		c->state=CONN_S_CREATE_SOCKET;
+
+	case 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=CONN_S_CREATE_SOCKET;
+
+		ret=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
+		if (ret == INVALID_SOCKET)
+			{
+			SYSerr(SYS_F_SOCKET,errno);
+			BIOerr(BIO_F_CONN_STATE,BIO_R_UNABLE_TO_CREATE_SOCKET);
+			break;
+			}
+		b->num=ret;
+		c->state=CONN_S_NBIO;
+
+	case CONN_S_NBIO:
+#ifdef FIONBIO
+		if (c->nbio)
+			{
+			l=1;
+			ret=BIO_socket_ioctl(b->num,FIONBIO,&l);
+			if (ret < 0)
+				{
+				BIOerr(BIO_F_CONN_STATE,BIO_R_ERROR_SETTING_NBIO);
+				break;
+				}
+			}
+#endif
+		c->state=CONN_S_CONNECT;
+
+	case 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=CONN_S_BLOCKED_CONNECT;
+				b->retry_reason=BIO_RR_CONNECT;
+				}
+			else
+				{
+				SYSerr(SYS_F_CONNECT,errno);
+				BIOerr(BIO_F_CONN_STATE,BIO_R_CONNECT_ERROR);
+				}
+			}
+		else
+			{
+			ret=1;
+			c->state=CONN_S_OK;
+			}
+		break;
+
+	case CONN_S_BLOCKED_CONNECT:
+		BIO_clear_retry_flags(b);
+		i=BIO_sock_error(b->num);
+		if (i)
+			{
+			SYSerr(SYS_F_CONNECT,i);
+			BIOerr(BIO_F_CONN_STATE,BIO_R_NBIO_CONNECT_ERROR);
+			}
+		else
+			{
+			c->state=CONN_S_OK;
+			ret=1;
+			}
+		break;
+
+	case CONN_S_OK:
+		ret=1;
+		break;
+	default:
+		abort();
+		}
+	return(ret);
+	}
+
+BIO_CONNECT *BIO_CONNECT_new()
+	{
+	BIO_CONNECT *ret;
+
+	if ((ret=(BIO_CONNECT *)Malloc(sizeof(BIO_CONNECT))) == NULL)
+		return(NULL);
+	ret->state=CONN_S_BEFORE;
+	ret->param_hostname=NULL;
+	ret->param_port=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));
+	ret->error=0;
+	return(ret);
+	}
+
+void BIO_CONNECT_free(a)
+BIO_CONNECT *a;
+	{
+	if (a->param_hostname != NULL)
+		Free(a->param_hostname);
+	if (a->param_port != NULL)
+		Free(a->param_port);
+	Free(a);
+	}
+
+BIO_METHOD *BIO_s_connect()
+	{
+	return(&methods_connectp);
+	}
+
+static int conn_new(bi)
+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;
+	{
+	BIO_CONNECT *c;
+
+	c=(BIO_CONNECT *)bio->ptr;
+	if (bio->num != INVALID_SOCKET)
+		{
+		/* Only do a shutdown if things were established */
+		if (c->state == CONN_S_OK)
+			shutdown(bio->num,2);
+# ifdef WINDOWS
+		closesocket(bio->num);
+# else
+		close(bio->num);
+# endif
+		bio->num=INVALID_SOCKET;
+		}
+	}
+
+static int conn_free(a)
+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(b,out,outl)
+BIO *b;
+char *out;
+int outl;
+	{
+	int ret=0;
+	BIO_CONNECT *data;
+
+	data=(BIO_CONNECT *)b->ptr;
+	if (data->state != CONN_S_OK)
+		{
+		ret=conn_state(b,data);
+		if (ret <= 0) return(ret);
+		}
+
+	if (out != NULL)
+		{
+		errno=0;
+#if defined(WINDOWS)
+		ret=recv(b->num,out,outl,0);
+#else
+		ret=read(b->num,out,outl);
+#endif
+		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(b,in,inl)
+BIO *b;
+char *in;
+int inl;
+	{
+	int ret;
+	BIO_CONNECT *data;
+
+	data=(BIO_CONNECT *)b->ptr;
+	if (data->state != CONN_S_OK)
+		{
+		ret=conn_state(b,data);
+		if (ret <= 0) return(ret);
+		}
+
+	errno=0;
+#if defined(WINDOWS)
+	ret=send(b->num,in,inl,0);
+#else
+	ret=write(b->num,in,inl);
+#endif
+	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(b,cmd,num,ptr)
+BIO *b;
+int cmd;
+long num;
+char *ptr;
+	{
+	BIO *dbio;
+	int *ip;
+	long ret=1;
+	BIO_CONNECT *data;
+
+	data=(BIO_CONNECT *)b->ptr;
+
+	switch (cmd)
+		{
+	case BIO_CTRL_RESET:
+		ret=0;
+		data->state=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 != CONN_S_OK)
+			ret=(long)conn_state(b,data);
+		else
+			ret=1;
+		break;
+	case BIO_C_SET_CONNECT:
+		if (ptr != NULL)
+			{
+			b->init=1;
+			if (num == 0)
+				{
+				if (data->param_hostname != NULL)
+					Free(data->param_hostname);
+				data->param_hostname=BUF_strdup(ptr);
+				}
+			else if (num == 1)
+				{
+				if (data->param_port != NULL)
+					Free(data->param_port);
+				data->param_port=BUF_strdup(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_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 conn_puts(bp,str)
+BIO *bp;
+char *str;
+	{
+	int n,ret;
+
+	n=strlen(str);
+	ret=conn_write(bp,str,n);
+	return(ret);
+	}
+
+BIO *BIO_new_connect(str)
+char *str;
+	{
+	BIO *ret;
+
+	ret=BIO_new(BIO_s_connect());
+	if (ret == NULL) return(NULL);
+	if (BIO_set_hostname(ret,str))
+		return(ret);
+	else
+		{
+		BIO_free(ret);
+		return(NULL);
+		}
+	}
+
+#endif
+
diff --git a/crypto/bio/bss_fd.c b/crypto/bio/bss_fd.c
new file mode 100644
index 0000000..06ae229
--- /dev/null
+++ b/crypto/bio/bss_fd.c
@@ -0,0 +1,62 @@
+/* crypto/bio/bss_fd.c */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+#define BIO_FD
+#include "bss_sock.c"
+#undef BIO_FD
+
diff --git a/crypto/bio/bss_file.c b/crypto/bio/bss_file.c
new file mode 100644
index 0000000..33c18e7
--- /dev/null
+++ b/crypto/bio/bss_file.c
@@ -0,0 +1,334 @@
+/* crypto/bio/bss_file.c */
+/* Copyright (C) 1995-1997 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>
+#include "cryptlib.h"
+#include "bio.h"
+#include "err.h"
+
+#ifndef NOPROTO
+static int MS_CALLBACK file_write(BIO *h,char *buf,int num);
+static int MS_CALLBACK file_read(BIO *h,char *buf,int size);
+static int MS_CALLBACK file_puts(BIO *h,char *str);
+static int MS_CALLBACK file_gets(BIO *h,char *str,int size);
+static long MS_CALLBACK file_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int MS_CALLBACK file_new(BIO *h);
+static int MS_CALLBACK file_free(BIO *data);
+#else
+static int MS_CALLBACK file_write();
+static int MS_CALLBACK file_read();
+static int MS_CALLBACK file_puts();
+static int MS_CALLBACK file_gets();
+static long MS_CALLBACK file_ctrl();
+static int MS_CALLBACK file_new();
+static int MS_CALLBACK file_free();
+#endif
+
+static BIO_METHOD methods_filep=
+	{
+	BIO_TYPE_FILE,"FILE pointer",
+	file_write,
+	file_read,
+	file_puts,
+	file_gets,
+	file_ctrl,
+	file_new,
+	file_free,
+	};
+
+#if !defined(WIN16) || defined(APPS_WIN16)
+BIO *BIO_new_file(filename,mode)
+char *filename;
+char *mode;
+	{
+	BIO *ret;
+	FILE *file;
+
+	if ((file=fopen(filename,mode)) == NULL)
+		{
+		SYSerr(SYS_F_FOPEN,errno);
+		BIOerr(BIO_F_BIO_NEW_FILE,ERR_R_SYS_LIB);
+		return(NULL);
+		}
+
+	if ((ret=BIO_new(BIO_s_file())) == NULL)
+		return(NULL);
+#if 0
+	if ((ret=BIO_new(BIO_s_file_internal_w16())) == NULL)
+		return(NULL);
+#endif
+
+	BIO_set_fp(ret,file,BIO_CLOSE);
+	return(ret);
+	}
+
+BIO *BIO_new_fp(stream,close_flag)
+FILE *stream;
+int close_flag;
+	{
+	BIO *ret;
+
+	if ((ret=BIO_new(BIO_s_file())) == NULL)
+		return(NULL);
+#if 0
+	if ((ret=BIO_new(BIO_s_file_internal_w16())) == NULL)
+#endif
+
+	BIO_set_fp(ret,stream,close_flag);
+	return(ret);
+	}
+#endif /* !APPS_WIN16 */
+
+#if !defined(WIN16) || defined(APPS_WIN16)
+
+BIO_METHOD *BIO_s_file()
+	{
+	return(&methods_filep);
+	}
+
+#else
+
+BIO_METHOD *BIO_s_file_internal_w16()
+	{
+	return(&methods_filep);
+	}
+
+#endif
+
+static int MS_CALLBACK file_new(bi)
+BIO *bi;
+	{
+	bi->init=0;
+	bi->num=0;
+	bi->ptr=NULL;
+	return(1);
+	}
+
+static int MS_CALLBACK file_free(a)
+BIO *a;
+	{
+	if (a == NULL) return(0);
+	if (a->shutdown)
+		{
+		if ((a->init) && (a->ptr != NULL))
+			{
+			fclose((FILE *)a->ptr);
+			a->ptr=NULL;
+			}
+		a->init=0;
+		}
+	return(1);
+	}
+	
+static int MS_CALLBACK file_read(b,out,outl)
+BIO *b;
+char *out;
+int outl;
+	{
+	int ret=0;
+
+	if (b->init && (out != NULL))
+		{
+		ret=fread(out,1,(int)outl,(FILE *)b->ptr);
+		}
+	return(ret);
+	}
+
+static int MS_CALLBACK file_write(b,in,inl)
+BIO *b;
+char *in;
+int inl;
+	{
+	int ret=0;
+
+	if (b->init && (in != NULL))
+		{
+		if (fwrite(in,(int)inl,1,(FILE *)b->ptr))
+			ret=inl;
+		/* ret=fwrite(in,1,(int)inl,(FILE *)b->ptr); */
+		/* acording to Tim Hudson <tjh@cryptsoft.com>, the commented
+		 * out version above can cause 'inl' write calls under
+		 * some stupid stdio implementations (VMS) */
+		}
+	return(ret);
+	}
+
+static long MS_CALLBACK file_ctrl(b,cmd,num,ptr)
+BIO *b;
+int cmd;
+long num;
+char *ptr;
+	{
+	long ret=1;
+	FILE *fp=(FILE *)b->ptr;
+	FILE **fpp;
+	char p[4];
+
+	switch (cmd)
+		{
+	case BIO_CTRL_RESET:
+		ret=(long)fseek(fp,num,0);
+		break;
+	case BIO_CTRL_EOF:
+		ret=(long)feof(fp);
+		break;
+	case BIO_CTRL_INFO:
+		ret=ftell(fp);
+		break;
+	case BIO_C_SET_FILE_PTR:
+		file_free(b);
+		b->shutdown=(int)num;
+		b->ptr=(char *)ptr;
+		b->init=1;
+		break;
+	case BIO_C_SET_FILENAME:
+		file_free(b);
+		b->shutdown=(int)num&BIO_CLOSE;
+		if (num & BIO_FP_APPEND)
+			{
+			if (num & BIO_FP_READ)
+				strcpy(p,"a+");
+			else	strcpy(p,"a");
+			}
+		else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
+			strcpy(p,"r+");
+		else if (num & BIO_FP_WRITE)
+			strcpy(p,"w");
+		else if (num & BIO_FP_READ)
+			strcpy(p,"r");
+		else
+			{
+			BIOerr(BIO_F_FILE_CTRL,BIO_R_BAD_FOPEN_MODE);
+			ret=0;
+			break;
+			}
+#if defined(MSDOS) || defined(WINDOWS)
+		if (!(num & BIO_FP_TEXT))
+			strcat(p,"b");
+		else
+			strcat(p,"t");
+#endif
+		fp=fopen(ptr,p);
+		if (fp == NULL)
+			{
+			SYSerr(SYS_F_FOPEN,errno);
+			BIOerr(BIO_F_FILE_CTRL,ERR_R_SYS_LIB);
+			ret=0;
+			break;
+			}
+		b->ptr=(char *)fp;
+		b->init=1;
+		break;
+	case BIO_C_GET_FILE_PTR:
+		/* the ptr parameter is actually a FILE ** in this case. */
+		if (ptr != NULL)
+			{
+			fpp=(FILE **)ptr;
+			*fpp=(FILE *)b->ptr;
+			}
+		break;
+	case BIO_CTRL_GET_CLOSE:
+		ret=(long)b->shutdown;
+		break;
+	case BIO_CTRL_SET_CLOSE:
+		b->shutdown=(int)num;
+		break;
+	case BIO_CTRL_FLUSH:
+		fflush((FILE *)b->ptr);
+		break;
+	case BIO_CTRL_DUP:
+		ret=1;
+		break;
+
+	case BIO_CTRL_WPENDING:
+	case BIO_CTRL_PENDING:
+	case BIO_CTRL_PUSH:
+	case BIO_CTRL_POP:
+	default:
+		ret=0;
+		break;
+		}
+	return(ret);
+	}
+
+static int MS_CALLBACK file_gets(bp,buf,size)
+BIO *bp;
+char *buf;
+int size;
+	{
+	int ret=0;
+
+	buf[0]='\0';
+	fgets(buf,size,(FILE *)bp->ptr);
+	if (buf[0] != '\0')
+		ret=strlen(buf);
+	return(ret);
+	}
+
+static int MS_CALLBACK file_puts(bp,str)
+BIO *bp;
+char *str;
+	{
+	int n,ret;
+
+	n=strlen(str);
+	ret=file_write(bp,str,n);
+	return(ret);
+	}
+
diff --git a/crypto/bio/bss_mem.c b/crypto/bio/bss_mem.c
new file mode 100644
index 0000000..9b4cf40
--- /dev/null
+++ b/crypto/bio/bss_mem.c
@@ -0,0 +1,296 @@
+/* crypto/bio/bss_mem.c */
+/* Copyright (C) 1995-1997 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>
+#include "cryptlib.h"
+#include "bio.h"
+
+#ifndef NOPROTO
+static int mem_write(BIO *h,char *buf,int num);
+static int mem_read(BIO *h,char *buf,int size);
+static int mem_puts(BIO *h,char *str);
+static int mem_gets(BIO *h,char *str,int size);
+static long mem_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int mem_new(BIO *h);
+static int mem_free(BIO *data);
+#else
+static int mem_write();
+static int mem_read();
+static int mem_puts();
+static int mem_gets();
+static long mem_ctrl();
+static int mem_new();
+static int mem_free();
+#endif
+
+static BIO_METHOD mem_method=
+	{
+	BIO_TYPE_MEM,"memory buffer",
+	mem_write,
+	mem_read,
+	mem_puts,
+	mem_gets,
+	mem_ctrl,
+	mem_new,
+	mem_free,
+	};
+
+BIO_METHOD *BIO_s_mem()
+	{
+	return(&mem_method);
+	}
+
+static int mem_new(bi)
+BIO *bi;
+	{
+	BUF_MEM *b;
+
+	if ((b=BUF_MEM_new()) == NULL)
+		return(0);
+	bi->shutdown=1;
+	bi->init=1;
+	bi->num=0;
+	bi->ptr=(char *)b;
+	return(1);
+	}
+
+static int mem_free(a)
+BIO *a;
+	{
+	if (a == NULL) return(0);
+	if (a->shutdown)
+		{
+		if ((a->init) && (a->ptr != NULL))
+			{
+			BUF_MEM_free((BUF_MEM *)a->ptr);
+			a->ptr=NULL;
+			}
+		}
+	return(1);
+	}
+	
+static int mem_read(b,out,outl)
+BIO *b;
+char *out;
+int outl;
+	{
+	int ret= -1;
+	BUF_MEM *bm;
+	int i;
+	char *from,*to;
+
+	bm=(BUF_MEM *)b->ptr;
+	BIO_clear_retry_flags(b);
+	ret=(outl > bm->length)?bm->length:outl;
+	if ((out != NULL) && (ret > 0))
+		{
+		memcpy(out,bm->data,ret);
+		bm->length-=ret;
+		/* memmove(&(bm->data[0]),&(bm->data[ret]), bm->length); */
+		from=(char *)&(bm->data[ret]);
+		to=(char *)&(bm->data[0]);
+		for (i=0; i<bm->length; i++)
+			to[i]=from[i];
+		}
+	else if (bm->length == 0)
+		{
+		BIO_set_retry_read(b);
+		ret= -1;
+		}
+	return(ret);
+	}
+
+static int mem_write(b,in,inl)
+BIO *b;
+char *in;
+int inl;
+	{
+	int ret= -1;
+	int blen;
+	BUF_MEM *bm;
+
+	bm=(BUF_MEM *)b->ptr;
+	if (in == NULL)
+		{
+		BIOerr(BIO_F_MEM_WRITE,BIO_R_NULL_PARAMETER);
+		goto end;
+		}
+
+	BIO_clear_retry_flags(b);
+	blen=bm->length;
+	if (BUF_MEM_grow(bm,blen+inl) != (blen+inl))
+		goto end;
+	memcpy(&(bm->data[blen]),in,inl);
+	ret=inl;
+end:
+	return(ret);
+	}
+
+static long mem_ctrl(b,cmd,num,ptr)
+BIO *b;
+int cmd;
+long num;
+char *ptr;
+	{
+	long ret=1;
+	char **pptr;
+
+	BUF_MEM *bm=(BUF_MEM *)b->ptr;
+
+	switch (cmd)
+		{
+	case BIO_CTRL_RESET:
+		if (bm->data != NULL)
+			memset(bm->data,0,bm->max);
+		bm->length=0;
+		break;
+	case BIO_CTRL_EOF:
+		ret=(long)(bm->length == 0);
+		break;
+	case BIO_CTRL_INFO:
+		ret=(long)bm->length;
+		if (ptr != NULL)
+			{
+			pptr=(char **)ptr;
+			*pptr=(char *)&(bm->data[0]);
+			}
+		break;
+	case BIO_C_SET_BUF_MEM:
+		mem_free(b);
+		b->shutdown=(int)num;
+		b->ptr=ptr;
+		break;
+	case BIO_C_GET_BUF_MEM_PTR:
+		if (ptr != NULL)
+			{
+			pptr=(char **)ptr;
+			*pptr=(char *)bm;
+			}
+		break;
+	case BIO_CTRL_GET_CLOSE:
+		ret=(long)b->shutdown;
+		break;
+	case BIO_CTRL_SET_CLOSE:
+		b->shutdown=(int)num;
+		break;
+
+	case BIO_CTRL_WPENDING:
+		ret=0L;
+		break;
+	case BIO_CTRL_PENDING:
+		ret=(long)bm->length;
+		break;
+	case BIO_CTRL_DUP:
+	case BIO_CTRL_FLUSH:
+		ret=1;
+		break;
+	case BIO_CTRL_PUSH:
+	case BIO_CTRL_POP:
+	default:
+		ret=0;
+		break;
+		}
+	return(ret);
+	}
+
+static int mem_gets(bp,buf,size)
+BIO *bp;
+char *buf;
+int size;
+	{
+	int i,j;
+	int ret= -1;
+	char *p;
+	BUF_MEM *bm=(BUF_MEM *)bp->ptr;
+
+	BIO_clear_retry_flags(bp);
+	j=bm->length;
+	if (j <= 0) return(0);
+	p=bm->data;
+	for (i=0; i<j; i++)
+		{
+		if (p[i] == '\n') break;
+		}
+	if (i == j)
+		{
+		BIO_set_retry_read(bp);
+		/* return(-1);  change the semantics 0.6.6a */ 
+		}
+	else
+		i++;
+	/* i is the max to copy */
+	if ((size-1) < i) i=size-1;
+	i=mem_read(bp,buf,i);
+	if (i > 0) buf[i]='\0';
+	ret=i;
+	return(ret);
+	}
+
+static int mem_puts(bp,str)
+BIO *bp;
+char *str;
+	{
+	int n,ret;
+
+	n=strlen(str);
+	ret=mem_write(bp,str,n);
+	/* memory semantics is that it will always work */
+	return(ret);
+	}
+
diff --git a/crypto/bio/bss_null.c b/crypto/bio/bss_null.c
new file mode 100644
index 0000000..f93d471
--- /dev/null
+++ b/crypto/bio/bss_null.c
@@ -0,0 +1,176 @@
+/* crypto/bio/bss_null.c */
+/* Copyright (C) 1995-1997 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>
+#include "cryptlib.h"
+#include "bio.h"
+
+#ifndef NOPROTO
+static int null_write(BIO *h,char *buf,int num);
+static int null_read(BIO *h,char *buf,int size);
+static int null_puts(BIO *h,char *str);
+static int null_gets(BIO *h,char *str,int size);
+static long null_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int null_new(BIO *h);
+static int null_free(BIO *data);
+#else
+static int null_write();
+static int null_read();
+static int null_puts();
+static int null_gets();
+static long null_ctrl();
+static int null_new();
+static int null_free();
+#endif
+
+static BIO_METHOD null_method=
+	{
+	BIO_TYPE_NULL,"NULL",
+	null_write,
+	null_read,
+	null_puts,
+	null_gets,
+	null_ctrl,
+	null_new,
+	null_free,
+	};
+
+BIO_METHOD *BIO_s_null()
+	{
+	return(&null_method);
+	}
+
+static int null_new(bi)
+BIO *bi;
+	{
+	bi->init=1;
+	bi->num=0;
+	bi->ptr=(NULL);
+	return(1);
+	}
+
+static int null_free(a)
+BIO *a;
+	{
+	if (a == NULL) return(0);
+	return(1);
+	}
+	
+static int null_read(b,out,outl)
+BIO *b;
+char *out;
+int outl;
+	{
+	return(0);
+	}
+
+static int null_write(b,in,inl)
+BIO *b;
+char *in;
+int inl;
+	{
+	return(inl);
+	}
+
+static long null_ctrl(b,cmd,num,ptr)
+BIO *b;
+int cmd;
+long num;
+char *ptr;
+	{
+	long ret=1;
+
+	switch (cmd)
+		{
+	case BIO_CTRL_RESET:
+	case BIO_CTRL_EOF:
+	case BIO_CTRL_SET:
+	case BIO_CTRL_SET_CLOSE:
+	case BIO_CTRL_FLUSH:
+	case BIO_CTRL_DUP:
+		ret=1;
+		break;
+	case BIO_CTRL_GET_CLOSE:
+	case BIO_CTRL_INFO:
+	case BIO_CTRL_GET:
+	case BIO_CTRL_PENDING:
+	case BIO_CTRL_WPENDING:
+	default:
+		ret=0;
+		break;
+		}
+	return(ret);
+	}
+
+static int null_gets(bp,buf,size)
+BIO *bp;
+char *buf;
+int size;
+	{
+	return(0);
+	}
+
+static int null_puts(bp,str)
+BIO *bp;
+char *str;
+	{
+	if (str == NULL) return(0);
+	return(strlen(str));
+	}
+
diff --git a/crypto/bio/bss_rtcp.c b/crypto/bio/bss_rtcp.c
new file mode 100644
index 0000000..cd48f7c
--- /dev/null
+++ b/crypto/bio/bss_rtcp.c
@@ -0,0 +1,296 @@
+/* crypto/bio/bss_rtcp.c */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+/* Written by David L. Jones <jonesd@kcgl1.eng.ohio-state.edu>
+ * Date:   22-JUL-1996
+ */
+/* VMS */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "cryptlib.h"
+#include "bio.h"
+
+#include <iodef.h>		/* VMS IO$_ definitions */
+extern int SYS$QIOW();
+typedef unsigned short io_channel;
+/*************************************************************************/
+struct io_status { short status, count; long flags; };
+
+struct rpc_msg {		/* Should have member alignment inhibited */
+   char channel;		/* 'A'-app data. 'R'-remote client 'G'-global */
+   char function;		/* 'G'-get, 'P'-put, 'C'-confirm, 'X'-close */
+   unsigned short int length;	/* Amount of data returned or max to return */
+   char data[4092];		/* variable data */
+};
+#define RPC_HDR_SIZE (sizeof(struct rpc_msg) - 4092)
+
+struct rpc_ctx {
+    int filled, pos;
+    struct rpc_msg msg;
+};
+
+static int rtcp_write(BIO *h,char *buf,int num);
+static int rtcp_read(BIO *h,char *buf,int size);
+static int rtcp_puts(BIO *h,char *str);
+static int rtcp_gets(BIO *h,char *str,int size);
+static long rtcp_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int rtcp_new(BIO *h);
+static int rtcp_free(BIO *data);
+
+static BIO_METHOD rtcp_method=
+	{
+	BIO_TYPE_FD,"RTCP",
+	rtcp_write,
+	rtcp_read,
+	rtcp_puts,
+	rtcp_gets,
+	rtcp_ctrl,
+	rtcp_new,
+	rtcp_free,
+	};
+
+BIO_METHOD *BIO_s_rtcp()
+	{
+	return(&rtcp_method);
+	}
+/*****************************************************************************/
+/* Decnet I/O routines.
+ */
+static int get ( io_channel chan, char *buffer, int maxlen, int *length )
+{
+    int status;
+    struct io_status iosb;
+    status = SYS$QIOW ( 0, chan, IO$_READVBLK, &iosb, 0, 0,
+	buffer, maxlen, 0, 0, 0, 0 );
+    if ( (status&1) == 1 ) status = iosb.status;
+    if ( (status&1) == 1 ) *length = iosb.count;
+    return status;
+}
+
+static int put ( io_channel chan, char *buffer, int length )
+{
+    int status;
+    struct io_status iosb;
+    status = SYS$QIOW ( 0, chan, IO$_WRITEVBLK, &iosb, 0, 0,
+	buffer, length, 0, 0, 0, 0 );
+    if ( (status&1) == 1 ) status = iosb.status;
+    return status;
+}
+/***************************************************************************/
+
+static int rtcp_new(bi)
+BIO *bi;
+{
+    struct rpc_ctx *ctx;
+	bi->init=1;
+	bi->num=0;
+	bi->flags = 0;
+	bi->ptr=Malloc(sizeof(struct rpc_ctx));
+	ctx = (struct rpc_ctx *) bi->ptr;
+	ctx->filled = 0;
+	ctx->pos = 0;
+	return(1);
+}
+
+static int rtcp_free(a)
+BIO *a;
+{
+	if (a == NULL) return(0);
+	if ( a->ptr ) Free ( a->ptr );
+	a->ptr = NULL;
+	return(1);
+}
+	
+static int rtcp_read(b,out,outl)
+BIO *b;
+char *out;
+int outl;
+{
+    int status, length;
+    struct rpc_ctx *ctx;
+    /*
+     * read data, return existing.
+     */
+    ctx = (struct rpc_ctx *) b->ptr;
+    if ( ctx->pos < ctx->filled ) {
+	length = ctx->filled - ctx->pos;
+	if ( length > outl ) length = outl;
+	memmove ( out, &ctx->msg.data[ctx->pos], length );
+	ctx->pos += length;
+	return length;
+    }
+    /*
+     * Requst more data from R channel.
+     */
+    ctx->msg.channel = 'R';
+    ctx->msg.function = 'G';
+    ctx->msg.length = sizeof(ctx->msg.data);
+    status = put ( b->num, (char *) &ctx->msg, RPC_HDR_SIZE );
+    if ( (status&1) == 0 ) {
+	return -1;
+    }
+    /*
+     * Read.
+     */
+    ctx->pos = ctx->filled = 0;
+    status = get ( b->num, (char *) &ctx->msg, sizeof(ctx->msg), &length );
+    if ( (status&1) == 0 ) length = -1;
+    if ( ctx->msg.channel != 'R' || ctx->msg.function != 'C' ) {
+	length = -1;
+    }
+    ctx->filled = length - RPC_HDR_SIZE;
+    
+    if ( ctx->pos < ctx->filled ) {
+	length = ctx->filled - ctx->pos;
+	if ( length > outl ) length = outl;
+	memmove ( out, ctx->msg.data, length );
+	ctx->pos += length;
+	return length;
+    }
+
+    return length;
+}
+
+static int rtcp_write(b,in,inl)
+BIO *b;
+char *in;
+int inl;
+{
+    int status, i, segment, length;
+    struct rpc_ctx *ctx;
+    /*
+     * Output data, send in chunks no larger that sizeof(ctx->msg.data).
+     */
+    ctx = (struct rpc_ctx *) b->ptr;
+    for ( i = 0; i < inl; i += segment ) {
+	segment = inl - i;
+	if ( segment > sizeof(ctx->msg.data) ) segment = sizeof(ctx->msg.data);
+	ctx->msg.channel = 'R';
+	ctx->msg.function = 'P';
+	ctx->msg.length = segment;
+	memmove ( ctx->msg.data, &in[i], segment );
+	status = put ( b->num, (char *) &ctx->msg, segment + RPC_HDR_SIZE );
+	if ((status&1) == 0 ) { i = -1; break; }
+
+	status = get ( b->num, (char *) &ctx->msg, sizeof(ctx->msg), &length );
+	if ( ((status&1) == 0) || (length < RPC_HDR_SIZE) ) { i = -1; break; }
+	if ( (ctx->msg.channel != 'R') || (ctx->msg.function != 'C') ) {
+	   printf("unexpected response when confirming put %c %c\n",
+		ctx->msg.channel, ctx->msg.function );
+
+	}
+    }
+    return(i);
+}
+
+static long rtcp_ctrl(b,cmd,num,ptr)
+BIO *b;
+int cmd;
+long num;
+char *ptr;
+	{
+	long ret=1;
+
+	switch (cmd)
+		{
+	case BIO_CTRL_RESET:
+	case BIO_CTRL_EOF:
+		ret = 1;
+		break;
+	case BIO_CTRL_SET:
+		b->num = num;
+		ret = 1;
+	 	break;
+	case BIO_CTRL_SET_CLOSE:
+	case BIO_CTRL_FLUSH:
+	case BIO_CTRL_DUP:
+		ret=1;
+		break;
+	case BIO_CTRL_GET_CLOSE:
+	case BIO_CTRL_INFO:
+	case BIO_CTRL_GET:
+	case BIO_CTRL_PENDING:
+	case BIO_CTRL_WPENDING:
+	default:
+		ret=0;
+		break;
+		}
+	return(ret);
+	}
+
+static int rtcp_gets(bp,buf,size)
+BIO *bp;
+char *buf;
+int size;
+	{
+	return(0);
+	}
+
+static int rtcp_puts(bp,str)
+BIO *bp;
+char *str;
+{
+    int length;
+    if (str == NULL) return(0);
+    length = strlen ( str );
+    if ( length == 0 ) return (0);
+    return rtcp_write ( bp,str, length );
+}
+
diff --git a/crypto/bio/bss_sock.c b/crypto/bio/bss_sock.c
new file mode 100644
index 0000000..ac96027
--- /dev/null
+++ b/crypto/bio/bss_sock.c
@@ -0,0 +1,449 @@
+/* crypto/bio/bss_sock.c */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+#if !defined(NO_SOCK) || defined(BIO_FD)
+
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+#include "bio.h"
+
+#ifndef BIO_FD
+#ifndef NOPROTO
+static int sock_write(BIO *h,char *buf,int num);
+static int sock_read(BIO *h,char *buf,int size);
+static int sock_puts(BIO *h,char *str);
+static long sock_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int sock_new(BIO *h);
+static int sock_free(BIO *data);
+int BIO_sock_should_retry(int s);
+#else
+static int sock_write();
+static int sock_read();
+static int sock_puts();
+static long sock_ctrl();
+static int sock_new();
+static int sock_free();
+int BIO_sock_should_retry();
+#endif
+
+#else
+
+#ifndef NOPROTO
+static int fd_write(BIO *h,char *buf,int num);
+static int fd_read(BIO *h,char *buf,int size);
+static int fd_puts(BIO *h,char *str);
+static long fd_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int fd_new(BIO *h);
+static int fd_free(BIO *data);
+int BIO_fd_should_retry(int s);
+#else
+static int fd_write();
+static int fd_read();
+static int fd_puts();
+static long fd_ctrl();
+static int fd_new();
+static int fd_free();
+int BIO_fd_should_retry();
+#endif
+#endif
+
+#ifndef BIO_FD
+static BIO_METHOD methods_sockp=
+	{
+	BIO_TYPE_SOCKET,"socket",
+	sock_write,
+	sock_read,
+	sock_puts,
+	NULL, /* sock_gets, */
+	sock_ctrl,
+	sock_new,
+	sock_free,
+	};
+
+BIO_METHOD *BIO_s_socket()
+	{
+	return(&methods_sockp);
+	}
+#else
+static BIO_METHOD methods_fdp=
+	{
+	BIO_TYPE_FD,"file descriptor",
+	fd_write,
+	fd_read,
+	fd_puts,
+	NULL, /* fd_gets, */
+	fd_ctrl,
+	fd_new,
+	fd_free,
+	};
+
+BIO_METHOD *BIO_s_fd()
+	{
+	return(&methods_fdp);
+	}
+#endif
+
+#ifndef BIO_FD
+BIO *BIO_new_socket(fd,close_flag)
+#else
+BIO *BIO_new_fd(fd,close_flag)
+#endif
+int fd;
+int close_flag;
+	{
+	BIO *ret;
+
+#ifndef BIO_FD
+	ret=BIO_new(BIO_s_socket());
+#else
+	ret=BIO_new(BIO_s_fd());
+#endif
+	if (ret == NULL) return(NULL);
+	BIO_set_fd(ret,fd,close_flag);
+	return(ret);
+	}
+
+#ifndef BIO_FD
+static int sock_new(bi)
+#else
+static int fd_new(bi)
+#endif
+BIO *bi;
+	{
+	bi->init=0;
+	bi->num=0;
+	bi->ptr=NULL;
+	bi->flags=0;
+	return(1);
+	}
+
+#ifndef BIO_FD
+static int sock_free(a)
+#else
+static int fd_free(a)
+#endif
+BIO *a;
+	{
+	if (a == NULL) return(0);
+	if (a->shutdown)
+		{
+		if (a->init)
+			{
+#ifndef BIO_FD
+			shutdown(a->num,2);
+# ifdef WINDOWS
+			closesocket(a->num);
+# else
+			close(a->num);
+# endif
+#else			/* BIO_FD */
+			close(a->num);
+#endif
+
+			}
+		a->init=0;
+		a->flags=0;
+		}
+	return(1);
+	}
+	
+#ifndef BIO_FD
+static int sock_read(b,out,outl)
+#else
+static int fd_read(b,out,outl)
+#endif
+BIO *b;
+char *out;
+int outl;
+	{
+	int ret=0;
+
+	if (out != NULL)
+		{
+		errno=0;
+#if defined(WINDOWS) && !defined(BIO_FD)
+		ret=recv(b->num,out,outl,0);
+#else
+		ret=read(b->num,out,outl);
+#endif
+		BIO_clear_retry_flags(b);
+		if (ret <= 0)
+			{
+#ifndef BIO_FD
+			if (BIO_sock_should_retry(ret))
+#else
+			if (BIO_fd_should_retry(ret))
+#endif
+				BIO_set_retry_read(b);
+			}
+		}
+	return(ret);
+	}
+
+#ifndef BIO_FD
+static int sock_write(b,in,inl)
+#else
+static int fd_write(b,in,inl)
+#endif
+BIO *b;
+char *in;
+int inl;
+	{
+	int ret;
+	
+	errno=0;
+#if defined(WINDOWS) && !defined(BIO_FD)
+	ret=send(b->num,in,inl,0);
+#else
+	ret=write(b->num,in,inl);
+#endif
+	BIO_clear_retry_flags(b);
+	if (ret <= 0)
+		{
+#ifndef BIO_FD
+		if (BIO_sock_should_retry(ret))
+#else
+		if (BIO_fd_should_retry(ret))
+#endif
+			BIO_set_retry_write(b);
+		}
+	return(ret);
+	}
+
+#ifndef BIO_FD
+static long sock_ctrl(b,cmd,num,ptr)
+#else
+static long fd_ctrl(b,cmd,num,ptr)
+#endif
+BIO *b;
+int cmd;
+long num;
+char *ptr;
+	{
+	long ret=1;
+	int *ip;
+
+	switch (cmd)
+		{
+	case BIO_CTRL_RESET:
+#ifdef BIO_FD
+		ret=(long)lseek(b->num,0,0);
+#else
+		ret=0;
+#endif
+		break;
+	case BIO_CTRL_INFO:
+		ret=0;
+		break;
+	case BIO_C_SET_FD:
+#ifndef BIO_FD
+		sock_free(b);
+#else
+		fd_free(b);
+#endif
+		b->num= *((int *)ptr);
+		b->shutdown=(int)num;
+		b->init=1;
+		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_DUP:
+	case BIO_CTRL_FLUSH:
+		ret=1;
+		break;
+		break;
+	default:
+		ret=0;
+		break;
+		}
+	return(ret);
+	}
+
+#ifdef undef
+static int sock_gets(bp,buf,size)
+BIO *bp;
+char *buf;
+int size;
+	{
+	return(-1);
+	}
+#endif
+
+#ifndef BIO_FD
+static int sock_puts(bp,str)
+#else
+static int fd_puts(bp,str)
+#endif
+BIO *bp;
+char *str;
+	{
+	int n,ret;
+
+	n=strlen(str);
+#ifndef BIO_FD
+	ret=sock_write(bp,str,n);
+#else
+	ret=fd_write(bp,str,n);
+#endif
+	return(ret);
+	}
+
+#ifndef BIO_FD
+int BIO_sock_should_retry(i)
+#else
+int BIO_fd_should_retry(i)
+#endif
+int i;
+	{
+	if ((i == 0) || (i == -1))
+		{
+#if !defined(BIO_FD) && defined(WINDOWS)
+		errno=WSAGetLastError();
+#endif
+
+#if defined(WINDOWS) /* more microsoft stupidity */
+		if ((i == -1) && (errno == 0))
+			return(1);
+#endif
+#ifndef BIO_FD
+		return(BIO_sock_non_fatal_error(errno));
+#else
+		return(BIO_fd_non_fatal_error(errno));
+#endif
+		}
+	return(0);
+	}
+
+#ifndef BIO_FD
+int BIO_sock_non_fatal_error(err)
+#else
+int BIO_fd_non_fatal_error(err)
+#endif
+int err;
+	{
+	switch (err)
+		{
+#if !defined(BIO_FD) && defined(WINDOWS)
+# if defined(WSAEWOULDBLOCK)
+	case WSAEWOULDBLOCK:
+# endif
+
+# if defined(WSAENOTCONN)
+	case WSAENOTCONN:
+# endif
+#endif
+
+#ifdef EWOULDBLOCK
+# ifdef WSAEWOULDBLOCK
+#  if WSAEWOULDBLOCK != EWOULDBLOCK
+	case EWOULDBLOCK:
+#  endif
+# else
+	case EWOULDBLOCK:
+# endif
+#endif
+
+#ifdef EINTR
+	case EINTR:
+#endif
+
+#ifdef EAGAIN
+#if EWOULDBLOCK != EAGAIN
+	case EAGAIN:
+# endif
+#endif
+
+#ifdef EPROTO
+	case EPROTO:
+#endif
+
+#ifdef EINPROGRESS
+	case EINPROGRESS:
+#endif
+
+#ifdef EALREADY
+	case EALREADY:
+#endif
+		return(1);
+		break;
+	default:
+		break;
+		}
+	return(0);
+	}
+#endif