--- /dev/null	2014-08-13 19:24:30.000000000 +0400
+++ new/usr/src/lib/openssl/libsunw_crypto/bio/b_sock.c	2014-08-13 19:24:30.646003075 +0400
@@ -0,0 +1,975 @@
+/* crypto/bio/b_sock.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+#include <openssl/bio.h>
+#if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_BSDSOCK)
+#include <netdb.h>
+#if defined(NETWARE_CLIB)
+#include <sys/ioctl.h>
+NETDB_DEFINE_CONTEXT
+#endif
+#endif
+
+#ifndef OPENSSL_NO_SOCK
+
+#include <openssl/dso.h>
+
+#define SOCKET_PROTOCOL IPPROTO_TCP
+
+#ifdef SO_MAXCONN
+#define MAX_LISTEN  SO_MAXCONN
+#elif defined(SOMAXCONN)
+#define MAX_LISTEN  SOMAXCONN
+#else
+#define MAX_LISTEN  32
+#endif
+
+#if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK))
+static int wsa_init_done=0;
+#endif
+
+/*
+ * WSAAPI specifier is required to make indirect calls to run-time
+ * linked WinSock 2 functions used in this module, to be specific
+ * [get|free]addrinfo and getnameinfo. This is because WinSock uses
+ * uses non-C calling convention, __stdcall vs. __cdecl, on x86
+ * Windows. On non-WinSock platforms WSAAPI needs to be void.
+ */
+#ifndef WSAAPI
+#define WSAAPI
+#endif
+
+#if 0
+static unsigned long BIO_ghbn_hits=0L;
+static unsigned long BIO_ghbn_miss=0L;
+
+#define GHBN_NUM	4
+static struct ghbn_cache_st
+	{
+	char name[129];
+	struct hostent *ent;
+	unsigned long order;
+	} ghbn_cache[GHBN_NUM];
+#endif
+
+static int get_ip(const char *str,unsigned char *ip);
+#if 0
+static void ghbn_free(struct hostent *a);
+static struct hostent *ghbn_dup(struct hostent *a);
+#endif
+int BIO_get_host_ip(const char *str, unsigned char *ip)
+	{
+	int i;
+	int err = 1;
+	int locked = 0;
+	struct hostent *he;
+
+	i=get_ip(str,ip);
+	if (i < 0)
+		{
+		BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_INVALID_IP_ADDRESS);
+		goto err;
+		}
+
+	/* At this point, we have something that is most probably correct
+	   in some way, so let's init the socket. */
+	if (BIO_sock_init() != 1)
+		return 0; /* don't generate another error code here */
+
+	/* If the string actually contained an IP address, we need not do
+	   anything more */
+	if (i > 0) return(1);
+
+	/* do a gethostbyname */
+	CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME);
+	locked = 1;
+	he=BIO_gethostbyname(str);
+	if (he == NULL)
+		{
+		BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_BAD_HOSTNAME_LOOKUP);
+		goto err;
+		}
+
+	/* 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);
+		goto err;
+		}
+	for (i=0; i<4; i++)
+		ip[i]=he->h_addr_list[0][i];
+	err = 0;
+
+ err:
+	if (locked)
+		CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME);
+	if (err)
+		{
+		ERR_add_error_data(2,"host=",str);
+		return 0;
+		}
+	else
+		return 1;
+	}
+
+int BIO_get_port(const char *str, unsigned 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
+		{
+		CRYPTO_w_lock(CRYPTO_LOCK_GETSERVBYNAME);
+		/* Note: under VMS with SOCKETSHR, it seems like the first
+		 * parameter is 'char *', instead of 'const char *'
+		 */
+#ifndef CONST_STRICT
+		s=getservbyname((char *)str,"tcp");
+#else
+		s=getservbyname(str,"tcp");
+#endif
+		if(s != NULL)
+			*port_ptr=ntohs((unsigned short)s->s_port);
+		CRYPTO_w_unlock(CRYPTO_LOCK_GETSERVBYNAME);
+		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,get_last_socket_error());
+				ERR_add_error_data(3,"service='",str,"'");
+				return(0);
+				}
+			}
+		}
+	return(1);
+	}
+
+int BIO_sock_error(int sock)
+	{
+	int j,i;
+	int size;
+
+#if defined(OPENSSL_SYS_BEOS_R5)
+	return 0;
+#endif
+
+	size=sizeof(int);
+	/* Note: under Windows the third parameter is of type (char *)
+	 * whereas under other systems it is (void *) if you don't have
+	 * a cast it will choke the compiler: if you do have a cast then
+	 * you can either go for (char *) or (void *).
+	 */
+	i=getsockopt(sock,SOL_SOCKET,SO_ERROR,(void *)&j,(void *)&size);
+	if (i < 0)
+		return(1);
+	else
+		return(j);
+	}
+
+#if 0
+long BIO_ghbn_ctrl(int cmd, int iarg, char *parg)
+	{
+	int i;
+	char **p;
+
+	switch (cmd)
+		{
+	case BIO_GHBN_CTRL_HITS:
+		return(BIO_ghbn_hits);
+		/* break; */
+	case BIO_GHBN_CTRL_MISSES:
+		return(BIO_ghbn_miss);
+		/* break; */
+	case BIO_GHBN_CTRL_CACHE_SIZE:
+		return(GHBN_NUM);
+		/* break; */
+	case BIO_GHBN_CTRL_GET_ENTRY:
+		if ((iarg >= 0) && (iarg <GHBN_NUM) &&
+			(ghbn_cache[iarg].order > 0))
+			{
+			p=(char **)parg;
+			if (p == NULL) return(0);
+			*p=ghbn_cache[iarg].name;
+			ghbn_cache[iarg].name[128]='\0';
+			return(1);
+			}
+		return(0);
+		/* break; */
+	case BIO_GHBN_CTRL_FLUSH:
+		for (i=0; i<GHBN_NUM; i++)
+			ghbn_cache[i].order=0;
+		break;
+	default:
+		return(0);
+		}
+	return(1);
+	}
+#endif
+
+#if 0
+static struct hostent *ghbn_dup(struct hostent *a)
+	{
+	struct hostent *ret;
+	int i,j;
+
+	MemCheck_off();
+	ret=(struct hostent *)OPENSSL_malloc(sizeof(struct hostent));
+	if (ret == NULL) return(NULL);
+	memset(ret,0,sizeof(struct hostent));
+
+	for (i=0; a->h_aliases[i] != NULL; i++)
+		;
+	i++;
+	ret->h_aliases = (char **)OPENSSL_malloc(i*sizeof(char *));
+	if (ret->h_aliases == NULL)
+		goto err;
+	memset(ret->h_aliases, 0, i*sizeof(char *));
+
+	for (i=0; a->h_addr_list[i] != NULL; i++)
+		;
+	i++;
+	ret->h_addr_list=(char **)OPENSSL_malloc(i*sizeof(char *));
+	if (ret->h_addr_list == NULL)
+		goto err;
+	memset(ret->h_addr_list, 0, i*sizeof(char *));
+
+	j=strlen(a->h_name)+1;
+	if ((ret->h_name=OPENSSL_malloc(j)) == NULL) goto err;
+	memcpy((char *)ret->h_name,a->h_name,j);
+	for (i=0; a->h_aliases[i] != NULL; i++)
+		{
+		j=strlen(a->h_aliases[i])+1;
+		if ((ret->h_aliases[i]=OPENSSL_malloc(j)) == NULL) goto err;
+		memcpy(ret->h_aliases[i],a->h_aliases[i],j);
+		}
+	ret->h_length=a->h_length;
+	ret->h_addrtype=a->h_addrtype;
+	for (i=0; a->h_addr_list[i] != NULL; i++)
+		{
+		if ((ret->h_addr_list[i]=OPENSSL_malloc(a->h_length)) == NULL)
+			goto err;
+		memcpy(ret->h_addr_list[i],a->h_addr_list[i],a->h_length);
+		}
+	if (0)
+		{
+err:
+		if (ret != NULL)
+			ghbn_free(ret);
+		ret=NULL;
+		}
+	MemCheck_on();
+	return(ret);
+	}
+
+static void ghbn_free(struct hostent *a)
+	{
+	int i;
+
+	if(a == NULL)
+	    return;
+
+	if (a->h_aliases != NULL)
+		{
+		for (i=0; a->h_aliases[i] != NULL; i++)
+			OPENSSL_free(a->h_aliases[i]);
+		OPENSSL_free(a->h_aliases);
+		}
+	if (a->h_addr_list != NULL)
+		{
+		for (i=0; a->h_addr_list[i] != NULL; i++)
+			OPENSSL_free(a->h_addr_list[i]);
+		OPENSSL_free(a->h_addr_list);
+		}
+	if (a->h_name != NULL) OPENSSL_free(a->h_name);
+	OPENSSL_free(a);
+	}
+
+#endif
+
+struct hostent *BIO_gethostbyname(const char *name)
+	{
+#if 1
+	/* Caching gethostbyname() results forever is wrong,
+	 * so we have to let the true gethostbyname() worry about this */
+#if (defined(NETWARE_BSDSOCK) && !defined(__NOVELL_LIBC__))
+	return gethostbyname((char*)name);
+#else
+	return gethostbyname(name);
+#endif
+#else
+	struct hostent *ret;
+	int i,lowi=0,j;
+	unsigned long low= (unsigned long)-1;
+
+
+#  if 0
+	/* It doesn't make sense to use locking here: The function interface
+	 * is not thread-safe, because threads can never be sure when
+	 * some other thread destroys the data they were given a pointer to.
+	 */
+	CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME);
+#  endif
+	j=strlen(name);
+	if (j < 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++;
+		/* Note: under VMS with SOCKETSHR, it seems like the first
+		 * parameter is 'char *', instead of 'const char *'
+		 */
+#  ifndef CONST_STRICT
+		ret=gethostbyname((char *)name);
+#  else
+		ret=gethostbyname(name);
+#  endif
+
+		if (ret == NULL)
+			goto end;
+		if (j > 128) /* too big to cache */
+			{
+#  if 0
+			/* If we were trying to make this function thread-safe (which
+			 * is bound to fail), we'd have to give up in this case
+			 * (or allocate more memory). */
+			ret = NULL;
+#  endif
+			goto end;
+			}
+
+		/* else add to cache */
+		if (ghbn_cache[lowi].ent != NULL)
+			ghbn_free(ghbn_cache[lowi].ent); /* XXX not thread-safe */
+		ghbn_cache[lowi].name[0] = '\0';
+
+		if((ret=ghbn_cache[lowi].ent=ghbn_dup(ret)) == NULL)
+			{
+			BIOerr(BIO_F_BIO_GETHOSTBYNAME,ERR_R_MALLOC_FAILURE);
+			goto end;
+			}
+		strncpy(ghbn_cache[lowi].name,name,128);
+		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;
+		}
+end:
+#  if 0
+	CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME);
+#  endif
+	return(ret);
+#endif
+	}
+
+
+int BIO_sock_init(void)
+	{
+#ifdef OPENSSL_SYS_WINDOWS
+	static struct WSAData wsa_state;
+
+	if (!wsa_init_done)
+		{
+		int err;
+
+		wsa_init_done=1;
+		memset(&wsa_state,0,sizeof(wsa_state));
+		/* Not making wsa_state available to the rest of the
+		 * code is formally wrong. But the structures we use
+		 * are [beleived to be] invariable among Winsock DLLs,
+		 * while API availability is [expected to be] probed
+		 * at run-time with DSO_global_lookup. */
+		if (WSAStartup(0x0202,&wsa_state)!=0)
+			{
+			err=WSAGetLastError();
+			SYSerr(SYS_F_WSASTARTUP,err);
+			BIOerr(BIO_F_BIO_SOCK_INIT,BIO_R_WSASTARTUP);
+			return(-1);
+			}
+		}
+#endif /* OPENSSL_SYS_WINDOWS */
+#ifdef WATT32
+	extern int _watt_do_exit;
+	_watt_do_exit = 0;    /* don't make sock_init() call exit() */
+	if (sock_init())
+		return (-1);
+#endif
+
+#if defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
+    WORD wVerReq;
+    WSADATA wsaData;
+    int err;
+
+    if (!wsa_init_done)
+    {
+        wsa_init_done=1;
+        wVerReq = MAKEWORD( 2, 0 );
+        err = WSAStartup(wVerReq,&wsaData);
+        if (err != 0)
+        {
+            SYSerr(SYS_F_WSASTARTUP,err);
+            BIOerr(BIO_F_BIO_SOCK_INIT,BIO_R_WSASTARTUP);
+            return(-1);
+			}
+		}
+#endif
+
+	return(1);
+	}
+
+void BIO_sock_cleanup(void)
+	{
+#ifdef OPENSSL_SYS_WINDOWS
+	if (wsa_init_done)
+		{
+		wsa_init_done=0;
+#if 0		/* this call is claimed to be non-present in Winsock2 */
+		WSACancelBlockingCall();
+#endif
+		WSACleanup();
+		}
+#elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
+   if (wsa_init_done)
+        {
+        wsa_init_done=0;
+        WSACleanup();
+		}
+#endif
+	}
+
+#if !defined(OPENSSL_SYS_VMS) || __VMS_VER >= 70000000
+
+int BIO_socket_ioctl(int fd, long type, void *arg)
+	{
+	int i;
+
+#ifdef __DJGPP__
+	i=ioctlsocket(fd,type,(char *)arg);
+#else
+# if defined(OPENSSL_SYS_VMS)
+	/* 2011-02-18 SMS.
+	 * VMS ioctl() can't tolerate a 64-bit "void *arg", but we
+	 * observe that all the consumers pass in an "unsigned long *",
+	 * so we arrange a local copy with a short pointer, and use
+	 * that, instead.
+	 */
+#  if __INITIAL_POINTER_SIZE == 64
+#   define ARG arg_32p
+#   pragma pointer_size save
+#   pragma pointer_size 32
+	unsigned long arg_32;
+	unsigned long *arg_32p;
+#   pragma pointer_size restore
+	arg_32p = &arg_32;
+	arg_32 = *((unsigned long *) arg);
+#  else /* __INITIAL_POINTER_SIZE == 64 */
+#   define ARG arg
+#  endif /* __INITIAL_POINTER_SIZE == 64 [else] */
+# else /* defined(OPENSSL_SYS_VMS) */
+#  define ARG arg
+# endif /* defined(OPENSSL_SYS_VMS) [else] */
+
+	i=ioctlsocket(fd,type,ARG);
+#endif /* __DJGPP__ */
+	if (i < 0)
+		SYSerr(SYS_F_IOCTLSOCKET,get_last_socket_error());
+	return(i);
+	}
+#endif /* __VMS_VER */
+
+/* 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(const 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(0);
+			}
+		else if (c == '.')
+			{
+			if (!ok) return(-1);
+			if (num == 3) return(0);
+			num++;
+			ok=0;
+			}
+		else if (c == '\0' && (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(char *host, int bind_mode)
+	{
+	int ret=0;
+	union {
+		struct sockaddr sa;
+		struct sockaddr_in sa_in;
+#if OPENSSL_USE_IPV6
+		struct sockaddr_in6 sa_in6;
+#endif
+	} server,client;
+	int s=INVALID_SOCKET,cs,addrlen;
+	unsigned char ip[4];
+	unsigned short port;
+	char *str=NULL,*e;
+	char *h,*p;
+	unsigned long l;
+	int err_num;
+
+	if (BIO_sock_init() != 1) 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;
+			}
+		else if (*e == '/')
+			{
+			*e='\0';
+			break;
+			}
+		}
+	if (p)	*p++='\0';	/* points at last ':', '::port' is special [see below] */
+	else	p=h,h=NULL;
+
+#ifdef EAI_FAMILY
+	do {
+	static union {	void *p;
+			int (WSAAPI *f)(const char *,const char *,
+				 const struct addrinfo *,
+				 struct addrinfo **);
+			} p_getaddrinfo = {NULL};
+	static union {	void *p;
+			void (WSAAPI *f)(struct addrinfo *);
+			} p_freeaddrinfo = {NULL};
+	struct addrinfo *res,hint;
+
+	if (p_getaddrinfo.p==NULL)
+		{
+		if ((p_getaddrinfo.p=DSO_global_lookup("getaddrinfo"))==NULL ||
+		    (p_freeaddrinfo.p=DSO_global_lookup("freeaddrinfo"))==NULL)
+			p_getaddrinfo.p=(void*)-1;
+		}
+	if (p_getaddrinfo.p==(void *)-1) break;
+
+	/* '::port' enforces IPv6 wildcard listener. Some OSes,
+	 * e.g. Solaris, default to IPv6 without any hint. Also
+	 * note that commonly IPv6 wildchard socket can service
+	 * IPv4 connections just as well...  */
+	memset(&hint,0,sizeof(hint));
+	hint.ai_flags = AI_PASSIVE;
+	if (h)
+		{
+		if (strchr(h,':'))
+			{
+			if (h[1]=='\0') h=NULL;
+#if OPENSSL_USE_IPV6
+			hint.ai_family = AF_INET6;
+#else
+			h=NULL;
+#endif
+			}
+		else if (h[0]=='*' && h[1]=='\0')
+			{
+			hint.ai_family = AF_INET;
+			h=NULL;
+			}
+		}
+
+	if ((*p_getaddrinfo.f)(h,p,&hint,&res)) break;
+
+	addrlen = res->ai_addrlen<=sizeof(server) ?
+			res->ai_addrlen :
+			sizeof(server);
+	memcpy(&server, res->ai_addr, addrlen);
+
+	(*p_freeaddrinfo.f)(res);
+	goto again;
+	} while (0);
+#endif
+
+	if (!BIO_get_port(p,&port)) goto err;
+
+	memset((char *)&server,0,sizeof(server));
+	server.sa_in.sin_family=AF_INET;
+	server.sa_in.sin_port=htons(port);
+	addrlen = sizeof(server.sa_in);
+
+	if (h == NULL || strcmp(h,"*") == 0)
+		server.sa_in.sin_addr.s_addr=INADDR_ANY;
+	else
+		{
+                if (!BIO_get_host_ip(h,&(ip[0]))) goto err;
+		l=(unsigned long)
+			((unsigned long)ip[0]<<24L)|
+			((unsigned long)ip[1]<<16L)|
+			((unsigned long)ip[2]<< 8L)|
+			((unsigned long)ip[3]);
+		server.sa_in.sin_addr.s_addr=htonl(l);
+		}
+
+again:
+	s=socket(server.sa.sa_family,SOCK_STREAM,SOCKET_PROTOCOL);
+	if (s == INVALID_SOCKET)
+		{
+		SYSerr(SYS_F_SOCKET,get_last_socket_error());
+		ERR_add_error_data(3,"port='",host,"'");
+		BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_CREATE_SOCKET);
+		goto err;
+		}
+
+#ifdef SO_REUSEADDR
+	if (bind_mode == BIO_BIND_REUSEADDR)
+		{
+		int i=1;
+
+		ret=setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&i,sizeof(i));
+		bind_mode=BIO_BIND_NORMAL;
+		}
+#endif
+	if (bind(s,&server.sa,addrlen) == -1)
+		{
+#ifdef SO_REUSEADDR
+		err_num=get_last_socket_error();
+		if ((bind_mode == BIO_BIND_REUSEADDR_IF_UNUSED) &&
+#ifdef OPENSSL_SYS_WINDOWS
+			/* Some versions of Windows define EADDRINUSE to
+			 * a dummy value.
+			 */
+			(err_num == WSAEADDRINUSE))
+#else
+			(err_num == EADDRINUSE))
+#endif
+			{
+			client = server;
+			if (h == NULL || strcmp(h,"*") == 0)
+				{
+#if OPENSSL_USE_IPV6
+				if (client.sa.sa_family == AF_INET6)
+					{
+					memset(&client.sa_in6.sin6_addr,0,sizeof(client.sa_in6.sin6_addr));
+					client.sa_in6.sin6_addr.s6_addr[15]=1;
+					}
+				else
+#endif
+				if (client.sa.sa_family == AF_INET)
+					{
+					client.sa_in.sin_addr.s_addr=htonl(0x7F000001);
+					}
+				else	goto err;
+				}
+			cs=socket(client.sa.sa_family,SOCK_STREAM,SOCKET_PROTOCOL);
+			if (cs != INVALID_SOCKET)
+				{
+				int ii;
+				ii=connect(cs,&client.sa,addrlen);
+				closesocket(cs);
+				if (ii == INVALID_SOCKET)
+					{
+					bind_mode=BIO_BIND_REUSEADDR;
+					closesocket(s);
+					goto again;
+					}
+				/* else error */
+				}
+			/* else error */
+			}
+#endif
+		SYSerr(SYS_F_BIND,err_num);
+		ERR_add_error_data(3,"port='",host,"'");
+		BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_BIND_SOCKET);
+		goto err;
+		}
+	if (listen(s,MAX_LISTEN) == -1)
+		{
+		SYSerr(SYS_F_BIND,get_last_socket_error());
+		ERR_add_error_data(3,"port='",host,"'");
+		BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_LISTEN_SOCKET);
+		goto err;
+		}
+	ret=1;
+err:
+	if (str != NULL) OPENSSL_free(str);
+	if ((ret == 0) && (s != INVALID_SOCKET))
+		{
+		closesocket(s);
+		s= INVALID_SOCKET;
+		}
+	return(s);
+	}
+
+int BIO_accept(int sock, char **addr)
+	{
+	int ret=INVALID_SOCKET;
+	unsigned long l;
+	unsigned short port;
+	char *p;
+
+	struct {
+	/*
+	 * As for following union. Trouble is that there are platforms
+	 * that have socklen_t and there are platforms that don't, on
+	 * some platforms socklen_t is int and on some size_t. So what
+	 * one can do? One can cook #ifdef spaghetti, which is nothing
+	 * but masochistic. Or one can do union between int and size_t.
+	 * One naturally does it primarily for 64-bit platforms where
+	 * sizeof(int) != sizeof(size_t). But would it work? Note that
+	 * if size_t member is initialized to 0, then later int member
+	 * assignment naturally does the job on little-endian platforms
+	 * regardless accept's expectations! What about big-endians?
+	 * If accept expects int*, then it works, and if size_t*, then
+	 * length value would appear as unreasonably large. But this
+	 * won't prevent it from filling in the address structure. The
+	 * trouble of course would be if accept returns more data than
+	 * actual buffer can accomodate and overwrite stack... That's
+	 * where early OPENSSL_assert comes into picture. Besides, the
+	 * only 64-bit big-endian platform found so far that expects
+	 * size_t* is HP-UX, where stack grows towards higher address.
+	 * <appro>
+	 */
+	union { size_t s; int i; } len;
+	union {
+		struct sockaddr sa;
+		struct sockaddr_in sa_in;
+#if OPENSSL_USE_IPV6
+		struct sockaddr_in6 sa_in6;
+#endif
+		} from;
+	} sa;
+
+	sa.len.s=0;
+	sa.len.i=sizeof(sa.from);
+	memset(&sa.from,0,sizeof(sa.from));
+	ret=accept(sock,&sa.from.sa,(void *)&sa.len);
+	if (sizeof(sa.len.i)!=sizeof(sa.len.s) && sa.len.i==0)
+		{
+		OPENSSL_assert(sa.len.s<=sizeof(sa.from));
+		sa.len.i = (int)sa.len.s;
+		/* use sa.len.i from this point */
+		}
+	if (ret == INVALID_SOCKET)
+		{
+		if(BIO_sock_should_retry(ret)) return -2;
+		SYSerr(SYS_F_ACCEPT,get_last_socket_error());
+		BIOerr(BIO_F_BIO_ACCEPT,BIO_R_ACCEPT_ERROR);
+		goto end;
+		}
+
+	if (addr == NULL) goto end;
+
+#ifdef EAI_FAMILY
+	do {
+	char   h[NI_MAXHOST],s[NI_MAXSERV];
+	size_t nl;
+	static union {	void *p;
+			int (WSAAPI *f)(const struct sockaddr *,size_t/*socklen_t*/,
+				 char *,size_t,char *,size_t,int);
+			} p_getnameinfo = {NULL};
+			/* 2nd argument to getnameinfo is specified to
+			 * be socklen_t. Unfortunately there is a number
+			 * of environments where socklen_t is not defined.
+			 * As it's passed by value, it's safe to pass it
+			 * as size_t... <appro> */
+
+	if (p_getnameinfo.p==NULL)
+		{
+		if ((p_getnameinfo.p=DSO_global_lookup("getnameinfo"))==NULL)
+			p_getnameinfo.p=(void*)-1;
+		}
+	if (p_getnameinfo.p==(void *)-1) break;
+
+	if ((*p_getnameinfo.f)(&sa.from.sa,sa.len.i,h,sizeof(h),s,sizeof(s),
+	    NI_NUMERICHOST|NI_NUMERICSERV)) break;
+	nl = strlen(h)+strlen(s)+2;
+	p = *addr;
+	if (p)	{ *p = '\0'; p = OPENSSL_realloc(p,nl);	}
+	else	{ p = OPENSSL_malloc(nl);		}
+	if (p==NULL)
+		{
+		BIOerr(BIO_F_BIO_ACCEPT,ERR_R_MALLOC_FAILURE);
+		goto end;
+		}
+	*addr = p;
+	BIO_snprintf(*addr,nl,"%s:%s",h,s);
+	goto end;
+	} while(0);
+#endif
+	if (sa.from.sa.sa_family != AF_INET) goto end;
+	l=ntohl(sa.from.sa_in.sin_addr.s_addr);
+	port=ntohs(sa.from.sa_in.sin_port);
+	if (*addr == NULL)
+		{
+		if ((p=OPENSSL_malloc(24)) == NULL)
+			{
+			BIOerr(BIO_F_BIO_ACCEPT,ERR_R_MALLOC_FAILURE);
+			goto end;
+			}
+		*addr=p;
+		}
+	BIO_snprintf(*addr,24,"%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(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);
+	}
+
+int BIO_socket_nbio(int s, int mode)
+	{
+	int ret= -1;
+	int l;
+
+	l=mode;
+#ifdef FIONBIO
+	ret=BIO_socket_ioctl(s,FIONBIO,&l);
+#endif
+	return(ret == 0);
+	}
+#endif
