Merged origin/release (checked in because wanted to merge new stuff)

1 files changed, 844 insertions, 857 deletions

diff --git a/openssl/crypto/bio/b_sock.c b/openssl/crypto/bio/b_sock.c
index 41f958be7..5bad0a2ba 100644
--- a/openssl/crypto/bio/b_sock.c
+++ b/openssl/crypto/bio/b_sock.c
@@ -5,21 +5,21 @@
  * 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:
@@ -34,10 +34,10 @@
  *     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 
+ * 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
@@ -49,7 +49,7 @@
  * 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
@@ -63,30 +63,25 @@
 #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>
+# include <netdb.h>
+# if defined(NETWARE_CLIB)
+#  include <sys/ioctl.h>
 NETDB_DEFINE_CONTEXT
+# endif
 #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
+# 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
@@ -95,881 +90,873 @@ static int wsa_init_done=0;
  * 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
+# 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
+# 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;
+{
+    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;
-	}
+    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 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
+{
+    int j, i;
+    union {
+        size_t s;
+        int i;
+    } size;
+
+# if defined(OPENSSL_SYS_BEOS_R5)
+    return 0;
+# endif
+
+    /* heuristic way to adapt for platforms that expect 64-bit optlen */
+    size.s = 0, size.i = sizeof(j);
+    /*
+     * 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
+{
+    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);
-	}
+{
+    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
+{
+    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 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);
+    /*
+     * 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 *'
-		 */
+    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);
+        ret = gethostbyname((char *)name);
 #  else
-		ret=gethostbyname(name);
+        ret = gethostbyname(name);
 #  endif
 
-		if (ret == NULL)
-			goto end;
-		if (j > 128) /* too big to cache */
-			{
+        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;
+            /*
+             * 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:
+            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);
+    CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME);
 #  endif
-	return(ret);
-#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)
+{
+# 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);
-	}
+    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;
+{
+# 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();
-		}
-#endif
-	}
+    }
+# 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
+# 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 :-( */
+{
+    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);
-	}
+{
+    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 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 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 ret = 0;
+# if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP))
+    int opt;
 
-int BIO_socket_nbio(int s, int mode)
-	{
-	int ret= -1;
-	int l;
+#  ifdef SOL_TCP
+    opt = SOL_TCP;
+#  else
+#   ifdef IPPROTO_TCP
+    opt = IPPROTO_TCP;
+#   endif
+#  endif
 
-	l=mode;
-#ifdef FIONBIO
-	ret=BIO_socket_ioctl(s,FIONBIO,&l);
-#endif
-	return(ret == 0);
-	}
+    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