--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/bio/b_sock.c Fri Jun 04 16:20:51 2010 +0100
@@ -0,0 +1,796 @@
+/* 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.]
+ */
+
+/*
+ © Portions copyright (c) 2006 Nokia Corporation. All rights reserved.
+ */
+
+
+#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"
+#endif
+#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
+#include "libcrypto_wsd_macros.h"
+#include "libcrypto_wsd.h"
+#endif
+
+
+#ifndef OPENSSL_NO_SOCK
+
+#ifdef OPENSSL_SYS_WIN16
+#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
+#else
+#define SOCKET_PROTOCOL IPPROTO_TCP
+#endif
+
+#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
+
+#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
+EXPORT_C 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;
+ }
+
+EXPORT_C 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 *'
+ */
+ s=getservbyname(
+#ifndef CONST_STRICT
+ (char *)
+#endif
+ str,"tcp");
+ 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);
+ }
+
+EXPORT_C int BIO_sock_error(int sock)
+ {
+ int j,i;
+ int size;
+
+ 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
+
+EXPORT_C 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 */
+ return gethostbyname(name);
+#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 *'
+ */
+ ret=gethostbyname(
+# ifndef CONST_STRICT
+ (char *)
+# endif
+ name);
+
+ 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
+ }
+
+
+EXPORT_C 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));
+ 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 /* 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);
+ }
+
+EXPORT_C void BIO_sock_cleanup(void)
+ {
+#ifdef OPENSSL_SYS_WINDOWS
+ if (wsa_init_done)
+ {
+ wsa_init_done=0;
+#ifndef OPENSSL_SYS_WINCE
+ 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
+
+EXPORT_C int BIO_socket_ioctl(int fd, long type, void *arg)
+ {
+ int i;
+
+#ifdef __DJGPP__
+ i=ioctlsocket(fd,type,(char *)arg);
+#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);
+ }
+
+EXPORT_C int BIO_get_accept_socket(char *host, int bind_mode)
+ {
+ int ret=0;
+ struct sockaddr_in server,client;
+ int s=INVALID_SOCKET,cs;
+ unsigned char ip[4];
+ unsigned short port;
+ char *str=NULL,*e;
+ const 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[1]);
+ *e='\0';
+ }
+ else if (*e == '/')
+ {
+ *e='\0';
+ break;
+ }
+ }
+
+ if (p == NULL)
+ {
+ p=h;
+ h="*";
+ }
+
+ if (!BIO_get_port(p,&port)) goto err;
+
+ memset((char *)&server,0,sizeof(server));
+ server.sin_family=AF_INET;
+ server.sin_port=htons(port);
+
+ if (strcmp(h,"*") == 0)
+ server.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.sin_addr.s_addr=htonl(l);
+ }
+
+again:
+ s=socket(AF_INET,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,(struct sockaddr *)&server,sizeof(server)) == -1)
+ {
+#ifdef SO_REUSEADDR
+ err_num=get_last_socket_error();
+ if ((bind_mode == BIO_BIND_REUSEADDR_IF_UNUSED) &&
+ (err_num == EADDRINUSE))
+ {
+ memcpy((char *)&client,(char *)&server,sizeof(server));
+ if (strcmp(h,"*") == 0)
+ client.sin_addr.s_addr=htonl(0x7F000001);
+ cs=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
+ if (cs != INVALID_SOCKET)
+ {
+ int ii;
+ ii=connect(cs,(struct sockaddr *)&client,
+ sizeof(client));
+ 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);
+ }
+#ifdef EMULATOR
+GET_STATIC_VAR_FROM_TLS(from,b_sock,struct sockaddr_in)
+#define from (*GET_WSD_VAR_NAME(from,b_sock, s)())
+#endif
+
+EXPORT_C int BIO_accept(int sock, char **addr)
+ {
+ int ret=INVALID_SOCKET;
+#ifndef EMULATOR
+ static struct sockaddr_in from;
+#endif
+ unsigned long l;
+ unsigned short port;
+ int len;
+ char *p;
+
+ memset((char *)&from,0,sizeof(from));
+ len=sizeof(from);
+ /* Note: under VMS with SOCKETSHR the fourth parameter is currently
+ * of type (int *) 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 (int *) or (void *).
+ */
+ ret=accept(sock,(struct sockaddr *)&from,(void *)&len);
+ 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;
+
+ l=ntohl(from.sin_addr.s_addr);
+ port=ntohs(from.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);
+ }
+
+EXPORT_C 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);
+ }
+#endif
+
+EXPORT_C 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);
+ }