--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libssl/src/bio_ssl.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,628 @@
+/* ssl/bio_ssl.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 <string.h>
+#include <errno.h>
+#include <openssl/crypto.h>
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/ssl.h>
+
+#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
+#include "libssl_wsd.h"
+#endif
+
+static int ssl_write(BIO *h, const char *buf, int num);
+static int ssl_read(BIO *h, char *buf, int size);
+static int ssl_puts(BIO *h, const char *str);
+static long ssl_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int ssl_new(BIO *h);
+static int ssl_free(BIO *data);
+static long ssl_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
+typedef struct bio_ssl_st
+	{
+	SSL *ssl; /* The ssl handle :-) */
+	/* re-negotiate every time the total number of bytes is this size */
+	int num_renegotiates;
+	unsigned long renegotiate_count;
+	unsigned long byte_count;
+	unsigned long renegotiate_timeout;
+	unsigned long last_time;
+	} BIO_SSL;
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#ifndef EMULATOR
+
+	static BIO_METHOD methods_sslp=
+#else
+	const BIO_METHOD temp_methods_sslp=
+
+#endif
+	{
+	BIO_TYPE_SSL,"ssl",
+	ssl_write,
+	ssl_read,
+	ssl_puts,
+	NULL, /* ssl_gets, */
+	ssl_ctrl,
+	ssl_new,
+	ssl_free,
+	ssl_callback_ctrl,
+	};
+#ifdef __cplusplus
+}
+#endif
+
+#ifdef EMULATOR
+
+GET_STATIC_VAR_FROM_TLS(methods_sslp,bio_ssl,BIO_METHOD)
+
+#define methods_sslp (*GET_WSD_VAR_NAME(methods_sslp,bio_ssl,s)())
+	
+#endif //EMULATOR
+
+
+
+EXPORT_C BIO_METHOD *BIO_f_ssl(void)
+	{
+	return(&methods_sslp);
+	}
+
+static int ssl_new(BIO *bi)
+	{
+	BIO_SSL *bs;
+
+	bs=(BIO_SSL *)OPENSSL_malloc(sizeof(BIO_SSL));
+	if (bs == NULL)
+		{
+		BIOerr(BIO_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
+		return(0);
+		}
+	memset(bs,0,sizeof(BIO_SSL));
+	bi->init=0;
+	bi->ptr=(char *)bs;
+	bi->flags=0;
+	return(1);
+	}
+
+static int ssl_free(BIO *a)
+	{
+	BIO_SSL *bs;
+
+	if (a == NULL) return(0);
+	bs=(BIO_SSL *)a->ptr;
+	if (bs->ssl != NULL) SSL_shutdown(bs->ssl);
+	if (a->shutdown)
+		{
+		if (a->init && (bs->ssl != NULL))
+			SSL_free(bs->ssl);
+		a->init=0;
+		a->flags=0;
+		}
+	if (a->ptr != NULL)
+		OPENSSL_free(a->ptr);
+	return(1);
+	}
+	
+static int ssl_read(BIO *b, char *out, int outl)
+	{
+	int ret=1;
+	BIO_SSL *sb;
+	SSL *ssl;
+	int retry_reason=0;
+	int r=0;
+
+	if (out == NULL) return(0);
+	sb=(BIO_SSL *)b->ptr;
+	ssl=sb->ssl;
+
+	BIO_clear_retry_flags(b);
+
+#if 0
+	if (!SSL_is_init_finished(ssl))
+		{
+/*		ret=SSL_do_handshake(ssl); */
+		if (ret > 0)
+			{
+
+			outflags=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY);
+			ret= -1;
+			goto end;
+			}
+		}
+#endif
+/*	if (ret > 0) */
+	ret=SSL_read(ssl,out,outl);
+
+	switch (SSL_get_error(ssl,ret))
+		{
+	case SSL_ERROR_NONE:
+		if (ret <= 0) break;
+		if (sb->renegotiate_count > 0)
+			{
+			sb->byte_count+=ret;
+			if (sb->byte_count > sb->renegotiate_count)
+				{
+				sb->byte_count=0;
+				sb->num_renegotiates++;
+				SSL_renegotiate(ssl);
+				r=1;
+				}
+			}
+		if ((sb->renegotiate_timeout > 0) && (!r))
+			{
+			unsigned long tm;
+
+			tm=(unsigned long)time(NULL);
+			if (tm > sb->last_time+sb->renegotiate_timeout)
+				{
+				sb->last_time=tm;
+				sb->num_renegotiates++;
+				SSL_renegotiate(ssl);
+				}
+			}
+
+		break;
+	case SSL_ERROR_WANT_READ:
+		BIO_set_retry_read(b);
+		break;
+	case SSL_ERROR_WANT_WRITE:
+		BIO_set_retry_write(b);
+		break;
+	case SSL_ERROR_WANT_X509_LOOKUP:
+		BIO_set_retry_special(b);
+		retry_reason=BIO_RR_SSL_X509_LOOKUP;
+		break;
+	case SSL_ERROR_WANT_ACCEPT:
+		BIO_set_retry_special(b);
+		retry_reason=BIO_RR_ACCEPT;
+		break;
+	case SSL_ERROR_WANT_CONNECT:
+		BIO_set_retry_special(b);
+		retry_reason=BIO_RR_CONNECT;
+		break;
+	case SSL_ERROR_SYSCALL:
+	case SSL_ERROR_SSL:
+	case SSL_ERROR_ZERO_RETURN:
+	default:
+		break;
+		}
+
+	b->retry_reason=retry_reason;
+	return(ret);
+	}
+
+static int ssl_write(BIO *b, const char *out, int outl)
+	{
+	int ret,r=0;
+	int retry_reason=0;
+	SSL *ssl;
+	BIO_SSL *bs;
+
+	if (out == NULL) return(0);
+	bs=(BIO_SSL *)b->ptr;
+	ssl=bs->ssl;
+
+	BIO_clear_retry_flags(b);
+
+/*	ret=SSL_do_handshake(ssl);
+	if (ret > 0) */
+	ret=SSL_write(ssl,out,outl);
+
+	switch (SSL_get_error(ssl,ret))
+		{
+	case SSL_ERROR_NONE:
+		if (ret <= 0) break;
+		if (bs->renegotiate_count > 0)
+			{
+			bs->byte_count+=ret;
+			if (bs->byte_count > bs->renegotiate_count)
+				{
+				bs->byte_count=0;
+				bs->num_renegotiates++;
+				SSL_renegotiate(ssl);
+				r=1;
+				}
+			}
+		if ((bs->renegotiate_timeout > 0) && (!r))
+			{
+			unsigned long tm;
+
+			tm=(unsigned long)time(NULL);
+			if (tm > bs->last_time+bs->renegotiate_timeout)
+				{
+				bs->last_time=tm;
+				bs->num_renegotiates++;
+				SSL_renegotiate(ssl);
+				}
+			}
+		break;
+	case SSL_ERROR_WANT_WRITE:
+		BIO_set_retry_write(b);
+		break;
+	case SSL_ERROR_WANT_READ:
+		BIO_set_retry_read(b);
+		break;
+	case SSL_ERROR_WANT_X509_LOOKUP:
+		BIO_set_retry_special(b);
+		retry_reason=BIO_RR_SSL_X509_LOOKUP;
+		break;
+	case SSL_ERROR_WANT_CONNECT:
+		BIO_set_retry_special(b);
+		retry_reason=BIO_RR_CONNECT;
+	case SSL_ERROR_SYSCALL:
+	case SSL_ERROR_SSL:
+	default:
+		break;
+		}
+
+	b->retry_reason=retry_reason;
+	return(ret);
+	}
+
+static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
+	{
+	SSL **sslp,*ssl;
+	BIO_SSL *bs;
+	BIO *dbio,*bio;
+	long ret=1;
+
+	bs=(BIO_SSL *)b->ptr;
+	ssl=bs->ssl;
+	if ((ssl == NULL)  && (cmd != BIO_C_SET_SSL))
+		return(0);
+	switch (cmd)
+		{
+	case BIO_CTRL_RESET:
+		SSL_shutdown(ssl);
+
+		if (ssl->handshake_func == ssl->method->ssl_connect)
+			SSL_set_connect_state(ssl);
+		else if (ssl->handshake_func == ssl->method->ssl_accept)
+			SSL_set_accept_state(ssl);
+
+		SSL_clear(ssl);
+
+		if (b->next_bio != NULL)
+			ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+		else if (ssl->rbio != NULL)
+			ret=BIO_ctrl(ssl->rbio,cmd,num,ptr);
+		else
+			ret=1;
+		break;
+	case BIO_CTRL_INFO:
+		ret=0;
+		break;
+	case BIO_C_SSL_MODE:
+		if (num) /* client mode */
+			SSL_set_connect_state(ssl);
+		else
+			SSL_set_accept_state(ssl);
+		break;
+	case BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT:
+		ret=bs->renegotiate_timeout;
+		if (num < 60) num=5;
+		bs->renegotiate_timeout=(unsigned long)num;
+		bs->last_time=(unsigned long)time(NULL);
+		break;
+	case BIO_C_SET_SSL_RENEGOTIATE_BYTES:
+		ret=bs->renegotiate_count;
+		if ((long)num >=512)
+			bs->renegotiate_count=(unsigned long)num;
+		break;
+	case BIO_C_GET_SSL_NUM_RENEGOTIATES:
+		ret=bs->num_renegotiates;
+		break;
+	case BIO_C_SET_SSL:
+		if (ssl != NULL)
+			ssl_free(b);
+		b->shutdown=(int)num;
+		ssl=(SSL *)ptr;
+		((BIO_SSL *)b->ptr)->ssl=ssl;
+		bio=SSL_get_rbio(ssl);
+		if (bio != NULL)
+			{
+			if (b->next_bio != NULL)
+				BIO_push(bio,b->next_bio);
+			b->next_bio=bio;
+			CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO);
+			}
+		b->init=1;
+		break;
+	case BIO_C_GET_SSL:
+		if (ptr != NULL)
+			{
+			sslp=(SSL **)ptr;
+			*sslp=ssl;
+			}
+		else
+			ret=0;
+		break;
+	case BIO_CTRL_GET_CLOSE:
+		ret=b->shutdown;
+		break;
+	case BIO_CTRL_SET_CLOSE:
+		b->shutdown=(int)num;
+		break;
+	case BIO_CTRL_WPENDING:
+		ret=BIO_ctrl(ssl->wbio,cmd,num,ptr);
+		break;
+	case BIO_CTRL_PENDING:
+		ret=SSL_pending(ssl);
+		if (ret == 0)
+			ret=BIO_pending(ssl->rbio);
+		break;
+	case BIO_CTRL_FLUSH:
+		BIO_clear_retry_flags(b);
+		ret=BIO_ctrl(ssl->wbio,cmd,num,ptr);
+		BIO_copy_next_retry(b);
+		break;
+	case BIO_CTRL_PUSH:
+		if ((b->next_bio != NULL) && (b->next_bio != ssl->rbio))
+			{
+			SSL_set_bio(ssl,b->next_bio,b->next_bio);
+			CRYPTO_add(&b->next_bio->references,1,CRYPTO_LOCK_BIO);
+			}
+		break;
+	case BIO_CTRL_POP:
+		/* ugly bit of a hack */
+		if (ssl->rbio != ssl->wbio) /* we are in trouble :-( */
+			{
+			BIO_free_all(ssl->wbio);
+			}
+		if (b->next_bio != NULL)
+			{
+			CRYPTO_add(&b->next_bio->references,1,CRYPTO_LOCK_BIO);
+			}
+		ssl->wbio=NULL;
+		ssl->rbio=NULL;
+		break;
+	case BIO_C_DO_STATE_MACHINE:
+		BIO_clear_retry_flags(b);
+
+		b->retry_reason=0;
+		ret=(int)SSL_do_handshake(ssl);
+
+		switch (SSL_get_error(ssl,(int)ret))
+			{
+		case SSL_ERROR_WANT_READ:
+			BIO_set_flags(b,
+				BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY);
+			break;
+		case SSL_ERROR_WANT_WRITE:
+			BIO_set_flags(b,
+				BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY);
+			break;
+		case SSL_ERROR_WANT_CONNECT:
+			BIO_set_flags(b,
+				BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY);
+			b->retry_reason=b->next_bio->retry_reason;
+			break;
+		default:
+			break;
+			}
+		break;
+	case BIO_CTRL_DUP:
+		dbio=(BIO *)ptr;
+		if (((BIO_SSL *)dbio->ptr)->ssl != NULL)
+			SSL_free(((BIO_SSL *)dbio->ptr)->ssl);
+		((BIO_SSL *)dbio->ptr)->ssl=SSL_dup(ssl);
+		((BIO_SSL *)dbio->ptr)->renegotiate_count=
+			((BIO_SSL *)b->ptr)->renegotiate_count;
+		((BIO_SSL *)dbio->ptr)->byte_count=
+			((BIO_SSL *)b->ptr)->byte_count;
+		((BIO_SSL *)dbio->ptr)->renegotiate_timeout=
+			((BIO_SSL *)b->ptr)->renegotiate_timeout;
+		((BIO_SSL *)dbio->ptr)->last_time=
+			((BIO_SSL *)b->ptr)->last_time;
+		ret=(((BIO_SSL *)dbio->ptr)->ssl != NULL);
+		break;
+	case BIO_C_GET_FD:
+		ret=BIO_ctrl(ssl->rbio,cmd,num,ptr);
+		break;
+	case BIO_CTRL_SET_CALLBACK:
+		{
+#if 0 /* FIXME: Should this be used?  -- Richard Levitte */
+		SSLerr(SSL_F_SSL_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+		ret = -1;
+#else
+		ret=0;
+#endif
+		}
+		break;
+	case BIO_CTRL_GET_CALLBACK:
+		{
+		void (**fptr)(const SSL *xssl,int type,int val);
+
+		fptr=(void (**)(const SSL *xssl,int type,int val))ptr;
+		*fptr=SSL_get_info_callback(ssl);
+		}
+		break;
+	default:
+		ret=BIO_ctrl(ssl->rbio,cmd,num,ptr);
+		break;
+		}
+	return(ret);
+	}
+
+static long ssl_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+	{
+	SSL *ssl;
+	BIO_SSL *bs;
+	long ret=1;
+
+	bs=(BIO_SSL *)b->ptr;
+	ssl=bs->ssl;
+	switch (cmd)
+		{
+	case BIO_CTRL_SET_CALLBACK:
+		{
+		/* FIXME: setting this via a completely different prototype
+		   seems like a crap idea */
+		SSL_set_info_callback(ssl,(void (*)(const SSL *,int,int))fp);
+		}
+		break;
+	default:
+		ret=BIO_callback_ctrl(ssl->rbio,cmd,fp);
+		break;
+		}
+	return(ret);
+	}
+
+static int ssl_puts(BIO *bp, const char *str)
+	{
+	int n,ret;
+
+	n=strlen(str);
+	ret=BIO_write(bp,str,n);
+	return(ret);
+	}
+
+EXPORT_C BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx)
+	{
+#ifndef OPENSSL_NO_SOCK
+	BIO *ret=NULL,*buf=NULL,*ssl=NULL;
+
+	if ((buf=BIO_new(BIO_f_buffer())) == NULL)
+		return(NULL);
+	if ((ssl=BIO_new_ssl_connect(ctx)) == NULL)
+		goto err;
+	if ((ret=BIO_push(buf,ssl)) == NULL)
+		goto err;
+	return(ret);
+err:
+	if (buf != NULL) BIO_free(buf);
+	if (ssl != NULL) BIO_free(ssl);
+#endif
+	return(NULL);
+	}
+
+EXPORT_C BIO *BIO_new_ssl_connect(SSL_CTX *ctx)
+	{
+	BIO *ret=NULL,*con=NULL,*ssl=NULL;
+
+	if ((con=BIO_new(BIO_s_connect())) == NULL)
+		return(NULL);
+	if ((ssl=BIO_new_ssl(ctx,1)) == NULL)
+		goto err;
+	if ((ret=BIO_push(ssl,con)) == NULL)
+		goto err;
+	return(ret);
+err:
+	if (con != NULL) BIO_free(con);
+	if (ret != NULL) BIO_free(ret);
+	return(NULL);
+	}
+
+EXPORT_C BIO *BIO_new_ssl(SSL_CTX *ctx, int client)
+	{
+	BIO *ret;
+	SSL *ssl;
+
+	if ((ret=BIO_new(BIO_f_ssl())) == NULL)
+		return(NULL);
+	if ((ssl=SSL_new(ctx)) == NULL)
+		{
+		BIO_free(ret);
+		return(NULL);
+		}
+	if (client)
+		SSL_set_connect_state(ssl);
+	else
+		SSL_set_accept_state(ssl);
+		
+	BIO_set_ssl(ret,ssl,BIO_CLOSE);
+	return(ret);
+	}
+
+EXPORT_C int BIO_ssl_copy_session_id(BIO *t, BIO *f)
+	{
+	t=BIO_find_type(t,BIO_TYPE_SSL);
+	f=BIO_find_type(f,BIO_TYPE_SSL);
+	if ((t == NULL) || (f == NULL))
+		return(0);
+	if (	(((BIO_SSL *)t->ptr)->ssl == NULL) || 
+		(((BIO_SSL *)f->ptr)->ssl == NULL))
+		return(0);
+	SSL_copy_session_id(((BIO_SSL *)t->ptr)->ssl,((BIO_SSL *)f->ptr)->ssl);
+	return(1);
+	}
+
+EXPORT_C void BIO_ssl_shutdown(BIO *b)
+	{
+	SSL *s;
+
+	while (b != NULL)
+		{
+		if (b->method->type == BIO_TYPE_SSL)
+			{
+			s=((BIO_SSL *)b->ptr)->ssl;
+			SSL_shutdown(s);
+			break;
+			}
+		b=b->next_bio;
+		}
+	}