Update openssl to version openssl-1.0.1m

1 files changed, 609 insertions, 645 deletions

diff --git a/openssl/ssl/s3_both.c b/openssl/ssl/s3_both.c
index 3581fbf4f..77374f41e 100644
--- a/openssl/ssl/s3_both.c
+++ b/openssl/ssl/s3_both.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
@@ -63,7 +63,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    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
@@ -110,7 +110,7 @@
  */
 /* ====================================================================
  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * ECC cipher suite support in OpenSSL originally developed by 
+ * ECC cipher suite support in OpenSSL originally developed by
  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
  */
 
@@ -124,550 +124,529 @@
 #include <openssl/evp.h>
 #include <openssl/x509.h>
 
-/* send s->init_buf in records of type 'type' (SSL3_RT_HANDSHAKE or SSL3_RT_CHANGE_CIPHER_SPEC) */
+/*
+ * send s->init_buf in records of type 'type' (SSL3_RT_HANDSHAKE or
+ * SSL3_RT_CHANGE_CIPHER_SPEC)
+ */
 int ssl3_do_write(SSL *s, int type)
-	{
-	int ret;
-
-	ret=ssl3_write_bytes(s,type,&s->init_buf->data[s->init_off],
-	                     s->init_num);
-	if (ret < 0) return(-1);
-	if (type == SSL3_RT_HANDSHAKE)
-		/* should not be done for 'Hello Request's, but in that case
-		 * we'll ignore the result anyway */
-		ssl3_finish_mac(s,(unsigned char *)&s->init_buf->data[s->init_off],ret);
-	
-	if (ret == s->init_num)
-		{
-		if (s->msg_callback)
-			s->msg_callback(1, s->version, type, s->init_buf->data, (size_t)(s->init_off + s->init_num), s, s->msg_callback_arg);
-		return(1);
-		}
-	s->init_off+=ret;
-	s->init_num-=ret;
-	return(0);
-	}
+{
+    int ret;
+
+    ret = ssl3_write_bytes(s, type, &s->init_buf->data[s->init_off],
+                           s->init_num);
+    if (ret < 0)
+        return (-1);
+    if (type == SSL3_RT_HANDSHAKE)
+        /*
+         * should not be done for 'Hello Request's, but in that case we'll
+         * ignore the result anyway
+         */
+        ssl3_finish_mac(s, (unsigned char *)&s->init_buf->data[s->init_off],
+                        ret);
+
+    if (ret == s->init_num) {
+        if (s->msg_callback)
+            s->msg_callback(1, s->version, type, s->init_buf->data,
+                            (size_t)(s->init_off + s->init_num), s,
+                            s->msg_callback_arg);
+        return (1);
+    }
+    s->init_off += ret;
+    s->init_num -= ret;
+    return (0);
+}
 
 int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen)
-	{
-	unsigned char *p,*d;
-	int i;
-	unsigned long l;
-
-	if (s->state == a)
-		{
-		d=(unsigned char *)s->init_buf->data;
-		p= &(d[4]);
-
-		i=s->method->ssl3_enc->final_finish_mac(s,
-			sender,slen,s->s3->tmp.finish_md);
-		if (i == 0)
-			return 0;
-		s->s3->tmp.finish_md_len = i;
-		memcpy(p, s->s3->tmp.finish_md, i);
-		p+=i;
-		l=i;
-
-                /* Copy the finished so we can use it for
-                   renegotiation checks */
-                if(s->type == SSL_ST_CONNECT)
-                        {
-                         OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
-                         memcpy(s->s3->previous_client_finished, 
-                             s->s3->tmp.finish_md, i);
-                         s->s3->previous_client_finished_len=i;
-                        }
-                else
-                        {
-                        OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
-                        memcpy(s->s3->previous_server_finished, 
-                            s->s3->tmp.finish_md, i);
-                        s->s3->previous_server_finished_len=i;
-                        }
+{
+    unsigned char *p, *d;
+    int i;
+    unsigned long l;
+
+    if (s->state == a) {
+        d = (unsigned char *)s->init_buf->data;
+        p = &(d[4]);
+
+        i = s->method->ssl3_enc->final_finish_mac(s,
+                                                  sender, slen,
+                                                  s->s3->tmp.finish_md);
+        if (i == 0)
+            return 0;
+        s->s3->tmp.finish_md_len = i;
+        memcpy(p, s->s3->tmp.finish_md, i);
+        p += i;
+        l = i;
+
+        /*
+         * Copy the finished so we can use it for renegotiation checks
+         */
+        if (s->type == SSL_ST_CONNECT) {
+            OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
+            memcpy(s->s3->previous_client_finished, s->s3->tmp.finish_md, i);
+            s->s3->previous_client_finished_len = i;
+        } else {
+            OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
+            memcpy(s->s3->previous_server_finished, s->s3->tmp.finish_md, i);
+            s->s3->previous_server_finished_len = i;
+        }
 
 #ifdef OPENSSL_SYS_WIN16
-		/* MSVC 1.5 does not clear the top bytes of the word unless
-		 * I do this.
-		 */
-		l&=0xffff;
+        /*
+         * MSVC 1.5 does not clear the top bytes of the word unless I do
+         * this.
+         */
+        l &= 0xffff;
 #endif
 
-		*(d++)=SSL3_MT_FINISHED;
-		l2n3(l,d);
-		s->init_num=(int)l+4;
-		s->init_off=0;
+        *(d++) = SSL3_MT_FINISHED;
+        l2n3(l, d);
+        s->init_num = (int)l + 4;
+        s->init_off = 0;
 
-		s->state=b;
-		}
+        s->state = b;
+    }
 
-	/* SSL3_ST_SEND_xxxxxx_HELLO_B */
-	return(ssl3_do_write(s,SSL3_RT_HANDSHAKE));
-	}
+    /* SSL3_ST_SEND_xxxxxx_HELLO_B */
+    return (ssl3_do_write(s, SSL3_RT_HANDSHAKE));
+}
 
 #ifndef OPENSSL_NO_NEXTPROTONEG
-/* ssl3_take_mac calculates the Finished MAC for the handshakes messages seen to far. */
+/*
+ * ssl3_take_mac calculates the Finished MAC for the handshakes messages seen
+ * to far.
+ */
 static void ssl3_take_mac(SSL *s)
-	{
-	const char *sender;
-	int slen;
-	/* If no new cipher setup return immediately: other functions will
-	 * set the appropriate error.
-	 */
-	if (s->s3->tmp.new_cipher == NULL)
-		return;
-	if (s->state & SSL_ST_CONNECT)
-		{
-		sender=s->method->ssl3_enc->server_finished_label;
-		slen=s->method->ssl3_enc->server_finished_label_len;
-		}
-	else
-		{
-		sender=s->method->ssl3_enc->client_finished_label;
-		slen=s->method->ssl3_enc->client_finished_label_len;
-		}
-
-	s->s3->tmp.peer_finish_md_len = s->method->ssl3_enc->final_finish_mac(s,
-		sender,slen,s->s3->tmp.peer_finish_md);
-	}
+{
+    const char *sender;
+    int slen;
+    /*
+     * If no new cipher setup return immediately: other functions will set
+     * the appropriate error.
+     */
+    if (s->s3->tmp.new_cipher == NULL)
+        return;
+    if (s->state & SSL_ST_CONNECT) {
+        sender = s->method->ssl3_enc->server_finished_label;
+        slen = s->method->ssl3_enc->server_finished_label_len;
+    } else {
+        sender = s->method->ssl3_enc->client_finished_label;
+        slen = s->method->ssl3_enc->client_finished_label_len;
+    }
+
+    s->s3->tmp.peer_finish_md_len = s->method->ssl3_enc->final_finish_mac(s,
+                                                                          sender,
+                                                                          slen,
+                                                                          s->s3->tmp.peer_finish_md);
+}
 #endif
 
 int ssl3_get_finished(SSL *s, int a, int b)
-	{
-	int al,i,ok;
-	long n;
-	unsigned char *p;
+{
+    int al, i, ok;
+    long n;
+    unsigned char *p;
 
 #ifdef OPENSSL_NO_NEXTPROTONEG
-	/* the mac has already been generated when we received the
-	 * change cipher spec message and is in s->s3->tmp.peer_finish_md.
-	 */ 
+    /*
+     * the mac has already been generated when we received the change cipher
+     * spec message and is in s->s3->tmp.peer_finish_md.
+     */
 #endif
 
-	n=s->method->ssl_get_message(s,
-		a,
-		b,
-		SSL3_MT_FINISHED,
-		64, /* should actually be 36+4 :-) */
-		&ok);
-
-	if (!ok) return((int)n);
-
-	/* If this occurs, we have missed a message */
-	if (!s->s3->change_cipher_spec)
-		{
-		al=SSL_AD_UNEXPECTED_MESSAGE;
-		SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_GOT_A_FIN_BEFORE_A_CCS);
-		goto f_err;
-		}
-	s->s3->change_cipher_spec=0;
-
-	p = (unsigned char *)s->init_msg;
-	i = s->s3->tmp.peer_finish_md_len;
-
-	if (i != n)
-		{
-		al=SSL_AD_DECODE_ERROR;
-		SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_BAD_DIGEST_LENGTH);
-		goto f_err;
-		}
-
-	if (CRYPTO_memcmp(p, s->s3->tmp.peer_finish_md, i) != 0)
-		{
-		al=SSL_AD_DECRYPT_ERROR;
-		SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_DIGEST_CHECK_FAILED);
-		goto f_err;
-		}
-
-        /* Copy the finished so we can use it for
-           renegotiation checks */
-        if(s->type == SSL_ST_ACCEPT)
-                {
-                OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
-                memcpy(s->s3->previous_client_finished, 
-                    s->s3->tmp.peer_finish_md, i);
-                s->s3->previous_client_finished_len=i;
-                }
-        else
-                {
-                OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
-                memcpy(s->s3->previous_server_finished, 
-                    s->s3->tmp.peer_finish_md, i);
-                s->s3->previous_server_finished_len=i;
-                }
+    /* 64 argument should actually be 36+4 :-) */
+    n = s->method->ssl_get_message(s, a, b, SSL3_MT_FINISHED, 64, &ok);
+
+    if (!ok)
+        return ((int)n);
+
+    /* If this occurs, we have missed a message */
+    if (!s->s3->change_cipher_spec) {
+        al = SSL_AD_UNEXPECTED_MESSAGE;
+        SSLerr(SSL_F_SSL3_GET_FINISHED, SSL_R_GOT_A_FIN_BEFORE_A_CCS);
+        goto f_err;
+    }
+    s->s3->change_cipher_spec = 0;
+
+    p = (unsigned char *)s->init_msg;
+    i = s->s3->tmp.peer_finish_md_len;
+
+    if (i != n) {
+        al = SSL_AD_DECODE_ERROR;
+        SSLerr(SSL_F_SSL3_GET_FINISHED, SSL_R_BAD_DIGEST_LENGTH);
+        goto f_err;
+    }
+
+    if (CRYPTO_memcmp(p, s->s3->tmp.peer_finish_md, i) != 0) {
+        al = SSL_AD_DECRYPT_ERROR;
+        SSLerr(SSL_F_SSL3_GET_FINISHED, SSL_R_DIGEST_CHECK_FAILED);
+        goto f_err;
+    }
+
+    /*
+     * Copy the finished so we can use it for renegotiation checks
+     */
+    if (s->type == SSL_ST_ACCEPT) {
+        OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
+        memcpy(s->s3->previous_client_finished, s->s3->tmp.peer_finish_md, i);
+        s->s3->previous_client_finished_len = i;
+    } else {
+        OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
+        memcpy(s->s3->previous_server_finished, s->s3->tmp.peer_finish_md, i);
+        s->s3->previous_server_finished_len = i;
+    }
+
+    return (1);
+ f_err:
+    ssl3_send_alert(s, SSL3_AL_FATAL, al);
+    return (0);
+}
 
-	return(1);
-f_err:
-	ssl3_send_alert(s,SSL3_AL_FATAL,al);
-	return(0);
-	}
-
-/* for these 2 messages, we need to
- * ssl->enc_read_ctx			re-init
- * ssl->s3->read_sequence		zero
- * ssl->s3->read_mac_secret		re-init
- * ssl->session->read_sym_enc		assign
- * ssl->session->read_compression	assign
- * ssl->session->read_hash		assign
+/*-
+ * for these 2 messages, we need to
+ * ssl->enc_read_ctx                    re-init
+ * ssl->s3->read_sequence               zero
+ * ssl->s3->read_mac_secret             re-init
+ * ssl->session->read_sym_enc           assign
+ * ssl->session->read_compression       assign
+ * ssl->session->read_hash              assign
  */
 int ssl3_send_change_cipher_spec(SSL *s, int a, int b)
-	{ 
-	unsigned char *p;
+{
+    unsigned char *p;
 
-	if (s->state == a)
-		{
-		p=(unsigned char *)s->init_buf->data;
-		*p=SSL3_MT_CCS;
-		s->init_num=1;
-		s->init_off=0;
+    if (s->state == a) {
+        p = (unsigned char *)s->init_buf->data;
+        *p = SSL3_MT_CCS;
+        s->init_num = 1;
+        s->init_off = 0;
 
-		s->state=b;
-		}
+        s->state = b;
+    }
 
-	/* SSL3_ST_CW_CHANGE_B */
-	return(ssl3_do_write(s,SSL3_RT_CHANGE_CIPHER_SPEC));
-	}
+    /* SSL3_ST_CW_CHANGE_B */
+    return (ssl3_do_write(s, SSL3_RT_CHANGE_CIPHER_SPEC));
+}
 
 static int ssl3_add_cert_to_buf(BUF_MEM *buf, unsigned long *l, X509 *x)
-	{
-	int n;
-	unsigned char *p;
-
-	n=i2d_X509(x,NULL);
-	if (!BUF_MEM_grow_clean(buf,(int)(n+(*l)+3)))
-		{
-		SSLerr(SSL_F_SSL3_ADD_CERT_TO_BUF,ERR_R_BUF_LIB);
-		return(-1);
-		}
-	p=(unsigned char *)&(buf->data[*l]);
-	l2n3(n,p);
-	i2d_X509(x,&p);
-	*l+=n+3;
-
-	return(0);
-	}
+{
+    int n;
+    unsigned char *p;
+
+    n = i2d_X509(x, NULL);
+    if (!BUF_MEM_grow_clean(buf, (int)(n + (*l) + 3))) {
+        SSLerr(SSL_F_SSL3_ADD_CERT_TO_BUF, ERR_R_BUF_LIB);
+        return (-1);
+    }
+    p = (unsigned char *)&(buf->data[*l]);
+    l2n3(n, p);
+    i2d_X509(x, &p);
+    *l += n + 3;
+
+    return (0);
+}
 
 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x)
-	{
-	unsigned char *p;
-	int i;
-	unsigned long l=7;
-	BUF_MEM *buf;
-	int no_chain;
-
-	if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || s->ctx->extra_certs)
-		no_chain = 1;
-	else
-		no_chain = 0;
-
-	/* TLSv1 sends a chain with nothing in it, instead of an alert */
-	buf=s->init_buf;
-	if (!BUF_MEM_grow_clean(buf,10))
-		{
-		SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
-		return(0);
-		}
-	if (x != NULL)
-		{
-		if (no_chain)
-			{
-			if (ssl3_add_cert_to_buf(buf, &l, x))
-				return(0);
-			}
-		else
-			{
-			X509_STORE_CTX xs_ctx;
-
-			if (!X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,x,NULL))
-				{
-				SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_X509_LIB);
-				return(0);
-				}
-			X509_verify_cert(&xs_ctx);
-			/* Don't leave errors in the queue */
-			ERR_clear_error();
-			for (i=0; i < sk_X509_num(xs_ctx.chain); i++)
-				{
-				x = sk_X509_value(xs_ctx.chain, i);
-
-				if (ssl3_add_cert_to_buf(buf, &l, x))
-					{
-					X509_STORE_CTX_cleanup(&xs_ctx);
-					return 0;
-					}
-				}
-			X509_STORE_CTX_cleanup(&xs_ctx);
-			}
-		}
-	/* Thawte special :-) */
-	for (i=0; i<sk_X509_num(s->ctx->extra_certs); i++)
-		{
-		x=sk_X509_value(s->ctx->extra_certs,i);
-		if (ssl3_add_cert_to_buf(buf, &l, x))
-			return(0);
-		}
-
-	l-=7;
-	p=(unsigned char *)&(buf->data[4]);
-	l2n3(l,p);
-	l+=3;
-	p=(unsigned char *)&(buf->data[0]);
-	*(p++)=SSL3_MT_CERTIFICATE;
-	l2n3(l,p);
-	l+=4;
-	return(l);
-	}
-
-/* Obtain handshake message of message type 'mt' (any if mt == -1),
- * maximum acceptable body length 'max'.
- * The first four bytes (msg_type and length) are read in state 'st1',
- * the body is read in state 'stn'.
+{
+    unsigned char *p;
+    int i;
+    unsigned long l = 7;
+    BUF_MEM *buf;
+    int no_chain;
+
+    if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || s->ctx->extra_certs)
+        no_chain = 1;
+    else
+        no_chain = 0;
+
+    /* TLSv1 sends a chain with nothing in it, instead of an alert */
+    buf = s->init_buf;
+    if (!BUF_MEM_grow_clean(buf, 10)) {
+        SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN, ERR_R_BUF_LIB);
+        return (0);
+    }
+    if (x != NULL) {
+        if (no_chain) {
+            if (ssl3_add_cert_to_buf(buf, &l, x))
+                return (0);
+        } else {
+            X509_STORE_CTX xs_ctx;
+
+            if (!X509_STORE_CTX_init(&xs_ctx, s->ctx->cert_store, x, NULL)) {
+                SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN, ERR_R_X509_LIB);
+                return (0);
+            }
+            X509_verify_cert(&xs_ctx);
+            /* Don't leave errors in the queue */
+            ERR_clear_error();
+            for (i = 0; i < sk_X509_num(xs_ctx.chain); i++) {
+                x = sk_X509_value(xs_ctx.chain, i);
+
+                if (ssl3_add_cert_to_buf(buf, &l, x)) {
+                    X509_STORE_CTX_cleanup(&xs_ctx);
+                    return 0;
+                }
+            }
+            X509_STORE_CTX_cleanup(&xs_ctx);
+        }
+    }
+    /* Thawte special :-) */
+    for (i = 0; i < sk_X509_num(s->ctx->extra_certs); i++) {
+        x = sk_X509_value(s->ctx->extra_certs, i);
+        if (ssl3_add_cert_to_buf(buf, &l, x))
+            return (0);
+    }
+
+    l -= 7;
+    p = (unsigned char *)&(buf->data[4]);
+    l2n3(l, p);
+    l += 3;
+    p = (unsigned char *)&(buf->data[0]);
+    *(p++) = SSL3_MT_CERTIFICATE;
+    l2n3(l, p);
+    l += 4;
+    return (l);
+}
+
+/*
+ * Obtain handshake message of message type 'mt' (any if mt == -1), maximum
+ * acceptable body length 'max'. The first four bytes (msg_type and length)
+ * are read in state 'st1', the body is read in state 'stn'.
  */
 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
-	{
-	unsigned char *p;
-	unsigned long l;
-	long n;
-	int i,al;
-
-	if (s->s3->tmp.reuse_message)
-		{
-		s->s3->tmp.reuse_message=0;
-		if ((mt >= 0) && (s->s3->tmp.message_type != mt))
-			{
-			al=SSL_AD_UNEXPECTED_MESSAGE;
-			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);
-			goto f_err;
-			}
-		*ok=1;
-		s->state = stn;
-		s->init_msg = s->init_buf->data + 4;
-		s->init_num = (int)s->s3->tmp.message_size;
-		return s->init_num;
-		}
-
-	p=(unsigned char *)s->init_buf->data;
-
-	if (s->state == st1) /* s->init_num < 4 */
-		{
-		int skip_message;
-
-		do
-			{
-			while (s->init_num < 4)
-				{
-				i=s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE,
-					&p[s->init_num],4 - s->init_num, 0);
-				if (i <= 0)
-					{
-					s->rwstate=SSL_READING;
-					*ok = 0;
-					return i;
-					}
-				s->init_num+=i;
-				}
-			
-			skip_message = 0;
-			if (!s->server)
-				if (p[0] == SSL3_MT_HELLO_REQUEST)
-					/* The server may always send 'Hello Request' messages --
-					 * we are doing a handshake anyway now, so ignore them
-					 * if their format is correct. Does not count for
-					 * 'Finished' MAC. */
-					if (p[1] == 0 && p[2] == 0 &&p[3] == 0)
-						{
-						s->init_num = 0;
-						skip_message = 1;
-
-						if (s->msg_callback)
-							s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, p, 4, s, s->msg_callback_arg);
-						}
-			}
-		while (skip_message);
-
-		/* s->init_num == 4 */
-
-		if ((mt >= 0) && (*p != mt))
-			{
-			al=SSL_AD_UNEXPECTED_MESSAGE;
-			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);
-			goto f_err;
-			}
-		if ((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) &&
-					(st1 == SSL3_ST_SR_CERT_A) &&
-					(stn == SSL3_ST_SR_CERT_B))
-			{
-			/* At this point we have got an MS SGC second client
-			 * hello (maybe we should always allow the client to
-			 * start a new handshake?). We need to restart the mac.
-			 * Don't increment {num,total}_renegotiations because
-			 * we have not completed the handshake. */
-			ssl3_init_finished_mac(s);
-			}
-
-		s->s3->tmp.message_type= *(p++);
-
-		n2l3(p,l);
-		if (l > (unsigned long)max)
-			{
-			al=SSL_AD_ILLEGAL_PARAMETER;
-			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);
-			goto f_err;
-			}
-		if (l > (INT_MAX-4)) /* BUF_MEM_grow takes an 'int' parameter */
-			{
-			al=SSL_AD_ILLEGAL_PARAMETER;
-			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);
-			goto f_err;
-			}
-		if (l && !BUF_MEM_grow_clean(s->init_buf,(int)l+4))
-			{
-			SSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB);
-			goto err;
-			}
-		s->s3->tmp.message_size=l;
-		s->state=stn;
-
-		s->init_msg = s->init_buf->data + 4;
-		s->init_num = 0;
-		}
-
-	/* next state (stn) */
-	p = s->init_msg;
-	n = s->s3->tmp.message_size - s->init_num;
-	while (n > 0)
-		{
-		i=s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n,0);
-		if (i <= 0)
-			{
-			s->rwstate=SSL_READING;
-			*ok = 0;
-			return i;
-			}
-		s->init_num += i;
-		n -= i;
-		}
+{
+    unsigned char *p;
+    unsigned long l;
+    long n;
+    int i, al;
+
+    if (s->s3->tmp.reuse_message) {
+        s->s3->tmp.reuse_message = 0;
+        if ((mt >= 0) && (s->s3->tmp.message_type != mt)) {
+            al = SSL_AD_UNEXPECTED_MESSAGE;
+            SSLerr(SSL_F_SSL3_GET_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
+            goto f_err;
+        }
+        *ok = 1;
+        s->state = stn;
+        s->init_msg = s->init_buf->data + 4;
+        s->init_num = (int)s->s3->tmp.message_size;
+        return s->init_num;
+    }
+
+    p = (unsigned char *)s->init_buf->data;
+
+    if (s->state == st1) {      /* s->init_num < 4 */
+        int skip_message;
+
+        do {
+            while (s->init_num < 4) {
+                i = s->method->ssl_read_bytes(s, SSL3_RT_HANDSHAKE,
+                                              &p[s->init_num],
+                                              4 - s->init_num, 0);
+                if (i <= 0) {
+                    s->rwstate = SSL_READING;
+                    *ok = 0;
+                    return i;
+                }
+                s->init_num += i;
+            }
+
+            skip_message = 0;
+            if (!s->server)
+                if (p[0] == SSL3_MT_HELLO_REQUEST)
+                    /*
+                     * The server may always send 'Hello Request' messages --
+                     * we are doing a handshake anyway now, so ignore them if
+                     * their format is correct. Does not count for 'Finished'
+                     * MAC.
+                     */
+                    if (p[1] == 0 && p[2] == 0 && p[3] == 0) {
+                        s->init_num = 0;
+                        skip_message = 1;
+
+                        if (s->msg_callback)
+                            s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE,
+                                            p, 4, s, s->msg_callback_arg);
+                    }
+        }
+        while (skip_message);
+
+        /* s->init_num == 4 */
+
+        if ((mt >= 0) && (*p != mt)) {
+            al = SSL_AD_UNEXPECTED_MESSAGE;
+            SSLerr(SSL_F_SSL3_GET_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
+            goto f_err;
+        }
+        if ((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) &&
+            (st1 == SSL3_ST_SR_CERT_A) && (stn == SSL3_ST_SR_CERT_B)) {
+            /*
+             * At this point we have got an MS SGC second client hello (maybe
+             * we should always allow the client to start a new handshake?).
+             * We need to restart the mac. Don't increment
+             * {num,total}_renegotiations because we have not completed the
+             * handshake.
+             */
+            ssl3_init_finished_mac(s);
+        }
+
+        s->s3->tmp.message_type = *(p++);
+
+        n2l3(p, l);
+        if (l > (unsigned long)max) {
+            al = SSL_AD_ILLEGAL_PARAMETER;
+            SSLerr(SSL_F_SSL3_GET_MESSAGE, SSL_R_EXCESSIVE_MESSAGE_SIZE);
+            goto f_err;
+        }
+        if (l > (INT_MAX - 4)) { /* BUF_MEM_grow takes an 'int' parameter */
+            al = SSL_AD_ILLEGAL_PARAMETER;
+            SSLerr(SSL_F_SSL3_GET_MESSAGE, SSL_R_EXCESSIVE_MESSAGE_SIZE);
+            goto f_err;
+        }
+        if (l && !BUF_MEM_grow_clean(s->init_buf, (int)l + 4)) {
+            SSLerr(SSL_F_SSL3_GET_MESSAGE, ERR_R_BUF_LIB);
+            goto err;
+        }
+        s->s3->tmp.message_size = l;
+        s->state = stn;
+
+        s->init_msg = s->init_buf->data + 4;
+        s->init_num = 0;
+    }
+
+    /* next state (stn) */
+    p = s->init_msg;
+    n = s->s3->tmp.message_size - s->init_num;
+    while (n > 0) {
+        i = s->method->ssl_read_bytes(s, SSL3_RT_HANDSHAKE, &p[s->init_num],
+                                      n, 0);
+        if (i <= 0) {
+            s->rwstate = SSL_READING;
+            *ok = 0;
+            return i;
+        }
+        s->init_num += i;
+        n -= i;
+    }
 
 #ifndef OPENSSL_NO_NEXTPROTONEG
-	/* If receiving Finished, record MAC of prior handshake messages for
-	 * Finished verification. */
-	if (*s->init_buf->data == SSL3_MT_FINISHED)
-		ssl3_take_mac(s);
+    /*
+     * If receiving Finished, record MAC of prior handshake messages for
+     * Finished verification.
+     */
+    if (*s->init_buf->data == SSL3_MT_FINISHED)
+        ssl3_take_mac(s);
 #endif
 
-	/* Feed this message into MAC computation. */
-	ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num + 4);
-	if (s->msg_callback)
-		s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data, (size_t)s->init_num + 4, s, s->msg_callback_arg);
-	*ok=1;
-	return s->init_num;
-f_err:
-	ssl3_send_alert(s,SSL3_AL_FATAL,al);
-err:
-	*ok=0;
-	return(-1);
-	}
+    /* Feed this message into MAC computation. */
+    ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num + 4);
+    if (s->msg_callback)
+        s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data,
+                        (size_t)s->init_num + 4, s, s->msg_callback_arg);
+    *ok = 1;
+    return s->init_num;
+ f_err:
+    ssl3_send_alert(s, SSL3_AL_FATAL, al);
+ err:
+    *ok = 0;
+    return (-1);
+}
 
 int ssl_cert_type(X509 *x, EVP_PKEY *pkey)
-	{
-	EVP_PKEY *pk;
-	int ret= -1,i;
-
-	if (pkey == NULL)
-		pk=X509_get_pubkey(x);
-	else
-		pk=pkey;
-	if (pk == NULL) goto err;
-
-	i=pk->type;
-	if (i == EVP_PKEY_RSA)
-		{
-		ret=SSL_PKEY_RSA_ENC;
-		}
-	else if (i == EVP_PKEY_DSA)
-		{
-		ret=SSL_PKEY_DSA_SIGN;
-		}
+{
+    EVP_PKEY *pk;
+    int ret = -1, i;
+
+    if (pkey == NULL)
+        pk = X509_get_pubkey(x);
+    else
+        pk = pkey;
+    if (pk == NULL)
+        goto err;
+
+    i = pk->type;
+    if (i == EVP_PKEY_RSA) {
+        ret = SSL_PKEY_RSA_ENC;
+    } else if (i == EVP_PKEY_DSA) {
+        ret = SSL_PKEY_DSA_SIGN;
+    }
 #ifndef OPENSSL_NO_EC
-	else if (i == EVP_PKEY_EC)
-		{
-		ret = SSL_PKEY_ECC;
-		}	
+    else if (i == EVP_PKEY_EC) {
+        ret = SSL_PKEY_ECC;
+    }
 #endif
-	else if (i == NID_id_GostR3410_94 || i == NID_id_GostR3410_94_cc) 
-		{
-		ret = SSL_PKEY_GOST94;
-		}
-	else if (i == NID_id_GostR3410_2001 || i == NID_id_GostR3410_2001_cc) 
-		{
-		ret = SSL_PKEY_GOST01;
-		}
-err:
-	if(!pkey) EVP_PKEY_free(pk);
-	return(ret);
-	}
+    else if (i == NID_id_GostR3410_94 || i == NID_id_GostR3410_94_cc) {
+        ret = SSL_PKEY_GOST94;
+    } else if (i == NID_id_GostR3410_2001 || i == NID_id_GostR3410_2001_cc) {
+        ret = SSL_PKEY_GOST01;
+    }
+ err:
+    if (!pkey)
+        EVP_PKEY_free(pk);
+    return (ret);
+}
 
 int ssl_verify_alarm_type(long type)
-	{
-	int al;
-
-	switch(type)
-		{
-	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
-	case X509_V_ERR_UNABLE_TO_GET_CRL:
-	case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
-		al=SSL_AD_UNKNOWN_CA;
-		break;
-	case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
-	case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
-	case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
-	case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
-	case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
-	case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
-	case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
-	case X509_V_ERR_CERT_NOT_YET_VALID:
-	case X509_V_ERR_CRL_NOT_YET_VALID:
-	case X509_V_ERR_CERT_UNTRUSTED:
-	case X509_V_ERR_CERT_REJECTED:
-		al=SSL_AD_BAD_CERTIFICATE;
-		break;
-	case X509_V_ERR_CERT_SIGNATURE_FAILURE:
-	case X509_V_ERR_CRL_SIGNATURE_FAILURE:
-		al=SSL_AD_DECRYPT_ERROR;
-		break;
-	case X509_V_ERR_CERT_HAS_EXPIRED:
-	case X509_V_ERR_CRL_HAS_EXPIRED:
-		al=SSL_AD_CERTIFICATE_EXPIRED;
-		break;
-	case X509_V_ERR_CERT_REVOKED:
-		al=SSL_AD_CERTIFICATE_REVOKED;
-		break;
-	case X509_V_ERR_OUT_OF_MEM:
-		al=SSL_AD_INTERNAL_ERROR;
-		break;
-	case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
-	case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
-	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
-	case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
-	case X509_V_ERR_CERT_CHAIN_TOO_LONG:
-	case X509_V_ERR_PATH_LENGTH_EXCEEDED:
-	case X509_V_ERR_INVALID_CA:
-		al=SSL_AD_UNKNOWN_CA;
-		break;
-	case X509_V_ERR_APPLICATION_VERIFICATION:
-		al=SSL_AD_HANDSHAKE_FAILURE;
-		break;
-	case X509_V_ERR_INVALID_PURPOSE:
-		al=SSL_AD_UNSUPPORTED_CERTIFICATE;
-		break;
-	default:
-		al=SSL_AD_CERTIFICATE_UNKNOWN;
-		break;
-		}
-	return(al);
-	}
+{
+    int al;
+
+    switch (type) {
+    case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
+    case X509_V_ERR_UNABLE_TO_GET_CRL:
+    case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
+        al = SSL_AD_UNKNOWN_CA;
+        break;
+    case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
+    case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
+    case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
+    case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
+    case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
+    case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
+    case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
+    case X509_V_ERR_CERT_NOT_YET_VALID:
+    case X509_V_ERR_CRL_NOT_YET_VALID:
+    case X509_V_ERR_CERT_UNTRUSTED:
+    case X509_V_ERR_CERT_REJECTED:
+        al = SSL_AD_BAD_CERTIFICATE;
+        break;
+    case X509_V_ERR_CERT_SIGNATURE_FAILURE:
+    case X509_V_ERR_CRL_SIGNATURE_FAILURE:
+        al = SSL_AD_DECRYPT_ERROR;
+        break;
+    case X509_V_ERR_CERT_HAS_EXPIRED:
+    case X509_V_ERR_CRL_HAS_EXPIRED:
+        al = SSL_AD_CERTIFICATE_EXPIRED;
+        break;
+    case X509_V_ERR_CERT_REVOKED:
+        al = SSL_AD_CERTIFICATE_REVOKED;
+        break;
+    case X509_V_ERR_OUT_OF_MEM:
+        al = SSL_AD_INTERNAL_ERROR;
+        break;
+    case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
+    case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
+    case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
+    case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
+    case X509_V_ERR_CERT_CHAIN_TOO_LONG:
+    case X509_V_ERR_PATH_LENGTH_EXCEEDED:
+    case X509_V_ERR_INVALID_CA:
+        al = SSL_AD_UNKNOWN_CA;
+        break;
+    case X509_V_ERR_APPLICATION_VERIFICATION:
+        al = SSL_AD_HANDSHAKE_FAILURE;
+        break;
+    case X509_V_ERR_INVALID_PURPOSE:
+        al = SSL_AD_UNSUPPORTED_CERTIFICATE;
+        break;
+    default:
+        al = SSL_AD_CERTIFICATE_UNKNOWN;
+        break;
+    }
+    return (al);
+}
 
 #ifndef OPENSSL_NO_BUF_FREELISTS
-/* On some platforms, malloc() performance is bad enough that you can't just
+/*-
+ * On some platforms, malloc() performance is bad enough that you can't just
  * free() and malloc() buffers all the time, so we need to use freelists from
  * unused buffers.  Currently, each freelist holds memory chunks of only a
  * given size (list->chunklen); other sized chunks are freed and malloced.
@@ -686,169 +665,154 @@ int ssl_verify_alarm_type(long type)
  *    - Use a separate SSL_CTX for each option set.
  *    - Improve this code.
  */
-static void *
-freelist_extract(SSL_CTX *ctx, int for_read, int sz)
-	{
-	SSL3_BUF_FREELIST *list;
-	SSL3_BUF_FREELIST_ENTRY *ent = NULL;
-	void *result = NULL;
-
-	CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
-	list = for_read ? ctx->rbuf_freelist : ctx->wbuf_freelist;
-	if (list != NULL && sz == (int)list->chunklen)
-		ent = list->head;
-	if (ent != NULL)
-		{
-		list->head = ent->next;
-		result = ent;
-		if (--list->len == 0)
-			list->chunklen = 0;
-		}
-	CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
-	if (!result)
-		result = OPENSSL_malloc(sz);
-	return result;
+static void *freelist_extract(SSL_CTX *ctx, int for_read, int sz)
+{
+    SSL3_BUF_FREELIST *list;
+    SSL3_BUF_FREELIST_ENTRY *ent = NULL;
+    void *result = NULL;
+
+    CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
+    list = for_read ? ctx->rbuf_freelist : ctx->wbuf_freelist;
+    if (list != NULL && sz == (int)list->chunklen)
+        ent = list->head;
+    if (ent != NULL) {
+        list->head = ent->next;
+        result = ent;
+        if (--list->len == 0)
+            list->chunklen = 0;
+    }
+    CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
+    if (!result)
+        result = OPENSSL_malloc(sz);
+    return result;
 }
 
-static void
-freelist_insert(SSL_CTX *ctx, int for_read, size_t sz, void *mem)
-	{
-	SSL3_BUF_FREELIST *list;
-	SSL3_BUF_FREELIST_ENTRY *ent;
-
-	CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
-	list = for_read ? ctx->rbuf_freelist : ctx->wbuf_freelist;
-	if (list != NULL &&
-	    (sz == list->chunklen || list->chunklen == 0) &&
-	    list->len < ctx->freelist_max_len &&
-	    sz >= sizeof(*ent))
-		{
-		list->chunklen = sz;
-		ent = mem;
-		ent->next = list->head;
-		list->head = ent;
-		++list->len;
-		mem = NULL;
-		}
-
-	CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
-	if (mem)
-		OPENSSL_free(mem);
-	}
+static void freelist_insert(SSL_CTX *ctx, int for_read, size_t sz, void *mem)
+{
+    SSL3_BUF_FREELIST *list;
+    SSL3_BUF_FREELIST_ENTRY *ent;
+
+    CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
+    list = for_read ? ctx->rbuf_freelist : ctx->wbuf_freelist;
+    if (list != NULL &&
+        (sz == list->chunklen || list->chunklen == 0) &&
+        list->len < ctx->freelist_max_len && sz >= sizeof(*ent)) {
+        list->chunklen = sz;
+        ent = mem;
+        ent->next = list->head;
+        list->head = ent;
+        ++list->len;
+        mem = NULL;
+    }
+
+    CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
+    if (mem)
+        OPENSSL_free(mem);
+}
 #else
-#define freelist_extract(c,fr,sz) OPENSSL_malloc(sz)
-#define freelist_insert(c,fr,sz,m) OPENSSL_free(m)
+# define freelist_extract(c,fr,sz) OPENSSL_malloc(sz)
+# define freelist_insert(c,fr,sz,m) OPENSSL_free(m)
 #endif
 
 int ssl3_setup_read_buffer(SSL *s)
-	{
-	unsigned char *p;
-	size_t len,align=0,headerlen;
-	
-	if (SSL_version(s) == DTLS1_VERSION || SSL_version(s) == DTLS1_BAD_VER)
-		headerlen = DTLS1_RT_HEADER_LENGTH;
-	else
-		headerlen = SSL3_RT_HEADER_LENGTH;
+{
+    unsigned char *p;
+    size_t len, align = 0, headerlen;
+
+    if (SSL_version(s) == DTLS1_VERSION || SSL_version(s) == DTLS1_BAD_VER)
+        headerlen = DTLS1_RT_HEADER_LENGTH;
+    else
+        headerlen = SSL3_RT_HEADER_LENGTH;
 
 #if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD!=0
-	align = (-SSL3_RT_HEADER_LENGTH)&(SSL3_ALIGN_PAYLOAD-1);
+    align = (-SSL3_RT_HEADER_LENGTH) & (SSL3_ALIGN_PAYLOAD - 1);
 #endif
 
-	if (s->s3->rbuf.buf == NULL)
-		{
-		len = SSL3_RT_MAX_PLAIN_LENGTH
-			+ SSL3_RT_MAX_ENCRYPTED_OVERHEAD
-			+ headerlen + align;
-		if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER)
-			{
-			s->s3->init_extra = 1;
-			len += SSL3_RT_MAX_EXTRA;
-			}
+    if (s->s3->rbuf.buf == NULL) {
+        len = SSL3_RT_MAX_PLAIN_LENGTH
+            + SSL3_RT_MAX_ENCRYPTED_OVERHEAD + headerlen + align;
+        if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER) {
+            s->s3->init_extra = 1;
+            len += SSL3_RT_MAX_EXTRA;
+        }
 #ifndef OPENSSL_NO_COMP
-		if (!(s->options & SSL_OP_NO_COMPRESSION))
-			len += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
+        if (!(s->options & SSL_OP_NO_COMPRESSION))
+            len += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
 #endif
-		if ((p=freelist_extract(s->ctx, 1, len)) == NULL)
-			goto err;
-		s->s3->rbuf.buf = p;
-		s->s3->rbuf.len = len;
-		}
-
-	s->packet= &(s->s3->rbuf.buf[0]);
-	return 1;
-
-err:
-	SSLerr(SSL_F_SSL3_SETUP_READ_BUFFER,ERR_R_MALLOC_FAILURE);
-	return 0;
-	}
+        if ((p = freelist_extract(s->ctx, 1, len)) == NULL)
+            goto err;
+        s->s3->rbuf.buf = p;
+        s->s3->rbuf.len = len;
+    }
+
+    s->packet = &(s->s3->rbuf.buf[0]);
+    return 1;
+
+ err:
+    SSLerr(SSL_F_SSL3_SETUP_READ_BUFFER, ERR_R_MALLOC_FAILURE);
+    return 0;
+}
 
 int ssl3_setup_write_buffer(SSL *s)
-	{
-	unsigned char *p;
-	size_t len,align=0,headerlen;
+{
+    unsigned char *p;
+    size_t len, align = 0, headerlen;
 
-	if (SSL_version(s) == DTLS1_VERSION || SSL_version(s) == DTLS1_BAD_VER)
-		headerlen = DTLS1_RT_HEADER_LENGTH + 1;
-	else
-		headerlen = SSL3_RT_HEADER_LENGTH;
+    if (SSL_version(s) == DTLS1_VERSION || SSL_version(s) == DTLS1_BAD_VER)
+        headerlen = DTLS1_RT_HEADER_LENGTH + 1;
+    else
+        headerlen = SSL3_RT_HEADER_LENGTH;
 
 #if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD!=0
-	align = (-SSL3_RT_HEADER_LENGTH)&(SSL3_ALIGN_PAYLOAD-1);
+    align = (-SSL3_RT_HEADER_LENGTH) & (SSL3_ALIGN_PAYLOAD - 1);
 #endif
 
-	if (s->s3->wbuf.buf == NULL)
-		{
-		len = s->max_send_fragment
-			+ SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD
-			+ headerlen + align;
+    if (s->s3->wbuf.buf == NULL) {
+        len = s->max_send_fragment
+            + SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD + headerlen + align;
 #ifndef OPENSSL_NO_COMP
-		if (!(s->options & SSL_OP_NO_COMPRESSION))
-			len += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
+        if (!(s->options & SSL_OP_NO_COMPRESSION))
+            len += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
 #endif
-		if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS))
-			len += headerlen + align
-				+ SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD;
+        if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS))
+            len += headerlen + align + SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD;
 
-		if ((p=freelist_extract(s->ctx, 0, len)) == NULL)
-			goto err;
-		s->s3->wbuf.buf = p;
-		s->s3->wbuf.len = len;
-		}
+        if ((p = freelist_extract(s->ctx, 0, len)) == NULL)
+            goto err;
+        s->s3->wbuf.buf = p;
+        s->s3->wbuf.len = len;
+    }
 
-	return 1;
-
-err:
-	SSLerr(SSL_F_SSL3_SETUP_WRITE_BUFFER,ERR_R_MALLOC_FAILURE);
-	return 0;
-	}
+    return 1;
 
+ err:
+    SSLerr(SSL_F_SSL3_SETUP_WRITE_BUFFER, ERR_R_MALLOC_FAILURE);
+    return 0;
+}
 
 int ssl3_setup_buffers(SSL *s)
-	{
-	if (!ssl3_setup_read_buffer(s))
-		return 0;
-	if (!ssl3_setup_write_buffer(s))
-		return 0;
-	return 1;
-	}
+{
+    if (!ssl3_setup_read_buffer(s))
+        return 0;
+    if (!ssl3_setup_write_buffer(s))
+        return 0;
+    return 1;
+}
 
 int ssl3_release_write_buffer(SSL *s)
-	{
-	if (s->s3->wbuf.buf != NULL)
-		{
-		freelist_insert(s->ctx, 0, s->s3->wbuf.len, s->s3->wbuf.buf);
-		s->s3->wbuf.buf = NULL;
-		}
-	return 1;
-	}
+{
+    if (s->s3->wbuf.buf != NULL) {
+        freelist_insert(s->ctx, 0, s->s3->wbuf.len, s->s3->wbuf.buf);
+        s->s3->wbuf.buf = NULL;
+    }
+    return 1;
+}
 
 int ssl3_release_read_buffer(SSL *s)
-	{
-	if (s->s3->rbuf.buf != NULL)
-		{
-		freelist_insert(s->ctx, 1, s->s3->rbuf.len, s->s3->rbuf.buf);
-		s->s3->rbuf.buf = NULL;
-		}
-	return 1;
-	}
-
+{
+    if (s->s3->rbuf.buf != NULL) {
+        freelist_insert(s->ctx, 1, s->s3->rbuf.len, s->s3->rbuf.buf);
+        s->s3->rbuf.buf = NULL;
+    }
+    return 1;
+}