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Diffstat (limited to 'app/openssl/ssl/s23_srvr.c')
-rw-r--r--app/openssl/ssl/s23_srvr.c657
1 files changed, 0 insertions, 657 deletions
diff --git a/app/openssl/ssl/s23_srvr.c b/app/openssl/ssl/s23_srvr.c
deleted file mode 100644
index 93ca7d53..00000000
--- a/app/openssl/ssl/s23_srvr.c
+++ /dev/null
@@ -1,657 +0,0 @@
-/* ssl/s23_srvr.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.]
- */
-/* ====================================================================
- * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
- *
- * 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 above 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 acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#include <stdio.h>
-#include "ssl_locl.h"
-#include <openssl/buffer.h>
-#include <openssl/rand.h>
-#include <openssl/objects.h>
-#include <openssl/evp.h>
-#ifdef OPENSSL_FIPS
-#include <openssl/fips.h>
-#endif
-
-static const SSL_METHOD *ssl23_get_server_method(int ver);
-int ssl23_get_client_hello(SSL *s);
-static const SSL_METHOD *ssl23_get_server_method(int ver)
- {
-#ifndef OPENSSL_NO_SSL2
- if (ver == SSL2_VERSION)
- return(SSLv2_server_method());
-#endif
-#ifndef OPENSSL_NO_SSL3
- if (ver == SSL3_VERSION)
- return(SSLv3_server_method());
-#endif
- if (ver == TLS1_VERSION)
- return(TLSv1_server_method());
- else if (ver == TLS1_1_VERSION)
- return(TLSv1_1_server_method());
- else if (ver == TLS1_2_VERSION)
- return(TLSv1_2_server_method());
- else
- return(NULL);
- }
-
-IMPLEMENT_ssl23_meth_func(SSLv23_server_method,
- ssl23_accept,
- ssl_undefined_function,
- ssl23_get_server_method)
-
-int ssl23_accept(SSL *s)
- {
- BUF_MEM *buf;
- unsigned long Time=(unsigned long)time(NULL);
- void (*cb)(const SSL *ssl,int type,int val)=NULL;
- int ret= -1;
- int new_state,state;
-
- RAND_add(&Time,sizeof(Time),0);
- ERR_clear_error();
- clear_sys_error();
-
- if (s->info_callback != NULL)
- cb=s->info_callback;
- else if (s->ctx->info_callback != NULL)
- cb=s->ctx->info_callback;
-
- s->in_handshake++;
- if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);
-
- for (;;)
- {
- state=s->state;
-
- switch(s->state)
- {
- case SSL_ST_BEFORE:
- case SSL_ST_ACCEPT:
- case SSL_ST_BEFORE|SSL_ST_ACCEPT:
- case SSL_ST_OK|SSL_ST_ACCEPT:
-
- s->server=1;
- if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
-
- /* s->version=SSL3_VERSION; */
- s->type=SSL_ST_ACCEPT;
-
- if (s->init_buf == NULL)
- {
- if ((buf=BUF_MEM_new()) == NULL)
- {
- ret= -1;
- goto end;
- }
- if (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))
- {
- ret= -1;
- goto end;
- }
- s->init_buf=buf;
- }
-
- ssl3_init_finished_mac(s);
-
- s->state=SSL23_ST_SR_CLNT_HELLO_A;
- s->ctx->stats.sess_accept++;
- s->init_num=0;
- break;
-
- case SSL23_ST_SR_CLNT_HELLO_A:
- case SSL23_ST_SR_CLNT_HELLO_B:
-
- s->shutdown=0;
- ret=ssl23_get_client_hello(s);
- if (ret >= 0) cb=NULL;
- goto end;
- /* break; */
-
- default:
- SSLerr(SSL_F_SSL23_ACCEPT,SSL_R_UNKNOWN_STATE);
- ret= -1;
- goto end;
- /* break; */
- }
-
- if ((cb != NULL) && (s->state != state))
- {
- new_state=s->state;
- s->state=state;
- cb(s,SSL_CB_ACCEPT_LOOP,1);
- s->state=new_state;
- }
- }
-end:
- s->in_handshake--;
- if (cb != NULL)
- cb(s,SSL_CB_ACCEPT_EXIT,ret);
- return(ret);
- }
-
-
-int ssl23_get_client_hello(SSL *s)
- {
- char buf_space[11]; /* Request this many bytes in initial read.
- * We can detect SSL 3.0/TLS 1.0 Client Hellos
- * ('type == 3') correctly only when the following
- * is in a single record, which is not guaranteed by
- * the protocol specification:
- * Byte Content
- * 0 type \
- * 1/2 version > record header
- * 3/4 length /
- * 5 msg_type \
- * 6-8 length > Client Hello message
- * 9/10 client_version /
- */
- char *buf= &(buf_space[0]);
- unsigned char *p,*d,*d_len,*dd;
- unsigned int i;
- unsigned int csl,sil,cl;
- int n=0,j;
- int type=0;
- int v[2];
-
- if (s->state == SSL23_ST_SR_CLNT_HELLO_A)
- {
- /* read the initial header */
- v[0]=v[1]=0;
-
- if (!ssl3_setup_buffers(s)) goto err;
-
- n=ssl23_read_bytes(s, sizeof buf_space);
- if (n != sizeof buf_space) return(n); /* n == -1 || n == 0 */
-
- p=s->packet;
-
- memcpy(buf,p,n);
-
- if ((p[0] & 0x80) && (p[2] == SSL2_MT_CLIENT_HELLO))
- {
- /*
- * SSLv2 header
- */
- if ((p[3] == 0x00) && (p[4] == 0x02))
- {
- v[0]=p[3]; v[1]=p[4];
- /* SSLv2 */
- if (!(s->options & SSL_OP_NO_SSLv2))
- type=1;
- }
- else if (p[3] == SSL3_VERSION_MAJOR)
- {
- v[0]=p[3]; v[1]=p[4];
- /* SSLv3/TLSv1 */
- if (p[4] >= TLS1_VERSION_MINOR)
- {
- if (p[4] >= TLS1_2_VERSION_MINOR &&
- !(s->options & SSL_OP_NO_TLSv1_2))
- {
- s->version=TLS1_2_VERSION;
- s->state=SSL23_ST_SR_CLNT_HELLO_B;
- }
- else if (p[4] >= TLS1_1_VERSION_MINOR &&
- !(s->options & SSL_OP_NO_TLSv1_1))
- {
- s->version=TLS1_1_VERSION;
- /* type=2; */ /* done later to survive restarts */
- s->state=SSL23_ST_SR_CLNT_HELLO_B;
- }
- else if (!(s->options & SSL_OP_NO_TLSv1))
- {
- s->version=TLS1_VERSION;
- /* type=2; */ /* done later to survive restarts */
- s->state=SSL23_ST_SR_CLNT_HELLO_B;
- }
- else if (!(s->options & SSL_OP_NO_SSLv3))
- {
- s->version=SSL3_VERSION;
- /* type=2; */
- s->state=SSL23_ST_SR_CLNT_HELLO_B;
- }
- else if (!(s->options & SSL_OP_NO_SSLv2))
- {
- type=1;
- }
- }
- else if (!(s->options & SSL_OP_NO_SSLv3))
- {
- s->version=SSL3_VERSION;
- /* type=2; */
- s->state=SSL23_ST_SR_CLNT_HELLO_B;
- }
- else if (!(s->options & SSL_OP_NO_SSLv2))
- type=1;
-
- }
- }
- else if ((p[0] == SSL3_RT_HANDSHAKE) &&
- (p[1] == SSL3_VERSION_MAJOR) &&
- (p[5] == SSL3_MT_CLIENT_HELLO) &&
- ((p[3] == 0 && p[4] < 5 /* silly record length? */)
- || (p[9] >= p[1])))
- {
- /*
- * SSLv3 or tls1 header
- */
-
- v[0]=p[1]; /* major version (= SSL3_VERSION_MAJOR) */
- /* We must look at client_version inside the Client Hello message
- * to get the correct minor version.
- * However if we have only a pathologically small fragment of the
- * Client Hello message, this would be difficult, and we'd have
- * to read more records to find out.
- * No known SSL 3.0 client fragments ClientHello like this,
- * so we simply reject such connections to avoid
- * protocol version downgrade attacks. */
- if (p[3] == 0 && p[4] < 6)
- {
- SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_RECORD_TOO_SMALL);
- goto err;
- }
- /* if major version number > 3 set minor to a value
- * which will use the highest version 3 we support.
- * If TLS 2.0 ever appears we will need to revise
- * this....
- */
- if (p[9] > SSL3_VERSION_MAJOR)
- v[1]=0xff;
- else
- v[1]=p[10]; /* minor version according to client_version */
- if (v[1] >= TLS1_VERSION_MINOR)
- {
- if (v[1] >= TLS1_2_VERSION_MINOR &&
- !(s->options & SSL_OP_NO_TLSv1_2))
- {
- s->version=TLS1_2_VERSION;
- type=3;
- }
- else if (v[1] >= TLS1_1_VERSION_MINOR &&
- !(s->options & SSL_OP_NO_TLSv1_1))
- {
- s->version=TLS1_1_VERSION;
- type=3;
- }
- else if (!(s->options & SSL_OP_NO_TLSv1))
- {
- s->version=TLS1_VERSION;
- type=3;
- }
- else if (!(s->options & SSL_OP_NO_SSLv3))
- {
- s->version=SSL3_VERSION;
- type=3;
- }
- }
- else
- {
- /* client requests SSL 3.0 */
- if (!(s->options & SSL_OP_NO_SSLv3))
- {
- s->version=SSL3_VERSION;
- type=3;
- }
- else if (!(s->options & SSL_OP_NO_TLSv1))
- {
- /* we won't be able to use TLS of course,
- * but this will send an appropriate alert */
- s->version=TLS1_VERSION;
- type=3;
- }
- }
- }
- else if ((strncmp("GET ", (char *)p,4) == 0) ||
- (strncmp("POST ",(char *)p,5) == 0) ||
- (strncmp("HEAD ",(char *)p,5) == 0) ||
- (strncmp("PUT ", (char *)p,4) == 0))
- {
- SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_HTTP_REQUEST);
- goto err;
- }
- else if (strncmp("CONNECT",(char *)p,7) == 0)
- {
- SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_HTTPS_PROXY_REQUEST);
- goto err;
- }
- }
-
- /* ensure that TLS_MAX_VERSION is up-to-date */
- OPENSSL_assert(s->version <= TLS_MAX_VERSION);
-
-#ifdef OPENSSL_FIPS
- if (FIPS_mode() && (s->version < TLS1_VERSION))
- {
- SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,
- SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
- goto err;
- }
-#endif
-
- if (s->state == SSL23_ST_SR_CLNT_HELLO_B)
- {
- /* we have SSLv3/TLSv1 in an SSLv2 header
- * (other cases skip this state) */
-
- type=2;
- p=s->packet;
- v[0] = p[3]; /* == SSL3_VERSION_MAJOR */
- v[1] = p[4];
-
- /* An SSLv3/TLSv1 backwards-compatible CLIENT-HELLO in an SSLv2
- * header is sent directly on the wire, not wrapped as a TLS
- * record. It's format is:
- * Byte Content
- * 0-1 msg_length
- * 2 msg_type
- * 3-4 version
- * 5-6 cipher_spec_length
- * 7-8 session_id_length
- * 9-10 challenge_length
- * ... ...
- */
- n=((p[0]&0x7f)<<8)|p[1];
- if (n > (1024*4))
- {
- SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_RECORD_TOO_LARGE);
- goto err;
- }
- if (n < 9)
- {
- SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_RECORD_LENGTH_MISMATCH);
- goto err;
- }
-
- j=ssl23_read_bytes(s,n+2);
- /* We previously read 11 bytes, so if j > 0, we must have
- * j == n+2 == s->packet_length. We have at least 11 valid
- * packet bytes. */
- if (j <= 0) return(j);
-
- ssl3_finish_mac(s, s->packet+2, s->packet_length-2);
- if (s->msg_callback)
- s->msg_callback(0, SSL2_VERSION, 0, s->packet+2, s->packet_length-2, s, s->msg_callback_arg); /* CLIENT-HELLO */
-
- p=s->packet;
- p+=5;
- n2s(p,csl);
- n2s(p,sil);
- n2s(p,cl);
- d=(unsigned char *)s->init_buf->data;
- if ((csl+sil+cl+11) != s->packet_length) /* We can't have TLS extensions in SSL 2.0 format
- * Client Hello, can we? Error condition should be
- * '>' otherweise */
- {
- SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_RECORD_LENGTH_MISMATCH);
- goto err;
- }
-
- /* record header: msg_type ... */
- *(d++) = SSL3_MT_CLIENT_HELLO;
- /* ... and length (actual value will be written later) */
- d_len = d;
- d += 3;
-
- /* client_version */
- *(d++) = SSL3_VERSION_MAJOR; /* == v[0] */
- *(d++) = v[1];
-
- /* lets populate the random area */
- /* get the challenge_length */
- i=(cl > SSL3_RANDOM_SIZE)?SSL3_RANDOM_SIZE:cl;
- memset(d,0,SSL3_RANDOM_SIZE);
- memcpy(&(d[SSL3_RANDOM_SIZE-i]),&(p[csl+sil]),i);
- d+=SSL3_RANDOM_SIZE;
-
- /* no session-id reuse */
- *(d++)=0;
-
- /* ciphers */
- j=0;
- dd=d;
- d+=2;
- for (i=0; i<csl; i+=3)
- {
- if (p[i] != 0) continue;
- *(d++)=p[i+1];
- *(d++)=p[i+2];
- j+=2;
- }
- s2n(j,dd);
-
- /* COMPRESSION */
- *(d++)=1;
- *(d++)=0;
-
-#if 0
- /* copy any remaining data with may be extensions */
- p = p+csl+sil+cl;
- while (p < s->packet+s->packet_length)
- {
- *(d++)=*(p++);
- }
-#endif
-
- i = (d-(unsigned char *)s->init_buf->data) - 4;
- l2n3((long)i, d_len);
-
- /* get the data reused from the init_buf */
- s->s3->tmp.reuse_message=1;
- s->s3->tmp.message_type=SSL3_MT_CLIENT_HELLO;
- s->s3->tmp.message_size=i;
- }
-
- /* imaginary new state (for program structure): */
- /* s->state = SSL23_SR_CLNT_HELLO_C */
-
- if (type == 1)
- {
-#ifdef OPENSSL_NO_SSL2
- SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_UNSUPPORTED_PROTOCOL);
- goto err;
-#else
- /* we are talking sslv2 */
- /* we need to clean up the SSLv3/TLSv1 setup and put in the
- * sslv2 stuff. */
-
- if (s->s2 == NULL)
- {
- if (!ssl2_new(s))
- goto err;
- }
- else
- ssl2_clear(s);
-
- if (s->s3 != NULL) ssl3_free(s);
-
- if (!BUF_MEM_grow_clean(s->init_buf,
- SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER))
- {
- goto err;
- }
-
- s->state=SSL2_ST_GET_CLIENT_HELLO_A;
- if (s->options & SSL_OP_NO_TLSv1 && s->options & SSL_OP_NO_SSLv3)
- s->s2->ssl2_rollback=0;
- else
- /* reject SSL 2.0 session if client supports SSL 3.0 or TLS 1.0
- * (SSL 3.0 draft/RFC 2246, App. E.2) */
- s->s2->ssl2_rollback=1;
-
- /* setup the n bytes we have read so we get them from
- * the sslv2 buffer */
- s->rstate=SSL_ST_READ_HEADER;
- s->packet_length=n;
- s->packet= &(s->s2->rbuf[0]);
- memcpy(s->packet,buf,n);
- s->s2->rbuf_left=n;
- s->s2->rbuf_offs=0;
-
- s->method=SSLv2_server_method();
- s->handshake_func=s->method->ssl_accept;
-#endif
- }
-
- if ((type == 2) || (type == 3))
- {
- /* we have SSLv3/TLSv1 (type 2: SSL2 style, type 3: SSL3/TLS style) */
- s->method = ssl23_get_server_method(s->version);
- if (s->method == NULL)
- {
- SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_UNSUPPORTED_PROTOCOL);
- goto err;
- }
-
- if (!ssl_init_wbio_buffer(s,1)) goto err;
-
- /* we are in this state */
- s->state=SSL3_ST_SR_CLNT_HELLO_A;
-
- if (type == 3)
- {
- /* put the 'n' bytes we have read into the input buffer
- * for SSLv3 */
- s->rstate=SSL_ST_READ_HEADER;
- s->packet_length=n;
- if (s->s3->rbuf.buf == NULL)
- if (!ssl3_setup_read_buffer(s))
- goto err;
-
- s->packet= &(s->s3->rbuf.buf[0]);
- memcpy(s->packet,buf,n);
- s->s3->rbuf.left=n;
- s->s3->rbuf.offset=0;
- }
- else
- {
- s->packet_length=0;
- s->s3->rbuf.left=0;
- s->s3->rbuf.offset=0;
- }
-#if 0 /* ssl3_get_client_hello does this */
- s->client_version=(v[0]<<8)|v[1];
-#endif
- s->handshake_func=s->method->ssl_accept;
- }
-
- if ((type < 1) || (type > 3))
- {
- /* bad, very bad */
- SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_UNKNOWN_PROTOCOL);
- goto err;
- }
- s->init_num=0;
-
- if (buf != buf_space) OPENSSL_free(buf);
- return(SSL_accept(s));
-err:
- if (buf != buf_space) OPENSSL_free(buf);
- return(-1);
- }
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