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freebsd-dev/crypto/openssl/apps/s_server.c
Simon L. B. Nielsen 6a599222bb Merge OpenSSL 0.9.8m into head. 
This also "reverts" some FreeBSD local changes so we should now
be back to using entirely stock OpenSSL.  The local changes were
simple $FreeBSD$ lines additions, which were required in the CVS
days, and the patch for FreeBSD-SA-09:15.ssl which has been
superseded with OpenSSL 0.9.8m's RFC5746 'TLS renegotiation
extension' support.

MFC after:	3 weeks
2010-03-13 19:22:41 +00:00

2521 lines
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/* apps/s_server.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) 1998-2001 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).
*
*/
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
* ECC cipher suite support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
/* Until the key-gen callbacks are modified to use newer prototypes, we allow
* deprecated functions for openssl-internal code */
#ifdef OPENSSL_NO_DEPRECATED
#undef OPENSSL_NO_DEPRECATED
#endif
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <openssl/e_os2.h>
#ifdef OPENSSL_NO_STDIO
#define APPS_WIN16
#endif
#if !defined(OPENSSL_SYS_NETWARE) /* conflicts with winsock2 stuff on netware */
#include <sys/types.h>
#endif
/* With IPv6, it looks like Digital has mixed up the proper order of
recursive header file inclusion, resulting in the compiler complaining
that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
is needed to have fileno() declared correctly... So let's define u_int */
#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
#define __U_INT
typedef unsigned int u_int;
#endif
#include <openssl/lhash.h>
#include <openssl/bn.h>
#define USE_SOCKETS
#include "apps.h"
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/x509.h>
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <openssl/ocsp.h>
#ifndef OPENSSL_NO_DH
#include <openssl/dh.h>
#endif
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
#include "s_apps.h"
#include "timeouts.h"
#ifdef OPENSSL_SYS_WINCE
/* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
#ifdef fileno
#undef fileno
#endif
#define fileno(a) (int)_fileno(a)
#endif
#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
#undef FIONBIO
#endif
#ifndef OPENSSL_NO_RSA
static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
#endif
static int sv_body(char *hostname, int s, unsigned char *context);
static int www_body(char *hostname, int s, unsigned char *context);
static void close_accept_socket(void );
static void sv_usage(void);
static int init_ssl_connection(SSL *s);
static void print_stats(BIO *bp,SSL_CTX *ctx);
static int generate_session_id(const SSL *ssl, unsigned char *id,
unsigned int *id_len);
#ifndef OPENSSL_NO_DH
static DH *load_dh_param(const char *dhfile);
static DH *get_dh512(void);
#endif
#ifdef MONOLITH
static void s_server_init(void);
#endif
#ifndef S_ISDIR
# if defined(_S_IFMT) && defined(_S_IFDIR)
# define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
# else
# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
# endif
#endif
#ifndef OPENSSL_NO_DH
static unsigned char dh512_p[]={
0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
0x47,0x74,0xE8,0x33,
};
static unsigned char dh512_g[]={
0x02,
};
static DH *get_dh512(void)
{
DH *dh=NULL;
if ((dh=DH_new()) == NULL) return(NULL);
dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
if ((dh->p == NULL) || (dh->g == NULL))
return(NULL);
return(dh);
}
#endif
/* static int load_CA(SSL_CTX *ctx, char *file);*/
#undef BUFSIZZ
#define BUFSIZZ 16*1024
static int bufsize=BUFSIZZ;
static int accept_socket= -1;
#define TEST_CERT "server.pem"
#ifndef OPENSSL_NO_TLSEXT
#define TEST_CERT2 "server2.pem"
#endif
#undef PROG
#define PROG s_server_main
extern int verify_depth;
static char *cipher=NULL;
static int s_server_verify=SSL_VERIFY_NONE;
static int s_server_session_id_context = 1; /* anything will do */
static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
#ifndef OPENSSL_NO_TLSEXT
static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
#endif
static char *s_dcert_file=NULL,*s_dkey_file=NULL;
#ifdef FIONBIO
static int s_nbio=0;
#endif
static int s_nbio_test=0;
int s_crlf=0;
static SSL_CTX *ctx=NULL;
#ifndef OPENSSL_NO_TLSEXT
static SSL_CTX *ctx2=NULL;
#endif
static int www=0;
static BIO *bio_s_out=NULL;
static int s_debug=0;
#ifndef OPENSSL_NO_TLSEXT
static int s_tlsextdebug=0;
static int s_tlsextstatus=0;
static int cert_status_cb(SSL *s, void *arg);
#endif
static int s_msg=0;
static int s_quiet=0;
static int hack=0;
#ifndef OPENSSL_NO_ENGINE
static char *engine_id=NULL;
#endif
static const char *session_id_prefix=NULL;
static int enable_timeouts = 0;
static long socket_mtu;
#ifndef OPENSSL_NO_DTLS1
static int cert_chain = 0;
#endif
#ifdef MONOLITH
static void s_server_init(void)
{
accept_socket=-1;
cipher=NULL;
s_server_verify=SSL_VERIFY_NONE;
s_dcert_file=NULL;
s_dkey_file=NULL;
s_cert_file=TEST_CERT;
s_key_file=NULL;
#ifndef OPENSSL_NO_TLSEXT
s_cert_file2=TEST_CERT2;
s_key_file2=NULL;
ctx2=NULL;
#endif
#ifdef FIONBIO
s_nbio=0;
#endif
s_nbio_test=0;
ctx=NULL;
www=0;
bio_s_out=NULL;
s_debug=0;
s_msg=0;
s_quiet=0;
hack=0;
#ifndef OPENSSL_NO_ENGINE
engine_id=NULL;
#endif
}
#endif
static void sv_usage(void)
{
BIO_printf(bio_err,"usage: s_server [args ...]\n");
BIO_printf(bio_err,"\n");
BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
BIO_printf(bio_err," -context arg - set session ID context\n");
BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
BIO_printf(bio_err," -cert arg - certificate file to use\n");
BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
BIO_printf(bio_err," -crl_check - check the peer certificate has not been revoked by its CA.\n" \
" The CRL(s) are appended to the certificate file\n");
BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
" or any other CRL in the CA chain. CRL(s) are appened to the\n" \
" the certificate file.\n");
BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n");
BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n");
BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n");
BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
BIO_printf(bio_err," or a default set of parameters is used\n");
#ifndef OPENSSL_NO_ECDH
BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
" Use \"openssl ecparam -list_curves\" for all names\n" \
" (default is sect163r2).\n");
#endif
#ifdef FIONBIO
BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
#endif
BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
BIO_printf(bio_err," -debug - Print more output\n");
BIO_printf(bio_err," -msg - Show protocol messages\n");
BIO_printf(bio_err," -state - Print the SSL states\n");
BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
BIO_printf(bio_err," -quiet - No server output\n");
BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n");
BIO_printf(bio_err," -timeout - Enable timeouts\n");
BIO_printf(bio_err," -mtu - Set link layer MTU\n");
BIO_printf(bio_err," -chain - Read a certificate chain\n");
BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
#ifndef OPENSSL_NO_DH
BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
#endif
#ifndef OPENSSL_NO_ECDH
BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
#endif
BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
#endif
BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
#ifndef OPENSSL_NO_TLSEXT
BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n");
BIO_printf(bio_err," (default is %s)\n",TEST_CERT2);
BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n");
BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2);
BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
#endif
}
static int local_argc=0;
static char **local_argv;
#ifdef CHARSET_EBCDIC
static int ebcdic_new(BIO *bi);
static int ebcdic_free(BIO *a);
static int ebcdic_read(BIO *b, char *out, int outl);
static int ebcdic_write(BIO *b, const char *in, int inl);
static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
static int ebcdic_gets(BIO *bp, char *buf, int size);
static int ebcdic_puts(BIO *bp, const char *str);
#define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
static BIO_METHOD methods_ebcdic=
{
BIO_TYPE_EBCDIC_FILTER,
"EBCDIC/ASCII filter",
ebcdic_write,
ebcdic_read,
ebcdic_puts,
ebcdic_gets,
ebcdic_ctrl,
ebcdic_new,
ebcdic_free,
};
typedef struct
{
size_t alloced;
char buff[1];
} EBCDIC_OUTBUFF;
BIO_METHOD *BIO_f_ebcdic_filter()
{
return(&methods_ebcdic);
}
static int ebcdic_new(BIO *bi)
{
EBCDIC_OUTBUFF *wbuf;
wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
wbuf->alloced = 1024;
wbuf->buff[0] = '\0';
bi->ptr=(char *)wbuf;
bi->init=1;
bi->flags=0;
return(1);
}
static int ebcdic_free(BIO *a)
{
if (a == NULL) return(0);
if (a->ptr != NULL)
OPENSSL_free(a->ptr);
a->ptr=NULL;
a->init=0;
a->flags=0;
return(1);
}
static int ebcdic_read(BIO *b, char *out, int outl)
{
int ret=0;
if (out == NULL || outl == 0) return(0);
if (b->next_bio == NULL) return(0);
ret=BIO_read(b->next_bio,out,outl);
if (ret > 0)
ascii2ebcdic(out,out,ret);
return(ret);
}
static int ebcdic_write(BIO *b, const char *in, int inl)
{
EBCDIC_OUTBUFF *wbuf;
int ret=0;
int num;
unsigned char n;
if ((in == NULL) || (inl <= 0)) return(0);
if (b->next_bio == NULL) return(0);
wbuf=(EBCDIC_OUTBUFF *)b->ptr;
if (inl > (num = wbuf->alloced))
{
num = num + num; /* double the size */
if (num < inl)
num = inl;
OPENSSL_free(wbuf);
wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
wbuf->alloced = num;
wbuf->buff[0] = '\0';
b->ptr=(char *)wbuf;
}
ebcdic2ascii(wbuf->buff, in, inl);
ret=BIO_write(b->next_bio, wbuf->buff, inl);
return(ret);
}
static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret;
if (b->next_bio == NULL) return(0);
switch (cmd)
{
case BIO_CTRL_DUP:
ret=0L;
break;
default:
ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
break;
}
return(ret);
}
static int ebcdic_gets(BIO *bp, char *buf, int size)
{
int i, ret=0;
if (bp->next_bio == NULL) return(0);
/* return(BIO_gets(bp->next_bio,buf,size));*/
for (i=0; i<size-1; ++i)
{
ret = ebcdic_read(bp,&buf[i],1);
if (ret <= 0)
break;
else if (buf[i] == '\n')
{
++i;
break;
}
}
if (i < size)
buf[i] = '\0';
return (ret < 0 && i == 0) ? ret : i;
}
static int ebcdic_puts(BIO *bp, const char *str)
{
if (bp->next_bio == NULL) return(0);
return ebcdic_write(bp, str, strlen(str));
}
#endif
#ifndef OPENSSL_NO_TLSEXT
/* This is a context that we pass to callbacks */
typedef struct tlsextctx_st {
char * servername;
BIO * biodebug;
int extension_error;
} tlsextctx;
static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
{
tlsextctx * p = (tlsextctx *) arg;
const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
if (servername && p->biodebug)
BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
if (!p->servername)
return SSL_TLSEXT_ERR_NOACK;
if (servername)
{
if (strcmp(servername,p->servername))
return p->extension_error;
if (ctx2)
{
BIO_printf(p->biodebug,"Swiching server context.\n");
SSL_set_SSL_CTX(s,ctx2);
}
}
return SSL_TLSEXT_ERR_OK;
}
/* Structure passed to cert status callback */
typedef struct tlsextstatusctx_st {
/* Default responder to use */
char *host, *path, *port;
int use_ssl;
int timeout;
BIO *err;
int verbose;
} tlsextstatusctx;
static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
/* Certificate Status callback. This is called when a client includes a
* certificate status request extension.
*
* This is a simplified version. It examines certificates each time and
* makes one OCSP responder query for each request.
*
* A full version would store details such as the OCSP certificate IDs and
* minimise the number of OCSP responses by caching them until they were
* considered "expired".
*/
static int cert_status_cb(SSL *s, void *arg)
{
tlsextstatusctx *srctx = arg;
BIO *err = srctx->err;
char *host, *port, *path;
int use_ssl;
unsigned char *rspder = NULL;
int rspderlen;
STACK *aia = NULL;
X509 *x = NULL;
X509_STORE_CTX inctx;
X509_OBJECT obj;
OCSP_REQUEST *req = NULL;
OCSP_RESPONSE *resp = NULL;
OCSP_CERTID *id = NULL;
STACK_OF(X509_EXTENSION) *exts;
int ret = SSL_TLSEXT_ERR_NOACK;
int i;
#if 0
STACK_OF(OCSP_RESPID) *ids;
SSL_get_tlsext_status_ids(s, &ids);
BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
#endif
if (srctx->verbose)
BIO_puts(err, "cert_status: callback called\n");
/* Build up OCSP query from server certificate */
x = SSL_get_certificate(s);
aia = X509_get1_ocsp(x);
if (aia)
{
if (!OCSP_parse_url(sk_value(aia, 0),
&host, &port, &path, &use_ssl))
{
BIO_puts(err, "cert_status: can't parse AIA URL\n");
goto err;
}
if (srctx->verbose)
BIO_printf(err, "cert_status: AIA URL: %s\n",
sk_value(aia, 0));
}
else
{
if (!srctx->host)
{
BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
goto done;
}
host = srctx->host;
path = srctx->path;
port = srctx->port;
use_ssl = srctx->use_ssl;
}
if (!X509_STORE_CTX_init(&inctx,
SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
NULL, NULL))
goto err;
if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
X509_get_issuer_name(x),&obj) <= 0)
{
BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
X509_STORE_CTX_cleanup(&inctx);
goto done;
}
req = OCSP_REQUEST_new();
if (!req)
goto err;
id = OCSP_cert_to_id(NULL, x, obj.data.x509);
X509_free(obj.data.x509);
X509_STORE_CTX_cleanup(&inctx);
if (!id)
goto err;
if (!OCSP_request_add0_id(req, id))
goto err;
id = NULL;
/* Add any extensions to the request */
SSL_get_tlsext_status_exts(s, &exts);
for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
{
X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
if (!OCSP_REQUEST_add_ext(req, ext, -1))
goto err;
}
resp = process_responder(err, req, host, path, port, use_ssl,
srctx->timeout);
if (!resp)
{
BIO_puts(err, "cert_status: error querying responder\n");
goto done;
}
rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
if (rspderlen <= 0)
goto err;
SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
if (srctx->verbose)
{
BIO_puts(err, "cert_status: ocsp response sent:\n");
OCSP_RESPONSE_print(err, resp, 2);
}
ret = SSL_TLSEXT_ERR_OK;
done:
if (ret != SSL_TLSEXT_ERR_OK)
ERR_print_errors(err);
if (aia)
{
OPENSSL_free(host);
OPENSSL_free(path);
OPENSSL_free(port);
X509_email_free(aia);
}
if (id)
OCSP_CERTID_free(id);
if (req)
OCSP_REQUEST_free(req);
if (resp)
OCSP_RESPONSE_free(resp);
return ret;
err:
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
goto done;
}
#endif
int MAIN(int, char **);
#ifndef OPENSSL_NO_JPAKE
static char *jpake_secret = NULL;
#endif
int MAIN(int argc, char *argv[])
{
X509_STORE *store = NULL;
int vflags = 0;
short port=PORT;
char *CApath=NULL,*CAfile=NULL;
unsigned char *context = NULL;
char *dhfile = NULL;
#ifndef OPENSSL_NO_ECDH
char *named_curve = NULL;
#endif
int badop=0,bugs=0;
int ret=1;
int off=0;
int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
int state=0;
SSL_METHOD *meth=NULL;
int socket_type=SOCK_STREAM;
ENGINE *e=NULL;
char *inrand=NULL;
int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
char *passarg = NULL, *pass = NULL;
char *dpassarg = NULL, *dpass = NULL;
int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
X509 *s_cert = NULL, *s_dcert = NULL;
EVP_PKEY *s_key = NULL, *s_dkey = NULL;
int no_cache = 0;
#ifndef OPENSSL_NO_TLSEXT
EVP_PKEY *s_key2 = NULL;
X509 *s_cert2 = NULL;
#endif
#ifndef OPENSSL_NO_TLSEXT
tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
#endif
#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
meth=SSLv23_server_method();
#elif !defined(OPENSSL_NO_SSL3)
meth=SSLv3_server_method();
#elif !defined(OPENSSL_NO_SSL2)
meth=SSLv2_server_method();
#endif
local_argc=argc;
local_argv=argv;
apps_startup();
#ifdef MONOLITH
s_server_init();
#endif
if (bio_err == NULL)
bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
if (!load_config(bio_err, NULL))
goto end;
verify_depth=0;
#ifdef FIONBIO
s_nbio=0;
#endif
s_nbio_test=0;
argc--;
argv++;
while (argc >= 1)
{
if ((strcmp(*argv,"-port") == 0) ||
(strcmp(*argv,"-accept") == 0))
{
if (--argc < 1) goto bad;
if (!extract_port(*(++argv),&port))
goto bad;
}
else if (strcmp(*argv,"-verify") == 0)
{
s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
if (--argc < 1) goto bad;
verify_depth=atoi(*(++argv));
BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
}
else if (strcmp(*argv,"-Verify") == 0)
{
s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
SSL_VERIFY_CLIENT_ONCE;
if (--argc < 1) goto bad;
verify_depth=atoi(*(++argv));
BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
}
else if (strcmp(*argv,"-context") == 0)
{
if (--argc < 1) goto bad;
context= (unsigned char *)*(++argv);
}
else if (strcmp(*argv,"-cert") == 0)
{
if (--argc < 1) goto bad;
s_cert_file= *(++argv);
}
else if (strcmp(*argv,"-certform") == 0)
{
if (--argc < 1) goto bad;
s_cert_format = str2fmt(*(++argv));
}
else if (strcmp(*argv,"-key") == 0)
{
if (--argc < 1) goto bad;
s_key_file= *(++argv);
}
else if (strcmp(*argv,"-keyform") == 0)
{
if (--argc < 1) goto bad;
s_key_format = str2fmt(*(++argv));
}
else if (strcmp(*argv,"-pass") == 0)
{
if (--argc < 1) goto bad;
passarg = *(++argv);
}
else if (strcmp(*argv,"-dhparam") == 0)
{
if (--argc < 1) goto bad;
dhfile = *(++argv);
}
#ifndef OPENSSL_NO_ECDH
else if (strcmp(*argv,"-named_curve") == 0)
{
if (--argc < 1) goto bad;
named_curve = *(++argv);
}
#endif
else if (strcmp(*argv,"-dcertform") == 0)
{
if (--argc < 1) goto bad;
s_dcert_format = str2fmt(*(++argv));
}
else if (strcmp(*argv,"-dcert") == 0)
{
if (--argc < 1) goto bad;
s_dcert_file= *(++argv);
}
else if (strcmp(*argv,"-dkeyform") == 0)
{
if (--argc < 1) goto bad;
s_dkey_format = str2fmt(*(++argv));
}
else if (strcmp(*argv,"-dpass") == 0)
{
if (--argc < 1) goto bad;
dpassarg = *(++argv);
}
else if (strcmp(*argv,"-dkey") == 0)
{
if (--argc < 1) goto bad;
s_dkey_file= *(++argv);
}
else if (strcmp(*argv,"-nocert") == 0)
{
nocert=1;
}
else if (strcmp(*argv,"-CApath") == 0)
{
if (--argc < 1) goto bad;
CApath= *(++argv);
}
else if (strcmp(*argv,"-no_cache") == 0)
no_cache = 1;
else if (strcmp(*argv,"-crl_check") == 0)
{
vflags |= X509_V_FLAG_CRL_CHECK;
}
else if (strcmp(*argv,"-crl_check_all") == 0)
{
vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
}
else if (strcmp(*argv,"-serverpref") == 0)
{ off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
else if (strcmp(*argv,"-legacy_renegotiation") == 0)
off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
else if (strcmp(*argv,"-cipher") == 0)
{
if (--argc < 1) goto bad;
cipher= *(++argv);
}
else if (strcmp(*argv,"-CAfile") == 0)
{
if (--argc < 1) goto bad;
CAfile= *(++argv);
}
#ifdef FIONBIO
else if (strcmp(*argv,"-nbio") == 0)
{ s_nbio=1; }
#endif
else if (strcmp(*argv,"-nbio_test") == 0)
{
#ifdef FIONBIO
s_nbio=1;
#endif
s_nbio_test=1;
}
else if (strcmp(*argv,"-debug") == 0)
{ s_debug=1; }
#ifndef OPENSSL_NO_TLSEXT
else if (strcmp(*argv,"-tlsextdebug") == 0)
s_tlsextdebug=1;
else if (strcmp(*argv,"-status") == 0)
s_tlsextstatus=1;
else if (strcmp(*argv,"-status_verbose") == 0)
{
s_tlsextstatus=1;
tlscstatp.verbose = 1;
}
else if (!strcmp(*argv, "-status_timeout"))
{
s_tlsextstatus=1;
if (--argc < 1) goto bad;
tlscstatp.timeout = atoi(*(++argv));
}
else if (!strcmp(*argv, "-status_url"))
{
s_tlsextstatus=1;
if (--argc < 1) goto bad;
if (!OCSP_parse_url(*(++argv),
&tlscstatp.host,
&tlscstatp.port,
&tlscstatp.path,
&tlscstatp.use_ssl))
{
BIO_printf(bio_err, "Error parsing URL\n");
goto bad;
}
}
#endif
else if (strcmp(*argv,"-msg") == 0)
{ s_msg=1; }
else if (strcmp(*argv,"-hack") == 0)
{ hack=1; }
else if (strcmp(*argv,"-state") == 0)
{ state=1; }
else if (strcmp(*argv,"-crlf") == 0)
{ s_crlf=1; }
else if (strcmp(*argv,"-quiet") == 0)
{ s_quiet=1; }
else if (strcmp(*argv,"-bugs") == 0)
{ bugs=1; }
else if (strcmp(*argv,"-no_tmp_rsa") == 0)
{ no_tmp_rsa=1; }
else if (strcmp(*argv,"-no_dhe") == 0)
{ no_dhe=1; }
else if (strcmp(*argv,"-no_ecdhe") == 0)
{ no_ecdhe=1; }
else if (strcmp(*argv,"-www") == 0)
{ www=1; }
else if (strcmp(*argv,"-WWW") == 0)
{ www=2; }
else if (strcmp(*argv,"-HTTP") == 0)
{ www=3; }
else if (strcmp(*argv,"-no_ssl2") == 0)
{ off|=SSL_OP_NO_SSLv2; }
else if (strcmp(*argv,"-no_ssl3") == 0)
{ off|=SSL_OP_NO_SSLv3; }
else if (strcmp(*argv,"-no_tls1") == 0)
{ off|=SSL_OP_NO_TLSv1; }
#ifndef OPENSSL_NO_TLSEXT
else if (strcmp(*argv,"-no_ticket") == 0)
{ off|=SSL_OP_NO_TICKET; }
#endif
#ifndef OPENSSL_NO_SSL2
else if (strcmp(*argv,"-ssl2") == 0)
{ meth=SSLv2_server_method(); }
#endif
#ifndef OPENSSL_NO_SSL3
else if (strcmp(*argv,"-ssl3") == 0)
{ meth=SSLv3_server_method(); }
#endif
#ifndef OPENSSL_NO_TLS1
else if (strcmp(*argv,"-tls1") == 0)
{ meth=TLSv1_server_method(); }
#endif
#ifndef OPENSSL_NO_DTLS1
else if (strcmp(*argv,"-dtls1") == 0)
{
meth=DTLSv1_server_method();
socket_type = SOCK_DGRAM;
}
else if (strcmp(*argv,"-timeout") == 0)
enable_timeouts = 1;
else if (strcmp(*argv,"-mtu") == 0)
{
if (--argc < 1) goto bad;
socket_mtu = atol(*(++argv));
}
else if (strcmp(*argv, "-chain") == 0)
cert_chain = 1;
#endif
else if (strcmp(*argv, "-id_prefix") == 0)
{
if (--argc < 1) goto bad;
session_id_prefix = *(++argv);
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv,"-engine") == 0)
{
if (--argc < 1) goto bad;
engine_id= *(++argv);
}
#endif
else if (strcmp(*argv,"-rand") == 0)
{
if (--argc < 1) goto bad;
inrand= *(++argv);
}
#ifndef OPENSSL_NO_TLSEXT
else if (strcmp(*argv,"-servername") == 0)
{
if (--argc < 1) goto bad;
tlsextcbp.servername= *(++argv);
}
else if (strcmp(*argv,"-servername_fatal") == 0)
{ tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
else if (strcmp(*argv,"-cert2") == 0)
{
if (--argc < 1) goto bad;
s_cert_file2= *(++argv);
}
else if (strcmp(*argv,"-key2") == 0)
{
if (--argc < 1) goto bad;
s_key_file2= *(++argv);
}
#endif
#ifndef OPENSSL_NO_JPAKE
else if (strcmp(*argv,"-jpake") == 0)
{
if (--argc < 1) goto bad;
jpake_secret = *(++argv);
}
#endif
else
{
BIO_printf(bio_err,"unknown option %s\n",*argv);
badop=1;
break;
}
argc--;
argv++;
}
if (badop)
{
bad:
sv_usage();
goto end;
}
SSL_load_error_strings();
OpenSSL_add_ssl_algorithms();
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine_id, 1);
#endif
if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
{
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
if (s_key_file == NULL)
s_key_file = s_cert_file;
#ifndef OPENSSL_NO_TLSEXT
if (s_key_file2 == NULL)
s_key_file2 = s_cert_file2;
#endif
if (nocert == 0)
{
s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
"server certificate private key file");
if (!s_key)
{
ERR_print_errors(bio_err);
goto end;
}
s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
NULL, e, "server certificate file");
if (!s_cert)
{
ERR_print_errors(bio_err);
goto end;
}
#ifndef OPENSSL_NO_TLSEXT
if (tlsextcbp.servername)
{
s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
"second server certificate private key file");
if (!s_key2)
{
ERR_print_errors(bio_err);
goto end;
}
s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
NULL, e, "second server certificate file");
if (!s_cert2)
{
ERR_print_errors(bio_err);
goto end;
}
}
#endif
}
if (s_dcert_file)
{
if (s_dkey_file == NULL)
s_dkey_file = s_dcert_file;
s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
0, dpass, e,
"second certificate private key file");
if (!s_dkey)
{
ERR_print_errors(bio_err);
goto end;
}
s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
NULL, e, "second server certificate file");
if (!s_dcert)
{
ERR_print_errors(bio_err);
goto end;
}
}
if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
&& !RAND_status())
{
BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
}
if (inrand != NULL)
BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
if (bio_s_out == NULL)
{
if (s_quiet && !s_debug && !s_msg)
{
bio_s_out=BIO_new(BIO_s_null());
}
else
{
if (bio_s_out == NULL)
bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
}
}
#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
if (nocert)
#endif
{
s_cert_file=NULL;
s_key_file=NULL;
s_dcert_file=NULL;
s_dkey_file=NULL;
#ifndef OPENSSL_NO_TLSEXT
s_cert_file2=NULL;
s_key_file2=NULL;
#endif
}
ctx=SSL_CTX_new(meth);
if (ctx == NULL)
{
ERR_print_errors(bio_err);
goto end;
}
if (session_id_prefix)
{
if(strlen(session_id_prefix) >= 32)
BIO_printf(bio_err,
"warning: id_prefix is too long, only one new session will be possible\n");
else if(strlen(session_id_prefix) >= 16)
BIO_printf(bio_err,
"warning: id_prefix is too long if you use SSLv2\n");
if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
{
BIO_printf(bio_err,"error setting 'id_prefix'\n");
ERR_print_errors(bio_err);
goto end;
}
BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
}
SSL_CTX_set_quiet_shutdown(ctx,1);
if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
SSL_CTX_set_options(ctx,off);
/* DTLS: partial reads end up discarding unread UDP bytes :-(
* Setting read ahead solves this problem.
*/
if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
if (no_cache)
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
else
SSL_CTX_sess_set_cache_size(ctx,128);
#if 0
if (cipher == NULL) cipher=getenv("SSL_CIPHER");
#endif
#if 0
if (s_cert_file == NULL)
{
BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
goto end;
}
#endif
if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
(!SSL_CTX_set_default_verify_paths(ctx)))
{
/* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
ERR_print_errors(bio_err);
/* goto end; */
}
store = SSL_CTX_get_cert_store(ctx);
X509_STORE_set_flags(store, vflags);
#ifndef OPENSSL_NO_TLSEXT
if (s_cert2)
{
ctx2=SSL_CTX_new(meth);
if (ctx2 == NULL)
{
ERR_print_errors(bio_err);
goto end;
}
}
if (ctx2)
{
BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
if (session_id_prefix)
{
if(strlen(session_id_prefix) >= 32)
BIO_printf(bio_err,
"warning: id_prefix is too long, only one new session will be possible\n");
else if(strlen(session_id_prefix) >= 16)
BIO_printf(bio_err,
"warning: id_prefix is too long if you use SSLv2\n");
if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
{
BIO_printf(bio_err,"error setting 'id_prefix'\n");
ERR_print_errors(bio_err);
goto end;
}
BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
}
SSL_CTX_set_quiet_shutdown(ctx2,1);
if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
SSL_CTX_set_options(ctx2,off);
/* DTLS: partial reads end up discarding unread UDP bytes :-(
* Setting read ahead solves this problem.
*/
if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
if (no_cache)
SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
else
SSL_CTX_sess_set_cache_size(ctx2,128);
if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
(!SSL_CTX_set_default_verify_paths(ctx2)))
{
ERR_print_errors(bio_err);
}
store = SSL_CTX_get_cert_store(ctx2);
X509_STORE_set_flags(store, vflags);
}
#endif
#ifndef OPENSSL_NO_DH
if (!no_dhe)
{
DH *dh=NULL;
if (dhfile)
dh = load_dh_param(dhfile);
else if (s_cert_file)
dh = load_dh_param(s_cert_file);
if (dh != NULL)
{
BIO_printf(bio_s_out,"Setting temp DH parameters\n");
}
else
{
BIO_printf(bio_s_out,"Using default temp DH parameters\n");
dh=get_dh512();
}
(void)BIO_flush(bio_s_out);
SSL_CTX_set_tmp_dh(ctx,dh);
#ifndef OPENSSL_NO_TLSEXT
if (ctx2)
{
if (!dhfile)
{
DH *dh2=load_dh_param(s_cert_file2);
if (dh2 != NULL)
{
BIO_printf(bio_s_out,"Setting temp DH parameters\n");
(void)BIO_flush(bio_s_out);
DH_free(dh);
dh = dh2;
}
}
SSL_CTX_set_tmp_dh(ctx2,dh);
}
#endif
DH_free(dh);
}
#endif
#ifndef OPENSSL_NO_ECDH
if (!no_ecdhe)
{
EC_KEY *ecdh=NULL;
if (named_curve)
{
int nid = OBJ_sn2nid(named_curve);
if (nid == 0)
{
BIO_printf(bio_err, "unknown curve name (%s)\n",
named_curve);
goto end;
}
ecdh = EC_KEY_new_by_curve_name(nid);
if (ecdh == NULL)
{
BIO_printf(bio_err, "unable to create curve (%s)\n",
named_curve);
goto end;
}
}
if (ecdh != NULL)
{
BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
}
else
{
BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
ecdh = EC_KEY_new_by_curve_name(NID_sect163r2);
if (ecdh == NULL)
{
BIO_printf(bio_err, "unable to create curve (sect163r2)\n");
goto end;
}
}
(void)BIO_flush(bio_s_out);
SSL_CTX_set_tmp_ecdh(ctx,ecdh);
#ifndef OPENSSL_NO_TLSEXT
if (ctx2)
SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
#endif
EC_KEY_free(ecdh);
}
#endif
if (!set_cert_key_stuff(ctx,s_cert,s_key))
goto end;
#ifndef OPENSSL_NO_TLSEXT
if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
goto end;
#endif
if (s_dcert != NULL)
{
if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
goto end;
}
#ifndef OPENSSL_NO_RSA
#if 1
if (!no_tmp_rsa)
{
SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
#ifndef OPENSSL_NO_TLSEXT
if (ctx2)
SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
#endif
}
#else
if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
{
RSA *rsa;
BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
BIO_flush(bio_s_out);
rsa=RSA_generate_key(512,RSA_F4,NULL);
if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
{
ERR_print_errors(bio_err);
goto end;
}
#ifndef OPENSSL_NO_TLSEXT
if (ctx2)
{
if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
{
ERR_print_errors(bio_err);
goto end;
}
}
#endif
RSA_free(rsa);
BIO_printf(bio_s_out,"\n");
}
#endif
#endif
if (cipher != NULL)
if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
BIO_printf(bio_err,"error setting cipher list\n");
ERR_print_errors(bio_err);
goto end;
#ifndef OPENSSL_NO_TLSEXT
if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
{
BIO_printf(bio_err,"error setting cipher list\n");
ERR_print_errors(bio_err);
goto end;
}
#endif
}
SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
sizeof s_server_session_id_context);
/* Set DTLS cookie generation and verification callbacks */
SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
#ifndef OPENSSL_NO_TLSEXT
if (ctx2)
{
SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
sizeof s_server_session_id_context);
tlsextcbp.biodebug = bio_s_out;
SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
}
#endif
if (CAfile != NULL)
{
SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
#ifndef OPENSSL_NO_TLSEXT
if (ctx2)
SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
#endif
}
BIO_printf(bio_s_out,"ACCEPT\n");
if (www)
do_server(port,socket_type,&accept_socket,www_body, context);
else
do_server(port,socket_type,&accept_socket,sv_body, context);
print_stats(bio_s_out,ctx);
ret=0;
end:
if (ctx != NULL) SSL_CTX_free(ctx);
if (s_cert)
X509_free(s_cert);
if (s_dcert)
X509_free(s_dcert);
if (s_key)
EVP_PKEY_free(s_key);
if (s_dkey)
EVP_PKEY_free(s_dkey);
if (pass)
OPENSSL_free(pass);
if (dpass)
OPENSSL_free(dpass);
#ifndef OPENSSL_NO_TLSEXT
if (ctx2 != NULL) SSL_CTX_free(ctx2);
if (s_cert2)
X509_free(s_cert2);
if (s_key2)
EVP_PKEY_free(s_key2);
#endif
if (bio_s_out != NULL)
{
BIO_free(bio_s_out);
bio_s_out=NULL;
}
apps_shutdown();
OPENSSL_EXIT(ret);
}
static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
{
BIO_printf(bio,"%4ld items in the session cache\n",
SSL_CTX_sess_number(ssl_ctx));
BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
SSL_CTX_sess_connect(ssl_ctx));
BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
SSL_CTX_sess_connect_renegotiate(ssl_ctx));
BIO_printf(bio,"%4ld client connects that finished\n",
SSL_CTX_sess_connect_good(ssl_ctx));
BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
SSL_CTX_sess_accept(ssl_ctx));
BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
SSL_CTX_sess_accept_renegotiate(ssl_ctx));
BIO_printf(bio,"%4ld server accepts that finished\n",
SSL_CTX_sess_accept_good(ssl_ctx));
BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
SSL_CTX_sess_cache_full(ssl_ctx),
SSL_CTX_sess_get_cache_size(ssl_ctx));
}
static int sv_body(char *hostname, int s, unsigned char *context)
{
char *buf=NULL;
fd_set readfds;
int ret=1,width;
int k,i;
unsigned long l;
SSL *con=NULL;
BIO *sbio;
struct timeval timeout;
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
struct timeval tv;
#else
struct timeval *timeoutp;
#endif
if ((buf=OPENSSL_malloc(bufsize)) == NULL)
{
BIO_printf(bio_err,"out of memory\n");
goto err;
}
#ifdef FIONBIO
if (s_nbio)
{
unsigned long sl=1;
if (!s_quiet)
BIO_printf(bio_err,"turning on non blocking io\n");
if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
ERR_print_errors(bio_err);
}
#endif
if (con == NULL) {
con=SSL_new(ctx);
#ifndef OPENSSL_NO_TLSEXT
if (s_tlsextdebug)
{
SSL_set_tlsext_debug_callback(con, tlsext_cb);
SSL_set_tlsext_debug_arg(con, bio_s_out);
}
if (s_tlsextstatus)
{
SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
tlscstatp.err = bio_err;
SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
}
#endif
#ifndef OPENSSL_NO_KRB5
if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
{
kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
KRB5SVC);
kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
KRB5KEYTAB);
}
#endif /* OPENSSL_NO_KRB5 */
if(context)
SSL_set_session_id_context(con, context,
strlen((char *)context));
}
SSL_clear(con);
if (SSL_version(con) == DTLS1_VERSION)
{
sbio=BIO_new_dgram(s,BIO_NOCLOSE);
if ( enable_timeouts)
{
timeout.tv_sec = 0;
timeout.tv_usec = DGRAM_RCV_TIMEOUT;
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
timeout.tv_sec = 0;
timeout.tv_usec = DGRAM_SND_TIMEOUT;
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
}
if (socket_mtu > 28)
{
SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
SSL_set_mtu(con, socket_mtu - 28);
}
else
/* want to do MTU discovery */
BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
/* turn on cookie exchange */
SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
}
else
sbio=BIO_new_socket(s,BIO_NOCLOSE);
if (s_nbio_test)
{
BIO *test;
test=BIO_new(BIO_f_nbio_test());
sbio=BIO_push(test,sbio);
}
#ifndef OPENSSL_NO_JPAKE
if(jpake_secret)
jpake_server_auth(bio_s_out, sbio, jpake_secret);
#endif
SSL_set_bio(con,sbio,sbio);
SSL_set_accept_state(con);
/* SSL_set_fd(con,s); */
if (s_debug)
{
con->debug=1;
BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
}
if (s_msg)
{
SSL_set_msg_callback(con, msg_cb);
SSL_set_msg_callback_arg(con, bio_s_out);
}
#ifndef OPENSSL_NO_TLSEXT
if (s_tlsextdebug)
{
SSL_set_tlsext_debug_callback(con, tlsext_cb);
SSL_set_tlsext_debug_arg(con, bio_s_out);
}
#endif
width=s+1;
for (;;)
{
int read_from_terminal;
int read_from_sslcon;
read_from_terminal = 0;
read_from_sslcon = SSL_pending(con);
if (!read_from_sslcon)
{
FD_ZERO(&readfds);
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
FD_SET(fileno(stdin),&readfds);
#endif
FD_SET(s,&readfds);
/* Note: under VMS with SOCKETSHR the second 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 *).
*/
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
/* Under DOS (non-djgpp) and Windows we can't select on stdin: only
* on sockets. As a workaround we timeout the select every
* second and check for any keypress. In a proper Windows
* application we wouldn't do this because it is inefficient.
*/
tv.tv_sec = 1;
tv.tv_usec = 0;
i=select(width,(void *)&readfds,NULL,NULL,&tv);
if((i < 0) || (!i && !_kbhit() ) )continue;
if(_kbhit())
read_from_terminal = 1;
#else
if ((SSL_version(con) == DTLS1_VERSION) &&
DTLSv1_get_timeout(con, &timeout))
timeoutp = &timeout;
else
timeoutp = NULL;
i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
{
BIO_printf(bio_err,"TIMEOUT occured\n");
}
if (i <= 0) continue;
if (FD_ISSET(fileno(stdin),&readfds))
read_from_terminal = 1;
#endif
if (FD_ISSET(s,&readfds))
read_from_sslcon = 1;
}
if (read_from_terminal)
{
if (s_crlf)
{
int j, lf_num;
i=read(fileno(stdin), buf, bufsize/2);
lf_num = 0;
/* both loops are skipped when i <= 0 */
for (j = 0; j < i; j++)
if (buf[j] == '\n')
lf_num++;
for (j = i-1; j >= 0; j--)
{
buf[j+lf_num] = buf[j];
if (buf[j] == '\n')
{
lf_num--;
i++;
buf[j+lf_num] = '\r';
}
}
assert(lf_num == 0);
}
else
i=read(fileno(stdin),buf,bufsize);
if (!s_quiet)
{
if ((i <= 0) || (buf[0] == 'Q'))
{
BIO_printf(bio_s_out,"DONE\n");
SHUTDOWN(s);
close_accept_socket();
ret= -11;
goto err;
}
if ((i <= 0) || (buf[0] == 'q'))
{
BIO_printf(bio_s_out,"DONE\n");
if (SSL_version(con) != DTLS1_VERSION)
SHUTDOWN(s);
/* close_accept_socket();
ret= -11;*/
goto err;
}
if ((buf[0] == 'r') &&
((buf[1] == '\n') || (buf[1] == '\r')))
{
SSL_renegotiate(con);
i=SSL_do_handshake(con);
printf("SSL_do_handshake -> %d\n",i);
i=0; /*13; */
continue;
/* strcpy(buf,"server side RE-NEGOTIATE\n"); */
}
if ((buf[0] == 'R') &&
((buf[1] == '\n') || (buf[1] == '\r')))
{
SSL_set_verify(con,
SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
SSL_renegotiate(con);
i=SSL_do_handshake(con);
printf("SSL_do_handshake -> %d\n",i);
i=0; /* 13; */
continue;
/* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
}
if (buf[0] == 'P')
{
static const char *str="Lets print some clear text\n";
BIO_write(SSL_get_wbio(con),str,strlen(str));
}
if (buf[0] == 'S')
{
print_stats(bio_s_out,SSL_get_SSL_CTX(con));
}
}
#ifdef CHARSET_EBCDIC
ebcdic2ascii(buf,buf,i);
#endif
l=k=0;
for (;;)
{
/* should do a select for the write */
#ifdef RENEG
{ static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
#endif
k=SSL_write(con,&(buf[l]),(unsigned int)i);
switch (SSL_get_error(con,k))
{
case SSL_ERROR_NONE:
break;
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_printf(bio_s_out,"Write BLOCK\n");
break;
case SSL_ERROR_SYSCALL:
case SSL_ERROR_SSL:
BIO_printf(bio_s_out,"ERROR\n");
ERR_print_errors(bio_err);
ret=1;
goto err;
/* break; */
case SSL_ERROR_ZERO_RETURN:
BIO_printf(bio_s_out,"DONE\n");
ret=1;
goto err;
}
l+=k;
i-=k;
if (i <= 0) break;
}
}
if (read_from_sslcon)
{
if (!SSL_is_init_finished(con))
{
i=init_ssl_connection(con);
if (i < 0)
{
ret=0;
goto err;
}
else if (i == 0)
{
ret=1;
goto err;
}
}
else
{
again:
i=SSL_read(con,(char *)buf,bufsize);
switch (SSL_get_error(con,i))
{
case SSL_ERROR_NONE:
#ifdef CHARSET_EBCDIC
ascii2ebcdic(buf,buf,i);
#endif
write(fileno(stdout),buf,
(unsigned int)i);
if (SSL_pending(con)) goto again;
break;
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_printf(bio_s_out,"Read BLOCK\n");
break;
case SSL_ERROR_SYSCALL:
case SSL_ERROR_SSL:
BIO_printf(bio_s_out,"ERROR\n");
ERR_print_errors(bio_err);
ret=1;
goto err;
case SSL_ERROR_ZERO_RETURN:
BIO_printf(bio_s_out,"DONE\n");
ret=1;
goto err;
}
}
}
}
err:
BIO_printf(bio_s_out,"shutting down SSL\n");
#if 1
SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
#else
SSL_shutdown(con);
#endif
if (con != NULL) SSL_free(con);
BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
if (buf != NULL)
{
OPENSSL_cleanse(buf,bufsize);
OPENSSL_free(buf);
}
if (ret >= 0)
BIO_printf(bio_s_out,"ACCEPT\n");
return(ret);
}
static void close_accept_socket(void)
{
BIO_printf(bio_err,"shutdown accept socket\n");
if (accept_socket >= 0)
{
SHUTDOWN2(accept_socket);
}
}
static int init_ssl_connection(SSL *con)
{
int i;
const char *str;
X509 *peer;
long verify_error;
MS_STATIC char buf[BUFSIZ];
if ((i=SSL_accept(con)) <= 0)
{
if (BIO_sock_should_retry(i))
{
BIO_printf(bio_s_out,"DELAY\n");
return(1);
}
BIO_printf(bio_err,"ERROR\n");
verify_error=SSL_get_verify_result(con);
if (verify_error != X509_V_OK)
{
BIO_printf(bio_err,"verify error:%s\n",
X509_verify_cert_error_string(verify_error));
}
else
ERR_print_errors(bio_err);
return(0);
}
PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
peer=SSL_get_peer_certificate(con);
if (peer != NULL)
{
BIO_printf(bio_s_out,"Client certificate\n");
PEM_write_bio_X509(bio_s_out,peer);
X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
BIO_printf(bio_s_out,"subject=%s\n",buf);
X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
BIO_printf(bio_s_out,"issuer=%s\n",buf);
X509_free(peer);
}
if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
TLS1_FLAGS_TLS_PADDING_BUG)
BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
#ifndef OPENSSL_NO_KRB5
if (con->kssl_ctx->client_princ != NULL)
{
BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
con->kssl_ctx->client_princ);
}
#endif /* OPENSSL_NO_KRB5 */
BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
return(1);
}
#ifndef OPENSSL_NO_DH
static DH *load_dh_param(const char *dhfile)
{
DH *ret=NULL;
BIO *bio;
if ((bio=BIO_new_file(dhfile,"r")) == NULL)
goto err;
ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
err:
if (bio != NULL) BIO_free(bio);
return(ret);
}
#endif
#if 0
static int load_CA(SSL_CTX *ctx, char *file)
{
FILE *in;
X509 *x=NULL;
if ((in=fopen(file,"r")) == NULL)
return(0);
for (;;)
{
if (PEM_read_X509(in,&x,NULL) == NULL)
break;
SSL_CTX_add_client_CA(ctx,x);
}
if (x != NULL) X509_free(x);
fclose(in);
return(1);
}
#endif
static int www_body(char *hostname, int s, unsigned char *context)
{
char *buf=NULL;
int ret=1;
int i,j,k,blank,dot;
struct stat st_buf;
SSL *con;
SSL_CIPHER *c;
BIO *io,*ssl_bio,*sbio;
long total_bytes;
buf=OPENSSL_malloc(bufsize);
if (buf == NULL) return(0);
io=BIO_new(BIO_f_buffer());
ssl_bio=BIO_new(BIO_f_ssl());
if ((io == NULL) || (ssl_bio == NULL)) goto err;
#ifdef FIONBIO
if (s_nbio)
{
unsigned long sl=1;
if (!s_quiet)
BIO_printf(bio_err,"turning on non blocking io\n");
if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
ERR_print_errors(bio_err);
}
#endif
/* lets make the output buffer a reasonable size */
if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
if ((con=SSL_new(ctx)) == NULL) goto err;
#ifndef OPENSSL_NO_TLSEXT
if (s_tlsextdebug)
{
SSL_set_tlsext_debug_callback(con, tlsext_cb);
SSL_set_tlsext_debug_arg(con, bio_s_out);
}
#endif
#ifndef OPENSSL_NO_KRB5
if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
{
kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
}
#endif /* OPENSSL_NO_KRB5 */
if(context) SSL_set_session_id_context(con, context,
strlen((char *)context));
sbio=BIO_new_socket(s,BIO_NOCLOSE);
if (s_nbio_test)
{
BIO *test;
test=BIO_new(BIO_f_nbio_test());
sbio=BIO_push(test,sbio);
}
SSL_set_bio(con,sbio,sbio);
SSL_set_accept_state(con);
/* SSL_set_fd(con,s); */
BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
BIO_push(io,ssl_bio);
#ifdef CHARSET_EBCDIC
io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
#endif
if (s_debug)
{
con->debug=1;
BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
}
if (s_msg)
{
SSL_set_msg_callback(con, msg_cb);
SSL_set_msg_callback_arg(con, bio_s_out);
}
blank=0;
for (;;)
{
if (hack)
{
i=SSL_accept(con);
switch (SSL_get_error(con,i))
{
case SSL_ERROR_NONE:
break;
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_X509_LOOKUP:
continue;
case SSL_ERROR_SYSCALL:
case SSL_ERROR_SSL:
case SSL_ERROR_ZERO_RETURN:
ret=1;
goto err;
/* break; */
}
SSL_renegotiate(con);
SSL_write(con,NULL,0);
}
i=BIO_gets(io,buf,bufsize-1);
if (i < 0) /* error */
{
if (!BIO_should_retry(io))
{
if (!s_quiet)
ERR_print_errors(bio_err);
goto err;
}
else
{
BIO_printf(bio_s_out,"read R BLOCK\n");
#if defined(OPENSSL_SYS_NETWARE)
delay(1000);
#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
sleep(1);
#endif
continue;
}
}
else if (i == 0) /* end of input */
{
ret=1;
goto end;
}
/* else we have data */
if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
{
char *p;
X509 *peer;
STACK_OF(SSL_CIPHER) *sk;
static const char *space=" ";
BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
BIO_puts(io,"<pre>\n");
/* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
BIO_puts(io,"\n");
for (i=0; i<local_argc; i++)
{
BIO_puts(io,local_argv[i]);
BIO_write(io," ",1);
}
BIO_puts(io,"\n");
/* The following is evil and should not really
* be done */
BIO_printf(io,"Ciphers supported in s_server binary\n");
sk=SSL_get_ciphers(con);
j=sk_SSL_CIPHER_num(sk);
for (i=0; i<j; i++)
{
c=sk_SSL_CIPHER_value(sk,i);
BIO_printf(io,"%-11s:%-25s",
SSL_CIPHER_get_version(c),
SSL_CIPHER_get_name(c));
if ((((i+1)%2) == 0) && (i+1 != j))
BIO_puts(io,"\n");
}
BIO_puts(io,"\n");
p=SSL_get_shared_ciphers(con,buf,bufsize);
if (p != NULL)
{
BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
j=i=0;
while (*p)
{
if (*p == ':')
{
BIO_write(io,space,26-j);
i++;
j=0;
BIO_write(io,((i%3)?" ":"\n"),1);
}
else
{
BIO_write(io,p,1);
j++;
}
p++;
}
BIO_puts(io,"\n");
}
BIO_printf(io,((con->hit)
?"---\nReused, "
:"---\nNew, "));
c=SSL_get_current_cipher(con);
BIO_printf(io,"%s, Cipher is %s\n",
SSL_CIPHER_get_version(c),
SSL_CIPHER_get_name(c));
SSL_SESSION_print(io,SSL_get_session(con));
BIO_printf(io,"---\n");
print_stats(io,SSL_get_SSL_CTX(con));
BIO_printf(io,"---\n");
peer=SSL_get_peer_certificate(con);
if (peer != NULL)
{
BIO_printf(io,"Client certificate\n");
X509_print(io,peer);
PEM_write_bio_X509(io,peer);
}
else
BIO_puts(io,"no client certificate available\n");
BIO_puts(io,"</BODY></HTML>\r\n\r\n");
break;
}
else if ((www == 2 || www == 3)
&& (strncmp("GET /",buf,5) == 0))
{
BIO *file;
char *p,*e;
static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
/* skip the '/' */
p= &(buf[5]);
dot = 1;
for (e=p; *e != '\0'; e++)
{
if (e[0] == ' ')
break;
switch (dot)
{
case 1:
dot = (e[0] == '.') ? 2 : 0;
break;
case 2:
dot = (e[0] == '.') ? 3 : 0;
break;
case 3:
dot = (e[0] == '/') ? -1 : 0;
break;
}
if (dot == 0)
dot = (e[0] == '/') ? 1 : 0;
}
dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
if (*e == '\0')
{
BIO_puts(io,text);
BIO_printf(io,"'%s' is an invalid file name\r\n",p);
break;
}
*e='\0';
if (dot)
{
BIO_puts(io,text);
BIO_printf(io,"'%s' contains '..' reference\r\n",p);
break;
}
if (*p == '/')
{
BIO_puts(io,text);
BIO_printf(io,"'%s' is an invalid path\r\n",p);
break;
}
#if 0
/* append if a directory lookup */
if (e[-1] == '/')
strcat(p,"index.html");
#endif
/* if a directory, do the index thang */
if (stat(p,&st_buf) < 0)
{
BIO_puts(io,text);
BIO_printf(io,"Error accessing '%s'\r\n",p);
ERR_print_errors(io);
break;
}
if (S_ISDIR(st_buf.st_mode))
{
#if 0 /* must check buffer size */
strcat(p,"/index.html");
#else
BIO_puts(io,text);
BIO_printf(io,"'%s' is a directory\r\n",p);
break;
#endif
}
if ((file=BIO_new_file(p,"r")) == NULL)
{
BIO_puts(io,text);
BIO_printf(io,"Error opening '%s'\r\n",p);
ERR_print_errors(io);
break;
}
if (!s_quiet)
BIO_printf(bio_err,"FILE:%s\n",p);
if (www == 2)
{
i=strlen(p);
if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
else
BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
}
/* send the file */
total_bytes=0;
for (;;)
{
i=BIO_read(file,buf,bufsize);
if (i <= 0) break;
#ifdef RENEG
total_bytes+=i;
fprintf(stderr,"%d\n",i);
if (total_bytes > 3*1024)
{
total_bytes=0;
fprintf(stderr,"RENEGOTIATE\n");
SSL_renegotiate(con);
}
#endif
for (j=0; j<i; )
{
#ifdef RENEG
{ static count=0; if (++count == 13) { SSL_renegotiate(con); } }
#endif
k=BIO_write(io,&(buf[j]),i-j);
if (k <= 0)
{
if (!BIO_should_retry(io))
goto write_error;
else
{
BIO_printf(bio_s_out,"rwrite W BLOCK\n");
}
}
else
{
j+=k;
}
}
}
write_error:
BIO_free(file);
break;
}
}
for (;;)
{
i=(int)BIO_flush(io);
if (i <= 0)
{
if (!BIO_should_retry(io))
break;
}
else
break;
}
end:
#if 1
/* make sure we re-use sessions */
SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
#else
/* This kills performance */
/* SSL_shutdown(con); A shutdown gets sent in the
* BIO_free_all(io) procession */
#endif
err:
if (ret >= 0)
BIO_printf(bio_s_out,"ACCEPT\n");
if (buf != NULL) OPENSSL_free(buf);
if (io != NULL) BIO_free_all(io);
/* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
return(ret);
}
#ifndef OPENSSL_NO_RSA
static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
{
BIGNUM *bn = NULL;
static RSA *rsa_tmp=NULL;
if (!rsa_tmp && ((bn = BN_new()) == NULL))
BIO_printf(bio_err,"Allocation error in generating RSA key\n");
if (!rsa_tmp && bn)
{
if (!s_quiet)
{
BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
(void)BIO_flush(bio_err);
}
if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
!RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
{
if(rsa_tmp) RSA_free(rsa_tmp);
rsa_tmp = NULL;
}
if (!s_quiet)
{
BIO_printf(bio_err,"\n");
(void)BIO_flush(bio_err);
}
BN_free(bn);
}
return(rsa_tmp);
}
#endif
#define MAX_SESSION_ID_ATTEMPTS 10
static int generate_session_id(const SSL *ssl, unsigned char *id,
unsigned int *id_len)
{
unsigned int count = 0;
do {
RAND_pseudo_bytes(id, *id_len);
/* Prefix the session_id with the required prefix. NB: If our
* prefix is too long, clip it - but there will be worse effects
* anyway, eg. the server could only possibly create 1 session
* ID (ie. the prefix!) so all future session negotiations will
* fail due to conflicts. */
memcpy(id, session_id_prefix,
(strlen(session_id_prefix) < *id_len) ?
strlen(session_id_prefix) : *id_len);
}
while(SSL_has_matching_session_id(ssl, id, *id_len) &&
(++count < MAX_SESSION_ID_ATTEMPTS));
if(count >= MAX_SESSION_ID_ATTEMPTS)
return 0;
return 1;
}
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