s_server.c 107.9 KB
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/* apps/s_server.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * 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.
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 *
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 * 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).
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 *
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 * 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.
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 *
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 * 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 :-).
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 * 4. If you include any Windows specific code (or a derivative thereof) from
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 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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 *
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 * 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.
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 *
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 * 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.]
 */
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/* ====================================================================
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 * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
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 *
 * 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
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 *    notice, this list of conditions and the following disclaimer.
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 *
 * 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).
 *
 */
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/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
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 * ECC cipher suite support in OpenSSL originally developed by
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 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 */
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/* ====================================================================
 * Copyright 2005 Nokia. All rights reserved.
 *
 * The portions of the attached software ("Contribution") is developed by
 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 * license.
 *
 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 * support (see RFC 4279) to OpenSSL.
 *
 * No patent licenses or other rights except those expressly stated in
 * the OpenSSL open source license shall be deemed granted or received
 * expressly, by implication, estoppel, or otherwise.
 *
 * No assurances are provided by Nokia that the Contribution does not
 * infringe the patent or other intellectual property rights of any third
 * party or that the license provides you with all the necessary rights
 * to make use of the Contribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 * OTHERWISE.
 */
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#include <assert.h>
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#include <ctype.h>
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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#include <openssl/e_os2.h>
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/* conflicts with winsock2 stuff on netware */
#if !defined(OPENSSL_SYS_NETWARE)
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# include <sys/types.h>
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#endif

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/*
 * 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
 */
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#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
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# define __U_INT
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typedef unsigned int u_int;
#endif

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#include <openssl/lhash.h>
#include <openssl/bn.h>
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#define USE_SOCKETS
#include "apps.h"
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#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/x509.h>
#include <openssl/ssl.h>
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#include <openssl/rand.h>
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#include <openssl/ocsp.h>
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#ifndef OPENSSL_NO_DH
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# include <openssl/dh.h>
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#endif
#ifndef OPENSSL_NO_RSA
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# include <openssl/rsa.h>
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#endif
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#ifndef OPENSSL_NO_SRP
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# include <openssl/srp.h>
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#endif
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#include "s_apps.h"
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#include "timeouts.h"
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#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
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/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
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# undef FIONBIO
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#endif

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#ifndef OPENSSL_NO_RSA
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static RSA *tmp_rsa_cb(SSL *s, int is_export, int keylength);
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#endif
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static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
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static int sv_body(char *hostname, int s, int stype, unsigned char *context);
static int www_body(char *hostname, int s, int stype, unsigned char *context);
static int rev_body(char *hostname, int s, int stype, unsigned char *context);
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static void close_accept_socket(void);
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static void sv_usage(void);
static int init_ssl_connection(SSL *s);
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static void print_stats(BIO *bp, SSL_CTX *ctx);
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static int generate_session_id(const SSL *ssl, unsigned char *id,
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                               unsigned int *id_len);
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static void init_session_cache_ctx(SSL_CTX *sctx);
static void free_sessions(void);
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#ifndef OPENSSL_NO_DH
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static DH *load_dh_param(const char *dhfile);
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#endif
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#ifdef MONOLITH
static void s_server_init(void);
#endif
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/* static int load_CA(SSL_CTX *ctx, char *file);*/

#undef BUFSIZZ
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#define BUFSIZZ 16*1024
static int bufsize = BUFSIZZ;
static int accept_socket = -1;
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#define TEST_CERT       "server.pem"
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#ifndef OPENSSL_NO_TLSEXT
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# define TEST_CERT2      "server2.pem"
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#endif
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#undef PROG
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#define PROG            s_server_main
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extern int verify_depth, verify_return_error, verify_quiet;
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static int s_server_verify = SSL_VERIFY_NONE;
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static int s_server_session_id_context = 1; /* anything will do */
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static const char *s_cert_file = TEST_CERT, *s_key_file =
    NULL, *s_chain_file = NULL;
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#ifndef OPENSSL_NO_TLSEXT
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static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
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#endif
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static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
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#ifdef FIONBIO
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static int s_nbio = 0;
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#endif
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static int s_nbio_test = 0;
int s_crlf = 0;
static SSL_CTX *ctx = NULL;
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#ifndef OPENSSL_NO_TLSEXT
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static SSL_CTX *ctx2 = NULL;
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#endif
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static int www = 0;
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static BIO *bio_s_out = NULL;
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static BIO *bio_s_msg = NULL;
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static int s_debug = 0;
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#ifndef OPENSSL_NO_TLSEXT
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static int s_tlsextdebug = 0;
static int s_tlsextstatus = 0;
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static int cert_status_cb(SSL *s, void *arg);
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#endif
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static int no_resume_ephemeral = 0;
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static int s_msg = 0;
static int s_quiet = 0;
static int s_ign_eof = 0;
static int s_brief = 0;
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static char *keymatexportlabel = NULL;
static int keymatexportlen = 20;
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#ifndef OPENSSL_NO_ENGINE
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static char *engine_id = NULL;
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#endif
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static const char *session_id_prefix = NULL;
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static int enable_timeouts = 0;
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static long socket_mtu;
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#ifndef OPENSSL_NO_DTLS1
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static int cert_chain = 0;
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#endif
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#ifndef OPENSSL_NO_TLSEXT
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static BIO *serverinfo_in = NULL;
static const char *s_serverinfo_file = NULL;
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#endif
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#ifndef OPENSSL_NO_PSK
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static char *psk_identity = "Client_identity";
char *psk_key = NULL;           /* by default PSK is not used */
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static unsigned int psk_server_cb(SSL *ssl, const char *identity,
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                                  unsigned char *psk,
                                  unsigned int max_psk_len)
{
    unsigned int psk_len = 0;
    int ret;
    BIGNUM *bn = NULL;

    if (s_debug)
        BIO_printf(bio_s_out, "psk_server_cb\n");
    if (!identity) {
        BIO_printf(bio_err, "Error: client did not send PSK identity\n");
        goto out_err;
    }
    if (s_debug)
        BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
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                   (int)strlen(identity), identity);
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    /* here we could lookup the given identity e.g. from a database */
    if (strcmp(identity, psk_identity) != 0) {
        BIO_printf(bio_s_out, "PSK error: client identity not found"
                   " (got '%s' expected '%s')\n", identity, psk_identity);
        goto out_err;
    }
    if (s_debug)
        BIO_printf(bio_s_out, "PSK client identity found\n");

    /* convert the PSK key to binary */
    ret = BN_hex2bn(&bn, psk_key);
    if (!ret) {
        BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
                   psk_key);
        if (bn)
            BN_free(bn);
        return 0;
    }
    if (BN_num_bytes(bn) > (int)max_psk_len) {
        BIO_printf(bio_err,
                   "psk buffer of callback is too small (%d) for key (%d)\n",
                   max_psk_len, BN_num_bytes(bn));
        BN_free(bn);
        return 0;
    }

    ret = BN_bn2bin(bn, psk);
    BN_free(bn);

    if (ret < 0)
        goto out_err;
    psk_len = (unsigned int)ret;

    if (s_debug)
        BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
    return psk_len;
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 out_err:
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    if (s_debug)
        BIO_printf(bio_err, "Error in PSK server callback\n");
    return 0;
}
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#endif
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#ifndef OPENSSL_NO_SRP
/* This is a context that we pass to callbacks */
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typedef struct srpsrvparm_st {
    char *login;
    SRP_VBASE *vb;
    SRP_user_pwd *user;
} srpsrvparm;

/*
 * This callback pretends to require some asynchronous logic in order to
 * obtain a verifier. When the callback is called for a new connection we
 * return with a negative value. This will provoke the accept etc to return
 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
 * (which would normally occur after a worker has finished) and we set the
 * user parameters.
 */
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static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
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{
    srpsrvparm *p = (srpsrvparm *) arg;
    if (p->login == NULL && p->user == NULL) {
        p->login = SSL_get_srp_username(s);
        BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
        return (-1);
    }

    if (p->user == NULL) {
        BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
        return SSL3_AL_FATAL;
    }
    if (SSL_set_srp_server_param
        (s, p->user->N, p->user->g, p->user->s, p->user->v,
         p->user->info) < 0) {
        *ad = SSL_AD_INTERNAL_ERROR;
        return SSL3_AL_FATAL;
    }
    BIO_printf(bio_err,
               "SRP parameters set: username = \"%s\" info=\"%s\" \n",
               p->login, p->user->info);
    /* need to check whether there are memory leaks */
    p->user = NULL;
    p->login = NULL;
    return SSL_ERROR_NONE;
}
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#endif

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#ifdef MONOLITH
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static void s_server_init(void)
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{
    accept_socket = -1;
    s_server_verify = SSL_VERIFY_NONE;
    s_dcert_file = NULL;
    s_dkey_file = NULL;
    s_dchain_file = NULL;
    s_cert_file = TEST_CERT;
    s_key_file = NULL;
    s_chain_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;
    s_brief = 0;
# ifndef OPENSSL_NO_ENGINE
    engine_id = NULL;
# endif
}
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#endif

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static void sv_usage(void)
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{
    BIO_printf(bio_err, "usage: s_server [args ...]\n");
    BIO_printf(bio_err, "\n");
    BIO_printf(bio_err,
               " -accept port  - TCP/IP port to accept on (default is %d)\n",
               PORT);
    BIO_printf(bio_err, " -unix path    - unix domain socket to accept on\n");
    BIO_printf(bio_err,
               " -unlink       - for -unix, unlink existing socket first\n");
    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,
               " -verify_return_error - return verification errors\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,
               " -naccept arg  - terminate after 'arg' connections\n");
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#ifndef OPENSSL_NO_TLSEXT
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    BIO_printf(bio_err,
               " -serverinfo arg - PEM serverinfo file for certificate\n");
#endif
    BIO_printf(bio_err,
               " -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n");
    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");
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#ifndef OPENSSL_NO_EC
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    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 nistp256).\n");
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#endif
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#ifdef FIONBIO
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    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,
               " -trusted_first - Use locally trusted CA's first when building trust chain\n");
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    BIO_printf(bio_err,
               " -no_alt_chains - only ever use the first certificate chain found\n");
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    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");
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#ifndef OPENSSL_NO_PSK
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    BIO_printf(bio_err, " -psk_hint arg - PSK identity hint to use\n");
    BIO_printf(bio_err, " -psk arg      - PSK in hex (without 0x)\n");
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# ifndef OPENSSL_NO_JPAKE
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    BIO_printf(bio_err, " -jpake arg    - JPAKE secret to use\n");
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# endif
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#endif
#ifndef OPENSSL_NO_SRP
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    BIO_printf(bio_err, " -srpvfile file      - The verifier file for SRP\n");
    BIO_printf(bio_err,
               " -srpuserseed string - A seed string for a default user salt.\n");
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#endif
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#ifndef OPENSSL_NO_SSL3_METHOD
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    BIO_printf(bio_err, " -ssl3         - Just talk SSLv3\n");
#endif
    BIO_printf(bio_err, " -tls1_2       - Just talk TLSv1.2\n");
    BIO_printf(bio_err, " -tls1_1       - Just talk TLSv1.1\n");
    BIO_printf(bio_err, " -tls1         - Just talk TLSv1\n");
    BIO_printf(bio_err, " -dtls1        - Just talk DTLSv1\n");
    BIO_printf(bio_err, " -dtls1_2      - Just talk DTLSv1.2\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_ssl3      - Just disable SSLv3\n");
    BIO_printf(bio_err, " -no_tls1      - Just disable TLSv1\n");
    BIO_printf(bio_err, " -no_tls1_1    - Just disable TLSv1.1\n");
    BIO_printf(bio_err, " -no_tls1_2    - Just disable TLSv1.2\n");
545
#ifndef OPENSSL_NO_DH
546
    BIO_printf(bio_err, " -no_dhe       - Disable ephemeral DH\n");
B
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547
#endif
548
#ifndef OPENSSL_NO_EC
549 550 551 552 553 554 555 556 557 558 559 560 561
    BIO_printf(bio_err, " -no_ecdhe     - Disable ephemeral ECDH\n");
#endif
    BIO_printf(bio_err,
               "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
    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");
562
#ifndef OPENSSL_NO_ENGINE
563 564
    BIO_printf(bio_err,
               " -engine id    - Initialise and use the specified engine\n");
565
#endif
566 567 568 569
    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);
570
#ifndef OPENSSL_NO_TLSEXT
571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587
    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");
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Ben Laurie 已提交
588
# ifndef OPENSSL_NO_NEXTPROTONEG
589 590
    BIO_printf(bio_err,
               " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
B
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591
# endif
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592
# ifndef OPENSSL_NO_SRTP
593 594
    BIO_printf(bio_err,
               " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
P
Piotr Sikora 已提交
595
# endif
596 597 598 599 600 601 602 603 604 605 606 607 608 609 610
    BIO_printf(bio_err,
               " -alpn arg  - set the advertised protocols for the ALPN extension (comma-separated list)\n");
#endif
    BIO_printf(bio_err,
               " -keymatexport label   - Export keying material using label\n");
    BIO_printf(bio_err,
               " -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
    BIO_printf(bio_err,
               " -status           - respond to certificate status requests\n");
    BIO_printf(bio_err,
               " -status_verbose   - enable status request verbose printout\n");
    BIO_printf(bio_err,
               " -status_timeout n - status request responder timeout\n");
    BIO_printf(bio_err, " -status_url URL   - status request fallback URL\n");
}
611

612
static int local_argc = 0;
613 614
static char **local_argv;

615 616 617 618
#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);
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static int ebcdic_write(BIO *b, const char *in, int inl);
static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
621
static int ebcdic_gets(BIO *bp, char *buf, int size);
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static int ebcdic_puts(BIO *bp, const char *str);
623

624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639
# 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];
640 641 642 643
} EBCDIC_OUTBUFF;

BIO_METHOD *BIO_f_ebcdic_filter()
{
644
    return (&methods_ebcdic);
645 646 647 648
}

static int ebcdic_new(BIO *bi)
{
649
    EBCDIC_OUTBUFF *wbuf;
650

651
    wbuf = (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
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652 653
    if (!wbuf)
        return 0;
654 655
    wbuf->alloced = 1024;
    wbuf->buff[0] = '\0';
656

657 658 659 660
    bi->ptr = (char *)wbuf;
    bi->init = 1;
    bi->flags = 0;
    return (1);
661 662 663 664
}

static int ebcdic_free(BIO *a)
{
665 666 667 668 669 670 671 672
    if (a == NULL)
        return (0);
    if (a->ptr != NULL)
        OPENSSL_free(a->ptr);
    a->ptr = NULL;
    a->init = 0;
    a->flags = 0;
    return (1);
673
}
674

675 676
static int ebcdic_read(BIO *b, char *out, int outl)
{
677
    int ret = 0;
678

679 680 681 682
    if (out == NULL || outl == 0)
        return (0);
    if (b->next_bio == NULL)
        return (0);
683

684 685 686 687
    ret = BIO_read(b->next_bio, out, outl);
    if (ret > 0)
        ascii2ebcdic(out, out, ret);
    return (ret);
688 689
}

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690
static int ebcdic_write(BIO *b, const char *in, int inl)
691
{
692 693 694 695
    EBCDIC_OUTBUFF *wbuf;
    int ret = 0;
    int num;
    unsigned char n;
696

697 698 699 700
    if ((in == NULL) || (inl <= 0))
        return (0);
    if (b->next_bio == NULL)
        return (0);
701

702
    wbuf = (EBCDIC_OUTBUFF *) b->ptr;
703

704 705 706 707 708 709
    if (inl > (num = wbuf->alloced)) {
        num = num + num;        /* double the size */
        if (num < inl)
            num = inl;
        wbuf =
            (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
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710 711 712
        if(!wbuf)
            return 0;
        OPENSSL_free(b->ptr);
713

714 715
        wbuf->alloced = num;
        wbuf->buff[0] = '\0';
716

717 718
        b->ptr = (char *)wbuf;
    }
719

720
    ebcdic2ascii(wbuf->buff, in, inl);
721

722
    ret = BIO_write(b->next_bio, wbuf->buff, inl);
723

724
    return (ret);
725 726
}

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Bodo Möller 已提交
727
static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
728
{
729 730 731 732 733 734 735 736 737 738 739 740 741
    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);
742 743 744 745
}

static int ebcdic_gets(BIO *bp, char *buf, int size)
{
746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761
    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;
762 763
}

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Bodo Möller 已提交
764
static int ebcdic_puts(BIO *bp, const char *str)
765
{
766 767 768
    if (bp->next_bio == NULL)
        return (0);
    return ebcdic_write(bp, str, strlen(str));
769 770 771
}
#endif

772 773 774 775
#ifndef OPENSSL_NO_TLSEXT

/* This is a context that we pass to callbacks */
typedef struct tlsextctx_st {
776 777 778
    char *servername;
    BIO *biodebug;
    int extension_error;
779 780
} tlsextctx;

R
Rich Salz 已提交
781
static int ssl_servername_cb(SSL *s, int *ad, void *arg)
782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
{
    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 (strcasecmp(servername, p->servername))
            return p->extension_error;
        if (ctx2) {
            BIO_printf(p->biodebug, "Switching server context.\n");
            SSL_set_SSL_CTX(s, ctx2);
        }
    }
    return SSL_TLSEXT_ERR_OK;
801
}
802 803 804 805

/* Structure passed to cert status callback */

typedef struct tlsextstatusctx_st {
806 807 808 809 810 811
    /* Default responder to use */
    char *host, *path, *port;
    int use_ssl;
    int timeout;
    BIO *err;
    int verbose;
812 813
} tlsextstatusctx;

814
static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 };
815

816 817 818 819 820 821 822
/*
 * 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".
823 824 825
 */

static int cert_status_cb(SSL *s, void *arg)
826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931
{
    tlsextstatusctx *srctx = arg;
    BIO *err = srctx->err;
    char *host, *port, *path;
    int use_ssl;
    unsigned char *rspder = NULL;
    int rspderlen;
    STACK_OF(OPENSSL_STRING) *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 (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_OPENSSL_STRING_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_OPENSSL_STRING_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, NULL,
                             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;
}
B
Ben Laurie 已提交
932

B
Ben Laurie 已提交
933
# ifndef OPENSSL_NO_NEXTPROTONEG
B
Ben Laurie 已提交
934 935
/* This is the context that we pass to next_proto_cb */
typedef struct tlsextnextprotoctx_st {
936 937
    unsigned char *data;
    unsigned int len;
B
Ben Laurie 已提交
938 939
} tlsextnextprotoctx;

940 941 942 943
static int next_proto_cb(SSL *s, const unsigned char **data,
                         unsigned int *len, void *arg)
{
    tlsextnextprotoctx *next_proto = arg;
B
Ben Laurie 已提交
944

945 946
    *data = next_proto->data;
    *len = next_proto->len;
B
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947

948 949 950
    return SSL_TLSEXT_ERR_OK;
}
# endif                         /* ndef OPENSSL_NO_NEXTPROTONEG */
A
Adam Langley 已提交
951 952 953

/* This the context that we pass to alpn_cb */
typedef struct tlsextalpnctx_st {
954 955
    unsigned char *data;
    unsigned short len;
A
Adam Langley 已提交
956 957
} tlsextalpnctx;

958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990
static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
                   const unsigned char *in, unsigned int inlen, void *arg)
{
    tlsextalpnctx *alpn_ctx = arg;

    if (!s_quiet) {
        /* We can assume that |in| is syntactically valid. */
        unsigned i;
        BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
        for (i = 0; i < inlen;) {
            if (i)
                BIO_write(bio_s_out, ", ", 2);
            BIO_write(bio_s_out, &in[i + 1], in[i]);
            i += in[i] + 1;
        }
        BIO_write(bio_s_out, "\n", 1);
    }

    if (SSL_select_next_proto
        ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
         inlen) != OPENSSL_NPN_NEGOTIATED) {
        return SSL_TLSEXT_ERR_NOACK;
    }

    if (!s_quiet) {
        BIO_printf(bio_s_out, "ALPN protocols selected: ");
        BIO_write(bio_s_out, *out, *outlen);
        BIO_write(bio_s_out, "\n", 1);
    }

    return SSL_TLSEXT_ERR_OK;
}
#endif                          /* ndef OPENSSL_NO_TLSEXT */
991

992
static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
993 994 995 996
{
    /* disable resumption for sessions with forward secure ciphers */
    return is_forward_secure;
}
997

998 999
int MAIN(int, char **);

D
Dr. Stephen Henson 已提交
1000
#ifndef OPENSSL_NO_JPAKE
B
Ben Laurie 已提交
1001
static char *jpake_secret = NULL;
1002
# define no_jpake !jpake_secret
1003
#else
1004
# define no_jpake 1
D
Dr. Stephen Henson 已提交
1005
#endif
D
Dr. Stephen Henson 已提交
1006
#ifndef OPENSSL_NO_SRP
1007
static srpsrvparm srp_callback_parm;
D
Dr. Stephen Henson 已提交
1008
#endif
P
Piotr Sikora 已提交
1009
#ifndef OPENSSL_NO_SRTP
B
Ben Laurie 已提交
1010
static char *srtp_profiles = NULL;
P
Piotr Sikora 已提交
1011
#endif
B
Ben Laurie 已提交
1012

U
Ulf Möller 已提交
1013
int MAIN(int argc, char *argv[])
1014 1015 1016 1017 1018
{
    X509_VERIFY_PARAM *vpm = NULL;
    int badarg = 0;
    short port = PORT;
    const char *unix_path = NULL;
D
Dr. Stephen Henson 已提交
1019
#ifndef NO_SYS_UN_H
1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047
    int unlink_unix_path = 0;
#endif
    int (*server_cb) (char *hostname, int s, int stype,
                      unsigned char *context);
    char *CApath = NULL, *CAfile = NULL;
    char *chCApath = NULL, *chCAfile = NULL;
    char *vfyCApath = NULL, *vfyCAfile = NULL;
    unsigned char *context = NULL;
    char *dhfile = NULL;
    int badop = 0;
    int ret = 1;
    int build_chain = 0;
    int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0;
    int state = 0;
    const 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;
    STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
    EVP_PKEY *s_key = NULL, *s_dkey = NULL;
    int no_cache = 0, ext_cache = 0;
    int rev = 0, naccept = -1;
    int sdebug = 0;
1048
#ifndef OPENSSL_NO_TLSEXT
1049 1050 1051
    EVP_PKEY *s_key2 = NULL;
    X509 *s_cert2 = NULL;
    tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
B
Ben Laurie 已提交
1052
# ifndef OPENSSL_NO_NEXTPROTONEG
1053 1054
    const char *next_proto_neg_in = NULL;
    tlsextnextprotoctx next_proto = { NULL, 0 };
1055
# endif
1056 1057
    const char *alpn_in = NULL;
    tlsextalpnctx alpn_ctx = { NULL, 0 };
1058
#endif
1059
#ifndef OPENSSL_NO_PSK
1060 1061
    /* by default do not send a PSK identity hint */
    static char *psk_identity_hint = NULL;
1062
#endif
B
Ben Laurie 已提交
1063
#ifndef OPENSSL_NO_SRP
1064 1065
    char *srpuserseed = NULL;
    char *srp_verifier_file = NULL;
B
Ben Laurie 已提交
1066
#endif
1067 1068 1069
    SSL_EXCERT *exc = NULL;
    SSL_CONF_CTX *cctx = NULL;
    STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1070

1071 1072 1073 1074
    char *crl_file = NULL;
    int crl_format = FORMAT_PEM;
    int crl_download = 0;
    STACK_OF(X509_CRL) *crls = NULL;
1075

1076
    meth = SSLv23_server_method();
1077

1078 1079
    local_argc = argc;
    local_argv = argv;
1080

1081
    apps_startup();
1082
#ifdef MONOLITH
1083
    s_server_init();
1084
#endif
1085

1086 1087
    if (bio_err == NULL)
        bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
1088

1089 1090
    if (!load_config(bio_err, NULL))
        goto end;
D
Dr. Stephen Henson 已提交
1091

1092 1093 1094 1095 1096
    cctx = SSL_CONF_CTX_new();
    if (!cctx)
        goto end;
    SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
    SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1097

1098
    verify_depth = 0;
1099
#ifdef FIONBIO
1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113
    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, "-unix") == 0) {
1114
#ifdef NO_SYS_UN_H
1115 1116
            BIO_printf(bio_err, "unix domain sockets unsupported\n");
            goto bad;
1117
#else
1118 1119 1120
            if (--argc < 1)
                goto bad;
            unix_path = *(++argv);
1121
#endif
1122
        } else if (strcmp(*argv, "-unlink") == 0) {
1123
#ifdef NO_SYS_UN_H
1124 1125
            BIO_printf(bio_err, "unix domain sockets unsupported\n");
            goto bad;
1126
#else
1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168
            unlink_unix_path = 1;
#endif
        } else if (strcmp(*argv, "-naccept") == 0) {
            if (--argc < 1)
                goto bad;
            naccept = atol(*(++argv));
            if (naccept <= 0) {
                BIO_printf(bio_err, "bad accept value %s\n", *argv);
                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));
            if (!s_quiet)
                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));
            if (!s_quiet)
                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, "-CRL") == 0) {
            if (--argc < 1)
                goto bad;
            crl_file = *(++argv);
        } else if (strcmp(*argv, "-crl_download") == 0)
            crl_download = 1;
B
Ben Laurie 已提交
1169
#ifndef OPENSSL_NO_TLSEXT
1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293
        else if (strcmp(*argv, "-serverinfo") == 0) {
            if (--argc < 1)
                goto bad;
            s_serverinfo_file = *(++argv);
        }
#endif
        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, "-cert_chain") == 0) {
            if (--argc < 1)
                goto bad;
            s_chain_file = *(++argv);
        } else if (strcmp(*argv, "-dhparam") == 0) {
            if (--argc < 1)
                goto bad;
            dhfile = *(++argv);
        } 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, "-dcert_chain") == 0) {
            if (--argc < 1)
                goto bad;
            s_dchain_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, "-chainCApath") == 0) {
            if (--argc < 1)
                goto bad;
            chCApath = *(++argv);
        } else if (strcmp(*argv, "-verifyCApath") == 0) {
            if (--argc < 1)
                goto bad;
            vfyCApath = *(++argv);
        } else if (strcmp(*argv, "-no_cache") == 0)
            no_cache = 1;
        else if (strcmp(*argv, "-ext_cache") == 0)
            ext_cache = 1;
        else if (strcmp(*argv, "-CRLform") == 0) {
            if (--argc < 1)
                goto bad;
            crl_format = str2fmt(*(++argv));
        } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
            if (badarg)
                goto bad;
            continue;
        } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) {
            if (badarg)
                goto bad;
            continue;
        } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args)) {
            if (badarg)
                goto bad;
            continue;
        } else if (strcmp(*argv, "-verify_return_error") == 0)
            verify_return_error = 1;
        else if (strcmp(*argv, "-verify_quiet") == 0)
            verify_quiet = 1;
        else if (strcmp(*argv, "-build_chain") == 0)
            build_chain = 1;
        else if (strcmp(*argv, "-CAfile") == 0) {
            if (--argc < 1)
                goto bad;
            CAfile = *(++argv);
        } else if (strcmp(*argv, "-chainCAfile") == 0) {
            if (--argc < 1)
                goto bad;
            chCAfile = *(++argv);
        } else if (strcmp(*argv, "-verifyCAfile") == 0) {
            if (--argc < 1)
                goto bad;
            vfyCAfile = *(++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, "-ign_eof") == 0)
            s_ign_eof = 1;
        else if (strcmp(*argv, "-no_ign_eof") == 0)
            s_ign_eof = 0;
        else if (strcmp(*argv, "-debug") == 0) {
            s_debug = 1;
        }
1294
#ifndef OPENSSL_NO_TLSEXT
1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326
        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, "-msgfile") == 0) {
            if (--argc < 1)
                goto bad;
            bio_s_msg = BIO_new_file(*(++argv), "w");
        }
1327
#ifndef OPENSSL_NO_SSL_TRACE
1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354
        else if (strcmp(*argv, "-trace") == 0) {
            s_msg = 2;
        }
#endif
        else if (strcmp(*argv, "-security_debug") == 0) {
            sdebug = 1;
        } else if (strcmp(*argv, "-security_debug_verbose") == 0) {
            sdebug = 2;
        } 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, "-brief") == 0) {
            s_quiet = 1;
            s_brief = 1;
            verify_quiet = 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, "-no_resume_ephemeral") == 0) {
            no_resume_ephemeral = 1;
        }
1355
#ifndef OPENSSL_NO_PSK
1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372
        else if (strcmp(*argv, "-psk_hint") == 0) {
            if (--argc < 1)
                goto bad;
            psk_identity_hint = *(++argv);
        } else if (strcmp(*argv, "-psk") == 0) {
            size_t i;

            if (--argc < 1)
                goto bad;
            psk_key = *(++argv);
            for (i = 0; i < strlen(psk_key); i++) {
                if (isxdigit((unsigned char)psk_key[i]))
                    continue;
                BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
                goto bad;
            }
        }
B
Ben Laurie 已提交
1373 1374
#endif
#ifndef OPENSSL_NO_SRP
1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395
        else if (strcmp(*argv, "-srpvfile") == 0) {
            if (--argc < 1)
                goto bad;
            srp_verifier_file = *(++argv);
            meth = TLSv1_server_method();
        } else if (strcmp(*argv, "-srpuserseed") == 0) {
            if (--argc < 1)
                goto bad;
            srpuserseed = *(++argv);
            meth = TLSv1_server_method();
        }
#endif
        else if (strcmp(*argv, "-rev") == 0) {
            rev = 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;
        }
1396
#ifndef OPENSSL_NO_SSL3_METHOD
1397 1398 1399
        else if (strcmp(*argv, "-ssl3") == 0) {
            meth = SSLv3_server_method();
        }
1400
#endif
1401 1402 1403 1404 1405 1406 1407
        else if (strcmp(*argv, "-tls1") == 0) {
            meth = TLSv1_server_method();
        } else if (strcmp(*argv, "-tls1_1") == 0) {
            meth = TLSv1_1_server_method();
        } else if (strcmp(*argv, "-tls1_2") == 0) {
            meth = TLSv1_2_server_method();
        }
B
Ben Laurie 已提交
1408
#ifndef OPENSSL_NO_DTLS1
1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431
        else if (strcmp(*argv, "-dtls") == 0) {
            meth = DTLS_server_method();
            socket_type = SOCK_DGRAM;
        } else if (strcmp(*argv, "-dtls1") == 0) {
            meth = DTLSv1_server_method();
            socket_type = SOCK_DGRAM;
        } else if (strcmp(*argv, "-dtls1_2") == 0) {
            meth = DTLSv1_2_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);
        }
1432
#ifndef OPENSSL_NO_ENGINE
1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443
        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);
        }
1444
#ifndef OPENSSL_NO_TLSEXT
1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459
        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);
        }
B
Ben Laurie 已提交
1460
# ifndef OPENSSL_NO_NEXTPROTONEG
1461 1462 1463 1464 1465
        else if (strcmp(*argv, "-nextprotoneg") == 0) {
            if (--argc < 1)
                goto bad;
            next_proto_neg_in = *(++argv);
        }
1466
# endif
1467 1468 1469 1470 1471
        else if (strcmp(*argv, "-alpn") == 0) {
            if (--argc < 1)
                goto bad;
            alpn_in = *(++argv);
        }
1472
#endif
D
Dr. Stephen Henson 已提交
1473
#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1474 1475 1476 1477 1478
        else if (strcmp(*argv, "-jpake") == 0) {
            if (--argc < 1)
                goto bad;
            jpake_secret = *(++argv);
        }
D
Dr. Stephen Henson 已提交
1479
#endif
P
Piotr Sikora 已提交
1480
#ifndef OPENSSL_NO_SRTP
1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509
        else if (strcmp(*argv, "-use_srtp") == 0) {
            if (--argc < 1)
                goto bad;
            srtp_profiles = *(++argv);
        }
#endif
        else if (strcmp(*argv, "-keymatexport") == 0) {
            if (--argc < 1)
                goto bad;
            keymatexportlabel = *(++argv);
        } else if (strcmp(*argv, "-keymatexportlen") == 0) {
            if (--argc < 1)
                goto bad;
            keymatexportlen = atoi(*(++argv));
            if (keymatexportlen == 0)
                goto bad;
        } else {
            BIO_printf(bio_err, "unknown option %s\n", *argv);
            badop = 1;
            break;
        }
        argc--;
        argv++;
    }
    if (badop) {
 bad:
        sv_usage();
        goto end;
    }
1510
#ifndef OPENSSL_NO_DTLS1
1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521
    if (www && socket_type == SOCK_DGRAM) {
        BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
        goto end;
    }
#endif

    if (unix_path && (socket_type != SOCK_STREAM)) {
        BIO_printf(bio_err,
                   "Can't use unix sockets and datagrams together\n");
        goto end;
    }
D
Dr. Stephen Henson 已提交
1522
#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1523 1524 1525 1526 1527 1528 1529
    if (jpake_secret) {
        if (psk_key) {
            BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
            goto end;
        }
        psk_identity = "JPAKE";
    }
1530
#endif
1531

1532 1533
    SSL_load_error_strings();
    OpenSSL_add_ssl_algorithms();
1534

1535
#ifndef OPENSSL_NO_ENGINE
1536
    e = setup_engine(bio_err, engine_id, 1);
1537
#endif
1538

1539 1540 1541 1542
    if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
        BIO_printf(bio_err, "Error getting password\n");
        goto end;
    }
D
PR: 910  
Dr. Stephen Henson 已提交
1543

1544 1545
    if (s_key_file == NULL)
        s_key_file = s_cert_file;
1546
#ifndef OPENSSL_NO_TLSEXT
1547 1548 1549
    if (s_key_file2 == NULL)
        s_key_file2 = s_cert_file2;
#endif
1550

1551 1552 1553 1554 1555 1556 1557 1558 1559 1560
    if (!load_excert(&exc, bio_err))
        goto end;

    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;
        }
D
PR: 910  
Dr. Stephen Henson 已提交
1561

1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593
        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;
        }
        if (s_chain_file) {
            s_chain = load_certs(bio_err, s_chain_file, FORMAT_PEM,
                                 NULL, e, "server certificate chain");
            if (!s_chain)
                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                          /* OPENSSL_NO_TLSEXT */
    }
A
Adam Langley 已提交
1594
#if !defined(OPENSSL_NO_TLSEXT)
1595 1596 1597 1598 1599 1600 1601 1602 1603 1604
# if !defined(OPENSSL_NO_NEXTPROTONEG)
    if (next_proto_neg_in) {
        unsigned short len;
        next_proto.data = next_protos_parse(&len, next_proto_neg_in);
        if (next_proto.data == NULL)
            goto end;
        next_proto.len = len;
    } else {
        next_proto.data = NULL;
    }
A
Adam Langley 已提交
1605
# endif
1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633
    alpn_ctx.data = NULL;
    if (alpn_in) {
        unsigned short len;
        alpn_ctx.data = next_protos_parse(&len, alpn_in);
        if (alpn_ctx.data == NULL)
            goto end;
        alpn_ctx.len = len;
    }
#endif

    if (crl_file) {
        X509_CRL *crl;
        crl = load_crl(crl_file, crl_format);
        if (!crl) {
            BIO_puts(bio_err, "Error loading CRL\n");
            ERR_print_errors(bio_err);
            goto end;
        }
        crls = sk_X509_CRL_new_null();
        if (!crls || !sk_X509_CRL_push(crls, crl)) {
            BIO_puts(bio_err, "Error adding CRL\n");
            ERR_print_errors(bio_err);
            X509_CRL_free(crl);
            goto end;
        }
    }

    if (s_dcert_file) {
1634

1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679
        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 (s_dchain_file) {
            s_dchain = load_certs(bio_err, s_dchain_file, FORMAT_PEM,
                                  NULL, e, "second server certificate chain");
            if (!s_dchain)
                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) {
            bio_s_out = BIO_new(BIO_s_null());
            if (s_msg && !bio_s_msg)
                bio_s_msg = BIO_new_fp(stdout, BIO_NOCLOSE);
        } else {
            if (bio_s_out == NULL)
                bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
        }
    }
1680
#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1681
    if (nocert)
1682
#endif
1683 1684 1685 1686 1687
    {
        s_cert_file = NULL;
        s_key_file = NULL;
        s_dcert_file = NULL;
        s_dkey_file = NULL;
1688
#ifndef OPENSSL_NO_TLSEXT
1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723
        s_cert_file2 = NULL;
        s_key_file2 = NULL;
#endif
    }

    ctx = SSL_CTX_new(meth);
    if (sdebug)
        ssl_ctx_security_debug(ctx, bio_err, sdebug);
    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");
        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 (exc)
        ssl_ctx_set_excert(ctx, exc);

    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 if (ext_cache)
        init_session_cache_ctx(ctx);
    else
        SSL_CTX_sess_set_cache_size(ctx, 128);
1724

P
Piotr Sikora 已提交
1725
#ifndef OPENSSL_NO_SRTP
M
Matt Caswell 已提交
1726 1727 1728 1729 1730 1731 1732 1733
    if (srtp_profiles != NULL) {
        /* Returns 0 on success!! */
        if(SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles)) {
            BIO_printf(bio_err, "Error setting SRTP profile\n");
            ERR_print_errors(bio_err);
            goto end;
        }
    }
P
Piotr Sikora 已提交
1734
#endif
B
Ben Laurie 已提交
1735

1736 1737 1738 1739 1740 1741
    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; */
    }
M
Matt Caswell 已提交
1742 1743 1744 1745 1746
    if (vpm && !SSL_CTX_set1_param(ctx, vpm)) {
        BIO_printf(bio_err, "Error setting X509 params\n");
        ERR_print_errors(bio_err);
        goto end;
    }
1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757

    ssl_ctx_add_crls(ctx, crls, 0);
    if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
        goto end;

    if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
                         crls, crl_download)) {
        BIO_printf(bio_err, "Error loading store locations\n");
        ERR_print_errors(bio_err);
        goto end;
    }
1758
#ifndef OPENSSL_NO_TLSEXT
1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801
    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 (sdebug)
            ssl_ctx_security_debug(ctx, bio_err, sdebug);

        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");
            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 (exc)
            ssl_ctx_set_excert(ctx2, exc);

        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 if (ext_cache)
            init_session_cache_ctx(ctx2);
        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);
        }
M
Matt Caswell 已提交
1802 1803 1804 1805 1806
        if (vpm && !SSL_CTX_set1_param(ctx2, vpm))  {
            BIO_printf(bio_err, "Error setting X509 params\n");
            ERR_print_errors(bio_err);
            goto end;
        }
B
Ben Laurie 已提交
1807

1808 1809 1810 1811
        ssl_ctx_add_crls(ctx2, crls, 0);
        if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
            goto end;
    }
B
Ben Laurie 已提交
1812
# ifndef OPENSSL_NO_NEXTPROTONEG
1813 1814 1815
    if (next_proto.data)
        SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
                                              &next_proto);
B
Ben Laurie 已提交
1816
# endif
1817 1818 1819
    if (alpn_ctx.data)
        SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
#endif
B
Bodo Möller 已提交
1820

1821
#ifndef OPENSSL_NO_DH
1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868
    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");
        }
        (void)BIO_flush(bio_s_out);

        if (dh == NULL)
            SSL_CTX_set_dh_auto(ctx, 1);
        else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
            BIO_puts(bio_err, "Error setting temp DH parameters\n");
            ERR_print_errors(bio_err);
            DH_free(dh);
            goto end;
        }
# 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;
                }
            }
            if (dh == NULL)
                SSL_CTX_set_dh_auto(ctx2, 1);
            else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
                BIO_puts(bio_err, "Error setting temp DH parameters\n");
                ERR_print_errors(bio_err);
                DH_free(dh);
                goto end;
            }
        }
# endif
        DH_free(dh);
    }
1869
#endif
1870

1871 1872
    if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
        goto end;
1873
#ifndef OPENSSL_NO_TLSEXT
1874 1875 1876 1877 1878
    if (s_serverinfo_file != NULL
        && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
        ERR_print_errors(bio_err);
        goto end;
    }
1879
#endif
1880 1881 1882
#ifndef OPENSSL_NO_TLSEXT
    if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
        goto end;
1883
#endif
1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895
    if (s_dcert != NULL) {
        if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
            goto end;
    }
#ifndef OPENSSL_NO_RSA
    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
    }
1896 1897
#endif

1898 1899 1900
    if (no_resume_ephemeral) {
        SSL_CTX_set_not_resumable_session_callback(ctx,
                                                   not_resumable_sess_cb);
1901
#ifndef OPENSSL_NO_TLSEXT
1902 1903 1904
        if (ctx2)
            SSL_CTX_set_not_resumable_session_callback(ctx2,
                                                       not_resumable_sess_cb);
1905
#endif
1906
    }
1907
#ifndef OPENSSL_NO_PSK
1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918
# ifdef OPENSSL_NO_JPAKE
    if (psk_key != NULL)
# else
    if (psk_key != NULL || jpake_secret)
# endif
    {
        if (s_debug)
            BIO_printf(bio_s_out,
                       "PSK key given or JPAKE in use, setting server callback\n");
        SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
    }
1919

1920 1921 1922 1923 1924
    if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
        BIO_printf(bio_err, "error setting PSK identity hint to context\n");
        ERR_print_errors(bio_err);
        goto end;
    }
1925 1926
#endif

1927
    SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
M
Matt Caswell 已提交
1928 1929 1930 1931 1932 1933 1934
    if(!SSL_CTX_set_session_id_context(ctx,
        (void *)&s_server_session_id_context,
        sizeof s_server_session_id_context)) {
        BIO_printf(bio_err, "error setting session id context\n");
        ERR_print_errors(bio_err);
        goto end;
    }
1935

1936 1937 1938
    /* 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);
D
Dr. Stephen Henson 已提交
1939

1940
#ifndef OPENSSL_NO_TLSEXT
1941 1942
    if (ctx2) {
        SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
M
Matt Caswell 已提交
1943
        if(!SSL_CTX_set_session_id_context(ctx2,
1944
                                       (void *)&s_server_session_id_context,
M
Matt Caswell 已提交
1945 1946 1947 1948 1949
                                       sizeof s_server_session_id_context)) {
            BIO_printf(bio_err, "error setting session id context\n");
            ERR_print_errors(bio_err);
            goto end;
        }
1950

1951 1952 1953 1954 1955 1956
        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);
    }
1957
#endif
1958

B
Ben Laurie 已提交
1959
#ifndef OPENSSL_NO_SRP
1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978
    if (srp_verifier_file != NULL) {
        srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
        srp_callback_parm.user = NULL;
        srp_callback_parm.login = NULL;
        if ((ret =
             SRP_VBASE_init(srp_callback_parm.vb,
                            srp_verifier_file)) != SRP_NO_ERROR) {
            BIO_printf(bio_err,
                       "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
                       srp_verifier_file, ret);
            goto end;
        }
        SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
        SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
        SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
    } else
#endif
    if (CAfile != NULL) {
        SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1979
#ifndef OPENSSL_NO_TLSEXT
1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992
        if (ctx2)
            SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
#endif
    }

    BIO_printf(bio_s_out, "ACCEPT\n");
    (void)BIO_flush(bio_s_out);
    if (rev)
        server_cb = rev_body;
    else if (www)
        server_cb = www_body;
    else
        server_cb = sv_body;
D
Dr. Stephen Henson 已提交
1993
#ifndef NO_SYS_UN_H
1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028
    if (unix_path) {
        if (unlink_unix_path)
            unlink(unix_path);
        do_server_unix(unix_path, &accept_socket, server_cb, context,
                       naccept);
    } else
#endif
        do_server(port, socket_type, &accept_socket, server_cb, context,
                  naccept);
    print_stats(bio_s_out, ctx);
    ret = 0;
 end:
    if (ctx != NULL)
        SSL_CTX_free(ctx);
    if (s_cert)
        X509_free(s_cert);
    if (crls)
        sk_X509_CRL_pop_free(crls, X509_CRL_free);
    if (s_dcert)
        X509_free(s_dcert);
    if (s_key)
        EVP_PKEY_free(s_key);
    if (s_dkey)
        EVP_PKEY_free(s_dkey);
    if (s_chain)
        sk_X509_pop_free(s_chain, X509_free);
    if (s_dchain)
        sk_X509_pop_free(s_dchain, X509_free);
    if (pass)
        OPENSSL_free(pass);
    if (dpass)
        OPENSSL_free(dpass);
    if (vpm)
        X509_VERIFY_PARAM_free(vpm);
    free_sessions();
2029
#ifndef OPENSSL_NO_TLSEXT
2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043
    if (tlscstatp.host)
        OPENSSL_free(tlscstatp.host);
    if (tlscstatp.port)
        OPENSSL_free(tlscstatp.port);
    if (tlscstatp.path)
        OPENSSL_free(tlscstatp.path);
    if (ctx2 != NULL)
        SSL_CTX_free(ctx2);
    if (s_cert2)
        X509_free(s_cert2);
    if (s_key2)
        EVP_PKEY_free(s_key2);
    if (serverinfo_in != NULL)
        BIO_free(serverinfo_in);
2044
# ifndef OPENSSL_NO_NEXTPROTONEG
2045 2046
    if (next_proto.data)
        OPENSSL_free(next_proto.data);
2047
# endif
2048 2049 2050 2051 2052 2053 2054 2055
    if (alpn_ctx.data)
        OPENSSL_free(alpn_ctx.data);
#endif
    ssl_excert_free(exc);
    if (ssl_args)
        sk_OPENSSL_STRING_free(ssl_args);
    if (cctx)
        SSL_CONF_CTX_free(cctx);
2056
#ifndef OPENSSL_NO_JPAKE
2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070
    if (jpake_secret && psk_key)
        OPENSSL_free(psk_key);
#endif
    if (bio_s_out != NULL) {
        BIO_free(bio_s_out);
        bio_s_out = NULL;
    }
    if (bio_s_msg != NULL) {
        BIO_free(bio_s_msg);
        bio_s_msg = NULL;
    }
    apps_shutdown();
    OPENSSL_EXIT(ret);
}
2071

U
Ulf Möller 已提交
2072
static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098
{
    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));
}
2099

2100
static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2101 2102 2103 2104 2105 2106 2107 2108
{
    char *buf = NULL;
    fd_set readfds;
    int ret = 1, width;
    int k, i;
    unsigned long l;
    SSL *con = NULL;
    BIO *sbio;
2109
#ifndef OPENSSL_NO_KRB5
2110
    KSSL_CTX *kctx;
2111
#endif
2112
    struct timeval timeout;
R
Rich Salz 已提交
2113
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2114
    struct timeval tv;
2115
#else
2116
    struct timeval *timeoutp;
2117
#endif
2118

2119 2120 2121 2122 2123 2124 2125
    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;
2126

2127 2128 2129 2130 2131
        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);
    }
2132 2133
#endif

2134 2135
    if (con == NULL) {
        con = SSL_new(ctx);
2136
#ifndef OPENSSL_NO_TLSEXT
2137 2138 2139 2140 2141 2142 2143 2144 2145
        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);
        }
2146
#endif
2147
#ifndef OPENSSL_NO_KRB5
2148 2149 2150 2151 2152 2153
        if ((kctx = kssl_ctx_new()) != NULL) {
            SSL_set0_kssl_ctx(con, kctx);
            kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
            kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
        }
#endif                          /* OPENSSL_NO_KRB5 */
M
Matt Caswell 已提交
2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164
        if (context && !SSL_set_session_id_context(con, context,
                                                   strlen((char *)context))) {
            BIO_printf(bio_err, "Error setting session id context\n");
            ret = -1;
            goto err;
        }
    }
    if(!SSL_clear(con)) {
        BIO_printf(bio_err, "Error clearing SSL connection\n");
        ret = -1;
        goto err;
2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198
    }

    if (stype == SOCK_DGRAM) {

        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) {
            if (socket_mtu < DTLS_get_link_min_mtu(con)) {
                BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
                           DTLS_get_link_min_mtu(con));
                ret = -1;
                BIO_free(sbio);
                goto err;
            }
            SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
            if (!DTLS_set_link_mtu(con, socket_mtu)) {
                BIO_printf(bio_err, "Failed to set MTU\n");
                ret = -1;
                BIO_free(sbio);
                goto err;
            }
        } else
            /* want to do MTU discovery */
            BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
B
Ben Laurie 已提交
2199 2200 2201

        /* turn on cookie exchange */
        SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2202 2203
    } else
        sbio = BIO_new_socket(s, BIO_NOCLOSE);
B
Ben Laurie 已提交
2204

2205 2206
    if (s_nbio_test) {
        BIO *test;
2207

2208 2209 2210
        test = BIO_new(BIO_f_nbio_test());
        sbio = BIO_push(test, sbio);
    }
D
Dr. Stephen Henson 已提交
2211
#ifndef OPENSSL_NO_JPAKE
2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225
    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) {
        SSL_set_debug(con, 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) {
2226
#ifndef OPENSSL_NO_SSL_TRACE
2227 2228 2229
        if (s_msg == 2)
            SSL_set_msg_callback(con, SSL_trace);
        else
2230
#endif
2231 2232 2233
            SSL_set_msg_callback(con, msg_cb);
        SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
    }
2234
#ifndef OPENSSL_NO_TLSEXT
2235 2236 2237 2238
    if (s_tlsextdebug) {
        SSL_set_tlsext_debug_callback(con, tlsext_cb);
        SSL_set_tlsext_debug_arg(con, bio_s_out);
    }
2239
#endif
2240

2241 2242 2243 2244
    width = s + 1;
    for (;;) {
        int read_from_terminal;
        int read_from_sslcon;
B
Bodo Möller 已提交
2245

2246 2247
        read_from_terminal = 0;
        read_from_sslcon = SSL_pending(con);
B
Bodo Möller 已提交
2248

2249 2250
        if (!read_from_sslcon) {
            FD_ZERO(&readfds);
R
Rich Salz 已提交
2251
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
2252 2253 2254 2255 2256 2257 2258 2259 2260 2261
            openssl_fdset(fileno(stdin), &readfds);
#endif
            openssl_fdset(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 *).
             */
R
Richard Levitte 已提交
2262
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275
            /*
             * 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;
2276
#else
2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329
            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 occurred\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 = raw_read_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 = raw_read_stdin(buf, bufsize);
            if (!s_quiet && !s_brief) {
                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)
B
Ben Laurie 已提交
2330
                        SHUTDOWN(s);
2331 2332 2333 2334 2335
                    /*
                     * close_accept_socket(); ret= -11;
                     */
                    goto err;
                }
D
Dr. Stephen Henson 已提交
2336
#ifndef OPENSSL_NO_HEARTBEATS
2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375
                if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
                    BIO_printf(bio_err, "HEARTBEATING\n");
                    SSL_heartbeat(con);
                    i = 0;
                    continue;
                }
#endif
                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));
                }
            }
2376
#ifdef CHARSET_EBCDIC
2377
            ebcdic2ascii(buf, buf, i);
2378
#endif
2379 2380 2381
            l = k = 0;
            for (;;) {
                /* should do a select for the write */
2382
#ifdef RENEG
2383 2384 2385 2386 2387 2388 2389
                {
                    static count = 0;
                    if (++count == 100) {
                        count = 0;
                        SSL_renegotiate(con);
                    }
                }
2390
#endif
2391
                k = SSL_write(con, &(buf[l]), (unsigned int)i);
D
Dr. Stephen Henson 已提交
2392
#ifndef OPENSSL_NO_SRP
2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445
                while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
                    BIO_printf(bio_s_out, "LOOKUP renego during write\n");
                    srp_callback_parm.user =
                        SRP_VBASE_get_by_user(srp_callback_parm.vb,
                                              srp_callback_parm.login);
                    if (srp_callback_parm.user)
                        BIO_printf(bio_s_out, "LOOKUP done %s\n",
                                   srp_callback_parm.user->info);
                    else
                        BIO_printf(bio_s_out, "LOOKUP not successful\n");
                    k = SSL_write(con, &(buf[l]), (unsigned int)i);
                }
#endif
                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);
D
Dr. Stephen Henson 已提交
2446
#ifndef OPENSSL_NO_SRP
2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461
                while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
                    BIO_printf(bio_s_out, "LOOKUP renego during read\n");
                    srp_callback_parm.user =
                        SRP_VBASE_get_by_user(srp_callback_parm.vb,
                                              srp_callback_parm.login);
                    if (srp_callback_parm.user)
                        BIO_printf(bio_s_out, "LOOKUP done %s\n",
                                   srp_callback_parm.user->info);
                    else
                        BIO_printf(bio_s_out, "LOOKUP not successful\n");
                    i = SSL_read(con, (char *)buf, bufsize);
                }
#endif
                switch (SSL_get_error(con, i)) {
                case SSL_ERROR_NONE:
2462
#ifdef CHARSET_EBCDIC
2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501
                    ascii2ebcdic(buf, buf, i);
#endif
                    raw_write_stdout(buf, (unsigned int)i);
                    if (SSL_pending(con))
                        goto again;
                    break;
                case SSL_ERROR_WANT_WRITE:
                case SSL_ERROR_WANT_READ:
                    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:
    if (con != NULL) {
        BIO_printf(bio_s_out, "shutting down SSL\n");
        SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
        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);
}
2502

U
Ulf Möller 已提交
2503
static void close_accept_socket(void)
2504 2505 2506 2507 2508 2509
{
    BIO_printf(bio_err, "shutdown accept socket\n");
    if (accept_socket >= 0) {
        SHUTDOWN2(accept_socket);
    }
}
2510

U
Ulf Möller 已提交
2511
static int init_ssl_connection(SSL *con)
2512 2513 2514 2515 2516
{
    int i;
    const char *str;
    X509 *peer;
    long verify_error;
2517
    char buf[BUFSIZ];
2518
#ifndef OPENSSL_NO_KRB5
2519
    char *client_princ;
2520
#endif
B
Ben Laurie 已提交
2521
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2522 2523
    const unsigned char *next_proto_neg;
    unsigned next_proto_neg_len;
2524
#endif
2525
    unsigned char *exportedkeymat;
2526

2527
    i = SSL_accept(con);
2528
#ifdef CERT_CB_TEST_RETRY
2529 2530 2531 2532 2533 2534 2535 2536
    {
        while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
               && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) {
            fprintf(stderr,
                    "LOOKUP from certificate callback during accept\n");
            i = SSL_accept(con);
        }
    }
2537
#endif
D
Dr. Stephen Henson 已提交
2538
#ifndef OPENSSL_NO_SRP
2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590
    while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
        BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
                   srp_callback_parm.login);
        srp_callback_parm.user =
            SRP_VBASE_get_by_user(srp_callback_parm.vb,
                                  srp_callback_parm.login);
        if (srp_callback_parm.user)
            BIO_printf(bio_s_out, "LOOKUP done %s\n",
                       srp_callback_parm.user->info);
        else
            BIO_printf(bio_s_out, "LOOKUP not successful\n");
        i = SSL_accept(con);
    }
#endif

    if (i <= 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));
        }
        /* Always print any error messages */
        ERR_print_errors(bio_err);
        return (0);
    }

    if (s_brief)
        print_ssl_summary(bio_err, con);

    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));
    ssl_print_sigalgs(bio_s_out, con);
2591
#ifndef OPENSSL_NO_EC
2592 2593
    ssl_print_point_formats(bio_s_out, con);
    ssl_print_curves(bio_s_out, con, 0);
2594
#endif
2595
    BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2596

B
Ben Laurie 已提交
2597
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2598 2599 2600 2601 2602 2603
    SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
    if (next_proto_neg) {
        BIO_printf(bio_s_out, "NEXTPROTO is ");
        BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
        BIO_printf(bio_s_out, "\n");
    }
B
Ben Laurie 已提交
2604
#endif
P
Piotr Sikora 已提交
2605
#ifndef OPENSSL_NO_SRTP
2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619
    {
        SRTP_PROTECTION_PROFILE *srtp_profile
            = SSL_get_selected_srtp_profile(con);

        if (srtp_profile)
            BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
                       srtp_profile->name);
    }
#endif
    if (SSL_cache_hit(con))
        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");
2620
#ifndef OPENSSL_NO_KRB5
2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652
    client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
    if (client_princ != NULL) {
        BIO_printf(bio_s_out, "Kerberos peer principal is %s\n",
                   client_princ);
    }
#endif                          /* OPENSSL_NO_KRB5 */
    BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
               SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
    if (keymatexportlabel != NULL) {
        BIO_printf(bio_s_out, "Keying material exporter:\n");
        BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
        BIO_printf(bio_s_out, "    Length: %i bytes\n", keymatexportlen);
        exportedkeymat = OPENSSL_malloc(keymatexportlen);
        if (exportedkeymat != NULL) {
            if (!SSL_export_keying_material(con, exportedkeymat,
                                            keymatexportlen,
                                            keymatexportlabel,
                                            strlen(keymatexportlabel),
                                            NULL, 0, 0)) {
                BIO_printf(bio_s_out, "    Error\n");
            } else {
                BIO_printf(bio_s_out, "    Keying material: ");
                for (i = 0; i < keymatexportlen; i++)
                    BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
                BIO_printf(bio_s_out, "\n");
            }
            OPENSSL_free(exportedkeymat);
        }
    }

    return (1);
}
2653

2654
#ifndef OPENSSL_NO_DH
N
Nils Larsch 已提交
2655
static DH *load_dh_param(const char *dhfile)
2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667
{
    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);
}
2668
#endif
2669

2670
static int www_body(char *hostname, int s, int stype, unsigned char *context)
2671 2672 2673 2674 2675 2676 2677
{
    char *buf = NULL;
    int ret = 1;
    int i, j, k, dot;
    SSL *con;
    const SSL_CIPHER *c;
    BIO *io, *ssl_bio, *sbio;
2678
#ifndef OPENSSL_NO_KRB5
2679
    KSSL_CTX *kctx;
2680
#endif
2681

2682 2683 2684 2685 2686 2687 2688
    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;
2689

2690 2691 2692
#ifdef FIONBIO
    if (s_nbio) {
        unsigned long sl = 1;
2693

2694 2695 2696 2697 2698
        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);
    }
2699 2700
#endif

2701 2702 2703
    /* lets make the output buffer a reasonable size */
    if (!BIO_set_write_buffer_size(io, bufsize))
        goto err;
2704

2705 2706
    if ((con = SSL_new(ctx)) == NULL)
        goto err;
2707
#ifndef OPENSSL_NO_TLSEXT
2708 2709 2710 2711
    if (s_tlsextdebug) {
        SSL_set_tlsext_debug_callback(con, tlsext_cb);
        SSL_set_tlsext_debug_arg(con, bio_s_out);
    }
2712
#endif
2713
#ifndef OPENSSL_NO_KRB5
2714 2715 2716 2717 2718
    if ((kctx = kssl_ctx_new()) != NULL) {
        kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
        kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
    }
#endif                          /* OPENSSL_NO_KRB5 */
M
Matt Caswell 已提交
2719 2720 2721 2722
    if (context && !SSL_set_session_id_context(con, context,
                                               strlen((char *)context))) {
        goto err;
    }
2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736

    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);
2737
#ifdef CHARSET_EBCDIC
2738
    io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2739
#endif
2740

2741 2742 2743 2744 2745 2746
    if (s_debug) {
        SSL_set_debug(con, 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) {
2747
#ifndef OPENSSL_NO_SSL_TRACE
2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764
        if (s_msg == 2)
            SSL_set_msg_callback(con, SSL_trace);
        else
#endif
            SSL_set_msg_callback(con, msg_cb);
        SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
    }

    for (;;) {
        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");
R
Richard Levitte 已提交
2765
#if defined(OPENSSL_SYS_NETWARE)
2766
                delay(1000);
2767
#elif !defined(OPENSSL_SYS_MSDOS)
2768 2769 2770 2771 2772 2773 2774 2775
                sleep(1);
#endif
                continue;
            }
        } else if (i == 0) {    /* end of input */
            ret = 1;
            goto end;
        }
2776

2777 2778
        /* else we have data */
        if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2779
            ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932
            char *p;
            X509 *peer;
            STACK_OF(SSL_CIPHER) *sk;
            static const char *space = "                          ";

            if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
                if (strncmp("GET /renegcert", buf, 14) == 0)
                    SSL_set_verify(con,
                                   SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
                                   NULL);
                i = SSL_renegotiate(con);
                BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
                i = SSL_do_handshake(con);
                if (i <= 0) {
                    BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
                               SSL_get_error(con, i));
                    ERR_print_errors(bio_err);
                    goto err;
                }
                /* EVIL HACK! */
                SSL_set_state(con, SSL_ST_ACCEPT);
                i = SSL_do_handshake(con);
                BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n", i);
                if (i <= 0) {
                    BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
                               SSL_get_error(con, i));
                    ERR_print_errors(bio_err);
                    goto err;
                }
            }

            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");

            BIO_printf(io,
                       "Secure Renegotiation IS%s supported\n",
                       SSL_get_secure_renegotiation_support(con) ?
                       "" : " NOT");

            /*
             * 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");
            }
            ssl_print_sigalgs(io, con);
#ifndef OPENSSL_NO_EC
            ssl_print_curves(io, con, 0);
#endif
            BIO_printf(io, (SSL_cache_hit(con)
                            ? "---\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;
            }
2933

2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966
            /* if a directory, do the index thang */
            if (app_isdir(p) > 0) {
                BIO_puts(io, text);
                BIO_printf(io, "'%s' is a directory\r\n", p);
                break;
            }

            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 */
            for (;;) {
                i = BIO_read(file, buf, bufsize);
                if (i <= 0)
                    break;
2967

2968
#ifdef RENEG
2969 2970 2971 2972 2973 2974 2975 2976 2977 2978
                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;) {
2979
#ifdef RENEG
2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015
                    {
                        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:
    /* make sure we re-use sessions */
    SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3016

3017
 err:
3018

3019 3020
    if (ret >= 0)
        BIO_printf(bio_s_out, "ACCEPT\n");
3021

3022 3023 3024 3025 3026 3027 3028
    if (buf != NULL)
        OPENSSL_free(buf);
    if (io != NULL)
        BIO_free_all(io);
/*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
    return (ret);
}
3029

3030
static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3031 3032 3033 3034 3035 3036
{
    char *buf = NULL;
    int i;
    int ret = 1;
    SSL *con;
    BIO *io, *ssl_bio, *sbio;
3037
#ifndef OPENSSL_NO_KRB5
3038
    KSSL_CTX *kctx;
3039 3040
#endif

3041 3042 3043 3044 3045 3046 3047
    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;
3048

3049 3050 3051
    /* lets make the output buffer a reasonable size */
    if (!BIO_set_write_buffer_size(io, bufsize))
        goto err;
3052

3053 3054
    if ((con = SSL_new(ctx)) == NULL)
        goto err;
3055
#ifndef OPENSSL_NO_TLSEXT
3056 3057 3058 3059
    if (s_tlsextdebug) {
        SSL_set_tlsext_debug_callback(con, tlsext_cb);
        SSL_set_tlsext_debug_arg(con, bio_s_out);
    }
3060 3061
#endif
#ifndef OPENSSL_NO_KRB5
3062 3063 3064 3065 3066
    if ((kctx = kssl_ctx_new()) != NULL) {
        kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
        kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
    }
#endif                          /* OPENSSL_NO_KRB5 */
M
Matt Caswell 已提交
3067 3068 3069 3070 3071
    if (context && !SSL_set_session_id_context(con, context,
                                               strlen((char *)context))) {
        ERR_print_errors(bio_err);
        goto err;
    }
3072 3073 3074 3075 3076 3077 3078

    sbio = BIO_new_socket(s, BIO_NOCLOSE);
    SSL_set_bio(con, sbio, sbio);
    SSL_set_accept_state(con);

    BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
    BIO_push(io, ssl_bio);
3079
#ifdef CHARSET_EBCDIC
3080
    io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3081 3082
#endif

3083 3084 3085 3086 3087 3088
    if (s_debug) {
        SSL_set_debug(con, 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) {
3089
#ifndef OPENSSL_NO_SSL_TRACE
3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119
        if (s_msg == 2)
            SSL_set_msg_callback(con, SSL_trace);
        else
#endif
            SSL_set_msg_callback(con, msg_cb);
        SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
    }

    for (;;) {
        i = BIO_do_handshake(io);
        if (i > 0)
            break;
        if (!BIO_should_retry(io)) {
            BIO_puts(bio_err, "CONNECTION FAILURE\n");
            ERR_print_errors(bio_err);
            goto end;
        }
    }
    BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
    print_ssl_summary(bio_err, con);

    for (;;) {
        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");
3120
#if defined(OPENSSL_SYS_NETWARE)
3121
                delay(1000);
3122
#elif !defined(OPENSSL_SYS_MSDOS)
3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165
                sleep(1);
#endif
                continue;
            }
        } else if (i == 0) {    /* end of input */
            ret = 1;
            BIO_printf(bio_err, "CONNECTION CLOSED\n");
            goto end;
        } else {
            char *p = buf + i - 1;
            while (i && (*p == '\n' || *p == '\r')) {
                p--;
                i--;
            }
            if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5)) {
                ret = 1;
                BIO_printf(bio_err, "CONNECTION CLOSED\n");
                goto end;
            }
            BUF_reverse((unsigned char *)buf, NULL, i);
            buf[i] = '\n';
            BIO_write(io, buf, i + 1);
            for (;;) {
                i = BIO_flush(io);
                if (i > 0)
                    break;
                if (!BIO_should_retry(io))
                    goto end;
            }
        }
    }
 end:
    /* make sure we re-use sessions */
    SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);

 err:

    if (buf != NULL)
        OPENSSL_free(buf);
    if (io != NULL)
        BIO_free_all(io);
    return (ret);
}
3166

3167
#ifndef OPENSSL_NO_RSA
R
Rich Salz 已提交
3168
static RSA *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194
{
    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);
}
3195
#endif
3196 3197 3198

#define MAX_SESSION_ID_ATTEMPTS 10
static int generate_session_id(const SSL *ssl, unsigned char *id,
3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223
                               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;
}

/*
 * By default s_server uses an in-memory cache which caches SSL_SESSION
3224 3225 3226 3227 3228
 * structures without any serialisation. This hides some bugs which only
 * become apparent in deployed servers. By implementing a basic external
 * session cache some issues can be debugged using s_server.
 */

3229 3230 3231 3232 3233 3234 3235
typedef struct simple_ssl_session_st {
    unsigned char *id;
    unsigned int idlen;
    unsigned char *der;
    int derlen;
    struct simple_ssl_session_st *next;
} simple_ssl_session;
3236 3237 3238 3239

static simple_ssl_session *first = NULL;

static int add_session(SSL *ssl, SSL_SESSION *session)
3240 3241 3242
{
    simple_ssl_session *sess;
    unsigned char *p;
3243

3244
    sess = OPENSSL_malloc(sizeof(simple_ssl_session));
M
Matt Caswell 已提交
3245 3246 3247 3248
    if(!sess) {
        BIO_printf(bio_err, "Out of memory adding session to external cache\n");
        return 0;
    }
3249

3250 3251
    SSL_SESSION_get_id(session, &sess->idlen);
    sess->derlen = i2d_SSL_SESSION(session, NULL);
3252

3253
    sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3254

3255
    sess->der = OPENSSL_malloc(sess->derlen);
M
Matt Caswell 已提交
3256 3257 3258 3259 3260 3261 3262 3263 3264 3265
    if(!sess->id || !sess->der) {
        BIO_printf(bio_err, "Out of memory adding session to external cache\n");

        if(sess->id)
            OPENSSL_free(sess->id);
        if(sess->der)
            OPENSSL_free(sess->der);
        OPENSSL_free(sess);
        return 0;
    }
3266
    p = sess->der;
M
Matt Caswell 已提交
3267 3268 3269 3270
    if(i2d_SSL_SESSION(session, &p) < 0) {
        BIO_printf(bio_err, "Error encoding session\n");
        return 0;
    }
3271

3272 3273 3274 3275 3276
    sess->next = first;
    first = sess;
    BIO_printf(bio_err, "New session added to external cache\n");
    return 0;
}
3277 3278

static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292
                                int *do_copy)
{
    simple_ssl_session *sess;
    *do_copy = 0;
    for (sess = first; sess; sess = sess->next) {
        if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
            const unsigned char *p = sess->der;
            BIO_printf(bio_err, "Lookup session: cache hit\n");
            return d2i_SSL_SESSION(NULL, &p, sess->derlen);
        }
    }
    BIO_printf(bio_err, "Lookup session: cache miss\n");
    return NULL;
}
3293 3294

static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313
{
    simple_ssl_session *sess, *prev = NULL;
    const unsigned char *id;
    unsigned int idlen;
    id = SSL_SESSION_get_id(session, &idlen);
    for (sess = first; sess; sess = sess->next) {
        if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
            if (prev)
                prev->next = sess->next;
            else
                first = sess->next;
            OPENSSL_free(sess->id);
            OPENSSL_free(sess->der);
            OPENSSL_free(sess);
            return;
        }
        prev = sess;
    }
}
3314 3315

static void init_session_cache_ctx(SSL_CTX *sctx)
3316 3317 3318 3319 3320 3321 3322 3323
{
    SSL_CTX_set_session_cache_mode(sctx,
                                   SSL_SESS_CACHE_NO_INTERNAL |
                                   SSL_SESS_CACHE_SERVER);
    SSL_CTX_sess_set_new_cb(sctx, add_session);
    SSL_CTX_sess_set_get_cb(sctx, get_session);
    SSL_CTX_sess_set_remove_cb(sctx, del_session);
}
3324 3325

static void free_sessions(void)
3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336
{
    simple_ssl_session *sess, *tsess;
    for (sess = first; sess;) {
        OPENSSL_free(sess->id);
        OPENSSL_free(sess->der);
        tsess = sess;
        sess = sess->next;
        OPENSSL_free(tsess);
    }
    first = NULL;
}