Deleting OpenSSL module and library

1 files changed, 0 insertions, 1167 deletions

diff --git a/thirdparty/openssl/ssl/s2_srvr.c b/thirdparty/openssl/ssl/s2_srvr.c
deleted file mode 100644
index d3b243c27e..0000000000
--- a/thirdparty/openssl/ssl/s2_srvr.c
+++ /dev/null
@@ -1,1167 +0,0 @@
-/* ssl/s2_srvr.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-/* ====================================================================
- * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#include "ssl_locl.h"
-#ifndef OPENSSL_NO_SSL2
-#include "../crypto/constant_time_locl.h"
-# include <stdio.h>
-# include <openssl/bio.h>
-# include <openssl/rand.h>
-# include <openssl/objects.h>
-# include <openssl/evp.h>
-
-static const SSL_METHOD *ssl2_get_server_method(int ver);
-static int get_client_master_key(SSL *s);
-static int get_client_hello(SSL *s);
-static int server_hello(SSL *s);
-static int get_client_finished(SSL *s);
-static int server_verify(SSL *s);
-static int server_finish(SSL *s);
-static int request_certificate(SSL *s);
-static int ssl_rsa_private_decrypt(CERT *c, int len, unsigned char *from,
-                                   unsigned char *to, int padding);
-# define BREAK   break
-
-static const SSL_METHOD *ssl2_get_server_method(int ver)
-{
-    if (ver == SSL2_VERSION)
-        return (SSLv2_server_method());
-    else
-        return (NULL);
-}
-
-IMPLEMENT_ssl2_meth_func(SSLv2_server_method,
-                         ssl2_accept,
-                         ssl_undefined_function, ssl2_get_server_method)
-
-int ssl2_accept(SSL *s)
-{
-    unsigned long l = (unsigned long)time(NULL);
-    BUF_MEM *buf = NULL;
-    int ret = -1;
-    long num1;
-    void (*cb) (const SSL *ssl, int type, int val) = NULL;
-    int new_state, state;
-
-    RAND_add(&l, sizeof(l), 0);
-    ERR_clear_error();
-    clear_sys_error();
-
-    if (s->info_callback != NULL)
-        cb = s->info_callback;
-    else if (s->ctx->info_callback != NULL)
-        cb = s->ctx->info_callback;
-
-    /* init things to blank */
-    s->in_handshake++;
-    if (!SSL_in_init(s) || SSL_in_before(s))
-        SSL_clear(s);
-
-    if (s->cert == NULL) {
-        SSLerr(SSL_F_SSL2_ACCEPT, SSL_R_NO_CERTIFICATE_SET);
-        return (-1);
-    }
-
-    clear_sys_error();
-    for (;;) {
-        state = s->state;
-
-        switch (s->state) {
-        case SSL_ST_BEFORE:
-        case SSL_ST_ACCEPT:
-        case SSL_ST_BEFORE | SSL_ST_ACCEPT:
-        case SSL_ST_OK | SSL_ST_ACCEPT:
-
-            s->server = 1;
-            if (cb != NULL)
-                cb(s, SSL_CB_HANDSHAKE_START, 1);
-
-            s->version = SSL2_VERSION;
-            s->type = SSL_ST_ACCEPT;
-
-            if (s->init_buf == NULL) {
-                if ((buf = BUF_MEM_new()) == NULL) {
-                    ret = -1;
-                    goto end;
-                }
-                if (!BUF_MEM_grow
-                    (buf, (int)SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER)) {
-                    BUF_MEM_free(buf);
-                    ret = -1;
-                    goto end;
-                }
-                s->init_buf = buf;
-            }
-            s->init_num = 0;
-            s->ctx->stats.sess_accept++;
-            s->handshake_func = ssl2_accept;
-            s->state = SSL2_ST_GET_CLIENT_HELLO_A;
-            BREAK;
-
-        case SSL2_ST_GET_CLIENT_HELLO_A:
-        case SSL2_ST_GET_CLIENT_HELLO_B:
-        case SSL2_ST_GET_CLIENT_HELLO_C:
-            s->shutdown = 0;
-            ret = get_client_hello(s);
-            if (ret <= 0)
-                goto end;
-            s->init_num = 0;
-            s->state = SSL2_ST_SEND_SERVER_HELLO_A;
-            BREAK;
-
-        case SSL2_ST_SEND_SERVER_HELLO_A:
-        case SSL2_ST_SEND_SERVER_HELLO_B:
-            ret = server_hello(s);
-            if (ret <= 0)
-                goto end;
-            s->init_num = 0;
-            if (!s->hit) {
-                s->state = SSL2_ST_GET_CLIENT_MASTER_KEY_A;
-                BREAK;
-            } else {
-                s->state = SSL2_ST_SERVER_START_ENCRYPTION;
-                BREAK;
-            }
-        case SSL2_ST_GET_CLIENT_MASTER_KEY_A:
-        case SSL2_ST_GET_CLIENT_MASTER_KEY_B:
-            ret = get_client_master_key(s);
-            if (ret <= 0)
-                goto end;
-            s->init_num = 0;
-            s->state = SSL2_ST_SERVER_START_ENCRYPTION;
-            BREAK;
-
-        case SSL2_ST_SERVER_START_ENCRYPTION:
-            /*
-             * Ok we how have sent all the stuff needed to start encrypting,
-             * the next packet back will be encrypted.
-             */
-            if (!ssl2_enc_init(s, 0)) {
-                ret = -1;
-                goto end;
-            }
-            s->s2->clear_text = 0;
-            s->state = SSL2_ST_SEND_SERVER_VERIFY_A;
-            BREAK;
-
-        case SSL2_ST_SEND_SERVER_VERIFY_A:
-        case SSL2_ST_SEND_SERVER_VERIFY_B:
-            ret = server_verify(s);
-            if (ret <= 0)
-                goto end;
-            s->init_num = 0;
-            if (s->hit) {
-                /*
-                 * If we are in here, we have been buffering the output, so
-                 * we need to flush it and remove buffering from future
-                 * traffic
-                 */
-                s->state = SSL2_ST_SEND_SERVER_VERIFY_C;
-                BREAK;
-            } else {
-                s->state = SSL2_ST_GET_CLIENT_FINISHED_A;
-                break;
-            }
-
-        case SSL2_ST_SEND_SERVER_VERIFY_C:
-            /* get the number of bytes to write */
-            num1 = BIO_ctrl(s->wbio, BIO_CTRL_INFO, 0, NULL);
-            if (num1 > 0) {
-                s->rwstate = SSL_WRITING;
-                num1 = BIO_flush(s->wbio);
-                if (num1 <= 0) {
-                    ret = -1;
-                    goto end;
-                }
-                s->rwstate = SSL_NOTHING;
-            }
-
-            /* flushed and now remove buffering */
-            s->wbio = BIO_pop(s->wbio);
-
-            s->state = SSL2_ST_GET_CLIENT_FINISHED_A;
-            BREAK;
-
-        case SSL2_ST_GET_CLIENT_FINISHED_A:
-        case SSL2_ST_GET_CLIENT_FINISHED_B:
-            ret = get_client_finished(s);
-            if (ret <= 0)
-                goto end;
-            s->init_num = 0;
-            s->state = SSL2_ST_SEND_REQUEST_CERTIFICATE_A;
-            BREAK;
-
-        case SSL2_ST_SEND_REQUEST_CERTIFICATE_A:
-        case SSL2_ST_SEND_REQUEST_CERTIFICATE_B:
-        case SSL2_ST_SEND_REQUEST_CERTIFICATE_C:
-        case SSL2_ST_SEND_REQUEST_CERTIFICATE_D:
-            /*
-             * don't do a 'request certificate' if we don't want to, or we
-             * already have one, and we only want to do it once.
-             */
-            if (!(s->verify_mode & SSL_VERIFY_PEER) ||
-                ((s->session->peer != NULL) &&
-                 (s->verify_mode & SSL_VERIFY_CLIENT_ONCE))) {
-                s->state = SSL2_ST_SEND_SERVER_FINISHED_A;
-                break;
-            } else {
-                ret = request_certificate(s);
-                if (ret <= 0)
-                    goto end;
-                s->init_num = 0;
-                s->state = SSL2_ST_SEND_SERVER_FINISHED_A;
-            }
-            BREAK;
-
-        case SSL2_ST_SEND_SERVER_FINISHED_A:
-        case SSL2_ST_SEND_SERVER_FINISHED_B:
-            ret = server_finish(s);
-            if (ret <= 0)
-                goto end;
-            s->init_num = 0;
-            s->state = SSL_ST_OK;
-            break;
-
-        case SSL_ST_OK:
-            BUF_MEM_free(s->init_buf);
-            ssl_free_wbio_buffer(s);
-            s->init_buf = NULL;
-            s->init_num = 0;
-            /*      ERR_clear_error(); */
-
-            ssl_update_cache(s, SSL_SESS_CACHE_SERVER);
-
-            s->ctx->stats.sess_accept_good++;
-            /* s->server=1; */
-            ret = 1;
-
-            if (cb != NULL)
-                cb(s, SSL_CB_HANDSHAKE_DONE, 1);
-
-            goto end;
-            /* BREAK; */
-
-        default:
-            SSLerr(SSL_F_SSL2_ACCEPT, SSL_R_UNKNOWN_STATE);
-            ret = -1;
-            goto end;
-            /* BREAK; */
-        }
-
-        if ((cb != NULL) && (s->state != state)) {
-            new_state = s->state;
-            s->state = state;
-            cb(s, SSL_CB_ACCEPT_LOOP, 1);
-            s->state = new_state;
-        }
-    }
- end:
-    s->in_handshake--;
-    if (cb != NULL)
-        cb(s, SSL_CB_ACCEPT_EXIT, ret);
-    return (ret);
-}
-
-static int get_client_master_key(SSL *s)
-{
-    int is_export, i, n, keya;
-    unsigned int num_encrypted_key_bytes, key_length;
-    unsigned long len;
-    unsigned char *p;
-    const SSL_CIPHER *cp;
-    const EVP_CIPHER *c;
-    const EVP_MD *md;
-    unsigned char rand_premaster_secret[SSL_MAX_MASTER_KEY_LENGTH];
-    unsigned char decrypt_good;
-    size_t j;
-
-    p = (unsigned char *)s->init_buf->data;
-    if (s->state == SSL2_ST_GET_CLIENT_MASTER_KEY_A) {
-        i = ssl2_read(s, (char *)&(p[s->init_num]), 10 - s->init_num);
-
-        if (i < (10 - s->init_num))
-            return (ssl2_part_read(s, SSL_F_GET_CLIENT_MASTER_KEY, i));
-        s->init_num = 10;
-
-        if (*(p++) != SSL2_MT_CLIENT_MASTER_KEY) {
-            if (p[-1] != SSL2_MT_ERROR) {
-                ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-                SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,
-                       SSL_R_READ_WRONG_PACKET_TYPE);
-            } else
-                SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_PEER_ERROR);
-            return (-1);
-        }
-
-        cp = ssl2_get_cipher_by_char(p);
-        if (cp == NULL || sk_SSL_CIPHER_find(s->session->ciphers, cp) < 0) {
-            ssl2_return_error(s, SSL2_PE_NO_CIPHER);
-            SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_NO_CIPHER_MATCH);
-            return (-1);
-        }
-        s->session->cipher = cp;
-
-        p += 3;
-        n2s(p, i);
-        s->s2->tmp.clear = i;
-        n2s(p, i);
-        s->s2->tmp.enc = i;
-        n2s(p, i);
-        if (i > SSL_MAX_KEY_ARG_LENGTH) {
-            ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-            SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_KEY_ARG_TOO_LONG);
-            return -1;
-        }
-        s->session->key_arg_length = i;
-        s->state = SSL2_ST_GET_CLIENT_MASTER_KEY_B;
-    }
-
-    /* SSL2_ST_GET_CLIENT_MASTER_KEY_B */
-    p = (unsigned char *)s->init_buf->data;
-    if (s->init_buf->length < SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER) {
-        ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, ERR_R_INTERNAL_ERROR);
-        return -1;
-    }
-    keya = s->session->key_arg_length;
-    len =
-        10 + (unsigned long)s->s2->tmp.clear + (unsigned long)s->s2->tmp.enc +
-        (unsigned long)keya;
-    if (len > SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER) {
-        ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_MESSAGE_TOO_LONG);
-        return -1;
-    }
-    n = (int)len - s->init_num;
-    i = ssl2_read(s, (char *)&(p[s->init_num]), n);
-    if (i != n)
-        return (ssl2_part_read(s, SSL_F_GET_CLIENT_MASTER_KEY, i));
-    if (s->msg_callback) {
-        /* CLIENT-MASTER-KEY */
-        s->msg_callback(0, s->version, 0, p, (size_t)len, s,
-                        s->msg_callback_arg);
-    }
-    p += 10;
-
-    memcpy(s->session->key_arg, &(p[s->s2->tmp.clear + s->s2->tmp.enc]),
-           (unsigned int)keya);
-
-    if (s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) {
-        ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_NO_PRIVATEKEY);
-        return (-1);
-    }
-
-    is_export = SSL_C_IS_EXPORT(s->session->cipher);
-
-    if (!ssl_cipher_get_evp(s->session, &c, &md, NULL, NULL, NULL)) {
-        ssl2_return_error(s, SSL2_PE_NO_CIPHER);
-        SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,
-               SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS);
-        return (0);
-    }
-
-    /*
-     * The format of the CLIENT-MASTER-KEY message is
-     * 1 byte message type
-     * 3 bytes cipher
-     * 2-byte clear key length (stored in s->s2->tmp.clear)
-     * 2-byte encrypted key length (stored in s->s2->tmp.enc)
-     * 2-byte key args length (IV etc)
-     * clear key
-     * encrypted key
-     * key args
-     *
-     * If the cipher is an export cipher, then the encrypted key bytes
-     * are a fixed portion of the total key (5 or 8 bytes). The size of
-     * this portion is in |num_encrypted_key_bytes|. If the cipher is not an
-     * export cipher, then the entire key material is encrypted (i.e., clear
-     * key length must be zero).
-     */
-    key_length = (unsigned int)EVP_CIPHER_key_length(c);
-    if (key_length > SSL_MAX_MASTER_KEY_LENGTH) {
-        ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, ERR_R_INTERNAL_ERROR);
-        return -1;
-    }
-
-    if (s->session->cipher->algorithm2 & SSL2_CF_8_BYTE_ENC) {
-        is_export = 1;
-        num_encrypted_key_bytes = 8;
-    } else if (is_export) {
-        num_encrypted_key_bytes = 5;
-    } else {
-        num_encrypted_key_bytes = key_length;
-    }
-
-    if (s->s2->tmp.clear + num_encrypted_key_bytes != key_length) {
-        ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,SSL_R_BAD_LENGTH);
-        return -1;
-    }
-    /*
-     * The encrypted blob must decrypt to the encrypted portion of the key.
-     * Decryption can't be expanding, so if we don't have enough encrypted
-     * bytes to fit the key in the buffer, stop now.
-     */
-    if (s->s2->tmp.enc < num_encrypted_key_bytes) {
-        ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,SSL_R_LENGTH_TOO_SHORT);
-        return -1;
-    }
-
-    /*
-     * We must not leak whether a decryption failure occurs because of
-     * Bleichenbacher's attack on PKCS #1 v1.5 RSA padding (see RFC 2246,
-     * section 7.4.7.1). The code follows that advice of the TLS RFC and
-     * generates a random premaster secret for the case that the decrypt
-     * fails. See https://tools.ietf.org/html/rfc5246#section-7.4.7.1
-     */
-
-    if (RAND_bytes(rand_premaster_secret,
-                  (int)num_encrypted_key_bytes) <= 0)
-        return 0;
-
-    i = ssl_rsa_private_decrypt(s->cert, s->s2->tmp.enc,
-                                &(p[s->s2->tmp.clear]),
-                                &(p[s->s2->tmp.clear]),
-                                (s->s2->ssl2_rollback) ? RSA_SSLV23_PADDING :
-                                RSA_PKCS1_PADDING);
-    ERR_clear_error();
-    /*
-     * If a bad decrypt, continue with protocol but with a random master
-     * secret (Bleichenbacher attack)
-     */
-    decrypt_good = constant_time_eq_int_8(i, (int)num_encrypted_key_bytes);
-    for (j = 0; j < num_encrypted_key_bytes; j++) {
-        p[s->s2->tmp.clear + j] =
-                constant_time_select_8(decrypt_good, p[s->s2->tmp.clear + j],
-                                       rand_premaster_secret[j]);
-    }
-
-    s->session->master_key_length = (int)key_length;
-    memcpy(s->session->master_key, p, key_length);
-    OPENSSL_cleanse(p, key_length);
-
-    return 1;
-}
-
-static int get_client_hello(SSL *s)
-{
-    int i, n;
-    unsigned long len;
-    unsigned char *p;
-    STACK_OF(SSL_CIPHER) *cs;   /* a stack of SSL_CIPHERS */
-    STACK_OF(SSL_CIPHER) *cl;   /* the ones we want to use */
-    STACK_OF(SSL_CIPHER) *prio, *allow;
-    int z;
-
-    /*
-     * This is a bit of a hack to check for the correct packet type the first
-     * time round.
-     */
-    if (s->state == SSL2_ST_GET_CLIENT_HELLO_A) {
-        s->first_packet = 1;
-        s->state = SSL2_ST_GET_CLIENT_HELLO_B;
-    }
-
-    p = (unsigned char *)s->init_buf->data;
-    if (s->state == SSL2_ST_GET_CLIENT_HELLO_B) {
-        i = ssl2_read(s, (char *)&(p[s->init_num]), 9 - s->init_num);
-        if (i < (9 - s->init_num))
-            return (ssl2_part_read(s, SSL_F_GET_CLIENT_HELLO, i));
-        s->init_num = 9;
-
-        if (*(p++) != SSL2_MT_CLIENT_HELLO) {
-            if (p[-1] != SSL2_MT_ERROR) {
-                ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-                SSLerr(SSL_F_GET_CLIENT_HELLO, SSL_R_READ_WRONG_PACKET_TYPE);
-            } else
-                SSLerr(SSL_F_GET_CLIENT_HELLO, SSL_R_PEER_ERROR);
-            return (-1);
-        }
-        n2s(p, i);
-        if (i < s->version)
-            s->version = i;
-        n2s(p, i);
-        s->s2->tmp.cipher_spec_length = i;
-        n2s(p, i);
-        s->s2->tmp.session_id_length = i;
-        if ((i < 0) || (i > SSL_MAX_SSL_SESSION_ID_LENGTH)) {
-            ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-            SSLerr(SSL_F_GET_CLIENT_HELLO, SSL_R_LENGTH_MISMATCH);
-            return -1;
-        }
-        n2s(p, i);
-        s->s2->challenge_length = i;
-        if ((i < SSL2_MIN_CHALLENGE_LENGTH) ||
-            (i > SSL2_MAX_CHALLENGE_LENGTH)) {
-            ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-            SSLerr(SSL_F_GET_CLIENT_HELLO, SSL_R_INVALID_CHALLENGE_LENGTH);
-            return (-1);
-        }
-        s->state = SSL2_ST_GET_CLIENT_HELLO_C;
-    }
-
-    /* SSL2_ST_GET_CLIENT_HELLO_C */
-    p = (unsigned char *)s->init_buf->data;
-    len =
-        9 + (unsigned long)s->s2->tmp.cipher_spec_length +
-        (unsigned long)s->s2->challenge_length +
-        (unsigned long)s->s2->tmp.session_id_length;
-    if (len > SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER) {
-        ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_HELLO, SSL_R_MESSAGE_TOO_LONG);
-        return -1;
-    }
-    n = (int)len - s->init_num;
-    i = ssl2_read(s, (char *)&(p[s->init_num]), n);
-    if (i != n)
-        return (ssl2_part_read(s, SSL_F_GET_CLIENT_HELLO, i));
-    if (s->msg_callback) {
-        /* CLIENT-HELLO */
-        s->msg_callback(0, s->version, 0, p, (size_t)len, s,
-                        s->msg_callback_arg);
-    }
-    p += 9;
-
-    /*
-     * get session-id before cipher stuff so we can get out session structure
-     * if it is cached
-     */
-    /* session-id */
-    if ((s->s2->tmp.session_id_length != 0) &&
-        (s->s2->tmp.session_id_length != SSL2_SSL_SESSION_ID_LENGTH)) {
-        ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_HELLO, SSL_R_BAD_SSL_SESSION_ID_LENGTH);
-        return (-1);
-    }
-
-    if (s->s2->tmp.session_id_length == 0) {
-        if (!ssl_get_new_session(s, 1)) {
-            ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-            return (-1);
-        }
-    } else {
-        i = ssl_get_prev_session(s, &(p[s->s2->tmp.cipher_spec_length]),
-                                 s->s2->tmp.session_id_length, NULL);
-        if (i == 1) {           /* previous session */
-            s->hit = 1;
-        } else if (i == -1) {
-            ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-            return (-1);
-        } else {
-            if (s->cert == NULL) {
-                ssl2_return_error(s, SSL2_PE_NO_CERTIFICATE);
-                SSLerr(SSL_F_GET_CLIENT_HELLO, SSL_R_NO_CERTIFICATE_SET);
-                return (-1);
-            }
-
-            if (!ssl_get_new_session(s, 1)) {
-                ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-                return (-1);
-            }
-        }
-    }
-
-    if (!s->hit) {
-        cs = ssl_bytes_to_cipher_list(s, p, s->s2->tmp.cipher_spec_length,
-                                      &s->session->ciphers);
-        if (cs == NULL)
-            goto mem_err;
-
-        cl = SSL_get_ciphers(s);
-
-        if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE) {
-            prio = sk_SSL_CIPHER_dup(cl);
-            if (prio == NULL)
-                goto mem_err;
-            allow = cs;
-        } else {
-            prio = cs;
-            allow = cl;
-        }
-
-        /* Generate list of SSLv2 ciphers shared between client and server */
-        for (z = 0; z < sk_SSL_CIPHER_num(prio); z++) {
-            const SSL_CIPHER *cp = sk_SSL_CIPHER_value(prio, z);
-            if ((cp->algorithm_ssl & SSL_SSLV2) == 0 ||
-                sk_SSL_CIPHER_find(allow, cp) < 0) {
-                (void)sk_SSL_CIPHER_delete(prio, z);
-                z--;
-            }
-        }
-        if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE) {
-            sk_SSL_CIPHER_free(s->session->ciphers);
-            s->session->ciphers = prio;
-        }
-
-        /* Make sure we have at least one cipher in common */
-        if (sk_SSL_CIPHER_num(s->session->ciphers) == 0) {
-            ssl2_return_error(s, SSL2_PE_NO_CIPHER);
-            SSLerr(SSL_F_GET_CLIENT_HELLO, SSL_R_NO_CIPHER_MATCH);
-            return -1;
-        }
-        /*
-         * s->session->ciphers should now have a list of ciphers that are on
-         * both the client and server. This list is ordered by the order the
-         * client sent the ciphers or in the order of the server's preference
-         * if SSL_OP_CIPHER_SERVER_PREFERENCE was set.
-         */
-    }
-    p += s->s2->tmp.cipher_spec_length;
-    /* done cipher selection */
-
-    /* session id extracted already */
-    p += s->s2->tmp.session_id_length;
-
-    /* challenge */
-    if (s->s2->challenge_length > sizeof s->s2->challenge) {
-        ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);
-        return -1;
-    }
-    memcpy(s->s2->challenge, p, (unsigned int)s->s2->challenge_length);
-    return (1);
- mem_err:
-    SSLerr(SSL_F_GET_CLIENT_HELLO, ERR_R_MALLOC_FAILURE);
-    return (0);
-}
-
-static int server_hello(SSL *s)
-{
-    unsigned char *p, *d;
-    int n, hit;
-
-    p = (unsigned char *)s->init_buf->data;
-    if (s->state == SSL2_ST_SEND_SERVER_HELLO_A) {
-        d = p + 11;
-        *(p++) = SSL2_MT_SERVER_HELLO; /* type */
-        hit = s->hit;
-        *(p++) = (unsigned char)hit;
-# if 1
-        if (!hit) {
-            if (s->session->sess_cert != NULL)
-                /*
-                 * This can't really happen because get_client_hello has
-                 * called ssl_get_new_session, which does not set sess_cert.
-                 */
-                ssl_sess_cert_free(s->session->sess_cert);
-            s->session->sess_cert = ssl_sess_cert_new();
-            if (s->session->sess_cert == NULL) {
-                SSLerr(SSL_F_SERVER_HELLO, ERR_R_MALLOC_FAILURE);
-                return (-1);
-            }
-        }
-        /*
-         * If 'hit' is set, then s->sess_cert may be non-NULL or NULL,
-         * depending on whether it survived in the internal cache or was
-         * retrieved from an external cache. If it is NULL, we cannot put any
-         * useful data in it anyway, so we don't touch it.
-         */
-
-# else                          /* That's what used to be done when cert_st
-                                 * and sess_cert_st were * the same. */
-        if (!hit) {             /* else add cert to session */
-            CRYPTO_add(&s->cert->references, 1, CRYPTO_LOCK_SSL_CERT);
-            if (s->session->sess_cert != NULL)
-                ssl_cert_free(s->session->sess_cert);
-            s->session->sess_cert = s->cert;
-        } else {                /* We have a session id-cache hit, if the *
-                                 * session-id has no certificate listed
-                                 * against * the 'cert' structure, grab the
-                                 * 'old' one * listed against the SSL
-                                 * connection */
-            if (s->session->sess_cert == NULL) {
-                CRYPTO_add(&s->cert->references, 1, CRYPTO_LOCK_SSL_CERT);
-                s->session->sess_cert = s->cert;
-            }
-        }
-# endif
-
-        if (s->cert == NULL) {
-            ssl2_return_error(s, SSL2_PE_NO_CERTIFICATE);
-            SSLerr(SSL_F_SERVER_HELLO, SSL_R_NO_CERTIFICATE_SPECIFIED);
-            return (-1);
-        }
-
-        if (hit) {
-            *(p++) = 0;         /* no certificate type */
-            s2n(s->version, p); /* version */
-            s2n(0, p);          /* cert len */
-            s2n(0, p);          /* ciphers len */
-        } else {
-            /* EAY EAY */
-            /* put certificate type */
-            *(p++) = SSL2_CT_X509_CERTIFICATE;
-            s2n(s->version, p); /* version */
-            n = i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509, NULL);
-            s2n(n, p);          /* certificate length */
-            i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509, &d);
-            n = 0;
-
-            /*
-             * lets send out the ciphers we like in the prefered order
-             */
-            n = ssl_cipher_list_to_bytes(s, s->session->ciphers, d, 0);
-            d += n;
-            s2n(n, p);          /* add cipher length */
-        }
-
-        /* make and send conn_id */
-        s2n(SSL2_CONNECTION_ID_LENGTH, p); /* add conn_id length */
-        s->s2->conn_id_length = SSL2_CONNECTION_ID_LENGTH;
-        if (RAND_bytes(s->s2->conn_id, (int)s->s2->conn_id_length) <= 0)
-            return -1;
-        memcpy(d, s->s2->conn_id, SSL2_CONNECTION_ID_LENGTH);
-        d += SSL2_CONNECTION_ID_LENGTH;
-
-        s->state = SSL2_ST_SEND_SERVER_HELLO_B;
-        s->init_num = d - (unsigned char *)s->init_buf->data;
-        s->init_off = 0;
-    }
-    /* SSL2_ST_SEND_SERVER_HELLO_B */
-    /*
-     * If we are using TCP/IP, the performance is bad if we do 2 writes
-     * without a read between them.  This occurs when Session-id reuse is
-     * used, so I will put in a buffering module
-     */
-    if (s->hit) {
-        if (!ssl_init_wbio_buffer(s, 1))
-            return (-1);
-    }
-
-    return (ssl2_do_write(s));
-}
-
-static int get_client_finished(SSL *s)
-{
-    unsigned char *p;
-    int i, n;
-    unsigned long len;
-
-    p = (unsigned char *)s->init_buf->data;
-    if (s->state == SSL2_ST_GET_CLIENT_FINISHED_A) {
-        i = ssl2_read(s, (char *)&(p[s->init_num]), 1 - s->init_num);
-        if (i < 1 - s->init_num)
-            return (ssl2_part_read(s, SSL_F_GET_CLIENT_FINISHED, i));
-        s->init_num += i;
-
-        if (*p != SSL2_MT_CLIENT_FINISHED) {
-            if (*p != SSL2_MT_ERROR) {
-                ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-                SSLerr(SSL_F_GET_CLIENT_FINISHED,
-                       SSL_R_READ_WRONG_PACKET_TYPE);
-            } else {
-                SSLerr(SSL_F_GET_CLIENT_FINISHED, SSL_R_PEER_ERROR);
-                /* try to read the error message */
-                i = ssl2_read(s, (char *)&(p[s->init_num]), 3 - s->init_num);
-                return ssl2_part_read(s, SSL_F_GET_SERVER_VERIFY, i);
-            }
-            return (-1);
-        }
-        s->state = SSL2_ST_GET_CLIENT_FINISHED_B;
-    }
-
-    /* SSL2_ST_GET_CLIENT_FINISHED_B */
-    if (s->s2->conn_id_length > sizeof s->s2->conn_id) {
-        ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_FINISHED, ERR_R_INTERNAL_ERROR);
-        return -1;
-    }
-    len = 1 + (unsigned long)s->s2->conn_id_length;
-    n = (int)len - s->init_num;
-    i = ssl2_read(s, (char *)&(p[s->init_num]), n);
-    if (i < n) {
-        return (ssl2_part_read(s, SSL_F_GET_CLIENT_FINISHED, i));
-    }
-    if (s->msg_callback) {
-        /* CLIENT-FINISHED */
-        s->msg_callback(0, s->version, 0, p, len, s, s->msg_callback_arg);
-    }
-    p += 1;
-    if (memcmp(p, s->s2->conn_id, s->s2->conn_id_length) != 0) {
-        ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-        SSLerr(SSL_F_GET_CLIENT_FINISHED, SSL_R_CONNECTION_ID_IS_DIFFERENT);
-        return (-1);
-    }
-    return (1);
-}
-
-static int server_verify(SSL *s)
-{
-    unsigned char *p;
-
-    if (s->state == SSL2_ST_SEND_SERVER_VERIFY_A) {
-        p = (unsigned char *)s->init_buf->data;
-        *(p++) = SSL2_MT_SERVER_VERIFY;
-        if (s->s2->challenge_length > sizeof s->s2->challenge) {
-            SSLerr(SSL_F_SERVER_VERIFY, ERR_R_INTERNAL_ERROR);
-            return -1;
-        }
-        memcpy(p, s->s2->challenge, (unsigned int)s->s2->challenge_length);
-        /* p+=s->s2->challenge_length; */
-
-        s->state = SSL2_ST_SEND_SERVER_VERIFY_B;
-        s->init_num = s->s2->challenge_length + 1;
-        s->init_off = 0;
-    }
-    return (ssl2_do_write(s));
-}
-
-static int server_finish(SSL *s)
-{
-    unsigned char *p;
-
-    if (s->state == SSL2_ST_SEND_SERVER_FINISHED_A) {
-        p = (unsigned char *)s->init_buf->data;
-        *(p++) = SSL2_MT_SERVER_FINISHED;
-
-        if (s->session->session_id_length > sizeof s->session->session_id) {
-            SSLerr(SSL_F_SERVER_FINISH, ERR_R_INTERNAL_ERROR);
-            return -1;
-        }
-        memcpy(p, s->session->session_id,
-               (unsigned int)s->session->session_id_length);
-        /* p+=s->session->session_id_length; */
-
-        s->state = SSL2_ST_SEND_SERVER_FINISHED_B;
-        s->init_num = s->session->session_id_length + 1;
-        s->init_off = 0;
-    }
-
-    /* SSL2_ST_SEND_SERVER_FINISHED_B */
-    return (ssl2_do_write(s));
-}
-
-/* send the request and check the response */
-static int request_certificate(SSL *s)
-{
-    const unsigned char *cp;
-    unsigned char *p, *p2, *buf2;
-    unsigned char *ccd;
-    int i, j, ctype, ret = -1;
-    unsigned long len;
-    X509 *x509 = NULL;
-    STACK_OF(X509) *sk = NULL;
-
-    ccd = s->s2->tmp.ccl;
-    if (s->state == SSL2_ST_SEND_REQUEST_CERTIFICATE_A) {
-        p = (unsigned char *)s->init_buf->data;
-        *(p++) = SSL2_MT_REQUEST_CERTIFICATE;
-        *(p++) = SSL2_AT_MD5_WITH_RSA_ENCRYPTION;
-        if (RAND_bytes(ccd, SSL2_MIN_CERT_CHALLENGE_LENGTH) <= 0)
-            return -1;
-        memcpy(p, ccd, SSL2_MIN_CERT_CHALLENGE_LENGTH);
-
-        s->state = SSL2_ST_SEND_REQUEST_CERTIFICATE_B;
-        s->init_num = SSL2_MIN_CERT_CHALLENGE_LENGTH + 2;
-        s->init_off = 0;
-    }
-
-    if (s->state == SSL2_ST_SEND_REQUEST_CERTIFICATE_B) {
-        i = ssl2_do_write(s);
-        if (i <= 0) {
-            ret = i;
-            goto end;
-        }
-
-        s->init_num = 0;
-        s->state = SSL2_ST_SEND_REQUEST_CERTIFICATE_C;
-    }
-
-    if (s->state == SSL2_ST_SEND_REQUEST_CERTIFICATE_C) {
-        p = (unsigned char *)s->init_buf->data;
-        /* try to read 6 octets ... */
-        i = ssl2_read(s, (char *)&(p[s->init_num]), 6 - s->init_num);
-        /*
-         * ... but don't call ssl2_part_read now if we got at least 3
-         * (probably NO-CERTIFICATE-ERROR)
-         */
-        if (i < 3 - s->init_num) {
-            ret = ssl2_part_read(s, SSL_F_REQUEST_CERTIFICATE, i);
-            goto end;
-        }
-        s->init_num += i;
-
-        if ((s->init_num >= 3) && (p[0] == SSL2_MT_ERROR)) {
-            n2s(p, i);
-            if (i != SSL2_PE_NO_CERTIFICATE) {
-                /*
-                 * not the error message we expected -- let ssl2_part_read
-                 * handle it
-                 */
-                s->init_num -= 3;
-                ret = ssl2_part_read(s, SSL_F_REQUEST_CERTIFICATE, 3);
-                goto end;
-            }
-
-            if (s->msg_callback) {
-                /* ERROR */
-                s->msg_callback(0, s->version, 0, p, 3, s,
-                                s->msg_callback_arg);
-            }
-
-            /*
-             * this is the one place where we can recover from an SSL 2.0
-             * error
-             */
-
-            if (s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT) {
-                ssl2_return_error(s, SSL2_PE_BAD_CERTIFICATE);
-                SSLerr(SSL_F_REQUEST_CERTIFICATE,
-                       SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE);
-                goto end;
-            }
-            ret = 1;
-            goto end;
-        }
-        if ((*(p++) != SSL2_MT_CLIENT_CERTIFICATE) || (s->init_num < 6)) {
-            ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
-            SSLerr(SSL_F_REQUEST_CERTIFICATE, SSL_R_SHORT_READ);
-            goto end;
-        }
-        if (s->init_num != 6) {
-            SSLerr(SSL_F_REQUEST_CERTIFICATE, ERR_R_INTERNAL_ERROR);
-            goto end;
-        }
-
-        /* ok we have a response */
-        /* certificate type, there is only one right now. */
-        ctype = *(p++);
-        if (ctype != SSL2_AT_MD5_WITH_RSA_ENCRYPTION) {
-            ssl2_return_error(s, SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE);
-            SSLerr(SSL_F_REQUEST_CERTIFICATE, SSL_R_BAD_RESPONSE_ARGUMENT);
-            goto end;
-        }
-        n2s(p, i);
-        s->s2->tmp.clen = i;
-        n2s(p, i);
-        s->s2->tmp.rlen = i;
-        s->state = SSL2_ST_SEND_REQUEST_CERTIFICATE_D;
-    }
-
-    /* SSL2_ST_SEND_REQUEST_CERTIFICATE_D */
-    p = (unsigned char *)s->init_buf->data;
-    len = 6 + (unsigned long)s->s2->tmp.clen + (unsigned long)s->s2->tmp.rlen;
-    if (len > SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER) {
-        SSLerr(SSL_F_REQUEST_CERTIFICATE, SSL_R_MESSAGE_TOO_LONG);
-        goto end;
-    }
-    j = (int)len - s->init_num;
-    i = ssl2_read(s, (char *)&(p[s->init_num]), j);
-    if (i < j) {
-        ret = ssl2_part_read(s, SSL_F_REQUEST_CERTIFICATE, i);
-        goto end;
-    }
-    if (s->msg_callback) {
-        /* CLIENT-CERTIFICATE */
-        s->msg_callback(0, s->version, 0, p, len, s, s->msg_callback_arg);
-    }
-    p += 6;
-
-    cp = p;
-    x509 = (X509 *)d2i_X509(NULL, &cp, (long)s->s2->tmp.clen);
-    if (x509 == NULL) {
-        SSLerr(SSL_F_REQUEST_CERTIFICATE, ERR_R_X509_LIB);
-        goto msg_end;
-    }
-
-    if (((sk = sk_X509_new_null()) == NULL) || (!sk_X509_push(sk, x509))) {
-        SSLerr(SSL_F_REQUEST_CERTIFICATE, ERR_R_MALLOC_FAILURE);
-        goto msg_end;
-    }
-
-    i = ssl_verify_cert_chain(s, sk);
-
-    if (i > 0) {                /* we like the packet, now check the chksum */
-        EVP_MD_CTX ctx;
-        EVP_PKEY *pkey = NULL;
-
-        EVP_MD_CTX_init(&ctx);
-        if (!EVP_VerifyInit_ex(&ctx, s->ctx->rsa_md5, NULL)
-            || !EVP_VerifyUpdate(&ctx, s->s2->key_material,
-                                 s->s2->key_material_length)
-            || !EVP_VerifyUpdate(&ctx, ccd, SSL2_MIN_CERT_CHALLENGE_LENGTH))
-            goto msg_end;
-
-        i = i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509, NULL);
-        buf2 = OPENSSL_malloc((unsigned int)i);
-        if (buf2 == NULL) {
-            SSLerr(SSL_F_REQUEST_CERTIFICATE, ERR_R_MALLOC_FAILURE);
-            goto msg_end;
-        }
-        p2 = buf2;
-        i = i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509, &p2);
-        if (!EVP_VerifyUpdate(&ctx, buf2, (unsigned int)i)) {
-            OPENSSL_free(buf2);
-            goto msg_end;
-        }
-        OPENSSL_free(buf2);
-
-        pkey = X509_get_pubkey(x509);
-        if (pkey == NULL)
-            goto end;
-        i = EVP_VerifyFinal(&ctx, cp, s->s2->tmp.rlen, pkey);
-        EVP_PKEY_free(pkey);
-        EVP_MD_CTX_cleanup(&ctx);
-
-        if (i > 0) {
-            if (s->session->peer != NULL)
-                X509_free(s->session->peer);
-            s->session->peer = x509;
-            CRYPTO_add(&x509->references, 1, CRYPTO_LOCK_X509);
-            s->session->verify_result = s->verify_result;
-            ret = 1;
-            goto end;
-        } else {
-            SSLerr(SSL_F_REQUEST_CERTIFICATE, SSL_R_BAD_CHECKSUM);
-            goto msg_end;
-        }
-    } else {
- msg_end:
-        ssl2_return_error(s, SSL2_PE_BAD_CERTIFICATE);
-    }
- end:
-    sk_X509_free(sk);
-    X509_free(x509);
-    return (ret);
-}
-
-static int ssl_rsa_private_decrypt(CERT *c, int len, unsigned char *from,
-                                   unsigned char *to, int padding)
-{
-    RSA *rsa;
-    int i;
-
-    if ((c == NULL) || (c->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL)) {
-        SSLerr(SSL_F_SSL_RSA_PRIVATE_DECRYPT, SSL_R_NO_PRIVATEKEY);
-        return (-1);
-    }
-    if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey->type != EVP_PKEY_RSA) {
-        SSLerr(SSL_F_SSL_RSA_PRIVATE_DECRYPT, SSL_R_PUBLIC_KEY_IS_NOT_RSA);
-        return (-1);
-    }
-    rsa = c->pkeys[SSL_PKEY_RSA_ENC].privatekey->pkey.rsa;
-
-    /* we have the public key */
-    i = RSA_private_decrypt(len, from, to, rsa, padding);
-    if (i < 0)
-        SSLerr(SSL_F_SSL_RSA_PRIVATE_DECRYPT, ERR_R_RSA_LIB);
-    return (i);
-}
-#else                           /* !OPENSSL_NO_SSL2 */
-
-# if PEDANTIC
-static void *dummy = &dummy;
-# endif
-
-#endif