/* ssl/ssl_asn1.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 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.

 */

#include <stdio.h>

#include <stdlib.h>

#include "ssl_locl.h"

#include <openssl/asn1_mac.h>

#include <openssl/objects.h>

#include <openssl/x509.h>

typedef struct ssl_session_asn1_st {

    ASN1_INTEGER version;

    ASN1_INTEGER ssl_version;

    ASN1_OCTET_STRING cipher;

    ASN1_OCTET_STRING comp_id;

    ASN1_OCTET_STRING master_key;

    ASN1_OCTET_STRING session_id;

    ASN1_OCTET_STRING session_id_context;

    ASN1_OCTET_STRING key_arg;

#ifndef OPENSSL_NO_KRB5

    ASN1_OCTET_STRING krb5_princ;

#endif                          /* OPENSSL_NO_KRB5 */

    ASN1_INTEGER time;

    ASN1_INTEGER timeout;

    ASN1_INTEGER verify_result;

#ifndef OPENSSL_NO_TLSEXT

    ASN1_OCTET_STRING tlsext_hostname;

    ASN1_INTEGER tlsext_tick_lifetime;

    ASN1_OCTET_STRING tlsext_tick;

#endif                          /* OPENSSL_NO_TLSEXT */

#ifndef OPENSSL_NO_PSK

    ASN1_OCTET_STRING psk_identity_hint;

    ASN1_OCTET_STRING psk_identity;

#endif                          /* OPENSSL_NO_PSK */

#ifndef OPENSSL_NO_SRP

    ASN1_OCTET_STRING srp_username;

#endif                          /* OPENSSL_NO_SRP */

} SSL_SESSION_ASN1;

int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)

{

#define LSIZE2 (sizeof(long)*2)

    int v1 = 0, v2 = 0, v3 = 0, v4 = 0, v5 = 0;

    unsigned char buf[4], ibuf1[LSIZE2], ibuf2[LSIZE2];

    unsigned char ibuf3[LSIZE2], ibuf4[LSIZE2], ibuf5[LSIZE2];

#ifndef OPENSSL_NO_TLSEXT

    int v6 = 0, v9 = 0, v10 = 0;

    unsigned char ibuf6[LSIZE2];

#endif

#ifndef OPENSSL_NO_PSK

    int v7 = 0, v8 = 0;

#endif

#ifndef OPENSSL_NO_COMP

    unsigned char cbuf;

    int v11 = 0;

#endif

#ifndef OPENSSL_NO_SRP

    int v12 = 0;

#endif

    long l;

    SSL_SESSION_ASN1 a;

    M_ASN1_I2D_vars(in);

    if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))

        return (0);

    /*

     * Note that I cheat in the following 2 assignments.  I know that if the

     * ASN1_INTEGER passed to ASN1_INTEGER_set is > sizeof(long)+1, the

     * buffer will not be re-OPENSSL_malloc()ed. This is a bit evil but makes

     * things simple, no dynamic allocation to clean up :-)

     */

    a.version.length = LSIZE2;

    a.version.type = V_ASN1_INTEGER;

    a.version.data = ibuf1;

    ASN1_INTEGER_set(&(a.version), SSL_SESSION_ASN1_VERSION);

    a.ssl_version.length = LSIZE2;

    a.ssl_version.type = V_ASN1_INTEGER;

    a.ssl_version.data = ibuf2;

    ASN1_INTEGER_set(&(a.ssl_version), in->ssl_version);

    a.cipher.type = V_ASN1_OCTET_STRING;

    a.cipher.data = buf;

    if (in->cipher == NULL)

        l = in->cipher_id;

    else

        l = in->cipher->id;

    if (in->ssl_version == SSL2_VERSION) {

        a.cipher.length = 3;

        buf[0] = ((unsigned char)(l >> 16L)) & 0xff;

        buf[1] = ((unsigned char)(l >> 8L)) & 0xff;

        buf[2] = ((unsigned char)(l)) & 0xff;

    } else {

        a.cipher.length = 2;

        buf[0] = ((unsigned char)(l >> 8L)) & 0xff;

        buf[1] = ((unsigned char)(l)) & 0xff;

    }

#ifndef OPENSSL_NO_COMP

    if (in->compress_meth) {

        cbuf = (unsigned char)in->compress_meth;

        a.comp_id.length = 1;

        a.comp_id.type = V_ASN1_OCTET_STRING;

        a.comp_id.data = &cbuf;

    }

#endif

    a.master_key.length = in->master_key_length;

    a.master_key.type = V_ASN1_OCTET_STRING;

    a.master_key.data = in->master_key;

    a.session_id.length = in->session_id_length;

    a.session_id.type = V_ASN1_OCTET_STRING;

    a.session_id.data = in->session_id;

    a.session_id_context.length = in->sid_ctx_length;

    a.session_id_context.type = V_ASN1_OCTET_STRING;

    a.session_id_context.data = in->sid_ctx;

    a.key_arg.length = in->key_arg_length;

    a.key_arg.type = V_ASN1_OCTET_STRING;

    a.key_arg.data = in->key_arg;

#ifndef OPENSSL_NO_KRB5

    if (in->krb5_client_princ_len) {

        a.krb5_princ.length = in->krb5_client_princ_len;

        a.krb5_princ.type = V_ASN1_OCTET_STRING;

        a.krb5_princ.data = in->krb5_client_princ;

    }

#endif                          /* OPENSSL_NO_KRB5 */

    if (in->time != 0L) {

        a.time.length = LSIZE2;

        a.time.type = V_ASN1_INTEGER;

        a.time.data = ibuf3;

        ASN1_INTEGER_set(&(a.time), in->time);

    }

    if (in->timeout != 0L) {

        a.timeout.length = LSIZE2;

        a.timeout.type = V_ASN1_INTEGER;

        a.timeout.data = ibuf4;

        ASN1_INTEGER_set(&(a.timeout), in->timeout);

    }

    if (in->verify_result != X509_V_OK) {

        a.verify_result.length = LSIZE2;

        a.verify_result.type = V_ASN1_INTEGER;

        a.verify_result.data = ibuf5;

        ASN1_INTEGER_set(&a.verify_result, in->verify_result);

    }

#ifndef OPENSSL_NO_TLSEXT

    if (in->tlsext_hostname) {

        a.tlsext_hostname.length = strlen(in->tlsext_hostname);

        a.tlsext_hostname.type = V_ASN1_OCTET_STRING;

        a.tlsext_hostname.data = (unsigned char *)in->tlsext_hostname;

    }

    if (in->tlsext_tick) {

        a.tlsext_tick.length = in->tlsext_ticklen;

        a.tlsext_tick.type = V_ASN1_OCTET_STRING;

        a.tlsext_tick.data = (unsigned char *)in->tlsext_tick;

    }

    if (in->tlsext_tick_lifetime_hint > 0) {

        a.tlsext_tick_lifetime.length = LSIZE2;

        a.tlsext_tick_lifetime.type = V_ASN1_INTEGER;

        a.tlsext_tick_lifetime.data = ibuf6;

        ASN1_INTEGER_set(&a.tlsext_tick_lifetime,

                         in->tlsext_tick_lifetime_hint);

    }

#endif                          /* OPENSSL_NO_TLSEXT */

#ifndef OPENSSL_NO_PSK

    if (in->psk_identity_hint) {

        a.psk_identity_hint.length = strlen(in->psk_identity_hint);

        a.psk_identity_hint.type = V_ASN1_OCTET_STRING;

        a.psk_identity_hint.data = (unsigned char *)(in->psk_identity_hint);

    }

    if (in->psk_identity) {

        a.psk_identity.length = strlen(in->psk_identity);

        a.psk_identity.type = V_ASN1_OCTET_STRING;

        a.psk_identity.data = (unsigned char *)(in->psk_identity);

    }

#endif                          /* OPENSSL_NO_PSK */

#ifndef OPENSSL_NO_SRP

    if (in->srp_username) {

        a.srp_username.length = strlen(in->srp_username);

        a.srp_username.type = V_ASN1_OCTET_STRING;

        a.srp_username.data = (unsigned char *)(in->srp_username);

    }

#endif                          /* OPENSSL_NO_SRP */

    M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);

    M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);

    M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);

    M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);

    M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);

#ifndef OPENSSL_NO_KRB5

    if (in->krb5_client_princ_len)

        M_ASN1_I2D_len(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);

#endif                          /* OPENSSL_NO_KRB5 */

    if (in->key_arg_length > 0)

        M_ASN1_I2D_len_IMP_opt(&(a.key_arg), i2d_ASN1_OCTET_STRING);

    if (in->time != 0L)

        M_ASN1_I2D_len_EXP_opt(&(a.time), i2d_ASN1_INTEGER, 1, v1);

    if (in->timeout != 0L)

        M_ASN1_I2D_len_EXP_opt(&(a.timeout), i2d_ASN1_INTEGER, 2, v2);

    if (in->peer != NULL)

        M_ASN1_I2D_len_EXP_opt(in->peer, i2d_X509, 3, v3);

    M_ASN1_I2D_len_EXP_opt(&a.session_id_context, i2d_ASN1_OCTET_STRING, 4,

                           v4);

    if (in->verify_result != X509_V_OK)

        M_ASN1_I2D_len_EXP_opt(&(a.verify_result), i2d_ASN1_INTEGER, 5, v5);

#ifndef OPENSSL_NO_TLSEXT

    if (in->tlsext_tick_lifetime_hint > 0)

        M_ASN1_I2D_len_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER, 9,

                               v9);

    if (in->tlsext_tick)

        M_ASN1_I2D_len_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING, 10,

                               v10);

    if (in->tlsext_hostname)

        M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING, 6,

                               v6);

# ifndef OPENSSL_NO_COMP

    if (in->compress_meth)

        M_ASN1_I2D_len_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING, 11, v11);

# endif

#endif                          /* OPENSSL_NO_TLSEXT */

#ifndef OPENSSL_NO_PSK

    if (in->psk_identity_hint)

        M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,

                               7, v7);

    if (in->psk_identity)

        M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING, 8,

                               v8);

#endif                          /* OPENSSL_NO_PSK */

#ifndef OPENSSL_NO_SRP

    if (in->srp_username)

        M_ASN1_I2D_len_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING, 12,

                               v12);

#endif                          /* OPENSSL_NO_SRP */

    M_ASN1_I2D_seq_total();

    M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);

    M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);

    M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);

    M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);

    M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);

#ifndef OPENSSL_NO_KRB5

    if (in->krb5_client_princ_len)

        M_ASN1_I2D_put(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);

#endif                          /* OPENSSL_NO_KRB5 */

    if (in->key_arg_length > 0)

        M_ASN1_I2D_put_IMP_opt(&(a.key_arg), i2d_ASN1_OCTET_STRING, 0);

    if (in->time != 0L)

        M_ASN1_I2D_put_EXP_opt(&(a.time), i2d_ASN1_INTEGER, 1, v1);

    if (in->timeout != 0L)

        M_ASN1_I2D_put_EXP_opt(&(a.timeout), i2d_ASN1_INTEGER, 2, v2);

    if (in->peer != NULL)

        M_ASN1_I2D_put_EXP_opt(in->peer, i2d_X509, 3, v3);

    M_ASN1_I2D_put_EXP_opt(&a.session_id_context, i2d_ASN1_OCTET_STRING, 4,

                           v4);

    if (in->verify_result != X509_V_OK)

        M_ASN1_I2D_put_EXP_opt(&a.verify_result, i2d_ASN1_INTEGER, 5, v5);

#ifndef OPENSSL_NO_TLSEXT

    if (in->tlsext_hostname)

        M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING, 6,

                               v6);

#endif                          /* OPENSSL_NO_TLSEXT */

#ifndef OPENSSL_NO_PSK

    if (in->psk_identity_hint)

        M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,

                               7, v7);

    if (in->psk_identity)

        M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING, 8,

                               v8);

#endif                          /* OPENSSL_NO_PSK */

#ifndef OPENSSL_NO_TLSEXT

    if (in->tlsext_tick_lifetime_hint > 0)

        M_ASN1_I2D_put_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER, 9,

                               v9);

    if (in->tlsext_tick)

        M_ASN1_I2D_put_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING, 10,

                               v10);

#endif                          /* OPENSSL_NO_TLSEXT */

#ifndef OPENSSL_NO_COMP

    if (in->compress_meth)

        M_ASN1_I2D_put_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING, 11, v11);

#endif

#ifndef OPENSSL_NO_SRP

    if (in->srp_username)

        M_ASN1_I2D_put_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING, 12,

                               v12);

#endif                          /* OPENSSL_NO_SRP */

    M_ASN1_I2D_finish();

}

SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,

                             long length)

{

    int ssl_version = 0, i;

    long id;

    ASN1_INTEGER ai, *aip;

    ASN1_OCTET_STRING os, *osp;

    M_ASN1_D2I_vars(a, SSL_SESSION *, SSL_SESSION_new);

    aip = &ai;

    osp = &os;

    M_ASN1_D2I_Init();

    M_ASN1_D2I_start_sequence();

    ai.data = NULL;

    ai.length = 0;

    M_ASN1_D2I_get_x(ASN1_INTEGER, aip, d2i_ASN1_INTEGER);

    if (ai.data != NULL) {

        OPENSSL_free(ai.data);

        ai.data = NULL;

        ai.length = 0;

    }

    /* we don't care about the version right now :-) */

    M_ASN1_D2I_get_x(ASN1_INTEGER, aip, d2i_ASN1_INTEGER);

    ssl_version = (int)ASN1_INTEGER_get(aip);

    ret->ssl_version = ssl_version;

    if (ai.data != NULL) {

        OPENSSL_free(ai.data);

        ai.data = NULL;

        ai.length = 0;

    }

    os.data = NULL;

    os.length = 0;

    M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING);

    if (ssl_version == SSL2_VERSION) {

        if (os.length != 3) {

            c.error = SSL_R_CIPHER_CODE_WRONG_LENGTH;

            c.line = __LINE__;

            goto err;

        }

        id = 0x02000000L |

            ((unsigned long)os.data[0] << 16L) |

            ((unsigned long)os.data[1] << 8L) | (unsigned long)os.data[2];

    } else if ((ssl_version >> 8) == SSL3_VERSION_MAJOR

        || (ssl_version >> 8) == DTLS1_VERSION_MAJOR

        || ssl_version == DTLS1_BAD_VER) {

        if (os.length != 2) {

            c.error = SSL_R_CIPHER_CODE_WRONG_LENGTH;

            c.line = __LINE__;

            goto err;

        }

        id = 0x03000000L |

            ((unsigned long)os.data[0] << 8L) | (unsigned long)os.data[1];

    } else {

        c.error = SSL_R_UNKNOWN_SSL_VERSION;

        c.line = __LINE__;

        goto err;

    }

    ret->cipher = NULL;

    ret->cipher_id = id;

    M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING);

    if ((ssl_version >> 8) >= SSL3_VERSION_MAJOR)

        i = SSL3_MAX_SSL_SESSION_ID_LENGTH;

    else                        /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */

        i = SSL2_MAX_SSL_SESSION_ID_LENGTH;

    if (os.length > i)

        os.length = i;

    if (os.length > (int)sizeof(ret->session_id)) /* can't happen */

        os.length = sizeof(ret->session_id);

    ret->session_id_length = os.length;

    OPENSSL_assert(os.length <= (int)sizeof(ret->session_id));

    memcpy(ret->session_id, os.data, os.length);

    M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING);

    if (os.length > SSL_MAX_MASTER_KEY_LENGTH)

        ret->master_key_length = SSL_MAX_MASTER_KEY_LENGTH;

    else

        ret->master_key_length = os.length;

    memcpy(ret->master_key, os.data, ret->master_key_length);

    os.length = 0;

#ifndef OPENSSL_NO_KRB5

    os.length = 0;

    M_ASN1_D2I_get_opt(osp, d2i_ASN1_OCTET_STRING, V_ASN1_OCTET_STRING);

    if (os.data) {

        if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH)

            ret->krb5_client_princ_len = 0;

        else

            ret->krb5_client_princ_len = os.length;

        memcpy(ret->krb5_client_princ, os.data, ret->krb5_client_princ_len);

        OPENSSL_free(os.data);

        os.data = NULL;

        os.length = 0;

    } else

        ret->krb5_client_princ_len = 0;

#endif                          /* OPENSSL_NO_KRB5 */

    M_ASN1_D2I_get_IMP_opt(osp, d2i_ASN1_OCTET_STRING, 0,

                           V_ASN1_OCTET_STRING);

    if (os.length > SSL_MAX_KEY_ARG_LENGTH)

        ret->key_arg_length = SSL_MAX_KEY_ARG_LENGTH;

    else

        ret->key_arg_length = os.length;

    memcpy(ret->key_arg, os.data, ret->key_arg_length);

    if (os.data != NULL)

        OPENSSL_free(os.data);

    ai.length = 0;

    M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 1);

    if (ai.data != NULL) {

        ret->time = ASN1_INTEGER_get(aip);

        OPENSSL_free(ai.data);

        ai.data = NULL;

        ai.length = 0;

    } else

        ret->time = (unsigned long)time(NULL);

    ai.length = 0;

    M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 2);

    if (ai.data != NULL) {

        ret->timeout = ASN1_INTEGER_get(aip);

        OPENSSL_free(ai.data);

        ai.data = NULL;

        ai.length = 0;

    } else

        ret->timeout = 3;

    if (ret->peer != NULL) {

        X509_free(ret->peer);

        ret->peer = NULL;

    }

    M_ASN1_D2I_get_EXP_opt(ret->peer, d2i_X509, 3);

    os.length = 0;

    os.data = NULL;

    M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 4);

    if (os.data != NULL) {

        if (os.length > SSL_MAX_SID_CTX_LENGTH) {

            c.error = SSL_R_BAD_LENGTH;

            c.line = __LINE__;

            OPENSSL_free(os.data);

            os.data = NULL;

            os.length = 0;

            goto err;

        } else {

            ret->sid_ctx_length = os.length;

            memcpy(ret->sid_ctx, os.data, os.length);

        }

        OPENSSL_free(os.data);

        os.data = NULL;

        os.length = 0;

    } else

        ret->sid_ctx_length = 0;

    ai.length = 0;

    M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 5);

    if (ai.data != NULL) {

        ret->verify_result = ASN1_INTEGER_get(aip);

        OPENSSL_free(ai.data);

        ai.data = NULL;

        ai.length = 0;

    } else

        ret->verify_result = X509_V_OK;

#ifndef OPENSSL_NO_TLSEXT

    os.length = 0;

    os.data = NULL;

    M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 6);

    if (os.data) {

        ret->tlsext_hostname = BUF_strndup((char *)os.data, os.length);

        OPENSSL_free(os.data);

        os.data = NULL;

        os.length = 0;

    } else

        ret->tlsext_hostname = NULL;

#endif                          /* OPENSSL_NO_TLSEXT */

#ifndef OPENSSL_NO_PSK

    os.length = 0;

    os.data = NULL;

    M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 7);

    if (os.data) {

        ret->psk_identity_hint = BUF_strndup((char *)os.data, os.length);

        OPENSSL_free(os.data);

        os.data = NULL;

        os.length = 0;

    } else

        ret->psk_identity_hint = NULL;

    os.length = 0;

    os.data = NULL;

    M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 8);

    if (os.data) {

        ret->psk_identity = BUF_strndup((char *)os.data, os.length);

        OPENSSL_free(os.data);

        os.data = NULL;

        os.length = 0;

    } else

        ret->psk_identity = NULL;

#endif                          /* OPENSSL_NO_PSK */

#ifndef OPENSSL_NO_TLSEXT

    ai.length = 0;

    M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 9);

    if (ai.data != NULL) {

        ret->tlsext_tick_lifetime_hint = ASN1_INTEGER_get(aip);

        OPENSSL_free(ai.data);

        ai.data = NULL;

        ai.length = 0;

    } else if (ret->tlsext_ticklen && ret->session_id_length)

        ret->tlsext_tick_lifetime_hint = -1;

    else

        ret->tlsext_tick_lifetime_hint = 0;

    os.length = 0;

    os.data = NULL;

    M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 10);

    if (os.data) {

        ret->tlsext_tick = os.data;

        ret->tlsext_ticklen = os.length;

        os.data = NULL;

        os.length = 0;

    } else

        ret->tlsext_tick = NULL;

#endif                          /* OPENSSL_NO_TLSEXT */

#ifndef OPENSSL_NO_COMP

    os.length = 0;

    os.data = NULL;

    M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 11);

    if (os.data) {

        ret->compress_meth = os.data[0];

        OPENSSL_free(os.data);

        os.data = NULL;

    }

#endif

#ifndef OPENSSL_NO_SRP

    os.length = 0;

    os.data = NULL;

    M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 12);

    if (os.data) {

        ret->srp_username = BUF_strndup((char *)os.data, os.length);

        OPENSSL_free(os.data);

        os.data = NULL;

        os.length = 0;

    } else

        ret->srp_username = NULL;

#endif                          /* OPENSSL_NO_SRP */

    M_ASN1_D2I_Finish(a, SSL_SESSION_free, SSL_F_D2I_SSL_SESSION);

}