text: /* 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__;
              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);
  }
  