ssl/ssl_lib.c

   1 /*! \file ssl/ssl_lib.c
   2  *  \brief Version independent SSL functions.
   3  */
   4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   5  * All rights reserved.
   6  *
   7  * This package is an SSL implementation written
   8  * by Eric Young (eay@cryptsoft.com).
   9  * The implementation was written so as to conform with Netscapes SSL.
  10  *
  11  * This library is free for commercial and non-commercial use as long as
  12  * the following conditions are aheared to.  The following conditions
  13  * apply to all code found in this distribution, be it the RC4, RSA,
  14  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  15  * included with this distribution is covered by the same copyright terms
  16  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  17  *
  18  * Copyright remains Eric Young's, and as such any Copyright notices in
  19  * the code are not to be removed.
  20  * If this package is used in a product, Eric Young should be given attribution
  21  * as the author of the parts of the library used.
  22  * This can be in the form of a textual message at program startup or
  23  * in documentation (online or textual) provided with the package.
  24  *
  25  * Redistribution and use in source and binary forms, with or without
  26  * modification, are permitted provided that the following conditions
  27  * are met:
  28  * 1. Redistributions of source code must retain the copyright
  29  *    notice, this list of conditions and the following disclaimer.
  30  * 2. Redistributions in binary form must reproduce the above copyright
  31  *    notice, this list of conditions and the following disclaimer in the
  32  *    documentation and/or other materials provided with the distribution.
  33  * 3. All advertising materials mentioning features or use of this software
  34  *    must display the following acknowledgement:
  35  *    "This product includes cryptographic software written by
  36  *     Eric Young (eay@cryptsoft.com)"
  37  *    The word 'cryptographic' can be left out if the rouines from the library
  38  *    being used are not cryptographic related :-).
  39  * 4. If you include any Windows specific code (or a derivative thereof) from
  40  *    the apps directory (application code) you must include an acknowledgement:
  41  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  44  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  46  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  47  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  48  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  49  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  50  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  51  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  52  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  53  * SUCH DAMAGE.
  54  *
  55  * The licence and distribution terms for any publically available version or
  56  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  57  * copied and put under another distribution licence
  58  * [including the GNU Public Licence.]
  59  */
  60
  61 #include <stdio.h>
  62 #include <openssl/objects.h>
  63 #include <openssl/lhash.h>
  64 #include <openssl/x509v3.h>
  65 #include "ssl_locl.h"
  66
  67 const char *SSL_version_str=OPENSSL_VERSION_TEXT;
  68
  69 static STACK_OF(CRYPTO_EX_DATA_FUNCS) *ssl_meth=NULL;
  70 static STACK_OF(CRYPTO_EX_DATA_FUNCS) *ssl_ctx_meth=NULL;
  71 static int ssl_meth_num=0;
  72 static int ssl_ctx_meth_num=0;
  73
  74 OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={
  75         /* evil casts, but these functions are only called if there's a library bug */
  76         (int (*)(SSL *,int))ssl_undefined_function,
  77         (int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
  78         ssl_undefined_function,
  79         (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
  80         (int (*)(SSL*, int))ssl_undefined_function,
  81         (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function
  82         };
  83
  84 #ifndef NO_RSA
  85 union rsa_fn_to_char_u
  86         {
  87         char *char_p;
  88         RSA *(*fn_p)(SSL *, int, int);
  89         };
  90 #endif
  91
  92 union dh_fn_to_char_u
  93         {
  94         char *char_p;
  95         DH *(*fn_p)(SSL *, int, int);
  96         };
  97
  98 int SSL_clear(SSL *s)
  99         {
 100         int state;
 101
 102         if (s->method == NULL)
 103                 {
 104                 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
 105                 return(0);
 106                 }
 107
 108         s->error=0;
 109         s->hit=0;
 110         s->shutdown=0;
 111
 112 #if 0 /* Disabled since version 1.10 of this file (early return not
 113        * needed because SSL_clear is not called when doing renegotiation) */
 114         /* This is set if we are doing dynamic renegotiation so keep
 115          * the old cipher.  It is sort of a SSL_clear_lite :-) */
 116         if (s->new_session) return(1);
 117 #else
 118         if (s->new_session)
 119                 {
 120                 SSLerr(SSL_F_SSL_CLEAR,SSL_R_INTERNAL_ERROR);
 121                 return 0;
 122                 }
 123 #endif
 124
 125         state=s->state; /* Keep to check if we throw away the session-id */
 126         s->type=0;
 127
 128         s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
 129
 130         s->version=s->method->version;
 131         s->client_version=s->version;
 132         s->rwstate=SSL_NOTHING;
 133         s->rstate=SSL_ST_READ_HEADER;
 134         s->read_ahead=s->ctx->read_ahead;
 135
 136         if (s->init_buf != NULL)
 137                 {
 138                 BUF_MEM_free(s->init_buf);
 139                 s->init_buf=NULL;
 140                 }
 141
 142         ssl_clear_cipher_ctx(s);
 143
 144         if (ssl_clear_bad_session(s))
 145                 {
 146                 SSL_SESSION_free(s->session);
 147                 s->session=NULL;
 148                 }
 149
 150         s->first_packet=0;
 151
 152 #if 1
 153         /* Check to see if we were changed into a different method, if
 154          * so, revert back if we are not doing session-id reuse. */
 155         if ((s->session == NULL) && (s->method != s->ctx->method))
 156                 {
 157                 s->method->ssl_free(s);
 158                 s->method=s->ctx->method;
 159                 if (!s->method->ssl_new(s))
 160                         return(0);
 161                 }
 162         else
 163 #endif
 164                 s->method->ssl_clear(s);
 165         return(1);
 166         }
 167
 168 /** Used to change an SSL_CTXs default SSL method type */
 169 int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
 170         {
 171         STACK_OF(SSL_CIPHER) *sk;
 172
 173         ctx->method=meth;
 174
 175         sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
 176                 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
 177         if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
 178                 {
 179                 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
 180                 return(0);
 181                 }
 182         return(1);
 183         }
 184
 185 SSL *SSL_new(SSL_CTX *ctx)
 186         {
 187         SSL *s;
 188
 189         if (ctx == NULL)
 190                 {
 191                 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
 192                 return(NULL);
 193                 }
 194         if (ctx->method == NULL)
 195                 {
 196                 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
 197                 return(NULL);
 198                 }
 199
 200         s=(SSL *)Malloc(sizeof(SSL));
 201         if (s == NULL) goto err;
 202         memset(s,0,sizeof(SSL));
 203
 204         if (ctx->cert != NULL)
 205                 {
 206                 /* Earlier library versions used to copy the pointer to
 207                  * the CERT, not its contents; only when setting new
 208                  * parameters for the per-SSL copy, ssl_cert_new would be
 209                  * called (and the direct reference to the per-SSL_CTX
 210                  * settings would be lost, but those still were indirectly
 211                  * accessed for various purposes, and for that reason they
 212                  * used to be known as s->ctx->default_cert).
 213                  * Now we don't look at the SSL_CTX's CERT after having
 214                  * duplicated it once. */
 215
 216                 s->cert = ssl_cert_dup(ctx->cert);
 217                 if (s->cert == NULL)
 218                         goto err;
 219                 }
 220         else
 221                 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
 222         s->sid_ctx_length=ctx->sid_ctx_length;
 223         memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
 224         s->verify_mode=ctx->verify_mode;
 225         s->verify_depth=ctx->verify_depth;
 226         s->verify_callback=ctx->default_verify_callback;
 227         s->purpose = ctx->purpose;
 228         s->trust = ctx->trust;
 229         CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
 230         s->ctx=ctx;
 231
 232         s->verify_result=X509_V_OK;
 233
 234         s->method=ctx->method;
 235
 236         if (!s->method->ssl_new(s))
 237                 goto err;
 238
 239         s->quiet_shutdown=ctx->quiet_shutdown;
 240         s->references=1;
 241         s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
 242         s->options=ctx->options;
 243         s->mode=ctx->mode;
 244         SSL_clear(s);
 245
 246         CRYPTO_new_ex_data(ssl_meth,s,&s->ex_data);
 247
 248         return(s);
 249 err:
 250         if (s != NULL)
 251                 {
 252                 if (s->cert != NULL)
 253                         ssl_cert_free(s->cert);
 254                 if (s->ctx != NULL)
 255                         SSL_CTX_free(s->ctx); /* decrement reference count */
 256                 Free(s);
 257                 }
 258         SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
 259         return(NULL);
 260         }
 261
 262 int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
 263                                    unsigned int sid_ctx_len)
 264     {
 265     if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
 266         {
 267         SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
 268         return 0;
 269         }
 270     ctx->sid_ctx_length=sid_ctx_len;
 271     memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
 272
 273     return 1;
 274     }
 275
 276 int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
 277                                unsigned int sid_ctx_len)
 278     {
 279     if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
 280         {
 281         SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
 282         return 0;
 283         }
 284     ssl->sid_ctx_length=sid_ctx_len;
 285     memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
 286
 287     return 1;
 288     }
 289
 290 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
 291 {
 292         if(X509_PURPOSE_get_by_id(purpose) == -1) {
 293                 SSLerr(SSL_F_SSL_CTX_SET_PURPOSE, SSL_R_INVALID_PURPOSE);
 294                 return 0;
 295         }
 296         s->purpose = purpose;
 297         return 1;
 298 }
 299
 300 int SSL_set_purpose(SSL *s, int purpose)
 301 {
 302         if(X509_PURPOSE_get_by_id(purpose) == -1) {
 303                 SSLerr(SSL_F_SSL_SET_PURPOSE, SSL_R_INVALID_PURPOSE);
 304                 return 0;
 305         }
 306         s->purpose = purpose;
 307         return 1;
 308 }
 309
 310 int SSL_CTX_set_trust(SSL_CTX *s, int trust)
 311 {
 312         if(X509_TRUST_get_by_id(trust) == -1) {
 313                 SSLerr(SSL_F_SSL_CTX_SET_TRUST, SSL_R_INVALID_TRUST);
 314                 return 0;
 315         }
 316         s->trust = trust;
 317         return 1;
 318 }
 319
 320 int SSL_set_trust(SSL *s, int trust)
 321 {
 322         if(X509_TRUST_get_by_id(trust) == -1) {
 323                 SSLerr(SSL_F_SSL_SET_TRUST, SSL_R_INVALID_TRUST);
 324                 return 0;
 325         }
 326         s->trust = trust;
 327         return 1;
 328 }
 329
 330 void SSL_free(SSL *s)
 331         {
 332         int i;
 333
 334         if(s == NULL)
 335             return;
 336
 337         i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
 338 #ifdef REF_PRINT
 339         REF_PRINT("SSL",s);
 340 #endif
 341         if (i > 0) return;
 342 #ifdef REF_CHECK
 343         if (i < 0)
 344                 {
 345                 fprintf(stderr,"SSL_free, bad reference count\n");
 346                 abort(); /* ok */
 347                 }
 348 #endif
 349
 350         CRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data);
 351
 352         if (s->bbio != NULL)
 353                 {
 354                 /* If the buffering BIO is in place, pop it off */
 355                 if (s->bbio == s->wbio)
 356                         {
 357                         s->wbio=BIO_pop(s->wbio);
 358                         }
 359                 BIO_free(s->bbio);
 360                 s->bbio=NULL;
 361                 }
 362         if (s->rbio != NULL)
 363                 BIO_free_all(s->rbio);
 364         if ((s->wbio != NULL) && (s->wbio != s->rbio))
 365                 BIO_free_all(s->wbio);
 366
 367         if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
 368
 369         /* add extra stuff */
 370         if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
 371         if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
 372
 373         /* Make the next call work :-) */
 374         if (s->session != NULL)
 375                 {
 376                 ssl_clear_bad_session(s);
 377                 SSL_SESSION_free(s->session);
 378                 }
 379
 380         ssl_clear_cipher_ctx(s);
 381
 382         if (s->cert != NULL) ssl_cert_free(s->cert);
 383         /* Free up if allocated */
 384
 385         if (s->ctx) SSL_CTX_free(s->ctx);
 386
 387         if (s->client_CA != NULL)
 388                 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
 389
 390         if (s->method != NULL) s->method->ssl_free(s);
 391
 392         Free(s);
 393         }
 394
 395 void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
 396         {
 397         /* If the output buffering BIO is still in place, remove it
 398          */
 399         if (s->bbio != NULL)
 400                 {
 401                 if (s->wbio == s->bbio)
 402                         {
 403                         s->wbio=s->wbio->next_bio;
 404                         s->bbio->next_bio=NULL;
 405                         }
 406                 }
 407         if ((s->rbio != NULL) && (s->rbio != rbio))
 408                 BIO_free_all(s->rbio);
 409         if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
 410                 BIO_free_all(s->wbio);
 411         s->rbio=rbio;
 412         s->wbio=wbio;
 413         }
 414
 415 BIO *SSL_get_rbio(SSL *s)
 416         { return(s->rbio); }
 417
 418 BIO *SSL_get_wbio(SSL *s)
 419         { return(s->wbio); }
 420
 421 int SSL_get_fd(SSL *s)
 422         {
 423         int ret= -1;
 424         BIO *b,*r;
 425
 426         b=SSL_get_rbio(s);
 427         r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
 428         if (r != NULL)
 429                 BIO_get_fd(r,&ret);
 430         return(ret);
 431         }
 432
 433 #ifndef NO_SOCK
 434 int SSL_set_fd(SSL *s,int fd)
 435         {
 436         int ret=0;
 437         BIO *bio=NULL;
 438
 439         bio=BIO_new(BIO_s_socket());
 440
 441         if (bio == NULL)
 442                 {
 443                 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
 444                 goto err;
 445                 }
 446         BIO_set_fd(bio,fd,BIO_NOCLOSE);
 447         SSL_set_bio(s,bio,bio);
 448         ret=1;
 449 err:
 450         return(ret);
 451         }
 452
 453 int SSL_set_wfd(SSL *s,int fd)
 454         {
 455         int ret=0;
 456         BIO *bio=NULL;
 457
 458         if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
 459                 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
 460                 {
 461                 bio=BIO_new(BIO_s_socket());
 462
 463                 if (bio == NULL)
 464                         { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
 465                 BIO_set_fd(bio,fd,BIO_NOCLOSE);
 466                 SSL_set_bio(s,SSL_get_rbio(s),bio);
 467                 }
 468         else
 469                 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
 470         ret=1;
 471 err:
 472         return(ret);
 473         }
 474
 475 int SSL_set_rfd(SSL *s,int fd)
 476         {
 477         int ret=0;
 478         BIO *bio=NULL;
 479
 480         if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
 481                 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
 482                 {
 483                 bio=BIO_new(BIO_s_socket());
 484
 485                 if (bio == NULL)
 486                         {
 487                         SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
 488                         goto err;
 489                         }
 490                 BIO_set_fd(bio,fd,BIO_NOCLOSE);
 491                 SSL_set_bio(s,bio,SSL_get_wbio(s));
 492                 }
 493         else
 494                 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
 495         ret=1;
 496 err:
 497         return(ret);
 498         }
 499 #endif
 500
 501
 502 /* return length of latest Finished message we sent, copy to 'buf' */
 503 size_t SSL_get_finished(SSL *s, void *buf, size_t count)
 504         {
 505         size_t ret = 0;
 506
 507         if (s->s3 != NULL)
 508                 {
 509                 ret = s->s3->tmp.finish_md_len;
 510                 if (count > ret)
 511                         count = ret;
 512                 memcpy(buf, s->s3->tmp.finish_md, count);
 513                 }
 514         return ret;
 515         }
 516
 517 /* return length of latest Finished message we expected, copy to 'buf' */
 518 size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
 519         {
 520         size_t ret = 0;
 521
 522         if (s->s3 != NULL)
 523                 {
 524                 ret = s->s3->tmp.peer_finish_md_len;
 525                 if (count > ret)
 526                         count = ret;
 527                 memcpy(buf, s->s3->tmp.peer_finish_md, count);
 528                 }
 529         return ret;
 530         }
 531
 532
 533 int SSL_get_verify_mode(SSL *s)
 534         {
 535         return(s->verify_mode);
 536         }
 537
 538 int SSL_get_verify_depth(SSL *s)
 539         {
 540         return(s->verify_depth);
 541         }
 542
 543 int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
 544         {
 545         return(s->verify_callback);
 546         }
 547
 548 int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
 549         {
 550         return(ctx->verify_mode);
 551         }
 552
 553 int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
 554         {
 555         return(ctx->verify_depth);
 556         }
 557
 558 int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
 559         {
 560         return(ctx->default_verify_callback);
 561         }
 562
 563 void SSL_set_verify(SSL *s,int mode,
 564                     int (*callback)(int ok,X509_STORE_CTX *ctx))
 565         {
 566         s->verify_mode=mode;
 567         if (callback != NULL)
 568                 s->verify_callback=callback;
 569         }
 570
 571 void SSL_set_verify_depth(SSL *s,int depth)
 572         {
 573         s->verify_depth=depth;
 574         }
 575
 576 void SSL_set_read_ahead(SSL *s,int yes)
 577         {
 578         s->read_ahead=yes;
 579         }
 580
 581 int SSL_get_read_ahead(SSL *s)
 582         {
 583         return(s->read_ahead);
 584         }
 585
 586 int SSL_pending(SSL *s)
 587         {
 588         return(s->method->ssl_pending(s));
 589         }
 590
 591 X509 *SSL_get_peer_certificate(SSL *s)
 592         {
 593         X509 *r;
 594
 595         if ((s == NULL) || (s->session == NULL))
 596                 r=NULL;
 597         else
 598                 r=s->session->peer;
 599
 600         if (r == NULL) return(r);
 601
 602         CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
 603
 604         return(r);
 605         }
 606
 607 STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
 608         {
 609         STACK_OF(X509) *r;
 610
 611         if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
 612                 r=NULL;
 613         else
 614                 r=s->session->sess_cert->cert_chain;
 615
 616         return(r);
 617         }
 618
 619 /* Now in theory, since the calling process own 't' it should be safe to
 620  * modify.  We need to be able to read f without being hassled */
 621 void SSL_copy_session_id(SSL *t,SSL *f)
 622         {
 623         CERT *tmp;
 624
 625         /* Do we need to to SSL locking? */
 626         SSL_set_session(t,SSL_get_session(f));
 627
 628         /* what if we are setup as SSLv2 but want to talk SSLv3 or
 629          * vice-versa */
 630         if (t->method != f->method)
 631                 {
 632                 t->method->ssl_free(t); /* cleanup current */
 633                 t->method=f->method;    /* change method */
 634                 t->method->ssl_new(t);  /* setup new */
 635                 }
 636
 637         tmp=t->cert;
 638         if (f->cert != NULL)
 639                 {
 640                 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
 641                 t->cert=f->cert;
 642                 }
 643         else
 644                 t->cert=NULL;
 645         if (tmp != NULL) ssl_cert_free(tmp);
 646         SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
 647         }
 648
 649 /* Fix this so it checks all the valid key/cert options */
 650 int SSL_CTX_check_private_key(SSL_CTX *ctx)
 651         {
 652         if (    (ctx == NULL) ||
 653                 (ctx->cert == NULL) ||
 654                 (ctx->cert->key->x509 == NULL))
 655                 {
 656                 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
 657                 return(0);
 658                 }
 659         if      (ctx->cert->key->privatekey == NULL)
 660                 {
 661                 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
 662                 return(0);
 663                 }
 664         return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
 665         }
 666
 667 /* Fix this function so that it takes an optional type parameter */
 668 int SSL_check_private_key(SSL *ssl)
 669         {
 670         if (ssl == NULL)
 671                 {
 672                 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
 673                 return(0);
 674                 }
 675         if (ssl->cert == NULL)
 676                 {
 677                 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
 678                 return 0;
 679                 }
 680         if (ssl->cert->key->x509 == NULL)
 681                 {
 682                 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
 683                 return(0);
 684                 }
 685         if (ssl->cert->key->privatekey == NULL)
 686                 {
 687                 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
 688                 return(0);
 689                 }
 690         return(X509_check_private_key(ssl->cert->key->x509,
 691                 ssl->cert->key->privatekey));
 692         }
 693
 694 int SSL_accept(SSL *s)
 695         {
 696         if (s->handshake_func == 0)
 697                 /* Not properly initialized yet */
 698                 SSL_set_accept_state(s);
 699
 700         return(s->method->ssl_accept(s));
 701         }
 702
 703 int SSL_connect(SSL *s)
 704         {
 705         if (s->handshake_func == 0)
 706                 /* Not properly initialized yet */
 707                 SSL_set_connect_state(s);
 708
 709         return(s->method->ssl_connect(s));
 710         }
 711
 712 long SSL_get_default_timeout(SSL *s)
 713         {
 714         return(s->method->get_timeout());
 715         }
 716
 717 int SSL_read(SSL *s,char *buf,int num)
 718         {
 719         if (s->handshake_func == 0)
 720                 {
 721                 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
 722                 return -1;
 723                 }
 724
 725         if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
 726                 {
 727                 s->rwstate=SSL_NOTHING;
 728                 return(0);
 729                 }
 730         return(s->method->ssl_read(s,buf,num));
 731         }
 732
 733 int SSL_peek(SSL *s,char *buf,int num)
 734         {
 735         if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
 736                 {
 737                 return(0);
 738                 }
 739         return(s->method->ssl_peek(s,buf,num));
 740         }
 741
 742 int SSL_write(SSL *s,const char *buf,int num)
 743         {
 744         if (s->handshake_func == 0)
 745                 {
 746                 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
 747                 return -1;
 748                 }
 749
 750         if (s->shutdown & SSL_SENT_SHUTDOWN)
 751                 {
 752                 s->rwstate=SSL_NOTHING;
 753                 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
 754                 return(-1);
 755                 }
 756         return(s->method->ssl_write(s,buf,num));
 757         }
 758
 759 int SSL_shutdown(SSL *s)
 760         {
 761         /* Note that this function behaves differently from what one might
 762          * expect.  Return values are 0 for no success (yet),
 763          * 1 for success; but calling it once is usually not enough,
 764          * even if blocking I/O is used (see ssl3_shutdown).
 765          */
 766
 767         if (s->handshake_func == 0)
 768                 {
 769                 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
 770                 return -1;
 771                 }
 772
 773         if ((s != NULL) && !SSL_in_init(s))
 774                 return(s->method->ssl_shutdown(s));
 775         else
 776                 return(1);
 777         }
 778
 779 int SSL_renegotiate(SSL *s)
 780         {
 781         s->new_session=1;
 782         return(s->method->ssl_renegotiate(s));
 783         }
 784
 785 long SSL_ctrl(SSL *s,int cmd,long larg,char *parg)
 786         {
 787         long l;
 788
 789         switch (cmd)
 790                 {
 791         case SSL_CTRL_GET_READ_AHEAD:
 792                 return(s->read_ahead);
 793         case SSL_CTRL_SET_READ_AHEAD:
 794                 l=s->read_ahead;
 795                 s->read_ahead=larg;
 796                 return(l);
 797         case SSL_CTRL_OPTIONS:
 798                 return(s->options|=larg);
 799         case SSL_CTRL_MODE:
 800                 return(s->mode|=larg);
 801         default:
 802                 return(s->method->ssl_ctrl(s,cmd,larg,parg));
 803                 }
 804         }
 805
 806 long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
 807         {
 808         switch(cmd)
 809                 {
 810         default:
 811                 return(s->method->ssl_callback_ctrl(s,cmd,fp));
 812                 }
 813         }
 814
 815 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg)
 816         {
 817         long l;
 818
 819         switch (cmd)
 820                 {
 821         case SSL_CTRL_GET_READ_AHEAD:
 822                 return(ctx->read_ahead);
 823         case SSL_CTRL_SET_READ_AHEAD:
 824                 l=ctx->read_ahead;
 825                 ctx->read_ahead=larg;
 826                 return(l);
 827
 828         case SSL_CTRL_SET_SESS_CACHE_SIZE:
 829                 l=ctx->session_cache_size;
 830                 ctx->session_cache_size=larg;
 831                 return(l);
 832         case SSL_CTRL_GET_SESS_CACHE_SIZE:
 833                 return(ctx->session_cache_size);
 834         case SSL_CTRL_SET_SESS_CACHE_MODE:
 835                 l=ctx->session_cache_mode;
 836                 ctx->session_cache_mode=larg;
 837                 return(l);
 838         case SSL_CTRL_GET_SESS_CACHE_MODE:
 839                 return(ctx->session_cache_mode);
 840
 841         case SSL_CTRL_SESS_NUMBER:
 842                 return(ctx->sessions->num_items);
 843         case SSL_CTRL_SESS_CONNECT:
 844                 return(ctx->stats.sess_connect);
 845         case SSL_CTRL_SESS_CONNECT_GOOD:
 846                 return(ctx->stats.sess_connect_good);
 847         case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
 848                 return(ctx->stats.sess_connect_renegotiate);
 849         case SSL_CTRL_SESS_ACCEPT:
 850                 return(ctx->stats.sess_accept);
 851         case SSL_CTRL_SESS_ACCEPT_GOOD:
 852                 return(ctx->stats.sess_accept_good);
 853         case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
 854                 return(ctx->stats.sess_accept_renegotiate);
 855         case SSL_CTRL_SESS_HIT:
 856                 return(ctx->stats.sess_hit);
 857         case SSL_CTRL_SESS_CB_HIT:
 858                 return(ctx->stats.sess_cb_hit);
 859         case SSL_CTRL_SESS_MISSES:
 860                 return(ctx->stats.sess_miss);
 861         case SSL_CTRL_SESS_TIMEOUTS:
 862                 return(ctx->stats.sess_timeout);
 863         case SSL_CTRL_SESS_CACHE_FULL:
 864                 return(ctx->stats.sess_cache_full);
 865         case SSL_CTRL_OPTIONS:
 866                 return(ctx->options|=larg);
 867         case SSL_CTRL_MODE:
 868                 return(ctx->mode|=larg);
 869         default:
 870                 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
 871                 }
 872         }
 873
 874 long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
 875         {
 876         switch(cmd)
 877                 {
 878         default:
 879                 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
 880                 }
 881         }
 882
 883 int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b)
 884         {
 885         long l;
 886
 887         l=a->id-b->id;
 888         if (l == 0L)
 889                 return(0);
 890         else
 891                 return((l > 0)?1:-1);
 892         }
 893
 894 int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp)
 895         {
 896         long l;
 897
 898         l=(*ap)->id-(*bp)->id;
 899         if (l == 0L)
 900                 return(0);
 901         else
 902                 return((l > 0)?1:-1);
 903         }
 904
 905 /** return a STACK of the ciphers available for the SSL and in order of
 906  * preference */
 907 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
 908         {
 909         if ((s != NULL) && (s->cipher_list != NULL))
 910                 {
 911                 return(s->cipher_list);
 912                 }
 913         else if ((s->ctx != NULL) &&
 914                 (s->ctx->cipher_list != NULL))
 915                 {
 916                 return(s->ctx->cipher_list);
 917                 }
 918         return(NULL);
 919         }
 920
 921 /** return a STACK of the ciphers available for the SSL and in order of
 922  * algorithm id */
 923 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
 924         {
 925         if ((s != NULL) && (s->cipher_list_by_id != NULL))
 926                 {
 927                 return(s->cipher_list_by_id);
 928                 }
 929         else if ((s != NULL) && (s->ctx != NULL) &&
 930                 (s->ctx->cipher_list_by_id != NULL))
 931                 {
 932                 return(s->ctx->cipher_list_by_id);
 933                 }
 934         return(NULL);
 935         }
 936
 937 /** The old interface to get the same thing as SSL_get_ciphers() */
 938 const char *SSL_get_cipher_list(SSL *s,int n)
 939         {
 940         SSL_CIPHER *c;
 941         STACK_OF(SSL_CIPHER) *sk;
 942
 943         if (s == NULL) return(NULL);
 944         sk=SSL_get_ciphers(s);
 945         if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
 946                 return(NULL);
 947         c=sk_SSL_CIPHER_value(sk,n);
 948         if (c == NULL) return(NULL);
 949         return(c->name);
 950         }
 951
 952 /** specify the ciphers to be used by default by the SSL_CTX */
 953 int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
 954         {
 955         STACK_OF(SSL_CIPHER) *sk;
 956
 957         sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
 958                 &ctx->cipher_list_by_id,str);
 959 /* XXXX */
 960         return((sk == NULL)?0:1);
 961         }
 962
 963 /** specify the ciphers to be used by the SSL */
 964 int SSL_set_cipher_list(SSL *s,const char *str)
 965         {
 966         STACK_OF(SSL_CIPHER) *sk;
 967
 968         sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
 969                 &s->cipher_list_by_id,str);
 970 /* XXXX */
 971         return((sk == NULL)?0:1);
 972         }
 973
 974 /* works well for SSLv2, not so good for SSLv3 */
 975 char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
 976         {
 977         char *p;
 978         const char *cp;
 979         STACK_OF(SSL_CIPHER) *sk;
 980         SSL_CIPHER *c;
 981         int i;
 982
 983         if ((s->session == NULL) || (s->session->ciphers == NULL) ||
 984                 (len < 2))
 985                 return(NULL);
 986
 987         p=buf;
 988         sk=s->session->ciphers;
 989         for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
 990                 {
 991                 /* Decrement for either the ':' or a '\0' */
 992                 len--;
 993                 c=sk_SSL_CIPHER_value(sk,i);
 994                 for (cp=c->name; *cp; )
 995                         {
 996                         if (len-- == 0)
 997                                 {
 998                                 *p='\0';
 999                                 return(buf);
1000                                 }
1001                         else
1002                                 *(p++)= *(cp++);
1003                         }
1004                 *(p++)=':';
1005                 }
1006         p[-1]='\0';
1007         return(buf);
1008         }
1009
1010 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
1011         {
1012         int i,j=0;
1013         SSL_CIPHER *c;
1014         unsigned char *q;
1015
1016         if (sk == NULL) return(0);
1017         q=p;
1018
1019         for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1020                 {
1021                 c=sk_SSL_CIPHER_value(sk,i);
1022                 j=ssl_put_cipher_by_char(s,c,p);
1023                 p+=j;
1024                 }
1025         return(p-q);
1026         }
1027
1028 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1029                                                STACK_OF(SSL_CIPHER) **skp)
1030         {
1031         SSL_CIPHER *c;
1032         STACK_OF(SSL_CIPHER) *sk;
1033         int i,n;
1034
1035         n=ssl_put_cipher_by_char(s,NULL,NULL);
1036         if ((num%n) != 0)
1037                 {
1038                 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1039                 return(NULL);
1040                 }
1041         if ((skp == NULL) || (*skp == NULL))
1042                 sk=sk_SSL_CIPHER_new(NULL); /* change perhaps later */
1043         else
1044                 {
1045                 sk= *skp;
1046                 sk_SSL_CIPHER_zero(sk);
1047                 }
1048
1049         for (i=0; i<num; i+=n)
1050                 {
1051                 c=ssl_get_cipher_by_char(s,p);
1052                 p+=n;
1053                 if (c != NULL)
1054                         {
1055                         if (!sk_SSL_CIPHER_push(sk,c))
1056                                 {
1057                                 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1058                                 goto err;
1059                                 }
1060                         }
1061                 }
1062
1063         if (skp != NULL)
1064                 *skp=sk;
1065         return(sk);
1066 err:
1067         if ((skp == NULL) || (*skp == NULL))
1068                 sk_SSL_CIPHER_free(sk);
1069         return(NULL);
1070         }
1071
1072 unsigned long SSL_SESSION_hash(SSL_SESSION *a)
1073         {
1074         unsigned long l;
1075
1076         l=(unsigned long)
1077                 ((unsigned int) a->session_id[0]     )|
1078                 ((unsigned int) a->session_id[1]<< 8L)|
1079                 ((unsigned long)a->session_id[2]<<16L)|
1080                 ((unsigned long)a->session_id[3]<<24L);
1081         return(l);
1082         }
1083
1084 int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
1085         {
1086         if (a->ssl_version != b->ssl_version)
1087                 return(1);
1088         if (a->session_id_length != b->session_id_length)
1089                 return(1);
1090         return(memcmp(a->session_id,b->session_id,a->session_id_length));
1091         }
1092
1093 SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
1094         {
1095         SSL_CTX *ret=NULL;
1096
1097         if (meth == NULL)
1098                 {
1099                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1100                 return(NULL);
1101                 }
1102
1103         if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1104                 {
1105                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1106                 goto err;
1107                 }
1108         ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX));
1109         if (ret == NULL)
1110                 goto err;
1111
1112         memset(ret,0,sizeof(SSL_CTX));
1113
1114         ret->method=meth;
1115
1116         ret->cert_store=NULL;
1117         ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1118         ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1119         ret->session_cache_head=NULL;
1120         ret->session_cache_tail=NULL;
1121
1122         /* We take the system default */
1123         ret->session_timeout=meth->get_timeout();
1124
1125         ret->new_session_cb=NULL;
1126         ret->remove_session_cb=NULL;
1127         ret->get_session_cb=NULL;
1128
1129         memset((char *)&ret->stats,0,sizeof(ret->stats));
1130
1131         ret->references=1;
1132         ret->quiet_shutdown=0;
1133
1134 /*      ret->cipher=NULL;*/
1135 /*      ret->s2->challenge=NULL;
1136         ret->master_key=NULL;
1137         ret->key_arg=NULL;
1138         ret->s2->conn_id=NULL; */
1139
1140         ret->info_callback=NULL;
1141
1142         ret->app_verify_callback=NULL;
1143         ret->app_verify_arg=NULL;
1144
1145         ret->read_ahead=0;
1146         ret->verify_mode=SSL_VERIFY_NONE;
1147         ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1148         ret->default_verify_callback=NULL;
1149         if ((ret->cert=ssl_cert_new()) == NULL)
1150                 goto err;
1151
1152         ret->default_passwd_callback=NULL;
1153         ret->default_passwd_callback_userdata=NULL;
1154         ret->client_cert_cb=NULL;
1155
1156         ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp);
1157         if (ret->sessions == NULL) goto err;
1158         ret->cert_store=X509_STORE_new();
1159         if (ret->cert_store == NULL) goto err;
1160
1161         ssl_create_cipher_list(ret->method,
1162                 &ret->cipher_list,&ret->cipher_list_by_id,
1163                 SSL_DEFAULT_CIPHER_LIST);
1164         if (ret->cipher_list == NULL
1165             || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1166                 {
1167                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1168                 goto err2;
1169                 }
1170
1171         if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1172                 {
1173                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1174                 goto err2;
1175                 }
1176         if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1177                 {
1178                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1179                 goto err2;
1180                 }
1181         if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1182                 {
1183                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1184                 goto err2;
1185                 }
1186
1187         if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1188                 goto err;
1189
1190         CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data);
1191
1192         ret->extra_certs=NULL;
1193         ret->comp_methods=SSL_COMP_get_compression_methods();
1194
1195         return(ret);
1196 err:
1197         SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1198 err2:
1199         if (ret != NULL) SSL_CTX_free(ret);
1200         return(NULL);
1201         }
1202
1203 static void SSL_COMP_free(SSL_COMP *comp)
1204     { Free(comp); }
1205
1206 void SSL_CTX_free(SSL_CTX *a)
1207         {
1208         int i;
1209
1210         if (a == NULL) return;
1211
1212         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1213 #ifdef REF_PRINT
1214         REF_PRINT("SSL_CTX",a);
1215 #endif
1216         if (i > 0) return;
1217 #ifdef REF_CHECK
1218         if (i < 0)
1219                 {
1220                 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1221                 abort(); /* ok */
1222                 }
1223 #endif
1224         CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data);
1225
1226         if (a->sessions != NULL)
1227                 {
1228                 SSL_CTX_flush_sessions(a,0);
1229                 lh_free(a->sessions);
1230                 }
1231         if (a->cert_store != NULL)
1232                 X509_STORE_free(a->cert_store);
1233         if (a->cipher_list != NULL)
1234                 sk_SSL_CIPHER_free(a->cipher_list);
1235         if (a->cipher_list_by_id != NULL)
1236                 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1237         if (a->cert != NULL)
1238                 ssl_cert_free(a->cert);
1239         if (a->client_CA != NULL)
1240                 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1241         if (a->extra_certs != NULL)
1242                 sk_X509_pop_free(a->extra_certs,X509_free);
1243         if (a->comp_methods != NULL)
1244                 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1245         Free(a);
1246         }
1247
1248 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1249         {
1250         ctx->default_passwd_callback=cb;
1251         }
1252
1253 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1254         {
1255         ctx->default_passwd_callback_userdata=u;
1256         }
1257
1258 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,int (*cb)(),char *arg)
1259         {
1260         /* now
1261          *     int (*cb)(X509_STORE_CTX *),
1262          * but should be
1263          *     int (*cb)(X509_STORE_CTX *, void *arg)
1264          */
1265         ctx->app_verify_callback=cb;
1266         ctx->app_verify_arg=arg; /* never used */
1267         }
1268
1269 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1270         {
1271         ctx->verify_mode=mode;
1272         ctx->default_verify_callback=cb;
1273         /* This needs cleaning up EAY EAY EAY */
1274         X509_STORE_set_verify_cb_func(ctx->cert_store,cb);
1275         }
1276
1277 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1278         {
1279         ctx->verify_depth=depth;
1280         }
1281
1282 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1283         {
1284         CERT_PKEY *cpk;
1285         int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1286         int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1287         int rsa_tmp_export,dh_tmp_export,kl;
1288         unsigned long mask,emask;
1289
1290         if (c == NULL) return;
1291
1292         kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1293
1294 #ifndef NO_RSA
1295         rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1296         rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1297                 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1298 #else
1299         rsa_tmp=rsa_tmp_export=0;
1300 #endif
1301 #ifndef NO_DH
1302         dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1303         dh_tmp_export=(c->dh_tmp_cb != NULL ||
1304                 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1305 #else
1306         dh_tmp=dh_tmp_export=0;
1307 #endif
1308
1309         cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1310         rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1311         rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1312         cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1313         rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1314         cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1315         dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1316         cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1317         dh_rsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);
1318         dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1319         cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1320 /* FIX THIS EAY EAY EAY */
1321         dh_dsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);
1322         dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1323
1324         mask=0;
1325         emask=0;
1326
1327 #ifdef CIPHER_DEBUG
1328         printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1329                 rsa_tmp,rsa_tmp_export,dh_tmp,
1330                 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1331 #endif
1332
1333         if (rsa_enc || (rsa_tmp && rsa_sign))
1334                 mask|=SSL_kRSA;
1335         if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1336                 emask|=SSL_kRSA;
1337
1338 #if 0
1339         /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1340         if (    (dh_tmp || dh_rsa || dh_dsa) &&
1341                 (rsa_enc || rsa_sign || dsa_sign))
1342                 mask|=SSL_kEDH;
1343         if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1344                 (rsa_enc || rsa_sign || dsa_sign))
1345                 emask|=SSL_kEDH;
1346 #endif
1347
1348         if (dh_tmp_export)
1349                 emask|=SSL_kEDH;
1350
1351         if (dh_tmp)
1352                 mask|=SSL_kEDH;
1353
1354         if (dh_rsa) mask|=SSL_kDHr;
1355         if (dh_rsa_export) emask|=SSL_kDHr;
1356
1357         if (dh_dsa) mask|=SSL_kDHd;
1358         if (dh_dsa_export) emask|=SSL_kDHd;
1359
1360         if (rsa_enc || rsa_sign)
1361                 {
1362                 mask|=SSL_aRSA;
1363                 emask|=SSL_aRSA;
1364                 }
1365
1366         if (dsa_sign)
1367                 {
1368                 mask|=SSL_aDSS;
1369                 emask|=SSL_aDSS;
1370                 }
1371
1372         mask|=SSL_aNULL;
1373         emask|=SSL_aNULL;
1374
1375         c->mask=mask;
1376         c->export_mask=emask;
1377         c->valid=1;
1378         }
1379
1380 /* THIS NEEDS CLEANING UP */
1381 X509 *ssl_get_server_send_cert(SSL *s)
1382         {
1383         unsigned long alg,mask,kalg;
1384         CERT *c;
1385         int i,is_export;
1386
1387         c=s->cert;
1388         ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1389         alg=s->s3->tmp.new_cipher->algorithms;
1390         is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
1391         mask=is_export?c->export_mask:c->mask;
1392         kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1393
1394         if      (kalg & SSL_kDHr)
1395                 i=SSL_PKEY_DH_RSA;
1396         else if (kalg & SSL_kDHd)
1397                 i=SSL_PKEY_DH_DSA;
1398         else if (kalg & SSL_aDSS)
1399                 i=SSL_PKEY_DSA_SIGN;
1400         else if (kalg & SSL_aRSA)
1401                 {
1402                 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1403                         i=SSL_PKEY_RSA_SIGN;
1404                 else
1405                         i=SSL_PKEY_RSA_ENC;
1406                 }
1407         else /* if (kalg & SSL_aNULL) */
1408                 {
1409                 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR);
1410                 return(NULL);
1411                 }
1412         if (c->pkeys[i].x509 == NULL) return(NULL);
1413         return(c->pkeys[i].x509);
1414         }
1415
1416 EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1417         {
1418         unsigned long alg;
1419         CERT *c;
1420
1421         alg=cipher->algorithms;
1422         c=s->cert;
1423
1424         if ((alg & SSL_aDSS) &&
1425                 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1426                 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1427         else if (alg & SSL_aRSA)
1428                 {
1429                 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1430                         return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1431                 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1432                         return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1433                 else
1434                         return(NULL);
1435                 }
1436         else /* if (alg & SSL_aNULL) */
1437                 {
1438                 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR);
1439                 return(NULL);
1440                 }
1441         }
1442
1443 void ssl_update_cache(SSL *s,int mode)
1444         {
1445         int i;
1446
1447         /* If the session_id_length is 0, we are not supposed to cache it,
1448          * and it would be rather hard to do anyway :-) */
1449         if (s->session->session_id_length == 0) return;
1450
1451         if ((s->ctx->session_cache_mode & mode)
1452                 && (!s->hit)
1453                 && SSL_CTX_add_session(s->ctx,s->session)
1454                 && (s->ctx->new_session_cb != NULL))
1455                 {
1456                 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1457                 if (!s->ctx->new_session_cb(s,s->session))
1458                         SSL_SESSION_free(s->session);
1459                 }
1460
1461         /* auto flush every 255 connections */
1462         i=s->ctx->session_cache_mode;
1463         if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1464                 ((i & mode) == mode))
1465                 {
1466                 if (  (((mode & SSL_SESS_CACHE_CLIENT)
1467                         ?s->ctx->stats.sess_connect_good
1468                         :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1469                         {
1470                         SSL_CTX_flush_sessions(s->ctx,time(NULL));
1471                         }
1472                 }
1473         }
1474
1475 SSL_METHOD *SSL_get_ssl_method(SSL *s)
1476         {
1477         return(s->method);
1478         }
1479
1480 int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
1481         {
1482         int conn= -1;
1483         int ret=1;
1484
1485         if (s->method != meth)
1486                 {
1487                 if (s->handshake_func != NULL)
1488                         conn=(s->handshake_func == s->method->ssl_connect);
1489
1490                 if (s->method->version == meth->version)
1491                         s->method=meth;
1492                 else
1493                         {
1494                         s->method->ssl_free(s);
1495                         s->method=meth;
1496                         ret=s->method->ssl_new(s);
1497                         }
1498
1499                 if (conn == 1)
1500                         s->handshake_func=meth->ssl_connect;
1501                 else if (conn == 0)
1502                         s->handshake_func=meth->ssl_accept;
1503                 }
1504         return(ret);
1505         }
1506
1507 int SSL_get_error(SSL *s,int i)
1508         {
1509         int reason;
1510         unsigned long l;
1511         BIO *bio;
1512
1513         if (i > 0) return(SSL_ERROR_NONE);
1514
1515         /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1516          * etc, where we do encode the error */
1517         if ((l=ERR_peek_error()) != 0)
1518                 {
1519                 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1520                         return(SSL_ERROR_SYSCALL);
1521                 else
1522                         return(SSL_ERROR_SSL);
1523                 }
1524
1525         if ((i < 0) && SSL_want_read(s))
1526                 {
1527                 bio=SSL_get_rbio(s);
1528                 if (BIO_should_read(bio))
1529                         return(SSL_ERROR_WANT_READ);
1530                 else if (BIO_should_write(bio))
1531                         /* This one doesn't make too much sense ... We never try
1532                          * to write to the rbio, and an application program where
1533                          * rbio and wbio are separate couldn't even know what it
1534                          * should wait for.
1535                          * However if we ever set s->rwstate incorrectly
1536                          * (so that we have SSL_want_read(s) instead of
1537                          * SSL_want_write(s)) and rbio and wbio *are* the same,
1538                          * this test works around that bug; so it might be safer
1539                          * to keep it. */
1540                         return(SSL_ERROR_WANT_WRITE);
1541                 else if (BIO_should_io_special(bio))
1542                         {
1543                         reason=BIO_get_retry_reason(bio);
1544                         if (reason == BIO_RR_CONNECT)
1545                                 return(SSL_ERROR_WANT_CONNECT);
1546                         else
1547                                 return(SSL_ERROR_SYSCALL); /* unknown */
1548                         }
1549                 }
1550
1551         if ((i < 0) && SSL_want_write(s))
1552                 {
1553                 bio=SSL_get_wbio(s);
1554                 if (BIO_should_write(bio))
1555                         return(SSL_ERROR_WANT_WRITE);
1556                 else if (BIO_should_read(bio))
1557                         /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
1558                         return(SSL_ERROR_WANT_READ);
1559                 else if (BIO_should_io_special(bio))
1560                         {
1561                         reason=BIO_get_retry_reason(bio);
1562                         if (reason == BIO_RR_CONNECT)
1563                                 return(SSL_ERROR_WANT_CONNECT);
1564                         else
1565                                 return(SSL_ERROR_SYSCALL);
1566                         }
1567                 }
1568         if ((i < 0) && SSL_want_x509_lookup(s))
1569                 {
1570                 return(SSL_ERROR_WANT_X509_LOOKUP);
1571                 }
1572
1573         if (i == 0)
1574                 {
1575                 if (s->version == SSL2_VERSION)
1576                         {
1577                         /* assume it is the socket being closed */
1578                         return(SSL_ERROR_ZERO_RETURN);
1579                         }
1580                 else
1581                         {
1582                         if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
1583                                 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
1584                                 return(SSL_ERROR_ZERO_RETURN);
1585                         }
1586                 }
1587         return(SSL_ERROR_SYSCALL);
1588         }
1589
1590 int SSL_do_handshake(SSL *s)
1591         {
1592         int ret=1;
1593
1594         if (s->handshake_func == NULL)
1595                 {
1596                 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
1597                 return(-1);
1598                 }
1599
1600         s->method->ssl_renegotiate_check(s);
1601
1602         if (SSL_in_init(s) || SSL_in_before(s))
1603                 {
1604                 ret=s->handshake_func(s);
1605                 }
1606         return(ret);
1607         }
1608
1609 /* For the next 2 functions, SSL_clear() sets shutdown and so
1610  * one of these calls will reset it */
1611 void SSL_set_accept_state(SSL *s)
1612         {
1613         s->server=1;
1614         s->shutdown=0;
1615         s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
1616         s->handshake_func=s->method->ssl_accept;
1617         /* clear the current cipher */
1618         ssl_clear_cipher_ctx(s);
1619         }
1620
1621 void SSL_set_connect_state(SSL *s)
1622         {
1623         s->server=0;
1624         s->shutdown=0;
1625         s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
1626         s->handshake_func=s->method->ssl_connect;
1627         /* clear the current cipher */
1628         ssl_clear_cipher_ctx(s);
1629         }
1630
1631 int ssl_undefined_function(SSL *s)
1632         {
1633         SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1634         return(0);
1635         }
1636
1637 SSL_METHOD *ssl_bad_method(int ver)
1638         {
1639         SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1640         return(NULL);
1641         }
1642
1643 const char *SSL_get_version(SSL *s)
1644         {
1645         if (s->version == TLS1_VERSION)
1646                 return("TLSv1");
1647         else if (s->version == SSL3_VERSION)
1648                 return("SSLv3");
1649         else if (s->version == SSL2_VERSION)
1650                 return("SSLv2");
1651         else
1652                 return("unknown");
1653         }
1654
1655 SSL *SSL_dup(SSL *s)
1656         {
1657         STACK_OF(X509_NAME) *sk;
1658         X509_NAME *xn;
1659         SSL *ret;
1660         int i;
1661
1662         if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
1663             return(NULL);
1664
1665         if (s->session != NULL)
1666                 {
1667                 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
1668                 SSL_copy_session_id(ret,s);
1669                 }
1670         else
1671                 {
1672                 /* No session has been established yet, so we have to expect
1673                  * that s->cert or ret->cert will be changed later --
1674                  * they should not both point to the same object,
1675                  * and thus we can't use SSL_copy_session_id. */
1676
1677                 ret->method = s->method;
1678                 ret->method->ssl_new(ret);
1679
1680                 if (s->cert != NULL)
1681                         {
1682                         ret->cert = ssl_cert_dup(s->cert);
1683                         if (ret->cert == NULL)
1684                                 goto err;
1685                         }
1686
1687                 SSL_set_session_id_context(ret,
1688                         s->sid_ctx, s->sid_ctx_length);
1689                 }
1690
1691         SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
1692         SSL_set_verify(ret,SSL_get_verify_mode(s),
1693                 SSL_get_verify_callback(s));
1694         SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
1695
1696         SSL_set_info_callback(ret,SSL_get_info_callback(s));
1697
1698         ret->debug=s->debug;
1699         ret->options=s->options;
1700
1701         /* copy app data, a little dangerous perhaps */
1702         if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data))
1703                 goto err;
1704
1705         /* setup rbio, and wbio */
1706         if (s->rbio != NULL)
1707                 {
1708                 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
1709                         goto err;
1710                 }
1711         if (s->wbio != NULL)
1712                 {
1713                 if (s->wbio != s->rbio)
1714                         {
1715                         if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
1716                                 goto err;
1717                         }
1718                 else
1719                         ret->wbio=ret->rbio;
1720                 }
1721
1722         /* dup the cipher_list and cipher_list_by_id stacks */
1723         if (s->cipher_list != NULL)
1724                 {
1725                 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
1726                         goto err;
1727                 }
1728         if (s->cipher_list_by_id != NULL)
1729                 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
1730                         == NULL)
1731                         goto err;
1732
1733         /* Dup the client_CA list */
1734         if (s->client_CA != NULL)
1735                 {
1736                 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
1737                 ret->client_CA=sk;
1738                 for (i=0; i<sk_X509_NAME_num(sk); i++)
1739                         {
1740                         xn=sk_X509_NAME_value(sk,i);
1741                         if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
1742                                 {
1743                                 X509_NAME_free(xn);
1744                                 goto err;
1745                                 }
1746                         }
1747                 }
1748
1749         ret->shutdown=s->shutdown;
1750         ret->state=s->state;
1751         ret->handshake_func=s->handshake_func;
1752         ret->server=s->server;
1753
1754         if (0)
1755                 {
1756 err:
1757                 if (ret != NULL) SSL_free(ret);
1758                 ret=NULL;
1759                 }
1760         return(ret);
1761         }
1762
1763 void ssl_clear_cipher_ctx(SSL *s)
1764         {
1765         if (s->enc_read_ctx != NULL)
1766                 {
1767                 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
1768                 Free(s->enc_read_ctx);
1769                 s->enc_read_ctx=NULL;
1770                 }
1771         if (s->enc_write_ctx != NULL)
1772                 {
1773                 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
1774                 Free(s->enc_write_ctx);
1775                 s->enc_write_ctx=NULL;
1776                 }
1777         if (s->expand != NULL)
1778                 {
1779                 COMP_CTX_free(s->expand);
1780                 s->expand=NULL;
1781                 }
1782         if (s->compress != NULL)
1783                 {
1784                 COMP_CTX_free(s->compress);
1785                 s->compress=NULL;
1786                 }
1787         }
1788
1789 /* Fix this function so that it takes an optional type parameter */
1790 X509 *SSL_get_certificate(SSL *s)
1791         {
1792         if (s->cert != NULL)
1793                 return(s->cert->key->x509);
1794         else
1795                 return(NULL);
1796         }
1797
1798 /* Fix this function so that it takes an optional type parameter */
1799 EVP_PKEY *SSL_get_privatekey(SSL *s)
1800         {
1801         if (s->cert != NULL)
1802                 return(s->cert->key->privatekey);
1803         else
1804                 return(NULL);
1805         }
1806
1807 SSL_CIPHER *SSL_get_current_cipher(SSL *s)
1808         {
1809         if ((s->session != NULL) && (s->session->cipher != NULL))
1810                 return(s->session->cipher);
1811         return(NULL);
1812         }
1813
1814 int ssl_init_wbio_buffer(SSL *s,int push)
1815         {
1816         BIO *bbio;
1817
1818         if (s->bbio == NULL)
1819                 {
1820                 bbio=BIO_new(BIO_f_buffer());
1821                 if (bbio == NULL) return(0);
1822                 s->bbio=bbio;
1823                 }
1824         else
1825                 {
1826                 bbio=s->bbio;
1827                 if (s->bbio == s->wbio)
1828                         s->wbio=BIO_pop(s->wbio);
1829                 }
1830         (void)BIO_reset(bbio);
1831 /*      if (!BIO_set_write_buffer_size(bbio,16*1024)) */
1832         if (!BIO_set_read_buffer_size(bbio,1))
1833                 {
1834                 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
1835                 return(0);
1836                 }
1837         if (push)
1838                 {
1839                 if (s->wbio != bbio)
1840                         s->wbio=BIO_push(bbio,s->wbio);
1841                 }
1842         else
1843                 {
1844                 if (s->wbio == bbio)
1845                         s->wbio=BIO_pop(bbio);
1846                 }
1847         return(1);
1848         }
1849
1850 void ssl_free_wbio_buffer(SSL *s)
1851         {
1852         BIO *under;
1853
1854         if (s->bbio == NULL) return;
1855
1856         if (s->bbio == s->wbio)
1857                 {
1858                 /* remove buffering */
1859                 under=BIO_pop(s->wbio);
1860                 if (under != NULL)
1861                         s->wbio=under;
1862                 else
1863                         abort(); /* ok */
1864                 }
1865         BIO_free(s->bbio);
1866         s->bbio=NULL;
1867         }
1868
1869 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
1870         {
1871         ctx->quiet_shutdown=mode;
1872         }
1873
1874 int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
1875         {
1876         return(ctx->quiet_shutdown);
1877         }
1878
1879 void SSL_set_quiet_shutdown(SSL *s,int mode)
1880         {
1881         s->quiet_shutdown=mode;
1882         }
1883
1884 int SSL_get_quiet_shutdown(SSL *s)
1885         {
1886         return(s->quiet_shutdown);
1887         }
1888
1889 void SSL_set_shutdown(SSL *s,int mode)
1890         {
1891         s->shutdown=mode;
1892         }
1893
1894 int SSL_get_shutdown(SSL *s)
1895         {
1896         return(s->shutdown);
1897         }
1898
1899 int SSL_version(SSL *s)
1900         {
1901         return(s->version);
1902         }
1903
1904 SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
1905         {
1906         return(ssl->ctx);
1907         }
1908
1909 #ifndef NO_STDIO
1910 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
1911         {
1912         return(X509_STORE_set_default_paths(ctx->cert_store));
1913         }
1914
1915 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1916                 const char *CApath)
1917         {
1918         return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
1919         }
1920 #endif
1921
1922 void SSL_set_info_callback(SSL *ssl,void (*cb)())
1923         {
1924         ssl->info_callback=cb;
1925         }
1926
1927 void (*SSL_get_info_callback(SSL *ssl))(void)
1928         {
1929         return((void (*)())ssl->info_callback);
1930         }
1931
1932 int SSL_state(SSL *ssl)
1933         {
1934         return(ssl->state);
1935         }
1936
1937 void SSL_set_verify_result(SSL *ssl,long arg)
1938         {
1939         ssl->verify_result=arg;
1940         }
1941
1942 long SSL_get_verify_result(SSL *ssl)
1943         {
1944         return(ssl->verify_result);
1945         }
1946
1947 int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
1948                          CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
1949         {
1950         ssl_meth_num++;
1951         return(CRYPTO_get_ex_new_index(ssl_meth_num-1,
1952                 &ssl_meth,argl,argp,new_func,dup_func,free_func));
1953         }
1954
1955 int SSL_set_ex_data(SSL *s,int idx,void *arg)
1956         {
1957         return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1958         }
1959
1960 void *SSL_get_ex_data(SSL *s,int idx)
1961         {
1962         return(CRYPTO_get_ex_data(&s->ex_data,idx));
1963         }
1964
1965 int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
1966                              CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
1967         {
1968         ssl_ctx_meth_num++;
1969         return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1,
1970                 &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func));
1971         }
1972
1973 int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
1974         {
1975         return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1976         }
1977
1978 void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
1979         {
1980         return(CRYPTO_get_ex_data(&s->ex_data,idx));
1981         }
1982
1983 int ssl_ok(SSL *s)
1984         {
1985         return(1);
1986         }
1987
1988 X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
1989         {
1990         return(ctx->cert_store);
1991         }
1992
1993 void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
1994         {
1995         if (ctx->cert_store != NULL)
1996                 X509_STORE_free(ctx->cert_store);
1997         ctx->cert_store=store;
1998         }
1999
2000 int SSL_want(SSL *s)
2001         {
2002         return(s->rwstate);
2003         }
2004
2005 /*!
2006  * \brief Set the callback for generating temporary RSA keys.
2007  * \param ctx the SSL context.
2008  * \param cb the callback
2009  */
2010
2011 #ifndef NO_RSA
2012 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
2013                                                           int is_export,
2014                                                           int keylength))
2015     {
2016     SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2017     }
2018
2019 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
2020                                                   int is_export,
2021                                                   int keylength))
2022     {
2023     SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2024     }
2025 #endif
2026
2027 #ifdef DOXYGEN
2028 /*!
2029  * \brief The RSA temporary key callback function.
2030  * \param ssl the SSL session.
2031  * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2032  * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2033  * of the required key in bits.
2034  * \return the temporary RSA key.
2035  * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2036  */
2037
2038 RSA *cb(SSL *ssl,int is_export,int keylength)
2039     {}
2040 #endif
2041
2042 /*!
2043  * \brief Set the callback for generating temporary DH keys.
2044  * \param ctx the SSL context.
2045  * \param dh the callback
2046  */
2047
2048 #ifndef NO_DH
2049 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
2050                                                         int keylength))
2051     {
2052     SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2053     }
2054
2055 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
2056                                                 int keylength))
2057     {
2058     SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2059     }
2060 #endif
2061
2062 #if defined(_WINDLL) && defined(WIN16)
2063 #include "../crypto/bio/bss_file.c"
2064 #endif
2065
2066 IMPLEMENT_STACK_OF(SSL_CIPHER)
2067 IMPLEMENT_STACK_OF(SSL_COMP)