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 #ifndef NO_DH
  93 union dh_fn_to_char_u
  94         {
  95         char *char_p;
  96         DH *(*fn_p)(SSL *, int, int);
  97         };
  98 #endif
  99
 100 int SSL_clear(SSL *s)
 101         {
 102         int state;
 103
 104         if (s->method == NULL)
 105                 {
 106                 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
 107                 return(0);
 108                 }
 109
 110         s->error=0;
 111         s->hit=0;
 112         s->shutdown=0;
 113
 114 #if 0 /* Disabled since version 1.10 of this file (early return not
 115        * needed because SSL_clear is not called when doing renegotiation) */
 116         /* This is set if we are doing dynamic renegotiation so keep
 117          * the old cipher.  It is sort of a SSL_clear_lite :-) */
 118         if (s->new_session) return(1);
 119 #else
 120         if (s->new_session)
 121                 {
 122                 SSLerr(SSL_F_SSL_CLEAR,SSL_R_INTERNAL_ERROR);
 123                 return 0;
 124                 }
 125 #endif
 126
 127         state=s->state; /* Keep to check if we throw away the session-id */
 128         s->type=0;
 129
 130         s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
 131
 132         s->version=s->method->version;
 133         s->client_version=s->version;
 134         s->rwstate=SSL_NOTHING;
 135         s->rstate=SSL_ST_READ_HEADER;
 136         s->read_ahead=s->ctx->read_ahead;
 137
 138         if (s->init_buf != NULL)
 139                 {
 140                 BUF_MEM_free(s->init_buf);
 141                 s->init_buf=NULL;
 142                 }
 143
 144         ssl_clear_cipher_ctx(s);
 145
 146         if (ssl_clear_bad_session(s))
 147                 {
 148                 SSL_SESSION_free(s->session);
 149                 s->session=NULL;
 150                 }
 151
 152         s->first_packet=0;
 153
 154 #if 1
 155         /* Check to see if we were changed into a different method, if
 156          * so, revert back if we are not doing session-id reuse. */
 157         if ((s->session == NULL) && (s->method != s->ctx->method))
 158                 {
 159                 s->method->ssl_free(s);
 160                 s->method=s->ctx->method;
 161                 if (!s->method->ssl_new(s))
 162                         return(0);
 163                 }
 164         else
 165 #endif
 166                 s->method->ssl_clear(s);
 167         return(1);
 168         }
 169
 170 /** Used to change an SSL_CTXs default SSL method type */
 171 int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
 172         {
 173         STACK_OF(SSL_CIPHER) *sk;
 174
 175         ctx->method=meth;
 176
 177         sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
 178                 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
 179         if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
 180                 {
 181                 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
 182                 return(0);
 183                 }
 184         return(1);
 185         }
 186
 187 SSL *SSL_new(SSL_CTX *ctx)
 188         {
 189         SSL *s;
 190
 191         if (ctx == NULL)
 192                 {
 193                 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
 194                 return(NULL);
 195                 }
 196         if (ctx->method == NULL)
 197                 {
 198                 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
 199                 return(NULL);
 200                 }
 201
 202         s=(SSL *)Malloc(sizeof(SSL));
 203         if (s == NULL) goto err;
 204         memset(s,0,sizeof(SSL));
 205
 206         if (ctx->cert != NULL)
 207                 {
 208                 /* Earlier library versions used to copy the pointer to
 209                  * the CERT, not its contents; only when setting new
 210                  * parameters for the per-SSL copy, ssl_cert_new would be
 211                  * called (and the direct reference to the per-SSL_CTX
 212                  * settings would be lost, but those still were indirectly
 213                  * accessed for various purposes, and for that reason they
 214                  * used to be known as s->ctx->default_cert).
 215                  * Now we don't look at the SSL_CTX's CERT after having
 216                  * duplicated it once. */
 217
 218                 s->cert = ssl_cert_dup(ctx->cert);
 219                 if (s->cert == NULL)
 220                         goto err;
 221                 }
 222         else
 223                 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
 224         s->sid_ctx_length=ctx->sid_ctx_length;
 225         memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
 226         s->verify_mode=ctx->verify_mode;
 227         s->verify_depth=ctx->verify_depth;
 228         s->verify_callback=ctx->default_verify_callback;
 229         s->purpose = ctx->purpose;
 230         s->trust = ctx->trust;
 231         CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
 232         s->ctx=ctx;
 233
 234         s->verify_result=X509_V_OK;
 235
 236         s->method=ctx->method;
 237
 238         if (!s->method->ssl_new(s))
 239                 goto err;
 240
 241         s->quiet_shutdown=ctx->quiet_shutdown;
 242         s->references=1;
 243         s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
 244         s->options=ctx->options;
 245         s->mode=ctx->mode;
 246         SSL_clear(s);
 247
 248         CRYPTO_new_ex_data(ssl_meth,s,&s->ex_data);
 249
 250         return(s);
 251 err:
 252         if (s != NULL)
 253                 {
 254                 if (s->cert != NULL)
 255                         ssl_cert_free(s->cert);
 256                 if (s->ctx != NULL)
 257                         SSL_CTX_free(s->ctx); /* decrement reference count */
 258                 Free(s);
 259                 }
 260         SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
 261         return(NULL);
 262         }
 263
 264 int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
 265                                    unsigned int sid_ctx_len)
 266     {
 267     if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
 268         {
 269         SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
 270         return 0;
 271         }
 272     ctx->sid_ctx_length=sid_ctx_len;
 273     memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
 274
 275     return 1;
 276     }
 277
 278 int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
 279                                unsigned int sid_ctx_len)
 280     {
 281     if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
 282         {
 283         SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
 284         return 0;
 285         }
 286     ssl->sid_ctx_length=sid_ctx_len;
 287     memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
 288
 289     return 1;
 290     }
 291
 292 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
 293 {
 294         if(X509_PURPOSE_get_by_id(purpose) == -1) {
 295                 SSLerr(SSL_F_SSL_CTX_SET_PURPOSE, SSL_R_INVALID_PURPOSE);
 296                 return 0;
 297         }
 298         s->purpose = purpose;
 299         return 1;
 300 }
 301
 302 int SSL_set_purpose(SSL *s, int purpose)
 303 {
 304         if(X509_PURPOSE_get_by_id(purpose) == -1) {
 305                 SSLerr(SSL_F_SSL_SET_PURPOSE, SSL_R_INVALID_PURPOSE);
 306                 return 0;
 307         }
 308         s->purpose = purpose;
 309         return 1;
 310 }
 311
 312 int SSL_CTX_set_trust(SSL_CTX *s, int trust)
 313 {
 314         if(X509_TRUST_get_by_id(trust) == -1) {
 315                 SSLerr(SSL_F_SSL_CTX_SET_TRUST, SSL_R_INVALID_TRUST);
 316                 return 0;
 317         }
 318         s->trust = trust;
 319         return 1;
 320 }
 321
 322 int SSL_set_trust(SSL *s, int trust)
 323 {
 324         if(X509_TRUST_get_by_id(trust) == -1) {
 325                 SSLerr(SSL_F_SSL_SET_TRUST, SSL_R_INVALID_TRUST);
 326                 return 0;
 327         }
 328         s->trust = trust;
 329         return 1;
 330 }
 331
 332 void SSL_free(SSL *s)
 333         {
 334         int i;
 335
 336         if(s == NULL)
 337             return;
 338
 339         i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
 340 #ifdef REF_PRINT
 341         REF_PRINT("SSL",s);
 342 #endif
 343         if (i > 0) return;
 344 #ifdef REF_CHECK
 345         if (i < 0)
 346                 {
 347                 fprintf(stderr,"SSL_free, bad reference count\n");
 348                 abort(); /* ok */
 349                 }
 350 #endif
 351
 352         CRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data);
 353
 354         if (s->bbio != NULL)
 355                 {
 356                 /* If the buffering BIO is in place, pop it off */
 357                 if (s->bbio == s->wbio)
 358                         {
 359                         s->wbio=BIO_pop(s->wbio);
 360                         }
 361                 BIO_free(s->bbio);
 362                 s->bbio=NULL;
 363                 }
 364         if (s->rbio != NULL)
 365                 BIO_free_all(s->rbio);
 366         if ((s->wbio != NULL) && (s->wbio != s->rbio))
 367                 BIO_free_all(s->wbio);
 368
 369         if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
 370
 371         /* add extra stuff */
 372         if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
 373         if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
 374
 375         /* Make the next call work :-) */
 376         if (s->session != NULL)
 377                 {
 378                 ssl_clear_bad_session(s);
 379                 SSL_SESSION_free(s->session);
 380                 }
 381
 382         ssl_clear_cipher_ctx(s);
 383
 384         if (s->cert != NULL) ssl_cert_free(s->cert);
 385         /* Free up if allocated */
 386
 387         if (s->ctx) SSL_CTX_free(s->ctx);
 388
 389         if (s->client_CA != NULL)
 390                 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
 391
 392         if (s->method != NULL) s->method->ssl_free(s);
 393
 394         Free(s);
 395         }
 396
 397 void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
 398         {
 399         /* If the output buffering BIO is still in place, remove it
 400          */
 401         if (s->bbio != NULL)
 402                 {
 403                 if (s->wbio == s->bbio)
 404                         {
 405                         s->wbio=s->wbio->next_bio;
 406                         s->bbio->next_bio=NULL;
 407                         }
 408                 }
 409         if ((s->rbio != NULL) && (s->rbio != rbio))
 410                 BIO_free_all(s->rbio);
 411         if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
 412                 BIO_free_all(s->wbio);
 413         s->rbio=rbio;
 414         s->wbio=wbio;
 415         }
 416
 417 BIO *SSL_get_rbio(SSL *s)
 418         { return(s->rbio); }
 419
 420 BIO *SSL_get_wbio(SSL *s)
 421         { return(s->wbio); }
 422
 423 int SSL_get_fd(SSL *s)
 424         {
 425         int ret= -1;
 426         BIO *b,*r;
 427
 428         b=SSL_get_rbio(s);
 429         r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
 430         if (r != NULL)
 431                 BIO_get_fd(r,&ret);
 432         return(ret);
 433         }
 434
 435 #ifndef NO_SOCK
 436 int SSL_set_fd(SSL *s,int fd)
 437         {
 438         int ret=0;
 439         BIO *bio=NULL;
 440
 441         bio=BIO_new(BIO_s_socket());
 442
 443         if (bio == NULL)
 444                 {
 445                 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
 446                 goto err;
 447                 }
 448         BIO_set_fd(bio,fd,BIO_NOCLOSE);
 449         SSL_set_bio(s,bio,bio);
 450         ret=1;
 451 err:
 452         return(ret);
 453         }
 454
 455 int SSL_set_wfd(SSL *s,int fd)
 456         {
 457         int ret=0;
 458         BIO *bio=NULL;
 459
 460         if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
 461                 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
 462                 {
 463                 bio=BIO_new(BIO_s_socket());
 464
 465                 if (bio == NULL)
 466                         { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
 467                 BIO_set_fd(bio,fd,BIO_NOCLOSE);
 468                 SSL_set_bio(s,SSL_get_rbio(s),bio);
 469                 }
 470         else
 471                 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
 472         ret=1;
 473 err:
 474         return(ret);
 475         }
 476
 477 int SSL_set_rfd(SSL *s,int fd)
 478         {
 479         int ret=0;
 480         BIO *bio=NULL;
 481
 482         if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
 483                 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
 484                 {
 485                 bio=BIO_new(BIO_s_socket());
 486
 487                 if (bio == NULL)
 488                         {
 489                         SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
 490                         goto err;
 491                         }
 492                 BIO_set_fd(bio,fd,BIO_NOCLOSE);
 493                 SSL_set_bio(s,bio,SSL_get_wbio(s));
 494                 }
 495         else
 496                 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
 497         ret=1;
 498 err:
 499         return(ret);
 500         }
 501 #endif
 502
 503
 504 /* return length of latest Finished message we sent, copy to 'buf' */
 505 size_t SSL_get_finished(SSL *s, void *buf, size_t count)
 506         {
 507         size_t ret = 0;
 508
 509         if (s->s3 != NULL)
 510                 {
 511                 ret = s->s3->tmp.finish_md_len;
 512                 if (count > ret)
 513                         count = ret;
 514                 memcpy(buf, s->s3->tmp.finish_md, count);
 515                 }
 516         return ret;
 517         }
 518
 519 /* return length of latest Finished message we expected, copy to 'buf' */
 520 size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
 521         {
 522         size_t ret = 0;
 523
 524         if (s->s3 != NULL)
 525                 {
 526                 ret = s->s3->tmp.peer_finish_md_len;
 527                 if (count > ret)
 528                         count = ret;
 529                 memcpy(buf, s->s3->tmp.peer_finish_md, count);
 530                 }
 531         return ret;
 532         }
 533
 534
 535 int SSL_get_verify_mode(SSL *s)
 536         {
 537         return(s->verify_mode);
 538         }
 539
 540 int SSL_get_verify_depth(SSL *s)
 541         {
 542         return(s->verify_depth);
 543         }
 544
 545 int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
 546         {
 547         return(s->verify_callback);
 548         }
 549
 550 int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
 551         {
 552         return(ctx->verify_mode);
 553         }
 554
 555 int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
 556         {
 557         return(ctx->verify_depth);
 558         }
 559
 560 int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
 561         {
 562         return(ctx->default_verify_callback);
 563         }
 564
 565 void SSL_set_verify(SSL *s,int mode,
 566                     int (*callback)(int ok,X509_STORE_CTX *ctx))
 567         {
 568         s->verify_mode=mode;
 569         if (callback != NULL)
 570                 s->verify_callback=callback;
 571         }
 572
 573 void SSL_set_verify_depth(SSL *s,int depth)
 574         {
 575         s->verify_depth=depth;
 576         }
 577
 578 void SSL_set_read_ahead(SSL *s,int yes)
 579         {
 580         s->read_ahead=yes;
 581         }
 582
 583 int SSL_get_read_ahead(SSL *s)
 584         {
 585         return(s->read_ahead);
 586         }
 587
 588 int SSL_pending(SSL *s)
 589         {
 590         return(s->method->ssl_pending(s));
 591         }
 592
 593 X509 *SSL_get_peer_certificate(SSL *s)
 594         {
 595         X509 *r;
 596
 597         if ((s == NULL) || (s->session == NULL))
 598                 r=NULL;
 599         else
 600                 r=s->session->peer;
 601
 602         if (r == NULL) return(r);
 603
 604         CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
 605
 606         return(r);
 607         }
 608
 609 STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
 610         {
 611         STACK_OF(X509) *r;
 612
 613         if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
 614                 r=NULL;
 615         else
 616                 r=s->session->sess_cert->cert_chain;
 617
 618         return(r);
 619         }
 620
 621 /* Now in theory, since the calling process own 't' it should be safe to
 622  * modify.  We need to be able to read f without being hassled */
 623 void SSL_copy_session_id(SSL *t,SSL *f)
 624         {
 625         CERT *tmp;
 626
 627         /* Do we need to to SSL locking? */
 628         SSL_set_session(t,SSL_get_session(f));
 629
 630         /* what if we are setup as SSLv2 but want to talk SSLv3 or
 631          * vice-versa */
 632         if (t->method != f->method)
 633                 {
 634                 t->method->ssl_free(t); /* cleanup current */
 635                 t->method=f->method;    /* change method */
 636                 t->method->ssl_new(t);  /* setup new */
 637                 }
 638
 639         tmp=t->cert;
 640         if (f->cert != NULL)
 641                 {
 642                 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
 643                 t->cert=f->cert;
 644                 }
 645         else
 646                 t->cert=NULL;
 647         if (tmp != NULL) ssl_cert_free(tmp);
 648         SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
 649         }
 650
 651 /* Fix this so it checks all the valid key/cert options */
 652 int SSL_CTX_check_private_key(SSL_CTX *ctx)
 653         {
 654         if (    (ctx == NULL) ||
 655                 (ctx->cert == NULL) ||
 656                 (ctx->cert->key->x509 == NULL))
 657                 {
 658                 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
 659                 return(0);
 660                 }
 661         if      (ctx->cert->key->privatekey == NULL)
 662                 {
 663                 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
 664                 return(0);
 665                 }
 666         return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
 667         }
 668
 669 /* Fix this function so that it takes an optional type parameter */
 670 int SSL_check_private_key(SSL *ssl)
 671         {
 672         if (ssl == NULL)
 673                 {
 674                 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
 675                 return(0);
 676                 }
 677         if (ssl->cert == NULL)
 678                 {
 679                 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
 680                 return 0;
 681                 }
 682         if (ssl->cert->key->x509 == NULL)
 683                 {
 684                 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
 685                 return(0);
 686                 }
 687         if (ssl->cert->key->privatekey == NULL)
 688                 {
 689                 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
 690                 return(0);
 691                 }
 692         return(X509_check_private_key(ssl->cert->key->x509,
 693                 ssl->cert->key->privatekey));
 694         }
 695
 696 int SSL_accept(SSL *s)
 697         {
 698         if (s->handshake_func == 0)
 699                 /* Not properly initialized yet */
 700                 SSL_set_accept_state(s);
 701
 702         return(s->method->ssl_accept(s));
 703         }
 704
 705 int SSL_connect(SSL *s)
 706         {
 707         if (s->handshake_func == 0)
 708                 /* Not properly initialized yet */
 709                 SSL_set_connect_state(s);
 710
 711         return(s->method->ssl_connect(s));
 712         }
 713
 714 long SSL_get_default_timeout(SSL *s)
 715         {
 716         return(s->method->get_timeout());
 717         }
 718
 719 int SSL_read(SSL *s,char *buf,int num)
 720         {
 721         if (s->handshake_func == 0)
 722                 {
 723                 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
 724                 return -1;
 725                 }
 726
 727         if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
 728                 {
 729                 s->rwstate=SSL_NOTHING;
 730                 return(0);
 731                 }
 732         return(s->method->ssl_read(s,buf,num));
 733         }
 734
 735 int SSL_peek(SSL *s,char *buf,int num)
 736         {
 737         if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
 738                 {
 739                 return(0);
 740                 }
 741         return(s->method->ssl_peek(s,buf,num));
 742         }
 743
 744 int SSL_write(SSL *s,const char *buf,int num)
 745         {
 746         if (s->handshake_func == 0)
 747                 {
 748                 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
 749                 return -1;
 750                 }
 751
 752         if (s->shutdown & SSL_SENT_SHUTDOWN)
 753                 {
 754                 s->rwstate=SSL_NOTHING;
 755                 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
 756                 return(-1);
 757                 }
 758         return(s->method->ssl_write(s,buf,num));
 759         }
 760
 761 int SSL_shutdown(SSL *s)
 762         {
 763         /* Note that this function behaves differently from what one might
 764          * expect.  Return values are 0 for no success (yet),
 765          * 1 for success; but calling it once is usually not enough,
 766          * even if blocking I/O is used (see ssl3_shutdown).
 767          */
 768
 769         if (s->handshake_func == 0)
 770                 {
 771                 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
 772                 return -1;
 773                 }
 774
 775         if ((s != NULL) && !SSL_in_init(s))
 776                 return(s->method->ssl_shutdown(s));
 777         else
 778                 return(1);
 779         }
 780
 781 int SSL_renegotiate(SSL *s)
 782         {
 783         s->new_session=1;
 784         return(s->method->ssl_renegotiate(s));
 785         }
 786
 787 long SSL_ctrl(SSL *s,int cmd,long larg,char *parg)
 788         {
 789         long l;
 790
 791         switch (cmd)
 792                 {
 793         case SSL_CTRL_GET_READ_AHEAD:
 794                 return(s->read_ahead);
 795         case SSL_CTRL_SET_READ_AHEAD:
 796                 l=s->read_ahead;
 797                 s->read_ahead=larg;
 798                 return(l);
 799         case SSL_CTRL_OPTIONS:
 800                 return(s->options|=larg);
 801         case SSL_CTRL_MODE:
 802                 return(s->mode|=larg);
 803         default:
 804                 return(s->method->ssl_ctrl(s,cmd,larg,parg));
 805                 }
 806         }
 807
 808 long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
 809         {
 810         switch(cmd)
 811                 {
 812         default:
 813                 return(s->method->ssl_callback_ctrl(s,cmd,fp));
 814                 }
 815         }
 816
 817 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg)
 818         {
 819         long l;
 820
 821         switch (cmd)
 822                 {
 823         case SSL_CTRL_GET_READ_AHEAD:
 824                 return(ctx->read_ahead);
 825         case SSL_CTRL_SET_READ_AHEAD:
 826                 l=ctx->read_ahead;
 827                 ctx->read_ahead=larg;
 828                 return(l);
 829
 830         case SSL_CTRL_SET_SESS_CACHE_SIZE:
 831                 l=ctx->session_cache_size;
 832                 ctx->session_cache_size=larg;
 833                 return(l);
 834         case SSL_CTRL_GET_SESS_CACHE_SIZE:
 835                 return(ctx->session_cache_size);
 836         case SSL_CTRL_SET_SESS_CACHE_MODE:
 837                 l=ctx->session_cache_mode;
 838                 ctx->session_cache_mode=larg;
 839                 return(l);
 840         case SSL_CTRL_GET_SESS_CACHE_MODE:
 841                 return(ctx->session_cache_mode);
 842
 843         case SSL_CTRL_SESS_NUMBER:
 844                 return(ctx->sessions->num_items);
 845         case SSL_CTRL_SESS_CONNECT:
 846                 return(ctx->stats.sess_connect);
 847         case SSL_CTRL_SESS_CONNECT_GOOD:
 848                 return(ctx->stats.sess_connect_good);
 849         case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
 850                 return(ctx->stats.sess_connect_renegotiate);
 851         case SSL_CTRL_SESS_ACCEPT:
 852                 return(ctx->stats.sess_accept);
 853         case SSL_CTRL_SESS_ACCEPT_GOOD:
 854                 return(ctx->stats.sess_accept_good);
 855         case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
 856                 return(ctx->stats.sess_accept_renegotiate);
 857         case SSL_CTRL_SESS_HIT:
 858                 return(ctx->stats.sess_hit);
 859         case SSL_CTRL_SESS_CB_HIT:
 860                 return(ctx->stats.sess_cb_hit);
 861         case SSL_CTRL_SESS_MISSES:
 862                 return(ctx->stats.sess_miss);
 863         case SSL_CTRL_SESS_TIMEOUTS:
 864                 return(ctx->stats.sess_timeout);
 865         case SSL_CTRL_SESS_CACHE_FULL:
 866                 return(ctx->stats.sess_cache_full);
 867         case SSL_CTRL_OPTIONS:
 868                 return(ctx->options|=larg);
 869         case SSL_CTRL_MODE:
 870                 return(ctx->mode|=larg);
 871         default:
 872                 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
 873                 }
 874         }
 875
 876 long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
 877         {
 878         switch(cmd)
 879                 {
 880         default:
 881                 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
 882                 }
 883         }
 884
 885 int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b)
 886         {
 887         long l;
 888
 889         l=a->id-b->id;
 890         if (l == 0L)
 891                 return(0);
 892         else
 893                 return((l > 0)?1:-1);
 894         }
 895
 896 int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp)
 897         {
 898         long l;
 899
 900         l=(*ap)->id-(*bp)->id;
 901         if (l == 0L)
 902                 return(0);
 903         else
 904                 return((l > 0)?1:-1);
 905         }
 906
 907 /** return a STACK of the ciphers available for the SSL and in order of
 908  * preference */
 909 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
 910         {
 911         if ((s != NULL) && (s->cipher_list != NULL))
 912                 {
 913                 return(s->cipher_list);
 914                 }
 915         else if ((s->ctx != NULL) &&
 916                 (s->ctx->cipher_list != NULL))
 917                 {
 918                 return(s->ctx->cipher_list);
 919                 }
 920         return(NULL);
 921         }
 922
 923 /** return a STACK of the ciphers available for the SSL and in order of
 924  * algorithm id */
 925 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
 926         {
 927         if ((s != NULL) && (s->cipher_list_by_id != NULL))
 928                 {
 929                 return(s->cipher_list_by_id);
 930                 }
 931         else if ((s != NULL) && (s->ctx != NULL) &&
 932                 (s->ctx->cipher_list_by_id != NULL))
 933                 {
 934                 return(s->ctx->cipher_list_by_id);
 935                 }
 936         return(NULL);
 937         }
 938
 939 /** The old interface to get the same thing as SSL_get_ciphers() */
 940 const char *SSL_get_cipher_list(SSL *s,int n)
 941         {
 942         SSL_CIPHER *c;
 943         STACK_OF(SSL_CIPHER) *sk;
 944
 945         if (s == NULL) return(NULL);
 946         sk=SSL_get_ciphers(s);
 947         if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
 948                 return(NULL);
 949         c=sk_SSL_CIPHER_value(sk,n);
 950         if (c == NULL) return(NULL);
 951         return(c->name);
 952         }
 953
 954 /** specify the ciphers to be used by default by the SSL_CTX */
 955 int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
 956         {
 957         STACK_OF(SSL_CIPHER) *sk;
 958
 959         sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
 960                 &ctx->cipher_list_by_id,str);
 961 /* XXXX */
 962         return((sk == NULL)?0:1);
 963         }
 964
 965 /** specify the ciphers to be used by the SSL */
 966 int SSL_set_cipher_list(SSL *s,const char *str)
 967         {
 968         STACK_OF(SSL_CIPHER) *sk;
 969
 970         sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
 971                 &s->cipher_list_by_id,str);
 972 /* XXXX */
 973         return((sk == NULL)?0:1);
 974         }
 975
 976 /* works well for SSLv2, not so good for SSLv3 */
 977 char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
 978         {
 979         char *p;
 980         const char *cp;
 981         STACK_OF(SSL_CIPHER) *sk;
 982         SSL_CIPHER *c;
 983         int i;
 984
 985         if ((s->session == NULL) || (s->session->ciphers == NULL) ||
 986                 (len < 2))
 987                 return(NULL);
 988
 989         p=buf;
 990         sk=s->session->ciphers;
 991         for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
 992                 {
 993                 /* Decrement for either the ':' or a '\0' */
 994                 len--;
 995                 c=sk_SSL_CIPHER_value(sk,i);
 996                 for (cp=c->name; *cp; )
 997                         {
 998                         if (len-- == 0)
 999                                 {
1000                                 *p='\0';
1001                                 return(buf);
1002                                 }
1003                         else
1004                                 *(p++)= *(cp++);
1005                         }
1006                 *(p++)=':';
1007                 }
1008         p[-1]='\0';
1009         return(buf);
1010         }
1011
1012 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
1013         {
1014         int i,j=0;
1015         SSL_CIPHER *c;
1016         unsigned char *q;
1017
1018         if (sk == NULL) return(0);
1019         q=p;
1020
1021         for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1022                 {
1023                 c=sk_SSL_CIPHER_value(sk,i);
1024                 j=ssl_put_cipher_by_char(s,c,p);
1025                 p+=j;
1026                 }
1027         return(p-q);
1028         }
1029
1030 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1031                                                STACK_OF(SSL_CIPHER) **skp)
1032         {
1033         SSL_CIPHER *c;
1034         STACK_OF(SSL_CIPHER) *sk;
1035         int i,n;
1036
1037         n=ssl_put_cipher_by_char(s,NULL,NULL);
1038         if ((num%n) != 0)
1039                 {
1040                 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1041                 return(NULL);
1042                 }
1043         if ((skp == NULL) || (*skp == NULL))
1044                 sk=sk_SSL_CIPHER_new(NULL); /* change perhaps later */
1045         else
1046                 {
1047                 sk= *skp;
1048                 sk_SSL_CIPHER_zero(sk);
1049                 }
1050
1051         for (i=0; i<num; i+=n)
1052                 {
1053                 c=ssl_get_cipher_by_char(s,p);
1054                 p+=n;
1055                 if (c != NULL)
1056                         {
1057                         if (!sk_SSL_CIPHER_push(sk,c))
1058                                 {
1059                                 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1060                                 goto err;
1061                                 }
1062                         }
1063                 }
1064
1065         if (skp != NULL)
1066                 *skp=sk;
1067         return(sk);
1068 err:
1069         if ((skp == NULL) || (*skp == NULL))
1070                 sk_SSL_CIPHER_free(sk);
1071         return(NULL);
1072         }
1073
1074 unsigned long SSL_SESSION_hash(SSL_SESSION *a)
1075         {
1076         unsigned long l;
1077
1078         l=(unsigned long)
1079                 ((unsigned int) a->session_id[0]     )|
1080                 ((unsigned int) a->session_id[1]<< 8L)|
1081                 ((unsigned long)a->session_id[2]<<16L)|
1082                 ((unsigned long)a->session_id[3]<<24L);
1083         return(l);
1084         }
1085
1086 int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
1087         {
1088         if (a->ssl_version != b->ssl_version)
1089                 return(1);
1090         if (a->session_id_length != b->session_id_length)
1091                 return(1);
1092         return(memcmp(a->session_id,b->session_id,a->session_id_length));
1093         }
1094
1095 SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
1096         {
1097         SSL_CTX *ret=NULL;
1098
1099         if (meth == NULL)
1100                 {
1101                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1102                 return(NULL);
1103                 }
1104
1105         if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1106                 {
1107                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1108                 goto err;
1109                 }
1110         ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX));
1111         if (ret == NULL)
1112                 goto err;
1113
1114         memset(ret,0,sizeof(SSL_CTX));
1115
1116         ret->method=meth;
1117
1118         ret->cert_store=NULL;
1119         ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1120         ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1121         ret->session_cache_head=NULL;
1122         ret->session_cache_tail=NULL;
1123
1124         /* We take the system default */
1125         ret->session_timeout=meth->get_timeout();
1126
1127         ret->new_session_cb=NULL;
1128         ret->remove_session_cb=NULL;
1129         ret->get_session_cb=NULL;
1130
1131         memset((char *)&ret->stats,0,sizeof(ret->stats));
1132
1133         ret->references=1;
1134         ret->quiet_shutdown=0;
1135
1136 /*      ret->cipher=NULL;*/
1137 /*      ret->s2->challenge=NULL;
1138         ret->master_key=NULL;
1139         ret->key_arg=NULL;
1140         ret->s2->conn_id=NULL; */
1141
1142         ret->info_callback=NULL;
1143
1144         ret->app_verify_callback=NULL;
1145         ret->app_verify_arg=NULL;
1146
1147         ret->read_ahead=0;
1148         ret->verify_mode=SSL_VERIFY_NONE;
1149         ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1150         ret->default_verify_callback=NULL;
1151         if ((ret->cert=ssl_cert_new()) == NULL)
1152                 goto err;
1153
1154         ret->default_passwd_callback=NULL;
1155         ret->default_passwd_callback_userdata=NULL;
1156         ret->client_cert_cb=NULL;
1157
1158         ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp);
1159         if (ret->sessions == NULL) goto err;
1160         ret->cert_store=X509_STORE_new();
1161         if (ret->cert_store == NULL) goto err;
1162
1163         ssl_create_cipher_list(ret->method,
1164                 &ret->cipher_list,&ret->cipher_list_by_id,
1165                 SSL_DEFAULT_CIPHER_LIST);
1166         if (ret->cipher_list == NULL
1167             || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1168                 {
1169                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1170                 goto err2;
1171                 }
1172
1173         if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1174                 {
1175                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1176                 goto err2;
1177                 }
1178         if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1179                 {
1180                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1181                 goto err2;
1182                 }
1183         if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1184                 {
1185                 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1186                 goto err2;
1187                 }
1188
1189         if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1190                 goto err;
1191
1192         CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data);
1193
1194         ret->extra_certs=NULL;
1195         ret->comp_methods=SSL_COMP_get_compression_methods();
1196
1197         return(ret);
1198 err:
1199         SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1200 err2:
1201         if (ret != NULL) SSL_CTX_free(ret);
1202         return(NULL);
1203         }
1204
1205 static void SSL_COMP_free(SSL_COMP *comp)
1206     { Free(comp); }
1207
1208 void SSL_CTX_free(SSL_CTX *a)
1209         {
1210         int i;
1211
1212         if (a == NULL) return;
1213
1214         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1215 #ifdef REF_PRINT
1216         REF_PRINT("SSL_CTX",a);
1217 #endif
1218         if (i > 0) return;
1219 #ifdef REF_CHECK
1220         if (i < 0)
1221                 {
1222                 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1223                 abort(); /* ok */
1224                 }
1225 #endif
1226         CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data);
1227
1228         if (a->sessions != NULL)
1229                 {
1230                 SSL_CTX_flush_sessions(a,0);
1231                 lh_free(a->sessions);
1232                 }
1233         if (a->cert_store != NULL)
1234                 X509_STORE_free(a->cert_store);
1235         if (a->cipher_list != NULL)
1236                 sk_SSL_CIPHER_free(a->cipher_list);
1237         if (a->cipher_list_by_id != NULL)
1238                 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1239         if (a->cert != NULL)
1240                 ssl_cert_free(a->cert);
1241         if (a->client_CA != NULL)
1242                 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1243         if (a->extra_certs != NULL)
1244                 sk_X509_pop_free(a->extra_certs,X509_free);
1245         if (a->comp_methods != NULL)
1246                 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1247         Free(a);
1248         }
1249
1250 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1251         {
1252         ctx->default_passwd_callback=cb;
1253         }
1254
1255 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1256         {
1257         ctx->default_passwd_callback_userdata=u;
1258         }
1259
1260 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,int (*cb)(),char *arg)
1261         {
1262         /* now
1263          *     int (*cb)(X509_STORE_CTX *),
1264          * but should be
1265          *     int (*cb)(X509_STORE_CTX *, void *arg)
1266          */
1267         ctx->app_verify_callback=cb;
1268         ctx->app_verify_arg=arg; /* never used */
1269         }
1270
1271 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1272         {
1273         ctx->verify_mode=mode;
1274         ctx->default_verify_callback=cb;
1275         /* This needs cleaning up EAY EAY EAY */
1276         X509_STORE_set_verify_cb_func(ctx->cert_store,cb);
1277         }
1278
1279 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1280         {
1281         ctx->verify_depth=depth;
1282         }
1283
1284 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1285         {
1286         CERT_PKEY *cpk;
1287         int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1288         int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1289         int rsa_tmp_export,dh_tmp_export,kl;
1290         unsigned long mask,emask;
1291
1292         if (c == NULL) return;
1293
1294         kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1295
1296 #ifndef NO_RSA
1297         rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1298         rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1299                 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1300 #else
1301         rsa_tmp=rsa_tmp_export=0;
1302 #endif
1303 #ifndef NO_DH
1304         dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1305         dh_tmp_export=(c->dh_tmp_cb != NULL ||
1306                 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1307 #else
1308         dh_tmp=dh_tmp_export=0;
1309 #endif
1310
1311         cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1312         rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1313         rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1314         cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1315         rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1316         cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1317         dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1318         cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1319         dh_rsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);
1320         dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1321         cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1322 /* FIX THIS EAY EAY EAY */
1323         dh_dsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);
1324         dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1325
1326         mask=0;
1327         emask=0;
1328
1329 #ifdef CIPHER_DEBUG
1330         printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1331                 rsa_tmp,rsa_tmp_export,dh_tmp,
1332                 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1333 #endif
1334
1335         if (rsa_enc || (rsa_tmp && rsa_sign))
1336                 mask|=SSL_kRSA;
1337         if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1338                 emask|=SSL_kRSA;
1339
1340 #if 0
1341         /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1342         if (    (dh_tmp || dh_rsa || dh_dsa) &&
1343                 (rsa_enc || rsa_sign || dsa_sign))
1344                 mask|=SSL_kEDH;
1345         if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1346                 (rsa_enc || rsa_sign || dsa_sign))
1347                 emask|=SSL_kEDH;
1348 #endif
1349
1350         if (dh_tmp_export)
1351                 emask|=SSL_kEDH;
1352
1353         if (dh_tmp)
1354                 mask|=SSL_kEDH;
1355
1356         if (dh_rsa) mask|=SSL_kDHr;
1357         if (dh_rsa_export) emask|=SSL_kDHr;
1358
1359         if (dh_dsa) mask|=SSL_kDHd;
1360         if (dh_dsa_export) emask|=SSL_kDHd;
1361
1362         if (rsa_enc || rsa_sign)
1363                 {
1364                 mask|=SSL_aRSA;
1365                 emask|=SSL_aRSA;
1366                 }
1367
1368         if (dsa_sign)
1369                 {
1370                 mask|=SSL_aDSS;
1371                 emask|=SSL_aDSS;
1372                 }
1373
1374         mask|=SSL_aNULL;
1375         emask|=SSL_aNULL;
1376
1377         c->mask=mask;
1378         c->export_mask=emask;
1379         c->valid=1;
1380         }
1381
1382 /* THIS NEEDS CLEANING UP */
1383 X509 *ssl_get_server_send_cert(SSL *s)
1384         {
1385         unsigned long alg,mask,kalg;
1386         CERT *c;
1387         int i,is_export;
1388
1389         c=s->cert;
1390         ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1391         alg=s->s3->tmp.new_cipher->algorithms;
1392         is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
1393         mask=is_export?c->export_mask:c->mask;
1394         kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1395
1396         if      (kalg & SSL_kDHr)
1397                 i=SSL_PKEY_DH_RSA;
1398         else if (kalg & SSL_kDHd)
1399                 i=SSL_PKEY_DH_DSA;
1400         else if (kalg & SSL_aDSS)
1401                 i=SSL_PKEY_DSA_SIGN;
1402         else if (kalg & SSL_aRSA)
1403                 {
1404                 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1405                         i=SSL_PKEY_RSA_SIGN;
1406                 else
1407                         i=SSL_PKEY_RSA_ENC;
1408                 }
1409         else /* if (kalg & SSL_aNULL) */
1410                 {
1411                 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR);
1412                 return(NULL);
1413                 }
1414         if (c->pkeys[i].x509 == NULL) return(NULL);
1415         return(c->pkeys[i].x509);
1416         }
1417
1418 EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1419         {
1420         unsigned long alg;
1421         CERT *c;
1422
1423         alg=cipher->algorithms;
1424         c=s->cert;
1425
1426         if ((alg & SSL_aDSS) &&
1427                 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1428                 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1429         else if (alg & SSL_aRSA)
1430                 {
1431                 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1432                         return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1433                 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1434                         return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1435                 else
1436                         return(NULL);
1437                 }
1438         else /* if (alg & SSL_aNULL) */
1439                 {
1440                 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR);
1441                 return(NULL);
1442                 }
1443         }
1444
1445 void ssl_update_cache(SSL *s,int mode)
1446         {
1447         int i;
1448
1449         /* If the session_id_length is 0, we are not supposed to cache it,
1450          * and it would be rather hard to do anyway :-) */
1451         if (s->session->session_id_length == 0) return;
1452
1453         if ((s->ctx->session_cache_mode & mode)
1454                 && (!s->hit)
1455                 && SSL_CTX_add_session(s->ctx,s->session)
1456                 && (s->ctx->new_session_cb != NULL))
1457                 {
1458                 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1459                 if (!s->ctx->new_session_cb(s,s->session))
1460                         SSL_SESSION_free(s->session);
1461                 }
1462
1463         /* auto flush every 255 connections */
1464         i=s->ctx->session_cache_mode;
1465         if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1466                 ((i & mode) == mode))
1467                 {
1468                 if (  (((mode & SSL_SESS_CACHE_CLIENT)
1469                         ?s->ctx->stats.sess_connect_good
1470                         :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1471                         {
1472                         SSL_CTX_flush_sessions(s->ctx,time(NULL));
1473                         }
1474                 }
1475         }
1476
1477 SSL_METHOD *SSL_get_ssl_method(SSL *s)
1478         {
1479         return(s->method);
1480         }
1481
1482 int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
1483         {
1484         int conn= -1;
1485         int ret=1;
1486
1487         if (s->method != meth)
1488                 {
1489                 if (s->handshake_func != NULL)
1490                         conn=(s->handshake_func == s->method->ssl_connect);
1491
1492                 if (s->method->version == meth->version)
1493                         s->method=meth;
1494                 else
1495                         {
1496                         s->method->ssl_free(s);
1497                         s->method=meth;
1498                         ret=s->method->ssl_new(s);
1499                         }
1500
1501                 if (conn == 1)
1502                         s->handshake_func=meth->ssl_connect;
1503                 else if (conn == 0)
1504                         s->handshake_func=meth->ssl_accept;
1505                 }
1506         return(ret);
1507         }
1508
1509 int SSL_get_error(SSL *s,int i)
1510         {
1511         int reason;
1512         unsigned long l;
1513         BIO *bio;
1514
1515         if (i > 0) return(SSL_ERROR_NONE);
1516
1517         /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1518          * etc, where we do encode the error */
1519         if ((l=ERR_peek_error()) != 0)
1520                 {
1521                 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1522                         return(SSL_ERROR_SYSCALL);
1523                 else
1524                         return(SSL_ERROR_SSL);
1525                 }
1526
1527         if ((i < 0) && SSL_want_read(s))
1528                 {
1529                 bio=SSL_get_rbio(s);
1530                 if (BIO_should_read(bio))
1531                         return(SSL_ERROR_WANT_READ);
1532                 else if (BIO_should_write(bio))
1533                         /* This one doesn't make too much sense ... We never try
1534                          * to write to the rbio, and an application program where
1535                          * rbio and wbio are separate couldn't even know what it
1536                          * should wait for.
1537                          * However if we ever set s->rwstate incorrectly
1538                          * (so that we have SSL_want_read(s) instead of
1539                          * SSL_want_write(s)) and rbio and wbio *are* the same,
1540                          * this test works around that bug; so it might be safer
1541                          * to keep it. */
1542                         return(SSL_ERROR_WANT_WRITE);
1543                 else if (BIO_should_io_special(bio))
1544                         {
1545                         reason=BIO_get_retry_reason(bio);
1546                         if (reason == BIO_RR_CONNECT)
1547                                 return(SSL_ERROR_WANT_CONNECT);
1548                         else
1549                                 return(SSL_ERROR_SYSCALL); /* unknown */
1550                         }
1551                 }
1552
1553         if ((i < 0) && SSL_want_write(s))
1554                 {
1555                 bio=SSL_get_wbio(s);
1556                 if (BIO_should_write(bio))
1557                         return(SSL_ERROR_WANT_WRITE);
1558                 else if (BIO_should_read(bio))
1559                         /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
1560                         return(SSL_ERROR_WANT_READ);
1561                 else if (BIO_should_io_special(bio))
1562                         {
1563                         reason=BIO_get_retry_reason(bio);
1564                         if (reason == BIO_RR_CONNECT)
1565                                 return(SSL_ERROR_WANT_CONNECT);
1566                         else
1567                                 return(SSL_ERROR_SYSCALL);
1568                         }
1569                 }
1570         if ((i < 0) && SSL_want_x509_lookup(s))
1571                 {
1572                 return(SSL_ERROR_WANT_X509_LOOKUP);
1573                 }
1574
1575         if (i == 0)
1576                 {
1577                 if (s->version == SSL2_VERSION)
1578                         {
1579                         /* assume it is the socket being closed */
1580                         return(SSL_ERROR_ZERO_RETURN);
1581                         }
1582                 else
1583                         {
1584                         if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
1585                                 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
1586                                 return(SSL_ERROR_ZERO_RETURN);
1587                         }
1588                 }
1589         return(SSL_ERROR_SYSCALL);
1590         }
1591
1592 int SSL_do_handshake(SSL *s)
1593         {
1594         int ret=1;
1595
1596         if (s->handshake_func == NULL)
1597                 {
1598                 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
1599                 return(-1);
1600                 }
1601
1602         s->method->ssl_renegotiate_check(s);
1603
1604         if (SSL_in_init(s) || SSL_in_before(s))
1605                 {
1606                 ret=s->handshake_func(s);
1607                 }
1608         return(ret);
1609         }
1610
1611 /* For the next 2 functions, SSL_clear() sets shutdown and so
1612  * one of these calls will reset it */
1613 void SSL_set_accept_state(SSL *s)
1614         {
1615         s->server=1;
1616         s->shutdown=0;
1617         s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
1618         s->handshake_func=s->method->ssl_accept;
1619         /* clear the current cipher */
1620         ssl_clear_cipher_ctx(s);
1621         }
1622
1623 void SSL_set_connect_state(SSL *s)
1624         {
1625         s->server=0;
1626         s->shutdown=0;
1627         s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
1628         s->handshake_func=s->method->ssl_connect;
1629         /* clear the current cipher */
1630         ssl_clear_cipher_ctx(s);
1631         }
1632
1633 int ssl_undefined_function(SSL *s)
1634         {
1635         SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1636         return(0);
1637         }
1638
1639 SSL_METHOD *ssl_bad_method(int ver)
1640         {
1641         SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1642         return(NULL);
1643         }
1644
1645 const char *SSL_get_version(SSL *s)
1646         {
1647         if (s->version == TLS1_VERSION)
1648                 return("TLSv1");
1649         else if (s->version == SSL3_VERSION)
1650                 return("SSLv3");
1651         else if (s->version == SSL2_VERSION)
1652                 return("SSLv2");
1653         else
1654                 return("unknown");
1655         }
1656
1657 SSL *SSL_dup(SSL *s)
1658         {
1659         STACK_OF(X509_NAME) *sk;
1660         X509_NAME *xn;
1661         SSL *ret;
1662         int i;
1663
1664         if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
1665             return(NULL);
1666
1667         if (s->session != NULL)
1668                 {
1669                 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
1670                 SSL_copy_session_id(ret,s);
1671                 }
1672         else
1673                 {
1674                 /* No session has been established yet, so we have to expect
1675                  * that s->cert or ret->cert will be changed later --
1676                  * they should not both point to the same object,
1677                  * and thus we can't use SSL_copy_session_id. */
1678
1679                 ret->method = s->method;
1680                 ret->method->ssl_new(ret);
1681
1682                 if (s->cert != NULL)
1683                         {
1684                         ret->cert = ssl_cert_dup(s->cert);
1685                         if (ret->cert == NULL)
1686                                 goto err;
1687                         }
1688
1689                 SSL_set_session_id_context(ret,
1690                         s->sid_ctx, s->sid_ctx_length);
1691                 }
1692
1693         SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
1694         SSL_set_verify(ret,SSL_get_verify_mode(s),
1695                 SSL_get_verify_callback(s));
1696         SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
1697
1698         SSL_set_info_callback(ret,SSL_get_info_callback(s));
1699
1700         ret->debug=s->debug;
1701         ret->options=s->options;
1702
1703         /* copy app data, a little dangerous perhaps */
1704         if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data))
1705                 goto err;
1706
1707         /* setup rbio, and wbio */
1708         if (s->rbio != NULL)
1709                 {
1710                 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
1711                         goto err;
1712                 }
1713         if (s->wbio != NULL)
1714                 {
1715                 if (s->wbio != s->rbio)
1716                         {
1717                         if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
1718                                 goto err;
1719                         }
1720                 else
1721                         ret->wbio=ret->rbio;
1722                 }
1723
1724         /* dup the cipher_list and cipher_list_by_id stacks */
1725         if (s->cipher_list != NULL)
1726                 {
1727                 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
1728                         goto err;
1729                 }
1730         if (s->cipher_list_by_id != NULL)
1731                 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
1732                         == NULL)
1733                         goto err;
1734
1735         /* Dup the client_CA list */
1736         if (s->client_CA != NULL)
1737                 {
1738                 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
1739                 ret->client_CA=sk;
1740                 for (i=0; i<sk_X509_NAME_num(sk); i++)
1741                         {
1742                         xn=sk_X509_NAME_value(sk,i);
1743                         if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
1744                                 {
1745                                 X509_NAME_free(xn);
1746                                 goto err;
1747                                 }
1748                         }
1749                 }
1750
1751         ret->shutdown=s->shutdown;
1752         ret->state=s->state;
1753         ret->handshake_func=s->handshake_func;
1754         ret->server=s->server;
1755
1756         if (0)
1757                 {
1758 err:
1759                 if (ret != NULL) SSL_free(ret);
1760                 ret=NULL;
1761                 }
1762         return(ret);
1763         }
1764
1765 void ssl_clear_cipher_ctx(SSL *s)
1766         {
1767         if (s->enc_read_ctx != NULL)
1768                 {
1769                 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
1770                 Free(s->enc_read_ctx);
1771                 s->enc_read_ctx=NULL;
1772                 }
1773         if (s->enc_write_ctx != NULL)
1774                 {
1775                 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
1776                 Free(s->enc_write_ctx);
1777                 s->enc_write_ctx=NULL;
1778                 }
1779         if (s->expand != NULL)
1780                 {
1781                 COMP_CTX_free(s->expand);
1782                 s->expand=NULL;
1783                 }
1784         if (s->compress != NULL)
1785                 {
1786                 COMP_CTX_free(s->compress);
1787                 s->compress=NULL;
1788                 }
1789         }
1790
1791 /* Fix this function so that it takes an optional type parameter */
1792 X509 *SSL_get_certificate(SSL *s)
1793         {
1794         if (s->cert != NULL)
1795                 return(s->cert->key->x509);
1796         else
1797                 return(NULL);
1798         }
1799
1800 /* Fix this function so that it takes an optional type parameter */
1801 EVP_PKEY *SSL_get_privatekey(SSL *s)
1802         {
1803         if (s->cert != NULL)
1804                 return(s->cert->key->privatekey);
1805         else
1806                 return(NULL);
1807         }
1808
1809 SSL_CIPHER *SSL_get_current_cipher(SSL *s)
1810         {
1811         if ((s->session != NULL) && (s->session->cipher != NULL))
1812                 return(s->session->cipher);
1813         return(NULL);
1814         }
1815
1816 int ssl_init_wbio_buffer(SSL *s,int push)
1817         {
1818         BIO *bbio;
1819
1820         if (s->bbio == NULL)
1821                 {
1822                 bbio=BIO_new(BIO_f_buffer());
1823                 if (bbio == NULL) return(0);
1824                 s->bbio=bbio;
1825                 }
1826         else
1827                 {
1828                 bbio=s->bbio;
1829                 if (s->bbio == s->wbio)
1830                         s->wbio=BIO_pop(s->wbio);
1831                 }
1832         (void)BIO_reset(bbio);
1833 /*      if (!BIO_set_write_buffer_size(bbio,16*1024)) */
1834         if (!BIO_set_read_buffer_size(bbio,1))
1835                 {
1836                 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
1837                 return(0);
1838                 }
1839         if (push)
1840                 {
1841                 if (s->wbio != bbio)
1842                         s->wbio=BIO_push(bbio,s->wbio);
1843                 }
1844         else
1845                 {
1846                 if (s->wbio == bbio)
1847                         s->wbio=BIO_pop(bbio);
1848                 }
1849         return(1);
1850         }
1851
1852 void ssl_free_wbio_buffer(SSL *s)
1853         {
1854         BIO *under;
1855
1856         if (s->bbio == NULL) return;
1857
1858         if (s->bbio == s->wbio)
1859                 {
1860                 /* remove buffering */
1861                 under=BIO_pop(s->wbio);
1862                 if (under != NULL)
1863                         s->wbio=under;
1864                 else
1865                         abort(); /* ok */
1866                 }
1867         BIO_free(s->bbio);
1868         s->bbio=NULL;
1869         }
1870
1871 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
1872         {
1873         ctx->quiet_shutdown=mode;
1874         }
1875
1876 int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
1877         {
1878         return(ctx->quiet_shutdown);
1879         }
1880
1881 void SSL_set_quiet_shutdown(SSL *s,int mode)
1882         {
1883         s->quiet_shutdown=mode;
1884         }
1885
1886 int SSL_get_quiet_shutdown(SSL *s)
1887         {
1888         return(s->quiet_shutdown);
1889         }
1890
1891 void SSL_set_shutdown(SSL *s,int mode)
1892         {
1893         s->shutdown=mode;
1894         }
1895
1896 int SSL_get_shutdown(SSL *s)
1897         {
1898         return(s->shutdown);
1899         }
1900
1901 int SSL_version(SSL *s)
1902         {
1903         return(s->version);
1904         }
1905
1906 SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
1907         {
1908         return(ssl->ctx);
1909         }
1910
1911 #ifndef NO_STDIO
1912 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
1913         {
1914         return(X509_STORE_set_default_paths(ctx->cert_store));
1915         }
1916
1917 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1918                 const char *CApath)
1919         {
1920         return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
1921         }
1922 #endif
1923
1924 void SSL_set_info_callback(SSL *ssl,void (*cb)())
1925         {
1926         ssl->info_callback=cb;
1927         }
1928
1929 void (*SSL_get_info_callback(SSL *ssl))(void)
1930         {
1931         return((void (*)())ssl->info_callback);
1932         }
1933
1934 int SSL_state(SSL *ssl)
1935         {
1936         return(ssl->state);
1937         }
1938
1939 void SSL_set_verify_result(SSL *ssl,long arg)
1940         {
1941         ssl->verify_result=arg;
1942         }
1943
1944 long SSL_get_verify_result(SSL *ssl)
1945         {
1946         return(ssl->verify_result);
1947         }
1948
1949 int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
1950                          CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
1951         {
1952         ssl_meth_num++;
1953         return(CRYPTO_get_ex_new_index(ssl_meth_num-1,
1954                 &ssl_meth,argl,argp,new_func,dup_func,free_func));
1955         }
1956
1957 int SSL_set_ex_data(SSL *s,int idx,void *arg)
1958         {
1959         return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1960         }
1961
1962 void *SSL_get_ex_data(SSL *s,int idx)
1963         {
1964         return(CRYPTO_get_ex_data(&s->ex_data,idx));
1965         }
1966
1967 int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
1968                              CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
1969         {
1970         ssl_ctx_meth_num++;
1971         return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1,
1972                 &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func));
1973         }
1974
1975 int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
1976         {
1977         return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1978         }
1979
1980 void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
1981         {
1982         return(CRYPTO_get_ex_data(&s->ex_data,idx));
1983         }
1984
1985 int ssl_ok(SSL *s)
1986         {
1987         return(1);
1988         }
1989
1990 X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
1991         {
1992         return(ctx->cert_store);
1993         }
1994
1995 void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
1996         {
1997         if (ctx->cert_store != NULL)
1998                 X509_STORE_free(ctx->cert_store);
1999         ctx->cert_store=store;
2000         }
2001
2002 int SSL_want(SSL *s)
2003         {
2004         return(s->rwstate);
2005         }
2006
2007 /*!
2008  * \brief Set the callback for generating temporary RSA keys.
2009  * \param ctx the SSL context.
2010  * \param cb the callback
2011  */
2012
2013 #ifndef NO_RSA
2014 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
2015                                                           int is_export,
2016                                                           int keylength))
2017     {
2018     SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2019     }
2020
2021 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
2022                                                   int is_export,
2023                                                   int keylength))
2024     {
2025     SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2026     }
2027 #endif
2028
2029 #ifdef DOXYGEN
2030 /*!
2031  * \brief The RSA temporary key callback function.
2032  * \param ssl the SSL session.
2033  * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2034  * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2035  * of the required key in bits.
2036  * \return the temporary RSA key.
2037  * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2038  */
2039
2040 RSA *cb(SSL *ssl,int is_export,int keylength)
2041     {}
2042 #endif
2043
2044 /*!
2045  * \brief Set the callback for generating temporary DH keys.
2046  * \param ctx the SSL context.
2047  * \param dh the callback
2048  */
2049
2050 #ifndef NO_DH
2051 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
2052                                                         int keylength))
2053     {
2054     SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2055     }
2056
2057 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
2058                                                 int keylength))
2059     {
2060     SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2061     }
2062 #endif
2063
2064 #if defined(_WINDLL) && defined(WIN16)
2065 #include "../crypto/bio/bss_file.c"
2066 #endif
2067
2068 IMPLEMENT_STACK_OF(SSL_CIPHER)
2069 IMPLEMENT_STACK_OF(SSL_COMP)