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