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