ssl/ssltest.c

   1 /* ssl/ssltest.c */
   2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <string.h>
  62 #include <errno.h>
  63 #ifdef WIN16
  64 #define APPS_WIN16
  65 #endif
  66 #include "bio.h"
  67 #include "crypto.h"
  68 #include "../e_os.h"
  69 #include "x509.h"
  70 #include "ssl.h"
  71 #include "err.h"
  72
  73 #ifdef WIN16
  74 #define APPS_WIN16
  75 #include "../crypto/bio/bss_file.c"
  76 #endif
  77
  78 #define TEST_SERVER_CERT "../apps/server.pem"
  79 #define TEST_CLIENT_CERT "../apps/client.pem"
  80
  81 #ifndef NOPROTO
  82 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
  83 static DH *get_dh512(void);
  84 #else
  85 int MS_CALLBACK verify_callback();
  86 static DH *get_dh512();
  87 #endif
  88
  89 BIO *bio_err=NULL;
  90 BIO *bio_stdout=NULL;
  91
  92 static char *cipher=NULL;
  93 int verbose=0;
  94 #ifdef FIONBIO
  95 static int s_nbio=0;
  96 #endif
  97
  98
  99 #ifndef  NOPROTO
 100 int doit(SSL_CTX *s_ctx,SSL_CTX *c_ctx);
 101 #else
 102 int doit();
 103 #endif
 104
 105 static void sv_usage()
 106         {
 107         fprintf(stderr,"usage: ssltest [args ...]\n");
 108         fprintf(stderr,"\n");
 109         fprintf(stderr," -server_auth  - check server certificate\n");
 110         fprintf(stderr," -client_auth  - do client authentication\n");
 111         fprintf(stderr," -v            - more output\n");
 112 #ifndef NO_SSL2
 113         fprintf(stderr," -ssl2         - use SSLv2\n");
 114 #endif
 115 #ifndef NO_SSL3
 116         fprintf(stderr," -ssl3         - use SSLv3\n");
 117 #endif
 118         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 119         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 120         }
 121
 122 int main(argc, argv)
 123 int argc;
 124 char *argv[];
 125         {
 126         char *CApath=NULL,*CAfile=NULL;
 127         int badop=0;
 128         int ssl2=0,ssl3=0,ret=1;
 129         int client_auth=0;
 130         int server_auth=0;
 131         char *server_cert=TEST_SERVER_CERT;
 132         char *client_cert=TEST_CLIENT_CERT;
 133         SSL_CTX *s_ctx=NULL;
 134         SSL_CTX *c_ctx=NULL;
 135         SSL_METHOD *meth=NULL;
 136         DH *dh;
 137
 138         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 139         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 140
 141         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 142
 143         argc--;
 144         argv++;
 145
 146         while (argc >= 1)
 147                 {
 148                 if      (strcmp(*argv,"-server_auth") == 0)
 149                         server_auth=1;
 150                 else if (strcmp(*argv,"-client_auth") == 0)
 151                         client_auth=1;
 152                 else if (strcmp(*argv,"-v") == 0)
 153                         verbose=1;
 154                 else if (strcmp(*argv,"-ssl2") == 0)
 155                         ssl2=1;
 156                 else if (strcmp(*argv,"-ssl3") == 0)
 157                         ssl3=1;
 158                 else if (strcmp(*argv,"-cert") == 0)
 159                         {
 160                         if (--argc < 1) goto bad;
 161                         server_cert= *(++argv);
 162                         }
 163                 else if (strcmp(*argv,"-s_cert") == 0)
 164                         {
 165                         if (--argc < 1) goto bad;
 166                         server_cert= *(++argv);
 167                         }
 168                 else if (strcmp(*argv,"-c_cert") == 0)
 169                         {
 170                         if (--argc < 1) goto bad;
 171                         client_cert= *(++argv);
 172                         }
 173                 else if (strcmp(*argv,"-cipher") == 0)
 174                         {
 175                         if (--argc < 1) goto bad;
 176                         cipher= *(++argv);
 177                         }
 178                 else if (strcmp(*argv,"-CApath") == 0)
 179                         {
 180                         if (--argc < 1) goto bad;
 181                         CApath= *(++argv);
 182                         }
 183                 else if (strcmp(*argv,"-CAfile") == 0)
 184                         {
 185                         if (--argc < 1) goto bad;
 186                         CAfile= *(++argv);
 187                         }
 188                 else
 189                         {
 190                         fprintf(stderr,"unknown option %s\n",*argv);
 191                         badop=1;
 192                         break;
 193                         }
 194                 argc--;
 195                 argv++;
 196                 }
 197         if (badop)
 198                 {
 199 bad:
 200                 sv_usage();
 201                 goto end;
 202                 }
 203
 204 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 205
 206         SSLeay_add_ssl_algorithms();
 207         SSL_load_error_strings();
 208
 209 #if !defined(NO_SSL2) && !defined(NO_SSL3)
 210         if (ssl2)
 211                 meth=SSLv2_method();
 212         else
 213         if (ssl3)
 214                 meth=SSLv3_method();
 215         else
 216                 meth=SSLv23_method();
 217 #else
 218 #ifdef NO_SSL2
 219         meth=SSLv3_method();
 220 #else
 221         meth=SSLv2_method();
 222 #endif
 223 #endif
 224
 225         c_ctx=SSL_CTX_new(meth);
 226         s_ctx=SSL_CTX_new(meth);
 227         if ((c_ctx == NULL) || (s_ctx == NULL))
 228                 {
 229                 ERR_print_errors(bio_err);
 230                 goto end;
 231                 }
 232
 233         if (cipher != NULL)
 234                 {
 235                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 236                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 237                 }
 238
 239 #ifndef NO_DH
 240         dh=get_dh512();
 241         SSL_CTX_set_tmp_dh(s_ctx,dh);
 242         DH_free(dh);
 243 #endif
 244
 245         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 246                 {
 247                 ERR_print_errors(bio_err);
 248                 }
 249         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,server_cert,
 250                 SSL_FILETYPE_PEM))
 251                 {
 252                 ERR_print_errors(bio_err);
 253                 goto end;
 254                 }
 255
 256         if (client_auth)
 257                 {
 258                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 259                         SSL_FILETYPE_PEM);
 260                 SSL_CTX_use_PrivateKey_file(c_ctx,client_cert,
 261                         SSL_FILETYPE_PEM);
 262                 }
 263
 264         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 265                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 266                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 267                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 268                 {
 269                 fprintf(stderr,"SSL_load_verify_locations\n");
 270                 ERR_print_errors(bio_err);
 271                 goto end;
 272                 }
 273
 274         if (client_auth)
 275                 {
 276                 fprintf(stderr,"client authentication\n");
 277                 SSL_CTX_set_verify(s_ctx,
 278                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 279                         verify_callback);
 280                 }
 281         if (server_auth)
 282                 {
 283                 fprintf(stderr,"server authentication\n");
 284                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 285                         verify_callback);
 286                 }
 287
 288         ret=doit(s_ctx,c_ctx);
 289 end:
 290         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 291         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 292
 293         if (bio_stdout != NULL) BIO_free(bio_stdout);
 294
 295         ERR_remove_state(0);
 296         EVP_cleanup();
 297         CRYPTO_mem_leaks(bio_err);
 298         EXIT(ret);
 299         }
 300
 301 #define W_READ  1
 302 #define W_WRITE 2
 303 #define C_DONE  1
 304 #define S_DONE  2
 305
 306 int doit(s_ctx,c_ctx)
 307 SSL_CTX *s_ctx,*c_ctx;
 308         {
 309         static char cbuf[200],sbuf[200];
 310         int ret=1;
 311         SSL *c_ssl=NULL;
 312         SSL *s_ssl=NULL;
 313         BIO *c_to_s=NULL;
 314         BIO *s_to_c=NULL;
 315         BIO *c_bio=NULL;
 316         BIO *s_bio=NULL;
 317         int c_r,c_w,s_r,s_w;
 318         int c_want,s_want;
 319         int i;
 320         int done=0;
 321         int c_write,s_write;
 322         int do_server=0,do_client=0;
 323         SSL_CIPHER *ciph;
 324
 325         c_ssl=SSL_new(c_ctx);
 326         s_ssl=SSL_new(s_ctx);
 327         if ((s_ssl == NULL) || (c_ssl == NULL))
 328                 {
 329                 ERR_print_errors(bio_err);
 330                 goto err;
 331                 }
 332
 333         c_to_s=BIO_new(BIO_s_mem());
 334         s_to_c=BIO_new(BIO_s_mem());
 335         if ((s_to_c == NULL) || (c_to_s == NULL))
 336                 {
 337                 ERR_print_errors(bio_err);
 338                 goto err;
 339                 }
 340
 341         c_bio=BIO_new(BIO_f_ssl());
 342         s_bio=BIO_new(BIO_f_ssl());
 343         if ((c_bio == NULL) || (s_bio == NULL))
 344                 {
 345                 ERR_print_errors(bio_err);
 346                 goto err;
 347                 }
 348
 349         SSL_set_connect_state(c_ssl);
 350         SSL_set_bio(c_ssl,s_to_c,c_to_s);
 351         BIO_set_ssl(c_bio,c_ssl,BIO_CLOSE);
 352
 353         SSL_set_accept_state(s_ssl);
 354         SSL_set_bio(s_ssl,c_to_s,s_to_c);
 355         BIO_set_ssl(s_bio,s_ssl,BIO_CLOSE);
 356
 357         c_r=0; s_r=1;
 358         c_w=1; s_w=0;
 359         c_want=W_WRITE;
 360         s_want=0;
 361         c_write=1,s_write=0;
 362
 363         /* We can always do writes */
 364         for (;;)
 365                 {
 366                 do_server=0;
 367                 do_client=0;
 368
 369                 i=(int)BIO_pending(s_bio);
 370                 if ((i && s_r) || s_w) do_server=1;
 371
 372                 i=(int)BIO_pending(c_bio);
 373                 if ((i && c_r) || c_w) do_client=1;
 374
 375                 if (do_server && verbose)
 376                         {
 377                         if (SSL_in_init(s_ssl))
 378                                 printf("server waiting in SSL_accept - %s\n",
 379                                         SSL_state_string_long(s_ssl));
 380                         else if (s_write)
 381                                 printf("server:SSL_write()\n");
 382                         else
 383                                 printf("server:SSL_read()\n");
 384                         }
 385
 386                 if (do_client && verbose)
 387                         {
 388                         if (SSL_in_init(c_ssl))
 389                                 printf("client waiting in SSL_connect - %s\n",
 390                                         SSL_state_string_long(c_ssl));
 391                         else if (c_write)
 392                                 printf("client:SSL_write()\n");
 393                         else
 394                                 printf("client:SSL_read()\n");
 395                         }
 396
 397                 if (!do_client && !do_server)
 398                         {
 399                         fprintf(stdout,"ERROR IN STARTUP\n");
 400                         ERR_print_errors(bio_err);
 401                         break;
 402                         }
 403                 if (do_client && !(done & C_DONE))
 404                         {
 405                         if (c_write)
 406                                 {
 407                                 i=BIO_write(c_bio,"hello from client\n",18);
 408                                 if (i < 0)
 409                                         {
 410                                         c_r=0;
 411                                         c_w=0;
 412                                         if (BIO_should_retry(c_bio))
 413                                                 {
 414                                                 if (BIO_should_read(c_bio))
 415                                                         c_r=1;
 416                                                 if (BIO_should_write(c_bio))
 417                                                         c_w=1;
 418                                                 }
 419                                         else
 420                                                 {
 421                                                 fprintf(stderr,"ERROR in CLIENT\n");
 422                                                 ERR_print_errors(bio_err);
 423                                                 goto err;
 424                                                 }
 425                                         }
 426                                 else if (i == 0)
 427                                         {
 428                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 429                                         goto err;
 430                                         }
 431                                 else
 432                                         {
 433                                         /* ok */
 434                                         c_write=0;
 435                                         }
 436                                 }
 437                         else
 438                                 {
 439                                 i=BIO_read(c_bio,cbuf,100);
 440                                 if (i < 0)
 441                                         {
 442                                         c_r=0;
 443                                         c_w=0;
 444                                         if (BIO_should_retry(c_bio))
 445                                                 {
 446                                                 if (BIO_should_read(c_bio))
 447                                                         c_r=1;
 448                                                 if (BIO_should_write(c_bio))
 449                                                         c_w=1;
 450                                                 }
 451                                         else
 452                                                 {
 453                                                 fprintf(stderr,"ERROR in CLIENT\n");
 454                                                 ERR_print_errors(bio_err);
 455                                                 goto err;
 456                                                 }
 457                                         }
 458                                 else if (i == 0)
 459                                         {
 460                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 461                                         goto err;
 462                                         }
 463                                 else
 464                                         {
 465                                         done|=C_DONE;
 466                                         fprintf(stdout,"CLIENT:from server:");
 467                                         fwrite(cbuf,1,i,stdout);
 468                                         fflush(stdout);
 469                                         }
 470                                 }
 471                         }
 472
 473                 if (do_server && !(done & S_DONE))
 474                         {
 475                         if (!s_write)
 476                                 {
 477                                 i=BIO_read(s_bio,sbuf,100);
 478                                 if (i < 0)
 479                                         {
 480                                         s_r=0;
 481                                         s_w=0;
 482                                         if (BIO_should_retry(s_bio))
 483                                                 {
 484                                                 if (BIO_should_read(s_bio))
 485                                                         s_r=1;
 486                                                 if (BIO_should_write(s_bio))
 487                                                         s_w=1;
 488                                                 }
 489                                         else
 490                                                 {
 491                                                 fprintf(stderr,"ERROR in SERVER\n");
 492                                                 ERR_print_errors(bio_err);
 493                                                 goto err;
 494                                                 }
 495                                         }
 496                                 else if (i == 0)
 497                                         {
 498                                         ERR_print_errors(bio_err);
 499                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
 500                                         goto err;
 501                                         }
 502                                 else
 503                                         {
 504                                         s_write=1;
 505                                         s_w=1;
 506                                         fprintf(stdout,"SERVER:from client:");
 507                                         fwrite(sbuf,1,i,stdout);
 508                                         fflush(stdout);
 509                                         }
 510                                 }
 511                         else
 512                                 {
 513                                 i=BIO_write(s_bio,"hello from server\n",18);
 514                                 if (i < 0)
 515                                         {
 516                                         s_r=0;
 517                                         s_w=0;
 518                                         if (BIO_should_retry(s_bio))
 519                                                 {
 520                                                 if (BIO_should_read(s_bio))
 521                                                         s_r=1;
 522                                                 if (BIO_should_write(s_bio))
 523                                                         s_w=1;
 524                                                 }
 525                                         else
 526                                                 {
 527                                                 fprintf(stderr,"ERROR in SERVER\n");
 528                                                 ERR_print_errors(bio_err);
 529                                                 goto err;
 530                                                 }
 531                                         }
 532                                 else if (i == 0)
 533                                         {
 534                                         ERR_print_errors(bio_err);
 535                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
 536                                         goto err;
 537                                         }
 538                                 else
 539                                         {
 540                                         s_write=0;
 541                                         s_r=1;
 542                                         done|=S_DONE;
 543                                         }
 544                                 }
 545                         }
 546
 547                 if ((done & S_DONE) && (done & C_DONE)) break;
 548                 }
 549
 550         ciph=SSL_get_current_cipher(c_ssl);
 551         fprintf(stdout,"DONE, used %s, %s\n",SSL_CIPHER_get_version(ciph),
 552                 SSL_CIPHER_get_name(ciph));
 553         ret=0;
 554 err:
 555         /* We have to set the BIO's to NULL otherwise they will be
 556          * Free()ed twice.  Once when th s_ssl is SSL_free()ed and
 557          * again when c_ssl is SSL_free()ed.
 558          * This is a hack required because s_ssl and c_ssl are sharing the same
 559          * BIO structure and SSL_set_bio() and SSL_free() automatically
 560          * BIO_free non NULL entries.
 561          * You should not normally do this or be required to do this */
 562         if (s_ssl != NULL)
 563                 {
 564                 s_ssl->rbio=NULL;
 565                 s_ssl->wbio=NULL;
 566                 }
 567         if (c_ssl != NULL)
 568                 {
 569                 c_ssl->rbio=NULL;
 570                 c_ssl->wbio=NULL;
 571                 }
 572
 573         if (c_to_s != NULL) BIO_free(c_to_s);
 574         if (s_to_c != NULL) BIO_free(s_to_c);
 575         if (c_bio != NULL) BIO_free(c_bio);
 576         if (s_bio != NULL) BIO_free(s_bio);
 577         return(ret);
 578         }
 579
 580 int MS_CALLBACK verify_callback(ok, ctx)
 581 int ok;
 582 X509_STORE_CTX *ctx;
 583         {
 584         char *s,buf[256];
 585
 586         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
 587         if (s != NULL)
 588                 {
 589                 if (ok)
 590                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
 591                 else
 592                         fprintf(stderr,"depth=%d error=%d %s\n",
 593                                 ctx->error_depth,ctx->error,buf);
 594                 }
 595
 596         if (ok == 0)
 597                 {
 598                 switch (ctx->error)
 599                         {
 600                 case X509_V_ERR_CERT_NOT_YET_VALID:
 601                 case X509_V_ERR_CERT_HAS_EXPIRED:
 602                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
 603                         ok=1;
 604                         }
 605                 }
 606
 607         return(ok);
 608         }
 609
 610 static unsigned char dh512_p[]={
 611         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 612         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 613         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 614         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 615         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 616         0x47,0x74,0xE8,0x33,
 617         };
 618 static unsigned char dh512_g[]={
 619         0x02,
 620         };
 621
 622 static DH *get_dh512()
 623         {
 624         DH *dh=NULL;
 625
 626 #ifndef NO_DH
 627         if ((dh=DH_new()) == NULL) return(NULL);
 628         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 629         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 630         if ((dh->p == NULL) || (dh->g == NULL))
 631                 return(NULL);
 632 #endif
 633         return(dh);
 634         }
 635