1 /* $OpenBSD: ssltest.c,v 1.38 2023/04/15 16:17:57 tb Exp $ */ 2 /* Copyright (C) 1995-1998 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 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111 /* ==================================================================== 112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113 * ECC cipher suite support in OpenSSL originally developed by 114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 115 */ 116 /* ==================================================================== 117 * Copyright 2005 Nokia. All rights reserved. 118 * 119 * The portions of the attached software ("Contribution") is developed by 120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 121 * license. 122 * 123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 125 * support (see RFC 4279) to OpenSSL. 126 * 127 * No patent licenses or other rights except those expressly stated in 128 * the OpenSSL open source license shall be deemed granted or received 129 * expressly, by implication, estoppel, or otherwise. 130 * 131 * No assurances are provided by Nokia that the Contribution does not 132 * infringe the patent or other intellectual property rights of any third 133 * party or that the license provides you with all the necessary rights 134 * to make use of the Contribution. 135 * 136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 140 * OTHERWISE. 141 */ 142 143 #define _BSD_SOURCE 1 /* Or gethostname won't be declared properly 144 on Linux and GNU platforms. */ 145 #include <sys/types.h> 146 #include <sys/socket.h> 147 148 #include <netinet/in.h> 149 150 #include <assert.h> 151 #include <errno.h> 152 #include <limits.h> 153 #include <netdb.h> 154 #include <stdio.h> 155 #include <stdlib.h> 156 #include <string.h> 157 #include <time.h> 158 #include <unistd.h> 159 160 #include <ctype.h> 161 162 #include <openssl/opensslconf.h> 163 #include <openssl/bio.h> 164 #include <openssl/crypto.h> 165 #include <openssl/evp.h> 166 #include <openssl/x509.h> 167 #include <openssl/x509v3.h> 168 #include <openssl/ssl.h> 169 #ifndef OPENSSL_NO_ENGINE 170 #include <openssl/engine.h> 171 #endif 172 #include <openssl/err.h> 173 #include <openssl/rand.h> 174 #include <openssl/rsa.h> 175 #include <openssl/dsa.h> 176 #include <openssl/dh.h> 177 #include <openssl/bn.h> 178 179 #include "ssl_local.h" 180 181 #define TEST_SERVER_CERT "../apps/server.pem" 182 #define TEST_CLIENT_CERT "../apps/client.pem" 183 184 static int verify_callback(int ok, X509_STORE_CTX *ctx); 185 static int app_verify_callback(X509_STORE_CTX *ctx, void *arg); 186 #define APP_CALLBACK_STRING "Test Callback Argument" 187 struct app_verify_arg { 188 char *string; 189 int app_verify; 190 int allow_proxy_certs; 191 char *proxy_auth; 192 char *proxy_cond; 193 }; 194 195 static DH *get_dh1024(void); 196 static DH *get_dh1024dsa(void); 197 198 static BIO *bio_err = NULL; 199 static BIO *bio_stdout = NULL; 200 201 static const char *alpn_client; 202 static const char *alpn_server; 203 static const char *alpn_expected; 204 static unsigned char *alpn_selected; 205 206 /* 207 * next_protos_parse parses a comma separated list of strings into a string 208 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised. 209 * outlen: (output) set to the length of the resulting buffer on success. 210 * err: (maybe NULL) on failure, an error message line is written to this BIO. 211 * in: a NUL terminated string like "abc,def,ghi" 212 * 213 * returns: a malloced buffer or NULL on failure. 214 */ 215 static unsigned char * 216 next_protos_parse(unsigned short *outlen, const char *in) 217 { 218 size_t i, len, start = 0; 219 unsigned char *out; 220 221 len = strlen(in); 222 if (len >= 65535) 223 return (NULL); 224 225 if ((out = malloc(strlen(in) + 1)) == NULL) 226 return (NULL); 227 228 for (i = 0; i <= len; ++i) { 229 if (i == len || in[i] == ',') { 230 if (i - start > 255) { 231 free(out); 232 return (NULL); 233 } 234 out[start] = i - start; 235 start = i + 1; 236 } else 237 out[i+1] = in[i]; 238 } 239 *outlen = len + 1; 240 return (out); 241 } 242 243 static int 244 cb_server_alpn(SSL *s, const unsigned char **out, unsigned char *outlen, 245 const unsigned char *in, unsigned int inlen, void *arg) 246 { 247 unsigned char *protos; 248 unsigned short protos_len; 249 250 if ((protos = next_protos_parse(&protos_len, alpn_server)) == NULL) { 251 fprintf(stderr, 252 "failed to parser ALPN server protocol string: %s\n", 253 alpn_server); 254 abort(); 255 } 256 257 if (SSL_select_next_proto((unsigned char **)out, outlen, protos, 258 protos_len, in, inlen) != OPENSSL_NPN_NEGOTIATED) { 259 free(protos); 260 return (SSL_TLSEXT_ERR_NOACK); 261 } 262 263 /* 264 * Make a copy of the selected protocol which will be freed in 265 * verify_alpn. 266 */ 267 if ((alpn_selected = malloc(*outlen)) == NULL) { 268 fprintf(stderr, "malloc failed\n"); 269 abort(); 270 } 271 memcpy(alpn_selected, *out, *outlen); 272 *out = alpn_selected; 273 free(protos); 274 275 return (SSL_TLSEXT_ERR_OK); 276 } 277 278 static int 279 verify_alpn(SSL *client, SSL *server) 280 { 281 const unsigned char *client_proto, *server_proto; 282 unsigned int client_proto_len = 0, server_proto_len = 0; 283 284 SSL_get0_alpn_selected(client, &client_proto, &client_proto_len); 285 SSL_get0_alpn_selected(server, &server_proto, &server_proto_len); 286 287 free(alpn_selected); 288 alpn_selected = NULL; 289 290 if (client_proto_len != server_proto_len || 291 memcmp(client_proto, server_proto, client_proto_len) != 0) { 292 BIO_printf(bio_stdout, "ALPN selected protocols differ!\n"); 293 goto err; 294 } 295 296 if (client_proto_len > 0 && alpn_expected == NULL) { 297 BIO_printf(bio_stdout, "ALPN unexpectedly negotiated\n"); 298 goto err; 299 } 300 301 if (alpn_expected != NULL && 302 (client_proto_len != strlen(alpn_expected) || 303 memcmp(client_proto, alpn_expected, client_proto_len) != 0)) { 304 BIO_printf(bio_stdout, "ALPN selected protocols not equal to " 305 "expected protocol: %s\n", alpn_expected); 306 goto err; 307 } 308 309 return (0); 310 311 err: 312 BIO_printf(bio_stdout, "ALPN results: client: '"); 313 BIO_write(bio_stdout, client_proto, client_proto_len); 314 BIO_printf(bio_stdout, "', server: '"); 315 BIO_write(bio_stdout, server_proto, server_proto_len); 316 BIO_printf(bio_stdout, "'\n"); 317 BIO_printf(bio_stdout, "ALPN configured: client: '%s', server: '%s'\n", 318 alpn_client, alpn_server); 319 320 return (-1); 321 } 322 323 static char *cipher = NULL; 324 static int verbose = 0; 325 static int debug = 0; 326 327 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long bytes, clock_t *s_time, 328 clock_t *c_time); 329 int doit(SSL *s_ssl, SSL *c_ssl, long bytes); 330 331 static void 332 sv_usage(void) 333 { 334 fprintf(stderr, "usage: ssltest [args ...]\n"); 335 fprintf(stderr, "\n"); 336 fprintf(stderr, " -server_auth - check server certificate\n"); 337 fprintf(stderr, " -client_auth - do client authentication\n"); 338 fprintf(stderr, " -proxy - allow proxy certificates\n"); 339 fprintf(stderr, " -proxy_auth <val> - set proxy policy rights\n"); 340 fprintf(stderr, " -proxy_cond <val> - experssion to test proxy policy rights\n"); 341 fprintf(stderr, " -v - more output\n"); 342 fprintf(stderr, " -d - debug output\n"); 343 fprintf(stderr, " -reuse - use session-id reuse\n"); 344 fprintf(stderr, " -num <val> - number of connections to perform\n"); 345 fprintf(stderr, " -bytes <val> - number of bytes to swap between client/server\n"); 346 fprintf(stderr, " -dhe1024dsa - use 1024 bit key (with 160-bit subprime) for DHE\n"); 347 fprintf(stderr, " -no_dhe - disable DHE\n"); 348 fprintf(stderr, " -no_ecdhe - disable ECDHE\n"); 349 fprintf(stderr, " -dtls1 - use DTLSv1\n"); 350 fprintf(stderr, " -tls1 - use TLSv1\n"); 351 fprintf(stderr, " -tls1_2 - use TLSv1.2\n"); 352 fprintf(stderr, " -CApath arg - PEM format directory of CA's\n"); 353 fprintf(stderr, " -CAfile arg - PEM format file of CA's\n"); 354 fprintf(stderr, " -cert arg - Server certificate file\n"); 355 fprintf(stderr, " -key arg - Server key file (default: same as -cert)\n"); 356 fprintf(stderr, " -c_cert arg - Client certificate file\n"); 357 fprintf(stderr, " -c_key arg - Client key file (default: same as -c_cert)\n"); 358 fprintf(stderr, " -cipher arg - The cipher list\n"); 359 fprintf(stderr, " -bio_pair - Use BIO pairs\n"); 360 fprintf(stderr, " -f - Test even cases that can't work\n"); 361 fprintf(stderr, " -time - measure processor time used by client and server\n"); 362 fprintf(stderr, " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \ 363 " Use \"openssl ecparam -list_curves\" for all names\n" \ 364 " (default is sect163r2).\n"); 365 fprintf(stderr, " -alpn_client <string> - have client side offer ALPN\n"); 366 fprintf(stderr, " -alpn_server <string> - have server side offer ALPN\n"); 367 fprintf(stderr, " -alpn_expected <string> - the ALPN protocol that should be negotiated\n"); 368 } 369 370 static void 371 print_details(SSL *c_ssl, const char *prefix) 372 { 373 const SSL_CIPHER *ciph; 374 X509 *cert = NULL; 375 EVP_PKEY *pkey; 376 377 ciph = SSL_get_current_cipher(c_ssl); 378 BIO_printf(bio_stdout, "%s%s, cipher %s %s", 379 prefix, SSL_get_version(c_ssl), SSL_CIPHER_get_version(ciph), 380 SSL_CIPHER_get_name(ciph)); 381 382 if ((cert = SSL_get_peer_certificate(c_ssl)) == NULL) 383 goto out; 384 if ((pkey = X509_get0_pubkey(cert)) == NULL) 385 goto out; 386 if (EVP_PKEY_id(pkey) == EVP_PKEY_RSA) { 387 RSA *rsa; 388 389 if ((rsa = EVP_PKEY_get0_RSA(pkey)) == NULL) 390 goto out; 391 392 BIO_printf(bio_stdout, ", %d bit RSA", RSA_bits(rsa)); 393 } else if (EVP_PKEY_id(pkey) == EVP_PKEY_DSA) { 394 DSA *dsa; 395 const BIGNUM *p; 396 397 if ((dsa = EVP_PKEY_get0_DSA(pkey)) == NULL) 398 goto out; 399 400 DSA_get0_pqg(dsa, &p, NULL, NULL); 401 402 BIO_printf(bio_stdout, ", %d bit DSA", BN_num_bits(p)); 403 } 404 405 out: 406 /* 407 * The SSL API does not allow us to look at temporary RSA/DH keys, 408 * otherwise we should print their lengths too 409 */ 410 BIO_printf(bio_stdout, "\n"); 411 412 X509_free(cert); 413 } 414 415 int 416 main(int argc, char *argv[]) 417 { 418 char *CApath = NULL, *CAfile = NULL; 419 int badop = 0; 420 int bio_pair = 0; 421 int force = 0; 422 int tls1 = 0, tls1_2 = 0, dtls1 = 0, ret = 1; 423 int client_auth = 0; 424 int server_auth = 0, i; 425 struct app_verify_arg app_verify_arg = 426 { APP_CALLBACK_STRING, 0, 0, NULL, NULL }; 427 char *server_cert = TEST_SERVER_CERT; 428 char *server_key = NULL; 429 char *client_cert = TEST_CLIENT_CERT; 430 char *client_key = NULL; 431 char *named_curve = NULL; 432 SSL_CTX *s_ctx = NULL; 433 SSL_CTX *c_ctx = NULL; 434 const SSL_METHOD *meth = NULL; 435 SSL *c_ssl, *s_ssl; 436 int number = 1, reuse = 0; 437 int seclevel = 0; 438 long bytes = 256L; 439 DH *dh; 440 int dhe1024dsa = 0; 441 EC_KEY *ecdh = NULL; 442 int no_dhe = 0; 443 int no_ecdhe = 0; 444 int print_time = 0; 445 clock_t s_time = 0, c_time = 0; 446 447 verbose = 0; 448 debug = 0; 449 cipher = 0; 450 451 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE|BIO_FP_TEXT); 452 453 bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE|BIO_FP_TEXT); 454 455 argc--; 456 argv++; 457 458 while (argc >= 1) { 459 if (!strcmp(*argv, "-F")) { 460 fprintf(stderr, "not compiled with FIPS support, so exiting without running.\n"); 461 exit(0); 462 } else if (strcmp(*argv, "-server_auth") == 0) 463 server_auth = 1; 464 else if (strcmp(*argv, "-client_auth") == 0) 465 client_auth = 1; 466 else if (strcmp(*argv, "-proxy_auth") == 0) { 467 if (--argc < 1) 468 goto bad; 469 app_verify_arg.proxy_auth= *(++argv); 470 } else if (strcmp(*argv, "-proxy_cond") == 0) { 471 if (--argc < 1) 472 goto bad; 473 app_verify_arg.proxy_cond= *(++argv); 474 } else if (strcmp(*argv, "-v") == 0) 475 verbose = 1; 476 else if (strcmp(*argv, "-d") == 0) 477 debug = 1; 478 else if (strcmp(*argv, "-reuse") == 0) 479 reuse = 1; 480 else if (strcmp(*argv, "-dhe1024dsa") == 0) { 481 dhe1024dsa = 1; 482 } else if (strcmp(*argv, "-no_dhe") == 0) 483 no_dhe = 1; 484 else if (strcmp(*argv, "-no_ecdhe") == 0) 485 no_ecdhe = 1; 486 else if (strcmp(*argv, "-dtls1") == 0) 487 dtls1 = 1; 488 else if (strcmp(*argv, "-tls1") == 0) 489 tls1 = 1; 490 else if (strcmp(*argv, "-tls1_2") == 0) 491 tls1_2 = 1; 492 else if (strncmp(*argv, "-num", 4) == 0) { 493 if (--argc < 1) 494 goto bad; 495 number = atoi(*(++argv)); 496 if (number == 0) 497 number = 1; 498 } else if (strncmp(*argv, "-seclevel", 9) == 0) { 499 if (--argc < 1) 500 goto bad; 501 seclevel = atoi(*(++argv)); 502 } else if (strcmp(*argv, "-bytes") == 0) { 503 if (--argc < 1) 504 goto bad; 505 bytes = atol(*(++argv)); 506 if (bytes == 0L) 507 bytes = 1L; 508 i = strlen(argv[0]); 509 if (argv[0][i - 1] == 'k') 510 bytes*=1024L; 511 if (argv[0][i - 1] == 'm') 512 bytes*=1024L*1024L; 513 } else if (strcmp(*argv, "-cert") == 0) { 514 if (--argc < 1) 515 goto bad; 516 server_cert= *(++argv); 517 } else if (strcmp(*argv, "-s_cert") == 0) { 518 if (--argc < 1) 519 goto bad; 520 server_cert= *(++argv); 521 } else if (strcmp(*argv, "-key") == 0) { 522 if (--argc < 1) 523 goto bad; 524 server_key= *(++argv); 525 } else if (strcmp(*argv, "-s_key") == 0) { 526 if (--argc < 1) 527 goto bad; 528 server_key= *(++argv); 529 } else if (strcmp(*argv, "-c_cert") == 0) { 530 if (--argc < 1) 531 goto bad; 532 client_cert= *(++argv); 533 } else if (strcmp(*argv, "-c_key") == 0) { 534 if (--argc < 1) 535 goto bad; 536 client_key= *(++argv); 537 } else if (strcmp(*argv, "-cipher") == 0) { 538 if (--argc < 1) 539 goto bad; 540 cipher= *(++argv); 541 } else if (strcmp(*argv, "-CApath") == 0) { 542 if (--argc < 1) 543 goto bad; 544 CApath= *(++argv); 545 } else if (strcmp(*argv, "-CAfile") == 0) { 546 if (--argc < 1) 547 goto bad; 548 CAfile= *(++argv); 549 } else if (strcmp(*argv, "-bio_pair") == 0) { 550 bio_pair = 1; 551 } else if (strcmp(*argv, "-f") == 0) { 552 force = 1; 553 } else if (strcmp(*argv, "-time") == 0) { 554 print_time = 1; 555 } else if (strcmp(*argv, "-named_curve") == 0) { 556 if (--argc < 1) 557 goto bad; 558 named_curve = *(++argv); 559 } else if (strcmp(*argv, "-app_verify") == 0) { 560 app_verify_arg.app_verify = 1; 561 } else if (strcmp(*argv, "-proxy") == 0) { 562 app_verify_arg.allow_proxy_certs = 1; 563 } else if (strcmp(*argv, "-alpn_client") == 0) { 564 if (--argc < 1) 565 goto bad; 566 alpn_client = *(++argv); 567 } else if (strcmp(*argv, "-alpn_server") == 0) { 568 if (--argc < 1) 569 goto bad; 570 alpn_server = *(++argv); 571 } else if (strcmp(*argv, "-alpn_expected") == 0) { 572 if (--argc < 1) 573 goto bad; 574 alpn_expected = *(++argv); 575 } else { 576 fprintf(stderr, "unknown option %s\n", *argv); 577 badop = 1; 578 break; 579 } 580 argc--; 581 argv++; 582 } 583 if (badop) { 584 bad: 585 sv_usage(); 586 goto end; 587 } 588 589 if (!dtls1 && !tls1 && !tls1_2 && number > 1 && !reuse && !force) { 590 fprintf(stderr, 591 "This case cannot work. Use -f to perform " 592 "the test anyway (and\n-d to see what happens), " 593 "or add one of -dtls1, -tls1, -tls1_2, -reuse\n" 594 "to avoid protocol mismatch.\n"); 595 exit(1); 596 } 597 598 if (print_time) { 599 if (!bio_pair) { 600 fprintf(stderr, "Using BIO pair (-bio_pair)\n"); 601 bio_pair = 1; 602 } 603 if (number < 50 && !force) 604 fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n"); 605 } 606 607 /* if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */ 608 609 SSL_library_init(); 610 SSL_load_error_strings(); 611 612 if (dtls1) 613 meth = DTLSv1_method(); 614 else if (tls1) 615 meth = TLSv1_method(); 616 else if (tls1_2) 617 meth = TLSv1_2_method(); 618 else 619 meth = TLS_method(); 620 621 c_ctx = SSL_CTX_new(meth); 622 s_ctx = SSL_CTX_new(meth); 623 if ((c_ctx == NULL) || (s_ctx == NULL)) { 624 ERR_print_errors(bio_err); 625 goto end; 626 } 627 628 SSL_CTX_set_security_level(c_ctx, seclevel); 629 SSL_CTX_set_security_level(s_ctx, seclevel); 630 631 if (cipher != NULL) { 632 SSL_CTX_set_cipher_list(c_ctx, cipher); 633 SSL_CTX_set_cipher_list(s_ctx, cipher); 634 } 635 636 if (!no_dhe) { 637 if (dhe1024dsa) { 638 /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */ 639 SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE); 640 dh = get_dh1024dsa(); 641 } else 642 dh = get_dh1024(); 643 SSL_CTX_set_tmp_dh(s_ctx, dh); 644 DH_free(dh); 645 } 646 647 if (!no_ecdhe) { 648 int nid; 649 650 if (named_curve != NULL) { 651 nid = OBJ_sn2nid(named_curve); 652 if (nid == 0) { 653 BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve); 654 goto end; 655 } 656 } else 657 nid = NID_X9_62_prime256v1; 658 659 ecdh = EC_KEY_new_by_curve_name(nid); 660 if (ecdh == NULL) { 661 BIO_printf(bio_err, "unable to create curve\n"); 662 goto end; 663 } 664 665 SSL_CTX_set_tmp_ecdh(s_ctx, ecdh); 666 SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE); 667 EC_KEY_free(ecdh); 668 } 669 670 if (!SSL_CTX_use_certificate_chain_file(s_ctx, server_cert)) { 671 ERR_print_errors(bio_err); 672 } else if (!SSL_CTX_use_PrivateKey_file(s_ctx, 673 (server_key ? server_key : server_cert), SSL_FILETYPE_PEM)) { 674 ERR_print_errors(bio_err); 675 goto end; 676 } 677 678 if (client_auth) { 679 SSL_CTX_use_certificate_chain_file(c_ctx, client_cert); 680 SSL_CTX_use_PrivateKey_file(c_ctx, 681 (client_key ? client_key : client_cert), 682 SSL_FILETYPE_PEM); 683 } 684 685 if ((!SSL_CTX_load_verify_locations(s_ctx, CAfile, CApath)) || 686 (!SSL_CTX_set_default_verify_paths(s_ctx)) || 687 (!SSL_CTX_load_verify_locations(c_ctx, CAfile, CApath)) || 688 (!SSL_CTX_set_default_verify_paths(c_ctx))) { 689 /* fprintf(stderr,"SSL_load_verify_locations\n"); */ 690 ERR_print_errors(bio_err); 691 /* goto end; */ 692 } 693 694 if (client_auth) { 695 BIO_printf(bio_err, "client authentication\n"); 696 SSL_CTX_set_verify(s_ctx, 697 SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT, 698 verify_callback); 699 SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, 700 &app_verify_arg); 701 } 702 if (server_auth) { 703 BIO_printf(bio_err, "server authentication\n"); 704 SSL_CTX_set_verify(c_ctx, SSL_VERIFY_PEER, 705 verify_callback); 706 SSL_CTX_set_cert_verify_callback(c_ctx, app_verify_callback, 707 &app_verify_arg); 708 } 709 710 { 711 int session_id_context = 0; 712 SSL_CTX_set_session_id_context(s_ctx, 713 (void *)&session_id_context, sizeof(session_id_context)); 714 } 715 716 if (alpn_server != NULL) 717 SSL_CTX_set_alpn_select_cb(s_ctx, cb_server_alpn, NULL); 718 719 if (alpn_client != NULL) { 720 unsigned short alpn_len; 721 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_client); 722 723 if (alpn == NULL) { 724 BIO_printf(bio_err, "Error parsing -alpn_client argument\n"); 725 goto end; 726 } 727 SSL_CTX_set_alpn_protos(c_ctx, alpn, alpn_len); 728 free(alpn); 729 } 730 731 c_ssl = SSL_new(c_ctx); 732 s_ssl = SSL_new(s_ctx); 733 734 for (i = 0; i < number; i++) { 735 if (!reuse) 736 SSL_set_session(c_ssl, NULL); 737 if (bio_pair) 738 ret = doit_biopair(s_ssl, c_ssl, bytes, &s_time, 739 &c_time); 740 else 741 ret = doit(s_ssl, c_ssl, bytes); 742 } 743 744 if (!verbose) { 745 print_details(c_ssl, ""); 746 } 747 if ((number > 1) || (bytes > 1L)) 748 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n", 749 number, bytes); 750 if (print_time) { 751 #ifdef CLOCKS_PER_SEC 752 /* "To determine the time in seconds, the value returned 753 * by the clock function should be divided by the value 754 * of the macro CLOCKS_PER_SEC." 755 * -- ISO/IEC 9899 */ 756 BIO_printf(bio_stdout, 757 "Approximate total server time: %6.2f s\n" 758 "Approximate total client time: %6.2f s\n", 759 (double)s_time/CLOCKS_PER_SEC, 760 (double)c_time/CLOCKS_PER_SEC); 761 #else 762 /* "`CLOCKS_PER_SEC' undeclared (first use this function)" 763 * -- cc on NeXTstep/OpenStep */ 764 BIO_printf(bio_stdout, 765 "Approximate total server time: %6.2f units\n" 766 "Approximate total client time: %6.2f units\n", 767 (double)s_time, 768 (double)c_time); 769 #endif 770 } 771 772 SSL_free(s_ssl); 773 SSL_free(c_ssl); 774 775 end: 776 SSL_CTX_free(s_ctx); 777 SSL_CTX_free(c_ctx); 778 BIO_free(bio_stdout); 779 780 #ifndef OPENSSL_NO_ENGINE 781 ENGINE_cleanup(); 782 #endif 783 CRYPTO_cleanup_all_ex_data(); 784 ERR_free_strings(); 785 ERR_remove_thread_state(NULL); 786 EVP_cleanup(); 787 CRYPTO_mem_leaks(bio_err); 788 BIO_free(bio_err); 789 790 exit(ret); 791 return ret; 792 } 793 794 int 795 doit_biopair(SSL *s_ssl, SSL *c_ssl, long count, clock_t *s_time, 796 clock_t *c_time) 797 { 798 long cw_num = count, cr_num = count, sw_num = count, sr_num = count; 799 BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL; 800 BIO *server = NULL, *server_io = NULL; 801 BIO *client = NULL, *client_io = NULL; 802 int ret = 1; 803 804 size_t bufsiz = 256; /* small buffer for testing */ 805 806 if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz)) 807 goto err; 808 if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz)) 809 goto err; 810 811 s_ssl_bio = BIO_new(BIO_f_ssl()); 812 if (!s_ssl_bio) 813 goto err; 814 815 c_ssl_bio = BIO_new(BIO_f_ssl()); 816 if (!c_ssl_bio) 817 goto err; 818 819 SSL_set_connect_state(c_ssl); 820 SSL_set_bio(c_ssl, client, client); 821 (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE); 822 823 SSL_set_accept_state(s_ssl); 824 SSL_set_bio(s_ssl, server, server); 825 (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE); 826 827 do { 828 /* c_ssl_bio: SSL filter BIO 829 * 830 * client: pseudo-I/O for SSL library 831 * 832 * client_io: client's SSL communication; usually to be 833 * relayed over some I/O facility, but in this 834 * test program, we're the server, too: 835 * 836 * server_io: server's SSL communication 837 * 838 * server: pseudo-I/O for SSL library 839 * 840 * s_ssl_bio: SSL filter BIO 841 * 842 * The client and the server each employ a "BIO pair": 843 * client + client_io, server + server_io. 844 * BIO pairs are symmetric. A BIO pair behaves similar 845 * to a non-blocking socketpair (but both endpoints must 846 * be handled by the same thread). 847 * [Here we could connect client and server to the ends 848 * of a single BIO pair, but then this code would be less 849 * suitable as an example for BIO pairs in general.] 850 * 851 * Useful functions for querying the state of BIO pair endpoints: 852 * 853 * BIO_ctrl_pending(bio) number of bytes we can read now 854 * BIO_ctrl_get_read_request(bio) number of bytes needed to fulfil 855 * other side's read attempt 856 * BIO_ctrl_get_write_guarantee(bio) number of bytes we can write now 857 * 858 * ..._read_request is never more than ..._write_guarantee; 859 * it depends on the application which one you should use. 860 */ 861 862 /* We have non-blocking behaviour throughout this test program, but 863 * can be sure that there is *some* progress in each iteration; so 864 * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE 865 * -- we just try everything in each iteration 866 */ 867 868 { 869 /* CLIENT */ 870 871 char cbuf[1024*8]; 872 int i, r; 873 clock_t c_clock = clock(); 874 875 memset(cbuf, 0, sizeof(cbuf)); 876 877 if (debug) 878 if (SSL_in_init(c_ssl)) 879 printf("client waiting in SSL_connect - %s\n", 880 SSL_state_string_long(c_ssl)); 881 882 if (cw_num > 0) { 883 /* Write to server. */ 884 885 if (cw_num > (long)sizeof cbuf) 886 i = sizeof cbuf; 887 else 888 i = (int)cw_num; 889 r = BIO_write(c_ssl_bio, cbuf, i); 890 if (r < 0) { 891 if (!BIO_should_retry(c_ssl_bio)) { 892 fprintf(stderr, "ERROR in CLIENT\n"); 893 goto err; 894 } 895 /* BIO_should_retry(...) can just be ignored here. 896 * The library expects us to call BIO_write with 897 * the same arguments again, and that's what we will 898 * do in the next iteration. */ 899 } else if (r == 0) { 900 fprintf(stderr, "SSL CLIENT STARTUP FAILED\n"); 901 goto err; 902 } else { 903 if (debug) 904 printf("client wrote %d\n", r); 905 cw_num -= r; 906 907 } 908 } 909 910 if (cr_num > 0) { 911 /* Read from server. */ 912 913 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf)); 914 if (r < 0) { 915 if (!BIO_should_retry(c_ssl_bio)) { 916 fprintf(stderr, "ERROR in CLIENT\n"); 917 goto err; 918 } 919 /* Again, "BIO_should_retry" can be ignored. */ 920 } else if (r == 0) { 921 fprintf(stderr, "SSL CLIENT STARTUP FAILED\n"); 922 goto err; 923 } else { 924 if (debug) 925 printf("client read %d\n", r); 926 cr_num -= r; 927 } 928 } 929 930 /* c_time and s_time increments will typically be very small 931 * (depending on machine speed and clock tick intervals), 932 * but sampling over a large number of connections should 933 * result in fairly accurate figures. We cannot guarantee 934 * a lot, however -- if each connection lasts for exactly 935 * one clock tick, it will be counted only for the client 936 * or only for the server or even not at all. 937 */ 938 *c_time += (clock() - c_clock); 939 } 940 941 { 942 /* SERVER */ 943 944 char sbuf[1024*8]; 945 int i, r; 946 clock_t s_clock = clock(); 947 948 memset(sbuf, 0, sizeof(sbuf)); 949 950 if (debug) 951 if (SSL_in_init(s_ssl)) 952 printf("server waiting in SSL_accept - %s\n", 953 SSL_state_string_long(s_ssl)); 954 955 if (sw_num > 0) { 956 /* Write to client. */ 957 958 if (sw_num > (long)sizeof sbuf) 959 i = sizeof sbuf; 960 else 961 i = (int)sw_num; 962 r = BIO_write(s_ssl_bio, sbuf, i); 963 if (r < 0) { 964 if (!BIO_should_retry(s_ssl_bio)) { 965 fprintf(stderr, "ERROR in SERVER\n"); 966 goto err; 967 } 968 /* Ignore "BIO_should_retry". */ 969 } else if (r == 0) { 970 fprintf(stderr, "SSL SERVER STARTUP FAILED\n"); 971 goto err; 972 } else { 973 if (debug) 974 printf("server wrote %d\n", r); 975 sw_num -= r; 976 977 } 978 } 979 980 if (sr_num > 0) { 981 /* Read from client. */ 982 983 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf)); 984 if (r < 0) { 985 if (!BIO_should_retry(s_ssl_bio)) { 986 fprintf(stderr, "ERROR in SERVER\n"); 987 goto err; 988 } 989 /* blah, blah */ 990 } else if (r == 0) { 991 fprintf(stderr, "SSL SERVER STARTUP FAILED\n"); 992 goto err; 993 } else { 994 if (debug) 995 printf("server read %d\n", r); 996 sr_num -= r; 997 } 998 } 999 1000 *s_time += (clock() - s_clock); 1001 } 1002 1003 { 1004 /* "I/O" BETWEEN CLIENT AND SERVER. */ 1005 1006 size_t r1, r2; 1007 BIO *io1 = server_io, *io2 = client_io; 1008 /* we use the non-copying interface for io1 1009 * and the standard BIO_write/BIO_read interface for io2 1010 */ 1011 1012 static int prev_progress = 1; 1013 int progress = 0; 1014 1015 /* io1 to io2 */ 1016 do { 1017 size_t num; 1018 int r; 1019 1020 r1 = BIO_ctrl_pending(io1); 1021 r2 = BIO_ctrl_get_write_guarantee(io2); 1022 1023 num = r1; 1024 if (r2 < num) 1025 num = r2; 1026 if (num) { 1027 char *dataptr; 1028 1029 if (INT_MAX < num) /* yeah, right */ 1030 num = INT_MAX; 1031 1032 r = BIO_nread(io1, &dataptr, (int)num); 1033 assert(r > 0); 1034 assert(r <= (int)num); 1035 /* possibly r < num (non-contiguous data) */ 1036 num = r; 1037 r = BIO_write(io2, dataptr, (int)num); 1038 if (r != (int)num) /* can't happen */ 1039 { 1040 fprintf(stderr, "ERROR: BIO_write could not write " 1041 "BIO_ctrl_get_write_guarantee() bytes"); 1042 goto err; 1043 } 1044 progress = 1; 1045 1046 if (debug) 1047 printf((io1 == client_io) ? 1048 "C->S relaying: %d bytes\n" : 1049 "S->C relaying: %d bytes\n", 1050 (int)num); 1051 } 1052 } while (r1 && r2); 1053 1054 /* io2 to io1 */ 1055 { 1056 size_t num; 1057 int r; 1058 1059 r1 = BIO_ctrl_pending(io2); 1060 r2 = BIO_ctrl_get_read_request(io1); 1061 /* here we could use ..._get_write_guarantee instead of 1062 * ..._get_read_request, but by using the latter 1063 * we test restartability of the SSL implementation 1064 * more thoroughly */ 1065 num = r1; 1066 if (r2 < num) 1067 num = r2; 1068 if (num) { 1069 char *dataptr; 1070 1071 if (INT_MAX < num) 1072 num = INT_MAX; 1073 1074 if (num > 1) 1075 --num; /* test restartability even more thoroughly */ 1076 1077 r = BIO_nwrite0(io1, &dataptr); 1078 assert(r > 0); 1079 if (r < (int)num) 1080 num = r; 1081 r = BIO_read(io2, dataptr, (int)num); 1082 if (r != (int)num) /* can't happen */ 1083 { 1084 fprintf(stderr, "ERROR: BIO_read could not read " 1085 "BIO_ctrl_pending() bytes"); 1086 goto err; 1087 } 1088 progress = 1; 1089 r = BIO_nwrite(io1, &dataptr, (int)num); 1090 if (r != (int)num) /* can't happen */ 1091 { 1092 fprintf(stderr, "ERROR: BIO_nwrite() did not accept " 1093 "BIO_nwrite0() bytes"); 1094 goto err; 1095 } 1096 1097 if (debug) 1098 printf((io2 == client_io) ? 1099 "C->S relaying: %d bytes\n" : 1100 "S->C relaying: %d bytes\n", 1101 (int)num); 1102 } 1103 } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */ 1104 1105 if (!progress && !prev_progress) { 1106 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0) { 1107 fprintf(stderr, "ERROR: got stuck\n"); 1108 goto err; 1109 } 1110 } 1111 prev_progress = progress; 1112 } 1113 } while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0); 1114 1115 if (verbose) 1116 print_details(c_ssl, "DONE via BIO pair: "); 1117 1118 if (verify_alpn(c_ssl, s_ssl) < 0) { 1119 ret = 1; 1120 goto err; 1121 } 1122 1123 ret = 0; 1124 1125 err: 1126 ERR_print_errors(bio_err); 1127 1128 BIO_free(server); 1129 BIO_free(server_io); 1130 BIO_free(client); 1131 BIO_free(client_io); 1132 BIO_free(s_ssl_bio); 1133 BIO_free(c_ssl_bio); 1134 1135 return ret; 1136 } 1137 1138 1139 #define W_READ 1 1140 #define W_WRITE 2 1141 #define C_DONE 1 1142 #define S_DONE 2 1143 1144 int 1145 doit(SSL *s_ssl, SSL *c_ssl, long count) 1146 { 1147 char cbuf[1024*8], sbuf[1024*8]; 1148 long cw_num = count, cr_num = count; 1149 long sw_num = count, sr_num = count; 1150 int ret = 1; 1151 BIO *c_to_s = NULL; 1152 BIO *s_to_c = NULL; 1153 BIO *c_bio = NULL; 1154 BIO *s_bio = NULL; 1155 int c_r, c_w, s_r, s_w; 1156 int i, j; 1157 int done = 0; 1158 int c_write, s_write; 1159 int do_server = 0, do_client = 0; 1160 1161 memset(cbuf, 0, sizeof(cbuf)); 1162 memset(sbuf, 0, sizeof(sbuf)); 1163 1164 c_to_s = BIO_new(BIO_s_mem()); 1165 s_to_c = BIO_new(BIO_s_mem()); 1166 if ((s_to_c == NULL) || (c_to_s == NULL)) { 1167 ERR_print_errors(bio_err); 1168 goto err; 1169 } 1170 1171 c_bio = BIO_new(BIO_f_ssl()); 1172 s_bio = BIO_new(BIO_f_ssl()); 1173 if ((c_bio == NULL) || (s_bio == NULL)) { 1174 ERR_print_errors(bio_err); 1175 goto err; 1176 } 1177 1178 SSL_set_connect_state(c_ssl); 1179 SSL_set_bio(c_ssl, s_to_c, c_to_s); 1180 BIO_set_ssl(c_bio, c_ssl, BIO_NOCLOSE); 1181 1182 SSL_set_accept_state(s_ssl); 1183 SSL_set_bio(s_ssl, c_to_s, s_to_c); 1184 BIO_set_ssl(s_bio, s_ssl, BIO_NOCLOSE); 1185 1186 c_r = 0; 1187 s_r = 1; 1188 c_w = 1; 1189 s_w = 0; 1190 c_write = 1, s_write = 0; 1191 1192 /* We can always do writes */ 1193 for (;;) { 1194 do_server = 0; 1195 do_client = 0; 1196 1197 i = (int)BIO_pending(s_bio); 1198 if ((i && s_r) || s_w) 1199 do_server = 1; 1200 1201 i = (int)BIO_pending(c_bio); 1202 if ((i && c_r) || c_w) 1203 do_client = 1; 1204 1205 if (do_server && debug) { 1206 if (SSL_in_init(s_ssl)) 1207 printf("server waiting in SSL_accept - %s\n", 1208 SSL_state_string_long(s_ssl)); 1209 } 1210 1211 if (do_client && debug) { 1212 if (SSL_in_init(c_ssl)) 1213 printf("client waiting in SSL_connect - %s\n", 1214 SSL_state_string_long(c_ssl)); 1215 } 1216 1217 if (!do_client && !do_server) { 1218 fprintf(stdout, "ERROR in STARTUP\n"); 1219 ERR_print_errors(bio_err); 1220 goto err; 1221 } 1222 1223 if (do_client && !(done & C_DONE)) { 1224 if (c_write) { 1225 j = (cw_num > (long)sizeof(cbuf)) ? 1226 (int)sizeof(cbuf) : (int)cw_num; 1227 i = BIO_write(c_bio, cbuf, j); 1228 if (i < 0) { 1229 c_r = 0; 1230 c_w = 0; 1231 if (BIO_should_retry(c_bio)) { 1232 if (BIO_should_read(c_bio)) 1233 c_r = 1; 1234 if (BIO_should_write(c_bio)) 1235 c_w = 1; 1236 } else { 1237 fprintf(stderr, "ERROR in CLIENT\n"); 1238 ERR_print_errors(bio_err); 1239 goto err; 1240 } 1241 } else if (i == 0) { 1242 fprintf(stderr, "SSL CLIENT STARTUP FAILED\n"); 1243 goto err; 1244 } else { 1245 if (debug) 1246 printf("client wrote %d\n", i); 1247 /* ok */ 1248 s_r = 1; 1249 c_write = 0; 1250 cw_num -= i; 1251 } 1252 } else { 1253 i = BIO_read(c_bio, cbuf, sizeof(cbuf)); 1254 if (i < 0) { 1255 c_r = 0; 1256 c_w = 0; 1257 if (BIO_should_retry(c_bio)) { 1258 if (BIO_should_read(c_bio)) 1259 c_r = 1; 1260 if (BIO_should_write(c_bio)) 1261 c_w = 1; 1262 } else { 1263 fprintf(stderr, "ERROR in CLIENT\n"); 1264 ERR_print_errors(bio_err); 1265 goto err; 1266 } 1267 } else if (i == 0) { 1268 fprintf(stderr, "SSL CLIENT STARTUP FAILED\n"); 1269 goto err; 1270 } else { 1271 if (debug) 1272 printf("client read %d\n", i); 1273 cr_num -= i; 1274 if (sw_num > 0) { 1275 s_write = 1; 1276 s_w = 1; 1277 } 1278 if (cr_num <= 0) { 1279 s_write = 1; 1280 s_w = 1; 1281 done = S_DONE|C_DONE; 1282 } 1283 } 1284 } 1285 } 1286 1287 if (do_server && !(done & S_DONE)) { 1288 if (!s_write) { 1289 i = BIO_read(s_bio, sbuf, sizeof(cbuf)); 1290 if (i < 0) { 1291 s_r = 0; 1292 s_w = 0; 1293 if (BIO_should_retry(s_bio)) { 1294 if (BIO_should_read(s_bio)) 1295 s_r = 1; 1296 if (BIO_should_write(s_bio)) 1297 s_w = 1; 1298 } else { 1299 fprintf(stderr, "ERROR in SERVER\n"); 1300 ERR_print_errors(bio_err); 1301 goto err; 1302 } 1303 } else if (i == 0) { 1304 ERR_print_errors(bio_err); 1305 fprintf(stderr, "SSL SERVER STARTUP FAILED in SSL_read\n"); 1306 goto err; 1307 } else { 1308 if (debug) 1309 printf("server read %d\n", i); 1310 sr_num -= i; 1311 if (cw_num > 0) { 1312 c_write = 1; 1313 c_w = 1; 1314 } 1315 if (sr_num <= 0) { 1316 s_write = 1; 1317 s_w = 1; 1318 c_write = 0; 1319 } 1320 } 1321 } else { 1322 j = (sw_num > (long)sizeof(sbuf)) ? 1323 (int)sizeof(sbuf) : (int)sw_num; 1324 i = BIO_write(s_bio, sbuf, j); 1325 if (i < 0) { 1326 s_r = 0; 1327 s_w = 0; 1328 if (BIO_should_retry(s_bio)) { 1329 if (BIO_should_read(s_bio)) 1330 s_r = 1; 1331 if (BIO_should_write(s_bio)) 1332 s_w = 1; 1333 } else { 1334 fprintf(stderr, "ERROR in SERVER\n"); 1335 ERR_print_errors(bio_err); 1336 goto err; 1337 } 1338 } else if (i == 0) { 1339 ERR_print_errors(bio_err); 1340 fprintf(stderr, "SSL SERVER STARTUP FAILED in SSL_write\n"); 1341 goto err; 1342 } else { 1343 if (debug) 1344 printf("server wrote %d\n", i); 1345 sw_num -= i; 1346 s_write = 0; 1347 c_r = 1; 1348 if (sw_num <= 0) 1349 done |= S_DONE; 1350 } 1351 } 1352 } 1353 1354 if ((done & S_DONE) && (done & C_DONE)) 1355 break; 1356 } 1357 1358 if (verbose) 1359 print_details(c_ssl, "DONE: "); 1360 1361 if (verify_alpn(c_ssl, s_ssl) < 0) { 1362 ret = 1; 1363 goto err; 1364 } 1365 1366 ret = 0; 1367 err: 1368 /* We have to set the BIO's to NULL otherwise they will be 1369 * free()ed twice. Once when th s_ssl is SSL_free()ed and 1370 * again when c_ssl is SSL_free()ed. 1371 * This is a hack required because s_ssl and c_ssl are sharing the same 1372 * BIO structure and SSL_set_bio() and SSL_free() automatically 1373 * BIO_free non NULL entries. 1374 * You should not normally do this or be required to do this */ 1375 if (s_ssl != NULL) { 1376 s_ssl->rbio = NULL; 1377 s_ssl->wbio = NULL; 1378 } 1379 if (c_ssl != NULL) { 1380 c_ssl->rbio = NULL; 1381 c_ssl->wbio = NULL; 1382 } 1383 1384 BIO_free(c_to_s); 1385 BIO_free(s_to_c); 1386 BIO_free_all(c_bio); 1387 BIO_free_all(s_bio); 1388 1389 return (ret); 1390 } 1391 1392 static int 1393 get_proxy_auth_ex_data_idx(void) 1394 { 1395 static volatile int idx = -1; 1396 if (idx < 0) { 1397 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); 1398 if (idx < 0) { 1399 idx = X509_STORE_CTX_get_ex_new_index(0, 1400 "SSLtest for verify callback", NULL, NULL, NULL); 1401 } 1402 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); 1403 } 1404 return idx; 1405 } 1406 1407 static int 1408 verify_callback(int ok, X509_STORE_CTX *ctx) 1409 { 1410 X509 *xs; 1411 char *s, buf[256]; 1412 int error, error_depth; 1413 1414 xs = X509_STORE_CTX_get_current_cert(ctx); 1415 s = X509_NAME_oneline(X509_get_subject_name(xs), buf, sizeof buf); 1416 error = X509_STORE_CTX_get_error(ctx); 1417 error_depth = X509_STORE_CTX_get_error_depth(ctx); 1418 if (s != NULL) { 1419 if (ok) 1420 fprintf(stderr, "depth=%d %s\n", error_depth, buf); 1421 else { 1422 fprintf(stderr, "depth=%d error=%d %s\n", error_depth, 1423 error, buf); 1424 } 1425 } 1426 1427 if (ok == 0) { 1428 fprintf(stderr, "Error string: %s\n", 1429 X509_verify_cert_error_string(error)); 1430 switch (error) { 1431 case X509_V_ERR_CERT_NOT_YET_VALID: 1432 case X509_V_ERR_CERT_HAS_EXPIRED: 1433 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT: 1434 fprintf(stderr, " ... ignored.\n"); 1435 ok = 1; 1436 } 1437 } 1438 1439 return (ok); 1440 } 1441 1442 static void 1443 process_proxy_debug(int indent, const char *format, ...) 1444 { 1445 static const char indentation[] = 1446 ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" 1447 ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"; /* That's 80 > */ 1448 char my_format[256]; 1449 va_list args; 1450 1451 (void) snprintf(my_format, sizeof(my_format), "%*.*s %s", 1452 indent, indent, indentation, format); 1453 1454 va_start(args, format); 1455 vfprintf(stderr, my_format, args); 1456 va_end(args); 1457 } 1458 /* Priority levels: 1459 0 [!]var, () 1460 1 & ^ 1461 2 | 1462 */ 1463 static int process_proxy_cond_adders(unsigned int letters[26], 1464 const char *cond, const char **cond_end, int *pos, int indent); 1465 1466 static int 1467 process_proxy_cond_val(unsigned int letters[26], const char *cond, 1468 const char **cond_end, int *pos, int indent) 1469 { 1470 int c; 1471 int ok = 1; 1472 int negate = 0; 1473 1474 while (isspace((int)*cond)) { 1475 cond++; 1476 (*pos)++; 1477 } 1478 c = *cond; 1479 1480 if (debug) 1481 process_proxy_debug(indent, 1482 "Start process_proxy_cond_val at position %d: %s\n", 1483 *pos, cond); 1484 1485 while (c == '!') { 1486 negate = !negate; 1487 cond++; 1488 (*pos)++; 1489 while (isspace((int)*cond)) { 1490 cond++; 1491 (*pos)++; 1492 } 1493 c = *cond; 1494 } 1495 1496 if (c == '(') { 1497 cond++; 1498 (*pos)++; 1499 ok = process_proxy_cond_adders(letters, cond, cond_end, pos, 1500 indent + 1); 1501 cond = *cond_end; 1502 if (ok < 0) 1503 goto end; 1504 while (isspace((int)*cond)) { 1505 cond++; 1506 (*pos)++; 1507 } 1508 c = *cond; 1509 if (c != ')') { 1510 fprintf(stderr, 1511 "Weird condition character in position %d: " 1512 "%c\n", *pos, c); 1513 ok = -1; 1514 goto end; 1515 } 1516 cond++; 1517 (*pos)++; 1518 } else if (isascii(c) && isalpha(c)) { 1519 if (islower(c)) 1520 c = toupper(c); 1521 ok = letters[c - 'A']; 1522 cond++; 1523 (*pos)++; 1524 } else { 1525 fprintf(stderr, 1526 "Weird condition character in position %d: " 1527 "%c\n", *pos, c); 1528 ok = -1; 1529 goto end; 1530 } 1531 end: 1532 *cond_end = cond; 1533 if (ok >= 0 && negate) 1534 ok = !ok; 1535 1536 if (debug) 1537 process_proxy_debug(indent, 1538 "End process_proxy_cond_val at position %d: %s, returning %d\n", 1539 *pos, cond, ok); 1540 1541 return ok; 1542 } 1543 1544 static int 1545 process_proxy_cond_multipliers(unsigned int letters[26], const char *cond, 1546 const char **cond_end, int *pos, int indent) 1547 { 1548 int ok; 1549 char c; 1550 1551 if (debug) 1552 process_proxy_debug(indent, 1553 "Start process_proxy_cond_multipliers at position %d: %s\n", 1554 *pos, cond); 1555 1556 ok = process_proxy_cond_val(letters, cond, cond_end, pos, indent + 1); 1557 cond = *cond_end; 1558 if (ok < 0) 1559 goto end; 1560 1561 while (ok >= 0) { 1562 while (isspace((int)*cond)) { 1563 cond++; 1564 (*pos)++; 1565 } 1566 c = *cond; 1567 1568 switch (c) { 1569 case '&': 1570 case '^': 1571 { 1572 int save_ok = ok; 1573 1574 cond++; 1575 (*pos)++; 1576 ok = process_proxy_cond_val(letters, 1577 cond, cond_end, pos, indent + 1); 1578 cond = *cond_end; 1579 if (ok < 0) 1580 break; 1581 1582 switch (c) { 1583 case '&': 1584 ok &= save_ok; 1585 break; 1586 case '^': 1587 ok ^= save_ok; 1588 break; 1589 default: 1590 fprintf(stderr, "SOMETHING IS SERIOUSLY WRONG!" 1591 " STOPPING\n"); 1592 exit(1); 1593 } 1594 } 1595 break; 1596 default: 1597 goto end; 1598 } 1599 } 1600 end: 1601 if (debug) 1602 process_proxy_debug(indent, 1603 "End process_proxy_cond_multipliers at position %d: %s, " 1604 "returning %d\n", 1605 *pos, cond, ok); 1606 1607 *cond_end = cond; 1608 return ok; 1609 } 1610 1611 static int 1612 process_proxy_cond_adders(unsigned int letters[26], const char *cond, 1613 const char **cond_end, int *pos, int indent) 1614 { 1615 int ok; 1616 char c; 1617 1618 if (debug) 1619 process_proxy_debug(indent, 1620 "Start process_proxy_cond_adders at position %d: %s\n", 1621 *pos, cond); 1622 1623 ok = process_proxy_cond_multipliers(letters, cond, cond_end, pos, 1624 indent + 1); 1625 cond = *cond_end; 1626 if (ok < 0) 1627 goto end; 1628 1629 while (ok >= 0) { 1630 while (isspace((int)*cond)) { 1631 cond++; 1632 (*pos)++; 1633 } 1634 c = *cond; 1635 1636 switch (c) { 1637 case '|': 1638 { 1639 int save_ok = ok; 1640 1641 cond++; 1642 (*pos)++; 1643 ok = process_proxy_cond_multipliers(letters, 1644 cond, cond_end, pos, indent + 1); 1645 cond = *cond_end; 1646 if (ok < 0) 1647 break; 1648 1649 switch (c) { 1650 case '|': 1651 ok |= save_ok; 1652 break; 1653 default: 1654 fprintf(stderr, "SOMETHING IS SERIOUSLY WRONG!" 1655 " STOPPING\n"); 1656 exit(1); 1657 } 1658 } 1659 break; 1660 default: 1661 goto end; 1662 } 1663 } 1664 end: 1665 if (debug) 1666 process_proxy_debug(indent, 1667 "End process_proxy_cond_adders at position %d: %s, returning %d\n", 1668 *pos, cond, ok); 1669 1670 *cond_end = cond; 1671 return ok; 1672 } 1673 1674 static int 1675 process_proxy_cond(unsigned int letters[26], const char *cond, 1676 const char **cond_end) 1677 { 1678 int pos = 1; 1679 return process_proxy_cond_adders(letters, cond, cond_end, &pos, 1); 1680 } 1681 1682 static int 1683 app_verify_callback(X509_STORE_CTX *ctx, void *arg) 1684 { 1685 int ok = 1; 1686 struct app_verify_arg *cb_arg = arg; 1687 unsigned int letters[26]; /* only used with proxy_auth */ 1688 1689 if (cb_arg->app_verify) { 1690 X509 *xs; 1691 char *s = NULL, buf[256]; 1692 1693 xs = X509_STORE_CTX_get0_cert(ctx); 1694 fprintf(stderr, "In app_verify_callback, allowing cert. "); 1695 fprintf(stderr, "Arg is: %s\n", cb_arg->string); 1696 fprintf(stderr, "Finished printing do we have a context? 0x%p a cert? 0x%p\n", 1697 (void *)ctx, (void *)xs); 1698 if (xs) 1699 s = X509_NAME_oneline(X509_get_subject_name(xs), buf, 256); 1700 if (s != NULL) { 1701 fprintf(stderr, "cert depth=%d %s\n", 1702 X509_STORE_CTX_get_error_depth(ctx), buf); 1703 } 1704 return (1); 1705 } 1706 if (cb_arg->proxy_auth) { 1707 int found_any = 0, i; 1708 char *sp; 1709 1710 for (i = 0; i < 26; i++) 1711 letters[i] = 0; 1712 for (sp = cb_arg->proxy_auth; *sp; sp++) { 1713 int c = *sp; 1714 if (isascii(c) && isalpha(c)) { 1715 if (islower(c)) 1716 c = toupper(c); 1717 letters[c - 'A'] = 1; 1718 } 1719 } 1720 1721 fprintf(stderr, " Initial proxy rights = "); 1722 for (i = 0; i < 26; i++) 1723 if (letters[i]) { 1724 fprintf(stderr, "%c", i + 'A'); 1725 found_any = 1; 1726 } 1727 if (!found_any) 1728 fprintf(stderr, "none"); 1729 fprintf(stderr, "\n"); 1730 1731 X509_STORE_CTX_set_ex_data(ctx, 1732 get_proxy_auth_ex_data_idx(), letters); 1733 } 1734 if (cb_arg->allow_proxy_certs) { 1735 X509_STORE_CTX_set_flags(ctx, X509_V_FLAG_ALLOW_PROXY_CERTS); 1736 } 1737 1738 ok = X509_verify_cert(ctx); 1739 1740 if (cb_arg->proxy_auth) { 1741 if (ok > 0) { 1742 const char *cond_end = NULL; 1743 1744 ok = process_proxy_cond(letters, 1745 cb_arg->proxy_cond, &cond_end); 1746 1747 if (ok < 0) 1748 exit(3); 1749 if (*cond_end) { 1750 fprintf(stderr, "Stopped processing condition before it's end.\n"); 1751 ok = 0; 1752 } 1753 if (!ok) 1754 fprintf(stderr, "Proxy rights check with condition '%s' proved invalid\n", 1755 cb_arg->proxy_cond); 1756 else 1757 fprintf(stderr, "Proxy rights check with condition '%s' proved valid\n", 1758 cb_arg->proxy_cond); 1759 } 1760 } 1761 return (ok); 1762 } 1763 1764 /* These DH parameters have been generated as follows: 1765 * $ openssl dhparam -C -noout 1024 1766 * $ openssl dhparam -C -noout -dsaparam 1024 1767 * (The second function has been renamed to avoid name conflicts.) 1768 */ 1769 static DH * 1770 get_dh1024(void) 1771 { 1772 static unsigned char dh1024_p[] = { 1773 0xF8, 0x81, 0x89, 0x7D, 0x14, 0x24, 0xC5, 0xD1, 0xE6, 0xF7, 0xBF, 0x3A, 1774 0xE4, 0x90, 0xF4, 0xFC, 0x73, 0xFB, 0x34, 0xB5, 0xFA, 0x4C, 0x56, 0xA2, 1775 0xEA, 0xA7, 0xE9, 0xC0, 0xC0, 0xCE, 0x89, 0xE1, 0xFA, 0x63, 0x3F, 0xB0, 1776 0x6B, 0x32, 0x66, 0xF1, 0xD1, 0x7B, 0xB0, 0x00, 0x8F, 0xCA, 0x87, 0xC2, 1777 0xAE, 0x98, 0x89, 0x26, 0x17, 0xC2, 0x05, 0xD2, 0xEC, 0x08, 0xD0, 0x8C, 1778 0xFF, 0x17, 0x52, 0x8C, 0xC5, 0x07, 0x93, 0x03, 0xB1, 0xF6, 0x2F, 0xB8, 1779 0x1C, 0x52, 0x47, 0x27, 0x1B, 0xDB, 0xD1, 0x8D, 0x9D, 0x69, 0x1D, 0x52, 1780 0x4B, 0x32, 0x81, 0xAA, 0x7F, 0x00, 0xC8, 0xDC, 0xE6, 0xD9, 0xCC, 0xC1, 1781 0x11, 0x2D, 0x37, 0x34, 0x6C, 0xEA, 0x02, 0x97, 0x4B, 0x0E, 0xBB, 0xB1, 1782 0x71, 0x33, 0x09, 0x15, 0xFD, 0xDD, 0x23, 0x87, 0x07, 0x5E, 0x89, 0xAB, 1783 0x6B, 0x7C, 0x5F, 0xEC, 0xA6, 0x24, 0xDC, 0x53, 1784 }; 1785 static unsigned char dh1024_g[] = { 1786 0x02, 1787 }; 1788 DH *dh; 1789 BIGNUM *dh_p = NULL, *dh_g = NULL; 1790 1791 if ((dh = DH_new()) == NULL) 1792 return NULL; 1793 1794 dh_p = BN_bin2bn(dh1024_p, sizeof(dh1024_p), NULL); 1795 dh_g = BN_bin2bn(dh1024_g, sizeof(dh1024_g), NULL); 1796 if (dh_p == NULL || dh_g == NULL) 1797 goto err; 1798 1799 if (!DH_set0_pqg(dh, dh_p, NULL, dh_g)) 1800 goto err; 1801 1802 return dh; 1803 1804 err: 1805 BN_free(dh_p); 1806 BN_free(dh_g); 1807 DH_free(dh); 1808 return NULL; 1809 } 1810 1811 static DH * 1812 get_dh1024dsa(void) 1813 { 1814 static unsigned char dh1024_p[] = { 1815 0xC8, 0x00, 0xF7, 0x08, 0x07, 0x89, 0x4D, 0x90, 0x53, 0xF3, 0xD5, 0x00, 1816 0x21, 0x1B, 0xF7, 0x31, 0xA6, 0xA2, 0xDA, 0x23, 0x9A, 0xC7, 0x87, 0x19, 1817 0x3B, 0x47, 0xB6, 0x8C, 0x04, 0x6F, 0xFF, 0xC6, 0x9B, 0xB8, 0x65, 0xD2, 1818 0xC2, 0x5F, 0x31, 0x83, 0x4A, 0xA7, 0x5F, 0x2F, 0x88, 0x38, 0xB6, 0x55, 1819 0xCF, 0xD9, 0x87, 0x6D, 0x6F, 0x9F, 0xDA, 0xAC, 0xA6, 0x48, 0xAF, 0xFC, 1820 0x33, 0x84, 0x37, 0x5B, 0x82, 0x4A, 0x31, 0x5D, 0xE7, 0xBD, 0x52, 0x97, 1821 0xA1, 0x77, 0xBF, 0x10, 0x9E, 0x37, 0xEA, 0x64, 0xFA, 0xCA, 0x28, 0x8D, 1822 0x9D, 0x3B, 0xD2, 0x6E, 0x09, 0x5C, 0x68, 0xC7, 0x45, 0x90, 0xFD, 0xBB, 1823 0x70, 0xC9, 0x3A, 0xBB, 0xDF, 0xD4, 0x21, 0x0F, 0xC4, 0x6A, 0x3C, 0xF6, 1824 0x61, 0xCF, 0x3F, 0xD6, 0x13, 0xF1, 0x5F, 0xBC, 0xCF, 0xBC, 0x26, 0x9E, 1825 0xBC, 0x0B, 0xBD, 0xAB, 0x5D, 0xC9, 0x54, 0x39, 1826 }; 1827 static unsigned char dh1024_g[] = { 1828 0x3B, 0x40, 0x86, 0xE7, 0xF3, 0x6C, 0xDE, 0x67, 0x1C, 0xCC, 0x80, 0x05, 1829 0x5A, 0xDF, 0xFE, 0xBD, 0x20, 0x27, 0x74, 0x6C, 0x24, 0xC9, 0x03, 0xF3, 1830 0xE1, 0x8D, 0xC3, 0x7D, 0x98, 0x27, 0x40, 0x08, 0xB8, 0x8C, 0x6A, 0xE9, 1831 0xBB, 0x1A, 0x3A, 0xD6, 0x86, 0x83, 0x5E, 0x72, 0x41, 0xCE, 0x85, 0x3C, 1832 0xD2, 0xB3, 0xFC, 0x13, 0xCE, 0x37, 0x81, 0x9E, 0x4C, 0x1C, 0x7B, 0x65, 1833 0xD3, 0xE6, 0xA6, 0x00, 0xF5, 0x5A, 0x95, 0x43, 0x5E, 0x81, 0xCF, 0x60, 1834 0xA2, 0x23, 0xFC, 0x36, 0xA7, 0x5D, 0x7A, 0x4C, 0x06, 0x91, 0x6E, 0xF6, 1835 0x57, 0xEE, 0x36, 0xCB, 0x06, 0xEA, 0xF5, 0x3D, 0x95, 0x49, 0xCB, 0xA7, 1836 0xDD, 0x81, 0xDF, 0x80, 0x09, 0x4A, 0x97, 0x4D, 0xA8, 0x22, 0x72, 0xA1, 1837 0x7F, 0xC4, 0x70, 0x56, 0x70, 0xE8, 0x20, 0x10, 0x18, 0x8F, 0x2E, 0x60, 1838 0x07, 0xE7, 0x68, 0x1A, 0x82, 0x5D, 0x32, 0xA2, 1839 }; 1840 DH *dh; 1841 BIGNUM *dh_p = NULL, *dh_g = NULL; 1842 1843 if ((dh = DH_new()) == NULL) 1844 return NULL; 1845 1846 dh_p = BN_bin2bn(dh1024_p, sizeof(dh1024_p), NULL); 1847 dh_g = BN_bin2bn(dh1024_g, sizeof(dh1024_g), NULL); 1848 if (dh_p == NULL || dh_g == NULL) 1849 goto err; 1850 1851 if (!DH_set0_pqg(dh, dh_p, NULL, dh_g)) 1852 goto err; 1853 1854 DH_set_length(dh, 160); 1855 1856 return dh; 1857 1858 err: 1859 BN_free(dh_p); 1860 BN_free(dh_g); 1861 DH_free(dh); 1862 return NULL; 1863 } 1864