1 /* apps/s_server.c */ 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) 1998-2006 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 /* Until the key-gen callbacks are modified to use newer prototypes, we allow 144 * deprecated functions for openssl-internal code */ 145 #ifdef OPENSSL_NO_DEPRECATED 146 #undef OPENSSL_NO_DEPRECATED 147 #endif 148 149 #include <assert.h> 150 #include <ctype.h> 151 #include <stdio.h> 152 #include <stdlib.h> 153 #include <string.h> 154 155 #include <openssl/e_os2.h> 156 #ifdef OPENSSL_NO_STDIO 157 #define APPS_WIN16 158 #endif 159 160 #if !defined(OPENSSL_SYS_NETWARE) /* conflicts with winsock2 stuff on netware */ 161 #include <sys/types.h> 162 #endif 163 164 /* With IPv6, it looks like Digital has mixed up the proper order of 165 recursive header file inclusion, resulting in the compiler complaining 166 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which 167 is needed to have fileno() declared correctly... So let's define u_int */ 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 169 #define __U_INT 170 typedef unsigned int u_int; 171 #endif 172 173 #include <openssl/lhash.h> 174 #include <openssl/bn.h> 175 #define USE_SOCKETS 176 #include "apps.h" 177 #include <openssl/err.h> 178 #include <openssl/pem.h> 179 #include <openssl/x509.h> 180 #include <openssl/ssl.h> 181 #include <openssl/rand.h> 182 #include <openssl/ocsp.h> 183 #ifndef OPENSSL_NO_DH 184 #include <openssl/dh.h> 185 #endif 186 #ifndef OPENSSL_NO_RSA 187 #include <openssl/rsa.h> 188 #endif 189 #ifndef OPENSSL_NO_SRP 190 #include <openssl/srp.h> 191 #endif 192 #include "s_apps.h" 193 #include "timeouts.h" 194 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ 197 #undef FIONBIO 198 #endif 199 200 #if defined(OPENSSL_SYS_BEOS_R5) 201 #include <fcntl.h> 202 #endif 203 204 #ifndef OPENSSL_NO_RSA 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength); 206 #endif 207 static int sv_body(char *hostname, int s, unsigned char *context); 208 static int www_body(char *hostname, int s, unsigned char *context); 209 static void close_accept_socket(void ); 210 static void sv_usage(void); 211 static int init_ssl_connection(SSL *s); 212 static void print_stats(BIO *bp,SSL_CTX *ctx); 213 static int generate_session_id(const SSL *ssl, unsigned char *id, 214 unsigned int *id_len); 215 #ifndef OPENSSL_NO_DH 216 static DH *load_dh_param(const char *dhfile); 217 static DH *get_dh512(void); 218 #endif 219 220 #ifdef MONOLITH 221 static void s_server_init(void); 222 #endif 223 224 #ifndef OPENSSL_NO_DH 225 static unsigned char dh512_p[]={ 226 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75, 227 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F, 228 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3, 229 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12, 230 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C, 231 0x47,0x74,0xE8,0x33, 232 }; 233 static unsigned char dh512_g[]={ 234 0x02, 235 }; 236 237 static DH *get_dh512(void) 238 { 239 DH *dh=NULL; 240 241 if ((dh=DH_new()) == NULL) return(NULL); 242 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL); 243 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL); 244 if ((dh->p == NULL) || (dh->g == NULL)) 245 return(NULL); 246 return(dh); 247 } 248 #endif 249 250 251 /* static int load_CA(SSL_CTX *ctx, char *file);*/ 252 253 #undef BUFSIZZ 254 #define BUFSIZZ 16*1024 255 static int bufsize=BUFSIZZ; 256 static int accept_socket= -1; 257 258 #define TEST_CERT "server.pem" 259 #ifndef OPENSSL_NO_TLSEXT 260 #define TEST_CERT2 "server2.pem" 261 #endif 262 #undef PROG 263 #define PROG s_server_main 264 265 extern int verify_depth, verify_return_error; 266 267 static char *cipher=NULL; 268 static int s_server_verify=SSL_VERIFY_NONE; 269 static int s_server_session_id_context = 1; /* anything will do */ 270 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL; 271 #ifndef OPENSSL_NO_TLSEXT 272 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL; 273 #endif 274 static char *s_dcert_file=NULL,*s_dkey_file=NULL; 275 #ifdef FIONBIO 276 static int s_nbio=0; 277 #endif 278 static int s_nbio_test=0; 279 int s_crlf=0; 280 static SSL_CTX *ctx=NULL; 281 #ifndef OPENSSL_NO_TLSEXT 282 static SSL_CTX *ctx2=NULL; 283 #endif 284 static int www=0; 285 286 static BIO *bio_s_out=NULL; 287 static int s_debug=0; 288 #ifndef OPENSSL_NO_TLSEXT 289 static int s_tlsextdebug=0; 290 static int s_tlsextstatus=0; 291 static int cert_status_cb(SSL *s, void *arg); 292 #endif 293 static int s_msg=0; 294 static int s_quiet=0; 295 296 static int hack=0; 297 #ifndef OPENSSL_NO_ENGINE 298 static char *engine_id=NULL; 299 #endif 300 static const char *session_id_prefix=NULL; 301 302 static int enable_timeouts = 0; 303 static long socket_mtu; 304 #ifndef OPENSSL_NO_DTLS1 305 static int cert_chain = 0; 306 #endif 307 308 #ifndef OPENSSL_NO_PSK 309 static char *psk_identity="Client_identity"; 310 char *psk_key=NULL; /* by default PSK is not used */ 311 312 static unsigned int psk_server_cb(SSL *ssl, const char *identity, 313 unsigned char *psk, unsigned int max_psk_len) 314 { 315 unsigned int psk_len = 0; 316 int ret; 317 BIGNUM *bn = NULL; 318 319 if (s_debug) 320 BIO_printf(bio_s_out,"psk_server_cb\n"); 321 if (!identity) 322 { 323 BIO_printf(bio_err,"Error: client did not send PSK identity\n"); 324 goto out_err; 325 } 326 if (s_debug) 327 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n", 328 identity ? (int)strlen(identity) : 0, identity); 329 330 /* here we could lookup the given identity e.g. from a database */ 331 if (strcmp(identity, psk_identity) != 0) 332 { 333 BIO_printf(bio_s_out, "PSK error: client identity not found" 334 " (got '%s' expected '%s')\n", identity, 335 psk_identity); 336 goto out_err; 337 } 338 if (s_debug) 339 BIO_printf(bio_s_out, "PSK client identity found\n"); 340 341 /* convert the PSK key to binary */ 342 ret = BN_hex2bn(&bn, psk_key); 343 if (!ret) 344 { 345 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key); 346 if (bn) 347 BN_free(bn); 348 return 0; 349 } 350 if (BN_num_bytes(bn) > (int)max_psk_len) 351 { 352 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n", 353 max_psk_len, BN_num_bytes(bn)); 354 BN_free(bn); 355 return 0; 356 } 357 358 ret = BN_bn2bin(bn, psk); 359 BN_free(bn); 360 361 if (ret < 0) 362 goto out_err; 363 psk_len = (unsigned int)ret; 364 365 if (s_debug) 366 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len); 367 return psk_len; 368 out_err: 369 if (s_debug) 370 BIO_printf(bio_err, "Error in PSK server callback\n"); 371 return 0; 372 } 373 #endif 374 375 #ifndef OPENSSL_NO_SRP 376 /* This is a context that we pass to callbacks */ 377 typedef struct srpsrvparm_st 378 { 379 int verbose; 380 char *login; 381 SRP_VBASE *vb; 382 } srpsrvparm; 383 384 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 385 { 386 srpsrvparm *p = (srpsrvparm *) arg; 387 SRP_user_pwd *user; 388 389 p->login = BUF_strdup(SSL_get_srp_username(s)); 390 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 391 392 user = SRP_VBASE_get_by_user(p->vb, p->login); 393 if (user == NULL) 394 { 395 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 396 return SSL3_AL_FATAL; 397 } 398 if (SSL_set_srp_server_param(s, user->N, user->g, user->s, user->v, 399 user->info) < 0) 400 { 401 *ad = SSL_AD_INTERNAL_ERROR; 402 return SSL3_AL_FATAL; 403 } 404 return SSL_ERROR_NONE; 405 } 406 407 #endif 408 409 #ifdef MONOLITH 410 static void s_server_init(void) 411 { 412 accept_socket=-1; 413 cipher=NULL; 414 s_server_verify=SSL_VERIFY_NONE; 415 s_dcert_file=NULL; 416 s_dkey_file=NULL; 417 s_cert_file=TEST_CERT; 418 s_key_file=NULL; 419 #ifndef OPENSSL_NO_TLSEXT 420 s_cert_file2=TEST_CERT2; 421 s_key_file2=NULL; 422 ctx2=NULL; 423 #endif 424 #ifdef FIONBIO 425 s_nbio=0; 426 #endif 427 s_nbio_test=0; 428 ctx=NULL; 429 www=0; 430 431 bio_s_out=NULL; 432 s_debug=0; 433 s_msg=0; 434 s_quiet=0; 435 hack=0; 436 #ifndef OPENSSL_NO_ENGINE 437 engine_id=NULL; 438 #endif 439 } 440 #endif 441 442 static void sv_usage(void) 443 { 444 BIO_printf(bio_err,"usage: s_server [args ...]\n"); 445 BIO_printf(bio_err,"\n"); 446 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT); 447 BIO_printf(bio_err," -context arg - set session ID context\n"); 448 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); 449 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n"); 450 BIO_printf(bio_err," -cert arg - certificate file to use\n"); 451 BIO_printf(bio_err," (default is %s)\n",TEST_CERT); 452 BIO_printf(bio_err," -crl_check - check the peer certificate has not been revoked by its CA.\n" \ 453 " The CRL(s) are appended to the certificate file\n"); 454 BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \ 455 " or any other CRL in the CA chain. CRL(s) are appened to the\n" \ 456 " the certificate file.\n"); 457 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 458 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n"); 459 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT); 460 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 461 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 462 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n"); 463 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n"); 464 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n"); 465 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 466 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n"); 467 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 468 BIO_printf(bio_err," or a default set of parameters is used\n"); 469 #ifndef OPENSSL_NO_ECDH 470 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \ 471 " Use \"openssl ecparam -list_curves\" for all names\n" \ 472 " (default is nistp256).\n"); 473 #endif 474 #ifdef FIONBIO 475 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 476 #endif 477 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n"); 478 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 479 BIO_printf(bio_err," -debug - Print more output\n"); 480 BIO_printf(bio_err," -msg - Show protocol messages\n"); 481 BIO_printf(bio_err," -state - Print the SSL states\n"); 482 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 483 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 484 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n"); 485 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 486 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n"); 487 BIO_printf(bio_err," -quiet - No server output\n"); 488 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n"); 489 #ifndef OPENSSL_NO_PSK 490 BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n"); 491 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); 492 # ifndef OPENSSL_NO_JPAKE 493 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); 494 # endif 495 #endif 496 #ifndef OPENSSL_NO_SRP 497 BIO_printf(bio_err," -srpvfile file - The verifier file for SRP\n"); 498 BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n"); 499 #endif 500 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n"); 501 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n"); 502 BIO_printf(bio_err," -tls1_2 - Just talk TLSv1.2\n"); 503 BIO_printf(bio_err," -tls1_1 - Just talk TLSv1.1\n"); 504 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n"); 505 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n"); 506 BIO_printf(bio_err," -timeout - Enable timeouts\n"); 507 BIO_printf(bio_err," -mtu - Set link layer MTU\n"); 508 BIO_printf(bio_err," -chain - Read a certificate chain\n"); 509 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n"); 510 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n"); 511 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n"); 512 BIO_printf(bio_err," -no_tls1_1 - Just disable TLSv1.1\n"); 513 BIO_printf(bio_err," -no_tls1_2 - Just disable TLSv1.2\n"); 514 #ifndef OPENSSL_NO_DH 515 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n"); 516 #endif 517 #ifndef OPENSSL_NO_ECDH 518 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n"); 519 #endif 520 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n"); 521 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n"); 522 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 523 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 524 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n"); 525 #ifndef OPENSSL_NO_ENGINE 526 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 527 #endif 528 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 529 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 530 #ifndef OPENSSL_NO_TLSEXT 531 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n"); 532 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 533 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n"); 534 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2); 535 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n"); 536 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2); 537 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 538 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 539 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 540 #endif 541 } 542 543 static int local_argc=0; 544 static char **local_argv; 545 546 #ifdef CHARSET_EBCDIC 547 static int ebcdic_new(BIO *bi); 548 static int ebcdic_free(BIO *a); 549 static int ebcdic_read(BIO *b, char *out, int outl); 550 static int ebcdic_write(BIO *b, const char *in, int inl); 551 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 552 static int ebcdic_gets(BIO *bp, char *buf, int size); 553 static int ebcdic_puts(BIO *bp, const char *str); 554 555 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 556 static BIO_METHOD methods_ebcdic= 557 { 558 BIO_TYPE_EBCDIC_FILTER, 559 "EBCDIC/ASCII filter", 560 ebcdic_write, 561 ebcdic_read, 562 ebcdic_puts, 563 ebcdic_gets, 564 ebcdic_ctrl, 565 ebcdic_new, 566 ebcdic_free, 567 }; 568 569 typedef struct 570 { 571 size_t alloced; 572 char buff[1]; 573 } EBCDIC_OUTBUFF; 574 575 BIO_METHOD *BIO_f_ebcdic_filter() 576 { 577 return(&methods_ebcdic); 578 } 579 580 static int ebcdic_new(BIO *bi) 581 { 582 EBCDIC_OUTBUFF *wbuf; 583 584 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 585 wbuf->alloced = 1024; 586 wbuf->buff[0] = '\0'; 587 588 bi->ptr=(char *)wbuf; 589 bi->init=1; 590 bi->flags=0; 591 return(1); 592 } 593 594 static int ebcdic_free(BIO *a) 595 { 596 if (a == NULL) return(0); 597 if (a->ptr != NULL) 598 OPENSSL_free(a->ptr); 599 a->ptr=NULL; 600 a->init=0; 601 a->flags=0; 602 return(1); 603 } 604 605 static int ebcdic_read(BIO *b, char *out, int outl) 606 { 607 int ret=0; 608 609 if (out == NULL || outl == 0) return(0); 610 if (b->next_bio == NULL) return(0); 611 612 ret=BIO_read(b->next_bio,out,outl); 613 if (ret > 0) 614 ascii2ebcdic(out,out,ret); 615 return(ret); 616 } 617 618 static int ebcdic_write(BIO *b, const char *in, int inl) 619 { 620 EBCDIC_OUTBUFF *wbuf; 621 int ret=0; 622 int num; 623 unsigned char n; 624 625 if ((in == NULL) || (inl <= 0)) return(0); 626 if (b->next_bio == NULL) return(0); 627 628 wbuf=(EBCDIC_OUTBUFF *)b->ptr; 629 630 if (inl > (num = wbuf->alloced)) 631 { 632 num = num + num; /* double the size */ 633 if (num < inl) 634 num = inl; 635 OPENSSL_free(wbuf); 636 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 637 638 wbuf->alloced = num; 639 wbuf->buff[0] = '\0'; 640 641 b->ptr=(char *)wbuf; 642 } 643 644 ebcdic2ascii(wbuf->buff, in, inl); 645 646 ret=BIO_write(b->next_bio, wbuf->buff, inl); 647 648 return(ret); 649 } 650 651 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 652 { 653 long ret; 654 655 if (b->next_bio == NULL) return(0); 656 switch (cmd) 657 { 658 case BIO_CTRL_DUP: 659 ret=0L; 660 break; 661 default: 662 ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 663 break; 664 } 665 return(ret); 666 } 667 668 static int ebcdic_gets(BIO *bp, char *buf, int size) 669 { 670 int i, ret=0; 671 if (bp->next_bio == NULL) return(0); 672 /* return(BIO_gets(bp->next_bio,buf,size));*/ 673 for (i=0; i<size-1; ++i) 674 { 675 ret = ebcdic_read(bp,&buf[i],1); 676 if (ret <= 0) 677 break; 678 else if (buf[i] == '\n') 679 { 680 ++i; 681 break; 682 } 683 } 684 if (i < size) 685 buf[i] = '\0'; 686 return (ret < 0 && i == 0) ? ret : i; 687 } 688 689 static int ebcdic_puts(BIO *bp, const char *str) 690 { 691 if (bp->next_bio == NULL) return(0); 692 return ebcdic_write(bp, str, strlen(str)); 693 } 694 #endif 695 696 #ifndef OPENSSL_NO_TLSEXT 697 698 /* This is a context that we pass to callbacks */ 699 typedef struct tlsextctx_st { 700 char * servername; 701 BIO * biodebug; 702 int extension_error; 703 } tlsextctx; 704 705 706 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 707 { 708 tlsextctx * p = (tlsextctx *) arg; 709 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 710 if (servername && p->biodebug) 711 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername); 712 713 if (!p->servername) 714 return SSL_TLSEXT_ERR_NOACK; 715 716 if (servername) 717 { 718 if (strcmp(servername,p->servername)) 719 return p->extension_error; 720 if (ctx2) 721 { 722 BIO_printf(p->biodebug,"Switching server context.\n"); 723 SSL_set_SSL_CTX(s,ctx2); 724 } 725 } 726 return SSL_TLSEXT_ERR_OK; 727 } 728 729 /* Structure passed to cert status callback */ 730 731 typedef struct tlsextstatusctx_st { 732 /* Default responder to use */ 733 char *host, *path, *port; 734 int use_ssl; 735 int timeout; 736 BIO *err; 737 int verbose; 738 } tlsextstatusctx; 739 740 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0}; 741 742 /* Certificate Status callback. This is called when a client includes a 743 * certificate status request extension. 744 * 745 * This is a simplified version. It examines certificates each time and 746 * makes one OCSP responder query for each request. 747 * 748 * A full version would store details such as the OCSP certificate IDs and 749 * minimise the number of OCSP responses by caching them until they were 750 * considered "expired". 751 */ 752 753 static int cert_status_cb(SSL *s, void *arg) 754 { 755 tlsextstatusctx *srctx = arg; 756 BIO *err = srctx->err; 757 char *host, *port, *path; 758 int use_ssl; 759 unsigned char *rspder = NULL; 760 int rspderlen; 761 STACK_OF(OPENSSL_STRING) *aia = NULL; 762 X509 *x = NULL; 763 X509_STORE_CTX inctx; 764 X509_OBJECT obj; 765 OCSP_REQUEST *req = NULL; 766 OCSP_RESPONSE *resp = NULL; 767 OCSP_CERTID *id = NULL; 768 STACK_OF(X509_EXTENSION) *exts; 769 int ret = SSL_TLSEXT_ERR_NOACK; 770 int i; 771 #if 0 772 STACK_OF(OCSP_RESPID) *ids; 773 SSL_get_tlsext_status_ids(s, &ids); 774 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids)); 775 #endif 776 if (srctx->verbose) 777 BIO_puts(err, "cert_status: callback called\n"); 778 /* Build up OCSP query from server certificate */ 779 x = SSL_get_certificate(s); 780 aia = X509_get1_ocsp(x); 781 if (aia) 782 { 783 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 784 &host, &port, &path, &use_ssl)) 785 { 786 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 787 goto err; 788 } 789 if (srctx->verbose) 790 BIO_printf(err, "cert_status: AIA URL: %s\n", 791 sk_OPENSSL_STRING_value(aia, 0)); 792 } 793 else 794 { 795 if (!srctx->host) 796 { 797 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n"); 798 goto done; 799 } 800 host = srctx->host; 801 path = srctx->path; 802 port = srctx->port; 803 use_ssl = srctx->use_ssl; 804 } 805 806 if (!X509_STORE_CTX_init(&inctx, 807 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 808 NULL, NULL)) 809 goto err; 810 if (X509_STORE_get_by_subject(&inctx,X509_LU_X509, 811 X509_get_issuer_name(x),&obj) <= 0) 812 { 813 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 814 X509_STORE_CTX_cleanup(&inctx); 815 goto done; 816 } 817 req = OCSP_REQUEST_new(); 818 if (!req) 819 goto err; 820 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 821 X509_free(obj.data.x509); 822 X509_STORE_CTX_cleanup(&inctx); 823 if (!id) 824 goto err; 825 if (!OCSP_request_add0_id(req, id)) 826 goto err; 827 id = NULL; 828 /* Add any extensions to the request */ 829 SSL_get_tlsext_status_exts(s, &exts); 830 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) 831 { 832 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 833 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 834 goto err; 835 } 836 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 837 srctx->timeout); 838 if (!resp) 839 { 840 BIO_puts(err, "cert_status: error querying responder\n"); 841 goto done; 842 } 843 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 844 if (rspderlen <= 0) 845 goto err; 846 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 847 if (srctx->verbose) 848 { 849 BIO_puts(err, "cert_status: ocsp response sent:\n"); 850 OCSP_RESPONSE_print(err, resp, 2); 851 } 852 ret = SSL_TLSEXT_ERR_OK; 853 done: 854 if (ret != SSL_TLSEXT_ERR_OK) 855 ERR_print_errors(err); 856 if (aia) 857 { 858 OPENSSL_free(host); 859 OPENSSL_free(path); 860 OPENSSL_free(port); 861 X509_email_free(aia); 862 } 863 if (id) 864 OCSP_CERTID_free(id); 865 if (req) 866 OCSP_REQUEST_free(req); 867 if (resp) 868 OCSP_RESPONSE_free(resp); 869 return ret; 870 err: 871 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 872 goto done; 873 } 874 #endif 875 876 int MAIN(int, char **); 877 878 #ifndef OPENSSL_NO_JPAKE 879 static char *jpake_secret = NULL; 880 #endif 881 882 int MAIN(int argc, char *argv[]) 883 { 884 X509_VERIFY_PARAM *vpm = NULL; 885 int badarg = 0; 886 short port=PORT; 887 char *CApath=NULL,*CAfile=NULL; 888 unsigned char *context = NULL; 889 char *dhfile = NULL; 890 #ifndef OPENSSL_NO_ECDH 891 char *named_curve = NULL; 892 #endif 893 int badop=0,bugs=0; 894 int ret=1; 895 int off=0; 896 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0; 897 int state=0; 898 const SSL_METHOD *meth=NULL; 899 int socket_type=SOCK_STREAM; 900 ENGINE *e=NULL; 901 char *inrand=NULL; 902 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 903 char *passarg = NULL, *pass = NULL; 904 char *dpassarg = NULL, *dpass = NULL; 905 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 906 X509 *s_cert = NULL, *s_dcert = NULL; 907 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 908 int no_cache = 0; 909 #ifndef OPENSSL_NO_TLSEXT 910 EVP_PKEY *s_key2 = NULL; 911 X509 *s_cert2 = NULL; 912 #endif 913 #ifndef OPENSSL_NO_TLSEXT 914 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING}; 915 #endif 916 #ifndef OPENSSL_NO_PSK 917 /* by default do not send a PSK identity hint */ 918 static char *psk_identity_hint=NULL; 919 #endif 920 #ifndef OPENSSL_NO_SRP 921 char *srpuserseed = NULL; 922 char *srp_verifier_file = NULL; 923 srpsrvparm p; 924 #endif 925 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 926 meth=SSLv23_server_method(); 927 #elif !defined(OPENSSL_NO_SSL3) 928 meth=SSLv3_server_method(); 929 #elif !defined(OPENSSL_NO_SSL2) 930 meth=SSLv2_server_method(); 931 #elif !defined(OPENSSL_NO_TLS1) 932 meth=TLSv1_server_method(); 933 #else 934 /* #error no SSL version enabled */ 935 #endif 936 937 local_argc=argc; 938 local_argv=argv; 939 940 apps_startup(); 941 #ifdef MONOLITH 942 s_server_init(); 943 #endif 944 945 if (bio_err == NULL) 946 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 947 948 if (!load_config(bio_err, NULL)) 949 goto end; 950 951 verify_depth=0; 952 #ifdef FIONBIO 953 s_nbio=0; 954 #endif 955 s_nbio_test=0; 956 957 argc--; 958 argv++; 959 960 while (argc >= 1) 961 { 962 if ((strcmp(*argv,"-port") == 0) || 963 (strcmp(*argv,"-accept") == 0)) 964 { 965 if (--argc < 1) goto bad; 966 if (!extract_port(*(++argv),&port)) 967 goto bad; 968 } 969 else if (strcmp(*argv,"-verify") == 0) 970 { 971 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE; 972 if (--argc < 1) goto bad; 973 verify_depth=atoi(*(++argv)); 974 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 975 } 976 else if (strcmp(*argv,"-Verify") == 0) 977 { 978 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT| 979 SSL_VERIFY_CLIENT_ONCE; 980 if (--argc < 1) goto bad; 981 verify_depth=atoi(*(++argv)); 982 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth); 983 } 984 else if (strcmp(*argv,"-context") == 0) 985 { 986 if (--argc < 1) goto bad; 987 context= (unsigned char *)*(++argv); 988 } 989 else if (strcmp(*argv,"-cert") == 0) 990 { 991 if (--argc < 1) goto bad; 992 s_cert_file= *(++argv); 993 } 994 else if (strcmp(*argv,"-certform") == 0) 995 { 996 if (--argc < 1) goto bad; 997 s_cert_format = str2fmt(*(++argv)); 998 } 999 else if (strcmp(*argv,"-key") == 0) 1000 { 1001 if (--argc < 1) goto bad; 1002 s_key_file= *(++argv); 1003 } 1004 else if (strcmp(*argv,"-keyform") == 0) 1005 { 1006 if (--argc < 1) goto bad; 1007 s_key_format = str2fmt(*(++argv)); 1008 } 1009 else if (strcmp(*argv,"-pass") == 0) 1010 { 1011 if (--argc < 1) goto bad; 1012 passarg = *(++argv); 1013 } 1014 else if (strcmp(*argv,"-dhparam") == 0) 1015 { 1016 if (--argc < 1) goto bad; 1017 dhfile = *(++argv); 1018 } 1019 #ifndef OPENSSL_NO_ECDH 1020 else if (strcmp(*argv,"-named_curve") == 0) 1021 { 1022 if (--argc < 1) goto bad; 1023 named_curve = *(++argv); 1024 } 1025 #endif 1026 else if (strcmp(*argv,"-dcertform") == 0) 1027 { 1028 if (--argc < 1) goto bad; 1029 s_dcert_format = str2fmt(*(++argv)); 1030 } 1031 else if (strcmp(*argv,"-dcert") == 0) 1032 { 1033 if (--argc < 1) goto bad; 1034 s_dcert_file= *(++argv); 1035 } 1036 else if (strcmp(*argv,"-dkeyform") == 0) 1037 { 1038 if (--argc < 1) goto bad; 1039 s_dkey_format = str2fmt(*(++argv)); 1040 } 1041 else if (strcmp(*argv,"-dpass") == 0) 1042 { 1043 if (--argc < 1) goto bad; 1044 dpassarg = *(++argv); 1045 } 1046 else if (strcmp(*argv,"-dkey") == 0) 1047 { 1048 if (--argc < 1) goto bad; 1049 s_dkey_file= *(++argv); 1050 } 1051 else if (strcmp(*argv,"-nocert") == 0) 1052 { 1053 nocert=1; 1054 } 1055 else if (strcmp(*argv,"-CApath") == 0) 1056 { 1057 if (--argc < 1) goto bad; 1058 CApath= *(++argv); 1059 } 1060 else if (strcmp(*argv,"-no_cache") == 0) 1061 no_cache = 1; 1062 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 1063 { 1064 if (badarg) 1065 goto bad; 1066 continue; 1067 } 1068 else if (strcmp(*argv,"-verify_return_error") == 0) 1069 verify_return_error = 1; 1070 else if (strcmp(*argv,"-serverpref") == 0) 1071 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; } 1072 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 1073 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 1074 else if (strcmp(*argv,"-cipher") == 0) 1075 { 1076 if (--argc < 1) goto bad; 1077 cipher= *(++argv); 1078 } 1079 else if (strcmp(*argv,"-CAfile") == 0) 1080 { 1081 if (--argc < 1) goto bad; 1082 CAfile= *(++argv); 1083 } 1084 #ifdef FIONBIO 1085 else if (strcmp(*argv,"-nbio") == 0) 1086 { s_nbio=1; } 1087 #endif 1088 else if (strcmp(*argv,"-nbio_test") == 0) 1089 { 1090 #ifdef FIONBIO 1091 s_nbio=1; 1092 #endif 1093 s_nbio_test=1; 1094 } 1095 else if (strcmp(*argv,"-debug") == 0) 1096 { s_debug=1; } 1097 #ifndef OPENSSL_NO_TLSEXT 1098 else if (strcmp(*argv,"-tlsextdebug") == 0) 1099 s_tlsextdebug=1; 1100 else if (strcmp(*argv,"-status") == 0) 1101 s_tlsextstatus=1; 1102 else if (strcmp(*argv,"-status_verbose") == 0) 1103 { 1104 s_tlsextstatus=1; 1105 tlscstatp.verbose = 1; 1106 } 1107 else if (!strcmp(*argv, "-status_timeout")) 1108 { 1109 s_tlsextstatus=1; 1110 if (--argc < 1) goto bad; 1111 tlscstatp.timeout = atoi(*(++argv)); 1112 } 1113 else if (!strcmp(*argv, "-status_url")) 1114 { 1115 s_tlsextstatus=1; 1116 if (--argc < 1) goto bad; 1117 if (!OCSP_parse_url(*(++argv), 1118 &tlscstatp.host, 1119 &tlscstatp.port, 1120 &tlscstatp.path, 1121 &tlscstatp.use_ssl)) 1122 { 1123 BIO_printf(bio_err, "Error parsing URL\n"); 1124 goto bad; 1125 } 1126 } 1127 #endif 1128 else if (strcmp(*argv,"-msg") == 0) 1129 { s_msg=1; } 1130 else if (strcmp(*argv,"-hack") == 0) 1131 { hack=1; } 1132 else if (strcmp(*argv,"-state") == 0) 1133 { state=1; } 1134 else if (strcmp(*argv,"-crlf") == 0) 1135 { s_crlf=1; } 1136 else if (strcmp(*argv,"-quiet") == 0) 1137 { s_quiet=1; } 1138 else if (strcmp(*argv,"-bugs") == 0) 1139 { bugs=1; } 1140 else if (strcmp(*argv,"-no_tmp_rsa") == 0) 1141 { no_tmp_rsa=1; } 1142 else if (strcmp(*argv,"-no_dhe") == 0) 1143 { no_dhe=1; } 1144 else if (strcmp(*argv,"-no_ecdhe") == 0) 1145 { no_ecdhe=1; } 1146 #ifndef OPENSSL_NO_PSK 1147 else if (strcmp(*argv,"-psk_hint") == 0) 1148 { 1149 if (--argc < 1) goto bad; 1150 psk_identity_hint= *(++argv); 1151 } 1152 else if (strcmp(*argv,"-psk") == 0) 1153 { 1154 size_t i; 1155 1156 if (--argc < 1) goto bad; 1157 psk_key=*(++argv); 1158 for (i=0; i<strlen(psk_key); i++) 1159 { 1160 if (isxdigit((int)psk_key[i])) 1161 continue; 1162 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 1163 goto bad; 1164 } 1165 } 1166 #endif 1167 #ifndef OPENSSL_NO_SRP 1168 else if (strcmp(*argv, "-srpvfile") == 0) 1169 { 1170 if (--argc < 1) goto bad; 1171 srp_verifier_file = *(++argv); 1172 meth=TLSv1_server_method(); 1173 } 1174 else if (strcmp(*argv, "-srpuserseed") == 0) 1175 { 1176 if (--argc < 1) goto bad; 1177 srpuserseed = *(++argv); 1178 meth=TLSv1_server_method(); 1179 } 1180 #endif 1181 else if (strcmp(*argv,"-www") == 0) 1182 { www=1; } 1183 else if (strcmp(*argv,"-WWW") == 0) 1184 { www=2; } 1185 else if (strcmp(*argv,"-HTTP") == 0) 1186 { www=3; } 1187 else if (strcmp(*argv,"-no_ssl2") == 0) 1188 { off|=SSL_OP_NO_SSLv2; } 1189 else if (strcmp(*argv,"-no_ssl3") == 0) 1190 { off|=SSL_OP_NO_SSLv3; } 1191 else if (strcmp(*argv,"-no_tls1") == 0) 1192 { off|=SSL_OP_NO_TLSv1; } 1193 else if (strcmp(*argv,"-no_tls1_1") == 0) 1194 { off|=SSL_OP_NO_TLSv1_1; } 1195 else if (strcmp(*argv,"-no_tls1_2") == 0) 1196 { off|=SSL_OP_NO_TLSv1_2; } 1197 else if (strcmp(*argv,"-no_comp") == 0) 1198 { off|=SSL_OP_NO_COMPRESSION; } 1199 #ifndef OPENSSL_NO_TLSEXT 1200 else if (strcmp(*argv,"-no_ticket") == 0) 1201 { off|=SSL_OP_NO_TICKET; } 1202 #endif 1203 #ifndef OPENSSL_NO_SSL2 1204 else if (strcmp(*argv,"-ssl2") == 0) 1205 { meth=SSLv2_server_method(); } 1206 #endif 1207 #ifndef OPENSSL_NO_SSL3 1208 else if (strcmp(*argv,"-ssl3") == 0) 1209 { meth=SSLv3_server_method(); } 1210 #endif 1211 #ifndef OPENSSL_NO_TLS1 1212 else if (strcmp(*argv,"-tls1") == 0) 1213 { meth=TLSv1_server_method(); } 1214 else if (strcmp(*argv,"-tls1_1") == 0) 1215 { meth=TLSv1_1_server_method(); } 1216 else if (strcmp(*argv,"-tls1_2") == 0) 1217 { meth=TLSv1_2_server_method(); } 1218 #endif 1219 #ifndef OPENSSL_NO_DTLS1 1220 else if (strcmp(*argv,"-dtls1") == 0) 1221 { 1222 meth=DTLSv1_server_method(); 1223 socket_type = SOCK_DGRAM; 1224 } 1225 else if (strcmp(*argv,"-timeout") == 0) 1226 enable_timeouts = 1; 1227 else if (strcmp(*argv,"-mtu") == 0) 1228 { 1229 if (--argc < 1) goto bad; 1230 socket_mtu = atol(*(++argv)); 1231 } 1232 else if (strcmp(*argv, "-chain") == 0) 1233 cert_chain = 1; 1234 #endif 1235 else if (strcmp(*argv, "-id_prefix") == 0) 1236 { 1237 if (--argc < 1) goto bad; 1238 session_id_prefix = *(++argv); 1239 } 1240 #ifndef OPENSSL_NO_ENGINE 1241 else if (strcmp(*argv,"-engine") == 0) 1242 { 1243 if (--argc < 1) goto bad; 1244 engine_id= *(++argv); 1245 } 1246 #endif 1247 else if (strcmp(*argv,"-rand") == 0) 1248 { 1249 if (--argc < 1) goto bad; 1250 inrand= *(++argv); 1251 } 1252 #ifndef OPENSSL_NO_TLSEXT 1253 else if (strcmp(*argv,"-servername") == 0) 1254 { 1255 if (--argc < 1) goto bad; 1256 tlsextcbp.servername= *(++argv); 1257 } 1258 else if (strcmp(*argv,"-servername_fatal") == 0) 1259 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; } 1260 else if (strcmp(*argv,"-cert2") == 0) 1261 { 1262 if (--argc < 1) goto bad; 1263 s_cert_file2= *(++argv); 1264 } 1265 else if (strcmp(*argv,"-key2") == 0) 1266 { 1267 if (--argc < 1) goto bad; 1268 s_key_file2= *(++argv); 1269 } 1270 1271 #endif 1272 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1273 else if (strcmp(*argv,"-jpake") == 0) 1274 { 1275 if (--argc < 1) goto bad; 1276 jpake_secret = *(++argv); 1277 } 1278 #endif 1279 else 1280 { 1281 BIO_printf(bio_err,"unknown option %s\n",*argv); 1282 badop=1; 1283 break; 1284 } 1285 argc--; 1286 argv++; 1287 } 1288 if (badop) 1289 { 1290 bad: 1291 sv_usage(); 1292 goto end; 1293 } 1294 1295 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1296 if (jpake_secret) 1297 { 1298 if (psk_key) 1299 { 1300 BIO_printf(bio_err, 1301 "Can't use JPAKE and PSK together\n"); 1302 goto end; 1303 } 1304 psk_identity = "JPAKE"; 1305 if (cipher) 1306 { 1307 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1308 goto end; 1309 } 1310 cipher = "PSK"; 1311 } 1312 1313 #endif 1314 1315 SSL_load_error_strings(); 1316 OpenSSL_add_ssl_algorithms(); 1317 1318 #ifndef OPENSSL_NO_ENGINE 1319 e = setup_engine(bio_err, engine_id, 1); 1320 #endif 1321 1322 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) 1323 { 1324 BIO_printf(bio_err, "Error getting password\n"); 1325 goto end; 1326 } 1327 1328 1329 if (s_key_file == NULL) 1330 s_key_file = s_cert_file; 1331 #ifndef OPENSSL_NO_TLSEXT 1332 if (s_key_file2 == NULL) 1333 s_key_file2 = s_cert_file2; 1334 #endif 1335 1336 if (nocert == 0) 1337 { 1338 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1339 "server certificate private key file"); 1340 if (!s_key) 1341 { 1342 ERR_print_errors(bio_err); 1343 goto end; 1344 } 1345 1346 s_cert = load_cert(bio_err,s_cert_file,s_cert_format, 1347 NULL, e, "server certificate file"); 1348 1349 if (!s_cert) 1350 { 1351 ERR_print_errors(bio_err); 1352 goto end; 1353 } 1354 1355 #ifndef OPENSSL_NO_TLSEXT 1356 if (tlsextcbp.servername) 1357 { 1358 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1359 "second server certificate private key file"); 1360 if (!s_key2) 1361 { 1362 ERR_print_errors(bio_err); 1363 goto end; 1364 } 1365 1366 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format, 1367 NULL, e, "second server certificate file"); 1368 1369 if (!s_cert2) 1370 { 1371 ERR_print_errors(bio_err); 1372 goto end; 1373 } 1374 } 1375 #endif 1376 } 1377 1378 1379 if (s_dcert_file) 1380 { 1381 1382 if (s_dkey_file == NULL) 1383 s_dkey_file = s_dcert_file; 1384 1385 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1386 0, dpass, e, 1387 "second certificate private key file"); 1388 if (!s_dkey) 1389 { 1390 ERR_print_errors(bio_err); 1391 goto end; 1392 } 1393 1394 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format, 1395 NULL, e, "second server certificate file"); 1396 1397 if (!s_dcert) 1398 { 1399 ERR_print_errors(bio_err); 1400 goto end; 1401 } 1402 1403 } 1404 1405 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1406 && !RAND_status()) 1407 { 1408 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1409 } 1410 if (inrand != NULL) 1411 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1412 app_RAND_load_files(inrand)); 1413 1414 if (bio_s_out == NULL) 1415 { 1416 if (s_quiet && !s_debug && !s_msg) 1417 { 1418 bio_s_out=BIO_new(BIO_s_null()); 1419 } 1420 else 1421 { 1422 if (bio_s_out == NULL) 1423 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1424 } 1425 } 1426 1427 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1428 if (nocert) 1429 #endif 1430 { 1431 s_cert_file=NULL; 1432 s_key_file=NULL; 1433 s_dcert_file=NULL; 1434 s_dkey_file=NULL; 1435 #ifndef OPENSSL_NO_TLSEXT 1436 s_cert_file2=NULL; 1437 s_key_file2=NULL; 1438 #endif 1439 } 1440 1441 ctx=SSL_CTX_new(meth); 1442 if (ctx == NULL) 1443 { 1444 ERR_print_errors(bio_err); 1445 goto end; 1446 } 1447 if (session_id_prefix) 1448 { 1449 if(strlen(session_id_prefix) >= 32) 1450 BIO_printf(bio_err, 1451 "warning: id_prefix is too long, only one new session will be possible\n"); 1452 else if(strlen(session_id_prefix) >= 16) 1453 BIO_printf(bio_err, 1454 "warning: id_prefix is too long if you use SSLv2\n"); 1455 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) 1456 { 1457 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1458 ERR_print_errors(bio_err); 1459 goto end; 1460 } 1461 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1462 } 1463 SSL_CTX_set_quiet_shutdown(ctx,1); 1464 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL); 1465 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1466 /* HACK while TLS v1.2 is disabled by default */ 1467 if (!(off & SSL_OP_NO_TLSv1_2)) 1468 SSL_CTX_clear_options(ctx, SSL_OP_NO_TLSv1_2); 1469 SSL_CTX_set_options(ctx,off); 1470 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1471 * Setting read ahead solves this problem. 1472 */ 1473 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1474 1475 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1476 if (no_cache) 1477 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1478 else 1479 SSL_CTX_sess_set_cache_size(ctx,128); 1480 1481 #if 0 1482 if (cipher == NULL) cipher=getenv("SSL_CIPHER"); 1483 #endif 1484 1485 #if 0 1486 if (s_cert_file == NULL) 1487 { 1488 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n"); 1489 goto end; 1490 } 1491 #endif 1492 1493 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1494 (!SSL_CTX_set_default_verify_paths(ctx))) 1495 { 1496 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1497 ERR_print_errors(bio_err); 1498 /* goto end; */ 1499 } 1500 if (vpm) 1501 SSL_CTX_set1_param(ctx, vpm); 1502 1503 #ifndef OPENSSL_NO_TLSEXT 1504 if (s_cert2) 1505 { 1506 ctx2=SSL_CTX_new(meth); 1507 if (ctx2 == NULL) 1508 { 1509 ERR_print_errors(bio_err); 1510 goto end; 1511 } 1512 } 1513 1514 if (ctx2) 1515 { 1516 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n"); 1517 1518 if (session_id_prefix) 1519 { 1520 if(strlen(session_id_prefix) >= 32) 1521 BIO_printf(bio_err, 1522 "warning: id_prefix is too long, only one new session will be possible\n"); 1523 else if(strlen(session_id_prefix) >= 16) 1524 BIO_printf(bio_err, 1525 "warning: id_prefix is too long if you use SSLv2\n"); 1526 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) 1527 { 1528 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1529 ERR_print_errors(bio_err); 1530 goto end; 1531 } 1532 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1533 } 1534 SSL_CTX_set_quiet_shutdown(ctx2,1); 1535 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL); 1536 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1537 SSL_CTX_set_options(ctx2,off); 1538 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1539 * Setting read ahead solves this problem. 1540 */ 1541 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1); 1542 1543 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback); 1544 1545 if (no_cache) 1546 SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF); 1547 else 1548 SSL_CTX_sess_set_cache_size(ctx2,128); 1549 1550 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) || 1551 (!SSL_CTX_set_default_verify_paths(ctx2))) 1552 { 1553 ERR_print_errors(bio_err); 1554 } 1555 if (vpm) 1556 SSL_CTX_set1_param(ctx2, vpm); 1557 } 1558 #endif 1559 1560 #ifndef OPENSSL_NO_DH 1561 if (!no_dhe) 1562 { 1563 DH *dh=NULL; 1564 1565 if (dhfile) 1566 dh = load_dh_param(dhfile); 1567 else if (s_cert_file) 1568 dh = load_dh_param(s_cert_file); 1569 1570 if (dh != NULL) 1571 { 1572 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1573 } 1574 else 1575 { 1576 BIO_printf(bio_s_out,"Using default temp DH parameters\n"); 1577 dh=get_dh512(); 1578 } 1579 (void)BIO_flush(bio_s_out); 1580 1581 SSL_CTX_set_tmp_dh(ctx,dh); 1582 #ifndef OPENSSL_NO_TLSEXT 1583 if (ctx2) 1584 { 1585 if (!dhfile) 1586 { 1587 DH *dh2=load_dh_param(s_cert_file2); 1588 if (dh2 != NULL) 1589 { 1590 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1591 (void)BIO_flush(bio_s_out); 1592 1593 DH_free(dh); 1594 dh = dh2; 1595 } 1596 } 1597 SSL_CTX_set_tmp_dh(ctx2,dh); 1598 } 1599 #endif 1600 DH_free(dh); 1601 } 1602 #endif 1603 1604 #ifndef OPENSSL_NO_ECDH 1605 if (!no_ecdhe) 1606 { 1607 EC_KEY *ecdh=NULL; 1608 1609 if (named_curve) 1610 { 1611 int nid = OBJ_sn2nid(named_curve); 1612 1613 if (nid == 0) 1614 { 1615 BIO_printf(bio_err, "unknown curve name (%s)\n", 1616 named_curve); 1617 goto end; 1618 } 1619 ecdh = EC_KEY_new_by_curve_name(nid); 1620 if (ecdh == NULL) 1621 { 1622 BIO_printf(bio_err, "unable to create curve (%s)\n", 1623 named_curve); 1624 goto end; 1625 } 1626 } 1627 1628 if (ecdh != NULL) 1629 { 1630 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n"); 1631 } 1632 else 1633 { 1634 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n"); 1635 ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); 1636 if (ecdh == NULL) 1637 { 1638 BIO_printf(bio_err, "unable to create curve (nistp256)\n"); 1639 goto end; 1640 } 1641 } 1642 (void)BIO_flush(bio_s_out); 1643 1644 SSL_CTX_set_tmp_ecdh(ctx,ecdh); 1645 #ifndef OPENSSL_NO_TLSEXT 1646 if (ctx2) 1647 SSL_CTX_set_tmp_ecdh(ctx2,ecdh); 1648 #endif 1649 EC_KEY_free(ecdh); 1650 } 1651 #endif 1652 1653 if (!set_cert_key_stuff(ctx,s_cert,s_key)) 1654 goto end; 1655 #ifndef OPENSSL_NO_TLSEXT 1656 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2)) 1657 goto end; 1658 #endif 1659 if (s_dcert != NULL) 1660 { 1661 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey)) 1662 goto end; 1663 } 1664 1665 #ifndef OPENSSL_NO_RSA 1666 #if 1 1667 if (!no_tmp_rsa) 1668 { 1669 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb); 1670 #ifndef OPENSSL_NO_TLSEXT 1671 if (ctx2) 1672 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb); 1673 #endif 1674 } 1675 #else 1676 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) 1677 { 1678 RSA *rsa; 1679 1680 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key..."); 1681 BIO_flush(bio_s_out); 1682 1683 rsa=RSA_generate_key(512,RSA_F4,NULL); 1684 1685 if (!SSL_CTX_set_tmp_rsa(ctx,rsa)) 1686 { 1687 ERR_print_errors(bio_err); 1688 goto end; 1689 } 1690 #ifndef OPENSSL_NO_TLSEXT 1691 if (ctx2) 1692 { 1693 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa)) 1694 { 1695 ERR_print_errors(bio_err); 1696 goto end; 1697 } 1698 } 1699 #endif 1700 RSA_free(rsa); 1701 BIO_printf(bio_s_out,"\n"); 1702 } 1703 #endif 1704 #endif 1705 1706 #ifndef OPENSSL_NO_PSK 1707 #ifdef OPENSSL_NO_JPAKE 1708 if (psk_key != NULL) 1709 #else 1710 if (psk_key != NULL || jpake_secret) 1711 #endif 1712 { 1713 if (s_debug) 1714 BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n"); 1715 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 1716 } 1717 1718 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) 1719 { 1720 BIO_printf(bio_err,"error setting PSK identity hint to context\n"); 1721 ERR_print_errors(bio_err); 1722 goto end; 1723 } 1724 #endif 1725 1726 if (cipher != NULL) 1727 { 1728 if(!SSL_CTX_set_cipher_list(ctx,cipher)) 1729 { 1730 BIO_printf(bio_err,"error setting cipher list\n"); 1731 ERR_print_errors(bio_err); 1732 goto end; 1733 } 1734 #ifndef OPENSSL_NO_TLSEXT 1735 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher)) 1736 { 1737 BIO_printf(bio_err,"error setting cipher list\n"); 1738 ERR_print_errors(bio_err); 1739 goto end; 1740 } 1741 #endif 1742 } 1743 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback); 1744 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context, 1745 sizeof s_server_session_id_context); 1746 1747 /* Set DTLS cookie generation and verification callbacks */ 1748 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 1749 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 1750 1751 #ifndef OPENSSL_NO_TLSEXT 1752 if (ctx2) 1753 { 1754 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback); 1755 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context, 1756 sizeof s_server_session_id_context); 1757 1758 tlsextcbp.biodebug = bio_s_out; 1759 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 1760 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 1761 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1762 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1763 } 1764 #endif 1765 1766 #ifndef OPENSSL_NO_SRP 1767 if (srp_verifier_file != NULL) 1768 { 1769 p.vb = SRP_VBASE_new(srpuserseed); 1770 if ((ret = SRP_VBASE_init(p.vb, srp_verifier_file)) != SRP_NO_ERROR) 1771 { 1772 BIO_printf(bio_err, 1773 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 1774 srp_verifier_file, ret); 1775 goto end; 1776 } 1777 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback); 1778 SSL_CTX_set_srp_cb_arg(ctx, &p); 1779 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 1780 } 1781 else 1782 #endif 1783 if (CAfile != NULL) 1784 { 1785 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile)); 1786 #ifndef OPENSSL_NO_TLSEXT 1787 if (ctx2) 1788 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile)); 1789 #endif 1790 } 1791 1792 BIO_printf(bio_s_out,"ACCEPT\n"); 1793 (void)BIO_flush(bio_s_out); 1794 if (www) 1795 do_server(port,socket_type,&accept_socket,www_body, context); 1796 else 1797 do_server(port,socket_type,&accept_socket,sv_body, context); 1798 print_stats(bio_s_out,ctx); 1799 ret=0; 1800 end: 1801 if (ctx != NULL) SSL_CTX_free(ctx); 1802 if (s_cert) 1803 X509_free(s_cert); 1804 if (s_dcert) 1805 X509_free(s_dcert); 1806 if (s_key) 1807 EVP_PKEY_free(s_key); 1808 if (s_dkey) 1809 EVP_PKEY_free(s_dkey); 1810 if (pass) 1811 OPENSSL_free(pass); 1812 if (dpass) 1813 OPENSSL_free(dpass); 1814 #ifndef OPENSSL_NO_TLSEXT 1815 if (ctx2 != NULL) SSL_CTX_free(ctx2); 1816 if (s_cert2) 1817 X509_free(s_cert2); 1818 if (s_key2) 1819 EVP_PKEY_free(s_key2); 1820 #endif 1821 if (bio_s_out != NULL) 1822 { 1823 BIO_free(bio_s_out); 1824 bio_s_out=NULL; 1825 } 1826 apps_shutdown(); 1827 OPENSSL_EXIT(ret); 1828 } 1829 1830 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 1831 { 1832 BIO_printf(bio,"%4ld items in the session cache\n", 1833 SSL_CTX_sess_number(ssl_ctx)); 1834 BIO_printf(bio,"%4ld client connects (SSL_connect())\n", 1835 SSL_CTX_sess_connect(ssl_ctx)); 1836 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n", 1837 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 1838 BIO_printf(bio,"%4ld client connects that finished\n", 1839 SSL_CTX_sess_connect_good(ssl_ctx)); 1840 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n", 1841 SSL_CTX_sess_accept(ssl_ctx)); 1842 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n", 1843 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 1844 BIO_printf(bio,"%4ld server accepts that finished\n", 1845 SSL_CTX_sess_accept_good(ssl_ctx)); 1846 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx)); 1847 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx)); 1848 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx)); 1849 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx)); 1850 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n", 1851 SSL_CTX_sess_cache_full(ssl_ctx), 1852 SSL_CTX_sess_get_cache_size(ssl_ctx)); 1853 } 1854 1855 static int sv_body(char *hostname, int s, unsigned char *context) 1856 { 1857 char *buf=NULL; 1858 fd_set readfds; 1859 int ret=1,width; 1860 int k,i; 1861 unsigned long l; 1862 SSL *con=NULL; 1863 BIO *sbio; 1864 #ifndef OPENSSL_NO_KRB5 1865 KSSL_CTX *kctx; 1866 #endif 1867 struct timeval timeout; 1868 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1869 struct timeval tv; 1870 #else 1871 struct timeval *timeoutp; 1872 #endif 1873 1874 if ((buf=OPENSSL_malloc(bufsize)) == NULL) 1875 { 1876 BIO_printf(bio_err,"out of memory\n"); 1877 goto err; 1878 } 1879 #ifdef FIONBIO 1880 if (s_nbio) 1881 { 1882 unsigned long sl=1; 1883 1884 if (!s_quiet) 1885 BIO_printf(bio_err,"turning on non blocking io\n"); 1886 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 1887 ERR_print_errors(bio_err); 1888 } 1889 #endif 1890 1891 if (con == NULL) { 1892 con=SSL_new(ctx); 1893 #ifndef OPENSSL_NO_TLSEXT 1894 if (s_tlsextdebug) 1895 { 1896 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1897 SSL_set_tlsext_debug_arg(con, bio_s_out); 1898 } 1899 if (s_tlsextstatus) 1900 { 1901 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 1902 tlscstatp.err = bio_err; 1903 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 1904 } 1905 #endif 1906 #ifndef OPENSSL_NO_KRB5 1907 if ((kctx = kssl_ctx_new()) != NULL) 1908 { 1909 SSL_set0_kssl_ctx(con, kctx); 1910 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 1911 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 1912 } 1913 #endif /* OPENSSL_NO_KRB5 */ 1914 if(context) 1915 SSL_set_session_id_context(con, context, 1916 strlen((char *)context)); 1917 } 1918 SSL_clear(con); 1919 #if 0 1920 #ifdef TLSEXT_TYPE_opaque_prf_input 1921 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 1922 #endif 1923 #endif 1924 1925 if (SSL_version(con) == DTLS1_VERSION) 1926 { 1927 1928 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1929 1930 if (enable_timeouts) 1931 { 1932 timeout.tv_sec = 0; 1933 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1934 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1935 1936 timeout.tv_sec = 0; 1937 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1938 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1939 } 1940 1941 if (socket_mtu > 28) 1942 { 1943 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1944 SSL_set_mtu(con, socket_mtu - 28); 1945 } 1946 else 1947 /* want to do MTU discovery */ 1948 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1949 1950 /* turn on cookie exchange */ 1951 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 1952 } 1953 else 1954 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1955 1956 if (s_nbio_test) 1957 { 1958 BIO *test; 1959 1960 test=BIO_new(BIO_f_nbio_test()); 1961 sbio=BIO_push(test,sbio); 1962 } 1963 #ifndef OPENSSL_NO_JPAKE 1964 if(jpake_secret) 1965 jpake_server_auth(bio_s_out, sbio, jpake_secret); 1966 #endif 1967 1968 SSL_set_bio(con,sbio,sbio); 1969 SSL_set_accept_state(con); 1970 /* SSL_set_fd(con,s); */ 1971 1972 if (s_debug) 1973 { 1974 SSL_set_debug(con, 1); 1975 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 1976 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 1977 } 1978 if (s_msg) 1979 { 1980 SSL_set_msg_callback(con, msg_cb); 1981 SSL_set_msg_callback_arg(con, bio_s_out); 1982 } 1983 #ifndef OPENSSL_NO_TLSEXT 1984 if (s_tlsextdebug) 1985 { 1986 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1987 SSL_set_tlsext_debug_arg(con, bio_s_out); 1988 } 1989 #endif 1990 1991 width=s+1; 1992 for (;;) 1993 { 1994 int read_from_terminal; 1995 int read_from_sslcon; 1996 1997 read_from_terminal = 0; 1998 read_from_sslcon = SSL_pending(con); 1999 2000 if (!read_from_sslcon) 2001 { 2002 FD_ZERO(&readfds); 2003 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 2004 openssl_fdset(fileno(stdin),&readfds); 2005 #endif 2006 openssl_fdset(s,&readfds); 2007 /* Note: under VMS with SOCKETSHR the second parameter is 2008 * currently of type (int *) whereas under other systems 2009 * it is (void *) if you don't have a cast it will choke 2010 * the compiler: if you do have a cast then you can either 2011 * go for (int *) or (void *). 2012 */ 2013 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 2014 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only 2015 * on sockets. As a workaround we timeout the select every 2016 * second and check for any keypress. In a proper Windows 2017 * application we wouldn't do this because it is inefficient. 2018 */ 2019 tv.tv_sec = 1; 2020 tv.tv_usec = 0; 2021 i=select(width,(void *)&readfds,NULL,NULL,&tv); 2022 if((i < 0) || (!i && !_kbhit() ) )continue; 2023 if(_kbhit()) 2024 read_from_terminal = 1; 2025 #elif defined(OPENSSL_SYS_BEOS_R5) 2026 /* Under BeOS-R5 the situation is similar to DOS */ 2027 tv.tv_sec = 1; 2028 tv.tv_usec = 0; 2029 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 2030 i=select(width,(void *)&readfds,NULL,NULL,&tv); 2031 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0)) 2032 continue; 2033 if (read(fileno(stdin), buf, 0) >= 0) 2034 read_from_terminal = 1; 2035 (void)fcntl(fileno(stdin), F_SETFL, 0); 2036 #else 2037 if ((SSL_version(con) == DTLS1_VERSION) && 2038 DTLSv1_get_timeout(con, &timeout)) 2039 timeoutp = &timeout; 2040 else 2041 timeoutp = NULL; 2042 2043 i=select(width,(void *)&readfds,NULL,NULL,timeoutp); 2044 2045 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 2046 { 2047 BIO_printf(bio_err,"TIMEOUT occured\n"); 2048 } 2049 2050 if (i <= 0) continue; 2051 if (FD_ISSET(fileno(stdin),&readfds)) 2052 read_from_terminal = 1; 2053 #endif 2054 if (FD_ISSET(s,&readfds)) 2055 read_from_sslcon = 1; 2056 } 2057 if (read_from_terminal) 2058 { 2059 if (s_crlf) 2060 { 2061 int j, lf_num; 2062 2063 i=raw_read_stdin(buf, bufsize/2); 2064 lf_num = 0; 2065 /* both loops are skipped when i <= 0 */ 2066 for (j = 0; j < i; j++) 2067 if (buf[j] == '\n') 2068 lf_num++; 2069 for (j = i-1; j >= 0; j--) 2070 { 2071 buf[j+lf_num] = buf[j]; 2072 if (buf[j] == '\n') 2073 { 2074 lf_num--; 2075 i++; 2076 buf[j+lf_num] = '\r'; 2077 } 2078 } 2079 assert(lf_num == 0); 2080 } 2081 else 2082 i=raw_read_stdin(buf,bufsize); 2083 if (!s_quiet) 2084 { 2085 if ((i <= 0) || (buf[0] == 'Q')) 2086 { 2087 BIO_printf(bio_s_out,"DONE\n"); 2088 SHUTDOWN(s); 2089 close_accept_socket(); 2090 ret= -11; 2091 goto err; 2092 } 2093 if ((i <= 0) || (buf[0] == 'q')) 2094 { 2095 BIO_printf(bio_s_out,"DONE\n"); 2096 if (SSL_version(con) != DTLS1_VERSION) 2097 SHUTDOWN(s); 2098 /* close_accept_socket(); 2099 ret= -11;*/ 2100 goto err; 2101 } 2102 2103 if ((buf[0] == 'r') && 2104 ((buf[1] == '\n') || (buf[1] == '\r'))) 2105 { 2106 SSL_renegotiate(con); 2107 i=SSL_do_handshake(con); 2108 printf("SSL_do_handshake -> %d\n",i); 2109 i=0; /*13; */ 2110 continue; 2111 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */ 2112 } 2113 if ((buf[0] == 'R') && 2114 ((buf[1] == '\n') || (buf[1] == '\r'))) 2115 { 2116 SSL_set_verify(con, 2117 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL); 2118 SSL_renegotiate(con); 2119 i=SSL_do_handshake(con); 2120 printf("SSL_do_handshake -> %d\n",i); 2121 i=0; /* 13; */ 2122 continue; 2123 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */ 2124 } 2125 if (buf[0] == 'P') 2126 { 2127 static const char *str="Lets print some clear text\n"; 2128 BIO_write(SSL_get_wbio(con),str,strlen(str)); 2129 } 2130 if (buf[0] == 'S') 2131 { 2132 print_stats(bio_s_out,SSL_get_SSL_CTX(con)); 2133 } 2134 } 2135 #ifdef CHARSET_EBCDIC 2136 ebcdic2ascii(buf,buf,i); 2137 #endif 2138 l=k=0; 2139 for (;;) 2140 { 2141 /* should do a select for the write */ 2142 #ifdef RENEG 2143 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } } 2144 #endif 2145 k=SSL_write(con,&(buf[l]),(unsigned int)i); 2146 switch (SSL_get_error(con,k)) 2147 { 2148 case SSL_ERROR_NONE: 2149 break; 2150 case SSL_ERROR_WANT_WRITE: 2151 case SSL_ERROR_WANT_READ: 2152 case SSL_ERROR_WANT_X509_LOOKUP: 2153 BIO_printf(bio_s_out,"Write BLOCK\n"); 2154 break; 2155 case SSL_ERROR_SYSCALL: 2156 case SSL_ERROR_SSL: 2157 BIO_printf(bio_s_out,"ERROR\n"); 2158 ERR_print_errors(bio_err); 2159 ret=1; 2160 goto err; 2161 /* break; */ 2162 case SSL_ERROR_ZERO_RETURN: 2163 BIO_printf(bio_s_out,"DONE\n"); 2164 ret=1; 2165 goto err; 2166 } 2167 l+=k; 2168 i-=k; 2169 if (i <= 0) break; 2170 } 2171 } 2172 if (read_from_sslcon) 2173 { 2174 if (!SSL_is_init_finished(con)) 2175 { 2176 i=init_ssl_connection(con); 2177 2178 if (i < 0) 2179 { 2180 ret=0; 2181 goto err; 2182 } 2183 else if (i == 0) 2184 { 2185 ret=1; 2186 goto err; 2187 } 2188 } 2189 else 2190 { 2191 again: 2192 i=SSL_read(con,(char *)buf,bufsize); 2193 switch (SSL_get_error(con,i)) 2194 { 2195 case SSL_ERROR_NONE: 2196 #ifdef CHARSET_EBCDIC 2197 ascii2ebcdic(buf,buf,i); 2198 #endif 2199 raw_write_stdout(buf, 2200 (unsigned int)i); 2201 if (SSL_pending(con)) goto again; 2202 break; 2203 case SSL_ERROR_WANT_WRITE: 2204 case SSL_ERROR_WANT_READ: 2205 case SSL_ERROR_WANT_X509_LOOKUP: 2206 BIO_printf(bio_s_out,"Read BLOCK\n"); 2207 break; 2208 case SSL_ERROR_SYSCALL: 2209 case SSL_ERROR_SSL: 2210 BIO_printf(bio_s_out,"ERROR\n"); 2211 ERR_print_errors(bio_err); 2212 ret=1; 2213 goto err; 2214 case SSL_ERROR_ZERO_RETURN: 2215 BIO_printf(bio_s_out,"DONE\n"); 2216 ret=1; 2217 goto err; 2218 } 2219 } 2220 } 2221 } 2222 err: 2223 if (con != NULL) 2224 { 2225 BIO_printf(bio_s_out,"shutting down SSL\n"); 2226 #if 1 2227 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2228 #else 2229 SSL_shutdown(con); 2230 #endif 2231 SSL_free(con); 2232 } 2233 BIO_printf(bio_s_out,"CONNECTION CLOSED\n"); 2234 if (buf != NULL) 2235 { 2236 OPENSSL_cleanse(buf,bufsize); 2237 OPENSSL_free(buf); 2238 } 2239 if (ret >= 0) 2240 BIO_printf(bio_s_out,"ACCEPT\n"); 2241 return(ret); 2242 } 2243 2244 static void close_accept_socket(void) 2245 { 2246 BIO_printf(bio_err,"shutdown accept socket\n"); 2247 if (accept_socket >= 0) 2248 { 2249 SHUTDOWN2(accept_socket); 2250 } 2251 } 2252 2253 static int init_ssl_connection(SSL *con) 2254 { 2255 int i; 2256 const char *str; 2257 X509 *peer; 2258 long verify_error; 2259 MS_STATIC char buf[BUFSIZ]; 2260 #ifndef OPENSSL_NO_KRB5 2261 char *client_princ; 2262 #endif 2263 2264 if ((i=SSL_accept(con)) <= 0) 2265 { 2266 if (BIO_sock_should_retry(i)) 2267 { 2268 BIO_printf(bio_s_out,"DELAY\n"); 2269 return(1); 2270 } 2271 2272 BIO_printf(bio_err,"ERROR\n"); 2273 verify_error=SSL_get_verify_result(con); 2274 if (verify_error != X509_V_OK) 2275 { 2276 BIO_printf(bio_err,"verify error:%s\n", 2277 X509_verify_cert_error_string(verify_error)); 2278 } 2279 else 2280 ERR_print_errors(bio_err); 2281 return(0); 2282 } 2283 2284 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con)); 2285 2286 peer=SSL_get_peer_certificate(con); 2287 if (peer != NULL) 2288 { 2289 BIO_printf(bio_s_out,"Client certificate\n"); 2290 PEM_write_bio_X509(bio_s_out,peer); 2291 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf); 2292 BIO_printf(bio_s_out,"subject=%s\n",buf); 2293 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf); 2294 BIO_printf(bio_s_out,"issuer=%s\n",buf); 2295 X509_free(peer); 2296 } 2297 2298 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL) 2299 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf); 2300 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2301 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)"); 2302 if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n"); 2303 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) & 2304 TLS1_FLAGS_TLS_PADDING_BUG) 2305 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n"); 2306 #ifndef OPENSSL_NO_KRB5 2307 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); 2308 if (client_princ != NULL) 2309 { 2310 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n", 2311 client_princ); 2312 } 2313 #endif /* OPENSSL_NO_KRB5 */ 2314 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2315 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2316 return(1); 2317 } 2318 2319 #ifndef OPENSSL_NO_DH 2320 static DH *load_dh_param(const char *dhfile) 2321 { 2322 DH *ret=NULL; 2323 BIO *bio; 2324 2325 if ((bio=BIO_new_file(dhfile,"r")) == NULL) 2326 goto err; 2327 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL); 2328 err: 2329 if (bio != NULL) BIO_free(bio); 2330 return(ret); 2331 } 2332 #endif 2333 #ifndef OPENSSL_NO_KRB5 2334 char *client_princ; 2335 #endif 2336 2337 #if 0 2338 static int load_CA(SSL_CTX *ctx, char *file) 2339 { 2340 FILE *in; 2341 X509 *x=NULL; 2342 2343 if ((in=fopen(file,"r")) == NULL) 2344 return(0); 2345 2346 for (;;) 2347 { 2348 if (PEM_read_X509(in,&x,NULL) == NULL) 2349 break; 2350 SSL_CTX_add_client_CA(ctx,x); 2351 } 2352 if (x != NULL) X509_free(x); 2353 fclose(in); 2354 return(1); 2355 } 2356 #endif 2357 2358 static int www_body(char *hostname, int s, unsigned char *context) 2359 { 2360 char *buf=NULL; 2361 int ret=1; 2362 int i,j,k,dot; 2363 SSL *con; 2364 const SSL_CIPHER *c; 2365 BIO *io,*ssl_bio,*sbio; 2366 #ifndef OPENSSL_NO_KRB5 2367 KSSL_CTX *kctx; 2368 #endif 2369 2370 buf=OPENSSL_malloc(bufsize); 2371 if (buf == NULL) return(0); 2372 io=BIO_new(BIO_f_buffer()); 2373 ssl_bio=BIO_new(BIO_f_ssl()); 2374 if ((io == NULL) || (ssl_bio == NULL)) goto err; 2375 2376 #ifdef FIONBIO 2377 if (s_nbio) 2378 { 2379 unsigned long sl=1; 2380 2381 if (!s_quiet) 2382 BIO_printf(bio_err,"turning on non blocking io\n"); 2383 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 2384 ERR_print_errors(bio_err); 2385 } 2386 #endif 2387 2388 /* lets make the output buffer a reasonable size */ 2389 if (!BIO_set_write_buffer_size(io,bufsize)) goto err; 2390 2391 if ((con=SSL_new(ctx)) == NULL) goto err; 2392 #ifndef OPENSSL_NO_TLSEXT 2393 if (s_tlsextdebug) 2394 { 2395 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2396 SSL_set_tlsext_debug_arg(con, bio_s_out); 2397 } 2398 #endif 2399 #ifndef OPENSSL_NO_KRB5 2400 if ((kctx = kssl_ctx_new()) != NULL) 2401 { 2402 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2403 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2404 } 2405 #endif /* OPENSSL_NO_KRB5 */ 2406 if(context) SSL_set_session_id_context(con, context, 2407 strlen((char *)context)); 2408 2409 sbio=BIO_new_socket(s,BIO_NOCLOSE); 2410 if (s_nbio_test) 2411 { 2412 BIO *test; 2413 2414 test=BIO_new(BIO_f_nbio_test()); 2415 sbio=BIO_push(test,sbio); 2416 } 2417 SSL_set_bio(con,sbio,sbio); 2418 SSL_set_accept_state(con); 2419 2420 /* SSL_set_fd(con,s); */ 2421 BIO_set_ssl(ssl_bio,con,BIO_CLOSE); 2422 BIO_push(io,ssl_bio); 2423 #ifdef CHARSET_EBCDIC 2424 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io); 2425 #endif 2426 2427 if (s_debug) 2428 { 2429 SSL_set_debug(con, 1); 2430 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 2431 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 2432 } 2433 if (s_msg) 2434 { 2435 SSL_set_msg_callback(con, msg_cb); 2436 SSL_set_msg_callback_arg(con, bio_s_out); 2437 } 2438 2439 for (;;) 2440 { 2441 if (hack) 2442 { 2443 i=SSL_accept(con); 2444 2445 switch (SSL_get_error(con,i)) 2446 { 2447 case SSL_ERROR_NONE: 2448 break; 2449 case SSL_ERROR_WANT_WRITE: 2450 case SSL_ERROR_WANT_READ: 2451 case SSL_ERROR_WANT_X509_LOOKUP: 2452 continue; 2453 case SSL_ERROR_SYSCALL: 2454 case SSL_ERROR_SSL: 2455 case SSL_ERROR_ZERO_RETURN: 2456 ret=1; 2457 goto err; 2458 /* break; */ 2459 } 2460 2461 SSL_renegotiate(con); 2462 SSL_write(con,NULL,0); 2463 } 2464 2465 i=BIO_gets(io,buf,bufsize-1); 2466 if (i < 0) /* error */ 2467 { 2468 if (!BIO_should_retry(io)) 2469 { 2470 if (!s_quiet) 2471 ERR_print_errors(bio_err); 2472 goto err; 2473 } 2474 else 2475 { 2476 BIO_printf(bio_s_out,"read R BLOCK\n"); 2477 #if defined(OPENSSL_SYS_NETWARE) 2478 delay(1000); 2479 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2480 sleep(1); 2481 #endif 2482 continue; 2483 } 2484 } 2485 else if (i == 0) /* end of input */ 2486 { 2487 ret=1; 2488 goto end; 2489 } 2490 2491 /* else we have data */ 2492 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) || 2493 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0))) 2494 { 2495 char *p; 2496 X509 *peer; 2497 STACK_OF(SSL_CIPHER) *sk; 2498 static const char *space=" "; 2499 2500 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2501 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2502 BIO_puts(io,"<pre>\n"); 2503 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2504 BIO_puts(io,"\n"); 2505 for (i=0; i<local_argc; i++) 2506 { 2507 BIO_puts(io,local_argv[i]); 2508 BIO_write(io," ",1); 2509 } 2510 BIO_puts(io,"\n"); 2511 2512 /* The following is evil and should not really 2513 * be done */ 2514 BIO_printf(io,"Ciphers supported in s_server binary\n"); 2515 sk=SSL_get_ciphers(con); 2516 j=sk_SSL_CIPHER_num(sk); 2517 for (i=0; i<j; i++) 2518 { 2519 c=sk_SSL_CIPHER_value(sk,i); 2520 BIO_printf(io,"%-11s:%-25s", 2521 SSL_CIPHER_get_version(c), 2522 SSL_CIPHER_get_name(c)); 2523 if ((((i+1)%2) == 0) && (i+1 != j)) 2524 BIO_puts(io,"\n"); 2525 } 2526 BIO_puts(io,"\n"); 2527 p=SSL_get_shared_ciphers(con,buf,bufsize); 2528 if (p != NULL) 2529 { 2530 BIO_printf(io,"---\nCiphers common between both SSL end points:\n"); 2531 j=i=0; 2532 while (*p) 2533 { 2534 if (*p == ':') 2535 { 2536 BIO_write(io,space,26-j); 2537 i++; 2538 j=0; 2539 BIO_write(io,((i%3)?" ":"\n"),1); 2540 } 2541 else 2542 { 2543 BIO_write(io,p,1); 2544 j++; 2545 } 2546 p++; 2547 } 2548 BIO_puts(io,"\n"); 2549 } 2550 BIO_printf(io,(SSL_cache_hit(con) 2551 ?"---\nReused, " 2552 :"---\nNew, ")); 2553 c=SSL_get_current_cipher(con); 2554 BIO_printf(io,"%s, Cipher is %s\n", 2555 SSL_CIPHER_get_version(c), 2556 SSL_CIPHER_get_name(c)); 2557 SSL_SESSION_print(io,SSL_get_session(con)); 2558 BIO_printf(io,"---\n"); 2559 print_stats(io,SSL_get_SSL_CTX(con)); 2560 BIO_printf(io,"---\n"); 2561 peer=SSL_get_peer_certificate(con); 2562 if (peer != NULL) 2563 { 2564 BIO_printf(io,"Client certificate\n"); 2565 X509_print(io,peer); 2566 PEM_write_bio_X509(io,peer); 2567 } 2568 else 2569 BIO_puts(io,"no client certificate available\n"); 2570 BIO_puts(io,"</BODY></HTML>\r\n\r\n"); 2571 break; 2572 } 2573 else if ((www == 2 || www == 3) 2574 && (strncmp("GET /",buf,5) == 0)) 2575 { 2576 BIO *file; 2577 char *p,*e; 2578 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 2579 2580 /* skip the '/' */ 2581 p= &(buf[5]); 2582 2583 dot = 1; 2584 for (e=p; *e != '\0'; e++) 2585 { 2586 if (e[0] == ' ') 2587 break; 2588 2589 switch (dot) 2590 { 2591 case 1: 2592 dot = (e[0] == '.') ? 2 : 0; 2593 break; 2594 case 2: 2595 dot = (e[0] == '.') ? 3 : 0; 2596 break; 2597 case 3: 2598 dot = (e[0] == '/') ? -1 : 0; 2599 break; 2600 } 2601 if (dot == 0) 2602 dot = (e[0] == '/') ? 1 : 0; 2603 } 2604 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */ 2605 2606 if (*e == '\0') 2607 { 2608 BIO_puts(io,text); 2609 BIO_printf(io,"'%s' is an invalid file name\r\n",p); 2610 break; 2611 } 2612 *e='\0'; 2613 2614 if (dot) 2615 { 2616 BIO_puts(io,text); 2617 BIO_printf(io,"'%s' contains '..' reference\r\n",p); 2618 break; 2619 } 2620 2621 if (*p == '/') 2622 { 2623 BIO_puts(io,text); 2624 BIO_printf(io,"'%s' is an invalid path\r\n",p); 2625 break; 2626 } 2627 2628 #if 0 2629 /* append if a directory lookup */ 2630 if (e[-1] == '/') 2631 strcat(p,"index.html"); 2632 #endif 2633 2634 /* if a directory, do the index thang */ 2635 if (app_isdir(p)>0) 2636 { 2637 #if 0 /* must check buffer size */ 2638 strcat(p,"/index.html"); 2639 #else 2640 BIO_puts(io,text); 2641 BIO_printf(io,"'%s' is a directory\r\n",p); 2642 break; 2643 #endif 2644 } 2645 2646 if ((file=BIO_new_file(p,"r")) == NULL) 2647 { 2648 BIO_puts(io,text); 2649 BIO_printf(io,"Error opening '%s'\r\n",p); 2650 ERR_print_errors(io); 2651 break; 2652 } 2653 2654 if (!s_quiet) 2655 BIO_printf(bio_err,"FILE:%s\n",p); 2656 2657 if (www == 2) 2658 { 2659 i=strlen(p); 2660 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) || 2661 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) || 2662 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0))) 2663 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2664 else 2665 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 2666 } 2667 /* send the file */ 2668 for (;;) 2669 { 2670 i=BIO_read(file,buf,bufsize); 2671 if (i <= 0) break; 2672 2673 #ifdef RENEG 2674 total_bytes+=i; 2675 fprintf(stderr,"%d\n",i); 2676 if (total_bytes > 3*1024) 2677 { 2678 total_bytes=0; 2679 fprintf(stderr,"RENEGOTIATE\n"); 2680 SSL_renegotiate(con); 2681 } 2682 #endif 2683 2684 for (j=0; j<i; ) 2685 { 2686 #ifdef RENEG 2687 { static count=0; if (++count == 13) { SSL_renegotiate(con); } } 2688 #endif 2689 k=BIO_write(io,&(buf[j]),i-j); 2690 if (k <= 0) 2691 { 2692 if (!BIO_should_retry(io)) 2693 goto write_error; 2694 else 2695 { 2696 BIO_printf(bio_s_out,"rwrite W BLOCK\n"); 2697 } 2698 } 2699 else 2700 { 2701 j+=k; 2702 } 2703 } 2704 } 2705 write_error: 2706 BIO_free(file); 2707 break; 2708 } 2709 } 2710 2711 for (;;) 2712 { 2713 i=(int)BIO_flush(io); 2714 if (i <= 0) 2715 { 2716 if (!BIO_should_retry(io)) 2717 break; 2718 } 2719 else 2720 break; 2721 } 2722 end: 2723 #if 1 2724 /* make sure we re-use sessions */ 2725 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2726 #else 2727 /* This kills performance */ 2728 /* SSL_shutdown(con); A shutdown gets sent in the 2729 * BIO_free_all(io) procession */ 2730 #endif 2731 2732 err: 2733 2734 if (ret >= 0) 2735 BIO_printf(bio_s_out,"ACCEPT\n"); 2736 2737 if (buf != NULL) OPENSSL_free(buf); 2738 if (io != NULL) BIO_free_all(io); 2739 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 2740 return(ret); 2741 } 2742 2743 #ifndef OPENSSL_NO_RSA 2744 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 2745 { 2746 BIGNUM *bn = NULL; 2747 static RSA *rsa_tmp=NULL; 2748 2749 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 2750 BIO_printf(bio_err,"Allocation error in generating RSA key\n"); 2751 if (!rsa_tmp && bn) 2752 { 2753 if (!s_quiet) 2754 { 2755 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength); 2756 (void)BIO_flush(bio_err); 2757 } 2758 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 2759 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) 2760 { 2761 if(rsa_tmp) RSA_free(rsa_tmp); 2762 rsa_tmp = NULL; 2763 } 2764 if (!s_quiet) 2765 { 2766 BIO_printf(bio_err,"\n"); 2767 (void)BIO_flush(bio_err); 2768 } 2769 BN_free(bn); 2770 } 2771 return(rsa_tmp); 2772 } 2773 #endif 2774 2775 #define MAX_SESSION_ID_ATTEMPTS 10 2776 static int generate_session_id(const SSL *ssl, unsigned char *id, 2777 unsigned int *id_len) 2778 { 2779 unsigned int count = 0; 2780 do { 2781 RAND_pseudo_bytes(id, *id_len); 2782 /* Prefix the session_id with the required prefix. NB: If our 2783 * prefix is too long, clip it - but there will be worse effects 2784 * anyway, eg. the server could only possibly create 1 session 2785 * ID (ie. the prefix!) so all future session negotiations will 2786 * fail due to conflicts. */ 2787 memcpy(id, session_id_prefix, 2788 (strlen(session_id_prefix) < *id_len) ? 2789 strlen(session_id_prefix) : *id_len); 2790 } 2791 while(SSL_has_matching_session_id(ssl, id, *id_len) && 2792 (++count < MAX_SESSION_ID_ATTEMPTS)); 2793 if(count >= MAX_SESSION_ID_ATTEMPTS) 2794 return 0; 2795 return 1; 2796 } 2797