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 char *keymatexportlabel=NULL; 297 static int keymatexportlen=20; 298 299 static int hack=0; 300 #ifndef OPENSSL_NO_ENGINE 301 static char *engine_id=NULL; 302 #endif 303 static const char *session_id_prefix=NULL; 304 305 static int enable_timeouts = 0; 306 static long socket_mtu; 307 #ifndef OPENSSL_NO_DTLS1 308 static int cert_chain = 0; 309 #endif 310 311 312 #ifndef OPENSSL_NO_PSK 313 static char *psk_identity="Client_identity"; 314 char *psk_key=NULL; /* by default PSK is not used */ 315 316 static unsigned int psk_server_cb(SSL *ssl, const char *identity, 317 unsigned char *psk, unsigned int max_psk_len) 318 { 319 unsigned int psk_len = 0; 320 int ret; 321 BIGNUM *bn = NULL; 322 323 if (s_debug) 324 BIO_printf(bio_s_out,"psk_server_cb\n"); 325 if (!identity) 326 { 327 BIO_printf(bio_err,"Error: client did not send PSK identity\n"); 328 goto out_err; 329 } 330 if (s_debug) 331 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n", 332 identity ? (int)strlen(identity) : 0, identity); 333 334 /* here we could lookup the given identity e.g. from a database */ 335 if (strcmp(identity, psk_identity) != 0) 336 { 337 BIO_printf(bio_s_out, "PSK error: client identity not found" 338 " (got '%s' expected '%s')\n", identity, 339 psk_identity); 340 goto out_err; 341 } 342 if (s_debug) 343 BIO_printf(bio_s_out, "PSK client identity found\n"); 344 345 /* convert the PSK key to binary */ 346 ret = BN_hex2bn(&bn, psk_key); 347 if (!ret) 348 { 349 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key); 350 if (bn) 351 BN_free(bn); 352 return 0; 353 } 354 if (BN_num_bytes(bn) > (int)max_psk_len) 355 { 356 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n", 357 max_psk_len, BN_num_bytes(bn)); 358 BN_free(bn); 359 return 0; 360 } 361 362 ret = BN_bn2bin(bn, psk); 363 BN_free(bn); 364 365 if (ret < 0) 366 goto out_err; 367 psk_len = (unsigned int)ret; 368 369 if (s_debug) 370 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len); 371 return psk_len; 372 out_err: 373 if (s_debug) 374 BIO_printf(bio_err, "Error in PSK server callback\n"); 375 return 0; 376 } 377 #endif 378 379 #ifndef OPENSSL_NO_SRP 380 /* This is a context that we pass to callbacks */ 381 typedef struct srpsrvparm_st 382 { 383 char *login; 384 SRP_VBASE *vb; 385 SRP_user_pwd *user; 386 } srpsrvparm; 387 388 /* This callback pretends to require some asynchronous logic in order to obtain 389 a verifier. When the callback is called for a new connection we return 390 with a negative value. This will provoke the accept etc to return with 391 an LOOKUP_X509. The main logic of the reinvokes the suspended call 392 (which would normally occur after a worker has finished) and we 393 set the user parameters. 394 */ 395 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 396 { 397 srpsrvparm *p = (srpsrvparm *)arg; 398 if (p->login == NULL && p->user == NULL ) 399 { 400 p->login = SSL_get_srp_username(s); 401 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 402 return (-1) ; 403 } 404 405 if (p->user == NULL) 406 { 407 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 408 return SSL3_AL_FATAL; 409 } 410 if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v, 411 p->user->info) < 0) 412 { 413 *ad = SSL_AD_INTERNAL_ERROR; 414 return SSL3_AL_FATAL; 415 } 416 BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info); 417 /* need to check whether there are memory leaks */ 418 p->user = NULL; 419 p->login = NULL; 420 return SSL_ERROR_NONE; 421 } 422 423 #endif 424 425 #ifdef MONOLITH 426 static void s_server_init(void) 427 { 428 accept_socket=-1; 429 cipher=NULL; 430 s_server_verify=SSL_VERIFY_NONE; 431 s_dcert_file=NULL; 432 s_dkey_file=NULL; 433 s_cert_file=TEST_CERT; 434 s_key_file=NULL; 435 #ifndef OPENSSL_NO_TLSEXT 436 s_cert_file2=TEST_CERT2; 437 s_key_file2=NULL; 438 ctx2=NULL; 439 #endif 440 #ifdef FIONBIO 441 s_nbio=0; 442 #endif 443 s_nbio_test=0; 444 ctx=NULL; 445 www=0; 446 447 bio_s_out=NULL; 448 s_debug=0; 449 s_msg=0; 450 s_quiet=0; 451 hack=0; 452 #ifndef OPENSSL_NO_ENGINE 453 engine_id=NULL; 454 #endif 455 } 456 #endif 457 458 static void sv_usage(void) 459 { 460 BIO_printf(bio_err,"usage: s_server [args ...]\n"); 461 BIO_printf(bio_err,"\n"); 462 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT); 463 BIO_printf(bio_err," -context arg - set session ID context\n"); 464 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); 465 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n"); 466 BIO_printf(bio_err," -cert arg - certificate file to use\n"); 467 BIO_printf(bio_err," (default is %s)\n",TEST_CERT); 468 BIO_printf(bio_err," -crl_check - check the peer certificate has not been revoked by its CA.\n" \ 469 " The CRL(s) are appended to the certificate file\n"); 470 BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \ 471 " or any other CRL in the CA chain. CRL(s) are appened to the\n" \ 472 " the certificate file.\n"); 473 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 474 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n"); 475 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT); 476 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 477 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 478 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n"); 479 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n"); 480 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n"); 481 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 482 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n"); 483 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 484 BIO_printf(bio_err," or a default set of parameters is used\n"); 485 #ifndef OPENSSL_NO_ECDH 486 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \ 487 " Use \"openssl ecparam -list_curves\" for all names\n" \ 488 " (default is nistp256).\n"); 489 #endif 490 #ifdef FIONBIO 491 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 492 #endif 493 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n"); 494 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 495 BIO_printf(bio_err," -debug - Print more output\n"); 496 BIO_printf(bio_err," -msg - Show protocol messages\n"); 497 BIO_printf(bio_err," -state - Print the SSL states\n"); 498 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 499 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 500 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n"); 501 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 502 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n"); 503 BIO_printf(bio_err," -quiet - No server output\n"); 504 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n"); 505 #ifndef OPENSSL_NO_PSK 506 BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n"); 507 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); 508 # ifndef OPENSSL_NO_JPAKE 509 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); 510 # endif 511 #endif 512 #ifndef OPENSSL_NO_SRP 513 BIO_printf(bio_err," -srpvfile file - The verifier file for SRP\n"); 514 BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n"); 515 #endif 516 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n"); 517 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n"); 518 BIO_printf(bio_err," -tls1_2 - Just talk TLSv1.2\n"); 519 BIO_printf(bio_err," -tls1_1 - Just talk TLSv1.1\n"); 520 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n"); 521 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n"); 522 BIO_printf(bio_err," -timeout - Enable timeouts\n"); 523 BIO_printf(bio_err," -mtu - Set link layer MTU\n"); 524 BIO_printf(bio_err," -chain - Read a certificate chain\n"); 525 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n"); 526 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n"); 527 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n"); 528 BIO_printf(bio_err," -no_tls1_1 - Just disable TLSv1.1\n"); 529 BIO_printf(bio_err," -no_tls1_2 - Just disable TLSv1.2\n"); 530 #ifndef OPENSSL_NO_DH 531 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n"); 532 #endif 533 #ifndef OPENSSL_NO_ECDH 534 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n"); 535 #endif 536 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n"); 537 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n"); 538 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 539 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 540 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n"); 541 #ifndef OPENSSL_NO_ENGINE 542 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 543 #endif 544 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 545 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 546 #ifndef OPENSSL_NO_TLSEXT 547 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n"); 548 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 549 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n"); 550 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2); 551 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n"); 552 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2); 553 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 554 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 555 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 556 # ifndef OPENSSL_NO_NEXTPROTONEG 557 BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); 558 # endif 559 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 560 #endif 561 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 562 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 563 } 564 565 static int local_argc=0; 566 static char **local_argv; 567 568 #ifdef CHARSET_EBCDIC 569 static int ebcdic_new(BIO *bi); 570 static int ebcdic_free(BIO *a); 571 static int ebcdic_read(BIO *b, char *out, int outl); 572 static int ebcdic_write(BIO *b, const char *in, int inl); 573 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 574 static int ebcdic_gets(BIO *bp, char *buf, int size); 575 static int ebcdic_puts(BIO *bp, const char *str); 576 577 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 578 static BIO_METHOD methods_ebcdic= 579 { 580 BIO_TYPE_EBCDIC_FILTER, 581 "EBCDIC/ASCII filter", 582 ebcdic_write, 583 ebcdic_read, 584 ebcdic_puts, 585 ebcdic_gets, 586 ebcdic_ctrl, 587 ebcdic_new, 588 ebcdic_free, 589 }; 590 591 typedef struct 592 { 593 size_t alloced; 594 char buff[1]; 595 } EBCDIC_OUTBUFF; 596 597 BIO_METHOD *BIO_f_ebcdic_filter() 598 { 599 return(&methods_ebcdic); 600 } 601 602 static int ebcdic_new(BIO *bi) 603 { 604 EBCDIC_OUTBUFF *wbuf; 605 606 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 607 wbuf->alloced = 1024; 608 wbuf->buff[0] = '\0'; 609 610 bi->ptr=(char *)wbuf; 611 bi->init=1; 612 bi->flags=0; 613 return(1); 614 } 615 616 static int ebcdic_free(BIO *a) 617 { 618 if (a == NULL) return(0); 619 if (a->ptr != NULL) 620 OPENSSL_free(a->ptr); 621 a->ptr=NULL; 622 a->init=0; 623 a->flags=0; 624 return(1); 625 } 626 627 static int ebcdic_read(BIO *b, char *out, int outl) 628 { 629 int ret=0; 630 631 if (out == NULL || outl == 0) return(0); 632 if (b->next_bio == NULL) return(0); 633 634 ret=BIO_read(b->next_bio,out,outl); 635 if (ret > 0) 636 ascii2ebcdic(out,out,ret); 637 return(ret); 638 } 639 640 static int ebcdic_write(BIO *b, const char *in, int inl) 641 { 642 EBCDIC_OUTBUFF *wbuf; 643 int ret=0; 644 int num; 645 unsigned char n; 646 647 if ((in == NULL) || (inl <= 0)) return(0); 648 if (b->next_bio == NULL) return(0); 649 650 wbuf=(EBCDIC_OUTBUFF *)b->ptr; 651 652 if (inl > (num = wbuf->alloced)) 653 { 654 num = num + num; /* double the size */ 655 if (num < inl) 656 num = inl; 657 OPENSSL_free(wbuf); 658 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 659 660 wbuf->alloced = num; 661 wbuf->buff[0] = '\0'; 662 663 b->ptr=(char *)wbuf; 664 } 665 666 ebcdic2ascii(wbuf->buff, in, inl); 667 668 ret=BIO_write(b->next_bio, wbuf->buff, inl); 669 670 return(ret); 671 } 672 673 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 674 { 675 long ret; 676 677 if (b->next_bio == NULL) return(0); 678 switch (cmd) 679 { 680 case BIO_CTRL_DUP: 681 ret=0L; 682 break; 683 default: 684 ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 685 break; 686 } 687 return(ret); 688 } 689 690 static int ebcdic_gets(BIO *bp, char *buf, int size) 691 { 692 int i, ret=0; 693 if (bp->next_bio == NULL) return(0); 694 /* return(BIO_gets(bp->next_bio,buf,size));*/ 695 for (i=0; i<size-1; ++i) 696 { 697 ret = ebcdic_read(bp,&buf[i],1); 698 if (ret <= 0) 699 break; 700 else if (buf[i] == '\n') 701 { 702 ++i; 703 break; 704 } 705 } 706 if (i < size) 707 buf[i] = '\0'; 708 return (ret < 0 && i == 0) ? ret : i; 709 } 710 711 static int ebcdic_puts(BIO *bp, const char *str) 712 { 713 if (bp->next_bio == NULL) return(0); 714 return ebcdic_write(bp, str, strlen(str)); 715 } 716 #endif 717 718 #ifndef OPENSSL_NO_TLSEXT 719 720 /* This is a context that we pass to callbacks */ 721 typedef struct tlsextctx_st { 722 char * servername; 723 BIO * biodebug; 724 int extension_error; 725 } tlsextctx; 726 727 728 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 729 { 730 tlsextctx * p = (tlsextctx *) arg; 731 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 732 if (servername && p->biodebug) 733 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername); 734 735 if (!p->servername) 736 return SSL_TLSEXT_ERR_NOACK; 737 738 if (servername) 739 { 740 if (strcmp(servername,p->servername)) 741 return p->extension_error; 742 if (ctx2) 743 { 744 BIO_printf(p->biodebug,"Switching server context.\n"); 745 SSL_set_SSL_CTX(s,ctx2); 746 } 747 } 748 return SSL_TLSEXT_ERR_OK; 749 } 750 751 /* Structure passed to cert status callback */ 752 753 typedef struct tlsextstatusctx_st { 754 /* Default responder to use */ 755 char *host, *path, *port; 756 int use_ssl; 757 int timeout; 758 BIO *err; 759 int verbose; 760 } tlsextstatusctx; 761 762 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0}; 763 764 /* Certificate Status callback. This is called when a client includes a 765 * certificate status request extension. 766 * 767 * This is a simplified version. It examines certificates each time and 768 * makes one OCSP responder query for each request. 769 * 770 * A full version would store details such as the OCSP certificate IDs and 771 * minimise the number of OCSP responses by caching them until they were 772 * considered "expired". 773 */ 774 775 static int cert_status_cb(SSL *s, void *arg) 776 { 777 tlsextstatusctx *srctx = arg; 778 BIO *err = srctx->err; 779 char *host, *port, *path; 780 int use_ssl; 781 unsigned char *rspder = NULL; 782 int rspderlen; 783 STACK_OF(OPENSSL_STRING) *aia = NULL; 784 X509 *x = NULL; 785 X509_STORE_CTX inctx; 786 X509_OBJECT obj; 787 OCSP_REQUEST *req = NULL; 788 OCSP_RESPONSE *resp = NULL; 789 OCSP_CERTID *id = NULL; 790 STACK_OF(X509_EXTENSION) *exts; 791 int ret = SSL_TLSEXT_ERR_NOACK; 792 int i; 793 #if 0 794 STACK_OF(OCSP_RESPID) *ids; 795 SSL_get_tlsext_status_ids(s, &ids); 796 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids)); 797 #endif 798 if (srctx->verbose) 799 BIO_puts(err, "cert_status: callback called\n"); 800 /* Build up OCSP query from server certificate */ 801 x = SSL_get_certificate(s); 802 aia = X509_get1_ocsp(x); 803 if (aia) 804 { 805 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 806 &host, &port, &path, &use_ssl)) 807 { 808 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 809 goto err; 810 } 811 if (srctx->verbose) 812 BIO_printf(err, "cert_status: AIA URL: %s\n", 813 sk_OPENSSL_STRING_value(aia, 0)); 814 } 815 else 816 { 817 if (!srctx->host) 818 { 819 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n"); 820 goto done; 821 } 822 host = srctx->host; 823 path = srctx->path; 824 port = srctx->port; 825 use_ssl = srctx->use_ssl; 826 } 827 828 if (!X509_STORE_CTX_init(&inctx, 829 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 830 NULL, NULL)) 831 goto err; 832 if (X509_STORE_get_by_subject(&inctx,X509_LU_X509, 833 X509_get_issuer_name(x),&obj) <= 0) 834 { 835 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 836 X509_STORE_CTX_cleanup(&inctx); 837 goto done; 838 } 839 req = OCSP_REQUEST_new(); 840 if (!req) 841 goto err; 842 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 843 X509_free(obj.data.x509); 844 X509_STORE_CTX_cleanup(&inctx); 845 if (!id) 846 goto err; 847 if (!OCSP_request_add0_id(req, id)) 848 goto err; 849 id = NULL; 850 /* Add any extensions to the request */ 851 SSL_get_tlsext_status_exts(s, &exts); 852 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) 853 { 854 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 855 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 856 goto err; 857 } 858 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 859 srctx->timeout); 860 if (!resp) 861 { 862 BIO_puts(err, "cert_status: error querying responder\n"); 863 goto done; 864 } 865 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 866 if (rspderlen <= 0) 867 goto err; 868 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 869 if (srctx->verbose) 870 { 871 BIO_puts(err, "cert_status: ocsp response sent:\n"); 872 OCSP_RESPONSE_print(err, resp, 2); 873 } 874 ret = SSL_TLSEXT_ERR_OK; 875 done: 876 if (ret != SSL_TLSEXT_ERR_OK) 877 ERR_print_errors(err); 878 if (aia) 879 { 880 OPENSSL_free(host); 881 OPENSSL_free(path); 882 OPENSSL_free(port); 883 X509_email_free(aia); 884 } 885 if (id) 886 OCSP_CERTID_free(id); 887 if (req) 888 OCSP_REQUEST_free(req); 889 if (resp) 890 OCSP_RESPONSE_free(resp); 891 return ret; 892 err: 893 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 894 goto done; 895 } 896 897 # ifndef OPENSSL_NO_NEXTPROTONEG 898 /* This is the context that we pass to next_proto_cb */ 899 typedef struct tlsextnextprotoctx_st { 900 unsigned char *data; 901 unsigned int len; 902 } tlsextnextprotoctx; 903 904 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg) 905 { 906 tlsextnextprotoctx *next_proto = arg; 907 908 *data = next_proto->data; 909 *len = next_proto->len; 910 911 return SSL_TLSEXT_ERR_OK; 912 } 913 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 914 915 916 #endif 917 918 int MAIN(int, char **); 919 920 #ifndef OPENSSL_NO_JPAKE 921 static char *jpake_secret = NULL; 922 #endif 923 #ifndef OPENSSL_NO_SRP 924 static srpsrvparm srp_callback_parm; 925 #endif 926 static char *srtp_profiles = NULL; 927 928 int MAIN(int argc, char *argv[]) 929 { 930 X509_VERIFY_PARAM *vpm = NULL; 931 int badarg = 0; 932 short port=PORT; 933 char *CApath=NULL,*CAfile=NULL; 934 unsigned char *context = NULL; 935 char *dhfile = NULL; 936 #ifndef OPENSSL_NO_ECDH 937 char *named_curve = NULL; 938 #endif 939 int badop=0,bugs=0; 940 int ret=1; 941 int off=0; 942 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0; 943 int state=0; 944 const SSL_METHOD *meth=NULL; 945 int socket_type=SOCK_STREAM; 946 ENGINE *e=NULL; 947 char *inrand=NULL; 948 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 949 char *passarg = NULL, *pass = NULL; 950 char *dpassarg = NULL, *dpass = NULL; 951 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 952 X509 *s_cert = NULL, *s_dcert = NULL; 953 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 954 int no_cache = 0; 955 #ifndef OPENSSL_NO_TLSEXT 956 EVP_PKEY *s_key2 = NULL; 957 X509 *s_cert2 = NULL; 958 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING}; 959 # ifndef OPENSSL_NO_NEXTPROTONEG 960 const char *next_proto_neg_in = NULL; 961 tlsextnextprotoctx next_proto; 962 # endif 963 #endif 964 #ifndef OPENSSL_NO_PSK 965 /* by default do not send a PSK identity hint */ 966 static char *psk_identity_hint=NULL; 967 #endif 968 #ifndef OPENSSL_NO_SRP 969 char *srpuserseed = NULL; 970 char *srp_verifier_file = NULL; 971 #endif 972 meth=SSLv23_server_method(); 973 974 local_argc=argc; 975 local_argv=argv; 976 977 apps_startup(); 978 #ifdef MONOLITH 979 s_server_init(); 980 #endif 981 982 if (bio_err == NULL) 983 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 984 985 if (!load_config(bio_err, NULL)) 986 goto end; 987 988 verify_depth=0; 989 #ifdef FIONBIO 990 s_nbio=0; 991 #endif 992 s_nbio_test=0; 993 994 argc--; 995 argv++; 996 997 while (argc >= 1) 998 { 999 if ((strcmp(*argv,"-port") == 0) || 1000 (strcmp(*argv,"-accept") == 0)) 1001 { 1002 if (--argc < 1) goto bad; 1003 if (!extract_port(*(++argv),&port)) 1004 goto bad; 1005 } 1006 else if (strcmp(*argv,"-verify") == 0) 1007 { 1008 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE; 1009 if (--argc < 1) goto bad; 1010 verify_depth=atoi(*(++argv)); 1011 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 1012 } 1013 else if (strcmp(*argv,"-Verify") == 0) 1014 { 1015 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT| 1016 SSL_VERIFY_CLIENT_ONCE; 1017 if (--argc < 1) goto bad; 1018 verify_depth=atoi(*(++argv)); 1019 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth); 1020 } 1021 else if (strcmp(*argv,"-context") == 0) 1022 { 1023 if (--argc < 1) goto bad; 1024 context= (unsigned char *)*(++argv); 1025 } 1026 else if (strcmp(*argv,"-cert") == 0) 1027 { 1028 if (--argc < 1) goto bad; 1029 s_cert_file= *(++argv); 1030 } 1031 else if (strcmp(*argv,"-certform") == 0) 1032 { 1033 if (--argc < 1) goto bad; 1034 s_cert_format = str2fmt(*(++argv)); 1035 } 1036 else if (strcmp(*argv,"-key") == 0) 1037 { 1038 if (--argc < 1) goto bad; 1039 s_key_file= *(++argv); 1040 } 1041 else if (strcmp(*argv,"-keyform") == 0) 1042 { 1043 if (--argc < 1) goto bad; 1044 s_key_format = str2fmt(*(++argv)); 1045 } 1046 else if (strcmp(*argv,"-pass") == 0) 1047 { 1048 if (--argc < 1) goto bad; 1049 passarg = *(++argv); 1050 } 1051 else if (strcmp(*argv,"-dhparam") == 0) 1052 { 1053 if (--argc < 1) goto bad; 1054 dhfile = *(++argv); 1055 } 1056 #ifndef OPENSSL_NO_ECDH 1057 else if (strcmp(*argv,"-named_curve") == 0) 1058 { 1059 if (--argc < 1) goto bad; 1060 named_curve = *(++argv); 1061 } 1062 #endif 1063 else if (strcmp(*argv,"-dcertform") == 0) 1064 { 1065 if (--argc < 1) goto bad; 1066 s_dcert_format = str2fmt(*(++argv)); 1067 } 1068 else if (strcmp(*argv,"-dcert") == 0) 1069 { 1070 if (--argc < 1) goto bad; 1071 s_dcert_file= *(++argv); 1072 } 1073 else if (strcmp(*argv,"-dkeyform") == 0) 1074 { 1075 if (--argc < 1) goto bad; 1076 s_dkey_format = str2fmt(*(++argv)); 1077 } 1078 else if (strcmp(*argv,"-dpass") == 0) 1079 { 1080 if (--argc < 1) goto bad; 1081 dpassarg = *(++argv); 1082 } 1083 else if (strcmp(*argv,"-dkey") == 0) 1084 { 1085 if (--argc < 1) goto bad; 1086 s_dkey_file= *(++argv); 1087 } 1088 else if (strcmp(*argv,"-nocert") == 0) 1089 { 1090 nocert=1; 1091 } 1092 else if (strcmp(*argv,"-CApath") == 0) 1093 { 1094 if (--argc < 1) goto bad; 1095 CApath= *(++argv); 1096 } 1097 else if (strcmp(*argv,"-no_cache") == 0) 1098 no_cache = 1; 1099 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 1100 { 1101 if (badarg) 1102 goto bad; 1103 continue; 1104 } 1105 else if (strcmp(*argv,"-verify_return_error") == 0) 1106 verify_return_error = 1; 1107 else if (strcmp(*argv,"-serverpref") == 0) 1108 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; } 1109 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 1110 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 1111 else if (strcmp(*argv,"-cipher") == 0) 1112 { 1113 if (--argc < 1) goto bad; 1114 cipher= *(++argv); 1115 } 1116 else if (strcmp(*argv,"-CAfile") == 0) 1117 { 1118 if (--argc < 1) goto bad; 1119 CAfile= *(++argv); 1120 } 1121 #ifdef FIONBIO 1122 else if (strcmp(*argv,"-nbio") == 0) 1123 { s_nbio=1; } 1124 #endif 1125 else if (strcmp(*argv,"-nbio_test") == 0) 1126 { 1127 #ifdef FIONBIO 1128 s_nbio=1; 1129 #endif 1130 s_nbio_test=1; 1131 } 1132 else if (strcmp(*argv,"-debug") == 0) 1133 { s_debug=1; } 1134 #ifndef OPENSSL_NO_TLSEXT 1135 else if (strcmp(*argv,"-tlsextdebug") == 0) 1136 s_tlsextdebug=1; 1137 else if (strcmp(*argv,"-status") == 0) 1138 s_tlsextstatus=1; 1139 else if (strcmp(*argv,"-status_verbose") == 0) 1140 { 1141 s_tlsextstatus=1; 1142 tlscstatp.verbose = 1; 1143 } 1144 else if (!strcmp(*argv, "-status_timeout")) 1145 { 1146 s_tlsextstatus=1; 1147 if (--argc < 1) goto bad; 1148 tlscstatp.timeout = atoi(*(++argv)); 1149 } 1150 else if (!strcmp(*argv, "-status_url")) 1151 { 1152 s_tlsextstatus=1; 1153 if (--argc < 1) goto bad; 1154 if (!OCSP_parse_url(*(++argv), 1155 &tlscstatp.host, 1156 &tlscstatp.port, 1157 &tlscstatp.path, 1158 &tlscstatp.use_ssl)) 1159 { 1160 BIO_printf(bio_err, "Error parsing URL\n"); 1161 goto bad; 1162 } 1163 } 1164 #endif 1165 else if (strcmp(*argv,"-msg") == 0) 1166 { s_msg=1; } 1167 else if (strcmp(*argv,"-hack") == 0) 1168 { hack=1; } 1169 else if (strcmp(*argv,"-state") == 0) 1170 { state=1; } 1171 else if (strcmp(*argv,"-crlf") == 0) 1172 { s_crlf=1; } 1173 else if (strcmp(*argv,"-quiet") == 0) 1174 { s_quiet=1; } 1175 else if (strcmp(*argv,"-bugs") == 0) 1176 { bugs=1; } 1177 else if (strcmp(*argv,"-no_tmp_rsa") == 0) 1178 { no_tmp_rsa=1; } 1179 else if (strcmp(*argv,"-no_dhe") == 0) 1180 { no_dhe=1; } 1181 else if (strcmp(*argv,"-no_ecdhe") == 0) 1182 { no_ecdhe=1; } 1183 #ifndef OPENSSL_NO_PSK 1184 else if (strcmp(*argv,"-psk_hint") == 0) 1185 { 1186 if (--argc < 1) goto bad; 1187 psk_identity_hint= *(++argv); 1188 } 1189 else if (strcmp(*argv,"-psk") == 0) 1190 { 1191 size_t i; 1192 1193 if (--argc < 1) goto bad; 1194 psk_key=*(++argv); 1195 for (i=0; i<strlen(psk_key); i++) 1196 { 1197 if (isxdigit((unsigned char)psk_key[i])) 1198 continue; 1199 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 1200 goto bad; 1201 } 1202 } 1203 #endif 1204 #ifndef OPENSSL_NO_SRP 1205 else if (strcmp(*argv, "-srpvfile") == 0) 1206 { 1207 if (--argc < 1) goto bad; 1208 srp_verifier_file = *(++argv); 1209 meth=TLSv1_server_method(); 1210 } 1211 else if (strcmp(*argv, "-srpuserseed") == 0) 1212 { 1213 if (--argc < 1) goto bad; 1214 srpuserseed = *(++argv); 1215 meth=TLSv1_server_method(); 1216 } 1217 #endif 1218 else if (strcmp(*argv,"-www") == 0) 1219 { www=1; } 1220 else if (strcmp(*argv,"-WWW") == 0) 1221 { www=2; } 1222 else if (strcmp(*argv,"-HTTP") == 0) 1223 { www=3; } 1224 else if (strcmp(*argv,"-no_ssl2") == 0) 1225 { off|=SSL_OP_NO_SSLv2; } 1226 else if (strcmp(*argv,"-no_ssl3") == 0) 1227 { off|=SSL_OP_NO_SSLv3; } 1228 else if (strcmp(*argv,"-no_tls1") == 0) 1229 { off|=SSL_OP_NO_TLSv1; } 1230 else if (strcmp(*argv,"-no_tls1_1") == 0) 1231 { off|=SSL_OP_NO_TLSv1_1; } 1232 else if (strcmp(*argv,"-no_tls1_2") == 0) 1233 { off|=SSL_OP_NO_TLSv1_2; } 1234 else if (strcmp(*argv,"-no_comp") == 0) 1235 { off|=SSL_OP_NO_COMPRESSION; } 1236 #ifndef OPENSSL_NO_TLSEXT 1237 else if (strcmp(*argv,"-no_ticket") == 0) 1238 { off|=SSL_OP_NO_TICKET; } 1239 #endif 1240 #ifndef OPENSSL_NO_SSL2 1241 else if (strcmp(*argv,"-ssl2") == 0) 1242 { meth=SSLv2_server_method(); } 1243 #endif 1244 #ifndef OPENSSL_NO_SSL3 1245 else if (strcmp(*argv,"-ssl3") == 0) 1246 { meth=SSLv3_server_method(); } 1247 #endif 1248 #ifndef OPENSSL_NO_TLS1 1249 else if (strcmp(*argv,"-tls1") == 0) 1250 { meth=TLSv1_server_method(); } 1251 else if (strcmp(*argv,"-tls1_1") == 0) 1252 { meth=TLSv1_1_server_method(); } 1253 else if (strcmp(*argv,"-tls1_2") == 0) 1254 { meth=TLSv1_2_server_method(); } 1255 #endif 1256 #ifndef OPENSSL_NO_DTLS1 1257 else if (strcmp(*argv,"-dtls1") == 0) 1258 { 1259 meth=DTLSv1_server_method(); 1260 socket_type = SOCK_DGRAM; 1261 } 1262 else if (strcmp(*argv,"-timeout") == 0) 1263 enable_timeouts = 1; 1264 else if (strcmp(*argv,"-mtu") == 0) 1265 { 1266 if (--argc < 1) goto bad; 1267 socket_mtu = atol(*(++argv)); 1268 } 1269 else if (strcmp(*argv, "-chain") == 0) 1270 cert_chain = 1; 1271 #endif 1272 else if (strcmp(*argv, "-id_prefix") == 0) 1273 { 1274 if (--argc < 1) goto bad; 1275 session_id_prefix = *(++argv); 1276 } 1277 #ifndef OPENSSL_NO_ENGINE 1278 else if (strcmp(*argv,"-engine") == 0) 1279 { 1280 if (--argc < 1) goto bad; 1281 engine_id= *(++argv); 1282 } 1283 #endif 1284 else if (strcmp(*argv,"-rand") == 0) 1285 { 1286 if (--argc < 1) goto bad; 1287 inrand= *(++argv); 1288 } 1289 #ifndef OPENSSL_NO_TLSEXT 1290 else if (strcmp(*argv,"-servername") == 0) 1291 { 1292 if (--argc < 1) goto bad; 1293 tlsextcbp.servername= *(++argv); 1294 } 1295 else if (strcmp(*argv,"-servername_fatal") == 0) 1296 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; } 1297 else if (strcmp(*argv,"-cert2") == 0) 1298 { 1299 if (--argc < 1) goto bad; 1300 s_cert_file2= *(++argv); 1301 } 1302 else if (strcmp(*argv,"-key2") == 0) 1303 { 1304 if (--argc < 1) goto bad; 1305 s_key_file2= *(++argv); 1306 } 1307 # ifndef OPENSSL_NO_NEXTPROTONEG 1308 else if (strcmp(*argv,"-nextprotoneg") == 0) 1309 { 1310 if (--argc < 1) goto bad; 1311 next_proto_neg_in = *(++argv); 1312 } 1313 # endif 1314 #endif 1315 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1316 else if (strcmp(*argv,"-jpake") == 0) 1317 { 1318 if (--argc < 1) goto bad; 1319 jpake_secret = *(++argv); 1320 } 1321 #endif 1322 else if (strcmp(*argv,"-use_srtp") == 0) 1323 { 1324 if (--argc < 1) goto bad; 1325 srtp_profiles = *(++argv); 1326 } 1327 else if (strcmp(*argv,"-keymatexport") == 0) 1328 { 1329 if (--argc < 1) goto bad; 1330 keymatexportlabel= *(++argv); 1331 } 1332 else if (strcmp(*argv,"-keymatexportlen") == 0) 1333 { 1334 if (--argc < 1) goto bad; 1335 keymatexportlen=atoi(*(++argv)); 1336 if (keymatexportlen == 0) goto bad; 1337 } 1338 else 1339 { 1340 BIO_printf(bio_err,"unknown option %s\n",*argv); 1341 badop=1; 1342 break; 1343 } 1344 argc--; 1345 argv++; 1346 } 1347 if (badop) 1348 { 1349 bad: 1350 sv_usage(); 1351 goto end; 1352 } 1353 1354 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1355 if (jpake_secret) 1356 { 1357 if (psk_key) 1358 { 1359 BIO_printf(bio_err, 1360 "Can't use JPAKE and PSK together\n"); 1361 goto end; 1362 } 1363 psk_identity = "JPAKE"; 1364 if (cipher) 1365 { 1366 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1367 goto end; 1368 } 1369 cipher = "PSK"; 1370 } 1371 1372 #endif 1373 1374 SSL_load_error_strings(); 1375 OpenSSL_add_ssl_algorithms(); 1376 1377 #ifndef OPENSSL_NO_ENGINE 1378 e = setup_engine(bio_err, engine_id, 1); 1379 #endif 1380 1381 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) 1382 { 1383 BIO_printf(bio_err, "Error getting password\n"); 1384 goto end; 1385 } 1386 1387 1388 if (s_key_file == NULL) 1389 s_key_file = s_cert_file; 1390 #ifndef OPENSSL_NO_TLSEXT 1391 if (s_key_file2 == NULL) 1392 s_key_file2 = s_cert_file2; 1393 #endif 1394 1395 if (nocert == 0) 1396 { 1397 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1398 "server certificate private key file"); 1399 if (!s_key) 1400 { 1401 ERR_print_errors(bio_err); 1402 goto end; 1403 } 1404 1405 s_cert = load_cert(bio_err,s_cert_file,s_cert_format, 1406 NULL, e, "server certificate file"); 1407 1408 if (!s_cert) 1409 { 1410 ERR_print_errors(bio_err); 1411 goto end; 1412 } 1413 1414 #ifndef OPENSSL_NO_TLSEXT 1415 if (tlsextcbp.servername) 1416 { 1417 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1418 "second server certificate private key file"); 1419 if (!s_key2) 1420 { 1421 ERR_print_errors(bio_err); 1422 goto end; 1423 } 1424 1425 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format, 1426 NULL, e, "second server certificate file"); 1427 1428 if (!s_cert2) 1429 { 1430 ERR_print_errors(bio_err); 1431 goto end; 1432 } 1433 } 1434 1435 # ifndef OPENSSL_NO_NEXTPROTONEG 1436 if (next_proto_neg_in) 1437 { 1438 unsigned short len; 1439 next_proto.data = next_protos_parse(&len, 1440 next_proto_neg_in); 1441 if (next_proto.data == NULL) 1442 goto end; 1443 next_proto.len = len; 1444 } 1445 else 1446 { 1447 next_proto.data = NULL; 1448 } 1449 # endif 1450 #endif 1451 } 1452 1453 1454 if (s_dcert_file) 1455 { 1456 1457 if (s_dkey_file == NULL) 1458 s_dkey_file = s_dcert_file; 1459 1460 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1461 0, dpass, e, 1462 "second certificate private key file"); 1463 if (!s_dkey) 1464 { 1465 ERR_print_errors(bio_err); 1466 goto end; 1467 } 1468 1469 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format, 1470 NULL, e, "second server certificate file"); 1471 1472 if (!s_dcert) 1473 { 1474 ERR_print_errors(bio_err); 1475 goto end; 1476 } 1477 1478 } 1479 1480 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1481 && !RAND_status()) 1482 { 1483 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1484 } 1485 if (inrand != NULL) 1486 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1487 app_RAND_load_files(inrand)); 1488 1489 if (bio_s_out == NULL) 1490 { 1491 if (s_quiet && !s_debug && !s_msg) 1492 { 1493 bio_s_out=BIO_new(BIO_s_null()); 1494 } 1495 else 1496 { 1497 if (bio_s_out == NULL) 1498 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1499 } 1500 } 1501 1502 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1503 if (nocert) 1504 #endif 1505 { 1506 s_cert_file=NULL; 1507 s_key_file=NULL; 1508 s_dcert_file=NULL; 1509 s_dkey_file=NULL; 1510 #ifndef OPENSSL_NO_TLSEXT 1511 s_cert_file2=NULL; 1512 s_key_file2=NULL; 1513 #endif 1514 } 1515 1516 ctx=SSL_CTX_new(meth); 1517 if (ctx == NULL) 1518 { 1519 ERR_print_errors(bio_err); 1520 goto end; 1521 } 1522 if (session_id_prefix) 1523 { 1524 if(strlen(session_id_prefix) >= 32) 1525 BIO_printf(bio_err, 1526 "warning: id_prefix is too long, only one new session will be possible\n"); 1527 else if(strlen(session_id_prefix) >= 16) 1528 BIO_printf(bio_err, 1529 "warning: id_prefix is too long if you use SSLv2\n"); 1530 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) 1531 { 1532 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1533 ERR_print_errors(bio_err); 1534 goto end; 1535 } 1536 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1537 } 1538 SSL_CTX_set_quiet_shutdown(ctx,1); 1539 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL); 1540 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1541 SSL_CTX_set_options(ctx,off); 1542 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1543 * Setting read ahead solves this problem. 1544 */ 1545 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1546 1547 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1548 if (no_cache) 1549 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1550 else 1551 SSL_CTX_sess_set_cache_size(ctx,128); 1552 1553 if (srtp_profiles != NULL) 1554 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1555 1556 #if 0 1557 if (cipher == NULL) cipher=getenv("SSL_CIPHER"); 1558 #endif 1559 1560 #if 0 1561 if (s_cert_file == NULL) 1562 { 1563 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n"); 1564 goto end; 1565 } 1566 #endif 1567 1568 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1569 (!SSL_CTX_set_default_verify_paths(ctx))) 1570 { 1571 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1572 ERR_print_errors(bio_err); 1573 /* goto end; */ 1574 } 1575 if (vpm) 1576 SSL_CTX_set1_param(ctx, vpm); 1577 1578 #ifndef OPENSSL_NO_TLSEXT 1579 if (s_cert2) 1580 { 1581 ctx2=SSL_CTX_new(meth); 1582 if (ctx2 == NULL) 1583 { 1584 ERR_print_errors(bio_err); 1585 goto end; 1586 } 1587 } 1588 1589 if (ctx2) 1590 { 1591 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n"); 1592 1593 if (session_id_prefix) 1594 { 1595 if(strlen(session_id_prefix) >= 32) 1596 BIO_printf(bio_err, 1597 "warning: id_prefix is too long, only one new session will be possible\n"); 1598 else if(strlen(session_id_prefix) >= 16) 1599 BIO_printf(bio_err, 1600 "warning: id_prefix is too long if you use SSLv2\n"); 1601 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) 1602 { 1603 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1604 ERR_print_errors(bio_err); 1605 goto end; 1606 } 1607 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1608 } 1609 SSL_CTX_set_quiet_shutdown(ctx2,1); 1610 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL); 1611 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1612 SSL_CTX_set_options(ctx2,off); 1613 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1614 * Setting read ahead solves this problem. 1615 */ 1616 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1); 1617 1618 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback); 1619 1620 if (no_cache) 1621 SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF); 1622 else 1623 SSL_CTX_sess_set_cache_size(ctx2,128); 1624 1625 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) || 1626 (!SSL_CTX_set_default_verify_paths(ctx2))) 1627 { 1628 ERR_print_errors(bio_err); 1629 } 1630 if (vpm) 1631 SSL_CTX_set1_param(ctx2, vpm); 1632 } 1633 1634 # ifndef OPENSSL_NO_NEXTPROTONEG 1635 if (next_proto.data) 1636 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto); 1637 # endif 1638 #endif 1639 1640 #ifndef OPENSSL_NO_DH 1641 if (!no_dhe) 1642 { 1643 DH *dh=NULL; 1644 1645 if (dhfile) 1646 dh = load_dh_param(dhfile); 1647 else if (s_cert_file) 1648 dh = load_dh_param(s_cert_file); 1649 1650 if (dh != NULL) 1651 { 1652 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1653 } 1654 else 1655 { 1656 BIO_printf(bio_s_out,"Using default temp DH parameters\n"); 1657 dh=get_dh512(); 1658 } 1659 (void)BIO_flush(bio_s_out); 1660 1661 SSL_CTX_set_tmp_dh(ctx,dh); 1662 #ifndef OPENSSL_NO_TLSEXT 1663 if (ctx2) 1664 { 1665 if (!dhfile) 1666 { 1667 DH *dh2=load_dh_param(s_cert_file2); 1668 if (dh2 != NULL) 1669 { 1670 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1671 (void)BIO_flush(bio_s_out); 1672 1673 DH_free(dh); 1674 dh = dh2; 1675 } 1676 } 1677 SSL_CTX_set_tmp_dh(ctx2,dh); 1678 } 1679 #endif 1680 DH_free(dh); 1681 } 1682 #endif 1683 1684 #ifndef OPENSSL_NO_ECDH 1685 if (!no_ecdhe) 1686 { 1687 EC_KEY *ecdh=NULL; 1688 1689 if (named_curve) 1690 { 1691 int nid = OBJ_sn2nid(named_curve); 1692 1693 if (nid == 0) 1694 { 1695 BIO_printf(bio_err, "unknown curve name (%s)\n", 1696 named_curve); 1697 goto end; 1698 } 1699 ecdh = EC_KEY_new_by_curve_name(nid); 1700 if (ecdh == NULL) 1701 { 1702 BIO_printf(bio_err, "unable to create curve (%s)\n", 1703 named_curve); 1704 goto end; 1705 } 1706 } 1707 1708 if (ecdh != NULL) 1709 { 1710 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n"); 1711 } 1712 else 1713 { 1714 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n"); 1715 ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); 1716 if (ecdh == NULL) 1717 { 1718 BIO_printf(bio_err, "unable to create curve (nistp256)\n"); 1719 goto end; 1720 } 1721 } 1722 (void)BIO_flush(bio_s_out); 1723 1724 SSL_CTX_set_tmp_ecdh(ctx,ecdh); 1725 #ifndef OPENSSL_NO_TLSEXT 1726 if (ctx2) 1727 SSL_CTX_set_tmp_ecdh(ctx2,ecdh); 1728 #endif 1729 EC_KEY_free(ecdh); 1730 } 1731 #endif 1732 1733 if (!set_cert_key_stuff(ctx,s_cert,s_key)) 1734 goto end; 1735 #ifndef OPENSSL_NO_TLSEXT 1736 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2)) 1737 goto end; 1738 #endif 1739 if (s_dcert != NULL) 1740 { 1741 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey)) 1742 goto end; 1743 } 1744 1745 #ifndef OPENSSL_NO_RSA 1746 #if 1 1747 if (!no_tmp_rsa) 1748 { 1749 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb); 1750 #ifndef OPENSSL_NO_TLSEXT 1751 if (ctx2) 1752 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb); 1753 #endif 1754 } 1755 #else 1756 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) 1757 { 1758 RSA *rsa; 1759 1760 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key..."); 1761 BIO_flush(bio_s_out); 1762 1763 rsa=RSA_generate_key(512,RSA_F4,NULL); 1764 1765 if (!SSL_CTX_set_tmp_rsa(ctx,rsa)) 1766 { 1767 ERR_print_errors(bio_err); 1768 goto end; 1769 } 1770 #ifndef OPENSSL_NO_TLSEXT 1771 if (ctx2) 1772 { 1773 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa)) 1774 { 1775 ERR_print_errors(bio_err); 1776 goto end; 1777 } 1778 } 1779 #endif 1780 RSA_free(rsa); 1781 BIO_printf(bio_s_out,"\n"); 1782 } 1783 #endif 1784 #endif 1785 1786 #ifndef OPENSSL_NO_PSK 1787 #ifdef OPENSSL_NO_JPAKE 1788 if (psk_key != NULL) 1789 #else 1790 if (psk_key != NULL || jpake_secret) 1791 #endif 1792 { 1793 if (s_debug) 1794 BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n"); 1795 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 1796 } 1797 1798 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) 1799 { 1800 BIO_printf(bio_err,"error setting PSK identity hint to context\n"); 1801 ERR_print_errors(bio_err); 1802 goto end; 1803 } 1804 #endif 1805 1806 if (cipher != NULL) 1807 { 1808 if(!SSL_CTX_set_cipher_list(ctx,cipher)) 1809 { 1810 BIO_printf(bio_err,"error setting cipher list\n"); 1811 ERR_print_errors(bio_err); 1812 goto end; 1813 } 1814 #ifndef OPENSSL_NO_TLSEXT 1815 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher)) 1816 { 1817 BIO_printf(bio_err,"error setting cipher list\n"); 1818 ERR_print_errors(bio_err); 1819 goto end; 1820 } 1821 #endif 1822 } 1823 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback); 1824 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context, 1825 sizeof s_server_session_id_context); 1826 1827 /* Set DTLS cookie generation and verification callbacks */ 1828 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 1829 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 1830 1831 #ifndef OPENSSL_NO_TLSEXT 1832 if (ctx2) 1833 { 1834 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback); 1835 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context, 1836 sizeof s_server_session_id_context); 1837 1838 tlsextcbp.biodebug = bio_s_out; 1839 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 1840 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 1841 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1842 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1843 } 1844 #endif 1845 1846 #ifndef OPENSSL_NO_SRP 1847 if (srp_verifier_file != NULL) 1848 { 1849 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 1850 srp_callback_parm.user = NULL; 1851 srp_callback_parm.login = NULL; 1852 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR) 1853 { 1854 BIO_printf(bio_err, 1855 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 1856 srp_verifier_file, ret); 1857 goto end; 1858 } 1859 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback); 1860 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 1861 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 1862 } 1863 else 1864 #endif 1865 if (CAfile != NULL) 1866 { 1867 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile)); 1868 #ifndef OPENSSL_NO_TLSEXT 1869 if (ctx2) 1870 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile)); 1871 #endif 1872 } 1873 1874 BIO_printf(bio_s_out,"ACCEPT\n"); 1875 (void)BIO_flush(bio_s_out); 1876 if (www) 1877 do_server(port,socket_type,&accept_socket,www_body, context); 1878 else 1879 do_server(port,socket_type,&accept_socket,sv_body, context); 1880 print_stats(bio_s_out,ctx); 1881 ret=0; 1882 end: 1883 if (ctx != NULL) SSL_CTX_free(ctx); 1884 if (s_cert) 1885 X509_free(s_cert); 1886 if (s_dcert) 1887 X509_free(s_dcert); 1888 if (s_key) 1889 EVP_PKEY_free(s_key); 1890 if (s_dkey) 1891 EVP_PKEY_free(s_dkey); 1892 if (pass) 1893 OPENSSL_free(pass); 1894 if (dpass) 1895 OPENSSL_free(dpass); 1896 #ifndef OPENSSL_NO_TLSEXT 1897 if (ctx2 != NULL) SSL_CTX_free(ctx2); 1898 if (s_cert2) 1899 X509_free(s_cert2); 1900 if (s_key2) 1901 EVP_PKEY_free(s_key2); 1902 #endif 1903 if (bio_s_out != NULL) 1904 { 1905 BIO_free(bio_s_out); 1906 bio_s_out=NULL; 1907 } 1908 apps_shutdown(); 1909 OPENSSL_EXIT(ret); 1910 } 1911 1912 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 1913 { 1914 BIO_printf(bio,"%4ld items in the session cache\n", 1915 SSL_CTX_sess_number(ssl_ctx)); 1916 BIO_printf(bio,"%4ld client connects (SSL_connect())\n", 1917 SSL_CTX_sess_connect(ssl_ctx)); 1918 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n", 1919 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 1920 BIO_printf(bio,"%4ld client connects that finished\n", 1921 SSL_CTX_sess_connect_good(ssl_ctx)); 1922 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n", 1923 SSL_CTX_sess_accept(ssl_ctx)); 1924 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n", 1925 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 1926 BIO_printf(bio,"%4ld server accepts that finished\n", 1927 SSL_CTX_sess_accept_good(ssl_ctx)); 1928 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx)); 1929 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx)); 1930 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx)); 1931 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx)); 1932 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n", 1933 SSL_CTX_sess_cache_full(ssl_ctx), 1934 SSL_CTX_sess_get_cache_size(ssl_ctx)); 1935 } 1936 1937 static int sv_body(char *hostname, int s, unsigned char *context) 1938 { 1939 char *buf=NULL; 1940 fd_set readfds; 1941 int ret=1,width; 1942 int k,i; 1943 unsigned long l; 1944 SSL *con=NULL; 1945 BIO *sbio; 1946 #ifndef OPENSSL_NO_KRB5 1947 KSSL_CTX *kctx; 1948 #endif 1949 struct timeval timeout; 1950 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1951 struct timeval tv; 1952 #else 1953 struct timeval *timeoutp; 1954 #endif 1955 1956 if ((buf=OPENSSL_malloc(bufsize)) == NULL) 1957 { 1958 BIO_printf(bio_err,"out of memory\n"); 1959 goto err; 1960 } 1961 #ifdef FIONBIO 1962 if (s_nbio) 1963 { 1964 unsigned long sl=1; 1965 1966 if (!s_quiet) 1967 BIO_printf(bio_err,"turning on non blocking io\n"); 1968 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 1969 ERR_print_errors(bio_err); 1970 } 1971 #endif 1972 1973 if (con == NULL) { 1974 con=SSL_new(ctx); 1975 #ifndef OPENSSL_NO_TLSEXT 1976 if (s_tlsextdebug) 1977 { 1978 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1979 SSL_set_tlsext_debug_arg(con, bio_s_out); 1980 } 1981 if (s_tlsextstatus) 1982 { 1983 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 1984 tlscstatp.err = bio_err; 1985 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 1986 } 1987 #endif 1988 #ifndef OPENSSL_NO_KRB5 1989 if ((kctx = kssl_ctx_new()) != NULL) 1990 { 1991 SSL_set0_kssl_ctx(con, kctx); 1992 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 1993 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 1994 } 1995 #endif /* OPENSSL_NO_KRB5 */ 1996 if(context) 1997 SSL_set_session_id_context(con, context, 1998 strlen((char *)context)); 1999 } 2000 SSL_clear(con); 2001 #if 0 2002 #ifdef TLSEXT_TYPE_opaque_prf_input 2003 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 2004 #endif 2005 #endif 2006 2007 if (SSL_version(con) == DTLS1_VERSION) 2008 { 2009 2010 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 2011 2012 if (enable_timeouts) 2013 { 2014 timeout.tv_sec = 0; 2015 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2016 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2017 2018 timeout.tv_sec = 0; 2019 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2020 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2021 } 2022 2023 if (socket_mtu > 28) 2024 { 2025 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2026 SSL_set_mtu(con, socket_mtu - 28); 2027 } 2028 else 2029 /* want to do MTU discovery */ 2030 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2031 2032 /* turn on cookie exchange */ 2033 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2034 } 2035 else 2036 sbio=BIO_new_socket(s,BIO_NOCLOSE); 2037 2038 if (s_nbio_test) 2039 { 2040 BIO *test; 2041 2042 test=BIO_new(BIO_f_nbio_test()); 2043 sbio=BIO_push(test,sbio); 2044 } 2045 #ifndef OPENSSL_NO_JPAKE 2046 if(jpake_secret) 2047 jpake_server_auth(bio_s_out, sbio, jpake_secret); 2048 #endif 2049 2050 SSL_set_bio(con,sbio,sbio); 2051 SSL_set_accept_state(con); 2052 /* SSL_set_fd(con,s); */ 2053 2054 if (s_debug) 2055 { 2056 SSL_set_debug(con, 1); 2057 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 2058 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 2059 } 2060 if (s_msg) 2061 { 2062 SSL_set_msg_callback(con, msg_cb); 2063 SSL_set_msg_callback_arg(con, bio_s_out); 2064 } 2065 #ifndef OPENSSL_NO_TLSEXT 2066 if (s_tlsextdebug) 2067 { 2068 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2069 SSL_set_tlsext_debug_arg(con, bio_s_out); 2070 } 2071 #endif 2072 2073 width=s+1; 2074 for (;;) 2075 { 2076 int read_from_terminal; 2077 int read_from_sslcon; 2078 2079 read_from_terminal = 0; 2080 read_from_sslcon = SSL_pending(con); 2081 2082 if (!read_from_sslcon) 2083 { 2084 FD_ZERO(&readfds); 2085 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 2086 openssl_fdset(fileno(stdin),&readfds); 2087 #endif 2088 openssl_fdset(s,&readfds); 2089 /* Note: under VMS with SOCKETSHR the second parameter is 2090 * currently of type (int *) whereas under other systems 2091 * it is (void *) if you don't have a cast it will choke 2092 * the compiler: if you do have a cast then you can either 2093 * go for (int *) or (void *). 2094 */ 2095 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 2096 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only 2097 * on sockets. As a workaround we timeout the select every 2098 * second and check for any keypress. In a proper Windows 2099 * application we wouldn't do this because it is inefficient. 2100 */ 2101 tv.tv_sec = 1; 2102 tv.tv_usec = 0; 2103 i=select(width,(void *)&readfds,NULL,NULL,&tv); 2104 if((i < 0) || (!i && !_kbhit() ) )continue; 2105 if(_kbhit()) 2106 read_from_terminal = 1; 2107 #elif defined(OPENSSL_SYS_BEOS_R5) 2108 /* Under BeOS-R5 the situation is similar to DOS */ 2109 tv.tv_sec = 1; 2110 tv.tv_usec = 0; 2111 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 2112 i=select(width,(void *)&readfds,NULL,NULL,&tv); 2113 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0)) 2114 continue; 2115 if (read(fileno(stdin), buf, 0) >= 0) 2116 read_from_terminal = 1; 2117 (void)fcntl(fileno(stdin), F_SETFL, 0); 2118 #else 2119 if ((SSL_version(con) == DTLS1_VERSION) && 2120 DTLSv1_get_timeout(con, &timeout)) 2121 timeoutp = &timeout; 2122 else 2123 timeoutp = NULL; 2124 2125 i=select(width,(void *)&readfds,NULL,NULL,timeoutp); 2126 2127 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 2128 { 2129 BIO_printf(bio_err,"TIMEOUT occured\n"); 2130 } 2131 2132 if (i <= 0) continue; 2133 if (FD_ISSET(fileno(stdin),&readfds)) 2134 read_from_terminal = 1; 2135 #endif 2136 if (FD_ISSET(s,&readfds)) 2137 read_from_sslcon = 1; 2138 } 2139 if (read_from_terminal) 2140 { 2141 if (s_crlf) 2142 { 2143 int j, lf_num; 2144 2145 i=raw_read_stdin(buf, bufsize/2); 2146 lf_num = 0; 2147 /* both loops are skipped when i <= 0 */ 2148 for (j = 0; j < i; j++) 2149 if (buf[j] == '\n') 2150 lf_num++; 2151 for (j = i-1; j >= 0; j--) 2152 { 2153 buf[j+lf_num] = buf[j]; 2154 if (buf[j] == '\n') 2155 { 2156 lf_num--; 2157 i++; 2158 buf[j+lf_num] = '\r'; 2159 } 2160 } 2161 assert(lf_num == 0); 2162 } 2163 else 2164 i=raw_read_stdin(buf,bufsize); 2165 if (!s_quiet) 2166 { 2167 if ((i <= 0) || (buf[0] == 'Q')) 2168 { 2169 BIO_printf(bio_s_out,"DONE\n"); 2170 SHUTDOWN(s); 2171 close_accept_socket(); 2172 ret= -11; 2173 goto err; 2174 } 2175 if ((i <= 0) || (buf[0] == 'q')) 2176 { 2177 BIO_printf(bio_s_out,"DONE\n"); 2178 if (SSL_version(con) != DTLS1_VERSION) 2179 SHUTDOWN(s); 2180 /* close_accept_socket(); 2181 ret= -11;*/ 2182 goto err; 2183 } 2184 2185 #ifndef OPENSSL_NO_HEARTBEATS 2186 if ((buf[0] == 'B') && 2187 ((buf[1] == '\n') || (buf[1] == '\r'))) 2188 { 2189 BIO_printf(bio_err,"HEARTBEATING\n"); 2190 SSL_heartbeat(con); 2191 i=0; 2192 continue; 2193 } 2194 #endif 2195 if ((buf[0] == 'r') && 2196 ((buf[1] == '\n') || (buf[1] == '\r'))) 2197 { 2198 SSL_renegotiate(con); 2199 i=SSL_do_handshake(con); 2200 printf("SSL_do_handshake -> %d\n",i); 2201 i=0; /*13; */ 2202 continue; 2203 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */ 2204 } 2205 if ((buf[0] == 'R') && 2206 ((buf[1] == '\n') || (buf[1] == '\r'))) 2207 { 2208 SSL_set_verify(con, 2209 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL); 2210 SSL_renegotiate(con); 2211 i=SSL_do_handshake(con); 2212 printf("SSL_do_handshake -> %d\n",i); 2213 i=0; /* 13; */ 2214 continue; 2215 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */ 2216 } 2217 if (buf[0] == 'P') 2218 { 2219 static const char *str="Lets print some clear text\n"; 2220 BIO_write(SSL_get_wbio(con),str,strlen(str)); 2221 } 2222 if (buf[0] == 'S') 2223 { 2224 print_stats(bio_s_out,SSL_get_SSL_CTX(con)); 2225 } 2226 } 2227 #ifdef CHARSET_EBCDIC 2228 ebcdic2ascii(buf,buf,i); 2229 #endif 2230 l=k=0; 2231 for (;;) 2232 { 2233 /* should do a select for the write */ 2234 #ifdef RENEG 2235 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } } 2236 #endif 2237 k=SSL_write(con,&(buf[l]),(unsigned int)i); 2238 #ifndef OPENSSL_NO_SRP 2239 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP) 2240 { 2241 BIO_printf(bio_s_out,"LOOKUP renego during write\n"); 2242 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 2243 if (srp_callback_parm.user) 2244 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info); 2245 else 2246 BIO_printf(bio_s_out,"LOOKUP not successful\n"); 2247 k=SSL_write(con,&(buf[l]),(unsigned int)i); 2248 } 2249 #endif 2250 switch (SSL_get_error(con,k)) 2251 { 2252 case SSL_ERROR_NONE: 2253 break; 2254 case SSL_ERROR_WANT_WRITE: 2255 case SSL_ERROR_WANT_READ: 2256 case SSL_ERROR_WANT_X509_LOOKUP: 2257 BIO_printf(bio_s_out,"Write BLOCK\n"); 2258 break; 2259 case SSL_ERROR_SYSCALL: 2260 case SSL_ERROR_SSL: 2261 BIO_printf(bio_s_out,"ERROR\n"); 2262 ERR_print_errors(bio_err); 2263 ret=1; 2264 goto err; 2265 /* break; */ 2266 case SSL_ERROR_ZERO_RETURN: 2267 BIO_printf(bio_s_out,"DONE\n"); 2268 ret=1; 2269 goto err; 2270 } 2271 l+=k; 2272 i-=k; 2273 if (i <= 0) break; 2274 } 2275 } 2276 if (read_from_sslcon) 2277 { 2278 if (!SSL_is_init_finished(con)) 2279 { 2280 i=init_ssl_connection(con); 2281 2282 if (i < 0) 2283 { 2284 ret=0; 2285 goto err; 2286 } 2287 else if (i == 0) 2288 { 2289 ret=1; 2290 goto err; 2291 } 2292 } 2293 else 2294 { 2295 again: 2296 i=SSL_read(con,(char *)buf,bufsize); 2297 #ifndef OPENSSL_NO_SRP 2298 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 2299 { 2300 BIO_printf(bio_s_out,"LOOKUP renego during read\n"); 2301 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 2302 if (srp_callback_parm.user) 2303 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info); 2304 else 2305 BIO_printf(bio_s_out,"LOOKUP not successful\n"); 2306 i=SSL_read(con,(char *)buf,bufsize); 2307 } 2308 #endif 2309 switch (SSL_get_error(con,i)) 2310 { 2311 case SSL_ERROR_NONE: 2312 #ifdef CHARSET_EBCDIC 2313 ascii2ebcdic(buf,buf,i); 2314 #endif 2315 raw_write_stdout(buf, 2316 (unsigned int)i); 2317 if (SSL_pending(con)) goto again; 2318 break; 2319 case SSL_ERROR_WANT_WRITE: 2320 case SSL_ERROR_WANT_READ: 2321 BIO_printf(bio_s_out,"Read BLOCK\n"); 2322 break; 2323 case SSL_ERROR_SYSCALL: 2324 case SSL_ERROR_SSL: 2325 BIO_printf(bio_s_out,"ERROR\n"); 2326 ERR_print_errors(bio_err); 2327 ret=1; 2328 goto err; 2329 case SSL_ERROR_ZERO_RETURN: 2330 BIO_printf(bio_s_out,"DONE\n"); 2331 ret=1; 2332 goto err; 2333 } 2334 } 2335 } 2336 } 2337 err: 2338 if (con != NULL) 2339 { 2340 BIO_printf(bio_s_out,"shutting down SSL\n"); 2341 #if 1 2342 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2343 #else 2344 SSL_shutdown(con); 2345 #endif 2346 SSL_free(con); 2347 } 2348 BIO_printf(bio_s_out,"CONNECTION CLOSED\n"); 2349 if (buf != NULL) 2350 { 2351 OPENSSL_cleanse(buf,bufsize); 2352 OPENSSL_free(buf); 2353 } 2354 if (ret >= 0) 2355 BIO_printf(bio_s_out,"ACCEPT\n"); 2356 return(ret); 2357 } 2358 2359 static void close_accept_socket(void) 2360 { 2361 BIO_printf(bio_err,"shutdown accept socket\n"); 2362 if (accept_socket >= 0) 2363 { 2364 SHUTDOWN2(accept_socket); 2365 } 2366 } 2367 2368 static int init_ssl_connection(SSL *con) 2369 { 2370 int i; 2371 const char *str; 2372 X509 *peer; 2373 long verify_error; 2374 MS_STATIC char buf[BUFSIZ]; 2375 #ifndef OPENSSL_NO_KRB5 2376 char *client_princ; 2377 #endif 2378 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2379 const unsigned char *next_proto_neg; 2380 unsigned next_proto_neg_len; 2381 #endif 2382 unsigned char *exportedkeymat; 2383 2384 2385 i=SSL_accept(con); 2386 #ifndef OPENSSL_NO_SRP 2387 while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 2388 { 2389 BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login); 2390 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 2391 if (srp_callback_parm.user) 2392 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info); 2393 else 2394 BIO_printf(bio_s_out,"LOOKUP not successful\n"); 2395 i=SSL_accept(con); 2396 } 2397 #endif 2398 if (i <= 0) 2399 { 2400 if (BIO_sock_should_retry(i)) 2401 { 2402 BIO_printf(bio_s_out,"DELAY\n"); 2403 return(1); 2404 } 2405 2406 BIO_printf(bio_err,"ERROR\n"); 2407 verify_error=SSL_get_verify_result(con); 2408 if (verify_error != X509_V_OK) 2409 { 2410 BIO_printf(bio_err,"verify error:%s\n", 2411 X509_verify_cert_error_string(verify_error)); 2412 } 2413 else 2414 ERR_print_errors(bio_err); 2415 return(0); 2416 } 2417 2418 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con)); 2419 2420 peer=SSL_get_peer_certificate(con); 2421 if (peer != NULL) 2422 { 2423 BIO_printf(bio_s_out,"Client certificate\n"); 2424 PEM_write_bio_X509(bio_s_out,peer); 2425 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf); 2426 BIO_printf(bio_s_out,"subject=%s\n",buf); 2427 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf); 2428 BIO_printf(bio_s_out,"issuer=%s\n",buf); 2429 X509_free(peer); 2430 } 2431 2432 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL) 2433 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf); 2434 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2435 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)"); 2436 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2437 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2438 if (next_proto_neg) 2439 { 2440 BIO_printf(bio_s_out,"NEXTPROTO is "); 2441 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2442 BIO_printf(bio_s_out, "\n"); 2443 } 2444 #endif 2445 { 2446 SRTP_PROTECTION_PROFILE *srtp_profile 2447 = SSL_get_selected_srtp_profile(con); 2448 2449 if(srtp_profile) 2450 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n", 2451 srtp_profile->name); 2452 } 2453 if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n"); 2454 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) & 2455 TLS1_FLAGS_TLS_PADDING_BUG) 2456 BIO_printf(bio_s_out, 2457 "Peer has incorrect TLSv1 block padding\n"); 2458 #ifndef OPENSSL_NO_KRB5 2459 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); 2460 if (client_princ != NULL) 2461 { 2462 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n", 2463 client_princ); 2464 } 2465 #endif /* OPENSSL_NO_KRB5 */ 2466 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2467 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2468 if (keymatexportlabel != NULL) 2469 { 2470 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2471 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2472 BIO_printf(bio_s_out, " Length: %i bytes\n", 2473 keymatexportlen); 2474 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2475 if (exportedkeymat != NULL) 2476 { 2477 if (!SSL_export_keying_material(con, exportedkeymat, 2478 keymatexportlen, 2479 keymatexportlabel, 2480 strlen(keymatexportlabel), 2481 NULL, 0, 0)) 2482 { 2483 BIO_printf(bio_s_out, " Error\n"); 2484 } 2485 else 2486 { 2487 BIO_printf(bio_s_out, " Keying material: "); 2488 for (i=0; i<keymatexportlen; i++) 2489 BIO_printf(bio_s_out, "%02X", 2490 exportedkeymat[i]); 2491 BIO_printf(bio_s_out, "\n"); 2492 } 2493 OPENSSL_free(exportedkeymat); 2494 } 2495 } 2496 2497 return(1); 2498 } 2499 2500 #ifndef OPENSSL_NO_DH 2501 static DH *load_dh_param(const char *dhfile) 2502 { 2503 DH *ret=NULL; 2504 BIO *bio; 2505 2506 if ((bio=BIO_new_file(dhfile,"r")) == NULL) 2507 goto err; 2508 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL); 2509 err: 2510 if (bio != NULL) BIO_free(bio); 2511 return(ret); 2512 } 2513 #endif 2514 #ifndef OPENSSL_NO_KRB5 2515 char *client_princ; 2516 #endif 2517 2518 #if 0 2519 static int load_CA(SSL_CTX *ctx, char *file) 2520 { 2521 FILE *in; 2522 X509 *x=NULL; 2523 2524 if ((in=fopen(file,"r")) == NULL) 2525 return(0); 2526 2527 for (;;) 2528 { 2529 if (PEM_read_X509(in,&x,NULL) == NULL) 2530 break; 2531 SSL_CTX_add_client_CA(ctx,x); 2532 } 2533 if (x != NULL) X509_free(x); 2534 fclose(in); 2535 return(1); 2536 } 2537 #endif 2538 2539 static int www_body(char *hostname, int s, unsigned char *context) 2540 { 2541 char *buf=NULL; 2542 int ret=1; 2543 int i,j,k,dot; 2544 SSL *con; 2545 const SSL_CIPHER *c; 2546 BIO *io,*ssl_bio,*sbio; 2547 #ifndef OPENSSL_NO_KRB5 2548 KSSL_CTX *kctx; 2549 #endif 2550 2551 buf=OPENSSL_malloc(bufsize); 2552 if (buf == NULL) return(0); 2553 io=BIO_new(BIO_f_buffer()); 2554 ssl_bio=BIO_new(BIO_f_ssl()); 2555 if ((io == NULL) || (ssl_bio == NULL)) goto err; 2556 2557 #ifdef FIONBIO 2558 if (s_nbio) 2559 { 2560 unsigned long sl=1; 2561 2562 if (!s_quiet) 2563 BIO_printf(bio_err,"turning on non blocking io\n"); 2564 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 2565 ERR_print_errors(bio_err); 2566 } 2567 #endif 2568 2569 /* lets make the output buffer a reasonable size */ 2570 if (!BIO_set_write_buffer_size(io,bufsize)) goto err; 2571 2572 if ((con=SSL_new(ctx)) == NULL) goto err; 2573 #ifndef OPENSSL_NO_TLSEXT 2574 if (s_tlsextdebug) 2575 { 2576 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2577 SSL_set_tlsext_debug_arg(con, bio_s_out); 2578 } 2579 #endif 2580 #ifndef OPENSSL_NO_KRB5 2581 if ((kctx = kssl_ctx_new()) != NULL) 2582 { 2583 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2584 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2585 } 2586 #endif /* OPENSSL_NO_KRB5 */ 2587 if(context) SSL_set_session_id_context(con, context, 2588 strlen((char *)context)); 2589 2590 sbio=BIO_new_socket(s,BIO_NOCLOSE); 2591 if (s_nbio_test) 2592 { 2593 BIO *test; 2594 2595 test=BIO_new(BIO_f_nbio_test()); 2596 sbio=BIO_push(test,sbio); 2597 } 2598 SSL_set_bio(con,sbio,sbio); 2599 SSL_set_accept_state(con); 2600 2601 /* SSL_set_fd(con,s); */ 2602 BIO_set_ssl(ssl_bio,con,BIO_CLOSE); 2603 BIO_push(io,ssl_bio); 2604 #ifdef CHARSET_EBCDIC 2605 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io); 2606 #endif 2607 2608 if (s_debug) 2609 { 2610 SSL_set_debug(con, 1); 2611 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 2612 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 2613 } 2614 if (s_msg) 2615 { 2616 SSL_set_msg_callback(con, msg_cb); 2617 SSL_set_msg_callback_arg(con, bio_s_out); 2618 } 2619 2620 for (;;) 2621 { 2622 if (hack) 2623 { 2624 i=SSL_accept(con); 2625 #ifndef OPENSSL_NO_SRP 2626 while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 2627 { 2628 BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login); 2629 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 2630 if (srp_callback_parm.user) 2631 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info); 2632 else 2633 BIO_printf(bio_s_out,"LOOKUP not successful\n"); 2634 i=SSL_accept(con); 2635 } 2636 #endif 2637 switch (SSL_get_error(con,i)) 2638 { 2639 case SSL_ERROR_NONE: 2640 break; 2641 case SSL_ERROR_WANT_WRITE: 2642 case SSL_ERROR_WANT_READ: 2643 case SSL_ERROR_WANT_X509_LOOKUP: 2644 continue; 2645 case SSL_ERROR_SYSCALL: 2646 case SSL_ERROR_SSL: 2647 case SSL_ERROR_ZERO_RETURN: 2648 ret=1; 2649 goto err; 2650 /* break; */ 2651 } 2652 2653 SSL_renegotiate(con); 2654 SSL_write(con,NULL,0); 2655 } 2656 2657 i=BIO_gets(io,buf,bufsize-1); 2658 if (i < 0) /* error */ 2659 { 2660 if (!BIO_should_retry(io)) 2661 { 2662 if (!s_quiet) 2663 ERR_print_errors(bio_err); 2664 goto err; 2665 } 2666 else 2667 { 2668 BIO_printf(bio_s_out,"read R BLOCK\n"); 2669 #if defined(OPENSSL_SYS_NETWARE) 2670 delay(1000); 2671 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2672 sleep(1); 2673 #endif 2674 continue; 2675 } 2676 } 2677 else if (i == 0) /* end of input */ 2678 { 2679 ret=1; 2680 goto end; 2681 } 2682 2683 /* else we have data */ 2684 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) || 2685 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0))) 2686 { 2687 char *p; 2688 X509 *peer; 2689 STACK_OF(SSL_CIPHER) *sk; 2690 static const char *space=" "; 2691 2692 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2693 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2694 BIO_puts(io,"<pre>\n"); 2695 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2696 BIO_puts(io,"\n"); 2697 for (i=0; i<local_argc; i++) 2698 { 2699 BIO_puts(io,local_argv[i]); 2700 BIO_write(io," ",1); 2701 } 2702 BIO_puts(io,"\n"); 2703 2704 /* The following is evil and should not really 2705 * be done */ 2706 BIO_printf(io,"Ciphers supported in s_server binary\n"); 2707 sk=SSL_get_ciphers(con); 2708 j=sk_SSL_CIPHER_num(sk); 2709 for (i=0; i<j; i++) 2710 { 2711 c=sk_SSL_CIPHER_value(sk,i); 2712 BIO_printf(io,"%-11s:%-25s", 2713 SSL_CIPHER_get_version(c), 2714 SSL_CIPHER_get_name(c)); 2715 if ((((i+1)%2) == 0) && (i+1 != j)) 2716 BIO_puts(io,"\n"); 2717 } 2718 BIO_puts(io,"\n"); 2719 p=SSL_get_shared_ciphers(con,buf,bufsize); 2720 if (p != NULL) 2721 { 2722 BIO_printf(io,"---\nCiphers common between both SSL end points:\n"); 2723 j=i=0; 2724 while (*p) 2725 { 2726 if (*p == ':') 2727 { 2728 BIO_write(io,space,26-j); 2729 i++; 2730 j=0; 2731 BIO_write(io,((i%3)?" ":"\n"),1); 2732 } 2733 else 2734 { 2735 BIO_write(io,p,1); 2736 j++; 2737 } 2738 p++; 2739 } 2740 BIO_puts(io,"\n"); 2741 } 2742 BIO_printf(io,(SSL_cache_hit(con) 2743 ?"---\nReused, " 2744 :"---\nNew, ")); 2745 c=SSL_get_current_cipher(con); 2746 BIO_printf(io,"%s, Cipher is %s\n", 2747 SSL_CIPHER_get_version(c), 2748 SSL_CIPHER_get_name(c)); 2749 SSL_SESSION_print(io,SSL_get_session(con)); 2750 BIO_printf(io,"---\n"); 2751 print_stats(io,SSL_get_SSL_CTX(con)); 2752 BIO_printf(io,"---\n"); 2753 peer=SSL_get_peer_certificate(con); 2754 if (peer != NULL) 2755 { 2756 BIO_printf(io,"Client certificate\n"); 2757 X509_print(io,peer); 2758 PEM_write_bio_X509(io,peer); 2759 } 2760 else 2761 BIO_puts(io,"no client certificate available\n"); 2762 BIO_puts(io,"</BODY></HTML>\r\n\r\n"); 2763 break; 2764 } 2765 else if ((www == 2 || www == 3) 2766 && (strncmp("GET /",buf,5) == 0)) 2767 { 2768 BIO *file; 2769 char *p,*e; 2770 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 2771 2772 /* skip the '/' */ 2773 p= &(buf[5]); 2774 2775 dot = 1; 2776 for (e=p; *e != '\0'; e++) 2777 { 2778 if (e[0] == ' ') 2779 break; 2780 2781 switch (dot) 2782 { 2783 case 1: 2784 dot = (e[0] == '.') ? 2 : 0; 2785 break; 2786 case 2: 2787 dot = (e[0] == '.') ? 3 : 0; 2788 break; 2789 case 3: 2790 dot = (e[0] == '/') ? -1 : 0; 2791 break; 2792 } 2793 if (dot == 0) 2794 dot = (e[0] == '/') ? 1 : 0; 2795 } 2796 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */ 2797 2798 if (*e == '\0') 2799 { 2800 BIO_puts(io,text); 2801 BIO_printf(io,"'%s' is an invalid file name\r\n",p); 2802 break; 2803 } 2804 *e='\0'; 2805 2806 if (dot) 2807 { 2808 BIO_puts(io,text); 2809 BIO_printf(io,"'%s' contains '..' reference\r\n",p); 2810 break; 2811 } 2812 2813 if (*p == '/') 2814 { 2815 BIO_puts(io,text); 2816 BIO_printf(io,"'%s' is an invalid path\r\n",p); 2817 break; 2818 } 2819 2820 #if 0 2821 /* append if a directory lookup */ 2822 if (e[-1] == '/') 2823 strcat(p,"index.html"); 2824 #endif 2825 2826 /* if a directory, do the index thang */ 2827 if (app_isdir(p)>0) 2828 { 2829 #if 0 /* must check buffer size */ 2830 strcat(p,"/index.html"); 2831 #else 2832 BIO_puts(io,text); 2833 BIO_printf(io,"'%s' is a directory\r\n",p); 2834 break; 2835 #endif 2836 } 2837 2838 if ((file=BIO_new_file(p,"r")) == NULL) 2839 { 2840 BIO_puts(io,text); 2841 BIO_printf(io,"Error opening '%s'\r\n",p); 2842 ERR_print_errors(io); 2843 break; 2844 } 2845 2846 if (!s_quiet) 2847 BIO_printf(bio_err,"FILE:%s\n",p); 2848 2849 if (www == 2) 2850 { 2851 i=strlen(p); 2852 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) || 2853 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) || 2854 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0))) 2855 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2856 else 2857 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 2858 } 2859 /* send the file */ 2860 for (;;) 2861 { 2862 i=BIO_read(file,buf,bufsize); 2863 if (i <= 0) break; 2864 2865 #ifdef RENEG 2866 total_bytes+=i; 2867 fprintf(stderr,"%d\n",i); 2868 if (total_bytes > 3*1024) 2869 { 2870 total_bytes=0; 2871 fprintf(stderr,"RENEGOTIATE\n"); 2872 SSL_renegotiate(con); 2873 } 2874 #endif 2875 2876 for (j=0; j<i; ) 2877 { 2878 #ifdef RENEG 2879 { static count=0; if (++count == 13) { SSL_renegotiate(con); } } 2880 #endif 2881 k=BIO_write(io,&(buf[j]),i-j); 2882 if (k <= 0) 2883 { 2884 if (!BIO_should_retry(io)) 2885 goto write_error; 2886 else 2887 { 2888 BIO_printf(bio_s_out,"rwrite W BLOCK\n"); 2889 } 2890 } 2891 else 2892 { 2893 j+=k; 2894 } 2895 } 2896 } 2897 write_error: 2898 BIO_free(file); 2899 break; 2900 } 2901 } 2902 2903 for (;;) 2904 { 2905 i=(int)BIO_flush(io); 2906 if (i <= 0) 2907 { 2908 if (!BIO_should_retry(io)) 2909 break; 2910 } 2911 else 2912 break; 2913 } 2914 end: 2915 #if 1 2916 /* make sure we re-use sessions */ 2917 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2918 #else 2919 /* This kills performance */ 2920 /* SSL_shutdown(con); A shutdown gets sent in the 2921 * BIO_free_all(io) procession */ 2922 #endif 2923 2924 err: 2925 2926 if (ret >= 0) 2927 BIO_printf(bio_s_out,"ACCEPT\n"); 2928 2929 if (buf != NULL) OPENSSL_free(buf); 2930 if (io != NULL) BIO_free_all(io); 2931 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 2932 return(ret); 2933 } 2934 2935 #ifndef OPENSSL_NO_RSA 2936 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 2937 { 2938 BIGNUM *bn = NULL; 2939 static RSA *rsa_tmp=NULL; 2940 2941 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 2942 BIO_printf(bio_err,"Allocation error in generating RSA key\n"); 2943 if (!rsa_tmp && bn) 2944 { 2945 if (!s_quiet) 2946 { 2947 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength); 2948 (void)BIO_flush(bio_err); 2949 } 2950 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 2951 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) 2952 { 2953 if(rsa_tmp) RSA_free(rsa_tmp); 2954 rsa_tmp = NULL; 2955 } 2956 if (!s_quiet) 2957 { 2958 BIO_printf(bio_err,"\n"); 2959 (void)BIO_flush(bio_err); 2960 } 2961 BN_free(bn); 2962 } 2963 return(rsa_tmp); 2964 } 2965 #endif 2966 2967 #define MAX_SESSION_ID_ATTEMPTS 10 2968 static int generate_session_id(const SSL *ssl, unsigned char *id, 2969 unsigned int *id_len) 2970 { 2971 unsigned int count = 0; 2972 do { 2973 RAND_pseudo_bytes(id, *id_len); 2974 /* Prefix the session_id with the required prefix. NB: If our 2975 * prefix is too long, clip it - but there will be worse effects 2976 * anyway, eg. the server could only possibly create 1 session 2977 * ID (ie. the prefix!) so all future session negotiations will 2978 * fail due to conflicts. */ 2979 memcpy(id, session_id_prefix, 2980 (strlen(session_id_prefix) < *id_len) ? 2981 strlen(session_id_prefix) : *id_len); 2982 } 2983 while(SSL_has_matching_session_id(ssl, id, *id_len) && 2984 (++count < MAX_SESSION_ID_ATTEMPTS)); 2985 if(count >= MAX_SESSION_ID_ATTEMPTS) 2986 return 0; 2987 return 1; 2988 } 2989