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