1 /* apps/s_server.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh (at) 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 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 495 #endif 496 } 497 498 static int local_argc=0; 499 static char **local_argv; 500 501 #ifdef CHARSET_EBCDIC 502 static int ebcdic_new(BIO *bi); 503 static int ebcdic_free(BIO *a); 504 static int ebcdic_read(BIO *b, char *out, int outl); 505 static int ebcdic_write(BIO *b, const char *in, int inl); 506 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 507 static int ebcdic_gets(BIO *bp, char *buf, int size); 508 static int ebcdic_puts(BIO *bp, const char *str); 509 510 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 511 static BIO_METHOD methods_ebcdic= 512 { 513 BIO_TYPE_EBCDIC_FILTER, 514 "EBCDIC/ASCII filter", 515 ebcdic_write, 516 ebcdic_read, 517 ebcdic_puts, 518 ebcdic_gets, 519 ebcdic_ctrl, 520 ebcdic_new, 521 ebcdic_free, 522 }; 523 524 typedef struct 525 { 526 size_t alloced; 527 char buff[1]; 528 } EBCDIC_OUTBUFF; 529 530 BIO_METHOD *BIO_f_ebcdic_filter() 531 { 532 return(&methods_ebcdic); 533 } 534 535 static int ebcdic_new(BIO *bi) 536 { 537 EBCDIC_OUTBUFF *wbuf; 538 539 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 540 wbuf->alloced = 1024; 541 wbuf->buff[0] = '\0'; 542 543 bi->ptr=(char *)wbuf; 544 bi->init=1; 545 bi->flags=0; 546 return(1); 547 } 548 549 static int ebcdic_free(BIO *a) 550 { 551 if (a == NULL) return(0); 552 if (a->ptr != NULL) 553 OPENSSL_free(a->ptr); 554 a->ptr=NULL; 555 a->init=0; 556 a->flags=0; 557 return(1); 558 } 559 560 static int ebcdic_read(BIO *b, char *out, int outl) 561 { 562 int ret=0; 563 564 if (out == NULL || outl == 0) return(0); 565 if (b->next_bio == NULL) return(0); 566 567 ret=BIO_read(b->next_bio,out,outl); 568 if (ret > 0) 569 ascii2ebcdic(out,out,ret); 570 return(ret); 571 } 572 573 static int ebcdic_write(BIO *b, const char *in, int inl) 574 { 575 EBCDIC_OUTBUFF *wbuf; 576 int ret=0; 577 int num; 578 unsigned char n; 579 580 if ((in == NULL) || (inl <= 0)) return(0); 581 if (b->next_bio == NULL) return(0); 582 583 wbuf=(EBCDIC_OUTBUFF *)b->ptr; 584 585 if (inl > (num = wbuf->alloced)) 586 { 587 num = num + num; /* double the size */ 588 if (num < inl) 589 num = inl; 590 OPENSSL_free(wbuf); 591 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 592 593 wbuf->alloced = num; 594 wbuf->buff[0] = '\0'; 595 596 b->ptr=(char *)wbuf; 597 } 598 599 ebcdic2ascii(wbuf->buff, in, inl); 600 601 ret=BIO_write(b->next_bio, wbuf->buff, inl); 602 603 return(ret); 604 } 605 606 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 607 { 608 long ret; 609 610 if (b->next_bio == NULL) return(0); 611 switch (cmd) 612 { 613 case BIO_CTRL_DUP: 614 ret=0L; 615 break; 616 default: 617 ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 618 break; 619 } 620 return(ret); 621 } 622 623 static int ebcdic_gets(BIO *bp, char *buf, int size) 624 { 625 int i, ret=0; 626 if (bp->next_bio == NULL) return(0); 627 /* return(BIO_gets(bp->next_bio,buf,size));*/ 628 for (i=0; i<size-1; ++i) 629 { 630 ret = ebcdic_read(bp,&buf[i],1); 631 if (ret <= 0) 632 break; 633 else if (buf[i] == '\n') 634 { 635 ++i; 636 break; 637 } 638 } 639 if (i < size) 640 buf[i] = '\0'; 641 return (ret < 0 && i == 0) ? ret : i; 642 } 643 644 static int ebcdic_puts(BIO *bp, const char *str) 645 { 646 if (bp->next_bio == NULL) return(0); 647 return ebcdic_write(bp, str, strlen(str)); 648 } 649 #endif 650 651 #ifndef OPENSSL_NO_TLSEXT 652 653 /* This is a context that we pass to callbacks */ 654 typedef struct tlsextctx_st { 655 char * servername; 656 BIO * biodebug; 657 int extension_error; 658 } tlsextctx; 659 660 661 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 662 { 663 tlsextctx * p = (tlsextctx *) arg; 664 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 665 if (servername && p->biodebug) 666 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername); 667 668 if (!p->servername) 669 return SSL_TLSEXT_ERR_NOACK; 670 671 if (servername) 672 { 673 if (strcmp(servername,p->servername)) 674 return p->extension_error; 675 if (ctx2) 676 { 677 BIO_printf(p->biodebug,"Switching server context.\n"); 678 SSL_set_SSL_CTX(s,ctx2); 679 } 680 } 681 return SSL_TLSEXT_ERR_OK; 682 } 683 684 /* Structure passed to cert status callback */ 685 686 typedef struct tlsextstatusctx_st { 687 /* Default responder to use */ 688 char *host, *path, *port; 689 int use_ssl; 690 int timeout; 691 BIO *err; 692 int verbose; 693 } tlsextstatusctx; 694 695 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0}; 696 697 /* Certificate Status callback. This is called when a client includes a 698 * certificate status request extension. 699 * 700 * This is a simplified version. It examines certificates each time and 701 * makes one OCSP responder query for each request. 702 * 703 * A full version would store details such as the OCSP certificate IDs and 704 * minimise the number of OCSP responses by caching them until they were 705 * considered "expired". 706 */ 707 708 static int cert_status_cb(SSL *s, void *arg) 709 { 710 tlsextstatusctx *srctx = arg; 711 BIO *err = srctx->err; 712 char *host, *port, *path; 713 int use_ssl; 714 unsigned char *rspder = NULL; 715 int rspderlen; 716 STACK_OF(OPENSSL_STRING) *aia = NULL; 717 X509 *x = NULL; 718 X509_STORE_CTX inctx; 719 X509_OBJECT obj; 720 OCSP_REQUEST *req = NULL; 721 OCSP_RESPONSE *resp = NULL; 722 OCSP_CERTID *id = NULL; 723 STACK_OF(X509_EXTENSION) *exts; 724 int ret = SSL_TLSEXT_ERR_NOACK; 725 int i; 726 #if 0 727 STACK_OF(OCSP_RESPID) *ids; 728 SSL_get_tlsext_status_ids(s, &ids); 729 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids)); 730 #endif 731 if (srctx->verbose) 732 BIO_puts(err, "cert_status: callback called\n"); 733 /* Build up OCSP query from server certificate */ 734 x = SSL_get_certificate(s); 735 aia = X509_get1_ocsp(x); 736 if (aia) 737 { 738 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 739 &host, &port, &path, &use_ssl)) 740 { 741 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 742 goto err; 743 } 744 if (srctx->verbose) 745 BIO_printf(err, "cert_status: AIA URL: %s\n", 746 sk_OPENSSL_STRING_value(aia, 0)); 747 } 748 else 749 { 750 if (!srctx->host) 751 { 752 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n"); 753 goto done; 754 } 755 host = srctx->host; 756 path = srctx->path; 757 port = srctx->port; 758 use_ssl = srctx->use_ssl; 759 } 760 761 if (!X509_STORE_CTX_init(&inctx, 762 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 763 NULL, NULL)) 764 goto err; 765 if (X509_STORE_get_by_subject(&inctx,X509_LU_X509, 766 X509_get_issuer_name(x),&obj) <= 0) 767 { 768 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 769 X509_STORE_CTX_cleanup(&inctx); 770 goto done; 771 } 772 req = OCSP_REQUEST_new(); 773 if (!req) 774 goto err; 775 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 776 X509_free(obj.data.x509); 777 X509_STORE_CTX_cleanup(&inctx); 778 if (!id) 779 goto err; 780 if (!OCSP_request_add0_id(req, id)) 781 goto err; 782 id = NULL; 783 /* Add any extensions to the request */ 784 SSL_get_tlsext_status_exts(s, &exts); 785 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) 786 { 787 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 788 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 789 goto err; 790 } 791 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 792 srctx->timeout); 793 if (!resp) 794 { 795 BIO_puts(err, "cert_status: error querying responder\n"); 796 goto done; 797 } 798 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 799 if (rspderlen <= 0) 800 goto err; 801 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 802 if (srctx->verbose) 803 { 804 BIO_puts(err, "cert_status: ocsp response sent:\n"); 805 OCSP_RESPONSE_print(err, resp, 2); 806 } 807 ret = SSL_TLSEXT_ERR_OK; 808 done: 809 if (ret != SSL_TLSEXT_ERR_OK) 810 ERR_print_errors(err); 811 if (aia) 812 { 813 OPENSSL_free(host); 814 OPENSSL_free(path); 815 OPENSSL_free(port); 816 X509_email_free(aia); 817 } 818 if (id) 819 OCSP_CERTID_free(id); 820 if (req) 821 OCSP_REQUEST_free(req); 822 if (resp) 823 OCSP_RESPONSE_free(resp); 824 return ret; 825 err: 826 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 827 goto done; 828 } 829 #endif 830 831 int MAIN(int, char **); 832 833 #ifndef OPENSSL_NO_JPAKE 834 static char *jpake_secret = NULL; 835 #endif 836 837 int MAIN(int argc, char *argv[]) 838 { 839 X509_VERIFY_PARAM *vpm = NULL; 840 int badarg = 0; 841 short port=PORT; 842 char *CApath=NULL,*CAfile=NULL; 843 unsigned char *context = NULL; 844 char *dhfile = NULL; 845 #ifndef OPENSSL_NO_ECDH 846 char *named_curve = NULL; 847 #endif 848 int badop=0,bugs=0; 849 int ret=1; 850 int off=0; 851 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0; 852 int state=0; 853 const SSL_METHOD *meth=NULL; 854 int socket_type=SOCK_STREAM; 855 ENGINE *e=NULL; 856 char *inrand=NULL; 857 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 858 char *passarg = NULL, *pass = NULL; 859 char *dpassarg = NULL, *dpass = NULL; 860 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 861 X509 *s_cert = NULL, *s_dcert = NULL; 862 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 863 int no_cache = 0; 864 #ifndef OPENSSL_NO_TLSEXT 865 EVP_PKEY *s_key2 = NULL; 866 X509 *s_cert2 = NULL; 867 #endif 868 #ifndef OPENSSL_NO_TLSEXT 869 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING}; 870 #endif 871 #ifndef OPENSSL_NO_PSK 872 /* by default do not send a PSK identity hint */ 873 static char *psk_identity_hint=NULL; 874 #endif 875 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 876 meth=SSLv23_server_method(); 877 #elif !defined(OPENSSL_NO_SSL3) 878 meth=SSLv3_server_method(); 879 #elif !defined(OPENSSL_NO_SSL2) 880 meth=SSLv2_server_method(); 881 #endif 882 883 local_argc=argc; 884 local_argv=argv; 885 886 apps_startup(); 887 #ifdef MONOLITH 888 s_server_init(); 889 #endif 890 891 if (bio_err == NULL) 892 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 893 894 if (!load_config(bio_err, NULL)) 895 goto end; 896 897 verify_depth=0; 898 #ifdef FIONBIO 899 s_nbio=0; 900 #endif 901 s_nbio_test=0; 902 903 argc--; 904 argv++; 905 906 while (argc >= 1) 907 { 908 if ((strcmp(*argv,"-port") == 0) || 909 (strcmp(*argv,"-accept") == 0)) 910 { 911 if (--argc < 1) goto bad; 912 if (!extract_port(*(++argv),&port)) 913 goto bad; 914 } 915 else if (strcmp(*argv,"-verify") == 0) 916 { 917 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE; 918 if (--argc < 1) goto bad; 919 verify_depth=atoi(*(++argv)); 920 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 921 } 922 else if (strcmp(*argv,"-Verify") == 0) 923 { 924 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT| 925 SSL_VERIFY_CLIENT_ONCE; 926 if (--argc < 1) goto bad; 927 verify_depth=atoi(*(++argv)); 928 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth); 929 } 930 else if (strcmp(*argv,"-context") == 0) 931 { 932 if (--argc < 1) goto bad; 933 context= (unsigned char *)*(++argv); 934 } 935 else if (strcmp(*argv,"-cert") == 0) 936 { 937 if (--argc < 1) goto bad; 938 s_cert_file= *(++argv); 939 } 940 else if (strcmp(*argv,"-certform") == 0) 941 { 942 if (--argc < 1) goto bad; 943 s_cert_format = str2fmt(*(++argv)); 944 } 945 else if (strcmp(*argv,"-key") == 0) 946 { 947 if (--argc < 1) goto bad; 948 s_key_file= *(++argv); 949 } 950 else if (strcmp(*argv,"-keyform") == 0) 951 { 952 if (--argc < 1) goto bad; 953 s_key_format = str2fmt(*(++argv)); 954 } 955 else if (strcmp(*argv,"-pass") == 0) 956 { 957 if (--argc < 1) goto bad; 958 passarg = *(++argv); 959 } 960 else if (strcmp(*argv,"-dhparam") == 0) 961 { 962 if (--argc < 1) goto bad; 963 dhfile = *(++argv); 964 } 965 #ifndef OPENSSL_NO_ECDH 966 else if (strcmp(*argv,"-named_curve") == 0) 967 { 968 if (--argc < 1) goto bad; 969 named_curve = *(++argv); 970 } 971 #endif 972 else if (strcmp(*argv,"-dcertform") == 0) 973 { 974 if (--argc < 1) goto bad; 975 s_dcert_format = str2fmt(*(++argv)); 976 } 977 else if (strcmp(*argv,"-dcert") == 0) 978 { 979 if (--argc < 1) goto bad; 980 s_dcert_file= *(++argv); 981 } 982 else if (strcmp(*argv,"-dkeyform") == 0) 983 { 984 if (--argc < 1) goto bad; 985 s_dkey_format = str2fmt(*(++argv)); 986 } 987 else if (strcmp(*argv,"-dpass") == 0) 988 { 989 if (--argc < 1) goto bad; 990 dpassarg = *(++argv); 991 } 992 else if (strcmp(*argv,"-dkey") == 0) 993 { 994 if (--argc < 1) goto bad; 995 s_dkey_file= *(++argv); 996 } 997 else if (strcmp(*argv,"-nocert") == 0) 998 { 999 nocert=1; 1000 } 1001 else if (strcmp(*argv,"-CApath") == 0) 1002 { 1003 if (--argc < 1) goto bad; 1004 CApath= *(++argv); 1005 } 1006 else if (strcmp(*argv,"-no_cache") == 0) 1007 no_cache = 1; 1008 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 1009 { 1010 if (badarg) 1011 goto bad; 1012 continue; 1013 } 1014 else if (strcmp(*argv,"-verify_return_error") == 0) 1015 verify_return_error = 1; 1016 else if (strcmp(*argv,"-serverpref") == 0) 1017 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; } 1018 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 1019 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 1020 else if (strcmp(*argv,"-cipher") == 0) 1021 { 1022 if (--argc < 1) goto bad; 1023 cipher= *(++argv); 1024 } 1025 else if (strcmp(*argv,"-CAfile") == 0) 1026 { 1027 if (--argc < 1) goto bad; 1028 CAfile= *(++argv); 1029 } 1030 #ifdef FIONBIO 1031 else if (strcmp(*argv,"-nbio") == 0) 1032 { s_nbio=1; } 1033 #endif 1034 else if (strcmp(*argv,"-nbio_test") == 0) 1035 { 1036 #ifdef FIONBIO 1037 s_nbio=1; 1038 #endif 1039 s_nbio_test=1; 1040 } 1041 else if (strcmp(*argv,"-debug") == 0) 1042 { s_debug=1; } 1043 #ifndef OPENSSL_NO_TLSEXT 1044 else if (strcmp(*argv,"-tlsextdebug") == 0) 1045 s_tlsextdebug=1; 1046 else if (strcmp(*argv,"-status") == 0) 1047 s_tlsextstatus=1; 1048 else if (strcmp(*argv,"-status_verbose") == 0) 1049 { 1050 s_tlsextstatus=1; 1051 tlscstatp.verbose = 1; 1052 } 1053 else if (!strcmp(*argv, "-status_timeout")) 1054 { 1055 s_tlsextstatus=1; 1056 if (--argc < 1) goto bad; 1057 tlscstatp.timeout = atoi(*(++argv)); 1058 } 1059 else if (!strcmp(*argv, "-status_url")) 1060 { 1061 s_tlsextstatus=1; 1062 if (--argc < 1) goto bad; 1063 if (!OCSP_parse_url(*(++argv), 1064 &tlscstatp.host, 1065 &tlscstatp.port, 1066 &tlscstatp.path, 1067 &tlscstatp.use_ssl)) 1068 { 1069 BIO_printf(bio_err, "Error parsing URL\n"); 1070 goto bad; 1071 } 1072 } 1073 #endif 1074 else if (strcmp(*argv,"-msg") == 0) 1075 { s_msg=1; } 1076 else if (strcmp(*argv,"-hack") == 0) 1077 { hack=1; } 1078 else if (strcmp(*argv,"-state") == 0) 1079 { state=1; } 1080 else if (strcmp(*argv,"-crlf") == 0) 1081 { s_crlf=1; } 1082 else if (strcmp(*argv,"-quiet") == 0) 1083 { s_quiet=1; } 1084 else if (strcmp(*argv,"-bugs") == 0) 1085 { bugs=1; } 1086 else if (strcmp(*argv,"-no_tmp_rsa") == 0) 1087 { no_tmp_rsa=1; } 1088 else if (strcmp(*argv,"-no_dhe") == 0) 1089 { no_dhe=1; } 1090 else if (strcmp(*argv,"-no_ecdhe") == 0) 1091 { no_ecdhe=1; } 1092 #ifndef OPENSSL_NO_PSK 1093 else if (strcmp(*argv,"-psk_hint") == 0) 1094 { 1095 if (--argc < 1) goto bad; 1096 psk_identity_hint= *(++argv); 1097 } 1098 else if (strcmp(*argv,"-psk") == 0) 1099 { 1100 size_t i; 1101 1102 if (--argc < 1) goto bad; 1103 psk_key=*(++argv); 1104 for (i=0; i<strlen(psk_key); i++) 1105 { 1106 if (isxdigit((int)psk_key[i])) 1107 continue; 1108 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 1109 goto bad; 1110 } 1111 } 1112 #endif 1113 else if (strcmp(*argv,"-www") == 0) 1114 { www=1; } 1115 else if (strcmp(*argv,"-WWW") == 0) 1116 { www=2; } 1117 else if (strcmp(*argv,"-HTTP") == 0) 1118 { www=3; } 1119 else if (strcmp(*argv,"-no_ssl2") == 0) 1120 { off|=SSL_OP_NO_SSLv2; } 1121 else if (strcmp(*argv,"-no_ssl3") == 0) 1122 { off|=SSL_OP_NO_SSLv3; } 1123 else if (strcmp(*argv,"-no_tls1") == 0) 1124 { off|=SSL_OP_NO_TLSv1; } 1125 else if (strcmp(*argv,"-no_comp") == 0) 1126 { off|=SSL_OP_NO_COMPRESSION; } 1127 #ifndef OPENSSL_NO_TLSEXT 1128 else if (strcmp(*argv,"-no_ticket") == 0) 1129 { off|=SSL_OP_NO_TICKET; } 1130 #endif 1131 #ifndef OPENSSL_NO_SSL2 1132 else if (strcmp(*argv,"-ssl2") == 0) 1133 { meth=SSLv2_server_method(); } 1134 #endif 1135 #ifndef OPENSSL_NO_SSL3 1136 else if (strcmp(*argv,"-ssl3") == 0) 1137 { meth=SSLv3_server_method(); } 1138 #endif 1139 #ifndef OPENSSL_NO_TLS1 1140 else if (strcmp(*argv,"-tls1") == 0) 1141 { meth=TLSv1_server_method(); } 1142 #endif 1143 #ifndef OPENSSL_NO_DTLS1 1144 else if (strcmp(*argv,"-dtls1") == 0) 1145 { 1146 meth=DTLSv1_server_method(); 1147 socket_type = SOCK_DGRAM; 1148 } 1149 else if (strcmp(*argv,"-timeout") == 0) 1150 enable_timeouts = 1; 1151 else if (strcmp(*argv,"-mtu") == 0) 1152 { 1153 if (--argc < 1) goto bad; 1154 socket_mtu = atol(*(++argv)); 1155 } 1156 else if (strcmp(*argv, "-chain") == 0) 1157 cert_chain = 1; 1158 #endif 1159 else if (strcmp(*argv, "-id_prefix") == 0) 1160 { 1161 if (--argc < 1) goto bad; 1162 session_id_prefix = *(++argv); 1163 } 1164 #ifndef OPENSSL_NO_ENGINE 1165 else if (strcmp(*argv,"-engine") == 0) 1166 { 1167 if (--argc < 1) goto bad; 1168 engine_id= *(++argv); 1169 } 1170 #endif 1171 else if (strcmp(*argv,"-rand") == 0) 1172 { 1173 if (--argc < 1) goto bad; 1174 inrand= *(++argv); 1175 } 1176 #ifndef OPENSSL_NO_TLSEXT 1177 else if (strcmp(*argv,"-servername") == 0) 1178 { 1179 if (--argc < 1) goto bad; 1180 tlsextcbp.servername= *(++argv); 1181 } 1182 else if (strcmp(*argv,"-servername_fatal") == 0) 1183 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; } 1184 else if (strcmp(*argv,"-cert2") == 0) 1185 { 1186 if (--argc < 1) goto bad; 1187 s_cert_file2= *(++argv); 1188 } 1189 else if (strcmp(*argv,"-key2") == 0) 1190 { 1191 if (--argc < 1) goto bad; 1192 s_key_file2= *(++argv); 1193 } 1194 1195 #endif 1196 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1197 else if (strcmp(*argv,"-jpake") == 0) 1198 { 1199 if (--argc < 1) goto bad; 1200 jpake_secret = *(++argv); 1201 } 1202 #endif 1203 else 1204 { 1205 BIO_printf(bio_err,"unknown option %s\n",*argv); 1206 badop=1; 1207 break; 1208 } 1209 argc--; 1210 argv++; 1211 } 1212 if (badop) 1213 { 1214 bad: 1215 sv_usage(); 1216 goto end; 1217 } 1218 1219 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1220 if (jpake_secret) 1221 { 1222 if (psk_key) 1223 { 1224 BIO_printf(bio_err, 1225 "Can't use JPAKE and PSK together\n"); 1226 goto end; 1227 } 1228 psk_identity = "JPAKE"; 1229 if (cipher) 1230 { 1231 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1232 goto end; 1233 } 1234 cipher = "PSK"; 1235 } 1236 1237 #endif 1238 1239 SSL_load_error_strings(); 1240 OpenSSL_add_ssl_algorithms(); 1241 1242 #ifndef OPENSSL_NO_ENGINE 1243 e = setup_engine(bio_err, engine_id, 1); 1244 #endif 1245 1246 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) 1247 { 1248 BIO_printf(bio_err, "Error getting password\n"); 1249 goto end; 1250 } 1251 1252 1253 if (s_key_file == NULL) 1254 s_key_file = s_cert_file; 1255 #ifndef OPENSSL_NO_TLSEXT 1256 if (s_key_file2 == NULL) 1257 s_key_file2 = s_cert_file2; 1258 #endif 1259 1260 if (nocert == 0) 1261 { 1262 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1263 "server certificate private key file"); 1264 if (!s_key) 1265 { 1266 ERR_print_errors(bio_err); 1267 goto end; 1268 } 1269 1270 s_cert = load_cert(bio_err,s_cert_file,s_cert_format, 1271 NULL, e, "server certificate file"); 1272 1273 if (!s_cert) 1274 { 1275 ERR_print_errors(bio_err); 1276 goto end; 1277 } 1278 1279 #ifndef OPENSSL_NO_TLSEXT 1280 if (tlsextcbp.servername) 1281 { 1282 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1283 "second server certificate private key file"); 1284 if (!s_key2) 1285 { 1286 ERR_print_errors(bio_err); 1287 goto end; 1288 } 1289 1290 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format, 1291 NULL, e, "second server certificate file"); 1292 1293 if (!s_cert2) 1294 { 1295 ERR_print_errors(bio_err); 1296 goto end; 1297 } 1298 } 1299 #endif 1300 } 1301 1302 1303 if (s_dcert_file) 1304 { 1305 1306 if (s_dkey_file == NULL) 1307 s_dkey_file = s_dcert_file; 1308 1309 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1310 0, dpass, e, 1311 "second certificate private key file"); 1312 if (!s_dkey) 1313 { 1314 ERR_print_errors(bio_err); 1315 goto end; 1316 } 1317 1318 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format, 1319 NULL, e, "second server certificate file"); 1320 1321 if (!s_dcert) 1322 { 1323 ERR_print_errors(bio_err); 1324 goto end; 1325 } 1326 1327 } 1328 1329 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1330 && !RAND_status()) 1331 { 1332 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1333 } 1334 if (inrand != NULL) 1335 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1336 app_RAND_load_files(inrand)); 1337 1338 if (bio_s_out == NULL) 1339 { 1340 if (s_quiet && !s_debug && !s_msg) 1341 { 1342 bio_s_out=BIO_new(BIO_s_null()); 1343 } 1344 else 1345 { 1346 if (bio_s_out == NULL) 1347 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1348 } 1349 } 1350 1351 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1352 if (nocert) 1353 #endif 1354 { 1355 s_cert_file=NULL; 1356 s_key_file=NULL; 1357 s_dcert_file=NULL; 1358 s_dkey_file=NULL; 1359 #ifndef OPENSSL_NO_TLSEXT 1360 s_cert_file2=NULL; 1361 s_key_file2=NULL; 1362 #endif 1363 } 1364 1365 ctx=SSL_CTX_new(meth); 1366 if (ctx == NULL) 1367 { 1368 ERR_print_errors(bio_err); 1369 goto end; 1370 } 1371 if (session_id_prefix) 1372 { 1373 if(strlen(session_id_prefix) >= 32) 1374 BIO_printf(bio_err, 1375 "warning: id_prefix is too long, only one new session will be possible\n"); 1376 else if(strlen(session_id_prefix) >= 16) 1377 BIO_printf(bio_err, 1378 "warning: id_prefix is too long if you use SSLv2\n"); 1379 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) 1380 { 1381 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1382 ERR_print_errors(bio_err); 1383 goto end; 1384 } 1385 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1386 } 1387 SSL_CTX_set_quiet_shutdown(ctx,1); 1388 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL); 1389 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1390 SSL_CTX_set_options(ctx,off); 1391 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1392 * Setting read ahead solves this problem. 1393 */ 1394 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1395 1396 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1397 if (no_cache) 1398 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1399 else 1400 SSL_CTX_sess_set_cache_size(ctx,128); 1401 1402 #if 0 1403 if (cipher == NULL) cipher=getenv("SSL_CIPHER"); 1404 #endif 1405 1406 #if 0 1407 if (s_cert_file == NULL) 1408 { 1409 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n"); 1410 goto end; 1411 } 1412 #endif 1413 1414 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1415 (!SSL_CTX_set_default_verify_paths(ctx))) 1416 { 1417 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1418 ERR_print_errors(bio_err); 1419 /* goto end; */ 1420 } 1421 if (vpm) 1422 SSL_CTX_set1_param(ctx, vpm); 1423 1424 #ifndef OPENSSL_NO_TLSEXT 1425 if (s_cert2) 1426 { 1427 ctx2=SSL_CTX_new(meth); 1428 if (ctx2 == NULL) 1429 { 1430 ERR_print_errors(bio_err); 1431 goto end; 1432 } 1433 } 1434 1435 if (ctx2) 1436 { 1437 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n"); 1438 1439 if (session_id_prefix) 1440 { 1441 if(strlen(session_id_prefix) >= 32) 1442 BIO_printf(bio_err, 1443 "warning: id_prefix is too long, only one new session will be possible\n"); 1444 else if(strlen(session_id_prefix) >= 16) 1445 BIO_printf(bio_err, 1446 "warning: id_prefix is too long if you use SSLv2\n"); 1447 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) 1448 { 1449 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1450 ERR_print_errors(bio_err); 1451 goto end; 1452 } 1453 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1454 } 1455 SSL_CTX_set_quiet_shutdown(ctx2,1); 1456 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL); 1457 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1458 SSL_CTX_set_options(ctx2,off); 1459 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1460 * Setting read ahead solves this problem. 1461 */ 1462 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1); 1463 1464 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback); 1465 1466 if (no_cache) 1467 SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF); 1468 else 1469 SSL_CTX_sess_set_cache_size(ctx2,128); 1470 1471 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) || 1472 (!SSL_CTX_set_default_verify_paths(ctx2))) 1473 { 1474 ERR_print_errors(bio_err); 1475 } 1476 if (vpm) 1477 SSL_CTX_set1_param(ctx2, vpm); 1478 } 1479 #endif 1480 1481 #ifndef OPENSSL_NO_DH 1482 if (!no_dhe) 1483 { 1484 DH *dh=NULL; 1485 1486 if (dhfile) 1487 dh = load_dh_param(dhfile); 1488 else if (s_cert_file) 1489 dh = load_dh_param(s_cert_file); 1490 1491 if (dh != NULL) 1492 { 1493 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1494 } 1495 else 1496 { 1497 BIO_printf(bio_s_out,"Using default temp DH parameters\n"); 1498 dh=get_dh512(); 1499 } 1500 (void)BIO_flush(bio_s_out); 1501 1502 SSL_CTX_set_tmp_dh(ctx,dh); 1503 #ifndef OPENSSL_NO_TLSEXT 1504 if (ctx2) 1505 { 1506 if (!dhfile) 1507 { 1508 DH *dh2=load_dh_param(s_cert_file2); 1509 if (dh2 != NULL) 1510 { 1511 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1512 (void)BIO_flush(bio_s_out); 1513 1514 DH_free(dh); 1515 dh = dh2; 1516 } 1517 } 1518 SSL_CTX_set_tmp_dh(ctx2,dh); 1519 } 1520 #endif 1521 DH_free(dh); 1522 } 1523 #endif 1524 1525 #ifndef OPENSSL_NO_ECDH 1526 if (!no_ecdhe) 1527 { 1528 EC_KEY *ecdh=NULL; 1529 1530 if (named_curve) 1531 { 1532 int nid = OBJ_sn2nid(named_curve); 1533 1534 if (nid == 0) 1535 { 1536 BIO_printf(bio_err, "unknown curve name (%s)\n", 1537 named_curve); 1538 goto end; 1539 } 1540 ecdh = EC_KEY_new_by_curve_name(nid); 1541 if (ecdh == NULL) 1542 { 1543 BIO_printf(bio_err, "unable to create curve (%s)\n", 1544 named_curve); 1545 goto end; 1546 } 1547 } 1548 1549 if (ecdh != NULL) 1550 { 1551 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n"); 1552 } 1553 else 1554 { 1555 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n"); 1556 ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); 1557 if (ecdh == NULL) 1558 { 1559 BIO_printf(bio_err, "unable to create curve (nistp256)\n"); 1560 goto end; 1561 } 1562 } 1563 (void)BIO_flush(bio_s_out); 1564 1565 SSL_CTX_set_tmp_ecdh(ctx,ecdh); 1566 #ifndef OPENSSL_NO_TLSEXT 1567 if (ctx2) 1568 SSL_CTX_set_tmp_ecdh(ctx2,ecdh); 1569 #endif 1570 EC_KEY_free(ecdh); 1571 } 1572 #endif 1573 1574 if (!set_cert_key_stuff(ctx,s_cert,s_key)) 1575 goto end; 1576 #ifndef OPENSSL_NO_TLSEXT 1577 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2)) 1578 goto end; 1579 #endif 1580 if (s_dcert != NULL) 1581 { 1582 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey)) 1583 goto end; 1584 } 1585 1586 #ifndef OPENSSL_NO_RSA 1587 #if 1 1588 if (!no_tmp_rsa) 1589 { 1590 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb); 1591 #ifndef OPENSSL_NO_TLSEXT 1592 if (ctx2) 1593 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb); 1594 #endif 1595 } 1596 #else 1597 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) 1598 { 1599 RSA *rsa; 1600 1601 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key..."); 1602 BIO_flush(bio_s_out); 1603 1604 rsa=RSA_generate_key(512,RSA_F4,NULL); 1605 1606 if (!SSL_CTX_set_tmp_rsa(ctx,rsa)) 1607 { 1608 ERR_print_errors(bio_err); 1609 goto end; 1610 } 1611 #ifndef OPENSSL_NO_TLSEXT 1612 if (ctx2) 1613 { 1614 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa)) 1615 { 1616 ERR_print_errors(bio_err); 1617 goto end; 1618 } 1619 } 1620 #endif 1621 RSA_free(rsa); 1622 BIO_printf(bio_s_out,"\n"); 1623 } 1624 #endif 1625 #endif 1626 1627 #ifndef OPENSSL_NO_PSK 1628 #ifdef OPENSSL_NO_JPAKE 1629 if (psk_key != NULL) 1630 #else 1631 if (psk_key != NULL || jpake_secret) 1632 #endif 1633 { 1634 if (s_debug) 1635 BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n"); 1636 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 1637 } 1638 1639 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) 1640 { 1641 BIO_printf(bio_err,"error setting PSK identity hint to context\n"); 1642 ERR_print_errors(bio_err); 1643 goto end; 1644 } 1645 #endif 1646 1647 if (cipher != NULL) 1648 { 1649 if(!SSL_CTX_set_cipher_list(ctx,cipher)) 1650 { 1651 BIO_printf(bio_err,"error setting cipher list\n"); 1652 ERR_print_errors(bio_err); 1653 goto end; 1654 } 1655 #ifndef OPENSSL_NO_TLSEXT 1656 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher)) 1657 { 1658 BIO_printf(bio_err,"error setting cipher list\n"); 1659 ERR_print_errors(bio_err); 1660 goto end; 1661 } 1662 #endif 1663 } 1664 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback); 1665 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context, 1666 sizeof s_server_session_id_context); 1667 1668 /* Set DTLS cookie generation and verification callbacks */ 1669 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 1670 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 1671 1672 #ifndef OPENSSL_NO_TLSEXT 1673 if (ctx2) 1674 { 1675 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback); 1676 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context, 1677 sizeof s_server_session_id_context); 1678 1679 tlsextcbp.biodebug = bio_s_out; 1680 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 1681 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 1682 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1683 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1684 } 1685 #endif 1686 1687 if (CAfile != NULL) 1688 { 1689 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile)); 1690 #ifndef OPENSSL_NO_TLSEXT 1691 if (ctx2) 1692 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile)); 1693 #endif 1694 } 1695 1696 BIO_printf(bio_s_out,"ACCEPT\n"); 1697 (void)BIO_flush(bio_s_out); 1698 if (www) 1699 do_server(port,socket_type,&accept_socket,www_body, context); 1700 else 1701 do_server(port,socket_type,&accept_socket,sv_body, context); 1702 print_stats(bio_s_out,ctx); 1703 ret=0; 1704 end: 1705 if (ctx != NULL) SSL_CTX_free(ctx); 1706 if (s_cert) 1707 X509_free(s_cert); 1708 if (s_dcert) 1709 X509_free(s_dcert); 1710 if (s_key) 1711 EVP_PKEY_free(s_key); 1712 if (s_dkey) 1713 EVP_PKEY_free(s_dkey); 1714 if (pass) 1715 OPENSSL_free(pass); 1716 if (dpass) 1717 OPENSSL_free(dpass); 1718 #ifndef OPENSSL_NO_TLSEXT 1719 if (ctx2 != NULL) SSL_CTX_free(ctx2); 1720 if (s_cert2) 1721 X509_free(s_cert2); 1722 if (s_key2) 1723 EVP_PKEY_free(s_key2); 1724 #endif 1725 if (bio_s_out != NULL) 1726 { 1727 BIO_free(bio_s_out); 1728 bio_s_out=NULL; 1729 } 1730 apps_shutdown(); 1731 OPENSSL_EXIT(ret); 1732 } 1733 1734 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 1735 { 1736 BIO_printf(bio,"%4ld items in the session cache\n", 1737 SSL_CTX_sess_number(ssl_ctx)); 1738 BIO_printf(bio,"%4ld client connects (SSL_connect())\n", 1739 SSL_CTX_sess_connect(ssl_ctx)); 1740 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n", 1741 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 1742 BIO_printf(bio,"%4ld client connects that finished\n", 1743 SSL_CTX_sess_connect_good(ssl_ctx)); 1744 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n", 1745 SSL_CTX_sess_accept(ssl_ctx)); 1746 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n", 1747 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 1748 BIO_printf(bio,"%4ld server accepts that finished\n", 1749 SSL_CTX_sess_accept_good(ssl_ctx)); 1750 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx)); 1751 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx)); 1752 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx)); 1753 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx)); 1754 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n", 1755 SSL_CTX_sess_cache_full(ssl_ctx), 1756 SSL_CTX_sess_get_cache_size(ssl_ctx)); 1757 } 1758 1759 static int sv_body(char *hostname, int s, unsigned char *context) 1760 { 1761 char *buf=NULL; 1762 fd_set readfds; 1763 int ret=1,width; 1764 int k,i; 1765 unsigned long l; 1766 SSL *con=NULL; 1767 BIO *sbio; 1768 struct timeval timeout; 1769 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1770 struct timeval tv; 1771 #else 1772 struct timeval *timeoutp; 1773 #endif 1774 1775 if ((buf=OPENSSL_malloc(bufsize)) == NULL) 1776 { 1777 BIO_printf(bio_err,"out of memory\n"); 1778 goto err; 1779 } 1780 #ifdef FIONBIO 1781 if (s_nbio) 1782 { 1783 unsigned long sl=1; 1784 1785 if (!s_quiet) 1786 BIO_printf(bio_err,"turning on non blocking io\n"); 1787 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 1788 ERR_print_errors(bio_err); 1789 } 1790 #endif 1791 1792 if (con == NULL) { 1793 con=SSL_new(ctx); 1794 #ifndef OPENSSL_NO_TLSEXT 1795 if (s_tlsextdebug) 1796 { 1797 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1798 SSL_set_tlsext_debug_arg(con, bio_s_out); 1799 } 1800 if (s_tlsextstatus) 1801 { 1802 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 1803 tlscstatp.err = bio_err; 1804 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 1805 } 1806 #endif 1807 #ifndef OPENSSL_NO_KRB5 1808 if ((con->kssl_ctx = kssl_ctx_new()) != NULL) 1809 { 1810 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, 1811 KRB5SVC); 1812 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, 1813 KRB5KEYTAB); 1814 } 1815 #endif /* OPENSSL_NO_KRB5 */ 1816 if(context) 1817 SSL_set_session_id_context(con, context, 1818 strlen((char *)context)); 1819 } 1820 SSL_clear(con); 1821 #if 0 1822 #ifdef TLSEXT_TYPE_opaque_prf_input 1823 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 1824 #endif 1825 #endif 1826 1827 if (SSL_version(con) == DTLS1_VERSION) 1828 { 1829 1830 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1831 1832 if (enable_timeouts) 1833 { 1834 timeout.tv_sec = 0; 1835 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1836 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1837 1838 timeout.tv_sec = 0; 1839 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1840 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1841 } 1842 1843 if (socket_mtu > 28) 1844 { 1845 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1846 SSL_set_mtu(con, socket_mtu - 28); 1847 } 1848 else 1849 /* want to do MTU discovery */ 1850 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1851 1852 /* turn on cookie exchange */ 1853 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 1854 } 1855 else 1856 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1857 1858 if (s_nbio_test) 1859 { 1860 BIO *test; 1861 1862 test=BIO_new(BIO_f_nbio_test()); 1863 sbio=BIO_push(test,sbio); 1864 } 1865 #ifndef OPENSSL_NO_JPAKE 1866 if(jpake_secret) 1867 jpake_server_auth(bio_s_out, sbio, jpake_secret); 1868 #endif 1869 1870 SSL_set_bio(con,sbio,sbio); 1871 SSL_set_accept_state(con); 1872 /* SSL_set_fd(con,s); */ 1873 1874 if (s_debug) 1875 { 1876 con->debug=1; 1877 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 1878 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 1879 } 1880 if (s_msg) 1881 { 1882 SSL_set_msg_callback(con, msg_cb); 1883 SSL_set_msg_callback_arg(con, bio_s_out); 1884 } 1885 #ifndef OPENSSL_NO_TLSEXT 1886 if (s_tlsextdebug) 1887 { 1888 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1889 SSL_set_tlsext_debug_arg(con, bio_s_out); 1890 } 1891 #endif 1892 1893 width=s+1; 1894 for (;;) 1895 { 1896 int read_from_terminal; 1897 int read_from_sslcon; 1898 1899 read_from_terminal = 0; 1900 read_from_sslcon = SSL_pending(con); 1901 1902 if (!read_from_sslcon) 1903 { 1904 FD_ZERO(&readfds); 1905 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 1906 openssl_fdset(fileno(stdin),&readfds); 1907 #endif 1908 openssl_fdset(s,&readfds); 1909 /* Note: under VMS with SOCKETSHR the second parameter is 1910 * currently of type (int *) whereas under other systems 1911 * it is (void *) if you don't have a cast it will choke 1912 * the compiler: if you do have a cast then you can either 1913 * go for (int *) or (void *). 1914 */ 1915 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 1916 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only 1917 * on sockets. As a workaround we timeout the select every 1918 * second and check for any keypress. In a proper Windows 1919 * application we wouldn't do this because it is inefficient. 1920 */ 1921 tv.tv_sec = 1; 1922 tv.tv_usec = 0; 1923 i=select(width,(void *)&readfds,NULL,NULL,&tv); 1924 if((i < 0) || (!i && !_kbhit() ) )continue; 1925 if(_kbhit()) 1926 read_from_terminal = 1; 1927 #elif defined(OPENSSL_SYS_BEOS_R5) 1928 /* Under BeOS-R5 the situation is similar to DOS */ 1929 tv.tv_sec = 1; 1930 tv.tv_usec = 0; 1931 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1932 i=select(width,(void *)&readfds,NULL,NULL,&tv); 1933 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0)) 1934 continue; 1935 if (read(fileno(stdin), buf, 0) >= 0) 1936 read_from_terminal = 1; 1937 (void)fcntl(fileno(stdin), F_SETFL, 0); 1938 #else 1939 if ((SSL_version(con) == DTLS1_VERSION) && 1940 DTLSv1_get_timeout(con, &timeout)) 1941 timeoutp = &timeout; 1942 else 1943 timeoutp = NULL; 1944 1945 i=select(width,(void *)&readfds,NULL,NULL,timeoutp); 1946 1947 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1948 { 1949 BIO_printf(bio_err,"TIMEOUT occured\n"); 1950 } 1951 1952 if (i <= 0) continue; 1953 if (FD_ISSET(fileno(stdin),&readfds)) 1954 read_from_terminal = 1; 1955 #endif 1956 if (FD_ISSET(s,&readfds)) 1957 read_from_sslcon = 1; 1958 } 1959 if (read_from_terminal) 1960 { 1961 if (s_crlf) 1962 { 1963 int j, lf_num; 1964 1965 i=raw_read_stdin(buf, bufsize/2); 1966 lf_num = 0; 1967 /* both loops are skipped when i <= 0 */ 1968 for (j = 0; j < i; j++) 1969 if (buf[j] == '\n') 1970 lf_num++; 1971 for (j = i-1; j >= 0; j--) 1972 { 1973 buf[j+lf_num] = buf[j]; 1974 if (buf[j] == '\n') 1975 { 1976 lf_num--; 1977 i++; 1978 buf[j+lf_num] = '\r'; 1979 } 1980 } 1981 assert(lf_num == 0); 1982 } 1983 else 1984 i=raw_read_stdin(buf,bufsize); 1985 if (!s_quiet) 1986 { 1987 if ((i <= 0) || (buf[0] == 'Q')) 1988 { 1989 BIO_printf(bio_s_out,"DONE\n"); 1990 SHUTDOWN(s); 1991 close_accept_socket(); 1992 ret= -11; 1993 goto err; 1994 } 1995 if ((i <= 0) || (buf[0] == 'q')) 1996 { 1997 BIO_printf(bio_s_out,"DONE\n"); 1998 if (SSL_version(con) != DTLS1_VERSION) 1999 SHUTDOWN(s); 2000 /* close_accept_socket(); 2001 ret= -11;*/ 2002 goto err; 2003 } 2004 2005 if ((buf[0] == 'r') && 2006 ((buf[1] == '\n') || (buf[1] == '\r'))) 2007 { 2008 SSL_renegotiate(con); 2009 i=SSL_do_handshake(con); 2010 printf("SSL_do_handshake -> %d\n",i); 2011 i=0; /*13; */ 2012 continue; 2013 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */ 2014 } 2015 if ((buf[0] == 'R') && 2016 ((buf[1] == '\n') || (buf[1] == '\r'))) 2017 { 2018 SSL_set_verify(con, 2019 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL); 2020 SSL_renegotiate(con); 2021 i=SSL_do_handshake(con); 2022 printf("SSL_do_handshake -> %d\n",i); 2023 i=0; /* 13; */ 2024 continue; 2025 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */ 2026 } 2027 if (buf[0] == 'P') 2028 { 2029 static const char *str="Lets print some clear text\n"; 2030 BIO_write(SSL_get_wbio(con),str,strlen(str)); 2031 } 2032 if (buf[0] == 'S') 2033 { 2034 print_stats(bio_s_out,SSL_get_SSL_CTX(con)); 2035 } 2036 } 2037 #ifdef CHARSET_EBCDIC 2038 ebcdic2ascii(buf,buf,i); 2039 #endif 2040 l=k=0; 2041 for (;;) 2042 { 2043 /* should do a select for the write */ 2044 #ifdef RENEG 2045 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } } 2046 #endif 2047 k=SSL_write(con,&(buf[l]),(unsigned int)i); 2048 switch (SSL_get_error(con,k)) 2049 { 2050 case SSL_ERROR_NONE: 2051 break; 2052 case SSL_ERROR_WANT_WRITE: 2053 case SSL_ERROR_WANT_READ: 2054 case SSL_ERROR_WANT_X509_LOOKUP: 2055 BIO_printf(bio_s_out,"Write BLOCK\n"); 2056 break; 2057 case SSL_ERROR_SYSCALL: 2058 case SSL_ERROR_SSL: 2059 BIO_printf(bio_s_out,"ERROR\n"); 2060 ERR_print_errors(bio_err); 2061 ret=1; 2062 goto err; 2063 /* break; */ 2064 case SSL_ERROR_ZERO_RETURN: 2065 BIO_printf(bio_s_out,"DONE\n"); 2066 ret=1; 2067 goto err; 2068 } 2069 l+=k; 2070 i-=k; 2071 if (i <= 0) break; 2072 } 2073 } 2074 if (read_from_sslcon) 2075 { 2076 if (!SSL_is_init_finished(con)) 2077 { 2078 i=init_ssl_connection(con); 2079 2080 if (i < 0) 2081 { 2082 ret=0; 2083 goto err; 2084 } 2085 else if (i == 0) 2086 { 2087 ret=1; 2088 goto err; 2089 } 2090 } 2091 else 2092 { 2093 again: 2094 i=SSL_read(con,(char *)buf,bufsize); 2095 switch (SSL_get_error(con,i)) 2096 { 2097 case SSL_ERROR_NONE: 2098 #ifdef CHARSET_EBCDIC 2099 ascii2ebcdic(buf,buf,i); 2100 #endif 2101 raw_write_stdout(buf, 2102 (unsigned int)i); 2103 if (SSL_pending(con)) goto again; 2104 break; 2105 case SSL_ERROR_WANT_WRITE: 2106 case SSL_ERROR_WANT_READ: 2107 case SSL_ERROR_WANT_X509_LOOKUP: 2108 BIO_printf(bio_s_out,"Read BLOCK\n"); 2109 break; 2110 case SSL_ERROR_SYSCALL: 2111 case SSL_ERROR_SSL: 2112 BIO_printf(bio_s_out,"ERROR\n"); 2113 ERR_print_errors(bio_err); 2114 ret=1; 2115 goto err; 2116 case SSL_ERROR_ZERO_RETURN: 2117 BIO_printf(bio_s_out,"DONE\n"); 2118 ret=1; 2119 goto err; 2120 } 2121 } 2122 } 2123 } 2124 err: 2125 if (con != NULL) 2126 { 2127 BIO_printf(bio_s_out,"shutting down SSL\n"); 2128 #if 1 2129 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2130 #else 2131 SSL_shutdown(con); 2132 #endif 2133 SSL_free(con); 2134 } 2135 BIO_printf(bio_s_out,"CONNECTION CLOSED\n"); 2136 if (buf != NULL) 2137 { 2138 OPENSSL_cleanse(buf,bufsize); 2139 OPENSSL_free(buf); 2140 } 2141 if (ret >= 0) 2142 BIO_printf(bio_s_out,"ACCEPT\n"); 2143 return(ret); 2144 } 2145 2146 static void close_accept_socket(void) 2147 { 2148 BIO_printf(bio_err,"shutdown accept socket\n"); 2149 if (accept_socket >= 0) 2150 { 2151 SHUTDOWN2(accept_socket); 2152 } 2153 } 2154 2155 static int init_ssl_connection(SSL *con) 2156 { 2157 int i; 2158 const char *str; 2159 X509 *peer; 2160 long verify_error; 2161 MS_STATIC char buf[BUFSIZ]; 2162 2163 if ((i=SSL_accept(con)) <= 0) 2164 { 2165 if (BIO_sock_should_retry(i)) 2166 { 2167 BIO_printf(bio_s_out,"DELAY\n"); 2168 return(1); 2169 } 2170 2171 BIO_printf(bio_err,"ERROR\n"); 2172 verify_error=SSL_get_verify_result(con); 2173 if (verify_error != X509_V_OK) 2174 { 2175 BIO_printf(bio_err,"verify error:%s\n", 2176 X509_verify_cert_error_string(verify_error)); 2177 } 2178 else 2179 ERR_print_errors(bio_err); 2180 return(0); 2181 } 2182 2183 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con)); 2184 2185 peer=SSL_get_peer_certificate(con); 2186 if (peer != NULL) 2187 { 2188 BIO_printf(bio_s_out,"Client certificate\n"); 2189 PEM_write_bio_X509(bio_s_out,peer); 2190 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf); 2191 BIO_printf(bio_s_out,"subject=%s\n",buf); 2192 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf); 2193 BIO_printf(bio_s_out,"issuer=%s\n",buf); 2194 X509_free(peer); 2195 } 2196 2197 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL) 2198 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf); 2199 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2200 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)"); 2201 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n"); 2202 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) & 2203 TLS1_FLAGS_TLS_PADDING_BUG) 2204 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n"); 2205 #ifndef OPENSSL_NO_KRB5 2206 if (con->kssl_ctx->client_princ != NULL) 2207 { 2208 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n", 2209 con->kssl_ctx->client_princ); 2210 } 2211 #endif /* OPENSSL_NO_KRB5 */ 2212 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2213 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2214 return(1); 2215 } 2216 2217 #ifndef OPENSSL_NO_DH 2218 static DH *load_dh_param(const char *dhfile) 2219 { 2220 DH *ret=NULL; 2221 BIO *bio; 2222 2223 if ((bio=BIO_new_file(dhfile,"r")) == NULL) 2224 goto err; 2225 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL); 2226 err: 2227 if (bio != NULL) BIO_free(bio); 2228 return(ret); 2229 } 2230 #endif 2231 2232 #if 0 2233 static int load_CA(SSL_CTX *ctx, char *file) 2234 { 2235 FILE *in; 2236 X509 *x=NULL; 2237 2238 if ((in=fopen(file,"r")) == NULL) 2239 return(0); 2240 2241 for (;;) 2242 { 2243 if (PEM_read_X509(in,&x,NULL) == NULL) 2244 break; 2245 SSL_CTX_add_client_CA(ctx,x); 2246 } 2247 if (x != NULL) X509_free(x); 2248 fclose(in); 2249 return(1); 2250 } 2251 #endif 2252 2253 static int www_body(char *hostname, int s, unsigned char *context) 2254 { 2255 char *buf=NULL; 2256 int ret=1; 2257 int i,j,k,blank,dot; 2258 SSL *con; 2259 const SSL_CIPHER *c; 2260 BIO *io,*ssl_bio,*sbio; 2261 long total_bytes; 2262 2263 buf=OPENSSL_malloc(bufsize); 2264 if (buf == NULL) return(0); 2265 io=BIO_new(BIO_f_buffer()); 2266 ssl_bio=BIO_new(BIO_f_ssl()); 2267 if ((io == NULL) || (ssl_bio == NULL)) goto err; 2268 2269 #ifdef FIONBIO 2270 if (s_nbio) 2271 { 2272 unsigned long sl=1; 2273 2274 if (!s_quiet) 2275 BIO_printf(bio_err,"turning on non blocking io\n"); 2276 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 2277 ERR_print_errors(bio_err); 2278 } 2279 #endif 2280 2281 /* lets make the output buffer a reasonable size */ 2282 if (!BIO_set_write_buffer_size(io,bufsize)) goto err; 2283 2284 if ((con=SSL_new(ctx)) == NULL) goto err; 2285 #ifndef OPENSSL_NO_TLSEXT 2286 if (s_tlsextdebug) 2287 { 2288 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2289 SSL_set_tlsext_debug_arg(con, bio_s_out); 2290 } 2291 #endif 2292 #ifndef OPENSSL_NO_KRB5 2293 if ((con->kssl_ctx = kssl_ctx_new()) != NULL) 2294 { 2295 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC); 2296 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB); 2297 } 2298 #endif /* OPENSSL_NO_KRB5 */ 2299 if(context) SSL_set_session_id_context(con, context, 2300 strlen((char *)context)); 2301 2302 sbio=BIO_new_socket(s,BIO_NOCLOSE); 2303 if (s_nbio_test) 2304 { 2305 BIO *test; 2306 2307 test=BIO_new(BIO_f_nbio_test()); 2308 sbio=BIO_push(test,sbio); 2309 } 2310 SSL_set_bio(con,sbio,sbio); 2311 SSL_set_accept_state(con); 2312 2313 /* SSL_set_fd(con,s); */ 2314 BIO_set_ssl(ssl_bio,con,BIO_CLOSE); 2315 BIO_push(io,ssl_bio); 2316 #ifdef CHARSET_EBCDIC 2317 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io); 2318 #endif 2319 2320 if (s_debug) 2321 { 2322 con->debug=1; 2323 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 2324 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 2325 } 2326 if (s_msg) 2327 { 2328 SSL_set_msg_callback(con, msg_cb); 2329 SSL_set_msg_callback_arg(con, bio_s_out); 2330 } 2331 2332 blank=0; 2333 for (;;) 2334 { 2335 if (hack) 2336 { 2337 i=SSL_accept(con); 2338 2339 switch (SSL_get_error(con,i)) 2340 { 2341 case SSL_ERROR_NONE: 2342 break; 2343 case SSL_ERROR_WANT_WRITE: 2344 case SSL_ERROR_WANT_READ: 2345 case SSL_ERROR_WANT_X509_LOOKUP: 2346 continue; 2347 case SSL_ERROR_SYSCALL: 2348 case SSL_ERROR_SSL: 2349 case SSL_ERROR_ZERO_RETURN: 2350 ret=1; 2351 goto err; 2352 /* break; */ 2353 } 2354 2355 SSL_renegotiate(con); 2356 SSL_write(con,NULL,0); 2357 } 2358 2359 i=BIO_gets(io,buf,bufsize-1); 2360 if (i < 0) /* error */ 2361 { 2362 if (!BIO_should_retry(io)) 2363 { 2364 if (!s_quiet) 2365 ERR_print_errors(bio_err); 2366 goto err; 2367 } 2368 else 2369 { 2370 BIO_printf(bio_s_out,"read R BLOCK\n"); 2371 #if defined(OPENSSL_SYS_NETWARE) 2372 delay(1000); 2373 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2374 sleep(1); 2375 #endif 2376 continue; 2377 } 2378 } 2379 else if (i == 0) /* end of input */ 2380 { 2381 ret=1; 2382 goto end; 2383 } 2384 2385 /* else we have data */ 2386 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) || 2387 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0))) 2388 { 2389 char *p; 2390 X509 *peer; 2391 STACK_OF(SSL_CIPHER) *sk; 2392 static const char *space=" "; 2393 2394 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2395 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2396 BIO_puts(io,"<pre>\n"); 2397 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2398 BIO_puts(io,"\n"); 2399 for (i=0; i<local_argc; i++) 2400 { 2401 BIO_puts(io,local_argv[i]); 2402 BIO_write(io," ",1); 2403 } 2404 BIO_puts(io,"\n"); 2405 2406 /* The following is evil and should not really 2407 * be done */ 2408 BIO_printf(io,"Ciphers supported in s_server binary\n"); 2409 sk=SSL_get_ciphers(con); 2410 j=sk_SSL_CIPHER_num(sk); 2411 for (i=0; i<j; i++) 2412 { 2413 c=sk_SSL_CIPHER_value(sk,i); 2414 BIO_printf(io,"%-11s:%-25s", 2415 SSL_CIPHER_get_version(c), 2416 SSL_CIPHER_get_name(c)); 2417 if ((((i+1)%2) == 0) && (i+1 != j)) 2418 BIO_puts(io,"\n"); 2419 } 2420 BIO_puts(io,"\n"); 2421 p=SSL_get_shared_ciphers(con,buf,bufsize); 2422 if (p != NULL) 2423 { 2424 BIO_printf(io,"---\nCiphers common between both SSL end points:\n"); 2425 j=i=0; 2426 while (*p) 2427 { 2428 if (*p == ':') 2429 { 2430 BIO_write(io,space,26-j); 2431 i++; 2432 j=0; 2433 BIO_write(io,((i%3)?" ":"\n"),1); 2434 } 2435 else 2436 { 2437 BIO_write(io,p,1); 2438 j++; 2439 } 2440 p++; 2441 } 2442 BIO_puts(io,"\n"); 2443 } 2444 BIO_printf(io,((con->hit) 2445 ?"---\nReused, " 2446 :"---\nNew, ")); 2447 c=SSL_get_current_cipher(con); 2448 BIO_printf(io,"%s, Cipher is %s\n", 2449 SSL_CIPHER_get_version(c), 2450 SSL_CIPHER_get_name(c)); 2451 SSL_SESSION_print(io,SSL_get_session(con)); 2452 BIO_printf(io,"---\n"); 2453 print_stats(io,SSL_get_SSL_CTX(con)); 2454 BIO_printf(io,"---\n"); 2455 peer=SSL_get_peer_certificate(con); 2456 if (peer != NULL) 2457 { 2458 BIO_printf(io,"Client certificate\n"); 2459 X509_print(io,peer); 2460 PEM_write_bio_X509(io,peer); 2461 } 2462 else 2463 BIO_puts(io,"no client certificate available\n"); 2464 BIO_puts(io,"</BODY></HTML>\r\n\r\n"); 2465 break; 2466 } 2467 else if ((www == 2 || www == 3) 2468 && (strncmp("GET /",buf,5) == 0)) 2469 { 2470 BIO *file; 2471 char *p,*e; 2472 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 2473 2474 /* skip the '/' */ 2475 p= &(buf[5]); 2476 2477 dot = 1; 2478 for (e=p; *e != '\0'; e++) 2479 { 2480 if (e[0] == ' ') 2481 break; 2482 2483 switch (dot) 2484 { 2485 case 1: 2486 dot = (e[0] == '.') ? 2 : 0; 2487 break; 2488 case 2: 2489 dot = (e[0] == '.') ? 3 : 0; 2490 break; 2491 case 3: 2492 dot = (e[0] == '/') ? -1 : 0; 2493 break; 2494 } 2495 if (dot == 0) 2496 dot = (e[0] == '/') ? 1 : 0; 2497 } 2498 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */ 2499 2500 if (*e == '\0') 2501 { 2502 BIO_puts(io,text); 2503 BIO_printf(io,"'%s' is an invalid file name\r\n",p); 2504 break; 2505 } 2506 *e='\0'; 2507 2508 if (dot) 2509 { 2510 BIO_puts(io,text); 2511 BIO_printf(io,"'%s' contains '..' reference\r\n",p); 2512 break; 2513 } 2514 2515 if (*p == '/') 2516 { 2517 BIO_puts(io,text); 2518 BIO_printf(io,"'%s' is an invalid path\r\n",p); 2519 break; 2520 } 2521 2522 #if 0 2523 /* append if a directory lookup */ 2524 if (e[-1] == '/') 2525 strcat(p,"index.html"); 2526 #endif 2527 2528 /* if a directory, do the index thang */ 2529 if (app_isdir(p)>0) 2530 { 2531 #if 0 /* must check buffer size */ 2532 strcat(p,"/index.html"); 2533 #else 2534 BIO_puts(io,text); 2535 BIO_printf(io,"'%s' is a directory\r\n",p); 2536 break; 2537 #endif 2538 } 2539 2540 if ((file=BIO_new_file(p,"r")) == NULL) 2541 { 2542 BIO_puts(io,text); 2543 BIO_printf(io,"Error opening '%s'\r\n",p); 2544 ERR_print_errors(io); 2545 break; 2546 } 2547 2548 if (!s_quiet) 2549 BIO_printf(bio_err,"FILE:%s\n",p); 2550 2551 if (www == 2) 2552 { 2553 i=strlen(p); 2554 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) || 2555 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) || 2556 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0))) 2557 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2558 else 2559 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 2560 } 2561 /* send the file */ 2562 total_bytes=0; 2563 for (;;) 2564 { 2565 i=BIO_read(file,buf,bufsize); 2566 if (i <= 0) break; 2567 2568 #ifdef RENEG 2569 total_bytes+=i; 2570 fprintf(stderr,"%d\n",i); 2571 if (total_bytes > 3*1024) 2572 { 2573 total_bytes=0; 2574 fprintf(stderr,"RENEGOTIATE\n"); 2575 SSL_renegotiate(con); 2576 } 2577 #endif 2578 2579 for (j=0; j<i; ) 2580 { 2581 #ifdef RENEG 2582 { static count=0; if (++count == 13) { SSL_renegotiate(con); } } 2583 #endif 2584 k=BIO_write(io,&(buf[j]),i-j); 2585 if (k <= 0) 2586 { 2587 if (!BIO_should_retry(io)) 2588 goto write_error; 2589 else 2590 { 2591 BIO_printf(bio_s_out,"rwrite W BLOCK\n"); 2592 } 2593 } 2594 else 2595 { 2596 j+=k; 2597 } 2598 } 2599 } 2600 write_error: 2601 BIO_free(file); 2602 break; 2603 } 2604 } 2605 2606 for (;;) 2607 { 2608 i=(int)BIO_flush(io); 2609 if (i <= 0) 2610 { 2611 if (!BIO_should_retry(io)) 2612 break; 2613 } 2614 else 2615 break; 2616 } 2617 end: 2618 #if 1 2619 /* make sure we re-use sessions */ 2620 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2621 #else 2622 /* This kills performance */ 2623 /* SSL_shutdown(con); A shutdown gets sent in the 2624 * BIO_free_all(io) procession */ 2625 #endif 2626 2627 err: 2628 2629 if (ret >= 0) 2630 BIO_printf(bio_s_out,"ACCEPT\n"); 2631 2632 if (buf != NULL) OPENSSL_free(buf); 2633 if (io != NULL) BIO_free_all(io); 2634 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 2635 return(ret); 2636 } 2637 2638 #ifndef OPENSSL_NO_RSA 2639 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 2640 { 2641 BIGNUM *bn = NULL; 2642 static RSA *rsa_tmp=NULL; 2643 2644 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 2645 BIO_printf(bio_err,"Allocation error in generating RSA key\n"); 2646 if (!rsa_tmp && bn) 2647 { 2648 if (!s_quiet) 2649 { 2650 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength); 2651 (void)BIO_flush(bio_err); 2652 } 2653 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 2654 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) 2655 { 2656 if(rsa_tmp) RSA_free(rsa_tmp); 2657 rsa_tmp = NULL; 2658 } 2659 if (!s_quiet) 2660 { 2661 BIO_printf(bio_err,"\n"); 2662 (void)BIO_flush(bio_err); 2663 } 2664 BN_free(bn); 2665 } 2666 return(rsa_tmp); 2667 } 2668 #endif 2669 2670 #define MAX_SESSION_ID_ATTEMPTS 10 2671 static int generate_session_id(const SSL *ssl, unsigned char *id, 2672 unsigned int *id_len) 2673 { 2674 unsigned int count = 0; 2675 do { 2676 RAND_pseudo_bytes(id, *id_len); 2677 /* Prefix the session_id with the required prefix. NB: If our 2678 * prefix is too long, clip it - but there will be worse effects 2679 * anyway, eg. the server could only possibly create 1 session 2680 * ID (ie. the prefix!) so all future session negotiations will 2681 * fail due to conflicts. */ 2682 memcpy(id, session_id_prefix, 2683 (strlen(session_id_prefix) < *id_len) ? 2684 strlen(session_id_prefix) : *id_len); 2685 } 2686 while(SSL_has_matching_session_id(ssl, id, *id_len) && 2687 (++count < MAX_SESSION_ID_ATTEMPTS)); 2688 if(count >= MAX_SESSION_ID_ATTEMPTS) 2689 return 0; 2690 return 1; 2691 } 2692
