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_1 - Just talk TLSv1_1\n"); 462 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n"); 463 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n"); 464 BIO_printf(bio_err," -timeout - Enable timeouts\n"); 465 BIO_printf(bio_err," -mtu - Set link layer MTU\n"); 466 BIO_printf(bio_err," -chain - Read a certificate chain\n"); 467 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n"); 468 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n"); 469 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n"); 470 BIO_printf(bio_err," -no_tls1_1 - Just disable TLSv1.1\n"); 471 #ifndef OPENSSL_NO_DH 472 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n"); 473 #endif 474 #ifndef OPENSSL_NO_ECDH 475 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n"); 476 #endif 477 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n"); 478 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n"); 479 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 480 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 481 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n"); 482 #ifndef OPENSSL_NO_ENGINE 483 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 484 #endif 485 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 486 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 487 #ifndef OPENSSL_NO_TLSEXT 488 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n"); 489 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 490 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n"); 491 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2); 492 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n"); 493 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2); 494 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 495 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 496 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 497 #endif 498 } 499 500 static int local_argc=0; 501 static char **local_argv; 502 503 #ifdef CHARSET_EBCDIC 504 static int ebcdic_new(BIO *bi); 505 static int ebcdic_free(BIO *a); 506 static int ebcdic_read(BIO *b, char *out, int outl); 507 static int ebcdic_write(BIO *b, const char *in, int inl); 508 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 509 static int ebcdic_gets(BIO *bp, char *buf, int size); 510 static int ebcdic_puts(BIO *bp, const char *str); 511 512 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 513 static BIO_METHOD methods_ebcdic= 514 { 515 BIO_TYPE_EBCDIC_FILTER, 516 "EBCDIC/ASCII filter", 517 ebcdic_write, 518 ebcdic_read, 519 ebcdic_puts, 520 ebcdic_gets, 521 ebcdic_ctrl, 522 ebcdic_new, 523 ebcdic_free, 524 }; 525 526 typedef struct 527 { 528 size_t alloced; 529 char buff[1]; 530 } EBCDIC_OUTBUFF; 531 532 BIO_METHOD *BIO_f_ebcdic_filter() 533 { 534 return(&methods_ebcdic); 535 } 536 537 static int ebcdic_new(BIO *bi) 538 { 539 EBCDIC_OUTBUFF *wbuf; 540 541 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 542 wbuf->alloced = 1024; 543 wbuf->buff[0] = '\0'; 544 545 bi->ptr=(char *)wbuf; 546 bi->init=1; 547 bi->flags=0; 548 return(1); 549 } 550 551 static int ebcdic_free(BIO *a) 552 { 553 if (a == NULL) return(0); 554 if (a->ptr != NULL) 555 OPENSSL_free(a->ptr); 556 a->ptr=NULL; 557 a->init=0; 558 a->flags=0; 559 return(1); 560 } 561 562 static int ebcdic_read(BIO *b, char *out, int outl) 563 { 564 int ret=0; 565 566 if (out == NULL || outl == 0) return(0); 567 if (b->next_bio == NULL) return(0); 568 569 ret=BIO_read(b->next_bio,out,outl); 570 if (ret > 0) 571 ascii2ebcdic(out,out,ret); 572 return(ret); 573 } 574 575 static int ebcdic_write(BIO *b, const char *in, int inl) 576 { 577 EBCDIC_OUTBUFF *wbuf; 578 int ret=0; 579 int num; 580 unsigned char n; 581 582 if ((in == NULL) || (inl <= 0)) return(0); 583 if (b->next_bio == NULL) return(0); 584 585 wbuf=(EBCDIC_OUTBUFF *)b->ptr; 586 587 if (inl > (num = wbuf->alloced)) 588 { 589 num = num + num; /* double the size */ 590 if (num < inl) 591 num = inl; 592 OPENSSL_free(wbuf); 593 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 594 595 wbuf->alloced = num; 596 wbuf->buff[0] = '\0'; 597 598 b->ptr=(char *)wbuf; 599 } 600 601 ebcdic2ascii(wbuf->buff, in, inl); 602 603 ret=BIO_write(b->next_bio, wbuf->buff, inl); 604 605 return(ret); 606 } 607 608 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 609 { 610 long ret; 611 612 if (b->next_bio == NULL) return(0); 613 switch (cmd) 614 { 615 case BIO_CTRL_DUP: 616 ret=0L; 617 break; 618 default: 619 ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 620 break; 621 } 622 return(ret); 623 } 624 625 static int ebcdic_gets(BIO *bp, char *buf, int size) 626 { 627 int i, ret=0; 628 if (bp->next_bio == NULL) return(0); 629 /* return(BIO_gets(bp->next_bio,buf,size));*/ 630 for (i=0; i<size-1; ++i) 631 { 632 ret = ebcdic_read(bp,&buf[i],1); 633 if (ret <= 0) 634 break; 635 else if (buf[i] == '\n') 636 { 637 ++i; 638 break; 639 } 640 } 641 if (i < size) 642 buf[i] = '\0'; 643 return (ret < 0 && i == 0) ? ret : i; 644 } 645 646 static int ebcdic_puts(BIO *bp, const char *str) 647 { 648 if (bp->next_bio == NULL) return(0); 649 return ebcdic_write(bp, str, strlen(str)); 650 } 651 #endif 652 653 #ifndef OPENSSL_NO_TLSEXT 654 655 /* This is a context that we pass to callbacks */ 656 typedef struct tlsextctx_st { 657 char * servername; 658 BIO * biodebug; 659 int extension_error; 660 } tlsextctx; 661 662 663 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 664 { 665 tlsextctx * p = (tlsextctx *) arg; 666 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 667 if (servername && p->biodebug) 668 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername); 669 670 if (!p->servername) 671 return SSL_TLSEXT_ERR_NOACK; 672 673 if (servername) 674 { 675 if (strcmp(servername,p->servername)) 676 return p->extension_error; 677 if (ctx2) 678 { 679 BIO_printf(p->biodebug,"Switching server context.\n"); 680 SSL_set_SSL_CTX(s,ctx2); 681 } 682 } 683 return SSL_TLSEXT_ERR_OK; 684 } 685 686 /* Structure passed to cert status callback */ 687 688 typedef struct tlsextstatusctx_st { 689 /* Default responder to use */ 690 char *host, *path, *port; 691 int use_ssl; 692 int timeout; 693 BIO *err; 694 int verbose; 695 } tlsextstatusctx; 696 697 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0}; 698 699 /* Certificate Status callback. This is called when a client includes a 700 * certificate status request extension. 701 * 702 * This is a simplified version. It examines certificates each time and 703 * makes one OCSP responder query for each request. 704 * 705 * A full version would store details such as the OCSP certificate IDs and 706 * minimise the number of OCSP responses by caching them until they were 707 * considered "expired". 708 */ 709 710 static int cert_status_cb(SSL *s, void *arg) 711 { 712 tlsextstatusctx *srctx = arg; 713 BIO *err = srctx->err; 714 char *host, *port, *path; 715 int use_ssl; 716 unsigned char *rspder = NULL; 717 int rspderlen; 718 STACK_OF(OPENSSL_STRING) *aia = NULL; 719 X509 *x = NULL; 720 X509_STORE_CTX inctx; 721 X509_OBJECT obj; 722 OCSP_REQUEST *req = NULL; 723 OCSP_RESPONSE *resp = NULL; 724 OCSP_CERTID *id = NULL; 725 STACK_OF(X509_EXTENSION) *exts; 726 int ret = SSL_TLSEXT_ERR_NOACK; 727 int i; 728 #if 0 729 STACK_OF(OCSP_RESPID) *ids; 730 SSL_get_tlsext_status_ids(s, &ids); 731 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids)); 732 #endif 733 if (srctx->verbose) 734 BIO_puts(err, "cert_status: callback called\n"); 735 /* Build up OCSP query from server certificate */ 736 x = SSL_get_certificate(s); 737 aia = X509_get1_ocsp(x); 738 if (aia) 739 { 740 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 741 &host, &port, &path, &use_ssl)) 742 { 743 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 744 goto err; 745 } 746 if (srctx->verbose) 747 BIO_printf(err, "cert_status: AIA URL: %s\n", 748 sk_OPENSSL_STRING_value(aia, 0)); 749 } 750 else 751 { 752 if (!srctx->host) 753 { 754 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n"); 755 goto done; 756 } 757 host = srctx->host; 758 path = srctx->path; 759 port = srctx->port; 760 use_ssl = srctx->use_ssl; 761 } 762 763 if (!X509_STORE_CTX_init(&inctx, 764 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 765 NULL, NULL)) 766 goto err; 767 if (X509_STORE_get_by_subject(&inctx,X509_LU_X509, 768 X509_get_issuer_name(x),&obj) <= 0) 769 { 770 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 771 X509_STORE_CTX_cleanup(&inctx); 772 goto done; 773 } 774 req = OCSP_REQUEST_new(); 775 if (!req) 776 goto err; 777 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 778 X509_free(obj.data.x509); 779 X509_STORE_CTX_cleanup(&inctx); 780 if (!id) 781 goto err; 782 if (!OCSP_request_add0_id(req, id)) 783 goto err; 784 id = NULL; 785 /* Add any extensions to the request */ 786 SSL_get_tlsext_status_exts(s, &exts); 787 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) 788 { 789 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 790 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 791 goto err; 792 } 793 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 794 srctx->timeout); 795 if (!resp) 796 { 797 BIO_puts(err, "cert_status: error querying responder\n"); 798 goto done; 799 } 800 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 801 if (rspderlen <= 0) 802 goto err; 803 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 804 if (srctx->verbose) 805 { 806 BIO_puts(err, "cert_status: ocsp response sent:\n"); 807 OCSP_RESPONSE_print(err, resp, 2); 808 } 809 ret = SSL_TLSEXT_ERR_OK; 810 done: 811 if (ret != SSL_TLSEXT_ERR_OK) 812 ERR_print_errors(err); 813 if (aia) 814 { 815 OPENSSL_free(host); 816 OPENSSL_free(path); 817 OPENSSL_free(port); 818 X509_email_free(aia); 819 } 820 if (id) 821 OCSP_CERTID_free(id); 822 if (req) 823 OCSP_REQUEST_free(req); 824 if (resp) 825 OCSP_RESPONSE_free(resp); 826 return ret; 827 err: 828 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 829 goto done; 830 } 831 #endif 832 833 int MAIN(int, char **); 834 835 #ifndef OPENSSL_NO_JPAKE 836 static char *jpake_secret = NULL; 837 #endif 838 839 int MAIN(int argc, char *argv[]) 840 { 841 X509_VERIFY_PARAM *vpm = NULL; 842 int badarg = 0; 843 short port=PORT; 844 char *CApath=NULL,*CAfile=NULL; 845 unsigned char *context = NULL; 846 char *dhfile = NULL; 847 #ifndef OPENSSL_NO_ECDH 848 char *named_curve = NULL; 849 #endif 850 int badop=0,bugs=0; 851 int ret=1; 852 int off=0; 853 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0; 854 int state=0; 855 const SSL_METHOD *meth=NULL; 856 int socket_type=SOCK_STREAM; 857 ENGINE *e=NULL; 858 char *inrand=NULL; 859 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 860 char *passarg = NULL, *pass = NULL; 861 char *dpassarg = NULL, *dpass = NULL; 862 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 863 X509 *s_cert = NULL, *s_dcert = NULL; 864 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 865 int no_cache = 0; 866 #ifndef OPENSSL_NO_TLSEXT 867 EVP_PKEY *s_key2 = NULL; 868 X509 *s_cert2 = NULL; 869 #endif 870 #ifndef OPENSSL_NO_TLSEXT 871 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING}; 872 #endif 873 #ifndef OPENSSL_NO_PSK 874 /* by default do not send a PSK identity hint */ 875 static char *psk_identity_hint=NULL; 876 #endif 877 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 878 meth=SSLv23_server_method(); 879 #elif !defined(OPENSSL_NO_SSL3) 880 meth=SSLv3_server_method(); 881 #elif !defined(OPENSSL_NO_SSL2) 882 meth=SSLv2_server_method(); 883 #endif 884 885 local_argc=argc; 886 local_argv=argv; 887 888 apps_startup(); 889 #ifdef MONOLITH 890 s_server_init(); 891 #endif 892 893 if (bio_err == NULL) 894 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 895 896 if (!load_config(bio_err, NULL)) 897 goto end; 898 899 verify_depth=0; 900 #ifdef FIONBIO 901 s_nbio=0; 902 #endif 903 s_nbio_test=0; 904 905 argc--; 906 argv++; 907 908 while (argc >= 1) 909 { 910 if ((strcmp(*argv,"-port") == 0) || 911 (strcmp(*argv,"-accept") == 0)) 912 { 913 if (--argc < 1) goto bad; 914 if (!extract_port(*(++argv),&port)) 915 goto bad; 916 } 917 else if (strcmp(*argv,"-verify") == 0) 918 { 919 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE; 920 if (--argc < 1) goto bad; 921 verify_depth=atoi(*(++argv)); 922 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 923 } 924 else if (strcmp(*argv,"-Verify") == 0) 925 { 926 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT| 927 SSL_VERIFY_CLIENT_ONCE; 928 if (--argc < 1) goto bad; 929 verify_depth=atoi(*(++argv)); 930 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth); 931 } 932 else if (strcmp(*argv,"-context") == 0) 933 { 934 if (--argc < 1) goto bad; 935 context= (unsigned char *)*(++argv); 936 } 937 else if (strcmp(*argv,"-cert") == 0) 938 { 939 if (--argc < 1) goto bad; 940 s_cert_file= *(++argv); 941 } 942 else if (strcmp(*argv,"-certform") == 0) 943 { 944 if (--argc < 1) goto bad; 945 s_cert_format = str2fmt(*(++argv)); 946 } 947 else if (strcmp(*argv,"-key") == 0) 948 { 949 if (--argc < 1) goto bad; 950 s_key_file= *(++argv); 951 } 952 else if (strcmp(*argv,"-keyform") == 0) 953 { 954 if (--argc < 1) goto bad; 955 s_key_format = str2fmt(*(++argv)); 956 } 957 else if (strcmp(*argv,"-pass") == 0) 958 { 959 if (--argc < 1) goto bad; 960 passarg = *(++argv); 961 } 962 else if (strcmp(*argv,"-dhparam") == 0) 963 { 964 if (--argc < 1) goto bad; 965 dhfile = *(++argv); 966 } 967 #ifndef OPENSSL_NO_ECDH 968 else if (strcmp(*argv,"-named_curve") == 0) 969 { 970 if (--argc < 1) goto bad; 971 named_curve = *(++argv); 972 } 973 #endif 974 else if (strcmp(*argv,"-dcertform") == 0) 975 { 976 if (--argc < 1) goto bad; 977 s_dcert_format = str2fmt(*(++argv)); 978 } 979 else if (strcmp(*argv,"-dcert") == 0) 980 { 981 if (--argc < 1) goto bad; 982 s_dcert_file= *(++argv); 983 } 984 else if (strcmp(*argv,"-dkeyform") == 0) 985 { 986 if (--argc < 1) goto bad; 987 s_dkey_format = str2fmt(*(++argv)); 988 } 989 else if (strcmp(*argv,"-dpass") == 0) 990 { 991 if (--argc < 1) goto bad; 992 dpassarg = *(++argv); 993 } 994 else if (strcmp(*argv,"-dkey") == 0) 995 { 996 if (--argc < 1) goto bad; 997 s_dkey_file= *(++argv); 998 } 999 else if (strcmp(*argv,"-nocert") == 0) 1000 { 1001 nocert=1; 1002 } 1003 else if (strcmp(*argv,"-CApath") == 0) 1004 { 1005 if (--argc < 1) goto bad; 1006 CApath= *(++argv); 1007 } 1008 else if (strcmp(*argv,"-no_cache") == 0) 1009 no_cache = 1; 1010 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 1011 { 1012 if (badarg) 1013 goto bad; 1014 continue; 1015 } 1016 else if (strcmp(*argv,"-verify_return_error") == 0) 1017 verify_return_error = 1; 1018 else if (strcmp(*argv,"-serverpref") == 0) 1019 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; } 1020 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 1021 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 1022 else if (strcmp(*argv,"-cipher") == 0) 1023 { 1024 if (--argc < 1) goto bad; 1025 cipher= *(++argv); 1026 } 1027 else if (strcmp(*argv,"-CAfile") == 0) 1028 { 1029 if (--argc < 1) goto bad; 1030 CAfile= *(++argv); 1031 } 1032 #ifdef FIONBIO 1033 else if (strcmp(*argv,"-nbio") == 0) 1034 { s_nbio=1; } 1035 #endif 1036 else if (strcmp(*argv,"-nbio_test") == 0) 1037 { 1038 #ifdef FIONBIO 1039 s_nbio=1; 1040 #endif 1041 s_nbio_test=1; 1042 } 1043 else if (strcmp(*argv,"-debug") == 0) 1044 { s_debug=1; } 1045 #ifndef OPENSSL_NO_TLSEXT 1046 else if (strcmp(*argv,"-tlsextdebug") == 0) 1047 s_tlsextdebug=1; 1048 else if (strcmp(*argv,"-status") == 0) 1049 s_tlsextstatus=1; 1050 else if (strcmp(*argv,"-status_verbose") == 0) 1051 { 1052 s_tlsextstatus=1; 1053 tlscstatp.verbose = 1; 1054 } 1055 else if (!strcmp(*argv, "-status_timeout")) 1056 { 1057 s_tlsextstatus=1; 1058 if (--argc < 1) goto bad; 1059 tlscstatp.timeout = atoi(*(++argv)); 1060 } 1061 else if (!strcmp(*argv, "-status_url")) 1062 { 1063 s_tlsextstatus=1; 1064 if (--argc < 1) goto bad; 1065 if (!OCSP_parse_url(*(++argv), 1066 &tlscstatp.host, 1067 &tlscstatp.port, 1068 &tlscstatp.path, 1069 &tlscstatp.use_ssl)) 1070 { 1071 BIO_printf(bio_err, "Error parsing URL\n"); 1072 goto bad; 1073 } 1074 } 1075 #endif 1076 else if (strcmp(*argv,"-msg") == 0) 1077 { s_msg=1; } 1078 else if (strcmp(*argv,"-hack") == 0) 1079 { hack=1; } 1080 else if (strcmp(*argv,"-state") == 0) 1081 { state=1; } 1082 else if (strcmp(*argv,"-crlf") == 0) 1083 { s_crlf=1; } 1084 else if (strcmp(*argv,"-quiet") == 0) 1085 { s_quiet=1; } 1086 else if (strcmp(*argv,"-bugs") == 0) 1087 { bugs=1; } 1088 else if (strcmp(*argv,"-no_tmp_rsa") == 0) 1089 { no_tmp_rsa=1; } 1090 else if (strcmp(*argv,"-no_dhe") == 0) 1091 { no_dhe=1; } 1092 else if (strcmp(*argv,"-no_ecdhe") == 0) 1093 { no_ecdhe=1; } 1094 #ifndef OPENSSL_NO_PSK 1095 else if (strcmp(*argv,"-psk_hint") == 0) 1096 { 1097 if (--argc < 1) goto bad; 1098 psk_identity_hint= *(++argv); 1099 } 1100 else if (strcmp(*argv,"-psk") == 0) 1101 { 1102 size_t i; 1103 1104 if (--argc < 1) goto bad; 1105 psk_key=*(++argv); 1106 for (i=0; i<strlen(psk_key); i++) 1107 { 1108 if (isxdigit((int)psk_key[i])) 1109 continue; 1110 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 1111 goto bad; 1112 } 1113 } 1114 #endif 1115 else if (strcmp(*argv,"-www") == 0) 1116 { www=1; } 1117 else if (strcmp(*argv,"-WWW") == 0) 1118 { www=2; } 1119 else if (strcmp(*argv,"-HTTP") == 0) 1120 { www=3; } 1121 else if (strcmp(*argv,"-no_ssl2") == 0) 1122 { off|=SSL_OP_NO_SSLv2; } 1123 else if (strcmp(*argv,"-no_ssl3") == 0) 1124 { off|=SSL_OP_NO_SSLv3; } 1125 else if (strcmp(*argv,"-no_tls1_1") == 0) 1126 { off|=SSL_OP_NO_TLSv1_1; } 1127 else if (strcmp(*argv,"-no_tls1") == 0) 1128 { off|=SSL_OP_NO_TLSv1; } 1129 else if (strcmp(*argv,"-no_comp") == 0) 1130 { off|=SSL_OP_NO_COMPRESSION; } 1131 #ifndef OPENSSL_NO_TLSEXT 1132 else if (strcmp(*argv,"-no_ticket") == 0) 1133 { off|=SSL_OP_NO_TICKET; } 1134 #endif 1135 #ifndef OPENSSL_NO_SSL2 1136 else if (strcmp(*argv,"-ssl2") == 0) 1137 { meth=SSLv2_server_method(); } 1138 #endif 1139 #ifndef OPENSSL_NO_SSL3 1140 else if (strcmp(*argv,"-ssl3") == 0) 1141 { meth=SSLv3_server_method(); } 1142 #endif 1143 #ifndef OPENSSL_NO_TLS1 1144 else if (strcmp(*argv,"-tls1_1") == 0) 1145 { meth=TLSv1_1_server_method(); } 1146 else if (strcmp(*argv,"-tls1") == 0) 1147 { meth=TLSv1_server_method(); } 1148 #endif 1149 #ifndef OPENSSL_NO_DTLS1 1150 else if (strcmp(*argv,"-dtls1") == 0) 1151 { 1152 meth=DTLSv1_server_method(); 1153 socket_type = SOCK_DGRAM; 1154 } 1155 else if (strcmp(*argv,"-timeout") == 0) 1156 enable_timeouts = 1; 1157 else if (strcmp(*argv,"-mtu") == 0) 1158 { 1159 if (--argc < 1) goto bad; 1160 socket_mtu = atol(*(++argv)); 1161 } 1162 else if (strcmp(*argv, "-chain") == 0) 1163 cert_chain = 1; 1164 #endif 1165 else if (strcmp(*argv, "-id_prefix") == 0) 1166 { 1167 if (--argc < 1) goto bad; 1168 session_id_prefix = *(++argv); 1169 } 1170 #ifndef OPENSSL_NO_ENGINE 1171 else if (strcmp(*argv,"-engine") == 0) 1172 { 1173 if (--argc < 1) goto bad; 1174 engine_id= *(++argv); 1175 } 1176 #endif 1177 else if (strcmp(*argv,"-rand") == 0) 1178 { 1179 if (--argc < 1) goto bad; 1180 inrand= *(++argv); 1181 } 1182 #ifndef OPENSSL_NO_TLSEXT 1183 else if (strcmp(*argv,"-servername") == 0) 1184 { 1185 if (--argc < 1) goto bad; 1186 tlsextcbp.servername= *(++argv); 1187 } 1188 else if (strcmp(*argv,"-servername_fatal") == 0) 1189 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; } 1190 else if (strcmp(*argv,"-cert2") == 0) 1191 { 1192 if (--argc < 1) goto bad; 1193 s_cert_file2= *(++argv); 1194 } 1195 else if (strcmp(*argv,"-key2") == 0) 1196 { 1197 if (--argc < 1) goto bad; 1198 s_key_file2= *(++argv); 1199 } 1200 1201 #endif 1202 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1203 else if (strcmp(*argv,"-jpake") == 0) 1204 { 1205 if (--argc < 1) goto bad; 1206 jpake_secret = *(++argv); 1207 } 1208 #endif 1209 else 1210 { 1211 BIO_printf(bio_err,"unknown option %s\n",*argv); 1212 badop=1; 1213 break; 1214 } 1215 argc--; 1216 argv++; 1217 } 1218 if (badop) 1219 { 1220 bad: 1221 sv_usage(); 1222 goto end; 1223 } 1224 1225 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1226 if (jpake_secret) 1227 { 1228 if (psk_key) 1229 { 1230 BIO_printf(bio_err, 1231 "Can't use JPAKE and PSK together\n"); 1232 goto end; 1233 } 1234 psk_identity = "JPAKE"; 1235 if (cipher) 1236 { 1237 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1238 goto end; 1239 } 1240 cipher = "PSK"; 1241 } 1242 1243 #endif 1244 1245 SSL_load_error_strings(); 1246 OpenSSL_add_ssl_algorithms(); 1247 1248 #ifndef OPENSSL_NO_ENGINE 1249 e = setup_engine(bio_err, engine_id, 1); 1250 #endif 1251 1252 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) 1253 { 1254 BIO_printf(bio_err, "Error getting password\n"); 1255 goto end; 1256 } 1257 1258 1259 if (s_key_file == NULL) 1260 s_key_file = s_cert_file; 1261 #ifndef OPENSSL_NO_TLSEXT 1262 if (s_key_file2 == NULL) 1263 s_key_file2 = s_cert_file2; 1264 #endif 1265 1266 if (nocert == 0) 1267 { 1268 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1269 "server certificate private key file"); 1270 if (!s_key) 1271 { 1272 ERR_print_errors(bio_err); 1273 goto end; 1274 } 1275 1276 s_cert = load_cert(bio_err,s_cert_file,s_cert_format, 1277 NULL, e, "server certificate file"); 1278 1279 if (!s_cert) 1280 { 1281 ERR_print_errors(bio_err); 1282 goto end; 1283 } 1284 1285 #ifndef OPENSSL_NO_TLSEXT 1286 if (tlsextcbp.servername) 1287 { 1288 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1289 "second server certificate private key file"); 1290 if (!s_key2) 1291 { 1292 ERR_print_errors(bio_err); 1293 goto end; 1294 } 1295 1296 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format, 1297 NULL, e, "second server certificate file"); 1298 1299 if (!s_cert2) 1300 { 1301 ERR_print_errors(bio_err); 1302 goto end; 1303 } 1304 } 1305 #endif 1306 } 1307 1308 1309 if (s_dcert_file) 1310 { 1311 1312 if (s_dkey_file == NULL) 1313 s_dkey_file = s_dcert_file; 1314 1315 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1316 0, dpass, e, 1317 "second certificate private key file"); 1318 if (!s_dkey) 1319 { 1320 ERR_print_errors(bio_err); 1321 goto end; 1322 } 1323 1324 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format, 1325 NULL, e, "second server certificate file"); 1326 1327 if (!s_dcert) 1328 { 1329 ERR_print_errors(bio_err); 1330 goto end; 1331 } 1332 1333 } 1334 1335 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1336 && !RAND_status()) 1337 { 1338 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1339 } 1340 if (inrand != NULL) 1341 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1342 app_RAND_load_files(inrand)); 1343 1344 if (bio_s_out == NULL) 1345 { 1346 if (s_quiet && !s_debug && !s_msg) 1347 { 1348 bio_s_out=BIO_new(BIO_s_null()); 1349 } 1350 else 1351 { 1352 if (bio_s_out == NULL) 1353 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1354 } 1355 } 1356 1357 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1358 if (nocert) 1359 #endif 1360 { 1361 s_cert_file=NULL; 1362 s_key_file=NULL; 1363 s_dcert_file=NULL; 1364 s_dkey_file=NULL; 1365 #ifndef OPENSSL_NO_TLSEXT 1366 s_cert_file2=NULL; 1367 s_key_file2=NULL; 1368 #endif 1369 } 1370 1371 ctx=SSL_CTX_new(meth); 1372 if (ctx == NULL) 1373 { 1374 ERR_print_errors(bio_err); 1375 goto end; 1376 } 1377 if (session_id_prefix) 1378 { 1379 if(strlen(session_id_prefix) >= 32) 1380 BIO_printf(bio_err, 1381 "warning: id_prefix is too long, only one new session will be possible\n"); 1382 else if(strlen(session_id_prefix) >= 16) 1383 BIO_printf(bio_err, 1384 "warning: id_prefix is too long if you use SSLv2\n"); 1385 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) 1386 { 1387 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1388 ERR_print_errors(bio_err); 1389 goto end; 1390 } 1391 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1392 } 1393 SSL_CTX_set_quiet_shutdown(ctx,1); 1394 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL); 1395 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1396 SSL_CTX_set_options(ctx,off); 1397 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1398 * Setting read ahead solves this problem. 1399 */ 1400 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1401 1402 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1403 if (no_cache) 1404 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1405 else 1406 SSL_CTX_sess_set_cache_size(ctx,128); 1407 1408 #if 0 1409 if (cipher == NULL) cipher=getenv("SSL_CIPHER"); 1410 #endif 1411 1412 #if 0 1413 if (s_cert_file == NULL) 1414 { 1415 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n"); 1416 goto end; 1417 } 1418 #endif 1419 1420 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1421 (!SSL_CTX_set_default_verify_paths(ctx))) 1422 { 1423 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1424 ERR_print_errors(bio_err); 1425 /* goto end; */ 1426 } 1427 if (vpm) 1428 SSL_CTX_set1_param(ctx, vpm); 1429 1430 #ifndef OPENSSL_NO_TLSEXT 1431 if (s_cert2) 1432 { 1433 ctx2=SSL_CTX_new(meth); 1434 if (ctx2 == NULL) 1435 { 1436 ERR_print_errors(bio_err); 1437 goto end; 1438 } 1439 } 1440 1441 if (ctx2) 1442 { 1443 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n"); 1444 1445 if (session_id_prefix) 1446 { 1447 if(strlen(session_id_prefix) >= 32) 1448 BIO_printf(bio_err, 1449 "warning: id_prefix is too long, only one new session will be possible\n"); 1450 else if(strlen(session_id_prefix) >= 16) 1451 BIO_printf(bio_err, 1452 "warning: id_prefix is too long if you use SSLv2\n"); 1453 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) 1454 { 1455 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1456 ERR_print_errors(bio_err); 1457 goto end; 1458 } 1459 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1460 } 1461 SSL_CTX_set_quiet_shutdown(ctx2,1); 1462 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL); 1463 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1464 SSL_CTX_set_options(ctx2,off); 1465 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1466 * Setting read ahead solves this problem. 1467 */ 1468 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1); 1469 1470 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback); 1471 1472 if (no_cache) 1473 SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF); 1474 else 1475 SSL_CTX_sess_set_cache_size(ctx2,128); 1476 1477 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) || 1478 (!SSL_CTX_set_default_verify_paths(ctx2))) 1479 { 1480 ERR_print_errors(bio_err); 1481 } 1482 if (vpm) 1483 SSL_CTX_set1_param(ctx2, vpm); 1484 } 1485 #endif 1486 1487 #ifndef OPENSSL_NO_DH 1488 if (!no_dhe) 1489 { 1490 DH *dh=NULL; 1491 1492 if (dhfile) 1493 dh = load_dh_param(dhfile); 1494 else if (s_cert_file) 1495 dh = load_dh_param(s_cert_file); 1496 1497 if (dh != NULL) 1498 { 1499 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1500 } 1501 else 1502 { 1503 BIO_printf(bio_s_out,"Using default temp DH parameters\n"); 1504 dh=get_dh512(); 1505 } 1506 (void)BIO_flush(bio_s_out); 1507 1508 SSL_CTX_set_tmp_dh(ctx,dh); 1509 #ifndef OPENSSL_NO_TLSEXT 1510 if (ctx2) 1511 { 1512 if (!dhfile) 1513 { 1514 DH *dh2=load_dh_param(s_cert_file2); 1515 if (dh2 != NULL) 1516 { 1517 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1518 (void)BIO_flush(bio_s_out); 1519 1520 DH_free(dh); 1521 dh = dh2; 1522 } 1523 } 1524 SSL_CTX_set_tmp_dh(ctx2,dh); 1525 } 1526 #endif 1527 DH_free(dh); 1528 } 1529 #endif 1530 1531 #ifndef OPENSSL_NO_ECDH 1532 if (!no_ecdhe) 1533 { 1534 EC_KEY *ecdh=NULL; 1535 1536 if (named_curve) 1537 { 1538 int nid = OBJ_sn2nid(named_curve); 1539 1540 if (nid == 0) 1541 { 1542 BIO_printf(bio_err, "unknown curve name (%s)\n", 1543 named_curve); 1544 goto end; 1545 } 1546 ecdh = EC_KEY_new_by_curve_name(nid); 1547 if (ecdh == NULL) 1548 { 1549 BIO_printf(bio_err, "unable to create curve (%s)\n", 1550 named_curve); 1551 goto end; 1552 } 1553 } 1554 1555 if (ecdh != NULL) 1556 { 1557 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n"); 1558 } 1559 else 1560 { 1561 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n"); 1562 ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); 1563 if (ecdh == NULL) 1564 { 1565 BIO_printf(bio_err, "unable to create curve (nistp256)\n"); 1566 goto end; 1567 } 1568 } 1569 (void)BIO_flush(bio_s_out); 1570 1571 SSL_CTX_set_tmp_ecdh(ctx,ecdh); 1572 #ifndef OPENSSL_NO_TLSEXT 1573 if (ctx2) 1574 SSL_CTX_set_tmp_ecdh(ctx2,ecdh); 1575 #endif 1576 EC_KEY_free(ecdh); 1577 } 1578 #endif 1579 1580 if (!set_cert_key_stuff(ctx,s_cert,s_key)) 1581 goto end; 1582 #ifndef OPENSSL_NO_TLSEXT 1583 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2)) 1584 goto end; 1585 #endif 1586 if (s_dcert != NULL) 1587 { 1588 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey)) 1589 goto end; 1590 } 1591 1592 #ifndef OPENSSL_NO_RSA 1593 #if 1 1594 if (!no_tmp_rsa) 1595 { 1596 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb); 1597 #ifndef OPENSSL_NO_TLSEXT 1598 if (ctx2) 1599 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb); 1600 #endif 1601 } 1602 #else 1603 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) 1604 { 1605 RSA *rsa; 1606 1607 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key..."); 1608 BIO_flush(bio_s_out); 1609 1610 rsa=RSA_generate_key(512,RSA_F4,NULL); 1611 1612 if (!SSL_CTX_set_tmp_rsa(ctx,rsa)) 1613 { 1614 ERR_print_errors(bio_err); 1615 goto end; 1616 } 1617 #ifndef OPENSSL_NO_TLSEXT 1618 if (ctx2) 1619 { 1620 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa)) 1621 { 1622 ERR_print_errors(bio_err); 1623 goto end; 1624 } 1625 } 1626 #endif 1627 RSA_free(rsa); 1628 BIO_printf(bio_s_out,"\n"); 1629 } 1630 #endif 1631 #endif 1632 1633 #ifndef OPENSSL_NO_PSK 1634 #ifdef OPENSSL_NO_JPAKE 1635 if (psk_key != NULL) 1636 #else 1637 if (psk_key != NULL || jpake_secret) 1638 #endif 1639 { 1640 if (s_debug) 1641 BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n"); 1642 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 1643 } 1644 1645 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) 1646 { 1647 BIO_printf(bio_err,"error setting PSK identity hint to context\n"); 1648 ERR_print_errors(bio_err); 1649 goto end; 1650 } 1651 #endif 1652 1653 if (cipher != NULL) 1654 { 1655 if(!SSL_CTX_set_cipher_list(ctx,cipher)) 1656 { 1657 BIO_printf(bio_err,"error setting cipher list\n"); 1658 ERR_print_errors(bio_err); 1659 goto end; 1660 } 1661 #ifndef OPENSSL_NO_TLSEXT 1662 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher)) 1663 { 1664 BIO_printf(bio_err,"error setting cipher list\n"); 1665 ERR_print_errors(bio_err); 1666 goto end; 1667 } 1668 #endif 1669 } 1670 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback); 1671 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context, 1672 sizeof s_server_session_id_context); 1673 1674 /* Set DTLS cookie generation and verification callbacks */ 1675 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 1676 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 1677 1678 #ifndef OPENSSL_NO_TLSEXT 1679 if (ctx2) 1680 { 1681 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback); 1682 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context, 1683 sizeof s_server_session_id_context); 1684 1685 tlsextcbp.biodebug = bio_s_out; 1686 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 1687 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 1688 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1689 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1690 } 1691 #endif 1692 1693 if (CAfile != NULL) 1694 { 1695 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile)); 1696 #ifndef OPENSSL_NO_TLSEXT 1697 if (ctx2) 1698 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile)); 1699 #endif 1700 } 1701 1702 BIO_printf(bio_s_out,"ACCEPT\n"); 1703 (void)BIO_flush(bio_s_out); 1704 if (www) 1705 do_server(port,socket_type,&accept_socket,www_body, context); 1706 else 1707 do_server(port,socket_type,&accept_socket,sv_body, context); 1708 print_stats(bio_s_out,ctx); 1709 ret=0; 1710 end: 1711 if (ctx != NULL) SSL_CTX_free(ctx); 1712 if (s_cert) 1713 X509_free(s_cert); 1714 if (s_dcert) 1715 X509_free(s_dcert); 1716 if (s_key) 1717 EVP_PKEY_free(s_key); 1718 if (s_dkey) 1719 EVP_PKEY_free(s_dkey); 1720 if (pass) 1721 OPENSSL_free(pass); 1722 if (dpass) 1723 OPENSSL_free(dpass); 1724 #ifndef OPENSSL_NO_TLSEXT 1725 if (ctx2 != NULL) SSL_CTX_free(ctx2); 1726 if (s_cert2) 1727 X509_free(s_cert2); 1728 if (s_key2) 1729 EVP_PKEY_free(s_key2); 1730 #endif 1731 if (bio_s_out != NULL) 1732 { 1733 BIO_free(bio_s_out); 1734 bio_s_out=NULL; 1735 } 1736 apps_shutdown(); 1737 OPENSSL_EXIT(ret); 1738 } 1739 1740 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 1741 { 1742 BIO_printf(bio,"%4ld items in the session cache\n", 1743 SSL_CTX_sess_number(ssl_ctx)); 1744 BIO_printf(bio,"%4ld client connects (SSL_connect())\n", 1745 SSL_CTX_sess_connect(ssl_ctx)); 1746 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n", 1747 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 1748 BIO_printf(bio,"%4ld client connects that finished\n", 1749 SSL_CTX_sess_connect_good(ssl_ctx)); 1750 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n", 1751 SSL_CTX_sess_accept(ssl_ctx)); 1752 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n", 1753 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 1754 BIO_printf(bio,"%4ld server accepts that finished\n", 1755 SSL_CTX_sess_accept_good(ssl_ctx)); 1756 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx)); 1757 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx)); 1758 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx)); 1759 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx)); 1760 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n", 1761 SSL_CTX_sess_cache_full(ssl_ctx), 1762 SSL_CTX_sess_get_cache_size(ssl_ctx)); 1763 } 1764 1765 static int sv_body(char *hostname, int s, unsigned char *context) 1766 { 1767 char *buf=NULL; 1768 fd_set readfds; 1769 int ret=1,width; 1770 int k,i; 1771 unsigned long l; 1772 SSL *con=NULL; 1773 BIO *sbio; 1774 struct timeval timeout; 1775 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1776 struct timeval tv; 1777 #else 1778 struct timeval *timeoutp; 1779 #endif 1780 1781 if ((buf=OPENSSL_malloc(bufsize)) == NULL) 1782 { 1783 BIO_printf(bio_err,"out of memory\n"); 1784 goto err; 1785 } 1786 #ifdef FIONBIO 1787 if (s_nbio) 1788 { 1789 unsigned long sl=1; 1790 1791 if (!s_quiet) 1792 BIO_printf(bio_err,"turning on non blocking io\n"); 1793 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 1794 ERR_print_errors(bio_err); 1795 } 1796 #endif 1797 1798 if (con == NULL) { 1799 con=SSL_new(ctx); 1800 #ifndef OPENSSL_NO_TLSEXT 1801 if (s_tlsextdebug) 1802 { 1803 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1804 SSL_set_tlsext_debug_arg(con, bio_s_out); 1805 } 1806 if (s_tlsextstatus) 1807 { 1808 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 1809 tlscstatp.err = bio_err; 1810 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 1811 } 1812 #endif 1813 #ifndef OPENSSL_NO_KRB5 1814 if ((con->kssl_ctx = kssl_ctx_new()) != NULL) 1815 { 1816 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, 1817 KRB5SVC); 1818 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, 1819 KRB5KEYTAB); 1820 } 1821 #endif /* OPENSSL_NO_KRB5 */ 1822 if(context) 1823 SSL_set_session_id_context(con, context, 1824 strlen((char *)context)); 1825 } 1826 SSL_clear(con); 1827 #if 0 1828 #ifdef TLSEXT_TYPE_opaque_prf_input 1829 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 1830 #endif 1831 #endif 1832 1833 if (SSL_version(con) == DTLS1_VERSION) 1834 { 1835 1836 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1837 1838 if (enable_timeouts) 1839 { 1840 timeout.tv_sec = 0; 1841 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1842 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1843 1844 timeout.tv_sec = 0; 1845 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1846 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1847 } 1848 1849 if (socket_mtu > 28) 1850 { 1851 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1852 SSL_set_mtu(con, socket_mtu - 28); 1853 } 1854 else 1855 /* want to do MTU discovery */ 1856 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1857 1858 /* turn on cookie exchange */ 1859 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 1860 } 1861 else 1862 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1863 1864 if (s_nbio_test) 1865 { 1866 BIO *test; 1867 1868 test=BIO_new(BIO_f_nbio_test()); 1869 sbio=BIO_push(test,sbio); 1870 } 1871 #ifndef OPENSSL_NO_JPAKE 1872 if(jpake_secret) 1873 jpake_server_auth(bio_s_out, sbio, jpake_secret); 1874 #endif 1875 1876 SSL_set_bio(con,sbio,sbio); 1877 SSL_set_accept_state(con); 1878 /* SSL_set_fd(con,s); */ 1879 1880 if (s_debug) 1881 { 1882 con->debug=1; 1883 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 1884 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 1885 } 1886 if (s_msg) 1887 { 1888 SSL_set_msg_callback(con, msg_cb); 1889 SSL_set_msg_callback_arg(con, bio_s_out); 1890 } 1891 #ifndef OPENSSL_NO_TLSEXT 1892 if (s_tlsextdebug) 1893 { 1894 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1895 SSL_set_tlsext_debug_arg(con, bio_s_out); 1896 } 1897 #endif 1898 1899 width=s+1; 1900 for (;;) 1901 { 1902 int read_from_terminal; 1903 int read_from_sslcon; 1904 1905 read_from_terminal = 0; 1906 read_from_sslcon = SSL_pending(con); 1907 1908 if (!read_from_sslcon) 1909 { 1910 FD_ZERO(&readfds); 1911 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 1912 openssl_fdset(fileno(stdin),&readfds); 1913 #endif 1914 openssl_fdset(s,&readfds); 1915 /* Note: under VMS with SOCKETSHR the second parameter is 1916 * currently of type (int *) whereas under other systems 1917 * it is (void *) if you don't have a cast it will choke 1918 * the compiler: if you do have a cast then you can either 1919 * go for (int *) or (void *). 1920 */ 1921 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 1922 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only 1923 * on sockets. As a workaround we timeout the select every 1924 * second and check for any keypress. In a proper Windows 1925 * application we wouldn't do this because it is inefficient. 1926 */ 1927 tv.tv_sec = 1; 1928 tv.tv_usec = 0; 1929 i=select(width,(void *)&readfds,NULL,NULL,&tv); 1930 if((i < 0) || (!i && !_kbhit() ) )continue; 1931 if(_kbhit()) 1932 read_from_terminal = 1; 1933 #elif defined(OPENSSL_SYS_BEOS_R5) 1934 /* Under BeOS-R5 the situation is similar to DOS */ 1935 tv.tv_sec = 1; 1936 tv.tv_usec = 0; 1937 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1938 i=select(width,(void *)&readfds,NULL,NULL,&tv); 1939 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0)) 1940 continue; 1941 if (read(fileno(stdin), buf, 0) >= 0) 1942 read_from_terminal = 1; 1943 (void)fcntl(fileno(stdin), F_SETFL, 0); 1944 #else 1945 if ((SSL_version(con) == DTLS1_VERSION) && 1946 DTLSv1_get_timeout(con, &timeout)) 1947 timeoutp = &timeout; 1948 else 1949 timeoutp = NULL; 1950 1951 i=select(width,(void *)&readfds,NULL,NULL,timeoutp); 1952 1953 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1954 { 1955 BIO_printf(bio_err,"TIMEOUT occured\n"); 1956 } 1957 1958 if (i <= 0) continue; 1959 if (FD_ISSET(fileno(stdin),&readfds)) 1960 read_from_terminal = 1; 1961 #endif 1962 if (FD_ISSET(s,&readfds)) 1963 read_from_sslcon = 1; 1964 } 1965 if (read_from_terminal) 1966 { 1967 if (s_crlf) 1968 { 1969 int j, lf_num; 1970 1971 i=raw_read_stdin(buf, bufsize/2); 1972 lf_num = 0; 1973 /* both loops are skipped when i <= 0 */ 1974 for (j = 0; j < i; j++) 1975 if (buf[j] == '\n') 1976 lf_num++; 1977 for (j = i-1; j >= 0; j--) 1978 { 1979 buf[j+lf_num] = buf[j]; 1980 if (buf[j] == '\n') 1981 { 1982 lf_num--; 1983 i++; 1984 buf[j+lf_num] = '\r'; 1985 } 1986 } 1987 assert(lf_num == 0); 1988 } 1989 else 1990 i=raw_read_stdin(buf,bufsize); 1991 if (!s_quiet) 1992 { 1993 if ((i <= 0) || (buf[0] == 'Q')) 1994 { 1995 BIO_printf(bio_s_out,"DONE\n"); 1996 SHUTDOWN(s); 1997 close_accept_socket(); 1998 ret= -11; 1999 goto err; 2000 } 2001 if ((i <= 0) || (buf[0] == 'q')) 2002 { 2003 BIO_printf(bio_s_out,"DONE\n"); 2004 if (SSL_version(con) != DTLS1_VERSION) 2005 SHUTDOWN(s); 2006 /* close_accept_socket(); 2007 ret= -11;*/ 2008 goto err; 2009 } 2010 2011 if ((buf[0] == 'r') && 2012 ((buf[1] == '\n') || (buf[1] == '\r'))) 2013 { 2014 SSL_renegotiate(con); 2015 i=SSL_do_handshake(con); 2016 printf("SSL_do_handshake -> %d\n",i); 2017 i=0; /*13; */ 2018 continue; 2019 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */ 2020 } 2021 if ((buf[0] == 'R') && 2022 ((buf[1] == '\n') || (buf[1] == '\r'))) 2023 { 2024 SSL_set_verify(con, 2025 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL); 2026 SSL_renegotiate(con); 2027 i=SSL_do_handshake(con); 2028 printf("SSL_do_handshake -> %d\n",i); 2029 i=0; /* 13; */ 2030 continue; 2031 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */ 2032 } 2033 if (buf[0] == 'P') 2034 { 2035 static const char *str="Lets print some clear text\n"; 2036 BIO_write(SSL_get_wbio(con),str,strlen(str)); 2037 } 2038 if (buf[0] == 'S') 2039 { 2040 print_stats(bio_s_out,SSL_get_SSL_CTX(con)); 2041 } 2042 } 2043 #ifdef CHARSET_EBCDIC 2044 ebcdic2ascii(buf,buf,i); 2045 #endif 2046 l=k=0; 2047 for (;;) 2048 { 2049 /* should do a select for the write */ 2050 #ifdef RENEG 2051 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } } 2052 #endif 2053 k=SSL_write(con,&(buf[l]),(unsigned int)i); 2054 switch (SSL_get_error(con,k)) 2055 { 2056 case SSL_ERROR_NONE: 2057 break; 2058 case SSL_ERROR_WANT_WRITE: 2059 case SSL_ERROR_WANT_READ: 2060 case SSL_ERROR_WANT_X509_LOOKUP: 2061 BIO_printf(bio_s_out,"Write BLOCK\n"); 2062 break; 2063 case SSL_ERROR_SYSCALL: 2064 case SSL_ERROR_SSL: 2065 BIO_printf(bio_s_out,"ERROR\n"); 2066 ERR_print_errors(bio_err); 2067 ret=1; 2068 goto err; 2069 /* break; */ 2070 case SSL_ERROR_ZERO_RETURN: 2071 BIO_printf(bio_s_out,"DONE\n"); 2072 ret=1; 2073 goto err; 2074 } 2075 l+=k; 2076 i-=k; 2077 if (i <= 0) break; 2078 } 2079 } 2080 if (read_from_sslcon) 2081 { 2082 if (!SSL_is_init_finished(con)) 2083 { 2084 i=init_ssl_connection(con); 2085 2086 if (i < 0) 2087 { 2088 ret=0; 2089 goto err; 2090 } 2091 else if (i == 0) 2092 { 2093 ret=1; 2094 goto err; 2095 } 2096 } 2097 else 2098 { 2099 again: 2100 i=SSL_read(con,(char *)buf,bufsize); 2101 switch (SSL_get_error(con,i)) 2102 { 2103 case SSL_ERROR_NONE: 2104 #ifdef CHARSET_EBCDIC 2105 ascii2ebcdic(buf,buf,i); 2106 #endif 2107 raw_write_stdout(buf, 2108 (unsigned int)i); 2109 if (SSL_pending(con)) goto again; 2110 break; 2111 case SSL_ERROR_WANT_WRITE: 2112 case SSL_ERROR_WANT_READ: 2113 case SSL_ERROR_WANT_X509_LOOKUP: 2114 BIO_printf(bio_s_out,"Read BLOCK\n"); 2115 break; 2116 case SSL_ERROR_SYSCALL: 2117 case SSL_ERROR_SSL: 2118 BIO_printf(bio_s_out,"ERROR\n"); 2119 ERR_print_errors(bio_err); 2120 ret=1; 2121 goto err; 2122 case SSL_ERROR_ZERO_RETURN: 2123 BIO_printf(bio_s_out,"DONE\n"); 2124 ret=1; 2125 goto err; 2126 } 2127 } 2128 } 2129 } 2130 err: 2131 if (con != NULL) 2132 { 2133 BIO_printf(bio_s_out,"shutting down SSL\n"); 2134 #if 1 2135 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2136 #else 2137 SSL_shutdown(con); 2138 #endif 2139 SSL_free(con); 2140 } 2141 BIO_printf(bio_s_out,"CONNECTION CLOSED\n"); 2142 if (buf != NULL) 2143 { 2144 OPENSSL_cleanse(buf,bufsize); 2145 OPENSSL_free(buf); 2146 } 2147 if (ret >= 0) 2148 BIO_printf(bio_s_out,"ACCEPT\n"); 2149 return(ret); 2150 } 2151 2152 static void close_accept_socket(void) 2153 { 2154 BIO_printf(bio_err,"shutdown accept socket\n"); 2155 if (accept_socket >= 0) 2156 { 2157 SHUTDOWN2(accept_socket); 2158 } 2159 } 2160 2161 static int init_ssl_connection(SSL *con) 2162 { 2163 int i; 2164 const char *str; 2165 X509 *peer; 2166 long verify_error; 2167 MS_STATIC char buf[BUFSIZ]; 2168 2169 if ((i=SSL_accept(con)) <= 0) 2170 { 2171 if (BIO_sock_should_retry(i)) 2172 { 2173 BIO_printf(bio_s_out,"DELAY\n"); 2174 return(1); 2175 } 2176 2177 BIO_printf(bio_err,"ERROR\n"); 2178 verify_error=SSL_get_verify_result(con); 2179 if (verify_error != X509_V_OK) 2180 { 2181 BIO_printf(bio_err,"verify error:%s\n", 2182 X509_verify_cert_error_string(verify_error)); 2183 } 2184 else 2185 ERR_print_errors(bio_err); 2186 return(0); 2187 } 2188 2189 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con)); 2190 2191 peer=SSL_get_peer_certificate(con); 2192 if (peer != NULL) 2193 { 2194 BIO_printf(bio_s_out,"Client certificate\n"); 2195 PEM_write_bio_X509(bio_s_out,peer); 2196 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf); 2197 BIO_printf(bio_s_out,"subject=%s\n",buf); 2198 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf); 2199 BIO_printf(bio_s_out,"issuer=%s\n",buf); 2200 X509_free(peer); 2201 } 2202 2203 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL) 2204 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf); 2205 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2206 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)"); 2207 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n"); 2208 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) & 2209 TLS1_FLAGS_TLS_PADDING_BUG) 2210 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n"); 2211 #ifndef OPENSSL_NO_KRB5 2212 if (con->kssl_ctx->client_princ != NULL) 2213 { 2214 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n", 2215 con->kssl_ctx->client_princ); 2216 } 2217 #endif /* OPENSSL_NO_KRB5 */ 2218 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2219 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2220 return(1); 2221 } 2222 2223 #ifndef OPENSSL_NO_DH 2224 static DH *load_dh_param(const char *dhfile) 2225 { 2226 DH *ret=NULL; 2227 BIO *bio; 2228 2229 if ((bio=BIO_new_file(dhfile,"r")) == NULL) 2230 goto err; 2231 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL); 2232 err: 2233 if (bio != NULL) BIO_free(bio); 2234 return(ret); 2235 } 2236 #endif 2237 2238 #if 0 2239 static int load_CA(SSL_CTX *ctx, char *file) 2240 { 2241 FILE *in; 2242 X509 *x=NULL; 2243 2244 if ((in=fopen(file,"r")) == NULL) 2245 return(0); 2246 2247 for (;;) 2248 { 2249 if (PEM_read_X509(in,&x,NULL) == NULL) 2250 break; 2251 SSL_CTX_add_client_CA(ctx,x); 2252 } 2253 if (x != NULL) X509_free(x); 2254 fclose(in); 2255 return(1); 2256 } 2257 #endif 2258 2259 static int www_body(char *hostname, int s, unsigned char *context) 2260 { 2261 char *buf=NULL; 2262 int ret=1; 2263 int i,j,k,blank,dot; 2264 SSL *con; 2265 const SSL_CIPHER *c; 2266 BIO *io,*ssl_bio,*sbio; 2267 long total_bytes; 2268 2269 buf=OPENSSL_malloc(bufsize); 2270 if (buf == NULL) return(0); 2271 io=BIO_new(BIO_f_buffer()); 2272 ssl_bio=BIO_new(BIO_f_ssl()); 2273 if ((io == NULL) || (ssl_bio == NULL)) goto err; 2274 2275 #ifdef FIONBIO 2276 if (s_nbio) 2277 { 2278 unsigned long sl=1; 2279 2280 if (!s_quiet) 2281 BIO_printf(bio_err,"turning on non blocking io\n"); 2282 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 2283 ERR_print_errors(bio_err); 2284 } 2285 #endif 2286 2287 /* lets make the output buffer a reasonable size */ 2288 if (!BIO_set_write_buffer_size(io,bufsize)) goto err; 2289 2290 if ((con=SSL_new(ctx)) == NULL) goto err; 2291 #ifndef OPENSSL_NO_TLSEXT 2292 if (s_tlsextdebug) 2293 { 2294 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2295 SSL_set_tlsext_debug_arg(con, bio_s_out); 2296 } 2297 #endif 2298 #ifndef OPENSSL_NO_KRB5 2299 if ((con->kssl_ctx = kssl_ctx_new()) != NULL) 2300 { 2301 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC); 2302 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB); 2303 } 2304 #endif /* OPENSSL_NO_KRB5 */ 2305 if(context) SSL_set_session_id_context(con, context, 2306 strlen((char *)context)); 2307 2308 sbio=BIO_new_socket(s,BIO_NOCLOSE); 2309 if (s_nbio_test) 2310 { 2311 BIO *test; 2312 2313 test=BIO_new(BIO_f_nbio_test()); 2314 sbio=BIO_push(test,sbio); 2315 } 2316 SSL_set_bio(con,sbio,sbio); 2317 SSL_set_accept_state(con); 2318 2319 /* SSL_set_fd(con,s); */ 2320 BIO_set_ssl(ssl_bio,con,BIO_CLOSE); 2321 BIO_push(io,ssl_bio); 2322 #ifdef CHARSET_EBCDIC 2323 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io); 2324 #endif 2325 2326 if (s_debug) 2327 { 2328 con->debug=1; 2329 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 2330 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 2331 } 2332 if (s_msg) 2333 { 2334 SSL_set_msg_callback(con, msg_cb); 2335 SSL_set_msg_callback_arg(con, bio_s_out); 2336 } 2337 2338 blank=0; 2339 for (;;) 2340 { 2341 if (hack) 2342 { 2343 i=SSL_accept(con); 2344 2345 switch (SSL_get_error(con,i)) 2346 { 2347 case SSL_ERROR_NONE: 2348 break; 2349 case SSL_ERROR_WANT_WRITE: 2350 case SSL_ERROR_WANT_READ: 2351 case SSL_ERROR_WANT_X509_LOOKUP: 2352 continue; 2353 case SSL_ERROR_SYSCALL: 2354 case SSL_ERROR_SSL: 2355 case SSL_ERROR_ZERO_RETURN: 2356 ret=1; 2357 goto err; 2358 /* break; */ 2359 } 2360 2361 SSL_renegotiate(con); 2362 SSL_write(con,NULL,0); 2363 } 2364 2365 i=BIO_gets(io,buf,bufsize-1); 2366 if (i < 0) /* error */ 2367 { 2368 if (!BIO_should_retry(io)) 2369 { 2370 if (!s_quiet) 2371 ERR_print_errors(bio_err); 2372 goto err; 2373 } 2374 else 2375 { 2376 BIO_printf(bio_s_out,"read R BLOCK\n"); 2377 #if defined(OPENSSL_SYS_NETWARE) 2378 delay(1000); 2379 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2380 sleep(1); 2381 #endif 2382 continue; 2383 } 2384 } 2385 else if (i == 0) /* end of input */ 2386 { 2387 ret=1; 2388 goto end; 2389 } 2390 2391 /* else we have data */ 2392 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) || 2393 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0))) 2394 { 2395 char *p; 2396 X509 *peer; 2397 STACK_OF(SSL_CIPHER) *sk; 2398 static const char *space=" "; 2399 2400 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2401 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2402 BIO_puts(io,"<pre>\n"); 2403 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2404 BIO_puts(io,"\n"); 2405 for (i=0; i<local_argc; i++) 2406 { 2407 BIO_puts(io,local_argv[i]); 2408 BIO_write(io," ",1); 2409 } 2410 BIO_puts(io,"\n"); 2411 2412 /* The following is evil and should not really 2413 * be done */ 2414 BIO_printf(io,"Ciphers supported in s_server binary\n"); 2415 sk=SSL_get_ciphers(con); 2416 j=sk_SSL_CIPHER_num(sk); 2417 for (i=0; i<j; i++) 2418 { 2419 c=sk_SSL_CIPHER_value(sk,i); 2420 BIO_printf(io,"%-11s:%-25s", 2421 SSL_CIPHER_get_version(c), 2422 SSL_CIPHER_get_name(c)); 2423 if ((((i+1)%2) == 0) && (i+1 != j)) 2424 BIO_puts(io,"\n"); 2425 } 2426 BIO_puts(io,"\n"); 2427 p=SSL_get_shared_ciphers(con,buf,bufsize); 2428 if (p != NULL) 2429 { 2430 BIO_printf(io,"---\nCiphers common between both SSL end points:\n"); 2431 j=i=0; 2432 while (*p) 2433 { 2434 if (*p == ':') 2435 { 2436 BIO_write(io,space,26-j); 2437 i++; 2438 j=0; 2439 BIO_write(io,((i%3)?" ":"\n"),1); 2440 } 2441 else 2442 { 2443 BIO_write(io,p,1); 2444 j++; 2445 } 2446 p++; 2447 } 2448 BIO_puts(io,"\n"); 2449 } 2450 BIO_printf(io,((con->hit) 2451 ?"---\nReused, " 2452 :"---\nNew, ")); 2453 c=SSL_get_current_cipher(con); 2454 BIO_printf(io,"%s, Cipher is %s\n", 2455 SSL_CIPHER_get_version(c), 2456 SSL_CIPHER_get_name(c)); 2457 SSL_SESSION_print(io,SSL_get_session(con)); 2458 BIO_printf(io,"---\n"); 2459 print_stats(io,SSL_get_SSL_CTX(con)); 2460 BIO_printf(io,"---\n"); 2461 peer=SSL_get_peer_certificate(con); 2462 if (peer != NULL) 2463 { 2464 BIO_printf(io,"Client certificate\n"); 2465 X509_print(io,peer); 2466 PEM_write_bio_X509(io,peer); 2467 } 2468 else 2469 BIO_puts(io,"no client certificate available\n"); 2470 BIO_puts(io,"</BODY></HTML>\r\n\r\n"); 2471 break; 2472 } 2473 else if ((www == 2 || www == 3) 2474 && (strncmp("GET /",buf,5) == 0)) 2475 { 2476 BIO *file; 2477 char *p,*e; 2478 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 2479 2480 /* skip the '/' */ 2481 p= &(buf[5]); 2482 2483 dot = 1; 2484 for (e=p; *e != '\0'; e++) 2485 { 2486 if (e[0] == ' ') 2487 break; 2488 2489 switch (dot) 2490 { 2491 case 1: 2492 dot = (e[0] == '.') ? 2 : 0; 2493 break; 2494 case 2: 2495 dot = (e[0] == '.') ? 3 : 0; 2496 break; 2497 case 3: 2498 dot = (e[0] == '/') ? -1 : 0; 2499 break; 2500 } 2501 if (dot == 0) 2502 dot = (e[0] == '/') ? 1 : 0; 2503 } 2504 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */ 2505 2506 if (*e == '\0') 2507 { 2508 BIO_puts(io,text); 2509 BIO_printf(io,"'%s' is an invalid file name\r\n",p); 2510 break; 2511 } 2512 *e='\0'; 2513 2514 if (dot) 2515 { 2516 BIO_puts(io,text); 2517 BIO_printf(io,"'%s' contains '..' reference\r\n",p); 2518 break; 2519 } 2520 2521 if (*p == '/') 2522 { 2523 BIO_puts(io,text); 2524 BIO_printf(io,"'%s' is an invalid path\r\n",p); 2525 break; 2526 } 2527 2528 #if 0 2529 /* append if a directory lookup */ 2530 if (e[-1] == '/') 2531 strcat(p,"index.html"); 2532 #endif 2533 2534 /* if a directory, do the index thang */ 2535 if (app_isdir(p)>0) 2536 { 2537 #if 0 /* must check buffer size */ 2538 strcat(p,"/index.html"); 2539 #else 2540 BIO_puts(io,text); 2541 BIO_printf(io,"'%s' is a directory\r\n",p); 2542 break; 2543 #endif 2544 } 2545 2546 if ((file=BIO_new_file(p,"r")) == NULL) 2547 { 2548 BIO_puts(io,text); 2549 BIO_printf(io,"Error opening '%s'\r\n",p); 2550 ERR_print_errors(io); 2551 break; 2552 } 2553 2554 if (!s_quiet) 2555 BIO_printf(bio_err,"FILE:%s\n",p); 2556 2557 if (www == 2) 2558 { 2559 i=strlen(p); 2560 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) || 2561 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) || 2562 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0))) 2563 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2564 else 2565 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 2566 } 2567 /* send the file */ 2568 total_bytes=0; 2569 for (;;) 2570 { 2571 i=BIO_read(file,buf,bufsize); 2572 if (i <= 0) break; 2573 2574 #ifdef RENEG 2575 total_bytes+=i; 2576 fprintf(stderr,"%d\n",i); 2577 if (total_bytes > 3*1024) 2578 { 2579 total_bytes=0; 2580 fprintf(stderr,"RENEGOTIATE\n"); 2581 SSL_renegotiate(con); 2582 } 2583 #endif 2584 2585 for (j=0; j<i; ) 2586 { 2587 #ifdef RENEG 2588 { static count=0; if (++count == 13) { SSL_renegotiate(con); } } 2589 #endif 2590 k=BIO_write(io,&(buf[j]),i-j); 2591 if (k <= 0) 2592 { 2593 if (!BIO_should_retry(io)) 2594 goto write_error; 2595 else 2596 { 2597 BIO_printf(bio_s_out,"rwrite W BLOCK\n"); 2598 } 2599 } 2600 else 2601 { 2602 j+=k; 2603 } 2604 } 2605 } 2606 write_error: 2607 BIO_free(file); 2608 break; 2609 } 2610 } 2611 2612 for (;;) 2613 { 2614 i=(int)BIO_flush(io); 2615 if (i <= 0) 2616 { 2617 if (!BIO_should_retry(io)) 2618 break; 2619 } 2620 else 2621 break; 2622 } 2623 end: 2624 #if 1 2625 /* make sure we re-use sessions */ 2626 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2627 #else 2628 /* This kills performance */ 2629 /* SSL_shutdown(con); A shutdown gets sent in the 2630 * BIO_free_all(io) procession */ 2631 #endif 2632 2633 err: 2634 2635 if (ret >= 0) 2636 BIO_printf(bio_s_out,"ACCEPT\n"); 2637 2638 if (buf != NULL) OPENSSL_free(buf); 2639 if (io != NULL) BIO_free_all(io); 2640 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 2641 return(ret); 2642 } 2643 2644 #ifndef OPENSSL_NO_RSA 2645 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 2646 { 2647 BIGNUM *bn = NULL; 2648 static RSA *rsa_tmp=NULL; 2649 2650 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 2651 BIO_printf(bio_err,"Allocation error in generating RSA key\n"); 2652 if (!rsa_tmp && bn) 2653 { 2654 if (!s_quiet) 2655 { 2656 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength); 2657 (void)BIO_flush(bio_err); 2658 } 2659 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 2660 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) 2661 { 2662 if(rsa_tmp) RSA_free(rsa_tmp); 2663 rsa_tmp = NULL; 2664 } 2665 if (!s_quiet) 2666 { 2667 BIO_printf(bio_err,"\n"); 2668 (void)BIO_flush(bio_err); 2669 } 2670 BN_free(bn); 2671 } 2672 return(rsa_tmp); 2673 } 2674 #endif 2675 2676 #define MAX_SESSION_ID_ATTEMPTS 10 2677 static int generate_session_id(const SSL *ssl, unsigned char *id, 2678 unsigned int *id_len) 2679 { 2680 unsigned int count = 0; 2681 do { 2682 RAND_pseudo_bytes(id, *id_len); 2683 /* Prefix the session_id with the required prefix. NB: If our 2684 * prefix is too long, clip it - but there will be worse effects 2685 * anyway, eg. the server could only possibly create 1 session 2686 * ID (ie. the prefix!) so all future session negotiations will 2687 * fail due to conflicts. */ 2688 memcpy(id, session_id_prefix, 2689 (strlen(session_id_prefix) < *id_len) ? 2690 strlen(session_id_prefix) : *id_len); 2691 } 2692 while(SSL_has_matching_session_id(ssl, id, *id_len) && 2693 (++count < MAX_SESSION_ID_ATTEMPTS)); 2694 if(count >= MAX_SESSION_ID_ATTEMPTS) 2695 return 0; 2696 return 1; 2697 } 2698