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) 1998-2001 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 /* Until the key-gen callbacks are modified to use newer prototypes, we allow 118 * deprecated functions for openssl-internal code */ 119 #ifdef OPENSSL_NO_DEPRECATED 120 #undef OPENSSL_NO_DEPRECATED 121 #endif 122 123 #include <assert.h> 124 #include <stdio.h> 125 #include <stdlib.h> 126 #include <string.h> 127 128 #include <sys/stat.h> 129 #include <openssl/e_os2.h> 130 #ifdef OPENSSL_NO_STDIO 131 #define APPS_WIN16 132 #endif 133 134 #if !defined(OPENSSL_SYS_NETWARE) /* conflicts with winsock2 stuff on netware */ 135 #include <sys/types.h> 136 #endif 137 138 /* With IPv6, it looks like Digital has mixed up the proper order of 139 recursive header file inclusion, resulting in the compiler complaining 140 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which 141 is needed to have fileno() declared correctly... So let's define u_int */ 142 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 143 #define __U_INT 144 typedef unsigned int u_int; 145 #endif 146 147 #include <openssl/lhash.h> 148 #include <openssl/bn.h> 149 #define USE_SOCKETS 150 #include "apps.h" 151 #include <openssl/err.h> 152 #include <openssl/pem.h> 153 #include <openssl/x509.h> 154 #include <openssl/ssl.h> 155 #include <openssl/rand.h> 156 #include <openssl/ocsp.h> 157 #ifndef OPENSSL_NO_DH 158 #include <openssl/dh.h> 159 #endif 160 #ifndef OPENSSL_NO_RSA 161 #include <openssl/rsa.h> 162 #endif 163 #include "s_apps.h" 164 #include "timeouts.h" 165 166 #ifdef OPENSSL_SYS_WINCE 167 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */ 168 #ifdef fileno 169 #undef fileno 170 #endif 171 #define fileno(a) (int)_fileno(a) 172 #endif 173 174 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) 175 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ 176 #undef FIONBIO 177 #endif 178 179 #ifndef OPENSSL_NO_RSA 180 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength); 181 #endif 182 static int sv_body(char *hostname, int s, unsigned char *context); 183 static int www_body(char *hostname, int s, unsigned char *context); 184 static void close_accept_socket(void ); 185 static void sv_usage(void); 186 static int init_ssl_connection(SSL *s); 187 static void print_stats(BIO *bp,SSL_CTX *ctx); 188 static int generate_session_id(const SSL *ssl, unsigned char *id, 189 unsigned int *id_len); 190 #ifndef OPENSSL_NO_DH 191 static DH *load_dh_param(const char *dhfile); 192 static DH *get_dh512(void); 193 #endif 194 195 #ifdef MONOLITH 196 static void s_server_init(void); 197 #endif 198 199 #ifndef S_ISDIR 200 # if defined(_S_IFMT) && defined(_S_IFDIR) 201 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR) 202 # else 203 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR) 204 # endif 205 #endif 206 207 #ifndef OPENSSL_NO_DH 208 static unsigned char dh512_p[]={ 209 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75, 210 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F, 211 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3, 212 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12, 213 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C, 214 0x47,0x74,0xE8,0x33, 215 }; 216 static unsigned char dh512_g[]={ 217 0x02, 218 }; 219 220 static DH *get_dh512(void) 221 { 222 DH *dh=NULL; 223 224 if ((dh=DH_new()) == NULL) return(NULL); 225 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL); 226 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL); 227 if ((dh->p == NULL) || (dh->g == NULL)) 228 return(NULL); 229 return(dh); 230 } 231 #endif 232 233 234 /* static int load_CA(SSL_CTX *ctx, char *file);*/ 235 236 #undef BUFSIZZ 237 #define BUFSIZZ 16*1024 238 static int bufsize=BUFSIZZ; 239 static int accept_socket= -1; 240 241 #define TEST_CERT "server.pem" 242 #ifndef OPENSSL_NO_TLSEXT 243 #define TEST_CERT2 "server2.pem" 244 #endif 245 #undef PROG 246 #define PROG s_server_main 247 248 extern int verify_depth; 249 250 static char *cipher=NULL; 251 static int s_server_verify=SSL_VERIFY_NONE; 252 static int s_server_session_id_context = 1; /* anything will do */ 253 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL; 254 #ifndef OPENSSL_NO_TLSEXT 255 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL; 256 #endif 257 static char *s_dcert_file=NULL,*s_dkey_file=NULL; 258 #ifdef FIONBIO 259 static int s_nbio=0; 260 #endif 261 static int s_nbio_test=0; 262 int s_crlf=0; 263 static SSL_CTX *ctx=NULL; 264 #ifndef OPENSSL_NO_TLSEXT 265 static SSL_CTX *ctx2=NULL; 266 #endif 267 static int www=0; 268 269 static BIO *bio_s_out=NULL; 270 static int s_debug=0; 271 #ifndef OPENSSL_NO_TLSEXT 272 static int s_tlsextdebug=0; 273 static int s_tlsextstatus=0; 274 static int cert_status_cb(SSL *s, void *arg); 275 #endif 276 static int s_msg=0; 277 static int s_quiet=0; 278 279 static int hack=0; 280 #ifndef OPENSSL_NO_ENGINE 281 static char *engine_id=NULL; 282 #endif 283 static const char *session_id_prefix=NULL; 284 285 static int enable_timeouts = 0; 286 #ifdef mtu 287 #undef mtu 288 #endif 289 static long mtu; 290 static int cert_chain = 0; 291 292 293 #ifdef MONOLITH 294 static void s_server_init(void) 295 { 296 accept_socket=-1; 297 cipher=NULL; 298 s_server_verify=SSL_VERIFY_NONE; 299 s_dcert_file=NULL; 300 s_dkey_file=NULL; 301 s_cert_file=TEST_CERT; 302 s_key_file=NULL; 303 #ifndef OPENSSL_NO_TLSEXT 304 s_cert_file2=TEST_CERT2; 305 s_key_file2=NULL; 306 ctx2=NULL; 307 #endif 308 #ifdef FIONBIO 309 s_nbio=0; 310 #endif 311 s_nbio_test=0; 312 ctx=NULL; 313 www=0; 314 315 bio_s_out=NULL; 316 s_debug=0; 317 s_msg=0; 318 s_quiet=0; 319 hack=0; 320 #ifndef OPENSSL_NO_ENGINE 321 engine_id=NULL; 322 #endif 323 } 324 #endif 325 326 static void sv_usage(void) 327 { 328 BIO_printf(bio_err,"usage: s_server [args ...]\n"); 329 BIO_printf(bio_err,"\n"); 330 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT); 331 BIO_printf(bio_err," -context arg - set session ID context\n"); 332 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); 333 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n"); 334 BIO_printf(bio_err," -cert arg - certificate file to use\n"); 335 BIO_printf(bio_err," (default is %s)\n",TEST_CERT); 336 BIO_printf(bio_err," -crl_check - check the peer certificate has not been revoked by its CA.\n" \ 337 " The CRL(s) are appended to the certificate file\n"); 338 BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \ 339 " or any other CRL in the CA chain. CRL(s) are appened to the\n" \ 340 " the certificate file.\n"); 341 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 342 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n"); 343 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT); 344 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 345 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 346 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n"); 347 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n"); 348 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n"); 349 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 350 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n"); 351 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 352 BIO_printf(bio_err," or a default set of parameters is used\n"); 353 #ifndef OPENSSL_NO_ECDH 354 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \ 355 " Use \"openssl ecparam -list_curves\" for all names\n" \ 356 " (default is sect163r2).\n"); 357 #endif 358 #ifdef FIONBIO 359 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 360 #endif 361 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n"); 362 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 363 BIO_printf(bio_err," -debug - Print more output\n"); 364 BIO_printf(bio_err," -msg - Show protocol messages\n"); 365 BIO_printf(bio_err," -state - Print the SSL states\n"); 366 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 367 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 368 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n"); 369 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 370 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n"); 371 BIO_printf(bio_err," -quiet - No server output\n"); 372 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n"); 373 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n"); 374 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n"); 375 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n"); 376 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n"); 377 BIO_printf(bio_err," -timeout - Enable timeouts\n"); 378 BIO_printf(bio_err," -mtu - Set MTU\n"); 379 BIO_printf(bio_err," -chain - Read a certificate chain\n"); 380 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n"); 381 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n"); 382 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n"); 383 #ifndef OPENSSL_NO_DH 384 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n"); 385 #endif 386 #ifndef OPENSSL_NO_ECDH 387 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n"); 388 #endif 389 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n"); 390 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n"); 391 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 392 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 393 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n"); 394 #ifndef OPENSSL_NO_ENGINE 395 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 396 #endif 397 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 398 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 399 #ifndef OPENSSL_NO_TLSEXT 400 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n"); 401 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 402 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n"); 403 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2); 404 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n"); 405 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2); 406 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 407 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 408 #endif 409 } 410 411 static int local_argc=0; 412 static char **local_argv; 413 414 #ifdef CHARSET_EBCDIC 415 static int ebcdic_new(BIO *bi); 416 static int ebcdic_free(BIO *a); 417 static int ebcdic_read(BIO *b, char *out, int outl); 418 static int ebcdic_write(BIO *b, const char *in, int inl); 419 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 420 static int ebcdic_gets(BIO *bp, char *buf, int size); 421 static int ebcdic_puts(BIO *bp, const char *str); 422 423 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 424 static BIO_METHOD methods_ebcdic= 425 { 426 BIO_TYPE_EBCDIC_FILTER, 427 "EBCDIC/ASCII filter", 428 ebcdic_write, 429 ebcdic_read, 430 ebcdic_puts, 431 ebcdic_gets, 432 ebcdic_ctrl, 433 ebcdic_new, 434 ebcdic_free, 435 }; 436 437 typedef struct 438 { 439 size_t alloced; 440 char buff[1]; 441 } EBCDIC_OUTBUFF; 442 443 BIO_METHOD *BIO_f_ebcdic_filter() 444 { 445 return(&methods_ebcdic); 446 } 447 448 static int ebcdic_new(BIO *bi) 449 { 450 EBCDIC_OUTBUFF *wbuf; 451 452 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 453 wbuf->alloced = 1024; 454 wbuf->buff[0] = '\0'; 455 456 bi->ptr=(char *)wbuf; 457 bi->init=1; 458 bi->flags=0; 459 return(1); 460 } 461 462 static int ebcdic_free(BIO *a) 463 { 464 if (a == NULL) return(0); 465 if (a->ptr != NULL) 466 OPENSSL_free(a->ptr); 467 a->ptr=NULL; 468 a->init=0; 469 a->flags=0; 470 return(1); 471 } 472 473 static int ebcdic_read(BIO *b, char *out, int outl) 474 { 475 int ret=0; 476 477 if (out == NULL || outl == 0) return(0); 478 if (b->next_bio == NULL) return(0); 479 480 ret=BIO_read(b->next_bio,out,outl); 481 if (ret > 0) 482 ascii2ebcdic(out,out,ret); 483 return(ret); 484 } 485 486 static int ebcdic_write(BIO *b, const char *in, int inl) 487 { 488 EBCDIC_OUTBUFF *wbuf; 489 int ret=0; 490 int num; 491 unsigned char n; 492 493 if ((in == NULL) || (inl <= 0)) return(0); 494 if (b->next_bio == NULL) return(0); 495 496 wbuf=(EBCDIC_OUTBUFF *)b->ptr; 497 498 if (inl > (num = wbuf->alloced)) 499 { 500 num = num + num; /* double the size */ 501 if (num < inl) 502 num = inl; 503 OPENSSL_free(wbuf); 504 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 505 506 wbuf->alloced = num; 507 wbuf->buff[0] = '\0'; 508 509 b->ptr=(char *)wbuf; 510 } 511 512 ebcdic2ascii(wbuf->buff, in, inl); 513 514 ret=BIO_write(b->next_bio, wbuf->buff, inl); 515 516 return(ret); 517 } 518 519 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 520 { 521 long ret; 522 523 if (b->next_bio == NULL) return(0); 524 switch (cmd) 525 { 526 case BIO_CTRL_DUP: 527 ret=0L; 528 break; 529 default: 530 ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 531 break; 532 } 533 return(ret); 534 } 535 536 static int ebcdic_gets(BIO *bp, char *buf, int size) 537 { 538 int i, ret=0; 539 if (bp->next_bio == NULL) return(0); 540 /* return(BIO_gets(bp->next_bio,buf,size));*/ 541 for (i=0; i<size-1; ++i) 542 { 543 ret = ebcdic_read(bp,&buf[i],1); 544 if (ret <= 0) 545 break; 546 else if (buf[i] == '\n') 547 { 548 ++i; 549 break; 550 } 551 } 552 if (i < size) 553 buf[i] = '\0'; 554 return (ret < 0 && i == 0) ? ret : i; 555 } 556 557 static int ebcdic_puts(BIO *bp, const char *str) 558 { 559 if (bp->next_bio == NULL) return(0); 560 return ebcdic_write(bp, str, strlen(str)); 561 } 562 #endif 563 564 #ifndef OPENSSL_NO_TLSEXT 565 566 /* This is a context that we pass to callbacks */ 567 typedef struct tlsextctx_st { 568 char * servername; 569 BIO * biodebug; 570 int extension_error; 571 } tlsextctx; 572 573 574 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 575 { 576 tlsextctx * p = (tlsextctx *) arg; 577 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 578 if (servername && p->biodebug) 579 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername); 580 581 if (!p->servername) 582 return SSL_TLSEXT_ERR_NOACK; 583 584 if (servername) 585 { 586 if (strcmp(servername,p->servername)) 587 return p->extension_error; 588 if (ctx2) 589 { 590 BIO_printf(p->biodebug,"Swiching server context.\n"); 591 SSL_set_SSL_CTX(s,ctx2); 592 } 593 } 594 return SSL_TLSEXT_ERR_OK; 595 } 596 597 /* Structure passed to cert status callback */ 598 599 typedef struct tlsextstatusctx_st { 600 /* Default responder to use */ 601 char *host, *path, *port; 602 int use_ssl; 603 int timeout; 604 BIO *err; 605 int verbose; 606 } tlsextstatusctx; 607 608 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0}; 609 610 /* Certificate Status callback. This is called when a client includes a 611 * certificate status request extension. 612 * 613 * This is a simplified version. It examines certificates each time and 614 * makes one OCSP responder query for each request. 615 * 616 * A full version would store details such as the OCSP certificate IDs and 617 * minimise the number of OCSP responses by caching them until they were 618 * considered "expired". 619 */ 620 621 static int cert_status_cb(SSL *s, void *arg) 622 { 623 tlsextstatusctx *srctx = arg; 624 BIO *err = srctx->err; 625 char *host, *port, *path; 626 int use_ssl; 627 unsigned char *rspder = NULL; 628 int rspderlen; 629 STACK *aia = NULL; 630 X509 *x = NULL; 631 X509_STORE_CTX inctx; 632 X509_OBJECT obj; 633 OCSP_REQUEST *req = NULL; 634 OCSP_RESPONSE *resp = NULL; 635 OCSP_CERTID *id = NULL; 636 STACK_OF(X509_EXTENSION) *exts; 637 int ret = SSL_TLSEXT_ERR_NOACK; 638 int i; 639 #if 0 640 STACK_OF(OCSP_RESPID) *ids; 641 SSL_get_tlsext_status_ids(s, &ids); 642 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids)); 643 #endif 644 if (srctx->verbose) 645 BIO_puts(err, "cert_status: callback called\n"); 646 /* Build up OCSP query from server certificate */ 647 x = SSL_get_certificate(s); 648 aia = X509_get1_ocsp(x); 649 if (aia) 650 { 651 if (!OCSP_parse_url(sk_value(aia, 0), 652 &host, &port, &path, &use_ssl)) 653 { 654 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 655 goto err; 656 } 657 if (srctx->verbose) 658 BIO_printf(err, "cert_status: AIA URL: %s\n", 659 sk_value(aia, 0)); 660 } 661 else 662 { 663 if (!srctx->host) 664 { 665 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n"); 666 goto done; 667 } 668 host = srctx->host; 669 path = srctx->path; 670 port = srctx->port; 671 use_ssl = srctx->use_ssl; 672 } 673 674 if (!X509_STORE_CTX_init(&inctx, 675 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 676 NULL, NULL)) 677 goto err; 678 if (X509_STORE_get_by_subject(&inctx,X509_LU_X509, 679 X509_get_issuer_name(x),&obj) <= 0) 680 { 681 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 682 X509_STORE_CTX_cleanup(&inctx); 683 goto done; 684 } 685 req = OCSP_REQUEST_new(); 686 if (!req) 687 goto err; 688 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 689 X509_free(obj.data.x509); 690 X509_STORE_CTX_cleanup(&inctx); 691 if (!id) 692 goto err; 693 if (!OCSP_request_add0_id(req, id)) 694 goto err; 695 id = NULL; 696 /* Add any extensions to the request */ 697 SSL_get_tlsext_status_exts(s, &exts); 698 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) 699 { 700 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 701 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 702 goto err; 703 } 704 resp = process_responder(err, req, host, path, port, use_ssl, 705 srctx->timeout); 706 if (!resp) 707 { 708 BIO_puts(err, "cert_status: error querying responder\n"); 709 goto done; 710 } 711 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 712 if (rspderlen <= 0) 713 goto err; 714 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 715 if (srctx->verbose) 716 { 717 BIO_puts(err, "cert_status: ocsp response sent:\n"); 718 OCSP_RESPONSE_print(err, resp, 2); 719 } 720 ret = SSL_TLSEXT_ERR_OK; 721 done: 722 if (ret != SSL_TLSEXT_ERR_OK) 723 ERR_print_errors(err); 724 if (aia) 725 { 726 OPENSSL_free(host); 727 OPENSSL_free(path); 728 OPENSSL_free(port); 729 X509_email_free(aia); 730 } 731 if (id) 732 OCSP_CERTID_free(id); 733 if (req) 734 OCSP_REQUEST_free(req); 735 if (resp) 736 OCSP_RESPONSE_free(resp); 737 return ret; 738 err: 739 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 740 goto done; 741 } 742 #endif 743 int MAIN(int, char **); 744 745 #ifndef OPENSSL_NO_JPAKE 746 static char *jpake_secret = NULL; 747 #endif 748 749 int MAIN(int argc, char *argv[]) 750 { 751 X509_STORE *store = NULL; 752 int vflags = 0; 753 short port=PORT; 754 char *CApath=NULL,*CAfile=NULL; 755 unsigned char *context = NULL; 756 char *dhfile = NULL; 757 #ifndef OPENSSL_NO_ECDH 758 char *named_curve = NULL; 759 #endif 760 int badop=0,bugs=0; 761 int ret=1; 762 int off=0; 763 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0; 764 int state=0; 765 SSL_METHOD *meth=NULL; 766 int socket_type=SOCK_STREAM; 767 ENGINE *e=NULL; 768 char *inrand=NULL; 769 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 770 char *passarg = NULL, *pass = NULL; 771 char *dpassarg = NULL, *dpass = NULL; 772 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 773 X509 *s_cert = NULL, *s_dcert = NULL; 774 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 775 #ifndef OPENSSL_NO_TLSEXT 776 EVP_PKEY *s_key2 = NULL; 777 X509 *s_cert2 = NULL; 778 #endif 779 #ifndef OPENSSL_NO_TLSEXT 780 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING}; 781 #endif 782 783 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 784 meth=SSLv23_server_method(); 785 #elif !defined(OPENSSL_NO_SSL3) 786 meth=SSLv3_server_method(); 787 #elif !defined(OPENSSL_NO_SSL2) 788 meth=SSLv2_server_method(); 789 #endif 790 791 local_argc=argc; 792 local_argv=argv; 793 794 apps_startup(); 795 #ifdef MONOLITH 796 s_server_init(); 797 #endif 798 799 if (bio_err == NULL) 800 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 801 802 if (!load_config(bio_err, NULL)) 803 goto end; 804 805 verify_depth=0; 806 #ifdef FIONBIO 807 s_nbio=0; 808 #endif 809 s_nbio_test=0; 810 811 argc--; 812 argv++; 813 814 while (argc >= 1) 815 { 816 if ((strcmp(*argv,"-port") == 0) || 817 (strcmp(*argv,"-accept") == 0)) 818 { 819 if (--argc < 1) goto bad; 820 if (!extract_port(*(++argv),&port)) 821 goto bad; 822 } 823 else if (strcmp(*argv,"-verify") == 0) 824 { 825 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE; 826 if (--argc < 1) goto bad; 827 verify_depth=atoi(*(++argv)); 828 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 829 } 830 else if (strcmp(*argv,"-Verify") == 0) 831 { 832 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT| 833 SSL_VERIFY_CLIENT_ONCE; 834 if (--argc < 1) goto bad; 835 verify_depth=atoi(*(++argv)); 836 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth); 837 } 838 else if (strcmp(*argv,"-context") == 0) 839 { 840 if (--argc < 1) goto bad; 841 context= (unsigned char *)*(++argv); 842 } 843 else if (strcmp(*argv,"-cert") == 0) 844 { 845 if (--argc < 1) goto bad; 846 s_cert_file= *(++argv); 847 } 848 else if (strcmp(*argv,"-certform") == 0) 849 { 850 if (--argc < 1) goto bad; 851 s_cert_format = str2fmt(*(++argv)); 852 } 853 else if (strcmp(*argv,"-key") == 0) 854 { 855 if (--argc < 1) goto bad; 856 s_key_file= *(++argv); 857 } 858 else if (strcmp(*argv,"-keyform") == 0) 859 { 860 if (--argc < 1) goto bad; 861 s_key_format = str2fmt(*(++argv)); 862 } 863 else if (strcmp(*argv,"-pass") == 0) 864 { 865 if (--argc < 1) goto bad; 866 passarg = *(++argv); 867 } 868 else if (strcmp(*argv,"-dhparam") == 0) 869 { 870 if (--argc < 1) goto bad; 871 dhfile = *(++argv); 872 } 873 #ifndef OPENSSL_NO_ECDH 874 else if (strcmp(*argv,"-named_curve") == 0) 875 { 876 if (--argc < 1) goto bad; 877 named_curve = *(++argv); 878 } 879 #endif 880 else if (strcmp(*argv,"-dcertform") == 0) 881 { 882 if (--argc < 1) goto bad; 883 s_dcert_format = str2fmt(*(++argv)); 884 } 885 else if (strcmp(*argv,"-dcert") == 0) 886 { 887 if (--argc < 1) goto bad; 888 s_dcert_file= *(++argv); 889 } 890 else if (strcmp(*argv,"-dkeyform") == 0) 891 { 892 if (--argc < 1) goto bad; 893 s_dkey_format = str2fmt(*(++argv)); 894 } 895 else if (strcmp(*argv,"-dpass") == 0) 896 { 897 if (--argc < 1) goto bad; 898 dpassarg = *(++argv); 899 } 900 else if (strcmp(*argv,"-dkey") == 0) 901 { 902 if (--argc < 1) goto bad; 903 s_dkey_file= *(++argv); 904 } 905 else if (strcmp(*argv,"-nocert") == 0) 906 { 907 nocert=1; 908 } 909 else if (strcmp(*argv,"-CApath") == 0) 910 { 911 if (--argc < 1) goto bad; 912 CApath= *(++argv); 913 } 914 else if (strcmp(*argv,"-crl_check") == 0) 915 { 916 vflags |= X509_V_FLAG_CRL_CHECK; 917 } 918 else if (strcmp(*argv,"-crl_check_all") == 0) 919 { 920 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL; 921 } 922 else if (strcmp(*argv,"-serverpref") == 0) 923 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; } 924 else if (strcmp(*argv,"-cipher") == 0) 925 { 926 if (--argc < 1) goto bad; 927 cipher= *(++argv); 928 } 929 else if (strcmp(*argv,"-CAfile") == 0) 930 { 931 if (--argc < 1) goto bad; 932 CAfile= *(++argv); 933 } 934 #ifdef FIONBIO 935 else if (strcmp(*argv,"-nbio") == 0) 936 { s_nbio=1; } 937 #endif 938 else if (strcmp(*argv,"-nbio_test") == 0) 939 { 940 #ifdef FIONBIO 941 s_nbio=1; 942 #endif 943 s_nbio_test=1; 944 } 945 else if (strcmp(*argv,"-debug") == 0) 946 { s_debug=1; } 947 #ifndef OPENSSL_NO_TLSEXT 948 else if (strcmp(*argv,"-tlsextdebug") == 0) 949 s_tlsextdebug=1; 950 else if (strcmp(*argv,"-status") == 0) 951 s_tlsextstatus=1; 952 else if (strcmp(*argv,"-status_verbose") == 0) 953 { 954 s_tlsextstatus=1; 955 tlscstatp.verbose = 1; 956 } 957 else if (!strcmp(*argv, "-status_timeout")) 958 { 959 s_tlsextstatus=1; 960 if (--argc < 1) goto bad; 961 tlscstatp.timeout = atoi(*(++argv)); 962 } 963 else if (!strcmp(*argv, "-status_url")) 964 { 965 s_tlsextstatus=1; 966 if (--argc < 1) goto bad; 967 if (!OCSP_parse_url(*(++argv), 968 &tlscstatp.host, 969 &tlscstatp.port, 970 &tlscstatp.path, 971 &tlscstatp.use_ssl)) 972 { 973 BIO_printf(bio_err, "Error parsing URL\n"); 974 goto bad; 975 } 976 } 977 #endif 978 else if (strcmp(*argv,"-msg") == 0) 979 { s_msg=1; } 980 else if (strcmp(*argv,"-hack") == 0) 981 { hack=1; } 982 else if (strcmp(*argv,"-state") == 0) 983 { state=1; } 984 else if (strcmp(*argv,"-crlf") == 0) 985 { s_crlf=1; } 986 else if (strcmp(*argv,"-quiet") == 0) 987 { s_quiet=1; } 988 else if (strcmp(*argv,"-bugs") == 0) 989 { bugs=1; } 990 else if (strcmp(*argv,"-no_tmp_rsa") == 0) 991 { no_tmp_rsa=1; } 992 else if (strcmp(*argv,"-no_dhe") == 0) 993 { no_dhe=1; } 994 else if (strcmp(*argv,"-no_ecdhe") == 0) 995 { no_ecdhe=1; } 996 else if (strcmp(*argv,"-www") == 0) 997 { www=1; } 998 else if (strcmp(*argv,"-WWW") == 0) 999 { www=2; } 1000 else if (strcmp(*argv,"-HTTP") == 0) 1001 { www=3; } 1002 else if (strcmp(*argv,"-no_ssl2") == 0) 1003 { off|=SSL_OP_NO_SSLv2; } 1004 else if (strcmp(*argv,"-no_ssl3") == 0) 1005 { off|=SSL_OP_NO_SSLv3; } 1006 else if (strcmp(*argv,"-no_tls1") == 0) 1007 { off|=SSL_OP_NO_TLSv1; } 1008 #ifndef OPENSSL_NO_TLSEXT 1009 else if (strcmp(*argv,"-no_ticket") == 0) 1010 { off|=SSL_OP_NO_TICKET; } 1011 #endif 1012 #ifndef OPENSSL_NO_SSL2 1013 else if (strcmp(*argv,"-ssl2") == 0) 1014 { meth=SSLv2_server_method(); } 1015 #endif 1016 #ifndef OPENSSL_NO_SSL3 1017 else if (strcmp(*argv,"-ssl3") == 0) 1018 { meth=SSLv3_server_method(); } 1019 #endif 1020 #ifndef OPENSSL_NO_TLS1 1021 else if (strcmp(*argv,"-tls1") == 0) 1022 { meth=TLSv1_server_method(); } 1023 #endif 1024 #ifndef OPENSSL_NO_DTLS1 1025 else if (strcmp(*argv,"-dtls1") == 0) 1026 { 1027 meth=DTLSv1_server_method(); 1028 socket_type = SOCK_DGRAM; 1029 } 1030 else if (strcmp(*argv,"-timeout") == 0) 1031 enable_timeouts = 1; 1032 else if (strcmp(*argv,"-mtu") == 0) 1033 { 1034 if (--argc < 1) goto bad; 1035 mtu = atol(*(++argv)); 1036 } 1037 else if (strcmp(*argv, "-chain") == 0) 1038 cert_chain = 1; 1039 #endif 1040 else if (strcmp(*argv, "-id_prefix") == 0) 1041 { 1042 if (--argc < 1) goto bad; 1043 session_id_prefix = *(++argv); 1044 } 1045 #ifndef OPENSSL_NO_ENGINE 1046 else if (strcmp(*argv,"-engine") == 0) 1047 { 1048 if (--argc < 1) goto bad; 1049 engine_id= *(++argv); 1050 } 1051 #endif 1052 else if (strcmp(*argv,"-rand") == 0) 1053 { 1054 if (--argc < 1) goto bad; 1055 inrand= *(++argv); 1056 } 1057 #ifndef OPENSSL_NO_TLSEXT 1058 else if (strcmp(*argv,"-servername") == 0) 1059 { 1060 if (--argc < 1) goto bad; 1061 tlsextcbp.servername= *(++argv); 1062 } 1063 else if (strcmp(*argv,"-servername_fatal") == 0) 1064 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; } 1065 else if (strcmp(*argv,"-cert2") == 0) 1066 { 1067 if (--argc < 1) goto bad; 1068 s_cert_file2= *(++argv); 1069 } 1070 else if (strcmp(*argv,"-key2") == 0) 1071 { 1072 if (--argc < 1) goto bad; 1073 s_key_file2= *(++argv); 1074 } 1075 1076 #endif 1077 #ifndef OPENSSL_NO_JPAKE 1078 else if (strcmp(*argv,"-jpake") == 0) 1079 { 1080 if (--argc < 1) goto bad; 1081 jpake_secret = *(++argv); 1082 } 1083 #endif 1084 else 1085 { 1086 BIO_printf(bio_err,"unknown option %s\n",*argv); 1087 badop=1; 1088 break; 1089 } 1090 argc--; 1091 argv++; 1092 } 1093 if (badop) 1094 { 1095 bad: 1096 sv_usage(); 1097 goto end; 1098 } 1099 1100 SSL_load_error_strings(); 1101 OpenSSL_add_ssl_algorithms(); 1102 1103 #ifndef OPENSSL_NO_ENGINE 1104 e = setup_engine(bio_err, engine_id, 1); 1105 #endif 1106 1107 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) 1108 { 1109 BIO_printf(bio_err, "Error getting password\n"); 1110 goto end; 1111 } 1112 1113 1114 if (s_key_file == NULL) 1115 s_key_file = s_cert_file; 1116 #ifndef OPENSSL_NO_TLSEXT 1117 if (s_key_file2 == NULL) 1118 s_key_file2 = s_cert_file2; 1119 #endif 1120 1121 if (nocert == 0) 1122 { 1123 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1124 "server certificate private key file"); 1125 if (!s_key) 1126 { 1127 ERR_print_errors(bio_err); 1128 goto end; 1129 } 1130 1131 s_cert = load_cert(bio_err,s_cert_file,s_cert_format, 1132 NULL, e, "server certificate file"); 1133 1134 if (!s_cert) 1135 { 1136 ERR_print_errors(bio_err); 1137 goto end; 1138 } 1139 1140 #ifndef OPENSSL_NO_TLSEXT 1141 if (tlsextcbp.servername) 1142 { 1143 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1144 "second server certificate private key file"); 1145 if (!s_key2) 1146 { 1147 ERR_print_errors(bio_err); 1148 goto end; 1149 } 1150 1151 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format, 1152 NULL, e, "second server certificate file"); 1153 1154 if (!s_cert2) 1155 { 1156 ERR_print_errors(bio_err); 1157 goto end; 1158 } 1159 } 1160 #endif 1161 } 1162 if (s_dcert_file) 1163 { 1164 1165 if (s_dkey_file == NULL) 1166 s_dkey_file = s_dcert_file; 1167 1168 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1169 0, dpass, e, 1170 "second certificate private key file"); 1171 if (!s_dkey) 1172 { 1173 ERR_print_errors(bio_err); 1174 goto end; 1175 } 1176 1177 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format, 1178 NULL, e, "second server certificate file"); 1179 1180 if (!s_dcert) 1181 { 1182 ERR_print_errors(bio_err); 1183 goto end; 1184 } 1185 1186 } 1187 1188 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1189 && !RAND_status()) 1190 { 1191 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1192 } 1193 if (inrand != NULL) 1194 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1195 app_RAND_load_files(inrand)); 1196 1197 if (bio_s_out == NULL) 1198 { 1199 if (s_quiet && !s_debug && !s_msg) 1200 { 1201 bio_s_out=BIO_new(BIO_s_null()); 1202 } 1203 else 1204 { 1205 if (bio_s_out == NULL) 1206 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1207 } 1208 } 1209 1210 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1211 if (nocert) 1212 #endif 1213 { 1214 s_cert_file=NULL; 1215 s_key_file=NULL; 1216 s_dcert_file=NULL; 1217 s_dkey_file=NULL; 1218 #ifndef OPENSSL_NO_TLSEXT 1219 s_cert_file2=NULL; 1220 s_key_file2=NULL; 1221 #endif 1222 } 1223 1224 ctx=SSL_CTX_new(meth); 1225 if (ctx == NULL) 1226 { 1227 ERR_print_errors(bio_err); 1228 goto end; 1229 } 1230 if (session_id_prefix) 1231 { 1232 if(strlen(session_id_prefix) >= 32) 1233 BIO_printf(bio_err, 1234 "warning: id_prefix is too long, only one new session will be possible\n"); 1235 else if(strlen(session_id_prefix) >= 16) 1236 BIO_printf(bio_err, 1237 "warning: id_prefix is too long if you use SSLv2\n"); 1238 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) 1239 { 1240 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1241 ERR_print_errors(bio_err); 1242 goto end; 1243 } 1244 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1245 } 1246 SSL_CTX_set_quiet_shutdown(ctx,1); 1247 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL); 1248 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1249 SSL_CTX_set_options(ctx,off); 1250 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1251 * Setting read ahead solves this problem. 1252 */ 1253 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1254 1255 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1256 1257 SSL_CTX_sess_set_cache_size(ctx,128); 1258 1259 #if 0 1260 if (cipher == NULL) cipher=getenv("SSL_CIPHER"); 1261 #endif 1262 1263 #if 0 1264 if (s_cert_file == NULL) 1265 { 1266 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n"); 1267 goto end; 1268 } 1269 #endif 1270 1271 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1272 (!SSL_CTX_set_default_verify_paths(ctx))) 1273 { 1274 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1275 ERR_print_errors(bio_err); 1276 /* goto end; */ 1277 } 1278 store = SSL_CTX_get_cert_store(ctx); 1279 X509_STORE_set_flags(store, vflags); 1280 #ifndef OPENSSL_NO_TLSEXT 1281 if (s_cert2) 1282 { 1283 ctx2=SSL_CTX_new(meth); 1284 if (ctx2 == NULL) 1285 { 1286 ERR_print_errors(bio_err); 1287 goto end; 1288 } 1289 } 1290 1291 if (ctx2) 1292 { 1293 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n"); 1294 1295 if (session_id_prefix) 1296 { 1297 if(strlen(session_id_prefix) >= 32) 1298 BIO_printf(bio_err, 1299 "warning: id_prefix is too long, only one new session will be possible\n"); 1300 else if(strlen(session_id_prefix) >= 16) 1301 BIO_printf(bio_err, 1302 "warning: id_prefix is too long if you use SSLv2\n"); 1303 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) 1304 { 1305 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1306 ERR_print_errors(bio_err); 1307 goto end; 1308 } 1309 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1310 } 1311 SSL_CTX_set_quiet_shutdown(ctx2,1); 1312 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL); 1313 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1314 SSL_CTX_set_options(ctx2,off); 1315 1316 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1317 * Setting read ahead solves this problem. 1318 */ 1319 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1); 1320 1321 1322 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback); 1323 1324 SSL_CTX_sess_set_cache_size(ctx2,128); 1325 1326 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) || 1327 (!SSL_CTX_set_default_verify_paths(ctx2))) 1328 { 1329 ERR_print_errors(bio_err); 1330 } 1331 store = SSL_CTX_get_cert_store(ctx2); 1332 X509_STORE_set_flags(store, vflags); 1333 } 1334 #endif 1335 1336 1337 #ifndef OPENSSL_NO_DH 1338 if (!no_dhe) 1339 { 1340 DH *dh=NULL; 1341 1342 if (dhfile) 1343 dh = load_dh_param(dhfile); 1344 else if (s_cert_file) 1345 dh = load_dh_param(s_cert_file); 1346 1347 if (dh != NULL) 1348 { 1349 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1350 } 1351 else 1352 { 1353 BIO_printf(bio_s_out,"Using default temp DH parameters\n"); 1354 dh=get_dh512(); 1355 } 1356 (void)BIO_flush(bio_s_out); 1357 1358 SSL_CTX_set_tmp_dh(ctx,dh); 1359 #ifndef OPENSSL_NO_TLSEXT 1360 if (ctx2) 1361 { 1362 if (!dhfile) 1363 { 1364 DH *dh2=load_dh_param(s_cert_file2); 1365 if (dh2 != NULL) 1366 { 1367 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1368 (void)BIO_flush(bio_s_out); 1369 1370 DH_free(dh); 1371 dh = dh2; 1372 } 1373 } 1374 SSL_CTX_set_tmp_dh(ctx2,dh); 1375 } 1376 #endif 1377 DH_free(dh); 1378 } 1379 #endif 1380 1381 #ifndef OPENSSL_NO_ECDH 1382 if (!no_ecdhe) 1383 { 1384 EC_KEY *ecdh=NULL; 1385 1386 if (named_curve) 1387 { 1388 int nid = OBJ_sn2nid(named_curve); 1389 1390 if (nid == 0) 1391 { 1392 BIO_printf(bio_err, "unknown curve name (%s)\n", 1393 named_curve); 1394 goto end; 1395 } 1396 ecdh = EC_KEY_new_by_curve_name(nid); 1397 if (ecdh == NULL) 1398 { 1399 BIO_printf(bio_err, "unable to create curve (%s)\n", 1400 named_curve); 1401 goto end; 1402 } 1403 } 1404 1405 if (ecdh != NULL) 1406 { 1407 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n"); 1408 } 1409 else 1410 { 1411 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n"); 1412 ecdh = EC_KEY_new_by_curve_name(NID_sect163r2); 1413 if (ecdh == NULL) 1414 { 1415 BIO_printf(bio_err, "unable to create curve (sect163r2)\n"); 1416 goto end; 1417 } 1418 } 1419 (void)BIO_flush(bio_s_out); 1420 1421 SSL_CTX_set_tmp_ecdh(ctx,ecdh); 1422 #ifndef OPENSSL_NO_TLSEXT 1423 if (ctx2) 1424 SSL_CTX_set_tmp_ecdh(ctx2,ecdh); 1425 #endif 1426 EC_KEY_free(ecdh); 1427 } 1428 #endif 1429 1430 if (!set_cert_key_stuff(ctx,s_cert,s_key)) 1431 goto end; 1432 #ifndef OPENSSL_NO_TLSEXT 1433 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2)) 1434 goto end; 1435 #endif 1436 if (s_dcert != NULL) 1437 { 1438 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey)) 1439 goto end; 1440 } 1441 1442 #ifndef OPENSSL_NO_RSA 1443 #if 1 1444 if (!no_tmp_rsa) 1445 { 1446 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb); 1447 #ifndef OPENSSL_NO_TLSEXT 1448 if (ctx2) 1449 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb); 1450 #endif 1451 } 1452 #else 1453 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) 1454 { 1455 RSA *rsa; 1456 1457 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key..."); 1458 BIO_flush(bio_s_out); 1459 1460 rsa=RSA_generate_key(512,RSA_F4,NULL); 1461 1462 if (!SSL_CTX_set_tmp_rsa(ctx,rsa)) 1463 { 1464 ERR_print_errors(bio_err); 1465 goto end; 1466 } 1467 #ifndef OPENSSL_NO_TLSEXT 1468 if (ctx2) 1469 { 1470 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa)) 1471 { 1472 ERR_print_errors(bio_err); 1473 goto end; 1474 } 1475 } 1476 #endif 1477 RSA_free(rsa); 1478 BIO_printf(bio_s_out,"\n"); 1479 } 1480 #endif 1481 #endif 1482 1483 if (cipher != NULL) 1484 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1485 BIO_printf(bio_err,"error setting cipher list\n"); 1486 ERR_print_errors(bio_err); 1487 goto end; 1488 #ifndef OPENSSL_NO_TLSEXT 1489 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher)) 1490 { 1491 BIO_printf(bio_err,"error setting cipher list\n"); 1492 ERR_print_errors(bio_err); 1493 goto end; 1494 } 1495 #endif 1496 } 1497 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback); 1498 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context, 1499 sizeof s_server_session_id_context); 1500 1501 #ifndef OPENSSL_NO_TLSEXT 1502 if (ctx2) 1503 { 1504 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback); 1505 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context, 1506 sizeof s_server_session_id_context); 1507 1508 tlsextcbp.biodebug = bio_s_out; 1509 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 1510 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 1511 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1512 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1513 } 1514 #endif 1515 if (CAfile != NULL) 1516 { 1517 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile)); 1518 #ifndef OPENSSL_NO_TLSEXT 1519 if (ctx2) 1520 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile)); 1521 #endif 1522 } 1523 BIO_printf(bio_s_out,"ACCEPT\n"); 1524 if (www) 1525 do_server(port,socket_type,&accept_socket,www_body, context); 1526 else 1527 do_server(port,socket_type,&accept_socket,sv_body, context); 1528 print_stats(bio_s_out,ctx); 1529 ret=0; 1530 end: 1531 if (ctx != NULL) SSL_CTX_free(ctx); 1532 if (s_cert) 1533 X509_free(s_cert); 1534 if (s_dcert) 1535 X509_free(s_dcert); 1536 if (s_key) 1537 EVP_PKEY_free(s_key); 1538 if (s_dkey) 1539 EVP_PKEY_free(s_dkey); 1540 if (pass) 1541 OPENSSL_free(pass); 1542 if (dpass) 1543 OPENSSL_free(dpass); 1544 #ifndef OPENSSL_NO_TLSEXT 1545 if (ctx2 != NULL) SSL_CTX_free(ctx2); 1546 if (s_cert2) 1547 X509_free(s_cert2); 1548 if (s_key2) 1549 EVP_PKEY_free(s_key2); 1550 #endif 1551 if (bio_s_out != NULL) 1552 { 1553 BIO_free(bio_s_out); 1554 bio_s_out=NULL; 1555 } 1556 apps_shutdown(); 1557 OPENSSL_EXIT(ret); 1558 } 1559 1560 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 1561 { 1562 BIO_printf(bio,"%4ld items in the session cache\n", 1563 SSL_CTX_sess_number(ssl_ctx)); 1564 BIO_printf(bio,"%4ld client connects (SSL_connect())\n", 1565 SSL_CTX_sess_connect(ssl_ctx)); 1566 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n", 1567 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 1568 BIO_printf(bio,"%4ld client connects that finished\n", 1569 SSL_CTX_sess_connect_good(ssl_ctx)); 1570 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n", 1571 SSL_CTX_sess_accept(ssl_ctx)); 1572 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n", 1573 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 1574 BIO_printf(bio,"%4ld server accepts that finished\n", 1575 SSL_CTX_sess_accept_good(ssl_ctx)); 1576 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx)); 1577 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx)); 1578 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx)); 1579 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx)); 1580 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n", 1581 SSL_CTX_sess_cache_full(ssl_ctx), 1582 SSL_CTX_sess_get_cache_size(ssl_ctx)); 1583 } 1584 1585 static int sv_body(char *hostname, int s, unsigned char *context) 1586 { 1587 char *buf=NULL; 1588 fd_set readfds; 1589 int ret=1,width; 1590 int k,i; 1591 unsigned long l; 1592 SSL *con=NULL; 1593 BIO *sbio; 1594 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 1595 struct timeval tv; 1596 #endif 1597 1598 if ((buf=OPENSSL_malloc(bufsize)) == NULL) 1599 { 1600 BIO_printf(bio_err,"out of memory\n"); 1601 goto err; 1602 } 1603 #ifdef FIONBIO 1604 if (s_nbio) 1605 { 1606 unsigned long sl=1; 1607 1608 if (!s_quiet) 1609 BIO_printf(bio_err,"turning on non blocking io\n"); 1610 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 1611 ERR_print_errors(bio_err); 1612 } 1613 #endif 1614 1615 if (con == NULL) { 1616 con=SSL_new(ctx); 1617 #ifndef OPENSSL_NO_TLSEXT 1618 if (s_tlsextdebug) 1619 { 1620 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1621 SSL_set_tlsext_debug_arg(con, bio_s_out); 1622 } 1623 if (s_tlsextstatus) 1624 { 1625 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 1626 tlscstatp.err = bio_err; 1627 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 1628 } 1629 #endif 1630 #ifndef OPENSSL_NO_KRB5 1631 if ((con->kssl_ctx = kssl_ctx_new()) != NULL) 1632 { 1633 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, 1634 KRB5SVC); 1635 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, 1636 KRB5KEYTAB); 1637 } 1638 #endif /* OPENSSL_NO_KRB5 */ 1639 if(context) 1640 SSL_set_session_id_context(con, context, 1641 strlen((char *)context)); 1642 } 1643 SSL_clear(con); 1644 1645 if (SSL_version(con) == DTLS1_VERSION) 1646 { 1647 struct timeval timeout; 1648 1649 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1650 1651 if ( enable_timeouts) 1652 { 1653 timeout.tv_sec = 0; 1654 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1655 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1656 1657 timeout.tv_sec = 0; 1658 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1659 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1660 } 1661 1662 1663 if ( mtu > 0) 1664 { 1665 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1666 SSL_set_mtu(con, mtu); 1667 } 1668 else 1669 /* want to do MTU discovery */ 1670 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1671 1672 /* turn on cookie exchange */ 1673 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 1674 } 1675 else 1676 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1677 1678 if (s_nbio_test) 1679 { 1680 BIO *test; 1681 1682 test=BIO_new(BIO_f_nbio_test()); 1683 sbio=BIO_push(test,sbio); 1684 } 1685 #ifndef OPENSSL_NO_JPAKE 1686 if(jpake_secret) 1687 jpake_server_auth(bio_s_out, sbio, jpake_secret); 1688 #endif 1689 1690 SSL_set_bio(con,sbio,sbio); 1691 SSL_set_accept_state(con); 1692 /* SSL_set_fd(con,s); */ 1693 1694 if (s_debug) 1695 { 1696 con->debug=1; 1697 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 1698 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 1699 } 1700 if (s_msg) 1701 { 1702 SSL_set_msg_callback(con, msg_cb); 1703 SSL_set_msg_callback_arg(con, bio_s_out); 1704 } 1705 #ifndef OPENSSL_NO_TLSEXT 1706 if (s_tlsextdebug) 1707 { 1708 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1709 SSL_set_tlsext_debug_arg(con, bio_s_out); 1710 } 1711 #endif 1712 1713 width=s+1; 1714 for (;;) 1715 { 1716 int read_from_terminal; 1717 int read_from_sslcon; 1718 1719 read_from_terminal = 0; 1720 read_from_sslcon = SSL_pending(con); 1721 1722 if (!read_from_sslcon) 1723 { 1724 FD_ZERO(&readfds); 1725 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) 1726 FD_SET(fileno(stdin),&readfds); 1727 #endif 1728 FD_SET(s,&readfds); 1729 /* Note: under VMS with SOCKETSHR the second parameter is 1730 * currently of type (int *) whereas under other systems 1731 * it is (void *) if you don't have a cast it will choke 1732 * the compiler: if you do have a cast then you can either 1733 * go for (int *) or (void *). 1734 */ 1735 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 1736 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only 1737 * on sockets. As a workaround we timeout the select every 1738 * second and check for any keypress. In a proper Windows 1739 * application we wouldn't do this because it is inefficient. 1740 */ 1741 tv.tv_sec = 1; 1742 tv.tv_usec = 0; 1743 i=select(width,(void *)&readfds,NULL,NULL,&tv); 1744 if((i < 0) || (!i && !_kbhit() ) )continue; 1745 if(_kbhit()) 1746 read_from_terminal = 1; 1747 #else 1748 i=select(width,(void *)&readfds,NULL,NULL,NULL); 1749 if (i <= 0) continue; 1750 if (FD_ISSET(fileno(stdin),&readfds)) 1751 read_from_terminal = 1; 1752 #endif 1753 if (FD_ISSET(s,&readfds)) 1754 read_from_sslcon = 1; 1755 } 1756 if (read_from_terminal) 1757 { 1758 if (s_crlf) 1759 { 1760 int j, lf_num; 1761 1762 i=read(fileno(stdin), buf, bufsize/2); 1763 lf_num = 0; 1764 /* both loops are skipped when i <= 0 */ 1765 for (j = 0; j < i; j++) 1766 if (buf[j] == '\n') 1767 lf_num++; 1768 for (j = i-1; j >= 0; j--) 1769 { 1770 buf[j+lf_num] = buf[j]; 1771 if (buf[j] == '\n') 1772 { 1773 lf_num--; 1774 i++; 1775 buf[j+lf_num] = '\r'; 1776 } 1777 } 1778 assert(lf_num == 0); 1779 } 1780 else 1781 i=read(fileno(stdin),buf,bufsize); 1782 if (!s_quiet) 1783 { 1784 if ((i <= 0) || (buf[0] == 'Q')) 1785 { 1786 BIO_printf(bio_s_out,"DONE\n"); 1787 SHUTDOWN(s); 1788 close_accept_socket(); 1789 ret= -11; 1790 goto err; 1791 } 1792 if ((i <= 0) || (buf[0] == 'q')) 1793 { 1794 BIO_printf(bio_s_out,"DONE\n"); 1795 if (SSL_version(con) != DTLS1_VERSION) 1796 SHUTDOWN(s); 1797 /* close_accept_socket(); 1798 ret= -11;*/ 1799 goto err; 1800 } 1801 if ((buf[0] == 'r') && 1802 ((buf[1] == '\n') || (buf[1] == '\r'))) 1803 { 1804 SSL_renegotiate(con); 1805 i=SSL_do_handshake(con); 1806 printf("SSL_do_handshake -> %d\n",i); 1807 i=0; /*13; */ 1808 continue; 1809 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */ 1810 } 1811 if ((buf[0] == 'R') && 1812 ((buf[1] == '\n') || (buf[1] == '\r'))) 1813 { 1814 SSL_set_verify(con, 1815 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL); 1816 SSL_renegotiate(con); 1817 i=SSL_do_handshake(con); 1818 printf("SSL_do_handshake -> %d\n",i); 1819 i=0; /* 13; */ 1820 continue; 1821 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */ 1822 } 1823 if (buf[0] == 'P') 1824 { 1825 static const char *str="Lets print some clear text\n"; 1826 BIO_write(SSL_get_wbio(con),str,strlen(str)); 1827 } 1828 if (buf[0] == 'S') 1829 { 1830 print_stats(bio_s_out,SSL_get_SSL_CTX(con)); 1831 } 1832 } 1833 #ifdef CHARSET_EBCDIC 1834 ebcdic2ascii(buf,buf,i); 1835 #endif 1836 l=k=0; 1837 for (;;) 1838 { 1839 /* should do a select for the write */ 1840 #ifdef RENEG 1841 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } } 1842 #endif 1843 k=SSL_write(con,&(buf[l]),(unsigned int)i); 1844 switch (SSL_get_error(con,k)) 1845 { 1846 case SSL_ERROR_NONE: 1847 break; 1848 case SSL_ERROR_WANT_WRITE: 1849 case SSL_ERROR_WANT_READ: 1850 case SSL_ERROR_WANT_X509_LOOKUP: 1851 BIO_printf(bio_s_out,"Write BLOCK\n"); 1852 break; 1853 case SSL_ERROR_SYSCALL: 1854 case SSL_ERROR_SSL: 1855 BIO_printf(bio_s_out,"ERROR\n"); 1856 ERR_print_errors(bio_err); 1857 ret=1; 1858 goto err; 1859 /* break; */ 1860 case SSL_ERROR_ZERO_RETURN: 1861 BIO_printf(bio_s_out,"DONE\n"); 1862 ret=1; 1863 goto err; 1864 } 1865 l+=k; 1866 i-=k; 1867 if (i <= 0) break; 1868 } 1869 } 1870 if (read_from_sslcon) 1871 { 1872 if (!SSL_is_init_finished(con)) 1873 { 1874 i=init_ssl_connection(con); 1875 1876 if (i < 0) 1877 { 1878 ret=0; 1879 goto err; 1880 } 1881 else if (i == 0) 1882 { 1883 ret=1; 1884 goto err; 1885 } 1886 } 1887 else 1888 { 1889 again: 1890 i=SSL_read(con,(char *)buf,bufsize); 1891 switch (SSL_get_error(con,i)) 1892 { 1893 case SSL_ERROR_NONE: 1894 #ifdef CHARSET_EBCDIC 1895 ascii2ebcdic(buf,buf,i); 1896 #endif 1897 write(fileno(stdout),buf, 1898 (unsigned int)i); 1899 if (SSL_pending(con)) goto again; 1900 break; 1901 case SSL_ERROR_WANT_WRITE: 1902 case SSL_ERROR_WANT_READ: 1903 case SSL_ERROR_WANT_X509_LOOKUP: 1904 BIO_printf(bio_s_out,"Read BLOCK\n"); 1905 break; 1906 case SSL_ERROR_SYSCALL: 1907 case SSL_ERROR_SSL: 1908 BIO_printf(bio_s_out,"ERROR\n"); 1909 ERR_print_errors(bio_err); 1910 ret=1; 1911 goto err; 1912 case SSL_ERROR_ZERO_RETURN: 1913 BIO_printf(bio_s_out,"DONE\n"); 1914 ret=1; 1915 goto err; 1916 } 1917 } 1918 } 1919 } 1920 err: 1921 BIO_printf(bio_s_out,"shutting down SSL\n"); 1922 #if 1 1923 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 1924 #else 1925 SSL_shutdown(con); 1926 #endif 1927 if (con != NULL) SSL_free(con); 1928 BIO_printf(bio_s_out,"CONNECTION CLOSED\n"); 1929 if (buf != NULL) 1930 { 1931 OPENSSL_cleanse(buf,bufsize); 1932 OPENSSL_free(buf); 1933 } 1934 if (ret >= 0) 1935 BIO_printf(bio_s_out,"ACCEPT\n"); 1936 return(ret); 1937 } 1938 1939 static void close_accept_socket(void) 1940 { 1941 BIO_printf(bio_err,"shutdown accept socket\n"); 1942 if (accept_socket >= 0) 1943 { 1944 SHUTDOWN2(accept_socket); 1945 } 1946 } 1947 1948 static int init_ssl_connection(SSL *con) 1949 { 1950 int i; 1951 const char *str; 1952 X509 *peer; 1953 long verify_error; 1954 MS_STATIC char buf[BUFSIZ]; 1955 1956 if ((i=SSL_accept(con)) <= 0) 1957 { 1958 if (BIO_sock_should_retry(i)) 1959 { 1960 BIO_printf(bio_s_out,"DELAY\n"); 1961 return(1); 1962 } 1963 1964 BIO_printf(bio_err,"ERROR\n"); 1965 verify_error=SSL_get_verify_result(con); 1966 if (verify_error != X509_V_OK) 1967 { 1968 BIO_printf(bio_err,"verify error:%s\n", 1969 X509_verify_cert_error_string(verify_error)); 1970 } 1971 else 1972 ERR_print_errors(bio_err); 1973 return(0); 1974 } 1975 1976 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con)); 1977 1978 peer=SSL_get_peer_certificate(con); 1979 if (peer != NULL) 1980 { 1981 BIO_printf(bio_s_out,"Client certificate\n"); 1982 PEM_write_bio_X509(bio_s_out,peer); 1983 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf); 1984 BIO_printf(bio_s_out,"subject=%s\n",buf); 1985 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf); 1986 BIO_printf(bio_s_out,"issuer=%s\n",buf); 1987 X509_free(peer); 1988 } 1989 1990 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL) 1991 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf); 1992 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 1993 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)"); 1994 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n"); 1995 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) & 1996 TLS1_FLAGS_TLS_PADDING_BUG) 1997 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n"); 1998 #ifndef OPENSSL_NO_KRB5 1999 if (con->kssl_ctx->client_princ != NULL) 2000 { 2001 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n", 2002 con->kssl_ctx->client_princ); 2003 } 2004 #endif /* OPENSSL_NO_KRB5 */ 2005 return(1); 2006 } 2007 2008 #ifndef OPENSSL_NO_DH 2009 static DH *load_dh_param(const char *dhfile) 2010 { 2011 DH *ret=NULL; 2012 BIO *bio; 2013 2014 if ((bio=BIO_new_file(dhfile,"r")) == NULL) 2015 goto err; 2016 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL); 2017 err: 2018 if (bio != NULL) BIO_free(bio); 2019 return(ret); 2020 } 2021 #endif 2022 2023 #if 0 2024 static int load_CA(SSL_CTX *ctx, char *file) 2025 { 2026 FILE *in; 2027 X509 *x=NULL; 2028 2029 if ((in=fopen(file,"r")) == NULL) 2030 return(0); 2031 2032 for (;;) 2033 { 2034 if (PEM_read_X509(in,&x,NULL) == NULL) 2035 break; 2036 SSL_CTX_add_client_CA(ctx,x); 2037 } 2038 if (x != NULL) X509_free(x); 2039 fclose(in); 2040 return(1); 2041 } 2042 #endif 2043 2044 static int www_body(char *hostname, int s, unsigned char *context) 2045 { 2046 char *buf=NULL; 2047 int ret=1; 2048 int i,j,k,blank,dot; 2049 struct stat st_buf; 2050 SSL *con; 2051 SSL_CIPHER *c; 2052 BIO *io,*ssl_bio,*sbio; 2053 long total_bytes; 2054 2055 buf=OPENSSL_malloc(bufsize); 2056 if (buf == NULL) return(0); 2057 io=BIO_new(BIO_f_buffer()); 2058 ssl_bio=BIO_new(BIO_f_ssl()); 2059 if ((io == NULL) || (ssl_bio == NULL)) goto err; 2060 2061 #ifdef FIONBIO 2062 if (s_nbio) 2063 { 2064 unsigned long sl=1; 2065 2066 if (!s_quiet) 2067 BIO_printf(bio_err,"turning on non blocking io\n"); 2068 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 2069 ERR_print_errors(bio_err); 2070 } 2071 #endif 2072 2073 /* lets make the output buffer a reasonable size */ 2074 if (!BIO_set_write_buffer_size(io,bufsize)) goto err; 2075 2076 if ((con=SSL_new(ctx)) == NULL) goto err; 2077 #ifndef OPENSSL_NO_TLSEXT 2078 if (s_tlsextdebug) 2079 { 2080 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2081 SSL_set_tlsext_debug_arg(con, bio_s_out); 2082 } 2083 #endif 2084 #ifndef OPENSSL_NO_KRB5 2085 if ((con->kssl_ctx = kssl_ctx_new()) != NULL) 2086 { 2087 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC); 2088 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB); 2089 } 2090 #endif /* OPENSSL_NO_KRB5 */ 2091 if(context) SSL_set_session_id_context(con, context, 2092 strlen((char *)context)); 2093 2094 sbio=BIO_new_socket(s,BIO_NOCLOSE); 2095 if (s_nbio_test) 2096 { 2097 BIO *test; 2098 2099 test=BIO_new(BIO_f_nbio_test()); 2100 sbio=BIO_push(test,sbio); 2101 } 2102 SSL_set_bio(con,sbio,sbio); 2103 SSL_set_accept_state(con); 2104 2105 /* SSL_set_fd(con,s); */ 2106 BIO_set_ssl(ssl_bio,con,BIO_CLOSE); 2107 BIO_push(io,ssl_bio); 2108 #ifdef CHARSET_EBCDIC 2109 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io); 2110 #endif 2111 2112 if (s_debug) 2113 { 2114 con->debug=1; 2115 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 2116 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 2117 } 2118 if (s_msg) 2119 { 2120 SSL_set_msg_callback(con, msg_cb); 2121 SSL_set_msg_callback_arg(con, bio_s_out); 2122 } 2123 2124 blank=0; 2125 for (;;) 2126 { 2127 if (hack) 2128 { 2129 i=SSL_accept(con); 2130 2131 switch (SSL_get_error(con,i)) 2132 { 2133 case SSL_ERROR_NONE: 2134 break; 2135 case SSL_ERROR_WANT_WRITE: 2136 case SSL_ERROR_WANT_READ: 2137 case SSL_ERROR_WANT_X509_LOOKUP: 2138 continue; 2139 case SSL_ERROR_SYSCALL: 2140 case SSL_ERROR_SSL: 2141 case SSL_ERROR_ZERO_RETURN: 2142 ret=1; 2143 goto err; 2144 /* break; */ 2145 } 2146 2147 SSL_renegotiate(con); 2148 SSL_write(con,NULL,0); 2149 } 2150 2151 i=BIO_gets(io,buf,bufsize-1); 2152 if (i < 0) /* error */ 2153 { 2154 if (!BIO_should_retry(io)) 2155 { 2156 if (!s_quiet) 2157 ERR_print_errors(bio_err); 2158 goto err; 2159 } 2160 else 2161 { 2162 BIO_printf(bio_s_out,"read R BLOCK\n"); 2163 #if defined(OPENSSL_SYS_NETWARE) 2164 delay(1000); 2165 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2166 sleep(1); 2167 #endif 2168 continue; 2169 } 2170 } 2171 else if (i == 0) /* end of input */ 2172 { 2173 ret=1; 2174 goto end; 2175 } 2176 2177 /* else we have data */ 2178 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) || 2179 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0))) 2180 { 2181 char *p; 2182 X509 *peer; 2183 STACK_OF(SSL_CIPHER) *sk; 2184 static const char *space=" "; 2185 2186 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2187 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2188 BIO_puts(io,"<pre>\n"); 2189 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2190 BIO_puts(io,"\n"); 2191 for (i=0; i<local_argc; i++) 2192 { 2193 BIO_puts(io,local_argv[i]); 2194 BIO_write(io," ",1); 2195 } 2196 BIO_puts(io,"\n"); 2197 2198 /* The following is evil and should not really 2199 * be done */ 2200 BIO_printf(io,"Ciphers supported in s_server binary\n"); 2201 sk=SSL_get_ciphers(con); 2202 j=sk_SSL_CIPHER_num(sk); 2203 for (i=0; i<j; i++) 2204 { 2205 c=sk_SSL_CIPHER_value(sk,i); 2206 BIO_printf(io,"%-11s:%-25s", 2207 SSL_CIPHER_get_version(c), 2208 SSL_CIPHER_get_name(c)); 2209 if ((((i+1)%2) == 0) && (i+1 != j)) 2210 BIO_puts(io,"\n"); 2211 } 2212 BIO_puts(io,"\n"); 2213 p=SSL_get_shared_ciphers(con,buf,bufsize); 2214 if (p != NULL) 2215 { 2216 BIO_printf(io,"---\nCiphers common between both SSL end points:\n"); 2217 j=i=0; 2218 while (*p) 2219 { 2220 if (*p == ':') 2221 { 2222 BIO_write(io,space,26-j); 2223 i++; 2224 j=0; 2225 BIO_write(io,((i%3)?" ":"\n"),1); 2226 } 2227 else 2228 { 2229 BIO_write(io,p,1); 2230 j++; 2231 } 2232 p++; 2233 } 2234 BIO_puts(io,"\n"); 2235 } 2236 BIO_printf(io,((con->hit) 2237 ?"---\nReused, " 2238 :"---\nNew, ")); 2239 c=SSL_get_current_cipher(con); 2240 BIO_printf(io,"%s, Cipher is %s\n", 2241 SSL_CIPHER_get_version(c), 2242 SSL_CIPHER_get_name(c)); 2243 SSL_SESSION_print(io,SSL_get_session(con)); 2244 BIO_printf(io,"---\n"); 2245 print_stats(io,SSL_get_SSL_CTX(con)); 2246 BIO_printf(io,"---\n"); 2247 peer=SSL_get_peer_certificate(con); 2248 if (peer != NULL) 2249 { 2250 BIO_printf(io,"Client certificate\n"); 2251 X509_print(io,peer); 2252 PEM_write_bio_X509(io,peer); 2253 } 2254 else 2255 BIO_puts(io,"no client certificate available\n"); 2256 BIO_puts(io,"</BODY></HTML>\r\n\r\n"); 2257 break; 2258 } 2259 else if ((www == 2 || www == 3) 2260 && (strncmp("GET /",buf,5) == 0)) 2261 { 2262 BIO *file; 2263 char *p,*e; 2264 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 2265 2266 /* skip the '/' */ 2267 p= &(buf[5]); 2268 2269 dot = 1; 2270 for (e=p; *e != '\0'; e++) 2271 { 2272 if (e[0] == ' ') 2273 break; 2274 2275 switch (dot) 2276 { 2277 case 1: 2278 dot = (e[0] == '.') ? 2 : 0; 2279 break; 2280 case 2: 2281 dot = (e[0] == '.') ? 3 : 0; 2282 break; 2283 case 3: 2284 dot = (e[0] == '/') ? -1 : 0; 2285 break; 2286 } 2287 if (dot == 0) 2288 dot = (e[0] == '/') ? 1 : 0; 2289 } 2290 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */ 2291 2292 if (*e == '\0') 2293 { 2294 BIO_puts(io,text); 2295 BIO_printf(io,"'%s' is an invalid file name\r\n",p); 2296 break; 2297 } 2298 *e='\0'; 2299 2300 if (dot) 2301 { 2302 BIO_puts(io,text); 2303 BIO_printf(io,"'%s' contains '..' reference\r\n",p); 2304 break; 2305 } 2306 2307 if (*p == '/') 2308 { 2309 BIO_puts(io,text); 2310 BIO_printf(io,"'%s' is an invalid path\r\n",p); 2311 break; 2312 } 2313 2314 #if 0 2315 /* append if a directory lookup */ 2316 if (e[-1] == '/') 2317 strcat(p,"index.html"); 2318 #endif 2319 2320 /* if a directory, do the index thang */ 2321 if (stat(p,&st_buf) < 0) 2322 { 2323 BIO_puts(io,text); 2324 BIO_printf(io,"Error accessing '%s'\r\n",p); 2325 ERR_print_errors(io); 2326 break; 2327 } 2328 if (S_ISDIR(st_buf.st_mode)) 2329 { 2330 #if 0 /* must check buffer size */ 2331 strcat(p,"/index.html"); 2332 #else 2333 BIO_puts(io,text); 2334 BIO_printf(io,"'%s' is a directory\r\n",p); 2335 break; 2336 #endif 2337 } 2338 2339 if ((file=BIO_new_file(p,"r")) == NULL) 2340 { 2341 BIO_puts(io,text); 2342 BIO_printf(io,"Error opening '%s'\r\n",p); 2343 ERR_print_errors(io); 2344 break; 2345 } 2346 2347 if (!s_quiet) 2348 BIO_printf(bio_err,"FILE:%s\n",p); 2349 2350 if (www == 2) 2351 { 2352 i=strlen(p); 2353 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) || 2354 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) || 2355 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0))) 2356 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2357 else 2358 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 2359 } 2360 /* send the file */ 2361 total_bytes=0; 2362 for (;;) 2363 { 2364 i=BIO_read(file,buf,bufsize); 2365 if (i <= 0) break; 2366 2367 #ifdef RENEG 2368 total_bytes+=i; 2369 fprintf(stderr,"%d\n",i); 2370 if (total_bytes > 3*1024) 2371 { 2372 total_bytes=0; 2373 fprintf(stderr,"RENEGOTIATE\n"); 2374 SSL_renegotiate(con); 2375 } 2376 #endif 2377 2378 for (j=0; j<i; ) 2379 { 2380 #ifdef RENEG 2381 { static count=0; if (++count == 13) { SSL_renegotiate(con); } } 2382 #endif 2383 k=BIO_write(io,&(buf[j]),i-j); 2384 if (k <= 0) 2385 { 2386 if (!BIO_should_retry(io)) 2387 goto write_error; 2388 else 2389 { 2390 BIO_printf(bio_s_out,"rwrite W BLOCK\n"); 2391 } 2392 } 2393 else 2394 { 2395 j+=k; 2396 } 2397 } 2398 } 2399 write_error: 2400 BIO_free(file); 2401 break; 2402 } 2403 } 2404 2405 for (;;) 2406 { 2407 i=(int)BIO_flush(io); 2408 if (i <= 0) 2409 { 2410 if (!BIO_should_retry(io)) 2411 break; 2412 } 2413 else 2414 break; 2415 } 2416 end: 2417 #if 1 2418 /* make sure we re-use sessions */ 2419 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2420 #else 2421 /* This kills performance */ 2422 /* SSL_shutdown(con); A shutdown gets sent in the 2423 * BIO_free_all(io) procession */ 2424 #endif 2425 2426 err: 2427 2428 if (ret >= 0) 2429 BIO_printf(bio_s_out,"ACCEPT\n"); 2430 2431 if (buf != NULL) OPENSSL_free(buf); 2432 if (io != NULL) BIO_free_all(io); 2433 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 2434 return(ret); 2435 } 2436 2437 #ifndef OPENSSL_NO_RSA 2438 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 2439 { 2440 BIGNUM *bn = NULL; 2441 static RSA *rsa_tmp=NULL; 2442 2443 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 2444 BIO_printf(bio_err,"Allocation error in generating RSA key\n"); 2445 if (!rsa_tmp && bn) 2446 { 2447 if (!s_quiet) 2448 { 2449 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength); 2450 (void)BIO_flush(bio_err); 2451 } 2452 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 2453 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) 2454 { 2455 if(rsa_tmp) RSA_free(rsa_tmp); 2456 rsa_tmp = NULL; 2457 } 2458 if (!s_quiet) 2459 { 2460 BIO_printf(bio_err,"\n"); 2461 (void)BIO_flush(bio_err); 2462 } 2463 BN_free(bn); 2464 } 2465 return(rsa_tmp); 2466 } 2467 #endif 2468 2469 #define MAX_SESSION_ID_ATTEMPTS 10 2470 static int generate_session_id(const SSL *ssl, unsigned char *id, 2471 unsigned int *id_len) 2472 { 2473 unsigned int count = 0; 2474 do { 2475 RAND_pseudo_bytes(id, *id_len); 2476 /* Prefix the session_id with the required prefix. NB: If our 2477 * prefix is too long, clip it - but there will be worse effects 2478 * anyway, eg. the server could only possibly create 1 session 2479 * ID (ie. the prefix!) so all future session negotiations will 2480 * fail due to conflicts. */ 2481 memcpy(id, session_id_prefix, 2482 (strlen(session_id_prefix) < *id_len) ? 2483 strlen(session_id_prefix) : *id_len); 2484 } 2485 while(SSL_has_matching_session_id(ssl, id, *id_len) && 2486 (++count < MAX_SESSION_ID_ATTEMPTS)); 2487 if(count >= MAX_SESSION_ID_ATTEMPTS) 2488 return 0; 2489 return 1; 2490 } 2491