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 static long socket_mtu; 287 #ifndef OPENSSL_NO_DTLS1 288 static int cert_chain = 0; 289 #endif 290 291 292 #ifdef MONOLITH 293 static void s_server_init(void) 294 { 295 accept_socket=-1; 296 cipher=NULL; 297 s_server_verify=SSL_VERIFY_NONE; 298 s_dcert_file=NULL; 299 s_dkey_file=NULL; 300 s_cert_file=TEST_CERT; 301 s_key_file=NULL; 302 #ifndef OPENSSL_NO_TLSEXT 303 s_cert_file2=TEST_CERT2; 304 s_key_file2=NULL; 305 ctx2=NULL; 306 #endif 307 #ifdef FIONBIO 308 s_nbio=0; 309 #endif 310 s_nbio_test=0; 311 ctx=NULL; 312 www=0; 313 314 bio_s_out=NULL; 315 s_debug=0; 316 s_msg=0; 317 s_quiet=0; 318 hack=0; 319 #ifndef OPENSSL_NO_ENGINE 320 engine_id=NULL; 321 #endif 322 } 323 #endif 324 325 static void sv_usage(void) 326 { 327 BIO_printf(bio_err,"usage: s_server [args ...]\n"); 328 BIO_printf(bio_err,"\n"); 329 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT); 330 BIO_printf(bio_err," -context arg - set session ID context\n"); 331 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); 332 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n"); 333 BIO_printf(bio_err," -cert arg - certificate file to use\n"); 334 BIO_printf(bio_err," (default is %s)\n",TEST_CERT); 335 BIO_printf(bio_err," -crl_check - check the peer certificate has not been revoked by its CA.\n" \ 336 " The CRL(s) are appended to the certificate file\n"); 337 BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \ 338 " or any other CRL in the CA chain. CRL(s) are appened to the\n" \ 339 " the certificate file.\n"); 340 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 341 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n"); 342 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT); 343 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 344 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 345 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n"); 346 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n"); 347 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n"); 348 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 349 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n"); 350 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 351 BIO_printf(bio_err," or a default set of parameters is used\n"); 352 #ifndef OPENSSL_NO_ECDH 353 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \ 354 " Use \"openssl ecparam -list_curves\" for all names\n" \ 355 " (default is sect163r2).\n"); 356 #endif 357 #ifdef FIONBIO 358 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 359 #endif 360 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n"); 361 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 362 BIO_printf(bio_err," -debug - Print more output\n"); 363 BIO_printf(bio_err," -msg - Show protocol messages\n"); 364 BIO_printf(bio_err," -state - Print the SSL states\n"); 365 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 366 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 367 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n"); 368 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 369 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n"); 370 BIO_printf(bio_err," -quiet - No server output\n"); 371 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n"); 372 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n"); 373 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n"); 374 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n"); 375 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n"); 376 BIO_printf(bio_err," -timeout - Enable timeouts\n"); 377 BIO_printf(bio_err," -mtu - Set link layer MTU\n"); 378 BIO_printf(bio_err," -chain - Read a certificate chain\n"); 379 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n"); 380 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n"); 381 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n"); 382 #ifndef OPENSSL_NO_DH 383 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n"); 384 #endif 385 #ifndef OPENSSL_NO_ECDH 386 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n"); 387 #endif 388 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n"); 389 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n"); 390 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 391 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 392 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n"); 393 #ifndef OPENSSL_NO_ENGINE 394 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 395 #endif 396 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 397 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 398 #ifndef OPENSSL_NO_TLSEXT 399 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n"); 400 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 401 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n"); 402 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2); 403 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n"); 404 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2); 405 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 406 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 407 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\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 int no_cache = 0; 776 #ifndef OPENSSL_NO_TLSEXT 777 EVP_PKEY *s_key2 = NULL; 778 X509 *s_cert2 = NULL; 779 #endif 780 #ifndef OPENSSL_NO_TLSEXT 781 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING}; 782 #endif 783 784 meth=SSLv23_server_method(); 785 786 local_argc=argc; 787 local_argv=argv; 788 789 apps_startup(); 790 #ifdef MONOLITH 791 s_server_init(); 792 #endif 793 794 if (bio_err == NULL) 795 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 796 797 if (!load_config(bio_err, NULL)) 798 goto end; 799 800 verify_depth=0; 801 #ifdef FIONBIO 802 s_nbio=0; 803 #endif 804 s_nbio_test=0; 805 806 argc--; 807 argv++; 808 809 while (argc >= 1) 810 { 811 if ((strcmp(*argv,"-port") == 0) || 812 (strcmp(*argv,"-accept") == 0)) 813 { 814 if (--argc < 1) goto bad; 815 if (!extract_port(*(++argv),&port)) 816 goto bad; 817 } 818 else if (strcmp(*argv,"-verify") == 0) 819 { 820 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE; 821 if (--argc < 1) goto bad; 822 verify_depth=atoi(*(++argv)); 823 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 824 } 825 else if (strcmp(*argv,"-Verify") == 0) 826 { 827 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT| 828 SSL_VERIFY_CLIENT_ONCE; 829 if (--argc < 1) goto bad; 830 verify_depth=atoi(*(++argv)); 831 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth); 832 } 833 else if (strcmp(*argv,"-context") == 0) 834 { 835 if (--argc < 1) goto bad; 836 context= (unsigned char *)*(++argv); 837 } 838 else if (strcmp(*argv,"-cert") == 0) 839 { 840 if (--argc < 1) goto bad; 841 s_cert_file= *(++argv); 842 } 843 else if (strcmp(*argv,"-certform") == 0) 844 { 845 if (--argc < 1) goto bad; 846 s_cert_format = str2fmt(*(++argv)); 847 } 848 else if (strcmp(*argv,"-key") == 0) 849 { 850 if (--argc < 1) goto bad; 851 s_key_file= *(++argv); 852 } 853 else if (strcmp(*argv,"-keyform") == 0) 854 { 855 if (--argc < 1) goto bad; 856 s_key_format = str2fmt(*(++argv)); 857 } 858 else if (strcmp(*argv,"-pass") == 0) 859 { 860 if (--argc < 1) goto bad; 861 passarg = *(++argv); 862 } 863 else if (strcmp(*argv,"-dhparam") == 0) 864 { 865 if (--argc < 1) goto bad; 866 dhfile = *(++argv); 867 } 868 #ifndef OPENSSL_NO_ECDH 869 else if (strcmp(*argv,"-named_curve") == 0) 870 { 871 if (--argc < 1) goto bad; 872 named_curve = *(++argv); 873 } 874 #endif 875 else if (strcmp(*argv,"-dcertform") == 0) 876 { 877 if (--argc < 1) goto bad; 878 s_dcert_format = str2fmt(*(++argv)); 879 } 880 else if (strcmp(*argv,"-dcert") == 0) 881 { 882 if (--argc < 1) goto bad; 883 s_dcert_file= *(++argv); 884 } 885 else if (strcmp(*argv,"-dkeyform") == 0) 886 { 887 if (--argc < 1) goto bad; 888 s_dkey_format = str2fmt(*(++argv)); 889 } 890 else if (strcmp(*argv,"-dpass") == 0) 891 { 892 if (--argc < 1) goto bad; 893 dpassarg = *(++argv); 894 } 895 else if (strcmp(*argv,"-dkey") == 0) 896 { 897 if (--argc < 1) goto bad; 898 s_dkey_file= *(++argv); 899 } 900 else if (strcmp(*argv,"-nocert") == 0) 901 { 902 nocert=1; 903 } 904 else if (strcmp(*argv,"-CApath") == 0) 905 { 906 if (--argc < 1) goto bad; 907 CApath= *(++argv); 908 } 909 else if (strcmp(*argv,"-no_cache") == 0) 910 no_cache = 1; 911 else if (strcmp(*argv,"-crl_check") == 0) 912 { 913 vflags |= X509_V_FLAG_CRL_CHECK; 914 } 915 else if (strcmp(*argv,"-crl_check_all") == 0) 916 { 917 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL; 918 } 919 else if (strcmp(*argv,"-serverpref") == 0) 920 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; } 921 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 922 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 923 else if (strcmp(*argv,"-cipher") == 0) 924 { 925 if (--argc < 1) goto bad; 926 cipher= *(++argv); 927 } 928 else if (strcmp(*argv,"-CAfile") == 0) 929 { 930 if (--argc < 1) goto bad; 931 CAfile= *(++argv); 932 } 933 #ifdef FIONBIO 934 else if (strcmp(*argv,"-nbio") == 0) 935 { s_nbio=1; } 936 #endif 937 else if (strcmp(*argv,"-nbio_test") == 0) 938 { 939 #ifdef FIONBIO 940 s_nbio=1; 941 #endif 942 s_nbio_test=1; 943 } 944 else if (strcmp(*argv,"-debug") == 0) 945 { s_debug=1; } 946 #ifndef OPENSSL_NO_TLSEXT 947 else if (strcmp(*argv,"-tlsextdebug") == 0) 948 s_tlsextdebug=1; 949 else if (strcmp(*argv,"-status") == 0) 950 s_tlsextstatus=1; 951 else if (strcmp(*argv,"-status_verbose") == 0) 952 { 953 s_tlsextstatus=1; 954 tlscstatp.verbose = 1; 955 } 956 else if (!strcmp(*argv, "-status_timeout")) 957 { 958 s_tlsextstatus=1; 959 if (--argc < 1) goto bad; 960 tlscstatp.timeout = atoi(*(++argv)); 961 } 962 else if (!strcmp(*argv, "-status_url")) 963 { 964 s_tlsextstatus=1; 965 if (--argc < 1) goto bad; 966 if (!OCSP_parse_url(*(++argv), 967 &tlscstatp.host, 968 &tlscstatp.port, 969 &tlscstatp.path, 970 &tlscstatp.use_ssl)) 971 { 972 BIO_printf(bio_err, "Error parsing URL\n"); 973 goto bad; 974 } 975 } 976 #endif 977 else if (strcmp(*argv,"-msg") == 0) 978 { s_msg=1; } 979 else if (strcmp(*argv,"-hack") == 0) 980 { hack=1; } 981 else if (strcmp(*argv,"-state") == 0) 982 { state=1; } 983 else if (strcmp(*argv,"-crlf") == 0) 984 { s_crlf=1; } 985 else if (strcmp(*argv,"-quiet") == 0) 986 { s_quiet=1; } 987 else if (strcmp(*argv,"-bugs") == 0) 988 { bugs=1; } 989 else if (strcmp(*argv,"-no_tmp_rsa") == 0) 990 { no_tmp_rsa=1; } 991 else if (strcmp(*argv,"-no_dhe") == 0) 992 { no_dhe=1; } 993 else if (strcmp(*argv,"-no_ecdhe") == 0) 994 { no_ecdhe=1; } 995 else if (strcmp(*argv,"-www") == 0) 996 { www=1; } 997 else if (strcmp(*argv,"-WWW") == 0) 998 { www=2; } 999 else if (strcmp(*argv,"-HTTP") == 0) 1000 { www=3; } 1001 else if (strcmp(*argv,"-no_ssl2") == 0) 1002 { off|=SSL_OP_NO_SSLv2; } 1003 else if (strcmp(*argv,"-no_ssl3") == 0) 1004 { off|=SSL_OP_NO_SSLv3; } 1005 else if (strcmp(*argv,"-no_tls1") == 0) 1006 { off|=SSL_OP_NO_TLSv1; } 1007 #ifndef OPENSSL_NO_TLSEXT 1008 else if (strcmp(*argv,"-no_ticket") == 0) 1009 { off|=SSL_OP_NO_TICKET; } 1010 #endif 1011 #ifndef OPENSSL_NO_SSL2 1012 else if (strcmp(*argv,"-ssl2") == 0) 1013 { meth=SSLv2_server_method(); } 1014 #endif 1015 #ifndef OPENSSL_NO_SSL3 1016 else if (strcmp(*argv,"-ssl3") == 0) 1017 { meth=SSLv3_server_method(); } 1018 #endif 1019 #ifndef OPENSSL_NO_TLS1 1020 else if (strcmp(*argv,"-tls1") == 0) 1021 { meth=TLSv1_server_method(); } 1022 #endif 1023 #ifndef OPENSSL_NO_DTLS1 1024 else if (strcmp(*argv,"-dtls1") == 0) 1025 { 1026 meth=DTLSv1_server_method(); 1027 socket_type = SOCK_DGRAM; 1028 } 1029 else if (strcmp(*argv,"-timeout") == 0) 1030 enable_timeouts = 1; 1031 else if (strcmp(*argv,"-mtu") == 0) 1032 { 1033 if (--argc < 1) goto bad; 1034 socket_mtu = atol(*(++argv)); 1035 } 1036 else if (strcmp(*argv, "-chain") == 0) 1037 cert_chain = 1; 1038 #endif 1039 else if (strcmp(*argv, "-id_prefix") == 0) 1040 { 1041 if (--argc < 1) goto bad; 1042 session_id_prefix = *(++argv); 1043 } 1044 #ifndef OPENSSL_NO_ENGINE 1045 else if (strcmp(*argv,"-engine") == 0) 1046 { 1047 if (--argc < 1) goto bad; 1048 engine_id= *(++argv); 1049 } 1050 #endif 1051 else if (strcmp(*argv,"-rand") == 0) 1052 { 1053 if (--argc < 1) goto bad; 1054 inrand= *(++argv); 1055 } 1056 #ifndef OPENSSL_NO_TLSEXT 1057 else if (strcmp(*argv,"-servername") == 0) 1058 { 1059 if (--argc < 1) goto bad; 1060 tlsextcbp.servername= *(++argv); 1061 } 1062 else if (strcmp(*argv,"-servername_fatal") == 0) 1063 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; } 1064 else if (strcmp(*argv,"-cert2") == 0) 1065 { 1066 if (--argc < 1) goto bad; 1067 s_cert_file2= *(++argv); 1068 } 1069 else if (strcmp(*argv,"-key2") == 0) 1070 { 1071 if (--argc < 1) goto bad; 1072 s_key_file2= *(++argv); 1073 } 1074 1075 #endif 1076 #ifndef OPENSSL_NO_JPAKE 1077 else if (strcmp(*argv,"-jpake") == 0) 1078 { 1079 if (--argc < 1) goto bad; 1080 jpake_secret = *(++argv); 1081 } 1082 #endif 1083 else 1084 { 1085 BIO_printf(bio_err,"unknown option %s\n",*argv); 1086 badop=1; 1087 break; 1088 } 1089 argc--; 1090 argv++; 1091 } 1092 if (badop) 1093 { 1094 bad: 1095 sv_usage(); 1096 goto end; 1097 } 1098 1099 SSL_load_error_strings(); 1100 OpenSSL_add_ssl_algorithms(); 1101 1102 #ifndef OPENSSL_NO_ENGINE 1103 e = setup_engine(bio_err, engine_id, 1); 1104 #endif 1105 1106 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) 1107 { 1108 BIO_printf(bio_err, "Error getting password\n"); 1109 goto end; 1110 } 1111 1112 1113 if (s_key_file == NULL) 1114 s_key_file = s_cert_file; 1115 #ifndef OPENSSL_NO_TLSEXT 1116 if (s_key_file2 == NULL) 1117 s_key_file2 = s_cert_file2; 1118 #endif 1119 1120 if (nocert == 0) 1121 { 1122 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1123 "server certificate private key file"); 1124 if (!s_key) 1125 { 1126 ERR_print_errors(bio_err); 1127 goto end; 1128 } 1129 1130 s_cert = load_cert(bio_err,s_cert_file,s_cert_format, 1131 NULL, e, "server certificate file"); 1132 1133 if (!s_cert) 1134 { 1135 ERR_print_errors(bio_err); 1136 goto end; 1137 } 1138 1139 #ifndef OPENSSL_NO_TLSEXT 1140 if (tlsextcbp.servername) 1141 { 1142 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1143 "second server certificate private key file"); 1144 if (!s_key2) 1145 { 1146 ERR_print_errors(bio_err); 1147 goto end; 1148 } 1149 1150 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format, 1151 NULL, e, "second server certificate file"); 1152 1153 if (!s_cert2) 1154 { 1155 ERR_print_errors(bio_err); 1156 goto end; 1157 } 1158 } 1159 #endif 1160 } 1161 if (s_dcert_file) 1162 { 1163 1164 if (s_dkey_file == NULL) 1165 s_dkey_file = s_dcert_file; 1166 1167 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1168 0, dpass, e, 1169 "second certificate private key file"); 1170 if (!s_dkey) 1171 { 1172 ERR_print_errors(bio_err); 1173 goto end; 1174 } 1175 1176 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format, 1177 NULL, e, "second server certificate file"); 1178 1179 if (!s_dcert) 1180 { 1181 ERR_print_errors(bio_err); 1182 goto end; 1183 } 1184 1185 } 1186 1187 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1188 && !RAND_status()) 1189 { 1190 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1191 } 1192 if (inrand != NULL) 1193 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1194 app_RAND_load_files(inrand)); 1195 1196 if (bio_s_out == NULL) 1197 { 1198 if (s_quiet && !s_debug && !s_msg) 1199 { 1200 bio_s_out=BIO_new(BIO_s_null()); 1201 } 1202 else 1203 { 1204 if (bio_s_out == NULL) 1205 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1206 } 1207 } 1208 1209 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1210 if (nocert) 1211 #endif 1212 { 1213 s_cert_file=NULL; 1214 s_key_file=NULL; 1215 s_dcert_file=NULL; 1216 s_dkey_file=NULL; 1217 #ifndef OPENSSL_NO_TLSEXT 1218 s_cert_file2=NULL; 1219 s_key_file2=NULL; 1220 #endif 1221 } 1222 1223 ctx=SSL_CTX_new(meth); 1224 if (ctx == NULL) 1225 { 1226 ERR_print_errors(bio_err); 1227 goto end; 1228 } 1229 if (session_id_prefix) 1230 { 1231 if(strlen(session_id_prefix) >= 32) 1232 BIO_printf(bio_err, 1233 "warning: id_prefix is too long, only one new session will be possible\n"); 1234 else if(strlen(session_id_prefix) >= 16) 1235 BIO_printf(bio_err, 1236 "warning: id_prefix is too long if you use SSLv2\n"); 1237 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) 1238 { 1239 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1240 ERR_print_errors(bio_err); 1241 goto end; 1242 } 1243 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1244 } 1245 SSL_CTX_set_quiet_shutdown(ctx,1); 1246 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL); 1247 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1248 SSL_CTX_set_options(ctx,off); 1249 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1250 * Setting read ahead solves this problem. 1251 */ 1252 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1253 1254 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1255 if (no_cache) 1256 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1257 else 1258 SSL_CTX_sess_set_cache_size(ctx,128); 1259 1260 #if 0 1261 if (cipher == NULL) cipher=getenv("SSL_CIPHER"); 1262 #endif 1263 1264 #if 0 1265 if (s_cert_file == NULL) 1266 { 1267 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n"); 1268 goto end; 1269 } 1270 #endif 1271 1272 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1273 (!SSL_CTX_set_default_verify_paths(ctx))) 1274 { 1275 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1276 ERR_print_errors(bio_err); 1277 /* goto end; */ 1278 } 1279 store = SSL_CTX_get_cert_store(ctx); 1280 X509_STORE_set_flags(store, vflags); 1281 #ifndef OPENSSL_NO_TLSEXT 1282 if (s_cert2) 1283 { 1284 ctx2=SSL_CTX_new(meth); 1285 if (ctx2 == NULL) 1286 { 1287 ERR_print_errors(bio_err); 1288 goto end; 1289 } 1290 } 1291 1292 if (ctx2) 1293 { 1294 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n"); 1295 1296 if (session_id_prefix) 1297 { 1298 if(strlen(session_id_prefix) >= 32) 1299 BIO_printf(bio_err, 1300 "warning: id_prefix is too long, only one new session will be possible\n"); 1301 else if(strlen(session_id_prefix) >= 16) 1302 BIO_printf(bio_err, 1303 "warning: id_prefix is too long if you use SSLv2\n"); 1304 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) 1305 { 1306 BIO_printf(bio_err,"error setting 'id_prefix'\n"); 1307 ERR_print_errors(bio_err); 1308 goto end; 1309 } 1310 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); 1311 } 1312 SSL_CTX_set_quiet_shutdown(ctx2,1); 1313 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL); 1314 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1315 SSL_CTX_set_options(ctx2,off); 1316 1317 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1318 * Setting read ahead solves this problem. 1319 */ 1320 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1); 1321 1322 1323 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback); 1324 1325 if (no_cache) 1326 SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF); 1327 else 1328 SSL_CTX_sess_set_cache_size(ctx2,128); 1329 1330 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) || 1331 (!SSL_CTX_set_default_verify_paths(ctx2))) 1332 { 1333 ERR_print_errors(bio_err); 1334 } 1335 store = SSL_CTX_get_cert_store(ctx2); 1336 X509_STORE_set_flags(store, vflags); 1337 } 1338 #endif 1339 1340 1341 #ifndef OPENSSL_NO_DH 1342 if (!no_dhe) 1343 { 1344 DH *dh=NULL; 1345 1346 if (dhfile) 1347 dh = load_dh_param(dhfile); 1348 else if (s_cert_file) 1349 dh = load_dh_param(s_cert_file); 1350 1351 if (dh != NULL) 1352 { 1353 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1354 } 1355 else 1356 { 1357 BIO_printf(bio_s_out,"Using default temp DH parameters\n"); 1358 dh=get_dh512(); 1359 } 1360 (void)BIO_flush(bio_s_out); 1361 1362 SSL_CTX_set_tmp_dh(ctx,dh); 1363 #ifndef OPENSSL_NO_TLSEXT 1364 if (ctx2) 1365 { 1366 if (!dhfile) 1367 { 1368 DH *dh2=load_dh_param(s_cert_file2); 1369 if (dh2 != NULL) 1370 { 1371 BIO_printf(bio_s_out,"Setting temp DH parameters\n"); 1372 (void)BIO_flush(bio_s_out); 1373 1374 DH_free(dh); 1375 dh = dh2; 1376 } 1377 } 1378 SSL_CTX_set_tmp_dh(ctx2,dh); 1379 } 1380 #endif 1381 DH_free(dh); 1382 } 1383 #endif 1384 1385 #ifndef OPENSSL_NO_ECDH 1386 if (!no_ecdhe) 1387 { 1388 EC_KEY *ecdh=NULL; 1389 1390 if (named_curve) 1391 { 1392 int nid = OBJ_sn2nid(named_curve); 1393 1394 if (nid == 0) 1395 { 1396 BIO_printf(bio_err, "unknown curve name (%s)\n", 1397 named_curve); 1398 goto end; 1399 } 1400 ecdh = EC_KEY_new_by_curve_name(nid); 1401 if (ecdh == NULL) 1402 { 1403 BIO_printf(bio_err, "unable to create curve (%s)\n", 1404 named_curve); 1405 goto end; 1406 } 1407 } 1408 1409 if (ecdh != NULL) 1410 { 1411 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n"); 1412 } 1413 else 1414 { 1415 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n"); 1416 ecdh = EC_KEY_new_by_curve_name(NID_sect163r2); 1417 if (ecdh == NULL) 1418 { 1419 BIO_printf(bio_err, "unable to create curve (sect163r2)\n"); 1420 goto end; 1421 } 1422 } 1423 (void)BIO_flush(bio_s_out); 1424 1425 SSL_CTX_set_tmp_ecdh(ctx,ecdh); 1426 #ifndef OPENSSL_NO_TLSEXT 1427 if (ctx2) 1428 SSL_CTX_set_tmp_ecdh(ctx2,ecdh); 1429 #endif 1430 EC_KEY_free(ecdh); 1431 } 1432 #endif 1433 1434 if (!set_cert_key_stuff(ctx,s_cert,s_key)) 1435 goto end; 1436 #ifndef OPENSSL_NO_TLSEXT 1437 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2)) 1438 goto end; 1439 #endif 1440 if (s_dcert != NULL) 1441 { 1442 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey)) 1443 goto end; 1444 } 1445 1446 #ifndef OPENSSL_NO_RSA 1447 #if 1 1448 if (!no_tmp_rsa) 1449 { 1450 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb); 1451 #ifndef OPENSSL_NO_TLSEXT 1452 if (ctx2) 1453 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb); 1454 #endif 1455 } 1456 #else 1457 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) 1458 { 1459 RSA *rsa; 1460 1461 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key..."); 1462 BIO_flush(bio_s_out); 1463 1464 rsa=RSA_generate_key(512,RSA_F4,NULL); 1465 1466 if (!SSL_CTX_set_tmp_rsa(ctx,rsa)) 1467 { 1468 ERR_print_errors(bio_err); 1469 goto end; 1470 } 1471 #ifndef OPENSSL_NO_TLSEXT 1472 if (ctx2) 1473 { 1474 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa)) 1475 { 1476 ERR_print_errors(bio_err); 1477 goto end; 1478 } 1479 } 1480 #endif 1481 RSA_free(rsa); 1482 BIO_printf(bio_s_out,"\n"); 1483 } 1484 #endif 1485 #endif 1486 1487 if (cipher != NULL) 1488 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1489 BIO_printf(bio_err,"error setting cipher list\n"); 1490 ERR_print_errors(bio_err); 1491 goto end; 1492 #ifndef OPENSSL_NO_TLSEXT 1493 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher)) 1494 { 1495 BIO_printf(bio_err,"error setting cipher list\n"); 1496 ERR_print_errors(bio_err); 1497 goto end; 1498 } 1499 #endif 1500 } 1501 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback); 1502 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context, 1503 sizeof s_server_session_id_context); 1504 1505 /* Set DTLS cookie generation and verification callbacks */ 1506 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 1507 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 1508 1509 #ifndef OPENSSL_NO_TLSEXT 1510 if (ctx2) 1511 { 1512 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback); 1513 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context, 1514 sizeof s_server_session_id_context); 1515 1516 tlsextcbp.biodebug = bio_s_out; 1517 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 1518 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 1519 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1520 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1521 } 1522 #endif 1523 if (CAfile != NULL) 1524 { 1525 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile)); 1526 #ifndef OPENSSL_NO_TLSEXT 1527 if (ctx2) 1528 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile)); 1529 #endif 1530 } 1531 BIO_printf(bio_s_out,"ACCEPT\n"); 1532 if (www) 1533 do_server(port,socket_type,&accept_socket,www_body, context); 1534 else 1535 do_server(port,socket_type,&accept_socket,sv_body, context); 1536 print_stats(bio_s_out,ctx); 1537 ret=0; 1538 end: 1539 if (ctx != NULL) SSL_CTX_free(ctx); 1540 if (s_cert) 1541 X509_free(s_cert); 1542 if (s_dcert) 1543 X509_free(s_dcert); 1544 if (s_key) 1545 EVP_PKEY_free(s_key); 1546 if (s_dkey) 1547 EVP_PKEY_free(s_dkey); 1548 if (pass) 1549 OPENSSL_free(pass); 1550 if (dpass) 1551 OPENSSL_free(dpass); 1552 #ifndef OPENSSL_NO_TLSEXT 1553 if (ctx2 != NULL) SSL_CTX_free(ctx2); 1554 if (s_cert2) 1555 X509_free(s_cert2); 1556 if (s_key2) 1557 EVP_PKEY_free(s_key2); 1558 #endif 1559 if (bio_s_out != NULL) 1560 { 1561 BIO_free(bio_s_out); 1562 bio_s_out=NULL; 1563 } 1564 apps_shutdown(); 1565 OPENSSL_EXIT(ret); 1566 } 1567 1568 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 1569 { 1570 BIO_printf(bio,"%4ld items in the session cache\n", 1571 SSL_CTX_sess_number(ssl_ctx)); 1572 BIO_printf(bio,"%4ld client connects (SSL_connect())\n", 1573 SSL_CTX_sess_connect(ssl_ctx)); 1574 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n", 1575 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 1576 BIO_printf(bio,"%4ld client connects that finished\n", 1577 SSL_CTX_sess_connect_good(ssl_ctx)); 1578 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n", 1579 SSL_CTX_sess_accept(ssl_ctx)); 1580 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n", 1581 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 1582 BIO_printf(bio,"%4ld server accepts that finished\n", 1583 SSL_CTX_sess_accept_good(ssl_ctx)); 1584 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx)); 1585 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx)); 1586 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx)); 1587 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx)); 1588 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n", 1589 SSL_CTX_sess_cache_full(ssl_ctx), 1590 SSL_CTX_sess_get_cache_size(ssl_ctx)); 1591 } 1592 1593 static int sv_body(char *hostname, int s, unsigned char *context) 1594 { 1595 char *buf=NULL; 1596 fd_set readfds; 1597 int ret=1,width; 1598 int k,i; 1599 unsigned long l; 1600 SSL *con=NULL; 1601 BIO *sbio; 1602 struct timeval timeout; 1603 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 1604 struct timeval tv; 1605 #else 1606 struct timeval *timeoutp; 1607 #endif 1608 1609 if ((buf=OPENSSL_malloc(bufsize)) == NULL) 1610 { 1611 BIO_printf(bio_err,"out of memory\n"); 1612 goto err; 1613 } 1614 #ifdef FIONBIO 1615 if (s_nbio) 1616 { 1617 unsigned long sl=1; 1618 1619 if (!s_quiet) 1620 BIO_printf(bio_err,"turning on non blocking io\n"); 1621 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 1622 ERR_print_errors(bio_err); 1623 } 1624 #endif 1625 1626 if (con == NULL) { 1627 con=SSL_new(ctx); 1628 #ifndef OPENSSL_NO_TLSEXT 1629 if (s_tlsextdebug) 1630 { 1631 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1632 SSL_set_tlsext_debug_arg(con, bio_s_out); 1633 } 1634 if (s_tlsextstatus) 1635 { 1636 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 1637 tlscstatp.err = bio_err; 1638 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 1639 } 1640 #endif 1641 #ifndef OPENSSL_NO_KRB5 1642 if ((con->kssl_ctx = kssl_ctx_new()) != NULL) 1643 { 1644 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, 1645 KRB5SVC); 1646 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, 1647 KRB5KEYTAB); 1648 } 1649 #endif /* OPENSSL_NO_KRB5 */ 1650 if(context) 1651 SSL_set_session_id_context(con, context, 1652 strlen((char *)context)); 1653 } 1654 SSL_clear(con); 1655 1656 if (SSL_version(con) == DTLS1_VERSION) 1657 { 1658 1659 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1660 1661 if ( enable_timeouts) 1662 { 1663 timeout.tv_sec = 0; 1664 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1665 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1666 1667 timeout.tv_sec = 0; 1668 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1669 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1670 } 1671 1672 1673 if (socket_mtu > 28) 1674 { 1675 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1676 SSL_set_mtu(con, socket_mtu - 28); 1677 } 1678 else 1679 /* want to do MTU discovery */ 1680 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1681 1682 /* turn on cookie exchange */ 1683 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 1684 } 1685 else 1686 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1687 1688 if (s_nbio_test) 1689 { 1690 BIO *test; 1691 1692 test=BIO_new(BIO_f_nbio_test()); 1693 sbio=BIO_push(test,sbio); 1694 } 1695 #ifndef OPENSSL_NO_JPAKE 1696 if(jpake_secret) 1697 jpake_server_auth(bio_s_out, sbio, jpake_secret); 1698 #endif 1699 1700 SSL_set_bio(con,sbio,sbio); 1701 SSL_set_accept_state(con); 1702 /* SSL_set_fd(con,s); */ 1703 1704 if (s_debug) 1705 { 1706 con->debug=1; 1707 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 1708 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 1709 } 1710 if (s_msg) 1711 { 1712 SSL_set_msg_callback(con, msg_cb); 1713 SSL_set_msg_callback_arg(con, bio_s_out); 1714 } 1715 #ifndef OPENSSL_NO_TLSEXT 1716 if (s_tlsextdebug) 1717 { 1718 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1719 SSL_set_tlsext_debug_arg(con, bio_s_out); 1720 } 1721 #endif 1722 1723 width=s+1; 1724 for (;;) 1725 { 1726 int read_from_terminal; 1727 int read_from_sslcon; 1728 1729 read_from_terminal = 0; 1730 read_from_sslcon = SSL_pending(con); 1731 1732 if (!read_from_sslcon) 1733 { 1734 FD_ZERO(&readfds); 1735 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) 1736 FD_SET(fileno(stdin),&readfds); 1737 #endif 1738 FD_SET(s,&readfds); 1739 /* Note: under VMS with SOCKETSHR the second parameter is 1740 * currently of type (int *) whereas under other systems 1741 * it is (void *) if you don't have a cast it will choke 1742 * the compiler: if you do have a cast then you can either 1743 * go for (int *) or (void *). 1744 */ 1745 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 1746 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only 1747 * on sockets. As a workaround we timeout the select every 1748 * second and check for any keypress. In a proper Windows 1749 * application we wouldn't do this because it is inefficient. 1750 */ 1751 tv.tv_sec = 1; 1752 tv.tv_usec = 0; 1753 i=select(width,(void *)&readfds,NULL,NULL,&tv); 1754 if((i < 0) || (!i && !_kbhit() ) )continue; 1755 if(_kbhit()) 1756 read_from_terminal = 1; 1757 #else 1758 if ((SSL_version(con) == DTLS1_VERSION) && 1759 DTLSv1_get_timeout(con, &timeout)) 1760 timeoutp = &timeout; 1761 else 1762 timeoutp = NULL; 1763 1764 i=select(width,(void *)&readfds,NULL,NULL,timeoutp); 1765 1766 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1767 { 1768 BIO_printf(bio_err,"TIMEOUT occured\n"); 1769 } 1770 1771 if (i <= 0) continue; 1772 if (FD_ISSET(fileno(stdin),&readfds)) 1773 read_from_terminal = 1; 1774 #endif 1775 if (FD_ISSET(s,&readfds)) 1776 read_from_sslcon = 1; 1777 } 1778 if (read_from_terminal) 1779 { 1780 if (s_crlf) 1781 { 1782 int j, lf_num; 1783 1784 i=read(fileno(stdin), buf, bufsize/2); 1785 lf_num = 0; 1786 /* both loops are skipped when i <= 0 */ 1787 for (j = 0; j < i; j++) 1788 if (buf[j] == '\n') 1789 lf_num++; 1790 for (j = i-1; j >= 0; j--) 1791 { 1792 buf[j+lf_num] = buf[j]; 1793 if (buf[j] == '\n') 1794 { 1795 lf_num--; 1796 i++; 1797 buf[j+lf_num] = '\r'; 1798 } 1799 } 1800 assert(lf_num == 0); 1801 } 1802 else 1803 i=read(fileno(stdin),buf,bufsize); 1804 if (!s_quiet) 1805 { 1806 if ((i <= 0) || (buf[0] == 'Q')) 1807 { 1808 BIO_printf(bio_s_out,"DONE\n"); 1809 SHUTDOWN(s); 1810 close_accept_socket(); 1811 ret= -11; 1812 goto err; 1813 } 1814 if ((i <= 0) || (buf[0] == 'q')) 1815 { 1816 BIO_printf(bio_s_out,"DONE\n"); 1817 if (SSL_version(con) != DTLS1_VERSION) 1818 SHUTDOWN(s); 1819 /* close_accept_socket(); 1820 ret= -11;*/ 1821 goto err; 1822 } 1823 if ((buf[0] == 'r') && 1824 ((buf[1] == '\n') || (buf[1] == '\r'))) 1825 { 1826 SSL_renegotiate(con); 1827 i=SSL_do_handshake(con); 1828 printf("SSL_do_handshake -> %d\n",i); 1829 i=0; /*13; */ 1830 continue; 1831 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */ 1832 } 1833 if ((buf[0] == 'R') && 1834 ((buf[1] == '\n') || (buf[1] == '\r'))) 1835 { 1836 SSL_set_verify(con, 1837 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL); 1838 SSL_renegotiate(con); 1839 i=SSL_do_handshake(con); 1840 printf("SSL_do_handshake -> %d\n",i); 1841 i=0; /* 13; */ 1842 continue; 1843 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */ 1844 } 1845 if (buf[0] == 'P') 1846 { 1847 static const char *str="Lets print some clear text\n"; 1848 BIO_write(SSL_get_wbio(con),str,strlen(str)); 1849 } 1850 if (buf[0] == 'S') 1851 { 1852 print_stats(bio_s_out,SSL_get_SSL_CTX(con)); 1853 } 1854 } 1855 #ifdef CHARSET_EBCDIC 1856 ebcdic2ascii(buf,buf,i); 1857 #endif 1858 l=k=0; 1859 for (;;) 1860 { 1861 /* should do a select for the write */ 1862 #ifdef RENEG 1863 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } } 1864 #endif 1865 k=SSL_write(con,&(buf[l]),(unsigned int)i); 1866 switch (SSL_get_error(con,k)) 1867 { 1868 case SSL_ERROR_NONE: 1869 break; 1870 case SSL_ERROR_WANT_WRITE: 1871 case SSL_ERROR_WANT_READ: 1872 case SSL_ERROR_WANT_X509_LOOKUP: 1873 BIO_printf(bio_s_out,"Write BLOCK\n"); 1874 break; 1875 case SSL_ERROR_SYSCALL: 1876 case SSL_ERROR_SSL: 1877 BIO_printf(bio_s_out,"ERROR\n"); 1878 ERR_print_errors(bio_err); 1879 ret=1; 1880 goto err; 1881 /* break; */ 1882 case SSL_ERROR_ZERO_RETURN: 1883 BIO_printf(bio_s_out,"DONE\n"); 1884 ret=1; 1885 goto err; 1886 } 1887 l+=k; 1888 i-=k; 1889 if (i <= 0) break; 1890 } 1891 } 1892 if (read_from_sslcon) 1893 { 1894 if (!SSL_is_init_finished(con)) 1895 { 1896 i=init_ssl_connection(con); 1897 1898 if (i < 0) 1899 { 1900 ret=0; 1901 goto err; 1902 } 1903 else if (i == 0) 1904 { 1905 ret=1; 1906 goto err; 1907 } 1908 } 1909 else 1910 { 1911 again: 1912 i=SSL_read(con,(char *)buf,bufsize); 1913 switch (SSL_get_error(con,i)) 1914 { 1915 case SSL_ERROR_NONE: 1916 #ifdef CHARSET_EBCDIC 1917 ascii2ebcdic(buf,buf,i); 1918 #endif 1919 write(fileno(stdout),buf, 1920 (unsigned int)i); 1921 if (SSL_pending(con)) goto again; 1922 break; 1923 case SSL_ERROR_WANT_WRITE: 1924 case SSL_ERROR_WANT_READ: 1925 case SSL_ERROR_WANT_X509_LOOKUP: 1926 BIO_printf(bio_s_out,"Read BLOCK\n"); 1927 break; 1928 case SSL_ERROR_SYSCALL: 1929 case SSL_ERROR_SSL: 1930 BIO_printf(bio_s_out,"ERROR\n"); 1931 ERR_print_errors(bio_err); 1932 ret=1; 1933 goto err; 1934 case SSL_ERROR_ZERO_RETURN: 1935 BIO_printf(bio_s_out,"DONE\n"); 1936 ret=1; 1937 goto err; 1938 } 1939 } 1940 } 1941 } 1942 err: 1943 BIO_printf(bio_s_out,"shutting down SSL\n"); 1944 #if 1 1945 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 1946 #else 1947 SSL_shutdown(con); 1948 #endif 1949 if (con != NULL) SSL_free(con); 1950 BIO_printf(bio_s_out,"CONNECTION CLOSED\n"); 1951 if (buf != NULL) 1952 { 1953 OPENSSL_cleanse(buf,bufsize); 1954 OPENSSL_free(buf); 1955 } 1956 if (ret >= 0) 1957 BIO_printf(bio_s_out,"ACCEPT\n"); 1958 return(ret); 1959 } 1960 1961 static void close_accept_socket(void) 1962 { 1963 BIO_printf(bio_err,"shutdown accept socket\n"); 1964 if (accept_socket >= 0) 1965 { 1966 SHUTDOWN2(accept_socket); 1967 } 1968 } 1969 1970 static int init_ssl_connection(SSL *con) 1971 { 1972 int i; 1973 const char *str; 1974 X509 *peer; 1975 long verify_error; 1976 MS_STATIC char buf[BUFSIZ]; 1977 1978 if ((i=SSL_accept(con)) <= 0) 1979 { 1980 if (BIO_sock_should_retry(i)) 1981 { 1982 BIO_printf(bio_s_out,"DELAY\n"); 1983 return(1); 1984 } 1985 1986 BIO_printf(bio_err,"ERROR\n"); 1987 verify_error=SSL_get_verify_result(con); 1988 if (verify_error != X509_V_OK) 1989 { 1990 BIO_printf(bio_err,"verify error:%s\n", 1991 X509_verify_cert_error_string(verify_error)); 1992 } 1993 else 1994 ERR_print_errors(bio_err); 1995 return(0); 1996 } 1997 1998 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con)); 1999 2000 peer=SSL_get_peer_certificate(con); 2001 if (peer != NULL) 2002 { 2003 BIO_printf(bio_s_out,"Client certificate\n"); 2004 PEM_write_bio_X509(bio_s_out,peer); 2005 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf); 2006 BIO_printf(bio_s_out,"subject=%s\n",buf); 2007 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf); 2008 BIO_printf(bio_s_out,"issuer=%s\n",buf); 2009 X509_free(peer); 2010 } 2011 2012 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL) 2013 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf); 2014 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2015 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)"); 2016 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n"); 2017 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) & 2018 TLS1_FLAGS_TLS_PADDING_BUG) 2019 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n"); 2020 #ifndef OPENSSL_NO_KRB5 2021 if (con->kssl_ctx->client_princ != NULL) 2022 { 2023 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n", 2024 con->kssl_ctx->client_princ); 2025 } 2026 #endif /* OPENSSL_NO_KRB5 */ 2027 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2028 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2029 return(1); 2030 } 2031 2032 #ifndef OPENSSL_NO_DH 2033 static DH *load_dh_param(const char *dhfile) 2034 { 2035 DH *ret=NULL; 2036 BIO *bio; 2037 2038 if ((bio=BIO_new_file(dhfile,"r")) == NULL) 2039 goto err; 2040 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL); 2041 err: 2042 if (bio != NULL) BIO_free(bio); 2043 return(ret); 2044 } 2045 #endif 2046 2047 #if 0 2048 static int load_CA(SSL_CTX *ctx, char *file) 2049 { 2050 FILE *in; 2051 X509 *x=NULL; 2052 2053 if ((in=fopen(file,"r")) == NULL) 2054 return(0); 2055 2056 for (;;) 2057 { 2058 if (PEM_read_X509(in,&x,NULL) == NULL) 2059 break; 2060 SSL_CTX_add_client_CA(ctx,x); 2061 } 2062 if (x != NULL) X509_free(x); 2063 fclose(in); 2064 return(1); 2065 } 2066 #endif 2067 2068 static int www_body(char *hostname, int s, unsigned char *context) 2069 { 2070 char *buf=NULL; 2071 int ret=1; 2072 int i,j,k,dot; 2073 struct stat st_buf; 2074 SSL *con; 2075 SSL_CIPHER *c; 2076 BIO *io,*ssl_bio,*sbio; 2077 #ifdef RENEG 2078 long total_bytes; 2079 #endif 2080 2081 buf=OPENSSL_malloc(bufsize); 2082 if (buf == NULL) return(0); 2083 io=BIO_new(BIO_f_buffer()); 2084 ssl_bio=BIO_new(BIO_f_ssl()); 2085 if ((io == NULL) || (ssl_bio == NULL)) goto err; 2086 2087 #ifdef FIONBIO 2088 if (s_nbio) 2089 { 2090 unsigned long sl=1; 2091 2092 if (!s_quiet) 2093 BIO_printf(bio_err,"turning on non blocking io\n"); 2094 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0) 2095 ERR_print_errors(bio_err); 2096 } 2097 #endif 2098 2099 /* lets make the output buffer a reasonable size */ 2100 if (!BIO_set_write_buffer_size(io,bufsize)) goto err; 2101 2102 if ((con=SSL_new(ctx)) == NULL) goto err; 2103 #ifndef OPENSSL_NO_TLSEXT 2104 if (s_tlsextdebug) 2105 { 2106 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2107 SSL_set_tlsext_debug_arg(con, bio_s_out); 2108 } 2109 #endif 2110 #ifndef OPENSSL_NO_KRB5 2111 if ((con->kssl_ctx = kssl_ctx_new()) != NULL) 2112 { 2113 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC); 2114 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB); 2115 } 2116 #endif /* OPENSSL_NO_KRB5 */ 2117 if(context) SSL_set_session_id_context(con, context, 2118 strlen((char *)context)); 2119 2120 sbio=BIO_new_socket(s,BIO_NOCLOSE); 2121 if (s_nbio_test) 2122 { 2123 BIO *test; 2124 2125 test=BIO_new(BIO_f_nbio_test()); 2126 sbio=BIO_push(test,sbio); 2127 } 2128 SSL_set_bio(con,sbio,sbio); 2129 SSL_set_accept_state(con); 2130 2131 /* SSL_set_fd(con,s); */ 2132 BIO_set_ssl(ssl_bio,con,BIO_CLOSE); 2133 BIO_push(io,ssl_bio); 2134 #ifdef CHARSET_EBCDIC 2135 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io); 2136 #endif 2137 2138 if (s_debug) 2139 { 2140 con->debug=1; 2141 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); 2142 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); 2143 } 2144 if (s_msg) 2145 { 2146 SSL_set_msg_callback(con, msg_cb); 2147 SSL_set_msg_callback_arg(con, bio_s_out); 2148 } 2149 2150 for (;;) 2151 { 2152 if (hack) 2153 { 2154 i=SSL_accept(con); 2155 2156 switch (SSL_get_error(con,i)) 2157 { 2158 case SSL_ERROR_NONE: 2159 break; 2160 case SSL_ERROR_WANT_WRITE: 2161 case SSL_ERROR_WANT_READ: 2162 case SSL_ERROR_WANT_X509_LOOKUP: 2163 continue; 2164 case SSL_ERROR_SYSCALL: 2165 case SSL_ERROR_SSL: 2166 case SSL_ERROR_ZERO_RETURN: 2167 ret=1; 2168 goto err; 2169 /* break; */ 2170 } 2171 2172 SSL_renegotiate(con); 2173 SSL_write(con,NULL,0); 2174 } 2175 2176 i=BIO_gets(io,buf,bufsize-1); 2177 if (i < 0) /* error */ 2178 { 2179 if (!BIO_should_retry(io)) 2180 { 2181 if (!s_quiet) 2182 ERR_print_errors(bio_err); 2183 goto err; 2184 } 2185 else 2186 { 2187 BIO_printf(bio_s_out,"read R BLOCK\n"); 2188 #if defined(OPENSSL_SYS_NETWARE) 2189 delay(1000); 2190 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2191 sleep(1); 2192 #endif 2193 continue; 2194 } 2195 } 2196 else if (i == 0) /* end of input */ 2197 { 2198 ret=1; 2199 goto end; 2200 } 2201 2202 /* else we have data */ 2203 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) || 2204 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0))) 2205 { 2206 char *p; 2207 X509 *peer; 2208 STACK_OF(SSL_CIPHER) *sk; 2209 static const char *space=" "; 2210 2211 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2212 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2213 BIO_puts(io,"<pre>\n"); 2214 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2215 BIO_puts(io,"\n"); 2216 for (i=0; i<local_argc; i++) 2217 { 2218 BIO_puts(io,local_argv[i]); 2219 BIO_write(io," ",1); 2220 } 2221 BIO_puts(io,"\n"); 2222 2223 /* The following is evil and should not really 2224 * be done */ 2225 BIO_printf(io,"Ciphers supported in s_server binary\n"); 2226 sk=SSL_get_ciphers(con); 2227 j=sk_SSL_CIPHER_num(sk); 2228 for (i=0; i<j; i++) 2229 { 2230 c=sk_SSL_CIPHER_value(sk,i); 2231 BIO_printf(io,"%-11s:%-25s", 2232 SSL_CIPHER_get_version(c), 2233 SSL_CIPHER_get_name(c)); 2234 if ((((i+1)%2) == 0) && (i+1 != j)) 2235 BIO_puts(io,"\n"); 2236 } 2237 BIO_puts(io,"\n"); 2238 p=SSL_get_shared_ciphers(con,buf,bufsize); 2239 if (p != NULL) 2240 { 2241 BIO_printf(io,"---\nCiphers common between both SSL end points:\n"); 2242 j=i=0; 2243 while (*p) 2244 { 2245 if (*p == ':') 2246 { 2247 BIO_write(io,space,26-j); 2248 i++; 2249 j=0; 2250 BIO_write(io,((i%3)?" ":"\n"),1); 2251 } 2252 else 2253 { 2254 BIO_write(io,p,1); 2255 j++; 2256 } 2257 p++; 2258 } 2259 BIO_puts(io,"\n"); 2260 } 2261 BIO_printf(io,((con->hit) 2262 ?"---\nReused, " 2263 :"---\nNew, ")); 2264 c=SSL_get_current_cipher(con); 2265 BIO_printf(io,"%s, Cipher is %s\n", 2266 SSL_CIPHER_get_version(c), 2267 SSL_CIPHER_get_name(c)); 2268 SSL_SESSION_print(io,SSL_get_session(con)); 2269 BIO_printf(io,"---\n"); 2270 print_stats(io,SSL_get_SSL_CTX(con)); 2271 BIO_printf(io,"---\n"); 2272 peer=SSL_get_peer_certificate(con); 2273 if (peer != NULL) 2274 { 2275 BIO_printf(io,"Client certificate\n"); 2276 X509_print(io,peer); 2277 PEM_write_bio_X509(io,peer); 2278 } 2279 else 2280 BIO_puts(io,"no client certificate available\n"); 2281 BIO_puts(io,"</BODY></HTML>\r\n\r\n"); 2282 break; 2283 } 2284 else if ((www == 2 || www == 3) 2285 && (strncmp("GET /",buf,5) == 0)) 2286 { 2287 BIO *file; 2288 char *p,*e; 2289 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 2290 2291 /* skip the '/' */ 2292 p= &(buf[5]); 2293 2294 dot = 1; 2295 for (e=p; *e != '\0'; e++) 2296 { 2297 if (e[0] == ' ') 2298 break; 2299 2300 switch (dot) 2301 { 2302 case 1: 2303 dot = (e[0] == '.') ? 2 : 0; 2304 break; 2305 case 2: 2306 dot = (e[0] == '.') ? 3 : 0; 2307 break; 2308 case 3: 2309 dot = (e[0] == '/') ? -1 : 0; 2310 break; 2311 } 2312 if (dot == 0) 2313 dot = (e[0] == '/') ? 1 : 0; 2314 } 2315 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */ 2316 2317 if (*e == '\0') 2318 { 2319 BIO_puts(io,text); 2320 BIO_printf(io,"'%s' is an invalid file name\r\n",p); 2321 break; 2322 } 2323 *e='\0'; 2324 2325 if (dot) 2326 { 2327 BIO_puts(io,text); 2328 BIO_printf(io,"'%s' contains '..' reference\r\n",p); 2329 break; 2330 } 2331 2332 if (*p == '/') 2333 { 2334 BIO_puts(io,text); 2335 BIO_printf(io,"'%s' is an invalid path\r\n",p); 2336 break; 2337 } 2338 2339 #if 0 2340 /* append if a directory lookup */ 2341 if (e[-1] == '/') 2342 strcat(p,"index.html"); 2343 #endif 2344 2345 /* if a directory, do the index thang */ 2346 if (stat(p,&st_buf) < 0) 2347 { 2348 BIO_puts(io,text); 2349 BIO_printf(io,"Error accessing '%s'\r\n",p); 2350 ERR_print_errors(io); 2351 break; 2352 } 2353 if (S_ISDIR(st_buf.st_mode)) 2354 { 2355 #if 0 /* must check buffer size */ 2356 strcat(p,"/index.html"); 2357 #else 2358 BIO_puts(io,text); 2359 BIO_printf(io,"'%s' is a directory\r\n",p); 2360 break; 2361 #endif 2362 } 2363 2364 if ((file=BIO_new_file(p,"r")) == NULL) 2365 { 2366 BIO_puts(io,text); 2367 BIO_printf(io,"Error opening '%s'\r\n",p); 2368 ERR_print_errors(io); 2369 break; 2370 } 2371 2372 if (!s_quiet) 2373 BIO_printf(bio_err,"FILE:%s\n",p); 2374 2375 if (www == 2) 2376 { 2377 i=strlen(p); 2378 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) || 2379 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) || 2380 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0))) 2381 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2382 else 2383 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 2384 } 2385 /* send the file */ 2386 #ifdef RENEG 2387 total_bytes=0; 2388 #endif 2389 for (;;) 2390 { 2391 i=BIO_read(file,buf,bufsize); 2392 if (i <= 0) break; 2393 2394 #ifdef RENEG 2395 total_bytes+=i; 2396 fprintf(stderr,"%d\n",i); 2397 if (total_bytes > 3*1024) 2398 { 2399 total_bytes=0; 2400 fprintf(stderr,"RENEGOTIATE\n"); 2401 SSL_renegotiate(con); 2402 } 2403 #endif 2404 2405 for (j=0; j<i; ) 2406 { 2407 #ifdef RENEG 2408 { static count=0; if (++count == 13) { SSL_renegotiate(con); } } 2409 #endif 2410 k=BIO_write(io,&(buf[j]),i-j); 2411 if (k <= 0) 2412 { 2413 if (!BIO_should_retry(io)) 2414 goto write_error; 2415 else 2416 { 2417 BIO_printf(bio_s_out,"rwrite W BLOCK\n"); 2418 } 2419 } 2420 else 2421 { 2422 j+=k; 2423 } 2424 } 2425 } 2426 write_error: 2427 BIO_free(file); 2428 break; 2429 } 2430 } 2431 2432 for (;;) 2433 { 2434 i=(int)BIO_flush(io); 2435 if (i <= 0) 2436 { 2437 if (!BIO_should_retry(io)) 2438 break; 2439 } 2440 else 2441 break; 2442 } 2443 end: 2444 #if 1 2445 /* make sure we re-use sessions */ 2446 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2447 #else 2448 /* This kills performance */ 2449 /* SSL_shutdown(con); A shutdown gets sent in the 2450 * BIO_free_all(io) procession */ 2451 #endif 2452 2453 err: 2454 2455 if (ret >= 0) 2456 BIO_printf(bio_s_out,"ACCEPT\n"); 2457 2458 if (buf != NULL) OPENSSL_free(buf); 2459 if (io != NULL) BIO_free_all(io); 2460 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 2461 return(ret); 2462 } 2463 2464 #ifndef OPENSSL_NO_RSA 2465 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 2466 { 2467 BIGNUM *bn = NULL; 2468 static RSA *rsa_tmp=NULL; 2469 2470 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 2471 BIO_printf(bio_err,"Allocation error in generating RSA key\n"); 2472 if (!rsa_tmp && bn) 2473 { 2474 if (!s_quiet) 2475 { 2476 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength); 2477 (void)BIO_flush(bio_err); 2478 } 2479 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 2480 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) 2481 { 2482 if(rsa_tmp) RSA_free(rsa_tmp); 2483 rsa_tmp = NULL; 2484 } 2485 if (!s_quiet) 2486 { 2487 BIO_printf(bio_err,"\n"); 2488 (void)BIO_flush(bio_err); 2489 } 2490 BN_free(bn); 2491 } 2492 return(rsa_tmp); 2493 } 2494 #endif 2495 2496 #define MAX_SESSION_ID_ATTEMPTS 10 2497 static int generate_session_id(const SSL *ssl, unsigned char *id, 2498 unsigned int *id_len) 2499 { 2500 unsigned int count = 0; 2501 do { 2502 RAND_pseudo_bytes(id, *id_len); 2503 /* Prefix the session_id with the required prefix. NB: If our 2504 * prefix is too long, clip it - but there will be worse effects 2505 * anyway, eg. the server could only possibly create 1 session 2506 * ID (ie. the prefix!) so all future session negotiations will 2507 * fail due to conflicts. */ 2508 memcpy(id, session_id_prefix, 2509 (strlen(session_id_prefix) < *id_len) ? 2510 strlen(session_id_prefix) : *id_len); 2511 } 2512 while(SSL_has_matching_session_id(ssl, id, *id_len) && 2513 (++count < MAX_SESSION_ID_ATTEMPTS)); 2514 if(count >= MAX_SESSION_ID_ATTEMPTS) 2515 return 0; 2516 return 1; 2517 } 2518