s_server.c revision 1.15
1 /* 2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 /* ==================================================================== 11 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 12 * ECC cipher suite support in OpenSSL originally developed by 13 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 14 */ 15 /* ==================================================================== 16 * Copyright 2005 Nokia. All rights reserved. 17 * 18 * The portions of the attached software ("Contribution") is developed by 19 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 20 * license. 21 * 22 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 23 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 24 * support (see RFC 4279) to OpenSSL. 25 * 26 * No patent licenses or other rights except those expressly stated in 27 * the OpenSSL open source license shall be deemed granted or received 28 * expressly, by implication, estoppel, or otherwise. 29 * 30 * No assurances are provided by Nokia that the Contribution does not 31 * infringe the patent or other intellectual property rights of any third 32 * party or that the license provides you with all the necessary rights 33 * to make use of the Contribution. 34 * 35 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 36 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 37 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 38 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 39 * OTHERWISE. 40 */ 41 42 #include <ctype.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #if defined(_WIN32) 47 /* Included before async.h to avoid some warnings */ 48 # include <windows.h> 49 #endif 50 51 #include <openssl/e_os2.h> 52 #include <openssl/async.h> 53 #include <openssl/ssl.h> 54 55 #ifndef OPENSSL_NO_SOCK 56 57 /* 58 * With IPv6, it looks like Digital has mixed up the proper order of 59 * recursive header file inclusion, resulting in the compiler complaining 60 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is 61 * needed to have fileno() declared correctly... So let's define u_int 62 */ 63 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 64 # define __U_INT 65 typedef unsigned int u_int; 66 #endif 67 68 #include <openssl/lhash.h> 69 #include <openssl/bn.h> 70 #define USE_SOCKETS 71 #include "apps.h" 72 #include <openssl/err.h> 73 #include <openssl/pem.h> 74 #include <openssl/x509.h> 75 #include <openssl/ssl.h> 76 #include <openssl/rand.h> 77 #include <openssl/ocsp.h> 78 #ifndef OPENSSL_NO_DH 79 # include <openssl/dh.h> 80 #endif 81 #ifndef OPENSSL_NO_RSA 82 # include <openssl/rsa.h> 83 #endif 84 #ifndef OPENSSL_NO_SRP 85 # include <openssl/srp.h> 86 #endif 87 #include "s_apps.h" 88 #include "timeouts.h" 89 #ifdef CHARSET_EBCDIC 90 #include <openssl/ebcdic.h> 91 #endif 92 93 static int not_resumable_sess_cb(SSL *s, int is_forward_secure); 94 static int sv_body(int s, int stype, unsigned char *context); 95 static int www_body(int s, int stype, unsigned char *context); 96 static int rev_body(int s, int stype, unsigned char *context); 97 static void close_accept_socket(void); 98 static int init_ssl_connection(SSL *s); 99 static void print_stats(BIO *bp, SSL_CTX *ctx); 100 static int generate_session_id(const SSL *ssl, unsigned char *id, 101 unsigned int *id_len); 102 static void init_session_cache_ctx(SSL_CTX *sctx); 103 static void free_sessions(void); 104 #ifndef OPENSSL_NO_DH 105 static DH *load_dh_param(const char *dhfile); 106 #endif 107 108 static const int bufsize = 16 * 1024; 109 static int accept_socket = -1; 110 111 #define TEST_CERT "server.pem" 112 #define TEST_CERT2 "server2.pem" 113 114 static int s_nbio = 0; 115 static int s_nbio_test = 0; 116 static int s_crlf = 0; 117 static SSL_CTX *ctx = NULL; 118 static SSL_CTX *ctx2 = NULL; 119 static int www = 0; 120 121 static BIO *bio_s_out = NULL; 122 static BIO *bio_s_msg = NULL; 123 static int s_debug = 0; 124 static int s_tlsextdebug = 0; 125 static int s_msg = 0; 126 static int s_quiet = 0; 127 static int s_ign_eof = 0; 128 static int s_brief = 0; 129 130 static char *keymatexportlabel = NULL; 131 static int keymatexportlen = 20; 132 133 static int async = 0; 134 135 static const char *session_id_prefix = NULL; 136 137 #ifndef OPENSSL_NO_DTLS 138 static int enable_timeouts = 0; 139 static long socket_mtu; 140 #endif 141 142 /* 143 * We define this but make it always be 0 in no-dtls builds to simplify the 144 * code. 145 */ 146 static int dtlslisten = 0; 147 148 #ifndef OPENSSL_NO_PSK 149 static const char psk_identity[] = "Client_identity"; 150 char *psk_key = NULL; /* by default PSK is not used */ 151 152 static unsigned int psk_server_cb(SSL *ssl, const char *identity, 153 unsigned char *psk, 154 unsigned int max_psk_len) 155 { 156 long key_len = 0; 157 unsigned char *key; 158 159 if (s_debug) 160 BIO_printf(bio_s_out, "psk_server_cb\n"); 161 if (!identity) { 162 BIO_printf(bio_err, "Error: client did not send PSK identity\n"); 163 goto out_err; 164 } 165 if (s_debug) 166 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n", 167 (int)strlen(identity), identity); 168 169 /* here we could lookup the given identity e.g. from a database */ 170 if (strcmp(identity, psk_identity) != 0) { 171 BIO_printf(bio_s_out, "PSK error: client identity not found" 172 " (got '%s' expected '%s')\n", identity, psk_identity); 173 goto out_err; 174 } 175 if (s_debug) 176 BIO_printf(bio_s_out, "PSK client identity found\n"); 177 178 /* convert the PSK key to binary */ 179 key = OPENSSL_hexstr2buf(psk_key, &key_len); 180 if (key == NULL) { 181 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", 182 psk_key); 183 return 0; 184 } 185 if (key_len > (int)max_psk_len) { 186 BIO_printf(bio_err, 187 "psk buffer of callback is too small (%d) for key (%ld)\n", 188 max_psk_len, key_len); 189 OPENSSL_free(key); 190 return 0; 191 } 192 193 memcpy(psk, key, key_len); 194 OPENSSL_free(key); 195 196 if (s_debug) 197 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len); 198 return key_len; 199 out_err: 200 if (s_debug) 201 BIO_printf(bio_err, "Error in PSK server callback\n"); 202 (void)BIO_flush(bio_err); 203 (void)BIO_flush(bio_s_out); 204 return 0; 205 } 206 #endif 207 208 #ifndef OPENSSL_NO_SRP 209 /* This is a context that we pass to callbacks */ 210 typedef struct srpsrvparm_st { 211 char *login; 212 SRP_VBASE *vb; 213 SRP_user_pwd *user; 214 } srpsrvparm; 215 216 /* 217 * This callback pretends to require some asynchronous logic in order to 218 * obtain a verifier. When the callback is called for a new connection we 219 * return with a negative value. This will provoke the accept etc to return 220 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call 221 * (which would normally occur after a worker has finished) and we set the 222 * user parameters. 223 */ 224 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 225 { 226 srpsrvparm *p = (srpsrvparm *) arg; 227 int ret = SSL3_AL_FATAL; 228 229 if (p->login == NULL && p->user == NULL) { 230 p->login = SSL_get_srp_username(s); 231 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 232 return (-1); 233 } 234 235 if (p->user == NULL) { 236 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 237 goto err; 238 } 239 240 if (SSL_set_srp_server_param 241 (s, p->user->N, p->user->g, p->user->s, p->user->v, 242 p->user->info) < 0) { 243 *ad = SSL_AD_INTERNAL_ERROR; 244 goto err; 245 } 246 BIO_printf(bio_err, 247 "SRP parameters set: username = \"%s\" info=\"%s\" \n", 248 p->login, p->user->info); 249 ret = SSL_ERROR_NONE; 250 251 err: 252 SRP_user_pwd_free(p->user); 253 p->user = NULL; 254 p->login = NULL; 255 return ret; 256 } 257 258 #endif 259 260 static int local_argc = 0; 261 static char **local_argv; 262 263 #ifdef CHARSET_EBCDIC 264 static int ebcdic_new(BIO *bi); 265 static int ebcdic_free(BIO *a); 266 static int ebcdic_read(BIO *b, char *out, int outl); 267 static int ebcdic_write(BIO *b, const char *in, int inl); 268 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 269 static int ebcdic_gets(BIO *bp, char *buf, int size); 270 static int ebcdic_puts(BIO *bp, const char *str); 271 272 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 273 static BIO_METHOD *methods_ebcdic = NULL; 274 275 /* This struct is "unwarranted chumminess with the compiler." */ 276 typedef struct { 277 size_t alloced; 278 char buff[1]; 279 } EBCDIC_OUTBUFF; 280 281 static const BIO_METHOD *BIO_f_ebcdic_filter() 282 { 283 if (methods_ebcdic == NULL) { 284 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER, 285 "EBCDIC/ASCII filter"); 286 if (methods_ebcdic == NULL 287 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write) 288 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read) 289 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts) 290 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets) 291 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl) 292 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new) 293 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free)) 294 return NULL; 295 } 296 return methods_ebcdic; 297 } 298 299 static int ebcdic_new(BIO *bi) 300 { 301 EBCDIC_OUTBUFF *wbuf; 302 303 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf"); 304 wbuf->alloced = 1024; 305 wbuf->buff[0] = '\0'; 306 307 BIO_set_data(bi, wbuf); 308 BIO_set_init(bi, 1); 309 return 1; 310 } 311 312 static int ebcdic_free(BIO *a) 313 { 314 EBCDIC_OUTBUFF *wbuf; 315 316 if (a == NULL) 317 return 0; 318 wbuf = BIO_get_data(a); 319 OPENSSL_free(wbuf); 320 BIO_set_data(a, NULL); 321 BIO_set_init(a, 0); 322 323 return 1; 324 } 325 326 static int ebcdic_read(BIO *b, char *out, int outl) 327 { 328 int ret = 0; 329 BIO *next = BIO_next(b); 330 331 if (out == NULL || outl == 0) 332 return (0); 333 if (next == NULL) 334 return (0); 335 336 ret = BIO_read(next, out, outl); 337 if (ret > 0) 338 ascii2ebcdic(out, out, ret); 339 return ret; 340 } 341 342 static int ebcdic_write(BIO *b, const char *in, int inl) 343 { 344 EBCDIC_OUTBUFF *wbuf; 345 BIO *next = BIO_next(b); 346 int ret = 0; 347 int num; 348 349 if ((in == NULL) || (inl <= 0)) 350 return (0); 351 if (next == NULL) 352 return 0; 353 354 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b); 355 356 if (inl > (num = wbuf->alloced)) { 357 num = num + num; /* double the size */ 358 if (num < inl) 359 num = inl; 360 OPENSSL_free(wbuf); 361 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf"); 362 363 wbuf->alloced = num; 364 wbuf->buff[0] = '\0'; 365 366 BIO_set_data(b, wbuf); 367 } 368 369 ebcdic2ascii(wbuf->buff, in, inl); 370 371 ret = BIO_write(next, wbuf->buff, inl); 372 373 return (ret); 374 } 375 376 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 377 { 378 long ret; 379 BIO *next = BIO_next(b); 380 381 if (next == NULL) 382 return (0); 383 switch (cmd) { 384 case BIO_CTRL_DUP: 385 ret = 0L; 386 break; 387 default: 388 ret = BIO_ctrl(next, cmd, num, ptr); 389 break; 390 } 391 return (ret); 392 } 393 394 static int ebcdic_gets(BIO *bp, char *buf, int size) 395 { 396 int i, ret = 0; 397 BIO *next = BIO_next(bp); 398 399 if (next == NULL) 400 return 0; 401 /* return(BIO_gets(bp->next_bio,buf,size));*/ 402 for (i = 0; i < size - 1; ++i) { 403 ret = ebcdic_read(bp, &buf[i], 1); 404 if (ret <= 0) 405 break; 406 else if (buf[i] == '\n') { 407 ++i; 408 break; 409 } 410 } 411 if (i < size) 412 buf[i] = '\0'; 413 return (ret < 0 && i == 0) ? ret : i; 414 } 415 416 static int ebcdic_puts(BIO *bp, const char *str) 417 { 418 if (BIO_next(bp) == NULL) 419 return 0; 420 return ebcdic_write(bp, str, strlen(str)); 421 } 422 #endif 423 424 /* This is a context that we pass to callbacks */ 425 typedef struct tlsextctx_st { 426 char *servername; 427 BIO *biodebug; 428 int extension_error; 429 } tlsextctx; 430 431 static int ssl_servername_cb(SSL *s, int *ad, void *arg) 432 { 433 tlsextctx *p = (tlsextctx *) arg; 434 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 435 if (servername && p->biodebug) 436 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", 437 servername); 438 439 if (!p->servername) 440 return SSL_TLSEXT_ERR_NOACK; 441 442 if (servername) { 443 if (strcasecmp(servername, p->servername)) 444 return p->extension_error; 445 if (ctx2) { 446 BIO_printf(p->biodebug, "Switching server context.\n"); 447 SSL_set_SSL_CTX(s, ctx2); 448 } 449 } 450 return SSL_TLSEXT_ERR_OK; 451 } 452 453 /* Structure passed to cert status callback */ 454 typedef struct tlsextstatusctx_st { 455 /* Default responder to use */ 456 char *host, *path, *port; 457 int use_ssl; 458 int timeout; 459 int verbose; 460 } tlsextstatusctx; 461 462 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 }; 463 464 #ifndef OPENSSL_NO_OCSP 465 /* 466 * Certificate Status callback. This is called when a client includes a 467 * certificate status request extension. This is a simplified version. It 468 * examines certificates each time and makes one OCSP responder query for 469 * each request. A full version would store details such as the OCSP 470 * certificate IDs and minimise the number of OCSP responses by caching them 471 * until they were considered "expired". 472 */ 473 474 static int cert_status_cb(SSL *s, void *arg) 475 { 476 tlsextstatusctx *srctx = arg; 477 char *host = NULL, *port = NULL, *path = NULL; 478 int use_ssl; 479 unsigned char *rspder = NULL; 480 int rspderlen; 481 STACK_OF(OPENSSL_STRING) *aia = NULL; 482 X509 *x = NULL; 483 X509_STORE_CTX *inctx = NULL; 484 X509_OBJECT *obj; 485 OCSP_REQUEST *req = NULL; 486 OCSP_RESPONSE *resp = NULL; 487 OCSP_CERTID *id = NULL; 488 STACK_OF(X509_EXTENSION) *exts; 489 int ret = SSL_TLSEXT_ERR_NOACK; 490 int i; 491 492 if (srctx->verbose) 493 BIO_puts(bio_err, "cert_status: callback called\n"); 494 /* Build up OCSP query from server certificate */ 495 x = SSL_get_certificate(s); 496 aia = X509_get1_ocsp(x); 497 if (aia) { 498 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 499 &host, &port, &path, &use_ssl)) { 500 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n"); 501 goto err; 502 } 503 if (srctx->verbose) 504 BIO_printf(bio_err, "cert_status: AIA URL: %s\n", 505 sk_OPENSSL_STRING_value(aia, 0)); 506 } else { 507 if (!srctx->host) { 508 BIO_puts(bio_err, 509 "cert_status: no AIA and no default responder URL\n"); 510 goto done; 511 } 512 host = srctx->host; 513 path = srctx->path; 514 port = srctx->port; 515 use_ssl = srctx->use_ssl; 516 } 517 518 inctx = X509_STORE_CTX_new(); 519 if (inctx == NULL) 520 goto err; 521 if (!X509_STORE_CTX_init(inctx, 522 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 523 NULL, NULL)) 524 goto err; 525 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509, 526 X509_get_issuer_name(x)); 527 if (obj == NULL) { 528 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n"); 529 goto done; 530 } 531 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj)); 532 X509_OBJECT_free(obj); 533 if (!id) 534 goto err; 535 req = OCSP_REQUEST_new(); 536 if (req == NULL) 537 goto err; 538 if (!OCSP_request_add0_id(req, id)) 539 goto err; 540 id = NULL; 541 /* Add any extensions to the request */ 542 SSL_get_tlsext_status_exts(s, &exts); 543 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 544 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 545 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 546 goto err; 547 } 548 resp = process_responder(req, host, path, port, use_ssl, NULL, 549 srctx->timeout); 550 if (!resp) { 551 BIO_puts(bio_err, "cert_status: error querying responder\n"); 552 goto done; 553 } 554 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 555 if (rspderlen <= 0) 556 goto err; 557 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 558 if (srctx->verbose) { 559 BIO_puts(bio_err, "cert_status: ocsp response sent:\n"); 560 OCSP_RESPONSE_print(bio_err, resp, 2); 561 } 562 ret = SSL_TLSEXT_ERR_OK; 563 goto done; 564 565 err: 566 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 567 done: 568 if (ret != SSL_TLSEXT_ERR_OK) 569 ERR_print_errors(bio_err); 570 if (aia) { 571 OPENSSL_free(host); 572 OPENSSL_free(path); 573 OPENSSL_free(port); 574 X509_email_free(aia); 575 } 576 OCSP_CERTID_free(id); 577 OCSP_REQUEST_free(req); 578 OCSP_RESPONSE_free(resp); 579 X509_STORE_CTX_free(inctx); 580 return ret; 581 } 582 #endif 583 584 #ifndef OPENSSL_NO_NEXTPROTONEG 585 /* This is the context that we pass to next_proto_cb */ 586 typedef struct tlsextnextprotoctx_st { 587 unsigned char *data; 588 size_t len; 589 } tlsextnextprotoctx; 590 591 static int next_proto_cb(SSL *s, const unsigned char **data, 592 unsigned int *len, void *arg) 593 { 594 tlsextnextprotoctx *next_proto = arg; 595 596 *data = next_proto->data; 597 *len = next_proto->len; 598 599 return SSL_TLSEXT_ERR_OK; 600 } 601 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 602 603 /* This the context that we pass to alpn_cb */ 604 typedef struct tlsextalpnctx_st { 605 unsigned char *data; 606 size_t len; 607 } tlsextalpnctx; 608 609 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, 610 const unsigned char *in, unsigned int inlen, void *arg) 611 { 612 tlsextalpnctx *alpn_ctx = arg; 613 614 if (!s_quiet) { 615 /* We can assume that |in| is syntactically valid. */ 616 unsigned int i; 617 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: "); 618 for (i = 0; i < inlen;) { 619 if (i) 620 BIO_write(bio_s_out, ", ", 2); 621 BIO_write(bio_s_out, &in[i + 1], in[i]); 622 i += in[i] + 1; 623 } 624 BIO_write(bio_s_out, "\n", 1); 625 } 626 627 if (SSL_select_next_proto 628 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in, 629 inlen) != OPENSSL_NPN_NEGOTIATED) { 630 return SSL_TLSEXT_ERR_NOACK; 631 } 632 633 if (!s_quiet) { 634 BIO_printf(bio_s_out, "ALPN protocols selected: "); 635 BIO_write(bio_s_out, *out, *outlen); 636 BIO_write(bio_s_out, "\n", 1); 637 } 638 639 return SSL_TLSEXT_ERR_OK; 640 } 641 642 static int not_resumable_sess_cb(SSL *s, int is_forward_secure) 643 { 644 /* disable resumption for sessions with forward secure ciphers */ 645 return is_forward_secure; 646 } 647 648 #ifndef OPENSSL_NO_SRP 649 static srpsrvparm srp_callback_parm; 650 #endif 651 #ifndef OPENSSL_NO_SRTP 652 static char *srtp_profiles = NULL; 653 #endif 654 655 typedef enum OPTION_choice { 656 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE, 657 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT, 658 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL, 659 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM, 660 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT, 661 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT, 662 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE, 663 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET, 664 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, 665 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF, 666 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE, 667 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE, 668 OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF, 669 OPT_QUIET, OPT_BRIEF, OPT_NO_DHE, 670 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE, 671 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, 672 OPT_SSL_CONFIG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF, 673 OPT_SSL3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1, 674 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, 675 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL, 676 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, 677 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, 678 OPT_S_ENUM, 679 OPT_V_ENUM, 680 OPT_X_ENUM 681 } OPTION_CHOICE; 682 683 OPTIONS s_server_options[] = { 684 {"help", OPT_HELP, '-', "Display this summary"}, 685 {"port", OPT_PORT, 'p', 686 "TCP/IP port to listen on for connections (default is " PORT ")"}, 687 {"accept", OPT_ACCEPT, 's', 688 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"}, 689 #ifdef AF_UNIX 690 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"}, 691 #endif 692 {"4", OPT_4, '-', "Use IPv4 only"}, 693 {"6", OPT_6, '-', "Use IPv6 only"}, 694 #ifdef AF_UNIX 695 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"}, 696 #endif 697 {"context", OPT_CONTEXT, 's', "Set session ID context"}, 698 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"}, 699 {"Verify", OPT_UPPER_V_VERIFY, 'n', 700 "Turn on peer certificate verification, must have a cert"}, 701 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT}, 702 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"}, 703 {"serverinfo", OPT_SERVERINFO, 's', 704 "PEM serverinfo file for certificate"}, 705 {"certform", OPT_CERTFORM, 'F', 706 "Certificate format (PEM or DER) PEM default"}, 707 {"key", OPT_KEY, 's', 708 "Private Key if not in -cert; default is " TEST_CERT}, 709 {"keyform", OPT_KEYFORM, 'f', 710 "Key format (PEM, DER or ENGINE) PEM default"}, 711 {"pass", OPT_PASS, 's', "Private key file pass phrase source"}, 712 {"dcert", OPT_DCERT, '<', 713 "Second certificate file to use (usually for DSA)"}, 714 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"}, 715 {"dcertform", OPT_DCERTFORM, 'F', 716 "Second certificate format (PEM or DER) PEM default"}, 717 {"dkey", OPT_DKEY, '<', 718 "Second private key file to use (usually for DSA)"}, 719 {"dkeyform", OPT_DKEYFORM, 'F', 720 "Second key format (PEM, DER or ENGINE) PEM default"}, 721 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"}, 722 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"}, 723 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"}, 724 {"debug", OPT_DEBUG, '-', "Print more output"}, 725 {"msg", OPT_MSG, '-', "Show protocol messages"}, 726 {"msgfile", OPT_MSGFILE, '>', 727 "File to send output of -msg or -trace, instead of stdout"}, 728 {"state", OPT_STATE, '-', "Print the SSL states"}, 729 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"}, 730 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"}, 731 {"no-CAfile", OPT_NOCAFILE, '-', 732 "Do not load the default certificates file"}, 733 {"no-CApath", OPT_NOCAPATH, '-', 734 "Do not load certificates from the default certificates directory"}, 735 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"}, 736 {"quiet", OPT_QUIET, '-', "No server output"}, 737 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-', 738 "Disable caching and tickets if ephemeral (EC)DH is used"}, 739 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"}, 740 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"}, 741 {"servername", OPT_SERVERNAME, 's', 742 "Servername for HostName TLS extension"}, 743 {"servername_fatal", OPT_SERVERNAME_FATAL, '-', 744 "mismatch send fatal alert (default warning alert)"}, 745 {"cert2", OPT_CERT2, '<', 746 "Certificate file to use for servername; default is" TEST_CERT2}, 747 {"key2", OPT_KEY2, '<', 748 "-Private Key file to use for servername if not in -cert2"}, 749 {"tlsextdebug", OPT_TLSEXTDEBUG, '-', 750 "Hex dump of all TLS extensions received"}, 751 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"}, 752 {"id_prefix", OPT_ID_PREFIX, 's', 753 "Generate SSL/TLS session IDs prefixed by arg"}, 754 {"rand", OPT_RAND, 's', 755 "Load the file(s) into the random number generator"}, 756 {"keymatexport", OPT_KEYMATEXPORT, 's', 757 "Export keying material using label"}, 758 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p', 759 "Export len bytes of keying material (default 20)"}, 760 {"CRL", OPT_CRL, '<', "CRL file to use"}, 761 {"crl_download", OPT_CRL_DOWNLOAD, '-', 762 "Download CRL from distribution points"}, 763 {"cert_chain", OPT_CERT_CHAIN, '<', 764 "certificate chain file in PEM format"}, 765 {"dcert_chain", OPT_DCERT_CHAIN, '<', 766 "second certificate chain file in PEM format"}, 767 {"chainCApath", OPT_CHAINCAPATH, '/', 768 "use dir as certificate store path to build CA certificate chain"}, 769 {"verifyCApath", OPT_VERIFYCAPATH, '/', 770 "use dir as certificate store path to verify CA certificate"}, 771 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"}, 772 {"ext_cache", OPT_EXT_CACHE, '-', 773 "Disable internal cache, setup and use external cache"}, 774 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"}, 775 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-', 776 "Close connection on verification error"}, 777 {"verify_quiet", OPT_VERIFY_QUIET, '-', 778 "No verify output except verify errors"}, 779 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"}, 780 {"chainCAfile", OPT_CHAINCAFILE, '<', 781 "CA file for certificate chain (PEM format)"}, 782 {"verifyCAfile", OPT_VERIFYCAFILE, '<', 783 "CA file for certificate verification (PEM format)"}, 784 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"}, 785 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"}, 786 #ifndef OPENSSL_NO_OCSP 787 {"status", OPT_STATUS, '-', "Request certificate status from server"}, 788 {"status_verbose", OPT_STATUS_VERBOSE, '-', 789 "Print more output in certificate status callback"}, 790 {"status_timeout", OPT_STATUS_TIMEOUT, 'n', 791 "Status request responder timeout"}, 792 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"}, 793 #endif 794 #ifndef OPENSSL_NO_SSL_TRACE 795 {"trace", OPT_TRACE, '-', "trace protocol messages"}, 796 #endif 797 {"security_debug", OPT_SECURITY_DEBUG, '-', 798 "Print output from SSL/TLS security framework"}, 799 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-', 800 "Print more output from SSL/TLS security framework"}, 801 {"brief", OPT_BRIEF, '-', 802 "Restrict output to brief summary of connection parameters"}, 803 {"rev", OPT_REV, '-', 804 "act as a simple test server which just sends back with the received text reversed"}, 805 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"}, 806 {"ssl_config", OPT_SSL_CONFIG, 's', 807 "Configure SSL_CTX using the configuration 'val'"}, 808 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n', 809 "Size used to split data for encrypt pipelines"}, 810 {"max_pipelines", OPT_MAX_PIPELINES, 'n', 811 "Maximum number of encrypt/decrypt pipelines to be used"}, 812 {"read_buf", OPT_READ_BUF, 'n', 813 "Default read buffer size to be used for connections"}, 814 OPT_S_OPTIONS, 815 OPT_V_OPTIONS, 816 OPT_X_OPTIONS, 817 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"}, 818 #ifndef OPENSSL_NO_PSK 819 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"}, 820 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"}, 821 #endif 822 #ifndef OPENSSL_NO_SRP 823 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"}, 824 {"srpuserseed", OPT_SRPUSERSEED, 's', 825 "A seed string for a default user salt"}, 826 #endif 827 #ifndef OPENSSL_NO_SSL3 828 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"}, 829 #endif 830 #ifndef OPENSSL_NO_TLS1 831 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"}, 832 #endif 833 #ifndef OPENSSL_NO_TLS1_1 834 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"}, 835 #endif 836 #ifndef OPENSSL_NO_TLS1_2 837 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"}, 838 #endif 839 #ifndef OPENSSL_NO_DTLS 840 {"dtls", OPT_DTLS, '-', "Use any DTLS version"}, 841 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"}, 842 {"mtu", OPT_MTU, 'p', "Set link layer MTU"}, 843 {"listen", OPT_LISTEN, '-', 844 "Listen for a DTLS ClientHello with a cookie and then connect"}, 845 #endif 846 #ifndef OPENSSL_NO_DTLS1 847 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"}, 848 #endif 849 #ifndef OPENSSL_NO_DTLS1_2 850 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"}, 851 #endif 852 #ifndef OPENSSL_NO_DH 853 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"}, 854 #endif 855 #ifndef OPENSSL_NO_NEXTPROTONEG 856 {"nextprotoneg", OPT_NEXTPROTONEG, 's', 857 "Set the advertised protocols for the NPN extension (comma-separated list)"}, 858 #endif 859 #ifndef OPENSSL_NO_SRTP 860 {"use_srtp", OPT_SRTP_PROFILES, 's', 861 "Offer SRTP key management with a colon-separated profile list"}, 862 #endif 863 {"alpn", OPT_ALPN, 's', 864 "Set the advertised protocols for the ALPN extension (comma-separated list)"}, 865 #ifndef OPENSSL_NO_ENGINE 866 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, 867 #endif 868 {NULL, OPT_EOF, 0, NULL} 869 }; 870 871 #define IS_PROT_FLAG(o) \ 872 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \ 873 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2) 874 875 int s_server_main(int argc, char *argv[]) 876 { 877 ENGINE *engine = NULL; 878 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 879 SSL_CONF_CTX *cctx = NULL; 880 const SSL_METHOD *meth = TLS_server_method(); 881 SSL_EXCERT *exc = NULL; 882 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 883 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; 884 STACK_OF(X509_CRL) *crls = NULL; 885 X509 *s_cert = NULL, *s_dcert = NULL; 886 X509_VERIFY_PARAM *vpm = NULL; 887 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL; 888 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL; 889 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL; 890 char *crl_file = NULL, *prog; 891 #ifdef AF_UNIX 892 int unlink_unix_path = 0; 893 #endif 894 do_server_cb server_cb; 895 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0; 896 #ifndef OPENSSL_NO_DH 897 char *dhfile = NULL; 898 int no_dhe = 0; 899 #endif 900 int nocert = 0, ret = 1; 901 int noCApath = 0, noCAfile = 0; 902 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 903 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 904 int rev = 0, naccept = -1, sdebug = 0; 905 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM; 906 int state = 0, crl_format = FORMAT_PEM, crl_download = 0; 907 char *host = NULL; 908 char *port = BUF_strdup(PORT); 909 unsigned char *context = NULL; 910 OPTION_CHOICE o; 911 EVP_PKEY *s_key2 = NULL; 912 X509 *s_cert2 = NULL; 913 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 914 const char *ssl_config = NULL; 915 int read_buf_len = 0; 916 #ifndef OPENSSL_NO_NEXTPROTONEG 917 const char *next_proto_neg_in = NULL; 918 tlsextnextprotoctx next_proto = { NULL, 0 }; 919 #endif 920 const char *alpn_in = NULL; 921 tlsextalpnctx alpn_ctx = { NULL, 0 }; 922 #ifndef OPENSSL_NO_PSK 923 /* by default do not send a PSK identity hint */ 924 char *psk_identity_hint = NULL; 925 char *p; 926 #endif 927 #ifndef OPENSSL_NO_SRP 928 char *srpuserseed = NULL; 929 char *srp_verifier_file = NULL; 930 #endif 931 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0; 932 int s_server_verify = SSL_VERIFY_NONE; 933 int s_server_session_id_context = 1; /* anything will do */ 934 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL; 935 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; 936 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL; 937 #ifndef OPENSSL_NO_OCSP 938 int s_tlsextstatus = 0; 939 #endif 940 int no_resume_ephemeral = 0; 941 unsigned int split_send_fragment = 0, max_pipelines = 0; 942 const char *s_serverinfo_file = NULL; 943 944 /* Init of few remaining global variables */ 945 local_argc = argc; 946 local_argv = argv; 947 948 ctx = ctx2 = NULL; 949 s_nbio = s_nbio_test = 0; 950 www = 0; 951 bio_s_out = NULL; 952 s_debug = 0; 953 s_msg = 0; 954 s_quiet = 0; 955 s_brief = 0; 956 async = 0; 957 958 cctx = SSL_CONF_CTX_new(); 959 vpm = X509_VERIFY_PARAM_new(); 960 if (cctx == NULL || vpm == NULL) 961 goto end; 962 SSL_CONF_CTX_set_flags(cctx, 963 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE); 964 965 prog = opt_init(argc, argv, s_server_options); 966 while ((o = opt_next()) != OPT_EOF) { 967 if (IS_PROT_FLAG(o) && ++prot_opt > 1) { 968 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); 969 goto end; 970 } 971 if (IS_NO_PROT_FLAG(o)) 972 no_prot_opt++; 973 if (prot_opt == 1 && no_prot_opt) { 974 BIO_printf(bio_err, 975 "Cannot supply both a protocol flag and '-no_<prot>'\n"); 976 goto end; 977 } 978 switch (o) { 979 case OPT_EOF: 980 case OPT_ERR: 981 opthelp: 982 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); 983 goto end; 984 case OPT_HELP: 985 opt_help(s_server_options); 986 ret = 0; 987 goto end; 988 989 case OPT_4: 990 #ifdef AF_UNIX 991 if (socket_family == AF_UNIX) { 992 OPENSSL_free(host); host = NULL; 993 OPENSSL_free(port); port = NULL; 994 } 995 #endif 996 socket_family = AF_INET; 997 break; 998 case OPT_6: 999 if (1) { 1000 #ifdef AF_INET6 1001 #ifdef AF_UNIX 1002 if (socket_family == AF_UNIX) { 1003 OPENSSL_free(host); host = NULL; 1004 OPENSSL_free(port); port = NULL; 1005 } 1006 #endif 1007 socket_family = AF_INET6; 1008 } else { 1009 #endif 1010 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog); 1011 goto end; 1012 } 1013 break; 1014 case OPT_PORT: 1015 #ifdef AF_UNIX 1016 if (socket_family == AF_UNIX) { 1017 socket_family = AF_UNSPEC; 1018 } 1019 #endif 1020 OPENSSL_free(port); port = NULL; 1021 OPENSSL_free(host); host = NULL; 1022 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) { 1023 BIO_printf(bio_err, 1024 "%s: -port argument malformed or ambiguous\n", 1025 port); 1026 goto end; 1027 } 1028 break; 1029 case OPT_ACCEPT: 1030 #ifdef AF_UNIX 1031 if (socket_family == AF_UNIX) { 1032 socket_family = AF_UNSPEC; 1033 } 1034 #endif 1035 OPENSSL_free(port); port = NULL; 1036 OPENSSL_free(host); host = NULL; 1037 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) { 1038 BIO_printf(bio_err, 1039 "%s: -accept argument malformed or ambiguous\n", 1040 port); 1041 goto end; 1042 } 1043 break; 1044 #ifdef AF_UNIX 1045 case OPT_UNIX: 1046 socket_family = AF_UNIX; 1047 OPENSSL_free(host); host = BUF_strdup(opt_arg()); 1048 OPENSSL_free(port); port = NULL; 1049 break; 1050 case OPT_UNLINK: 1051 unlink_unix_path = 1; 1052 break; 1053 #endif 1054 case OPT_NACCEPT: 1055 naccept = atol(opt_arg()); 1056 break; 1057 case OPT_VERIFY: 1058 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; 1059 verify_args.depth = atoi(opt_arg()); 1060 if (!s_quiet) 1061 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth); 1062 break; 1063 case OPT_UPPER_V_VERIFY: 1064 s_server_verify = 1065 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | 1066 SSL_VERIFY_CLIENT_ONCE; 1067 verify_args.depth = atoi(opt_arg()); 1068 if (!s_quiet) 1069 BIO_printf(bio_err, 1070 "verify depth is %d, must return a certificate\n", 1071 verify_args.depth); 1072 break; 1073 case OPT_CONTEXT: 1074 context = (unsigned char *)opt_arg(); 1075 break; 1076 case OPT_CERT: 1077 s_cert_file = opt_arg(); 1078 break; 1079 case OPT_CRL: 1080 crl_file = opt_arg(); 1081 break; 1082 case OPT_CRL_DOWNLOAD: 1083 crl_download = 1; 1084 break; 1085 case OPT_SERVERINFO: 1086 s_serverinfo_file = opt_arg(); 1087 break; 1088 case OPT_CERTFORM: 1089 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format)) 1090 goto opthelp; 1091 break; 1092 case OPT_KEY: 1093 s_key_file = opt_arg(); 1094 break; 1095 case OPT_KEYFORM: 1096 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format)) 1097 goto opthelp; 1098 break; 1099 case OPT_PASS: 1100 passarg = opt_arg(); 1101 break; 1102 case OPT_CERT_CHAIN: 1103 s_chain_file = opt_arg(); 1104 break; 1105 case OPT_DHPARAM: 1106 #ifndef OPENSSL_NO_DH 1107 dhfile = opt_arg(); 1108 #endif 1109 break; 1110 case OPT_DCERTFORM: 1111 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format)) 1112 goto opthelp; 1113 break; 1114 case OPT_DCERT: 1115 s_dcert_file = opt_arg(); 1116 break; 1117 case OPT_DKEYFORM: 1118 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format)) 1119 goto opthelp; 1120 break; 1121 case OPT_DPASS: 1122 dpassarg = opt_arg(); 1123 break; 1124 case OPT_DKEY: 1125 s_dkey_file = opt_arg(); 1126 break; 1127 case OPT_DCERT_CHAIN: 1128 s_dchain_file = opt_arg(); 1129 break; 1130 case OPT_NOCERT: 1131 nocert = 1; 1132 break; 1133 case OPT_CAPATH: 1134 CApath = opt_arg(); 1135 break; 1136 case OPT_NOCAPATH: 1137 noCApath = 1; 1138 break; 1139 case OPT_CHAINCAPATH: 1140 chCApath = opt_arg(); 1141 break; 1142 case OPT_VERIFYCAPATH: 1143 vfyCApath = opt_arg(); 1144 break; 1145 case OPT_NO_CACHE: 1146 no_cache = 1; 1147 break; 1148 case OPT_EXT_CACHE: 1149 ext_cache = 1; 1150 break; 1151 case OPT_CRLFORM: 1152 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format)) 1153 goto opthelp; 1154 break; 1155 case OPT_S_CASES: 1156 if (ssl_args == NULL) 1157 ssl_args = sk_OPENSSL_STRING_new_null(); 1158 if (ssl_args == NULL 1159 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag()) 1160 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) { 1161 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog); 1162 goto end; 1163 } 1164 break; 1165 case OPT_V_CASES: 1166 if (!opt_verify(o, vpm)) 1167 goto end; 1168 vpmtouched++; 1169 break; 1170 case OPT_X_CASES: 1171 if (!args_excert(o, &exc)) 1172 goto end; 1173 break; 1174 case OPT_VERIFY_RET_ERROR: 1175 verify_args.return_error = 1; 1176 break; 1177 case OPT_VERIFY_QUIET: 1178 verify_args.quiet = 1; 1179 break; 1180 case OPT_BUILD_CHAIN: 1181 build_chain = 1; 1182 break; 1183 case OPT_CAFILE: 1184 CAfile = opt_arg(); 1185 break; 1186 case OPT_NOCAFILE: 1187 noCAfile = 1; 1188 break; 1189 case OPT_CHAINCAFILE: 1190 chCAfile = opt_arg(); 1191 break; 1192 case OPT_VERIFYCAFILE: 1193 vfyCAfile = opt_arg(); 1194 break; 1195 case OPT_NBIO: 1196 s_nbio = 1; 1197 break; 1198 case OPT_NBIO_TEST: 1199 s_nbio = s_nbio_test = 1; 1200 break; 1201 case OPT_IGN_EOF: 1202 s_ign_eof = 1; 1203 break; 1204 case OPT_NO_IGN_EOF: 1205 s_ign_eof = 0; 1206 break; 1207 case OPT_DEBUG: 1208 s_debug = 1; 1209 break; 1210 case OPT_TLSEXTDEBUG: 1211 s_tlsextdebug = 1; 1212 break; 1213 case OPT_STATUS: 1214 #ifndef OPENSSL_NO_OCSP 1215 s_tlsextstatus = 1; 1216 #endif 1217 break; 1218 case OPT_STATUS_VERBOSE: 1219 #ifndef OPENSSL_NO_OCSP 1220 s_tlsextstatus = tlscstatp.verbose = 1; 1221 #endif 1222 break; 1223 case OPT_STATUS_TIMEOUT: 1224 #ifndef OPENSSL_NO_OCSP 1225 s_tlsextstatus = 1; 1226 tlscstatp.timeout = atoi(opt_arg()); 1227 #endif 1228 break; 1229 case OPT_STATUS_URL: 1230 #ifndef OPENSSL_NO_OCSP 1231 s_tlsextstatus = 1; 1232 if (!OCSP_parse_url(opt_arg(), 1233 &tlscstatp.host, 1234 &tlscstatp.port, 1235 &tlscstatp.path, &tlscstatp.use_ssl)) { 1236 BIO_printf(bio_err, "Error parsing URL\n"); 1237 goto end; 1238 } 1239 #endif 1240 break; 1241 case OPT_MSG: 1242 s_msg = 1; 1243 break; 1244 case OPT_MSGFILE: 1245 bio_s_msg = BIO_new_file(opt_arg(), "w"); 1246 break; 1247 case OPT_TRACE: 1248 #ifndef OPENSSL_NO_SSL_TRACE 1249 s_msg = 2; 1250 #endif 1251 break; 1252 case OPT_SECURITY_DEBUG: 1253 sdebug = 1; 1254 break; 1255 case OPT_SECURITY_DEBUG_VERBOSE: 1256 sdebug = 2; 1257 break; 1258 case OPT_STATE: 1259 state = 1; 1260 break; 1261 case OPT_CRLF: 1262 s_crlf = 1; 1263 break; 1264 case OPT_QUIET: 1265 s_quiet = 1; 1266 break; 1267 case OPT_BRIEF: 1268 s_quiet = s_brief = verify_args.quiet = 1; 1269 break; 1270 case OPT_NO_DHE: 1271 #ifndef OPENSSL_NO_DH 1272 no_dhe = 1; 1273 #endif 1274 break; 1275 case OPT_NO_RESUME_EPHEMERAL: 1276 no_resume_ephemeral = 1; 1277 break; 1278 case OPT_PSK_HINT: 1279 #ifndef OPENSSL_NO_PSK 1280 psk_identity_hint = opt_arg(); 1281 #endif 1282 break; 1283 case OPT_PSK: 1284 #ifndef OPENSSL_NO_PSK 1285 for (p = psk_key = opt_arg(); *p; p++) { 1286 if (isxdigit(_UC(*p))) 1287 continue; 1288 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 1289 goto end; 1290 } 1291 #endif 1292 break; 1293 case OPT_SRPVFILE: 1294 #ifndef OPENSSL_NO_SRP 1295 srp_verifier_file = opt_arg(); 1296 if (min_version < TLS1_VERSION) 1297 min_version = TLS1_VERSION; 1298 #endif 1299 break; 1300 case OPT_SRPUSERSEED: 1301 #ifndef OPENSSL_NO_SRP 1302 srpuserseed = opt_arg(); 1303 if (min_version < TLS1_VERSION) 1304 min_version = TLS1_VERSION; 1305 #endif 1306 break; 1307 case OPT_REV: 1308 rev = 1; 1309 break; 1310 case OPT_WWW: 1311 www = 1; 1312 break; 1313 case OPT_UPPER_WWW: 1314 www = 2; 1315 break; 1316 case OPT_HTTP: 1317 www = 3; 1318 break; 1319 case OPT_SSL_CONFIG: 1320 ssl_config = opt_arg(); 1321 break; 1322 case OPT_SSL3: 1323 min_version = SSL3_VERSION; 1324 max_version = SSL3_VERSION; 1325 break; 1326 case OPT_TLS1_2: 1327 min_version = TLS1_2_VERSION; 1328 max_version = TLS1_2_VERSION; 1329 break; 1330 case OPT_TLS1_1: 1331 min_version = TLS1_1_VERSION; 1332 max_version = TLS1_1_VERSION; 1333 break; 1334 case OPT_TLS1: 1335 min_version = TLS1_VERSION; 1336 max_version = TLS1_VERSION; 1337 break; 1338 case OPT_DTLS: 1339 #ifndef OPENSSL_NO_DTLS 1340 meth = DTLS_server_method(); 1341 socket_type = SOCK_DGRAM; 1342 #endif 1343 break; 1344 case OPT_DTLS1: 1345 #ifndef OPENSSL_NO_DTLS 1346 meth = DTLS_server_method(); 1347 min_version = DTLS1_VERSION; 1348 max_version = DTLS1_VERSION; 1349 socket_type = SOCK_DGRAM; 1350 #endif 1351 break; 1352 case OPT_DTLS1_2: 1353 #ifndef OPENSSL_NO_DTLS 1354 meth = DTLS_server_method(); 1355 min_version = DTLS1_2_VERSION; 1356 max_version = DTLS1_2_VERSION; 1357 socket_type = SOCK_DGRAM; 1358 #endif 1359 break; 1360 case OPT_TIMEOUT: 1361 #ifndef OPENSSL_NO_DTLS 1362 enable_timeouts = 1; 1363 #endif 1364 break; 1365 case OPT_MTU: 1366 #ifndef OPENSSL_NO_DTLS 1367 socket_mtu = atol(opt_arg()); 1368 #endif 1369 break; 1370 case OPT_LISTEN: 1371 #ifndef OPENSSL_NO_DTLS 1372 dtlslisten = 1; 1373 #endif 1374 break; 1375 case OPT_ID_PREFIX: 1376 session_id_prefix = opt_arg(); 1377 break; 1378 case OPT_ENGINE: 1379 engine = setup_engine(opt_arg(), 1); 1380 break; 1381 case OPT_RAND: 1382 inrand = opt_arg(); 1383 break; 1384 case OPT_SERVERNAME: 1385 tlsextcbp.servername = opt_arg(); 1386 break; 1387 case OPT_SERVERNAME_FATAL: 1388 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1389 break; 1390 case OPT_CERT2: 1391 s_cert_file2 = opt_arg(); 1392 break; 1393 case OPT_KEY2: 1394 s_key_file2 = opt_arg(); 1395 break; 1396 case OPT_NEXTPROTONEG: 1397 # ifndef OPENSSL_NO_NEXTPROTONEG 1398 next_proto_neg_in = opt_arg(); 1399 #endif 1400 break; 1401 case OPT_ALPN: 1402 alpn_in = opt_arg(); 1403 break; 1404 case OPT_SRTP_PROFILES: 1405 #ifndef OPENSSL_NO_SRTP 1406 srtp_profiles = opt_arg(); 1407 #endif 1408 break; 1409 case OPT_KEYMATEXPORT: 1410 keymatexportlabel = opt_arg(); 1411 break; 1412 case OPT_KEYMATEXPORTLEN: 1413 keymatexportlen = atoi(opt_arg()); 1414 break; 1415 case OPT_ASYNC: 1416 async = 1; 1417 break; 1418 case OPT_SPLIT_SEND_FRAG: 1419 split_send_fragment = atoi(opt_arg()); 1420 if (split_send_fragment == 0) { 1421 /* 1422 * Not allowed - set to a deliberately bad value so we get an 1423 * error message below 1424 */ 1425 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1; 1426 } 1427 break; 1428 case OPT_MAX_PIPELINES: 1429 max_pipelines = atoi(opt_arg()); 1430 break; 1431 case OPT_READ_BUF: 1432 read_buf_len = atoi(opt_arg()); 1433 break; 1434 1435 } 1436 } 1437 argc = opt_num_rest(); 1438 argv = opt_rest(); 1439 1440 #ifndef OPENSSL_NO_DTLS 1441 if (www && socket_type == SOCK_DGRAM) { 1442 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1443 goto end; 1444 } 1445 1446 if (dtlslisten && socket_type != SOCK_DGRAM) { 1447 BIO_printf(bio_err, "Can only use -listen with DTLS\n"); 1448 goto end; 1449 } 1450 #endif 1451 1452 #ifdef AF_UNIX 1453 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) { 1454 BIO_printf(bio_err, 1455 "Can't use unix sockets and datagrams together\n"); 1456 goto end; 1457 } 1458 #endif 1459 1460 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) { 1461 BIO_printf(bio_err, "Bad split send fragment size\n"); 1462 goto end; 1463 } 1464 1465 if (max_pipelines > SSL_MAX_PIPELINES) { 1466 BIO_printf(bio_err, "Bad max pipelines value\n"); 1467 goto end; 1468 } 1469 1470 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) { 1471 BIO_printf(bio_err, "Error getting password\n"); 1472 goto end; 1473 } 1474 1475 if (s_key_file == NULL) 1476 s_key_file = s_cert_file; 1477 1478 if (s_key_file2 == NULL) 1479 s_key_file2 = s_cert_file2; 1480 1481 if (!load_excert(&exc)) 1482 goto end; 1483 1484 if (nocert == 0) { 1485 s_key = load_key(s_key_file, s_key_format, 0, pass, engine, 1486 "server certificate private key file"); 1487 if (!s_key) { 1488 ERR_print_errors(bio_err); 1489 goto end; 1490 } 1491 1492 s_cert = load_cert(s_cert_file, s_cert_format, 1493 "server certificate file"); 1494 1495 if (!s_cert) { 1496 ERR_print_errors(bio_err); 1497 goto end; 1498 } 1499 if (s_chain_file) { 1500 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL, 1501 "server certificate chain")) 1502 goto end; 1503 } 1504 1505 if (tlsextcbp.servername) { 1506 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine, 1507 "second server certificate private key file"); 1508 if (!s_key2) { 1509 ERR_print_errors(bio_err); 1510 goto end; 1511 } 1512 1513 s_cert2 = load_cert(s_cert_file2, s_cert_format, 1514 "second server certificate file"); 1515 1516 if (!s_cert2) { 1517 ERR_print_errors(bio_err); 1518 goto end; 1519 } 1520 } 1521 } 1522 #if !defined(OPENSSL_NO_NEXTPROTONEG) 1523 if (next_proto_neg_in) { 1524 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1525 if (next_proto.data == NULL) 1526 goto end; 1527 } 1528 #endif 1529 alpn_ctx.data = NULL; 1530 if (alpn_in) { 1531 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in); 1532 if (alpn_ctx.data == NULL) 1533 goto end; 1534 } 1535 1536 if (crl_file) { 1537 X509_CRL *crl; 1538 crl = load_crl(crl_file, crl_format); 1539 if (!crl) { 1540 BIO_puts(bio_err, "Error loading CRL\n"); 1541 ERR_print_errors(bio_err); 1542 goto end; 1543 } 1544 crls = sk_X509_CRL_new_null(); 1545 if (!crls || !sk_X509_CRL_push(crls, crl)) { 1546 BIO_puts(bio_err, "Error adding CRL\n"); 1547 ERR_print_errors(bio_err); 1548 X509_CRL_free(crl); 1549 goto end; 1550 } 1551 } 1552 1553 if (s_dcert_file) { 1554 1555 if (s_dkey_file == NULL) 1556 s_dkey_file = s_dcert_file; 1557 1558 s_dkey = load_key(s_dkey_file, s_dkey_format, 1559 0, dpass, engine, "second certificate private key file"); 1560 if (!s_dkey) { 1561 ERR_print_errors(bio_err); 1562 goto end; 1563 } 1564 1565 s_dcert = load_cert(s_dcert_file, s_dcert_format, 1566 "second server certificate file"); 1567 1568 if (!s_dcert) { 1569 ERR_print_errors(bio_err); 1570 goto end; 1571 } 1572 if (s_dchain_file) { 1573 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL, 1574 "second server certificate chain")) 1575 goto end; 1576 } 1577 1578 } 1579 1580 if (!app_RAND_load_file(NULL, 1) && inrand == NULL 1581 && !RAND_status()) { 1582 BIO_printf(bio_err, 1583 "warning, not much extra random data, consider using the -rand option\n"); 1584 } 1585 if (inrand != NULL) 1586 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1587 app_RAND_load_files(inrand)); 1588 1589 if (bio_s_out == NULL) { 1590 if (s_quiet && !s_debug) { 1591 bio_s_out = BIO_new(BIO_s_null()); 1592 if (s_msg && !bio_s_msg) 1593 bio_s_msg = dup_bio_out(FORMAT_TEXT); 1594 } else { 1595 if (bio_s_out == NULL) 1596 bio_s_out = dup_bio_out(FORMAT_TEXT); 1597 } 1598 } 1599 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC) 1600 if (nocert) 1601 #endif 1602 { 1603 s_cert_file = NULL; 1604 s_key_file = NULL; 1605 s_dcert_file = NULL; 1606 s_dkey_file = NULL; 1607 s_cert_file2 = NULL; 1608 s_key_file2 = NULL; 1609 } 1610 1611 ctx = SSL_CTX_new(meth); 1612 if (ctx == NULL) { 1613 ERR_print_errors(bio_err); 1614 goto end; 1615 } 1616 if (sdebug) 1617 ssl_ctx_security_debug(ctx, sdebug); 1618 1619 if (!config_ctx(cctx, ssl_args, ctx)) 1620 goto end; 1621 1622 if (ssl_config) { 1623 if (SSL_CTX_config(ctx, ssl_config) == 0) { 1624 BIO_printf(bio_err, "Error using configuration \"%s\"\n", 1625 ssl_config); 1626 ERR_print_errors(bio_err); 1627 goto end; 1628 } 1629 } 1630 if (min_version != 0 1631 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0) 1632 goto end; 1633 if (max_version != 0 1634 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0) 1635 goto end; 1636 1637 if (session_id_prefix) { 1638 if (strlen(session_id_prefix) >= 32) 1639 BIO_printf(bio_err, 1640 "warning: id_prefix is too long, only one new session will be possible\n"); 1641 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1642 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1643 ERR_print_errors(bio_err); 1644 goto end; 1645 } 1646 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1647 } 1648 SSL_CTX_set_quiet_shutdown(ctx, 1); 1649 if (exc) 1650 ssl_ctx_set_excert(ctx, exc); 1651 1652 if (state) 1653 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1654 if (no_cache) 1655 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1656 else if (ext_cache) 1657 init_session_cache_ctx(ctx); 1658 else 1659 SSL_CTX_sess_set_cache_size(ctx, 128); 1660 1661 if (async) { 1662 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC); 1663 } 1664 if (split_send_fragment > 0) { 1665 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment); 1666 } 1667 if (max_pipelines > 0) { 1668 SSL_CTX_set_max_pipelines(ctx, max_pipelines); 1669 } 1670 1671 if (read_buf_len > 0) { 1672 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len); 1673 } 1674 #ifndef OPENSSL_NO_SRTP 1675 if (srtp_profiles != NULL) { 1676 /* Returns 0 on success! */ 1677 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) { 1678 BIO_printf(bio_err, "Error setting SRTP profile\n"); 1679 ERR_print_errors(bio_err); 1680 goto end; 1681 } 1682 } 1683 #endif 1684 1685 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) { 1686 ERR_print_errors(bio_err); 1687 goto end; 1688 } 1689 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) { 1690 BIO_printf(bio_err, "Error setting verify params\n"); 1691 ERR_print_errors(bio_err); 1692 goto end; 1693 } 1694 1695 ssl_ctx_add_crls(ctx, crls, 0); 1696 1697 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1698 crls, crl_download)) { 1699 BIO_printf(bio_err, "Error loading store locations\n"); 1700 ERR_print_errors(bio_err); 1701 goto end; 1702 } 1703 1704 if (s_cert2) { 1705 ctx2 = SSL_CTX_new(meth); 1706 if (ctx2 == NULL) { 1707 ERR_print_errors(bio_err); 1708 goto end; 1709 } 1710 } 1711 1712 if (ctx2) { 1713 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1714 1715 if (sdebug) 1716 ssl_ctx_security_debug(ctx, sdebug); 1717 1718 if (session_id_prefix) { 1719 if (strlen(session_id_prefix) >= 32) 1720 BIO_printf(bio_err, 1721 "warning: id_prefix is too long, only one new session will be possible\n"); 1722 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1723 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1724 ERR_print_errors(bio_err); 1725 goto end; 1726 } 1727 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1728 } 1729 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1730 if (exc) 1731 ssl_ctx_set_excert(ctx2, exc); 1732 1733 if (state) 1734 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1735 1736 if (no_cache) 1737 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1738 else if (ext_cache) 1739 init_session_cache_ctx(ctx2); 1740 else 1741 SSL_CTX_sess_set_cache_size(ctx2, 128); 1742 1743 if (async) 1744 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC); 1745 1746 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile, 1747 noCApath)) { 1748 ERR_print_errors(bio_err); 1749 goto end; 1750 } 1751 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) { 1752 BIO_printf(bio_err, "Error setting verify params\n"); 1753 ERR_print_errors(bio_err); 1754 goto end; 1755 } 1756 1757 ssl_ctx_add_crls(ctx2, crls, 0); 1758 if (!config_ctx(cctx, ssl_args, ctx2)) 1759 goto end; 1760 } 1761 #ifndef OPENSSL_NO_NEXTPROTONEG 1762 if (next_proto.data) 1763 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1764 &next_proto); 1765 #endif 1766 if (alpn_ctx.data) 1767 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); 1768 1769 #ifndef OPENSSL_NO_DH 1770 if (!no_dhe) { 1771 DH *dh = NULL; 1772 1773 if (dhfile) 1774 dh = load_dh_param(dhfile); 1775 else if (s_cert_file) 1776 dh = load_dh_param(s_cert_file); 1777 1778 if (dh != NULL) { 1779 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1780 } else { 1781 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1782 } 1783 (void)BIO_flush(bio_s_out); 1784 1785 if (dh == NULL) 1786 SSL_CTX_set_dh_auto(ctx, 1); 1787 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) { 1788 BIO_puts(bio_err, "Error setting temp DH parameters\n"); 1789 ERR_print_errors(bio_err); 1790 DH_free(dh); 1791 goto end; 1792 } 1793 1794 if (ctx2) { 1795 if (!dhfile) { 1796 DH *dh2 = load_dh_param(s_cert_file2); 1797 if (dh2 != NULL) { 1798 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1799 (void)BIO_flush(bio_s_out); 1800 1801 DH_free(dh); 1802 dh = dh2; 1803 } 1804 } 1805 if (dh == NULL) 1806 SSL_CTX_set_dh_auto(ctx2, 1); 1807 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) { 1808 BIO_puts(bio_err, "Error setting temp DH parameters\n"); 1809 ERR_print_errors(bio_err); 1810 DH_free(dh); 1811 goto end; 1812 } 1813 } 1814 DH_free(dh); 1815 } 1816 #endif 1817 1818 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) 1819 goto end; 1820 1821 if (s_serverinfo_file != NULL 1822 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { 1823 ERR_print_errors(bio_err); 1824 goto end; 1825 } 1826 1827 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) 1828 goto end; 1829 1830 if (s_dcert != NULL) { 1831 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) 1832 goto end; 1833 } 1834 1835 if (no_resume_ephemeral) { 1836 SSL_CTX_set_not_resumable_session_callback(ctx, 1837 not_resumable_sess_cb); 1838 1839 if (ctx2) 1840 SSL_CTX_set_not_resumable_session_callback(ctx2, 1841 not_resumable_sess_cb); 1842 } 1843 #ifndef OPENSSL_NO_PSK 1844 if (psk_key != NULL) { 1845 if (s_debug) 1846 BIO_printf(bio_s_out, "PSK key given, setting server callback\n"); 1847 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 1848 } 1849 1850 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 1851 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 1852 ERR_print_errors(bio_err); 1853 goto end; 1854 } 1855 #endif 1856 1857 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 1858 if (!SSL_CTX_set_session_id_context(ctx, 1859 (void *)&s_server_session_id_context, 1860 sizeof(s_server_session_id_context))) { 1861 BIO_printf(bio_err, "error setting session id context\n"); 1862 ERR_print_errors(bio_err); 1863 goto end; 1864 } 1865 1866 /* Set DTLS cookie generation and verification callbacks */ 1867 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 1868 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 1869 1870 if (ctx2) { 1871 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 1872 if (!SSL_CTX_set_session_id_context(ctx2, 1873 (void *)&s_server_session_id_context, 1874 sizeof(s_server_session_id_context))) { 1875 BIO_printf(bio_err, "error setting session id context\n"); 1876 ERR_print_errors(bio_err); 1877 goto end; 1878 } 1879 tlsextcbp.biodebug = bio_s_out; 1880 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 1881 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 1882 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1883 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1884 } 1885 1886 #ifndef OPENSSL_NO_SRP 1887 if (srp_verifier_file != NULL) { 1888 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 1889 srp_callback_parm.user = NULL; 1890 srp_callback_parm.login = NULL; 1891 if ((ret = 1892 SRP_VBASE_init(srp_callback_parm.vb, 1893 srp_verifier_file)) != SRP_NO_ERROR) { 1894 BIO_printf(bio_err, 1895 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 1896 srp_verifier_file, ret); 1897 goto end; 1898 } 1899 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 1900 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 1901 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 1902 } else 1903 #endif 1904 if (CAfile != NULL) { 1905 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 1906 1907 if (ctx2) 1908 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 1909 } 1910 #ifndef OPENSSL_NO_OCSP 1911 if (s_tlsextstatus) { 1912 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 1913 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 1914 if (ctx2) { 1915 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb); 1916 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp); 1917 } 1918 } 1919 #endif 1920 1921 BIO_printf(bio_s_out, "ACCEPT\n"); 1922 (void)BIO_flush(bio_s_out); 1923 if (rev) 1924 server_cb = rev_body; 1925 else if (www) 1926 server_cb = www_body; 1927 else 1928 server_cb = sv_body; 1929 #ifdef AF_UNIX 1930 if (socket_family == AF_UNIX 1931 && unlink_unix_path) 1932 unlink(host); 1933 #endif 1934 do_server(&accept_socket, host, port, socket_family, socket_type, 1935 server_cb, context, naccept); 1936 print_stats(bio_s_out, ctx); 1937 ret = 0; 1938 end: 1939 SSL_CTX_free(ctx); 1940 X509_free(s_cert); 1941 sk_X509_CRL_pop_free(crls, X509_CRL_free); 1942 X509_free(s_dcert); 1943 EVP_PKEY_free(s_key); 1944 EVP_PKEY_free(s_dkey); 1945 sk_X509_pop_free(s_chain, X509_free); 1946 sk_X509_pop_free(s_dchain, X509_free); 1947 OPENSSL_free(pass); 1948 OPENSSL_free(dpass); 1949 OPENSSL_free(host); 1950 OPENSSL_free(port); 1951 X509_VERIFY_PARAM_free(vpm); 1952 free_sessions(); 1953 OPENSSL_free(tlscstatp.host); 1954 OPENSSL_free(tlscstatp.port); 1955 OPENSSL_free(tlscstatp.path); 1956 SSL_CTX_free(ctx2); 1957 X509_free(s_cert2); 1958 EVP_PKEY_free(s_key2); 1959 #ifndef OPENSSL_NO_NEXTPROTONEG 1960 OPENSSL_free(next_proto.data); 1961 #endif 1962 OPENSSL_free(alpn_ctx.data); 1963 ssl_excert_free(exc); 1964 sk_OPENSSL_STRING_free(ssl_args); 1965 SSL_CONF_CTX_free(cctx); 1966 release_engine(engine); 1967 BIO_free(bio_s_out); 1968 bio_s_out = NULL; 1969 BIO_free(bio_s_msg); 1970 bio_s_msg = NULL; 1971 #ifdef CHARSET_EBCDIC 1972 BIO_meth_free(methods_ebcdic); 1973 #endif 1974 return (ret); 1975 } 1976 1977 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 1978 { 1979 BIO_printf(bio, "%4ld items in the session cache\n", 1980 SSL_CTX_sess_number(ssl_ctx)); 1981 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 1982 SSL_CTX_sess_connect(ssl_ctx)); 1983 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 1984 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 1985 BIO_printf(bio, "%4ld client connects that finished\n", 1986 SSL_CTX_sess_connect_good(ssl_ctx)); 1987 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 1988 SSL_CTX_sess_accept(ssl_ctx)); 1989 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 1990 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 1991 BIO_printf(bio, "%4ld server accepts that finished\n", 1992 SSL_CTX_sess_accept_good(ssl_ctx)); 1993 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 1994 BIO_printf(bio, "%4ld session cache misses\n", 1995 SSL_CTX_sess_misses(ssl_ctx)); 1996 BIO_printf(bio, "%4ld session cache timeouts\n", 1997 SSL_CTX_sess_timeouts(ssl_ctx)); 1998 BIO_printf(bio, "%4ld callback cache hits\n", 1999 SSL_CTX_sess_cb_hits(ssl_ctx)); 2000 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 2001 SSL_CTX_sess_cache_full(ssl_ctx), 2002 SSL_CTX_sess_get_cache_size(ssl_ctx)); 2003 } 2004 2005 static int sv_body(int s, int stype, unsigned char *context) 2006 { 2007 char *buf = NULL; 2008 fd_set readfds; 2009 int ret = 1, width; 2010 int k, i, fdin; 2011 unsigned long l; 2012 SSL *con = NULL; 2013 BIO *sbio; 2014 struct timeval timeout; 2015 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 2016 struct timeval tv; 2017 #else 2018 struct timeval *timeoutp; 2019 #endif 2020 2021 buf = app_malloc(bufsize, "server buffer"); 2022 if (s_nbio) { 2023 if (!BIO_socket_nbio(s, 1)) 2024 ERR_print_errors(bio_err); 2025 else if (!s_quiet) 2026 BIO_printf(bio_err, "Turned on non blocking io\n"); 2027 } 2028 2029 if (con == NULL) { 2030 con = SSL_new(ctx); 2031 2032 if (s_tlsextdebug) { 2033 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2034 SSL_set_tlsext_debug_arg(con, bio_s_out); 2035 } 2036 2037 if (context 2038 && !SSL_set_session_id_context(con, 2039 context, strlen((char *)context))) { 2040 BIO_printf(bio_err, "Error setting session id context\n"); 2041 ret = -1; 2042 goto err; 2043 } 2044 } 2045 if (!SSL_clear(con)) { 2046 BIO_printf(bio_err, "Error clearing SSL connection\n"); 2047 ret = -1; 2048 goto err; 2049 } 2050 #ifndef OPENSSL_NO_DTLS 2051 if (stype == SOCK_DGRAM) { 2052 2053 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2054 2055 if (enable_timeouts) { 2056 timeout.tv_sec = 0; 2057 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2058 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2059 2060 timeout.tv_sec = 0; 2061 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2062 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2063 } 2064 2065 if (socket_mtu) { 2066 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2067 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2068 DTLS_get_link_min_mtu(con)); 2069 ret = -1; 2070 BIO_free(sbio); 2071 goto err; 2072 } 2073 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2074 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2075 BIO_printf(bio_err, "Failed to set MTU\n"); 2076 ret = -1; 2077 BIO_free(sbio); 2078 goto err; 2079 } 2080 } else 2081 /* want to do MTU discovery */ 2082 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2083 2084 /* turn on cookie exchange */ 2085 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2086 } else 2087 #endif 2088 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2089 2090 if (s_nbio_test) { 2091 BIO *test; 2092 2093 test = BIO_new(BIO_f_nbio_test()); 2094 sbio = BIO_push(test, sbio); 2095 } 2096 2097 SSL_set_bio(con, sbio, sbio); 2098 SSL_set_accept_state(con); 2099 /* SSL_set_fd(con,s); */ 2100 2101 if (s_debug) { 2102 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2103 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2104 } 2105 if (s_msg) { 2106 #ifndef OPENSSL_NO_SSL_TRACE 2107 if (s_msg == 2) 2108 SSL_set_msg_callback(con, SSL_trace); 2109 else 2110 #endif 2111 SSL_set_msg_callback(con, msg_cb); 2112 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2113 } 2114 2115 if (s_tlsextdebug) { 2116 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2117 SSL_set_tlsext_debug_arg(con, bio_s_out); 2118 } 2119 2120 if (fileno_stdin() > s) 2121 width = fileno_stdin() + 1; 2122 else 2123 width = s + 1; 2124 for (;;) { 2125 int read_from_terminal; 2126 int read_from_sslcon; 2127 2128 read_from_terminal = 0; 2129 read_from_sslcon = SSL_has_pending(con) 2130 || (async && SSL_waiting_for_async(con)); 2131 2132 if (!read_from_sslcon) { 2133 fdin = fileno_stdin(); 2134 if (fdin < 0) { 2135 BIO_printf(bio_err,"Bad fileno for stdin\n"); 2136 goto err; 2137 } 2138 FD_ZERO(&readfds); 2139 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) 2140 openssl_fdset(fileno_stdin(), &readfds); 2141 #endif 2142 openssl_fdset(s, &readfds); 2143 /* 2144 * Note: under VMS with SOCKETSHR the second parameter is 2145 * currently of type (int *) whereas under other systems it is 2146 * (void *) if you don't have a cast it will choke the compiler: 2147 * if you do have a cast then you can either go for (int *) or 2148 * (void *). 2149 */ 2150 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 2151 /* 2152 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2153 * only on sockets. As a workaround we timeout the select every 2154 * second and check for any keypress. In a proper Windows 2155 * application we wouldn't do this because it is inefficient. 2156 */ 2157 tv.tv_sec = 1; 2158 tv.tv_usec = 0; 2159 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2160 if (has_stdin_waiting()) 2161 read_from_terminal = 1; 2162 if ((i < 0) || (!i && !read_from_terminal)) 2163 continue; 2164 #else 2165 if ((SSL_version(con) == DTLS1_VERSION) && 2166 DTLSv1_get_timeout(con, &timeout)) 2167 timeoutp = &timeout; 2168 else 2169 timeoutp = NULL; 2170 2171 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2172 2173 if ((SSL_version(con) == DTLS1_VERSION) 2174 && DTLSv1_handle_timeout(con) > 0) { 2175 BIO_printf(bio_err, "TIMEOUT occurred\n"); 2176 } 2177 2178 if (i <= 0) 2179 continue; 2180 if (FD_ISSET(fdin, &readfds)) 2181 read_from_terminal = 1; 2182 #endif 2183 if (FD_ISSET(s, &readfds)) 2184 read_from_sslcon = 1; 2185 } 2186 if (read_from_terminal) { 2187 if (s_crlf) { 2188 int j, lf_num; 2189 2190 i = raw_read_stdin(buf, bufsize / 2); 2191 lf_num = 0; 2192 /* both loops are skipped when i <= 0 */ 2193 for (j = 0; j < i; j++) 2194 if (buf[j] == '\n') 2195 lf_num++; 2196 for (j = i - 1; j >= 0; j--) { 2197 buf[j + lf_num] = buf[j]; 2198 if (buf[j] == '\n') { 2199 lf_num--; 2200 i++; 2201 buf[j + lf_num] = '\r'; 2202 } 2203 } 2204 assert(lf_num == 0); 2205 } else 2206 i = raw_read_stdin(buf, bufsize); 2207 2208 if (!s_quiet && !s_brief) { 2209 if ((i <= 0) || (buf[0] == 'Q')) { 2210 BIO_printf(bio_s_out, "DONE\n"); 2211 (void)BIO_flush(bio_s_out); 2212 BIO_closesocket(s); 2213 close_accept_socket(); 2214 ret = -11; 2215 goto err; 2216 } 2217 if ((i <= 0) || (buf[0] == 'q')) { 2218 BIO_printf(bio_s_out, "DONE\n"); 2219 (void)BIO_flush(bio_s_out); 2220 if (SSL_version(con) != DTLS1_VERSION) 2221 BIO_closesocket(s); 2222 /* 2223 * close_accept_socket(); ret= -11; 2224 */ 2225 goto err; 2226 } 2227 #ifndef OPENSSL_NO_HEARTBEATS 2228 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2229 BIO_printf(bio_err, "HEARTBEATING\n"); 2230 SSL_heartbeat(con); 2231 i = 0; 2232 continue; 2233 } 2234 #endif 2235 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2236 SSL_renegotiate(con); 2237 i = SSL_do_handshake(con); 2238 printf("SSL_do_handshake -> %d\n", i); 2239 i = 0; /* 13; */ 2240 continue; 2241 /* 2242 * strcpy(buf,"server side RE-NEGOTIATE\n"); 2243 */ 2244 } 2245 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2246 SSL_set_verify(con, 2247 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2248 NULL); 2249 SSL_renegotiate(con); 2250 i = SSL_do_handshake(con); 2251 printf("SSL_do_handshake -> %d\n", i); 2252 i = 0; /* 13; */ 2253 continue; 2254 /* 2255 * strcpy(buf,"server side RE-NEGOTIATE asking for client 2256 * cert\n"); 2257 */ 2258 } 2259 if (buf[0] == 'P') { 2260 static const char *str = "Lets print some clear text\n"; 2261 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2262 } 2263 if (buf[0] == 'S') { 2264 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2265 } 2266 } 2267 #ifdef CHARSET_EBCDIC 2268 ebcdic2ascii(buf, buf, i); 2269 #endif 2270 l = k = 0; 2271 for (;;) { 2272 /* should do a select for the write */ 2273 #ifdef RENEG 2274 static count = 0; 2275 if (++count == 100) { 2276 count = 0; 2277 SSL_renegotiate(con); 2278 } 2279 #endif 2280 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2281 #ifndef OPENSSL_NO_SRP 2282 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2283 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2284 SRP_user_pwd_free(srp_callback_parm.user); 2285 srp_callback_parm.user = 2286 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2287 srp_callback_parm.login); 2288 if (srp_callback_parm.user) 2289 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2290 srp_callback_parm.user->info); 2291 else 2292 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2293 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2294 } 2295 #endif 2296 switch (SSL_get_error(con, k)) { 2297 case SSL_ERROR_NONE: 2298 break; 2299 case SSL_ERROR_WANT_ASYNC: 2300 BIO_printf(bio_s_out, "Write BLOCK (Async)\n"); 2301 (void)BIO_flush(bio_s_out); 2302 wait_for_async(con); 2303 break; 2304 case SSL_ERROR_WANT_WRITE: 2305 case SSL_ERROR_WANT_READ: 2306 case SSL_ERROR_WANT_X509_LOOKUP: 2307 BIO_printf(bio_s_out, "Write BLOCK\n"); 2308 (void)BIO_flush(bio_s_out); 2309 break; 2310 case SSL_ERROR_WANT_ASYNC_JOB: 2311 /* 2312 * This shouldn't ever happen in s_server. Treat as an error 2313 */ 2314 case SSL_ERROR_SYSCALL: 2315 case SSL_ERROR_SSL: 2316 BIO_printf(bio_s_out, "ERROR\n"); 2317 (void)BIO_flush(bio_s_out); 2318 ERR_print_errors(bio_err); 2319 ret = 1; 2320 goto err; 2321 /* break; */ 2322 case SSL_ERROR_ZERO_RETURN: 2323 BIO_printf(bio_s_out, "DONE\n"); 2324 (void)BIO_flush(bio_s_out); 2325 ret = 1; 2326 goto err; 2327 } 2328 if (k > 0) { 2329 l += k; 2330 i -= k; 2331 } 2332 if (i <= 0) 2333 break; 2334 } 2335 } 2336 if (read_from_sslcon) { 2337 /* 2338 * init_ssl_connection handles all async events itself so if we're 2339 * waiting for async then we shouldn't go back into 2340 * init_ssl_connection 2341 */ 2342 if ((!async || !SSL_waiting_for_async(con)) 2343 && !SSL_is_init_finished(con)) { 2344 i = init_ssl_connection(con); 2345 2346 if (i < 0) { 2347 ret = 0; 2348 goto err; 2349 } else if (i == 0) { 2350 ret = 1; 2351 goto err; 2352 } 2353 } else { 2354 again: 2355 i = SSL_read(con, (char *)buf, bufsize); 2356 #ifndef OPENSSL_NO_SRP 2357 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2358 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2359 SRP_user_pwd_free(srp_callback_parm.user); 2360 srp_callback_parm.user = 2361 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2362 srp_callback_parm.login); 2363 if (srp_callback_parm.user) 2364 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2365 srp_callback_parm.user->info); 2366 else 2367 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2368 i = SSL_read(con, (char *)buf, bufsize); 2369 } 2370 #endif 2371 switch (SSL_get_error(con, i)) { 2372 case SSL_ERROR_NONE: 2373 #ifdef CHARSET_EBCDIC 2374 ascii2ebcdic(buf, buf, i); 2375 #endif 2376 raw_write_stdout(buf, (unsigned int)i); 2377 (void)BIO_flush(bio_s_out); 2378 if (SSL_has_pending(con)) 2379 goto again; 2380 break; 2381 case SSL_ERROR_WANT_ASYNC: 2382 BIO_printf(bio_s_out, "Read BLOCK (Async)\n"); 2383 (void)BIO_flush(bio_s_out); 2384 wait_for_async(con); 2385 break; 2386 case SSL_ERROR_WANT_WRITE: 2387 case SSL_ERROR_WANT_READ: 2388 BIO_printf(bio_s_out, "Read BLOCK\n"); 2389 (void)BIO_flush(bio_s_out); 2390 break; 2391 case SSL_ERROR_WANT_ASYNC_JOB: 2392 /* 2393 * This shouldn't ever happen in s_server. Treat as an error 2394 */ 2395 case SSL_ERROR_SYSCALL: 2396 case SSL_ERROR_SSL: 2397 BIO_printf(bio_s_out, "ERROR\n"); 2398 (void)BIO_flush(bio_s_out); 2399 ERR_print_errors(bio_err); 2400 ret = 1; 2401 goto err; 2402 case SSL_ERROR_ZERO_RETURN: 2403 BIO_printf(bio_s_out, "DONE\n"); 2404 (void)BIO_flush(bio_s_out); 2405 ret = 1; 2406 goto err; 2407 } 2408 } 2409 } 2410 } 2411 err: 2412 if (con != NULL) { 2413 BIO_printf(bio_s_out, "shutting down SSL\n"); 2414 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2415 SSL_free(con); 2416 } 2417 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2418 OPENSSL_clear_free(buf, bufsize); 2419 if (ret >= 0) 2420 BIO_printf(bio_s_out, "ACCEPT\n"); 2421 (void)BIO_flush(bio_s_out); 2422 return (ret); 2423 } 2424 2425 static void close_accept_socket(void) 2426 { 2427 BIO_printf(bio_err, "shutdown accept socket\n"); 2428 if (accept_socket >= 0) { 2429 BIO_closesocket(accept_socket); 2430 } 2431 } 2432 2433 static int init_ssl_connection(SSL *con) 2434 { 2435 int i; 2436 const char *str; 2437 X509 *peer; 2438 long verify_err; 2439 char buf[BUFSIZ]; 2440 #if !defined(OPENSSL_NO_NEXTPROTONEG) 2441 const unsigned char *next_proto_neg; 2442 unsigned next_proto_neg_len; 2443 #endif 2444 unsigned char *exportedkeymat; 2445 int retry = 0; 2446 2447 #ifndef OPENSSL_NO_DTLS 2448 if (dtlslisten) { 2449 BIO_ADDR *client = NULL; 2450 2451 if ((client = BIO_ADDR_new()) == NULL) { 2452 BIO_printf(bio_err, "ERROR - memory\n"); 2453 return 0; 2454 } 2455 i = DTLSv1_listen(con, client); 2456 if (i > 0) { 2457 BIO *wbio; 2458 int fd = -1; 2459 2460 wbio = SSL_get_wbio(con); 2461 if (wbio) { 2462 BIO_get_fd(wbio, &fd); 2463 } 2464 2465 if (!wbio || BIO_connect(fd, client, 0) == 0) { 2466 BIO_printf(bio_err, "ERROR - unable to connect\n"); 2467 BIO_ADDR_free(client); 2468 return 0; 2469 } 2470 BIO_ADDR_free(client); 2471 dtlslisten = 0; 2472 i = SSL_accept(con); 2473 } else { 2474 BIO_ADDR_free(client); 2475 } 2476 } else 2477 #endif 2478 2479 do { 2480 i = SSL_accept(con); 2481 2482 if (i <= 0) 2483 retry = BIO_sock_should_retry(i); 2484 #ifdef CERT_CB_TEST_RETRY 2485 { 2486 while (i <= 0 2487 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP 2488 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) { 2489 BIO_printf(bio_err, 2490 "LOOKUP from certificate callback during accept\n"); 2491 i = SSL_accept(con); 2492 if (i <= 0) 2493 retry = BIO_sock_should_retry(i); 2494 } 2495 } 2496 #endif 2497 2498 #ifndef OPENSSL_NO_SRP 2499 while (i <= 0 2500 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2501 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2502 srp_callback_parm.login); 2503 SRP_user_pwd_free(srp_callback_parm.user); 2504 srp_callback_parm.user = 2505 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2506 srp_callback_parm.login); 2507 if (srp_callback_parm.user) 2508 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2509 srp_callback_parm.user->info); 2510 else 2511 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2512 i = SSL_accept(con); 2513 if (i <= 0) 2514 retry = BIO_sock_should_retry(i); 2515 } 2516 #endif 2517 } while (i < 0 && SSL_waiting_for_async(con)); 2518 2519 if (i <= 0) { 2520 if ((dtlslisten && i == 0) 2521 || (!dtlslisten && retry)) { 2522 BIO_printf(bio_s_out, "DELAY\n"); 2523 return (1); 2524 } 2525 2526 BIO_printf(bio_err, "ERROR\n"); 2527 2528 verify_err = SSL_get_verify_result(con); 2529 if (verify_err != X509_V_OK) { 2530 BIO_printf(bio_err, "verify error:%s\n", 2531 X509_verify_cert_error_string(verify_err)); 2532 } 2533 /* Always print any error messages */ 2534 ERR_print_errors(bio_err); 2535 return (0); 2536 } 2537 2538 if (s_brief) 2539 print_ssl_summary(con); 2540 2541 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2542 2543 peer = SSL_get_peer_certificate(con); 2544 if (peer != NULL) { 2545 BIO_printf(bio_s_out, "Client certificate\n"); 2546 PEM_write_bio_X509(bio_s_out, peer); 2547 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof(buf)); 2548 BIO_printf(bio_s_out, "subject=%s\n", buf); 2549 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof(buf)); 2550 BIO_printf(bio_s_out, "issuer=%s\n", buf); 2551 X509_free(peer); 2552 peer = NULL; 2553 } 2554 2555 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL) 2556 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2557 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2558 ssl_print_sigalgs(bio_s_out, con); 2559 #ifndef OPENSSL_NO_EC 2560 ssl_print_point_formats(bio_s_out, con); 2561 ssl_print_curves(bio_s_out, con, 0); 2562 #endif 2563 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2564 2565 #if !defined(OPENSSL_NO_NEXTPROTONEG) 2566 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2567 if (next_proto_neg) { 2568 BIO_printf(bio_s_out, "NEXTPROTO is "); 2569 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2570 BIO_printf(bio_s_out, "\n"); 2571 } 2572 #endif 2573 #ifndef OPENSSL_NO_SRTP 2574 { 2575 SRTP_PROTECTION_PROFILE *srtp_profile 2576 = SSL_get_selected_srtp_profile(con); 2577 2578 if (srtp_profile) 2579 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2580 srtp_profile->name); 2581 } 2582 #endif 2583 if (SSL_session_reused(con)) 2584 BIO_printf(bio_s_out, "Reused session-id\n"); 2585 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2586 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2587 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION)) 2588 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n"); 2589 2590 if (keymatexportlabel != NULL) { 2591 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2592 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2593 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2594 exportedkeymat = app_malloc(keymatexportlen, "export key"); 2595 if (!SSL_export_keying_material(con, exportedkeymat, 2596 keymatexportlen, 2597 keymatexportlabel, 2598 strlen(keymatexportlabel), 2599 NULL, 0, 0)) { 2600 BIO_printf(bio_s_out, " Error\n"); 2601 } else { 2602 BIO_printf(bio_s_out, " Keying material: "); 2603 for (i = 0; i < keymatexportlen; i++) 2604 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2605 BIO_printf(bio_s_out, "\n"); 2606 } 2607 OPENSSL_free(exportedkeymat); 2608 } 2609 2610 (void)BIO_flush(bio_s_out); 2611 return (1); 2612 } 2613 2614 #ifndef OPENSSL_NO_DH 2615 static DH *load_dh_param(const char *dhfile) 2616 { 2617 DH *ret = NULL; 2618 BIO *bio; 2619 2620 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2621 goto err; 2622 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2623 err: 2624 BIO_free(bio); 2625 return (ret); 2626 } 2627 #endif 2628 2629 static int www_body(int s, int stype, unsigned char *context) 2630 { 2631 char *buf = NULL; 2632 int ret = 1; 2633 int i, j, k, dot; 2634 SSL *con; 2635 const SSL_CIPHER *c; 2636 BIO *io, *ssl_bio, *sbio; 2637 #ifdef RENEG 2638 int total_bytes = 0; 2639 #endif 2640 int width; 2641 fd_set readfds; 2642 2643 /* Set width for a select call if needed */ 2644 width = s + 1; 2645 2646 buf = app_malloc(bufsize, "server www buffer"); 2647 io = BIO_new(BIO_f_buffer()); 2648 ssl_bio = BIO_new(BIO_f_ssl()); 2649 if ((io == NULL) || (ssl_bio == NULL)) 2650 goto err; 2651 2652 if (s_nbio) { 2653 if (!BIO_socket_nbio(s, 1)) 2654 ERR_print_errors(bio_err); 2655 else if (!s_quiet) 2656 BIO_printf(bio_err, "Turned on non blocking io\n"); 2657 } 2658 2659 /* lets make the output buffer a reasonable size */ 2660 if (!BIO_set_write_buffer_size(io, bufsize)) 2661 goto err; 2662 2663 if ((con = SSL_new(ctx)) == NULL) 2664 goto err; 2665 2666 if (s_tlsextdebug) { 2667 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2668 SSL_set_tlsext_debug_arg(con, bio_s_out); 2669 } 2670 2671 if (context 2672 && !SSL_set_session_id_context(con, context, 2673 strlen((char *)context))) 2674 goto err; 2675 2676 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2677 if (s_nbio_test) { 2678 BIO *test; 2679 2680 test = BIO_new(BIO_f_nbio_test()); 2681 sbio = BIO_push(test, sbio); 2682 } 2683 SSL_set_bio(con, sbio, sbio); 2684 SSL_set_accept_state(con); 2685 2686 /* SSL_set_fd(con,s); */ 2687 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 2688 BIO_push(io, ssl_bio); 2689 #ifdef CHARSET_EBCDIC 2690 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 2691 #endif 2692 2693 if (s_debug) { 2694 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2695 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2696 } 2697 if (s_msg) { 2698 #ifndef OPENSSL_NO_SSL_TRACE 2699 if (s_msg == 2) 2700 SSL_set_msg_callback(con, SSL_trace); 2701 else 2702 #endif 2703 SSL_set_msg_callback(con, msg_cb); 2704 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2705 } 2706 2707 for (;;) { 2708 i = BIO_gets(io, buf, bufsize - 1); 2709 if (i < 0) { /* error */ 2710 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) { 2711 if (!s_quiet) 2712 ERR_print_errors(bio_err); 2713 goto err; 2714 } else { 2715 BIO_printf(bio_s_out, "read R BLOCK\n"); 2716 #ifndef OPENSSL_NO_SRP 2717 if (BIO_should_io_special(io) 2718 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 2719 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2720 SRP_user_pwd_free(srp_callback_parm.user); 2721 srp_callback_parm.user = 2722 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2723 srp_callback_parm.login); 2724 if (srp_callback_parm.user) 2725 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2726 srp_callback_parm.user->info); 2727 else 2728 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2729 continue; 2730 } 2731 #endif 2732 #if !defined(OPENSSL_SYS_MSDOS) 2733 sleep(1); 2734 #endif 2735 continue; 2736 } 2737 } else if (i == 0) { /* end of input */ 2738 ret = 1; 2739 goto end; 2740 } 2741 2742 /* else we have data */ 2743 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 2744 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 2745 char *p; 2746 X509 *peer = NULL; 2747 STACK_OF(SSL_CIPHER) *sk; 2748 static const char *space = " "; 2749 2750 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) { 2751 if (strncmp("GET /renegcert", buf, 14) == 0) 2752 SSL_set_verify(con, 2753 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2754 NULL); 2755 i = SSL_renegotiate(con); 2756 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i); 2757 /* Send the HelloRequest */ 2758 i = SSL_do_handshake(con); 2759 if (i <= 0) { 2760 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", 2761 SSL_get_error(con, i)); 2762 ERR_print_errors(bio_err); 2763 goto err; 2764 } 2765 /* Wait for a ClientHello to come back */ 2766 FD_ZERO(&readfds); 2767 openssl_fdset(s, &readfds); 2768 i = select(width, (void *)&readfds, NULL, NULL, NULL); 2769 if (i <= 0 || !FD_ISSET(s, &readfds)) { 2770 BIO_printf(bio_s_out, 2771 "Error waiting for client response\n"); 2772 ERR_print_errors(bio_err); 2773 goto err; 2774 } 2775 /* 2776 * We're not actually expecting any data here and we ignore 2777 * any that is sent. This is just to force the handshake that 2778 * we're expecting to come from the client. If they haven't 2779 * sent one there's not much we can do. 2780 */ 2781 BIO_gets(io, buf, bufsize - 1); 2782 } 2783 2784 BIO_puts(io, 2785 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2786 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2787 BIO_puts(io, "<pre>\n"); 2788 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */ 2789 BIO_puts(io, "\n"); 2790 for (i = 0; i < local_argc; i++) { 2791 const char *myp; 2792 for (myp = local_argv[i]; *myp; myp++) 2793 switch (*myp) { 2794 case '<': 2795 BIO_puts(io, "<"); 2796 break; 2797 case '>': 2798 BIO_puts(io, ">"); 2799 break; 2800 case '&': 2801 BIO_puts(io, "&"); 2802 break; 2803 default: 2804 BIO_write(io, myp, 1); 2805 break; 2806 } 2807 BIO_write(io, " ", 1); 2808 } 2809 BIO_puts(io, "\n"); 2810 2811 BIO_printf(io, 2812 "Secure Renegotiation IS%s supported\n", 2813 SSL_get_secure_renegotiation_support(con) ? 2814 "" : " NOT"); 2815 2816 /* 2817 * The following is evil and should not really be done 2818 */ 2819 BIO_printf(io, "Ciphers supported in s_server binary\n"); 2820 sk = SSL_get_ciphers(con); 2821 j = sk_SSL_CIPHER_num(sk); 2822 for (i = 0; i < j; i++) { 2823 c = sk_SSL_CIPHER_value(sk, i); 2824 BIO_printf(io, "%-11s:%-25s ", 2825 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2826 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 2827 BIO_puts(io, "\n"); 2828 } 2829 BIO_puts(io, "\n"); 2830 p = SSL_get_shared_ciphers(con, buf, bufsize); 2831 if (p != NULL) { 2832 BIO_printf(io, 2833 "---\nCiphers common between both SSL end points:\n"); 2834 j = i = 0; 2835 while (*p) { 2836 if (*p == ':') { 2837 BIO_write(io, space, 26 - j); 2838 i++; 2839 j = 0; 2840 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 2841 } else { 2842 BIO_write(io, p, 1); 2843 j++; 2844 } 2845 p++; 2846 } 2847 BIO_puts(io, "\n"); 2848 } 2849 ssl_print_sigalgs(io, con); 2850 #ifndef OPENSSL_NO_EC 2851 ssl_print_curves(io, con, 0); 2852 #endif 2853 BIO_printf(io, (SSL_session_reused(con) 2854 ? "---\nReused, " : "---\nNew, ")); 2855 c = SSL_get_current_cipher(con); 2856 BIO_printf(io, "%s, Cipher is %s\n", 2857 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2858 SSL_SESSION_print(io, SSL_get_session(con)); 2859 BIO_printf(io, "---\n"); 2860 print_stats(io, SSL_get_SSL_CTX(con)); 2861 BIO_printf(io, "---\n"); 2862 peer = SSL_get_peer_certificate(con); 2863 if (peer != NULL) { 2864 BIO_printf(io, "Client certificate\n"); 2865 X509_print(io, peer); 2866 PEM_write_bio_X509(io, peer); 2867 X509_free(peer); 2868 peer = NULL; 2869 } else { 2870 BIO_puts(io, "no client certificate available\n"); 2871 } 2872 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n"); 2873 break; 2874 } else if ((www == 2 || www == 3) 2875 && (strncmp("GET /", buf, 5) == 0)) { 2876 BIO *file; 2877 char *p, *e; 2878 static const char *text = 2879 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 2880 2881 /* skip the '/' */ 2882 p = &(buf[5]); 2883 2884 dot = 1; 2885 for (e = p; *e != '\0'; e++) { 2886 if (e[0] == ' ') 2887 break; 2888 2889 switch (dot) { 2890 case 1: 2891 dot = (e[0] == '.') ? 2 : 0; 2892 break; 2893 case 2: 2894 dot = (e[0] == '.') ? 3 : 0; 2895 break; 2896 case 3: 2897 dot = (e[0] == '/') ? -1 : 0; 2898 break; 2899 } 2900 if (dot == 0) 2901 dot = (e[0] == '/') ? 1 : 0; 2902 } 2903 dot = (dot == 3) || (dot == -1); /* filename contains ".." 2904 * component */ 2905 2906 if (*e == '\0') { 2907 BIO_puts(io, text); 2908 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 2909 break; 2910 } 2911 *e = '\0'; 2912 2913 if (dot) { 2914 BIO_puts(io, text); 2915 BIO_printf(io, "'%s' contains '..' reference\r\n", p); 2916 break; 2917 } 2918 2919 if (*p == '/') { 2920 BIO_puts(io, text); 2921 BIO_printf(io, "'%s' is an invalid path\r\n", p); 2922 break; 2923 } 2924 2925 /* if a directory, do the index thang */ 2926 if (app_isdir(p) > 0) { 2927 BIO_puts(io, text); 2928 BIO_printf(io, "'%s' is a directory\r\n", p); 2929 break; 2930 } 2931 2932 if ((file = BIO_new_file(p, "r")) == NULL) { 2933 BIO_puts(io, text); 2934 BIO_printf(io, "Error opening '%s'\r\n", p); 2935 ERR_print_errors(io); 2936 break; 2937 } 2938 2939 if (!s_quiet) 2940 BIO_printf(bio_err, "FILE:%s\n", p); 2941 2942 if (www == 2) { 2943 i = strlen(p); 2944 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 2945 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 2946 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 2947 BIO_puts(io, 2948 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2949 else 2950 BIO_puts(io, 2951 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 2952 } 2953 /* send the file */ 2954 for (;;) { 2955 i = BIO_read(file, buf, bufsize); 2956 if (i <= 0) 2957 break; 2958 2959 #ifdef RENEG 2960 total_bytes += i; 2961 BIO_printf(bio_err, "%d\n", i); 2962 if (total_bytes > 3 * 1024) { 2963 total_bytes = 0; 2964 BIO_printf(bio_err, "RENEGOTIATE\n"); 2965 SSL_renegotiate(con); 2966 } 2967 #endif 2968 2969 for (j = 0; j < i;) { 2970 #ifdef RENEG 2971 static count = 0; 2972 if (++count == 13) { 2973 SSL_renegotiate(con); 2974 } 2975 #endif 2976 k = BIO_write(io, &(buf[j]), i - j); 2977 if (k <= 0) { 2978 if (!BIO_should_retry(io) 2979 && !SSL_waiting_for_async(con)) 2980 goto write_error; 2981 else { 2982 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 2983 } 2984 } else { 2985 j += k; 2986 } 2987 } 2988 } 2989 write_error: 2990 BIO_free(file); 2991 break; 2992 } 2993 } 2994 2995 for (;;) { 2996 i = (int)BIO_flush(io); 2997 if (i <= 0) { 2998 if (!BIO_should_retry(io)) 2999 break; 3000 } else 3001 break; 3002 } 3003 end: 3004 /* make sure we re-use sessions */ 3005 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3006 3007 err: 3008 if (ret >= 0) 3009 BIO_printf(bio_s_out, "ACCEPT\n"); 3010 OPENSSL_free(buf); 3011 BIO_free_all(io); 3012 return (ret); 3013 } 3014 3015 static int rev_body(int s, int stype, unsigned char *context) 3016 { 3017 char *buf = NULL; 3018 int i; 3019 int ret = 1; 3020 SSL *con; 3021 BIO *io, *ssl_bio, *sbio; 3022 3023 buf = app_malloc(bufsize, "server rev buffer"); 3024 io = BIO_new(BIO_f_buffer()); 3025 ssl_bio = BIO_new(BIO_f_ssl()); 3026 if ((io == NULL) || (ssl_bio == NULL)) 3027 goto err; 3028 3029 /* lets make the output buffer a reasonable size */ 3030 if (!BIO_set_write_buffer_size(io, bufsize)) 3031 goto err; 3032 3033 if ((con = SSL_new(ctx)) == NULL) 3034 goto err; 3035 3036 if (s_tlsextdebug) { 3037 SSL_set_tlsext_debug_callback(con, tlsext_cb); 3038 SSL_set_tlsext_debug_arg(con, bio_s_out); 3039 } 3040 if (context 3041 && !SSL_set_session_id_context(con, context, 3042 strlen((char *)context))) { 3043 ERR_print_errors(bio_err); 3044 goto err; 3045 } 3046 3047 sbio = BIO_new_socket(s, BIO_NOCLOSE); 3048 SSL_set_bio(con, sbio, sbio); 3049 SSL_set_accept_state(con); 3050 3051 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3052 BIO_push(io, ssl_bio); 3053 #ifdef CHARSET_EBCDIC 3054 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3055 #endif 3056 3057 if (s_debug) { 3058 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3059 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3060 } 3061 if (s_msg) { 3062 #ifndef OPENSSL_NO_SSL_TRACE 3063 if (s_msg == 2) 3064 SSL_set_msg_callback(con, SSL_trace); 3065 else 3066 #endif 3067 SSL_set_msg_callback(con, msg_cb); 3068 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3069 } 3070 3071 for (;;) { 3072 i = BIO_do_handshake(io); 3073 if (i > 0) 3074 break; 3075 if (!BIO_should_retry(io)) { 3076 BIO_puts(bio_err, "CONNECTION FAILURE\n"); 3077 ERR_print_errors(bio_err); 3078 goto end; 3079 } 3080 #ifndef OPENSSL_NO_SRP 3081 if (BIO_should_io_special(io) 3082 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3083 BIO_printf(bio_s_out, "LOOKUP renego during accept\n"); 3084 SRP_user_pwd_free(srp_callback_parm.user); 3085 srp_callback_parm.user = 3086 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3087 srp_callback_parm.login); 3088 if (srp_callback_parm.user) 3089 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3090 srp_callback_parm.user->info); 3091 else 3092 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3093 continue; 3094 } 3095 #endif 3096 } 3097 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n"); 3098 print_ssl_summary(con); 3099 3100 for (;;) { 3101 i = BIO_gets(io, buf, bufsize - 1); 3102 if (i < 0) { /* error */ 3103 if (!BIO_should_retry(io)) { 3104 if (!s_quiet) 3105 ERR_print_errors(bio_err); 3106 goto err; 3107 } else { 3108 BIO_printf(bio_s_out, "read R BLOCK\n"); 3109 #ifndef OPENSSL_NO_SRP 3110 if (BIO_should_io_special(io) 3111 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3112 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 3113 SRP_user_pwd_free(srp_callback_parm.user); 3114 srp_callback_parm.user = 3115 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3116 srp_callback_parm.login); 3117 if (srp_callback_parm.user) 3118 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3119 srp_callback_parm.user->info); 3120 else 3121 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3122 continue; 3123 } 3124 #endif 3125 #if !defined(OPENSSL_SYS_MSDOS) 3126 sleep(1); 3127 #endif 3128 continue; 3129 } 3130 } else if (i == 0) { /* end of input */ 3131 ret = 1; 3132 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3133 goto end; 3134 } else { 3135 char *p = buf + i - 1; 3136 while (i && (*p == '\n' || *p == '\r')) { 3137 p--; 3138 i--; 3139 } 3140 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) { 3141 ret = 1; 3142 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3143 goto end; 3144 } 3145 BUF_reverse((unsigned char *)buf, NULL, i); 3146 buf[i] = '\n'; 3147 BIO_write(io, buf, i + 1); 3148 for (;;) { 3149 i = BIO_flush(io); 3150 if (i > 0) 3151 break; 3152 if (!BIO_should_retry(io)) 3153 goto end; 3154 } 3155 } 3156 } 3157 end: 3158 /* make sure we re-use sessions */ 3159 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3160 3161 err: 3162 3163 OPENSSL_free(buf); 3164 BIO_free_all(io); 3165 return (ret); 3166 } 3167 3168 #define MAX_SESSION_ID_ATTEMPTS 10 3169 static int generate_session_id(const SSL *ssl, unsigned char *id, 3170 unsigned int *id_len) 3171 { 3172 unsigned int count = 0; 3173 do { 3174 if (RAND_bytes(id, *id_len) <= 0) 3175 return 0; 3176 /* 3177 * Prefix the session_id with the required prefix. NB: If our prefix 3178 * is too long, clip it - but there will be worse effects anyway, eg. 3179 * the server could only possibly create 1 session ID (ie. the 3180 * prefix!) so all future session negotiations will fail due to 3181 * conflicts. 3182 */ 3183 memcpy(id, session_id_prefix, 3184 (strlen(session_id_prefix) < *id_len) ? 3185 strlen(session_id_prefix) : *id_len); 3186 } 3187 while (SSL_has_matching_session_id(ssl, id, *id_len) && 3188 (++count < MAX_SESSION_ID_ATTEMPTS)); 3189 if (count >= MAX_SESSION_ID_ATTEMPTS) 3190 return 0; 3191 return 1; 3192 } 3193 3194 /* 3195 * By default s_server uses an in-memory cache which caches SSL_SESSION 3196 * structures without any serialisation. This hides some bugs which only 3197 * become apparent in deployed servers. By implementing a basic external 3198 * session cache some issues can be debugged using s_server. 3199 */ 3200 3201 typedef struct simple_ssl_session_st { 3202 unsigned char *id; 3203 unsigned int idlen; 3204 unsigned char *der; 3205 int derlen; 3206 struct simple_ssl_session_st *next; 3207 } simple_ssl_session; 3208 3209 static simple_ssl_session *first = NULL; 3210 3211 static int add_session(SSL *ssl, SSL_SESSION *session) 3212 { 3213 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session"); 3214 unsigned char *p; 3215 3216 SSL_SESSION_get_id(session, &sess->idlen); 3217 sess->derlen = i2d_SSL_SESSION(session, NULL); 3218 if (sess->derlen < 0) { 3219 BIO_printf(bio_err, "Error encoding session\n"); 3220 OPENSSL_free(sess); 3221 return 0; 3222 } 3223 3224 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); 3225 sess->der = app_malloc(sess->derlen, "get session buffer"); 3226 if (!sess->id) { 3227 BIO_printf(bio_err, "Out of memory adding to external cache\n"); 3228 OPENSSL_free(sess->id); 3229 OPENSSL_free(sess->der); 3230 OPENSSL_free(sess); 3231 return 0; 3232 } 3233 p = sess->der; 3234 3235 /* Assume it still works. */ 3236 if (i2d_SSL_SESSION(session, &p) != sess->derlen) { 3237 BIO_printf(bio_err, "Unexpected session encoding length\n"); 3238 OPENSSL_free(sess->id); 3239 OPENSSL_free(sess->der); 3240 OPENSSL_free(sess); 3241 return 0; 3242 } 3243 3244 sess->next = first; 3245 first = sess; 3246 BIO_printf(bio_err, "New session added to external cache\n"); 3247 return 0; 3248 } 3249 3250 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen, 3251 int *do_copy) 3252 { 3253 simple_ssl_session *sess; 3254 *do_copy = 0; 3255 for (sess = first; sess; sess = sess->next) { 3256 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) { 3257 const unsigned char *p = sess->der; 3258 BIO_printf(bio_err, "Lookup session: cache hit\n"); 3259 return d2i_SSL_SESSION(NULL, &p, sess->derlen); 3260 } 3261 } 3262 BIO_printf(bio_err, "Lookup session: cache miss\n"); 3263 return NULL; 3264 } 3265 3266 static void del_session(SSL_CTX *sctx, SSL_SESSION *session) 3267 { 3268 simple_ssl_session *sess, *prev = NULL; 3269 const unsigned char *id; 3270 unsigned int idlen; 3271 id = SSL_SESSION_get_id(session, &idlen); 3272 for (sess = first; sess; sess = sess->next) { 3273 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) { 3274 if (prev) 3275 prev->next = sess->next; 3276 else 3277 first = sess->next; 3278 OPENSSL_free(sess->id); 3279 OPENSSL_free(sess->der); 3280 OPENSSL_free(sess); 3281 return; 3282 } 3283 prev = sess; 3284 } 3285 } 3286 3287 static void init_session_cache_ctx(SSL_CTX *sctx) 3288 { 3289 SSL_CTX_set_session_cache_mode(sctx, 3290 SSL_SESS_CACHE_NO_INTERNAL | 3291 SSL_SESS_CACHE_SERVER); 3292 SSL_CTX_sess_set_new_cb(sctx, add_session); 3293 SSL_CTX_sess_set_get_cb(sctx, get_session); 3294 SSL_CTX_sess_set_remove_cb(sctx, del_session); 3295 } 3296 3297 static void free_sessions(void) 3298 { 3299 simple_ssl_session *sess, *tsess; 3300 for (sess = first; sess;) { 3301 OPENSSL_free(sess->id); 3302 OPENSSL_free(sess->der); 3303 tsess = sess; 3304 sess = sess->next; 3305 OPENSSL_free(tsess); 3306 } 3307 first = NULL; 3308 } 3309 3310 #endif /* OPENSSL_NO_SOCK */ 3311
Indexes created Mon Mar 02 05:31:46 UTC 2026