1 /* 2 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. 3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved 4 * Copyright 2005 Nokia. All rights reserved. 5 * 6 * Licensed under the OpenSSL license (the "License"). You may not use 7 * this file except in compliance with the License. You can obtain a copy 8 * in the file LICENSE in the source distribution or at 9 * https://www.openssl.org/source/license.html 10 */ 11 12 #include <ctype.h> 13 #include <stdio.h> 14 #include <stdlib.h> 15 #include <string.h> 16 #if defined(_WIN32) 17 /* Included before async.h to avoid some warnings */ 18 # include <windows.h> 19 #endif 20 21 #include <openssl/e_os2.h> 22 #include <openssl/async.h> 23 #include <openssl/ssl.h> 24 25 #ifndef OPENSSL_NO_SOCK 26 27 /* 28 * With IPv6, it looks like Digital has mixed up the proper order of 29 * recursive header file inclusion, resulting in the compiler complaining 30 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is 31 * needed to have fileno() declared correctly... So let's define u_int 32 */ 33 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 34 # define __U_INT 35 typedef unsigned int u_int; 36 #endif 37 38 #include <openssl/bn.h> 39 #include "apps.h" 40 #include "progs.h" 41 #include <openssl/err.h> 42 #include <openssl/pem.h> 43 #include <openssl/x509.h> 44 #include <openssl/ssl.h> 45 #include <openssl/rand.h> 46 #include <openssl/ocsp.h> 47 #ifndef OPENSSL_NO_DH 48 # include <openssl/dh.h> 49 #endif 50 #ifndef OPENSSL_NO_RSA 51 # include <openssl/rsa.h> 52 #endif 53 #ifndef OPENSSL_NO_SRP 54 # include <openssl/srp.h> 55 #endif 56 #include "s_apps.h" 57 #include "timeouts.h" 58 #ifdef CHARSET_EBCDIC 59 #include <openssl/ebcdic.h> 60 #endif 61 #include "internal/sockets.h" 62 63 static int not_resumable_sess_cb(SSL *s, int is_forward_secure); 64 static int sv_body(int s, int stype, int prot, unsigned char *context); 65 static int www_body(int s, int stype, int prot, unsigned char *context); 66 static int rev_body(int s, int stype, int prot, unsigned char *context); 67 static void close_accept_socket(void); 68 static int init_ssl_connection(SSL *s); 69 static void print_stats(BIO *bp, SSL_CTX *ctx); 70 static int generate_session_id(SSL *ssl, unsigned char *id, 71 unsigned int *id_len); 72 static void init_session_cache_ctx(SSL_CTX *sctx); 73 static void free_sessions(void); 74 #ifndef OPENSSL_NO_DH 75 static DH *load_dh_param(const char *dhfile); 76 #endif 77 static void print_connection_info(SSL *con); 78 79 static const int bufsize = 16 * 1024; 80 static int accept_socket = -1; 81 82 #define TEST_CERT "server.pem" 83 #define TEST_CERT2 "server2.pem" 84 85 static int s_nbio = 0; 86 static int s_nbio_test = 0; 87 static int s_crlf = 0; 88 static SSL_CTX *ctx = NULL; 89 static SSL_CTX *ctx2 = NULL; 90 static int www = 0; 91 92 static BIO *bio_s_out = NULL; 93 static BIO *bio_s_msg = NULL; 94 static int s_debug = 0; 95 static int s_tlsextdebug = 0; 96 static int s_msg = 0; 97 static int s_quiet = 0; 98 static int s_ign_eof = 0; 99 static int s_brief = 0; 100 101 static char *keymatexportlabel = NULL; 102 static int keymatexportlen = 20; 103 104 static int async = 0; 105 106 static const char *session_id_prefix = NULL; 107 108 #ifndef OPENSSL_NO_DTLS 109 static int enable_timeouts = 0; 110 static long socket_mtu; 111 #endif 112 113 /* 114 * We define this but make it always be 0 in no-dtls builds to simplify the 115 * code. 116 */ 117 static int dtlslisten = 0; 118 static int stateless = 0; 119 120 static int early_data = 0; 121 static SSL_SESSION *psksess = NULL; 122 123 static char *psk_identity = "Client_identity"; 124 char *psk_key = NULL; /* by default PSK is not used */ 125 126 #ifndef OPENSSL_NO_PSK 127 static unsigned int psk_server_cb(SSL *ssl, const char *identity, 128 unsigned char *psk, 129 unsigned int max_psk_len) 130 { 131 long key_len = 0; 132 unsigned char *key; 133 134 if (s_debug) 135 BIO_printf(bio_s_out, "psk_server_cb\n"); 136 if (identity == NULL) { 137 BIO_printf(bio_err, "Error: client did not send PSK identity\n"); 138 goto out_err; 139 } 140 if (s_debug) 141 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n", 142 (int)strlen(identity), identity); 143 144 /* here we could lookup the given identity e.g. from a database */ 145 if (strcmp(identity, psk_identity) != 0) { 146 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected" 147 " (got '%s' expected '%s')\n", identity, psk_identity); 148 } else { 149 if (s_debug) 150 BIO_printf(bio_s_out, "PSK client identity found\n"); 151 } 152 153 /* convert the PSK key to binary */ 154 key = OPENSSL_hexstr2buf(psk_key, &key_len); 155 if (key == NULL) { 156 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", 157 psk_key); 158 return 0; 159 } 160 if (key_len > (int)max_psk_len) { 161 BIO_printf(bio_err, 162 "psk buffer of callback is too small (%d) for key (%ld)\n", 163 max_psk_len, key_len); 164 OPENSSL_free(key); 165 return 0; 166 } 167 168 memcpy(psk, key, key_len); 169 OPENSSL_free(key); 170 171 if (s_debug) 172 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len); 173 return key_len; 174 out_err: 175 if (s_debug) 176 BIO_printf(bio_err, "Error in PSK server callback\n"); 177 (void)BIO_flush(bio_err); 178 (void)BIO_flush(bio_s_out); 179 return 0; 180 } 181 #endif 182 183 #define TLS13_AES_128_GCM_SHA256_BYTES ((const unsigned char *)"\x13\x01") 184 #define TLS13_AES_256_GCM_SHA384_BYTES ((const unsigned char *)"\x13\x02") 185 186 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity, 187 size_t identity_len, SSL_SESSION **sess) 188 { 189 SSL_SESSION *tmpsess = NULL; 190 unsigned char *key; 191 long key_len; 192 const SSL_CIPHER *cipher = NULL; 193 194 if (strlen(psk_identity) != identity_len 195 || memcmp(psk_identity, identity, identity_len) != 0) { 196 *sess = NULL; 197 return 1; 198 } 199 200 if (psksess != NULL) { 201 SSL_SESSION_up_ref(psksess); 202 *sess = psksess; 203 return 1; 204 } 205 206 key = OPENSSL_hexstr2buf(psk_key, &key_len); 207 if (key == NULL) { 208 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", 209 psk_key); 210 return 0; 211 } 212 213 /* We default to SHA256 */ 214 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id); 215 if (cipher == NULL) { 216 BIO_printf(bio_err, "Error finding suitable ciphersuite\n"); 217 OPENSSL_free(key); 218 return 0; 219 } 220 221 tmpsess = SSL_SESSION_new(); 222 if (tmpsess == NULL 223 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len) 224 || !SSL_SESSION_set_cipher(tmpsess, cipher) 225 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) { 226 OPENSSL_free(key); 227 return 0; 228 } 229 OPENSSL_free(key); 230 *sess = tmpsess; 231 232 return 1; 233 } 234 235 #ifndef OPENSSL_NO_SRP 236 /* This is a context that we pass to callbacks */ 237 typedef struct srpsrvparm_st { 238 char *login; 239 SRP_VBASE *vb; 240 SRP_user_pwd *user; 241 } srpsrvparm; 242 static srpsrvparm srp_callback_parm; 243 244 /* 245 * This callback pretends to require some asynchronous logic in order to 246 * obtain a verifier. When the callback is called for a new connection we 247 * return with a negative value. This will provoke the accept etc to return 248 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call 249 * (which would normally occur after a worker has finished) and we set the 250 * user parameters. 251 */ 252 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 253 { 254 srpsrvparm *p = (srpsrvparm *) arg; 255 int ret = SSL3_AL_FATAL; 256 257 if (p->login == NULL && p->user == NULL) { 258 p->login = SSL_get_srp_username(s); 259 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 260 return -1; 261 } 262 263 if (p->user == NULL) { 264 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 265 goto err; 266 } 267 268 if (SSL_set_srp_server_param 269 (s, p->user->N, p->user->g, p->user->s, p->user->v, 270 p->user->info) < 0) { 271 *ad = SSL_AD_INTERNAL_ERROR; 272 goto err; 273 } 274 BIO_printf(bio_err, 275 "SRP parameters set: username = \"%s\" info=\"%s\" \n", 276 p->login, p->user->info); 277 ret = SSL_ERROR_NONE; 278 279 err: 280 SRP_user_pwd_free(p->user); 281 p->user = NULL; 282 p->login = NULL; 283 return ret; 284 } 285 286 #endif 287 288 static int local_argc = 0; 289 static char **local_argv; 290 291 #ifdef CHARSET_EBCDIC 292 static int ebcdic_new(BIO *bi); 293 static int ebcdic_free(BIO *a); 294 static int ebcdic_read(BIO *b, char *out, int outl); 295 static int ebcdic_write(BIO *b, const char *in, int inl); 296 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 297 static int ebcdic_gets(BIO *bp, char *buf, int size); 298 static int ebcdic_puts(BIO *bp, const char *str); 299 300 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 301 static BIO_METHOD *methods_ebcdic = NULL; 302 303 /* This struct is "unwarranted chumminess with the compiler." */ 304 typedef struct { 305 size_t alloced; 306 char buff[1]; 307 } EBCDIC_OUTBUFF; 308 309 static const BIO_METHOD *BIO_f_ebcdic_filter() 310 { 311 if (methods_ebcdic == NULL) { 312 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER, 313 "EBCDIC/ASCII filter"); 314 if (methods_ebcdic == NULL 315 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write) 316 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read) 317 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts) 318 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets) 319 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl) 320 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new) 321 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free)) 322 return NULL; 323 } 324 return methods_ebcdic; 325 } 326 327 static int ebcdic_new(BIO *bi) 328 { 329 EBCDIC_OUTBUFF *wbuf; 330 331 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf"); 332 wbuf->alloced = 1024; 333 wbuf->buff[0] = '\0'; 334 335 BIO_set_data(bi, wbuf); 336 BIO_set_init(bi, 1); 337 return 1; 338 } 339 340 static int ebcdic_free(BIO *a) 341 { 342 EBCDIC_OUTBUFF *wbuf; 343 344 if (a == NULL) 345 return 0; 346 wbuf = BIO_get_data(a); 347 OPENSSL_free(wbuf); 348 BIO_set_data(a, NULL); 349 BIO_set_init(a, 0); 350 351 return 1; 352 } 353 354 static int ebcdic_read(BIO *b, char *out, int outl) 355 { 356 int ret = 0; 357 BIO *next = BIO_next(b); 358 359 if (out == NULL || outl == 0) 360 return 0; 361 if (next == NULL) 362 return 0; 363 364 ret = BIO_read(next, out, outl); 365 if (ret > 0) 366 ascii2ebcdic(out, out, ret); 367 return ret; 368 } 369 370 static int ebcdic_write(BIO *b, const char *in, int inl) 371 { 372 EBCDIC_OUTBUFF *wbuf; 373 BIO *next = BIO_next(b); 374 int ret = 0; 375 int num; 376 377 if ((in == NULL) || (inl <= 0)) 378 return 0; 379 if (next == NULL) 380 return 0; 381 382 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b); 383 384 if (inl > (num = wbuf->alloced)) { 385 num = num + num; /* double the size */ 386 if (num < inl) 387 num = inl; 388 OPENSSL_free(wbuf); 389 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf"); 390 391 wbuf->alloced = num; 392 wbuf->buff[0] = '\0'; 393 394 BIO_set_data(b, wbuf); 395 } 396 397 ebcdic2ascii(wbuf->buff, in, inl); 398 399 ret = BIO_write(next, wbuf->buff, inl); 400 401 return ret; 402 } 403 404 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 405 { 406 long ret; 407 BIO *next = BIO_next(b); 408 409 if (next == NULL) 410 return 0; 411 switch (cmd) { 412 case BIO_CTRL_DUP: 413 ret = 0L; 414 break; 415 default: 416 ret = BIO_ctrl(next, cmd, num, ptr); 417 break; 418 } 419 return ret; 420 } 421 422 static int ebcdic_gets(BIO *bp, char *buf, int size) 423 { 424 int i, ret = 0; 425 BIO *next = BIO_next(bp); 426 427 if (next == NULL) 428 return 0; 429 /* return(BIO_gets(bp->next_bio,buf,size));*/ 430 for (i = 0; i < size - 1; ++i) { 431 ret = ebcdic_read(bp, &buf[i], 1); 432 if (ret <= 0) 433 break; 434 else if (buf[i] == '\n') { 435 ++i; 436 break; 437 } 438 } 439 if (i < size) 440 buf[i] = '\0'; 441 return (ret < 0 && i == 0) ? ret : i; 442 } 443 444 static int ebcdic_puts(BIO *bp, const char *str) 445 { 446 if (BIO_next(bp) == NULL) 447 return 0; 448 return ebcdic_write(bp, str, strlen(str)); 449 } 450 #endif 451 452 /* This is a context that we pass to callbacks */ 453 typedef struct tlsextctx_st { 454 char *servername; 455 BIO *biodebug; 456 int extension_error; 457 } tlsextctx; 458 459 static int ssl_servername_cb(SSL *s, int *ad, void *arg) 460 { 461 tlsextctx *p = (tlsextctx *) arg; 462 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 463 464 if (servername != NULL && p->biodebug != NULL) { 465 const char *cp = servername; 466 unsigned char uc; 467 468 BIO_printf(p->biodebug, "Hostname in TLS extension: \""); 469 while ((uc = *cp++) != 0) 470 BIO_printf(p->biodebug, 471 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc); 472 BIO_printf(p->biodebug, "\"\n"); 473 } 474 475 if (p->servername == NULL) 476 return SSL_TLSEXT_ERR_NOACK; 477 478 if (servername != NULL) { 479 if (strcasecmp(servername, p->servername)) 480 return p->extension_error; 481 if (ctx2 != NULL) { 482 BIO_printf(p->biodebug, "Switching server context.\n"); 483 SSL_set_SSL_CTX(s, ctx2); 484 } 485 } 486 return SSL_TLSEXT_ERR_OK; 487 } 488 489 /* Structure passed to cert status callback */ 490 typedef struct tlsextstatusctx_st { 491 int timeout; 492 /* File to load OCSP Response from (or NULL if no file) */ 493 char *respin; 494 /* Default responder to use */ 495 char *host, *path, *port; 496 int use_ssl; 497 int verbose; 498 } tlsextstatusctx; 499 500 static tlsextstatusctx tlscstatp = { -1 }; 501 502 #ifndef OPENSSL_NO_OCSP 503 504 /* 505 * Helper function to get an OCSP_RESPONSE from a responder. This is a 506 * simplified version. It examines certificates each time and makes one OCSP 507 * responder query for each request. A full version would store details such as 508 * the OCSP certificate IDs and minimise the number of OCSP responses by caching 509 * them until they were considered "expired". 510 */ 511 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx, 512 OCSP_RESPONSE **resp) 513 { 514 char *host = NULL, *port = NULL, *path = NULL; 515 int use_ssl; 516 STACK_OF(OPENSSL_STRING) *aia = NULL; 517 X509 *x = NULL; 518 X509_STORE_CTX *inctx = NULL; 519 X509_OBJECT *obj; 520 OCSP_REQUEST *req = NULL; 521 OCSP_CERTID *id = NULL; 522 STACK_OF(X509_EXTENSION) *exts; 523 int ret = SSL_TLSEXT_ERR_NOACK; 524 int i; 525 526 /* Build up OCSP query from server certificate */ 527 x = SSL_get_certificate(s); 528 aia = X509_get1_ocsp(x); 529 if (aia != NULL) { 530 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 531 &host, &port, &path, &use_ssl)) { 532 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n"); 533 goto err; 534 } 535 if (srctx->verbose) 536 BIO_printf(bio_err, "cert_status: AIA URL: %s\n", 537 sk_OPENSSL_STRING_value(aia, 0)); 538 } else { 539 if (srctx->host == NULL) { 540 BIO_puts(bio_err, 541 "cert_status: no AIA and no default responder URL\n"); 542 goto done; 543 } 544 host = srctx->host; 545 path = srctx->path; 546 port = srctx->port; 547 use_ssl = srctx->use_ssl; 548 } 549 550 inctx = X509_STORE_CTX_new(); 551 if (inctx == NULL) 552 goto err; 553 if (!X509_STORE_CTX_init(inctx, 554 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 555 NULL, NULL)) 556 goto err; 557 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509, 558 X509_get_issuer_name(x)); 559 if (obj == NULL) { 560 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n"); 561 goto done; 562 } 563 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj)); 564 X509_OBJECT_free(obj); 565 if (id == NULL) 566 goto err; 567 req = OCSP_REQUEST_new(); 568 if (req == NULL) 569 goto err; 570 if (!OCSP_request_add0_id(req, id)) 571 goto err; 572 id = NULL; 573 /* Add any extensions to the request */ 574 SSL_get_tlsext_status_exts(s, &exts); 575 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 576 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 577 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 578 goto err; 579 } 580 *resp = process_responder(req, host, path, port, use_ssl, NULL, 581 srctx->timeout); 582 if (*resp == NULL) { 583 BIO_puts(bio_err, "cert_status: error querying responder\n"); 584 goto done; 585 } 586 587 ret = SSL_TLSEXT_ERR_OK; 588 goto done; 589 590 err: 591 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 592 done: 593 /* 594 * If we parsed aia we need to free; otherwise they were copied and we 595 * don't 596 */ 597 if (aia != NULL) { 598 OPENSSL_free(host); 599 OPENSSL_free(path); 600 OPENSSL_free(port); 601 X509_email_free(aia); 602 } 603 OCSP_CERTID_free(id); 604 OCSP_REQUEST_free(req); 605 X509_STORE_CTX_free(inctx); 606 return ret; 607 } 608 609 /* 610 * Certificate Status callback. This is called when a client includes a 611 * certificate status request extension. The response is either obtained from a 612 * file, or from an OCSP responder. 613 */ 614 static int cert_status_cb(SSL *s, void *arg) 615 { 616 tlsextstatusctx *srctx = arg; 617 OCSP_RESPONSE *resp = NULL; 618 unsigned char *rspder = NULL; 619 int rspderlen; 620 int ret = SSL_TLSEXT_ERR_ALERT_FATAL; 621 622 if (srctx->verbose) 623 BIO_puts(bio_err, "cert_status: callback called\n"); 624 625 if (srctx->respin != NULL) { 626 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1); 627 if (derbio == NULL) { 628 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n"); 629 goto err; 630 } 631 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); 632 BIO_free(derbio); 633 if (resp == NULL) { 634 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n"); 635 goto err; 636 } 637 } else { 638 ret = get_ocsp_resp_from_responder(s, srctx, &resp); 639 if (ret != SSL_TLSEXT_ERR_OK) 640 goto err; 641 } 642 643 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 644 if (rspderlen <= 0) 645 goto err; 646 647 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 648 if (srctx->verbose) { 649 BIO_puts(bio_err, "cert_status: ocsp response sent:\n"); 650 OCSP_RESPONSE_print(bio_err, resp, 2); 651 } 652 653 ret = SSL_TLSEXT_ERR_OK; 654 655 err: 656 if (ret != SSL_TLSEXT_ERR_OK) 657 ERR_print_errors(bio_err); 658 659 OCSP_RESPONSE_free(resp); 660 661 return ret; 662 } 663 #endif 664 665 #ifndef OPENSSL_NO_NEXTPROTONEG 666 /* This is the context that we pass to next_proto_cb */ 667 typedef struct tlsextnextprotoctx_st { 668 unsigned char *data; 669 size_t len; 670 } tlsextnextprotoctx; 671 672 static int next_proto_cb(SSL *s, const unsigned char **data, 673 unsigned int *len, void *arg) 674 { 675 tlsextnextprotoctx *next_proto = arg; 676 677 *data = next_proto->data; 678 *len = next_proto->len; 679 680 return SSL_TLSEXT_ERR_OK; 681 } 682 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 683 684 /* This the context that we pass to alpn_cb */ 685 typedef struct tlsextalpnctx_st { 686 unsigned char *data; 687 size_t len; 688 } tlsextalpnctx; 689 690 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, 691 const unsigned char *in, unsigned int inlen, void *arg) 692 { 693 tlsextalpnctx *alpn_ctx = arg; 694 695 if (!s_quiet) { 696 /* We can assume that |in| is syntactically valid. */ 697 unsigned int i; 698 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: "); 699 for (i = 0; i < inlen;) { 700 if (i) 701 BIO_write(bio_s_out, ", ", 2); 702 BIO_write(bio_s_out, &in[i + 1], in[i]); 703 i += in[i] + 1; 704 } 705 BIO_write(bio_s_out, "\n", 1); 706 } 707 708 if (SSL_select_next_proto 709 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in, 710 inlen) != OPENSSL_NPN_NEGOTIATED) { 711 return SSL_TLSEXT_ERR_NOACK; 712 } 713 714 if (!s_quiet) { 715 BIO_printf(bio_s_out, "ALPN protocols selected: "); 716 BIO_write(bio_s_out, *out, *outlen); 717 BIO_write(bio_s_out, "\n", 1); 718 } 719 720 return SSL_TLSEXT_ERR_OK; 721 } 722 723 static int not_resumable_sess_cb(SSL *s, int is_forward_secure) 724 { 725 /* disable resumption for sessions with forward secure ciphers */ 726 return is_forward_secure; 727 } 728 729 typedef enum OPTION_choice { 730 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE, 731 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT, 732 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL, 733 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM, 734 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT, 735 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT, 736 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE, 737 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET, 738 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, 739 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF, 740 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE, 741 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE, 742 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, 743 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE, 744 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK, 745 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW, 746 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG, 747 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF, 748 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1, 749 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS, 750 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL, 751 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, 752 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, 753 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA, 754 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG, 755 OPT_R_ENUM, 756 OPT_S_ENUM, 757 OPT_V_ENUM, 758 OPT_X_ENUM 759 } OPTION_CHOICE; 760 761 const OPTIONS s_server_options[] = { 762 {"help", OPT_HELP, '-', "Display this summary"}, 763 {"port", OPT_PORT, 'p', 764 "TCP/IP port to listen on for connections (default is " PORT ")"}, 765 {"accept", OPT_ACCEPT, 's', 766 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"}, 767 #ifdef AF_UNIX 768 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"}, 769 #endif 770 {"4", OPT_4, '-', "Use IPv4 only"}, 771 {"6", OPT_6, '-', "Use IPv6 only"}, 772 #ifdef AF_UNIX 773 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"}, 774 #endif 775 {"context", OPT_CONTEXT, 's', "Set session ID context"}, 776 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"}, 777 {"Verify", OPT_UPPER_V_VERIFY, 'n', 778 "Turn on peer certificate verification, must have a cert"}, 779 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT}, 780 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"}, 781 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"}, 782 {"serverinfo", OPT_SERVERINFO, 's', 783 "PEM serverinfo file for certificate"}, 784 {"certform", OPT_CERTFORM, 'F', 785 "Certificate format (PEM or DER) PEM default"}, 786 {"key", OPT_KEY, 's', 787 "Private Key if not in -cert; default is " TEST_CERT}, 788 {"keyform", OPT_KEYFORM, 'f', 789 "Key format (PEM, DER or ENGINE) PEM default"}, 790 {"pass", OPT_PASS, 's', "Private key file pass phrase source"}, 791 {"dcert", OPT_DCERT, '<', 792 "Second certificate file to use (usually for DSA)"}, 793 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"}, 794 {"dcertform", OPT_DCERTFORM, 'F', 795 "Second certificate format (PEM or DER) PEM default"}, 796 {"dkey", OPT_DKEY, '<', 797 "Second private key file to use (usually for DSA)"}, 798 {"dkeyform", OPT_DKEYFORM, 'F', 799 "Second key format (PEM, DER or ENGINE) PEM default"}, 800 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"}, 801 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"}, 802 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"}, 803 {"debug", OPT_DEBUG, '-', "Print more output"}, 804 {"msg", OPT_MSG, '-', "Show protocol messages"}, 805 {"msgfile", OPT_MSGFILE, '>', 806 "File to send output of -msg or -trace, instead of stdout"}, 807 {"state", OPT_STATE, '-', "Print the SSL states"}, 808 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"}, 809 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"}, 810 {"no-CAfile", OPT_NOCAFILE, '-', 811 "Do not load the default certificates file"}, 812 {"no-CApath", OPT_NOCAPATH, '-', 813 "Do not load certificates from the default certificates directory"}, 814 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"}, 815 {"quiet", OPT_QUIET, '-', "No server output"}, 816 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-', 817 "Disable caching and tickets if ephemeral (EC)DH is used"}, 818 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"}, 819 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"}, 820 {"servername", OPT_SERVERNAME, 's', 821 "Servername for HostName TLS extension"}, 822 {"servername_fatal", OPT_SERVERNAME_FATAL, '-', 823 "mismatch send fatal alert (default warning alert)"}, 824 {"cert2", OPT_CERT2, '<', 825 "Certificate file to use for servername; default is" TEST_CERT2}, 826 {"key2", OPT_KEY2, '<', 827 "-Private Key file to use for servername if not in -cert2"}, 828 {"tlsextdebug", OPT_TLSEXTDEBUG, '-', 829 "Hex dump of all TLS extensions received"}, 830 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"}, 831 {"id_prefix", OPT_ID_PREFIX, 's', 832 "Generate SSL/TLS session IDs prefixed by arg"}, 833 OPT_R_OPTIONS, 834 {"keymatexport", OPT_KEYMATEXPORT, 's', 835 "Export keying material using label"}, 836 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p', 837 "Export len bytes of keying material (default 20)"}, 838 {"CRL", OPT_CRL, '<', "CRL file to use"}, 839 {"crl_download", OPT_CRL_DOWNLOAD, '-', 840 "Download CRL from distribution points"}, 841 {"cert_chain", OPT_CERT_CHAIN, '<', 842 "certificate chain file in PEM format"}, 843 {"dcert_chain", OPT_DCERT_CHAIN, '<', 844 "second certificate chain file in PEM format"}, 845 {"chainCApath", OPT_CHAINCAPATH, '/', 846 "use dir as certificate store path to build CA certificate chain"}, 847 {"verifyCApath", OPT_VERIFYCAPATH, '/', 848 "use dir as certificate store path to verify CA certificate"}, 849 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"}, 850 {"ext_cache", OPT_EXT_CACHE, '-', 851 "Disable internal cache, setup and use external cache"}, 852 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"}, 853 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-', 854 "Close connection on verification error"}, 855 {"verify_quiet", OPT_VERIFY_QUIET, '-', 856 "No verify output except verify errors"}, 857 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"}, 858 {"chainCAfile", OPT_CHAINCAFILE, '<', 859 "CA file for certificate chain (PEM format)"}, 860 {"verifyCAfile", OPT_VERIFYCAFILE, '<', 861 "CA file for certificate verification (PEM format)"}, 862 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"}, 863 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"}, 864 #ifndef OPENSSL_NO_OCSP 865 {"status", OPT_STATUS, '-', "Request certificate status from server"}, 866 {"status_verbose", OPT_STATUS_VERBOSE, '-', 867 "Print more output in certificate status callback"}, 868 {"status_timeout", OPT_STATUS_TIMEOUT, 'n', 869 "Status request responder timeout"}, 870 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"}, 871 {"status_file", OPT_STATUS_FILE, '<', 872 "File containing DER encoded OCSP Response"}, 873 #endif 874 #ifndef OPENSSL_NO_SSL_TRACE 875 {"trace", OPT_TRACE, '-', "trace protocol messages"}, 876 #endif 877 {"security_debug", OPT_SECURITY_DEBUG, '-', 878 "Print output from SSL/TLS security framework"}, 879 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-', 880 "Print more output from SSL/TLS security framework"}, 881 {"brief", OPT_BRIEF, '-', 882 "Restrict output to brief summary of connection parameters"}, 883 {"rev", OPT_REV, '-', 884 "act as a simple test server which just sends back with the received text reversed"}, 885 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"}, 886 {"ssl_config", OPT_SSL_CONFIG, 's', 887 "Configure SSL_CTX using the configuration 'val'"}, 888 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "}, 889 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p', 890 "Size used to split data for encrypt pipelines"}, 891 {"max_pipelines", OPT_MAX_PIPELINES, 'p', 892 "Maximum number of encrypt/decrypt pipelines to be used"}, 893 {"read_buf", OPT_READ_BUF, 'p', 894 "Default read buffer size to be used for connections"}, 895 OPT_S_OPTIONS, 896 OPT_V_OPTIONS, 897 OPT_X_OPTIONS, 898 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"}, 899 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"}, 900 #ifndef OPENSSL_NO_PSK 901 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"}, 902 #endif 903 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"}, 904 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"}, 905 #ifndef OPENSSL_NO_SRP 906 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"}, 907 {"srpuserseed", OPT_SRPUSERSEED, 's', 908 "A seed string for a default user salt"}, 909 #endif 910 #ifndef OPENSSL_NO_SSL3 911 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"}, 912 #endif 913 #ifndef OPENSSL_NO_TLS1 914 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"}, 915 #endif 916 #ifndef OPENSSL_NO_TLS1_1 917 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"}, 918 #endif 919 #ifndef OPENSSL_NO_TLS1_2 920 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"}, 921 #endif 922 #ifndef OPENSSL_NO_TLS1_3 923 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"}, 924 #endif 925 #ifndef OPENSSL_NO_DTLS 926 {"dtls", OPT_DTLS, '-', "Use any DTLS version"}, 927 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"}, 928 {"mtu", OPT_MTU, 'p', "Set link layer MTU"}, 929 {"listen", OPT_LISTEN, '-', 930 "Listen for a DTLS ClientHello with a cookie and then connect"}, 931 #endif 932 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"}, 933 #ifndef OPENSSL_NO_DTLS1 934 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"}, 935 #endif 936 #ifndef OPENSSL_NO_DTLS1_2 937 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"}, 938 #endif 939 #ifndef OPENSSL_NO_SCTP 940 {"sctp", OPT_SCTP, '-', "Use SCTP"}, 941 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"}, 942 #endif 943 #ifndef OPENSSL_NO_DH 944 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"}, 945 #endif 946 #ifndef OPENSSL_NO_NEXTPROTONEG 947 {"nextprotoneg", OPT_NEXTPROTONEG, 's', 948 "Set the advertised protocols for the NPN extension (comma-separated list)"}, 949 #endif 950 #ifndef OPENSSL_NO_SRTP 951 {"use_srtp", OPT_SRTP_PROFILES, 's', 952 "Offer SRTP key management with a colon-separated profile list"}, 953 #endif 954 {"alpn", OPT_ALPN, 's', 955 "Set the advertised protocols for the ALPN extension (comma-separated list)"}, 956 #ifndef OPENSSL_NO_ENGINE 957 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, 958 #endif 959 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"}, 960 {"max_early_data", OPT_MAX_EARLY, 'n', 961 "The maximum number of bytes of early data as advertised in tickets"}, 962 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n', 963 "The maximum number of bytes of early data (hard limit)"}, 964 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"}, 965 {"num_tickets", OPT_S_NUM_TICKETS, 'n', 966 "The number of TLSv1.3 session tickets that a server will automatically issue" }, 967 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"}, 968 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"}, 969 {NULL, OPT_EOF, 0, NULL} 970 }; 971 972 #define IS_PROT_FLAG(o) \ 973 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \ 974 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2) 975 976 int s_server_main(int argc, char *argv[]) 977 { 978 ENGINE *engine = NULL; 979 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 980 SSL_CONF_CTX *cctx = NULL; 981 const SSL_METHOD *meth = TLS_server_method(); 982 SSL_EXCERT *exc = NULL; 983 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 984 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; 985 STACK_OF(X509_CRL) *crls = NULL; 986 X509 *s_cert = NULL, *s_dcert = NULL; 987 X509_VERIFY_PARAM *vpm = NULL; 988 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL; 989 char *dpassarg = NULL, *dpass = NULL; 990 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL; 991 char *crl_file = NULL, *prog; 992 #ifdef AF_UNIX 993 int unlink_unix_path = 0; 994 #endif 995 do_server_cb server_cb; 996 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0; 997 #ifndef OPENSSL_NO_DH 998 char *dhfile = NULL; 999 int no_dhe = 0; 1000 #endif 1001 int nocert = 0, ret = 1; 1002 int noCApath = 0, noCAfile = 0; 1003 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 1004 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 1005 int rev = 0, naccept = -1, sdebug = 0; 1006 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0; 1007 int state = 0, crl_format = FORMAT_PEM, crl_download = 0; 1008 char *host = NULL; 1009 char *port = BUF_strdup(PORT); 1010 unsigned char *context = NULL; 1011 OPTION_CHOICE o; 1012 EVP_PKEY *s_key2 = NULL; 1013 X509 *s_cert2 = NULL; 1014 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 1015 const char *ssl_config = NULL; 1016 int read_buf_len = 0; 1017 #ifndef OPENSSL_NO_NEXTPROTONEG 1018 const char *next_proto_neg_in = NULL; 1019 tlsextnextprotoctx next_proto = { NULL, 0 }; 1020 #endif 1021 const char *alpn_in = NULL; 1022 tlsextalpnctx alpn_ctx = { NULL, 0 }; 1023 #ifndef OPENSSL_NO_PSK 1024 /* by default do not send a PSK identity hint */ 1025 char *psk_identity_hint = NULL; 1026 #endif 1027 char *p; 1028 #ifndef OPENSSL_NO_SRP 1029 char *srpuserseed = NULL; 1030 char *srp_verifier_file = NULL; 1031 #endif 1032 #ifndef OPENSSL_NO_SRTP 1033 char *srtp_profiles = NULL; 1034 #endif 1035 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0; 1036 int s_server_verify = SSL_VERIFY_NONE; 1037 int s_server_session_id_context = 1; /* anything will do */ 1038 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL; 1039 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; 1040 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL; 1041 #ifndef OPENSSL_NO_OCSP 1042 int s_tlsextstatus = 0; 1043 #endif 1044 int no_resume_ephemeral = 0; 1045 unsigned int max_send_fragment = 0; 1046 unsigned int split_send_fragment = 0, max_pipelines = 0; 1047 const char *s_serverinfo_file = NULL; 1048 const char *keylog_file = NULL; 1049 int max_early_data = -1, recv_max_early_data = -1; 1050 char *psksessf = NULL; 1051 #ifndef OPENSSL_NO_SCTP 1052 int sctp_label_bug = 0; 1053 #endif 1054 1055 /* Init of few remaining global variables */ 1056 local_argc = argc; 1057 local_argv = argv; 1058 1059 ctx = ctx2 = NULL; 1060 s_nbio = s_nbio_test = 0; 1061 www = 0; 1062 bio_s_out = NULL; 1063 s_debug = 0; 1064 s_msg = 0; 1065 s_quiet = 0; 1066 s_brief = 0; 1067 async = 0; 1068 1069 cctx = SSL_CONF_CTX_new(); 1070 vpm = X509_VERIFY_PARAM_new(); 1071 if (cctx == NULL || vpm == NULL) 1072 goto end; 1073 SSL_CONF_CTX_set_flags(cctx, 1074 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE); 1075 1076 prog = opt_init(argc, argv, s_server_options); 1077 while ((o = opt_next()) != OPT_EOF) { 1078 if (IS_PROT_FLAG(o) && ++prot_opt > 1) { 1079 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); 1080 goto end; 1081 } 1082 if (IS_NO_PROT_FLAG(o)) 1083 no_prot_opt++; 1084 if (prot_opt == 1 && no_prot_opt) { 1085 BIO_printf(bio_err, 1086 "Cannot supply both a protocol flag and '-no_<prot>'\n"); 1087 goto end; 1088 } 1089 switch (o) { 1090 case OPT_EOF: 1091 case OPT_ERR: 1092 opthelp: 1093 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); 1094 goto end; 1095 case OPT_HELP: 1096 opt_help(s_server_options); 1097 ret = 0; 1098 goto end; 1099 1100 case OPT_4: 1101 #ifdef AF_UNIX 1102 if (socket_family == AF_UNIX) { 1103 OPENSSL_free(host); host = NULL; 1104 OPENSSL_free(port); port = NULL; 1105 } 1106 #endif 1107 socket_family = AF_INET; 1108 break; 1109 case OPT_6: 1110 if (1) { 1111 #ifdef AF_INET6 1112 #ifdef AF_UNIX 1113 if (socket_family == AF_UNIX) { 1114 OPENSSL_free(host); host = NULL; 1115 OPENSSL_free(port); port = NULL; 1116 } 1117 #endif 1118 socket_family = AF_INET6; 1119 } else { 1120 #endif 1121 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog); 1122 goto end; 1123 } 1124 break; 1125 case OPT_PORT: 1126 #ifdef AF_UNIX 1127 if (socket_family == AF_UNIX) { 1128 socket_family = AF_UNSPEC; 1129 } 1130 #endif 1131 OPENSSL_free(port); port = NULL; 1132 OPENSSL_free(host); host = NULL; 1133 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) { 1134 BIO_printf(bio_err, 1135 "%s: -port argument malformed or ambiguous\n", 1136 port); 1137 goto end; 1138 } 1139 break; 1140 case OPT_ACCEPT: 1141 #ifdef AF_UNIX 1142 if (socket_family == AF_UNIX) { 1143 socket_family = AF_UNSPEC; 1144 } 1145 #endif 1146 OPENSSL_free(port); port = NULL; 1147 OPENSSL_free(host); host = NULL; 1148 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) { 1149 BIO_printf(bio_err, 1150 "%s: -accept argument malformed or ambiguous\n", 1151 port); 1152 goto end; 1153 } 1154 break; 1155 #ifdef AF_UNIX 1156 case OPT_UNIX: 1157 socket_family = AF_UNIX; 1158 OPENSSL_free(host); host = BUF_strdup(opt_arg()); 1159 OPENSSL_free(port); port = NULL; 1160 break; 1161 case OPT_UNLINK: 1162 unlink_unix_path = 1; 1163 break; 1164 #endif 1165 case OPT_NACCEPT: 1166 naccept = atol(opt_arg()); 1167 break; 1168 case OPT_VERIFY: 1169 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; 1170 verify_args.depth = atoi(opt_arg()); 1171 if (!s_quiet) 1172 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth); 1173 break; 1174 case OPT_UPPER_V_VERIFY: 1175 s_server_verify = 1176 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | 1177 SSL_VERIFY_CLIENT_ONCE; 1178 verify_args.depth = atoi(opt_arg()); 1179 if (!s_quiet) 1180 BIO_printf(bio_err, 1181 "verify depth is %d, must return a certificate\n", 1182 verify_args.depth); 1183 break; 1184 case OPT_CONTEXT: 1185 context = (unsigned char *)opt_arg(); 1186 break; 1187 case OPT_CERT: 1188 s_cert_file = opt_arg(); 1189 break; 1190 case OPT_NAMEOPT: 1191 if (!set_nameopt(opt_arg())) 1192 goto end; 1193 break; 1194 case OPT_CRL: 1195 crl_file = opt_arg(); 1196 break; 1197 case OPT_CRL_DOWNLOAD: 1198 crl_download = 1; 1199 break; 1200 case OPT_SERVERINFO: 1201 s_serverinfo_file = opt_arg(); 1202 break; 1203 case OPT_CERTFORM: 1204 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format)) 1205 goto opthelp; 1206 break; 1207 case OPT_KEY: 1208 s_key_file = opt_arg(); 1209 break; 1210 case OPT_KEYFORM: 1211 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format)) 1212 goto opthelp; 1213 break; 1214 case OPT_PASS: 1215 passarg = opt_arg(); 1216 break; 1217 case OPT_CERT_CHAIN: 1218 s_chain_file = opt_arg(); 1219 break; 1220 case OPT_DHPARAM: 1221 #ifndef OPENSSL_NO_DH 1222 dhfile = opt_arg(); 1223 #endif 1224 break; 1225 case OPT_DCERTFORM: 1226 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format)) 1227 goto opthelp; 1228 break; 1229 case OPT_DCERT: 1230 s_dcert_file = opt_arg(); 1231 break; 1232 case OPT_DKEYFORM: 1233 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format)) 1234 goto opthelp; 1235 break; 1236 case OPT_DPASS: 1237 dpassarg = opt_arg(); 1238 break; 1239 case OPT_DKEY: 1240 s_dkey_file = opt_arg(); 1241 break; 1242 case OPT_DCERT_CHAIN: 1243 s_dchain_file = opt_arg(); 1244 break; 1245 case OPT_NOCERT: 1246 nocert = 1; 1247 break; 1248 case OPT_CAPATH: 1249 CApath = opt_arg(); 1250 break; 1251 case OPT_NOCAPATH: 1252 noCApath = 1; 1253 break; 1254 case OPT_CHAINCAPATH: 1255 chCApath = opt_arg(); 1256 break; 1257 case OPT_VERIFYCAPATH: 1258 vfyCApath = opt_arg(); 1259 break; 1260 case OPT_NO_CACHE: 1261 no_cache = 1; 1262 break; 1263 case OPT_EXT_CACHE: 1264 ext_cache = 1; 1265 break; 1266 case OPT_CRLFORM: 1267 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format)) 1268 goto opthelp; 1269 break; 1270 case OPT_S_CASES: 1271 case OPT_S_NUM_TICKETS: 1272 case OPT_ANTI_REPLAY: 1273 case OPT_NO_ANTI_REPLAY: 1274 if (ssl_args == NULL) 1275 ssl_args = sk_OPENSSL_STRING_new_null(); 1276 if (ssl_args == NULL 1277 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag()) 1278 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) { 1279 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog); 1280 goto end; 1281 } 1282 break; 1283 case OPT_V_CASES: 1284 if (!opt_verify(o, vpm)) 1285 goto end; 1286 vpmtouched++; 1287 break; 1288 case OPT_X_CASES: 1289 if (!args_excert(o, &exc)) 1290 goto end; 1291 break; 1292 case OPT_VERIFY_RET_ERROR: 1293 verify_args.return_error = 1; 1294 break; 1295 case OPT_VERIFY_QUIET: 1296 verify_args.quiet = 1; 1297 break; 1298 case OPT_BUILD_CHAIN: 1299 build_chain = 1; 1300 break; 1301 case OPT_CAFILE: 1302 CAfile = opt_arg(); 1303 break; 1304 case OPT_NOCAFILE: 1305 noCAfile = 1; 1306 break; 1307 case OPT_CHAINCAFILE: 1308 chCAfile = opt_arg(); 1309 break; 1310 case OPT_VERIFYCAFILE: 1311 vfyCAfile = opt_arg(); 1312 break; 1313 case OPT_NBIO: 1314 s_nbio = 1; 1315 break; 1316 case OPT_NBIO_TEST: 1317 s_nbio = s_nbio_test = 1; 1318 break; 1319 case OPT_IGN_EOF: 1320 s_ign_eof = 1; 1321 break; 1322 case OPT_NO_IGN_EOF: 1323 s_ign_eof = 0; 1324 break; 1325 case OPT_DEBUG: 1326 s_debug = 1; 1327 break; 1328 case OPT_TLSEXTDEBUG: 1329 s_tlsextdebug = 1; 1330 break; 1331 case OPT_STATUS: 1332 #ifndef OPENSSL_NO_OCSP 1333 s_tlsextstatus = 1; 1334 #endif 1335 break; 1336 case OPT_STATUS_VERBOSE: 1337 #ifndef OPENSSL_NO_OCSP 1338 s_tlsextstatus = tlscstatp.verbose = 1; 1339 #endif 1340 break; 1341 case OPT_STATUS_TIMEOUT: 1342 #ifndef OPENSSL_NO_OCSP 1343 s_tlsextstatus = 1; 1344 tlscstatp.timeout = atoi(opt_arg()); 1345 #endif 1346 break; 1347 case OPT_STATUS_URL: 1348 #ifndef OPENSSL_NO_OCSP 1349 s_tlsextstatus = 1; 1350 if (!OCSP_parse_url(opt_arg(), 1351 &tlscstatp.host, 1352 &tlscstatp.port, 1353 &tlscstatp.path, &tlscstatp.use_ssl)) { 1354 BIO_printf(bio_err, "Error parsing URL\n"); 1355 goto end; 1356 } 1357 #endif 1358 break; 1359 case OPT_STATUS_FILE: 1360 #ifndef OPENSSL_NO_OCSP 1361 s_tlsextstatus = 1; 1362 tlscstatp.respin = opt_arg(); 1363 #endif 1364 break; 1365 case OPT_MSG: 1366 s_msg = 1; 1367 break; 1368 case OPT_MSGFILE: 1369 bio_s_msg = BIO_new_file(opt_arg(), "w"); 1370 break; 1371 case OPT_TRACE: 1372 #ifndef OPENSSL_NO_SSL_TRACE 1373 s_msg = 2; 1374 #endif 1375 break; 1376 case OPT_SECURITY_DEBUG: 1377 sdebug = 1; 1378 break; 1379 case OPT_SECURITY_DEBUG_VERBOSE: 1380 sdebug = 2; 1381 break; 1382 case OPT_STATE: 1383 state = 1; 1384 break; 1385 case OPT_CRLF: 1386 s_crlf = 1; 1387 break; 1388 case OPT_QUIET: 1389 s_quiet = 1; 1390 break; 1391 case OPT_BRIEF: 1392 s_quiet = s_brief = verify_args.quiet = 1; 1393 break; 1394 case OPT_NO_DHE: 1395 #ifndef OPENSSL_NO_DH 1396 no_dhe = 1; 1397 #endif 1398 break; 1399 case OPT_NO_RESUME_EPHEMERAL: 1400 no_resume_ephemeral = 1; 1401 break; 1402 case OPT_PSK_IDENTITY: 1403 psk_identity = opt_arg(); 1404 break; 1405 case OPT_PSK_HINT: 1406 #ifndef OPENSSL_NO_PSK 1407 psk_identity_hint = opt_arg(); 1408 #endif 1409 break; 1410 case OPT_PSK: 1411 for (p = psk_key = opt_arg(); *p; p++) { 1412 if (isxdigit(_UC(*p))) 1413 continue; 1414 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key); 1415 goto end; 1416 } 1417 break; 1418 case OPT_PSK_SESS: 1419 psksessf = opt_arg(); 1420 break; 1421 case OPT_SRPVFILE: 1422 #ifndef OPENSSL_NO_SRP 1423 srp_verifier_file = opt_arg(); 1424 if (min_version < TLS1_VERSION) 1425 min_version = TLS1_VERSION; 1426 #endif 1427 break; 1428 case OPT_SRPUSERSEED: 1429 #ifndef OPENSSL_NO_SRP 1430 srpuserseed = opt_arg(); 1431 if (min_version < TLS1_VERSION) 1432 min_version = TLS1_VERSION; 1433 #endif 1434 break; 1435 case OPT_REV: 1436 rev = 1; 1437 break; 1438 case OPT_WWW: 1439 www = 1; 1440 break; 1441 case OPT_UPPER_WWW: 1442 www = 2; 1443 break; 1444 case OPT_HTTP: 1445 www = 3; 1446 break; 1447 case OPT_SSL_CONFIG: 1448 ssl_config = opt_arg(); 1449 break; 1450 case OPT_SSL3: 1451 min_version = SSL3_VERSION; 1452 max_version = SSL3_VERSION; 1453 break; 1454 case OPT_TLS1_3: 1455 min_version = TLS1_3_VERSION; 1456 max_version = TLS1_3_VERSION; 1457 break; 1458 case OPT_TLS1_2: 1459 min_version = TLS1_2_VERSION; 1460 max_version = TLS1_2_VERSION; 1461 break; 1462 case OPT_TLS1_1: 1463 min_version = TLS1_1_VERSION; 1464 max_version = TLS1_1_VERSION; 1465 break; 1466 case OPT_TLS1: 1467 min_version = TLS1_VERSION; 1468 max_version = TLS1_VERSION; 1469 break; 1470 case OPT_DTLS: 1471 #ifndef OPENSSL_NO_DTLS 1472 meth = DTLS_server_method(); 1473 socket_type = SOCK_DGRAM; 1474 #endif 1475 break; 1476 case OPT_DTLS1: 1477 #ifndef OPENSSL_NO_DTLS 1478 meth = DTLS_server_method(); 1479 min_version = DTLS1_VERSION; 1480 max_version = DTLS1_VERSION; 1481 socket_type = SOCK_DGRAM; 1482 #endif 1483 break; 1484 case OPT_DTLS1_2: 1485 #ifndef OPENSSL_NO_DTLS 1486 meth = DTLS_server_method(); 1487 min_version = DTLS1_2_VERSION; 1488 max_version = DTLS1_2_VERSION; 1489 socket_type = SOCK_DGRAM; 1490 #endif 1491 break; 1492 case OPT_SCTP: 1493 #ifndef OPENSSL_NO_SCTP 1494 protocol = IPPROTO_SCTP; 1495 #endif 1496 break; 1497 case OPT_SCTP_LABEL_BUG: 1498 #ifndef OPENSSL_NO_SCTP 1499 sctp_label_bug = 1; 1500 #endif 1501 break; 1502 case OPT_TIMEOUT: 1503 #ifndef OPENSSL_NO_DTLS 1504 enable_timeouts = 1; 1505 #endif 1506 break; 1507 case OPT_MTU: 1508 #ifndef OPENSSL_NO_DTLS 1509 socket_mtu = atol(opt_arg()); 1510 #endif 1511 break; 1512 case OPT_LISTEN: 1513 #ifndef OPENSSL_NO_DTLS 1514 dtlslisten = 1; 1515 #endif 1516 break; 1517 case OPT_STATELESS: 1518 stateless = 1; 1519 break; 1520 case OPT_ID_PREFIX: 1521 session_id_prefix = opt_arg(); 1522 break; 1523 case OPT_ENGINE: 1524 engine = setup_engine(opt_arg(), 1); 1525 break; 1526 case OPT_R_CASES: 1527 if (!opt_rand(o)) 1528 goto end; 1529 break; 1530 case OPT_SERVERNAME: 1531 tlsextcbp.servername = opt_arg(); 1532 break; 1533 case OPT_SERVERNAME_FATAL: 1534 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1535 break; 1536 case OPT_CERT2: 1537 s_cert_file2 = opt_arg(); 1538 break; 1539 case OPT_KEY2: 1540 s_key_file2 = opt_arg(); 1541 break; 1542 case OPT_NEXTPROTONEG: 1543 # ifndef OPENSSL_NO_NEXTPROTONEG 1544 next_proto_neg_in = opt_arg(); 1545 #endif 1546 break; 1547 case OPT_ALPN: 1548 alpn_in = opt_arg(); 1549 break; 1550 case OPT_SRTP_PROFILES: 1551 #ifndef OPENSSL_NO_SRTP 1552 srtp_profiles = opt_arg(); 1553 #endif 1554 break; 1555 case OPT_KEYMATEXPORT: 1556 keymatexportlabel = opt_arg(); 1557 break; 1558 case OPT_KEYMATEXPORTLEN: 1559 keymatexportlen = atoi(opt_arg()); 1560 break; 1561 case OPT_ASYNC: 1562 async = 1; 1563 break; 1564 case OPT_MAX_SEND_FRAG: 1565 max_send_fragment = atoi(opt_arg()); 1566 break; 1567 case OPT_SPLIT_SEND_FRAG: 1568 split_send_fragment = atoi(opt_arg()); 1569 break; 1570 case OPT_MAX_PIPELINES: 1571 max_pipelines = atoi(opt_arg()); 1572 break; 1573 case OPT_READ_BUF: 1574 read_buf_len = atoi(opt_arg()); 1575 break; 1576 case OPT_KEYLOG_FILE: 1577 keylog_file = opt_arg(); 1578 break; 1579 case OPT_MAX_EARLY: 1580 max_early_data = atoi(opt_arg()); 1581 if (max_early_data < 0) { 1582 BIO_printf(bio_err, "Invalid value for max_early_data\n"); 1583 goto end; 1584 } 1585 break; 1586 case OPT_RECV_MAX_EARLY: 1587 recv_max_early_data = atoi(opt_arg()); 1588 if (recv_max_early_data < 0) { 1589 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n"); 1590 goto end; 1591 } 1592 break; 1593 case OPT_EARLY_DATA: 1594 early_data = 1; 1595 if (max_early_data == -1) 1596 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH; 1597 break; 1598 } 1599 } 1600 argc = opt_num_rest(); 1601 argv = opt_rest(); 1602 1603 #ifndef OPENSSL_NO_NEXTPROTONEG 1604 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) { 1605 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n"); 1606 goto opthelp; 1607 } 1608 #endif 1609 #ifndef OPENSSL_NO_DTLS 1610 if (www && socket_type == SOCK_DGRAM) { 1611 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1612 goto end; 1613 } 1614 1615 if (dtlslisten && socket_type != SOCK_DGRAM) { 1616 BIO_printf(bio_err, "Can only use -listen with DTLS\n"); 1617 goto end; 1618 } 1619 #endif 1620 1621 if (stateless && socket_type != SOCK_STREAM) { 1622 BIO_printf(bio_err, "Can only use --stateless with TLS\n"); 1623 goto end; 1624 } 1625 1626 #ifdef AF_UNIX 1627 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) { 1628 BIO_printf(bio_err, 1629 "Can't use unix sockets and datagrams together\n"); 1630 goto end; 1631 } 1632 #endif 1633 if (early_data && (www > 0 || rev)) { 1634 BIO_printf(bio_err, 1635 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n"); 1636 goto end; 1637 } 1638 1639 #ifndef OPENSSL_NO_SCTP 1640 if (protocol == IPPROTO_SCTP) { 1641 if (socket_type != SOCK_DGRAM) { 1642 BIO_printf(bio_err, "Can't use -sctp without DTLS\n"); 1643 goto end; 1644 } 1645 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */ 1646 socket_type = SOCK_STREAM; 1647 } 1648 #endif 1649 1650 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) { 1651 BIO_printf(bio_err, "Error getting password\n"); 1652 goto end; 1653 } 1654 1655 if (s_key_file == NULL) 1656 s_key_file = s_cert_file; 1657 1658 if (s_key_file2 == NULL) 1659 s_key_file2 = s_cert_file2; 1660 1661 if (!load_excert(&exc)) 1662 goto end; 1663 1664 if (nocert == 0) { 1665 s_key = load_key(s_key_file, s_key_format, 0, pass, engine, 1666 "server certificate private key file"); 1667 if (s_key == NULL) { 1668 ERR_print_errors(bio_err); 1669 goto end; 1670 } 1671 1672 s_cert = load_cert(s_cert_file, s_cert_format, 1673 "server certificate file"); 1674 1675 if (s_cert == NULL) { 1676 ERR_print_errors(bio_err); 1677 goto end; 1678 } 1679 if (s_chain_file != NULL) { 1680 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL, 1681 "server certificate chain")) 1682 goto end; 1683 } 1684 1685 if (tlsextcbp.servername != NULL) { 1686 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine, 1687 "second server certificate private key file"); 1688 if (s_key2 == NULL) { 1689 ERR_print_errors(bio_err); 1690 goto end; 1691 } 1692 1693 s_cert2 = load_cert(s_cert_file2, s_cert_format, 1694 "second server certificate file"); 1695 1696 if (s_cert2 == NULL) { 1697 ERR_print_errors(bio_err); 1698 goto end; 1699 } 1700 } 1701 } 1702 #if !defined(OPENSSL_NO_NEXTPROTONEG) 1703 if (next_proto_neg_in) { 1704 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1705 if (next_proto.data == NULL) 1706 goto end; 1707 } 1708 #endif 1709 alpn_ctx.data = NULL; 1710 if (alpn_in) { 1711 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in); 1712 if (alpn_ctx.data == NULL) 1713 goto end; 1714 } 1715 1716 if (crl_file != NULL) { 1717 X509_CRL *crl; 1718 crl = load_crl(crl_file, crl_format); 1719 if (crl == NULL) { 1720 BIO_puts(bio_err, "Error loading CRL\n"); 1721 ERR_print_errors(bio_err); 1722 goto end; 1723 } 1724 crls = sk_X509_CRL_new_null(); 1725 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) { 1726 BIO_puts(bio_err, "Error adding CRL\n"); 1727 ERR_print_errors(bio_err); 1728 X509_CRL_free(crl); 1729 goto end; 1730 } 1731 } 1732 1733 if (s_dcert_file != NULL) { 1734 1735 if (s_dkey_file == NULL) 1736 s_dkey_file = s_dcert_file; 1737 1738 s_dkey = load_key(s_dkey_file, s_dkey_format, 1739 0, dpass, engine, "second certificate private key file"); 1740 if (s_dkey == NULL) { 1741 ERR_print_errors(bio_err); 1742 goto end; 1743 } 1744 1745 s_dcert = load_cert(s_dcert_file, s_dcert_format, 1746 "second server certificate file"); 1747 1748 if (s_dcert == NULL) { 1749 ERR_print_errors(bio_err); 1750 goto end; 1751 } 1752 if (s_dchain_file != NULL) { 1753 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL, 1754 "second server certificate chain")) 1755 goto end; 1756 } 1757 1758 } 1759 1760 if (bio_s_out == NULL) { 1761 if (s_quiet && !s_debug) { 1762 bio_s_out = BIO_new(BIO_s_null()); 1763 if (s_msg && bio_s_msg == NULL) 1764 bio_s_msg = dup_bio_out(FORMAT_TEXT); 1765 } else { 1766 if (bio_s_out == NULL) 1767 bio_s_out = dup_bio_out(FORMAT_TEXT); 1768 } 1769 } 1770 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC) 1771 if (nocert) 1772 #endif 1773 { 1774 s_cert_file = NULL; 1775 s_key_file = NULL; 1776 s_dcert_file = NULL; 1777 s_dkey_file = NULL; 1778 s_cert_file2 = NULL; 1779 s_key_file2 = NULL; 1780 } 1781 1782 ctx = SSL_CTX_new(meth); 1783 if (ctx == NULL) { 1784 ERR_print_errors(bio_err); 1785 goto end; 1786 } 1787 1788 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY); 1789 1790 if (sdebug) 1791 ssl_ctx_security_debug(ctx, sdebug); 1792 1793 if (!config_ctx(cctx, ssl_args, ctx)) 1794 goto end; 1795 1796 if (ssl_config) { 1797 if (SSL_CTX_config(ctx, ssl_config) == 0) { 1798 BIO_printf(bio_err, "Error using configuration \"%s\"\n", 1799 ssl_config); 1800 ERR_print_errors(bio_err); 1801 goto end; 1802 } 1803 } 1804 1805 #ifndef OPENSSL_NO_SCTP 1806 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1) 1807 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); 1808 #endif 1809 1810 if (min_version != 0 1811 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0) 1812 goto end; 1813 if (max_version != 0 1814 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0) 1815 goto end; 1816 1817 if (session_id_prefix) { 1818 if (strlen(session_id_prefix) >= 32) 1819 BIO_printf(bio_err, 1820 "warning: id_prefix is too long, only one new session will be possible\n"); 1821 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1822 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1823 ERR_print_errors(bio_err); 1824 goto end; 1825 } 1826 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1827 } 1828 SSL_CTX_set_quiet_shutdown(ctx, 1); 1829 if (exc != NULL) 1830 ssl_ctx_set_excert(ctx, exc); 1831 1832 if (state) 1833 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1834 if (no_cache) 1835 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1836 else if (ext_cache) 1837 init_session_cache_ctx(ctx); 1838 else 1839 SSL_CTX_sess_set_cache_size(ctx, 128); 1840 1841 if (async) { 1842 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC); 1843 } 1844 1845 if (max_send_fragment > 0 1846 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) { 1847 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n", 1848 prog, max_send_fragment); 1849 goto end; 1850 } 1851 1852 if (split_send_fragment > 0 1853 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) { 1854 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n", 1855 prog, split_send_fragment); 1856 goto end; 1857 } 1858 if (max_pipelines > 0 1859 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) { 1860 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n", 1861 prog, max_pipelines); 1862 goto end; 1863 } 1864 1865 if (read_buf_len > 0) { 1866 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len); 1867 } 1868 #ifndef OPENSSL_NO_SRTP 1869 if (srtp_profiles != NULL) { 1870 /* Returns 0 on success! */ 1871 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) { 1872 BIO_printf(bio_err, "Error setting SRTP profile\n"); 1873 ERR_print_errors(bio_err); 1874 goto end; 1875 } 1876 } 1877 #endif 1878 1879 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) { 1880 ERR_print_errors(bio_err); 1881 goto end; 1882 } 1883 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) { 1884 BIO_printf(bio_err, "Error setting verify params\n"); 1885 ERR_print_errors(bio_err); 1886 goto end; 1887 } 1888 1889 ssl_ctx_add_crls(ctx, crls, 0); 1890 1891 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1892 crls, crl_download)) { 1893 BIO_printf(bio_err, "Error loading store locations\n"); 1894 ERR_print_errors(bio_err); 1895 goto end; 1896 } 1897 1898 if (s_cert2) { 1899 ctx2 = SSL_CTX_new(meth); 1900 if (ctx2 == NULL) { 1901 ERR_print_errors(bio_err); 1902 goto end; 1903 } 1904 } 1905 1906 if (ctx2 != NULL) { 1907 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1908 1909 if (sdebug) 1910 ssl_ctx_security_debug(ctx, sdebug); 1911 1912 if (session_id_prefix) { 1913 if (strlen(session_id_prefix) >= 32) 1914 BIO_printf(bio_err, 1915 "warning: id_prefix is too long, only one new session will be possible\n"); 1916 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1917 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1918 ERR_print_errors(bio_err); 1919 goto end; 1920 } 1921 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1922 } 1923 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1924 if (exc != NULL) 1925 ssl_ctx_set_excert(ctx2, exc); 1926 1927 if (state) 1928 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1929 1930 if (no_cache) 1931 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1932 else if (ext_cache) 1933 init_session_cache_ctx(ctx2); 1934 else 1935 SSL_CTX_sess_set_cache_size(ctx2, 128); 1936 1937 if (async) 1938 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC); 1939 1940 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile, 1941 noCApath)) { 1942 ERR_print_errors(bio_err); 1943 goto end; 1944 } 1945 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) { 1946 BIO_printf(bio_err, "Error setting verify params\n"); 1947 ERR_print_errors(bio_err); 1948 goto end; 1949 } 1950 1951 ssl_ctx_add_crls(ctx2, crls, 0); 1952 if (!config_ctx(cctx, ssl_args, ctx2)) 1953 goto end; 1954 } 1955 #ifndef OPENSSL_NO_NEXTPROTONEG 1956 if (next_proto.data) 1957 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1958 &next_proto); 1959 #endif 1960 if (alpn_ctx.data) 1961 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); 1962 1963 #ifndef OPENSSL_NO_DH 1964 if (!no_dhe) { 1965 DH *dh = NULL; 1966 1967 if (dhfile != NULL) 1968 dh = load_dh_param(dhfile); 1969 else if (s_cert_file != NULL) 1970 dh = load_dh_param(s_cert_file); 1971 1972 if (dh != NULL) { 1973 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1974 } else { 1975 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1976 } 1977 (void)BIO_flush(bio_s_out); 1978 1979 if (dh == NULL) { 1980 SSL_CTX_set_dh_auto(ctx, 1); 1981 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) { 1982 BIO_puts(bio_err, "Error setting temp DH parameters\n"); 1983 ERR_print_errors(bio_err); 1984 DH_free(dh); 1985 goto end; 1986 } 1987 1988 if (ctx2 != NULL) { 1989 if (!dhfile) { 1990 DH *dh2 = load_dh_param(s_cert_file2); 1991 if (dh2 != NULL) { 1992 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1993 (void)BIO_flush(bio_s_out); 1994 1995 DH_free(dh); 1996 dh = dh2; 1997 } 1998 } 1999 if (dh == NULL) { 2000 SSL_CTX_set_dh_auto(ctx2, 1); 2001 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) { 2002 BIO_puts(bio_err, "Error setting temp DH parameters\n"); 2003 ERR_print_errors(bio_err); 2004 DH_free(dh); 2005 goto end; 2006 } 2007 } 2008 DH_free(dh); 2009 } 2010 #endif 2011 2012 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) 2013 goto end; 2014 2015 if (s_serverinfo_file != NULL 2016 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { 2017 ERR_print_errors(bio_err); 2018 goto end; 2019 } 2020 2021 if (ctx2 != NULL 2022 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) 2023 goto end; 2024 2025 if (s_dcert != NULL) { 2026 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) 2027 goto end; 2028 } 2029 2030 if (no_resume_ephemeral) { 2031 SSL_CTX_set_not_resumable_session_callback(ctx, 2032 not_resumable_sess_cb); 2033 2034 if (ctx2 != NULL) 2035 SSL_CTX_set_not_resumable_session_callback(ctx2, 2036 not_resumable_sess_cb); 2037 } 2038 #ifndef OPENSSL_NO_PSK 2039 if (psk_key != NULL) { 2040 if (s_debug) 2041 BIO_printf(bio_s_out, "PSK key given, setting server callback\n"); 2042 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 2043 } 2044 2045 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 2046 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 2047 ERR_print_errors(bio_err); 2048 goto end; 2049 } 2050 #endif 2051 if (psksessf != NULL) { 2052 BIO *stmp = BIO_new_file(psksessf, "r"); 2053 2054 if (stmp == NULL) { 2055 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf); 2056 ERR_print_errors(bio_err); 2057 goto end; 2058 } 2059 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 2060 BIO_free(stmp); 2061 if (psksess == NULL) { 2062 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf); 2063 ERR_print_errors(bio_err); 2064 goto end; 2065 } 2066 2067 } 2068 2069 if (psk_key != NULL || psksess != NULL) 2070 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb); 2071 2072 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 2073 if (!SSL_CTX_set_session_id_context(ctx, 2074 (void *)&s_server_session_id_context, 2075 sizeof(s_server_session_id_context))) { 2076 BIO_printf(bio_err, "error setting session id context\n"); 2077 ERR_print_errors(bio_err); 2078 goto end; 2079 } 2080 2081 /* Set DTLS cookie generation and verification callbacks */ 2082 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 2083 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 2084 2085 /* Set TLS1.3 cookie generation and verification callbacks */ 2086 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback); 2087 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback); 2088 2089 if (ctx2 != NULL) { 2090 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 2091 if (!SSL_CTX_set_session_id_context(ctx2, 2092 (void *)&s_server_session_id_context, 2093 sizeof(s_server_session_id_context))) { 2094 BIO_printf(bio_err, "error setting session id context\n"); 2095 ERR_print_errors(bio_err); 2096 goto end; 2097 } 2098 tlsextcbp.biodebug = bio_s_out; 2099 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 2100 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 2101 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 2102 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 2103 } 2104 2105 #ifndef OPENSSL_NO_SRP 2106 if (srp_verifier_file != NULL) { 2107 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 2108 srp_callback_parm.user = NULL; 2109 srp_callback_parm.login = NULL; 2110 if ((ret = 2111 SRP_VBASE_init(srp_callback_parm.vb, 2112 srp_verifier_file)) != SRP_NO_ERROR) { 2113 BIO_printf(bio_err, 2114 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 2115 srp_verifier_file, ret); 2116 goto end; 2117 } 2118 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 2119 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 2120 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 2121 } else 2122 #endif 2123 if (CAfile != NULL) { 2124 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 2125 2126 if (ctx2) 2127 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 2128 } 2129 #ifndef OPENSSL_NO_OCSP 2130 if (s_tlsextstatus) { 2131 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 2132 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 2133 if (ctx2) { 2134 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb); 2135 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp); 2136 } 2137 } 2138 #endif 2139 if (set_keylog_file(ctx, keylog_file)) 2140 goto end; 2141 2142 if (max_early_data >= 0) 2143 SSL_CTX_set_max_early_data(ctx, max_early_data); 2144 if (recv_max_early_data >= 0) 2145 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data); 2146 2147 if (rev) 2148 server_cb = rev_body; 2149 else if (www) 2150 server_cb = www_body; 2151 else 2152 server_cb = sv_body; 2153 #ifdef AF_UNIX 2154 if (socket_family == AF_UNIX 2155 && unlink_unix_path) 2156 unlink(host); 2157 #endif 2158 do_server(&accept_socket, host, port, socket_family, socket_type, protocol, 2159 server_cb, context, naccept, bio_s_out); 2160 print_stats(bio_s_out, ctx); 2161 ret = 0; 2162 end: 2163 SSL_CTX_free(ctx); 2164 SSL_SESSION_free(psksess); 2165 set_keylog_file(NULL, NULL); 2166 X509_free(s_cert); 2167 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2168 X509_free(s_dcert); 2169 EVP_PKEY_free(s_key); 2170 EVP_PKEY_free(s_dkey); 2171 sk_X509_pop_free(s_chain, X509_free); 2172 sk_X509_pop_free(s_dchain, X509_free); 2173 OPENSSL_free(pass); 2174 OPENSSL_free(dpass); 2175 OPENSSL_free(host); 2176 OPENSSL_free(port); 2177 X509_VERIFY_PARAM_free(vpm); 2178 free_sessions(); 2179 OPENSSL_free(tlscstatp.host); 2180 OPENSSL_free(tlscstatp.port); 2181 OPENSSL_free(tlscstatp.path); 2182 SSL_CTX_free(ctx2); 2183 X509_free(s_cert2); 2184 EVP_PKEY_free(s_key2); 2185 #ifndef OPENSSL_NO_NEXTPROTONEG 2186 OPENSSL_free(next_proto.data); 2187 #endif 2188 OPENSSL_free(alpn_ctx.data); 2189 ssl_excert_free(exc); 2190 sk_OPENSSL_STRING_free(ssl_args); 2191 SSL_CONF_CTX_free(cctx); 2192 release_engine(engine); 2193 BIO_free(bio_s_out); 2194 bio_s_out = NULL; 2195 BIO_free(bio_s_msg); 2196 bio_s_msg = NULL; 2197 #ifdef CHARSET_EBCDIC 2198 BIO_meth_free(methods_ebcdic); 2199 #endif 2200 return ret; 2201 } 2202 2203 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 2204 { 2205 BIO_printf(bio, "%4ld items in the session cache\n", 2206 SSL_CTX_sess_number(ssl_ctx)); 2207 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 2208 SSL_CTX_sess_connect(ssl_ctx)); 2209 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 2210 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 2211 BIO_printf(bio, "%4ld client connects that finished\n", 2212 SSL_CTX_sess_connect_good(ssl_ctx)); 2213 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 2214 SSL_CTX_sess_accept(ssl_ctx)); 2215 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 2216 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 2217 BIO_printf(bio, "%4ld server accepts that finished\n", 2218 SSL_CTX_sess_accept_good(ssl_ctx)); 2219 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 2220 BIO_printf(bio, "%4ld session cache misses\n", 2221 SSL_CTX_sess_misses(ssl_ctx)); 2222 BIO_printf(bio, "%4ld session cache timeouts\n", 2223 SSL_CTX_sess_timeouts(ssl_ctx)); 2224 BIO_printf(bio, "%4ld callback cache hits\n", 2225 SSL_CTX_sess_cb_hits(ssl_ctx)); 2226 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 2227 SSL_CTX_sess_cache_full(ssl_ctx), 2228 SSL_CTX_sess_get_cache_size(ssl_ctx)); 2229 } 2230 2231 static int sv_body(int s, int stype, int prot, unsigned char *context) 2232 { 2233 char *buf = NULL; 2234 fd_set readfds; 2235 int ret = 1, width; 2236 int k, i; 2237 unsigned long l; 2238 SSL *con = NULL; 2239 BIO *sbio; 2240 struct timeval timeout; 2241 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)) 2242 struct timeval *timeoutp; 2243 #endif 2244 #ifndef OPENSSL_NO_DTLS 2245 # ifndef OPENSSL_NO_SCTP 2246 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP); 2247 # else 2248 int isdtls = (stype == SOCK_DGRAM); 2249 # endif 2250 #endif 2251 2252 buf = app_malloc(bufsize, "server buffer"); 2253 if (s_nbio) { 2254 if (!BIO_socket_nbio(s, 1)) 2255 ERR_print_errors(bio_err); 2256 else if (!s_quiet) 2257 BIO_printf(bio_err, "Turned on non blocking io\n"); 2258 } 2259 2260 con = SSL_new(ctx); 2261 if (con == NULL) { 2262 ret = -1; 2263 goto err; 2264 } 2265 2266 if (s_tlsextdebug) { 2267 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2268 SSL_set_tlsext_debug_arg(con, bio_s_out); 2269 } 2270 2271 if (context != NULL 2272 && !SSL_set_session_id_context(con, context, 2273 strlen((char *)context))) { 2274 BIO_printf(bio_err, "Error setting session id context\n"); 2275 ret = -1; 2276 goto err; 2277 } 2278 2279 if (!SSL_clear(con)) { 2280 BIO_printf(bio_err, "Error clearing SSL connection\n"); 2281 ret = -1; 2282 goto err; 2283 } 2284 #ifndef OPENSSL_NO_DTLS 2285 if (isdtls) { 2286 # ifndef OPENSSL_NO_SCTP 2287 if (prot == IPPROTO_SCTP) 2288 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE); 2289 else 2290 # endif 2291 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2292 2293 if (enable_timeouts) { 2294 timeout.tv_sec = 0; 2295 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2296 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2297 2298 timeout.tv_sec = 0; 2299 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2300 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2301 } 2302 2303 if (socket_mtu) { 2304 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2305 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2306 DTLS_get_link_min_mtu(con)); 2307 ret = -1; 2308 BIO_free(sbio); 2309 goto err; 2310 } 2311 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2312 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2313 BIO_printf(bio_err, "Failed to set MTU\n"); 2314 ret = -1; 2315 BIO_free(sbio); 2316 goto err; 2317 } 2318 } else 2319 /* want to do MTU discovery */ 2320 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2321 2322 # ifndef OPENSSL_NO_SCTP 2323 if (prot != IPPROTO_SCTP) 2324 # endif 2325 /* Turn on cookie exchange. Not necessary for SCTP */ 2326 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2327 } else 2328 #endif 2329 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2330 2331 if (sbio == NULL) { 2332 BIO_printf(bio_err, "Unable to create BIO\n"); 2333 ERR_print_errors(bio_err); 2334 goto err; 2335 } 2336 2337 if (s_nbio_test) { 2338 BIO *test; 2339 2340 test = BIO_new(BIO_f_nbio_test()); 2341 sbio = BIO_push(test, sbio); 2342 } 2343 2344 SSL_set_bio(con, sbio, sbio); 2345 SSL_set_accept_state(con); 2346 /* SSL_set_fd(con,s); */ 2347 2348 if (s_debug) { 2349 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2350 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2351 } 2352 if (s_msg) { 2353 #ifndef OPENSSL_NO_SSL_TRACE 2354 if (s_msg == 2) 2355 SSL_set_msg_callback(con, SSL_trace); 2356 else 2357 #endif 2358 SSL_set_msg_callback(con, msg_cb); 2359 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2360 } 2361 2362 if (s_tlsextdebug) { 2363 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2364 SSL_set_tlsext_debug_arg(con, bio_s_out); 2365 } 2366 2367 if (early_data) { 2368 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR; 2369 size_t readbytes; 2370 2371 while (edret != SSL_READ_EARLY_DATA_FINISH) { 2372 for (;;) { 2373 edret = SSL_read_early_data(con, buf, bufsize, &readbytes); 2374 if (edret != SSL_READ_EARLY_DATA_ERROR) 2375 break; 2376 2377 switch (SSL_get_error(con, 0)) { 2378 case SSL_ERROR_WANT_WRITE: 2379 case SSL_ERROR_WANT_ASYNC: 2380 case SSL_ERROR_WANT_READ: 2381 /* Just keep trying - busy waiting */ 2382 continue; 2383 default: 2384 BIO_printf(bio_err, "Error reading early data\n"); 2385 ERR_print_errors(bio_err); 2386 goto err; 2387 } 2388 } 2389 if (readbytes > 0) { 2390 if (write_header) { 2391 BIO_printf(bio_s_out, "Early data received:\n"); 2392 write_header = 0; 2393 } 2394 raw_write_stdout(buf, (unsigned int)readbytes); 2395 (void)BIO_flush(bio_s_out); 2396 } 2397 } 2398 if (write_header) { 2399 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT) 2400 BIO_printf(bio_s_out, "No early data received\n"); 2401 else 2402 BIO_printf(bio_s_out, "Early data was rejected\n"); 2403 } else { 2404 BIO_printf(bio_s_out, "\nEnd of early data\n"); 2405 } 2406 if (SSL_is_init_finished(con)) 2407 print_connection_info(con); 2408 } 2409 2410 if (fileno_stdin() > s) 2411 width = fileno_stdin() + 1; 2412 else 2413 width = s + 1; 2414 for (;;) { 2415 int read_from_terminal; 2416 int read_from_sslcon; 2417 2418 read_from_terminal = 0; 2419 read_from_sslcon = SSL_has_pending(con) 2420 || (async && SSL_waiting_for_async(con)); 2421 2422 if (!read_from_sslcon) { 2423 FD_ZERO(&readfds); 2424 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) 2425 openssl_fdset(fileno_stdin(), &readfds); 2426 #endif 2427 openssl_fdset(s, &readfds); 2428 /* 2429 * Note: under VMS with SOCKETSHR the second parameter is 2430 * currently of type (int *) whereas under other systems it is 2431 * (void *) if you don't have a cast it will choke the compiler: 2432 * if you do have a cast then you can either go for (int *) or 2433 * (void *). 2434 */ 2435 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 2436 /* 2437 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2438 * only on sockets. As a workaround we timeout the select every 2439 * second and check for any keypress. In a proper Windows 2440 * application we wouldn't do this because it is inefficient. 2441 */ 2442 timeout.tv_sec = 1; 2443 timeout.tv_usec = 0; 2444 i = select(width, (void *)&readfds, NULL, NULL, &timeout); 2445 if (has_stdin_waiting()) 2446 read_from_terminal = 1; 2447 if ((i < 0) || (!i && !read_from_terminal)) 2448 continue; 2449 #else 2450 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout)) 2451 timeoutp = &timeout; 2452 else 2453 timeoutp = NULL; 2454 2455 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2456 2457 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0) 2458 BIO_printf(bio_err, "TIMEOUT occurred\n"); 2459 2460 if (i <= 0) 2461 continue; 2462 if (FD_ISSET(fileno_stdin(), &readfds)) 2463 read_from_terminal = 1; 2464 #endif 2465 if (FD_ISSET(s, &readfds)) 2466 read_from_sslcon = 1; 2467 } 2468 if (read_from_terminal) { 2469 if (s_crlf) { 2470 int j, lf_num; 2471 2472 i = raw_read_stdin(buf, bufsize / 2); 2473 lf_num = 0; 2474 /* both loops are skipped when i <= 0 */ 2475 for (j = 0; j < i; j++) 2476 if (buf[j] == '\n') 2477 lf_num++; 2478 for (j = i - 1; j >= 0; j--) { 2479 buf[j + lf_num] = buf[j]; 2480 if (buf[j] == '\n') { 2481 lf_num--; 2482 i++; 2483 buf[j + lf_num] = '\r'; 2484 } 2485 } 2486 assert(lf_num == 0); 2487 } else { 2488 i = raw_read_stdin(buf, bufsize); 2489 } 2490 2491 if (!s_quiet && !s_brief) { 2492 if ((i <= 0) || (buf[0] == 'Q')) { 2493 BIO_printf(bio_s_out, "DONE\n"); 2494 (void)BIO_flush(bio_s_out); 2495 BIO_closesocket(s); 2496 close_accept_socket(); 2497 ret = -11; 2498 goto err; 2499 } 2500 if ((i <= 0) || (buf[0] == 'q')) { 2501 BIO_printf(bio_s_out, "DONE\n"); 2502 (void)BIO_flush(bio_s_out); 2503 if (SSL_version(con) != DTLS1_VERSION) 2504 BIO_closesocket(s); 2505 /* 2506 * close_accept_socket(); ret= -11; 2507 */ 2508 goto err; 2509 } 2510 #ifndef OPENSSL_NO_HEARTBEATS 2511 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2512 BIO_printf(bio_err, "HEARTBEATING\n"); 2513 SSL_heartbeat(con); 2514 i = 0; 2515 continue; 2516 } 2517 #endif 2518 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2519 SSL_renegotiate(con); 2520 i = SSL_do_handshake(con); 2521 printf("SSL_do_handshake -> %d\n", i); 2522 i = 0; /* 13; */ 2523 continue; 2524 } 2525 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2526 SSL_set_verify(con, 2527 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2528 NULL); 2529 SSL_renegotiate(con); 2530 i = SSL_do_handshake(con); 2531 printf("SSL_do_handshake -> %d\n", i); 2532 i = 0; /* 13; */ 2533 continue; 2534 } 2535 if ((buf[0] == 'K' || buf[0] == 'k') 2536 && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2537 SSL_key_update(con, buf[0] == 'K' ? 2538 SSL_KEY_UPDATE_REQUESTED 2539 : SSL_KEY_UPDATE_NOT_REQUESTED); 2540 i = SSL_do_handshake(con); 2541 printf("SSL_do_handshake -> %d\n", i); 2542 i = 0; 2543 continue; 2544 } 2545 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2546 SSL_set_verify(con, SSL_VERIFY_PEER, NULL); 2547 i = SSL_verify_client_post_handshake(con); 2548 if (i == 0) { 2549 printf("Failed to initiate request\n"); 2550 ERR_print_errors(bio_err); 2551 } else { 2552 i = SSL_do_handshake(con); 2553 printf("SSL_do_handshake -> %d\n", i); 2554 i = 0; 2555 } 2556 continue; 2557 } 2558 if (buf[0] == 'P') { 2559 static const char *str = "Lets print some clear text\n"; 2560 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2561 } 2562 if (buf[0] == 'S') { 2563 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2564 } 2565 } 2566 #ifdef CHARSET_EBCDIC 2567 ebcdic2ascii(buf, buf, i); 2568 #endif 2569 l = k = 0; 2570 for (;;) { 2571 /* should do a select for the write */ 2572 #ifdef RENEG 2573 static count = 0; 2574 if (++count == 100) { 2575 count = 0; 2576 SSL_renegotiate(con); 2577 } 2578 #endif 2579 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2580 #ifndef OPENSSL_NO_SRP 2581 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2582 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2583 SRP_user_pwd_free(srp_callback_parm.user); 2584 srp_callback_parm.user = 2585 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2586 srp_callback_parm.login); 2587 if (srp_callback_parm.user) 2588 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2589 srp_callback_parm.user->info); 2590 else 2591 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2592 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2593 } 2594 #endif 2595 switch (SSL_get_error(con, k)) { 2596 case SSL_ERROR_NONE: 2597 break; 2598 case SSL_ERROR_WANT_ASYNC: 2599 BIO_printf(bio_s_out, "Write BLOCK (Async)\n"); 2600 (void)BIO_flush(bio_s_out); 2601 wait_for_async(con); 2602 break; 2603 case SSL_ERROR_WANT_WRITE: 2604 case SSL_ERROR_WANT_READ: 2605 case SSL_ERROR_WANT_X509_LOOKUP: 2606 BIO_printf(bio_s_out, "Write BLOCK\n"); 2607 (void)BIO_flush(bio_s_out); 2608 break; 2609 case SSL_ERROR_WANT_ASYNC_JOB: 2610 /* 2611 * This shouldn't ever happen in s_server. Treat as an error 2612 */ 2613 case SSL_ERROR_SYSCALL: 2614 case SSL_ERROR_SSL: 2615 BIO_printf(bio_s_out, "ERROR\n"); 2616 (void)BIO_flush(bio_s_out); 2617 ERR_print_errors(bio_err); 2618 ret = 1; 2619 goto err; 2620 /* break; */ 2621 case SSL_ERROR_ZERO_RETURN: 2622 BIO_printf(bio_s_out, "DONE\n"); 2623 (void)BIO_flush(bio_s_out); 2624 ret = 1; 2625 goto err; 2626 } 2627 if (k > 0) { 2628 l += k; 2629 i -= k; 2630 } 2631 if (i <= 0) 2632 break; 2633 } 2634 } 2635 if (read_from_sslcon) { 2636 /* 2637 * init_ssl_connection handles all async events itself so if we're 2638 * waiting for async then we shouldn't go back into 2639 * init_ssl_connection 2640 */ 2641 if ((!async || !SSL_waiting_for_async(con)) 2642 && !SSL_is_init_finished(con)) { 2643 i = init_ssl_connection(con); 2644 2645 if (i < 0) { 2646 ret = 0; 2647 goto err; 2648 } else if (i == 0) { 2649 ret = 1; 2650 goto err; 2651 } 2652 } else { 2653 again: 2654 i = SSL_read(con, (char *)buf, bufsize); 2655 #ifndef OPENSSL_NO_SRP 2656 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2657 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2658 SRP_user_pwd_free(srp_callback_parm.user); 2659 srp_callback_parm.user = 2660 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2661 srp_callback_parm.login); 2662 if (srp_callback_parm.user) 2663 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2664 srp_callback_parm.user->info); 2665 else 2666 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2667 i = SSL_read(con, (char *)buf, bufsize); 2668 } 2669 #endif 2670 switch (SSL_get_error(con, i)) { 2671 case SSL_ERROR_NONE: 2672 #ifdef CHARSET_EBCDIC 2673 ascii2ebcdic(buf, buf, i); 2674 #endif 2675 raw_write_stdout(buf, (unsigned int)i); 2676 (void)BIO_flush(bio_s_out); 2677 if (SSL_has_pending(con)) 2678 goto again; 2679 break; 2680 case SSL_ERROR_WANT_ASYNC: 2681 BIO_printf(bio_s_out, "Read BLOCK (Async)\n"); 2682 (void)BIO_flush(bio_s_out); 2683 wait_for_async(con); 2684 break; 2685 case SSL_ERROR_WANT_WRITE: 2686 case SSL_ERROR_WANT_READ: 2687 BIO_printf(bio_s_out, "Read BLOCK\n"); 2688 (void)BIO_flush(bio_s_out); 2689 break; 2690 case SSL_ERROR_WANT_ASYNC_JOB: 2691 /* 2692 * This shouldn't ever happen in s_server. Treat as an error 2693 */ 2694 case SSL_ERROR_SYSCALL: 2695 case SSL_ERROR_SSL: 2696 BIO_printf(bio_s_out, "ERROR\n"); 2697 (void)BIO_flush(bio_s_out); 2698 ERR_print_errors(bio_err); 2699 ret = 1; 2700 goto err; 2701 case SSL_ERROR_ZERO_RETURN: 2702 BIO_printf(bio_s_out, "DONE\n"); 2703 (void)BIO_flush(bio_s_out); 2704 ret = 1; 2705 goto err; 2706 } 2707 } 2708 } 2709 } 2710 err: 2711 if (con != NULL) { 2712 BIO_printf(bio_s_out, "shutting down SSL\n"); 2713 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2714 SSL_free(con); 2715 } 2716 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2717 OPENSSL_clear_free(buf, bufsize); 2718 return ret; 2719 } 2720 2721 static void close_accept_socket(void) 2722 { 2723 BIO_printf(bio_err, "shutdown accept socket\n"); 2724 if (accept_socket >= 0) { 2725 BIO_closesocket(accept_socket); 2726 } 2727 } 2728 2729 static int is_retryable(SSL *con, int i) 2730 { 2731 int err = SSL_get_error(con, i); 2732 2733 /* If it's not a fatal error, it must be retryable */ 2734 return (err != SSL_ERROR_SSL) 2735 && (err != SSL_ERROR_SYSCALL) 2736 && (err != SSL_ERROR_ZERO_RETURN); 2737 } 2738 2739 static int init_ssl_connection(SSL *con) 2740 { 2741 int i; 2742 long verify_err; 2743 int retry = 0; 2744 2745 if (dtlslisten || stateless) { 2746 BIO_ADDR *client = NULL; 2747 2748 if (dtlslisten) { 2749 if ((client = BIO_ADDR_new()) == NULL) { 2750 BIO_printf(bio_err, "ERROR - memory\n"); 2751 return 0; 2752 } 2753 i = DTLSv1_listen(con, client); 2754 } else { 2755 i = SSL_stateless(con); 2756 } 2757 if (i > 0) { 2758 BIO *wbio; 2759 int fd = -1; 2760 2761 if (dtlslisten) { 2762 wbio = SSL_get_wbio(con); 2763 if (wbio) { 2764 BIO_get_fd(wbio, &fd); 2765 } 2766 2767 if (!wbio || BIO_connect(fd, client, 0) == 0) { 2768 BIO_printf(bio_err, "ERROR - unable to connect\n"); 2769 BIO_ADDR_free(client); 2770 return 0; 2771 } 2772 2773 (void)BIO_ctrl_set_connected(wbio, client); 2774 BIO_ADDR_free(client); 2775 dtlslisten = 0; 2776 } else { 2777 stateless = 0; 2778 } 2779 i = SSL_accept(con); 2780 } else { 2781 BIO_ADDR_free(client); 2782 } 2783 } else { 2784 do { 2785 i = SSL_accept(con); 2786 2787 if (i <= 0) 2788 retry = is_retryable(con, i); 2789 #ifdef CERT_CB_TEST_RETRY 2790 { 2791 while (i <= 0 2792 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP 2793 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) { 2794 BIO_printf(bio_err, 2795 "LOOKUP from certificate callback during accept\n"); 2796 i = SSL_accept(con); 2797 if (i <= 0) 2798 retry = is_retryable(con, i); 2799 } 2800 } 2801 #endif 2802 2803 #ifndef OPENSSL_NO_SRP 2804 while (i <= 0 2805 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2806 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2807 srp_callback_parm.login); 2808 SRP_user_pwd_free(srp_callback_parm.user); 2809 srp_callback_parm.user = 2810 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2811 srp_callback_parm.login); 2812 if (srp_callback_parm.user) 2813 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2814 srp_callback_parm.user->info); 2815 else 2816 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2817 i = SSL_accept(con); 2818 if (i <= 0) 2819 retry = is_retryable(con, i); 2820 } 2821 #endif 2822 } while (i < 0 && SSL_waiting_for_async(con)); 2823 } 2824 2825 if (i <= 0) { 2826 if (((dtlslisten || stateless) && i == 0) 2827 || (!dtlslisten && !stateless && retry)) { 2828 BIO_printf(bio_s_out, "DELAY\n"); 2829 return 1; 2830 } 2831 2832 BIO_printf(bio_err, "ERROR\n"); 2833 2834 verify_err = SSL_get_verify_result(con); 2835 if (verify_err != X509_V_OK) { 2836 BIO_printf(bio_err, "verify error:%s\n", 2837 X509_verify_cert_error_string(verify_err)); 2838 } 2839 /* Always print any error messages */ 2840 ERR_print_errors(bio_err); 2841 return 0; 2842 } 2843 2844 print_connection_info(con); 2845 return 1; 2846 } 2847 2848 static void print_connection_info(SSL *con) 2849 { 2850 const char *str; 2851 X509 *peer; 2852 char buf[BUFSIZ]; 2853 #if !defined(OPENSSL_NO_NEXTPROTONEG) 2854 const unsigned char *next_proto_neg; 2855 unsigned next_proto_neg_len; 2856 #endif 2857 unsigned char *exportedkeymat; 2858 int i; 2859 2860 if (s_brief) 2861 print_ssl_summary(con); 2862 2863 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2864 2865 peer = SSL_get_peer_certificate(con); 2866 if (peer != NULL) { 2867 BIO_printf(bio_s_out, "Client certificate\n"); 2868 PEM_write_bio_X509(bio_s_out, peer); 2869 dump_cert_text(bio_s_out, peer); 2870 X509_free(peer); 2871 peer = NULL; 2872 } 2873 2874 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL) 2875 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2876 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2877 ssl_print_sigalgs(bio_s_out, con); 2878 #ifndef OPENSSL_NO_EC 2879 ssl_print_point_formats(bio_s_out, con); 2880 ssl_print_groups(bio_s_out, con, 0); 2881 #endif 2882 print_ca_names(bio_s_out, con); 2883 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2884 2885 #if !defined(OPENSSL_NO_NEXTPROTONEG) 2886 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2887 if (next_proto_neg) { 2888 BIO_printf(bio_s_out, "NEXTPROTO is "); 2889 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2890 BIO_printf(bio_s_out, "\n"); 2891 } 2892 #endif 2893 #ifndef OPENSSL_NO_SRTP 2894 { 2895 SRTP_PROTECTION_PROFILE *srtp_profile 2896 = SSL_get_selected_srtp_profile(con); 2897 2898 if (srtp_profile) 2899 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2900 srtp_profile->name); 2901 } 2902 #endif 2903 if (SSL_session_reused(con)) 2904 BIO_printf(bio_s_out, "Reused session-id\n"); 2905 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2906 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2907 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION)) 2908 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n"); 2909 2910 if (keymatexportlabel != NULL) { 2911 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2912 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2913 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2914 exportedkeymat = app_malloc(keymatexportlen, "export key"); 2915 if (!SSL_export_keying_material(con, exportedkeymat, 2916 keymatexportlen, 2917 keymatexportlabel, 2918 strlen(keymatexportlabel), 2919 NULL, 0, 0)) { 2920 BIO_printf(bio_s_out, " Error\n"); 2921 } else { 2922 BIO_printf(bio_s_out, " Keying material: "); 2923 for (i = 0; i < keymatexportlen; i++) 2924 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2925 BIO_printf(bio_s_out, "\n"); 2926 } 2927 OPENSSL_free(exportedkeymat); 2928 } 2929 2930 (void)BIO_flush(bio_s_out); 2931 } 2932 2933 #ifndef OPENSSL_NO_DH 2934 static DH *load_dh_param(const char *dhfile) 2935 { 2936 DH *ret = NULL; 2937 BIO *bio; 2938 2939 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2940 goto err; 2941 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2942 err: 2943 BIO_free(bio); 2944 return ret; 2945 } 2946 #endif 2947 2948 static int www_body(int s, int stype, int prot, unsigned char *context) 2949 { 2950 char *buf = NULL; 2951 int ret = 1; 2952 int i, j, k, dot; 2953 SSL *con; 2954 const SSL_CIPHER *c; 2955 BIO *io, *ssl_bio, *sbio; 2956 #ifdef RENEG 2957 int total_bytes = 0; 2958 #endif 2959 int width; 2960 fd_set readfds; 2961 2962 /* Set width for a select call if needed */ 2963 width = s + 1; 2964 2965 buf = app_malloc(bufsize, "server www buffer"); 2966 io = BIO_new(BIO_f_buffer()); 2967 ssl_bio = BIO_new(BIO_f_ssl()); 2968 if ((io == NULL) || (ssl_bio == NULL)) 2969 goto err; 2970 2971 if (s_nbio) { 2972 if (!BIO_socket_nbio(s, 1)) 2973 ERR_print_errors(bio_err); 2974 else if (!s_quiet) 2975 BIO_printf(bio_err, "Turned on non blocking io\n"); 2976 } 2977 2978 /* lets make the output buffer a reasonable size */ 2979 if (!BIO_set_write_buffer_size(io, bufsize)) 2980 goto err; 2981 2982 if ((con = SSL_new(ctx)) == NULL) 2983 goto err; 2984 2985 if (s_tlsextdebug) { 2986 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2987 SSL_set_tlsext_debug_arg(con, bio_s_out); 2988 } 2989 2990 if (context != NULL 2991 && !SSL_set_session_id_context(con, context, 2992 strlen((char *)context))) { 2993 SSL_free(con); 2994 goto err; 2995 } 2996 2997 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2998 if (s_nbio_test) { 2999 BIO *test; 3000 3001 test = BIO_new(BIO_f_nbio_test()); 3002 sbio = BIO_push(test, sbio); 3003 } 3004 SSL_set_bio(con, sbio, sbio); 3005 SSL_set_accept_state(con); 3006 3007 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */ 3008 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3009 BIO_push(io, ssl_bio); 3010 #ifdef CHARSET_EBCDIC 3011 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3012 #endif 3013 3014 if (s_debug) { 3015 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3016 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3017 } 3018 if (s_msg) { 3019 #ifndef OPENSSL_NO_SSL_TRACE 3020 if (s_msg == 2) 3021 SSL_set_msg_callback(con, SSL_trace); 3022 else 3023 #endif 3024 SSL_set_msg_callback(con, msg_cb); 3025 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3026 } 3027 3028 for (;;) { 3029 i = BIO_gets(io, buf, bufsize - 1); 3030 if (i < 0) { /* error */ 3031 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) { 3032 if (!s_quiet) 3033 ERR_print_errors(bio_err); 3034 goto err; 3035 } else { 3036 BIO_printf(bio_s_out, "read R BLOCK\n"); 3037 #ifndef OPENSSL_NO_SRP 3038 if (BIO_should_io_special(io) 3039 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3040 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 3041 SRP_user_pwd_free(srp_callback_parm.user); 3042 srp_callback_parm.user = 3043 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3044 srp_callback_parm.login); 3045 if (srp_callback_parm.user) 3046 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3047 srp_callback_parm.user->info); 3048 else 3049 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3050 continue; 3051 } 3052 #endif 3053 #if !defined(OPENSSL_SYS_MSDOS) 3054 sleep(1); 3055 #endif 3056 continue; 3057 } 3058 } else if (i == 0) { /* end of input */ 3059 ret = 1; 3060 goto end; 3061 } 3062 3063 /* else we have data */ 3064 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 3065 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 3066 char *p; 3067 X509 *peer = NULL; 3068 STACK_OF(SSL_CIPHER) *sk; 3069 static const char *space = " "; 3070 3071 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) { 3072 if (strncmp("GET /renegcert", buf, 14) == 0) 3073 SSL_set_verify(con, 3074 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 3075 NULL); 3076 i = SSL_renegotiate(con); 3077 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i); 3078 /* Send the HelloRequest */ 3079 i = SSL_do_handshake(con); 3080 if (i <= 0) { 3081 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", 3082 SSL_get_error(con, i)); 3083 ERR_print_errors(bio_err); 3084 goto err; 3085 } 3086 /* Wait for a ClientHello to come back */ 3087 FD_ZERO(&readfds); 3088 openssl_fdset(s, &readfds); 3089 i = select(width, (void *)&readfds, NULL, NULL, NULL); 3090 if (i <= 0 || !FD_ISSET(s, &readfds)) { 3091 BIO_printf(bio_s_out, 3092 "Error waiting for client response\n"); 3093 ERR_print_errors(bio_err); 3094 goto err; 3095 } 3096 /* 3097 * We're not actually expecting any data here and we ignore 3098 * any that is sent. This is just to force the handshake that 3099 * we're expecting to come from the client. If they haven't 3100 * sent one there's not much we can do. 3101 */ 3102 BIO_gets(io, buf, bufsize - 1); 3103 } 3104 3105 BIO_puts(io, 3106 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 3107 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 3108 BIO_puts(io, "<pre>\n"); 3109 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */ 3110 BIO_puts(io, "\n"); 3111 for (i = 0; i < local_argc; i++) { 3112 const char *myp; 3113 for (myp = local_argv[i]; *myp; myp++) 3114 switch (*myp) { 3115 case '<': 3116 BIO_puts(io, "<"); 3117 break; 3118 case '>': 3119 BIO_puts(io, ">"); 3120 break; 3121 case '&': 3122 BIO_puts(io, "&"); 3123 break; 3124 default: 3125 BIO_write(io, myp, 1); 3126 break; 3127 } 3128 BIO_write(io, " ", 1); 3129 } 3130 BIO_puts(io, "\n"); 3131 3132 BIO_printf(io, 3133 "Secure Renegotiation IS%s supported\n", 3134 SSL_get_secure_renegotiation_support(con) ? 3135 "" : " NOT"); 3136 3137 /* 3138 * The following is evil and should not really be done 3139 */ 3140 BIO_printf(io, "Ciphers supported in s_server binary\n"); 3141 sk = SSL_get_ciphers(con); 3142 j = sk_SSL_CIPHER_num(sk); 3143 for (i = 0; i < j; i++) { 3144 c = sk_SSL_CIPHER_value(sk, i); 3145 BIO_printf(io, "%-11s:%-25s ", 3146 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 3147 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 3148 BIO_puts(io, "\n"); 3149 } 3150 BIO_puts(io, "\n"); 3151 p = SSL_get_shared_ciphers(con, buf, bufsize); 3152 if (p != NULL) { 3153 BIO_printf(io, 3154 "---\nCiphers common between both SSL end points:\n"); 3155 j = i = 0; 3156 while (*p) { 3157 if (*p == ':') { 3158 BIO_write(io, space, 26 - j); 3159 i++; 3160 j = 0; 3161 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 3162 } else { 3163 BIO_write(io, p, 1); 3164 j++; 3165 } 3166 p++; 3167 } 3168 BIO_puts(io, "\n"); 3169 } 3170 ssl_print_sigalgs(io, con); 3171 #ifndef OPENSSL_NO_EC 3172 ssl_print_groups(io, con, 0); 3173 #endif 3174 print_ca_names(io, con); 3175 BIO_printf(io, (SSL_session_reused(con) 3176 ? "---\nReused, " : "---\nNew, ")); 3177 c = SSL_get_current_cipher(con); 3178 BIO_printf(io, "%s, Cipher is %s\n", 3179 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 3180 SSL_SESSION_print(io, SSL_get_session(con)); 3181 BIO_printf(io, "---\n"); 3182 print_stats(io, SSL_get_SSL_CTX(con)); 3183 BIO_printf(io, "---\n"); 3184 peer = SSL_get_peer_certificate(con); 3185 if (peer != NULL) { 3186 BIO_printf(io, "Client certificate\n"); 3187 X509_print(io, peer); 3188 PEM_write_bio_X509(io, peer); 3189 X509_free(peer); 3190 peer = NULL; 3191 } else { 3192 BIO_puts(io, "no client certificate available\n"); 3193 } 3194 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n"); 3195 break; 3196 } else if ((www == 2 || www == 3) 3197 && (strncmp("GET /", buf, 5) == 0)) { 3198 BIO *file; 3199 char *p, *e; 3200 static const char *text = 3201 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 3202 3203 /* skip the '/' */ 3204 p = &(buf[5]); 3205 3206 dot = 1; 3207 for (e = p; *e != '\0'; e++) { 3208 if (e[0] == ' ') 3209 break; 3210 3211 switch (dot) { 3212 case 1: 3213 dot = (e[0] == '.') ? 2 : 0; 3214 break; 3215 case 2: 3216 dot = (e[0] == '.') ? 3 : 0; 3217 break; 3218 case 3: 3219 dot = (e[0] == '/') ? -1 : 0; 3220 break; 3221 } 3222 if (dot == 0) 3223 dot = (e[0] == '/') ? 1 : 0; 3224 } 3225 dot = (dot == 3) || (dot == -1); /* filename contains ".." 3226 * component */ 3227 3228 if (*e == '\0') { 3229 BIO_puts(io, text); 3230 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 3231 break; 3232 } 3233 *e = '\0'; 3234 3235 if (dot) { 3236 BIO_puts(io, text); 3237 BIO_printf(io, "'%s' contains '..' reference\r\n", p); 3238 break; 3239 } 3240 3241 if (*p == '/') { 3242 BIO_puts(io, text); 3243 BIO_printf(io, "'%s' is an invalid path\r\n", p); 3244 break; 3245 } 3246 3247 /* if a directory, do the index thang */ 3248 if (app_isdir(p) > 0) { 3249 BIO_puts(io, text); 3250 BIO_printf(io, "'%s' is a directory\r\n", p); 3251 break; 3252 } 3253 3254 if ((file = BIO_new_file(p, "r")) == NULL) { 3255 BIO_puts(io, text); 3256 BIO_printf(io, "Error opening '%s'\r\n", p); 3257 ERR_print_errors(io); 3258 break; 3259 } 3260 3261 if (!s_quiet) 3262 BIO_printf(bio_err, "FILE:%s\n", p); 3263 3264 if (www == 2) { 3265 i = strlen(p); 3266 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 3267 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 3268 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 3269 BIO_puts(io, 3270 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 3271 else 3272 BIO_puts(io, 3273 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 3274 } 3275 /* send the file */ 3276 for (;;) { 3277 i = BIO_read(file, buf, bufsize); 3278 if (i <= 0) 3279 break; 3280 3281 #ifdef RENEG 3282 total_bytes += i; 3283 BIO_printf(bio_err, "%d\n", i); 3284 if (total_bytes > 3 * 1024) { 3285 total_bytes = 0; 3286 BIO_printf(bio_err, "RENEGOTIATE\n"); 3287 SSL_renegotiate(con); 3288 } 3289 #endif 3290 3291 for (j = 0; j < i;) { 3292 #ifdef RENEG 3293 static count = 0; 3294 if (++count == 13) { 3295 SSL_renegotiate(con); 3296 } 3297 #endif 3298 k = BIO_write(io, &(buf[j]), i - j); 3299 if (k <= 0) { 3300 if (!BIO_should_retry(io) 3301 && !SSL_waiting_for_async(con)) 3302 goto write_error; 3303 else { 3304 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 3305 } 3306 } else { 3307 j += k; 3308 } 3309 } 3310 } 3311 write_error: 3312 BIO_free(file); 3313 break; 3314 } 3315 } 3316 3317 for (;;) { 3318 i = (int)BIO_flush(io); 3319 if (i <= 0) { 3320 if (!BIO_should_retry(io)) 3321 break; 3322 } else 3323 break; 3324 } 3325 end: 3326 /* make sure we re-use sessions */ 3327 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3328 3329 err: 3330 OPENSSL_free(buf); 3331 BIO_free_all(io); 3332 return ret; 3333 } 3334 3335 static int rev_body(int s, int stype, int prot, unsigned char *context) 3336 { 3337 char *buf = NULL; 3338 int i; 3339 int ret = 1; 3340 SSL *con; 3341 BIO *io, *ssl_bio, *sbio; 3342 3343 buf = app_malloc(bufsize, "server rev buffer"); 3344 io = BIO_new(BIO_f_buffer()); 3345 ssl_bio = BIO_new(BIO_f_ssl()); 3346 if ((io == NULL) || (ssl_bio == NULL)) 3347 goto err; 3348 3349 /* lets make the output buffer a reasonable size */ 3350 if (!BIO_set_write_buffer_size(io, bufsize)) 3351 goto err; 3352 3353 if ((con = SSL_new(ctx)) == NULL) 3354 goto err; 3355 3356 if (s_tlsextdebug) { 3357 SSL_set_tlsext_debug_callback(con, tlsext_cb); 3358 SSL_set_tlsext_debug_arg(con, bio_s_out); 3359 } 3360 if (context != NULL 3361 && !SSL_set_session_id_context(con, context, 3362 strlen((char *)context))) { 3363 SSL_free(con); 3364 ERR_print_errors(bio_err); 3365 goto err; 3366 } 3367 3368 sbio = BIO_new_socket(s, BIO_NOCLOSE); 3369 SSL_set_bio(con, sbio, sbio); 3370 SSL_set_accept_state(con); 3371 3372 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */ 3373 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3374 BIO_push(io, ssl_bio); 3375 #ifdef CHARSET_EBCDIC 3376 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3377 #endif 3378 3379 if (s_debug) { 3380 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3381 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3382 } 3383 if (s_msg) { 3384 #ifndef OPENSSL_NO_SSL_TRACE 3385 if (s_msg == 2) 3386 SSL_set_msg_callback(con, SSL_trace); 3387 else 3388 #endif 3389 SSL_set_msg_callback(con, msg_cb); 3390 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3391 } 3392 3393 for (;;) { 3394 i = BIO_do_handshake(io); 3395 if (i > 0) 3396 break; 3397 if (!BIO_should_retry(io)) { 3398 BIO_puts(bio_err, "CONNECTION FAILURE\n"); 3399 ERR_print_errors(bio_err); 3400 goto end; 3401 } 3402 #ifndef OPENSSL_NO_SRP 3403 if (BIO_should_io_special(io) 3404 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3405 BIO_printf(bio_s_out, "LOOKUP renego during accept\n"); 3406 SRP_user_pwd_free(srp_callback_parm.user); 3407 srp_callback_parm.user = 3408 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3409 srp_callback_parm.login); 3410 if (srp_callback_parm.user) 3411 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3412 srp_callback_parm.user->info); 3413 else 3414 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3415 continue; 3416 } 3417 #endif 3418 } 3419 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n"); 3420 print_ssl_summary(con); 3421 3422 for (;;) { 3423 i = BIO_gets(io, buf, bufsize - 1); 3424 if (i < 0) { /* error */ 3425 if (!BIO_should_retry(io)) { 3426 if (!s_quiet) 3427 ERR_print_errors(bio_err); 3428 goto err; 3429 } else { 3430 BIO_printf(bio_s_out, "read R BLOCK\n"); 3431 #ifndef OPENSSL_NO_SRP 3432 if (BIO_should_io_special(io) 3433 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3434 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 3435 SRP_user_pwd_free(srp_callback_parm.user); 3436 srp_callback_parm.user = 3437 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3438 srp_callback_parm.login); 3439 if (srp_callback_parm.user) 3440 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3441 srp_callback_parm.user->info); 3442 else 3443 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3444 continue; 3445 } 3446 #endif 3447 #if !defined(OPENSSL_SYS_MSDOS) 3448 sleep(1); 3449 #endif 3450 continue; 3451 } 3452 } else if (i == 0) { /* end of input */ 3453 ret = 1; 3454 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3455 goto end; 3456 } else { 3457 char *p = buf + i - 1; 3458 while (i && (*p == '\n' || *p == '\r')) { 3459 p--; 3460 i--; 3461 } 3462 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) { 3463 ret = 1; 3464 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3465 goto end; 3466 } 3467 BUF_reverse((unsigned char *)buf, NULL, i); 3468 buf[i] = '\n'; 3469 BIO_write(io, buf, i + 1); 3470 for (;;) { 3471 i = BIO_flush(io); 3472 if (i > 0) 3473 break; 3474 if (!BIO_should_retry(io)) 3475 goto end; 3476 } 3477 } 3478 } 3479 end: 3480 /* make sure we re-use sessions */ 3481 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3482 3483 err: 3484 3485 OPENSSL_free(buf); 3486 BIO_free_all(io); 3487 return ret; 3488 } 3489 3490 #define MAX_SESSION_ID_ATTEMPTS 10 3491 static int generate_session_id(SSL *ssl, unsigned char *id, 3492 unsigned int *id_len) 3493 { 3494 unsigned int count = 0; 3495 do { 3496 if (RAND_bytes(id, *id_len) <= 0) 3497 return 0; 3498 /* 3499 * Prefix the session_id with the required prefix. NB: If our prefix 3500 * is too long, clip it - but there will be worse effects anyway, eg. 3501 * the server could only possibly create 1 session ID (ie. the 3502 * prefix!) so all future session negotiations will fail due to 3503 * conflicts. 3504 */ 3505 memcpy(id, session_id_prefix, 3506 (strlen(session_id_prefix) < *id_len) ? 3507 strlen(session_id_prefix) : *id_len); 3508 } 3509 while (SSL_has_matching_session_id(ssl, id, *id_len) && 3510 (++count < MAX_SESSION_ID_ATTEMPTS)); 3511 if (count >= MAX_SESSION_ID_ATTEMPTS) 3512 return 0; 3513 return 1; 3514 } 3515 3516 /* 3517 * By default s_server uses an in-memory cache which caches SSL_SESSION 3518 * structures without any serialisation. This hides some bugs which only 3519 * become apparent in deployed servers. By implementing a basic external 3520 * session cache some issues can be debugged using s_server. 3521 */ 3522 3523 typedef struct simple_ssl_session_st { 3524 unsigned char *id; 3525 unsigned int idlen; 3526 unsigned char *der; 3527 int derlen; 3528 struct simple_ssl_session_st *next; 3529 } simple_ssl_session; 3530 3531 static simple_ssl_session *first = NULL; 3532 3533 static int add_session(SSL *ssl, SSL_SESSION *session) 3534 { 3535 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session"); 3536 unsigned char *p; 3537 3538 SSL_SESSION_get_id(session, &sess->idlen); 3539 sess->derlen = i2d_SSL_SESSION(session, NULL); 3540 if (sess->derlen < 0) { 3541 BIO_printf(bio_err, "Error encoding session\n"); 3542 OPENSSL_free(sess); 3543 return 0; 3544 } 3545 3546 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); 3547 sess->der = app_malloc(sess->derlen, "get session buffer"); 3548 if (!sess->id) { 3549 BIO_printf(bio_err, "Out of memory adding to external cache\n"); 3550 OPENSSL_free(sess->id); 3551 OPENSSL_free(sess->der); 3552 OPENSSL_free(sess); 3553 return 0; 3554 } 3555 p = sess->der; 3556 3557 /* Assume it still works. */ 3558 if (i2d_SSL_SESSION(session, &p) != sess->derlen) { 3559 BIO_printf(bio_err, "Unexpected session encoding length\n"); 3560 OPENSSL_free(sess->id); 3561 OPENSSL_free(sess->der); 3562 OPENSSL_free(sess); 3563 return 0; 3564 } 3565 3566 sess->next = first; 3567 first = sess; 3568 BIO_printf(bio_err, "New session added to external cache\n"); 3569 return 0; 3570 } 3571 3572 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen, 3573 int *do_copy) 3574 { 3575 simple_ssl_session *sess; 3576 *do_copy = 0; 3577 for (sess = first; sess; sess = sess->next) { 3578 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) { 3579 const unsigned char *p = sess->der; 3580 BIO_printf(bio_err, "Lookup session: cache hit\n"); 3581 return d2i_SSL_SESSION(NULL, &p, sess->derlen); 3582 } 3583 } 3584 BIO_printf(bio_err, "Lookup session: cache miss\n"); 3585 return NULL; 3586 } 3587 3588 static void del_session(SSL_CTX *sctx, SSL_SESSION *session) 3589 { 3590 simple_ssl_session *sess, *prev = NULL; 3591 const unsigned char *id; 3592 unsigned int idlen; 3593 id = SSL_SESSION_get_id(session, &idlen); 3594 for (sess = first; sess; sess = sess->next) { 3595 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) { 3596 if (prev) 3597 prev->next = sess->next; 3598 else 3599 first = sess->next; 3600 OPENSSL_free(sess->id); 3601 OPENSSL_free(sess->der); 3602 OPENSSL_free(sess); 3603 return; 3604 } 3605 prev = sess; 3606 } 3607 } 3608 3609 static void init_session_cache_ctx(SSL_CTX *sctx) 3610 { 3611 SSL_CTX_set_session_cache_mode(sctx, 3612 SSL_SESS_CACHE_NO_INTERNAL | 3613 SSL_SESS_CACHE_SERVER); 3614 SSL_CTX_sess_set_new_cb(sctx, add_session); 3615 SSL_CTX_sess_set_get_cb(sctx, get_session); 3616 SSL_CTX_sess_set_remove_cb(sctx, del_session); 3617 } 3618 3619 static void free_sessions(void) 3620 { 3621 simple_ssl_session *sess, *tsess; 3622 for (sess = first; sess;) { 3623 OPENSSL_free(sess->id); 3624 OPENSSL_free(sess->der); 3625 tsess = sess; 3626 sess = sess->next; 3627 OPENSSL_free(tsess); 3628 } 3629 first = NULL; 3630 } 3631 3632 #endif /* OPENSSL_NO_SOCK */ 3633