1/* 2 * Copyright 1995-2022 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 35typedef 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 63static int not_resumable_sess_cb(SSL *s, int is_forward_secure); 64static int sv_body(int s, int stype, int prot, unsigned char *context); 65static int www_body(int s, int stype, int prot, unsigned char *context); 66static int rev_body(int s, int stype, int prot, unsigned char *context); 67static void close_accept_socket(void); 68static int init_ssl_connection(SSL *s); 69static void print_stats(BIO *bp, SSL_CTX *ctx); 70static int generate_session_id(SSL *ssl, unsigned char *id, 71 unsigned int *id_len); 72static void init_session_cache_ctx(SSL_CTX *sctx); 73static void free_sessions(void); 74#ifndef OPENSSL_NO_DH 75static DH *load_dh_param(const char *dhfile); 76#endif 77static void print_connection_info(SSL *con); 78 79static const int bufsize = 16 * 1024; 80static int accept_socket = -1; 81 82#define TEST_CERT "server.pem" 83#define TEST_CERT2 "server2.pem" 84 85static int s_nbio = 0; 86static int s_nbio_test = 0; 87static int s_crlf = 0; 88static SSL_CTX *ctx = NULL; 89static SSL_CTX *ctx2 = NULL; 90static int www = 0; 91 92static BIO *bio_s_out = NULL; 93static BIO *bio_s_msg = NULL; 94static int s_debug = 0; 95static int s_tlsextdebug = 0; 96static int s_msg = 0; 97static int s_quiet = 0; 98static int s_ign_eof = 0; 99static int s_brief = 0; 100 101static char *keymatexportlabel = NULL; 102static int keymatexportlen = 20; 103 104static int async = 0; 105 106static const char *session_id_prefix = NULL; 107 108#ifndef OPENSSL_NO_DTLS 109static int enable_timeouts = 0; 110static 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 */ 117static int dtlslisten = 0; 118static int stateless = 0; 119 120static int early_data = 0; 121static SSL_SESSION *psksess = NULL; 122 123static char *psk_identity = "Client_identity"; 124char *psk_key = NULL; /* by default PSK is not used */ 125 126#ifndef OPENSSL_NO_PSK 127static 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"); 136 137 if (!SSL_is_dtls(ssl) && SSL_version(ssl) >= TLS1_3_VERSION) { 138 /* 139 * This callback is designed for use in (D)TLSv1.2 (or below). It is 140 * possible to use a single callback for all protocol versions - but it 141 * is preferred to use a dedicated callback for TLSv1.3. For TLSv1.3 we 142 * have psk_find_session_cb. 143 */ 144 return 0; 145 } 146 147 if (identity == NULL) { 148 BIO_printf(bio_err, "Error: client did not send PSK identity\n"); 149 goto out_err; 150 } 151 if (s_debug) 152 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n", 153 (int)strlen(identity), identity); 154 155 /* here we could lookup the given identity e.g. from a database */ 156 if (strcmp(identity, psk_identity) != 0) { 157 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected" 158 " (got '%s' expected '%s')\n", identity, psk_identity); 159 } else { 160 if (s_debug) 161 BIO_printf(bio_s_out, "PSK client identity found\n"); 162 } 163 164 /* convert the PSK key to binary */ 165 key = OPENSSL_hexstr2buf(psk_key, &key_len); 166 if (key == NULL) { 167 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", 168 psk_key); 169 return 0; 170 } 171 if (key_len > (int)max_psk_len) { 172 BIO_printf(bio_err, 173 "psk buffer of callback is too small (%d) for key (%ld)\n", 174 max_psk_len, key_len); 175 OPENSSL_free(key); 176 return 0; 177 } 178 179 memcpy(psk, key, key_len); 180 OPENSSL_free(key); 181 182 if (s_debug) 183 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len); 184 return key_len; 185 out_err: 186 if (s_debug) 187 BIO_printf(bio_err, "Error in PSK server callback\n"); 188 (void)BIO_flush(bio_err); 189 (void)BIO_flush(bio_s_out); 190 return 0; 191} 192#endif 193 194static int psk_find_session_cb(SSL *ssl, const unsigned char *identity, 195 size_t identity_len, SSL_SESSION **sess) 196{ 197 SSL_SESSION *tmpsess = NULL; 198 unsigned char *key; 199 long key_len; 200 const SSL_CIPHER *cipher = NULL; 201 202 if (strlen(psk_identity) != identity_len 203 || memcmp(psk_identity, identity, identity_len) != 0) { 204 *sess = NULL; 205 return 1; 206 } 207 208 if (psksess != NULL) { 209 SSL_SESSION_up_ref(psksess); 210 *sess = psksess; 211 return 1; 212 } 213 214 key = OPENSSL_hexstr2buf(psk_key, &key_len); 215 if (key == NULL) { 216 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", 217 psk_key); 218 return 0; 219 } 220 221 /* We default to SHA256 */ 222 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id); 223 if (cipher == NULL) { 224 BIO_printf(bio_err, "Error finding suitable ciphersuite\n"); 225 OPENSSL_free(key); 226 return 0; 227 } 228 229 tmpsess = SSL_SESSION_new(); 230 if (tmpsess == NULL 231 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len) 232 || !SSL_SESSION_set_cipher(tmpsess, cipher) 233 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) { 234 OPENSSL_free(key); 235 return 0; 236 } 237 OPENSSL_free(key); 238 *sess = tmpsess; 239 240 return 1; 241} 242 243#ifndef OPENSSL_NO_SRP 244/* This is a context that we pass to callbacks */ 245typedef struct srpsrvparm_st { 246 char *login; 247 SRP_VBASE *vb; 248 SRP_user_pwd *user; 249} srpsrvparm; 250static srpsrvparm srp_callback_parm; 251 252/* 253 * This callback pretends to require some asynchronous logic in order to 254 * obtain a verifier. When the callback is called for a new connection we 255 * return with a negative value. This will provoke the accept etc to return 256 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call 257 * (which would normally occur after a worker has finished) and we set the 258 * user parameters. 259 */ 260static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 261{ 262 srpsrvparm *p = (srpsrvparm *) arg; 263 int ret = SSL3_AL_FATAL; 264 265 if (p->login == NULL && p->user == NULL) { 266 p->login = SSL_get_srp_username(s); 267 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 268 return -1; 269 } 270 271 if (p->user == NULL) { 272 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 273 goto err; 274 } 275 276 if (SSL_set_srp_server_param 277 (s, p->user->N, p->user->g, p->user->s, p->user->v, 278 p->user->info) < 0) { 279 *ad = SSL_AD_INTERNAL_ERROR; 280 goto err; 281 } 282 BIO_printf(bio_err, 283 "SRP parameters set: username = \"%s\" info=\"%s\" \n", 284 p->login, p->user->info); 285 ret = SSL_ERROR_NONE; 286 287 err: 288 SRP_user_pwd_free(p->user); 289 p->user = NULL; 290 p->login = NULL; 291 return ret; 292} 293 294#endif 295 296static int local_argc = 0; 297static char **local_argv; 298 299#ifdef CHARSET_EBCDIC 300static int ebcdic_new(BIO *bi); 301static int ebcdic_free(BIO *a); 302static int ebcdic_read(BIO *b, char *out, int outl); 303static int ebcdic_write(BIO *b, const char *in, int inl); 304static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 305static int ebcdic_gets(BIO *bp, char *buf, int size); 306static int ebcdic_puts(BIO *bp, const char *str); 307 308# define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 309static BIO_METHOD *methods_ebcdic = NULL; 310 311/* This struct is "unwarranted chumminess with the compiler." */ 312typedef struct { 313 size_t alloced; 314 char buff[1]; 315} EBCDIC_OUTBUFF; 316 317static const BIO_METHOD *BIO_f_ebcdic_filter() 318{ 319 if (methods_ebcdic == NULL) { 320 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER, 321 "EBCDIC/ASCII filter"); 322 if (methods_ebcdic == NULL 323 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write) 324 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read) 325 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts) 326 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets) 327 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl) 328 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new) 329 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free)) 330 return NULL; 331 } 332 return methods_ebcdic; 333} 334 335static int ebcdic_new(BIO *bi) 336{ 337 EBCDIC_OUTBUFF *wbuf; 338 339 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf"); 340 wbuf->alloced = 1024; 341 wbuf->buff[0] = '\0'; 342 343 BIO_set_data(bi, wbuf); 344 BIO_set_init(bi, 1); 345 return 1; 346} 347 348static int ebcdic_free(BIO *a) 349{ 350 EBCDIC_OUTBUFF *wbuf; 351 352 if (a == NULL) 353 return 0; 354 wbuf = BIO_get_data(a); 355 OPENSSL_free(wbuf); 356 BIO_set_data(a, NULL); 357 BIO_set_init(a, 0); 358 359 return 1; 360} 361 362static int ebcdic_read(BIO *b, char *out, int outl) 363{ 364 int ret = 0; 365 BIO *next = BIO_next(b); 366 367 if (out == NULL || outl == 0) 368 return 0; 369 if (next == NULL) 370 return 0; 371 372 ret = BIO_read(next, out, outl); 373 if (ret > 0) 374 ascii2ebcdic(out, out, ret); 375 return ret; 376} 377 378static int ebcdic_write(BIO *b, const char *in, int inl) 379{ 380 EBCDIC_OUTBUFF *wbuf; 381 BIO *next = BIO_next(b); 382 int ret = 0; 383 int num; 384 385 if ((in == NULL) || (inl <= 0)) 386 return 0; 387 if (next == NULL) 388 return 0; 389 390 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b); 391 392 if (inl > (num = wbuf->alloced)) { 393 num = num + num; /* double the size */ 394 if (num < inl) 395 num = inl; 396 OPENSSL_free(wbuf); 397 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf"); 398 399 wbuf->alloced = num; 400 wbuf->buff[0] = '\0'; 401 402 BIO_set_data(b, wbuf); 403 } 404 405 ebcdic2ascii(wbuf->buff, in, inl); 406 407 ret = BIO_write(next, wbuf->buff, inl); 408 409 return ret; 410} 411 412static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 413{ 414 long ret; 415 BIO *next = BIO_next(b); 416 417 if (next == NULL) 418 return 0; 419 switch (cmd) { 420 case BIO_CTRL_DUP: 421 ret = 0L; 422 break; 423 default: 424 ret = BIO_ctrl(next, cmd, num, ptr); 425 break; 426 } 427 return ret; 428} 429 430static int ebcdic_gets(BIO *bp, char *buf, int size) 431{ 432 int i, ret = 0; 433 BIO *next = BIO_next(bp); 434 435 if (next == NULL) 436 return 0; 437/* return(BIO_gets(bp->next_bio,buf,size));*/ 438 for (i = 0; i < size - 1; ++i) { 439 ret = ebcdic_read(bp, &buf[i], 1); 440 if (ret <= 0) 441 break; 442 else if (buf[i] == '\n') { 443 ++i; 444 break; 445 } 446 } 447 if (i < size) 448 buf[i] = '\0'; 449 return (ret < 0 && i == 0) ? ret : i; 450} 451 452static int ebcdic_puts(BIO *bp, const char *str) 453{ 454 if (BIO_next(bp) == NULL) 455 return 0; 456 return ebcdic_write(bp, str, strlen(str)); 457} 458#endif 459 460/* This is a context that we pass to callbacks */ 461typedef struct tlsextctx_st { 462 char *servername; 463 BIO *biodebug; 464 int extension_error; 465} tlsextctx; 466 467static int ssl_servername_cb(SSL *s, int *ad, void *arg) 468{ 469 tlsextctx *p = (tlsextctx *) arg; 470 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 471 472 if (servername != NULL && p->biodebug != NULL) { 473 const char *cp = servername; 474 unsigned char uc; 475 476 BIO_printf(p->biodebug, "Hostname in TLS extension: \""); 477 while ((uc = *cp++) != 0) 478 BIO_printf(p->biodebug, 479 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc); 480 BIO_printf(p->biodebug, "\"\n"); 481 } 482 483 if (p->servername == NULL) 484 return SSL_TLSEXT_ERR_NOACK; 485 486 if (servername != NULL) { 487 if (strcasecmp(servername, p->servername)) 488 return p->extension_error; 489 if (ctx2 != NULL) { 490 BIO_printf(p->biodebug, "Switching server context.\n"); 491 SSL_set_SSL_CTX(s, ctx2); 492 } 493 } 494 return SSL_TLSEXT_ERR_OK; 495} 496 497/* Structure passed to cert status callback */ 498typedef struct tlsextstatusctx_st { 499 int timeout; 500 /* File to load OCSP Response from (or NULL if no file) */ 501 char *respin; 502 /* Default responder to use */ 503 char *host, *path, *port; 504 int use_ssl; 505 int verbose; 506} tlsextstatusctx; 507 508static tlsextstatusctx tlscstatp = { -1 }; 509 510#ifndef OPENSSL_NO_OCSP 511 512/* 513 * Helper function to get an OCSP_RESPONSE from a responder. This is a 514 * simplified version. It examines certificates each time and makes one OCSP 515 * responder query for each request. A full version would store details such as 516 * the OCSP certificate IDs and minimise the number of OCSP responses by caching 517 * them until they were considered "expired". 518 */ 519static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx, 520 OCSP_RESPONSE **resp) 521{ 522 char *host = NULL, *port = NULL, *path = NULL; 523 int use_ssl; 524 STACK_OF(OPENSSL_STRING) *aia = NULL; 525 X509 *x = NULL; 526 X509_STORE_CTX *inctx = NULL; 527 X509_OBJECT *obj; 528 OCSP_REQUEST *req = NULL; 529 OCSP_CERTID *id = NULL; 530 STACK_OF(X509_EXTENSION) *exts; 531 int ret = SSL_TLSEXT_ERR_NOACK; 532 int i; 533 534 /* Build up OCSP query from server certificate */ 535 x = SSL_get_certificate(s); 536 aia = X509_get1_ocsp(x); 537 if (aia != NULL) { 538 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 539 &host, &port, &path, &use_ssl)) { 540 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n"); 541 goto err; 542 } 543 if (srctx->verbose) 544 BIO_printf(bio_err, "cert_status: AIA URL: %s\n", 545 sk_OPENSSL_STRING_value(aia, 0)); 546 } else { 547 if (srctx->host == NULL) { 548 BIO_puts(bio_err, 549 "cert_status: no AIA and no default responder URL\n"); 550 goto done; 551 } 552 host = srctx->host; 553 path = srctx->path; 554 port = srctx->port; 555 use_ssl = srctx->use_ssl; 556 } 557 558 inctx = X509_STORE_CTX_new(); 559 if (inctx == NULL) 560 goto err; 561 if (!X509_STORE_CTX_init(inctx, 562 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 563 NULL, NULL)) 564 goto err; 565 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509, 566 X509_get_issuer_name(x)); 567 if (obj == NULL) { 568 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n"); 569 goto done; 570 } 571 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj)); 572 X509_OBJECT_free(obj); 573 if (id == NULL) 574 goto err; 575 req = OCSP_REQUEST_new(); 576 if (req == NULL) 577 goto err; 578 if (!OCSP_request_add0_id(req, id)) 579 goto err; 580 id = NULL; 581 /* Add any extensions to the request */ 582 SSL_get_tlsext_status_exts(s, &exts); 583 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 584 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 585 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 586 goto err; 587 } 588 *resp = process_responder(req, host, path, port, use_ssl, NULL, 589 srctx->timeout); 590 if (*resp == NULL) { 591 BIO_puts(bio_err, "cert_status: error querying responder\n"); 592 goto done; 593 } 594 595 ret = SSL_TLSEXT_ERR_OK; 596 goto done; 597 598 err: 599 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 600 done: 601 /* 602 * If we parsed aia we need to free; otherwise they were copied and we 603 * don't 604 */ 605 if (aia != NULL) { 606 OPENSSL_free(host); 607 OPENSSL_free(path); 608 OPENSSL_free(port); 609 X509_email_free(aia); 610 } 611 OCSP_CERTID_free(id); 612 OCSP_REQUEST_free(req); 613 X509_STORE_CTX_free(inctx); 614 return ret; 615} 616 617/* 618 * Certificate Status callback. This is called when a client includes a 619 * certificate status request extension. The response is either obtained from a 620 * file, or from an OCSP responder. 621 */ 622static int cert_status_cb(SSL *s, void *arg) 623{ 624 tlsextstatusctx *srctx = arg; 625 OCSP_RESPONSE *resp = NULL; 626 unsigned char *rspder = NULL; 627 int rspderlen; 628 int ret = SSL_TLSEXT_ERR_ALERT_FATAL; 629 630 if (srctx->verbose) 631 BIO_puts(bio_err, "cert_status: callback called\n"); 632 633 if (srctx->respin != NULL) { 634 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1); 635 if (derbio == NULL) { 636 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n"); 637 goto err; 638 } 639 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); 640 BIO_free(derbio); 641 if (resp == NULL) { 642 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n"); 643 goto err; 644 } 645 } else { 646 ret = get_ocsp_resp_from_responder(s, srctx, &resp); 647 if (ret != SSL_TLSEXT_ERR_OK) 648 goto err; 649 } 650 651 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 652 if (rspderlen <= 0) 653 goto err; 654 655 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 656 if (srctx->verbose) { 657 BIO_puts(bio_err, "cert_status: ocsp response sent:\n"); 658 OCSP_RESPONSE_print(bio_err, resp, 2); 659 } 660 661 ret = SSL_TLSEXT_ERR_OK; 662 663 err: 664 if (ret != SSL_TLSEXT_ERR_OK) 665 ERR_print_errors(bio_err); 666 667 OCSP_RESPONSE_free(resp); 668 669 return ret; 670} 671#endif 672 673#ifndef OPENSSL_NO_NEXTPROTONEG 674/* This is the context that we pass to next_proto_cb */ 675typedef struct tlsextnextprotoctx_st { 676 unsigned char *data; 677 size_t len; 678} tlsextnextprotoctx; 679 680static int next_proto_cb(SSL *s, const unsigned char **data, 681 unsigned int *len, void *arg) 682{ 683 tlsextnextprotoctx *next_proto = arg; 684 685 *data = next_proto->data; 686 *len = next_proto->len; 687 688 return SSL_TLSEXT_ERR_OK; 689} 690#endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 691 692/* This the context that we pass to alpn_cb */ 693typedef struct tlsextalpnctx_st { 694 unsigned char *data; 695 size_t len; 696} tlsextalpnctx; 697 698static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, 699 const unsigned char *in, unsigned int inlen, void *arg) 700{ 701 tlsextalpnctx *alpn_ctx = arg; 702 703 if (!s_quiet) { 704 /* We can assume that |in| is syntactically valid. */ 705 unsigned int i; 706 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: "); 707 for (i = 0; i < inlen;) { 708 if (i) 709 BIO_write(bio_s_out, ", ", 2); 710 BIO_write(bio_s_out, &in[i + 1], in[i]); 711 i += in[i] + 1; 712 } 713 BIO_write(bio_s_out, "\n", 1); 714 } 715 716 if (SSL_select_next_proto 717 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in, 718 inlen) != OPENSSL_NPN_NEGOTIATED) { 719 return SSL_TLSEXT_ERR_NOACK; 720 } 721 722 if (!s_quiet) { 723 BIO_printf(bio_s_out, "ALPN protocols selected: "); 724 BIO_write(bio_s_out, *out, *outlen); 725 BIO_write(bio_s_out, "\n", 1); 726 } 727 728 return SSL_TLSEXT_ERR_OK; 729} 730 731static int not_resumable_sess_cb(SSL *s, int is_forward_secure) 732{ 733 /* disable resumption for sessions with forward secure ciphers */ 734 return is_forward_secure; 735} 736 737typedef enum OPTION_choice { 738 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE, 739 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT, 740 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL, 741 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM, 742 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT, 743 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT, 744 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE, 745 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET, 746 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, 747 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF, 748 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE, 749 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE, 750 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, 751 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE, 752 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK, 753 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW, 754 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG, 755 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF, 756 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1, 757 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS, 758 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL, 759 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, 760 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, 761 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA, 762 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG, 763 OPT_R_ENUM, 764 OPT_S_ENUM, 765 OPT_V_ENUM, 766 OPT_X_ENUM 767} OPTION_CHOICE; 768 769const OPTIONS s_server_options[] = { 770 {"help", OPT_HELP, '-', "Display this summary"}, 771 {"port", OPT_PORT, 'p', 772 "TCP/IP port to listen on for connections (default is " PORT ")"}, 773 {"accept", OPT_ACCEPT, 's', 774 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"}, 775#ifdef AF_UNIX 776 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"}, 777#endif 778 {"4", OPT_4, '-', "Use IPv4 only"}, 779 {"6", OPT_6, '-', "Use IPv6 only"}, 780#ifdef AF_UNIX 781 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"}, 782#endif 783 {"context", OPT_CONTEXT, 's', "Set session ID context"}, 784 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"}, 785 {"Verify", OPT_UPPER_V_VERIFY, 'n', 786 "Turn on peer certificate verification, must have a cert"}, 787 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT}, 788 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"}, 789 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"}, 790 {"serverinfo", OPT_SERVERINFO, 's', 791 "PEM serverinfo file for certificate"}, 792 {"certform", OPT_CERTFORM, 'F', 793 "Certificate format (PEM or DER) PEM default"}, 794 {"key", OPT_KEY, 's', 795 "Private Key if not in -cert; default is " TEST_CERT}, 796 {"keyform", OPT_KEYFORM, 'f', 797 "Key format (PEM, DER or ENGINE) PEM default"}, 798 {"pass", OPT_PASS, 's', "Private key file pass phrase source"}, 799 {"dcert", OPT_DCERT, '<', 800 "Second certificate file to use (usually for DSA)"}, 801 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"}, 802 {"dcertform", OPT_DCERTFORM, 'F', 803 "Second certificate format (PEM or DER) PEM default"}, 804 {"dkey", OPT_DKEY, '<', 805 "Second private key file to use (usually for DSA)"}, 806 {"dkeyform", OPT_DKEYFORM, 'F', 807 "Second key format (PEM, DER or ENGINE) PEM default"}, 808 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"}, 809 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"}, 810 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"}, 811 {"debug", OPT_DEBUG, '-', "Print more output"}, 812 {"msg", OPT_MSG, '-', "Show protocol messages"}, 813 {"msgfile", OPT_MSGFILE, '>', 814 "File to send output of -msg or -trace, instead of stdout"}, 815 {"state", OPT_STATE, '-', "Print the SSL states"}, 816 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"}, 817 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"}, 818 {"no-CAfile", OPT_NOCAFILE, '-', 819 "Do not load the default certificates file"}, 820 {"no-CApath", OPT_NOCAPATH, '-', 821 "Do not load certificates from the default certificates directory"}, 822 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"}, 823 {"quiet", OPT_QUIET, '-', "No server output"}, 824 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-', 825 "Disable caching and tickets if ephemeral (EC)DH is used"}, 826 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"}, 827 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"}, 828 {"servername", OPT_SERVERNAME, 's', 829 "Servername for HostName TLS extension"}, 830 {"servername_fatal", OPT_SERVERNAME_FATAL, '-', 831 "mismatch send fatal alert (default warning alert)"}, 832 {"cert2", OPT_CERT2, '<', 833 "Certificate file to use for servername; default is" TEST_CERT2}, 834 {"key2", OPT_KEY2, '<', 835 "-Private Key file to use for servername if not in -cert2"}, 836 {"tlsextdebug", OPT_TLSEXTDEBUG, '-', 837 "Hex dump of all TLS extensions received"}, 838 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"}, 839 {"id_prefix", OPT_ID_PREFIX, 's', 840 "Generate SSL/TLS session IDs prefixed by arg"}, 841 OPT_R_OPTIONS, 842 {"keymatexport", OPT_KEYMATEXPORT, 's', 843 "Export keying material using label"}, 844 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p', 845 "Export len bytes of keying material (default 20)"}, 846 {"CRL", OPT_CRL, '<', "CRL file to use"}, 847 {"crl_download", OPT_CRL_DOWNLOAD, '-', 848 "Download CRL from distribution points"}, 849 {"cert_chain", OPT_CERT_CHAIN, '<', 850 "certificate chain file in PEM format"}, 851 {"dcert_chain", OPT_DCERT_CHAIN, '<', 852 "second certificate chain file in PEM format"}, 853 {"chainCApath", OPT_CHAINCAPATH, '/', 854 "use dir as certificate store path to build CA certificate chain"}, 855 {"verifyCApath", OPT_VERIFYCAPATH, '/', 856 "use dir as certificate store path to verify CA certificate"}, 857 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"}, 858 {"ext_cache", OPT_EXT_CACHE, '-', 859 "Disable internal cache, setup and use external cache"}, 860 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"}, 861 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-', 862 "Close connection on verification error"}, 863 {"verify_quiet", OPT_VERIFY_QUIET, '-', 864 "No verify output except verify errors"}, 865 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"}, 866 {"chainCAfile", OPT_CHAINCAFILE, '<', 867 "CA file for certificate chain (PEM format)"}, 868 {"verifyCAfile", OPT_VERIFYCAFILE, '<', 869 "CA file for certificate verification (PEM format)"}, 870 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"}, 871 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"}, 872#ifndef OPENSSL_NO_OCSP 873 {"status", OPT_STATUS, '-', "Request certificate status from server"}, 874 {"status_verbose", OPT_STATUS_VERBOSE, '-', 875 "Print more output in certificate status callback"}, 876 {"status_timeout", OPT_STATUS_TIMEOUT, 'n', 877 "Status request responder timeout"}, 878 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"}, 879 {"status_file", OPT_STATUS_FILE, '<', 880 "File containing DER encoded OCSP Response"}, 881#endif 882#ifndef OPENSSL_NO_SSL_TRACE 883 {"trace", OPT_TRACE, '-', "trace protocol messages"}, 884#endif 885 {"security_debug", OPT_SECURITY_DEBUG, '-', 886 "Print output from SSL/TLS security framework"}, 887 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-', 888 "Print more output from SSL/TLS security framework"}, 889 {"brief", OPT_BRIEF, '-', 890 "Restrict output to brief summary of connection parameters"}, 891 {"rev", OPT_REV, '-', 892 "act as a simple test server which just sends back with the received text reversed"}, 893 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"}, 894 {"ssl_config", OPT_SSL_CONFIG, 's', 895 "Configure SSL_CTX using the configuration 'val'"}, 896 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "}, 897 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p', 898 "Size used to split data for encrypt pipelines"}, 899 {"max_pipelines", OPT_MAX_PIPELINES, 'p', 900 "Maximum number of encrypt/decrypt pipelines to be used"}, 901 {"read_buf", OPT_READ_BUF, 'p', 902 "Default read buffer size to be used for connections"}, 903 OPT_S_OPTIONS, 904 OPT_V_OPTIONS, 905 OPT_X_OPTIONS, 906 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"}, 907 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"}, 908#ifndef OPENSSL_NO_PSK 909 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"}, 910#endif 911 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"}, 912 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"}, 913#ifndef OPENSSL_NO_SRP 914 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"}, 915 {"srpuserseed", OPT_SRPUSERSEED, 's', 916 "A seed string for a default user salt"}, 917#endif 918#ifndef OPENSSL_NO_SSL3 919 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"}, 920#endif 921#ifndef OPENSSL_NO_TLS1 922 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"}, 923#endif 924#ifndef OPENSSL_NO_TLS1_1 925 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"}, 926#endif 927#ifndef OPENSSL_NO_TLS1_2 928 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"}, 929#endif 930#ifndef OPENSSL_NO_TLS1_3 931 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"}, 932#endif 933#ifndef OPENSSL_NO_DTLS 934 {"dtls", OPT_DTLS, '-', "Use any DTLS version"}, 935 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"}, 936 {"mtu", OPT_MTU, 'p', "Set link layer MTU"}, 937 {"listen", OPT_LISTEN, '-', 938 "Listen for a DTLS ClientHello with a cookie and then connect"}, 939#endif 940 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"}, 941#ifndef OPENSSL_NO_DTLS1 942 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"}, 943#endif 944#ifndef OPENSSL_NO_DTLS1_2 945 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"}, 946#endif 947#ifndef OPENSSL_NO_SCTP 948 {"sctp", OPT_SCTP, '-', "Use SCTP"}, 949 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"}, 950#endif 951#ifndef OPENSSL_NO_DH 952 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"}, 953#endif 954#ifndef OPENSSL_NO_NEXTPROTONEG 955 {"nextprotoneg", OPT_NEXTPROTONEG, 's', 956 "Set the advertised protocols for the NPN extension (comma-separated list)"}, 957#endif 958#ifndef OPENSSL_NO_SRTP 959 {"use_srtp", OPT_SRTP_PROFILES, 's', 960 "Offer SRTP key management with a colon-separated profile list"}, 961#endif 962 {"alpn", OPT_ALPN, 's', 963 "Set the advertised protocols for the ALPN extension (comma-separated list)"}, 964#ifndef OPENSSL_NO_ENGINE 965 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, 966#endif 967 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"}, 968 {"max_early_data", OPT_MAX_EARLY, 'n', 969 "The maximum number of bytes of early data as advertised in tickets"}, 970 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n', 971 "The maximum number of bytes of early data (hard limit)"}, 972 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"}, 973 {"num_tickets", OPT_S_NUM_TICKETS, 'n', 974 "The number of TLSv1.3 session tickets that a server will automatically issue" }, 975 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"}, 976 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"}, 977 {NULL, OPT_EOF, 0, NULL} 978}; 979 980#define IS_PROT_FLAG(o) \ 981 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \ 982 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2) 983 984int s_server_main(int argc, char *argv[]) 985{ 986 ENGINE *engine = NULL; 987 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 988 SSL_CONF_CTX *cctx = NULL; 989 const SSL_METHOD *meth = TLS_server_method(); 990 SSL_EXCERT *exc = NULL; 991 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 992 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; 993 STACK_OF(X509_CRL) *crls = NULL; 994 X509 *s_cert = NULL, *s_dcert = NULL; 995 X509_VERIFY_PARAM *vpm = NULL; 996 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL; 997 char *dpassarg = NULL, *dpass = NULL; 998 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL; 999 char *crl_file = NULL, *prog; 1000#ifdef AF_UNIX 1001 int unlink_unix_path = 0; 1002#endif 1003 do_server_cb server_cb; 1004 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0; 1005#ifndef OPENSSL_NO_DH 1006 char *dhfile = NULL; 1007 int no_dhe = 0; 1008#endif 1009 int nocert = 0, ret = 1; 1010 int noCApath = 0, noCAfile = 0; 1011 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 1012 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 1013 int rev = 0, naccept = -1, sdebug = 0; 1014 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0; 1015 int state = 0, crl_format = FORMAT_PEM, crl_download = 0; 1016 char *host = NULL; 1017 char *port = BUF_strdup(PORT); 1018 unsigned char *context = NULL; 1019 OPTION_CHOICE o; 1020 EVP_PKEY *s_key2 = NULL; 1021 X509 *s_cert2 = NULL; 1022 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 1023 const char *ssl_config = NULL; 1024 int read_buf_len = 0; 1025#ifndef OPENSSL_NO_NEXTPROTONEG 1026 const char *next_proto_neg_in = NULL; 1027 tlsextnextprotoctx next_proto = { NULL, 0 }; 1028#endif 1029 const char *alpn_in = NULL; 1030 tlsextalpnctx alpn_ctx = { NULL, 0 }; 1031#ifndef OPENSSL_NO_PSK 1032 /* by default do not send a PSK identity hint */ 1033 char *psk_identity_hint = NULL; 1034#endif 1035 char *p; 1036#ifndef OPENSSL_NO_SRP 1037 char *srpuserseed = NULL; 1038 char *srp_verifier_file = NULL; 1039#endif 1040#ifndef OPENSSL_NO_SRTP 1041 char *srtp_profiles = NULL; 1042#endif 1043 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0; 1044 int s_server_verify = SSL_VERIFY_NONE; 1045 int s_server_session_id_context = 1; /* anything will do */ 1046 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL; 1047 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; 1048 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL; 1049#ifndef OPENSSL_NO_OCSP 1050 int s_tlsextstatus = 0; 1051#endif 1052 int no_resume_ephemeral = 0; 1053 unsigned int max_send_fragment = 0; 1054 unsigned int split_send_fragment = 0, max_pipelines = 0; 1055 const char *s_serverinfo_file = NULL; 1056 const char *keylog_file = NULL; 1057 int max_early_data = -1, recv_max_early_data = -1; 1058 char *psksessf = NULL; 1059#ifndef OPENSSL_NO_SCTP 1060 int sctp_label_bug = 0; 1061#endif 1062 1063 /* Init of few remaining global variables */ 1064 local_argc = argc; 1065 local_argv = argv; 1066 1067 ctx = ctx2 = NULL; 1068 s_nbio = s_nbio_test = 0; 1069 www = 0; 1070 bio_s_out = NULL; 1071 s_debug = 0; 1072 s_msg = 0; 1073 s_quiet = 0; 1074 s_brief = 0; 1075 async = 0; 1076 1077 cctx = SSL_CONF_CTX_new(); 1078 vpm = X509_VERIFY_PARAM_new(); 1079 if (cctx == NULL || vpm == NULL) 1080 goto end; 1081 SSL_CONF_CTX_set_flags(cctx, 1082 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE); 1083 1084 prog = opt_init(argc, argv, s_server_options); 1085 while ((o = opt_next()) != OPT_EOF) { 1086 if (IS_PROT_FLAG(o) && ++prot_opt > 1) { 1087 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); 1088 goto end; 1089 } 1090 if (IS_NO_PROT_FLAG(o)) 1091 no_prot_opt++; 1092 if (prot_opt == 1 && no_prot_opt) { 1093 BIO_printf(bio_err, 1094 "Cannot supply both a protocol flag and '-no_<prot>'\n"); 1095 goto end; 1096 } 1097 switch (o) { 1098 case OPT_EOF: 1099 case OPT_ERR: 1100 opthelp: 1101 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); 1102 goto end; 1103 case OPT_HELP: 1104 opt_help(s_server_options); 1105 ret = 0; 1106 goto end; 1107 1108 case OPT_4: 1109#ifdef AF_UNIX 1110 if (socket_family == AF_UNIX) { 1111 OPENSSL_free(host); host = NULL; 1112 OPENSSL_free(port); port = NULL; 1113 } 1114#endif 1115 socket_family = AF_INET; 1116 break; 1117 case OPT_6: 1118 if (1) { 1119#ifdef AF_INET6 1120#ifdef AF_UNIX 1121 if (socket_family == AF_UNIX) { 1122 OPENSSL_free(host); host = NULL; 1123 OPENSSL_free(port); port = NULL; 1124 } 1125#endif 1126 socket_family = AF_INET6; 1127 } else { 1128#endif 1129 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog); 1130 goto end; 1131 } 1132 break; 1133 case OPT_PORT: 1134#ifdef AF_UNIX 1135 if (socket_family == AF_UNIX) { 1136 socket_family = AF_UNSPEC; 1137 } 1138#endif 1139 OPENSSL_free(port); port = NULL; 1140 OPENSSL_free(host); host = NULL; 1141 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) { 1142 BIO_printf(bio_err, 1143 "%s: -port argument malformed or ambiguous\n", 1144 port); 1145 goto end; 1146 } 1147 break; 1148 case OPT_ACCEPT: 1149#ifdef AF_UNIX 1150 if (socket_family == AF_UNIX) { 1151 socket_family = AF_UNSPEC; 1152 } 1153#endif 1154 OPENSSL_free(port); port = NULL; 1155 OPENSSL_free(host); host = NULL; 1156 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) { 1157 BIO_printf(bio_err, 1158 "%s: -accept argument malformed or ambiguous\n", 1159 port); 1160 goto end; 1161 } 1162 break; 1163#ifdef AF_UNIX 1164 case OPT_UNIX: 1165 socket_family = AF_UNIX; 1166 OPENSSL_free(host); host = BUF_strdup(opt_arg()); 1167 OPENSSL_free(port); port = NULL; 1168 break; 1169 case OPT_UNLINK: 1170 unlink_unix_path = 1; 1171 break; 1172#endif 1173 case OPT_NACCEPT: 1174 naccept = atol(opt_arg()); 1175 break; 1176 case OPT_VERIFY: 1177 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; 1178 verify_args.depth = atoi(opt_arg()); 1179 if (!s_quiet) 1180 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth); 1181 break; 1182 case OPT_UPPER_V_VERIFY: 1183 s_server_verify = 1184 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | 1185 SSL_VERIFY_CLIENT_ONCE; 1186 verify_args.depth = atoi(opt_arg()); 1187 if (!s_quiet) 1188 BIO_printf(bio_err, 1189 "verify depth is %d, must return a certificate\n", 1190 verify_args.depth); 1191 break; 1192 case OPT_CONTEXT: 1193 context = (unsigned char *)opt_arg(); 1194 break; 1195 case OPT_CERT: 1196 s_cert_file = opt_arg(); 1197 break; 1198 case OPT_NAMEOPT: 1199 if (!set_nameopt(opt_arg())) 1200 goto end; 1201 break; 1202 case OPT_CRL: 1203 crl_file = opt_arg(); 1204 break; 1205 case OPT_CRL_DOWNLOAD: 1206 crl_download = 1; 1207 break; 1208 case OPT_SERVERINFO: 1209 s_serverinfo_file = opt_arg(); 1210 break; 1211 case OPT_CERTFORM: 1212 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format)) 1213 goto opthelp; 1214 break; 1215 case OPT_KEY: 1216 s_key_file = opt_arg(); 1217 break; 1218 case OPT_KEYFORM: 1219 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format)) 1220 goto opthelp; 1221 break; 1222 case OPT_PASS: 1223 passarg = opt_arg(); 1224 break; 1225 case OPT_CERT_CHAIN: 1226 s_chain_file = opt_arg(); 1227 break; 1228 case OPT_DHPARAM: 1229#ifndef OPENSSL_NO_DH 1230 dhfile = opt_arg(); 1231#endif 1232 break; 1233 case OPT_DCERTFORM: 1234 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format)) 1235 goto opthelp; 1236 break; 1237 case OPT_DCERT: 1238 s_dcert_file = opt_arg(); 1239 break; 1240 case OPT_DKEYFORM: 1241 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format)) 1242 goto opthelp; 1243 break; 1244 case OPT_DPASS: 1245 dpassarg = opt_arg(); 1246 break; 1247 case OPT_DKEY: 1248 s_dkey_file = opt_arg(); 1249 break; 1250 case OPT_DCERT_CHAIN: 1251 s_dchain_file = opt_arg(); 1252 break; 1253 case OPT_NOCERT: 1254 nocert = 1; 1255 break; 1256 case OPT_CAPATH: 1257 CApath = opt_arg(); 1258 break; 1259 case OPT_NOCAPATH: 1260 noCApath = 1; 1261 break; 1262 case OPT_CHAINCAPATH: 1263 chCApath = opt_arg(); 1264 break; 1265 case OPT_VERIFYCAPATH: 1266 vfyCApath = opt_arg(); 1267 break; 1268 case OPT_NO_CACHE: 1269 no_cache = 1; 1270 break; 1271 case OPT_EXT_CACHE: 1272 ext_cache = 1; 1273 break; 1274 case OPT_CRLFORM: 1275 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format)) 1276 goto opthelp; 1277 break; 1278 case OPT_S_CASES: 1279 case OPT_S_NUM_TICKETS: 1280 case OPT_ANTI_REPLAY: 1281 case OPT_NO_ANTI_REPLAY: 1282 if (ssl_args == NULL) 1283 ssl_args = sk_OPENSSL_STRING_new_null(); 1284 if (ssl_args == NULL 1285 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag()) 1286 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) { 1287 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog); 1288 goto end; 1289 } 1290 break; 1291 case OPT_V_CASES: 1292 if (!opt_verify(o, vpm)) 1293 goto end; 1294 vpmtouched++; 1295 break; 1296 case OPT_X_CASES: 1297 if (!args_excert(o, &exc)) 1298 goto end; 1299 break; 1300 case OPT_VERIFY_RET_ERROR: 1301 verify_args.return_error = 1; 1302 break; 1303 case OPT_VERIFY_QUIET: 1304 verify_args.quiet = 1; 1305 break; 1306 case OPT_BUILD_CHAIN: 1307 build_chain = 1; 1308 break; 1309 case OPT_CAFILE: 1310 CAfile = opt_arg(); 1311 break; 1312 case OPT_NOCAFILE: 1313 noCAfile = 1; 1314 break; 1315 case OPT_CHAINCAFILE: 1316 chCAfile = opt_arg(); 1317 break; 1318 case OPT_VERIFYCAFILE: 1319 vfyCAfile = opt_arg(); 1320 break; 1321 case OPT_NBIO: 1322 s_nbio = 1; 1323 break; 1324 case OPT_NBIO_TEST: 1325 s_nbio = s_nbio_test = 1; 1326 break; 1327 case OPT_IGN_EOF: 1328 s_ign_eof = 1; 1329 break; 1330 case OPT_NO_IGN_EOF: 1331 s_ign_eof = 0; 1332 break; 1333 case OPT_DEBUG: 1334 s_debug = 1; 1335 break; 1336 case OPT_TLSEXTDEBUG: 1337 s_tlsextdebug = 1; 1338 break; 1339 case OPT_STATUS: 1340#ifndef OPENSSL_NO_OCSP 1341 s_tlsextstatus = 1; 1342#endif 1343 break; 1344 case OPT_STATUS_VERBOSE: 1345#ifndef OPENSSL_NO_OCSP 1346 s_tlsextstatus = tlscstatp.verbose = 1; 1347#endif 1348 break; 1349 case OPT_STATUS_TIMEOUT: 1350#ifndef OPENSSL_NO_OCSP 1351 s_tlsextstatus = 1; 1352 tlscstatp.timeout = atoi(opt_arg()); 1353#endif 1354 break; 1355 case OPT_STATUS_URL: 1356#ifndef OPENSSL_NO_OCSP 1357 s_tlsextstatus = 1; 1358 if (!OCSP_parse_url(opt_arg(), 1359 &tlscstatp.host, 1360 &tlscstatp.port, 1361 &tlscstatp.path, &tlscstatp.use_ssl)) { 1362 BIO_printf(bio_err, "Error parsing URL\n"); 1363 goto end; 1364 } 1365#endif 1366 break; 1367 case OPT_STATUS_FILE: 1368#ifndef OPENSSL_NO_OCSP 1369 s_tlsextstatus = 1; 1370 tlscstatp.respin = opt_arg(); 1371#endif 1372 break; 1373 case OPT_MSG: 1374 s_msg = 1; 1375 break; 1376 case OPT_MSGFILE: 1377 bio_s_msg = BIO_new_file(opt_arg(), "w"); 1378 break; 1379 case OPT_TRACE: 1380#ifndef OPENSSL_NO_SSL_TRACE 1381 s_msg = 2; 1382#endif 1383 break; 1384 case OPT_SECURITY_DEBUG: 1385 sdebug = 1; 1386 break; 1387 case OPT_SECURITY_DEBUG_VERBOSE: 1388 sdebug = 2; 1389 break; 1390 case OPT_STATE: 1391 state = 1; 1392 break; 1393 case OPT_CRLF: 1394 s_crlf = 1; 1395 break; 1396 case OPT_QUIET: 1397 s_quiet = 1; 1398 break; 1399 case OPT_BRIEF: 1400 s_quiet = s_brief = verify_args.quiet = 1; 1401 break; 1402 case OPT_NO_DHE: 1403#ifndef OPENSSL_NO_DH 1404 no_dhe = 1; 1405#endif 1406 break; 1407 case OPT_NO_RESUME_EPHEMERAL: 1408 no_resume_ephemeral = 1; 1409 break; 1410 case OPT_PSK_IDENTITY: 1411 psk_identity = opt_arg(); 1412 break; 1413 case OPT_PSK_HINT: 1414#ifndef OPENSSL_NO_PSK 1415 psk_identity_hint = opt_arg(); 1416#endif 1417 break; 1418 case OPT_PSK: 1419 for (p = psk_key = opt_arg(); *p; p++) { 1420 if (isxdigit(_UC(*p))) 1421 continue; 1422 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key); 1423 goto end; 1424 } 1425 break; 1426 case OPT_PSK_SESS: 1427 psksessf = opt_arg(); 1428 break; 1429 case OPT_SRPVFILE: 1430#ifndef OPENSSL_NO_SRP 1431 srp_verifier_file = opt_arg(); 1432 if (min_version < TLS1_VERSION) 1433 min_version = TLS1_VERSION; 1434#endif 1435 break; 1436 case OPT_SRPUSERSEED: 1437#ifndef OPENSSL_NO_SRP 1438 srpuserseed = opt_arg(); 1439 if (min_version < TLS1_VERSION) 1440 min_version = TLS1_VERSION; 1441#endif 1442 break; 1443 case OPT_REV: 1444 rev = 1; 1445 break; 1446 case OPT_WWW: 1447 www = 1; 1448 break; 1449 case OPT_UPPER_WWW: 1450 www = 2; 1451 break; 1452 case OPT_HTTP: 1453 www = 3; 1454 break; 1455 case OPT_SSL_CONFIG: 1456 ssl_config = opt_arg(); 1457 break; 1458 case OPT_SSL3: 1459 min_version = SSL3_VERSION; 1460 max_version = SSL3_VERSION; 1461 break; 1462 case OPT_TLS1_3: 1463 min_version = TLS1_3_VERSION; 1464 max_version = TLS1_3_VERSION; 1465 break; 1466 case OPT_TLS1_2: 1467 min_version = TLS1_2_VERSION; 1468 max_version = TLS1_2_VERSION; 1469 break; 1470 case OPT_TLS1_1: 1471 min_version = TLS1_1_VERSION; 1472 max_version = TLS1_1_VERSION; 1473 break; 1474 case OPT_TLS1: 1475 min_version = TLS1_VERSION; 1476 max_version = TLS1_VERSION; 1477 break; 1478 case OPT_DTLS: 1479#ifndef OPENSSL_NO_DTLS 1480 meth = DTLS_server_method(); 1481 socket_type = SOCK_DGRAM; 1482#endif 1483 break; 1484 case OPT_DTLS1: 1485#ifndef OPENSSL_NO_DTLS 1486 meth = DTLS_server_method(); 1487 min_version = DTLS1_VERSION; 1488 max_version = DTLS1_VERSION; 1489 socket_type = SOCK_DGRAM; 1490#endif 1491 break; 1492 case OPT_DTLS1_2: 1493#ifndef OPENSSL_NO_DTLS 1494 meth = DTLS_server_method(); 1495 min_version = DTLS1_2_VERSION; 1496 max_version = DTLS1_2_VERSION; 1497 socket_type = SOCK_DGRAM; 1498#endif 1499 break; 1500 case OPT_SCTP: 1501#ifndef OPENSSL_NO_SCTP 1502 protocol = IPPROTO_SCTP; 1503#endif 1504 break; 1505 case OPT_SCTP_LABEL_BUG: 1506#ifndef OPENSSL_NO_SCTP 1507 sctp_label_bug = 1; 1508#endif 1509 break; 1510 case OPT_TIMEOUT: 1511#ifndef OPENSSL_NO_DTLS 1512 enable_timeouts = 1; 1513#endif 1514 break; 1515 case OPT_MTU: 1516#ifndef OPENSSL_NO_DTLS 1517 socket_mtu = atol(opt_arg()); 1518#endif 1519 break; 1520 case OPT_LISTEN: 1521#ifndef OPENSSL_NO_DTLS 1522 dtlslisten = 1; 1523#endif 1524 break; 1525 case OPT_STATELESS: 1526 stateless = 1; 1527 break; 1528 case OPT_ID_PREFIX: 1529 session_id_prefix = opt_arg(); 1530 break; 1531 case OPT_ENGINE: 1532 engine = setup_engine(opt_arg(), 1); 1533 break; 1534 case OPT_R_CASES: 1535 if (!opt_rand(o)) 1536 goto end; 1537 break; 1538 case OPT_SERVERNAME: 1539 tlsextcbp.servername = opt_arg(); 1540 break; 1541 case OPT_SERVERNAME_FATAL: 1542 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1543 break; 1544 case OPT_CERT2: 1545 s_cert_file2 = opt_arg(); 1546 break; 1547 case OPT_KEY2: 1548 s_key_file2 = opt_arg(); 1549 break; 1550 case OPT_NEXTPROTONEG: 1551# ifndef OPENSSL_NO_NEXTPROTONEG 1552 next_proto_neg_in = opt_arg(); 1553#endif 1554 break; 1555 case OPT_ALPN: 1556 alpn_in = opt_arg(); 1557 break; 1558 case OPT_SRTP_PROFILES: 1559#ifndef OPENSSL_NO_SRTP 1560 srtp_profiles = opt_arg(); 1561#endif 1562 break; 1563 case OPT_KEYMATEXPORT: 1564 keymatexportlabel = opt_arg(); 1565 break; 1566 case OPT_KEYMATEXPORTLEN: 1567 keymatexportlen = atoi(opt_arg()); 1568 break; 1569 case OPT_ASYNC: 1570 async = 1; 1571 break; 1572 case OPT_MAX_SEND_FRAG: 1573 max_send_fragment = atoi(opt_arg()); 1574 break; 1575 case OPT_SPLIT_SEND_FRAG: 1576 split_send_fragment = atoi(opt_arg()); 1577 break; 1578 case OPT_MAX_PIPELINES: 1579 max_pipelines = atoi(opt_arg()); 1580 break; 1581 case OPT_READ_BUF: 1582 read_buf_len = atoi(opt_arg()); 1583 break; 1584 case OPT_KEYLOG_FILE: 1585 keylog_file = opt_arg(); 1586 break; 1587 case OPT_MAX_EARLY: 1588 max_early_data = atoi(opt_arg()); 1589 if (max_early_data < 0) { 1590 BIO_printf(bio_err, "Invalid value for max_early_data\n"); 1591 goto end; 1592 } 1593 break; 1594 case OPT_RECV_MAX_EARLY: 1595 recv_max_early_data = atoi(opt_arg()); 1596 if (recv_max_early_data < 0) { 1597 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n"); 1598 goto end; 1599 } 1600 break; 1601 case OPT_EARLY_DATA: 1602 early_data = 1; 1603 if (max_early_data == -1) 1604 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH; 1605 break; 1606 } 1607 } 1608 argc = opt_num_rest(); 1609 argv = opt_rest(); 1610 1611#ifndef OPENSSL_NO_NEXTPROTONEG 1612 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) { 1613 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n"); 1614 goto opthelp; 1615 } 1616#endif 1617#ifndef OPENSSL_NO_DTLS 1618 if (www && socket_type == SOCK_DGRAM) { 1619 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1620 goto end; 1621 } 1622 1623 if (dtlslisten && socket_type != SOCK_DGRAM) { 1624 BIO_printf(bio_err, "Can only use -listen with DTLS\n"); 1625 goto end; 1626 } 1627#endif 1628 1629 if (stateless && socket_type != SOCK_STREAM) { 1630 BIO_printf(bio_err, "Can only use --stateless with TLS\n"); 1631 goto end; 1632 } 1633 1634#ifdef AF_UNIX 1635 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) { 1636 BIO_printf(bio_err, 1637 "Can't use unix sockets and datagrams together\n"); 1638 goto end; 1639 } 1640#endif 1641 if (early_data && (www > 0 || rev)) { 1642 BIO_printf(bio_err, 1643 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n"); 1644 goto end; 1645 } 1646 1647#ifndef OPENSSL_NO_SCTP 1648 if (protocol == IPPROTO_SCTP) { 1649 if (socket_type != SOCK_DGRAM) { 1650 BIO_printf(bio_err, "Can't use -sctp without DTLS\n"); 1651 goto end; 1652 } 1653 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */ 1654 socket_type = SOCK_STREAM; 1655 } 1656#endif 1657 1658 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) { 1659 BIO_printf(bio_err, "Error getting password\n"); 1660 goto end; 1661 } 1662 1663 if (s_key_file == NULL) 1664 s_key_file = s_cert_file; 1665 1666 if (s_key_file2 == NULL) 1667 s_key_file2 = s_cert_file2; 1668 1669 if (!load_excert(&exc)) 1670 goto end; 1671 1672 if (nocert == 0) { 1673 s_key = load_key(s_key_file, s_key_format, 0, pass, engine, 1674 "server certificate private key file"); 1675 if (s_key == NULL) { 1676 ERR_print_errors(bio_err); 1677 goto end; 1678 } 1679 1680 s_cert = load_cert(s_cert_file, s_cert_format, 1681 "server certificate file"); 1682 1683 if (s_cert == NULL) { 1684 ERR_print_errors(bio_err); 1685 goto end; 1686 } 1687 if (s_chain_file != NULL) { 1688 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL, 1689 "server certificate chain")) 1690 goto end; 1691 } 1692 1693 if (tlsextcbp.servername != NULL) { 1694 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine, 1695 "second server certificate private key file"); 1696 if (s_key2 == NULL) { 1697 ERR_print_errors(bio_err); 1698 goto end; 1699 } 1700 1701 s_cert2 = load_cert(s_cert_file2, s_cert_format, 1702 "second server certificate file"); 1703 1704 if (s_cert2 == NULL) { 1705 ERR_print_errors(bio_err); 1706 goto end; 1707 } 1708 } 1709 } 1710#if !defined(OPENSSL_NO_NEXTPROTONEG) 1711 if (next_proto_neg_in) { 1712 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1713 if (next_proto.data == NULL) 1714 goto end; 1715 } 1716#endif 1717 alpn_ctx.data = NULL; 1718 if (alpn_in) { 1719 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in); 1720 if (alpn_ctx.data == NULL) 1721 goto end; 1722 } 1723 1724 if (crl_file != NULL) { 1725 X509_CRL *crl; 1726 crl = load_crl(crl_file, crl_format); 1727 if (crl == NULL) { 1728 BIO_puts(bio_err, "Error loading CRL\n"); 1729 ERR_print_errors(bio_err); 1730 goto end; 1731 } 1732 crls = sk_X509_CRL_new_null(); 1733 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) { 1734 BIO_puts(bio_err, "Error adding CRL\n"); 1735 ERR_print_errors(bio_err); 1736 X509_CRL_free(crl); 1737 goto end; 1738 } 1739 } 1740 1741 if (s_dcert_file != NULL) { 1742 1743 if (s_dkey_file == NULL) 1744 s_dkey_file = s_dcert_file; 1745 1746 s_dkey = load_key(s_dkey_file, s_dkey_format, 1747 0, dpass, engine, "second certificate private key file"); 1748 if (s_dkey == NULL) { 1749 ERR_print_errors(bio_err); 1750 goto end; 1751 } 1752 1753 s_dcert = load_cert(s_dcert_file, s_dcert_format, 1754 "second server certificate file"); 1755 1756 if (s_dcert == NULL) { 1757 ERR_print_errors(bio_err); 1758 goto end; 1759 } 1760 if (s_dchain_file != NULL) { 1761 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL, 1762 "second server certificate chain")) 1763 goto end; 1764 } 1765 1766 } 1767 1768 if (bio_s_out == NULL) { 1769 if (s_quiet && !s_debug) { 1770 bio_s_out = BIO_new(BIO_s_null()); 1771 if (s_msg && bio_s_msg == NULL) 1772 bio_s_msg = dup_bio_out(FORMAT_TEXT); 1773 } else { 1774 if (bio_s_out == NULL) 1775 bio_s_out = dup_bio_out(FORMAT_TEXT); 1776 } 1777 } 1778#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC) 1779 if (nocert) 1780#endif 1781 { 1782 s_cert_file = NULL; 1783 s_key_file = NULL; 1784 s_dcert_file = NULL; 1785 s_dkey_file = NULL; 1786 s_cert_file2 = NULL; 1787 s_key_file2 = NULL; 1788 } 1789 1790 ctx = SSL_CTX_new(meth); 1791 if (ctx == NULL) { 1792 ERR_print_errors(bio_err); 1793 goto end; 1794 } 1795 1796 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY); 1797 1798 if (sdebug) 1799 ssl_ctx_security_debug(ctx, sdebug); 1800 1801 if (!config_ctx(cctx, ssl_args, ctx)) 1802 goto end; 1803 1804 if (ssl_config) { 1805 if (SSL_CTX_config(ctx, ssl_config) == 0) { 1806 BIO_printf(bio_err, "Error using configuration \"%s\"\n", 1807 ssl_config); 1808 ERR_print_errors(bio_err); 1809 goto end; 1810 } 1811 } 1812 1813#ifndef OPENSSL_NO_SCTP 1814 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1) 1815 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); 1816#endif 1817 1818 if (min_version != 0 1819 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0) 1820 goto end; 1821 if (max_version != 0 1822 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0) 1823 goto end; 1824 1825 if (session_id_prefix) { 1826 if (strlen(session_id_prefix) >= 32) 1827 BIO_printf(bio_err, 1828 "warning: id_prefix is too long, only one new session will be possible\n"); 1829 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1830 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1831 ERR_print_errors(bio_err); 1832 goto end; 1833 } 1834 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1835 } 1836 SSL_CTX_set_quiet_shutdown(ctx, 1); 1837 if (exc != NULL) 1838 ssl_ctx_set_excert(ctx, exc); 1839 1840 if (state) 1841 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1842 if (no_cache) 1843 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1844 else if (ext_cache) 1845 init_session_cache_ctx(ctx); 1846 else 1847 SSL_CTX_sess_set_cache_size(ctx, 128); 1848 1849 if (async) { 1850 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC); 1851 } 1852 1853 if (max_send_fragment > 0 1854 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) { 1855 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n", 1856 prog, max_send_fragment); 1857 goto end; 1858 } 1859 1860 if (split_send_fragment > 0 1861 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) { 1862 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n", 1863 prog, split_send_fragment); 1864 goto end; 1865 } 1866 if (max_pipelines > 0 1867 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) { 1868 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n", 1869 prog, max_pipelines); 1870 goto end; 1871 } 1872 1873 if (read_buf_len > 0) { 1874 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len); 1875 } 1876#ifndef OPENSSL_NO_SRTP 1877 if (srtp_profiles != NULL) { 1878 /* Returns 0 on success! */ 1879 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) { 1880 BIO_printf(bio_err, "Error setting SRTP profile\n"); 1881 ERR_print_errors(bio_err); 1882 goto end; 1883 } 1884 } 1885#endif 1886 1887 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) { 1888 ERR_print_errors(bio_err); 1889 goto end; 1890 } 1891 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) { 1892 BIO_printf(bio_err, "Error setting verify params\n"); 1893 ERR_print_errors(bio_err); 1894 goto end; 1895 } 1896 1897 ssl_ctx_add_crls(ctx, crls, 0); 1898 1899 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1900 crls, crl_download)) { 1901 BIO_printf(bio_err, "Error loading store locations\n"); 1902 ERR_print_errors(bio_err); 1903 goto end; 1904 } 1905 1906 if (s_cert2) { 1907 ctx2 = SSL_CTX_new(meth); 1908 if (ctx2 == NULL) { 1909 ERR_print_errors(bio_err); 1910 goto end; 1911 } 1912 } 1913 1914 if (ctx2 != NULL) { 1915 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1916 1917 if (sdebug) 1918 ssl_ctx_security_debug(ctx2, sdebug); 1919 1920 if (session_id_prefix) { 1921 if (strlen(session_id_prefix) >= 32) 1922 BIO_printf(bio_err, 1923 "warning: id_prefix is too long, only one new session will be possible\n"); 1924 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1925 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1926 ERR_print_errors(bio_err); 1927 goto end; 1928 } 1929 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1930 } 1931 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1932 if (exc != NULL) 1933 ssl_ctx_set_excert(ctx2, exc); 1934 1935 if (state) 1936 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1937 1938 if (no_cache) 1939 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1940 else if (ext_cache) 1941 init_session_cache_ctx(ctx2); 1942 else 1943 SSL_CTX_sess_set_cache_size(ctx2, 128); 1944 1945 if (async) 1946 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC); 1947 1948 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile, 1949 noCApath)) { 1950 ERR_print_errors(bio_err); 1951 goto end; 1952 } 1953 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) { 1954 BIO_printf(bio_err, "Error setting verify params\n"); 1955 ERR_print_errors(bio_err); 1956 goto end; 1957 } 1958 1959 ssl_ctx_add_crls(ctx2, crls, 0); 1960 if (!config_ctx(cctx, ssl_args, ctx2)) 1961 goto end; 1962 } 1963#ifndef OPENSSL_NO_NEXTPROTONEG 1964 if (next_proto.data) 1965 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1966 &next_proto); 1967#endif 1968 if (alpn_ctx.data) 1969 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); 1970 1971#ifndef OPENSSL_NO_DH 1972 if (!no_dhe) { 1973 DH *dh = NULL; 1974 1975 if (dhfile != NULL) 1976 dh = load_dh_param(dhfile); 1977 else if (s_cert_file != NULL) 1978 dh = load_dh_param(s_cert_file); 1979 1980 if (dh != NULL) { 1981 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1982 } else { 1983 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1984 } 1985 (void)BIO_flush(bio_s_out); 1986 1987 if (dh == NULL) { 1988 SSL_CTX_set_dh_auto(ctx, 1); 1989 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) { 1990 BIO_puts(bio_err, "Error setting temp DH parameters\n"); 1991 ERR_print_errors(bio_err); 1992 DH_free(dh); 1993 goto end; 1994 } 1995 1996 if (ctx2 != NULL) { 1997 if (!dhfile) { 1998 DH *dh2 = load_dh_param(s_cert_file2); 1999 if (dh2 != NULL) { 2000 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 2001 (void)BIO_flush(bio_s_out); 2002 2003 DH_free(dh); 2004 dh = dh2; 2005 } 2006 } 2007 if (dh == NULL) { 2008 SSL_CTX_set_dh_auto(ctx2, 1); 2009 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) { 2010 BIO_puts(bio_err, "Error setting temp DH parameters\n"); 2011 ERR_print_errors(bio_err); 2012 DH_free(dh); 2013 goto end; 2014 } 2015 } 2016 DH_free(dh); 2017 } 2018#endif 2019 2020 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) 2021 goto end; 2022 2023 if (s_serverinfo_file != NULL 2024 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { 2025 ERR_print_errors(bio_err); 2026 goto end; 2027 } 2028 2029 if (ctx2 != NULL 2030 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) 2031 goto end; 2032 2033 if (s_dcert != NULL) { 2034 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) 2035 goto end; 2036 } 2037 2038 if (no_resume_ephemeral) { 2039 SSL_CTX_set_not_resumable_session_callback(ctx, 2040 not_resumable_sess_cb); 2041 2042 if (ctx2 != NULL) 2043 SSL_CTX_set_not_resumable_session_callback(ctx2, 2044 not_resumable_sess_cb); 2045 } 2046#ifndef OPENSSL_NO_PSK 2047 if (psk_key != NULL) { 2048 if (s_debug) 2049 BIO_printf(bio_s_out, "PSK key given, setting server callback\n"); 2050 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 2051 } 2052 2053 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 2054 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 2055 ERR_print_errors(bio_err); 2056 goto end; 2057 } 2058#endif 2059 if (psksessf != NULL) { 2060 BIO *stmp = BIO_new_file(psksessf, "r"); 2061 2062 if (stmp == NULL) { 2063 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf); 2064 ERR_print_errors(bio_err); 2065 goto end; 2066 } 2067 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 2068 BIO_free(stmp); 2069 if (psksess == NULL) { 2070 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf); 2071 ERR_print_errors(bio_err); 2072 goto end; 2073 } 2074 2075 } 2076 2077 if (psk_key != NULL || psksess != NULL) 2078 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb); 2079 2080 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 2081 if (!SSL_CTX_set_session_id_context(ctx, 2082 (void *)&s_server_session_id_context, 2083 sizeof(s_server_session_id_context))) { 2084 BIO_printf(bio_err, "error setting session id context\n"); 2085 ERR_print_errors(bio_err); 2086 goto end; 2087 } 2088 2089 /* Set DTLS cookie generation and verification callbacks */ 2090 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 2091 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 2092 2093 /* Set TLS1.3 cookie generation and verification callbacks */ 2094 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback); 2095 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback); 2096 2097 if (ctx2 != NULL) { 2098 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 2099 if (!SSL_CTX_set_session_id_context(ctx2, 2100 (void *)&s_server_session_id_context, 2101 sizeof(s_server_session_id_context))) { 2102 BIO_printf(bio_err, "error setting session id context\n"); 2103 ERR_print_errors(bio_err); 2104 goto end; 2105 } 2106 tlsextcbp.biodebug = bio_s_out; 2107 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 2108 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 2109 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 2110 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 2111 } 2112 2113#ifndef OPENSSL_NO_SRP 2114 if (srp_verifier_file != NULL) { 2115 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 2116 srp_callback_parm.user = NULL; 2117 srp_callback_parm.login = NULL; 2118 if ((ret = 2119 SRP_VBASE_init(srp_callback_parm.vb, 2120 srp_verifier_file)) != SRP_NO_ERROR) { 2121 BIO_printf(bio_err, 2122 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 2123 srp_verifier_file, ret); 2124 goto end; 2125 } 2126 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 2127 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 2128 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 2129 } else 2130#endif 2131 if (CAfile != NULL) { 2132 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 2133 2134 if (ctx2) 2135 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 2136 } 2137#ifndef OPENSSL_NO_OCSP 2138 if (s_tlsextstatus) { 2139 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 2140 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 2141 if (ctx2) { 2142 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb); 2143 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp); 2144 } 2145 } 2146#endif 2147 if (set_keylog_file(ctx, keylog_file)) 2148 goto end; 2149 2150 if (max_early_data >= 0) 2151 SSL_CTX_set_max_early_data(ctx, max_early_data); 2152 if (recv_max_early_data >= 0) 2153 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data); 2154 2155 if (rev) 2156 server_cb = rev_body; 2157 else if (www) 2158 server_cb = www_body; 2159 else 2160 server_cb = sv_body; 2161#ifdef AF_UNIX 2162 if (socket_family == AF_UNIX 2163 && unlink_unix_path) 2164 unlink(host); 2165#endif 2166 do_server(&accept_socket, host, port, socket_family, socket_type, protocol, 2167 server_cb, context, naccept, bio_s_out); 2168 print_stats(bio_s_out, ctx); 2169 ret = 0; 2170 end: 2171 SSL_CTX_free(ctx); 2172 SSL_SESSION_free(psksess); 2173 set_keylog_file(NULL, NULL); 2174 X509_free(s_cert); 2175 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2176 X509_free(s_dcert); 2177 EVP_PKEY_free(s_key); 2178 EVP_PKEY_free(s_dkey); 2179 sk_X509_pop_free(s_chain, X509_free); 2180 sk_X509_pop_free(s_dchain, X509_free); 2181 OPENSSL_free(pass); 2182 OPENSSL_free(dpass); 2183 OPENSSL_free(host); 2184 OPENSSL_free(port); 2185 X509_VERIFY_PARAM_free(vpm); 2186 free_sessions(); 2187 OPENSSL_free(tlscstatp.host); 2188 OPENSSL_free(tlscstatp.port); 2189 OPENSSL_free(tlscstatp.path); 2190 SSL_CTX_free(ctx2); 2191 X509_free(s_cert2); 2192 EVP_PKEY_free(s_key2); 2193#ifndef OPENSSL_NO_NEXTPROTONEG 2194 OPENSSL_free(next_proto.data); 2195#endif 2196 OPENSSL_free(alpn_ctx.data); 2197 ssl_excert_free(exc); 2198 sk_OPENSSL_STRING_free(ssl_args); 2199 SSL_CONF_CTX_free(cctx); 2200 release_engine(engine); 2201 BIO_free(bio_s_out); 2202 bio_s_out = NULL; 2203 BIO_free(bio_s_msg); 2204 bio_s_msg = NULL; 2205#ifdef CHARSET_EBCDIC 2206 BIO_meth_free(methods_ebcdic); 2207#endif 2208 return ret; 2209} 2210 2211static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 2212{ 2213 BIO_printf(bio, "%4ld items in the session cache\n", 2214 SSL_CTX_sess_number(ssl_ctx)); 2215 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 2216 SSL_CTX_sess_connect(ssl_ctx)); 2217 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 2218 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 2219 BIO_printf(bio, "%4ld client connects that finished\n", 2220 SSL_CTX_sess_connect_good(ssl_ctx)); 2221 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 2222 SSL_CTX_sess_accept(ssl_ctx)); 2223 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 2224 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 2225 BIO_printf(bio, "%4ld server accepts that finished\n", 2226 SSL_CTX_sess_accept_good(ssl_ctx)); 2227 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 2228 BIO_printf(bio, "%4ld session cache misses\n", 2229 SSL_CTX_sess_misses(ssl_ctx)); 2230 BIO_printf(bio, "%4ld session cache timeouts\n", 2231 SSL_CTX_sess_timeouts(ssl_ctx)); 2232 BIO_printf(bio, "%4ld callback cache hits\n", 2233 SSL_CTX_sess_cb_hits(ssl_ctx)); 2234 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 2235 SSL_CTX_sess_cache_full(ssl_ctx), 2236 SSL_CTX_sess_get_cache_size(ssl_ctx)); 2237} 2238 2239static long int count_reads_callback(BIO *bio, int cmd, const char *argp, 2240 int argi, long int argl, long int ret) 2241{ 2242 unsigned int *p_counter = (unsigned int *)BIO_get_callback_arg(bio); 2243 2244 switch (cmd) { 2245 case BIO_CB_READ: /* No break here */ 2246 case BIO_CB_GETS: 2247 if (p_counter != NULL) 2248 ++*p_counter; 2249 break; 2250 default: 2251 break; 2252 } 2253 2254 if (s_debug) { 2255 BIO_set_callback_arg(bio, (char *)bio_s_out); 2256 ret = bio_dump_callback(bio, cmd, argp, argi, argl, ret); 2257 BIO_set_callback_arg(bio, (char *)p_counter); 2258 } 2259 2260 return ret; 2261} 2262 2263static int sv_body(int s, int stype, int prot, unsigned char *context) 2264{ 2265 char *buf = NULL; 2266 fd_set readfds; 2267 int ret = 1, width; 2268 int k, i; 2269 unsigned long l; 2270 SSL *con = NULL; 2271 BIO *sbio; 2272 struct timeval timeout; 2273#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)) 2274 struct timeval *timeoutp; 2275#endif 2276#ifndef OPENSSL_NO_DTLS 2277# ifndef OPENSSL_NO_SCTP 2278 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP); 2279# else 2280 int isdtls = (stype == SOCK_DGRAM); 2281# endif 2282#endif 2283 2284 buf = app_malloc(bufsize, "server buffer"); 2285 if (s_nbio) { 2286 if (!BIO_socket_nbio(s, 1)) 2287 ERR_print_errors(bio_err); 2288 else if (!s_quiet) 2289 BIO_printf(bio_err, "Turned on non blocking io\n"); 2290 } 2291 2292 con = SSL_new(ctx); 2293 if (con == NULL) { 2294 ret = -1; 2295 goto err; 2296 } 2297 2298 if (s_tlsextdebug) { 2299 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2300 SSL_set_tlsext_debug_arg(con, bio_s_out); 2301 } 2302 2303 if (context != NULL 2304 && !SSL_set_session_id_context(con, context, 2305 strlen((char *)context))) { 2306 BIO_printf(bio_err, "Error setting session id context\n"); 2307 ret = -1; 2308 goto err; 2309 } 2310 2311 if (!SSL_clear(con)) { 2312 BIO_printf(bio_err, "Error clearing SSL connection\n"); 2313 ret = -1; 2314 goto err; 2315 } 2316#ifndef OPENSSL_NO_DTLS 2317 if (isdtls) { 2318# ifndef OPENSSL_NO_SCTP 2319 if (prot == IPPROTO_SCTP) 2320 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE); 2321 else 2322# endif 2323 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2324 2325 if (enable_timeouts) { 2326 timeout.tv_sec = 0; 2327 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2328 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2329 2330 timeout.tv_sec = 0; 2331 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2332 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2333 } 2334 2335 if (socket_mtu) { 2336 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2337 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2338 DTLS_get_link_min_mtu(con)); 2339 ret = -1; 2340 BIO_free(sbio); 2341 goto err; 2342 } 2343 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2344 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2345 BIO_printf(bio_err, "Failed to set MTU\n"); 2346 ret = -1; 2347 BIO_free(sbio); 2348 goto err; 2349 } 2350 } else 2351 /* want to do MTU discovery */ 2352 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2353 2354# ifndef OPENSSL_NO_SCTP 2355 if (prot != IPPROTO_SCTP) 2356# endif 2357 /* Turn on cookie exchange. Not necessary for SCTP */ 2358 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2359 } else 2360#endif 2361 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2362 2363 if (sbio == NULL) { 2364 BIO_printf(bio_err, "Unable to create BIO\n"); 2365 ERR_print_errors(bio_err); 2366 goto err; 2367 } 2368 2369 if (s_nbio_test) { 2370 BIO *test; 2371 2372 test = BIO_new(BIO_f_nbio_test()); 2373 sbio = BIO_push(test, sbio); 2374 } 2375 2376 SSL_set_bio(con, sbio, sbio); 2377 SSL_set_accept_state(con); 2378 /* SSL_set_fd(con,s); */ 2379 2380 BIO_set_callback(SSL_get_rbio(con), count_reads_callback); 2381 if (s_msg) { 2382#ifndef OPENSSL_NO_SSL_TRACE 2383 if (s_msg == 2) 2384 SSL_set_msg_callback(con, SSL_trace); 2385 else 2386#endif 2387 SSL_set_msg_callback(con, msg_cb); 2388 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2389 } 2390 2391 if (s_tlsextdebug) { 2392 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2393 SSL_set_tlsext_debug_arg(con, bio_s_out); 2394 } 2395 2396 if (early_data) { 2397 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR; 2398 size_t readbytes; 2399 2400 while (edret != SSL_READ_EARLY_DATA_FINISH) { 2401 for (;;) { 2402 edret = SSL_read_early_data(con, buf, bufsize, &readbytes); 2403 if (edret != SSL_READ_EARLY_DATA_ERROR) 2404 break; 2405 2406 switch (SSL_get_error(con, 0)) { 2407 case SSL_ERROR_WANT_WRITE: 2408 case SSL_ERROR_WANT_ASYNC: 2409 case SSL_ERROR_WANT_READ: 2410 /* Just keep trying - busy waiting */ 2411 continue; 2412 default: 2413 BIO_printf(bio_err, "Error reading early data\n"); 2414 ERR_print_errors(bio_err); 2415 goto err; 2416 } 2417 } 2418 if (readbytes > 0) { 2419 if (write_header) { 2420 BIO_printf(bio_s_out, "Early data received:\n"); 2421 write_header = 0; 2422 } 2423 raw_write_stdout(buf, (unsigned int)readbytes); 2424 (void)BIO_flush(bio_s_out); 2425 } 2426 } 2427 if (write_header) { 2428 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT) 2429 BIO_printf(bio_s_out, "No early data received\n"); 2430 else 2431 BIO_printf(bio_s_out, "Early data was rejected\n"); 2432 } else { 2433 BIO_printf(bio_s_out, "\nEnd of early data\n"); 2434 } 2435 if (SSL_is_init_finished(con)) 2436 print_connection_info(con); 2437 } 2438 2439 if (fileno_stdin() > s) 2440 width = fileno_stdin() + 1; 2441 else 2442 width = s + 1; 2443 for (;;) { 2444 int read_from_terminal; 2445 int read_from_sslcon; 2446 2447 read_from_terminal = 0; 2448 read_from_sslcon = SSL_has_pending(con) 2449 || (async && SSL_waiting_for_async(con)); 2450 2451 if (!read_from_sslcon) { 2452 FD_ZERO(&readfds); 2453#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) 2454 openssl_fdset(fileno_stdin(), &readfds); 2455#endif 2456 openssl_fdset(s, &readfds); 2457 /* 2458 * Note: under VMS with SOCKETSHR the second parameter is 2459 * currently of type (int *) whereas under other systems it is 2460 * (void *) if you don't have a cast it will choke the compiler: 2461 * if you do have a cast then you can either go for (int *) or 2462 * (void *). 2463 */ 2464#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 2465 /* 2466 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2467 * only on sockets. As a workaround we timeout the select every 2468 * second and check for any keypress. In a proper Windows 2469 * application we wouldn't do this because it is inefficient. 2470 */ 2471 timeout.tv_sec = 1; 2472 timeout.tv_usec = 0; 2473 i = select(width, (void *)&readfds, NULL, NULL, &timeout); 2474 if (has_stdin_waiting()) 2475 read_from_terminal = 1; 2476 if ((i < 0) || (!i && !read_from_terminal)) 2477 continue; 2478#else 2479 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout)) 2480 timeoutp = &timeout; 2481 else 2482 timeoutp = NULL; 2483 2484 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2485 2486 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0) 2487 BIO_printf(bio_err, "TIMEOUT occurred\n"); 2488 2489 if (i <= 0) 2490 continue; 2491 if (FD_ISSET(fileno_stdin(), &readfds)) 2492 read_from_terminal = 1; 2493#endif 2494 if (FD_ISSET(s, &readfds)) 2495 read_from_sslcon = 1; 2496 } 2497 if (read_from_terminal) { 2498 if (s_crlf) { 2499 int j, lf_num; 2500 2501 i = raw_read_stdin(buf, bufsize / 2); 2502 lf_num = 0; 2503 /* both loops are skipped when i <= 0 */ 2504 for (j = 0; j < i; j++) 2505 if (buf[j] == '\n') 2506 lf_num++; 2507 for (j = i - 1; j >= 0; j--) { 2508 buf[j + lf_num] = buf[j]; 2509 if (buf[j] == '\n') { 2510 lf_num--; 2511 i++; 2512 buf[j + lf_num] = '\r'; 2513 } 2514 } 2515 assert(lf_num == 0); 2516 } else { 2517 i = raw_read_stdin(buf, bufsize); 2518 } 2519 2520 if (!s_quiet && !s_brief) { 2521 if ((i <= 0) || (buf[0] == 'Q')) { 2522 BIO_printf(bio_s_out, "DONE\n"); 2523 (void)BIO_flush(bio_s_out); 2524 BIO_closesocket(s); 2525 close_accept_socket(); 2526 ret = -11; 2527 goto err; 2528 } 2529 if ((i <= 0) || (buf[0] == 'q')) { 2530 BIO_printf(bio_s_out, "DONE\n"); 2531 (void)BIO_flush(bio_s_out); 2532 if (SSL_version(con) != DTLS1_VERSION) 2533 BIO_closesocket(s); 2534 /* 2535 * close_accept_socket(); ret= -11; 2536 */ 2537 goto err; 2538 } 2539#ifndef OPENSSL_NO_HEARTBEATS 2540 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2541 BIO_printf(bio_err, "HEARTBEATING\n"); 2542 SSL_heartbeat(con); 2543 i = 0; 2544 continue; 2545 } 2546#endif 2547 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2548 SSL_renegotiate(con); 2549 i = SSL_do_handshake(con); 2550 printf("SSL_do_handshake -> %d\n", i); 2551 i = 0; /* 13; */ 2552 continue; 2553 } 2554 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2555 SSL_set_verify(con, 2556 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2557 NULL); 2558 SSL_renegotiate(con); 2559 i = SSL_do_handshake(con); 2560 printf("SSL_do_handshake -> %d\n", i); 2561 i = 0; /* 13; */ 2562 continue; 2563 } 2564 if ((buf[0] == 'K' || buf[0] == 'k') 2565 && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2566 SSL_key_update(con, buf[0] == 'K' ? 2567 SSL_KEY_UPDATE_REQUESTED 2568 : SSL_KEY_UPDATE_NOT_REQUESTED); 2569 i = SSL_do_handshake(con); 2570 printf("SSL_do_handshake -> %d\n", i); 2571 i = 0; 2572 continue; 2573 } 2574 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2575 SSL_set_verify(con, SSL_VERIFY_PEER, NULL); 2576 i = SSL_verify_client_post_handshake(con); 2577 if (i == 0) { 2578 printf("Failed to initiate request\n"); 2579 ERR_print_errors(bio_err); 2580 } else { 2581 i = SSL_do_handshake(con); 2582 printf("SSL_do_handshake -> %d\n", i); 2583 i = 0; 2584 } 2585 continue; 2586 } 2587 if (buf[0] == 'P') { 2588 static const char *str = "Lets print some clear text\n"; 2589 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2590 } 2591 if (buf[0] == 'S') { 2592 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2593 } 2594 } 2595#ifdef CHARSET_EBCDIC 2596 ebcdic2ascii(buf, buf, i); 2597#endif 2598 l = k = 0; 2599 for (;;) { 2600 /* should do a select for the write */ 2601#ifdef RENEG 2602 static count = 0; 2603 if (++count == 100) { 2604 count = 0; 2605 SSL_renegotiate(con); 2606 } 2607#endif 2608 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2609#ifndef OPENSSL_NO_SRP 2610 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2611 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2612 SRP_user_pwd_free(srp_callback_parm.user); 2613 srp_callback_parm.user = 2614 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2615 srp_callback_parm.login); 2616 if (srp_callback_parm.user) 2617 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2618 srp_callback_parm.user->info); 2619 else 2620 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2621 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2622 } 2623#endif 2624 switch (SSL_get_error(con, k)) { 2625 case SSL_ERROR_NONE: 2626 break; 2627 case SSL_ERROR_WANT_ASYNC: 2628 BIO_printf(bio_s_out, "Write BLOCK (Async)\n"); 2629 (void)BIO_flush(bio_s_out); 2630 wait_for_async(con); 2631 break; 2632 case SSL_ERROR_WANT_WRITE: 2633 case SSL_ERROR_WANT_READ: 2634 case SSL_ERROR_WANT_X509_LOOKUP: 2635 BIO_printf(bio_s_out, "Write BLOCK\n"); 2636 (void)BIO_flush(bio_s_out); 2637 break; 2638 case SSL_ERROR_WANT_ASYNC_JOB: 2639 /* 2640 * This shouldn't ever happen in s_server. Treat as an error 2641 */ 2642 case SSL_ERROR_SYSCALL: 2643 case SSL_ERROR_SSL: 2644 BIO_printf(bio_s_out, "ERROR\n"); 2645 (void)BIO_flush(bio_s_out); 2646 ERR_print_errors(bio_err); 2647 ret = 1; 2648 goto err; 2649 /* break; */ 2650 case SSL_ERROR_ZERO_RETURN: 2651 BIO_printf(bio_s_out, "DONE\n"); 2652 (void)BIO_flush(bio_s_out); 2653 ret = 1; 2654 goto err; 2655 } 2656 if (k > 0) { 2657 l += k; 2658 i -= k; 2659 } 2660 if (i <= 0) 2661 break; 2662 } 2663 } 2664 if (read_from_sslcon) { 2665 /* 2666 * init_ssl_connection handles all async events itself so if we're 2667 * waiting for async then we shouldn't go back into 2668 * init_ssl_connection 2669 */ 2670 if ((!async || !SSL_waiting_for_async(con)) 2671 && !SSL_is_init_finished(con)) { 2672 /* 2673 * Count number of reads during init_ssl_connection. 2674 * It helps us to distinguish configuration errors from errors 2675 * caused by a client. 2676 */ 2677 unsigned int read_counter = 0; 2678 2679 BIO_set_callback_arg(SSL_get_rbio(con), (char *)&read_counter); 2680 i = init_ssl_connection(con); 2681 BIO_set_callback_arg(SSL_get_rbio(con), NULL); 2682 2683 /* 2684 * If initialization fails without reads, then 2685 * there was a fatal error in configuration. 2686 */ 2687 if (i <= 0 && read_counter == 0) { 2688 ret = -1; 2689 goto err; 2690 } 2691 2692 if (i < 0) { 2693 ret = 0; 2694 goto err; 2695 } else if (i == 0) { 2696 ret = 1; 2697 goto err; 2698 } 2699 } else { 2700 again: 2701 i = SSL_read(con, (char *)buf, bufsize); 2702#ifndef OPENSSL_NO_SRP 2703 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2704 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2705 SRP_user_pwd_free(srp_callback_parm.user); 2706 srp_callback_parm.user = 2707 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2708 srp_callback_parm.login); 2709 if (srp_callback_parm.user) 2710 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2711 srp_callback_parm.user->info); 2712 else 2713 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2714 i = SSL_read(con, (char *)buf, bufsize); 2715 } 2716#endif 2717 switch (SSL_get_error(con, i)) { 2718 case SSL_ERROR_NONE: 2719#ifdef CHARSET_EBCDIC 2720 ascii2ebcdic(buf, buf, i); 2721#endif 2722 raw_write_stdout(buf, (unsigned int)i); 2723 (void)BIO_flush(bio_s_out); 2724 if (SSL_has_pending(con)) 2725 goto again; 2726 break; 2727 case SSL_ERROR_WANT_ASYNC: 2728 BIO_printf(bio_s_out, "Read BLOCK (Async)\n"); 2729 (void)BIO_flush(bio_s_out); 2730 wait_for_async(con); 2731 break; 2732 case SSL_ERROR_WANT_WRITE: 2733 case SSL_ERROR_WANT_READ: 2734 BIO_printf(bio_s_out, "Read BLOCK\n"); 2735 (void)BIO_flush(bio_s_out); 2736 break; 2737 case SSL_ERROR_WANT_ASYNC_JOB: 2738 /* 2739 * This shouldn't ever happen in s_server. Treat as an error 2740 */ 2741 case SSL_ERROR_SYSCALL: 2742 case SSL_ERROR_SSL: 2743 BIO_printf(bio_s_out, "ERROR\n"); 2744 (void)BIO_flush(bio_s_out); 2745 ERR_print_errors(bio_err); 2746 ret = 1; 2747 goto err; 2748 case SSL_ERROR_ZERO_RETURN: 2749 BIO_printf(bio_s_out, "DONE\n"); 2750 (void)BIO_flush(bio_s_out); 2751 ret = 1; 2752 goto err; 2753 } 2754 } 2755 } 2756 } 2757 err: 2758 if (con != NULL) { 2759 BIO_printf(bio_s_out, "shutting down SSL\n"); 2760 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2761 SSL_free(con); 2762 } 2763 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2764 OPENSSL_clear_free(buf, bufsize); 2765 return ret; 2766} 2767 2768static void close_accept_socket(void) 2769{ 2770 BIO_printf(bio_err, "shutdown accept socket\n"); 2771 if (accept_socket >= 0) { 2772 BIO_closesocket(accept_socket); 2773 } 2774} 2775 2776static int is_retryable(SSL *con, int i) 2777{ 2778 int err = SSL_get_error(con, i); 2779 2780 /* If it's not a fatal error, it must be retryable */ 2781 return (err != SSL_ERROR_SSL) 2782 && (err != SSL_ERROR_SYSCALL) 2783 && (err != SSL_ERROR_ZERO_RETURN); 2784} 2785 2786static int init_ssl_connection(SSL *con) 2787{ 2788 int i; 2789 long verify_err; 2790 int retry = 0; 2791 2792 if (dtlslisten || stateless) { 2793 BIO_ADDR *client = NULL; 2794 2795 if (dtlslisten) { 2796 if ((client = BIO_ADDR_new()) == NULL) { 2797 BIO_printf(bio_err, "ERROR - memory\n"); 2798 return 0; 2799 } 2800 i = DTLSv1_listen(con, client); 2801 } else { 2802 i = SSL_stateless(con); 2803 } 2804 if (i > 0) { 2805 BIO *wbio; 2806 int fd = -1; 2807 2808 if (dtlslisten) { 2809 wbio = SSL_get_wbio(con); 2810 if (wbio) { 2811 BIO_get_fd(wbio, &fd); 2812 } 2813 2814 if (!wbio || BIO_connect(fd, client, 0) == 0) { 2815 BIO_printf(bio_err, "ERROR - unable to connect\n"); 2816 BIO_ADDR_free(client); 2817 return 0; 2818 } 2819 2820 (void)BIO_ctrl_set_connected(wbio, client); 2821 BIO_ADDR_free(client); 2822 dtlslisten = 0; 2823 } else { 2824 stateless = 0; 2825 } 2826 i = SSL_accept(con); 2827 } else { 2828 BIO_ADDR_free(client); 2829 } 2830 } else { 2831 do { 2832 i = SSL_accept(con); 2833 2834 if (i <= 0) 2835 retry = is_retryable(con, i); 2836#ifdef CERT_CB_TEST_RETRY 2837 { 2838 while (i <= 0 2839 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP 2840 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) { 2841 BIO_printf(bio_err, 2842 "LOOKUP from certificate callback during accept\n"); 2843 i = SSL_accept(con); 2844 if (i <= 0) 2845 retry = is_retryable(con, i); 2846 } 2847 } 2848#endif 2849 2850#ifndef OPENSSL_NO_SRP 2851 while (i <= 0 2852 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2853 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2854 srp_callback_parm.login); 2855 SRP_user_pwd_free(srp_callback_parm.user); 2856 srp_callback_parm.user = 2857 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2858 srp_callback_parm.login); 2859 if (srp_callback_parm.user) 2860 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2861 srp_callback_parm.user->info); 2862 else 2863 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2864 i = SSL_accept(con); 2865 if (i <= 0) 2866 retry = is_retryable(con, i); 2867 } 2868#endif 2869 } while (i < 0 && SSL_waiting_for_async(con)); 2870 } 2871 2872 if (i <= 0) { 2873 if (((dtlslisten || stateless) && i == 0) 2874 || (!dtlslisten && !stateless && retry)) { 2875 BIO_printf(bio_s_out, "DELAY\n"); 2876 return 1; 2877 } 2878 2879 BIO_printf(bio_err, "ERROR\n"); 2880 2881 verify_err = SSL_get_verify_result(con); 2882 if (verify_err != X509_V_OK) { 2883 BIO_printf(bio_err, "verify error:%s\n", 2884 X509_verify_cert_error_string(verify_err)); 2885 } 2886 /* Always print any error messages */ 2887 ERR_print_errors(bio_err); 2888 return 0; 2889 } 2890 2891 print_connection_info(con); 2892 return 1; 2893} 2894 2895static void print_connection_info(SSL *con) 2896{ 2897 const char *str; 2898 X509 *peer; 2899 char buf[BUFSIZ]; 2900#if !defined(OPENSSL_NO_NEXTPROTONEG) 2901 const unsigned char *next_proto_neg; 2902 unsigned next_proto_neg_len; 2903#endif 2904 unsigned char *exportedkeymat; 2905 int i; 2906 2907 if (s_brief) 2908 print_ssl_summary(con); 2909 2910 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2911 2912 peer = SSL_get_peer_certificate(con); 2913 if (peer != NULL) { 2914 BIO_printf(bio_s_out, "Client certificate\n"); 2915 PEM_write_bio_X509(bio_s_out, peer); 2916 dump_cert_text(bio_s_out, peer); 2917 X509_free(peer); 2918 peer = NULL; 2919 } 2920 2921 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL) 2922 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2923 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2924 ssl_print_sigalgs(bio_s_out, con); 2925#ifndef OPENSSL_NO_EC 2926 ssl_print_point_formats(bio_s_out, con); 2927 ssl_print_groups(bio_s_out, con, 0); 2928#endif 2929 print_ca_names(bio_s_out, con); 2930 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2931 2932#if !defined(OPENSSL_NO_NEXTPROTONEG) 2933 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2934 if (next_proto_neg) { 2935 BIO_printf(bio_s_out, "NEXTPROTO is "); 2936 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2937 BIO_printf(bio_s_out, "\n"); 2938 } 2939#endif 2940#ifndef OPENSSL_NO_SRTP 2941 { 2942 SRTP_PROTECTION_PROFILE *srtp_profile 2943 = SSL_get_selected_srtp_profile(con); 2944 2945 if (srtp_profile) 2946 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2947 srtp_profile->name); 2948 } 2949#endif 2950 if (SSL_session_reused(con)) 2951 BIO_printf(bio_s_out, "Reused session-id\n"); 2952 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2953 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2954 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION)) 2955 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n"); 2956 2957 if (keymatexportlabel != NULL) { 2958 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2959 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2960 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2961 exportedkeymat = app_malloc(keymatexportlen, "export key"); 2962 if (!SSL_export_keying_material(con, exportedkeymat, 2963 keymatexportlen, 2964 keymatexportlabel, 2965 strlen(keymatexportlabel), 2966 NULL, 0, 0)) { 2967 BIO_printf(bio_s_out, " Error\n"); 2968 } else { 2969 BIO_printf(bio_s_out, " Keying material: "); 2970 for (i = 0; i < keymatexportlen; i++) 2971 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2972 BIO_printf(bio_s_out, "\n"); 2973 } 2974 OPENSSL_free(exportedkeymat); 2975 } 2976 2977 (void)BIO_flush(bio_s_out); 2978} 2979 2980#ifndef OPENSSL_NO_DH 2981static DH *load_dh_param(const char *dhfile) 2982{ 2983 DH *ret = NULL; 2984 BIO *bio; 2985 2986 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2987 goto err; 2988 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2989 err: 2990 BIO_free(bio); 2991 return ret; 2992} 2993#endif 2994 2995static int www_body(int s, int stype, int prot, unsigned char *context) 2996{ 2997 char *buf = NULL; 2998 int ret = 1; 2999 int i, j, k, dot; 3000 SSL *con; 3001 const SSL_CIPHER *c; 3002 BIO *io, *ssl_bio, *sbio; 3003#ifdef RENEG 3004 int total_bytes = 0; 3005#endif 3006 int width; 3007 fd_set readfds; 3008 3009 /* Set width for a select call if needed */ 3010 width = s + 1; 3011 3012 buf = app_malloc(bufsize, "server www buffer"); 3013 io = BIO_new(BIO_f_buffer()); 3014 ssl_bio = BIO_new(BIO_f_ssl()); 3015 if ((io == NULL) || (ssl_bio == NULL)) 3016 goto err; 3017 3018 if (s_nbio) { 3019 if (!BIO_socket_nbio(s, 1)) 3020 ERR_print_errors(bio_err); 3021 else if (!s_quiet) 3022 BIO_printf(bio_err, "Turned on non blocking io\n"); 3023 } 3024 3025 /* lets make the output buffer a reasonable size */ 3026 if (!BIO_set_write_buffer_size(io, bufsize)) 3027 goto err; 3028 3029 if ((con = SSL_new(ctx)) == NULL) 3030 goto err; 3031 3032 if (s_tlsextdebug) { 3033 SSL_set_tlsext_debug_callback(con, tlsext_cb); 3034 SSL_set_tlsext_debug_arg(con, bio_s_out); 3035 } 3036 3037 if (context != NULL 3038 && !SSL_set_session_id_context(con, context, 3039 strlen((char *)context))) { 3040 SSL_free(con); 3041 goto err; 3042 } 3043 3044 sbio = BIO_new_socket(s, BIO_NOCLOSE); 3045 if (s_nbio_test) { 3046 BIO *test; 3047 3048 test = BIO_new(BIO_f_nbio_test()); 3049 sbio = BIO_push(test, sbio); 3050 } 3051 SSL_set_bio(con, sbio, sbio); 3052 SSL_set_accept_state(con); 3053 3054 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */ 3055 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3056 BIO_push(io, ssl_bio); 3057#ifdef CHARSET_EBCDIC 3058 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3059#endif 3060 3061 if (s_debug) { 3062 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3063 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3064 } 3065 if (s_msg) { 3066#ifndef OPENSSL_NO_SSL_TRACE 3067 if (s_msg == 2) 3068 SSL_set_msg_callback(con, SSL_trace); 3069 else 3070#endif 3071 SSL_set_msg_callback(con, msg_cb); 3072 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3073 } 3074 3075 for (;;) { 3076 i = BIO_gets(io, buf, bufsize - 1); 3077 if (i < 0) { /* error */ 3078 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) { 3079 if (!s_quiet) 3080 ERR_print_errors(bio_err); 3081 goto err; 3082 } else { 3083 BIO_printf(bio_s_out, "read R BLOCK\n"); 3084#ifndef OPENSSL_NO_SRP 3085 if (BIO_should_io_special(io) 3086 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3087 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 3088 SRP_user_pwd_free(srp_callback_parm.user); 3089 srp_callback_parm.user = 3090 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3091 srp_callback_parm.login); 3092 if (srp_callback_parm.user) 3093 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3094 srp_callback_parm.user->info); 3095 else 3096 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3097 continue; 3098 } 3099#endif 3100#if !defined(OPENSSL_SYS_MSDOS) 3101 sleep(1); 3102#endif 3103 continue; 3104 } 3105 } else if (i == 0) { /* end of input */ 3106 ret = 1; 3107 goto end; 3108 } 3109 3110 /* else we have data */ 3111 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 3112 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 3113 char *p; 3114 X509 *peer = NULL; 3115 STACK_OF(SSL_CIPHER) *sk; 3116 static const char *space = " "; 3117 3118 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) { 3119 if (strncmp("GET /renegcert", buf, 14) == 0) 3120 SSL_set_verify(con, 3121 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 3122 NULL); 3123 i = SSL_renegotiate(con); 3124 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i); 3125 /* Send the HelloRequest */ 3126 i = SSL_do_handshake(con); 3127 if (i <= 0) { 3128 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", 3129 SSL_get_error(con, i)); 3130 ERR_print_errors(bio_err); 3131 goto err; 3132 } 3133 /* Wait for a ClientHello to come back */ 3134 FD_ZERO(&readfds); 3135 openssl_fdset(s, &readfds); 3136 i = select(width, (void *)&readfds, NULL, NULL, NULL); 3137 if (i <= 0 || !FD_ISSET(s, &readfds)) { 3138 BIO_printf(bio_s_out, 3139 "Error waiting for client response\n"); 3140 ERR_print_errors(bio_err); 3141 goto err; 3142 } 3143 /* 3144 * We're not actually expecting any data here and we ignore 3145 * any that is sent. This is just to force the handshake that 3146 * we're expecting to come from the client. If they haven't 3147 * sent one there's not much we can do. 3148 */ 3149 BIO_gets(io, buf, bufsize - 1); 3150 } 3151 3152 BIO_puts(io, 3153 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 3154 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 3155 BIO_puts(io, "<pre>\n"); 3156 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */ 3157 BIO_puts(io, "\n"); 3158 for (i = 0; i < local_argc; i++) { 3159 const char *myp; 3160 for (myp = local_argv[i]; *myp; myp++) 3161 switch (*myp) { 3162 case '<': 3163 BIO_puts(io, "<"); 3164 break; 3165 case '>': 3166 BIO_puts(io, ">"); 3167 break; 3168 case '&': 3169 BIO_puts(io, "&"); 3170 break; 3171 default: 3172 BIO_write(io, myp, 1); 3173 break; 3174 } 3175 BIO_write(io, " ", 1); 3176 } 3177 BIO_puts(io, "\n"); 3178 3179 BIO_printf(io, 3180 "Secure Renegotiation IS%s supported\n", 3181 SSL_get_secure_renegotiation_support(con) ? 3182 "" : " NOT"); 3183 3184 /* 3185 * The following is evil and should not really be done 3186 */ 3187 BIO_printf(io, "Ciphers supported in s_server binary\n"); 3188 sk = SSL_get_ciphers(con); 3189 j = sk_SSL_CIPHER_num(sk); 3190 for (i = 0; i < j; i++) { 3191 c = sk_SSL_CIPHER_value(sk, i); 3192 BIO_printf(io, "%-11s:%-25s ", 3193 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 3194 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 3195 BIO_puts(io, "\n"); 3196 } 3197 BIO_puts(io, "\n"); 3198 p = SSL_get_shared_ciphers(con, buf, bufsize); 3199 if (p != NULL) { 3200 BIO_printf(io, 3201 "---\nCiphers common between both SSL end points:\n"); 3202 j = i = 0; 3203 while (*p) { 3204 if (*p == ':') { 3205 BIO_write(io, space, 26 - j); 3206 i++; 3207 j = 0; 3208 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 3209 } else { 3210 BIO_write(io, p, 1); 3211 j++; 3212 } 3213 p++; 3214 } 3215 BIO_puts(io, "\n"); 3216 } 3217 ssl_print_sigalgs(io, con); 3218#ifndef OPENSSL_NO_EC 3219 ssl_print_groups(io, con, 0); 3220#endif 3221 print_ca_names(io, con); 3222 BIO_printf(io, (SSL_session_reused(con) 3223 ? "---\nReused, " : "---\nNew, ")); 3224 c = SSL_get_current_cipher(con); 3225 BIO_printf(io, "%s, Cipher is %s\n", 3226 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 3227 SSL_SESSION_print(io, SSL_get_session(con)); 3228 BIO_printf(io, "---\n"); 3229 print_stats(io, SSL_get_SSL_CTX(con)); 3230 BIO_printf(io, "---\n"); 3231 peer = SSL_get_peer_certificate(con); 3232 if (peer != NULL) { 3233 BIO_printf(io, "Client certificate\n"); 3234 X509_print(io, peer); 3235 PEM_write_bio_X509(io, peer); 3236 X509_free(peer); 3237 peer = NULL; 3238 } else { 3239 BIO_puts(io, "no client certificate available\n"); 3240 } 3241 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n"); 3242 break; 3243 } else if ((www == 2 || www == 3) 3244 && (strncmp("GET /", buf, 5) == 0)) { 3245 BIO *file; 3246 char *p, *e; 3247 static const char *text = 3248 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 3249 3250 /* skip the '/' */ 3251 p = &(buf[5]); 3252 3253 dot = 1; 3254 for (e = p; *e != '\0'; e++) { 3255 if (e[0] == ' ') 3256 break; 3257 3258 if (e[0] == ':') { 3259 /* Windows drive. We treat this the same way as ".." */ 3260 dot = -1; 3261 break; 3262 } 3263 3264 switch (dot) { 3265 case 1: 3266 dot = (e[0] == '.') ? 2 : 0; 3267 break; 3268 case 2: 3269 dot = (e[0] == '.') ? 3 : 0; 3270 break; 3271 case 3: 3272 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0; 3273 break; 3274 } 3275 if (dot == 0) 3276 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0; 3277 } 3278 dot = (dot == 3) || (dot == -1); /* filename contains ".." 3279 * component */ 3280 3281 if (*e == '\0') { 3282 BIO_puts(io, text); 3283 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 3284 break; 3285 } 3286 *e = '\0'; 3287 3288 if (dot) { 3289 BIO_puts(io, text); 3290 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p); 3291 break; 3292 } 3293 3294 if (*p == '/' || *p == '\\') { 3295 BIO_puts(io, text); 3296 BIO_printf(io, "'%s' is an invalid path\r\n", p); 3297 break; 3298 } 3299 3300 /* if a directory, do the index thang */ 3301 if (app_isdir(p) > 0) { 3302 BIO_puts(io, text); 3303 BIO_printf(io, "'%s' is a directory\r\n", p); 3304 break; 3305 } 3306 3307 if ((file = BIO_new_file(p, "r")) == NULL) { 3308 BIO_puts(io, text); 3309 BIO_printf(io, "Error opening '%s'\r\n", p); 3310 ERR_print_errors(io); 3311 break; 3312 } 3313 3314 if (!s_quiet) 3315 BIO_printf(bio_err, "FILE:%s\n", p); 3316 3317 if (www == 2) { 3318 i = strlen(p); 3319 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 3320 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 3321 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 3322 BIO_puts(io, 3323 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 3324 else 3325 BIO_puts(io, 3326 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 3327 } 3328 /* send the file */ 3329 for (;;) { 3330 i = BIO_read(file, buf, bufsize); 3331 if (i <= 0) 3332 break; 3333 3334#ifdef RENEG 3335 total_bytes += i; 3336 BIO_printf(bio_err, "%d\n", i); 3337 if (total_bytes > 3 * 1024) { 3338 total_bytes = 0; 3339 BIO_printf(bio_err, "RENEGOTIATE\n"); 3340 SSL_renegotiate(con); 3341 } 3342#endif 3343 3344 for (j = 0; j < i;) { 3345#ifdef RENEG 3346 static count = 0; 3347 if (++count == 13) { 3348 SSL_renegotiate(con); 3349 } 3350#endif 3351 k = BIO_write(io, &(buf[j]), i - j); 3352 if (k <= 0) { 3353 if (!BIO_should_retry(io) 3354 && !SSL_waiting_for_async(con)) 3355 goto write_error; 3356 else { 3357 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 3358 } 3359 } else { 3360 j += k; 3361 } 3362 } 3363 } 3364 write_error: 3365 BIO_free(file); 3366 break; 3367 } 3368 } 3369 3370 for (;;) { 3371 i = (int)BIO_flush(io); 3372 if (i <= 0) { 3373 if (!BIO_should_retry(io)) 3374 break; 3375 } else 3376 break; 3377 } 3378 end: 3379 /* make sure we re-use sessions */ 3380 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3381 3382 err: 3383 OPENSSL_free(buf); 3384 BIO_free_all(io); 3385 return ret; 3386} 3387 3388static int rev_body(int s, int stype, int prot, unsigned char *context) 3389{ 3390 char *buf = NULL; 3391 int i; 3392 int ret = 1; 3393 SSL *con; 3394 BIO *io, *ssl_bio, *sbio; 3395 3396 buf = app_malloc(bufsize, "server rev buffer"); 3397 io = BIO_new(BIO_f_buffer()); 3398 ssl_bio = BIO_new(BIO_f_ssl()); 3399 if ((io == NULL) || (ssl_bio == NULL)) 3400 goto err; 3401 3402 /* lets make the output buffer a reasonable size */ 3403 if (!BIO_set_write_buffer_size(io, bufsize)) 3404 goto err; 3405 3406 if ((con = SSL_new(ctx)) == NULL) 3407 goto err; 3408 3409 if (s_tlsextdebug) { 3410 SSL_set_tlsext_debug_callback(con, tlsext_cb); 3411 SSL_set_tlsext_debug_arg(con, bio_s_out); 3412 } 3413 if (context != NULL 3414 && !SSL_set_session_id_context(con, context, 3415 strlen((char *)context))) { 3416 SSL_free(con); 3417 ERR_print_errors(bio_err); 3418 goto err; 3419 } 3420 3421 sbio = BIO_new_socket(s, BIO_NOCLOSE); 3422 SSL_set_bio(con, sbio, sbio); 3423 SSL_set_accept_state(con); 3424 3425 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */ 3426 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3427 BIO_push(io, ssl_bio); 3428#ifdef CHARSET_EBCDIC 3429 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3430#endif 3431 3432 if (s_debug) { 3433 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3434 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3435 } 3436 if (s_msg) { 3437#ifndef OPENSSL_NO_SSL_TRACE 3438 if (s_msg == 2) 3439 SSL_set_msg_callback(con, SSL_trace); 3440 else 3441#endif 3442 SSL_set_msg_callback(con, msg_cb); 3443 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3444 } 3445 3446 for (;;) { 3447 i = BIO_do_handshake(io); 3448 if (i > 0) 3449 break; 3450 if (!BIO_should_retry(io)) { 3451 BIO_puts(bio_err, "CONNECTION FAILURE\n"); 3452 ERR_print_errors(bio_err); 3453 goto end; 3454 } 3455#ifndef OPENSSL_NO_SRP 3456 if (BIO_should_io_special(io) 3457 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3458 BIO_printf(bio_s_out, "LOOKUP renego during accept\n"); 3459 SRP_user_pwd_free(srp_callback_parm.user); 3460 srp_callback_parm.user = 3461 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3462 srp_callback_parm.login); 3463 if (srp_callback_parm.user) 3464 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3465 srp_callback_parm.user->info); 3466 else 3467 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3468 continue; 3469 } 3470#endif 3471 } 3472 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n"); 3473 print_ssl_summary(con); 3474 3475 for (;;) { 3476 i = BIO_gets(io, buf, bufsize - 1); 3477 if (i < 0) { /* error */ 3478 if (!BIO_should_retry(io)) { 3479 if (!s_quiet) 3480 ERR_print_errors(bio_err); 3481 goto err; 3482 } else { 3483 BIO_printf(bio_s_out, "read R BLOCK\n"); 3484#ifndef OPENSSL_NO_SRP 3485 if (BIO_should_io_special(io) 3486 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3487 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 3488 SRP_user_pwd_free(srp_callback_parm.user); 3489 srp_callback_parm.user = 3490 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3491 srp_callback_parm.login); 3492 if (srp_callback_parm.user) 3493 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3494 srp_callback_parm.user->info); 3495 else 3496 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3497 continue; 3498 } 3499#endif 3500#if !defined(OPENSSL_SYS_MSDOS) 3501 sleep(1); 3502#endif 3503 continue; 3504 } 3505 } else if (i == 0) { /* end of input */ 3506 ret = 1; 3507 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3508 goto end; 3509 } else { 3510 char *p = buf + i - 1; 3511 while (i && (*p == '\n' || *p == '\r')) { 3512 p--; 3513 i--; 3514 } 3515 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) { 3516 ret = 1; 3517 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3518 goto end; 3519 } 3520 BUF_reverse((unsigned char *)buf, NULL, i); 3521 buf[i] = '\n'; 3522 BIO_write(io, buf, i + 1); 3523 for (;;) { 3524 i = BIO_flush(io); 3525 if (i > 0) 3526 break; 3527 if (!BIO_should_retry(io)) 3528 goto end; 3529 } 3530 } 3531 } 3532 end: 3533 /* make sure we re-use sessions */ 3534 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3535 3536 err: 3537 3538 OPENSSL_free(buf); 3539 BIO_free_all(io); 3540 return ret; 3541} 3542 3543#define MAX_SESSION_ID_ATTEMPTS 10 3544static int generate_session_id(SSL *ssl, unsigned char *id, 3545 unsigned int *id_len) 3546{ 3547 unsigned int count = 0; 3548 do { 3549 if (RAND_bytes(id, *id_len) <= 0) 3550 return 0; 3551 /* 3552 * Prefix the session_id with the required prefix. NB: If our prefix 3553 * is too long, clip it - but there will be worse effects anyway, eg. 3554 * the server could only possibly create 1 session ID (ie. the 3555 * prefix!) so all future session negotiations will fail due to 3556 * conflicts. 3557 */ 3558 memcpy(id, session_id_prefix, 3559 (strlen(session_id_prefix) < *id_len) ? 3560 strlen(session_id_prefix) : *id_len); 3561 } 3562 while (SSL_has_matching_session_id(ssl, id, *id_len) && 3563 (++count < MAX_SESSION_ID_ATTEMPTS)); 3564 if (count >= MAX_SESSION_ID_ATTEMPTS) 3565 return 0; 3566 return 1; 3567} 3568 3569/* 3570 * By default s_server uses an in-memory cache which caches SSL_SESSION 3571 * structures without any serialisation. This hides some bugs which only 3572 * become apparent in deployed servers. By implementing a basic external 3573 * session cache some issues can be debugged using s_server. 3574 */ 3575 3576typedef struct simple_ssl_session_st { 3577 unsigned char *id; 3578 unsigned int idlen; 3579 unsigned char *der; 3580 int derlen; 3581 struct simple_ssl_session_st *next; 3582} simple_ssl_session; 3583 3584static simple_ssl_session *first = NULL; 3585 3586static int add_session(SSL *ssl, SSL_SESSION *session) 3587{ 3588 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session"); 3589 unsigned char *p; 3590 3591 SSL_SESSION_get_id(session, &sess->idlen); 3592 sess->derlen = i2d_SSL_SESSION(session, NULL); 3593 if (sess->derlen < 0) { 3594 BIO_printf(bio_err, "Error encoding session\n"); 3595 OPENSSL_free(sess); 3596 return 0; 3597 } 3598 3599 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); 3600 sess->der = app_malloc(sess->derlen, "get session buffer"); 3601 if (!sess->id) { 3602 BIO_printf(bio_err, "Out of memory adding to external cache\n"); 3603 OPENSSL_free(sess->id); 3604 OPENSSL_free(sess->der); 3605 OPENSSL_free(sess); 3606 return 0; 3607 } 3608 p = sess->der; 3609 3610 /* Assume it still works. */ 3611 if (i2d_SSL_SESSION(session, &p) != sess->derlen) { 3612 BIO_printf(bio_err, "Unexpected session encoding length\n"); 3613 OPENSSL_free(sess->id); 3614 OPENSSL_free(sess->der); 3615 OPENSSL_free(sess); 3616 return 0; 3617 } 3618 3619 sess->next = first; 3620 first = sess; 3621 BIO_printf(bio_err, "New session added to external cache\n"); 3622 return 0; 3623} 3624 3625static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen, 3626 int *do_copy) 3627{ 3628 simple_ssl_session *sess; 3629 *do_copy = 0; 3630 for (sess = first; sess; sess = sess->next) { 3631 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) { 3632 const unsigned char *p = sess->der; 3633 BIO_printf(bio_err, "Lookup session: cache hit\n"); 3634 return d2i_SSL_SESSION(NULL, &p, sess->derlen); 3635 } 3636 } 3637 BIO_printf(bio_err, "Lookup session: cache miss\n"); 3638 return NULL; 3639} 3640 3641static void del_session(SSL_CTX *sctx, SSL_SESSION *session) 3642{ 3643 simple_ssl_session *sess, *prev = NULL; 3644 const unsigned char *id; 3645 unsigned int idlen; 3646 id = SSL_SESSION_get_id(session, &idlen); 3647 for (sess = first; sess; sess = sess->next) { 3648 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) { 3649 if (prev) 3650 prev->next = sess->next; 3651 else 3652 first = sess->next; 3653 OPENSSL_free(sess->id); 3654 OPENSSL_free(sess->der); 3655 OPENSSL_free(sess); 3656 return; 3657 } 3658 prev = sess; 3659 } 3660} 3661 3662static void init_session_cache_ctx(SSL_CTX *sctx) 3663{ 3664 SSL_CTX_set_session_cache_mode(sctx, 3665 SSL_SESS_CACHE_NO_INTERNAL | 3666 SSL_SESS_CACHE_SERVER); 3667 SSL_CTX_sess_set_new_cb(sctx, add_session); 3668 SSL_CTX_sess_set_get_cb(sctx, get_session); 3669 SSL_CTX_sess_set_remove_cb(sctx, del_session); 3670} 3671 3672static void free_sessions(void) 3673{ 3674 simple_ssl_session *sess, *tsess; 3675 for (sess = first; sess;) { 3676 OPENSSL_free(sess->id); 3677 OPENSSL_free(sess->der); 3678 tsess = sess; 3679 sess = sess->next; 3680 OPENSSL_free(tsess); 3681 } 3682 first = NULL; 3683} 3684 3685#endif /* OPENSSL_NO_SOCK */ 3686