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.
6 * Licensed under the Apache License 2.0 (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
17 /* Included before async.h to avoid some warnings */
21 #include <openssl/e_os2.h>
22 #include <openssl/async.h>
23 #include <openssl/ssl.h>
24 #include <openssl/decoder.h>
26 #ifndef OPENSSL_NO_SOCK
29 * With IPv6, it looks like Digital has mixed up the proper order of
30 * recursive header file inclusion, resulting in the compiler complaining
31 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
32 * needed to have fileno() declared correctly... So let's define u_int
34 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
36 typedef unsigned int u_int;
39 #include <openssl/bn.h>
42 #include <openssl/err.h>
43 #include <openssl/pem.h>
44 #include <openssl/x509.h>
45 #include <openssl/rand.h>
46 #include <openssl/ocsp.h>
48 # include <openssl/dh.h>
50 #include <openssl/rsa.h>
54 #include <openssl/ebcdic.h>
56 #include "internal/sockets.h"
58 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
59 static int sv_body(int s, int stype, int prot, unsigned char *context);
60 static int www_body(int s, int stype, int prot, unsigned char *context);
61 static int rev_body(int s, int stype, int prot, unsigned char *context);
62 static void close_accept_socket(void);
63 static int init_ssl_connection(SSL *s);
64 static void print_stats(BIO *bp, SSL_CTX *ctx);
65 static int generate_session_id(SSL *ssl, unsigned char *id,
66 unsigned int *id_len);
67 static void init_session_cache_ctx(SSL_CTX *sctx);
68 static void free_sessions(void);
69 static void print_connection_info(SSL *con);
71 static const int bufsize = 16 * 1024;
72 static int accept_socket = -1;
74 #define TEST_CERT "server.pem"
75 #define TEST_CERT2 "server2.pem"
77 static int s_nbio = 0;
78 static int s_nbio_test = 0;
79 static int s_crlf = 0;
80 static SSL_CTX *ctx = NULL;
81 static SSL_CTX *ctx2 = NULL;
84 static BIO *bio_s_out = NULL;
85 static BIO *bio_s_msg = NULL;
86 static int s_debug = 0;
87 static int s_tlsextdebug = 0;
89 static int s_quiet = 0;
90 static int s_ign_eof = 0;
91 static int s_brief = 0;
93 static char *keymatexportlabel = NULL;
94 static int keymatexportlen = 20;
98 static int use_sendfile = 0;
99 static int use_zc_sendfile = 0;
101 static const char *session_id_prefix = NULL;
103 #ifndef OPENSSL_NO_DTLS
104 static int enable_timeouts = 0;
105 static long socket_mtu;
109 * We define this but make it always be 0 in no-dtls builds to simplify the
112 static int dtlslisten = 0;
113 static int stateless = 0;
115 static int early_data = 0;
116 static SSL_SESSION *psksess = NULL;
118 static char *psk_identity = "Client_identity";
119 char *psk_key = NULL; /* by default PSK is not used */
121 static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
123 #ifndef OPENSSL_NO_PSK
124 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
126 unsigned int max_psk_len)
132 BIO_printf(bio_s_out, "psk_server_cb\n");
134 if (!SSL_is_dtls(ssl) && SSL_version(ssl) >= TLS1_3_VERSION) {
136 * This callback is designed for use in (D)TLSv1.2 (or below). It is
137 * possible to use a single callback for all protocol versions - but it
138 * is preferred to use a dedicated callback for TLSv1.3. For TLSv1.3 we
139 * have psk_find_session_cb.
144 if (identity == NULL) {
145 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
149 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
150 (int)strlen(identity), identity);
152 /* here we could lookup the given identity e.g. from a database */
153 if (strcmp(identity, psk_identity) != 0) {
154 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
155 " (got '%s' expected '%s')\n", identity, psk_identity);
158 BIO_printf(bio_s_out, "PSK client identity found\n");
161 /* convert the PSK key to binary */
162 key = OPENSSL_hexstr2buf(psk_key, &key_len);
164 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
168 if (key_len > (int)max_psk_len) {
170 "psk buffer of callback is too small (%d) for key (%ld)\n",
171 max_psk_len, key_len);
176 memcpy(psk, key, key_len);
180 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
184 BIO_printf(bio_err, "Error in PSK server callback\n");
185 (void)BIO_flush(bio_err);
186 (void)BIO_flush(bio_s_out);
191 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
192 size_t identity_len, SSL_SESSION **sess)
194 SSL_SESSION *tmpsess = NULL;
197 const SSL_CIPHER *cipher = NULL;
199 if (strlen(psk_identity) != identity_len
200 || memcmp(psk_identity, identity, identity_len) != 0) {
205 if (psksess != NULL) {
206 SSL_SESSION_up_ref(psksess);
211 key = OPENSSL_hexstr2buf(psk_key, &key_len);
213 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
218 /* We default to SHA256 */
219 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
220 if (cipher == NULL) {
221 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
226 tmpsess = SSL_SESSION_new();
228 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
229 || !SSL_SESSION_set_cipher(tmpsess, cipher)
230 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
240 #ifndef OPENSSL_NO_SRP
241 static srpsrvparm srp_callback_parm;
244 static int local_argc = 0;
245 static char **local_argv;
247 #ifdef CHARSET_EBCDIC
248 static int ebcdic_new(BIO *bi);
249 static int ebcdic_free(BIO *a);
250 static int ebcdic_read(BIO *b, char *out, int outl);
251 static int ebcdic_write(BIO *b, const char *in, int inl);
252 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
253 static int ebcdic_gets(BIO *bp, char *buf, int size);
254 static int ebcdic_puts(BIO *bp, const char *str);
256 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
257 static BIO_METHOD *methods_ebcdic = NULL;
259 /* This struct is "unwarranted chumminess with the compiler." */
265 static const BIO_METHOD *BIO_f_ebcdic_filter()
267 if (methods_ebcdic == NULL) {
268 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
269 "EBCDIC/ASCII filter");
270 if (methods_ebcdic == NULL
271 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
272 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
273 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
274 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
275 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
276 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
277 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
280 return methods_ebcdic;
283 static int ebcdic_new(BIO *bi)
285 EBCDIC_OUTBUFF *wbuf;
287 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
288 wbuf->alloced = 1024;
289 wbuf->buff[0] = '\0';
291 BIO_set_data(bi, wbuf);
296 static int ebcdic_free(BIO *a)
298 EBCDIC_OUTBUFF *wbuf;
302 wbuf = BIO_get_data(a);
304 BIO_set_data(a, NULL);
310 static int ebcdic_read(BIO *b, char *out, int outl)
313 BIO *next = BIO_next(b);
315 if (out == NULL || outl == 0)
320 ret = BIO_read(next, out, outl);
322 ascii2ebcdic(out, out, ret);
326 static int ebcdic_write(BIO *b, const char *in, int inl)
328 EBCDIC_OUTBUFF *wbuf;
329 BIO *next = BIO_next(b);
333 if ((in == NULL) || (inl <= 0))
338 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
340 if (inl > (num = wbuf->alloced)) {
341 num = num + num; /* double the size */
345 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
348 wbuf->buff[0] = '\0';
350 BIO_set_data(b, wbuf);
353 ebcdic2ascii(wbuf->buff, in, inl);
355 ret = BIO_write(next, wbuf->buff, inl);
360 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
363 BIO *next = BIO_next(b);
372 ret = BIO_ctrl(next, cmd, num, ptr);
378 static int ebcdic_gets(BIO *bp, char *buf, int size)
381 BIO *next = BIO_next(bp);
385 /* return(BIO_gets(bp->next_bio,buf,size));*/
386 for (i = 0; i < size - 1; ++i) {
387 ret = ebcdic_read(bp, &buf[i], 1);
390 else if (buf[i] == '\n') {
397 return (ret < 0 && i == 0) ? ret : i;
400 static int ebcdic_puts(BIO *bp, const char *str)
402 if (BIO_next(bp) == NULL)
404 return ebcdic_write(bp, str, strlen(str));
408 /* This is a context that we pass to callbacks */
409 typedef struct tlsextctx_st {
415 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
417 tlsextctx *p = (tlsextctx *) arg;
418 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
420 if (servername != NULL && p->biodebug != NULL) {
421 const char *cp = servername;
424 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
425 while ((uc = *cp++) != 0)
426 BIO_printf(p->biodebug,
427 (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
428 BIO_printf(p->biodebug, "\"\n");
431 if (p->servername == NULL)
432 return SSL_TLSEXT_ERR_NOACK;
434 if (servername != NULL) {
435 if (OPENSSL_strcasecmp(servername, p->servername))
436 return p->extension_error;
438 BIO_printf(p->biodebug, "Switching server context.\n");
439 SSL_set_SSL_CTX(s, ctx2);
442 return SSL_TLSEXT_ERR_OK;
445 /* Structure passed to cert status callback */
446 typedef struct tlsextstatusctx_st {
448 /* File to load OCSP Response from (or NULL if no file) */
450 /* Default responder to use */
451 char *host, *path, *port;
452 char *proxy, *no_proxy;
457 static tlsextstatusctx tlscstatp = { -1 };
459 #ifndef OPENSSL_NO_OCSP
462 * Helper function to get an OCSP_RESPONSE from a responder. This is a
463 * simplified version. It examines certificates each time and makes one OCSP
464 * responder query for each request. A full version would store details such as
465 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
466 * them until they were considered "expired".
468 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
469 OCSP_RESPONSE **resp)
471 char *host = NULL, *port = NULL, *path = NULL;
472 char *proxy = NULL, *no_proxy = NULL;
474 STACK_OF(OPENSSL_STRING) *aia = NULL;
476 X509_STORE_CTX *inctx = NULL;
478 OCSP_REQUEST *req = NULL;
479 OCSP_CERTID *id = NULL;
480 STACK_OF(X509_EXTENSION) *exts;
481 int ret = SSL_TLSEXT_ERR_NOACK;
484 /* Build up OCSP query from server certificate */
485 x = SSL_get_certificate(s);
486 aia = X509_get1_ocsp(x);
488 if (!OSSL_HTTP_parse_url(sk_OPENSSL_STRING_value(aia, 0), &use_ssl,
489 NULL, &host, &port, NULL, &path, NULL, NULL)) {
490 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
494 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
495 sk_OPENSSL_STRING_value(aia, 0));
497 if (srctx->host == NULL) {
499 "cert_status: no AIA and no default responder URL\n");
505 use_ssl = srctx->use_ssl;
507 proxy = srctx->proxy;
508 no_proxy = srctx->no_proxy;
510 inctx = X509_STORE_CTX_new();
513 if (!X509_STORE_CTX_init(inctx,
514 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
517 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
518 X509_get_issuer_name(x));
520 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
523 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
524 X509_OBJECT_free(obj);
527 req = OCSP_REQUEST_new();
530 if (!OCSP_request_add0_id(req, id))
533 /* Add any extensions to the request */
534 SSL_get_tlsext_status_exts(s, &exts);
535 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
536 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
537 if (!OCSP_REQUEST_add_ext(req, ext, -1))
540 *resp = process_responder(req, host, port, path, proxy, no_proxy,
541 use_ssl, NULL /* headers */, srctx->timeout);
543 BIO_puts(bio_err, "cert_status: error querying responder\n");
547 ret = SSL_TLSEXT_ERR_OK;
551 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
554 * If we parsed aia we need to free; otherwise they were copied and we
561 X509_email_free(aia);
563 OCSP_CERTID_free(id);
564 OCSP_REQUEST_free(req);
565 X509_STORE_CTX_free(inctx);
570 * Certificate Status callback. This is called when a client includes a
571 * certificate status request extension. The response is either obtained from a
572 * file, or from an OCSP responder.
574 static int cert_status_cb(SSL *s, void *arg)
576 tlsextstatusctx *srctx = arg;
577 OCSP_RESPONSE *resp = NULL;
578 unsigned char *rspder = NULL;
580 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
583 BIO_puts(bio_err, "cert_status: callback called\n");
585 if (srctx->respin != NULL) {
586 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
587 if (derbio == NULL) {
588 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
591 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
594 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
598 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
599 if (ret != SSL_TLSEXT_ERR_OK)
603 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
607 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
608 if (srctx->verbose) {
609 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
610 OCSP_RESPONSE_print(bio_err, resp, 2);
613 ret = SSL_TLSEXT_ERR_OK;
616 if (ret != SSL_TLSEXT_ERR_OK)
617 ERR_print_errors(bio_err);
619 OCSP_RESPONSE_free(resp);
625 #ifndef OPENSSL_NO_NEXTPROTONEG
626 /* This is the context that we pass to next_proto_cb */
627 typedef struct tlsextnextprotoctx_st {
630 } tlsextnextprotoctx;
632 static int next_proto_cb(SSL *s, const unsigned char **data,
633 unsigned int *len, void *arg)
635 tlsextnextprotoctx *next_proto = arg;
637 *data = next_proto->data;
638 *len = next_proto->len;
640 return SSL_TLSEXT_ERR_OK;
642 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
644 /* This the context that we pass to alpn_cb */
645 typedef struct tlsextalpnctx_st {
650 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
651 const unsigned char *in, unsigned int inlen, void *arg)
653 tlsextalpnctx *alpn_ctx = arg;
656 /* We can assume that |in| is syntactically valid. */
658 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
659 for (i = 0; i < inlen;) {
661 BIO_write(bio_s_out, ", ", 2);
662 BIO_write(bio_s_out, &in[i + 1], in[i]);
665 BIO_write(bio_s_out, "\n", 1);
668 if (SSL_select_next_proto
669 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
670 inlen) != OPENSSL_NPN_NEGOTIATED) {
671 return SSL_TLSEXT_ERR_ALERT_FATAL;
675 BIO_printf(bio_s_out, "ALPN protocols selected: ");
676 BIO_write(bio_s_out, *out, *outlen);
677 BIO_write(bio_s_out, "\n", 1);
680 return SSL_TLSEXT_ERR_OK;
683 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
685 /* disable resumption for sessions with forward secure ciphers */
686 return is_forward_secure;
689 typedef enum OPTION_choice {
692 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
693 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
694 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
695 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
696 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
697 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
698 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
699 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
701 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
702 OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
703 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
704 OPT_STATUS_TIMEOUT, OPT_PROXY, OPT_NO_PROXY, OPT_STATUS_URL,
705 OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
706 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
707 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
708 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
709 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
710 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
711 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
712 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
713 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
714 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
715 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_SENDFILE,
716 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
717 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
718 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
719 OPT_HTTP_SERVER_BINMODE, OPT_NOCANAMES, OPT_IGNORE_UNEXPECTED_EOF, OPT_KTLS,
721 OPT_TFO, OPT_CERT_COMP,
729 const OPTIONS s_server_options[] = {
730 OPT_SECTION("General"),
731 {"help", OPT_HELP, '-', "Display this summary"},
732 {"ssl_config", OPT_SSL_CONFIG, 's',
733 "Configure SSL_CTX using the given configuration value"},
734 #ifndef OPENSSL_NO_SSL_TRACE
735 {"trace", OPT_TRACE, '-', "trace protocol messages"},
737 #ifndef OPENSSL_NO_ENGINE
738 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
741 OPT_SECTION("Network"),
742 {"port", OPT_PORT, 'p',
743 "TCP/IP port to listen on for connections (default is " PORT ")"},
744 {"accept", OPT_ACCEPT, 's',
745 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
747 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
748 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
750 {"4", OPT_4, '-', "Use IPv4 only"},
751 {"6", OPT_6, '-', "Use IPv6 only"},
752 #if defined(TCP_FASTOPEN) && !defined(OPENSSL_NO_TFO)
753 {"tfo", OPT_TFO, '-', "Listen for TCP Fast Open connections"},
756 OPT_SECTION("Identity"),
757 {"context", OPT_CONTEXT, 's', "Set session ID context"},
758 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
759 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
760 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
761 {"no-CAfile", OPT_NOCAFILE, '-',
762 "Do not load the default certificates file"},
763 {"no-CApath", OPT_NOCAPATH, '-',
764 "Do not load certificates from the default certificates directory"},
765 {"no-CAstore", OPT_NOCASTORE, '-',
766 "Do not load certificates from the default certificates store URI"},
767 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
768 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
769 {"Verify", OPT_UPPER_V_VERIFY, 'n',
770 "Turn on peer certificate verification, must have a cert"},
771 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
772 {"cert", OPT_CERT, '<', "Server certificate file to use; default " TEST_CERT},
773 {"cert2", OPT_CERT2, '<',
774 "Certificate file to use for servername; default " TEST_CERT2},
775 {"certform", OPT_CERTFORM, 'F',
776 "Server certificate file format (PEM/DER/P12); has no effect"},
777 {"cert_chain", OPT_CERT_CHAIN, '<',
778 "Server certificate chain file in PEM format"},
779 {"build_chain", OPT_BUILD_CHAIN, '-', "Build server certificate chain"},
780 {"serverinfo", OPT_SERVERINFO, 's',
781 "PEM serverinfo file for certificate"},
782 {"key", OPT_KEY, 's',
783 "Private key file to use; default is -cert file or else" TEST_CERT},
784 {"key2", OPT_KEY2, '<',
785 "-Private Key file to use for servername if not in -cert2"},
786 {"keyform", OPT_KEYFORM, 'f', "Key format (ENGINE, other values ignored)"},
787 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
788 {"dcert", OPT_DCERT, '<',
789 "Second server certificate file to use (usually for DSA)"},
790 {"dcertform", OPT_DCERTFORM, 'F',
791 "Second server certificate file format (PEM/DER/P12); has no effect"},
792 {"dcert_chain", OPT_DCERT_CHAIN, '<',
793 "second server certificate chain file in PEM format"},
794 {"dkey", OPT_DKEY, '<',
795 "Second private key file to use (usually for DSA)"},
796 {"dkeyform", OPT_DKEYFORM, 'F',
797 "Second key file format (ENGINE, other values ignored)"},
798 {"dpass", OPT_DPASS, 's',
799 "Second private key and cert file pass phrase source"},
800 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
801 {"servername", OPT_SERVERNAME, 's',
802 "Servername for HostName TLS extension"},
803 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
804 "On servername mismatch send fatal alert (default warning alert)"},
805 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
806 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
807 {"quiet", OPT_QUIET, '-', "No server output"},
808 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
809 "Disable caching and tickets if ephemeral (EC)DH is used"},
810 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
811 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
812 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
813 "Do not treat lack of close_notify from a peer as an error"},
814 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
815 "Hex dump of all TLS extensions received"},
816 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
817 {"id_prefix", OPT_ID_PREFIX, 's',
818 "Generate SSL/TLS session IDs prefixed by arg"},
819 {"keymatexport", OPT_KEYMATEXPORT, 's',
820 "Export keying material using label"},
821 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
822 "Export len bytes of keying material; default 20"},
823 {"CRL", OPT_CRL, '<', "CRL file to use"},
824 {"CRLform", OPT_CRLFORM, 'F', "CRL file format (PEM or DER); default PEM"},
825 {"crl_download", OPT_CRL_DOWNLOAD, '-',
826 "Download CRLs from distribution points in certificate CDP entries"},
827 {"chainCAfile", OPT_CHAINCAFILE, '<',
828 "CA file for certificate chain (PEM format)"},
829 {"chainCApath", OPT_CHAINCAPATH, '/',
830 "use dir as certificate store path to build CA certificate chain"},
831 {"chainCAstore", OPT_CHAINCASTORE, ':',
832 "use URI as certificate store to build CA certificate chain"},
833 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
834 "CA file for certificate verification (PEM format)"},
835 {"verifyCApath", OPT_VERIFYCAPATH, '/',
836 "use dir as certificate store path to verify CA certificate"},
837 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
838 "use URI as certificate store to verify CA certificate"},
839 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
840 {"ext_cache", OPT_EXT_CACHE, '-',
841 "Disable internal cache, set up and use external cache"},
842 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
843 "Close connection on verification error"},
844 {"verify_quiet", OPT_VERIFY_QUIET, '-',
845 "No verify output except verify errors"},
846 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input EOF (default when -quiet)"},
847 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input EOF"},
848 #ifndef OPENSSL_NO_COMP_ALG
849 {"cert_comp", OPT_CERT_COMP, '-', "Pre-compress server certificates"},
852 #ifndef OPENSSL_NO_OCSP
854 {"status", OPT_STATUS, '-', "Request certificate status from server"},
855 {"status_verbose", OPT_STATUS_VERBOSE, '-',
856 "Print more output in certificate status callback"},
857 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
858 "Status request responder timeout"},
859 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
860 {"proxy", OPT_PROXY, 's',
861 "[http[s]://]host[:port][/path] of HTTP(S) proxy to use; path is ignored"},
862 {"no_proxy", OPT_NO_PROXY, 's',
863 "List of addresses of servers not to use HTTP(S) proxy for"},
865 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
866 {"status_file", OPT_STATUS_FILE, '<',
867 "File containing DER encoded OCSP Response"},
870 OPT_SECTION("Debug"),
871 {"security_debug", OPT_SECURITY_DEBUG, '-',
872 "Print output from SSL/TLS security framework"},
873 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
874 "Print more output from SSL/TLS security framework"},
875 {"brief", OPT_BRIEF, '-',
876 "Restrict output to brief summary of connection parameters"},
877 {"rev", OPT_REV, '-',
878 "act as an echo server that sends back received text reversed"},
879 {"debug", OPT_DEBUG, '-', "Print more output"},
880 {"msg", OPT_MSG, '-', "Show protocol messages"},
881 {"msgfile", OPT_MSGFILE, '>',
882 "File to send output of -msg or -trace, instead of stdout"},
883 {"state", OPT_STATE, '-', "Print the SSL states"},
884 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
885 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
886 "Maximum number of encrypt/decrypt pipelines to be used"},
887 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
888 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
890 OPT_SECTION("Network"),
891 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
892 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
893 {"mtu", OPT_MTU, 'p', "Set link-layer MTU"},
894 {"read_buf", OPT_READ_BUF, 'p',
895 "Default read buffer size to be used for connections"},
896 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
897 "Size used to split data for encrypt pipelines"},
898 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
900 OPT_SECTION("Server identity"),
901 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
902 #ifndef OPENSSL_NO_PSK
903 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
905 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
906 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
907 #ifndef OPENSSL_NO_SRP
908 {"srpvfile", OPT_SRPVFILE, '<', "(deprecated) The verifier file for SRP"},
909 {"srpuserseed", OPT_SRPUSERSEED, 's',
910 "(deprecated) A seed string for a default user salt"},
913 OPT_SECTION("Protocol and version"),
914 {"max_early_data", OPT_MAX_EARLY, 'n',
915 "The maximum number of bytes of early data as advertised in tickets"},
916 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
917 "The maximum number of bytes of early data (hard limit)"},
918 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
919 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
920 "The number of TLSv1.3 session tickets that a server will automatically issue" },
921 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
922 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
923 {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
924 {"no_ca_names", OPT_NOCANAMES, '-',
925 "Disable TLS Extension CA Names"},
926 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
927 #ifndef OPENSSL_NO_SSL3
928 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
930 #ifndef OPENSSL_NO_TLS1
931 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
933 #ifndef OPENSSL_NO_TLS1_1
934 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
936 #ifndef OPENSSL_NO_TLS1_2
937 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
939 #ifndef OPENSSL_NO_TLS1_3
940 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
942 #ifndef OPENSSL_NO_DTLS
943 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
944 {"listen", OPT_LISTEN, '-',
945 "Listen for a DTLS ClientHello with a cookie and then connect"},
947 #ifndef OPENSSL_NO_DTLS1
948 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
950 #ifndef OPENSSL_NO_DTLS1_2
951 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
953 #ifndef OPENSSL_NO_SCTP
954 {"sctp", OPT_SCTP, '-', "Use SCTP"},
955 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
957 #ifndef OPENSSL_NO_SRTP
958 {"use_srtp", OPT_SRTP_PROFILES, 's',
959 "Offer SRTP key management with a colon-separated profile list"},
961 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
962 #ifndef OPENSSL_NO_NEXTPROTONEG
963 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
964 "Set the advertised protocols for the NPN extension (comma-separated list)"},
966 {"alpn", OPT_ALPN, 's',
967 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
968 #ifndef OPENSSL_NO_KTLS
969 {"ktls", OPT_KTLS, '-', "Enable Kernel TLS for sending and receiving"},
970 {"sendfile", OPT_SENDFILE, '-', "Use sendfile to response file with -WWW"},
971 {"zerocopy_sendfile", OPT_USE_ZC_SENDFILE, '-', "Use zerocopy mode of KTLS sendfile"},
982 #define IS_PROT_FLAG(o) \
983 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
984 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
986 int s_server_main(int argc, char *argv[])
988 ENGINE *engine = NULL;
989 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
990 SSL_CONF_CTX *cctx = NULL;
991 const SSL_METHOD *meth = TLS_server_method();
992 SSL_EXCERT *exc = NULL;
993 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
994 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
995 STACK_OF(X509_CRL) *crls = NULL;
996 X509 *s_cert = NULL, *s_dcert = NULL;
997 X509_VERIFY_PARAM *vpm = NULL;
998 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
999 const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL;
1000 char *dpassarg = NULL, *dpass = NULL;
1001 char *passarg = NULL, *pass = NULL;
1002 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
1003 char *crl_file = NULL, *prog;
1005 int unlink_unix_path = 0;
1007 do_server_cb server_cb;
1008 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
1009 char *dhfile = NULL;
1011 int nocert = 0, ret = 1;
1012 int noCApath = 0, noCAfile = 0, noCAstore = 0;
1013 int s_cert_format = FORMAT_UNDEF, s_key_format = FORMAT_UNDEF;
1014 int s_dcert_format = FORMAT_UNDEF, s_dkey_format = FORMAT_UNDEF;
1015 int rev = 0, naccept = -1, sdebug = 0;
1016 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1017 int state = 0, crl_format = FORMAT_UNDEF, crl_download = 0;
1020 unsigned char *context = NULL;
1022 EVP_PKEY *s_key2 = NULL;
1023 X509 *s_cert2 = NULL;
1024 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1025 const char *ssl_config = NULL;
1026 int read_buf_len = 0;
1027 #ifndef OPENSSL_NO_NEXTPROTONEG
1028 const char *next_proto_neg_in = NULL;
1029 tlsextnextprotoctx next_proto = { NULL, 0 };
1031 const char *alpn_in = NULL;
1032 tlsextalpnctx alpn_ctx = { NULL, 0 };
1033 #ifndef OPENSSL_NO_PSK
1034 /* by default do not send a PSK identity hint */
1035 char *psk_identity_hint = NULL;
1038 #ifndef OPENSSL_NO_SRP
1039 char *srpuserseed = NULL;
1040 char *srp_verifier_file = NULL;
1042 #ifndef OPENSSL_NO_SRTP
1043 char *srtp_profiles = NULL;
1045 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1046 int s_server_verify = SSL_VERIFY_NONE;
1047 int s_server_session_id_context = 1; /* anything will do */
1048 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1049 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1050 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1051 #ifndef OPENSSL_NO_OCSP
1052 int s_tlsextstatus = 0;
1054 int no_resume_ephemeral = 0;
1055 unsigned int max_send_fragment = 0;
1056 unsigned int split_send_fragment = 0, max_pipelines = 0;
1057 const char *s_serverinfo_file = NULL;
1058 const char *keylog_file = NULL;
1059 int max_early_data = -1, recv_max_early_data = -1;
1060 char *psksessf = NULL;
1061 int no_ca_names = 0;
1062 #ifndef OPENSSL_NO_SCTP
1063 int sctp_label_bug = 0;
1065 int ignore_unexpected_eof = 0;
1066 #ifndef OPENSSL_NO_KTLS
1067 int enable_ktls = 0;
1072 /* Init of few remaining global variables */
1077 s_nbio = s_nbio_test = 0;
1086 use_zc_sendfile = 0;
1088 port = OPENSSL_strdup(PORT);
1089 cctx = SSL_CONF_CTX_new();
1090 vpm = X509_VERIFY_PARAM_new();
1091 if (port == NULL || cctx == NULL || vpm == NULL)
1093 SSL_CONF_CTX_set_flags(cctx,
1094 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1096 prog = opt_init(argc, argv, s_server_options);
1097 while ((o = opt_next()) != OPT_EOF) {
1098 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1099 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1102 if (IS_NO_PROT_FLAG(o))
1104 if (prot_opt == 1 && no_prot_opt) {
1106 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1113 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1116 opt_help(s_server_options);
1122 if (socket_family == AF_UNIX) {
1123 OPENSSL_free(host); host = NULL;
1124 OPENSSL_free(port); port = NULL;
1127 socket_family = AF_INET;
1133 if (socket_family == AF_UNIX) {
1134 OPENSSL_free(host); host = NULL;
1135 OPENSSL_free(port); port = NULL;
1138 socket_family = AF_INET6;
1141 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1147 if (socket_family == AF_UNIX) {
1148 socket_family = AF_UNSPEC;
1151 OPENSSL_free(port); port = NULL;
1152 OPENSSL_free(host); host = NULL;
1153 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1155 "%s: -port argument malformed or ambiguous\n",
1162 if (socket_family == AF_UNIX) {
1163 socket_family = AF_UNSPEC;
1166 OPENSSL_free(port); port = NULL;
1167 OPENSSL_free(host); host = NULL;
1168 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1170 "%s: -accept argument malformed or ambiguous\n",
1177 socket_family = AF_UNIX;
1178 OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
1181 OPENSSL_free(port); port = NULL;
1184 unlink_unix_path = 1;
1188 naccept = atol(opt_arg());
1191 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1192 verify_args.depth = atoi(opt_arg());
1194 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1196 case OPT_UPPER_V_VERIFY:
1198 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1199 SSL_VERIFY_CLIENT_ONCE;
1200 verify_args.depth = atoi(opt_arg());
1203 "verify depth is %d, must return a certificate\n",
1207 context = (unsigned char *)opt_arg();
1210 s_cert_file = opt_arg();
1213 if (!set_nameopt(opt_arg()))
1217 crl_file = opt_arg();
1219 case OPT_CRL_DOWNLOAD:
1222 case OPT_SERVERINFO:
1223 s_serverinfo_file = opt_arg();
1226 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_cert_format))
1230 s_key_file = opt_arg();
1233 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1237 passarg = opt_arg();
1239 case OPT_CERT_CHAIN:
1240 s_chain_file = opt_arg();
1246 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dcert_format))
1250 s_dcert_file = opt_arg();
1253 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dkey_format))
1257 dpassarg = opt_arg();
1260 s_dkey_file = opt_arg();
1262 case OPT_DCERT_CHAIN:
1263 s_dchain_file = opt_arg();
1274 case OPT_CHAINCAPATH:
1275 chCApath = opt_arg();
1277 case OPT_VERIFYCAPATH:
1278 vfyCApath = opt_arg();
1281 CAstore = opt_arg();
1286 case OPT_CHAINCASTORE:
1287 chCAstore = opt_arg();
1289 case OPT_VERIFYCASTORE:
1290 vfyCAstore = opt_arg();
1299 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1303 case OPT_S_NUM_TICKETS:
1304 case OPT_ANTI_REPLAY:
1305 case OPT_NO_ANTI_REPLAY:
1306 if (ssl_args == NULL)
1307 ssl_args = sk_OPENSSL_STRING_new_null();
1308 if (ssl_args == NULL
1309 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1310 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1311 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1316 if (!opt_verify(o, vpm))
1321 if (!args_excert(o, &exc))
1324 case OPT_VERIFY_RET_ERROR:
1325 verify_args.return_error = 1;
1327 case OPT_VERIFY_QUIET:
1328 verify_args.quiet = 1;
1330 case OPT_BUILD_CHAIN:
1339 case OPT_CHAINCAFILE:
1340 chCAfile = opt_arg();
1342 case OPT_VERIFYCAFILE:
1343 vfyCAfile = opt_arg();
1349 s_nbio = s_nbio_test = 1;
1354 case OPT_NO_IGN_EOF:
1360 case OPT_TLSEXTDEBUG:
1364 #ifndef OPENSSL_NO_OCSP
1368 case OPT_STATUS_VERBOSE:
1369 #ifndef OPENSSL_NO_OCSP
1370 s_tlsextstatus = tlscstatp.verbose = 1;
1373 case OPT_STATUS_TIMEOUT:
1374 #ifndef OPENSSL_NO_OCSP
1376 tlscstatp.timeout = atoi(opt_arg());
1380 #ifndef OPENSSL_NO_OCSP
1381 tlscstatp.proxy = opt_arg();
1385 #ifndef OPENSSL_NO_OCSP
1386 tlscstatp.no_proxy = opt_arg();
1389 case OPT_STATUS_URL:
1390 #ifndef OPENSSL_NO_OCSP
1392 if (!OSSL_HTTP_parse_url(opt_arg(), &tlscstatp.use_ssl, NULL,
1393 &tlscstatp.host, &tlscstatp.port, NULL,
1394 &tlscstatp.path, NULL, NULL)) {
1395 BIO_printf(bio_err, "Error parsing -status_url argument\n");
1400 case OPT_STATUS_FILE:
1401 #ifndef OPENSSL_NO_OCSP
1403 tlscstatp.respin = opt_arg();
1410 bio_s_msg = BIO_new_file(opt_arg(), "w");
1411 if (bio_s_msg == NULL) {
1412 BIO_printf(bio_err, "Error writing file %s\n", opt_arg());
1417 #ifndef OPENSSL_NO_SSL_TRACE
1421 case OPT_SECURITY_DEBUG:
1424 case OPT_SECURITY_DEBUG_VERBOSE:
1437 s_quiet = s_brief = verify_args.quiet = 1;
1442 case OPT_NO_RESUME_EPHEMERAL:
1443 no_resume_ephemeral = 1;
1445 case OPT_PSK_IDENTITY:
1446 psk_identity = opt_arg();
1449 #ifndef OPENSSL_NO_PSK
1450 psk_identity_hint = opt_arg();
1454 for (p = psk_key = opt_arg(); *p; p++) {
1455 if (isxdigit(_UC(*p)))
1457 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1462 psksessf = opt_arg();
1465 #ifndef OPENSSL_NO_SRP
1466 srp_verifier_file = opt_arg();
1467 if (min_version < TLS1_VERSION)
1468 min_version = TLS1_VERSION;
1471 case OPT_SRPUSERSEED:
1472 #ifndef OPENSSL_NO_SRP
1473 srpuserseed = opt_arg();
1474 if (min_version < TLS1_VERSION)
1475 min_version = TLS1_VERSION;
1490 case OPT_SSL_CONFIG:
1491 ssl_config = opt_arg();
1494 min_version = SSL3_VERSION;
1495 max_version = SSL3_VERSION;
1498 min_version = TLS1_3_VERSION;
1499 max_version = TLS1_3_VERSION;
1502 min_version = TLS1_2_VERSION;
1503 max_version = TLS1_2_VERSION;
1506 min_version = TLS1_1_VERSION;
1507 max_version = TLS1_1_VERSION;
1510 min_version = TLS1_VERSION;
1511 max_version = TLS1_VERSION;
1514 #ifndef OPENSSL_NO_DTLS
1515 meth = DTLS_server_method();
1516 socket_type = SOCK_DGRAM;
1520 #ifndef OPENSSL_NO_DTLS
1521 meth = DTLS_server_method();
1522 min_version = DTLS1_VERSION;
1523 max_version = DTLS1_VERSION;
1524 socket_type = SOCK_DGRAM;
1528 #ifndef OPENSSL_NO_DTLS
1529 meth = DTLS_server_method();
1530 min_version = DTLS1_2_VERSION;
1531 max_version = DTLS1_2_VERSION;
1532 socket_type = SOCK_DGRAM;
1536 #ifndef OPENSSL_NO_SCTP
1537 protocol = IPPROTO_SCTP;
1540 case OPT_SCTP_LABEL_BUG:
1541 #ifndef OPENSSL_NO_SCTP
1546 #ifndef OPENSSL_NO_DTLS
1547 enable_timeouts = 1;
1551 #ifndef OPENSSL_NO_DTLS
1552 socket_mtu = atol(opt_arg());
1556 #ifndef OPENSSL_NO_DTLS
1564 session_id_prefix = opt_arg();
1567 #ifndef OPENSSL_NO_ENGINE
1568 engine = setup_engine(opt_arg(), s_debug);
1575 case OPT_PROV_CASES:
1576 if (!opt_provider(o))
1579 case OPT_SERVERNAME:
1580 tlsextcbp.servername = opt_arg();
1582 case OPT_SERVERNAME_FATAL:
1583 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1586 s_cert_file2 = opt_arg();
1589 s_key_file2 = opt_arg();
1591 case OPT_NEXTPROTONEG:
1592 # ifndef OPENSSL_NO_NEXTPROTONEG
1593 next_proto_neg_in = opt_arg();
1597 alpn_in = opt_arg();
1599 case OPT_SRTP_PROFILES:
1600 #ifndef OPENSSL_NO_SRTP
1601 srtp_profiles = opt_arg();
1604 case OPT_KEYMATEXPORT:
1605 keymatexportlabel = opt_arg();
1607 case OPT_KEYMATEXPORTLEN:
1608 keymatexportlen = atoi(opt_arg());
1613 case OPT_MAX_SEND_FRAG:
1614 max_send_fragment = atoi(opt_arg());
1616 case OPT_SPLIT_SEND_FRAG:
1617 split_send_fragment = atoi(opt_arg());
1619 case OPT_MAX_PIPELINES:
1620 max_pipelines = atoi(opt_arg());
1623 read_buf_len = atoi(opt_arg());
1625 case OPT_KEYLOG_FILE:
1626 keylog_file = opt_arg();
1629 max_early_data = atoi(opt_arg());
1630 if (max_early_data < 0) {
1631 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1635 case OPT_RECV_MAX_EARLY:
1636 recv_max_early_data = atoi(opt_arg());
1637 if (recv_max_early_data < 0) {
1638 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1642 case OPT_EARLY_DATA:
1644 if (max_early_data == -1)
1645 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1647 case OPT_HTTP_SERVER_BINMODE:
1648 http_server_binmode = 1;
1654 #ifndef OPENSSL_NO_KTLS
1659 #ifndef OPENSSL_NO_KTLS
1663 case OPT_USE_ZC_SENDFILE:
1664 #ifndef OPENSSL_NO_KTLS
1665 use_zc_sendfile = 1;
1668 case OPT_IGNORE_UNEXPECTED_EOF:
1669 ignore_unexpected_eof = 1;
1680 /* No extra arguments. */
1681 if (!opt_check_rest_arg(NULL))
1684 if (!app_RAND_load())
1687 #ifndef OPENSSL_NO_NEXTPROTONEG
1688 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1689 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1693 #ifndef OPENSSL_NO_DTLS
1694 if (www && socket_type == SOCK_DGRAM) {
1695 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1699 if (dtlslisten && socket_type != SOCK_DGRAM) {
1700 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1705 if (tfo && socket_type != SOCK_STREAM) {
1706 BIO_printf(bio_err, "Can only use -tfo with TLS\n");
1710 if (stateless && socket_type != SOCK_STREAM) {
1711 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1716 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1718 "Can't use unix sockets and datagrams together\n");
1722 if (early_data && (www > 0 || rev)) {
1724 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1728 #ifndef OPENSSL_NO_SCTP
1729 if (protocol == IPPROTO_SCTP) {
1730 if (socket_type != SOCK_DGRAM) {
1731 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1734 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1735 socket_type = SOCK_STREAM;
1739 #ifndef OPENSSL_NO_KTLS
1740 if (use_zc_sendfile && !use_sendfile) {
1741 BIO_printf(bio_out, "Warning: -zerocopy_sendfile depends on -sendfile, enabling -sendfile now.\n");
1745 if (use_sendfile && enable_ktls == 0) {
1746 BIO_printf(bio_out, "Warning: -sendfile depends on -ktls, enabling -ktls now.\n");
1750 if (use_sendfile && www <= 1) {
1751 BIO_printf(bio_err, "Can't use -sendfile without -WWW or -HTTP\n");
1756 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1757 BIO_printf(bio_err, "Error getting password\n");
1761 if (s_key_file == NULL)
1762 s_key_file = s_cert_file;
1764 if (s_key_file2 == NULL)
1765 s_key_file2 = s_cert_file2;
1767 if (!load_excert(&exc))
1771 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1772 "server certificate private key");
1776 s_cert = load_cert_pass(s_cert_file, s_cert_format, 1, pass,
1777 "server certificate");
1781 if (s_chain_file != NULL) {
1782 if (!load_certs(s_chain_file, 0, &s_chain, NULL,
1783 "server certificate chain"))
1787 if (tlsextcbp.servername != NULL) {
1788 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1789 "second server certificate private key");
1793 s_cert2 = load_cert_pass(s_cert_file2, s_cert_format, 1, pass,
1794 "second server certificate");
1796 if (s_cert2 == NULL)
1800 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1801 if (next_proto_neg_in) {
1802 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1803 if (next_proto.data == NULL)
1807 alpn_ctx.data = NULL;
1809 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1810 if (alpn_ctx.data == NULL)
1814 if (crl_file != NULL) {
1816 crl = load_crl(crl_file, crl_format, 0, "CRL");
1819 crls = sk_X509_CRL_new_null();
1820 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1821 BIO_puts(bio_err, "Error adding CRL\n");
1822 ERR_print_errors(bio_err);
1828 if (s_dcert_file != NULL) {
1830 if (s_dkey_file == NULL)
1831 s_dkey_file = s_dcert_file;
1833 s_dkey = load_key(s_dkey_file, s_dkey_format,
1834 0, dpass, engine, "second certificate private key");
1838 s_dcert = load_cert_pass(s_dcert_file, s_dcert_format, 1, dpass,
1839 "second server certificate");
1841 if (s_dcert == NULL) {
1842 ERR_print_errors(bio_err);
1845 if (s_dchain_file != NULL) {
1846 if (!load_certs(s_dchain_file, 0, &s_dchain, NULL,
1847 "second server certificate chain"))
1853 if (bio_s_out == NULL) {
1854 if (s_quiet && !s_debug) {
1855 bio_s_out = BIO_new(BIO_s_null());
1856 if (s_msg && bio_s_msg == NULL) {
1857 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1858 if (bio_s_msg == NULL) {
1859 BIO_printf(bio_err, "Out of memory\n");
1864 bio_s_out = dup_bio_out(FORMAT_TEXT);
1868 if (bio_s_out == NULL)
1874 s_dcert_file = NULL;
1876 s_cert_file2 = NULL;
1880 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
1882 ERR_print_errors(bio_err);
1886 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1889 ssl_ctx_security_debug(ctx, sdebug);
1891 if (!config_ctx(cctx, ssl_args, ctx))
1895 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1896 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1898 ERR_print_errors(bio_err);
1902 #ifndef OPENSSL_NO_SCTP
1903 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1904 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1907 if (min_version != 0
1908 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1910 if (max_version != 0
1911 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1914 if (session_id_prefix) {
1915 if (strlen(session_id_prefix) >= 32)
1917 "warning: id_prefix is too long, only one new session will be possible\n");
1918 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1919 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1920 ERR_print_errors(bio_err);
1923 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1926 ssl_ctx_set_excert(ctx, exc);
1929 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1931 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1933 init_session_cache_ctx(ctx);
1935 SSL_CTX_sess_set_cache_size(ctx, 128);
1938 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1942 SSL_CTX_set_options(ctx, SSL_OP_DISABLE_TLSEXT_CA_NAMES);
1945 if (ignore_unexpected_eof)
1946 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1947 #ifndef OPENSSL_NO_KTLS
1949 SSL_CTX_set_options(ctx, SSL_OP_ENABLE_KTLS);
1950 if (use_zc_sendfile)
1951 SSL_CTX_set_options(ctx, SSL_OP_ENABLE_KTLS_TX_ZEROCOPY_SENDFILE);
1954 if (max_send_fragment > 0
1955 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1956 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1957 prog, max_send_fragment);
1961 if (split_send_fragment > 0
1962 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1963 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1964 prog, split_send_fragment);
1967 if (max_pipelines > 0
1968 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1969 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1970 prog, max_pipelines);
1974 if (read_buf_len > 0) {
1975 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1977 #ifndef OPENSSL_NO_SRTP
1978 if (srtp_profiles != NULL) {
1979 /* Returns 0 on success! */
1980 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1981 BIO_printf(bio_err, "Error setting SRTP profile\n");
1982 ERR_print_errors(bio_err);
1988 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1989 CAstore, noCAstore)) {
1990 ERR_print_errors(bio_err);
1993 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1994 BIO_printf(bio_err, "Error setting verify params\n");
1995 ERR_print_errors(bio_err);
1999 ssl_ctx_add_crls(ctx, crls, 0);
2001 if (!ssl_load_stores(ctx,
2002 vfyCApath, vfyCAfile, vfyCAstore,
2003 chCApath, chCAfile, chCAstore,
2004 crls, crl_download)) {
2005 BIO_printf(bio_err, "Error loading store locations\n");
2006 ERR_print_errors(bio_err);
2011 ctx2 = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
2013 ERR_print_errors(bio_err);
2019 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
2022 ssl_ctx_security_debug(ctx2, sdebug);
2024 if (session_id_prefix) {
2025 if (strlen(session_id_prefix) >= 32)
2027 "warning: id_prefix is too long, only one new session will be possible\n");
2028 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
2029 BIO_printf(bio_err, "error setting 'id_prefix'\n");
2030 ERR_print_errors(bio_err);
2033 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
2036 ssl_ctx_set_excert(ctx2, exc);
2039 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
2042 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
2044 init_session_cache_ctx(ctx2);
2046 SSL_CTX_sess_set_cache_size(ctx2, 128);
2049 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
2051 if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath,
2052 noCApath, CAstore, noCAstore)) {
2053 ERR_print_errors(bio_err);
2056 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
2057 BIO_printf(bio_err, "Error setting verify params\n");
2058 ERR_print_errors(bio_err);
2062 ssl_ctx_add_crls(ctx2, crls, 0);
2063 if (!config_ctx(cctx, ssl_args, ctx2))
2066 #ifndef OPENSSL_NO_NEXTPROTONEG
2067 if (next_proto.data)
2068 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
2072 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
2075 EVP_PKEY *dhpkey = NULL;
2078 dhpkey = load_keyparams(dhfile, FORMAT_UNDEF, 0, "DH", "DH parameters");
2079 else if (s_cert_file != NULL)
2080 dhpkey = load_keyparams_suppress(s_cert_file, FORMAT_UNDEF, 0, "DH",
2081 "DH parameters", 1);
2083 if (dhpkey != NULL) {
2084 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2086 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
2088 (void)BIO_flush(bio_s_out);
2090 if (dhpkey == NULL) {
2091 SSL_CTX_set_dh_auto(ctx, 1);
2094 * We need 2 references: one for use by ctx and one for use by
2097 if (!EVP_PKEY_up_ref(dhpkey)) {
2098 EVP_PKEY_free(dhpkey);
2101 if (!SSL_CTX_set0_tmp_dh_pkey(ctx, dhpkey)) {
2102 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2103 ERR_print_errors(bio_err);
2104 /* Free 2 references */
2105 EVP_PKEY_free(dhpkey);
2106 EVP_PKEY_free(dhpkey);
2112 if (dhfile != NULL) {
2113 EVP_PKEY *dhpkey2 = load_keyparams_suppress(s_cert_file2,
2116 "DH parameters", 1);
2118 if (dhpkey2 != NULL) {
2119 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2120 (void)BIO_flush(bio_s_out);
2122 EVP_PKEY_free(dhpkey);
2126 if (dhpkey == NULL) {
2127 SSL_CTX_set_dh_auto(ctx2, 1);
2128 } else if (!SSL_CTX_set0_tmp_dh_pkey(ctx2, dhpkey)) {
2129 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2130 ERR_print_errors(bio_err);
2131 EVP_PKEY_free(dhpkey);
2136 EVP_PKEY_free(dhpkey);
2139 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2142 if (s_serverinfo_file != NULL
2143 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2144 ERR_print_errors(bio_err);
2149 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
2152 if (s_dcert != NULL) {
2153 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2157 if (no_resume_ephemeral) {
2158 SSL_CTX_set_not_resumable_session_callback(ctx,
2159 not_resumable_sess_cb);
2162 SSL_CTX_set_not_resumable_session_callback(ctx2,
2163 not_resumable_sess_cb);
2165 #ifndef OPENSSL_NO_PSK
2166 if (psk_key != NULL) {
2168 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2169 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2172 if (psk_identity_hint != NULL) {
2173 if (min_version == TLS1_3_VERSION) {
2174 BIO_printf(bio_s_out, "PSK warning: there is NO identity hint in TLSv1.3\n");
2176 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2177 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2178 ERR_print_errors(bio_err);
2184 if (psksessf != NULL) {
2185 BIO *stmp = BIO_new_file(psksessf, "r");
2188 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2189 ERR_print_errors(bio_err);
2192 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2194 if (psksess == NULL) {
2195 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2196 ERR_print_errors(bio_err);
2202 if (psk_key != NULL || psksess != NULL)
2203 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2205 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2206 if (!SSL_CTX_set_session_id_context(ctx,
2207 (void *)&s_server_session_id_context,
2208 sizeof(s_server_session_id_context))) {
2209 BIO_printf(bio_err, "error setting session id context\n");
2210 ERR_print_errors(bio_err);
2214 /* Set DTLS cookie generation and verification callbacks */
2215 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2216 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2218 /* Set TLS1.3 cookie generation and verification callbacks */
2219 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2220 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2223 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2224 if (!SSL_CTX_set_session_id_context(ctx2,
2225 (void *)&s_server_session_id_context,
2226 sizeof(s_server_session_id_context))) {
2227 BIO_printf(bio_err, "error setting session id context\n");
2228 ERR_print_errors(bio_err);
2231 tlsextcbp.biodebug = bio_s_out;
2232 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2233 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2234 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2235 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2238 #ifndef OPENSSL_NO_SRP
2239 if (srp_verifier_file != NULL) {
2240 if (!set_up_srp_verifier_file(ctx, &srp_callback_parm, srpuserseed,
2245 if (CAfile != NULL) {
2246 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2249 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2251 #ifndef OPENSSL_NO_OCSP
2252 if (s_tlsextstatus) {
2253 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2254 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2256 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2257 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2261 if (set_keylog_file(ctx, keylog_file))
2264 if (max_early_data >= 0)
2265 SSL_CTX_set_max_early_data(ctx, max_early_data);
2266 if (recv_max_early_data >= 0)
2267 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2270 BIO_printf(bio_s_out, "Compressing certificates\n");
2271 if (!SSL_CTX_compress_certs(ctx, 0))
2272 BIO_printf(bio_s_out, "Error compressing certs on ctx\n");
2273 if (ctx2 != NULL && !SSL_CTX_compress_certs(ctx2, 0))
2274 BIO_printf(bio_s_out, "Error compressing certs on ctx2\n");
2278 server_cb = rev_body;
2280 server_cb = www_body;
2282 server_cb = sv_body;
2284 if (socket_family == AF_UNIX
2285 && unlink_unix_path)
2289 BIO_printf(bio_s_out, "Listening for TFO\n");
2290 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2291 server_cb, context, naccept, bio_s_out, tfo);
2292 print_stats(bio_s_out, ctx);
2296 SSL_SESSION_free(psksess);
2297 set_keylog_file(NULL, NULL);
2299 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2301 EVP_PKEY_free(s_key);
2302 EVP_PKEY_free(s_dkey);
2303 OSSL_STACK_OF_X509_free(s_chain);
2304 OSSL_STACK_OF_X509_free(s_dchain);
2306 OPENSSL_free(dpass);
2309 X509_VERIFY_PARAM_free(vpm);
2311 OPENSSL_free(tlscstatp.host);
2312 OPENSSL_free(tlscstatp.port);
2313 OPENSSL_free(tlscstatp.path);
2316 EVP_PKEY_free(s_key2);
2317 #ifndef OPENSSL_NO_NEXTPROTONEG
2318 OPENSSL_free(next_proto.data);
2320 OPENSSL_free(alpn_ctx.data);
2321 ssl_excert_free(exc);
2322 sk_OPENSSL_STRING_free(ssl_args);
2323 SSL_CONF_CTX_free(cctx);
2324 release_engine(engine);
2325 BIO_free(bio_s_out);
2327 BIO_free(bio_s_msg);
2329 #ifdef CHARSET_EBCDIC
2330 BIO_meth_free(methods_ebcdic);
2335 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2337 BIO_printf(bio, "%4ld items in the session cache\n",
2338 SSL_CTX_sess_number(ssl_ctx));
2339 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2340 SSL_CTX_sess_connect(ssl_ctx));
2341 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2342 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2343 BIO_printf(bio, "%4ld client connects that finished\n",
2344 SSL_CTX_sess_connect_good(ssl_ctx));
2345 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2346 SSL_CTX_sess_accept(ssl_ctx));
2347 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2348 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2349 BIO_printf(bio, "%4ld server accepts that finished\n",
2350 SSL_CTX_sess_accept_good(ssl_ctx));
2351 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2352 BIO_printf(bio, "%4ld session cache misses\n",
2353 SSL_CTX_sess_misses(ssl_ctx));
2354 BIO_printf(bio, "%4ld session cache timeouts\n",
2355 SSL_CTX_sess_timeouts(ssl_ctx));
2356 BIO_printf(bio, "%4ld callback cache hits\n",
2357 SSL_CTX_sess_cb_hits(ssl_ctx));
2358 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2359 SSL_CTX_sess_cache_full(ssl_ctx),
2360 SSL_CTX_sess_get_cache_size(ssl_ctx));
2363 static long int count_reads_callback(BIO *bio, int cmd, const char *argp, size_t len,
2364 int argi, long argl, int ret, size_t *processed)
2366 unsigned int *p_counter = (unsigned int *)BIO_get_callback_arg(bio);
2369 case BIO_CB_READ: /* No break here */
2371 if (p_counter != NULL)
2379 BIO_set_callback_arg(bio, (char *)bio_s_out);
2380 ret = (int)bio_dump_callback(bio, cmd, argp, len, argi, argl, ret, processed);
2381 BIO_set_callback_arg(bio, (char *)p_counter);
2387 static int sv_body(int s, int stype, int prot, unsigned char *context)
2396 struct timeval timeout;
2397 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2398 struct timeval *timeoutp;
2400 #ifndef OPENSSL_NO_DTLS
2401 # ifndef OPENSSL_NO_SCTP
2402 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2404 int isdtls = (stype == SOCK_DGRAM);
2408 buf = app_malloc(bufsize, "server buffer");
2410 if (!BIO_socket_nbio(s, 1))
2411 ERR_print_errors(bio_err);
2413 BIO_printf(bio_err, "Turned on non blocking io\n");
2422 if (s_tlsextdebug) {
2423 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2424 SSL_set_tlsext_debug_arg(con, bio_s_out);
2428 && !SSL_set_session_id_context(con, context,
2429 strlen((char *)context))) {
2430 BIO_printf(bio_err, "Error setting session id context\n");
2435 if (!SSL_clear(con)) {
2436 BIO_printf(bio_err, "Error clearing SSL connection\n");
2440 #ifndef OPENSSL_NO_DTLS
2442 # ifndef OPENSSL_NO_SCTP
2443 if (prot == IPPROTO_SCTP)
2444 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2447 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2449 BIO_printf(bio_err, "Unable to create BIO\n");
2450 ERR_print_errors(bio_err);
2454 if (enable_timeouts) {
2456 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2457 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2460 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2461 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2465 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2466 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2467 DTLS_get_link_min_mtu(con));
2472 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2473 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2474 BIO_printf(bio_err, "Failed to set MTU\n");
2480 /* want to do MTU discovery */
2481 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2483 # ifndef OPENSSL_NO_SCTP
2484 if (prot != IPPROTO_SCTP)
2486 /* Turn on cookie exchange. Not necessary for SCTP */
2487 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2490 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2493 BIO_printf(bio_err, "Unable to create BIO\n");
2494 ERR_print_errors(bio_err);
2501 test = BIO_new(BIO_f_nbio_test());
2503 BIO_printf(bio_err, "Unable to create BIO\n");
2508 sbio = BIO_push(test, sbio);
2511 SSL_set_bio(con, sbio, sbio);
2512 SSL_set_accept_state(con);
2513 /* SSL_set_fd(con,s); */
2515 BIO_set_callback_ex(SSL_get_rbio(con), count_reads_callback);
2517 #ifndef OPENSSL_NO_SSL_TRACE
2519 SSL_set_msg_callback(con, SSL_trace);
2522 SSL_set_msg_callback(con, msg_cb);
2523 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2526 if (s_tlsextdebug) {
2527 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2528 SSL_set_tlsext_debug_arg(con, bio_s_out);
2532 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2535 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2537 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2538 if (edret != SSL_READ_EARLY_DATA_ERROR)
2541 switch (SSL_get_error(con, 0)) {
2542 case SSL_ERROR_WANT_WRITE:
2543 case SSL_ERROR_WANT_ASYNC:
2544 case SSL_ERROR_WANT_READ:
2545 /* Just keep trying - busy waiting */
2548 BIO_printf(bio_err, "Error reading early data\n");
2549 ERR_print_errors(bio_err);
2553 if (readbytes > 0) {
2555 BIO_printf(bio_s_out, "Early data received:\n");
2558 raw_write_stdout(buf, (unsigned int)readbytes);
2559 (void)BIO_flush(bio_s_out);
2563 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2564 BIO_printf(bio_s_out, "No early data received\n");
2566 BIO_printf(bio_s_out, "Early data was rejected\n");
2568 BIO_printf(bio_s_out, "\nEnd of early data\n");
2570 if (SSL_is_init_finished(con))
2571 print_connection_info(con);
2574 if (fileno_stdin() > s)
2575 width = fileno_stdin() + 1;
2579 int read_from_terminal;
2580 int read_from_sslcon;
2582 read_from_terminal = 0;
2583 read_from_sslcon = SSL_has_pending(con)
2584 || (async && SSL_waiting_for_async(con));
2586 if (!read_from_sslcon) {
2588 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2589 openssl_fdset(fileno_stdin(), &readfds);
2591 openssl_fdset(s, &readfds);
2593 * Note: under VMS with SOCKETSHR the second parameter is
2594 * currently of type (int *) whereas under other systems it is
2595 * (void *) if you don't have a cast it will choke the compiler:
2596 * if you do have a cast then you can either go for (int *) or
2599 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2601 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2602 * only on sockets. As a workaround we timeout the select every
2603 * second and check for any keypress. In a proper Windows
2604 * application we wouldn't do this because it is inefficient.
2607 timeout.tv_usec = 0;
2608 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2609 if (has_stdin_waiting())
2610 read_from_terminal = 1;
2611 if ((i < 0) || (!i && !read_from_terminal))
2614 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2615 timeoutp = &timeout;
2619 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2621 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2622 BIO_printf(bio_err, "TIMEOUT occurred\n");
2626 if (FD_ISSET(fileno_stdin(), &readfds))
2627 read_from_terminal = 1;
2629 if (FD_ISSET(s, &readfds))
2630 read_from_sslcon = 1;
2632 if (read_from_terminal) {
2636 i = raw_read_stdin(buf, bufsize / 2);
2638 /* both loops are skipped when i <= 0 */
2639 for (j = 0; j < i; j++)
2642 for (j = i - 1; j >= 0; j--) {
2643 buf[j + lf_num] = buf[j];
2644 if (buf[j] == '\n') {
2647 buf[j + lf_num] = '\r';
2650 assert(lf_num == 0);
2652 i = raw_read_stdin(buf, bufsize);
2655 if (!s_quiet && !s_brief) {
2656 if ((i <= 0) || (buf[0] == 'Q')) {
2657 BIO_printf(bio_s_out, "DONE\n");
2658 (void)BIO_flush(bio_s_out);
2660 close_accept_socket();
2664 if ((i <= 0) || (buf[0] == 'q')) {
2665 BIO_printf(bio_s_out, "DONE\n");
2666 (void)BIO_flush(bio_s_out);
2667 if (SSL_version(con) != DTLS1_VERSION)
2670 * close_accept_socket(); ret= -11;
2674 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2675 SSL_renegotiate(con);
2676 i = SSL_do_handshake(con);
2677 printf("SSL_do_handshake -> %d\n", i);
2681 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2683 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2685 SSL_renegotiate(con);
2686 i = SSL_do_handshake(con);
2687 printf("SSL_do_handshake -> %d\n", i);
2691 if ((buf[0] == 'K' || buf[0] == 'k')
2692 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2693 SSL_key_update(con, buf[0] == 'K' ?
2694 SSL_KEY_UPDATE_REQUESTED
2695 : SSL_KEY_UPDATE_NOT_REQUESTED);
2696 i = SSL_do_handshake(con);
2697 printf("SSL_do_handshake -> %d\n", i);
2701 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2702 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2703 i = SSL_verify_client_post_handshake(con);
2705 printf("Failed to initiate request\n");
2706 ERR_print_errors(bio_err);
2708 i = SSL_do_handshake(con);
2709 printf("SSL_do_handshake -> %d\n", i);
2714 if (buf[0] == 'P') {
2715 static const char str[] = "Lets print some clear text\n";
2716 BIO_write(SSL_get_wbio(con), str, sizeof(str) -1);
2718 if (buf[0] == 'S') {
2719 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2722 #ifdef CHARSET_EBCDIC
2723 ebcdic2ascii(buf, buf, i);
2727 /* should do a select for the write */
2730 if (++count == 100) {
2732 SSL_renegotiate(con);
2735 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2736 #ifndef OPENSSL_NO_SRP
2737 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2738 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2740 lookup_srp_user(&srp_callback_parm, bio_s_out);
2742 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2745 switch (SSL_get_error(con, k)) {
2746 case SSL_ERROR_NONE:
2748 case SSL_ERROR_WANT_ASYNC:
2749 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2750 (void)BIO_flush(bio_s_out);
2751 wait_for_async(con);
2753 case SSL_ERROR_WANT_WRITE:
2754 case SSL_ERROR_WANT_READ:
2755 case SSL_ERROR_WANT_X509_LOOKUP:
2756 BIO_printf(bio_s_out, "Write BLOCK\n");
2757 (void)BIO_flush(bio_s_out);
2759 case SSL_ERROR_WANT_ASYNC_JOB:
2761 * This shouldn't ever happen in s_server. Treat as an error
2763 case SSL_ERROR_SYSCALL:
2765 BIO_printf(bio_s_out, "ERROR\n");
2766 (void)BIO_flush(bio_s_out);
2767 ERR_print_errors(bio_err);
2771 case SSL_ERROR_ZERO_RETURN:
2772 BIO_printf(bio_s_out, "DONE\n");
2773 (void)BIO_flush(bio_s_out);
2785 if (read_from_sslcon) {
2787 * init_ssl_connection handles all async events itself so if we're
2788 * waiting for async then we shouldn't go back into
2789 * init_ssl_connection
2791 if ((!async || !SSL_waiting_for_async(con))
2792 && !SSL_is_init_finished(con)) {
2794 * Count number of reads during init_ssl_connection.
2795 * It helps us to distinguish configuration errors from errors
2796 * caused by a client.
2798 unsigned int read_counter = 0;
2800 BIO_set_callback_arg(SSL_get_rbio(con), (char *)&read_counter);
2801 i = init_ssl_connection(con);
2802 BIO_set_callback_arg(SSL_get_rbio(con), NULL);
2805 * If initialization fails without reads, then
2806 * there was a fatal error in configuration.
2808 if (i <= 0 && read_counter == 0) {
2815 } else if (i == 0) {
2821 i = SSL_read(con, (char *)buf, bufsize);
2822 #ifndef OPENSSL_NO_SRP
2823 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2824 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2826 lookup_srp_user(&srp_callback_parm, bio_s_out);
2828 i = SSL_read(con, (char *)buf, bufsize);
2831 switch (SSL_get_error(con, i)) {
2832 case SSL_ERROR_NONE:
2833 #ifdef CHARSET_EBCDIC
2834 ascii2ebcdic(buf, buf, i);
2836 raw_write_stdout(buf, (unsigned int)i);
2837 (void)BIO_flush(bio_s_out);
2838 if (SSL_has_pending(con))
2841 case SSL_ERROR_WANT_ASYNC:
2842 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2843 (void)BIO_flush(bio_s_out);
2844 wait_for_async(con);
2846 case SSL_ERROR_WANT_WRITE:
2847 case SSL_ERROR_WANT_READ:
2848 BIO_printf(bio_s_out, "Read BLOCK\n");
2849 (void)BIO_flush(bio_s_out);
2851 case SSL_ERROR_WANT_ASYNC_JOB:
2853 * This shouldn't ever happen in s_server. Treat as an error
2855 case SSL_ERROR_SYSCALL:
2857 BIO_printf(bio_s_out, "ERROR\n");
2858 (void)BIO_flush(bio_s_out);
2859 ERR_print_errors(bio_err);
2862 case SSL_ERROR_ZERO_RETURN:
2863 BIO_printf(bio_s_out, "DONE\n");
2864 (void)BIO_flush(bio_s_out);
2873 BIO_printf(bio_s_out, "shutting down SSL\n");
2874 do_ssl_shutdown(con);
2877 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2878 OPENSSL_clear_free(buf, bufsize);
2882 static void close_accept_socket(void)
2884 BIO_printf(bio_err, "shutdown accept socket\n");
2885 if (accept_socket >= 0) {
2886 BIO_closesocket(accept_socket);
2890 static int is_retryable(SSL *con, int i)
2892 int err = SSL_get_error(con, i);
2894 /* If it's not a fatal error, it must be retryable */
2895 return (err != SSL_ERROR_SSL)
2896 && (err != SSL_ERROR_SYSCALL)
2897 && (err != SSL_ERROR_ZERO_RETURN);
2900 static int init_ssl_connection(SSL *con)
2906 if (dtlslisten || stateless) {
2907 BIO_ADDR *client = NULL;
2910 if ((client = BIO_ADDR_new()) == NULL) {
2911 BIO_printf(bio_err, "ERROR - memory\n");
2914 i = DTLSv1_listen(con, client);
2916 i = SSL_stateless(con);
2923 wbio = SSL_get_wbio(con);
2925 BIO_get_fd(wbio, &fd);
2928 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2929 BIO_printf(bio_err, "ERROR - unable to connect\n");
2930 BIO_ADDR_free(client);
2934 (void)BIO_ctrl_set_connected(wbio, client);
2935 BIO_ADDR_free(client);
2940 i = SSL_accept(con);
2942 BIO_ADDR_free(client);
2946 i = SSL_accept(con);
2949 retry = is_retryable(con, i);
2950 #ifdef CERT_CB_TEST_RETRY
2953 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2954 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2956 "LOOKUP from certificate callback during accept\n");
2957 i = SSL_accept(con);
2959 retry = is_retryable(con, i);
2964 #ifndef OPENSSL_NO_SRP
2966 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2967 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2968 srp_callback_parm.login);
2970 lookup_srp_user(&srp_callback_parm, bio_s_out);
2972 i = SSL_accept(con);
2974 retry = is_retryable(con, i);
2977 } while (i < 0 && SSL_waiting_for_async(con));
2981 if (((dtlslisten || stateless) && i == 0)
2982 || (!dtlslisten && !stateless && retry)) {
2983 BIO_printf(bio_s_out, "DELAY\n");
2987 BIO_printf(bio_err, "ERROR\n");
2989 verify_err = SSL_get_verify_result(con);
2990 if (verify_err != X509_V_OK) {
2991 BIO_printf(bio_err, "verify error:%s\n",
2992 X509_verify_cert_error_string(verify_err));
2994 /* Always print any error messages */
2995 ERR_print_errors(bio_err);
2999 print_connection_info(con);
3003 static void print_connection_info(SSL *con)
3008 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3009 const unsigned char *next_proto_neg;
3010 unsigned next_proto_neg_len;
3012 unsigned char *exportedkeymat;
3016 print_ssl_summary(con);
3018 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
3020 peer = SSL_get0_peer_certificate(con);
3022 BIO_printf(bio_s_out, "Client certificate\n");
3023 PEM_write_bio_X509(bio_s_out, peer);
3024 dump_cert_text(bio_s_out, peer);
3028 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
3029 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
3030 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
3031 ssl_print_sigalgs(bio_s_out, con);
3032 #ifndef OPENSSL_NO_EC
3033 ssl_print_point_formats(bio_s_out, con);
3034 ssl_print_groups(bio_s_out, con, 0);
3036 print_ca_names(bio_s_out, con);
3037 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
3039 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3040 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
3041 if (next_proto_neg) {
3042 BIO_printf(bio_s_out, "NEXTPROTO is ");
3043 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
3044 BIO_printf(bio_s_out, "\n");
3047 #ifndef OPENSSL_NO_SRTP
3049 SRTP_PROTECTION_PROFILE *srtp_profile
3050 = SSL_get_selected_srtp_profile(con);
3053 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
3054 srtp_profile->name);
3057 if (SSL_session_reused(con))
3058 BIO_printf(bio_s_out, "Reused session-id\n");
3060 ssl_print_secure_renegotiation_notes(bio_s_out, con);
3062 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
3063 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
3065 if (keymatexportlabel != NULL) {
3066 BIO_printf(bio_s_out, "Keying material exporter:\n");
3067 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
3068 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
3069 exportedkeymat = app_malloc(keymatexportlen, "export key");
3070 if (SSL_export_keying_material(con, exportedkeymat,
3073 strlen(keymatexportlabel),
3075 BIO_printf(bio_s_out, " Error\n");
3077 BIO_printf(bio_s_out, " Keying material: ");
3078 for (i = 0; i < keymatexportlen; i++)
3079 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
3080 BIO_printf(bio_s_out, "\n");
3082 OPENSSL_free(exportedkeymat);
3084 #ifndef OPENSSL_NO_KTLS
3085 if (BIO_get_ktls_send(SSL_get_wbio(con)))
3086 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3087 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
3088 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
3091 (void)BIO_flush(bio_s_out);
3094 static int www_body(int s, int stype, int prot, unsigned char *context)
3096 char *buf = NULL, *p;
3100 const SSL_CIPHER *c;
3101 BIO *io, *ssl_bio, *sbio;
3103 int total_bytes = 0;
3106 #ifndef OPENSSL_NO_KTLS
3107 int use_sendfile_for_req = use_sendfile;
3111 #ifdef CHARSET_EBCDIC
3115 /* Set width for a select call if needed */
3118 /* as we use BIO_gets(), and it always null terminates data, we need
3119 * to allocate 1 byte longer buffer to fit the full 2^14 byte record */
3120 p = buf = app_malloc(bufsize + 1, "server www buffer");
3121 io = BIO_new(BIO_f_buffer());
3122 ssl_bio = BIO_new(BIO_f_ssl());
3123 if ((io == NULL) || (ssl_bio == NULL))
3127 if (!BIO_socket_nbio(s, 1))
3128 ERR_print_errors(bio_err);
3130 BIO_printf(bio_err, "Turned on non blocking io\n");
3133 /* lets make the output buffer a reasonable size */
3134 if (BIO_set_write_buffer_size(io, bufsize) <= 0)
3137 if ((con = SSL_new(ctx)) == NULL)
3140 if (s_tlsextdebug) {
3141 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3142 SSL_set_tlsext_debug_arg(con, bio_s_out);
3146 && !SSL_set_session_id_context(con, context,
3147 strlen((char *)context))) {
3152 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3161 test = BIO_new(BIO_f_nbio_test());
3168 sbio = BIO_push(test, sbio);
3170 SSL_set_bio(con, sbio, sbio);
3171 SSL_set_accept_state(con);
3173 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3174 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3175 BIO_push(io, ssl_bio);
3177 #ifdef CHARSET_EBCDIC
3178 filter = BIO_new(BIO_f_ebcdic_filter());
3182 io = BIO_push(filter, io);
3186 BIO_set_callback_ex(SSL_get_rbio(con), bio_dump_callback);
3187 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3190 #ifndef OPENSSL_NO_SSL_TRACE
3192 SSL_set_msg_callback(con, SSL_trace);
3195 SSL_set_msg_callback(con, msg_cb);
3196 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3200 i = BIO_gets(io, buf, bufsize + 1);
3201 if (i < 0) { /* error */
3202 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3204 ERR_print_errors(bio_err);
3207 BIO_printf(bio_s_out, "read R BLOCK\n");
3208 #ifndef OPENSSL_NO_SRP
3209 if (BIO_should_io_special(io)
3210 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3211 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3213 lookup_srp_user(&srp_callback_parm, bio_s_out);
3221 } else if (i == 0) { /* end of input */
3226 /* else we have data */
3227 if ((www == 1 && HAS_PREFIX(buf, "GET "))
3228 || (www == 2 && HAS_PREFIX(buf, "GET /stats "))) {
3230 STACK_OF(SSL_CIPHER) *sk;
3231 static const char *space = " ";
3233 if (www == 1 && HAS_PREFIX(buf, "GET /reneg")) {
3234 if (HAS_PREFIX(buf, "GET /renegcert"))
3236 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3238 i = SSL_renegotiate(con);
3239 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3240 /* Send the HelloRequest */
3241 i = SSL_do_handshake(con);
3243 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3244 SSL_get_error(con, i));
3245 ERR_print_errors(bio_err);
3248 /* Wait for a ClientHello to come back */
3250 openssl_fdset(s, &readfds);
3251 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3252 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3253 BIO_printf(bio_s_out,
3254 "Error waiting for client response\n");
3255 ERR_print_errors(bio_err);
3259 * We're not actually expecting any data here and we ignore
3260 * any that is sent. This is just to force the handshake that
3261 * we're expecting to come from the client. If they haven't
3262 * sent one there's not much we can do.
3264 BIO_gets(io, buf, bufsize + 1);
3268 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3269 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3270 BIO_puts(io, "<pre>\n");
3271 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3273 for (i = 0; i < local_argc; i++) {
3276 for (myp = local_argv[i]; *myp; myp++)
3279 BIO_puts(io, "<");
3282 BIO_puts(io, ">");
3285 BIO_puts(io, "&");
3288 BIO_write(io, myp, 1);
3291 BIO_write(io, " ", 1);
3295 ssl_print_secure_renegotiation_notes(io, con);
3298 * The following is evil and should not really be done
3300 BIO_printf(io, "Ciphers supported in s_server binary\n");
3301 sk = SSL_get_ciphers(con);
3302 j = sk_SSL_CIPHER_num(sk);
3303 for (i = 0; i < j; i++) {
3304 c = sk_SSL_CIPHER_value(sk, i);
3305 BIO_printf(io, "%-11s:%-25s ",
3306 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3307 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3311 p = SSL_get_shared_ciphers(con, buf, bufsize);
3314 "---\nCiphers common between both SSL end points:\n");
3318 BIO_write(io, space, 26 - j);
3321 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3323 BIO_write(io, p, 1);
3330 ssl_print_sigalgs(io, con);
3331 #ifndef OPENSSL_NO_EC
3332 ssl_print_groups(io, con, 0);
3334 print_ca_names(io, con);
3335 BIO_printf(io, (SSL_session_reused(con)
3336 ? "---\nReused, " : "---\nNew, "));
3337 c = SSL_get_current_cipher(con);
3338 BIO_printf(io, "%s, Cipher is %s\n",
3339 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3340 SSL_SESSION_print(io, SSL_get_session(con));
3341 BIO_printf(io, "---\n");
3342 print_stats(io, SSL_get_SSL_CTX(con));
3343 BIO_printf(io, "---\n");
3344 peer = SSL_get0_peer_certificate(con);
3346 BIO_printf(io, "Client certificate\n");
3347 X509_print(io, peer);
3348 PEM_write_bio_X509(io, peer);
3351 BIO_puts(io, "no client certificate available\n");
3353 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3355 } else if ((www == 2 || www == 3) && CHECK_AND_SKIP_PREFIX(p, "GET /")) {
3358 static const char *text =
3359 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3362 for (e = p; *e != '\0'; e++) {
3367 /* Windows drive. We treat this the same way as ".." */
3374 dot = (e[0] == '.') ? 2 : 0;
3377 dot = (e[0] == '.') ? 3 : 0;
3380 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
3384 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
3386 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3391 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3398 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
3402 if (*p == '/' || *p == '\\') {
3404 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3408 /* if a directory, do the index thang */
3409 if (app_isdir(p) > 0) {
3411 BIO_printf(io, "'%s' is a directory\r\n", p);
3415 opmode = (http_server_binmode == 1) ? "rb" : "r";
3416 if ((file = BIO_new_file(p, opmode)) == NULL) {
3418 BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
3419 ERR_print_errors(io);
3424 BIO_printf(bio_err, "FILE:%s\n", p);
3428 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3429 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3430 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3432 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3435 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3438 #ifndef OPENSSL_NO_KTLS
3439 if (use_sendfile_for_req && !BIO_get_ktls_send(SSL_get_wbio(con))) {
3440 BIO_printf(bio_err, "Warning: sendfile requested but KTLS is not available\n");
3441 use_sendfile_for_req = 0;
3443 if (use_sendfile_for_req) {
3450 BIO_get_fp(file, &fp);
3452 if (fstat(fd, &st) < 0) {
3453 BIO_printf(io, "Error fstat '%s'\r\n", p);
3454 ERR_print_errors(io);
3458 filesize = st.st_size;
3459 if (((int)BIO_flush(io)) < 0)
3463 i = SSL_sendfile(con, fd, offset, filesize, 0);
3465 BIO_printf(io, "Error SSL_sendfile '%s'\r\n", p);
3466 ERR_print_errors(io);
3473 if (filesize <= 0) {
3475 BIO_printf(bio_err, "KTLS SENDFILE '%s' OK\n", p);
3484 i = BIO_read(file, buf, bufsize);
3490 BIO_printf(bio_err, "%d\n", i);
3491 if (total_bytes > 3 * 1024) {
3493 BIO_printf(bio_err, "RENEGOTIATE\n");
3494 SSL_renegotiate(con);
3498 for (j = 0; j < i;) {
3502 SSL_renegotiate(con);
3504 k = BIO_write(io, &(buf[j]), i - j);
3506 if (!BIO_should_retry(io)
3507 && !SSL_waiting_for_async(con)) {
3510 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3525 i = (int)BIO_flush(io);
3527 if (!BIO_should_retry(io))
3533 /* make sure we re-use sessions */
3534 do_ssl_shutdown(con);
3543 static int rev_body(int s, int stype, int prot, unsigned char *context)
3549 BIO *io, *ssl_bio, *sbio;
3550 #ifdef CHARSET_EBCDIC
3554 /* as we use BIO_gets(), and it always null terminates data, we need
3555 * to allocate 1 byte longer buffer to fit the full 2^14 byte record */
3556 buf = app_malloc(bufsize + 1, "server rev buffer");
3557 io = BIO_new(BIO_f_buffer());
3558 ssl_bio = BIO_new(BIO_f_ssl());
3559 if ((io == NULL) || (ssl_bio == NULL))
3562 /* lets make the output buffer a reasonable size */
3563 if (BIO_set_write_buffer_size(io, bufsize) <= 0)
3566 if ((con = SSL_new(ctx)) == NULL)
3569 if (s_tlsextdebug) {
3570 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3571 SSL_set_tlsext_debug_arg(con, bio_s_out);
3574 && !SSL_set_session_id_context(con, context,
3575 strlen((char *)context))) {
3577 ERR_print_errors(bio_err);
3581 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3584 ERR_print_errors(bio_err);
3588 SSL_set_bio(con, sbio, sbio);
3589 SSL_set_accept_state(con);
3591 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3592 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3593 BIO_push(io, ssl_bio);
3595 #ifdef CHARSET_EBCDIC
3596 filter = BIO_new(BIO_f_ebcdic_filter());
3600 io = BIO_push(filter, io);
3604 BIO_set_callback_ex(SSL_get_rbio(con), bio_dump_callback);
3605 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3608 #ifndef OPENSSL_NO_SSL_TRACE
3610 SSL_set_msg_callback(con, SSL_trace);
3613 SSL_set_msg_callback(con, msg_cb);
3614 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3618 i = BIO_do_handshake(io);
3621 if (!BIO_should_retry(io)) {
3622 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3623 ERR_print_errors(bio_err);
3626 #ifndef OPENSSL_NO_SRP
3627 if (BIO_should_io_special(io)
3628 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3629 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3631 lookup_srp_user(&srp_callback_parm, bio_s_out);
3637 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3638 print_ssl_summary(con);
3641 i = BIO_gets(io, buf, bufsize + 1);
3642 if (i < 0) { /* error */
3643 if (!BIO_should_retry(io)) {
3645 ERR_print_errors(bio_err);
3648 BIO_printf(bio_s_out, "read R BLOCK\n");
3649 #ifndef OPENSSL_NO_SRP
3650 if (BIO_should_io_special(io)
3651 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3652 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3654 lookup_srp_user(&srp_callback_parm, bio_s_out);
3662 } else if (i == 0) { /* end of input */
3664 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3667 char *p = buf + i - 1;
3668 while (i && (*p == '\n' || *p == '\r')) {
3672 if (!s_ign_eof && i == 5 && HAS_PREFIX(buf, "CLOSE")) {
3674 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3677 BUF_reverse((unsigned char *)buf, NULL, i);
3679 BIO_write(io, buf, i + 1);
3684 if (!BIO_should_retry(io))
3690 /* make sure we re-use sessions */
3691 do_ssl_shutdown(con);
3701 #define MAX_SESSION_ID_ATTEMPTS 10
3702 static int generate_session_id(SSL *ssl, unsigned char *id,
3703 unsigned int *id_len)
3705 unsigned int count = 0;
3706 unsigned int session_id_prefix_len = strlen(session_id_prefix);
3709 if (RAND_bytes(id, *id_len) <= 0)
3712 * Prefix the session_id with the required prefix. NB: If our prefix
3713 * is too long, clip it - but there will be worse effects anyway, eg.
3714 * the server could only possibly create 1 session ID (ie. the
3715 * prefix!) so all future session negotiations will fail due to
3718 memcpy(id, session_id_prefix,
3719 (session_id_prefix_len < *id_len) ?
3720 session_id_prefix_len : *id_len);
3722 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3723 (++count < MAX_SESSION_ID_ATTEMPTS));
3724 if (count >= MAX_SESSION_ID_ATTEMPTS)
3730 * By default s_server uses an in-memory cache which caches SSL_SESSION
3731 * structures without any serialization. This hides some bugs which only
3732 * become apparent in deployed servers. By implementing a basic external
3733 * session cache some issues can be debugged using s_server.
3736 typedef struct simple_ssl_session_st {
3741 struct simple_ssl_session_st *next;
3742 } simple_ssl_session;
3744 static simple_ssl_session *first = NULL;
3746 static int add_session(SSL *ssl, SSL_SESSION *session)
3748 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3751 SSL_SESSION_get_id(session, &sess->idlen);
3752 sess->derlen = i2d_SSL_SESSION(session, NULL);
3753 if (sess->derlen < 0) {
3754 BIO_printf(bio_err, "Error encoding session\n");
3759 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3760 sess->der = app_malloc(sess->derlen, "get session buffer");
3762 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3763 OPENSSL_free(sess->id);
3764 OPENSSL_free(sess->der);
3770 /* Assume it still works. */
3771 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3772 BIO_printf(bio_err, "Unexpected session encoding length\n");
3773 OPENSSL_free(sess->id);
3774 OPENSSL_free(sess->der);
3781 BIO_printf(bio_err, "New session added to external cache\n");
3785 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3788 simple_ssl_session *sess;
3790 for (sess = first; sess; sess = sess->next) {
3791 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3792 const unsigned char *p = sess->der;
3793 BIO_printf(bio_err, "Lookup session: cache hit\n");
3794 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3797 BIO_printf(bio_err, "Lookup session: cache miss\n");
3801 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3803 simple_ssl_session *sess, *prev = NULL;
3804 const unsigned char *id;
3806 id = SSL_SESSION_get_id(session, &idlen);
3807 for (sess = first; sess; sess = sess->next) {
3808 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3810 prev->next = sess->next;
3813 OPENSSL_free(sess->id);
3814 OPENSSL_free(sess->der);
3822 static void init_session_cache_ctx(SSL_CTX *sctx)
3824 SSL_CTX_set_session_cache_mode(sctx,
3825 SSL_SESS_CACHE_NO_INTERNAL |
3826 SSL_SESS_CACHE_SERVER);
3827 SSL_CTX_sess_set_new_cb(sctx, add_session);
3828 SSL_CTX_sess_set_get_cb(sctx, get_session);
3829 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3832 static void free_sessions(void)
3834 simple_ssl_session *sess, *tsess;
3835 for (sess = first; sess;) {
3836 OPENSSL_free(sess->id);
3837 OPENSSL_free(sess->der);
3840 OPENSSL_free(tsess);
3845 #endif /* OPENSSL_NO_SOCK */