2 * Copyright 1995-2020 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>
25 #ifndef OPENSSL_NO_SOCK
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
33 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
35 typedef unsigned int u_int;
38 #include <openssl/bn.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>
48 # include <openssl/dh.h>
50 #ifndef OPENSSL_NO_RSA
51 # include <openssl/rsa.h>
53 #ifndef OPENSSL_NO_SRP
54 # include <openssl/srp.h>
59 #include <openssl/ebcdic.h>
61 #include "internal/sockets.h"
63 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
64 static int sv_body(int s, int stype, int prot, unsigned char *context);
65 static int www_body(int s, int stype, int prot, unsigned char *context);
66 static int rev_body(int s, int stype, int prot, unsigned char *context);
67 static void close_accept_socket(void);
68 static int init_ssl_connection(SSL *s);
69 static void print_stats(BIO *bp, SSL_CTX *ctx);
70 static int generate_session_id(SSL *ssl, unsigned char *id,
71 unsigned int *id_len);
72 static void init_session_cache_ctx(SSL_CTX *sctx);
73 static void free_sessions(void);
75 static DH *load_dh_param(const char *dhfile);
77 static void print_connection_info(SSL *con);
79 static const int bufsize = 16 * 1024;
80 static int accept_socket = -1;
82 #define TEST_CERT "server.pem"
83 #define TEST_CERT2 "server2.pem"
85 static int s_nbio = 0;
86 static int s_nbio_test = 0;
87 static int s_crlf = 0;
88 static SSL_CTX *ctx = NULL;
89 static SSL_CTX *ctx2 = NULL;
92 static BIO *bio_s_out = NULL;
93 static BIO *bio_s_msg = NULL;
94 static int s_debug = 0;
95 static int s_tlsextdebug = 0;
97 static int s_quiet = 0;
98 static int s_ign_eof = 0;
99 static int s_brief = 0;
101 static char *keymatexportlabel = NULL;
102 static int keymatexportlen = 20;
104 static int async = 0;
106 static int use_sendfile = 0;
108 static const char *session_id_prefix = NULL;
110 #ifndef OPENSSL_NO_DTLS
111 static int enable_timeouts = 0;
112 static long socket_mtu;
116 * We define this but make it always be 0 in no-dtls builds to simplify the
119 static int dtlslisten = 0;
120 static int stateless = 0;
122 static int early_data = 0;
123 static SSL_SESSION *psksess = NULL;
125 static char *psk_identity = "Client_identity";
126 char *psk_key = NULL; /* by default PSK is not used */
128 static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
130 #ifndef OPENSSL_NO_PSK
131 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
133 unsigned int max_psk_len)
139 BIO_printf(bio_s_out, "psk_server_cb\n");
140 if (identity == NULL) {
141 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
145 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
146 (int)strlen(identity), identity);
148 /* here we could lookup the given identity e.g. from a database */
149 if (strcmp(identity, psk_identity) != 0) {
150 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
151 " (got '%s' expected '%s')\n", identity, psk_identity);
154 BIO_printf(bio_s_out, "PSK client identity found\n");
157 /* convert the PSK key to binary */
158 key = OPENSSL_hexstr2buf(psk_key, &key_len);
160 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
164 if (key_len > (int)max_psk_len) {
166 "psk buffer of callback is too small (%d) for key (%ld)\n",
167 max_psk_len, key_len);
172 memcpy(psk, key, key_len);
176 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
180 BIO_printf(bio_err, "Error in PSK server callback\n");
181 (void)BIO_flush(bio_err);
182 (void)BIO_flush(bio_s_out);
187 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
188 size_t identity_len, SSL_SESSION **sess)
190 SSL_SESSION *tmpsess = NULL;
193 const SSL_CIPHER *cipher = NULL;
195 if (strlen(psk_identity) != identity_len
196 || memcmp(psk_identity, identity, identity_len) != 0) {
201 if (psksess != NULL) {
202 SSL_SESSION_up_ref(psksess);
207 key = OPENSSL_hexstr2buf(psk_key, &key_len);
209 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
214 /* We default to SHA256 */
215 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
216 if (cipher == NULL) {
217 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
222 tmpsess = SSL_SESSION_new();
224 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
225 || !SSL_SESSION_set_cipher(tmpsess, cipher)
226 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
236 #ifndef OPENSSL_NO_SRP
237 /* This is a context that we pass to callbacks */
238 typedef struct srpsrvparm_st {
243 static srpsrvparm srp_callback_parm;
246 * This callback pretends to require some asynchronous logic in order to
247 * obtain a verifier. When the callback is called for a new connection we
248 * return with a negative value. This will provoke the accept etc to return
249 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
250 * (which would normally occur after a worker has finished) and we set the
253 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
255 srpsrvparm *p = (srpsrvparm *) arg;
256 int ret = SSL3_AL_FATAL;
258 if (p->login == NULL && p->user == NULL) {
259 p->login = SSL_get_srp_username(s);
260 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
264 if (p->user == NULL) {
265 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
269 if (SSL_set_srp_server_param
270 (s, p->user->N, p->user->g, p->user->s, p->user->v,
271 p->user->info) < 0) {
272 *ad = SSL_AD_INTERNAL_ERROR;
276 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
277 p->login, p->user->info);
278 ret = SSL_ERROR_NONE;
281 SRP_user_pwd_free(p->user);
289 static int local_argc = 0;
290 static char **local_argv;
292 #ifdef CHARSET_EBCDIC
293 static int ebcdic_new(BIO *bi);
294 static int ebcdic_free(BIO *a);
295 static int ebcdic_read(BIO *b, char *out, int outl);
296 static int ebcdic_write(BIO *b, const char *in, int inl);
297 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
298 static int ebcdic_gets(BIO *bp, char *buf, int size);
299 static int ebcdic_puts(BIO *bp, const char *str);
301 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
302 static BIO_METHOD *methods_ebcdic = NULL;
304 /* This struct is "unwarranted chumminess with the compiler." */
310 static const BIO_METHOD *BIO_f_ebcdic_filter()
312 if (methods_ebcdic == NULL) {
313 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
314 "EBCDIC/ASCII filter");
315 if (methods_ebcdic == NULL
316 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
317 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
318 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
319 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
320 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
321 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
322 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
325 return methods_ebcdic;
328 static int ebcdic_new(BIO *bi)
330 EBCDIC_OUTBUFF *wbuf;
332 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
333 wbuf->alloced = 1024;
334 wbuf->buff[0] = '\0';
336 BIO_set_data(bi, wbuf);
341 static int ebcdic_free(BIO *a)
343 EBCDIC_OUTBUFF *wbuf;
347 wbuf = BIO_get_data(a);
349 BIO_set_data(a, NULL);
355 static int ebcdic_read(BIO *b, char *out, int outl)
358 BIO *next = BIO_next(b);
360 if (out == NULL || outl == 0)
365 ret = BIO_read(next, out, outl);
367 ascii2ebcdic(out, out, ret);
371 static int ebcdic_write(BIO *b, const char *in, int inl)
373 EBCDIC_OUTBUFF *wbuf;
374 BIO *next = BIO_next(b);
378 if ((in == NULL) || (inl <= 0))
383 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
385 if (inl > (num = wbuf->alloced)) {
386 num = num + num; /* double the size */
390 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
393 wbuf->buff[0] = '\0';
395 BIO_set_data(b, wbuf);
398 ebcdic2ascii(wbuf->buff, in, inl);
400 ret = BIO_write(next, wbuf->buff, inl);
405 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
408 BIO *next = BIO_next(b);
417 ret = BIO_ctrl(next, cmd, num, ptr);
423 static int ebcdic_gets(BIO *bp, char *buf, int size)
426 BIO *next = BIO_next(bp);
430 /* return(BIO_gets(bp->next_bio,buf,size));*/
431 for (i = 0; i < size - 1; ++i) {
432 ret = ebcdic_read(bp, &buf[i], 1);
435 else if (buf[i] == '\n') {
442 return (ret < 0 && i == 0) ? ret : i;
445 static int ebcdic_puts(BIO *bp, const char *str)
447 if (BIO_next(bp) == NULL)
449 return ebcdic_write(bp, str, strlen(str));
453 /* This is a context that we pass to callbacks */
454 typedef struct tlsextctx_st {
460 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
462 tlsextctx *p = (tlsextctx *) arg;
463 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
465 if (servername != NULL && p->biodebug != NULL) {
466 const char *cp = servername;
469 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
470 while ((uc = *cp++) != 0)
471 BIO_printf(p->biodebug,
472 (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
473 BIO_printf(p->biodebug, "\"\n");
476 if (p->servername == NULL)
477 return SSL_TLSEXT_ERR_NOACK;
479 if (servername != NULL) {
480 if (strcasecmp(servername, p->servername))
481 return p->extension_error;
483 BIO_printf(p->biodebug, "Switching server context.\n");
484 SSL_set_SSL_CTX(s, ctx2);
487 return SSL_TLSEXT_ERR_OK;
490 /* Structure passed to cert status callback */
491 typedef struct tlsextstatusctx_st {
493 /* File to load OCSP Response from (or NULL if no file) */
495 /* Default responder to use */
496 char *host, *path, *port;
501 static tlsextstatusctx tlscstatp = { -1 };
503 #ifndef OPENSSL_NO_OCSP
506 * Helper function to get an OCSP_RESPONSE from a responder. This is a
507 * simplified version. It examines certificates each time and makes one OCSP
508 * responder query for each request. A full version would store details such as
509 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
510 * them until they were considered "expired".
512 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
513 OCSP_RESPONSE **resp)
515 char *host = NULL, *port = NULL, *path = NULL;
517 STACK_OF(OPENSSL_STRING) *aia = NULL;
519 X509_STORE_CTX *inctx = NULL;
521 OCSP_REQUEST *req = NULL;
522 OCSP_CERTID *id = NULL;
523 STACK_OF(X509_EXTENSION) *exts;
524 int ret = SSL_TLSEXT_ERR_NOACK;
527 /* Build up OCSP query from server certificate */
528 x = SSL_get_certificate(s);
529 aia = X509_get1_ocsp(x);
531 if (!OSSL_HTTP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
532 &host, &port, NULL, &path, &use_ssl)) {
533 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
537 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
538 sk_OPENSSL_STRING_value(aia, 0));
540 if (srctx->host == NULL) {
542 "cert_status: no AIA and no default responder URL\n");
548 use_ssl = srctx->use_ssl;
551 inctx = X509_STORE_CTX_new();
554 if (!X509_STORE_CTX_init(inctx,
555 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
558 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
559 X509_get_issuer_name(x));
561 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
564 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
565 X509_OBJECT_free(obj);
568 req = OCSP_REQUEST_new();
571 if (!OCSP_request_add0_id(req, id))
574 /* Add any extensions to the request */
575 SSL_get_tlsext_status_exts(s, &exts);
576 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
577 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
578 if (!OCSP_REQUEST_add_ext(req, ext, -1))
581 *resp = process_responder(req, host, path, port, use_ssl, NULL,
584 BIO_puts(bio_err, "cert_status: error querying responder\n");
588 ret = SSL_TLSEXT_ERR_OK;
592 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
595 * If we parsed aia we need to free; otherwise they were copied and we
602 X509_email_free(aia);
604 OCSP_CERTID_free(id);
605 OCSP_REQUEST_free(req);
606 X509_STORE_CTX_free(inctx);
611 * Certificate Status callback. This is called when a client includes a
612 * certificate status request extension. The response is either obtained from a
613 * file, or from an OCSP responder.
615 static int cert_status_cb(SSL *s, void *arg)
617 tlsextstatusctx *srctx = arg;
618 OCSP_RESPONSE *resp = NULL;
619 unsigned char *rspder = NULL;
621 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
624 BIO_puts(bio_err, "cert_status: callback called\n");
626 if (srctx->respin != NULL) {
627 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
628 if (derbio == NULL) {
629 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
632 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
635 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
639 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
640 if (ret != SSL_TLSEXT_ERR_OK)
644 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
648 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
649 if (srctx->verbose) {
650 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
651 OCSP_RESPONSE_print(bio_err, resp, 2);
654 ret = SSL_TLSEXT_ERR_OK;
657 if (ret != SSL_TLSEXT_ERR_OK)
658 ERR_print_errors(bio_err);
660 OCSP_RESPONSE_free(resp);
666 #ifndef OPENSSL_NO_NEXTPROTONEG
667 /* This is the context that we pass to next_proto_cb */
668 typedef struct tlsextnextprotoctx_st {
671 } tlsextnextprotoctx;
673 static int next_proto_cb(SSL *s, const unsigned char **data,
674 unsigned int *len, void *arg)
676 tlsextnextprotoctx *next_proto = arg;
678 *data = next_proto->data;
679 *len = next_proto->len;
681 return SSL_TLSEXT_ERR_OK;
683 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
685 /* This the context that we pass to alpn_cb */
686 typedef struct tlsextalpnctx_st {
691 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
692 const unsigned char *in, unsigned int inlen, void *arg)
694 tlsextalpnctx *alpn_ctx = arg;
697 /* We can assume that |in| is syntactically valid. */
699 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
700 for (i = 0; i < inlen;) {
702 BIO_write(bio_s_out, ", ", 2);
703 BIO_write(bio_s_out, &in[i + 1], in[i]);
706 BIO_write(bio_s_out, "\n", 1);
709 if (SSL_select_next_proto
710 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
711 inlen) != OPENSSL_NPN_NEGOTIATED) {
712 return SSL_TLSEXT_ERR_ALERT_FATAL;
716 BIO_printf(bio_s_out, "ALPN protocols selected: ");
717 BIO_write(bio_s_out, *out, *outlen);
718 BIO_write(bio_s_out, "\n", 1);
721 return SSL_TLSEXT_ERR_OK;
724 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
726 /* disable resumption for sessions with forward secure ciphers */
727 return is_forward_secure;
730 typedef enum OPTION_choice {
731 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
732 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
733 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
734 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
735 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
736 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
737 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
738 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
739 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
741 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
742 OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
743 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
744 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
745 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
746 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
747 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
748 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
749 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
750 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
751 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
752 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
753 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
754 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_SENDFILE,
755 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
756 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
757 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
758 OPT_HTTP_SERVER_BINMODE, OPT_NOCANAMES, OPT_IGNORE_UNEXPECTED_EOF,
766 const OPTIONS s_server_options[] = {
767 OPT_SECTION("General"),
768 {"help", OPT_HELP, '-', "Display this summary"},
769 {"ssl_config", OPT_SSL_CONFIG, 's',
770 "Configure SSL_CTX using the configuration 'val'"},
771 #ifndef OPENSSL_NO_SSL_TRACE
772 {"trace", OPT_TRACE, '-', "trace protocol messages"},
774 #ifndef OPENSSL_NO_ENGINE
775 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
778 OPT_SECTION("Network"),
779 {"port", OPT_PORT, 'p',
780 "TCP/IP port to listen on for connections (default is " PORT ")"},
781 {"accept", OPT_ACCEPT, 's',
782 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
784 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
785 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
787 {"4", OPT_4, '-', "Use IPv4 only"},
788 {"6", OPT_6, '-', "Use IPv6 only"},
790 OPT_SECTION("Identity"),
791 {"context", OPT_CONTEXT, 's', "Set session ID context"},
792 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
793 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
794 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
795 {"no-CAfile", OPT_NOCAFILE, '-',
796 "Do not load the default certificates file"},
797 {"no-CApath", OPT_NOCAPATH, '-',
798 "Do not load certificates from the default certificates directory"},
799 {"no-CAstore", OPT_NOCASTORE, '-',
800 "Do not load certificates from the default certificates store URI"},
801 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
802 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
803 {"Verify", OPT_UPPER_V_VERIFY, 'n',
804 "Turn on peer certificate verification, must have a cert"},
805 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
806 {"cert", OPT_CERT, '<', "Server certificate file to use; default " TEST_CERT},
807 {"cert2", OPT_CERT2, '<',
808 "Certificate file to use for servername; default " TEST_CERT2},
809 {"certform", OPT_CERTFORM, 'F',
810 "Server certificate file format (PEM/DER/P12); has no effect"},
811 {"cert_chain", OPT_CERT_CHAIN, '<',
812 "Server certificate chain file in PEM format"},
813 {"build_chain", OPT_BUILD_CHAIN, '-', "Build server certificate chain"},
814 {"serverinfo", OPT_SERVERINFO, 's',
815 "PEM serverinfo file for certificate"},
816 {"key", OPT_KEY, 's',
817 "Private key file to use; default is -cert file or else" TEST_CERT},
818 {"key2", OPT_KEY2, '<',
819 "-Private Key file to use for servername if not in -cert2"},
820 {"keyform", OPT_KEYFORM, 'f', "Key format (ENGINE, other values ignored)"},
821 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
822 {"dcert", OPT_DCERT, '<',
823 "Second server certificate file to use (usually for DSA)"},
824 {"dcertform", OPT_DCERTFORM, 'F',
825 "Second server certificate file format (PEM/DER/P12); has no effect"},
826 {"dcert_chain", OPT_DCERT_CHAIN, '<',
827 "second server certificate chain file in PEM format"},
828 {"dkey", OPT_DKEY, '<',
829 "Second private key file to use (usually for DSA)"},
830 {"dkeyform", OPT_DKEYFORM, 'F',
831 "Second key file format (ENGINE, other values ignored)"},
832 {"dpass", OPT_DPASS, 's', "Second private key and cert file pass phrase source"},
833 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
834 {"servername", OPT_SERVERNAME, 's',
835 "Servername for HostName TLS extension"},
836 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
837 "mismatch send fatal alert (default warning alert)"},
838 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
839 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
840 {"quiet", OPT_QUIET, '-', "No server output"},
841 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
842 "Disable caching and tickets if ephemeral (EC)DH is used"},
843 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
844 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
845 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
846 "Do not treat lack of close_notify from a peer as an error"},
847 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
848 "Hex dump of all TLS extensions received"},
849 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
850 {"id_prefix", OPT_ID_PREFIX, 's',
851 "Generate SSL/TLS session IDs prefixed by arg"},
852 {"keymatexport", OPT_KEYMATEXPORT, 's',
853 "Export keying material using label"},
854 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
855 "Export len bytes of keying material; default 20"},
856 {"CRL", OPT_CRL, '<', "CRL file to use"},
857 {"CRLform", OPT_CRLFORM, 'F', "CRL file format (PEM or DER); default PEM"},
858 {"crl_download", OPT_CRL_DOWNLOAD, '-',
859 "Download CRLs from distribution points in certificate CDP entries"},
860 {"chainCAfile", OPT_CHAINCAFILE, '<',
861 "CA file for certificate chain (PEM format)"},
862 {"chainCApath", OPT_CHAINCAPATH, '/',
863 "use dir as certificate store path to build CA certificate chain"},
864 {"chainCAstore", OPT_CHAINCASTORE, ':',
865 "use URI as certificate store to build CA certificate chain"},
866 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
867 "CA file for certificate verification (PEM format)"},
868 {"verifyCApath", OPT_VERIFYCAPATH, '/',
869 "use dir as certificate store path to verify CA certificate"},
870 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
871 "use URI as certificate store to verify CA certificate"},
872 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
873 {"ext_cache", OPT_EXT_CACHE, '-',
874 "Disable internal cache, setup and use external cache"},
875 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
876 "Close connection on verification error"},
877 {"verify_quiet", OPT_VERIFY_QUIET, '-',
878 "No verify output except verify errors"},
879 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
880 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
882 #ifndef OPENSSL_NO_OCSP
884 {"status", OPT_STATUS, '-', "Request certificate status from server"},
885 {"status_verbose", OPT_STATUS_VERBOSE, '-',
886 "Print more output in certificate status callback"},
887 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
888 "Status request responder timeout"},
889 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
890 {"status_file", OPT_STATUS_FILE, '<',
891 "File containing DER encoded OCSP Response"},
894 OPT_SECTION("Debug"),
895 {"security_debug", OPT_SECURITY_DEBUG, '-',
896 "Print output from SSL/TLS security framework"},
897 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
898 "Print more output from SSL/TLS security framework"},
899 {"brief", OPT_BRIEF, '-',
900 "Restrict output to brief summary of connection parameters"},
901 {"rev", OPT_REV, '-',
902 "act as a simple test server which just sends back with the received text reversed"},
903 {"debug", OPT_DEBUG, '-', "Print more output"},
904 {"msg", OPT_MSG, '-', "Show protocol messages"},
905 {"msgfile", OPT_MSGFILE, '>',
906 "File to send output of -msg or -trace, instead of stdout"},
907 {"state", OPT_STATE, '-', "Print the SSL states"},
908 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
909 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
910 "Maximum number of encrypt/decrypt pipelines to be used"},
911 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
912 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
914 OPT_SECTION("Network"),
915 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
916 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
917 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
918 {"read_buf", OPT_READ_BUF, 'p',
919 "Default read buffer size to be used for connections"},
920 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
921 "Size used to split data for encrypt pipelines"},
922 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
924 OPT_SECTION("Server identity"),
925 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
926 #ifndef OPENSSL_NO_PSK
927 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
929 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
930 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
931 #ifndef OPENSSL_NO_SRP
932 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
933 {"srpuserseed", OPT_SRPUSERSEED, 's',
934 "A seed string for a default user salt"},
937 OPT_SECTION("Protocol and version"),
938 {"max_early_data", OPT_MAX_EARLY, 'n',
939 "The maximum number of bytes of early data as advertised in tickets"},
940 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
941 "The maximum number of bytes of early data (hard limit)"},
942 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
943 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
944 "The number of TLSv1.3 session tickets that a server will automatically issue" },
945 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
946 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
947 {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
948 {"no_ca_names", OPT_NOCANAMES, '-',
949 "Disable TLS Extension CA Names"},
950 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
951 #ifndef OPENSSL_NO_SSL3
952 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
954 #ifndef OPENSSL_NO_TLS1
955 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
957 #ifndef OPENSSL_NO_TLS1_1
958 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
960 #ifndef OPENSSL_NO_TLS1_2
961 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
963 #ifndef OPENSSL_NO_TLS1_3
964 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
966 #ifndef OPENSSL_NO_DTLS
967 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
968 {"listen", OPT_LISTEN, '-',
969 "Listen for a DTLS ClientHello with a cookie and then connect"},
971 #ifndef OPENSSL_NO_DTLS1
972 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
974 #ifndef OPENSSL_NO_DTLS1_2
975 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
977 #ifndef OPENSSL_NO_SCTP
978 {"sctp", OPT_SCTP, '-', "Use SCTP"},
979 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
981 #ifndef OPENSSL_NO_SRTP
982 {"use_srtp", OPT_SRTP_PROFILES, 's',
983 "Offer SRTP key management with a colon-separated profile list"},
985 #ifndef OPENSSL_NO_DH
986 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
988 #ifndef OPENSSL_NO_NEXTPROTONEG
989 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
990 "Set the advertised protocols for the NPN extension (comma-separated list)"},
992 {"alpn", OPT_ALPN, 's',
993 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
994 #ifndef OPENSSL_NO_KTLS
995 {"sendfile", OPT_SENDFILE, '-', "Use sendfile to response file with -WWW"},
1006 #define IS_PROT_FLAG(o) \
1007 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
1008 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
1010 int s_server_main(int argc, char *argv[])
1012 ENGINE *engine = NULL;
1013 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1014 SSL_CONF_CTX *cctx = NULL;
1015 const SSL_METHOD *meth = TLS_server_method();
1016 SSL_EXCERT *exc = NULL;
1017 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1018 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1019 STACK_OF(X509_CRL) *crls = NULL;
1020 X509 *s_cert = NULL, *s_dcert = NULL;
1021 X509_VERIFY_PARAM *vpm = NULL;
1022 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
1023 const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL;
1024 char *dpassarg = NULL, *dpass = NULL;
1025 char *passarg = NULL, *pass = NULL;
1026 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
1027 char *crl_file = NULL, *prog;
1029 int unlink_unix_path = 0;
1031 do_server_cb server_cb;
1032 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
1033 #ifndef OPENSSL_NO_DH
1034 char *dhfile = NULL;
1037 int nocert = 0, ret = 1;
1038 int noCApath = 0, noCAfile = 0, noCAstore = 0;
1039 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1040 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1041 int rev = 0, naccept = -1, sdebug = 0;
1042 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1043 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1045 char *port = OPENSSL_strdup(PORT);
1046 unsigned char *context = NULL;
1048 EVP_PKEY *s_key2 = NULL;
1049 X509 *s_cert2 = NULL;
1050 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1051 const char *ssl_config = NULL;
1052 int read_buf_len = 0;
1053 #ifndef OPENSSL_NO_NEXTPROTONEG
1054 const char *next_proto_neg_in = NULL;
1055 tlsextnextprotoctx next_proto = { NULL, 0 };
1057 const char *alpn_in = NULL;
1058 tlsextalpnctx alpn_ctx = { NULL, 0 };
1059 #ifndef OPENSSL_NO_PSK
1060 /* by default do not send a PSK identity hint */
1061 char *psk_identity_hint = NULL;
1064 #ifndef OPENSSL_NO_SRP
1065 char *srpuserseed = NULL;
1066 char *srp_verifier_file = NULL;
1068 #ifndef OPENSSL_NO_SRTP
1069 char *srtp_profiles = NULL;
1071 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1072 int s_server_verify = SSL_VERIFY_NONE;
1073 int s_server_session_id_context = 1; /* anything will do */
1074 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1075 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1076 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1077 #ifndef OPENSSL_NO_OCSP
1078 int s_tlsextstatus = 0;
1080 int no_resume_ephemeral = 0;
1081 unsigned int max_send_fragment = 0;
1082 unsigned int split_send_fragment = 0, max_pipelines = 0;
1083 const char *s_serverinfo_file = NULL;
1084 const char *keylog_file = NULL;
1085 int max_early_data = -1, recv_max_early_data = -1;
1086 char *psksessf = NULL;
1087 int no_ca_names = 0;
1088 #ifndef OPENSSL_NO_SCTP
1089 int sctp_label_bug = 0;
1091 int ignore_unexpected_eof = 0;
1093 /* Init of few remaining global variables */
1098 s_nbio = s_nbio_test = 0;
1108 cctx = SSL_CONF_CTX_new();
1109 vpm = X509_VERIFY_PARAM_new();
1110 if (cctx == NULL || vpm == NULL)
1112 SSL_CONF_CTX_set_flags(cctx,
1113 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1115 prog = opt_init(argc, argv, s_server_options);
1116 while ((o = opt_next()) != OPT_EOF) {
1117 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1118 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1121 if (IS_NO_PROT_FLAG(o))
1123 if (prot_opt == 1 && no_prot_opt) {
1125 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1132 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1135 opt_help(s_server_options);
1141 if (socket_family == AF_UNIX) {
1142 OPENSSL_free(host); host = NULL;
1143 OPENSSL_free(port); port = NULL;
1146 socket_family = AF_INET;
1152 if (socket_family == AF_UNIX) {
1153 OPENSSL_free(host); host = NULL;
1154 OPENSSL_free(port); port = NULL;
1157 socket_family = AF_INET6;
1160 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1166 if (socket_family == AF_UNIX) {
1167 socket_family = AF_UNSPEC;
1170 OPENSSL_free(port); port = NULL;
1171 OPENSSL_free(host); host = NULL;
1172 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1174 "%s: -port argument malformed or ambiguous\n",
1181 if (socket_family == AF_UNIX) {
1182 socket_family = AF_UNSPEC;
1185 OPENSSL_free(port); port = NULL;
1186 OPENSSL_free(host); host = NULL;
1187 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1189 "%s: -accept argument malformed or ambiguous\n",
1196 socket_family = AF_UNIX;
1197 OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
1198 OPENSSL_free(port); port = NULL;
1201 unlink_unix_path = 1;
1205 naccept = atol(opt_arg());
1208 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1209 verify_args.depth = atoi(opt_arg());
1211 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1213 case OPT_UPPER_V_VERIFY:
1215 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1216 SSL_VERIFY_CLIENT_ONCE;
1217 verify_args.depth = atoi(opt_arg());
1220 "verify depth is %d, must return a certificate\n",
1224 context = (unsigned char *)opt_arg();
1227 s_cert_file = opt_arg();
1230 if (!set_nameopt(opt_arg()))
1234 crl_file = opt_arg();
1236 case OPT_CRL_DOWNLOAD:
1239 case OPT_SERVERINFO:
1240 s_serverinfo_file = opt_arg();
1243 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_cert_format))
1247 s_key_file = opt_arg();
1250 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1254 passarg = opt_arg();
1256 case OPT_CERT_CHAIN:
1257 s_chain_file = opt_arg();
1260 #ifndef OPENSSL_NO_DH
1265 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dcert_format))
1269 s_dcert_file = opt_arg();
1272 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dkey_format))
1276 dpassarg = opt_arg();
1279 s_dkey_file = opt_arg();
1281 case OPT_DCERT_CHAIN:
1282 s_dchain_file = opt_arg();
1293 case OPT_CHAINCAPATH:
1294 chCApath = opt_arg();
1296 case OPT_VERIFYCAPATH:
1297 vfyCApath = opt_arg();
1300 CAstore = opt_arg();
1305 case OPT_CHAINCASTORE:
1306 chCAstore = opt_arg();
1308 case OPT_VERIFYCASTORE:
1309 vfyCAstore = opt_arg();
1318 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1322 case OPT_S_NUM_TICKETS:
1323 case OPT_ANTI_REPLAY:
1324 case OPT_NO_ANTI_REPLAY:
1325 if (ssl_args == NULL)
1326 ssl_args = sk_OPENSSL_STRING_new_null();
1327 if (ssl_args == NULL
1328 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1329 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1330 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1335 if (!opt_verify(o, vpm))
1340 if (!args_excert(o, &exc))
1343 case OPT_VERIFY_RET_ERROR:
1344 verify_args.return_error = 1;
1346 case OPT_VERIFY_QUIET:
1347 verify_args.quiet = 1;
1349 case OPT_BUILD_CHAIN:
1358 case OPT_CHAINCAFILE:
1359 chCAfile = opt_arg();
1361 case OPT_VERIFYCAFILE:
1362 vfyCAfile = opt_arg();
1368 s_nbio = s_nbio_test = 1;
1373 case OPT_NO_IGN_EOF:
1379 case OPT_TLSEXTDEBUG:
1383 #ifndef OPENSSL_NO_OCSP
1387 case OPT_STATUS_VERBOSE:
1388 #ifndef OPENSSL_NO_OCSP
1389 s_tlsextstatus = tlscstatp.verbose = 1;
1392 case OPT_STATUS_TIMEOUT:
1393 #ifndef OPENSSL_NO_OCSP
1395 tlscstatp.timeout = atoi(opt_arg());
1398 case OPT_STATUS_URL:
1399 #ifndef OPENSSL_NO_OCSP
1401 if (!OSSL_HTTP_parse_url(opt_arg(),
1402 &tlscstatp.host, &tlscstatp.port, NULL,
1403 &tlscstatp.path, &tlscstatp.use_ssl)) {
1404 BIO_printf(bio_err, "Error parsing URL\n");
1409 case OPT_STATUS_FILE:
1410 #ifndef OPENSSL_NO_OCSP
1412 tlscstatp.respin = opt_arg();
1419 bio_s_msg = BIO_new_file(opt_arg(), "w");
1422 #ifndef OPENSSL_NO_SSL_TRACE
1426 case OPT_SECURITY_DEBUG:
1429 case OPT_SECURITY_DEBUG_VERBOSE:
1442 s_quiet = s_brief = verify_args.quiet = 1;
1445 #ifndef OPENSSL_NO_DH
1449 case OPT_NO_RESUME_EPHEMERAL:
1450 no_resume_ephemeral = 1;
1452 case OPT_PSK_IDENTITY:
1453 psk_identity = opt_arg();
1456 #ifndef OPENSSL_NO_PSK
1457 psk_identity_hint = opt_arg();
1461 for (p = psk_key = opt_arg(); *p; p++) {
1462 if (isxdigit(_UC(*p)))
1464 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1469 psksessf = opt_arg();
1472 #ifndef OPENSSL_NO_SRP
1473 srp_verifier_file = opt_arg();
1474 if (min_version < TLS1_VERSION)
1475 min_version = TLS1_VERSION;
1478 case OPT_SRPUSERSEED:
1479 #ifndef OPENSSL_NO_SRP
1480 srpuserseed = opt_arg();
1481 if (min_version < TLS1_VERSION)
1482 min_version = TLS1_VERSION;
1497 case OPT_SSL_CONFIG:
1498 ssl_config = opt_arg();
1501 min_version = SSL3_VERSION;
1502 max_version = SSL3_VERSION;
1505 min_version = TLS1_3_VERSION;
1506 max_version = TLS1_3_VERSION;
1509 min_version = TLS1_2_VERSION;
1510 max_version = TLS1_2_VERSION;
1513 min_version = TLS1_1_VERSION;
1514 max_version = TLS1_1_VERSION;
1517 min_version = TLS1_VERSION;
1518 max_version = TLS1_VERSION;
1521 #ifndef OPENSSL_NO_DTLS
1522 meth = DTLS_server_method();
1523 socket_type = SOCK_DGRAM;
1527 #ifndef OPENSSL_NO_DTLS
1528 meth = DTLS_server_method();
1529 min_version = DTLS1_VERSION;
1530 max_version = DTLS1_VERSION;
1531 socket_type = SOCK_DGRAM;
1535 #ifndef OPENSSL_NO_DTLS
1536 meth = DTLS_server_method();
1537 min_version = DTLS1_2_VERSION;
1538 max_version = DTLS1_2_VERSION;
1539 socket_type = SOCK_DGRAM;
1543 #ifndef OPENSSL_NO_SCTP
1544 protocol = IPPROTO_SCTP;
1547 case OPT_SCTP_LABEL_BUG:
1548 #ifndef OPENSSL_NO_SCTP
1553 #ifndef OPENSSL_NO_DTLS
1554 enable_timeouts = 1;
1558 #ifndef OPENSSL_NO_DTLS
1559 socket_mtu = atol(opt_arg());
1563 #ifndef OPENSSL_NO_DTLS
1571 session_id_prefix = opt_arg();
1574 #ifndef OPENSSL_NO_ENGINE
1575 engine = setup_engine(opt_arg(), s_debug);
1582 case OPT_PROV_CASES:
1583 if (!opt_provider(o))
1586 case OPT_SERVERNAME:
1587 tlsextcbp.servername = opt_arg();
1589 case OPT_SERVERNAME_FATAL:
1590 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1593 s_cert_file2 = opt_arg();
1596 s_key_file2 = opt_arg();
1598 case OPT_NEXTPROTONEG:
1599 # ifndef OPENSSL_NO_NEXTPROTONEG
1600 next_proto_neg_in = opt_arg();
1604 alpn_in = opt_arg();
1606 case OPT_SRTP_PROFILES:
1607 #ifndef OPENSSL_NO_SRTP
1608 srtp_profiles = opt_arg();
1611 case OPT_KEYMATEXPORT:
1612 keymatexportlabel = opt_arg();
1614 case OPT_KEYMATEXPORTLEN:
1615 keymatexportlen = atoi(opt_arg());
1620 case OPT_MAX_SEND_FRAG:
1621 max_send_fragment = atoi(opt_arg());
1623 case OPT_SPLIT_SEND_FRAG:
1624 split_send_fragment = atoi(opt_arg());
1626 case OPT_MAX_PIPELINES:
1627 max_pipelines = atoi(opt_arg());
1630 read_buf_len = atoi(opt_arg());
1632 case OPT_KEYLOG_FILE:
1633 keylog_file = opt_arg();
1636 max_early_data = atoi(opt_arg());
1637 if (max_early_data < 0) {
1638 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1642 case OPT_RECV_MAX_EARLY:
1643 recv_max_early_data = atoi(opt_arg());
1644 if (recv_max_early_data < 0) {
1645 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1649 case OPT_EARLY_DATA:
1651 if (max_early_data == -1)
1652 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1654 case OPT_HTTP_SERVER_BINMODE:
1655 http_server_binmode = 1;
1661 #ifndef OPENSSL_NO_KTLS
1665 case OPT_IGNORE_UNEXPECTED_EOF:
1666 ignore_unexpected_eof = 1;
1670 argc = opt_num_rest();
1673 #ifndef OPENSSL_NO_NEXTPROTONEG
1674 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1675 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1679 #ifndef OPENSSL_NO_DTLS
1680 if (www && socket_type == SOCK_DGRAM) {
1681 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1685 if (dtlslisten && socket_type != SOCK_DGRAM) {
1686 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1691 if (stateless && socket_type != SOCK_STREAM) {
1692 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1697 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1699 "Can't use unix sockets and datagrams together\n");
1703 if (early_data && (www > 0 || rev)) {
1705 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1709 #ifndef OPENSSL_NO_SCTP
1710 if (protocol == IPPROTO_SCTP) {
1711 if (socket_type != SOCK_DGRAM) {
1712 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1715 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1716 socket_type = SOCK_STREAM;
1720 #ifndef OPENSSL_NO_KTLS
1721 if (use_sendfile && www <= 1) {
1722 BIO_printf(bio_err, "Can't use -sendfile without -WWW or -HTTP\n");
1727 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1728 BIO_printf(bio_err, "Error getting password\n");
1732 if (s_key_file == NULL)
1733 s_key_file = s_cert_file;
1735 if (s_key_file2 == NULL)
1736 s_key_file2 = s_cert_file2;
1738 if (!load_excert(&exc))
1742 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1743 "server certificate private key");
1747 s_cert = load_cert_pass(s_cert_file, s_cert_format, pass,
1748 "server certificate");
1752 if (s_chain_file != NULL) {
1753 if (!load_certs(s_chain_file, &s_chain, NULL,
1754 "server certificate chain"))
1758 if (tlsextcbp.servername != NULL) {
1759 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1760 "second server certificate private key");
1764 s_cert2 = load_cert_pass(s_cert_file2, s_cert_format, pass,
1765 "second server certificate");
1767 if (s_cert2 == NULL)
1771 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1772 if (next_proto_neg_in) {
1773 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1774 if (next_proto.data == NULL)
1778 alpn_ctx.data = NULL;
1780 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1781 if (alpn_ctx.data == NULL)
1785 if (crl_file != NULL) {
1787 crl = load_crl(crl_file, crl_format, "CRL");
1790 crls = sk_X509_CRL_new_null();
1791 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1792 BIO_puts(bio_err, "Error adding CRL\n");
1793 ERR_print_errors(bio_err);
1799 if (s_dcert_file != NULL) {
1801 if (s_dkey_file == NULL)
1802 s_dkey_file = s_dcert_file;
1804 s_dkey = load_key(s_dkey_file, s_dkey_format,
1805 0, dpass, engine, "second certificate private key");
1809 s_dcert = load_cert_pass(s_dcert_file, s_dcert_format, dpass,
1810 "second server certificate");
1812 if (s_dcert == NULL) {
1813 ERR_print_errors(bio_err);
1816 if (s_dchain_file != NULL) {
1817 if (!load_certs(s_dchain_file, &s_dchain, NULL,
1818 "second server certificate chain"))
1824 if (bio_s_out == NULL) {
1825 if (s_quiet && !s_debug) {
1826 bio_s_out = BIO_new(BIO_s_null());
1827 if (s_msg && bio_s_msg == NULL)
1828 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1830 if (bio_s_out == NULL)
1831 bio_s_out = dup_bio_out(FORMAT_TEXT);
1834 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1840 s_dcert_file = NULL;
1842 s_cert_file2 = NULL;
1846 ctx = SSL_CTX_new(meth);
1848 ERR_print_errors(bio_err);
1852 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1855 ssl_ctx_security_debug(ctx, sdebug);
1857 if (!config_ctx(cctx, ssl_args, ctx))
1861 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1862 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1864 ERR_print_errors(bio_err);
1868 #ifndef OPENSSL_NO_SCTP
1869 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1870 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1873 if (min_version != 0
1874 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1876 if (max_version != 0
1877 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1880 if (session_id_prefix) {
1881 if (strlen(session_id_prefix) >= 32)
1883 "warning: id_prefix is too long, only one new session will be possible\n");
1884 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1885 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1886 ERR_print_errors(bio_err);
1889 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1892 ssl_ctx_set_excert(ctx, exc);
1895 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1897 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1899 init_session_cache_ctx(ctx);
1901 SSL_CTX_sess_set_cache_size(ctx, 128);
1904 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1908 SSL_CTX_set_options(ctx, SSL_OP_DISABLE_TLSEXT_CA_NAMES);
1911 if (ignore_unexpected_eof)
1912 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1914 if (max_send_fragment > 0
1915 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1916 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1917 prog, max_send_fragment);
1921 if (split_send_fragment > 0
1922 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1923 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1924 prog, split_send_fragment);
1927 if (max_pipelines > 0
1928 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1929 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1930 prog, max_pipelines);
1934 if (read_buf_len > 0) {
1935 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1937 #ifndef OPENSSL_NO_SRTP
1938 if (srtp_profiles != NULL) {
1939 /* Returns 0 on success! */
1940 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1941 BIO_printf(bio_err, "Error setting SRTP profile\n");
1942 ERR_print_errors(bio_err);
1948 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1949 CAstore, noCAstore)) {
1950 ERR_print_errors(bio_err);
1953 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1954 BIO_printf(bio_err, "Error setting verify params\n");
1955 ERR_print_errors(bio_err);
1959 ssl_ctx_add_crls(ctx, crls, 0);
1961 if (!ssl_load_stores(ctx,
1962 vfyCApath, vfyCAfile, vfyCAstore,
1963 chCApath, chCAfile, chCAstore,
1964 crls, crl_download)) {
1965 BIO_printf(bio_err, "Error loading store locations\n");
1966 ERR_print_errors(bio_err);
1971 ctx2 = SSL_CTX_new(meth);
1973 ERR_print_errors(bio_err);
1979 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1982 ssl_ctx_security_debug(ctx2, sdebug);
1984 if (session_id_prefix) {
1985 if (strlen(session_id_prefix) >= 32)
1987 "warning: id_prefix is too long, only one new session will be possible\n");
1988 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1989 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1990 ERR_print_errors(bio_err);
1993 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1996 ssl_ctx_set_excert(ctx2, exc);
1999 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
2002 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
2004 init_session_cache_ctx(ctx2);
2006 SSL_CTX_sess_set_cache_size(ctx2, 128);
2009 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
2011 if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath,
2012 noCApath, CAstore, noCAstore)) {
2013 ERR_print_errors(bio_err);
2016 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
2017 BIO_printf(bio_err, "Error setting verify params\n");
2018 ERR_print_errors(bio_err);
2022 ssl_ctx_add_crls(ctx2, crls, 0);
2023 if (!config_ctx(cctx, ssl_args, ctx2))
2026 #ifndef OPENSSL_NO_NEXTPROTONEG
2027 if (next_proto.data)
2028 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
2032 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
2034 #ifndef OPENSSL_NO_DH
2039 dh = load_dh_param(dhfile);
2040 else if (s_cert_file != NULL)
2041 dh = load_dh_param(s_cert_file);
2044 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2046 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
2048 (void)BIO_flush(bio_s_out);
2051 SSL_CTX_set_dh_auto(ctx, 1);
2052 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
2053 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2054 ERR_print_errors(bio_err);
2061 DH *dh2 = load_dh_param(s_cert_file2);
2063 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2064 (void)BIO_flush(bio_s_out);
2071 SSL_CTX_set_dh_auto(ctx2, 1);
2072 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
2073 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2074 ERR_print_errors(bio_err);
2083 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2086 if (s_serverinfo_file != NULL
2087 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2088 ERR_print_errors(bio_err);
2093 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
2096 if (s_dcert != NULL) {
2097 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2101 if (no_resume_ephemeral) {
2102 SSL_CTX_set_not_resumable_session_callback(ctx,
2103 not_resumable_sess_cb);
2106 SSL_CTX_set_not_resumable_session_callback(ctx2,
2107 not_resumable_sess_cb);
2109 #ifndef OPENSSL_NO_PSK
2110 if (psk_key != NULL) {
2112 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2113 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2116 if (psk_identity_hint != NULL) {
2117 if (min_version == TLS1_3_VERSION) {
2118 BIO_printf(bio_s_out, "PSK warning: there is NO identity hint in TLSv1.3\n");
2120 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2121 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2122 ERR_print_errors(bio_err);
2128 if (psksessf != NULL) {
2129 BIO *stmp = BIO_new_file(psksessf, "r");
2132 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2133 ERR_print_errors(bio_err);
2136 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2138 if (psksess == NULL) {
2139 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2140 ERR_print_errors(bio_err);
2146 if (psk_key != NULL || psksess != NULL)
2147 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2149 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2150 if (!SSL_CTX_set_session_id_context(ctx,
2151 (void *)&s_server_session_id_context,
2152 sizeof(s_server_session_id_context))) {
2153 BIO_printf(bio_err, "error setting session id context\n");
2154 ERR_print_errors(bio_err);
2158 /* Set DTLS cookie generation and verification callbacks */
2159 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2160 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2162 /* Set TLS1.3 cookie generation and verification callbacks */
2163 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2164 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2167 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2168 if (!SSL_CTX_set_session_id_context(ctx2,
2169 (void *)&s_server_session_id_context,
2170 sizeof(s_server_session_id_context))) {
2171 BIO_printf(bio_err, "error setting session id context\n");
2172 ERR_print_errors(bio_err);
2175 tlsextcbp.biodebug = bio_s_out;
2176 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2177 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2178 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2179 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2182 #ifndef OPENSSL_NO_SRP
2183 if (srp_verifier_file != NULL) {
2184 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2185 srp_callback_parm.user = NULL;
2186 srp_callback_parm.login = NULL;
2188 SRP_VBASE_init(srp_callback_parm.vb,
2189 srp_verifier_file)) != SRP_NO_ERROR) {
2191 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2192 srp_verifier_file, ret);
2195 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2196 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2197 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2200 if (CAfile != NULL) {
2201 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2204 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2206 #ifndef OPENSSL_NO_OCSP
2207 if (s_tlsextstatus) {
2208 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2209 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2211 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2212 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2216 if (set_keylog_file(ctx, keylog_file))
2219 if (max_early_data >= 0)
2220 SSL_CTX_set_max_early_data(ctx, max_early_data);
2221 if (recv_max_early_data >= 0)
2222 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2225 server_cb = rev_body;
2227 server_cb = www_body;
2229 server_cb = sv_body;
2231 if (socket_family == AF_UNIX
2232 && unlink_unix_path)
2235 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2236 server_cb, context, naccept, bio_s_out);
2237 print_stats(bio_s_out, ctx);
2241 SSL_SESSION_free(psksess);
2242 set_keylog_file(NULL, NULL);
2244 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2246 EVP_PKEY_free(s_key);
2247 EVP_PKEY_free(s_dkey);
2248 sk_X509_pop_free(s_chain, X509_free);
2249 sk_X509_pop_free(s_dchain, X509_free);
2251 OPENSSL_free(dpass);
2254 X509_VERIFY_PARAM_free(vpm);
2256 OPENSSL_free(tlscstatp.host);
2257 OPENSSL_free(tlscstatp.port);
2258 OPENSSL_free(tlscstatp.path);
2261 EVP_PKEY_free(s_key2);
2262 #ifndef OPENSSL_NO_NEXTPROTONEG
2263 OPENSSL_free(next_proto.data);
2265 OPENSSL_free(alpn_ctx.data);
2266 ssl_excert_free(exc);
2267 sk_OPENSSL_STRING_free(ssl_args);
2268 SSL_CONF_CTX_free(cctx);
2269 release_engine(engine);
2270 BIO_free(bio_s_out);
2272 BIO_free(bio_s_msg);
2274 #ifdef CHARSET_EBCDIC
2275 BIO_meth_free(methods_ebcdic);
2280 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2282 BIO_printf(bio, "%4ld items in the session cache\n",
2283 SSL_CTX_sess_number(ssl_ctx));
2284 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2285 SSL_CTX_sess_connect(ssl_ctx));
2286 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2287 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2288 BIO_printf(bio, "%4ld client connects that finished\n",
2289 SSL_CTX_sess_connect_good(ssl_ctx));
2290 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2291 SSL_CTX_sess_accept(ssl_ctx));
2292 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2293 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2294 BIO_printf(bio, "%4ld server accepts that finished\n",
2295 SSL_CTX_sess_accept_good(ssl_ctx));
2296 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2297 BIO_printf(bio, "%4ld session cache misses\n",
2298 SSL_CTX_sess_misses(ssl_ctx));
2299 BIO_printf(bio, "%4ld session cache timeouts\n",
2300 SSL_CTX_sess_timeouts(ssl_ctx));
2301 BIO_printf(bio, "%4ld callback cache hits\n",
2302 SSL_CTX_sess_cb_hits(ssl_ctx));
2303 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2304 SSL_CTX_sess_cache_full(ssl_ctx),
2305 SSL_CTX_sess_get_cache_size(ssl_ctx));
2308 static int sv_body(int s, int stype, int prot, unsigned char *context)
2317 struct timeval timeout;
2318 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2319 struct timeval *timeoutp;
2321 #ifndef OPENSSL_NO_DTLS
2322 # ifndef OPENSSL_NO_SCTP
2323 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2325 int isdtls = (stype == SOCK_DGRAM);
2329 buf = app_malloc(bufsize, "server buffer");
2331 if (!BIO_socket_nbio(s, 1))
2332 ERR_print_errors(bio_err);
2334 BIO_printf(bio_err, "Turned on non blocking io\n");
2343 if (s_tlsextdebug) {
2344 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2345 SSL_set_tlsext_debug_arg(con, bio_s_out);
2349 && !SSL_set_session_id_context(con, context,
2350 strlen((char *)context))) {
2351 BIO_printf(bio_err, "Error setting session id context\n");
2356 if (!SSL_clear(con)) {
2357 BIO_printf(bio_err, "Error clearing SSL connection\n");
2361 #ifndef OPENSSL_NO_DTLS
2363 # ifndef OPENSSL_NO_SCTP
2364 if (prot == IPPROTO_SCTP)
2365 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2368 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2370 if (enable_timeouts) {
2372 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2373 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2376 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2377 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2381 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2382 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2383 DTLS_get_link_min_mtu(con));
2388 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2389 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2390 BIO_printf(bio_err, "Failed to set MTU\n");
2396 /* want to do MTU discovery */
2397 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2399 # ifndef OPENSSL_NO_SCTP
2400 if (prot != IPPROTO_SCTP)
2402 /* Turn on cookie exchange. Not necessary for SCTP */
2403 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2406 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2409 BIO_printf(bio_err, "Unable to create BIO\n");
2410 ERR_print_errors(bio_err);
2417 test = BIO_new(BIO_f_nbio_test());
2418 sbio = BIO_push(test, sbio);
2421 SSL_set_bio(con, sbio, sbio);
2422 SSL_set_accept_state(con);
2423 /* SSL_set_fd(con,s); */
2426 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2427 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2430 #ifndef OPENSSL_NO_SSL_TRACE
2432 SSL_set_msg_callback(con, SSL_trace);
2435 SSL_set_msg_callback(con, msg_cb);
2436 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2439 if (s_tlsextdebug) {
2440 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2441 SSL_set_tlsext_debug_arg(con, bio_s_out);
2445 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2448 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2450 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2451 if (edret != SSL_READ_EARLY_DATA_ERROR)
2454 switch (SSL_get_error(con, 0)) {
2455 case SSL_ERROR_WANT_WRITE:
2456 case SSL_ERROR_WANT_ASYNC:
2457 case SSL_ERROR_WANT_READ:
2458 /* Just keep trying - busy waiting */
2461 BIO_printf(bio_err, "Error reading early data\n");
2462 ERR_print_errors(bio_err);
2466 if (readbytes > 0) {
2468 BIO_printf(bio_s_out, "Early data received:\n");
2471 raw_write_stdout(buf, (unsigned int)readbytes);
2472 (void)BIO_flush(bio_s_out);
2476 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2477 BIO_printf(bio_s_out, "No early data received\n");
2479 BIO_printf(bio_s_out, "Early data was rejected\n");
2481 BIO_printf(bio_s_out, "\nEnd of early data\n");
2483 if (SSL_is_init_finished(con))
2484 print_connection_info(con);
2487 if (fileno_stdin() > s)
2488 width = fileno_stdin() + 1;
2492 int read_from_terminal;
2493 int read_from_sslcon;
2495 read_from_terminal = 0;
2496 read_from_sslcon = SSL_has_pending(con)
2497 || (async && SSL_waiting_for_async(con));
2499 if (!read_from_sslcon) {
2501 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2502 openssl_fdset(fileno_stdin(), &readfds);
2504 openssl_fdset(s, &readfds);
2506 * Note: under VMS with SOCKETSHR the second parameter is
2507 * currently of type (int *) whereas under other systems it is
2508 * (void *) if you don't have a cast it will choke the compiler:
2509 * if you do have a cast then you can either go for (int *) or
2512 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2514 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2515 * only on sockets. As a workaround we timeout the select every
2516 * second and check for any keypress. In a proper Windows
2517 * application we wouldn't do this because it is inefficient.
2520 timeout.tv_usec = 0;
2521 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2522 if (has_stdin_waiting())
2523 read_from_terminal = 1;
2524 if ((i < 0) || (!i && !read_from_terminal))
2527 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2528 timeoutp = &timeout;
2532 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2534 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2535 BIO_printf(bio_err, "TIMEOUT occurred\n");
2539 if (FD_ISSET(fileno_stdin(), &readfds))
2540 read_from_terminal = 1;
2542 if (FD_ISSET(s, &readfds))
2543 read_from_sslcon = 1;
2545 if (read_from_terminal) {
2549 i = raw_read_stdin(buf, bufsize / 2);
2551 /* both loops are skipped when i <= 0 */
2552 for (j = 0; j < i; j++)
2555 for (j = i - 1; j >= 0; j--) {
2556 buf[j + lf_num] = buf[j];
2557 if (buf[j] == '\n') {
2560 buf[j + lf_num] = '\r';
2563 assert(lf_num == 0);
2565 i = raw_read_stdin(buf, bufsize);
2568 if (!s_quiet && !s_brief) {
2569 if ((i <= 0) || (buf[0] == 'Q')) {
2570 BIO_printf(bio_s_out, "DONE\n");
2571 (void)BIO_flush(bio_s_out);
2573 close_accept_socket();
2577 if ((i <= 0) || (buf[0] == 'q')) {
2578 BIO_printf(bio_s_out, "DONE\n");
2579 (void)BIO_flush(bio_s_out);
2580 if (SSL_version(con) != DTLS1_VERSION)
2583 * close_accept_socket(); ret= -11;
2587 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2588 SSL_renegotiate(con);
2589 i = SSL_do_handshake(con);
2590 printf("SSL_do_handshake -> %d\n", i);
2594 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2596 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2598 SSL_renegotiate(con);
2599 i = SSL_do_handshake(con);
2600 printf("SSL_do_handshake -> %d\n", i);
2604 if ((buf[0] == 'K' || buf[0] == 'k')
2605 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2606 SSL_key_update(con, buf[0] == 'K' ?
2607 SSL_KEY_UPDATE_REQUESTED
2608 : SSL_KEY_UPDATE_NOT_REQUESTED);
2609 i = SSL_do_handshake(con);
2610 printf("SSL_do_handshake -> %d\n", i);
2614 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2615 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2616 i = SSL_verify_client_post_handshake(con);
2618 printf("Failed to initiate request\n");
2619 ERR_print_errors(bio_err);
2621 i = SSL_do_handshake(con);
2622 printf("SSL_do_handshake -> %d\n", i);
2627 if (buf[0] == 'P') {
2628 static const char str[] = "Lets print some clear text\n";
2629 BIO_write(SSL_get_wbio(con), str, sizeof(str) -1);
2631 if (buf[0] == 'S') {
2632 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2635 #ifdef CHARSET_EBCDIC
2636 ebcdic2ascii(buf, buf, i);
2640 /* should do a select for the write */
2643 if (++count == 100) {
2645 SSL_renegotiate(con);
2648 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2649 #ifndef OPENSSL_NO_SRP
2650 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2651 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2652 SRP_user_pwd_free(srp_callback_parm.user);
2653 srp_callback_parm.user =
2654 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2655 srp_callback_parm.login);
2656 if (srp_callback_parm.user)
2657 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2658 srp_callback_parm.user->info);
2660 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2661 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2664 switch (SSL_get_error(con, k)) {
2665 case SSL_ERROR_NONE:
2667 case SSL_ERROR_WANT_ASYNC:
2668 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2669 (void)BIO_flush(bio_s_out);
2670 wait_for_async(con);
2672 case SSL_ERROR_WANT_WRITE:
2673 case SSL_ERROR_WANT_READ:
2674 case SSL_ERROR_WANT_X509_LOOKUP:
2675 BIO_printf(bio_s_out, "Write BLOCK\n");
2676 (void)BIO_flush(bio_s_out);
2678 case SSL_ERROR_WANT_ASYNC_JOB:
2680 * This shouldn't ever happen in s_server. Treat as an error
2682 case SSL_ERROR_SYSCALL:
2684 BIO_printf(bio_s_out, "ERROR\n");
2685 (void)BIO_flush(bio_s_out);
2686 ERR_print_errors(bio_err);
2690 case SSL_ERROR_ZERO_RETURN:
2691 BIO_printf(bio_s_out, "DONE\n");
2692 (void)BIO_flush(bio_s_out);
2704 if (read_from_sslcon) {
2706 * init_ssl_connection handles all async events itself so if we're
2707 * waiting for async then we shouldn't go back into
2708 * init_ssl_connection
2710 if ((!async || !SSL_waiting_for_async(con))
2711 && !SSL_is_init_finished(con)) {
2712 i = init_ssl_connection(con);
2717 } else if (i == 0) {
2723 i = SSL_read(con, (char *)buf, bufsize);
2724 #ifndef OPENSSL_NO_SRP
2725 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2726 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2727 SRP_user_pwd_free(srp_callback_parm.user);
2728 srp_callback_parm.user =
2729 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2730 srp_callback_parm.login);
2731 if (srp_callback_parm.user)
2732 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2733 srp_callback_parm.user->info);
2735 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2736 i = SSL_read(con, (char *)buf, bufsize);
2739 switch (SSL_get_error(con, i)) {
2740 case SSL_ERROR_NONE:
2741 #ifdef CHARSET_EBCDIC
2742 ascii2ebcdic(buf, buf, i);
2744 raw_write_stdout(buf, (unsigned int)i);
2745 (void)BIO_flush(bio_s_out);
2746 if (SSL_has_pending(con))
2749 case SSL_ERROR_WANT_ASYNC:
2750 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2751 (void)BIO_flush(bio_s_out);
2752 wait_for_async(con);
2754 case SSL_ERROR_WANT_WRITE:
2755 case SSL_ERROR_WANT_READ:
2756 BIO_printf(bio_s_out, "Read 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);
2770 case SSL_ERROR_ZERO_RETURN:
2771 BIO_printf(bio_s_out, "DONE\n");
2772 (void)BIO_flush(bio_s_out);
2781 BIO_printf(bio_s_out, "shutting down SSL\n");
2782 do_ssl_shutdown(con);
2785 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2786 OPENSSL_clear_free(buf, bufsize);
2790 static void close_accept_socket(void)
2792 BIO_printf(bio_err, "shutdown accept socket\n");
2793 if (accept_socket >= 0) {
2794 BIO_closesocket(accept_socket);
2798 static int is_retryable(SSL *con, int i)
2800 int err = SSL_get_error(con, i);
2802 /* If it's not a fatal error, it must be retryable */
2803 return (err != SSL_ERROR_SSL)
2804 && (err != SSL_ERROR_SYSCALL)
2805 && (err != SSL_ERROR_ZERO_RETURN);
2808 static int init_ssl_connection(SSL *con)
2814 if (dtlslisten || stateless) {
2815 BIO_ADDR *client = NULL;
2818 if ((client = BIO_ADDR_new()) == NULL) {
2819 BIO_printf(bio_err, "ERROR - memory\n");
2822 i = DTLSv1_listen(con, client);
2824 i = SSL_stateless(con);
2831 wbio = SSL_get_wbio(con);
2833 BIO_get_fd(wbio, &fd);
2836 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2837 BIO_printf(bio_err, "ERROR - unable to connect\n");
2838 BIO_ADDR_free(client);
2842 (void)BIO_ctrl_set_connected(wbio, client);
2843 BIO_ADDR_free(client);
2848 i = SSL_accept(con);
2850 BIO_ADDR_free(client);
2854 i = SSL_accept(con);
2857 retry = is_retryable(con, i);
2858 #ifdef CERT_CB_TEST_RETRY
2861 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2862 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2864 "LOOKUP from certificate callback during accept\n");
2865 i = SSL_accept(con);
2867 retry = is_retryable(con, i);
2872 #ifndef OPENSSL_NO_SRP
2874 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2875 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2876 srp_callback_parm.login);
2877 SRP_user_pwd_free(srp_callback_parm.user);
2878 srp_callback_parm.user =
2879 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2880 srp_callback_parm.login);
2881 if (srp_callback_parm.user)
2882 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2883 srp_callback_parm.user->info);
2885 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2886 i = SSL_accept(con);
2888 retry = is_retryable(con, i);
2891 } while (i < 0 && SSL_waiting_for_async(con));
2895 if (((dtlslisten || stateless) && i == 0)
2896 || (!dtlslisten && !stateless && retry)) {
2897 BIO_printf(bio_s_out, "DELAY\n");
2901 BIO_printf(bio_err, "ERROR\n");
2903 verify_err = SSL_get_verify_result(con);
2904 if (verify_err != X509_V_OK) {
2905 BIO_printf(bio_err, "verify error:%s\n",
2906 X509_verify_cert_error_string(verify_err));
2908 /* Always print any error messages */
2909 ERR_print_errors(bio_err);
2913 print_connection_info(con);
2917 static void print_connection_info(SSL *con)
2922 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2923 const unsigned char *next_proto_neg;
2924 unsigned next_proto_neg_len;
2926 unsigned char *exportedkeymat;
2930 print_ssl_summary(con);
2932 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2934 peer = SSL_get0_peer_certificate(con);
2936 BIO_printf(bio_s_out, "Client certificate\n");
2937 PEM_write_bio_X509(bio_s_out, peer);
2938 dump_cert_text(bio_s_out, peer);
2942 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2943 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2944 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2945 ssl_print_sigalgs(bio_s_out, con);
2946 #ifndef OPENSSL_NO_EC
2947 ssl_print_point_formats(bio_s_out, con);
2948 ssl_print_groups(bio_s_out, con, 0);
2950 print_ca_names(bio_s_out, con);
2951 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2953 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2954 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2955 if (next_proto_neg) {
2956 BIO_printf(bio_s_out, "NEXTPROTO is ");
2957 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2958 BIO_printf(bio_s_out, "\n");
2961 #ifndef OPENSSL_NO_SRTP
2963 SRTP_PROTECTION_PROFILE *srtp_profile
2964 = SSL_get_selected_srtp_profile(con);
2967 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2968 srtp_profile->name);
2971 if (SSL_session_reused(con))
2972 BIO_printf(bio_s_out, "Reused session-id\n");
2973 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2974 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2975 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2976 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2978 if (keymatexportlabel != NULL) {
2979 BIO_printf(bio_s_out, "Keying material exporter:\n");
2980 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2981 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2982 exportedkeymat = app_malloc(keymatexportlen, "export key");
2983 if (!SSL_export_keying_material(con, exportedkeymat,
2986 strlen(keymatexportlabel),
2988 BIO_printf(bio_s_out, " Error\n");
2990 BIO_printf(bio_s_out, " Keying material: ");
2991 for (i = 0; i < keymatexportlen; i++)
2992 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2993 BIO_printf(bio_s_out, "\n");
2995 OPENSSL_free(exportedkeymat);
2997 #ifndef OPENSSL_NO_KTLS
2998 if (BIO_get_ktls_send(SSL_get_wbio(con)))
2999 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3000 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
3001 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
3004 (void)BIO_flush(bio_s_out);
3007 #ifndef OPENSSL_NO_DH
3008 static DH *load_dh_param(const char *dhfile)
3013 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
3015 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
3022 static int www_body(int s, int stype, int prot, unsigned char *context)
3028 const SSL_CIPHER *c;
3029 BIO *io, *ssl_bio, *sbio;
3031 int total_bytes = 0;
3037 /* Set width for a select call if needed */
3040 buf = app_malloc(bufsize, "server www buffer");
3041 io = BIO_new(BIO_f_buffer());
3042 ssl_bio = BIO_new(BIO_f_ssl());
3043 if ((io == NULL) || (ssl_bio == NULL))
3047 if (!BIO_socket_nbio(s, 1))
3048 ERR_print_errors(bio_err);
3050 BIO_printf(bio_err, "Turned on non blocking io\n");
3053 /* lets make the output buffer a reasonable size */
3054 if (!BIO_set_write_buffer_size(io, bufsize))
3057 if ((con = SSL_new(ctx)) == NULL)
3060 if (s_tlsextdebug) {
3061 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3062 SSL_set_tlsext_debug_arg(con, bio_s_out);
3066 && !SSL_set_session_id_context(con, context,
3067 strlen((char *)context))) {
3072 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3076 test = BIO_new(BIO_f_nbio_test());
3077 sbio = BIO_push(test, sbio);
3079 SSL_set_bio(con, sbio, sbio);
3080 SSL_set_accept_state(con);
3082 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3083 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3084 BIO_push(io, ssl_bio);
3085 #ifdef CHARSET_EBCDIC
3086 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3090 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3091 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3094 #ifndef OPENSSL_NO_SSL_TRACE
3096 SSL_set_msg_callback(con, SSL_trace);
3099 SSL_set_msg_callback(con, msg_cb);
3100 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3104 i = BIO_gets(io, buf, bufsize - 1);
3105 if (i < 0) { /* error */
3106 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3108 ERR_print_errors(bio_err);
3111 BIO_printf(bio_s_out, "read R BLOCK\n");
3112 #ifndef OPENSSL_NO_SRP
3113 if (BIO_should_io_special(io)
3114 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3115 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3116 SRP_user_pwd_free(srp_callback_parm.user);
3117 srp_callback_parm.user =
3118 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3119 srp_callback_parm.login);
3120 if (srp_callback_parm.user)
3121 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3122 srp_callback_parm.user->info);
3124 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3128 #if !defined(OPENSSL_SYS_MSDOS)
3133 } else if (i == 0) { /* end of input */
3138 /* else we have data */
3139 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3140 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3143 STACK_OF(SSL_CIPHER) *sk;
3144 static const char *space = " ";
3146 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3147 if (strncmp("GET /renegcert", buf, 14) == 0)
3149 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3151 i = SSL_renegotiate(con);
3152 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3153 /* Send the HelloRequest */
3154 i = SSL_do_handshake(con);
3156 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3157 SSL_get_error(con, i));
3158 ERR_print_errors(bio_err);
3161 /* Wait for a ClientHello to come back */
3163 openssl_fdset(s, &readfds);
3164 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3165 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3166 BIO_printf(bio_s_out,
3167 "Error waiting for client response\n");
3168 ERR_print_errors(bio_err);
3172 * We're not actually expecting any data here and we ignore
3173 * any that is sent. This is just to force the handshake that
3174 * we're expecting to come from the client. If they haven't
3175 * sent one there's not much we can do.
3177 BIO_gets(io, buf, bufsize - 1);
3181 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3182 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3183 BIO_puts(io, "<pre>\n");
3184 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3186 for (i = 0; i < local_argc; i++) {
3188 for (myp = local_argv[i]; *myp; myp++)
3191 BIO_puts(io, "<");
3194 BIO_puts(io, ">");
3197 BIO_puts(io, "&");
3200 BIO_write(io, myp, 1);
3203 BIO_write(io, " ", 1);
3208 "Secure Renegotiation IS%s supported\n",
3209 SSL_get_secure_renegotiation_support(con) ?
3213 * The following is evil and should not really be done
3215 BIO_printf(io, "Ciphers supported in s_server binary\n");
3216 sk = SSL_get_ciphers(con);
3217 j = sk_SSL_CIPHER_num(sk);
3218 for (i = 0; i < j; i++) {
3219 c = sk_SSL_CIPHER_value(sk, i);
3220 BIO_printf(io, "%-11s:%-25s ",
3221 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3222 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3226 p = SSL_get_shared_ciphers(con, buf, bufsize);
3229 "---\nCiphers common between both SSL end points:\n");
3233 BIO_write(io, space, 26 - j);
3236 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3238 BIO_write(io, p, 1);
3245 ssl_print_sigalgs(io, con);
3246 #ifndef OPENSSL_NO_EC
3247 ssl_print_groups(io, con, 0);
3249 print_ca_names(io, con);
3250 BIO_printf(io, (SSL_session_reused(con)
3251 ? "---\nReused, " : "---\nNew, "));
3252 c = SSL_get_current_cipher(con);
3253 BIO_printf(io, "%s, Cipher is %s\n",
3254 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3255 SSL_SESSION_print(io, SSL_get_session(con));
3256 BIO_printf(io, "---\n");
3257 print_stats(io, SSL_get_SSL_CTX(con));
3258 BIO_printf(io, "---\n");
3259 peer = SSL_get0_peer_certificate(con);
3261 BIO_printf(io, "Client certificate\n");
3262 X509_print(io, peer);
3263 PEM_write_bio_X509(io, peer);
3266 BIO_puts(io, "no client certificate available\n");
3268 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3270 } else if ((www == 2 || www == 3)
3271 && (strncmp("GET /", buf, 5) == 0)) {
3274 static const char *text =
3275 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3281 for (e = p; *e != '\0'; e++) {
3286 /* Windows drive. We treat this the same way as ".." */
3293 dot = (e[0] == '.') ? 2 : 0;
3296 dot = (e[0] == '.') ? 3 : 0;
3299 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
3303 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
3305 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3310 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3317 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
3321 if (*p == '/' || *p == '\\') {
3323 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3327 /* if a directory, do the index thang */
3328 if (app_isdir(p) > 0) {
3330 BIO_printf(io, "'%s' is a directory\r\n", p);
3334 opmode = (http_server_binmode == 1) ? "rb" : "r";
3335 if ((file = BIO_new_file(p, opmode)) == NULL) {
3337 BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
3338 ERR_print_errors(io);
3343 BIO_printf(bio_err, "FILE:%s\n", p);
3347 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3348 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3349 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3351 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3354 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3357 #ifndef OPENSSL_NO_KTLS
3365 BIO_get_fp(file, &fp);
3367 if (fstat(fd, &st) < 0) {
3368 BIO_printf(io, "Error fstat '%s'\r\n", p);
3369 ERR_print_errors(io);
3373 filesize = st.st_size;
3374 if (((int)BIO_flush(io)) < 0)
3378 i = SSL_sendfile(con, fd, offset, filesize, 0);
3380 BIO_printf(io, "Error SSL_sendfile '%s'\r\n", p);
3381 ERR_print_errors(io);
3388 if (filesize <= 0) {
3390 BIO_printf(bio_err, "KTLS SENDFILE '%s' OK\n", p);
3399 i = BIO_read(file, buf, bufsize);
3405 BIO_printf(bio_err, "%d\n", i);
3406 if (total_bytes > 3 * 1024) {
3408 BIO_printf(bio_err, "RENEGOTIATE\n");
3409 SSL_renegotiate(con);
3413 for (j = 0; j < i;) {
3417 SSL_renegotiate(con);
3419 k = BIO_write(io, &(buf[j]), i - j);
3421 if (!BIO_should_retry(io)
3422 && !SSL_waiting_for_async(con)) {
3425 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3440 i = (int)BIO_flush(io);
3442 if (!BIO_should_retry(io))
3448 /* make sure we re-use sessions */
3449 do_ssl_shutdown(con);
3457 static int rev_body(int s, int stype, int prot, unsigned char *context)
3463 BIO *io, *ssl_bio, *sbio;
3465 buf = app_malloc(bufsize, "server rev buffer");
3466 io = BIO_new(BIO_f_buffer());
3467 ssl_bio = BIO_new(BIO_f_ssl());
3468 if ((io == NULL) || (ssl_bio == NULL))
3471 /* lets make the output buffer a reasonable size */
3472 if (!BIO_set_write_buffer_size(io, bufsize))
3475 if ((con = SSL_new(ctx)) == NULL)
3478 if (s_tlsextdebug) {
3479 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3480 SSL_set_tlsext_debug_arg(con, bio_s_out);
3483 && !SSL_set_session_id_context(con, context,
3484 strlen((char *)context))) {
3486 ERR_print_errors(bio_err);
3490 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3491 SSL_set_bio(con, sbio, sbio);
3492 SSL_set_accept_state(con);
3494 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3495 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3496 BIO_push(io, ssl_bio);
3497 #ifdef CHARSET_EBCDIC
3498 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3502 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3503 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3506 #ifndef OPENSSL_NO_SSL_TRACE
3508 SSL_set_msg_callback(con, SSL_trace);
3511 SSL_set_msg_callback(con, msg_cb);
3512 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3516 i = BIO_do_handshake(io);
3519 if (!BIO_should_retry(io)) {
3520 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3521 ERR_print_errors(bio_err);
3524 #ifndef OPENSSL_NO_SRP
3525 if (BIO_should_io_special(io)
3526 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3527 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3528 SRP_user_pwd_free(srp_callback_parm.user);
3529 srp_callback_parm.user =
3530 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3531 srp_callback_parm.login);
3532 if (srp_callback_parm.user)
3533 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3534 srp_callback_parm.user->info);
3536 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3541 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3542 print_ssl_summary(con);
3545 i = BIO_gets(io, buf, bufsize - 1);
3546 if (i < 0) { /* error */
3547 if (!BIO_should_retry(io)) {
3549 ERR_print_errors(bio_err);
3552 BIO_printf(bio_s_out, "read R BLOCK\n");
3553 #ifndef OPENSSL_NO_SRP
3554 if (BIO_should_io_special(io)
3555 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3556 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3557 SRP_user_pwd_free(srp_callback_parm.user);
3558 srp_callback_parm.user =
3559 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3560 srp_callback_parm.login);
3561 if (srp_callback_parm.user)
3562 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3563 srp_callback_parm.user->info);
3565 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3569 #if !defined(OPENSSL_SYS_MSDOS)
3574 } else if (i == 0) { /* end of input */
3576 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3579 char *p = buf + i - 1;
3580 while (i && (*p == '\n' || *p == '\r')) {
3584 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3586 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3589 BUF_reverse((unsigned char *)buf, NULL, i);
3591 BIO_write(io, buf, i + 1);
3596 if (!BIO_should_retry(io))
3602 /* make sure we re-use sessions */
3603 do_ssl_shutdown(con);
3612 #define MAX_SESSION_ID_ATTEMPTS 10
3613 static int generate_session_id(SSL *ssl, unsigned char *id,
3614 unsigned int *id_len)
3616 unsigned int count = 0;
3617 unsigned int session_id_prefix_len = strlen(session_id_prefix);
3620 if (RAND_bytes(id, *id_len) <= 0)
3623 * Prefix the session_id with the required prefix. NB: If our prefix
3624 * is too long, clip it - but there will be worse effects anyway, eg.
3625 * the server could only possibly create 1 session ID (ie. the
3626 * prefix!) so all future session negotiations will fail due to
3629 memcpy(id, session_id_prefix,
3630 (session_id_prefix_len < *id_len) ?
3631 session_id_prefix_len : *id_len);
3633 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3634 (++count < MAX_SESSION_ID_ATTEMPTS));
3635 if (count >= MAX_SESSION_ID_ATTEMPTS)
3641 * By default s_server uses an in-memory cache which caches SSL_SESSION
3642 * structures without any serialization. This hides some bugs which only
3643 * become apparent in deployed servers. By implementing a basic external
3644 * session cache some issues can be debugged using s_server.
3647 typedef struct simple_ssl_session_st {
3652 struct simple_ssl_session_st *next;
3653 } simple_ssl_session;
3655 static simple_ssl_session *first = NULL;
3657 static int add_session(SSL *ssl, SSL_SESSION *session)
3659 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3662 SSL_SESSION_get_id(session, &sess->idlen);
3663 sess->derlen = i2d_SSL_SESSION(session, NULL);
3664 if (sess->derlen < 0) {
3665 BIO_printf(bio_err, "Error encoding session\n");
3670 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3671 sess->der = app_malloc(sess->derlen, "get session buffer");
3673 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3674 OPENSSL_free(sess->id);
3675 OPENSSL_free(sess->der);
3681 /* Assume it still works. */
3682 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3683 BIO_printf(bio_err, "Unexpected session encoding length\n");
3684 OPENSSL_free(sess->id);
3685 OPENSSL_free(sess->der);
3692 BIO_printf(bio_err, "New session added to external cache\n");
3696 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3699 simple_ssl_session *sess;
3701 for (sess = first; sess; sess = sess->next) {
3702 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3703 const unsigned char *p = sess->der;
3704 BIO_printf(bio_err, "Lookup session: cache hit\n");
3705 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3708 BIO_printf(bio_err, "Lookup session: cache miss\n");
3712 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3714 simple_ssl_session *sess, *prev = NULL;
3715 const unsigned char *id;
3717 id = SSL_SESSION_get_id(session, &idlen);
3718 for (sess = first; sess; sess = sess->next) {
3719 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3721 prev->next = sess->next;
3724 OPENSSL_free(sess->id);
3725 OPENSSL_free(sess->der);
3733 static void init_session_cache_ctx(SSL_CTX *sctx)
3735 SSL_CTX_set_session_cache_mode(sctx,
3736 SSL_SESS_CACHE_NO_INTERNAL |
3737 SSL_SESS_CACHE_SERVER);
3738 SSL_CTX_sess_set_new_cb(sctx, add_session);
3739 SSL_CTX_sess_set_get_cb(sctx, get_session);
3740 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3743 static void free_sessions(void)
3745 simple_ssl_session *sess, *tsess;
3746 for (sess = first; sess;) {
3747 OPENSSL_free(sess->id);
3748 OPENSSL_free(sess->der);
3751 OPENSSL_free(tsess);
3756 #endif /* OPENSSL_NO_SOCK */