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 DEFINE_STACK_OF(X509_EXTENSION)
64 DEFINE_STACK_OF(X509_CRL)
66 DEFINE_STACK_OF(SSL_CIPHER)
67 DEFINE_STACK_OF_STRING()
69 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
70 static int sv_body(int s, int stype, int prot, unsigned char *context);
71 static int www_body(int s, int stype, int prot, unsigned char *context);
72 static int rev_body(int s, int stype, int prot, unsigned char *context);
73 static void close_accept_socket(void);
74 static int init_ssl_connection(SSL *s);
75 static void print_stats(BIO *bp, SSL_CTX *ctx);
76 static int generate_session_id(SSL *ssl, unsigned char *id,
77 unsigned int *id_len);
78 static void init_session_cache_ctx(SSL_CTX *sctx);
79 static void free_sessions(void);
81 static DH *load_dh_param(const char *dhfile);
83 static void print_connection_info(SSL *con);
85 static const int bufsize = 16 * 1024;
86 static int accept_socket = -1;
88 #define TEST_CERT "server.pem"
89 #define TEST_CERT2 "server2.pem"
91 static int s_nbio = 0;
92 static int s_nbio_test = 0;
93 static int s_crlf = 0;
94 static SSL_CTX *ctx = NULL;
95 static SSL_CTX *ctx2 = NULL;
98 static BIO *bio_s_out = NULL;
99 static BIO *bio_s_msg = NULL;
100 static int s_debug = 0;
101 static int s_tlsextdebug = 0;
102 static int s_msg = 0;
103 static int s_quiet = 0;
104 static int s_ign_eof = 0;
105 static int s_brief = 0;
107 static char *keymatexportlabel = NULL;
108 static int keymatexportlen = 20;
110 static int async = 0;
112 static int use_sendfile = 0;
114 static const char *session_id_prefix = NULL;
116 #ifndef OPENSSL_NO_DTLS
117 static int enable_timeouts = 0;
118 static long socket_mtu;
122 * We define this but make it always be 0 in no-dtls builds to simplify the
125 static int dtlslisten = 0;
126 static int stateless = 0;
128 static int early_data = 0;
129 static SSL_SESSION *psksess = NULL;
131 static char *psk_identity = "Client_identity";
132 char *psk_key = NULL; /* by default PSK is not used */
134 static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
136 #ifndef OPENSSL_NO_PSK
137 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
139 unsigned int max_psk_len)
145 BIO_printf(bio_s_out, "psk_server_cb\n");
146 if (identity == NULL) {
147 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
151 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
152 (int)strlen(identity), identity);
154 /* here we could lookup the given identity e.g. from a database */
155 if (strcmp(identity, psk_identity) != 0) {
156 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
157 " (got '%s' expected '%s')\n", identity, psk_identity);
160 BIO_printf(bio_s_out, "PSK client identity found\n");
163 /* convert the PSK key to binary */
164 key = OPENSSL_hexstr2buf(psk_key, &key_len);
166 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
170 if (key_len > (int)max_psk_len) {
172 "psk buffer of callback is too small (%d) for key (%ld)\n",
173 max_psk_len, key_len);
178 memcpy(psk, key, key_len);
182 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
186 BIO_printf(bio_err, "Error in PSK server callback\n");
187 (void)BIO_flush(bio_err);
188 (void)BIO_flush(bio_s_out);
193 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
194 size_t identity_len, SSL_SESSION **sess)
196 SSL_SESSION *tmpsess = NULL;
199 const SSL_CIPHER *cipher = NULL;
201 if (strlen(psk_identity) != identity_len
202 || memcmp(psk_identity, identity, identity_len) != 0) {
207 if (psksess != NULL) {
208 SSL_SESSION_up_ref(psksess);
213 key = OPENSSL_hexstr2buf(psk_key, &key_len);
215 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
220 /* We default to SHA256 */
221 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
222 if (cipher == NULL) {
223 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
228 tmpsess = SSL_SESSION_new();
230 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
231 || !SSL_SESSION_set_cipher(tmpsess, cipher)
232 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
242 #ifndef OPENSSL_NO_SRP
243 /* This is a context that we pass to callbacks */
244 typedef struct srpsrvparm_st {
249 static srpsrvparm srp_callback_parm;
252 * This callback pretends to require some asynchronous logic in order to
253 * obtain a verifier. When the callback is called for a new connection we
254 * return with a negative value. This will provoke the accept etc to return
255 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
256 * (which would normally occur after a worker has finished) and we set the
259 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
261 srpsrvparm *p = (srpsrvparm *) arg;
262 int ret = SSL3_AL_FATAL;
264 if (p->login == NULL && p->user == NULL) {
265 p->login = SSL_get_srp_username(s);
266 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
270 if (p->user == NULL) {
271 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
275 if (SSL_set_srp_server_param
276 (s, p->user->N, p->user->g, p->user->s, p->user->v,
277 p->user->info) < 0) {
278 *ad = SSL_AD_INTERNAL_ERROR;
282 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
283 p->login, p->user->info);
284 ret = SSL_ERROR_NONE;
287 SRP_user_pwd_free(p->user);
295 static int local_argc = 0;
296 static char **local_argv;
298 #ifdef CHARSET_EBCDIC
299 static int ebcdic_new(BIO *bi);
300 static int ebcdic_free(BIO *a);
301 static int ebcdic_read(BIO *b, char *out, int outl);
302 static int ebcdic_write(BIO *b, const char *in, int inl);
303 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
304 static int ebcdic_gets(BIO *bp, char *buf, int size);
305 static int ebcdic_puts(BIO *bp, const char *str);
307 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
308 static BIO_METHOD *methods_ebcdic = NULL;
310 /* This struct is "unwarranted chumminess with the compiler." */
316 static const BIO_METHOD *BIO_f_ebcdic_filter()
318 if (methods_ebcdic == NULL) {
319 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
320 "EBCDIC/ASCII filter");
321 if (methods_ebcdic == NULL
322 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
323 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
324 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
325 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
326 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
327 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
328 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
331 return methods_ebcdic;
334 static int ebcdic_new(BIO *bi)
336 EBCDIC_OUTBUFF *wbuf;
338 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
339 wbuf->alloced = 1024;
340 wbuf->buff[0] = '\0';
342 BIO_set_data(bi, wbuf);
347 static int ebcdic_free(BIO *a)
349 EBCDIC_OUTBUFF *wbuf;
353 wbuf = BIO_get_data(a);
355 BIO_set_data(a, NULL);
361 static int ebcdic_read(BIO *b, char *out, int outl)
364 BIO *next = BIO_next(b);
366 if (out == NULL || outl == 0)
371 ret = BIO_read(next, out, outl);
373 ascii2ebcdic(out, out, ret);
377 static int ebcdic_write(BIO *b, const char *in, int inl)
379 EBCDIC_OUTBUFF *wbuf;
380 BIO *next = BIO_next(b);
384 if ((in == NULL) || (inl <= 0))
389 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
391 if (inl > (num = wbuf->alloced)) {
392 num = num + num; /* double the size */
396 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
399 wbuf->buff[0] = '\0';
401 BIO_set_data(b, wbuf);
404 ebcdic2ascii(wbuf->buff, in, inl);
406 ret = BIO_write(next, wbuf->buff, inl);
411 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
414 BIO *next = BIO_next(b);
423 ret = BIO_ctrl(next, cmd, num, ptr);
429 static int ebcdic_gets(BIO *bp, char *buf, int size)
432 BIO *next = BIO_next(bp);
436 /* return(BIO_gets(bp->next_bio,buf,size));*/
437 for (i = 0; i < size - 1; ++i) {
438 ret = ebcdic_read(bp, &buf[i], 1);
441 else if (buf[i] == '\n') {
448 return (ret < 0 && i == 0) ? ret : i;
451 static int ebcdic_puts(BIO *bp, const char *str)
453 if (BIO_next(bp) == NULL)
455 return ebcdic_write(bp, str, strlen(str));
459 /* This is a context that we pass to callbacks */
460 typedef struct tlsextctx_st {
466 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
468 tlsextctx *p = (tlsextctx *) arg;
469 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
471 if (servername != NULL && p->biodebug != NULL) {
472 const char *cp = servername;
475 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
476 while ((uc = *cp++) != 0)
477 BIO_printf(p->biodebug,
478 (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
479 BIO_printf(p->biodebug, "\"\n");
482 if (p->servername == NULL)
483 return SSL_TLSEXT_ERR_NOACK;
485 if (servername != NULL) {
486 if (strcasecmp(servername, p->servername))
487 return p->extension_error;
489 BIO_printf(p->biodebug, "Switching server context.\n");
490 SSL_set_SSL_CTX(s, ctx2);
493 return SSL_TLSEXT_ERR_OK;
496 /* Structure passed to cert status callback */
497 typedef struct tlsextstatusctx_st {
499 /* File to load OCSP Response from (or NULL if no file) */
501 /* Default responder to use */
502 char *host, *path, *port;
507 static tlsextstatusctx tlscstatp = { -1 };
509 #ifndef OPENSSL_NO_OCSP
512 * Helper function to get an OCSP_RESPONSE from a responder. This is a
513 * simplified version. It examines certificates each time and makes one OCSP
514 * responder query for each request. A full version would store details such as
515 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
516 * them until they were considered "expired".
518 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
519 OCSP_RESPONSE **resp)
521 char *host = NULL, *port = NULL, *path = NULL;
523 STACK_OF(OPENSSL_STRING) *aia = NULL;
525 X509_STORE_CTX *inctx = NULL;
527 OCSP_REQUEST *req = NULL;
528 OCSP_CERTID *id = NULL;
529 STACK_OF(X509_EXTENSION) *exts;
530 int ret = SSL_TLSEXT_ERR_NOACK;
533 /* Build up OCSP query from server certificate */
534 x = SSL_get_certificate(s);
535 aia = X509_get1_ocsp(x);
537 if (!OSSL_HTTP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
538 &host, &port, &path, &use_ssl)) {
539 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
543 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
544 sk_OPENSSL_STRING_value(aia, 0));
546 if (srctx->host == NULL) {
548 "cert_status: no AIA and no default responder URL\n");
554 use_ssl = srctx->use_ssl;
557 inctx = X509_STORE_CTX_new();
560 if (!X509_STORE_CTX_init(inctx,
561 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
564 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
565 X509_get_issuer_name(x));
567 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
570 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
571 X509_OBJECT_free(obj);
574 req = OCSP_REQUEST_new();
577 if (!OCSP_request_add0_id(req, id))
580 /* Add any extensions to the request */
581 SSL_get_tlsext_status_exts(s, &exts);
582 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
583 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
584 if (!OCSP_REQUEST_add_ext(req, ext, -1))
587 *resp = process_responder(req, host, path, port, use_ssl, NULL,
590 BIO_puts(bio_err, "cert_status: error querying responder\n");
594 ret = SSL_TLSEXT_ERR_OK;
598 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
601 * If we parsed aia we need to free; otherwise they were copied and we
608 X509_email_free(aia);
610 OCSP_CERTID_free(id);
611 OCSP_REQUEST_free(req);
612 X509_STORE_CTX_free(inctx);
617 * Certificate Status callback. This is called when a client includes a
618 * certificate status request extension. The response is either obtained from a
619 * file, or from an OCSP responder.
621 static int cert_status_cb(SSL *s, void *arg)
623 tlsextstatusctx *srctx = arg;
624 OCSP_RESPONSE *resp = NULL;
625 unsigned char *rspder = NULL;
627 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
630 BIO_puts(bio_err, "cert_status: callback called\n");
632 if (srctx->respin != NULL) {
633 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
634 if (derbio == NULL) {
635 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
638 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
641 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
645 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
646 if (ret != SSL_TLSEXT_ERR_OK)
650 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
654 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
655 if (srctx->verbose) {
656 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
657 OCSP_RESPONSE_print(bio_err, resp, 2);
660 ret = SSL_TLSEXT_ERR_OK;
663 if (ret != SSL_TLSEXT_ERR_OK)
664 ERR_print_errors(bio_err);
666 OCSP_RESPONSE_free(resp);
672 #ifndef OPENSSL_NO_NEXTPROTONEG
673 /* This is the context that we pass to next_proto_cb */
674 typedef struct tlsextnextprotoctx_st {
677 } tlsextnextprotoctx;
679 static int next_proto_cb(SSL *s, const unsigned char **data,
680 unsigned int *len, void *arg)
682 tlsextnextprotoctx *next_proto = arg;
684 *data = next_proto->data;
685 *len = next_proto->len;
687 return SSL_TLSEXT_ERR_OK;
689 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
691 /* This the context that we pass to alpn_cb */
692 typedef struct tlsextalpnctx_st {
697 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
698 const unsigned char *in, unsigned int inlen, void *arg)
700 tlsextalpnctx *alpn_ctx = arg;
703 /* We can assume that |in| is syntactically valid. */
705 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
706 for (i = 0; i < inlen;) {
708 BIO_write(bio_s_out, ", ", 2);
709 BIO_write(bio_s_out, &in[i + 1], in[i]);
712 BIO_write(bio_s_out, "\n", 1);
715 if (SSL_select_next_proto
716 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
717 inlen) != OPENSSL_NPN_NEGOTIATED) {
718 return SSL_TLSEXT_ERR_ALERT_FATAL;
722 BIO_printf(bio_s_out, "ALPN protocols selected: ");
723 BIO_write(bio_s_out, *out, *outlen);
724 BIO_write(bio_s_out, "\n", 1);
727 return SSL_TLSEXT_ERR_OK;
730 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
732 /* disable resumption for sessions with forward secure ciphers */
733 return is_forward_secure;
736 typedef enum OPTION_choice {
737 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
738 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
739 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
740 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
741 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
742 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
743 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
744 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
745 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
747 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
748 OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
749 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
750 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
751 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
752 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
753 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
754 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
755 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
756 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
757 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
758 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
759 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
760 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_SENDFILE,
761 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
762 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
763 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
764 OPT_HTTP_SERVER_BINMODE,
772 const OPTIONS s_server_options[] = {
773 OPT_SECTION("General"),
774 {"help", OPT_HELP, '-', "Display this summary"},
775 {"ssl_config", OPT_SSL_CONFIG, 's',
776 "Configure SSL_CTX using the configuration 'val'"},
777 #ifndef OPENSSL_NO_SSL_TRACE
778 {"trace", OPT_TRACE, '-', "trace protocol messages"},
780 #ifndef OPENSSL_NO_ENGINE
781 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
784 OPT_SECTION("Network"),
785 {"port", OPT_PORT, 'p',
786 "TCP/IP port to listen on for connections (default is " PORT ")"},
787 {"accept", OPT_ACCEPT, 's',
788 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
790 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
791 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
793 {"4", OPT_4, '-', "Use IPv4 only"},
794 {"6", OPT_6, '-', "Use IPv6 only"},
796 OPT_SECTION("Identity"),
797 {"context", OPT_CONTEXT, 's', "Set session ID context"},
798 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
799 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
800 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
801 {"no-CAfile", OPT_NOCAFILE, '-',
802 "Do not load the default certificates file"},
803 {"no-CApath", OPT_NOCAPATH, '-',
804 "Do not load certificates from the default certificates directory"},
805 {"no-CAstore", OPT_NOCASTORE, '-',
806 "Do not load certificates from the default certificates store URI"},
807 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
808 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
809 {"Verify", OPT_UPPER_V_VERIFY, 'n',
810 "Turn on peer certificate verification, must have a cert"},
811 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
812 {"cert", OPT_CERT, '<', "Server certificate file to use; default is " TEST_CERT},
813 {"cert2", OPT_CERT2, '<',
814 "Certificate file to use for servername; default is" TEST_CERT2},
815 {"certform", OPT_CERTFORM, 'F',
816 "Server certificate file format (PEM or DER) PEM default"},
817 {"cert_chain", OPT_CERT_CHAIN, '<',
818 "Server certificate chain file in PEM format"},
819 {"build_chain", OPT_BUILD_CHAIN, '-', "Build server certificate chain"},
820 {"serverinfo", OPT_SERVERINFO, 's',
821 "PEM serverinfo file for certificate"},
822 {"key", OPT_KEY, 's',
823 "Private key file to use; default is -cert file or else" TEST_CERT},
824 {"key2", OPT_KEY2, '<',
825 "-Private Key file to use for servername if not in -cert2"},
826 {"keyform", OPT_KEYFORM, 'f',
827 "Key format (PEM, DER or ENGINE) PEM default"},
828 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
829 {"dcert", OPT_DCERT, '<',
830 "Second server certificate file to use (usually for DSA)"},
831 {"dcertform", OPT_DCERTFORM, 'F',
832 "Second server certificate file format (PEM or DER) PEM default"},
833 {"dcert_chain", OPT_DCERT_CHAIN, '<',
834 "second server certificate chain file in PEM format"},
835 {"dkey", OPT_DKEY, '<',
836 "Second private key file to use (usually for DSA)"},
837 {"dkeyform", OPT_DKEYFORM, 'F',
838 "Second key file format (PEM, DER or ENGINE) PEM default"},
839 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
840 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
841 {"servername", OPT_SERVERNAME, 's',
842 "Servername for HostName TLS extension"},
843 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
844 "mismatch send fatal alert (default warning alert)"},
846 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
847 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
849 {"quiet", OPT_QUIET, '-', "No server output"},
850 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
851 "Disable caching and tickets if ephemeral (EC)DH is used"},
852 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
853 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
854 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
855 "Hex dump of all TLS extensions received"},
856 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
857 {"id_prefix", OPT_ID_PREFIX, 's',
858 "Generate SSL/TLS session IDs prefixed by arg"},
859 {"keymatexport", OPT_KEYMATEXPORT, 's',
860 "Export keying material using label"},
861 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
862 "Export len bytes of keying material (default 20)"},
863 {"CRL", OPT_CRL, '<', "CRL file to use"},
864 {"CRLform", OPT_CRLFORM, 'F', "CRL file format (PEM or DER); default PEM"},
865 {"crl_download", OPT_CRL_DOWNLOAD, '-',
866 "Download CRLs from distribution points in certificate CDP entries"},
867 {"chainCAfile", OPT_CHAINCAFILE, '<',
868 "CA file for certificate chain (PEM format)"},
869 {"chainCApath", OPT_CHAINCAPATH, '/',
870 "use dir as certificate store path to build CA certificate chain"},
871 {"chainCAstore", OPT_CHAINCASTORE, ':',
872 "use URI as certificate store to build CA certificate chain"},
873 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
874 "CA file for certificate verification (PEM format)"},
875 {"verifyCApath", OPT_VERIFYCAPATH, '/',
876 "use dir as certificate store path to verify CA certificate"},
877 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
878 "use URI as certificate store to verify CA certificate"},
879 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
880 {"ext_cache", OPT_EXT_CACHE, '-',
881 "Disable internal cache, setup and use external cache"},
882 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
883 "Close connection on verification error"},
884 {"verify_quiet", OPT_VERIFY_QUIET, '-',
885 "No verify output except verify errors"},
886 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
887 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
889 #ifndef OPENSSL_NO_OCSP
891 {"status", OPT_STATUS, '-', "Request certificate status from server"},
892 {"status_verbose", OPT_STATUS_VERBOSE, '-',
893 "Print more output in certificate status callback"},
894 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
895 "Status request responder timeout"},
896 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
897 {"status_file", OPT_STATUS_FILE, '<',
898 "File containing DER encoded OCSP Response"},
901 OPT_SECTION("Debug"),
902 {"security_debug", OPT_SECURITY_DEBUG, '-',
903 "Print output from SSL/TLS security framework"},
904 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
905 "Print more output from SSL/TLS security framework"},
906 {"brief", OPT_BRIEF, '-',
907 "Restrict output to brief summary of connection parameters"},
908 {"rev", OPT_REV, '-',
909 "act as a simple test server which just sends back with the received text reversed"},
910 {"debug", OPT_DEBUG, '-', "Print more output"},
911 {"msg", OPT_MSG, '-', "Show protocol messages"},
912 {"msgfile", OPT_MSGFILE, '>',
913 "File to send output of -msg or -trace, instead of stdout"},
914 {"state", OPT_STATE, '-', "Print the SSL states"},
915 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
916 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
917 "Maximum number of encrypt/decrypt pipelines to be used"},
918 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
919 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
921 OPT_SECTION("Network"),
922 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
923 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
924 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
925 {"read_buf", OPT_READ_BUF, 'p',
926 "Default read buffer size to be used for connections"},
927 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
928 "Size used to split data for encrypt pipelines"},
929 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
931 OPT_SECTION("Server identity"),
932 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
933 #ifndef OPENSSL_NO_PSK
934 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
936 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
937 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
938 #ifndef OPENSSL_NO_SRP
939 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
940 {"srpuserseed", OPT_SRPUSERSEED, 's',
941 "A seed string for a default user salt"},
944 OPT_SECTION("Protocol and version"),
945 {"max_early_data", OPT_MAX_EARLY, 'n',
946 "The maximum number of bytes of early data as advertised in tickets"},
947 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
948 "The maximum number of bytes of early data (hard limit)"},
949 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
950 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
951 "The number of TLSv1.3 session tickets that a server will automatically issue" },
952 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
953 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
954 {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
955 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
956 #ifndef OPENSSL_NO_SSL3
957 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
959 #ifndef OPENSSL_NO_TLS1
960 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
962 #ifndef OPENSSL_NO_TLS1_1
963 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
965 #ifndef OPENSSL_NO_TLS1_2
966 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
968 #ifndef OPENSSL_NO_TLS1_3
969 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
971 #ifndef OPENSSL_NO_DTLS
972 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
973 {"listen", OPT_LISTEN, '-',
974 "Listen for a DTLS ClientHello with a cookie and then connect"},
976 #ifndef OPENSSL_NO_DTLS1
977 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
979 #ifndef OPENSSL_NO_DTLS1_2
980 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
982 #ifndef OPENSSL_NO_SCTP
983 {"sctp", OPT_SCTP, '-', "Use SCTP"},
984 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
986 #ifndef OPENSSL_NO_SRTP
987 {"use_srtp", OPT_SRTP_PROFILES, 's',
988 "Offer SRTP key management with a colon-separated profile list"},
990 #ifndef OPENSSL_NO_DH
991 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
993 #ifndef OPENSSL_NO_NEXTPROTONEG
994 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
995 "Set the advertised protocols for the NPN extension (comma-separated list)"},
997 {"alpn", OPT_ALPN, 's',
998 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
999 #ifndef OPENSSL_NO_KTLS
1000 {"sendfile", OPT_SENDFILE, '-', "Use sendfile to response file with -WWW"},
1011 #define IS_PROT_FLAG(o) \
1012 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
1013 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
1015 int s_server_main(int argc, char *argv[])
1017 ENGINE *engine = NULL;
1018 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1019 SSL_CONF_CTX *cctx = NULL;
1020 const SSL_METHOD *meth = TLS_server_method();
1021 SSL_EXCERT *exc = NULL;
1022 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1023 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1024 STACK_OF(X509_CRL) *crls = NULL;
1025 X509 *s_cert = NULL, *s_dcert = NULL;
1026 X509_VERIFY_PARAM *vpm = NULL;
1027 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
1028 const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL;
1029 char *dpassarg = NULL, *dpass = NULL;
1030 char *passarg = NULL, *pass = NULL;
1031 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
1032 char *crl_file = NULL, *prog;
1034 int unlink_unix_path = 0;
1036 do_server_cb server_cb;
1037 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
1038 #ifndef OPENSSL_NO_DH
1039 char *dhfile = NULL;
1042 int nocert = 0, ret = 1;
1043 int noCApath = 0, noCAfile = 0, noCAstore = 0;
1044 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1045 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1046 int rev = 0, naccept = -1, sdebug = 0;
1047 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1048 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1050 char *port = OPENSSL_strdup(PORT);
1051 unsigned char *context = NULL;
1053 EVP_PKEY *s_key2 = NULL;
1054 X509 *s_cert2 = NULL;
1055 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1056 const char *ssl_config = NULL;
1057 int read_buf_len = 0;
1058 #ifndef OPENSSL_NO_NEXTPROTONEG
1059 const char *next_proto_neg_in = NULL;
1060 tlsextnextprotoctx next_proto = { NULL, 0 };
1062 const char *alpn_in = NULL;
1063 tlsextalpnctx alpn_ctx = { NULL, 0 };
1064 #ifndef OPENSSL_NO_PSK
1065 /* by default do not send a PSK identity hint */
1066 char *psk_identity_hint = NULL;
1069 #ifndef OPENSSL_NO_SRP
1070 char *srpuserseed = NULL;
1071 char *srp_verifier_file = NULL;
1073 #ifndef OPENSSL_NO_SRTP
1074 char *srtp_profiles = NULL;
1076 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1077 int s_server_verify = SSL_VERIFY_NONE;
1078 int s_server_session_id_context = 1; /* anything will do */
1079 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1080 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1081 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1082 #ifndef OPENSSL_NO_OCSP
1083 int s_tlsextstatus = 0;
1085 int no_resume_ephemeral = 0;
1086 unsigned int max_send_fragment = 0;
1087 unsigned int split_send_fragment = 0, max_pipelines = 0;
1088 const char *s_serverinfo_file = NULL;
1089 const char *keylog_file = NULL;
1090 int max_early_data = -1, recv_max_early_data = -1;
1091 char *psksessf = NULL;
1092 #ifndef OPENSSL_NO_SCTP
1093 int sctp_label_bug = 0;
1096 /* Init of few remaining global variables */
1101 s_nbio = s_nbio_test = 0;
1111 cctx = SSL_CONF_CTX_new();
1112 vpm = X509_VERIFY_PARAM_new();
1113 if (cctx == NULL || vpm == NULL)
1115 SSL_CONF_CTX_set_flags(cctx,
1116 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1118 prog = opt_init(argc, argv, s_server_options);
1119 while ((o = opt_next()) != OPT_EOF) {
1120 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1121 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1124 if (IS_NO_PROT_FLAG(o))
1126 if (prot_opt == 1 && no_prot_opt) {
1128 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1135 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1138 opt_help(s_server_options);
1144 if (socket_family == AF_UNIX) {
1145 OPENSSL_free(host); host = NULL;
1146 OPENSSL_free(port); port = NULL;
1149 socket_family = AF_INET;
1155 if (socket_family == AF_UNIX) {
1156 OPENSSL_free(host); host = NULL;
1157 OPENSSL_free(port); port = NULL;
1160 socket_family = AF_INET6;
1163 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1169 if (socket_family == AF_UNIX) {
1170 socket_family = AF_UNSPEC;
1173 OPENSSL_free(port); port = NULL;
1174 OPENSSL_free(host); host = NULL;
1175 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1177 "%s: -port argument malformed or ambiguous\n",
1184 if (socket_family == AF_UNIX) {
1185 socket_family = AF_UNSPEC;
1188 OPENSSL_free(port); port = NULL;
1189 OPENSSL_free(host); host = NULL;
1190 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1192 "%s: -accept argument malformed or ambiguous\n",
1199 socket_family = AF_UNIX;
1200 OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
1201 OPENSSL_free(port); port = NULL;
1204 unlink_unix_path = 1;
1208 naccept = atol(opt_arg());
1211 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1212 verify_args.depth = atoi(opt_arg());
1214 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1216 case OPT_UPPER_V_VERIFY:
1218 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1219 SSL_VERIFY_CLIENT_ONCE;
1220 verify_args.depth = atoi(opt_arg());
1223 "verify depth is %d, must return a certificate\n",
1227 context = (unsigned char *)opt_arg();
1230 s_cert_file = opt_arg();
1233 if (!set_nameopt(opt_arg()))
1237 crl_file = opt_arg();
1239 case OPT_CRL_DOWNLOAD:
1242 case OPT_SERVERINFO:
1243 s_serverinfo_file = opt_arg();
1246 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1250 s_key_file = opt_arg();
1253 if (!opt_format(opt_arg(), OPT_FMT_PDE, &s_key_format))
1257 passarg = opt_arg();
1259 case OPT_CERT_CHAIN:
1260 s_chain_file = opt_arg();
1263 #ifndef OPENSSL_NO_DH
1268 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1272 s_dcert_file = opt_arg();
1275 if (!opt_format(opt_arg(), OPT_FMT_PDE, &s_dkey_format))
1279 dpassarg = opt_arg();
1282 s_dkey_file = opt_arg();
1284 case OPT_DCERT_CHAIN:
1285 s_dchain_file = opt_arg();
1296 case OPT_CHAINCAPATH:
1297 chCApath = opt_arg();
1299 case OPT_VERIFYCAPATH:
1300 vfyCApath = opt_arg();
1303 CAstore = opt_arg();
1308 case OPT_CHAINCASTORE:
1309 chCAstore = opt_arg();
1311 case OPT_VERIFYCASTORE:
1312 vfyCAstore = opt_arg();
1321 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1325 case OPT_S_NUM_TICKETS:
1326 case OPT_ANTI_REPLAY:
1327 case OPT_NO_ANTI_REPLAY:
1328 if (ssl_args == NULL)
1329 ssl_args = sk_OPENSSL_STRING_new_null();
1330 if (ssl_args == NULL
1331 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1332 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1333 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1338 if (!opt_verify(o, vpm))
1343 if (!args_excert(o, &exc))
1346 case OPT_VERIFY_RET_ERROR:
1347 verify_args.return_error = 1;
1349 case OPT_VERIFY_QUIET:
1350 verify_args.quiet = 1;
1352 case OPT_BUILD_CHAIN:
1361 case OPT_CHAINCAFILE:
1362 chCAfile = opt_arg();
1364 case OPT_VERIFYCAFILE:
1365 vfyCAfile = opt_arg();
1371 s_nbio = s_nbio_test = 1;
1376 case OPT_NO_IGN_EOF:
1382 case OPT_TLSEXTDEBUG:
1386 #ifndef OPENSSL_NO_OCSP
1390 case OPT_STATUS_VERBOSE:
1391 #ifndef OPENSSL_NO_OCSP
1392 s_tlsextstatus = tlscstatp.verbose = 1;
1395 case OPT_STATUS_TIMEOUT:
1396 #ifndef OPENSSL_NO_OCSP
1398 tlscstatp.timeout = atoi(opt_arg());
1401 case OPT_STATUS_URL:
1402 #ifndef OPENSSL_NO_OCSP
1404 if (!OSSL_HTTP_parse_url(opt_arg(),
1405 &tlscstatp.host, &tlscstatp.port,
1406 &tlscstatp.path, &tlscstatp.use_ssl)) {
1407 BIO_printf(bio_err, "Error parsing URL\n");
1412 case OPT_STATUS_FILE:
1413 #ifndef OPENSSL_NO_OCSP
1415 tlscstatp.respin = opt_arg();
1422 bio_s_msg = BIO_new_file(opt_arg(), "w");
1425 #ifndef OPENSSL_NO_SSL_TRACE
1429 case OPT_SECURITY_DEBUG:
1432 case OPT_SECURITY_DEBUG_VERBOSE:
1445 s_quiet = s_brief = verify_args.quiet = 1;
1448 #ifndef OPENSSL_NO_DH
1452 case OPT_NO_RESUME_EPHEMERAL:
1453 no_resume_ephemeral = 1;
1455 case OPT_PSK_IDENTITY:
1456 psk_identity = opt_arg();
1459 #ifndef OPENSSL_NO_PSK
1460 psk_identity_hint = opt_arg();
1464 for (p = psk_key = opt_arg(); *p; p++) {
1465 if (isxdigit(_UC(*p)))
1467 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1472 psksessf = opt_arg();
1475 #ifndef OPENSSL_NO_SRP
1476 srp_verifier_file = opt_arg();
1477 if (min_version < TLS1_VERSION)
1478 min_version = TLS1_VERSION;
1481 case OPT_SRPUSERSEED:
1482 #ifndef OPENSSL_NO_SRP
1483 srpuserseed = opt_arg();
1484 if (min_version < TLS1_VERSION)
1485 min_version = TLS1_VERSION;
1500 case OPT_SSL_CONFIG:
1501 ssl_config = opt_arg();
1504 min_version = SSL3_VERSION;
1505 max_version = SSL3_VERSION;
1508 min_version = TLS1_3_VERSION;
1509 max_version = TLS1_3_VERSION;
1512 min_version = TLS1_2_VERSION;
1513 max_version = TLS1_2_VERSION;
1516 min_version = TLS1_1_VERSION;
1517 max_version = TLS1_1_VERSION;
1520 min_version = TLS1_VERSION;
1521 max_version = TLS1_VERSION;
1524 #ifndef OPENSSL_NO_DTLS
1525 meth = DTLS_server_method();
1526 socket_type = SOCK_DGRAM;
1530 #ifndef OPENSSL_NO_DTLS
1531 meth = DTLS_server_method();
1532 min_version = DTLS1_VERSION;
1533 max_version = DTLS1_VERSION;
1534 socket_type = SOCK_DGRAM;
1538 #ifndef OPENSSL_NO_DTLS
1539 meth = DTLS_server_method();
1540 min_version = DTLS1_2_VERSION;
1541 max_version = DTLS1_2_VERSION;
1542 socket_type = SOCK_DGRAM;
1546 #ifndef OPENSSL_NO_SCTP
1547 protocol = IPPROTO_SCTP;
1550 case OPT_SCTP_LABEL_BUG:
1551 #ifndef OPENSSL_NO_SCTP
1556 #ifndef OPENSSL_NO_DTLS
1557 enable_timeouts = 1;
1561 #ifndef OPENSSL_NO_DTLS
1562 socket_mtu = atol(opt_arg());
1566 #ifndef OPENSSL_NO_DTLS
1574 session_id_prefix = opt_arg();
1577 engine = setup_engine(opt_arg(), 1);
1583 case OPT_PROV_CASES:
1584 if (!opt_provider(o))
1587 case OPT_SERVERNAME:
1588 tlsextcbp.servername = opt_arg();
1590 case OPT_SERVERNAME_FATAL:
1591 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1594 s_cert_file2 = opt_arg();
1597 s_key_file2 = opt_arg();
1599 case OPT_NEXTPROTONEG:
1600 # ifndef OPENSSL_NO_NEXTPROTONEG
1601 next_proto_neg_in = opt_arg();
1605 alpn_in = opt_arg();
1607 case OPT_SRTP_PROFILES:
1608 #ifndef OPENSSL_NO_SRTP
1609 srtp_profiles = opt_arg();
1612 case OPT_KEYMATEXPORT:
1613 keymatexportlabel = opt_arg();
1615 case OPT_KEYMATEXPORTLEN:
1616 keymatexportlen = atoi(opt_arg());
1621 case OPT_MAX_SEND_FRAG:
1622 max_send_fragment = atoi(opt_arg());
1624 case OPT_SPLIT_SEND_FRAG:
1625 split_send_fragment = atoi(opt_arg());
1627 case OPT_MAX_PIPELINES:
1628 max_pipelines = atoi(opt_arg());
1631 read_buf_len = atoi(opt_arg());
1633 case OPT_KEYLOG_FILE:
1634 keylog_file = opt_arg();
1637 max_early_data = atoi(opt_arg());
1638 if (max_early_data < 0) {
1639 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1643 case OPT_RECV_MAX_EARLY:
1644 recv_max_early_data = atoi(opt_arg());
1645 if (recv_max_early_data < 0) {
1646 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1650 case OPT_EARLY_DATA:
1652 if (max_early_data == -1)
1653 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1655 case OPT_HTTP_SERVER_BINMODE:
1656 http_server_binmode = 1;
1659 #ifndef OPENSSL_NO_KTLS
1665 argc = opt_num_rest();
1668 #ifndef OPENSSL_NO_NEXTPROTONEG
1669 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1670 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1674 #ifndef OPENSSL_NO_DTLS
1675 if (www && socket_type == SOCK_DGRAM) {
1676 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1680 if (dtlslisten && socket_type != SOCK_DGRAM) {
1681 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1686 if (stateless && socket_type != SOCK_STREAM) {
1687 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1692 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1694 "Can't use unix sockets and datagrams together\n");
1698 if (early_data && (www > 0 || rev)) {
1700 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1704 #ifndef OPENSSL_NO_SCTP
1705 if (protocol == IPPROTO_SCTP) {
1706 if (socket_type != SOCK_DGRAM) {
1707 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1710 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1711 socket_type = SOCK_STREAM;
1715 #ifndef OPENSSL_NO_KTLS
1716 if (use_sendfile && www <= 1) {
1717 BIO_printf(bio_err, "Can't use -sendfile without -WWW or -HTTP\n");
1722 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1723 BIO_printf(bio_err, "Error getting password\n");
1727 if (s_key_file == NULL)
1728 s_key_file = s_cert_file;
1730 if (s_key_file2 == NULL)
1731 s_key_file2 = s_cert_file2;
1733 if (!load_excert(&exc))
1737 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1738 "server certificate private key file");
1742 s_cert = load_cert(s_cert_file, s_cert_format,
1743 "server certificate file");
1747 if (s_chain_file != NULL) {
1748 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1749 "server certificate chain"))
1753 if (tlsextcbp.servername != NULL) {
1754 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1755 "second server certificate private key file");
1759 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1760 "second server certificate file");
1762 if (s_cert2 == NULL)
1766 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1767 if (next_proto_neg_in) {
1768 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1769 if (next_proto.data == NULL)
1773 alpn_ctx.data = NULL;
1775 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1776 if (alpn_ctx.data == NULL)
1780 if (crl_file != NULL) {
1782 crl = load_crl(crl_file, crl_format, "CRL");
1785 crls = sk_X509_CRL_new_null();
1786 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1787 BIO_puts(bio_err, "Error adding CRL\n");
1788 ERR_print_errors(bio_err);
1794 if (s_dcert_file != NULL) {
1796 if (s_dkey_file == NULL)
1797 s_dkey_file = s_dcert_file;
1799 s_dkey = load_key(s_dkey_file, s_dkey_format,
1800 0, dpass, engine, "second certificate private key file");
1804 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1805 "second server certificate file");
1807 if (s_dcert == NULL) {
1808 ERR_print_errors(bio_err);
1811 if (s_dchain_file != NULL) {
1812 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1813 "second server certificate chain"))
1819 if (bio_s_out == NULL) {
1820 if (s_quiet && !s_debug) {
1821 bio_s_out = BIO_new(BIO_s_null());
1822 if (s_msg && bio_s_msg == NULL)
1823 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1825 if (bio_s_out == NULL)
1826 bio_s_out = dup_bio_out(FORMAT_TEXT);
1829 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1835 s_dcert_file = NULL;
1837 s_cert_file2 = NULL;
1841 ctx = SSL_CTX_new(meth);
1843 ERR_print_errors(bio_err);
1847 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1850 ssl_ctx_security_debug(ctx, sdebug);
1852 if (!config_ctx(cctx, ssl_args, ctx))
1856 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1857 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1859 ERR_print_errors(bio_err);
1864 #ifndef OPENSSL_NO_SCTP
1865 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1866 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1869 if (min_version != 0
1870 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1872 if (max_version != 0
1873 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1876 if (session_id_prefix) {
1877 if (strlen(session_id_prefix) >= 32)
1879 "warning: id_prefix is too long, only one new session will be possible\n");
1880 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1881 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1882 ERR_print_errors(bio_err);
1885 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1887 SSL_CTX_set_quiet_shutdown(ctx, 1);
1889 ssl_ctx_set_excert(ctx, exc);
1892 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1894 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1896 init_session_cache_ctx(ctx);
1898 SSL_CTX_sess_set_cache_size(ctx, 128);
1901 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1904 if (max_send_fragment > 0
1905 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1906 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1907 prog, max_send_fragment);
1911 if (split_send_fragment > 0
1912 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1913 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1914 prog, split_send_fragment);
1917 if (max_pipelines > 0
1918 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1919 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1920 prog, max_pipelines);
1924 if (read_buf_len > 0) {
1925 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1927 #ifndef OPENSSL_NO_SRTP
1928 if (srtp_profiles != NULL) {
1929 /* Returns 0 on success! */
1930 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1931 BIO_printf(bio_err, "Error setting SRTP profile\n");
1932 ERR_print_errors(bio_err);
1938 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1939 CAstore, noCAstore)) {
1940 ERR_print_errors(bio_err);
1943 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1944 BIO_printf(bio_err, "Error setting verify params\n");
1945 ERR_print_errors(bio_err);
1949 ssl_ctx_add_crls(ctx, crls, 0);
1951 if (!ssl_load_stores(ctx,
1952 vfyCApath, vfyCAfile, vfyCAstore,
1953 chCApath, chCAfile, chCAstore,
1954 crls, crl_download)) {
1955 BIO_printf(bio_err, "Error loading store locations\n");
1956 ERR_print_errors(bio_err);
1961 ctx2 = SSL_CTX_new(meth);
1963 ERR_print_errors(bio_err);
1969 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1972 ssl_ctx_security_debug(ctx2, sdebug);
1974 if (session_id_prefix) {
1975 if (strlen(session_id_prefix) >= 32)
1977 "warning: id_prefix is too long, only one new session will be possible\n");
1978 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1979 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1980 ERR_print_errors(bio_err);
1983 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1985 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1987 ssl_ctx_set_excert(ctx2, exc);
1990 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1993 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1995 init_session_cache_ctx(ctx2);
1997 SSL_CTX_sess_set_cache_size(ctx2, 128);
2000 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
2002 if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath,
2003 noCApath, CAstore, noCAstore)) {
2004 ERR_print_errors(bio_err);
2007 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
2008 BIO_printf(bio_err, "Error setting verify params\n");
2009 ERR_print_errors(bio_err);
2013 ssl_ctx_add_crls(ctx2, crls, 0);
2014 if (!config_ctx(cctx, ssl_args, ctx2))
2017 #ifndef OPENSSL_NO_NEXTPROTONEG
2018 if (next_proto.data)
2019 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
2023 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
2025 #ifndef OPENSSL_NO_DH
2030 dh = load_dh_param(dhfile);
2031 else if (s_cert_file != NULL)
2032 dh = load_dh_param(s_cert_file);
2035 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2037 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
2039 (void)BIO_flush(bio_s_out);
2042 SSL_CTX_set_dh_auto(ctx, 1);
2043 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
2044 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2045 ERR_print_errors(bio_err);
2052 DH *dh2 = load_dh_param(s_cert_file2);
2054 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2055 (void)BIO_flush(bio_s_out);
2062 SSL_CTX_set_dh_auto(ctx2, 1);
2063 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
2064 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2065 ERR_print_errors(bio_err);
2074 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2077 if (s_serverinfo_file != NULL
2078 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2079 ERR_print_errors(bio_err);
2084 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
2087 if (s_dcert != NULL) {
2088 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2092 if (no_resume_ephemeral) {
2093 SSL_CTX_set_not_resumable_session_callback(ctx,
2094 not_resumable_sess_cb);
2097 SSL_CTX_set_not_resumable_session_callback(ctx2,
2098 not_resumable_sess_cb);
2100 #ifndef OPENSSL_NO_PSK
2101 if (psk_key != NULL) {
2103 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2104 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2107 if (psk_identity_hint != NULL) {
2108 if (min_version == TLS1_3_VERSION) {
2109 BIO_printf(bio_s_out, "PSK warning: there is NO identity hint in TLSv1.3\n");
2111 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2112 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2113 ERR_print_errors(bio_err);
2119 if (psksessf != NULL) {
2120 BIO *stmp = BIO_new_file(psksessf, "r");
2123 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2124 ERR_print_errors(bio_err);
2127 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2129 if (psksess == NULL) {
2130 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2131 ERR_print_errors(bio_err);
2137 if (psk_key != NULL || psksess != NULL)
2138 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2140 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2141 if (!SSL_CTX_set_session_id_context(ctx,
2142 (void *)&s_server_session_id_context,
2143 sizeof(s_server_session_id_context))) {
2144 BIO_printf(bio_err, "error setting session id context\n");
2145 ERR_print_errors(bio_err);
2149 /* Set DTLS cookie generation and verification callbacks */
2150 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2151 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2153 /* Set TLS1.3 cookie generation and verification callbacks */
2154 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2155 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2158 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2159 if (!SSL_CTX_set_session_id_context(ctx2,
2160 (void *)&s_server_session_id_context,
2161 sizeof(s_server_session_id_context))) {
2162 BIO_printf(bio_err, "error setting session id context\n");
2163 ERR_print_errors(bio_err);
2166 tlsextcbp.biodebug = bio_s_out;
2167 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2168 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2169 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2170 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2173 #ifndef OPENSSL_NO_SRP
2174 if (srp_verifier_file != NULL) {
2175 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2176 srp_callback_parm.user = NULL;
2177 srp_callback_parm.login = NULL;
2179 SRP_VBASE_init(srp_callback_parm.vb,
2180 srp_verifier_file)) != SRP_NO_ERROR) {
2182 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2183 srp_verifier_file, ret);
2186 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2187 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2188 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2191 if (CAfile != NULL) {
2192 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2195 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2197 #ifndef OPENSSL_NO_OCSP
2198 if (s_tlsextstatus) {
2199 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2200 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2202 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2203 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2207 if (set_keylog_file(ctx, keylog_file))
2210 if (max_early_data >= 0)
2211 SSL_CTX_set_max_early_data(ctx, max_early_data);
2212 if (recv_max_early_data >= 0)
2213 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2216 server_cb = rev_body;
2218 server_cb = www_body;
2220 server_cb = sv_body;
2222 if (socket_family == AF_UNIX
2223 && unlink_unix_path)
2226 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2227 server_cb, context, naccept, bio_s_out);
2228 print_stats(bio_s_out, ctx);
2232 SSL_SESSION_free(psksess);
2233 set_keylog_file(NULL, NULL);
2235 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2237 EVP_PKEY_free(s_key);
2238 EVP_PKEY_free(s_dkey);
2239 sk_X509_pop_free(s_chain, X509_free);
2240 sk_X509_pop_free(s_dchain, X509_free);
2242 OPENSSL_free(dpass);
2245 X509_VERIFY_PARAM_free(vpm);
2247 OPENSSL_free(tlscstatp.host);
2248 OPENSSL_free(tlscstatp.port);
2249 OPENSSL_free(tlscstatp.path);
2252 EVP_PKEY_free(s_key2);
2253 #ifndef OPENSSL_NO_NEXTPROTONEG
2254 OPENSSL_free(next_proto.data);
2256 OPENSSL_free(alpn_ctx.data);
2257 ssl_excert_free(exc);
2258 sk_OPENSSL_STRING_free(ssl_args);
2259 SSL_CONF_CTX_free(cctx);
2260 release_engine(engine);
2261 BIO_free(bio_s_out);
2263 BIO_free(bio_s_msg);
2265 #ifdef CHARSET_EBCDIC
2266 BIO_meth_free(methods_ebcdic);
2271 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2273 BIO_printf(bio, "%4ld items in the session cache\n",
2274 SSL_CTX_sess_number(ssl_ctx));
2275 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2276 SSL_CTX_sess_connect(ssl_ctx));
2277 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2278 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2279 BIO_printf(bio, "%4ld client connects that finished\n",
2280 SSL_CTX_sess_connect_good(ssl_ctx));
2281 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2282 SSL_CTX_sess_accept(ssl_ctx));
2283 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2284 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2285 BIO_printf(bio, "%4ld server accepts that finished\n",
2286 SSL_CTX_sess_accept_good(ssl_ctx));
2287 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2288 BIO_printf(bio, "%4ld session cache misses\n",
2289 SSL_CTX_sess_misses(ssl_ctx));
2290 BIO_printf(bio, "%4ld session cache timeouts\n",
2291 SSL_CTX_sess_timeouts(ssl_ctx));
2292 BIO_printf(bio, "%4ld callback cache hits\n",
2293 SSL_CTX_sess_cb_hits(ssl_ctx));
2294 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2295 SSL_CTX_sess_cache_full(ssl_ctx),
2296 SSL_CTX_sess_get_cache_size(ssl_ctx));
2299 static int sv_body(int s, int stype, int prot, unsigned char *context)
2308 struct timeval timeout;
2309 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2310 struct timeval *timeoutp;
2312 #ifndef OPENSSL_NO_DTLS
2313 # ifndef OPENSSL_NO_SCTP
2314 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2316 int isdtls = (stype == SOCK_DGRAM);
2320 buf = app_malloc(bufsize, "server buffer");
2322 if (!BIO_socket_nbio(s, 1))
2323 ERR_print_errors(bio_err);
2325 BIO_printf(bio_err, "Turned on non blocking io\n");
2334 if (s_tlsextdebug) {
2335 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2336 SSL_set_tlsext_debug_arg(con, bio_s_out);
2340 && !SSL_set_session_id_context(con, context,
2341 strlen((char *)context))) {
2342 BIO_printf(bio_err, "Error setting session id context\n");
2347 if (!SSL_clear(con)) {
2348 BIO_printf(bio_err, "Error clearing SSL connection\n");
2352 #ifndef OPENSSL_NO_DTLS
2354 # ifndef OPENSSL_NO_SCTP
2355 if (prot == IPPROTO_SCTP)
2356 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2359 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2361 if (enable_timeouts) {
2363 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2364 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2367 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2368 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2372 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2373 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2374 DTLS_get_link_min_mtu(con));
2379 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2380 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2381 BIO_printf(bio_err, "Failed to set MTU\n");
2387 /* want to do MTU discovery */
2388 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2390 # ifndef OPENSSL_NO_SCTP
2391 if (prot != IPPROTO_SCTP)
2393 /* Turn on cookie exchange. Not necessary for SCTP */
2394 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2397 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2400 BIO_printf(bio_err, "Unable to create BIO\n");
2401 ERR_print_errors(bio_err);
2408 test = BIO_new(BIO_f_nbio_test());
2409 sbio = BIO_push(test, sbio);
2412 SSL_set_bio(con, sbio, sbio);
2413 SSL_set_accept_state(con);
2414 /* SSL_set_fd(con,s); */
2417 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2418 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2421 #ifndef OPENSSL_NO_SSL_TRACE
2423 SSL_set_msg_callback(con, SSL_trace);
2426 SSL_set_msg_callback(con, msg_cb);
2427 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2430 if (s_tlsextdebug) {
2431 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2432 SSL_set_tlsext_debug_arg(con, bio_s_out);
2436 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2439 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2441 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2442 if (edret != SSL_READ_EARLY_DATA_ERROR)
2445 switch (SSL_get_error(con, 0)) {
2446 case SSL_ERROR_WANT_WRITE:
2447 case SSL_ERROR_WANT_ASYNC:
2448 case SSL_ERROR_WANT_READ:
2449 /* Just keep trying - busy waiting */
2452 BIO_printf(bio_err, "Error reading early data\n");
2453 ERR_print_errors(bio_err);
2457 if (readbytes > 0) {
2459 BIO_printf(bio_s_out, "Early data received:\n");
2462 raw_write_stdout(buf, (unsigned int)readbytes);
2463 (void)BIO_flush(bio_s_out);
2467 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2468 BIO_printf(bio_s_out, "No early data received\n");
2470 BIO_printf(bio_s_out, "Early data was rejected\n");
2472 BIO_printf(bio_s_out, "\nEnd of early data\n");
2474 if (SSL_is_init_finished(con))
2475 print_connection_info(con);
2478 if (fileno_stdin() > s)
2479 width = fileno_stdin() + 1;
2483 int read_from_terminal;
2484 int read_from_sslcon;
2486 read_from_terminal = 0;
2487 read_from_sslcon = SSL_has_pending(con)
2488 || (async && SSL_waiting_for_async(con));
2490 if (!read_from_sslcon) {
2492 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2493 openssl_fdset(fileno_stdin(), &readfds);
2495 openssl_fdset(s, &readfds);
2497 * Note: under VMS with SOCKETSHR the second parameter is
2498 * currently of type (int *) whereas under other systems it is
2499 * (void *) if you don't have a cast it will choke the compiler:
2500 * if you do have a cast then you can either go for (int *) or
2503 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2505 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2506 * only on sockets. As a workaround we timeout the select every
2507 * second and check for any keypress. In a proper Windows
2508 * application we wouldn't do this because it is inefficient.
2511 timeout.tv_usec = 0;
2512 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2513 if (has_stdin_waiting())
2514 read_from_terminal = 1;
2515 if ((i < 0) || (!i && !read_from_terminal))
2518 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2519 timeoutp = &timeout;
2523 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2525 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2526 BIO_printf(bio_err, "TIMEOUT occurred\n");
2530 if (FD_ISSET(fileno_stdin(), &readfds))
2531 read_from_terminal = 1;
2533 if (FD_ISSET(s, &readfds))
2534 read_from_sslcon = 1;
2536 if (read_from_terminal) {
2540 i = raw_read_stdin(buf, bufsize / 2);
2542 /* both loops are skipped when i <= 0 */
2543 for (j = 0; j < i; j++)
2546 for (j = i - 1; j >= 0; j--) {
2547 buf[j + lf_num] = buf[j];
2548 if (buf[j] == '\n') {
2551 buf[j + lf_num] = '\r';
2554 assert(lf_num == 0);
2556 i = raw_read_stdin(buf, bufsize);
2559 if (!s_quiet && !s_brief) {
2560 if ((i <= 0) || (buf[0] == 'Q')) {
2561 BIO_printf(bio_s_out, "DONE\n");
2562 (void)BIO_flush(bio_s_out);
2564 close_accept_socket();
2568 if ((i <= 0) || (buf[0] == 'q')) {
2569 BIO_printf(bio_s_out, "DONE\n");
2570 (void)BIO_flush(bio_s_out);
2571 if (SSL_version(con) != DTLS1_VERSION)
2574 * close_accept_socket(); ret= -11;
2578 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2579 SSL_renegotiate(con);
2580 i = SSL_do_handshake(con);
2581 printf("SSL_do_handshake -> %d\n", i);
2585 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2587 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2589 SSL_renegotiate(con);
2590 i = SSL_do_handshake(con);
2591 printf("SSL_do_handshake -> %d\n", i);
2595 if ((buf[0] == 'K' || buf[0] == 'k')
2596 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2597 SSL_key_update(con, buf[0] == 'K' ?
2598 SSL_KEY_UPDATE_REQUESTED
2599 : SSL_KEY_UPDATE_NOT_REQUESTED);
2600 i = SSL_do_handshake(con);
2601 printf("SSL_do_handshake -> %d\n", i);
2605 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2606 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2607 i = SSL_verify_client_post_handshake(con);
2609 printf("Failed to initiate request\n");
2610 ERR_print_errors(bio_err);
2612 i = SSL_do_handshake(con);
2613 printf("SSL_do_handshake -> %d\n", i);
2618 if (buf[0] == 'P') {
2619 static const char str[] = "Lets print some clear text\n";
2620 BIO_write(SSL_get_wbio(con), str, sizeof(str) -1);
2622 if (buf[0] == 'S') {
2623 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2626 #ifdef CHARSET_EBCDIC
2627 ebcdic2ascii(buf, buf, i);
2631 /* should do a select for the write */
2634 if (++count == 100) {
2636 SSL_renegotiate(con);
2639 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2640 #ifndef OPENSSL_NO_SRP
2641 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2642 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2643 SRP_user_pwd_free(srp_callback_parm.user);
2644 srp_callback_parm.user =
2645 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2646 srp_callback_parm.login);
2647 if (srp_callback_parm.user)
2648 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2649 srp_callback_parm.user->info);
2651 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2652 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2655 switch (SSL_get_error(con, k)) {
2656 case SSL_ERROR_NONE:
2658 case SSL_ERROR_WANT_ASYNC:
2659 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2660 (void)BIO_flush(bio_s_out);
2661 wait_for_async(con);
2663 case SSL_ERROR_WANT_WRITE:
2664 case SSL_ERROR_WANT_READ:
2665 case SSL_ERROR_WANT_X509_LOOKUP:
2666 BIO_printf(bio_s_out, "Write BLOCK\n");
2667 (void)BIO_flush(bio_s_out);
2669 case SSL_ERROR_WANT_ASYNC_JOB:
2671 * This shouldn't ever happen in s_server. Treat as an error
2673 case SSL_ERROR_SYSCALL:
2675 BIO_printf(bio_s_out, "ERROR\n");
2676 (void)BIO_flush(bio_s_out);
2677 ERR_print_errors(bio_err);
2681 case SSL_ERROR_ZERO_RETURN:
2682 BIO_printf(bio_s_out, "DONE\n");
2683 (void)BIO_flush(bio_s_out);
2695 if (read_from_sslcon) {
2697 * init_ssl_connection handles all async events itself so if we're
2698 * waiting for async then we shouldn't go back into
2699 * init_ssl_connection
2701 if ((!async || !SSL_waiting_for_async(con))
2702 && !SSL_is_init_finished(con)) {
2703 i = init_ssl_connection(con);
2708 } else if (i == 0) {
2714 i = SSL_read(con, (char *)buf, bufsize);
2715 #ifndef OPENSSL_NO_SRP
2716 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2717 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2718 SRP_user_pwd_free(srp_callback_parm.user);
2719 srp_callback_parm.user =
2720 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2721 srp_callback_parm.login);
2722 if (srp_callback_parm.user)
2723 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2724 srp_callback_parm.user->info);
2726 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2727 i = SSL_read(con, (char *)buf, bufsize);
2730 switch (SSL_get_error(con, i)) {
2731 case SSL_ERROR_NONE:
2732 #ifdef CHARSET_EBCDIC
2733 ascii2ebcdic(buf, buf, i);
2735 raw_write_stdout(buf, (unsigned int)i);
2736 (void)BIO_flush(bio_s_out);
2737 if (SSL_has_pending(con))
2740 case SSL_ERROR_WANT_ASYNC:
2741 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2742 (void)BIO_flush(bio_s_out);
2743 wait_for_async(con);
2745 case SSL_ERROR_WANT_WRITE:
2746 case SSL_ERROR_WANT_READ:
2747 BIO_printf(bio_s_out, "Read BLOCK\n");
2748 (void)BIO_flush(bio_s_out);
2750 case SSL_ERROR_WANT_ASYNC_JOB:
2752 * This shouldn't ever happen in s_server. Treat as an error
2754 case SSL_ERROR_SYSCALL:
2756 BIO_printf(bio_s_out, "ERROR\n");
2757 (void)BIO_flush(bio_s_out);
2758 ERR_print_errors(bio_err);
2761 case SSL_ERROR_ZERO_RETURN:
2762 BIO_printf(bio_s_out, "DONE\n");
2763 (void)BIO_flush(bio_s_out);
2772 BIO_printf(bio_s_out, "shutting down SSL\n");
2773 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2776 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2777 OPENSSL_clear_free(buf, bufsize);
2781 static void close_accept_socket(void)
2783 BIO_printf(bio_err, "shutdown accept socket\n");
2784 if (accept_socket >= 0) {
2785 BIO_closesocket(accept_socket);
2789 static int is_retryable(SSL *con, int i)
2791 int err = SSL_get_error(con, i);
2793 /* If it's not a fatal error, it must be retryable */
2794 return (err != SSL_ERROR_SSL)
2795 && (err != SSL_ERROR_SYSCALL)
2796 && (err != SSL_ERROR_ZERO_RETURN);
2799 static int init_ssl_connection(SSL *con)
2805 if (dtlslisten || stateless) {
2806 BIO_ADDR *client = NULL;
2809 if ((client = BIO_ADDR_new()) == NULL) {
2810 BIO_printf(bio_err, "ERROR - memory\n");
2813 i = DTLSv1_listen(con, client);
2815 i = SSL_stateless(con);
2822 wbio = SSL_get_wbio(con);
2824 BIO_get_fd(wbio, &fd);
2827 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2828 BIO_printf(bio_err, "ERROR - unable to connect\n");
2829 BIO_ADDR_free(client);
2833 (void)BIO_ctrl_set_connected(wbio, client);
2834 BIO_ADDR_free(client);
2839 i = SSL_accept(con);
2841 BIO_ADDR_free(client);
2845 i = SSL_accept(con);
2848 retry = is_retryable(con, i);
2849 #ifdef CERT_CB_TEST_RETRY
2852 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2853 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2855 "LOOKUP from certificate callback during accept\n");
2856 i = SSL_accept(con);
2858 retry = is_retryable(con, i);
2863 #ifndef OPENSSL_NO_SRP
2865 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2866 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2867 srp_callback_parm.login);
2868 SRP_user_pwd_free(srp_callback_parm.user);
2869 srp_callback_parm.user =
2870 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2871 srp_callback_parm.login);
2872 if (srp_callback_parm.user)
2873 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2874 srp_callback_parm.user->info);
2876 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2877 i = SSL_accept(con);
2879 retry = is_retryable(con, i);
2882 } while (i < 0 && SSL_waiting_for_async(con));
2886 if (((dtlslisten || stateless) && i == 0)
2887 || (!dtlslisten && !stateless && retry)) {
2888 BIO_printf(bio_s_out, "DELAY\n");
2892 BIO_printf(bio_err, "ERROR\n");
2894 verify_err = SSL_get_verify_result(con);
2895 if (verify_err != X509_V_OK) {
2896 BIO_printf(bio_err, "verify error:%s\n",
2897 X509_verify_cert_error_string(verify_err));
2899 /* Always print any error messages */
2900 ERR_print_errors(bio_err);
2904 print_connection_info(con);
2908 static void print_connection_info(SSL *con)
2913 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2914 const unsigned char *next_proto_neg;
2915 unsigned next_proto_neg_len;
2917 unsigned char *exportedkeymat;
2921 print_ssl_summary(con);
2923 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2925 peer = SSL_get_peer_certificate(con);
2927 BIO_printf(bio_s_out, "Client certificate\n");
2928 PEM_write_bio_X509(bio_s_out, peer);
2929 dump_cert_text(bio_s_out, peer);
2934 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2935 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2936 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2937 ssl_print_sigalgs(bio_s_out, con);
2938 #ifndef OPENSSL_NO_EC
2939 ssl_print_point_formats(bio_s_out, con);
2940 ssl_print_groups(bio_s_out, con, 0);
2942 print_ca_names(bio_s_out, con);
2943 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2945 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2946 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2947 if (next_proto_neg) {
2948 BIO_printf(bio_s_out, "NEXTPROTO is ");
2949 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2950 BIO_printf(bio_s_out, "\n");
2953 #ifndef OPENSSL_NO_SRTP
2955 SRTP_PROTECTION_PROFILE *srtp_profile
2956 = SSL_get_selected_srtp_profile(con);
2959 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2960 srtp_profile->name);
2963 if (SSL_session_reused(con))
2964 BIO_printf(bio_s_out, "Reused session-id\n");
2965 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2966 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2967 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2968 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2970 if (keymatexportlabel != NULL) {
2971 BIO_printf(bio_s_out, "Keying material exporter:\n");
2972 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2973 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2974 exportedkeymat = app_malloc(keymatexportlen, "export key");
2975 if (!SSL_export_keying_material(con, exportedkeymat,
2978 strlen(keymatexportlabel),
2980 BIO_printf(bio_s_out, " Error\n");
2982 BIO_printf(bio_s_out, " Keying material: ");
2983 for (i = 0; i < keymatexportlen; i++)
2984 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2985 BIO_printf(bio_s_out, "\n");
2987 OPENSSL_free(exportedkeymat);
2989 #ifndef OPENSSL_NO_KTLS
2990 if (BIO_get_ktls_send(SSL_get_wbio(con)))
2991 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
2992 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
2993 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
2996 (void)BIO_flush(bio_s_out);
2999 #ifndef OPENSSL_NO_DH
3000 static DH *load_dh_param(const char *dhfile)
3005 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
3007 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
3014 static int www_body(int s, int stype, int prot, unsigned char *context)
3020 const SSL_CIPHER *c;
3021 BIO *io, *ssl_bio, *sbio;
3023 int total_bytes = 0;
3029 /* Set width for a select call if needed */
3032 buf = app_malloc(bufsize, "server www buffer");
3033 io = BIO_new(BIO_f_buffer());
3034 ssl_bio = BIO_new(BIO_f_ssl());
3035 if ((io == NULL) || (ssl_bio == NULL))
3039 if (!BIO_socket_nbio(s, 1))
3040 ERR_print_errors(bio_err);
3042 BIO_printf(bio_err, "Turned on non blocking io\n");
3045 /* lets make the output buffer a reasonable size */
3046 if (!BIO_set_write_buffer_size(io, bufsize))
3049 if ((con = SSL_new(ctx)) == NULL)
3052 if (s_tlsextdebug) {
3053 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3054 SSL_set_tlsext_debug_arg(con, bio_s_out);
3058 && !SSL_set_session_id_context(con, context,
3059 strlen((char *)context))) {
3064 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3068 test = BIO_new(BIO_f_nbio_test());
3069 sbio = BIO_push(test, sbio);
3071 SSL_set_bio(con, sbio, sbio);
3072 SSL_set_accept_state(con);
3074 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3075 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3076 BIO_push(io, ssl_bio);
3077 #ifdef CHARSET_EBCDIC
3078 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3082 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3083 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3086 #ifndef OPENSSL_NO_SSL_TRACE
3088 SSL_set_msg_callback(con, SSL_trace);
3091 SSL_set_msg_callback(con, msg_cb);
3092 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3096 i = BIO_gets(io, buf, bufsize - 1);
3097 if (i < 0) { /* error */
3098 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3100 ERR_print_errors(bio_err);
3103 BIO_printf(bio_s_out, "read R BLOCK\n");
3104 #ifndef OPENSSL_NO_SRP
3105 if (BIO_should_io_special(io)
3106 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3107 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3108 SRP_user_pwd_free(srp_callback_parm.user);
3109 srp_callback_parm.user =
3110 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3111 srp_callback_parm.login);
3112 if (srp_callback_parm.user)
3113 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3114 srp_callback_parm.user->info);
3116 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3120 #if !defined(OPENSSL_SYS_MSDOS)
3125 } else if (i == 0) { /* end of input */
3130 /* else we have data */
3131 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3132 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3135 STACK_OF(SSL_CIPHER) *sk;
3136 static const char *space = " ";
3138 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3139 if (strncmp("GET /renegcert", buf, 14) == 0)
3141 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3143 i = SSL_renegotiate(con);
3144 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3145 /* Send the HelloRequest */
3146 i = SSL_do_handshake(con);
3148 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3149 SSL_get_error(con, i));
3150 ERR_print_errors(bio_err);
3153 /* Wait for a ClientHello to come back */
3155 openssl_fdset(s, &readfds);
3156 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3157 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3158 BIO_printf(bio_s_out,
3159 "Error waiting for client response\n");
3160 ERR_print_errors(bio_err);
3164 * We're not actually expecting any data here and we ignore
3165 * any that is sent. This is just to force the handshake that
3166 * we're expecting to come from the client. If they haven't
3167 * sent one there's not much we can do.
3169 BIO_gets(io, buf, bufsize - 1);
3173 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3174 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3175 BIO_puts(io, "<pre>\n");
3176 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3178 for (i = 0; i < local_argc; i++) {
3180 for (myp = local_argv[i]; *myp; myp++)
3183 BIO_puts(io, "<");
3186 BIO_puts(io, ">");
3189 BIO_puts(io, "&");
3192 BIO_write(io, myp, 1);
3195 BIO_write(io, " ", 1);
3200 "Secure Renegotiation IS%s supported\n",
3201 SSL_get_secure_renegotiation_support(con) ?
3205 * The following is evil and should not really be done
3207 BIO_printf(io, "Ciphers supported in s_server binary\n");
3208 sk = SSL_get_ciphers(con);
3209 j = sk_SSL_CIPHER_num(sk);
3210 for (i = 0; i < j; i++) {
3211 c = sk_SSL_CIPHER_value(sk, i);
3212 BIO_printf(io, "%-11s:%-25s ",
3213 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3214 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3218 p = SSL_get_shared_ciphers(con, buf, bufsize);
3221 "---\nCiphers common between both SSL end points:\n");
3225 BIO_write(io, space, 26 - j);
3228 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3230 BIO_write(io, p, 1);
3237 ssl_print_sigalgs(io, con);
3238 #ifndef OPENSSL_NO_EC
3239 ssl_print_groups(io, con, 0);
3241 print_ca_names(io, con);
3242 BIO_printf(io, (SSL_session_reused(con)
3243 ? "---\nReused, " : "---\nNew, "));
3244 c = SSL_get_current_cipher(con);
3245 BIO_printf(io, "%s, Cipher is %s\n",
3246 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3247 SSL_SESSION_print(io, SSL_get_session(con));
3248 BIO_printf(io, "---\n");
3249 print_stats(io, SSL_get_SSL_CTX(con));
3250 BIO_printf(io, "---\n");
3251 peer = SSL_get_peer_certificate(con);
3253 BIO_printf(io, "Client certificate\n");
3254 X509_print(io, peer);
3255 PEM_write_bio_X509(io, peer);
3259 BIO_puts(io, "no client certificate available\n");
3261 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3263 } else if ((www == 2 || www == 3)
3264 && (strncmp("GET /", buf, 5) == 0)) {
3267 static const char *text =
3268 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3274 for (e = p; *e != '\0'; e++) {
3279 /* Windows drive. We treat this the same way as ".." */
3286 dot = (e[0] == '.') ? 2 : 0;
3289 dot = (e[0] == '.') ? 3 : 0;
3292 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
3296 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
3298 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3303 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3310 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
3314 if (*p == '/' || *p == '\\') {
3316 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3320 /* if a directory, do the index thang */
3321 if (app_isdir(p) > 0) {
3323 BIO_printf(io, "'%s' is a directory\r\n", p);
3327 opmode = (http_server_binmode == 1) ? "rb" : "r";
3328 if ((file = BIO_new_file(p, opmode)) == NULL) {
3330 BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
3331 ERR_print_errors(io);
3336 BIO_printf(bio_err, "FILE:%s\n", p);
3340 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3341 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3342 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3344 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3347 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3350 #ifndef OPENSSL_NO_KTLS
3358 BIO_get_fp(file, &fp);
3360 if (fstat(fd, &st) < 0) {
3361 BIO_printf(io, "Error fstat '%s'\r\n", p);
3362 ERR_print_errors(io);
3366 filesize = st.st_size;
3367 if (((int)BIO_flush(io)) < 0)
3371 i = SSL_sendfile(con, fd, offset, filesize, 0);
3373 BIO_printf(io, "Error SSL_sendfile '%s'\r\n", p);
3374 ERR_print_errors(io);
3381 if (filesize <= 0) {
3383 BIO_printf(bio_err, "KTLS SENDFILE '%s' OK\n", p);
3392 i = BIO_read(file, buf, bufsize);
3398 BIO_printf(bio_err, "%d\n", i);
3399 if (total_bytes > 3 * 1024) {
3401 BIO_printf(bio_err, "RENEGOTIATE\n");
3402 SSL_renegotiate(con);
3406 for (j = 0; j < i;) {
3410 SSL_renegotiate(con);
3412 k = BIO_write(io, &(buf[j]), i - j);
3414 if (!BIO_should_retry(io)
3415 && !SSL_waiting_for_async(con)) {
3418 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3433 i = (int)BIO_flush(io);
3435 if (!BIO_should_retry(io))
3441 /* make sure we re-use sessions */
3442 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3450 static int rev_body(int s, int stype, int prot, unsigned char *context)
3456 BIO *io, *ssl_bio, *sbio;
3458 buf = app_malloc(bufsize, "server rev buffer");
3459 io = BIO_new(BIO_f_buffer());
3460 ssl_bio = BIO_new(BIO_f_ssl());
3461 if ((io == NULL) || (ssl_bio == NULL))
3464 /* lets make the output buffer a reasonable size */
3465 if (!BIO_set_write_buffer_size(io, bufsize))
3468 if ((con = SSL_new(ctx)) == NULL)
3471 if (s_tlsextdebug) {
3472 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3473 SSL_set_tlsext_debug_arg(con, bio_s_out);
3476 && !SSL_set_session_id_context(con, context,
3477 strlen((char *)context))) {
3479 ERR_print_errors(bio_err);
3483 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3484 SSL_set_bio(con, sbio, sbio);
3485 SSL_set_accept_state(con);
3487 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3488 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3489 BIO_push(io, ssl_bio);
3490 #ifdef CHARSET_EBCDIC
3491 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3495 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3496 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3499 #ifndef OPENSSL_NO_SSL_TRACE
3501 SSL_set_msg_callback(con, SSL_trace);
3504 SSL_set_msg_callback(con, msg_cb);
3505 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3509 i = BIO_do_handshake(io);
3512 if (!BIO_should_retry(io)) {
3513 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3514 ERR_print_errors(bio_err);
3517 #ifndef OPENSSL_NO_SRP
3518 if (BIO_should_io_special(io)
3519 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3520 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3521 SRP_user_pwd_free(srp_callback_parm.user);
3522 srp_callback_parm.user =
3523 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3524 srp_callback_parm.login);
3525 if (srp_callback_parm.user)
3526 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3527 srp_callback_parm.user->info);
3529 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3534 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3535 print_ssl_summary(con);
3538 i = BIO_gets(io, buf, bufsize - 1);
3539 if (i < 0) { /* error */
3540 if (!BIO_should_retry(io)) {
3542 ERR_print_errors(bio_err);
3545 BIO_printf(bio_s_out, "read R BLOCK\n");
3546 #ifndef OPENSSL_NO_SRP
3547 if (BIO_should_io_special(io)
3548 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3549 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3550 SRP_user_pwd_free(srp_callback_parm.user);
3551 srp_callback_parm.user =
3552 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3553 srp_callback_parm.login);
3554 if (srp_callback_parm.user)
3555 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3556 srp_callback_parm.user->info);
3558 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3562 #if !defined(OPENSSL_SYS_MSDOS)
3567 } else if (i == 0) { /* end of input */
3569 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3572 char *p = buf + i - 1;
3573 while (i && (*p == '\n' || *p == '\r')) {
3577 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3579 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3582 BUF_reverse((unsigned char *)buf, NULL, i);
3584 BIO_write(io, buf, i + 1);
3589 if (!BIO_should_retry(io))
3595 /* make sure we re-use sessions */
3596 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3605 #define MAX_SESSION_ID_ATTEMPTS 10
3606 static int generate_session_id(SSL *ssl, unsigned char *id,
3607 unsigned int *id_len)
3609 unsigned int count = 0;
3610 unsigned int session_id_prefix_len = strlen(session_id_prefix);
3613 if (RAND_bytes(id, *id_len) <= 0)
3616 * Prefix the session_id with the required prefix. NB: If our prefix
3617 * is too long, clip it - but there will be worse effects anyway, eg.
3618 * the server could only possibly create 1 session ID (ie. the
3619 * prefix!) so all future session negotiations will fail due to
3622 memcpy(id, session_id_prefix,
3623 (session_id_prefix_len < *id_len) ?
3624 session_id_prefix_len : *id_len);
3626 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3627 (++count < MAX_SESSION_ID_ATTEMPTS));
3628 if (count >= MAX_SESSION_ID_ATTEMPTS)
3634 * By default s_server uses an in-memory cache which caches SSL_SESSION
3635 * structures without any serialisation. This hides some bugs which only
3636 * become apparent in deployed servers. By implementing a basic external
3637 * session cache some issues can be debugged using s_server.
3640 typedef struct simple_ssl_session_st {
3645 struct simple_ssl_session_st *next;
3646 } simple_ssl_session;
3648 static simple_ssl_session *first = NULL;
3650 static int add_session(SSL *ssl, SSL_SESSION *session)
3652 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3655 SSL_SESSION_get_id(session, &sess->idlen);
3656 sess->derlen = i2d_SSL_SESSION(session, NULL);
3657 if (sess->derlen < 0) {
3658 BIO_printf(bio_err, "Error encoding session\n");
3663 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3664 sess->der = app_malloc(sess->derlen, "get session buffer");
3666 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3667 OPENSSL_free(sess->id);
3668 OPENSSL_free(sess->der);
3674 /* Assume it still works. */
3675 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3676 BIO_printf(bio_err, "Unexpected session encoding length\n");
3677 OPENSSL_free(sess->id);
3678 OPENSSL_free(sess->der);
3685 BIO_printf(bio_err, "New session added to external cache\n");
3689 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3692 simple_ssl_session *sess;
3694 for (sess = first; sess; sess = sess->next) {
3695 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3696 const unsigned char *p = sess->der;
3697 BIO_printf(bio_err, "Lookup session: cache hit\n");
3698 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3701 BIO_printf(bio_err, "Lookup session: cache miss\n");
3705 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3707 simple_ssl_session *sess, *prev = NULL;
3708 const unsigned char *id;
3710 id = SSL_SESSION_get_id(session, &idlen);
3711 for (sess = first; sess; sess = sess->next) {
3712 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3714 prev->next = sess->next;
3717 OPENSSL_free(sess->id);
3718 OPENSSL_free(sess->der);
3726 static void init_session_cache_ctx(SSL_CTX *sctx)
3728 SSL_CTX_set_session_cache_mode(sctx,
3729 SSL_SESS_CACHE_NO_INTERNAL |
3730 SSL_SESS_CACHE_SERVER);
3731 SSL_CTX_sess_set_new_cb(sctx, add_session);
3732 SSL_CTX_sess_set_get_cb(sctx, get_session);
3733 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3736 static void free_sessions(void)
3738 simple_ssl_session *sess, *tsess;
3739 for (sess = first; sess;) {
3740 OPENSSL_free(sess->id);
3741 OPENSSL_free(sess->der);
3744 OPENSSL_free(tsess);
3749 #endif /* OPENSSL_NO_SOCK */