2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* ====================================================================
11 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
12 * ECC cipher suite support in OpenSSL originally developed by
13 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
15 /* ====================================================================
16 * Copyright 2005 Nokia. All rights reserved.
18 * The portions of the attached software ("Contribution") is developed by
19 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
22 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
23 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
24 * support (see RFC 4279) to OpenSSL.
26 * No patent licenses or other rights except those expressly stated in
27 * the OpenSSL open source license shall be deemed granted or received
28 * expressly, by implication, estoppel, or otherwise.
30 * No assurances are provided by Nokia that the Contribution does not
31 * infringe the patent or other intellectual property rights of any third
32 * party or that the license provides you with all the necessary rights
33 * to make use of the Contribution.
35 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
36 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
37 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
38 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
47 /* Included before async.h to avoid some warnings */
51 #include <openssl/e_os2.h>
52 #include <openssl/async.h>
53 #include <openssl/ssl.h>
55 #ifndef OPENSSL_NO_SOCK
58 * With IPv6, it looks like Digital has mixed up the proper order of
59 * recursive header file inclusion, resulting in the compiler complaining
60 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
61 * needed to have fileno() declared correctly... So let's define u_int
63 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
65 typedef unsigned int u_int;
68 #include <openssl/lhash.h>
69 #include <openssl/bn.h>
72 #include <openssl/err.h>
73 #include <openssl/pem.h>
74 #include <openssl/x509.h>
75 #include <openssl/ssl.h>
76 #include <openssl/rand.h>
77 #include <openssl/ocsp.h>
79 # include <openssl/dh.h>
81 #ifndef OPENSSL_NO_RSA
82 # include <openssl/rsa.h>
84 #ifndef OPENSSL_NO_SRP
85 # include <openssl/srp.h>
90 #include <openssl/ebcdic.h>
93 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
94 static int sv_body(int s, int stype, unsigned char *context);
95 static int www_body(int s, int stype, unsigned char *context);
96 static int rev_body(int s, int stype, unsigned char *context);
97 static void close_accept_socket(void);
98 static int init_ssl_connection(SSL *s);
99 static void print_stats(BIO *bp, SSL_CTX *ctx);
100 static int generate_session_id(const SSL *ssl, unsigned char *id,
101 unsigned int *id_len);
102 static void init_session_cache_ctx(SSL_CTX *sctx);
103 static void free_sessions(void);
104 #ifndef OPENSSL_NO_DH
105 static DH *load_dh_param(const char *dhfile);
107 static void print_connection_info(SSL *con);
109 static const int bufsize = 16 * 1024;
110 static int accept_socket = -1;
112 #define TEST_CERT "server.pem"
113 #define TEST_CERT2 "server2.pem"
115 static int s_nbio = 0;
116 static int s_nbio_test = 0;
117 static int s_crlf = 0;
118 static SSL_CTX *ctx = NULL;
119 static SSL_CTX *ctx2 = NULL;
122 static BIO *bio_s_out = NULL;
123 static BIO *bio_s_msg = NULL;
124 static int s_debug = 0;
125 static int s_tlsextdebug = 0;
126 static int s_msg = 0;
127 static int s_quiet = 0;
128 static int s_ign_eof = 0;
129 static int s_brief = 0;
131 static char *keymatexportlabel = NULL;
132 static int keymatexportlen = 20;
134 static int async = 0;
136 static const char *session_id_prefix = NULL;
138 #ifndef OPENSSL_NO_DTLS
139 static int enable_timeouts = 0;
140 static long socket_mtu;
141 static int dtlslisten = 0;
144 static int early_data = 0;
146 #ifndef OPENSSL_NO_PSK
147 static const char psk_identity[] = "Client_identity";
148 char *psk_key = NULL; /* by default PSK is not used */
150 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
152 unsigned int max_psk_len)
158 BIO_printf(bio_s_out, "psk_server_cb\n");
160 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
164 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
165 (int)strlen(identity), identity);
167 /* here we could lookup the given identity e.g. from a database */
168 if (strcmp(identity, psk_identity) != 0) {
169 BIO_printf(bio_s_out, "PSK error: client identity not found"
170 " (got '%s' expected '%s')\n", identity, psk_identity);
174 BIO_printf(bio_s_out, "PSK client identity found\n");
176 /* convert the PSK key to binary */
177 key = OPENSSL_hexstr2buf(psk_key, &key_len);
179 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
183 if (key_len > (int)max_psk_len) {
185 "psk buffer of callback is too small (%d) for key (%ld)\n",
186 max_psk_len, key_len);
191 memcpy(psk, key, key_len);
195 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
199 BIO_printf(bio_err, "Error in PSK server callback\n");
200 (void)BIO_flush(bio_err);
201 (void)BIO_flush(bio_s_out);
206 #ifndef OPENSSL_NO_SRP
207 /* This is a context that we pass to callbacks */
208 typedef struct srpsrvparm_st {
215 * This callback pretends to require some asynchronous logic in order to
216 * obtain a verifier. When the callback is called for a new connection we
217 * return with a negative value. This will provoke the accept etc to return
218 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
219 * (which would normally occur after a worker has finished) and we set the
222 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
224 srpsrvparm *p = (srpsrvparm *) arg;
225 int ret = SSL3_AL_FATAL;
227 if (p->login == NULL && p->user == NULL) {
228 p->login = SSL_get_srp_username(s);
229 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
233 if (p->user == NULL) {
234 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
238 if (SSL_set_srp_server_param
239 (s, p->user->N, p->user->g, p->user->s, p->user->v,
240 p->user->info) < 0) {
241 *ad = SSL_AD_INTERNAL_ERROR;
245 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
246 p->login, p->user->info);
247 ret = SSL_ERROR_NONE;
250 SRP_user_pwd_free(p->user);
258 static int local_argc = 0;
259 static char **local_argv;
261 #ifdef CHARSET_EBCDIC
262 static int ebcdic_new(BIO *bi);
263 static int ebcdic_free(BIO *a);
264 static int ebcdic_read(BIO *b, char *out, int outl);
265 static int ebcdic_write(BIO *b, const char *in, int inl);
266 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
267 static int ebcdic_gets(BIO *bp, char *buf, int size);
268 static int ebcdic_puts(BIO *bp, const char *str);
270 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
271 static BIO_METHOD *methods_ebcdic = NULL;
273 /* This struct is "unwarranted chumminess with the compiler." */
279 static const BIO_METHOD *BIO_f_ebcdic_filter()
281 if (methods_ebcdic == NULL) {
282 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
283 "EBCDIC/ASCII filter");
284 if (methods_ebcdic == NULL
285 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
286 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
287 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
288 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
289 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
290 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
291 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
294 return methods_ebcdic;
297 static int ebcdic_new(BIO *bi)
299 EBCDIC_OUTBUFF *wbuf;
301 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
302 wbuf->alloced = 1024;
303 wbuf->buff[0] = '\0';
305 BIO_set_data(bi, wbuf);
310 static int ebcdic_free(BIO *a)
312 EBCDIC_OUTBUFF *wbuf;
316 wbuf = BIO_get_data(a);
318 BIO_set_data(a, NULL);
324 static int ebcdic_read(BIO *b, char *out, int outl)
327 BIO *next = BIO_next(b);
329 if (out == NULL || outl == 0)
334 ret = BIO_read(next, out, outl);
336 ascii2ebcdic(out, out, ret);
340 static int ebcdic_write(BIO *b, const char *in, int inl)
342 EBCDIC_OUTBUFF *wbuf;
343 BIO *next = BIO_next(b);
347 if ((in == NULL) || (inl <= 0))
352 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
354 if (inl > (num = wbuf->alloced)) {
355 num = num + num; /* double the size */
359 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
362 wbuf->buff[0] = '\0';
364 BIO_set_data(b, wbuf);
367 ebcdic2ascii(wbuf->buff, in, inl);
369 ret = BIO_write(next, wbuf->buff, inl);
374 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
377 BIO *next = BIO_next(b);
386 ret = BIO_ctrl(next, cmd, num, ptr);
392 static int ebcdic_gets(BIO *bp, char *buf, int size)
395 BIO *next = BIO_next(bp);
399 /* return(BIO_gets(bp->next_bio,buf,size));*/
400 for (i = 0; i < size - 1; ++i) {
401 ret = ebcdic_read(bp, &buf[i], 1);
404 else if (buf[i] == '\n') {
411 return (ret < 0 && i == 0) ? ret : i;
414 static int ebcdic_puts(BIO *bp, const char *str)
416 if (BIO_next(bp) == NULL)
418 return ebcdic_write(bp, str, strlen(str));
422 /* This is a context that we pass to callbacks */
423 typedef struct tlsextctx_st {
429 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
431 tlsextctx *p = (tlsextctx *) arg;
432 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
433 if (servername && p->biodebug)
434 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
438 return SSL_TLSEXT_ERR_NOACK;
441 if (strcasecmp(servername, p->servername))
442 return p->extension_error;
444 BIO_printf(p->biodebug, "Switching server context.\n");
445 SSL_set_SSL_CTX(s, ctx2);
448 return SSL_TLSEXT_ERR_OK;
451 /* Structure passed to cert status callback */
452 typedef struct tlsextstatusctx_st {
454 /* File to load OCSP Response from (or NULL if no file) */
456 /* Default responder to use */
457 char *host, *path, *port;
462 static tlsextstatusctx tlscstatp = { -1 };
464 #ifndef OPENSSL_NO_OCSP
467 * Helper function to get an OCSP_RESPONSE from a responder. This is a
468 * simplified version. It examines certificates each time and makes one OCSP
469 * responder query for each request. A full version would store details such as
470 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
471 * them until they were considered "expired".
473 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
474 OCSP_RESPONSE **resp)
476 char *host = NULL, *port = NULL, *path = NULL;
478 STACK_OF(OPENSSL_STRING) *aia = NULL;
480 X509_STORE_CTX *inctx = NULL;
482 OCSP_REQUEST *req = NULL;
483 OCSP_CERTID *id = NULL;
484 STACK_OF(X509_EXTENSION) *exts;
485 int ret = SSL_TLSEXT_ERR_NOACK;
488 /* Build up OCSP query from server certificate */
489 x = SSL_get_certificate(s);
490 aia = X509_get1_ocsp(x);
492 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
493 &host, &port, &path, &use_ssl)) {
494 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
498 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
499 sk_OPENSSL_STRING_value(aia, 0));
503 "cert_status: no AIA and no default responder URL\n");
509 use_ssl = srctx->use_ssl;
512 inctx = X509_STORE_CTX_new();
515 if (!X509_STORE_CTX_init(inctx,
516 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
519 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
520 X509_get_issuer_name(x));
522 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
525 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
526 X509_OBJECT_free(obj);
529 req = OCSP_REQUEST_new();
532 if (!OCSP_request_add0_id(req, id))
535 /* Add any extensions to the request */
536 SSL_get_tlsext_status_exts(s, &exts);
537 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
538 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
539 if (!OCSP_REQUEST_add_ext(req, ext, -1))
542 *resp = process_responder(req, host, path, port, use_ssl, NULL,
545 BIO_puts(bio_err, "cert_status: error querying responder\n");
549 ret = SSL_TLSEXT_ERR_OK;
553 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
556 * If we parsed aia we need to free; otherwise they were copied and we
563 X509_email_free(aia);
565 OCSP_CERTID_free(id);
566 OCSP_REQUEST_free(req);
567 X509_STORE_CTX_free(inctx);
572 * Certificate Status callback. This is called when a client includes a
573 * certificate status request extension. The response is either obtained from a
574 * file, or from an OCSP responder.
576 static int cert_status_cb(SSL *s, void *arg)
578 tlsextstatusctx *srctx = arg;
579 OCSP_RESPONSE *resp = NULL;
580 unsigned char *rspder = NULL;
582 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
585 BIO_puts(bio_err, "cert_status: callback called\n");
587 if (srctx->respin != NULL) {
588 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
589 if (derbio == NULL) {
590 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
593 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
596 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
600 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
601 if (ret != SSL_TLSEXT_ERR_OK)
605 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
609 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
610 if (srctx->verbose) {
611 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
612 OCSP_RESPONSE_print(bio_err, resp, 2);
615 ret = SSL_TLSEXT_ERR_OK;
618 if (ret != SSL_TLSEXT_ERR_OK)
619 ERR_print_errors(bio_err);
621 OCSP_RESPONSE_free(resp);
627 #ifndef OPENSSL_NO_NEXTPROTONEG
628 /* This is the context that we pass to next_proto_cb */
629 typedef struct tlsextnextprotoctx_st {
632 } tlsextnextprotoctx;
634 static int next_proto_cb(SSL *s, const unsigned char **data,
635 unsigned int *len, void *arg)
637 tlsextnextprotoctx *next_proto = arg;
639 *data = next_proto->data;
640 *len = next_proto->len;
642 return SSL_TLSEXT_ERR_OK;
644 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
646 /* This the context that we pass to alpn_cb */
647 typedef struct tlsextalpnctx_st {
652 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
653 const unsigned char *in, unsigned int inlen, void *arg)
655 tlsextalpnctx *alpn_ctx = arg;
658 /* We can assume that |in| is syntactically valid. */
660 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
661 for (i = 0; i < inlen;) {
663 BIO_write(bio_s_out, ", ", 2);
664 BIO_write(bio_s_out, &in[i + 1], in[i]);
667 BIO_write(bio_s_out, "\n", 1);
670 if (SSL_select_next_proto
671 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
672 inlen) != OPENSSL_NPN_NEGOTIATED) {
673 return SSL_TLSEXT_ERR_NOACK;
677 BIO_printf(bio_s_out, "ALPN protocols selected: ");
678 BIO_write(bio_s_out, *out, *outlen);
679 BIO_write(bio_s_out, "\n", 1);
682 return SSL_TLSEXT_ERR_OK;
685 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
687 /* disable resumption for sessions with forward secure ciphers */
688 return is_forward_secure;
691 #ifndef OPENSSL_NO_SRP
692 static srpsrvparm srp_callback_parm;
694 #ifndef OPENSSL_NO_SRTP
695 static char *srtp_profiles = NULL;
698 typedef enum OPTION_choice {
699 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
700 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
701 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
702 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
703 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
704 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
705 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
706 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
707 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
708 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
709 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
710 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
711 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
712 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
713 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
714 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
715 OPT_SSL_CONFIG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
716 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
717 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN,
718 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
719 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
720 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
721 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_EARLY_DATA,
727 const OPTIONS s_server_options[] = {
728 {"help", OPT_HELP, '-', "Display this summary"},
729 {"port", OPT_PORT, 'p',
730 "TCP/IP port to listen on for connections (default is " PORT ")"},
731 {"accept", OPT_ACCEPT, 's',
732 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
734 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
736 {"4", OPT_4, '-', "Use IPv4 only"},
737 {"6", OPT_6, '-', "Use IPv6 only"},
739 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
741 {"context", OPT_CONTEXT, 's', "Set session ID context"},
742 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
743 {"Verify", OPT_UPPER_V_VERIFY, 'n',
744 "Turn on peer certificate verification, must have a cert"},
745 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
746 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
747 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
748 {"serverinfo", OPT_SERVERINFO, 's',
749 "PEM serverinfo file for certificate"},
750 {"certform", OPT_CERTFORM, 'F',
751 "Certificate format (PEM or DER) PEM default"},
752 {"key", OPT_KEY, '<',
753 "Private Key if not in -cert; default is " TEST_CERT},
754 {"keyform", OPT_KEYFORM, 'f',
755 "Key format (PEM, DER or ENGINE) PEM default"},
756 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
757 {"dcert", OPT_DCERT, '<',
758 "Second certificate file to use (usually for DSA)"},
759 {"dcertform", OPT_DCERTFORM, 'F',
760 "Second certificate format (PEM or DER) PEM default"},
761 {"dkey", OPT_DKEY, '<',
762 "Second private key file to use (usually for DSA)"},
763 {"dkeyform", OPT_DKEYFORM, 'F',
764 "Second key format (PEM, DER or ENGINE) PEM default"},
765 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
766 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
767 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
768 {"debug", OPT_DEBUG, '-', "Print more output"},
769 {"msg", OPT_MSG, '-', "Show protocol messages"},
770 {"msgfile", OPT_MSGFILE, '>',
771 "File to send output of -msg or -trace, instead of stdout"},
772 {"state", OPT_STATE, '-', "Print the SSL states"},
773 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
774 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
775 {"no-CAfile", OPT_NOCAFILE, '-',
776 "Do not load the default certificates file"},
777 {"no-CApath", OPT_NOCAPATH, '-',
778 "Do not load certificates from the default certificates directory"},
779 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
780 {"quiet", OPT_QUIET, '-', "No server output"},
781 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
782 "Disable caching and tickets if ephemeral (EC)DH is used"},
783 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
784 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
785 {"servername", OPT_SERVERNAME, 's',
786 "Servername for HostName TLS extension"},
787 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
788 "mismatch send fatal alert (default warning alert)"},
789 {"cert2", OPT_CERT2, '<',
790 "Certificate file to use for servername; default is" TEST_CERT2},
791 {"key2", OPT_KEY2, '<',
792 "-Private Key file to use for servername if not in -cert2"},
793 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
794 "Hex dump of all TLS extensions received"},
795 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
796 {"id_prefix", OPT_ID_PREFIX, 's',
797 "Generate SSL/TLS session IDs prefixed by arg"},
798 {"rand", OPT_RAND, 's',
799 "Load the file(s) into the random number generator"},
800 {"keymatexport", OPT_KEYMATEXPORT, 's',
801 "Export keying material using label"},
802 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
803 "Export len bytes of keying material (default 20)"},
804 {"CRL", OPT_CRL, '<', "CRL file to use"},
805 {"crl_download", OPT_CRL_DOWNLOAD, '-',
806 "Download CRL from distribution points"},
807 {"cert_chain", OPT_CERT_CHAIN, '<',
808 "certificate chain file in PEM format"},
809 {"dcert_chain", OPT_DCERT_CHAIN, '<',
810 "second certificate chain file in PEM format"},
811 {"chainCApath", OPT_CHAINCAPATH, '/',
812 "use dir as certificate store path to build CA certificate chain"},
813 {"verifyCApath", OPT_VERIFYCAPATH, '/',
814 "use dir as certificate store path to verify CA certificate"},
815 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
816 {"ext_cache", OPT_EXT_CACHE, '-',
817 "Disable internal cache, setup and use external cache"},
818 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
819 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
820 "Close connection on verification error"},
821 {"verify_quiet", OPT_VERIFY_QUIET, '-',
822 "No verify output except verify errors"},
823 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
824 {"chainCAfile", OPT_CHAINCAFILE, '<',
825 "CA file for certificate chain (PEM format)"},
826 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
827 "CA file for certificate verification (PEM format)"},
828 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
829 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
830 #ifndef OPENSSL_NO_OCSP
831 {"status", OPT_STATUS, '-', "Request certificate status from server"},
832 {"status_verbose", OPT_STATUS_VERBOSE, '-',
833 "Print more output in certificate status callback"},
834 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
835 "Status request responder timeout"},
836 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
837 {"status_file", OPT_STATUS_FILE, '<',
838 "File containing DER encoded OCSP Response"},
840 #ifndef OPENSSL_NO_SSL_TRACE
841 {"trace", OPT_TRACE, '-', "trace protocol messages"},
843 {"security_debug", OPT_SECURITY_DEBUG, '-',
844 "Print output from SSL/TLS security framework"},
845 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
846 "Print more output from SSL/TLS security framework"},
847 {"brief", OPT_BRIEF, '-',
848 "Restrict output to brief summary of connection parameters"},
849 {"rev", OPT_REV, '-',
850 "act as a simple test server which just sends back with the received text reversed"},
851 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
852 {"ssl_config", OPT_SSL_CONFIG, 's',
853 "Configure SSL_CTX using the configuration 'val'"},
854 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
855 "Size used to split data for encrypt pipelines"},
856 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
857 "Maximum number of encrypt/decrypt pipelines to be used"},
858 {"read_buf", OPT_READ_BUF, 'n',
859 "Default read buffer size to be used for connections"},
863 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
864 #ifndef OPENSSL_NO_PSK
865 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
866 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
868 #ifndef OPENSSL_NO_SRP
869 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
870 {"srpuserseed", OPT_SRPUSERSEED, 's',
871 "A seed string for a default user salt"},
873 #ifndef OPENSSL_NO_SSL3
874 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
876 #ifndef OPENSSL_NO_TLS1
877 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
879 #ifndef OPENSSL_NO_TLS1_1
880 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
882 #ifndef OPENSSL_NO_TLS1_2
883 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
885 #ifndef OPENSSL_NO_TLS1_3
886 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
888 #ifndef OPENSSL_NO_DTLS
889 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
890 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
891 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
892 {"listen", OPT_LISTEN, '-',
893 "Listen for a DTLS ClientHello with a cookie and then connect"},
895 #ifndef OPENSSL_NO_DTLS1
896 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
898 #ifndef OPENSSL_NO_DTLS1_2
899 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
901 #ifndef OPENSSL_NO_DH
902 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
904 #ifndef OPENSSL_NO_NEXTPROTONEG
905 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
906 "Set the advertised protocols for the NPN extension (comma-separated list)"},
908 #ifndef OPENSSL_NO_SRTP
909 {"use_srtp", OPT_SRTP_PROFILES, 's',
910 "Offer SRTP key management with a colon-separated profile list"},
912 {"alpn", OPT_ALPN, 's',
913 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
914 #ifndef OPENSSL_NO_ENGINE
915 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
917 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
918 {"max_early_data", OPT_MAX_EARLY, 'n',
919 "The maximum number of bytes of early data"},
920 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
921 {NULL, OPT_EOF, 0, NULL}
924 #define IS_PROT_FLAG(o) \
925 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
926 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
928 int s_server_main(int argc, char *argv[])
930 ENGINE *engine = NULL;
931 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
932 SSL_CONF_CTX *cctx = NULL;
933 const SSL_METHOD *meth = TLS_server_method();
934 SSL_EXCERT *exc = NULL;
935 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
936 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
937 STACK_OF(X509_CRL) *crls = NULL;
938 X509 *s_cert = NULL, *s_dcert = NULL;
939 X509_VERIFY_PARAM *vpm = NULL;
940 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
941 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
942 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
943 char *crl_file = NULL, *prog;
945 int unlink_unix_path = 0;
947 do_server_cb server_cb;
948 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
949 #ifndef OPENSSL_NO_DH
953 int nocert = 0, ret = 1;
954 int noCApath = 0, noCAfile = 0;
955 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
956 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
957 int rev = 0, naccept = -1, sdebug = 0;
958 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
959 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
961 char *port = BUF_strdup(PORT);
962 unsigned char *context = NULL;
964 EVP_PKEY *s_key2 = NULL;
965 X509 *s_cert2 = NULL;
966 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
967 const char *ssl_config = NULL;
968 int read_buf_len = 0;
969 #ifndef OPENSSL_NO_NEXTPROTONEG
970 const char *next_proto_neg_in = NULL;
971 tlsextnextprotoctx next_proto = { NULL, 0 };
973 const char *alpn_in = NULL;
974 tlsextalpnctx alpn_ctx = { NULL, 0 };
975 #ifndef OPENSSL_NO_PSK
976 /* by default do not send a PSK identity hint */
977 char *psk_identity_hint = NULL;
980 #ifndef OPENSSL_NO_SRP
981 char *srpuserseed = NULL;
982 char *srp_verifier_file = NULL;
984 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
985 int s_server_verify = SSL_VERIFY_NONE;
986 int s_server_session_id_context = 1; /* anything will do */
987 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
988 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
989 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
990 #ifndef OPENSSL_NO_OCSP
991 int s_tlsextstatus = 0;
993 int no_resume_ephemeral = 0;
994 unsigned int split_send_fragment = 0, max_pipelines = 0;
995 const char *s_serverinfo_file = NULL;
996 const char *keylog_file = NULL;
997 int max_early_data = -1;
999 /* Init of few remaining global variables */
1004 s_nbio = s_nbio_test = 0;
1013 cctx = SSL_CONF_CTX_new();
1014 vpm = X509_VERIFY_PARAM_new();
1015 if (cctx == NULL || vpm == NULL)
1017 SSL_CONF_CTX_set_flags(cctx,
1018 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1020 prog = opt_init(argc, argv, s_server_options);
1021 while ((o = opt_next()) != OPT_EOF) {
1022 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1023 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1026 if (IS_NO_PROT_FLAG(o))
1028 if (prot_opt == 1 && no_prot_opt) {
1030 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1037 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1040 opt_help(s_server_options);
1046 if (socket_family == AF_UNIX) {
1047 OPENSSL_free(host); host = NULL;
1048 OPENSSL_free(port); port = NULL;
1051 socket_family = AF_INET;
1057 if (socket_family == AF_UNIX) {
1058 OPENSSL_free(host); host = NULL;
1059 OPENSSL_free(port); port = NULL;
1062 socket_family = AF_INET6;
1065 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1071 if (socket_family == AF_UNIX) {
1072 socket_family = AF_UNSPEC;
1075 OPENSSL_free(port); port = NULL;
1076 OPENSSL_free(host); host = NULL;
1077 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1079 "%s: -port argument malformed or ambiguous\n",
1086 if (socket_family == AF_UNIX) {
1087 socket_family = AF_UNSPEC;
1090 OPENSSL_free(port); port = NULL;
1091 OPENSSL_free(host); host = NULL;
1092 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1094 "%s: -accept argument malformed or ambiguous\n",
1101 socket_family = AF_UNIX;
1102 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1103 OPENSSL_free(port); port = NULL;
1106 unlink_unix_path = 1;
1110 naccept = atol(opt_arg());
1113 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1114 verify_args.depth = atoi(opt_arg());
1116 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1118 case OPT_UPPER_V_VERIFY:
1120 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1121 SSL_VERIFY_CLIENT_ONCE;
1122 verify_args.depth = atoi(opt_arg());
1125 "verify depth is %d, must return a certificate\n",
1129 context = (unsigned char *)opt_arg();
1132 s_cert_file = opt_arg();
1135 if (!set_nameopt(opt_arg()))
1139 crl_file = opt_arg();
1141 case OPT_CRL_DOWNLOAD:
1144 case OPT_SERVERINFO:
1145 s_serverinfo_file = opt_arg();
1148 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1152 s_key_file = opt_arg();
1155 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1159 passarg = opt_arg();
1161 case OPT_CERT_CHAIN:
1162 s_chain_file = opt_arg();
1165 #ifndef OPENSSL_NO_DH
1170 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1174 s_dcert_file = opt_arg();
1177 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1181 dpassarg = opt_arg();
1184 s_dkey_file = opt_arg();
1186 case OPT_DCERT_CHAIN:
1187 s_dchain_file = opt_arg();
1198 case OPT_CHAINCAPATH:
1199 chCApath = opt_arg();
1201 case OPT_VERIFYCAPATH:
1202 vfyCApath = opt_arg();
1211 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1215 if (ssl_args == NULL)
1216 ssl_args = sk_OPENSSL_STRING_new_null();
1217 if (ssl_args == NULL
1218 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1219 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1220 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1225 if (!opt_verify(o, vpm))
1230 if (!args_excert(o, &exc))
1233 case OPT_VERIFY_RET_ERROR:
1234 verify_args.return_error = 1;
1236 case OPT_VERIFY_QUIET:
1237 verify_args.quiet = 1;
1239 case OPT_BUILD_CHAIN:
1248 case OPT_CHAINCAFILE:
1249 chCAfile = opt_arg();
1251 case OPT_VERIFYCAFILE:
1252 vfyCAfile = opt_arg();
1258 s_nbio = s_nbio_test = 1;
1263 case OPT_NO_IGN_EOF:
1269 case OPT_TLSEXTDEBUG:
1273 #ifndef OPENSSL_NO_OCSP
1277 case OPT_STATUS_VERBOSE:
1278 #ifndef OPENSSL_NO_OCSP
1279 s_tlsextstatus = tlscstatp.verbose = 1;
1282 case OPT_STATUS_TIMEOUT:
1283 #ifndef OPENSSL_NO_OCSP
1285 tlscstatp.timeout = atoi(opt_arg());
1288 case OPT_STATUS_URL:
1289 #ifndef OPENSSL_NO_OCSP
1291 if (!OCSP_parse_url(opt_arg(),
1294 &tlscstatp.path, &tlscstatp.use_ssl)) {
1295 BIO_printf(bio_err, "Error parsing URL\n");
1300 case OPT_STATUS_FILE:
1301 #ifndef OPENSSL_NO_OCSP
1303 tlscstatp.respin = opt_arg();
1310 bio_s_msg = BIO_new_file(opt_arg(), "w");
1313 #ifndef OPENSSL_NO_SSL_TRACE
1317 case OPT_SECURITY_DEBUG:
1320 case OPT_SECURITY_DEBUG_VERBOSE:
1333 s_quiet = s_brief = verify_args.quiet = 1;
1336 #ifndef OPENSSL_NO_DH
1340 case OPT_NO_RESUME_EPHEMERAL:
1341 no_resume_ephemeral = 1;
1344 #ifndef OPENSSL_NO_PSK
1345 psk_identity_hint = opt_arg();
1349 #ifndef OPENSSL_NO_PSK
1350 for (p = psk_key = opt_arg(); *p; p++) {
1351 if (isxdigit(_UC(*p)))
1353 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1359 #ifndef OPENSSL_NO_SRP
1360 srp_verifier_file = opt_arg();
1361 if (min_version < TLS1_VERSION)
1362 min_version = TLS1_VERSION;
1365 case OPT_SRPUSERSEED:
1366 #ifndef OPENSSL_NO_SRP
1367 srpuserseed = opt_arg();
1368 if (min_version < TLS1_VERSION)
1369 min_version = TLS1_VERSION;
1384 case OPT_SSL_CONFIG:
1385 ssl_config = opt_arg();
1388 min_version = SSL3_VERSION;
1389 max_version = SSL3_VERSION;
1392 min_version = TLS1_3_VERSION;
1393 max_version = TLS1_3_VERSION;
1396 min_version = TLS1_2_VERSION;
1397 max_version = TLS1_2_VERSION;
1400 min_version = TLS1_1_VERSION;
1401 max_version = TLS1_1_VERSION;
1404 min_version = TLS1_VERSION;
1405 max_version = TLS1_VERSION;
1408 #ifndef OPENSSL_NO_DTLS
1409 meth = DTLS_server_method();
1410 socket_type = SOCK_DGRAM;
1414 #ifndef OPENSSL_NO_DTLS
1415 meth = DTLS_server_method();
1416 min_version = DTLS1_VERSION;
1417 max_version = DTLS1_VERSION;
1418 socket_type = SOCK_DGRAM;
1422 #ifndef OPENSSL_NO_DTLS
1423 meth = DTLS_server_method();
1424 min_version = DTLS1_2_VERSION;
1425 max_version = DTLS1_2_VERSION;
1426 socket_type = SOCK_DGRAM;
1430 #ifndef OPENSSL_NO_DTLS
1431 enable_timeouts = 1;
1435 #ifndef OPENSSL_NO_DTLS
1436 socket_mtu = atol(opt_arg());
1440 #ifndef OPENSSL_NO_DTLS
1445 session_id_prefix = opt_arg();
1448 engine = setup_engine(opt_arg(), 1);
1453 case OPT_SERVERNAME:
1454 tlsextcbp.servername = opt_arg();
1456 case OPT_SERVERNAME_FATAL:
1457 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1460 s_cert_file2 = opt_arg();
1463 s_key_file2 = opt_arg();
1465 case OPT_NEXTPROTONEG:
1466 # ifndef OPENSSL_NO_NEXTPROTONEG
1467 next_proto_neg_in = opt_arg();
1471 alpn_in = opt_arg();
1473 case OPT_SRTP_PROFILES:
1474 #ifndef OPENSSL_NO_SRTP
1475 srtp_profiles = opt_arg();
1478 case OPT_KEYMATEXPORT:
1479 keymatexportlabel = opt_arg();
1481 case OPT_KEYMATEXPORTLEN:
1482 keymatexportlen = atoi(opt_arg());
1487 case OPT_SPLIT_SEND_FRAG:
1488 split_send_fragment = atoi(opt_arg());
1489 if (split_send_fragment == 0) {
1491 * Not allowed - set to a deliberately bad value so we get an
1492 * error message below
1494 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1497 case OPT_MAX_PIPELINES:
1498 max_pipelines = atoi(opt_arg());
1501 read_buf_len = atoi(opt_arg());
1503 case OPT_KEYLOG_FILE:
1504 keylog_file = opt_arg();
1507 max_early_data = atoi(opt_arg());
1508 if (max_early_data < 0) {
1509 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1513 case OPT_EARLY_DATA:
1518 argc = opt_num_rest();
1521 #ifndef OPENSSL_NO_DTLS
1522 if (www && socket_type == SOCK_DGRAM) {
1523 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1527 if (dtlslisten && socket_type != SOCK_DGRAM) {
1528 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1534 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1536 "Can't use unix sockets and datagrams together\n");
1541 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1542 BIO_printf(bio_err, "Bad split send fragment size\n");
1546 if (max_pipelines > SSL_MAX_PIPELINES) {
1547 BIO_printf(bio_err, "Bad max pipelines value\n");
1551 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1552 BIO_printf(bio_err, "Error getting password\n");
1556 if (s_key_file == NULL)
1557 s_key_file = s_cert_file;
1559 if (s_key_file2 == NULL)
1560 s_key_file2 = s_cert_file2;
1562 if (!load_excert(&exc))
1566 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1567 "server certificate private key file");
1569 ERR_print_errors(bio_err);
1573 s_cert = load_cert(s_cert_file, s_cert_format,
1574 "server certificate file");
1577 ERR_print_errors(bio_err);
1581 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1582 "server certificate chain"))
1586 if (tlsextcbp.servername) {
1587 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1588 "second server certificate private key file");
1590 ERR_print_errors(bio_err);
1594 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1595 "second server certificate file");
1598 ERR_print_errors(bio_err);
1603 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1604 if (next_proto_neg_in) {
1605 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1606 if (next_proto.data == NULL)
1610 alpn_ctx.data = NULL;
1612 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1613 if (alpn_ctx.data == NULL)
1619 crl = load_crl(crl_file, crl_format);
1621 BIO_puts(bio_err, "Error loading CRL\n");
1622 ERR_print_errors(bio_err);
1625 crls = sk_X509_CRL_new_null();
1626 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1627 BIO_puts(bio_err, "Error adding CRL\n");
1628 ERR_print_errors(bio_err);
1636 if (s_dkey_file == NULL)
1637 s_dkey_file = s_dcert_file;
1639 s_dkey = load_key(s_dkey_file, s_dkey_format,
1640 0, dpass, engine, "second certificate private key file");
1642 ERR_print_errors(bio_err);
1646 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1647 "second server certificate file");
1650 ERR_print_errors(bio_err);
1653 if (s_dchain_file) {
1654 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1655 "second server certificate chain"))
1661 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1662 && !RAND_status()) {
1664 "warning, not much extra random data, consider using the -rand option\n");
1667 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1668 app_RAND_load_files(inrand));
1670 if (bio_s_out == NULL) {
1671 if (s_quiet && !s_debug) {
1672 bio_s_out = BIO_new(BIO_s_null());
1673 if (s_msg && !bio_s_msg)
1674 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1676 if (bio_s_out == NULL)
1677 bio_s_out = dup_bio_out(FORMAT_TEXT);
1680 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1686 s_dcert_file = NULL;
1688 s_cert_file2 = NULL;
1692 ctx = SSL_CTX_new(meth);
1694 ERR_print_errors(bio_err);
1698 ssl_ctx_security_debug(ctx, sdebug);
1700 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1701 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1703 ERR_print_errors(bio_err);
1707 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1709 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1712 if (session_id_prefix) {
1713 if (strlen(session_id_prefix) >= 32)
1715 "warning: id_prefix is too long, only one new session will be possible\n");
1716 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1717 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1718 ERR_print_errors(bio_err);
1721 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1723 SSL_CTX_set_quiet_shutdown(ctx, 1);
1725 ssl_ctx_set_excert(ctx, exc);
1728 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1730 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1732 init_session_cache_ctx(ctx);
1734 SSL_CTX_sess_set_cache_size(ctx, 128);
1737 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1739 if (split_send_fragment > 0) {
1740 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1742 if (max_pipelines > 0) {
1743 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1746 if (read_buf_len > 0) {
1747 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1749 #ifndef OPENSSL_NO_SRTP
1750 if (srtp_profiles != NULL) {
1751 /* Returns 0 on success! */
1752 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1753 BIO_printf(bio_err, "Error setting SRTP profile\n");
1754 ERR_print_errors(bio_err);
1760 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1761 ERR_print_errors(bio_err);
1764 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1765 BIO_printf(bio_err, "Error setting verify params\n");
1766 ERR_print_errors(bio_err);
1770 ssl_ctx_add_crls(ctx, crls, 0);
1771 if (!config_ctx(cctx, ssl_args, ctx))
1774 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1775 crls, crl_download)) {
1776 BIO_printf(bio_err, "Error loading store locations\n");
1777 ERR_print_errors(bio_err);
1782 ctx2 = SSL_CTX_new(meth);
1784 ERR_print_errors(bio_err);
1790 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1793 ssl_ctx_security_debug(ctx, sdebug);
1795 if (session_id_prefix) {
1796 if (strlen(session_id_prefix) >= 32)
1798 "warning: id_prefix is too long, only one new session will be possible\n");
1799 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1800 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1801 ERR_print_errors(bio_err);
1804 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1806 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1808 ssl_ctx_set_excert(ctx2, exc);
1811 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1814 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1816 init_session_cache_ctx(ctx2);
1818 SSL_CTX_sess_set_cache_size(ctx2, 128);
1821 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1823 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1825 ERR_print_errors(bio_err);
1828 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1829 BIO_printf(bio_err, "Error setting verify params\n");
1830 ERR_print_errors(bio_err);
1834 ssl_ctx_add_crls(ctx2, crls, 0);
1835 if (!config_ctx(cctx, ssl_args, ctx2))
1838 #ifndef OPENSSL_NO_NEXTPROTONEG
1839 if (next_proto.data)
1840 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1844 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1846 #ifndef OPENSSL_NO_DH
1851 dh = load_dh_param(dhfile);
1852 else if (s_cert_file)
1853 dh = load_dh_param(s_cert_file);
1856 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1858 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1860 (void)BIO_flush(bio_s_out);
1863 SSL_CTX_set_dh_auto(ctx, 1);
1864 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1865 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1866 ERR_print_errors(bio_err);
1873 DH *dh2 = load_dh_param(s_cert_file2);
1875 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1876 (void)BIO_flush(bio_s_out);
1883 SSL_CTX_set_dh_auto(ctx2, 1);
1884 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1885 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1886 ERR_print_errors(bio_err);
1895 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1898 if (s_serverinfo_file != NULL
1899 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1900 ERR_print_errors(bio_err);
1904 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1907 if (s_dcert != NULL) {
1908 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1912 if (no_resume_ephemeral) {
1913 SSL_CTX_set_not_resumable_session_callback(ctx,
1914 not_resumable_sess_cb);
1917 SSL_CTX_set_not_resumable_session_callback(ctx2,
1918 not_resumable_sess_cb);
1920 #ifndef OPENSSL_NO_PSK
1921 if (psk_key != NULL) {
1923 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1924 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1927 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1928 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1929 ERR_print_errors(bio_err);
1934 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1935 if (!SSL_CTX_set_session_id_context(ctx,
1936 (void *)&s_server_session_id_context,
1937 sizeof s_server_session_id_context)) {
1938 BIO_printf(bio_err, "error setting session id context\n");
1939 ERR_print_errors(bio_err);
1943 /* Set DTLS cookie generation and verification callbacks */
1944 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1945 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1948 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1949 if (!SSL_CTX_set_session_id_context(ctx2,
1950 (void *)&s_server_session_id_context,
1951 sizeof s_server_session_id_context)) {
1952 BIO_printf(bio_err, "error setting session id context\n");
1953 ERR_print_errors(bio_err);
1956 tlsextcbp.biodebug = bio_s_out;
1957 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1958 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1959 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1960 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1963 #ifndef OPENSSL_NO_SRP
1964 if (srp_verifier_file != NULL) {
1965 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1966 srp_callback_parm.user = NULL;
1967 srp_callback_parm.login = NULL;
1969 SRP_VBASE_init(srp_callback_parm.vb,
1970 srp_verifier_file)) != SRP_NO_ERROR) {
1972 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1973 srp_verifier_file, ret);
1976 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
1977 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1978 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1981 if (CAfile != NULL) {
1982 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1985 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1987 #ifndef OPENSSL_NO_OCSP
1988 if (s_tlsextstatus) {
1989 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1990 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1992 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
1993 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
1997 if (set_keylog_file(ctx, keylog_file))
2000 if (max_early_data >= 0)
2001 SSL_CTX_set_max_early_data(ctx, max_early_data);
2003 BIO_printf(bio_s_out, "ACCEPT\n");
2004 (void)BIO_flush(bio_s_out);
2006 server_cb = rev_body;
2008 server_cb = www_body;
2010 server_cb = sv_body;
2012 if (socket_family == AF_UNIX
2013 && unlink_unix_path)
2016 do_server(&accept_socket, host, port, socket_family, socket_type,
2017 server_cb, context, naccept);
2018 print_stats(bio_s_out, ctx);
2022 set_keylog_file(NULL, NULL);
2024 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2026 EVP_PKEY_free(s_key);
2027 EVP_PKEY_free(s_dkey);
2028 sk_X509_pop_free(s_chain, X509_free);
2029 sk_X509_pop_free(s_dchain, X509_free);
2031 OPENSSL_free(dpass);
2034 X509_VERIFY_PARAM_free(vpm);
2036 OPENSSL_free(tlscstatp.host);
2037 OPENSSL_free(tlscstatp.port);
2038 OPENSSL_free(tlscstatp.path);
2041 EVP_PKEY_free(s_key2);
2042 #ifndef OPENSSL_NO_NEXTPROTONEG
2043 OPENSSL_free(next_proto.data);
2045 OPENSSL_free(alpn_ctx.data);
2046 ssl_excert_free(exc);
2047 sk_OPENSSL_STRING_free(ssl_args);
2048 SSL_CONF_CTX_free(cctx);
2049 release_engine(engine);
2050 BIO_free(bio_s_out);
2052 BIO_free(bio_s_msg);
2054 #ifdef CHARSET_EBCDIC
2055 BIO_meth_free(methods_ebcdic);
2060 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2062 BIO_printf(bio, "%4ld items in the session cache\n",
2063 SSL_CTX_sess_number(ssl_ctx));
2064 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2065 SSL_CTX_sess_connect(ssl_ctx));
2066 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2067 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2068 BIO_printf(bio, "%4ld client connects that finished\n",
2069 SSL_CTX_sess_connect_good(ssl_ctx));
2070 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2071 SSL_CTX_sess_accept(ssl_ctx));
2072 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2073 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2074 BIO_printf(bio, "%4ld server accepts that finished\n",
2075 SSL_CTX_sess_accept_good(ssl_ctx));
2076 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2077 BIO_printf(bio, "%4ld session cache misses\n",
2078 SSL_CTX_sess_misses(ssl_ctx));
2079 BIO_printf(bio, "%4ld session cache timeouts\n",
2080 SSL_CTX_sess_timeouts(ssl_ctx));
2081 BIO_printf(bio, "%4ld callback cache hits\n",
2082 SSL_CTX_sess_cb_hits(ssl_ctx));
2083 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2084 SSL_CTX_sess_cache_full(ssl_ctx),
2085 SSL_CTX_sess_get_cache_size(ssl_ctx));
2088 static int sv_body(int s, int stype, unsigned char *context)
2097 struct timeval timeout;
2098 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2101 struct timeval *timeoutp;
2104 buf = app_malloc(bufsize, "server buffer");
2106 if (!BIO_socket_nbio(s, 1))
2107 ERR_print_errors(bio_err);
2109 BIO_printf(bio_err, "Turned on non blocking io\n");
2115 if (s_tlsextdebug) {
2116 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2117 SSL_set_tlsext_debug_arg(con, bio_s_out);
2121 && !SSL_set_session_id_context(con,
2122 context, strlen((char *)context))) {
2123 BIO_printf(bio_err, "Error setting session id context\n");
2128 if (!SSL_clear(con)) {
2129 BIO_printf(bio_err, "Error clearing SSL connection\n");
2133 #ifndef OPENSSL_NO_DTLS
2134 if (stype == SOCK_DGRAM) {
2136 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2138 if (enable_timeouts) {
2140 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2141 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2144 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2145 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2149 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2150 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2151 DTLS_get_link_min_mtu(con));
2156 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2157 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2158 BIO_printf(bio_err, "Failed to set MTU\n");
2164 /* want to do MTU discovery */
2165 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2167 /* turn on cookie exchange */
2168 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2171 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2176 test = BIO_new(BIO_f_nbio_test());
2177 sbio = BIO_push(test, sbio);
2180 SSL_set_bio(con, sbio, sbio);
2181 SSL_set_accept_state(con);
2182 /* SSL_set_fd(con,s); */
2185 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2186 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2189 #ifndef OPENSSL_NO_SSL_TRACE
2191 SSL_set_msg_callback(con, SSL_trace);
2194 SSL_set_msg_callback(con, msg_cb);
2195 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2198 if (s_tlsextdebug) {
2199 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2200 SSL_set_tlsext_debug_arg(con, bio_s_out);
2204 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2207 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2209 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2210 if (edret != SSL_READ_EARLY_DATA_ERROR)
2213 switch (SSL_get_error(con, 0)) {
2214 case SSL_ERROR_WANT_WRITE:
2215 case SSL_ERROR_WANT_ASYNC:
2216 case SSL_ERROR_WANT_READ:
2217 /* Just keep trying - busy waiting */
2220 BIO_printf(bio_err, "Error reading early data\n");
2221 ERR_print_errors(bio_err);
2225 if (readbytes > 0) {
2227 BIO_printf(bio_s_out, "Early data received:\n");
2230 raw_write_stdout(buf, (unsigned int)readbytes);
2231 (void)BIO_flush(bio_s_out);
2235 BIO_printf(bio_s_out, "No early data received\n");
2237 BIO_printf(bio_s_out, "\nEnd of early data\n");
2238 if (SSL_is_init_finished(con))
2239 print_connection_info(con);
2242 if (fileno_stdin() > s)
2243 width = fileno_stdin() + 1;
2247 int read_from_terminal;
2248 int read_from_sslcon;
2250 read_from_terminal = 0;
2251 read_from_sslcon = SSL_has_pending(con)
2252 || (async && SSL_waiting_for_async(con));
2254 if (!read_from_sslcon) {
2256 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2257 openssl_fdset(fileno_stdin(), &readfds);
2259 openssl_fdset(s, &readfds);
2261 * Note: under VMS with SOCKETSHR the second parameter is
2262 * currently of type (int *) whereas under other systems it is
2263 * (void *) if you don't have a cast it will choke the compiler:
2264 * if you do have a cast then you can either go for (int *) or
2267 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2269 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2270 * only on sockets. As a workaround we timeout the select every
2271 * second and check for any keypress. In a proper Windows
2272 * application we wouldn't do this because it is inefficient.
2276 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2277 if (has_stdin_waiting())
2278 read_from_terminal = 1;
2279 if ((i < 0) || (!i && !read_from_terminal))
2282 if ((SSL_version(con) == DTLS1_VERSION) &&
2283 DTLSv1_get_timeout(con, &timeout))
2284 timeoutp = &timeout;
2288 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2290 if ((SSL_version(con) == DTLS1_VERSION)
2291 && DTLSv1_handle_timeout(con) > 0) {
2292 BIO_printf(bio_err, "TIMEOUT occurred\n");
2297 if (FD_ISSET(fileno_stdin(), &readfds))
2298 read_from_terminal = 1;
2300 if (FD_ISSET(s, &readfds))
2301 read_from_sslcon = 1;
2303 if (read_from_terminal) {
2307 i = raw_read_stdin(buf, bufsize / 2);
2309 /* both loops are skipped when i <= 0 */
2310 for (j = 0; j < i; j++)
2313 for (j = i - 1; j >= 0; j--) {
2314 buf[j + lf_num] = buf[j];
2315 if (buf[j] == '\n') {
2318 buf[j + lf_num] = '\r';
2321 assert(lf_num == 0);
2323 i = raw_read_stdin(buf, bufsize);
2325 if (!s_quiet && !s_brief) {
2326 if ((i <= 0) || (buf[0] == 'Q')) {
2327 BIO_printf(bio_s_out, "DONE\n");
2328 (void)BIO_flush(bio_s_out);
2330 close_accept_socket();
2334 if ((i <= 0) || (buf[0] == 'q')) {
2335 BIO_printf(bio_s_out, "DONE\n");
2336 (void)BIO_flush(bio_s_out);
2337 if (SSL_version(con) != DTLS1_VERSION)
2340 * close_accept_socket(); ret= -11;
2344 #ifndef OPENSSL_NO_HEARTBEATS
2345 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2346 BIO_printf(bio_err, "HEARTBEATING\n");
2352 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2353 SSL_renegotiate(con);
2354 i = SSL_do_handshake(con);
2355 printf("SSL_do_handshake -> %d\n", i);
2359 * strcpy(buf,"server side RE-NEGOTIATE\n");
2362 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2364 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2366 SSL_renegotiate(con);
2367 i = SSL_do_handshake(con);
2368 printf("SSL_do_handshake -> %d\n", i);
2372 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2376 if ((buf[0] == 'K' || buf[0] == 'k')
2377 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2378 SSL_key_update(con, buf[0] == 'K' ?
2379 SSL_KEY_UPDATE_REQUESTED
2380 : SSL_KEY_UPDATE_NOT_REQUESTED);
2381 i = SSL_do_handshake(con);
2382 printf("SSL_do_handshake -> %d\n", i);
2386 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2390 if (buf[0] == 'P') {
2391 static const char *str = "Lets print some clear text\n";
2392 BIO_write(SSL_get_wbio(con), str, strlen(str));
2394 if (buf[0] == 'S') {
2395 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2398 #ifdef CHARSET_EBCDIC
2399 ebcdic2ascii(buf, buf, i);
2403 /* should do a select for the write */
2406 if (++count == 100) {
2408 SSL_renegotiate(con);
2411 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2412 #ifndef OPENSSL_NO_SRP
2413 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2414 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2415 SRP_user_pwd_free(srp_callback_parm.user);
2416 srp_callback_parm.user =
2417 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2418 srp_callback_parm.login);
2419 if (srp_callback_parm.user)
2420 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2421 srp_callback_parm.user->info);
2423 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2424 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2427 switch (SSL_get_error(con, k)) {
2428 case SSL_ERROR_NONE:
2430 case SSL_ERROR_WANT_ASYNC:
2431 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2432 (void)BIO_flush(bio_s_out);
2433 wait_for_async(con);
2435 case SSL_ERROR_WANT_WRITE:
2436 case SSL_ERROR_WANT_READ:
2437 case SSL_ERROR_WANT_X509_LOOKUP:
2438 BIO_printf(bio_s_out, "Write BLOCK\n");
2439 (void)BIO_flush(bio_s_out);
2441 case SSL_ERROR_WANT_ASYNC_JOB:
2443 * This shouldn't ever happen in s_server. Treat as an error
2445 case SSL_ERROR_SYSCALL:
2447 BIO_printf(bio_s_out, "ERROR\n");
2448 (void)BIO_flush(bio_s_out);
2449 ERR_print_errors(bio_err);
2453 case SSL_ERROR_ZERO_RETURN:
2454 BIO_printf(bio_s_out, "DONE\n");
2455 (void)BIO_flush(bio_s_out);
2467 if (read_from_sslcon) {
2469 * init_ssl_connection handles all async events itself so if we're
2470 * waiting for async then we shouldn't go back into
2471 * init_ssl_connection
2473 if ((!async || !SSL_waiting_for_async(con))
2474 && !SSL_is_init_finished(con)) {
2475 i = init_ssl_connection(con);
2480 } else if (i == 0) {
2486 i = SSL_read(con, (char *)buf, bufsize);
2487 #ifndef OPENSSL_NO_SRP
2488 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2489 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2490 SRP_user_pwd_free(srp_callback_parm.user);
2491 srp_callback_parm.user =
2492 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2493 srp_callback_parm.login);
2494 if (srp_callback_parm.user)
2495 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2496 srp_callback_parm.user->info);
2498 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2499 i = SSL_read(con, (char *)buf, bufsize);
2502 switch (SSL_get_error(con, i)) {
2503 case SSL_ERROR_NONE:
2504 #ifdef CHARSET_EBCDIC
2505 ascii2ebcdic(buf, buf, i);
2507 raw_write_stdout(buf, (unsigned int)i);
2508 (void)BIO_flush(bio_s_out);
2509 if (SSL_has_pending(con))
2512 case SSL_ERROR_WANT_ASYNC:
2513 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2514 (void)BIO_flush(bio_s_out);
2515 wait_for_async(con);
2517 case SSL_ERROR_WANT_WRITE:
2518 case SSL_ERROR_WANT_READ:
2519 BIO_printf(bio_s_out, "Read BLOCK\n");
2520 (void)BIO_flush(bio_s_out);
2522 case SSL_ERROR_WANT_ASYNC_JOB:
2524 * This shouldn't ever happen in s_server. Treat as an error
2526 case SSL_ERROR_SYSCALL:
2528 BIO_printf(bio_s_out, "ERROR\n");
2529 (void)BIO_flush(bio_s_out);
2530 ERR_print_errors(bio_err);
2533 case SSL_ERROR_ZERO_RETURN:
2534 BIO_printf(bio_s_out, "DONE\n");
2535 (void)BIO_flush(bio_s_out);
2544 BIO_printf(bio_s_out, "shutting down SSL\n");
2545 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2548 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2549 OPENSSL_clear_free(buf, bufsize);
2551 BIO_printf(bio_s_out, "ACCEPT\n");
2552 (void)BIO_flush(bio_s_out);
2556 static void close_accept_socket(void)
2558 BIO_printf(bio_err, "shutdown accept socket\n");
2559 if (accept_socket >= 0) {
2560 BIO_closesocket(accept_socket);
2564 static int init_ssl_connection(SSL *con)
2570 #ifndef OPENSSL_NO_DTLS
2572 BIO_ADDR *client = NULL;
2574 if ((client = BIO_ADDR_new()) == NULL) {
2575 BIO_printf(bio_err, "ERROR - memory\n");
2578 i = DTLSv1_listen(con, client);
2583 wbio = SSL_get_wbio(con);
2585 BIO_get_fd(wbio, &fd);
2588 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2589 BIO_printf(bio_err, "ERROR - unable to connect\n");
2590 BIO_ADDR_free(client);
2593 BIO_ADDR_free(client);
2595 i = SSL_accept(con);
2597 BIO_ADDR_free(client);
2603 i = SSL_accept(con);
2606 retry = BIO_sock_should_retry(i);
2607 #ifdef CERT_CB_TEST_RETRY
2610 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2611 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2613 "LOOKUP from certificate callback during accept\n");
2614 i = SSL_accept(con);
2616 retry = BIO_sock_should_retry(i);
2621 #ifndef OPENSSL_NO_SRP
2623 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2624 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2625 srp_callback_parm.login);
2626 SRP_user_pwd_free(srp_callback_parm.user);
2627 srp_callback_parm.user =
2628 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2629 srp_callback_parm.login);
2630 if (srp_callback_parm.user)
2631 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2632 srp_callback_parm.user->info);
2634 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2635 i = SSL_accept(con);
2637 retry = BIO_sock_should_retry(i);
2640 } while (i < 0 && SSL_waiting_for_async(con));
2643 if ((dtlslisten && i == 0)
2644 || (!dtlslisten && retry)) {
2645 BIO_printf(bio_s_out, "DELAY\n");
2649 BIO_printf(bio_err, "ERROR\n");
2651 verify_err = SSL_get_verify_result(con);
2652 if (verify_err != X509_V_OK) {
2653 BIO_printf(bio_err, "verify error:%s\n",
2654 X509_verify_cert_error_string(verify_err));
2656 /* Always print any error messages */
2657 ERR_print_errors(bio_err);
2661 print_connection_info(con);
2665 static void print_connection_info(SSL *con)
2670 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2671 const unsigned char *next_proto_neg;
2672 unsigned next_proto_neg_len;
2674 unsigned char *exportedkeymat;
2678 print_ssl_summary(con);
2680 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2682 peer = SSL_get_peer_certificate(con);
2684 BIO_printf(bio_s_out, "Client certificate\n");
2685 PEM_write_bio_X509(bio_s_out, peer);
2686 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2687 BIO_printf(bio_s_out, "subject=%s\n", buf);
2688 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2689 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2694 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2695 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2696 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2697 ssl_print_sigalgs(bio_s_out, con);
2698 #ifndef OPENSSL_NO_EC
2699 ssl_print_point_formats(bio_s_out, con);
2700 ssl_print_groups(bio_s_out, con, 0);
2702 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2704 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2705 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2706 if (next_proto_neg) {
2707 BIO_printf(bio_s_out, "NEXTPROTO is ");
2708 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2709 BIO_printf(bio_s_out, "\n");
2712 #ifndef OPENSSL_NO_SRTP
2714 SRTP_PROTECTION_PROFILE *srtp_profile
2715 = SSL_get_selected_srtp_profile(con);
2718 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2719 srtp_profile->name);
2722 if (SSL_session_reused(con))
2723 BIO_printf(bio_s_out, "Reused session-id\n");
2724 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2725 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2726 if (keymatexportlabel != NULL) {
2727 BIO_printf(bio_s_out, "Keying material exporter:\n");
2728 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2729 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2730 exportedkeymat = app_malloc(keymatexportlen, "export key");
2731 if (!SSL_export_keying_material(con, exportedkeymat,
2734 strlen(keymatexportlabel),
2736 BIO_printf(bio_s_out, " Error\n");
2738 BIO_printf(bio_s_out, " Keying material: ");
2739 for (i = 0; i < keymatexportlen; i++)
2740 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2741 BIO_printf(bio_s_out, "\n");
2743 OPENSSL_free(exportedkeymat);
2746 (void)BIO_flush(bio_s_out);
2749 #ifndef OPENSSL_NO_DH
2750 static DH *load_dh_param(const char *dhfile)
2755 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2757 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2764 static int www_body(int s, int stype, unsigned char *context)
2770 const SSL_CIPHER *c;
2771 BIO *io, *ssl_bio, *sbio;
2773 int total_bytes = 0;
2778 /* Set width for a select call if needed */
2781 buf = app_malloc(bufsize, "server www buffer");
2782 io = BIO_new(BIO_f_buffer());
2783 ssl_bio = BIO_new(BIO_f_ssl());
2784 if ((io == NULL) || (ssl_bio == NULL))
2788 if (!BIO_socket_nbio(s, 1))
2789 ERR_print_errors(bio_err);
2791 BIO_printf(bio_err, "Turned on non blocking io\n");
2794 /* lets make the output buffer a reasonable size */
2795 if (!BIO_set_write_buffer_size(io, bufsize))
2798 if ((con = SSL_new(ctx)) == NULL)
2801 if (s_tlsextdebug) {
2802 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2803 SSL_set_tlsext_debug_arg(con, bio_s_out);
2807 && !SSL_set_session_id_context(con, context,
2808 strlen((char *)context)))
2811 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2815 test = BIO_new(BIO_f_nbio_test());
2816 sbio = BIO_push(test, sbio);
2818 SSL_set_bio(con, sbio, sbio);
2819 SSL_set_accept_state(con);
2821 /* SSL_set_fd(con,s); */
2822 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2823 BIO_push(io, ssl_bio);
2824 #ifdef CHARSET_EBCDIC
2825 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2829 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2830 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2833 #ifndef OPENSSL_NO_SSL_TRACE
2835 SSL_set_msg_callback(con, SSL_trace);
2838 SSL_set_msg_callback(con, msg_cb);
2839 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2843 i = BIO_gets(io, buf, bufsize - 1);
2844 if (i < 0) { /* error */
2845 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2847 ERR_print_errors(bio_err);
2850 BIO_printf(bio_s_out, "read R BLOCK\n");
2851 #ifndef OPENSSL_NO_SRP
2852 if (BIO_should_io_special(io)
2853 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2854 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2855 SRP_user_pwd_free(srp_callback_parm.user);
2856 srp_callback_parm.user =
2857 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2858 srp_callback_parm.login);
2859 if (srp_callback_parm.user)
2860 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2861 srp_callback_parm.user->info);
2863 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2867 #if !defined(OPENSSL_SYS_MSDOS)
2872 } else if (i == 0) { /* end of input */
2877 /* else we have data */
2878 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2879 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2882 STACK_OF(SSL_CIPHER) *sk;
2883 static const char *space = " ";
2885 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2886 if (strncmp("GET /renegcert", buf, 14) == 0)
2888 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2890 i = SSL_renegotiate(con);
2891 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2892 /* Send the HelloRequest */
2893 i = SSL_do_handshake(con);
2895 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2896 SSL_get_error(con, i));
2897 ERR_print_errors(bio_err);
2900 /* Wait for a ClientHello to come back */
2902 openssl_fdset(s, &readfds);
2903 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2904 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2905 BIO_printf(bio_s_out,
2906 "Error waiting for client response\n");
2907 ERR_print_errors(bio_err);
2911 * We're not actually expecting any data here and we ignore
2912 * any that is sent. This is just to force the handshake that
2913 * we're expecting to come from the client. If they haven't
2914 * sent one there's not much we can do.
2916 BIO_gets(io, buf, bufsize - 1);
2920 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2921 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2922 BIO_puts(io, "<pre>\n");
2923 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
2925 for (i = 0; i < local_argc; i++) {
2927 for (myp = local_argv[i]; *myp; myp++)
2930 BIO_puts(io, "<");
2933 BIO_puts(io, ">");
2936 BIO_puts(io, "&");
2939 BIO_write(io, myp, 1);
2942 BIO_write(io, " ", 1);
2947 "Secure Renegotiation IS%s supported\n",
2948 SSL_get_secure_renegotiation_support(con) ?
2952 * The following is evil and should not really be done
2954 BIO_printf(io, "Ciphers supported in s_server binary\n");
2955 sk = SSL_get_ciphers(con);
2956 j = sk_SSL_CIPHER_num(sk);
2957 for (i = 0; i < j; i++) {
2958 c = sk_SSL_CIPHER_value(sk, i);
2959 BIO_printf(io, "%-11s:%-25s ",
2960 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2961 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2965 p = SSL_get_shared_ciphers(con, buf, bufsize);
2968 "---\nCiphers common between both SSL end points:\n");
2972 BIO_write(io, space, 26 - j);
2975 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2977 BIO_write(io, p, 1);
2984 ssl_print_sigalgs(io, con);
2985 #ifndef OPENSSL_NO_EC
2986 ssl_print_groups(io, con, 0);
2988 BIO_printf(io, (SSL_session_reused(con)
2989 ? "---\nReused, " : "---\nNew, "));
2990 c = SSL_get_current_cipher(con);
2991 BIO_printf(io, "%s, Cipher is %s\n",
2992 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2993 SSL_SESSION_print(io, SSL_get_session(con));
2994 BIO_printf(io, "---\n");
2995 print_stats(io, SSL_get_SSL_CTX(con));
2996 BIO_printf(io, "---\n");
2997 peer = SSL_get_peer_certificate(con);
2999 BIO_printf(io, "Client certificate\n");
3000 X509_print(io, peer);
3001 PEM_write_bio_X509(io, peer);
3005 BIO_puts(io, "no client certificate available\n");
3006 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
3008 } else if ((www == 2 || www == 3)
3009 && (strncmp("GET /", buf, 5) == 0)) {
3012 static const char *text =
3013 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3019 for (e = p; *e != '\0'; e++) {
3025 dot = (e[0] == '.') ? 2 : 0;
3028 dot = (e[0] == '.') ? 3 : 0;
3031 dot = (e[0] == '/') ? -1 : 0;
3035 dot = (e[0] == '/') ? 1 : 0;
3037 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3042 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3049 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3055 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3059 /* if a directory, do the index thang */
3060 if (app_isdir(p) > 0) {
3062 BIO_printf(io, "'%s' is a directory\r\n", p);
3066 if ((file = BIO_new_file(p, "r")) == NULL) {
3068 BIO_printf(io, "Error opening '%s'\r\n", p);
3069 ERR_print_errors(io);
3074 BIO_printf(bio_err, "FILE:%s\n", p);
3078 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3079 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3080 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3082 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3085 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3089 i = BIO_read(file, buf, bufsize);
3095 BIO_printf(bio_err, "%d\n", i);
3096 if (total_bytes > 3 * 1024) {
3098 BIO_printf(bio_err, "RENEGOTIATE\n");
3099 SSL_renegotiate(con);
3103 for (j = 0; j < i;) {
3106 if (++count == 13) {
3107 SSL_renegotiate(con);
3110 k = BIO_write(io, &(buf[j]), i - j);
3112 if (!BIO_should_retry(io)
3113 && !SSL_waiting_for_async(con))
3116 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3130 i = (int)BIO_flush(io);
3132 if (!BIO_should_retry(io))
3138 /* make sure we re-use sessions */
3139 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3143 BIO_printf(bio_s_out, "ACCEPT\n");
3149 static int rev_body(int s, int stype, unsigned char *context)
3155 BIO *io, *ssl_bio, *sbio;
3157 buf = app_malloc(bufsize, "server rev buffer");
3158 io = BIO_new(BIO_f_buffer());
3159 ssl_bio = BIO_new(BIO_f_ssl());
3160 if ((io == NULL) || (ssl_bio == NULL))
3163 /* lets make the output buffer a reasonable size */
3164 if (!BIO_set_write_buffer_size(io, bufsize))
3167 if ((con = SSL_new(ctx)) == NULL)
3170 if (s_tlsextdebug) {
3171 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3172 SSL_set_tlsext_debug_arg(con, bio_s_out);
3175 && !SSL_set_session_id_context(con, context,
3176 strlen((char *)context))) {
3177 ERR_print_errors(bio_err);
3181 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3182 SSL_set_bio(con, sbio, sbio);
3183 SSL_set_accept_state(con);
3185 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3186 BIO_push(io, ssl_bio);
3187 #ifdef CHARSET_EBCDIC
3188 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3192 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3193 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3196 #ifndef OPENSSL_NO_SSL_TRACE
3198 SSL_set_msg_callback(con, SSL_trace);
3201 SSL_set_msg_callback(con, msg_cb);
3202 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3206 i = BIO_do_handshake(io);
3209 if (!BIO_should_retry(io)) {
3210 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3211 ERR_print_errors(bio_err);
3214 #ifndef OPENSSL_NO_SRP
3215 if (BIO_should_io_special(io)
3216 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3217 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3218 SRP_user_pwd_free(srp_callback_parm.user);
3219 srp_callback_parm.user =
3220 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3221 srp_callback_parm.login);
3222 if (srp_callback_parm.user)
3223 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3224 srp_callback_parm.user->info);
3226 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3231 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3232 print_ssl_summary(con);
3235 i = BIO_gets(io, buf, bufsize - 1);
3236 if (i < 0) { /* error */
3237 if (!BIO_should_retry(io)) {
3239 ERR_print_errors(bio_err);
3242 BIO_printf(bio_s_out, "read R BLOCK\n");
3243 #ifndef OPENSSL_NO_SRP
3244 if (BIO_should_io_special(io)
3245 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3246 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3247 SRP_user_pwd_free(srp_callback_parm.user);
3248 srp_callback_parm.user =
3249 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3250 srp_callback_parm.login);
3251 if (srp_callback_parm.user)
3252 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3253 srp_callback_parm.user->info);
3255 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3259 #if !defined(OPENSSL_SYS_MSDOS)
3264 } else if (i == 0) { /* end of input */
3266 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3269 char *p = buf + i - 1;
3270 while (i && (*p == '\n' || *p == '\r')) {
3274 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3276 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3279 BUF_reverse((unsigned char *)buf, NULL, i);
3281 BIO_write(io, buf, i + 1);
3286 if (!BIO_should_retry(io))
3292 /* make sure we re-use sessions */
3293 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3302 #define MAX_SESSION_ID_ATTEMPTS 10
3303 static int generate_session_id(const SSL *ssl, unsigned char *id,
3304 unsigned int *id_len)
3306 unsigned int count = 0;
3308 if (RAND_bytes(id, *id_len) <= 0)
3311 * Prefix the session_id with the required prefix. NB: If our prefix
3312 * is too long, clip it - but there will be worse effects anyway, eg.
3313 * the server could only possibly create 1 session ID (ie. the
3314 * prefix!) so all future session negotiations will fail due to
3317 memcpy(id, session_id_prefix,
3318 (strlen(session_id_prefix) < *id_len) ?
3319 strlen(session_id_prefix) : *id_len);
3321 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3322 (++count < MAX_SESSION_ID_ATTEMPTS));
3323 if (count >= MAX_SESSION_ID_ATTEMPTS)
3329 * By default s_server uses an in-memory cache which caches SSL_SESSION
3330 * structures without any serialisation. This hides some bugs which only
3331 * become apparent in deployed servers. By implementing a basic external
3332 * session cache some issues can be debugged using s_server.
3335 typedef struct simple_ssl_session_st {
3340 struct simple_ssl_session_st *next;
3341 } simple_ssl_session;
3343 static simple_ssl_session *first = NULL;
3345 static int add_session(SSL *ssl, SSL_SESSION *session)
3347 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3350 SSL_SESSION_get_id(session, &sess->idlen);
3351 sess->derlen = i2d_SSL_SESSION(session, NULL);
3352 if (sess->derlen < 0) {
3353 BIO_printf(bio_err, "Error encoding session\n");
3358 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3359 sess->der = app_malloc(sess->derlen, "get session buffer");
3361 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3362 OPENSSL_free(sess->id);
3363 OPENSSL_free(sess->der);
3369 /* Assume it still works. */
3370 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3371 BIO_printf(bio_err, "Unexpected session encoding length\n");
3372 OPENSSL_free(sess->id);
3373 OPENSSL_free(sess->der);
3380 BIO_printf(bio_err, "New session added to external cache\n");
3384 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3387 simple_ssl_session *sess;
3389 for (sess = first; sess; sess = sess->next) {
3390 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3391 const unsigned char *p = sess->der;
3392 BIO_printf(bio_err, "Lookup session: cache hit\n");
3393 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3396 BIO_printf(bio_err, "Lookup session: cache miss\n");
3400 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3402 simple_ssl_session *sess, *prev = NULL;
3403 const unsigned char *id;
3405 id = SSL_SESSION_get_id(session, &idlen);
3406 for (sess = first; sess; sess = sess->next) {
3407 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3409 prev->next = sess->next;
3412 OPENSSL_free(sess->id);
3413 OPENSSL_free(sess->der);
3421 static void init_session_cache_ctx(SSL_CTX *sctx)
3423 SSL_CTX_set_session_cache_mode(sctx,
3424 SSL_SESS_CACHE_NO_INTERNAL |
3425 SSL_SESS_CACHE_SERVER);
3426 SSL_CTX_sess_set_new_cb(sctx, add_session);
3427 SSL_CTX_sess_set_get_cb(sctx, get_session);
3428 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3431 static void free_sessions(void)
3433 simple_ssl_session *sess, *tsess;
3434 for (sess = first; sess;) {
3435 OPENSSL_free(sess->id);
3436 OPENSSL_free(sess->der);
3439 OPENSSL_free(tsess);
3444 #endif /* OPENSSL_NO_SOCK */