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);
108 /* static int load_CA(SSL_CTX *ctx, char *file);*/
110 static const int bufsize = 16 * 1024;
111 static int accept_socket = -1;
113 #define TEST_CERT "server.pem"
114 #define TEST_CERT2 "server2.pem"
116 static int s_nbio = 0;
117 static int s_nbio_test = 0;
118 static int s_crlf = 0;
119 static SSL_CTX *ctx = NULL;
120 static SSL_CTX *ctx2 = NULL;
123 static BIO *bio_s_out = NULL;
124 static BIO *bio_s_msg = NULL;
125 static int s_debug = 0;
126 static int s_tlsextdebug = 0;
127 static int s_msg = 0;
128 static int s_quiet = 0;
129 static int s_ign_eof = 0;
130 static int s_brief = 0;
132 static char *keymatexportlabel = NULL;
133 static int keymatexportlen = 20;
135 static int async = 0;
137 static const char *session_id_prefix = NULL;
139 #ifndef OPENSSL_NO_DTLS
140 static int enable_timeouts = 0;
141 static long socket_mtu;
144 static int dtlslisten = 0;
146 #ifndef OPENSSL_NO_PSK
147 static 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 */
453 typedef struct tlsextstatusctx_st {
454 /* Default responder to use */
455 char *host, *path, *port;
461 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 };
463 #ifndef OPENSSL_NO_OCSP
465 * Certificate Status callback. This is called when a client includes a
466 * certificate status request extension. This is a simplified version. It
467 * examines certificates each time and makes one OCSP responder query for
468 * each request. A full version would store details such as the OCSP
469 * certificate IDs and minimise the number of OCSP responses by caching them
470 * until they were considered "expired".
473 static int cert_status_cb(SSL *s, void *arg)
475 tlsextstatusctx *srctx = arg;
476 char *host = NULL, *port = NULL, *path = NULL;
478 unsigned char *rspder = NULL;
480 STACK_OF(OPENSSL_STRING) *aia = NULL;
482 X509_STORE_CTX *inctx = NULL;
484 OCSP_REQUEST *req = NULL;
485 OCSP_RESPONSE *resp = NULL;
486 OCSP_CERTID *id = NULL;
487 STACK_OF(X509_EXTENSION) *exts;
488 int ret = SSL_TLSEXT_ERR_NOACK;
492 BIO_puts(bio_err, "cert_status: callback called\n");
493 /* Build up OCSP query from server certificate */
494 x = SSL_get_certificate(s);
495 aia = X509_get1_ocsp(x);
497 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
498 &host, &port, &path, &use_ssl)) {
499 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
503 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
504 sk_OPENSSL_STRING_value(aia, 0));
508 "cert_status: no AIA and no default responder URL\n");
514 use_ssl = srctx->use_ssl;
517 inctx = X509_STORE_CTX_new();
520 if (!X509_STORE_CTX_init(inctx,
521 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
524 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
525 X509_get_issuer_name(x));
527 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
530 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
531 X509_OBJECT_free(obj);
534 req = OCSP_REQUEST_new();
537 if (!OCSP_request_add0_id(req, id))
540 /* Add any extensions to the request */
541 SSL_get_tlsext_status_exts(s, &exts);
542 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
543 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
544 if (!OCSP_REQUEST_add_ext(req, ext, -1))
547 resp = process_responder(req, host, path, port, use_ssl, NULL,
550 BIO_puts(bio_err, "cert_status: error querying responder\n");
553 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
556 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
557 if (srctx->verbose) {
558 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
559 OCSP_RESPONSE_print(bio_err, resp, 2);
561 ret = SSL_TLSEXT_ERR_OK;
565 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
567 if (ret != SSL_TLSEXT_ERR_OK)
568 ERR_print_errors(bio_err);
573 X509_email_free(aia);
575 OCSP_CERTID_free(id);
576 OCSP_REQUEST_free(req);
577 OCSP_RESPONSE_free(resp);
578 X509_STORE_CTX_free(inctx);
583 #ifndef OPENSSL_NO_NEXTPROTONEG
584 /* This is the context that we pass to next_proto_cb */
585 typedef struct tlsextnextprotoctx_st {
588 } tlsextnextprotoctx;
590 static int next_proto_cb(SSL *s, const unsigned char **data,
591 unsigned int *len, void *arg)
593 tlsextnextprotoctx *next_proto = arg;
595 *data = next_proto->data;
596 *len = next_proto->len;
598 return SSL_TLSEXT_ERR_OK;
600 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
602 /* This the context that we pass to alpn_cb */
603 typedef struct tlsextalpnctx_st {
608 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
609 const unsigned char *in, unsigned int inlen, void *arg)
611 tlsextalpnctx *alpn_ctx = arg;
614 /* We can assume that |in| is syntactically valid. */
616 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
617 for (i = 0; i < inlen;) {
619 BIO_write(bio_s_out, ", ", 2);
620 BIO_write(bio_s_out, &in[i + 1], in[i]);
623 BIO_write(bio_s_out, "\n", 1);
626 if (SSL_select_next_proto
627 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
628 inlen) != OPENSSL_NPN_NEGOTIATED) {
629 return SSL_TLSEXT_ERR_NOACK;
633 BIO_printf(bio_s_out, "ALPN protocols selected: ");
634 BIO_write(bio_s_out, *out, *outlen);
635 BIO_write(bio_s_out, "\n", 1);
638 return SSL_TLSEXT_ERR_OK;
641 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
643 /* disable resumption for sessions with forward secure ciphers */
644 return is_forward_secure;
647 #ifndef OPENSSL_NO_SRP
648 static srpsrvparm srp_callback_parm;
650 #ifndef OPENSSL_NO_SRTP
651 static char *srtp_profiles = NULL;
654 typedef enum OPTION_choice {
655 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
656 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
657 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
658 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
659 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
660 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
661 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
662 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
663 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
664 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
665 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
666 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE,
667 OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF,
668 OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
669 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
670 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
671 OPT_SSL_CONFIG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
672 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
673 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN,
674 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
675 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
676 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
682 const OPTIONS s_server_options[] = {
683 {"help", OPT_HELP, '-', "Display this summary"},
684 {"port", OPT_PORT, 'p',
685 "TCP/IP port to listen on for connections (default is " PORT ")"},
686 {"accept", OPT_ACCEPT, 's',
687 "TCP/IP optional host and port to accept on (default is " PORT ")"},
689 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
691 {"4", OPT_4, '-', "Use IPv4 only"},
692 {"6", OPT_6, '-', "Use IPv6 only"},
694 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
696 {"context", OPT_CONTEXT, 's', "Set session ID context"},
697 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
698 {"Verify", OPT_UPPER_V_VERIFY, 'n',
699 "Turn on peer certificate verification, must have a cert"},
700 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
701 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
702 {"serverinfo", OPT_SERVERINFO, 's',
703 "PEM serverinfo file for certificate"},
704 {"certform", OPT_CERTFORM, 'F',
705 "Certificate format (PEM or DER) PEM default"},
706 {"key", OPT_KEY, '<',
707 "Private Key if not in -cert; default is " TEST_CERT},
708 {"keyform", OPT_KEYFORM, 'f',
709 "Key format (PEM, DER or ENGINE) PEM default"},
710 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
711 {"dcert", OPT_DCERT, '<',
712 "Second certificate file to use (usually for DSA)"},
713 {"dcertform", OPT_DCERTFORM, 'F',
714 "Second certificate format (PEM or DER) PEM default"},
715 {"dkey", OPT_DKEY, '<',
716 "Second private key file to use (usually for DSA)"},
717 {"dkeyform", OPT_DKEYFORM, 'F',
718 "Second key format (PEM, DER or ENGINE) PEM default"},
719 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
720 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
721 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
722 {"debug", OPT_DEBUG, '-', "Print more output"},
723 {"msg", OPT_MSG, '-', "Show protocol messages"},
724 {"msgfile", OPT_MSGFILE, '>',
725 "File to send output of -msg or -trace, instead of stdout"},
726 {"state", OPT_STATE, '-', "Print the SSL states"},
727 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
728 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
729 {"no-CAfile", OPT_NOCAFILE, '-',
730 "Do not load the default certificates file"},
731 {"no-CApath", OPT_NOCAPATH, '-',
732 "Do not load certificates from the default certificates directory"},
733 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
734 {"quiet", OPT_QUIET, '-', "No server output"},
735 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
736 "Disable caching and tickets if ephemeral (EC)DH is used"},
737 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
738 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
739 {"servername", OPT_SERVERNAME, 's',
740 "Servername for HostName TLS extension"},
741 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
742 "mismatch send fatal alert (default warning alert)"},
743 {"cert2", OPT_CERT2, '<',
744 "Certificate file to use for servername; default is" TEST_CERT2},
745 {"key2", OPT_KEY2, '<',
746 "-Private Key file to use for servername if not in -cert2"},
747 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
748 "Hex dump of all TLS extensions received"},
749 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
750 {"id_prefix", OPT_ID_PREFIX, 's',
751 "Generate SSL/TLS session IDs prefixed by arg"},
752 {"rand", OPT_RAND, 's',
753 "Load the file(s) into the random number generator"},
754 {"keymatexport", OPT_KEYMATEXPORT, 's',
755 "Export keying material using label"},
756 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
757 "Export len bytes of keying material (default 20)"},
758 {"CRL", OPT_CRL, '<', "CRL file to use"},
759 {"crl_download", OPT_CRL_DOWNLOAD, '-',
760 "Download CRL from distribution points"},
761 {"cert_chain", OPT_CERT_CHAIN, '<',
762 "certificate chain file in PEM format"},
763 {"dcert_chain", OPT_DCERT_CHAIN, '<',
764 "second certificate chain file in PEM format"},
765 {"chainCApath", OPT_CHAINCAPATH, '/',
766 "use dir as certificate store path to build CA certificate chain"},
767 {"verifyCApath", OPT_VERIFYCAPATH, '/',
768 "use dir as certificate store path to verify CA certificate"},
769 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
770 {"ext_cache", OPT_EXT_CACHE, '-',
771 "Disable internal cache, setup and use external cache"},
772 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
773 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
774 "Close connection on verification error"},
775 {"verify_quiet", OPT_VERIFY_QUIET, '-',
776 "No verify output except verify errors"},
777 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
778 {"chainCAfile", OPT_CHAINCAFILE, '<',
779 "CA file for certificate chain (PEM format)"},
780 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
781 "CA file for certificate verification (PEM format)"},
782 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
783 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
784 #ifndef OPENSSL_NO_OCSP
785 {"status", OPT_STATUS, '-', "Request certificate status from server"},
786 {"status_verbose", OPT_STATUS_VERBOSE, '-',
787 "Print more output in certificate status callback"},
788 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
789 "Status request responder timeout"},
790 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
792 #ifndef OPENSSL_NO_SSL_TRACE
793 {"trace", OPT_TRACE, '-', "trace protocol messages"},
795 {"security_debug", OPT_SECURITY_DEBUG, '-',
796 "Print output from SSL/TLS security framework"},
797 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
798 "Print more output from SSL/TLS security framework"},
799 {"brief", OPT_BRIEF, '-',
800 "Restrict output to brief summary of connection parameters"},
801 {"rev", OPT_REV, '-',
802 "act as a simple test server which just sends back with the received text reversed"},
803 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
804 {"ssl_config", OPT_SSL_CONFIG, 's',
805 "Configure SSL_CTX using the configuration 'val'"},
806 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
807 "Size used to split data for encrypt pipelines"},
808 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
809 "Maximum number of encrypt/decrypt pipelines to be used"},
810 {"read_buf", OPT_READ_BUF, 'n',
811 "Default read buffer size to be used for connections"},
815 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
816 #ifndef OPENSSL_NO_PSK
817 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
818 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
820 #ifndef OPENSSL_NO_SRP
821 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
822 {"srpuserseed", OPT_SRPUSERSEED, 's',
823 "A seed string for a default user salt"},
825 #ifndef OPENSSL_NO_SSL3
826 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
828 #ifndef OPENSSL_NO_TLS1
829 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
831 #ifndef OPENSSL_NO_TLS1_1
832 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
834 #ifndef OPENSSL_NO_TLS1_2
835 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
837 #ifndef OPENSSL_NO_TLS1_3
838 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
840 #ifndef OPENSSL_NO_DTLS
841 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
842 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
843 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
844 {"listen", OPT_LISTEN, '-',
845 "Listen for a DTLS ClientHello with a cookie and then connect"},
847 #ifndef OPENSSL_NO_DTLS1
848 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
850 #ifndef OPENSSL_NO_DTLS1_2
851 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
853 #ifndef OPENSSL_NO_DH
854 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
856 #ifndef OPENSSL_NO_NEXTPROTONEG
857 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
858 "Set the advertised protocols for the NPN extension (comma-separated list)"},
860 #ifndef OPENSSL_NO_SRTP
861 {"use_srtp", OPT_SRTP_PROFILES, 's',
862 "Offer SRTP key management with a colon-separated profile list"},
864 {"alpn", OPT_ALPN, 's',
865 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
866 #ifndef OPENSSL_NO_ENGINE
867 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
869 {NULL, OPT_EOF, 0, NULL}
872 #define IS_PROT_FLAG(o) \
873 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
874 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
876 int s_server_main(int argc, char *argv[])
878 ENGINE *engine = NULL;
879 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
880 SSL_CONF_CTX *cctx = NULL;
881 const SSL_METHOD *meth = TLS_server_method();
882 SSL_EXCERT *exc = NULL;
883 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
884 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
885 STACK_OF(X509_CRL) *crls = NULL;
886 X509 *s_cert = NULL, *s_dcert = NULL;
887 X509_VERIFY_PARAM *vpm = NULL;
888 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
889 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
890 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
891 char *crl_file = NULL, *prog;
893 int unlink_unix_path = 0;
895 do_server_cb server_cb;
896 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
897 #ifndef OPENSSL_NO_DH
901 int nocert = 0, ret = 1;
902 int noCApath = 0, noCAfile = 0;
903 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
904 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
905 int rev = 0, naccept = -1, sdebug = 0;
906 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
907 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
909 char *port = BUF_strdup(PORT);
910 unsigned char *context = NULL;
912 EVP_PKEY *s_key2 = NULL;
913 X509 *s_cert2 = NULL;
914 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
915 const char *ssl_config = NULL;
916 int read_buf_len = 0;
917 #ifndef OPENSSL_NO_NEXTPROTONEG
918 const char *next_proto_neg_in = NULL;
919 tlsextnextprotoctx next_proto = { NULL, 0 };
921 const char *alpn_in = NULL;
922 tlsextalpnctx alpn_ctx = { NULL, 0 };
923 #ifndef OPENSSL_NO_PSK
924 /* by default do not send a PSK identity hint */
925 static char *psk_identity_hint = NULL;
928 #ifndef OPENSSL_NO_SRP
929 char *srpuserseed = NULL;
930 char *srp_verifier_file = NULL;
932 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
933 int s_server_verify = SSL_VERIFY_NONE;
934 int s_server_session_id_context = 1; /* anything will do */
935 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
936 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
937 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
938 #ifndef OPENSSL_NO_OCSP
939 int s_tlsextstatus = 0;
941 int no_resume_ephemeral = 0;
942 unsigned int split_send_fragment = 0, max_pipelines = 0;
943 const char *s_serverinfo_file = NULL;
945 /* Init of few remaining global variables */
950 s_nbio = s_nbio_test = 0;
959 cctx = SSL_CONF_CTX_new();
960 vpm = X509_VERIFY_PARAM_new();
961 if (cctx == NULL || vpm == NULL)
963 SSL_CONF_CTX_set_flags(cctx,
964 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
966 prog = opt_init(argc, argv, s_server_options);
967 while ((o = opt_next()) != OPT_EOF) {
968 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
969 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
972 if (IS_NO_PROT_FLAG(o))
974 if (prot_opt == 1 && no_prot_opt) {
976 "Cannot supply both a protocol flag and '-no_<prot>'\n");
983 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
986 opt_help(s_server_options);
992 if (socket_family == AF_UNIX) {
993 OPENSSL_free(host); host = NULL;
994 OPENSSL_free(port); port = NULL;
997 socket_family = AF_INET;
1003 if (socket_family == AF_UNIX) {
1004 OPENSSL_free(host); host = NULL;
1005 OPENSSL_free(port); port = NULL;
1008 socket_family = AF_INET6;
1011 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1017 if (socket_family == AF_UNIX) {
1018 socket_family = AF_UNSPEC;
1021 OPENSSL_free(port); port = NULL;
1022 OPENSSL_free(host); host = NULL;
1023 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1025 "%s: -port argument malformed or ambiguous\n",
1032 if (socket_family == AF_UNIX) {
1033 socket_family = AF_UNSPEC;
1036 OPENSSL_free(port); port = NULL;
1037 OPENSSL_free(host); host = NULL;
1038 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1040 "%s: -accept argument malformed or ambiguous\n",
1047 socket_family = AF_UNIX;
1048 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1049 OPENSSL_free(port); port = NULL;
1052 unlink_unix_path = 1;
1056 naccept = atol(opt_arg());
1059 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1060 verify_args.depth = atoi(opt_arg());
1062 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1064 case OPT_UPPER_V_VERIFY:
1066 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1067 SSL_VERIFY_CLIENT_ONCE;
1068 verify_args.depth = atoi(opt_arg());
1071 "verify depth is %d, must return a certificate\n",
1075 context = (unsigned char *)opt_arg();
1078 s_cert_file = opt_arg();
1081 crl_file = opt_arg();
1083 case OPT_CRL_DOWNLOAD:
1086 case OPT_SERVERINFO:
1087 s_serverinfo_file = opt_arg();
1090 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1094 s_key_file = opt_arg();
1097 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1101 passarg = opt_arg();
1103 case OPT_CERT_CHAIN:
1104 s_chain_file = opt_arg();
1107 #ifndef OPENSSL_NO_DH
1112 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1116 s_dcert_file = opt_arg();
1119 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1123 dpassarg = opt_arg();
1126 s_dkey_file = opt_arg();
1128 case OPT_DCERT_CHAIN:
1129 s_dchain_file = opt_arg();
1140 case OPT_CHAINCAPATH:
1141 chCApath = opt_arg();
1143 case OPT_VERIFYCAPATH:
1144 vfyCApath = opt_arg();
1153 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1157 if (ssl_args == NULL)
1158 ssl_args = sk_OPENSSL_STRING_new_null();
1159 if (ssl_args == NULL
1160 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1161 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1162 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1167 if (!opt_verify(o, vpm))
1172 if (!args_excert(o, &exc))
1175 case OPT_VERIFY_RET_ERROR:
1176 verify_args.return_error = 1;
1178 case OPT_VERIFY_QUIET:
1179 verify_args.quiet = 1;
1181 case OPT_BUILD_CHAIN:
1190 case OPT_CHAINCAFILE:
1191 chCAfile = opt_arg();
1193 case OPT_VERIFYCAFILE:
1194 vfyCAfile = opt_arg();
1200 s_nbio = s_nbio_test = 1;
1205 case OPT_NO_IGN_EOF:
1211 case OPT_TLSEXTDEBUG:
1215 #ifndef OPENSSL_NO_OCSP
1219 case OPT_STATUS_VERBOSE:
1220 #ifndef OPENSSL_NO_OCSP
1221 s_tlsextstatus = tlscstatp.verbose = 1;
1224 case OPT_STATUS_TIMEOUT:
1225 #ifndef OPENSSL_NO_OCSP
1227 tlscstatp.timeout = atoi(opt_arg());
1230 case OPT_STATUS_URL:
1231 #ifndef OPENSSL_NO_OCSP
1233 if (!OCSP_parse_url(opt_arg(),
1236 &tlscstatp.path, &tlscstatp.use_ssl)) {
1237 BIO_printf(bio_err, "Error parsing URL\n");
1246 bio_s_msg = BIO_new_file(opt_arg(), "w");
1249 #ifndef OPENSSL_NO_SSL_TRACE
1253 case OPT_SECURITY_DEBUG:
1256 case OPT_SECURITY_DEBUG_VERBOSE:
1269 s_quiet = s_brief = verify_args.quiet = 1;
1272 #ifndef OPENSSL_NO_DH
1276 case OPT_NO_RESUME_EPHEMERAL:
1277 no_resume_ephemeral = 1;
1280 #ifndef OPENSSL_NO_PSK
1281 psk_identity_hint = opt_arg();
1285 #ifndef OPENSSL_NO_PSK
1286 for (p = psk_key = opt_arg(); *p; p++) {
1287 if (isxdigit(_UC(*p)))
1289 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1295 #ifndef OPENSSL_NO_SRP
1296 srp_verifier_file = opt_arg();
1297 if (min_version < TLS1_VERSION)
1298 min_version = TLS1_VERSION;
1301 case OPT_SRPUSERSEED:
1302 #ifndef OPENSSL_NO_SRP
1303 srpuserseed = opt_arg();
1304 if (min_version < TLS1_VERSION)
1305 min_version = TLS1_VERSION;
1320 case OPT_SSL_CONFIG:
1321 ssl_config = opt_arg();
1324 min_version = SSL3_VERSION;
1325 max_version = SSL3_VERSION;
1328 min_version = TLS1_3_VERSION;
1329 max_version = TLS1_3_VERSION;
1332 min_version = TLS1_2_VERSION;
1333 max_version = TLS1_2_VERSION;
1336 min_version = TLS1_1_VERSION;
1337 max_version = TLS1_1_VERSION;
1340 min_version = TLS1_VERSION;
1341 max_version = TLS1_VERSION;
1344 #ifndef OPENSSL_NO_DTLS
1345 meth = DTLS_server_method();
1346 socket_type = SOCK_DGRAM;
1350 #ifndef OPENSSL_NO_DTLS
1351 meth = DTLS_server_method();
1352 min_version = DTLS1_VERSION;
1353 max_version = DTLS1_VERSION;
1354 socket_type = SOCK_DGRAM;
1358 #ifndef OPENSSL_NO_DTLS
1359 meth = DTLS_server_method();
1360 min_version = DTLS1_2_VERSION;
1361 max_version = DTLS1_2_VERSION;
1362 socket_type = SOCK_DGRAM;
1366 #ifndef OPENSSL_NO_DTLS
1367 enable_timeouts = 1;
1371 #ifndef OPENSSL_NO_DTLS
1372 socket_mtu = atol(opt_arg());
1376 #ifndef OPENSSL_NO_DTLS
1381 session_id_prefix = opt_arg();
1384 engine = setup_engine(opt_arg(), 1);
1389 case OPT_SERVERNAME:
1390 tlsextcbp.servername = opt_arg();
1392 case OPT_SERVERNAME_FATAL:
1393 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1396 s_cert_file2 = opt_arg();
1399 s_key_file2 = opt_arg();
1401 case OPT_NEXTPROTONEG:
1402 # ifndef OPENSSL_NO_NEXTPROTONEG
1403 next_proto_neg_in = opt_arg();
1407 alpn_in = opt_arg();
1409 case OPT_SRTP_PROFILES:
1410 #ifndef OPENSSL_NO_SRTP
1411 srtp_profiles = opt_arg();
1414 case OPT_KEYMATEXPORT:
1415 keymatexportlabel = opt_arg();
1417 case OPT_KEYMATEXPORTLEN:
1418 keymatexportlen = atoi(opt_arg());
1423 case OPT_SPLIT_SEND_FRAG:
1424 split_send_fragment = atoi(opt_arg());
1425 if (split_send_fragment == 0) {
1427 * Not allowed - set to a deliberately bad value so we get an
1428 * error message below
1430 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1433 case OPT_MAX_PIPELINES:
1434 max_pipelines = atoi(opt_arg());
1437 read_buf_len = atoi(opt_arg());
1442 argc = opt_num_rest();
1445 #ifndef OPENSSL_NO_DTLS
1446 if (www && socket_type == SOCK_DGRAM) {
1447 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1451 if (dtlslisten && socket_type != SOCK_DGRAM) {
1452 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1458 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1460 "Can't use unix sockets and datagrams together\n");
1465 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1466 BIO_printf(bio_err, "Bad split send fragment size\n");
1470 if (max_pipelines > SSL_MAX_PIPELINES) {
1471 BIO_printf(bio_err, "Bad max pipelines value\n");
1475 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1476 BIO_printf(bio_err, "Error getting password\n");
1480 if (s_key_file == NULL)
1481 s_key_file = s_cert_file;
1483 if (s_key_file2 == NULL)
1484 s_key_file2 = s_cert_file2;
1486 if (!load_excert(&exc))
1490 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1491 "server certificate private key file");
1493 ERR_print_errors(bio_err);
1497 s_cert = load_cert(s_cert_file, s_cert_format,
1498 "server certificate file");
1501 ERR_print_errors(bio_err);
1505 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1506 "server certificate chain"))
1510 if (tlsextcbp.servername) {
1511 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1512 "second server certificate private key file");
1514 ERR_print_errors(bio_err);
1518 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1519 "second server certificate file");
1522 ERR_print_errors(bio_err);
1527 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1528 if (next_proto_neg_in) {
1530 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1531 if (next_proto.data == NULL)
1533 next_proto.len = len;
1535 next_proto.data = NULL;
1538 alpn_ctx.data = NULL;
1541 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1542 if (alpn_ctx.data == NULL)
1549 crl = load_crl(crl_file, crl_format);
1551 BIO_puts(bio_err, "Error loading CRL\n");
1552 ERR_print_errors(bio_err);
1555 crls = sk_X509_CRL_new_null();
1556 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1557 BIO_puts(bio_err, "Error adding CRL\n");
1558 ERR_print_errors(bio_err);
1566 if (s_dkey_file == NULL)
1567 s_dkey_file = s_dcert_file;
1569 s_dkey = load_key(s_dkey_file, s_dkey_format,
1570 0, dpass, engine, "second certificate private key file");
1572 ERR_print_errors(bio_err);
1576 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1577 "second server certificate file");
1580 ERR_print_errors(bio_err);
1583 if (s_dchain_file) {
1584 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1585 "second server certificate chain"))
1591 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1592 && !RAND_status()) {
1594 "warning, not much extra random data, consider using the -rand option\n");
1597 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1598 app_RAND_load_files(inrand));
1600 if (bio_s_out == NULL) {
1601 if (s_quiet && !s_debug) {
1602 bio_s_out = BIO_new(BIO_s_null());
1603 if (s_msg && !bio_s_msg)
1604 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1606 if (bio_s_out == NULL)
1607 bio_s_out = dup_bio_out(FORMAT_TEXT);
1610 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1616 s_dcert_file = NULL;
1618 s_cert_file2 = NULL;
1622 ctx = SSL_CTX_new(meth);
1624 ERR_print_errors(bio_err);
1628 ssl_ctx_security_debug(ctx, sdebug);
1630 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1631 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1633 ERR_print_errors(bio_err);
1637 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1639 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1642 if (session_id_prefix) {
1643 if (strlen(session_id_prefix) >= 32)
1645 "warning: id_prefix is too long, only one new session will be possible\n");
1646 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1647 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1648 ERR_print_errors(bio_err);
1651 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1653 SSL_CTX_set_quiet_shutdown(ctx, 1);
1655 ssl_ctx_set_excert(ctx, exc);
1658 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1660 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1662 init_session_cache_ctx(ctx);
1664 SSL_CTX_sess_set_cache_size(ctx, 128);
1667 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1669 if (split_send_fragment > 0) {
1670 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1672 if (max_pipelines > 0) {
1673 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1676 if (read_buf_len > 0) {
1677 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1679 #ifndef OPENSSL_NO_SRTP
1680 if (srtp_profiles != NULL) {
1681 /* Returns 0 on success! */
1682 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1683 BIO_printf(bio_err, "Error setting SRTP profile\n");
1684 ERR_print_errors(bio_err);
1690 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1691 ERR_print_errors(bio_err);
1694 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1695 BIO_printf(bio_err, "Error setting verify params\n");
1696 ERR_print_errors(bio_err);
1700 ssl_ctx_add_crls(ctx, crls, 0);
1701 if (!config_ctx(cctx, ssl_args, ctx))
1704 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1705 crls, crl_download)) {
1706 BIO_printf(bio_err, "Error loading store locations\n");
1707 ERR_print_errors(bio_err);
1712 ctx2 = SSL_CTX_new(meth);
1714 ERR_print_errors(bio_err);
1720 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1723 ssl_ctx_security_debug(ctx, sdebug);
1725 if (session_id_prefix) {
1726 if (strlen(session_id_prefix) >= 32)
1728 "warning: id_prefix is too long, only one new session will be possible\n");
1729 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1730 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1731 ERR_print_errors(bio_err);
1734 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1736 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1738 ssl_ctx_set_excert(ctx2, exc);
1741 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1744 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1746 init_session_cache_ctx(ctx2);
1748 SSL_CTX_sess_set_cache_size(ctx2, 128);
1751 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1753 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1755 ERR_print_errors(bio_err);
1758 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1759 BIO_printf(bio_err, "Error setting verify params\n");
1760 ERR_print_errors(bio_err);
1764 ssl_ctx_add_crls(ctx2, crls, 0);
1765 if (!config_ctx(cctx, ssl_args, ctx2))
1768 #ifndef OPENSSL_NO_NEXTPROTONEG
1769 if (next_proto.data)
1770 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1774 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1776 #ifndef OPENSSL_NO_DH
1781 dh = load_dh_param(dhfile);
1782 else if (s_cert_file)
1783 dh = load_dh_param(s_cert_file);
1786 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1788 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1790 (void)BIO_flush(bio_s_out);
1793 SSL_CTX_set_dh_auto(ctx, 1);
1794 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1795 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1796 ERR_print_errors(bio_err);
1803 DH *dh2 = load_dh_param(s_cert_file2);
1805 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1806 (void)BIO_flush(bio_s_out);
1813 SSL_CTX_set_dh_auto(ctx2, 1);
1814 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1815 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1816 ERR_print_errors(bio_err);
1825 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1828 if (s_serverinfo_file != NULL
1829 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1830 ERR_print_errors(bio_err);
1834 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1837 if (s_dcert != NULL) {
1838 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1842 if (no_resume_ephemeral) {
1843 SSL_CTX_set_not_resumable_session_callback(ctx,
1844 not_resumable_sess_cb);
1847 SSL_CTX_set_not_resumable_session_callback(ctx2,
1848 not_resumable_sess_cb);
1850 #ifndef OPENSSL_NO_PSK
1851 if (psk_key != NULL) {
1853 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1854 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1857 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1858 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1859 ERR_print_errors(bio_err);
1864 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1865 if (!SSL_CTX_set_session_id_context(ctx,
1866 (void *)&s_server_session_id_context,
1867 sizeof s_server_session_id_context)) {
1868 BIO_printf(bio_err, "error setting session id context\n");
1869 ERR_print_errors(bio_err);
1873 /* Set DTLS cookie generation and verification callbacks */
1874 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1875 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1878 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1879 if (!SSL_CTX_set_session_id_context(ctx2,
1880 (void *)&s_server_session_id_context,
1881 sizeof s_server_session_id_context)) {
1882 BIO_printf(bio_err, "error setting session id context\n");
1883 ERR_print_errors(bio_err);
1886 tlsextcbp.biodebug = bio_s_out;
1887 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1888 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1889 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1890 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1893 #ifndef OPENSSL_NO_SRP
1894 if (srp_verifier_file != NULL) {
1895 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1896 srp_callback_parm.user = NULL;
1897 srp_callback_parm.login = NULL;
1899 SRP_VBASE_init(srp_callback_parm.vb,
1900 srp_verifier_file)) != SRP_NO_ERROR) {
1902 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1903 srp_verifier_file, ret);
1906 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
1907 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1908 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1911 if (CAfile != NULL) {
1912 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1915 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1917 #ifndef OPENSSL_NO_OCSP
1918 if (s_tlsextstatus) {
1919 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1920 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1922 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
1923 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
1928 BIO_printf(bio_s_out, "ACCEPT\n");
1929 (void)BIO_flush(bio_s_out);
1931 server_cb = rev_body;
1933 server_cb = www_body;
1935 server_cb = sv_body;
1937 if (socket_family == AF_UNIX
1938 && unlink_unix_path)
1941 do_server(&accept_socket, host, port, socket_family, socket_type,
1942 server_cb, context, naccept);
1943 print_stats(bio_s_out, ctx);
1948 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1950 EVP_PKEY_free(s_key);
1951 EVP_PKEY_free(s_dkey);
1952 sk_X509_pop_free(s_chain, X509_free);
1953 sk_X509_pop_free(s_dchain, X509_free);
1955 OPENSSL_free(dpass);
1958 X509_VERIFY_PARAM_free(vpm);
1960 OPENSSL_free(tlscstatp.host);
1961 OPENSSL_free(tlscstatp.port);
1962 OPENSSL_free(tlscstatp.path);
1965 EVP_PKEY_free(s_key2);
1966 #ifndef OPENSSL_NO_NEXTPROTONEG
1967 OPENSSL_free(next_proto.data);
1969 OPENSSL_free(alpn_ctx.data);
1970 ssl_excert_free(exc);
1971 sk_OPENSSL_STRING_free(ssl_args);
1972 SSL_CONF_CTX_free(cctx);
1973 release_engine(engine);
1974 BIO_free(bio_s_out);
1976 BIO_free(bio_s_msg);
1978 #ifdef CHARSET_EBCDIC
1979 BIO_meth_free(methods_ebcdic);
1984 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1986 BIO_printf(bio, "%4ld items in the session cache\n",
1987 SSL_CTX_sess_number(ssl_ctx));
1988 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1989 SSL_CTX_sess_connect(ssl_ctx));
1990 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1991 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1992 BIO_printf(bio, "%4ld client connects that finished\n",
1993 SSL_CTX_sess_connect_good(ssl_ctx));
1994 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1995 SSL_CTX_sess_accept(ssl_ctx));
1996 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1997 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1998 BIO_printf(bio, "%4ld server accepts that finished\n",
1999 SSL_CTX_sess_accept_good(ssl_ctx));
2000 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2001 BIO_printf(bio, "%4ld session cache misses\n",
2002 SSL_CTX_sess_misses(ssl_ctx));
2003 BIO_printf(bio, "%4ld session cache timeouts\n",
2004 SSL_CTX_sess_timeouts(ssl_ctx));
2005 BIO_printf(bio, "%4ld callback cache hits\n",
2006 SSL_CTX_sess_cb_hits(ssl_ctx));
2007 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2008 SSL_CTX_sess_cache_full(ssl_ctx),
2009 SSL_CTX_sess_get_cache_size(ssl_ctx));
2012 static int sv_body(int s, int stype, unsigned char *context)
2021 struct timeval timeout;
2022 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2025 struct timeval *timeoutp;
2028 buf = app_malloc(bufsize, "server buffer");
2030 if (!BIO_socket_nbio(s, 1))
2031 ERR_print_errors(bio_err);
2033 BIO_printf(bio_err, "Turned on non blocking io\n");
2039 if (s_tlsextdebug) {
2040 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2041 SSL_set_tlsext_debug_arg(con, bio_s_out);
2045 && !SSL_set_session_id_context(con,
2046 context, strlen((char *)context))) {
2047 BIO_printf(bio_err, "Error setting session id context\n");
2052 if (!SSL_clear(con)) {
2053 BIO_printf(bio_err, "Error clearing SSL connection\n");
2057 #ifndef OPENSSL_NO_DTLS
2058 if (stype == SOCK_DGRAM) {
2060 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2062 if (enable_timeouts) {
2064 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2065 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2068 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2069 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2073 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2074 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2075 DTLS_get_link_min_mtu(con));
2080 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2081 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2082 BIO_printf(bio_err, "Failed to set MTU\n");
2088 /* want to do MTU discovery */
2089 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2091 /* turn on cookie exchange */
2092 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2095 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2100 test = BIO_new(BIO_f_nbio_test());
2101 sbio = BIO_push(test, sbio);
2104 SSL_set_bio(con, sbio, sbio);
2105 SSL_set_accept_state(con);
2106 /* SSL_set_fd(con,s); */
2109 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2110 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2113 #ifndef OPENSSL_NO_SSL_TRACE
2115 SSL_set_msg_callback(con, SSL_trace);
2118 SSL_set_msg_callback(con, msg_cb);
2119 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2122 if (s_tlsextdebug) {
2123 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2124 SSL_set_tlsext_debug_arg(con, bio_s_out);
2127 if (fileno_stdin() > s)
2128 width = fileno_stdin() + 1;
2132 int read_from_terminal;
2133 int read_from_sslcon;
2135 read_from_terminal = 0;
2136 read_from_sslcon = SSL_has_pending(con)
2137 || (async && SSL_waiting_for_async(con));
2139 if (!read_from_sslcon) {
2141 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2142 openssl_fdset(fileno_stdin(), &readfds);
2144 openssl_fdset(s, &readfds);
2146 * Note: under VMS with SOCKETSHR the second parameter is
2147 * currently of type (int *) whereas under other systems it is
2148 * (void *) if you don't have a cast it will choke the compiler:
2149 * if you do have a cast then you can either go for (int *) or
2152 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2154 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2155 * only on sockets. As a workaround we timeout the select every
2156 * second and check for any keypress. In a proper Windows
2157 * application we wouldn't do this because it is inefficient.
2161 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2162 if (has_stdin_waiting())
2163 read_from_terminal = 1;
2164 if ((i < 0) || (!i && !read_from_terminal))
2167 if ((SSL_version(con) == DTLS1_VERSION) &&
2168 DTLSv1_get_timeout(con, &timeout))
2169 timeoutp = &timeout;
2173 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2175 if ((SSL_version(con) == DTLS1_VERSION)
2176 && DTLSv1_handle_timeout(con) > 0) {
2177 BIO_printf(bio_err, "TIMEOUT occurred\n");
2182 if (FD_ISSET(fileno_stdin(), &readfds))
2183 read_from_terminal = 1;
2185 if (FD_ISSET(s, &readfds))
2186 read_from_sslcon = 1;
2188 if (read_from_terminal) {
2192 i = raw_read_stdin(buf, bufsize / 2);
2194 /* both loops are skipped when i <= 0 */
2195 for (j = 0; j < i; j++)
2198 for (j = i - 1; j >= 0; j--) {
2199 buf[j + lf_num] = buf[j];
2200 if (buf[j] == '\n') {
2203 buf[j + lf_num] = '\r';
2206 assert(lf_num == 0);
2208 i = raw_read_stdin(buf, bufsize);
2210 if (!s_quiet && !s_brief) {
2211 if ((i <= 0) || (buf[0] == 'Q')) {
2212 BIO_printf(bio_s_out, "DONE\n");
2213 (void)BIO_flush(bio_s_out);
2215 close_accept_socket();
2219 if ((i <= 0) || (buf[0] == 'q')) {
2220 BIO_printf(bio_s_out, "DONE\n");
2221 (void)BIO_flush(bio_s_out);
2222 if (SSL_version(con) != DTLS1_VERSION)
2225 * close_accept_socket(); ret= -11;
2229 #ifndef OPENSSL_NO_HEARTBEATS
2230 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2231 BIO_printf(bio_err, "HEARTBEATING\n");
2237 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2238 SSL_renegotiate(con);
2239 i = SSL_do_handshake(con);
2240 printf("SSL_do_handshake -> %d\n", i);
2244 * strcpy(buf,"server side RE-NEGOTIATE\n");
2247 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2249 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2251 SSL_renegotiate(con);
2252 i = SSL_do_handshake(con);
2253 printf("SSL_do_handshake -> %d\n", i);
2257 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2261 if (buf[0] == 'P') {
2262 static const char *str = "Lets print some clear text\n";
2263 BIO_write(SSL_get_wbio(con), str, strlen(str));
2265 if (buf[0] == 'S') {
2266 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2269 #ifdef CHARSET_EBCDIC
2270 ebcdic2ascii(buf, buf, i);
2274 /* should do a select for the write */
2277 if (++count == 100) {
2279 SSL_renegotiate(con);
2282 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2283 #ifndef OPENSSL_NO_SRP
2284 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2285 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2286 SRP_user_pwd_free(srp_callback_parm.user);
2287 srp_callback_parm.user =
2288 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2289 srp_callback_parm.login);
2290 if (srp_callback_parm.user)
2291 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2292 srp_callback_parm.user->info);
2294 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2295 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2298 switch (SSL_get_error(con, k)) {
2299 case SSL_ERROR_NONE:
2301 case SSL_ERROR_WANT_ASYNC:
2302 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2303 (void)BIO_flush(bio_s_out);
2304 wait_for_async(con);
2306 case SSL_ERROR_WANT_WRITE:
2307 case SSL_ERROR_WANT_READ:
2308 case SSL_ERROR_WANT_X509_LOOKUP:
2309 BIO_printf(bio_s_out, "Write BLOCK\n");
2310 (void)BIO_flush(bio_s_out);
2312 case SSL_ERROR_WANT_ASYNC_JOB:
2314 * This shouldn't ever happen in s_server. Treat as an error
2316 case SSL_ERROR_SYSCALL:
2318 BIO_printf(bio_s_out, "ERROR\n");
2319 (void)BIO_flush(bio_s_out);
2320 ERR_print_errors(bio_err);
2324 case SSL_ERROR_ZERO_RETURN:
2325 BIO_printf(bio_s_out, "DONE\n");
2326 (void)BIO_flush(bio_s_out);
2338 if (read_from_sslcon) {
2340 * init_ssl_connection handles all async events itself so if we're
2341 * waiting for async then we shouldn't go back into
2342 * init_ssl_connection
2344 if ((!async || !SSL_waiting_for_async(con))
2345 && !SSL_is_init_finished(con)) {
2346 i = init_ssl_connection(con);
2351 } else if (i == 0) {
2357 i = SSL_read(con, (char *)buf, bufsize);
2358 #ifndef OPENSSL_NO_SRP
2359 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2360 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2361 SRP_user_pwd_free(srp_callback_parm.user);
2362 srp_callback_parm.user =
2363 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2364 srp_callback_parm.login);
2365 if (srp_callback_parm.user)
2366 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2367 srp_callback_parm.user->info);
2369 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2370 i = SSL_read(con, (char *)buf, bufsize);
2373 switch (SSL_get_error(con, i)) {
2374 case SSL_ERROR_NONE:
2375 #ifdef CHARSET_EBCDIC
2376 ascii2ebcdic(buf, buf, i);
2378 raw_write_stdout(buf, (unsigned int)i);
2379 (void)BIO_flush(bio_s_out);
2380 if (SSL_has_pending(con))
2383 case SSL_ERROR_WANT_ASYNC:
2384 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2385 (void)BIO_flush(bio_s_out);
2386 wait_for_async(con);
2388 case SSL_ERROR_WANT_WRITE:
2389 case SSL_ERROR_WANT_READ:
2390 BIO_printf(bio_s_out, "Read BLOCK\n");
2391 (void)BIO_flush(bio_s_out);
2393 case SSL_ERROR_WANT_ASYNC_JOB:
2395 * This shouldn't ever happen in s_server. Treat as an error
2397 case SSL_ERROR_SYSCALL:
2399 BIO_printf(bio_s_out, "ERROR\n");
2400 (void)BIO_flush(bio_s_out);
2401 ERR_print_errors(bio_err);
2404 case SSL_ERROR_ZERO_RETURN:
2405 BIO_printf(bio_s_out, "DONE\n");
2406 (void)BIO_flush(bio_s_out);
2415 BIO_printf(bio_s_out, "shutting down SSL\n");
2416 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2419 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2420 OPENSSL_clear_free(buf, bufsize);
2422 BIO_printf(bio_s_out, "ACCEPT\n");
2423 (void)BIO_flush(bio_s_out);
2427 static void close_accept_socket(void)
2429 BIO_printf(bio_err, "shutdown accept socket\n");
2430 if (accept_socket >= 0) {
2431 BIO_closesocket(accept_socket);
2435 static int init_ssl_connection(SSL *con)
2442 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2443 const unsigned char *next_proto_neg;
2444 unsigned next_proto_neg_len;
2446 unsigned char *exportedkeymat;
2449 #ifndef OPENSSL_NO_DTLS
2451 BIO_ADDR *client = NULL;
2453 if ((client = BIO_ADDR_new()) == NULL) {
2454 BIO_printf(bio_err, "ERROR - memory\n");
2457 i = DTLSv1_listen(con, client);
2462 wbio = SSL_get_wbio(con);
2464 BIO_get_fd(wbio, &fd);
2467 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2468 BIO_printf(bio_err, "ERROR - unable to connect\n");
2469 BIO_ADDR_free(client);
2472 BIO_ADDR_free(client);
2474 i = SSL_accept(con);
2476 BIO_ADDR_free(client);
2482 i = SSL_accept(con);
2485 retry = BIO_sock_should_retry(i);
2486 #ifdef CERT_CB_TEST_RETRY
2489 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2490 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2492 "LOOKUP from certificate callback during accept\n");
2493 i = SSL_accept(con);
2495 retry = BIO_sock_should_retry(i);
2500 #ifndef OPENSSL_NO_SRP
2502 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2503 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2504 srp_callback_parm.login);
2505 SRP_user_pwd_free(srp_callback_parm.user);
2506 srp_callback_parm.user =
2507 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2508 srp_callback_parm.login);
2509 if (srp_callback_parm.user)
2510 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2511 srp_callback_parm.user->info);
2513 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2514 i = SSL_accept(con);
2516 retry = BIO_sock_should_retry(i);
2519 } while (i < 0 && SSL_waiting_for_async(con));
2522 if ((dtlslisten && i == 0)
2523 || (!dtlslisten && retry)) {
2524 BIO_printf(bio_s_out, "DELAY\n");
2528 BIO_printf(bio_err, "ERROR\n");
2530 verify_err = SSL_get_verify_result(con);
2531 if (verify_err != X509_V_OK) {
2532 BIO_printf(bio_err, "verify error:%s\n",
2533 X509_verify_cert_error_string(verify_err));
2535 /* Always print any error messages */
2536 ERR_print_errors(bio_err);
2541 print_ssl_summary(con);
2543 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2545 peer = SSL_get_peer_certificate(con);
2547 BIO_printf(bio_s_out, "Client certificate\n");
2548 PEM_write_bio_X509(bio_s_out, peer);
2549 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2550 BIO_printf(bio_s_out, "subject=%s\n", buf);
2551 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2552 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2557 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2558 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2559 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2560 ssl_print_sigalgs(bio_s_out, con);
2561 #ifndef OPENSSL_NO_EC
2562 ssl_print_point_formats(bio_s_out, con);
2563 ssl_print_groups(bio_s_out, con, 0);
2565 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2567 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2568 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2569 if (next_proto_neg) {
2570 BIO_printf(bio_s_out, "NEXTPROTO is ");
2571 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2572 BIO_printf(bio_s_out, "\n");
2575 #ifndef OPENSSL_NO_SRTP
2577 SRTP_PROTECTION_PROFILE *srtp_profile
2578 = SSL_get_selected_srtp_profile(con);
2581 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2582 srtp_profile->name);
2585 if (SSL_session_reused(con))
2586 BIO_printf(bio_s_out, "Reused session-id\n");
2587 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2588 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2589 if (keymatexportlabel != NULL) {
2590 BIO_printf(bio_s_out, "Keying material exporter:\n");
2591 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2592 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2593 exportedkeymat = app_malloc(keymatexportlen, "export key");
2594 if (!SSL_export_keying_material(con, exportedkeymat,
2597 strlen(keymatexportlabel),
2599 BIO_printf(bio_s_out, " Error\n");
2601 BIO_printf(bio_s_out, " Keying material: ");
2602 for (i = 0; i < keymatexportlen; i++)
2603 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2604 BIO_printf(bio_s_out, "\n");
2606 OPENSSL_free(exportedkeymat);
2609 (void)BIO_flush(bio_s_out);
2613 #ifndef OPENSSL_NO_DH
2614 static DH *load_dh_param(const char *dhfile)
2619 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2621 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2628 static int www_body(int s, int stype, unsigned char *context)
2634 const SSL_CIPHER *c;
2635 BIO *io, *ssl_bio, *sbio;
2637 int total_bytes = 0;
2642 /* Set width for a select call if needed */
2645 buf = app_malloc(bufsize, "server www buffer");
2646 io = BIO_new(BIO_f_buffer());
2647 ssl_bio = BIO_new(BIO_f_ssl());
2648 if ((io == NULL) || (ssl_bio == NULL))
2652 if (!BIO_socket_nbio(s, 1))
2653 ERR_print_errors(bio_err);
2655 BIO_printf(bio_err, "Turned on non blocking io\n");
2658 /* lets make the output buffer a reasonable size */
2659 if (!BIO_set_write_buffer_size(io, bufsize))
2662 if ((con = SSL_new(ctx)) == NULL)
2665 if (s_tlsextdebug) {
2666 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2667 SSL_set_tlsext_debug_arg(con, bio_s_out);
2671 && !SSL_set_session_id_context(con, context,
2672 strlen((char *)context)))
2675 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2679 test = BIO_new(BIO_f_nbio_test());
2680 sbio = BIO_push(test, sbio);
2682 SSL_set_bio(con, sbio, sbio);
2683 SSL_set_accept_state(con);
2685 /* SSL_set_fd(con,s); */
2686 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2687 BIO_push(io, ssl_bio);
2688 #ifdef CHARSET_EBCDIC
2689 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2693 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2694 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2697 #ifndef OPENSSL_NO_SSL_TRACE
2699 SSL_set_msg_callback(con, SSL_trace);
2702 SSL_set_msg_callback(con, msg_cb);
2703 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2707 i = BIO_gets(io, buf, bufsize - 1);
2708 if (i < 0) { /* error */
2709 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2711 ERR_print_errors(bio_err);
2714 BIO_printf(bio_s_out, "read R BLOCK\n");
2715 #ifndef OPENSSL_NO_SRP
2716 if (BIO_should_io_special(io)
2717 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2718 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2719 SRP_user_pwd_free(srp_callback_parm.user);
2720 srp_callback_parm.user =
2721 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2722 srp_callback_parm.login);
2723 if (srp_callback_parm.user)
2724 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2725 srp_callback_parm.user->info);
2727 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2731 #if !defined(OPENSSL_SYS_MSDOS)
2736 } else if (i == 0) { /* end of input */
2741 /* else we have data */
2742 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2743 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2746 STACK_OF(SSL_CIPHER) *sk;
2747 static const char *space = " ";
2749 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2750 if (strncmp("GET /renegcert", buf, 14) == 0)
2752 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2754 i = SSL_renegotiate(con);
2755 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2756 /* Send the HelloRequest */
2757 i = SSL_do_handshake(con);
2759 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2760 SSL_get_error(con, i));
2761 ERR_print_errors(bio_err);
2764 /* Wait for a ClientHello to come back */
2766 openssl_fdset(s, &readfds);
2767 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2768 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2769 BIO_printf(bio_s_out,
2770 "Error waiting for client response\n");
2771 ERR_print_errors(bio_err);
2775 * We're not actually expecting any data here and we ignore
2776 * any that is sent. This is just to force the handshake that
2777 * we're expecting to come from the client. If they haven't
2778 * sent one there's not much we can do.
2780 BIO_gets(io, buf, bufsize - 1);
2784 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2785 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2786 BIO_puts(io, "<pre>\n");
2787 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
2789 for (i = 0; i < local_argc; i++) {
2791 for (myp = local_argv[i]; *myp; myp++)
2794 BIO_puts(io, "<");
2797 BIO_puts(io, ">");
2800 BIO_puts(io, "&");
2803 BIO_write(io, myp, 1);
2806 BIO_write(io, " ", 1);
2811 "Secure Renegotiation IS%s supported\n",
2812 SSL_get_secure_renegotiation_support(con) ?
2816 * The following is evil and should not really be done
2818 BIO_printf(io, "Ciphers supported in s_server binary\n");
2819 sk = SSL_get_ciphers(con);
2820 j = sk_SSL_CIPHER_num(sk);
2821 for (i = 0; i < j; i++) {
2822 c = sk_SSL_CIPHER_value(sk, i);
2823 BIO_printf(io, "%-11s:%-25s ",
2824 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2825 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2829 p = SSL_get_shared_ciphers(con, buf, bufsize);
2832 "---\nCiphers common between both SSL end points:\n");
2836 BIO_write(io, space, 26 - j);
2839 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2841 BIO_write(io, p, 1);
2848 ssl_print_sigalgs(io, con);
2849 #ifndef OPENSSL_NO_EC
2850 ssl_print_groups(io, con, 0);
2852 BIO_printf(io, (SSL_session_reused(con)
2853 ? "---\nReused, " : "---\nNew, "));
2854 c = SSL_get_current_cipher(con);
2855 BIO_printf(io, "%s, Cipher is %s\n",
2856 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2857 SSL_SESSION_print(io, SSL_get_session(con));
2858 BIO_printf(io, "---\n");
2859 print_stats(io, SSL_get_SSL_CTX(con));
2860 BIO_printf(io, "---\n");
2861 peer = SSL_get_peer_certificate(con);
2863 BIO_printf(io, "Client certificate\n");
2864 X509_print(io, peer);
2865 PEM_write_bio_X509(io, peer);
2869 BIO_puts(io, "no client certificate available\n");
2870 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2872 } else if ((www == 2 || www == 3)
2873 && (strncmp("GET /", buf, 5) == 0)) {
2876 static const char *text =
2877 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2883 for (e = p; *e != '\0'; e++) {
2889 dot = (e[0] == '.') ? 2 : 0;
2892 dot = (e[0] == '.') ? 3 : 0;
2895 dot = (e[0] == '/') ? -1 : 0;
2899 dot = (e[0] == '/') ? 1 : 0;
2901 dot = (dot == 3) || (dot == -1); /* filename contains ".."
2906 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
2913 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
2919 BIO_printf(io, "'%s' is an invalid path\r\n", p);
2923 /* if a directory, do the index thang */
2924 if (app_isdir(p) > 0) {
2926 BIO_printf(io, "'%s' is a directory\r\n", p);
2930 if ((file = BIO_new_file(p, "r")) == NULL) {
2932 BIO_printf(io, "Error opening '%s'\r\n", p);
2933 ERR_print_errors(io);
2938 BIO_printf(bio_err, "FILE:%s\n", p);
2942 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2943 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2944 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2946 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2949 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2953 i = BIO_read(file, buf, bufsize);
2959 BIO_printf(bio_err, "%d\n", i);
2960 if (total_bytes > 3 * 1024) {
2962 BIO_printf(bio_err, "RENEGOTIATE\n");
2963 SSL_renegotiate(con);
2967 for (j = 0; j < i;) {
2970 if (++count == 13) {
2971 SSL_renegotiate(con);
2974 k = BIO_write(io, &(buf[j]), i - j);
2976 if (!BIO_should_retry(io)
2977 && !SSL_waiting_for_async(con))
2980 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2994 i = (int)BIO_flush(io);
2996 if (!BIO_should_retry(io))
3002 /* make sure we re-use sessions */
3003 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3007 BIO_printf(bio_s_out, "ACCEPT\n");
3013 static int rev_body(int s, int stype, unsigned char *context)
3019 BIO *io, *ssl_bio, *sbio;
3021 buf = app_malloc(bufsize, "server rev buffer");
3022 io = BIO_new(BIO_f_buffer());
3023 ssl_bio = BIO_new(BIO_f_ssl());
3024 if ((io == NULL) || (ssl_bio == NULL))
3027 /* lets make the output buffer a reasonable size */
3028 if (!BIO_set_write_buffer_size(io, bufsize))
3031 if ((con = SSL_new(ctx)) == NULL)
3034 if (s_tlsextdebug) {
3035 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3036 SSL_set_tlsext_debug_arg(con, bio_s_out);
3039 && !SSL_set_session_id_context(con, context,
3040 strlen((char *)context))) {
3041 ERR_print_errors(bio_err);
3045 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3046 SSL_set_bio(con, sbio, sbio);
3047 SSL_set_accept_state(con);
3049 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3050 BIO_push(io, ssl_bio);
3051 #ifdef CHARSET_EBCDIC
3052 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3056 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3057 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3060 #ifndef OPENSSL_NO_SSL_TRACE
3062 SSL_set_msg_callback(con, SSL_trace);
3065 SSL_set_msg_callback(con, msg_cb);
3066 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3070 i = BIO_do_handshake(io);
3073 if (!BIO_should_retry(io)) {
3074 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3075 ERR_print_errors(bio_err);
3078 #ifndef OPENSSL_NO_SRP
3079 if (BIO_should_io_special(io)
3080 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3081 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3082 SRP_user_pwd_free(srp_callback_parm.user);
3083 srp_callback_parm.user =
3084 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3085 srp_callback_parm.login);
3086 if (srp_callback_parm.user)
3087 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3088 srp_callback_parm.user->info);
3090 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3095 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3096 print_ssl_summary(con);
3099 i = BIO_gets(io, buf, bufsize - 1);
3100 if (i < 0) { /* error */
3101 if (!BIO_should_retry(io)) {
3103 ERR_print_errors(bio_err);
3106 BIO_printf(bio_s_out, "read R BLOCK\n");
3107 #ifndef OPENSSL_NO_SRP
3108 if (BIO_should_io_special(io)
3109 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3110 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3111 SRP_user_pwd_free(srp_callback_parm.user);
3112 srp_callback_parm.user =
3113 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3114 srp_callback_parm.login);
3115 if (srp_callback_parm.user)
3116 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3117 srp_callback_parm.user->info);
3119 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3123 #if !defined(OPENSSL_SYS_MSDOS)
3128 } else if (i == 0) { /* end of input */
3130 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3133 char *p = buf + i - 1;
3134 while (i && (*p == '\n' || *p == '\r')) {
3138 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3140 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3143 BUF_reverse((unsigned char *)buf, NULL, i);
3145 BIO_write(io, buf, i + 1);
3150 if (!BIO_should_retry(io))
3156 /* make sure we re-use sessions */
3157 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3166 #define MAX_SESSION_ID_ATTEMPTS 10
3167 static int generate_session_id(const SSL *ssl, unsigned char *id,
3168 unsigned int *id_len)
3170 unsigned int count = 0;
3172 if (RAND_bytes(id, *id_len) <= 0)
3175 * Prefix the session_id with the required prefix. NB: If our prefix
3176 * is too long, clip it - but there will be worse effects anyway, eg.
3177 * the server could only possibly create 1 session ID (ie. the
3178 * prefix!) so all future session negotiations will fail due to
3181 memcpy(id, session_id_prefix,
3182 (strlen(session_id_prefix) < *id_len) ?
3183 strlen(session_id_prefix) : *id_len);
3185 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3186 (++count < MAX_SESSION_ID_ATTEMPTS));
3187 if (count >= MAX_SESSION_ID_ATTEMPTS)
3193 * By default s_server uses an in-memory cache which caches SSL_SESSION
3194 * structures without any serialisation. This hides some bugs which only
3195 * become apparent in deployed servers. By implementing a basic external
3196 * session cache some issues can be debugged using s_server.
3199 typedef struct simple_ssl_session_st {
3204 struct simple_ssl_session_st *next;
3205 } simple_ssl_session;
3207 static simple_ssl_session *first = NULL;
3209 static int add_session(SSL *ssl, SSL_SESSION *session)
3211 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3214 SSL_SESSION_get_id(session, &sess->idlen);
3215 sess->derlen = i2d_SSL_SESSION(session, NULL);
3216 if (sess->derlen < 0) {
3217 BIO_printf(bio_err, "Error encoding session\n");
3222 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3223 sess->der = app_malloc(sess->derlen, "get session buffer");
3225 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3226 OPENSSL_free(sess->id);
3227 OPENSSL_free(sess->der);
3233 /* Assume it still works. */
3234 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3235 BIO_printf(bio_err, "Unexpected session encoding length\n");
3236 OPENSSL_free(sess->id);
3237 OPENSSL_free(sess->der);
3244 BIO_printf(bio_err, "New session added to external cache\n");
3248 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3251 simple_ssl_session *sess;
3253 for (sess = first; sess; sess = sess->next) {
3254 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3255 const unsigned char *p = sess->der;
3256 BIO_printf(bio_err, "Lookup session: cache hit\n");
3257 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3260 BIO_printf(bio_err, "Lookup session: cache miss\n");
3264 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3266 simple_ssl_session *sess, *prev = NULL;
3267 const unsigned char *id;
3269 id = SSL_SESSION_get_id(session, &idlen);
3270 for (sess = first; sess; sess = sess->next) {
3271 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3273 prev->next = sess->next;
3276 OPENSSL_free(sess->id);
3277 OPENSSL_free(sess->der);
3285 static void init_session_cache_ctx(SSL_CTX *sctx)
3287 SSL_CTX_set_session_cache_mode(sctx,
3288 SSL_SESS_CACHE_NO_INTERNAL |
3289 SSL_SESS_CACHE_SERVER);
3290 SSL_CTX_sess_set_new_cb(sctx, add_session);
3291 SSL_CTX_sess_set_get_cb(sctx, get_session);
3292 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3295 static void free_sessions(void)
3297 simple_ssl_session *sess, *tsess;
3298 for (sess = first; sess;) {
3299 OPENSSL_free(sess->id);
3300 OPENSSL_free(sess->der);
3303 OPENSSL_free(tsess);
3308 #endif /* OPENSSL_NO_SOCK */