1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
57 /* ====================================================================
58 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
86 * 6. Redistributions of any form whatsoever must retain the following
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
110 /* ====================================================================
111 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
112 * ECC cipher suite support in OpenSSL originally developed by
113 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 /* ====================================================================
116 * Copyright 2005 Nokia. All rights reserved.
118 * The portions of the attached software ("Contribution") is developed by
119 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
122 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
123 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
124 * support (see RFC 4279) to OpenSSL.
126 * No patent licenses or other rights except those expressly stated in
127 * the OpenSSL open source license shall be deemed granted or received
128 * expressly, by implication, estoppel, or otherwise.
130 * No assurances are provided by Nokia that the Contribution does not
131 * infringe the patent or other intellectual property rights of any third
132 * party or that the license provides you with all the necessary rights
133 * to make use of the Contribution.
135 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
136 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
137 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
138 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
146 #include <openssl/async.h>
148 #include <openssl/e_os2.h>
150 #ifndef OPENSSL_NO_SOCK
153 * With IPv6, it looks like Digital has mixed up the proper order of
154 * recursive header file inclusion, resulting in the compiler complaining
155 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
156 * needed to have fileno() declared correctly... So let's define u_int
158 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
160 typedef unsigned int u_int;
163 #include <openssl/lhash.h>
164 #include <openssl/bn.h>
167 #include <openssl/err.h>
168 #include <openssl/pem.h>
169 #include <openssl/x509.h>
170 #include <openssl/ssl.h>
171 #include <openssl/rand.h>
172 #include <openssl/ocsp.h>
173 #ifndef OPENSSL_NO_DH
174 # include <openssl/dh.h>
176 #ifndef OPENSSL_NO_RSA
177 # include <openssl/rsa.h>
179 #ifndef OPENSSL_NO_SRP
180 # include <openssl/srp.h>
183 #include "timeouts.h"
184 #ifdef CHARSET_EBCDIC
185 #include <openssl/ebcdic.h>
188 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
189 static int sv_body(int s, int stype, unsigned char *context);
190 static int www_body(int s, int stype, unsigned char *context);
191 static int rev_body(int s, int stype, unsigned char *context);
192 static void close_accept_socket(void);
193 static int init_ssl_connection(SSL *s);
194 static void print_stats(BIO *bp, SSL_CTX *ctx);
195 static int generate_session_id(const SSL *ssl, unsigned char *id,
196 unsigned int *id_len);
197 static void init_session_cache_ctx(SSL_CTX *sctx);
198 static void free_sessions(void);
199 #ifndef OPENSSL_NO_DH
200 static DH *load_dh_param(const char *dhfile);
203 static void s_server_init(void);
205 /* static int load_CA(SSL_CTX *ctx, char *file);*/
208 #define BUFSIZZ 16*1024
209 static int bufsize = BUFSIZZ;
210 static int accept_socket = -1;
212 #define TEST_CERT "server.pem"
213 #define TEST_CERT2 "server2.pem"
215 extern int verify_depth, verify_return_error, verify_quiet;
217 static int s_server_verify = SSL_VERIFY_NONE;
218 static int s_server_session_id_context = 1; /* anything will do */
219 static const char *s_cert_file = TEST_CERT, *s_key_file =
220 NULL, *s_chain_file = NULL;
222 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
223 static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
224 static int s_nbio = 0;
225 static int s_nbio_test = 0;
226 static int s_crlf = 0;
227 static SSL_CTX *ctx = NULL;
228 static SSL_CTX *ctx2 = NULL;
231 static BIO *bio_s_out = NULL;
232 static BIO *bio_s_msg = NULL;
233 static int s_debug = 0;
234 static int s_tlsextdebug = 0;
235 static int s_tlsextstatus = 0;
236 static int no_resume_ephemeral = 0;
237 static int s_msg = 0;
238 static int s_quiet = 0;
239 static int s_ign_eof = 0;
240 static int s_brief = 0;
242 static char *keymatexportlabel = NULL;
243 static int keymatexportlen = 20;
245 static int async = 0;
246 static unsigned int split_send_fragment = 0;
247 static unsigned int max_pipelines = 0;
249 #ifndef OPENSSL_NO_ENGINE
250 static char *engine_id = NULL;
252 static const char *session_id_prefix = NULL;
254 #ifndef OPENSSL_NO_DTLS
255 static int enable_timeouts = 0;
256 static long socket_mtu;
257 static int cert_chain = 0;
259 static int dtlslisten = 0;
261 static BIO *serverinfo_in = NULL;
262 static const char *s_serverinfo_file = NULL;
264 #ifndef OPENSSL_NO_PSK
265 static char *psk_identity = "Client_identity";
266 char *psk_key = NULL; /* by default PSK is not used */
268 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
270 unsigned int max_psk_len)
272 unsigned int psk_len = 0;
277 BIO_printf(bio_s_out, "psk_server_cb\n");
279 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
283 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
284 (int)strlen(identity), identity);
286 /* here we could lookup the given identity e.g. from a database */
287 if (strcmp(identity, psk_identity) != 0) {
288 BIO_printf(bio_s_out, "PSK error: client identity not found"
289 " (got '%s' expected '%s')\n", identity, psk_identity);
293 BIO_printf(bio_s_out, "PSK client identity found\n");
295 /* convert the PSK key to binary */
296 ret = BN_hex2bn(&bn, psk_key);
298 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
303 if (BN_num_bytes(bn) > (int)max_psk_len) {
305 "psk buffer of callback is too small (%d) for key (%d)\n",
306 max_psk_len, BN_num_bytes(bn));
311 ret = BN_bn2bin(bn, psk);
316 psk_len = (unsigned int)ret;
319 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
323 BIO_printf(bio_err, "Error in PSK server callback\n");
324 (void)BIO_flush(bio_err);
325 (void)BIO_flush(bio_s_out);
330 #ifndef OPENSSL_NO_SRP
331 /* This is a context that we pass to callbacks */
332 typedef struct srpsrvparm_st {
339 * This callback pretends to require some asynchronous logic in order to
340 * obtain a verifier. When the callback is called for a new connection we
341 * return with a negative value. This will provoke the accept etc to return
342 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
343 * (which would normally occur after a worker has finished) and we set the
346 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
348 srpsrvparm *p = (srpsrvparm *) arg;
349 int ret = SSL3_AL_FATAL;
351 if (p->login == NULL && p->user == NULL) {
352 p->login = SSL_get_srp_username(s);
353 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
357 if (p->user == NULL) {
358 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
362 if (SSL_set_srp_server_param
363 (s, p->user->N, p->user->g, p->user->s, p->user->v,
364 p->user->info) < 0) {
365 *ad = SSL_AD_INTERNAL_ERROR;
369 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
370 p->login, p->user->info);
371 ret = SSL_ERROR_NONE;
374 SRP_user_pwd_free(p->user);
382 static void s_server_init(void)
386 s_server_verify = SSL_VERIFY_NONE;
389 s_dchain_file = NULL;
390 s_cert_file = TEST_CERT;
393 s_cert_file2 = TEST_CERT2;
406 split_send_fragment = 0;
408 #ifndef OPENSSL_NO_ENGINE
413 static int local_argc = 0;
414 static char **local_argv;
416 #ifdef CHARSET_EBCDIC
417 static int ebcdic_new(BIO *bi);
418 static int ebcdic_free(BIO *a);
419 static int ebcdic_read(BIO *b, char *out, int outl);
420 static int ebcdic_write(BIO *b, const char *in, int inl);
421 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
422 static int ebcdic_gets(BIO *bp, char *buf, int size);
423 static int ebcdic_puts(BIO *bp, const char *str);
425 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
426 static BIO_METHOD *methods_ebcdic = NULL;
428 /* This struct is "unwarranted chumminess with the compiler." */
434 static const BIO_METHOD *BIO_f_ebcdic_filter()
436 if (methods_ebcdic == NULL) {
437 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
438 "EBCDIC/ASCII filter");
439 if ( methods_ebcdic == NULL
440 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
441 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
442 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
443 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
444 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
445 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
446 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
449 return methods_ebcdic;
452 static int ebcdic_new(BIO *bi)
454 EBCDIC_OUTBUFF *wbuf;
456 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
457 wbuf->alloced = 1024;
458 wbuf->buff[0] = '\0';
460 BIO_set_data(bi, wbuf);
465 static int ebcdic_free(BIO *a)
467 EBCDIC_OUTBUFF *wbuf;
471 wbuf = BIO_get_data(a);
473 BIO_set_data(a, NULL);
479 static int ebcdic_read(BIO *b, char *out, int outl)
482 BIO *next = BIO_next(b);
484 if (out == NULL || outl == 0)
489 ret = BIO_read(next, out, outl);
491 ascii2ebcdic(out, out, ret);
495 static int ebcdic_write(BIO *b, const char *in, int inl)
497 EBCDIC_OUTBUFF *wbuf;
498 BIO *next = BIO_next(b);
502 if ((in == NULL) || (inl <= 0))
507 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
509 if (inl > (num = wbuf->alloced)) {
510 num = num + num; /* double the size */
514 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
517 wbuf->buff[0] = '\0';
519 BIO_set_data(b, wbuf);
522 ebcdic2ascii(wbuf->buff, in, inl);
524 ret = BIO_write(next, wbuf->buff, inl);
529 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
532 BIO *next = BIO_next(b);
541 ret = BIO_ctrl(next, cmd, num, ptr);
547 static int ebcdic_gets(BIO *bp, char *buf, int size)
550 BIO *next = BIO_next(bp);
554 /* return(BIO_gets(bp->next_bio,buf,size));*/
555 for (i = 0; i < size - 1; ++i) {
556 ret = ebcdic_read(bp, &buf[i], 1);
559 else if (buf[i] == '\n') {
566 return (ret < 0 && i == 0) ? ret : i;
569 static int ebcdic_puts(BIO *bp, const char *str)
571 if (BIO_next(bp) == NULL)
573 return ebcdic_write(bp, str, strlen(str));
577 /* This is a context that we pass to callbacks */
578 typedef struct tlsextctx_st {
584 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
586 tlsextctx *p = (tlsextctx *) arg;
587 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
588 if (servername && p->biodebug)
589 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
593 return SSL_TLSEXT_ERR_NOACK;
596 if (strcasecmp(servername, p->servername))
597 return p->extension_error;
599 BIO_printf(p->biodebug, "Switching server context.\n");
600 SSL_set_SSL_CTX(s, ctx2);
603 return SSL_TLSEXT_ERR_OK;
606 /* Structure passed to cert status callback */
608 typedef struct tlsextstatusctx_st {
609 /* Default responder to use */
610 char *host, *path, *port;
616 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 };
618 #ifndef OPENSSL_NO_OCSP
620 * Certificate Status callback. This is called when a client includes a
621 * certificate status request extension. This is a simplified version. It
622 * examines certificates each time and makes one OCSP responder query for
623 * each request. A full version would store details such as the OCSP
624 * certificate IDs and minimise the number of OCSP responses by caching them
625 * until they were considered "expired".
628 static int cert_status_cb(SSL *s, void *arg)
630 tlsextstatusctx *srctx = arg;
631 char *host = NULL, *port = NULL, *path = NULL;
633 unsigned char *rspder = NULL;
635 STACK_OF(OPENSSL_STRING) *aia = NULL;
637 X509_STORE_CTX *inctx = NULL;
639 OCSP_REQUEST *req = NULL;
640 OCSP_RESPONSE *resp = NULL;
641 OCSP_CERTID *id = NULL;
642 STACK_OF(X509_EXTENSION) *exts;
643 int ret = SSL_TLSEXT_ERR_NOACK;
647 BIO_puts(bio_err, "cert_status: callback called\n");
648 /* Build up OCSP query from server certificate */
649 x = SSL_get_certificate(s);
650 aia = X509_get1_ocsp(x);
652 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
653 &host, &port, &path, &use_ssl)) {
654 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
658 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
659 sk_OPENSSL_STRING_value(aia, 0));
663 "cert_status: no AIA and no default responder URL\n");
669 use_ssl = srctx->use_ssl;
672 inctx = X509_STORE_CTX_new();
675 if (!X509_STORE_CTX_init(inctx,
676 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
679 obj = X509_STORE_get_X509_by_subject(inctx, X509_LU_X509,
680 X509_get_issuer_name(x));
682 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
685 req = OCSP_REQUEST_new();
688 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
689 X509_OBJECT_free(obj);
692 if (!OCSP_request_add0_id(req, id))
695 /* Add any extensions to the request */
696 SSL_get_tlsext_status_exts(s, &exts);
697 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
698 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
699 if (!OCSP_REQUEST_add_ext(req, ext, -1))
702 resp = process_responder(req, host, path, port, use_ssl, NULL,
705 BIO_puts(bio_err, "cert_status: error querying responder\n");
708 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
711 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
712 if (srctx->verbose) {
713 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
714 OCSP_RESPONSE_print(bio_err, resp, 2);
716 ret = SSL_TLSEXT_ERR_OK;
720 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
722 if (ret != SSL_TLSEXT_ERR_OK)
723 ERR_print_errors(bio_err);
728 X509_email_free(aia);
730 OCSP_CERTID_free(id);
731 OCSP_REQUEST_free(req);
732 OCSP_RESPONSE_free(resp);
733 X509_STORE_CTX_free(inctx);
738 #ifndef OPENSSL_NO_NEXTPROTONEG
739 /* This is the context that we pass to next_proto_cb */
740 typedef struct tlsextnextprotoctx_st {
743 } tlsextnextprotoctx;
745 static int next_proto_cb(SSL *s, const unsigned char **data,
746 unsigned int *len, void *arg)
748 tlsextnextprotoctx *next_proto = arg;
750 *data = next_proto->data;
751 *len = next_proto->len;
753 return SSL_TLSEXT_ERR_OK;
755 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
757 /* This the context that we pass to alpn_cb */
758 typedef struct tlsextalpnctx_st {
763 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
764 const unsigned char *in, unsigned int inlen, void *arg)
766 tlsextalpnctx *alpn_ctx = arg;
769 /* We can assume that |in| is syntactically valid. */
771 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
772 for (i = 0; i < inlen;) {
774 BIO_write(bio_s_out, ", ", 2);
775 BIO_write(bio_s_out, &in[i + 1], in[i]);
778 BIO_write(bio_s_out, "\n", 1);
781 if (SSL_select_next_proto
782 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
783 inlen) != OPENSSL_NPN_NEGOTIATED) {
784 return SSL_TLSEXT_ERR_NOACK;
788 BIO_printf(bio_s_out, "ALPN protocols selected: ");
789 BIO_write(bio_s_out, *out, *outlen);
790 BIO_write(bio_s_out, "\n", 1);
793 return SSL_TLSEXT_ERR_OK;
796 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
798 /* disable resumption for sessions with forward secure ciphers */
799 return is_forward_secure;
802 #ifndef OPENSSL_NO_SRP
803 static srpsrvparm srp_callback_parm;
805 #ifndef OPENSSL_NO_SRTP
806 static char *srtp_profiles = NULL;
809 typedef enum OPTION_choice {
810 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
811 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
812 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
813 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
814 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
815 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
816 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
817 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
818 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
819 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
820 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
821 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE,
822 OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF,
823 OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
824 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
825 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
826 OPT_SSL_CONFIG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
827 OPT_SSL3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
828 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_CHAIN, OPT_LISTEN,
829 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
830 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
831 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
837 OPTIONS s_server_options[] = {
838 {"help", OPT_HELP, '-', "Display this summary"},
839 {"port", OPT_PORT, 'p',
840 "TCP/IP port to listen on for connections (default is " PORT ")"},
841 {"accept", OPT_ACCEPT, 's',
842 "TCP/IP optional host and port to accept on (default is " PORT ")"},
844 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
846 {"4", OPT_4, '-', "Use IPv4 only"},
847 {"6", OPT_6, '-', "Use IPv6 only"},
849 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
851 {"context", OPT_CONTEXT, 's', "Set session ID context"},
852 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
853 {"Verify", OPT_UPPER_V_VERIFY, 'n',
854 "Turn on peer certificate verification, must have a cert"},
855 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
856 {"naccept", OPT_NACCEPT, 'p', "Terminate after pnum connections"},
857 {"serverinfo", OPT_SERVERINFO, 's',
858 "PEM serverinfo file for certificate"},
859 {"certform", OPT_CERTFORM, 'F',
860 "Certificate format (PEM or DER) PEM default"},
861 {"key", OPT_KEY, '<',
862 "Private Key if not in -cert; default is " TEST_CERT},
863 {"keyform", OPT_KEYFORM, 'f',
864 "Key format (PEM, DER or ENGINE) PEM default"},
865 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
866 {"dcert", OPT_DCERT, '<',
867 "Second certificate file to use (usually for DSA)"},
868 {"dcertform", OPT_DCERTFORM, 'F',
869 "Second certificate format (PEM or DER) PEM default"},
870 {"dkey", OPT_DKEY, '<',
871 "Second private key file to use (usually for DSA)"},
872 {"dkeyform", OPT_DKEYFORM, 'F',
873 "Second key format (PEM, DER or ENGINE) PEM default"},
874 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
875 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
876 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
877 {"debug", OPT_DEBUG, '-', "Print more output"},
878 {"msg", OPT_MSG, '-', "Show protocol messages"},
879 {"msgfile", OPT_MSGFILE, '>',
880 "File to send output of -msg or -trace, instead of stdout"},
881 {"state", OPT_STATE, '-', "Print the SSL states"},
882 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
883 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
884 {"no-CAfile", OPT_NOCAFILE, '-',
885 "Do not load the default certificates file"},
886 {"no-CApath", OPT_NOCAPATH, '-',
887 "Do not load certificates from the default certificates directory"},
888 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
889 {"quiet", OPT_QUIET, '-', "No server output"},
890 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
891 "Disable caching and tickets if ephemeral (EC)DH is used"},
892 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
893 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
894 {"servername", OPT_SERVERNAME, 's',
895 "Servername for HostName TLS extension"},
896 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
897 "mismatch send fatal alert (default warning alert)"},
898 {"cert2", OPT_CERT2, '<',
899 "Certificate file to use for servername; default is" TEST_CERT2},
900 {"key2", OPT_KEY2, '<',
901 "-Private Key file to use for servername if not in -cert2"},
902 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
903 "Hex dump of all TLS extensions received"},
904 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path incluedes HTTP headers"},
905 {"id_prefix", OPT_ID_PREFIX, 's',
906 "Generate SSL/TLS session IDs prefixed by arg"},
907 {"rand", OPT_RAND, 's',
908 "Load the file(s) into the random number generator"},
909 {"keymatexport", OPT_KEYMATEXPORT, 's',
910 "Export keying material using label"},
911 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
912 "Export len bytes of keying material (default 20)"},
913 {"CRL", OPT_CRL, '<', "CRL file to use"},
914 {"crl_download", OPT_CRL_DOWNLOAD, '-',
915 "Download CRL from distribution points"},
916 {"cert_chain", OPT_CERT_CHAIN, '<',
917 "certificate chain file in PEM format"},
918 {"dcert_chain", OPT_DCERT_CHAIN, '<',
919 "second certificate chain file in PEM format"},
920 {"chainCApath", OPT_CHAINCAPATH, '/',
921 "use dir as certificate store path to build CA certificate chain"},
922 {"verifyCApath", OPT_VERIFYCAPATH, '/',
923 "use dir as certificate store path to verify CA certificate"},
924 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
925 {"ext_cache", OPT_EXT_CACHE, '-',
926 "Disable internal cache, setup and use external cache"},
927 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default" },
928 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
929 "Close connection on verification error"},
930 {"verify_quiet", OPT_VERIFY_QUIET, '-',
931 "No verify output except verify errors"},
932 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
933 {"chainCAfile", OPT_CHAINCAFILE, '<',
934 "CA file for certificate chain (PEM format)"},
935 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
936 "CA file for certificate verification (PEM format)"},
937 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
938 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
939 #ifndef OPENSSL_NO_OCSP
940 {"status", OPT_STATUS, '-', "Request certificate status from server"},
941 {"status_verbose", OPT_STATUS_VERBOSE, '-',
942 "Print more output in certificate status callback"},
943 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
944 "Status request responder timeout"},
945 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
947 #ifndef OPENSSL_NO_SSL_TRACE
948 {"trace", OPT_TRACE, '-', "trace protocol messages"},
950 {"security_debug", OPT_SECURITY_DEBUG, '-',
951 "Print output from SSL/TLS security framework"},
952 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
953 "Print more output from SSL/TLS security framework"},
954 {"brief", OPT_BRIEF, '-', \
955 "Restrict output to brief summary of connection parameters"},
956 {"rev", OPT_REV, '-',
957 "act as a simple test server which just sends back with the received text reversed"},
958 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
959 {"ssl_config", OPT_SSL_CONFIG, 's', \
960 "Configure SSL_CTX using the configuration 'val'"},
961 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
962 "Size used to split data for encrypt pipelines"},
963 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
964 "Maximum number of encrypt/decrypt pipelines to be used"},
965 {"read_buf", OPT_READ_BUF, 'n',
966 "Default read buffer size to be used for connections"},
970 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
971 #ifndef OPENSSL_NO_PSK
972 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
973 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
975 #ifndef OPENSSL_NO_SRP
976 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
977 {"srpuserseed", OPT_SRPUSERSEED, 's',
978 "A seed string for a default user salt"},
980 #ifndef OPENSSL_NO_SSL3
981 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
983 #ifndef OPENSSL_NO_TLS1
984 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
986 #ifndef OPENSSL_NO_TLS1_1
987 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
989 #ifndef OPENSSL_NO_TLS1_2
990 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
992 #ifndef OPENSSL_NO_DTLS
993 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
994 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
995 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
996 {"chain", OPT_CHAIN, '-', "Read a certificate chain"},
997 {"listen", OPT_LISTEN, '-',
998 "Listen for a DTLS ClientHello with a cookie and then connect"},
1000 #ifndef OPENSSL_NO_DTLS1
1001 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
1003 #ifndef OPENSSL_NO_DTLS1_2
1004 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
1006 #ifndef OPENSSL_NO_DH
1007 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
1009 #ifndef OPENSSL_NO_NEXTPROTONEG
1010 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
1011 "Set the advertised protocols for the NPN extension (comma-separated list)"},
1013 #ifndef OPENSSL_NO_SRTP
1014 {"use_srtp", OPT_SRTP_PROFILES, 's',
1015 "Offer SRTP key management with a colon-separated profile list"},
1017 {"alpn", OPT_ALPN, 's',
1018 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
1019 #ifndef OPENSSL_NO_ENGINE
1020 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
1025 int s_server_main(int argc, char *argv[])
1028 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1029 SSL_CONF_CTX *cctx = NULL;
1030 const SSL_METHOD *meth = TLS_server_method();
1031 SSL_EXCERT *exc = NULL;
1032 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1033 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1034 STACK_OF(X509_CRL) *crls = NULL;
1035 X509 *s_cert = NULL, *s_dcert = NULL;
1036 X509_VERIFY_PARAM *vpm = NULL;
1037 char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
1038 #ifndef OPENSSL_NO_DH
1039 char *dhfile = NULL;
1041 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
1042 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
1043 char *crl_file = NULL, *prog;
1044 #ifndef OPENSSL_NO_PSK
1048 int unlink_unix_path = 0;
1050 do_server_cb server_cb;
1051 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
1052 #ifndef OPENSSL_NO_DH
1055 int nocert = 0, ret = 1;
1056 int noCApath = 0, noCAfile = 0;
1057 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1058 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1059 int rev = 0, naccept = -1, sdebug = 0;
1060 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
1061 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1063 char *port = BUF_strdup(PORT);
1064 unsigned char *context = NULL;
1066 EVP_PKEY *s_key2 = NULL;
1067 X509 *s_cert2 = NULL;
1068 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1069 const char *ssl_config = NULL;
1070 int read_buf_len = 0;
1071 #ifndef OPENSSL_NO_NEXTPROTONEG
1072 const char *next_proto_neg_in = NULL;
1073 tlsextnextprotoctx next_proto = { NULL, 0 };
1075 const char *alpn_in = NULL;
1076 tlsextalpnctx alpn_ctx = { NULL, 0 };
1077 #ifndef OPENSSL_NO_PSK
1078 /* by default do not send a PSK identity hint */
1079 static char *psk_identity_hint = NULL;
1081 #ifndef OPENSSL_NO_SRP
1082 char *srpuserseed = NULL;
1083 char *srp_verifier_file = NULL;
1085 int min_version = 0, max_version = 0;
1091 cctx = SSL_CONF_CTX_new();
1092 vpm = X509_VERIFY_PARAM_new();
1093 if (cctx == NULL || vpm == NULL)
1095 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1097 prog = opt_init(argc, argv, s_server_options);
1098 while ((o = opt_next()) != OPT_EOF) {
1103 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1106 opt_help(s_server_options);
1112 if (socket_family == AF_UNIX) {
1113 OPENSSL_free(host); host = NULL;
1114 OPENSSL_free(port); port = NULL;
1117 socket_family = AF_INET;
1123 if (socket_family == AF_UNIX) {
1124 OPENSSL_free(host); host = NULL;
1125 OPENSSL_free(port); port = NULL;
1128 socket_family = AF_INET6;
1131 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1137 if (socket_family == AF_UNIX) {
1138 socket_family = AF_UNSPEC;
1141 OPENSSL_free(port); port = NULL;
1142 OPENSSL_free(host); host = NULL;
1143 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1145 "%s: -port argument malformed or ambiguous\n",
1152 if (socket_family == AF_UNIX) {
1153 socket_family = AF_UNSPEC;
1156 OPENSSL_free(port); port = NULL;
1157 OPENSSL_free(host); host = NULL;
1158 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1160 "%s: -accept argument malformed or ambiguous\n",
1167 socket_family = AF_UNIX;
1168 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1169 OPENSSL_free(port); port = NULL;
1172 unlink_unix_path = 1;
1176 naccept = atol(opt_arg());
1179 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1180 verify_depth = atoi(opt_arg());
1182 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1184 case OPT_UPPER_V_VERIFY:
1186 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1187 SSL_VERIFY_CLIENT_ONCE;
1188 verify_depth = atoi(opt_arg());
1191 "verify depth is %d, must return a certificate\n",
1195 context = (unsigned char *)opt_arg();
1198 s_cert_file = opt_arg();
1201 crl_file = opt_arg();
1203 case OPT_CRL_DOWNLOAD:
1206 case OPT_SERVERINFO:
1207 s_serverinfo_file = opt_arg();
1210 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1214 s_key_file = opt_arg();
1217 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1221 passarg = opt_arg();
1223 case OPT_CERT_CHAIN:
1224 s_chain_file = opt_arg();
1227 #ifndef OPENSSL_NO_DH
1232 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1236 s_dcert_file = opt_arg();
1239 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1243 dpassarg = opt_arg();
1246 s_dkey_file = opt_arg();
1248 case OPT_DCERT_CHAIN:
1249 s_dchain_file = opt_arg();
1260 case OPT_CHAINCAPATH:
1261 chCApath = opt_arg();
1263 case OPT_VERIFYCAPATH:
1264 vfyCApath = opt_arg();
1273 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1277 if (ssl_args == NULL)
1278 ssl_args = sk_OPENSSL_STRING_new_null();
1279 if (ssl_args == NULL
1280 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1281 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1282 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1287 if (!opt_verify(o, vpm))
1292 if (!args_excert(o, &exc))
1295 case OPT_VERIFY_RET_ERROR:
1296 verify_return_error = 1;
1298 case OPT_VERIFY_QUIET:
1301 case OPT_BUILD_CHAIN:
1310 case OPT_CHAINCAFILE:
1311 chCAfile = opt_arg();
1313 case OPT_VERIFYCAFILE:
1314 vfyCAfile = opt_arg();
1320 s_nbio = s_nbio_test = 1;
1325 case OPT_NO_IGN_EOF:
1331 case OPT_TLSEXTDEBUG:
1337 case OPT_STATUS_VERBOSE:
1338 s_tlsextstatus = tlscstatp.verbose = 1;
1340 case OPT_STATUS_TIMEOUT:
1342 tlscstatp.timeout = atoi(opt_arg());
1344 case OPT_STATUS_URL:
1345 #ifndef OPENSSL_NO_OCSP
1347 if (!OCSP_parse_url(opt_arg(),
1350 &tlscstatp.path, &tlscstatp.use_ssl)) {
1351 BIO_printf(bio_err, "Error parsing URL\n");
1360 bio_s_msg = BIO_new_file(opt_arg(), "w");
1363 #ifndef OPENSSL_NO_SSL_TRACE
1367 case OPT_SECURITY_DEBUG:
1370 case OPT_SECURITY_DEBUG_VERBOSE:
1383 s_quiet = s_brief = verify_quiet = 1;
1386 #ifndef OPENSSL_NO_DH
1390 case OPT_NO_RESUME_EPHEMERAL:
1391 no_resume_ephemeral = 1;
1394 #ifndef OPENSSL_NO_PSK
1395 psk_identity_hint = opt_arg();
1399 #ifndef OPENSSL_NO_PSK
1400 for (p = psk_key = opt_arg(); *p; p++) {
1401 if (isxdigit(_UC(*p)))
1403 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1409 #ifndef OPENSSL_NO_SRP
1410 srp_verifier_file = opt_arg();
1411 if (min_version < TLS1_VERSION)
1412 min_version = TLS1_VERSION;
1415 case OPT_SRPUSERSEED:
1416 #ifndef OPENSSL_NO_SRP
1417 srpuserseed = opt_arg();
1418 if (min_version < TLS1_VERSION)
1419 min_version = TLS1_VERSION;
1434 case OPT_SSL_CONFIG:
1435 ssl_config = opt_arg();
1438 min_version = SSL3_VERSION;
1439 max_version = SSL3_VERSION;
1442 min_version = TLS1_2_VERSION;
1443 max_version = TLS1_2_VERSION;
1446 min_version = TLS1_1_VERSION;
1447 max_version = TLS1_1_VERSION;
1450 min_version = TLS1_VERSION;
1451 max_version = TLS1_VERSION;
1454 #ifndef OPENSSL_NO_DTLS
1455 meth = DTLS_server_method();
1456 socket_type = SOCK_DGRAM;
1460 #ifndef OPENSSL_NO_DTLS
1461 meth = DTLS_server_method();
1462 min_version = DTLS1_VERSION;
1463 max_version = DTLS1_VERSION;
1464 socket_type = SOCK_DGRAM;
1468 #ifndef OPENSSL_NO_DTLS
1469 meth = DTLS_server_method();
1470 min_version = DTLS1_2_VERSION;
1471 max_version = DTLS1_2_VERSION;
1472 socket_type = SOCK_DGRAM;
1476 #ifndef OPENSSL_NO_DTLS
1477 enable_timeouts = 1;
1481 #ifndef OPENSSL_NO_DTLS
1482 socket_mtu = atol(opt_arg());
1486 #ifndef OPENSSL_NO_DTLS
1491 #ifndef OPENSSL_NO_DTLS
1496 session_id_prefix = opt_arg();
1499 e = setup_engine(opt_arg(), 1);
1504 case OPT_SERVERNAME:
1505 tlsextcbp.servername = opt_arg();
1507 case OPT_SERVERNAME_FATAL:
1508 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1511 s_cert_file2 = opt_arg();
1514 s_key_file2 = opt_arg();
1516 case OPT_NEXTPROTONEG:
1517 # ifndef OPENSSL_NO_NEXTPROTONEG
1518 next_proto_neg_in = opt_arg();
1522 alpn_in = opt_arg();
1524 case OPT_SRTP_PROFILES:
1525 #ifndef OPENSSL_NO_SRTP
1526 srtp_profiles = opt_arg();
1529 case OPT_KEYMATEXPORT:
1530 keymatexportlabel = opt_arg();
1532 case OPT_KEYMATEXPORTLEN:
1533 keymatexportlen = atoi(opt_arg());
1538 case OPT_SPLIT_SEND_FRAG:
1539 split_send_fragment = atoi(opt_arg());
1540 if (split_send_fragment == 0) {
1542 * Not allowed - set to a deliberately bad value so we get an
1543 * error message below
1545 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1548 case OPT_MAX_PIPELINES:
1549 max_pipelines = atoi(opt_arg());
1552 read_buf_len = atoi(opt_arg());
1557 argc = opt_num_rest();
1560 #ifndef OPENSSL_NO_DTLS
1561 if (www && socket_type == SOCK_DGRAM) {
1562 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1566 if (dtlslisten && socket_type != SOCK_DGRAM) {
1567 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1573 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1575 "Can't use unix sockets and datagrams together\n");
1580 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1581 BIO_printf(bio_err, "Bad split send fragment size\n");
1585 if (max_pipelines > SSL_MAX_PIPELINES) {
1586 BIO_printf(bio_err, "Bad max pipelines value\n");
1590 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1591 BIO_printf(bio_err, "Error getting password\n");
1595 if (s_key_file == NULL)
1596 s_key_file = s_cert_file;
1598 if (s_key_file2 == NULL)
1599 s_key_file2 = s_cert_file2;
1601 if (!load_excert(&exc))
1605 s_key = load_key(s_key_file, s_key_format, 0, pass, e,
1606 "server certificate private key file");
1608 ERR_print_errors(bio_err);
1612 s_cert = load_cert(s_cert_file, s_cert_format,
1613 "server certificate file");
1616 ERR_print_errors(bio_err);
1620 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1621 "server certificate chain"))
1625 if (tlsextcbp.servername) {
1626 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, e,
1627 "second server certificate private key file");
1629 ERR_print_errors(bio_err);
1633 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1634 "second server certificate file");
1637 ERR_print_errors(bio_err);
1642 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1643 if (next_proto_neg_in) {
1645 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1646 if (next_proto.data == NULL)
1648 next_proto.len = len;
1650 next_proto.data = NULL;
1653 alpn_ctx.data = NULL;
1656 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1657 if (alpn_ctx.data == NULL)
1664 crl = load_crl(crl_file, crl_format);
1666 BIO_puts(bio_err, "Error loading CRL\n");
1667 ERR_print_errors(bio_err);
1670 crls = sk_X509_CRL_new_null();
1671 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1672 BIO_puts(bio_err, "Error adding CRL\n");
1673 ERR_print_errors(bio_err);
1681 if (s_dkey_file == NULL)
1682 s_dkey_file = s_dcert_file;
1684 s_dkey = load_key(s_dkey_file, s_dkey_format,
1685 0, dpass, e, "second certificate private key file");
1687 ERR_print_errors(bio_err);
1691 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1692 "second server certificate file");
1695 ERR_print_errors(bio_err);
1698 if (s_dchain_file) {
1699 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1700 "second server certificate chain"))
1706 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1707 && !RAND_status()) {
1709 "warning, not much extra random data, consider using the -rand option\n");
1712 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1713 app_RAND_load_files(inrand));
1715 if (bio_s_out == NULL) {
1716 if (s_quiet && !s_debug) {
1717 bio_s_out = BIO_new(BIO_s_null());
1718 if (s_msg && !bio_s_msg)
1719 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1721 if (bio_s_out == NULL)
1722 bio_s_out = dup_bio_out(FORMAT_TEXT);
1725 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1731 s_dcert_file = NULL;
1733 s_cert_file2 = NULL;
1737 ctx = SSL_CTX_new(meth);
1739 ERR_print_errors(bio_err);
1743 ssl_ctx_security_debug(ctx, sdebug);
1745 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1746 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1748 ERR_print_errors(bio_err);
1752 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1754 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1757 if (session_id_prefix) {
1758 if (strlen(session_id_prefix) >= 32)
1760 "warning: id_prefix is too long, only one new session will be possible\n");
1761 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1762 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1763 ERR_print_errors(bio_err);
1766 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1768 SSL_CTX_set_quiet_shutdown(ctx, 1);
1770 ssl_ctx_set_excert(ctx, exc);
1773 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1775 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1777 init_session_cache_ctx(ctx);
1779 SSL_CTX_sess_set_cache_size(ctx, 128);
1782 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1784 if (split_send_fragment > 0) {
1785 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1787 if (max_pipelines > 0) {
1788 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1791 if (read_buf_len > 0) {
1792 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1795 #ifndef OPENSSL_NO_SRTP
1796 if (srtp_profiles != NULL) {
1797 /* Returns 0 on success! */
1798 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1799 BIO_printf(bio_err, "Error setting SRTP profile\n");
1800 ERR_print_errors(bio_err);
1806 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1807 ERR_print_errors(bio_err);
1810 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1811 BIO_printf(bio_err, "Error setting verify params\n");
1812 ERR_print_errors(bio_err);
1816 ssl_ctx_add_crls(ctx, crls, 0);
1817 if (!config_ctx(cctx, ssl_args, ctx))
1820 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1821 crls, crl_download)) {
1822 BIO_printf(bio_err, "Error loading store locations\n");
1823 ERR_print_errors(bio_err);
1828 ctx2 = SSL_CTX_new(meth);
1830 ERR_print_errors(bio_err);
1836 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1839 ssl_ctx_security_debug(ctx, sdebug);
1841 if (session_id_prefix) {
1842 if (strlen(session_id_prefix) >= 32)
1844 "warning: id_prefix is too long, only one new session will be possible\n");
1845 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1846 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1847 ERR_print_errors(bio_err);
1850 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1852 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1854 ssl_ctx_set_excert(ctx2, exc);
1857 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1860 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1862 init_session_cache_ctx(ctx2);
1864 SSL_CTX_sess_set_cache_size(ctx2, 128);
1867 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1869 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1870 (!SSL_CTX_set_default_verify_paths(ctx2))) {
1871 ERR_print_errors(bio_err);
1873 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1874 BIO_printf(bio_err, "Error setting verify params\n");
1875 ERR_print_errors(bio_err);
1879 ssl_ctx_add_crls(ctx2, crls, 0);
1880 if (!config_ctx(cctx, ssl_args, ctx2))
1883 #ifndef OPENSSL_NO_NEXTPROTONEG
1884 if (next_proto.data)
1885 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1889 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1891 #ifndef OPENSSL_NO_DH
1896 dh = load_dh_param(dhfile);
1897 else if (s_cert_file)
1898 dh = load_dh_param(s_cert_file);
1901 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1903 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1905 (void)BIO_flush(bio_s_out);
1908 SSL_CTX_set_dh_auto(ctx, 1);
1909 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1910 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1911 ERR_print_errors(bio_err);
1918 DH *dh2 = load_dh_param(s_cert_file2);
1920 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1921 (void)BIO_flush(bio_s_out);
1928 SSL_CTX_set_dh_auto(ctx2, 1);
1929 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1930 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1931 ERR_print_errors(bio_err);
1940 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1943 if (s_serverinfo_file != NULL
1944 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1945 ERR_print_errors(bio_err);
1949 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1952 if (s_dcert != NULL) {
1953 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1957 if (no_resume_ephemeral) {
1958 SSL_CTX_set_not_resumable_session_callback(ctx,
1959 not_resumable_sess_cb);
1962 SSL_CTX_set_not_resumable_session_callback(ctx2,
1963 not_resumable_sess_cb);
1965 #ifndef OPENSSL_NO_PSK
1966 if (psk_key != NULL) {
1968 BIO_printf(bio_s_out,
1969 "PSK key given, setting server callback\n");
1970 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1973 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1974 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1975 ERR_print_errors(bio_err);
1980 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1981 if (!SSL_CTX_set_session_id_context(ctx,
1982 (void *)&s_server_session_id_context,
1983 sizeof s_server_session_id_context)) {
1984 BIO_printf(bio_err, "error setting session id context\n");
1985 ERR_print_errors(bio_err);
1989 /* Set DTLS cookie generation and verification callbacks */
1990 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1991 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1994 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1995 if (!SSL_CTX_set_session_id_context(ctx2,
1996 (void *)&s_server_session_id_context,
1997 sizeof s_server_session_id_context)) {
1998 BIO_printf(bio_err, "error setting session id context\n");
1999 ERR_print_errors(bio_err);
2002 tlsextcbp.biodebug = bio_s_out;
2003 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2004 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2005 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2006 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2009 #ifndef OPENSSL_NO_SRP
2010 if (srp_verifier_file != NULL) {
2011 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2012 srp_callback_parm.user = NULL;
2013 srp_callback_parm.login = NULL;
2015 SRP_VBASE_init(srp_callback_parm.vb,
2016 srp_verifier_file)) != SRP_NO_ERROR) {
2018 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2019 srp_verifier_file, ret);
2022 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2023 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2024 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2027 if (CAfile != NULL) {
2028 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2031 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2033 #ifndef OPENSSL_NO_OCSP
2034 if (s_tlsextstatus) {
2035 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2036 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2038 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2039 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2044 BIO_printf(bio_s_out, "ACCEPT\n");
2045 (void)BIO_flush(bio_s_out);
2047 server_cb = rev_body;
2049 server_cb = www_body;
2051 server_cb = sv_body;
2053 if (socket_family == AF_UNIX
2054 && unlink_unix_path)
2057 do_server(&accept_socket, host, port, socket_family, socket_type,
2058 server_cb, context, naccept);
2059 print_stats(bio_s_out, ctx);
2064 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2066 EVP_PKEY_free(s_key);
2067 EVP_PKEY_free(s_dkey);
2068 sk_X509_pop_free(s_chain, X509_free);
2069 sk_X509_pop_free(s_dchain, X509_free);
2071 OPENSSL_free(dpass);
2074 X509_VERIFY_PARAM_free(vpm);
2076 OPENSSL_free(tlscstatp.host);
2077 OPENSSL_free(tlscstatp.port);
2078 OPENSSL_free(tlscstatp.path);
2081 EVP_PKEY_free(s_key2);
2082 BIO_free(serverinfo_in);
2083 #ifndef OPENSSL_NO_NEXTPROTONEG
2084 OPENSSL_free(next_proto.data);
2086 OPENSSL_free(alpn_ctx.data);
2087 ssl_excert_free(exc);
2088 sk_OPENSSL_STRING_free(ssl_args);
2089 SSL_CONF_CTX_free(cctx);
2090 BIO_free(bio_s_out);
2092 BIO_free(bio_s_msg);
2094 #ifdef CHARSET_EBCDIC
2095 BIO_meth_free(methods_ebcdic);
2100 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2102 BIO_printf(bio, "%4ld items in the session cache\n",
2103 SSL_CTX_sess_number(ssl_ctx));
2104 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2105 SSL_CTX_sess_connect(ssl_ctx));
2106 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2107 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2108 BIO_printf(bio, "%4ld client connects that finished\n",
2109 SSL_CTX_sess_connect_good(ssl_ctx));
2110 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2111 SSL_CTX_sess_accept(ssl_ctx));
2112 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2113 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2114 BIO_printf(bio, "%4ld server accepts that finished\n",
2115 SSL_CTX_sess_accept_good(ssl_ctx));
2116 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2117 BIO_printf(bio, "%4ld session cache misses\n",
2118 SSL_CTX_sess_misses(ssl_ctx));
2119 BIO_printf(bio, "%4ld session cache timeouts\n",
2120 SSL_CTX_sess_timeouts(ssl_ctx));
2121 BIO_printf(bio, "%4ld callback cache hits\n",
2122 SSL_CTX_sess_cb_hits(ssl_ctx));
2123 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2124 SSL_CTX_sess_cache_full(ssl_ctx),
2125 SSL_CTX_sess_get_cache_size(ssl_ctx));
2128 static int sv_body(int s, int stype, unsigned char *context)
2137 struct timeval timeout;
2138 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2141 struct timeval *timeoutp;
2144 buf = app_malloc(bufsize, "server buffer");
2146 if (!BIO_socket_nbio(s, 1))
2147 ERR_print_errors(bio_err);
2149 BIO_printf(bio_err, "Turned on non blocking io\n");
2155 if (s_tlsextdebug) {
2156 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2157 SSL_set_tlsext_debug_arg(con, bio_s_out);
2161 && !SSL_set_session_id_context(con,
2162 context, strlen((char *)context))) {
2163 BIO_printf(bio_err, "Error setting session id context\n");
2168 if (!SSL_clear(con)) {
2169 BIO_printf(bio_err, "Error clearing SSL connection\n");
2173 #ifndef OPENSSL_NO_DTLS
2174 if (stype == SOCK_DGRAM) {
2176 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2178 if (enable_timeouts) {
2180 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2181 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2184 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2185 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2189 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2190 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2191 DTLS_get_link_min_mtu(con));
2196 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2197 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2198 BIO_printf(bio_err, "Failed to set MTU\n");
2204 /* want to do MTU discovery */
2205 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2207 /* turn on cookie exchange */
2208 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2211 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2216 test = BIO_new(BIO_f_nbio_test());
2217 sbio = BIO_push(test, sbio);
2220 SSL_set_bio(con, sbio, sbio);
2221 SSL_set_accept_state(con);
2222 /* SSL_set_fd(con,s); */
2225 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2226 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2229 #ifndef OPENSSL_NO_SSL_TRACE
2231 SSL_set_msg_callback(con, SSL_trace);
2234 SSL_set_msg_callback(con, msg_cb);
2235 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2238 if (s_tlsextdebug) {
2239 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2240 SSL_set_tlsext_debug_arg(con, bio_s_out);
2245 int read_from_terminal;
2246 int read_from_sslcon;
2248 read_from_terminal = 0;
2249 read_from_sslcon = SSL_has_pending(con)
2250 || (async && SSL_waiting_for_async(con));
2252 if (!read_from_sslcon) {
2254 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2255 openssl_fdset(fileno(stdin), &readfds);
2257 openssl_fdset(s, &readfds);
2259 * Note: under VMS with SOCKETSHR the second parameter is
2260 * currently of type (int *) whereas under other systems it is
2261 * (void *) if you don't have a cast it will choke the compiler:
2262 * if you do have a cast then you can either go for (int *) or
2265 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2267 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2268 * only on sockets. As a workaround we timeout the select every
2269 * second and check for any keypress. In a proper Windows
2270 * application we wouldn't do this because it is inefficient.
2274 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2275 if ((i < 0) || (!i && !_kbhit()))
2278 read_from_terminal = 1;
2280 if ((SSL_version(con) == DTLS1_VERSION) &&
2281 DTLSv1_get_timeout(con, &timeout))
2282 timeoutp = &timeout;
2286 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2288 if ((SSL_version(con) == DTLS1_VERSION)
2289 && DTLSv1_handle_timeout(con) > 0) {
2290 BIO_printf(bio_err, "TIMEOUT occurred\n");
2295 if (FD_ISSET(fileno(stdin), &readfds))
2296 read_from_terminal = 1;
2298 if (FD_ISSET(s, &readfds))
2299 read_from_sslcon = 1;
2301 if (read_from_terminal) {
2305 i = raw_read_stdin(buf, bufsize / 2);
2307 /* both loops are skipped when i <= 0 */
2308 for (j = 0; j < i; j++)
2311 for (j = i - 1; j >= 0; j--) {
2312 buf[j + lf_num] = buf[j];
2313 if (buf[j] == '\n') {
2316 buf[j + lf_num] = '\r';
2319 assert(lf_num == 0);
2321 i = raw_read_stdin(buf, bufsize);
2322 if (!s_quiet && !s_brief) {
2323 if ((i <= 0) || (buf[0] == 'Q')) {
2324 BIO_printf(bio_s_out, "DONE\n");
2325 (void)BIO_flush(bio_s_out);
2327 close_accept_socket();
2331 if ((i <= 0) || (buf[0] == 'q')) {
2332 BIO_printf(bio_s_out, "DONE\n");
2333 (void)BIO_flush(bio_s_out);
2334 if (SSL_version(con) != DTLS1_VERSION)
2337 * close_accept_socket(); ret= -11;
2341 #ifndef OPENSSL_NO_HEARTBEATS
2342 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2343 BIO_printf(bio_err, "HEARTBEATING\n");
2349 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2350 SSL_renegotiate(con);
2351 i = SSL_do_handshake(con);
2352 printf("SSL_do_handshake -> %d\n", i);
2356 * strcpy(buf,"server side RE-NEGOTIATE\n");
2359 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2361 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2363 SSL_renegotiate(con);
2364 i = SSL_do_handshake(con);
2365 printf("SSL_do_handshake -> %d\n", i);
2369 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2373 if (buf[0] == 'P') {
2374 static const char *str = "Lets print some clear text\n";
2375 BIO_write(SSL_get_wbio(con), str, strlen(str));
2377 if (buf[0] == 'S') {
2378 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2381 #ifdef CHARSET_EBCDIC
2382 ebcdic2ascii(buf, buf, i);
2386 /* should do a select for the write */
2390 if (++count == 100) {
2392 SSL_renegotiate(con);
2396 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2397 #ifndef OPENSSL_NO_SRP
2398 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2399 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2400 SRP_user_pwd_free(srp_callback_parm.user);
2401 srp_callback_parm.user =
2402 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2403 srp_callback_parm.login);
2404 if (srp_callback_parm.user)
2405 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2406 srp_callback_parm.user->info);
2408 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2409 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2412 switch (SSL_get_error(con, k)) {
2413 case SSL_ERROR_NONE:
2415 case SSL_ERROR_WANT_ASYNC:
2416 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2417 wait_for_async(con);
2419 case SSL_ERROR_WANT_WRITE:
2420 case SSL_ERROR_WANT_READ:
2421 case SSL_ERROR_WANT_X509_LOOKUP:
2422 BIO_printf(bio_s_out, "Write BLOCK\n");
2424 case SSL_ERROR_WANT_ASYNC_JOB:
2426 * This shouldn't ever happen in s_server. Treat as an error
2428 case SSL_ERROR_SYSCALL:
2430 BIO_printf(bio_s_out, "ERROR\n");
2431 (void)BIO_flush(bio_s_out);
2432 ERR_print_errors(bio_err);
2436 case SSL_ERROR_ZERO_RETURN:
2437 BIO_printf(bio_s_out, "DONE\n");
2438 (void)BIO_flush(bio_s_out);
2450 if (read_from_sslcon) {
2452 * init_ssl_connection handles all async events itself so if we're
2453 * waiting for async then we shouldn't go back into
2454 * init_ssl_connection
2456 if ((!async || !SSL_waiting_for_async(con))
2457 && !SSL_is_init_finished(con)) {
2458 i = init_ssl_connection(con);
2463 } else if (i == 0) {
2469 i = SSL_read(con, (char *)buf, bufsize);
2470 #ifndef OPENSSL_NO_SRP
2471 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2472 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2473 SRP_user_pwd_free(srp_callback_parm.user);
2474 srp_callback_parm.user =
2475 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2476 srp_callback_parm.login);
2477 if (srp_callback_parm.user)
2478 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2479 srp_callback_parm.user->info);
2481 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2482 i = SSL_read(con, (char *)buf, bufsize);
2485 switch (SSL_get_error(con, i)) {
2486 case SSL_ERROR_NONE:
2487 #ifdef CHARSET_EBCDIC
2488 ascii2ebcdic(buf, buf, i);
2490 raw_write_stdout(buf, (unsigned int)i);
2491 if (SSL_has_pending(con))
2494 case SSL_ERROR_WANT_ASYNC:
2495 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2496 wait_for_async(con);
2498 case SSL_ERROR_WANT_WRITE:
2499 case SSL_ERROR_WANT_READ:
2500 BIO_printf(bio_s_out, "Read BLOCK\n");
2502 case SSL_ERROR_WANT_ASYNC_JOB:
2504 * This shouldn't ever happen in s_server. Treat as an error
2506 case SSL_ERROR_SYSCALL:
2508 BIO_printf(bio_s_out, "ERROR\n");
2509 (void)BIO_flush(bio_s_out);
2510 ERR_print_errors(bio_err);
2513 case SSL_ERROR_ZERO_RETURN:
2514 BIO_printf(bio_s_out, "DONE\n");
2515 (void)BIO_flush(bio_s_out);
2524 BIO_printf(bio_s_out, "shutting down SSL\n");
2525 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2528 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2529 OPENSSL_clear_free(buf, bufsize);
2531 BIO_printf(bio_s_out, "ACCEPT\n");
2532 (void)BIO_flush(bio_s_out);
2536 static void close_accept_socket(void)
2538 BIO_printf(bio_err, "shutdown accept socket\n");
2539 if (accept_socket >= 0) {
2540 BIO_closesocket(accept_socket);
2544 static int init_ssl_connection(SSL *con)
2551 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2552 const unsigned char *next_proto_neg;
2553 unsigned next_proto_neg_len;
2555 unsigned char *exportedkeymat;
2557 #ifndef OPENSSL_NO_DTLS
2559 BIO_ADDR *client = NULL;
2561 if ((client = BIO_ADDR_new()) == NULL) {
2562 BIO_printf(bio_err, "ERROR - memory\n");
2565 i = DTLSv1_listen(con, client);
2570 wbio = SSL_get_wbio(con);
2572 BIO_get_fd(wbio, &fd);
2575 if(!wbio || BIO_connect(fd, client, 0) == 0) {
2576 BIO_printf(bio_err, "ERROR - unable to connect\n");
2577 BIO_ADDR_free(client);
2580 BIO_ADDR_free(client);
2582 i = SSL_accept(con);
2588 i = SSL_accept(con);
2590 #ifdef CERT_CB_TEST_RETRY
2592 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2593 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2595 "LOOKUP from certificate callback during accept\n");
2596 i = SSL_accept(con);
2601 #ifndef OPENSSL_NO_SRP
2602 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2603 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2604 srp_callback_parm.login);
2605 SRP_user_pwd_free(srp_callback_parm.user);
2606 srp_callback_parm.user =
2607 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2608 srp_callback_parm.login);
2609 if (srp_callback_parm.user)
2610 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2611 srp_callback_parm.user->info);
2613 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2614 i = SSL_accept(con);
2617 } while (i < 0 && SSL_waiting_for_async(con));
2620 if ((dtlslisten && i == 0)
2621 || (!dtlslisten && BIO_sock_should_retry(i))) {
2622 BIO_printf(bio_s_out, "DELAY\n");
2626 BIO_printf(bio_err, "ERROR\n");
2628 verify_err = SSL_get_verify_result(con);
2629 if (verify_err != X509_V_OK) {
2630 BIO_printf(bio_err, "verify error:%s\n",
2631 X509_verify_cert_error_string(verify_err));
2633 /* Always print any error messages */
2634 ERR_print_errors(bio_err);
2639 print_ssl_summary(con);
2641 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2643 peer = SSL_get_peer_certificate(con);
2645 BIO_printf(bio_s_out, "Client certificate\n");
2646 PEM_write_bio_X509(bio_s_out, peer);
2647 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2648 BIO_printf(bio_s_out, "subject=%s\n", buf);
2649 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2650 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2655 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2656 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2657 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2658 ssl_print_sigalgs(bio_s_out, con);
2659 #ifndef OPENSSL_NO_EC
2660 ssl_print_point_formats(bio_s_out, con);
2661 ssl_print_curves(bio_s_out, con, 0);
2663 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2665 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2666 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2667 if (next_proto_neg) {
2668 BIO_printf(bio_s_out, "NEXTPROTO is ");
2669 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2670 BIO_printf(bio_s_out, "\n");
2673 #ifndef OPENSSL_NO_SRTP
2675 SRTP_PROTECTION_PROFILE *srtp_profile
2676 = SSL_get_selected_srtp_profile(con);
2679 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2680 srtp_profile->name);
2683 if (SSL_session_reused(con))
2684 BIO_printf(bio_s_out, "Reused session-id\n");
2685 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2686 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2687 if (keymatexportlabel != NULL) {
2688 BIO_printf(bio_s_out, "Keying material exporter:\n");
2689 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2690 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2691 exportedkeymat = app_malloc(keymatexportlen, "export key");
2692 if (!SSL_export_keying_material(con, exportedkeymat,
2695 strlen(keymatexportlabel),
2697 BIO_printf(bio_s_out, " Error\n");
2699 BIO_printf(bio_s_out, " Keying material: ");
2700 for (i = 0; i < keymatexportlen; i++)
2701 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2702 BIO_printf(bio_s_out, "\n");
2704 OPENSSL_free(exportedkeymat);
2710 #ifndef OPENSSL_NO_DH
2711 static DH *load_dh_param(const char *dhfile)
2716 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2718 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2725 static int www_body(int s, int stype, unsigned char *context)
2731 const SSL_CIPHER *c;
2732 BIO *io, *ssl_bio, *sbio;
2734 int total_bytes = 0;
2739 /* Set width for a select call if needed */
2742 buf = app_malloc(bufsize, "server www buffer");
2743 io = BIO_new(BIO_f_buffer());
2744 ssl_bio = BIO_new(BIO_f_ssl());
2745 if ((io == NULL) || (ssl_bio == NULL))
2749 if (!BIO_socket_nbio(s, 1))
2750 ERR_print_errors(bio_err);
2752 BIO_printf(bio_err, "Turned on non blocking io\n");
2755 /* lets make the output buffer a reasonable size */
2756 if (!BIO_set_write_buffer_size(io, bufsize))
2759 if ((con = SSL_new(ctx)) == NULL)
2762 if (s_tlsextdebug) {
2763 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2764 SSL_set_tlsext_debug_arg(con, bio_s_out);
2767 if (context && !SSL_set_session_id_context(con, context,
2768 strlen((char *)context)))
2771 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2775 test = BIO_new(BIO_f_nbio_test());
2776 sbio = BIO_push(test, sbio);
2778 SSL_set_bio(con, sbio, sbio);
2779 SSL_set_accept_state(con);
2781 /* SSL_set_fd(con,s); */
2782 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2783 BIO_push(io, ssl_bio);
2784 #ifdef CHARSET_EBCDIC
2785 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2789 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2790 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2793 #ifndef OPENSSL_NO_SSL_TRACE
2795 SSL_set_msg_callback(con, SSL_trace);
2798 SSL_set_msg_callback(con, msg_cb);
2799 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2803 i = BIO_gets(io, buf, bufsize - 1);
2804 if (i < 0) { /* error */
2805 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2807 ERR_print_errors(bio_err);
2810 BIO_printf(bio_s_out, "read R BLOCK\n");
2811 #ifndef OPENSSL_NO_SRP
2812 if (BIO_should_io_special(io)
2813 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2814 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2815 SRP_user_pwd_free(srp_callback_parm.user);
2816 srp_callback_parm.user =
2817 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2818 srp_callback_parm.login);
2819 if (srp_callback_parm.user)
2820 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2821 srp_callback_parm.user->info);
2823 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2827 #if !defined(OPENSSL_SYS_MSDOS)
2832 } else if (i == 0) { /* end of input */
2837 /* else we have data */
2838 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2839 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2842 STACK_OF(SSL_CIPHER) *sk;
2843 static const char *space = " ";
2845 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2846 if (strncmp("GET /renegcert", buf, 14) == 0)
2848 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2850 i = SSL_renegotiate(con);
2851 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2852 /* Send the HelloRequest */
2853 i = SSL_do_handshake(con);
2855 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2856 SSL_get_error(con, i));
2857 ERR_print_errors(bio_err);
2860 /* Wait for a ClientHello to come back */
2862 openssl_fdset(s, &readfds);
2863 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2864 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2865 BIO_printf(bio_s_out, "Error waiting for client response\n");
2866 ERR_print_errors(bio_err);
2870 * We're not actually expecting any data here and we ignore
2871 * any that is sent. This is just to force the handshake that
2872 * we're expecting to come from the client. If they haven't
2873 * sent one there's not much we can do.
2875 BIO_gets(io, buf, bufsize - 1);
2879 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2880 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2881 BIO_puts(io, "<pre>\n");
2882 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
2884 for (i = 0; i < local_argc; i++) {
2886 for (myp = local_argv[i]; *myp; myp++)
2889 BIO_puts(io, "<");
2892 BIO_puts(io, ">");
2895 BIO_puts(io, "&");
2898 BIO_write(io, myp, 1);
2901 BIO_write(io, " ", 1);
2906 "Secure Renegotiation IS%s supported\n",
2907 SSL_get_secure_renegotiation_support(con) ?
2911 * The following is evil and should not really be done
2913 BIO_printf(io, "Ciphers supported in s_server binary\n");
2914 sk = SSL_get_ciphers(con);
2915 j = sk_SSL_CIPHER_num(sk);
2916 for (i = 0; i < j; i++) {
2917 c = sk_SSL_CIPHER_value(sk, i);
2918 BIO_printf(io, "%-11s:%-25s ",
2919 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2920 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2924 p = SSL_get_shared_ciphers(con, buf, bufsize);
2927 "---\nCiphers common between both SSL end points:\n");
2931 BIO_write(io, space, 26 - j);
2934 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2936 BIO_write(io, p, 1);
2943 ssl_print_sigalgs(io, con);
2944 #ifndef OPENSSL_NO_EC
2945 ssl_print_curves(io, con, 0);
2947 BIO_printf(io, (SSL_session_reused(con)
2948 ? "---\nReused, " : "---\nNew, "));
2949 c = SSL_get_current_cipher(con);
2950 BIO_printf(io, "%s, Cipher is %s\n",
2951 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2952 SSL_SESSION_print(io, SSL_get_session(con));
2953 BIO_printf(io, "---\n");
2954 print_stats(io, SSL_get_SSL_CTX(con));
2955 BIO_printf(io, "---\n");
2956 peer = SSL_get_peer_certificate(con);
2958 BIO_printf(io, "Client certificate\n");
2959 X509_print(io, peer);
2960 PEM_write_bio_X509(io, peer);
2964 BIO_puts(io, "no client certificate available\n");
2965 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2967 } else if ((www == 2 || www == 3)
2968 && (strncmp("GET /", buf, 5) == 0)) {
2971 static const char *text =
2972 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2978 for (e = p; *e != '\0'; e++) {
2984 dot = (e[0] == '.') ? 2 : 0;
2987 dot = (e[0] == '.') ? 3 : 0;
2990 dot = (e[0] == '/') ? -1 : 0;
2994 dot = (e[0] == '/') ? 1 : 0;
2996 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3001 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3008 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3014 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3018 /* if a directory, do the index thang */
3019 if (app_isdir(p) > 0) {
3021 BIO_printf(io, "'%s' is a directory\r\n", p);
3025 if ((file = BIO_new_file(p, "r")) == NULL) {
3027 BIO_printf(io, "Error opening '%s'\r\n", p);
3028 ERR_print_errors(io);
3033 BIO_printf(bio_err, "FILE:%s\n", p);
3037 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3038 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3039 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3041 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3044 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3048 i = BIO_read(file, buf, bufsize);
3054 BIO_printf(bio_err, "%d\n", i);
3055 if (total_bytes > 3 * 1024) {
3057 BIO_printf(bio_err, "RENEGOTIATE\n");
3058 SSL_renegotiate(con);
3062 for (j = 0; j < i;) {
3066 if (++count == 13) {
3067 SSL_renegotiate(con);
3071 k = BIO_write(io, &(buf[j]), i - j);
3073 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con))
3076 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3090 i = (int)BIO_flush(io);
3092 if (!BIO_should_retry(io))
3098 /* make sure we re-use sessions */
3099 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3103 BIO_printf(bio_s_out, "ACCEPT\n");
3109 static int rev_body(int s, int stype, unsigned char *context)
3115 BIO *io, *ssl_bio, *sbio;
3117 buf = app_malloc(bufsize, "server rev buffer");
3118 io = BIO_new(BIO_f_buffer());
3119 ssl_bio = BIO_new(BIO_f_ssl());
3120 if ((io == NULL) || (ssl_bio == NULL))
3123 /* lets make the output buffer a reasonable size */
3124 if (!BIO_set_write_buffer_size(io, bufsize))
3127 if ((con = SSL_new(ctx)) == NULL)
3130 if (s_tlsextdebug) {
3131 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3132 SSL_set_tlsext_debug_arg(con, bio_s_out);
3134 if (context && !SSL_set_session_id_context(con, context,
3135 strlen((char *)context))) {
3136 ERR_print_errors(bio_err);
3140 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3141 SSL_set_bio(con, sbio, sbio);
3142 SSL_set_accept_state(con);
3144 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3145 BIO_push(io, ssl_bio);
3146 #ifdef CHARSET_EBCDIC
3147 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3151 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3152 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3155 #ifndef OPENSSL_NO_SSL_TRACE
3157 SSL_set_msg_callback(con, SSL_trace);
3160 SSL_set_msg_callback(con, msg_cb);
3161 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3165 i = BIO_do_handshake(io);
3168 if (!BIO_should_retry(io)) {
3169 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3170 ERR_print_errors(bio_err);
3173 #ifndef OPENSSL_NO_SRP
3174 if (BIO_should_io_special(io)
3175 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3176 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3177 SRP_user_pwd_free(srp_callback_parm.user);
3178 srp_callback_parm.user =
3179 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3180 srp_callback_parm.login);
3181 if (srp_callback_parm.user)
3182 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3183 srp_callback_parm.user->info);
3185 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3190 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3191 print_ssl_summary(con);
3194 i = BIO_gets(io, buf, bufsize - 1);
3195 if (i < 0) { /* error */
3196 if (!BIO_should_retry(io)) {
3198 ERR_print_errors(bio_err);
3201 BIO_printf(bio_s_out, "read R BLOCK\n");
3202 #ifndef OPENSSL_NO_SRP
3203 if (BIO_should_io_special(io)
3204 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3205 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3206 SRP_user_pwd_free(srp_callback_parm.user);
3207 srp_callback_parm.user =
3208 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3209 srp_callback_parm.login);
3210 if (srp_callback_parm.user)
3211 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3212 srp_callback_parm.user->info);
3214 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3218 #if !defined(OPENSSL_SYS_MSDOS)
3223 } else if (i == 0) { /* end of input */
3225 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3228 char *p = buf + i - 1;
3229 while (i && (*p == '\n' || *p == '\r')) {
3233 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3235 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3238 BUF_reverse((unsigned char *)buf, NULL, i);
3240 BIO_write(io, buf, i + 1);
3245 if (!BIO_should_retry(io))
3251 /* make sure we re-use sessions */
3252 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3261 #define MAX_SESSION_ID_ATTEMPTS 10
3262 static int generate_session_id(const SSL *ssl, unsigned char *id,
3263 unsigned int *id_len)
3265 unsigned int count = 0;
3267 if (RAND_bytes(id, *id_len) <= 0)
3270 * Prefix the session_id with the required prefix. NB: If our prefix
3271 * is too long, clip it - but there will be worse effects anyway, eg.
3272 * the server could only possibly create 1 session ID (ie. the
3273 * prefix!) so all future session negotiations will fail due to
3276 memcpy(id, session_id_prefix,
3277 (strlen(session_id_prefix) < *id_len) ?
3278 strlen(session_id_prefix) : *id_len);
3280 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3281 (++count < MAX_SESSION_ID_ATTEMPTS));
3282 if (count >= MAX_SESSION_ID_ATTEMPTS)
3288 * By default s_server uses an in-memory cache which caches SSL_SESSION
3289 * structures without any serialisation. This hides some bugs which only
3290 * become apparent in deployed servers. By implementing a basic external
3291 * session cache some issues can be debugged using s_server.
3294 typedef struct simple_ssl_session_st {
3299 struct simple_ssl_session_st *next;
3300 } simple_ssl_session;
3302 static simple_ssl_session *first = NULL;
3304 static int add_session(SSL *ssl, SSL_SESSION *session)
3306 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3309 SSL_SESSION_get_id(session, &sess->idlen);
3310 sess->derlen = i2d_SSL_SESSION(session, NULL);
3311 if (sess->derlen < 0) {
3312 BIO_printf(bio_err, "Error encoding session\n");
3317 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3318 sess->der = app_malloc(sess->derlen, "get session buffer");
3320 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3321 OPENSSL_free(sess->id);
3322 OPENSSL_free(sess->der);
3328 /* Assume it still works. */
3329 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3330 BIO_printf(bio_err, "Unexpected session encoding length\n");
3331 OPENSSL_free(sess->id);
3332 OPENSSL_free(sess->der);
3339 BIO_printf(bio_err, "New session added to external cache\n");
3343 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3346 simple_ssl_session *sess;
3348 for (sess = first; sess; sess = sess->next) {
3349 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3350 const unsigned char *p = sess->der;
3351 BIO_printf(bio_err, "Lookup session: cache hit\n");
3352 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3355 BIO_printf(bio_err, "Lookup session: cache miss\n");
3359 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3361 simple_ssl_session *sess, *prev = NULL;
3362 const unsigned char *id;
3364 id = SSL_SESSION_get_id(session, &idlen);
3365 for (sess = first; sess; sess = sess->next) {
3366 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3368 prev->next = sess->next;
3371 OPENSSL_free(sess->id);
3372 OPENSSL_free(sess->der);
3380 static void init_session_cache_ctx(SSL_CTX *sctx)
3382 SSL_CTX_set_session_cache_mode(sctx,
3383 SSL_SESS_CACHE_NO_INTERNAL |
3384 SSL_SESS_CACHE_SERVER);
3385 SSL_CTX_sess_set_new_cb(sctx, add_session);
3386 SSL_CTX_sess_set_get_cb(sctx, get_session);
3387 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3390 static void free_sessions(void)
3392 simple_ssl_session *sess, *tsess;
3393 for (sess = first; sess;) {
3394 OPENSSL_free(sess->id);
3395 OPENSSL_free(sess->der);
3398 OPENSSL_free(tsess);