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 /* conflicts with winsock2 stuff on netware */
151 #if !defined(OPENSSL_SYS_NETWARE)
152 # include <sys/types.h>
156 * With IPv6, it looks like Digital has mixed up the proper order of
157 * recursive header file inclusion, resulting in the compiler complaining
158 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
159 * needed to have fileno() declared correctly... So let's define u_int
161 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
163 typedef unsigned int u_int;
166 #include <openssl/lhash.h>
167 #include <openssl/bn.h>
170 #include <openssl/err.h>
171 #include <openssl/pem.h>
172 #include <openssl/x509.h>
173 #include <openssl/ssl.h>
174 #include <openssl/rand.h>
175 #include <openssl/ocsp.h>
176 #ifndef OPENSSL_NO_DH
177 # include <openssl/dh.h>
179 #ifndef OPENSSL_NO_RSA
180 # include <openssl/rsa.h>
182 #ifndef OPENSSL_NO_SRP
183 # include <openssl/srp.h>
186 #include "timeouts.h"
188 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
189 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
193 #ifndef OPENSSL_NO_RSA
194 static RSA *tmp_rsa_cb(SSL *s, int is_export, int keylength);
196 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
197 static void wait_for_async(SSL *s);
198 static int sv_body(char *hostname, int s, int stype, unsigned char *context);
199 static int www_body(char *hostname, int s, int stype, unsigned char *context);
200 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
201 static void close_accept_socket(void);
202 static int init_ssl_connection(SSL *s);
203 static void print_stats(BIO *bp, SSL_CTX *ctx);
204 static int generate_session_id(const SSL *ssl, unsigned char *id,
205 unsigned int *id_len);
206 static void init_session_cache_ctx(SSL_CTX *sctx);
207 static void free_sessions(void);
208 #ifndef OPENSSL_NO_DH
209 static DH *load_dh_param(const char *dhfile);
212 static void s_server_init(void);
214 /* static int load_CA(SSL_CTX *ctx, char *file);*/
217 #define BUFSIZZ 16*1024
218 static int bufsize = BUFSIZZ;
219 static int accept_socket = -1;
221 #define TEST_CERT "server.pem"
222 #define TEST_CERT2 "server2.pem"
224 extern int verify_depth, verify_return_error, verify_quiet;
226 static int s_server_verify = SSL_VERIFY_NONE;
227 static int s_server_session_id_context = 1; /* anything will do */
228 static const char *s_cert_file = TEST_CERT, *s_key_file =
229 NULL, *s_chain_file = NULL;
231 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
232 static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
234 static int s_nbio = 0;
236 static int s_nbio_test = 0;
237 static int s_crlf = 0;
238 static SSL_CTX *ctx = NULL;
239 static SSL_CTX *ctx2 = NULL;
242 static BIO *bio_s_out = NULL;
243 static BIO *bio_s_msg = NULL;
244 static int s_debug = 0;
245 static int s_tlsextdebug = 0;
246 static int s_tlsextstatus = 0;
247 static int cert_status_cb(SSL *s, void *arg);
248 static int no_resume_ephemeral = 0;
249 static int s_msg = 0;
250 static int s_quiet = 0;
251 static int s_ign_eof = 0;
252 static int s_brief = 0;
254 static char *keymatexportlabel = NULL;
255 static int keymatexportlen = 20;
257 static int async = 0;
259 #ifndef OPENSSL_NO_ENGINE
260 static char *engine_id = NULL;
262 static const char *session_id_prefix = NULL;
264 static int enable_timeouts = 0;
265 static long socket_mtu;
266 #ifndef OPENSSL_NO_DTLS1
267 static int cert_chain = 0;
269 static int dtlslisten = 0;
271 static BIO *serverinfo_in = NULL;
272 static const char *s_serverinfo_file = NULL;
274 #ifndef OPENSSL_NO_PSK
275 static char *psk_identity = "Client_identity";
276 char *psk_key = NULL; /* by default PSK is not used */
278 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
280 unsigned int max_psk_len)
282 unsigned int psk_len = 0;
287 BIO_printf(bio_s_out, "psk_server_cb\n");
289 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
293 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
294 (int)strlen(identity), identity);
296 /* here we could lookup the given identity e.g. from a database */
297 if (strcmp(identity, psk_identity) != 0) {
298 BIO_printf(bio_s_out, "PSK error: client identity not found"
299 " (got '%s' expected '%s')\n", identity, psk_identity);
303 BIO_printf(bio_s_out, "PSK client identity found\n");
305 /* convert the PSK key to binary */
306 ret = BN_hex2bn(&bn, psk_key);
308 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
313 if (BN_num_bytes(bn) > (int)max_psk_len) {
315 "psk buffer of callback is too small (%d) for key (%d)\n",
316 max_psk_len, BN_num_bytes(bn));
321 ret = BN_bn2bin(bn, psk);
326 psk_len = (unsigned int)ret;
329 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
333 BIO_printf(bio_err, "Error in PSK server callback\n");
334 (void)BIO_flush(bio_err);
335 (void)BIO_flush(bio_s_out);
340 #ifndef OPENSSL_NO_SRP
341 /* This is a context that we pass to callbacks */
342 typedef struct srpsrvparm_st {
349 * This callback pretends to require some asynchronous logic in order to
350 * obtain a verifier. When the callback is called for a new connection we
351 * return with a negative value. This will provoke the accept etc to return
352 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
353 * (which would normally occur after a worker has finished) and we set the
356 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
358 srpsrvparm *p = (srpsrvparm *) arg;
359 if (p->login == NULL && p->user == NULL) {
360 p->login = SSL_get_srp_username(s);
361 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
365 if (p->user == NULL) {
366 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
367 return SSL3_AL_FATAL;
369 if (SSL_set_srp_server_param
370 (s, p->user->N, p->user->g, p->user->s, p->user->v,
371 p->user->info) < 0) {
372 *ad = SSL_AD_INTERNAL_ERROR;
373 return SSL3_AL_FATAL;
376 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
377 p->login, p->user->info);
378 /* need to check whether there are memory leaks */
381 return SSL_ERROR_NONE;
386 static void s_server_init(void)
390 s_server_verify = SSL_VERIFY_NONE;
393 s_dchain_file = NULL;
394 s_cert_file = TEST_CERT;
397 s_cert_file2 = TEST_CERT2;
410 #ifndef OPENSSL_NO_ENGINE
415 static int local_argc = 0;
416 static char **local_argv;
418 #ifdef CHARSET_EBCDIC
419 static int ebcdic_new(BIO *bi);
420 static int ebcdic_free(BIO *a);
421 static int ebcdic_read(BIO *b, char *out, int outl);
422 static int ebcdic_write(BIO *b, const char *in, int inl);
423 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
424 static int ebcdic_gets(BIO *bp, char *buf, int size);
425 static int ebcdic_puts(BIO *bp, const char *str);
427 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
428 static BIO_METHOD methods_ebcdic = {
429 BIO_TYPE_EBCDIC_FILTER,
430 "EBCDIC/ASCII filter",
440 /* This struct is "unwarranted chumminess with the compiler." */
446 BIO_METHOD *BIO_f_ebcdic_filter()
448 return (&methods_ebcdic);
451 static int ebcdic_new(BIO *bi)
453 EBCDIC_OUTBUFF *wbuf;
455 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
456 wbuf->alloced = 1024;
457 wbuf->buff[0] = '\0';
459 bi->ptr = (char *)wbuf;
465 static int ebcdic_free(BIO *a)
469 OPENSSL_free(a->ptr);
476 static int ebcdic_read(BIO *b, char *out, int outl)
480 if (out == NULL || outl == 0)
482 if (b->next_bio == NULL)
485 ret = BIO_read(b->next_bio, out, outl);
487 ascii2ebcdic(out, out, ret);
491 static int ebcdic_write(BIO *b, const char *in, int inl)
493 EBCDIC_OUTBUFF *wbuf;
498 if ((in == NULL) || (inl <= 0))
500 if (b->next_bio == NULL)
503 wbuf = (EBCDIC_OUTBUFF *) b->ptr;
505 if (inl > (num = wbuf->alloced)) {
506 num = num + num; /* double the size */
509 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
510 OPENSSL_free(b->ptr);
513 wbuf->buff[0] = '\0';
515 b->ptr = (char *)wbuf;
518 ebcdic2ascii(wbuf->buff, in, inl);
520 ret = BIO_write(b->next_bio, wbuf->buff, inl);
525 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
529 if (b->next_bio == NULL)
536 ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
542 static int ebcdic_gets(BIO *bp, char *buf, int size)
545 if (bp->next_bio == NULL)
547 /* return(BIO_gets(bp->next_bio,buf,size));*/
548 for (i = 0; i < size - 1; ++i) {
549 ret = ebcdic_read(bp, &buf[i], 1);
552 else if (buf[i] == '\n') {
559 return (ret < 0 && i == 0) ? ret : i;
562 static int ebcdic_puts(BIO *bp, const char *str)
564 if (bp->next_bio == NULL)
566 return ebcdic_write(bp, str, strlen(str));
570 /* This is a context that we pass to callbacks */
571 typedef struct tlsextctx_st {
577 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
579 tlsextctx *p = (tlsextctx *) arg;
580 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
581 if (servername && p->biodebug)
582 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
586 return SSL_TLSEXT_ERR_NOACK;
589 if (strcasecmp(servername, p->servername))
590 return p->extension_error;
592 BIO_printf(p->biodebug, "Switching server context.\n");
593 SSL_set_SSL_CTX(s, ctx2);
596 return SSL_TLSEXT_ERR_OK;
599 /* Structure passed to cert status callback */
601 typedef struct tlsextstatusctx_st {
602 /* Default responder to use */
603 char *host, *path, *port;
609 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 };
612 * Certificate Status callback. This is called when a client includes a
613 * certificate status request extension. This is a simplified version. It
614 * examines certificates each time and makes one OCSP responder query for
615 * each request. A full version would store details such as the OCSP
616 * certificate IDs and minimise the number of OCSP responses by caching them
617 * until they were considered "expired".
620 static int cert_status_cb(SSL *s, void *arg)
622 tlsextstatusctx *srctx = arg;
623 char *host = NULL, *port = NULL, *path = NULL;
625 unsigned char *rspder = NULL;
627 STACK_OF(OPENSSL_STRING) *aia = NULL;
629 X509_STORE_CTX inctx;
631 OCSP_REQUEST *req = NULL;
632 OCSP_RESPONSE *resp = NULL;
633 OCSP_CERTID *id = NULL;
634 STACK_OF(X509_EXTENSION) *exts;
635 int ret = SSL_TLSEXT_ERR_NOACK;
639 BIO_puts(bio_err, "cert_status: callback called\n");
640 /* Build up OCSP query from server certificate */
641 x = SSL_get_certificate(s);
642 aia = X509_get1_ocsp(x);
644 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
645 &host, &port, &path, &use_ssl)) {
646 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
650 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
651 sk_OPENSSL_STRING_value(aia, 0));
655 "cert_status: no AIA and no default responder URL\n");
661 use_ssl = srctx->use_ssl;
664 if (!X509_STORE_CTX_init(&inctx,
665 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
668 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
669 X509_get_issuer_name(x), &obj) <= 0) {
670 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
671 X509_STORE_CTX_cleanup(&inctx);
674 req = OCSP_REQUEST_new();
677 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
678 X509_free(obj.data.x509);
679 X509_STORE_CTX_cleanup(&inctx);
682 if (!OCSP_request_add0_id(req, id))
685 /* Add any extensions to the request */
686 SSL_get_tlsext_status_exts(s, &exts);
687 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
688 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
689 if (!OCSP_REQUEST_add_ext(req, ext, -1))
692 resp = process_responder(req, host, path, port, use_ssl, NULL,
695 BIO_puts(bio_err, "cert_status: error querying responder\n");
698 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
701 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
702 if (srctx->verbose) {
703 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
704 OCSP_RESPONSE_print(bio_err, resp, 2);
706 ret = SSL_TLSEXT_ERR_OK;
708 if (ret != SSL_TLSEXT_ERR_OK)
709 ERR_print_errors(bio_err);
714 X509_email_free(aia);
716 OCSP_CERTID_free(id);
717 OCSP_REQUEST_free(req);
718 OCSP_RESPONSE_free(resp);
721 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
725 #ifndef OPENSSL_NO_NEXTPROTONEG
726 /* This is the context that we pass to next_proto_cb */
727 typedef struct tlsextnextprotoctx_st {
730 } tlsextnextprotoctx;
732 static int next_proto_cb(SSL *s, const unsigned char **data,
733 unsigned int *len, void *arg)
735 tlsextnextprotoctx *next_proto = arg;
737 *data = next_proto->data;
738 *len = next_proto->len;
740 return SSL_TLSEXT_ERR_OK;
742 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
744 /* This the context that we pass to alpn_cb */
745 typedef struct tlsextalpnctx_st {
750 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
751 const unsigned char *in, unsigned int inlen, void *arg)
753 tlsextalpnctx *alpn_ctx = arg;
756 /* We can assume that |in| is syntactically valid. */
758 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
759 for (i = 0; i < inlen;) {
761 BIO_write(bio_s_out, ", ", 2);
762 BIO_write(bio_s_out, &in[i + 1], in[i]);
765 BIO_write(bio_s_out, "\n", 1);
768 if (SSL_select_next_proto
769 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
770 inlen) != OPENSSL_NPN_NEGOTIATED) {
771 return SSL_TLSEXT_ERR_NOACK;
775 BIO_printf(bio_s_out, "ALPN protocols selected: ");
776 BIO_write(bio_s_out, *out, *outlen);
777 BIO_write(bio_s_out, "\n", 1);
780 return SSL_TLSEXT_ERR_OK;
783 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
785 /* disable resumption for sessions with forward secure ciphers */
786 return is_forward_secure;
789 static char *jpake_secret = NULL;
790 #ifndef OPENSSL_NO_SRP
791 static srpsrvparm srp_callback_parm;
793 #ifndef OPENSSL_NO_SRTP
794 static char *srtp_profiles = NULL;
797 typedef enum OPTION_choice {
798 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
799 OPT_ENGINE, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
800 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
801 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
802 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
803 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
804 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
805 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
806 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
807 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
808 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
809 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE,
810 OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF,
811 OPT_QUIET, OPT_BRIEF, OPT_NO_TMP_RSA, OPT_NO_DHE, OPT_NO_ECDHE,
812 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
813 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
815 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
816 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_CHAIN, OPT_LISTEN,
817 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
818 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_JPAKE,
819 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
825 OPTIONS s_server_options[] = {
826 {"help", OPT_HELP, '-', "Display this summary"},
827 {"port", OPT_PORT, 'p'},
828 {"accept", OPT_PORT, 'p',
829 "TCP/IP port to accept on (default is " PORT_STR ")"},
830 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
831 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
832 {"context", OPT_CONTEXT, 's', "Set session ID context"},
833 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
834 {"Verify", OPT_UPPER_V_VERIFY, 'n',
835 "Turn on peer certificate verification, must have a cert"},
836 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
837 {"naccept", OPT_NACCEPT, 'p', "Terminate after pnum connections"},
838 {"serverinfo", OPT_SERVERINFO, 's',
839 "PEM serverinfo file for certificate"},
840 {"certform", OPT_CERTFORM, 'F',
841 "Certificate format (PEM or DER) PEM default"},
842 {"key", OPT_KEY, '<',
843 "Private Key if not in -cert; default is " TEST_CERT},
844 {"keyform", OPT_KEYFORM, 'f',
845 "Key format (PEM, DER or ENGINE) PEM default"},
846 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
847 {"dcert", OPT_DCERT, '<',
848 "Second certificate file to use (usually for DSA)"},
849 {"dcertform", OPT_DCERTFORM, 'F',
850 "Second certificate format (PEM or DER) PEM default"},
851 {"dkey", OPT_DKEY, '<',
852 "Second private key file to use (usually for DSA)"},
853 {"dkeyform", OPT_DKEYFORM, 'F',
854 "Second key format (PEM, DER or ENGINE) PEM default"},
855 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
856 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
857 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
858 {"debug", OPT_DEBUG, '-', "Print more output"},
859 {"msg", OPT_MSG, '-', "Show protocol messages"},
860 {"msgfile", OPT_MSGFILE, '>'},
861 {"state", OPT_STATE, '-', "Print the SSL states"},
862 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
863 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
864 {"no-CAfile", OPT_NOCAFILE, '-',
865 "Do not load the default certificates file"},
866 {"no-CApath", OPT_NOCAPATH, '-',
867 "Do not load certificates from the default certificates directory"},
868 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
869 {"quiet", OPT_QUIET, '-', "No server output"},
870 {"no_tmp_rsa", OPT_NO_TMP_RSA, '-', "Do not generate a tmp RSA key"},
871 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
872 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
873 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
874 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
875 "Disable caching and tickets if ephemeral (EC)DH is used"},
876 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
877 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
878 {"servername", OPT_SERVERNAME, 's',
879 "Servername for HostName TLS extension"},
880 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
881 "mismatch send fatal alert (default warning alert)"},
882 {"cert2", OPT_CERT2, '<',
883 "Certificate file to use for servername; default is" TEST_CERT2},
884 {"key2", OPT_KEY2, '<',
885 "-Private Key file to use for servername if not in -cert2"},
886 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
887 "Hex dump of all TLS extensions received"},
888 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path incluedes HTTP headers"},
889 {"id_prefix", OPT_ID_PREFIX, 's',
890 "Generate SSL/TLS session IDs prefixed by arg"},
891 {"rand", OPT_RAND, 's',
892 "Load the file(s) into the random number generator"},
893 {"keymatexport", OPT_KEYMATEXPORT, 's',
894 "Export keying material using label"},
895 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
896 "Export len bytes of keying material (default 20)"},
897 {"CRL", OPT_CRL, '<'},
898 {"crl_download", OPT_CRL_DOWNLOAD, '-'},
899 {"cert_chain", OPT_CERT_CHAIN, '<'},
900 {"dcert_chain", OPT_DCERT_CHAIN, '<'},
901 {"chainCApath", OPT_CHAINCAPATH, '/'},
902 {"verifyCApath", OPT_VERIFYCAPATH, '/'},
903 {"no_cache", OPT_NO_CACHE, '-'},
904 {"ext_cache", OPT_EXT_CACHE, '-'},
905 {"CRLform", OPT_CRLFORM, 'F'},
906 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-'},
907 {"verify_quiet", OPT_VERIFY_QUIET, '-'},
908 {"build_chain", OPT_BUILD_CHAIN, '-'},
909 {"chainCAfile", OPT_CHAINCAFILE, '<'},
910 {"verifyCAfile", OPT_VERIFYCAFILE, '<'},
911 {"ign_eof", OPT_IGN_EOF, '-'},
912 {"no_ign_eof", OPT_NO_IGN_EOF, '-'},
913 {"status", OPT_STATUS, '-'},
914 {"status_verbose", OPT_STATUS_VERBOSE, '-'},
915 {"status_timeout", OPT_STATUS_TIMEOUT, 'n'},
916 {"status_url", OPT_STATUS_URL, 's'},
917 {"trace", OPT_TRACE, '-'},
918 {"security_debug", OPT_SECURITY_DEBUG, '-'},
919 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-'},
920 {"brief", OPT_BRIEF, '-'},
921 {"rev", OPT_REV, '-'},
922 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
927 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
929 #ifndef OPENSSL_NO_PSK
930 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
931 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
932 # ifndef OPENSSL_NO_JPAKE
933 {"jpake", OPT_JPAKE, 's', "JPAKE secret to use"},
936 #ifndef OPENSSL_NO_SRP
937 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
938 {"srpuserseed", OPT_SRPUSERSEED, 's',
939 "A seed string for a default user salt"},
941 #ifndef OPENSSL_NO_SSL3
942 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
944 #ifndef OPENSSL_NO_DTLS1
945 {"dtls", OPT_DTLS, '-'},
946 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
947 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
948 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
949 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
950 {"chain", OPT_CHAIN, '-', "Read a certificate chain"},
951 {"listen", OPT_LISTEN, '-',
952 "Listen for a DTLS ClientHello with a cookie and then connect"},
954 #ifndef OPENSSL_NO_DH
955 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
957 #ifndef OPENSSL_NO_EC
958 {"no_ecdhe", OPT_NO_ECDHE, '-', "Disable ephemeral ECDH"},
960 #ifndef OPENSSL_NO_NEXTPROTONEG
961 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
962 "Set the advertised protocols for the NPN extension (comma-separated list)"},
964 #ifndef OPENSSL_NO_SRTP
965 {"use_srtp", OPT_SRTP_PROFILES, 's',
966 "Offer SRTP key management with a colon-separated profile list"},
967 {"alpn", OPT_ALPN, 's',
968 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
970 #ifndef OPENSSL_NO_ENGINE
971 {"engine", OPT_ENGINE, 's'},
976 int s_server_main(int argc, char *argv[])
979 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
980 SSL_CONF_CTX *cctx = NULL;
981 const SSL_METHOD *meth = TLS_server_method();
982 SSL_EXCERT *exc = NULL;
983 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
984 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
985 STACK_OF(X509_CRL) *crls = NULL;
986 X509 *s_cert = NULL, *s_dcert = NULL;
987 X509_VERIFY_PARAM *vpm = NULL;
988 char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
989 #ifndef OPENSSL_NO_DH
992 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
993 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
994 char *crl_file = NULL, *prog;
995 #ifndef OPENSSL_NO_PSK
998 const char *unix_path = NULL;
1000 int unlink_unix_path = 0;
1002 int (*server_cb) (char *hostname, int s, int stype,
1003 unsigned char *context);
1004 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
1005 #ifndef OPENSSL_NO_DH
1008 int no_tmp_rsa = 0, no_ecdhe = 0, nocert = 0, ret = 1;
1009 int noCApath = 0, noCAfile = 0;
1010 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1011 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1012 int rev = 0, naccept = -1, sdebug = 0, socket_type = SOCK_STREAM;
1013 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1014 unsigned short port = PORT;
1015 unsigned char *context = NULL;
1017 EVP_PKEY *s_key2 = NULL;
1018 X509 *s_cert2 = NULL;
1019 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1020 #ifndef OPENSSL_NO_NEXTPROTONEG
1021 const char *next_proto_neg_in = NULL;
1022 tlsextnextprotoctx next_proto = { NULL, 0 };
1024 const char *alpn_in = NULL;
1025 tlsextalpnctx alpn_ctx = { NULL, 0 };
1026 #ifndef OPENSSL_NO_PSK
1027 /* by default do not send a PSK identity hint */
1028 static char *psk_identity_hint = NULL;
1030 #ifndef OPENSSL_NO_SRP
1031 char *srpuserseed = NULL;
1032 char *srp_verifier_file = NULL;
1039 cctx = SSL_CONF_CTX_new();
1040 vpm = X509_VERIFY_PARAM_new();
1041 if (cctx == NULL || vpm == NULL)
1043 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1045 prog = opt_init(argc, argv, s_server_options);
1046 while ((o = opt_next()) != OPT_EOF) {
1048 #ifdef OPENSSL_NO_PSK
1052 #ifdef OPENSSL_NO_DTLS1
1063 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1066 opt_help(s_server_options);
1071 if (!extract_port(opt_arg(), &port))
1076 BIO_printf(bio_err, "unix domain sockets unsupported\n");
1079 unix_path = opt_arg();
1084 BIO_printf(bio_err, "unix domain sockets unsupported\n");
1087 unlink_unix_path = 1;
1091 naccept = atol(opt_arg());
1094 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1095 verify_depth = atoi(opt_arg());
1097 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1099 case OPT_UPPER_V_VERIFY:
1101 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1102 SSL_VERIFY_CLIENT_ONCE;
1103 verify_depth = atoi(opt_arg());
1106 "verify depth is %d, must return a certificate\n",
1110 context = (unsigned char *)opt_arg();
1113 s_cert_file = opt_arg();
1116 crl_file = opt_arg();
1118 case OPT_CRL_DOWNLOAD:
1121 case OPT_SERVERINFO:
1122 s_serverinfo_file = opt_arg();
1125 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1129 s_key_file = opt_arg();
1132 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1136 passarg = opt_arg();
1138 case OPT_CERT_CHAIN:
1139 s_chain_file = opt_arg();
1142 #ifndef OPENSSL_NO_DH
1147 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1151 s_dcert_file = opt_arg();
1154 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1158 dpassarg = opt_arg();
1161 s_dkey_file = opt_arg();
1163 case OPT_DCERT_CHAIN:
1164 s_dchain_file = opt_arg();
1175 case OPT_CHAINCAPATH:
1176 chCApath = opt_arg();
1178 case OPT_VERIFYCAPATH:
1179 vfyCApath = opt_arg();
1188 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1192 if (ssl_args == NULL)
1193 ssl_args = sk_OPENSSL_STRING_new_null();
1194 if (ssl_args == NULL
1195 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1196 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1197 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1202 if (!opt_verify(o, vpm))
1207 if (!args_excert(o, &exc))
1210 case OPT_VERIFY_RET_ERROR:
1211 verify_return_error = 1;
1213 case OPT_VERIFY_QUIET:
1216 case OPT_BUILD_CHAIN:
1225 case OPT_CHAINCAFILE:
1226 chCAfile = opt_arg();
1228 case OPT_VERIFYCAFILE:
1229 vfyCAfile = opt_arg();
1235 s_nbio = s_nbio_test = 1;
1240 case OPT_NO_IGN_EOF:
1246 case OPT_TLSEXTDEBUG:
1252 case OPT_STATUS_VERBOSE:
1253 s_tlsextstatus = tlscstatp.verbose = 1;
1255 case OPT_STATUS_TIMEOUT:
1257 tlscstatp.timeout = atoi(opt_arg());
1259 case OPT_STATUS_URL:
1261 if (!OCSP_parse_url(opt_arg(),
1264 &tlscstatp.path, &tlscstatp.use_ssl)) {
1265 BIO_printf(bio_err, "Error parsing URL\n");
1273 bio_s_msg = BIO_new_file(opt_arg(), "w");
1276 #ifndef OPENSSL_NO_SSL_TRACE
1281 case OPT_SECURITY_DEBUG:
1284 case OPT_SECURITY_DEBUG_VERBOSE:
1297 s_quiet = s_brief = verify_quiet = 1;
1299 case OPT_NO_TMP_RSA:
1303 #ifndef OPENSSL_NO_DH
1310 case OPT_NO_RESUME_EPHEMERAL:
1311 no_resume_ephemeral = 1;
1313 #ifndef OPENSSL_NO_PSK
1315 psk_identity_hint = opt_arg();
1318 for (p = psk_key = opt_arg(); *p; p++) {
1321 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1326 #ifndef OPENSSL_NO_SRP
1328 srp_verifier_file = opt_arg();
1329 meth = TLSv1_server_method();
1331 case OPT_SRPUSERSEED:
1332 srpuserseed = opt_arg();
1333 meth = TLSv1_server_method();
1337 case OPT_SRPUSERSEED:
1353 #ifndef OPENSSL_NO_SSL3
1354 meth = SSLv3_server_method();
1358 meth = TLSv1_2_server_method();
1361 meth = TLSv1_1_server_method();
1364 meth = TLSv1_server_method();
1366 #ifndef OPENSSL_NO_DTLS1
1368 meth = DTLS_server_method();
1369 socket_type = SOCK_DGRAM;
1372 meth = DTLSv1_server_method();
1373 socket_type = SOCK_DGRAM;
1376 meth = DTLSv1_2_server_method();
1377 socket_type = SOCK_DGRAM;
1380 enable_timeouts = 1;
1383 socket_mtu = atol(opt_arg());
1402 session_id_prefix = opt_arg();
1405 e = setup_engine(opt_arg(), 1);
1410 case OPT_SERVERNAME:
1411 tlsextcbp.servername = opt_arg();
1413 case OPT_SERVERNAME_FATAL:
1414 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1417 s_cert_file2 = opt_arg();
1420 s_key_file2 = opt_arg();
1422 case OPT_NEXTPROTONEG:
1423 # ifndef OPENSSL_NO_NEXTPROTONEG
1424 next_proto_neg_in = opt_arg();
1428 alpn_in = opt_arg();
1430 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1432 jpake_secret = opt_arg();
1438 case OPT_SRTP_PROFILES:
1439 srtp_profiles = opt_arg();
1441 case OPT_KEYMATEXPORT:
1442 keymatexportlabel = opt_arg();
1444 case OPT_KEYMATEXPORTLEN:
1445 keymatexportlen = atoi(opt_arg());
1452 argc = opt_num_rest();
1455 #ifndef OPENSSL_NO_DTLS1
1456 if (www && socket_type == SOCK_DGRAM) {
1457 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1461 if (dtlslisten && socket_type != SOCK_DGRAM) {
1462 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1467 if (unix_path && (socket_type != SOCK_STREAM)) {
1469 "Can't use unix sockets and datagrams together\n");
1472 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1475 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1478 psk_identity = "JPAKE";
1482 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1483 BIO_printf(bio_err, "Error getting password\n");
1487 if (s_key_file == NULL)
1488 s_key_file = s_cert_file;
1490 if (s_key_file2 == NULL)
1491 s_key_file2 = s_cert_file2;
1493 if (!load_excert(&exc))
1497 s_key = load_key(s_key_file, s_key_format, 0, pass, e,
1498 "server certificate private key file");
1500 ERR_print_errors(bio_err);
1504 s_cert = load_cert(s_cert_file, s_cert_format,
1505 NULL, e, "server certificate file");
1508 ERR_print_errors(bio_err);
1512 s_chain = load_certs(s_chain_file, FORMAT_PEM,
1513 NULL, e, "server certificate chain");
1518 if (tlsextcbp.servername) {
1519 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, e,
1520 "second server certificate private key file");
1522 ERR_print_errors(bio_err);
1526 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1527 NULL, e, "second server certificate file");
1530 ERR_print_errors(bio_err);
1535 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1536 if (next_proto_neg_in) {
1538 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1539 if (next_proto.data == NULL)
1541 next_proto.len = len;
1543 next_proto.data = NULL;
1546 alpn_ctx.data = NULL;
1549 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1550 if (alpn_ctx.data == NULL)
1557 crl = load_crl(crl_file, crl_format);
1559 BIO_puts(bio_err, "Error loading CRL\n");
1560 ERR_print_errors(bio_err);
1563 crls = sk_X509_CRL_new_null();
1564 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1565 BIO_puts(bio_err, "Error adding CRL\n");
1566 ERR_print_errors(bio_err);
1574 if (s_dkey_file == NULL)
1575 s_dkey_file = s_dcert_file;
1577 s_dkey = load_key(s_dkey_file, s_dkey_format,
1578 0, dpass, e, "second certificate private key file");
1580 ERR_print_errors(bio_err);
1584 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1585 NULL, e, "second server certificate file");
1588 ERR_print_errors(bio_err);
1591 if (s_dchain_file) {
1592 s_dchain = load_certs(s_dchain_file, FORMAT_PEM,
1593 NULL, e, "second server certificate chain");
1600 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1601 && !RAND_status()) {
1603 "warning, not much extra random data, consider using the -rand option\n");
1606 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1607 app_RAND_load_files(inrand));
1609 if (bio_s_out == NULL) {
1610 if (s_quiet && !s_debug) {
1611 bio_s_out = BIO_new(BIO_s_null());
1612 if (s_msg && !bio_s_msg)
1613 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1615 if (bio_s_out == NULL)
1616 bio_s_out = dup_bio_out(FORMAT_TEXT);
1619 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1625 s_dcert_file = NULL;
1627 s_cert_file2 = NULL;
1631 ctx = SSL_CTX_new(meth);
1633 ssl_ctx_security_debug(ctx, sdebug);
1635 ERR_print_errors(bio_err);
1638 if (session_id_prefix) {
1639 if (strlen(session_id_prefix) >= 32)
1641 "warning: id_prefix is too long, only one new session will be possible\n");
1642 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1643 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1644 ERR_print_errors(bio_err);
1647 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1649 SSL_CTX_set_quiet_shutdown(ctx, 1);
1651 ssl_ctx_set_excert(ctx, exc);
1654 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1656 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1658 init_session_cache_ctx(ctx);
1660 SSL_CTX_sess_set_cache_size(ctx, 128);
1663 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1664 ASYNC_init_pool(0, 0, 0);
1667 #ifndef OPENSSL_NO_SRTP
1668 if (srtp_profiles != NULL) {
1669 /* Returns 0 on success! */
1670 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1671 BIO_printf(bio_err, "Error setting SRTP profile\n");
1672 ERR_print_errors(bio_err);
1678 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1679 ERR_print_errors(bio_err);
1682 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1683 BIO_printf(bio_err, "Error setting verify params\n");
1684 ERR_print_errors(bio_err);
1688 ssl_ctx_add_crls(ctx, crls, 0);
1689 if (!config_ctx(cctx, ssl_args, ctx, no_ecdhe, jpake_secret == NULL))
1692 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1693 crls, crl_download)) {
1694 BIO_printf(bio_err, "Error loading store locations\n");
1695 ERR_print_errors(bio_err);
1700 ctx2 = SSL_CTX_new(meth);
1702 ERR_print_errors(bio_err);
1708 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1711 ssl_ctx_security_debug(ctx, sdebug);
1713 if (session_id_prefix) {
1714 if (strlen(session_id_prefix) >= 32)
1716 "warning: id_prefix is too long, only one new session will be possible\n");
1717 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1718 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1719 ERR_print_errors(bio_err);
1722 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1724 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1726 ssl_ctx_set_excert(ctx2, exc);
1729 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1732 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1734 init_session_cache_ctx(ctx2);
1736 SSL_CTX_sess_set_cache_size(ctx2, 128);
1739 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1741 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1742 (!SSL_CTX_set_default_verify_paths(ctx2))) {
1743 ERR_print_errors(bio_err);
1745 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1746 BIO_printf(bio_err, "Error setting verify params\n");
1747 ERR_print_errors(bio_err);
1751 ssl_ctx_add_crls(ctx2, crls, 0);
1752 if (!config_ctx(cctx, ssl_args, ctx2, no_ecdhe, jpake_secret == NULL))
1755 #ifndef OPENSSL_NO_NEXTPROTONEG
1756 if (next_proto.data)
1757 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1761 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1763 #ifndef OPENSSL_NO_DH
1768 dh = load_dh_param(dhfile);
1769 else if (s_cert_file)
1770 dh = load_dh_param(s_cert_file);
1773 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1775 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1777 (void)BIO_flush(bio_s_out);
1780 SSL_CTX_set_dh_auto(ctx, 1);
1781 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1782 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1783 ERR_print_errors(bio_err);
1790 DH *dh2 = load_dh_param(s_cert_file2);
1792 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1793 (void)BIO_flush(bio_s_out);
1800 SSL_CTX_set_dh_auto(ctx2, 1);
1801 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1802 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1803 ERR_print_errors(bio_err);
1812 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1815 if (s_serverinfo_file != NULL
1816 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1817 ERR_print_errors(bio_err);
1821 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1824 if (s_dcert != NULL) {
1825 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1828 #ifndef OPENSSL_NO_RSA
1830 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb);
1832 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb);
1836 if (no_resume_ephemeral) {
1837 SSL_CTX_set_not_resumable_session_callback(ctx,
1838 not_resumable_sess_cb);
1841 SSL_CTX_set_not_resumable_session_callback(ctx2,
1842 not_resumable_sess_cb);
1844 #ifndef OPENSSL_NO_PSK
1845 # ifdef OPENSSL_NO_JPAKE
1846 if (psk_key != NULL)
1848 if (psk_key != NULL || jpake_secret)
1852 BIO_printf(bio_s_out,
1853 "PSK key given or JPAKE in use, 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 if (s_tlsextstatus) {
1918 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1919 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1921 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
1922 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
1926 BIO_printf(bio_s_out, "ACCEPT\n");
1927 (void)BIO_flush(bio_s_out);
1929 server_cb = rev_body;
1931 server_cb = www_body;
1933 server_cb = sv_body;
1936 if (unlink_unix_path)
1938 do_server_unix(unix_path, &accept_socket, server_cb, context,
1942 do_server(port, socket_type, &accept_socket, server_cb, context,
1944 print_stats(bio_s_out, ctx);
1949 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1951 EVP_PKEY_free(s_key);
1952 EVP_PKEY_free(s_dkey);
1953 sk_X509_pop_free(s_chain, X509_free);
1954 sk_X509_pop_free(s_dchain, X509_free);
1956 OPENSSL_free(dpass);
1957 X509_VERIFY_PARAM_free(vpm);
1959 OPENSSL_free(tlscstatp.host);
1960 OPENSSL_free(tlscstatp.port);
1961 OPENSSL_free(tlscstatp.path);
1964 EVP_PKEY_free(s_key2);
1965 BIO_free(serverinfo_in);
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 BIO_free(bio_s_out);
1975 BIO_free(bio_s_msg);
1983 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1985 BIO_printf(bio, "%4ld items in the session cache\n",
1986 SSL_CTX_sess_number(ssl_ctx));
1987 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1988 SSL_CTX_sess_connect(ssl_ctx));
1989 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1990 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1991 BIO_printf(bio, "%4ld client connects that finished\n",
1992 SSL_CTX_sess_connect_good(ssl_ctx));
1993 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1994 SSL_CTX_sess_accept(ssl_ctx));
1995 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1996 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1997 BIO_printf(bio, "%4ld server accepts that finished\n",
1998 SSL_CTX_sess_accept_good(ssl_ctx));
1999 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2000 BIO_printf(bio, "%4ld session cache misses\n",
2001 SSL_CTX_sess_misses(ssl_ctx));
2002 BIO_printf(bio, "%4ld session cache timeouts\n",
2003 SSL_CTX_sess_timeouts(ssl_ctx));
2004 BIO_printf(bio, "%4ld callback cache hits\n",
2005 SSL_CTX_sess_cb_hits(ssl_ctx));
2006 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2007 SSL_CTX_sess_cache_full(ssl_ctx),
2008 SSL_CTX_sess_get_cache_size(ssl_ctx));
2011 static void wait_for_async(SSL *s)
2016 fd = SSL_get_async_wait_fd(s);
2022 openssl_fdset(fd, &asyncfds);
2023 select(width, (void *)&asyncfds, NULL, NULL, NULL);
2026 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2035 struct timeval timeout;
2036 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2039 struct timeval *timeoutp;
2042 buf = app_malloc(bufsize, "server buffer");
2045 unsigned long sl = 1;
2048 BIO_printf(bio_err, "turning on non blocking io\n");
2049 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
2050 ERR_print_errors(bio_err);
2057 if (s_tlsextdebug) {
2058 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2059 SSL_set_tlsext_debug_arg(con, bio_s_out);
2063 && !SSL_set_session_id_context(con,
2064 context, strlen((char *)context))) {
2065 BIO_printf(bio_err, "Error setting session id context\n");
2070 if (!SSL_clear(con)) {
2071 BIO_printf(bio_err, "Error clearing SSL connection\n");
2076 if (stype == SOCK_DGRAM) {
2078 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2080 if (enable_timeouts) {
2082 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2083 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2086 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2087 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2091 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2092 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2093 DTLS_get_link_min_mtu(con));
2098 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2099 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2100 BIO_printf(bio_err, "Failed to set MTU\n");
2106 /* want to do MTU discovery */
2107 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2109 /* turn on cookie exchange */
2110 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2112 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2117 test = BIO_new(BIO_f_nbio_test());
2118 sbio = BIO_push(test, sbio);
2120 #ifndef OPENSSL_NO_JPAKE
2122 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2125 SSL_set_bio(con, sbio, sbio);
2126 SSL_set_accept_state(con);
2127 /* SSL_set_fd(con,s); */
2130 SSL_set_debug(con, 1);
2131 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2132 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2135 #ifndef OPENSSL_NO_SSL_TRACE
2137 SSL_set_msg_callback(con, SSL_trace);
2140 SSL_set_msg_callback(con, msg_cb);
2141 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2144 if (s_tlsextdebug) {
2145 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2146 SSL_set_tlsext_debug_arg(con, bio_s_out);
2151 int read_from_terminal;
2152 int read_from_sslcon;
2154 read_from_terminal = 0;
2155 read_from_sslcon = SSL_pending(con);
2157 if (!read_from_sslcon) {
2159 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
2160 openssl_fdset(fileno(stdin), &readfds);
2162 openssl_fdset(s, &readfds);
2164 * Note: under VMS with SOCKETSHR the second parameter is
2165 * currently of type (int *) whereas under other systems it is
2166 * (void *) if you don't have a cast it will choke the compiler:
2167 * if you do have a cast then you can either go for (int *) or
2170 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2172 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2173 * only on sockets. As a workaround we timeout the select every
2174 * second and check for any keypress. In a proper Windows
2175 * application we wouldn't do this because it is inefficient.
2179 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2180 if ((i < 0) || (!i && !_kbhit()))
2183 read_from_terminal = 1;
2185 if ((SSL_version(con) == DTLS1_VERSION) &&
2186 DTLSv1_get_timeout(con, &timeout))
2187 timeoutp = &timeout;
2191 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2193 if ((SSL_version(con) == DTLS1_VERSION)
2194 && DTLSv1_handle_timeout(con) > 0) {
2195 BIO_printf(bio_err, "TIMEOUT occurred\n");
2200 if (FD_ISSET(fileno(stdin), &readfds))
2201 read_from_terminal = 1;
2203 if (FD_ISSET(s, &readfds))
2204 read_from_sslcon = 1;
2206 if (read_from_terminal) {
2210 i = raw_read_stdin(buf, bufsize / 2);
2212 /* both loops are skipped when i <= 0 */
2213 for (j = 0; j < i; j++)
2216 for (j = i - 1; j >= 0; j--) {
2217 buf[j + lf_num] = buf[j];
2218 if (buf[j] == '\n') {
2221 buf[j + lf_num] = '\r';
2224 assert(lf_num == 0);
2226 i = raw_read_stdin(buf, bufsize);
2227 if (!s_quiet && !s_brief) {
2228 if ((i <= 0) || (buf[0] == 'Q')) {
2229 BIO_printf(bio_s_out, "DONE\n");
2230 (void)BIO_flush(bio_s_out);
2232 close_accept_socket();
2236 if ((i <= 0) || (buf[0] == 'q')) {
2237 BIO_printf(bio_s_out, "DONE\n");
2238 (void)BIO_flush(bio_s_out);
2239 if (SSL_version(con) != DTLS1_VERSION)
2242 * close_accept_socket(); ret= -11;
2246 #ifndef OPENSSL_NO_HEARTBEATS
2247 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2248 BIO_printf(bio_err, "HEARTBEATING\n");
2254 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2255 SSL_renegotiate(con);
2256 i = SSL_do_handshake(con);
2257 printf("SSL_do_handshake -> %d\n", i);
2261 * strcpy(buf,"server side RE-NEGOTIATE\n");
2264 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2266 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2268 SSL_renegotiate(con);
2269 i = SSL_do_handshake(con);
2270 printf("SSL_do_handshake -> %d\n", i);
2274 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2278 if (buf[0] == 'P') {
2279 static const char *str = "Lets print some clear text\n";
2280 BIO_write(SSL_get_wbio(con), str, strlen(str));
2282 if (buf[0] == 'S') {
2283 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2286 #ifdef CHARSET_EBCDIC
2287 ebcdic2ascii(buf, buf, i);
2291 /* should do a select for the write */
2295 if (++count == 100) {
2297 SSL_renegotiate(con);
2301 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2302 #ifndef OPENSSL_NO_SRP
2303 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2304 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2305 srp_callback_parm.user =
2306 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2307 srp_callback_parm.login);
2308 if (srp_callback_parm.user)
2309 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2310 srp_callback_parm.user->info);
2312 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2313 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2316 switch (SSL_get_error(con, k)) {
2317 case SSL_ERROR_NONE:
2319 case SSL_ERROR_WANT_ASYNC:
2320 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2321 wait_for_async(con);
2323 case SSL_ERROR_WANT_WRITE:
2324 case SSL_ERROR_WANT_READ:
2325 case SSL_ERROR_WANT_X509_LOOKUP:
2326 BIO_printf(bio_s_out, "Write BLOCK\n");
2328 case SSL_ERROR_SYSCALL:
2330 BIO_printf(bio_s_out, "ERROR\n");
2331 (void)BIO_flush(bio_s_out);
2332 ERR_print_errors(bio_err);
2336 case SSL_ERROR_ZERO_RETURN:
2337 BIO_printf(bio_s_out, "DONE\n");
2338 (void)BIO_flush(bio_s_out);
2350 if (read_from_sslcon) {
2351 if (!SSL_is_init_finished(con)) {
2352 i = init_ssl_connection(con);
2357 } else if (i == 0) {
2363 i = SSL_read(con, (char *)buf, bufsize);
2364 #ifndef OPENSSL_NO_SRP
2365 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2366 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2367 srp_callback_parm.user =
2368 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2369 srp_callback_parm.login);
2370 if (srp_callback_parm.user)
2371 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2372 srp_callback_parm.user->info);
2374 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2375 i = SSL_read(con, (char *)buf, bufsize);
2378 switch (SSL_get_error(con, i)) {
2379 case SSL_ERROR_NONE:
2380 #ifdef CHARSET_EBCDIC
2381 ascii2ebcdic(buf, buf, i);
2383 raw_write_stdout(buf, (unsigned int)i);
2384 if (SSL_pending(con))
2387 case SSL_ERROR_WANT_ASYNC:
2388 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2389 wait_for_async(con);
2391 case SSL_ERROR_WANT_WRITE:
2392 case SSL_ERROR_WANT_READ:
2393 BIO_printf(bio_s_out, "Read BLOCK\n");
2395 case SSL_ERROR_SYSCALL:
2397 BIO_printf(bio_s_out, "ERROR\n");
2398 (void)BIO_flush(bio_s_out);
2399 ERR_print_errors(bio_err);
2402 case SSL_ERROR_ZERO_RETURN:
2403 BIO_printf(bio_s_out, "DONE\n");
2404 (void)BIO_flush(bio_s_out);
2413 BIO_printf(bio_s_out, "shutting down SSL\n");
2414 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2417 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2418 OPENSSL_clear_free(buf, bufsize);
2420 BIO_printf(bio_s_out, "ACCEPT\n");
2421 (void)BIO_flush(bio_s_out);
2425 static void close_accept_socket(void)
2427 BIO_printf(bio_err, "shutdown accept socket\n");
2428 if (accept_socket >= 0) {
2429 SHUTDOWN2(accept_socket);
2433 static int init_ssl_connection(SSL *con)
2440 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2441 const unsigned char *next_proto_neg;
2442 unsigned next_proto_neg_len;
2444 unsigned char *exportedkeymat;
2445 struct sockaddr_storage client;
2447 #ifndef OPENSSL_NO_DTLS1
2449 i = DTLSv1_listen(con, &client);
2454 wbio = SSL_get_wbio(con);
2456 BIO_get_fd(wbio, &fd);
2459 if(!wbio || connect(fd, (struct sockaddr *)&client,
2460 sizeof(struct sockaddr_storage))) {
2461 BIO_printf(bio_err, "ERROR - unable to connect\n");
2465 i = SSL_accept(con);
2471 i = SSL_accept(con);
2473 #ifdef CERT_CB_TEST_RETRY
2475 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2476 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2478 "LOOKUP from certificate callback during accept\n");
2479 i = SSL_accept(con);
2484 #ifndef OPENSSL_NO_SRP
2485 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2486 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2487 srp_callback_parm.login);
2488 srp_callback_parm.user =
2489 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2490 srp_callback_parm.login);
2491 if (srp_callback_parm.user)
2492 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2493 srp_callback_parm.user->info);
2495 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2496 i = SSL_accept(con);
2499 } while (i < 0 && SSL_waiting_for_async(con));
2502 if ((dtlslisten && i == 0)
2503 || (!dtlslisten && BIO_sock_should_retry(i))) {
2504 BIO_printf(bio_s_out, "DELAY\n");
2508 BIO_printf(bio_err, "ERROR\n");
2510 verify_err = SSL_get_verify_result(con);
2511 if (verify_err != X509_V_OK) {
2512 BIO_printf(bio_err, "verify error:%s\n",
2513 X509_verify_cert_error_string(verify_err));
2515 /* Always print any error messages */
2516 ERR_print_errors(bio_err);
2521 print_ssl_summary(con);
2523 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2525 peer = SSL_get_peer_certificate(con);
2527 BIO_printf(bio_s_out, "Client certificate\n");
2528 PEM_write_bio_X509(bio_s_out, peer);
2529 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2530 BIO_printf(bio_s_out, "subject=%s\n", buf);
2531 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2532 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2536 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2537 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2538 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2539 ssl_print_sigalgs(bio_s_out, con);
2540 #ifndef OPENSSL_NO_EC
2541 ssl_print_point_formats(bio_s_out, con);
2542 ssl_print_curves(bio_s_out, con, 0);
2544 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2546 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2547 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2548 if (next_proto_neg) {
2549 BIO_printf(bio_s_out, "NEXTPROTO is ");
2550 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2551 BIO_printf(bio_s_out, "\n");
2554 #ifndef OPENSSL_NO_SRTP
2556 SRTP_PROTECTION_PROFILE *srtp_profile
2557 = SSL_get_selected_srtp_profile(con);
2560 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2561 srtp_profile->name);
2564 if (SSL_cache_hit(con))
2565 BIO_printf(bio_s_out, "Reused session-id\n");
2566 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2567 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2568 if (keymatexportlabel != NULL) {
2569 BIO_printf(bio_s_out, "Keying material exporter:\n");
2570 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2571 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2572 exportedkeymat = app_malloc(keymatexportlen, "export key");
2573 if (!SSL_export_keying_material(con, exportedkeymat,
2576 strlen(keymatexportlabel),
2578 BIO_printf(bio_s_out, " Error\n");
2580 BIO_printf(bio_s_out, " Keying material: ");
2581 for (i = 0; i < keymatexportlen; i++)
2582 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2583 BIO_printf(bio_s_out, "\n");
2585 OPENSSL_free(exportedkeymat);
2591 #ifndef OPENSSL_NO_DH
2592 static DH *load_dh_param(const char *dhfile)
2597 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2599 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2606 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2612 const SSL_CIPHER *c;
2613 BIO *io, *ssl_bio, *sbio;
2615 int total_bytes = 0;
2620 /* Set width for a select call if needed */
2623 buf = app_malloc(bufsize, "server www buffer");
2624 io = BIO_new(BIO_f_buffer());
2625 ssl_bio = BIO_new(BIO_f_ssl());
2626 if ((io == NULL) || (ssl_bio == NULL))
2631 unsigned long sl = 1;
2634 BIO_printf(bio_err, "turning on non blocking io\n");
2635 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
2636 ERR_print_errors(bio_err);
2640 /* lets make the output buffer a reasonable size */
2641 if (!BIO_set_write_buffer_size(io, bufsize))
2644 if ((con = SSL_new(ctx)) == NULL)
2647 if (s_tlsextdebug) {
2648 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2649 SSL_set_tlsext_debug_arg(con, bio_s_out);
2652 if (context && !SSL_set_session_id_context(con, context,
2653 strlen((char *)context)))
2656 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2660 test = BIO_new(BIO_f_nbio_test());
2661 sbio = BIO_push(test, sbio);
2663 SSL_set_bio(con, sbio, sbio);
2664 SSL_set_accept_state(con);
2666 /* SSL_set_fd(con,s); */
2667 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2668 BIO_push(io, ssl_bio);
2669 #ifdef CHARSET_EBCDIC
2670 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2674 SSL_set_debug(con, 1);
2675 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2676 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2679 #ifndef OPENSSL_NO_SSL_TRACE
2681 SSL_set_msg_callback(con, SSL_trace);
2684 SSL_set_msg_callback(con, msg_cb);
2685 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2689 i = BIO_gets(io, buf, bufsize - 1);
2690 if (i < 0) { /* error */
2691 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2693 ERR_print_errors(bio_err);
2696 BIO_printf(bio_s_out, "read R BLOCK\n");
2697 #ifndef OPENSSL_NO_SRP
2698 if (BIO_should_io_special(io)
2699 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2700 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2701 srp_callback_parm.user =
2702 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2703 srp_callback_parm.login);
2704 if (srp_callback_parm.user)
2705 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2706 srp_callback_parm.user->info);
2708 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2712 #if defined(OPENSSL_SYS_NETWARE)
2714 #elif !defined(OPENSSL_SYS_MSDOS)
2719 } else if (i == 0) { /* end of input */
2724 /* else we have data */
2725 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2726 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2729 STACK_OF(SSL_CIPHER) *sk;
2730 static const char *space = " ";
2732 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2733 if (strncmp("GET /renegcert", buf, 14) == 0)
2735 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2737 i = SSL_renegotiate(con);
2738 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2739 /* Send the HelloRequest */
2740 i = SSL_do_handshake(con);
2742 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2743 SSL_get_error(con, i));
2744 ERR_print_errors(bio_err);
2747 /* Wait for a ClientHello to come back */
2749 openssl_fdset(s, &readfds);
2750 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2751 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2752 BIO_printf(bio_s_out, "Error waiting for client response\n");
2753 ERR_print_errors(bio_err);
2757 * We're not acutally expecting any data here and we ignore
2758 * any that is sent. This is just to force the handshake that
2759 * we're expecting to come from the client. If they haven't
2760 * sent one there's not much we can do.
2762 BIO_gets(io, buf, bufsize - 1);
2766 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2767 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2768 BIO_puts(io, "<pre>\n");
2769 /* BIO_puts(io,OpenSSL_version(OPENSSL_VERSION));*/
2771 for (i = 0; i < local_argc; i++) {
2773 for (myp = local_argv[i]; *myp; myp++)
2776 BIO_puts(io, "<");
2779 BIO_puts(io, ">");
2782 BIO_puts(io, "&");
2785 BIO_write(io, myp, 1);
2788 BIO_write(io, " ", 1);
2793 "Secure Renegotiation IS%s supported\n",
2794 SSL_get_secure_renegotiation_support(con) ?
2798 * The following is evil and should not really be done
2800 BIO_printf(io, "Ciphers supported in s_server binary\n");
2801 sk = SSL_get_ciphers(con);
2802 j = sk_SSL_CIPHER_num(sk);
2803 for (i = 0; i < j; i++) {
2804 c = sk_SSL_CIPHER_value(sk, i);
2805 BIO_printf(io, "%-11s:%-25s ",
2806 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2807 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2811 p = SSL_get_shared_ciphers(con, buf, bufsize);
2814 "---\nCiphers common between both SSL end points:\n");
2818 BIO_write(io, space, 26 - j);
2821 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2823 BIO_write(io, p, 1);
2830 ssl_print_sigalgs(io, con);
2831 #ifndef OPENSSL_NO_EC
2832 ssl_print_curves(io, con, 0);
2834 BIO_printf(io, (SSL_cache_hit(con)
2835 ? "---\nReused, " : "---\nNew, "));
2836 c = SSL_get_current_cipher(con);
2837 BIO_printf(io, "%s, Cipher is %s\n",
2838 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2839 SSL_SESSION_print(io, SSL_get_session(con));
2840 BIO_printf(io, "---\n");
2841 print_stats(io, SSL_get_SSL_CTX(con));
2842 BIO_printf(io, "---\n");
2843 peer = SSL_get_peer_certificate(con);
2845 BIO_printf(io, "Client certificate\n");
2846 X509_print(io, peer);
2847 PEM_write_bio_X509(io, peer);
2849 BIO_puts(io, "no client certificate available\n");
2850 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2852 } else if ((www == 2 || www == 3)
2853 && (strncmp("GET /", buf, 5) == 0)) {
2856 static const char *text =
2857 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2863 for (e = p; *e != '\0'; e++) {
2869 dot = (e[0] == '.') ? 2 : 0;
2872 dot = (e[0] == '.') ? 3 : 0;
2875 dot = (e[0] == '/') ? -1 : 0;
2879 dot = (e[0] == '/') ? 1 : 0;
2881 dot = (dot == 3) || (dot == -1); /* filename contains ".."
2886 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
2893 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
2899 BIO_printf(io, "'%s' is an invalid path\r\n", p);
2903 /* if a directory, do the index thang */
2904 if (app_isdir(p) > 0) {
2906 BIO_printf(io, "'%s' is a directory\r\n", p);
2910 if ((file = BIO_new_file(p, "r")) == NULL) {
2912 BIO_printf(io, "Error opening '%s'\r\n", p);
2913 ERR_print_errors(io);
2918 BIO_printf(bio_err, "FILE:%s\n", p);
2922 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2923 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2924 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2926 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2929 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2933 i = BIO_read(file, buf, bufsize);
2939 BIO_printf(bio_err, "%d\n", i);
2940 if (total_bytes > 3 * 1024) {
2942 BIO_printf(bio_err, "RENEGOTIATE\n");
2943 SSL_renegotiate(con);
2947 for (j = 0; j < i;) {
2951 if (++count == 13) {
2952 SSL_renegotiate(con);
2956 k = BIO_write(io, &(buf[j]), i - j);
2958 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con))
2961 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2975 i = (int)BIO_flush(io);
2977 if (!BIO_should_retry(io))
2983 /* make sure we re-use sessions */
2984 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2988 BIO_printf(bio_s_out, "ACCEPT\n");
2994 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3000 BIO *io, *ssl_bio, *sbio;
3002 buf = app_malloc(bufsize, "server rev buffer");
3003 io = BIO_new(BIO_f_buffer());
3004 ssl_bio = BIO_new(BIO_f_ssl());
3005 if ((io == NULL) || (ssl_bio == NULL))
3008 /* lets make the output buffer a reasonable size */
3009 if (!BIO_set_write_buffer_size(io, bufsize))
3012 if ((con = SSL_new(ctx)) == NULL)
3015 if (s_tlsextdebug) {
3016 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3017 SSL_set_tlsext_debug_arg(con, bio_s_out);
3019 if (context && !SSL_set_session_id_context(con, context,
3020 strlen((char *)context))) {
3021 ERR_print_errors(bio_err);
3025 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3026 SSL_set_bio(con, sbio, sbio);
3027 SSL_set_accept_state(con);
3029 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3030 BIO_push(io, ssl_bio);
3031 #ifdef CHARSET_EBCDIC
3032 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3036 SSL_set_debug(con, 1);
3037 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3038 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3041 #ifndef OPENSSL_NO_SSL_TRACE
3043 SSL_set_msg_callback(con, SSL_trace);
3046 SSL_set_msg_callback(con, msg_cb);
3047 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3051 i = BIO_do_handshake(io);
3054 if (!BIO_should_retry(io)) {
3055 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3056 ERR_print_errors(bio_err);
3059 #ifndef OPENSSL_NO_SRP
3060 if (BIO_should_io_special(io)
3061 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3062 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3063 srp_callback_parm.user =
3064 SRP_VBASE_get_by_user(srp_callback_parm.vb,
3065 srp_callback_parm.login);
3066 if (srp_callback_parm.user)
3067 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3068 srp_callback_parm.user->info);
3070 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3075 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3076 print_ssl_summary(con);
3079 i = BIO_gets(io, buf, bufsize - 1);
3080 if (i < 0) { /* error */
3081 if (!BIO_should_retry(io)) {
3083 ERR_print_errors(bio_err);
3086 BIO_printf(bio_s_out, "read R BLOCK\n");
3087 #ifndef OPENSSL_NO_SRP
3088 if (BIO_should_io_special(io)
3089 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3090 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3091 srp_callback_parm.user =
3092 SRP_VBASE_get_by_user(srp_callback_parm.vb,
3093 srp_callback_parm.login);
3094 if (srp_callback_parm.user)
3095 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3096 srp_callback_parm.user->info);
3098 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3102 #if defined(OPENSSL_SYS_NETWARE)
3104 #elif !defined(OPENSSL_SYS_MSDOS)
3109 } else if (i == 0) { /* end of input */
3111 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3114 char *p = buf + i - 1;
3115 while (i && (*p == '\n' || *p == '\r')) {
3119 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3121 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3124 BUF_reverse((unsigned char *)buf, NULL, i);
3126 BIO_write(io, buf, i + 1);
3131 if (!BIO_should_retry(io))
3137 /* make sure we re-use sessions */
3138 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3147 #ifndef OPENSSL_NO_RSA
3148 static RSA *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3151 static RSA *rsa_tmp = NULL;
3153 if (!rsa_tmp && ((bn = BN_new()) == NULL))
3154 BIO_printf(bio_err, "Allocation error in generating RSA key\n");
3155 if (!rsa_tmp && bn) {
3157 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...",
3159 (void)BIO_flush(bio_err);
3161 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3162 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) {
3167 BIO_printf(bio_err, "\n");
3168 (void)BIO_flush(bio_err);
3176 #define MAX_SESSION_ID_ATTEMPTS 10
3177 static int generate_session_id(const SSL *ssl, unsigned char *id,
3178 unsigned int *id_len)
3180 unsigned int count = 0;
3182 if (RAND_bytes(id, *id_len) <= 0)
3185 * Prefix the session_id with the required prefix. NB: If our prefix
3186 * is too long, clip it - but there will be worse effects anyway, eg.
3187 * the server could only possibly create 1 session ID (ie. the
3188 * prefix!) so all future session negotiations will fail due to
3191 memcpy(id, session_id_prefix,
3192 (strlen(session_id_prefix) < *id_len) ?
3193 strlen(session_id_prefix) : *id_len);
3195 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3196 (++count < MAX_SESSION_ID_ATTEMPTS));
3197 if (count >= MAX_SESSION_ID_ATTEMPTS)
3203 * By default s_server uses an in-memory cache which caches SSL_SESSION
3204 * structures without any serialisation. This hides some bugs which only
3205 * become apparent in deployed servers. By implementing a basic external
3206 * session cache some issues can be debugged using s_server.
3209 typedef struct simple_ssl_session_st {
3214 struct simple_ssl_session_st *next;
3215 } simple_ssl_session;
3217 static simple_ssl_session *first = NULL;
3219 static int add_session(SSL *ssl, SSL_SESSION *session)
3221 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3224 SSL_SESSION_get_id(session, &sess->idlen);
3225 sess->derlen = i2d_SSL_SESSION(session, NULL);
3226 if (sess->derlen < 0) {
3227 BIO_printf(bio_err, "Error encoding session\n");
3232 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3233 sess->der = app_malloc(sess->derlen, "get session buffer");
3235 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3236 OPENSSL_free(sess->id);
3237 OPENSSL_free(sess->der);
3243 /* Assume it still works. */
3244 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3245 BIO_printf(bio_err, "Unexpected session encoding length\n");
3246 OPENSSL_free(sess->id);
3247 OPENSSL_free(sess->der);
3254 BIO_printf(bio_err, "New session added to external cache\n");
3258 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3261 simple_ssl_session *sess;
3263 for (sess = first; sess; sess = sess->next) {
3264 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3265 const unsigned char *p = sess->der;
3266 BIO_printf(bio_err, "Lookup session: cache hit\n");
3267 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3270 BIO_printf(bio_err, "Lookup session: cache miss\n");
3274 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3276 simple_ssl_session *sess, *prev = NULL;
3277 const unsigned char *id;
3279 id = SSL_SESSION_get_id(session, &idlen);
3280 for (sess = first; sess; sess = sess->next) {
3281 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3283 prev->next = sess->next;
3286 OPENSSL_free(sess->id);
3287 OPENSSL_free(sess->der);
3295 static void init_session_cache_ctx(SSL_CTX *sctx)
3297 SSL_CTX_set_session_cache_mode(sctx,
3298 SSL_SESS_CACHE_NO_INTERNAL |
3299 SSL_SESS_CACHE_SERVER);
3300 SSL_CTX_sess_set_new_cb(sctx, add_session);
3301 SSL_CTX_sess_set_get_cb(sctx, get_session);
3302 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3305 static void free_sessions(void)
3307 simple_ssl_session *sess, *tsess;
3308 for (sess = first; sess;) {
3309 OPENSSL_free(sess->id);
3310 OPENSSL_free(sess->der);
3313 OPENSSL_free(tsess);