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 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
194 static int sv_body(char *hostname, int s, int stype, unsigned char *context);
195 static int www_body(char *hostname, int s, int stype, unsigned char *context);
196 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
197 static void close_accept_socket(void);
198 static int init_ssl_connection(SSL *s);
199 static void print_stats(BIO *bp, SSL_CTX *ctx);
200 static int generate_session_id(const SSL *ssl, unsigned char *id,
201 unsigned int *id_len);
202 static void init_session_cache_ctx(SSL_CTX *sctx);
203 static void free_sessions(void);
204 #ifndef OPENSSL_NO_DH
205 static DH *load_dh_param(const char *dhfile);
208 static void s_server_init(void);
210 /* static int load_CA(SSL_CTX *ctx, char *file);*/
213 #define BUFSIZZ 16*1024
214 static int bufsize = BUFSIZZ;
215 static int accept_socket = -1;
217 #define TEST_CERT "server.pem"
218 #define TEST_CERT2 "server2.pem"
220 extern int verify_depth, verify_return_error, verify_quiet;
222 static int s_server_verify = SSL_VERIFY_NONE;
223 static int s_server_session_id_context = 1; /* anything will do */
224 static const char *s_cert_file = TEST_CERT, *s_key_file =
225 NULL, *s_chain_file = NULL;
227 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
228 static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
230 static int s_nbio = 0;
232 static int s_nbio_test = 0;
233 static int s_crlf = 0;
234 static SSL_CTX *ctx = NULL;
235 static SSL_CTX *ctx2 = NULL;
238 static BIO *bio_s_out = NULL;
239 static BIO *bio_s_msg = NULL;
240 static int s_debug = 0;
241 static int s_tlsextdebug = 0;
242 static int s_tlsextstatus = 0;
243 static int cert_status_cb(SSL *s, void *arg);
244 static int no_resume_ephemeral = 0;
245 static int s_msg = 0;
246 static int s_quiet = 0;
247 static int s_ign_eof = 0;
248 static int s_brief = 0;
250 static char *keymatexportlabel = NULL;
251 static int keymatexportlen = 20;
253 static int async = 0;
255 #ifndef OPENSSL_NO_ENGINE
256 static char *engine_id = NULL;
258 static const char *session_id_prefix = NULL;
260 #ifndef OPENSSL_NO_DTLS
261 static int enable_timeouts = 0;
262 static long socket_mtu;
263 static int cert_chain = 0;
265 static int dtlslisten = 0;
267 static BIO *serverinfo_in = NULL;
268 static const char *s_serverinfo_file = NULL;
270 #ifndef OPENSSL_NO_PSK
271 static char *psk_identity = "Client_identity";
272 char *psk_key = NULL; /* by default PSK is not used */
274 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
276 unsigned int max_psk_len)
278 unsigned int psk_len = 0;
283 BIO_printf(bio_s_out, "psk_server_cb\n");
285 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
289 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
290 (int)strlen(identity), identity);
292 /* here we could lookup the given identity e.g. from a database */
293 if (strcmp(identity, psk_identity) != 0) {
294 BIO_printf(bio_s_out, "PSK error: client identity not found"
295 " (got '%s' expected '%s')\n", identity, psk_identity);
299 BIO_printf(bio_s_out, "PSK client identity found\n");
301 /* convert the PSK key to binary */
302 ret = BN_hex2bn(&bn, psk_key);
304 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
309 if (BN_num_bytes(bn) > (int)max_psk_len) {
311 "psk buffer of callback is too small (%d) for key (%d)\n",
312 max_psk_len, BN_num_bytes(bn));
317 ret = BN_bn2bin(bn, psk);
322 psk_len = (unsigned int)ret;
325 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
329 BIO_printf(bio_err, "Error in PSK server callback\n");
330 (void)BIO_flush(bio_err);
331 (void)BIO_flush(bio_s_out);
336 #ifndef OPENSSL_NO_SRP
337 /* This is a context that we pass to callbacks */
338 typedef struct srpsrvparm_st {
345 * This callback pretends to require some asynchronous logic in order to
346 * obtain a verifier. When the callback is called for a new connection we
347 * return with a negative value. This will provoke the accept etc to return
348 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
349 * (which would normally occur after a worker has finished) and we set the
352 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
354 srpsrvparm *p = (srpsrvparm *) arg;
355 if (p->login == NULL && p->user == NULL) {
356 p->login = SSL_get_srp_username(s);
357 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
361 if (p->user == NULL) {
362 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
363 return SSL3_AL_FATAL;
365 if (SSL_set_srp_server_param
366 (s, p->user->N, p->user->g, p->user->s, p->user->v,
367 p->user->info) < 0) {
368 *ad = SSL_AD_INTERNAL_ERROR;
369 return SSL3_AL_FATAL;
372 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
373 p->login, p->user->info);
374 /* need to check whether there are memory leaks */
377 return SSL_ERROR_NONE;
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 #ifndef OPENSSL_NO_ENGINE
411 static int local_argc = 0;
412 static char **local_argv;
414 #ifdef CHARSET_EBCDIC
415 static int ebcdic_new(BIO *bi);
416 static int ebcdic_free(BIO *a);
417 static int ebcdic_read(BIO *b, char *out, int outl);
418 static int ebcdic_write(BIO *b, const char *in, int inl);
419 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
420 static int ebcdic_gets(BIO *bp, char *buf, int size);
421 static int ebcdic_puts(BIO *bp, const char *str);
423 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
424 static BIO_METHOD methods_ebcdic = {
425 BIO_TYPE_EBCDIC_FILTER,
426 "EBCDIC/ASCII filter",
436 /* This struct is "unwarranted chumminess with the compiler." */
442 BIO_METHOD *BIO_f_ebcdic_filter()
444 return (&methods_ebcdic);
447 static int ebcdic_new(BIO *bi)
449 EBCDIC_OUTBUFF *wbuf;
451 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
452 wbuf->alloced = 1024;
453 wbuf->buff[0] = '\0';
455 bi->ptr = (char *)wbuf;
461 static int ebcdic_free(BIO *a)
465 OPENSSL_free(a->ptr);
472 static int ebcdic_read(BIO *b, char *out, int outl)
476 if (out == NULL || outl == 0)
478 if (b->next_bio == NULL)
481 ret = BIO_read(b->next_bio, out, outl);
483 ascii2ebcdic(out, out, ret);
487 static int ebcdic_write(BIO *b, const char *in, int inl)
489 EBCDIC_OUTBUFF *wbuf;
494 if ((in == NULL) || (inl <= 0))
496 if (b->next_bio == NULL)
499 wbuf = (EBCDIC_OUTBUFF *) b->ptr;
501 if (inl > (num = wbuf->alloced)) {
502 num = num + num; /* double the size */
505 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
506 OPENSSL_free(b->ptr);
509 wbuf->buff[0] = '\0';
511 b->ptr = (char *)wbuf;
514 ebcdic2ascii(wbuf->buff, in, inl);
516 ret = BIO_write(b->next_bio, wbuf->buff, inl);
521 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
525 if (b->next_bio == NULL)
532 ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
538 static int ebcdic_gets(BIO *bp, char *buf, int size)
541 if (bp->next_bio == NULL)
543 /* return(BIO_gets(bp->next_bio,buf,size));*/
544 for (i = 0; i < size - 1; ++i) {
545 ret = ebcdic_read(bp, &buf[i], 1);
548 else if (buf[i] == '\n') {
555 return (ret < 0 && i == 0) ? ret : i;
558 static int ebcdic_puts(BIO *bp, const char *str)
560 if (bp->next_bio == NULL)
562 return ebcdic_write(bp, str, strlen(str));
566 /* This is a context that we pass to callbacks */
567 typedef struct tlsextctx_st {
573 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
575 tlsextctx *p = (tlsextctx *) arg;
576 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
577 if (servername && p->biodebug)
578 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
582 return SSL_TLSEXT_ERR_NOACK;
585 if (strcasecmp(servername, p->servername))
586 return p->extension_error;
588 BIO_printf(p->biodebug, "Switching server context.\n");
589 SSL_set_SSL_CTX(s, ctx2);
592 return SSL_TLSEXT_ERR_OK;
595 /* Structure passed to cert status callback */
597 typedef struct tlsextstatusctx_st {
598 /* Default responder to use */
599 char *host, *path, *port;
605 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 };
608 * Certificate Status callback. This is called when a client includes a
609 * certificate status request extension. This is a simplified version. It
610 * examines certificates each time and makes one OCSP responder query for
611 * each request. A full version would store details such as the OCSP
612 * certificate IDs and minimise the number of OCSP responses by caching them
613 * until they were considered "expired".
616 static int cert_status_cb(SSL *s, void *arg)
618 tlsextstatusctx *srctx = arg;
619 char *host = NULL, *port = NULL, *path = NULL;
621 unsigned char *rspder = NULL;
623 STACK_OF(OPENSSL_STRING) *aia = NULL;
625 X509_STORE_CTX inctx;
627 OCSP_REQUEST *req = NULL;
628 OCSP_RESPONSE *resp = NULL;
629 OCSP_CERTID *id = NULL;
630 STACK_OF(X509_EXTENSION) *exts;
631 int ret = SSL_TLSEXT_ERR_NOACK;
635 BIO_puts(bio_err, "cert_status: callback called\n");
636 /* Build up OCSP query from server certificate */
637 x = SSL_get_certificate(s);
638 aia = X509_get1_ocsp(x);
640 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
641 &host, &port, &path, &use_ssl)) {
642 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
646 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
647 sk_OPENSSL_STRING_value(aia, 0));
651 "cert_status: no AIA and no default responder URL\n");
657 use_ssl = srctx->use_ssl;
660 if (!X509_STORE_CTX_init(&inctx,
661 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
664 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
665 X509_get_issuer_name(x), &obj) <= 0) {
666 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
667 X509_STORE_CTX_cleanup(&inctx);
670 req = OCSP_REQUEST_new();
673 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
674 X509_free(obj.data.x509);
675 X509_STORE_CTX_cleanup(&inctx);
678 if (!OCSP_request_add0_id(req, id))
681 /* Add any extensions to the request */
682 SSL_get_tlsext_status_exts(s, &exts);
683 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
684 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
685 if (!OCSP_REQUEST_add_ext(req, ext, -1))
688 resp = process_responder(req, host, path, port, use_ssl, NULL,
691 BIO_puts(bio_err, "cert_status: error querying responder\n");
694 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
697 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
698 if (srctx->verbose) {
699 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
700 OCSP_RESPONSE_print(bio_err, resp, 2);
702 ret = SSL_TLSEXT_ERR_OK;
704 if (ret != SSL_TLSEXT_ERR_OK)
705 ERR_print_errors(bio_err);
710 X509_email_free(aia);
712 OCSP_CERTID_free(id);
713 OCSP_REQUEST_free(req);
714 OCSP_RESPONSE_free(resp);
717 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
721 #ifndef OPENSSL_NO_NEXTPROTONEG
722 /* This is the context that we pass to next_proto_cb */
723 typedef struct tlsextnextprotoctx_st {
726 } tlsextnextprotoctx;
728 static int next_proto_cb(SSL *s, const unsigned char **data,
729 unsigned int *len, void *arg)
731 tlsextnextprotoctx *next_proto = arg;
733 *data = next_proto->data;
734 *len = next_proto->len;
736 return SSL_TLSEXT_ERR_OK;
738 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
740 /* This the context that we pass to alpn_cb */
741 typedef struct tlsextalpnctx_st {
746 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
747 const unsigned char *in, unsigned int inlen, void *arg)
749 tlsextalpnctx *alpn_ctx = arg;
752 /* We can assume that |in| is syntactically valid. */
754 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
755 for (i = 0; i < inlen;) {
757 BIO_write(bio_s_out, ", ", 2);
758 BIO_write(bio_s_out, &in[i + 1], in[i]);
761 BIO_write(bio_s_out, "\n", 1);
764 if (SSL_select_next_proto
765 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
766 inlen) != OPENSSL_NPN_NEGOTIATED) {
767 return SSL_TLSEXT_ERR_NOACK;
771 BIO_printf(bio_s_out, "ALPN protocols selected: ");
772 BIO_write(bio_s_out, *out, *outlen);
773 BIO_write(bio_s_out, "\n", 1);
776 return SSL_TLSEXT_ERR_OK;
779 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
781 /* disable resumption for sessions with forward secure ciphers */
782 return is_forward_secure;
785 static char *jpake_secret = NULL;
786 #ifndef OPENSSL_NO_SRP
787 static srpsrvparm srp_callback_parm;
789 #ifndef OPENSSL_NO_SRTP
790 static char *srtp_profiles = NULL;
793 typedef enum OPTION_choice {
794 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
795 OPT_ENGINE, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
796 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
797 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
798 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
799 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
800 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
801 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
802 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
803 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
804 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
805 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE,
806 OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF,
807 OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
808 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
809 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
810 OPT_SSL_CONFIG, OPT_SSL3,
811 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
812 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_CHAIN, OPT_LISTEN,
813 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
814 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_JPAKE,
815 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
821 OPTIONS s_server_options[] = {
822 {"help", OPT_HELP, '-', "Display this summary"},
823 {"port", OPT_PORT, 'p'},
824 {"accept", OPT_PORT, 'p',
825 "TCP/IP port to accept on (default is " PORT_STR ")"},
826 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
827 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
828 {"context", OPT_CONTEXT, 's', "Set session ID context"},
829 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
830 {"Verify", OPT_UPPER_V_VERIFY, 'n',
831 "Turn on peer certificate verification, must have a cert"},
832 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
833 {"naccept", OPT_NACCEPT, 'p', "Terminate after pnum connections"},
834 {"serverinfo", OPT_SERVERINFO, 's',
835 "PEM serverinfo file for certificate"},
836 {"certform", OPT_CERTFORM, 'F',
837 "Certificate format (PEM or DER) PEM default"},
838 {"key", OPT_KEY, '<',
839 "Private Key if not in -cert; default is " TEST_CERT},
840 {"keyform", OPT_KEYFORM, 'f',
841 "Key format (PEM, DER or ENGINE) PEM default"},
842 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
843 {"dcert", OPT_DCERT, '<',
844 "Second certificate file to use (usually for DSA)"},
845 {"dcertform", OPT_DCERTFORM, 'F',
846 "Second certificate format (PEM or DER) PEM default"},
847 {"dkey", OPT_DKEY, '<',
848 "Second private key file to use (usually for DSA)"},
849 {"dkeyform", OPT_DKEYFORM, 'F',
850 "Second key format (PEM, DER or ENGINE) PEM default"},
851 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
852 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
853 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
854 {"debug", OPT_DEBUG, '-', "Print more output"},
855 {"msg", OPT_MSG, '-', "Show protocol messages"},
856 {"msgfile", OPT_MSGFILE, '>'},
857 {"state", OPT_STATE, '-', "Print the SSL states"},
858 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
859 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
860 {"no-CAfile", OPT_NOCAFILE, '-',
861 "Do not load the default certificates file"},
862 {"no-CApath", OPT_NOCAPATH, '-',
863 "Do not load certificates from the default certificates directory"},
864 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
865 {"quiet", OPT_QUIET, '-', "No server output"},
866 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
867 "Disable caching and tickets if ephemeral (EC)DH is used"},
868 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
869 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
870 {"servername", OPT_SERVERNAME, 's',
871 "Servername for HostName TLS extension"},
872 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
873 "mismatch send fatal alert (default warning alert)"},
874 {"cert2", OPT_CERT2, '<',
875 "Certificate file to use for servername; default is" TEST_CERT2},
876 {"key2", OPT_KEY2, '<',
877 "-Private Key file to use for servername if not in -cert2"},
878 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
879 "Hex dump of all TLS extensions received"},
880 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path incluedes HTTP headers"},
881 {"id_prefix", OPT_ID_PREFIX, 's',
882 "Generate SSL/TLS session IDs prefixed by arg"},
883 {"rand", OPT_RAND, 's',
884 "Load the file(s) into the random number generator"},
885 {"keymatexport", OPT_KEYMATEXPORT, 's',
886 "Export keying material using label"},
887 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
888 "Export len bytes of keying material (default 20)"},
889 {"CRL", OPT_CRL, '<'},
890 {"crl_download", OPT_CRL_DOWNLOAD, '-'},
891 {"cert_chain", OPT_CERT_CHAIN, '<'},
892 {"dcert_chain", OPT_DCERT_CHAIN, '<'},
893 {"chainCApath", OPT_CHAINCAPATH, '/'},
894 {"verifyCApath", OPT_VERIFYCAPATH, '/'},
895 {"no_cache", OPT_NO_CACHE, '-'},
896 {"ext_cache", OPT_EXT_CACHE, '-'},
897 {"CRLform", OPT_CRLFORM, 'F'},
898 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-'},
899 {"verify_quiet", OPT_VERIFY_QUIET, '-'},
900 {"build_chain", OPT_BUILD_CHAIN, '-'},
901 {"chainCAfile", OPT_CHAINCAFILE, '<'},
902 {"verifyCAfile", OPT_VERIFYCAFILE, '<'},
903 {"ign_eof", OPT_IGN_EOF, '-'},
904 {"no_ign_eof", OPT_NO_IGN_EOF, '-'},
905 {"status", OPT_STATUS, '-'},
906 {"status_verbose", OPT_STATUS_VERBOSE, '-'},
907 {"status_timeout", OPT_STATUS_TIMEOUT, 'n'},
908 {"status_url", OPT_STATUS_URL, 's'},
909 {"trace", OPT_TRACE, '-'},
910 {"security_debug", OPT_SECURITY_DEBUG, '-'},
911 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-'},
912 {"brief", OPT_BRIEF, '-'},
913 {"rev", OPT_REV, '-'},
914 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
915 {"ssl_config", OPT_SSL_CONFIG, 's'},
920 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
922 #ifndef OPENSSL_NO_PSK
923 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
924 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
925 # ifndef OPENSSL_NO_JPAKE
926 {"jpake", OPT_JPAKE, 's', "JPAKE secret to use"},
929 #ifndef OPENSSL_NO_SRP
930 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
931 {"srpuserseed", OPT_SRPUSERSEED, 's',
932 "A seed string for a default user salt"},
934 #ifndef OPENSSL_NO_SSL3
935 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
937 #ifndef OPENSSL_NO_TLS1
938 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
940 #ifndef OPENSSL_NO_TLS1_1
941 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
943 #ifndef OPENSSL_NO_TLS1_2
944 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
946 #ifndef OPENSSL_NO_DTLS
947 {"dtls", OPT_DTLS, '-'},
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_DTLS1
955 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
957 #ifndef OPENSSL_NO_DTLS1_2
958 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
960 #ifndef OPENSSL_NO_DH
961 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
963 #ifndef OPENSSL_NO_NEXTPROTONEG
964 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
965 "Set the advertised protocols for the NPN extension (comma-separated list)"},
967 #ifndef OPENSSL_NO_SRTP
968 {"use_srtp", OPT_SRTP_PROFILES, 's',
969 "Offer SRTP key management with a colon-separated profile list"},
970 {"alpn", OPT_ALPN, 's',
971 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
973 #ifndef OPENSSL_NO_ENGINE
974 {"engine", OPT_ENGINE, 's'},
979 int s_server_main(int argc, char *argv[])
982 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
983 SSL_CONF_CTX *cctx = NULL;
984 const SSL_METHOD *meth = TLS_server_method();
985 SSL_EXCERT *exc = NULL;
986 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
987 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
988 STACK_OF(X509_CRL) *crls = NULL;
989 X509 *s_cert = NULL, *s_dcert = NULL;
990 X509_VERIFY_PARAM *vpm = NULL;
991 char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
992 #ifndef OPENSSL_NO_DH
995 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
996 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
997 char *crl_file = NULL, *prog;
998 #ifndef OPENSSL_NO_PSK
1001 const char *unix_path = NULL;
1003 int unlink_unix_path = 0;
1005 int (*server_cb) (char *hostname, int s, int stype,
1006 unsigned char *context);
1007 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
1008 #ifndef OPENSSL_NO_DH
1011 int nocert = 0, ret = 1;
1012 int noCApath = 0, noCAfile = 0;
1013 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1014 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1015 int rev = 0, naccept = -1, sdebug = 0, socket_type = SOCK_STREAM;
1016 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1017 unsigned short port = PORT;
1018 unsigned char *context = NULL;
1020 EVP_PKEY *s_key2 = NULL;
1021 X509 *s_cert2 = NULL;
1022 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1023 const char *ssl_config = NULL;
1024 #ifndef OPENSSL_NO_NEXTPROTONEG
1025 const char *next_proto_neg_in = NULL;
1026 tlsextnextprotoctx next_proto = { NULL, 0 };
1028 const char *alpn_in = NULL;
1029 tlsextalpnctx alpn_ctx = { NULL, 0 };
1030 #ifndef OPENSSL_NO_PSK
1031 /* by default do not send a PSK identity hint */
1032 static char *psk_identity_hint = NULL;
1034 #ifndef OPENSSL_NO_SRP
1035 char *srpuserseed = NULL;
1036 char *srp_verifier_file = NULL;
1043 cctx = SSL_CONF_CTX_new();
1044 vpm = X509_VERIFY_PARAM_new();
1045 if (cctx == NULL || vpm == NULL)
1047 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1049 prog = opt_init(argc, argv, s_server_options);
1050 while ((o = opt_next()) != OPT_EOF) {
1055 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1058 opt_help(s_server_options);
1063 if (!extract_port(opt_arg(), &port))
1068 BIO_printf(bio_err, "unix domain sockets unsupported\n");
1071 unix_path = opt_arg();
1076 BIO_printf(bio_err, "unix domain sockets unsupported\n");
1079 unlink_unix_path = 1;
1083 naccept = atol(opt_arg());
1086 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1087 verify_depth = atoi(opt_arg());
1089 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1091 case OPT_UPPER_V_VERIFY:
1093 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1094 SSL_VERIFY_CLIENT_ONCE;
1095 verify_depth = atoi(opt_arg());
1098 "verify depth is %d, must return a certificate\n",
1102 context = (unsigned char *)opt_arg();
1105 s_cert_file = opt_arg();
1108 crl_file = opt_arg();
1110 case OPT_CRL_DOWNLOAD:
1113 case OPT_SERVERINFO:
1114 s_serverinfo_file = opt_arg();
1117 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1121 s_key_file = opt_arg();
1124 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1128 passarg = opt_arg();
1130 case OPT_CERT_CHAIN:
1131 s_chain_file = opt_arg();
1134 #ifndef OPENSSL_NO_DH
1139 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1143 s_dcert_file = opt_arg();
1146 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1150 dpassarg = opt_arg();
1153 s_dkey_file = opt_arg();
1155 case OPT_DCERT_CHAIN:
1156 s_dchain_file = opt_arg();
1167 case OPT_CHAINCAPATH:
1168 chCApath = opt_arg();
1170 case OPT_VERIFYCAPATH:
1171 vfyCApath = opt_arg();
1180 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1184 if (ssl_args == NULL)
1185 ssl_args = sk_OPENSSL_STRING_new_null();
1186 if (ssl_args == NULL
1187 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1188 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1189 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1194 if (!opt_verify(o, vpm))
1199 if (!args_excert(o, &exc))
1202 case OPT_VERIFY_RET_ERROR:
1203 verify_return_error = 1;
1205 case OPT_VERIFY_QUIET:
1208 case OPT_BUILD_CHAIN:
1217 case OPT_CHAINCAFILE:
1218 chCAfile = opt_arg();
1220 case OPT_VERIFYCAFILE:
1221 vfyCAfile = opt_arg();
1227 s_nbio = s_nbio_test = 1;
1232 case OPT_NO_IGN_EOF:
1238 case OPT_TLSEXTDEBUG:
1244 case OPT_STATUS_VERBOSE:
1245 s_tlsextstatus = tlscstatp.verbose = 1;
1247 case OPT_STATUS_TIMEOUT:
1249 tlscstatp.timeout = atoi(opt_arg());
1251 case OPT_STATUS_URL:
1253 if (!OCSP_parse_url(opt_arg(),
1256 &tlscstatp.path, &tlscstatp.use_ssl)) {
1257 BIO_printf(bio_err, "Error parsing URL\n");
1265 bio_s_msg = BIO_new_file(opt_arg(), "w");
1268 #ifndef OPENSSL_NO_SSL_TRACE
1273 case OPT_SECURITY_DEBUG:
1276 case OPT_SECURITY_DEBUG_VERBOSE:
1289 s_quiet = s_brief = verify_quiet = 1;
1292 #ifndef OPENSSL_NO_DH
1296 case OPT_NO_RESUME_EPHEMERAL:
1297 no_resume_ephemeral = 1;
1300 #ifndef OPENSSL_NO_PSK
1301 psk_identity_hint = opt_arg();
1305 #ifndef OPENSSL_NO_PSK
1306 for (p = psk_key = opt_arg(); *p; p++) {
1309 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1315 #ifndef OPENSSL_NO_SRP
1316 srp_verifier_file = opt_arg();
1317 meth = TLSv1_server_method();
1320 case OPT_SRPUSERSEED:
1321 #ifndef OPENSSL_NO_SRP
1322 srpuserseed = opt_arg();
1323 meth = TLSv1_server_method();
1338 case OPT_SSL_CONFIG:
1339 ssl_config = opt_arg();
1342 #ifndef OPENSSL_NO_SSL3
1343 meth = SSLv3_server_method();
1347 #ifndef OPENSSL_NO_TLS1_2
1348 meth = TLSv1_2_server_method();
1352 #ifndef OPENSSL_NO_TLS1_1
1353 meth = TLSv1_1_server_method();
1357 #ifndef OPENSSL_NO_TLS1
1358 meth = TLSv1_server_method();
1362 #ifndef OPENSSL_NO_DTLS
1363 meth = DTLS_server_method();
1364 socket_type = SOCK_DGRAM;
1368 #ifndef OPENSSL_NO_DTLS1
1369 meth = DTLSv1_server_method();
1370 socket_type = SOCK_DGRAM;
1374 #ifndef OPENSSL_NO_DTLS1_2
1375 meth = DTLSv1_2_server_method();
1376 socket_type = SOCK_DGRAM;
1380 #ifndef OPENSSL_NO_DTLS
1381 enable_timeouts = 1;
1385 #ifndef OPENSSL_NO_DTLS
1386 socket_mtu = atol(opt_arg());
1390 #ifndef OPENSSL_NO_DTLS
1395 #ifndef OPENSSL_NO_DTLS
1400 session_id_prefix = opt_arg();
1403 e = setup_engine(opt_arg(), 1);
1408 case OPT_SERVERNAME:
1409 tlsextcbp.servername = opt_arg();
1411 case OPT_SERVERNAME_FATAL:
1412 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1415 s_cert_file2 = opt_arg();
1418 s_key_file2 = opt_arg();
1420 case OPT_NEXTPROTONEG:
1421 # ifndef OPENSSL_NO_NEXTPROTONEG
1422 next_proto_neg_in = opt_arg();
1426 alpn_in = opt_arg();
1428 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1430 jpake_secret = opt_arg();
1436 case OPT_SRTP_PROFILES:
1437 srtp_profiles = opt_arg();
1439 case OPT_KEYMATEXPORT:
1440 keymatexportlabel = opt_arg();
1442 case OPT_KEYMATEXPORTLEN:
1443 keymatexportlen = atoi(opt_arg());
1450 argc = opt_num_rest();
1453 #ifndef OPENSSL_NO_DTLS
1454 if (www && socket_type == SOCK_DGRAM) {
1455 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1459 if (dtlslisten && socket_type != SOCK_DGRAM) {
1460 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1465 if (unix_path && (socket_type != SOCK_STREAM)) {
1467 "Can't use unix sockets and datagrams together\n");
1470 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1473 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1476 psk_identity = "JPAKE";
1480 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1481 BIO_printf(bio_err, "Error getting password\n");
1485 if (s_key_file == NULL)
1486 s_key_file = s_cert_file;
1488 if (s_key_file2 == NULL)
1489 s_key_file2 = s_cert_file2;
1491 if (!load_excert(&exc))
1495 s_key = load_key(s_key_file, s_key_format, 0, pass, e,
1496 "server certificate private key file");
1498 ERR_print_errors(bio_err);
1502 s_cert = load_cert(s_cert_file, s_cert_format,
1503 NULL, e, "server certificate file");
1506 ERR_print_errors(bio_err);
1510 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL, e,
1511 "server certificate chain"))
1515 if (tlsextcbp.servername) {
1516 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, e,
1517 "second server certificate private key file");
1519 ERR_print_errors(bio_err);
1523 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1524 NULL, e, "second server certificate file");
1527 ERR_print_errors(bio_err);
1532 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1533 if (next_proto_neg_in) {
1535 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1536 if (next_proto.data == NULL)
1538 next_proto.len = len;
1540 next_proto.data = NULL;
1543 alpn_ctx.data = NULL;
1546 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1547 if (alpn_ctx.data == NULL)
1554 crl = load_crl(crl_file, crl_format);
1556 BIO_puts(bio_err, "Error loading CRL\n");
1557 ERR_print_errors(bio_err);
1560 crls = sk_X509_CRL_new_null();
1561 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1562 BIO_puts(bio_err, "Error adding CRL\n");
1563 ERR_print_errors(bio_err);
1571 if (s_dkey_file == NULL)
1572 s_dkey_file = s_dcert_file;
1574 s_dkey = load_key(s_dkey_file, s_dkey_format,
1575 0, dpass, e, "second certificate private key file");
1577 ERR_print_errors(bio_err);
1581 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1582 NULL, e, "second server certificate file");
1585 ERR_print_errors(bio_err);
1588 if (s_dchain_file) {
1589 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL, e,
1590 "second server certificate chain"))
1596 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1597 && !RAND_status()) {
1599 "warning, not much extra random data, consider using the -rand option\n");
1602 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1603 app_RAND_load_files(inrand));
1605 if (bio_s_out == NULL) {
1606 if (s_quiet && !s_debug) {
1607 bio_s_out = BIO_new(BIO_s_null());
1608 if (s_msg && !bio_s_msg)
1609 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1611 if (bio_s_out == NULL)
1612 bio_s_out = dup_bio_out(FORMAT_TEXT);
1615 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1621 s_dcert_file = NULL;
1623 s_cert_file2 = NULL;
1627 ctx = SSL_CTX_new(meth);
1629 ssl_ctx_security_debug(ctx, sdebug);
1631 ERR_print_errors(bio_err);
1635 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1636 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1638 ERR_print_errors(bio_err);
1643 if (session_id_prefix) {
1644 if (strlen(session_id_prefix) >= 32)
1646 "warning: id_prefix is too long, only one new session will be possible\n");
1647 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1648 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1649 ERR_print_errors(bio_err);
1652 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1654 SSL_CTX_set_quiet_shutdown(ctx, 1);
1656 ssl_ctx_set_excert(ctx, exc);
1659 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1661 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1663 init_session_cache_ctx(ctx);
1665 SSL_CTX_sess_set_cache_size(ctx, 128);
1668 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1669 ASYNC_init(1, 0, 0);
1672 #ifndef OPENSSL_NO_SRTP
1673 if (srtp_profiles != NULL) {
1674 /* Returns 0 on success! */
1675 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1676 BIO_printf(bio_err, "Error setting SRTP profile\n");
1677 ERR_print_errors(bio_err);
1683 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1684 ERR_print_errors(bio_err);
1687 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1688 BIO_printf(bio_err, "Error setting verify params\n");
1689 ERR_print_errors(bio_err);
1693 ssl_ctx_add_crls(ctx, crls, 0);
1694 if (!config_ctx(cctx, ssl_args, ctx, jpake_secret == NULL))
1697 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1698 crls, crl_download)) {
1699 BIO_printf(bio_err, "Error loading store locations\n");
1700 ERR_print_errors(bio_err);
1705 ctx2 = SSL_CTX_new(meth);
1707 ERR_print_errors(bio_err);
1713 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1716 ssl_ctx_security_debug(ctx, sdebug);
1718 if (session_id_prefix) {
1719 if (strlen(session_id_prefix) >= 32)
1721 "warning: id_prefix is too long, only one new session will be possible\n");
1722 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1723 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1724 ERR_print_errors(bio_err);
1727 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1729 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1731 ssl_ctx_set_excert(ctx2, exc);
1734 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1737 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1739 init_session_cache_ctx(ctx2);
1741 SSL_CTX_sess_set_cache_size(ctx2, 128);
1744 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1746 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1747 (!SSL_CTX_set_default_verify_paths(ctx2))) {
1748 ERR_print_errors(bio_err);
1750 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1751 BIO_printf(bio_err, "Error setting verify params\n");
1752 ERR_print_errors(bio_err);
1756 ssl_ctx_add_crls(ctx2, crls, 0);
1757 if (!config_ctx(cctx, ssl_args, ctx2, jpake_secret == NULL))
1760 #ifndef OPENSSL_NO_NEXTPROTONEG
1761 if (next_proto.data)
1762 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1766 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1768 #ifndef OPENSSL_NO_DH
1773 dh = load_dh_param(dhfile);
1774 else if (s_cert_file)
1775 dh = load_dh_param(s_cert_file);
1778 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1780 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1782 (void)BIO_flush(bio_s_out);
1785 SSL_CTX_set_dh_auto(ctx, 1);
1786 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1787 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1788 ERR_print_errors(bio_err);
1795 DH *dh2 = load_dh_param(s_cert_file2);
1797 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1798 (void)BIO_flush(bio_s_out);
1805 SSL_CTX_set_dh_auto(ctx2, 1);
1806 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1807 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1808 ERR_print_errors(bio_err);
1817 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1820 if (s_serverinfo_file != NULL
1821 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1822 ERR_print_errors(bio_err);
1826 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1829 if (s_dcert != NULL) {
1830 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1834 if (no_resume_ephemeral) {
1835 SSL_CTX_set_not_resumable_session_callback(ctx,
1836 not_resumable_sess_cb);
1839 SSL_CTX_set_not_resumable_session_callback(ctx2,
1840 not_resumable_sess_cb);
1842 #ifndef OPENSSL_NO_PSK
1843 # ifdef OPENSSL_NO_JPAKE
1844 if (psk_key != NULL)
1846 if (psk_key != NULL || jpake_secret)
1850 BIO_printf(bio_s_out,
1851 "PSK key given or JPAKE in use, setting server callback\n");
1852 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1855 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1856 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1857 ERR_print_errors(bio_err);
1862 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1863 if (!SSL_CTX_set_session_id_context(ctx,
1864 (void *)&s_server_session_id_context,
1865 sizeof s_server_session_id_context)) {
1866 BIO_printf(bio_err, "error setting session id context\n");
1867 ERR_print_errors(bio_err);
1871 /* Set DTLS cookie generation and verification callbacks */
1872 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1873 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1876 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1877 if (!SSL_CTX_set_session_id_context(ctx2,
1878 (void *)&s_server_session_id_context,
1879 sizeof s_server_session_id_context)) {
1880 BIO_printf(bio_err, "error setting session id context\n");
1881 ERR_print_errors(bio_err);
1884 tlsextcbp.biodebug = bio_s_out;
1885 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1886 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1887 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1888 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1891 #ifndef OPENSSL_NO_SRP
1892 if (srp_verifier_file != NULL) {
1893 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1894 srp_callback_parm.user = NULL;
1895 srp_callback_parm.login = NULL;
1897 SRP_VBASE_init(srp_callback_parm.vb,
1898 srp_verifier_file)) != SRP_NO_ERROR) {
1900 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1901 srp_verifier_file, ret);
1904 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
1905 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1906 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1909 if (CAfile != NULL) {
1910 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1913 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1915 if (s_tlsextstatus) {
1916 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1917 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1919 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
1920 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
1924 BIO_printf(bio_s_out, "ACCEPT\n");
1925 (void)BIO_flush(bio_s_out);
1927 server_cb = rev_body;
1929 server_cb = www_body;
1931 server_cb = sv_body;
1934 if (unlink_unix_path)
1936 do_server_unix(unix_path, &accept_socket, server_cb, context,
1940 do_server(port, socket_type, &accept_socket, server_cb, context,
1942 print_stats(bio_s_out, ctx);
1947 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1949 EVP_PKEY_free(s_key);
1950 EVP_PKEY_free(s_dkey);
1951 sk_X509_pop_free(s_chain, X509_free);
1952 sk_X509_pop_free(s_dchain, X509_free);
1954 OPENSSL_free(dpass);
1955 X509_VERIFY_PARAM_free(vpm);
1957 OPENSSL_free(tlscstatp.host);
1958 OPENSSL_free(tlscstatp.port);
1959 OPENSSL_free(tlscstatp.path);
1962 EVP_PKEY_free(s_key2);
1963 BIO_free(serverinfo_in);
1964 #ifndef OPENSSL_NO_NEXTPROTONEG
1965 OPENSSL_free(next_proto.data);
1967 OPENSSL_free(alpn_ctx.data);
1968 ssl_excert_free(exc);
1969 sk_OPENSSL_STRING_free(ssl_args);
1970 SSL_CONF_CTX_free(cctx);
1971 BIO_free(bio_s_out);
1973 BIO_free(bio_s_msg);
1981 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1983 BIO_printf(bio, "%4ld items in the session cache\n",
1984 SSL_CTX_sess_number(ssl_ctx));
1985 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1986 SSL_CTX_sess_connect(ssl_ctx));
1987 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1988 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1989 BIO_printf(bio, "%4ld client connects that finished\n",
1990 SSL_CTX_sess_connect_good(ssl_ctx));
1991 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1992 SSL_CTX_sess_accept(ssl_ctx));
1993 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1994 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1995 BIO_printf(bio, "%4ld server accepts that finished\n",
1996 SSL_CTX_sess_accept_good(ssl_ctx));
1997 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1998 BIO_printf(bio, "%4ld session cache misses\n",
1999 SSL_CTX_sess_misses(ssl_ctx));
2000 BIO_printf(bio, "%4ld session cache timeouts\n",
2001 SSL_CTX_sess_timeouts(ssl_ctx));
2002 BIO_printf(bio, "%4ld callback cache hits\n",
2003 SSL_CTX_sess_cb_hits(ssl_ctx));
2004 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2005 SSL_CTX_sess_cache_full(ssl_ctx),
2006 SSL_CTX_sess_get_cache_size(ssl_ctx));
2009 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2018 struct timeval timeout;
2019 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2022 struct timeval *timeoutp;
2025 buf = app_malloc(bufsize, "server buffer");
2028 unsigned long sl = 1;
2031 BIO_printf(bio_err, "turning on non blocking io\n");
2032 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
2033 ERR_print_errors(bio_err);
2040 if (s_tlsextdebug) {
2041 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2042 SSL_set_tlsext_debug_arg(con, bio_s_out);
2046 && !SSL_set_session_id_context(con,
2047 context, strlen((char *)context))) {
2048 BIO_printf(bio_err, "Error setting session id context\n");
2053 if (!SSL_clear(con)) {
2054 BIO_printf(bio_err, "Error clearing SSL connection\n");
2058 #ifndef OPENSSL_NO_DTLS
2059 if (stype == SOCK_DGRAM) {
2061 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2063 if (enable_timeouts) {
2065 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2066 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2069 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2070 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2074 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2075 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2076 DTLS_get_link_min_mtu(con));
2081 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2082 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2083 BIO_printf(bio_err, "Failed to set MTU\n");
2089 /* want to do MTU discovery */
2090 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2092 /* turn on cookie exchange */
2093 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2096 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2101 test = BIO_new(BIO_f_nbio_test());
2102 sbio = BIO_push(test, sbio);
2104 #ifndef OPENSSL_NO_JPAKE
2106 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2109 SSL_set_bio(con, sbio, sbio);
2110 SSL_set_accept_state(con);
2111 /* SSL_set_fd(con,s); */
2114 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2115 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2118 #ifndef OPENSSL_NO_SSL_TRACE
2120 SSL_set_msg_callback(con, SSL_trace);
2123 SSL_set_msg_callback(con, msg_cb);
2124 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2127 if (s_tlsextdebug) {
2128 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2129 SSL_set_tlsext_debug_arg(con, bio_s_out);
2134 int read_from_terminal;
2135 int read_from_sslcon;
2137 read_from_terminal = 0;
2138 read_from_sslcon = SSL_pending(con)
2139 || (async && SSL_waiting_for_async(con));
2141 if (!read_from_sslcon) {
2143 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
2144 openssl_fdset(fileno(stdin), &readfds);
2146 openssl_fdset(s, &readfds);
2148 * Note: under VMS with SOCKETSHR the second parameter is
2149 * currently of type (int *) whereas under other systems it is
2150 * (void *) if you don't have a cast it will choke the compiler:
2151 * if you do have a cast then you can either go for (int *) or
2154 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2156 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2157 * only on sockets. As a workaround we timeout the select every
2158 * second and check for any keypress. In a proper Windows
2159 * application we wouldn't do this because it is inefficient.
2163 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2164 if ((i < 0) || (!i && !_kbhit()))
2167 read_from_terminal = 1;
2169 if ((SSL_version(con) == DTLS1_VERSION) &&
2170 DTLSv1_get_timeout(con, &timeout))
2171 timeoutp = &timeout;
2175 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2177 if ((SSL_version(con) == DTLS1_VERSION)
2178 && DTLSv1_handle_timeout(con) > 0) {
2179 BIO_printf(bio_err, "TIMEOUT occurred\n");
2184 if (FD_ISSET(fileno(stdin), &readfds))
2185 read_from_terminal = 1;
2187 if (FD_ISSET(s, &readfds))
2188 read_from_sslcon = 1;
2190 if (read_from_terminal) {
2194 i = raw_read_stdin(buf, bufsize / 2);
2196 /* both loops are skipped when i <= 0 */
2197 for (j = 0; j < i; j++)
2200 for (j = i - 1; j >= 0; j--) {
2201 buf[j + lf_num] = buf[j];
2202 if (buf[j] == '\n') {
2205 buf[j + lf_num] = '\r';
2208 assert(lf_num == 0);
2210 i = raw_read_stdin(buf, bufsize);
2211 if (!s_quiet && !s_brief) {
2212 if ((i <= 0) || (buf[0] == 'Q')) {
2213 BIO_printf(bio_s_out, "DONE\n");
2214 (void)BIO_flush(bio_s_out);
2216 close_accept_socket();
2220 if ((i <= 0) || (buf[0] == 'q')) {
2221 BIO_printf(bio_s_out, "DONE\n");
2222 (void)BIO_flush(bio_s_out);
2223 if (SSL_version(con) != DTLS1_VERSION)
2226 * close_accept_socket(); ret= -11;
2230 #ifndef OPENSSL_NO_HEARTBEATS
2231 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2232 BIO_printf(bio_err, "HEARTBEATING\n");
2238 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2239 SSL_renegotiate(con);
2240 i = SSL_do_handshake(con);
2241 printf("SSL_do_handshake -> %d\n", i);
2245 * strcpy(buf,"server side RE-NEGOTIATE\n");
2248 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2250 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2252 SSL_renegotiate(con);
2253 i = SSL_do_handshake(con);
2254 printf("SSL_do_handshake -> %d\n", i);
2258 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2262 if (buf[0] == 'P') {
2263 static const char *str = "Lets print some clear text\n";
2264 BIO_write(SSL_get_wbio(con), str, strlen(str));
2266 if (buf[0] == 'S') {
2267 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2270 #ifdef CHARSET_EBCDIC
2271 ebcdic2ascii(buf, buf, i);
2275 /* should do a select for the write */
2279 if (++count == 100) {
2281 SSL_renegotiate(con);
2285 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2286 #ifndef OPENSSL_NO_SRP
2287 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2288 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2289 srp_callback_parm.user =
2290 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2291 srp_callback_parm.login);
2292 if (srp_callback_parm.user)
2293 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2294 srp_callback_parm.user->info);
2296 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2297 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2300 switch (SSL_get_error(con, k)) {
2301 case SSL_ERROR_NONE:
2303 case SSL_ERROR_WANT_ASYNC:
2304 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2305 wait_for_async(con);
2307 case SSL_ERROR_WANT_WRITE:
2308 case SSL_ERROR_WANT_READ:
2309 case SSL_ERROR_WANT_X509_LOOKUP:
2310 BIO_printf(bio_s_out, "Write BLOCK\n");
2312 case SSL_ERROR_SYSCALL:
2314 BIO_printf(bio_s_out, "ERROR\n");
2315 (void)BIO_flush(bio_s_out);
2316 ERR_print_errors(bio_err);
2320 case SSL_ERROR_ZERO_RETURN:
2321 BIO_printf(bio_s_out, "DONE\n");
2322 (void)BIO_flush(bio_s_out);
2334 if (read_from_sslcon) {
2336 * init_ssl_connection handles all async events itself so if we're
2337 * waiting for async then we shouldn't go back into
2338 * init_ssl_connection
2340 if ((!async || !SSL_waiting_for_async(con))
2341 && !SSL_is_init_finished(con)) {
2342 i = init_ssl_connection(con);
2347 } else if (i == 0) {
2353 i = SSL_read(con, (char *)buf, bufsize);
2354 #ifndef OPENSSL_NO_SRP
2355 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2356 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2357 srp_callback_parm.user =
2358 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2359 srp_callback_parm.login);
2360 if (srp_callback_parm.user)
2361 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2362 srp_callback_parm.user->info);
2364 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2365 i = SSL_read(con, (char *)buf, bufsize);
2368 switch (SSL_get_error(con, i)) {
2369 case SSL_ERROR_NONE:
2370 #ifdef CHARSET_EBCDIC
2371 ascii2ebcdic(buf, buf, i);
2373 raw_write_stdout(buf, (unsigned int)i);
2374 if (SSL_pending(con))
2377 case SSL_ERROR_WANT_ASYNC:
2378 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2379 wait_for_async(con);
2381 case SSL_ERROR_WANT_WRITE:
2382 case SSL_ERROR_WANT_READ:
2383 BIO_printf(bio_s_out, "Read BLOCK\n");
2385 case SSL_ERROR_SYSCALL:
2387 BIO_printf(bio_s_out, "ERROR\n");
2388 (void)BIO_flush(bio_s_out);
2389 ERR_print_errors(bio_err);
2392 case SSL_ERROR_ZERO_RETURN:
2393 BIO_printf(bio_s_out, "DONE\n");
2394 (void)BIO_flush(bio_s_out);
2403 BIO_printf(bio_s_out, "shutting down SSL\n");
2404 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2407 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2408 OPENSSL_clear_free(buf, bufsize);
2410 BIO_printf(bio_s_out, "ACCEPT\n");
2411 (void)BIO_flush(bio_s_out);
2415 static void close_accept_socket(void)
2417 BIO_printf(bio_err, "shutdown accept socket\n");
2418 if (accept_socket >= 0) {
2419 SHUTDOWN2(accept_socket);
2423 static int init_ssl_connection(SSL *con)
2430 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2431 const unsigned char *next_proto_neg;
2432 unsigned next_proto_neg_len;
2434 unsigned char *exportedkeymat;
2436 #ifndef OPENSSL_NO_DTLS
2438 BIO_ADDR *client = NULL;
2440 if ((client = BIO_ADDR_new()) == NULL) {
2441 BIO_printf(bio_err, "ERROR - memory\n");
2444 i = DTLSv1_listen(con, &client);
2449 wbio = SSL_get_wbio(con);
2451 BIO_get_fd(wbio, &fd);
2454 if(!wbio || BIO_connect(fd, client, 0) == 0) {
2455 BIO_printf(bio_err, "ERROR - unable to connect\n");
2456 BIO_ADDR_free(client);
2459 BIO_ADDR_free(client);
2461 i = SSL_accept(con);
2467 i = SSL_accept(con);
2469 #ifdef CERT_CB_TEST_RETRY
2471 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2472 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2474 "LOOKUP from certificate callback during accept\n");
2475 i = SSL_accept(con);
2480 #ifndef OPENSSL_NO_SRP
2481 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2482 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2483 srp_callback_parm.login);
2484 srp_callback_parm.user =
2485 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2486 srp_callback_parm.login);
2487 if (srp_callback_parm.user)
2488 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2489 srp_callback_parm.user->info);
2491 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2492 i = SSL_accept(con);
2495 } while (i < 0 && SSL_waiting_for_async(con));
2498 if ((dtlslisten && i == 0)
2499 || (!dtlslisten && BIO_sock_should_retry(i))) {
2500 BIO_printf(bio_s_out, "DELAY\n");
2504 BIO_printf(bio_err, "ERROR\n");
2506 verify_err = SSL_get_verify_result(con);
2507 if (verify_err != X509_V_OK) {
2508 BIO_printf(bio_err, "verify error:%s\n",
2509 X509_verify_cert_error_string(verify_err));
2511 /* Always print any error messages */
2512 ERR_print_errors(bio_err);
2517 print_ssl_summary(con);
2519 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2521 peer = SSL_get_peer_certificate(con);
2523 BIO_printf(bio_s_out, "Client certificate\n");
2524 PEM_write_bio_X509(bio_s_out, peer);
2525 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2526 BIO_printf(bio_s_out, "subject=%s\n", buf);
2527 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2528 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2532 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2533 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2534 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2535 ssl_print_sigalgs(bio_s_out, con);
2536 #ifndef OPENSSL_NO_EC
2537 ssl_print_point_formats(bio_s_out, con);
2538 ssl_print_curves(bio_s_out, con, 0);
2540 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2542 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2543 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2544 if (next_proto_neg) {
2545 BIO_printf(bio_s_out, "NEXTPROTO is ");
2546 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2547 BIO_printf(bio_s_out, "\n");
2550 #ifndef OPENSSL_NO_SRTP
2552 SRTP_PROTECTION_PROFILE *srtp_profile
2553 = SSL_get_selected_srtp_profile(con);
2556 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2557 srtp_profile->name);
2560 if (SSL_cache_hit(con))
2561 BIO_printf(bio_s_out, "Reused session-id\n");
2562 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2563 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2564 if (keymatexportlabel != NULL) {
2565 BIO_printf(bio_s_out, "Keying material exporter:\n");
2566 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2567 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2568 exportedkeymat = app_malloc(keymatexportlen, "export key");
2569 if (!SSL_export_keying_material(con, exportedkeymat,
2572 strlen(keymatexportlabel),
2574 BIO_printf(bio_s_out, " Error\n");
2576 BIO_printf(bio_s_out, " Keying material: ");
2577 for (i = 0; i < keymatexportlen; i++)
2578 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2579 BIO_printf(bio_s_out, "\n");
2581 OPENSSL_free(exportedkeymat);
2587 #ifndef OPENSSL_NO_DH
2588 static DH *load_dh_param(const char *dhfile)
2593 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2595 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2602 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2608 const SSL_CIPHER *c;
2609 BIO *io, *ssl_bio, *sbio;
2611 int total_bytes = 0;
2616 /* Set width for a select call if needed */
2619 buf = app_malloc(bufsize, "server www buffer");
2620 io = BIO_new(BIO_f_buffer());
2621 ssl_bio = BIO_new(BIO_f_ssl());
2622 if ((io == NULL) || (ssl_bio == NULL))
2627 unsigned long sl = 1;
2630 BIO_printf(bio_err, "turning on non blocking io\n");
2631 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
2632 ERR_print_errors(bio_err);
2636 /* lets make the output buffer a reasonable size */
2637 if (!BIO_set_write_buffer_size(io, bufsize))
2640 if ((con = SSL_new(ctx)) == NULL)
2643 if (s_tlsextdebug) {
2644 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2645 SSL_set_tlsext_debug_arg(con, bio_s_out);
2648 if (context && !SSL_set_session_id_context(con, context,
2649 strlen((char *)context)))
2652 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2656 test = BIO_new(BIO_f_nbio_test());
2657 sbio = BIO_push(test, sbio);
2659 SSL_set_bio(con, sbio, sbio);
2660 SSL_set_accept_state(con);
2662 /* SSL_set_fd(con,s); */
2663 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2664 BIO_push(io, ssl_bio);
2665 #ifdef CHARSET_EBCDIC
2666 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2670 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2671 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2674 #ifndef OPENSSL_NO_SSL_TRACE
2676 SSL_set_msg_callback(con, SSL_trace);
2679 SSL_set_msg_callback(con, msg_cb);
2680 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2684 i = BIO_gets(io, buf, bufsize - 1);
2685 if (i < 0) { /* error */
2686 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2688 ERR_print_errors(bio_err);
2691 BIO_printf(bio_s_out, "read R BLOCK\n");
2692 #ifndef OPENSSL_NO_SRP
2693 if (BIO_should_io_special(io)
2694 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2695 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2696 srp_callback_parm.user =
2697 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2698 srp_callback_parm.login);
2699 if (srp_callback_parm.user)
2700 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2701 srp_callback_parm.user->info);
2703 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2707 #if defined(OPENSSL_SYS_NETWARE)
2709 #elif !defined(OPENSSL_SYS_MSDOS)
2714 } else if (i == 0) { /* end of input */
2719 /* else we have data */
2720 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2721 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2724 STACK_OF(SSL_CIPHER) *sk;
2725 static const char *space = " ";
2727 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2728 if (strncmp("GET /renegcert", buf, 14) == 0)
2730 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2732 i = SSL_renegotiate(con);
2733 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2734 /* Send the HelloRequest */
2735 i = SSL_do_handshake(con);
2737 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2738 SSL_get_error(con, i));
2739 ERR_print_errors(bio_err);
2742 /* Wait for a ClientHello to come back */
2744 openssl_fdset(s, &readfds);
2745 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2746 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2747 BIO_printf(bio_s_out, "Error waiting for client response\n");
2748 ERR_print_errors(bio_err);
2752 * We're not acutally expecting any data here and we ignore
2753 * any that is sent. This is just to force the handshake that
2754 * we're expecting to come from the client. If they haven't
2755 * sent one there's not much we can do.
2757 BIO_gets(io, buf, bufsize - 1);
2761 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2762 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2763 BIO_puts(io, "<pre>\n");
2764 /* BIO_puts(io,OpenSSL_version(OPENSSL_VERSION));*/
2766 for (i = 0; i < local_argc; i++) {
2768 for (myp = local_argv[i]; *myp; myp++)
2771 BIO_puts(io, "<");
2774 BIO_puts(io, ">");
2777 BIO_puts(io, "&");
2780 BIO_write(io, myp, 1);
2783 BIO_write(io, " ", 1);
2788 "Secure Renegotiation IS%s supported\n",
2789 SSL_get_secure_renegotiation_support(con) ?
2793 * The following is evil and should not really be done
2795 BIO_printf(io, "Ciphers supported in s_server binary\n");
2796 sk = SSL_get_ciphers(con);
2797 j = sk_SSL_CIPHER_num(sk);
2798 for (i = 0; i < j; i++) {
2799 c = sk_SSL_CIPHER_value(sk, i);
2800 BIO_printf(io, "%-11s:%-25s ",
2801 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2802 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2806 p = SSL_get_shared_ciphers(con, buf, bufsize);
2809 "---\nCiphers common between both SSL end points:\n");
2813 BIO_write(io, space, 26 - j);
2816 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2818 BIO_write(io, p, 1);
2825 ssl_print_sigalgs(io, con);
2826 #ifndef OPENSSL_NO_EC
2827 ssl_print_curves(io, con, 0);
2829 BIO_printf(io, (SSL_cache_hit(con)
2830 ? "---\nReused, " : "---\nNew, "));
2831 c = SSL_get_current_cipher(con);
2832 BIO_printf(io, "%s, Cipher is %s\n",
2833 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2834 SSL_SESSION_print(io, SSL_get_session(con));
2835 BIO_printf(io, "---\n");
2836 print_stats(io, SSL_get_SSL_CTX(con));
2837 BIO_printf(io, "---\n");
2838 peer = SSL_get_peer_certificate(con);
2840 BIO_printf(io, "Client certificate\n");
2841 X509_print(io, peer);
2842 PEM_write_bio_X509(io, peer);
2844 BIO_puts(io, "no client certificate available\n");
2845 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2847 } else if ((www == 2 || www == 3)
2848 && (strncmp("GET /", buf, 5) == 0)) {
2851 static const char *text =
2852 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2858 for (e = p; *e != '\0'; e++) {
2864 dot = (e[0] == '.') ? 2 : 0;
2867 dot = (e[0] == '.') ? 3 : 0;
2870 dot = (e[0] == '/') ? -1 : 0;
2874 dot = (e[0] == '/') ? 1 : 0;
2876 dot = (dot == 3) || (dot == -1); /* filename contains ".."
2881 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
2888 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
2894 BIO_printf(io, "'%s' is an invalid path\r\n", p);
2898 /* if a directory, do the index thang */
2899 if (app_isdir(p) > 0) {
2901 BIO_printf(io, "'%s' is a directory\r\n", p);
2905 if ((file = BIO_new_file(p, "r")) == NULL) {
2907 BIO_printf(io, "Error opening '%s'\r\n", p);
2908 ERR_print_errors(io);
2913 BIO_printf(bio_err, "FILE:%s\n", p);
2917 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2918 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2919 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2921 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2924 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2928 i = BIO_read(file, buf, bufsize);
2934 BIO_printf(bio_err, "%d\n", i);
2935 if (total_bytes > 3 * 1024) {
2937 BIO_printf(bio_err, "RENEGOTIATE\n");
2938 SSL_renegotiate(con);
2942 for (j = 0; j < i;) {
2946 if (++count == 13) {
2947 SSL_renegotiate(con);
2951 k = BIO_write(io, &(buf[j]), i - j);
2953 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con))
2956 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2970 i = (int)BIO_flush(io);
2972 if (!BIO_should_retry(io))
2978 /* make sure we re-use sessions */
2979 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2983 BIO_printf(bio_s_out, "ACCEPT\n");
2989 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
2995 BIO *io, *ssl_bio, *sbio;
2997 buf = app_malloc(bufsize, "server rev buffer");
2998 io = BIO_new(BIO_f_buffer());
2999 ssl_bio = BIO_new(BIO_f_ssl());
3000 if ((io == NULL) || (ssl_bio == NULL))
3003 /* lets make the output buffer a reasonable size */
3004 if (!BIO_set_write_buffer_size(io, bufsize))
3007 if ((con = SSL_new(ctx)) == NULL)
3010 if (s_tlsextdebug) {
3011 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3012 SSL_set_tlsext_debug_arg(con, bio_s_out);
3014 if (context && !SSL_set_session_id_context(con, context,
3015 strlen((char *)context))) {
3016 ERR_print_errors(bio_err);
3020 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3021 SSL_set_bio(con, sbio, sbio);
3022 SSL_set_accept_state(con);
3024 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3025 BIO_push(io, ssl_bio);
3026 #ifdef CHARSET_EBCDIC
3027 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3031 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3032 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3035 #ifndef OPENSSL_NO_SSL_TRACE
3037 SSL_set_msg_callback(con, SSL_trace);
3040 SSL_set_msg_callback(con, msg_cb);
3041 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3045 i = BIO_do_handshake(io);
3048 if (!BIO_should_retry(io)) {
3049 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3050 ERR_print_errors(bio_err);
3053 #ifndef OPENSSL_NO_SRP
3054 if (BIO_should_io_special(io)
3055 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3056 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3057 srp_callback_parm.user =
3058 SRP_VBASE_get_by_user(srp_callback_parm.vb,
3059 srp_callback_parm.login);
3060 if (srp_callback_parm.user)
3061 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3062 srp_callback_parm.user->info);
3064 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3069 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3070 print_ssl_summary(con);
3073 i = BIO_gets(io, buf, bufsize - 1);
3074 if (i < 0) { /* error */
3075 if (!BIO_should_retry(io)) {
3077 ERR_print_errors(bio_err);
3080 BIO_printf(bio_s_out, "read R BLOCK\n");
3081 #ifndef OPENSSL_NO_SRP
3082 if (BIO_should_io_special(io)
3083 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3084 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3085 srp_callback_parm.user =
3086 SRP_VBASE_get_by_user(srp_callback_parm.vb,
3087 srp_callback_parm.login);
3088 if (srp_callback_parm.user)
3089 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3090 srp_callback_parm.user->info);
3092 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3096 #if defined(OPENSSL_SYS_NETWARE)
3098 #elif !defined(OPENSSL_SYS_MSDOS)
3103 } else if (i == 0) { /* end of input */
3105 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3108 char *p = buf + i - 1;
3109 while (i && (*p == '\n' || *p == '\r')) {
3113 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3115 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3118 BUF_reverse((unsigned char *)buf, NULL, i);
3120 BIO_write(io, buf, i + 1);
3125 if (!BIO_should_retry(io))
3131 /* make sure we re-use sessions */
3132 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3141 #define MAX_SESSION_ID_ATTEMPTS 10
3142 static int generate_session_id(const SSL *ssl, unsigned char *id,
3143 unsigned int *id_len)
3145 unsigned int count = 0;
3147 if (RAND_bytes(id, *id_len) <= 0)
3150 * Prefix the session_id with the required prefix. NB: If our prefix
3151 * is too long, clip it - but there will be worse effects anyway, eg.
3152 * the server could only possibly create 1 session ID (ie. the
3153 * prefix!) so all future session negotiations will fail due to
3156 memcpy(id, session_id_prefix,
3157 (strlen(session_id_prefix) < *id_len) ?
3158 strlen(session_id_prefix) : *id_len);
3160 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3161 (++count < MAX_SESSION_ID_ATTEMPTS));
3162 if (count >= MAX_SESSION_ID_ATTEMPTS)
3168 * By default s_server uses an in-memory cache which caches SSL_SESSION
3169 * structures without any serialisation. This hides some bugs which only
3170 * become apparent in deployed servers. By implementing a basic external
3171 * session cache some issues can be debugged using s_server.
3174 typedef struct simple_ssl_session_st {
3179 struct simple_ssl_session_st *next;
3180 } simple_ssl_session;
3182 static simple_ssl_session *first = NULL;
3184 static int add_session(SSL *ssl, SSL_SESSION *session)
3186 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3189 SSL_SESSION_get_id(session, &sess->idlen);
3190 sess->derlen = i2d_SSL_SESSION(session, NULL);
3191 if (sess->derlen < 0) {
3192 BIO_printf(bio_err, "Error encoding session\n");
3197 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3198 sess->der = app_malloc(sess->derlen, "get session buffer");
3200 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3201 OPENSSL_free(sess->id);
3202 OPENSSL_free(sess->der);
3208 /* Assume it still works. */
3209 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3210 BIO_printf(bio_err, "Unexpected session encoding length\n");
3211 OPENSSL_free(sess->id);
3212 OPENSSL_free(sess->der);
3219 BIO_printf(bio_err, "New session added to external cache\n");
3223 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3226 simple_ssl_session *sess;
3228 for (sess = first; sess; sess = sess->next) {
3229 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3230 const unsigned char *p = sess->der;
3231 BIO_printf(bio_err, "Lookup session: cache hit\n");
3232 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3235 BIO_printf(bio_err, "Lookup session: cache miss\n");
3239 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3241 simple_ssl_session *sess, *prev = NULL;
3242 const unsigned char *id;
3244 id = SSL_SESSION_get_id(session, &idlen);
3245 for (sess = first; sess; sess = sess->next) {
3246 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3248 prev->next = sess->next;
3251 OPENSSL_free(sess->id);
3252 OPENSSL_free(sess->der);
3260 static void init_session_cache_ctx(SSL_CTX *sctx)
3262 SSL_CTX_set_session_cache_mode(sctx,
3263 SSL_SESS_CACHE_NO_INTERNAL |
3264 SSL_SESS_CACHE_SERVER);
3265 SSL_CTX_sess_set_new_cb(sctx, add_session);
3266 SSL_CTX_sess_set_get_cb(sctx, get_session);
3267 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3270 static void free_sessions(void)
3272 simple_ssl_session *sess, *tsess;
3273 for (sess = first; sess;) {
3274 OPENSSL_free(sess->id);
3275 OPENSSL_free(sess->der);
3278 OPENSSL_free(tsess);