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 int sv_body(char *hostname, int s, int stype, unsigned char *context);
198 static int www_body(char *hostname, int s, int stype, unsigned char *context);
199 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
200 static void close_accept_socket(void);
201 static int init_ssl_connection(SSL *s);
202 static void print_stats(BIO *bp, SSL_CTX *ctx);
203 static int generate_session_id(const SSL *ssl, unsigned char *id,
204 unsigned int *id_len);
205 static void init_session_cache_ctx(SSL_CTX *sctx);
206 static void free_sessions(void);
207 #ifndef OPENSSL_NO_DH
208 static DH *load_dh_param(const char *dhfile);
211 static void s_server_init(void);
213 /* static int load_CA(SSL_CTX *ctx, char *file);*/
216 #define BUFSIZZ 16*1024
217 static int bufsize = BUFSIZZ;
218 static int accept_socket = -1;
220 #define TEST_CERT "server.pem"
221 #define TEST_CERT2 "server2.pem"
223 extern int verify_depth, verify_return_error, verify_quiet;
225 static int s_server_verify = SSL_VERIFY_NONE;
226 static int s_server_session_id_context = 1; /* anything will do */
227 static const char *s_cert_file = TEST_CERT, *s_key_file =
228 NULL, *s_chain_file = NULL;
230 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
231 static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
233 static int s_nbio = 0;
235 static int s_nbio_test = 0;
236 static int s_crlf = 0;
237 static SSL_CTX *ctx = NULL;
238 static SSL_CTX *ctx2 = NULL;
241 static BIO *bio_s_out = NULL;
242 static BIO *bio_s_msg = NULL;
243 static int s_debug = 0;
244 static int s_tlsextdebug = 0;
245 static int s_tlsextstatus = 0;
246 static int cert_status_cb(SSL *s, void *arg);
247 static int no_resume_ephemeral = 0;
248 static int s_msg = 0;
249 static int s_quiet = 0;
250 static int s_ign_eof = 0;
251 static int s_brief = 0;
253 static char *keymatexportlabel = NULL;
254 static int keymatexportlen = 20;
256 static int async = 0;
258 #ifndef OPENSSL_NO_ENGINE
259 static char *engine_id = NULL;
261 static const char *session_id_prefix = NULL;
263 static int enable_timeouts = 0;
264 static long socket_mtu;
265 #ifndef OPENSSL_NO_DTLS1
266 static int cert_chain = 0;
268 static int dtlslisten = 0;
270 static BIO *serverinfo_in = NULL;
271 static const char *s_serverinfo_file = NULL;
273 #ifndef OPENSSL_NO_PSK
274 static char *psk_identity = "Client_identity";
275 char *psk_key = NULL; /* by default PSK is not used */
277 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
279 unsigned int max_psk_len)
281 unsigned int psk_len = 0;
286 BIO_printf(bio_s_out, "psk_server_cb\n");
288 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
292 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
293 (int)strlen(identity), identity);
295 /* here we could lookup the given identity e.g. from a database */
296 if (strcmp(identity, psk_identity) != 0) {
297 BIO_printf(bio_s_out, "PSK error: client identity not found"
298 " (got '%s' expected '%s')\n", identity, psk_identity);
302 BIO_printf(bio_s_out, "PSK client identity found\n");
304 /* convert the PSK key to binary */
305 ret = BN_hex2bn(&bn, psk_key);
307 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
312 if (BN_num_bytes(bn) > (int)max_psk_len) {
314 "psk buffer of callback is too small (%d) for key (%d)\n",
315 max_psk_len, BN_num_bytes(bn));
320 ret = BN_bn2bin(bn, psk);
325 psk_len = (unsigned int)ret;
328 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
332 BIO_printf(bio_err, "Error in PSK server callback\n");
333 (void)BIO_flush(bio_err);
334 (void)BIO_flush(bio_s_out);
339 #ifndef OPENSSL_NO_SRP
340 /* This is a context that we pass to callbacks */
341 typedef struct srpsrvparm_st {
348 * This callback pretends to require some asynchronous logic in order to
349 * obtain a verifier. When the callback is called for a new connection we
350 * return with a negative value. This will provoke the accept etc to return
351 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
352 * (which would normally occur after a worker has finished) and we set the
355 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
357 srpsrvparm *p = (srpsrvparm *) arg;
358 if (p->login == NULL && p->user == NULL) {
359 p->login = SSL_get_srp_username(s);
360 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
364 if (p->user == NULL) {
365 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
366 return SSL3_AL_FATAL;
368 if (SSL_set_srp_server_param
369 (s, p->user->N, p->user->g, p->user->s, p->user->v,
370 p->user->info) < 0) {
371 *ad = SSL_AD_INTERNAL_ERROR;
372 return SSL3_AL_FATAL;
375 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
376 p->login, p->user->info);
377 /* need to check whether there are memory leaks */
380 return SSL_ERROR_NONE;
385 static void s_server_init(void)
389 s_server_verify = SSL_VERIFY_NONE;
392 s_dchain_file = NULL;
393 s_cert_file = TEST_CERT;
396 s_cert_file2 = TEST_CERT2;
409 #ifndef OPENSSL_NO_ENGINE
414 static int local_argc = 0;
415 static char **local_argv;
417 #ifdef CHARSET_EBCDIC
418 static int ebcdic_new(BIO *bi);
419 static int ebcdic_free(BIO *a);
420 static int ebcdic_read(BIO *b, char *out, int outl);
421 static int ebcdic_write(BIO *b, const char *in, int inl);
422 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
423 static int ebcdic_gets(BIO *bp, char *buf, int size);
424 static int ebcdic_puts(BIO *bp, const char *str);
426 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
427 static BIO_METHOD methods_ebcdic = {
428 BIO_TYPE_EBCDIC_FILTER,
429 "EBCDIC/ASCII filter",
439 /* This struct is "unwarranted chumminess with the compiler." */
445 BIO_METHOD *BIO_f_ebcdic_filter()
447 return (&methods_ebcdic);
450 static int ebcdic_new(BIO *bi)
452 EBCDIC_OUTBUFF *wbuf;
454 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
455 wbuf->alloced = 1024;
456 wbuf->buff[0] = '\0';
458 bi->ptr = (char *)wbuf;
464 static int ebcdic_free(BIO *a)
468 OPENSSL_free(a->ptr);
475 static int ebcdic_read(BIO *b, char *out, int outl)
479 if (out == NULL || outl == 0)
481 if (b->next_bio == NULL)
484 ret = BIO_read(b->next_bio, out, outl);
486 ascii2ebcdic(out, out, ret);
490 static int ebcdic_write(BIO *b, const char *in, int inl)
492 EBCDIC_OUTBUFF *wbuf;
497 if ((in == NULL) || (inl <= 0))
499 if (b->next_bio == NULL)
502 wbuf = (EBCDIC_OUTBUFF *) b->ptr;
504 if (inl > (num = wbuf->alloced)) {
505 num = num + num; /* double the size */
508 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
509 OPENSSL_free(b->ptr);
512 wbuf->buff[0] = '\0';
514 b->ptr = (char *)wbuf;
517 ebcdic2ascii(wbuf->buff, in, inl);
519 ret = BIO_write(b->next_bio, wbuf->buff, inl);
524 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
528 if (b->next_bio == NULL)
535 ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
541 static int ebcdic_gets(BIO *bp, char *buf, int size)
544 if (bp->next_bio == NULL)
546 /* return(BIO_gets(bp->next_bio,buf,size));*/
547 for (i = 0; i < size - 1; ++i) {
548 ret = ebcdic_read(bp, &buf[i], 1);
551 else if (buf[i] == '\n') {
558 return (ret < 0 && i == 0) ? ret : i;
561 static int ebcdic_puts(BIO *bp, const char *str)
563 if (bp->next_bio == NULL)
565 return ebcdic_write(bp, str, strlen(str));
569 /* This is a context that we pass to callbacks */
570 typedef struct tlsextctx_st {
576 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
578 tlsextctx *p = (tlsextctx *) arg;
579 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
580 if (servername && p->biodebug)
581 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
585 return SSL_TLSEXT_ERR_NOACK;
588 if (strcasecmp(servername, p->servername))
589 return p->extension_error;
591 BIO_printf(p->biodebug, "Switching server context.\n");
592 SSL_set_SSL_CTX(s, ctx2);
595 return SSL_TLSEXT_ERR_OK;
598 /* Structure passed to cert status callback */
600 typedef struct tlsextstatusctx_st {
601 /* Default responder to use */
602 char *host, *path, *port;
608 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 };
611 * Certificate Status callback. This is called when a client includes a
612 * certificate status request extension. This is a simplified version. It
613 * examines certificates each time and makes one OCSP responder query for
614 * each request. A full version would store details such as the OCSP
615 * certificate IDs and minimise the number of OCSP responses by caching them
616 * until they were considered "expired".
619 static int cert_status_cb(SSL *s, void *arg)
621 tlsextstatusctx *srctx = arg;
622 char *host = NULL, *port = NULL, *path = NULL;
624 unsigned char *rspder = NULL;
626 STACK_OF(OPENSSL_STRING) *aia = NULL;
628 X509_STORE_CTX inctx;
630 OCSP_REQUEST *req = NULL;
631 OCSP_RESPONSE *resp = NULL;
632 OCSP_CERTID *id = NULL;
633 STACK_OF(X509_EXTENSION) *exts;
634 int ret = SSL_TLSEXT_ERR_NOACK;
638 BIO_puts(bio_err, "cert_status: callback called\n");
639 /* Build up OCSP query from server certificate */
640 x = SSL_get_certificate(s);
641 aia = X509_get1_ocsp(x);
643 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
644 &host, &port, &path, &use_ssl)) {
645 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
649 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
650 sk_OPENSSL_STRING_value(aia, 0));
654 "cert_status: no AIA and no default responder URL\n");
660 use_ssl = srctx->use_ssl;
663 if (!X509_STORE_CTX_init(&inctx,
664 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
667 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
668 X509_get_issuer_name(x), &obj) <= 0) {
669 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
670 X509_STORE_CTX_cleanup(&inctx);
673 req = OCSP_REQUEST_new();
676 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
677 X509_free(obj.data.x509);
678 X509_STORE_CTX_cleanup(&inctx);
681 if (!OCSP_request_add0_id(req, id))
684 /* Add any extensions to the request */
685 SSL_get_tlsext_status_exts(s, &exts);
686 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
687 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
688 if (!OCSP_REQUEST_add_ext(req, ext, -1))
691 resp = process_responder(req, host, path, port, use_ssl, NULL,
694 BIO_puts(bio_err, "cert_status: error querying responder\n");
697 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
700 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
701 if (srctx->verbose) {
702 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
703 OCSP_RESPONSE_print(bio_err, resp, 2);
705 ret = SSL_TLSEXT_ERR_OK;
707 if (ret != SSL_TLSEXT_ERR_OK)
708 ERR_print_errors(bio_err);
713 X509_email_free(aia);
715 OCSP_CERTID_free(id);
716 OCSP_REQUEST_free(req);
717 OCSP_RESPONSE_free(resp);
720 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
724 #ifndef OPENSSL_NO_NEXTPROTONEG
725 /* This is the context that we pass to next_proto_cb */
726 typedef struct tlsextnextprotoctx_st {
729 } tlsextnextprotoctx;
731 static int next_proto_cb(SSL *s, const unsigned char **data,
732 unsigned int *len, void *arg)
734 tlsextnextprotoctx *next_proto = arg;
736 *data = next_proto->data;
737 *len = next_proto->len;
739 return SSL_TLSEXT_ERR_OK;
741 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
743 /* This the context that we pass to alpn_cb */
744 typedef struct tlsextalpnctx_st {
749 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
750 const unsigned char *in, unsigned int inlen, void *arg)
752 tlsextalpnctx *alpn_ctx = arg;
755 /* We can assume that |in| is syntactically valid. */
757 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
758 for (i = 0; i < inlen;) {
760 BIO_write(bio_s_out, ", ", 2);
761 BIO_write(bio_s_out, &in[i + 1], in[i]);
764 BIO_write(bio_s_out, "\n", 1);
767 if (SSL_select_next_proto
768 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
769 inlen) != OPENSSL_NPN_NEGOTIATED) {
770 return SSL_TLSEXT_ERR_NOACK;
774 BIO_printf(bio_s_out, "ALPN protocols selected: ");
775 BIO_write(bio_s_out, *out, *outlen);
776 BIO_write(bio_s_out, "\n", 1);
779 return SSL_TLSEXT_ERR_OK;
782 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
784 /* disable resumption for sessions with forward secure ciphers */
785 return is_forward_secure;
788 static char *jpake_secret = NULL;
789 #ifndef OPENSSL_NO_SRP
790 static srpsrvparm srp_callback_parm;
792 #ifndef OPENSSL_NO_SRTP
793 static char *srtp_profiles = NULL;
796 typedef enum OPTION_choice {
797 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
798 OPT_ENGINE, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
799 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
800 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
801 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
802 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
803 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
804 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
805 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
806 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
807 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
808 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE,
809 OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF,
810 OPT_QUIET, OPT_BRIEF, OPT_NO_TMP_RSA, OPT_NO_DHE, OPT_NO_ECDHE,
811 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
812 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
814 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
815 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_CHAIN, OPT_LISTEN,
816 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
817 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_JPAKE,
818 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
824 OPTIONS s_server_options[] = {
825 {"help", OPT_HELP, '-', "Display this summary"},
826 {"port", OPT_PORT, 'p'},
827 {"accept", OPT_PORT, 'p',
828 "TCP/IP port to accept on (default is " PORT_STR ")"},
829 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
830 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
831 {"context", OPT_CONTEXT, 's', "Set session ID context"},
832 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
833 {"Verify", OPT_UPPER_V_VERIFY, 'n',
834 "Turn on peer certificate verification, must have a cert"},
835 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
836 {"naccept", OPT_NACCEPT, 'p', "Terminate after pnum connections"},
837 {"serverinfo", OPT_SERVERINFO, 's',
838 "PEM serverinfo file for certificate"},
839 {"certform", OPT_CERTFORM, 'F',
840 "Certificate format (PEM or DER) PEM default"},
841 {"key", OPT_KEY, '<',
842 "Private Key if not in -cert; default is " TEST_CERT},
843 {"keyform", OPT_KEYFORM, 'f',
844 "Key format (PEM, DER or ENGINE) PEM default"},
845 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
846 {"dcert", OPT_DCERT, '<',
847 "Second certificate file to use (usually for DSA)"},
848 {"dcertform", OPT_DCERTFORM, 'F',
849 "Second certificate format (PEM or DER) PEM default"},
850 {"dkey", OPT_DKEY, '<',
851 "Second private key file to use (usually for DSA)"},
852 {"dkeyform", OPT_DKEYFORM, 'F',
853 "Second key format (PEM, DER or ENGINE) PEM default"},
854 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
855 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
856 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
857 {"debug", OPT_DEBUG, '-', "Print more output"},
858 {"msg", OPT_MSG, '-', "Show protocol messages"},
859 {"msgfile", OPT_MSGFILE, '>'},
860 {"state", OPT_STATE, '-', "Print the SSL states"},
861 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
862 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
863 {"no-CAfile", OPT_NOCAFILE, '-',
864 "Do not load the default certificates file"},
865 {"no-CApath", OPT_NOCAPATH, '-',
866 "Do not load certificates from the default certificates directory"},
867 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
868 {"quiet", OPT_QUIET, '-', "No server output"},
869 {"no_tmp_rsa", OPT_NO_TMP_RSA, '-', "Do not generate a tmp RSA key"},
870 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
871 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
872 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
873 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
874 "Disable caching and tickets if ephemeral (EC)DH is used"},
875 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
876 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
877 {"servername", OPT_SERVERNAME, 's',
878 "Servername for HostName TLS extension"},
879 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
880 "mismatch send fatal alert (default warning alert)"},
881 {"cert2", OPT_CERT2, '<',
882 "Certificate file to use for servername; default is" TEST_CERT2},
883 {"key2", OPT_KEY2, '<',
884 "-Private Key file to use for servername if not in -cert2"},
885 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
886 "Hex dump of all TLS extensions received"},
887 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path incluedes HTTP headers"},
888 {"id_prefix", OPT_ID_PREFIX, 's',
889 "Generate SSL/TLS session IDs prefixed by arg"},
890 {"rand", OPT_RAND, 's',
891 "Load the file(s) into the random number generator"},
892 {"keymatexport", OPT_KEYMATEXPORT, 's',
893 "Export keying material using label"},
894 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
895 "Export len bytes of keying material (default 20)"},
896 {"CRL", OPT_CRL, '<'},
897 {"crl_download", OPT_CRL_DOWNLOAD, '-'},
898 {"cert_chain", OPT_CERT_CHAIN, '<'},
899 {"dcert_chain", OPT_DCERT_CHAIN, '<'},
900 {"chainCApath", OPT_CHAINCAPATH, '/'},
901 {"verifyCApath", OPT_VERIFYCAPATH, '/'},
902 {"no_cache", OPT_NO_CACHE, '-'},
903 {"ext_cache", OPT_EXT_CACHE, '-'},
904 {"CRLform", OPT_CRLFORM, 'F'},
905 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-'},
906 {"verify_quiet", OPT_VERIFY_QUIET, '-'},
907 {"build_chain", OPT_BUILD_CHAIN, '-'},
908 {"chainCAfile", OPT_CHAINCAFILE, '<'},
909 {"verifyCAfile", OPT_VERIFYCAFILE, '<'},
910 {"ign_eof", OPT_IGN_EOF, '-'},
911 {"no_ign_eof", OPT_NO_IGN_EOF, '-'},
912 {"status", OPT_STATUS, '-'},
913 {"status_verbose", OPT_STATUS_VERBOSE, '-'},
914 {"status_timeout", OPT_STATUS_TIMEOUT, 'n'},
915 {"status_url", OPT_STATUS_URL, 's'},
916 {"trace", OPT_TRACE, '-'},
917 {"security_debug", OPT_SECURITY_DEBUG, '-'},
918 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-'},
919 {"brief", OPT_BRIEF, '-'},
920 {"rev", OPT_REV, '-'},
921 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
926 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
928 #ifndef OPENSSL_NO_PSK
929 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
930 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
931 # ifndef OPENSSL_NO_JPAKE
932 {"jpake", OPT_JPAKE, 's', "JPAKE secret to use"},
935 #ifndef OPENSSL_NO_SRP
936 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
937 {"srpuserseed", OPT_SRPUSERSEED, 's',
938 "A seed string for a default user salt"},
940 #ifndef OPENSSL_NO_SSL3
941 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
943 #ifndef OPENSSL_NO_DTLS1
944 {"dtls", OPT_DTLS, '-'},
945 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
946 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
947 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
948 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
949 {"chain", OPT_CHAIN, '-', "Read a certificate chain"},
950 {"listen", OPT_LISTEN, '-',
951 "Listen for a DTLS ClientHello with a cookie and then connect"},
953 #ifndef OPENSSL_NO_DH
954 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
956 #ifndef OPENSSL_NO_EC
957 {"no_ecdhe", OPT_NO_ECDHE, '-', "Disable ephemeral ECDH"},
959 #ifndef OPENSSL_NO_NEXTPROTONEG
960 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
961 "Set the advertised protocols for the NPN extension (comma-separated list)"},
963 #ifndef OPENSSL_NO_SRTP
964 {"use_srtp", OPT_SRTP_PROFILES, 's',
965 "Offer SRTP key management with a colon-separated profile list"},
966 {"alpn", OPT_ALPN, 's',
967 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
969 #ifndef OPENSSL_NO_ENGINE
970 {"engine", OPT_ENGINE, 's'},
975 int s_server_main(int argc, char *argv[])
978 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
979 SSL_CONF_CTX *cctx = NULL;
980 const SSL_METHOD *meth = TLS_server_method();
981 SSL_EXCERT *exc = NULL;
982 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
983 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
984 STACK_OF(X509_CRL) *crls = NULL;
985 X509 *s_cert = NULL, *s_dcert = NULL;
986 X509_VERIFY_PARAM *vpm = NULL;
987 char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
988 #ifndef OPENSSL_NO_DH
991 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
992 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
993 char *crl_file = NULL, *prog;
994 #ifndef OPENSSL_NO_PSK
997 const char *unix_path = NULL;
999 int unlink_unix_path = 0;
1001 int (*server_cb) (char *hostname, int s, int stype,
1002 unsigned char *context);
1003 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
1004 #ifndef OPENSSL_NO_DH
1007 int no_tmp_rsa = 0, no_ecdhe = 0, nocert = 0, ret = 1;
1008 int noCApath = 0, noCAfile = 0;
1009 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1010 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1011 int rev = 0, naccept = -1, sdebug = 0, socket_type = SOCK_STREAM;
1012 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1013 unsigned short port = PORT;
1014 unsigned char *context = NULL;
1016 EVP_PKEY *s_key2 = NULL;
1017 X509 *s_cert2 = NULL;
1018 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1019 #ifndef OPENSSL_NO_NEXTPROTONEG
1020 const char *next_proto_neg_in = NULL;
1021 tlsextnextprotoctx next_proto = { NULL, 0 };
1023 const char *alpn_in = NULL;
1024 tlsextalpnctx alpn_ctx = { NULL, 0 };
1025 #ifndef OPENSSL_NO_PSK
1026 /* by default do not send a PSK identity hint */
1027 static char *psk_identity_hint = NULL;
1029 #ifndef OPENSSL_NO_SRP
1030 char *srpuserseed = NULL;
1031 char *srp_verifier_file = NULL;
1038 cctx = SSL_CONF_CTX_new();
1039 vpm = X509_VERIFY_PARAM_new();
1040 if (cctx == NULL || vpm == NULL)
1042 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1044 prog = opt_init(argc, argv, s_server_options);
1045 while ((o = opt_next()) != OPT_EOF) {
1047 #ifdef OPENSSL_NO_PSK
1051 #ifdef OPENSSL_NO_DTLS1
1062 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1065 opt_help(s_server_options);
1070 if (!extract_port(opt_arg(), &port))
1075 BIO_printf(bio_err, "unix domain sockets unsupported\n");
1078 unix_path = opt_arg();
1083 BIO_printf(bio_err, "unix domain sockets unsupported\n");
1086 unlink_unix_path = 1;
1090 naccept = atol(opt_arg());
1093 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1094 verify_depth = atoi(opt_arg());
1096 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1098 case OPT_UPPER_V_VERIFY:
1100 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1101 SSL_VERIFY_CLIENT_ONCE;
1102 verify_depth = atoi(opt_arg());
1105 "verify depth is %d, must return a certificate\n",
1109 context = (unsigned char *)opt_arg();
1112 s_cert_file = opt_arg();
1115 crl_file = opt_arg();
1117 case OPT_CRL_DOWNLOAD:
1120 case OPT_SERVERINFO:
1121 s_serverinfo_file = opt_arg();
1124 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1128 s_key_file = opt_arg();
1131 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1135 passarg = opt_arg();
1137 case OPT_CERT_CHAIN:
1138 s_chain_file = opt_arg();
1141 #ifndef OPENSSL_NO_DH
1146 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1150 s_dcert_file = opt_arg();
1153 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1157 dpassarg = opt_arg();
1160 s_dkey_file = opt_arg();
1162 case OPT_DCERT_CHAIN:
1163 s_dchain_file = opt_arg();
1174 case OPT_CHAINCAPATH:
1175 chCApath = opt_arg();
1177 case OPT_VERIFYCAPATH:
1178 vfyCApath = opt_arg();
1187 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1191 if (ssl_args == NULL)
1192 ssl_args = sk_OPENSSL_STRING_new_null();
1193 if (ssl_args == NULL
1194 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1195 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1196 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1201 if (!opt_verify(o, vpm))
1206 if (!args_excert(o, &exc))
1209 case OPT_VERIFY_RET_ERROR:
1210 verify_return_error = 1;
1212 case OPT_VERIFY_QUIET:
1215 case OPT_BUILD_CHAIN:
1224 case OPT_CHAINCAFILE:
1225 chCAfile = opt_arg();
1227 case OPT_VERIFYCAFILE:
1228 vfyCAfile = opt_arg();
1234 s_nbio = s_nbio_test = 1;
1239 case OPT_NO_IGN_EOF:
1245 case OPT_TLSEXTDEBUG:
1251 case OPT_STATUS_VERBOSE:
1252 s_tlsextstatus = tlscstatp.verbose = 1;
1254 case OPT_STATUS_TIMEOUT:
1256 tlscstatp.timeout = atoi(opt_arg());
1258 case OPT_STATUS_URL:
1260 if (!OCSP_parse_url(opt_arg(),
1263 &tlscstatp.path, &tlscstatp.use_ssl)) {
1264 BIO_printf(bio_err, "Error parsing URL\n");
1272 bio_s_msg = BIO_new_file(opt_arg(), "w");
1275 #ifndef OPENSSL_NO_SSL_TRACE
1280 case OPT_SECURITY_DEBUG:
1283 case OPT_SECURITY_DEBUG_VERBOSE:
1296 s_quiet = s_brief = verify_quiet = 1;
1298 case OPT_NO_TMP_RSA:
1302 #ifndef OPENSSL_NO_DH
1309 case OPT_NO_RESUME_EPHEMERAL:
1310 no_resume_ephemeral = 1;
1312 #ifndef OPENSSL_NO_PSK
1314 psk_identity_hint = opt_arg();
1317 for (p = psk_key = opt_arg(); *p; p++) {
1320 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1325 #ifndef OPENSSL_NO_SRP
1327 srp_verifier_file = opt_arg();
1328 meth = TLSv1_server_method();
1330 case OPT_SRPUSERSEED:
1331 srpuserseed = opt_arg();
1332 meth = TLSv1_server_method();
1336 case OPT_SRPUSERSEED:
1352 #ifndef OPENSSL_NO_SSL3
1353 meth = SSLv3_server_method();
1357 meth = TLSv1_2_server_method();
1360 meth = TLSv1_1_server_method();
1363 meth = TLSv1_server_method();
1365 #ifndef OPENSSL_NO_DTLS1
1367 meth = DTLS_server_method();
1368 socket_type = SOCK_DGRAM;
1371 meth = DTLSv1_server_method();
1372 socket_type = SOCK_DGRAM;
1375 meth = DTLSv1_2_server_method();
1376 socket_type = SOCK_DGRAM;
1379 enable_timeouts = 1;
1382 socket_mtu = atol(opt_arg());
1401 session_id_prefix = opt_arg();
1404 e = setup_engine(opt_arg(), 1);
1409 case OPT_SERVERNAME:
1410 tlsextcbp.servername = opt_arg();
1412 case OPT_SERVERNAME_FATAL:
1413 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1416 s_cert_file2 = opt_arg();
1419 s_key_file2 = opt_arg();
1421 case OPT_NEXTPROTONEG:
1422 # ifndef OPENSSL_NO_NEXTPROTONEG
1423 next_proto_neg_in = opt_arg();
1427 alpn_in = opt_arg();
1429 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1431 jpake_secret = opt_arg();
1437 case OPT_SRTP_PROFILES:
1438 srtp_profiles = opt_arg();
1440 case OPT_KEYMATEXPORT:
1441 keymatexportlabel = opt_arg();
1443 case OPT_KEYMATEXPORTLEN:
1444 keymatexportlen = atoi(opt_arg());
1451 argc = opt_num_rest();
1454 #ifndef OPENSSL_NO_DTLS1
1455 if (www && socket_type == SOCK_DGRAM) {
1456 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1460 if (dtlslisten && socket_type != SOCK_DGRAM) {
1461 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1466 if (unix_path && (socket_type != SOCK_STREAM)) {
1468 "Can't use unix sockets and datagrams together\n");
1471 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1474 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1477 psk_identity = "JPAKE";
1481 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1482 BIO_printf(bio_err, "Error getting password\n");
1486 if (s_key_file == NULL)
1487 s_key_file = s_cert_file;
1489 if (s_key_file2 == NULL)
1490 s_key_file2 = s_cert_file2;
1492 if (!load_excert(&exc))
1496 s_key = load_key(s_key_file, s_key_format, 0, pass, e,
1497 "server certificate private key file");
1499 ERR_print_errors(bio_err);
1503 s_cert = load_cert(s_cert_file, s_cert_format,
1504 NULL, e, "server certificate file");
1507 ERR_print_errors(bio_err);
1511 s_chain = load_certs(s_chain_file, FORMAT_PEM,
1512 NULL, e, "server certificate chain");
1517 if (tlsextcbp.servername) {
1518 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, e,
1519 "second server certificate private key file");
1521 ERR_print_errors(bio_err);
1525 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1526 NULL, e, "second server certificate file");
1529 ERR_print_errors(bio_err);
1534 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1535 if (next_proto_neg_in) {
1537 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1538 if (next_proto.data == NULL)
1540 next_proto.len = len;
1542 next_proto.data = NULL;
1545 alpn_ctx.data = NULL;
1548 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1549 if (alpn_ctx.data == NULL)
1556 crl = load_crl(crl_file, crl_format);
1558 BIO_puts(bio_err, "Error loading CRL\n");
1559 ERR_print_errors(bio_err);
1562 crls = sk_X509_CRL_new_null();
1563 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1564 BIO_puts(bio_err, "Error adding CRL\n");
1565 ERR_print_errors(bio_err);
1573 if (s_dkey_file == NULL)
1574 s_dkey_file = s_dcert_file;
1576 s_dkey = load_key(s_dkey_file, s_dkey_format,
1577 0, dpass, e, "second certificate private key file");
1579 ERR_print_errors(bio_err);
1583 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1584 NULL, e, "second server certificate file");
1587 ERR_print_errors(bio_err);
1590 if (s_dchain_file) {
1591 s_dchain = load_certs(s_dchain_file, FORMAT_PEM,
1592 NULL, e, "second server certificate chain");
1599 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1600 && !RAND_status()) {
1602 "warning, not much extra random data, consider using the -rand option\n");
1605 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1606 app_RAND_load_files(inrand));
1608 if (bio_s_out == NULL) {
1609 if (s_quiet && !s_debug) {
1610 bio_s_out = BIO_new(BIO_s_null());
1611 if (s_msg && !bio_s_msg)
1612 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1614 if (bio_s_out == NULL)
1615 bio_s_out = dup_bio_out(FORMAT_TEXT);
1618 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1624 s_dcert_file = NULL;
1626 s_cert_file2 = NULL;
1630 ctx = SSL_CTX_new(meth);
1632 ssl_ctx_security_debug(ctx, sdebug);
1634 ERR_print_errors(bio_err);
1637 if (session_id_prefix) {
1638 if (strlen(session_id_prefix) >= 32)
1640 "warning: id_prefix is too long, only one new session will be possible\n");
1641 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1642 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1643 ERR_print_errors(bio_err);
1646 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1648 SSL_CTX_set_quiet_shutdown(ctx, 1);
1650 ssl_ctx_set_excert(ctx, exc);
1653 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1655 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1657 init_session_cache_ctx(ctx);
1659 SSL_CTX_sess_set_cache_size(ctx, 128);
1662 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1663 ASYNC_init(1, 0, 0);
1666 #ifndef OPENSSL_NO_SRTP
1667 if (srtp_profiles != NULL) {
1668 /* Returns 0 on success! */
1669 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1670 BIO_printf(bio_err, "Error setting SRTP profile\n");
1671 ERR_print_errors(bio_err);
1677 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1678 ERR_print_errors(bio_err);
1681 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1682 BIO_printf(bio_err, "Error setting verify params\n");
1683 ERR_print_errors(bio_err);
1687 ssl_ctx_add_crls(ctx, crls, 0);
1688 if (!config_ctx(cctx, ssl_args, ctx, no_ecdhe, jpake_secret == NULL))
1691 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1692 crls, crl_download)) {
1693 BIO_printf(bio_err, "Error loading store locations\n");
1694 ERR_print_errors(bio_err);
1699 ctx2 = SSL_CTX_new(meth);
1701 ERR_print_errors(bio_err);
1707 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1710 ssl_ctx_security_debug(ctx, sdebug);
1712 if (session_id_prefix) {
1713 if (strlen(session_id_prefix) >= 32)
1715 "warning: id_prefix is too long, only one new session will be possible\n");
1716 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1717 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1718 ERR_print_errors(bio_err);
1721 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1723 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1725 ssl_ctx_set_excert(ctx2, exc);
1728 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1731 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1733 init_session_cache_ctx(ctx2);
1735 SSL_CTX_sess_set_cache_size(ctx2, 128);
1738 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1740 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1741 (!SSL_CTX_set_default_verify_paths(ctx2))) {
1742 ERR_print_errors(bio_err);
1744 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1745 BIO_printf(bio_err, "Error setting verify params\n");
1746 ERR_print_errors(bio_err);
1750 ssl_ctx_add_crls(ctx2, crls, 0);
1751 if (!config_ctx(cctx, ssl_args, ctx2, no_ecdhe, jpake_secret == NULL))
1754 #ifndef OPENSSL_NO_NEXTPROTONEG
1755 if (next_proto.data)
1756 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1760 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1762 #ifndef OPENSSL_NO_DH
1767 dh = load_dh_param(dhfile);
1768 else if (s_cert_file)
1769 dh = load_dh_param(s_cert_file);
1772 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1774 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1776 (void)BIO_flush(bio_s_out);
1779 SSL_CTX_set_dh_auto(ctx, 1);
1780 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1781 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1782 ERR_print_errors(bio_err);
1789 DH *dh2 = load_dh_param(s_cert_file2);
1791 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1792 (void)BIO_flush(bio_s_out);
1799 SSL_CTX_set_dh_auto(ctx2, 1);
1800 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1801 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1802 ERR_print_errors(bio_err);
1811 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1814 if (s_serverinfo_file != NULL
1815 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1816 ERR_print_errors(bio_err);
1820 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1823 if (s_dcert != NULL) {
1824 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1827 #ifndef OPENSSL_NO_RSA
1829 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb);
1831 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb);
1835 if (no_resume_ephemeral) {
1836 SSL_CTX_set_not_resumable_session_callback(ctx,
1837 not_resumable_sess_cb);
1840 SSL_CTX_set_not_resumable_session_callback(ctx2,
1841 not_resumable_sess_cb);
1843 #ifndef OPENSSL_NO_PSK
1844 # ifdef OPENSSL_NO_JPAKE
1845 if (psk_key != NULL)
1847 if (psk_key != NULL || jpake_secret)
1851 BIO_printf(bio_s_out,
1852 "PSK key given or JPAKE in use, setting server callback\n");
1853 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1856 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1857 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1858 ERR_print_errors(bio_err);
1863 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1864 if (!SSL_CTX_set_session_id_context(ctx,
1865 (void *)&s_server_session_id_context,
1866 sizeof s_server_session_id_context)) {
1867 BIO_printf(bio_err, "error setting session id context\n");
1868 ERR_print_errors(bio_err);
1872 /* Set DTLS cookie generation and verification callbacks */
1873 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1874 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1877 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1878 if (!SSL_CTX_set_session_id_context(ctx2,
1879 (void *)&s_server_session_id_context,
1880 sizeof s_server_session_id_context)) {
1881 BIO_printf(bio_err, "error setting session id context\n");
1882 ERR_print_errors(bio_err);
1885 tlsextcbp.biodebug = bio_s_out;
1886 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1887 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1888 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1889 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1892 #ifndef OPENSSL_NO_SRP
1893 if (srp_verifier_file != NULL) {
1894 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1895 srp_callback_parm.user = NULL;
1896 srp_callback_parm.login = NULL;
1898 SRP_VBASE_init(srp_callback_parm.vb,
1899 srp_verifier_file)) != SRP_NO_ERROR) {
1901 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1902 srp_verifier_file, ret);
1905 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
1906 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1907 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1910 if (CAfile != NULL) {
1911 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1914 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1916 if (s_tlsextstatus) {
1917 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1918 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1920 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
1921 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
1925 BIO_printf(bio_s_out, "ACCEPT\n");
1926 (void)BIO_flush(bio_s_out);
1928 server_cb = rev_body;
1930 server_cb = www_body;
1932 server_cb = sv_body;
1935 if (unlink_unix_path)
1937 do_server_unix(unix_path, &accept_socket, server_cb, context,
1941 do_server(port, socket_type, &accept_socket, server_cb, context,
1943 print_stats(bio_s_out, ctx);
1948 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1950 EVP_PKEY_free(s_key);
1951 EVP_PKEY_free(s_dkey);
1952 sk_X509_pop_free(s_chain, X509_free);
1953 sk_X509_pop_free(s_dchain, X509_free);
1955 OPENSSL_free(dpass);
1956 X509_VERIFY_PARAM_free(vpm);
1958 OPENSSL_free(tlscstatp.host);
1959 OPENSSL_free(tlscstatp.port);
1960 OPENSSL_free(tlscstatp.path);
1963 EVP_PKEY_free(s_key2);
1964 BIO_free(serverinfo_in);
1965 #ifndef OPENSSL_NO_NEXTPROTONEG
1966 OPENSSL_free(next_proto.data);
1968 OPENSSL_free(alpn_ctx.data);
1969 ssl_excert_free(exc);
1970 sk_OPENSSL_STRING_free(ssl_args);
1971 SSL_CONF_CTX_free(cctx);
1972 BIO_free(bio_s_out);
1974 BIO_free(bio_s_msg);
1982 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1984 BIO_printf(bio, "%4ld items in the session cache\n",
1985 SSL_CTX_sess_number(ssl_ctx));
1986 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1987 SSL_CTX_sess_connect(ssl_ctx));
1988 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1989 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1990 BIO_printf(bio, "%4ld client connects that finished\n",
1991 SSL_CTX_sess_connect_good(ssl_ctx));
1992 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1993 SSL_CTX_sess_accept(ssl_ctx));
1994 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1995 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1996 BIO_printf(bio, "%4ld server accepts that finished\n",
1997 SSL_CTX_sess_accept_good(ssl_ctx));
1998 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1999 BIO_printf(bio, "%4ld session cache misses\n",
2000 SSL_CTX_sess_misses(ssl_ctx));
2001 BIO_printf(bio, "%4ld session cache timeouts\n",
2002 SSL_CTX_sess_timeouts(ssl_ctx));
2003 BIO_printf(bio, "%4ld callback cache hits\n",
2004 SSL_CTX_sess_cb_hits(ssl_ctx));
2005 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2006 SSL_CTX_sess_cache_full(ssl_ctx),
2007 SSL_CTX_sess_get_cache_size(ssl_ctx));
2010 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2019 struct timeval timeout;
2020 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2023 struct timeval *timeoutp;
2026 buf = app_malloc(bufsize, "server buffer");
2029 unsigned long sl = 1;
2032 BIO_printf(bio_err, "turning on non blocking io\n");
2033 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
2034 ERR_print_errors(bio_err);
2041 if (s_tlsextdebug) {
2042 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2043 SSL_set_tlsext_debug_arg(con, bio_s_out);
2047 && !SSL_set_session_id_context(con,
2048 context, strlen((char *)context))) {
2049 BIO_printf(bio_err, "Error setting session id context\n");
2054 if (!SSL_clear(con)) {
2055 BIO_printf(bio_err, "Error clearing SSL connection\n");
2060 if (stype == SOCK_DGRAM) {
2062 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2064 if (enable_timeouts) {
2066 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2067 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2070 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2071 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2075 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2076 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2077 DTLS_get_link_min_mtu(con));
2082 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2083 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2084 BIO_printf(bio_err, "Failed to set MTU\n");
2090 /* want to do MTU discovery */
2091 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2093 /* turn on cookie exchange */
2094 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 SSL_set_debug(con, 1);
2115 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2116 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2119 #ifndef OPENSSL_NO_SSL_TRACE
2121 SSL_set_msg_callback(con, SSL_trace);
2124 SSL_set_msg_callback(con, msg_cb);
2125 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2128 if (s_tlsextdebug) {
2129 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2130 SSL_set_tlsext_debug_arg(con, bio_s_out);
2135 int read_from_terminal;
2136 int read_from_sslcon;
2138 read_from_terminal = 0;
2139 read_from_sslcon = SSL_pending(con)
2140 || (async && SSL_waiting_for_async(con));
2142 if (!read_from_sslcon) {
2144 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
2145 openssl_fdset(fileno(stdin), &readfds);
2147 openssl_fdset(s, &readfds);
2149 * Note: under VMS with SOCKETSHR the second parameter is
2150 * currently of type (int *) whereas under other systems it is
2151 * (void *) if you don't have a cast it will choke the compiler:
2152 * if you do have a cast then you can either go for (int *) or
2155 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2157 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2158 * only on sockets. As a workaround we timeout the select every
2159 * second and check for any keypress. In a proper Windows
2160 * application we wouldn't do this because it is inefficient.
2164 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2165 if ((i < 0) || (!i && !_kbhit()))
2168 read_from_terminal = 1;
2170 if ((SSL_version(con) == DTLS1_VERSION) &&
2171 DTLSv1_get_timeout(con, &timeout))
2172 timeoutp = &timeout;
2176 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2178 if ((SSL_version(con) == DTLS1_VERSION)
2179 && DTLSv1_handle_timeout(con) > 0) {
2180 BIO_printf(bio_err, "TIMEOUT occurred\n");
2185 if (FD_ISSET(fileno(stdin), &readfds))
2186 read_from_terminal = 1;
2188 if (FD_ISSET(s, &readfds))
2189 read_from_sslcon = 1;
2191 if (read_from_terminal) {
2195 i = raw_read_stdin(buf, bufsize / 2);
2197 /* both loops are skipped when i <= 0 */
2198 for (j = 0; j < i; j++)
2201 for (j = i - 1; j >= 0; j--) {
2202 buf[j + lf_num] = buf[j];
2203 if (buf[j] == '\n') {
2206 buf[j + lf_num] = '\r';
2209 assert(lf_num == 0);
2211 i = raw_read_stdin(buf, bufsize);
2212 if (!s_quiet && !s_brief) {
2213 if ((i <= 0) || (buf[0] == 'Q')) {
2214 BIO_printf(bio_s_out, "DONE\n");
2215 (void)BIO_flush(bio_s_out);
2217 close_accept_socket();
2221 if ((i <= 0) || (buf[0] == 'q')) {
2222 BIO_printf(bio_s_out, "DONE\n");
2223 (void)BIO_flush(bio_s_out);
2224 if (SSL_version(con) != DTLS1_VERSION)
2227 * close_accept_socket(); ret= -11;
2231 #ifndef OPENSSL_NO_HEARTBEATS
2232 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2233 BIO_printf(bio_err, "HEARTBEATING\n");
2239 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2240 SSL_renegotiate(con);
2241 i = SSL_do_handshake(con);
2242 printf("SSL_do_handshake -> %d\n", i);
2246 * strcpy(buf,"server side RE-NEGOTIATE\n");
2249 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2251 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2253 SSL_renegotiate(con);
2254 i = SSL_do_handshake(con);
2255 printf("SSL_do_handshake -> %d\n", i);
2259 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2263 if (buf[0] == 'P') {
2264 static const char *str = "Lets print some clear text\n";
2265 BIO_write(SSL_get_wbio(con), str, strlen(str));
2267 if (buf[0] == 'S') {
2268 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2271 #ifdef CHARSET_EBCDIC
2272 ebcdic2ascii(buf, buf, i);
2276 /* should do a select for the write */
2280 if (++count == 100) {
2282 SSL_renegotiate(con);
2286 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2287 #ifndef OPENSSL_NO_SRP
2288 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2289 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2290 srp_callback_parm.user =
2291 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2292 srp_callback_parm.login);
2293 if (srp_callback_parm.user)
2294 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2295 srp_callback_parm.user->info);
2297 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2298 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2301 switch (SSL_get_error(con, k)) {
2302 case SSL_ERROR_NONE:
2304 case SSL_ERROR_WANT_ASYNC:
2305 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2306 wait_for_async(con);
2308 case SSL_ERROR_WANT_WRITE:
2309 case SSL_ERROR_WANT_READ:
2310 case SSL_ERROR_WANT_X509_LOOKUP:
2311 BIO_printf(bio_s_out, "Write BLOCK\n");
2313 case SSL_ERROR_SYSCALL:
2315 BIO_printf(bio_s_out, "ERROR\n");
2316 (void)BIO_flush(bio_s_out);
2317 ERR_print_errors(bio_err);
2321 case SSL_ERROR_ZERO_RETURN:
2322 BIO_printf(bio_s_out, "DONE\n");
2323 (void)BIO_flush(bio_s_out);
2335 if (read_from_sslcon) {
2337 * init_ssl_connection handles all async events itself so if we're
2338 * waiting for async then we shouldn't go back into
2339 * init_ssl_connection
2341 if ((!async || !SSL_waiting_for_async(con))
2342 && !SSL_is_init_finished(con)) {
2343 i = init_ssl_connection(con);
2348 } else if (i == 0) {
2354 i = SSL_read(con, (char *)buf, bufsize);
2355 #ifndef OPENSSL_NO_SRP
2356 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2357 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2358 srp_callback_parm.user =
2359 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2360 srp_callback_parm.login);
2361 if (srp_callback_parm.user)
2362 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2363 srp_callback_parm.user->info);
2365 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2366 i = SSL_read(con, (char *)buf, bufsize);
2369 switch (SSL_get_error(con, i)) {
2370 case SSL_ERROR_NONE:
2371 #ifdef CHARSET_EBCDIC
2372 ascii2ebcdic(buf, buf, i);
2374 raw_write_stdout(buf, (unsigned int)i);
2375 if (SSL_pending(con))
2378 case SSL_ERROR_WANT_ASYNC:
2379 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2380 wait_for_async(con);
2382 case SSL_ERROR_WANT_WRITE:
2383 case SSL_ERROR_WANT_READ:
2384 BIO_printf(bio_s_out, "Read BLOCK\n");
2386 case SSL_ERROR_SYSCALL:
2388 BIO_printf(bio_s_out, "ERROR\n");
2389 (void)BIO_flush(bio_s_out);
2390 ERR_print_errors(bio_err);
2393 case SSL_ERROR_ZERO_RETURN:
2394 BIO_printf(bio_s_out, "DONE\n");
2395 (void)BIO_flush(bio_s_out);
2404 BIO_printf(bio_s_out, "shutting down SSL\n");
2405 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2408 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2409 OPENSSL_clear_free(buf, bufsize);
2411 BIO_printf(bio_s_out, "ACCEPT\n");
2412 (void)BIO_flush(bio_s_out);
2416 static void close_accept_socket(void)
2418 BIO_printf(bio_err, "shutdown accept socket\n");
2419 if (accept_socket >= 0) {
2420 SHUTDOWN2(accept_socket);
2424 static int init_ssl_connection(SSL *con)
2431 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2432 const unsigned char *next_proto_neg;
2433 unsigned next_proto_neg_len;
2435 unsigned char *exportedkeymat;
2436 struct sockaddr_storage client;
2438 #ifndef OPENSSL_NO_DTLS1
2440 i = DTLSv1_listen(con, &client);
2445 wbio = SSL_get_wbio(con);
2447 BIO_get_fd(wbio, &fd);
2450 if(!wbio || connect(fd, (struct sockaddr *)&client,
2451 sizeof(struct sockaddr_storage))) {
2452 BIO_printf(bio_err, "ERROR - unable to connect\n");
2456 i = SSL_accept(con);
2462 i = SSL_accept(con);
2464 #ifdef CERT_CB_TEST_RETRY
2466 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2467 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2469 "LOOKUP from certificate callback during accept\n");
2470 i = SSL_accept(con);
2475 #ifndef OPENSSL_NO_SRP
2476 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2477 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2478 srp_callback_parm.login);
2479 srp_callback_parm.user =
2480 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2481 srp_callback_parm.login);
2482 if (srp_callback_parm.user)
2483 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2484 srp_callback_parm.user->info);
2486 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2487 i = SSL_accept(con);
2490 } while (i < 0 && SSL_waiting_for_async(con));
2493 if ((dtlslisten && i == 0)
2494 || (!dtlslisten && BIO_sock_should_retry(i))) {
2495 BIO_printf(bio_s_out, "DELAY\n");
2499 BIO_printf(bio_err, "ERROR\n");
2501 verify_err = SSL_get_verify_result(con);
2502 if (verify_err != X509_V_OK) {
2503 BIO_printf(bio_err, "verify error:%s\n",
2504 X509_verify_cert_error_string(verify_err));
2506 /* Always print any error messages */
2507 ERR_print_errors(bio_err);
2512 print_ssl_summary(con);
2514 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2516 peer = SSL_get_peer_certificate(con);
2518 BIO_printf(bio_s_out, "Client certificate\n");
2519 PEM_write_bio_X509(bio_s_out, peer);
2520 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2521 BIO_printf(bio_s_out, "subject=%s\n", buf);
2522 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2523 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2527 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2528 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2529 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2530 ssl_print_sigalgs(bio_s_out, con);
2531 #ifndef OPENSSL_NO_EC
2532 ssl_print_point_formats(bio_s_out, con);
2533 ssl_print_curves(bio_s_out, con, 0);
2535 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2537 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2538 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2539 if (next_proto_neg) {
2540 BIO_printf(bio_s_out, "NEXTPROTO is ");
2541 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2542 BIO_printf(bio_s_out, "\n");
2545 #ifndef OPENSSL_NO_SRTP
2547 SRTP_PROTECTION_PROFILE *srtp_profile
2548 = SSL_get_selected_srtp_profile(con);
2551 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2552 srtp_profile->name);
2555 if (SSL_cache_hit(con))
2556 BIO_printf(bio_s_out, "Reused session-id\n");
2557 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2558 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2559 if (keymatexportlabel != NULL) {
2560 BIO_printf(bio_s_out, "Keying material exporter:\n");
2561 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2562 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2563 exportedkeymat = app_malloc(keymatexportlen, "export key");
2564 if (!SSL_export_keying_material(con, exportedkeymat,
2567 strlen(keymatexportlabel),
2569 BIO_printf(bio_s_out, " Error\n");
2571 BIO_printf(bio_s_out, " Keying material: ");
2572 for (i = 0; i < keymatexportlen; i++)
2573 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2574 BIO_printf(bio_s_out, "\n");
2576 OPENSSL_free(exportedkeymat);
2582 #ifndef OPENSSL_NO_DH
2583 static DH *load_dh_param(const char *dhfile)
2588 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2590 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2597 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2603 const SSL_CIPHER *c;
2604 BIO *io, *ssl_bio, *sbio;
2606 int total_bytes = 0;
2611 /* Set width for a select call if needed */
2614 buf = app_malloc(bufsize, "server www buffer");
2615 io = BIO_new(BIO_f_buffer());
2616 ssl_bio = BIO_new(BIO_f_ssl());
2617 if ((io == NULL) || (ssl_bio == NULL))
2622 unsigned long sl = 1;
2625 BIO_printf(bio_err, "turning on non blocking io\n");
2626 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
2627 ERR_print_errors(bio_err);
2631 /* lets make the output buffer a reasonable size */
2632 if (!BIO_set_write_buffer_size(io, bufsize))
2635 if ((con = SSL_new(ctx)) == NULL)
2638 if (s_tlsextdebug) {
2639 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2640 SSL_set_tlsext_debug_arg(con, bio_s_out);
2643 if (context && !SSL_set_session_id_context(con, context,
2644 strlen((char *)context)))
2647 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2651 test = BIO_new(BIO_f_nbio_test());
2652 sbio = BIO_push(test, sbio);
2654 SSL_set_bio(con, sbio, sbio);
2655 SSL_set_accept_state(con);
2657 /* SSL_set_fd(con,s); */
2658 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2659 BIO_push(io, ssl_bio);
2660 #ifdef CHARSET_EBCDIC
2661 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2665 SSL_set_debug(con, 1);
2666 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2667 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2670 #ifndef OPENSSL_NO_SSL_TRACE
2672 SSL_set_msg_callback(con, SSL_trace);
2675 SSL_set_msg_callback(con, msg_cb);
2676 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2680 i = BIO_gets(io, buf, bufsize - 1);
2681 if (i < 0) { /* error */
2682 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2684 ERR_print_errors(bio_err);
2687 BIO_printf(bio_s_out, "read R BLOCK\n");
2688 #ifndef OPENSSL_NO_SRP
2689 if (BIO_should_io_special(io)
2690 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2691 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2692 srp_callback_parm.user =
2693 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2694 srp_callback_parm.login);
2695 if (srp_callback_parm.user)
2696 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2697 srp_callback_parm.user->info);
2699 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2703 #if defined(OPENSSL_SYS_NETWARE)
2705 #elif !defined(OPENSSL_SYS_MSDOS)
2710 } else if (i == 0) { /* end of input */
2715 /* else we have data */
2716 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2717 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2720 STACK_OF(SSL_CIPHER) *sk;
2721 static const char *space = " ";
2723 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2724 if (strncmp("GET /renegcert", buf, 14) == 0)
2726 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2728 i = SSL_renegotiate(con);
2729 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2730 /* Send the HelloRequest */
2731 i = SSL_do_handshake(con);
2733 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2734 SSL_get_error(con, i));
2735 ERR_print_errors(bio_err);
2738 /* Wait for a ClientHello to come back */
2740 openssl_fdset(s, &readfds);
2741 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2742 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2743 BIO_printf(bio_s_out, "Error waiting for client response\n");
2744 ERR_print_errors(bio_err);
2748 * We're not acutally expecting any data here and we ignore
2749 * any that is sent. This is just to force the handshake that
2750 * we're expecting to come from the client. If they haven't
2751 * sent one there's not much we can do.
2753 BIO_gets(io, buf, bufsize - 1);
2757 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2758 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2759 BIO_puts(io, "<pre>\n");
2760 /* BIO_puts(io,OpenSSL_version(OPENSSL_VERSION));*/
2762 for (i = 0; i < local_argc; i++) {
2764 for (myp = local_argv[i]; *myp; myp++)
2767 BIO_puts(io, "<");
2770 BIO_puts(io, ">");
2773 BIO_puts(io, "&");
2776 BIO_write(io, myp, 1);
2779 BIO_write(io, " ", 1);
2784 "Secure Renegotiation IS%s supported\n",
2785 SSL_get_secure_renegotiation_support(con) ?
2789 * The following is evil and should not really be done
2791 BIO_printf(io, "Ciphers supported in s_server binary\n");
2792 sk = SSL_get_ciphers(con);
2793 j = sk_SSL_CIPHER_num(sk);
2794 for (i = 0; i < j; i++) {
2795 c = sk_SSL_CIPHER_value(sk, i);
2796 BIO_printf(io, "%-11s:%-25s ",
2797 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2798 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2802 p = SSL_get_shared_ciphers(con, buf, bufsize);
2805 "---\nCiphers common between both SSL end points:\n");
2809 BIO_write(io, space, 26 - j);
2812 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2814 BIO_write(io, p, 1);
2821 ssl_print_sigalgs(io, con);
2822 #ifndef OPENSSL_NO_EC
2823 ssl_print_curves(io, con, 0);
2825 BIO_printf(io, (SSL_cache_hit(con)
2826 ? "---\nReused, " : "---\nNew, "));
2827 c = SSL_get_current_cipher(con);
2828 BIO_printf(io, "%s, Cipher is %s\n",
2829 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2830 SSL_SESSION_print(io, SSL_get_session(con));
2831 BIO_printf(io, "---\n");
2832 print_stats(io, SSL_get_SSL_CTX(con));
2833 BIO_printf(io, "---\n");
2834 peer = SSL_get_peer_certificate(con);
2836 BIO_printf(io, "Client certificate\n");
2837 X509_print(io, peer);
2838 PEM_write_bio_X509(io, peer);
2840 BIO_puts(io, "no client certificate available\n");
2841 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2843 } else if ((www == 2 || www == 3)
2844 && (strncmp("GET /", buf, 5) == 0)) {
2847 static const char *text =
2848 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2854 for (e = p; *e != '\0'; e++) {
2860 dot = (e[0] == '.') ? 2 : 0;
2863 dot = (e[0] == '.') ? 3 : 0;
2866 dot = (e[0] == '/') ? -1 : 0;
2870 dot = (e[0] == '/') ? 1 : 0;
2872 dot = (dot == 3) || (dot == -1); /* filename contains ".."
2877 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
2884 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
2890 BIO_printf(io, "'%s' is an invalid path\r\n", p);
2894 /* if a directory, do the index thang */
2895 if (app_isdir(p) > 0) {
2897 BIO_printf(io, "'%s' is a directory\r\n", p);
2901 if ((file = BIO_new_file(p, "r")) == NULL) {
2903 BIO_printf(io, "Error opening '%s'\r\n", p);
2904 ERR_print_errors(io);
2909 BIO_printf(bio_err, "FILE:%s\n", p);
2913 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2914 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2915 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2917 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2920 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2924 i = BIO_read(file, buf, bufsize);
2930 BIO_printf(bio_err, "%d\n", i);
2931 if (total_bytes > 3 * 1024) {
2933 BIO_printf(bio_err, "RENEGOTIATE\n");
2934 SSL_renegotiate(con);
2938 for (j = 0; j < i;) {
2942 if (++count == 13) {
2943 SSL_renegotiate(con);
2947 k = BIO_write(io, &(buf[j]), i - j);
2949 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con))
2952 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2966 i = (int)BIO_flush(io);
2968 if (!BIO_should_retry(io))
2974 /* make sure we re-use sessions */
2975 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2979 BIO_printf(bio_s_out, "ACCEPT\n");
2985 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
2991 BIO *io, *ssl_bio, *sbio;
2993 buf = app_malloc(bufsize, "server rev buffer");
2994 io = BIO_new(BIO_f_buffer());
2995 ssl_bio = BIO_new(BIO_f_ssl());
2996 if ((io == NULL) || (ssl_bio == NULL))
2999 /* lets make the output buffer a reasonable size */
3000 if (!BIO_set_write_buffer_size(io, bufsize))
3003 if ((con = SSL_new(ctx)) == NULL)
3006 if (s_tlsextdebug) {
3007 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3008 SSL_set_tlsext_debug_arg(con, bio_s_out);
3010 if (context && !SSL_set_session_id_context(con, context,
3011 strlen((char *)context))) {
3012 ERR_print_errors(bio_err);
3016 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3017 SSL_set_bio(con, sbio, sbio);
3018 SSL_set_accept_state(con);
3020 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3021 BIO_push(io, ssl_bio);
3022 #ifdef CHARSET_EBCDIC
3023 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3027 SSL_set_debug(con, 1);
3028 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3029 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3032 #ifndef OPENSSL_NO_SSL_TRACE
3034 SSL_set_msg_callback(con, SSL_trace);
3037 SSL_set_msg_callback(con, msg_cb);
3038 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3042 i = BIO_do_handshake(io);
3045 if (!BIO_should_retry(io)) {
3046 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3047 ERR_print_errors(bio_err);
3050 #ifndef OPENSSL_NO_SRP
3051 if (BIO_should_io_special(io)
3052 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3053 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3054 srp_callback_parm.user =
3055 SRP_VBASE_get_by_user(srp_callback_parm.vb,
3056 srp_callback_parm.login);
3057 if (srp_callback_parm.user)
3058 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3059 srp_callback_parm.user->info);
3061 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3066 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3067 print_ssl_summary(con);
3070 i = BIO_gets(io, buf, bufsize - 1);
3071 if (i < 0) { /* error */
3072 if (!BIO_should_retry(io)) {
3074 ERR_print_errors(bio_err);
3077 BIO_printf(bio_s_out, "read R BLOCK\n");
3078 #ifndef OPENSSL_NO_SRP
3079 if (BIO_should_io_special(io)
3080 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3081 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3082 srp_callback_parm.user =
3083 SRP_VBASE_get_by_user(srp_callback_parm.vb,
3084 srp_callback_parm.login);
3085 if (srp_callback_parm.user)
3086 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3087 srp_callback_parm.user->info);
3089 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3093 #if defined(OPENSSL_SYS_NETWARE)
3095 #elif !defined(OPENSSL_SYS_MSDOS)
3100 } else if (i == 0) { /* end of input */
3102 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3105 char *p = buf + i - 1;
3106 while (i && (*p == '\n' || *p == '\r')) {
3110 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3112 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3115 BUF_reverse((unsigned char *)buf, NULL, i);
3117 BIO_write(io, buf, i + 1);
3122 if (!BIO_should_retry(io))
3128 /* make sure we re-use sessions */
3129 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3138 #ifndef OPENSSL_NO_RSA
3139 static RSA *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3142 static RSA *rsa_tmp = NULL;
3144 if (!rsa_tmp && ((bn = BN_new()) == NULL))
3145 BIO_printf(bio_err, "Allocation error in generating RSA key\n");
3146 if (!rsa_tmp && bn) {
3148 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...",
3150 (void)BIO_flush(bio_err);
3152 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3153 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) {
3158 BIO_printf(bio_err, "\n");
3159 (void)BIO_flush(bio_err);
3167 #define MAX_SESSION_ID_ATTEMPTS 10
3168 static int generate_session_id(const SSL *ssl, unsigned char *id,
3169 unsigned int *id_len)
3171 unsigned int count = 0;
3173 if (RAND_bytes(id, *id_len) <= 0)
3176 * Prefix the session_id with the required prefix. NB: If our prefix
3177 * is too long, clip it - but there will be worse effects anyway, eg.
3178 * the server could only possibly create 1 session ID (ie. the
3179 * prefix!) so all future session negotiations will fail due to
3182 memcpy(id, session_id_prefix,
3183 (strlen(session_id_prefix) < *id_len) ?
3184 strlen(session_id_prefix) : *id_len);
3186 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3187 (++count < MAX_SESSION_ID_ATTEMPTS));
3188 if (count >= MAX_SESSION_ID_ATTEMPTS)
3194 * By default s_server uses an in-memory cache which caches SSL_SESSION
3195 * structures without any serialisation. This hides some bugs which only
3196 * become apparent in deployed servers. By implementing a basic external
3197 * session cache some issues can be debugged using s_server.
3200 typedef struct simple_ssl_session_st {
3205 struct simple_ssl_session_st *next;
3206 } simple_ssl_session;
3208 static simple_ssl_session *first = NULL;
3210 static int add_session(SSL *ssl, SSL_SESSION *session)
3212 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3215 SSL_SESSION_get_id(session, &sess->idlen);
3216 sess->derlen = i2d_SSL_SESSION(session, NULL);
3217 if (sess->derlen < 0) {
3218 BIO_printf(bio_err, "Error encoding session\n");
3223 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3224 sess->der = app_malloc(sess->derlen, "get session buffer");
3226 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3227 OPENSSL_free(sess->id);
3228 OPENSSL_free(sess->der);
3234 /* Assume it still works. */
3235 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3236 BIO_printf(bio_err, "Unexpected session encoding length\n");
3237 OPENSSL_free(sess->id);
3238 OPENSSL_free(sess->der);
3245 BIO_printf(bio_err, "New session added to external cache\n");
3249 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3252 simple_ssl_session *sess;
3254 for (sess = first; sess; sess = sess->next) {
3255 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3256 const unsigned char *p = sess->der;
3257 BIO_printf(bio_err, "Lookup session: cache hit\n");
3258 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3261 BIO_printf(bio_err, "Lookup session: cache miss\n");
3265 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3267 simple_ssl_session *sess, *prev = NULL;
3268 const unsigned char *id;
3270 id = SSL_SESSION_get_id(session, &idlen);
3271 for (sess = first; sess; sess = sess->next) {
3272 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3274 prev->next = sess->next;
3277 OPENSSL_free(sess->id);
3278 OPENSSL_free(sess->der);
3286 static void init_session_cache_ctx(SSL_CTX *sctx)
3288 SSL_CTX_set_session_cache_mode(sctx,
3289 SSL_SESS_CACHE_NO_INTERNAL |
3290 SSL_SESS_CACHE_SERVER);
3291 SSL_CTX_sess_set_new_cb(sctx, add_session);
3292 SSL_CTX_sess_set_get_cb(sctx, get_session);
3293 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3296 static void free_sessions(void)
3298 simple_ssl_session *sess, *tsess;
3299 for (sess = first; sess;) {
3300 OPENSSL_free(sess->id);
3301 OPENSSL_free(sess->der);
3304 OPENSSL_free(tsess);