2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* ====================================================================
11 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
12 * ECC cipher suite support in OpenSSL originally developed by
13 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
15 /* ====================================================================
16 * Copyright 2005 Nokia. All rights reserved.
18 * The portions of the attached software ("Contribution") is developed by
19 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
22 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
23 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
24 * support (see RFC 4279) to OpenSSL.
26 * No patent licenses or other rights except those expressly stated in
27 * the OpenSSL open source license shall be deemed granted or received
28 * expressly, by implication, estoppel, or otherwise.
30 * No assurances are provided by Nokia that the Contribution does not
31 * infringe the patent or other intellectual property rights of any third
32 * party or that the license provides you with all the necessary rights
33 * to make use of the Contribution.
35 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
36 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
37 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
38 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
47 /* Included before async.h to avoid some warnings */
51 #include <openssl/e_os2.h>
52 #include <openssl/async.h>
53 #include <openssl/ssl.h>
55 #ifndef OPENSSL_NO_SOCK
58 * With IPv6, it looks like Digital has mixed up the proper order of
59 * recursive header file inclusion, resulting in the compiler complaining
60 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
61 * needed to have fileno() declared correctly... So let's define u_int
63 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
65 typedef unsigned int u_int;
68 #include <openssl/lhash.h>
69 #include <openssl/bn.h>
72 #include <openssl/err.h>
73 #include <openssl/pem.h>
74 #include <openssl/x509.h>
75 #include <openssl/ssl.h>
76 #include <openssl/rand.h>
77 #include <openssl/ocsp.h>
79 # include <openssl/dh.h>
81 #ifndef OPENSSL_NO_RSA
82 # include <openssl/rsa.h>
84 #ifndef OPENSSL_NO_SRP
85 # include <openssl/srp.h>
90 #include <openssl/ebcdic.h>
93 #ifdef OPENSSL_SYS_VMS
94 # include "vms_term_sock.h"
98 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
99 static int sv_body(int s, int stype, unsigned char *context);
100 static int www_body(int s, int stype, unsigned char *context);
101 static int rev_body(int s, int stype, unsigned char *context);
102 static void close_accept_socket(void);
103 static int init_ssl_connection(SSL *s);
104 static void print_stats(BIO *bp, SSL_CTX *ctx);
105 static int generate_session_id(const SSL *ssl, unsigned char *id,
106 unsigned int *id_len);
107 static void init_session_cache_ctx(SSL_CTX *sctx);
108 static void free_sessions(void);
109 #ifndef OPENSSL_NO_DH
110 static DH *load_dh_param(const char *dhfile);
113 /* static int load_CA(SSL_CTX *ctx, char *file);*/
115 static const int bufsize = 16 * 1024;
116 static int accept_socket = -1;
118 #define TEST_CERT "server.pem"
119 #define TEST_CERT2 "server2.pem"
121 static int s_nbio = 0;
122 static int s_nbio_test = 0;
123 static int s_crlf = 0;
124 static SSL_CTX *ctx = NULL;
125 static SSL_CTX *ctx2 = NULL;
128 static BIO *bio_s_out = NULL;
129 static BIO *bio_s_msg = NULL;
130 static int s_debug = 0;
131 static int s_tlsextdebug = 0;
132 static int s_msg = 0;
133 static int s_quiet = 0;
134 static int s_ign_eof = 0;
135 static int s_brief = 0;
137 static char *keymatexportlabel = NULL;
138 static int keymatexportlen = 20;
140 static int async = 0;
142 static const char *session_id_prefix = NULL;
144 #ifndef OPENSSL_NO_DTLS
145 static int enable_timeouts = 0;
146 static long socket_mtu;
149 static int dtlslisten = 0;
151 #ifndef OPENSSL_NO_PSK
152 static char *psk_identity = "Client_identity";
153 char *psk_key = NULL; /* by default PSK is not used */
155 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
157 unsigned int max_psk_len)
163 BIO_printf(bio_s_out, "psk_server_cb\n");
165 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
169 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
170 (int)strlen(identity), identity);
172 /* here we could lookup the given identity e.g. from a database */
173 if (strcmp(identity, psk_identity) != 0) {
174 BIO_printf(bio_s_out, "PSK error: client identity not found"
175 " (got '%s' expected '%s')\n", identity, psk_identity);
179 BIO_printf(bio_s_out, "PSK client identity found\n");
181 /* convert the PSK key to binary */
182 key = OPENSSL_hexstr2buf(psk_key, &key_len);
184 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
188 if (key_len > (int)max_psk_len) {
190 "psk buffer of callback is too small (%d) for key (%ld)\n",
191 max_psk_len, key_len);
196 memcpy(psk, key, key_len);
200 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
204 BIO_printf(bio_err, "Error in PSK server callback\n");
205 (void)BIO_flush(bio_err);
206 (void)BIO_flush(bio_s_out);
211 #ifndef OPENSSL_NO_SRP
212 /* This is a context that we pass to callbacks */
213 typedef struct srpsrvparm_st {
220 * This callback pretends to require some asynchronous logic in order to
221 * obtain a verifier. When the callback is called for a new connection we
222 * return with a negative value. This will provoke the accept etc to return
223 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
224 * (which would normally occur after a worker has finished) and we set the
227 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
229 srpsrvparm *p = (srpsrvparm *) arg;
230 int ret = SSL3_AL_FATAL;
232 if (p->login == NULL && p->user == NULL) {
233 p->login = SSL_get_srp_username(s);
234 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
238 if (p->user == NULL) {
239 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
243 if (SSL_set_srp_server_param
244 (s, p->user->N, p->user->g, p->user->s, p->user->v,
245 p->user->info) < 0) {
246 *ad = SSL_AD_INTERNAL_ERROR;
250 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
251 p->login, p->user->info);
252 ret = SSL_ERROR_NONE;
255 SRP_user_pwd_free(p->user);
263 static int local_argc = 0;
264 static char **local_argv;
266 #ifdef CHARSET_EBCDIC
267 static int ebcdic_new(BIO *bi);
268 static int ebcdic_free(BIO *a);
269 static int ebcdic_read(BIO *b, char *out, int outl);
270 static int ebcdic_write(BIO *b, const char *in, int inl);
271 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
272 static int ebcdic_gets(BIO *bp, char *buf, int size);
273 static int ebcdic_puts(BIO *bp, const char *str);
275 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
276 static BIO_METHOD *methods_ebcdic = NULL;
278 /* This struct is "unwarranted chumminess with the compiler." */
284 static const BIO_METHOD *BIO_f_ebcdic_filter()
286 if (methods_ebcdic == NULL) {
287 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
288 "EBCDIC/ASCII filter");
289 if (methods_ebcdic == NULL
290 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
291 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
292 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
293 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
294 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
295 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
296 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
299 return methods_ebcdic;
302 static int ebcdic_new(BIO *bi)
304 EBCDIC_OUTBUFF *wbuf;
306 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
307 wbuf->alloced = 1024;
308 wbuf->buff[0] = '\0';
310 BIO_set_data(bi, wbuf);
315 static int ebcdic_free(BIO *a)
317 EBCDIC_OUTBUFF *wbuf;
321 wbuf = BIO_get_data(a);
323 BIO_set_data(a, NULL);
329 static int ebcdic_read(BIO *b, char *out, int outl)
332 BIO *next = BIO_next(b);
334 if (out == NULL || outl == 0)
339 ret = BIO_read(next, out, outl);
341 ascii2ebcdic(out, out, ret);
345 static int ebcdic_write(BIO *b, const char *in, int inl)
347 EBCDIC_OUTBUFF *wbuf;
348 BIO *next = BIO_next(b);
352 if ((in == NULL) || (inl <= 0))
357 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
359 if (inl > (num = wbuf->alloced)) {
360 num = num + num; /* double the size */
364 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
367 wbuf->buff[0] = '\0';
369 BIO_set_data(b, wbuf);
372 ebcdic2ascii(wbuf->buff, in, inl);
374 ret = BIO_write(next, wbuf->buff, inl);
379 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
382 BIO *next = BIO_next(b);
391 ret = BIO_ctrl(next, cmd, num, ptr);
397 static int ebcdic_gets(BIO *bp, char *buf, int size)
400 BIO *next = BIO_next(bp);
404 /* return(BIO_gets(bp->next_bio,buf,size));*/
405 for (i = 0; i < size - 1; ++i) {
406 ret = ebcdic_read(bp, &buf[i], 1);
409 else if (buf[i] == '\n') {
416 return (ret < 0 && i == 0) ? ret : i;
419 static int ebcdic_puts(BIO *bp, const char *str)
421 if (BIO_next(bp) == NULL)
423 return ebcdic_write(bp, str, strlen(str));
427 /* This is a context that we pass to callbacks */
428 typedef struct tlsextctx_st {
434 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
436 tlsextctx *p = (tlsextctx *) arg;
437 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
438 if (servername && p->biodebug)
439 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
443 return SSL_TLSEXT_ERR_NOACK;
446 if (strcasecmp(servername, p->servername))
447 return p->extension_error;
449 BIO_printf(p->biodebug, "Switching server context.\n");
450 SSL_set_SSL_CTX(s, ctx2);
453 return SSL_TLSEXT_ERR_OK;
456 /* Structure passed to cert status callback */
458 typedef struct tlsextstatusctx_st {
459 /* Default responder to use */
460 char *host, *path, *port;
466 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 };
468 #ifndef OPENSSL_NO_OCSP
470 * Certificate Status callback. This is called when a client includes a
471 * certificate status request extension. This is a simplified version. It
472 * examines certificates each time and makes one OCSP responder query for
473 * each request. A full version would store details such as the OCSP
474 * certificate IDs and minimise the number of OCSP responses by caching them
475 * until they were considered "expired".
478 static int cert_status_cb(SSL *s, void *arg)
480 tlsextstatusctx *srctx = arg;
481 char *host = NULL, *port = NULL, *path = NULL;
483 unsigned char *rspder = NULL;
485 STACK_OF(OPENSSL_STRING) *aia = NULL;
487 X509_STORE_CTX *inctx = NULL;
489 OCSP_REQUEST *req = NULL;
490 OCSP_RESPONSE *resp = NULL;
491 OCSP_CERTID *id = NULL;
492 STACK_OF(X509_EXTENSION) *exts;
493 int ret = SSL_TLSEXT_ERR_NOACK;
497 BIO_puts(bio_err, "cert_status: callback called\n");
498 /* Build up OCSP query from server certificate */
499 x = SSL_get_certificate(s);
500 aia = X509_get1_ocsp(x);
502 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
503 &host, &port, &path, &use_ssl)) {
504 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
508 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
509 sk_OPENSSL_STRING_value(aia, 0));
513 "cert_status: no AIA and no default responder URL\n");
519 use_ssl = srctx->use_ssl;
522 inctx = X509_STORE_CTX_new();
525 if (!X509_STORE_CTX_init(inctx,
526 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
529 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
530 X509_get_issuer_name(x));
532 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
535 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
536 X509_OBJECT_free(obj);
539 req = OCSP_REQUEST_new();
542 if (!OCSP_request_add0_id(req, id))
545 /* Add any extensions to the request */
546 SSL_get_tlsext_status_exts(s, &exts);
547 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
548 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
549 if (!OCSP_REQUEST_add_ext(req, ext, -1))
552 resp = process_responder(req, host, path, port, use_ssl, NULL,
555 BIO_puts(bio_err, "cert_status: error querying responder\n");
558 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
561 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
562 if (srctx->verbose) {
563 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
564 OCSP_RESPONSE_print(bio_err, resp, 2);
566 ret = SSL_TLSEXT_ERR_OK;
570 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
572 if (ret != SSL_TLSEXT_ERR_OK)
573 ERR_print_errors(bio_err);
578 X509_email_free(aia);
580 OCSP_CERTID_free(id);
581 OCSP_REQUEST_free(req);
582 OCSP_RESPONSE_free(resp);
583 X509_STORE_CTX_free(inctx);
588 #ifndef OPENSSL_NO_NEXTPROTONEG
589 /* This is the context that we pass to next_proto_cb */
590 typedef struct tlsextnextprotoctx_st {
593 } tlsextnextprotoctx;
595 static int next_proto_cb(SSL *s, const unsigned char **data,
596 unsigned int *len, void *arg)
598 tlsextnextprotoctx *next_proto = arg;
600 *data = next_proto->data;
601 *len = next_proto->len;
603 return SSL_TLSEXT_ERR_OK;
605 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
607 /* This the context that we pass to alpn_cb */
608 typedef struct tlsextalpnctx_st {
613 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
614 const unsigned char *in, unsigned int inlen, void *arg)
616 tlsextalpnctx *alpn_ctx = arg;
619 /* We can assume that |in| is syntactically valid. */
621 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
622 for (i = 0; i < inlen;) {
624 BIO_write(bio_s_out, ", ", 2);
625 BIO_write(bio_s_out, &in[i + 1], in[i]);
628 BIO_write(bio_s_out, "\n", 1);
631 if (SSL_select_next_proto
632 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
633 inlen) != OPENSSL_NPN_NEGOTIATED) {
634 return SSL_TLSEXT_ERR_NOACK;
638 BIO_printf(bio_s_out, "ALPN protocols selected: ");
639 BIO_write(bio_s_out, *out, *outlen);
640 BIO_write(bio_s_out, "\n", 1);
643 return SSL_TLSEXT_ERR_OK;
646 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
648 /* disable resumption for sessions with forward secure ciphers */
649 return is_forward_secure;
652 #ifndef OPENSSL_NO_SRP
653 static srpsrvparm srp_callback_parm;
655 #ifndef OPENSSL_NO_SRTP
656 static char *srtp_profiles = NULL;
659 typedef enum OPTION_choice {
660 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
661 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
662 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
663 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
664 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
665 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
666 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
667 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
668 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
669 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
670 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
671 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE,
672 OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF,
673 OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
674 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
675 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
676 OPT_SSL_CONFIG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
677 OPT_SSL3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
678 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN,
679 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
680 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
681 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
687 OPTIONS s_server_options[] = {
688 {"help", OPT_HELP, '-', "Display this summary"},
689 {"port", OPT_PORT, 'p',
690 "TCP/IP port to listen on for connections (default is " PORT ")"},
691 {"accept", OPT_ACCEPT, 's',
692 "TCP/IP optional host and port to accept on (default is " PORT ")"},
694 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
696 {"4", OPT_4, '-', "Use IPv4 only"},
697 {"6", OPT_6, '-', "Use IPv6 only"},
699 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
701 {"context", OPT_CONTEXT, 's', "Set session ID context"},
702 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
703 {"Verify", OPT_UPPER_V_VERIFY, 'n',
704 "Turn on peer certificate verification, must have a cert"},
705 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
706 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
707 {"serverinfo", OPT_SERVERINFO, 's',
708 "PEM serverinfo file for certificate"},
709 {"certform", OPT_CERTFORM, 'F',
710 "Certificate format (PEM or DER) PEM default"},
711 {"key", OPT_KEY, '<',
712 "Private Key if not in -cert; default is " TEST_CERT},
713 {"keyform", OPT_KEYFORM, 'f',
714 "Key format (PEM, DER or ENGINE) PEM default"},
715 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
716 {"dcert", OPT_DCERT, '<',
717 "Second certificate file to use (usually for DSA)"},
718 {"dcertform", OPT_DCERTFORM, 'F',
719 "Second certificate format (PEM or DER) PEM default"},
720 {"dkey", OPT_DKEY, '<',
721 "Second private key file to use (usually for DSA)"},
722 {"dkeyform", OPT_DKEYFORM, 'F',
723 "Second key format (PEM, DER or ENGINE) PEM default"},
724 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
725 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
726 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
727 {"debug", OPT_DEBUG, '-', "Print more output"},
728 {"msg", OPT_MSG, '-', "Show protocol messages"},
729 {"msgfile", OPT_MSGFILE, '>',
730 "File to send output of -msg or -trace, instead of stdout"},
731 {"state", OPT_STATE, '-', "Print the SSL states"},
732 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
733 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
734 {"no-CAfile", OPT_NOCAFILE, '-',
735 "Do not load the default certificates file"},
736 {"no-CApath", OPT_NOCAPATH, '-',
737 "Do not load certificates from the default certificates directory"},
738 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
739 {"quiet", OPT_QUIET, '-', "No server output"},
740 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
741 "Disable caching and tickets if ephemeral (EC)DH is used"},
742 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
743 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
744 {"servername", OPT_SERVERNAME, 's',
745 "Servername for HostName TLS extension"},
746 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
747 "mismatch send fatal alert (default warning alert)"},
748 {"cert2", OPT_CERT2, '<',
749 "Certificate file to use for servername; default is" TEST_CERT2},
750 {"key2", OPT_KEY2, '<',
751 "-Private Key file to use for servername if not in -cert2"},
752 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
753 "Hex dump of all TLS extensions received"},
754 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
755 {"id_prefix", OPT_ID_PREFIX, 's',
756 "Generate SSL/TLS session IDs prefixed by arg"},
757 {"rand", OPT_RAND, 's',
758 "Load the file(s) into the random number generator"},
759 {"keymatexport", OPT_KEYMATEXPORT, 's',
760 "Export keying material using label"},
761 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
762 "Export len bytes of keying material (default 20)"},
763 {"CRL", OPT_CRL, '<', "CRL file to use"},
764 {"crl_download", OPT_CRL_DOWNLOAD, '-',
765 "Download CRL from distribution points"},
766 {"cert_chain", OPT_CERT_CHAIN, '<',
767 "certificate chain file in PEM format"},
768 {"dcert_chain", OPT_DCERT_CHAIN, '<',
769 "second certificate chain file in PEM format"},
770 {"chainCApath", OPT_CHAINCAPATH, '/',
771 "use dir as certificate store path to build CA certificate chain"},
772 {"verifyCApath", OPT_VERIFYCAPATH, '/',
773 "use dir as certificate store path to verify CA certificate"},
774 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
775 {"ext_cache", OPT_EXT_CACHE, '-',
776 "Disable internal cache, setup and use external cache"},
777 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
778 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
779 "Close connection on verification error"},
780 {"verify_quiet", OPT_VERIFY_QUIET, '-',
781 "No verify output except verify errors"},
782 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
783 {"chainCAfile", OPT_CHAINCAFILE, '<',
784 "CA file for certificate chain (PEM format)"},
785 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
786 "CA file for certificate verification (PEM format)"},
787 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
788 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
789 #ifndef OPENSSL_NO_OCSP
790 {"status", OPT_STATUS, '-', "Request certificate status from server"},
791 {"status_verbose", OPT_STATUS_VERBOSE, '-',
792 "Print more output in certificate status callback"},
793 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
794 "Status request responder timeout"},
795 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
797 #ifndef OPENSSL_NO_SSL_TRACE
798 {"trace", OPT_TRACE, '-', "trace protocol messages"},
800 {"security_debug", OPT_SECURITY_DEBUG, '-',
801 "Print output from SSL/TLS security framework"},
802 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
803 "Print more output from SSL/TLS security framework"},
804 {"brief", OPT_BRIEF, '-',
805 "Restrict output to brief summary of connection parameters"},
806 {"rev", OPT_REV, '-',
807 "act as a simple test server which just sends back with the received text reversed"},
808 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
809 {"ssl_config", OPT_SSL_CONFIG, 's',
810 "Configure SSL_CTX using the configuration 'val'"},
811 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
812 "Size used to split data for encrypt pipelines"},
813 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
814 "Maximum number of encrypt/decrypt pipelines to be used"},
815 {"read_buf", OPT_READ_BUF, 'n',
816 "Default read buffer size to be used for connections"},
820 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
821 #ifndef OPENSSL_NO_PSK
822 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
823 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
825 #ifndef OPENSSL_NO_SRP
826 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
827 {"srpuserseed", OPT_SRPUSERSEED, 's',
828 "A seed string for a default user salt"},
830 #ifndef OPENSSL_NO_SSL3
831 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
833 #ifndef OPENSSL_NO_TLS1
834 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
836 #ifndef OPENSSL_NO_TLS1_1
837 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
839 #ifndef OPENSSL_NO_TLS1_2
840 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
842 #ifndef OPENSSL_NO_DTLS
843 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
844 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
845 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
846 {"listen", OPT_LISTEN, '-',
847 "Listen for a DTLS ClientHello with a cookie and then connect"},
849 #ifndef OPENSSL_NO_DTLS1
850 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
852 #ifndef OPENSSL_NO_DTLS1_2
853 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
855 #ifndef OPENSSL_NO_DH
856 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
858 #ifndef OPENSSL_NO_NEXTPROTONEG
859 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
860 "Set the advertised protocols for the NPN extension (comma-separated list)"},
862 #ifndef OPENSSL_NO_SRTP
863 {"use_srtp", OPT_SRTP_PROFILES, 's',
864 "Offer SRTP key management with a colon-separated profile list"},
866 {"alpn", OPT_ALPN, 's',
867 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
868 #ifndef OPENSSL_NO_ENGINE
869 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
871 {NULL, OPT_EOF, 0, NULL}
874 #define IS_PROT_FLAG(o) \
875 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
876 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
878 int s_server_main(int argc, char *argv[])
880 ENGINE *engine = NULL;
881 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
882 SSL_CONF_CTX *cctx = NULL;
883 const SSL_METHOD *meth = TLS_server_method();
884 SSL_EXCERT *exc = NULL;
885 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
886 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
887 STACK_OF(X509_CRL) *crls = NULL;
888 X509 *s_cert = NULL, *s_dcert = NULL;
889 X509_VERIFY_PARAM *vpm = NULL;
890 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
891 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
892 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
893 char *crl_file = NULL, *prog;
895 int unlink_unix_path = 0;
897 do_server_cb server_cb;
898 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
899 #ifndef OPENSSL_NO_DH
903 int nocert = 0, ret = 1;
904 int noCApath = 0, noCAfile = 0;
905 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
906 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
907 int rev = 0, naccept = -1, sdebug = 0;
908 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
909 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
911 char *port = BUF_strdup(PORT);
912 unsigned char *context = NULL;
914 EVP_PKEY *s_key2 = NULL;
915 X509 *s_cert2 = NULL;
916 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
917 const char *ssl_config = NULL;
918 int read_buf_len = 0;
919 #ifndef OPENSSL_NO_NEXTPROTONEG
920 const char *next_proto_neg_in = NULL;
921 tlsextnextprotoctx next_proto = { NULL, 0 };
923 const char *alpn_in = NULL;
924 tlsextalpnctx alpn_ctx = { NULL, 0 };
925 #ifndef OPENSSL_NO_PSK
926 /* by default do not send a PSK identity hint */
927 static char *psk_identity_hint = NULL;
930 #ifndef OPENSSL_NO_SRP
931 char *srpuserseed = NULL;
932 char *srp_verifier_file = NULL;
934 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
935 int s_server_verify = SSL_VERIFY_NONE;
936 int s_server_session_id_context = 1; /* anything will do */
937 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
938 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
939 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
940 int s_tlsextstatus = 0, no_resume_ephemeral = 0;
941 unsigned int split_send_fragment = 0, max_pipelines = 0;
942 const char *s_serverinfo_file = NULL;
944 /* Init of few remaining global variables */
949 s_nbio = s_nbio_test = 0;
958 cctx = SSL_CONF_CTX_new();
959 vpm = X509_VERIFY_PARAM_new();
960 if (cctx == NULL || vpm == NULL)
962 SSL_CONF_CTX_set_flags(cctx,
963 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
965 prog = opt_init(argc, argv, s_server_options);
966 while ((o = opt_next()) != OPT_EOF) {
967 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
968 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
971 if (IS_NO_PROT_FLAG(o))
973 if (prot_opt == 1 && no_prot_opt) {
975 "Cannot supply both a protocol flag and '-no_<prot>'\n");
982 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
985 opt_help(s_server_options);
991 if (socket_family == AF_UNIX) {
992 OPENSSL_free(host); host = NULL;
993 OPENSSL_free(port); port = NULL;
996 socket_family = AF_INET;
1002 if (socket_family == AF_UNIX) {
1003 OPENSSL_free(host); host = NULL;
1004 OPENSSL_free(port); port = NULL;
1007 socket_family = AF_INET6;
1010 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1016 if (socket_family == AF_UNIX) {
1017 socket_family = AF_UNSPEC;
1020 OPENSSL_free(port); port = NULL;
1021 OPENSSL_free(host); host = NULL;
1022 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1024 "%s: -port argument malformed or ambiguous\n",
1031 if (socket_family == AF_UNIX) {
1032 socket_family = AF_UNSPEC;
1035 OPENSSL_free(port); port = NULL;
1036 OPENSSL_free(host); host = NULL;
1037 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1039 "%s: -accept argument malformed or ambiguous\n",
1046 socket_family = AF_UNIX;
1047 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1048 OPENSSL_free(port); port = NULL;
1051 unlink_unix_path = 1;
1055 naccept = atol(opt_arg());
1058 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1059 verify_args.depth = atoi(opt_arg());
1061 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1063 case OPT_UPPER_V_VERIFY:
1065 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1066 SSL_VERIFY_CLIENT_ONCE;
1067 verify_args.depth = atoi(opt_arg());
1070 "verify depth is %d, must return a certificate\n",
1074 context = (unsigned char *)opt_arg();
1077 s_cert_file = opt_arg();
1080 crl_file = opt_arg();
1082 case OPT_CRL_DOWNLOAD:
1085 case OPT_SERVERINFO:
1086 s_serverinfo_file = opt_arg();
1089 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1093 s_key_file = opt_arg();
1096 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1100 passarg = opt_arg();
1102 case OPT_CERT_CHAIN:
1103 s_chain_file = opt_arg();
1106 #ifndef OPENSSL_NO_DH
1111 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1115 s_dcert_file = opt_arg();
1118 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1122 dpassarg = opt_arg();
1125 s_dkey_file = opt_arg();
1127 case OPT_DCERT_CHAIN:
1128 s_dchain_file = opt_arg();
1139 case OPT_CHAINCAPATH:
1140 chCApath = opt_arg();
1142 case OPT_VERIFYCAPATH:
1143 vfyCApath = opt_arg();
1152 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1156 if (ssl_args == NULL)
1157 ssl_args = sk_OPENSSL_STRING_new_null();
1158 if (ssl_args == NULL
1159 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1160 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1161 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1166 if (!opt_verify(o, vpm))
1171 if (!args_excert(o, &exc))
1174 case OPT_VERIFY_RET_ERROR:
1175 verify_args.return_error = 1;
1177 case OPT_VERIFY_QUIET:
1178 verify_args.quiet = 1;
1180 case OPT_BUILD_CHAIN:
1189 case OPT_CHAINCAFILE:
1190 chCAfile = opt_arg();
1192 case OPT_VERIFYCAFILE:
1193 vfyCAfile = opt_arg();
1199 s_nbio = s_nbio_test = 1;
1204 case OPT_NO_IGN_EOF:
1210 case OPT_TLSEXTDEBUG:
1216 case OPT_STATUS_VERBOSE:
1217 s_tlsextstatus = tlscstatp.verbose = 1;
1219 case OPT_STATUS_TIMEOUT:
1221 tlscstatp.timeout = atoi(opt_arg());
1223 case OPT_STATUS_URL:
1224 #ifndef OPENSSL_NO_OCSP
1226 if (!OCSP_parse_url(opt_arg(),
1229 &tlscstatp.path, &tlscstatp.use_ssl)) {
1230 BIO_printf(bio_err, "Error parsing URL\n");
1239 bio_s_msg = BIO_new_file(opt_arg(), "w");
1242 #ifndef OPENSSL_NO_SSL_TRACE
1246 case OPT_SECURITY_DEBUG:
1249 case OPT_SECURITY_DEBUG_VERBOSE:
1262 s_quiet = s_brief = verify_args.quiet = 1;
1265 #ifndef OPENSSL_NO_DH
1269 case OPT_NO_RESUME_EPHEMERAL:
1270 no_resume_ephemeral = 1;
1273 #ifndef OPENSSL_NO_PSK
1274 psk_identity_hint = opt_arg();
1278 #ifndef OPENSSL_NO_PSK
1279 for (p = psk_key = opt_arg(); *p; p++) {
1280 if (isxdigit(_UC(*p)))
1282 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1288 #ifndef OPENSSL_NO_SRP
1289 srp_verifier_file = opt_arg();
1290 if (min_version < TLS1_VERSION)
1291 min_version = TLS1_VERSION;
1294 case OPT_SRPUSERSEED:
1295 #ifndef OPENSSL_NO_SRP
1296 srpuserseed = opt_arg();
1297 if (min_version < TLS1_VERSION)
1298 min_version = TLS1_VERSION;
1313 case OPT_SSL_CONFIG:
1314 ssl_config = opt_arg();
1317 min_version = SSL3_VERSION;
1318 max_version = SSL3_VERSION;
1321 min_version = TLS1_2_VERSION;
1322 max_version = TLS1_2_VERSION;
1325 min_version = TLS1_1_VERSION;
1326 max_version = TLS1_1_VERSION;
1329 min_version = TLS1_VERSION;
1330 max_version = TLS1_VERSION;
1333 #ifndef OPENSSL_NO_DTLS
1334 meth = DTLS_server_method();
1335 socket_type = SOCK_DGRAM;
1339 #ifndef OPENSSL_NO_DTLS
1340 meth = DTLS_server_method();
1341 min_version = DTLS1_VERSION;
1342 max_version = DTLS1_VERSION;
1343 socket_type = SOCK_DGRAM;
1347 #ifndef OPENSSL_NO_DTLS
1348 meth = DTLS_server_method();
1349 min_version = DTLS1_2_VERSION;
1350 max_version = DTLS1_2_VERSION;
1351 socket_type = SOCK_DGRAM;
1355 #ifndef OPENSSL_NO_DTLS
1356 enable_timeouts = 1;
1360 #ifndef OPENSSL_NO_DTLS
1361 socket_mtu = atol(opt_arg());
1365 #ifndef OPENSSL_NO_DTLS
1370 session_id_prefix = opt_arg();
1373 engine = setup_engine(opt_arg(), 1);
1378 case OPT_SERVERNAME:
1379 tlsextcbp.servername = opt_arg();
1381 case OPT_SERVERNAME_FATAL:
1382 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1385 s_cert_file2 = opt_arg();
1388 s_key_file2 = opt_arg();
1390 case OPT_NEXTPROTONEG:
1391 # ifndef OPENSSL_NO_NEXTPROTONEG
1392 next_proto_neg_in = opt_arg();
1396 alpn_in = opt_arg();
1398 case OPT_SRTP_PROFILES:
1399 #ifndef OPENSSL_NO_SRTP
1400 srtp_profiles = opt_arg();
1403 case OPT_KEYMATEXPORT:
1404 keymatexportlabel = opt_arg();
1406 case OPT_KEYMATEXPORTLEN:
1407 keymatexportlen = atoi(opt_arg());
1412 case OPT_SPLIT_SEND_FRAG:
1413 split_send_fragment = atoi(opt_arg());
1414 if (split_send_fragment == 0) {
1416 * Not allowed - set to a deliberately bad value so we get an
1417 * error message below
1419 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1422 case OPT_MAX_PIPELINES:
1423 max_pipelines = atoi(opt_arg());
1426 read_buf_len = atoi(opt_arg());
1431 argc = opt_num_rest();
1434 #ifndef OPENSSL_NO_DTLS
1435 if (www && socket_type == SOCK_DGRAM) {
1436 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1440 if (dtlslisten && socket_type != SOCK_DGRAM) {
1441 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1447 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1449 "Can't use unix sockets and datagrams together\n");
1454 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1455 BIO_printf(bio_err, "Bad split send fragment size\n");
1459 if (max_pipelines > SSL_MAX_PIPELINES) {
1460 BIO_printf(bio_err, "Bad max pipelines value\n");
1464 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1465 BIO_printf(bio_err, "Error getting password\n");
1469 if (s_key_file == NULL)
1470 s_key_file = s_cert_file;
1472 if (s_key_file2 == NULL)
1473 s_key_file2 = s_cert_file2;
1475 if (!load_excert(&exc))
1479 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1480 "server certificate private key file");
1482 ERR_print_errors(bio_err);
1486 s_cert = load_cert(s_cert_file, s_cert_format,
1487 "server certificate file");
1490 ERR_print_errors(bio_err);
1494 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1495 "server certificate chain"))
1499 if (tlsextcbp.servername) {
1500 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1501 "second server certificate private key file");
1503 ERR_print_errors(bio_err);
1507 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1508 "second server certificate file");
1511 ERR_print_errors(bio_err);
1516 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1517 if (next_proto_neg_in) {
1519 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1520 if (next_proto.data == NULL)
1522 next_proto.len = len;
1524 next_proto.data = NULL;
1527 alpn_ctx.data = NULL;
1530 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1531 if (alpn_ctx.data == NULL)
1538 crl = load_crl(crl_file, crl_format);
1540 BIO_puts(bio_err, "Error loading CRL\n");
1541 ERR_print_errors(bio_err);
1544 crls = sk_X509_CRL_new_null();
1545 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1546 BIO_puts(bio_err, "Error adding CRL\n");
1547 ERR_print_errors(bio_err);
1555 if (s_dkey_file == NULL)
1556 s_dkey_file = s_dcert_file;
1558 s_dkey = load_key(s_dkey_file, s_dkey_format,
1559 0, dpass, engine, "second certificate private key file");
1561 ERR_print_errors(bio_err);
1565 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1566 "second server certificate file");
1569 ERR_print_errors(bio_err);
1572 if (s_dchain_file) {
1573 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1574 "second server certificate chain"))
1580 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1581 && !RAND_status()) {
1583 "warning, not much extra random data, consider using the -rand option\n");
1586 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1587 app_RAND_load_files(inrand));
1589 if (bio_s_out == NULL) {
1590 if (s_quiet && !s_debug) {
1591 bio_s_out = BIO_new(BIO_s_null());
1592 if (s_msg && !bio_s_msg)
1593 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1595 if (bio_s_out == NULL)
1596 bio_s_out = dup_bio_out(FORMAT_TEXT);
1599 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1605 s_dcert_file = NULL;
1607 s_cert_file2 = NULL;
1611 ctx = SSL_CTX_new(meth);
1613 ERR_print_errors(bio_err);
1617 ssl_ctx_security_debug(ctx, sdebug);
1619 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1620 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1622 ERR_print_errors(bio_err);
1626 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1628 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1631 if (session_id_prefix) {
1632 if (strlen(session_id_prefix) >= 32)
1634 "warning: id_prefix is too long, only one new session will be possible\n");
1635 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1636 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1637 ERR_print_errors(bio_err);
1640 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1642 SSL_CTX_set_quiet_shutdown(ctx, 1);
1644 ssl_ctx_set_excert(ctx, exc);
1647 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1649 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1651 init_session_cache_ctx(ctx);
1653 SSL_CTX_sess_set_cache_size(ctx, 128);
1656 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1658 if (split_send_fragment > 0) {
1659 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1661 if (max_pipelines > 0) {
1662 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1665 if (read_buf_len > 0) {
1666 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1668 #ifndef OPENSSL_NO_SRTP
1669 if (srtp_profiles != NULL) {
1670 /* Returns 0 on success! */
1671 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1672 BIO_printf(bio_err, "Error setting SRTP profile\n");
1673 ERR_print_errors(bio_err);
1679 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1680 ERR_print_errors(bio_err);
1683 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1684 BIO_printf(bio_err, "Error setting verify params\n");
1685 ERR_print_errors(bio_err);
1689 ssl_ctx_add_crls(ctx, crls, 0);
1690 if (!config_ctx(cctx, ssl_args, ctx))
1693 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1694 crls, crl_download)) {
1695 BIO_printf(bio_err, "Error loading store locations\n");
1696 ERR_print_errors(bio_err);
1701 ctx2 = SSL_CTX_new(meth);
1703 ERR_print_errors(bio_err);
1709 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1712 ssl_ctx_security_debug(ctx, sdebug);
1714 if (session_id_prefix) {
1715 if (strlen(session_id_prefix) >= 32)
1717 "warning: id_prefix is too long, only one new session will be possible\n");
1718 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1719 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1720 ERR_print_errors(bio_err);
1723 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1725 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1727 ssl_ctx_set_excert(ctx2, exc);
1730 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1733 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1735 init_session_cache_ctx(ctx2);
1737 SSL_CTX_sess_set_cache_size(ctx2, 128);
1740 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1742 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1744 ERR_print_errors(bio_err);
1747 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1748 BIO_printf(bio_err, "Error setting verify params\n");
1749 ERR_print_errors(bio_err);
1753 ssl_ctx_add_crls(ctx2, crls, 0);
1754 if (!config_ctx(cctx, ssl_args, ctx2))
1757 #ifndef OPENSSL_NO_NEXTPROTONEG
1758 if (next_proto.data)
1759 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1763 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1765 #ifndef OPENSSL_NO_DH
1770 dh = load_dh_param(dhfile);
1771 else if (s_cert_file)
1772 dh = load_dh_param(s_cert_file);
1775 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1777 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1779 (void)BIO_flush(bio_s_out);
1782 SSL_CTX_set_dh_auto(ctx, 1);
1783 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1784 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1785 ERR_print_errors(bio_err);
1792 DH *dh2 = load_dh_param(s_cert_file2);
1794 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1795 (void)BIO_flush(bio_s_out);
1802 SSL_CTX_set_dh_auto(ctx2, 1);
1803 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1804 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1805 ERR_print_errors(bio_err);
1814 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1817 if (s_serverinfo_file != NULL
1818 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1819 ERR_print_errors(bio_err);
1823 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1826 if (s_dcert != NULL) {
1827 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1831 if (no_resume_ephemeral) {
1832 SSL_CTX_set_not_resumable_session_callback(ctx,
1833 not_resumable_sess_cb);
1836 SSL_CTX_set_not_resumable_session_callback(ctx2,
1837 not_resumable_sess_cb);
1839 #ifndef OPENSSL_NO_PSK
1840 if (psk_key != NULL) {
1842 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1843 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1846 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1847 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1848 ERR_print_errors(bio_err);
1853 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1854 if (!SSL_CTX_set_session_id_context(ctx,
1855 (void *)&s_server_session_id_context,
1856 sizeof s_server_session_id_context)) {
1857 BIO_printf(bio_err, "error setting session id context\n");
1858 ERR_print_errors(bio_err);
1862 /* Set DTLS cookie generation and verification callbacks */
1863 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1864 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1867 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1868 if (!SSL_CTX_set_session_id_context(ctx2,
1869 (void *)&s_server_session_id_context,
1870 sizeof s_server_session_id_context)) {
1871 BIO_printf(bio_err, "error setting session id context\n");
1872 ERR_print_errors(bio_err);
1875 tlsextcbp.biodebug = bio_s_out;
1876 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1877 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1878 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1879 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1882 #ifndef OPENSSL_NO_SRP
1883 if (srp_verifier_file != NULL) {
1884 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1885 srp_callback_parm.user = NULL;
1886 srp_callback_parm.login = NULL;
1888 SRP_VBASE_init(srp_callback_parm.vb,
1889 srp_verifier_file)) != SRP_NO_ERROR) {
1891 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1892 srp_verifier_file, ret);
1895 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
1896 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1897 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1900 if (CAfile != NULL) {
1901 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1904 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1906 #ifndef OPENSSL_NO_OCSP
1907 if (s_tlsextstatus) {
1908 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1909 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1911 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
1912 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
1917 BIO_printf(bio_s_out, "ACCEPT\n");
1918 (void)BIO_flush(bio_s_out);
1920 server_cb = rev_body;
1922 server_cb = www_body;
1924 server_cb = sv_body;
1926 if (socket_family == AF_UNIX
1927 && unlink_unix_path)
1930 do_server(&accept_socket, host, port, socket_family, socket_type,
1931 server_cb, context, naccept);
1932 print_stats(bio_s_out, ctx);
1937 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1939 EVP_PKEY_free(s_key);
1940 EVP_PKEY_free(s_dkey);
1941 sk_X509_pop_free(s_chain, X509_free);
1942 sk_X509_pop_free(s_dchain, X509_free);
1944 OPENSSL_free(dpass);
1947 X509_VERIFY_PARAM_free(vpm);
1949 OPENSSL_free(tlscstatp.host);
1950 OPENSSL_free(tlscstatp.port);
1951 OPENSSL_free(tlscstatp.path);
1954 EVP_PKEY_free(s_key2);
1955 #ifndef OPENSSL_NO_NEXTPROTONEG
1956 OPENSSL_free(next_proto.data);
1958 OPENSSL_free(alpn_ctx.data);
1959 ssl_excert_free(exc);
1960 sk_OPENSSL_STRING_free(ssl_args);
1961 SSL_CONF_CTX_free(cctx);
1962 BIO_free(bio_s_out);
1964 BIO_free(bio_s_msg);
1966 #ifdef CHARSET_EBCDIC
1967 BIO_meth_free(methods_ebcdic);
1972 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1974 BIO_printf(bio, "%4ld items in the session cache\n",
1975 SSL_CTX_sess_number(ssl_ctx));
1976 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1977 SSL_CTX_sess_connect(ssl_ctx));
1978 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1979 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1980 BIO_printf(bio, "%4ld client connects that finished\n",
1981 SSL_CTX_sess_connect_good(ssl_ctx));
1982 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1983 SSL_CTX_sess_accept(ssl_ctx));
1984 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1985 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1986 BIO_printf(bio, "%4ld server accepts that finished\n",
1987 SSL_CTX_sess_accept_good(ssl_ctx));
1988 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1989 BIO_printf(bio, "%4ld session cache misses\n",
1990 SSL_CTX_sess_misses(ssl_ctx));
1991 BIO_printf(bio, "%4ld session cache timeouts\n",
1992 SSL_CTX_sess_timeouts(ssl_ctx));
1993 BIO_printf(bio, "%4ld callback cache hits\n",
1994 SSL_CTX_sess_cb_hits(ssl_ctx));
1995 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1996 SSL_CTX_sess_cache_full(ssl_ctx),
1997 SSL_CTX_sess_get_cache_size(ssl_ctx));
2000 static int sv_body(int s, int stype, unsigned char *context)
2009 struct timeval timeout;
2010 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2013 struct timeval *timeoutp;
2015 #if defined(OPENSSL_SYS_VMS)
2017 TerminalSocket (TERM_SOCK_CREATE, &stdin_sock);
2020 buf = app_malloc(bufsize, "server buffer");
2022 if (!BIO_socket_nbio(s, 1))
2023 ERR_print_errors(bio_err);
2025 BIO_printf(bio_err, "Turned on non blocking io\n");
2031 if (s_tlsextdebug) {
2032 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2033 SSL_set_tlsext_debug_arg(con, bio_s_out);
2037 && !SSL_set_session_id_context(con,
2038 context, strlen((char *)context))) {
2039 BIO_printf(bio_err, "Error setting session id context\n");
2044 if (!SSL_clear(con)) {
2045 BIO_printf(bio_err, "Error clearing SSL connection\n");
2049 #ifndef OPENSSL_NO_DTLS
2050 if (stype == SOCK_DGRAM) {
2052 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2054 if (enable_timeouts) {
2056 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2057 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2060 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2061 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2065 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2066 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2067 DTLS_get_link_min_mtu(con));
2072 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2073 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2074 BIO_printf(bio_err, "Failed to set MTU\n");
2080 /* want to do MTU discovery */
2081 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2083 /* turn on cookie exchange */
2084 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2087 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2092 test = BIO_new(BIO_f_nbio_test());
2093 sbio = BIO_push(test, sbio);
2096 SSL_set_bio(con, sbio, sbio);
2097 SSL_set_accept_state(con);
2098 /* SSL_set_fd(con,s); */
2101 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2102 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2105 #ifndef OPENSSL_NO_SSL_TRACE
2107 SSL_set_msg_callback(con, SSL_trace);
2110 SSL_set_msg_callback(con, msg_cb);
2111 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2114 if (s_tlsextdebug) {
2115 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2116 SSL_set_tlsext_debug_arg(con, bio_s_out);
2120 #if defined(OPENSSL_SYS_VMS)
2122 width = stdin_sock + 1;
2129 int read_from_terminal;
2130 int read_from_sslcon;
2132 read_from_terminal = 0;
2133 read_from_sslcon = SSL_has_pending(con)
2134 || (async && SSL_waiting_for_async(con));
2136 if (!read_from_sslcon) {
2138 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2139 # if defined(OPENSSL_SYS_VMS)
2140 openssl_fdset(stdin_sock, &readfds);
2142 openssl_fdset(fileno(stdin), &readfds);
2145 openssl_fdset(s, &readfds);
2147 * Note: under VMS with SOCKETSHR the second parameter is
2148 * currently of type (int *) whereas under other systems it is
2149 * (void *) if you don't have a cast it will choke the compiler:
2150 * if you do have a cast then you can either go for (int *) or
2153 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2155 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2156 * only on sockets. As a workaround we timeout the select every
2157 * second and check for any keypress. In a proper Windows
2158 * application we wouldn't do this because it is inefficient.
2162 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2163 if (has_stdin_waiting())
2164 read_from_terminal = 1;
2165 if ((i < 0) || (!i && !read_from_terminal))
2168 if ((SSL_version(con) == DTLS1_VERSION) &&
2169 DTLSv1_get_timeout(con, &timeout))
2170 timeoutp = &timeout;
2174 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2176 if ((SSL_version(con) == DTLS1_VERSION)
2177 && DTLSv1_handle_timeout(con) > 0) {
2178 BIO_printf(bio_err, "TIMEOUT occurred\n");
2183 # if defined(OPENSSL_SYS_VMS)
2184 if (FD_ISSET(stdin_sock, &readfds))
2186 if (FD_ISSET(fileno(stdin), &readfds))
2188 read_from_terminal = 1;
2190 if (FD_ISSET(s, &readfds))
2191 read_from_sslcon = 1;
2193 if (read_from_terminal) {
2197 #if defined(OPENSSL_SYS_VMS)
2198 i=recv(stdin_sock, buf, bufsize / 2, 0);
2200 i = raw_read_stdin(buf, bufsize / 2);
2203 /* both loops are skipped when i <= 0 */
2204 for (j = 0; j < i; j++)
2207 for (j = i - 1; j >= 0; j--) {
2208 buf[j + lf_num] = buf[j];
2209 if (buf[j] == '\n') {
2212 buf[j + lf_num] = '\r';
2215 assert(lf_num == 0);
2217 #if defined(OPENSSL_SYS_VMS)
2218 i = recv(stdin_sock, buf, bufsize, 0);
2220 i = raw_read_stdin(buf, bufsize);
2223 if (!s_quiet && !s_brief) {
2224 if ((i <= 0) || (buf[0] == 'Q')) {
2225 BIO_printf(bio_s_out, "DONE\n");
2226 (void)BIO_flush(bio_s_out);
2228 close_accept_socket();
2232 if ((i <= 0) || (buf[0] == 'q')) {
2233 BIO_printf(bio_s_out, "DONE\n");
2234 (void)BIO_flush(bio_s_out);
2235 if (SSL_version(con) != DTLS1_VERSION)
2238 * close_accept_socket(); ret= -11;
2242 #ifndef OPENSSL_NO_HEARTBEATS
2243 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2244 BIO_printf(bio_err, "HEARTBEATING\n");
2250 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2251 SSL_renegotiate(con);
2252 i = SSL_do_handshake(con);
2253 printf("SSL_do_handshake -> %d\n", i);
2257 * strcpy(buf,"server side RE-NEGOTIATE\n");
2260 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2262 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2264 SSL_renegotiate(con);
2265 i = SSL_do_handshake(con);
2266 printf("SSL_do_handshake -> %d\n", i);
2270 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2274 if (buf[0] == 'P') {
2275 static const char *str = "Lets print some clear text\n";
2276 BIO_write(SSL_get_wbio(con), str, strlen(str));
2278 if (buf[0] == 'S') {
2279 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2282 #ifdef CHARSET_EBCDIC
2283 ebcdic2ascii(buf, buf, i);
2287 /* should do a select for the write */
2290 if (++count == 100) {
2292 SSL_renegotiate(con);
2295 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2296 #ifndef OPENSSL_NO_SRP
2297 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2298 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2299 SRP_user_pwd_free(srp_callback_parm.user);
2300 srp_callback_parm.user =
2301 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2302 srp_callback_parm.login);
2303 if (srp_callback_parm.user)
2304 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2305 srp_callback_parm.user->info);
2307 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2308 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2311 switch (SSL_get_error(con, k)) {
2312 case SSL_ERROR_NONE:
2314 case SSL_ERROR_WANT_ASYNC:
2315 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2316 (void)BIO_flush(bio_s_out);
2317 wait_for_async(con);
2319 case SSL_ERROR_WANT_WRITE:
2320 case SSL_ERROR_WANT_READ:
2321 case SSL_ERROR_WANT_X509_LOOKUP:
2322 BIO_printf(bio_s_out, "Write BLOCK\n");
2323 (void)BIO_flush(bio_s_out);
2325 case SSL_ERROR_WANT_ASYNC_JOB:
2327 * This shouldn't ever happen in s_server. Treat as an error
2329 case SSL_ERROR_SYSCALL:
2331 BIO_printf(bio_s_out, "ERROR\n");
2332 (void)BIO_flush(bio_s_out);
2333 ERR_print_errors(bio_err);
2337 case SSL_ERROR_ZERO_RETURN:
2338 BIO_printf(bio_s_out, "DONE\n");
2339 (void)BIO_flush(bio_s_out);
2351 if (read_from_sslcon) {
2353 * init_ssl_connection handles all async events itself so if we're
2354 * waiting for async then we shouldn't go back into
2355 * init_ssl_connection
2357 if ((!async || !SSL_waiting_for_async(con))
2358 && !SSL_is_init_finished(con)) {
2359 i = init_ssl_connection(con);
2364 } else if (i == 0) {
2370 i = SSL_read(con, (char *)buf, bufsize);
2371 #ifndef OPENSSL_NO_SRP
2372 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2373 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2374 SRP_user_pwd_free(srp_callback_parm.user);
2375 srp_callback_parm.user =
2376 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2377 srp_callback_parm.login);
2378 if (srp_callback_parm.user)
2379 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2380 srp_callback_parm.user->info);
2382 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2383 i = SSL_read(con, (char *)buf, bufsize);
2386 switch (SSL_get_error(con, i)) {
2387 case SSL_ERROR_NONE:
2388 #ifdef CHARSET_EBCDIC
2389 ascii2ebcdic(buf, buf, i);
2391 raw_write_stdout(buf, (unsigned int)i);
2392 (void)BIO_flush(bio_s_out);
2393 if (SSL_has_pending(con))
2396 case SSL_ERROR_WANT_ASYNC:
2397 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2398 (void)BIO_flush(bio_s_out);
2399 wait_for_async(con);
2401 case SSL_ERROR_WANT_WRITE:
2402 case SSL_ERROR_WANT_READ:
2403 BIO_printf(bio_s_out, "Read BLOCK\n");
2404 (void)BIO_flush(bio_s_out);
2406 case SSL_ERROR_WANT_ASYNC_JOB:
2408 * This shouldn't ever happen in s_server. Treat as an error
2410 case SSL_ERROR_SYSCALL:
2412 BIO_printf(bio_s_out, "ERROR\n");
2413 (void)BIO_flush(bio_s_out);
2414 ERR_print_errors(bio_err);
2417 case SSL_ERROR_ZERO_RETURN:
2418 BIO_printf(bio_s_out, "DONE\n");
2419 (void)BIO_flush(bio_s_out);
2428 BIO_printf(bio_s_out, "shutting down SSL\n");
2429 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2432 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2433 OPENSSL_clear_free(buf, bufsize);
2435 BIO_printf(bio_s_out, "ACCEPT\n");
2436 #if defined(OPENSSL_SYS_VMS)
2437 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2439 (void)BIO_flush(bio_s_out);
2443 static void close_accept_socket(void)
2445 BIO_printf(bio_err, "shutdown accept socket\n");
2446 if (accept_socket >= 0) {
2447 BIO_closesocket(accept_socket);
2451 static int init_ssl_connection(SSL *con)
2458 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2459 const unsigned char *next_proto_neg;
2460 unsigned next_proto_neg_len;
2462 unsigned char *exportedkeymat;
2465 #ifndef OPENSSL_NO_DTLS
2467 BIO_ADDR *client = NULL;
2469 if ((client = BIO_ADDR_new()) == NULL) {
2470 BIO_printf(bio_err, "ERROR - memory\n");
2473 i = DTLSv1_listen(con, client);
2478 wbio = SSL_get_wbio(con);
2480 BIO_get_fd(wbio, &fd);
2483 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2484 BIO_printf(bio_err, "ERROR - unable to connect\n");
2485 BIO_ADDR_free(client);
2488 BIO_ADDR_free(client);
2490 i = SSL_accept(con);
2492 BIO_ADDR_free(client);
2498 i = SSL_accept(con);
2501 retry = BIO_sock_should_retry(i);
2502 #ifdef CERT_CB_TEST_RETRY
2505 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2506 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2508 "LOOKUP from certificate callback during accept\n");
2509 i = SSL_accept(con);
2511 retry = BIO_sock_should_retry(i);
2516 #ifndef OPENSSL_NO_SRP
2518 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2519 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2520 srp_callback_parm.login);
2521 SRP_user_pwd_free(srp_callback_parm.user);
2522 srp_callback_parm.user =
2523 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2524 srp_callback_parm.login);
2525 if (srp_callback_parm.user)
2526 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2527 srp_callback_parm.user->info);
2529 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2530 i = SSL_accept(con);
2532 retry = BIO_sock_should_retry(i);
2535 } while (i < 0 && SSL_waiting_for_async(con));
2538 if ((dtlslisten && i == 0)
2539 || (!dtlslisten && retry)) {
2540 BIO_printf(bio_s_out, "DELAY\n");
2544 BIO_printf(bio_err, "ERROR\n");
2546 verify_err = SSL_get_verify_result(con);
2547 if (verify_err != X509_V_OK) {
2548 BIO_printf(bio_err, "verify error:%s\n",
2549 X509_verify_cert_error_string(verify_err));
2551 /* Always print any error messages */
2552 ERR_print_errors(bio_err);
2557 print_ssl_summary(con);
2559 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2561 peer = SSL_get_peer_certificate(con);
2563 BIO_printf(bio_s_out, "Client certificate\n");
2564 PEM_write_bio_X509(bio_s_out, peer);
2565 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2566 BIO_printf(bio_s_out, "subject=%s\n", buf);
2567 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2568 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2573 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2574 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2575 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2576 ssl_print_sigalgs(bio_s_out, con);
2577 #ifndef OPENSSL_NO_EC
2578 ssl_print_point_formats(bio_s_out, con);
2579 ssl_print_curves(bio_s_out, con, 0);
2581 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2583 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2584 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2585 if (next_proto_neg) {
2586 BIO_printf(bio_s_out, "NEXTPROTO is ");
2587 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2588 BIO_printf(bio_s_out, "\n");
2591 #ifndef OPENSSL_NO_SRTP
2593 SRTP_PROTECTION_PROFILE *srtp_profile
2594 = SSL_get_selected_srtp_profile(con);
2597 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2598 srtp_profile->name);
2601 if (SSL_session_reused(con))
2602 BIO_printf(bio_s_out, "Reused session-id\n");
2603 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2604 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2605 if (keymatexportlabel != NULL) {
2606 BIO_printf(bio_s_out, "Keying material exporter:\n");
2607 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2608 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2609 exportedkeymat = app_malloc(keymatexportlen, "export key");
2610 if (!SSL_export_keying_material(con, exportedkeymat,
2613 strlen(keymatexportlabel),
2615 BIO_printf(bio_s_out, " Error\n");
2617 BIO_printf(bio_s_out, " Keying material: ");
2618 for (i = 0; i < keymatexportlen; i++)
2619 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2620 BIO_printf(bio_s_out, "\n");
2622 OPENSSL_free(exportedkeymat);
2625 (void)BIO_flush(bio_s_out);
2629 #ifndef OPENSSL_NO_DH
2630 static DH *load_dh_param(const char *dhfile)
2635 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2637 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2644 static int www_body(int s, int stype, unsigned char *context)
2650 const SSL_CIPHER *c;
2651 BIO *io, *ssl_bio, *sbio;
2653 int total_bytes = 0;
2658 /* Set width for a select call if needed */
2661 buf = app_malloc(bufsize, "server www buffer");
2662 io = BIO_new(BIO_f_buffer());
2663 ssl_bio = BIO_new(BIO_f_ssl());
2664 if ((io == NULL) || (ssl_bio == NULL))
2668 if (!BIO_socket_nbio(s, 1))
2669 ERR_print_errors(bio_err);
2671 BIO_printf(bio_err, "Turned on non blocking io\n");
2674 /* lets make the output buffer a reasonable size */
2675 if (!BIO_set_write_buffer_size(io, bufsize))
2678 if ((con = SSL_new(ctx)) == NULL)
2681 if (s_tlsextdebug) {
2682 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2683 SSL_set_tlsext_debug_arg(con, bio_s_out);
2687 && !SSL_set_session_id_context(con, context,
2688 strlen((char *)context)))
2691 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2695 test = BIO_new(BIO_f_nbio_test());
2696 sbio = BIO_push(test, sbio);
2698 SSL_set_bio(con, sbio, sbio);
2699 SSL_set_accept_state(con);
2701 /* SSL_set_fd(con,s); */
2702 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2703 BIO_push(io, ssl_bio);
2704 #ifdef CHARSET_EBCDIC
2705 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2709 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2710 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2713 #ifndef OPENSSL_NO_SSL_TRACE
2715 SSL_set_msg_callback(con, SSL_trace);
2718 SSL_set_msg_callback(con, msg_cb);
2719 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2723 i = BIO_gets(io, buf, bufsize - 1);
2724 if (i < 0) { /* error */
2725 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2727 ERR_print_errors(bio_err);
2730 BIO_printf(bio_s_out, "read R BLOCK\n");
2731 #ifndef OPENSSL_NO_SRP
2732 if (BIO_should_io_special(io)
2733 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2734 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2735 SRP_user_pwd_free(srp_callback_parm.user);
2736 srp_callback_parm.user =
2737 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2738 srp_callback_parm.login);
2739 if (srp_callback_parm.user)
2740 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2741 srp_callback_parm.user->info);
2743 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2747 #if !defined(OPENSSL_SYS_MSDOS)
2752 } else if (i == 0) { /* end of input */
2757 /* else we have data */
2758 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2759 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2762 STACK_OF(SSL_CIPHER) *sk;
2763 static const char *space = " ";
2765 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2766 if (strncmp("GET /renegcert", buf, 14) == 0)
2768 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2770 i = SSL_renegotiate(con);
2771 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2772 /* Send the HelloRequest */
2773 i = SSL_do_handshake(con);
2775 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2776 SSL_get_error(con, i));
2777 ERR_print_errors(bio_err);
2780 /* Wait for a ClientHello to come back */
2782 openssl_fdset(s, &readfds);
2783 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2784 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2785 BIO_printf(bio_s_out,
2786 "Error waiting for client response\n");
2787 ERR_print_errors(bio_err);
2791 * We're not actually expecting any data here and we ignore
2792 * any that is sent. This is just to force the handshake that
2793 * we're expecting to come from the client. If they haven't
2794 * sent one there's not much we can do.
2796 BIO_gets(io, buf, bufsize - 1);
2800 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2801 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2802 BIO_puts(io, "<pre>\n");
2803 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
2805 for (i = 0; i < local_argc; i++) {
2807 for (myp = local_argv[i]; *myp; myp++)
2810 BIO_puts(io, "<");
2813 BIO_puts(io, ">");
2816 BIO_puts(io, "&");
2819 BIO_write(io, myp, 1);
2822 BIO_write(io, " ", 1);
2827 "Secure Renegotiation IS%s supported\n",
2828 SSL_get_secure_renegotiation_support(con) ?
2832 * The following is evil and should not really be done
2834 BIO_printf(io, "Ciphers supported in s_server binary\n");
2835 sk = SSL_get_ciphers(con);
2836 j = sk_SSL_CIPHER_num(sk);
2837 for (i = 0; i < j; i++) {
2838 c = sk_SSL_CIPHER_value(sk, i);
2839 BIO_printf(io, "%-11s:%-25s ",
2840 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2841 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2845 p = SSL_get_shared_ciphers(con, buf, bufsize);
2848 "---\nCiphers common between both SSL end points:\n");
2852 BIO_write(io, space, 26 - j);
2855 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2857 BIO_write(io, p, 1);
2864 ssl_print_sigalgs(io, con);
2865 #ifndef OPENSSL_NO_EC
2866 ssl_print_curves(io, con, 0);
2868 BIO_printf(io, (SSL_session_reused(con)
2869 ? "---\nReused, " : "---\nNew, "));
2870 c = SSL_get_current_cipher(con);
2871 BIO_printf(io, "%s, Cipher is %s\n",
2872 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2873 SSL_SESSION_print(io, SSL_get_session(con));
2874 BIO_printf(io, "---\n");
2875 print_stats(io, SSL_get_SSL_CTX(con));
2876 BIO_printf(io, "---\n");
2877 peer = SSL_get_peer_certificate(con);
2879 BIO_printf(io, "Client certificate\n");
2880 X509_print(io, peer);
2881 PEM_write_bio_X509(io, peer);
2885 BIO_puts(io, "no client certificate available\n");
2886 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2888 } else if ((www == 2 || www == 3)
2889 && (strncmp("GET /", buf, 5) == 0)) {
2892 static const char *text =
2893 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2899 for (e = p; *e != '\0'; e++) {
2905 dot = (e[0] == '.') ? 2 : 0;
2908 dot = (e[0] == '.') ? 3 : 0;
2911 dot = (e[0] == '/') ? -1 : 0;
2915 dot = (e[0] == '/') ? 1 : 0;
2917 dot = (dot == 3) || (dot == -1); /* filename contains ".."
2922 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
2929 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
2935 BIO_printf(io, "'%s' is an invalid path\r\n", p);
2939 /* if a directory, do the index thang */
2940 if (app_isdir(p) > 0) {
2942 BIO_printf(io, "'%s' is a directory\r\n", p);
2946 if ((file = BIO_new_file(p, "r")) == NULL) {
2948 BIO_printf(io, "Error opening '%s'\r\n", p);
2949 ERR_print_errors(io);
2954 BIO_printf(bio_err, "FILE:%s\n", p);
2958 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2959 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2960 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2962 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2965 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2969 i = BIO_read(file, buf, bufsize);
2975 BIO_printf(bio_err, "%d\n", i);
2976 if (total_bytes > 3 * 1024) {
2978 BIO_printf(bio_err, "RENEGOTIATE\n");
2979 SSL_renegotiate(con);
2983 for (j = 0; j < i;) {
2986 if (++count == 13) {
2987 SSL_renegotiate(con);
2990 k = BIO_write(io, &(buf[j]), i - j);
2992 if (!BIO_should_retry(io)
2993 && !SSL_waiting_for_async(con))
2996 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3010 i = (int)BIO_flush(io);
3012 if (!BIO_should_retry(io))
3018 /* make sure we re-use sessions */
3019 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3023 BIO_printf(bio_s_out, "ACCEPT\n");
3029 static int rev_body(int s, int stype, unsigned char *context)
3035 BIO *io, *ssl_bio, *sbio;
3037 buf = app_malloc(bufsize, "server rev buffer");
3038 io = BIO_new(BIO_f_buffer());
3039 ssl_bio = BIO_new(BIO_f_ssl());
3040 if ((io == NULL) || (ssl_bio == NULL))
3043 /* lets make the output buffer a reasonable size */
3044 if (!BIO_set_write_buffer_size(io, bufsize))
3047 if ((con = SSL_new(ctx)) == NULL)
3050 if (s_tlsextdebug) {
3051 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3052 SSL_set_tlsext_debug_arg(con, bio_s_out);
3055 && !SSL_set_session_id_context(con, context,
3056 strlen((char *)context))) {
3057 ERR_print_errors(bio_err);
3061 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3062 SSL_set_bio(con, sbio, sbio);
3063 SSL_set_accept_state(con);
3065 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3066 BIO_push(io, ssl_bio);
3067 #ifdef CHARSET_EBCDIC
3068 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3072 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3073 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3076 #ifndef OPENSSL_NO_SSL_TRACE
3078 SSL_set_msg_callback(con, SSL_trace);
3081 SSL_set_msg_callback(con, msg_cb);
3082 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3086 i = BIO_do_handshake(io);
3089 if (!BIO_should_retry(io)) {
3090 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3091 ERR_print_errors(bio_err);
3094 #ifndef OPENSSL_NO_SRP
3095 if (BIO_should_io_special(io)
3096 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3097 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3098 SRP_user_pwd_free(srp_callback_parm.user);
3099 srp_callback_parm.user =
3100 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3101 srp_callback_parm.login);
3102 if (srp_callback_parm.user)
3103 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3104 srp_callback_parm.user->info);
3106 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3111 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3112 print_ssl_summary(con);
3115 i = BIO_gets(io, buf, bufsize - 1);
3116 if (i < 0) { /* error */
3117 if (!BIO_should_retry(io)) {
3119 ERR_print_errors(bio_err);
3122 BIO_printf(bio_s_out, "read R BLOCK\n");
3123 #ifndef OPENSSL_NO_SRP
3124 if (BIO_should_io_special(io)
3125 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3126 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3127 SRP_user_pwd_free(srp_callback_parm.user);
3128 srp_callback_parm.user =
3129 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3130 srp_callback_parm.login);
3131 if (srp_callback_parm.user)
3132 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3133 srp_callback_parm.user->info);
3135 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3139 #if !defined(OPENSSL_SYS_MSDOS)
3144 } else if (i == 0) { /* end of input */
3146 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3149 char *p = buf + i - 1;
3150 while (i && (*p == '\n' || *p == '\r')) {
3154 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3156 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3159 BUF_reverse((unsigned char *)buf, NULL, i);
3161 BIO_write(io, buf, i + 1);
3166 if (!BIO_should_retry(io))
3172 /* make sure we re-use sessions */
3173 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3182 #define MAX_SESSION_ID_ATTEMPTS 10
3183 static int generate_session_id(const SSL *ssl, unsigned char *id,
3184 unsigned int *id_len)
3186 unsigned int count = 0;
3188 if (RAND_bytes(id, *id_len) <= 0)
3191 * Prefix the session_id with the required prefix. NB: If our prefix
3192 * is too long, clip it - but there will be worse effects anyway, eg.
3193 * the server could only possibly create 1 session ID (ie. the
3194 * prefix!) so all future session negotiations will fail due to
3197 memcpy(id, session_id_prefix,
3198 (strlen(session_id_prefix) < *id_len) ?
3199 strlen(session_id_prefix) : *id_len);
3201 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3202 (++count < MAX_SESSION_ID_ATTEMPTS));
3203 if (count >= MAX_SESSION_ID_ATTEMPTS)
3209 * By default s_server uses an in-memory cache which caches SSL_SESSION
3210 * structures without any serialisation. This hides some bugs which only
3211 * become apparent in deployed servers. By implementing a basic external
3212 * session cache some issues can be debugged using s_server.
3215 typedef struct simple_ssl_session_st {
3220 struct simple_ssl_session_st *next;
3221 } simple_ssl_session;
3223 static simple_ssl_session *first = NULL;
3225 static int add_session(SSL *ssl, SSL_SESSION *session)
3227 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3230 SSL_SESSION_get_id(session, &sess->idlen);
3231 sess->derlen = i2d_SSL_SESSION(session, NULL);
3232 if (sess->derlen < 0) {
3233 BIO_printf(bio_err, "Error encoding session\n");
3238 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3239 sess->der = app_malloc(sess->derlen, "get session buffer");
3241 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3242 OPENSSL_free(sess->id);
3243 OPENSSL_free(sess->der);
3249 /* Assume it still works. */
3250 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3251 BIO_printf(bio_err, "Unexpected session encoding length\n");
3252 OPENSSL_free(sess->id);
3253 OPENSSL_free(sess->der);
3260 BIO_printf(bio_err, "New session added to external cache\n");
3264 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3267 simple_ssl_session *sess;
3269 for (sess = first; sess; sess = sess->next) {
3270 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3271 const unsigned char *p = sess->der;
3272 BIO_printf(bio_err, "Lookup session: cache hit\n");
3273 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3276 BIO_printf(bio_err, "Lookup session: cache miss\n");
3280 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3282 simple_ssl_session *sess, *prev = NULL;
3283 const unsigned char *id;
3285 id = SSL_SESSION_get_id(session, &idlen);
3286 for (sess = first; sess; sess = sess->next) {
3287 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3289 prev->next = sess->next;
3292 OPENSSL_free(sess->id);
3293 OPENSSL_free(sess->der);
3301 static void init_session_cache_ctx(SSL_CTX *sctx)
3303 SSL_CTX_set_session_cache_mode(sctx,
3304 SSL_SESS_CACHE_NO_INTERNAL |
3305 SSL_SESS_CACHE_SERVER);
3306 SSL_CTX_sess_set_new_cb(sctx, add_session);
3307 SSL_CTX_sess_set_get_cb(sctx, get_session);
3308 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3311 static void free_sessions(void)
3313 simple_ssl_session *sess, *tsess;
3314 for (sess = first; sess;) {
3315 OPENSSL_free(sess->id);
3316 OPENSSL_free(sess->der);
3319 OPENSSL_free(tsess);
3324 #endif /* OPENSSL_NO_SOCK */