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
46 #include <openssl/async.h>
48 #include <openssl/e_os2.h>
50 #ifndef OPENSSL_NO_SOCK
53 * With IPv6, it looks like Digital has mixed up the proper order of
54 * recursive header file inclusion, resulting in the compiler complaining
55 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
56 * needed to have fileno() declared correctly... So let's define u_int
58 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
60 typedef unsigned int u_int;
63 #include <openssl/lhash.h>
64 #include <openssl/bn.h>
67 #include <openssl/err.h>
68 #include <openssl/pem.h>
69 #include <openssl/x509.h>
70 #include <openssl/ssl.h>
71 #include <openssl/rand.h>
72 #include <openssl/ocsp.h>
74 # include <openssl/dh.h>
76 #ifndef OPENSSL_NO_RSA
77 # include <openssl/rsa.h>
79 #ifndef OPENSSL_NO_SRP
80 # include <openssl/srp.h>
85 #include <openssl/ebcdic.h>
88 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
89 static int sv_body(int s, int stype, unsigned char *context);
90 static int www_body(int s, int stype, unsigned char *context);
91 static int rev_body(int s, int stype, unsigned char *context);
92 static void close_accept_socket(void);
93 static int init_ssl_connection(SSL *s);
94 static void print_stats(BIO *bp, SSL_CTX *ctx);
95 static int generate_session_id(const SSL *ssl, unsigned char *id,
96 unsigned int *id_len);
97 static void init_session_cache_ctx(SSL_CTX *sctx);
98 static void free_sessions(void);
100 static DH *load_dh_param(const char *dhfile);
103 static void s_server_init(void);
105 /* static int load_CA(SSL_CTX *ctx, char *file);*/
108 #define BUFSIZZ 16*1024
109 static int bufsize = BUFSIZZ;
110 static int accept_socket = -1;
112 #define TEST_CERT "server.pem"
113 #define TEST_CERT2 "server2.pem"
115 extern int verify_depth, verify_return_error, verify_quiet;
117 static int s_server_verify = SSL_VERIFY_NONE;
118 static int s_server_session_id_context = 1; /* anything will do */
119 static const char *s_cert_file = TEST_CERT, *s_key_file =
120 NULL, *s_chain_file = NULL;
122 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
123 static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
124 static int s_nbio = 0;
125 static int s_nbio_test = 0;
126 static int s_crlf = 0;
127 static SSL_CTX *ctx = NULL;
128 static SSL_CTX *ctx2 = NULL;
131 static BIO *bio_s_out = NULL;
132 static BIO *bio_s_msg = NULL;
133 static int s_debug = 0;
134 static int s_tlsextdebug = 0;
135 static int s_tlsextstatus = 0;
136 static int no_resume_ephemeral = 0;
137 static int s_msg = 0;
138 static int s_quiet = 0;
139 static int s_ign_eof = 0;
140 static int s_brief = 0;
142 static char *keymatexportlabel = NULL;
143 static int keymatexportlen = 20;
145 static int async = 0;
146 static unsigned int split_send_fragment = 0;
147 static unsigned int max_pipelines = 0;
149 static const char *session_id_prefix = NULL;
151 #ifndef OPENSSL_NO_DTLS
152 static int enable_timeouts = 0;
153 static long socket_mtu;
154 static int cert_chain = 0;
156 static int dtlslisten = 0;
158 static BIO *serverinfo_in = NULL;
159 static const char *s_serverinfo_file = NULL;
161 #ifndef OPENSSL_NO_PSK
162 static char *psk_identity = "Client_identity";
163 char *psk_key = NULL; /* by default PSK is not used */
165 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
167 unsigned int max_psk_len)
173 BIO_printf(bio_s_out, "psk_server_cb\n");
175 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
179 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
180 (int)strlen(identity), identity);
182 /* here we could lookup the given identity e.g. from a database */
183 if (strcmp(identity, psk_identity) != 0) {
184 BIO_printf(bio_s_out, "PSK error: client identity not found"
185 " (got '%s' expected '%s')\n", identity, psk_identity);
189 BIO_printf(bio_s_out, "PSK client identity found\n");
191 /* convert the PSK key to binary */
192 key = OPENSSL_hexstr2buf(psk_key, &key_len);
194 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
198 if (key_len > (int)max_psk_len) {
200 "psk buffer of callback is too small (%d) for key (%ld)\n",
201 max_psk_len, key_len);
206 memcpy(psk, key, key_len);
210 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
214 BIO_printf(bio_err, "Error in PSK server callback\n");
215 (void)BIO_flush(bio_err);
216 (void)BIO_flush(bio_s_out);
221 #ifndef OPENSSL_NO_SRP
222 /* This is a context that we pass to callbacks */
223 typedef struct srpsrvparm_st {
230 * This callback pretends to require some asynchronous logic in order to
231 * obtain a verifier. When the callback is called for a new connection we
232 * return with a negative value. This will provoke the accept etc to return
233 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
234 * (which would normally occur after a worker has finished) and we set the
237 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
239 srpsrvparm *p = (srpsrvparm *) arg;
240 int ret = SSL3_AL_FATAL;
242 if (p->login == NULL && p->user == NULL) {
243 p->login = SSL_get_srp_username(s);
244 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
248 if (p->user == NULL) {
249 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
253 if (SSL_set_srp_server_param
254 (s, p->user->N, p->user->g, p->user->s, p->user->v,
255 p->user->info) < 0) {
256 *ad = SSL_AD_INTERNAL_ERROR;
260 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
261 p->login, p->user->info);
262 ret = SSL_ERROR_NONE;
265 SRP_user_pwd_free(p->user);
273 static void s_server_init(void)
277 s_server_verify = SSL_VERIFY_NONE;
280 s_dchain_file = NULL;
281 s_cert_file = TEST_CERT;
284 s_cert_file2 = TEST_CERT2;
297 split_send_fragment = 0;
301 static int local_argc = 0;
302 static char **local_argv;
304 #ifdef CHARSET_EBCDIC
305 static int ebcdic_new(BIO *bi);
306 static int ebcdic_free(BIO *a);
307 static int ebcdic_read(BIO *b, char *out, int outl);
308 static int ebcdic_write(BIO *b, const char *in, int inl);
309 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
310 static int ebcdic_gets(BIO *bp, char *buf, int size);
311 static int ebcdic_puts(BIO *bp, const char *str);
313 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
314 static BIO_METHOD *methods_ebcdic = NULL;
316 /* This struct is "unwarranted chumminess with the compiler." */
322 static const BIO_METHOD *BIO_f_ebcdic_filter()
324 if (methods_ebcdic == NULL) {
325 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
326 "EBCDIC/ASCII filter");
327 if ( methods_ebcdic == NULL
328 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
329 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
330 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
331 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
332 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
333 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
334 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
337 return methods_ebcdic;
340 static int ebcdic_new(BIO *bi)
342 EBCDIC_OUTBUFF *wbuf;
344 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
345 wbuf->alloced = 1024;
346 wbuf->buff[0] = '\0';
348 BIO_set_data(bi, wbuf);
353 static int ebcdic_free(BIO *a)
355 EBCDIC_OUTBUFF *wbuf;
359 wbuf = BIO_get_data(a);
361 BIO_set_data(a, NULL);
367 static int ebcdic_read(BIO *b, char *out, int outl)
370 BIO *next = BIO_next(b);
372 if (out == NULL || outl == 0)
377 ret = BIO_read(next, out, outl);
379 ascii2ebcdic(out, out, ret);
383 static int ebcdic_write(BIO *b, const char *in, int inl)
385 EBCDIC_OUTBUFF *wbuf;
386 BIO *next = BIO_next(b);
390 if ((in == NULL) || (inl <= 0))
395 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
397 if (inl > (num = wbuf->alloced)) {
398 num = num + num; /* double the size */
402 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
405 wbuf->buff[0] = '\0';
407 BIO_set_data(b, wbuf);
410 ebcdic2ascii(wbuf->buff, in, inl);
412 ret = BIO_write(next, wbuf->buff, inl);
417 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
420 BIO *next = BIO_next(b);
429 ret = BIO_ctrl(next, cmd, num, ptr);
435 static int ebcdic_gets(BIO *bp, char *buf, int size)
438 BIO *next = BIO_next(bp);
442 /* return(BIO_gets(bp->next_bio,buf,size));*/
443 for (i = 0; i < size - 1; ++i) {
444 ret = ebcdic_read(bp, &buf[i], 1);
447 else if (buf[i] == '\n') {
454 return (ret < 0 && i == 0) ? ret : i;
457 static int ebcdic_puts(BIO *bp, const char *str)
459 if (BIO_next(bp) == NULL)
461 return ebcdic_write(bp, str, strlen(str));
465 /* This is a context that we pass to callbacks */
466 typedef struct tlsextctx_st {
472 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
474 tlsextctx *p = (tlsextctx *) arg;
475 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
476 if (servername && p->biodebug)
477 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
481 return SSL_TLSEXT_ERR_NOACK;
484 if (strcasecmp(servername, p->servername))
485 return p->extension_error;
487 BIO_printf(p->biodebug, "Switching server context.\n");
488 SSL_set_SSL_CTX(s, ctx2);
491 return SSL_TLSEXT_ERR_OK;
494 /* Structure passed to cert status callback */
496 typedef struct tlsextstatusctx_st {
497 /* Default responder to use */
498 char *host, *path, *port;
504 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 };
506 #ifndef OPENSSL_NO_OCSP
508 * Certificate Status callback. This is called when a client includes a
509 * certificate status request extension. This is a simplified version. It
510 * examines certificates each time and makes one OCSP responder query for
511 * each request. A full version would store details such as the OCSP
512 * certificate IDs and minimise the number of OCSP responses by caching them
513 * until they were considered "expired".
516 static int cert_status_cb(SSL *s, void *arg)
518 tlsextstatusctx *srctx = arg;
519 char *host = NULL, *port = NULL, *path = NULL;
521 unsigned char *rspder = NULL;
523 STACK_OF(OPENSSL_STRING) *aia = NULL;
525 X509_STORE_CTX *inctx = NULL;
527 OCSP_REQUEST *req = NULL;
528 OCSP_RESPONSE *resp = NULL;
529 OCSP_CERTID *id = NULL;
530 STACK_OF(X509_EXTENSION) *exts;
531 int ret = SSL_TLSEXT_ERR_NOACK;
535 BIO_puts(bio_err, "cert_status: callback called\n");
536 /* Build up OCSP query from server certificate */
537 x = SSL_get_certificate(s);
538 aia = X509_get1_ocsp(x);
540 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
541 &host, &port, &path, &use_ssl)) {
542 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
546 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
547 sk_OPENSSL_STRING_value(aia, 0));
551 "cert_status: no AIA and no default responder URL\n");
557 use_ssl = srctx->use_ssl;
560 inctx = X509_STORE_CTX_new();
563 if (!X509_STORE_CTX_init(inctx,
564 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
567 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
568 X509_get_issuer_name(x));
570 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
573 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
574 X509_OBJECT_free(obj);
577 req = OCSP_REQUEST_new();
580 if (!OCSP_request_add0_id(req, id))
583 /* Add any extensions to the request */
584 SSL_get_tlsext_status_exts(s, &exts);
585 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
586 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
587 if (!OCSP_REQUEST_add_ext(req, ext, -1))
590 resp = process_responder(req, host, path, port, use_ssl, NULL,
593 BIO_puts(bio_err, "cert_status: error querying responder\n");
596 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
599 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
600 if (srctx->verbose) {
601 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
602 OCSP_RESPONSE_print(bio_err, resp, 2);
604 ret = SSL_TLSEXT_ERR_OK;
608 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
610 if (ret != SSL_TLSEXT_ERR_OK)
611 ERR_print_errors(bio_err);
616 X509_email_free(aia);
618 OCSP_CERTID_free(id);
619 OCSP_REQUEST_free(req);
620 OCSP_RESPONSE_free(resp);
621 X509_STORE_CTX_free(inctx);
626 #ifndef OPENSSL_NO_NEXTPROTONEG
627 /* This is the context that we pass to next_proto_cb */
628 typedef struct tlsextnextprotoctx_st {
631 } tlsextnextprotoctx;
633 static int next_proto_cb(SSL *s, const unsigned char **data,
634 unsigned int *len, void *arg)
636 tlsextnextprotoctx *next_proto = arg;
638 *data = next_proto->data;
639 *len = next_proto->len;
641 return SSL_TLSEXT_ERR_OK;
643 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
645 /* This the context that we pass to alpn_cb */
646 typedef struct tlsextalpnctx_st {
651 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
652 const unsigned char *in, unsigned int inlen, void *arg)
654 tlsextalpnctx *alpn_ctx = arg;
657 /* We can assume that |in| is syntactically valid. */
659 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
660 for (i = 0; i < inlen;) {
662 BIO_write(bio_s_out, ", ", 2);
663 BIO_write(bio_s_out, &in[i + 1], in[i]);
666 BIO_write(bio_s_out, "\n", 1);
669 if (SSL_select_next_proto
670 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
671 inlen) != OPENSSL_NPN_NEGOTIATED) {
672 return SSL_TLSEXT_ERR_NOACK;
676 BIO_printf(bio_s_out, "ALPN protocols selected: ");
677 BIO_write(bio_s_out, *out, *outlen);
678 BIO_write(bio_s_out, "\n", 1);
681 return SSL_TLSEXT_ERR_OK;
684 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
686 /* disable resumption for sessions with forward secure ciphers */
687 return is_forward_secure;
690 #ifndef OPENSSL_NO_SRP
691 static srpsrvparm srp_callback_parm;
693 #ifndef OPENSSL_NO_SRTP
694 static char *srtp_profiles = NULL;
697 typedef enum OPTION_choice {
698 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
699 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
700 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
701 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
702 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
703 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
704 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
705 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
706 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
707 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
708 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
709 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE,
710 OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF,
711 OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
712 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
713 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
714 OPT_SSL_CONFIG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
715 OPT_SSL3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
716 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_CHAIN, OPT_LISTEN,
717 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
718 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
719 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
725 OPTIONS s_server_options[] = {
726 {"help", OPT_HELP, '-', "Display this summary"},
727 {"port", OPT_PORT, 'p',
728 "TCP/IP port to listen on for connections (default is " PORT ")"},
729 {"accept", OPT_ACCEPT, 's',
730 "TCP/IP optional host and port to accept on (default is " PORT ")"},
732 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
734 {"4", OPT_4, '-', "Use IPv4 only"},
735 {"6", OPT_6, '-', "Use IPv6 only"},
737 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
739 {"context", OPT_CONTEXT, 's', "Set session ID context"},
740 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
741 {"Verify", OPT_UPPER_V_VERIFY, 'n',
742 "Turn on peer certificate verification, must have a cert"},
743 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
744 {"naccept", OPT_NACCEPT, 'p', "Terminate after pnum connections"},
745 {"serverinfo", OPT_SERVERINFO, 's',
746 "PEM serverinfo file for certificate"},
747 {"certform", OPT_CERTFORM, 'F',
748 "Certificate format (PEM or DER) PEM default"},
749 {"key", OPT_KEY, '<',
750 "Private Key if not in -cert; default is " TEST_CERT},
751 {"keyform", OPT_KEYFORM, 'f',
752 "Key format (PEM, DER or ENGINE) PEM default"},
753 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
754 {"dcert", OPT_DCERT, '<',
755 "Second certificate file to use (usually for DSA)"},
756 {"dcertform", OPT_DCERTFORM, 'F',
757 "Second certificate format (PEM or DER) PEM default"},
758 {"dkey", OPT_DKEY, '<',
759 "Second private key file to use (usually for DSA)"},
760 {"dkeyform", OPT_DKEYFORM, 'F',
761 "Second key format (PEM, DER or ENGINE) PEM default"},
762 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
763 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
764 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
765 {"debug", OPT_DEBUG, '-', "Print more output"},
766 {"msg", OPT_MSG, '-', "Show protocol messages"},
767 {"msgfile", OPT_MSGFILE, '>',
768 "File to send output of -msg or -trace, instead of stdout"},
769 {"state", OPT_STATE, '-', "Print the SSL states"},
770 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
771 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
772 {"no-CAfile", OPT_NOCAFILE, '-',
773 "Do not load the default certificates file"},
774 {"no-CApath", OPT_NOCAPATH, '-',
775 "Do not load certificates from the default certificates directory"},
776 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
777 {"quiet", OPT_QUIET, '-', "No server output"},
778 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
779 "Disable caching and tickets if ephemeral (EC)DH is used"},
780 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
781 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
782 {"servername", OPT_SERVERNAME, 's',
783 "Servername for HostName TLS extension"},
784 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
785 "mismatch send fatal alert (default warning alert)"},
786 {"cert2", OPT_CERT2, '<',
787 "Certificate file to use for servername; default is" TEST_CERT2},
788 {"key2", OPT_KEY2, '<',
789 "-Private Key file to use for servername if not in -cert2"},
790 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
791 "Hex dump of all TLS extensions received"},
792 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path incluedes HTTP headers"},
793 {"id_prefix", OPT_ID_PREFIX, 's',
794 "Generate SSL/TLS session IDs prefixed by arg"},
795 {"rand", OPT_RAND, 's',
796 "Load the file(s) into the random number generator"},
797 {"keymatexport", OPT_KEYMATEXPORT, 's',
798 "Export keying material using label"},
799 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
800 "Export len bytes of keying material (default 20)"},
801 {"CRL", OPT_CRL, '<', "CRL file to use"},
802 {"crl_download", OPT_CRL_DOWNLOAD, '-',
803 "Download CRL from distribution points"},
804 {"cert_chain", OPT_CERT_CHAIN, '<',
805 "certificate chain file in PEM format"},
806 {"dcert_chain", OPT_DCERT_CHAIN, '<',
807 "second certificate chain file in PEM format"},
808 {"chainCApath", OPT_CHAINCAPATH, '/',
809 "use dir as certificate store path to build CA certificate chain"},
810 {"verifyCApath", OPT_VERIFYCAPATH, '/',
811 "use dir as certificate store path to verify CA certificate"},
812 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
813 {"ext_cache", OPT_EXT_CACHE, '-',
814 "Disable internal cache, setup and use external cache"},
815 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default" },
816 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
817 "Close connection on verification error"},
818 {"verify_quiet", OPT_VERIFY_QUIET, '-',
819 "No verify output except verify errors"},
820 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
821 {"chainCAfile", OPT_CHAINCAFILE, '<',
822 "CA file for certificate chain (PEM format)"},
823 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
824 "CA file for certificate verification (PEM format)"},
825 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
826 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
827 #ifndef OPENSSL_NO_OCSP
828 {"status", OPT_STATUS, '-', "Request certificate status from server"},
829 {"status_verbose", OPT_STATUS_VERBOSE, '-',
830 "Print more output in certificate status callback"},
831 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
832 "Status request responder timeout"},
833 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
835 #ifndef OPENSSL_NO_SSL_TRACE
836 {"trace", OPT_TRACE, '-', "trace protocol messages"},
838 {"security_debug", OPT_SECURITY_DEBUG, '-',
839 "Print output from SSL/TLS security framework"},
840 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
841 "Print more output from SSL/TLS security framework"},
842 {"brief", OPT_BRIEF, '-', \
843 "Restrict output to brief summary of connection parameters"},
844 {"rev", OPT_REV, '-',
845 "act as a simple test server which just sends back with the received text reversed"},
846 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
847 {"ssl_config", OPT_SSL_CONFIG, 's', \
848 "Configure SSL_CTX using the configuration 'val'"},
849 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
850 "Size used to split data for encrypt pipelines"},
851 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
852 "Maximum number of encrypt/decrypt pipelines to be used"},
853 {"read_buf", OPT_READ_BUF, 'n',
854 "Default read buffer size to be used for connections"},
858 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
859 #ifndef OPENSSL_NO_PSK
860 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
861 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
863 #ifndef OPENSSL_NO_SRP
864 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
865 {"srpuserseed", OPT_SRPUSERSEED, 's',
866 "A seed string for a default user salt"},
868 #ifndef OPENSSL_NO_SSL3
869 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
871 #ifndef OPENSSL_NO_TLS1
872 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
874 #ifndef OPENSSL_NO_TLS1_1
875 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
877 #ifndef OPENSSL_NO_TLS1_2
878 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
880 #ifndef OPENSSL_NO_DTLS
881 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
882 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
883 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
884 {"chain", OPT_CHAIN, '-', "Read a certificate chain"},
885 {"listen", OPT_LISTEN, '-',
886 "Listen for a DTLS ClientHello with a cookie and then connect"},
888 #ifndef OPENSSL_NO_DTLS1
889 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
891 #ifndef OPENSSL_NO_DTLS1_2
892 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
894 #ifndef OPENSSL_NO_DH
895 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
897 #ifndef OPENSSL_NO_NEXTPROTONEG
898 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
899 "Set the advertised protocols for the NPN extension (comma-separated list)"},
901 #ifndef OPENSSL_NO_SRTP
902 {"use_srtp", OPT_SRTP_PROFILES, 's',
903 "Offer SRTP key management with a colon-separated profile list"},
905 {"alpn", OPT_ALPN, 's',
906 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
907 #ifndef OPENSSL_NO_ENGINE
908 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
910 {NULL, OPT_EOF, 0, NULL}
913 #define IS_PROT_FLAG(o) \
914 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
915 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
917 int s_server_main(int argc, char *argv[])
919 ENGINE *engine = NULL;
920 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
921 SSL_CONF_CTX *cctx = NULL;
922 const SSL_METHOD *meth = TLS_server_method();
923 SSL_EXCERT *exc = NULL;
924 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
925 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
926 STACK_OF(X509_CRL) *crls = NULL;
927 X509 *s_cert = NULL, *s_dcert = NULL;
928 X509_VERIFY_PARAM *vpm = NULL;
929 char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
930 #ifndef OPENSSL_NO_DH
933 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
934 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
935 char *crl_file = NULL, *prog;
936 #ifndef OPENSSL_NO_PSK
940 int unlink_unix_path = 0;
942 do_server_cb server_cb;
943 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
944 #ifndef OPENSSL_NO_DH
947 int nocert = 0, ret = 1;
948 int noCApath = 0, noCAfile = 0;
949 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
950 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
951 int rev = 0, naccept = -1, sdebug = 0;
952 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
953 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
955 char *port = BUF_strdup(PORT);
956 unsigned char *context = NULL;
958 EVP_PKEY *s_key2 = NULL;
959 X509 *s_cert2 = NULL;
960 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
961 const char *ssl_config = NULL;
962 int read_buf_len = 0;
963 #ifndef OPENSSL_NO_NEXTPROTONEG
964 const char *next_proto_neg_in = NULL;
965 tlsextnextprotoctx next_proto = { NULL, 0 };
967 const char *alpn_in = NULL;
968 tlsextalpnctx alpn_ctx = { NULL, 0 };
969 #ifndef OPENSSL_NO_PSK
970 /* by default do not send a PSK identity hint */
971 static char *psk_identity_hint = NULL;
973 #ifndef OPENSSL_NO_SRP
974 char *srpuserseed = NULL;
975 char *srp_verifier_file = NULL;
977 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
983 cctx = SSL_CONF_CTX_new();
984 vpm = X509_VERIFY_PARAM_new();
985 if (cctx == NULL || vpm == NULL)
987 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
989 prog = opt_init(argc, argv, s_server_options);
990 while ((o = opt_next()) != OPT_EOF) {
991 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
992 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
995 if (IS_NO_PROT_FLAG(o))
997 if (prot_opt == 1 && no_prot_opt) {
998 BIO_printf(bio_err, "Cannot supply both a protocol flag and "
1006 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1009 opt_help(s_server_options);
1015 if (socket_family == AF_UNIX) {
1016 OPENSSL_free(host); host = NULL;
1017 OPENSSL_free(port); port = NULL;
1020 socket_family = AF_INET;
1026 if (socket_family == AF_UNIX) {
1027 OPENSSL_free(host); host = NULL;
1028 OPENSSL_free(port); port = NULL;
1031 socket_family = AF_INET6;
1034 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1040 if (socket_family == AF_UNIX) {
1041 socket_family = AF_UNSPEC;
1044 OPENSSL_free(port); port = NULL;
1045 OPENSSL_free(host); host = NULL;
1046 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1048 "%s: -port argument malformed or ambiguous\n",
1055 if (socket_family == AF_UNIX) {
1056 socket_family = AF_UNSPEC;
1059 OPENSSL_free(port); port = NULL;
1060 OPENSSL_free(host); host = NULL;
1061 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1063 "%s: -accept argument malformed or ambiguous\n",
1070 socket_family = AF_UNIX;
1071 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1072 OPENSSL_free(port); port = NULL;
1075 unlink_unix_path = 1;
1079 naccept = atol(opt_arg());
1082 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1083 verify_depth = atoi(opt_arg());
1085 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1087 case OPT_UPPER_V_VERIFY:
1089 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1090 SSL_VERIFY_CLIENT_ONCE;
1091 verify_depth = atoi(opt_arg());
1094 "verify depth is %d, must return a certificate\n",
1098 context = (unsigned char *)opt_arg();
1101 s_cert_file = opt_arg();
1104 crl_file = opt_arg();
1106 case OPT_CRL_DOWNLOAD:
1109 case OPT_SERVERINFO:
1110 s_serverinfo_file = opt_arg();
1113 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1117 s_key_file = opt_arg();
1120 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1124 passarg = opt_arg();
1126 case OPT_CERT_CHAIN:
1127 s_chain_file = opt_arg();
1130 #ifndef OPENSSL_NO_DH
1135 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1139 s_dcert_file = opt_arg();
1142 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1146 dpassarg = opt_arg();
1149 s_dkey_file = opt_arg();
1151 case OPT_DCERT_CHAIN:
1152 s_dchain_file = opt_arg();
1163 case OPT_CHAINCAPATH:
1164 chCApath = opt_arg();
1166 case OPT_VERIFYCAPATH:
1167 vfyCApath = opt_arg();
1176 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1180 if (ssl_args == NULL)
1181 ssl_args = sk_OPENSSL_STRING_new_null();
1182 if (ssl_args == NULL
1183 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1184 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1185 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1190 if (!opt_verify(o, vpm))
1195 if (!args_excert(o, &exc))
1198 case OPT_VERIFY_RET_ERROR:
1199 verify_return_error = 1;
1201 case OPT_VERIFY_QUIET:
1204 case OPT_BUILD_CHAIN:
1213 case OPT_CHAINCAFILE:
1214 chCAfile = opt_arg();
1216 case OPT_VERIFYCAFILE:
1217 vfyCAfile = opt_arg();
1223 s_nbio = s_nbio_test = 1;
1228 case OPT_NO_IGN_EOF:
1234 case OPT_TLSEXTDEBUG:
1240 case OPT_STATUS_VERBOSE:
1241 s_tlsextstatus = tlscstatp.verbose = 1;
1243 case OPT_STATUS_TIMEOUT:
1245 tlscstatp.timeout = atoi(opt_arg());
1247 case OPT_STATUS_URL:
1248 #ifndef OPENSSL_NO_OCSP
1250 if (!OCSP_parse_url(opt_arg(),
1253 &tlscstatp.path, &tlscstatp.use_ssl)) {
1254 BIO_printf(bio_err, "Error parsing URL\n");
1263 bio_s_msg = BIO_new_file(opt_arg(), "w");
1266 #ifndef OPENSSL_NO_SSL_TRACE
1270 case OPT_SECURITY_DEBUG:
1273 case OPT_SECURITY_DEBUG_VERBOSE:
1286 s_quiet = s_brief = verify_quiet = 1;
1289 #ifndef OPENSSL_NO_DH
1293 case OPT_NO_RESUME_EPHEMERAL:
1294 no_resume_ephemeral = 1;
1297 #ifndef OPENSSL_NO_PSK
1298 psk_identity_hint = opt_arg();
1302 #ifndef OPENSSL_NO_PSK
1303 for (p = psk_key = opt_arg(); *p; p++) {
1304 if (isxdigit(_UC(*p)))
1306 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1312 #ifndef OPENSSL_NO_SRP
1313 srp_verifier_file = opt_arg();
1314 if (min_version < TLS1_VERSION)
1315 min_version = TLS1_VERSION;
1318 case OPT_SRPUSERSEED:
1319 #ifndef OPENSSL_NO_SRP
1320 srpuserseed = opt_arg();
1321 if (min_version < TLS1_VERSION)
1322 min_version = TLS1_VERSION;
1337 case OPT_SSL_CONFIG:
1338 ssl_config = opt_arg();
1341 min_version = SSL3_VERSION;
1342 max_version = SSL3_VERSION;
1345 min_version = TLS1_2_VERSION;
1346 max_version = TLS1_2_VERSION;
1349 min_version = TLS1_1_VERSION;
1350 max_version = TLS1_1_VERSION;
1353 min_version = TLS1_VERSION;
1354 max_version = TLS1_VERSION;
1357 #ifndef OPENSSL_NO_DTLS
1358 meth = DTLS_server_method();
1359 socket_type = SOCK_DGRAM;
1363 #ifndef OPENSSL_NO_DTLS
1364 meth = DTLS_server_method();
1365 min_version = DTLS1_VERSION;
1366 max_version = DTLS1_VERSION;
1367 socket_type = SOCK_DGRAM;
1371 #ifndef OPENSSL_NO_DTLS
1372 meth = DTLS_server_method();
1373 min_version = DTLS1_2_VERSION;
1374 max_version = DTLS1_2_VERSION;
1375 socket_type = SOCK_DGRAM;
1379 #ifndef OPENSSL_NO_DTLS
1380 enable_timeouts = 1;
1384 #ifndef OPENSSL_NO_DTLS
1385 socket_mtu = atol(opt_arg());
1389 #ifndef OPENSSL_NO_DTLS
1394 #ifndef OPENSSL_NO_DTLS
1399 session_id_prefix = opt_arg();
1402 engine = setup_engine(opt_arg(), 1);
1407 case OPT_SERVERNAME:
1408 tlsextcbp.servername = opt_arg();
1410 case OPT_SERVERNAME_FATAL:
1411 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1414 s_cert_file2 = opt_arg();
1417 s_key_file2 = opt_arg();
1419 case OPT_NEXTPROTONEG:
1420 # ifndef OPENSSL_NO_NEXTPROTONEG
1421 next_proto_neg_in = opt_arg();
1425 alpn_in = opt_arg();
1427 case OPT_SRTP_PROFILES:
1428 #ifndef OPENSSL_NO_SRTP
1429 srtp_profiles = opt_arg();
1432 case OPT_KEYMATEXPORT:
1433 keymatexportlabel = opt_arg();
1435 case OPT_KEYMATEXPORTLEN:
1436 keymatexportlen = atoi(opt_arg());
1441 case OPT_SPLIT_SEND_FRAG:
1442 split_send_fragment = atoi(opt_arg());
1443 if (split_send_fragment == 0) {
1445 * Not allowed - set to a deliberately bad value so we get an
1446 * error message below
1448 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1451 case OPT_MAX_PIPELINES:
1452 max_pipelines = atoi(opt_arg());
1455 read_buf_len = atoi(opt_arg());
1460 argc = opt_num_rest();
1463 #ifndef OPENSSL_NO_DTLS
1464 if (www && socket_type == SOCK_DGRAM) {
1465 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1469 if (dtlslisten && socket_type != SOCK_DGRAM) {
1470 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1476 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1478 "Can't use unix sockets and datagrams together\n");
1483 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1484 BIO_printf(bio_err, "Bad split send fragment size\n");
1488 if (max_pipelines > SSL_MAX_PIPELINES) {
1489 BIO_printf(bio_err, "Bad max pipelines value\n");
1493 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1494 BIO_printf(bio_err, "Error getting password\n");
1498 if (s_key_file == NULL)
1499 s_key_file = s_cert_file;
1501 if (s_key_file2 == NULL)
1502 s_key_file2 = s_cert_file2;
1504 if (!load_excert(&exc))
1508 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1509 "server certificate private key file");
1511 ERR_print_errors(bio_err);
1515 s_cert = load_cert(s_cert_file, s_cert_format,
1516 "server certificate file");
1519 ERR_print_errors(bio_err);
1523 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1524 "server certificate chain"))
1528 if (tlsextcbp.servername) {
1529 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1530 "second server certificate private key file");
1532 ERR_print_errors(bio_err);
1536 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1537 "second server certificate file");
1540 ERR_print_errors(bio_err);
1545 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1546 if (next_proto_neg_in) {
1548 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1549 if (next_proto.data == NULL)
1551 next_proto.len = len;
1553 next_proto.data = NULL;
1556 alpn_ctx.data = NULL;
1559 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1560 if (alpn_ctx.data == NULL)
1567 crl = load_crl(crl_file, crl_format);
1569 BIO_puts(bio_err, "Error loading CRL\n");
1570 ERR_print_errors(bio_err);
1573 crls = sk_X509_CRL_new_null();
1574 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1575 BIO_puts(bio_err, "Error adding CRL\n");
1576 ERR_print_errors(bio_err);
1584 if (s_dkey_file == NULL)
1585 s_dkey_file = s_dcert_file;
1587 s_dkey = load_key(s_dkey_file, s_dkey_format,
1588 0, dpass, engine, "second certificate private key file");
1590 ERR_print_errors(bio_err);
1594 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1595 "second server certificate file");
1598 ERR_print_errors(bio_err);
1601 if (s_dchain_file) {
1602 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1603 "second server certificate chain"))
1609 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1610 && !RAND_status()) {
1612 "warning, not much extra random data, consider using the -rand option\n");
1615 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1616 app_RAND_load_files(inrand));
1618 if (bio_s_out == NULL) {
1619 if (s_quiet && !s_debug) {
1620 bio_s_out = BIO_new(BIO_s_null());
1621 if (s_msg && !bio_s_msg)
1622 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1624 if (bio_s_out == NULL)
1625 bio_s_out = dup_bio_out(FORMAT_TEXT);
1628 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1634 s_dcert_file = NULL;
1636 s_cert_file2 = NULL;
1640 ctx = SSL_CTX_new(meth);
1642 ERR_print_errors(bio_err);
1646 ssl_ctx_security_debug(ctx, sdebug);
1648 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1649 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1651 ERR_print_errors(bio_err);
1655 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1657 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1660 if (session_id_prefix) {
1661 if (strlen(session_id_prefix) >= 32)
1663 "warning: id_prefix is too long, only one new session will be possible\n");
1664 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1665 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1666 ERR_print_errors(bio_err);
1669 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1671 SSL_CTX_set_quiet_shutdown(ctx, 1);
1673 ssl_ctx_set_excert(ctx, exc);
1676 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1678 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1680 init_session_cache_ctx(ctx);
1682 SSL_CTX_sess_set_cache_size(ctx, 128);
1685 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1687 if (split_send_fragment > 0) {
1688 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1690 if (max_pipelines > 0) {
1691 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1694 if (read_buf_len > 0) {
1695 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1698 #ifndef OPENSSL_NO_SRTP
1699 if (srtp_profiles != NULL) {
1700 /* Returns 0 on success! */
1701 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1702 BIO_printf(bio_err, "Error setting SRTP profile\n");
1703 ERR_print_errors(bio_err);
1709 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1710 ERR_print_errors(bio_err);
1713 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1714 BIO_printf(bio_err, "Error setting verify params\n");
1715 ERR_print_errors(bio_err);
1719 ssl_ctx_add_crls(ctx, crls, 0);
1720 if (!config_ctx(cctx, ssl_args, ctx))
1723 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1724 crls, crl_download)) {
1725 BIO_printf(bio_err, "Error loading store locations\n");
1726 ERR_print_errors(bio_err);
1731 ctx2 = SSL_CTX_new(meth);
1733 ERR_print_errors(bio_err);
1739 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1742 ssl_ctx_security_debug(ctx, sdebug);
1744 if (session_id_prefix) {
1745 if (strlen(session_id_prefix) >= 32)
1747 "warning: id_prefix is too long, only one new session will be possible\n");
1748 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1749 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1750 ERR_print_errors(bio_err);
1753 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1755 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1757 ssl_ctx_set_excert(ctx2, exc);
1760 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1763 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1765 init_session_cache_ctx(ctx2);
1767 SSL_CTX_sess_set_cache_size(ctx2, 128);
1770 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1772 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1774 ERR_print_errors(bio_err);
1777 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1778 BIO_printf(bio_err, "Error setting verify params\n");
1779 ERR_print_errors(bio_err);
1783 ssl_ctx_add_crls(ctx2, crls, 0);
1784 if (!config_ctx(cctx, ssl_args, ctx2))
1787 #ifndef OPENSSL_NO_NEXTPROTONEG
1788 if (next_proto.data)
1789 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1793 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1795 #ifndef OPENSSL_NO_DH
1800 dh = load_dh_param(dhfile);
1801 else if (s_cert_file)
1802 dh = load_dh_param(s_cert_file);
1805 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1807 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1809 (void)BIO_flush(bio_s_out);
1812 SSL_CTX_set_dh_auto(ctx, 1);
1813 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1814 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1815 ERR_print_errors(bio_err);
1822 DH *dh2 = load_dh_param(s_cert_file2);
1824 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1825 (void)BIO_flush(bio_s_out);
1832 SSL_CTX_set_dh_auto(ctx2, 1);
1833 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1834 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1835 ERR_print_errors(bio_err);
1844 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1847 if (s_serverinfo_file != NULL
1848 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1849 ERR_print_errors(bio_err);
1853 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1856 if (s_dcert != NULL) {
1857 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1861 if (no_resume_ephemeral) {
1862 SSL_CTX_set_not_resumable_session_callback(ctx,
1863 not_resumable_sess_cb);
1866 SSL_CTX_set_not_resumable_session_callback(ctx2,
1867 not_resumable_sess_cb);
1869 #ifndef OPENSSL_NO_PSK
1870 if (psk_key != NULL) {
1872 BIO_printf(bio_s_out,
1873 "PSK key given, setting server callback\n");
1874 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1877 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1878 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1879 ERR_print_errors(bio_err);
1884 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1885 if (!SSL_CTX_set_session_id_context(ctx,
1886 (void *)&s_server_session_id_context,
1887 sizeof s_server_session_id_context)) {
1888 BIO_printf(bio_err, "error setting session id context\n");
1889 ERR_print_errors(bio_err);
1893 /* Set DTLS cookie generation and verification callbacks */
1894 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1895 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1898 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1899 if (!SSL_CTX_set_session_id_context(ctx2,
1900 (void *)&s_server_session_id_context,
1901 sizeof s_server_session_id_context)) {
1902 BIO_printf(bio_err, "error setting session id context\n");
1903 ERR_print_errors(bio_err);
1906 tlsextcbp.biodebug = bio_s_out;
1907 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1908 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1909 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1910 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1913 #ifndef OPENSSL_NO_SRP
1914 if (srp_verifier_file != NULL) {
1915 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1916 srp_callback_parm.user = NULL;
1917 srp_callback_parm.login = NULL;
1919 SRP_VBASE_init(srp_callback_parm.vb,
1920 srp_verifier_file)) != SRP_NO_ERROR) {
1922 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1923 srp_verifier_file, ret);
1926 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
1927 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1928 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1931 if (CAfile != NULL) {
1932 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1935 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1937 #ifndef OPENSSL_NO_OCSP
1938 if (s_tlsextstatus) {
1939 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1940 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1942 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
1943 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
1948 BIO_printf(bio_s_out, "ACCEPT\n");
1949 (void)BIO_flush(bio_s_out);
1951 server_cb = rev_body;
1953 server_cb = www_body;
1955 server_cb = sv_body;
1957 if (socket_family == AF_UNIX
1958 && unlink_unix_path)
1961 do_server(&accept_socket, host, port, socket_family, socket_type,
1962 server_cb, context, naccept);
1963 print_stats(bio_s_out, ctx);
1968 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1970 EVP_PKEY_free(s_key);
1971 EVP_PKEY_free(s_dkey);
1972 sk_X509_pop_free(s_chain, X509_free);
1973 sk_X509_pop_free(s_dchain, X509_free);
1975 OPENSSL_free(dpass);
1978 X509_VERIFY_PARAM_free(vpm);
1980 OPENSSL_free(tlscstatp.host);
1981 OPENSSL_free(tlscstatp.port);
1982 OPENSSL_free(tlscstatp.path);
1985 EVP_PKEY_free(s_key2);
1986 BIO_free(serverinfo_in);
1987 #ifndef OPENSSL_NO_NEXTPROTONEG
1988 OPENSSL_free(next_proto.data);
1990 OPENSSL_free(alpn_ctx.data);
1991 ssl_excert_free(exc);
1992 sk_OPENSSL_STRING_free(ssl_args);
1993 SSL_CONF_CTX_free(cctx);
1994 BIO_free(bio_s_out);
1996 BIO_free(bio_s_msg);
1998 #ifdef CHARSET_EBCDIC
1999 BIO_meth_free(methods_ebcdic);
2004 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2006 BIO_printf(bio, "%4ld items in the session cache\n",
2007 SSL_CTX_sess_number(ssl_ctx));
2008 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2009 SSL_CTX_sess_connect(ssl_ctx));
2010 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2011 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2012 BIO_printf(bio, "%4ld client connects that finished\n",
2013 SSL_CTX_sess_connect_good(ssl_ctx));
2014 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2015 SSL_CTX_sess_accept(ssl_ctx));
2016 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2017 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2018 BIO_printf(bio, "%4ld server accepts that finished\n",
2019 SSL_CTX_sess_accept_good(ssl_ctx));
2020 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2021 BIO_printf(bio, "%4ld session cache misses\n",
2022 SSL_CTX_sess_misses(ssl_ctx));
2023 BIO_printf(bio, "%4ld session cache timeouts\n",
2024 SSL_CTX_sess_timeouts(ssl_ctx));
2025 BIO_printf(bio, "%4ld callback cache hits\n",
2026 SSL_CTX_sess_cb_hits(ssl_ctx));
2027 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2028 SSL_CTX_sess_cache_full(ssl_ctx),
2029 SSL_CTX_sess_get_cache_size(ssl_ctx));
2032 static int sv_body(int s, int stype, unsigned char *context)
2041 struct timeval timeout;
2042 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2045 struct timeval *timeoutp;
2048 buf = app_malloc(bufsize, "server buffer");
2050 if (!BIO_socket_nbio(s, 1))
2051 ERR_print_errors(bio_err);
2053 BIO_printf(bio_err, "Turned on non blocking io\n");
2059 if (s_tlsextdebug) {
2060 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2061 SSL_set_tlsext_debug_arg(con, bio_s_out);
2065 && !SSL_set_session_id_context(con,
2066 context, strlen((char *)context))) {
2067 BIO_printf(bio_err, "Error setting session id context\n");
2072 if (!SSL_clear(con)) {
2073 BIO_printf(bio_err, "Error clearing SSL connection\n");
2077 #ifndef OPENSSL_NO_DTLS
2078 if (stype == SOCK_DGRAM) {
2080 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2082 if (enable_timeouts) {
2084 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2085 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2088 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2089 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2093 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2094 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2095 DTLS_get_link_min_mtu(con));
2100 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2101 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2102 BIO_printf(bio_err, "Failed to set MTU\n");
2108 /* want to do MTU discovery */
2109 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2111 /* turn on cookie exchange */
2112 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2115 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2120 test = BIO_new(BIO_f_nbio_test());
2121 sbio = BIO_push(test, sbio);
2124 SSL_set_bio(con, sbio, sbio);
2125 SSL_set_accept_state(con);
2126 /* SSL_set_fd(con,s); */
2129 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2130 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2133 #ifndef OPENSSL_NO_SSL_TRACE
2135 SSL_set_msg_callback(con, SSL_trace);
2138 SSL_set_msg_callback(con, msg_cb);
2139 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2142 if (s_tlsextdebug) {
2143 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2144 SSL_set_tlsext_debug_arg(con, bio_s_out);
2149 int read_from_terminal;
2150 int read_from_sslcon;
2152 read_from_terminal = 0;
2153 read_from_sslcon = SSL_has_pending(con)
2154 || (async && SSL_waiting_for_async(con));
2156 if (!read_from_sslcon) {
2158 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2159 openssl_fdset(fileno(stdin), &readfds);
2161 openssl_fdset(s, &readfds);
2163 * Note: under VMS with SOCKETSHR the second parameter is
2164 * currently of type (int *) whereas under other systems it is
2165 * (void *) if you don't have a cast it will choke the compiler:
2166 * if you do have a cast then you can either go for (int *) or
2169 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2171 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2172 * only on sockets. As a workaround we timeout the select every
2173 * second and check for any keypress. In a proper Windows
2174 * application we wouldn't do this because it is inefficient.
2178 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2179 if (has_stdin_waiting())
2180 read_from_terminal = 1;
2181 if ((i < 0) || (!i && !read_from_terminal))
2184 if ((SSL_version(con) == DTLS1_VERSION) &&
2185 DTLSv1_get_timeout(con, &timeout))
2186 timeoutp = &timeout;
2190 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2192 if ((SSL_version(con) == DTLS1_VERSION)
2193 && DTLSv1_handle_timeout(con) > 0) {
2194 BIO_printf(bio_err, "TIMEOUT occurred\n");
2199 if (FD_ISSET(fileno(stdin), &readfds))
2200 read_from_terminal = 1;
2202 if (FD_ISSET(s, &readfds))
2203 read_from_sslcon = 1;
2205 if (read_from_terminal) {
2209 i = raw_read_stdin(buf, bufsize / 2);
2211 /* both loops are skipped when i <= 0 */
2212 for (j = 0; j < i; j++)
2215 for (j = i - 1; j >= 0; j--) {
2216 buf[j + lf_num] = buf[j];
2217 if (buf[j] == '\n') {
2220 buf[j + lf_num] = '\r';
2223 assert(lf_num == 0);
2225 i = raw_read_stdin(buf, bufsize);
2226 if (!s_quiet && !s_brief) {
2227 if ((i <= 0) || (buf[0] == 'Q')) {
2228 BIO_printf(bio_s_out, "DONE\n");
2229 (void)BIO_flush(bio_s_out);
2231 close_accept_socket();
2235 if ((i <= 0) || (buf[0] == 'q')) {
2236 BIO_printf(bio_s_out, "DONE\n");
2237 (void)BIO_flush(bio_s_out);
2238 if (SSL_version(con) != DTLS1_VERSION)
2241 * close_accept_socket(); ret= -11;
2245 #ifndef OPENSSL_NO_HEARTBEATS
2246 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2247 BIO_printf(bio_err, "HEARTBEATING\n");
2253 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2254 SSL_renegotiate(con);
2255 i = SSL_do_handshake(con);
2256 printf("SSL_do_handshake -> %d\n", i);
2260 * strcpy(buf,"server side RE-NEGOTIATE\n");
2263 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2265 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2267 SSL_renegotiate(con);
2268 i = SSL_do_handshake(con);
2269 printf("SSL_do_handshake -> %d\n", i);
2273 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2277 if (buf[0] == 'P') {
2278 static const char *str = "Lets print some clear text\n";
2279 BIO_write(SSL_get_wbio(con), str, strlen(str));
2281 if (buf[0] == 'S') {
2282 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2285 #ifdef CHARSET_EBCDIC
2286 ebcdic2ascii(buf, buf, i);
2290 /* should do a select for the write */
2294 if (++count == 100) {
2296 SSL_renegotiate(con);
2300 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2301 #ifndef OPENSSL_NO_SRP
2302 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2303 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2304 SRP_user_pwd_free(srp_callback_parm.user);
2305 srp_callback_parm.user =
2306 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2307 srp_callback_parm.login);
2308 if (srp_callback_parm.user)
2309 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2310 srp_callback_parm.user->info);
2312 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2313 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2316 switch (SSL_get_error(con, k)) {
2317 case SSL_ERROR_NONE:
2319 case SSL_ERROR_WANT_ASYNC:
2320 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2321 (void)BIO_flush(bio_s_out);
2322 wait_for_async(con);
2324 case SSL_ERROR_WANT_WRITE:
2325 case SSL_ERROR_WANT_READ:
2326 case SSL_ERROR_WANT_X509_LOOKUP:
2327 BIO_printf(bio_s_out, "Write BLOCK\n");
2328 (void)BIO_flush(bio_s_out);
2330 case SSL_ERROR_WANT_ASYNC_JOB:
2332 * This shouldn't ever happen in s_server. Treat as an error
2334 case SSL_ERROR_SYSCALL:
2336 BIO_printf(bio_s_out, "ERROR\n");
2337 (void)BIO_flush(bio_s_out);
2338 ERR_print_errors(bio_err);
2342 case SSL_ERROR_ZERO_RETURN:
2343 BIO_printf(bio_s_out, "DONE\n");
2344 (void)BIO_flush(bio_s_out);
2356 if (read_from_sslcon) {
2358 * init_ssl_connection handles all async events itself so if we're
2359 * waiting for async then we shouldn't go back into
2360 * init_ssl_connection
2362 if ((!async || !SSL_waiting_for_async(con))
2363 && !SSL_is_init_finished(con)) {
2364 i = init_ssl_connection(con);
2369 } else if (i == 0) {
2375 i = SSL_read(con, (char *)buf, bufsize);
2376 #ifndef OPENSSL_NO_SRP
2377 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2378 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2379 SRP_user_pwd_free(srp_callback_parm.user);
2380 srp_callback_parm.user =
2381 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2382 srp_callback_parm.login);
2383 if (srp_callback_parm.user)
2384 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2385 srp_callback_parm.user->info);
2387 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2388 i = SSL_read(con, (char *)buf, bufsize);
2391 switch (SSL_get_error(con, i)) {
2392 case SSL_ERROR_NONE:
2393 #ifdef CHARSET_EBCDIC
2394 ascii2ebcdic(buf, buf, i);
2396 raw_write_stdout(buf, (unsigned int)i);
2397 (void)BIO_flush(bio_s_out);
2398 if (SSL_has_pending(con))
2401 case SSL_ERROR_WANT_ASYNC:
2402 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2403 (void)BIO_flush(bio_s_out);
2404 wait_for_async(con);
2406 case SSL_ERROR_WANT_WRITE:
2407 case SSL_ERROR_WANT_READ:
2408 BIO_printf(bio_s_out, "Read BLOCK\n");
2409 (void)BIO_flush(bio_s_out);
2411 case SSL_ERROR_WANT_ASYNC_JOB:
2413 * This shouldn't ever happen in s_server. Treat as an error
2415 case SSL_ERROR_SYSCALL:
2417 BIO_printf(bio_s_out, "ERROR\n");
2418 (void)BIO_flush(bio_s_out);
2419 ERR_print_errors(bio_err);
2422 case SSL_ERROR_ZERO_RETURN:
2423 BIO_printf(bio_s_out, "DONE\n");
2424 (void)BIO_flush(bio_s_out);
2433 BIO_printf(bio_s_out, "shutting down SSL\n");
2434 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2437 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2438 OPENSSL_clear_free(buf, bufsize);
2440 BIO_printf(bio_s_out, "ACCEPT\n");
2441 (void)BIO_flush(bio_s_out);
2445 static void close_accept_socket(void)
2447 BIO_printf(bio_err, "shutdown accept socket\n");
2448 if (accept_socket >= 0) {
2449 BIO_closesocket(accept_socket);
2453 static int init_ssl_connection(SSL *con)
2460 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2461 const unsigned char *next_proto_neg;
2462 unsigned next_proto_neg_len;
2464 unsigned char *exportedkeymat;
2467 #ifndef OPENSSL_NO_DTLS
2469 BIO_ADDR *client = NULL;
2471 if ((client = BIO_ADDR_new()) == NULL) {
2472 BIO_printf(bio_err, "ERROR - memory\n");
2475 i = DTLSv1_listen(con, client);
2480 wbio = SSL_get_wbio(con);
2482 BIO_get_fd(wbio, &fd);
2485 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2486 BIO_printf(bio_err, "ERROR - unable to connect\n");
2487 BIO_ADDR_free(client);
2490 BIO_ADDR_free(client);
2492 i = SSL_accept(con);
2494 BIO_ADDR_free(client);
2500 i = SSL_accept(con);
2503 retry = BIO_sock_should_retry(i);
2504 #ifdef CERT_CB_TEST_RETRY
2506 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2507 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2509 "LOOKUP from certificate callback during accept\n");
2510 i = SSL_accept(con);
2512 retry = BIO_sock_should_retry(i);
2517 #ifndef OPENSSL_NO_SRP
2518 while (i <= 0 && 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);
2686 if (context && !SSL_set_session_id_context(con, context,
2687 strlen((char *)context)))
2690 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2694 test = BIO_new(BIO_f_nbio_test());
2695 sbio = BIO_push(test, sbio);
2697 SSL_set_bio(con, sbio, sbio);
2698 SSL_set_accept_state(con);
2700 /* SSL_set_fd(con,s); */
2701 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2702 BIO_push(io, ssl_bio);
2703 #ifdef CHARSET_EBCDIC
2704 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2708 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2709 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2712 #ifndef OPENSSL_NO_SSL_TRACE
2714 SSL_set_msg_callback(con, SSL_trace);
2717 SSL_set_msg_callback(con, msg_cb);
2718 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2722 i = BIO_gets(io, buf, bufsize - 1);
2723 if (i < 0) { /* error */
2724 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2726 ERR_print_errors(bio_err);
2729 BIO_printf(bio_s_out, "read R BLOCK\n");
2730 #ifndef OPENSSL_NO_SRP
2731 if (BIO_should_io_special(io)
2732 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2733 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2734 SRP_user_pwd_free(srp_callback_parm.user);
2735 srp_callback_parm.user =
2736 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2737 srp_callback_parm.login);
2738 if (srp_callback_parm.user)
2739 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2740 srp_callback_parm.user->info);
2742 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2746 #if !defined(OPENSSL_SYS_MSDOS)
2751 } else if (i == 0) { /* end of input */
2756 /* else we have data */
2757 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2758 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2761 STACK_OF(SSL_CIPHER) *sk;
2762 static const char *space = " ";
2764 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2765 if (strncmp("GET /renegcert", buf, 14) == 0)
2767 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2769 i = SSL_renegotiate(con);
2770 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2771 /* Send the HelloRequest */
2772 i = SSL_do_handshake(con);
2774 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2775 SSL_get_error(con, i));
2776 ERR_print_errors(bio_err);
2779 /* Wait for a ClientHello to come back */
2781 openssl_fdset(s, &readfds);
2782 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2783 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2784 BIO_printf(bio_s_out, "Error waiting for client response\n");
2785 ERR_print_errors(bio_err);
2789 * We're not actually expecting any data here and we ignore
2790 * any that is sent. This is just to force the handshake that
2791 * we're expecting to come from the client. If they haven't
2792 * sent one there's not much we can do.
2794 BIO_gets(io, buf, bufsize - 1);
2798 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2799 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2800 BIO_puts(io, "<pre>\n");
2801 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
2803 for (i = 0; i < local_argc; i++) {
2805 for (myp = local_argv[i]; *myp; myp++)
2808 BIO_puts(io, "<");
2811 BIO_puts(io, ">");
2814 BIO_puts(io, "&");
2817 BIO_write(io, myp, 1);
2820 BIO_write(io, " ", 1);
2825 "Secure Renegotiation IS%s supported\n",
2826 SSL_get_secure_renegotiation_support(con) ?
2830 * The following is evil and should not really be done
2832 BIO_printf(io, "Ciphers supported in s_server binary\n");
2833 sk = SSL_get_ciphers(con);
2834 j = sk_SSL_CIPHER_num(sk);
2835 for (i = 0; i < j; i++) {
2836 c = sk_SSL_CIPHER_value(sk, i);
2837 BIO_printf(io, "%-11s:%-25s ",
2838 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2839 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2843 p = SSL_get_shared_ciphers(con, buf, bufsize);
2846 "---\nCiphers common between both SSL end points:\n");
2850 BIO_write(io, space, 26 - j);
2853 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2855 BIO_write(io, p, 1);
2862 ssl_print_sigalgs(io, con);
2863 #ifndef OPENSSL_NO_EC
2864 ssl_print_curves(io, con, 0);
2866 BIO_printf(io, (SSL_session_reused(con)
2867 ? "---\nReused, " : "---\nNew, "));
2868 c = SSL_get_current_cipher(con);
2869 BIO_printf(io, "%s, Cipher is %s\n",
2870 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2871 SSL_SESSION_print(io, SSL_get_session(con));
2872 BIO_printf(io, "---\n");
2873 print_stats(io, SSL_get_SSL_CTX(con));
2874 BIO_printf(io, "---\n");
2875 peer = SSL_get_peer_certificate(con);
2877 BIO_printf(io, "Client certificate\n");
2878 X509_print(io, peer);
2879 PEM_write_bio_X509(io, peer);
2883 BIO_puts(io, "no client certificate available\n");
2884 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2886 } else if ((www == 2 || www == 3)
2887 && (strncmp("GET /", buf, 5) == 0)) {
2890 static const char *text =
2891 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2897 for (e = p; *e != '\0'; e++) {
2903 dot = (e[0] == '.') ? 2 : 0;
2906 dot = (e[0] == '.') ? 3 : 0;
2909 dot = (e[0] == '/') ? -1 : 0;
2913 dot = (e[0] == '/') ? 1 : 0;
2915 dot = (dot == 3) || (dot == -1); /* filename contains ".."
2920 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
2927 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
2933 BIO_printf(io, "'%s' is an invalid path\r\n", p);
2937 /* if a directory, do the index thang */
2938 if (app_isdir(p) > 0) {
2940 BIO_printf(io, "'%s' is a directory\r\n", p);
2944 if ((file = BIO_new_file(p, "r")) == NULL) {
2946 BIO_printf(io, "Error opening '%s'\r\n", p);
2947 ERR_print_errors(io);
2952 BIO_printf(bio_err, "FILE:%s\n", p);
2956 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2957 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2958 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2960 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2963 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2967 i = BIO_read(file, buf, bufsize);
2973 BIO_printf(bio_err, "%d\n", i);
2974 if (total_bytes > 3 * 1024) {
2976 BIO_printf(bio_err, "RENEGOTIATE\n");
2977 SSL_renegotiate(con);
2981 for (j = 0; j < i;) {
2985 if (++count == 13) {
2986 SSL_renegotiate(con);
2990 k = BIO_write(io, &(buf[j]), i - j);
2992 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con))
2995 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3009 i = (int)BIO_flush(io);
3011 if (!BIO_should_retry(io))
3017 /* make sure we re-use sessions */
3018 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3022 BIO_printf(bio_s_out, "ACCEPT\n");
3028 static int rev_body(int s, int stype, unsigned char *context)
3034 BIO *io, *ssl_bio, *sbio;
3036 buf = app_malloc(bufsize, "server rev buffer");
3037 io = BIO_new(BIO_f_buffer());
3038 ssl_bio = BIO_new(BIO_f_ssl());
3039 if ((io == NULL) || (ssl_bio == NULL))
3042 /* lets make the output buffer a reasonable size */
3043 if (!BIO_set_write_buffer_size(io, bufsize))
3046 if ((con = SSL_new(ctx)) == NULL)
3049 if (s_tlsextdebug) {
3050 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3051 SSL_set_tlsext_debug_arg(con, bio_s_out);
3053 if (context && !SSL_set_session_id_context(con, context,
3054 strlen((char *)context))) {
3055 ERR_print_errors(bio_err);
3059 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3060 SSL_set_bio(con, sbio, sbio);
3061 SSL_set_accept_state(con);
3063 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3064 BIO_push(io, ssl_bio);
3065 #ifdef CHARSET_EBCDIC
3066 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3070 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3071 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3074 #ifndef OPENSSL_NO_SSL_TRACE
3076 SSL_set_msg_callback(con, SSL_trace);
3079 SSL_set_msg_callback(con, msg_cb);
3080 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3084 i = BIO_do_handshake(io);
3087 if (!BIO_should_retry(io)) {
3088 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3089 ERR_print_errors(bio_err);
3092 #ifndef OPENSSL_NO_SRP
3093 if (BIO_should_io_special(io)
3094 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3095 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3096 SRP_user_pwd_free(srp_callback_parm.user);
3097 srp_callback_parm.user =
3098 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3099 srp_callback_parm.login);
3100 if (srp_callback_parm.user)
3101 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3102 srp_callback_parm.user->info);
3104 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3109 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3110 print_ssl_summary(con);
3113 i = BIO_gets(io, buf, bufsize - 1);
3114 if (i < 0) { /* error */
3115 if (!BIO_should_retry(io)) {
3117 ERR_print_errors(bio_err);
3120 BIO_printf(bio_s_out, "read R BLOCK\n");
3121 #ifndef OPENSSL_NO_SRP
3122 if (BIO_should_io_special(io)
3123 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3124 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3125 SRP_user_pwd_free(srp_callback_parm.user);
3126 srp_callback_parm.user =
3127 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3128 srp_callback_parm.login);
3129 if (srp_callback_parm.user)
3130 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3131 srp_callback_parm.user->info);
3133 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3137 #if !defined(OPENSSL_SYS_MSDOS)
3142 } else if (i == 0) { /* end of input */
3144 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3147 char *p = buf + i - 1;
3148 while (i && (*p == '\n' || *p == '\r')) {
3152 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3154 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3157 BUF_reverse((unsigned char *)buf, NULL, i);
3159 BIO_write(io, buf, i + 1);
3164 if (!BIO_should_retry(io))
3170 /* make sure we re-use sessions */
3171 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3180 #define MAX_SESSION_ID_ATTEMPTS 10
3181 static int generate_session_id(const SSL *ssl, unsigned char *id,
3182 unsigned int *id_len)
3184 unsigned int count = 0;
3186 if (RAND_bytes(id, *id_len) <= 0)
3189 * Prefix the session_id with the required prefix. NB: If our prefix
3190 * is too long, clip it - but there will be worse effects anyway, eg.
3191 * the server could only possibly create 1 session ID (ie. the
3192 * prefix!) so all future session negotiations will fail due to
3195 memcpy(id, session_id_prefix,
3196 (strlen(session_id_prefix) < *id_len) ?
3197 strlen(session_id_prefix) : *id_len);
3199 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3200 (++count < MAX_SESSION_ID_ATTEMPTS));
3201 if (count >= MAX_SESSION_ID_ATTEMPTS)
3207 * By default s_server uses an in-memory cache which caches SSL_SESSION
3208 * structures without any serialisation. This hides some bugs which only
3209 * become apparent in deployed servers. By implementing a basic external
3210 * session cache some issues can be debugged using s_server.
3213 typedef struct simple_ssl_session_st {
3218 struct simple_ssl_session_st *next;
3219 } simple_ssl_session;
3221 static simple_ssl_session *first = NULL;
3223 static int add_session(SSL *ssl, SSL_SESSION *session)
3225 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3228 SSL_SESSION_get_id(session, &sess->idlen);
3229 sess->derlen = i2d_SSL_SESSION(session, NULL);
3230 if (sess->derlen < 0) {
3231 BIO_printf(bio_err, "Error encoding session\n");
3236 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3237 sess->der = app_malloc(sess->derlen, "get session buffer");
3239 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3240 OPENSSL_free(sess->id);
3241 OPENSSL_free(sess->der);
3247 /* Assume it still works. */
3248 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3249 BIO_printf(bio_err, "Unexpected session encoding length\n");
3250 OPENSSL_free(sess->id);
3251 OPENSSL_free(sess->der);
3258 BIO_printf(bio_err, "New session added to external cache\n");
3262 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3265 simple_ssl_session *sess;
3267 for (sess = first; sess; sess = sess->next) {
3268 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3269 const unsigned char *p = sess->der;
3270 BIO_printf(bio_err, "Lookup session: cache hit\n");
3271 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3274 BIO_printf(bio_err, "Lookup session: cache miss\n");
3278 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3280 simple_ssl_session *sess, *prev = NULL;
3281 const unsigned char *id;
3283 id = SSL_SESSION_get_id(session, &idlen);
3284 for (sess = first; sess; sess = sess->next) {
3285 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3287 prev->next = sess->next;
3290 OPENSSL_free(sess->id);
3291 OPENSSL_free(sess->der);
3299 static void init_session_cache_ctx(SSL_CTX *sctx)
3301 SSL_CTX_set_session_cache_mode(sctx,
3302 SSL_SESS_CACHE_NO_INTERNAL |
3303 SSL_SESS_CACHE_SERVER);
3304 SSL_CTX_sess_set_new_cb(sctx, add_session);
3305 SSL_CTX_sess_set_get_cb(sctx, get_session);
3306 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3309 static void free_sessions(void)
3311 simple_ssl_session *sess, *tsess;
3312 for (sess = first; sess;) {
3313 OPENSSL_free(sess->id);
3314 OPENSSL_free(sess->der);
3317 OPENSSL_free(tsess);
3322 #endif /* OPENSSL_NO_SOCK */