2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
4 * Copyright 2005 Nokia. All rights reserved.
6 * Licensed under the OpenSSL license (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
17 /* Included before async.h to avoid some warnings */
21 #include <openssl/e_os2.h>
22 #include <openssl/async.h>
23 #include <openssl/ssl.h>
25 #ifndef OPENSSL_NO_SOCK
28 * With IPv6, it looks like Digital has mixed up the proper order of
29 * recursive header file inclusion, resulting in the compiler complaining
30 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
31 * needed to have fileno() declared correctly... So let's define u_int
33 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
35 typedef unsigned int u_int;
38 #include <openssl/bn.h>
41 #include <openssl/err.h>
42 #include <openssl/pem.h>
43 #include <openssl/x509.h>
44 #include <openssl/ssl.h>
45 #include <openssl/rand.h>
46 #include <openssl/ocsp.h>
48 # include <openssl/dh.h>
50 #ifndef OPENSSL_NO_RSA
51 # include <openssl/rsa.h>
53 #ifndef OPENSSL_NO_SRP
54 # include <openssl/srp.h>
59 #include <openssl/ebcdic.h>
61 #include "internal/sockets.h"
63 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
64 static int sv_body(int s, int stype, int prot, unsigned char *context);
65 static int www_body(int s, int stype, int prot, unsigned char *context);
66 static int rev_body(int s, int stype, int prot, unsigned char *context);
67 static void close_accept_socket(void);
68 static int init_ssl_connection(SSL *s);
69 static void print_stats(BIO *bp, SSL_CTX *ctx);
70 static int generate_session_id(SSL *ssl, unsigned char *id,
71 unsigned int *id_len);
72 static void init_session_cache_ctx(SSL_CTX *sctx);
73 static void free_sessions(void);
75 static DH *load_dh_param(const char *dhfile);
77 static void print_connection_info(SSL *con);
79 static const int bufsize = 16 * 1024;
80 static int accept_socket = -1;
82 #define TEST_CERT "server.pem"
83 #define TEST_CERT2 "server2.pem"
85 static int s_nbio = 0;
86 static int s_nbio_test = 0;
87 static int s_crlf = 0;
88 static SSL_CTX *ctx = NULL;
89 static SSL_CTX *ctx2 = NULL;
92 static BIO *bio_s_out = NULL;
93 static BIO *bio_s_msg = NULL;
94 static int s_debug = 0;
95 static int s_tlsextdebug = 0;
97 static int s_quiet = 0;
98 static int s_ign_eof = 0;
99 static int s_brief = 0;
101 static char *keymatexportlabel = NULL;
102 static int keymatexportlen = 20;
104 static int async = 0;
106 static const char *session_id_prefix = NULL;
108 #ifndef OPENSSL_NO_DTLS
109 static int enable_timeouts = 0;
110 static long socket_mtu;
114 * We define this but make it always be 0 in no-dtls builds to simplify the
117 static int dtlslisten = 0;
118 static int stateless = 0;
120 static int early_data = 0;
121 static SSL_SESSION *psksess = NULL;
123 static char *psk_identity = "Client_identity";
124 char *psk_key = NULL; /* by default PSK is not used */
126 #ifndef OPENSSL_NO_PSK
127 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
129 unsigned int max_psk_len)
135 BIO_printf(bio_s_out, "psk_server_cb\n");
136 if (identity == NULL) {
137 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
141 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
142 (int)strlen(identity), identity);
144 /* here we could lookup the given identity e.g. from a database */
145 if (strcmp(identity, psk_identity) != 0) {
146 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
147 " (got '%s' expected '%s')\n", identity, psk_identity);
150 BIO_printf(bio_s_out, "PSK client identity found\n");
153 /* convert the PSK key to binary */
154 key = OPENSSL_hexstr2buf(psk_key, &key_len);
156 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
160 if (key_len > (int)max_psk_len) {
162 "psk buffer of callback is too small (%d) for key (%ld)\n",
163 max_psk_len, key_len);
168 memcpy(psk, key, key_len);
172 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
176 BIO_printf(bio_err, "Error in PSK server callback\n");
177 (void)BIO_flush(bio_err);
178 (void)BIO_flush(bio_s_out);
183 #define TLS13_AES_128_GCM_SHA256_BYTES ((const unsigned char *)"\x13\x01")
184 #define TLS13_AES_256_GCM_SHA384_BYTES ((const unsigned char *)"\x13\x02")
186 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
187 size_t identity_len, SSL_SESSION **sess)
189 SSL_SESSION *tmpsess = NULL;
192 const SSL_CIPHER *cipher = NULL;
194 if (strlen(psk_identity) != identity_len
195 || memcmp(psk_identity, identity, identity_len) != 0) {
196 BIO_printf(bio_s_out,
197 "PSK warning: client identity not what we expected"
198 " (got '%s' expected '%s')\n", identity, psk_identity);
201 if (psksess != NULL) {
202 SSL_SESSION_up_ref(psksess);
207 key = OPENSSL_hexstr2buf(psk_key, &key_len);
209 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
214 /* We default to SHA256 */
215 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
216 if (cipher == NULL) {
217 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
222 tmpsess = SSL_SESSION_new();
224 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
225 || !SSL_SESSION_set_cipher(tmpsess, cipher)
226 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
236 #ifndef OPENSSL_NO_SRP
237 /* This is a context that we pass to callbacks */
238 typedef struct srpsrvparm_st {
243 static srpsrvparm srp_callback_parm;
246 * This callback pretends to require some asynchronous logic in order to
247 * obtain a verifier. When the callback is called for a new connection we
248 * return with a negative value. This will provoke the accept etc to return
249 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
250 * (which would normally occur after a worker has finished) and we set the
253 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
255 srpsrvparm *p = (srpsrvparm *) arg;
256 int ret = SSL3_AL_FATAL;
258 if (p->login == NULL && p->user == NULL) {
259 p->login = SSL_get_srp_username(s);
260 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
264 if (p->user == NULL) {
265 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
269 if (SSL_set_srp_server_param
270 (s, p->user->N, p->user->g, p->user->s, p->user->v,
271 p->user->info) < 0) {
272 *ad = SSL_AD_INTERNAL_ERROR;
276 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
277 p->login, p->user->info);
278 ret = SSL_ERROR_NONE;
281 SRP_user_pwd_free(p->user);
289 static int local_argc = 0;
290 static char **local_argv;
292 #ifdef CHARSET_EBCDIC
293 static int ebcdic_new(BIO *bi);
294 static int ebcdic_free(BIO *a);
295 static int ebcdic_read(BIO *b, char *out, int outl);
296 static int ebcdic_write(BIO *b, const char *in, int inl);
297 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
298 static int ebcdic_gets(BIO *bp, char *buf, int size);
299 static int ebcdic_puts(BIO *bp, const char *str);
301 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
302 static BIO_METHOD *methods_ebcdic = NULL;
304 /* This struct is "unwarranted chumminess with the compiler." */
310 static const BIO_METHOD *BIO_f_ebcdic_filter()
312 if (methods_ebcdic == NULL) {
313 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
314 "EBCDIC/ASCII filter");
315 if (methods_ebcdic == NULL
316 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
317 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
318 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
319 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
320 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
321 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
322 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
325 return methods_ebcdic;
328 static int ebcdic_new(BIO *bi)
330 EBCDIC_OUTBUFF *wbuf;
332 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
333 wbuf->alloced = 1024;
334 wbuf->buff[0] = '\0';
336 BIO_set_data(bi, wbuf);
341 static int ebcdic_free(BIO *a)
343 EBCDIC_OUTBUFF *wbuf;
347 wbuf = BIO_get_data(a);
349 BIO_set_data(a, NULL);
355 static int ebcdic_read(BIO *b, char *out, int outl)
358 BIO *next = BIO_next(b);
360 if (out == NULL || outl == 0)
365 ret = BIO_read(next, out, outl);
367 ascii2ebcdic(out, out, ret);
371 static int ebcdic_write(BIO *b, const char *in, int inl)
373 EBCDIC_OUTBUFF *wbuf;
374 BIO *next = BIO_next(b);
378 if ((in == NULL) || (inl <= 0))
383 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
385 if (inl > (num = wbuf->alloced)) {
386 num = num + num; /* double the size */
390 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
393 wbuf->buff[0] = '\0';
395 BIO_set_data(b, wbuf);
398 ebcdic2ascii(wbuf->buff, in, inl);
400 ret = BIO_write(next, wbuf->buff, inl);
405 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
408 BIO *next = BIO_next(b);
417 ret = BIO_ctrl(next, cmd, num, ptr);
423 static int ebcdic_gets(BIO *bp, char *buf, int size)
426 BIO *next = BIO_next(bp);
430 /* return(BIO_gets(bp->next_bio,buf,size));*/
431 for (i = 0; i < size - 1; ++i) {
432 ret = ebcdic_read(bp, &buf[i], 1);
435 else if (buf[i] == '\n') {
442 return (ret < 0 && i == 0) ? ret : i;
445 static int ebcdic_puts(BIO *bp, const char *str)
447 if (BIO_next(bp) == NULL)
449 return ebcdic_write(bp, str, strlen(str));
453 /* This is a context that we pass to callbacks */
454 typedef struct tlsextctx_st {
460 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
462 tlsextctx *p = (tlsextctx *) arg;
463 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
465 if (servername != NULL && p->biodebug != NULL) {
466 const char *cp = servername;
469 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
470 while ((uc = *cp++) != 0)
471 BIO_printf(p->biodebug,
472 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc);
473 BIO_printf(p->biodebug, "\"\n");
476 if (p->servername == NULL)
477 return SSL_TLSEXT_ERR_NOACK;
479 if (servername != NULL) {
480 if (strcasecmp(servername, p->servername))
481 return p->extension_error;
483 BIO_printf(p->biodebug, "Switching server context.\n");
484 SSL_set_SSL_CTX(s, ctx2);
487 return SSL_TLSEXT_ERR_OK;
490 /* Structure passed to cert status callback */
491 typedef struct tlsextstatusctx_st {
493 /* File to load OCSP Response from (or NULL if no file) */
495 /* Default responder to use */
496 char *host, *path, *port;
501 static tlsextstatusctx tlscstatp = { -1 };
503 #ifndef OPENSSL_NO_OCSP
506 * Helper function to get an OCSP_RESPONSE from a responder. This is a
507 * simplified version. It examines certificates each time and makes one OCSP
508 * responder query for each request. A full version would store details such as
509 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
510 * them until they were considered "expired".
512 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
513 OCSP_RESPONSE **resp)
515 char *host = NULL, *port = NULL, *path = NULL;
517 STACK_OF(OPENSSL_STRING) *aia = NULL;
519 X509_STORE_CTX *inctx = NULL;
521 OCSP_REQUEST *req = NULL;
522 OCSP_CERTID *id = NULL;
523 STACK_OF(X509_EXTENSION) *exts;
524 int ret = SSL_TLSEXT_ERR_NOACK;
527 /* Build up OCSP query from server certificate */
528 x = SSL_get_certificate(s);
529 aia = X509_get1_ocsp(x);
531 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
532 &host, &port, &path, &use_ssl)) {
533 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
537 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
538 sk_OPENSSL_STRING_value(aia, 0));
540 if (srctx->host == NULL) {
542 "cert_status: no AIA and no default responder URL\n");
548 use_ssl = srctx->use_ssl;
551 inctx = X509_STORE_CTX_new();
554 if (!X509_STORE_CTX_init(inctx,
555 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
558 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
559 X509_get_issuer_name(x));
561 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
564 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
565 X509_OBJECT_free(obj);
568 req = OCSP_REQUEST_new();
571 if (!OCSP_request_add0_id(req, id))
574 /* Add any extensions to the request */
575 SSL_get_tlsext_status_exts(s, &exts);
576 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
577 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
578 if (!OCSP_REQUEST_add_ext(req, ext, -1))
581 *resp = process_responder(req, host, path, port, use_ssl, NULL,
584 BIO_puts(bio_err, "cert_status: error querying responder\n");
588 ret = SSL_TLSEXT_ERR_OK;
592 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
595 * If we parsed aia we need to free; otherwise they were copied and we
602 X509_email_free(aia);
604 OCSP_CERTID_free(id);
605 OCSP_REQUEST_free(req);
606 X509_STORE_CTX_free(inctx);
611 * Certificate Status callback. This is called when a client includes a
612 * certificate status request extension. The response is either obtained from a
613 * file, or from an OCSP responder.
615 static int cert_status_cb(SSL *s, void *arg)
617 tlsextstatusctx *srctx = arg;
618 OCSP_RESPONSE *resp = NULL;
619 unsigned char *rspder = NULL;
621 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
624 BIO_puts(bio_err, "cert_status: callback called\n");
626 if (srctx->respin != NULL) {
627 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
628 if (derbio == NULL) {
629 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
632 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
635 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
639 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
640 if (ret != SSL_TLSEXT_ERR_OK)
644 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
648 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
649 if (srctx->verbose) {
650 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
651 OCSP_RESPONSE_print(bio_err, resp, 2);
654 ret = SSL_TLSEXT_ERR_OK;
657 if (ret != SSL_TLSEXT_ERR_OK)
658 ERR_print_errors(bio_err);
660 OCSP_RESPONSE_free(resp);
666 #ifndef OPENSSL_NO_NEXTPROTONEG
667 /* This is the context that we pass to next_proto_cb */
668 typedef struct tlsextnextprotoctx_st {
671 } tlsextnextprotoctx;
673 static int next_proto_cb(SSL *s, const unsigned char **data,
674 unsigned int *len, void *arg)
676 tlsextnextprotoctx *next_proto = arg;
678 *data = next_proto->data;
679 *len = next_proto->len;
681 return SSL_TLSEXT_ERR_OK;
683 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
685 /* This the context that we pass to alpn_cb */
686 typedef struct tlsextalpnctx_st {
691 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
692 const unsigned char *in, unsigned int inlen, void *arg)
694 tlsextalpnctx *alpn_ctx = arg;
697 /* We can assume that |in| is syntactically valid. */
699 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
700 for (i = 0; i < inlen;) {
702 BIO_write(bio_s_out, ", ", 2);
703 BIO_write(bio_s_out, &in[i + 1], in[i]);
706 BIO_write(bio_s_out, "\n", 1);
709 if (SSL_select_next_proto
710 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
711 inlen) != OPENSSL_NPN_NEGOTIATED) {
712 return SSL_TLSEXT_ERR_NOACK;
716 BIO_printf(bio_s_out, "ALPN protocols selected: ");
717 BIO_write(bio_s_out, *out, *outlen);
718 BIO_write(bio_s_out, "\n", 1);
721 return SSL_TLSEXT_ERR_OK;
724 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
726 /* disable resumption for sessions with forward secure ciphers */
727 return is_forward_secure;
730 typedef enum OPTION_choice {
731 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
732 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
733 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
734 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
735 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
736 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
737 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
738 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
739 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
740 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
741 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
742 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
743 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
744 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
745 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
746 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
747 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
748 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
749 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
750 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
751 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
752 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
753 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
754 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
755 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY,
762 const OPTIONS s_server_options[] = {
763 {"help", OPT_HELP, '-', "Display this summary"},
764 {"port", OPT_PORT, 'p',
765 "TCP/IP port to listen on for connections (default is " PORT ")"},
766 {"accept", OPT_ACCEPT, 's',
767 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
769 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
771 {"4", OPT_4, '-', "Use IPv4 only"},
772 {"6", OPT_6, '-', "Use IPv6 only"},
774 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
776 {"context", OPT_CONTEXT, 's', "Set session ID context"},
777 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
778 {"Verify", OPT_UPPER_V_VERIFY, 'n',
779 "Turn on peer certificate verification, must have a cert"},
780 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
781 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
782 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
783 {"serverinfo", OPT_SERVERINFO, 's',
784 "PEM serverinfo file for certificate"},
785 {"certform", OPT_CERTFORM, 'F',
786 "Certificate format (PEM or DER) PEM default"},
787 {"key", OPT_KEY, 's',
788 "Private Key if not in -cert; default is " TEST_CERT},
789 {"keyform", OPT_KEYFORM, 'f',
790 "Key format (PEM, DER or ENGINE) PEM default"},
791 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
792 {"dcert", OPT_DCERT, '<',
793 "Second certificate file to use (usually for DSA)"},
794 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
795 {"dcertform", OPT_DCERTFORM, 'F',
796 "Second certificate format (PEM or DER) PEM default"},
797 {"dkey", OPT_DKEY, '<',
798 "Second private key file to use (usually for DSA)"},
799 {"dkeyform", OPT_DKEYFORM, 'F',
800 "Second key format (PEM, DER or ENGINE) PEM default"},
801 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
802 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
803 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
804 {"debug", OPT_DEBUG, '-', "Print more output"},
805 {"msg", OPT_MSG, '-', "Show protocol messages"},
806 {"msgfile", OPT_MSGFILE, '>',
807 "File to send output of -msg or -trace, instead of stdout"},
808 {"state", OPT_STATE, '-', "Print the SSL states"},
809 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
810 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
811 {"no-CAfile", OPT_NOCAFILE, '-',
812 "Do not load the default certificates file"},
813 {"no-CApath", OPT_NOCAPATH, '-',
814 "Do not load certificates from the default certificates directory"},
815 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
816 {"quiet", OPT_QUIET, '-', "No server output"},
817 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
818 "Disable caching and tickets if ephemeral (EC)DH is used"},
819 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
820 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
821 {"servername", OPT_SERVERNAME, 's',
822 "Servername for HostName TLS extension"},
823 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
824 "mismatch send fatal alert (default warning alert)"},
825 {"cert2", OPT_CERT2, '<',
826 "Certificate file to use for servername; default is" TEST_CERT2},
827 {"key2", OPT_KEY2, '<',
828 "-Private Key file to use for servername if not in -cert2"},
829 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
830 "Hex dump of all TLS extensions received"},
831 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
832 {"id_prefix", OPT_ID_PREFIX, 's',
833 "Generate SSL/TLS session IDs prefixed by arg"},
835 {"keymatexport", OPT_KEYMATEXPORT, 's',
836 "Export keying material using label"},
837 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
838 "Export len bytes of keying material (default 20)"},
839 {"CRL", OPT_CRL, '<', "CRL file to use"},
840 {"crl_download", OPT_CRL_DOWNLOAD, '-',
841 "Download CRL from distribution points"},
842 {"cert_chain", OPT_CERT_CHAIN, '<',
843 "certificate chain file in PEM format"},
844 {"dcert_chain", OPT_DCERT_CHAIN, '<',
845 "second certificate chain file in PEM format"},
846 {"chainCApath", OPT_CHAINCAPATH, '/',
847 "use dir as certificate store path to build CA certificate chain"},
848 {"verifyCApath", OPT_VERIFYCAPATH, '/',
849 "use dir as certificate store path to verify CA certificate"},
850 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
851 {"ext_cache", OPT_EXT_CACHE, '-',
852 "Disable internal cache, setup and use external cache"},
853 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
854 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
855 "Close connection on verification error"},
856 {"verify_quiet", OPT_VERIFY_QUIET, '-',
857 "No verify output except verify errors"},
858 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
859 {"chainCAfile", OPT_CHAINCAFILE, '<',
860 "CA file for certificate chain (PEM format)"},
861 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
862 "CA file for certificate verification (PEM format)"},
863 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
864 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
865 #ifndef OPENSSL_NO_OCSP
866 {"status", OPT_STATUS, '-', "Request certificate status from server"},
867 {"status_verbose", OPT_STATUS_VERBOSE, '-',
868 "Print more output in certificate status callback"},
869 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
870 "Status request responder timeout"},
871 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
872 {"status_file", OPT_STATUS_FILE, '<',
873 "File containing DER encoded OCSP Response"},
875 #ifndef OPENSSL_NO_SSL_TRACE
876 {"trace", OPT_TRACE, '-', "trace protocol messages"},
878 {"security_debug", OPT_SECURITY_DEBUG, '-',
879 "Print output from SSL/TLS security framework"},
880 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
881 "Print more output from SSL/TLS security framework"},
882 {"brief", OPT_BRIEF, '-',
883 "Restrict output to brief summary of connection parameters"},
884 {"rev", OPT_REV, '-',
885 "act as a simple test server which just sends back with the received text reversed"},
886 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
887 {"ssl_config", OPT_SSL_CONFIG, 's',
888 "Configure SSL_CTX using the configuration 'val'"},
889 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
890 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
891 "Size used to split data for encrypt pipelines"},
892 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
893 "Maximum number of encrypt/decrypt pipelines to be used"},
894 {"read_buf", OPT_READ_BUF, 'p',
895 "Default read buffer size to be used for connections"},
899 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
900 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
901 #ifndef OPENSSL_NO_PSK
902 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
904 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
905 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
906 #ifndef OPENSSL_NO_SRP
907 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
908 {"srpuserseed", OPT_SRPUSERSEED, 's',
909 "A seed string for a default user salt"},
911 #ifndef OPENSSL_NO_SSL3
912 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
914 #ifndef OPENSSL_NO_TLS1
915 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
917 #ifndef OPENSSL_NO_TLS1_1
918 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
920 #ifndef OPENSSL_NO_TLS1_2
921 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
923 #ifndef OPENSSL_NO_TLS1_3
924 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
926 #ifndef OPENSSL_NO_DTLS
927 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
928 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
929 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
930 {"listen", OPT_LISTEN, '-',
931 "Listen for a DTLS ClientHello with a cookie and then connect"},
933 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
934 #ifndef OPENSSL_NO_DTLS1
935 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
937 #ifndef OPENSSL_NO_DTLS1_2
938 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
940 #ifndef OPENSSL_NO_SCTP
941 {"sctp", OPT_SCTP, '-', "Use SCTP"},
943 #ifndef OPENSSL_NO_DH
944 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
946 #ifndef OPENSSL_NO_NEXTPROTONEG
947 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
948 "Set the advertised protocols for the NPN extension (comma-separated list)"},
950 #ifndef OPENSSL_NO_SRTP
951 {"use_srtp", OPT_SRTP_PROFILES, 's',
952 "Offer SRTP key management with a colon-separated profile list"},
954 {"alpn", OPT_ALPN, 's',
955 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
956 #ifndef OPENSSL_NO_ENGINE
957 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
959 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
960 {"max_early_data", OPT_MAX_EARLY, 'n',
961 "The maximum number of bytes of early data as advertised in tickets"},
962 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
963 "The maximum number of bytes of early data (hard limit)"},
964 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
965 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
966 "The number of TLSv1.3 session tickets that a server will automatically issue" },
967 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
968 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
969 {NULL, OPT_EOF, 0, NULL}
972 #define IS_PROT_FLAG(o) \
973 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
974 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
976 int s_server_main(int argc, char *argv[])
978 ENGINE *engine = NULL;
979 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
980 SSL_CONF_CTX *cctx = NULL;
981 const SSL_METHOD *meth = TLS_server_method();
982 SSL_EXCERT *exc = NULL;
983 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
984 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
985 STACK_OF(X509_CRL) *crls = NULL;
986 X509 *s_cert = NULL, *s_dcert = NULL;
987 X509_VERIFY_PARAM *vpm = NULL;
988 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
989 char *dpassarg = NULL, *dpass = NULL;
990 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
991 char *crl_file = NULL, *prog;
993 int unlink_unix_path = 0;
995 do_server_cb server_cb;
996 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
997 #ifndef OPENSSL_NO_DH
1001 int nocert = 0, ret = 1;
1002 int noCApath = 0, noCAfile = 0;
1003 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1004 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1005 int rev = 0, naccept = -1, sdebug = 0;
1006 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1007 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1009 char *port = BUF_strdup(PORT);
1010 unsigned char *context = NULL;
1012 EVP_PKEY *s_key2 = NULL;
1013 X509 *s_cert2 = NULL;
1014 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1015 const char *ssl_config = NULL;
1016 int read_buf_len = 0;
1017 #ifndef OPENSSL_NO_NEXTPROTONEG
1018 const char *next_proto_neg_in = NULL;
1019 tlsextnextprotoctx next_proto = { NULL, 0 };
1021 const char *alpn_in = NULL;
1022 tlsextalpnctx alpn_ctx = { NULL, 0 };
1023 #ifndef OPENSSL_NO_PSK
1024 /* by default do not send a PSK identity hint */
1025 char *psk_identity_hint = NULL;
1028 #ifndef OPENSSL_NO_SRP
1029 char *srpuserseed = NULL;
1030 char *srp_verifier_file = NULL;
1032 #ifndef OPENSSL_NO_SRTP
1033 char *srtp_profiles = NULL;
1035 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1036 int s_server_verify = SSL_VERIFY_NONE;
1037 int s_server_session_id_context = 1; /* anything will do */
1038 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1039 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1040 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1041 #ifndef OPENSSL_NO_OCSP
1042 int s_tlsextstatus = 0;
1044 int no_resume_ephemeral = 0;
1045 unsigned int max_send_fragment = 0;
1046 unsigned int split_send_fragment = 0, max_pipelines = 0;
1047 const char *s_serverinfo_file = NULL;
1048 const char *keylog_file = NULL;
1049 int max_early_data = -1, recv_max_early_data = -1;
1050 char *psksessf = NULL;
1052 /* Init of few remaining global variables */
1057 s_nbio = s_nbio_test = 0;
1066 cctx = SSL_CONF_CTX_new();
1067 vpm = X509_VERIFY_PARAM_new();
1068 if (cctx == NULL || vpm == NULL)
1070 SSL_CONF_CTX_set_flags(cctx,
1071 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1073 prog = opt_init(argc, argv, s_server_options);
1074 while ((o = opt_next()) != OPT_EOF) {
1075 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1076 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1079 if (IS_NO_PROT_FLAG(o))
1081 if (prot_opt == 1 && no_prot_opt) {
1083 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1090 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1093 opt_help(s_server_options);
1099 if (socket_family == AF_UNIX) {
1100 OPENSSL_free(host); host = NULL;
1101 OPENSSL_free(port); port = NULL;
1104 socket_family = AF_INET;
1110 if (socket_family == AF_UNIX) {
1111 OPENSSL_free(host); host = NULL;
1112 OPENSSL_free(port); port = NULL;
1115 socket_family = AF_INET6;
1118 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1124 if (socket_family == AF_UNIX) {
1125 socket_family = AF_UNSPEC;
1128 OPENSSL_free(port); port = NULL;
1129 OPENSSL_free(host); host = NULL;
1130 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1132 "%s: -port argument malformed or ambiguous\n",
1139 if (socket_family == AF_UNIX) {
1140 socket_family = AF_UNSPEC;
1143 OPENSSL_free(port); port = NULL;
1144 OPENSSL_free(host); host = NULL;
1145 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1147 "%s: -accept argument malformed or ambiguous\n",
1154 socket_family = AF_UNIX;
1155 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1156 OPENSSL_free(port); port = NULL;
1159 unlink_unix_path = 1;
1163 naccept = atol(opt_arg());
1166 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1167 verify_args.depth = atoi(opt_arg());
1169 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1171 case OPT_UPPER_V_VERIFY:
1173 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1174 SSL_VERIFY_CLIENT_ONCE;
1175 verify_args.depth = atoi(opt_arg());
1178 "verify depth is %d, must return a certificate\n",
1182 context = (unsigned char *)opt_arg();
1185 s_cert_file = opt_arg();
1188 if (!set_nameopt(opt_arg()))
1192 crl_file = opt_arg();
1194 case OPT_CRL_DOWNLOAD:
1197 case OPT_SERVERINFO:
1198 s_serverinfo_file = opt_arg();
1201 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1205 s_key_file = opt_arg();
1208 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1212 passarg = opt_arg();
1214 case OPT_CERT_CHAIN:
1215 s_chain_file = opt_arg();
1218 #ifndef OPENSSL_NO_DH
1223 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1227 s_dcert_file = opt_arg();
1230 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1234 dpassarg = opt_arg();
1237 s_dkey_file = opt_arg();
1239 case OPT_DCERT_CHAIN:
1240 s_dchain_file = opt_arg();
1251 case OPT_CHAINCAPATH:
1252 chCApath = opt_arg();
1254 case OPT_VERIFYCAPATH:
1255 vfyCApath = opt_arg();
1264 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1268 case OPT_S_NUM_TICKETS:
1269 case OPT_ANTI_REPLAY:
1270 case OPT_NO_ANTI_REPLAY:
1271 if (ssl_args == NULL)
1272 ssl_args = sk_OPENSSL_STRING_new_null();
1273 if (ssl_args == NULL
1274 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1275 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1276 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1281 if (!opt_verify(o, vpm))
1286 if (!args_excert(o, &exc))
1289 case OPT_VERIFY_RET_ERROR:
1290 verify_args.return_error = 1;
1292 case OPT_VERIFY_QUIET:
1293 verify_args.quiet = 1;
1295 case OPT_BUILD_CHAIN:
1304 case OPT_CHAINCAFILE:
1305 chCAfile = opt_arg();
1307 case OPT_VERIFYCAFILE:
1308 vfyCAfile = opt_arg();
1314 s_nbio = s_nbio_test = 1;
1319 case OPT_NO_IGN_EOF:
1325 case OPT_TLSEXTDEBUG:
1329 #ifndef OPENSSL_NO_OCSP
1333 case OPT_STATUS_VERBOSE:
1334 #ifndef OPENSSL_NO_OCSP
1335 s_tlsextstatus = tlscstatp.verbose = 1;
1338 case OPT_STATUS_TIMEOUT:
1339 #ifndef OPENSSL_NO_OCSP
1341 tlscstatp.timeout = atoi(opt_arg());
1344 case OPT_STATUS_URL:
1345 #ifndef OPENSSL_NO_OCSP
1347 if (!OCSP_parse_url(opt_arg(),
1350 &tlscstatp.path, &tlscstatp.use_ssl)) {
1351 BIO_printf(bio_err, "Error parsing URL\n");
1356 case OPT_STATUS_FILE:
1357 #ifndef OPENSSL_NO_OCSP
1359 tlscstatp.respin = opt_arg();
1366 bio_s_msg = BIO_new_file(opt_arg(), "w");
1369 #ifndef OPENSSL_NO_SSL_TRACE
1373 case OPT_SECURITY_DEBUG:
1376 case OPT_SECURITY_DEBUG_VERBOSE:
1389 s_quiet = s_brief = verify_args.quiet = 1;
1392 #ifndef OPENSSL_NO_DH
1396 case OPT_NO_RESUME_EPHEMERAL:
1397 no_resume_ephemeral = 1;
1399 case OPT_PSK_IDENTITY:
1400 psk_identity = opt_arg();
1403 #ifndef OPENSSL_NO_PSK
1404 psk_identity_hint = opt_arg();
1408 for (p = psk_key = opt_arg(); *p; p++) {
1409 if (isxdigit(_UC(*p)))
1411 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1416 psksessf = opt_arg();
1419 #ifndef OPENSSL_NO_SRP
1420 srp_verifier_file = opt_arg();
1421 if (min_version < TLS1_VERSION)
1422 min_version = TLS1_VERSION;
1425 case OPT_SRPUSERSEED:
1426 #ifndef OPENSSL_NO_SRP
1427 srpuserseed = opt_arg();
1428 if (min_version < TLS1_VERSION)
1429 min_version = TLS1_VERSION;
1444 case OPT_SSL_CONFIG:
1445 ssl_config = opt_arg();
1448 min_version = SSL3_VERSION;
1449 max_version = SSL3_VERSION;
1452 min_version = TLS1_3_VERSION;
1453 max_version = TLS1_3_VERSION;
1456 min_version = TLS1_2_VERSION;
1457 max_version = TLS1_2_VERSION;
1460 min_version = TLS1_1_VERSION;
1461 max_version = TLS1_1_VERSION;
1464 min_version = TLS1_VERSION;
1465 max_version = TLS1_VERSION;
1468 #ifndef OPENSSL_NO_DTLS
1469 meth = DTLS_server_method();
1470 socket_type = SOCK_DGRAM;
1474 #ifndef OPENSSL_NO_DTLS
1475 meth = DTLS_server_method();
1476 min_version = DTLS1_VERSION;
1477 max_version = DTLS1_VERSION;
1478 socket_type = SOCK_DGRAM;
1482 #ifndef OPENSSL_NO_DTLS
1483 meth = DTLS_server_method();
1484 min_version = DTLS1_2_VERSION;
1485 max_version = DTLS1_2_VERSION;
1486 socket_type = SOCK_DGRAM;
1490 #ifndef OPENSSL_NO_SCTP
1491 protocol = IPPROTO_SCTP;
1495 #ifndef OPENSSL_NO_DTLS
1496 enable_timeouts = 1;
1500 #ifndef OPENSSL_NO_DTLS
1501 socket_mtu = atol(opt_arg());
1505 #ifndef OPENSSL_NO_DTLS
1513 session_id_prefix = opt_arg();
1516 engine = setup_engine(opt_arg(), 1);
1522 case OPT_SERVERNAME:
1523 tlsextcbp.servername = opt_arg();
1525 case OPT_SERVERNAME_FATAL:
1526 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1529 s_cert_file2 = opt_arg();
1532 s_key_file2 = opt_arg();
1534 case OPT_NEXTPROTONEG:
1535 # ifndef OPENSSL_NO_NEXTPROTONEG
1536 next_proto_neg_in = opt_arg();
1540 alpn_in = opt_arg();
1542 case OPT_SRTP_PROFILES:
1543 #ifndef OPENSSL_NO_SRTP
1544 srtp_profiles = opt_arg();
1547 case OPT_KEYMATEXPORT:
1548 keymatexportlabel = opt_arg();
1550 case OPT_KEYMATEXPORTLEN:
1551 keymatexportlen = atoi(opt_arg());
1556 case OPT_MAX_SEND_FRAG:
1557 max_send_fragment = atoi(opt_arg());
1559 case OPT_SPLIT_SEND_FRAG:
1560 split_send_fragment = atoi(opt_arg());
1562 case OPT_MAX_PIPELINES:
1563 max_pipelines = atoi(opt_arg());
1566 read_buf_len = atoi(opt_arg());
1568 case OPT_KEYLOG_FILE:
1569 keylog_file = opt_arg();
1572 max_early_data = atoi(opt_arg());
1573 if (max_early_data < 0) {
1574 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1578 case OPT_RECV_MAX_EARLY:
1579 recv_max_early_data = atoi(opt_arg());
1580 if (recv_max_early_data < 0) {
1581 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1585 case OPT_EARLY_DATA:
1587 if (max_early_data == -1)
1588 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1592 argc = opt_num_rest();
1595 #ifndef OPENSSL_NO_NEXTPROTONEG
1596 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1597 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1601 #ifndef OPENSSL_NO_DTLS
1602 if (www && socket_type == SOCK_DGRAM) {
1603 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1607 if (dtlslisten && socket_type != SOCK_DGRAM) {
1608 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1613 if (stateless && socket_type != SOCK_STREAM) {
1614 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1619 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1621 "Can't use unix sockets and datagrams together\n");
1626 #ifndef OPENSSL_NO_SCTP
1627 if (protocol == IPPROTO_SCTP) {
1628 if (socket_type != SOCK_DGRAM) {
1629 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1632 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1633 socket_type = SOCK_STREAM;
1637 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1638 BIO_printf(bio_err, "Error getting password\n");
1642 if (s_key_file == NULL)
1643 s_key_file = s_cert_file;
1645 if (s_key_file2 == NULL)
1646 s_key_file2 = s_cert_file2;
1648 if (!load_excert(&exc))
1652 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1653 "server certificate private key file");
1654 if (s_key == NULL) {
1655 ERR_print_errors(bio_err);
1659 s_cert = load_cert(s_cert_file, s_cert_format,
1660 "server certificate file");
1662 if (s_cert == NULL) {
1663 ERR_print_errors(bio_err);
1666 if (s_chain_file != NULL) {
1667 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1668 "server certificate chain"))
1672 if (tlsextcbp.servername != NULL) {
1673 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1674 "second server certificate private key file");
1675 if (s_key2 == NULL) {
1676 ERR_print_errors(bio_err);
1680 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1681 "second server certificate file");
1683 if (s_cert2 == NULL) {
1684 ERR_print_errors(bio_err);
1689 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1690 if (next_proto_neg_in) {
1691 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1692 if (next_proto.data == NULL)
1696 alpn_ctx.data = NULL;
1698 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1699 if (alpn_ctx.data == NULL)
1703 if (crl_file != NULL) {
1705 crl = load_crl(crl_file, crl_format);
1707 BIO_puts(bio_err, "Error loading CRL\n");
1708 ERR_print_errors(bio_err);
1711 crls = sk_X509_CRL_new_null();
1712 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1713 BIO_puts(bio_err, "Error adding CRL\n");
1714 ERR_print_errors(bio_err);
1720 if (s_dcert_file != NULL) {
1722 if (s_dkey_file == NULL)
1723 s_dkey_file = s_dcert_file;
1725 s_dkey = load_key(s_dkey_file, s_dkey_format,
1726 0, dpass, engine, "second certificate private key file");
1727 if (s_dkey == NULL) {
1728 ERR_print_errors(bio_err);
1732 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1733 "second server certificate file");
1735 if (s_dcert == NULL) {
1736 ERR_print_errors(bio_err);
1739 if (s_dchain_file != NULL) {
1740 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1741 "second server certificate chain"))
1747 if (bio_s_out == NULL) {
1748 if (s_quiet && !s_debug) {
1749 bio_s_out = BIO_new(BIO_s_null());
1750 if (s_msg && bio_s_msg == NULL)
1751 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1753 if (bio_s_out == NULL)
1754 bio_s_out = dup_bio_out(FORMAT_TEXT);
1757 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1763 s_dcert_file = NULL;
1765 s_cert_file2 = NULL;
1769 ctx = SSL_CTX_new(meth);
1771 ERR_print_errors(bio_err);
1775 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1778 ssl_ctx_security_debug(ctx, sdebug);
1780 if (!config_ctx(cctx, ssl_args, ctx))
1784 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1785 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1787 ERR_print_errors(bio_err);
1791 if (min_version != 0
1792 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1794 if (max_version != 0
1795 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1798 if (session_id_prefix) {
1799 if (strlen(session_id_prefix) >= 32)
1801 "warning: id_prefix is too long, only one new session will be possible\n");
1802 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1803 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1804 ERR_print_errors(bio_err);
1807 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1809 SSL_CTX_set_quiet_shutdown(ctx, 1);
1811 ssl_ctx_set_excert(ctx, exc);
1814 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1816 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1818 init_session_cache_ctx(ctx);
1820 SSL_CTX_sess_set_cache_size(ctx, 128);
1823 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1826 if (max_send_fragment > 0
1827 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1828 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1829 prog, max_send_fragment);
1833 if (split_send_fragment > 0
1834 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1835 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1836 prog, split_send_fragment);
1839 if (max_pipelines > 0
1840 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1841 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1842 prog, max_pipelines);
1846 if (read_buf_len > 0) {
1847 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1849 #ifndef OPENSSL_NO_SRTP
1850 if (srtp_profiles != NULL) {
1851 /* Returns 0 on success! */
1852 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1853 BIO_printf(bio_err, "Error setting SRTP profile\n");
1854 ERR_print_errors(bio_err);
1860 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1861 ERR_print_errors(bio_err);
1864 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1865 BIO_printf(bio_err, "Error setting verify params\n");
1866 ERR_print_errors(bio_err);
1870 ssl_ctx_add_crls(ctx, crls, 0);
1872 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1873 crls, crl_download)) {
1874 BIO_printf(bio_err, "Error loading store locations\n");
1875 ERR_print_errors(bio_err);
1880 ctx2 = SSL_CTX_new(meth);
1882 ERR_print_errors(bio_err);
1888 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1891 ssl_ctx_security_debug(ctx, sdebug);
1893 if (session_id_prefix) {
1894 if (strlen(session_id_prefix) >= 32)
1896 "warning: id_prefix is too long, only one new session will be possible\n");
1897 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1898 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1899 ERR_print_errors(bio_err);
1902 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1904 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1906 ssl_ctx_set_excert(ctx2, exc);
1909 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1912 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1914 init_session_cache_ctx(ctx2);
1916 SSL_CTX_sess_set_cache_size(ctx2, 128);
1919 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1921 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1923 ERR_print_errors(bio_err);
1926 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1927 BIO_printf(bio_err, "Error setting verify params\n");
1928 ERR_print_errors(bio_err);
1932 ssl_ctx_add_crls(ctx2, crls, 0);
1933 if (!config_ctx(cctx, ssl_args, ctx2))
1936 #ifndef OPENSSL_NO_NEXTPROTONEG
1937 if (next_proto.data)
1938 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1942 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1944 #ifndef OPENSSL_NO_DH
1949 dh = load_dh_param(dhfile);
1950 else if (s_cert_file != NULL)
1951 dh = load_dh_param(s_cert_file);
1954 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1956 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1958 (void)BIO_flush(bio_s_out);
1961 SSL_CTX_set_dh_auto(ctx, 1);
1962 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1963 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1964 ERR_print_errors(bio_err);
1971 DH *dh2 = load_dh_param(s_cert_file2);
1973 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1974 (void)BIO_flush(bio_s_out);
1981 SSL_CTX_set_dh_auto(ctx2, 1);
1982 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1983 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1984 ERR_print_errors(bio_err);
1993 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1996 if (s_serverinfo_file != NULL
1997 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1998 ERR_print_errors(bio_err);
2003 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
2006 if (s_dcert != NULL) {
2007 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2011 if (no_resume_ephemeral) {
2012 SSL_CTX_set_not_resumable_session_callback(ctx,
2013 not_resumable_sess_cb);
2016 SSL_CTX_set_not_resumable_session_callback(ctx2,
2017 not_resumable_sess_cb);
2019 #ifndef OPENSSL_NO_PSK
2020 if (psk_key != NULL) {
2022 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2023 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2026 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2027 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2028 ERR_print_errors(bio_err);
2032 if (psksessf != NULL) {
2033 BIO *stmp = BIO_new_file(psksessf, "r");
2036 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2037 ERR_print_errors(bio_err);
2040 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2042 if (psksess == NULL) {
2043 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2044 ERR_print_errors(bio_err);
2050 if (psk_key != NULL || psksess != NULL)
2051 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2053 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2054 if (!SSL_CTX_set_session_id_context(ctx,
2055 (void *)&s_server_session_id_context,
2056 sizeof(s_server_session_id_context))) {
2057 BIO_printf(bio_err, "error setting session id context\n");
2058 ERR_print_errors(bio_err);
2062 /* Set DTLS cookie generation and verification callbacks */
2063 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2064 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2066 /* Set TLS1.3 cookie generation and verification callbacks */
2067 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2068 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2071 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2072 if (!SSL_CTX_set_session_id_context(ctx2,
2073 (void *)&s_server_session_id_context,
2074 sizeof(s_server_session_id_context))) {
2075 BIO_printf(bio_err, "error setting session id context\n");
2076 ERR_print_errors(bio_err);
2079 tlsextcbp.biodebug = bio_s_out;
2080 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2081 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2082 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2083 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2086 #ifndef OPENSSL_NO_SRP
2087 if (srp_verifier_file != NULL) {
2088 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2089 srp_callback_parm.user = NULL;
2090 srp_callback_parm.login = NULL;
2092 SRP_VBASE_init(srp_callback_parm.vb,
2093 srp_verifier_file)) != SRP_NO_ERROR) {
2095 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2096 srp_verifier_file, ret);
2099 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2100 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2101 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2104 if (CAfile != NULL) {
2105 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2108 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2110 #ifndef OPENSSL_NO_OCSP
2111 if (s_tlsextstatus) {
2112 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2113 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2115 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2116 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2120 if (set_keylog_file(ctx, keylog_file))
2123 if (max_early_data >= 0)
2124 SSL_CTX_set_max_early_data(ctx, max_early_data);
2125 if (recv_max_early_data >= 0)
2126 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2129 server_cb = rev_body;
2131 server_cb = www_body;
2133 server_cb = sv_body;
2135 if (socket_family == AF_UNIX
2136 && unlink_unix_path)
2139 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2140 server_cb, context, naccept, bio_s_out);
2141 print_stats(bio_s_out, ctx);
2145 SSL_SESSION_free(psksess);
2146 set_keylog_file(NULL, NULL);
2148 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2150 EVP_PKEY_free(s_key);
2151 EVP_PKEY_free(s_dkey);
2152 sk_X509_pop_free(s_chain, X509_free);
2153 sk_X509_pop_free(s_dchain, X509_free);
2155 OPENSSL_free(dpass);
2158 X509_VERIFY_PARAM_free(vpm);
2160 OPENSSL_free(tlscstatp.host);
2161 OPENSSL_free(tlscstatp.port);
2162 OPENSSL_free(tlscstatp.path);
2165 EVP_PKEY_free(s_key2);
2166 #ifndef OPENSSL_NO_NEXTPROTONEG
2167 OPENSSL_free(next_proto.data);
2169 OPENSSL_free(alpn_ctx.data);
2170 ssl_excert_free(exc);
2171 sk_OPENSSL_STRING_free(ssl_args);
2172 SSL_CONF_CTX_free(cctx);
2173 release_engine(engine);
2174 BIO_free(bio_s_out);
2176 BIO_free(bio_s_msg);
2178 #ifdef CHARSET_EBCDIC
2179 BIO_meth_free(methods_ebcdic);
2184 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2186 BIO_printf(bio, "%4ld items in the session cache\n",
2187 SSL_CTX_sess_number(ssl_ctx));
2188 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2189 SSL_CTX_sess_connect(ssl_ctx));
2190 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2191 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2192 BIO_printf(bio, "%4ld client connects that finished\n",
2193 SSL_CTX_sess_connect_good(ssl_ctx));
2194 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2195 SSL_CTX_sess_accept(ssl_ctx));
2196 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2197 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2198 BIO_printf(bio, "%4ld server accepts that finished\n",
2199 SSL_CTX_sess_accept_good(ssl_ctx));
2200 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2201 BIO_printf(bio, "%4ld session cache misses\n",
2202 SSL_CTX_sess_misses(ssl_ctx));
2203 BIO_printf(bio, "%4ld session cache timeouts\n",
2204 SSL_CTX_sess_timeouts(ssl_ctx));
2205 BIO_printf(bio, "%4ld callback cache hits\n",
2206 SSL_CTX_sess_cb_hits(ssl_ctx));
2207 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2208 SSL_CTX_sess_cache_full(ssl_ctx),
2209 SSL_CTX_sess_get_cache_size(ssl_ctx));
2212 static int sv_body(int s, int stype, int prot, unsigned char *context)
2221 struct timeval timeout;
2222 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2223 struct timeval *timeoutp;
2225 #ifndef OPENSSL_NO_DTLS
2226 # ifndef OPENSSL_NO_SCTP
2227 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2229 int isdtls = (stype == SOCK_DGRAM);
2233 buf = app_malloc(bufsize, "server buffer");
2235 if (!BIO_socket_nbio(s, 1))
2236 ERR_print_errors(bio_err);
2238 BIO_printf(bio_err, "Turned on non blocking io\n");
2247 if (s_tlsextdebug) {
2248 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2249 SSL_set_tlsext_debug_arg(con, bio_s_out);
2253 && !SSL_set_session_id_context(con, context,
2254 strlen((char *)context))) {
2255 BIO_printf(bio_err, "Error setting session id context\n");
2260 if (!SSL_clear(con)) {
2261 BIO_printf(bio_err, "Error clearing SSL connection\n");
2265 #ifndef OPENSSL_NO_DTLS
2267 # ifndef OPENSSL_NO_SCTP
2268 if (prot == IPPROTO_SCTP)
2269 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2272 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2274 if (enable_timeouts) {
2276 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2277 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2280 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2281 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2285 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2286 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2287 DTLS_get_link_min_mtu(con));
2292 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2293 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2294 BIO_printf(bio_err, "Failed to set MTU\n");
2300 /* want to do MTU discovery */
2301 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2303 # ifndef OPENSSL_NO_SCTP
2304 if (prot != IPPROTO_SCTP)
2306 /* Turn on cookie exchange. Not necessary for SCTP */
2307 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2310 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2313 BIO_printf(bio_err, "Unable to create BIO\n");
2314 ERR_print_errors(bio_err);
2321 test = BIO_new(BIO_f_nbio_test());
2322 sbio = BIO_push(test, sbio);
2325 SSL_set_bio(con, sbio, sbio);
2326 SSL_set_accept_state(con);
2327 /* SSL_set_fd(con,s); */
2330 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2331 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2334 #ifndef OPENSSL_NO_SSL_TRACE
2336 SSL_set_msg_callback(con, SSL_trace);
2339 SSL_set_msg_callback(con, msg_cb);
2340 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2343 if (s_tlsextdebug) {
2344 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2345 SSL_set_tlsext_debug_arg(con, bio_s_out);
2349 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2352 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2354 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2355 if (edret != SSL_READ_EARLY_DATA_ERROR)
2358 switch (SSL_get_error(con, 0)) {
2359 case SSL_ERROR_WANT_WRITE:
2360 case SSL_ERROR_WANT_ASYNC:
2361 case SSL_ERROR_WANT_READ:
2362 /* Just keep trying - busy waiting */
2365 BIO_printf(bio_err, "Error reading early data\n");
2366 ERR_print_errors(bio_err);
2370 if (readbytes > 0) {
2372 BIO_printf(bio_s_out, "Early data received:\n");
2375 raw_write_stdout(buf, (unsigned int)readbytes);
2376 (void)BIO_flush(bio_s_out);
2380 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2381 BIO_printf(bio_s_out, "No early data received\n");
2383 BIO_printf(bio_s_out, "Early data was rejected\n");
2385 BIO_printf(bio_s_out, "\nEnd of early data\n");
2387 if (SSL_is_init_finished(con))
2388 print_connection_info(con);
2391 if (fileno_stdin() > s)
2392 width = fileno_stdin() + 1;
2396 int read_from_terminal;
2397 int read_from_sslcon;
2399 read_from_terminal = 0;
2400 read_from_sslcon = SSL_has_pending(con)
2401 || (async && SSL_waiting_for_async(con));
2403 if (!read_from_sslcon) {
2405 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2406 openssl_fdset(fileno_stdin(), &readfds);
2408 openssl_fdset(s, &readfds);
2410 * Note: under VMS with SOCKETSHR the second parameter is
2411 * currently of type (int *) whereas under other systems it is
2412 * (void *) if you don't have a cast it will choke the compiler:
2413 * if you do have a cast then you can either go for (int *) or
2416 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2418 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2419 * only on sockets. As a workaround we timeout the select every
2420 * second and check for any keypress. In a proper Windows
2421 * application we wouldn't do this because it is inefficient.
2424 timeout.tv_usec = 0;
2425 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2426 if (has_stdin_waiting())
2427 read_from_terminal = 1;
2428 if ((i < 0) || (!i && !read_from_terminal))
2431 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2432 timeoutp = &timeout;
2436 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2438 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2439 BIO_printf(bio_err, "TIMEOUT occurred\n");
2443 if (FD_ISSET(fileno_stdin(), &readfds))
2444 read_from_terminal = 1;
2446 if (FD_ISSET(s, &readfds))
2447 read_from_sslcon = 1;
2449 if (read_from_terminal) {
2453 i = raw_read_stdin(buf, bufsize / 2);
2455 /* both loops are skipped when i <= 0 */
2456 for (j = 0; j < i; j++)
2459 for (j = i - 1; j >= 0; j--) {
2460 buf[j + lf_num] = buf[j];
2461 if (buf[j] == '\n') {
2464 buf[j + lf_num] = '\r';
2467 assert(lf_num == 0);
2469 i = raw_read_stdin(buf, bufsize);
2472 if (!s_quiet && !s_brief) {
2473 if ((i <= 0) || (buf[0] == 'Q')) {
2474 BIO_printf(bio_s_out, "DONE\n");
2475 (void)BIO_flush(bio_s_out);
2477 close_accept_socket();
2481 if ((i <= 0) || (buf[0] == 'q')) {
2482 BIO_printf(bio_s_out, "DONE\n");
2483 (void)BIO_flush(bio_s_out);
2484 if (SSL_version(con) != DTLS1_VERSION)
2487 * close_accept_socket(); ret= -11;
2491 #ifndef OPENSSL_NO_HEARTBEATS
2492 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2493 BIO_printf(bio_err, "HEARTBEATING\n");
2499 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2500 SSL_renegotiate(con);
2501 i = SSL_do_handshake(con);
2502 printf("SSL_do_handshake -> %d\n", i);
2506 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2508 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2510 SSL_renegotiate(con);
2511 i = SSL_do_handshake(con);
2512 printf("SSL_do_handshake -> %d\n", i);
2516 if ((buf[0] == 'K' || buf[0] == 'k')
2517 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2518 SSL_key_update(con, buf[0] == 'K' ?
2519 SSL_KEY_UPDATE_REQUESTED
2520 : SSL_KEY_UPDATE_NOT_REQUESTED);
2521 i = SSL_do_handshake(con);
2522 printf("SSL_do_handshake -> %d\n", i);
2526 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2527 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2528 i = SSL_verify_client_post_handshake(con);
2530 printf("Failed to initiate request\n");
2531 ERR_print_errors(bio_err);
2533 i = SSL_do_handshake(con);
2534 printf("SSL_do_handshake -> %d\n", i);
2539 if (buf[0] == 'P') {
2540 static const char *str = "Lets print some clear text\n";
2541 BIO_write(SSL_get_wbio(con), str, strlen(str));
2543 if (buf[0] == 'S') {
2544 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2547 #ifdef CHARSET_EBCDIC
2548 ebcdic2ascii(buf, buf, i);
2552 /* should do a select for the write */
2555 if (++count == 100) {
2557 SSL_renegotiate(con);
2560 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2561 #ifndef OPENSSL_NO_SRP
2562 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2563 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2564 SRP_user_pwd_free(srp_callback_parm.user);
2565 srp_callback_parm.user =
2566 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2567 srp_callback_parm.login);
2568 if (srp_callback_parm.user)
2569 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2570 srp_callback_parm.user->info);
2572 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2573 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2576 switch (SSL_get_error(con, k)) {
2577 case SSL_ERROR_NONE:
2579 case SSL_ERROR_WANT_ASYNC:
2580 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2581 (void)BIO_flush(bio_s_out);
2582 wait_for_async(con);
2584 case SSL_ERROR_WANT_WRITE:
2585 case SSL_ERROR_WANT_READ:
2586 case SSL_ERROR_WANT_X509_LOOKUP:
2587 BIO_printf(bio_s_out, "Write BLOCK\n");
2588 (void)BIO_flush(bio_s_out);
2590 case SSL_ERROR_WANT_ASYNC_JOB:
2592 * This shouldn't ever happen in s_server. Treat as an error
2594 case SSL_ERROR_SYSCALL:
2596 BIO_printf(bio_s_out, "ERROR\n");
2597 (void)BIO_flush(bio_s_out);
2598 ERR_print_errors(bio_err);
2602 case SSL_ERROR_ZERO_RETURN:
2603 BIO_printf(bio_s_out, "DONE\n");
2604 (void)BIO_flush(bio_s_out);
2616 if (read_from_sslcon) {
2618 * init_ssl_connection handles all async events itself so if we're
2619 * waiting for async then we shouldn't go back into
2620 * init_ssl_connection
2622 if ((!async || !SSL_waiting_for_async(con))
2623 && !SSL_is_init_finished(con)) {
2624 i = init_ssl_connection(con);
2629 } else if (i == 0) {
2635 i = SSL_read(con, (char *)buf, bufsize);
2636 #ifndef OPENSSL_NO_SRP
2637 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2638 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2639 SRP_user_pwd_free(srp_callback_parm.user);
2640 srp_callback_parm.user =
2641 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2642 srp_callback_parm.login);
2643 if (srp_callback_parm.user)
2644 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2645 srp_callback_parm.user->info);
2647 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2648 i = SSL_read(con, (char *)buf, bufsize);
2651 switch (SSL_get_error(con, i)) {
2652 case SSL_ERROR_NONE:
2653 #ifdef CHARSET_EBCDIC
2654 ascii2ebcdic(buf, buf, i);
2656 raw_write_stdout(buf, (unsigned int)i);
2657 (void)BIO_flush(bio_s_out);
2658 if (SSL_has_pending(con))
2661 case SSL_ERROR_WANT_ASYNC:
2662 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2663 (void)BIO_flush(bio_s_out);
2664 wait_for_async(con);
2666 case SSL_ERROR_WANT_WRITE:
2667 case SSL_ERROR_WANT_READ:
2668 BIO_printf(bio_s_out, "Read BLOCK\n");
2669 (void)BIO_flush(bio_s_out);
2671 case SSL_ERROR_WANT_ASYNC_JOB:
2673 * This shouldn't ever happen in s_server. Treat as an error
2675 case SSL_ERROR_SYSCALL:
2677 BIO_printf(bio_s_out, "ERROR\n");
2678 (void)BIO_flush(bio_s_out);
2679 ERR_print_errors(bio_err);
2682 case SSL_ERROR_ZERO_RETURN:
2683 BIO_printf(bio_s_out, "DONE\n");
2684 (void)BIO_flush(bio_s_out);
2693 BIO_printf(bio_s_out, "shutting down SSL\n");
2694 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2697 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2698 OPENSSL_clear_free(buf, bufsize);
2702 static void close_accept_socket(void)
2704 BIO_printf(bio_err, "shutdown accept socket\n");
2705 if (accept_socket >= 0) {
2706 BIO_closesocket(accept_socket);
2710 static int is_retryable(SSL *con, int i)
2712 int err = SSL_get_error(con, i);
2714 /* If it's not a fatal error, it must be retryable */
2715 return (err != SSL_ERROR_SSL)
2716 && (err != SSL_ERROR_SYSCALL)
2717 && (err != SSL_ERROR_ZERO_RETURN);
2720 static int init_ssl_connection(SSL *con)
2726 if (dtlslisten || stateless) {
2727 BIO_ADDR *client = NULL;
2730 if ((client = BIO_ADDR_new()) == NULL) {
2731 BIO_printf(bio_err, "ERROR - memory\n");
2734 i = DTLSv1_listen(con, client);
2736 i = SSL_stateless(con);
2743 wbio = SSL_get_wbio(con);
2745 BIO_get_fd(wbio, &fd);
2748 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2749 BIO_printf(bio_err, "ERROR - unable to connect\n");
2750 BIO_ADDR_free(client);
2753 BIO_ADDR_free(client);
2758 i = SSL_accept(con);
2760 BIO_ADDR_free(client);
2764 i = SSL_accept(con);
2767 retry = is_retryable(con, i);
2768 #ifdef CERT_CB_TEST_RETRY
2771 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2772 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2774 "LOOKUP from certificate callback during accept\n");
2775 i = SSL_accept(con);
2777 retry = is_retryable(con, i);
2782 #ifndef OPENSSL_NO_SRP
2784 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2785 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2786 srp_callback_parm.login);
2787 SRP_user_pwd_free(srp_callback_parm.user);
2788 srp_callback_parm.user =
2789 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2790 srp_callback_parm.login);
2791 if (srp_callback_parm.user)
2792 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2793 srp_callback_parm.user->info);
2795 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2796 i = SSL_accept(con);
2798 retry = is_retryable(con, i);
2801 } while (i < 0 && SSL_waiting_for_async(con));
2805 if (((dtlslisten || stateless) && i == 0)
2806 || (!dtlslisten && !stateless && retry)) {
2807 BIO_printf(bio_s_out, "DELAY\n");
2811 BIO_printf(bio_err, "ERROR\n");
2813 verify_err = SSL_get_verify_result(con);
2814 if (verify_err != X509_V_OK) {
2815 BIO_printf(bio_err, "verify error:%s\n",
2816 X509_verify_cert_error_string(verify_err));
2818 /* Always print any error messages */
2819 ERR_print_errors(bio_err);
2823 print_connection_info(con);
2827 static void print_connection_info(SSL *con)
2832 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2833 const unsigned char *next_proto_neg;
2834 unsigned next_proto_neg_len;
2836 unsigned char *exportedkeymat;
2840 print_ssl_summary(con);
2842 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2844 peer = SSL_get_peer_certificate(con);
2846 BIO_printf(bio_s_out, "Client certificate\n");
2847 PEM_write_bio_X509(bio_s_out, peer);
2848 dump_cert_text(bio_s_out, peer);
2853 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2854 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2855 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2856 ssl_print_sigalgs(bio_s_out, con);
2857 #ifndef OPENSSL_NO_EC
2858 ssl_print_point_formats(bio_s_out, con);
2859 ssl_print_groups(bio_s_out, con, 0);
2861 print_ca_names(bio_s_out, con);
2862 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2864 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2865 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2866 if (next_proto_neg) {
2867 BIO_printf(bio_s_out, "NEXTPROTO is ");
2868 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2869 BIO_printf(bio_s_out, "\n");
2872 #ifndef OPENSSL_NO_SRTP
2874 SRTP_PROTECTION_PROFILE *srtp_profile
2875 = SSL_get_selected_srtp_profile(con);
2878 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2879 srtp_profile->name);
2882 if (SSL_session_reused(con))
2883 BIO_printf(bio_s_out, "Reused session-id\n");
2884 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2885 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2886 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2887 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2889 if (keymatexportlabel != NULL) {
2890 BIO_printf(bio_s_out, "Keying material exporter:\n");
2891 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2892 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2893 exportedkeymat = app_malloc(keymatexportlen, "export key");
2894 if (!SSL_export_keying_material(con, exportedkeymat,
2897 strlen(keymatexportlabel),
2899 BIO_printf(bio_s_out, " Error\n");
2901 BIO_printf(bio_s_out, " Keying material: ");
2902 for (i = 0; i < keymatexportlen; i++)
2903 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2904 BIO_printf(bio_s_out, "\n");
2906 OPENSSL_free(exportedkeymat);
2909 (void)BIO_flush(bio_s_out);
2912 #ifndef OPENSSL_NO_DH
2913 static DH *load_dh_param(const char *dhfile)
2918 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2920 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2927 static int www_body(int s, int stype, int prot, unsigned char *context)
2933 const SSL_CIPHER *c;
2934 BIO *io, *ssl_bio, *sbio;
2936 int total_bytes = 0;
2941 /* Set width for a select call if needed */
2944 buf = app_malloc(bufsize, "server www buffer");
2945 io = BIO_new(BIO_f_buffer());
2946 ssl_bio = BIO_new(BIO_f_ssl());
2947 if ((io == NULL) || (ssl_bio == NULL))
2951 if (!BIO_socket_nbio(s, 1))
2952 ERR_print_errors(bio_err);
2954 BIO_printf(bio_err, "Turned on non blocking io\n");
2957 /* lets make the output buffer a reasonable size */
2958 if (!BIO_set_write_buffer_size(io, bufsize))
2961 if ((con = SSL_new(ctx)) == NULL)
2964 if (s_tlsextdebug) {
2965 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2966 SSL_set_tlsext_debug_arg(con, bio_s_out);
2970 && !SSL_set_session_id_context(con, context,
2971 strlen((char *)context)))
2974 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2978 test = BIO_new(BIO_f_nbio_test());
2979 sbio = BIO_push(test, sbio);
2981 SSL_set_bio(con, sbio, sbio);
2982 SSL_set_accept_state(con);
2984 /* SSL_set_fd(con,s); */
2985 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2986 BIO_push(io, ssl_bio);
2987 #ifdef CHARSET_EBCDIC
2988 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2992 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2993 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2996 #ifndef OPENSSL_NO_SSL_TRACE
2998 SSL_set_msg_callback(con, SSL_trace);
3001 SSL_set_msg_callback(con, msg_cb);
3002 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3006 i = BIO_gets(io, buf, bufsize - 1);
3007 if (i < 0) { /* error */
3008 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3010 ERR_print_errors(bio_err);
3013 BIO_printf(bio_s_out, "read R BLOCK\n");
3014 #ifndef OPENSSL_NO_SRP
3015 if (BIO_should_io_special(io)
3016 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3017 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3018 SRP_user_pwd_free(srp_callback_parm.user);
3019 srp_callback_parm.user =
3020 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3021 srp_callback_parm.login);
3022 if (srp_callback_parm.user)
3023 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3024 srp_callback_parm.user->info);
3026 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3030 #if !defined(OPENSSL_SYS_MSDOS)
3035 } else if (i == 0) { /* end of input */
3040 /* else we have data */
3041 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3042 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3045 STACK_OF(SSL_CIPHER) *sk;
3046 static const char *space = " ";
3048 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3049 if (strncmp("GET /renegcert", buf, 14) == 0)
3051 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3053 i = SSL_renegotiate(con);
3054 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3055 /* Send the HelloRequest */
3056 i = SSL_do_handshake(con);
3058 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3059 SSL_get_error(con, i));
3060 ERR_print_errors(bio_err);
3063 /* Wait for a ClientHello to come back */
3065 openssl_fdset(s, &readfds);
3066 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3067 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3068 BIO_printf(bio_s_out,
3069 "Error waiting for client response\n");
3070 ERR_print_errors(bio_err);
3074 * We're not actually expecting any data here and we ignore
3075 * any that is sent. This is just to force the handshake that
3076 * we're expecting to come from the client. If they haven't
3077 * sent one there's not much we can do.
3079 BIO_gets(io, buf, bufsize - 1);
3083 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3084 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3085 BIO_puts(io, "<pre>\n");
3086 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3088 for (i = 0; i < local_argc; i++) {
3090 for (myp = local_argv[i]; *myp; myp++)
3093 BIO_puts(io, "<");
3096 BIO_puts(io, ">");
3099 BIO_puts(io, "&");
3102 BIO_write(io, myp, 1);
3105 BIO_write(io, " ", 1);
3110 "Secure Renegotiation IS%s supported\n",
3111 SSL_get_secure_renegotiation_support(con) ?
3115 * The following is evil and should not really be done
3117 BIO_printf(io, "Ciphers supported in s_server binary\n");
3118 sk = SSL_get_ciphers(con);
3119 j = sk_SSL_CIPHER_num(sk);
3120 for (i = 0; i < j; i++) {
3121 c = sk_SSL_CIPHER_value(sk, i);
3122 BIO_printf(io, "%-11s:%-25s ",
3123 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3124 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3128 p = SSL_get_shared_ciphers(con, buf, bufsize);
3131 "---\nCiphers common between both SSL end points:\n");
3135 BIO_write(io, space, 26 - j);
3138 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3140 BIO_write(io, p, 1);
3147 ssl_print_sigalgs(io, con);
3148 #ifndef OPENSSL_NO_EC
3149 ssl_print_groups(io, con, 0);
3151 print_ca_names(io, con);
3152 BIO_printf(io, (SSL_session_reused(con)
3153 ? "---\nReused, " : "---\nNew, "));
3154 c = SSL_get_current_cipher(con);
3155 BIO_printf(io, "%s, Cipher is %s\n",
3156 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3157 SSL_SESSION_print(io, SSL_get_session(con));
3158 BIO_printf(io, "---\n");
3159 print_stats(io, SSL_get_SSL_CTX(con));
3160 BIO_printf(io, "---\n");
3161 peer = SSL_get_peer_certificate(con);
3163 BIO_printf(io, "Client certificate\n");
3164 X509_print(io, peer);
3165 PEM_write_bio_X509(io, peer);
3169 BIO_puts(io, "no client certificate available\n");
3171 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3173 } else if ((www == 2 || www == 3)
3174 && (strncmp("GET /", buf, 5) == 0)) {
3177 static const char *text =
3178 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3184 for (e = p; *e != '\0'; e++) {
3190 dot = (e[0] == '.') ? 2 : 0;
3193 dot = (e[0] == '.') ? 3 : 0;
3196 dot = (e[0] == '/') ? -1 : 0;
3200 dot = (e[0] == '/') ? 1 : 0;
3202 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3207 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3214 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3220 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3224 /* if a directory, do the index thang */
3225 if (app_isdir(p) > 0) {
3227 BIO_printf(io, "'%s' is a directory\r\n", p);
3231 if ((file = BIO_new_file(p, "r")) == NULL) {
3233 BIO_printf(io, "Error opening '%s'\r\n", p);
3234 ERR_print_errors(io);
3239 BIO_printf(bio_err, "FILE:%s\n", p);
3243 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3244 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3245 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3247 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3250 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3254 i = BIO_read(file, buf, bufsize);
3260 BIO_printf(bio_err, "%d\n", i);
3261 if (total_bytes > 3 * 1024) {
3263 BIO_printf(bio_err, "RENEGOTIATE\n");
3264 SSL_renegotiate(con);
3268 for (j = 0; j < i;) {
3271 if (++count == 13) {
3272 SSL_renegotiate(con);
3275 k = BIO_write(io, &(buf[j]), i - j);
3277 if (!BIO_should_retry(io)
3278 && !SSL_waiting_for_async(con))
3281 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3295 i = (int)BIO_flush(io);
3297 if (!BIO_should_retry(io))
3303 /* make sure we re-use sessions */
3304 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3312 static int rev_body(int s, int stype, int prot, unsigned char *context)
3318 BIO *io, *ssl_bio, *sbio;
3320 buf = app_malloc(bufsize, "server rev buffer");
3321 io = BIO_new(BIO_f_buffer());
3322 ssl_bio = BIO_new(BIO_f_ssl());
3323 if ((io == NULL) || (ssl_bio == NULL))
3326 /* lets make the output buffer a reasonable size */
3327 if (!BIO_set_write_buffer_size(io, bufsize))
3330 if ((con = SSL_new(ctx)) == NULL)
3333 if (s_tlsextdebug) {
3334 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3335 SSL_set_tlsext_debug_arg(con, bio_s_out);
3338 && !SSL_set_session_id_context(con, context,
3339 strlen((char *)context))) {
3340 ERR_print_errors(bio_err);
3344 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3345 SSL_set_bio(con, sbio, sbio);
3346 SSL_set_accept_state(con);
3348 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3349 BIO_push(io, ssl_bio);
3350 #ifdef CHARSET_EBCDIC
3351 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3355 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3356 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3359 #ifndef OPENSSL_NO_SSL_TRACE
3361 SSL_set_msg_callback(con, SSL_trace);
3364 SSL_set_msg_callback(con, msg_cb);
3365 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3369 i = BIO_do_handshake(io);
3372 if (!BIO_should_retry(io)) {
3373 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3374 ERR_print_errors(bio_err);
3377 #ifndef OPENSSL_NO_SRP
3378 if (BIO_should_io_special(io)
3379 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3380 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3381 SRP_user_pwd_free(srp_callback_parm.user);
3382 srp_callback_parm.user =
3383 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3384 srp_callback_parm.login);
3385 if (srp_callback_parm.user)
3386 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3387 srp_callback_parm.user->info);
3389 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3394 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3395 print_ssl_summary(con);
3398 i = BIO_gets(io, buf, bufsize - 1);
3399 if (i < 0) { /* error */
3400 if (!BIO_should_retry(io)) {
3402 ERR_print_errors(bio_err);
3405 BIO_printf(bio_s_out, "read R BLOCK\n");
3406 #ifndef OPENSSL_NO_SRP
3407 if (BIO_should_io_special(io)
3408 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3409 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3410 SRP_user_pwd_free(srp_callback_parm.user);
3411 srp_callback_parm.user =
3412 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3413 srp_callback_parm.login);
3414 if (srp_callback_parm.user)
3415 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3416 srp_callback_parm.user->info);
3418 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3422 #if !defined(OPENSSL_SYS_MSDOS)
3427 } else if (i == 0) { /* end of input */
3429 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3432 char *p = buf + i - 1;
3433 while (i && (*p == '\n' || *p == '\r')) {
3437 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3439 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3442 BUF_reverse((unsigned char *)buf, NULL, i);
3444 BIO_write(io, buf, i + 1);
3449 if (!BIO_should_retry(io))
3455 /* make sure we re-use sessions */
3456 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3465 #define MAX_SESSION_ID_ATTEMPTS 10
3466 static int generate_session_id(SSL *ssl, unsigned char *id,
3467 unsigned int *id_len)
3469 unsigned int count = 0;
3471 if (RAND_bytes(id, *id_len) <= 0)
3474 * Prefix the session_id with the required prefix. NB: If our prefix
3475 * is too long, clip it - but there will be worse effects anyway, eg.
3476 * the server could only possibly create 1 session ID (ie. the
3477 * prefix!) so all future session negotiations will fail due to
3480 memcpy(id, session_id_prefix,
3481 (strlen(session_id_prefix) < *id_len) ?
3482 strlen(session_id_prefix) : *id_len);
3484 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3485 (++count < MAX_SESSION_ID_ATTEMPTS));
3486 if (count >= MAX_SESSION_ID_ATTEMPTS)
3492 * By default s_server uses an in-memory cache which caches SSL_SESSION
3493 * structures without any serialisation. This hides some bugs which only
3494 * become apparent in deployed servers. By implementing a basic external
3495 * session cache some issues can be debugged using s_server.
3498 typedef struct simple_ssl_session_st {
3503 struct simple_ssl_session_st *next;
3504 } simple_ssl_session;
3506 static simple_ssl_session *first = NULL;
3508 static int add_session(SSL *ssl, SSL_SESSION *session)
3510 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3513 SSL_SESSION_get_id(session, &sess->idlen);
3514 sess->derlen = i2d_SSL_SESSION(session, NULL);
3515 if (sess->derlen < 0) {
3516 BIO_printf(bio_err, "Error encoding session\n");
3521 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3522 sess->der = app_malloc(sess->derlen, "get session buffer");
3524 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3525 OPENSSL_free(sess->id);
3526 OPENSSL_free(sess->der);
3532 /* Assume it still works. */
3533 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3534 BIO_printf(bio_err, "Unexpected session encoding length\n");
3535 OPENSSL_free(sess->id);
3536 OPENSSL_free(sess->der);