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 Apache License 2.0 (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 static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
128 #ifndef OPENSSL_NO_PSK
129 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
131 unsigned int max_psk_len)
137 BIO_printf(bio_s_out, "psk_server_cb\n");
138 if (identity == NULL) {
139 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
143 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
144 (int)strlen(identity), identity);
146 /* here we could lookup the given identity e.g. from a database */
147 if (strcmp(identity, psk_identity) != 0) {
148 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
149 " (got '%s' expected '%s')\n", identity, psk_identity);
152 BIO_printf(bio_s_out, "PSK client identity found\n");
155 /* convert the PSK key to binary */
156 key = OPENSSL_hexstr2buf(psk_key, &key_len);
158 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
162 if (key_len > (int)max_psk_len) {
164 "psk buffer of callback is too small (%d) for key (%ld)\n",
165 max_psk_len, key_len);
170 memcpy(psk, key, key_len);
174 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
178 BIO_printf(bio_err, "Error in PSK server callback\n");
179 (void)BIO_flush(bio_err);
180 (void)BIO_flush(bio_s_out);
185 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
186 size_t identity_len, SSL_SESSION **sess)
188 SSL_SESSION *tmpsess = NULL;
191 const SSL_CIPHER *cipher = NULL;
193 if (strlen(psk_identity) != identity_len
194 || memcmp(psk_identity, identity, identity_len) != 0) {
199 if (psksess != NULL) {
200 SSL_SESSION_up_ref(psksess);
205 key = OPENSSL_hexstr2buf(psk_key, &key_len);
207 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
212 /* We default to SHA256 */
213 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
214 if (cipher == NULL) {
215 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
220 tmpsess = SSL_SESSION_new();
222 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
223 || !SSL_SESSION_set_cipher(tmpsess, cipher)
224 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
234 #ifndef OPENSSL_NO_SRP
235 /* This is a context that we pass to callbacks */
236 typedef struct srpsrvparm_st {
241 static srpsrvparm srp_callback_parm;
244 * This callback pretends to require some asynchronous logic in order to
245 * obtain a verifier. When the callback is called for a new connection we
246 * return with a negative value. This will provoke the accept etc to return
247 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
248 * (which would normally occur after a worker has finished) and we set the
251 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
253 srpsrvparm *p = (srpsrvparm *) arg;
254 int ret = SSL3_AL_FATAL;
256 if (p->login == NULL && p->user == NULL) {
257 p->login = SSL_get_srp_username(s);
258 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
262 if (p->user == NULL) {
263 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
267 if (SSL_set_srp_server_param
268 (s, p->user->N, p->user->g, p->user->s, p->user->v,
269 p->user->info) < 0) {
270 *ad = SSL_AD_INTERNAL_ERROR;
274 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
275 p->login, p->user->info);
276 ret = SSL_ERROR_NONE;
279 SRP_user_pwd_free(p->user);
287 static int local_argc = 0;
288 static char **local_argv;
290 #ifdef CHARSET_EBCDIC
291 static int ebcdic_new(BIO *bi);
292 static int ebcdic_free(BIO *a);
293 static int ebcdic_read(BIO *b, char *out, int outl);
294 static int ebcdic_write(BIO *b, const char *in, int inl);
295 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
296 static int ebcdic_gets(BIO *bp, char *buf, int size);
297 static int ebcdic_puts(BIO *bp, const char *str);
299 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
300 static BIO_METHOD *methods_ebcdic = NULL;
302 /* This struct is "unwarranted chumminess with the compiler." */
308 static const BIO_METHOD *BIO_f_ebcdic_filter()
310 if (methods_ebcdic == NULL) {
311 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
312 "EBCDIC/ASCII filter");
313 if (methods_ebcdic == NULL
314 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
315 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
316 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
317 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
318 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
319 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
320 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
323 return methods_ebcdic;
326 static int ebcdic_new(BIO *bi)
328 EBCDIC_OUTBUFF *wbuf;
330 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
331 wbuf->alloced = 1024;
332 wbuf->buff[0] = '\0';
334 BIO_set_data(bi, wbuf);
339 static int ebcdic_free(BIO *a)
341 EBCDIC_OUTBUFF *wbuf;
345 wbuf = BIO_get_data(a);
347 BIO_set_data(a, NULL);
353 static int ebcdic_read(BIO *b, char *out, int outl)
356 BIO *next = BIO_next(b);
358 if (out == NULL || outl == 0)
363 ret = BIO_read(next, out, outl);
365 ascii2ebcdic(out, out, ret);
369 static int ebcdic_write(BIO *b, const char *in, int inl)
371 EBCDIC_OUTBUFF *wbuf;
372 BIO *next = BIO_next(b);
376 if ((in == NULL) || (inl <= 0))
381 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
383 if (inl > (num = wbuf->alloced)) {
384 num = num + num; /* double the size */
388 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
391 wbuf->buff[0] = '\0';
393 BIO_set_data(b, wbuf);
396 ebcdic2ascii(wbuf->buff, in, inl);
398 ret = BIO_write(next, wbuf->buff, inl);
403 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
406 BIO *next = BIO_next(b);
415 ret = BIO_ctrl(next, cmd, num, ptr);
421 static int ebcdic_gets(BIO *bp, char *buf, int size)
424 BIO *next = BIO_next(bp);
428 /* return(BIO_gets(bp->next_bio,buf,size));*/
429 for (i = 0; i < size - 1; ++i) {
430 ret = ebcdic_read(bp, &buf[i], 1);
433 else if (buf[i] == '\n') {
440 return (ret < 0 && i == 0) ? ret : i;
443 static int ebcdic_puts(BIO *bp, const char *str)
445 if (BIO_next(bp) == NULL)
447 return ebcdic_write(bp, str, strlen(str));
451 /* This is a context that we pass to callbacks */
452 typedef struct tlsextctx_st {
458 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
460 tlsextctx *p = (tlsextctx *) arg;
461 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
463 if (servername != NULL && p->biodebug != NULL) {
464 const char *cp = servername;
467 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
468 while ((uc = *cp++) != 0)
469 BIO_printf(p->biodebug,
470 (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
471 BIO_printf(p->biodebug, "\"\n");
474 if (p->servername == NULL)
475 return SSL_TLSEXT_ERR_NOACK;
477 if (servername != NULL) {
478 if (strcasecmp(servername, p->servername))
479 return p->extension_error;
481 BIO_printf(p->biodebug, "Switching server context.\n");
482 SSL_set_SSL_CTX(s, ctx2);
485 return SSL_TLSEXT_ERR_OK;
488 /* Structure passed to cert status callback */
489 typedef struct tlsextstatusctx_st {
491 /* File to load OCSP Response from (or NULL if no file) */
493 /* Default responder to use */
494 char *host, *path, *port;
499 static tlsextstatusctx tlscstatp = { -1 };
501 #ifndef OPENSSL_NO_OCSP
504 * Helper function to get an OCSP_RESPONSE from a responder. This is a
505 * simplified version. It examines certificates each time and makes one OCSP
506 * responder query for each request. A full version would store details such as
507 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
508 * them until they were considered "expired".
510 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
511 OCSP_RESPONSE **resp)
513 char *host = NULL, *port = NULL, *path = NULL;
515 STACK_OF(OPENSSL_STRING) *aia = NULL;
517 X509_STORE_CTX *inctx = NULL;
519 OCSP_REQUEST *req = NULL;
520 OCSP_CERTID *id = NULL;
521 STACK_OF(X509_EXTENSION) *exts;
522 int ret = SSL_TLSEXT_ERR_NOACK;
525 /* Build up OCSP query from server certificate */
526 x = SSL_get_certificate(s);
527 aia = X509_get1_ocsp(x);
529 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
530 &host, &port, &path, &use_ssl)) {
531 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
535 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
536 sk_OPENSSL_STRING_value(aia, 0));
538 if (srctx->host == NULL) {
540 "cert_status: no AIA and no default responder URL\n");
546 use_ssl = srctx->use_ssl;
549 inctx = X509_STORE_CTX_new();
552 if (!X509_STORE_CTX_init(inctx,
553 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
556 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
557 X509_get_issuer_name(x));
559 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
562 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
563 X509_OBJECT_free(obj);
566 req = OCSP_REQUEST_new();
569 if (!OCSP_request_add0_id(req, id))
572 /* Add any extensions to the request */
573 SSL_get_tlsext_status_exts(s, &exts);
574 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
575 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
576 if (!OCSP_REQUEST_add_ext(req, ext, -1))
579 *resp = process_responder(req, host, path, port, use_ssl, NULL,
582 BIO_puts(bio_err, "cert_status: error querying responder\n");
586 ret = SSL_TLSEXT_ERR_OK;
590 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
593 * If we parsed aia we need to free; otherwise they were copied and we
600 X509_email_free(aia);
602 OCSP_CERTID_free(id);
603 OCSP_REQUEST_free(req);
604 X509_STORE_CTX_free(inctx);
609 * Certificate Status callback. This is called when a client includes a
610 * certificate status request extension. The response is either obtained from a
611 * file, or from an OCSP responder.
613 static int cert_status_cb(SSL *s, void *arg)
615 tlsextstatusctx *srctx = arg;
616 OCSP_RESPONSE *resp = NULL;
617 unsigned char *rspder = NULL;
619 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
622 BIO_puts(bio_err, "cert_status: callback called\n");
624 if (srctx->respin != NULL) {
625 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
626 if (derbio == NULL) {
627 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
630 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
633 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
637 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
638 if (ret != SSL_TLSEXT_ERR_OK)
642 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
646 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
647 if (srctx->verbose) {
648 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
649 OCSP_RESPONSE_print(bio_err, resp, 2);
652 ret = SSL_TLSEXT_ERR_OK;
655 if (ret != SSL_TLSEXT_ERR_OK)
656 ERR_print_errors(bio_err);
658 OCSP_RESPONSE_free(resp);
664 #ifndef OPENSSL_NO_NEXTPROTONEG
665 /* This is the context that we pass to next_proto_cb */
666 typedef struct tlsextnextprotoctx_st {
669 } tlsextnextprotoctx;
671 static int next_proto_cb(SSL *s, const unsigned char **data,
672 unsigned int *len, void *arg)
674 tlsextnextprotoctx *next_proto = arg;
676 *data = next_proto->data;
677 *len = next_proto->len;
679 return SSL_TLSEXT_ERR_OK;
681 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
683 /* This the context that we pass to alpn_cb */
684 typedef struct tlsextalpnctx_st {
689 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
690 const unsigned char *in, unsigned int inlen, void *arg)
692 tlsextalpnctx *alpn_ctx = arg;
695 /* We can assume that |in| is syntactically valid. */
697 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
698 for (i = 0; i < inlen;) {
700 BIO_write(bio_s_out, ", ", 2);
701 BIO_write(bio_s_out, &in[i + 1], in[i]);
704 BIO_write(bio_s_out, "\n", 1);
707 if (SSL_select_next_proto
708 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
709 inlen) != OPENSSL_NPN_NEGOTIATED) {
710 return SSL_TLSEXT_ERR_NOACK;
714 BIO_printf(bio_s_out, "ALPN protocols selected: ");
715 BIO_write(bio_s_out, *out, *outlen);
716 BIO_write(bio_s_out, "\n", 1);
719 return SSL_TLSEXT_ERR_OK;
722 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
724 /* disable resumption for sessions with forward secure ciphers */
725 return is_forward_secure;
728 typedef enum OPTION_choice {
729 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
730 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
731 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
732 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
733 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
734 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
735 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
736 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
737 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
738 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
739 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
740 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
741 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
742 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
743 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
744 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
745 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
746 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
747 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
748 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
749 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
750 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
751 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
752 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
753 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
754 OPT_HTTP_SERVER_BINMODE,
761 const OPTIONS s_server_options[] = {
762 {"help", OPT_HELP, '-', "Display this summary"},
763 {"port", OPT_PORT, 'p',
764 "TCP/IP port to listen on for connections (default is " PORT ")"},
765 {"accept", OPT_ACCEPT, 's',
766 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
768 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
770 {"4", OPT_4, '-', "Use IPv4 only"},
771 {"6", OPT_6, '-', "Use IPv6 only"},
773 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
775 {"context", OPT_CONTEXT, 's', "Set session ID context"},
776 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
777 {"Verify", OPT_UPPER_V_VERIFY, 'n',
778 "Turn on peer certificate verification, must have a cert"},
779 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
780 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
781 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
782 {"serverinfo", OPT_SERVERINFO, 's',
783 "PEM serverinfo file for certificate"},
784 {"certform", OPT_CERTFORM, 'F',
785 "Certificate format (PEM or DER) PEM default"},
786 {"key", OPT_KEY, 's',
787 "Private Key if not in -cert; default is " TEST_CERT},
788 {"keyform", OPT_KEYFORM, 'f',
789 "Key format (PEM, DER or ENGINE) PEM default"},
790 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
791 {"dcert", OPT_DCERT, '<',
792 "Second certificate file to use (usually for DSA)"},
793 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
794 {"dcertform", OPT_DCERTFORM, 'F',
795 "Second certificate format (PEM or DER) PEM default"},
796 {"dkey", OPT_DKEY, '<',
797 "Second private key file to use (usually for DSA)"},
798 {"dkeyform", OPT_DKEYFORM, 'F',
799 "Second key format (PEM, DER or ENGINE) PEM default"},
800 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
801 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
802 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
803 {"debug", OPT_DEBUG, '-', "Print more output"},
804 {"msg", OPT_MSG, '-', "Show protocol messages"},
805 {"msgfile", OPT_MSGFILE, '>',
806 "File to send output of -msg or -trace, instead of stdout"},
807 {"state", OPT_STATE, '-', "Print the SSL states"},
808 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
809 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
810 {"no-CAfile", OPT_NOCAFILE, '-',
811 "Do not load the default certificates file"},
812 {"no-CApath", OPT_NOCAPATH, '-',
813 "Do not load certificates from the default certificates directory"},
814 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
815 {"quiet", OPT_QUIET, '-', "No server output"},
816 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
817 "Disable caching and tickets if ephemeral (EC)DH is used"},
818 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
819 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
820 {"servername", OPT_SERVERNAME, 's',
821 "Servername for HostName TLS extension"},
822 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
823 "mismatch send fatal alert (default warning alert)"},
824 {"cert2", OPT_CERT2, '<',
825 "Certificate file to use for servername; default is" TEST_CERT2},
826 {"key2", OPT_KEY2, '<',
827 "-Private Key file to use for servername if not in -cert2"},
828 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
829 "Hex dump of all TLS extensions received"},
830 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
831 {"id_prefix", OPT_ID_PREFIX, 's',
832 "Generate SSL/TLS session IDs prefixed by arg"},
834 {"keymatexport", OPT_KEYMATEXPORT, 's',
835 "Export keying material using label"},
836 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
837 "Export len bytes of keying material (default 20)"},
838 {"CRL", OPT_CRL, '<', "CRL file to use"},
839 {"crl_download", OPT_CRL_DOWNLOAD, '-',
840 "Download CRL from distribution points"},
841 {"cert_chain", OPT_CERT_CHAIN, '<',
842 "certificate chain file in PEM format"},
843 {"dcert_chain", OPT_DCERT_CHAIN, '<',
844 "second certificate chain file in PEM format"},
845 {"chainCApath", OPT_CHAINCAPATH, '/',
846 "use dir as certificate store path to build CA certificate chain"},
847 {"verifyCApath", OPT_VERIFYCAPATH, '/',
848 "use dir as certificate store path to verify CA certificate"},
849 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
850 {"ext_cache", OPT_EXT_CACHE, '-',
851 "Disable internal cache, setup and use external cache"},
852 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
853 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
854 "Close connection on verification error"},
855 {"verify_quiet", OPT_VERIFY_QUIET, '-',
856 "No verify output except verify errors"},
857 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
858 {"chainCAfile", OPT_CHAINCAFILE, '<',
859 "CA file for certificate chain (PEM format)"},
860 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
861 "CA file for certificate verification (PEM format)"},
862 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
863 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
864 #ifndef OPENSSL_NO_OCSP
865 {"status", OPT_STATUS, '-', "Request certificate status from server"},
866 {"status_verbose", OPT_STATUS_VERBOSE, '-',
867 "Print more output in certificate status callback"},
868 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
869 "Status request responder timeout"},
870 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
871 {"status_file", OPT_STATUS_FILE, '<',
872 "File containing DER encoded OCSP Response"},
874 #ifndef OPENSSL_NO_SSL_TRACE
875 {"trace", OPT_TRACE, '-', "trace protocol messages"},
877 {"security_debug", OPT_SECURITY_DEBUG, '-',
878 "Print output from SSL/TLS security framework"},
879 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
880 "Print more output from SSL/TLS security framework"},
881 {"brief", OPT_BRIEF, '-',
882 "Restrict output to brief summary of connection parameters"},
883 {"rev", OPT_REV, '-',
884 "act as a simple test server which just sends back with the received text reversed"},
885 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
886 {"ssl_config", OPT_SSL_CONFIG, 's',
887 "Configure SSL_CTX using the configuration 'val'"},
888 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
889 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
890 "Size used to split data for encrypt pipelines"},
891 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
892 "Maximum number of encrypt/decrypt pipelines to be used"},
893 {"read_buf", OPT_READ_BUF, 'p',
894 "Default read buffer size to be used for connections"},
898 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
899 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
900 #ifndef OPENSSL_NO_PSK
901 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
903 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
904 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
905 #ifndef OPENSSL_NO_SRP
906 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
907 {"srpuserseed", OPT_SRPUSERSEED, 's',
908 "A seed string for a default user salt"},
910 #ifndef OPENSSL_NO_SSL3
911 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
913 #ifndef OPENSSL_NO_TLS1
914 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
916 #ifndef OPENSSL_NO_TLS1_1
917 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
919 #ifndef OPENSSL_NO_TLS1_2
920 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
922 #ifndef OPENSSL_NO_TLS1_3
923 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
925 #ifndef OPENSSL_NO_DTLS
926 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
927 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
928 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
929 {"listen", OPT_LISTEN, '-',
930 "Listen for a DTLS ClientHello with a cookie and then connect"},
932 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
933 #ifndef OPENSSL_NO_DTLS1
934 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
936 #ifndef OPENSSL_NO_DTLS1_2
937 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
939 #ifndef OPENSSL_NO_SCTP
940 {"sctp", OPT_SCTP, '-', "Use SCTP"},
941 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
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 {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
970 {NULL, OPT_EOF, 0, NULL}
973 #define IS_PROT_FLAG(o) \
974 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
975 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
977 int s_server_main(int argc, char *argv[])
979 ENGINE *engine = NULL;
980 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
981 SSL_CONF_CTX *cctx = NULL;
982 const SSL_METHOD *meth = TLS_server_method();
983 SSL_EXCERT *exc = NULL;
984 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
985 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
986 STACK_OF(X509_CRL) *crls = NULL;
987 X509 *s_cert = NULL, *s_dcert = NULL;
988 X509_VERIFY_PARAM *vpm = NULL;
989 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
990 char *dpassarg = NULL, *dpass = NULL;
991 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
992 char *crl_file = NULL, *prog;
994 int unlink_unix_path = 0;
996 do_server_cb server_cb;
997 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
998 #ifndef OPENSSL_NO_DH
1002 int nocert = 0, ret = 1;
1003 int noCApath = 0, noCAfile = 0;
1004 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1005 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1006 int rev = 0, naccept = -1, sdebug = 0;
1007 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1008 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1010 char *port = OPENSSL_strdup(PORT);
1011 unsigned char *context = NULL;
1013 EVP_PKEY *s_key2 = NULL;
1014 X509 *s_cert2 = NULL;
1015 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1016 const char *ssl_config = NULL;
1017 int read_buf_len = 0;
1018 #ifndef OPENSSL_NO_NEXTPROTONEG
1019 const char *next_proto_neg_in = NULL;
1020 tlsextnextprotoctx next_proto = { NULL, 0 };
1022 const char *alpn_in = NULL;
1023 tlsextalpnctx alpn_ctx = { NULL, 0 };
1024 #ifndef OPENSSL_NO_PSK
1025 /* by default do not send a PSK identity hint */
1026 char *psk_identity_hint = NULL;
1029 #ifndef OPENSSL_NO_SRP
1030 char *srpuserseed = NULL;
1031 char *srp_verifier_file = NULL;
1033 #ifndef OPENSSL_NO_SRTP
1034 char *srtp_profiles = NULL;
1036 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1037 int s_server_verify = SSL_VERIFY_NONE;
1038 int s_server_session_id_context = 1; /* anything will do */
1039 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1040 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1041 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1042 #ifndef OPENSSL_NO_OCSP
1043 int s_tlsextstatus = 0;
1045 int no_resume_ephemeral = 0;
1046 unsigned int max_send_fragment = 0;
1047 unsigned int split_send_fragment = 0, max_pipelines = 0;
1048 const char *s_serverinfo_file = NULL;
1049 const char *keylog_file = NULL;
1050 int max_early_data = -1, recv_max_early_data = -1;
1051 char *psksessf = NULL;
1052 #ifndef OPENSSL_NO_SCTP
1053 int sctp_label_bug = 0;
1056 /* Init of few remaining global variables */
1061 s_nbio = s_nbio_test = 0;
1070 cctx = SSL_CONF_CTX_new();
1071 vpm = X509_VERIFY_PARAM_new();
1072 if (cctx == NULL || vpm == NULL)
1074 SSL_CONF_CTX_set_flags(cctx,
1075 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1077 prog = opt_init(argc, argv, s_server_options);
1078 while ((o = opt_next()) != OPT_EOF) {
1079 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1080 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1083 if (IS_NO_PROT_FLAG(o))
1085 if (prot_opt == 1 && no_prot_opt) {
1087 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1094 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1097 opt_help(s_server_options);
1103 if (socket_family == AF_UNIX) {
1104 OPENSSL_free(host); host = NULL;
1105 OPENSSL_free(port); port = NULL;
1108 socket_family = AF_INET;
1114 if (socket_family == AF_UNIX) {
1115 OPENSSL_free(host); host = NULL;
1116 OPENSSL_free(port); port = NULL;
1119 socket_family = AF_INET6;
1122 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1128 if (socket_family == AF_UNIX) {
1129 socket_family = AF_UNSPEC;
1132 OPENSSL_free(port); port = NULL;
1133 OPENSSL_free(host); host = NULL;
1134 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1136 "%s: -port argument malformed or ambiguous\n",
1143 if (socket_family == AF_UNIX) {
1144 socket_family = AF_UNSPEC;
1147 OPENSSL_free(port); port = NULL;
1148 OPENSSL_free(host); host = NULL;
1149 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1151 "%s: -accept argument malformed or ambiguous\n",
1158 socket_family = AF_UNIX;
1159 OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
1160 OPENSSL_free(port); port = NULL;
1163 unlink_unix_path = 1;
1167 naccept = atol(opt_arg());
1170 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1171 verify_args.depth = atoi(opt_arg());
1173 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1175 case OPT_UPPER_V_VERIFY:
1177 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1178 SSL_VERIFY_CLIENT_ONCE;
1179 verify_args.depth = atoi(opt_arg());
1182 "verify depth is %d, must return a certificate\n",
1186 context = (unsigned char *)opt_arg();
1189 s_cert_file = opt_arg();
1192 if (!set_nameopt(opt_arg()))
1196 crl_file = opt_arg();
1198 case OPT_CRL_DOWNLOAD:
1201 case OPT_SERVERINFO:
1202 s_serverinfo_file = opt_arg();
1205 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1209 s_key_file = opt_arg();
1212 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1216 passarg = opt_arg();
1218 case OPT_CERT_CHAIN:
1219 s_chain_file = opt_arg();
1222 #ifndef OPENSSL_NO_DH
1227 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1231 s_dcert_file = opt_arg();
1234 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1238 dpassarg = opt_arg();
1241 s_dkey_file = opt_arg();
1243 case OPT_DCERT_CHAIN:
1244 s_dchain_file = opt_arg();
1255 case OPT_CHAINCAPATH:
1256 chCApath = opt_arg();
1258 case OPT_VERIFYCAPATH:
1259 vfyCApath = opt_arg();
1268 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1272 case OPT_S_NUM_TICKETS:
1273 case OPT_ANTI_REPLAY:
1274 case OPT_NO_ANTI_REPLAY:
1275 if (ssl_args == NULL)
1276 ssl_args = sk_OPENSSL_STRING_new_null();
1277 if (ssl_args == NULL
1278 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1279 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1280 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1285 if (!opt_verify(o, vpm))
1290 if (!args_excert(o, &exc))
1293 case OPT_VERIFY_RET_ERROR:
1294 verify_args.return_error = 1;
1296 case OPT_VERIFY_QUIET:
1297 verify_args.quiet = 1;
1299 case OPT_BUILD_CHAIN:
1308 case OPT_CHAINCAFILE:
1309 chCAfile = opt_arg();
1311 case OPT_VERIFYCAFILE:
1312 vfyCAfile = opt_arg();
1318 s_nbio = s_nbio_test = 1;
1323 case OPT_NO_IGN_EOF:
1329 case OPT_TLSEXTDEBUG:
1333 #ifndef OPENSSL_NO_OCSP
1337 case OPT_STATUS_VERBOSE:
1338 #ifndef OPENSSL_NO_OCSP
1339 s_tlsextstatus = tlscstatp.verbose = 1;
1342 case OPT_STATUS_TIMEOUT:
1343 #ifndef OPENSSL_NO_OCSP
1345 tlscstatp.timeout = atoi(opt_arg());
1348 case OPT_STATUS_URL:
1349 #ifndef OPENSSL_NO_OCSP
1351 if (!OCSP_parse_url(opt_arg(),
1354 &tlscstatp.path, &tlscstatp.use_ssl)) {
1355 BIO_printf(bio_err, "Error parsing URL\n");
1360 case OPT_STATUS_FILE:
1361 #ifndef OPENSSL_NO_OCSP
1363 tlscstatp.respin = opt_arg();
1370 bio_s_msg = BIO_new_file(opt_arg(), "w");
1373 #ifndef OPENSSL_NO_SSL_TRACE
1377 case OPT_SECURITY_DEBUG:
1380 case OPT_SECURITY_DEBUG_VERBOSE:
1393 s_quiet = s_brief = verify_args.quiet = 1;
1396 #ifndef OPENSSL_NO_DH
1400 case OPT_NO_RESUME_EPHEMERAL:
1401 no_resume_ephemeral = 1;
1403 case OPT_PSK_IDENTITY:
1404 psk_identity = opt_arg();
1407 #ifndef OPENSSL_NO_PSK
1408 psk_identity_hint = opt_arg();
1412 for (p = psk_key = opt_arg(); *p; p++) {
1413 if (isxdigit(_UC(*p)))
1415 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1420 psksessf = opt_arg();
1423 #ifndef OPENSSL_NO_SRP
1424 srp_verifier_file = opt_arg();
1425 if (min_version < TLS1_VERSION)
1426 min_version = TLS1_VERSION;
1429 case OPT_SRPUSERSEED:
1430 #ifndef OPENSSL_NO_SRP
1431 srpuserseed = opt_arg();
1432 if (min_version < TLS1_VERSION)
1433 min_version = TLS1_VERSION;
1448 case OPT_SSL_CONFIG:
1449 ssl_config = opt_arg();
1452 min_version = SSL3_VERSION;
1453 max_version = SSL3_VERSION;
1456 min_version = TLS1_3_VERSION;
1457 max_version = TLS1_3_VERSION;
1460 min_version = TLS1_2_VERSION;
1461 max_version = TLS1_2_VERSION;
1464 min_version = TLS1_1_VERSION;
1465 max_version = TLS1_1_VERSION;
1468 min_version = TLS1_VERSION;
1469 max_version = TLS1_VERSION;
1472 #ifndef OPENSSL_NO_DTLS
1473 meth = DTLS_server_method();
1474 socket_type = SOCK_DGRAM;
1478 #ifndef OPENSSL_NO_DTLS
1479 meth = DTLS_server_method();
1480 min_version = DTLS1_VERSION;
1481 max_version = DTLS1_VERSION;
1482 socket_type = SOCK_DGRAM;
1486 #ifndef OPENSSL_NO_DTLS
1487 meth = DTLS_server_method();
1488 min_version = DTLS1_2_VERSION;
1489 max_version = DTLS1_2_VERSION;
1490 socket_type = SOCK_DGRAM;
1494 #ifndef OPENSSL_NO_SCTP
1495 protocol = IPPROTO_SCTP;
1498 case OPT_SCTP_LABEL_BUG:
1499 #ifndef OPENSSL_NO_SCTP
1504 #ifndef OPENSSL_NO_DTLS
1505 enable_timeouts = 1;
1509 #ifndef OPENSSL_NO_DTLS
1510 socket_mtu = atol(opt_arg());
1514 #ifndef OPENSSL_NO_DTLS
1522 session_id_prefix = opt_arg();
1525 engine = setup_engine(opt_arg(), 1);
1531 case OPT_SERVERNAME:
1532 tlsextcbp.servername = opt_arg();
1534 case OPT_SERVERNAME_FATAL:
1535 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1538 s_cert_file2 = opt_arg();
1541 s_key_file2 = opt_arg();
1543 case OPT_NEXTPROTONEG:
1544 # ifndef OPENSSL_NO_NEXTPROTONEG
1545 next_proto_neg_in = opt_arg();
1549 alpn_in = opt_arg();
1551 case OPT_SRTP_PROFILES:
1552 #ifndef OPENSSL_NO_SRTP
1553 srtp_profiles = opt_arg();
1556 case OPT_KEYMATEXPORT:
1557 keymatexportlabel = opt_arg();
1559 case OPT_KEYMATEXPORTLEN:
1560 keymatexportlen = atoi(opt_arg());
1565 case OPT_MAX_SEND_FRAG:
1566 max_send_fragment = atoi(opt_arg());
1568 case OPT_SPLIT_SEND_FRAG:
1569 split_send_fragment = atoi(opt_arg());
1571 case OPT_MAX_PIPELINES:
1572 max_pipelines = atoi(opt_arg());
1575 read_buf_len = atoi(opt_arg());
1577 case OPT_KEYLOG_FILE:
1578 keylog_file = opt_arg();
1581 max_early_data = atoi(opt_arg());
1582 if (max_early_data < 0) {
1583 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1587 case OPT_RECV_MAX_EARLY:
1588 recv_max_early_data = atoi(opt_arg());
1589 if (recv_max_early_data < 0) {
1590 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1594 case OPT_EARLY_DATA:
1596 if (max_early_data == -1)
1597 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1599 case OPT_HTTP_SERVER_BINMODE:
1600 http_server_binmode = 1;
1604 argc = opt_num_rest();
1607 #ifndef OPENSSL_NO_NEXTPROTONEG
1608 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1609 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1613 #ifndef OPENSSL_NO_DTLS
1614 if (www && socket_type == SOCK_DGRAM) {
1615 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1619 if (dtlslisten && socket_type != SOCK_DGRAM) {
1620 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1625 if (stateless && socket_type != SOCK_STREAM) {
1626 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1631 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1633 "Can't use unix sockets and datagrams together\n");
1637 if (early_data && (www > 0 || rev)) {
1639 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1643 #ifndef OPENSSL_NO_SCTP
1644 if (protocol == IPPROTO_SCTP) {
1645 if (socket_type != SOCK_DGRAM) {
1646 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1649 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1650 socket_type = SOCK_STREAM;
1654 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1655 BIO_printf(bio_err, "Error getting password\n");
1659 if (s_key_file == NULL)
1660 s_key_file = s_cert_file;
1662 if (s_key_file2 == NULL)
1663 s_key_file2 = s_cert_file2;
1665 if (!load_excert(&exc))
1669 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1670 "server certificate private key file");
1671 if (s_key == NULL) {
1672 ERR_print_errors(bio_err);
1676 s_cert = load_cert(s_cert_file, s_cert_format,
1677 "server certificate file");
1679 if (s_cert == NULL) {
1680 ERR_print_errors(bio_err);
1683 if (s_chain_file != NULL) {
1684 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1685 "server certificate chain"))
1689 if (tlsextcbp.servername != NULL) {
1690 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1691 "second server certificate private key file");
1692 if (s_key2 == NULL) {
1693 ERR_print_errors(bio_err);
1697 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1698 "second server certificate file");
1700 if (s_cert2 == NULL) {
1701 ERR_print_errors(bio_err);
1706 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1707 if (next_proto_neg_in) {
1708 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1709 if (next_proto.data == NULL)
1713 alpn_ctx.data = NULL;
1715 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1716 if (alpn_ctx.data == NULL)
1720 if (crl_file != NULL) {
1722 crl = load_crl(crl_file, crl_format);
1724 BIO_puts(bio_err, "Error loading CRL\n");
1725 ERR_print_errors(bio_err);
1728 crls = sk_X509_CRL_new_null();
1729 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1730 BIO_puts(bio_err, "Error adding CRL\n");
1731 ERR_print_errors(bio_err);
1737 if (s_dcert_file != NULL) {
1739 if (s_dkey_file == NULL)
1740 s_dkey_file = s_dcert_file;
1742 s_dkey = load_key(s_dkey_file, s_dkey_format,
1743 0, dpass, engine, "second certificate private key file");
1744 if (s_dkey == NULL) {
1745 ERR_print_errors(bio_err);
1749 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1750 "second server certificate file");
1752 if (s_dcert == NULL) {
1753 ERR_print_errors(bio_err);
1756 if (s_dchain_file != NULL) {
1757 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1758 "second server certificate chain"))
1764 if (bio_s_out == NULL) {
1765 if (s_quiet && !s_debug) {
1766 bio_s_out = BIO_new(BIO_s_null());
1767 if (s_msg && bio_s_msg == NULL)
1768 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1770 if (bio_s_out == NULL)
1771 bio_s_out = dup_bio_out(FORMAT_TEXT);
1774 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1780 s_dcert_file = NULL;
1782 s_cert_file2 = NULL;
1786 ctx = SSL_CTX_new(meth);
1788 ERR_print_errors(bio_err);
1792 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1795 ssl_ctx_security_debug(ctx, sdebug);
1797 if (!config_ctx(cctx, ssl_args, ctx))
1801 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1802 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1804 ERR_print_errors(bio_err);
1809 #ifndef OPENSSL_NO_SCTP
1810 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1811 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1814 if (min_version != 0
1815 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1817 if (max_version != 0
1818 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1821 if (session_id_prefix) {
1822 if (strlen(session_id_prefix) >= 32)
1824 "warning: id_prefix is too long, only one new session will be possible\n");
1825 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1826 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1827 ERR_print_errors(bio_err);
1830 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1832 SSL_CTX_set_quiet_shutdown(ctx, 1);
1834 ssl_ctx_set_excert(ctx, exc);
1837 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1839 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1841 init_session_cache_ctx(ctx);
1843 SSL_CTX_sess_set_cache_size(ctx, 128);
1846 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1849 if (max_send_fragment > 0
1850 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1851 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1852 prog, max_send_fragment);
1856 if (split_send_fragment > 0
1857 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1858 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1859 prog, split_send_fragment);
1862 if (max_pipelines > 0
1863 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1864 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1865 prog, max_pipelines);
1869 if (read_buf_len > 0) {
1870 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1872 #ifndef OPENSSL_NO_SRTP
1873 if (srtp_profiles != NULL) {
1874 /* Returns 0 on success! */
1875 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1876 BIO_printf(bio_err, "Error setting SRTP profile\n");
1877 ERR_print_errors(bio_err);
1883 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1884 ERR_print_errors(bio_err);
1887 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1888 BIO_printf(bio_err, "Error setting verify params\n");
1889 ERR_print_errors(bio_err);
1893 ssl_ctx_add_crls(ctx, crls, 0);
1895 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1896 crls, crl_download)) {
1897 BIO_printf(bio_err, "Error loading store locations\n");
1898 ERR_print_errors(bio_err);
1903 ctx2 = SSL_CTX_new(meth);
1905 ERR_print_errors(bio_err);
1911 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1914 ssl_ctx_security_debug(ctx, sdebug);
1916 if (session_id_prefix) {
1917 if (strlen(session_id_prefix) >= 32)
1919 "warning: id_prefix is too long, only one new session will be possible\n");
1920 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1921 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1922 ERR_print_errors(bio_err);
1925 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1927 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1929 ssl_ctx_set_excert(ctx2, exc);
1932 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1935 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1937 init_session_cache_ctx(ctx2);
1939 SSL_CTX_sess_set_cache_size(ctx2, 128);
1942 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1944 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1946 ERR_print_errors(bio_err);
1949 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1950 BIO_printf(bio_err, "Error setting verify params\n");
1951 ERR_print_errors(bio_err);
1955 ssl_ctx_add_crls(ctx2, crls, 0);
1956 if (!config_ctx(cctx, ssl_args, ctx2))
1959 #ifndef OPENSSL_NO_NEXTPROTONEG
1960 if (next_proto.data)
1961 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1965 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1967 #ifndef OPENSSL_NO_DH
1972 dh = load_dh_param(dhfile);
1973 else if (s_cert_file != NULL)
1974 dh = load_dh_param(s_cert_file);
1977 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1979 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1981 (void)BIO_flush(bio_s_out);
1984 SSL_CTX_set_dh_auto(ctx, 1);
1985 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1986 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1987 ERR_print_errors(bio_err);
1994 DH *dh2 = load_dh_param(s_cert_file2);
1996 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1997 (void)BIO_flush(bio_s_out);
2004 SSL_CTX_set_dh_auto(ctx2, 1);
2005 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
2006 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2007 ERR_print_errors(bio_err);
2016 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2019 if (s_serverinfo_file != NULL
2020 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2021 ERR_print_errors(bio_err);
2026 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
2029 if (s_dcert != NULL) {
2030 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2034 if (no_resume_ephemeral) {
2035 SSL_CTX_set_not_resumable_session_callback(ctx,
2036 not_resumable_sess_cb);
2039 SSL_CTX_set_not_resumable_session_callback(ctx2,
2040 not_resumable_sess_cb);
2042 #ifndef OPENSSL_NO_PSK
2043 if (psk_key != NULL) {
2045 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2046 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2049 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2050 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2051 ERR_print_errors(bio_err);
2055 if (psksessf != NULL) {
2056 BIO *stmp = BIO_new_file(psksessf, "r");
2059 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2060 ERR_print_errors(bio_err);
2063 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2065 if (psksess == NULL) {
2066 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2067 ERR_print_errors(bio_err);
2073 if (psk_key != NULL || psksess != NULL)
2074 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2076 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2077 if (!SSL_CTX_set_session_id_context(ctx,
2078 (void *)&s_server_session_id_context,
2079 sizeof(s_server_session_id_context))) {
2080 BIO_printf(bio_err, "error setting session id context\n");
2081 ERR_print_errors(bio_err);
2085 /* Set DTLS cookie generation and verification callbacks */
2086 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2087 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2089 /* Set TLS1.3 cookie generation and verification callbacks */
2090 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2091 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2094 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2095 if (!SSL_CTX_set_session_id_context(ctx2,
2096 (void *)&s_server_session_id_context,
2097 sizeof(s_server_session_id_context))) {
2098 BIO_printf(bio_err, "error setting session id context\n");
2099 ERR_print_errors(bio_err);
2102 tlsextcbp.biodebug = bio_s_out;
2103 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2104 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2105 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2106 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2109 #ifndef OPENSSL_NO_SRP
2110 if (srp_verifier_file != NULL) {
2111 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2112 srp_callback_parm.user = NULL;
2113 srp_callback_parm.login = NULL;
2115 SRP_VBASE_init(srp_callback_parm.vb,
2116 srp_verifier_file)) != SRP_NO_ERROR) {
2118 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2119 srp_verifier_file, ret);
2122 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2123 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2124 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2127 if (CAfile != NULL) {
2128 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2131 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2133 #ifndef OPENSSL_NO_OCSP
2134 if (s_tlsextstatus) {
2135 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2136 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2138 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2139 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2143 if (set_keylog_file(ctx, keylog_file))
2146 if (max_early_data >= 0)
2147 SSL_CTX_set_max_early_data(ctx, max_early_data);
2148 if (recv_max_early_data >= 0)
2149 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2152 server_cb = rev_body;
2154 server_cb = www_body;
2156 server_cb = sv_body;
2158 if (socket_family == AF_UNIX
2159 && unlink_unix_path)
2162 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2163 server_cb, context, naccept, bio_s_out);
2164 print_stats(bio_s_out, ctx);
2168 SSL_SESSION_free(psksess);
2169 set_keylog_file(NULL, NULL);
2171 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2173 EVP_PKEY_free(s_key);
2174 EVP_PKEY_free(s_dkey);
2175 sk_X509_pop_free(s_chain, X509_free);
2176 sk_X509_pop_free(s_dchain, X509_free);
2178 OPENSSL_free(dpass);
2181 X509_VERIFY_PARAM_free(vpm);
2183 OPENSSL_free(tlscstatp.host);
2184 OPENSSL_free(tlscstatp.port);
2185 OPENSSL_free(tlscstatp.path);
2188 EVP_PKEY_free(s_key2);
2189 #ifndef OPENSSL_NO_NEXTPROTONEG
2190 OPENSSL_free(next_proto.data);
2192 OPENSSL_free(alpn_ctx.data);
2193 ssl_excert_free(exc);
2194 sk_OPENSSL_STRING_free(ssl_args);
2195 SSL_CONF_CTX_free(cctx);
2196 release_engine(engine);
2197 BIO_free(bio_s_out);
2199 BIO_free(bio_s_msg);
2201 #ifdef CHARSET_EBCDIC
2202 BIO_meth_free(methods_ebcdic);
2207 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2209 BIO_printf(bio, "%4ld items in the session cache\n",
2210 SSL_CTX_sess_number(ssl_ctx));
2211 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2212 SSL_CTX_sess_connect(ssl_ctx));
2213 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2214 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2215 BIO_printf(bio, "%4ld client connects that finished\n",
2216 SSL_CTX_sess_connect_good(ssl_ctx));
2217 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2218 SSL_CTX_sess_accept(ssl_ctx));
2219 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2220 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2221 BIO_printf(bio, "%4ld server accepts that finished\n",
2222 SSL_CTX_sess_accept_good(ssl_ctx));
2223 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2224 BIO_printf(bio, "%4ld session cache misses\n",
2225 SSL_CTX_sess_misses(ssl_ctx));
2226 BIO_printf(bio, "%4ld session cache timeouts\n",
2227 SSL_CTX_sess_timeouts(ssl_ctx));
2228 BIO_printf(bio, "%4ld callback cache hits\n",
2229 SSL_CTX_sess_cb_hits(ssl_ctx));
2230 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2231 SSL_CTX_sess_cache_full(ssl_ctx),
2232 SSL_CTX_sess_get_cache_size(ssl_ctx));
2235 static int sv_body(int s, int stype, int prot, unsigned char *context)
2244 struct timeval timeout;
2245 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2246 struct timeval *timeoutp;
2248 #ifndef OPENSSL_NO_DTLS
2249 # ifndef OPENSSL_NO_SCTP
2250 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2252 int isdtls = (stype == SOCK_DGRAM);
2256 buf = app_malloc(bufsize, "server buffer");
2258 if (!BIO_socket_nbio(s, 1))
2259 ERR_print_errors(bio_err);
2261 BIO_printf(bio_err, "Turned on non blocking io\n");
2270 if (s_tlsextdebug) {
2271 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2272 SSL_set_tlsext_debug_arg(con, bio_s_out);
2276 && !SSL_set_session_id_context(con, context,
2277 strlen((char *)context))) {
2278 BIO_printf(bio_err, "Error setting session id context\n");
2283 if (!SSL_clear(con)) {
2284 BIO_printf(bio_err, "Error clearing SSL connection\n");
2288 #ifndef OPENSSL_NO_DTLS
2290 # ifndef OPENSSL_NO_SCTP
2291 if (prot == IPPROTO_SCTP)
2292 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2295 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2297 if (enable_timeouts) {
2299 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2300 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2303 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2304 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2308 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2309 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2310 DTLS_get_link_min_mtu(con));
2315 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2316 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2317 BIO_printf(bio_err, "Failed to set MTU\n");
2323 /* want to do MTU discovery */
2324 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2326 # ifndef OPENSSL_NO_SCTP
2327 if (prot != IPPROTO_SCTP)
2329 /* Turn on cookie exchange. Not necessary for SCTP */
2330 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2333 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2336 BIO_printf(bio_err, "Unable to create BIO\n");
2337 ERR_print_errors(bio_err);
2344 test = BIO_new(BIO_f_nbio_test());
2345 sbio = BIO_push(test, sbio);
2348 SSL_set_bio(con, sbio, sbio);
2349 SSL_set_accept_state(con);
2350 /* SSL_set_fd(con,s); */
2353 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2354 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2357 #ifndef OPENSSL_NO_SSL_TRACE
2359 SSL_set_msg_callback(con, SSL_trace);
2362 SSL_set_msg_callback(con, msg_cb);
2363 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2366 if (s_tlsextdebug) {
2367 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2368 SSL_set_tlsext_debug_arg(con, bio_s_out);
2372 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2375 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2377 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2378 if (edret != SSL_READ_EARLY_DATA_ERROR)
2381 switch (SSL_get_error(con, 0)) {
2382 case SSL_ERROR_WANT_WRITE:
2383 case SSL_ERROR_WANT_ASYNC:
2384 case SSL_ERROR_WANT_READ:
2385 /* Just keep trying - busy waiting */
2388 BIO_printf(bio_err, "Error reading early data\n");
2389 ERR_print_errors(bio_err);
2393 if (readbytes > 0) {
2395 BIO_printf(bio_s_out, "Early data received:\n");
2398 raw_write_stdout(buf, (unsigned int)readbytes);
2399 (void)BIO_flush(bio_s_out);
2403 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2404 BIO_printf(bio_s_out, "No early data received\n");
2406 BIO_printf(bio_s_out, "Early data was rejected\n");
2408 BIO_printf(bio_s_out, "\nEnd of early data\n");
2410 if (SSL_is_init_finished(con))
2411 print_connection_info(con);
2414 if (fileno_stdin() > s)
2415 width = fileno_stdin() + 1;
2419 int read_from_terminal;
2420 int read_from_sslcon;
2422 read_from_terminal = 0;
2423 read_from_sslcon = SSL_has_pending(con)
2424 || (async && SSL_waiting_for_async(con));
2426 if (!read_from_sslcon) {
2428 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2429 openssl_fdset(fileno_stdin(), &readfds);
2431 openssl_fdset(s, &readfds);
2433 * Note: under VMS with SOCKETSHR the second parameter is
2434 * currently of type (int *) whereas under other systems it is
2435 * (void *) if you don't have a cast it will choke the compiler:
2436 * if you do have a cast then you can either go for (int *) or
2439 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2441 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2442 * only on sockets. As a workaround we timeout the select every
2443 * second and check for any keypress. In a proper Windows
2444 * application we wouldn't do this because it is inefficient.
2447 timeout.tv_usec = 0;
2448 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2449 if (has_stdin_waiting())
2450 read_from_terminal = 1;
2451 if ((i < 0) || (!i && !read_from_terminal))
2454 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2455 timeoutp = &timeout;
2459 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2461 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2462 BIO_printf(bio_err, "TIMEOUT occurred\n");
2466 if (FD_ISSET(fileno_stdin(), &readfds))
2467 read_from_terminal = 1;
2469 if (FD_ISSET(s, &readfds))
2470 read_from_sslcon = 1;
2472 if (read_from_terminal) {
2476 i = raw_read_stdin(buf, bufsize / 2);
2478 /* both loops are skipped when i <= 0 */
2479 for (j = 0; j < i; j++)
2482 for (j = i - 1; j >= 0; j--) {
2483 buf[j + lf_num] = buf[j];
2484 if (buf[j] == '\n') {
2487 buf[j + lf_num] = '\r';
2490 assert(lf_num == 0);
2492 i = raw_read_stdin(buf, bufsize);
2495 if (!s_quiet && !s_brief) {
2496 if ((i <= 0) || (buf[0] == 'Q')) {
2497 BIO_printf(bio_s_out, "DONE\n");
2498 (void)BIO_flush(bio_s_out);
2500 close_accept_socket();
2504 if ((i <= 0) || (buf[0] == 'q')) {
2505 BIO_printf(bio_s_out, "DONE\n");
2506 (void)BIO_flush(bio_s_out);
2507 if (SSL_version(con) != DTLS1_VERSION)
2510 * close_accept_socket(); ret= -11;
2514 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2515 SSL_renegotiate(con);
2516 i = SSL_do_handshake(con);
2517 printf("SSL_do_handshake -> %d\n", i);
2521 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2523 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2525 SSL_renegotiate(con);
2526 i = SSL_do_handshake(con);
2527 printf("SSL_do_handshake -> %d\n", i);
2531 if ((buf[0] == 'K' || buf[0] == 'k')
2532 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2533 SSL_key_update(con, buf[0] == 'K' ?
2534 SSL_KEY_UPDATE_REQUESTED
2535 : SSL_KEY_UPDATE_NOT_REQUESTED);
2536 i = SSL_do_handshake(con);
2537 printf("SSL_do_handshake -> %d\n", i);
2541 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2542 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2543 i = SSL_verify_client_post_handshake(con);
2545 printf("Failed to initiate request\n");
2546 ERR_print_errors(bio_err);
2548 i = SSL_do_handshake(con);
2549 printf("SSL_do_handshake -> %d\n", i);
2554 if (buf[0] == 'P') {
2555 static const char *str = "Lets print some clear text\n";
2556 BIO_write(SSL_get_wbio(con), str, strlen(str));
2558 if (buf[0] == 'S') {
2559 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2562 #ifdef CHARSET_EBCDIC
2563 ebcdic2ascii(buf, buf, i);
2567 /* should do a select for the write */
2570 if (++count == 100) {
2572 SSL_renegotiate(con);
2575 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2576 #ifndef OPENSSL_NO_SRP
2577 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2578 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2579 SRP_user_pwd_free(srp_callback_parm.user);
2580 srp_callback_parm.user =
2581 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2582 srp_callback_parm.login);
2583 if (srp_callback_parm.user)
2584 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2585 srp_callback_parm.user->info);
2587 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2588 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2591 switch (SSL_get_error(con, k)) {
2592 case SSL_ERROR_NONE:
2594 case SSL_ERROR_WANT_ASYNC:
2595 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2596 (void)BIO_flush(bio_s_out);
2597 wait_for_async(con);
2599 case SSL_ERROR_WANT_WRITE:
2600 case SSL_ERROR_WANT_READ:
2601 case SSL_ERROR_WANT_X509_LOOKUP:
2602 BIO_printf(bio_s_out, "Write BLOCK\n");
2603 (void)BIO_flush(bio_s_out);
2605 case SSL_ERROR_WANT_ASYNC_JOB:
2607 * This shouldn't ever happen in s_server. Treat as an error
2609 case SSL_ERROR_SYSCALL:
2611 BIO_printf(bio_s_out, "ERROR\n");
2612 (void)BIO_flush(bio_s_out);
2613 ERR_print_errors(bio_err);
2617 case SSL_ERROR_ZERO_RETURN:
2618 BIO_printf(bio_s_out, "DONE\n");
2619 (void)BIO_flush(bio_s_out);
2631 if (read_from_sslcon) {
2633 * init_ssl_connection handles all async events itself so if we're
2634 * waiting for async then we shouldn't go back into
2635 * init_ssl_connection
2637 if ((!async || !SSL_waiting_for_async(con))
2638 && !SSL_is_init_finished(con)) {
2639 i = init_ssl_connection(con);
2644 } else if (i == 0) {
2650 i = SSL_read(con, (char *)buf, bufsize);
2651 #ifndef OPENSSL_NO_SRP
2652 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2653 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2654 SRP_user_pwd_free(srp_callback_parm.user);
2655 srp_callback_parm.user =
2656 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2657 srp_callback_parm.login);
2658 if (srp_callback_parm.user)
2659 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2660 srp_callback_parm.user->info);
2662 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2663 i = SSL_read(con, (char *)buf, bufsize);
2666 switch (SSL_get_error(con, i)) {
2667 case SSL_ERROR_NONE:
2668 #ifdef CHARSET_EBCDIC
2669 ascii2ebcdic(buf, buf, i);
2671 raw_write_stdout(buf, (unsigned int)i);
2672 (void)BIO_flush(bio_s_out);
2673 if (SSL_has_pending(con))
2676 case SSL_ERROR_WANT_ASYNC:
2677 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2678 (void)BIO_flush(bio_s_out);
2679 wait_for_async(con);
2681 case SSL_ERROR_WANT_WRITE:
2682 case SSL_ERROR_WANT_READ:
2683 BIO_printf(bio_s_out, "Read BLOCK\n");
2684 (void)BIO_flush(bio_s_out);
2686 case SSL_ERROR_WANT_ASYNC_JOB:
2688 * This shouldn't ever happen in s_server. Treat as an error
2690 case SSL_ERROR_SYSCALL:
2692 BIO_printf(bio_s_out, "ERROR\n");
2693 (void)BIO_flush(bio_s_out);
2694 ERR_print_errors(bio_err);
2697 case SSL_ERROR_ZERO_RETURN:
2698 BIO_printf(bio_s_out, "DONE\n");
2699 (void)BIO_flush(bio_s_out);
2708 BIO_printf(bio_s_out, "shutting down SSL\n");
2709 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2712 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2713 OPENSSL_clear_free(buf, bufsize);
2717 static void close_accept_socket(void)
2719 BIO_printf(bio_err, "shutdown accept socket\n");
2720 if (accept_socket >= 0) {
2721 BIO_closesocket(accept_socket);
2725 static int is_retryable(SSL *con, int i)
2727 int err = SSL_get_error(con, i);
2729 /* If it's not a fatal error, it must be retryable */
2730 return (err != SSL_ERROR_SSL)
2731 && (err != SSL_ERROR_SYSCALL)
2732 && (err != SSL_ERROR_ZERO_RETURN);
2735 static int init_ssl_connection(SSL *con)
2741 if (dtlslisten || stateless) {
2742 BIO_ADDR *client = NULL;
2745 if ((client = BIO_ADDR_new()) == NULL) {
2746 BIO_printf(bio_err, "ERROR - memory\n");
2749 i = DTLSv1_listen(con, client);
2751 i = SSL_stateless(con);
2758 wbio = SSL_get_wbio(con);
2760 BIO_get_fd(wbio, &fd);
2763 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2764 BIO_printf(bio_err, "ERROR - unable to connect\n");
2765 BIO_ADDR_free(client);
2769 (void)BIO_ctrl_set_connected(wbio, client);
2770 BIO_ADDR_free(client);
2775 i = SSL_accept(con);
2777 BIO_ADDR_free(client);
2781 i = SSL_accept(con);
2784 retry = is_retryable(con, i);
2785 #ifdef CERT_CB_TEST_RETRY
2788 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2789 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2791 "LOOKUP from certificate callback during accept\n");
2792 i = SSL_accept(con);
2794 retry = is_retryable(con, i);
2799 #ifndef OPENSSL_NO_SRP
2801 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2802 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2803 srp_callback_parm.login);
2804 SRP_user_pwd_free(srp_callback_parm.user);
2805 srp_callback_parm.user =
2806 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2807 srp_callback_parm.login);
2808 if (srp_callback_parm.user)
2809 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2810 srp_callback_parm.user->info);
2812 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2813 i = SSL_accept(con);
2815 retry = is_retryable(con, i);
2818 } while (i < 0 && SSL_waiting_for_async(con));
2822 if (((dtlslisten || stateless) && i == 0)
2823 || (!dtlslisten && !stateless && retry)) {
2824 BIO_printf(bio_s_out, "DELAY\n");
2828 BIO_printf(bio_err, "ERROR\n");
2830 verify_err = SSL_get_verify_result(con);
2831 if (verify_err != X509_V_OK) {
2832 BIO_printf(bio_err, "verify error:%s\n",
2833 X509_verify_cert_error_string(verify_err));
2835 /* Always print any error messages */
2836 ERR_print_errors(bio_err);
2840 print_connection_info(con);
2844 static void print_connection_info(SSL *con)
2849 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2850 const unsigned char *next_proto_neg;
2851 unsigned next_proto_neg_len;
2853 unsigned char *exportedkeymat;
2857 print_ssl_summary(con);
2859 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2861 peer = SSL_get_peer_certificate(con);
2863 BIO_printf(bio_s_out, "Client certificate\n");
2864 PEM_write_bio_X509(bio_s_out, peer);
2865 dump_cert_text(bio_s_out, peer);
2870 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2871 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2872 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2873 ssl_print_sigalgs(bio_s_out, con);
2874 #ifndef OPENSSL_NO_EC
2875 ssl_print_point_formats(bio_s_out, con);
2876 ssl_print_groups(bio_s_out, con, 0);
2878 print_ca_names(bio_s_out, con);
2879 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2881 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2882 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2883 if (next_proto_neg) {
2884 BIO_printf(bio_s_out, "NEXTPROTO is ");
2885 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2886 BIO_printf(bio_s_out, "\n");
2889 #ifndef OPENSSL_NO_SRTP
2891 SRTP_PROTECTION_PROFILE *srtp_profile
2892 = SSL_get_selected_srtp_profile(con);
2895 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2896 srtp_profile->name);
2899 if (SSL_session_reused(con))
2900 BIO_printf(bio_s_out, "Reused session-id\n");
2901 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2902 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2903 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2904 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2906 if (keymatexportlabel != NULL) {
2907 BIO_printf(bio_s_out, "Keying material exporter:\n");
2908 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2909 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2910 exportedkeymat = app_malloc(keymatexportlen, "export key");
2911 if (!SSL_export_keying_material(con, exportedkeymat,
2914 strlen(keymatexportlabel),
2916 BIO_printf(bio_s_out, " Error\n");
2918 BIO_printf(bio_s_out, " Keying material: ");
2919 for (i = 0; i < keymatexportlen; i++)
2920 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2921 BIO_printf(bio_s_out, "\n");
2923 OPENSSL_free(exportedkeymat);
2925 #ifndef OPENSSL_NO_KTLS
2926 if (BIO_get_ktls_send(SSL_get_wbio(con)))
2927 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
2928 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
2929 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
2932 (void)BIO_flush(bio_s_out);
2935 #ifndef OPENSSL_NO_DH
2936 static DH *load_dh_param(const char *dhfile)
2941 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2943 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2950 static int www_body(int s, int stype, int prot, unsigned char *context)
2956 const SSL_CIPHER *c;
2957 BIO *io, *ssl_bio, *sbio;
2959 int total_bytes = 0;
2965 /* Set width for a select call if needed */
2968 buf = app_malloc(bufsize, "server www buffer");
2969 io = BIO_new(BIO_f_buffer());
2970 ssl_bio = BIO_new(BIO_f_ssl());
2971 if ((io == NULL) || (ssl_bio == NULL))
2975 if (!BIO_socket_nbio(s, 1))
2976 ERR_print_errors(bio_err);
2978 BIO_printf(bio_err, "Turned on non blocking io\n");
2981 /* lets make the output buffer a reasonable size */
2982 if (!BIO_set_write_buffer_size(io, bufsize))
2985 if ((con = SSL_new(ctx)) == NULL)
2988 if (s_tlsextdebug) {
2989 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2990 SSL_set_tlsext_debug_arg(con, bio_s_out);
2994 && !SSL_set_session_id_context(con, context,
2995 strlen((char *)context))) {
3000 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3004 test = BIO_new(BIO_f_nbio_test());
3005 sbio = BIO_push(test, sbio);
3007 SSL_set_bio(con, sbio, sbio);
3008 SSL_set_accept_state(con);
3010 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3011 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3012 BIO_push(io, ssl_bio);
3013 #ifdef CHARSET_EBCDIC
3014 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3018 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3019 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3022 #ifndef OPENSSL_NO_SSL_TRACE
3024 SSL_set_msg_callback(con, SSL_trace);
3027 SSL_set_msg_callback(con, msg_cb);
3028 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3032 i = BIO_gets(io, buf, bufsize - 1);
3033 if (i < 0) { /* error */
3034 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3036 ERR_print_errors(bio_err);
3039 BIO_printf(bio_s_out, "read R BLOCK\n");
3040 #ifndef OPENSSL_NO_SRP
3041 if (BIO_should_io_special(io)
3042 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3043 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3044 SRP_user_pwd_free(srp_callback_parm.user);
3045 srp_callback_parm.user =
3046 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3047 srp_callback_parm.login);
3048 if (srp_callback_parm.user)
3049 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3050 srp_callback_parm.user->info);
3052 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3056 #if !defined(OPENSSL_SYS_MSDOS)
3061 } else if (i == 0) { /* end of input */
3066 /* else we have data */
3067 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3068 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3071 STACK_OF(SSL_CIPHER) *sk;
3072 static const char *space = " ";
3074 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3075 if (strncmp("GET /renegcert", buf, 14) == 0)
3077 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3079 i = SSL_renegotiate(con);
3080 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3081 /* Send the HelloRequest */
3082 i = SSL_do_handshake(con);
3084 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3085 SSL_get_error(con, i));
3086 ERR_print_errors(bio_err);
3089 /* Wait for a ClientHello to come back */
3091 openssl_fdset(s, &readfds);
3092 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3093 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3094 BIO_printf(bio_s_out,
3095 "Error waiting for client response\n");
3096 ERR_print_errors(bio_err);
3100 * We're not actually expecting any data here and we ignore
3101 * any that is sent. This is just to force the handshake that
3102 * we're expecting to come from the client. If they haven't
3103 * sent one there's not much we can do.
3105 BIO_gets(io, buf, bufsize - 1);
3109 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3110 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3111 BIO_puts(io, "<pre>\n");
3112 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3114 for (i = 0; i < local_argc; i++) {
3116 for (myp = local_argv[i]; *myp; myp++)
3119 BIO_puts(io, "<");
3122 BIO_puts(io, ">");
3125 BIO_puts(io, "&");
3128 BIO_write(io, myp, 1);
3131 BIO_write(io, " ", 1);
3136 "Secure Renegotiation IS%s supported\n",
3137 SSL_get_secure_renegotiation_support(con) ?
3141 * The following is evil and should not really be done
3143 BIO_printf(io, "Ciphers supported in s_server binary\n");
3144 sk = SSL_get_ciphers(con);
3145 j = sk_SSL_CIPHER_num(sk);
3146 for (i = 0; i < j; i++) {
3147 c = sk_SSL_CIPHER_value(sk, i);
3148 BIO_printf(io, "%-11s:%-25s ",
3149 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3150 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3154 p = SSL_get_shared_ciphers(con, buf, bufsize);
3157 "---\nCiphers common between both SSL end points:\n");
3161 BIO_write(io, space, 26 - j);
3164 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3166 BIO_write(io, p, 1);
3173 ssl_print_sigalgs(io, con);
3174 #ifndef OPENSSL_NO_EC
3175 ssl_print_groups(io, con, 0);
3177 print_ca_names(io, con);
3178 BIO_printf(io, (SSL_session_reused(con)
3179 ? "---\nReused, " : "---\nNew, "));
3180 c = SSL_get_current_cipher(con);
3181 BIO_printf(io, "%s, Cipher is %s\n",
3182 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3183 SSL_SESSION_print(io, SSL_get_session(con));
3184 BIO_printf(io, "---\n");
3185 print_stats(io, SSL_get_SSL_CTX(con));
3186 BIO_printf(io, "---\n");
3187 peer = SSL_get_peer_certificate(con);
3189 BIO_printf(io, "Client certificate\n");
3190 X509_print(io, peer);
3191 PEM_write_bio_X509(io, peer);
3195 BIO_puts(io, "no client certificate available\n");
3197 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3199 } else if ((www == 2 || www == 3)
3200 && (strncmp("GET /", buf, 5) == 0)) {
3203 static const char *text =
3204 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3210 for (e = p; *e != '\0'; e++) {
3216 dot = (e[0] == '.') ? 2 : 0;
3219 dot = (e[0] == '.') ? 3 : 0;
3222 dot = (e[0] == '/') ? -1 : 0;
3226 dot = (e[0] == '/') ? 1 : 0;
3228 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3233 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3240 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3246 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3250 /* if a directory, do the index thang */
3251 if (app_isdir(p) > 0) {
3253 BIO_printf(io, "'%s' is a directory\r\n", p);
3257 opmode = (http_server_binmode == 1) ? "rb" : "r";
3258 if ((file = BIO_new_file(p, opmode)) == NULL) {
3260 BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
3261 ERR_print_errors(io);
3266 BIO_printf(bio_err, "FILE:%s\n", p);
3270 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3271 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3272 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3274 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3277 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3281 i = BIO_read(file, buf, bufsize);
3287 BIO_printf(bio_err, "%d\n", i);
3288 if (total_bytes > 3 * 1024) {
3290 BIO_printf(bio_err, "RENEGOTIATE\n");
3291 SSL_renegotiate(con);
3295 for (j = 0; j < i;) {
3298 if (++count == 13) {
3299 SSL_renegotiate(con);
3302 k = BIO_write(io, &(buf[j]), i - j);
3304 if (!BIO_should_retry(io)
3305 && !SSL_waiting_for_async(con))
3308 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3322 i = (int)BIO_flush(io);
3324 if (!BIO_should_retry(io))
3330 /* make sure we re-use sessions */
3331 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3339 static int rev_body(int s, int stype, int prot, unsigned char *context)
3345 BIO *io, *ssl_bio, *sbio;
3347 buf = app_malloc(bufsize, "server rev buffer");
3348 io = BIO_new(BIO_f_buffer());
3349 ssl_bio = BIO_new(BIO_f_ssl());
3350 if ((io == NULL) || (ssl_bio == NULL))
3353 /* lets make the output buffer a reasonable size */
3354 if (!BIO_set_write_buffer_size(io, bufsize))
3357 if ((con = SSL_new(ctx)) == NULL)
3360 if (s_tlsextdebug) {
3361 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3362 SSL_set_tlsext_debug_arg(con, bio_s_out);
3365 && !SSL_set_session_id_context(con, context,
3366 strlen((char *)context))) {
3368 ERR_print_errors(bio_err);
3372 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3373 SSL_set_bio(con, sbio, sbio);
3374 SSL_set_accept_state(con);
3376 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3377 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3378 BIO_push(io, ssl_bio);
3379 #ifdef CHARSET_EBCDIC
3380 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3384 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3385 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3388 #ifndef OPENSSL_NO_SSL_TRACE
3390 SSL_set_msg_callback(con, SSL_trace);
3393 SSL_set_msg_callback(con, msg_cb);
3394 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3398 i = BIO_do_handshake(io);
3401 if (!BIO_should_retry(io)) {
3402 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3403 ERR_print_errors(bio_err);
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 accept\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");
3423 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3424 print_ssl_summary(con);
3427 i = BIO_gets(io, buf, bufsize - 1);
3428 if (i < 0) { /* error */
3429 if (!BIO_should_retry(io)) {
3431 ERR_print_errors(bio_err);
3434 BIO_printf(bio_s_out, "read R BLOCK\n");
3435 #ifndef OPENSSL_NO_SRP
3436 if (BIO_should_io_special(io)
3437 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3438 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3439 SRP_user_pwd_free(srp_callback_parm.user);
3440 srp_callback_parm.user =
3441 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3442 srp_callback_parm.login);
3443 if (srp_callback_parm.user)
3444 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3445 srp_callback_parm.user->info);
3447 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3451 #if !defined(OPENSSL_SYS_MSDOS)
3456 } else if (i == 0) { /* end of input */
3458 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3461 char *p = buf + i - 1;
3462 while (i && (*p == '\n' || *p == '\r')) {
3466 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3468 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3471 BUF_reverse((unsigned char *)buf, NULL, i);
3473 BIO_write(io, buf, i + 1);
3478 if (!BIO_should_retry(io))
3484 /* make sure we re-use sessions */
3485 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3494 #define MAX_SESSION_ID_ATTEMPTS 10
3495 static int generate_session_id(SSL *ssl, unsigned char *id,
3496 unsigned int *id_len)
3498 unsigned int count = 0;
3500 if (RAND_bytes(id, *id_len) <= 0)
3503 * Prefix the session_id with the required prefix. NB: If our prefix
3504 * is too long, clip it - but there will be worse effects anyway, eg.
3505 * the server could only possibly create 1 session ID (ie. the
3506 * prefix!) so all future session negotiations will fail due to
3509 memcpy(id, session_id_prefix,
3510 (strlen(session_id_prefix) < *id_len) ?
3511 strlen(session_id_prefix) : *id_len);
3513 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3514 (++count < MAX_SESSION_ID_ATTEMPTS));
3515 if (count >= MAX_SESSION_ID_ATTEMPTS)
3521 * By default s_server uses an in-memory cache which caches SSL_SESSION
3522 * structures without any serialisation. This hides some bugs which only
3523 * become apparent in deployed servers. By implementing a basic external
3524 * session cache some issues can be debugged using s_server.
3527 typedef struct simple_ssl_session_st {
3532 struct simple_ssl_session_st *next;
3533 } simple_ssl_session;
3535 static simple_ssl_session *first = NULL;
3537 static int add_session(SSL *ssl, SSL_SESSION *session)
3539 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3542 SSL_SESSION_get_id(session, &sess->idlen);
3543 sess->derlen = i2d_SSL_SESSION(session, NULL);
3544 if (sess->derlen < 0) {
3545 BIO_printf(bio_err, "Error encoding session\n");
3550 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3551 sess->der = app_malloc(sess->derlen, "get session buffer");
3553 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3554 OPENSSL_free(sess->id);
3555 OPENSSL_free(sess->der);
3561 /* Assume it still works. */
3562 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3563 BIO_printf(bio_err, "Unexpected session encoding length\n");
3564 OPENSSL_free(sess->id);
3565 OPENSSL_free(sess->der);
3572 BIO_printf(bio_err, "New session added to external cache\n");
3576 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3579 simple_ssl_session *sess;
3581 for (sess = first; sess; sess = sess->next) {
3582 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3583 const unsigned char *p = sess->der;
3584 BIO_printf(bio_err, "Lookup session: cache hit\n");
3585 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3588 BIO_printf(bio_err, "Lookup session: cache miss\n");
3592 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3594 simple_ssl_session *sess, *prev = NULL;
3595 const unsigned char *id;
3597 id = SSL_SESSION_get_id(session, &idlen);
3598 for (sess = first; sess; sess = sess->next) {
3599 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3601 prev->next = sess->next;
3604 OPENSSL_free(sess->id);
3605 OPENSSL_free(sess->der);
3613 static void init_session_cache_ctx(SSL_CTX *sctx)
3615 SSL_CTX_set_session_cache_mode(sctx,
3616 SSL_SESS_CACHE_NO_INTERNAL |
3617 SSL_SESS_CACHE_SERVER);
3618 SSL_CTX_sess_set_new_cb(sctx, add_session);
3619 SSL_CTX_sess_set_get_cb(sctx, get_session);
3620 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3623 static void free_sessions(void)
3625 simple_ssl_session *sess, *tsess;
3626 for (sess = first; sess;) {
3627 OPENSSL_free(sess->id);
3628 OPENSSL_free(sess->der);
3631 OPENSSL_free(tsess);
3636 #endif /* OPENSSL_NO_SOCK */