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)
198 if (psksess != NULL) {
199 SSL_SESSION_up_ref(psksess);
204 key = OPENSSL_hexstr2buf(psk_key, &key_len);
206 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
211 /* We default to SHA256 */
212 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
213 if (cipher == NULL) {
214 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
218 tmpsess = SSL_SESSION_new();
220 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
221 || !SSL_SESSION_set_cipher(tmpsess, cipher)
222 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
232 #ifndef OPENSSL_NO_SRP
233 /* This is a context that we pass to callbacks */
234 typedef struct srpsrvparm_st {
241 * This callback pretends to require some asynchronous logic in order to
242 * obtain a verifier. When the callback is called for a new connection we
243 * return with a negative value. This will provoke the accept etc to return
244 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
245 * (which would normally occur after a worker has finished) and we set the
248 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
250 srpsrvparm *p = (srpsrvparm *) arg;
251 int ret = SSL3_AL_FATAL;
253 if (p->login == NULL && p->user == NULL) {
254 p->login = SSL_get_srp_username(s);
255 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
259 if (p->user == NULL) {
260 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
264 if (SSL_set_srp_server_param
265 (s, p->user->N, p->user->g, p->user->s, p->user->v,
266 p->user->info) < 0) {
267 *ad = SSL_AD_INTERNAL_ERROR;
271 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
272 p->login, p->user->info);
273 ret = SSL_ERROR_NONE;
276 SRP_user_pwd_free(p->user);
284 static int local_argc = 0;
285 static char **local_argv;
287 #ifdef CHARSET_EBCDIC
288 static int ebcdic_new(BIO *bi);
289 static int ebcdic_free(BIO *a);
290 static int ebcdic_read(BIO *b, char *out, int outl);
291 static int ebcdic_write(BIO *b, const char *in, int inl);
292 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
293 static int ebcdic_gets(BIO *bp, char *buf, int size);
294 static int ebcdic_puts(BIO *bp, const char *str);
296 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
297 static BIO_METHOD *methods_ebcdic = NULL;
299 /* This struct is "unwarranted chumminess with the compiler." */
305 static const BIO_METHOD *BIO_f_ebcdic_filter()
307 if (methods_ebcdic == NULL) {
308 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
309 "EBCDIC/ASCII filter");
310 if (methods_ebcdic == NULL
311 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
312 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
313 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
314 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
315 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
316 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
317 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
320 return methods_ebcdic;
323 static int ebcdic_new(BIO *bi)
325 EBCDIC_OUTBUFF *wbuf;
327 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
328 wbuf->alloced = 1024;
329 wbuf->buff[0] = '\0';
331 BIO_set_data(bi, wbuf);
336 static int ebcdic_free(BIO *a)
338 EBCDIC_OUTBUFF *wbuf;
342 wbuf = BIO_get_data(a);
344 BIO_set_data(a, NULL);
350 static int ebcdic_read(BIO *b, char *out, int outl)
353 BIO *next = BIO_next(b);
355 if (out == NULL || outl == 0)
360 ret = BIO_read(next, out, outl);
362 ascii2ebcdic(out, out, ret);
366 static int ebcdic_write(BIO *b, const char *in, int inl)
368 EBCDIC_OUTBUFF *wbuf;
369 BIO *next = BIO_next(b);
373 if ((in == NULL) || (inl <= 0))
378 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
380 if (inl > (num = wbuf->alloced)) {
381 num = num + num; /* double the size */
385 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
388 wbuf->buff[0] = '\0';
390 BIO_set_data(b, wbuf);
393 ebcdic2ascii(wbuf->buff, in, inl);
395 ret = BIO_write(next, wbuf->buff, inl);
400 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
403 BIO *next = BIO_next(b);
412 ret = BIO_ctrl(next, cmd, num, ptr);
418 static int ebcdic_gets(BIO *bp, char *buf, int size)
421 BIO *next = BIO_next(bp);
425 /* return(BIO_gets(bp->next_bio,buf,size));*/
426 for (i = 0; i < size - 1; ++i) {
427 ret = ebcdic_read(bp, &buf[i], 1);
430 else if (buf[i] == '\n') {
437 return (ret < 0 && i == 0) ? ret : i;
440 static int ebcdic_puts(BIO *bp, const char *str)
442 if (BIO_next(bp) == NULL)
444 return ebcdic_write(bp, str, strlen(str));
448 /* This is a context that we pass to callbacks */
449 typedef struct tlsextctx_st {
455 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
457 tlsextctx *p = (tlsextctx *) arg;
458 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
460 if (servername != NULL && p->biodebug != NULL) {
461 const char *cp = servername;
464 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
465 while ((uc = *cp++) != 0)
466 BIO_printf(p->biodebug,
467 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc);
468 BIO_printf(p->biodebug, "\"\n");
471 if (p->servername == NULL)
472 return SSL_TLSEXT_ERR_NOACK;
474 if (servername != NULL) {
475 if (strcasecmp(servername, p->servername))
476 return p->extension_error;
478 BIO_printf(p->biodebug, "Switching server context.\n");
479 SSL_set_SSL_CTX(s, ctx2);
482 return SSL_TLSEXT_ERR_OK;
485 /* Structure passed to cert status callback */
486 typedef struct tlsextstatusctx_st {
488 /* File to load OCSP Response from (or NULL if no file) */
490 /* Default responder to use */
491 char *host, *path, *port;
496 static tlsextstatusctx tlscstatp = { -1 };
498 #ifndef OPENSSL_NO_OCSP
501 * Helper function to get an OCSP_RESPONSE from a responder. This is a
502 * simplified version. It examines certificates each time and makes one OCSP
503 * responder query for each request. A full version would store details such as
504 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
505 * them until they were considered "expired".
507 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
508 OCSP_RESPONSE **resp)
510 char *host = NULL, *port = NULL, *path = NULL;
512 STACK_OF(OPENSSL_STRING) *aia = NULL;
514 X509_STORE_CTX *inctx = NULL;
516 OCSP_REQUEST *req = NULL;
517 OCSP_CERTID *id = NULL;
518 STACK_OF(X509_EXTENSION) *exts;
519 int ret = SSL_TLSEXT_ERR_NOACK;
522 /* Build up OCSP query from server certificate */
523 x = SSL_get_certificate(s);
524 aia = X509_get1_ocsp(x);
526 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
527 &host, &port, &path, &use_ssl)) {
528 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
532 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
533 sk_OPENSSL_STRING_value(aia, 0));
535 if (srctx->host == NULL) {
537 "cert_status: no AIA and no default responder URL\n");
543 use_ssl = srctx->use_ssl;
546 inctx = X509_STORE_CTX_new();
549 if (!X509_STORE_CTX_init(inctx,
550 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
553 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
554 X509_get_issuer_name(x));
556 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
559 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
560 X509_OBJECT_free(obj);
563 req = OCSP_REQUEST_new();
566 if (!OCSP_request_add0_id(req, id))
569 /* Add any extensions to the request */
570 SSL_get_tlsext_status_exts(s, &exts);
571 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
572 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
573 if (!OCSP_REQUEST_add_ext(req, ext, -1))
576 *resp = process_responder(req, host, path, port, use_ssl, NULL,
579 BIO_puts(bio_err, "cert_status: error querying responder\n");
583 ret = SSL_TLSEXT_ERR_OK;
587 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
590 * If we parsed aia we need to free; otherwise they were copied and we
597 X509_email_free(aia);
599 OCSP_CERTID_free(id);
600 OCSP_REQUEST_free(req);
601 X509_STORE_CTX_free(inctx);
606 * Certificate Status callback. This is called when a client includes a
607 * certificate status request extension. The response is either obtained from a
608 * file, or from an OCSP responder.
610 static int cert_status_cb(SSL *s, void *arg)
612 tlsextstatusctx *srctx = arg;
613 OCSP_RESPONSE *resp = NULL;
614 unsigned char *rspder = NULL;
616 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
619 BIO_puts(bio_err, "cert_status: callback called\n");
621 if (srctx->respin != NULL) {
622 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
623 if (derbio == NULL) {
624 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
627 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
630 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
634 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
635 if (ret != SSL_TLSEXT_ERR_OK)
639 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
643 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
644 if (srctx->verbose) {
645 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
646 OCSP_RESPONSE_print(bio_err, resp, 2);
649 ret = SSL_TLSEXT_ERR_OK;
652 if (ret != SSL_TLSEXT_ERR_OK)
653 ERR_print_errors(bio_err);
655 OCSP_RESPONSE_free(resp);
661 #ifndef OPENSSL_NO_NEXTPROTONEG
662 /* This is the context that we pass to next_proto_cb */
663 typedef struct tlsextnextprotoctx_st {
666 } tlsextnextprotoctx;
668 static int next_proto_cb(SSL *s, const unsigned char **data,
669 unsigned int *len, void *arg)
671 tlsextnextprotoctx *next_proto = arg;
673 *data = next_proto->data;
674 *len = next_proto->len;
676 return SSL_TLSEXT_ERR_OK;
678 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
680 /* This the context that we pass to alpn_cb */
681 typedef struct tlsextalpnctx_st {
686 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
687 const unsigned char *in, unsigned int inlen, void *arg)
689 tlsextalpnctx *alpn_ctx = arg;
692 /* We can assume that |in| is syntactically valid. */
694 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
695 for (i = 0; i < inlen;) {
697 BIO_write(bio_s_out, ", ", 2);
698 BIO_write(bio_s_out, &in[i + 1], in[i]);
701 BIO_write(bio_s_out, "\n", 1);
704 if (SSL_select_next_proto
705 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
706 inlen) != OPENSSL_NPN_NEGOTIATED) {
707 return SSL_TLSEXT_ERR_NOACK;
711 BIO_printf(bio_s_out, "ALPN protocols selected: ");
712 BIO_write(bio_s_out, *out, *outlen);
713 BIO_write(bio_s_out, "\n", 1);
716 return SSL_TLSEXT_ERR_OK;
719 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
721 /* disable resumption for sessions with forward secure ciphers */
722 return is_forward_secure;
725 #ifndef OPENSSL_NO_SRP
726 static srpsrvparm srp_callback_parm;
728 #ifndef OPENSSL_NO_SRTP
729 static char *srtp_profiles = NULL;
732 typedef enum OPTION_choice {
733 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
734 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
735 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
736 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
737 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
738 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
739 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
740 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
741 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
742 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
743 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
744 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
745 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
746 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
747 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
748 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
749 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
750 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
751 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
752 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
753 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
754 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
755 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
756 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_EARLY_DATA,
763 const OPTIONS s_server_options[] = {
764 {"help", OPT_HELP, '-', "Display this summary"},
765 {"port", OPT_PORT, 'p',
766 "TCP/IP port to listen on for connections (default is " PORT ")"},
767 {"accept", OPT_ACCEPT, 's',
768 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
770 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
772 {"4", OPT_4, '-', "Use IPv4 only"},
773 {"6", OPT_6, '-', "Use IPv6 only"},
775 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
777 {"context", OPT_CONTEXT, 's', "Set session ID context"},
778 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
779 {"Verify", OPT_UPPER_V_VERIFY, 'n',
780 "Turn on peer certificate verification, must have a cert"},
781 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
782 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
783 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
784 {"serverinfo", OPT_SERVERINFO, 's',
785 "PEM serverinfo file for certificate"},
786 {"certform", OPT_CERTFORM, 'F',
787 "Certificate format (PEM or DER) PEM default"},
788 {"key", OPT_KEY, 's',
789 "Private Key if not in -cert; default is " TEST_CERT},
790 {"keyform", OPT_KEYFORM, 'f',
791 "Key format (PEM, DER or ENGINE) PEM default"},
792 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
793 {"dcert", OPT_DCERT, '<',
794 "Second certificate file to use (usually for DSA)"},
795 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
796 {"dcertform", OPT_DCERTFORM, 'F',
797 "Second certificate format (PEM or DER) PEM default"},
798 {"dkey", OPT_DKEY, '<',
799 "Second private key file to use (usually for DSA)"},
800 {"dkeyform", OPT_DKEYFORM, 'F',
801 "Second key format (PEM, DER or ENGINE) PEM default"},
802 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
803 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
804 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
805 {"debug", OPT_DEBUG, '-', "Print more output"},
806 {"msg", OPT_MSG, '-', "Show protocol messages"},
807 {"msgfile", OPT_MSGFILE, '>',
808 "File to send output of -msg or -trace, instead of stdout"},
809 {"state", OPT_STATE, '-', "Print the SSL states"},
810 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
811 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
812 {"no-CAfile", OPT_NOCAFILE, '-',
813 "Do not load the default certificates file"},
814 {"no-CApath", OPT_NOCAPATH, '-',
815 "Do not load certificates from the default certificates directory"},
816 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
817 {"quiet", OPT_QUIET, '-', "No server output"},
818 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
819 "Disable caching and tickets if ephemeral (EC)DH is used"},
820 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
821 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
822 {"servername", OPT_SERVERNAME, 's',
823 "Servername for HostName TLS extension"},
824 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
825 "mismatch send fatal alert (default warning alert)"},
826 {"cert2", OPT_CERT2, '<',
827 "Certificate file to use for servername; default is" TEST_CERT2},
828 {"key2", OPT_KEY2, '<',
829 "-Private Key file to use for servername if not in -cert2"},
830 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
831 "Hex dump of all TLS extensions received"},
832 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
833 {"id_prefix", OPT_ID_PREFIX, 's',
834 "Generate SSL/TLS session IDs prefixed by arg"},
836 {"keymatexport", OPT_KEYMATEXPORT, 's',
837 "Export keying material using label"},
838 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
839 "Export len bytes of keying material (default 20)"},
840 {"CRL", OPT_CRL, '<', "CRL file to use"},
841 {"crl_download", OPT_CRL_DOWNLOAD, '-',
842 "Download CRL from distribution points"},
843 {"cert_chain", OPT_CERT_CHAIN, '<',
844 "certificate chain file in PEM format"},
845 {"dcert_chain", OPT_DCERT_CHAIN, '<',
846 "second certificate chain file in PEM format"},
847 {"chainCApath", OPT_CHAINCAPATH, '/',
848 "use dir as certificate store path to build CA certificate chain"},
849 {"verifyCApath", OPT_VERIFYCAPATH, '/',
850 "use dir as certificate store path to verify CA certificate"},
851 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
852 {"ext_cache", OPT_EXT_CACHE, '-',
853 "Disable internal cache, setup and use external cache"},
854 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
855 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
856 "Close connection on verification error"},
857 {"verify_quiet", OPT_VERIFY_QUIET, '-',
858 "No verify output except verify errors"},
859 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
860 {"chainCAfile", OPT_CHAINCAFILE, '<',
861 "CA file for certificate chain (PEM format)"},
862 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
863 "CA file for certificate verification (PEM format)"},
864 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
865 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
866 #ifndef OPENSSL_NO_OCSP
867 {"status", OPT_STATUS, '-', "Request certificate status from server"},
868 {"status_verbose", OPT_STATUS_VERBOSE, '-',
869 "Print more output in certificate status callback"},
870 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
871 "Status request responder timeout"},
872 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
873 {"status_file", OPT_STATUS_FILE, '<',
874 "File containing DER encoded OCSP Response"},
876 #ifndef OPENSSL_NO_SSL_TRACE
877 {"trace", OPT_TRACE, '-', "trace protocol messages"},
879 {"security_debug", OPT_SECURITY_DEBUG, '-',
880 "Print output from SSL/TLS security framework"},
881 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
882 "Print more output from SSL/TLS security framework"},
883 {"brief", OPT_BRIEF, '-',
884 "Restrict output to brief summary of connection parameters"},
885 {"rev", OPT_REV, '-',
886 "act as a simple test server which just sends back with the received text reversed"},
887 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
888 {"ssl_config", OPT_SSL_CONFIG, 's',
889 "Configure SSL_CTX using the configuration 'val'"},
890 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
891 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
892 "Size used to split data for encrypt pipelines"},
893 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
894 "Maximum number of encrypt/decrypt pipelines to be used"},
895 {"read_buf", OPT_READ_BUF, 'p',
896 "Default read buffer size to be used for connections"},
900 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
901 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
902 #ifndef OPENSSL_NO_PSK
903 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
905 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
906 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
907 #ifndef OPENSSL_NO_SRP
908 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
909 {"srpuserseed", OPT_SRPUSERSEED, 's',
910 "A seed string for a default user salt"},
912 #ifndef OPENSSL_NO_SSL3
913 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
915 #ifndef OPENSSL_NO_TLS1
916 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
918 #ifndef OPENSSL_NO_TLS1_1
919 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
921 #ifndef OPENSSL_NO_TLS1_2
922 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
924 #ifndef OPENSSL_NO_TLS1_3
925 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
927 #ifndef OPENSSL_NO_DTLS
928 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
929 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
930 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
931 {"listen", OPT_LISTEN, '-',
932 "Listen for a DTLS ClientHello with a cookie and then connect"},
934 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
935 #ifndef OPENSSL_NO_DTLS1
936 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
938 #ifndef OPENSSL_NO_DTLS1_2
939 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
941 #ifndef OPENSSL_NO_SCTP
942 {"sctp", OPT_SCTP, '-', "Use SCTP"},
944 #ifndef OPENSSL_NO_DH
945 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
947 #ifndef OPENSSL_NO_NEXTPROTONEG
948 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
949 "Set the advertised protocols for the NPN extension (comma-separated list)"},
951 #ifndef OPENSSL_NO_SRTP
952 {"use_srtp", OPT_SRTP_PROFILES, 's',
953 "Offer SRTP key management with a colon-separated profile list"},
955 {"alpn", OPT_ALPN, 's',
956 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
957 #ifndef OPENSSL_NO_ENGINE
958 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
960 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
961 {"max_early_data", OPT_MAX_EARLY, 'n',
962 "The maximum number of bytes of early data"},
963 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
964 {NULL, OPT_EOF, 0, NULL}
967 #define IS_PROT_FLAG(o) \
968 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
969 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
971 int s_server_main(int argc, char *argv[])
973 ENGINE *engine = NULL;
974 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
975 SSL_CONF_CTX *cctx = NULL;
976 const SSL_METHOD *meth = TLS_server_method();
977 SSL_EXCERT *exc = NULL;
978 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
979 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
980 STACK_OF(X509_CRL) *crls = NULL;
981 X509 *s_cert = NULL, *s_dcert = NULL;
982 X509_VERIFY_PARAM *vpm = NULL;
983 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
984 char *dpassarg = NULL, *dpass = NULL;
985 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
986 char *crl_file = NULL, *prog;
988 int unlink_unix_path = 0;
990 do_server_cb server_cb;
991 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
992 #ifndef OPENSSL_NO_DH
996 int nocert = 0, ret = 1;
997 int noCApath = 0, noCAfile = 0;
998 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
999 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1000 int rev = 0, naccept = -1, sdebug = 0;
1001 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1002 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1004 char *port = BUF_strdup(PORT);
1005 unsigned char *context = NULL;
1007 EVP_PKEY *s_key2 = NULL;
1008 X509 *s_cert2 = NULL;
1009 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1010 const char *ssl_config = NULL;
1011 int read_buf_len = 0;
1012 #ifndef OPENSSL_NO_NEXTPROTONEG
1013 const char *next_proto_neg_in = NULL;
1014 tlsextnextprotoctx next_proto = { NULL, 0 };
1016 const char *alpn_in = NULL;
1017 tlsextalpnctx alpn_ctx = { NULL, 0 };
1018 #ifndef OPENSSL_NO_PSK
1019 /* by default do not send a PSK identity hint */
1020 char *psk_identity_hint = NULL;
1023 #ifndef OPENSSL_NO_SRP
1024 char *srpuserseed = NULL;
1025 char *srp_verifier_file = NULL;
1027 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1028 int s_server_verify = SSL_VERIFY_NONE;
1029 int s_server_session_id_context = 1; /* anything will do */
1030 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1031 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1032 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1033 #ifndef OPENSSL_NO_OCSP
1034 int s_tlsextstatus = 0;
1036 int no_resume_ephemeral = 0;
1037 unsigned int max_send_fragment = 0;
1038 unsigned int split_send_fragment = 0, max_pipelines = 0;
1039 const char *s_serverinfo_file = NULL;
1040 const char *keylog_file = NULL;
1041 int max_early_data = -1;
1042 char *psksessf = NULL;
1044 /* Init of few remaining global variables */
1049 s_nbio = s_nbio_test = 0;
1058 cctx = SSL_CONF_CTX_new();
1059 vpm = X509_VERIFY_PARAM_new();
1060 if (cctx == NULL || vpm == NULL)
1062 SSL_CONF_CTX_set_flags(cctx,
1063 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1065 prog = opt_init(argc, argv, s_server_options);
1066 while ((o = opt_next()) != OPT_EOF) {
1067 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1068 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1071 if (IS_NO_PROT_FLAG(o))
1073 if (prot_opt == 1 && no_prot_opt) {
1075 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1082 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1085 opt_help(s_server_options);
1091 if (socket_family == AF_UNIX) {
1092 OPENSSL_free(host); host = NULL;
1093 OPENSSL_free(port); port = NULL;
1096 socket_family = AF_INET;
1102 if (socket_family == AF_UNIX) {
1103 OPENSSL_free(host); host = NULL;
1104 OPENSSL_free(port); port = NULL;
1107 socket_family = AF_INET6;
1110 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1116 if (socket_family == AF_UNIX) {
1117 socket_family = AF_UNSPEC;
1120 OPENSSL_free(port); port = NULL;
1121 OPENSSL_free(host); host = NULL;
1122 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1124 "%s: -port argument malformed or ambiguous\n",
1131 if (socket_family == AF_UNIX) {
1132 socket_family = AF_UNSPEC;
1135 OPENSSL_free(port); port = NULL;
1136 OPENSSL_free(host); host = NULL;
1137 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1139 "%s: -accept argument malformed or ambiguous\n",
1146 socket_family = AF_UNIX;
1147 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1148 OPENSSL_free(port); port = NULL;
1151 unlink_unix_path = 1;
1155 naccept = atol(opt_arg());
1158 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1159 verify_args.depth = atoi(opt_arg());
1161 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1163 case OPT_UPPER_V_VERIFY:
1165 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1166 SSL_VERIFY_CLIENT_ONCE;
1167 verify_args.depth = atoi(opt_arg());
1170 "verify depth is %d, must return a certificate\n",
1174 context = (unsigned char *)opt_arg();
1177 s_cert_file = opt_arg();
1180 if (!set_nameopt(opt_arg()))
1184 crl_file = opt_arg();
1186 case OPT_CRL_DOWNLOAD:
1189 case OPT_SERVERINFO:
1190 s_serverinfo_file = opt_arg();
1193 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1197 s_key_file = opt_arg();
1200 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1204 passarg = opt_arg();
1206 case OPT_CERT_CHAIN:
1207 s_chain_file = opt_arg();
1210 #ifndef OPENSSL_NO_DH
1215 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1219 s_dcert_file = opt_arg();
1222 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1226 dpassarg = opt_arg();
1229 s_dkey_file = opt_arg();
1231 case OPT_DCERT_CHAIN:
1232 s_dchain_file = opt_arg();
1243 case OPT_CHAINCAPATH:
1244 chCApath = opt_arg();
1246 case OPT_VERIFYCAPATH:
1247 vfyCApath = opt_arg();
1256 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1260 if (ssl_args == NULL)
1261 ssl_args = sk_OPENSSL_STRING_new_null();
1262 if (ssl_args == NULL
1263 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1264 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1265 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1270 if (!opt_verify(o, vpm))
1275 if (!args_excert(o, &exc))
1278 case OPT_VERIFY_RET_ERROR:
1279 verify_args.return_error = 1;
1281 case OPT_VERIFY_QUIET:
1282 verify_args.quiet = 1;
1284 case OPT_BUILD_CHAIN:
1293 case OPT_CHAINCAFILE:
1294 chCAfile = opt_arg();
1296 case OPT_VERIFYCAFILE:
1297 vfyCAfile = opt_arg();
1303 s_nbio = s_nbio_test = 1;
1308 case OPT_NO_IGN_EOF:
1314 case OPT_TLSEXTDEBUG:
1318 #ifndef OPENSSL_NO_OCSP
1322 case OPT_STATUS_VERBOSE:
1323 #ifndef OPENSSL_NO_OCSP
1324 s_tlsextstatus = tlscstatp.verbose = 1;
1327 case OPT_STATUS_TIMEOUT:
1328 #ifndef OPENSSL_NO_OCSP
1330 tlscstatp.timeout = atoi(opt_arg());
1333 case OPT_STATUS_URL:
1334 #ifndef OPENSSL_NO_OCSP
1336 if (!OCSP_parse_url(opt_arg(),
1339 &tlscstatp.path, &tlscstatp.use_ssl)) {
1340 BIO_printf(bio_err, "Error parsing URL\n");
1345 case OPT_STATUS_FILE:
1346 #ifndef OPENSSL_NO_OCSP
1348 tlscstatp.respin = opt_arg();
1355 bio_s_msg = BIO_new_file(opt_arg(), "w");
1358 #ifndef OPENSSL_NO_SSL_TRACE
1362 case OPT_SECURITY_DEBUG:
1365 case OPT_SECURITY_DEBUG_VERBOSE:
1378 s_quiet = s_brief = verify_args.quiet = 1;
1381 #ifndef OPENSSL_NO_DH
1385 case OPT_NO_RESUME_EPHEMERAL:
1386 no_resume_ephemeral = 1;
1388 case OPT_PSK_IDENTITY:
1389 psk_identity = opt_arg();
1392 #ifndef OPENSSL_NO_PSK
1393 psk_identity_hint = opt_arg();
1397 for (p = psk_key = opt_arg(); *p; p++) {
1398 if (isxdigit(_UC(*p)))
1400 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1405 psksessf = opt_arg();
1408 #ifndef OPENSSL_NO_SRP
1409 srp_verifier_file = opt_arg();
1410 if (min_version < TLS1_VERSION)
1411 min_version = TLS1_VERSION;
1414 case OPT_SRPUSERSEED:
1415 #ifndef OPENSSL_NO_SRP
1416 srpuserseed = opt_arg();
1417 if (min_version < TLS1_VERSION)
1418 min_version = TLS1_VERSION;
1433 case OPT_SSL_CONFIG:
1434 ssl_config = opt_arg();
1437 min_version = SSL3_VERSION;
1438 max_version = SSL3_VERSION;
1441 min_version = TLS1_3_VERSION;
1442 max_version = TLS1_3_VERSION;
1445 min_version = TLS1_2_VERSION;
1446 max_version = TLS1_2_VERSION;
1449 min_version = TLS1_1_VERSION;
1450 max_version = TLS1_1_VERSION;
1453 min_version = TLS1_VERSION;
1454 max_version = TLS1_VERSION;
1457 #ifndef OPENSSL_NO_DTLS
1458 meth = DTLS_server_method();
1459 socket_type = SOCK_DGRAM;
1463 #ifndef OPENSSL_NO_DTLS
1464 meth = DTLS_server_method();
1465 min_version = DTLS1_VERSION;
1466 max_version = DTLS1_VERSION;
1467 socket_type = SOCK_DGRAM;
1471 #ifndef OPENSSL_NO_DTLS
1472 meth = DTLS_server_method();
1473 min_version = DTLS1_2_VERSION;
1474 max_version = DTLS1_2_VERSION;
1475 socket_type = SOCK_DGRAM;
1479 #ifndef OPENSSL_NO_SCTP
1480 protocol = IPPROTO_SCTP;
1484 #ifndef OPENSSL_NO_DTLS
1485 enable_timeouts = 1;
1489 #ifndef OPENSSL_NO_DTLS
1490 socket_mtu = atol(opt_arg());
1494 #ifndef OPENSSL_NO_DTLS
1502 session_id_prefix = opt_arg();
1505 engine = setup_engine(opt_arg(), 1);
1511 case OPT_SERVERNAME:
1512 tlsextcbp.servername = opt_arg();
1514 case OPT_SERVERNAME_FATAL:
1515 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1518 s_cert_file2 = opt_arg();
1521 s_key_file2 = opt_arg();
1523 case OPT_NEXTPROTONEG:
1524 # ifndef OPENSSL_NO_NEXTPROTONEG
1525 next_proto_neg_in = opt_arg();
1529 alpn_in = opt_arg();
1531 case OPT_SRTP_PROFILES:
1532 #ifndef OPENSSL_NO_SRTP
1533 srtp_profiles = opt_arg();
1536 case OPT_KEYMATEXPORT:
1537 keymatexportlabel = opt_arg();
1539 case OPT_KEYMATEXPORTLEN:
1540 keymatexportlen = atoi(opt_arg());
1545 case OPT_MAX_SEND_FRAG:
1546 max_send_fragment = atoi(opt_arg());
1548 case OPT_SPLIT_SEND_FRAG:
1549 split_send_fragment = atoi(opt_arg());
1551 case OPT_MAX_PIPELINES:
1552 max_pipelines = atoi(opt_arg());
1555 read_buf_len = atoi(opt_arg());
1557 case OPT_KEYLOG_FILE:
1558 keylog_file = opt_arg();
1561 max_early_data = atoi(opt_arg());
1562 if (max_early_data < 0) {
1563 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1567 case OPT_EARLY_DATA:
1569 if (max_early_data == -1)
1570 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1574 argc = opt_num_rest();
1577 #ifndef OPENSSL_NO_NEXTPROTONEG
1578 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1579 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1583 #ifndef OPENSSL_NO_DTLS
1584 if (www && socket_type == SOCK_DGRAM) {
1585 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1589 if (dtlslisten && socket_type != SOCK_DGRAM) {
1590 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1595 if (stateless && socket_type != SOCK_STREAM) {
1596 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1601 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1603 "Can't use unix sockets and datagrams together\n");
1608 #ifndef OPENSSL_NO_SCTP
1609 if (protocol == IPPROTO_SCTP) {
1610 if (socket_type != SOCK_DGRAM) {
1611 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1614 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1615 socket_type = SOCK_STREAM;
1619 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1620 BIO_printf(bio_err, "Error getting password\n");
1624 if (s_key_file == NULL)
1625 s_key_file = s_cert_file;
1627 if (s_key_file2 == NULL)
1628 s_key_file2 = s_cert_file2;
1630 if (!load_excert(&exc))
1634 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1635 "server certificate private key file");
1636 if (s_key == NULL) {
1637 ERR_print_errors(bio_err);
1641 s_cert = load_cert(s_cert_file, s_cert_format,
1642 "server certificate file");
1644 if (s_cert == NULL) {
1645 ERR_print_errors(bio_err);
1648 if (s_chain_file != NULL) {
1649 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1650 "server certificate chain"))
1654 if (tlsextcbp.servername != NULL) {
1655 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1656 "second server certificate private key file");
1657 if (s_key2 == NULL) {
1658 ERR_print_errors(bio_err);
1662 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1663 "second server certificate file");
1665 if (s_cert2 == NULL) {
1666 ERR_print_errors(bio_err);
1671 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1672 if (next_proto_neg_in) {
1673 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1674 if (next_proto.data == NULL)
1678 alpn_ctx.data = NULL;
1680 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1681 if (alpn_ctx.data == NULL)
1685 if (crl_file != NULL) {
1687 crl = load_crl(crl_file, crl_format);
1689 BIO_puts(bio_err, "Error loading CRL\n");
1690 ERR_print_errors(bio_err);
1693 crls = sk_X509_CRL_new_null();
1694 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1695 BIO_puts(bio_err, "Error adding CRL\n");
1696 ERR_print_errors(bio_err);
1702 if (s_dcert_file != NULL) {
1704 if (s_dkey_file == NULL)
1705 s_dkey_file = s_dcert_file;
1707 s_dkey = load_key(s_dkey_file, s_dkey_format,
1708 0, dpass, engine, "second certificate private key file");
1709 if (s_dkey == NULL) {
1710 ERR_print_errors(bio_err);
1714 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1715 "second server certificate file");
1717 if (s_dcert == NULL) {
1718 ERR_print_errors(bio_err);
1721 if (s_dchain_file != NULL) {
1722 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1723 "second server certificate chain"))
1729 if (bio_s_out == NULL) {
1730 if (s_quiet && !s_debug) {
1731 bio_s_out = BIO_new(BIO_s_null());
1732 if (s_msg && bio_s_msg == NULL)
1733 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1735 if (bio_s_out == NULL)
1736 bio_s_out = dup_bio_out(FORMAT_TEXT);
1739 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1745 s_dcert_file = NULL;
1747 s_cert_file2 = NULL;
1751 ctx = SSL_CTX_new(meth);
1753 ERR_print_errors(bio_err);
1757 ssl_ctx_security_debug(ctx, sdebug);
1759 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1760 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1762 ERR_print_errors(bio_err);
1766 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1768 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1771 if (session_id_prefix) {
1772 if (strlen(session_id_prefix) >= 32)
1774 "warning: id_prefix is too long, only one new session will be possible\n");
1775 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1776 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1777 ERR_print_errors(bio_err);
1780 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1782 SSL_CTX_set_quiet_shutdown(ctx, 1);
1784 ssl_ctx_set_excert(ctx, exc);
1787 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1789 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1791 init_session_cache_ctx(ctx);
1793 SSL_CTX_sess_set_cache_size(ctx, 128);
1796 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1799 if (max_send_fragment > 0
1800 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1801 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1802 prog, max_send_fragment);
1806 if (split_send_fragment > 0
1807 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1808 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1809 prog, split_send_fragment);
1812 if (max_pipelines > 0
1813 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1814 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1815 prog, max_pipelines);
1819 if (read_buf_len > 0) {
1820 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1822 #ifndef OPENSSL_NO_SRTP
1823 if (srtp_profiles != NULL) {
1824 /* Returns 0 on success! */
1825 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1826 BIO_printf(bio_err, "Error setting SRTP profile\n");
1827 ERR_print_errors(bio_err);
1833 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1834 ERR_print_errors(bio_err);
1837 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1838 BIO_printf(bio_err, "Error setting verify params\n");
1839 ERR_print_errors(bio_err);
1843 ssl_ctx_add_crls(ctx, crls, 0);
1844 if (!config_ctx(cctx, ssl_args, ctx))
1847 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1848 crls, crl_download)) {
1849 BIO_printf(bio_err, "Error loading store locations\n");
1850 ERR_print_errors(bio_err);
1855 ctx2 = SSL_CTX_new(meth);
1857 ERR_print_errors(bio_err);
1863 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1866 ssl_ctx_security_debug(ctx, sdebug);
1868 if (session_id_prefix) {
1869 if (strlen(session_id_prefix) >= 32)
1871 "warning: id_prefix is too long, only one new session will be possible\n");
1872 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1873 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1874 ERR_print_errors(bio_err);
1877 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1879 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1881 ssl_ctx_set_excert(ctx2, exc);
1884 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1887 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1889 init_session_cache_ctx(ctx2);
1891 SSL_CTX_sess_set_cache_size(ctx2, 128);
1894 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1896 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1898 ERR_print_errors(bio_err);
1901 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1902 BIO_printf(bio_err, "Error setting verify params\n");
1903 ERR_print_errors(bio_err);
1907 ssl_ctx_add_crls(ctx2, crls, 0);
1908 if (!config_ctx(cctx, ssl_args, ctx2))
1911 #ifndef OPENSSL_NO_NEXTPROTONEG
1912 if (next_proto.data)
1913 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1917 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1919 #ifndef OPENSSL_NO_DH
1924 dh = load_dh_param(dhfile);
1925 else if (s_cert_file != NULL)
1926 dh = load_dh_param(s_cert_file);
1929 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1931 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1933 (void)BIO_flush(bio_s_out);
1936 SSL_CTX_set_dh_auto(ctx, 1);
1937 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1938 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1939 ERR_print_errors(bio_err);
1946 DH *dh2 = load_dh_param(s_cert_file2);
1948 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1949 (void)BIO_flush(bio_s_out);
1956 SSL_CTX_set_dh_auto(ctx2, 1);
1957 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1958 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1959 ERR_print_errors(bio_err);
1968 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1971 if (s_serverinfo_file != NULL
1972 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1973 ERR_print_errors(bio_err);
1978 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1981 if (s_dcert != NULL) {
1982 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1986 if (no_resume_ephemeral) {
1987 SSL_CTX_set_not_resumable_session_callback(ctx,
1988 not_resumable_sess_cb);
1991 SSL_CTX_set_not_resumable_session_callback(ctx2,
1992 not_resumable_sess_cb);
1994 #ifndef OPENSSL_NO_PSK
1995 if (psk_key != NULL) {
1997 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1998 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2001 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2002 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2003 ERR_print_errors(bio_err);
2007 if (psksessf != NULL) {
2008 BIO *stmp = BIO_new_file(psksessf, "r");
2011 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2012 ERR_print_errors(bio_err);
2015 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2017 if (psksess == NULL) {
2018 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2019 ERR_print_errors(bio_err);
2025 if (psk_key != NULL || psksess != NULL)
2026 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2028 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2029 if (!SSL_CTX_set_session_id_context(ctx,
2030 (void *)&s_server_session_id_context,
2031 sizeof(s_server_session_id_context))) {
2032 BIO_printf(bio_err, "error setting session id context\n");
2033 ERR_print_errors(bio_err);
2037 /* Set DTLS cookie generation and verification callbacks */
2038 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2039 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2041 /* Set TLS1.3 cookie generation and verification callbacks */
2042 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2043 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2046 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2047 if (!SSL_CTX_set_session_id_context(ctx2,
2048 (void *)&s_server_session_id_context,
2049 sizeof(s_server_session_id_context))) {
2050 BIO_printf(bio_err, "error setting session id context\n");
2051 ERR_print_errors(bio_err);
2054 tlsextcbp.biodebug = bio_s_out;
2055 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2056 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2057 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2058 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2061 #ifndef OPENSSL_NO_SRP
2062 if (srp_verifier_file != NULL) {
2063 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2064 srp_callback_parm.user = NULL;
2065 srp_callback_parm.login = NULL;
2067 SRP_VBASE_init(srp_callback_parm.vb,
2068 srp_verifier_file)) != SRP_NO_ERROR) {
2070 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2071 srp_verifier_file, ret);
2074 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2075 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2076 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2079 if (CAfile != NULL) {
2080 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2083 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2085 #ifndef OPENSSL_NO_OCSP
2086 if (s_tlsextstatus) {
2087 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2088 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2090 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2091 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2095 if (set_keylog_file(ctx, keylog_file))
2098 if (max_early_data >= 0)
2099 SSL_CTX_set_max_early_data(ctx, max_early_data);
2101 BIO_printf(bio_s_out, "ACCEPT\n");
2102 (void)BIO_flush(bio_s_out);
2104 server_cb = rev_body;
2106 server_cb = www_body;
2108 server_cb = sv_body;
2110 if (socket_family == AF_UNIX
2111 && unlink_unix_path)
2114 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2115 server_cb, context, naccept);
2116 print_stats(bio_s_out, ctx);
2120 SSL_SESSION_free(psksess);
2121 set_keylog_file(NULL, NULL);
2123 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2125 EVP_PKEY_free(s_key);
2126 EVP_PKEY_free(s_dkey);
2127 sk_X509_pop_free(s_chain, X509_free);
2128 sk_X509_pop_free(s_dchain, X509_free);
2130 OPENSSL_free(dpass);
2133 X509_VERIFY_PARAM_free(vpm);
2135 OPENSSL_free(tlscstatp.host);
2136 OPENSSL_free(tlscstatp.port);
2137 OPENSSL_free(tlscstatp.path);
2140 EVP_PKEY_free(s_key2);
2141 #ifndef OPENSSL_NO_NEXTPROTONEG
2142 OPENSSL_free(next_proto.data);
2144 OPENSSL_free(alpn_ctx.data);
2145 ssl_excert_free(exc);
2146 sk_OPENSSL_STRING_free(ssl_args);
2147 SSL_CONF_CTX_free(cctx);
2148 release_engine(engine);
2149 BIO_free(bio_s_out);
2151 BIO_free(bio_s_msg);
2153 #ifdef CHARSET_EBCDIC
2154 BIO_meth_free(methods_ebcdic);
2159 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2161 BIO_printf(bio, "%4ld items in the session cache\n",
2162 SSL_CTX_sess_number(ssl_ctx));
2163 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2164 SSL_CTX_sess_connect(ssl_ctx));
2165 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2166 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2167 BIO_printf(bio, "%4ld client connects that finished\n",
2168 SSL_CTX_sess_connect_good(ssl_ctx));
2169 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2170 SSL_CTX_sess_accept(ssl_ctx));
2171 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2172 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2173 BIO_printf(bio, "%4ld server accepts that finished\n",
2174 SSL_CTX_sess_accept_good(ssl_ctx));
2175 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2176 BIO_printf(bio, "%4ld session cache misses\n",
2177 SSL_CTX_sess_misses(ssl_ctx));
2178 BIO_printf(bio, "%4ld session cache timeouts\n",
2179 SSL_CTX_sess_timeouts(ssl_ctx));
2180 BIO_printf(bio, "%4ld callback cache hits\n",
2181 SSL_CTX_sess_cb_hits(ssl_ctx));
2182 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2183 SSL_CTX_sess_cache_full(ssl_ctx),
2184 SSL_CTX_sess_get_cache_size(ssl_ctx));
2187 static int sv_body(int s, int stype, int prot, unsigned char *context)
2196 struct timeval timeout;
2197 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2200 struct timeval *timeoutp;
2202 #ifndef OPENSSL_NO_DTLS
2203 # ifndef OPENSSL_NO_SCTP
2204 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2206 int isdtls = (stype == SOCK_DGRAM);
2210 buf = app_malloc(bufsize, "server buffer");
2212 if (!BIO_socket_nbio(s, 1))
2213 ERR_print_errors(bio_err);
2215 BIO_printf(bio_err, "Turned on non blocking io\n");
2224 if (s_tlsextdebug) {
2225 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2226 SSL_set_tlsext_debug_arg(con, bio_s_out);
2230 && !SSL_set_session_id_context(con, context,
2231 strlen((char *)context))) {
2232 BIO_printf(bio_err, "Error setting session id context\n");
2237 if (!SSL_clear(con)) {
2238 BIO_printf(bio_err, "Error clearing SSL connection\n");
2242 #ifndef OPENSSL_NO_DTLS
2244 # ifndef OPENSSL_NO_SCTP
2245 if (prot == IPPROTO_SCTP)
2246 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2249 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2251 if (enable_timeouts) {
2253 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2254 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2257 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2258 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2262 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2263 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2264 DTLS_get_link_min_mtu(con));
2269 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2270 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2271 BIO_printf(bio_err, "Failed to set MTU\n");
2277 /* want to do MTU discovery */
2278 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2280 # ifndef OPENSSL_NO_SCTP
2281 if (prot != IPPROTO_SCTP)
2283 /* Turn on cookie exchange. Not necessary for SCTP */
2284 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2287 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2290 BIO_printf(bio_err, "Unable to create BIO\n");
2291 ERR_print_errors(bio_err);
2298 test = BIO_new(BIO_f_nbio_test());
2299 sbio = BIO_push(test, sbio);
2302 SSL_set_bio(con, sbio, sbio);
2303 SSL_set_accept_state(con);
2304 /* SSL_set_fd(con,s); */
2307 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2308 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2311 #ifndef OPENSSL_NO_SSL_TRACE
2313 SSL_set_msg_callback(con, SSL_trace);
2316 SSL_set_msg_callback(con, msg_cb);
2317 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2320 if (s_tlsextdebug) {
2321 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2322 SSL_set_tlsext_debug_arg(con, bio_s_out);
2326 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2329 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2331 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2332 if (edret != SSL_READ_EARLY_DATA_ERROR)
2335 switch (SSL_get_error(con, 0)) {
2336 case SSL_ERROR_WANT_WRITE:
2337 case SSL_ERROR_WANT_ASYNC:
2338 case SSL_ERROR_WANT_READ:
2339 /* Just keep trying - busy waiting */
2342 BIO_printf(bio_err, "Error reading early data\n");
2343 ERR_print_errors(bio_err);
2347 if (readbytes > 0) {
2349 BIO_printf(bio_s_out, "Early data received:\n");
2352 raw_write_stdout(buf, (unsigned int)readbytes);
2353 (void)BIO_flush(bio_s_out);
2357 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2358 BIO_printf(bio_s_out, "No early data received\n");
2360 BIO_printf(bio_s_out, "Early data was rejected\n");
2362 BIO_printf(bio_s_out, "\nEnd of early data\n");
2364 if (SSL_is_init_finished(con))
2365 print_connection_info(con);
2368 if (fileno_stdin() > s)
2369 width = fileno_stdin() + 1;
2373 int read_from_terminal;
2374 int read_from_sslcon;
2376 read_from_terminal = 0;
2377 read_from_sslcon = SSL_has_pending(con)
2378 || (async && SSL_waiting_for_async(con));
2380 if (!read_from_sslcon) {
2382 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2383 openssl_fdset(fileno_stdin(), &readfds);
2385 openssl_fdset(s, &readfds);
2387 * Note: under VMS with SOCKETSHR the second parameter is
2388 * currently of type (int *) whereas under other systems it is
2389 * (void *) if you don't have a cast it will choke the compiler:
2390 * if you do have a cast then you can either go for (int *) or
2393 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2395 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2396 * only on sockets. As a workaround we timeout the select every
2397 * second and check for any keypress. In a proper Windows
2398 * application we wouldn't do this because it is inefficient.
2402 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2403 if (has_stdin_waiting())
2404 read_from_terminal = 1;
2405 if ((i < 0) || (!i && !read_from_terminal))
2408 if ((SSL_version(con) == DTLS1_VERSION) &&
2409 DTLSv1_get_timeout(con, &timeout))
2410 timeoutp = &timeout;
2414 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2416 if ((SSL_version(con) == DTLS1_VERSION)
2417 && DTLSv1_handle_timeout(con) > 0) {
2418 BIO_printf(bio_err, "TIMEOUT occurred\n");
2423 if (FD_ISSET(fileno_stdin(), &readfds))
2424 read_from_terminal = 1;
2426 if (FD_ISSET(s, &readfds))
2427 read_from_sslcon = 1;
2429 if (read_from_terminal) {
2433 i = raw_read_stdin(buf, bufsize / 2);
2435 /* both loops are skipped when i <= 0 */
2436 for (j = 0; j < i; j++)
2439 for (j = i - 1; j >= 0; j--) {
2440 buf[j + lf_num] = buf[j];
2441 if (buf[j] == '\n') {
2444 buf[j + lf_num] = '\r';
2447 assert(lf_num == 0);
2449 i = raw_read_stdin(buf, bufsize);
2452 if (!s_quiet && !s_brief) {
2453 if ((i <= 0) || (buf[0] == 'Q')) {
2454 BIO_printf(bio_s_out, "DONE\n");
2455 (void)BIO_flush(bio_s_out);
2457 close_accept_socket();
2461 if ((i <= 0) || (buf[0] == 'q')) {
2462 BIO_printf(bio_s_out, "DONE\n");
2463 (void)BIO_flush(bio_s_out);
2464 if (SSL_version(con) != DTLS1_VERSION)
2467 * close_accept_socket(); ret= -11;
2471 #ifndef OPENSSL_NO_HEARTBEATS
2472 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2473 BIO_printf(bio_err, "HEARTBEATING\n");
2479 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2480 SSL_renegotiate(con);
2481 i = SSL_do_handshake(con);
2482 printf("SSL_do_handshake -> %d\n", i);
2486 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2488 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2490 SSL_renegotiate(con);
2491 i = SSL_do_handshake(con);
2492 printf("SSL_do_handshake -> %d\n", i);
2496 if ((buf[0] == 'K' || buf[0] == 'k')
2497 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2498 SSL_key_update(con, buf[0] == 'K' ?
2499 SSL_KEY_UPDATE_REQUESTED
2500 : SSL_KEY_UPDATE_NOT_REQUESTED);
2501 i = SSL_do_handshake(con);
2502 printf("SSL_do_handshake -> %d\n", i);
2506 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2507 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2508 i = SSL_verify_client_post_handshake(con);
2510 printf("Failed to initiate request\n");
2511 ERR_print_errors(bio_err);
2513 i = SSL_do_handshake(con);
2514 printf("SSL_do_handshake -> %d\n", i);
2519 if (buf[0] == 'P') {
2520 static const char *str = "Lets print some clear text\n";
2521 BIO_write(SSL_get_wbio(con), str, strlen(str));
2523 if (buf[0] == 'S') {
2524 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2527 #ifdef CHARSET_EBCDIC
2528 ebcdic2ascii(buf, buf, i);
2532 /* should do a select for the write */
2535 if (++count == 100) {
2537 SSL_renegotiate(con);
2540 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2541 #ifndef OPENSSL_NO_SRP
2542 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2543 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2544 SRP_user_pwd_free(srp_callback_parm.user);
2545 srp_callback_parm.user =
2546 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2547 srp_callback_parm.login);
2548 if (srp_callback_parm.user)
2549 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2550 srp_callback_parm.user->info);
2552 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2553 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2556 switch (SSL_get_error(con, k)) {
2557 case SSL_ERROR_NONE:
2559 case SSL_ERROR_WANT_ASYNC:
2560 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2561 (void)BIO_flush(bio_s_out);
2562 wait_for_async(con);
2564 case SSL_ERROR_WANT_WRITE:
2565 case SSL_ERROR_WANT_READ:
2566 case SSL_ERROR_WANT_X509_LOOKUP:
2567 BIO_printf(bio_s_out, "Write BLOCK\n");
2568 (void)BIO_flush(bio_s_out);
2570 case SSL_ERROR_WANT_ASYNC_JOB:
2572 * This shouldn't ever happen in s_server. Treat as an error
2574 case SSL_ERROR_SYSCALL:
2576 BIO_printf(bio_s_out, "ERROR\n");
2577 (void)BIO_flush(bio_s_out);
2578 ERR_print_errors(bio_err);
2582 case SSL_ERROR_ZERO_RETURN:
2583 BIO_printf(bio_s_out, "DONE\n");
2584 (void)BIO_flush(bio_s_out);
2596 if (read_from_sslcon) {
2598 * init_ssl_connection handles all async events itself so if we're
2599 * waiting for async then we shouldn't go back into
2600 * init_ssl_connection
2602 if ((!async || !SSL_waiting_for_async(con))
2603 && !SSL_is_init_finished(con)) {
2604 i = init_ssl_connection(con);
2609 } else if (i == 0) {
2615 i = SSL_read(con, (char *)buf, bufsize);
2616 #ifndef OPENSSL_NO_SRP
2617 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2618 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2619 SRP_user_pwd_free(srp_callback_parm.user);
2620 srp_callback_parm.user =
2621 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2622 srp_callback_parm.login);
2623 if (srp_callback_parm.user)
2624 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2625 srp_callback_parm.user->info);
2627 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2628 i = SSL_read(con, (char *)buf, bufsize);
2631 switch (SSL_get_error(con, i)) {
2632 case SSL_ERROR_NONE:
2633 #ifdef CHARSET_EBCDIC
2634 ascii2ebcdic(buf, buf, i);
2636 raw_write_stdout(buf, (unsigned int)i);
2637 (void)BIO_flush(bio_s_out);
2638 if (SSL_has_pending(con))
2641 case SSL_ERROR_WANT_ASYNC:
2642 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2643 (void)BIO_flush(bio_s_out);
2644 wait_for_async(con);
2646 case SSL_ERROR_WANT_WRITE:
2647 case SSL_ERROR_WANT_READ:
2648 BIO_printf(bio_s_out, "Read BLOCK\n");
2649 (void)BIO_flush(bio_s_out);
2651 case SSL_ERROR_WANT_ASYNC_JOB:
2653 * This shouldn't ever happen in s_server. Treat as an error
2655 case SSL_ERROR_SYSCALL:
2657 BIO_printf(bio_s_out, "ERROR\n");
2658 (void)BIO_flush(bio_s_out);
2659 ERR_print_errors(bio_err);
2662 case SSL_ERROR_ZERO_RETURN:
2663 BIO_printf(bio_s_out, "DONE\n");
2664 (void)BIO_flush(bio_s_out);
2673 BIO_printf(bio_s_out, "shutting down SSL\n");
2674 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2677 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2678 OPENSSL_clear_free(buf, bufsize);
2680 BIO_printf(bio_s_out, "ACCEPT\n");
2681 (void)BIO_flush(bio_s_out);
2685 static void close_accept_socket(void)
2687 BIO_printf(bio_err, "shutdown accept socket\n");
2688 if (accept_socket >= 0) {
2689 BIO_closesocket(accept_socket);
2693 static int is_retryable(SSL *con, int i)
2695 int err = SSL_get_error(con, i);
2697 /* If it's not a fatal error, it must be retryable */
2698 return (err != SSL_ERROR_SSL)
2699 && (err != SSL_ERROR_SYSCALL)
2700 && (err != SSL_ERROR_ZERO_RETURN);
2703 static int init_ssl_connection(SSL *con)
2709 if (dtlslisten || stateless) {
2710 BIO_ADDR *client = NULL;
2713 if ((client = BIO_ADDR_new()) == NULL) {
2714 BIO_printf(bio_err, "ERROR - memory\n");
2717 i = DTLSv1_listen(con, client);
2719 i = SSL_stateless(con);
2726 wbio = SSL_get_wbio(con);
2728 BIO_get_fd(wbio, &fd);
2731 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2732 BIO_printf(bio_err, "ERROR - unable to connect\n");
2733 BIO_ADDR_free(client);
2736 BIO_ADDR_free(client);
2741 i = SSL_accept(con);
2743 BIO_ADDR_free(client);
2747 i = SSL_accept(con);
2750 retry = is_retryable(con, i);
2751 #ifdef CERT_CB_TEST_RETRY
2754 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2755 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2757 "LOOKUP from certificate callback during accept\n");
2758 i = SSL_accept(con);
2760 retry = is_retryable(con, i);
2765 #ifndef OPENSSL_NO_SRP
2767 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2768 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2769 srp_callback_parm.login);
2770 SRP_user_pwd_free(srp_callback_parm.user);
2771 srp_callback_parm.user =
2772 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2773 srp_callback_parm.login);
2774 if (srp_callback_parm.user)
2775 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2776 srp_callback_parm.user->info);
2778 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2779 i = SSL_accept(con);
2781 retry = is_retryable(con, i);
2784 } while (i < 0 && SSL_waiting_for_async(con));
2788 if (((dtlslisten || stateless) && i == 0)
2789 || (!dtlslisten && !stateless && retry)) {
2790 BIO_printf(bio_s_out, "DELAY\n");
2794 BIO_printf(bio_err, "ERROR\n");
2796 verify_err = SSL_get_verify_result(con);
2797 if (verify_err != X509_V_OK) {
2798 BIO_printf(bio_err, "verify error:%s\n",
2799 X509_verify_cert_error_string(verify_err));
2801 /* Always print any error messages */
2802 ERR_print_errors(bio_err);
2806 print_connection_info(con);
2810 static void print_connection_info(SSL *con)
2815 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2816 const unsigned char *next_proto_neg;
2817 unsigned next_proto_neg_len;
2819 unsigned char *exportedkeymat;
2823 print_ssl_summary(con);
2825 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2827 peer = SSL_get_peer_certificate(con);
2829 BIO_printf(bio_s_out, "Client certificate\n");
2830 PEM_write_bio_X509(bio_s_out, peer);
2831 dump_cert_text(bio_s_out, peer);
2836 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2837 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2838 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2839 ssl_print_sigalgs(bio_s_out, con);
2840 #ifndef OPENSSL_NO_EC
2841 ssl_print_point_formats(bio_s_out, con);
2842 ssl_print_groups(bio_s_out, con, 0);
2844 print_ca_names(bio_s_out, con);
2845 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2847 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2848 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2849 if (next_proto_neg) {
2850 BIO_printf(bio_s_out, "NEXTPROTO is ");
2851 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2852 BIO_printf(bio_s_out, "\n");
2855 #ifndef OPENSSL_NO_SRTP
2857 SRTP_PROTECTION_PROFILE *srtp_profile
2858 = SSL_get_selected_srtp_profile(con);
2861 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2862 srtp_profile->name);
2865 if (SSL_session_reused(con))
2866 BIO_printf(bio_s_out, "Reused session-id\n");
2867 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2868 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2869 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2870 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2872 if (keymatexportlabel != NULL) {
2873 BIO_printf(bio_s_out, "Keying material exporter:\n");
2874 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2875 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2876 exportedkeymat = app_malloc(keymatexportlen, "export key");
2877 if (!SSL_export_keying_material(con, exportedkeymat,
2880 strlen(keymatexportlabel),
2882 BIO_printf(bio_s_out, " Error\n");
2884 BIO_printf(bio_s_out, " Keying material: ");
2885 for (i = 0; i < keymatexportlen; i++)
2886 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2887 BIO_printf(bio_s_out, "\n");
2889 OPENSSL_free(exportedkeymat);
2892 (void)BIO_flush(bio_s_out);
2895 #ifndef OPENSSL_NO_DH
2896 static DH *load_dh_param(const char *dhfile)
2901 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2903 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2910 static int www_body(int s, int stype, int prot, unsigned char *context)
2916 const SSL_CIPHER *c;
2917 BIO *io, *ssl_bio, *sbio;
2919 int total_bytes = 0;
2924 /* Set width for a select call if needed */
2927 buf = app_malloc(bufsize, "server www buffer");
2928 io = BIO_new(BIO_f_buffer());
2929 ssl_bio = BIO_new(BIO_f_ssl());
2930 if ((io == NULL) || (ssl_bio == NULL))
2934 if (!BIO_socket_nbio(s, 1))
2935 ERR_print_errors(bio_err);
2937 BIO_printf(bio_err, "Turned on non blocking io\n");
2940 /* lets make the output buffer a reasonable size */
2941 if (!BIO_set_write_buffer_size(io, bufsize))
2944 if ((con = SSL_new(ctx)) == NULL)
2947 if (s_tlsextdebug) {
2948 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2949 SSL_set_tlsext_debug_arg(con, bio_s_out);
2953 && !SSL_set_session_id_context(con, context,
2954 strlen((char *)context)))
2957 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2961 test = BIO_new(BIO_f_nbio_test());
2962 sbio = BIO_push(test, sbio);
2964 SSL_set_bio(con, sbio, sbio);
2965 SSL_set_accept_state(con);
2967 /* SSL_set_fd(con,s); */
2968 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2969 BIO_push(io, ssl_bio);
2970 #ifdef CHARSET_EBCDIC
2971 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2975 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2976 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2979 #ifndef OPENSSL_NO_SSL_TRACE
2981 SSL_set_msg_callback(con, SSL_trace);
2984 SSL_set_msg_callback(con, msg_cb);
2985 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2989 i = BIO_gets(io, buf, bufsize - 1);
2990 if (i < 0) { /* error */
2991 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2993 ERR_print_errors(bio_err);
2996 BIO_printf(bio_s_out, "read R BLOCK\n");
2997 #ifndef OPENSSL_NO_SRP
2998 if (BIO_should_io_special(io)
2999 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3000 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3001 SRP_user_pwd_free(srp_callback_parm.user);
3002 srp_callback_parm.user =
3003 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3004 srp_callback_parm.login);
3005 if (srp_callback_parm.user)
3006 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3007 srp_callback_parm.user->info);
3009 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3013 #if !defined(OPENSSL_SYS_MSDOS)
3018 } else if (i == 0) { /* end of input */
3023 /* else we have data */
3024 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3025 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3028 STACK_OF(SSL_CIPHER) *sk;
3029 static const char *space = " ";
3031 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3032 if (strncmp("GET /renegcert", buf, 14) == 0)
3034 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3036 i = SSL_renegotiate(con);
3037 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3038 /* Send the HelloRequest */
3039 i = SSL_do_handshake(con);
3041 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3042 SSL_get_error(con, i));
3043 ERR_print_errors(bio_err);
3046 /* Wait for a ClientHello to come back */
3048 openssl_fdset(s, &readfds);
3049 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3050 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3051 BIO_printf(bio_s_out,
3052 "Error waiting for client response\n");
3053 ERR_print_errors(bio_err);
3057 * We're not actually expecting any data here and we ignore
3058 * any that is sent. This is just to force the handshake that
3059 * we're expecting to come from the client. If they haven't
3060 * sent one there's not much we can do.
3062 BIO_gets(io, buf, bufsize - 1);
3066 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3067 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3068 BIO_puts(io, "<pre>\n");
3069 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3071 for (i = 0; i < local_argc; i++) {
3073 for (myp = local_argv[i]; *myp; myp++)
3076 BIO_puts(io, "<");
3079 BIO_puts(io, ">");
3082 BIO_puts(io, "&");
3085 BIO_write(io, myp, 1);
3088 BIO_write(io, " ", 1);
3093 "Secure Renegotiation IS%s supported\n",
3094 SSL_get_secure_renegotiation_support(con) ?
3098 * The following is evil and should not really be done
3100 BIO_printf(io, "Ciphers supported in s_server binary\n");
3101 sk = SSL_get_ciphers(con);
3102 j = sk_SSL_CIPHER_num(sk);
3103 for (i = 0; i < j; i++) {
3104 c = sk_SSL_CIPHER_value(sk, i);
3105 BIO_printf(io, "%-11s:%-25s ",
3106 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3107 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3111 p = SSL_get_shared_ciphers(con, buf, bufsize);
3114 "---\nCiphers common between both SSL end points:\n");
3118 BIO_write(io, space, 26 - j);
3121 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3123 BIO_write(io, p, 1);
3130 ssl_print_sigalgs(io, con);
3131 #ifndef OPENSSL_NO_EC
3132 ssl_print_groups(io, con, 0);
3134 print_ca_names(io, con);
3135 BIO_printf(io, (SSL_session_reused(con)
3136 ? "---\nReused, " : "---\nNew, "));
3137 c = SSL_get_current_cipher(con);
3138 BIO_printf(io, "%s, Cipher is %s\n",
3139 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3140 SSL_SESSION_print(io, SSL_get_session(con));
3141 BIO_printf(io, "---\n");
3142 print_stats(io, SSL_get_SSL_CTX(con));
3143 BIO_printf(io, "---\n");
3144 peer = SSL_get_peer_certificate(con);
3146 BIO_printf(io, "Client certificate\n");
3147 X509_print(io, peer);
3148 PEM_write_bio_X509(io, peer);
3152 BIO_puts(io, "no client certificate available\n");
3154 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3156 } else if ((www == 2 || www == 3)
3157 && (strncmp("GET /", buf, 5) == 0)) {
3160 static const char *text =
3161 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3167 for (e = p; *e != '\0'; e++) {
3173 dot = (e[0] == '.') ? 2 : 0;
3176 dot = (e[0] == '.') ? 3 : 0;
3179 dot = (e[0] == '/') ? -1 : 0;
3183 dot = (e[0] == '/') ? 1 : 0;
3185 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3190 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3197 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3203 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3207 /* if a directory, do the index thang */
3208 if (app_isdir(p) > 0) {
3210 BIO_printf(io, "'%s' is a directory\r\n", p);
3214 if ((file = BIO_new_file(p, "r")) == NULL) {
3216 BIO_printf(io, "Error opening '%s'\r\n", p);
3217 ERR_print_errors(io);
3222 BIO_printf(bio_err, "FILE:%s\n", p);
3226 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3227 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3228 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3230 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3233 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3237 i = BIO_read(file, buf, bufsize);
3243 BIO_printf(bio_err, "%d\n", i);
3244 if (total_bytes > 3 * 1024) {
3246 BIO_printf(bio_err, "RENEGOTIATE\n");
3247 SSL_renegotiate(con);
3251 for (j = 0; j < i;) {
3254 if (++count == 13) {
3255 SSL_renegotiate(con);
3258 k = BIO_write(io, &(buf[j]), i - j);
3260 if (!BIO_should_retry(io)
3261 && !SSL_waiting_for_async(con))
3264 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3278 i = (int)BIO_flush(io);
3280 if (!BIO_should_retry(io))
3286 /* make sure we re-use sessions */
3287 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3291 BIO_printf(bio_s_out, "ACCEPT\n");
3297 static int rev_body(int s, int stype, int prot, unsigned char *context)
3303 BIO *io, *ssl_bio, *sbio;
3305 buf = app_malloc(bufsize, "server rev buffer");
3306 io = BIO_new(BIO_f_buffer());
3307 ssl_bio = BIO_new(BIO_f_ssl());
3308 if ((io == NULL) || (ssl_bio == NULL))
3311 /* lets make the output buffer a reasonable size */
3312 if (!BIO_set_write_buffer_size(io, bufsize))
3315 if ((con = SSL_new(ctx)) == NULL)
3318 if (s_tlsextdebug) {
3319 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3320 SSL_set_tlsext_debug_arg(con, bio_s_out);
3323 && !SSL_set_session_id_context(con, context,
3324 strlen((char *)context))) {
3325 ERR_print_errors(bio_err);
3329 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3330 SSL_set_bio(con, sbio, sbio);
3331 SSL_set_accept_state(con);
3333 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3334 BIO_push(io, ssl_bio);
3335 #ifdef CHARSET_EBCDIC
3336 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3340 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3341 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3344 #ifndef OPENSSL_NO_SSL_TRACE
3346 SSL_set_msg_callback(con, SSL_trace);
3349 SSL_set_msg_callback(con, msg_cb);
3350 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3354 i = BIO_do_handshake(io);
3357 if (!BIO_should_retry(io)) {
3358 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3359 ERR_print_errors(bio_err);
3362 #ifndef OPENSSL_NO_SRP
3363 if (BIO_should_io_special(io)
3364 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3365 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3366 SRP_user_pwd_free(srp_callback_parm.user);
3367 srp_callback_parm.user =
3368 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3369 srp_callback_parm.login);
3370 if (srp_callback_parm.user)
3371 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3372 srp_callback_parm.user->info);
3374 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3379 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3380 print_ssl_summary(con);
3383 i = BIO_gets(io, buf, bufsize - 1);
3384 if (i < 0) { /* error */
3385 if (!BIO_should_retry(io)) {
3387 ERR_print_errors(bio_err);
3390 BIO_printf(bio_s_out, "read R BLOCK\n");
3391 #ifndef OPENSSL_NO_SRP
3392 if (BIO_should_io_special(io)
3393 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3394 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3395 SRP_user_pwd_free(srp_callback_parm.user);
3396 srp_callback_parm.user =
3397 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3398 srp_callback_parm.login);
3399 if (srp_callback_parm.user)
3400 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3401 srp_callback_parm.user->info);
3403 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3407 #if !defined(OPENSSL_SYS_MSDOS)
3412 } else if (i == 0) { /* end of input */
3414 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3417 char *p = buf + i - 1;
3418 while (i && (*p == '\n' || *p == '\r')) {
3422 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3424 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3427 BUF_reverse((unsigned char *)buf, NULL, i);
3429 BIO_write(io, buf, i + 1);
3434 if (!BIO_should_retry(io))
3440 /* make sure we re-use sessions */
3441 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3450 #define MAX_SESSION_ID_ATTEMPTS 10
3451 static int generate_session_id(SSL *ssl, unsigned char *id,
3452 unsigned int *id_len)
3454 unsigned int count = 0;
3456 if (RAND_bytes(id, *id_len) <= 0)
3459 * Prefix the session_id with the required prefix. NB: If our prefix
3460 * is too long, clip it - but there will be worse effects anyway, eg.
3461 * the server could only possibly create 1 session ID (ie. the
3462 * prefix!) so all future session negotiations will fail due to
3465 memcpy(id, session_id_prefix,
3466 (strlen(session_id_prefix) < *id_len) ?
3467 strlen(session_id_prefix) : *id_len);
3469 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3470 (++count < MAX_SESSION_ID_ATTEMPTS));
3471 if (count >= MAX_SESSION_ID_ATTEMPTS)
3477 * By default s_server uses an in-memory cache which caches SSL_SESSION
3478 * structures without any serialisation. This hides some bugs which only
3479 * become apparent in deployed servers. By implementing a basic external
3480 * session cache some issues can be debugged using s_server.
3483 typedef struct simple_ssl_session_st {
3488 struct simple_ssl_session_st *next;
3489 } simple_ssl_session;
3491 static simple_ssl_session *first = NULL;
3493 static int add_session(SSL *ssl, SSL_SESSION *session)
3495 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3498 SSL_SESSION_get_id(session, &sess->idlen);
3499 sess->derlen = i2d_SSL_SESSION(session, NULL);
3500 if (sess->derlen < 0) {
3501 BIO_printf(bio_err, "Error encoding session\n");
3506 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3507 sess->der = app_malloc(sess->derlen, "get session buffer");
3509 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3510 OPENSSL_free(sess->id);
3511 OPENSSL_free(sess->der);
3517 /* Assume it still works. */
3518 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3519 BIO_printf(bio_err, "Unexpected session encoding length\n");
3520 OPENSSL_free(sess->id);
3521 OPENSSL_free(sess->der);
3528 BIO_printf(bio_err, "New session added to external cache\n");
3532 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3535 simple_ssl_session *sess;
3537 for (sess = first; sess; sess = sess->next) {
3538 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3539 const unsigned char *p = sess->der;
3540 BIO_printf(bio_err, "Lookup session: cache hit\n");
3541 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3544 BIO_printf(bio_err, "Lookup session: cache miss\n");
3548 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3550 simple_ssl_session *sess, *prev = NULL;
3551 const unsigned char *id;
3553 id = SSL_SESSION_get_id(session, &idlen);
3554 for (sess = first; sess; sess = sess->next) {
3555 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3557 prev->next = sess->next;
3560 OPENSSL_free(sess->id);
3561 OPENSSL_free(sess->der);
3569 static void init_session_cache_ctx(SSL_CTX *sctx)
3571 SSL_CTX_set_session_cache_mode(sctx,
3572 SSL_SESS_CACHE_NO_INTERNAL |
3573 SSL_SESS_CACHE_SERVER);
3574 SSL_CTX_sess_set_new_cb(sctx, add_session);
3575 SSL_CTX_sess_set_get_cb(sctx, get_session);
3576 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3579 static void free_sessions(void)
3581 simple_ssl_session *sess, *tsess;
3582 for (sess = first; sess;) {
3583 OPENSSL_free(sess->id);
3584 OPENSSL_free(sess->der);
3587 OPENSSL_free(tsess);
3592 #endif /* OPENSSL_NO_SOCK */