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 if (key_len == EVP_MD_size(EVP_sha256()))
212 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
213 else if (key_len == EVP_MD_size(EVP_sha384()))
214 cipher = SSL_CIPHER_find(ssl, tls13_aes256gcmsha384_id);
216 if (cipher == NULL) {
217 /* Doesn't look like a suitable TLSv1.3 key. Ignore it */
222 tmpsess = SSL_SESSION_new();
224 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
225 || !SSL_SESSION_set_cipher(tmpsess, cipher)
226 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
236 #ifndef OPENSSL_NO_SRP
237 /* This is a context that we pass to callbacks */
238 typedef struct srpsrvparm_st {
245 * This callback pretends to require some asynchronous logic in order to
246 * obtain a verifier. When the callback is called for a new connection we
247 * return with a negative value. This will provoke the accept etc to return
248 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
249 * (which would normally occur after a worker has finished) and we set the
252 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
254 srpsrvparm *p = (srpsrvparm *) arg;
255 int ret = SSL3_AL_FATAL;
257 if (p->login == NULL && p->user == NULL) {
258 p->login = SSL_get_srp_username(s);
259 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
263 if (p->user == NULL) {
264 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
268 if (SSL_set_srp_server_param
269 (s, p->user->N, p->user->g, p->user->s, p->user->v,
270 p->user->info) < 0) {
271 *ad = SSL_AD_INTERNAL_ERROR;
275 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
276 p->login, p->user->info);
277 ret = SSL_ERROR_NONE;
280 SRP_user_pwd_free(p->user);
288 static int local_argc = 0;
289 static char **local_argv;
291 #ifdef CHARSET_EBCDIC
292 static int ebcdic_new(BIO *bi);
293 static int ebcdic_free(BIO *a);
294 static int ebcdic_read(BIO *b, char *out, int outl);
295 static int ebcdic_write(BIO *b, const char *in, int inl);
296 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
297 static int ebcdic_gets(BIO *bp, char *buf, int size);
298 static int ebcdic_puts(BIO *bp, const char *str);
300 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
301 static BIO_METHOD *methods_ebcdic = NULL;
303 /* This struct is "unwarranted chumminess with the compiler." */
309 static const BIO_METHOD *BIO_f_ebcdic_filter()
311 if (methods_ebcdic == NULL) {
312 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
313 "EBCDIC/ASCII filter");
314 if (methods_ebcdic == NULL
315 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
316 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
317 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
318 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
319 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
320 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
321 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
324 return methods_ebcdic;
327 static int ebcdic_new(BIO *bi)
329 EBCDIC_OUTBUFF *wbuf;
331 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
332 wbuf->alloced = 1024;
333 wbuf->buff[0] = '\0';
335 BIO_set_data(bi, wbuf);
340 static int ebcdic_free(BIO *a)
342 EBCDIC_OUTBUFF *wbuf;
346 wbuf = BIO_get_data(a);
348 BIO_set_data(a, NULL);
354 static int ebcdic_read(BIO *b, char *out, int outl)
357 BIO *next = BIO_next(b);
359 if (out == NULL || outl == 0)
364 ret = BIO_read(next, out, outl);
366 ascii2ebcdic(out, out, ret);
370 static int ebcdic_write(BIO *b, const char *in, int inl)
372 EBCDIC_OUTBUFF *wbuf;
373 BIO *next = BIO_next(b);
377 if ((in == NULL) || (inl <= 0))
382 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
384 if (inl > (num = wbuf->alloced)) {
385 num = num + num; /* double the size */
389 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
392 wbuf->buff[0] = '\0';
394 BIO_set_data(b, wbuf);
397 ebcdic2ascii(wbuf->buff, in, inl);
399 ret = BIO_write(next, wbuf->buff, inl);
404 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
407 BIO *next = BIO_next(b);
416 ret = BIO_ctrl(next, cmd, num, ptr);
422 static int ebcdic_gets(BIO *bp, char *buf, int size)
425 BIO *next = BIO_next(bp);
429 /* return(BIO_gets(bp->next_bio,buf,size));*/
430 for (i = 0; i < size - 1; ++i) {
431 ret = ebcdic_read(bp, &buf[i], 1);
434 else if (buf[i] == '\n') {
441 return (ret < 0 && i == 0) ? ret : i;
444 static int ebcdic_puts(BIO *bp, const char *str)
446 if (BIO_next(bp) == NULL)
448 return ebcdic_write(bp, str, strlen(str));
452 /* This is a context that we pass to callbacks */
453 typedef struct tlsextctx_st {
459 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
461 tlsextctx *p = (tlsextctx *) arg;
462 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
464 if (servername != NULL && p->biodebug != NULL) {
465 const char *cp = servername;
468 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
469 while ((uc = *cp++) != 0)
470 BIO_printf(p->biodebug,
471 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc);
472 BIO_printf(p->biodebug, "\"\n");
475 if (p->servername == NULL)
476 return SSL_TLSEXT_ERR_NOACK;
478 if (servername != NULL) {
479 if (strcasecmp(servername, p->servername))
480 return p->extension_error;
482 BIO_printf(p->biodebug, "Switching server context.\n");
483 SSL_set_SSL_CTX(s, ctx2);
486 return SSL_TLSEXT_ERR_OK;
489 /* Structure passed to cert status callback */
490 typedef struct tlsextstatusctx_st {
492 /* File to load OCSP Response from (or NULL if no file) */
494 /* Default responder to use */
495 char *host, *path, *port;
500 static tlsextstatusctx tlscstatp = { -1 };
502 #ifndef OPENSSL_NO_OCSP
505 * Helper function to get an OCSP_RESPONSE from a responder. This is a
506 * simplified version. It examines certificates each time and makes one OCSP
507 * responder query for each request. A full version would store details such as
508 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
509 * them until they were considered "expired".
511 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
512 OCSP_RESPONSE **resp)
514 char *host = NULL, *port = NULL, *path = NULL;
516 STACK_OF(OPENSSL_STRING) *aia = NULL;
518 X509_STORE_CTX *inctx = NULL;
520 OCSP_REQUEST *req = NULL;
521 OCSP_CERTID *id = NULL;
522 STACK_OF(X509_EXTENSION) *exts;
523 int ret = SSL_TLSEXT_ERR_NOACK;
526 /* Build up OCSP query from server certificate */
527 x = SSL_get_certificate(s);
528 aia = X509_get1_ocsp(x);
530 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
531 &host, &port, &path, &use_ssl)) {
532 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
536 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
537 sk_OPENSSL_STRING_value(aia, 0));
539 if (srctx->host == NULL) {
541 "cert_status: no AIA and no default responder URL\n");
547 use_ssl = srctx->use_ssl;
550 inctx = X509_STORE_CTX_new();
553 if (!X509_STORE_CTX_init(inctx,
554 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
557 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
558 X509_get_issuer_name(x));
560 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
563 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
564 X509_OBJECT_free(obj);
567 req = OCSP_REQUEST_new();
570 if (!OCSP_request_add0_id(req, id))
573 /* Add any extensions to the request */
574 SSL_get_tlsext_status_exts(s, &exts);
575 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
576 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
577 if (!OCSP_REQUEST_add_ext(req, ext, -1))
580 *resp = process_responder(req, host, path, port, use_ssl, NULL,
583 BIO_puts(bio_err, "cert_status: error querying responder\n");
587 ret = SSL_TLSEXT_ERR_OK;
591 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
594 * If we parsed aia we need to free; otherwise they were copied and we
601 X509_email_free(aia);
603 OCSP_CERTID_free(id);
604 OCSP_REQUEST_free(req);
605 X509_STORE_CTX_free(inctx);
610 * Certificate Status callback. This is called when a client includes a
611 * certificate status request extension. The response is either obtained from a
612 * file, or from an OCSP responder.
614 static int cert_status_cb(SSL *s, void *arg)
616 tlsextstatusctx *srctx = arg;
617 OCSP_RESPONSE *resp = NULL;
618 unsigned char *rspder = NULL;
620 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
623 BIO_puts(bio_err, "cert_status: callback called\n");
625 if (srctx->respin != NULL) {
626 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
627 if (derbio == NULL) {
628 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
631 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
634 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
638 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
639 if (ret != SSL_TLSEXT_ERR_OK)
643 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
647 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
648 if (srctx->verbose) {
649 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
650 OCSP_RESPONSE_print(bio_err, resp, 2);
653 ret = SSL_TLSEXT_ERR_OK;
656 if (ret != SSL_TLSEXT_ERR_OK)
657 ERR_print_errors(bio_err);
659 OCSP_RESPONSE_free(resp);
665 #ifndef OPENSSL_NO_NEXTPROTONEG
666 /* This is the context that we pass to next_proto_cb */
667 typedef struct tlsextnextprotoctx_st {
670 } tlsextnextprotoctx;
672 static int next_proto_cb(SSL *s, const unsigned char **data,
673 unsigned int *len, void *arg)
675 tlsextnextprotoctx *next_proto = arg;
677 *data = next_proto->data;
678 *len = next_proto->len;
680 return SSL_TLSEXT_ERR_OK;
682 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
684 /* This the context that we pass to alpn_cb */
685 typedef struct tlsextalpnctx_st {
690 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
691 const unsigned char *in, unsigned int inlen, void *arg)
693 tlsextalpnctx *alpn_ctx = arg;
696 /* We can assume that |in| is syntactically valid. */
698 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
699 for (i = 0; i < inlen;) {
701 BIO_write(bio_s_out, ", ", 2);
702 BIO_write(bio_s_out, &in[i + 1], in[i]);
705 BIO_write(bio_s_out, "\n", 1);
708 if (SSL_select_next_proto
709 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
710 inlen) != OPENSSL_NPN_NEGOTIATED) {
711 return SSL_TLSEXT_ERR_NOACK;
715 BIO_printf(bio_s_out, "ALPN protocols selected: ");
716 BIO_write(bio_s_out, *out, *outlen);
717 BIO_write(bio_s_out, "\n", 1);
720 return SSL_TLSEXT_ERR_OK;
723 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
725 /* disable resumption for sessions with forward secure ciphers */
726 return is_forward_secure;
729 #ifndef OPENSSL_NO_SRP
730 static srpsrvparm srp_callback_parm;
732 #ifndef OPENSSL_NO_SRTP
733 static char *srtp_profiles = NULL;
736 typedef enum OPTION_choice {
737 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
738 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
739 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
740 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
741 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
742 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
743 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
744 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
745 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
746 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
747 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
748 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
749 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
750 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
751 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
752 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
753 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
754 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
755 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
756 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
757 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
758 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
759 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
760 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_EARLY_DATA,
767 const OPTIONS s_server_options[] = {
768 {"help", OPT_HELP, '-', "Display this summary"},
769 {"port", OPT_PORT, 'p',
770 "TCP/IP port to listen on for connections (default is " PORT ")"},
771 {"accept", OPT_ACCEPT, 's',
772 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
774 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
776 {"4", OPT_4, '-', "Use IPv4 only"},
777 {"6", OPT_6, '-', "Use IPv6 only"},
779 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
781 {"context", OPT_CONTEXT, 's', "Set session ID context"},
782 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
783 {"Verify", OPT_UPPER_V_VERIFY, 'n',
784 "Turn on peer certificate verification, must have a cert"},
785 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
786 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
787 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
788 {"serverinfo", OPT_SERVERINFO, 's',
789 "PEM serverinfo file for certificate"},
790 {"certform", OPT_CERTFORM, 'F',
791 "Certificate format (PEM or DER) PEM default"},
792 {"key", OPT_KEY, 's',
793 "Private Key if not in -cert; default is " TEST_CERT},
794 {"keyform", OPT_KEYFORM, 'f',
795 "Key format (PEM, DER or ENGINE) PEM default"},
796 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
797 {"dcert", OPT_DCERT, '<',
798 "Second certificate file to use (usually for DSA)"},
799 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
800 {"dcertform", OPT_DCERTFORM, 'F',
801 "Second certificate format (PEM or DER) PEM default"},
802 {"dkey", OPT_DKEY, '<',
803 "Second private key file to use (usually for DSA)"},
804 {"dkeyform", OPT_DKEYFORM, 'F',
805 "Second key format (PEM, DER or ENGINE) PEM default"},
806 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
807 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
808 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
809 {"debug", OPT_DEBUG, '-', "Print more output"},
810 {"msg", OPT_MSG, '-', "Show protocol messages"},
811 {"msgfile", OPT_MSGFILE, '>',
812 "File to send output of -msg or -trace, instead of stdout"},
813 {"state", OPT_STATE, '-', "Print the SSL states"},
814 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
815 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
816 {"no-CAfile", OPT_NOCAFILE, '-',
817 "Do not load the default certificates file"},
818 {"no-CApath", OPT_NOCAPATH, '-',
819 "Do not load certificates from the default certificates directory"},
820 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
821 {"quiet", OPT_QUIET, '-', "No server output"},
822 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
823 "Disable caching and tickets if ephemeral (EC)DH is used"},
824 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
825 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
826 {"servername", OPT_SERVERNAME, 's',
827 "Servername for HostName TLS extension"},
828 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
829 "mismatch send fatal alert (default warning alert)"},
830 {"cert2", OPT_CERT2, '<',
831 "Certificate file to use for servername; default is" TEST_CERT2},
832 {"key2", OPT_KEY2, '<',
833 "-Private Key file to use for servername if not in -cert2"},
834 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
835 "Hex dump of all TLS extensions received"},
836 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
837 {"id_prefix", OPT_ID_PREFIX, 's',
838 "Generate SSL/TLS session IDs prefixed by arg"},
840 {"keymatexport", OPT_KEYMATEXPORT, 's',
841 "Export keying material using label"},
842 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
843 "Export len bytes of keying material (default 20)"},
844 {"CRL", OPT_CRL, '<', "CRL file to use"},
845 {"crl_download", OPT_CRL_DOWNLOAD, '-',
846 "Download CRL from distribution points"},
847 {"cert_chain", OPT_CERT_CHAIN, '<',
848 "certificate chain file in PEM format"},
849 {"dcert_chain", OPT_DCERT_CHAIN, '<',
850 "second certificate chain file in PEM format"},
851 {"chainCApath", OPT_CHAINCAPATH, '/',
852 "use dir as certificate store path to build CA certificate chain"},
853 {"verifyCApath", OPT_VERIFYCAPATH, '/',
854 "use dir as certificate store path to verify CA certificate"},
855 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
856 {"ext_cache", OPT_EXT_CACHE, '-',
857 "Disable internal cache, setup and use external cache"},
858 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
859 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
860 "Close connection on verification error"},
861 {"verify_quiet", OPT_VERIFY_QUIET, '-',
862 "No verify output except verify errors"},
863 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
864 {"chainCAfile", OPT_CHAINCAFILE, '<',
865 "CA file for certificate chain (PEM format)"},
866 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
867 "CA file for certificate verification (PEM format)"},
868 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
869 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
870 #ifndef OPENSSL_NO_OCSP
871 {"status", OPT_STATUS, '-', "Request certificate status from server"},
872 {"status_verbose", OPT_STATUS_VERBOSE, '-',
873 "Print more output in certificate status callback"},
874 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
875 "Status request responder timeout"},
876 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
877 {"status_file", OPT_STATUS_FILE, '<',
878 "File containing DER encoded OCSP Response"},
880 #ifndef OPENSSL_NO_SSL_TRACE
881 {"trace", OPT_TRACE, '-', "trace protocol messages"},
883 {"security_debug", OPT_SECURITY_DEBUG, '-',
884 "Print output from SSL/TLS security framework"},
885 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
886 "Print more output from SSL/TLS security framework"},
887 {"brief", OPT_BRIEF, '-',
888 "Restrict output to brief summary of connection parameters"},
889 {"rev", OPT_REV, '-',
890 "act as a simple test server which just sends back with the received text reversed"},
891 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
892 {"ssl_config", OPT_SSL_CONFIG, 's',
893 "Configure SSL_CTX using the configuration 'val'"},
894 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
895 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
896 "Size used to split data for encrypt pipelines"},
897 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
898 "Maximum number of encrypt/decrypt pipelines to be used"},
899 {"read_buf", OPT_READ_BUF, 'p',
900 "Default read buffer size to be used for connections"},
904 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
905 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
906 #ifndef OPENSSL_NO_PSK
907 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
909 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
910 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
911 #ifndef OPENSSL_NO_SRP
912 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
913 {"srpuserseed", OPT_SRPUSERSEED, 's',
914 "A seed string for a default user salt"},
916 #ifndef OPENSSL_NO_SSL3
917 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
919 #ifndef OPENSSL_NO_TLS1
920 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
922 #ifndef OPENSSL_NO_TLS1_1
923 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
925 #ifndef OPENSSL_NO_TLS1_2
926 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
928 #ifndef OPENSSL_NO_TLS1_3
929 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
931 #ifndef OPENSSL_NO_DTLS
932 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
933 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
934 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
935 {"listen", OPT_LISTEN, '-',
936 "Listen for a DTLS ClientHello with a cookie and then connect"},
938 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
939 #ifndef OPENSSL_NO_DTLS1
940 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
942 #ifndef OPENSSL_NO_DTLS1_2
943 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
945 #ifndef OPENSSL_NO_SCTP
946 {"sctp", OPT_SCTP, '-', "Use SCTP"},
948 #ifndef OPENSSL_NO_DH
949 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
951 #ifndef OPENSSL_NO_NEXTPROTONEG
952 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
953 "Set the advertised protocols for the NPN extension (comma-separated list)"},
955 #ifndef OPENSSL_NO_SRTP
956 {"use_srtp", OPT_SRTP_PROFILES, 's',
957 "Offer SRTP key management with a colon-separated profile list"},
959 {"alpn", OPT_ALPN, 's',
960 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
961 #ifndef OPENSSL_NO_ENGINE
962 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
964 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
965 {"max_early_data", OPT_MAX_EARLY, 'n',
966 "The maximum number of bytes of early data"},
967 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
968 {NULL, OPT_EOF, 0, NULL}
971 #define IS_PROT_FLAG(o) \
972 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
973 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
975 int s_server_main(int argc, char *argv[])
977 ENGINE *engine = NULL;
978 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
979 SSL_CONF_CTX *cctx = NULL;
980 const SSL_METHOD *meth = TLS_server_method();
981 SSL_EXCERT *exc = NULL;
982 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
983 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
984 STACK_OF(X509_CRL) *crls = NULL;
985 X509 *s_cert = NULL, *s_dcert = NULL;
986 X509_VERIFY_PARAM *vpm = NULL;
987 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
988 char *dpassarg = NULL, *dpass = NULL;
989 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
990 char *crl_file = NULL, *prog;
992 int unlink_unix_path = 0;
994 do_server_cb server_cb;
995 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
996 #ifndef OPENSSL_NO_DH
1000 int nocert = 0, ret = 1;
1001 int noCApath = 0, noCAfile = 0;
1002 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1003 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1004 int rev = 0, naccept = -1, sdebug = 0;
1005 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1006 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1008 char *port = BUF_strdup(PORT);
1009 unsigned char *context = NULL;
1011 EVP_PKEY *s_key2 = NULL;
1012 X509 *s_cert2 = NULL;
1013 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1014 const char *ssl_config = NULL;
1015 int read_buf_len = 0;
1016 #ifndef OPENSSL_NO_NEXTPROTONEG
1017 const char *next_proto_neg_in = NULL;
1018 tlsextnextprotoctx next_proto = { NULL, 0 };
1020 const char *alpn_in = NULL;
1021 tlsextalpnctx alpn_ctx = { NULL, 0 };
1022 #ifndef OPENSSL_NO_PSK
1023 /* by default do not send a PSK identity hint */
1024 char *psk_identity_hint = NULL;
1027 #ifndef OPENSSL_NO_SRP
1028 char *srpuserseed = NULL;
1029 char *srp_verifier_file = NULL;
1031 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1032 int s_server_verify = SSL_VERIFY_NONE;
1033 int s_server_session_id_context = 1; /* anything will do */
1034 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1035 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1036 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1037 #ifndef OPENSSL_NO_OCSP
1038 int s_tlsextstatus = 0;
1040 int no_resume_ephemeral = 0;
1041 unsigned int max_send_fragment = 0;
1042 unsigned int split_send_fragment = 0, max_pipelines = 0;
1043 const char *s_serverinfo_file = NULL;
1044 const char *keylog_file = NULL;
1045 int max_early_data = -1;
1046 char *psksessf = NULL;
1048 /* Init of few remaining global variables */
1053 s_nbio = s_nbio_test = 0;
1062 cctx = SSL_CONF_CTX_new();
1063 vpm = X509_VERIFY_PARAM_new();
1064 if (cctx == NULL || vpm == NULL)
1066 SSL_CONF_CTX_set_flags(cctx,
1067 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1069 prog = opt_init(argc, argv, s_server_options);
1070 while ((o = opt_next()) != OPT_EOF) {
1071 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1072 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1075 if (IS_NO_PROT_FLAG(o))
1077 if (prot_opt == 1 && no_prot_opt) {
1079 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1086 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1089 opt_help(s_server_options);
1095 if (socket_family == AF_UNIX) {
1096 OPENSSL_free(host); host = NULL;
1097 OPENSSL_free(port); port = NULL;
1100 socket_family = AF_INET;
1106 if (socket_family == AF_UNIX) {
1107 OPENSSL_free(host); host = NULL;
1108 OPENSSL_free(port); port = NULL;
1111 socket_family = AF_INET6;
1114 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1120 if (socket_family == AF_UNIX) {
1121 socket_family = AF_UNSPEC;
1124 OPENSSL_free(port); port = NULL;
1125 OPENSSL_free(host); host = NULL;
1126 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1128 "%s: -port argument malformed or ambiguous\n",
1135 if (socket_family == AF_UNIX) {
1136 socket_family = AF_UNSPEC;
1139 OPENSSL_free(port); port = NULL;
1140 OPENSSL_free(host); host = NULL;
1141 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1143 "%s: -accept argument malformed or ambiguous\n",
1150 socket_family = AF_UNIX;
1151 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1152 OPENSSL_free(port); port = NULL;
1155 unlink_unix_path = 1;
1159 naccept = atol(opt_arg());
1162 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1163 verify_args.depth = atoi(opt_arg());
1165 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1167 case OPT_UPPER_V_VERIFY:
1169 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1170 SSL_VERIFY_CLIENT_ONCE;
1171 verify_args.depth = atoi(opt_arg());
1174 "verify depth is %d, must return a certificate\n",
1178 context = (unsigned char *)opt_arg();
1181 s_cert_file = opt_arg();
1184 if (!set_nameopt(opt_arg()))
1188 crl_file = opt_arg();
1190 case OPT_CRL_DOWNLOAD:
1193 case OPT_SERVERINFO:
1194 s_serverinfo_file = opt_arg();
1197 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1201 s_key_file = opt_arg();
1204 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1208 passarg = opt_arg();
1210 case OPT_CERT_CHAIN:
1211 s_chain_file = opt_arg();
1214 #ifndef OPENSSL_NO_DH
1219 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1223 s_dcert_file = opt_arg();
1226 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1230 dpassarg = opt_arg();
1233 s_dkey_file = opt_arg();
1235 case OPT_DCERT_CHAIN:
1236 s_dchain_file = opt_arg();
1247 case OPT_CHAINCAPATH:
1248 chCApath = opt_arg();
1250 case OPT_VERIFYCAPATH:
1251 vfyCApath = opt_arg();
1260 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1264 if (ssl_args == NULL)
1265 ssl_args = sk_OPENSSL_STRING_new_null();
1266 if (ssl_args == NULL
1267 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1268 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1269 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1274 if (!opt_verify(o, vpm))
1279 if (!args_excert(o, &exc))
1282 case OPT_VERIFY_RET_ERROR:
1283 verify_args.return_error = 1;
1285 case OPT_VERIFY_QUIET:
1286 verify_args.quiet = 1;
1288 case OPT_BUILD_CHAIN:
1297 case OPT_CHAINCAFILE:
1298 chCAfile = opt_arg();
1300 case OPT_VERIFYCAFILE:
1301 vfyCAfile = opt_arg();
1307 s_nbio = s_nbio_test = 1;
1312 case OPT_NO_IGN_EOF:
1318 case OPT_TLSEXTDEBUG:
1322 #ifndef OPENSSL_NO_OCSP
1326 case OPT_STATUS_VERBOSE:
1327 #ifndef OPENSSL_NO_OCSP
1328 s_tlsextstatus = tlscstatp.verbose = 1;
1331 case OPT_STATUS_TIMEOUT:
1332 #ifndef OPENSSL_NO_OCSP
1334 tlscstatp.timeout = atoi(opt_arg());
1337 case OPT_STATUS_URL:
1338 #ifndef OPENSSL_NO_OCSP
1340 if (!OCSP_parse_url(opt_arg(),
1343 &tlscstatp.path, &tlscstatp.use_ssl)) {
1344 BIO_printf(bio_err, "Error parsing URL\n");
1349 case OPT_STATUS_FILE:
1350 #ifndef OPENSSL_NO_OCSP
1352 tlscstatp.respin = opt_arg();
1359 bio_s_msg = BIO_new_file(opt_arg(), "w");
1362 #ifndef OPENSSL_NO_SSL_TRACE
1366 case OPT_SECURITY_DEBUG:
1369 case OPT_SECURITY_DEBUG_VERBOSE:
1382 s_quiet = s_brief = verify_args.quiet = 1;
1385 #ifndef OPENSSL_NO_DH
1389 case OPT_NO_RESUME_EPHEMERAL:
1390 no_resume_ephemeral = 1;
1392 case OPT_PSK_IDENTITY:
1393 psk_identity = opt_arg();
1396 #ifndef OPENSSL_NO_PSK
1397 psk_identity_hint = opt_arg();
1401 for (p = psk_key = opt_arg(); *p; p++) {
1402 if (isxdigit(_UC(*p)))
1404 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1409 psksessf = opt_arg();
1412 #ifndef OPENSSL_NO_SRP
1413 srp_verifier_file = opt_arg();
1414 if (min_version < TLS1_VERSION)
1415 min_version = TLS1_VERSION;
1418 case OPT_SRPUSERSEED:
1419 #ifndef OPENSSL_NO_SRP
1420 srpuserseed = opt_arg();
1421 if (min_version < TLS1_VERSION)
1422 min_version = TLS1_VERSION;
1437 case OPT_SSL_CONFIG:
1438 ssl_config = opt_arg();
1441 min_version = SSL3_VERSION;
1442 max_version = SSL3_VERSION;
1445 min_version = TLS1_3_VERSION;
1446 max_version = TLS1_3_VERSION;
1449 min_version = TLS1_2_VERSION;
1450 max_version = TLS1_2_VERSION;
1453 min_version = TLS1_1_VERSION;
1454 max_version = TLS1_1_VERSION;
1457 min_version = TLS1_VERSION;
1458 max_version = TLS1_VERSION;
1461 #ifndef OPENSSL_NO_DTLS
1462 meth = DTLS_server_method();
1463 socket_type = SOCK_DGRAM;
1467 #ifndef OPENSSL_NO_DTLS
1468 meth = DTLS_server_method();
1469 min_version = DTLS1_VERSION;
1470 max_version = DTLS1_VERSION;
1471 socket_type = SOCK_DGRAM;
1475 #ifndef OPENSSL_NO_DTLS
1476 meth = DTLS_server_method();
1477 min_version = DTLS1_2_VERSION;
1478 max_version = DTLS1_2_VERSION;
1479 socket_type = SOCK_DGRAM;
1483 #ifndef OPENSSL_NO_SCTP
1484 protocol = IPPROTO_SCTP;
1488 #ifndef OPENSSL_NO_DTLS
1489 enable_timeouts = 1;
1493 #ifndef OPENSSL_NO_DTLS
1494 socket_mtu = atol(opt_arg());
1498 #ifndef OPENSSL_NO_DTLS
1506 session_id_prefix = opt_arg();
1509 engine = setup_engine(opt_arg(), 1);
1515 case OPT_SERVERNAME:
1516 tlsextcbp.servername = opt_arg();
1518 case OPT_SERVERNAME_FATAL:
1519 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1522 s_cert_file2 = opt_arg();
1525 s_key_file2 = opt_arg();
1527 case OPT_NEXTPROTONEG:
1528 # ifndef OPENSSL_NO_NEXTPROTONEG
1529 next_proto_neg_in = opt_arg();
1533 alpn_in = opt_arg();
1535 case OPT_SRTP_PROFILES:
1536 #ifndef OPENSSL_NO_SRTP
1537 srtp_profiles = opt_arg();
1540 case OPT_KEYMATEXPORT:
1541 keymatexportlabel = opt_arg();
1543 case OPT_KEYMATEXPORTLEN:
1544 keymatexportlen = atoi(opt_arg());
1549 case OPT_MAX_SEND_FRAG:
1550 max_send_fragment = atoi(opt_arg());
1552 case OPT_SPLIT_SEND_FRAG:
1553 split_send_fragment = atoi(opt_arg());
1555 case OPT_MAX_PIPELINES:
1556 max_pipelines = atoi(opt_arg());
1559 read_buf_len = atoi(opt_arg());
1561 case OPT_KEYLOG_FILE:
1562 keylog_file = opt_arg();
1565 max_early_data = atoi(opt_arg());
1566 if (max_early_data < 0) {
1567 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1571 case OPT_EARLY_DATA:
1576 argc = opt_num_rest();
1579 #ifndef OPENSSL_NO_NEXTPROTONEG
1580 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1581 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1585 #ifndef OPENSSL_NO_DTLS
1586 if (www && socket_type == SOCK_DGRAM) {
1587 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1591 if (dtlslisten && socket_type != SOCK_DGRAM) {
1592 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1597 if (stateless && socket_type != SOCK_STREAM) {
1598 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1603 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1605 "Can't use unix sockets and datagrams together\n");
1610 #ifndef OPENSSL_NO_SCTP
1611 if (protocol == IPPROTO_SCTP) {
1612 if (socket_type != SOCK_DGRAM) {
1613 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1616 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1617 socket_type = SOCK_STREAM;
1621 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1622 BIO_printf(bio_err, "Error getting password\n");
1626 if (s_key_file == NULL)
1627 s_key_file = s_cert_file;
1629 if (s_key_file2 == NULL)
1630 s_key_file2 = s_cert_file2;
1632 if (!load_excert(&exc))
1636 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1637 "server certificate private key file");
1638 if (s_key == NULL) {
1639 ERR_print_errors(bio_err);
1643 s_cert = load_cert(s_cert_file, s_cert_format,
1644 "server certificate file");
1646 if (s_cert == NULL) {
1647 ERR_print_errors(bio_err);
1650 if (s_chain_file != NULL) {
1651 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1652 "server certificate chain"))
1656 if (tlsextcbp.servername != NULL) {
1657 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1658 "second server certificate private key file");
1659 if (s_key2 == NULL) {
1660 ERR_print_errors(bio_err);
1664 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1665 "second server certificate file");
1667 if (s_cert2 == NULL) {
1668 ERR_print_errors(bio_err);
1673 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1674 if (next_proto_neg_in) {
1675 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1676 if (next_proto.data == NULL)
1680 alpn_ctx.data = NULL;
1682 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1683 if (alpn_ctx.data == NULL)
1687 if (crl_file != NULL) {
1689 crl = load_crl(crl_file, crl_format);
1691 BIO_puts(bio_err, "Error loading CRL\n");
1692 ERR_print_errors(bio_err);
1695 crls = sk_X509_CRL_new_null();
1696 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1697 BIO_puts(bio_err, "Error adding CRL\n");
1698 ERR_print_errors(bio_err);
1704 if (s_dcert_file != NULL) {
1706 if (s_dkey_file == NULL)
1707 s_dkey_file = s_dcert_file;
1709 s_dkey = load_key(s_dkey_file, s_dkey_format,
1710 0, dpass, engine, "second certificate private key file");
1711 if (s_dkey == NULL) {
1712 ERR_print_errors(bio_err);
1716 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1717 "second server certificate file");
1719 if (s_dcert == NULL) {
1720 ERR_print_errors(bio_err);
1723 if (s_dchain_file != NULL) {
1724 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1725 "second server certificate chain"))
1731 if (bio_s_out == NULL) {
1732 if (s_quiet && !s_debug) {
1733 bio_s_out = BIO_new(BIO_s_null());
1734 if (s_msg && bio_s_msg == NULL)
1735 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1737 if (bio_s_out == NULL)
1738 bio_s_out = dup_bio_out(FORMAT_TEXT);
1741 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1747 s_dcert_file = NULL;
1749 s_cert_file2 = NULL;
1753 ctx = SSL_CTX_new(meth);
1755 ERR_print_errors(bio_err);
1759 ssl_ctx_security_debug(ctx, sdebug);
1761 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1762 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1764 ERR_print_errors(bio_err);
1768 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1770 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1773 if (session_id_prefix) {
1774 if (strlen(session_id_prefix) >= 32)
1776 "warning: id_prefix is too long, only one new session will be possible\n");
1777 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1778 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1779 ERR_print_errors(bio_err);
1782 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1784 SSL_CTX_set_quiet_shutdown(ctx, 1);
1786 ssl_ctx_set_excert(ctx, exc);
1789 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1791 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1793 init_session_cache_ctx(ctx);
1795 SSL_CTX_sess_set_cache_size(ctx, 128);
1798 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1801 if (max_send_fragment > 0
1802 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1803 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1804 prog, max_send_fragment);
1808 if (split_send_fragment > 0
1809 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1810 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1811 prog, split_send_fragment);
1814 if (max_pipelines > 0
1815 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1816 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1817 prog, max_pipelines);
1821 if (read_buf_len > 0) {
1822 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1824 #ifndef OPENSSL_NO_SRTP
1825 if (srtp_profiles != NULL) {
1826 /* Returns 0 on success! */
1827 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1828 BIO_printf(bio_err, "Error setting SRTP profile\n");
1829 ERR_print_errors(bio_err);
1835 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1836 ERR_print_errors(bio_err);
1839 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1840 BIO_printf(bio_err, "Error setting verify params\n");
1841 ERR_print_errors(bio_err);
1845 ssl_ctx_add_crls(ctx, crls, 0);
1846 if (!config_ctx(cctx, ssl_args, ctx))
1849 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1850 crls, crl_download)) {
1851 BIO_printf(bio_err, "Error loading store locations\n");
1852 ERR_print_errors(bio_err);
1857 ctx2 = SSL_CTX_new(meth);
1859 ERR_print_errors(bio_err);
1865 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1868 ssl_ctx_security_debug(ctx, sdebug);
1870 if (session_id_prefix) {
1871 if (strlen(session_id_prefix) >= 32)
1873 "warning: id_prefix is too long, only one new session will be possible\n");
1874 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1875 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1876 ERR_print_errors(bio_err);
1879 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1881 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1883 ssl_ctx_set_excert(ctx2, exc);
1886 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1889 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1891 init_session_cache_ctx(ctx2);
1893 SSL_CTX_sess_set_cache_size(ctx2, 128);
1896 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1898 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1900 ERR_print_errors(bio_err);
1903 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1904 BIO_printf(bio_err, "Error setting verify params\n");
1905 ERR_print_errors(bio_err);
1909 ssl_ctx_add_crls(ctx2, crls, 0);
1910 if (!config_ctx(cctx, ssl_args, ctx2))
1913 #ifndef OPENSSL_NO_NEXTPROTONEG
1914 if (next_proto.data)
1915 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1919 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1921 #ifndef OPENSSL_NO_DH
1926 dh = load_dh_param(dhfile);
1927 else if (s_cert_file != NULL)
1928 dh = load_dh_param(s_cert_file);
1931 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1933 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1935 (void)BIO_flush(bio_s_out);
1938 SSL_CTX_set_dh_auto(ctx, 1);
1939 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1940 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1941 ERR_print_errors(bio_err);
1948 DH *dh2 = load_dh_param(s_cert_file2);
1950 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1951 (void)BIO_flush(bio_s_out);
1958 SSL_CTX_set_dh_auto(ctx2, 1);
1959 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1960 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1961 ERR_print_errors(bio_err);
1970 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1973 if (s_serverinfo_file != NULL
1974 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1975 ERR_print_errors(bio_err);
1980 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1983 if (s_dcert != NULL) {
1984 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1988 if (no_resume_ephemeral) {
1989 SSL_CTX_set_not_resumable_session_callback(ctx,
1990 not_resumable_sess_cb);
1993 SSL_CTX_set_not_resumable_session_callback(ctx2,
1994 not_resumable_sess_cb);
1996 #ifndef OPENSSL_NO_PSK
1997 if (psk_key != NULL) {
1999 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2000 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2003 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2004 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2005 ERR_print_errors(bio_err);
2009 if (psksessf != NULL) {
2010 BIO *stmp = BIO_new_file(psksessf, "r");
2013 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2014 ERR_print_errors(bio_err);
2017 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2019 if (psksess == NULL) {
2020 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2021 ERR_print_errors(bio_err);
2027 if (psk_key != NULL || psksess != NULL)
2028 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2030 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2031 if (!SSL_CTX_set_session_id_context(ctx,
2032 (void *)&s_server_session_id_context,
2033 sizeof(s_server_session_id_context))) {
2034 BIO_printf(bio_err, "error setting session id context\n");
2035 ERR_print_errors(bio_err);
2039 /* Set DTLS cookie generation and verification callbacks */
2040 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2041 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2044 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2045 if (!SSL_CTX_set_session_id_context(ctx2,
2046 (void *)&s_server_session_id_context,
2047 sizeof(s_server_session_id_context))) {
2048 BIO_printf(bio_err, "error setting session id context\n");
2049 ERR_print_errors(bio_err);
2052 tlsextcbp.biodebug = bio_s_out;
2053 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2054 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2055 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2056 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2059 #ifndef OPENSSL_NO_SRP
2060 if (srp_verifier_file != NULL) {
2061 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2062 srp_callback_parm.user = NULL;
2063 srp_callback_parm.login = NULL;
2065 SRP_VBASE_init(srp_callback_parm.vb,
2066 srp_verifier_file)) != SRP_NO_ERROR) {
2068 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2069 srp_verifier_file, ret);
2072 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2073 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2074 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2077 if (CAfile != NULL) {
2078 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2081 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2083 #ifndef OPENSSL_NO_OCSP
2084 if (s_tlsextstatus) {
2085 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2086 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2088 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2089 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2093 if (set_keylog_file(ctx, keylog_file))
2096 if (max_early_data >= 0)
2097 SSL_CTX_set_max_early_data(ctx, max_early_data);
2099 BIO_printf(bio_s_out, "ACCEPT\n");
2100 (void)BIO_flush(bio_s_out);
2102 server_cb = rev_body;
2104 server_cb = www_body;
2106 server_cb = sv_body;
2108 if (socket_family == AF_UNIX
2109 && unlink_unix_path)
2112 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2113 server_cb, context, naccept);
2114 print_stats(bio_s_out, ctx);
2118 SSL_SESSION_free(psksess);
2119 set_keylog_file(NULL, NULL);
2121 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2123 EVP_PKEY_free(s_key);
2124 EVP_PKEY_free(s_dkey);
2125 sk_X509_pop_free(s_chain, X509_free);
2126 sk_X509_pop_free(s_dchain, X509_free);
2128 OPENSSL_free(dpass);
2131 X509_VERIFY_PARAM_free(vpm);
2133 OPENSSL_free(tlscstatp.host);
2134 OPENSSL_free(tlscstatp.port);
2135 OPENSSL_free(tlscstatp.path);
2138 EVP_PKEY_free(s_key2);
2139 #ifndef OPENSSL_NO_NEXTPROTONEG
2140 OPENSSL_free(next_proto.data);
2142 OPENSSL_free(alpn_ctx.data);
2143 ssl_excert_free(exc);
2144 sk_OPENSSL_STRING_free(ssl_args);
2145 SSL_CONF_CTX_free(cctx);
2146 release_engine(engine);
2147 BIO_free(bio_s_out);
2149 BIO_free(bio_s_msg);
2151 #ifdef CHARSET_EBCDIC
2152 BIO_meth_free(methods_ebcdic);
2157 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2159 BIO_printf(bio, "%4ld items in the session cache\n",
2160 SSL_CTX_sess_number(ssl_ctx));
2161 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2162 SSL_CTX_sess_connect(ssl_ctx));
2163 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2164 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2165 BIO_printf(bio, "%4ld client connects that finished\n",
2166 SSL_CTX_sess_connect_good(ssl_ctx));
2167 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2168 SSL_CTX_sess_accept(ssl_ctx));
2169 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2170 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2171 BIO_printf(bio, "%4ld server accepts that finished\n",
2172 SSL_CTX_sess_accept_good(ssl_ctx));
2173 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2174 BIO_printf(bio, "%4ld session cache misses\n",
2175 SSL_CTX_sess_misses(ssl_ctx));
2176 BIO_printf(bio, "%4ld session cache timeouts\n",
2177 SSL_CTX_sess_timeouts(ssl_ctx));
2178 BIO_printf(bio, "%4ld callback cache hits\n",
2179 SSL_CTX_sess_cb_hits(ssl_ctx));
2180 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2181 SSL_CTX_sess_cache_full(ssl_ctx),
2182 SSL_CTX_sess_get_cache_size(ssl_ctx));
2185 static int sv_body(int s, int stype, int prot, unsigned char *context)
2194 struct timeval timeout;
2195 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2198 struct timeval *timeoutp;
2200 #ifndef OPENSSL_NO_DTLS
2201 # ifndef OPENSSL_NO_SCTP
2202 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2204 int isdtls = (stype == SOCK_DGRAM);
2208 buf = app_malloc(bufsize, "server buffer");
2210 if (!BIO_socket_nbio(s, 1))
2211 ERR_print_errors(bio_err);
2213 BIO_printf(bio_err, "Turned on non blocking io\n");
2222 if (s_tlsextdebug) {
2223 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2224 SSL_set_tlsext_debug_arg(con, bio_s_out);
2228 && !SSL_set_session_id_context(con, context,
2229 strlen((char *)context))) {
2230 BIO_printf(bio_err, "Error setting session id context\n");
2235 if (!SSL_clear(con)) {
2236 BIO_printf(bio_err, "Error clearing SSL connection\n");
2240 #ifndef OPENSSL_NO_DTLS
2242 # ifndef OPENSSL_NO_SCTP
2243 if (prot == IPPROTO_SCTP)
2244 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2247 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2249 if (enable_timeouts) {
2251 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2252 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2255 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2256 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2260 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2261 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2262 DTLS_get_link_min_mtu(con));
2267 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2268 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2269 BIO_printf(bio_err, "Failed to set MTU\n");
2275 /* want to do MTU discovery */
2276 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2278 # ifndef OPENSSL_NO_SCTP
2279 if (prot != IPPROTO_SCTP)
2281 /* Turn on cookie exchange. Not necessary for SCTP */
2282 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2285 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2288 BIO_printf(bio_err, "Unable to create BIO\n");
2289 ERR_print_errors(bio_err);
2296 test = BIO_new(BIO_f_nbio_test());
2297 sbio = BIO_push(test, sbio);
2300 SSL_set_bio(con, sbio, sbio);
2301 SSL_set_accept_state(con);
2302 /* SSL_set_fd(con,s); */
2305 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2306 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2309 #ifndef OPENSSL_NO_SSL_TRACE
2311 SSL_set_msg_callback(con, SSL_trace);
2314 SSL_set_msg_callback(con, msg_cb);
2315 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2318 if (s_tlsextdebug) {
2319 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2320 SSL_set_tlsext_debug_arg(con, bio_s_out);
2324 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2327 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2329 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2330 if (edret != SSL_READ_EARLY_DATA_ERROR)
2333 switch (SSL_get_error(con, 0)) {
2334 case SSL_ERROR_WANT_WRITE:
2335 case SSL_ERROR_WANT_ASYNC:
2336 case SSL_ERROR_WANT_READ:
2337 /* Just keep trying - busy waiting */
2340 BIO_printf(bio_err, "Error reading early data\n");
2341 ERR_print_errors(bio_err);
2345 if (readbytes > 0) {
2347 BIO_printf(bio_s_out, "Early data received:\n");
2350 raw_write_stdout(buf, (unsigned int)readbytes);
2351 (void)BIO_flush(bio_s_out);
2355 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2356 BIO_printf(bio_s_out, "No early data received\n");
2358 BIO_printf(bio_s_out, "Early data was rejected\n");
2360 BIO_printf(bio_s_out, "\nEnd of early data\n");
2362 if (SSL_is_init_finished(con))
2363 print_connection_info(con);
2366 if (fileno_stdin() > s)
2367 width = fileno_stdin() + 1;
2371 int read_from_terminal;
2372 int read_from_sslcon;
2374 read_from_terminal = 0;
2375 read_from_sslcon = SSL_has_pending(con)
2376 || (async && SSL_waiting_for_async(con));
2378 if (!read_from_sslcon) {
2380 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2381 openssl_fdset(fileno_stdin(), &readfds);
2383 openssl_fdset(s, &readfds);
2385 * Note: under VMS with SOCKETSHR the second parameter is
2386 * currently of type (int *) whereas under other systems it is
2387 * (void *) if you don't have a cast it will choke the compiler:
2388 * if you do have a cast then you can either go for (int *) or
2391 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2393 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2394 * only on sockets. As a workaround we timeout the select every
2395 * second and check for any keypress. In a proper Windows
2396 * application we wouldn't do this because it is inefficient.
2400 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2401 if (has_stdin_waiting())
2402 read_from_terminal = 1;
2403 if ((i < 0) || (!i && !read_from_terminal))
2406 if ((SSL_version(con) == DTLS1_VERSION) &&
2407 DTLSv1_get_timeout(con, &timeout))
2408 timeoutp = &timeout;
2412 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2414 if ((SSL_version(con) == DTLS1_VERSION)
2415 && DTLSv1_handle_timeout(con) > 0) {
2416 BIO_printf(bio_err, "TIMEOUT occurred\n");
2421 if (FD_ISSET(fileno_stdin(), &readfds))
2422 read_from_terminal = 1;
2424 if (FD_ISSET(s, &readfds))
2425 read_from_sslcon = 1;
2427 if (read_from_terminal) {
2431 i = raw_read_stdin(buf, bufsize / 2);
2433 /* both loops are skipped when i <= 0 */
2434 for (j = 0; j < i; j++)
2437 for (j = i - 1; j >= 0; j--) {
2438 buf[j + lf_num] = buf[j];
2439 if (buf[j] == '\n') {
2442 buf[j + lf_num] = '\r';
2445 assert(lf_num == 0);
2447 i = raw_read_stdin(buf, bufsize);
2450 if (!s_quiet && !s_brief) {
2451 if ((i <= 0) || (buf[0] == 'Q')) {
2452 BIO_printf(bio_s_out, "DONE\n");
2453 (void)BIO_flush(bio_s_out);
2455 close_accept_socket();
2459 if ((i <= 0) || (buf[0] == 'q')) {
2460 BIO_printf(bio_s_out, "DONE\n");
2461 (void)BIO_flush(bio_s_out);
2462 if (SSL_version(con) != DTLS1_VERSION)
2465 * close_accept_socket(); ret= -11;
2469 #ifndef OPENSSL_NO_HEARTBEATS
2470 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2471 BIO_printf(bio_err, "HEARTBEATING\n");
2477 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2478 SSL_renegotiate(con);
2479 i = SSL_do_handshake(con);
2480 printf("SSL_do_handshake -> %d\n", i);
2484 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2486 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2488 SSL_renegotiate(con);
2489 i = SSL_do_handshake(con);
2490 printf("SSL_do_handshake -> %d\n", i);
2494 if ((buf[0] == 'K' || buf[0] == 'k')
2495 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2496 SSL_key_update(con, buf[0] == 'K' ?
2497 SSL_KEY_UPDATE_REQUESTED
2498 : SSL_KEY_UPDATE_NOT_REQUESTED);
2499 i = SSL_do_handshake(con);
2500 printf("SSL_do_handshake -> %d\n", i);
2504 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2505 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2506 i = SSL_verify_client_post_handshake(con);
2508 printf("Failed to initiate request\n");
2509 ERR_print_errors(bio_err);
2511 i = SSL_do_handshake(con);
2512 printf("SSL_do_handshake -> %d\n", i);
2517 if (buf[0] == 'P') {
2518 static const char *str = "Lets print some clear text\n";
2519 BIO_write(SSL_get_wbio(con), str, strlen(str));
2521 if (buf[0] == 'S') {
2522 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2525 #ifdef CHARSET_EBCDIC
2526 ebcdic2ascii(buf, buf, i);
2530 /* should do a select for the write */
2533 if (++count == 100) {
2535 SSL_renegotiate(con);
2538 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2539 #ifndef OPENSSL_NO_SRP
2540 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2541 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2542 SRP_user_pwd_free(srp_callback_parm.user);
2543 srp_callback_parm.user =
2544 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2545 srp_callback_parm.login);
2546 if (srp_callback_parm.user)
2547 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2548 srp_callback_parm.user->info);
2550 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2551 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2554 switch (SSL_get_error(con, k)) {
2555 case SSL_ERROR_NONE:
2557 case SSL_ERROR_WANT_ASYNC:
2558 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2559 (void)BIO_flush(bio_s_out);
2560 wait_for_async(con);
2562 case SSL_ERROR_WANT_WRITE:
2563 case SSL_ERROR_WANT_READ:
2564 case SSL_ERROR_WANT_X509_LOOKUP:
2565 BIO_printf(bio_s_out, "Write BLOCK\n");
2566 (void)BIO_flush(bio_s_out);
2568 case SSL_ERROR_WANT_ASYNC_JOB:
2570 * This shouldn't ever happen in s_server. Treat as an error
2572 case SSL_ERROR_SYSCALL:
2574 BIO_printf(bio_s_out, "ERROR\n");
2575 (void)BIO_flush(bio_s_out);
2576 ERR_print_errors(bio_err);
2580 case SSL_ERROR_ZERO_RETURN:
2581 BIO_printf(bio_s_out, "DONE\n");
2582 (void)BIO_flush(bio_s_out);
2594 if (read_from_sslcon) {
2596 * init_ssl_connection handles all async events itself so if we're
2597 * waiting for async then we shouldn't go back into
2598 * init_ssl_connection
2600 if ((!async || !SSL_waiting_for_async(con))
2601 && !SSL_is_init_finished(con)) {
2602 i = init_ssl_connection(con);
2607 } else if (i == 0) {
2613 i = SSL_read(con, (char *)buf, bufsize);
2614 #ifndef OPENSSL_NO_SRP
2615 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2616 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2617 SRP_user_pwd_free(srp_callback_parm.user);
2618 srp_callback_parm.user =
2619 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2620 srp_callback_parm.login);
2621 if (srp_callback_parm.user)
2622 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2623 srp_callback_parm.user->info);
2625 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2626 i = SSL_read(con, (char *)buf, bufsize);
2629 switch (SSL_get_error(con, i)) {
2630 case SSL_ERROR_NONE:
2631 #ifdef CHARSET_EBCDIC
2632 ascii2ebcdic(buf, buf, i);
2634 raw_write_stdout(buf, (unsigned int)i);
2635 (void)BIO_flush(bio_s_out);
2636 if (SSL_has_pending(con))
2639 case SSL_ERROR_WANT_ASYNC:
2640 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2641 (void)BIO_flush(bio_s_out);
2642 wait_for_async(con);
2644 case SSL_ERROR_WANT_WRITE:
2645 case SSL_ERROR_WANT_READ:
2646 BIO_printf(bio_s_out, "Read BLOCK\n");
2647 (void)BIO_flush(bio_s_out);
2649 case SSL_ERROR_WANT_ASYNC_JOB:
2651 * This shouldn't ever happen in s_server. Treat as an error
2653 case SSL_ERROR_SYSCALL:
2655 BIO_printf(bio_s_out, "ERROR\n");
2656 (void)BIO_flush(bio_s_out);
2657 ERR_print_errors(bio_err);
2660 case SSL_ERROR_ZERO_RETURN:
2661 BIO_printf(bio_s_out, "DONE\n");
2662 (void)BIO_flush(bio_s_out);
2671 BIO_printf(bio_s_out, "shutting down SSL\n");
2672 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2675 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2676 OPENSSL_clear_free(buf, bufsize);
2678 BIO_printf(bio_s_out, "ACCEPT\n");
2679 (void)BIO_flush(bio_s_out);
2683 static void close_accept_socket(void)
2685 BIO_printf(bio_err, "shutdown accept socket\n");
2686 if (accept_socket >= 0) {
2687 BIO_closesocket(accept_socket);
2691 static int is_retryable(SSL *con, int i)
2693 int err = SSL_get_error(con, i);
2695 /* If it's not a fatal error, it must be retryable */
2696 return (err != SSL_ERROR_SSL)
2697 && (err != SSL_ERROR_SYSCALL)
2698 && (err != SSL_ERROR_ZERO_RETURN);
2701 static int init_ssl_connection(SSL *con)
2707 if (dtlslisten || stateless) {
2708 BIO_ADDR *client = NULL;
2711 if ((client = BIO_ADDR_new()) == NULL) {
2712 BIO_printf(bio_err, "ERROR - memory\n");
2715 i = DTLSv1_listen(con, client);
2717 i = SSL_stateless(con);
2724 wbio = SSL_get_wbio(con);
2726 BIO_get_fd(wbio, &fd);
2729 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2730 BIO_printf(bio_err, "ERROR - unable to connect\n");
2731 BIO_ADDR_free(client);
2734 BIO_ADDR_free(client);
2739 i = SSL_accept(con);
2741 BIO_ADDR_free(client);
2745 i = SSL_accept(con);
2748 retry = is_retryable(con, i);
2749 #ifdef CERT_CB_TEST_RETRY
2752 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2753 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2755 "LOOKUP from certificate callback during accept\n");
2756 i = SSL_accept(con);
2758 retry = is_retryable(con, i);
2763 #ifndef OPENSSL_NO_SRP
2765 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2766 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2767 srp_callback_parm.login);
2768 SRP_user_pwd_free(srp_callback_parm.user);
2769 srp_callback_parm.user =
2770 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2771 srp_callback_parm.login);
2772 if (srp_callback_parm.user)
2773 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2774 srp_callback_parm.user->info);
2776 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2777 i = SSL_accept(con);
2779 retry = is_retryable(con, i);
2782 } while (i < 0 && SSL_waiting_for_async(con));
2786 if (((dtlslisten || stateless) && i == 0)
2787 || (!dtlslisten && !stateless && retry)) {
2788 BIO_printf(bio_s_out, "DELAY\n");
2792 BIO_printf(bio_err, "ERROR\n");
2794 verify_err = SSL_get_verify_result(con);
2795 if (verify_err != X509_V_OK) {
2796 BIO_printf(bio_err, "verify error:%s\n",
2797 X509_verify_cert_error_string(verify_err));
2799 /* Always print any error messages */
2800 ERR_print_errors(bio_err);
2804 print_connection_info(con);
2808 static void print_connection_info(SSL *con)
2813 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2814 const unsigned char *next_proto_neg;
2815 unsigned next_proto_neg_len;
2817 unsigned char *exportedkeymat;
2821 print_ssl_summary(con);
2823 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2825 peer = SSL_get_peer_certificate(con);
2827 BIO_printf(bio_s_out, "Client certificate\n");
2828 PEM_write_bio_X509(bio_s_out, peer);
2829 dump_cert_text(bio_s_out, peer);
2834 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2835 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2836 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2837 ssl_print_sigalgs(bio_s_out, con);
2838 #ifndef OPENSSL_NO_EC
2839 ssl_print_point_formats(bio_s_out, con);
2840 ssl_print_groups(bio_s_out, con, 0);
2842 print_ca_names(bio_s_out, con);
2843 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2845 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2846 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2847 if (next_proto_neg) {
2848 BIO_printf(bio_s_out, "NEXTPROTO is ");
2849 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2850 BIO_printf(bio_s_out, "\n");
2853 #ifndef OPENSSL_NO_SRTP
2855 SRTP_PROTECTION_PROFILE *srtp_profile
2856 = SSL_get_selected_srtp_profile(con);
2859 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2860 srtp_profile->name);
2863 if (SSL_session_reused(con))
2864 BIO_printf(bio_s_out, "Reused session-id\n");
2865 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2866 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2867 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2868 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2870 if (keymatexportlabel != NULL) {
2871 BIO_printf(bio_s_out, "Keying material exporter:\n");
2872 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2873 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2874 exportedkeymat = app_malloc(keymatexportlen, "export key");
2875 if (!SSL_export_keying_material(con, exportedkeymat,
2878 strlen(keymatexportlabel),
2880 BIO_printf(bio_s_out, " Error\n");
2882 BIO_printf(bio_s_out, " Keying material: ");
2883 for (i = 0; i < keymatexportlen; i++)
2884 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2885 BIO_printf(bio_s_out, "\n");
2887 OPENSSL_free(exportedkeymat);
2890 (void)BIO_flush(bio_s_out);
2893 #ifndef OPENSSL_NO_DH
2894 static DH *load_dh_param(const char *dhfile)
2899 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2901 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2908 static int www_body(int s, int stype, int prot, unsigned char *context)
2914 const SSL_CIPHER *c;
2915 BIO *io, *ssl_bio, *sbio;
2917 int total_bytes = 0;
2922 /* Set width for a select call if needed */
2925 buf = app_malloc(bufsize, "server www buffer");
2926 io = BIO_new(BIO_f_buffer());
2927 ssl_bio = BIO_new(BIO_f_ssl());
2928 if ((io == NULL) || (ssl_bio == NULL))
2932 if (!BIO_socket_nbio(s, 1))
2933 ERR_print_errors(bio_err);
2935 BIO_printf(bio_err, "Turned on non blocking io\n");
2938 /* lets make the output buffer a reasonable size */
2939 if (!BIO_set_write_buffer_size(io, bufsize))
2942 if ((con = SSL_new(ctx)) == NULL)
2945 if (s_tlsextdebug) {
2946 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2947 SSL_set_tlsext_debug_arg(con, bio_s_out);
2951 && !SSL_set_session_id_context(con, context,
2952 strlen((char *)context)))
2955 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2959 test = BIO_new(BIO_f_nbio_test());
2960 sbio = BIO_push(test, sbio);
2962 SSL_set_bio(con, sbio, sbio);
2963 SSL_set_accept_state(con);
2965 /* SSL_set_fd(con,s); */
2966 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2967 BIO_push(io, ssl_bio);
2968 #ifdef CHARSET_EBCDIC
2969 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2973 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2974 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2977 #ifndef OPENSSL_NO_SSL_TRACE
2979 SSL_set_msg_callback(con, SSL_trace);
2982 SSL_set_msg_callback(con, msg_cb);
2983 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2987 i = BIO_gets(io, buf, bufsize - 1);
2988 if (i < 0) { /* error */
2989 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2991 ERR_print_errors(bio_err);
2994 BIO_printf(bio_s_out, "read R BLOCK\n");
2995 #ifndef OPENSSL_NO_SRP
2996 if (BIO_should_io_special(io)
2997 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2998 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2999 SRP_user_pwd_free(srp_callback_parm.user);
3000 srp_callback_parm.user =
3001 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3002 srp_callback_parm.login);
3003 if (srp_callback_parm.user)
3004 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3005 srp_callback_parm.user->info);
3007 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3011 #if !defined(OPENSSL_SYS_MSDOS)
3016 } else if (i == 0) { /* end of input */
3021 /* else we have data */
3022 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3023 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3026 STACK_OF(SSL_CIPHER) *sk;
3027 static const char *space = " ";
3029 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3030 if (strncmp("GET /renegcert", buf, 14) == 0)
3032 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3034 i = SSL_renegotiate(con);
3035 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3036 /* Send the HelloRequest */
3037 i = SSL_do_handshake(con);
3039 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3040 SSL_get_error(con, i));
3041 ERR_print_errors(bio_err);
3044 /* Wait for a ClientHello to come back */
3046 openssl_fdset(s, &readfds);
3047 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3048 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3049 BIO_printf(bio_s_out,
3050 "Error waiting for client response\n");
3051 ERR_print_errors(bio_err);
3055 * We're not actually expecting any data here and we ignore
3056 * any that is sent. This is just to force the handshake that
3057 * we're expecting to come from the client. If they haven't
3058 * sent one there's not much we can do.
3060 BIO_gets(io, buf, bufsize - 1);
3064 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3065 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3066 BIO_puts(io, "<pre>\n");
3067 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3069 for (i = 0; i < local_argc; i++) {
3071 for (myp = local_argv[i]; *myp; myp++)
3074 BIO_puts(io, "<");
3077 BIO_puts(io, ">");
3080 BIO_puts(io, "&");
3083 BIO_write(io, myp, 1);
3086 BIO_write(io, " ", 1);
3091 "Secure Renegotiation IS%s supported\n",
3092 SSL_get_secure_renegotiation_support(con) ?
3096 * The following is evil and should not really be done
3098 BIO_printf(io, "Ciphers supported in s_server binary\n");
3099 sk = SSL_get_ciphers(con);
3100 j = sk_SSL_CIPHER_num(sk);
3101 for (i = 0; i < j; i++) {
3102 c = sk_SSL_CIPHER_value(sk, i);
3103 BIO_printf(io, "%-11s:%-25s ",
3104 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3105 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3109 p = SSL_get_shared_ciphers(con, buf, bufsize);
3112 "---\nCiphers common between both SSL end points:\n");
3116 BIO_write(io, space, 26 - j);
3119 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3121 BIO_write(io, p, 1);
3128 ssl_print_sigalgs(io, con);
3129 #ifndef OPENSSL_NO_EC
3130 ssl_print_groups(io, con, 0);
3132 print_ca_names(io, con);
3133 BIO_printf(io, (SSL_session_reused(con)
3134 ? "---\nReused, " : "---\nNew, "));
3135 c = SSL_get_current_cipher(con);
3136 BIO_printf(io, "%s, Cipher is %s\n",
3137 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3138 SSL_SESSION_print(io, SSL_get_session(con));
3139 BIO_printf(io, "---\n");
3140 print_stats(io, SSL_get_SSL_CTX(con));
3141 BIO_printf(io, "---\n");
3142 peer = SSL_get_peer_certificate(con);
3144 BIO_printf(io, "Client certificate\n");
3145 X509_print(io, peer);
3146 PEM_write_bio_X509(io, peer);
3150 BIO_puts(io, "no client certificate available\n");
3152 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3154 } else if ((www == 2 || www == 3)
3155 && (strncmp("GET /", buf, 5) == 0)) {
3158 static const char *text =
3159 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3165 for (e = p; *e != '\0'; e++) {
3171 dot = (e[0] == '.') ? 2 : 0;
3174 dot = (e[0] == '.') ? 3 : 0;
3177 dot = (e[0] == '/') ? -1 : 0;
3181 dot = (e[0] == '/') ? 1 : 0;
3183 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3188 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3195 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3201 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3205 /* if a directory, do the index thang */
3206 if (app_isdir(p) > 0) {
3208 BIO_printf(io, "'%s' is a directory\r\n", p);
3212 if ((file = BIO_new_file(p, "r")) == NULL) {
3214 BIO_printf(io, "Error opening '%s'\r\n", p);
3215 ERR_print_errors(io);
3220 BIO_printf(bio_err, "FILE:%s\n", p);
3224 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3225 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3226 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3228 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3231 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3235 i = BIO_read(file, buf, bufsize);
3241 BIO_printf(bio_err, "%d\n", i);
3242 if (total_bytes > 3 * 1024) {
3244 BIO_printf(bio_err, "RENEGOTIATE\n");
3245 SSL_renegotiate(con);
3249 for (j = 0; j < i;) {
3252 if (++count == 13) {
3253 SSL_renegotiate(con);
3256 k = BIO_write(io, &(buf[j]), i - j);
3258 if (!BIO_should_retry(io)
3259 && !SSL_waiting_for_async(con))
3262 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3276 i = (int)BIO_flush(io);
3278 if (!BIO_should_retry(io))
3284 /* make sure we re-use sessions */
3285 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3289 BIO_printf(bio_s_out, "ACCEPT\n");
3295 static int rev_body(int s, int stype, int prot, unsigned char *context)
3301 BIO *io, *ssl_bio, *sbio;
3303 buf = app_malloc(bufsize, "server rev buffer");
3304 io = BIO_new(BIO_f_buffer());
3305 ssl_bio = BIO_new(BIO_f_ssl());
3306 if ((io == NULL) || (ssl_bio == NULL))
3309 /* lets make the output buffer a reasonable size */
3310 if (!BIO_set_write_buffer_size(io, bufsize))
3313 if ((con = SSL_new(ctx)) == NULL)
3316 if (s_tlsextdebug) {
3317 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3318 SSL_set_tlsext_debug_arg(con, bio_s_out);
3321 && !SSL_set_session_id_context(con, context,
3322 strlen((char *)context))) {
3323 ERR_print_errors(bio_err);
3327 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3328 SSL_set_bio(con, sbio, sbio);
3329 SSL_set_accept_state(con);
3331 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3332 BIO_push(io, ssl_bio);
3333 #ifdef CHARSET_EBCDIC
3334 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3338 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3339 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3342 #ifndef OPENSSL_NO_SSL_TRACE
3344 SSL_set_msg_callback(con, SSL_trace);
3347 SSL_set_msg_callback(con, msg_cb);
3348 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3352 i = BIO_do_handshake(io);
3355 if (!BIO_should_retry(io)) {
3356 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3357 ERR_print_errors(bio_err);
3360 #ifndef OPENSSL_NO_SRP
3361 if (BIO_should_io_special(io)
3362 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3363 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3364 SRP_user_pwd_free(srp_callback_parm.user);
3365 srp_callback_parm.user =
3366 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3367 srp_callback_parm.login);
3368 if (srp_callback_parm.user)
3369 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3370 srp_callback_parm.user->info);
3372 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3377 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3378 print_ssl_summary(con);
3381 i = BIO_gets(io, buf, bufsize - 1);
3382 if (i < 0) { /* error */
3383 if (!BIO_should_retry(io)) {
3385 ERR_print_errors(bio_err);
3388 BIO_printf(bio_s_out, "read R BLOCK\n");
3389 #ifndef OPENSSL_NO_SRP
3390 if (BIO_should_io_special(io)
3391 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3392 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3393 SRP_user_pwd_free(srp_callback_parm.user);
3394 srp_callback_parm.user =
3395 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3396 srp_callback_parm.login);
3397 if (srp_callback_parm.user)
3398 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3399 srp_callback_parm.user->info);
3401 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3405 #if !defined(OPENSSL_SYS_MSDOS)
3410 } else if (i == 0) { /* end of input */
3412 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3415 char *p = buf + i - 1;
3416 while (i && (*p == '\n' || *p == '\r')) {
3420 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3422 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3425 BUF_reverse((unsigned char *)buf, NULL, i);
3427 BIO_write(io, buf, i + 1);
3432 if (!BIO_should_retry(io))
3438 /* make sure we re-use sessions */
3439 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3448 #define MAX_SESSION_ID_ATTEMPTS 10
3449 static int generate_session_id(SSL *ssl, unsigned char *id,
3450 unsigned int *id_len)
3452 unsigned int count = 0;
3454 if (RAND_bytes(id, *id_len) <= 0)
3457 * Prefix the session_id with the required prefix. NB: If our prefix
3458 * is too long, clip it - but there will be worse effects anyway, eg.
3459 * the server could only possibly create 1 session ID (ie. the
3460 * prefix!) so all future session negotiations will fail due to
3463 memcpy(id, session_id_prefix,
3464 (strlen(session_id_prefix) < *id_len) ?
3465 strlen(session_id_prefix) : *id_len);
3467 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3468 (++count < MAX_SESSION_ID_ATTEMPTS));
3469 if (count >= MAX_SESSION_ID_ATTEMPTS)
3475 * By default s_server uses an in-memory cache which caches SSL_SESSION
3476 * structures without any serialisation. This hides some bugs which only
3477 * become apparent in deployed servers. By implementing a basic external
3478 * session cache some issues can be debugged using s_server.
3481 typedef struct simple_ssl_session_st {
3486 struct simple_ssl_session_st *next;
3487 } simple_ssl_session;
3489 static simple_ssl_session *first = NULL;
3491 static int add_session(SSL *ssl, SSL_SESSION *session)
3493 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3496 SSL_SESSION_get_id(session, &sess->idlen);
3497 sess->derlen = i2d_SSL_SESSION(session, NULL);
3498 if (sess->derlen < 0) {
3499 BIO_printf(bio_err, "Error encoding session\n");
3504 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3505 sess->der = app_malloc(sess->derlen, "get session buffer");
3507 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3508 OPENSSL_free(sess->id);
3509 OPENSSL_free(sess->der);
3515 /* Assume it still works. */
3516 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3517 BIO_printf(bio_err, "Unexpected session encoding length\n");
3518 OPENSSL_free(sess->id);
3519 OPENSSL_free(sess->der);
3526 BIO_printf(bio_err, "New session added to external cache\n");
3530 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3533 simple_ssl_session *sess;
3535 for (sess = first; sess; sess = sess->next) {
3536 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3537 const unsigned char *p = sess->der;
3538 BIO_printf(bio_err, "Lookup session: cache hit\n");
3539 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3542 BIO_printf(bio_err, "Lookup session: cache miss\n");
3546 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3548 simple_ssl_session *sess, *prev = NULL;
3549 const unsigned char *id;
3551 id = SSL_SESSION_get_id(session, &idlen);
3552 for (sess = first; sess; sess = sess->next) {
3553 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3555 prev->next = sess->next;
3558 OPENSSL_free(sess->id);
3559 OPENSSL_free(sess->der);
3567 static void init_session_cache_ctx(SSL_CTX *sctx)
3569 SSL_CTX_set_session_cache_mode(sctx,
3570 SSL_SESS_CACHE_NO_INTERNAL |
3571 SSL_SESS_CACHE_SERVER);
3572 SSL_CTX_sess_set_new_cb(sctx, add_session);
3573 SSL_CTX_sess_set_get_cb(sctx, get_session);
3574 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3577 static void free_sessions(void)
3579 simple_ssl_session *sess, *tsess;
3580 for (sess = first; sess;) {
3581 OPENSSL_free(sess->id);
3582 OPENSSL_free(sess->der);
3585 OPENSSL_free(tsess);
3590 #endif /* OPENSSL_NO_SOCK */