2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
4 * Copyright 2005 Nokia. All rights reserved.
6 * Licensed under the Apache License 2.0 (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
17 /* Included before async.h to avoid some warnings */
21 #include <openssl/e_os2.h>
22 #include <openssl/async.h>
23 #include <openssl/ssl.h>
25 #ifndef OPENSSL_NO_SOCK
28 * With IPv6, it looks like Digital has mixed up the proper order of
29 * recursive header file inclusion, resulting in the compiler complaining
30 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
31 * needed to have fileno() declared correctly... So let's define u_int
33 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
35 typedef unsigned int u_int;
38 #include <openssl/bn.h>
41 #include <openssl/err.h>
42 #include <openssl/pem.h>
43 #include <openssl/x509.h>
44 #include <openssl/ssl.h>
45 #include <openssl/rand.h>
46 #include <openssl/ocsp.h>
48 # include <openssl/dh.h>
50 #ifndef OPENSSL_NO_RSA
51 # include <openssl/rsa.h>
53 #ifndef OPENSSL_NO_SRP
54 # include <openssl/srp.h>
59 #include <openssl/ebcdic.h>
61 #include "internal/sockets.h"
63 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
64 static int sv_body(int s, int stype, int prot, unsigned char *context);
65 static int www_body(int s, int stype, int prot, unsigned char *context);
66 static int rev_body(int s, int stype, int prot, unsigned char *context);
67 static void close_accept_socket(void);
68 static int init_ssl_connection(SSL *s);
69 static void print_stats(BIO *bp, SSL_CTX *ctx);
70 static int generate_session_id(SSL *ssl, unsigned char *id,
71 unsigned int *id_len);
72 static void init_session_cache_ctx(SSL_CTX *sctx);
73 static void free_sessions(void);
75 static DH *load_dh_param(const char *dhfile);
77 static void print_connection_info(SSL *con);
79 static const int bufsize = 16 * 1024;
80 static int accept_socket = -1;
82 #define TEST_CERT "server.pem"
83 #define TEST_CERT2 "server2.pem"
85 static int s_nbio = 0;
86 static int s_nbio_test = 0;
87 static int s_crlf = 0;
88 static SSL_CTX *ctx = NULL;
89 static SSL_CTX *ctx2 = NULL;
92 static BIO *bio_s_out = NULL;
93 static BIO *bio_s_msg = NULL;
94 static int s_debug = 0;
95 static int s_tlsextdebug = 0;
97 static int s_quiet = 0;
98 static int s_ign_eof = 0;
99 static int s_brief = 0;
101 static char *keymatexportlabel = NULL;
102 static int keymatexportlen = 20;
104 static int async = 0;
106 static const char *session_id_prefix = NULL;
108 #ifndef OPENSSL_NO_DTLS
109 static int enable_timeouts = 0;
110 static long socket_mtu;
114 * We define this but make it always be 0 in no-dtls builds to simplify the
117 static int dtlslisten = 0;
118 static int stateless = 0;
120 static int early_data = 0;
121 static SSL_SESSION *psksess = NULL;
123 static char *psk_identity = "Client_identity";
124 char *psk_key = NULL; /* by default PSK is not used */
126 static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
128 #ifndef OPENSSL_NO_PSK
129 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
131 unsigned int max_psk_len)
137 BIO_printf(bio_s_out, "psk_server_cb\n");
138 if (identity == NULL) {
139 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
143 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
144 (int)strlen(identity), identity);
146 /* here we could lookup the given identity e.g. from a database */
147 if (strcmp(identity, psk_identity) != 0) {
148 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
149 " (got '%s' expected '%s')\n", identity, psk_identity);
152 BIO_printf(bio_s_out, "PSK client identity found\n");
155 /* convert the PSK key to binary */
156 key = OPENSSL_hexstr2buf(psk_key, &key_len);
158 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
162 if (key_len > (int)max_psk_len) {
164 "psk buffer of callback is too small (%d) for key (%ld)\n",
165 max_psk_len, key_len);
170 memcpy(psk, key, key_len);
174 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
178 BIO_printf(bio_err, "Error in PSK server callback\n");
179 (void)BIO_flush(bio_err);
180 (void)BIO_flush(bio_s_out);
185 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
186 size_t identity_len, SSL_SESSION **sess)
188 SSL_SESSION *tmpsess = NULL;
191 const SSL_CIPHER *cipher = NULL;
193 if (strlen(psk_identity) != identity_len
194 || memcmp(psk_identity, identity, identity_len) != 0) {
199 if (psksess != NULL) {
200 SSL_SESSION_up_ref(psksess);
205 key = OPENSSL_hexstr2buf(psk_key, &key_len);
207 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
212 /* We default to SHA256 */
213 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
214 if (cipher == NULL) {
215 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
220 tmpsess = SSL_SESSION_new();
222 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
223 || !SSL_SESSION_set_cipher(tmpsess, cipher)
224 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
234 #ifndef OPENSSL_NO_SRP
235 /* This is a context that we pass to callbacks */
236 typedef struct srpsrvparm_st {
241 static srpsrvparm srp_callback_parm;
244 * This callback pretends to require some asynchronous logic in order to
245 * obtain a verifier. When the callback is called for a new connection we
246 * return with a negative value. This will provoke the accept etc to return
247 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
248 * (which would normally occur after a worker has finished) and we set the
251 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
253 srpsrvparm *p = (srpsrvparm *) arg;
254 int ret = SSL3_AL_FATAL;
256 if (p->login == NULL && p->user == NULL) {
257 p->login = SSL_get_srp_username(s);
258 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
262 if (p->user == NULL) {
263 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
267 if (SSL_set_srp_server_param
268 (s, p->user->N, p->user->g, p->user->s, p->user->v,
269 p->user->info) < 0) {
270 *ad = SSL_AD_INTERNAL_ERROR;
274 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
275 p->login, p->user->info);
276 ret = SSL_ERROR_NONE;
279 SRP_user_pwd_free(p->user);
287 static int local_argc = 0;
288 static char **local_argv;
290 #ifdef CHARSET_EBCDIC
291 static int ebcdic_new(BIO *bi);
292 static int ebcdic_free(BIO *a);
293 static int ebcdic_read(BIO *b, char *out, int outl);
294 static int ebcdic_write(BIO *b, const char *in, int inl);
295 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
296 static int ebcdic_gets(BIO *bp, char *buf, int size);
297 static int ebcdic_puts(BIO *bp, const char *str);
299 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
300 static BIO_METHOD *methods_ebcdic = NULL;
302 /* This struct is "unwarranted chumminess with the compiler." */
308 static const BIO_METHOD *BIO_f_ebcdic_filter()
310 if (methods_ebcdic == NULL) {
311 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
312 "EBCDIC/ASCII filter");
313 if (methods_ebcdic == NULL
314 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
315 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
316 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
317 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
318 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
319 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
320 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
323 return methods_ebcdic;
326 static int ebcdic_new(BIO *bi)
328 EBCDIC_OUTBUFF *wbuf;
330 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
331 wbuf->alloced = 1024;
332 wbuf->buff[0] = '\0';
334 BIO_set_data(bi, wbuf);
339 static int ebcdic_free(BIO *a)
341 EBCDIC_OUTBUFF *wbuf;
345 wbuf = BIO_get_data(a);
347 BIO_set_data(a, NULL);
353 static int ebcdic_read(BIO *b, char *out, int outl)
356 BIO *next = BIO_next(b);
358 if (out == NULL || outl == 0)
363 ret = BIO_read(next, out, outl);
365 ascii2ebcdic(out, out, ret);
369 static int ebcdic_write(BIO *b, const char *in, int inl)
371 EBCDIC_OUTBUFF *wbuf;
372 BIO *next = BIO_next(b);
376 if ((in == NULL) || (inl <= 0))
381 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
383 if (inl > (num = wbuf->alloced)) {
384 num = num + num; /* double the size */
388 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
391 wbuf->buff[0] = '\0';
393 BIO_set_data(b, wbuf);
396 ebcdic2ascii(wbuf->buff, in, inl);
398 ret = BIO_write(next, wbuf->buff, inl);
403 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
406 BIO *next = BIO_next(b);
415 ret = BIO_ctrl(next, cmd, num, ptr);
421 static int ebcdic_gets(BIO *bp, char *buf, int size)
424 BIO *next = BIO_next(bp);
428 /* return(BIO_gets(bp->next_bio,buf,size));*/
429 for (i = 0; i < size - 1; ++i) {
430 ret = ebcdic_read(bp, &buf[i], 1);
433 else if (buf[i] == '\n') {
440 return (ret < 0 && i == 0) ? ret : i;
443 static int ebcdic_puts(BIO *bp, const char *str)
445 if (BIO_next(bp) == NULL)
447 return ebcdic_write(bp, str, strlen(str));
451 /* This is a context that we pass to callbacks */
452 typedef struct tlsextctx_st {
458 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
460 tlsextctx *p = (tlsextctx *) arg;
461 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
463 if (servername != NULL && p->biodebug != NULL) {
464 const char *cp = servername;
467 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
468 while ((uc = *cp++) != 0)
469 BIO_printf(p->biodebug,
470 (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
471 BIO_printf(p->biodebug, "\"\n");
474 if (p->servername == NULL)
475 return SSL_TLSEXT_ERR_NOACK;
477 if (servername != NULL) {
478 if (strcasecmp(servername, p->servername))
479 return p->extension_error;
481 BIO_printf(p->biodebug, "Switching server context.\n");
482 SSL_set_SSL_CTX(s, ctx2);
485 return SSL_TLSEXT_ERR_OK;
488 /* Structure passed to cert status callback */
489 typedef struct tlsextstatusctx_st {
491 /* File to load OCSP Response from (or NULL if no file) */
493 /* Default responder to use */
494 char *host, *path, *port;
499 static tlsextstatusctx tlscstatp = { -1 };
501 #ifndef OPENSSL_NO_OCSP
504 * Helper function to get an OCSP_RESPONSE from a responder. This is a
505 * simplified version. It examines certificates each time and makes one OCSP
506 * responder query for each request. A full version would store details such as
507 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
508 * them until they were considered "expired".
510 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
511 OCSP_RESPONSE **resp)
513 char *host = NULL, *port = NULL, *path = NULL;
515 STACK_OF(OPENSSL_STRING) *aia = NULL;
517 X509_STORE_CTX *inctx = NULL;
519 OCSP_REQUEST *req = NULL;
520 OCSP_CERTID *id = NULL;
521 STACK_OF(X509_EXTENSION) *exts;
522 int ret = SSL_TLSEXT_ERR_NOACK;
525 /* Build up OCSP query from server certificate */
526 x = SSL_get_certificate(s);
527 aia = X509_get1_ocsp(x);
529 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
530 &host, &port, &path, &use_ssl)) {
531 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
535 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
536 sk_OPENSSL_STRING_value(aia, 0));
538 if (srctx->host == NULL) {
540 "cert_status: no AIA and no default responder URL\n");
546 use_ssl = srctx->use_ssl;
549 inctx = X509_STORE_CTX_new();
552 if (!X509_STORE_CTX_init(inctx,
553 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
556 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
557 X509_get_issuer_name(x));
559 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
562 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
563 X509_OBJECT_free(obj);
566 req = OCSP_REQUEST_new();
569 if (!OCSP_request_add0_id(req, id))
572 /* Add any extensions to the request */
573 SSL_get_tlsext_status_exts(s, &exts);
574 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
575 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
576 if (!OCSP_REQUEST_add_ext(req, ext, -1))
579 *resp = process_responder(req, host, path, port, use_ssl, NULL,
582 BIO_puts(bio_err, "cert_status: error querying responder\n");
586 ret = SSL_TLSEXT_ERR_OK;
590 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
593 * If we parsed aia we need to free; otherwise they were copied and we
600 X509_email_free(aia);
602 OCSP_CERTID_free(id);
603 OCSP_REQUEST_free(req);
604 X509_STORE_CTX_free(inctx);
609 * Certificate Status callback. This is called when a client includes a
610 * certificate status request extension. The response is either obtained from a
611 * file, or from an OCSP responder.
613 static int cert_status_cb(SSL *s, void *arg)
615 tlsextstatusctx *srctx = arg;
616 OCSP_RESPONSE *resp = NULL;
617 unsigned char *rspder = NULL;
619 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
622 BIO_puts(bio_err, "cert_status: callback called\n");
624 if (srctx->respin != NULL) {
625 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
626 if (derbio == NULL) {
627 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
630 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
633 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
637 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
638 if (ret != SSL_TLSEXT_ERR_OK)
642 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
646 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
647 if (srctx->verbose) {
648 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
649 OCSP_RESPONSE_print(bio_err, resp, 2);
652 ret = SSL_TLSEXT_ERR_OK;
655 if (ret != SSL_TLSEXT_ERR_OK)
656 ERR_print_errors(bio_err);
658 OCSP_RESPONSE_free(resp);
664 #ifndef OPENSSL_NO_NEXTPROTONEG
665 /* This is the context that we pass to next_proto_cb */
666 typedef struct tlsextnextprotoctx_st {
669 } tlsextnextprotoctx;
671 static int next_proto_cb(SSL *s, const unsigned char **data,
672 unsigned int *len, void *arg)
674 tlsextnextprotoctx *next_proto = arg;
676 *data = next_proto->data;
677 *len = next_proto->len;
679 return SSL_TLSEXT_ERR_OK;
681 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
683 /* This the context that we pass to alpn_cb */
684 typedef struct tlsextalpnctx_st {
689 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
690 const unsigned char *in, unsigned int inlen, void *arg)
692 tlsextalpnctx *alpn_ctx = arg;
695 /* We can assume that |in| is syntactically valid. */
697 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
698 for (i = 0; i < inlen;) {
700 BIO_write(bio_s_out, ", ", 2);
701 BIO_write(bio_s_out, &in[i + 1], in[i]);
704 BIO_write(bio_s_out, "\n", 1);
707 if (SSL_select_next_proto
708 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
709 inlen) != OPENSSL_NPN_NEGOTIATED) {
710 return SSL_TLSEXT_ERR_NOACK;
714 BIO_printf(bio_s_out, "ALPN protocols selected: ");
715 BIO_write(bio_s_out, *out, *outlen);
716 BIO_write(bio_s_out, "\n", 1);
719 return SSL_TLSEXT_ERR_OK;
722 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
724 /* disable resumption for sessions with forward secure ciphers */
725 return is_forward_secure;
728 typedef enum OPTION_choice {
729 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
730 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
731 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
732 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
733 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
734 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
735 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
736 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
737 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
739 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
740 OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
741 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
742 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
743 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
744 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
745 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
746 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
747 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
748 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
749 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
750 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
751 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
752 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
753 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
754 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
755 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
756 OPT_HTTP_SERVER_BINMODE,
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 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
813 {"no-CAfile", OPT_NOCAFILE, '-',
814 "Do not load the default certificates file"},
815 {"no-CApath", OPT_NOCAPATH, '-',
816 "Do not load certificates from the default certificates directory"},
817 {"no-CAstore", OPT_NOCASTORE, '-',
818 "Do not load certificates from the default certificates store URI"},
819 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
820 {"quiet", OPT_QUIET, '-', "No server output"},
821 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
822 "Disable caching and tickets if ephemeral (EC)DH is used"},
823 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
824 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
825 {"servername", OPT_SERVERNAME, 's',
826 "Servername for HostName TLS extension"},
827 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
828 "mismatch send fatal alert (default warning alert)"},
829 {"cert2", OPT_CERT2, '<',
830 "Certificate file to use for servername; default is" TEST_CERT2},
831 {"key2", OPT_KEY2, '<',
832 "-Private Key file to use for servername if not in -cert2"},
833 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
834 "Hex dump of all TLS extensions received"},
835 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
836 {"id_prefix", OPT_ID_PREFIX, 's',
837 "Generate SSL/TLS session IDs prefixed by arg"},
839 {"keymatexport", OPT_KEYMATEXPORT, 's',
840 "Export keying material using label"},
841 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
842 "Export len bytes of keying material (default 20)"},
843 {"CRL", OPT_CRL, '<', "CRL file to use"},
844 {"crl_download", OPT_CRL_DOWNLOAD, '-',
845 "Download CRL from distribution points"},
846 {"cert_chain", OPT_CERT_CHAIN, '<',
847 "certificate chain file in PEM format"},
848 {"dcert_chain", OPT_DCERT_CHAIN, '<',
849 "second certificate chain file in PEM format"},
850 {"chainCApath", OPT_CHAINCAPATH, '/',
851 "use dir as certificate store path to build CA certificate chain"},
852 {"chainCAstore", OPT_CHAINCASTORE, ':',
853 "use URI as certificate store to build CA certificate chain"},
854 {"verifyCApath", OPT_VERIFYCAPATH, '/',
855 "use dir as certificate store path to verify CA certificate"},
856 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
857 "use URI as certificate store to verify CA certificate"},
858 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
859 {"ext_cache", OPT_EXT_CACHE, '-',
860 "Disable internal cache, setup and use external cache"},
861 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
862 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
863 "Close connection on verification error"},
864 {"verify_quiet", OPT_VERIFY_QUIET, '-',
865 "No verify output except verify errors"},
866 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
867 {"chainCAfile", OPT_CHAINCAFILE, '<',
868 "CA file for certificate chain (PEM format)"},
869 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
870 "CA file for certificate verification (PEM format)"},
871 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
872 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
873 #ifndef OPENSSL_NO_OCSP
874 {"status", OPT_STATUS, '-', "Request certificate status from server"},
875 {"status_verbose", OPT_STATUS_VERBOSE, '-',
876 "Print more output in certificate status callback"},
877 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
878 "Status request responder timeout"},
879 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
880 {"status_file", OPT_STATUS_FILE, '<',
881 "File containing DER encoded OCSP Response"},
883 #ifndef OPENSSL_NO_SSL_TRACE
884 {"trace", OPT_TRACE, '-', "trace protocol messages"},
886 {"security_debug", OPT_SECURITY_DEBUG, '-',
887 "Print output from SSL/TLS security framework"},
888 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
889 "Print more output from SSL/TLS security framework"},
890 {"brief", OPT_BRIEF, '-',
891 "Restrict output to brief summary of connection parameters"},
892 {"rev", OPT_REV, '-',
893 "act as a simple test server which just sends back with the received text reversed"},
894 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
895 {"ssl_config", OPT_SSL_CONFIG, 's',
896 "Configure SSL_CTX using the configuration 'val'"},
897 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
898 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
899 "Size used to split data for encrypt pipelines"},
900 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
901 "Maximum number of encrypt/decrypt pipelines to be used"},
902 {"read_buf", OPT_READ_BUF, 'p',
903 "Default read buffer size to be used for connections"},
907 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
908 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
909 #ifndef OPENSSL_NO_PSK
910 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
912 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
913 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
914 #ifndef OPENSSL_NO_SRP
915 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
916 {"srpuserseed", OPT_SRPUSERSEED, 's',
917 "A seed string for a default user salt"},
919 #ifndef OPENSSL_NO_SSL3
920 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
922 #ifndef OPENSSL_NO_TLS1
923 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
925 #ifndef OPENSSL_NO_TLS1_1
926 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
928 #ifndef OPENSSL_NO_TLS1_2
929 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
931 #ifndef OPENSSL_NO_TLS1_3
932 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
934 #ifndef OPENSSL_NO_DTLS
935 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
936 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
937 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
938 {"listen", OPT_LISTEN, '-',
939 "Listen for a DTLS ClientHello with a cookie and then connect"},
941 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
942 #ifndef OPENSSL_NO_DTLS1
943 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
945 #ifndef OPENSSL_NO_DTLS1_2
946 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
948 #ifndef OPENSSL_NO_SCTP
949 {"sctp", OPT_SCTP, '-', "Use SCTP"},
950 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
952 #ifndef OPENSSL_NO_DH
953 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
955 #ifndef OPENSSL_NO_NEXTPROTONEG
956 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
957 "Set the advertised protocols for the NPN extension (comma-separated list)"},
959 #ifndef OPENSSL_NO_SRTP
960 {"use_srtp", OPT_SRTP_PROFILES, 's',
961 "Offer SRTP key management with a colon-separated profile list"},
963 {"alpn", OPT_ALPN, 's',
964 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
965 #ifndef OPENSSL_NO_ENGINE
966 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
968 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
969 {"max_early_data", OPT_MAX_EARLY, 'n',
970 "The maximum number of bytes of early data as advertised in tickets"},
971 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
972 "The maximum number of bytes of early data (hard limit)"},
973 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
974 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
975 "The number of TLSv1.3 session tickets that a server will automatically issue" },
976 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
977 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
978 {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
979 {NULL, OPT_EOF, 0, NULL}
982 #define IS_PROT_FLAG(o) \
983 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
984 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
986 int s_server_main(int argc, char *argv[])
988 ENGINE *engine = NULL;
989 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
990 SSL_CONF_CTX *cctx = NULL;
991 const SSL_METHOD *meth = TLS_server_method();
992 SSL_EXCERT *exc = NULL;
993 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
994 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
995 STACK_OF(X509_CRL) *crls = NULL;
996 X509 *s_cert = NULL, *s_dcert = NULL;
997 X509_VERIFY_PARAM *vpm = NULL;
998 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
999 const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL;
1000 char *dpassarg = NULL, *dpass = NULL;
1001 char *passarg = NULL, *pass = NULL;
1002 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
1003 char *crl_file = NULL, *prog;
1005 int unlink_unix_path = 0;
1007 do_server_cb server_cb;
1008 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
1009 #ifndef OPENSSL_NO_DH
1010 char *dhfile = NULL;
1013 int nocert = 0, ret = 1;
1014 int noCApath = 0, noCAfile = 0, noCAstore = 0;
1015 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1016 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1017 int rev = 0, naccept = -1, sdebug = 0;
1018 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1019 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1021 char *port = OPENSSL_strdup(PORT);
1022 unsigned char *context = NULL;
1024 EVP_PKEY *s_key2 = NULL;
1025 X509 *s_cert2 = NULL;
1026 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1027 const char *ssl_config = NULL;
1028 int read_buf_len = 0;
1029 #ifndef OPENSSL_NO_NEXTPROTONEG
1030 const char *next_proto_neg_in = NULL;
1031 tlsextnextprotoctx next_proto = { NULL, 0 };
1033 const char *alpn_in = NULL;
1034 tlsextalpnctx alpn_ctx = { NULL, 0 };
1035 #ifndef OPENSSL_NO_PSK
1036 /* by default do not send a PSK identity hint */
1037 char *psk_identity_hint = NULL;
1040 #ifndef OPENSSL_NO_SRP
1041 char *srpuserseed = NULL;
1042 char *srp_verifier_file = NULL;
1044 #ifndef OPENSSL_NO_SRTP
1045 char *srtp_profiles = NULL;
1047 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1048 int s_server_verify = SSL_VERIFY_NONE;
1049 int s_server_session_id_context = 1; /* anything will do */
1050 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1051 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1052 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1053 #ifndef OPENSSL_NO_OCSP
1054 int s_tlsextstatus = 0;
1056 int no_resume_ephemeral = 0;
1057 unsigned int max_send_fragment = 0;
1058 unsigned int split_send_fragment = 0, max_pipelines = 0;
1059 const char *s_serverinfo_file = NULL;
1060 const char *keylog_file = NULL;
1061 int max_early_data = -1, recv_max_early_data = -1;
1062 char *psksessf = NULL;
1063 #ifndef OPENSSL_NO_SCTP
1064 int sctp_label_bug = 0;
1067 /* Init of few remaining global variables */
1072 s_nbio = s_nbio_test = 0;
1081 cctx = SSL_CONF_CTX_new();
1082 vpm = X509_VERIFY_PARAM_new();
1083 if (cctx == NULL || vpm == NULL)
1085 SSL_CONF_CTX_set_flags(cctx,
1086 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1088 prog = opt_init(argc, argv, s_server_options);
1089 while ((o = opt_next()) != OPT_EOF) {
1090 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1091 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1094 if (IS_NO_PROT_FLAG(o))
1096 if (prot_opt == 1 && no_prot_opt) {
1098 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1105 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1108 opt_help(s_server_options);
1114 if (socket_family == AF_UNIX) {
1115 OPENSSL_free(host); host = NULL;
1116 OPENSSL_free(port); port = NULL;
1119 socket_family = AF_INET;
1125 if (socket_family == AF_UNIX) {
1126 OPENSSL_free(host); host = NULL;
1127 OPENSSL_free(port); port = NULL;
1130 socket_family = AF_INET6;
1133 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1139 if (socket_family == AF_UNIX) {
1140 socket_family = AF_UNSPEC;
1143 OPENSSL_free(port); port = NULL;
1144 OPENSSL_free(host); host = NULL;
1145 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1147 "%s: -port argument malformed or ambiguous\n",
1154 if (socket_family == AF_UNIX) {
1155 socket_family = AF_UNSPEC;
1158 OPENSSL_free(port); port = NULL;
1159 OPENSSL_free(host); host = NULL;
1160 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1162 "%s: -accept argument malformed or ambiguous\n",
1169 socket_family = AF_UNIX;
1170 OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
1171 OPENSSL_free(port); port = NULL;
1174 unlink_unix_path = 1;
1178 naccept = atol(opt_arg());
1181 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1182 verify_args.depth = atoi(opt_arg());
1184 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1186 case OPT_UPPER_V_VERIFY:
1188 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1189 SSL_VERIFY_CLIENT_ONCE;
1190 verify_args.depth = atoi(opt_arg());
1193 "verify depth is %d, must return a certificate\n",
1197 context = (unsigned char *)opt_arg();
1200 s_cert_file = opt_arg();
1203 if (!set_nameopt(opt_arg()))
1207 crl_file = opt_arg();
1209 case OPT_CRL_DOWNLOAD:
1212 case OPT_SERVERINFO:
1213 s_serverinfo_file = opt_arg();
1216 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1220 s_key_file = opt_arg();
1223 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1227 passarg = opt_arg();
1229 case OPT_CERT_CHAIN:
1230 s_chain_file = opt_arg();
1233 #ifndef OPENSSL_NO_DH
1238 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1242 s_dcert_file = opt_arg();
1245 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1249 dpassarg = opt_arg();
1252 s_dkey_file = opt_arg();
1254 case OPT_DCERT_CHAIN:
1255 s_dchain_file = opt_arg();
1266 case OPT_CHAINCAPATH:
1267 chCApath = opt_arg();
1269 case OPT_VERIFYCAPATH:
1270 vfyCApath = opt_arg();
1273 CAstore = opt_arg();
1278 case OPT_CHAINCASTORE:
1279 chCAstore = opt_arg();
1281 case OPT_VERIFYCASTORE:
1282 vfyCAstore = opt_arg();
1291 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1295 case OPT_S_NUM_TICKETS:
1296 case OPT_ANTI_REPLAY:
1297 case OPT_NO_ANTI_REPLAY:
1298 if (ssl_args == NULL)
1299 ssl_args = sk_OPENSSL_STRING_new_null();
1300 if (ssl_args == NULL
1301 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1302 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1303 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1308 if (!opt_verify(o, vpm))
1313 if (!args_excert(o, &exc))
1316 case OPT_VERIFY_RET_ERROR:
1317 verify_args.return_error = 1;
1319 case OPT_VERIFY_QUIET:
1320 verify_args.quiet = 1;
1322 case OPT_BUILD_CHAIN:
1331 case OPT_CHAINCAFILE:
1332 chCAfile = opt_arg();
1334 case OPT_VERIFYCAFILE:
1335 vfyCAfile = opt_arg();
1341 s_nbio = s_nbio_test = 1;
1346 case OPT_NO_IGN_EOF:
1352 case OPT_TLSEXTDEBUG:
1356 #ifndef OPENSSL_NO_OCSP
1360 case OPT_STATUS_VERBOSE:
1361 #ifndef OPENSSL_NO_OCSP
1362 s_tlsextstatus = tlscstatp.verbose = 1;
1365 case OPT_STATUS_TIMEOUT:
1366 #ifndef OPENSSL_NO_OCSP
1368 tlscstatp.timeout = atoi(opt_arg());
1371 case OPT_STATUS_URL:
1372 #ifndef OPENSSL_NO_OCSP
1374 if (!OCSP_parse_url(opt_arg(),
1377 &tlscstatp.path, &tlscstatp.use_ssl)) {
1378 BIO_printf(bio_err, "Error parsing URL\n");
1383 case OPT_STATUS_FILE:
1384 #ifndef OPENSSL_NO_OCSP
1386 tlscstatp.respin = opt_arg();
1393 bio_s_msg = BIO_new_file(opt_arg(), "w");
1396 #ifndef OPENSSL_NO_SSL_TRACE
1400 case OPT_SECURITY_DEBUG:
1403 case OPT_SECURITY_DEBUG_VERBOSE:
1416 s_quiet = s_brief = verify_args.quiet = 1;
1419 #ifndef OPENSSL_NO_DH
1423 case OPT_NO_RESUME_EPHEMERAL:
1424 no_resume_ephemeral = 1;
1426 case OPT_PSK_IDENTITY:
1427 psk_identity = opt_arg();
1430 #ifndef OPENSSL_NO_PSK
1431 psk_identity_hint = opt_arg();
1435 for (p = psk_key = opt_arg(); *p; p++) {
1436 if (isxdigit(_UC(*p)))
1438 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1443 psksessf = opt_arg();
1446 #ifndef OPENSSL_NO_SRP
1447 srp_verifier_file = opt_arg();
1448 if (min_version < TLS1_VERSION)
1449 min_version = TLS1_VERSION;
1452 case OPT_SRPUSERSEED:
1453 #ifndef OPENSSL_NO_SRP
1454 srpuserseed = opt_arg();
1455 if (min_version < TLS1_VERSION)
1456 min_version = TLS1_VERSION;
1471 case OPT_SSL_CONFIG:
1472 ssl_config = opt_arg();
1475 min_version = SSL3_VERSION;
1476 max_version = SSL3_VERSION;
1479 min_version = TLS1_3_VERSION;
1480 max_version = TLS1_3_VERSION;
1483 min_version = TLS1_2_VERSION;
1484 max_version = TLS1_2_VERSION;
1487 min_version = TLS1_1_VERSION;
1488 max_version = TLS1_1_VERSION;
1491 min_version = TLS1_VERSION;
1492 max_version = TLS1_VERSION;
1495 #ifndef OPENSSL_NO_DTLS
1496 meth = DTLS_server_method();
1497 socket_type = SOCK_DGRAM;
1501 #ifndef OPENSSL_NO_DTLS
1502 meth = DTLS_server_method();
1503 min_version = DTLS1_VERSION;
1504 max_version = DTLS1_VERSION;
1505 socket_type = SOCK_DGRAM;
1509 #ifndef OPENSSL_NO_DTLS
1510 meth = DTLS_server_method();
1511 min_version = DTLS1_2_VERSION;
1512 max_version = DTLS1_2_VERSION;
1513 socket_type = SOCK_DGRAM;
1517 #ifndef OPENSSL_NO_SCTP
1518 protocol = IPPROTO_SCTP;
1521 case OPT_SCTP_LABEL_BUG:
1522 #ifndef OPENSSL_NO_SCTP
1527 #ifndef OPENSSL_NO_DTLS
1528 enable_timeouts = 1;
1532 #ifndef OPENSSL_NO_DTLS
1533 socket_mtu = atol(opt_arg());
1537 #ifndef OPENSSL_NO_DTLS
1545 session_id_prefix = opt_arg();
1548 engine = setup_engine(opt_arg(), 1);
1554 case OPT_SERVERNAME:
1555 tlsextcbp.servername = opt_arg();
1557 case OPT_SERVERNAME_FATAL:
1558 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1561 s_cert_file2 = opt_arg();
1564 s_key_file2 = opt_arg();
1566 case OPT_NEXTPROTONEG:
1567 # ifndef OPENSSL_NO_NEXTPROTONEG
1568 next_proto_neg_in = opt_arg();
1572 alpn_in = opt_arg();
1574 case OPT_SRTP_PROFILES:
1575 #ifndef OPENSSL_NO_SRTP
1576 srtp_profiles = opt_arg();
1579 case OPT_KEYMATEXPORT:
1580 keymatexportlabel = opt_arg();
1582 case OPT_KEYMATEXPORTLEN:
1583 keymatexportlen = atoi(opt_arg());
1588 case OPT_MAX_SEND_FRAG:
1589 max_send_fragment = atoi(opt_arg());
1591 case OPT_SPLIT_SEND_FRAG:
1592 split_send_fragment = atoi(opt_arg());
1594 case OPT_MAX_PIPELINES:
1595 max_pipelines = atoi(opt_arg());
1598 read_buf_len = atoi(opt_arg());
1600 case OPT_KEYLOG_FILE:
1601 keylog_file = opt_arg();
1604 max_early_data = atoi(opt_arg());
1605 if (max_early_data < 0) {
1606 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1610 case OPT_RECV_MAX_EARLY:
1611 recv_max_early_data = atoi(opt_arg());
1612 if (recv_max_early_data < 0) {
1613 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1617 case OPT_EARLY_DATA:
1619 if (max_early_data == -1)
1620 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1622 case OPT_HTTP_SERVER_BINMODE:
1623 http_server_binmode = 1;
1627 argc = opt_num_rest();
1630 #ifndef OPENSSL_NO_NEXTPROTONEG
1631 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1632 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1636 #ifndef OPENSSL_NO_DTLS
1637 if (www && socket_type == SOCK_DGRAM) {
1638 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1642 if (dtlslisten && socket_type != SOCK_DGRAM) {
1643 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1648 if (stateless && socket_type != SOCK_STREAM) {
1649 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1654 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1656 "Can't use unix sockets and datagrams together\n");
1660 if (early_data && (www > 0 || rev)) {
1662 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1666 #ifndef OPENSSL_NO_SCTP
1667 if (protocol == IPPROTO_SCTP) {
1668 if (socket_type != SOCK_DGRAM) {
1669 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1672 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1673 socket_type = SOCK_STREAM;
1677 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1678 BIO_printf(bio_err, "Error getting password\n");
1682 if (s_key_file == NULL)
1683 s_key_file = s_cert_file;
1685 if (s_key_file2 == NULL)
1686 s_key_file2 = s_cert_file2;
1688 if (!load_excert(&exc))
1692 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1693 "server certificate private key file");
1694 if (s_key == NULL) {
1695 ERR_print_errors(bio_err);
1699 s_cert = load_cert(s_cert_file, s_cert_format,
1700 "server certificate file");
1702 if (s_cert == NULL) {
1703 ERR_print_errors(bio_err);
1706 if (s_chain_file != NULL) {
1707 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1708 "server certificate chain"))
1712 if (tlsextcbp.servername != NULL) {
1713 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1714 "second server certificate private key file");
1715 if (s_key2 == NULL) {
1716 ERR_print_errors(bio_err);
1720 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1721 "second server certificate file");
1723 if (s_cert2 == NULL) {
1724 ERR_print_errors(bio_err);
1729 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1730 if (next_proto_neg_in) {
1731 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1732 if (next_proto.data == NULL)
1736 alpn_ctx.data = NULL;
1738 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1739 if (alpn_ctx.data == NULL)
1743 if (crl_file != NULL) {
1745 crl = load_crl(crl_file, crl_format);
1747 BIO_puts(bio_err, "Error loading CRL\n");
1748 ERR_print_errors(bio_err);
1751 crls = sk_X509_CRL_new_null();
1752 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1753 BIO_puts(bio_err, "Error adding CRL\n");
1754 ERR_print_errors(bio_err);
1760 if (s_dcert_file != NULL) {
1762 if (s_dkey_file == NULL)
1763 s_dkey_file = s_dcert_file;
1765 s_dkey = load_key(s_dkey_file, s_dkey_format,
1766 0, dpass, engine, "second certificate private key file");
1767 if (s_dkey == NULL) {
1768 ERR_print_errors(bio_err);
1772 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1773 "second server certificate file");
1775 if (s_dcert == NULL) {
1776 ERR_print_errors(bio_err);
1779 if (s_dchain_file != NULL) {
1780 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1781 "second server certificate chain"))
1787 if (bio_s_out == NULL) {
1788 if (s_quiet && !s_debug) {
1789 bio_s_out = BIO_new(BIO_s_null());
1790 if (s_msg && bio_s_msg == NULL)
1791 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1793 if (bio_s_out == NULL)
1794 bio_s_out = dup_bio_out(FORMAT_TEXT);
1797 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1803 s_dcert_file = NULL;
1805 s_cert_file2 = NULL;
1809 ctx = SSL_CTX_new(meth);
1811 ERR_print_errors(bio_err);
1815 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1818 ssl_ctx_security_debug(ctx, sdebug);
1820 if (!config_ctx(cctx, ssl_args, ctx))
1824 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1825 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1827 ERR_print_errors(bio_err);
1832 #ifndef OPENSSL_NO_SCTP
1833 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1834 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1837 if (min_version != 0
1838 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1840 if (max_version != 0
1841 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1844 if (session_id_prefix) {
1845 if (strlen(session_id_prefix) >= 32)
1847 "warning: id_prefix is too long, only one new session will be possible\n");
1848 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1849 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1850 ERR_print_errors(bio_err);
1853 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1855 SSL_CTX_set_quiet_shutdown(ctx, 1);
1857 ssl_ctx_set_excert(ctx, exc);
1860 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1862 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1864 init_session_cache_ctx(ctx);
1866 SSL_CTX_sess_set_cache_size(ctx, 128);
1869 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1872 if (max_send_fragment > 0
1873 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1874 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1875 prog, max_send_fragment);
1879 if (split_send_fragment > 0
1880 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1881 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1882 prog, split_send_fragment);
1885 if (max_pipelines > 0
1886 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1887 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1888 prog, max_pipelines);
1892 if (read_buf_len > 0) {
1893 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1895 #ifndef OPENSSL_NO_SRTP
1896 if (srtp_profiles != NULL) {
1897 /* Returns 0 on success! */
1898 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1899 BIO_printf(bio_err, "Error setting SRTP profile\n");
1900 ERR_print_errors(bio_err);
1906 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1907 CAstore, noCAstore)) {
1908 ERR_print_errors(bio_err);
1911 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1912 BIO_printf(bio_err, "Error setting verify params\n");
1913 ERR_print_errors(bio_err);
1917 ssl_ctx_add_crls(ctx, crls, 0);
1919 if (!ssl_load_stores(ctx,
1920 vfyCApath, vfyCAfile, vfyCAstore,
1921 chCApath, chCAfile, chCAstore,
1922 crls, crl_download)) {
1923 BIO_printf(bio_err, "Error loading store locations\n");
1924 ERR_print_errors(bio_err);
1929 ctx2 = SSL_CTX_new(meth);
1931 ERR_print_errors(bio_err);
1937 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1940 ssl_ctx_security_debug(ctx, sdebug);
1942 if (session_id_prefix) {
1943 if (strlen(session_id_prefix) >= 32)
1945 "warning: id_prefix is too long, only one new session will be possible\n");
1946 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1947 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1948 ERR_print_errors(bio_err);
1951 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1953 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1955 ssl_ctx_set_excert(ctx2, exc);
1958 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1961 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1963 init_session_cache_ctx(ctx2);
1965 SSL_CTX_sess_set_cache_size(ctx2, 128);
1968 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1970 if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath,
1971 noCApath, CAstore, noCAstore)) {
1972 ERR_print_errors(bio_err);
1975 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1976 BIO_printf(bio_err, "Error setting verify params\n");
1977 ERR_print_errors(bio_err);
1981 ssl_ctx_add_crls(ctx2, crls, 0);
1982 if (!config_ctx(cctx, ssl_args, ctx2))
1985 #ifndef OPENSSL_NO_NEXTPROTONEG
1986 if (next_proto.data)
1987 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1991 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1993 #ifndef OPENSSL_NO_DH
1998 dh = load_dh_param(dhfile);
1999 else if (s_cert_file != NULL)
2000 dh = load_dh_param(s_cert_file);
2003 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2005 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
2007 (void)BIO_flush(bio_s_out);
2010 SSL_CTX_set_dh_auto(ctx, 1);
2011 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
2012 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2013 ERR_print_errors(bio_err);
2020 DH *dh2 = load_dh_param(s_cert_file2);
2022 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2023 (void)BIO_flush(bio_s_out);
2030 SSL_CTX_set_dh_auto(ctx2, 1);
2031 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
2032 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2033 ERR_print_errors(bio_err);
2042 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2045 if (s_serverinfo_file != NULL
2046 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2047 ERR_print_errors(bio_err);
2052 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
2055 if (s_dcert != NULL) {
2056 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2060 if (no_resume_ephemeral) {
2061 SSL_CTX_set_not_resumable_session_callback(ctx,
2062 not_resumable_sess_cb);
2065 SSL_CTX_set_not_resumable_session_callback(ctx2,
2066 not_resumable_sess_cb);
2068 #ifndef OPENSSL_NO_PSK
2069 if (psk_key != NULL) {
2071 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2072 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2075 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2076 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2077 ERR_print_errors(bio_err);
2081 if (psksessf != NULL) {
2082 BIO *stmp = BIO_new_file(psksessf, "r");
2085 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2086 ERR_print_errors(bio_err);
2089 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2091 if (psksess == NULL) {
2092 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2093 ERR_print_errors(bio_err);
2099 if (psk_key != NULL || psksess != NULL)
2100 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2102 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2103 if (!SSL_CTX_set_session_id_context(ctx,
2104 (void *)&s_server_session_id_context,
2105 sizeof(s_server_session_id_context))) {
2106 BIO_printf(bio_err, "error setting session id context\n");
2107 ERR_print_errors(bio_err);
2111 /* Set DTLS cookie generation and verification callbacks */
2112 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2113 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2115 /* Set TLS1.3 cookie generation and verification callbacks */
2116 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2117 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2120 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2121 if (!SSL_CTX_set_session_id_context(ctx2,
2122 (void *)&s_server_session_id_context,
2123 sizeof(s_server_session_id_context))) {
2124 BIO_printf(bio_err, "error setting session id context\n");
2125 ERR_print_errors(bio_err);
2128 tlsextcbp.biodebug = bio_s_out;
2129 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2130 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2131 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2132 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2135 #ifndef OPENSSL_NO_SRP
2136 if (srp_verifier_file != NULL) {
2137 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2138 srp_callback_parm.user = NULL;
2139 srp_callback_parm.login = NULL;
2141 SRP_VBASE_init(srp_callback_parm.vb,
2142 srp_verifier_file)) != SRP_NO_ERROR) {
2144 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2145 srp_verifier_file, ret);
2148 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2149 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2150 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2153 if (CAfile != NULL) {
2154 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2157 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2159 #ifndef OPENSSL_NO_OCSP
2160 if (s_tlsextstatus) {
2161 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2162 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2164 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2165 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2169 if (set_keylog_file(ctx, keylog_file))
2172 if (max_early_data >= 0)
2173 SSL_CTX_set_max_early_data(ctx, max_early_data);
2174 if (recv_max_early_data >= 0)
2175 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2178 server_cb = rev_body;
2180 server_cb = www_body;
2182 server_cb = sv_body;
2184 if (socket_family == AF_UNIX
2185 && unlink_unix_path)
2188 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2189 server_cb, context, naccept, bio_s_out);
2190 print_stats(bio_s_out, ctx);
2194 SSL_SESSION_free(psksess);
2195 set_keylog_file(NULL, NULL);
2197 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2199 EVP_PKEY_free(s_key);
2200 EVP_PKEY_free(s_dkey);
2201 sk_X509_pop_free(s_chain, X509_free);
2202 sk_X509_pop_free(s_dchain, X509_free);
2204 OPENSSL_free(dpass);
2207 X509_VERIFY_PARAM_free(vpm);
2209 OPENSSL_free(tlscstatp.host);
2210 OPENSSL_free(tlscstatp.port);
2211 OPENSSL_free(tlscstatp.path);
2214 EVP_PKEY_free(s_key2);
2215 #ifndef OPENSSL_NO_NEXTPROTONEG
2216 OPENSSL_free(next_proto.data);
2218 OPENSSL_free(alpn_ctx.data);
2219 ssl_excert_free(exc);
2220 sk_OPENSSL_STRING_free(ssl_args);
2221 SSL_CONF_CTX_free(cctx);
2222 release_engine(engine);
2223 BIO_free(bio_s_out);
2225 BIO_free(bio_s_msg);
2227 #ifdef CHARSET_EBCDIC
2228 BIO_meth_free(methods_ebcdic);
2233 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2235 BIO_printf(bio, "%4ld items in the session cache\n",
2236 SSL_CTX_sess_number(ssl_ctx));
2237 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2238 SSL_CTX_sess_connect(ssl_ctx));
2239 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2240 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2241 BIO_printf(bio, "%4ld client connects that finished\n",
2242 SSL_CTX_sess_connect_good(ssl_ctx));
2243 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2244 SSL_CTX_sess_accept(ssl_ctx));
2245 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2246 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2247 BIO_printf(bio, "%4ld server accepts that finished\n",
2248 SSL_CTX_sess_accept_good(ssl_ctx));
2249 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2250 BIO_printf(bio, "%4ld session cache misses\n",
2251 SSL_CTX_sess_misses(ssl_ctx));
2252 BIO_printf(bio, "%4ld session cache timeouts\n",
2253 SSL_CTX_sess_timeouts(ssl_ctx));
2254 BIO_printf(bio, "%4ld callback cache hits\n",
2255 SSL_CTX_sess_cb_hits(ssl_ctx));
2256 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2257 SSL_CTX_sess_cache_full(ssl_ctx),
2258 SSL_CTX_sess_get_cache_size(ssl_ctx));
2261 static int sv_body(int s, int stype, int prot, unsigned char *context)
2270 struct timeval timeout;
2271 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2272 struct timeval *timeoutp;
2274 #ifndef OPENSSL_NO_DTLS
2275 # ifndef OPENSSL_NO_SCTP
2276 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2278 int isdtls = (stype == SOCK_DGRAM);
2282 buf = app_malloc(bufsize, "server buffer");
2284 if (!BIO_socket_nbio(s, 1))
2285 ERR_print_errors(bio_err);
2287 BIO_printf(bio_err, "Turned on non blocking io\n");
2296 if (s_tlsextdebug) {
2297 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2298 SSL_set_tlsext_debug_arg(con, bio_s_out);
2302 && !SSL_set_session_id_context(con, context,
2303 strlen((char *)context))) {
2304 BIO_printf(bio_err, "Error setting session id context\n");
2309 if (!SSL_clear(con)) {
2310 BIO_printf(bio_err, "Error clearing SSL connection\n");
2314 #ifndef OPENSSL_NO_DTLS
2316 # ifndef OPENSSL_NO_SCTP
2317 if (prot == IPPROTO_SCTP)
2318 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2321 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2323 if (enable_timeouts) {
2325 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2326 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2329 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2330 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2334 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2335 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2336 DTLS_get_link_min_mtu(con));
2341 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2342 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2343 BIO_printf(bio_err, "Failed to set MTU\n");
2349 /* want to do MTU discovery */
2350 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2352 # ifndef OPENSSL_NO_SCTP
2353 if (prot != IPPROTO_SCTP)
2355 /* Turn on cookie exchange. Not necessary for SCTP */
2356 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2359 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2362 BIO_printf(bio_err, "Unable to create BIO\n");
2363 ERR_print_errors(bio_err);
2370 test = BIO_new(BIO_f_nbio_test());
2371 sbio = BIO_push(test, sbio);
2374 SSL_set_bio(con, sbio, sbio);
2375 SSL_set_accept_state(con);
2376 /* SSL_set_fd(con,s); */
2379 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2380 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2383 #ifndef OPENSSL_NO_SSL_TRACE
2385 SSL_set_msg_callback(con, SSL_trace);
2388 SSL_set_msg_callback(con, msg_cb);
2389 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2392 if (s_tlsextdebug) {
2393 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2394 SSL_set_tlsext_debug_arg(con, bio_s_out);
2398 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2401 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2403 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2404 if (edret != SSL_READ_EARLY_DATA_ERROR)
2407 switch (SSL_get_error(con, 0)) {
2408 case SSL_ERROR_WANT_WRITE:
2409 case SSL_ERROR_WANT_ASYNC:
2410 case SSL_ERROR_WANT_READ:
2411 /* Just keep trying - busy waiting */
2414 BIO_printf(bio_err, "Error reading early data\n");
2415 ERR_print_errors(bio_err);
2419 if (readbytes > 0) {
2421 BIO_printf(bio_s_out, "Early data received:\n");
2424 raw_write_stdout(buf, (unsigned int)readbytes);
2425 (void)BIO_flush(bio_s_out);
2429 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2430 BIO_printf(bio_s_out, "No early data received\n");
2432 BIO_printf(bio_s_out, "Early data was rejected\n");
2434 BIO_printf(bio_s_out, "\nEnd of early data\n");
2436 if (SSL_is_init_finished(con))
2437 print_connection_info(con);
2440 if (fileno_stdin() > s)
2441 width = fileno_stdin() + 1;
2445 int read_from_terminal;
2446 int read_from_sslcon;
2448 read_from_terminal = 0;
2449 read_from_sslcon = SSL_has_pending(con)
2450 || (async && SSL_waiting_for_async(con));
2452 if (!read_from_sslcon) {
2454 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2455 openssl_fdset(fileno_stdin(), &readfds);
2457 openssl_fdset(s, &readfds);
2459 * Note: under VMS with SOCKETSHR the second parameter is
2460 * currently of type (int *) whereas under other systems it is
2461 * (void *) if you don't have a cast it will choke the compiler:
2462 * if you do have a cast then you can either go for (int *) or
2465 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2467 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2468 * only on sockets. As a workaround we timeout the select every
2469 * second and check for any keypress. In a proper Windows
2470 * application we wouldn't do this because it is inefficient.
2473 timeout.tv_usec = 0;
2474 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2475 if (has_stdin_waiting())
2476 read_from_terminal = 1;
2477 if ((i < 0) || (!i && !read_from_terminal))
2480 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2481 timeoutp = &timeout;
2485 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2487 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2488 BIO_printf(bio_err, "TIMEOUT occurred\n");
2492 if (FD_ISSET(fileno_stdin(), &readfds))
2493 read_from_terminal = 1;
2495 if (FD_ISSET(s, &readfds))
2496 read_from_sslcon = 1;
2498 if (read_from_terminal) {
2502 i = raw_read_stdin(buf, bufsize / 2);
2504 /* both loops are skipped when i <= 0 */
2505 for (j = 0; j < i; j++)
2508 for (j = i - 1; j >= 0; j--) {
2509 buf[j + lf_num] = buf[j];
2510 if (buf[j] == '\n') {
2513 buf[j + lf_num] = '\r';
2516 assert(lf_num == 0);
2518 i = raw_read_stdin(buf, bufsize);
2521 if (!s_quiet && !s_brief) {
2522 if ((i <= 0) || (buf[0] == 'Q')) {
2523 BIO_printf(bio_s_out, "DONE\n");
2524 (void)BIO_flush(bio_s_out);
2526 close_accept_socket();
2530 if ((i <= 0) || (buf[0] == 'q')) {
2531 BIO_printf(bio_s_out, "DONE\n");
2532 (void)BIO_flush(bio_s_out);
2533 if (SSL_version(con) != DTLS1_VERSION)
2536 * close_accept_socket(); ret= -11;
2540 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2541 SSL_renegotiate(con);
2542 i = SSL_do_handshake(con);
2543 printf("SSL_do_handshake -> %d\n", i);
2547 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2549 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2551 SSL_renegotiate(con);
2552 i = SSL_do_handshake(con);
2553 printf("SSL_do_handshake -> %d\n", i);
2557 if ((buf[0] == 'K' || buf[0] == 'k')
2558 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2559 SSL_key_update(con, buf[0] == 'K' ?
2560 SSL_KEY_UPDATE_REQUESTED
2561 : SSL_KEY_UPDATE_NOT_REQUESTED);
2562 i = SSL_do_handshake(con);
2563 printf("SSL_do_handshake -> %d\n", i);
2567 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2568 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2569 i = SSL_verify_client_post_handshake(con);
2571 printf("Failed to initiate request\n");
2572 ERR_print_errors(bio_err);
2574 i = SSL_do_handshake(con);
2575 printf("SSL_do_handshake -> %d\n", i);
2580 if (buf[0] == 'P') {
2581 static const char *str = "Lets print some clear text\n";
2582 BIO_write(SSL_get_wbio(con), str, strlen(str));
2584 if (buf[0] == 'S') {
2585 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2588 #ifdef CHARSET_EBCDIC
2589 ebcdic2ascii(buf, buf, i);
2593 /* should do a select for the write */
2596 if (++count == 100) {
2598 SSL_renegotiate(con);
2601 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2602 #ifndef OPENSSL_NO_SRP
2603 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2604 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2605 SRP_user_pwd_free(srp_callback_parm.user);
2606 srp_callback_parm.user =
2607 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2608 srp_callback_parm.login);
2609 if (srp_callback_parm.user)
2610 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2611 srp_callback_parm.user->info);
2613 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2614 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2617 switch (SSL_get_error(con, k)) {
2618 case SSL_ERROR_NONE:
2620 case SSL_ERROR_WANT_ASYNC:
2621 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2622 (void)BIO_flush(bio_s_out);
2623 wait_for_async(con);
2625 case SSL_ERROR_WANT_WRITE:
2626 case SSL_ERROR_WANT_READ:
2627 case SSL_ERROR_WANT_X509_LOOKUP:
2628 BIO_printf(bio_s_out, "Write BLOCK\n");
2629 (void)BIO_flush(bio_s_out);
2631 case SSL_ERROR_WANT_ASYNC_JOB:
2633 * This shouldn't ever happen in s_server. Treat as an error
2635 case SSL_ERROR_SYSCALL:
2637 BIO_printf(bio_s_out, "ERROR\n");
2638 (void)BIO_flush(bio_s_out);
2639 ERR_print_errors(bio_err);
2643 case SSL_ERROR_ZERO_RETURN:
2644 BIO_printf(bio_s_out, "DONE\n");
2645 (void)BIO_flush(bio_s_out);
2657 if (read_from_sslcon) {
2659 * init_ssl_connection handles all async events itself so if we're
2660 * waiting for async then we shouldn't go back into
2661 * init_ssl_connection
2663 if ((!async || !SSL_waiting_for_async(con))
2664 && !SSL_is_init_finished(con)) {
2665 i = init_ssl_connection(con);
2670 } else if (i == 0) {
2676 i = SSL_read(con, (char *)buf, bufsize);
2677 #ifndef OPENSSL_NO_SRP
2678 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2679 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2680 SRP_user_pwd_free(srp_callback_parm.user);
2681 srp_callback_parm.user =
2682 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2683 srp_callback_parm.login);
2684 if (srp_callback_parm.user)
2685 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2686 srp_callback_parm.user->info);
2688 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2689 i = SSL_read(con, (char *)buf, bufsize);
2692 switch (SSL_get_error(con, i)) {
2693 case SSL_ERROR_NONE:
2694 #ifdef CHARSET_EBCDIC
2695 ascii2ebcdic(buf, buf, i);
2697 raw_write_stdout(buf, (unsigned int)i);
2698 (void)BIO_flush(bio_s_out);
2699 if (SSL_has_pending(con))
2702 case SSL_ERROR_WANT_ASYNC:
2703 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2704 (void)BIO_flush(bio_s_out);
2705 wait_for_async(con);
2707 case SSL_ERROR_WANT_WRITE:
2708 case SSL_ERROR_WANT_READ:
2709 BIO_printf(bio_s_out, "Read BLOCK\n");
2710 (void)BIO_flush(bio_s_out);
2712 case SSL_ERROR_WANT_ASYNC_JOB:
2714 * This shouldn't ever happen in s_server. Treat as an error
2716 case SSL_ERROR_SYSCALL:
2718 BIO_printf(bio_s_out, "ERROR\n");
2719 (void)BIO_flush(bio_s_out);
2720 ERR_print_errors(bio_err);
2723 case SSL_ERROR_ZERO_RETURN:
2724 BIO_printf(bio_s_out, "DONE\n");
2725 (void)BIO_flush(bio_s_out);
2734 BIO_printf(bio_s_out, "shutting down SSL\n");
2735 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2738 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2739 OPENSSL_clear_free(buf, bufsize);
2743 static void close_accept_socket(void)
2745 BIO_printf(bio_err, "shutdown accept socket\n");
2746 if (accept_socket >= 0) {
2747 BIO_closesocket(accept_socket);
2751 static int is_retryable(SSL *con, int i)
2753 int err = SSL_get_error(con, i);
2755 /* If it's not a fatal error, it must be retryable */
2756 return (err != SSL_ERROR_SSL)
2757 && (err != SSL_ERROR_SYSCALL)
2758 && (err != SSL_ERROR_ZERO_RETURN);
2761 static int init_ssl_connection(SSL *con)
2767 if (dtlslisten || stateless) {
2768 BIO_ADDR *client = NULL;
2771 if ((client = BIO_ADDR_new()) == NULL) {
2772 BIO_printf(bio_err, "ERROR - memory\n");
2775 i = DTLSv1_listen(con, client);
2777 i = SSL_stateless(con);
2784 wbio = SSL_get_wbio(con);
2786 BIO_get_fd(wbio, &fd);
2789 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2790 BIO_printf(bio_err, "ERROR - unable to connect\n");
2791 BIO_ADDR_free(client);
2795 (void)BIO_ctrl_set_connected(wbio, client);
2796 BIO_ADDR_free(client);
2801 i = SSL_accept(con);
2803 BIO_ADDR_free(client);
2807 i = SSL_accept(con);
2810 retry = is_retryable(con, i);
2811 #ifdef CERT_CB_TEST_RETRY
2814 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2815 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2817 "LOOKUP from certificate callback during accept\n");
2818 i = SSL_accept(con);
2820 retry = is_retryable(con, i);
2825 #ifndef OPENSSL_NO_SRP
2827 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2828 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2829 srp_callback_parm.login);
2830 SRP_user_pwd_free(srp_callback_parm.user);
2831 srp_callback_parm.user =
2832 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2833 srp_callback_parm.login);
2834 if (srp_callback_parm.user)
2835 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2836 srp_callback_parm.user->info);
2838 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2839 i = SSL_accept(con);
2841 retry = is_retryable(con, i);
2844 } while (i < 0 && SSL_waiting_for_async(con));
2848 if (((dtlslisten || stateless) && i == 0)
2849 || (!dtlslisten && !stateless && retry)) {
2850 BIO_printf(bio_s_out, "DELAY\n");
2854 BIO_printf(bio_err, "ERROR\n");
2856 verify_err = SSL_get_verify_result(con);
2857 if (verify_err != X509_V_OK) {
2858 BIO_printf(bio_err, "verify error:%s\n",
2859 X509_verify_cert_error_string(verify_err));
2861 /* Always print any error messages */
2862 ERR_print_errors(bio_err);
2866 print_connection_info(con);
2870 static void print_connection_info(SSL *con)
2875 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2876 const unsigned char *next_proto_neg;
2877 unsigned next_proto_neg_len;
2879 unsigned char *exportedkeymat;
2883 print_ssl_summary(con);
2885 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2887 peer = SSL_get_peer_certificate(con);
2889 BIO_printf(bio_s_out, "Client certificate\n");
2890 PEM_write_bio_X509(bio_s_out, peer);
2891 dump_cert_text(bio_s_out, peer);
2896 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2897 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2898 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2899 ssl_print_sigalgs(bio_s_out, con);
2900 #ifndef OPENSSL_NO_EC
2901 ssl_print_point_formats(bio_s_out, con);
2902 ssl_print_groups(bio_s_out, con, 0);
2904 print_ca_names(bio_s_out, con);
2905 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2907 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2908 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2909 if (next_proto_neg) {
2910 BIO_printf(bio_s_out, "NEXTPROTO is ");
2911 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2912 BIO_printf(bio_s_out, "\n");
2915 #ifndef OPENSSL_NO_SRTP
2917 SRTP_PROTECTION_PROFILE *srtp_profile
2918 = SSL_get_selected_srtp_profile(con);
2921 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2922 srtp_profile->name);
2925 if (SSL_session_reused(con))
2926 BIO_printf(bio_s_out, "Reused session-id\n");
2927 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2928 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2929 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2930 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2932 if (keymatexportlabel != NULL) {
2933 BIO_printf(bio_s_out, "Keying material exporter:\n");
2934 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2935 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2936 exportedkeymat = app_malloc(keymatexportlen, "export key");
2937 if (!SSL_export_keying_material(con, exportedkeymat,
2940 strlen(keymatexportlabel),
2942 BIO_printf(bio_s_out, " Error\n");
2944 BIO_printf(bio_s_out, " Keying material: ");
2945 for (i = 0; i < keymatexportlen; i++)
2946 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2947 BIO_printf(bio_s_out, "\n");
2949 OPENSSL_free(exportedkeymat);
2951 #ifndef OPENSSL_NO_KTLS
2952 if (BIO_get_ktls_send(SSL_get_wbio(con)))
2953 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
2954 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
2955 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
2958 (void)BIO_flush(bio_s_out);
2961 #ifndef OPENSSL_NO_DH
2962 static DH *load_dh_param(const char *dhfile)
2967 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2969 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2976 static int www_body(int s, int stype, int prot, unsigned char *context)
2982 const SSL_CIPHER *c;
2983 BIO *io, *ssl_bio, *sbio;
2985 int total_bytes = 0;
2991 /* Set width for a select call if needed */
2994 buf = app_malloc(bufsize, "server www buffer");
2995 io = BIO_new(BIO_f_buffer());
2996 ssl_bio = BIO_new(BIO_f_ssl());
2997 if ((io == NULL) || (ssl_bio == NULL))
3001 if (!BIO_socket_nbio(s, 1))
3002 ERR_print_errors(bio_err);
3004 BIO_printf(bio_err, "Turned on non blocking io\n");
3007 /* lets make the output buffer a reasonable size */
3008 if (!BIO_set_write_buffer_size(io, bufsize))
3011 if ((con = SSL_new(ctx)) == NULL)
3014 if (s_tlsextdebug) {
3015 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3016 SSL_set_tlsext_debug_arg(con, bio_s_out);
3020 && !SSL_set_session_id_context(con, context,
3021 strlen((char *)context))) {
3026 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3030 test = BIO_new(BIO_f_nbio_test());
3031 sbio = BIO_push(test, sbio);
3033 SSL_set_bio(con, sbio, sbio);
3034 SSL_set_accept_state(con);
3036 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3037 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3038 BIO_push(io, ssl_bio);
3039 #ifdef CHARSET_EBCDIC
3040 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3044 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3045 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3048 #ifndef OPENSSL_NO_SSL_TRACE
3050 SSL_set_msg_callback(con, SSL_trace);
3053 SSL_set_msg_callback(con, msg_cb);
3054 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3058 i = BIO_gets(io, buf, bufsize - 1);
3059 if (i < 0) { /* error */
3060 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3062 ERR_print_errors(bio_err);
3065 BIO_printf(bio_s_out, "read R BLOCK\n");
3066 #ifndef OPENSSL_NO_SRP
3067 if (BIO_should_io_special(io)
3068 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3069 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3070 SRP_user_pwd_free(srp_callback_parm.user);
3071 srp_callback_parm.user =
3072 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3073 srp_callback_parm.login);
3074 if (srp_callback_parm.user)
3075 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3076 srp_callback_parm.user->info);
3078 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3082 #if !defined(OPENSSL_SYS_MSDOS)
3087 } else if (i == 0) { /* end of input */
3092 /* else we have data */
3093 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3094 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3097 STACK_OF(SSL_CIPHER) *sk;
3098 static const char *space = " ";
3100 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3101 if (strncmp("GET /renegcert", buf, 14) == 0)
3103 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3105 i = SSL_renegotiate(con);
3106 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3107 /* Send the HelloRequest */
3108 i = SSL_do_handshake(con);
3110 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3111 SSL_get_error(con, i));
3112 ERR_print_errors(bio_err);
3115 /* Wait for a ClientHello to come back */
3117 openssl_fdset(s, &readfds);
3118 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3119 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3120 BIO_printf(bio_s_out,
3121 "Error waiting for client response\n");
3122 ERR_print_errors(bio_err);
3126 * We're not actually expecting any data here and we ignore
3127 * any that is sent. This is just to force the handshake that
3128 * we're expecting to come from the client. If they haven't
3129 * sent one there's not much we can do.
3131 BIO_gets(io, buf, bufsize - 1);
3135 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3136 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3137 BIO_puts(io, "<pre>\n");
3138 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3140 for (i = 0; i < local_argc; i++) {
3142 for (myp = local_argv[i]; *myp; myp++)
3145 BIO_puts(io, "<");
3148 BIO_puts(io, ">");
3151 BIO_puts(io, "&");
3154 BIO_write(io, myp, 1);
3157 BIO_write(io, " ", 1);
3162 "Secure Renegotiation IS%s supported\n",
3163 SSL_get_secure_renegotiation_support(con) ?
3167 * The following is evil and should not really be done
3169 BIO_printf(io, "Ciphers supported in s_server binary\n");
3170 sk = SSL_get_ciphers(con);
3171 j = sk_SSL_CIPHER_num(sk);
3172 for (i = 0; i < j; i++) {
3173 c = sk_SSL_CIPHER_value(sk, i);
3174 BIO_printf(io, "%-11s:%-25s ",
3175 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3176 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3180 p = SSL_get_shared_ciphers(con, buf, bufsize);
3183 "---\nCiphers common between both SSL end points:\n");
3187 BIO_write(io, space, 26 - j);
3190 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3192 BIO_write(io, p, 1);
3199 ssl_print_sigalgs(io, con);
3200 #ifndef OPENSSL_NO_EC
3201 ssl_print_groups(io, con, 0);
3203 print_ca_names(io, con);
3204 BIO_printf(io, (SSL_session_reused(con)
3205 ? "---\nReused, " : "---\nNew, "));
3206 c = SSL_get_current_cipher(con);
3207 BIO_printf(io, "%s, Cipher is %s\n",
3208 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3209 SSL_SESSION_print(io, SSL_get_session(con));
3210 BIO_printf(io, "---\n");
3211 print_stats(io, SSL_get_SSL_CTX(con));
3212 BIO_printf(io, "---\n");
3213 peer = SSL_get_peer_certificate(con);
3215 BIO_printf(io, "Client certificate\n");
3216 X509_print(io, peer);
3217 PEM_write_bio_X509(io, peer);
3221 BIO_puts(io, "no client certificate available\n");
3223 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3225 } else if ((www == 2 || www == 3)
3226 && (strncmp("GET /", buf, 5) == 0)) {
3229 static const char *text =
3230 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3236 for (e = p; *e != '\0'; e++) {
3241 /* Windows drive. We treat this the same way as ".." */
3248 dot = (e[0] == '.') ? 2 : 0;
3251 dot = (e[0] == '.') ? 3 : 0;
3254 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
3258 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
3260 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3265 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3272 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
3276 if (*p == '/' || *p == '\\') {
3278 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3282 /* if a directory, do the index thang */
3283 if (app_isdir(p) > 0) {
3285 BIO_printf(io, "'%s' is a directory\r\n", p);
3289 opmode = (http_server_binmode == 1) ? "rb" : "r";
3290 if ((file = BIO_new_file(p, opmode)) == NULL) {
3292 BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
3293 ERR_print_errors(io);
3298 BIO_printf(bio_err, "FILE:%s\n", p);
3302 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3303 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3304 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3306 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3309 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3313 i = BIO_read(file, buf, bufsize);
3319 BIO_printf(bio_err, "%d\n", i);
3320 if (total_bytes > 3 * 1024) {
3322 BIO_printf(bio_err, "RENEGOTIATE\n");
3323 SSL_renegotiate(con);
3327 for (j = 0; j < i;) {
3330 if (++count == 13) {
3331 SSL_renegotiate(con);
3334 k = BIO_write(io, &(buf[j]), i - j);
3336 if (!BIO_should_retry(io)
3337 && !SSL_waiting_for_async(con))
3340 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3354 i = (int)BIO_flush(io);
3356 if (!BIO_should_retry(io))
3362 /* make sure we re-use sessions */
3363 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3371 static int rev_body(int s, int stype, int prot, unsigned char *context)
3377 BIO *io, *ssl_bio, *sbio;
3379 buf = app_malloc(bufsize, "server rev buffer");
3380 io = BIO_new(BIO_f_buffer());
3381 ssl_bio = BIO_new(BIO_f_ssl());
3382 if ((io == NULL) || (ssl_bio == NULL))
3385 /* lets make the output buffer a reasonable size */
3386 if (!BIO_set_write_buffer_size(io, bufsize))
3389 if ((con = SSL_new(ctx)) == NULL)
3392 if (s_tlsextdebug) {
3393 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3394 SSL_set_tlsext_debug_arg(con, bio_s_out);
3397 && !SSL_set_session_id_context(con, context,
3398 strlen((char *)context))) {
3400 ERR_print_errors(bio_err);
3404 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3405 SSL_set_bio(con, sbio, sbio);
3406 SSL_set_accept_state(con);
3408 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3409 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3410 BIO_push(io, ssl_bio);
3411 #ifdef CHARSET_EBCDIC
3412 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3416 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3417 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3420 #ifndef OPENSSL_NO_SSL_TRACE
3422 SSL_set_msg_callback(con, SSL_trace);
3425 SSL_set_msg_callback(con, msg_cb);
3426 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3430 i = BIO_do_handshake(io);
3433 if (!BIO_should_retry(io)) {
3434 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3435 ERR_print_errors(bio_err);
3438 #ifndef OPENSSL_NO_SRP
3439 if (BIO_should_io_special(io)
3440 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3441 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3442 SRP_user_pwd_free(srp_callback_parm.user);
3443 srp_callback_parm.user =
3444 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3445 srp_callback_parm.login);
3446 if (srp_callback_parm.user)
3447 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3448 srp_callback_parm.user->info);
3450 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3455 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3456 print_ssl_summary(con);
3459 i = BIO_gets(io, buf, bufsize - 1);
3460 if (i < 0) { /* error */
3461 if (!BIO_should_retry(io)) {
3463 ERR_print_errors(bio_err);
3466 BIO_printf(bio_s_out, "read R BLOCK\n");
3467 #ifndef OPENSSL_NO_SRP
3468 if (BIO_should_io_special(io)
3469 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3470 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3471 SRP_user_pwd_free(srp_callback_parm.user);
3472 srp_callback_parm.user =
3473 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3474 srp_callback_parm.login);
3475 if (srp_callback_parm.user)
3476 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3477 srp_callback_parm.user->info);
3479 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3483 #if !defined(OPENSSL_SYS_MSDOS)
3488 } else if (i == 0) { /* end of input */
3490 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3493 char *p = buf + i - 1;
3494 while (i && (*p == '\n' || *p == '\r')) {
3498 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3500 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3503 BUF_reverse((unsigned char *)buf, NULL, i);
3505 BIO_write(io, buf, i + 1);
3510 if (!BIO_should_retry(io))
3516 /* make sure we re-use sessions */
3517 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3526 #define MAX_SESSION_ID_ATTEMPTS 10
3527 static int generate_session_id(SSL *ssl, unsigned char *id,
3528 unsigned int *id_len)
3530 unsigned int count = 0;
3532 if (RAND_bytes(id, *id_len) <= 0)
3535 * Prefix the session_id with the required prefix. NB: If our prefix
3536 * is too long, clip it - but there will be worse effects anyway, eg.
3537 * the server could only possibly create 1 session ID (ie. the
3538 * prefix!) so all future session negotiations will fail due to
3541 memcpy(id, session_id_prefix,
3542 (strlen(session_id_prefix) < *id_len) ?
3543 strlen(session_id_prefix) : *id_len);
3545 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3546 (++count < MAX_SESSION_ID_ATTEMPTS));
3547 if (count >= MAX_SESSION_ID_ATTEMPTS)
3553 * By default s_server uses an in-memory cache which caches SSL_SESSION
3554 * structures without any serialisation. This hides some bugs which only
3555 * become apparent in deployed servers. By implementing a basic external
3556 * session cache some issues can be debugged using s_server.
3559 typedef struct simple_ssl_session_st {
3564 struct simple_ssl_session_st *next;
3565 } simple_ssl_session;
3567 static simple_ssl_session *first = NULL;
3569 static int add_session(SSL *ssl, SSL_SESSION *session)
3571 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3574 SSL_SESSION_get_id(session, &sess->idlen);
3575 sess->derlen = i2d_SSL_SESSION(session, NULL);
3576 if (sess->derlen < 0) {
3577 BIO_printf(bio_err, "Error encoding session\n");
3582 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3583 sess->der = app_malloc(sess->derlen, "get session buffer");
3585 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3586 OPENSSL_free(sess->id);
3587 OPENSSL_free(sess->der);
3593 /* Assume it still works. */
3594 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3595 BIO_printf(bio_err, "Unexpected session encoding length\n");
3596 OPENSSL_free(sess->id);
3597 OPENSSL_free(sess->der);
3604 BIO_printf(bio_err, "New session added to external cache\n");
3608 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3611 simple_ssl_session *sess;
3613 for (sess = first; sess; sess = sess->next) {
3614 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3615 const unsigned char *p = sess->der;
3616 BIO_printf(bio_err, "Lookup session: cache hit\n");
3617 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3620 BIO_printf(bio_err, "Lookup session: cache miss\n");
3624 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3626 simple_ssl_session *sess, *prev = NULL;
3627 const unsigned char *id;
3629 id = SSL_SESSION_get_id(session, &idlen);
3630 for (sess = first; sess; sess = sess->next) {
3631 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3633 prev->next = sess->next;
3636 OPENSSL_free(sess->id);
3637 OPENSSL_free(sess->der);
3645 static void init_session_cache_ctx(SSL_CTX *sctx)
3647 SSL_CTX_set_session_cache_mode(sctx,
3648 SSL_SESS_CACHE_NO_INTERNAL |
3649 SSL_SESS_CACHE_SERVER);
3650 SSL_CTX_sess_set_new_cb(sctx, add_session);
3651 SSL_CTX_sess_set_get_cb(sctx, get_session);
3652 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3655 static void free_sessions(void)
3657 simple_ssl_session *sess, *tsess;
3658 for (sess = first; sess;) {
3659 OPENSSL_free(sess->id);
3660 OPENSSL_free(sess->der);
3663 OPENSSL_free(tsess);
3668 #endif /* OPENSSL_NO_SOCK */