2 * Copyright 1995-2021 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>
24 #include <openssl/decoder.h>
26 #ifndef OPENSSL_NO_SOCK
29 * With IPv6, it looks like Digital has mixed up the proper order of
30 * recursive header file inclusion, resulting in the compiler complaining
31 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
32 * needed to have fileno() declared correctly... So let's define u_int
34 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
36 typedef unsigned int u_int;
39 #include <openssl/bn.h>
42 #include <openssl/err.h>
43 #include <openssl/pem.h>
44 #include <openssl/x509.h>
45 #include <openssl/ssl.h>
46 #include <openssl/rand.h>
47 #include <openssl/ocsp.h>
49 # include <openssl/dh.h>
51 #include <openssl/rsa.h>
55 #include <openssl/ebcdic.h>
57 #include "internal/sockets.h"
59 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
60 static int sv_body(int s, int stype, int prot, unsigned char *context);
61 static int www_body(int s, int stype, int prot, unsigned char *context);
62 static int rev_body(int s, int stype, int prot, unsigned char *context);
63 static void close_accept_socket(void);
64 static int init_ssl_connection(SSL *s);
65 static void print_stats(BIO *bp, SSL_CTX *ctx);
66 static int generate_session_id(SSL *ssl, unsigned char *id,
67 unsigned int *id_len);
68 static void init_session_cache_ctx(SSL_CTX *sctx);
69 static void free_sessions(void);
70 static void print_connection_info(SSL *con);
72 static const int bufsize = 16 * 1024;
73 static int accept_socket = -1;
75 #define TEST_CERT "server.pem"
76 #define TEST_CERT2 "server2.pem"
78 static int s_nbio = 0;
79 static int s_nbio_test = 0;
80 static int s_crlf = 0;
81 static SSL_CTX *ctx = NULL;
82 static SSL_CTX *ctx2 = NULL;
85 static BIO *bio_s_out = NULL;
86 static BIO *bio_s_msg = NULL;
87 static int s_debug = 0;
88 static int s_tlsextdebug = 0;
90 static int s_quiet = 0;
91 static int s_ign_eof = 0;
92 static int s_brief = 0;
94 static char *keymatexportlabel = NULL;
95 static int keymatexportlen = 20;
99 static int use_sendfile = 0;
101 static const char *session_id_prefix = NULL;
103 #ifndef OPENSSL_NO_DTLS
104 static int enable_timeouts = 0;
105 static long socket_mtu;
109 * We define this but make it always be 0 in no-dtls builds to simplify the
112 static int dtlslisten = 0;
113 static int stateless = 0;
115 static int early_data = 0;
116 static SSL_SESSION *psksess = NULL;
118 static char *psk_identity = "Client_identity";
119 char *psk_key = NULL; /* by default PSK is not used */
121 static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
123 #ifndef OPENSSL_NO_PSK
124 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
126 unsigned int max_psk_len)
132 BIO_printf(bio_s_out, "psk_server_cb\n");
133 if (identity == NULL) {
134 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
138 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
139 (int)strlen(identity), identity);
141 /* here we could lookup the given identity e.g. from a database */
142 if (strcmp(identity, psk_identity) != 0) {
143 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
144 " (got '%s' expected '%s')\n", identity, psk_identity);
147 BIO_printf(bio_s_out, "PSK client identity found\n");
150 /* convert the PSK key to binary */
151 key = OPENSSL_hexstr2buf(psk_key, &key_len);
153 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
157 if (key_len > (int)max_psk_len) {
159 "psk buffer of callback is too small (%d) for key (%ld)\n",
160 max_psk_len, key_len);
165 memcpy(psk, key, key_len);
169 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
173 BIO_printf(bio_err, "Error in PSK server callback\n");
174 (void)BIO_flush(bio_err);
175 (void)BIO_flush(bio_s_out);
180 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
181 size_t identity_len, SSL_SESSION **sess)
183 SSL_SESSION *tmpsess = NULL;
186 const SSL_CIPHER *cipher = NULL;
188 if (strlen(psk_identity) != identity_len
189 || memcmp(psk_identity, identity, identity_len) != 0) {
194 if (psksess != NULL) {
195 SSL_SESSION_up_ref(psksess);
200 key = OPENSSL_hexstr2buf(psk_key, &key_len);
202 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
207 /* We default to SHA256 */
208 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
209 if (cipher == NULL) {
210 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
215 tmpsess = SSL_SESSION_new();
217 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
218 || !SSL_SESSION_set_cipher(tmpsess, cipher)
219 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
229 #ifndef OPENSSL_NO_SRP
230 static srpsrvparm srp_callback_parm;
233 static int local_argc = 0;
234 static char **local_argv;
236 #ifdef CHARSET_EBCDIC
237 static int ebcdic_new(BIO *bi);
238 static int ebcdic_free(BIO *a);
239 static int ebcdic_read(BIO *b, char *out, int outl);
240 static int ebcdic_write(BIO *b, const char *in, int inl);
241 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
242 static int ebcdic_gets(BIO *bp, char *buf, int size);
243 static int ebcdic_puts(BIO *bp, const char *str);
245 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
246 static BIO_METHOD *methods_ebcdic = NULL;
248 /* This struct is "unwarranted chumminess with the compiler." */
254 static const BIO_METHOD *BIO_f_ebcdic_filter()
256 if (methods_ebcdic == NULL) {
257 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
258 "EBCDIC/ASCII filter");
259 if (methods_ebcdic == NULL
260 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
261 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
262 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
263 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
264 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
265 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
266 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
269 return methods_ebcdic;
272 static int ebcdic_new(BIO *bi)
274 EBCDIC_OUTBUFF *wbuf;
276 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
277 wbuf->alloced = 1024;
278 wbuf->buff[0] = '\0';
280 BIO_set_data(bi, wbuf);
285 static int ebcdic_free(BIO *a)
287 EBCDIC_OUTBUFF *wbuf;
291 wbuf = BIO_get_data(a);
293 BIO_set_data(a, NULL);
299 static int ebcdic_read(BIO *b, char *out, int outl)
302 BIO *next = BIO_next(b);
304 if (out == NULL || outl == 0)
309 ret = BIO_read(next, out, outl);
311 ascii2ebcdic(out, out, ret);
315 static int ebcdic_write(BIO *b, const char *in, int inl)
317 EBCDIC_OUTBUFF *wbuf;
318 BIO *next = BIO_next(b);
322 if ((in == NULL) || (inl <= 0))
327 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
329 if (inl > (num = wbuf->alloced)) {
330 num = num + num; /* double the size */
334 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
337 wbuf->buff[0] = '\0';
339 BIO_set_data(b, wbuf);
342 ebcdic2ascii(wbuf->buff, in, inl);
344 ret = BIO_write(next, wbuf->buff, inl);
349 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
352 BIO *next = BIO_next(b);
361 ret = BIO_ctrl(next, cmd, num, ptr);
367 static int ebcdic_gets(BIO *bp, char *buf, int size)
370 BIO *next = BIO_next(bp);
374 /* return(BIO_gets(bp->next_bio,buf,size));*/
375 for (i = 0; i < size - 1; ++i) {
376 ret = ebcdic_read(bp, &buf[i], 1);
379 else if (buf[i] == '\n') {
386 return (ret < 0 && i == 0) ? ret : i;
389 static int ebcdic_puts(BIO *bp, const char *str)
391 if (BIO_next(bp) == NULL)
393 return ebcdic_write(bp, str, strlen(str));
397 /* This is a context that we pass to callbacks */
398 typedef struct tlsextctx_st {
404 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
406 tlsextctx *p = (tlsextctx *) arg;
407 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
409 if (servername != NULL && p->biodebug != NULL) {
410 const char *cp = servername;
413 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
414 while ((uc = *cp++) != 0)
415 BIO_printf(p->biodebug,
416 (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
417 BIO_printf(p->biodebug, "\"\n");
420 if (p->servername == NULL)
421 return SSL_TLSEXT_ERR_NOACK;
423 if (servername != NULL) {
424 if (strcasecmp(servername, p->servername))
425 return p->extension_error;
427 BIO_printf(p->biodebug, "Switching server context.\n");
428 SSL_set_SSL_CTX(s, ctx2);
431 return SSL_TLSEXT_ERR_OK;
434 /* Structure passed to cert status callback */
435 typedef struct tlsextstatusctx_st {
437 /* File to load OCSP Response from (or NULL if no file) */
439 /* Default responder to use */
440 char *host, *path, *port;
445 static tlsextstatusctx tlscstatp = { -1 };
447 #ifndef OPENSSL_NO_OCSP
450 * Helper function to get an OCSP_RESPONSE from a responder. This is a
451 * simplified version. It examines certificates each time and makes one OCSP
452 * responder query for each request. A full version would store details such as
453 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
454 * them until they were considered "expired".
456 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
457 OCSP_RESPONSE **resp)
459 char *host = NULL, *port = NULL, *path = NULL;
461 STACK_OF(OPENSSL_STRING) *aia = NULL;
463 X509_STORE_CTX *inctx = NULL;
465 OCSP_REQUEST *req = NULL;
466 OCSP_CERTID *id = NULL;
467 STACK_OF(X509_EXTENSION) *exts;
468 int ret = SSL_TLSEXT_ERR_NOACK;
471 /* Build up OCSP query from server certificate */
472 x = SSL_get_certificate(s);
473 aia = X509_get1_ocsp(x);
475 if (!OSSL_HTTP_parse_url(sk_OPENSSL_STRING_value(aia, 0), &use_ssl,
476 NULL, &host, &port, NULL, &path, NULL, NULL)) {
477 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
481 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
482 sk_OPENSSL_STRING_value(aia, 0));
484 if (srctx->host == NULL) {
486 "cert_status: no AIA and no default responder URL\n");
492 use_ssl = srctx->use_ssl;
495 inctx = X509_STORE_CTX_new();
498 if (!X509_STORE_CTX_init(inctx,
499 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
502 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
503 X509_get_issuer_name(x));
505 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
508 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
509 X509_OBJECT_free(obj);
512 req = OCSP_REQUEST_new();
515 if (!OCSP_request_add0_id(req, id))
518 /* Add any extensions to the request */
519 SSL_get_tlsext_status_exts(s, &exts);
520 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
521 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
522 if (!OCSP_REQUEST_add_ext(req, ext, -1))
525 *resp = process_responder(req, host, path, port, use_ssl, NULL,
528 BIO_puts(bio_err, "cert_status: error querying responder\n");
532 ret = SSL_TLSEXT_ERR_OK;
536 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
539 * If we parsed aia we need to free; otherwise they were copied and we
546 X509_email_free(aia);
548 OCSP_CERTID_free(id);
549 OCSP_REQUEST_free(req);
550 X509_STORE_CTX_free(inctx);
555 * Certificate Status callback. This is called when a client includes a
556 * certificate status request extension. The response is either obtained from a
557 * file, or from an OCSP responder.
559 static int cert_status_cb(SSL *s, void *arg)
561 tlsextstatusctx *srctx = arg;
562 OCSP_RESPONSE *resp = NULL;
563 unsigned char *rspder = NULL;
565 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
568 BIO_puts(bio_err, "cert_status: callback called\n");
570 if (srctx->respin != NULL) {
571 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
572 if (derbio == NULL) {
573 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
576 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
579 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
583 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
584 if (ret != SSL_TLSEXT_ERR_OK)
588 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
592 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
593 if (srctx->verbose) {
594 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
595 OCSP_RESPONSE_print(bio_err, resp, 2);
598 ret = SSL_TLSEXT_ERR_OK;
601 if (ret != SSL_TLSEXT_ERR_OK)
602 ERR_print_errors(bio_err);
604 OCSP_RESPONSE_free(resp);
610 #ifndef OPENSSL_NO_NEXTPROTONEG
611 /* This is the context that we pass to next_proto_cb */
612 typedef struct tlsextnextprotoctx_st {
615 } tlsextnextprotoctx;
617 static int next_proto_cb(SSL *s, const unsigned char **data,
618 unsigned int *len, void *arg)
620 tlsextnextprotoctx *next_proto = arg;
622 *data = next_proto->data;
623 *len = next_proto->len;
625 return SSL_TLSEXT_ERR_OK;
627 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
629 /* This the context that we pass to alpn_cb */
630 typedef struct tlsextalpnctx_st {
635 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
636 const unsigned char *in, unsigned int inlen, void *arg)
638 tlsextalpnctx *alpn_ctx = arg;
641 /* We can assume that |in| is syntactically valid. */
643 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
644 for (i = 0; i < inlen;) {
646 BIO_write(bio_s_out, ", ", 2);
647 BIO_write(bio_s_out, &in[i + 1], in[i]);
650 BIO_write(bio_s_out, "\n", 1);
653 if (SSL_select_next_proto
654 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
655 inlen) != OPENSSL_NPN_NEGOTIATED) {
656 return SSL_TLSEXT_ERR_ALERT_FATAL;
660 BIO_printf(bio_s_out, "ALPN protocols selected: ");
661 BIO_write(bio_s_out, *out, *outlen);
662 BIO_write(bio_s_out, "\n", 1);
665 return SSL_TLSEXT_ERR_OK;
668 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
670 /* disable resumption for sessions with forward secure ciphers */
671 return is_forward_secure;
674 typedef enum OPTION_choice {
677 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
678 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
679 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
680 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
681 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
682 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
683 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
684 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
686 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
687 OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
688 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
689 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
690 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
691 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
692 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
693 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
694 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
695 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
696 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
697 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
698 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
699 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_SENDFILE,
700 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
701 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
702 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
703 OPT_HTTP_SERVER_BINMODE, OPT_NOCANAMES, OPT_IGNORE_UNEXPECTED_EOF,
711 const OPTIONS s_server_options[] = {
712 OPT_SECTION("General"),
713 {"help", OPT_HELP, '-', "Display this summary"},
714 {"ssl_config", OPT_SSL_CONFIG, 's',
715 "Configure SSL_CTX using the configuration 'val'"},
716 #ifndef OPENSSL_NO_SSL_TRACE
717 {"trace", OPT_TRACE, '-', "trace protocol messages"},
719 #ifndef OPENSSL_NO_ENGINE
720 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
723 OPT_SECTION("Network"),
724 {"port", OPT_PORT, 'p',
725 "TCP/IP port to listen on for connections (default is " PORT ")"},
726 {"accept", OPT_ACCEPT, 's',
727 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
729 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
730 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
732 {"4", OPT_4, '-', "Use IPv4 only"},
733 {"6", OPT_6, '-', "Use IPv6 only"},
735 OPT_SECTION("Identity"),
736 {"context", OPT_CONTEXT, 's', "Set session ID context"},
737 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
738 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
739 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
740 {"no-CAfile", OPT_NOCAFILE, '-',
741 "Do not load the default certificates file"},
742 {"no-CApath", OPT_NOCAPATH, '-',
743 "Do not load certificates from the default certificates directory"},
744 {"no-CAstore", OPT_NOCASTORE, '-',
745 "Do not load certificates from the default certificates store URI"},
746 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
747 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
748 {"Verify", OPT_UPPER_V_VERIFY, 'n',
749 "Turn on peer certificate verification, must have a cert"},
750 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
751 {"cert", OPT_CERT, '<', "Server certificate file to use; default " TEST_CERT},
752 {"cert2", OPT_CERT2, '<',
753 "Certificate file to use for servername; default " TEST_CERT2},
754 {"certform", OPT_CERTFORM, 'F',
755 "Server certificate file format (PEM/DER/P12); has no effect"},
756 {"cert_chain", OPT_CERT_CHAIN, '<',
757 "Server certificate chain file in PEM format"},
758 {"build_chain", OPT_BUILD_CHAIN, '-', "Build server certificate chain"},
759 {"serverinfo", OPT_SERVERINFO, 's',
760 "PEM serverinfo file for certificate"},
761 {"key", OPT_KEY, 's',
762 "Private key file to use; default is -cert file or else" TEST_CERT},
763 {"key2", OPT_KEY2, '<',
764 "-Private Key file to use for servername if not in -cert2"},
765 {"keyform", OPT_KEYFORM, 'f', "Key format (ENGINE, other values ignored)"},
766 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
767 {"dcert", OPT_DCERT, '<',
768 "Second server certificate file to use (usually for DSA)"},
769 {"dcertform", OPT_DCERTFORM, 'F',
770 "Second server certificate file format (PEM/DER/P12); has no effect"},
771 {"dcert_chain", OPT_DCERT_CHAIN, '<',
772 "second server certificate chain file in PEM format"},
773 {"dkey", OPT_DKEY, '<',
774 "Second private key file to use (usually for DSA)"},
775 {"dkeyform", OPT_DKEYFORM, 'F',
776 "Second key file format (ENGINE, other values ignored)"},
777 {"dpass", OPT_DPASS, 's',
778 "Second private key and cert file pass phrase source"},
779 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
780 {"servername", OPT_SERVERNAME, 's',
781 "Servername for HostName TLS extension"},
782 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
783 "mismatch send fatal alert (default warning alert)"},
784 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
785 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
786 {"quiet", OPT_QUIET, '-', "No server output"},
787 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
788 "Disable caching and tickets if ephemeral (EC)DH is used"},
789 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
790 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
791 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
792 "Do not treat lack of close_notify from a peer as an error"},
793 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
794 "Hex dump of all TLS extensions received"},
795 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
796 {"id_prefix", OPT_ID_PREFIX, 's',
797 "Generate SSL/TLS session IDs prefixed by arg"},
798 {"keymatexport", OPT_KEYMATEXPORT, 's',
799 "Export keying material using label"},
800 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
801 "Export len bytes of keying material; default 20"},
802 {"CRL", OPT_CRL, '<', "CRL file to use"},
803 {"CRLform", OPT_CRLFORM, 'F', "CRL file format (PEM or DER); default PEM"},
804 {"crl_download", OPT_CRL_DOWNLOAD, '-',
805 "Download CRLs from distribution points in certificate CDP entries"},
806 {"chainCAfile", OPT_CHAINCAFILE, '<',
807 "CA file for certificate chain (PEM format)"},
808 {"chainCApath", OPT_CHAINCAPATH, '/',
809 "use dir as certificate store path to build CA certificate chain"},
810 {"chainCAstore", OPT_CHAINCASTORE, ':',
811 "use URI as certificate store to build CA certificate chain"},
812 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
813 "CA file for certificate verification (PEM format)"},
814 {"verifyCApath", OPT_VERIFYCAPATH, '/',
815 "use dir as certificate store path to verify CA certificate"},
816 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
817 "use URI as certificate store to verify CA certificate"},
818 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
819 {"ext_cache", OPT_EXT_CACHE, '-',
820 "Disable internal cache, setup and use external cache"},
821 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
822 "Close connection on verification error"},
823 {"verify_quiet", OPT_VERIFY_QUIET, '-',
824 "No verify output except verify errors"},
825 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
826 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
828 #ifndef OPENSSL_NO_OCSP
830 {"status", OPT_STATUS, '-', "Request certificate status from server"},
831 {"status_verbose", OPT_STATUS_VERBOSE, '-',
832 "Print more output in certificate status callback"},
833 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
834 "Status request responder timeout"},
835 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
836 {"status_file", OPT_STATUS_FILE, '<',
837 "File containing DER encoded OCSP Response"},
840 OPT_SECTION("Debug"),
841 {"security_debug", OPT_SECURITY_DEBUG, '-',
842 "Print output from SSL/TLS security framework"},
843 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
844 "Print more output from SSL/TLS security framework"},
845 {"brief", OPT_BRIEF, '-',
846 "Restrict output to brief summary of connection parameters"},
847 {"rev", OPT_REV, '-',
848 "act as a simple test server which just sends back with the received text reversed"},
849 {"debug", OPT_DEBUG, '-', "Print more output"},
850 {"msg", OPT_MSG, '-', "Show protocol messages"},
851 {"msgfile", OPT_MSGFILE, '>',
852 "File to send output of -msg or -trace, instead of stdout"},
853 {"state", OPT_STATE, '-', "Print the SSL states"},
854 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
855 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
856 "Maximum number of encrypt/decrypt pipelines to be used"},
857 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
858 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
860 OPT_SECTION("Network"),
861 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
862 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
863 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
864 {"read_buf", OPT_READ_BUF, 'p',
865 "Default read buffer size to be used for connections"},
866 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
867 "Size used to split data for encrypt pipelines"},
868 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
870 OPT_SECTION("Server identity"),
871 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
872 #ifndef OPENSSL_NO_PSK
873 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
875 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
876 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
877 #ifndef OPENSSL_NO_SRP
878 {"srpvfile", OPT_SRPVFILE, '<', "(deprecated) The verifier file for SRP"},
879 {"srpuserseed", OPT_SRPUSERSEED, 's',
880 "(deprecated) A seed string for a default user salt"},
883 OPT_SECTION("Protocol and version"),
884 {"max_early_data", OPT_MAX_EARLY, 'n',
885 "The maximum number of bytes of early data as advertised in tickets"},
886 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
887 "The maximum number of bytes of early data (hard limit)"},
888 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
889 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
890 "The number of TLSv1.3 session tickets that a server will automatically issue" },
891 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
892 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
893 {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
894 {"no_ca_names", OPT_NOCANAMES, '-',
895 "Disable TLS Extension CA Names"},
896 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
897 #ifndef OPENSSL_NO_SSL3
898 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
900 #ifndef OPENSSL_NO_TLS1
901 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
903 #ifndef OPENSSL_NO_TLS1_1
904 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
906 #ifndef OPENSSL_NO_TLS1_2
907 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
909 #ifndef OPENSSL_NO_TLS1_3
910 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
912 #ifndef OPENSSL_NO_DTLS
913 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
914 {"listen", OPT_LISTEN, '-',
915 "Listen for a DTLS ClientHello with a cookie and then connect"},
917 #ifndef OPENSSL_NO_DTLS1
918 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
920 #ifndef OPENSSL_NO_DTLS1_2
921 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
923 #ifndef OPENSSL_NO_SCTP
924 {"sctp", OPT_SCTP, '-', "Use SCTP"},
925 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
927 #ifndef OPENSSL_NO_SRTP
928 {"use_srtp", OPT_SRTP_PROFILES, 's',
929 "Offer SRTP key management with a colon-separated profile list"},
931 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
932 #ifndef OPENSSL_NO_NEXTPROTONEG
933 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
934 "Set the advertised protocols for the NPN extension (comma-separated list)"},
936 {"alpn", OPT_ALPN, 's',
937 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
938 #ifndef OPENSSL_NO_KTLS
939 {"sendfile", OPT_SENDFILE, '-', "Use sendfile to response file with -WWW"},
950 #define IS_PROT_FLAG(o) \
951 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
952 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
954 int s_server_main(int argc, char *argv[])
956 ENGINE *engine = NULL;
957 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
958 SSL_CONF_CTX *cctx = NULL;
959 const SSL_METHOD *meth = TLS_server_method();
960 SSL_EXCERT *exc = NULL;
961 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
962 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
963 STACK_OF(X509_CRL) *crls = NULL;
964 X509 *s_cert = NULL, *s_dcert = NULL;
965 X509_VERIFY_PARAM *vpm = NULL;
966 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
967 const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL;
968 char *dpassarg = NULL, *dpass = NULL;
969 char *passarg = NULL, *pass = NULL;
970 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
971 char *crl_file = NULL, *prog;
973 int unlink_unix_path = 0;
975 do_server_cb server_cb;
976 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
979 int nocert = 0, ret = 1;
980 int noCApath = 0, noCAfile = 0, noCAstore = 0;
981 int s_cert_format = FORMAT_UNDEF, s_key_format = FORMAT_UNDEF;
982 int s_dcert_format = FORMAT_UNDEF, s_dkey_format = FORMAT_UNDEF;
983 int rev = 0, naccept = -1, sdebug = 0;
984 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
985 int state = 0, crl_format = FORMAT_UNDEF, crl_download = 0;
987 char *port = OPENSSL_strdup(PORT);
988 unsigned char *context = NULL;
990 EVP_PKEY *s_key2 = NULL;
991 X509 *s_cert2 = NULL;
992 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
993 const char *ssl_config = NULL;
994 int read_buf_len = 0;
995 #ifndef OPENSSL_NO_NEXTPROTONEG
996 const char *next_proto_neg_in = NULL;
997 tlsextnextprotoctx next_proto = { NULL, 0 };
999 const char *alpn_in = NULL;
1000 tlsextalpnctx alpn_ctx = { NULL, 0 };
1001 #ifndef OPENSSL_NO_PSK
1002 /* by default do not send a PSK identity hint */
1003 char *psk_identity_hint = NULL;
1006 #ifndef OPENSSL_NO_SRP
1007 char *srpuserseed = NULL;
1008 char *srp_verifier_file = NULL;
1010 #ifndef OPENSSL_NO_SRTP
1011 char *srtp_profiles = NULL;
1013 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1014 int s_server_verify = SSL_VERIFY_NONE;
1015 int s_server_session_id_context = 1; /* anything will do */
1016 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1017 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1018 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1019 #ifndef OPENSSL_NO_OCSP
1020 int s_tlsextstatus = 0;
1022 int no_resume_ephemeral = 0;
1023 unsigned int max_send_fragment = 0;
1024 unsigned int split_send_fragment = 0, max_pipelines = 0;
1025 const char *s_serverinfo_file = NULL;
1026 const char *keylog_file = NULL;
1027 int max_early_data = -1, recv_max_early_data = -1;
1028 char *psksessf = NULL;
1029 int no_ca_names = 0;
1030 #ifndef OPENSSL_NO_SCTP
1031 int sctp_label_bug = 0;
1033 int ignore_unexpected_eof = 0;
1035 /* Init of few remaining global variables */
1040 s_nbio = s_nbio_test = 0;
1050 cctx = SSL_CONF_CTX_new();
1051 vpm = X509_VERIFY_PARAM_new();
1052 if (cctx == NULL || vpm == NULL)
1054 SSL_CONF_CTX_set_flags(cctx,
1055 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1057 prog = opt_init(argc, argv, s_server_options);
1058 while ((o = opt_next()) != OPT_EOF) {
1059 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1060 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1063 if (IS_NO_PROT_FLAG(o))
1065 if (prot_opt == 1 && no_prot_opt) {
1067 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1074 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1077 opt_help(s_server_options);
1083 if (socket_family == AF_UNIX) {
1084 OPENSSL_free(host); host = NULL;
1085 OPENSSL_free(port); port = NULL;
1088 socket_family = AF_INET;
1094 if (socket_family == AF_UNIX) {
1095 OPENSSL_free(host); host = NULL;
1096 OPENSSL_free(port); port = NULL;
1099 socket_family = AF_INET6;
1102 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1108 if (socket_family == AF_UNIX) {
1109 socket_family = AF_UNSPEC;
1112 OPENSSL_free(port); port = NULL;
1113 OPENSSL_free(host); host = NULL;
1114 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1116 "%s: -port argument malformed or ambiguous\n",
1123 if (socket_family == AF_UNIX) {
1124 socket_family = AF_UNSPEC;
1127 OPENSSL_free(port); port = NULL;
1128 OPENSSL_free(host); host = NULL;
1129 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1131 "%s: -accept argument malformed or ambiguous\n",
1138 socket_family = AF_UNIX;
1139 OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
1140 OPENSSL_free(port); port = NULL;
1143 unlink_unix_path = 1;
1147 naccept = atol(opt_arg());
1150 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1151 verify_args.depth = atoi(opt_arg());
1153 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1155 case OPT_UPPER_V_VERIFY:
1157 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1158 SSL_VERIFY_CLIENT_ONCE;
1159 verify_args.depth = atoi(opt_arg());
1162 "verify depth is %d, must return a certificate\n",
1166 context = (unsigned char *)opt_arg();
1169 s_cert_file = opt_arg();
1172 if (!set_nameopt(opt_arg()))
1176 crl_file = opt_arg();
1178 case OPT_CRL_DOWNLOAD:
1181 case OPT_SERVERINFO:
1182 s_serverinfo_file = opt_arg();
1185 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_cert_format))
1189 s_key_file = opt_arg();
1192 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1196 passarg = opt_arg();
1198 case OPT_CERT_CHAIN:
1199 s_chain_file = opt_arg();
1205 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dcert_format))
1209 s_dcert_file = opt_arg();
1212 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dkey_format))
1216 dpassarg = opt_arg();
1219 s_dkey_file = opt_arg();
1221 case OPT_DCERT_CHAIN:
1222 s_dchain_file = opt_arg();
1233 case OPT_CHAINCAPATH:
1234 chCApath = opt_arg();
1236 case OPT_VERIFYCAPATH:
1237 vfyCApath = opt_arg();
1240 CAstore = opt_arg();
1245 case OPT_CHAINCASTORE:
1246 chCAstore = opt_arg();
1248 case OPT_VERIFYCASTORE:
1249 vfyCAstore = opt_arg();
1258 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1262 case OPT_S_NUM_TICKETS:
1263 case OPT_ANTI_REPLAY:
1264 case OPT_NO_ANTI_REPLAY:
1265 if (ssl_args == NULL)
1266 ssl_args = sk_OPENSSL_STRING_new_null();
1267 if (ssl_args == NULL
1268 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1269 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1270 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1275 if (!opt_verify(o, vpm))
1280 if (!args_excert(o, &exc))
1283 case OPT_VERIFY_RET_ERROR:
1284 verify_args.return_error = 1;
1286 case OPT_VERIFY_QUIET:
1287 verify_args.quiet = 1;
1289 case OPT_BUILD_CHAIN:
1298 case OPT_CHAINCAFILE:
1299 chCAfile = opt_arg();
1301 case OPT_VERIFYCAFILE:
1302 vfyCAfile = opt_arg();
1308 s_nbio = s_nbio_test = 1;
1313 case OPT_NO_IGN_EOF:
1319 case OPT_TLSEXTDEBUG:
1323 #ifndef OPENSSL_NO_OCSP
1327 case OPT_STATUS_VERBOSE:
1328 #ifndef OPENSSL_NO_OCSP
1329 s_tlsextstatus = tlscstatp.verbose = 1;
1332 case OPT_STATUS_TIMEOUT:
1333 #ifndef OPENSSL_NO_OCSP
1335 tlscstatp.timeout = atoi(opt_arg());
1338 case OPT_STATUS_URL:
1339 #ifndef OPENSSL_NO_OCSP
1341 if (!OSSL_HTTP_parse_url(opt_arg(), &tlscstatp.use_ssl, NULL,
1342 &tlscstatp.host, &tlscstatp.port, NULL,
1343 &tlscstatp.path, NULL, NULL)) {
1344 BIO_printf(bio_err, "Error parsing -status_url argument\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;
1387 case OPT_NO_RESUME_EPHEMERAL:
1388 no_resume_ephemeral = 1;
1390 case OPT_PSK_IDENTITY:
1391 psk_identity = opt_arg();
1394 #ifndef OPENSSL_NO_PSK
1395 psk_identity_hint = opt_arg();
1399 for (p = psk_key = opt_arg(); *p; p++) {
1400 if (isxdigit(_UC(*p)))
1402 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1407 psksessf = opt_arg();
1410 #ifndef OPENSSL_NO_SRP
1411 srp_verifier_file = opt_arg();
1412 if (min_version < TLS1_VERSION)
1413 min_version = TLS1_VERSION;
1416 case OPT_SRPUSERSEED:
1417 #ifndef OPENSSL_NO_SRP
1418 srpuserseed = opt_arg();
1419 if (min_version < TLS1_VERSION)
1420 min_version = TLS1_VERSION;
1435 case OPT_SSL_CONFIG:
1436 ssl_config = opt_arg();
1439 min_version = SSL3_VERSION;
1440 max_version = SSL3_VERSION;
1443 min_version = TLS1_3_VERSION;
1444 max_version = TLS1_3_VERSION;
1447 min_version = TLS1_2_VERSION;
1448 max_version = TLS1_2_VERSION;
1451 min_version = TLS1_1_VERSION;
1452 max_version = TLS1_1_VERSION;
1455 min_version = TLS1_VERSION;
1456 max_version = TLS1_VERSION;
1459 #ifndef OPENSSL_NO_DTLS
1460 meth = DTLS_server_method();
1461 socket_type = SOCK_DGRAM;
1465 #ifndef OPENSSL_NO_DTLS
1466 meth = DTLS_server_method();
1467 min_version = DTLS1_VERSION;
1468 max_version = DTLS1_VERSION;
1469 socket_type = SOCK_DGRAM;
1473 #ifndef OPENSSL_NO_DTLS
1474 meth = DTLS_server_method();
1475 min_version = DTLS1_2_VERSION;
1476 max_version = DTLS1_2_VERSION;
1477 socket_type = SOCK_DGRAM;
1481 #ifndef OPENSSL_NO_SCTP
1482 protocol = IPPROTO_SCTP;
1485 case OPT_SCTP_LABEL_BUG:
1486 #ifndef OPENSSL_NO_SCTP
1491 #ifndef OPENSSL_NO_DTLS
1492 enable_timeouts = 1;
1496 #ifndef OPENSSL_NO_DTLS
1497 socket_mtu = atol(opt_arg());
1501 #ifndef OPENSSL_NO_DTLS
1509 session_id_prefix = opt_arg();
1512 #ifndef OPENSSL_NO_ENGINE
1513 engine = setup_engine(opt_arg(), s_debug);
1520 case OPT_PROV_CASES:
1521 if (!opt_provider(o))
1524 case OPT_SERVERNAME:
1525 tlsextcbp.servername = opt_arg();
1527 case OPT_SERVERNAME_FATAL:
1528 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1531 s_cert_file2 = opt_arg();
1534 s_key_file2 = opt_arg();
1536 case OPT_NEXTPROTONEG:
1537 # ifndef OPENSSL_NO_NEXTPROTONEG
1538 next_proto_neg_in = opt_arg();
1542 alpn_in = opt_arg();
1544 case OPT_SRTP_PROFILES:
1545 #ifndef OPENSSL_NO_SRTP
1546 srtp_profiles = opt_arg();
1549 case OPT_KEYMATEXPORT:
1550 keymatexportlabel = opt_arg();
1552 case OPT_KEYMATEXPORTLEN:
1553 keymatexportlen = atoi(opt_arg());
1558 case OPT_MAX_SEND_FRAG:
1559 max_send_fragment = atoi(opt_arg());
1561 case OPT_SPLIT_SEND_FRAG:
1562 split_send_fragment = atoi(opt_arg());
1564 case OPT_MAX_PIPELINES:
1565 max_pipelines = atoi(opt_arg());
1568 read_buf_len = atoi(opt_arg());
1570 case OPT_KEYLOG_FILE:
1571 keylog_file = opt_arg();
1574 max_early_data = atoi(opt_arg());
1575 if (max_early_data < 0) {
1576 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1580 case OPT_RECV_MAX_EARLY:
1581 recv_max_early_data = atoi(opt_arg());
1582 if (recv_max_early_data < 0) {
1583 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1587 case OPT_EARLY_DATA:
1589 if (max_early_data == -1)
1590 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1592 case OPT_HTTP_SERVER_BINMODE:
1593 http_server_binmode = 1;
1599 #ifndef OPENSSL_NO_KTLS
1603 case OPT_IGNORE_UNEXPECTED_EOF:
1604 ignore_unexpected_eof = 1;
1609 /* No extra arguments. */
1610 argc = opt_num_rest();
1614 if (!app_RAND_load())
1617 #ifndef OPENSSL_NO_NEXTPROTONEG
1618 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1619 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1623 #ifndef OPENSSL_NO_DTLS
1624 if (www && socket_type == SOCK_DGRAM) {
1625 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1629 if (dtlslisten && socket_type != SOCK_DGRAM) {
1630 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1635 if (stateless && socket_type != SOCK_STREAM) {
1636 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1641 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1643 "Can't use unix sockets and datagrams together\n");
1647 if (early_data && (www > 0 || rev)) {
1649 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1653 #ifndef OPENSSL_NO_SCTP
1654 if (protocol == IPPROTO_SCTP) {
1655 if (socket_type != SOCK_DGRAM) {
1656 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1659 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1660 socket_type = SOCK_STREAM;
1664 #ifndef OPENSSL_NO_KTLS
1665 if (use_sendfile && www <= 1) {
1666 BIO_printf(bio_err, "Can't use -sendfile without -WWW or -HTTP\n");
1671 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1672 BIO_printf(bio_err, "Error getting password\n");
1676 if (s_key_file == NULL)
1677 s_key_file = s_cert_file;
1679 if (s_key_file2 == NULL)
1680 s_key_file2 = s_cert_file2;
1682 if (!load_excert(&exc))
1686 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1687 "server certificate private key");
1691 s_cert = load_cert_pass(s_cert_file, s_cert_format, 1, pass,
1692 "server certificate");
1696 if (s_chain_file != NULL) {
1697 if (!load_certs(s_chain_file, 0, &s_chain, NULL,
1698 "server certificate chain"))
1702 if (tlsextcbp.servername != NULL) {
1703 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1704 "second server certificate private key");
1708 s_cert2 = load_cert_pass(s_cert_file2, s_cert_format, 1, pass,
1709 "second server certificate");
1711 if (s_cert2 == NULL)
1715 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1716 if (next_proto_neg_in) {
1717 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1718 if (next_proto.data == NULL)
1722 alpn_ctx.data = NULL;
1724 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1725 if (alpn_ctx.data == NULL)
1729 if (crl_file != NULL) {
1731 crl = load_crl(crl_file, crl_format, 0, "CRL");
1734 crls = sk_X509_CRL_new_null();
1735 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1736 BIO_puts(bio_err, "Error adding CRL\n");
1737 ERR_print_errors(bio_err);
1743 if (s_dcert_file != NULL) {
1745 if (s_dkey_file == NULL)
1746 s_dkey_file = s_dcert_file;
1748 s_dkey = load_key(s_dkey_file, s_dkey_format,
1749 0, dpass, engine, "second certificate private key");
1753 s_dcert = load_cert_pass(s_dcert_file, s_dcert_format, 1, dpass,
1754 "second server certificate");
1756 if (s_dcert == NULL) {
1757 ERR_print_errors(bio_err);
1760 if (s_dchain_file != NULL) {
1761 if (!load_certs(s_dchain_file, 0, &s_dchain, NULL,
1762 "second server certificate chain"))
1768 if (bio_s_out == NULL) {
1769 if (s_quiet && !s_debug) {
1770 bio_s_out = BIO_new(BIO_s_null());
1771 if (s_msg && bio_s_msg == NULL)
1772 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1774 if (bio_s_out == NULL)
1775 bio_s_out = dup_bio_out(FORMAT_TEXT);
1781 s_dcert_file = NULL;
1783 s_cert_file2 = NULL;
1787 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
1789 ERR_print_errors(bio_err);
1793 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1796 ssl_ctx_security_debug(ctx, sdebug);
1798 if (!config_ctx(cctx, ssl_args, ctx))
1802 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1803 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1805 ERR_print_errors(bio_err);
1809 #ifndef OPENSSL_NO_SCTP
1810 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1811 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1814 if (min_version != 0
1815 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1817 if (max_version != 0
1818 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1821 if (session_id_prefix) {
1822 if (strlen(session_id_prefix) >= 32)
1824 "warning: id_prefix is too long, only one new session will be possible\n");
1825 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1826 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1827 ERR_print_errors(bio_err);
1830 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1833 ssl_ctx_set_excert(ctx, exc);
1836 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1838 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1840 init_session_cache_ctx(ctx);
1842 SSL_CTX_sess_set_cache_size(ctx, 128);
1845 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1849 SSL_CTX_set_options(ctx, SSL_OP_DISABLE_TLSEXT_CA_NAMES);
1852 if (ignore_unexpected_eof)
1853 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1855 if (max_send_fragment > 0
1856 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1857 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1858 prog, max_send_fragment);
1862 if (split_send_fragment > 0
1863 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1864 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1865 prog, split_send_fragment);
1868 if (max_pipelines > 0
1869 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1870 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1871 prog, max_pipelines);
1875 if (read_buf_len > 0) {
1876 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1878 #ifndef OPENSSL_NO_SRTP
1879 if (srtp_profiles != NULL) {
1880 /* Returns 0 on success! */
1881 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1882 BIO_printf(bio_err, "Error setting SRTP profile\n");
1883 ERR_print_errors(bio_err);
1889 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1890 CAstore, noCAstore)) {
1891 ERR_print_errors(bio_err);
1894 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1895 BIO_printf(bio_err, "Error setting verify params\n");
1896 ERR_print_errors(bio_err);
1900 ssl_ctx_add_crls(ctx, crls, 0);
1902 if (!ssl_load_stores(ctx,
1903 vfyCApath, vfyCAfile, vfyCAstore,
1904 chCApath, chCAfile, chCAstore,
1905 crls, crl_download)) {
1906 BIO_printf(bio_err, "Error loading store locations\n");
1907 ERR_print_errors(bio_err);
1912 ctx2 = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
1914 ERR_print_errors(bio_err);
1920 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1923 ssl_ctx_security_debug(ctx2, sdebug);
1925 if (session_id_prefix) {
1926 if (strlen(session_id_prefix) >= 32)
1928 "warning: id_prefix is too long, only one new session will be possible\n");
1929 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1930 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1931 ERR_print_errors(bio_err);
1934 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1937 ssl_ctx_set_excert(ctx2, exc);
1940 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1943 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1945 init_session_cache_ctx(ctx2);
1947 SSL_CTX_sess_set_cache_size(ctx2, 128);
1950 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1952 if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath,
1953 noCApath, CAstore, noCAstore)) {
1954 ERR_print_errors(bio_err);
1957 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1958 BIO_printf(bio_err, "Error setting verify params\n");
1959 ERR_print_errors(bio_err);
1963 ssl_ctx_add_crls(ctx2, crls, 0);
1964 if (!config_ctx(cctx, ssl_args, ctx2))
1967 #ifndef OPENSSL_NO_NEXTPROTONEG
1968 if (next_proto.data)
1969 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1973 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1976 EVP_PKEY *dhpkey = NULL;
1979 dhpkey = load_keyparams(dhfile, FORMAT_UNDEF, 0, "DH", "DH parameters");
1980 else if (s_cert_file != NULL)
1981 dhpkey = load_keyparams(s_cert_file, FORMAT_UNDEF, 0, "DH", "DH parameters");
1983 if (dhpkey != NULL) {
1984 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1986 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1988 (void)BIO_flush(bio_s_out);
1990 if (dhpkey == NULL) {
1991 SSL_CTX_set_dh_auto(ctx, 1);
1994 * We need 2 references: one for use by ctx and one for use by
1997 if (!EVP_PKEY_up_ref(dhpkey)) {
1998 EVP_PKEY_free(dhpkey);
2001 if (!SSL_CTX_set0_tmp_dh_pkey(ctx, dhpkey)) {
2002 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2003 ERR_print_errors(bio_err);
2004 /* Free 2 references */
2005 EVP_PKEY_free(dhpkey);
2006 EVP_PKEY_free(dhpkey);
2012 if (dhfile != NULL) {
2013 EVP_PKEY *dhpkey2 = load_keyparams(s_cert_file2, FORMAT_UNDEF,
2017 if (dhpkey2 != NULL) {
2018 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2019 (void)BIO_flush(bio_s_out);
2021 EVP_PKEY_free(dhpkey);
2025 if (dhpkey == NULL) {
2026 SSL_CTX_set_dh_auto(ctx2, 1);
2027 } else if (!SSL_CTX_set0_tmp_dh_pkey(ctx2, dhpkey)) {
2028 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2029 ERR_print_errors(bio_err);
2030 EVP_PKEY_free(dhpkey);
2035 EVP_PKEY_free(dhpkey);
2038 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2041 if (s_serverinfo_file != NULL
2042 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2043 ERR_print_errors(bio_err);
2048 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
2051 if (s_dcert != NULL) {
2052 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2056 if (no_resume_ephemeral) {
2057 SSL_CTX_set_not_resumable_session_callback(ctx,
2058 not_resumable_sess_cb);
2061 SSL_CTX_set_not_resumable_session_callback(ctx2,
2062 not_resumable_sess_cb);
2064 #ifndef OPENSSL_NO_PSK
2065 if (psk_key != NULL) {
2067 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2068 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2071 if (psk_identity_hint != NULL) {
2072 if (min_version == TLS1_3_VERSION) {
2073 BIO_printf(bio_s_out, "PSK warning: there is NO identity hint in TLSv1.3\n");
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);
2083 if (psksessf != NULL) {
2084 BIO *stmp = BIO_new_file(psksessf, "r");
2087 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2088 ERR_print_errors(bio_err);
2091 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2093 if (psksess == NULL) {
2094 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2095 ERR_print_errors(bio_err);
2101 if (psk_key != NULL || psksess != NULL)
2102 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2104 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2105 if (!SSL_CTX_set_session_id_context(ctx,
2106 (void *)&s_server_session_id_context,
2107 sizeof(s_server_session_id_context))) {
2108 BIO_printf(bio_err, "error setting session id context\n");
2109 ERR_print_errors(bio_err);
2113 /* Set DTLS cookie generation and verification callbacks */
2114 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2115 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2117 /* Set TLS1.3 cookie generation and verification callbacks */
2118 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2119 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2122 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2123 if (!SSL_CTX_set_session_id_context(ctx2,
2124 (void *)&s_server_session_id_context,
2125 sizeof(s_server_session_id_context))) {
2126 BIO_printf(bio_err, "error setting session id context\n");
2127 ERR_print_errors(bio_err);
2130 tlsextcbp.biodebug = bio_s_out;
2131 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2132 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2133 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2134 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2137 #ifndef OPENSSL_NO_SRP
2138 if (srp_verifier_file != NULL) {
2139 if (!set_up_srp_verifier_file(ctx, &srp_callback_parm, srpuserseed,
2144 if (CAfile != NULL) {
2145 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2148 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2150 #ifndef OPENSSL_NO_OCSP
2151 if (s_tlsextstatus) {
2152 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2153 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2155 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2156 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2160 if (set_keylog_file(ctx, keylog_file))
2163 if (max_early_data >= 0)
2164 SSL_CTX_set_max_early_data(ctx, max_early_data);
2165 if (recv_max_early_data >= 0)
2166 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2169 server_cb = rev_body;
2171 server_cb = www_body;
2173 server_cb = sv_body;
2175 if (socket_family == AF_UNIX
2176 && unlink_unix_path)
2179 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2180 server_cb, context, naccept, bio_s_out);
2181 print_stats(bio_s_out, ctx);
2185 SSL_SESSION_free(psksess);
2186 set_keylog_file(NULL, NULL);
2188 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2190 EVP_PKEY_free(s_key);
2191 EVP_PKEY_free(s_dkey);
2192 sk_X509_pop_free(s_chain, X509_free);
2193 sk_X509_pop_free(s_dchain, X509_free);
2195 OPENSSL_free(dpass);
2198 X509_VERIFY_PARAM_free(vpm);
2200 OPENSSL_free(tlscstatp.host);
2201 OPENSSL_free(tlscstatp.port);
2202 OPENSSL_free(tlscstatp.path);
2205 EVP_PKEY_free(s_key2);
2206 #ifndef OPENSSL_NO_NEXTPROTONEG
2207 OPENSSL_free(next_proto.data);
2209 OPENSSL_free(alpn_ctx.data);
2210 ssl_excert_free(exc);
2211 sk_OPENSSL_STRING_free(ssl_args);
2212 SSL_CONF_CTX_free(cctx);
2213 release_engine(engine);
2214 BIO_free(bio_s_out);
2216 BIO_free(bio_s_msg);
2218 #ifdef CHARSET_EBCDIC
2219 BIO_meth_free(methods_ebcdic);
2224 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2226 BIO_printf(bio, "%4ld items in the session cache\n",
2227 SSL_CTX_sess_number(ssl_ctx));
2228 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2229 SSL_CTX_sess_connect(ssl_ctx));
2230 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2231 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2232 BIO_printf(bio, "%4ld client connects that finished\n",
2233 SSL_CTX_sess_connect_good(ssl_ctx));
2234 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2235 SSL_CTX_sess_accept(ssl_ctx));
2236 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2237 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2238 BIO_printf(bio, "%4ld server accepts that finished\n",
2239 SSL_CTX_sess_accept_good(ssl_ctx));
2240 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2241 BIO_printf(bio, "%4ld session cache misses\n",
2242 SSL_CTX_sess_misses(ssl_ctx));
2243 BIO_printf(bio, "%4ld session cache timeouts\n",
2244 SSL_CTX_sess_timeouts(ssl_ctx));
2245 BIO_printf(bio, "%4ld callback cache hits\n",
2246 SSL_CTX_sess_cb_hits(ssl_ctx));
2247 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2248 SSL_CTX_sess_cache_full(ssl_ctx),
2249 SSL_CTX_sess_get_cache_size(ssl_ctx));
2252 static int sv_body(int s, int stype, int prot, unsigned char *context)
2261 struct timeval timeout;
2262 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2263 struct timeval *timeoutp;
2265 #ifndef OPENSSL_NO_DTLS
2266 # ifndef OPENSSL_NO_SCTP
2267 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2269 int isdtls = (stype == SOCK_DGRAM);
2273 buf = app_malloc(bufsize, "server buffer");
2275 if (!BIO_socket_nbio(s, 1))
2276 ERR_print_errors(bio_err);
2278 BIO_printf(bio_err, "Turned on non blocking io\n");
2287 if (s_tlsextdebug) {
2288 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2289 SSL_set_tlsext_debug_arg(con, bio_s_out);
2293 && !SSL_set_session_id_context(con, context,
2294 strlen((char *)context))) {
2295 BIO_printf(bio_err, "Error setting session id context\n");
2300 if (!SSL_clear(con)) {
2301 BIO_printf(bio_err, "Error clearing SSL connection\n");
2305 #ifndef OPENSSL_NO_DTLS
2307 # ifndef OPENSSL_NO_SCTP
2308 if (prot == IPPROTO_SCTP)
2309 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2312 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2314 if (enable_timeouts) {
2316 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2317 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2320 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2321 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2325 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2326 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2327 DTLS_get_link_min_mtu(con));
2332 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2333 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2334 BIO_printf(bio_err, "Failed to set MTU\n");
2340 /* want to do MTU discovery */
2341 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2343 # ifndef OPENSSL_NO_SCTP
2344 if (prot != IPPROTO_SCTP)
2346 /* Turn on cookie exchange. Not necessary for SCTP */
2347 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2350 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2353 BIO_printf(bio_err, "Unable to create BIO\n");
2354 ERR_print_errors(bio_err);
2361 test = BIO_new(BIO_f_nbio_test());
2362 sbio = BIO_push(test, sbio);
2365 SSL_set_bio(con, sbio, sbio);
2366 SSL_set_accept_state(con);
2367 /* SSL_set_fd(con,s); */
2370 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2371 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2374 #ifndef OPENSSL_NO_SSL_TRACE
2376 SSL_set_msg_callback(con, SSL_trace);
2379 SSL_set_msg_callback(con, msg_cb);
2380 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2383 if (s_tlsextdebug) {
2384 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2385 SSL_set_tlsext_debug_arg(con, bio_s_out);
2389 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2392 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2394 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2395 if (edret != SSL_READ_EARLY_DATA_ERROR)
2398 switch (SSL_get_error(con, 0)) {
2399 case SSL_ERROR_WANT_WRITE:
2400 case SSL_ERROR_WANT_ASYNC:
2401 case SSL_ERROR_WANT_READ:
2402 /* Just keep trying - busy waiting */
2405 BIO_printf(bio_err, "Error reading early data\n");
2406 ERR_print_errors(bio_err);
2410 if (readbytes > 0) {
2412 BIO_printf(bio_s_out, "Early data received:\n");
2415 raw_write_stdout(buf, (unsigned int)readbytes);
2416 (void)BIO_flush(bio_s_out);
2420 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2421 BIO_printf(bio_s_out, "No early data received\n");
2423 BIO_printf(bio_s_out, "Early data was rejected\n");
2425 BIO_printf(bio_s_out, "\nEnd of early data\n");
2427 if (SSL_is_init_finished(con))
2428 print_connection_info(con);
2431 if (fileno_stdin() > s)
2432 width = fileno_stdin() + 1;
2436 int read_from_terminal;
2437 int read_from_sslcon;
2439 read_from_terminal = 0;
2440 read_from_sslcon = SSL_has_pending(con)
2441 || (async && SSL_waiting_for_async(con));
2443 if (!read_from_sslcon) {
2445 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2446 openssl_fdset(fileno_stdin(), &readfds);
2448 openssl_fdset(s, &readfds);
2450 * Note: under VMS with SOCKETSHR the second parameter is
2451 * currently of type (int *) whereas under other systems it is
2452 * (void *) if you don't have a cast it will choke the compiler:
2453 * if you do have a cast then you can either go for (int *) or
2456 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2458 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2459 * only on sockets. As a workaround we timeout the select every
2460 * second and check for any keypress. In a proper Windows
2461 * application we wouldn't do this because it is inefficient.
2464 timeout.tv_usec = 0;
2465 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2466 if (has_stdin_waiting())
2467 read_from_terminal = 1;
2468 if ((i < 0) || (!i && !read_from_terminal))
2471 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2472 timeoutp = &timeout;
2476 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2478 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2479 BIO_printf(bio_err, "TIMEOUT occurred\n");
2483 if (FD_ISSET(fileno_stdin(), &readfds))
2484 read_from_terminal = 1;
2486 if (FD_ISSET(s, &readfds))
2487 read_from_sslcon = 1;
2489 if (read_from_terminal) {
2493 i = raw_read_stdin(buf, bufsize / 2);
2495 /* both loops are skipped when i <= 0 */
2496 for (j = 0; j < i; j++)
2499 for (j = i - 1; j >= 0; j--) {
2500 buf[j + lf_num] = buf[j];
2501 if (buf[j] == '\n') {
2504 buf[j + lf_num] = '\r';
2507 assert(lf_num == 0);
2509 i = raw_read_stdin(buf, bufsize);
2512 if (!s_quiet && !s_brief) {
2513 if ((i <= 0) || (buf[0] == 'Q')) {
2514 BIO_printf(bio_s_out, "DONE\n");
2515 (void)BIO_flush(bio_s_out);
2517 close_accept_socket();
2521 if ((i <= 0) || (buf[0] == 'q')) {
2522 BIO_printf(bio_s_out, "DONE\n");
2523 (void)BIO_flush(bio_s_out);
2524 if (SSL_version(con) != DTLS1_VERSION)
2527 * close_accept_socket(); ret= -11;
2531 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2532 SSL_renegotiate(con);
2533 i = SSL_do_handshake(con);
2534 printf("SSL_do_handshake -> %d\n", i);
2538 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2540 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2542 SSL_renegotiate(con);
2543 i = SSL_do_handshake(con);
2544 printf("SSL_do_handshake -> %d\n", i);
2548 if ((buf[0] == 'K' || buf[0] == 'k')
2549 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2550 SSL_key_update(con, buf[0] == 'K' ?
2551 SSL_KEY_UPDATE_REQUESTED
2552 : SSL_KEY_UPDATE_NOT_REQUESTED);
2553 i = SSL_do_handshake(con);
2554 printf("SSL_do_handshake -> %d\n", i);
2558 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2559 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2560 i = SSL_verify_client_post_handshake(con);
2562 printf("Failed to initiate request\n");
2563 ERR_print_errors(bio_err);
2565 i = SSL_do_handshake(con);
2566 printf("SSL_do_handshake -> %d\n", i);
2571 if (buf[0] == 'P') {
2572 static const char str[] = "Lets print some clear text\n";
2573 BIO_write(SSL_get_wbio(con), str, sizeof(str) -1);
2575 if (buf[0] == 'S') {
2576 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2579 #ifdef CHARSET_EBCDIC
2580 ebcdic2ascii(buf, buf, i);
2584 /* should do a select for the write */
2587 if (++count == 100) {
2589 SSL_renegotiate(con);
2592 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2593 #ifndef OPENSSL_NO_SRP
2594 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2595 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2597 lookup_srp_user(&srp_callback_parm, bio_s_out);
2599 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2602 switch (SSL_get_error(con, k)) {
2603 case SSL_ERROR_NONE:
2605 case SSL_ERROR_WANT_ASYNC:
2606 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2607 (void)BIO_flush(bio_s_out);
2608 wait_for_async(con);
2610 case SSL_ERROR_WANT_WRITE:
2611 case SSL_ERROR_WANT_READ:
2612 case SSL_ERROR_WANT_X509_LOOKUP:
2613 BIO_printf(bio_s_out, "Write BLOCK\n");
2614 (void)BIO_flush(bio_s_out);
2616 case SSL_ERROR_WANT_ASYNC_JOB:
2618 * This shouldn't ever happen in s_server. Treat as an error
2620 case SSL_ERROR_SYSCALL:
2622 BIO_printf(bio_s_out, "ERROR\n");
2623 (void)BIO_flush(bio_s_out);
2624 ERR_print_errors(bio_err);
2628 case SSL_ERROR_ZERO_RETURN:
2629 BIO_printf(bio_s_out, "DONE\n");
2630 (void)BIO_flush(bio_s_out);
2642 if (read_from_sslcon) {
2644 * init_ssl_connection handles all async events itself so if we're
2645 * waiting for async then we shouldn't go back into
2646 * init_ssl_connection
2648 if ((!async || !SSL_waiting_for_async(con))
2649 && !SSL_is_init_finished(con)) {
2650 i = init_ssl_connection(con);
2655 } else if (i == 0) {
2661 i = SSL_read(con, (char *)buf, bufsize);
2662 #ifndef OPENSSL_NO_SRP
2663 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2664 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2666 lookup_srp_user(&srp_callback_parm, bio_s_out);
2668 i = SSL_read(con, (char *)buf, bufsize);
2671 switch (SSL_get_error(con, i)) {
2672 case SSL_ERROR_NONE:
2673 #ifdef CHARSET_EBCDIC
2674 ascii2ebcdic(buf, buf, i);
2676 raw_write_stdout(buf, (unsigned int)i);
2677 (void)BIO_flush(bio_s_out);
2678 if (SSL_has_pending(con))
2681 case SSL_ERROR_WANT_ASYNC:
2682 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2683 (void)BIO_flush(bio_s_out);
2684 wait_for_async(con);
2686 case SSL_ERROR_WANT_WRITE:
2687 case SSL_ERROR_WANT_READ:
2688 BIO_printf(bio_s_out, "Read BLOCK\n");
2689 (void)BIO_flush(bio_s_out);
2691 case SSL_ERROR_WANT_ASYNC_JOB:
2693 * This shouldn't ever happen in s_server. Treat as an error
2695 case SSL_ERROR_SYSCALL:
2697 BIO_printf(bio_s_out, "ERROR\n");
2698 (void)BIO_flush(bio_s_out);
2699 ERR_print_errors(bio_err);
2702 case SSL_ERROR_ZERO_RETURN:
2703 BIO_printf(bio_s_out, "DONE\n");
2704 (void)BIO_flush(bio_s_out);
2713 BIO_printf(bio_s_out, "shutting down SSL\n");
2714 do_ssl_shutdown(con);
2717 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2718 OPENSSL_clear_free(buf, bufsize);
2722 static void close_accept_socket(void)
2724 BIO_printf(bio_err, "shutdown accept socket\n");
2725 if (accept_socket >= 0) {
2726 BIO_closesocket(accept_socket);
2730 static int is_retryable(SSL *con, int i)
2732 int err = SSL_get_error(con, i);
2734 /* If it's not a fatal error, it must be retryable */
2735 return (err != SSL_ERROR_SSL)
2736 && (err != SSL_ERROR_SYSCALL)
2737 && (err != SSL_ERROR_ZERO_RETURN);
2740 static int init_ssl_connection(SSL *con)
2746 if (dtlslisten || stateless) {
2747 BIO_ADDR *client = NULL;
2750 if ((client = BIO_ADDR_new()) == NULL) {
2751 BIO_printf(bio_err, "ERROR - memory\n");
2754 i = DTLSv1_listen(con, client);
2756 i = SSL_stateless(con);
2763 wbio = SSL_get_wbio(con);
2765 BIO_get_fd(wbio, &fd);
2768 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2769 BIO_printf(bio_err, "ERROR - unable to connect\n");
2770 BIO_ADDR_free(client);
2774 (void)BIO_ctrl_set_connected(wbio, client);
2775 BIO_ADDR_free(client);
2780 i = SSL_accept(con);
2782 BIO_ADDR_free(client);
2786 i = SSL_accept(con);
2789 retry = is_retryable(con, i);
2790 #ifdef CERT_CB_TEST_RETRY
2793 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2794 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2796 "LOOKUP from certificate callback during accept\n");
2797 i = SSL_accept(con);
2799 retry = is_retryable(con, i);
2804 #ifndef OPENSSL_NO_SRP
2806 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2807 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2808 srp_callback_parm.login);
2810 lookup_srp_user(&srp_callback_parm, bio_s_out);
2812 i = SSL_accept(con);
2814 retry = is_retryable(con, i);
2817 } while (i < 0 && SSL_waiting_for_async(con));
2821 if (((dtlslisten || stateless) && i == 0)
2822 || (!dtlslisten && !stateless && retry)) {
2823 BIO_printf(bio_s_out, "DELAY\n");
2827 BIO_printf(bio_err, "ERROR\n");
2829 verify_err = SSL_get_verify_result(con);
2830 if (verify_err != X509_V_OK) {
2831 BIO_printf(bio_err, "verify error:%s\n",
2832 X509_verify_cert_error_string(verify_err));
2834 /* Always print any error messages */
2835 ERR_print_errors(bio_err);
2839 print_connection_info(con);
2843 static void print_connection_info(SSL *con)
2848 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2849 const unsigned char *next_proto_neg;
2850 unsigned next_proto_neg_len;
2852 unsigned char *exportedkeymat;
2856 print_ssl_summary(con);
2858 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2860 peer = SSL_get0_peer_certificate(con);
2862 BIO_printf(bio_s_out, "Client certificate\n");
2863 PEM_write_bio_X509(bio_s_out, peer);
2864 dump_cert_text(bio_s_out, peer);
2868 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2869 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2870 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2871 ssl_print_sigalgs(bio_s_out, con);
2872 #ifndef OPENSSL_NO_EC
2873 ssl_print_point_formats(bio_s_out, con);
2874 ssl_print_groups(bio_s_out, con, 0);
2876 print_ca_names(bio_s_out, con);
2877 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2879 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2880 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2881 if (next_proto_neg) {
2882 BIO_printf(bio_s_out, "NEXTPROTO is ");
2883 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2884 BIO_printf(bio_s_out, "\n");
2887 #ifndef OPENSSL_NO_SRTP
2889 SRTP_PROTECTION_PROFILE *srtp_profile
2890 = SSL_get_selected_srtp_profile(con);
2893 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2894 srtp_profile->name);
2897 if (SSL_session_reused(con))
2898 BIO_printf(bio_s_out, "Reused session-id\n");
2899 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2900 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2901 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2902 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2904 if (keymatexportlabel != NULL) {
2905 BIO_printf(bio_s_out, "Keying material exporter:\n");
2906 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2907 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2908 exportedkeymat = app_malloc(keymatexportlen, "export key");
2909 if (!SSL_export_keying_material(con, exportedkeymat,
2912 strlen(keymatexportlabel),
2914 BIO_printf(bio_s_out, " Error\n");
2916 BIO_printf(bio_s_out, " Keying material: ");
2917 for (i = 0; i < keymatexportlen; i++)
2918 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2919 BIO_printf(bio_s_out, "\n");
2921 OPENSSL_free(exportedkeymat);
2923 #ifndef OPENSSL_NO_KTLS
2924 if (BIO_get_ktls_send(SSL_get_wbio(con)))
2925 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
2926 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
2927 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
2930 (void)BIO_flush(bio_s_out);
2933 static int www_body(int s, int stype, int prot, unsigned char *context)
2939 const SSL_CIPHER *c;
2940 BIO *io, *ssl_bio, *sbio;
2942 int total_bytes = 0;
2948 /* Set width for a select call if needed */
2951 buf = app_malloc(bufsize, "server www buffer");
2952 io = BIO_new(BIO_f_buffer());
2953 ssl_bio = BIO_new(BIO_f_ssl());
2954 if ((io == NULL) || (ssl_bio == NULL))
2958 if (!BIO_socket_nbio(s, 1))
2959 ERR_print_errors(bio_err);
2961 BIO_printf(bio_err, "Turned on non blocking io\n");
2964 /* lets make the output buffer a reasonable size */
2965 if (!BIO_set_write_buffer_size(io, bufsize))
2968 if ((con = SSL_new(ctx)) == NULL)
2971 if (s_tlsextdebug) {
2972 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2973 SSL_set_tlsext_debug_arg(con, bio_s_out);
2977 && !SSL_set_session_id_context(con, context,
2978 strlen((char *)context))) {
2983 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2987 test = BIO_new(BIO_f_nbio_test());
2988 sbio = BIO_push(test, sbio);
2990 SSL_set_bio(con, sbio, sbio);
2991 SSL_set_accept_state(con);
2993 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
2994 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2995 BIO_push(io, ssl_bio);
2996 #ifdef CHARSET_EBCDIC
2997 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3001 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3002 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3005 #ifndef OPENSSL_NO_SSL_TRACE
3007 SSL_set_msg_callback(con, SSL_trace);
3010 SSL_set_msg_callback(con, msg_cb);
3011 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3015 i = BIO_gets(io, buf, bufsize - 1);
3016 if (i < 0) { /* error */
3017 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3019 ERR_print_errors(bio_err);
3022 BIO_printf(bio_s_out, "read R BLOCK\n");
3023 #ifndef OPENSSL_NO_SRP
3024 if (BIO_should_io_special(io)
3025 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3026 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3028 lookup_srp_user(&srp_callback_parm, bio_s_out);
3033 #if !defined(OPENSSL_SYS_MSDOS)
3038 } else if (i == 0) { /* end of input */
3043 /* else we have data */
3044 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3045 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3048 STACK_OF(SSL_CIPHER) *sk;
3049 static const char *space = " ";
3051 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3052 if (strncmp("GET /renegcert", buf, 14) == 0)
3054 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3056 i = SSL_renegotiate(con);
3057 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3058 /* Send the HelloRequest */
3059 i = SSL_do_handshake(con);
3061 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3062 SSL_get_error(con, i));
3063 ERR_print_errors(bio_err);
3066 /* Wait for a ClientHello to come back */
3068 openssl_fdset(s, &readfds);
3069 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3070 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3071 BIO_printf(bio_s_out,
3072 "Error waiting for client response\n");
3073 ERR_print_errors(bio_err);
3077 * We're not actually expecting any data here and we ignore
3078 * any that is sent. This is just to force the handshake that
3079 * we're expecting to come from the client. If they haven't
3080 * sent one there's not much we can do.
3082 BIO_gets(io, buf, bufsize - 1);
3086 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3087 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3088 BIO_puts(io, "<pre>\n");
3089 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3091 for (i = 0; i < local_argc; i++) {
3093 for (myp = local_argv[i]; *myp; myp++)
3096 BIO_puts(io, "<");
3099 BIO_puts(io, ">");
3102 BIO_puts(io, "&");
3105 BIO_write(io, myp, 1);
3108 BIO_write(io, " ", 1);
3113 "Secure Renegotiation IS%s supported\n",
3114 SSL_get_secure_renegotiation_support(con) ?
3118 * The following is evil and should not really be done
3120 BIO_printf(io, "Ciphers supported in s_server binary\n");
3121 sk = SSL_get_ciphers(con);
3122 j = sk_SSL_CIPHER_num(sk);
3123 for (i = 0; i < j; i++) {
3124 c = sk_SSL_CIPHER_value(sk, i);
3125 BIO_printf(io, "%-11s:%-25s ",
3126 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3127 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3131 p = SSL_get_shared_ciphers(con, buf, bufsize);
3134 "---\nCiphers common between both SSL end points:\n");
3138 BIO_write(io, space, 26 - j);
3141 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3143 BIO_write(io, p, 1);
3150 ssl_print_sigalgs(io, con);
3151 #ifndef OPENSSL_NO_EC
3152 ssl_print_groups(io, con, 0);
3154 print_ca_names(io, con);
3155 BIO_printf(io, (SSL_session_reused(con)
3156 ? "---\nReused, " : "---\nNew, "));
3157 c = SSL_get_current_cipher(con);
3158 BIO_printf(io, "%s, Cipher is %s\n",
3159 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3160 SSL_SESSION_print(io, SSL_get_session(con));
3161 BIO_printf(io, "---\n");
3162 print_stats(io, SSL_get_SSL_CTX(con));
3163 BIO_printf(io, "---\n");
3164 peer = SSL_get0_peer_certificate(con);
3166 BIO_printf(io, "Client certificate\n");
3167 X509_print(io, peer);
3168 PEM_write_bio_X509(io, peer);
3171 BIO_puts(io, "no client certificate available\n");
3173 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3175 } else if ((www == 2 || www == 3)
3176 && (strncmp("GET /", buf, 5) == 0)) {
3179 static const char *text =
3180 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3186 for (e = p; *e != '\0'; e++) {
3191 /* Windows drive. We treat this the same way as ".." */
3198 dot = (e[0] == '.') ? 2 : 0;
3201 dot = (e[0] == '.') ? 3 : 0;
3204 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
3208 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
3210 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3215 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3222 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
3226 if (*p == '/' || *p == '\\') {
3228 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3232 /* if a directory, do the index thang */
3233 if (app_isdir(p) > 0) {
3235 BIO_printf(io, "'%s' is a directory\r\n", p);
3239 opmode = (http_server_binmode == 1) ? "rb" : "r";
3240 if ((file = BIO_new_file(p, opmode)) == NULL) {
3242 BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
3243 ERR_print_errors(io);
3248 BIO_printf(bio_err, "FILE:%s\n", p);
3252 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3253 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3254 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3256 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3259 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3262 #ifndef OPENSSL_NO_KTLS
3270 BIO_get_fp(file, &fp);
3272 if (fstat(fd, &st) < 0) {
3273 BIO_printf(io, "Error fstat '%s'\r\n", p);
3274 ERR_print_errors(io);
3278 filesize = st.st_size;
3279 if (((int)BIO_flush(io)) < 0)
3283 i = SSL_sendfile(con, fd, offset, filesize, 0);
3285 BIO_printf(io, "Error SSL_sendfile '%s'\r\n", p);
3286 ERR_print_errors(io);
3293 if (filesize <= 0) {
3295 BIO_printf(bio_err, "KTLS SENDFILE '%s' OK\n", p);
3304 i = BIO_read(file, buf, bufsize);
3310 BIO_printf(bio_err, "%d\n", i);
3311 if (total_bytes > 3 * 1024) {
3313 BIO_printf(bio_err, "RENEGOTIATE\n");
3314 SSL_renegotiate(con);
3318 for (j = 0; j < i;) {
3322 SSL_renegotiate(con);
3324 k = BIO_write(io, &(buf[j]), i - j);
3326 if (!BIO_should_retry(io)
3327 && !SSL_waiting_for_async(con)) {
3330 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3345 i = (int)BIO_flush(io);
3347 if (!BIO_should_retry(io))
3353 /* make sure we re-use sessions */
3354 do_ssl_shutdown(con);
3362 static int rev_body(int s, int stype, int prot, unsigned char *context)
3368 BIO *io, *ssl_bio, *sbio;
3370 buf = app_malloc(bufsize, "server rev buffer");
3371 io = BIO_new(BIO_f_buffer());
3372 ssl_bio = BIO_new(BIO_f_ssl());
3373 if ((io == NULL) || (ssl_bio == NULL))
3376 /* lets make the output buffer a reasonable size */
3377 if (!BIO_set_write_buffer_size(io, bufsize))
3380 if ((con = SSL_new(ctx)) == NULL)
3383 if (s_tlsextdebug) {
3384 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3385 SSL_set_tlsext_debug_arg(con, bio_s_out);
3388 && !SSL_set_session_id_context(con, context,
3389 strlen((char *)context))) {
3391 ERR_print_errors(bio_err);
3395 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3396 SSL_set_bio(con, sbio, sbio);
3397 SSL_set_accept_state(con);
3399 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3400 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3401 BIO_push(io, ssl_bio);
3402 #ifdef CHARSET_EBCDIC
3403 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3407 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3408 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3411 #ifndef OPENSSL_NO_SSL_TRACE
3413 SSL_set_msg_callback(con, SSL_trace);
3416 SSL_set_msg_callback(con, msg_cb);
3417 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3421 i = BIO_do_handshake(io);
3424 if (!BIO_should_retry(io)) {
3425 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3426 ERR_print_errors(bio_err);
3429 #ifndef OPENSSL_NO_SRP
3430 if (BIO_should_io_special(io)
3431 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3432 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3434 lookup_srp_user(&srp_callback_parm, bio_s_out);
3440 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3441 print_ssl_summary(con);
3444 i = BIO_gets(io, buf, bufsize - 1);
3445 if (i < 0) { /* error */
3446 if (!BIO_should_retry(io)) {
3448 ERR_print_errors(bio_err);
3451 BIO_printf(bio_s_out, "read R BLOCK\n");
3452 #ifndef OPENSSL_NO_SRP
3453 if (BIO_should_io_special(io)
3454 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3455 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3457 lookup_srp_user(&srp_callback_parm, bio_s_out);
3462 #if !defined(OPENSSL_SYS_MSDOS)
3467 } else if (i == 0) { /* end of input */
3469 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3472 char *p = buf + i - 1;
3473 while (i && (*p == '\n' || *p == '\r')) {
3477 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3479 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3482 BUF_reverse((unsigned char *)buf, NULL, i);
3484 BIO_write(io, buf, i + 1);
3489 if (!BIO_should_retry(io))
3495 /* make sure we re-use sessions */
3496 do_ssl_shutdown(con);
3505 #define MAX_SESSION_ID_ATTEMPTS 10
3506 static int generate_session_id(SSL *ssl, unsigned char *id,
3507 unsigned int *id_len)
3509 unsigned int count = 0;
3510 unsigned int session_id_prefix_len = strlen(session_id_prefix);
3513 if (RAND_bytes(id, *id_len) <= 0)
3516 * Prefix the session_id with the required prefix. NB: If our prefix
3517 * is too long, clip it - but there will be worse effects anyway, eg.
3518 * the server could only possibly create 1 session ID (ie. the
3519 * prefix!) so all future session negotiations will fail due to
3522 memcpy(id, session_id_prefix,
3523 (session_id_prefix_len < *id_len) ?
3524 session_id_prefix_len : *id_len);
3526 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3527 (++count < MAX_SESSION_ID_ATTEMPTS));
3528 if (count >= MAX_SESSION_ID_ATTEMPTS)
3534 * By default s_server uses an in-memory cache which caches SSL_SESSION
3535 * structures without any serialization. This hides some bugs which only
3536 * become apparent in deployed servers. By implementing a basic external
3537 * session cache some issues can be debugged using s_server.
3540 typedef struct simple_ssl_session_st {
3545 struct simple_ssl_session_st *next;
3546 } simple_ssl_session;
3548 static simple_ssl_session *first = NULL;
3550 static int add_session(SSL *ssl, SSL_SESSION *session)
3552 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3555 SSL_SESSION_get_id(session, &sess->idlen);
3556 sess->derlen = i2d_SSL_SESSION(session, NULL);
3557 if (sess->derlen < 0) {
3558 BIO_printf(bio_err, "Error encoding session\n");
3563 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3564 sess->der = app_malloc(sess->derlen, "get session buffer");
3566 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3567 OPENSSL_free(sess->id);
3568 OPENSSL_free(sess->der);
3574 /* Assume it still works. */
3575 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3576 BIO_printf(bio_err, "Unexpected session encoding length\n");
3577 OPENSSL_free(sess->id);
3578 OPENSSL_free(sess->der);
3585 BIO_printf(bio_err, "New session added to external cache\n");
3589 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3592 simple_ssl_session *sess;
3594 for (sess = first; sess; sess = sess->next) {
3595 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3596 const unsigned char *p = sess->der;
3597 BIO_printf(bio_err, "Lookup session: cache hit\n");
3598 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3601 BIO_printf(bio_err, "Lookup session: cache miss\n");
3605 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3607 simple_ssl_session *sess, *prev = NULL;
3608 const unsigned char *id;
3610 id = SSL_SESSION_get_id(session, &idlen);
3611 for (sess = first; sess; sess = sess->next) {
3612 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3614 prev->next = sess->next;
3617 OPENSSL_free(sess->id);
3618 OPENSSL_free(sess->der);
3626 static void init_session_cache_ctx(SSL_CTX *sctx)
3628 SSL_CTX_set_session_cache_mode(sctx,
3629 SSL_SESS_CACHE_NO_INTERNAL |
3630 SSL_SESS_CACHE_SERVER);
3631 SSL_CTX_sess_set_new_cb(sctx, add_session);
3632 SSL_CTX_sess_set_get_cb(sctx, get_session);
3633 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3636 static void free_sessions(void)
3638 simple_ssl_session *sess, *tsess;
3639 for (sess = first; sess;) {
3640 OPENSSL_free(sess->id);
3641 OPENSSL_free(sess->der);
3644 OPENSSL_free(tsess);
3649 #endif /* OPENSSL_NO_SOCK */