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 int immediate_reneg = 0;
82 static SSL_CTX *ctx = NULL;
83 static SSL_CTX *ctx2 = NULL;
86 static BIO *bio_s_out = NULL;
87 static BIO *bio_s_msg = NULL;
88 static int s_debug = 0;
89 static int s_tlsextdebug = 0;
91 static int s_quiet = 0;
92 static int s_ign_eof = 0;
93 static int s_brief = 0;
95 static char *keymatexportlabel = NULL;
96 static int keymatexportlen = 20;
100 static int use_sendfile = 0;
102 static const char *session_id_prefix = NULL;
104 #ifndef OPENSSL_NO_DTLS
105 static int enable_timeouts = 0;
106 static long socket_mtu;
110 * We define this but make it always be 0 in no-dtls builds to simplify the
113 static int dtlslisten = 0;
114 static int stateless = 0;
116 static int early_data = 0;
117 static SSL_SESSION *psksess = NULL;
119 static char *psk_identity = "Client_identity";
120 char *psk_key = NULL; /* by default PSK is not used */
122 static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
124 #ifndef OPENSSL_NO_PSK
125 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
127 unsigned int max_psk_len)
133 BIO_printf(bio_s_out, "psk_server_cb\n");
134 if (identity == NULL) {
135 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
139 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
140 (int)strlen(identity), identity);
142 /* here we could lookup the given identity e.g. from a database */
143 if (strcmp(identity, psk_identity) != 0) {
144 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
145 " (got '%s' expected '%s')\n", identity, psk_identity);
148 BIO_printf(bio_s_out, "PSK client identity found\n");
151 /* convert the PSK key to binary */
152 key = OPENSSL_hexstr2buf(psk_key, &key_len);
154 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
158 if (key_len > (int)max_psk_len) {
160 "psk buffer of callback is too small (%d) for key (%ld)\n",
161 max_psk_len, key_len);
166 memcpy(psk, key, key_len);
170 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
174 BIO_printf(bio_err, "Error in PSK server callback\n");
175 (void)BIO_flush(bio_err);
176 (void)BIO_flush(bio_s_out);
181 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
182 size_t identity_len, SSL_SESSION **sess)
184 SSL_SESSION *tmpsess = NULL;
187 const SSL_CIPHER *cipher = NULL;
189 if (strlen(psk_identity) != identity_len
190 || memcmp(psk_identity, identity, identity_len) != 0) {
195 if (psksess != NULL) {
196 SSL_SESSION_up_ref(psksess);
201 key = OPENSSL_hexstr2buf(psk_key, &key_len);
203 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
208 /* We default to SHA256 */
209 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
210 if (cipher == NULL) {
211 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
216 tmpsess = SSL_SESSION_new();
218 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
219 || !SSL_SESSION_set_cipher(tmpsess, cipher)
220 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
230 #ifndef OPENSSL_NO_SRP
231 static srpsrvparm srp_callback_parm;
234 static int local_argc = 0;
235 static char **local_argv;
237 #ifdef CHARSET_EBCDIC
238 static int ebcdic_new(BIO *bi);
239 static int ebcdic_free(BIO *a);
240 static int ebcdic_read(BIO *b, char *out, int outl);
241 static int ebcdic_write(BIO *b, const char *in, int inl);
242 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
243 static int ebcdic_gets(BIO *bp, char *buf, int size);
244 static int ebcdic_puts(BIO *bp, const char *str);
246 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
247 static BIO_METHOD *methods_ebcdic = NULL;
249 /* This struct is "unwarranted chumminess with the compiler." */
255 static const BIO_METHOD *BIO_f_ebcdic_filter()
257 if (methods_ebcdic == NULL) {
258 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
259 "EBCDIC/ASCII filter");
260 if (methods_ebcdic == NULL
261 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
262 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
263 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
264 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
265 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
266 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
267 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
270 return methods_ebcdic;
273 static int ebcdic_new(BIO *bi)
275 EBCDIC_OUTBUFF *wbuf;
277 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
278 wbuf->alloced = 1024;
279 wbuf->buff[0] = '\0';
281 BIO_set_data(bi, wbuf);
286 static int ebcdic_free(BIO *a)
288 EBCDIC_OUTBUFF *wbuf;
292 wbuf = BIO_get_data(a);
294 BIO_set_data(a, NULL);
300 static int ebcdic_read(BIO *b, char *out, int outl)
303 BIO *next = BIO_next(b);
305 if (out == NULL || outl == 0)
310 ret = BIO_read(next, out, outl);
312 ascii2ebcdic(out, out, ret);
316 static int ebcdic_write(BIO *b, const char *in, int inl)
318 EBCDIC_OUTBUFF *wbuf;
319 BIO *next = BIO_next(b);
323 if ((in == NULL) || (inl <= 0))
328 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
330 if (inl > (num = wbuf->alloced)) {
331 num = num + num; /* double the size */
335 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
338 wbuf->buff[0] = '\0';
340 BIO_set_data(b, wbuf);
343 ebcdic2ascii(wbuf->buff, in, inl);
345 ret = BIO_write(next, wbuf->buff, inl);
350 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
353 BIO *next = BIO_next(b);
362 ret = BIO_ctrl(next, cmd, num, ptr);
368 static int ebcdic_gets(BIO *bp, char *buf, int size)
371 BIO *next = BIO_next(bp);
375 /* return(BIO_gets(bp->next_bio,buf,size));*/
376 for (i = 0; i < size - 1; ++i) {
377 ret = ebcdic_read(bp, &buf[i], 1);
380 else if (buf[i] == '\n') {
387 return (ret < 0 && i == 0) ? ret : i;
390 static int ebcdic_puts(BIO *bp, const char *str)
392 if (BIO_next(bp) == NULL)
394 return ebcdic_write(bp, str, strlen(str));
398 /* This is a context that we pass to callbacks */
399 typedef struct tlsextctx_st {
405 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
407 tlsextctx *p = (tlsextctx *) arg;
408 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
410 if (servername != NULL && p->biodebug != NULL) {
411 const char *cp = servername;
414 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
415 while ((uc = *cp++) != 0)
416 BIO_printf(p->biodebug,
417 (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
418 BIO_printf(p->biodebug, "\"\n");
421 if (p->servername == NULL)
422 return SSL_TLSEXT_ERR_NOACK;
424 if (servername != NULL) {
425 if (strcasecmp(servername, p->servername))
426 return p->extension_error;
428 BIO_printf(p->biodebug, "Switching server context.\n");
429 SSL_set_SSL_CTX(s, ctx2);
432 return SSL_TLSEXT_ERR_OK;
435 /* Structure passed to cert status callback */
436 typedef struct tlsextstatusctx_st {
438 /* File to load OCSP Response from (or NULL if no file) */
440 /* Default responder to use */
441 char *host, *path, *port;
446 static tlsextstatusctx tlscstatp = { -1 };
448 #ifndef OPENSSL_NO_OCSP
451 * Helper function to get an OCSP_RESPONSE from a responder. This is a
452 * simplified version. It examines certificates each time and makes one OCSP
453 * responder query for each request. A full version would store details such as
454 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
455 * them until they were considered "expired".
457 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
458 OCSP_RESPONSE **resp)
460 char *host = NULL, *port = NULL, *path = NULL;
462 STACK_OF(OPENSSL_STRING) *aia = NULL;
464 X509_STORE_CTX *inctx = NULL;
466 OCSP_REQUEST *req = NULL;
467 OCSP_CERTID *id = NULL;
468 STACK_OF(X509_EXTENSION) *exts;
469 int ret = SSL_TLSEXT_ERR_NOACK;
472 /* Build up OCSP query from server certificate */
473 x = SSL_get_certificate(s);
474 aia = X509_get1_ocsp(x);
476 if (!OSSL_HTTP_parse_url(sk_OPENSSL_STRING_value(aia, 0), &use_ssl,
477 NULL, &host, &port, NULL, &path, NULL, NULL)) {
478 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
482 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
483 sk_OPENSSL_STRING_value(aia, 0));
485 if (srctx->host == NULL) {
487 "cert_status: no AIA and no default responder URL\n");
493 use_ssl = srctx->use_ssl;
496 inctx = X509_STORE_CTX_new();
499 if (!X509_STORE_CTX_init(inctx,
500 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
503 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
504 X509_get_issuer_name(x));
506 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
509 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
510 X509_OBJECT_free(obj);
513 req = OCSP_REQUEST_new();
516 if (!OCSP_request_add0_id(req, id))
519 /* Add any extensions to the request */
520 SSL_get_tlsext_status_exts(s, &exts);
521 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
522 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
523 if (!OCSP_REQUEST_add_ext(req, ext, -1))
526 *resp = process_responder(req, host, path, port, use_ssl, NULL,
529 BIO_puts(bio_err, "cert_status: error querying responder\n");
533 ret = SSL_TLSEXT_ERR_OK;
537 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
540 * If we parsed aia we need to free; otherwise they were copied and we
547 X509_email_free(aia);
549 OCSP_CERTID_free(id);
550 OCSP_REQUEST_free(req);
551 X509_STORE_CTX_free(inctx);
556 * Certificate Status callback. This is called when a client includes a
557 * certificate status request extension. The response is either obtained from a
558 * file, or from an OCSP responder.
560 static int cert_status_cb(SSL *s, void *arg)
562 tlsextstatusctx *srctx = arg;
563 OCSP_RESPONSE *resp = NULL;
564 unsigned char *rspder = NULL;
566 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
569 BIO_puts(bio_err, "cert_status: callback called\n");
571 if (srctx->respin != NULL) {
572 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
573 if (derbio == NULL) {
574 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
577 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
580 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
584 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
585 if (ret != SSL_TLSEXT_ERR_OK)
589 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
593 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
594 if (srctx->verbose) {
595 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
596 OCSP_RESPONSE_print(bio_err, resp, 2);
599 ret = SSL_TLSEXT_ERR_OK;
602 if (ret != SSL_TLSEXT_ERR_OK)
603 ERR_print_errors(bio_err);
605 OCSP_RESPONSE_free(resp);
611 #ifndef OPENSSL_NO_NEXTPROTONEG
612 /* This is the context that we pass to next_proto_cb */
613 typedef struct tlsextnextprotoctx_st {
616 } tlsextnextprotoctx;
618 static int next_proto_cb(SSL *s, const unsigned char **data,
619 unsigned int *len, void *arg)
621 tlsextnextprotoctx *next_proto = arg;
623 *data = next_proto->data;
624 *len = next_proto->len;
626 return SSL_TLSEXT_ERR_OK;
628 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
630 /* This the context that we pass to alpn_cb */
631 typedef struct tlsextalpnctx_st {
636 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
637 const unsigned char *in, unsigned int inlen, void *arg)
639 tlsextalpnctx *alpn_ctx = arg;
642 /* We can assume that |in| is syntactically valid. */
644 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
645 for (i = 0; i < inlen;) {
647 BIO_write(bio_s_out, ", ", 2);
648 BIO_write(bio_s_out, &in[i + 1], in[i]);
651 BIO_write(bio_s_out, "\n", 1);
654 if (SSL_select_next_proto
655 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
656 inlen) != OPENSSL_NPN_NEGOTIATED) {
657 return SSL_TLSEXT_ERR_ALERT_FATAL;
661 BIO_printf(bio_s_out, "ALPN protocols selected: ");
662 BIO_write(bio_s_out, *out, *outlen);
663 BIO_write(bio_s_out, "\n", 1);
666 return SSL_TLSEXT_ERR_OK;
669 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
671 /* disable resumption for sessions with forward secure ciphers */
672 return is_forward_secure;
675 typedef enum OPTION_choice {
678 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
679 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
680 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
681 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
682 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
683 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
684 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
685 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
687 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
688 OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
689 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
690 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
691 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
692 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
693 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
694 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
695 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
696 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
697 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
698 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
699 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
700 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_SENDFILE,
701 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
702 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
703 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
704 OPT_HTTP_SERVER_BINMODE, OPT_NOCANAMES, OPT_IGNORE_UNEXPECTED_EOF,
712 const OPTIONS s_server_options[] = {
713 OPT_SECTION("General"),
714 {"help", OPT_HELP, '-', "Display this summary"},
715 {"ssl_config", OPT_SSL_CONFIG, 's',
716 "Configure SSL_CTX using the configuration 'val'"},
717 #ifndef OPENSSL_NO_SSL_TRACE
718 {"trace", OPT_TRACE, '-', "trace protocol messages"},
720 #ifndef OPENSSL_NO_ENGINE
721 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
724 OPT_SECTION("Network"),
725 {"port", OPT_PORT, 'p',
726 "TCP/IP port to listen on for connections (default is " PORT ")"},
727 {"accept", OPT_ACCEPT, 's',
728 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
730 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
731 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
733 {"4", OPT_4, '-', "Use IPv4 only"},
734 {"6", OPT_6, '-', "Use IPv6 only"},
736 OPT_SECTION("Identity"),
737 {"context", OPT_CONTEXT, 's', "Set session ID context"},
738 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
739 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
740 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
741 {"no-CAfile", OPT_NOCAFILE, '-',
742 "Do not load the default certificates file"},
743 {"no-CApath", OPT_NOCAPATH, '-',
744 "Do not load certificates from the default certificates directory"},
745 {"no-CAstore", OPT_NOCASTORE, '-',
746 "Do not load certificates from the default certificates store URI"},
747 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
748 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
749 {"Verify", OPT_UPPER_V_VERIFY, 'n',
750 "Turn on peer certificate verification, must have a cert"},
751 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
752 {"cert", OPT_CERT, '<', "Server certificate file to use; default " TEST_CERT},
753 {"cert2", OPT_CERT2, '<',
754 "Certificate file to use for servername; default " TEST_CERT2},
755 {"certform", OPT_CERTFORM, 'F',
756 "Server certificate file format (PEM/DER/P12); has no effect"},
757 {"cert_chain", OPT_CERT_CHAIN, '<',
758 "Server certificate chain file in PEM format"},
759 {"build_chain", OPT_BUILD_CHAIN, '-', "Build server certificate chain"},
760 {"serverinfo", OPT_SERVERINFO, 's',
761 "PEM serverinfo file for certificate"},
762 {"key", OPT_KEY, 's',
763 "Private key file to use; default is -cert file or else" TEST_CERT},
764 {"key2", OPT_KEY2, '<',
765 "-Private Key file to use for servername if not in -cert2"},
766 {"keyform", OPT_KEYFORM, 'f', "Key format (ENGINE, other values ignored)"},
767 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
768 {"dcert", OPT_DCERT, '<',
769 "Second server certificate file to use (usually for DSA)"},
770 {"dcertform", OPT_DCERTFORM, 'F',
771 "Second server certificate file format (PEM/DER/P12); has no effect"},
772 {"dcert_chain", OPT_DCERT_CHAIN, '<',
773 "second server certificate chain file in PEM format"},
774 {"dkey", OPT_DKEY, '<',
775 "Second private key file to use (usually for DSA)"},
776 {"dkeyform", OPT_DKEYFORM, 'F',
777 "Second key file format (ENGINE, other values ignored)"},
778 {"dpass", OPT_DPASS, 's',
779 "Second private key and cert file pass phrase source"},
780 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
781 {"servername", OPT_SERVERNAME, 's',
782 "Servername for HostName TLS extension"},
783 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
784 "mismatch send fatal alert (default warning alert)"},
785 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
786 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
787 {"quiet", OPT_QUIET, '-', "No server output"},
788 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
789 "Disable caching and tickets if ephemeral (EC)DH is used"},
790 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
791 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
792 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
793 "Do not treat lack of close_notify from a peer as an error"},
794 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
795 "Hex dump of all TLS extensions received"},
796 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
797 {"id_prefix", OPT_ID_PREFIX, 's',
798 "Generate SSL/TLS session IDs prefixed by arg"},
799 {"keymatexport", OPT_KEYMATEXPORT, 's',
800 "Export keying material using label"},
801 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
802 "Export len bytes of keying material; default 20"},
803 {"CRL", OPT_CRL, '<', "CRL file to use"},
804 {"CRLform", OPT_CRLFORM, 'F', "CRL file format (PEM or DER); default PEM"},
805 {"crl_download", OPT_CRL_DOWNLOAD, '-',
806 "Download CRLs from distribution points in certificate CDP entries"},
807 {"chainCAfile", OPT_CHAINCAFILE, '<',
808 "CA file for certificate chain (PEM format)"},
809 {"chainCApath", OPT_CHAINCAPATH, '/',
810 "use dir as certificate store path to build CA certificate chain"},
811 {"chainCAstore", OPT_CHAINCASTORE, ':',
812 "use URI as certificate store to build CA certificate chain"},
813 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
814 "CA file for certificate verification (PEM format)"},
815 {"verifyCApath", OPT_VERIFYCAPATH, '/',
816 "use dir as certificate store path to verify CA certificate"},
817 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
818 "use URI as certificate store to verify CA certificate"},
819 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
820 {"ext_cache", OPT_EXT_CACHE, '-',
821 "Disable internal cache, setup and use external cache"},
822 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
823 "Close connection on verification error"},
824 {"verify_quiet", OPT_VERIFY_QUIET, '-',
825 "No verify output except verify errors"},
826 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
827 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
829 #ifndef OPENSSL_NO_OCSP
831 {"status", OPT_STATUS, '-', "Request certificate status from server"},
832 {"status_verbose", OPT_STATUS_VERBOSE, '-',
833 "Print more output in certificate status callback"},
834 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
835 "Status request responder timeout"},
836 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
837 {"status_file", OPT_STATUS_FILE, '<',
838 "File containing DER encoded OCSP Response"},
841 OPT_SECTION("Debug"),
842 {"security_debug", OPT_SECURITY_DEBUG, '-',
843 "Print output from SSL/TLS security framework"},
844 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
845 "Print more output from SSL/TLS security framework"},
846 {"brief", OPT_BRIEF, '-',
847 "Restrict output to brief summary of connection parameters"},
848 {"rev", OPT_REV, '-',
849 "act as a simple test server which just sends back with the received text reversed"},
850 {"debug", OPT_DEBUG, '-', "Print more output"},
851 {"msg", OPT_MSG, '-', "Show protocol messages"},
852 {"msgfile", OPT_MSGFILE, '>',
853 "File to send output of -msg or -trace, instead of stdout"},
854 {"state", OPT_STATE, '-', "Print the SSL states"},
855 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
856 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
857 "Maximum number of encrypt/decrypt pipelines to be used"},
858 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
859 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
861 OPT_SECTION("Network"),
862 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
863 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
864 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
865 {"read_buf", OPT_READ_BUF, 'p',
866 "Default read buffer size to be used for connections"},
867 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
868 "Size used to split data for encrypt pipelines"},
869 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
871 OPT_SECTION("Server identity"),
872 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
873 #ifndef OPENSSL_NO_PSK
874 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
876 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
877 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
878 #ifndef OPENSSL_NO_SRP
879 {"srpvfile", OPT_SRPVFILE, '<', "(deprecated) The verifier file for SRP"},
880 {"srpuserseed", OPT_SRPUSERSEED, 's',
881 "(deprecated) A seed string for a default user salt"},
884 OPT_SECTION("Protocol and version"),
885 {"max_early_data", OPT_MAX_EARLY, 'n',
886 "The maximum number of bytes of early data as advertised in tickets"},
887 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
888 "The maximum number of bytes of early data (hard limit)"},
889 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
890 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
891 "The number of TLSv1.3 session tickets that a server will automatically issue" },
892 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
893 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
894 {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
895 {"no_ca_names", OPT_NOCANAMES, '-',
896 "Disable TLS Extension CA Names"},
897 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
898 #ifndef OPENSSL_NO_SSL3
899 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
901 #ifndef OPENSSL_NO_TLS1
902 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
904 #ifndef OPENSSL_NO_TLS1_1
905 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
907 #ifndef OPENSSL_NO_TLS1_2
908 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
910 #ifndef OPENSSL_NO_TLS1_3
911 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
913 #ifndef OPENSSL_NO_DTLS
914 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
915 {"listen", OPT_LISTEN, '-',
916 "Listen for a DTLS ClientHello with a cookie and then connect"},
918 #ifndef OPENSSL_NO_DTLS1
919 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
921 #ifndef OPENSSL_NO_DTLS1_2
922 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
924 #ifndef OPENSSL_NO_SCTP
925 {"sctp", OPT_SCTP, '-', "Use SCTP"},
926 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
928 #ifndef OPENSSL_NO_SRTP
929 {"use_srtp", OPT_SRTP_PROFILES, 's',
930 "Offer SRTP key management with a colon-separated profile list"},
932 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
933 #ifndef OPENSSL_NO_NEXTPROTONEG
934 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
935 "Set the advertised protocols for the NPN extension (comma-separated list)"},
937 {"alpn", OPT_ALPN, 's',
938 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
939 #ifndef OPENSSL_NO_KTLS
940 {"sendfile", OPT_SENDFILE, '-', "Use sendfile to response file with -WWW"},
951 #define IS_PROT_FLAG(o) \
952 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
953 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
955 int s_server_main(int argc, char *argv[])
957 ENGINE *engine = NULL;
958 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
959 SSL_CONF_CTX *cctx = NULL;
960 const SSL_METHOD *meth = TLS_server_method();
961 SSL_EXCERT *exc = NULL;
962 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
963 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
964 STACK_OF(X509_CRL) *crls = NULL;
965 X509 *s_cert = NULL, *s_dcert = NULL;
966 X509_VERIFY_PARAM *vpm = NULL;
967 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
968 const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL;
969 char *dpassarg = NULL, *dpass = NULL;
970 char *passarg = NULL, *pass = NULL;
971 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
972 char *crl_file = NULL, *prog;
974 int unlink_unix_path = 0;
976 do_server_cb server_cb;
977 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
980 int nocert = 0, ret = 1;
981 int noCApath = 0, noCAfile = 0, noCAstore = 0;
982 int s_cert_format = FORMAT_UNDEF, s_key_format = FORMAT_UNDEF;
983 int s_dcert_format = FORMAT_UNDEF, s_dkey_format = FORMAT_UNDEF;
984 int rev = 0, naccept = -1, sdebug = 0;
985 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
986 int state = 0, crl_format = FORMAT_UNDEF, crl_download = 0;
988 char *port = OPENSSL_strdup(PORT);
989 unsigned char *context = NULL;
991 EVP_PKEY *s_key2 = NULL;
992 X509 *s_cert2 = NULL;
993 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
994 const char *ssl_config = NULL;
995 int read_buf_len = 0;
996 #ifndef OPENSSL_NO_NEXTPROTONEG
997 const char *next_proto_neg_in = NULL;
998 tlsextnextprotoctx next_proto = { NULL, 0 };
1000 const char *alpn_in = NULL;
1001 tlsextalpnctx alpn_ctx = { NULL, 0 };
1002 #ifndef OPENSSL_NO_PSK
1003 /* by default do not send a PSK identity hint */
1004 char *psk_identity_hint = NULL;
1007 #ifndef OPENSSL_NO_SRP
1008 char *srpuserseed = NULL;
1009 char *srp_verifier_file = NULL;
1011 #ifndef OPENSSL_NO_SRTP
1012 char *srtp_profiles = NULL;
1014 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1015 int s_server_verify = SSL_VERIFY_NONE;
1016 int s_server_session_id_context = 1; /* anything will do */
1017 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1018 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1019 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1020 #ifndef OPENSSL_NO_OCSP
1021 int s_tlsextstatus = 0;
1023 int no_resume_ephemeral = 0;
1024 unsigned int max_send_fragment = 0;
1025 unsigned int split_send_fragment = 0, max_pipelines = 0;
1026 const char *s_serverinfo_file = NULL;
1027 const char *keylog_file = NULL;
1028 int max_early_data = -1, recv_max_early_data = -1;
1029 char *psksessf = NULL;
1030 int no_ca_names = 0;
1031 #ifndef OPENSSL_NO_SCTP
1032 int sctp_label_bug = 0;
1034 int ignore_unexpected_eof = 0;
1036 /* Init of few remaining global variables */
1041 s_nbio = s_nbio_test = 0;
1051 cctx = SSL_CONF_CTX_new();
1052 vpm = X509_VERIFY_PARAM_new();
1053 if (cctx == NULL || vpm == NULL)
1055 SSL_CONF_CTX_set_flags(cctx,
1056 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1058 prog = opt_init(argc, argv, s_server_options);
1059 while ((o = opt_next()) != OPT_EOF) {
1060 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1061 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1064 if (IS_NO_PROT_FLAG(o))
1066 if (prot_opt == 1 && no_prot_opt) {
1068 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1075 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1078 opt_help(s_server_options);
1084 if (socket_family == AF_UNIX) {
1085 OPENSSL_free(host); host = NULL;
1086 OPENSSL_free(port); port = NULL;
1089 socket_family = AF_INET;
1095 if (socket_family == AF_UNIX) {
1096 OPENSSL_free(host); host = NULL;
1097 OPENSSL_free(port); port = NULL;
1100 socket_family = AF_INET6;
1103 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1109 if (socket_family == AF_UNIX) {
1110 socket_family = AF_UNSPEC;
1113 OPENSSL_free(port); port = NULL;
1114 OPENSSL_free(host); host = NULL;
1115 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1117 "%s: -port argument malformed or ambiguous\n",
1124 if (socket_family == AF_UNIX) {
1125 socket_family = AF_UNSPEC;
1128 OPENSSL_free(port); port = NULL;
1129 OPENSSL_free(host); host = NULL;
1130 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1132 "%s: -accept argument malformed or ambiguous\n",
1139 socket_family = AF_UNIX;
1140 OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
1141 OPENSSL_free(port); port = NULL;
1144 unlink_unix_path = 1;
1148 naccept = atol(opt_arg());
1151 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1152 verify_args.depth = atoi(opt_arg());
1154 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1156 case OPT_UPPER_V_VERIFY:
1158 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1159 SSL_VERIFY_CLIENT_ONCE;
1160 verify_args.depth = atoi(opt_arg());
1163 "verify depth is %d, must return a certificate\n",
1167 context = (unsigned char *)opt_arg();
1170 s_cert_file = opt_arg();
1173 if (!set_nameopt(opt_arg()))
1177 crl_file = opt_arg();
1179 case OPT_CRL_DOWNLOAD:
1182 case OPT_SERVERINFO:
1183 s_serverinfo_file = opt_arg();
1186 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_cert_format))
1190 s_key_file = opt_arg();
1193 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1197 passarg = opt_arg();
1199 case OPT_CERT_CHAIN:
1200 s_chain_file = opt_arg();
1206 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dcert_format))
1210 s_dcert_file = opt_arg();
1213 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dkey_format))
1217 dpassarg = opt_arg();
1220 s_dkey_file = opt_arg();
1222 case OPT_DCERT_CHAIN:
1223 s_dchain_file = opt_arg();
1234 case OPT_CHAINCAPATH:
1235 chCApath = opt_arg();
1237 case OPT_VERIFYCAPATH:
1238 vfyCApath = opt_arg();
1241 CAstore = opt_arg();
1246 case OPT_CHAINCASTORE:
1247 chCAstore = opt_arg();
1249 case OPT_VERIFYCASTORE:
1250 vfyCAstore = opt_arg();
1259 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1262 case OPT_S_IMMEDIATE_RENEG:
1263 immediate_reneg = 1;
1266 case OPT_S_NUM_TICKETS:
1267 case OPT_ANTI_REPLAY:
1268 case OPT_NO_ANTI_REPLAY:
1269 if (ssl_args == NULL)
1270 ssl_args = sk_OPENSSL_STRING_new_null();
1271 if (ssl_args == NULL
1272 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1273 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1274 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1279 if (!opt_verify(o, vpm))
1284 if (!args_excert(o, &exc))
1287 case OPT_VERIFY_RET_ERROR:
1288 verify_args.return_error = 1;
1290 case OPT_VERIFY_QUIET:
1291 verify_args.quiet = 1;
1293 case OPT_BUILD_CHAIN:
1302 case OPT_CHAINCAFILE:
1303 chCAfile = opt_arg();
1305 case OPT_VERIFYCAFILE:
1306 vfyCAfile = opt_arg();
1312 s_nbio = s_nbio_test = 1;
1317 case OPT_NO_IGN_EOF:
1323 case OPT_TLSEXTDEBUG:
1327 #ifndef OPENSSL_NO_OCSP
1331 case OPT_STATUS_VERBOSE:
1332 #ifndef OPENSSL_NO_OCSP
1333 s_tlsextstatus = tlscstatp.verbose = 1;
1336 case OPT_STATUS_TIMEOUT:
1337 #ifndef OPENSSL_NO_OCSP
1339 tlscstatp.timeout = atoi(opt_arg());
1342 case OPT_STATUS_URL:
1343 #ifndef OPENSSL_NO_OCSP
1345 if (!OSSL_HTTP_parse_url(opt_arg(), &tlscstatp.use_ssl, NULL,
1346 &tlscstatp.host, &tlscstatp.port, NULL,
1347 &tlscstatp.path, NULL, NULL)) {
1348 BIO_printf(bio_err, "Error parsing -status_url argument\n");
1353 case OPT_STATUS_FILE:
1354 #ifndef OPENSSL_NO_OCSP
1356 tlscstatp.respin = opt_arg();
1363 bio_s_msg = BIO_new_file(opt_arg(), "w");
1366 #ifndef OPENSSL_NO_SSL_TRACE
1370 case OPT_SECURITY_DEBUG:
1373 case OPT_SECURITY_DEBUG_VERBOSE:
1386 s_quiet = s_brief = verify_args.quiet = 1;
1391 case OPT_NO_RESUME_EPHEMERAL:
1392 no_resume_ephemeral = 1;
1394 case OPT_PSK_IDENTITY:
1395 psk_identity = opt_arg();
1398 #ifndef OPENSSL_NO_PSK
1399 psk_identity_hint = opt_arg();
1403 for (p = psk_key = opt_arg(); *p; p++) {
1404 if (isxdigit(_UC(*p)))
1406 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1411 psksessf = opt_arg();
1414 #ifndef OPENSSL_NO_SRP
1415 srp_verifier_file = opt_arg();
1416 if (min_version < TLS1_VERSION)
1417 min_version = TLS1_VERSION;
1420 case OPT_SRPUSERSEED:
1421 #ifndef OPENSSL_NO_SRP
1422 srpuserseed = opt_arg();
1423 if (min_version < TLS1_VERSION)
1424 min_version = TLS1_VERSION;
1439 case OPT_SSL_CONFIG:
1440 ssl_config = opt_arg();
1443 min_version = SSL3_VERSION;
1444 max_version = SSL3_VERSION;
1447 min_version = TLS1_3_VERSION;
1448 max_version = TLS1_3_VERSION;
1451 min_version = TLS1_2_VERSION;
1452 max_version = TLS1_2_VERSION;
1455 min_version = TLS1_1_VERSION;
1456 max_version = TLS1_1_VERSION;
1459 min_version = TLS1_VERSION;
1460 max_version = TLS1_VERSION;
1463 #ifndef OPENSSL_NO_DTLS
1464 meth = DTLS_server_method();
1465 socket_type = SOCK_DGRAM;
1469 #ifndef OPENSSL_NO_DTLS
1470 meth = DTLS_server_method();
1471 min_version = DTLS1_VERSION;
1472 max_version = DTLS1_VERSION;
1473 socket_type = SOCK_DGRAM;
1477 #ifndef OPENSSL_NO_DTLS
1478 meth = DTLS_server_method();
1479 min_version = DTLS1_2_VERSION;
1480 max_version = DTLS1_2_VERSION;
1481 socket_type = SOCK_DGRAM;
1485 #ifndef OPENSSL_NO_SCTP
1486 protocol = IPPROTO_SCTP;
1489 case OPT_SCTP_LABEL_BUG:
1490 #ifndef OPENSSL_NO_SCTP
1495 #ifndef OPENSSL_NO_DTLS
1496 enable_timeouts = 1;
1500 #ifndef OPENSSL_NO_DTLS
1501 socket_mtu = atol(opt_arg());
1505 #ifndef OPENSSL_NO_DTLS
1513 session_id_prefix = opt_arg();
1516 #ifndef OPENSSL_NO_ENGINE
1517 engine = setup_engine(opt_arg(), s_debug);
1524 case OPT_PROV_CASES:
1525 if (!opt_provider(o))
1528 case OPT_SERVERNAME:
1529 tlsextcbp.servername = opt_arg();
1531 case OPT_SERVERNAME_FATAL:
1532 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1535 s_cert_file2 = opt_arg();
1538 s_key_file2 = opt_arg();
1540 case OPT_NEXTPROTONEG:
1541 # ifndef OPENSSL_NO_NEXTPROTONEG
1542 next_proto_neg_in = opt_arg();
1546 alpn_in = opt_arg();
1548 case OPT_SRTP_PROFILES:
1549 #ifndef OPENSSL_NO_SRTP
1550 srtp_profiles = opt_arg();
1553 case OPT_KEYMATEXPORT:
1554 keymatexportlabel = opt_arg();
1556 case OPT_KEYMATEXPORTLEN:
1557 keymatexportlen = atoi(opt_arg());
1562 case OPT_MAX_SEND_FRAG:
1563 max_send_fragment = atoi(opt_arg());
1565 case OPT_SPLIT_SEND_FRAG:
1566 split_send_fragment = atoi(opt_arg());
1568 case OPT_MAX_PIPELINES:
1569 max_pipelines = atoi(opt_arg());
1572 read_buf_len = atoi(opt_arg());
1574 case OPT_KEYLOG_FILE:
1575 keylog_file = opt_arg();
1578 max_early_data = atoi(opt_arg());
1579 if (max_early_data < 0) {
1580 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1584 case OPT_RECV_MAX_EARLY:
1585 recv_max_early_data = atoi(opt_arg());
1586 if (recv_max_early_data < 0) {
1587 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1591 case OPT_EARLY_DATA:
1593 if (max_early_data == -1)
1594 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1596 case OPT_HTTP_SERVER_BINMODE:
1597 http_server_binmode = 1;
1603 #ifndef OPENSSL_NO_KTLS
1607 case OPT_IGNORE_UNEXPECTED_EOF:
1608 ignore_unexpected_eof = 1;
1613 /* No extra arguments. */
1614 argc = opt_num_rest();
1618 if (!app_RAND_load())
1621 #ifndef OPENSSL_NO_NEXTPROTONEG
1622 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1623 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1627 #ifndef OPENSSL_NO_DTLS
1628 if (www && socket_type == SOCK_DGRAM) {
1629 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1633 if (dtlslisten && socket_type != SOCK_DGRAM) {
1634 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1639 if (stateless && socket_type != SOCK_STREAM) {
1640 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1645 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1647 "Can't use unix sockets and datagrams together\n");
1651 if (early_data && (www > 0 || rev)) {
1653 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1657 #ifndef OPENSSL_NO_SCTP
1658 if (protocol == IPPROTO_SCTP) {
1659 if (socket_type != SOCK_DGRAM) {
1660 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1663 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1664 socket_type = SOCK_STREAM;
1668 #ifndef OPENSSL_NO_KTLS
1669 if (use_sendfile && www <= 1) {
1670 BIO_printf(bio_err, "Can't use -sendfile without -WWW or -HTTP\n");
1675 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1676 BIO_printf(bio_err, "Error getting password\n");
1680 if (s_key_file == NULL)
1681 s_key_file = s_cert_file;
1683 if (s_key_file2 == NULL)
1684 s_key_file2 = s_cert_file2;
1686 if (!load_excert(&exc))
1690 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1691 "server certificate private key");
1695 s_cert = load_cert_pass(s_cert_file, s_cert_format, 1, pass,
1696 "server certificate");
1700 if (s_chain_file != NULL) {
1701 if (!load_certs(s_chain_file, 0, &s_chain, NULL,
1702 "server certificate chain"))
1706 if (tlsextcbp.servername != NULL) {
1707 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1708 "second server certificate private key");
1712 s_cert2 = load_cert_pass(s_cert_file2, s_cert_format, 1, pass,
1713 "second server certificate");
1715 if (s_cert2 == NULL)
1719 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1720 if (next_proto_neg_in) {
1721 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1722 if (next_proto.data == NULL)
1726 alpn_ctx.data = NULL;
1728 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1729 if (alpn_ctx.data == NULL)
1733 if (crl_file != NULL) {
1735 crl = load_crl(crl_file, crl_format, 0, "CRL");
1738 crls = sk_X509_CRL_new_null();
1739 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1740 BIO_puts(bio_err, "Error adding CRL\n");
1741 ERR_print_errors(bio_err);
1747 if (s_dcert_file != NULL) {
1749 if (s_dkey_file == NULL)
1750 s_dkey_file = s_dcert_file;
1752 s_dkey = load_key(s_dkey_file, s_dkey_format,
1753 0, dpass, engine, "second certificate private key");
1757 s_dcert = load_cert_pass(s_dcert_file, s_dcert_format, 1, dpass,
1758 "second server certificate");
1760 if (s_dcert == NULL) {
1761 ERR_print_errors(bio_err);
1764 if (s_dchain_file != NULL) {
1765 if (!load_certs(s_dchain_file, 0, &s_dchain, NULL,
1766 "second server certificate chain"))
1772 if (bio_s_out == NULL) {
1773 if (s_quiet && !s_debug) {
1774 bio_s_out = BIO_new(BIO_s_null());
1775 if (s_msg && bio_s_msg == NULL)
1776 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1778 if (bio_s_out == NULL)
1779 bio_s_out = dup_bio_out(FORMAT_TEXT);
1785 s_dcert_file = NULL;
1787 s_cert_file2 = NULL;
1791 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
1793 ERR_print_errors(bio_err);
1797 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1800 ssl_ctx_security_debug(ctx, sdebug);
1802 if (!config_ctx(cctx, ssl_args, ctx))
1806 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1807 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1809 ERR_print_errors(bio_err);
1813 #ifndef OPENSSL_NO_SCTP
1814 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1815 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1818 if (min_version != 0
1819 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1821 if (max_version != 0
1822 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1825 if (session_id_prefix) {
1826 if (strlen(session_id_prefix) >= 32)
1828 "warning: id_prefix is too long, only one new session will be possible\n");
1829 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1830 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1831 ERR_print_errors(bio_err);
1834 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1837 ssl_ctx_set_excert(ctx, exc);
1840 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1842 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1844 init_session_cache_ctx(ctx);
1846 SSL_CTX_sess_set_cache_size(ctx, 128);
1849 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1853 SSL_CTX_set_options(ctx, SSL_OP_DISABLE_TLSEXT_CA_NAMES);
1856 if (ignore_unexpected_eof)
1857 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1859 if (max_send_fragment > 0
1860 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1861 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1862 prog, max_send_fragment);
1866 if (split_send_fragment > 0
1867 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1868 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1869 prog, split_send_fragment);
1872 if (max_pipelines > 0
1873 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1874 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1875 prog, max_pipelines);
1879 if (read_buf_len > 0) {
1880 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1882 #ifndef OPENSSL_NO_SRTP
1883 if (srtp_profiles != NULL) {
1884 /* Returns 0 on success! */
1885 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1886 BIO_printf(bio_err, "Error setting SRTP profile\n");
1887 ERR_print_errors(bio_err);
1893 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1894 CAstore, noCAstore)) {
1895 ERR_print_errors(bio_err);
1898 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1899 BIO_printf(bio_err, "Error setting verify params\n");
1900 ERR_print_errors(bio_err);
1904 ssl_ctx_add_crls(ctx, crls, 0);
1906 if (!ssl_load_stores(ctx,
1907 vfyCApath, vfyCAfile, vfyCAstore,
1908 chCApath, chCAfile, chCAstore,
1909 crls, crl_download)) {
1910 BIO_printf(bio_err, "Error loading store locations\n");
1911 ERR_print_errors(bio_err);
1916 ctx2 = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
1918 ERR_print_errors(bio_err);
1924 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1927 ssl_ctx_security_debug(ctx2, sdebug);
1929 if (session_id_prefix) {
1930 if (strlen(session_id_prefix) >= 32)
1932 "warning: id_prefix is too long, only one new session will be possible\n");
1933 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1934 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1935 ERR_print_errors(bio_err);
1938 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1941 ssl_ctx_set_excert(ctx2, exc);
1944 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1947 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1949 init_session_cache_ctx(ctx2);
1951 SSL_CTX_sess_set_cache_size(ctx2, 128);
1954 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1956 if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath,
1957 noCApath, CAstore, noCAstore)) {
1958 ERR_print_errors(bio_err);
1961 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1962 BIO_printf(bio_err, "Error setting verify params\n");
1963 ERR_print_errors(bio_err);
1967 ssl_ctx_add_crls(ctx2, crls, 0);
1968 if (!config_ctx(cctx, ssl_args, ctx2))
1971 #ifndef OPENSSL_NO_NEXTPROTONEG
1972 if (next_proto.data)
1973 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1977 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1980 EVP_PKEY *dhpkey = NULL;
1983 dhpkey = load_keyparams(dhfile, FORMAT_UNDEF, 0, "DH", "DH parameters");
1984 else if (s_cert_file != NULL)
1985 dhpkey = load_keyparams(s_cert_file, FORMAT_UNDEF, 0, "DH", "DH parameters");
1987 if (dhpkey != NULL) {
1988 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1990 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1992 (void)BIO_flush(bio_s_out);
1994 if (dhpkey == NULL) {
1995 SSL_CTX_set_dh_auto(ctx, 1);
1998 * We need 2 references: one for use by ctx and one for use by
2001 if (!EVP_PKEY_up_ref(dhpkey)) {
2002 EVP_PKEY_free(dhpkey);
2005 if (!SSL_CTX_set0_tmp_dh_pkey(ctx, dhpkey)) {
2006 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2007 ERR_print_errors(bio_err);
2008 /* Free 2 references */
2009 EVP_PKEY_free(dhpkey);
2010 EVP_PKEY_free(dhpkey);
2016 if (dhfile != NULL) {
2017 EVP_PKEY *dhpkey2 = load_keyparams(s_cert_file2, FORMAT_UNDEF,
2021 if (dhpkey2 != NULL) {
2022 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2023 (void)BIO_flush(bio_s_out);
2025 EVP_PKEY_free(dhpkey);
2029 if (dhpkey == NULL) {
2030 SSL_CTX_set_dh_auto(ctx2, 1);
2031 } else if (!SSL_CTX_set0_tmp_dh_pkey(ctx2, dhpkey)) {
2032 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2033 ERR_print_errors(bio_err);
2034 EVP_PKEY_free(dhpkey);
2039 EVP_PKEY_free(dhpkey);
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 (psk_identity_hint != NULL) {
2076 if (min_version == TLS1_3_VERSION) {
2077 BIO_printf(bio_s_out, "PSK warning: there is NO identity hint in TLSv1.3\n");
2079 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2080 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2081 ERR_print_errors(bio_err);
2087 if (psksessf != NULL) {
2088 BIO *stmp = BIO_new_file(psksessf, "r");
2091 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2092 ERR_print_errors(bio_err);
2095 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2097 if (psksess == NULL) {
2098 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2099 ERR_print_errors(bio_err);
2105 if (psk_key != NULL || psksess != NULL)
2106 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2108 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2109 if (!SSL_CTX_set_session_id_context(ctx,
2110 (void *)&s_server_session_id_context,
2111 sizeof(s_server_session_id_context))) {
2112 BIO_printf(bio_err, "error setting session id context\n");
2113 ERR_print_errors(bio_err);
2117 /* Set DTLS cookie generation and verification callbacks */
2118 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2119 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2121 /* Set TLS1.3 cookie generation and verification callbacks */
2122 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2123 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2126 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2127 if (!SSL_CTX_set_session_id_context(ctx2,
2128 (void *)&s_server_session_id_context,
2129 sizeof(s_server_session_id_context))) {
2130 BIO_printf(bio_err, "error setting session id context\n");
2131 ERR_print_errors(bio_err);
2134 tlsextcbp.biodebug = bio_s_out;
2135 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2136 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2137 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2138 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2141 #ifndef OPENSSL_NO_SRP
2142 if (srp_verifier_file != NULL) {
2143 if (!set_up_srp_verifier_file(ctx, &srp_callback_parm, srpuserseed,
2148 if (CAfile != NULL) {
2149 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2152 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2154 #ifndef OPENSSL_NO_OCSP
2155 if (s_tlsextstatus) {
2156 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2157 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2159 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2160 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2164 if (set_keylog_file(ctx, keylog_file))
2167 if (max_early_data >= 0)
2168 SSL_CTX_set_max_early_data(ctx, max_early_data);
2169 if (recv_max_early_data >= 0)
2170 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2173 server_cb = rev_body;
2175 server_cb = www_body;
2177 server_cb = sv_body;
2179 if (socket_family == AF_UNIX
2180 && unlink_unix_path)
2183 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2184 server_cb, context, naccept, bio_s_out);
2185 print_stats(bio_s_out, ctx);
2189 SSL_SESSION_free(psksess);
2190 set_keylog_file(NULL, NULL);
2192 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2194 EVP_PKEY_free(s_key);
2195 EVP_PKEY_free(s_dkey);
2196 sk_X509_pop_free(s_chain, X509_free);
2197 sk_X509_pop_free(s_dchain, X509_free);
2199 OPENSSL_free(dpass);
2202 X509_VERIFY_PARAM_free(vpm);
2204 OPENSSL_free(tlscstatp.host);
2205 OPENSSL_free(tlscstatp.port);
2206 OPENSSL_free(tlscstatp.path);
2209 EVP_PKEY_free(s_key2);
2210 #ifndef OPENSSL_NO_NEXTPROTONEG
2211 OPENSSL_free(next_proto.data);
2213 OPENSSL_free(alpn_ctx.data);
2214 ssl_excert_free(exc);
2215 sk_OPENSSL_STRING_free(ssl_args);
2216 SSL_CONF_CTX_free(cctx);
2217 release_engine(engine);
2218 BIO_free(bio_s_out);
2220 BIO_free(bio_s_msg);
2222 #ifdef CHARSET_EBCDIC
2223 BIO_meth_free(methods_ebcdic);
2228 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2230 BIO_printf(bio, "%4ld items in the session cache\n",
2231 SSL_CTX_sess_number(ssl_ctx));
2232 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2233 SSL_CTX_sess_connect(ssl_ctx));
2234 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2235 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2236 BIO_printf(bio, "%4ld client connects that finished\n",
2237 SSL_CTX_sess_connect_good(ssl_ctx));
2238 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2239 SSL_CTX_sess_accept(ssl_ctx));
2240 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2241 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2242 BIO_printf(bio, "%4ld server accepts that finished\n",
2243 SSL_CTX_sess_accept_good(ssl_ctx));
2244 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2245 BIO_printf(bio, "%4ld session cache misses\n",
2246 SSL_CTX_sess_misses(ssl_ctx));
2247 BIO_printf(bio, "%4ld session cache timeouts\n",
2248 SSL_CTX_sess_timeouts(ssl_ctx));
2249 BIO_printf(bio, "%4ld callback cache hits\n",
2250 SSL_CTX_sess_cb_hits(ssl_ctx));
2251 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2252 SSL_CTX_sess_cache_full(ssl_ctx),
2253 SSL_CTX_sess_get_cache_size(ssl_ctx));
2256 static int sv_body(int s, int stype, int prot, unsigned char *context)
2265 struct timeval timeout;
2266 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2267 struct timeval *timeoutp;
2269 #ifndef OPENSSL_NO_DTLS
2270 # ifndef OPENSSL_NO_SCTP
2271 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2273 int isdtls = (stype == SOCK_DGRAM);
2277 buf = app_malloc(bufsize, "server buffer");
2279 if (!BIO_socket_nbio(s, 1))
2280 ERR_print_errors(bio_err);
2282 BIO_printf(bio_err, "Turned on non blocking io\n");
2291 if (s_tlsextdebug) {
2292 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2293 SSL_set_tlsext_debug_arg(con, bio_s_out);
2297 && !SSL_set_session_id_context(con, context,
2298 strlen((char *)context))) {
2299 BIO_printf(bio_err, "Error setting session id context\n");
2304 if (!SSL_clear(con)) {
2305 BIO_printf(bio_err, "Error clearing SSL connection\n");
2309 #ifndef OPENSSL_NO_DTLS
2311 # ifndef OPENSSL_NO_SCTP
2312 if (prot == IPPROTO_SCTP)
2313 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2316 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2318 if (enable_timeouts) {
2320 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2321 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2324 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2325 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2329 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2330 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2331 DTLS_get_link_min_mtu(con));
2336 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2337 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2338 BIO_printf(bio_err, "Failed to set MTU\n");
2344 /* want to do MTU discovery */
2345 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2347 # ifndef OPENSSL_NO_SCTP
2348 if (prot != IPPROTO_SCTP)
2350 /* Turn on cookie exchange. Not necessary for SCTP */
2351 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2354 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2357 BIO_printf(bio_err, "Unable to create BIO\n");
2358 ERR_print_errors(bio_err);
2365 test = BIO_new(BIO_f_nbio_test());
2366 sbio = BIO_push(test, sbio);
2369 SSL_set_bio(con, sbio, sbio);
2370 SSL_set_accept_state(con);
2371 /* SSL_set_fd(con,s); */
2374 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2375 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2378 #ifndef OPENSSL_NO_SSL_TRACE
2380 SSL_set_msg_callback(con, SSL_trace);
2383 SSL_set_msg_callback(con, msg_cb);
2384 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2387 if (s_tlsextdebug) {
2388 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2389 SSL_set_tlsext_debug_arg(con, bio_s_out);
2393 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2396 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2398 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2399 if (edret != SSL_READ_EARLY_DATA_ERROR)
2402 switch (SSL_get_error(con, 0)) {
2403 case SSL_ERROR_WANT_WRITE:
2404 case SSL_ERROR_WANT_ASYNC:
2405 case SSL_ERROR_WANT_READ:
2406 /* Just keep trying - busy waiting */
2409 BIO_printf(bio_err, "Error reading early data\n");
2410 ERR_print_errors(bio_err);
2414 if (readbytes > 0) {
2416 BIO_printf(bio_s_out, "Early data received:\n");
2419 raw_write_stdout(buf, (unsigned int)readbytes);
2420 (void)BIO_flush(bio_s_out);
2424 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2425 BIO_printf(bio_s_out, "No early data received\n");
2427 BIO_printf(bio_s_out, "Early data was rejected\n");
2429 BIO_printf(bio_s_out, "\nEnd of early data\n");
2431 if (SSL_is_init_finished(con))
2432 print_connection_info(con);
2435 if (fileno_stdin() > s)
2436 width = fileno_stdin() + 1;
2440 int read_from_terminal;
2441 int read_from_sslcon;
2443 read_from_terminal = 0;
2444 read_from_sslcon = SSL_has_pending(con)
2445 || (async && SSL_waiting_for_async(con));
2447 if (!read_from_sslcon) {
2449 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2450 openssl_fdset(fileno_stdin(), &readfds);
2452 openssl_fdset(s, &readfds);
2454 * Note: under VMS with SOCKETSHR the second parameter is
2455 * currently of type (int *) whereas under other systems it is
2456 * (void *) if you don't have a cast it will choke the compiler:
2457 * if you do have a cast then you can either go for (int *) or
2460 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2462 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2463 * only on sockets. As a workaround we timeout the select every
2464 * second and check for any keypress. In a proper Windows
2465 * application we wouldn't do this because it is inefficient.
2468 timeout.tv_usec = 0;
2469 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2470 if (has_stdin_waiting())
2471 read_from_terminal = 1;
2472 if ((i < 0) || (!i && !read_from_terminal))
2475 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2476 timeoutp = &timeout;
2480 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2482 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2483 BIO_printf(bio_err, "TIMEOUT occurred\n");
2487 if (FD_ISSET(fileno_stdin(), &readfds))
2488 read_from_terminal = 1;
2490 if (FD_ISSET(s, &readfds))
2491 read_from_sslcon = 1;
2493 if (read_from_terminal) {
2497 i = raw_read_stdin(buf, bufsize / 2);
2499 /* both loops are skipped when i <= 0 */
2500 for (j = 0; j < i; j++)
2503 for (j = i - 1; j >= 0; j--) {
2504 buf[j + lf_num] = buf[j];
2505 if (buf[j] == '\n') {
2508 buf[j + lf_num] = '\r';
2511 assert(lf_num == 0);
2513 i = raw_read_stdin(buf, bufsize);
2516 if (!s_quiet && !s_brief) {
2517 if ((i <= 0) || (buf[0] == 'Q')) {
2518 BIO_printf(bio_s_out, "DONE\n");
2519 (void)BIO_flush(bio_s_out);
2521 close_accept_socket();
2525 if ((i <= 0) || (buf[0] == 'q')) {
2526 BIO_printf(bio_s_out, "DONE\n");
2527 (void)BIO_flush(bio_s_out);
2528 if (SSL_version(con) != DTLS1_VERSION)
2531 * close_accept_socket(); ret= -11;
2535 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2536 SSL_renegotiate(con);
2537 i = SSL_do_handshake(con);
2538 printf("SSL_do_handshake -> %d\n", i);
2542 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2544 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2546 SSL_renegotiate(con);
2547 i = SSL_do_handshake(con);
2548 printf("SSL_do_handshake -> %d\n", i);
2552 if ((buf[0] == 'K' || buf[0] == 'k')
2553 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2554 SSL_key_update(con, buf[0] == 'K' ?
2555 SSL_KEY_UPDATE_REQUESTED
2556 : SSL_KEY_UPDATE_NOT_REQUESTED);
2557 i = SSL_do_handshake(con);
2558 printf("SSL_do_handshake -> %d\n", i);
2562 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2563 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2564 i = SSL_verify_client_post_handshake(con);
2566 printf("Failed to initiate request\n");
2567 ERR_print_errors(bio_err);
2569 i = SSL_do_handshake(con);
2570 printf("SSL_do_handshake -> %d\n", i);
2575 if (buf[0] == 'P') {
2576 static const char str[] = "Lets print some clear text\n";
2577 BIO_write(SSL_get_wbio(con), str, sizeof(str) -1);
2579 if (buf[0] == 'S') {
2580 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2583 #ifdef CHARSET_EBCDIC
2584 ebcdic2ascii(buf, buf, i);
2588 /* should do a select for the write */
2591 if (++count == 100) {
2593 SSL_renegotiate(con);
2596 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2597 #ifndef OPENSSL_NO_SRP
2598 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2599 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2601 lookup_srp_user(&srp_callback_parm, bio_s_out);
2603 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2606 switch (SSL_get_error(con, k)) {
2607 case SSL_ERROR_NONE:
2609 case SSL_ERROR_WANT_ASYNC:
2610 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2611 (void)BIO_flush(bio_s_out);
2612 wait_for_async(con);
2614 case SSL_ERROR_WANT_WRITE:
2615 case SSL_ERROR_WANT_READ:
2616 case SSL_ERROR_WANT_X509_LOOKUP:
2617 BIO_printf(bio_s_out, "Write BLOCK\n");
2618 (void)BIO_flush(bio_s_out);
2620 case SSL_ERROR_WANT_ASYNC_JOB:
2622 * This shouldn't ever happen in s_server. Treat as an error
2624 case SSL_ERROR_SYSCALL:
2626 BIO_printf(bio_s_out, "ERROR\n");
2627 (void)BIO_flush(bio_s_out);
2628 ERR_print_errors(bio_err);
2632 case SSL_ERROR_ZERO_RETURN:
2633 BIO_printf(bio_s_out, "DONE\n");
2634 (void)BIO_flush(bio_s_out);
2646 if (read_from_sslcon) {
2648 * init_ssl_connection handles all async events itself so if we're
2649 * waiting for async then we shouldn't go back into
2650 * init_ssl_connection
2652 if ((!async || !SSL_waiting_for_async(con))
2653 && !SSL_is_init_finished(con)) {
2654 i = init_ssl_connection(con);
2659 } else if (i == 0) {
2665 i = SSL_read(con, (char *)buf, bufsize);
2666 #ifndef OPENSSL_NO_SRP
2667 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2668 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2670 lookup_srp_user(&srp_callback_parm, bio_s_out);
2672 i = SSL_read(con, (char *)buf, bufsize);
2675 switch (SSL_get_error(con, i)) {
2676 case SSL_ERROR_NONE:
2677 #ifdef CHARSET_EBCDIC
2678 ascii2ebcdic(buf, buf, i);
2680 raw_write_stdout(buf, (unsigned int)i);
2681 (void)BIO_flush(bio_s_out);
2682 if (SSL_has_pending(con))
2685 case SSL_ERROR_WANT_ASYNC:
2686 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2687 (void)BIO_flush(bio_s_out);
2688 wait_for_async(con);
2690 case SSL_ERROR_WANT_WRITE:
2691 case SSL_ERROR_WANT_READ:
2692 BIO_printf(bio_s_out, "Read BLOCK\n");
2693 (void)BIO_flush(bio_s_out);
2695 case SSL_ERROR_WANT_ASYNC_JOB:
2697 * This shouldn't ever happen in s_server. Treat as an error
2699 case SSL_ERROR_SYSCALL:
2701 BIO_printf(bio_s_out, "ERROR\n");
2702 (void)BIO_flush(bio_s_out);
2703 ERR_print_errors(bio_err);
2706 case SSL_ERROR_ZERO_RETURN:
2707 BIO_printf(bio_s_out, "DONE\n");
2708 (void)BIO_flush(bio_s_out);
2717 BIO_printf(bio_s_out, "shutting down SSL\n");
2718 do_ssl_shutdown(con);
2721 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2722 OPENSSL_clear_free(buf, bufsize);
2726 static void close_accept_socket(void)
2728 BIO_printf(bio_err, "shutdown accept socket\n");
2729 if (accept_socket >= 0) {
2730 BIO_closesocket(accept_socket);
2734 static int is_retryable(SSL *con, int i)
2736 int err = SSL_get_error(con, i);
2738 /* If it's not a fatal error, it must be retryable */
2739 return (err != SSL_ERROR_SSL)
2740 && (err != SSL_ERROR_SYSCALL)
2741 && (err != SSL_ERROR_ZERO_RETURN);
2744 static int init_ssl_connection(SSL *con)
2750 if (dtlslisten || stateless) {
2751 BIO_ADDR *client = NULL;
2754 if ((client = BIO_ADDR_new()) == NULL) {
2755 BIO_printf(bio_err, "ERROR - memory\n");
2758 i = DTLSv1_listen(con, client);
2760 i = SSL_stateless(con);
2767 wbio = SSL_get_wbio(con);
2769 BIO_get_fd(wbio, &fd);
2772 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2773 BIO_printf(bio_err, "ERROR - unable to connect\n");
2774 BIO_ADDR_free(client);
2778 (void)BIO_ctrl_set_connected(wbio, client);
2779 BIO_ADDR_free(client);
2784 i = SSL_accept(con);
2786 BIO_ADDR_free(client);
2790 i = SSL_accept(con);
2791 if (immediate_reneg)
2792 SSL_renegotiate(con);
2795 retry = is_retryable(con, i);
2796 #ifdef CERT_CB_TEST_RETRY
2799 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2800 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2802 "LOOKUP from certificate callback during accept\n");
2803 i = SSL_accept(con);
2805 retry = is_retryable(con, i);
2810 #ifndef OPENSSL_NO_SRP
2812 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2813 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2814 srp_callback_parm.login);
2816 lookup_srp_user(&srp_callback_parm, bio_s_out);
2818 i = SSL_accept(con);
2820 retry = is_retryable(con, i);
2823 } while (i < 0 && SSL_waiting_for_async(con));
2827 if (((dtlslisten || stateless) && i == 0)
2828 || (!dtlslisten && !stateless && retry)) {
2829 BIO_printf(bio_s_out, "DELAY\n");
2833 BIO_printf(bio_err, "ERROR\n");
2835 verify_err = SSL_get_verify_result(con);
2836 if (verify_err != X509_V_OK) {
2837 BIO_printf(bio_err, "verify error:%s\n",
2838 X509_verify_cert_error_string(verify_err));
2840 /* Always print any error messages */
2841 ERR_print_errors(bio_err);
2845 print_connection_info(con);
2849 static void print_connection_info(SSL *con)
2854 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2855 const unsigned char *next_proto_neg;
2856 unsigned next_proto_neg_len;
2858 unsigned char *exportedkeymat;
2862 print_ssl_summary(con);
2864 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2866 peer = SSL_get0_peer_certificate(con);
2868 BIO_printf(bio_s_out, "Client certificate\n");
2869 PEM_write_bio_X509(bio_s_out, peer);
2870 dump_cert_text(bio_s_out, peer);
2874 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2875 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2876 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2877 ssl_print_sigalgs(bio_s_out, con);
2878 #ifndef OPENSSL_NO_EC
2879 ssl_print_point_formats(bio_s_out, con);
2880 ssl_print_groups(bio_s_out, con, 0);
2882 print_ca_names(bio_s_out, con);
2883 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2885 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2886 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2887 if (next_proto_neg) {
2888 BIO_printf(bio_s_out, "NEXTPROTO is ");
2889 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2890 BIO_printf(bio_s_out, "\n");
2893 #ifndef OPENSSL_NO_SRTP
2895 SRTP_PROTECTION_PROFILE *srtp_profile
2896 = SSL_get_selected_srtp_profile(con);
2899 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2900 srtp_profile->name);
2903 if (SSL_session_reused(con))
2904 BIO_printf(bio_s_out, "Reused session-id\n");
2905 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2906 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2907 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2908 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2910 if (keymatexportlabel != NULL) {
2911 BIO_printf(bio_s_out, "Keying material exporter:\n");
2912 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2913 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2914 exportedkeymat = app_malloc(keymatexportlen, "export key");
2915 if (!SSL_export_keying_material(con, exportedkeymat,
2918 strlen(keymatexportlabel),
2920 BIO_printf(bio_s_out, " Error\n");
2922 BIO_printf(bio_s_out, " Keying material: ");
2923 for (i = 0; i < keymatexportlen; i++)
2924 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2925 BIO_printf(bio_s_out, "\n");
2927 OPENSSL_free(exportedkeymat);
2929 #ifndef OPENSSL_NO_KTLS
2930 if (BIO_get_ktls_send(SSL_get_wbio(con)))
2931 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
2932 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
2933 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
2936 (void)BIO_flush(bio_s_out);
2939 static int www_body(int s, int stype, int prot, unsigned char *context)
2945 const SSL_CIPHER *c;
2946 BIO *io, *ssl_bio, *sbio;
2948 int total_bytes = 0;
2954 /* Set width for a select call if needed */
2957 buf = app_malloc(bufsize, "server www buffer");
2958 io = BIO_new(BIO_f_buffer());
2959 ssl_bio = BIO_new(BIO_f_ssl());
2960 if ((io == NULL) || (ssl_bio == NULL))
2964 if (!BIO_socket_nbio(s, 1))
2965 ERR_print_errors(bio_err);
2967 BIO_printf(bio_err, "Turned on non blocking io\n");
2970 /* lets make the output buffer a reasonable size */
2971 if (!BIO_set_write_buffer_size(io, bufsize))
2974 if ((con = SSL_new(ctx)) == NULL)
2977 if (s_tlsextdebug) {
2978 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2979 SSL_set_tlsext_debug_arg(con, bio_s_out);
2983 && !SSL_set_session_id_context(con, context,
2984 strlen((char *)context))) {
2989 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2993 test = BIO_new(BIO_f_nbio_test());
2994 sbio = BIO_push(test, sbio);
2996 SSL_set_bio(con, sbio, sbio);
2997 SSL_set_accept_state(con);
2999 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3000 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3001 BIO_push(io, ssl_bio);
3002 #ifdef CHARSET_EBCDIC
3003 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3007 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3008 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3011 #ifndef OPENSSL_NO_SSL_TRACE
3013 SSL_set_msg_callback(con, SSL_trace);
3016 SSL_set_msg_callback(con, msg_cb);
3017 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3021 i = BIO_gets(io, buf, bufsize - 1);
3022 if (i < 0) { /* error */
3023 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3025 ERR_print_errors(bio_err);
3028 BIO_printf(bio_s_out, "read R BLOCK\n");
3029 #ifndef OPENSSL_NO_SRP
3030 if (BIO_should_io_special(io)
3031 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3032 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3034 lookup_srp_user(&srp_callback_parm, bio_s_out);
3039 #if !defined(OPENSSL_SYS_MSDOS)
3044 } else if (i == 0) { /* end of input */
3049 /* else we have data */
3050 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3051 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3054 STACK_OF(SSL_CIPHER) *sk;
3055 static const char *space = " ";
3057 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3058 if (strncmp("GET /renegcert", buf, 14) == 0)
3060 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3062 i = SSL_renegotiate(con);
3063 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3064 /* Send the HelloRequest */
3065 i = SSL_do_handshake(con);
3067 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3068 SSL_get_error(con, i));
3069 ERR_print_errors(bio_err);
3072 /* Wait for a ClientHello to come back */
3074 openssl_fdset(s, &readfds);
3075 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3076 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3077 BIO_printf(bio_s_out,
3078 "Error waiting for client response\n");
3079 ERR_print_errors(bio_err);
3083 * We're not actually expecting any data here and we ignore
3084 * any that is sent. This is just to force the handshake that
3085 * we're expecting to come from the client. If they haven't
3086 * sent one there's not much we can do.
3088 BIO_gets(io, buf, bufsize - 1);
3092 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3093 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3094 BIO_puts(io, "<pre>\n");
3095 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3097 for (i = 0; i < local_argc; i++) {
3099 for (myp = local_argv[i]; *myp; myp++)
3102 BIO_puts(io, "<");
3105 BIO_puts(io, ">");
3108 BIO_puts(io, "&");
3111 BIO_write(io, myp, 1);
3114 BIO_write(io, " ", 1);
3119 "Secure Renegotiation IS%s supported\n",
3120 SSL_get_secure_renegotiation_support(con) ?
3124 * The following is evil and should not really be done
3126 BIO_printf(io, "Ciphers supported in s_server binary\n");
3127 sk = SSL_get_ciphers(con);
3128 j = sk_SSL_CIPHER_num(sk);
3129 for (i = 0; i < j; i++) {
3130 c = sk_SSL_CIPHER_value(sk, i);
3131 BIO_printf(io, "%-11s:%-25s ",
3132 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3133 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3137 p = SSL_get_shared_ciphers(con, buf, bufsize);
3140 "---\nCiphers common between both SSL end points:\n");
3144 BIO_write(io, space, 26 - j);
3147 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3149 BIO_write(io, p, 1);
3156 ssl_print_sigalgs(io, con);
3157 #ifndef OPENSSL_NO_EC
3158 ssl_print_groups(io, con, 0);
3160 print_ca_names(io, con);
3161 BIO_printf(io, (SSL_session_reused(con)
3162 ? "---\nReused, " : "---\nNew, "));
3163 c = SSL_get_current_cipher(con);
3164 BIO_printf(io, "%s, Cipher is %s\n",
3165 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3166 SSL_SESSION_print(io, SSL_get_session(con));
3167 BIO_printf(io, "---\n");
3168 print_stats(io, SSL_get_SSL_CTX(con));
3169 BIO_printf(io, "---\n");
3170 peer = SSL_get0_peer_certificate(con);
3172 BIO_printf(io, "Client certificate\n");
3173 X509_print(io, peer);
3174 PEM_write_bio_X509(io, peer);
3177 BIO_puts(io, "no client certificate available\n");
3179 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3181 } else if ((www == 2 || www == 3)
3182 && (strncmp("GET /", buf, 5) == 0)) {
3185 static const char *text =
3186 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3192 for (e = p; *e != '\0'; e++) {
3197 /* Windows drive. We treat this the same way as ".." */
3204 dot = (e[0] == '.') ? 2 : 0;
3207 dot = (e[0] == '.') ? 3 : 0;
3210 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
3214 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
3216 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3221 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3228 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
3232 if (*p == '/' || *p == '\\') {
3234 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3238 /* if a directory, do the index thang */
3239 if (app_isdir(p) > 0) {
3241 BIO_printf(io, "'%s' is a directory\r\n", p);
3245 opmode = (http_server_binmode == 1) ? "rb" : "r";
3246 if ((file = BIO_new_file(p, opmode)) == NULL) {
3248 BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
3249 ERR_print_errors(io);
3254 BIO_printf(bio_err, "FILE:%s\n", p);
3258 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3259 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3260 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3262 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3265 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3268 #ifndef OPENSSL_NO_KTLS
3276 BIO_get_fp(file, &fp);
3278 if (fstat(fd, &st) < 0) {
3279 BIO_printf(io, "Error fstat '%s'\r\n", p);
3280 ERR_print_errors(io);
3284 filesize = st.st_size;
3285 if (((int)BIO_flush(io)) < 0)
3289 i = SSL_sendfile(con, fd, offset, filesize, 0);
3291 BIO_printf(io, "Error SSL_sendfile '%s'\r\n", p);
3292 ERR_print_errors(io);
3299 if (filesize <= 0) {
3301 BIO_printf(bio_err, "KTLS SENDFILE '%s' OK\n", p);
3310 i = BIO_read(file, buf, bufsize);
3316 BIO_printf(bio_err, "%d\n", i);
3317 if (total_bytes > 3 * 1024) {
3319 BIO_printf(bio_err, "RENEGOTIATE\n");
3320 SSL_renegotiate(con);
3324 for (j = 0; j < i;) {
3328 SSL_renegotiate(con);
3330 k = BIO_write(io, &(buf[j]), i - j);
3332 if (!BIO_should_retry(io)
3333 && !SSL_waiting_for_async(con)) {
3336 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3351 i = (int)BIO_flush(io);
3353 if (!BIO_should_retry(io))
3359 /* make sure we re-use sessions */
3360 do_ssl_shutdown(con);
3368 static int rev_body(int s, int stype, int prot, unsigned char *context)
3374 BIO *io, *ssl_bio, *sbio;
3376 buf = app_malloc(bufsize, "server rev buffer");
3377 io = BIO_new(BIO_f_buffer());
3378 ssl_bio = BIO_new(BIO_f_ssl());
3379 if ((io == NULL) || (ssl_bio == NULL))
3382 /* lets make the output buffer a reasonable size */
3383 if (!BIO_set_write_buffer_size(io, bufsize))
3386 if ((con = SSL_new(ctx)) == NULL)
3389 if (s_tlsextdebug) {
3390 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3391 SSL_set_tlsext_debug_arg(con, bio_s_out);
3394 && !SSL_set_session_id_context(con, context,
3395 strlen((char *)context))) {
3397 ERR_print_errors(bio_err);
3401 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3402 SSL_set_bio(con, sbio, sbio);
3403 SSL_set_accept_state(con);
3405 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3406 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3407 BIO_push(io, ssl_bio);
3408 #ifdef CHARSET_EBCDIC
3409 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3413 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3414 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3417 #ifndef OPENSSL_NO_SSL_TRACE
3419 SSL_set_msg_callback(con, SSL_trace);
3422 SSL_set_msg_callback(con, msg_cb);
3423 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3427 i = BIO_do_handshake(io);
3430 if (!BIO_should_retry(io)) {
3431 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3432 ERR_print_errors(bio_err);
3435 #ifndef OPENSSL_NO_SRP
3436 if (BIO_should_io_special(io)
3437 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3438 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3440 lookup_srp_user(&srp_callback_parm, bio_s_out);
3446 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3447 print_ssl_summary(con);
3450 i = BIO_gets(io, buf, bufsize - 1);
3451 if (i < 0) { /* error */
3452 if (!BIO_should_retry(io)) {
3454 ERR_print_errors(bio_err);
3457 BIO_printf(bio_s_out, "read R BLOCK\n");
3458 #ifndef OPENSSL_NO_SRP
3459 if (BIO_should_io_special(io)
3460 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3461 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3463 lookup_srp_user(&srp_callback_parm, bio_s_out);
3468 #if !defined(OPENSSL_SYS_MSDOS)
3473 } else if (i == 0) { /* end of input */
3475 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3478 char *p = buf + i - 1;
3479 while (i && (*p == '\n' || *p == '\r')) {
3483 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3485 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3488 BUF_reverse((unsigned char *)buf, NULL, i);
3490 BIO_write(io, buf, i + 1);
3495 if (!BIO_should_retry(io))
3501 /* make sure we re-use sessions */
3502 do_ssl_shutdown(con);
3511 #define MAX_SESSION_ID_ATTEMPTS 10
3512 static int generate_session_id(SSL *ssl, unsigned char *id,
3513 unsigned int *id_len)
3515 unsigned int count = 0;
3516 unsigned int session_id_prefix_len = strlen(session_id_prefix);
3519 if (RAND_bytes(id, *id_len) <= 0)
3522 * Prefix the session_id with the required prefix. NB: If our prefix
3523 * is too long, clip it - but there will be worse effects anyway, eg.
3524 * the server could only possibly create 1 session ID (ie. the
3525 * prefix!) so all future session negotiations will fail due to
3528 memcpy(id, session_id_prefix,
3529 (session_id_prefix_len < *id_len) ?
3530 session_id_prefix_len : *id_len);
3532 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3533 (++count < MAX_SESSION_ID_ATTEMPTS));
3534 if (count >= MAX_SESSION_ID_ATTEMPTS)
3540 * By default s_server uses an in-memory cache which caches SSL_SESSION
3541 * structures without any serialization. This hides some bugs which only
3542 * become apparent in deployed servers. By implementing a basic external
3543 * session cache some issues can be debugged using s_server.
3546 typedef struct simple_ssl_session_st {
3551 struct simple_ssl_session_st *next;
3552 } simple_ssl_session;
3554 static simple_ssl_session *first = NULL;
3556 static int add_session(SSL *ssl, SSL_SESSION *session)
3558 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3561 SSL_SESSION_get_id(session, &sess->idlen);
3562 sess->derlen = i2d_SSL_SESSION(session, NULL);
3563 if (sess->derlen < 0) {
3564 BIO_printf(bio_err, "Error encoding session\n");
3569 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3570 sess->der = app_malloc(sess->derlen, "get session buffer");
3572 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3573 OPENSSL_free(sess->id);
3574 OPENSSL_free(sess->der);
3580 /* Assume it still works. */
3581 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3582 BIO_printf(bio_err, "Unexpected session encoding length\n");
3583 OPENSSL_free(sess->id);
3584 OPENSSL_free(sess->der);
3591 BIO_printf(bio_err, "New session added to external cache\n");
3595 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3598 simple_ssl_session *sess;
3600 for (sess = first; sess; sess = sess->next) {
3601 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3602 const unsigned char *p = sess->der;
3603 BIO_printf(bio_err, "Lookup session: cache hit\n");
3604 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3607 BIO_printf(bio_err, "Lookup session: cache miss\n");
3611 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3613 simple_ssl_session *sess, *prev = NULL;
3614 const unsigned char *id;
3616 id = SSL_SESSION_get_id(session, &idlen);
3617 for (sess = first; sess; sess = sess->next) {
3618 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3620 prev->next = sess->next;
3623 OPENSSL_free(sess->id);
3624 OPENSSL_free(sess->der);
3632 static void init_session_cache_ctx(SSL_CTX *sctx)
3634 SSL_CTX_set_session_cache_mode(sctx,
3635 SSL_SESS_CACHE_NO_INTERNAL |
3636 SSL_SESS_CACHE_SERVER);
3637 SSL_CTX_sess_set_new_cb(sctx, add_session);
3638 SSL_CTX_sess_set_get_cb(sctx, get_session);
3639 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3642 static void free_sessions(void)
3644 simple_ssl_session *sess, *tsess;
3645 for (sess = first; sess;) {
3646 OPENSSL_free(sess->id);
3647 OPENSSL_free(sess->der);
3650 OPENSSL_free(tsess);
3655 #endif /* OPENSSL_NO_SOCK */