2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
4 * Copyright 2005 Nokia. All rights reserved.
6 * Licensed under the OpenSSL license (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
17 /* Included before async.h to avoid some warnings */
21 #include <openssl/e_os2.h>
22 #include <openssl/async.h>
23 #include <openssl/ssl.h>
25 #ifndef OPENSSL_NO_SOCK
28 * With IPv6, it looks like Digital has mixed up the proper order of
29 * recursive header file inclusion, resulting in the compiler complaining
30 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
31 * needed to have fileno() declared correctly... So let's define u_int
33 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
35 typedef unsigned int u_int;
38 #include <openssl/bn.h>
41 #include <openssl/err.h>
42 #include <openssl/pem.h>
43 #include <openssl/x509.h>
44 #include <openssl/ssl.h>
45 #include <openssl/rand.h>
46 #include <openssl/ocsp.h>
48 # include <openssl/dh.h>
50 #ifndef OPENSSL_NO_RSA
51 # include <openssl/rsa.h>
53 #ifndef OPENSSL_NO_SRP
54 # include <openssl/srp.h>
59 #include <openssl/ebcdic.h>
61 #include "internal/sockets.h"
63 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
64 static int sv_body(int s, int stype, int prot, unsigned char *context);
65 static int www_body(int s, int stype, int prot, unsigned char *context);
66 static int rev_body(int s, int stype, int prot, unsigned char *context);
67 static void close_accept_socket(void);
68 static int init_ssl_connection(SSL *s);
69 static void print_stats(BIO *bp, SSL_CTX *ctx);
70 static int generate_session_id(SSL *ssl, unsigned char *id,
71 unsigned int *id_len);
72 static void init_session_cache_ctx(SSL_CTX *sctx);
73 static void free_sessions(void);
75 static DH *load_dh_param(const char *dhfile);
77 static void print_connection_info(SSL *con);
79 static const int bufsize = 16 * 1024;
80 static int accept_socket = -1;
82 #define TEST_CERT "server.pem"
83 #define TEST_CERT2 "server2.pem"
85 static int s_nbio = 0;
86 static int s_nbio_test = 0;
87 static int s_crlf = 0;
88 static SSL_CTX *ctx = NULL;
89 static SSL_CTX *ctx2 = NULL;
92 static BIO *bio_s_out = NULL;
93 static BIO *bio_s_msg = NULL;
94 static int s_debug = 0;
95 static int s_tlsextdebug = 0;
97 static int s_quiet = 0;
98 static int s_ign_eof = 0;
99 static int s_brief = 0;
101 static char *keymatexportlabel = NULL;
102 static int keymatexportlen = 20;
104 static int async = 0;
106 static const char *session_id_prefix = NULL;
108 #ifndef OPENSSL_NO_DTLS
109 static int enable_timeouts = 0;
110 static long socket_mtu;
114 * We define this but make it always be 0 in no-dtls builds to simplify the
117 static int dtlslisten = 0;
118 static int stateless = 0;
120 static int early_data = 0;
121 static SSL_SESSION *psksess = NULL;
123 static char *psk_identity = "Client_identity";
124 char *psk_key = NULL; /* by default PSK is not used */
126 #ifndef OPENSSL_NO_PSK
127 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
129 unsigned int max_psk_len)
135 BIO_printf(bio_s_out, "psk_server_cb\n");
136 if (identity == NULL) {
137 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
141 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
142 (int)strlen(identity), identity);
144 /* here we could lookup the given identity e.g. from a database */
145 if (strcmp(identity, psk_identity) != 0) {
146 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
147 " (got '%s' expected '%s')\n", identity, psk_identity);
150 BIO_printf(bio_s_out, "PSK client identity found\n");
153 /* convert the PSK key to binary */
154 key = OPENSSL_hexstr2buf(psk_key, &key_len);
156 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
160 if (key_len > (int)max_psk_len) {
162 "psk buffer of callback is too small (%d) for key (%ld)\n",
163 max_psk_len, key_len);
168 memcpy(psk, key, key_len);
172 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
176 BIO_printf(bio_err, "Error in PSK server callback\n");
177 (void)BIO_flush(bio_err);
178 (void)BIO_flush(bio_s_out);
183 #define TLS13_AES_128_GCM_SHA256_BYTES ((const unsigned char *)"\x13\x01")
184 #define TLS13_AES_256_GCM_SHA384_BYTES ((const unsigned char *)"\x13\x02")
186 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
187 size_t identity_len, SSL_SESSION **sess)
189 SSL_SESSION *tmpsess = NULL;
192 const SSL_CIPHER *cipher = NULL;
194 if (strlen(psk_identity) != identity_len
195 || memcmp(psk_identity, identity, identity_len) != 0)
198 if (psksess != NULL) {
199 SSL_SESSION_up_ref(psksess);
204 key = OPENSSL_hexstr2buf(psk_key, &key_len);
206 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
211 /* We default to SHA256 */
212 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
213 if (cipher == NULL) {
214 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
218 tmpsess = SSL_SESSION_new();
220 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
221 || !SSL_SESSION_set_cipher(tmpsess, cipher)
222 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
232 #ifndef OPENSSL_NO_SRP
233 /* This is a context that we pass to callbacks */
234 typedef struct srpsrvparm_st {
239 static srpsrvparm srp_callback_parm;
242 * This callback pretends to require some asynchronous logic in order to
243 * obtain a verifier. When the callback is called for a new connection we
244 * return with a negative value. This will provoke the accept etc to return
245 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
246 * (which would normally occur after a worker has finished) and we set the
249 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
251 srpsrvparm *p = (srpsrvparm *) arg;
252 int ret = SSL3_AL_FATAL;
254 if (p->login == NULL && p->user == NULL) {
255 p->login = SSL_get_srp_username(s);
256 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
260 if (p->user == NULL) {
261 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
265 if (SSL_set_srp_server_param
266 (s, p->user->N, p->user->g, p->user->s, p->user->v,
267 p->user->info) < 0) {
268 *ad = SSL_AD_INTERNAL_ERROR;
272 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
273 p->login, p->user->info);
274 ret = SSL_ERROR_NONE;
277 SRP_user_pwd_free(p->user);
285 static int local_argc = 0;
286 static char **local_argv;
288 #ifdef CHARSET_EBCDIC
289 static int ebcdic_new(BIO *bi);
290 static int ebcdic_free(BIO *a);
291 static int ebcdic_read(BIO *b, char *out, int outl);
292 static int ebcdic_write(BIO *b, const char *in, int inl);
293 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
294 static int ebcdic_gets(BIO *bp, char *buf, int size);
295 static int ebcdic_puts(BIO *bp, const char *str);
297 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
298 static BIO_METHOD *methods_ebcdic = NULL;
300 /* This struct is "unwarranted chumminess with the compiler." */
306 static const BIO_METHOD *BIO_f_ebcdic_filter()
308 if (methods_ebcdic == NULL) {
309 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
310 "EBCDIC/ASCII filter");
311 if (methods_ebcdic == NULL
312 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
313 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
314 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
315 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
316 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
317 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
318 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
321 return methods_ebcdic;
324 static int ebcdic_new(BIO *bi)
326 EBCDIC_OUTBUFF *wbuf;
328 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
329 wbuf->alloced = 1024;
330 wbuf->buff[0] = '\0';
332 BIO_set_data(bi, wbuf);
337 static int ebcdic_free(BIO *a)
339 EBCDIC_OUTBUFF *wbuf;
343 wbuf = BIO_get_data(a);
345 BIO_set_data(a, NULL);
351 static int ebcdic_read(BIO *b, char *out, int outl)
354 BIO *next = BIO_next(b);
356 if (out == NULL || outl == 0)
361 ret = BIO_read(next, out, outl);
363 ascii2ebcdic(out, out, ret);
367 static int ebcdic_write(BIO *b, const char *in, int inl)
369 EBCDIC_OUTBUFF *wbuf;
370 BIO *next = BIO_next(b);
374 if ((in == NULL) || (inl <= 0))
379 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
381 if (inl > (num = wbuf->alloced)) {
382 num = num + num; /* double the size */
386 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
389 wbuf->buff[0] = '\0';
391 BIO_set_data(b, wbuf);
394 ebcdic2ascii(wbuf->buff, in, inl);
396 ret = BIO_write(next, wbuf->buff, inl);
401 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
404 BIO *next = BIO_next(b);
413 ret = BIO_ctrl(next, cmd, num, ptr);
419 static int ebcdic_gets(BIO *bp, char *buf, int size)
422 BIO *next = BIO_next(bp);
426 /* return(BIO_gets(bp->next_bio,buf,size));*/
427 for (i = 0; i < size - 1; ++i) {
428 ret = ebcdic_read(bp, &buf[i], 1);
431 else if (buf[i] == '\n') {
438 return (ret < 0 && i == 0) ? ret : i;
441 static int ebcdic_puts(BIO *bp, const char *str)
443 if (BIO_next(bp) == NULL)
445 return ebcdic_write(bp, str, strlen(str));
449 /* This is a context that we pass to callbacks */
450 typedef struct tlsextctx_st {
456 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
458 tlsextctx *p = (tlsextctx *) arg;
459 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
461 if (servername != NULL && p->biodebug != NULL) {
462 const char *cp = servername;
465 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
466 while ((uc = *cp++) != 0)
467 BIO_printf(p->biodebug,
468 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc);
469 BIO_printf(p->biodebug, "\"\n");
472 if (p->servername == NULL)
473 return SSL_TLSEXT_ERR_NOACK;
475 if (servername != NULL) {
476 if (strcasecmp(servername, p->servername))
477 return p->extension_error;
479 BIO_printf(p->biodebug, "Switching server context.\n");
480 SSL_set_SSL_CTX(s, ctx2);
483 return SSL_TLSEXT_ERR_OK;
486 /* Structure passed to cert status callback */
487 typedef struct tlsextstatusctx_st {
489 /* File to load OCSP Response from (or NULL if no file) */
491 /* Default responder to use */
492 char *host, *path, *port;
497 static tlsextstatusctx tlscstatp = { -1 };
499 #ifndef OPENSSL_NO_OCSP
502 * Helper function to get an OCSP_RESPONSE from a responder. This is a
503 * simplified version. It examines certificates each time and makes one OCSP
504 * responder query for each request. A full version would store details such as
505 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
506 * them until they were considered "expired".
508 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
509 OCSP_RESPONSE **resp)
511 char *host = NULL, *port = NULL, *path = NULL;
513 STACK_OF(OPENSSL_STRING) *aia = NULL;
515 X509_STORE_CTX *inctx = NULL;
517 OCSP_REQUEST *req = NULL;
518 OCSP_CERTID *id = NULL;
519 STACK_OF(X509_EXTENSION) *exts;
520 int ret = SSL_TLSEXT_ERR_NOACK;
523 /* Build up OCSP query from server certificate */
524 x = SSL_get_certificate(s);
525 aia = X509_get1_ocsp(x);
527 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
528 &host, &port, &path, &use_ssl)) {
529 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
533 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
534 sk_OPENSSL_STRING_value(aia, 0));
536 if (srctx->host == NULL) {
538 "cert_status: no AIA and no default responder URL\n");
544 use_ssl = srctx->use_ssl;
547 inctx = X509_STORE_CTX_new();
550 if (!X509_STORE_CTX_init(inctx,
551 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
554 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
555 X509_get_issuer_name(x));
557 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
560 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
561 X509_OBJECT_free(obj);
564 req = OCSP_REQUEST_new();
567 if (!OCSP_request_add0_id(req, id))
570 /* Add any extensions to the request */
571 SSL_get_tlsext_status_exts(s, &exts);
572 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
573 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
574 if (!OCSP_REQUEST_add_ext(req, ext, -1))
577 *resp = process_responder(req, host, path, port, use_ssl, NULL,
580 BIO_puts(bio_err, "cert_status: error querying responder\n");
584 ret = SSL_TLSEXT_ERR_OK;
588 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
591 * If we parsed aia we need to free; otherwise they were copied and we
598 X509_email_free(aia);
600 OCSP_CERTID_free(id);
601 OCSP_REQUEST_free(req);
602 X509_STORE_CTX_free(inctx);
607 * Certificate Status callback. This is called when a client includes a
608 * certificate status request extension. The response is either obtained from a
609 * file, or from an OCSP responder.
611 static int cert_status_cb(SSL *s, void *arg)
613 tlsextstatusctx *srctx = arg;
614 OCSP_RESPONSE *resp = NULL;
615 unsigned char *rspder = NULL;
617 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
620 BIO_puts(bio_err, "cert_status: callback called\n");
622 if (srctx->respin != NULL) {
623 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
624 if (derbio == NULL) {
625 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
628 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
631 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
635 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
636 if (ret != SSL_TLSEXT_ERR_OK)
640 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
644 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
645 if (srctx->verbose) {
646 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
647 OCSP_RESPONSE_print(bio_err, resp, 2);
650 ret = SSL_TLSEXT_ERR_OK;
653 if (ret != SSL_TLSEXT_ERR_OK)
654 ERR_print_errors(bio_err);
656 OCSP_RESPONSE_free(resp);
662 #ifndef OPENSSL_NO_NEXTPROTONEG
663 /* This is the context that we pass to next_proto_cb */
664 typedef struct tlsextnextprotoctx_st {
667 } tlsextnextprotoctx;
669 static int next_proto_cb(SSL *s, const unsigned char **data,
670 unsigned int *len, void *arg)
672 tlsextnextprotoctx *next_proto = arg;
674 *data = next_proto->data;
675 *len = next_proto->len;
677 return SSL_TLSEXT_ERR_OK;
679 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
681 /* This the context that we pass to alpn_cb */
682 typedef struct tlsextalpnctx_st {
687 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
688 const unsigned char *in, unsigned int inlen, void *arg)
690 tlsextalpnctx *alpn_ctx = arg;
693 /* We can assume that |in| is syntactically valid. */
695 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
696 for (i = 0; i < inlen;) {
698 BIO_write(bio_s_out, ", ", 2);
699 BIO_write(bio_s_out, &in[i + 1], in[i]);
702 BIO_write(bio_s_out, "\n", 1);
705 if (SSL_select_next_proto
706 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
707 inlen) != OPENSSL_NPN_NEGOTIATED) {
708 return SSL_TLSEXT_ERR_NOACK;
712 BIO_printf(bio_s_out, "ALPN protocols selected: ");
713 BIO_write(bio_s_out, *out, *outlen);
714 BIO_write(bio_s_out, "\n", 1);
717 return SSL_TLSEXT_ERR_OK;
720 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
722 /* disable resumption for sessions with forward secure ciphers */
723 return is_forward_secure;
726 typedef enum OPTION_choice {
727 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
728 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
729 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
730 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
731 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
732 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
733 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
734 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
735 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
736 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
737 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
738 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
739 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
740 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
741 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
742 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
743 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
744 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
745 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
746 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
747 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
748 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
749 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
750 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_EARLY_DATA, OPT_S_NUM_TICKETS,
757 const OPTIONS s_server_options[] = {
758 {"help", OPT_HELP, '-', "Display this summary"},
759 {"port", OPT_PORT, 'p',
760 "TCP/IP port to listen on for connections (default is " PORT ")"},
761 {"accept", OPT_ACCEPT, 's',
762 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
764 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
766 {"4", OPT_4, '-', "Use IPv4 only"},
767 {"6", OPT_6, '-', "Use IPv6 only"},
769 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
771 {"context", OPT_CONTEXT, 's', "Set session ID context"},
772 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
773 {"Verify", OPT_UPPER_V_VERIFY, 'n',
774 "Turn on peer certificate verification, must have a cert"},
775 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
776 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
777 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
778 {"serverinfo", OPT_SERVERINFO, 's',
779 "PEM serverinfo file for certificate"},
780 {"certform", OPT_CERTFORM, 'F',
781 "Certificate format (PEM or DER) PEM default"},
782 {"key", OPT_KEY, 's',
783 "Private Key if not in -cert; default is " TEST_CERT},
784 {"keyform", OPT_KEYFORM, 'f',
785 "Key format (PEM, DER or ENGINE) PEM default"},
786 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
787 {"dcert", OPT_DCERT, '<',
788 "Second certificate file to use (usually for DSA)"},
789 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
790 {"dcertform", OPT_DCERTFORM, 'F',
791 "Second certificate format (PEM or DER) PEM default"},
792 {"dkey", OPT_DKEY, '<',
793 "Second private key file to use (usually for DSA)"},
794 {"dkeyform", OPT_DKEYFORM, 'F',
795 "Second key format (PEM, DER or ENGINE) PEM default"},
796 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
797 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
798 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
799 {"debug", OPT_DEBUG, '-', "Print more output"},
800 {"msg", OPT_MSG, '-', "Show protocol messages"},
801 {"msgfile", OPT_MSGFILE, '>',
802 "File to send output of -msg or -trace, instead of stdout"},
803 {"state", OPT_STATE, '-', "Print the SSL states"},
804 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
805 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
806 {"no-CAfile", OPT_NOCAFILE, '-',
807 "Do not load the default certificates file"},
808 {"no-CApath", OPT_NOCAPATH, '-',
809 "Do not load certificates from the default certificates directory"},
810 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
811 {"quiet", OPT_QUIET, '-', "No server output"},
812 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
813 "Disable caching and tickets if ephemeral (EC)DH is used"},
814 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
815 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
816 {"servername", OPT_SERVERNAME, 's',
817 "Servername for HostName TLS extension"},
818 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
819 "mismatch send fatal alert (default warning alert)"},
820 {"cert2", OPT_CERT2, '<',
821 "Certificate file to use for servername; default is" TEST_CERT2},
822 {"key2", OPT_KEY2, '<',
823 "-Private Key file to use for servername if not in -cert2"},
824 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
825 "Hex dump of all TLS extensions received"},
826 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
827 {"id_prefix", OPT_ID_PREFIX, 's',
828 "Generate SSL/TLS session IDs prefixed by arg"},
830 {"keymatexport", OPT_KEYMATEXPORT, 's',
831 "Export keying material using label"},
832 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
833 "Export len bytes of keying material (default 20)"},
834 {"CRL", OPT_CRL, '<', "CRL file to use"},
835 {"crl_download", OPT_CRL_DOWNLOAD, '-',
836 "Download CRL from distribution points"},
837 {"cert_chain", OPT_CERT_CHAIN, '<',
838 "certificate chain file in PEM format"},
839 {"dcert_chain", OPT_DCERT_CHAIN, '<',
840 "second certificate chain file in PEM format"},
841 {"chainCApath", OPT_CHAINCAPATH, '/',
842 "use dir as certificate store path to build CA certificate chain"},
843 {"verifyCApath", OPT_VERIFYCAPATH, '/',
844 "use dir as certificate store path to verify CA certificate"},
845 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
846 {"ext_cache", OPT_EXT_CACHE, '-',
847 "Disable internal cache, setup and use external cache"},
848 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
849 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
850 "Close connection on verification error"},
851 {"verify_quiet", OPT_VERIFY_QUIET, '-',
852 "No verify output except verify errors"},
853 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
854 {"chainCAfile", OPT_CHAINCAFILE, '<',
855 "CA file for certificate chain (PEM format)"},
856 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
857 "CA file for certificate verification (PEM format)"},
858 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
859 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
860 #ifndef OPENSSL_NO_OCSP
861 {"status", OPT_STATUS, '-', "Request certificate status from server"},
862 {"status_verbose", OPT_STATUS_VERBOSE, '-',
863 "Print more output in certificate status callback"},
864 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
865 "Status request responder timeout"},
866 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
867 {"status_file", OPT_STATUS_FILE, '<',
868 "File containing DER encoded OCSP Response"},
870 #ifndef OPENSSL_NO_SSL_TRACE
871 {"trace", OPT_TRACE, '-', "trace protocol messages"},
873 {"security_debug", OPT_SECURITY_DEBUG, '-',
874 "Print output from SSL/TLS security framework"},
875 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
876 "Print more output from SSL/TLS security framework"},
877 {"brief", OPT_BRIEF, '-',
878 "Restrict output to brief summary of connection parameters"},
879 {"rev", OPT_REV, '-',
880 "act as a simple test server which just sends back with the received text reversed"},
881 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
882 {"ssl_config", OPT_SSL_CONFIG, 's',
883 "Configure SSL_CTX using the configuration 'val'"},
884 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
885 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
886 "Size used to split data for encrypt pipelines"},
887 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
888 "Maximum number of encrypt/decrypt pipelines to be used"},
889 {"read_buf", OPT_READ_BUF, 'p',
890 "Default read buffer size to be used for connections"},
894 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
895 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
896 #ifndef OPENSSL_NO_PSK
897 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
899 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
900 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
901 #ifndef OPENSSL_NO_SRP
902 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
903 {"srpuserseed", OPT_SRPUSERSEED, 's',
904 "A seed string for a default user salt"},
906 #ifndef OPENSSL_NO_SSL3
907 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
909 #ifndef OPENSSL_NO_TLS1
910 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
912 #ifndef OPENSSL_NO_TLS1_1
913 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
915 #ifndef OPENSSL_NO_TLS1_2
916 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
918 #ifndef OPENSSL_NO_TLS1_3
919 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
921 #ifndef OPENSSL_NO_DTLS
922 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
923 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
924 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
925 {"listen", OPT_LISTEN, '-',
926 "Listen for a DTLS ClientHello with a cookie and then connect"},
928 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
929 #ifndef OPENSSL_NO_DTLS1
930 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
932 #ifndef OPENSSL_NO_DTLS1_2
933 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
935 #ifndef OPENSSL_NO_SCTP
936 {"sctp", OPT_SCTP, '-', "Use SCTP"},
938 #ifndef OPENSSL_NO_DH
939 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
941 #ifndef OPENSSL_NO_NEXTPROTONEG
942 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
943 "Set the advertised protocols for the NPN extension (comma-separated list)"},
945 #ifndef OPENSSL_NO_SRTP
946 {"use_srtp", OPT_SRTP_PROFILES, 's',
947 "Offer SRTP key management with a colon-separated profile list"},
949 {"alpn", OPT_ALPN, 's',
950 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
951 #ifndef OPENSSL_NO_ENGINE
952 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
954 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
955 {"max_early_data", OPT_MAX_EARLY, 'n',
956 "The maximum number of bytes of early data"},
957 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
958 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
959 "The number of TLSv1.3 session tickets that a server will automatically issue" },
960 {NULL, OPT_EOF, 0, NULL}
963 #define IS_PROT_FLAG(o) \
964 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
965 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
967 int s_server_main(int argc, char *argv[])
969 ENGINE *engine = NULL;
970 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
971 SSL_CONF_CTX *cctx = NULL;
972 const SSL_METHOD *meth = TLS_server_method();
973 SSL_EXCERT *exc = NULL;
974 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
975 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
976 STACK_OF(X509_CRL) *crls = NULL;
977 X509 *s_cert = NULL, *s_dcert = NULL;
978 X509_VERIFY_PARAM *vpm = NULL;
979 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
980 char *dpassarg = NULL, *dpass = NULL;
981 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
982 char *crl_file = NULL, *prog;
984 int unlink_unix_path = 0;
986 do_server_cb server_cb;
987 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
988 #ifndef OPENSSL_NO_DH
992 int nocert = 0, ret = 1;
993 int noCApath = 0, noCAfile = 0;
994 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
995 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
996 int rev = 0, naccept = -1, sdebug = 0;
997 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
998 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1000 char *port = BUF_strdup(PORT);
1001 unsigned char *context = NULL;
1003 EVP_PKEY *s_key2 = NULL;
1004 X509 *s_cert2 = NULL;
1005 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1006 const char *ssl_config = NULL;
1007 int read_buf_len = 0;
1008 #ifndef OPENSSL_NO_NEXTPROTONEG
1009 const char *next_proto_neg_in = NULL;
1010 tlsextnextprotoctx next_proto = { NULL, 0 };
1012 const char *alpn_in = NULL;
1013 tlsextalpnctx alpn_ctx = { NULL, 0 };
1014 #ifndef OPENSSL_NO_PSK
1015 /* by default do not send a PSK identity hint */
1016 char *psk_identity_hint = NULL;
1019 #ifndef OPENSSL_NO_SRP
1020 char *srpuserseed = NULL;
1021 char *srp_verifier_file = NULL;
1023 char *srtp_profiles = NULL;
1024 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1025 int s_server_verify = SSL_VERIFY_NONE;
1026 int s_server_session_id_context = 1; /* anything will do */
1027 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1028 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1029 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1030 #ifndef OPENSSL_NO_OCSP
1031 int s_tlsextstatus = 0;
1033 int no_resume_ephemeral = 0;
1034 unsigned int max_send_fragment = 0;
1035 unsigned int split_send_fragment = 0, max_pipelines = 0;
1036 const char *s_serverinfo_file = NULL;
1037 const char *keylog_file = NULL;
1038 int max_early_data = -1;
1039 char *psksessf = NULL;
1041 /* Init of few remaining global variables */
1046 s_nbio = s_nbio_test = 0;
1055 cctx = SSL_CONF_CTX_new();
1056 vpm = X509_VERIFY_PARAM_new();
1057 if (cctx == NULL || vpm == NULL)
1059 SSL_CONF_CTX_set_flags(cctx,
1060 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1062 prog = opt_init(argc, argv, s_server_options);
1063 while ((o = opt_next()) != OPT_EOF) {
1064 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1065 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1068 if (IS_NO_PROT_FLAG(o))
1070 if (prot_opt == 1 && no_prot_opt) {
1072 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1079 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1082 opt_help(s_server_options);
1088 if (socket_family == AF_UNIX) {
1089 OPENSSL_free(host); host = NULL;
1090 OPENSSL_free(port); port = NULL;
1093 socket_family = AF_INET;
1099 if (socket_family == AF_UNIX) {
1100 OPENSSL_free(host); host = NULL;
1101 OPENSSL_free(port); port = NULL;
1104 socket_family = AF_INET6;
1107 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1113 if (socket_family == AF_UNIX) {
1114 socket_family = AF_UNSPEC;
1117 OPENSSL_free(port); port = NULL;
1118 OPENSSL_free(host); host = NULL;
1119 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1121 "%s: -port argument malformed or ambiguous\n",
1128 if (socket_family == AF_UNIX) {
1129 socket_family = AF_UNSPEC;
1132 OPENSSL_free(port); port = NULL;
1133 OPENSSL_free(host); host = NULL;
1134 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1136 "%s: -accept argument malformed or ambiguous\n",
1143 socket_family = AF_UNIX;
1144 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1145 OPENSSL_free(port); port = NULL;
1148 unlink_unix_path = 1;
1152 naccept = atol(opt_arg());
1155 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1156 verify_args.depth = atoi(opt_arg());
1158 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1160 case OPT_UPPER_V_VERIFY:
1162 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1163 SSL_VERIFY_CLIENT_ONCE;
1164 verify_args.depth = atoi(opt_arg());
1167 "verify depth is %d, must return a certificate\n",
1171 context = (unsigned char *)opt_arg();
1174 s_cert_file = opt_arg();
1177 if (!set_nameopt(opt_arg()))
1181 crl_file = opt_arg();
1183 case OPT_CRL_DOWNLOAD:
1186 case OPT_SERVERINFO:
1187 s_serverinfo_file = opt_arg();
1190 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1194 s_key_file = opt_arg();
1197 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1201 passarg = opt_arg();
1203 case OPT_CERT_CHAIN:
1204 s_chain_file = opt_arg();
1207 #ifndef OPENSSL_NO_DH
1212 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1216 s_dcert_file = opt_arg();
1219 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1223 dpassarg = opt_arg();
1226 s_dkey_file = opt_arg();
1228 case OPT_DCERT_CHAIN:
1229 s_dchain_file = opt_arg();
1240 case OPT_CHAINCAPATH:
1241 chCApath = opt_arg();
1243 case OPT_VERIFYCAPATH:
1244 vfyCApath = opt_arg();
1253 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1257 case OPT_S_NUM_TICKETS:
1258 if (ssl_args == NULL)
1259 ssl_args = sk_OPENSSL_STRING_new_null();
1260 if (ssl_args == NULL
1261 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1262 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1263 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1268 if (!opt_verify(o, vpm))
1273 if (!args_excert(o, &exc))
1276 case OPT_VERIFY_RET_ERROR:
1277 verify_args.return_error = 1;
1279 case OPT_VERIFY_QUIET:
1280 verify_args.quiet = 1;
1282 case OPT_BUILD_CHAIN:
1291 case OPT_CHAINCAFILE:
1292 chCAfile = opt_arg();
1294 case OPT_VERIFYCAFILE:
1295 vfyCAfile = opt_arg();
1301 s_nbio = s_nbio_test = 1;
1306 case OPT_NO_IGN_EOF:
1312 case OPT_TLSEXTDEBUG:
1316 #ifndef OPENSSL_NO_OCSP
1320 case OPT_STATUS_VERBOSE:
1321 #ifndef OPENSSL_NO_OCSP
1322 s_tlsextstatus = tlscstatp.verbose = 1;
1325 case OPT_STATUS_TIMEOUT:
1326 #ifndef OPENSSL_NO_OCSP
1328 tlscstatp.timeout = atoi(opt_arg());
1331 case OPT_STATUS_URL:
1332 #ifndef OPENSSL_NO_OCSP
1334 if (!OCSP_parse_url(opt_arg(),
1337 &tlscstatp.path, &tlscstatp.use_ssl)) {
1338 BIO_printf(bio_err, "Error parsing URL\n");
1343 case OPT_STATUS_FILE:
1344 #ifndef OPENSSL_NO_OCSP
1346 tlscstatp.respin = opt_arg();
1353 bio_s_msg = BIO_new_file(opt_arg(), "w");
1356 #ifndef OPENSSL_NO_SSL_TRACE
1360 case OPT_SECURITY_DEBUG:
1363 case OPT_SECURITY_DEBUG_VERBOSE:
1376 s_quiet = s_brief = verify_args.quiet = 1;
1379 #ifndef OPENSSL_NO_DH
1383 case OPT_NO_RESUME_EPHEMERAL:
1384 no_resume_ephemeral = 1;
1386 case OPT_PSK_IDENTITY:
1387 psk_identity = opt_arg();
1390 #ifndef OPENSSL_NO_PSK
1391 psk_identity_hint = opt_arg();
1395 for (p = psk_key = opt_arg(); *p; p++) {
1396 if (isxdigit(_UC(*p)))
1398 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1403 psksessf = opt_arg();
1406 #ifndef OPENSSL_NO_SRP
1407 srp_verifier_file = opt_arg();
1408 if (min_version < TLS1_VERSION)
1409 min_version = TLS1_VERSION;
1412 case OPT_SRPUSERSEED:
1413 #ifndef OPENSSL_NO_SRP
1414 srpuserseed = opt_arg();
1415 if (min_version < TLS1_VERSION)
1416 min_version = TLS1_VERSION;
1431 case OPT_SSL_CONFIG:
1432 ssl_config = opt_arg();
1435 min_version = SSL3_VERSION;
1436 max_version = SSL3_VERSION;
1439 min_version = TLS1_3_VERSION;
1440 max_version = TLS1_3_VERSION;
1443 min_version = TLS1_2_VERSION;
1444 max_version = TLS1_2_VERSION;
1447 min_version = TLS1_1_VERSION;
1448 max_version = TLS1_1_VERSION;
1451 min_version = TLS1_VERSION;
1452 max_version = TLS1_VERSION;
1455 #ifndef OPENSSL_NO_DTLS
1456 meth = DTLS_server_method();
1457 socket_type = SOCK_DGRAM;
1461 #ifndef OPENSSL_NO_DTLS
1462 meth = DTLS_server_method();
1463 min_version = DTLS1_VERSION;
1464 max_version = DTLS1_VERSION;
1465 socket_type = SOCK_DGRAM;
1469 #ifndef OPENSSL_NO_DTLS
1470 meth = DTLS_server_method();
1471 min_version = DTLS1_2_VERSION;
1472 max_version = DTLS1_2_VERSION;
1473 socket_type = SOCK_DGRAM;
1477 #ifndef OPENSSL_NO_SCTP
1478 protocol = IPPROTO_SCTP;
1482 #ifndef OPENSSL_NO_DTLS
1483 enable_timeouts = 1;
1487 #ifndef OPENSSL_NO_DTLS
1488 socket_mtu = atol(opt_arg());
1492 #ifndef OPENSSL_NO_DTLS
1500 session_id_prefix = opt_arg();
1503 engine = setup_engine(opt_arg(), 1);
1509 case OPT_SERVERNAME:
1510 tlsextcbp.servername = opt_arg();
1512 case OPT_SERVERNAME_FATAL:
1513 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1516 s_cert_file2 = opt_arg();
1519 s_key_file2 = opt_arg();
1521 case OPT_NEXTPROTONEG:
1522 # ifndef OPENSSL_NO_NEXTPROTONEG
1523 next_proto_neg_in = opt_arg();
1527 alpn_in = opt_arg();
1529 case OPT_SRTP_PROFILES:
1530 srtp_profiles = opt_arg();
1532 case OPT_KEYMATEXPORT:
1533 keymatexportlabel = opt_arg();
1535 case OPT_KEYMATEXPORTLEN:
1536 keymatexportlen = atoi(opt_arg());
1541 case OPT_MAX_SEND_FRAG:
1542 max_send_fragment = atoi(opt_arg());
1544 case OPT_SPLIT_SEND_FRAG:
1545 split_send_fragment = atoi(opt_arg());
1547 case OPT_MAX_PIPELINES:
1548 max_pipelines = atoi(opt_arg());
1551 read_buf_len = atoi(opt_arg());
1553 case OPT_KEYLOG_FILE:
1554 keylog_file = opt_arg();
1557 max_early_data = atoi(opt_arg());
1558 if (max_early_data < 0) {
1559 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1563 case OPT_EARLY_DATA:
1565 if (max_early_data == -1)
1566 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1570 argc = opt_num_rest();
1573 #ifndef OPENSSL_NO_NEXTPROTONEG
1574 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1575 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1579 #ifndef OPENSSL_NO_DTLS
1580 if (www && socket_type == SOCK_DGRAM) {
1581 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1585 if (dtlslisten && socket_type != SOCK_DGRAM) {
1586 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1591 if (stateless && socket_type != SOCK_STREAM) {
1592 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1597 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1599 "Can't use unix sockets and datagrams together\n");
1604 #ifndef OPENSSL_NO_SCTP
1605 if (protocol == IPPROTO_SCTP) {
1606 if (socket_type != SOCK_DGRAM) {
1607 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1610 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1611 socket_type = SOCK_STREAM;
1615 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1616 BIO_printf(bio_err, "Error getting password\n");
1620 if (s_key_file == NULL)
1621 s_key_file = s_cert_file;
1623 if (s_key_file2 == NULL)
1624 s_key_file2 = s_cert_file2;
1626 if (!load_excert(&exc))
1630 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1631 "server certificate private key file");
1632 if (s_key == NULL) {
1633 ERR_print_errors(bio_err);
1637 s_cert = load_cert(s_cert_file, s_cert_format,
1638 "server certificate file");
1640 if (s_cert == NULL) {
1641 ERR_print_errors(bio_err);
1644 if (s_chain_file != NULL) {
1645 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1646 "server certificate chain"))
1650 if (tlsextcbp.servername != NULL) {
1651 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1652 "second server certificate private key file");
1653 if (s_key2 == NULL) {
1654 ERR_print_errors(bio_err);
1658 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1659 "second server certificate file");
1661 if (s_cert2 == NULL) {
1662 ERR_print_errors(bio_err);
1667 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1668 if (next_proto_neg_in) {
1669 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1670 if (next_proto.data == NULL)
1674 alpn_ctx.data = NULL;
1676 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1677 if (alpn_ctx.data == NULL)
1681 if (crl_file != NULL) {
1683 crl = load_crl(crl_file, crl_format);
1685 BIO_puts(bio_err, "Error loading CRL\n");
1686 ERR_print_errors(bio_err);
1689 crls = sk_X509_CRL_new_null();
1690 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1691 BIO_puts(bio_err, "Error adding CRL\n");
1692 ERR_print_errors(bio_err);
1698 if (s_dcert_file != NULL) {
1700 if (s_dkey_file == NULL)
1701 s_dkey_file = s_dcert_file;
1703 s_dkey = load_key(s_dkey_file, s_dkey_format,
1704 0, dpass, engine, "second certificate private key file");
1705 if (s_dkey == NULL) {
1706 ERR_print_errors(bio_err);
1710 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1711 "second server certificate file");
1713 if (s_dcert == NULL) {
1714 ERR_print_errors(bio_err);
1717 if (s_dchain_file != NULL) {
1718 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1719 "second server certificate chain"))
1725 if (bio_s_out == NULL) {
1726 if (s_quiet && !s_debug) {
1727 bio_s_out = BIO_new(BIO_s_null());
1728 if (s_msg && bio_s_msg == NULL)
1729 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1731 if (bio_s_out == NULL)
1732 bio_s_out = dup_bio_out(FORMAT_TEXT);
1735 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1741 s_dcert_file = NULL;
1743 s_cert_file2 = NULL;
1747 ctx = SSL_CTX_new(meth);
1749 ERR_print_errors(bio_err);
1753 ssl_ctx_security_debug(ctx, sdebug);
1755 if (!config_ctx(cctx, ssl_args, ctx))
1759 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1760 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1762 ERR_print_errors(bio_err);
1766 if (min_version != 0
1767 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1769 if (max_version != 0
1770 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1773 if (session_id_prefix) {
1774 if (strlen(session_id_prefix) >= 32)
1776 "warning: id_prefix is too long, only one new session will be possible\n");
1777 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1778 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1779 ERR_print_errors(bio_err);
1782 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1784 SSL_CTX_set_quiet_shutdown(ctx, 1);
1786 ssl_ctx_set_excert(ctx, exc);
1789 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1791 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1793 init_session_cache_ctx(ctx);
1795 SSL_CTX_sess_set_cache_size(ctx, 128);
1798 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1801 if (max_send_fragment > 0
1802 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1803 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1804 prog, max_send_fragment);
1808 if (split_send_fragment > 0
1809 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1810 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1811 prog, split_send_fragment);
1814 if (max_pipelines > 0
1815 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1816 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1817 prog, max_pipelines);
1821 if (read_buf_len > 0) {
1822 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1824 #ifndef OPENSSL_NO_SRTP
1825 if (srtp_profiles != NULL) {
1826 /* Returns 0 on success! */
1827 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1828 BIO_printf(bio_err, "Error setting SRTP profile\n");
1829 ERR_print_errors(bio_err);
1835 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1836 ERR_print_errors(bio_err);
1839 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1840 BIO_printf(bio_err, "Error setting verify params\n");
1841 ERR_print_errors(bio_err);
1845 ssl_ctx_add_crls(ctx, crls, 0);
1847 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1848 crls, crl_download)) {
1849 BIO_printf(bio_err, "Error loading store locations\n");
1850 ERR_print_errors(bio_err);
1855 ctx2 = SSL_CTX_new(meth);
1857 ERR_print_errors(bio_err);
1863 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1866 ssl_ctx_security_debug(ctx, sdebug);
1868 if (session_id_prefix) {
1869 if (strlen(session_id_prefix) >= 32)
1871 "warning: id_prefix is too long, only one new session will be possible\n");
1872 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1873 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1874 ERR_print_errors(bio_err);
1877 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1879 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1881 ssl_ctx_set_excert(ctx2, exc);
1884 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1887 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1889 init_session_cache_ctx(ctx2);
1891 SSL_CTX_sess_set_cache_size(ctx2, 128);
1894 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1896 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1898 ERR_print_errors(bio_err);
1901 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1902 BIO_printf(bio_err, "Error setting verify params\n");
1903 ERR_print_errors(bio_err);
1907 ssl_ctx_add_crls(ctx2, crls, 0);
1908 if (!config_ctx(cctx, ssl_args, ctx2))
1911 #ifndef OPENSSL_NO_NEXTPROTONEG
1912 if (next_proto.data)
1913 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1917 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1919 #ifndef OPENSSL_NO_DH
1924 dh = load_dh_param(dhfile);
1925 else if (s_cert_file != NULL)
1926 dh = load_dh_param(s_cert_file);
1929 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1931 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1933 (void)BIO_flush(bio_s_out);
1936 SSL_CTX_set_dh_auto(ctx, 1);
1937 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1938 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1939 ERR_print_errors(bio_err);
1946 DH *dh2 = load_dh_param(s_cert_file2);
1948 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1949 (void)BIO_flush(bio_s_out);
1956 SSL_CTX_set_dh_auto(ctx2, 1);
1957 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1958 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1959 ERR_print_errors(bio_err);
1968 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1971 if (s_serverinfo_file != NULL
1972 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1973 ERR_print_errors(bio_err);
1978 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1981 if (s_dcert != NULL) {
1982 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1986 if (no_resume_ephemeral) {
1987 SSL_CTX_set_not_resumable_session_callback(ctx,
1988 not_resumable_sess_cb);
1991 SSL_CTX_set_not_resumable_session_callback(ctx2,
1992 not_resumable_sess_cb);
1994 #ifndef OPENSSL_NO_PSK
1995 if (psk_key != NULL) {
1997 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1998 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2001 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2002 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2003 ERR_print_errors(bio_err);
2007 if (psksessf != NULL) {
2008 BIO *stmp = BIO_new_file(psksessf, "r");
2011 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2012 ERR_print_errors(bio_err);
2015 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2017 if (psksess == NULL) {
2018 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2019 ERR_print_errors(bio_err);
2025 if (psk_key != NULL || psksess != NULL)
2026 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2028 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2029 if (!SSL_CTX_set_session_id_context(ctx,
2030 (void *)&s_server_session_id_context,
2031 sizeof(s_server_session_id_context))) {
2032 BIO_printf(bio_err, "error setting session id context\n");
2033 ERR_print_errors(bio_err);
2037 /* Set DTLS cookie generation and verification callbacks */
2038 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2039 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2041 /* Set TLS1.3 cookie generation and verification callbacks */
2042 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2043 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2046 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2047 if (!SSL_CTX_set_session_id_context(ctx2,
2048 (void *)&s_server_session_id_context,
2049 sizeof(s_server_session_id_context))) {
2050 BIO_printf(bio_err, "error setting session id context\n");
2051 ERR_print_errors(bio_err);
2054 tlsextcbp.biodebug = bio_s_out;
2055 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2056 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2057 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2058 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2061 #ifndef OPENSSL_NO_SRP
2062 if (srp_verifier_file != NULL) {
2063 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2064 srp_callback_parm.user = NULL;
2065 srp_callback_parm.login = NULL;
2067 SRP_VBASE_init(srp_callback_parm.vb,
2068 srp_verifier_file)) != SRP_NO_ERROR) {
2070 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2071 srp_verifier_file, ret);
2074 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2075 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2076 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2079 if (CAfile != NULL) {
2080 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2083 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2085 #ifndef OPENSSL_NO_OCSP
2086 if (s_tlsextstatus) {
2087 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2088 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2090 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2091 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2095 if (set_keylog_file(ctx, keylog_file))
2098 if (max_early_data >= 0)
2099 SSL_CTX_set_max_early_data(ctx, max_early_data);
2102 server_cb = rev_body;
2104 server_cb = www_body;
2106 server_cb = sv_body;
2108 if (socket_family == AF_UNIX
2109 && unlink_unix_path)
2112 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2113 server_cb, context, naccept, bio_s_out);
2114 print_stats(bio_s_out, ctx);
2118 SSL_SESSION_free(psksess);
2119 set_keylog_file(NULL, NULL);
2121 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2123 EVP_PKEY_free(s_key);
2124 EVP_PKEY_free(s_dkey);
2125 sk_X509_pop_free(s_chain, X509_free);
2126 sk_X509_pop_free(s_dchain, X509_free);
2128 OPENSSL_free(dpass);
2131 X509_VERIFY_PARAM_free(vpm);
2133 OPENSSL_free(tlscstatp.host);
2134 OPENSSL_free(tlscstatp.port);
2135 OPENSSL_free(tlscstatp.path);
2138 EVP_PKEY_free(s_key2);
2139 #ifndef OPENSSL_NO_NEXTPROTONEG
2140 OPENSSL_free(next_proto.data);
2142 OPENSSL_free(alpn_ctx.data);
2143 ssl_excert_free(exc);
2144 sk_OPENSSL_STRING_free(ssl_args);
2145 SSL_CONF_CTX_free(cctx);
2146 release_engine(engine);
2147 BIO_free(bio_s_out);
2149 BIO_free(bio_s_msg);
2151 #ifdef CHARSET_EBCDIC
2152 BIO_meth_free(methods_ebcdic);
2157 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2159 BIO_printf(bio, "%4ld items in the session cache\n",
2160 SSL_CTX_sess_number(ssl_ctx));
2161 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2162 SSL_CTX_sess_connect(ssl_ctx));
2163 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2164 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2165 BIO_printf(bio, "%4ld client connects that finished\n",
2166 SSL_CTX_sess_connect_good(ssl_ctx));
2167 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2168 SSL_CTX_sess_accept(ssl_ctx));
2169 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2170 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2171 BIO_printf(bio, "%4ld server accepts that finished\n",
2172 SSL_CTX_sess_accept_good(ssl_ctx));
2173 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2174 BIO_printf(bio, "%4ld session cache misses\n",
2175 SSL_CTX_sess_misses(ssl_ctx));
2176 BIO_printf(bio, "%4ld session cache timeouts\n",
2177 SSL_CTX_sess_timeouts(ssl_ctx));
2178 BIO_printf(bio, "%4ld callback cache hits\n",
2179 SSL_CTX_sess_cb_hits(ssl_ctx));
2180 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2181 SSL_CTX_sess_cache_full(ssl_ctx),
2182 SSL_CTX_sess_get_cache_size(ssl_ctx));
2185 static int sv_body(int s, int stype, int prot, unsigned char *context)
2194 struct timeval timeout;
2195 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2196 struct timeval *timeoutp;
2198 #ifndef OPENSSL_NO_DTLS
2199 # ifndef OPENSSL_NO_SCTP
2200 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2202 int isdtls = (stype == SOCK_DGRAM);
2206 buf = app_malloc(bufsize, "server buffer");
2208 if (!BIO_socket_nbio(s, 1))
2209 ERR_print_errors(bio_err);
2211 BIO_printf(bio_err, "Turned on non blocking io\n");
2220 if (s_tlsextdebug) {
2221 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2222 SSL_set_tlsext_debug_arg(con, bio_s_out);
2226 && !SSL_set_session_id_context(con, context,
2227 strlen((char *)context))) {
2228 BIO_printf(bio_err, "Error setting session id context\n");
2233 if (!SSL_clear(con)) {
2234 BIO_printf(bio_err, "Error clearing SSL connection\n");
2238 #ifndef OPENSSL_NO_DTLS
2240 # ifndef OPENSSL_NO_SCTP
2241 if (prot == IPPROTO_SCTP)
2242 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2245 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2247 if (enable_timeouts) {
2249 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2250 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2253 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2254 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2258 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2259 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2260 DTLS_get_link_min_mtu(con));
2265 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2266 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2267 BIO_printf(bio_err, "Failed to set MTU\n");
2273 /* want to do MTU discovery */
2274 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2276 # ifndef OPENSSL_NO_SCTP
2277 if (prot != IPPROTO_SCTP)
2279 /* Turn on cookie exchange. Not necessary for SCTP */
2280 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2283 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2286 BIO_printf(bio_err, "Unable to create BIO\n");
2287 ERR_print_errors(bio_err);
2294 test = BIO_new(BIO_f_nbio_test());
2295 sbio = BIO_push(test, sbio);
2298 SSL_set_bio(con, sbio, sbio);
2299 SSL_set_accept_state(con);
2300 /* SSL_set_fd(con,s); */
2303 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2304 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2307 #ifndef OPENSSL_NO_SSL_TRACE
2309 SSL_set_msg_callback(con, SSL_trace);
2312 SSL_set_msg_callback(con, msg_cb);
2313 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2316 if (s_tlsextdebug) {
2317 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2318 SSL_set_tlsext_debug_arg(con, bio_s_out);
2322 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2325 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2327 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2328 if (edret != SSL_READ_EARLY_DATA_ERROR)
2331 switch (SSL_get_error(con, 0)) {
2332 case SSL_ERROR_WANT_WRITE:
2333 case SSL_ERROR_WANT_ASYNC:
2334 case SSL_ERROR_WANT_READ:
2335 /* Just keep trying - busy waiting */
2338 BIO_printf(bio_err, "Error reading early data\n");
2339 ERR_print_errors(bio_err);
2343 if (readbytes > 0) {
2345 BIO_printf(bio_s_out, "Early data received:\n");
2348 raw_write_stdout(buf, (unsigned int)readbytes);
2349 (void)BIO_flush(bio_s_out);
2353 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2354 BIO_printf(bio_s_out, "No early data received\n");
2356 BIO_printf(bio_s_out, "Early data was rejected\n");
2358 BIO_printf(bio_s_out, "\nEnd of early data\n");
2360 if (SSL_is_init_finished(con))
2361 print_connection_info(con);
2364 if (fileno_stdin() > s)
2365 width = fileno_stdin() + 1;
2369 int read_from_terminal;
2370 int read_from_sslcon;
2372 read_from_terminal = 0;
2373 read_from_sslcon = SSL_has_pending(con)
2374 || (async && SSL_waiting_for_async(con));
2376 if (!read_from_sslcon) {
2378 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2379 openssl_fdset(fileno_stdin(), &readfds);
2381 openssl_fdset(s, &readfds);
2383 * Note: under VMS with SOCKETSHR the second parameter is
2384 * currently of type (int *) whereas under other systems it is
2385 * (void *) if you don't have a cast it will choke the compiler:
2386 * if you do have a cast then you can either go for (int *) or
2389 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2391 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2392 * only on sockets. As a workaround we timeout the select every
2393 * second and check for any keypress. In a proper Windows
2394 * application we wouldn't do this because it is inefficient.
2397 timeout.tv_usec = 0;
2398 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2399 if (has_stdin_waiting())
2400 read_from_terminal = 1;
2401 if ((i < 0) || (!i && !read_from_terminal))
2404 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2405 timeoutp = &timeout;
2409 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2411 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2412 BIO_printf(bio_err, "TIMEOUT occurred\n");
2416 if (FD_ISSET(fileno_stdin(), &readfds))
2417 read_from_terminal = 1;
2419 if (FD_ISSET(s, &readfds))
2420 read_from_sslcon = 1;
2422 if (read_from_terminal) {
2426 i = raw_read_stdin(buf, bufsize / 2);
2428 /* both loops are skipped when i <= 0 */
2429 for (j = 0; j < i; j++)
2432 for (j = i - 1; j >= 0; j--) {
2433 buf[j + lf_num] = buf[j];
2434 if (buf[j] == '\n') {
2437 buf[j + lf_num] = '\r';
2440 assert(lf_num == 0);
2442 i = raw_read_stdin(buf, bufsize);
2445 if (!s_quiet && !s_brief) {
2446 if ((i <= 0) || (buf[0] == 'Q')) {
2447 BIO_printf(bio_s_out, "DONE\n");
2448 (void)BIO_flush(bio_s_out);
2450 close_accept_socket();
2454 if ((i <= 0) || (buf[0] == 'q')) {
2455 BIO_printf(bio_s_out, "DONE\n");
2456 (void)BIO_flush(bio_s_out);
2457 if (SSL_version(con) != DTLS1_VERSION)
2460 * close_accept_socket(); ret= -11;
2464 #ifndef OPENSSL_NO_HEARTBEATS
2465 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2466 BIO_printf(bio_err, "HEARTBEATING\n");
2472 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2473 SSL_renegotiate(con);
2474 i = SSL_do_handshake(con);
2475 printf("SSL_do_handshake -> %d\n", i);
2479 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2481 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2483 SSL_renegotiate(con);
2484 i = SSL_do_handshake(con);
2485 printf("SSL_do_handshake -> %d\n", i);
2489 if ((buf[0] == 'K' || buf[0] == 'k')
2490 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2491 SSL_key_update(con, buf[0] == 'K' ?
2492 SSL_KEY_UPDATE_REQUESTED
2493 : SSL_KEY_UPDATE_NOT_REQUESTED);
2494 i = SSL_do_handshake(con);
2495 printf("SSL_do_handshake -> %d\n", i);
2499 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2500 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2501 i = SSL_verify_client_post_handshake(con);
2503 printf("Failed to initiate request\n");
2504 ERR_print_errors(bio_err);
2506 i = SSL_do_handshake(con);
2507 printf("SSL_do_handshake -> %d\n", i);
2512 if (buf[0] == 'P') {
2513 static const char *str = "Lets print some clear text\n";
2514 BIO_write(SSL_get_wbio(con), str, strlen(str));
2516 if (buf[0] == 'S') {
2517 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2520 #ifdef CHARSET_EBCDIC
2521 ebcdic2ascii(buf, buf, i);
2525 /* should do a select for the write */
2528 if (++count == 100) {
2530 SSL_renegotiate(con);
2533 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2534 #ifndef OPENSSL_NO_SRP
2535 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2536 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2537 SRP_user_pwd_free(srp_callback_parm.user);
2538 srp_callback_parm.user =
2539 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2540 srp_callback_parm.login);
2541 if (srp_callback_parm.user)
2542 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2543 srp_callback_parm.user->info);
2545 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2546 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2549 switch (SSL_get_error(con, k)) {
2550 case SSL_ERROR_NONE:
2552 case SSL_ERROR_WANT_ASYNC:
2553 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2554 (void)BIO_flush(bio_s_out);
2555 wait_for_async(con);
2557 case SSL_ERROR_WANT_WRITE:
2558 case SSL_ERROR_WANT_READ:
2559 case SSL_ERROR_WANT_X509_LOOKUP:
2560 BIO_printf(bio_s_out, "Write BLOCK\n");
2561 (void)BIO_flush(bio_s_out);
2563 case SSL_ERROR_WANT_ASYNC_JOB:
2565 * This shouldn't ever happen in s_server. Treat as an error
2567 case SSL_ERROR_SYSCALL:
2569 BIO_printf(bio_s_out, "ERROR\n");
2570 (void)BIO_flush(bio_s_out);
2571 ERR_print_errors(bio_err);
2575 case SSL_ERROR_ZERO_RETURN:
2576 BIO_printf(bio_s_out, "DONE\n");
2577 (void)BIO_flush(bio_s_out);
2589 if (read_from_sslcon) {
2591 * init_ssl_connection handles all async events itself so if we're
2592 * waiting for async then we shouldn't go back into
2593 * init_ssl_connection
2595 if ((!async || !SSL_waiting_for_async(con))
2596 && !SSL_is_init_finished(con)) {
2597 i = init_ssl_connection(con);
2602 } else if (i == 0) {
2608 i = SSL_read(con, (char *)buf, bufsize);
2609 #ifndef OPENSSL_NO_SRP
2610 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2611 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2612 SRP_user_pwd_free(srp_callback_parm.user);
2613 srp_callback_parm.user =
2614 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2615 srp_callback_parm.login);
2616 if (srp_callback_parm.user)
2617 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2618 srp_callback_parm.user->info);
2620 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2621 i = SSL_read(con, (char *)buf, bufsize);
2624 switch (SSL_get_error(con, i)) {
2625 case SSL_ERROR_NONE:
2626 #ifdef CHARSET_EBCDIC
2627 ascii2ebcdic(buf, buf, i);
2629 raw_write_stdout(buf, (unsigned int)i);
2630 (void)BIO_flush(bio_s_out);
2631 if (SSL_has_pending(con))
2634 case SSL_ERROR_WANT_ASYNC:
2635 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2636 (void)BIO_flush(bio_s_out);
2637 wait_for_async(con);
2639 case SSL_ERROR_WANT_WRITE:
2640 case SSL_ERROR_WANT_READ:
2641 BIO_printf(bio_s_out, "Read BLOCK\n");
2642 (void)BIO_flush(bio_s_out);
2644 case SSL_ERROR_WANT_ASYNC_JOB:
2646 * This shouldn't ever happen in s_server. Treat as an error
2648 case SSL_ERROR_SYSCALL:
2650 BIO_printf(bio_s_out, "ERROR\n");
2651 (void)BIO_flush(bio_s_out);
2652 ERR_print_errors(bio_err);
2655 case SSL_ERROR_ZERO_RETURN:
2656 BIO_printf(bio_s_out, "DONE\n");
2657 (void)BIO_flush(bio_s_out);
2666 BIO_printf(bio_s_out, "shutting down SSL\n");
2667 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2670 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2671 OPENSSL_clear_free(buf, bufsize);
2675 static void close_accept_socket(void)
2677 BIO_printf(bio_err, "shutdown accept socket\n");
2678 if (accept_socket >= 0) {
2679 BIO_closesocket(accept_socket);
2683 static int is_retryable(SSL *con, int i)
2685 int err = SSL_get_error(con, i);
2687 /* If it's not a fatal error, it must be retryable */
2688 return (err != SSL_ERROR_SSL)
2689 && (err != SSL_ERROR_SYSCALL)
2690 && (err != SSL_ERROR_ZERO_RETURN);
2693 static int init_ssl_connection(SSL *con)
2699 if (dtlslisten || stateless) {
2700 BIO_ADDR *client = NULL;
2703 if ((client = BIO_ADDR_new()) == NULL) {
2704 BIO_printf(bio_err, "ERROR - memory\n");
2707 i = DTLSv1_listen(con, client);
2709 i = SSL_stateless(con);
2716 wbio = SSL_get_wbio(con);
2718 BIO_get_fd(wbio, &fd);
2721 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2722 BIO_printf(bio_err, "ERROR - unable to connect\n");
2723 BIO_ADDR_free(client);
2726 BIO_ADDR_free(client);
2731 i = SSL_accept(con);
2733 BIO_ADDR_free(client);
2737 i = SSL_accept(con);
2740 retry = is_retryable(con, i);
2741 #ifdef CERT_CB_TEST_RETRY
2744 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2745 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2747 "LOOKUP from certificate callback during accept\n");
2748 i = SSL_accept(con);
2750 retry = is_retryable(con, i);
2755 #ifndef OPENSSL_NO_SRP
2757 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2758 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2759 srp_callback_parm.login);
2760 SRP_user_pwd_free(srp_callback_parm.user);
2761 srp_callback_parm.user =
2762 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2763 srp_callback_parm.login);
2764 if (srp_callback_parm.user)
2765 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2766 srp_callback_parm.user->info);
2768 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2769 i = SSL_accept(con);
2771 retry = is_retryable(con, i);
2774 } while (i < 0 && SSL_waiting_for_async(con));
2778 if (((dtlslisten || stateless) && i == 0)
2779 || (!dtlslisten && !stateless && retry)) {
2780 BIO_printf(bio_s_out, "DELAY\n");
2784 BIO_printf(bio_err, "ERROR\n");
2786 verify_err = SSL_get_verify_result(con);
2787 if (verify_err != X509_V_OK) {
2788 BIO_printf(bio_err, "verify error:%s\n",
2789 X509_verify_cert_error_string(verify_err));
2791 /* Always print any error messages */
2792 ERR_print_errors(bio_err);
2796 print_connection_info(con);
2800 static void print_connection_info(SSL *con)
2805 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2806 const unsigned char *next_proto_neg;
2807 unsigned next_proto_neg_len;
2809 unsigned char *exportedkeymat;
2813 print_ssl_summary(con);
2815 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2817 peer = SSL_get_peer_certificate(con);
2819 BIO_printf(bio_s_out, "Client certificate\n");
2820 PEM_write_bio_X509(bio_s_out, peer);
2821 dump_cert_text(bio_s_out, peer);
2826 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2827 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2828 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2829 ssl_print_sigalgs(bio_s_out, con);
2830 #ifndef OPENSSL_NO_EC
2831 ssl_print_point_formats(bio_s_out, con);
2832 ssl_print_groups(bio_s_out, con, 0);
2834 print_ca_names(bio_s_out, con);
2835 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2837 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2838 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2839 if (next_proto_neg) {
2840 BIO_printf(bio_s_out, "NEXTPROTO is ");
2841 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2842 BIO_printf(bio_s_out, "\n");
2845 #ifndef OPENSSL_NO_SRTP
2847 SRTP_PROTECTION_PROFILE *srtp_profile
2848 = SSL_get_selected_srtp_profile(con);
2851 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2852 srtp_profile->name);
2855 if (SSL_session_reused(con))
2856 BIO_printf(bio_s_out, "Reused session-id\n");
2857 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2858 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2859 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2860 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2862 if (keymatexportlabel != NULL) {
2863 BIO_printf(bio_s_out, "Keying material exporter:\n");
2864 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2865 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2866 exportedkeymat = app_malloc(keymatexportlen, "export key");
2867 if (!SSL_export_keying_material(con, exportedkeymat,
2870 strlen(keymatexportlabel),
2872 BIO_printf(bio_s_out, " Error\n");
2874 BIO_printf(bio_s_out, " Keying material: ");
2875 for (i = 0; i < keymatexportlen; i++)
2876 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2877 BIO_printf(bio_s_out, "\n");
2879 OPENSSL_free(exportedkeymat);
2882 (void)BIO_flush(bio_s_out);
2885 #ifndef OPENSSL_NO_DH
2886 static DH *load_dh_param(const char *dhfile)
2891 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2893 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2900 static int www_body(int s, int stype, int prot, unsigned char *context)
2906 const SSL_CIPHER *c;
2907 BIO *io, *ssl_bio, *sbio;
2909 int total_bytes = 0;
2914 /* Set width for a select call if needed */
2917 buf = app_malloc(bufsize, "server www buffer");
2918 io = BIO_new(BIO_f_buffer());
2919 ssl_bio = BIO_new(BIO_f_ssl());
2920 if ((io == NULL) || (ssl_bio == NULL))
2924 if (!BIO_socket_nbio(s, 1))
2925 ERR_print_errors(bio_err);
2927 BIO_printf(bio_err, "Turned on non blocking io\n");
2930 /* lets make the output buffer a reasonable size */
2931 if (!BIO_set_write_buffer_size(io, bufsize))
2934 if ((con = SSL_new(ctx)) == NULL)
2937 if (s_tlsextdebug) {
2938 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2939 SSL_set_tlsext_debug_arg(con, bio_s_out);
2943 && !SSL_set_session_id_context(con, context,
2944 strlen((char *)context)))
2947 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2951 test = BIO_new(BIO_f_nbio_test());
2952 sbio = BIO_push(test, sbio);
2954 SSL_set_bio(con, sbio, sbio);
2955 SSL_set_accept_state(con);
2957 /* SSL_set_fd(con,s); */
2958 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2959 BIO_push(io, ssl_bio);
2960 #ifdef CHARSET_EBCDIC
2961 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2965 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2966 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2969 #ifndef OPENSSL_NO_SSL_TRACE
2971 SSL_set_msg_callback(con, SSL_trace);
2974 SSL_set_msg_callback(con, msg_cb);
2975 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2979 i = BIO_gets(io, buf, bufsize - 1);
2980 if (i < 0) { /* error */
2981 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2983 ERR_print_errors(bio_err);
2986 BIO_printf(bio_s_out, "read R BLOCK\n");
2987 #ifndef OPENSSL_NO_SRP
2988 if (BIO_should_io_special(io)
2989 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2990 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2991 SRP_user_pwd_free(srp_callback_parm.user);
2992 srp_callback_parm.user =
2993 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2994 srp_callback_parm.login);
2995 if (srp_callback_parm.user)
2996 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2997 srp_callback_parm.user->info);
2999 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3003 #if !defined(OPENSSL_SYS_MSDOS)
3008 } else if (i == 0) { /* end of input */
3013 /* else we have data */
3014 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3015 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3018 STACK_OF(SSL_CIPHER) *sk;
3019 static const char *space = " ";
3021 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3022 if (strncmp("GET /renegcert", buf, 14) == 0)
3024 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3026 i = SSL_renegotiate(con);
3027 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3028 /* Send the HelloRequest */
3029 i = SSL_do_handshake(con);
3031 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3032 SSL_get_error(con, i));
3033 ERR_print_errors(bio_err);
3036 /* Wait for a ClientHello to come back */
3038 openssl_fdset(s, &readfds);
3039 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3040 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3041 BIO_printf(bio_s_out,
3042 "Error waiting for client response\n");
3043 ERR_print_errors(bio_err);
3047 * We're not actually expecting any data here and we ignore
3048 * any that is sent. This is just to force the handshake that
3049 * we're expecting to come from the client. If they haven't
3050 * sent one there's not much we can do.
3052 BIO_gets(io, buf, bufsize - 1);
3056 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3057 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3058 BIO_puts(io, "<pre>\n");
3059 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3061 for (i = 0; i < local_argc; i++) {
3063 for (myp = local_argv[i]; *myp; myp++)
3066 BIO_puts(io, "<");
3069 BIO_puts(io, ">");
3072 BIO_puts(io, "&");
3075 BIO_write(io, myp, 1);
3078 BIO_write(io, " ", 1);
3083 "Secure Renegotiation IS%s supported\n",
3084 SSL_get_secure_renegotiation_support(con) ?
3088 * The following is evil and should not really be done
3090 BIO_printf(io, "Ciphers supported in s_server binary\n");
3091 sk = SSL_get_ciphers(con);
3092 j = sk_SSL_CIPHER_num(sk);
3093 for (i = 0; i < j; i++) {
3094 c = sk_SSL_CIPHER_value(sk, i);
3095 BIO_printf(io, "%-11s:%-25s ",
3096 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3097 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3101 p = SSL_get_shared_ciphers(con, buf, bufsize);
3104 "---\nCiphers common between both SSL end points:\n");
3108 BIO_write(io, space, 26 - j);
3111 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3113 BIO_write(io, p, 1);
3120 ssl_print_sigalgs(io, con);
3121 #ifndef OPENSSL_NO_EC
3122 ssl_print_groups(io, con, 0);
3124 print_ca_names(io, con);
3125 BIO_printf(io, (SSL_session_reused(con)
3126 ? "---\nReused, " : "---\nNew, "));
3127 c = SSL_get_current_cipher(con);
3128 BIO_printf(io, "%s, Cipher is %s\n",
3129 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3130 SSL_SESSION_print(io, SSL_get_session(con));
3131 BIO_printf(io, "---\n");
3132 print_stats(io, SSL_get_SSL_CTX(con));
3133 BIO_printf(io, "---\n");
3134 peer = SSL_get_peer_certificate(con);
3136 BIO_printf(io, "Client certificate\n");
3137 X509_print(io, peer);
3138 PEM_write_bio_X509(io, peer);
3142 BIO_puts(io, "no client certificate available\n");
3144 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3146 } else if ((www == 2 || www == 3)
3147 && (strncmp("GET /", buf, 5) == 0)) {
3150 static const char *text =
3151 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3157 for (e = p; *e != '\0'; e++) {
3163 dot = (e[0] == '.') ? 2 : 0;
3166 dot = (e[0] == '.') ? 3 : 0;
3169 dot = (e[0] == '/') ? -1 : 0;
3173 dot = (e[0] == '/') ? 1 : 0;
3175 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3180 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3187 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3193 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3197 /* if a directory, do the index thang */
3198 if (app_isdir(p) > 0) {
3200 BIO_printf(io, "'%s' is a directory\r\n", p);
3204 if ((file = BIO_new_file(p, "r")) == NULL) {
3206 BIO_printf(io, "Error opening '%s'\r\n", p);
3207 ERR_print_errors(io);
3212 BIO_printf(bio_err, "FILE:%s\n", p);
3216 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3217 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3218 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3220 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3223 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3227 i = BIO_read(file, buf, bufsize);
3233 BIO_printf(bio_err, "%d\n", i);
3234 if (total_bytes > 3 * 1024) {
3236 BIO_printf(bio_err, "RENEGOTIATE\n");
3237 SSL_renegotiate(con);
3241 for (j = 0; j < i;) {
3244 if (++count == 13) {
3245 SSL_renegotiate(con);
3248 k = BIO_write(io, &(buf[j]), i - j);
3250 if (!BIO_should_retry(io)
3251 && !SSL_waiting_for_async(con))
3254 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3268 i = (int)BIO_flush(io);
3270 if (!BIO_should_retry(io))
3276 /* make sure we re-use sessions */
3277 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3285 static int rev_body(int s, int stype, int prot, unsigned char *context)
3291 BIO *io, *ssl_bio, *sbio;
3293 buf = app_malloc(bufsize, "server rev buffer");
3294 io = BIO_new(BIO_f_buffer());
3295 ssl_bio = BIO_new(BIO_f_ssl());
3296 if ((io == NULL) || (ssl_bio == NULL))
3299 /* lets make the output buffer a reasonable size */
3300 if (!BIO_set_write_buffer_size(io, bufsize))
3303 if ((con = SSL_new(ctx)) == NULL)
3306 if (s_tlsextdebug) {
3307 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3308 SSL_set_tlsext_debug_arg(con, bio_s_out);
3311 && !SSL_set_session_id_context(con, context,
3312 strlen((char *)context))) {
3313 ERR_print_errors(bio_err);
3317 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3318 SSL_set_bio(con, sbio, sbio);
3319 SSL_set_accept_state(con);
3321 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3322 BIO_push(io, ssl_bio);
3323 #ifdef CHARSET_EBCDIC
3324 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3328 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3329 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3332 #ifndef OPENSSL_NO_SSL_TRACE
3334 SSL_set_msg_callback(con, SSL_trace);
3337 SSL_set_msg_callback(con, msg_cb);
3338 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3342 i = BIO_do_handshake(io);
3345 if (!BIO_should_retry(io)) {
3346 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3347 ERR_print_errors(bio_err);
3350 #ifndef OPENSSL_NO_SRP
3351 if (BIO_should_io_special(io)
3352 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3353 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3354 SRP_user_pwd_free(srp_callback_parm.user);
3355 srp_callback_parm.user =
3356 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3357 srp_callback_parm.login);
3358 if (srp_callback_parm.user)
3359 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3360 srp_callback_parm.user->info);
3362 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3367 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3368 print_ssl_summary(con);
3371 i = BIO_gets(io, buf, bufsize - 1);
3372 if (i < 0) { /* error */
3373 if (!BIO_should_retry(io)) {
3375 ERR_print_errors(bio_err);
3378 BIO_printf(bio_s_out, "read R BLOCK\n");
3379 #ifndef OPENSSL_NO_SRP
3380 if (BIO_should_io_special(io)
3381 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3382 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3383 SRP_user_pwd_free(srp_callback_parm.user);
3384 srp_callback_parm.user =
3385 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3386 srp_callback_parm.login);
3387 if (srp_callback_parm.user)
3388 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3389 srp_callback_parm.user->info);
3391 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3395 #if !defined(OPENSSL_SYS_MSDOS)
3400 } else if (i == 0) { /* end of input */
3402 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3405 char *p = buf + i - 1;
3406 while (i && (*p == '\n' || *p == '\r')) {
3410 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3412 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3415 BUF_reverse((unsigned char *)buf, NULL, i);
3417 BIO_write(io, buf, i + 1);
3422 if (!BIO_should_retry(io))
3428 /* make sure we re-use sessions */
3429 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3438 #define MAX_SESSION_ID_ATTEMPTS 10
3439 static int generate_session_id(SSL *ssl, unsigned char *id,
3440 unsigned int *id_len)
3442 unsigned int count = 0;
3444 if (RAND_bytes(id, *id_len) <= 0)
3447 * Prefix the session_id with the required prefix. NB: If our prefix
3448 * is too long, clip it - but there will be worse effects anyway, eg.
3449 * the server could only possibly create 1 session ID (ie. the
3450 * prefix!) so all future session negotiations will fail due to
3453 memcpy(id, session_id_prefix,
3454 (strlen(session_id_prefix) < *id_len) ?
3455 strlen(session_id_prefix) : *id_len);
3457 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3458 (++count < MAX_SESSION_ID_ATTEMPTS));
3459 if (count >= MAX_SESSION_ID_ATTEMPTS)
3465 * By default s_server uses an in-memory cache which caches SSL_SESSION
3466 * structures without any serialisation. This hides some bugs which only
3467 * become apparent in deployed servers. By implementing a basic external
3468 * session cache some issues can be debugged using s_server.
3471 typedef struct simple_ssl_session_st {
3476 struct simple_ssl_session_st *next;
3477 } simple_ssl_session;
3479 static simple_ssl_session *first = NULL;
3481 static int add_session(SSL *ssl, SSL_SESSION *session)
3483 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3486 SSL_SESSION_get_id(session, &sess->idlen);
3487 sess->derlen = i2d_SSL_SESSION(session, NULL);
3488 if (sess->derlen < 0) {
3489 BIO_printf(bio_err, "Error encoding session\n");
3494 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3495 sess->der = app_malloc(sess->derlen, "get session buffer");
3497 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3498 OPENSSL_free(sess->id);
3499 OPENSSL_free(sess->der);
3505 /* Assume it still works. */
3506 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3507 BIO_printf(bio_err, "Unexpected session encoding length\n");
3508 OPENSSL_free(sess->id);
3509 OPENSSL_free(sess->der);
3516 BIO_printf(bio_err, "New session added to external cache\n");
3520 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3523 simple_ssl_session *sess;
3525 for (sess = first; sess; sess = sess->next) {
3526 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3527 const unsigned char *p = sess->der;
3528 BIO_printf(bio_err, "Lookup session: cache hit\n");
3529 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3532 BIO_printf(bio_err, "Lookup session: cache miss\n");
3536 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3538 simple_ssl_session *sess, *prev = NULL;
3539 const unsigned char *id;
3541 id = SSL_SESSION_get_id(session, &idlen);
3542 for (sess = first; sess; sess = sess->next) {
3543 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3545 prev->next = sess->next;
3548 OPENSSL_free(sess->id);
3549 OPENSSL_free(sess->der);
3557 static void init_session_cache_ctx(SSL_CTX *sctx)
3559 SSL_CTX_set_session_cache_mode(sctx,
3560 SSL_SESS_CACHE_NO_INTERNAL |
3561 SSL_SESS_CACHE_SERVER);
3562 SSL_CTX_sess_set_new_cb(sctx, add_session);
3563 SSL_CTX_sess_set_get_cb(sctx, get_session);
3564 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3567 static void free_sessions(void)
3569 simple_ssl_session *sess, *tsess;
3570 for (sess = first; sess;) {
3571 OPENSSL_free(sess->id);
3572 OPENSSL_free(sess->der);
3575 OPENSSL_free(tsess);
3580 #endif /* OPENSSL_NO_SOCK */