2 * Copyright 1995-2017 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/lhash.h>
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 #ifndef OPENSSL_NO_RSA
52 # include <openssl/rsa.h>
54 #ifndef OPENSSL_NO_SRP
55 # include <openssl/srp.h>
60 #include <openssl/ebcdic.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;
119 static int early_data = 0;
120 static SSL_SESSION *psksess = NULL;
122 static char *psk_identity = "Client_identity";
123 char *psk_key = NULL; /* by default PSK is not used */
125 #ifndef OPENSSL_NO_PSK
126 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
128 unsigned int max_psk_len)
134 BIO_printf(bio_s_out, "psk_server_cb\n");
135 if (identity == NULL) {
136 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
140 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
141 (int)strlen(identity), identity);
143 /* here we could lookup the given identity e.g. from a database */
144 if (strcmp(identity, psk_identity) != 0) {
145 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
146 " (got '%s' expected '%s')\n", identity, psk_identity);
149 BIO_printf(bio_s_out, "PSK client identity found\n");
152 /* convert the PSK key to binary */
153 key = OPENSSL_hexstr2buf(psk_key, &key_len);
155 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
159 if (key_len > (int)max_psk_len) {
161 "psk buffer of callback is too small (%d) for key (%ld)\n",
162 max_psk_len, key_len);
167 memcpy(psk, key, key_len);
171 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
175 BIO_printf(bio_err, "Error in PSK server callback\n");
176 (void)BIO_flush(bio_err);
177 (void)BIO_flush(bio_s_out);
182 #define TLS13_AES_128_GCM_SHA256_BYTES ((const unsigned char *)"\x13\x01")
183 #define TLS13_AES_256_GCM_SHA384_BYTES ((const unsigned char *)"\x13\x02")
185 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
186 size_t identity_len, SSL_SESSION **sess)
188 SSL_SESSION *tmpsess = NULL;
191 const SSL_CIPHER *cipher = NULL;
193 if (strlen(psk_identity) != identity_len
194 || memcmp(psk_identity, identity, identity_len) != 0)
197 if (psksess != NULL) {
198 SSL_SESSION_up_ref(psksess);
203 key = OPENSSL_hexstr2buf(psk_key, &key_len);
205 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
210 if (key_len == EVP_MD_size(EVP_sha256()))
211 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
212 else if(key_len == EVP_MD_size(EVP_sha384()))
213 cipher = SSL_CIPHER_find(ssl, tls13_aes256gcmsha384_id);
215 if (cipher == NULL) {
216 /* Doesn't look like a suitable TLSv1.3 key. Ignore it */
221 tmpsess = SSL_SESSION_new();
223 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
224 || !SSL_SESSION_set_cipher(tmpsess, cipher)
225 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
235 #ifndef OPENSSL_NO_SRP
236 /* This is a context that we pass to callbacks */
237 typedef struct srpsrvparm_st {
244 * This callback pretends to require some asynchronous logic in order to
245 * obtain a verifier. When the callback is called for a new connection we
246 * return with a negative value. This will provoke the accept etc to return
247 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
248 * (which would normally occur after a worker has finished) and we set the
251 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
253 srpsrvparm *p = (srpsrvparm *) arg;
254 int ret = SSL3_AL_FATAL;
256 if (p->login == NULL && p->user == NULL) {
257 p->login = SSL_get_srp_username(s);
258 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
262 if (p->user == NULL) {
263 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
267 if (SSL_set_srp_server_param
268 (s, p->user->N, p->user->g, p->user->s, p->user->v,
269 p->user->info) < 0) {
270 *ad = SSL_AD_INTERNAL_ERROR;
274 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
275 p->login, p->user->info);
276 ret = SSL_ERROR_NONE;
279 SRP_user_pwd_free(p->user);
287 static int local_argc = 0;
288 static char **local_argv;
290 #ifdef CHARSET_EBCDIC
291 static int ebcdic_new(BIO *bi);
292 static int ebcdic_free(BIO *a);
293 static int ebcdic_read(BIO *b, char *out, int outl);
294 static int ebcdic_write(BIO *b, const char *in, int inl);
295 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
296 static int ebcdic_gets(BIO *bp, char *buf, int size);
297 static int ebcdic_puts(BIO *bp, const char *str);
299 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
300 static BIO_METHOD *methods_ebcdic = NULL;
302 /* This struct is "unwarranted chumminess with the compiler." */
308 static const BIO_METHOD *BIO_f_ebcdic_filter()
310 if (methods_ebcdic == NULL) {
311 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
312 "EBCDIC/ASCII filter");
313 if (methods_ebcdic == NULL
314 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
315 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
316 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
317 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
318 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
319 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
320 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
323 return methods_ebcdic;
326 static int ebcdic_new(BIO *bi)
328 EBCDIC_OUTBUFF *wbuf;
330 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
331 wbuf->alloced = 1024;
332 wbuf->buff[0] = '\0';
334 BIO_set_data(bi, wbuf);
339 static int ebcdic_free(BIO *a)
341 EBCDIC_OUTBUFF *wbuf;
345 wbuf = BIO_get_data(a);
347 BIO_set_data(a, NULL);
353 static int ebcdic_read(BIO *b, char *out, int outl)
356 BIO *next = BIO_next(b);
358 if (out == NULL || outl == 0)
363 ret = BIO_read(next, out, outl);
365 ascii2ebcdic(out, out, ret);
369 static int ebcdic_write(BIO *b, const char *in, int inl)
371 EBCDIC_OUTBUFF *wbuf;
372 BIO *next = BIO_next(b);
376 if ((in == NULL) || (inl <= 0))
381 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
383 if (inl > (num = wbuf->alloced)) {
384 num = num + num; /* double the size */
388 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
391 wbuf->buff[0] = '\0';
393 BIO_set_data(b, wbuf);
396 ebcdic2ascii(wbuf->buff, in, inl);
398 ret = BIO_write(next, wbuf->buff, inl);
403 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
406 BIO *next = BIO_next(b);
415 ret = BIO_ctrl(next, cmd, num, ptr);
421 static int ebcdic_gets(BIO *bp, char *buf, int size)
424 BIO *next = BIO_next(bp);
428 /* return(BIO_gets(bp->next_bio,buf,size));*/
429 for (i = 0; i < size - 1; ++i) {
430 ret = ebcdic_read(bp, &buf[i], 1);
433 else if (buf[i] == '\n') {
440 return (ret < 0 && i == 0) ? ret : i;
443 static int ebcdic_puts(BIO *bp, const char *str)
445 if (BIO_next(bp) == NULL)
447 return ebcdic_write(bp, str, strlen(str));
451 /* This is a context that we pass to callbacks */
452 typedef struct tlsextctx_st {
458 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
460 tlsextctx *p = (tlsextctx *) arg;
461 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
462 if (servername != NULL && p->biodebug != NULL)
463 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
466 if (p->servername == NULL)
467 return SSL_TLSEXT_ERR_NOACK;
469 if (servername != NULL) {
470 if (strcasecmp(servername, p->servername))
471 return p->extension_error;
473 BIO_printf(p->biodebug, "Switching server context.\n");
474 SSL_set_SSL_CTX(s, ctx2);
477 return SSL_TLSEXT_ERR_OK;
480 /* Structure passed to cert status callback */
481 typedef struct tlsextstatusctx_st {
483 /* File to load OCSP Response from (or NULL if no file) */
485 /* Default responder to use */
486 char *host, *path, *port;
491 static tlsextstatusctx tlscstatp = { -1 };
493 #ifndef OPENSSL_NO_OCSP
496 * Helper function to get an OCSP_RESPONSE from a responder. This is a
497 * simplified version. It examines certificates each time and makes one OCSP
498 * responder query for each request. A full version would store details such as
499 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
500 * them until they were considered "expired".
502 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
503 OCSP_RESPONSE **resp)
505 char *host = NULL, *port = NULL, *path = NULL;
507 STACK_OF(OPENSSL_STRING) *aia = NULL;
509 X509_STORE_CTX *inctx = NULL;
511 OCSP_REQUEST *req = NULL;
512 OCSP_CERTID *id = NULL;
513 STACK_OF(X509_EXTENSION) *exts;
514 int ret = SSL_TLSEXT_ERR_NOACK;
517 /* Build up OCSP query from server certificate */
518 x = SSL_get_certificate(s);
519 aia = X509_get1_ocsp(x);
521 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
522 &host, &port, &path, &use_ssl)) {
523 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
527 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
528 sk_OPENSSL_STRING_value(aia, 0));
530 if (srctx->host == NULL) {
532 "cert_status: no AIA and no default responder URL\n");
538 use_ssl = srctx->use_ssl;
541 inctx = X509_STORE_CTX_new();
544 if (!X509_STORE_CTX_init(inctx,
545 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
548 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
549 X509_get_issuer_name(x));
551 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
554 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
555 X509_OBJECT_free(obj);
558 req = OCSP_REQUEST_new();
561 if (!OCSP_request_add0_id(req, id))
564 /* Add any extensions to the request */
565 SSL_get_tlsext_status_exts(s, &exts);
566 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
567 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
568 if (!OCSP_REQUEST_add_ext(req, ext, -1))
571 *resp = process_responder(req, host, path, port, use_ssl, NULL,
574 BIO_puts(bio_err, "cert_status: error querying responder\n");
578 ret = SSL_TLSEXT_ERR_OK;
582 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
585 * If we parsed aia we need to free; otherwise they were copied and we
592 X509_email_free(aia);
594 OCSP_CERTID_free(id);
595 OCSP_REQUEST_free(req);
596 X509_STORE_CTX_free(inctx);
601 * Certificate Status callback. This is called when a client includes a
602 * certificate status request extension. The response is either obtained from a
603 * file, or from an OCSP responder.
605 static int cert_status_cb(SSL *s, void *arg)
607 tlsextstatusctx *srctx = arg;
608 OCSP_RESPONSE *resp = NULL;
609 unsigned char *rspder = NULL;
611 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
614 BIO_puts(bio_err, "cert_status: callback called\n");
616 if (srctx->respin != NULL) {
617 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
618 if (derbio == NULL) {
619 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
622 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
625 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
629 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
630 if (ret != SSL_TLSEXT_ERR_OK)
634 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
638 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
639 if (srctx->verbose) {
640 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
641 OCSP_RESPONSE_print(bio_err, resp, 2);
644 ret = SSL_TLSEXT_ERR_OK;
647 if (ret != SSL_TLSEXT_ERR_OK)
648 ERR_print_errors(bio_err);
650 OCSP_RESPONSE_free(resp);
656 #ifndef OPENSSL_NO_NEXTPROTONEG
657 /* This is the context that we pass to next_proto_cb */
658 typedef struct tlsextnextprotoctx_st {
661 } tlsextnextprotoctx;
663 static int next_proto_cb(SSL *s, const unsigned char **data,
664 unsigned int *len, void *arg)
666 tlsextnextprotoctx *next_proto = arg;
668 *data = next_proto->data;
669 *len = next_proto->len;
671 return SSL_TLSEXT_ERR_OK;
673 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
675 /* This the context that we pass to alpn_cb */
676 typedef struct tlsextalpnctx_st {
681 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
682 const unsigned char *in, unsigned int inlen, void *arg)
684 tlsextalpnctx *alpn_ctx = arg;
687 /* We can assume that |in| is syntactically valid. */
689 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
690 for (i = 0; i < inlen;) {
692 BIO_write(bio_s_out, ", ", 2);
693 BIO_write(bio_s_out, &in[i + 1], in[i]);
696 BIO_write(bio_s_out, "\n", 1);
699 if (SSL_select_next_proto
700 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
701 inlen) != OPENSSL_NPN_NEGOTIATED) {
702 return SSL_TLSEXT_ERR_NOACK;
706 BIO_printf(bio_s_out, "ALPN protocols selected: ");
707 BIO_write(bio_s_out, *out, *outlen);
708 BIO_write(bio_s_out, "\n", 1);
711 return SSL_TLSEXT_ERR_OK;
714 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
716 /* disable resumption for sessions with forward secure ciphers */
717 return is_forward_secure;
720 #ifndef OPENSSL_NO_SRP
721 static srpsrvparm srp_callback_parm;
723 #ifndef OPENSSL_NO_SRTP
724 static char *srtp_profiles = NULL;
727 typedef enum OPTION_choice {
728 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
729 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
730 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
731 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
732 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
733 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
734 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
735 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
736 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
737 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
738 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
739 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
740 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
741 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
742 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
743 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
744 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
745 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
746 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
747 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN,
748 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
749 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
750 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
751 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_EARLY_DATA,
758 const OPTIONS s_server_options[] = {
759 {"help", OPT_HELP, '-', "Display this summary"},
760 {"port", OPT_PORT, 'p',
761 "TCP/IP port to listen on for connections (default is " PORT ")"},
762 {"accept", OPT_ACCEPT, 's',
763 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
765 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
767 {"4", OPT_4, '-', "Use IPv4 only"},
768 {"6", OPT_6, '-', "Use IPv6 only"},
770 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
772 {"context", OPT_CONTEXT, 's', "Set session ID context"},
773 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
774 {"Verify", OPT_UPPER_V_VERIFY, 'n',
775 "Turn on peer certificate verification, must have a cert"},
776 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
777 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
778 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
779 {"serverinfo", OPT_SERVERINFO, 's',
780 "PEM serverinfo file for certificate"},
781 {"certform", OPT_CERTFORM, 'F',
782 "Certificate format (PEM or DER) PEM default"},
783 {"key", OPT_KEY, '<',
784 "Private Key if not in -cert; default is " TEST_CERT},
785 {"keyform", OPT_KEYFORM, 'f',
786 "Key format (PEM, DER or ENGINE) PEM default"},
787 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
788 {"dcert", OPT_DCERT, '<',
789 "Second certificate file to use (usually for DSA)"},
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 #ifndef OPENSSL_NO_DTLS1
929 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
931 #ifndef OPENSSL_NO_DTLS1_2
932 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
934 #ifndef OPENSSL_NO_SCTP
935 {"sctp", OPT_SCTP, '-', "Use SCTP"},
937 #ifndef OPENSSL_NO_DH
938 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
940 #ifndef OPENSSL_NO_NEXTPROTONEG
941 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
942 "Set the advertised protocols for the NPN extension (comma-separated list)"},
944 #ifndef OPENSSL_NO_SRTP
945 {"use_srtp", OPT_SRTP_PROFILES, 's',
946 "Offer SRTP key management with a colon-separated profile list"},
948 {"alpn", OPT_ALPN, 's',
949 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
950 #ifndef OPENSSL_NO_ENGINE
951 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
953 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
954 {"max_early_data", OPT_MAX_EARLY, 'n',
955 "The maximum number of bytes of early data"},
956 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
957 {NULL, OPT_EOF, 0, NULL}
960 #define IS_PROT_FLAG(o) \
961 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
962 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
964 int s_server_main(int argc, char *argv[])
966 ENGINE *engine = NULL;
967 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
968 SSL_CONF_CTX *cctx = NULL;
969 const SSL_METHOD *meth = TLS_server_method();
970 SSL_EXCERT *exc = NULL;
971 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
972 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
973 STACK_OF(X509_CRL) *crls = NULL;
974 X509 *s_cert = NULL, *s_dcert = NULL;
975 X509_VERIFY_PARAM *vpm = NULL;
976 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
977 char *dpassarg = NULL, *dpass = NULL;
978 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
979 char *crl_file = NULL, *prog;
981 int unlink_unix_path = 0;
983 do_server_cb server_cb;
984 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
985 #ifndef OPENSSL_NO_DH
989 int nocert = 0, ret = 1;
990 int noCApath = 0, noCAfile = 0;
991 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
992 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
993 int rev = 0, naccept = -1, sdebug = 0;
994 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
995 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
997 char *port = BUF_strdup(PORT);
998 unsigned char *context = NULL;
1000 EVP_PKEY *s_key2 = NULL;
1001 X509 *s_cert2 = NULL;
1002 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1003 const char *ssl_config = NULL;
1004 int read_buf_len = 0;
1005 #ifndef OPENSSL_NO_NEXTPROTONEG
1006 const char *next_proto_neg_in = NULL;
1007 tlsextnextprotoctx next_proto = { NULL, 0 };
1009 const char *alpn_in = NULL;
1010 tlsextalpnctx alpn_ctx = { NULL, 0 };
1011 #ifndef OPENSSL_NO_PSK
1012 /* by default do not send a PSK identity hint */
1013 char *psk_identity_hint = NULL;
1016 #ifndef OPENSSL_NO_SRP
1017 char *srpuserseed = NULL;
1018 char *srp_verifier_file = NULL;
1020 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1021 int s_server_verify = SSL_VERIFY_NONE;
1022 int s_server_session_id_context = 1; /* anything will do */
1023 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1024 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1025 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1026 #ifndef OPENSSL_NO_OCSP
1027 int s_tlsextstatus = 0;
1029 int no_resume_ephemeral = 0;
1030 unsigned int max_send_fragment = 0;
1031 unsigned int split_send_fragment = 0, max_pipelines = 0;
1032 const char *s_serverinfo_file = NULL;
1033 const char *keylog_file = NULL;
1034 int max_early_data = -1;
1035 char *psksessf = NULL;
1037 /* Init of few remaining global variables */
1042 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 = BUF_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_PEMDER, &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();
1203 #ifndef OPENSSL_NO_DH
1208 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1212 s_dcert_file = opt_arg();
1215 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1219 dpassarg = opt_arg();
1222 s_dkey_file = opt_arg();
1224 case OPT_DCERT_CHAIN:
1225 s_dchain_file = opt_arg();
1236 case OPT_CHAINCAPATH:
1237 chCApath = opt_arg();
1239 case OPT_VERIFYCAPATH:
1240 vfyCApath = opt_arg();
1249 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1253 if (ssl_args == NULL)
1254 ssl_args = sk_OPENSSL_STRING_new_null();
1255 if (ssl_args == NULL
1256 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1257 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1258 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1263 if (!opt_verify(o, vpm))
1268 if (!args_excert(o, &exc))
1271 case OPT_VERIFY_RET_ERROR:
1272 verify_args.return_error = 1;
1274 case OPT_VERIFY_QUIET:
1275 verify_args.quiet = 1;
1277 case OPT_BUILD_CHAIN:
1286 case OPT_CHAINCAFILE:
1287 chCAfile = opt_arg();
1289 case OPT_VERIFYCAFILE:
1290 vfyCAfile = opt_arg();
1296 s_nbio = s_nbio_test = 1;
1301 case OPT_NO_IGN_EOF:
1307 case OPT_TLSEXTDEBUG:
1311 #ifndef OPENSSL_NO_OCSP
1315 case OPT_STATUS_VERBOSE:
1316 #ifndef OPENSSL_NO_OCSP
1317 s_tlsextstatus = tlscstatp.verbose = 1;
1320 case OPT_STATUS_TIMEOUT:
1321 #ifndef OPENSSL_NO_OCSP
1323 tlscstatp.timeout = atoi(opt_arg());
1326 case OPT_STATUS_URL:
1327 #ifndef OPENSSL_NO_OCSP
1329 if (!OCSP_parse_url(opt_arg(),
1332 &tlscstatp.path, &tlscstatp.use_ssl)) {
1333 BIO_printf(bio_err, "Error parsing URL\n");
1338 case OPT_STATUS_FILE:
1339 #ifndef OPENSSL_NO_OCSP
1341 tlscstatp.respin = opt_arg();
1348 bio_s_msg = BIO_new_file(opt_arg(), "w");
1351 #ifndef OPENSSL_NO_SSL_TRACE
1355 case OPT_SECURITY_DEBUG:
1358 case OPT_SECURITY_DEBUG_VERBOSE:
1371 s_quiet = s_brief = verify_args.quiet = 1;
1374 #ifndef OPENSSL_NO_DH
1378 case OPT_NO_RESUME_EPHEMERAL:
1379 no_resume_ephemeral = 1;
1381 case OPT_PSK_IDENTITY:
1382 psk_identity = opt_arg();
1385 #ifndef OPENSSL_NO_PSK
1386 psk_identity_hint = opt_arg();
1390 for (p = psk_key = opt_arg(); *p; p++) {
1391 if (isxdigit(_UC(*p)))
1393 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1398 psksessf = opt_arg();
1401 #ifndef OPENSSL_NO_SRP
1402 srp_verifier_file = opt_arg();
1403 if (min_version < TLS1_VERSION)
1404 min_version = TLS1_VERSION;
1407 case OPT_SRPUSERSEED:
1408 #ifndef OPENSSL_NO_SRP
1409 srpuserseed = opt_arg();
1410 if (min_version < TLS1_VERSION)
1411 min_version = TLS1_VERSION;
1426 case OPT_SSL_CONFIG:
1427 ssl_config = opt_arg();
1430 min_version = SSL3_VERSION;
1431 max_version = SSL3_VERSION;
1434 min_version = TLS1_3_VERSION;
1435 max_version = TLS1_3_VERSION;
1438 min_version = TLS1_2_VERSION;
1439 max_version = TLS1_2_VERSION;
1442 min_version = TLS1_1_VERSION;
1443 max_version = TLS1_1_VERSION;
1446 min_version = TLS1_VERSION;
1447 max_version = TLS1_VERSION;
1450 #ifndef OPENSSL_NO_DTLS
1451 meth = DTLS_server_method();
1452 socket_type = SOCK_DGRAM;
1456 #ifndef OPENSSL_NO_DTLS
1457 meth = DTLS_server_method();
1458 min_version = DTLS1_VERSION;
1459 max_version = DTLS1_VERSION;
1460 socket_type = SOCK_DGRAM;
1464 #ifndef OPENSSL_NO_DTLS
1465 meth = DTLS_server_method();
1466 min_version = DTLS1_2_VERSION;
1467 max_version = DTLS1_2_VERSION;
1468 socket_type = SOCK_DGRAM;
1472 #ifndef OPENSSL_NO_SCTP
1473 protocol = IPPROTO_SCTP;
1477 #ifndef OPENSSL_NO_DTLS
1478 enable_timeouts = 1;
1482 #ifndef OPENSSL_NO_DTLS
1483 socket_mtu = atol(opt_arg());
1487 #ifndef OPENSSL_NO_DTLS
1492 session_id_prefix = opt_arg();
1495 engine = setup_engine(opt_arg(), 1);
1501 case OPT_SERVERNAME:
1502 tlsextcbp.servername = opt_arg();
1504 case OPT_SERVERNAME_FATAL:
1505 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1508 s_cert_file2 = opt_arg();
1511 s_key_file2 = opt_arg();
1513 case OPT_NEXTPROTONEG:
1514 # ifndef OPENSSL_NO_NEXTPROTONEG
1515 next_proto_neg_in = opt_arg();
1519 alpn_in = opt_arg();
1521 case OPT_SRTP_PROFILES:
1522 #ifndef OPENSSL_NO_SRTP
1523 srtp_profiles = opt_arg();
1526 case OPT_KEYMATEXPORT:
1527 keymatexportlabel = opt_arg();
1529 case OPT_KEYMATEXPORTLEN:
1530 keymatexportlen = atoi(opt_arg());
1535 case OPT_MAX_SEND_FRAG:
1536 max_send_fragment = atoi(opt_arg());
1538 case OPT_SPLIT_SEND_FRAG:
1539 split_send_fragment = atoi(opt_arg());
1541 case OPT_MAX_PIPELINES:
1542 max_pipelines = atoi(opt_arg());
1545 read_buf_len = atoi(opt_arg());
1547 case OPT_KEYLOG_FILE:
1548 keylog_file = opt_arg();
1551 max_early_data = atoi(opt_arg());
1552 if (max_early_data < 0) {
1553 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1557 case OPT_EARLY_DATA:
1562 argc = opt_num_rest();
1565 #ifndef OPENSSL_NO_NEXTPROTONEG
1566 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1567 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1571 #ifndef OPENSSL_NO_DTLS
1572 if (www && socket_type == SOCK_DGRAM) {
1573 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1577 if (dtlslisten && socket_type != SOCK_DGRAM) {
1578 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1584 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1586 "Can't use unix sockets and datagrams together\n");
1591 #ifndef OPENSSL_NO_SCTP
1592 if (protocol == IPPROTO_SCTP) {
1593 if (socket_type != SOCK_DGRAM) {
1594 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1597 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1598 socket_type = SOCK_STREAM;
1602 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1603 BIO_printf(bio_err, "Error getting password\n");
1607 if (s_key_file == NULL)
1608 s_key_file = s_cert_file;
1610 if (s_key_file2 == NULL)
1611 s_key_file2 = s_cert_file2;
1613 if (!load_excert(&exc))
1617 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1618 "server certificate private key file");
1619 if (s_key == NULL) {
1620 ERR_print_errors(bio_err);
1624 s_cert = load_cert(s_cert_file, s_cert_format,
1625 "server certificate file");
1627 if (s_cert == NULL) {
1628 ERR_print_errors(bio_err);
1631 if (s_chain_file != NULL) {
1632 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1633 "server certificate chain"))
1637 if (tlsextcbp.servername != NULL) {
1638 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1639 "second server certificate private key file");
1640 if (s_key2 == NULL) {
1641 ERR_print_errors(bio_err);
1645 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1646 "second server certificate file");
1648 if (s_cert2 == NULL) {
1649 ERR_print_errors(bio_err);
1654 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1655 if (next_proto_neg_in) {
1656 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1657 if (next_proto.data == NULL)
1661 alpn_ctx.data = NULL;
1663 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1664 if (alpn_ctx.data == NULL)
1668 if (crl_file != NULL) {
1670 crl = load_crl(crl_file, crl_format);
1672 BIO_puts(bio_err, "Error loading CRL\n");
1673 ERR_print_errors(bio_err);
1676 crls = sk_X509_CRL_new_null();
1677 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1678 BIO_puts(bio_err, "Error adding CRL\n");
1679 ERR_print_errors(bio_err);
1685 if (s_dcert_file != NULL) {
1687 if (s_dkey_file == NULL)
1688 s_dkey_file = s_dcert_file;
1690 s_dkey = load_key(s_dkey_file, s_dkey_format,
1691 0, dpass, engine, "second certificate private key file");
1692 if (s_dkey == NULL) {
1693 ERR_print_errors(bio_err);
1697 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1698 "second server certificate file");
1700 if (s_dcert == NULL) {
1701 ERR_print_errors(bio_err);
1704 if (s_dchain_file != NULL) {
1705 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1706 "second server certificate chain"))
1712 if (bio_s_out == NULL) {
1713 if (s_quiet && !s_debug) {
1714 bio_s_out = BIO_new(BIO_s_null());
1715 if (s_msg && bio_s_msg == NULL)
1716 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1718 if (bio_s_out == NULL)
1719 bio_s_out = dup_bio_out(FORMAT_TEXT);
1722 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1728 s_dcert_file = NULL;
1730 s_cert_file2 = NULL;
1734 ctx = SSL_CTX_new(meth);
1736 ERR_print_errors(bio_err);
1740 ssl_ctx_security_debug(ctx, sdebug);
1742 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1743 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1745 ERR_print_errors(bio_err);
1749 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1751 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1754 if (session_id_prefix) {
1755 if (strlen(session_id_prefix) >= 32)
1757 "warning: id_prefix is too long, only one new session will be possible\n");
1758 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1759 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1760 ERR_print_errors(bio_err);
1763 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1765 SSL_CTX_set_quiet_shutdown(ctx, 1);
1767 ssl_ctx_set_excert(ctx, exc);
1770 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1772 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1774 init_session_cache_ctx(ctx);
1776 SSL_CTX_sess_set_cache_size(ctx, 128);
1779 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1782 if (max_send_fragment > 0
1783 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1784 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1785 prog, max_send_fragment);
1789 if (split_send_fragment > 0
1790 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1791 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1792 prog, split_send_fragment);
1795 if (max_pipelines > 0
1796 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1797 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1798 prog, max_pipelines);
1802 if (read_buf_len > 0) {
1803 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1805 #ifndef OPENSSL_NO_SRTP
1806 if (srtp_profiles != NULL) {
1807 /* Returns 0 on success! */
1808 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1809 BIO_printf(bio_err, "Error setting SRTP profile\n");
1810 ERR_print_errors(bio_err);
1816 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1817 ERR_print_errors(bio_err);
1820 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1821 BIO_printf(bio_err, "Error setting verify params\n");
1822 ERR_print_errors(bio_err);
1826 ssl_ctx_add_crls(ctx, crls, 0);
1827 if (!config_ctx(cctx, ssl_args, ctx))
1830 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1831 crls, crl_download)) {
1832 BIO_printf(bio_err, "Error loading store locations\n");
1833 ERR_print_errors(bio_err);
1838 ctx2 = SSL_CTX_new(meth);
1840 ERR_print_errors(bio_err);
1846 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1849 ssl_ctx_security_debug(ctx, sdebug);
1851 if (session_id_prefix) {
1852 if (strlen(session_id_prefix) >= 32)
1854 "warning: id_prefix is too long, only one new session will be possible\n");
1855 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1856 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1857 ERR_print_errors(bio_err);
1860 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1862 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1864 ssl_ctx_set_excert(ctx2, exc);
1867 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1870 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1872 init_session_cache_ctx(ctx2);
1874 SSL_CTX_sess_set_cache_size(ctx2, 128);
1877 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1879 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1881 ERR_print_errors(bio_err);
1884 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1885 BIO_printf(bio_err, "Error setting verify params\n");
1886 ERR_print_errors(bio_err);
1890 ssl_ctx_add_crls(ctx2, crls, 0);
1891 if (!config_ctx(cctx, ssl_args, ctx2))
1894 #ifndef OPENSSL_NO_NEXTPROTONEG
1895 if (next_proto.data)
1896 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1900 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1902 #ifndef OPENSSL_NO_DH
1907 dh = load_dh_param(dhfile);
1908 else if (s_cert_file != NULL)
1909 dh = load_dh_param(s_cert_file);
1912 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1914 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1916 (void)BIO_flush(bio_s_out);
1919 SSL_CTX_set_dh_auto(ctx, 1);
1920 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1921 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1922 ERR_print_errors(bio_err);
1929 DH *dh2 = load_dh_param(s_cert_file2);
1931 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1932 (void)BIO_flush(bio_s_out);
1939 SSL_CTX_set_dh_auto(ctx2, 1);
1940 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1941 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1942 ERR_print_errors(bio_err);
1951 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1954 if (s_serverinfo_file != NULL
1955 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1956 ERR_print_errors(bio_err);
1961 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1964 if (s_dcert != NULL) {
1965 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1969 if (no_resume_ephemeral) {
1970 SSL_CTX_set_not_resumable_session_callback(ctx,
1971 not_resumable_sess_cb);
1974 SSL_CTX_set_not_resumable_session_callback(ctx2,
1975 not_resumable_sess_cb);
1977 #ifndef OPENSSL_NO_PSK
1978 if (psk_key != NULL) {
1980 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1981 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1984 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1985 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1986 ERR_print_errors(bio_err);
1990 if (psksessf != NULL) {
1991 BIO *stmp = BIO_new_file(psksessf, "r");
1994 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1995 ERR_print_errors(bio_err);
1998 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2000 if (psksess == NULL) {
2001 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2002 ERR_print_errors(bio_err);
2008 if (psk_key != NULL || psksess != NULL)
2009 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2011 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2012 if (!SSL_CTX_set_session_id_context(ctx,
2013 (void *)&s_server_session_id_context,
2014 sizeof s_server_session_id_context)) {
2015 BIO_printf(bio_err, "error setting session id context\n");
2016 ERR_print_errors(bio_err);
2020 /* Set DTLS cookie generation and verification callbacks */
2021 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2022 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2025 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2026 if (!SSL_CTX_set_session_id_context(ctx2,
2027 (void *)&s_server_session_id_context,
2028 sizeof s_server_session_id_context)) {
2029 BIO_printf(bio_err, "error setting session id context\n");
2030 ERR_print_errors(bio_err);
2033 tlsextcbp.biodebug = bio_s_out;
2034 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2035 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2036 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2037 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2040 #ifndef OPENSSL_NO_SRP
2041 if (srp_verifier_file != NULL) {
2042 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2043 srp_callback_parm.user = NULL;
2044 srp_callback_parm.login = NULL;
2046 SRP_VBASE_init(srp_callback_parm.vb,
2047 srp_verifier_file)) != SRP_NO_ERROR) {
2049 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2050 srp_verifier_file, ret);
2053 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2054 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2055 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2058 if (CAfile != NULL) {
2059 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2062 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2064 #ifndef OPENSSL_NO_OCSP
2065 if (s_tlsextstatus) {
2066 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2067 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2069 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2070 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2074 if (set_keylog_file(ctx, keylog_file))
2077 if (max_early_data >= 0)
2078 SSL_CTX_set_max_early_data(ctx, max_early_data);
2080 BIO_printf(bio_s_out, "ACCEPT\n");
2081 (void)BIO_flush(bio_s_out);
2083 server_cb = rev_body;
2085 server_cb = www_body;
2087 server_cb = sv_body;
2089 if (socket_family == AF_UNIX
2090 && unlink_unix_path)
2093 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2094 server_cb, context, naccept);
2095 print_stats(bio_s_out, ctx);
2099 SSL_SESSION_free(psksess);
2100 set_keylog_file(NULL, NULL);
2102 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2104 EVP_PKEY_free(s_key);
2105 EVP_PKEY_free(s_dkey);
2106 sk_X509_pop_free(s_chain, X509_free);
2107 sk_X509_pop_free(s_dchain, X509_free);
2109 OPENSSL_free(dpass);
2112 X509_VERIFY_PARAM_free(vpm);
2114 OPENSSL_free(tlscstatp.host);
2115 OPENSSL_free(tlscstatp.port);
2116 OPENSSL_free(tlscstatp.path);
2119 EVP_PKEY_free(s_key2);
2120 #ifndef OPENSSL_NO_NEXTPROTONEG
2121 OPENSSL_free(next_proto.data);
2123 OPENSSL_free(alpn_ctx.data);
2124 ssl_excert_free(exc);
2125 sk_OPENSSL_STRING_free(ssl_args);
2126 SSL_CONF_CTX_free(cctx);
2127 release_engine(engine);
2128 BIO_free(bio_s_out);
2130 BIO_free(bio_s_msg);
2132 #ifdef CHARSET_EBCDIC
2133 BIO_meth_free(methods_ebcdic);
2138 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2140 BIO_printf(bio, "%4ld items in the session cache\n",
2141 SSL_CTX_sess_number(ssl_ctx));
2142 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2143 SSL_CTX_sess_connect(ssl_ctx));
2144 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2145 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2146 BIO_printf(bio, "%4ld client connects that finished\n",
2147 SSL_CTX_sess_connect_good(ssl_ctx));
2148 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2149 SSL_CTX_sess_accept(ssl_ctx));
2150 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2151 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2152 BIO_printf(bio, "%4ld server accepts that finished\n",
2153 SSL_CTX_sess_accept_good(ssl_ctx));
2154 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2155 BIO_printf(bio, "%4ld session cache misses\n",
2156 SSL_CTX_sess_misses(ssl_ctx));
2157 BIO_printf(bio, "%4ld session cache timeouts\n",
2158 SSL_CTX_sess_timeouts(ssl_ctx));
2159 BIO_printf(bio, "%4ld callback cache hits\n",
2160 SSL_CTX_sess_cb_hits(ssl_ctx));
2161 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2162 SSL_CTX_sess_cache_full(ssl_ctx),
2163 SSL_CTX_sess_get_cache_size(ssl_ctx));
2166 static int sv_body(int s, int stype, int prot, unsigned char *context)
2175 struct timeval timeout;
2176 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2179 struct timeval *timeoutp;
2181 #ifndef OPENSSL_NO_DTLS
2182 # ifndef OPENSSL_NO_SCTP
2183 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2185 int isdtls = (stype == SOCK_DGRAM);
2189 buf = app_malloc(bufsize, "server buffer");
2191 if (!BIO_socket_nbio(s, 1))
2192 ERR_print_errors(bio_err);
2194 BIO_printf(bio_err, "Turned on non blocking io\n");
2200 if (s_tlsextdebug) {
2201 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2202 SSL_set_tlsext_debug_arg(con, bio_s_out);
2206 && !SSL_set_session_id_context(con,
2207 context, strlen((char *)context))) {
2208 BIO_printf(bio_err, "Error setting session id context\n");
2213 if (!SSL_clear(con)) {
2214 BIO_printf(bio_err, "Error clearing SSL connection\n");
2218 #ifndef OPENSSL_NO_DTLS
2220 # ifndef OPENSSL_NO_SCTP
2221 if (prot == IPPROTO_SCTP)
2222 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2225 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2227 if (enable_timeouts) {
2229 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2230 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2233 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2234 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2238 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2239 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2240 DTLS_get_link_min_mtu(con));
2245 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2246 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2247 BIO_printf(bio_err, "Failed to set MTU\n");
2253 /* want to do MTU discovery */
2254 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2256 # ifndef OPENSSL_NO_SCTP
2257 if (prot != IPPROTO_SCTP) {
2258 /* Turn on cookie exchange. Not necessary for SCTP */
2259 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2264 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2267 BIO_printf(bio_err, "Unable to create BIO\n");
2268 ERR_print_errors(bio_err);
2275 test = BIO_new(BIO_f_nbio_test());
2276 sbio = BIO_push(test, sbio);
2279 SSL_set_bio(con, sbio, sbio);
2280 SSL_set_accept_state(con);
2281 /* SSL_set_fd(con,s); */
2284 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2285 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2288 #ifndef OPENSSL_NO_SSL_TRACE
2290 SSL_set_msg_callback(con, SSL_trace);
2293 SSL_set_msg_callback(con, msg_cb);
2294 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2297 if (s_tlsextdebug) {
2298 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2299 SSL_set_tlsext_debug_arg(con, bio_s_out);
2303 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2306 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2308 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2309 if (edret != SSL_READ_EARLY_DATA_ERROR)
2312 switch (SSL_get_error(con, 0)) {
2313 case SSL_ERROR_WANT_WRITE:
2314 case SSL_ERROR_WANT_ASYNC:
2315 case SSL_ERROR_WANT_READ:
2316 /* Just keep trying - busy waiting */
2319 BIO_printf(bio_err, "Error reading early data\n");
2320 ERR_print_errors(bio_err);
2324 if (readbytes > 0) {
2326 BIO_printf(bio_s_out, "Early data received:\n");
2329 raw_write_stdout(buf, (unsigned int)readbytes);
2330 (void)BIO_flush(bio_s_out);
2334 BIO_printf(bio_s_out, "No early data received\n");
2336 BIO_printf(bio_s_out, "\nEnd of early data\n");
2337 if (SSL_is_init_finished(con))
2338 print_connection_info(con);
2341 if (fileno_stdin() > s)
2342 width = fileno_stdin() + 1;
2346 int read_from_terminal;
2347 int read_from_sslcon;
2349 read_from_terminal = 0;
2350 read_from_sslcon = SSL_has_pending(con)
2351 || (async && SSL_waiting_for_async(con));
2353 if (!read_from_sslcon) {
2355 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2356 openssl_fdset(fileno_stdin(), &readfds);
2358 openssl_fdset(s, &readfds);
2360 * Note: under VMS with SOCKETSHR the second parameter is
2361 * currently of type (int *) whereas under other systems it is
2362 * (void *) if you don't have a cast it will choke the compiler:
2363 * if you do have a cast then you can either go for (int *) or
2366 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2368 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2369 * only on sockets. As a workaround we timeout the select every
2370 * second and check for any keypress. In a proper Windows
2371 * application we wouldn't do this because it is inefficient.
2375 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2376 if (has_stdin_waiting())
2377 read_from_terminal = 1;
2378 if ((i < 0) || (!i && !read_from_terminal))
2381 if ((SSL_version(con) == DTLS1_VERSION) &&
2382 DTLSv1_get_timeout(con, &timeout))
2383 timeoutp = &timeout;
2387 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2389 if ((SSL_version(con) == DTLS1_VERSION)
2390 && DTLSv1_handle_timeout(con) > 0) {
2391 BIO_printf(bio_err, "TIMEOUT occurred\n");
2396 if (FD_ISSET(fileno_stdin(), &readfds))
2397 read_from_terminal = 1;
2399 if (FD_ISSET(s, &readfds))
2400 read_from_sslcon = 1;
2402 if (read_from_terminal) {
2406 i = raw_read_stdin(buf, bufsize / 2);
2408 /* both loops are skipped when i <= 0 */
2409 for (j = 0; j < i; j++)
2412 for (j = i - 1; j >= 0; j--) {
2413 buf[j + lf_num] = buf[j];
2414 if (buf[j] == '\n') {
2417 buf[j + lf_num] = '\r';
2420 assert(lf_num == 0);
2422 i = raw_read_stdin(buf, bufsize);
2425 if (!s_quiet && !s_brief) {
2426 if ((i <= 0) || (buf[0] == 'Q')) {
2427 BIO_printf(bio_s_out, "DONE\n");
2428 (void)BIO_flush(bio_s_out);
2430 close_accept_socket();
2434 if ((i <= 0) || (buf[0] == 'q')) {
2435 BIO_printf(bio_s_out, "DONE\n");
2436 (void)BIO_flush(bio_s_out);
2437 if (SSL_version(con) != DTLS1_VERSION)
2440 * close_accept_socket(); ret= -11;
2444 #ifndef OPENSSL_NO_HEARTBEATS
2445 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2446 BIO_printf(bio_err, "HEARTBEATING\n");
2452 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2453 SSL_renegotiate(con);
2454 i = SSL_do_handshake(con);
2455 printf("SSL_do_handshake -> %d\n", i);
2459 * strcpy(buf,"server side RE-NEGOTIATE\n");
2462 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2464 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2466 SSL_renegotiate(con);
2467 i = SSL_do_handshake(con);
2468 printf("SSL_do_handshake -> %d\n", i);
2472 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2476 if ((buf[0] == 'K' || buf[0] == 'k')
2477 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2478 SSL_key_update(con, buf[0] == 'K' ?
2479 SSL_KEY_UPDATE_REQUESTED
2480 : SSL_KEY_UPDATE_NOT_REQUESTED);
2481 i = SSL_do_handshake(con);
2482 printf("SSL_do_handshake -> %d\n", i);
2486 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2490 if (buf[0] == 'P') {
2491 static const char *str = "Lets print some clear text\n";
2492 BIO_write(SSL_get_wbio(con), str, strlen(str));
2494 if (buf[0] == 'S') {
2495 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2498 #ifdef CHARSET_EBCDIC
2499 ebcdic2ascii(buf, buf, i);
2503 /* should do a select for the write */
2506 if (++count == 100) {
2508 SSL_renegotiate(con);
2511 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2512 #ifndef OPENSSL_NO_SRP
2513 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2514 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2515 SRP_user_pwd_free(srp_callback_parm.user);
2516 srp_callback_parm.user =
2517 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2518 srp_callback_parm.login);
2519 if (srp_callback_parm.user)
2520 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2521 srp_callback_parm.user->info);
2523 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2524 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2527 switch (SSL_get_error(con, k)) {
2528 case SSL_ERROR_NONE:
2530 case SSL_ERROR_WANT_ASYNC:
2531 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2532 (void)BIO_flush(bio_s_out);
2533 wait_for_async(con);
2535 case SSL_ERROR_WANT_WRITE:
2536 case SSL_ERROR_WANT_READ:
2537 case SSL_ERROR_WANT_X509_LOOKUP:
2538 BIO_printf(bio_s_out, "Write BLOCK\n");
2539 (void)BIO_flush(bio_s_out);
2541 case SSL_ERROR_WANT_ASYNC_JOB:
2543 * This shouldn't ever happen in s_server. Treat as an error
2545 case SSL_ERROR_SYSCALL:
2547 BIO_printf(bio_s_out, "ERROR\n");
2548 (void)BIO_flush(bio_s_out);
2549 ERR_print_errors(bio_err);
2553 case SSL_ERROR_ZERO_RETURN:
2554 BIO_printf(bio_s_out, "DONE\n");
2555 (void)BIO_flush(bio_s_out);
2567 if (read_from_sslcon) {
2569 * init_ssl_connection handles all async events itself so if we're
2570 * waiting for async then we shouldn't go back into
2571 * init_ssl_connection
2573 if ((!async || !SSL_waiting_for_async(con))
2574 && !SSL_is_init_finished(con)) {
2575 i = init_ssl_connection(con);
2580 } else if (i == 0) {
2586 i = SSL_read(con, (char *)buf, bufsize);
2587 #ifndef OPENSSL_NO_SRP
2588 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2589 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2590 SRP_user_pwd_free(srp_callback_parm.user);
2591 srp_callback_parm.user =
2592 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2593 srp_callback_parm.login);
2594 if (srp_callback_parm.user)
2595 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2596 srp_callback_parm.user->info);
2598 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2599 i = SSL_read(con, (char *)buf, bufsize);
2602 switch (SSL_get_error(con, i)) {
2603 case SSL_ERROR_NONE:
2604 #ifdef CHARSET_EBCDIC
2605 ascii2ebcdic(buf, buf, i);
2607 raw_write_stdout(buf, (unsigned int)i);
2608 (void)BIO_flush(bio_s_out);
2609 if (SSL_has_pending(con))
2612 case SSL_ERROR_WANT_ASYNC:
2613 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2614 (void)BIO_flush(bio_s_out);
2615 wait_for_async(con);
2617 case SSL_ERROR_WANT_WRITE:
2618 case SSL_ERROR_WANT_READ:
2619 BIO_printf(bio_s_out, "Read BLOCK\n");
2620 (void)BIO_flush(bio_s_out);
2622 case SSL_ERROR_WANT_ASYNC_JOB:
2624 * This shouldn't ever happen in s_server. Treat as an error
2626 case SSL_ERROR_SYSCALL:
2628 BIO_printf(bio_s_out, "ERROR\n");
2629 (void)BIO_flush(bio_s_out);
2630 ERR_print_errors(bio_err);
2633 case SSL_ERROR_ZERO_RETURN:
2634 BIO_printf(bio_s_out, "DONE\n");
2635 (void)BIO_flush(bio_s_out);
2644 BIO_printf(bio_s_out, "shutting down SSL\n");
2645 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2648 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2649 OPENSSL_clear_free(buf, bufsize);
2651 BIO_printf(bio_s_out, "ACCEPT\n");
2652 (void)BIO_flush(bio_s_out);
2656 static void close_accept_socket(void)
2658 BIO_printf(bio_err, "shutdown accept socket\n");
2659 if (accept_socket >= 0) {
2660 BIO_closesocket(accept_socket);
2664 static int is_retryable(SSL *con, int i)
2666 int err = SSL_get_error(con, i);
2668 /* If it's not a fatal error, it must be retryable */
2669 return (err != SSL_ERROR_SSL)
2670 && (err != SSL_ERROR_SYSCALL)
2671 && (err != SSL_ERROR_ZERO_RETURN);
2674 static int init_ssl_connection(SSL *con)
2680 #ifndef OPENSSL_NO_DTLS
2682 BIO_ADDR *client = NULL;
2684 if ((client = BIO_ADDR_new()) == NULL) {
2685 BIO_printf(bio_err, "ERROR - memory\n");
2688 i = DTLSv1_listen(con, client);
2693 wbio = SSL_get_wbio(con);
2695 BIO_get_fd(wbio, &fd);
2698 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2699 BIO_printf(bio_err, "ERROR - unable to connect\n");
2700 BIO_ADDR_free(client);
2703 BIO_ADDR_free(client);
2705 i = SSL_accept(con);
2707 BIO_ADDR_free(client);
2713 i = SSL_accept(con);
2716 retry = is_retryable(con, i);
2717 #ifdef CERT_CB_TEST_RETRY
2720 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2721 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2723 "LOOKUP from certificate callback during accept\n");
2724 i = SSL_accept(con);
2726 retry = is_retryable(con, i);
2731 #ifndef OPENSSL_NO_SRP
2733 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2734 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2735 srp_callback_parm.login);
2736 SRP_user_pwd_free(srp_callback_parm.user);
2737 srp_callback_parm.user =
2738 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2739 srp_callback_parm.login);
2740 if (srp_callback_parm.user)
2741 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2742 srp_callback_parm.user->info);
2744 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2745 i = SSL_accept(con);
2747 retry = is_retryable(con, i);
2750 } while (i < 0 && SSL_waiting_for_async(con));
2753 if ((dtlslisten && i == 0)
2754 || (!dtlslisten && retry)) {
2755 BIO_printf(bio_s_out, "DELAY\n");
2759 BIO_printf(bio_err, "ERROR\n");
2761 verify_err = SSL_get_verify_result(con);
2762 if (verify_err != X509_V_OK) {
2763 BIO_printf(bio_err, "verify error:%s\n",
2764 X509_verify_cert_error_string(verify_err));
2766 /* Always print any error messages */
2767 ERR_print_errors(bio_err);
2771 print_connection_info(con);
2775 static void print_connection_info(SSL *con)
2780 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2781 const unsigned char *next_proto_neg;
2782 unsigned next_proto_neg_len;
2784 unsigned char *exportedkeymat;
2788 print_ssl_summary(con);
2790 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2792 peer = SSL_get_peer_certificate(con);
2794 BIO_printf(bio_s_out, "Client certificate\n");
2795 PEM_write_bio_X509(bio_s_out, peer);
2796 dump_cert_text(bio_s_out, peer);
2801 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2802 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2803 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2804 ssl_print_sigalgs(bio_s_out, con);
2805 #ifndef OPENSSL_NO_EC
2806 ssl_print_point_formats(bio_s_out, con);
2807 ssl_print_groups(bio_s_out, con, 0);
2809 print_ca_names(bio_s_out, con);
2810 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2812 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2813 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2814 if (next_proto_neg) {
2815 BIO_printf(bio_s_out, "NEXTPROTO is ");
2816 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2817 BIO_printf(bio_s_out, "\n");
2820 #ifndef OPENSSL_NO_SRTP
2822 SRTP_PROTECTION_PROFILE *srtp_profile
2823 = SSL_get_selected_srtp_profile(con);
2826 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2827 srtp_profile->name);
2830 if (SSL_session_reused(con))
2831 BIO_printf(bio_s_out, "Reused session-id\n");
2832 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2833 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2834 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2835 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2837 if (keymatexportlabel != NULL) {
2838 BIO_printf(bio_s_out, "Keying material exporter:\n");
2839 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2840 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2841 exportedkeymat = app_malloc(keymatexportlen, "export key");
2842 if (!SSL_export_keying_material(con, exportedkeymat,
2845 strlen(keymatexportlabel),
2847 BIO_printf(bio_s_out, " Error\n");
2849 BIO_printf(bio_s_out, " Keying material: ");
2850 for (i = 0; i < keymatexportlen; i++)
2851 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2852 BIO_printf(bio_s_out, "\n");
2854 OPENSSL_free(exportedkeymat);
2857 (void)BIO_flush(bio_s_out);
2860 #ifndef OPENSSL_NO_DH
2861 static DH *load_dh_param(const char *dhfile)
2866 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2868 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2875 static int www_body(int s, int stype, int prot, unsigned char *context)
2881 const SSL_CIPHER *c;
2882 BIO *io, *ssl_bio, *sbio;
2884 int total_bytes = 0;
2889 /* Set width for a select call if needed */
2892 buf = app_malloc(bufsize, "server www buffer");
2893 io = BIO_new(BIO_f_buffer());
2894 ssl_bio = BIO_new(BIO_f_ssl());
2895 if ((io == NULL) || (ssl_bio == NULL))
2899 if (!BIO_socket_nbio(s, 1))
2900 ERR_print_errors(bio_err);
2902 BIO_printf(bio_err, "Turned on non blocking io\n");
2905 /* lets make the output buffer a reasonable size */
2906 if (!BIO_set_write_buffer_size(io, bufsize))
2909 if ((con = SSL_new(ctx)) == NULL)
2912 if (s_tlsextdebug) {
2913 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2914 SSL_set_tlsext_debug_arg(con, bio_s_out);
2918 && !SSL_set_session_id_context(con, context,
2919 strlen((char *)context)))
2922 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2926 test = BIO_new(BIO_f_nbio_test());
2927 sbio = BIO_push(test, sbio);
2929 SSL_set_bio(con, sbio, sbio);
2930 SSL_set_accept_state(con);
2932 /* SSL_set_fd(con,s); */
2933 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2934 BIO_push(io, ssl_bio);
2935 #ifdef CHARSET_EBCDIC
2936 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2940 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2941 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2944 #ifndef OPENSSL_NO_SSL_TRACE
2946 SSL_set_msg_callback(con, SSL_trace);
2949 SSL_set_msg_callback(con, msg_cb);
2950 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2954 i = BIO_gets(io, buf, bufsize - 1);
2955 if (i < 0) { /* error */
2956 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2958 ERR_print_errors(bio_err);
2961 BIO_printf(bio_s_out, "read R BLOCK\n");
2962 #ifndef OPENSSL_NO_SRP
2963 if (BIO_should_io_special(io)
2964 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2965 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2966 SRP_user_pwd_free(srp_callback_parm.user);
2967 srp_callback_parm.user =
2968 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2969 srp_callback_parm.login);
2970 if (srp_callback_parm.user)
2971 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2972 srp_callback_parm.user->info);
2974 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2978 #if !defined(OPENSSL_SYS_MSDOS)
2983 } else if (i == 0) { /* end of input */
2988 /* else we have data */
2989 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2990 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2993 STACK_OF(SSL_CIPHER) *sk;
2994 static const char *space = " ";
2996 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2997 if (strncmp("GET /renegcert", buf, 14) == 0)
2999 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3001 i = SSL_renegotiate(con);
3002 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3003 /* Send the HelloRequest */
3004 i = SSL_do_handshake(con);
3006 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3007 SSL_get_error(con, i));
3008 ERR_print_errors(bio_err);
3011 /* Wait for a ClientHello to come back */
3013 openssl_fdset(s, &readfds);
3014 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3015 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3016 BIO_printf(bio_s_out,
3017 "Error waiting for client response\n");
3018 ERR_print_errors(bio_err);
3022 * We're not actually expecting any data here and we ignore
3023 * any that is sent. This is just to force the handshake that
3024 * we're expecting to come from the client. If they haven't
3025 * sent one there's not much we can do.
3027 BIO_gets(io, buf, bufsize - 1);
3031 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3032 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3033 BIO_puts(io, "<pre>\n");
3034 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3036 for (i = 0; i < local_argc; i++) {
3038 for (myp = local_argv[i]; *myp; myp++)
3041 BIO_puts(io, "<");
3044 BIO_puts(io, ">");
3047 BIO_puts(io, "&");
3050 BIO_write(io, myp, 1);
3053 BIO_write(io, " ", 1);
3058 "Secure Renegotiation IS%s supported\n",
3059 SSL_get_secure_renegotiation_support(con) ?
3063 * The following is evil and should not really be done
3065 BIO_printf(io, "Ciphers supported in s_server binary\n");
3066 sk = SSL_get_ciphers(con);
3067 j = sk_SSL_CIPHER_num(sk);
3068 for (i = 0; i < j; i++) {
3069 c = sk_SSL_CIPHER_value(sk, i);
3070 BIO_printf(io, "%-11s:%-25s ",
3071 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3072 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3076 p = SSL_get_shared_ciphers(con, buf, bufsize);
3079 "---\nCiphers common between both SSL end points:\n");
3083 BIO_write(io, space, 26 - j);
3086 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3088 BIO_write(io, p, 1);
3095 ssl_print_sigalgs(io, con);
3096 #ifndef OPENSSL_NO_EC
3097 ssl_print_groups(io, con, 0);
3099 print_ca_names(io, con);
3100 BIO_printf(io, (SSL_session_reused(con)
3101 ? "---\nReused, " : "---\nNew, "));
3102 c = SSL_get_current_cipher(con);
3103 BIO_printf(io, "%s, Cipher is %s\n",
3104 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3105 SSL_SESSION_print(io, SSL_get_session(con));
3106 BIO_printf(io, "---\n");
3107 print_stats(io, SSL_get_SSL_CTX(con));
3108 BIO_printf(io, "---\n");
3109 peer = SSL_get_peer_certificate(con);
3111 BIO_printf(io, "Client certificate\n");
3112 X509_print(io, peer);
3113 PEM_write_bio_X509(io, peer);
3117 BIO_puts(io, "no client certificate available\n");
3119 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3121 } else if ((www == 2 || www == 3)
3122 && (strncmp("GET /", buf, 5) == 0)) {
3125 static const char *text =
3126 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3132 for (e = p; *e != '\0'; e++) {
3138 dot = (e[0] == '.') ? 2 : 0;
3141 dot = (e[0] == '.') ? 3 : 0;
3144 dot = (e[0] == '/') ? -1 : 0;
3148 dot = (e[0] == '/') ? 1 : 0;
3150 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3155 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3162 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3168 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3172 /* if a directory, do the index thang */
3173 if (app_isdir(p) > 0) {
3175 BIO_printf(io, "'%s' is a directory\r\n", p);
3179 if ((file = BIO_new_file(p, "r")) == NULL) {
3181 BIO_printf(io, "Error opening '%s'\r\n", p);
3182 ERR_print_errors(io);
3187 BIO_printf(bio_err, "FILE:%s\n", p);
3191 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3192 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3193 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3195 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3198 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3202 i = BIO_read(file, buf, bufsize);
3208 BIO_printf(bio_err, "%d\n", i);
3209 if (total_bytes > 3 * 1024) {
3211 BIO_printf(bio_err, "RENEGOTIATE\n");
3212 SSL_renegotiate(con);
3216 for (j = 0; j < i;) {
3219 if (++count == 13) {
3220 SSL_renegotiate(con);
3223 k = BIO_write(io, &(buf[j]), i - j);
3225 if (!BIO_should_retry(io)
3226 && !SSL_waiting_for_async(con))
3229 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3243 i = (int)BIO_flush(io);
3245 if (!BIO_should_retry(io))
3251 /* make sure we re-use sessions */
3252 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3256 BIO_printf(bio_s_out, "ACCEPT\n");
3262 static int rev_body(int s, int stype, int prot, unsigned char *context)
3268 BIO *io, *ssl_bio, *sbio;
3270 buf = app_malloc(bufsize, "server rev buffer");
3271 io = BIO_new(BIO_f_buffer());
3272 ssl_bio = BIO_new(BIO_f_ssl());
3273 if ((io == NULL) || (ssl_bio == NULL))
3276 /* lets make the output buffer a reasonable size */
3277 if (!BIO_set_write_buffer_size(io, bufsize))
3280 if ((con = SSL_new(ctx)) == NULL)
3283 if (s_tlsextdebug) {
3284 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3285 SSL_set_tlsext_debug_arg(con, bio_s_out);
3288 && !SSL_set_session_id_context(con, context,
3289 strlen((char *)context))) {
3290 ERR_print_errors(bio_err);
3294 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3295 SSL_set_bio(con, sbio, sbio);
3296 SSL_set_accept_state(con);
3298 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3299 BIO_push(io, ssl_bio);
3300 #ifdef CHARSET_EBCDIC
3301 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3305 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3306 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3309 #ifndef OPENSSL_NO_SSL_TRACE
3311 SSL_set_msg_callback(con, SSL_trace);
3314 SSL_set_msg_callback(con, msg_cb);
3315 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3319 i = BIO_do_handshake(io);
3322 if (!BIO_should_retry(io)) {
3323 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3324 ERR_print_errors(bio_err);
3327 #ifndef OPENSSL_NO_SRP
3328 if (BIO_should_io_special(io)
3329 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3330 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3331 SRP_user_pwd_free(srp_callback_parm.user);
3332 srp_callback_parm.user =
3333 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3334 srp_callback_parm.login);
3335 if (srp_callback_parm.user)
3336 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3337 srp_callback_parm.user->info);
3339 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3344 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3345 print_ssl_summary(con);
3348 i = BIO_gets(io, buf, bufsize - 1);
3349 if (i < 0) { /* error */
3350 if (!BIO_should_retry(io)) {
3352 ERR_print_errors(bio_err);
3355 BIO_printf(bio_s_out, "read R BLOCK\n");
3356 #ifndef OPENSSL_NO_SRP
3357 if (BIO_should_io_special(io)
3358 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3359 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3360 SRP_user_pwd_free(srp_callback_parm.user);
3361 srp_callback_parm.user =
3362 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3363 srp_callback_parm.login);
3364 if (srp_callback_parm.user)
3365 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3366 srp_callback_parm.user->info);
3368 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3372 #if !defined(OPENSSL_SYS_MSDOS)
3377 } else if (i == 0) { /* end of input */
3379 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3382 char *p = buf + i - 1;
3383 while (i && (*p == '\n' || *p == '\r')) {
3387 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3389 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3392 BUF_reverse((unsigned char *)buf, NULL, i);
3394 BIO_write(io, buf, i + 1);
3399 if (!BIO_should_retry(io))
3405 /* make sure we re-use sessions */
3406 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3415 #define MAX_SESSION_ID_ATTEMPTS 10
3416 static int generate_session_id(SSL *ssl, unsigned char *id,
3417 unsigned int *id_len)
3419 unsigned int count = 0;
3421 if (RAND_bytes(id, *id_len) <= 0)
3424 * Prefix the session_id with the required prefix. NB: If our prefix
3425 * is too long, clip it - but there will be worse effects anyway, eg.
3426 * the server could only possibly create 1 session ID (ie. the
3427 * prefix!) so all future session negotiations will fail due to
3430 memcpy(id, session_id_prefix,
3431 (strlen(session_id_prefix) < *id_len) ?
3432 strlen(session_id_prefix) : *id_len);
3434 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3435 (++count < MAX_SESSION_ID_ATTEMPTS));
3436 if (count >= MAX_SESSION_ID_ATTEMPTS)
3442 * By default s_server uses an in-memory cache which caches SSL_SESSION
3443 * structures without any serialisation. This hides some bugs which only
3444 * become apparent in deployed servers. By implementing a basic external
3445 * session cache some issues can be debugged using s_server.
3448 typedef struct simple_ssl_session_st {
3453 struct simple_ssl_session_st *next;
3454 } simple_ssl_session;
3456 static simple_ssl_session *first = NULL;
3458 static int add_session(SSL *ssl, SSL_SESSION *session)
3460 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3463 SSL_SESSION_get_id(session, &sess->idlen);
3464 sess->derlen = i2d_SSL_SESSION(session, NULL);
3465 if (sess->derlen < 0) {
3466 BIO_printf(bio_err, "Error encoding session\n");
3471 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3472 sess->der = app_malloc(sess->derlen, "get session buffer");
3474 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3475 OPENSSL_free(sess->id);
3476 OPENSSL_free(sess->der);
3482 /* Assume it still works. */
3483 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3484 BIO_printf(bio_err, "Unexpected session encoding length\n");
3485 OPENSSL_free(sess->id);
3486 OPENSSL_free(sess->der);
3493 BIO_printf(bio_err, "New session added to external cache\n");
3497 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3500 simple_ssl_session *sess;
3502 for (sess = first; sess; sess = sess->next) {
3503 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3504 const unsigned char *p = sess->der;
3505 BIO_printf(bio_err, "Lookup session: cache hit\n");
3506 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3509 BIO_printf(bio_err, "Lookup session: cache miss\n");
3513 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3515 simple_ssl_session *sess, *prev = NULL;
3516 const unsigned char *id;
3518 id = SSL_SESSION_get_id(session, &idlen);
3519 for (sess = first; sess; sess = sess->next) {
3520 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3522 prev->next = sess->next;
3525 OPENSSL_free(sess->id);
3526 OPENSSL_free(sess->der);
3534 static void init_session_cache_ctx(SSL_CTX *sctx)
3536 SSL_CTX_set_session_cache_mode(sctx,
3537 SSL_SESS_CACHE_NO_INTERNAL |
3538 SSL_SESS_CACHE_SERVER);
3539 SSL_CTX_sess_set_new_cb(sctx, add_session);
3540 SSL_CTX_sess_set_get_cb(sctx, get_session);
3541 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3544 static void free_sessions(void)
3546 simple_ssl_session *sess, *tsess;
3547 for (sess = first; sess;) {
3548 OPENSSL_free(sess->id);
3549 OPENSSL_free(sess->der);
3552 OPENSSL_free(tsess);
3557 #endif /* OPENSSL_NO_SOCK */