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>
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;
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);
463 if (servername != NULL && p->biodebug != NULL) {
464 const char *cp = servername;
467 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
468 while ((uc = *cp++) != 0)
469 BIO_printf(p->biodebug,
470 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc);
471 BIO_printf(p->biodebug, "\"\n");
474 if (p->servername == NULL)
475 return SSL_TLSEXT_ERR_NOACK;
477 if (servername != NULL) {
478 if (strcasecmp(servername, p->servername))
479 return p->extension_error;
481 BIO_printf(p->biodebug, "Switching server context.\n");
482 SSL_set_SSL_CTX(s, ctx2);
485 return SSL_TLSEXT_ERR_OK;
488 /* Structure passed to cert status callback */
489 typedef struct tlsextstatusctx_st {
491 /* File to load OCSP Response from (or NULL if no file) */
493 /* Default responder to use */
494 char *host, *path, *port;
499 static tlsextstatusctx tlscstatp = { -1 };
501 #ifndef OPENSSL_NO_OCSP
504 * Helper function to get an OCSP_RESPONSE from a responder. This is a
505 * simplified version. It examines certificates each time and makes one OCSP
506 * responder query for each request. A full version would store details such as
507 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
508 * them until they were considered "expired".
510 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
511 OCSP_RESPONSE **resp)
513 char *host = NULL, *port = NULL, *path = NULL;
515 STACK_OF(OPENSSL_STRING) *aia = NULL;
517 X509_STORE_CTX *inctx = NULL;
519 OCSP_REQUEST *req = NULL;
520 OCSP_CERTID *id = NULL;
521 STACK_OF(X509_EXTENSION) *exts;
522 int ret = SSL_TLSEXT_ERR_NOACK;
525 /* Build up OCSP query from server certificate */
526 x = SSL_get_certificate(s);
527 aia = X509_get1_ocsp(x);
529 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
530 &host, &port, &path, &use_ssl)) {
531 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
535 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
536 sk_OPENSSL_STRING_value(aia, 0));
538 if (srctx->host == NULL) {
540 "cert_status: no AIA and no default responder URL\n");
546 use_ssl = srctx->use_ssl;
549 inctx = X509_STORE_CTX_new();
552 if (!X509_STORE_CTX_init(inctx,
553 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
556 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
557 X509_get_issuer_name(x));
559 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
562 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
563 X509_OBJECT_free(obj);
566 req = OCSP_REQUEST_new();
569 if (!OCSP_request_add0_id(req, id))
572 /* Add any extensions to the request */
573 SSL_get_tlsext_status_exts(s, &exts);
574 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
575 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
576 if (!OCSP_REQUEST_add_ext(req, ext, -1))
579 *resp = process_responder(req, host, path, port, use_ssl, NULL,
582 BIO_puts(bio_err, "cert_status: error querying responder\n");
586 ret = SSL_TLSEXT_ERR_OK;
590 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
593 * If we parsed aia we need to free; otherwise they were copied and we
600 X509_email_free(aia);
602 OCSP_CERTID_free(id);
603 OCSP_REQUEST_free(req);
604 X509_STORE_CTX_free(inctx);
609 * Certificate Status callback. This is called when a client includes a
610 * certificate status request extension. The response is either obtained from a
611 * file, or from an OCSP responder.
613 static int cert_status_cb(SSL *s, void *arg)
615 tlsextstatusctx *srctx = arg;
616 OCSP_RESPONSE *resp = NULL;
617 unsigned char *rspder = NULL;
619 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
622 BIO_puts(bio_err, "cert_status: callback called\n");
624 if (srctx->respin != NULL) {
625 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
626 if (derbio == NULL) {
627 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
630 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
633 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
637 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
638 if (ret != SSL_TLSEXT_ERR_OK)
642 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
646 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
647 if (srctx->verbose) {
648 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
649 OCSP_RESPONSE_print(bio_err, resp, 2);
652 ret = SSL_TLSEXT_ERR_OK;
655 if (ret != SSL_TLSEXT_ERR_OK)
656 ERR_print_errors(bio_err);
658 OCSP_RESPONSE_free(resp);
664 #ifndef OPENSSL_NO_NEXTPROTONEG
665 /* This is the context that we pass to next_proto_cb */
666 typedef struct tlsextnextprotoctx_st {
669 } tlsextnextprotoctx;
671 static int next_proto_cb(SSL *s, const unsigned char **data,
672 unsigned int *len, void *arg)
674 tlsextnextprotoctx *next_proto = arg;
676 *data = next_proto->data;
677 *len = next_proto->len;
679 return SSL_TLSEXT_ERR_OK;
681 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
683 /* This the context that we pass to alpn_cb */
684 typedef struct tlsextalpnctx_st {
689 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
690 const unsigned char *in, unsigned int inlen, void *arg)
692 tlsextalpnctx *alpn_ctx = arg;
695 /* We can assume that |in| is syntactically valid. */
697 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
698 for (i = 0; i < inlen;) {
700 BIO_write(bio_s_out, ", ", 2);
701 BIO_write(bio_s_out, &in[i + 1], in[i]);
704 BIO_write(bio_s_out, "\n", 1);
707 if (SSL_select_next_proto
708 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
709 inlen) != OPENSSL_NPN_NEGOTIATED) {
710 return SSL_TLSEXT_ERR_NOACK;
714 BIO_printf(bio_s_out, "ALPN protocols selected: ");
715 BIO_write(bio_s_out, *out, *outlen);
716 BIO_write(bio_s_out, "\n", 1);
719 return SSL_TLSEXT_ERR_OK;
722 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
724 /* disable resumption for sessions with forward secure ciphers */
725 return is_forward_secure;
728 #ifndef OPENSSL_NO_SRP
729 static srpsrvparm srp_callback_parm;
731 #ifndef OPENSSL_NO_SRTP
732 static char *srtp_profiles = NULL;
735 typedef enum OPTION_choice {
736 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
737 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
738 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
739 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
740 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
741 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
742 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
743 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
744 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
745 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
746 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
747 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
748 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
749 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
750 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
751 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
752 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
753 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
754 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
755 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN,
756 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
757 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
758 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
759 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_EARLY_DATA,
766 const OPTIONS s_server_options[] = {
767 {"help", OPT_HELP, '-', "Display this summary"},
768 {"port", OPT_PORT, 'p',
769 "TCP/IP port to listen on for connections (default is " PORT ")"},
770 {"accept", OPT_ACCEPT, 's',
771 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
773 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
775 {"4", OPT_4, '-', "Use IPv4 only"},
776 {"6", OPT_6, '-', "Use IPv6 only"},
778 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
780 {"context", OPT_CONTEXT, 's', "Set session ID context"},
781 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
782 {"Verify", OPT_UPPER_V_VERIFY, 'n',
783 "Turn on peer certificate verification, must have a cert"},
784 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
785 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
786 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
787 {"serverinfo", OPT_SERVERINFO, 's',
788 "PEM serverinfo file for certificate"},
789 {"certform", OPT_CERTFORM, 'F',
790 "Certificate format (PEM or DER) PEM default"},
791 {"key", OPT_KEY, 's',
792 "Private Key if not in -cert; default is " TEST_CERT},
793 {"keyform", OPT_KEYFORM, 'f',
794 "Key format (PEM, DER or ENGINE) PEM default"},
795 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
796 {"dcert", OPT_DCERT, '<',
797 "Second certificate file to use (usually for DSA)"},
798 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
799 {"dcertform", OPT_DCERTFORM, 'F',
800 "Second certificate format (PEM or DER) PEM default"},
801 {"dkey", OPT_DKEY, '<',
802 "Second private key file to use (usually for DSA)"},
803 {"dkeyform", OPT_DKEYFORM, 'F',
804 "Second key format (PEM, DER or ENGINE) PEM default"},
805 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
806 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
807 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
808 {"debug", OPT_DEBUG, '-', "Print more output"},
809 {"msg", OPT_MSG, '-', "Show protocol messages"},
810 {"msgfile", OPT_MSGFILE, '>',
811 "File to send output of -msg or -trace, instead of stdout"},
812 {"state", OPT_STATE, '-', "Print the SSL states"},
813 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
814 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
815 {"no-CAfile", OPT_NOCAFILE, '-',
816 "Do not load the default certificates file"},
817 {"no-CApath", OPT_NOCAPATH, '-',
818 "Do not load certificates from the default certificates directory"},
819 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
820 {"quiet", OPT_QUIET, '-', "No server output"},
821 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
822 "Disable caching and tickets if ephemeral (EC)DH is used"},
823 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
824 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
825 {"servername", OPT_SERVERNAME, 's',
826 "Servername for HostName TLS extension"},
827 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
828 "mismatch send fatal alert (default warning alert)"},
829 {"cert2", OPT_CERT2, '<',
830 "Certificate file to use for servername; default is" TEST_CERT2},
831 {"key2", OPT_KEY2, '<',
832 "-Private Key file to use for servername if not in -cert2"},
833 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
834 "Hex dump of all TLS extensions received"},
835 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
836 {"id_prefix", OPT_ID_PREFIX, 's',
837 "Generate SSL/TLS session IDs prefixed by arg"},
839 {"keymatexport", OPT_KEYMATEXPORT, 's',
840 "Export keying material using label"},
841 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
842 "Export len bytes of keying material (default 20)"},
843 {"CRL", OPT_CRL, '<', "CRL file to use"},
844 {"crl_download", OPT_CRL_DOWNLOAD, '-',
845 "Download CRL from distribution points"},
846 {"cert_chain", OPT_CERT_CHAIN, '<',
847 "certificate chain file in PEM format"},
848 {"dcert_chain", OPT_DCERT_CHAIN, '<',
849 "second certificate chain file in PEM format"},
850 {"chainCApath", OPT_CHAINCAPATH, '/',
851 "use dir as certificate store path to build CA certificate chain"},
852 {"verifyCApath", OPT_VERIFYCAPATH, '/',
853 "use dir as certificate store path to verify CA certificate"},
854 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
855 {"ext_cache", OPT_EXT_CACHE, '-',
856 "Disable internal cache, setup and use external cache"},
857 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
858 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
859 "Close connection on verification error"},
860 {"verify_quiet", OPT_VERIFY_QUIET, '-',
861 "No verify output except verify errors"},
862 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
863 {"chainCAfile", OPT_CHAINCAFILE, '<',
864 "CA file for certificate chain (PEM format)"},
865 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
866 "CA file for certificate verification (PEM format)"},
867 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
868 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
869 #ifndef OPENSSL_NO_OCSP
870 {"status", OPT_STATUS, '-', "Request certificate status from server"},
871 {"status_verbose", OPT_STATUS_VERBOSE, '-',
872 "Print more output in certificate status callback"},
873 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
874 "Status request responder timeout"},
875 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
876 {"status_file", OPT_STATUS_FILE, '<',
877 "File containing DER encoded OCSP Response"},
879 #ifndef OPENSSL_NO_SSL_TRACE
880 {"trace", OPT_TRACE, '-', "trace protocol messages"},
882 {"security_debug", OPT_SECURITY_DEBUG, '-',
883 "Print output from SSL/TLS security framework"},
884 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
885 "Print more output from SSL/TLS security framework"},
886 {"brief", OPT_BRIEF, '-',
887 "Restrict output to brief summary of connection parameters"},
888 {"rev", OPT_REV, '-',
889 "act as a simple test server which just sends back with the received text reversed"},
890 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
891 {"ssl_config", OPT_SSL_CONFIG, 's',
892 "Configure SSL_CTX using the configuration 'val'"},
893 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
894 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
895 "Size used to split data for encrypt pipelines"},
896 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
897 "Maximum number of encrypt/decrypt pipelines to be used"},
898 {"read_buf", OPT_READ_BUF, 'p',
899 "Default read buffer size to be used for connections"},
903 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
904 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
905 #ifndef OPENSSL_NO_PSK
906 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
908 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
909 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
910 #ifndef OPENSSL_NO_SRP
911 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
912 {"srpuserseed", OPT_SRPUSERSEED, 's',
913 "A seed string for a default user salt"},
915 #ifndef OPENSSL_NO_SSL3
916 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
918 #ifndef OPENSSL_NO_TLS1
919 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
921 #ifndef OPENSSL_NO_TLS1_1
922 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
924 #ifndef OPENSSL_NO_TLS1_2
925 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
927 #ifndef OPENSSL_NO_TLS1_3
928 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
930 #ifndef OPENSSL_NO_DTLS
931 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
932 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
933 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
934 {"listen", OPT_LISTEN, '-',
935 "Listen for a DTLS ClientHello with a cookie and then connect"},
937 #ifndef OPENSSL_NO_DTLS1
938 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
940 #ifndef OPENSSL_NO_DTLS1_2
941 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
943 #ifndef OPENSSL_NO_SCTP
944 {"sctp", OPT_SCTP, '-', "Use SCTP"},
946 #ifndef OPENSSL_NO_DH
947 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
949 #ifndef OPENSSL_NO_NEXTPROTONEG
950 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
951 "Set the advertised protocols for the NPN extension (comma-separated list)"},
953 #ifndef OPENSSL_NO_SRTP
954 {"use_srtp", OPT_SRTP_PROFILES, 's',
955 "Offer SRTP key management with a colon-separated profile list"},
957 {"alpn", OPT_ALPN, 's',
958 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
959 #ifndef OPENSSL_NO_ENGINE
960 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
962 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
963 {"max_early_data", OPT_MAX_EARLY, 'n',
964 "The maximum number of bytes of early data"},
965 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
966 {NULL, OPT_EOF, 0, NULL}
969 #define IS_PROT_FLAG(o) \
970 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
971 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
973 int s_server_main(int argc, char *argv[])
975 ENGINE *engine = NULL;
976 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
977 SSL_CONF_CTX *cctx = NULL;
978 const SSL_METHOD *meth = TLS_server_method();
979 SSL_EXCERT *exc = NULL;
980 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
981 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
982 STACK_OF(X509_CRL) *crls = NULL;
983 X509 *s_cert = NULL, *s_dcert = NULL;
984 X509_VERIFY_PARAM *vpm = NULL;
985 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
986 char *dpassarg = NULL, *dpass = NULL;
987 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
988 char *crl_file = NULL, *prog;
990 int unlink_unix_path = 0;
992 do_server_cb server_cb;
993 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
994 #ifndef OPENSSL_NO_DH
998 int nocert = 0, ret = 1;
999 int noCApath = 0, noCAfile = 0;
1000 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1001 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1002 int rev = 0, naccept = -1, sdebug = 0;
1003 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1004 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1006 char *port = BUF_strdup(PORT);
1007 unsigned char *context = NULL;
1009 EVP_PKEY *s_key2 = NULL;
1010 X509 *s_cert2 = NULL;
1011 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1012 const char *ssl_config = NULL;
1013 int read_buf_len = 0;
1014 #ifndef OPENSSL_NO_NEXTPROTONEG
1015 const char *next_proto_neg_in = NULL;
1016 tlsextnextprotoctx next_proto = { NULL, 0 };
1018 const char *alpn_in = NULL;
1019 tlsextalpnctx alpn_ctx = { NULL, 0 };
1020 #ifndef OPENSSL_NO_PSK
1021 /* by default do not send a PSK identity hint */
1022 char *psk_identity_hint = NULL;
1025 #ifndef OPENSSL_NO_SRP
1026 char *srpuserseed = NULL;
1027 char *srp_verifier_file = NULL;
1029 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1030 int s_server_verify = SSL_VERIFY_NONE;
1031 int s_server_session_id_context = 1; /* anything will do */
1032 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1033 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1034 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1035 #ifndef OPENSSL_NO_OCSP
1036 int s_tlsextstatus = 0;
1038 int no_resume_ephemeral = 0;
1039 unsigned int max_send_fragment = 0;
1040 unsigned int split_send_fragment = 0, max_pipelines = 0;
1041 const char *s_serverinfo_file = NULL;
1042 const char *keylog_file = NULL;
1043 int max_early_data = -1;
1044 char *psksessf = NULL;
1046 /* Init of few remaining global variables */
1051 s_nbio = s_nbio_test = 0;
1060 cctx = SSL_CONF_CTX_new();
1061 vpm = X509_VERIFY_PARAM_new();
1062 if (cctx == NULL || vpm == NULL)
1064 SSL_CONF_CTX_set_flags(cctx,
1065 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1067 prog = opt_init(argc, argv, s_server_options);
1068 while ((o = opt_next()) != OPT_EOF) {
1069 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1070 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1073 if (IS_NO_PROT_FLAG(o))
1075 if (prot_opt == 1 && no_prot_opt) {
1077 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1084 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1087 opt_help(s_server_options);
1093 if (socket_family == AF_UNIX) {
1094 OPENSSL_free(host); host = NULL;
1095 OPENSSL_free(port); port = NULL;
1098 socket_family = AF_INET;
1104 if (socket_family == AF_UNIX) {
1105 OPENSSL_free(host); host = NULL;
1106 OPENSSL_free(port); port = NULL;
1109 socket_family = AF_INET6;
1112 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1118 if (socket_family == AF_UNIX) {
1119 socket_family = AF_UNSPEC;
1122 OPENSSL_free(port); port = NULL;
1123 OPENSSL_free(host); host = NULL;
1124 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1126 "%s: -port argument malformed or ambiguous\n",
1133 if (socket_family == AF_UNIX) {
1134 socket_family = AF_UNSPEC;
1137 OPENSSL_free(port); port = NULL;
1138 OPENSSL_free(host); host = NULL;
1139 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1141 "%s: -accept argument malformed or ambiguous\n",
1148 socket_family = AF_UNIX;
1149 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1150 OPENSSL_free(port); port = NULL;
1153 unlink_unix_path = 1;
1157 naccept = atol(opt_arg());
1160 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1161 verify_args.depth = atoi(opt_arg());
1163 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1165 case OPT_UPPER_V_VERIFY:
1167 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1168 SSL_VERIFY_CLIENT_ONCE;
1169 verify_args.depth = atoi(opt_arg());
1172 "verify depth is %d, must return a certificate\n",
1176 context = (unsigned char *)opt_arg();
1179 s_cert_file = opt_arg();
1182 if (!set_nameopt(opt_arg()))
1186 crl_file = opt_arg();
1188 case OPT_CRL_DOWNLOAD:
1191 case OPT_SERVERINFO:
1192 s_serverinfo_file = opt_arg();
1195 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1199 s_key_file = opt_arg();
1202 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1206 passarg = opt_arg();
1208 case OPT_CERT_CHAIN:
1209 s_chain_file = opt_arg();
1212 #ifndef OPENSSL_NO_DH
1217 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1221 s_dcert_file = opt_arg();
1224 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1228 dpassarg = opt_arg();
1231 s_dkey_file = opt_arg();
1233 case OPT_DCERT_CHAIN:
1234 s_dchain_file = opt_arg();
1245 case OPT_CHAINCAPATH:
1246 chCApath = opt_arg();
1248 case OPT_VERIFYCAPATH:
1249 vfyCApath = opt_arg();
1258 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1262 if (ssl_args == NULL)
1263 ssl_args = sk_OPENSSL_STRING_new_null();
1264 if (ssl_args == NULL
1265 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1266 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1267 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1272 if (!opt_verify(o, vpm))
1277 if (!args_excert(o, &exc))
1280 case OPT_VERIFY_RET_ERROR:
1281 verify_args.return_error = 1;
1283 case OPT_VERIFY_QUIET:
1284 verify_args.quiet = 1;
1286 case OPT_BUILD_CHAIN:
1295 case OPT_CHAINCAFILE:
1296 chCAfile = opt_arg();
1298 case OPT_VERIFYCAFILE:
1299 vfyCAfile = opt_arg();
1305 s_nbio = s_nbio_test = 1;
1310 case OPT_NO_IGN_EOF:
1316 case OPT_TLSEXTDEBUG:
1320 #ifndef OPENSSL_NO_OCSP
1324 case OPT_STATUS_VERBOSE:
1325 #ifndef OPENSSL_NO_OCSP
1326 s_tlsextstatus = tlscstatp.verbose = 1;
1329 case OPT_STATUS_TIMEOUT:
1330 #ifndef OPENSSL_NO_OCSP
1332 tlscstatp.timeout = atoi(opt_arg());
1335 case OPT_STATUS_URL:
1336 #ifndef OPENSSL_NO_OCSP
1338 if (!OCSP_parse_url(opt_arg(),
1341 &tlscstatp.path, &tlscstatp.use_ssl)) {
1342 BIO_printf(bio_err, "Error parsing URL\n");
1347 case OPT_STATUS_FILE:
1348 #ifndef OPENSSL_NO_OCSP
1350 tlscstatp.respin = opt_arg();
1357 bio_s_msg = BIO_new_file(opt_arg(), "w");
1360 #ifndef OPENSSL_NO_SSL_TRACE
1364 case OPT_SECURITY_DEBUG:
1367 case OPT_SECURITY_DEBUG_VERBOSE:
1380 s_quiet = s_brief = verify_args.quiet = 1;
1383 #ifndef OPENSSL_NO_DH
1387 case OPT_NO_RESUME_EPHEMERAL:
1388 no_resume_ephemeral = 1;
1390 case OPT_PSK_IDENTITY:
1391 psk_identity = opt_arg();
1394 #ifndef OPENSSL_NO_PSK
1395 psk_identity_hint = opt_arg();
1399 for (p = psk_key = opt_arg(); *p; p++) {
1400 if (isxdigit(_UC(*p)))
1402 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1407 psksessf = opt_arg();
1410 #ifndef OPENSSL_NO_SRP
1411 srp_verifier_file = opt_arg();
1412 if (min_version < TLS1_VERSION)
1413 min_version = TLS1_VERSION;
1416 case OPT_SRPUSERSEED:
1417 #ifndef OPENSSL_NO_SRP
1418 srpuserseed = opt_arg();
1419 if (min_version < TLS1_VERSION)
1420 min_version = TLS1_VERSION;
1435 case OPT_SSL_CONFIG:
1436 ssl_config = opt_arg();
1439 min_version = SSL3_VERSION;
1440 max_version = SSL3_VERSION;
1443 min_version = TLS1_3_VERSION;
1444 max_version = TLS1_3_VERSION;
1447 min_version = TLS1_2_VERSION;
1448 max_version = TLS1_2_VERSION;
1451 min_version = TLS1_1_VERSION;
1452 max_version = TLS1_1_VERSION;
1455 min_version = TLS1_VERSION;
1456 max_version = TLS1_VERSION;
1459 #ifndef OPENSSL_NO_DTLS
1460 meth = DTLS_server_method();
1461 socket_type = SOCK_DGRAM;
1465 #ifndef OPENSSL_NO_DTLS
1466 meth = DTLS_server_method();
1467 min_version = DTLS1_VERSION;
1468 max_version = DTLS1_VERSION;
1469 socket_type = SOCK_DGRAM;
1473 #ifndef OPENSSL_NO_DTLS
1474 meth = DTLS_server_method();
1475 min_version = DTLS1_2_VERSION;
1476 max_version = DTLS1_2_VERSION;
1477 socket_type = SOCK_DGRAM;
1481 #ifndef OPENSSL_NO_SCTP
1482 protocol = IPPROTO_SCTP;
1486 #ifndef OPENSSL_NO_DTLS
1487 enable_timeouts = 1;
1491 #ifndef OPENSSL_NO_DTLS
1492 socket_mtu = atol(opt_arg());
1496 #ifndef OPENSSL_NO_DTLS
1501 session_id_prefix = opt_arg();
1504 engine = setup_engine(opt_arg(), 1);
1510 case OPT_SERVERNAME:
1511 tlsextcbp.servername = opt_arg();
1513 case OPT_SERVERNAME_FATAL:
1514 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1517 s_cert_file2 = opt_arg();
1520 s_key_file2 = opt_arg();
1522 case OPT_NEXTPROTONEG:
1523 # ifndef OPENSSL_NO_NEXTPROTONEG
1524 next_proto_neg_in = opt_arg();
1528 alpn_in = opt_arg();
1530 case OPT_SRTP_PROFILES:
1531 #ifndef OPENSSL_NO_SRTP
1532 srtp_profiles = opt_arg();
1535 case OPT_KEYMATEXPORT:
1536 keymatexportlabel = opt_arg();
1538 case OPT_KEYMATEXPORTLEN:
1539 keymatexportlen = atoi(opt_arg());
1544 case OPT_MAX_SEND_FRAG:
1545 max_send_fragment = atoi(opt_arg());
1547 case OPT_SPLIT_SEND_FRAG:
1548 split_send_fragment = atoi(opt_arg());
1550 case OPT_MAX_PIPELINES:
1551 max_pipelines = atoi(opt_arg());
1554 read_buf_len = atoi(opt_arg());
1556 case OPT_KEYLOG_FILE:
1557 keylog_file = opt_arg();
1560 max_early_data = atoi(opt_arg());
1561 if (max_early_data < 0) {
1562 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1566 case OPT_EARLY_DATA:
1571 argc = opt_num_rest();
1574 #ifndef OPENSSL_NO_NEXTPROTONEG
1575 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1576 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1580 #ifndef OPENSSL_NO_DTLS
1581 if (www && socket_type == SOCK_DGRAM) {
1582 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1586 if (dtlslisten && socket_type != SOCK_DGRAM) {
1587 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1593 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1595 "Can't use unix sockets and datagrams together\n");
1600 #ifndef OPENSSL_NO_SCTP
1601 if (protocol == IPPROTO_SCTP) {
1602 if (socket_type != SOCK_DGRAM) {
1603 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1606 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1607 socket_type = SOCK_STREAM;
1611 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1612 BIO_printf(bio_err, "Error getting password\n");
1616 if (s_key_file == NULL)
1617 s_key_file = s_cert_file;
1619 if (s_key_file2 == NULL)
1620 s_key_file2 = s_cert_file2;
1622 if (!load_excert(&exc))
1626 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1627 "server certificate private key file");
1628 if (s_key == NULL) {
1629 ERR_print_errors(bio_err);
1633 s_cert = load_cert(s_cert_file, s_cert_format,
1634 "server certificate file");
1636 if (s_cert == NULL) {
1637 ERR_print_errors(bio_err);
1640 if (s_chain_file != NULL) {
1641 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1642 "server certificate chain"))
1646 if (tlsextcbp.servername != NULL) {
1647 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1648 "second server certificate private key file");
1649 if (s_key2 == NULL) {
1650 ERR_print_errors(bio_err);
1654 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1655 "second server certificate file");
1657 if (s_cert2 == NULL) {
1658 ERR_print_errors(bio_err);
1663 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1664 if (next_proto_neg_in) {
1665 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1666 if (next_proto.data == NULL)
1670 alpn_ctx.data = NULL;
1672 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1673 if (alpn_ctx.data == NULL)
1677 if (crl_file != NULL) {
1679 crl = load_crl(crl_file, crl_format);
1681 BIO_puts(bio_err, "Error loading CRL\n");
1682 ERR_print_errors(bio_err);
1685 crls = sk_X509_CRL_new_null();
1686 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1687 BIO_puts(bio_err, "Error adding CRL\n");
1688 ERR_print_errors(bio_err);
1694 if (s_dcert_file != NULL) {
1696 if (s_dkey_file == NULL)
1697 s_dkey_file = s_dcert_file;
1699 s_dkey = load_key(s_dkey_file, s_dkey_format,
1700 0, dpass, engine, "second certificate private key file");
1701 if (s_dkey == NULL) {
1702 ERR_print_errors(bio_err);
1706 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1707 "second server certificate file");
1709 if (s_dcert == NULL) {
1710 ERR_print_errors(bio_err);
1713 if (s_dchain_file != NULL) {
1714 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1715 "second server certificate chain"))
1721 if (bio_s_out == NULL) {
1722 if (s_quiet && !s_debug) {
1723 bio_s_out = BIO_new(BIO_s_null());
1724 if (s_msg && bio_s_msg == NULL)
1725 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1727 if (bio_s_out == NULL)
1728 bio_s_out = dup_bio_out(FORMAT_TEXT);
1731 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1737 s_dcert_file = NULL;
1739 s_cert_file2 = NULL;
1743 ctx = SSL_CTX_new(meth);
1745 ERR_print_errors(bio_err);
1749 ssl_ctx_security_debug(ctx, sdebug);
1751 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1752 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1754 ERR_print_errors(bio_err);
1758 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1760 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1763 if (session_id_prefix) {
1764 if (strlen(session_id_prefix) >= 32)
1766 "warning: id_prefix is too long, only one new session will be possible\n");
1767 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1768 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1769 ERR_print_errors(bio_err);
1772 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1774 SSL_CTX_set_quiet_shutdown(ctx, 1);
1776 ssl_ctx_set_excert(ctx, exc);
1779 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1781 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1783 init_session_cache_ctx(ctx);
1785 SSL_CTX_sess_set_cache_size(ctx, 128);
1788 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1791 if (max_send_fragment > 0
1792 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1793 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1794 prog, max_send_fragment);
1798 if (split_send_fragment > 0
1799 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1800 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1801 prog, split_send_fragment);
1804 if (max_pipelines > 0
1805 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1806 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1807 prog, max_pipelines);
1811 if (read_buf_len > 0) {
1812 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1814 #ifndef OPENSSL_NO_SRTP
1815 if (srtp_profiles != NULL) {
1816 /* Returns 0 on success! */
1817 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1818 BIO_printf(bio_err, "Error setting SRTP profile\n");
1819 ERR_print_errors(bio_err);
1825 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1826 ERR_print_errors(bio_err);
1829 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1830 BIO_printf(bio_err, "Error setting verify params\n");
1831 ERR_print_errors(bio_err);
1835 ssl_ctx_add_crls(ctx, crls, 0);
1836 if (!config_ctx(cctx, ssl_args, ctx))
1839 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1840 crls, crl_download)) {
1841 BIO_printf(bio_err, "Error loading store locations\n");
1842 ERR_print_errors(bio_err);
1847 ctx2 = SSL_CTX_new(meth);
1849 ERR_print_errors(bio_err);
1855 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1858 ssl_ctx_security_debug(ctx, sdebug);
1860 if (session_id_prefix) {
1861 if (strlen(session_id_prefix) >= 32)
1863 "warning: id_prefix is too long, only one new session will be possible\n");
1864 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1865 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1866 ERR_print_errors(bio_err);
1869 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1871 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1873 ssl_ctx_set_excert(ctx2, exc);
1876 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1879 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1881 init_session_cache_ctx(ctx2);
1883 SSL_CTX_sess_set_cache_size(ctx2, 128);
1886 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1888 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1890 ERR_print_errors(bio_err);
1893 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1894 BIO_printf(bio_err, "Error setting verify params\n");
1895 ERR_print_errors(bio_err);
1899 ssl_ctx_add_crls(ctx2, crls, 0);
1900 if (!config_ctx(cctx, ssl_args, ctx2))
1903 #ifndef OPENSSL_NO_NEXTPROTONEG
1904 if (next_proto.data)
1905 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1909 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1911 #ifndef OPENSSL_NO_DH
1916 dh = load_dh_param(dhfile);
1917 else if (s_cert_file != NULL)
1918 dh = load_dh_param(s_cert_file);
1921 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1923 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1925 (void)BIO_flush(bio_s_out);
1928 SSL_CTX_set_dh_auto(ctx, 1);
1929 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1930 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1931 ERR_print_errors(bio_err);
1938 DH *dh2 = load_dh_param(s_cert_file2);
1940 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1941 (void)BIO_flush(bio_s_out);
1948 SSL_CTX_set_dh_auto(ctx2, 1);
1949 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1950 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1951 ERR_print_errors(bio_err);
1960 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1963 if (s_serverinfo_file != NULL
1964 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1965 ERR_print_errors(bio_err);
1970 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1973 if (s_dcert != NULL) {
1974 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1978 if (no_resume_ephemeral) {
1979 SSL_CTX_set_not_resumable_session_callback(ctx,
1980 not_resumable_sess_cb);
1983 SSL_CTX_set_not_resumable_session_callback(ctx2,
1984 not_resumable_sess_cb);
1986 #ifndef OPENSSL_NO_PSK
1987 if (psk_key != NULL) {
1989 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1990 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1993 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1994 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1995 ERR_print_errors(bio_err);
1999 if (psksessf != NULL) {
2000 BIO *stmp = BIO_new_file(psksessf, "r");
2003 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2004 ERR_print_errors(bio_err);
2007 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2009 if (psksess == NULL) {
2010 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2011 ERR_print_errors(bio_err);
2017 if (psk_key != NULL || psksess != NULL)
2018 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2020 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2021 if (!SSL_CTX_set_session_id_context(ctx,
2022 (void *)&s_server_session_id_context,
2023 sizeof s_server_session_id_context)) {
2024 BIO_printf(bio_err, "error setting session id context\n");
2025 ERR_print_errors(bio_err);
2029 /* Set DTLS cookie generation and verification callbacks */
2030 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2031 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2034 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2035 if (!SSL_CTX_set_session_id_context(ctx2,
2036 (void *)&s_server_session_id_context,
2037 sizeof s_server_session_id_context)) {
2038 BIO_printf(bio_err, "error setting session id context\n");
2039 ERR_print_errors(bio_err);
2042 tlsextcbp.biodebug = bio_s_out;
2043 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2044 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2045 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2046 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2049 #ifndef OPENSSL_NO_SRP
2050 if (srp_verifier_file != NULL) {
2051 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2052 srp_callback_parm.user = NULL;
2053 srp_callback_parm.login = NULL;
2055 SRP_VBASE_init(srp_callback_parm.vb,
2056 srp_verifier_file)) != SRP_NO_ERROR) {
2058 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2059 srp_verifier_file, ret);
2062 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2063 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2064 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2067 if (CAfile != NULL) {
2068 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2071 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2073 #ifndef OPENSSL_NO_OCSP
2074 if (s_tlsextstatus) {
2075 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2076 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2078 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2079 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2083 if (set_keylog_file(ctx, keylog_file))
2086 if (max_early_data >= 0)
2087 SSL_CTX_set_max_early_data(ctx, max_early_data);
2089 BIO_printf(bio_s_out, "ACCEPT\n");
2090 (void)BIO_flush(bio_s_out);
2092 server_cb = rev_body;
2094 server_cb = www_body;
2096 server_cb = sv_body;
2098 if (socket_family == AF_UNIX
2099 && unlink_unix_path)
2102 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2103 server_cb, context, naccept);
2104 print_stats(bio_s_out, ctx);
2108 SSL_SESSION_free(psksess);
2109 set_keylog_file(NULL, NULL);
2111 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2113 EVP_PKEY_free(s_key);
2114 EVP_PKEY_free(s_dkey);
2115 sk_X509_pop_free(s_chain, X509_free);
2116 sk_X509_pop_free(s_dchain, X509_free);
2118 OPENSSL_free(dpass);
2121 X509_VERIFY_PARAM_free(vpm);
2123 OPENSSL_free(tlscstatp.host);
2124 OPENSSL_free(tlscstatp.port);
2125 OPENSSL_free(tlscstatp.path);
2128 EVP_PKEY_free(s_key2);
2129 #ifndef OPENSSL_NO_NEXTPROTONEG
2130 OPENSSL_free(next_proto.data);
2132 OPENSSL_free(alpn_ctx.data);
2133 ssl_excert_free(exc);
2134 sk_OPENSSL_STRING_free(ssl_args);
2135 SSL_CONF_CTX_free(cctx);
2136 release_engine(engine);
2137 BIO_free(bio_s_out);
2139 BIO_free(bio_s_msg);
2141 #ifdef CHARSET_EBCDIC
2142 BIO_meth_free(methods_ebcdic);
2147 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2149 BIO_printf(bio, "%4ld items in the session cache\n",
2150 SSL_CTX_sess_number(ssl_ctx));
2151 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2152 SSL_CTX_sess_connect(ssl_ctx));
2153 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2154 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2155 BIO_printf(bio, "%4ld client connects that finished\n",
2156 SSL_CTX_sess_connect_good(ssl_ctx));
2157 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2158 SSL_CTX_sess_accept(ssl_ctx));
2159 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2160 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2161 BIO_printf(bio, "%4ld server accepts that finished\n",
2162 SSL_CTX_sess_accept_good(ssl_ctx));
2163 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2164 BIO_printf(bio, "%4ld session cache misses\n",
2165 SSL_CTX_sess_misses(ssl_ctx));
2166 BIO_printf(bio, "%4ld session cache timeouts\n",
2167 SSL_CTX_sess_timeouts(ssl_ctx));
2168 BIO_printf(bio, "%4ld callback cache hits\n",
2169 SSL_CTX_sess_cb_hits(ssl_ctx));
2170 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2171 SSL_CTX_sess_cache_full(ssl_ctx),
2172 SSL_CTX_sess_get_cache_size(ssl_ctx));
2175 static int sv_body(int s, int stype, int prot, unsigned char *context)
2184 struct timeval timeout;
2185 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2188 struct timeval *timeoutp;
2190 #ifndef OPENSSL_NO_DTLS
2191 # ifndef OPENSSL_NO_SCTP
2192 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2194 int isdtls = (stype == SOCK_DGRAM);
2198 buf = app_malloc(bufsize, "server buffer");
2200 if (!BIO_socket_nbio(s, 1))
2201 ERR_print_errors(bio_err);
2203 BIO_printf(bio_err, "Turned on non blocking io\n");
2209 if (s_tlsextdebug) {
2210 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2211 SSL_set_tlsext_debug_arg(con, bio_s_out);
2215 && !SSL_set_session_id_context(con,
2216 context, strlen((char *)context))) {
2217 BIO_printf(bio_err, "Error setting session id context\n");
2222 if (!SSL_clear(con)) {
2223 BIO_printf(bio_err, "Error clearing SSL connection\n");
2227 #ifndef OPENSSL_NO_DTLS
2229 # ifndef OPENSSL_NO_SCTP
2230 if (prot == IPPROTO_SCTP)
2231 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2234 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2236 if (enable_timeouts) {
2238 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2239 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2242 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2243 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2247 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2248 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2249 DTLS_get_link_min_mtu(con));
2254 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2255 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2256 BIO_printf(bio_err, "Failed to set MTU\n");
2262 /* want to do MTU discovery */
2263 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2265 # ifndef OPENSSL_NO_SCTP
2266 if (prot != IPPROTO_SCTP)
2268 /* Turn on cookie exchange. Not necessary for SCTP */
2269 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2272 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2275 BIO_printf(bio_err, "Unable to create BIO\n");
2276 ERR_print_errors(bio_err);
2283 test = BIO_new(BIO_f_nbio_test());
2284 sbio = BIO_push(test, sbio);
2287 SSL_set_bio(con, sbio, sbio);
2288 SSL_set_accept_state(con);
2289 /* SSL_set_fd(con,s); */
2292 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2293 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2296 #ifndef OPENSSL_NO_SSL_TRACE
2298 SSL_set_msg_callback(con, SSL_trace);
2301 SSL_set_msg_callback(con, msg_cb);
2302 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2305 if (s_tlsextdebug) {
2306 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2307 SSL_set_tlsext_debug_arg(con, bio_s_out);
2311 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2314 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2316 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2317 if (edret != SSL_READ_EARLY_DATA_ERROR)
2320 switch (SSL_get_error(con, 0)) {
2321 case SSL_ERROR_WANT_WRITE:
2322 case SSL_ERROR_WANT_ASYNC:
2323 case SSL_ERROR_WANT_READ:
2324 /* Just keep trying - busy waiting */
2327 BIO_printf(bio_err, "Error reading early data\n");
2328 ERR_print_errors(bio_err);
2332 if (readbytes > 0) {
2334 BIO_printf(bio_s_out, "Early data received:\n");
2337 raw_write_stdout(buf, (unsigned int)readbytes);
2338 (void)BIO_flush(bio_s_out);
2342 BIO_printf(bio_s_out, "No early data received\n");
2344 BIO_printf(bio_s_out, "\nEnd of early data\n");
2345 if (SSL_is_init_finished(con))
2346 print_connection_info(con);
2349 if (fileno_stdin() > s)
2350 width = fileno_stdin() + 1;
2354 int read_from_terminal;
2355 int read_from_sslcon;
2357 read_from_terminal = 0;
2358 read_from_sslcon = SSL_has_pending(con)
2359 || (async && SSL_waiting_for_async(con));
2361 if (!read_from_sslcon) {
2363 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2364 openssl_fdset(fileno_stdin(), &readfds);
2366 openssl_fdset(s, &readfds);
2368 * Note: under VMS with SOCKETSHR the second parameter is
2369 * currently of type (int *) whereas under other systems it is
2370 * (void *) if you don't have a cast it will choke the compiler:
2371 * if you do have a cast then you can either go for (int *) or
2374 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2376 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2377 * only on sockets. As a workaround we timeout the select every
2378 * second and check for any keypress. In a proper Windows
2379 * application we wouldn't do this because it is inefficient.
2383 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2384 if (has_stdin_waiting())
2385 read_from_terminal = 1;
2386 if ((i < 0) || (!i && !read_from_terminal))
2389 if ((SSL_version(con) == DTLS1_VERSION) &&
2390 DTLSv1_get_timeout(con, &timeout))
2391 timeoutp = &timeout;
2395 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2397 if ((SSL_version(con) == DTLS1_VERSION)
2398 && DTLSv1_handle_timeout(con) > 0) {
2399 BIO_printf(bio_err, "TIMEOUT occurred\n");
2404 if (FD_ISSET(fileno_stdin(), &readfds))
2405 read_from_terminal = 1;
2407 if (FD_ISSET(s, &readfds))
2408 read_from_sslcon = 1;
2410 if (read_from_terminal) {
2414 i = raw_read_stdin(buf, bufsize / 2);
2416 /* both loops are skipped when i <= 0 */
2417 for (j = 0; j < i; j++)
2420 for (j = i - 1; j >= 0; j--) {
2421 buf[j + lf_num] = buf[j];
2422 if (buf[j] == '\n') {
2425 buf[j + lf_num] = '\r';
2428 assert(lf_num == 0);
2430 i = raw_read_stdin(buf, bufsize);
2433 if (!s_quiet && !s_brief) {
2434 if ((i <= 0) || (buf[0] == 'Q')) {
2435 BIO_printf(bio_s_out, "DONE\n");
2436 (void)BIO_flush(bio_s_out);
2438 close_accept_socket();
2442 if ((i <= 0) || (buf[0] == 'q')) {
2443 BIO_printf(bio_s_out, "DONE\n");
2444 (void)BIO_flush(bio_s_out);
2445 if (SSL_version(con) != DTLS1_VERSION)
2448 * close_accept_socket(); ret= -11;
2452 #ifndef OPENSSL_NO_HEARTBEATS
2453 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2454 BIO_printf(bio_err, "HEARTBEATING\n");
2460 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2461 SSL_renegotiate(con);
2462 i = SSL_do_handshake(con);
2463 printf("SSL_do_handshake -> %d\n", i);
2467 * strcpy(buf,"server side RE-NEGOTIATE\n");
2470 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2472 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2474 SSL_renegotiate(con);
2475 i = SSL_do_handshake(con);
2476 printf("SSL_do_handshake -> %d\n", i);
2480 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2484 if ((buf[0] == 'K' || buf[0] == 'k')
2485 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2486 SSL_key_update(con, buf[0] == 'K' ?
2487 SSL_KEY_UPDATE_REQUESTED
2488 : SSL_KEY_UPDATE_NOT_REQUESTED);
2489 i = SSL_do_handshake(con);
2490 printf("SSL_do_handshake -> %d\n", i);
2494 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2498 if (buf[0] == 'P') {
2499 static const char *str = "Lets print some clear text\n";
2500 BIO_write(SSL_get_wbio(con), str, strlen(str));
2502 if (buf[0] == 'S') {
2503 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2506 #ifdef CHARSET_EBCDIC
2507 ebcdic2ascii(buf, buf, i);
2511 /* should do a select for the write */
2514 if (++count == 100) {
2516 SSL_renegotiate(con);
2519 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2520 #ifndef OPENSSL_NO_SRP
2521 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2522 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2523 SRP_user_pwd_free(srp_callback_parm.user);
2524 srp_callback_parm.user =
2525 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2526 srp_callback_parm.login);
2527 if (srp_callback_parm.user)
2528 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2529 srp_callback_parm.user->info);
2531 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2532 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2535 switch (SSL_get_error(con, k)) {
2536 case SSL_ERROR_NONE:
2538 case SSL_ERROR_WANT_ASYNC:
2539 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2540 (void)BIO_flush(bio_s_out);
2541 wait_for_async(con);
2543 case SSL_ERROR_WANT_WRITE:
2544 case SSL_ERROR_WANT_READ:
2545 case SSL_ERROR_WANT_X509_LOOKUP:
2546 BIO_printf(bio_s_out, "Write BLOCK\n");
2547 (void)BIO_flush(bio_s_out);
2549 case SSL_ERROR_WANT_ASYNC_JOB:
2551 * This shouldn't ever happen in s_server. Treat as an error
2553 case SSL_ERROR_SYSCALL:
2555 BIO_printf(bio_s_out, "ERROR\n");
2556 (void)BIO_flush(bio_s_out);
2557 ERR_print_errors(bio_err);
2561 case SSL_ERROR_ZERO_RETURN:
2562 BIO_printf(bio_s_out, "DONE\n");
2563 (void)BIO_flush(bio_s_out);
2575 if (read_from_sslcon) {
2577 * init_ssl_connection handles all async events itself so if we're
2578 * waiting for async then we shouldn't go back into
2579 * init_ssl_connection
2581 if ((!async || !SSL_waiting_for_async(con))
2582 && !SSL_is_init_finished(con)) {
2583 i = init_ssl_connection(con);
2588 } else if (i == 0) {
2594 i = SSL_read(con, (char *)buf, bufsize);
2595 #ifndef OPENSSL_NO_SRP
2596 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2597 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2598 SRP_user_pwd_free(srp_callback_parm.user);
2599 srp_callback_parm.user =
2600 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2601 srp_callback_parm.login);
2602 if (srp_callback_parm.user)
2603 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2604 srp_callback_parm.user->info);
2606 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2607 i = SSL_read(con, (char *)buf, bufsize);
2610 switch (SSL_get_error(con, i)) {
2611 case SSL_ERROR_NONE:
2612 #ifdef CHARSET_EBCDIC
2613 ascii2ebcdic(buf, buf, i);
2615 raw_write_stdout(buf, (unsigned int)i);
2616 (void)BIO_flush(bio_s_out);
2617 if (SSL_has_pending(con))
2620 case SSL_ERROR_WANT_ASYNC:
2621 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2622 (void)BIO_flush(bio_s_out);
2623 wait_for_async(con);
2625 case SSL_ERROR_WANT_WRITE:
2626 case SSL_ERROR_WANT_READ:
2627 BIO_printf(bio_s_out, "Read BLOCK\n");
2628 (void)BIO_flush(bio_s_out);
2630 case SSL_ERROR_WANT_ASYNC_JOB:
2632 * This shouldn't ever happen in s_server. Treat as an error
2634 case SSL_ERROR_SYSCALL:
2636 BIO_printf(bio_s_out, "ERROR\n");
2637 (void)BIO_flush(bio_s_out);
2638 ERR_print_errors(bio_err);
2641 case SSL_ERROR_ZERO_RETURN:
2642 BIO_printf(bio_s_out, "DONE\n");
2643 (void)BIO_flush(bio_s_out);
2652 BIO_printf(bio_s_out, "shutting down SSL\n");
2653 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2656 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2657 OPENSSL_clear_free(buf, bufsize);
2659 BIO_printf(bio_s_out, "ACCEPT\n");
2660 (void)BIO_flush(bio_s_out);
2664 static void close_accept_socket(void)
2666 BIO_printf(bio_err, "shutdown accept socket\n");
2667 if (accept_socket >= 0) {
2668 BIO_closesocket(accept_socket);
2672 static int is_retryable(SSL *con, int i)
2674 int err = SSL_get_error(con, i);
2676 /* If it's not a fatal error, it must be retryable */
2677 return (err != SSL_ERROR_SSL)
2678 && (err != SSL_ERROR_SYSCALL)
2679 && (err != SSL_ERROR_ZERO_RETURN);
2682 static int init_ssl_connection(SSL *con)
2688 #ifndef OPENSSL_NO_DTLS
2690 BIO_ADDR *client = NULL;
2692 if ((client = BIO_ADDR_new()) == NULL) {
2693 BIO_printf(bio_err, "ERROR - memory\n");
2696 i = DTLSv1_listen(con, client);
2701 wbio = SSL_get_wbio(con);
2703 BIO_get_fd(wbio, &fd);
2706 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2707 BIO_printf(bio_err, "ERROR - unable to connect\n");
2708 BIO_ADDR_free(client);
2711 BIO_ADDR_free(client);
2713 i = SSL_accept(con);
2715 BIO_ADDR_free(client);
2721 i = SSL_accept(con);
2724 retry = is_retryable(con, i);
2725 #ifdef CERT_CB_TEST_RETRY
2728 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2729 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2731 "LOOKUP from certificate callback during accept\n");
2732 i = SSL_accept(con);
2734 retry = is_retryable(con, i);
2739 #ifndef OPENSSL_NO_SRP
2741 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2742 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2743 srp_callback_parm.login);
2744 SRP_user_pwd_free(srp_callback_parm.user);
2745 srp_callback_parm.user =
2746 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2747 srp_callback_parm.login);
2748 if (srp_callback_parm.user)
2749 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2750 srp_callback_parm.user->info);
2752 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2753 i = SSL_accept(con);
2755 retry = is_retryable(con, i);
2758 } while (i < 0 && SSL_waiting_for_async(con));
2761 if ((dtlslisten && i == 0)
2762 || (!dtlslisten && retry)) {
2763 BIO_printf(bio_s_out, "DELAY\n");
2767 BIO_printf(bio_err, "ERROR\n");
2769 verify_err = SSL_get_verify_result(con);
2770 if (verify_err != X509_V_OK) {
2771 BIO_printf(bio_err, "verify error:%s\n",
2772 X509_verify_cert_error_string(verify_err));
2774 /* Always print any error messages */
2775 ERR_print_errors(bio_err);
2779 print_connection_info(con);
2783 static void print_connection_info(SSL *con)
2788 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2789 const unsigned char *next_proto_neg;
2790 unsigned next_proto_neg_len;
2792 unsigned char *exportedkeymat;
2796 print_ssl_summary(con);
2798 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2800 peer = SSL_get_peer_certificate(con);
2802 BIO_printf(bio_s_out, "Client certificate\n");
2803 PEM_write_bio_X509(bio_s_out, peer);
2804 dump_cert_text(bio_s_out, peer);
2809 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2810 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2811 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2812 ssl_print_sigalgs(bio_s_out, con);
2813 #ifndef OPENSSL_NO_EC
2814 ssl_print_point_formats(bio_s_out, con);
2815 ssl_print_groups(bio_s_out, con, 0);
2817 print_ca_names(bio_s_out, con);
2818 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2820 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2821 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2822 if (next_proto_neg) {
2823 BIO_printf(bio_s_out, "NEXTPROTO is ");
2824 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2825 BIO_printf(bio_s_out, "\n");
2828 #ifndef OPENSSL_NO_SRTP
2830 SRTP_PROTECTION_PROFILE *srtp_profile
2831 = SSL_get_selected_srtp_profile(con);
2834 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2835 srtp_profile->name);
2838 if (SSL_session_reused(con))
2839 BIO_printf(bio_s_out, "Reused session-id\n");
2840 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2841 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2842 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2843 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2845 if (keymatexportlabel != NULL) {
2846 BIO_printf(bio_s_out, "Keying material exporter:\n");
2847 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2848 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2849 exportedkeymat = app_malloc(keymatexportlen, "export key");
2850 if (!SSL_export_keying_material(con, exportedkeymat,
2853 strlen(keymatexportlabel),
2855 BIO_printf(bio_s_out, " Error\n");
2857 BIO_printf(bio_s_out, " Keying material: ");
2858 for (i = 0; i < keymatexportlen; i++)
2859 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2860 BIO_printf(bio_s_out, "\n");
2862 OPENSSL_free(exportedkeymat);
2865 (void)BIO_flush(bio_s_out);
2868 #ifndef OPENSSL_NO_DH
2869 static DH *load_dh_param(const char *dhfile)
2874 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2876 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2883 static int www_body(int s, int stype, int prot, unsigned char *context)
2889 const SSL_CIPHER *c;
2890 BIO *io, *ssl_bio, *sbio;
2892 int total_bytes = 0;
2897 /* Set width for a select call if needed */
2900 buf = app_malloc(bufsize, "server www buffer");
2901 io = BIO_new(BIO_f_buffer());
2902 ssl_bio = BIO_new(BIO_f_ssl());
2903 if ((io == NULL) || (ssl_bio == NULL))
2907 if (!BIO_socket_nbio(s, 1))
2908 ERR_print_errors(bio_err);
2910 BIO_printf(bio_err, "Turned on non blocking io\n");
2913 /* lets make the output buffer a reasonable size */
2914 if (!BIO_set_write_buffer_size(io, bufsize))
2917 if ((con = SSL_new(ctx)) == NULL)
2920 if (s_tlsextdebug) {
2921 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2922 SSL_set_tlsext_debug_arg(con, bio_s_out);
2926 && !SSL_set_session_id_context(con, context,
2927 strlen((char *)context)))
2930 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2934 test = BIO_new(BIO_f_nbio_test());
2935 sbio = BIO_push(test, sbio);
2937 SSL_set_bio(con, sbio, sbio);
2938 SSL_set_accept_state(con);
2940 /* SSL_set_fd(con,s); */
2941 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2942 BIO_push(io, ssl_bio);
2943 #ifdef CHARSET_EBCDIC
2944 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2948 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2949 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2952 #ifndef OPENSSL_NO_SSL_TRACE
2954 SSL_set_msg_callback(con, SSL_trace);
2957 SSL_set_msg_callback(con, msg_cb);
2958 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2962 i = BIO_gets(io, buf, bufsize - 1);
2963 if (i < 0) { /* error */
2964 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2966 ERR_print_errors(bio_err);
2969 BIO_printf(bio_s_out, "read R BLOCK\n");
2970 #ifndef OPENSSL_NO_SRP
2971 if (BIO_should_io_special(io)
2972 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2973 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2974 SRP_user_pwd_free(srp_callback_parm.user);
2975 srp_callback_parm.user =
2976 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2977 srp_callback_parm.login);
2978 if (srp_callback_parm.user)
2979 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2980 srp_callback_parm.user->info);
2982 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2986 #if !defined(OPENSSL_SYS_MSDOS)
2991 } else if (i == 0) { /* end of input */
2996 /* else we have data */
2997 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2998 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3001 STACK_OF(SSL_CIPHER) *sk;
3002 static const char *space = " ";
3004 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3005 if (strncmp("GET /renegcert", buf, 14) == 0)
3007 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3009 i = SSL_renegotiate(con);
3010 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3011 /* Send the HelloRequest */
3012 i = SSL_do_handshake(con);
3014 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3015 SSL_get_error(con, i));
3016 ERR_print_errors(bio_err);
3019 /* Wait for a ClientHello to come back */
3021 openssl_fdset(s, &readfds);
3022 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3023 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3024 BIO_printf(bio_s_out,
3025 "Error waiting for client response\n");
3026 ERR_print_errors(bio_err);
3030 * We're not actually expecting any data here and we ignore
3031 * any that is sent. This is just to force the handshake that
3032 * we're expecting to come from the client. If they haven't
3033 * sent one there's not much we can do.
3035 BIO_gets(io, buf, bufsize - 1);
3039 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3040 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3041 BIO_puts(io, "<pre>\n");
3042 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3044 for (i = 0; i < local_argc; i++) {
3046 for (myp = local_argv[i]; *myp; myp++)
3049 BIO_puts(io, "<");
3052 BIO_puts(io, ">");
3055 BIO_puts(io, "&");
3058 BIO_write(io, myp, 1);
3061 BIO_write(io, " ", 1);
3066 "Secure Renegotiation IS%s supported\n",
3067 SSL_get_secure_renegotiation_support(con) ?
3071 * The following is evil and should not really be done
3073 BIO_printf(io, "Ciphers supported in s_server binary\n");
3074 sk = SSL_get_ciphers(con);
3075 j = sk_SSL_CIPHER_num(sk);
3076 for (i = 0; i < j; i++) {
3077 c = sk_SSL_CIPHER_value(sk, i);
3078 BIO_printf(io, "%-11s:%-25s ",
3079 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3080 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3084 p = SSL_get_shared_ciphers(con, buf, bufsize);
3087 "---\nCiphers common between both SSL end points:\n");
3091 BIO_write(io, space, 26 - j);
3094 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3096 BIO_write(io, p, 1);
3103 ssl_print_sigalgs(io, con);
3104 #ifndef OPENSSL_NO_EC
3105 ssl_print_groups(io, con, 0);
3107 print_ca_names(io, con);
3108 BIO_printf(io, (SSL_session_reused(con)
3109 ? "---\nReused, " : "---\nNew, "));
3110 c = SSL_get_current_cipher(con);
3111 BIO_printf(io, "%s, Cipher is %s\n",
3112 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3113 SSL_SESSION_print(io, SSL_get_session(con));
3114 BIO_printf(io, "---\n");
3115 print_stats(io, SSL_get_SSL_CTX(con));
3116 BIO_printf(io, "---\n");
3117 peer = SSL_get_peer_certificate(con);
3119 BIO_printf(io, "Client certificate\n");
3120 X509_print(io, peer);
3121 PEM_write_bio_X509(io, peer);
3125 BIO_puts(io, "no client certificate available\n");
3127 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3129 } else if ((www == 2 || www == 3)
3130 && (strncmp("GET /", buf, 5) == 0)) {
3133 static const char *text =
3134 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3140 for (e = p; *e != '\0'; e++) {
3146 dot = (e[0] == '.') ? 2 : 0;
3149 dot = (e[0] == '.') ? 3 : 0;
3152 dot = (e[0] == '/') ? -1 : 0;
3156 dot = (e[0] == '/') ? 1 : 0;
3158 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3163 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3170 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3176 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3180 /* if a directory, do the index thang */
3181 if (app_isdir(p) > 0) {
3183 BIO_printf(io, "'%s' is a directory\r\n", p);
3187 if ((file = BIO_new_file(p, "r")) == NULL) {
3189 BIO_printf(io, "Error opening '%s'\r\n", p);
3190 ERR_print_errors(io);
3195 BIO_printf(bio_err, "FILE:%s\n", p);
3199 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3200 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3201 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3203 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3206 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3210 i = BIO_read(file, buf, bufsize);
3216 BIO_printf(bio_err, "%d\n", i);
3217 if (total_bytes > 3 * 1024) {
3219 BIO_printf(bio_err, "RENEGOTIATE\n");
3220 SSL_renegotiate(con);
3224 for (j = 0; j < i;) {
3227 if (++count == 13) {
3228 SSL_renegotiate(con);
3231 k = BIO_write(io, &(buf[j]), i - j);
3233 if (!BIO_should_retry(io)
3234 && !SSL_waiting_for_async(con))
3237 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3251 i = (int)BIO_flush(io);
3253 if (!BIO_should_retry(io))
3259 /* make sure we re-use sessions */
3260 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3264 BIO_printf(bio_s_out, "ACCEPT\n");
3270 static int rev_body(int s, int stype, int prot, unsigned char *context)
3276 BIO *io, *ssl_bio, *sbio;
3278 buf = app_malloc(bufsize, "server rev buffer");
3279 io = BIO_new(BIO_f_buffer());
3280 ssl_bio = BIO_new(BIO_f_ssl());
3281 if ((io == NULL) || (ssl_bio == NULL))
3284 /* lets make the output buffer a reasonable size */
3285 if (!BIO_set_write_buffer_size(io, bufsize))
3288 if ((con = SSL_new(ctx)) == NULL)
3291 if (s_tlsextdebug) {
3292 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3293 SSL_set_tlsext_debug_arg(con, bio_s_out);
3296 && !SSL_set_session_id_context(con, context,
3297 strlen((char *)context))) {
3298 ERR_print_errors(bio_err);
3302 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3303 SSL_set_bio(con, sbio, sbio);
3304 SSL_set_accept_state(con);
3306 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3307 BIO_push(io, ssl_bio);
3308 #ifdef CHARSET_EBCDIC
3309 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3313 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3314 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3317 #ifndef OPENSSL_NO_SSL_TRACE
3319 SSL_set_msg_callback(con, SSL_trace);
3322 SSL_set_msg_callback(con, msg_cb);
3323 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3327 i = BIO_do_handshake(io);
3330 if (!BIO_should_retry(io)) {
3331 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3332 ERR_print_errors(bio_err);
3335 #ifndef OPENSSL_NO_SRP
3336 if (BIO_should_io_special(io)
3337 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3338 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3339 SRP_user_pwd_free(srp_callback_parm.user);
3340 srp_callback_parm.user =
3341 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3342 srp_callback_parm.login);
3343 if (srp_callback_parm.user)
3344 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3345 srp_callback_parm.user->info);
3347 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3352 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3353 print_ssl_summary(con);
3356 i = BIO_gets(io, buf, bufsize - 1);
3357 if (i < 0) { /* error */
3358 if (!BIO_should_retry(io)) {
3360 ERR_print_errors(bio_err);
3363 BIO_printf(bio_s_out, "read R BLOCK\n");
3364 #ifndef OPENSSL_NO_SRP
3365 if (BIO_should_io_special(io)
3366 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3367 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3368 SRP_user_pwd_free(srp_callback_parm.user);
3369 srp_callback_parm.user =
3370 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3371 srp_callback_parm.login);
3372 if (srp_callback_parm.user)
3373 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3374 srp_callback_parm.user->info);
3376 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3380 #if !defined(OPENSSL_SYS_MSDOS)
3385 } else if (i == 0) { /* end of input */
3387 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3390 char *p = buf + i - 1;
3391 while (i && (*p == '\n' || *p == '\r')) {
3395 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3397 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3400 BUF_reverse((unsigned char *)buf, NULL, i);
3402 BIO_write(io, buf, i + 1);
3407 if (!BIO_should_retry(io))
3413 /* make sure we re-use sessions */
3414 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3423 #define MAX_SESSION_ID_ATTEMPTS 10
3424 static int generate_session_id(SSL *ssl, unsigned char *id,
3425 unsigned int *id_len)
3427 unsigned int count = 0;
3429 if (RAND_bytes(id, *id_len) <= 0)
3432 * Prefix the session_id with the required prefix. NB: If our prefix
3433 * is too long, clip it - but there will be worse effects anyway, eg.
3434 * the server could only possibly create 1 session ID (ie. the
3435 * prefix!) so all future session negotiations will fail due to
3438 memcpy(id, session_id_prefix,
3439 (strlen(session_id_prefix) < *id_len) ?
3440 strlen(session_id_prefix) : *id_len);
3442 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3443 (++count < MAX_SESSION_ID_ATTEMPTS));
3444 if (count >= MAX_SESSION_ID_ATTEMPTS)
3450 * By default s_server uses an in-memory cache which caches SSL_SESSION
3451 * structures without any serialisation. This hides some bugs which only
3452 * become apparent in deployed servers. By implementing a basic external
3453 * session cache some issues can be debugged using s_server.
3456 typedef struct simple_ssl_session_st {
3461 struct simple_ssl_session_st *next;
3462 } simple_ssl_session;
3464 static simple_ssl_session *first = NULL;
3466 static int add_session(SSL *ssl, SSL_SESSION *session)
3468 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3471 SSL_SESSION_get_id(session, &sess->idlen);
3472 sess->derlen = i2d_SSL_SESSION(session, NULL);
3473 if (sess->derlen < 0) {
3474 BIO_printf(bio_err, "Error encoding session\n");
3479 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3480 sess->der = app_malloc(sess->derlen, "get session buffer");
3482 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3483 OPENSSL_free(sess->id);
3484 OPENSSL_free(sess->der);
3490 /* Assume it still works. */
3491 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3492 BIO_printf(bio_err, "Unexpected session encoding length\n");
3493 OPENSSL_free(sess->id);
3494 OPENSSL_free(sess->der);
3501 BIO_printf(bio_err, "New session added to external cache\n");
3505 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3508 simple_ssl_session *sess;
3510 for (sess = first; sess; sess = sess->next) {
3511 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3512 const unsigned char *p = sess->der;
3513 BIO_printf(bio_err, "Lookup session: cache hit\n");
3514 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3517 BIO_printf(bio_err, "Lookup session: cache miss\n");
3521 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3523 simple_ssl_session *sess, *prev = NULL;
3524 const unsigned char *id;
3526 id = SSL_SESSION_get_id(session, &idlen);
3527 for (sess = first; sess; sess = sess->next) {
3528 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3530 prev->next = sess->next;
3533 OPENSSL_free(sess->id);
3534 OPENSSL_free(sess->der);
3542 static void init_session_cache_ctx(SSL_CTX *sctx)
3544 SSL_CTX_set_session_cache_mode(sctx,
3545 SSL_SESS_CACHE_NO_INTERNAL |
3546 SSL_SESS_CACHE_SERVER);
3547 SSL_CTX_sess_set_new_cb(sctx, add_session);
3548 SSL_CTX_sess_set_get_cb(sctx, get_session);
3549 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3552 static void free_sessions(void)
3554 simple_ssl_session *sess, *tsess;
3555 for (sess = first; sess;) {
3556 OPENSSL_free(sess->id);
3557 OPENSSL_free(sess->der);
3560 OPENSSL_free(tsess);
3565 #endif /* OPENSSL_NO_SOCK */