2 * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 #include <sys/types.h>
32 #include <sys/socket.h>
34 #include <netinet/in.h>
35 #include <arpa/inet.h>
43 host_bind(const char *host
, const char *port
, int verbose
)
45 struct addrinfo hints
, *si
, *p
;
49 memset(&hints
, 0, sizeof hints
);
50 hints
.ai_family
= PF_UNSPEC
;
51 hints
.ai_socktype
= SOCK_STREAM
;
52 err
= getaddrinfo(host
, port
, &hints
, &si
);
54 fprintf(stderr
, "ERROR: getaddrinfo(): %s\n",
59 for (p
= si
; p
!= NULL
; p
= p
->ai_next
) {
61 struct sockaddr_in sa4
;
62 struct sockaddr_in6 sa6
;
67 sa
= (struct sockaddr
*)p
->ai_addr
;
68 if (sa
->sa_family
== AF_INET
) {
69 sa4
= *(struct sockaddr_in
*)sa
;
70 sa
= (struct sockaddr
*)&sa4
;
74 sa4
.sin_addr
.s_addr
= INADDR_ANY
;
76 } else if (sa
->sa_family
== AF_INET6
) {
77 sa6
= *(struct sockaddr_in6
*)sa
;
78 sa
= (struct sockaddr
*)&sa6
;
80 addr
= &sa6
.sin6_addr
;
82 sa6
.sin6_addr
= in6addr_any
;
86 sa_len
= p
->ai_addrlen
;
89 char tmp
[INET6_ADDRSTRLEN
+ 50];
92 if (!inet_ntop(p
->ai_family
, addr
,
95 strcpy(tmp
, "<invalid>");
98 sprintf(tmp
, "<unknown family: %d>",
101 fprintf(stderr
, "binding to: %s\n", tmp
);
103 fd
= socket(p
->ai_family
, p
->ai_socktype
, p
->ai_protocol
);
111 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, &opt
, sizeof opt
);
113 setsockopt(fd
, IPPROTO_IPV6
, IPV6_V6ONLY
, &opt
, sizeof opt
);
114 if (bind(fd
, sa
, sa_len
) < 0) {
125 fprintf(stderr
, "ERROR: failed to bind\n");
129 if (listen(fd
, 5) < 0) {
137 fprintf(stderr
, "bound.\n");
143 accept_client(int server_fd
, int verbose
)
150 fd
= accept(server_fd
, &sa
, &sa_len
);
158 char tmp
[INET6_ADDRSTRLEN
+ 50];
162 switch (sa
.sa_family
) {
164 name
= inet_ntop(AF_INET
,
165 &((struct sockaddr_in
*)&sa
)->sin_addr
,
169 name
= inet_ntop(AF_INET6
,
170 &((struct sockaddr_in6
*)&sa
)->sin6_addr
,
175 sprintf(tmp
, "<unknown: %lu>",
176 (unsigned long)sa
.sa_family
);
179 fprintf(stderr
, "accepting connection from: %s\n", name
);
183 * We make the socket non-blocking, since we are going to use
184 * poll() to organise I/O.
186 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
194 "usage: brssl server [ options ]\n");
198 " -q suppress verbose messages\n");
200 " -trace activate extra debug messages (dump of all packets)\n");
202 " -b name bind to a specific address or host name\n");
204 " -p port bind to a specific port (default: 4433)\n");
206 " -mono use monodirectional buffering\n");
208 " -buf length set the I/O buffer length (in bytes)\n");
210 " -cache length set the session cache storage length (in bytes)\n");
212 " -cert fname read certificate chain from file 'fname'\n");
214 " -key fname read private key from file 'fname'\n");
216 " -list list supported names (protocols, algorithms...)\n");
218 " -vmin name set minimum supported version (default: TLS-1.0)\n");
220 " -vmax name set maximum supported version (default: TLS-1.2)\n");
222 " -cs names set list of supported cipher suites (comma-separated)\n");
224 " -hf names add support for some hash functions (comma-separated)\n");
226 " -serverpref enforce server's preferences for cipher suites\n");
231 const br_ssl_server_policy_class
*vtable
;
233 br_x509_certificate
*chain
;
235 int cert_signer_algo
;
240 get_cert_signer_algo(br_x509_certificate
*xc
)
242 br_x509_decoder_context dc
;
245 br_x509_decoder_init(&dc
, 0, 0);
246 br_x509_decoder_push(&dc
, xc
->data
, xc
->data_len
);
247 err
= br_x509_decoder_last_error(&dc
);
251 return br_x509_decoder_get_signer_key_type(&dc
);
256 sp_choose(const br_ssl_server_policy_class
**pctx
,
257 const br_ssl_server_context
*cc
,
258 br_ssl_server_choices
*choices
)
261 const br_suite_translated
*st
;
266 pc
= (policy_context
*)pctx
;
267 st
= br_ssl_server_get_client_suites(cc
, &st_num
);
268 chashes
= br_ssl_server_get_client_hashes(cc
);
269 for (hash_id
= 6; hash_id
>= 2; hash_id
--) {
270 if ((chashes
>> hash_id
) & 1) {
275 fprintf(stderr
, "Client parameters:\n");
276 fprintf(stderr
, " Maximum version: ");
277 switch (cc
->client_max_version
) {
279 fprintf(stderr
, "SSL 3.0");
282 fprintf(stderr
, "TLS 1.0");
285 fprintf(stderr
, "TLS 1.1");
288 fprintf(stderr
, "TLS 1.2");
291 fprintf(stderr
, "unknown (0x%04X)",
292 (unsigned)cc
->client_max_version
);
295 fprintf(stderr
, "\n");
296 fprintf(stderr
, " Compatible cipher suites:\n");
297 for (u
= 0; u
< st_num
; u
++) {
300 get_suite_name_ext(st
[u
][0], csn
, sizeof csn
);
301 fprintf(stderr
, " %s\n", csn
);
303 fprintf(stderr
, " Common hash functions:");
304 for (u
= 2; u
<= 6; u
++) {
305 if ((chashes
>> u
) & 1) {
309 case 3: z
= 224; break;
310 case 4: z
= 256; break;
311 case 5: z
= 384; break;
312 case 6: z
= 512; break;
317 fprintf(stderr
, " sha%d", z
);
320 fprintf(stderr
, "\n");
322 for (u
= 0; u
< st_num
; u
++) {
328 if (pc
->sk
->key_type
== BR_KEYTYPE_RSA
) {
329 choices
->cipher_suite
= st
[u
][0];
333 case BR_SSLKEYX_ECDHE_RSA
:
334 if (pc
->sk
->key_type
== BR_KEYTYPE_RSA
) {
335 choices
->cipher_suite
= st
[u
][0];
336 if (cc
->eng
.session
.version
< BR_TLS12
) {
339 choices
->hash_id
= hash_id
;
343 case BR_SSLKEYX_ECDHE_ECDSA
:
344 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
) {
345 choices
->cipher_suite
= st
[u
][0];
346 if (cc
->eng
.session
.version
< BR_TLS12
) {
347 hash_id
= br_sha1_ID
;
349 choices
->hash_id
= hash_id
;
353 case BR_SSLKEYX_ECDH_RSA
:
354 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
355 && pc
->cert_signer_algo
== BR_KEYTYPE_RSA
)
357 choices
->cipher_suite
= st
[u
][0];
361 case BR_SSLKEYX_ECDH_ECDSA
:
362 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
363 && pc
->cert_signer_algo
== BR_KEYTYPE_EC
)
365 choices
->cipher_suite
= st
[u
][0];
374 choices
->chain
= pc
->chain
;
375 choices
->chain_len
= pc
->chain_len
;
379 get_suite_name_ext(choices
->cipher_suite
, csn
, sizeof csn
);
380 fprintf(stderr
, "Using: %s\n", csn
);
386 sp_do_keyx(const br_ssl_server_policy_class
**pctx
,
387 unsigned char *data
, size_t len
)
391 pc
= (policy_context
*)pctx
;
392 switch (pc
->sk
->key_type
) {
394 return br_rsa_ssl_decrypt(
395 &br_rsa_i31_private
, &pc
->sk
->key
.rsa
,
398 return br_ec_prime_i31
.mul(data
, len
, pc
->sk
->key
.ec
.x
,
399 pc
->sk
->key
.ec
.xlen
, pc
->sk
->key
.ec
.curve
);
401 fprintf(stderr
, "ERROR: unknown private key type (%d)\n",
402 (int)pc
->sk
->key_type
);
408 * OID for hash functions in RSA signatures.
410 static const unsigned char HASH_OID_SHA1
[] = {
411 0x05, 0x2B, 0x0E, 0x03, 0x02, 0x1A
414 static const unsigned char HASH_OID_SHA224
[] = {
415 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04
418 static const unsigned char HASH_OID_SHA256
[] = {
419 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01
422 static const unsigned char HASH_OID_SHA384
[] = {
423 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02
426 static const unsigned char HASH_OID_SHA512
[] = {
427 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03
430 static const unsigned char *HASH_OID
[] = {
438 static const br_hash_class
*
439 get_hash_impl(int hash_id
)
443 for (u
= 0; hash_functions
[u
].name
; u
++) {
444 const br_hash_class
*hc
;
447 hc
= hash_functions
[u
].hclass
;
448 id
= (hc
->desc
>> BR_HASHDESC_ID_OFF
) & BR_HASHDESC_ID_MASK
;
457 sp_do_sign(const br_ssl_server_policy_class
**pctx
,
458 int hash_id
, size_t hv_len
, unsigned char *data
, size_t len
)
461 unsigned char hv
[64];
463 pc
= (policy_context
*)pctx
;
464 memcpy(hv
, data
, hv_len
);
465 switch (pc
->sk
->key_type
) {
468 const unsigned char *hash_oid
;
469 const br_hash_class
*hc
;
474 } else if (hash_id
>= 2 && hash_id
<= 6) {
475 hash_oid
= HASH_OID
[hash_id
- 2];
478 fprintf(stderr
, "ERROR: cannot RSA-sign with"
479 " unknown hash function: %d\n",
484 sig_len
= (pc
->sk
->key
.rsa
.n_bitlen
+ 7) >> 3;
487 fprintf(stderr
, "ERROR: cannot RSA-sign,"
488 " buffer is too small"
489 " (sig=%lu, buf=%lu)\n",
490 (unsigned long)sig_len
,
495 x
= br_rsa_i31_pkcs1_sign(hash_oid
, hv
, hv_len
,
496 &pc
->sk
->key
.rsa
, data
);
499 fprintf(stderr
, "ERROR: RSA-sign failure\n");
506 hc
= get_hash_impl(hash_id
);
509 fprintf(stderr
, "ERROR: cannot RSA-sign with"
510 " unknown hash function: %d\n",
517 fprintf(stderr
, "ERROR: cannot ECDSA-sign"
518 " (output buffer = %lu)\n",
523 sig_len
= br_ecdsa_i31_sign_asn1(&br_ec_prime_i31
,
524 hc
, hv
, &pc
->sk
->key
.ec
, data
);
527 fprintf(stderr
, "ERROR: ECDSA-sign failure\n");
538 static const br_ssl_server_policy_class policy_vtable
= {
539 sizeof(policy_context
),
547 do_server(int argc
, char *argv
[])
553 const char *bind_name
;
556 cipher_suite
*suites
;
560 br_x509_certificate
*chain
;
562 int cert_signer_algo
;
565 br_ssl_server_context cc
;
567 br_ssl_session_cache_lru lru
;
568 unsigned char *iobuf
, *cache
;
569 size_t iobuf_len
, cache_len
;
591 cache_len
= (size_t)-1;
595 for (i
= 0; i
< argc
; i
++) {
601 goto server_exit_error
;
603 if (eqstr(arg
, "-v") || eqstr(arg
, "-verbose")) {
605 } else if (eqstr(arg
, "-q") || eqstr(arg
, "-quiet")) {
607 } else if (eqstr(arg
, "-trace")) {
609 } else if (eqstr(arg
, "-b")) {
612 "ERROR: no argument for '-b'\n");
614 goto server_exit_error
;
616 if (bind_name
!= NULL
) {
617 fprintf(stderr
, "ERROR: duplicate bind host\n");
619 goto server_exit_error
;
622 } else if (eqstr(arg
, "-p")) {
625 "ERROR: no argument for '-p'\n");
627 goto server_exit_error
;
630 fprintf(stderr
, "ERROR: duplicate bind port\n");
632 goto server_exit_error
;
635 } else if (eqstr(arg
, "-mono")) {
637 } else if (eqstr(arg
, "-buf")) {
640 "ERROR: no argument for '-buf'\n");
642 goto server_exit_error
;
645 if (iobuf_len
!= 0) {
647 "ERROR: duplicate I/O buffer length\n");
649 goto server_exit_error
;
651 iobuf_len
= parse_size(arg
);
652 if (iobuf_len
== (size_t)-1) {
654 goto server_exit_error
;
656 } else if (eqstr(arg
, "-cache")) {
659 "ERROR: no argument for '-cache'\n");
661 goto server_exit_error
;
664 if (cache_len
!= (size_t)-1) {
665 fprintf(stderr
, "ERROR: duplicate session"
668 goto server_exit_error
;
670 cache_len
= parse_size(arg
);
671 if (cache_len
== (size_t)-1) {
673 goto server_exit_error
;
675 } else if (eqstr(arg
, "-cert")) {
678 "ERROR: no argument for '-cert'\n");
680 goto server_exit_error
;
684 "ERROR: duplicate certificate chain\n");
686 goto server_exit_error
;
689 chain
= read_certificates(arg
, &chain_len
);
690 if (chain
== NULL
|| chain_len
== 0) {
691 goto server_exit_error
;
693 } else if (eqstr(arg
, "-key")) {
696 "ERROR: no argument for '-key'\n");
698 goto server_exit_error
;
702 "ERROR: duplicate private key\n");
704 goto server_exit_error
;
707 sk
= read_private_key(arg
);
709 goto server_exit_error
;
711 } else if (eqstr(arg
, "-list")) {
714 } else if (eqstr(arg
, "-vmin")) {
717 "ERROR: no argument for '-vmin'\n");
719 goto server_exit_error
;
724 "ERROR: duplicate minimum version\n");
726 goto server_exit_error
;
728 vmin
= parse_version(arg
, strlen(arg
));
731 "ERROR: unrecognised version '%s'\n",
734 goto server_exit_error
;
736 } else if (eqstr(arg
, "-vmax")) {
739 "ERROR: no argument for '-vmax'\n");
741 goto server_exit_error
;
746 "ERROR: duplicate maximum version\n");
748 goto server_exit_error
;
750 vmax
= parse_version(arg
, strlen(arg
));
753 "ERROR: unrecognised version '%s'\n",
756 goto server_exit_error
;
758 } else if (eqstr(arg
, "-cs")) {
761 "ERROR: no argument for '-cs'\n");
763 goto server_exit_error
;
766 if (suites
!= NULL
) {
767 fprintf(stderr
, "ERROR: duplicate list"
768 " of cipher suites\n");
770 goto server_exit_error
;
772 suites
= parse_suites(arg
, &num_suites
);
773 if (suites
== NULL
) {
775 goto server_exit_error
;
777 } else if (eqstr(arg
, "-hf")) {
782 "ERROR: no argument for '-hf'\n");
784 goto server_exit_error
;
787 x
= parse_hash_functions(arg
);
790 goto server_exit_error
;
793 } else if (eqstr(arg
, "-serverpref")) {
794 flags
|= BR_OPT_ENFORCE_SERVER_PREFERENCES
;
796 fprintf(stderr
, "ERROR: unknown option: '%s'\n", arg
);
798 goto server_exit_error
;
811 fprintf(stderr
, "ERROR: impossible minimum/maximum protocol"
812 " version combination\n");
814 goto server_exit_error
;
816 if (suites
== NULL
) {
819 for (u
= 0; cipher_suites
[u
].name
; u
++) {
820 if ((cipher_suites
[u
].req
& REQ_TLS12
) == 0
826 suites
= xmalloc(num_suites
* sizeof *suites
);
828 for (u
= 0; cipher_suites
[u
].name
; u
++) {
829 if ((cipher_suites
[u
].req
& REQ_TLS12
) == 0
832 suites
[num_suites
++] = cipher_suites
[u
];
837 hfuns
= (unsigned)-1;
839 if (chain
== NULL
|| chain_len
== 0) {
840 fprintf(stderr
, "ERROR: no certificate chain provided\n");
841 goto server_exit_error
;
844 fprintf(stderr
, "ERROR: no private key provided\n");
845 goto server_exit_error
;
847 switch (sk
->key_type
) {
854 curve
= sk
->key
.ec
.curve
;
855 supp
= br_ec_prime_i31
.supported_curves
;
856 if (curve
> 31 || !((supp
>> curve
) & 1)) {
857 fprintf(stderr
, "ERROR: private key curve (%d)"
858 " is not supported\n", curve
);
859 goto server_exit_error
;
863 fprintf(stderr
, "ERROR: unsupported private key type (%d)\n",
867 cert_signer_algo
= get_cert_signer_algo(chain
);
868 if (cert_signer_algo
< 0) {
869 fprintf(stderr
, "ERROR: server certificate cannot be"
870 " decoded (err=%d)\n", -cert_signer_algo
);
871 goto server_exit_error
;
872 } else if (verbose
) {
875 switch (cert_signer_algo
) {
876 case BR_KEYTYPE_RSA
: csas
= "RSA"; break;
877 case BR_KEYTYPE_EC
: csas
= "EC"; break;
882 fprintf(stderr
, "Issuing CA key type: %d (%s)\n",
883 cert_signer_algo
, csas
);
885 if (iobuf_len
== 0) {
887 iobuf_len
= BR_SSL_BUFSIZE_BIDI
;
889 iobuf_len
= BR_SSL_BUFSIZE_MONO
;
892 iobuf
= xmalloc(iobuf_len
);
893 if (cache_len
== (size_t)-1) {
896 cache
= xmalloc(cache_len
);
899 * Compute implementation requirements and inject implementations.
901 suite_ids
= xmalloc(num_suites
* sizeof *suite_ids
);
902 br_ssl_server_zero(&cc
);
903 br_ssl_engine_set_versions(&cc
.eng
, vmin
, vmax
);
904 br_ssl_server_set_all_flags(&cc
, flags
);
905 if (vmin
<= BR_TLS11
) {
906 if (!(hfuns
& (1 << br_md5_ID
))) {
907 fprintf(stderr
, "ERROR: TLS 1.0 and 1.1 need MD5\n");
908 goto server_exit_error
;
910 if (!(hfuns
& (1 << br_sha1_ID
))) {
911 fprintf(stderr
, "ERROR: TLS 1.0 and 1.1 need SHA-1\n");
912 goto server_exit_error
;
915 for (u
= 0; u
< num_suites
; u
++) {
919 suite_ids
[u
] = suites
[u
].suite
;
920 if ((req
& REQ_TLS12
) != 0 && vmax
< BR_TLS12
) {
922 "ERROR: cipher suite %s requires TLS 1.2\n",
924 goto server_exit_error
;
926 if ((req
& REQ_SHA1
) != 0 && !(hfuns
& (1 << br_sha1_ID
))) {
928 "ERROR: cipher suite %s requires SHA-1\n",
930 goto server_exit_error
;
932 if ((req
& REQ_SHA256
) != 0 && !(hfuns
& (1 << br_sha256_ID
))) {
934 "ERROR: cipher suite %s requires SHA-256\n",
936 goto server_exit_error
;
938 if ((req
& REQ_SHA384
) != 0 && !(hfuns
& (1 << br_sha384_ID
))) {
940 "ERROR: cipher suite %s requires SHA-384\n",
942 goto server_exit_error
;
944 /* TODO: algorithm implementation selection */
945 if ((req
& REQ_AESCBC
) != 0) {
946 br_ssl_engine_set_aes_cbc(&cc
.eng
,
947 &br_aes_ct_cbcenc_vtable
,
948 &br_aes_ct_cbcdec_vtable
);
949 br_ssl_engine_set_cbc(&cc
.eng
,
950 &br_sslrec_in_cbc_vtable
,
951 &br_sslrec_out_cbc_vtable
);
953 if ((req
& REQ_AESGCM
) != 0) {
954 br_ssl_engine_set_aes_ctr(&cc
.eng
,
955 &br_aes_ct_ctr_vtable
);
956 br_ssl_engine_set_ghash(&cc
.eng
,
958 br_ssl_engine_set_gcm(&cc
.eng
,
959 &br_sslrec_in_gcm_vtable
,
960 &br_sslrec_out_gcm_vtable
);
962 if ((req
& REQ_3DESCBC
) != 0) {
963 br_ssl_engine_set_des_cbc(&cc
.eng
,
964 &br_des_ct_cbcenc_vtable
,
965 &br_des_ct_cbcdec_vtable
);
966 br_ssl_engine_set_cbc(&cc
.eng
,
967 &br_sslrec_in_cbc_vtable
,
968 &br_sslrec_out_cbc_vtable
);
970 if ((req
& (REQ_ECDHE_RSA
| REQ_ECDHE_ECDSA
)) != 0) {
971 br_ssl_engine_set_ec(&cc
.eng
, &br_ec_prime_i31
);
974 br_ssl_engine_set_suites(&cc
.eng
, suite_ids
, num_suites
);
976 for (u
= 0; hash_functions
[u
].name
; u
++) {
977 const br_hash_class
*hc
;
980 hc
= hash_functions
[u
].hclass
;
981 id
= (hc
->desc
>> BR_HASHDESC_ID_OFF
) & BR_HASHDESC_ID_MASK
;
982 if ((hfuns
& ((unsigned)1 << id
)) != 0) {
983 br_ssl_engine_set_hash(&cc
.eng
, id
, hc
);
986 if (vmin
<= BR_TLS11
) {
987 br_ssl_engine_set_prf10(&cc
.eng
, &br_tls10_prf
);
989 if (vmax
>= BR_TLS12
) {
990 if ((hfuns
& ((unsigned)1 << br_sha256_ID
)) != 0) {
991 br_ssl_engine_set_prf_sha256(&cc
.eng
,
992 &br_tls12_sha256_prf
);
994 if ((hfuns
& ((unsigned)1 << br_sha384_ID
)) != 0) {
995 br_ssl_engine_set_prf_sha384(&cc
.eng
,
996 &br_tls12_sha384_prf
);
1000 br_ssl_session_cache_lru_init(&lru
, cache
, cache_len
);
1001 br_ssl_server_set_cache(&cc
, &lru
.vtable
);
1003 pc
.vtable
= &policy_vtable
;
1004 pc
.verbose
= verbose
;
1006 pc
.chain_len
= chain_len
;
1007 pc
.cert_signer_algo
= cert_signer_algo
;
1009 br_ssl_server_set_policy(&cc
, &pc
.vtable
);
1011 br_ssl_engine_set_buffer(&cc
.eng
, iobuf
, iobuf_len
, bidi
);
1014 * Open the server socket.
1016 server_fd
= host_bind(bind_name
, port
, verbose
);
1017 if (server_fd
< 0) {
1018 goto server_exit_error
;
1022 * Process incoming clients, one at a time. Note that we do not
1023 * accept any client until the previous connection has finished:
1024 * this is voluntary, since the tool uses stdin/stdout for
1025 * application data, and thus cannot really run two connections
1031 fd
= accept_client(server_fd
, verbose
);
1033 goto server_exit_error
;
1035 br_ssl_server_reset(&cc
);
1036 x
= run_ssl_engine(&cc
.eng
, fd
,
1037 (verbose
? RUN_ENGINE_VERBOSE
: 0)
1038 | (trace
? RUN_ENGINE_TRACE
: 0));
1042 goto server_exit_error
;
1047 * Release allocated structures.
1052 if (chain
!= NULL
) {
1053 for (u
= 0; u
< chain_len
; u
++) {
1054 xfree(chain
[u
].data
);
1058 free_private_key(sk
);