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>
44 host_bind(const char *host
, const char *port
, int verbose
)
46 struct addrinfo hints
, *si
, *p
;
50 memset(&hints
, 0, sizeof hints
);
51 hints
.ai_family
= PF_UNSPEC
;
52 hints
.ai_socktype
= SOCK_STREAM
;
53 err
= getaddrinfo(host
, port
, &hints
, &si
);
55 fprintf(stderr
, "ERROR: getaddrinfo(): %s\n",
60 for (p
= si
; p
!= NULL
; p
= p
->ai_next
) {
62 struct sockaddr_in sa4
;
63 struct sockaddr_in6 sa6
;
66 char tmp
[INET6_ADDRSTRLEN
+ 50];
69 sa
= (struct sockaddr
*)p
->ai_addr
;
70 if (sa
->sa_family
== AF_INET
) {
71 sa4
= *(struct sockaddr_in
*)sa
;
72 sa
= (struct sockaddr
*)&sa4
;
76 sa4
.sin_addr
.s_addr
= INADDR_ANY
;
78 } else if (sa
->sa_family
== AF_INET6
) {
79 sa6
= *(struct sockaddr_in6
*)sa
;
80 sa
= (struct sockaddr
*)&sa6
;
82 addr
= &sa6
.sin6_addr
;
84 sa6
.sin6_addr
= in6addr_any
;
88 sa_len
= p
->ai_addrlen
;
91 inet_ntop(p
->ai_family
, addr
, tmp
, sizeof tmp
);
93 sprintf(tmp
, "<unknown family: %d>",
97 fprintf(stderr
, "binding to: %s\n", tmp
);
99 fd
= socket(p
->ai_family
, p
->ai_socktype
, p
->ai_protocol
);
107 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, &opt
, sizeof opt
);
109 setsockopt(fd
, IPPROTO_IPV6
, IPV6_V6ONLY
, &opt
, sizeof opt
);
110 if (bind(fd
, sa
, sa_len
) < 0) {
121 fprintf(stderr
, "ERROR: failed to bind\n");
125 if (listen(fd
, 5) < 0) {
133 fprintf(stderr
, "bound.\n");
139 accept_client(int server_fd
, int verbose
)
146 fd
= accept(server_fd
, &sa
, &sa_len
);
154 char tmp
[INET6_ADDRSTRLEN
+ 50];
158 switch (sa
.sa_family
) {
160 name
= inet_ntop(AF_INET
,
161 &((struct sockaddr_in
*)&sa
)->sin_addr
,
165 name
= inet_ntop(AF_INET
,
166 &((struct sockaddr_in
*)&sa
)->sin_addr
,
171 sprintf(tmp
, "<unknown: %lu>",
172 (unsigned long)sa
.sa_family
);
175 fprintf(stderr
, "accepting connection from: %s\n", name
);
179 * We make the socket non-blocking, since we are going to use
180 * poll() to organise I/O.
182 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
190 "usage: brssl server [ options ]\n");
194 " -q suppress verbose messages\n");
196 " -trace activate extra debug messages (dump of all packets)\n");
198 " -b name bind to a specific address or host name\n");
200 " -p port bind to a specific port (default: 4433)\n");
202 " -mono use monodirectional buffering\n");
204 " -buf length set the I/O buffer length (in bytes)\n");
206 " -cache length set the session cache storage length (in bytes)\n");
208 " -cert fname read certificate chain from file 'fname'\n");
210 " -key fname read private key from file 'fname'\n");
212 " -list list supported names (protocols, algorithms...)\n");
214 " -vmin name set minimum supported version (default: TLS-1.0)\n");
216 " -vmax name set maximum supported version (default: TLS-1.2)\n");
218 " -cs names set list of supported cipher suites (comma-separated)\n");
220 " -hf names add support for some hash functions (comma-separated)\n");
222 " -serverpref enforce server's preferences for cipher suites\n");
227 const br_ssl_server_policy_class
*vtable
;
229 br_x509_certificate
*chain
;
231 int cert_signer_algo
;
236 get_cert_signer_algo(br_x509_certificate
*xc
)
238 br_x509_decoder_context dc
;
241 br_x509_decoder_init(&dc
, 0, 0);
242 br_x509_decoder_push(&dc
, xc
->data
, xc
->data_len
);
243 err
= br_x509_decoder_last_error(&dc
);
247 return br_x509_decoder_get_signer_key_type(&dc
);
252 sp_choose(const br_ssl_server_policy_class
**pctx
,
253 const br_ssl_server_context
*cc
,
254 br_ssl_server_choices
*choices
)
257 const br_suite_translated
*st
;
262 pc
= (policy_context
*)pctx
;
263 st
= br_ssl_server_get_client_suites(cc
, &st_num
);
264 chashes
= br_ssl_server_get_client_hashes(cc
);
265 for (hash_id
= 6; hash_id
>= 2; hash_id
--) {
266 if ((chashes
>> hash_id
) & 1) {
271 fprintf(stderr
, "Client parameters:\n");
272 fprintf(stderr
, " Maximum version: ");
273 switch (cc
->client_max_version
) {
275 fprintf(stderr
, "SSL 3.0");
278 fprintf(stderr
, "TLS 1.0");
281 fprintf(stderr
, "TLS 1.1");
284 fprintf(stderr
, "TLS 1.2");
287 fprintf(stderr
, "unknown (0x%04X)",
288 (unsigned)cc
->client_max_version
);
291 fprintf(stderr
, "\n");
292 fprintf(stderr
, " Compatible cipher suites:\n");
293 for (u
= 0; u
< st_num
; u
++) {
296 get_suite_name_ext(st
[u
][0], csn
, sizeof csn
);
297 fprintf(stderr
, " %s\n", csn
);
299 fprintf(stderr
, " Common hash functions:");
300 for (u
= 2; u
<= 6; u
++) {
301 if ((chashes
>> u
) & 1) {
305 case 3: z
= 224; break;
306 case 4: z
= 256; break;
307 case 5: z
= 384; break;
308 case 6: z
= 512; break;
313 fprintf(stderr
, " sha%d", z
);
316 fprintf(stderr
, "\n");
318 for (u
= 0; u
< st_num
; u
++) {
324 if (pc
->sk
->key_type
== BR_KEYTYPE_RSA
) {
325 choices
->cipher_suite
= st
[u
][0];
329 case BR_SSLKEYX_ECDHE_RSA
:
330 if (pc
->sk
->key_type
== BR_KEYTYPE_RSA
) {
331 choices
->cipher_suite
= st
[u
][0];
332 choices
->hash_id
= hash_id
;
336 case BR_SSLKEYX_ECDHE_ECDSA
:
337 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
) {
338 choices
->cipher_suite
= st
[u
][0];
339 choices
->hash_id
= hash_id
;
343 case BR_SSLKEYX_ECDH_RSA
:
344 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
345 && pc
->cert_signer_algo
== BR_KEYTYPE_RSA
)
347 choices
->cipher_suite
= st
[u
][0];
351 case BR_SSLKEYX_ECDH_ECDSA
:
352 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
353 && pc
->cert_signer_algo
== BR_KEYTYPE_EC
)
355 choices
->cipher_suite
= st
[u
][0];
364 choices
->chain
= pc
->chain
;
365 choices
->chain_len
= pc
->chain_len
;
369 get_suite_name_ext(choices
->cipher_suite
, csn
, sizeof csn
);
370 fprintf(stderr
, "Using: %s\n", csn
);
376 sp_do_keyx(const br_ssl_server_policy_class
**pctx
,
377 unsigned char *data
, size_t len
)
381 pc
= (policy_context
*)pctx
;
382 switch (pc
->sk
->key_type
) {
384 return br_rsa_ssl_decrypt(
385 &br_rsa_i31_private
, &pc
->sk
->key
.rsa
,
388 return br_ec_prime_i31
.mul(data
, len
, pc
->sk
->key
.ec
.x
,
389 pc
->sk
->key
.ec
.xlen
, pc
->sk
->key
.ec
.curve
);
391 fprintf(stderr
, "ERROR: unknown private key type (%d)\n",
392 (int)pc
->sk
->key_type
);
398 * OID for hash functions in RSA signatures.
400 static const unsigned char HASH_OID_SHA1
[] = {
401 0x05, 0x2B, 0x0E, 0x03, 0x02, 0x1A
404 static const unsigned char HASH_OID_SHA224
[] = {
405 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04
408 static const unsigned char HASH_OID_SHA256
[] = {
409 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01
412 static const unsigned char HASH_OID_SHA384
[] = {
413 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02
416 static const unsigned char HASH_OID_SHA512
[] = {
417 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03
420 static const unsigned char *HASH_OID
[] = {
428 static const br_hash_class
*
429 get_hash_impl(int hash_id
)
433 for (u
= 0; hash_functions
[u
].name
; u
++) {
434 const br_hash_class
*hc
;
437 hc
= hash_functions
[u
].hclass
;
438 id
= (hc
->desc
>> BR_HASHDESC_ID_OFF
) & BR_HASHDESC_ID_MASK
;
447 sp_do_sign(const br_ssl_server_policy_class
**pctx
,
448 int hash_id
, size_t hv_len
, unsigned char *data
, size_t len
)
451 unsigned char hv
[64];
453 pc
= (policy_context
*)pctx
;
454 memcpy(hv
, data
, hv_len
);
455 switch (pc
->sk
->key_type
) {
458 const unsigned char *hash_oid
;
459 const br_hash_class
*hc
;
464 } else if (hash_id
>= 2 && hash_id
<= 6) {
465 hash_oid
= HASH_OID
[hash_id
- 2];
468 fprintf(stderr
, "ERROR: cannot RSA-sign with"
469 " unknown hash function: %d\n",
474 sig_len
= (pc
->sk
->key
.rsa
.n_bitlen
+ 7) >> 3;
477 fprintf(stderr
, "ERROR: cannot RSA-sign,"
478 " buffer is too small"
479 " (sig=%lu, buf=%lu)\n",
480 (unsigned long)sig_len
,
485 x
= br_rsa_i31_pkcs1_sign(hash_oid
, hv
, hv_len
,
486 &pc
->sk
->key
.rsa
, data
);
489 fprintf(stderr
, "ERROR: RSA-sign failure\n");
496 hc
= get_hash_impl(hash_id
);
499 fprintf(stderr
, "ERROR: cannot RSA-sign with"
500 " unknown hash function: %d\n",
507 fprintf(stderr
, "ERROR: cannot ECDSA-sign"
508 " (output buffer = %lu)\n",
513 sig_len
= br_ecdsa_i31_sign_asn1(&br_ec_prime_i31
,
514 hc
, hv
, &pc
->sk
->key
.ec
, data
);
517 fprintf(stderr
, "ERROR: ECDSA-sign failure\n");
528 static const br_ssl_server_policy_class policy_vtable
= {
529 sizeof(policy_context
),
537 do_server(int argc
, char *argv
[])
543 const char *bind_name
;
546 cipher_suite
*suites
;
550 br_x509_certificate
*chain
;
552 int cert_signer_algo
;
555 br_ssl_server_context cc
;
557 br_ssl_session_cache_lru lru
;
558 unsigned char *iobuf
, *cache
;
559 size_t iobuf_len
, cache_len
;
581 cache_len
= (size_t)-1;
585 for (i
= 0; i
< argc
; i
++) {
591 goto server_exit_error
;
593 if (eqstr(arg
, "-v") || eqstr(arg
, "-verbose")) {
595 } else if (eqstr(arg
, "-q") || eqstr(arg
, "-quiet")) {
597 } else if (eqstr(arg
, "-trace")) {
599 } else if (eqstr(arg
, "-b")) {
602 "ERROR: no argument for '-b'\n");
604 goto server_exit_error
;
606 if (bind_name
!= NULL
) {
607 fprintf(stderr
, "ERROR: duplicate bind host\n");
609 goto server_exit_error
;
612 } else if (eqstr(arg
, "-p")) {
615 "ERROR: no argument for '-p'\n");
617 goto server_exit_error
;
620 fprintf(stderr
, "ERROR: duplicate bind port\n");
622 goto server_exit_error
;
625 } else if (eqstr(arg
, "-mono")) {
627 } else if (eqstr(arg
, "-buf")) {
630 "ERROR: no argument for '-buf'\n");
632 goto server_exit_error
;
635 if (iobuf_len
!= 0) {
637 "ERROR: duplicate I/O buffer length\n");
639 goto server_exit_error
;
641 iobuf_len
= strtoul(arg
, 0, 10);
642 } else if (eqstr(arg
, "-cache")) {
645 "ERROR: no argument for '-cache'\n");
647 goto server_exit_error
;
650 if (cache_len
!= (size_t)-1) {
651 fprintf(stderr
, "ERROR: duplicate session"
654 goto server_exit_error
;
656 cache_len
= strtoul(arg
, 0, 10);
657 } else if (eqstr(arg
, "-cert")) {
660 "ERROR: no argument for '-cert'\n");
662 goto server_exit_error
;
666 "ERROR: duplicate certificate chain\n");
668 goto server_exit_error
;
671 chain
= read_certificates(arg
, &chain_len
);
672 if (chain
== NULL
|| chain_len
== 0) {
673 goto server_exit_error
;
675 } else if (eqstr(arg
, "-key")) {
678 "ERROR: no argument for '-key'\n");
680 goto server_exit_error
;
684 "ERROR: duplicate private key\n");
686 goto server_exit_error
;
689 sk
= read_private_key(arg
);
691 goto server_exit_error
;
693 } else if (eqstr(arg
, "-list")) {
696 } else if (eqstr(arg
, "-vmin")) {
699 "ERROR: no argument for '-vmin'\n");
701 goto server_exit_error
;
706 "ERROR: duplicate minimum version\n");
708 goto server_exit_error
;
710 vmin
= parse_version(arg
, strlen(arg
));
713 "ERROR: unrecognised version '%s'\n",
716 goto server_exit_error
;
718 } else if (eqstr(arg
, "-vmax")) {
721 "ERROR: no argument for '-vmax'\n");
723 goto server_exit_error
;
728 "ERROR: duplicate maximum version\n");
730 goto server_exit_error
;
732 vmax
= parse_version(arg
, strlen(arg
));
735 "ERROR: unrecognised version '%s'\n",
738 goto server_exit_error
;
740 } else if (eqstr(arg
, "-cs")) {
743 "ERROR: no argument for '-cs'\n");
745 goto server_exit_error
;
748 if (suites
!= NULL
) {
749 fprintf(stderr
, "ERROR: duplicate list"
750 " of cipher suites\n");
752 goto server_exit_error
;
754 suites
= parse_suites(arg
, &num_suites
);
755 if (suites
== NULL
) {
757 goto server_exit_error
;
759 } else if (eqstr(arg
, "-hf")) {
764 "ERROR: no argument for '-hf'\n");
766 goto server_exit_error
;
769 x
= parse_hash_functions(arg
);
772 goto server_exit_error
;
775 } else if (eqstr(arg
, "-serverpref")) {
776 flags
|= BR_OPT_ENFORCE_SERVER_PREFERENCES
;
778 fprintf(stderr
, "ERROR: unknown option: '%s'\n", arg
);
780 goto server_exit_error
;
793 fprintf(stderr
, "ERROR: impossible minimum/maximum protocol"
794 " version combination\n");
796 goto server_exit_error
;
798 if (suites
== NULL
) {
801 for (u
= 0; cipher_suites
[u
].name
; u
++) {
802 if ((cipher_suites
[u
].req
& REQ_TLS12
) == 0
808 suites
= xmalloc(num_suites
* sizeof *suites
);
810 for (u
= 0; cipher_suites
[u
].name
; u
++) {
811 if ((cipher_suites
[u
].req
& REQ_TLS12
) == 0
814 suites
[num_suites
++] = cipher_suites
[u
];
819 hfuns
= (unsigned)-1;
821 if (chain
== NULL
|| chain_len
== 0) {
822 fprintf(stderr
, "ERROR: no certificate chain provided\n");
823 goto server_exit_error
;
826 fprintf(stderr
, "ERROR: no private key provided\n");
827 goto server_exit_error
;
829 switch (sk
->key_type
) {
836 curve
= sk
->key
.ec
.curve
;
837 supp
= br_ec_prime_i31
.supported_curves
;
838 if (curve
> 31 || !((supp
>> curve
) & 1)) {
839 fprintf(stderr
, "ERROR: private key curve (%d)"
840 " is not supported\n", curve
);
841 goto server_exit_error
;
845 fprintf(stderr
, "ERROR: unsupported private key type (%d)\n",
849 cert_signer_algo
= get_cert_signer_algo(chain
);
850 if (cert_signer_algo
< 0) {
851 fprintf(stderr
, "ERROR: server certificate cannot be"
852 " decoded (err=%d)\n", -cert_signer_algo
);
853 goto server_exit_error
;
854 } else if (verbose
) {
857 switch (cert_signer_algo
) {
858 case BR_KEYTYPE_RSA
: csas
= "RSA"; break;
859 case BR_KEYTYPE_EC
: csas
= "EC"; break;
864 fprintf(stderr
, "Issuing CA key type: %d (%s)\n",
865 cert_signer_algo
, csas
);
867 if (iobuf_len
== 0) {
869 iobuf_len
= BR_SSL_BUFSIZE_BIDI
;
871 iobuf_len
= BR_SSL_BUFSIZE_MONO
;
874 iobuf
= xmalloc(iobuf_len
);
875 if (cache_len
== (size_t)-1) {
878 cache
= xmalloc(cache_len
);
881 * Compute implementation requirements and inject implementations.
883 suite_ids
= xmalloc(num_suites
* sizeof *suite_ids
);
884 br_ssl_server_zero(&cc
);
885 br_ssl_engine_set_versions(&cc
.eng
, vmin
, vmax
);
886 br_ssl_server_set_all_flags(&cc
, flags
);
887 if (vmin
<= BR_TLS11
) {
888 if (!(hfuns
& (1 << br_md5_ID
))) {
889 fprintf(stderr
, "ERROR: TLS 1.0 and 1.1 need MD5\n");
890 goto server_exit_error
;
892 if (!(hfuns
& (1 << br_sha1_ID
))) {
893 fprintf(stderr
, "ERROR: TLS 1.0 and 1.1 need SHA-1\n");
894 goto server_exit_error
;
897 for (u
= 0; u
< num_suites
; u
++) {
901 suite_ids
[u
] = suites
[u
].suite
;
902 if ((req
& REQ_TLS12
) != 0 && vmax
< BR_TLS12
) {
904 "ERROR: cipher suite %s requires TLS 1.2\n",
906 goto server_exit_error
;
908 if ((req
& REQ_SHA1
) != 0 && !(hfuns
& (1 << br_sha1_ID
))) {
910 "ERROR: cipher suite %s requires SHA-1\n",
912 goto server_exit_error
;
914 if ((req
& REQ_SHA256
) != 0 && !(hfuns
& (1 << br_sha256_ID
))) {
916 "ERROR: cipher suite %s requires SHA-256\n",
918 goto server_exit_error
;
920 if ((req
& REQ_SHA384
) != 0 && !(hfuns
& (1 << br_sha384_ID
))) {
922 "ERROR: cipher suite %s requires SHA-384\n",
924 goto server_exit_error
;
926 /* TODO: algorithm implementation selection */
927 if ((req
& REQ_AESCBC
) != 0) {
928 br_ssl_engine_set_aes_cbc(&cc
.eng
,
929 &br_aes_ct_cbcenc_vtable
,
930 &br_aes_ct_cbcdec_vtable
);
931 br_ssl_engine_set_cbc(&cc
.eng
,
932 &br_sslrec_in_cbc_vtable
,
933 &br_sslrec_out_cbc_vtable
);
935 if ((req
& REQ_AESGCM
) != 0) {
936 br_ssl_engine_set_aes_ctr(&cc
.eng
,
937 &br_aes_ct_ctr_vtable
);
938 br_ssl_engine_set_ghash(&cc
.eng
,
940 br_ssl_engine_set_gcm(&cc
.eng
,
941 &br_sslrec_in_gcm_vtable
,
942 &br_sslrec_out_gcm_vtable
);
944 if ((req
& REQ_3DESCBC
) != 0) {
945 br_ssl_engine_set_des_cbc(&cc
.eng
,
946 &br_des_ct_cbcenc_vtable
,
947 &br_des_ct_cbcdec_vtable
);
948 br_ssl_engine_set_cbc(&cc
.eng
,
949 &br_sslrec_in_cbc_vtable
,
950 &br_sslrec_out_cbc_vtable
);
952 if ((req
& (REQ_ECDHE_RSA
| REQ_ECDHE_ECDSA
)) != 0) {
953 br_ssl_engine_set_ec(&cc
.eng
, &br_ec_prime_i31
);
956 br_ssl_engine_set_suites(&cc
.eng
, suite_ids
, num_suites
);
958 for (u
= 0; hash_functions
[u
].name
; u
++) {
959 const br_hash_class
*hc
;
962 hc
= hash_functions
[u
].hclass
;
963 id
= (hc
->desc
>> BR_HASHDESC_ID_OFF
) & BR_HASHDESC_ID_MASK
;
964 if ((hfuns
& ((unsigned)1 << id
)) != 0) {
965 br_ssl_engine_set_hash(&cc
.eng
, id
, hc
);
968 if (vmin
<= BR_TLS11
) {
969 br_ssl_engine_set_prf10(&cc
.eng
, &br_tls10_prf
);
971 if (vmax
>= BR_TLS12
) {
972 if ((hfuns
& ((unsigned)1 << br_sha256_ID
)) != 0) {
973 br_ssl_engine_set_prf_sha256(&cc
.eng
,
974 &br_tls12_sha256_prf
);
976 if ((hfuns
& ((unsigned)1 << br_sha384_ID
)) != 0) {
977 br_ssl_engine_set_prf_sha384(&cc
.eng
,
978 &br_tls12_sha384_prf
);
982 br_ssl_session_cache_lru_init(&lru
, cache
, cache_len
);
983 br_ssl_server_set_cache(&cc
, &lru
.vtable
);
985 pc
.vtable
= &policy_vtable
;
986 pc
.verbose
= verbose
;
988 pc
.chain_len
= chain_len
;
989 pc
.cert_signer_algo
= cert_signer_algo
;
991 br_ssl_server_set_policy(&cc
, &pc
.vtable
);
993 br_ssl_engine_set_buffer(&cc
.eng
, iobuf
, iobuf_len
, bidi
);
996 * Open the server socket.
998 server_fd
= host_bind(bind_name
, port
, verbose
);
1000 goto server_exit_error
;
1004 * Process incoming clients, one at a time. Note that we do not
1005 * accept any client until the previous connection has finished:
1006 * this is voluntary, since the tool uses stdin/stdout for
1007 * application data, and thus cannot really run two connections
1013 fd
= accept_client(server_fd
, verbose
);
1015 goto server_exit_error
;
1017 br_ssl_server_reset(&cc
);
1018 x
= run_ssl_engine(&cc
.eng
, fd
,
1019 (verbose
? RUN_ENGINE_VERBOSE
: 0)
1020 | (trace
? RUN_ENGINE_TRACE
: 0));
1024 goto server_exit_error
;
1029 * Release allocated structures.
1034 if (chain
!= NULL
) {
1035 for (u
= 0; u
< chain_len
; u
++) {
1036 xfree(chain
[u
].data
);
1041 free_private_key(sk
);