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
32 #include <sys/types.h>
33 #include <sys/socket.h>
35 #include <netinet/in.h>
36 #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
;
68 sa
= (struct sockaddr
*)p
->ai_addr
;
69 if (sa
->sa_family
== AF_INET
) {
70 sa4
= *(struct sockaddr_in
*)sa
;
71 sa
= (struct sockaddr
*)&sa4
;
75 sa4
.sin_addr
.s_addr
= INADDR_ANY
;
77 } else if (sa
->sa_family
== AF_INET6
) {
78 sa6
= *(struct sockaddr_in6
*)sa
;
79 sa
= (struct sockaddr
*)&sa6
;
81 addr
= &sa6
.sin6_addr
;
83 sa6
.sin6_addr
= in6addr_any
;
87 sa_len
= p
->ai_addrlen
;
90 char tmp
[INET6_ADDRSTRLEN
+ 50];
93 if (!inet_ntop(p
->ai_family
, addr
,
96 strcpy(tmp
, "<invalid>");
99 sprintf(tmp
, "<unknown family: %d>",
102 fprintf(stderr
, "binding to: %s\n", tmp
);
104 fd
= socket(p
->ai_family
, p
->ai_socktype
, p
->ai_protocol
);
112 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, &opt
, sizeof opt
);
114 setsockopt(fd
, IPPROTO_IPV6
, IPV6_V6ONLY
, &opt
, sizeof opt
);
115 if (bind(fd
, sa
, sa_len
) < 0) {
126 fprintf(stderr
, "ERROR: failed to bind\n");
130 if (listen(fd
, 5) < 0) {
138 fprintf(stderr
, "bound.\n");
144 accept_client(int server_fd
, int verbose
)
151 fd
= accept(server_fd
, &sa
, &sa_len
);
159 char tmp
[INET6_ADDRSTRLEN
+ 50];
163 switch (sa
.sa_family
) {
165 name
= inet_ntop(AF_INET
,
166 &((struct sockaddr_in
*)&sa
)->sin_addr
,
170 name
= inet_ntop(AF_INET6
,
171 &((struct sockaddr_in6
*)&sa
)->sin6_addr
,
176 sprintf(tmp
, "<unknown: %lu>",
177 (unsigned long)sa
.sa_family
);
180 fprintf(stderr
, "accepting connection from: %s\n", name
);
184 * We make the socket non-blocking, since we are going to use
185 * poll() to organise I/O.
187 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
195 "usage: brssl server [ options ]\n");
199 " -q suppress verbose messages\n");
201 " -trace activate extra debug messages (dump of all packets)\n");
203 " -b name bind to a specific address or host name\n");
205 " -p port bind to a specific port (default: 4433)\n");
207 " -mono use monodirectional buffering\n");
209 " -buf length set the I/O buffer length (in bytes)\n");
211 " -cache length set the session cache storage length (in bytes)\n");
213 " -cert fname read certificate chain from file 'fname'\n");
215 " -key fname read private key from file 'fname'\n");
217 " -CA file add trust anchors from 'file' (for client auth)\n");
219 " -anon_ok request but do not require a client certificate\n");
221 " -list list supported names (protocols, algorithms...)\n");
223 " -vmin name set minimum supported version (default: TLS-1.0)\n");
225 " -vmax name set maximum supported version (default: TLS-1.2)\n");
227 " -cs names set list of supported cipher suites (comma-separated)\n");
229 " -hf names add support for some hash functions (comma-separated)\n");
231 " -serverpref enforce server's preferences for cipher suites\n");
233 " -noreneg prohibit renegotiations\n");
235 " -alpn name add protocol name to list of protocols (ALPN extension)\n");
237 " -strictalpn fail on ALPN mismatch\n");
242 const br_ssl_server_policy_class
*vtable
;
244 br_x509_certificate
*chain
;
246 int cert_signer_algo
;
251 print_hashes(unsigned chashes
)
255 for (i
= 2; i
<= 6; i
++) {
256 if ((chashes
>> i
) & 1) {
260 case 3: z
= 224; break;
261 case 4: z
= 256; break;
262 case 5: z
= 384; break;
263 case 6: z
= 512; break;
268 fprintf(stderr
, " sha%d", z
);
274 choose_hash(unsigned chashes
)
278 for (hash_id
= 6; hash_id
>= 2; hash_id
--) {
279 if (((chashes
>> hash_id
) & 1) != 0) {
284 * Normally unreachable.
290 sp_choose(const br_ssl_server_policy_class
**pctx
,
291 const br_ssl_server_context
*cc
,
292 br_ssl_server_choices
*choices
)
295 const br_suite_translated
*st
;
299 pc
= (policy_context
*)pctx
;
300 st
= br_ssl_server_get_client_suites(cc
, &st_num
);
301 chashes
= br_ssl_server_get_client_hashes(cc
);
303 fprintf(stderr
, "Client parameters:\n");
304 fprintf(stderr
, " Maximum version: ");
305 switch (cc
->client_max_version
) {
307 fprintf(stderr
, "SSL 3.0");
310 fprintf(stderr
, "TLS 1.0");
313 fprintf(stderr
, "TLS 1.1");
316 fprintf(stderr
, "TLS 1.2");
319 fprintf(stderr
, "unknown (0x%04X)",
320 (unsigned)cc
->client_max_version
);
323 fprintf(stderr
, "\n");
324 fprintf(stderr
, " Compatible cipher suites:\n");
325 for (u
= 0; u
< st_num
; u
++) {
328 get_suite_name_ext(st
[u
][0], csn
, sizeof csn
);
329 fprintf(stderr
, " %s\n", csn
);
331 fprintf(stderr
, " Common sign+hash functions:\n");
332 if ((chashes
& 0xFF) != 0) {
333 fprintf(stderr
, " with RSA:");
334 print_hashes(chashes
);
335 fprintf(stderr
, "\n");
337 if ((chashes
>> 8) != 0) {
338 fprintf(stderr
, " with ECDSA:");
339 print_hashes(chashes
>> 8);
340 fprintf(stderr
, "\n");
343 for (u
= 0; u
< st_num
; u
++) {
349 if (pc
->sk
->key_type
== BR_KEYTYPE_RSA
) {
350 choices
->cipher_suite
= st
[u
][0];
354 case BR_SSLKEYX_ECDHE_RSA
:
355 if (pc
->sk
->key_type
== BR_KEYTYPE_RSA
) {
356 choices
->cipher_suite
= st
[u
][0];
357 if (br_ssl_engine_get_version(&cc
->eng
)
360 choices
->hash_id
= 0;
362 choices
->hash_id
= choose_hash(chashes
);
367 case BR_SSLKEYX_ECDHE_ECDSA
:
368 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
) {
369 choices
->cipher_suite
= st
[u
][0];
370 if (br_ssl_engine_get_version(&cc
->eng
)
373 choices
->hash_id
= br_sha1_ID
;
376 choose_hash(chashes
>> 8);
381 case BR_SSLKEYX_ECDH_RSA
:
382 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
383 && pc
->cert_signer_algo
== BR_KEYTYPE_RSA
)
385 choices
->cipher_suite
= st
[u
][0];
389 case BR_SSLKEYX_ECDH_ECDSA
:
390 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
391 && pc
->cert_signer_algo
== BR_KEYTYPE_EC
)
393 choices
->cipher_suite
= st
[u
][0];
402 choices
->chain
= pc
->chain
;
403 choices
->chain_len
= pc
->chain_len
;
407 get_suite_name_ext(choices
->cipher_suite
, csn
, sizeof csn
);
408 fprintf(stderr
, "Using: %s\n", csn
);
414 sp_do_keyx(const br_ssl_server_policy_class
**pctx
,
415 unsigned char *data
, size_t len
)
419 pc
= (policy_context
*)pctx
;
420 switch (pc
->sk
->key_type
) {
422 return br_rsa_ssl_decrypt(
423 &br_rsa_i31_private
, &pc
->sk
->key
.rsa
,
426 return br_ec_prime_i31
.mul(data
, len
, pc
->sk
->key
.ec
.x
,
427 pc
->sk
->key
.ec
.xlen
, pc
->sk
->key
.ec
.curve
);
429 fprintf(stderr
, "ERROR: unknown private key type (%d)\n",
430 (int)pc
->sk
->key_type
);
436 sp_do_sign(const br_ssl_server_policy_class
**pctx
,
437 int hash_id
, size_t hv_len
, unsigned char *data
, size_t len
)
440 unsigned char hv
[64];
442 pc
= (policy_context
*)pctx
;
443 memcpy(hv
, data
, hv_len
);
444 switch (pc
->sk
->key_type
) {
447 const unsigned char *hash_oid
;
448 const br_hash_class
*hc
;
451 hash_oid
= get_hash_oid(hash_id
);
452 if (hash_oid
== NULL
&& hash_id
!= 0) {
454 fprintf(stderr
, "ERROR: cannot RSA-sign with"
455 " unknown hash function: %d\n",
460 sig_len
= (pc
->sk
->key
.rsa
.n_bitlen
+ 7) >> 3;
463 fprintf(stderr
, "ERROR: cannot RSA-sign,"
464 " buffer is too small"
465 " (sig=%lu, buf=%lu)\n",
466 (unsigned long)sig_len
,
471 x
= br_rsa_i31_pkcs1_sign(hash_oid
, hv
, hv_len
,
472 &pc
->sk
->key
.rsa
, data
);
475 fprintf(stderr
, "ERROR: RSA-sign failure\n");
482 hc
= get_hash_impl(hash_id
);
485 fprintf(stderr
, "ERROR: cannot ECDSA-sign with"
486 " unknown hash function: %d\n",
493 fprintf(stderr
, "ERROR: cannot ECDSA-sign"
494 " (output buffer = %lu)\n",
499 sig_len
= br_ecdsa_i31_sign_asn1(&br_ec_prime_i31
,
500 hc
, hv
, &pc
->sk
->key
.ec
, data
);
503 fprintf(stderr
, "ERROR: ECDSA-sign failure\n");
514 static const br_ssl_server_policy_class policy_vtable
= {
515 sizeof(policy_context
),
522 free_alpn(void *alpn
)
524 xfree(*(char **)alpn
);
529 do_server(int argc
, char *argv
[])
535 const char *bind_name
;
538 cipher_suite
*suites
;
542 br_x509_certificate
*chain
;
544 int cert_signer_algo
;
546 anchor_list anchors
= VEC_INIT
;
547 VECTOR(const char *) alpn_names
= VEC_INIT
;
548 br_x509_minimal_context xc
;
549 const br_hash_class
*dnhash
;
551 br_ssl_server_context cc
;
553 br_ssl_session_cache_lru lru
;
554 unsigned char *iobuf
, *cache
;
555 size_t iobuf_len
, cache_len
;
577 cache_len
= (size_t)-1;
581 for (i
= 0; i
< argc
; i
++) {
587 goto server_exit_error
;
589 if (eqstr(arg
, "-v") || eqstr(arg
, "-verbose")) {
591 } else if (eqstr(arg
, "-q") || eqstr(arg
, "-quiet")) {
593 } else if (eqstr(arg
, "-trace")) {
595 } else if (eqstr(arg
, "-b")) {
598 "ERROR: no argument for '-b'\n");
600 goto server_exit_error
;
602 if (bind_name
!= NULL
) {
603 fprintf(stderr
, "ERROR: duplicate bind host\n");
605 goto server_exit_error
;
608 } else if (eqstr(arg
, "-p")) {
611 "ERROR: no argument for '-p'\n");
613 goto server_exit_error
;
616 fprintf(stderr
, "ERROR: duplicate bind port\n");
618 goto server_exit_error
;
621 } else if (eqstr(arg
, "-mono")) {
623 } else if (eqstr(arg
, "-buf")) {
626 "ERROR: no argument for '-buf'\n");
628 goto server_exit_error
;
631 if (iobuf_len
!= 0) {
633 "ERROR: duplicate I/O buffer length\n");
635 goto server_exit_error
;
637 iobuf_len
= parse_size(arg
);
638 if (iobuf_len
== (size_t)-1) {
640 goto server_exit_error
;
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
= parse_size(arg
);
657 if (cache_len
== (size_t)-1) {
659 goto server_exit_error
;
661 } else if (eqstr(arg
, "-cert")) {
664 "ERROR: no argument for '-cert'\n");
666 goto server_exit_error
;
670 "ERROR: duplicate certificate chain\n");
672 goto server_exit_error
;
675 chain
= read_certificates(arg
, &chain_len
);
676 if (chain
== NULL
|| chain_len
== 0) {
677 goto server_exit_error
;
679 } else if (eqstr(arg
, "-key")) {
682 "ERROR: no argument for '-key'\n");
684 goto server_exit_error
;
688 "ERROR: duplicate private key\n");
690 goto server_exit_error
;
693 sk
= read_private_key(arg
);
695 goto server_exit_error
;
697 } else if (eqstr(arg
, "-CA")) {
700 "ERROR: no argument for '-CA'\n");
702 goto server_exit_error
;
705 if (read_trust_anchors(&anchors
, arg
) == 0) {
707 goto server_exit_error
;
709 } else if (eqstr(arg
, "-anon_ok")) {
710 flags
|= BR_OPT_TOLERATE_NO_CLIENT_AUTH
;
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
;
795 } else if (eqstr(arg
, "-noreneg")) {
796 flags
|= BR_OPT_NO_RENEGOTIATION
;
797 } else if (eqstr(arg
, "-alpn")) {
800 "ERROR: no argument for '-alpn'\n");
802 goto server_exit_error
;
804 VEC_ADD(alpn_names
, xstrdup(argv
[i
]));
805 } else if (eqstr(arg
, "-strictalpn")) {
806 flags
|= BR_OPT_FAIL_ON_ALPN_MISMATCH
;
808 fprintf(stderr
, "ERROR: unknown option: '%s'\n", arg
);
810 goto server_exit_error
;
823 fprintf(stderr
, "ERROR: impossible minimum/maximum protocol"
824 " version combination\n");
826 goto server_exit_error
;
828 if (suites
== NULL
) {
831 for (u
= 0; cipher_suites
[u
].name
; u
++) {
832 if ((cipher_suites
[u
].req
& REQ_TLS12
) == 0
838 suites
= xmalloc(num_suites
* sizeof *suites
);
840 for (u
= 0; cipher_suites
[u
].name
; u
++) {
841 if ((cipher_suites
[u
].req
& REQ_TLS12
) == 0
844 suites
[num_suites
++] = cipher_suites
[u
];
849 hfuns
= (unsigned)-1;
851 if (chain
== NULL
|| chain_len
== 0) {
852 fprintf(stderr
, "ERROR: no certificate chain provided\n");
853 goto server_exit_error
;
856 fprintf(stderr
, "ERROR: no private key provided\n");
857 goto server_exit_error
;
859 switch (sk
->key_type
) {
866 curve
= sk
->key
.ec
.curve
;
867 supp
= br_ec_prime_i31
.supported_curves
;
868 if (curve
> 31 || !((supp
>> curve
) & 1)) {
869 fprintf(stderr
, "ERROR: private key curve (%d)"
870 " is not supported\n", curve
);
871 goto server_exit_error
;
875 fprintf(stderr
, "ERROR: unsupported private key type (%d)\n",
879 cert_signer_algo
= get_cert_signer_algo(chain
);
880 if (cert_signer_algo
== 0) {
881 goto server_exit_error
;
886 switch (cert_signer_algo
) {
887 case BR_KEYTYPE_RSA
: csas
= "RSA"; break;
888 case BR_KEYTYPE_EC
: csas
= "EC"; break;
893 fprintf(stderr
, "Issuing CA key type: %d (%s)\n",
894 cert_signer_algo
, csas
);
896 if (iobuf_len
== 0) {
898 iobuf_len
= BR_SSL_BUFSIZE_BIDI
;
900 iobuf_len
= BR_SSL_BUFSIZE_MONO
;
903 iobuf
= xmalloc(iobuf_len
);
904 if (cache_len
== (size_t)-1) {
907 cache
= xmalloc(cache_len
);
910 * Compute implementation requirements and inject implementations.
912 suite_ids
= xmalloc(num_suites
* sizeof *suite_ids
);
913 br_ssl_server_zero(&cc
);
914 br_ssl_engine_set_versions(&cc
.eng
, vmin
, vmax
);
915 br_ssl_engine_set_all_flags(&cc
.eng
, flags
);
916 if (vmin
<= BR_TLS11
) {
917 if (!(hfuns
& (1 << br_md5_ID
))) {
918 fprintf(stderr
, "ERROR: TLS 1.0 and 1.1 need MD5\n");
919 goto server_exit_error
;
921 if (!(hfuns
& (1 << br_sha1_ID
))) {
922 fprintf(stderr
, "ERROR: TLS 1.0 and 1.1 need SHA-1\n");
923 goto server_exit_error
;
926 for (u
= 0; u
< num_suites
; u
++) {
930 suite_ids
[u
] = suites
[u
].suite
;
931 if ((req
& REQ_TLS12
) != 0 && vmax
< BR_TLS12
) {
933 "ERROR: cipher suite %s requires TLS 1.2\n",
935 goto server_exit_error
;
937 if ((req
& REQ_SHA1
) != 0 && !(hfuns
& (1 << br_sha1_ID
))) {
939 "ERROR: cipher suite %s requires SHA-1\n",
941 goto server_exit_error
;
943 if ((req
& REQ_SHA256
) != 0 && !(hfuns
& (1 << br_sha256_ID
))) {
945 "ERROR: cipher suite %s requires SHA-256\n",
947 goto server_exit_error
;
949 if ((req
& REQ_SHA384
) != 0 && !(hfuns
& (1 << br_sha384_ID
))) {
951 "ERROR: cipher suite %s requires SHA-384\n",
953 goto server_exit_error
;
955 /* TODO: algorithm implementation selection */
956 if ((req
& REQ_AESCBC
) != 0) {
957 br_ssl_engine_set_aes_cbc(&cc
.eng
,
958 &br_aes_ct_cbcenc_vtable
,
959 &br_aes_ct_cbcdec_vtable
);
960 br_ssl_engine_set_cbc(&cc
.eng
,
961 &br_sslrec_in_cbc_vtable
,
962 &br_sslrec_out_cbc_vtable
);
964 if ((req
& REQ_AESGCM
) != 0) {
965 br_ssl_engine_set_aes_ctr(&cc
.eng
,
966 &br_aes_ct_ctr_vtable
);
967 br_ssl_engine_set_ghash(&cc
.eng
,
969 br_ssl_engine_set_gcm(&cc
.eng
,
970 &br_sslrec_in_gcm_vtable
,
971 &br_sslrec_out_gcm_vtable
);
973 if ((req
& REQ_CHAPOL
) != 0) {
974 br_ssl_engine_set_chacha20(&cc
.eng
,
975 &br_chacha20_ct_run
);
976 br_ssl_engine_set_poly1305(&cc
.eng
,
977 &br_poly1305_ctmul_run
);
978 br_ssl_engine_set_chapol(&cc
.eng
,
979 &br_sslrec_in_chapol_vtable
,
980 &br_sslrec_out_chapol_vtable
);
982 if ((req
& REQ_3DESCBC
) != 0) {
983 br_ssl_engine_set_des_cbc(&cc
.eng
,
984 &br_des_ct_cbcenc_vtable
,
985 &br_des_ct_cbcdec_vtable
);
986 br_ssl_engine_set_cbc(&cc
.eng
,
987 &br_sslrec_in_cbc_vtable
,
988 &br_sslrec_out_cbc_vtable
);
990 if ((req
& (REQ_ECDHE_RSA
| REQ_ECDHE_ECDSA
)) != 0) {
991 br_ssl_engine_set_ec(&cc
.eng
, &br_ec_prime_i31
);
994 br_ssl_engine_set_suites(&cc
.eng
, suite_ids
, num_suites
);
997 for (u
= 0; hash_functions
[u
].name
; u
++) {
998 const br_hash_class
*hc
;
1001 hc
= hash_functions
[u
].hclass
;
1002 id
= (hc
->desc
>> BR_HASHDESC_ID_OFF
) & BR_HASHDESC_ID_MASK
;
1003 if ((hfuns
& ((unsigned)1 << id
)) != 0) {
1005 br_ssl_engine_set_hash(&cc
.eng
, id
, hc
);
1008 if (vmin
<= BR_TLS11
) {
1009 br_ssl_engine_set_prf10(&cc
.eng
, &br_tls10_prf
);
1011 if (vmax
>= BR_TLS12
) {
1012 if ((hfuns
& ((unsigned)1 << br_sha256_ID
)) != 0) {
1013 br_ssl_engine_set_prf_sha256(&cc
.eng
,
1014 &br_tls12_sha256_prf
);
1016 if ((hfuns
& ((unsigned)1 << br_sha384_ID
)) != 0) {
1017 br_ssl_engine_set_prf_sha384(&cc
.eng
,
1018 &br_tls12_sha384_prf
);
1022 br_ssl_session_cache_lru_init(&lru
, cache
, cache_len
);
1023 br_ssl_server_set_cache(&cc
, &lru
.vtable
);
1025 if (VEC_LEN(alpn_names
) != 0) {
1026 br_ssl_engine_set_protocol_names(&cc
.eng
,
1027 &VEC_ELT(alpn_names
, 0), VEC_LEN(alpn_names
));
1031 * Set the policy handler (that chooses the actual cipher suite,
1032 * selects the certificate chain, and runs the private key
1035 pc
.vtable
= &policy_vtable
;
1036 pc
.verbose
= verbose
;
1038 pc
.chain_len
= chain_len
;
1039 pc
.cert_signer_algo
= cert_signer_algo
;
1041 br_ssl_server_set_policy(&cc
, &pc
.vtable
);
1044 * If trust anchors have been configured, then set an X.509
1045 * validation engine and activate client certificate
1048 if (VEC_LEN(anchors
) != 0) {
1049 br_x509_minimal_init(&xc
, dnhash
,
1050 &VEC_ELT(anchors
, 0), VEC_LEN(anchors
));
1051 for (u
= 0; hash_functions
[u
].name
; u
++) {
1052 const br_hash_class
*hc
;
1055 hc
= hash_functions
[u
].hclass
;
1056 id
= (hc
->desc
>> BR_HASHDESC_ID_OFF
)
1057 & BR_HASHDESC_ID_MASK
;
1058 if ((hfuns
& ((unsigned)1 << id
)) != 0) {
1059 br_x509_minimal_set_hash(&xc
, id
, hc
);
1062 br_ssl_engine_set_rsavrfy(&cc
.eng
, &br_rsa_i31_pkcs1_vrfy
);
1063 br_ssl_engine_set_ec(&cc
.eng
, &br_ec_prime_i31
);
1064 br_ssl_engine_set_ecdsa(&cc
.eng
, &br_ecdsa_i31_vrfy_asn1
);
1065 br_x509_minimal_set_rsa(&xc
, &br_rsa_i31_pkcs1_vrfy
);
1066 br_x509_minimal_set_ecdsa(&xc
,
1067 &br_ec_prime_i31
, &br_ecdsa_i31_vrfy_asn1
);
1068 br_ssl_engine_set_x509(&cc
.eng
, &xc
.vtable
);
1069 br_ssl_server_set_trust_anchor_names_alt(&cc
,
1070 &VEC_ELT(anchors
, 0), VEC_LEN(anchors
));
1073 br_ssl_engine_set_buffer(&cc
.eng
, iobuf
, iobuf_len
, bidi
);
1076 * We need to ignore SIGPIPE.
1078 signal(SIGPIPE
, SIG_IGN
);
1081 * Open the server socket.
1083 server_fd
= host_bind(bind_name
, port
, verbose
);
1084 if (server_fd
< 0) {
1085 goto server_exit_error
;
1089 * Process incoming clients, one at a time. Note that we do not
1090 * accept any client until the previous connection has finished:
1091 * this is voluntary, since the tool uses stdin/stdout for
1092 * application data, and thus cannot really run two connections
1098 fd
= accept_client(server_fd
, verbose
);
1100 goto server_exit_error
;
1102 br_ssl_server_reset(&cc
);
1103 x
= run_ssl_engine(&cc
.eng
, fd
,
1104 (verbose
? RUN_ENGINE_VERBOSE
: 0)
1105 | (trace
? RUN_ENGINE_TRACE
: 0));
1109 goto server_exit_error
;
1114 * Release allocated structures.
1119 free_certificates(chain
, chain_len
);
1120 free_private_key(sk
);
1121 VEC_CLEAREXT(anchors
, &free_ta_contents
);
1122 VEC_CLEAREXT(alpn_names
, &free_alpn
);