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
36 #include <sys/types.h>
37 #include <sys/socket.h>
39 #include <netinet/in.h>
40 #include <arpa/inet.h>
45 #define INVALID_SOCKET (-1)
46 #define SOCKADDR_STORAGE struct sockaddr_storage
52 host_bind(const char *host
, const char *port
, int verbose
)
54 struct addrinfo hints
, *si
, *p
;
58 memset(&hints
, 0, sizeof hints
);
59 hints
.ai_family
= PF_UNSPEC
;
60 hints
.ai_socktype
= SOCK_STREAM
;
61 err
= getaddrinfo(host
, port
, &hints
, &si
);
63 fprintf(stderr
, "ERROR: getaddrinfo(): %s\n",
65 return INVALID_SOCKET
;
68 for (p
= si
; p
!= NULL
; p
= p
->ai_next
) {
70 struct sockaddr_in sa4
;
71 struct sockaddr_in6 sa6
;
76 sa
= (struct sockaddr
*)p
->ai_addr
;
77 if (sa
->sa_family
== AF_INET
) {
78 sa4
= *(struct sockaddr_in
*)sa
;
79 sa
= (struct sockaddr
*)&sa4
;
83 sa4
.sin_addr
.s_addr
= INADDR_ANY
;
85 } else if (sa
->sa_family
== AF_INET6
) {
86 sa6
= *(struct sockaddr_in6
*)sa
;
87 sa
= (struct sockaddr
*)&sa6
;
89 addr
= &sa6
.sin6_addr
;
91 sa6
.sin6_addr
= in6addr_any
;
95 sa_len
= p
->ai_addrlen
;
98 char tmp
[INET6_ADDRSTRLEN
+ 50];
101 if (!inet_ntop(p
->ai_family
, addr
,
104 strcpy(tmp
, "<invalid>");
107 sprintf(tmp
, "<unknown family: %d>",
110 fprintf(stderr
, "binding to: %s\n", tmp
);
112 fd
= socket(p
->ai_family
, p
->ai_socktype
, p
->ai_protocol
);
113 if (fd
== INVALID_SOCKET
) {
120 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
,
121 (void *)&opt
, sizeof opt
);
123 setsockopt(fd
, IPPROTO_IPV6
, IPV6_V6ONLY
,
124 (void *)&opt
, sizeof opt
);
125 if (bind(fd
, sa
, sa_len
) < 0) {
140 fprintf(stderr
, "ERROR: failed to bind\n");
141 return INVALID_SOCKET
;
144 if (listen(fd
, 5) < 0) {
153 return INVALID_SOCKET
;
156 fprintf(stderr
, "bound.\n");
162 accept_client(SOCKET server_fd
, int verbose
)
169 fd
= accept(server_fd
, (struct sockaddr
*)&sa
, &sa_len
);
170 if (fd
== INVALID_SOCKET
) {
174 return INVALID_SOCKET
;
177 char tmp
[INET6_ADDRSTRLEN
+ 50];
181 switch (((struct sockaddr
*)&sa
)->sa_family
) {
183 name
= inet_ntop(AF_INET
,
184 &((struct sockaddr_in
*)&sa
)->sin_addr
,
188 name
= inet_ntop(AF_INET6
,
189 &((struct sockaddr_in6
*)&sa
)->sin6_addr
,
194 sprintf(tmp
, "<unknown: %lu>", (unsigned long)
195 ((struct sockaddr
*)&sa
)->sa_family
);
198 fprintf(stderr
, "accepting connection from: %s\n", name
);
202 * We make the socket non-blocking, since we are going to use
203 * poll() or select() to organise I/O.
210 ioctlsocket(fd
, FIONBIO
, &arg
);
213 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
222 "usage: brssl server [ options ]\n");
226 " -q suppress verbose messages\n");
228 " -trace activate extra debug messages (dump of all packets)\n");
230 " -b name bind to a specific address or host name\n");
232 " -p port bind to a specific port (default: 4433)\n");
234 " -mono use monodirectional buffering\n");
236 " -buf length set the I/O buffer length (in bytes)\n");
238 " -cache length set the session cache storage length (in bytes)\n");
240 " -cert fname read certificate chain from file 'fname'\n");
242 " -key fname read private key from file 'fname'\n");
244 " -CA file add trust anchors from 'file' (for client auth)\n");
246 " -anon_ok request but do not require a client certificate\n");
248 " -list list supported names (protocols, algorithms...)\n");
250 " -vmin name set minimum supported version (default: TLS-1.0)\n");
252 " -vmax name set maximum supported version (default: TLS-1.2)\n");
254 " -cs names set list of supported cipher suites (comma-separated)\n");
256 " -hf names add support for some hash functions (comma-separated)\n");
258 " -cbhash test hashing in policy callback\n");
260 " -serverpref enforce server's preferences for cipher suites\n");
262 " -noreneg prohibit renegotiations\n");
264 " -alpn name add protocol name to list of protocols (ALPN extension)\n");
266 " -strictalpn fail on ALPN mismatch\n");
271 const br_ssl_server_policy_class
*vtable
;
273 br_x509_certificate
*chain
;
275 int cert_signer_algo
;
281 print_hashes(unsigned chashes
)
285 for (i
= 2; i
<= 6; i
++) {
286 if ((chashes
>> i
) & 1) {
290 case 3: z
= 224; break;
291 case 4: z
= 256; break;
292 case 5: z
= 384; break;
293 case 6: z
= 512; break;
298 fprintf(stderr
, " sha%d", z
);
304 choose_hash(unsigned chashes
)
308 for (hash_id
= 6; hash_id
>= 2; hash_id
--) {
309 if (((chashes
>> hash_id
) & 1) != 0) {
314 * Normally unreachable.
320 sp_choose(const br_ssl_server_policy_class
**pctx
,
321 const br_ssl_server_context
*cc
,
322 br_ssl_server_choices
*choices
)
325 const br_suite_translated
*st
;
329 pc
= (policy_context
*)pctx
;
330 st
= br_ssl_server_get_client_suites(cc
, &st_num
);
331 chashes
= br_ssl_server_get_client_hashes(cc
);
333 fprintf(stderr
, "Client parameters:\n");
334 fprintf(stderr
, " Maximum version: ");
335 switch (cc
->client_max_version
) {
337 fprintf(stderr
, "SSL 3.0");
340 fprintf(stderr
, "TLS 1.0");
343 fprintf(stderr
, "TLS 1.1");
346 fprintf(stderr
, "TLS 1.2");
349 fprintf(stderr
, "unknown (0x%04X)",
350 (unsigned)cc
->client_max_version
);
353 fprintf(stderr
, "\n");
354 fprintf(stderr
, " Compatible cipher suites:\n");
355 for (u
= 0; u
< st_num
; u
++) {
358 get_suite_name_ext(st
[u
][0], csn
, sizeof csn
);
359 fprintf(stderr
, " %s\n", csn
);
361 fprintf(stderr
, " Common sign+hash functions:\n");
362 if ((chashes
& 0xFF) != 0) {
363 fprintf(stderr
, " with RSA:");
364 print_hashes(chashes
);
365 fprintf(stderr
, "\n");
367 if ((chashes
>> 8) != 0) {
368 fprintf(stderr
, " with ECDSA:");
369 print_hashes(chashes
>> 8);
370 fprintf(stderr
, "\n");
373 for (u
= 0; u
< st_num
; u
++) {
379 if (pc
->sk
->key_type
== BR_KEYTYPE_RSA
) {
380 choices
->cipher_suite
= st
[u
][0];
384 case BR_SSLKEYX_ECDHE_RSA
:
385 if (pc
->sk
->key_type
== BR_KEYTYPE_RSA
) {
386 choices
->cipher_suite
= st
[u
][0];
387 if (br_ssl_engine_get_version(&cc
->eng
)
391 choices
->algo_id
= 0x0001;
393 choices
->algo_id
= 0xFF00;
398 id
= choose_hash(chashes
);
403 choices
->algo_id
= 0xFF00 + id
;
409 case BR_SSLKEYX_ECDHE_ECDSA
:
410 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
) {
411 choices
->cipher_suite
= st
[u
][0];
412 if (br_ssl_engine_get_version(&cc
->eng
)
416 choices
->algo_id
= 0x0203;
424 id
= choose_hash(chashes
>> 8);
436 case BR_SSLKEYX_ECDH_RSA
:
437 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
438 && pc
->cert_signer_algo
== BR_KEYTYPE_RSA
)
440 choices
->cipher_suite
= st
[u
][0];
444 case BR_SSLKEYX_ECDH_ECDSA
:
445 if (pc
->sk
->key_type
== BR_KEYTYPE_EC
446 && pc
->cert_signer_algo
== BR_KEYTYPE_EC
)
448 choices
->cipher_suite
= st
[u
][0];
457 choices
->chain
= pc
->chain
;
458 choices
->chain_len
= pc
->chain_len
;
462 get_suite_name_ext(choices
->cipher_suite
, csn
, sizeof csn
);
463 fprintf(stderr
, "Using: %s\n", csn
);
469 sp_do_keyx(const br_ssl_server_policy_class
**pctx
,
470 unsigned char *data
, size_t *len
)
476 pc
= (policy_context
*)pctx
;
477 switch (pc
->sk
->key_type
) {
479 return br_rsa_ssl_decrypt(
480 &br_rsa_i31_private
, &pc
->sk
->key
.rsa
,
483 r
= br_ec_all_m15
.mul(data
, *len
, pc
->sk
->key
.ec
.x
,
484 pc
->sk
->key
.ec
.xlen
, pc
->sk
->key
.ec
.curve
);
485 xoff
= br_ec_all_m15
.xoff(pc
->sk
->key
.ec
.curve
, &xlen
);
486 memmove(data
, data
+ xoff
, xlen
);
490 fprintf(stderr
, "ERROR: unknown private key type (%d)\n",
491 (int)pc
->sk
->key_type
);
497 sp_do_sign(const br_ssl_server_policy_class
**pctx
,
498 unsigned algo_id
, unsigned char *data
, size_t hv_len
, size_t len
)
501 unsigned char hv
[64];
503 pc
= (policy_context
*)pctx
;
504 if (algo_id
>= 0xFF00) {
506 memcpy(hv
, data
, hv_len
);
508 const br_hash_class
*hc
;
509 br_hash_compat_context zc
;
512 fprintf(stderr
, "Callback hashing, algo = 0x%04X,"
514 algo_id
, (unsigned long)hv_len
);
517 hc
= get_hash_impl(algo_id
);
521 "ERROR: unsupported hash function %u\n",
526 hc
->init(&zc
.vtable
);
527 hc
->update(&zc
.vtable
, data
, hv_len
);
528 hc
->out(&zc
.vtable
, hv
);
529 hv_len
= (hc
->desc
>> BR_HASHDESC_OUT_OFF
)
530 & BR_HASHDESC_OUT_MASK
;
532 switch (pc
->sk
->key_type
) {
535 const unsigned char *hash_oid
;
536 const br_hash_class
*hc
;
539 hash_oid
= get_hash_oid(algo_id
);
540 if (hash_oid
== NULL
&& algo_id
!= 0) {
542 fprintf(stderr
, "ERROR: cannot RSA-sign with"
543 " unknown hash function: %u\n",
548 sig_len
= (pc
->sk
->key
.rsa
.n_bitlen
+ 7) >> 3;
551 fprintf(stderr
, "ERROR: cannot RSA-sign,"
552 " buffer is too small"
553 " (sig=%lu, buf=%lu)\n",
554 (unsigned long)sig_len
,
559 x
= br_rsa_i31_pkcs1_sign(hash_oid
, hv
, hv_len
,
560 &pc
->sk
->key
.rsa
, data
);
563 fprintf(stderr
, "ERROR: RSA-sign failure\n");
570 hc
= get_hash_impl(algo_id
);
573 fprintf(stderr
, "ERROR: cannot ECDSA-sign with"
574 " unknown hash function: %u\n",
581 fprintf(stderr
, "ERROR: cannot ECDSA-sign"
582 " (output buffer = %lu)\n",
587 sig_len
= br_ecdsa_i31_sign_asn1(&br_ec_all_m15
,
588 hc
, hv
, &pc
->sk
->key
.ec
, data
);
591 fprintf(stderr
, "ERROR: ECDSA-sign failure\n");
602 static const br_ssl_server_policy_class policy_vtable
= {
603 sizeof(policy_context
),
610 free_alpn(void *alpn
)
612 xfree(*(char **)alpn
);
617 do_server(int argc
, char *argv
[])
623 const char *bind_name
;
626 cipher_suite
*suites
;
631 br_x509_certificate
*chain
;
633 int cert_signer_algo
;
635 anchor_list anchors
= VEC_INIT
;
636 VECTOR(char *) alpn_names
= VEC_INIT
;
637 br_x509_minimal_context xc
;
638 const br_hash_class
*dnhash
;
640 br_ssl_server_context cc
;
642 br_ssl_session_cache_lru lru
;
643 unsigned char *iobuf
, *cache
;
644 size_t iobuf_len
, cache_len
;
646 SOCKET server_fd
, fd
;
667 cache_len
= (size_t)-1;
669 server_fd
= INVALID_SOCKET
;
671 for (i
= 0; i
< argc
; i
++) {
677 goto server_exit_error
;
679 if (eqstr(arg
, "-v") || eqstr(arg
, "-verbose")) {
681 } else if (eqstr(arg
, "-q") || eqstr(arg
, "-quiet")) {
683 } else if (eqstr(arg
, "-trace")) {
685 } else if (eqstr(arg
, "-b")) {
688 "ERROR: no argument for '-b'\n");
690 goto server_exit_error
;
692 if (bind_name
!= NULL
) {
693 fprintf(stderr
, "ERROR: duplicate bind host\n");
695 goto server_exit_error
;
698 } else if (eqstr(arg
, "-p")) {
701 "ERROR: no argument for '-p'\n");
703 goto server_exit_error
;
706 fprintf(stderr
, "ERROR: duplicate bind port\n");
708 goto server_exit_error
;
711 } else if (eqstr(arg
, "-mono")) {
713 } else if (eqstr(arg
, "-buf")) {
716 "ERROR: no argument for '-buf'\n");
718 goto server_exit_error
;
721 if (iobuf_len
!= 0) {
723 "ERROR: duplicate I/O buffer length\n");
725 goto server_exit_error
;
727 iobuf_len
= parse_size(arg
);
728 if (iobuf_len
== (size_t)-1) {
730 goto server_exit_error
;
732 } else if (eqstr(arg
, "-cache")) {
735 "ERROR: no argument for '-cache'\n");
737 goto server_exit_error
;
740 if (cache_len
!= (size_t)-1) {
741 fprintf(stderr
, "ERROR: duplicate session"
744 goto server_exit_error
;
746 cache_len
= parse_size(arg
);
747 if (cache_len
== (size_t)-1) {
749 goto server_exit_error
;
751 } else if (eqstr(arg
, "-cert")) {
754 "ERROR: no argument for '-cert'\n");
756 goto server_exit_error
;
760 "ERROR: duplicate certificate chain\n");
762 goto server_exit_error
;
765 chain
= read_certificates(arg
, &chain_len
);
766 if (chain
== NULL
|| chain_len
== 0) {
767 goto server_exit_error
;
769 } else if (eqstr(arg
, "-key")) {
772 "ERROR: no argument for '-key'\n");
774 goto server_exit_error
;
778 "ERROR: duplicate private key\n");
780 goto server_exit_error
;
783 sk
= read_private_key(arg
);
785 goto server_exit_error
;
787 } else if (eqstr(arg
, "-CA")) {
790 "ERROR: no argument for '-CA'\n");
792 goto server_exit_error
;
795 if (read_trust_anchors(&anchors
, arg
) == 0) {
797 goto server_exit_error
;
799 } else if (eqstr(arg
, "-anon_ok")) {
800 flags
|= BR_OPT_TOLERATE_NO_CLIENT_AUTH
;
801 } else if (eqstr(arg
, "-list")) {
804 } else if (eqstr(arg
, "-vmin")) {
807 "ERROR: no argument for '-vmin'\n");
809 goto server_exit_error
;
814 "ERROR: duplicate minimum version\n");
816 goto server_exit_error
;
818 vmin
= parse_version(arg
, strlen(arg
));
821 "ERROR: unrecognised version '%s'\n",
824 goto server_exit_error
;
826 } else if (eqstr(arg
, "-vmax")) {
829 "ERROR: no argument for '-vmax'\n");
831 goto server_exit_error
;
836 "ERROR: duplicate maximum version\n");
838 goto server_exit_error
;
840 vmax
= parse_version(arg
, strlen(arg
));
843 "ERROR: unrecognised version '%s'\n",
846 goto server_exit_error
;
848 } else if (eqstr(arg
, "-cs")) {
851 "ERROR: no argument for '-cs'\n");
853 goto server_exit_error
;
856 if (suites
!= NULL
) {
857 fprintf(stderr
, "ERROR: duplicate list"
858 " of cipher suites\n");
860 goto server_exit_error
;
862 suites
= parse_suites(arg
, &num_suites
);
863 if (suites
== NULL
) {
865 goto server_exit_error
;
867 } else if (eqstr(arg
, "-hf")) {
872 "ERROR: no argument for '-hf'\n");
874 goto server_exit_error
;
877 x
= parse_hash_functions(arg
);
880 goto server_exit_error
;
883 } else if (eqstr(arg
, "-cbhash")) {
885 } else if (eqstr(arg
, "-serverpref")) {
886 flags
|= BR_OPT_ENFORCE_SERVER_PREFERENCES
;
887 } else if (eqstr(arg
, "-noreneg")) {
888 flags
|= BR_OPT_NO_RENEGOTIATION
;
889 } else if (eqstr(arg
, "-alpn")) {
892 "ERROR: no argument for '-alpn'\n");
894 goto server_exit_error
;
896 VEC_ADD(alpn_names
, xstrdup(argv
[i
]));
897 } else if (eqstr(arg
, "-strictalpn")) {
898 flags
|= BR_OPT_FAIL_ON_ALPN_MISMATCH
;
900 fprintf(stderr
, "ERROR: unknown option: '%s'\n", arg
);
902 goto server_exit_error
;
915 fprintf(stderr
, "ERROR: impossible minimum/maximum protocol"
916 " version combination\n");
918 goto server_exit_error
;
920 if (suites
== NULL
) {
923 for (u
= 0; cipher_suites
[u
].name
; u
++) {
924 if ((cipher_suites
[u
].req
& REQ_TLS12
) == 0
930 suites
= xmalloc(num_suites
* sizeof *suites
);
932 for (u
= 0; cipher_suites
[u
].name
; u
++) {
933 if ((cipher_suites
[u
].req
& REQ_TLS12
) == 0
936 suites
[num_suites
++] = cipher_suites
[u
];
941 hfuns
= (unsigned)-1;
943 if (chain
== NULL
|| chain_len
== 0) {
944 fprintf(stderr
, "ERROR: no certificate chain provided\n");
945 goto server_exit_error
;
948 fprintf(stderr
, "ERROR: no private key provided\n");
949 goto server_exit_error
;
951 switch (sk
->key_type
) {
958 curve
= sk
->key
.ec
.curve
;
959 supp
= br_ec_all_m15
.supported_curves
;
960 if (curve
> 31 || !((supp
>> curve
) & 1)) {
961 fprintf(stderr
, "ERROR: private key curve (%d)"
962 " is not supported\n", curve
);
963 goto server_exit_error
;
967 fprintf(stderr
, "ERROR: unsupported private key type (%d)\n",
971 cert_signer_algo
= get_cert_signer_algo(chain
);
972 if (cert_signer_algo
== 0) {
973 goto server_exit_error
;
978 switch (cert_signer_algo
) {
979 case BR_KEYTYPE_RSA
: csas
= "RSA"; break;
980 case BR_KEYTYPE_EC
: csas
= "EC"; break;
985 fprintf(stderr
, "Issuing CA key type: %d (%s)\n",
986 cert_signer_algo
, csas
);
988 if (iobuf_len
== 0) {
990 iobuf_len
= BR_SSL_BUFSIZE_BIDI
;
992 iobuf_len
= BR_SSL_BUFSIZE_MONO
;
995 iobuf
= xmalloc(iobuf_len
);
996 if (cache_len
== (size_t)-1) {
999 cache
= xmalloc(cache_len
);
1002 * Compute implementation requirements and inject implementations.
1004 suite_ids
= xmalloc(num_suites
* sizeof *suite_ids
);
1005 br_ssl_server_zero(&cc
);
1006 br_ssl_engine_set_versions(&cc
.eng
, vmin
, vmax
);
1007 br_ssl_engine_set_all_flags(&cc
.eng
, flags
);
1008 if (vmin
<= BR_TLS11
) {
1009 if (!(hfuns
& (1 << br_md5_ID
))) {
1010 fprintf(stderr
, "ERROR: TLS 1.0 and 1.1 need MD5\n");
1011 goto server_exit_error
;
1013 if (!(hfuns
& (1 << br_sha1_ID
))) {
1014 fprintf(stderr
, "ERROR: TLS 1.0 and 1.1 need SHA-1\n");
1015 goto server_exit_error
;
1018 for (u
= 0; u
< num_suites
; u
++) {
1021 req
= suites
[u
].req
;
1022 suite_ids
[u
] = suites
[u
].suite
;
1023 if ((req
& REQ_TLS12
) != 0 && vmax
< BR_TLS12
) {
1025 "ERROR: cipher suite %s requires TLS 1.2\n",
1027 goto server_exit_error
;
1029 if ((req
& REQ_SHA1
) != 0 && !(hfuns
& (1 << br_sha1_ID
))) {
1031 "ERROR: cipher suite %s requires SHA-1\n",
1033 goto server_exit_error
;
1035 if ((req
& REQ_SHA256
) != 0 && !(hfuns
& (1 << br_sha256_ID
))) {
1037 "ERROR: cipher suite %s requires SHA-256\n",
1039 goto server_exit_error
;
1041 if ((req
& REQ_SHA384
) != 0 && !(hfuns
& (1 << br_sha384_ID
))) {
1043 "ERROR: cipher suite %s requires SHA-384\n",
1045 goto server_exit_error
;
1047 /* TODO: algorithm implementation selection */
1048 if ((req
& REQ_AESCBC
) != 0) {
1049 br_ssl_engine_set_aes_cbc(&cc
.eng
,
1050 &br_aes_ct_cbcenc_vtable
,
1051 &br_aes_ct_cbcdec_vtable
);
1052 br_ssl_engine_set_cbc(&cc
.eng
,
1053 &br_sslrec_in_cbc_vtable
,
1054 &br_sslrec_out_cbc_vtable
);
1056 if ((req
& REQ_AESGCM
) != 0) {
1057 br_ssl_engine_set_aes_ctr(&cc
.eng
,
1058 &br_aes_ct_ctr_vtable
);
1059 br_ssl_engine_set_ghash(&cc
.eng
,
1061 br_ssl_engine_set_gcm(&cc
.eng
,
1062 &br_sslrec_in_gcm_vtable
,
1063 &br_sslrec_out_gcm_vtable
);
1065 if ((req
& REQ_CHAPOL
) != 0) {
1066 br_ssl_engine_set_chacha20(&cc
.eng
,
1067 &br_chacha20_ct_run
);
1068 br_ssl_engine_set_poly1305(&cc
.eng
,
1069 &br_poly1305_ctmul_run
);
1070 br_ssl_engine_set_chapol(&cc
.eng
,
1071 &br_sslrec_in_chapol_vtable
,
1072 &br_sslrec_out_chapol_vtable
);
1074 if ((req
& REQ_3DESCBC
) != 0) {
1075 br_ssl_engine_set_des_cbc(&cc
.eng
,
1076 &br_des_ct_cbcenc_vtable
,
1077 &br_des_ct_cbcdec_vtable
);
1078 br_ssl_engine_set_cbc(&cc
.eng
,
1079 &br_sslrec_in_cbc_vtable
,
1080 &br_sslrec_out_cbc_vtable
);
1082 if ((req
& (REQ_ECDHE_RSA
| REQ_ECDHE_ECDSA
)) != 0) {
1083 br_ssl_engine_set_ec(&cc
.eng
, &br_ec_all_m15
);
1086 br_ssl_engine_set_suites(&cc
.eng
, suite_ids
, num_suites
);
1089 for (u
= 0; hash_functions
[u
].name
; u
++) {
1090 const br_hash_class
*hc
;
1093 hc
= hash_functions
[u
].hclass
;
1094 id
= (hc
->desc
>> BR_HASHDESC_ID_OFF
) & BR_HASHDESC_ID_MASK
;
1095 if ((hfuns
& ((unsigned)1 << id
)) != 0) {
1097 br_ssl_engine_set_hash(&cc
.eng
, id
, hc
);
1100 if (vmin
<= BR_TLS11
) {
1101 br_ssl_engine_set_prf10(&cc
.eng
, &br_tls10_prf
);
1103 if (vmax
>= BR_TLS12
) {
1104 if ((hfuns
& ((unsigned)1 << br_sha256_ID
)) != 0) {
1105 br_ssl_engine_set_prf_sha256(&cc
.eng
,
1106 &br_tls12_sha256_prf
);
1108 if ((hfuns
& ((unsigned)1 << br_sha384_ID
)) != 0) {
1109 br_ssl_engine_set_prf_sha384(&cc
.eng
,
1110 &br_tls12_sha384_prf
);
1114 br_ssl_session_cache_lru_init(&lru
, cache
, cache_len
);
1115 br_ssl_server_set_cache(&cc
, &lru
.vtable
);
1117 if (VEC_LEN(alpn_names
) != 0) {
1118 br_ssl_engine_set_protocol_names(&cc
.eng
,
1119 (const char **)&VEC_ELT(alpn_names
, 0),
1120 VEC_LEN(alpn_names
));
1124 * Set the policy handler (that chooses the actual cipher suite,
1125 * selects the certificate chain, and runs the private key
1128 pc
.vtable
= &policy_vtable
;
1129 pc
.verbose
= verbose
;
1131 pc
.chain_len
= chain_len
;
1132 pc
.cert_signer_algo
= cert_signer_algo
;
1135 br_ssl_server_set_policy(&cc
, &pc
.vtable
);
1138 * If trust anchors have been configured, then set an X.509
1139 * validation engine and activate client certificate
1142 if (VEC_LEN(anchors
) != 0) {
1143 br_x509_minimal_init(&xc
, dnhash
,
1144 &VEC_ELT(anchors
, 0), VEC_LEN(anchors
));
1145 for (u
= 0; hash_functions
[u
].name
; u
++) {
1146 const br_hash_class
*hc
;
1149 hc
= hash_functions
[u
].hclass
;
1150 id
= (hc
->desc
>> BR_HASHDESC_ID_OFF
)
1151 & BR_HASHDESC_ID_MASK
;
1152 if ((hfuns
& ((unsigned)1 << id
)) != 0) {
1153 br_x509_minimal_set_hash(&xc
, id
, hc
);
1156 br_ssl_engine_set_rsavrfy(&cc
.eng
, &br_rsa_i31_pkcs1_vrfy
);
1157 br_ssl_engine_set_ec(&cc
.eng
, &br_ec_all_m15
);
1158 br_ssl_engine_set_ecdsa(&cc
.eng
, &br_ecdsa_i31_vrfy_asn1
);
1159 br_x509_minimal_set_rsa(&xc
, &br_rsa_i31_pkcs1_vrfy
);
1160 br_x509_minimal_set_ecdsa(&xc
,
1161 &br_ec_all_m15
, &br_ecdsa_i31_vrfy_asn1
);
1162 br_ssl_engine_set_x509(&cc
.eng
, &xc
.vtable
);
1163 br_ssl_server_set_trust_anchor_names_alt(&cc
,
1164 &VEC_ELT(anchors
, 0), VEC_LEN(anchors
));
1167 br_ssl_engine_set_buffer(&cc
.eng
, iobuf
, iobuf_len
, bidi
);
1170 * On Unix systems, we need to ignore SIGPIPE.
1173 signal(SIGPIPE
, SIG_IGN
);
1177 * Open the server socket.
1179 server_fd
= host_bind(bind_name
, port
, verbose
);
1180 if (server_fd
== INVALID_SOCKET
) {
1181 goto server_exit_error
;
1185 * Process incoming clients, one at a time. Note that we do not
1186 * accept any client until the previous connection has finished:
1187 * this is voluntary, since the tool uses stdin/stdout for
1188 * application data, and thus cannot really run two connections
1194 fd
= accept_client(server_fd
, verbose
);
1195 if (fd
== INVALID_SOCKET
) {
1196 goto server_exit_error
;
1198 br_ssl_server_reset(&cc
);
1199 x
= run_ssl_engine(&cc
.eng
, fd
,
1200 (verbose
? RUN_ENGINE_VERBOSE
: 0)
1201 | (trace
? RUN_ENGINE_TRACE
: 0));
1207 fd
= INVALID_SOCKET
;
1209 goto server_exit_error
;
1214 * Release allocated structures.
1219 free_certificates(chain
, chain_len
);
1220 free_private_key(sk
);
1221 VEC_CLEAREXT(anchors
, &free_ta_contents
);
1222 VEC_CLEAREXT(alpn_names
, &free_alpn
);
1225 if (fd
!= INVALID_SOCKET
) {