1 /* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
114 #include <string.h> /* for memcpy() and strcmp() */
120 #include <openssl/err.h>
121 #include <openssl/rand.h>
122 #include <openssl/x509.h>
123 #include <openssl/ssl.h>
126 #define COOKIE_SECRET_LENGTH 16
128 int verify_depth = 0;
129 int verify_quiet = 0;
130 int verify_error = X509_V_OK;
131 int verify_return_error = 0;
132 unsigned char cookie_secret[COOKIE_SECRET_LENGTH];
133 int cookie_initialized = 0;
135 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
140 err_cert = X509_STORE_CTX_get_current_cert(ctx);
141 err = X509_STORE_CTX_get_error(ctx);
142 depth = X509_STORE_CTX_get_error_depth(ctx);
144 if (!verify_quiet || !ok) {
145 BIO_printf(bio_err, "depth=%d ", depth);
147 X509_NAME_print_ex(bio_err,
148 X509_get_subject_name(err_cert),
150 BIO_puts(bio_err, "\n");
152 BIO_puts(bio_err, "<no cert>\n");
155 BIO_printf(bio_err, "verify error:num=%d:%s\n", err,
156 X509_verify_cert_error_string(err));
157 if (verify_depth >= depth) {
158 if (!verify_return_error)
160 verify_error = X509_V_OK;
163 verify_error = X509_V_ERR_CERT_CHAIN_TOO_LONG;
167 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
168 BIO_puts(bio_err, "issuer= ");
169 X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert),
171 BIO_puts(bio_err, "\n");
173 case X509_V_ERR_CERT_NOT_YET_VALID:
174 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
175 BIO_printf(bio_err, "notBefore=");
176 ASN1_TIME_print(bio_err, X509_get_notBefore(err_cert));
177 BIO_printf(bio_err, "\n");
179 case X509_V_ERR_CERT_HAS_EXPIRED:
180 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
181 BIO_printf(bio_err, "notAfter=");
182 ASN1_TIME_print(bio_err, X509_get_notAfter(err_cert));
183 BIO_printf(bio_err, "\n");
185 case X509_V_ERR_NO_EXPLICIT_POLICY:
187 policies_print(bio_err, ctx);
190 if (err == X509_V_OK && ok == 2 && !verify_quiet)
191 policies_print(bio_err, ctx);
192 if (ok && !verify_quiet)
193 BIO_printf(bio_err, "verify return:%d\n", ok);
197 int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
199 if (cert_file != NULL) {
205 if (SSL_CTX_use_certificate_file(ctx, cert_file,
206 SSL_FILETYPE_PEM) <= 0) {
207 BIO_printf(bio_err, "unable to get certificate from '%s'\n",
209 ERR_print_errors(bio_err);
212 if (key_file == NULL)
213 key_file = cert_file;
214 if (SSL_CTX_use_PrivateKey_file(ctx, key_file, SSL_FILETYPE_PEM) <= 0) {
215 BIO_printf(bio_err, "unable to get private key from '%s'\n",
217 ERR_print_errors(bio_err);
222 In theory this is no longer needed
224 x509=SSL_get_certificate(ssl);
228 pktmp = X509_get_pubkey(x509);
229 EVP_PKEY_copy_parameters(pktmp,
230 SSL_get_privatekey(ssl));
231 EVP_PKEY_free(pktmp);
237 * If we are using DSA, we can copy the parameters from the private
242 * Now we know that a key and cert have been set against the SSL
245 if (!SSL_CTX_check_private_key(ctx)) {
247 "Private key does not match the certificate public key\n");
254 int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key,
255 STACK_OF(X509) *chain, int build_chain)
257 int chflags = chain ? SSL_BUILD_CHAIN_FLAG_CHECK : 0;
260 if (SSL_CTX_use_certificate(ctx, cert) <= 0) {
261 BIO_printf(bio_err, "error setting certificate\n");
262 ERR_print_errors(bio_err);
266 if (SSL_CTX_use_PrivateKey(ctx, key) <= 0) {
267 BIO_printf(bio_err, "error setting private key\n");
268 ERR_print_errors(bio_err);
273 * Now we know that a key and cert have been set against the SSL context
275 if (!SSL_CTX_check_private_key(ctx)) {
277 "Private key does not match the certificate public key\n");
280 if (chain && !SSL_CTX_set1_chain(ctx, chain)) {
281 BIO_printf(bio_err, "error setting certificate chain\n");
282 ERR_print_errors(bio_err);
285 if (build_chain && !SSL_CTX_build_cert_chain(ctx, chflags)) {
286 BIO_printf(bio_err, "error building certificate chain\n");
287 ERR_print_errors(bio_err);
293 static void ssl_print_client_cert_types(BIO *bio, SSL *s)
295 const unsigned char *p;
297 int cert_type_num = SSL_get0_certificate_types(s, &p);
300 BIO_puts(bio, "Client Certificate Types: ");
301 for (i = 0; i < cert_type_num; i++) {
302 unsigned char cert_type = p[i];
305 case TLS_CT_RSA_SIGN:
309 case TLS_CT_DSS_SIGN:
313 case TLS_CT_RSA_FIXED_DH:
314 cname = "RSA fixed DH";
317 case TLS_CT_DSS_FIXED_DH:
318 cname = "DSS fixed DH";
321 case TLS_CT_ECDSA_SIGN:
322 cname = "ECDSA sign";
325 case TLS_CT_RSA_FIXED_ECDH:
326 cname = "RSA fixed ECDH";
329 case TLS_CT_ECDSA_FIXED_ECDH:
330 cname = "ECDSA fixed ECDH";
333 case TLS_CT_GOST94_SIGN:
334 cname = "GOST94 Sign";
337 case TLS_CT_GOST01_SIGN:
338 cname = "GOST01 Sign";
349 BIO_puts(bio, cname);
351 BIO_printf(bio, "UNKNOWN (%d),", cert_type);
356 static int do_print_sigalgs(BIO *out, SSL *s, int shared)
359 client = SSL_is_server(s) ? 0 : 1;
361 nsig = SSL_get_shared_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
363 nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
368 BIO_puts(out, "Shared ");
371 BIO_puts(out, "Requested ");
372 BIO_puts(out, "Signature Algorithms: ");
373 for (i = 0; i < nsig; i++) {
374 int hash_nid, sign_nid;
375 unsigned char rhash, rsign;
376 const char *sstr = NULL;
378 SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
381 SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL, &rsign, &rhash);
384 if (sign_nid == EVP_PKEY_RSA)
386 else if (sign_nid == EVP_PKEY_DSA)
388 else if (sign_nid == EVP_PKEY_EC)
391 BIO_printf(out, "%s+", sstr);
393 BIO_printf(out, "0x%02X+", (int)rsign);
394 if (hash_nid != NID_undef)
395 BIO_printf(out, "%s", OBJ_nid2sn(hash_nid));
397 BIO_printf(out, "0x%02X", (int)rhash);
403 int ssl_print_sigalgs(BIO *out, SSL *s)
406 if (!SSL_is_server(s))
407 ssl_print_client_cert_types(out, s);
408 do_print_sigalgs(out, s, 0);
409 do_print_sigalgs(out, s, 1);
410 if (SSL_get_peer_signature_nid(s, &mdnid))
411 BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(mdnid));
415 #ifndef OPENSSL_NO_EC
416 int ssl_print_point_formats(BIO *out, SSL *s)
419 const char *pformats;
420 nformats = SSL_get0_ec_point_formats(s, &pformats);
423 BIO_puts(out, "Supported Elliptic Curve Point Formats: ");
424 for (i = 0; i < nformats; i++, pformats++) {
428 case TLSEXT_ECPOINTFORMAT_uncompressed:
429 BIO_puts(out, "uncompressed");
432 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime:
433 BIO_puts(out, "ansiX962_compressed_prime");
436 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2:
437 BIO_puts(out, "ansiX962_compressed_char2");
441 BIO_printf(out, "unknown(%d)", (int)*pformats);
447 BIO_puts(out, "NONE");
452 int ssl_print_curves(BIO *out, SSL *s, int noshared)
454 int i, ncurves, *curves, nid;
456 ncurves = SSL_get1_curves(s, NULL);
459 curves = OPENSSL_malloc(ncurves * sizeof(int));
461 BIO_puts(out, "Malloc error getting supported curves\n");
464 SSL_get1_curves(s, curves);
467 BIO_puts(out, "Supported Elliptic Curves: ");
468 for (i = 0; i < ncurves; i++) {
472 /* If unrecognised print out hex version */
473 if (nid & TLSEXT_nid_unknown)
474 BIO_printf(out, "0x%04X", nid & 0xFFFF);
476 /* Use NIST name for curve if it exists */
477 cname = EC_curve_nid2nist(nid);
479 cname = OBJ_nid2sn(nid);
480 BIO_printf(out, "%s", cname);
484 BIO_puts(out, "NONE");
485 OPENSSL_free(curves);
490 BIO_puts(out, "\nShared Elliptic curves: ");
491 ncurves = SSL_get_shared_curve(s, -1);
492 for (i = 0; i < ncurves; i++) {
495 nid = SSL_get_shared_curve(s, i);
496 cname = EC_curve_nid2nist(nid);
498 cname = OBJ_nid2sn(nid);
499 BIO_printf(out, "%s", cname);
502 BIO_puts(out, "NONE");
507 int ssl_print_tmp_key(BIO *out, SSL *s)
510 if (!SSL_get_server_tmp_key(s, &key))
512 BIO_puts(out, "Server Temp Key: ");
513 switch (EVP_PKEY_id(key)) {
515 BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key));
519 BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key));
521 #ifndef OPENSSL_NO_ECDH
524 EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key);
527 nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
529 cname = EC_curve_nid2nist(nid);
531 cname = OBJ_nid2sn(nid);
532 BIO_printf(out, "ECDH, %s, %d bits\n", cname, EVP_PKEY_bits(key));
540 long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
541 int argi, long argl, long ret)
545 out = (BIO *)BIO_get_callback_arg(bio);
549 if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) {
550 BIO_printf(out, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
551 (void *)bio, argp, (unsigned long)argi, ret, ret);
552 BIO_dump(out, argp, (int)ret);
554 } else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) {
555 BIO_printf(out, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
556 (void *)bio, argp, (unsigned long)argi, ret, ret);
557 BIO_dump(out, argp, (int)ret);
562 void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
567 w = where & ~SSL_ST_MASK;
569 if (w & SSL_ST_CONNECT)
571 else if (w & SSL_ST_ACCEPT)
576 if (where & SSL_CB_LOOP) {
577 BIO_printf(bio_err, "%s:%s\n", str, SSL_state_string_long(s));
578 } else if (where & SSL_CB_ALERT) {
579 str = (where & SSL_CB_READ) ? "read" : "write";
580 BIO_printf(bio_err, "SSL3 alert %s:%s:%s\n",
582 SSL_alert_type_string_long(ret),
583 SSL_alert_desc_string_long(ret));
584 } else if (where & SSL_CB_EXIT) {
586 BIO_printf(bio_err, "%s:failed in %s\n",
587 str, SSL_state_string_long(s));
589 BIO_printf(bio_err, "%s:error in %s\n",
590 str, SSL_state_string_long(s));
595 void MS_CALLBACK msg_cb(int write_p, int version, int content_type,
596 const void *buf, size_t len, SSL *ssl, void *arg)
599 const char *str_write_p, *str_version, *str_content_type =
600 "", *str_details1 = "", *str_details2 = "";
602 str_write_p = write_p ? ">>>" : "<<<";
606 str_version = "SSL 2.0";
609 str_version = "SSL 3.0 ";
612 str_version = "TLS 1.0 ";
615 str_version = "TLS 1.1 ";
618 str_version = "TLS 1.2 ";
621 str_version = "DTLS 1.0 ";
624 str_version = "DTLS 1.0 (bad) ";
630 if (version == SSL2_VERSION) {
631 str_details1 = "???";
634 switch (((const unsigned char *)buf)[0]) {
636 str_details1 = ", ERROR:";
637 str_details2 = " ???";
640 (((const unsigned char *)buf)[1] << 8) +
641 ((const unsigned char *)buf)[2];
645 str_details2 = " NO-CIPHER-ERROR";
648 str_details2 = " NO-CERTIFICATE-ERROR";
651 str_details2 = " BAD-CERTIFICATE-ERROR";
654 str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
661 str_details1 = ", CLIENT-HELLO";
664 str_details1 = ", CLIENT-MASTER-KEY";
667 str_details1 = ", CLIENT-FINISHED";
670 str_details1 = ", SERVER-HELLO";
673 str_details1 = ", SERVER-VERIFY";
676 str_details1 = ", SERVER-FINISHED";
679 str_details1 = ", REQUEST-CERTIFICATE";
682 str_details1 = ", CLIENT-CERTIFICATE";
688 if (version == SSL3_VERSION ||
689 version == TLS1_VERSION ||
690 version == TLS1_1_VERSION ||
691 version == TLS1_2_VERSION ||
692 version == DTLS1_VERSION || version == DTLS1_BAD_VER) {
693 switch (content_type) {
695 str_content_type = "ChangeCipherSpec";
698 str_content_type = "Alert";
701 str_content_type = "Handshake";
705 if (content_type == 21) { /* Alert */
706 str_details1 = ", ???";
709 switch (((const unsigned char *)buf)[0]) {
711 str_details1 = ", warning";
714 str_details1 = ", fatal";
718 str_details2 = " ???";
719 switch (((const unsigned char *)buf)[1]) {
721 str_details2 = " close_notify";
724 str_details2 = " unexpected_message";
727 str_details2 = " bad_record_mac";
730 str_details2 = " decryption_failed";
733 str_details2 = " record_overflow";
736 str_details2 = " decompression_failure";
739 str_details2 = " handshake_failure";
742 str_details2 = " bad_certificate";
745 str_details2 = " unsupported_certificate";
748 str_details2 = " certificate_revoked";
751 str_details2 = " certificate_expired";
754 str_details2 = " certificate_unknown";
757 str_details2 = " illegal_parameter";
760 str_details2 = " unknown_ca";
763 str_details2 = " access_denied";
766 str_details2 = " decode_error";
769 str_details2 = " decrypt_error";
772 str_details2 = " export_restriction";
775 str_details2 = " protocol_version";
778 str_details2 = " insufficient_security";
781 str_details2 = " internal_error";
784 str_details2 = " user_canceled";
787 str_details2 = " no_renegotiation";
790 str_details2 = " unsupported_extension";
793 str_details2 = " certificate_unobtainable";
796 str_details2 = " unrecognized_name";
799 str_details2 = " bad_certificate_status_response";
802 str_details2 = " bad_certificate_hash_value";
805 str_details2 = " unknown_psk_identity";
811 if (content_type == 22) { /* Handshake */
812 str_details1 = "???";
815 switch (((const unsigned char *)buf)[0]) {
817 str_details1 = ", HelloRequest";
820 str_details1 = ", ClientHello";
823 str_details1 = ", ServerHello";
826 str_details1 = ", HelloVerifyRequest";
829 str_details1 = ", Certificate";
832 str_details1 = ", ServerKeyExchange";
835 str_details1 = ", CertificateRequest";
838 str_details1 = ", ServerHelloDone";
841 str_details1 = ", CertificateVerify";
844 str_details1 = ", ClientKeyExchange";
847 str_details1 = ", Finished";
852 #ifndef OPENSSL_NO_HEARTBEATS
853 if (content_type == 24) { /* Heartbeat */
854 str_details1 = ", Heartbeat";
857 switch (((const unsigned char *)buf)[0]) {
859 str_details1 = ", HeartbeatRequest";
862 str_details1 = ", HeartbeatResponse";
870 BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version,
871 str_content_type, (unsigned long)len, str_details1,
877 BIO_printf(bio, " ");
883 for (i = 0; i < num; i++) {
884 if (i % 16 == 0 && i > 0)
885 BIO_printf(bio, "\n ");
886 BIO_printf(bio, " %02x", ((const unsigned char *)buf)[i]);
889 BIO_printf(bio, " ...");
890 BIO_printf(bio, "\n");
892 (void)BIO_flush(bio);
895 void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
896 unsigned char *data, int len, void *arg)
902 case TLSEXT_TYPE_server_name:
903 extname = "server name";
906 case TLSEXT_TYPE_max_fragment_length:
907 extname = "max fragment length";
910 case TLSEXT_TYPE_client_certificate_url:
911 extname = "client certificate URL";
914 case TLSEXT_TYPE_trusted_ca_keys:
915 extname = "trusted CA keys";
918 case TLSEXT_TYPE_truncated_hmac:
919 extname = "truncated HMAC";
922 case TLSEXT_TYPE_status_request:
923 extname = "status request";
926 case TLSEXT_TYPE_user_mapping:
927 extname = "user mapping";
930 case TLSEXT_TYPE_client_authz:
931 extname = "client authz";
934 case TLSEXT_TYPE_server_authz:
935 extname = "server authz";
938 case TLSEXT_TYPE_cert_type:
939 extname = "cert type";
942 case TLSEXT_TYPE_elliptic_curves:
943 extname = "elliptic curves";
946 case TLSEXT_TYPE_ec_point_formats:
947 extname = "EC point formats";
950 case TLSEXT_TYPE_srp:
954 case TLSEXT_TYPE_signature_algorithms:
955 extname = "signature algorithms";
958 case TLSEXT_TYPE_use_srtp:
959 extname = "use SRTP";
962 case TLSEXT_TYPE_heartbeat:
963 extname = "heartbeat";
966 case TLSEXT_TYPE_session_ticket:
967 extname = "session ticket";
970 case TLSEXT_TYPE_renegotiate:
971 extname = "renegotiation info";
974 #ifdef TLSEXT_TYPE_opaque_prf_input
975 case TLSEXT_TYPE_opaque_prf_input:
976 extname = "opaque PRF input";
979 #ifdef TLSEXT_TYPE_next_proto_neg
980 case TLSEXT_TYPE_next_proto_neg:
981 extname = "next protocol";
984 #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
985 case TLSEXT_TYPE_application_layer_protocol_negotiation:
986 extname = "application layer protocol negotiation";
990 case TLSEXT_TYPE_padding:
991 extname = "TLS padding";
1000 BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
1001 client_server ? "server" : "client", extname, type, len);
1002 BIO_dump(bio, (char *)data, len);
1003 (void)BIO_flush(bio);
1006 int MS_CALLBACK generate_cookie_callback(SSL *ssl, unsigned char *cookie,
1007 unsigned int *cookie_len)
1009 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
1010 unsigned int length, resultlength;
1013 struct sockaddr_in s4;
1014 #if OPENSSL_USE_IPV6
1015 struct sockaddr_in6 s6;
1019 /* Initialize a random secret */
1020 if (!cookie_initialized) {
1021 if (RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH) <= 0) {
1022 BIO_printf(bio_err, "error setting random cookie secret\n");
1025 cookie_initialized = 1;
1028 /* Read peer information */
1029 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
1031 /* Create buffer with peer's address and port */
1033 switch (peer.sa.sa_family) {
1035 length += sizeof(struct in_addr);
1036 length += sizeof(peer.s4.sin_port);
1038 #if OPENSSL_USE_IPV6
1040 length += sizeof(struct in6_addr);
1041 length += sizeof(peer.s6.sin6_port);
1048 buffer = OPENSSL_malloc(length);
1050 if (buffer == NULL) {
1051 BIO_printf(bio_err, "out of memory\n");
1055 switch (peer.sa.sa_family) {
1057 memcpy(buffer, &peer.s4.sin_port, sizeof(peer.s4.sin_port));
1058 memcpy(buffer + sizeof(peer.s4.sin_port),
1059 &peer.s4.sin_addr, sizeof(struct in_addr));
1061 #if OPENSSL_USE_IPV6
1063 memcpy(buffer, &peer.s6.sin6_port, sizeof(peer.s6.sin6_port));
1064 memcpy(buffer + sizeof(peer.s6.sin6_port),
1065 &peer.s6.sin6_addr, sizeof(struct in6_addr));
1073 /* Calculate HMAC of buffer using the secret */
1074 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
1075 buffer, length, result, &resultlength);
1076 OPENSSL_free(buffer);
1078 memcpy(cookie, result, resultlength);
1079 *cookie_len = resultlength;
1084 int MS_CALLBACK verify_cookie_callback(SSL *ssl, unsigned char *cookie,
1085 unsigned int cookie_len)
1087 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
1088 unsigned int length, resultlength;
1091 struct sockaddr_in s4;
1092 #if OPENSSL_USE_IPV6
1093 struct sockaddr_in6 s6;
1097 /* If secret isn't initialized yet, the cookie can't be valid */
1098 if (!cookie_initialized)
1101 /* Read peer information */
1102 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
1104 /* Create buffer with peer's address and port */
1106 switch (peer.sa.sa_family) {
1108 length += sizeof(struct in_addr);
1109 length += sizeof(peer.s4.sin_port);
1111 #if OPENSSL_USE_IPV6
1113 length += sizeof(struct in6_addr);
1114 length += sizeof(peer.s6.sin6_port);
1121 buffer = OPENSSL_malloc(length);
1123 if (buffer == NULL) {
1124 BIO_printf(bio_err, "out of memory\n");
1128 switch (peer.sa.sa_family) {
1130 memcpy(buffer, &peer.s4.sin_port, sizeof(peer.s4.sin_port));
1131 memcpy(buffer + sizeof(peer.s4.sin_port),
1132 &peer.s4.sin_addr, sizeof(struct in_addr));
1134 #if OPENSSL_USE_IPV6
1136 memcpy(buffer, &peer.s6.sin6_port, sizeof(peer.s6.sin6_port));
1137 memcpy(buffer + sizeof(peer.s6.sin6_port),
1138 &peer.s6.sin6_addr, sizeof(struct in6_addr));
1146 /* Calculate HMAC of buffer using the secret */
1147 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
1148 buffer, length, result, &resultlength);
1149 OPENSSL_free(buffer);
1151 if (cookie_len == resultlength
1152 && memcmp(result, cookie, resultlength) == 0)
1159 * Example of extended certificate handling. Where the standard support of
1160 * one certificate per algorithm is not sufficient an application can decide
1161 * which certificate(s) to use at runtime based on whatever criteria it deems
1165 /* Linked list of certificates, keys and chains */
1166 struct ssl_excert_st {
1168 const char *certfile;
1170 const char *keyfile;
1171 const char *chainfile;
1174 STACK_OF(X509) *chain;
1176 struct ssl_excert_st *next, *prev;
1179 struct chain_flags {
1184 struct chain_flags chain_flags_list[] = {
1185 {CERT_PKEY_VALID, "Overall Validity"},
1186 {CERT_PKEY_SIGN, "Sign with EE key"},
1187 {CERT_PKEY_EE_SIGNATURE, "EE signature"},
1188 {CERT_PKEY_CA_SIGNATURE, "CA signature"},
1189 {CERT_PKEY_EE_PARAM, "EE key parameters"},
1190 {CERT_PKEY_CA_PARAM, "CA key parameters"},
1191 {CERT_PKEY_EXPLICIT_SIGN, "Explicity sign with EE key"},
1192 {CERT_PKEY_ISSUER_NAME, "Issuer Name"},
1193 {CERT_PKEY_CERT_TYPE, "Certificate Type"},
1197 static void print_chain_flags(BIO *out, SSL *s, int flags)
1199 struct chain_flags *ctmp = chain_flags_list;
1200 while (ctmp->name) {
1201 BIO_printf(out, "\t%s: %s\n", ctmp->name,
1202 flags & ctmp->flag ? "OK" : "NOT OK");
1205 BIO_printf(out, "\tSuite B: ");
1206 if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS)
1207 BIO_puts(out, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n");
1209 BIO_printf(out, "not tested\n");
1213 * Very basic selection callback: just use any certificate chain reported as
1214 * valid. More sophisticated could prioritise according to local policy.
1216 static int set_cert_cb(SSL *ssl, void *arg)
1219 SSL_EXCERT *exc = arg;
1220 #ifdef CERT_CB_TEST_RETRY
1221 static int retry_cnt;
1222 if (retry_cnt < 5) {
1224 fprintf(stderr, "Certificate callback retry test: count %d\n",
1229 SSL_certs_clear(ssl);
1235 * Go to end of list and traverse backwards since we prepend newer
1236 * entries this retains the original order.
1245 rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain);
1246 BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i);
1247 X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0,
1249 BIO_puts(bio_err, "\n");
1251 print_chain_flags(bio_err, ssl, rv);
1252 if (rv & CERT_PKEY_VALID) {
1253 SSL_use_certificate(ssl, exc->cert);
1254 SSL_use_PrivateKey(ssl, exc->key);
1256 * NB: we wouldn't normally do this as it is not efficient
1257 * building chains on each connection better to cache the chain
1260 if (exc->build_chain) {
1261 if (!SSL_build_cert_chain(ssl, 0))
1263 } else if (exc->chain)
1264 SSL_set1_chain(ssl, exc->chain);
1271 void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc)
1273 SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc);
1276 static int ssl_excert_prepend(SSL_EXCERT **pexc)
1279 exc = OPENSSL_malloc(sizeof(SSL_EXCERT));
1282 exc->certfile = NULL;
1283 exc->keyfile = NULL;
1284 exc->chainfile = NULL;
1289 exc->build_chain = 0;
1295 exc->certform = exc->next->certform;
1296 exc->keyform = exc->next->keyform;
1297 exc->next->prev = exc;
1299 exc->certform = FORMAT_PEM;
1300 exc->keyform = FORMAT_PEM;
1306 void ssl_excert_free(SSL_EXCERT *exc)
1311 X509_free(exc->cert);
1313 EVP_PKEY_free(exc->key);
1315 sk_X509_pop_free(exc->chain, X509_free);
1322 int load_excert(SSL_EXCERT **pexc, BIO *err)
1324 SSL_EXCERT *exc = *pexc;
1327 /* If nothing in list, free and set to NULL */
1328 if (!exc->certfile && !exc->next) {
1329 ssl_excert_free(exc);
1333 for (; exc; exc = exc->next) {
1334 if (!exc->certfile) {
1335 BIO_printf(err, "Missing filename\n");
1338 exc->cert = load_cert(err, exc->certfile, exc->certform,
1339 NULL, NULL, "Server Certificate");
1343 exc->key = load_key(err, exc->keyfile, exc->keyform,
1344 0, NULL, NULL, "Server Key");
1346 exc->key = load_key(err, exc->certfile, exc->certform,
1347 0, NULL, NULL, "Server Key");
1351 if (exc->chainfile) {
1352 exc->chain = load_certs(err,
1353 exc->chainfile, FORMAT_PEM,
1354 NULL, NULL, "Server Chain");
1362 int args_excert(char ***pargs, int *pargc,
1363 int *badarg, BIO *err, SSL_EXCERT **pexc)
1365 char *arg = **pargs, *argn = (*pargs)[1];
1366 SSL_EXCERT *exc = *pexc;
1369 if (ssl_excert_prepend(&exc))
1372 BIO_printf(err, "Error initialising xcert\n");
1377 if (strcmp(arg, "-xcert") == 0) {
1382 if (exc->certfile && !ssl_excert_prepend(&exc)) {
1383 BIO_printf(err, "Error adding xcert\n");
1387 exc->certfile = argn;
1388 } else if (strcmp(arg, "-xkey") == 0) {
1394 BIO_printf(err, "Key already specified\n");
1398 exc->keyfile = argn;
1399 } else if (strcmp(arg, "-xchain") == 0) {
1404 if (exc->chainfile) {
1405 BIO_printf(err, "Chain already specified\n");
1409 exc->chainfile = argn;
1410 } else if (strcmp(arg, "-xchain_build") == 0) {
1412 exc->build_chain = 1;
1413 } else if (strcmp(arg, "-xcertform") == 0) {
1418 exc->certform = str2fmt(argn);
1419 } else if (strcmp(arg, "-xkeyform") == 0) {
1424 exc->keyform = str2fmt(argn);
1438 ERR_print_errors(err);
1439 ssl_excert_free(exc);
1444 static void print_raw_cipherlist(BIO *bio, SSL *s)
1446 const unsigned char *rlist;
1447 static const unsigned char scsv_id[] = { 0, 0, 0xFF };
1448 size_t i, rlistlen, num;
1449 if (!SSL_is_server(s))
1451 num = SSL_get0_raw_cipherlist(s, NULL);
1452 rlistlen = SSL_get0_raw_cipherlist(s, &rlist);
1453 BIO_puts(bio, "Client cipher list: ");
1454 for (i = 0; i < rlistlen; i += num, rlist += num) {
1455 const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist);
1459 BIO_puts(bio, SSL_CIPHER_get_name(c));
1460 else if (!memcmp(rlist, scsv_id - num + 3, num))
1461 BIO_puts(bio, "SCSV");
1464 BIO_puts(bio, "0x");
1465 for (j = 0; j < num; j++)
1466 BIO_printf(bio, "%02X", rlist[j]);
1469 BIO_puts(bio, "\n");
1472 void print_ssl_summary(BIO *bio, SSL *s)
1474 const SSL_CIPHER *c;
1477 * const char *pnam = SSL_is_server(s) ? "client" : "server";
1479 BIO_printf(bio, "Protocol version: %s\n", SSL_get_version(s));
1480 print_raw_cipherlist(bio, s);
1481 c = SSL_get_current_cipher(s);
1482 BIO_printf(bio, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c));
1483 do_print_sigalgs(bio, s, 0);
1484 peer = SSL_get_peer_certificate(s);
1487 BIO_puts(bio, "Peer certificate: ");
1488 X509_NAME_print_ex(bio, X509_get_subject_name(peer),
1489 0, XN_FLAG_ONELINE);
1490 BIO_puts(bio, "\n");
1491 if (SSL_get_peer_signature_nid(s, &nid))
1492 BIO_printf(bio, "Hash used: %s\n", OBJ_nid2sn(nid));
1494 BIO_puts(bio, "No peer certificate\n");
1497 #ifndef OPENSSL_NO_EC
1498 ssl_print_point_formats(bio, s);
1499 if (SSL_is_server(s))
1500 ssl_print_curves(bio, s, 1);
1502 ssl_print_tmp_key(bio, s);
1504 if (!SSL_is_server(s))
1505 ssl_print_tmp_key(bio, s);
1509 int args_ssl(char ***pargs, int *pargc, SSL_CONF_CTX *cctx,
1510 int *badarg, BIO *err, STACK_OF(OPENSSL_STRING) **pstr)
1512 char *arg = **pargs, *argn = (*pargs)[1];
1515 /* Attempt to run SSL configuration command */
1516 rv = SSL_CONF_cmd_argv(cctx, pargc, pargs);
1517 /* If parameter not recognised just return */
1520 /* see if missing argument error */
1522 BIO_printf(err, "%s needs an argument\n", arg);
1526 /* Check for some other error */
1528 BIO_printf(err, "Error with command: \"%s %s\"\n",
1529 arg, argn ? argn : "");
1533 /* Store command and argument */
1534 /* If only one argument processed store value as NULL */
1538 *pstr = sk_OPENSSL_STRING_new_null();
1539 if (!*pstr || !sk_OPENSSL_STRING_push(*pstr, arg) ||
1540 !sk_OPENSSL_STRING_push(*pstr, argn)) {
1541 BIO_puts(err, "Memory allocation failure\n");
1547 ERR_print_errors(err);
1552 int args_ssl_call(SSL_CTX *ctx, BIO *err, SSL_CONF_CTX *cctx,
1553 STACK_OF(OPENSSL_STRING) *str, int no_ecdhe, int no_jpake)
1556 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
1557 for (i = 0; i < sk_OPENSSL_STRING_num(str); i += 2) {
1558 const char *param = sk_OPENSSL_STRING_value(str, i);
1559 const char *value = sk_OPENSSL_STRING_value(str, i + 1);
1561 * If no_ecdhe or named curve already specified don't need a default.
1563 if (!no_ecdhe && !strcmp(param, "-named_curve"))
1565 #ifndef OPENSSL_NO_JPAKE
1566 if (!no_jpake && !strcmp(param, "-cipher")) {
1567 BIO_puts(err, "JPAKE sets cipher to PSK\n");
1571 if (SSL_CONF_cmd(cctx, param, value) <= 0) {
1572 BIO_printf(err, "Error with command: \"%s %s\"\n",
1573 param, value ? value : "");
1574 ERR_print_errors(err);
1579 * This is a special case to keep existing s_server functionality: if we
1580 * don't have any curve specified *and* we haven't disabled ECDHE then
1584 if (SSL_CONF_cmd(cctx, "-named_curve", "P-256") <= 0) {
1585 BIO_puts(err, "Error setting EC curve\n");
1586 ERR_print_errors(err);
1590 #ifndef OPENSSL_NO_JPAKE
1592 if (SSL_CONF_cmd(cctx, "-cipher", "PSK") <= 0) {
1593 BIO_puts(err, "Error setting cipher to PSK\n");
1594 ERR_print_errors(err);
1599 if (!SSL_CONF_CTX_finish(cctx)) {
1600 BIO_puts(err, "Error finishing context\n");
1601 ERR_print_errors(err);
1607 static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls)
1611 for (i = 0; i < sk_X509_CRL_num(crls); i++) {
1612 crl = sk_X509_CRL_value(crls, i);
1613 X509_STORE_add_crl(st, crl);
1618 int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download)
1621 st = SSL_CTX_get_cert_store(ctx);
1622 add_crls_store(st, crls);
1624 store_setup_crl_download(st);
1628 int ssl_load_stores(SSL_CTX *ctx,
1629 const char *vfyCApath, const char *vfyCAfile,
1630 const char *chCApath, const char *chCAfile,
1631 STACK_OF(X509_CRL) *crls, int crl_download)
1633 X509_STORE *vfy = NULL, *ch = NULL;
1635 if (vfyCApath || vfyCAfile) {
1636 vfy = X509_STORE_new();
1637 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
1639 add_crls_store(vfy, crls);
1640 SSL_CTX_set1_verify_cert_store(ctx, vfy);
1642 store_setup_crl_download(vfy);
1644 if (chCApath || chCAfile) {
1645 ch = X509_STORE_new();
1646 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
1648 SSL_CTX_set1_chain_cert_store(ctx, ch);
1653 X509_STORE_free(vfy);
1655 X509_STORE_free(ch);