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) 1998-2002 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).
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
120 #include "ssl_locl.h"
121 #include <openssl/buffer.h>
122 #include <openssl/rand.h>
123 #include <openssl/objects.h>
124 #include <openssl/evp.h>
125 #include <openssl/x509.h>
128 * send s->init_buf in records of type 'type' (SSL3_RT_HANDSHAKE or
129 * SSL3_RT_CHANGE_CIPHER_SPEC)
131 int ssl3_do_write(SSL *s, int type)
135 ret = ssl3_write_bytes(s, type, &s->init_buf->data[s->init_off],
139 if (type == SSL3_RT_HANDSHAKE)
141 * should not be done for 'Hello Request's, but in that case we'll
142 * ignore the result anyway
144 ssl3_finish_mac(s, (unsigned char *)&s->init_buf->data[s->init_off],
147 if (ret == s->init_num) {
149 s->msg_callback(1, s->version, type, s->init_buf->data,
150 (size_t)(s->init_off + s->init_num), s,
151 s->msg_callback_arg);
159 int tls_construct_finished(SSL *s, const char *sender, int slen)
165 p = ssl_handshake_start(s);
167 i = s->method->ssl3_enc->final_finish_mac(s,
169 s->s3->tmp.finish_md);
172 s->s3->tmp.finish_md_len = i;
173 memcpy(p, s->s3->tmp.finish_md, i);
177 * Copy the finished so we can use it for renegotiation checks
180 OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
181 memcpy(s->s3->previous_client_finished, s->s3->tmp.finish_md, i);
182 s->s3->previous_client_finished_len = i;
184 OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
185 memcpy(s->s3->previous_server_finished, s->s3->tmp.finish_md, i);
186 s->s3->previous_server_finished_len = i;
189 if (!ssl_set_handshake_header(s, SSL3_MT_FINISHED, l)) {
190 SSLerr(SSL_F_TLS_CONSTRUCT_FINISHED, ERR_R_INTERNAL_ERROR);
197 #ifndef OPENSSL_NO_NEXTPROTONEG
199 * ssl3_take_mac calculates the Finished MAC for the handshakes messages seen
202 static void ssl3_take_mac(SSL *s)
207 * If no new cipher setup return immediately: other functions will set
208 * the appropriate error.
210 if (s->s3->tmp.new_cipher == NULL)
213 sender = s->method->ssl3_enc->server_finished_label;
214 slen = s->method->ssl3_enc->server_finished_label_len;
216 sender = s->method->ssl3_enc->client_finished_label;
217 slen = s->method->ssl3_enc->client_finished_label_len;
220 s->s3->tmp.peer_finish_md_len = s->method->ssl3_enc->final_finish_mac(s,
223 s->s3->tmp.peer_finish_md);
227 enum MSG_PROCESS_RETURN tls_process_change_cipher_spec(SSL *s, PACKET *pkt)
232 remain = PACKET_remaining(pkt);
234 * 'Change Cipher Spec' is just a single byte, which should already have
235 * been consumed by ssl_get_message() so there should be no bytes left,
236 * unless we're using DTLS1_BAD_VER, which has an extra 2 bytes
238 if (SSL_IS_DTLS(s)) {
239 if ((s->version == DTLS1_BAD_VER
240 && remain != DTLS1_CCS_HEADER_LENGTH + 1)
241 || (s->version != DTLS1_BAD_VER
242 && remain != DTLS1_CCS_HEADER_LENGTH - 1)) {
243 al = SSL_AD_ILLEGAL_PARAMETER;
244 SSLerr(SSL_F_TLS_PROCESS_CHANGE_CIPHER_SPEC,
245 SSL_R_BAD_CHANGE_CIPHER_SPEC);
250 al = SSL_AD_ILLEGAL_PARAMETER;
251 SSLerr(SSL_F_TLS_PROCESS_CHANGE_CIPHER_SPEC,
252 SSL_R_BAD_CHANGE_CIPHER_SPEC);
257 /* Check we have a cipher to change to */
258 if (s->s3->tmp.new_cipher == NULL) {
259 al = SSL_AD_UNEXPECTED_MESSAGE;
260 SSLerr(SSL_F_TLS_PROCESS_CHANGE_CIPHER_SPEC, SSL_R_CCS_RECEIVED_EARLY);
264 s->s3->change_cipher_spec = 1;
265 if (!ssl3_do_change_cipher_spec(s)) {
266 al = SSL_AD_INTERNAL_ERROR;
267 SSLerr(SSL_F_TLS_PROCESS_CHANGE_CIPHER_SPEC, ERR_R_INTERNAL_ERROR);
271 if (SSL_IS_DTLS(s)) {
272 dtls1_reset_seq_numbers(s, SSL3_CC_READ);
274 if (s->version == DTLS1_BAD_VER)
275 s->d1->handshake_read_seq++;
277 #ifndef OPENSSL_NO_SCTP
279 * Remember that a CCS has been received, so that an old key of
280 * SCTP-Auth can be deleted when a CCS is sent. Will be ignored if no
283 BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD, 1, NULL);
287 return MSG_PROCESS_CONTINUE_READING;
289 ssl3_send_alert(s, SSL3_AL_FATAL, al);
291 return MSG_PROCESS_ERROR;
294 enum MSG_PROCESS_RETURN tls_process_finished(SSL *s, PACKET *pkt)
298 /* If this occurs, we have missed a message */
299 if (!s->s3->change_cipher_spec) {
300 al = SSL_AD_UNEXPECTED_MESSAGE;
301 SSLerr(SSL_F_TLS_PROCESS_FINISHED, SSL_R_GOT_A_FIN_BEFORE_A_CCS);
304 s->s3->change_cipher_spec = 0;
306 i = s->s3->tmp.peer_finish_md_len;
308 if (i < 0 || (unsigned long)i != PACKET_remaining(pkt)) {
309 al = SSL_AD_DECODE_ERROR;
310 SSLerr(SSL_F_TLS_PROCESS_FINISHED, SSL_R_BAD_DIGEST_LENGTH);
314 if (CRYPTO_memcmp(PACKET_data(pkt), s->s3->tmp.peer_finish_md, i) != 0) {
315 al = SSL_AD_DECRYPT_ERROR;
316 SSLerr(SSL_F_TLS_PROCESS_FINISHED, SSL_R_DIGEST_CHECK_FAILED);
321 * Copy the finished so we can use it for renegotiation checks
324 OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
325 memcpy(s->s3->previous_client_finished, s->s3->tmp.peer_finish_md, i);
326 s->s3->previous_client_finished_len = i;
328 OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
329 memcpy(s->s3->previous_server_finished, s->s3->tmp.peer_finish_md, i);
330 s->s3->previous_server_finished_len = i;
333 return MSG_PROCESS_CONTINUE_PROCESSING;
335 ssl3_send_alert(s, SSL3_AL_FATAL, al);
337 return MSG_PROCESS_ERROR;
340 int tls_construct_change_cipher_spec(SSL *s)
344 p = (unsigned char *)s->init_buf->data;
352 unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk)
355 unsigned long l = 3 + SSL_HM_HEADER_LENGTH(s);
357 if (!ssl_add_cert_chain(s, cpk, &l))
360 l -= 3 + SSL_HM_HEADER_LENGTH(s);
361 p = ssl_handshake_start(s);
365 if (!ssl_set_handshake_header(s, SSL3_MT_CERTIFICATE, l)) {
366 SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN, ERR_R_INTERNAL_ERROR);
369 return l + SSL_HM_HEADER_LENGTH(s);
372 enum WORK_STATE tls_finish_handshake(SSL *s, enum WORK_STATE wst)
374 void (*cb) (const SSL *ssl, int type, int val) = NULL;
376 #ifndef OPENSSL_NO_SCTP
377 if (SSL_IS_DTLS(s) && BIO_dgram_is_sctp(SSL_get_wbio(s))) {
379 ret = dtls_wait_for_dry(s);
380 if (ret != WORK_FINISHED_CONTINUE)
385 /* clean a few things up */
386 ssl3_cleanup_key_block(s);
388 if (!SSL_IS_DTLS(s)) {
390 * We don't do this in DTLS because we may still need the init_buf
391 * in case there are any unexpected retransmits
393 BUF_MEM_free(s->init_buf);
397 ssl_free_wbio_buffer(s);
401 if (!s->server || s->renegotiate == 2) {
402 /* skipped if we just sent a HelloRequest */
410 ssl_update_cache(s, SSL_SESS_CACHE_SERVER);
412 s->ctx->stats.sess_accept_good++;
413 s->handshake_func = ssl3_accept;
415 ssl_update_cache(s, SSL_SESS_CACHE_CLIENT);
417 s->ctx->stats.sess_hit++;
419 s->handshake_func = ssl3_connect;
420 s->ctx->stats.sess_connect_good++;
423 if (s->info_callback != NULL)
424 cb = s->info_callback;
425 else if (s->ctx->info_callback != NULL)
426 cb = s->ctx->info_callback;
429 cb(s, SSL_CB_HANDSHAKE_DONE, 1);
431 if (SSL_IS_DTLS(s)) {
432 /* done with handshaking */
433 s->d1->handshake_read_seq = 0;
434 s->d1->handshake_write_seq = 0;
435 s->d1->next_handshake_write_seq = 0;
439 return WORK_FINISHED_STOP;
442 int tls_get_message_header(SSL *s, int *mt)
444 /* s->init_num < SSL3_HM_HEADER_LENGTH */
445 int skip_message, i, recvd_type, al;
449 p = (unsigned char *)s->init_buf->data;
452 while (s->init_num < SSL3_HM_HEADER_LENGTH) {
453 i = s->method->ssl_read_bytes(s, SSL3_RT_HANDSHAKE, &recvd_type,
454 &p[s->init_num], SSL3_HM_HEADER_LENGTH - s->init_num, 0);
456 s->rwstate = SSL_READING;
459 if (recvd_type == SSL3_RT_CHANGE_CIPHER_SPEC) {
460 s->s3->tmp.message_type = *mt = SSL3_MT_CHANGE_CIPHER_SPEC;
462 s->s3->tmp.message_size = i;
464 } else if (recvd_type != SSL3_RT_HANDSHAKE) {
465 al = SSL_AD_UNEXPECTED_MESSAGE;
466 SSLerr(SSL_F_TLS_GET_MESSAGE_HEADER, SSL_R_CCS_RECEIVED_EARLY);
474 if (p[0] == SSL3_MT_HELLO_REQUEST)
476 * The server may always send 'Hello Request' messages --
477 * we are doing a handshake anyway now, so ignore them if
478 * their format is correct. Does not count for 'Finished'
481 if (p[1] == 0 && p[2] == 0 && p[3] == 0) {
486 s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE,
487 p, SSL3_HM_HEADER_LENGTH, s,
488 s->msg_callback_arg);
490 } while (skip_message);
491 /* s->init_num == SSL3_HM_HEADER_LENGTH */
494 s->s3->tmp.message_type = *(p++);
496 if(RECORD_LAYER_is_sslv2_record(&s->rlayer)) {
498 * Only happens with SSLv3+ in an SSLv2 backward compatible
502 * Total message size is the remaining record bytes to read
503 * plus the SSL3_HM_HEADER_LENGTH bytes that we already read
505 l = RECORD_LAYER_get_rrec_length(&s->rlayer)
506 + SSL3_HM_HEADER_LENGTH;
507 if (l && !BUF_MEM_grow_clean(s->init_buf, (int)l)) {
508 SSLerr(SSL_F_TLS_GET_MESSAGE_HEADER, ERR_R_BUF_LIB);
511 s->s3->tmp.message_size = l;
513 s->init_msg = s->init_buf->data;
514 s->init_num = SSL3_HM_HEADER_LENGTH;
517 /* BUF_MEM_grow takes an 'int' parameter */
518 if (l > (INT_MAX - SSL3_HM_HEADER_LENGTH)) {
519 al = SSL_AD_ILLEGAL_PARAMETER;
520 SSLerr(SSL_F_TLS_GET_MESSAGE_HEADER, SSL_R_EXCESSIVE_MESSAGE_SIZE);
523 if (l && !BUF_MEM_grow_clean(s->init_buf,
524 (int)l + SSL3_HM_HEADER_LENGTH)) {
525 SSLerr(SSL_F_TLS_GET_MESSAGE_HEADER, ERR_R_BUF_LIB);
528 s->s3->tmp.message_size = l;
530 s->init_msg = s->init_buf->data + SSL3_HM_HEADER_LENGTH;
536 ssl3_send_alert(s, SSL3_AL_FATAL, al);
541 int tls_get_message_body(SSL *s, unsigned long *len)
547 if (s->s3->tmp.message_type == SSL3_MT_CHANGE_CIPHER_SPEC) {
548 /* We've already read everything in */
549 *len = (unsigned long)s->init_num;
554 n = s->s3->tmp.message_size - s->init_num;
556 i = s->method->ssl_read_bytes(s, SSL3_RT_HANDSHAKE, NULL,
557 &p[s->init_num], n, 0);
559 s->rwstate = SSL_READING;
567 #ifndef OPENSSL_NO_NEXTPROTONEG
569 * If receiving Finished, record MAC of prior handshake messages for
570 * Finished verification.
572 if (*s->init_buf->data == SSL3_MT_FINISHED)
576 /* Feed this message into MAC computation. */
577 if(RECORD_LAYER_is_sslv2_record(&s->rlayer)) {
578 ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num);
580 s->msg_callback(0, SSL2_VERSION, 0, s->init_buf->data,
581 (size_t)s->init_num, s, s->msg_callback_arg);
583 ssl3_finish_mac(s, (unsigned char *)s->init_buf->data,
584 s->init_num + SSL3_HM_HEADER_LENGTH);
586 s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data,
587 (size_t)s->init_num + SSL3_HM_HEADER_LENGTH, s,
588 s->msg_callback_arg);
592 * init_num should never be negative...should probably be declared
595 if (s->init_num < 0) {
596 SSLerr(SSL_F_TLS_GET_MESSAGE_BODY, ERR_R_INTERNAL_ERROR);
597 ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR);
601 *len = (unsigned long)s->init_num;
605 int ssl_cert_type(X509 *x, EVP_PKEY *pkey)
611 pk = X509_get_pubkey(x);
618 if (i == EVP_PKEY_RSA) {
619 ret = SSL_PKEY_RSA_ENC;
620 } else if (i == EVP_PKEY_DSA) {
621 ret = SSL_PKEY_DSA_SIGN;
623 #ifndef OPENSSL_NO_EC
624 else if (i == EVP_PKEY_EC) {
628 else if (i == NID_id_GostR3410_2001) {
629 ret = SSL_PKEY_GOST01;
630 } else if (x && (i == EVP_PKEY_DH || i == EVP_PKEY_DHX)) {
632 * For DH two cases: DH certificate signed with RSA and DH
633 * certificate signed with DSA.
635 i = X509_certificate_type(x, pk);
637 ret = SSL_PKEY_DH_RSA;
638 else if (i & EVP_PKS_DSA)
639 ret = SSL_PKEY_DH_DSA;
648 int ssl_verify_alarm_type(long type)
653 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
654 case X509_V_ERR_UNABLE_TO_GET_CRL:
655 case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
656 al = SSL_AD_UNKNOWN_CA;
658 case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
659 case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
660 case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
661 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
662 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
663 case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
664 case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
665 case X509_V_ERR_CERT_NOT_YET_VALID:
666 case X509_V_ERR_CRL_NOT_YET_VALID:
667 case X509_V_ERR_CERT_UNTRUSTED:
668 case X509_V_ERR_CERT_REJECTED:
669 al = SSL_AD_BAD_CERTIFICATE;
671 case X509_V_ERR_CERT_SIGNATURE_FAILURE:
672 case X509_V_ERR_CRL_SIGNATURE_FAILURE:
673 al = SSL_AD_DECRYPT_ERROR;
675 case X509_V_ERR_CERT_HAS_EXPIRED:
676 case X509_V_ERR_CRL_HAS_EXPIRED:
677 al = SSL_AD_CERTIFICATE_EXPIRED;
679 case X509_V_ERR_CERT_REVOKED:
680 al = SSL_AD_CERTIFICATE_REVOKED;
682 case X509_V_ERR_OUT_OF_MEM:
683 al = SSL_AD_INTERNAL_ERROR;
685 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
686 case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
687 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
688 case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
689 case X509_V_ERR_CERT_CHAIN_TOO_LONG:
690 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
691 case X509_V_ERR_INVALID_CA:
692 al = SSL_AD_UNKNOWN_CA;
694 case X509_V_ERR_APPLICATION_VERIFICATION:
695 al = SSL_AD_HANDSHAKE_FAILURE;
697 case X509_V_ERR_INVALID_PURPOSE:
698 al = SSL_AD_UNSUPPORTED_CERTIFICATE;
701 al = SSL_AD_CERTIFICATE_UNKNOWN;
707 int ssl_allow_compression(SSL *s)
709 if (s->options & SSL_OP_NO_COMPRESSION)
711 return ssl_security(s, SSL_SECOP_COMPRESSION, 0, 0, NULL);