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 ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen)
166 p = ssl_handshake_start(s);
168 i = s->method->ssl3_enc->final_finish_mac(s,
170 s->s3->tmp.finish_md);
173 s->s3->tmp.finish_md_len = i;
174 memcpy(p, s->s3->tmp.finish_md, i);
178 * Copy the finished so we can use it for renegotiation checks
180 if (s->type == SSL_ST_CONNECT) {
181 OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
182 memcpy(s->s3->previous_client_finished, s->s3->tmp.finish_md, i);
183 s->s3->previous_client_finished_len = i;
185 OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
186 memcpy(s->s3->previous_server_finished, s->s3->tmp.finish_md, i);
187 s->s3->previous_server_finished_len = i;
190 if (!ssl_set_handshake_header(s, SSL3_MT_FINISHED, l)) {
191 SSLerr(SSL_F_SSL3_SEND_FINISHED, ERR_R_INTERNAL_ERROR);
197 /* SSL3_ST_SEND_xxxxxx_HELLO_B */
198 return ssl_do_write(s);
201 #ifndef OPENSSL_NO_NEXTPROTONEG
203 * ssl3_take_mac calculates the Finished MAC for the handshakes messages seen
206 static void ssl3_take_mac(SSL *s)
211 * If no new cipher setup return immediately: other functions will set
212 * the appropriate error.
214 if (s->s3->tmp.new_cipher == NULL)
216 if (s->state & SSL_ST_CONNECT) {
217 sender = s->method->ssl3_enc->server_finished_label;
218 slen = s->method->ssl3_enc->server_finished_label_len;
220 sender = s->method->ssl3_enc->client_finished_label;
221 slen = s->method->ssl3_enc->client_finished_label_len;
224 s->s3->tmp.peer_finish_md_len = s->method->ssl3_enc->final_finish_mac(s,
227 s->s3->tmp.peer_finish_md);
231 int ssl3_get_change_cipher_spec(SSL *s, int a, int b)
236 n = s->method->ssl_get_message(s, a, b, SSL3_MT_CHANGE_CIPHER_SPEC, 1, &ok);
242 * 'Change Cipher Spec' is just a single byte, which should already have
243 * been consumed by ssl_get_message() so there should be no bytes left,
244 * unless we're using DTLS1_BAD_VER, which has an extra 2 bytes
246 if (SSL_IS_DTLS(s)) {
247 if ((s->version == DTLS1_BAD_VER && n != DTLS1_CCS_HEADER_LENGTH + 1)
248 || (s->version != DTLS1_BAD_VER
249 && n != DTLS1_CCS_HEADER_LENGTH - 1)) {
250 al = SSL_AD_ILLEGAL_PARAMETER;
251 SSLerr(SSL_F_SSL3_GET_CHANGE_CIPHER_SPEC, SSL_R_BAD_CHANGE_CIPHER_SPEC);
256 al = SSL_AD_ILLEGAL_PARAMETER;
257 SSLerr(SSL_F_SSL3_GET_CHANGE_CIPHER_SPEC, SSL_R_BAD_CHANGE_CIPHER_SPEC);
262 /* Check we have a cipher to change to */
263 if (s->s3->tmp.new_cipher == NULL) {
264 al = SSL_AD_UNEXPECTED_MESSAGE;
265 SSLerr(SSL_F_SSL3_GET_CHANGE_CIPHER_SPEC, SSL_R_CCS_RECEIVED_EARLY);
269 s->s3->change_cipher_spec = 1;
270 if (!ssl3_do_change_cipher_spec(s)) {
271 al = SSL_AD_INTERNAL_ERROR;
272 SSLerr(SSL_F_SSL3_GET_CHANGE_CIPHER_SPEC, ERR_R_INTERNAL_ERROR);
276 if (SSL_IS_DTLS(s)) {
277 dtls1_reset_seq_numbers(s, SSL3_CC_READ);
279 if (s->version == DTLS1_BAD_VER)
280 s->d1->handshake_read_seq++;
282 #ifndef OPENSSL_NO_SCTP
284 * Remember that a CCS has been received, so that an old key of
285 * SCTP-Auth can be deleted when a CCS is sent. Will be ignored if no
288 BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD, 1, NULL);
294 ssl3_send_alert(s, SSL3_AL_FATAL, al);
299 int ssl3_get_finished(SSL *s, int a, int b)
305 #ifdef OPENSSL_NO_NEXTPROTONEG
307 * the mac has already been generated when we received the change cipher
308 * spec message and is in s->s3->tmp.peer_finish_md
312 /* 64 argument should actually be 36+4 :-) */
313 n = s->method->ssl_get_message(s, a, b, SSL3_MT_FINISHED, 64, &ok);
318 /* If this occurs, we have missed a message */
319 if (!s->s3->change_cipher_spec) {
320 al = SSL_AD_UNEXPECTED_MESSAGE;
321 SSLerr(SSL_F_SSL3_GET_FINISHED, SSL_R_GOT_A_FIN_BEFORE_A_CCS);
324 s->s3->change_cipher_spec = 0;
326 p = (unsigned char *)s->init_msg;
327 i = s->s3->tmp.peer_finish_md_len;
330 al = SSL_AD_DECODE_ERROR;
331 SSLerr(SSL_F_SSL3_GET_FINISHED, SSL_R_BAD_DIGEST_LENGTH);
335 if (CRYPTO_memcmp(p, s->s3->tmp.peer_finish_md, i) != 0) {
336 al = SSL_AD_DECRYPT_ERROR;
337 SSLerr(SSL_F_SSL3_GET_FINISHED, SSL_R_DIGEST_CHECK_FAILED);
342 * Copy the finished so we can use it for renegotiation checks
344 if (s->type == SSL_ST_ACCEPT) {
345 OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
346 memcpy(s->s3->previous_client_finished, s->s3->tmp.peer_finish_md, i);
347 s->s3->previous_client_finished_len = i;
349 OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
350 memcpy(s->s3->previous_server_finished, s->s3->tmp.peer_finish_md, i);
351 s->s3->previous_server_finished_len = i;
356 ssl3_send_alert(s, SSL3_AL_FATAL, al);
361 * for these 2 messages, we need to
362 * ssl->enc_read_ctx re-init
363 * ssl->rlayer.read_sequence zero
364 * ssl->s3->read_mac_secret re-init
365 * ssl->session->read_sym_enc assign
366 * ssl->session->read_compression assign
367 * ssl->session->read_hash assign
369 int ssl3_send_change_cipher_spec(SSL *s, int a, int b)
374 p = (unsigned char *)s->init_buf->data;
382 /* SSL3_ST_CW_CHANGE_B */
383 return (ssl3_do_write(s, SSL3_RT_CHANGE_CIPHER_SPEC));
386 unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk)
389 unsigned long l = 3 + SSL_HM_HEADER_LENGTH(s);
391 if (!ssl_add_cert_chain(s, cpk, &l))
394 l -= 3 + SSL_HM_HEADER_LENGTH(s);
395 p = ssl_handshake_start(s);
399 if (!ssl_set_handshake_header(s, SSL3_MT_CERTIFICATE, l)) {
400 SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN, ERR_R_INTERNAL_ERROR);
403 return l + SSL_HM_HEADER_LENGTH(s);
407 * Obtain handshake message of message type 'mt' (any if mt == -1), maximum
408 * acceptable body length 'max'. The first four bytes (msg_type and length)
409 * are read in state 'st1', the body is read in state 'stn'.
411 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
417 if (s->s3->tmp.reuse_message) {
418 s->s3->tmp.reuse_message = 0;
419 if ((mt >= 0) && (s->s3->tmp.message_type != mt)) {
420 al = SSL_AD_UNEXPECTED_MESSAGE;
421 SSLerr(SSL_F_SSL3_GET_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
426 s->init_msg = s->init_buf->data + SSL3_HM_HEADER_LENGTH;
427 s->init_num = (int)s->s3->tmp.message_size;
431 p = (unsigned char *)s->init_buf->data;
433 if (s->state == st1) {
434 if (tls_get_message_header(s, &mtin) == 0) {
441 && mtin == SSL3_MT_CHANGE_CIPHER_SPEC
442 && (mt < 0 || mt == SSL3_MT_CHANGE_CIPHER_SPEC)) {
443 if (*p != SSL3_MT_CCS) {
444 al = SSL_AD_UNEXPECTED_MESSAGE;
445 SSLerr(SSL_F_SSL3_GET_MESSAGE,
446 SSL_R_UNEXPECTED_MESSAGE);
450 s->s3->tmp.message_type = SSL3_MT_CHANGE_CIPHER_SPEC;
451 s->s3->tmp.message_size = s->init_num;
454 s->msg_callback(0, s->version,
455 SSL3_RT_CHANGE_CIPHER_SPEC, p, 1, s,
456 s->msg_callback_arg);
459 if (s->s3->tmp.message_size > (unsigned long)max) {
460 al = SSL_AD_ILLEGAL_PARAMETER;
461 SSLerr(SSL_F_SSL3_GET_MESSAGE, SSL_R_EXCESSIVE_MESSAGE_SIZE);
464 if ((mt >= 0) && (mtin != mt)) {
465 al = SSL_AD_UNEXPECTED_MESSAGE;
466 SSLerr(SSL_F_SSL3_GET_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
471 /* next state (stn) */
472 if (tls_get_message_body(s, (unsigned long *)&n) == 0) {
480 ssl3_send_alert(s, SSL3_AL_FATAL, al);
485 int tls_get_message_header(SSL *s, int *mt)
487 /* s->init_num < SSL3_HM_HEADER_LENGTH */
488 int skip_message, i, recvd_type, al;
492 p = (unsigned char *)s->init_buf->data;
495 while (s->init_num < SSL3_HM_HEADER_LENGTH) {
496 i = s->method->ssl_read_bytes(s, SSL3_RT_HANDSHAKE, &recvd_type,
497 &p[s->init_num], SSL3_HM_HEADER_LENGTH - s->init_num, 0);
499 s->rwstate = SSL_READING;
502 if (recvd_type == SSL3_RT_CHANGE_CIPHER_SPEC) {
503 s->s3->tmp.message_type = *mt = SSL3_MT_CHANGE_CIPHER_SPEC;
505 s->s3->tmp.message_size = i;
507 } else if (recvd_type != SSL3_RT_HANDSHAKE) {
508 al = SSL_AD_UNEXPECTED_MESSAGE;
509 SSLerr(SSL_F_TLS_GET_MESSAGE_HEADER, SSL_R_CCS_RECEIVED_EARLY);
517 if (p[0] == SSL3_MT_HELLO_REQUEST)
519 * The server may always send 'Hello Request' messages --
520 * we are doing a handshake anyway now, so ignore them if
521 * their format is correct. Does not count for 'Finished'
524 if (p[1] == 0 && p[2] == 0 && p[3] == 0) {
529 s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE,
530 p, SSL3_HM_HEADER_LENGTH, s,
531 s->msg_callback_arg);
533 } while (skip_message);
534 /* s->init_num == SSL3_HM_HEADER_LENGTH */
537 s->s3->tmp.message_type = *(p++);
539 if(RECORD_LAYER_is_sslv2_record(&s->rlayer)) {
541 * Only happens with SSLv3+ in an SSLv2 backward compatible
545 * Total message size is the remaining record bytes to read
546 * plus the SSL3_HM_HEADER_LENGTH bytes that we already read
548 l = RECORD_LAYER_get_rrec_length(&s->rlayer)
549 + SSL3_HM_HEADER_LENGTH;
550 if (l && !BUF_MEM_grow_clean(s->init_buf, (int)l)) {
551 SSLerr(SSL_F_TLS_GET_MESSAGE_HEADER, ERR_R_BUF_LIB);
554 s->s3->tmp.message_size = l;
556 s->init_msg = s->init_buf->data;
557 s->init_num = SSL3_HM_HEADER_LENGTH;
560 /* BUF_MEM_grow takes an 'int' parameter */
561 if (l > (INT_MAX - SSL3_HM_HEADER_LENGTH)) {
562 al = SSL_AD_ILLEGAL_PARAMETER;
563 SSLerr(SSL_F_TLS_GET_MESSAGE_HEADER, SSL_R_EXCESSIVE_MESSAGE_SIZE);
566 if (l && !BUF_MEM_grow_clean(s->init_buf,
567 (int)l + SSL3_HM_HEADER_LENGTH)) {
568 SSLerr(SSL_F_TLS_GET_MESSAGE_HEADER, ERR_R_BUF_LIB);
571 s->s3->tmp.message_size = l;
573 s->init_msg = s->init_buf->data + SSL3_HM_HEADER_LENGTH;
579 ssl3_send_alert(s, SSL3_AL_FATAL, al);
584 int tls_get_message_body(SSL *s, unsigned long *len)
590 if (s->s3->tmp.message_type == SSL3_MT_CHANGE_CIPHER_SPEC) {
591 /* We've already read everything in */
592 *len = (unsigned long)s->init_num;
597 n = s->s3->tmp.message_size - s->init_num;
599 i = s->method->ssl_read_bytes(s, SSL3_RT_HANDSHAKE, NULL,
600 &p[s->init_num], n, 0);
602 s->rwstate = SSL_READING;
610 #ifndef OPENSSL_NO_NEXTPROTONEG
612 * If receiving Finished, record MAC of prior handshake messages for
613 * Finished verification.
615 if (*s->init_buf->data == SSL3_MT_FINISHED)
619 /* Feed this message into MAC computation. */
620 if(RECORD_LAYER_is_sslv2_record(&s->rlayer)) {
621 ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num);
623 s->msg_callback(0, SSL2_VERSION, 0, s->init_buf->data,
624 (size_t)s->init_num, s, s->msg_callback_arg);
626 ssl3_finish_mac(s, (unsigned char *)s->init_buf->data,
627 s->init_num + SSL3_HM_HEADER_LENGTH);
629 s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data,
630 (size_t)s->init_num + SSL3_HM_HEADER_LENGTH, s,
631 s->msg_callback_arg);
635 * init_num should never be negative...should probably be declared
638 if (s->init_num < 0) {
639 SSLerr(SSL_F_TLS_GET_MESSAGE_BODY, ERR_R_INTERNAL_ERROR);
640 ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR);
644 *len = (unsigned long)s->init_num;
648 int ssl_cert_type(X509 *x, EVP_PKEY *pkey)
654 pk = X509_get_pubkey(x);
661 if (i == EVP_PKEY_RSA) {
662 ret = SSL_PKEY_RSA_ENC;
663 } else if (i == EVP_PKEY_DSA) {
664 ret = SSL_PKEY_DSA_SIGN;
666 #ifndef OPENSSL_NO_EC
667 else if (i == EVP_PKEY_EC) {
671 else if (i == NID_id_GostR3410_2001) {
672 ret = SSL_PKEY_GOST01;
673 } else if (x && (i == EVP_PKEY_DH || i == EVP_PKEY_DHX)) {
675 * For DH two cases: DH certificate signed with RSA and DH
676 * certificate signed with DSA.
678 i = X509_certificate_type(x, pk);
680 ret = SSL_PKEY_DH_RSA;
681 else if (i & EVP_PKS_DSA)
682 ret = SSL_PKEY_DH_DSA;
691 int ssl_verify_alarm_type(long type)
696 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
697 case X509_V_ERR_UNABLE_TO_GET_CRL:
698 case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
699 al = SSL_AD_UNKNOWN_CA;
701 case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
702 case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
703 case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
704 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
705 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
706 case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
707 case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
708 case X509_V_ERR_CERT_NOT_YET_VALID:
709 case X509_V_ERR_CRL_NOT_YET_VALID:
710 case X509_V_ERR_CERT_UNTRUSTED:
711 case X509_V_ERR_CERT_REJECTED:
712 al = SSL_AD_BAD_CERTIFICATE;
714 case X509_V_ERR_CERT_SIGNATURE_FAILURE:
715 case X509_V_ERR_CRL_SIGNATURE_FAILURE:
716 al = SSL_AD_DECRYPT_ERROR;
718 case X509_V_ERR_CERT_HAS_EXPIRED:
719 case X509_V_ERR_CRL_HAS_EXPIRED:
720 al = SSL_AD_CERTIFICATE_EXPIRED;
722 case X509_V_ERR_CERT_REVOKED:
723 al = SSL_AD_CERTIFICATE_REVOKED;
725 case X509_V_ERR_OUT_OF_MEM:
726 al = SSL_AD_INTERNAL_ERROR;
728 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
729 case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
730 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
731 case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
732 case X509_V_ERR_CERT_CHAIN_TOO_LONG:
733 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
734 case X509_V_ERR_INVALID_CA:
735 al = SSL_AD_UNKNOWN_CA;
737 case X509_V_ERR_APPLICATION_VERIFICATION:
738 al = SSL_AD_HANDSHAKE_FAILURE;
740 case X509_V_ERR_INVALID_PURPOSE:
741 al = SSL_AD_UNSUPPORTED_CERTIFICATE;
744 al = SSL_AD_CERTIFICATE_UNKNOWN;
750 int ssl_allow_compression(SSL *s)
752 if (s->options & SSL_OP_NO_COMPRESSION)
754 return ssl_security(s, SSL_SECOP_COMPRESSION, 0, 0, NULL);