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.]
67 static SSL_METHOD *ssl2_get_client_method(int ver);
68 static int get_server_finished(SSL *s);
69 static int get_server_verify(SSL *s);
70 static int get_server_hello(SSL *s);
71 static int client_hello(SSL *s);
72 static int client_master_key(SSL *s);
73 static int client_finished(SSL *s);
74 static int client_certificate(SSL *s);
75 static int ssl_rsa_public_encrypt(CERT *c, int len, unsigned char *from,
76 unsigned char *to,int padding);
78 static SSL_METHOD *ssl2_get_client_method();
79 static int get_server_finished();
80 static int get_server_verify();
81 static int get_server_hello();
82 static int client_hello();
83 static int client_master_key();
84 static int client_finished();
85 static int client_certificate();
86 static int ssl_rsa_public_encrypt();
91 static SSL_METHOD *ssl2_get_client_method(ver)
94 if (ver == SSL2_VERSION)
95 return(SSLv2_client_method());
100 SSL_METHOD *SSLv2_client_method()
103 static SSL_METHOD SSLv2_client_data;
108 memcpy((char *)&SSLv2_client_data,(char *)sslv2_base_method(),
110 SSLv2_client_data.ssl_connect=ssl2_connect;
111 SSLv2_client_data.get_ssl_method=ssl2_get_client_method;
113 return(&SSLv2_client_data);
119 unsigned long l=time(NULL);
125 RAND_seed(&l,sizeof(l));
129 if (s->info_callback != NULL)
131 else if (s->ctx->info_callback != NULL)
132 cb=s->ctx->info_callback;
134 /* init things to blank */
135 if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);
146 case SSL_ST_BEFORE|SSL_ST_CONNECT:
147 case SSL_ST_OK|SSL_ST_CONNECT:
150 if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
152 s->version=SSL2_VERSION;
153 s->type=SSL_ST_CONNECT;
156 if ((buf == NULL) && ((buf=BUF_MEM_new()) == NULL))
161 if (!BUF_MEM_grow(buf,
162 SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER))
169 s->state=SSL2_ST_SEND_CLIENT_HELLO_A;
170 s->ctx->stats.sess_connect++;
171 s->handshake_func=ssl2_connect;
174 case SSL2_ST_SEND_CLIENT_HELLO_A:
175 case SSL2_ST_SEND_CLIENT_HELLO_B:
178 if (ret <= 0) goto end;
180 s->state=SSL2_ST_GET_SERVER_HELLO_A;
183 case SSL2_ST_GET_SERVER_HELLO_A:
184 case SSL2_ST_GET_SERVER_HELLO_B:
185 ret=get_server_hello(s);
186 if (ret <= 0) goto end;
188 if (!s->hit) /* new session */
190 s->state=SSL2_ST_SEND_CLIENT_MASTER_KEY_A;
195 s->state=SSL2_ST_CLIENT_START_ENCRYPTION;
199 case SSL2_ST_SEND_CLIENT_MASTER_KEY_A:
200 case SSL2_ST_SEND_CLIENT_MASTER_KEY_B:
201 ret=client_master_key(s);
202 if (ret <= 0) goto end;
204 s->state=SSL2_ST_CLIENT_START_ENCRYPTION;
207 case SSL2_ST_CLIENT_START_ENCRYPTION:
208 /* Ok, we now have all the stuff needed to
209 * start encrypting, so lets fire it up :-) */
210 if (!ssl2_enc_init(s,1))
216 s->state=SSL2_ST_SEND_CLIENT_FINISHED_A;
219 case SSL2_ST_SEND_CLIENT_FINISHED_A:
220 case SSL2_ST_SEND_CLIENT_FINISHED_B:
221 ret=client_finished(s);
222 if (ret <= 0) goto end;
224 s->state=SSL2_ST_GET_SERVER_VERIFY_A;
227 case SSL2_ST_GET_SERVER_VERIFY_A:
228 case SSL2_ST_GET_SERVER_VERIFY_B:
229 ret=get_server_verify(s);
230 if (ret <= 0) goto end;
232 s->state=SSL2_ST_GET_SERVER_FINISHED_A;
235 case SSL2_ST_GET_SERVER_FINISHED_A:
236 case SSL2_ST_GET_SERVER_FINISHED_B:
237 ret=get_server_finished(s);
238 if (ret <= 0) goto end;
241 case SSL2_ST_SEND_CLIENT_CERTIFICATE_A:
242 case SSL2_ST_SEND_CLIENT_CERTIFICATE_B:
243 case SSL2_ST_SEND_CLIENT_CERTIFICATE_C:
244 case SSL2_ST_SEND_CLIENT_CERTIFICATE_D:
245 case SSL2_ST_X509_GET_CLIENT_CERTIFICATE:
246 ret=client_certificate(s);
247 if (ret <= 0) goto end;
249 s->state=SSL2_ST_GET_SERVER_FINISHED_A;
253 if (s->init_buf != NULL)
255 BUF_MEM_free(s->init_buf);
259 /* ERR_clear_error();*/
261 /* If we want to cache session-ids in the client
262 * and we sucessfully add the session-id to the
263 * cache, and there is a callback, then pass it out.
264 * 26/11/96 - eay - only add if not a re-used session.
267 ssl_update_cache(s,SSL_SESS_CACHE_CLIENT);
268 if (s->hit) s->ctx->stats.sess_hit++;
272 s->ctx->stats.sess_connect_good++;
274 if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);
279 SSLerr(SSL_F_SSL2_CONNECT,SSL_R_UNKNOWN_STATE);
284 if ((cb != NULL) && (s->state != state))
288 cb(s,SSL_CB_CONNECT_LOOP,1);
295 cb(s,SSL_CB_CONNECT_EXIT,ret);
299 static int get_server_hello(s)
305 STACK_OF(SSL_CIPHER) *sk=NULL,*cl;
307 buf=(unsigned char *)s->init_buf->data;
309 if (s->state == SSL2_ST_GET_SERVER_HELLO_A)
311 i=ssl2_read(s,(char *)&(buf[s->init_num]),11-s->init_num);
312 if (i < (11-s->init_num))
313 return(ssl2_part_read(s,SSL_F_GET_SERVER_HELLO,i));
315 if (*(p++) != SSL2_MT_SERVER_HELLO)
317 if (p[-1] != SSL2_MT_ERROR)
319 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
320 SSLerr(SSL_F_GET_SERVER_HELLO,
321 SSL_R_READ_WRONG_PACKET_TYPE);
324 SSLerr(SSL_F_GET_SERVER_HELLO,
329 s->s2->tmp.cert_type= *(p++);
331 if (i < s->version) s->version=i;
332 n2s(p,i); s->s2->tmp.cert_length=i;
333 n2s(p,i); s->s2->tmp.csl=i;
334 n2s(p,i); s->s2->tmp.conn_id_length=i;
335 s->state=SSL2_ST_GET_SERVER_HELLO_B;
339 /* SSL2_ST_GET_SERVER_HELLO_B */
340 j=s->s2->tmp.cert_length+s->s2->tmp.csl+s->s2->tmp.conn_id_length
342 i=ssl2_read(s,(char *)&(buf[s->init_num]),j);
343 if (i != j) return(ssl2_part_read(s,SSL_F_GET_SERVER_HELLO,i));
345 /* things are looking good */
350 if (s->s2->tmp.cert_length != 0)
352 SSLerr(SSL_F_GET_SERVER_HELLO,SSL_R_REUSE_CERT_LENGTH_NOT_ZERO);
355 if (s->s2->tmp.cert_type != 0)
358 SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG))
360 SSLerr(SSL_F_GET_SERVER_HELLO,SSL_R_REUSE_CERT_TYPE_NOT_ZERO);
364 if (s->s2->tmp.csl != 0)
366 SSLerr(SSL_F_GET_SERVER_HELLO,SSL_R_REUSE_CIPHER_LIST_NOT_ZERO);
374 memset(s->session->session_id,0,
375 SSL_MAX_SSL_SESSION_ID_LENGTH_IN_BYTES);
376 s->session->session_id_length=0;
380 /* we need to do this incase we were trying to reuse a
381 * client session but others are already reusing it.
382 * If this was a new 'blank' session ID, the session-id
383 * length will still be 0 */
384 if (s->session->session_id_length > 0)
386 if (!ssl_get_new_session(s,0))
388 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
393 if (ssl2_set_certificate(s,s->s2->tmp.cert_type,
394 s->s2->tmp.cert_length,p) <= 0)
396 ssl2_return_error(s,SSL2_PE_BAD_CERTIFICATE);
399 p+=s->s2->tmp.cert_length;
401 if (s->s2->tmp.csl == 0)
403 ssl2_return_error(s,SSL2_PE_NO_CIPHER);
404 SSLerr(SSL_F_GET_SERVER_HELLO,SSL_R_NO_CIPHER_LIST);
408 /* We have just received a list of ciphers back from the
409 * server. We need to get the ones that match, then select
410 * the one we want the most :-). */
412 /* load the ciphers */
413 sk=ssl_bytes_to_cipher_list(s,p,s->s2->tmp.csl,
414 &s->session->ciphers);
418 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
419 SSLerr(SSL_F_GET_SERVER_HELLO,ERR_R_MALLOC_FAILURE);
423 sk_SSL_CIPHER_set_cmp_func(sk,ssl_cipher_ptr_id_cmp);
425 /* get the array of ciphers we will accept */
426 cl=ssl_get_ciphers_by_id(s);
428 /* In theory we could have ciphers sent back that we
429 * don't want to use but that does not matter since we
430 * will check against the list we origionally sent and
431 * for performance reasons we should not bother to match
432 * the two lists up just to check. */
433 for (i=0; i<sk_SSL_CIPHER_num(cl); i++)
435 if (sk_SSL_CIPHER_find(sk,
436 sk_SSL_CIPHER_value(cl,i)) >= 0)
440 if (i >= sk_SSL_CIPHER_num(cl))
442 ssl2_return_error(s,SSL2_PE_NO_CIPHER);
443 SSLerr(SSL_F_GET_SERVER_HELLO,SSL_R_NO_CIPHER_MATCH);
446 s->session->cipher=sk_SSL_CIPHER_value(cl,i);
449 if ((s->session != NULL) && (s->session->peer != NULL))
450 X509_free(s->session->peer);
452 /* hmmm, can we have the problem of the other session with this
453 * cert, Free's it before we increment the reference count. */
454 CRYPTO_w_lock(CRYPTO_LOCK_X509);
455 s->session->peer=s->session->cert->key->x509;
456 CRYPTO_add(&s->session->peer->references,1,CRYPTO_LOCK_X509);
457 CRYPTO_w_unlock(CRYPTO_LOCK_X509);
459 s->s2->conn_id_length=s->s2->tmp.conn_id_length;
460 memcpy(s->s2->conn_id,p,s->s2->tmp.conn_id_length);
464 static int client_hello(s)
469 /* CIPHER **cipher;*/
472 buf=(unsigned char *)s->init_buf->data;
473 if (s->state == SSL2_ST_SEND_CLIENT_HELLO_A)
475 if ((s->session == NULL) ||
476 (s->session->ssl_version != s->version))
478 if (!ssl_get_new_session(s,0))
480 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
484 /* else use the pre-loaded session */
487 d=p+9; /* data section */
488 *(p++)=SSL2_MT_CLIENT_HELLO; /* type */
489 s2n(SSL2_VERSION,p); /* version */
492 n=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),d);
497 SSLerr(SSL_F_CLIENT_HELLO,SSL_R_NO_CIPHERS_AVAILABLE);
501 s2n(n,p); /* cipher spec num bytes */
503 if ((s->session->session_id_length > 0) &&
504 (s->session->session_id_length <=
505 SSL2_MAX_SSL_SESSION_ID_LENGTH))
507 i=s->session->session_id_length;
508 s2n(i,p); /* session id length */
509 memcpy(d,s->session->session_id,(unsigned int)i);
517 s->s2->challenge_length=SSL2_CHALLENGE_LENGTH;
518 s2n(SSL2_CHALLENGE_LENGTH,p); /* challenge length */
519 /*challenge id data*/
520 RAND_bytes(s->s2->challenge,SSL2_CHALLENGE_LENGTH);
521 memcpy(d,s->s2->challenge,SSL2_CHALLENGE_LENGTH);
522 d+=SSL2_CHALLENGE_LENGTH;
524 s->state=SSL2_ST_SEND_CLIENT_HELLO_B;
528 /* SSL2_ST_SEND_CLIENT_HELLO_B */
529 return(ssl2_do_write(s));
532 static int client_master_key(s)
537 int clear,enc,karg,i;
542 buf=(unsigned char *)s->init_buf->data;
543 if (s->state == SSL2_ST_SEND_CLIENT_MASTER_KEY_A)
546 if (!ssl_cipher_get_evp(s->session,&c,&md,NULL))
548 ssl2_return_error(s,SSL2_PE_NO_CIPHER);
549 SSLerr(SSL_F_CLIENT_MASTER_KEY,SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS);
555 *(p++)=SSL2_MT_CLIENT_MASTER_KEY;/* type */
557 i=ssl_put_cipher_by_char(s,sess->cipher,p);
560 /* make key_arg data */
561 i=EVP_CIPHER_iv_length(c);
562 sess->key_arg_length=i;
563 if (i > 0) RAND_bytes(sess->key_arg,i);
565 /* make a master key */
566 i=EVP_CIPHER_key_length(c);
567 sess->master_key_length=i;
568 if (i > 0) RAND_bytes(sess->master_key,i);
570 if (sess->cipher->algorithm2 & SSL2_CF_8_BYTE_ENC)
572 else if (SSL_C_IS_EXPORT(sess->cipher))
579 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
580 SSLerr(SSL_F_CLIENT_MASTER_KEY,SSL_R_CIPHER_TABLE_SRC_ERROR);
585 memcpy(d,sess->master_key,(unsigned int)clear);
588 enc=ssl_rsa_public_encrypt(sess->cert,enc,
589 &(sess->master_key[clear]),d,
590 (s->s2->ssl2_rollback)?RSA_SSLV23_PADDING:RSA_PKCS1_PADDING);
593 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
594 SSLerr(SSL_F_CLIENT_MASTER_KEY,SSL_R_PUBLIC_KEY_ENCRYPT_ERROR);
598 if (s->options & SSL_OP_PKCS1_CHECK_1) d[1]++;
599 if (s->options & SSL_OP_PKCS1_CHECK_2)
600 sess->master_key[clear]++;
604 karg=sess->key_arg_length;
605 s2n(karg,p); /* key arg size */
606 memcpy(d,sess->key_arg,(unsigned int)karg);
609 s->state=SSL2_ST_SEND_CLIENT_MASTER_KEY_B;
614 /* SSL2_ST_SEND_CLIENT_MASTER_KEY_B */
615 return(ssl2_do_write(s));
618 static int client_finished(s)
623 if (s->state == SSL2_ST_SEND_CLIENT_FINISHED_A)
625 p=(unsigned char *)s->init_buf->data;
626 *(p++)=SSL2_MT_CLIENT_FINISHED;
627 memcpy(p,s->s2->conn_id,(unsigned int)s->s2->conn_id_length);
629 s->state=SSL2_ST_SEND_CLIENT_FINISHED_B;
630 s->init_num=s->s2->conn_id_length+1;
633 return(ssl2_do_write(s));
636 /* read the data and then respond */
637 static int client_certificate(s)
645 unsigned char *cert_ch;
647 buf=(unsigned char *)s->init_buf->data;
650 /* We have a cert associated with the SSL, so attach it to
651 * the session if it does not have one */
653 if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_A)
655 i=ssl2_read(s,(char *)&(buf[s->init_num]),
656 SSL2_MAX_CERT_CHALLENGE_LENGTH+1-s->init_num);
657 if (i<(SSL2_MIN_CERT_CHALLENGE_LENGTH+1-s->init_num))
658 return(ssl2_part_read(s,SSL_F_CLIENT_CERTIFICATE,i));
662 if (buf[1] != SSL2_AT_MD5_WITH_RSA_ENCRYPTION)
664 ssl2_return_error(s,SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE);
665 SSLerr(SSL_F_CLIENT_CERTIFICATE,SSL_R_BAD_AUTHENTICATION_TYPE);
670 if ((s->cert == NULL) ||
671 (s->cert->key->x509 == NULL) ||
672 (s->cert->key->privatekey == NULL))
674 s->state=SSL2_ST_X509_GET_CLIENT_CERTIFICATE;
677 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_C;
680 if (s->state == SSL2_ST_X509_GET_CLIENT_CERTIFICATE)
685 /* If we get an error we need to
686 * ssl->rwstate=SSL_X509_LOOKUP;
688 * We should then be retried when things are ok and we
689 * can get a cert or not */
692 if (s->ctx->client_cert_cb != NULL)
694 i=s->ctx->client_cert_cb(s,&(x509),&(pkey));
699 s->rwstate=SSL_X509_LOOKUP;
702 s->rwstate=SSL_NOTHING;
704 if ((i == 1) && (pkey != NULL) && (x509 != NULL))
706 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_C;
707 if ( !SSL_use_certificate(s,x509) ||
708 !SSL_use_PrivateKey(s,pkey))
717 if (x509 != NULL) X509_free(x509);
718 if (pkey != NULL) EVP_PKEY_free(pkey);
719 SSLerr(SSL_F_CLIENT_CERTIFICATE,SSL_R_BAD_DATA_RETURNED_BY_CALLBACK);
725 /* We have no client certificate to respond with
726 * so send the correct error message back */
727 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_B;
729 *(p++)=SSL2_MT_ERROR;
730 s2n(SSL2_PE_NO_CERTIFICATE,p);
733 /* Write is done at the end */
737 if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_B)
739 return(ssl2_do_write(s));
742 if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_C)
746 /* ok, now we calculate the checksum
747 * do it first so we can reuse buf :-) */
749 EVP_SignInit(&ctx,s->ctx->rsa_md5);
750 EVP_SignUpdate(&ctx,s->s2->key_material,
751 (unsigned int)s->s2->key_material_length);
752 EVP_SignUpdate(&ctx,cert_ch,(unsigned int)cert_ch_len);
753 n=i2d_X509(s->session->cert->key->x509,&p);
754 EVP_SignUpdate(&ctx,buf,(unsigned int)n);
758 *(p++)=SSL2_MT_CLIENT_CERTIFICATE;
759 *(p++)=SSL2_CT_X509_CERTIFICATE;
760 n=i2d_X509(s->cert->key->x509,&d);
763 if (!EVP_SignFinal(&ctx,d,&n,s->cert->key->privatekey))
765 /* this is not good. If things have failed it
766 * means there so something wrong with the key.
767 * We will contiune with a 0 length signature
770 memset(&ctx,0,sizeof(ctx));
774 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_D;
778 /* if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_D) */
779 return(ssl2_do_write(s));
782 static int get_server_verify(s)
788 p=(unsigned char *)s->init_buf->data;
789 if (s->state == SSL2_ST_GET_SERVER_VERIFY_A)
791 i=ssl2_read(s,(char *)&(p[s->init_num]),1-s->init_num);
792 if (i < (1-s->init_num))
793 return(ssl2_part_read(s,SSL_F_GET_SERVER_VERIFY,i));
795 s->state= SSL2_ST_GET_SERVER_VERIFY_B;
797 if (*p != SSL2_MT_SERVER_VERIFY)
799 if (p[0] != SSL2_MT_ERROR)
801 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
802 SSLerr(SSL_F_GET_SERVER_VERIFY,
803 SSL_R_READ_WRONG_PACKET_TYPE);
806 SSLerr(SSL_F_GET_SERVER_VERIFY,
812 p=(unsigned char *)s->init_buf->data;
813 i=ssl2_read(s,(char *)&(p[s->init_num]),
814 (unsigned int)s->s2->challenge_length-s->init_num);
815 if (i < ((int)s->s2->challenge_length-s->init_num))
816 return(ssl2_part_read(s,SSL_F_GET_SERVER_VERIFY,i));
817 if (memcmp(p,s->s2->challenge,(unsigned int)s->s2->challenge_length) != 0)
819 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
820 SSLerr(SSL_F_GET_SERVER_VERIFY,SSL_R_CHALLENGE_IS_DIFFERENT);
826 static int get_server_finished(s)
833 buf=(unsigned char *)s->init_buf->data;
835 if (s->state == SSL2_ST_GET_SERVER_FINISHED_A)
837 i=ssl2_read(s,(char *)&(buf[s->init_num]),1-s->init_num);
838 if (i < (1-s->init_num))
839 return(ssl2_part_read(s,SSL_F_GET_SERVER_FINISHED,i));
841 if (*p == SSL2_MT_REQUEST_CERTIFICATE)
843 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_A;
846 else if (*p != SSL2_MT_SERVER_FINISHED)
848 if (p[0] != SSL2_MT_ERROR)
850 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
851 SSLerr(SSL_F_GET_SERVER_FINISHED,SSL_R_READ_WRONG_PACKET_TYPE);
854 SSLerr(SSL_F_GET_SERVER_FINISHED,SSL_R_PEER_ERROR);
861 i=ssl2_read(s,(char *)&(buf[s->init_num]),
862 SSL2_SSL_SESSION_ID_LENGTH-s->init_num);
863 if (i < (SSL2_SSL_SESSION_ID_LENGTH-s->init_num))
864 return(ssl2_part_read(s,SSL_F_GET_SERVER_FINISHED,i));
866 if (!s->hit) /* new session */
869 /* Make sure we were not trying to re-use an old SSL_SESSION
870 * or bad things can happen */
872 s->session->session_id_length=SSL2_SSL_SESSION_ID_LENGTH;
873 memcpy(s->session->session_id,p,SSL2_SSL_SESSION_ID_LENGTH);
877 if (!(s->options & SSL_OP_MICROSOFT_SESS_ID_BUG))
879 if (memcmp(buf,s->session->session_id,
880 (unsigned int)s->session->session_id_length) != 0)
882 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
883 SSLerr(SSL_F_GET_SERVER_FINISHED,SSL_R_SSL_SESSION_ID_IS_DIFFERENT);
891 /* loads in the certificate from the server */
892 int ssl2_set_certificate(s, type, len, data)
898 STACK_OF(X509) *sk=NULL;
905 x509=d2i_X509(NULL,&data,(long)len);
908 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,ERR_R_X509_LIB);
912 if ((sk=sk_X509_new_null()) == NULL || !sk_X509_push(sk,x509))
914 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,ERR_R_MALLOC_FAILURE);
918 i=ssl_verify_cert_chain(s,sk);
920 if ((s->verify_mode != SSL_VERIFY_NONE) && (!i))
922 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,SSL_R_CERTIFICATE_VERIFY_FAILED);
934 /* cert for session */
935 if (s->session->cert) ssl_cert_free(s->session->cert);
938 /* c->cert_type=type; */
940 c->pkeys[SSL_PKEY_RSA_ENC].x509=x509;
941 c->key= &(c->pkeys[SSL_PKEY_RSA_ENC]);
943 pkey=X509_get_pubkey(x509);
947 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY);
950 if (pkey->type != EVP_PKEY_RSA)
952 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,SSL_R_PUBLIC_KEY_NOT_RSA);
956 if (!ssl_set_cert_type(c,SSL2_CT_X509_CERTIFICATE))
966 static int ssl_rsa_public_encrypt(c, len, from, to, padding)
976 if ((c == NULL) || (c->key->x509 == NULL) ||
977 ((pkey=X509_get_pubkey(c->key->x509)) == NULL))
979 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT,SSL_R_NO_PUBLICKEY);
982 if (pkey->type != EVP_PKEY_RSA)
984 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT,SSL_R_PUBLIC_KEY_IS_NOT_RSA);
988 /* we have the public key */
989 i=RSA_public_encrypt(len,from,to,pkey->pkey.rsa,padding);
991 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT,ERR_R_RSA_LIB);