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 int get_server_finished(SSL *s);
68 static int get_server_verify(SSL *s);
69 static int get_server_hello(SSL *s);
70 static int client_hello(SSL *s);
71 static int client_master_key(SSL *s);
72 static int client_finished(SSL *s);
73 static int client_certificate(SSL *s);
74 static int ssl_rsa_public_encrypt(CERT *c, int len, unsigned char *from,
75 unsigned char *to,int padding);
77 static int get_server_finished();
78 static int get_server_verify();
79 static int get_server_hello();
80 static int client_hello();
81 static int client_master_key();
82 static int client_finished();
83 static int client_certificate();
84 static int ssl_rsa_public_encrypt();
89 static SSL_METHOD *ssl2_get_client_method(ver)
92 if (ver == SSL2_VERSION)
93 return(SSLv2_client_method());
98 SSL_METHOD *SSLv2_client_method()
101 static SSL_METHOD SSLv2_client_data;
106 memcpy((char *)&SSLv2_client_data,(char *)sslv2_base_method(),
108 SSLv2_client_data.ssl_connect=ssl2_connect;
109 SSLv2_client_data.get_ssl_method=ssl2_get_client_method;
111 return(&SSLv2_client_data);
117 unsigned long l=time(NULL);
123 RAND_seed((unsigned char *)&l,sizeof(l));
127 if (s->info_callback != NULL)
129 else if (s->ctx->info_callback != NULL)
130 cb=s->ctx->info_callback;
132 /* init things to blank */
133 if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);
144 case SSL_ST_BEFORE|SSL_ST_CONNECT:
145 case SSL_ST_OK|SSL_ST_CONNECT:
147 if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
149 s->version=SSL2_VERSION;
150 s->type=SSL_ST_CONNECT;
153 if ((buf == NULL) && ((buf=BUF_MEM_new()) == NULL))
158 if (!BUF_MEM_grow(buf,
159 SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER))
166 s->state=SSL2_ST_SEND_CLIENT_HELLO_A;
167 s->ctx->sess_connect++;
168 s->handshake_func=ssl2_connect;
171 case SSL2_ST_SEND_CLIENT_HELLO_A:
172 case SSL2_ST_SEND_CLIENT_HELLO_B:
175 if (ret <= 0) goto end;
177 s->state=SSL2_ST_GET_SERVER_HELLO_A;
180 case SSL2_ST_GET_SERVER_HELLO_A:
181 case SSL2_ST_GET_SERVER_HELLO_B:
182 ret=get_server_hello(s);
183 if (ret <= 0) goto end;
185 if (!s->hit) /* new session */
187 s->state=SSL2_ST_SEND_CLIENT_MASTER_KEY_A;
192 s->state=SSL2_ST_CLIENT_START_ENCRYPTION;
196 case SSL2_ST_SEND_CLIENT_MASTER_KEY_A:
197 case SSL2_ST_SEND_CLIENT_MASTER_KEY_B:
198 ret=client_master_key(s);
199 if (ret <= 0) goto end;
201 s->state=SSL2_ST_CLIENT_START_ENCRYPTION;
204 case SSL2_ST_CLIENT_START_ENCRYPTION:
205 /* Ok, we now have all the stuff needed to
206 * start encrypting, so lets fire it up :-) */
207 if (!ssl2_enc_init(s,1))
213 s->state=SSL2_ST_SEND_CLIENT_FINISHED_A;
216 case SSL2_ST_SEND_CLIENT_FINISHED_A:
217 case SSL2_ST_SEND_CLIENT_FINISHED_B:
218 ret=client_finished(s);
219 if (ret <= 0) goto end;
221 s->state=SSL2_ST_GET_SERVER_VERIFY_A;
224 case SSL2_ST_GET_SERVER_VERIFY_A:
225 case SSL2_ST_GET_SERVER_VERIFY_B:
226 ret=get_server_verify(s);
227 if (ret <= 0) goto end;
229 s->state=SSL2_ST_GET_SERVER_FINISHED_A;
232 case SSL2_ST_GET_SERVER_FINISHED_A:
233 case SSL2_ST_GET_SERVER_FINISHED_B:
234 ret=get_server_finished(s);
235 if (ret <= 0) goto end;
238 case SSL2_ST_SEND_CLIENT_CERTIFICATE_A:
239 case SSL2_ST_SEND_CLIENT_CERTIFICATE_B:
240 case SSL2_ST_SEND_CLIENT_CERTIFICATE_C:
241 case SSL2_ST_SEND_CLIENT_CERTIFICATE_D:
242 case SSL2_ST_X509_GET_CLIENT_CERTIFICATE:
243 ret=client_certificate(s);
244 if (ret <= 0) goto end;
246 s->state=SSL2_ST_GET_SERVER_FINISHED_A;
250 BUF_MEM_free(s->init_buf);
253 /* ERR_clear_error();*/
255 /* If we want to cache session-ids in the client
256 * and we sucessfully add the session-id to the
257 * cache, and there is a callback, then pass it out.
258 * 26/11/96 - eay - only add if not a re-used session.
261 ssl_update_cache(s,SSL_SESS_CACHE_CLIENT);
262 if (s->hit) s->ctx->sess_hit++;
266 s->ctx->sess_connect_good++;
268 if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);
273 SSLerr(SSL_F_SSL2_CONNECT,SSL_R_UNKNOWN_STATE);
278 if ((cb != NULL) && (s->state != state))
282 cb(s,SSL_CB_CONNECT_LOOP,1);
289 cb(s,SSL_CB_CONNECT_EXIT,ret);
293 static int get_server_hello(s)
301 buf=(unsigned char *)s->init_buf->data;
303 if (s->state == SSL2_ST_GET_SERVER_HELLO_A)
305 i=ssl2_read(s,(char *)&(buf[s->init_num]),11-s->init_num);
306 if (i < (11-s->init_num))
307 return(ssl2_part_read(s,SSL_F_GET_SERVER_HELLO,i));
309 if (*(p++) != SSL2_MT_SERVER_HELLO)
311 if (p[-1] != SSL2_MT_ERROR)
313 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
314 SSLerr(SSL_F_GET_SERVER_HELLO,
315 SSL_R_READ_WRONG_PACKET_TYPE);
318 SSLerr(SSL_F_GET_SERVER_HELLO,
323 s->s2->tmp.cert_type= *(p++);
325 if (i < s->version) s->version=i;
326 n2s(p,i); s->s2->tmp.cert_length=i;
327 n2s(p,i); s->s2->tmp.csl=i;
328 n2s(p,i); s->s2->tmp.conn_id_length=i;
329 s->state=SSL2_ST_GET_SERVER_HELLO_B;
333 /* SSL2_ST_GET_SERVER_HELLO_B */
334 j=s->s2->tmp.cert_length+s->s2->tmp.csl+s->s2->tmp.conn_id_length
336 i=ssl2_read(s,(char *)&(buf[s->init_num]),j);
337 if (i != j) return(ssl2_part_read(s,SSL_F_GET_SERVER_HELLO,i));
339 /* things are looking good */
344 if (s->s2->tmp.cert_length != 0)
346 SSLerr(SSL_F_GET_SERVER_HELLO,SSL_R_REUSE_CERT_LENGTH_NOT_ZERO);
349 if (s->s2->tmp.cert_type != 0)
352 SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG))
354 SSLerr(SSL_F_GET_SERVER_HELLO,SSL_R_REUSE_CERT_TYPE_NOT_ZERO);
358 if (s->s2->tmp.csl != 0)
360 SSLerr(SSL_F_GET_SERVER_HELLO,SSL_R_REUSE_CIPHER_LIST_NOT_ZERO);
368 memset(s->session->session_id,0,
369 SSL_MAX_SSL_SESSION_ID_LENGTH_IN_BYTES);
370 s->session->session_id_length=0;
374 /* we need to do this incase we were trying to reuse a
375 * client session but others are already reusing it.
376 * If this was a new 'blank' session ID, the session-id
377 * length will still be 0 */
378 if (s->session->session_id_length > 0)
380 if (!ssl_get_new_session(s,0))
382 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
387 if (ssl2_set_certificate(s,s->s2->tmp.cert_type,
388 s->s2->tmp.cert_length,p) <= 0)
390 ssl2_return_error(s,SSL2_PE_BAD_CERTIFICATE);
393 p+=s->s2->tmp.cert_length;
395 if (s->s2->tmp.csl == 0)
397 ssl2_return_error(s,SSL2_PE_NO_CIPHER);
398 SSLerr(SSL_F_GET_SERVER_HELLO,SSL_R_NO_CIPHER_LIST);
402 /* We have just received a list of ciphers back from the
403 * server. We need to get the ones that match, then select
404 * the one we want the most :-). */
406 /* load the ciphers */
407 sk=ssl_bytes_to_cipher_list(s,p,s->s2->tmp.csl,
408 &s->session->ciphers);
412 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
413 SSLerr(SSL_F_GET_SERVER_HELLO,ERR_R_MALLOC_FAILURE);
417 sk_set_cmp_func(sk,ssl_cipher_ptr_id_cmp);
419 /* get the array of ciphers we will accept */
420 cl=ssl_get_ciphers_by_id(s);
422 /* In theory we could have ciphers sent back that we
423 * don't want to use but that does not matter since we
424 * will check against the list we origionally sent and
425 * for performance reasons we should not bother to match
426 * the two lists up just to check. */
427 for (i=0; i<sk_num(cl); i++)
429 if (sk_find(sk,sk_value(cl,i)) >= 0)
435 ssl2_return_error(s,SSL2_PE_NO_CIPHER);
436 SSLerr(SSL_F_GET_SERVER_HELLO,SSL_R_NO_CIPHER_MATCH);
439 s->session->cipher=(SSL_CIPHER *)sk_value(cl,i);
442 if ((s->session != NULL) && (s->session->peer != NULL))
443 X509_free(s->session->peer);
445 /* hmmm, can we have the problem of the other session with this
446 * cert, Free's it before we increment the reference count. */
447 CRYPTO_w_lock(CRYPTO_LOCK_X509);
448 s->session->peer=s->session->cert->key->x509;
449 CRYPTO_add(&s->session->peer->references,1,CRYPTO_LOCK_X509);
450 CRYPTO_w_unlock(CRYPTO_LOCK_X509);
452 s->s2->conn_id_length=s->s2->tmp.conn_id_length;
453 memcpy(s->s2->conn_id,p,s->s2->tmp.conn_id_length);
457 static int client_hello(s)
462 /* CIPHER **cipher;*/
465 buf=(unsigned char *)s->init_buf->data;
466 if (s->state == SSL2_ST_SEND_CLIENT_HELLO_A)
468 if ((s->session == NULL) ||
469 (s->session->ssl_version != s->version))
471 if (!ssl_get_new_session(s,0))
473 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
477 /* else use the pre-loaded session */
480 d=p+9; /* data section */
481 *(p++)=SSL2_MT_CLIENT_HELLO; /* type */
482 s2n(SSL2_CLIENT_VERSION,p); /* version */
485 n=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),d);
490 SSLerr(SSL_F_CLIENT_HELLO,SSL_R_NO_CIPHERS_AVAILABLE);
494 s2n(n,p); /* cipher spec num bytes */
496 if ((s->session->session_id_length > 0) &&
497 (s->session->session_id_length <=
498 SSL2_MAX_SSL_SESSION_ID_LENGTH))
500 i=s->session->session_id_length;
501 s2n(i,p); /* session id length */
502 memcpy(d,s->session->session_id,(unsigned int)i);
510 s->s2->challenge_length=SSL2_CHALLENGE_LENGTH;
511 s2n(SSL2_CHALLENGE_LENGTH,p); /* challenge length */
512 /*challenge id data*/
513 RAND_bytes(s->s2->challenge,SSL2_CHALLENGE_LENGTH);
514 memcpy(d,s->s2->challenge,SSL2_CHALLENGE_LENGTH);
515 d+=SSL2_CHALLENGE_LENGTH;
517 s->state=SSL2_ST_SEND_CLIENT_HELLO_B;
521 /* SSL2_ST_SEND_CLIENT_HELLO_B */
522 return(ssl2_do_write(s));
525 static int client_master_key(s)
530 int clear,enc,karg,i;
535 buf=(unsigned char *)s->init_buf->data;
536 if (s->state == SSL2_ST_SEND_CLIENT_MASTER_KEY_A)
539 if (!ssl_cipher_get_evp(s->session->cipher,&c,&md))
541 ssl2_return_error(s,SSL2_PE_NO_CIPHER);
542 SSLerr(SSL_F_CLIENT_MASTER_KEY,SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS);
548 *(p++)=SSL2_MT_CLIENT_MASTER_KEY;/* type */
550 i=ssl_put_cipher_by_char(s,sess->cipher,p);
553 /* make key_arg data */
554 i=EVP_CIPHER_iv_length(c);
555 sess->key_arg_length=i;
556 if (i > 0) RAND_bytes(sess->key_arg,i);
558 /* make a master key */
559 i=EVP_CIPHER_key_length(c);
560 sess->master_key_length=i;
561 if (i > 0) RAND_bytes(sess->master_key,i);
563 if (sess->cipher->algorithm2 & SSL2_CF_8_BYTE_ENC)
565 else if (sess->cipher->algorithms & SSL_EXP)
572 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
573 SSLerr(SSL_F_CLIENT_MASTER_KEY,SSL_R_CIPHER_TABLE_SRC_ERROR);
578 memcpy(d,sess->master_key,(unsigned int)clear);
581 enc=ssl_rsa_public_encrypt(sess->cert,enc,
582 &(sess->master_key[clear]),d,
583 (s->s2->ssl2_rollback)?RSA_SSLV23_PADDING:RSA_PKCS1_PADDING);
586 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
587 SSLerr(SSL_F_CLIENT_MASTER_KEY,SSL_R_PUBLIC_KEY_ENCRYPT_ERROR);
591 if (s->options & SSL_OP_PKCS1_CHECK_1) d[1]++;
592 if (s->options & SSL_OP_PKCS1_CHECK_2)
593 sess->master_key[clear]++;
597 karg=sess->key_arg_length;
598 s2n(karg,p); /* key arg size */
599 memcpy(d,sess->key_arg,(unsigned int)karg);
602 s->state=SSL2_ST_SEND_CLIENT_MASTER_KEY_B;
607 /* SSL2_ST_SEND_CLIENT_MASTER_KEY_B */
608 return(ssl2_do_write(s));
611 static int client_finished(s)
616 if (s->state == SSL2_ST_SEND_CLIENT_FINISHED_A)
618 p=(unsigned char *)s->init_buf->data;
619 *(p++)=SSL2_MT_CLIENT_FINISHED;
620 memcpy(p,s->s2->conn_id,(unsigned int)s->s2->conn_id_length);
622 s->state=SSL2_ST_SEND_CLIENT_FINISHED_B;
623 s->init_num=s->s2->conn_id_length+1;
626 return(ssl2_do_write(s));
629 /* read the data and then respond */
630 static int client_certificate(s)
638 unsigned char *cert_ch;
640 buf=(unsigned char *)s->init_buf->data;
643 /* We have a cert associated with the SSL, so attach it to
644 * the session if it does not have one */
646 if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_A)
648 i=ssl2_read(s,(char *)&(buf[s->init_num]),
649 SSL2_MAX_CERT_CHALLENGE_LENGTH+1-s->init_num);
650 if (i<(SSL2_MIN_CERT_CHALLENGE_LENGTH+1-s->init_num))
651 return(ssl2_part_read(s,SSL_F_CLIENT_CERTIFICATE,i));
655 if (buf[1] != SSL2_AT_MD5_WITH_RSA_ENCRYPTION)
657 ssl2_return_error(s,SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE);
658 SSLerr(SSL_F_CLIENT_CERTIFICATE,SSL_R_BAD_AUTHENTICATION_TYPE);
663 if ((s->cert == NULL) ||
664 (s->cert->key->x509 == NULL) ||
665 (s->cert->key->privatekey == NULL))
667 s->state=SSL2_ST_X509_GET_CLIENT_CERTIFICATE;
670 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_C;
673 if (s->state == SSL2_ST_X509_GET_CLIENT_CERTIFICATE)
678 /* If we get an error we need to
679 * ssl->rwstate=SSL_X509_LOOKUP;
681 * We should then be retried when things are ok and we
682 * can get a cert or not */
685 if (s->ctx->client_cert_cb != NULL)
687 i=s->ctx->client_cert_cb(s,&(x509),&(pkey));
692 s->rwstate=SSL_X509_LOOKUP;
695 s->rwstate=SSL_NOTHING;
697 if ((i == 1) && (pkey != NULL) && (x509 != NULL))
699 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_C;
700 if ( !SSL_use_certificate(s,x509) ||
701 !SSL_use_PrivateKey(s,pkey))
710 if (x509 != NULL) X509_free(x509);
711 if (pkey != NULL) EVP_PKEY_free(pkey);
712 SSLerr(SSL_F_CLIENT_CERTIFICATE,SSL_R_BAD_DATA_RETURNED_BY_CALLBACK);
718 /* We have no client certificate to respond with
719 * so send the correct error message back */
720 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_B;
722 *(p++)=SSL2_MT_ERROR;
723 s2n(SSL2_PE_NO_CERTIFICATE,p);
726 /* Write is done at the end */
730 if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_B)
732 return(ssl2_do_write(s));
735 if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_C)
739 /* ok, now we calculate the checksum
740 * do it first so we can reuse buf :-) */
742 EVP_SignInit(&ctx,s->ctx->rsa_md5);
743 EVP_SignUpdate(&ctx,s->s2->key_material,
744 (unsigned int)s->s2->key_material_length);
745 EVP_SignUpdate(&ctx,cert_ch,(unsigned int)cert_ch_len);
746 n=i2d_X509(s->session->cert->key->x509,&p);
747 EVP_SignUpdate(&ctx,buf,(unsigned int)n);
751 *(p++)=SSL2_MT_CLIENT_CERTIFICATE;
752 *(p++)=SSL2_CT_X509_CERTIFICATE;
753 n=i2d_X509(s->cert->key->x509,&d);
756 if (!EVP_SignFinal(&ctx,d,&n,s->cert->key->privatekey))
758 /* this is not good. If things have failed it
759 * means there so something wrong with the key.
760 * We will contiune with a 0 length signature
763 memset(&ctx,0,sizeof(ctx));
767 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_D;
771 /* if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_D) */
772 return(ssl2_do_write(s));
775 static int get_server_verify(s)
781 p=(unsigned char *)s->init_buf->data;
782 if (s->state == SSL2_ST_GET_SERVER_VERIFY_A)
784 i=ssl2_read(s,(char *)&(p[s->init_num]),1-s->init_num);
785 if (i < (1-s->init_num))
786 return(ssl2_part_read(s,SSL_F_GET_SERVER_VERIFY,i));
788 s->state= SSL2_ST_GET_SERVER_VERIFY_B;
790 if (*p != SSL2_MT_SERVER_VERIFY)
792 if (p[0] != SSL2_MT_ERROR)
794 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
795 SSLerr(SSL_F_GET_SERVER_VERIFY,
796 SSL_R_READ_WRONG_PACKET_TYPE);
799 SSLerr(SSL_F_GET_SERVER_VERIFY,
805 p=(unsigned char *)s->init_buf->data;
806 i=ssl2_read(s,(char *)&(p[s->init_num]),
807 (unsigned int)s->s2->challenge_length-s->init_num);
808 if (i < ((int)s->s2->challenge_length-s->init_num))
809 return(ssl2_part_read(s,SSL_F_GET_SERVER_VERIFY,i));
810 if (memcmp(p,s->s2->challenge,(unsigned int)s->s2->challenge_length) != 0)
812 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
813 SSLerr(SSL_F_GET_SERVER_VERIFY,SSL_R_CHALLENGE_IS_DIFFERENT);
819 static int get_server_finished(s)
826 buf=(unsigned char *)s->init_buf->data;
828 if (s->state == SSL2_ST_GET_SERVER_FINISHED_A)
830 i=ssl2_read(s,(char *)&(buf[s->init_num]),1-s->init_num);
831 if (i < (1-s->init_num))
832 return(ssl2_part_read(s,SSL_F_GET_SERVER_FINISHED,i));
834 if (*p == SSL2_MT_REQUEST_CERTIFICATE)
836 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_A;
839 else if (*p != SSL2_MT_SERVER_FINISHED)
841 if (p[0] != SSL2_MT_ERROR)
843 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
844 SSLerr(SSL_F_GET_SERVER_FINISHED,SSL_R_READ_WRONG_PACKET_TYPE);
847 SSLerr(SSL_F_GET_SERVER_FINISHED,SSL_R_PEER_ERROR);
854 i=ssl2_read(s,(char *)&(buf[s->init_num]),
855 SSL2_SSL_SESSION_ID_LENGTH-s->init_num);
856 if (i < (SSL2_SSL_SESSION_ID_LENGTH-s->init_num))
857 return(ssl2_part_read(s,SSL_F_GET_SERVER_FINISHED,i));
859 if (!s->hit) /* new session */
862 /* Make sure we were not trying to re-use an old SSL_SESSION
863 * or bad things can happen */
865 s->session->session_id_length=SSL2_SSL_SESSION_ID_LENGTH;
866 memcpy(s->session->session_id,p,SSL2_SSL_SESSION_ID_LENGTH);
870 if (!(s->options & SSL_OP_MICROSOFT_SESS_ID_BUG))
872 if (memcmp(buf,s->session->session_id,
873 (unsigned int)s->session->session_id_length) != 0)
875 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
876 SSLerr(SSL_F_GET_SERVER_FINISHED,SSL_R_SSL_SESSION_ID_IS_DIFFERENT);
884 /* loads in the certificate from the server */
885 int ssl2_set_certificate(s, type, len, data)
898 x509=d2i_X509(NULL,&data,(long)len);
901 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,ERR_R_X509_LIB);
905 if (((sk=sk_new_null()) == NULL) ||
906 (!sk_push(sk,(char *)x509)))
908 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,ERR_R_MALLOC_FAILURE);
912 i=ssl_verify_cert_chain(s,sk);
914 if ((s->verify_mode != SSL_VERIFY_NONE) && (!i))
916 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,SSL_R_CERTIFICATE_VERIFY_FAILED);
928 /* cert for session */
929 if (s->session->cert) ssl_cert_free(s->session->cert);
932 /* c->cert_type=type; */
934 c->pkeys[SSL_PKEY_RSA_ENC].x509=x509;
935 c->key= &(c->pkeys[SSL_PKEY_RSA_ENC]);
937 pkey=X509_get_pubkey(x509);
941 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY);
944 if (pkey->type != EVP_PKEY_RSA)
946 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,SSL_R_PUBLIC_KEY_NOT_RSA);
950 if (!ssl_set_cert_type(c,SSL2_CT_X509_CERTIFICATE))
954 if (sk != NULL) sk_free(sk);
955 if (x509 != NULL) X509_free(x509);
959 static int ssl_rsa_public_encrypt(c, len, from, to, padding)
969 if ((c == NULL) || (c->key->x509 == NULL) ||
970 ((pkey=X509_get_pubkey(c->key->x509)) == NULL))
972 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT,SSL_R_NO_PUBLICKEY);
975 if (pkey->type != EVP_PKEY_RSA)
977 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT,SSL_R_PUBLIC_KEY_IS_NOT_RSA);
981 /* we have the public key */
982 i=RSA_public_encrypt(len,from,to,pkey->pkey.rsa,padding);
984 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT,ERR_R_RSA_LIB);