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
:
149 if (cb
!= NULL
) cb(s
,SSL_CB_HANDSHAKE_START
,1);
151 s
->version
=SSL2_VERSION
;
152 s
->type
=SSL_ST_CONNECT
;
155 if ((buf
== NULL
) && ((buf
=BUF_MEM_new()) == NULL
))
160 if (!BUF_MEM_grow(buf
,
161 SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER
))
168 s
->state
=SSL2_ST_SEND_CLIENT_HELLO_A
;
169 s
->ctx
->sess_connect
++;
170 s
->handshake_func
=ssl2_connect
;
173 case SSL2_ST_SEND_CLIENT_HELLO_A
:
174 case SSL2_ST_SEND_CLIENT_HELLO_B
:
177 if (ret
<= 0) goto end
;
179 s
->state
=SSL2_ST_GET_SERVER_HELLO_A
;
182 case SSL2_ST_GET_SERVER_HELLO_A
:
183 case SSL2_ST_GET_SERVER_HELLO_B
:
184 ret
=get_server_hello(s
);
185 if (ret
<= 0) goto end
;
187 if (!s
->hit
) /* new session */
189 s
->state
=SSL2_ST_SEND_CLIENT_MASTER_KEY_A
;
194 s
->state
=SSL2_ST_CLIENT_START_ENCRYPTION
;
198 case SSL2_ST_SEND_CLIENT_MASTER_KEY_A
:
199 case SSL2_ST_SEND_CLIENT_MASTER_KEY_B
:
200 ret
=client_master_key(s
);
201 if (ret
<= 0) goto end
;
203 s
->state
=SSL2_ST_CLIENT_START_ENCRYPTION
;
206 case SSL2_ST_CLIENT_START_ENCRYPTION
:
207 /* Ok, we now have all the stuff needed to
208 * start encrypting, so lets fire it up :-) */
209 if (!ssl2_enc_init(s
,1))
215 s
->state
=SSL2_ST_SEND_CLIENT_FINISHED_A
;
218 case SSL2_ST_SEND_CLIENT_FINISHED_A
:
219 case SSL2_ST_SEND_CLIENT_FINISHED_B
:
220 ret
=client_finished(s
);
221 if (ret
<= 0) goto end
;
223 s
->state
=SSL2_ST_GET_SERVER_VERIFY_A
;
226 case SSL2_ST_GET_SERVER_VERIFY_A
:
227 case SSL2_ST_GET_SERVER_VERIFY_B
:
228 ret
=get_server_verify(s
);
229 if (ret
<= 0) goto end
;
231 s
->state
=SSL2_ST_GET_SERVER_FINISHED_A
;
234 case SSL2_ST_GET_SERVER_FINISHED_A
:
235 case SSL2_ST_GET_SERVER_FINISHED_B
:
236 ret
=get_server_finished(s
);
237 if (ret
<= 0) goto end
;
240 case SSL2_ST_SEND_CLIENT_CERTIFICATE_A
:
241 case SSL2_ST_SEND_CLIENT_CERTIFICATE_B
:
242 case SSL2_ST_SEND_CLIENT_CERTIFICATE_C
:
243 case SSL2_ST_SEND_CLIENT_CERTIFICATE_D
:
244 case SSL2_ST_X509_GET_CLIENT_CERTIFICATE
:
245 ret
=client_certificate(s
);
246 if (ret
<= 0) goto end
;
248 s
->state
=SSL2_ST_GET_SERVER_FINISHED_A
;
252 BUF_MEM_free(s
->init_buf
);
255 /* ERR_clear_error();*/
257 /* If we want to cache session-ids in the client
258 * and we sucessfully add the session-id to the
259 * cache, and there is a callback, then pass it out.
260 * 26/11/96 - eay - only add if not a re-used session.
263 ssl_update_cache(s
,SSL_SESS_CACHE_CLIENT
);
264 if (s
->hit
) s
->ctx
->sess_hit
++;
268 s
->ctx
->sess_connect_good
++;
270 if (cb
!= NULL
) cb(s
,SSL_CB_HANDSHAKE_DONE
,1);
275 SSLerr(SSL_F_SSL2_CONNECT
,SSL_R_UNKNOWN_STATE
);
280 if ((cb
!= NULL
) && (s
->state
!= state
))
284 cb(s
,SSL_CB_CONNECT_LOOP
,1);
291 cb(s
,SSL_CB_CONNECT_EXIT
,ret
);
295 static int get_server_hello(s
)
303 buf
=(unsigned char *)s
->init_buf
->data
;
305 if (s
->state
== SSL2_ST_GET_SERVER_HELLO_A
)
307 i
=ssl2_read(s
,(char *)&(buf
[s
->init_num
]),11-s
->init_num
);
308 if (i
< (11-s
->init_num
))
309 return(ssl2_part_read(s
,SSL_F_GET_SERVER_HELLO
,i
));
311 if (*(p
++) != SSL2_MT_SERVER_HELLO
)
313 if (p
[-1] != SSL2_MT_ERROR
)
315 ssl2_return_error(s
,SSL2_PE_UNDEFINED_ERROR
);
316 SSLerr(SSL_F_GET_SERVER_HELLO
,
317 SSL_R_READ_WRONG_PACKET_TYPE
);
320 SSLerr(SSL_F_GET_SERVER_HELLO
,
325 s
->s2
->tmp
.cert_type
= *(p
++);
327 if (i
< s
->version
) s
->version
=i
;
328 n2s(p
,i
); s
->s2
->tmp
.cert_length
=i
;
329 n2s(p
,i
); s
->s2
->tmp
.csl
=i
;
330 n2s(p
,i
); s
->s2
->tmp
.conn_id_length
=i
;
331 s
->state
=SSL2_ST_GET_SERVER_HELLO_B
;
335 /* SSL2_ST_GET_SERVER_HELLO_B */
336 j
=s
->s2
->tmp
.cert_length
+s
->s2
->tmp
.csl
+s
->s2
->tmp
.conn_id_length
338 i
=ssl2_read(s
,(char *)&(buf
[s
->init_num
]),j
);
339 if (i
!= j
) return(ssl2_part_read(s
,SSL_F_GET_SERVER_HELLO
,i
));
341 /* things are looking good */
346 if (s
->s2
->tmp
.cert_length
!= 0)
348 SSLerr(SSL_F_GET_SERVER_HELLO
,SSL_R_REUSE_CERT_LENGTH_NOT_ZERO
);
351 if (s
->s2
->tmp
.cert_type
!= 0)
354 SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG
))
356 SSLerr(SSL_F_GET_SERVER_HELLO
,SSL_R_REUSE_CERT_TYPE_NOT_ZERO
);
360 if (s
->s2
->tmp
.csl
!= 0)
362 SSLerr(SSL_F_GET_SERVER_HELLO
,SSL_R_REUSE_CIPHER_LIST_NOT_ZERO
);
370 memset(s
->session
->session_id
,0,
371 SSL_MAX_SSL_SESSION_ID_LENGTH_IN_BYTES
);
372 s
->session
->session_id_length
=0;
376 /* we need to do this incase we were trying to reuse a
377 * client session but others are already reusing it.
378 * If this was a new 'blank' session ID, the session-id
379 * length will still be 0 */
380 if (s
->session
->session_id_length
> 0)
382 if (!ssl_get_new_session(s
,0))
384 ssl2_return_error(s
,SSL2_PE_UNDEFINED_ERROR
);
389 if (ssl2_set_certificate(s
,s
->s2
->tmp
.cert_type
,
390 s
->s2
->tmp
.cert_length
,p
) <= 0)
392 ssl2_return_error(s
,SSL2_PE_BAD_CERTIFICATE
);
395 p
+=s
->s2
->tmp
.cert_length
;
397 if (s
->s2
->tmp
.csl
== 0)
399 ssl2_return_error(s
,SSL2_PE_NO_CIPHER
);
400 SSLerr(SSL_F_GET_SERVER_HELLO
,SSL_R_NO_CIPHER_LIST
);
404 /* We have just received a list of ciphers back from the
405 * server. We need to get the ones that match, then select
406 * the one we want the most :-). */
408 /* load the ciphers */
409 sk
=ssl_bytes_to_cipher_list(s
,p
,s
->s2
->tmp
.csl
,
410 &s
->session
->ciphers
);
414 ssl2_return_error(s
,SSL2_PE_UNDEFINED_ERROR
);
415 SSLerr(SSL_F_GET_SERVER_HELLO
,ERR_R_MALLOC_FAILURE
);
419 sk_set_cmp_func(sk
,ssl_cipher_ptr_id_cmp
);
421 /* get the array of ciphers we will accept */
422 cl
=ssl_get_ciphers_by_id(s
);
424 /* In theory we could have ciphers sent back that we
425 * don't want to use but that does not matter since we
426 * will check against the list we origionally sent and
427 * for performance reasons we should not bother to match
428 * the two lists up just to check. */
429 for (i
=0; i
<sk_num(cl
); i
++)
431 if (sk_find(sk
,sk_value(cl
,i
)) >= 0)
437 ssl2_return_error(s
,SSL2_PE_NO_CIPHER
);
438 SSLerr(SSL_F_GET_SERVER_HELLO
,SSL_R_NO_CIPHER_MATCH
);
441 s
->session
->cipher
=(SSL_CIPHER
*)sk_value(cl
,i
);
444 if ((s
->session
!= NULL
) && (s
->session
->peer
!= NULL
))
445 X509_free(s
->session
->peer
);
447 /* hmmm, can we have the problem of the other session with this
448 * cert, Free's it before we increment the reference count. */
449 CRYPTO_w_lock(CRYPTO_LOCK_X509
);
450 s
->session
->peer
=s
->session
->cert
->key
->x509
;
451 CRYPTO_add(&s
->session
->peer
->references
,1,CRYPTO_LOCK_X509
);
452 CRYPTO_w_unlock(CRYPTO_LOCK_X509
);
454 s
->s2
->conn_id_length
=s
->s2
->tmp
.conn_id_length
;
455 memcpy(s
->s2
->conn_id
,p
,s
->s2
->tmp
.conn_id_length
);
459 static int client_hello(s
)
464 /* CIPHER **cipher;*/
467 buf
=(unsigned char *)s
->init_buf
->data
;
468 if (s
->state
== SSL2_ST_SEND_CLIENT_HELLO_A
)
470 if ((s
->session
== NULL
) ||
471 (s
->session
->ssl_version
!= s
->version
))
473 if (!ssl_get_new_session(s
,0))
475 ssl2_return_error(s
,SSL2_PE_UNDEFINED_ERROR
);
479 /* else use the pre-loaded session */
482 d
=p
+9; /* data section */
483 *(p
++)=SSL2_MT_CLIENT_HELLO
; /* type */
484 s2n(SSL2_CLIENT_VERSION
,p
); /* version */
487 n
=ssl_cipher_list_to_bytes(s
,SSL_get_ciphers(s
),d
);
492 SSLerr(SSL_F_CLIENT_HELLO
,SSL_R_NO_CIPHERS_AVAILABLE
);
496 s2n(n
,p
); /* cipher spec num bytes */
498 if ((s
->session
->session_id_length
> 0) &&
499 (s
->session
->session_id_length
<=
500 SSL2_MAX_SSL_SESSION_ID_LENGTH
))
502 i
=s
->session
->session_id_length
;
503 s2n(i
,p
); /* session id length */
504 memcpy(d
,s
->session
->session_id
,(unsigned int)i
);
512 s
->s2
->challenge_length
=SSL2_CHALLENGE_LENGTH
;
513 s2n(SSL2_CHALLENGE_LENGTH
,p
); /* challenge length */
514 /*challenge id data*/
515 RAND_bytes(s
->s2
->challenge
,SSL2_CHALLENGE_LENGTH
);
516 memcpy(d
,s
->s2
->challenge
,SSL2_CHALLENGE_LENGTH
);
517 d
+=SSL2_CHALLENGE_LENGTH
;
519 s
->state
=SSL2_ST_SEND_CLIENT_HELLO_B
;
523 /* SSL2_ST_SEND_CLIENT_HELLO_B */
524 return(ssl2_do_write(s
));
527 static int client_master_key(s
)
532 int clear
,enc
,karg
,i
;
537 buf
=(unsigned char *)s
->init_buf
->data
;
538 if (s
->state
== SSL2_ST_SEND_CLIENT_MASTER_KEY_A
)
541 if (!ssl_cipher_get_evp(s
->session
->cipher
,&c
,&md
))
543 ssl2_return_error(s
,SSL2_PE_NO_CIPHER
);
544 SSLerr(SSL_F_CLIENT_MASTER_KEY
,SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS
);
550 *(p
++)=SSL2_MT_CLIENT_MASTER_KEY
;/* type */
552 i
=ssl_put_cipher_by_char(s
,sess
->cipher
,p
);
555 /* make key_arg data */
556 i
=EVP_CIPHER_iv_length(c
);
557 sess
->key_arg_length
=i
;
558 if (i
> 0) RAND_bytes(sess
->key_arg
,i
);
560 /* make a master key */
561 i
=EVP_CIPHER_key_length(c
);
562 sess
->master_key_length
=i
;
563 if (i
> 0) RAND_bytes(sess
->master_key
,i
);
565 if (sess
->cipher
->algorithm2
& SSL2_CF_8_BYTE_ENC
)
567 else if (sess
->cipher
->algorithms
& SSL_EXP
)
574 ssl2_return_error(s
,SSL2_PE_UNDEFINED_ERROR
);
575 SSLerr(SSL_F_CLIENT_MASTER_KEY
,SSL_R_CIPHER_TABLE_SRC_ERROR
);
580 memcpy(d
,sess
->master_key
,(unsigned int)clear
);
583 enc
=ssl_rsa_public_encrypt(sess
->cert
,enc
,
584 &(sess
->master_key
[clear
]),d
,
585 (s
->s2
->ssl2_rollback
)?RSA_SSLV23_PADDING
:RSA_PKCS1_PADDING
);
588 ssl2_return_error(s
,SSL2_PE_UNDEFINED_ERROR
);
589 SSLerr(SSL_F_CLIENT_MASTER_KEY
,SSL_R_PUBLIC_KEY_ENCRYPT_ERROR
);
593 if (s
->options
& SSL_OP_PKCS1_CHECK_1
) d
[1]++;
594 if (s
->options
& SSL_OP_PKCS1_CHECK_2
)
595 sess
->master_key
[clear
]++;
599 karg
=sess
->key_arg_length
;
600 s2n(karg
,p
); /* key arg size */
601 memcpy(d
,sess
->key_arg
,(unsigned int)karg
);
604 s
->state
=SSL2_ST_SEND_CLIENT_MASTER_KEY_B
;
609 /* SSL2_ST_SEND_CLIENT_MASTER_KEY_B */
610 return(ssl2_do_write(s
));
613 static int client_finished(s
)
618 if (s
->state
== SSL2_ST_SEND_CLIENT_FINISHED_A
)
620 p
=(unsigned char *)s
->init_buf
->data
;
621 *(p
++)=SSL2_MT_CLIENT_FINISHED
;
622 memcpy(p
,s
->s2
->conn_id
,(unsigned int)s
->s2
->conn_id_length
);
624 s
->state
=SSL2_ST_SEND_CLIENT_FINISHED_B
;
625 s
->init_num
=s
->s2
->conn_id_length
+1;
628 return(ssl2_do_write(s
));
631 /* read the data and then respond */
632 static int client_certificate(s
)
640 unsigned char *cert_ch
;
642 buf
=(unsigned char *)s
->init_buf
->data
;
645 /* We have a cert associated with the SSL, so attach it to
646 * the session if it does not have one */
648 if (s
->state
== SSL2_ST_SEND_CLIENT_CERTIFICATE_A
)
650 i
=ssl2_read(s
,(char *)&(buf
[s
->init_num
]),
651 SSL2_MAX_CERT_CHALLENGE_LENGTH
+1-s
->init_num
);
652 if (i
<(SSL2_MIN_CERT_CHALLENGE_LENGTH
+1-s
->init_num
))
653 return(ssl2_part_read(s
,SSL_F_CLIENT_CERTIFICATE
,i
));
657 if (buf
[1] != SSL2_AT_MD5_WITH_RSA_ENCRYPTION
)
659 ssl2_return_error(s
,SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE
);
660 SSLerr(SSL_F_CLIENT_CERTIFICATE
,SSL_R_BAD_AUTHENTICATION_TYPE
);
665 if ((s
->cert
== NULL
) ||
666 (s
->cert
->key
->x509
== NULL
) ||
667 (s
->cert
->key
->privatekey
== NULL
))
669 s
->state
=SSL2_ST_X509_GET_CLIENT_CERTIFICATE
;
672 s
->state
=SSL2_ST_SEND_CLIENT_CERTIFICATE_C
;
675 if (s
->state
== SSL2_ST_X509_GET_CLIENT_CERTIFICATE
)
680 /* If we get an error we need to
681 * ssl->rwstate=SSL_X509_LOOKUP;
683 * We should then be retried when things are ok and we
684 * can get a cert or not */
687 if (s
->ctx
->client_cert_cb
!= NULL
)
689 i
=s
->ctx
->client_cert_cb(s
,&(x509
),&(pkey
));
694 s
->rwstate
=SSL_X509_LOOKUP
;
697 s
->rwstate
=SSL_NOTHING
;
699 if ((i
== 1) && (pkey
!= NULL
) && (x509
!= NULL
))
701 s
->state
=SSL2_ST_SEND_CLIENT_CERTIFICATE_C
;
702 if ( !SSL_use_certificate(s
,x509
) ||
703 !SSL_use_PrivateKey(s
,pkey
))
712 if (x509
!= NULL
) X509_free(x509
);
713 if (pkey
!= NULL
) EVP_PKEY_free(pkey
);
714 SSLerr(SSL_F_CLIENT_CERTIFICATE
,SSL_R_BAD_DATA_RETURNED_BY_CALLBACK
);
720 /* We have no client certificate to respond with
721 * so send the correct error message back */
722 s
->state
=SSL2_ST_SEND_CLIENT_CERTIFICATE_B
;
724 *(p
++)=SSL2_MT_ERROR
;
725 s2n(SSL2_PE_NO_CERTIFICATE
,p
);
728 /* Write is done at the end */
732 if (s
->state
== SSL2_ST_SEND_CLIENT_CERTIFICATE_B
)
734 return(ssl2_do_write(s
));
737 if (s
->state
== SSL2_ST_SEND_CLIENT_CERTIFICATE_C
)
741 /* ok, now we calculate the checksum
742 * do it first so we can reuse buf :-) */
744 EVP_SignInit(&ctx
,s
->ctx
->rsa_md5
);
745 EVP_SignUpdate(&ctx
,s
->s2
->key_material
,
746 (unsigned int)s
->s2
->key_material_length
);
747 EVP_SignUpdate(&ctx
,cert_ch
,(unsigned int)cert_ch_len
);
748 n
=i2d_X509(s
->session
->cert
->key
->x509
,&p
);
749 EVP_SignUpdate(&ctx
,buf
,(unsigned int)n
);
753 *(p
++)=SSL2_MT_CLIENT_CERTIFICATE
;
754 *(p
++)=SSL2_CT_X509_CERTIFICATE
;
755 n
=i2d_X509(s
->cert
->key
->x509
,&d
);
758 if (!EVP_SignFinal(&ctx
,d
,&n
,s
->cert
->key
->privatekey
))
760 /* this is not good. If things have failed it
761 * means there so something wrong with the key.
762 * We will contiune with a 0 length signature
765 memset(&ctx
,0,sizeof(ctx
));
769 s
->state
=SSL2_ST_SEND_CLIENT_CERTIFICATE_D
;
773 /* if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_D) */
774 return(ssl2_do_write(s
));
777 static int get_server_verify(s
)
783 p
=(unsigned char *)s
->init_buf
->data
;
784 if (s
->state
== SSL2_ST_GET_SERVER_VERIFY_A
)
786 i
=ssl2_read(s
,(char *)&(p
[s
->init_num
]),1-s
->init_num
);
787 if (i
< (1-s
->init_num
))
788 return(ssl2_part_read(s
,SSL_F_GET_SERVER_VERIFY
,i
));
790 s
->state
= SSL2_ST_GET_SERVER_VERIFY_B
;
792 if (*p
!= SSL2_MT_SERVER_VERIFY
)
794 if (p
[0] != SSL2_MT_ERROR
)
796 ssl2_return_error(s
,SSL2_PE_UNDEFINED_ERROR
);
797 SSLerr(SSL_F_GET_SERVER_VERIFY
,
798 SSL_R_READ_WRONG_PACKET_TYPE
);
801 SSLerr(SSL_F_GET_SERVER_VERIFY
,
807 p
=(unsigned char *)s
->init_buf
->data
;
808 i
=ssl2_read(s
,(char *)&(p
[s
->init_num
]),
809 (unsigned int)s
->s2
->challenge_length
-s
->init_num
);
810 if (i
< ((int)s
->s2
->challenge_length
-s
->init_num
))
811 return(ssl2_part_read(s
,SSL_F_GET_SERVER_VERIFY
,i
));
812 if (memcmp(p
,s
->s2
->challenge
,(unsigned int)s
->s2
->challenge_length
) != 0)
814 ssl2_return_error(s
,SSL2_PE_UNDEFINED_ERROR
);
815 SSLerr(SSL_F_GET_SERVER_VERIFY
,SSL_R_CHALLENGE_IS_DIFFERENT
);
821 static int get_server_finished(s
)
828 buf
=(unsigned char *)s
->init_buf
->data
;
830 if (s
->state
== SSL2_ST_GET_SERVER_FINISHED_A
)
832 i
=ssl2_read(s
,(char *)&(buf
[s
->init_num
]),1-s
->init_num
);
833 if (i
< (1-s
->init_num
))
834 return(ssl2_part_read(s
,SSL_F_GET_SERVER_FINISHED
,i
));
836 if (*p
== SSL2_MT_REQUEST_CERTIFICATE
)
838 s
->state
=SSL2_ST_SEND_CLIENT_CERTIFICATE_A
;
841 else if (*p
!= SSL2_MT_SERVER_FINISHED
)
843 if (p
[0] != SSL2_MT_ERROR
)
845 ssl2_return_error(s
,SSL2_PE_UNDEFINED_ERROR
);
846 SSLerr(SSL_F_GET_SERVER_FINISHED
,SSL_R_READ_WRONG_PACKET_TYPE
);
849 SSLerr(SSL_F_GET_SERVER_FINISHED
,SSL_R_PEER_ERROR
);
856 i
=ssl2_read(s
,(char *)&(buf
[s
->init_num
]),
857 SSL2_SSL_SESSION_ID_LENGTH
-s
->init_num
);
858 if (i
< (SSL2_SSL_SESSION_ID_LENGTH
-s
->init_num
))
859 return(ssl2_part_read(s
,SSL_F_GET_SERVER_FINISHED
,i
));
861 if (!s
->hit
) /* new session */
864 /* Make sure we were not trying to re-use an old SSL_SESSION
865 * or bad things can happen */
867 s
->session
->session_id_length
=SSL2_SSL_SESSION_ID_LENGTH
;
868 memcpy(s
->session
->session_id
,p
,SSL2_SSL_SESSION_ID_LENGTH
);
872 if (!(s
->options
& SSL_OP_MICROSOFT_SESS_ID_BUG
))
874 if (memcmp(buf
,s
->session
->session_id
,
875 (unsigned int)s
->session
->session_id_length
) != 0)
877 ssl2_return_error(s
,SSL2_PE_UNDEFINED_ERROR
);
878 SSLerr(SSL_F_GET_SERVER_FINISHED
,SSL_R_SSL_SESSION_ID_IS_DIFFERENT
);
886 /* loads in the certificate from the server */
887 int ssl2_set_certificate(s
, type
, len
, data
)
900 x509
=d2i_X509(NULL
,&data
,(long)len
);
903 SSLerr(SSL_F_SSL2_SET_CERTIFICATE
,ERR_R_X509_LIB
);
907 if (((sk
=sk_new_null()) == NULL
) ||
908 (!sk_push(sk
,(char *)x509
)))
910 SSLerr(SSL_F_SSL2_SET_CERTIFICATE
,ERR_R_MALLOC_FAILURE
);
914 i
=ssl_verify_cert_chain(s
,sk
);
916 if ((s
->verify_mode
!= SSL_VERIFY_NONE
) && (!i
))
918 SSLerr(SSL_F_SSL2_SET_CERTIFICATE
,SSL_R_CERTIFICATE_VERIFY_FAILED
);
930 /* cert for session */
931 if (s
->session
->cert
) ssl_cert_free(s
->session
->cert
);
934 /* c->cert_type=type; */
936 c
->pkeys
[SSL_PKEY_RSA_ENC
].x509
=x509
;
937 c
->key
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
939 pkey
=X509_get_pubkey(x509
);
943 SSLerr(SSL_F_SSL2_SET_CERTIFICATE
,SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY
);
946 if (pkey
->type
!= EVP_PKEY_RSA
)
948 SSLerr(SSL_F_SSL2_SET_CERTIFICATE
,SSL_R_PUBLIC_KEY_NOT_RSA
);
952 if (!ssl_set_cert_type(c
,SSL2_CT_X509_CERTIFICATE
))
956 if (sk
!= NULL
) sk_free(sk
);
957 if (x509
!= NULL
) X509_free(x509
);
961 static int ssl_rsa_public_encrypt(c
, len
, from
, to
, padding
)
971 if ((c
== NULL
) || (c
->key
->x509
== NULL
) ||
972 ((pkey
=X509_get_pubkey(c
->key
->x509
)) == NULL
))
974 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT
,SSL_R_NO_PUBLICKEY
);
977 if (pkey
->type
!= EVP_PKEY_RSA
)
979 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT
,SSL_R_PUBLIC_KEY_IS_NOT_RSA
);
983 /* we have the public key */
984 i
=RSA_public_encrypt(len
,from
,to
,pkey
->pkey
.rsa
,padding
);
986 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT
,ERR_R_RSA_LIB
);