2 /* Copyright (C) 1995-1997 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.]
70 static int get_server_finished(SSL *s);
71 static int get_server_verify(SSL *s);
72 static int get_server_hello(SSL *s);
73 static int client_hello(SSL *s);
74 static int client_master_key(SSL *s);
75 static int client_finished(SSL *s);
76 static int client_certificate(SSL *s);
77 static int ssl_rsa_public_encrypt(CERT *c, int len, unsigned char *from,
78 unsigned char *to,int padding);
80 static int get_server_finished();
81 static int get_server_verify();
82 static int get_server_hello();
83 static int client_hello();
84 static int client_master_key();
85 static int client_finished();
86 static int client_certificate();
87 static int ssl_rsa_public_encrypt();
92 static SSL_METHOD *ssl2_get_client_method(ver)
96 return(SSLv2_client_method());
101 SSL_METHOD *SSLv2_client_method()
104 static SSL_METHOD SSLv2_client_data;
109 memcpy((char *)&SSLv2_client_data,(char *)sslv2_base_method(),
111 SSLv2_client_data.ssl_connect=ssl2_connect;
112 SSLv2_client_data.get_ssl_method=ssl2_get_client_method;
114 return(&SSLv2_client_data);
120 unsigned long l=time(NULL);
126 RAND_seed((unsigned char *)&l,sizeof(l));
130 if (s->info_callback != NULL)
132 else if (s->ctx->info_callback != NULL)
133 cb=s->ctx->info_callback;
135 /* init things to blank */
136 if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);
147 case SSL_ST_BEFORE|SSL_ST_CONNECT:
148 case SSL_ST_OK|SSL_ST_CONNECT:
150 if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
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->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 BUF_MEM_free(s->init_buf);
256 /* ERR_clear_error();*/
258 /* If we want to cache session-ids in the client
259 * and we sucessfully add the session-id to the
260 * cache, and there is a callback, then pass it out.
261 * 26/11/96 - eay - only add if not a re-used session.
264 ssl_update_cache(s,SSL_SESS_CACHE_CLIENT);
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)
353 if (!(s->ctx->options &
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 s->session->peer->references++;
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);
594 karg=sess->key_arg_length;
595 s2n(karg,p); /* key arg size */
596 memcpy(d,sess->key_arg,(unsigned int)karg);
599 s->state=SSL2_ST_SEND_CLIENT_MASTER_KEY_B;
604 /* SSL2_ST_SEND_CLIENT_MASTER_KEY_B */
605 return(ssl2_do_write(s));
608 static int client_finished(s)
613 if (s->state == SSL2_ST_SEND_CLIENT_FINISHED_A)
615 p=(unsigned char *)s->init_buf->data;
616 *(p++)=SSL2_MT_CLIENT_FINISHED;
617 memcpy(p,s->s2->conn_id,(unsigned int)s->s2->conn_id_length);
619 s->state=SSL2_ST_SEND_CLIENT_FINISHED_B;
620 s->init_num=s->s2->conn_id_length+1;
623 return(ssl2_do_write(s));
626 /* read the data and then respond */
627 static int client_certificate(s)
635 unsigned char *cert_ch;
637 buf=(unsigned char *)s->init_buf->data;
640 /* We have a cert associated with the SSL, so attach it to
641 * the session if it does not have one */
643 if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_A)
645 i=ssl2_read(s,(char *)&(buf[s->init_num]),
646 SSL2_MAX_CERT_CHALLENGE_LENGTH+1-s->init_num);
647 if (i<(SSL2_MIN_CERT_CHALLENGE_LENGTH+1-s->init_num))
648 return(ssl2_part_read(s,SSL_F_CLIENT_CERTIFICATE,i));
652 if (buf[1] != SSL2_AT_MD5_WITH_RSA_ENCRYPTION)
654 ssl2_return_error(s,SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE);
655 SSLerr(SSL_F_CLIENT_CERTIFICATE,SSL_R_BAD_AUTHENTICATION_TYPE);
660 if ((s->cert == NULL) ||
661 (s->cert->key->x509 == NULL) ||
662 (s->cert->key->privatekey == NULL))
664 s->state=SSL2_ST_X509_GET_CLIENT_CERTIFICATE;
667 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_C;
670 if (s->state == SSL2_ST_X509_GET_CLIENT_CERTIFICATE)
675 /* If we get an error we need to
676 * ssl->rwstate=SSL_X509_LOOKUP;
678 * We should then be retried when things are ok and we
679 * can get a cert or not */
682 if (s->ctx->client_cert_cb != NULL)
684 i=s->ctx->client_cert_cb(s,&(x509),&(pkey));
689 s->rwstate=SSL_X509_LOOKUP;
692 s->rwstate=SSL_NOTHING;
694 if ((i == 1) && (pkey != NULL) && (x509 != NULL))
696 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_C;
697 if ( !SSL_use_certificate(s,x509) ||
698 !SSL_use_PrivateKey(s,pkey))
707 if (x509 != NULL) X509_free(x509);
708 if (pkey != NULL) EVP_PKEY_free(pkey);
709 SSLerr(SSL_F_CLIENT_CERTIFICATE,SSL_R_BAD_DATA_RETURNED_BY_CALLBACK);
715 /* We have no client certificate to respond with
716 * so send the correct error message back */
717 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_B;
719 *(p++)=SSL2_MT_ERROR;
720 s2n(SSL2_PE_NO_CERTIFICATE,p);
723 /* Write is done at the end */
727 if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_B)
729 return(ssl2_do_write(s));
732 if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_C)
736 /* ok, now we calculate the checksum
737 * do it first so we can reuse buf :-) */
739 EVP_SignInit(&ctx,EVP_md5());
740 EVP_SignUpdate(&ctx,s->s2->key_material,
741 (unsigned int)s->s2->key_material_length);
742 EVP_SignUpdate(&ctx,cert_ch,(unsigned int)cert_ch_len);
743 n=i2d_X509(s->session->cert->key->x509,&p);
744 EVP_SignUpdate(&ctx,buf,(unsigned int)n);
748 *(p++)=SSL2_MT_CLIENT_CERTIFICATE;
749 *(p++)=SSL2_CT_X509_CERTIFICATE;
750 n=i2d_X509(s->cert->key->x509,&d);
753 if (!EVP_SignFinal(&ctx,d,&n,s->cert->key->privatekey))
755 /* this is not good. If things have failed it
756 * means there so something wrong with the key.
757 * We will contiune with a 0 length signature
760 memset(&ctx,0,sizeof(ctx));
764 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_D;
768 /* if (s->state == SSL2_ST_SEND_CLIENT_CERTIFICATE_D) */
769 return(ssl2_do_write(s));
772 static int get_server_verify(s)
778 p=(unsigned char *)s->init_buf->data;
779 if (s->state == SSL2_ST_GET_SERVER_VERIFY_A)
781 i=ssl2_read(s,(char *)&(p[s->init_num]),1-s->init_num);
782 if (i < (1-s->init_num))
783 return(ssl2_part_read(s,SSL_F_GET_SERVER_VERIFY,i));
785 s->state= SSL2_ST_GET_SERVER_VERIFY_B;
787 if (*p != SSL2_MT_SERVER_VERIFY)
789 if (p[0] != SSL2_MT_ERROR)
791 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
792 SSLerr(SSL_F_GET_SERVER_VERIFY,
793 SSL_R_READ_WRONG_PACKET_TYPE);
796 SSLerr(SSL_F_GET_SERVER_VERIFY,
802 p=(unsigned char *)s->init_buf->data;
803 i=ssl2_read(s,(char *)&(p[s->init_num]),
804 (unsigned int)s->s2->challenge_length-s->init_num);
805 if (i < ((int)s->s2->challenge_length-s->init_num))
806 return(ssl2_part_read(s,SSL_F_GET_SERVER_VERIFY,i));
807 if (memcmp(p,s->s2->challenge,(unsigned int)s->s2->challenge_length) != 0)
809 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
810 SSLerr(SSL_F_GET_SERVER_VERIFY,SSL_R_CHALLENGE_IS_DIFFERENT);
816 static int get_server_finished(s)
823 buf=(unsigned char *)s->init_buf->data;
825 if (s->state == SSL2_ST_GET_SERVER_FINISHED_A)
827 i=ssl2_read(s,(char *)&(buf[s->init_num]),1-s->init_num);
828 if (i < (1-s->init_num))
829 return(ssl2_part_read(s,SSL_F_GET_SERVER_FINISHED,i));
831 if (*p == SSL2_MT_REQUEST_CERTIFICATE)
833 s->state=SSL2_ST_SEND_CLIENT_CERTIFICATE_A;
836 else if (*p != SSL2_MT_SERVER_FINISHED)
838 if (p[0] != SSL2_MT_ERROR)
840 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
841 SSLerr(SSL_F_GET_SERVER_FINISHED,SSL_R_READ_WRONG_PACKET_TYPE);
844 SSLerr(SSL_F_GET_SERVER_FINISHED,SSL_R_PEER_ERROR);
851 i=ssl2_read(s,(char *)&(buf[s->init_num]),
852 SSL2_SSL_SESSION_ID_LENGTH-s->init_num);
853 if (i < (SSL2_SSL_SESSION_ID_LENGTH-s->init_num))
854 return(ssl2_part_read(s,SSL_F_GET_SERVER_FINISHED,i));
856 if (!s->hit) /* new session */
859 s->session->session_id_length=SSL2_SSL_SESSION_ID_LENGTH;
860 memcpy(s->session->session_id,p,SSL2_SSL_SESSION_ID_LENGTH);
864 if (!(s->ctx->options & SSL_OP_MICROSOFT_SESS_ID_BUG))
866 if (memcmp(buf,s->session->session_id,
867 (unsigned int)s->session->session_id_length) != 0)
869 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
870 SSLerr(SSL_F_GET_SERVER_FINISHED,SSL_R_SSL_SESSION_ID_IS_DIFFERENT);
878 /* loads in the certificate from the server */
879 int ssl2_set_certificate(s, type, len, data)
892 x509=d2i_X509(NULL,&data,(long)len);
895 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,ERR_R_X509_LIB);
899 if (((sk=sk_new_null()) == NULL) ||
900 (!sk_push(sk,(char *)x509)))
902 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,ERR_R_MALLOC_FAILURE);
906 i=ssl_verify_cert_chain(s,sk);
908 if ((s->verify_mode != SSL_VERIFY_NONE) && (!i))
910 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,SSL_R_CERTIFICATE_VERIFY_FAILED);
922 /* cert for session */
923 if (s->session->cert) ssl_cert_free(s->session->cert);
926 /* c->cert_type=type; */
928 c->pkeys[SSL_PKEY_RSA_ENC].x509=x509;
929 c->key= &(c->pkeys[SSL_PKEY_RSA_ENC]);
931 pkey=X509_get_pubkey(x509);
935 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY);
938 if (pkey->type != EVP_PKEY_RSA)
940 SSLerr(SSL_F_SSL2_SET_CERTIFICATE,SSL_R_PUBLIC_KEY_NOT_RSA);
944 if (!ssl_set_cert_type(c,SSL2_CT_X509_CERTIFICATE))
948 if (sk != NULL) sk_free(sk);
949 if (x509 != NULL) X509_free(x509);
953 static int ssl_rsa_public_encrypt(c, len, from, to, padding)
963 if ((c == NULL) || (c->key->x509 == NULL) ||
964 ((pkey=X509_get_pubkey(c->key->x509)) == NULL))
966 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT,SSL_R_NO_PUBLICKEY);
969 if (pkey->type != EVP_PKEY_RSA)
971 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT,SSL_R_PUBLIC_KEY_IS_NOT_RSA);
975 /* we have the public key */
976 i=RSA_public_encrypt(len,from,to,pkey->pkey.rsa,padding);
978 SSLerr(SSL_F_SSL_RSA_PUBLIC_ENCRYPT,ERR_R_RSA_LIB);