1 /*! \file ssl/ssl_lib.c
2 * \brief Version independent SSL functions.
4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
7 * This package is an SSL implementation written
8 * by Eric Young (eay@cryptsoft.com).
9 * The implementation was written so as to conform with Netscapes SSL.
11 * This library is free for commercial and non-commercial use as long as
12 * the following conditions are aheared to. The following conditions
13 * apply to all code found in this distribution, be it the RC4, RSA,
14 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
15 * included with this distribution is covered by the same copyright terms
16 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
18 * Copyright remains Eric Young's, and as such any Copyright notices in
19 * the code are not to be removed.
20 * If this package is used in a product, Eric Young should be given attribution
21 * as the author of the parts of the library used.
22 * This can be in the form of a textual message at program startup or
23 * in documentation (online or textual) provided with the package.
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
28 * 1. Redistributions of source code must retain the copyright
29 * notice, this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in the
32 * documentation and/or other materials provided with the distribution.
33 * 3. All advertising materials mentioning features or use of this software
34 * must display the following acknowledgement:
35 * "This product includes cryptographic software written by
36 * Eric Young (eay@cryptsoft.com)"
37 * The word 'cryptographic' can be left out if the rouines from the library
38 * being used are not cryptographic related :-).
39 * 4. If you include any Windows specific code (or a derivative thereof) from
40 * the apps directory (application code) you must include an acknowledgement:
41 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
43 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * The licence and distribution terms for any publically available version or
56 * derivative of this code cannot be changed. i.e. this code cannot simply be
57 * copied and put under another distribution licence
58 * [including the GNU Public Licence.]
66 char *SSL_version_str
=OPENSSL_VERSION_TEXT
;
68 static STACK
*ssl_meth
=NULL
;
69 static STACK
*ssl_ctx_meth
=NULL
;
70 static int ssl_meth_num
=0;
71 static int ssl_ctx_meth_num
=0;
73 SSL3_ENC_METHOD ssl3_undef_enc_method
={
74 ssl_undefined_function
,
75 ssl_undefined_function
,
76 ssl_undefined_function
,
77 ssl_undefined_function
,
78 ssl_undefined_function
,
79 ssl_undefined_function
,
86 if (s
->method
== NULL
)
88 SSLerr(SSL_F_SSL_CLEAR
,SSL_R_NO_METHOD_SPECIFIED
);
97 /* This is set if we are doing dynamic renegotiation so keep
98 * the old cipher. It is sort of a SSL_clear_lite :-) */
99 if (s
->new_session
) return(1);
102 state
=s
->state
; /* Keep to check if we throw away the session-id */
105 s
->state
=SSL_ST_BEFORE
|((s
->server
)?SSL_ST_ACCEPT
:SSL_ST_CONNECT
);
107 s
->version
=s
->method
->version
;
108 s
->client_version
=s
->version
;
109 s
->rwstate
=SSL_NOTHING
;
110 s
->rstate
=SSL_ST_READ_HEADER
;
111 s
->read_ahead
=s
->ctx
->read_ahead
;
113 if (s
->init_buf
!= NULL
)
115 BUF_MEM_free(s
->init_buf
);
119 ssl_clear_cipher_ctx(s
);
121 if (ssl_clear_bad_session(s
))
123 SSL_SESSION_free(s
->session
);
130 /* Check to see if we were changed into a different method, if
131 * so, revert back if we are not doing session-id reuse. */
132 if ((s
->session
== NULL
) && (s
->method
!= s
->ctx
->method
))
134 s
->method
->ssl_free(s
);
135 s
->method
=s
->ctx
->method
;
136 if (!s
->method
->ssl_new(s
))
141 s
->method
->ssl_clear(s
);
145 /** Used to change an SSL_CTXs default SSL method type */
146 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
,SSL_METHOD
*meth
)
148 STACK_OF(SSL_CIPHER
) *sk
;
152 sk
=ssl_create_cipher_list(ctx
->method
,&(ctx
->cipher_list
),
153 &(ctx
->cipher_list_by_id
),SSL_DEFAULT_CIPHER_LIST
);
154 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0))
156 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
162 SSL
*SSL_new(SSL_CTX
*ctx
)
168 SSLerr(SSL_F_SSL_NEW
,SSL_R_NULL_SSL_CTX
);
171 if (ctx
->method
== NULL
)
173 SSLerr(SSL_F_SSL_NEW
,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
177 s
=(SSL
*)Malloc(sizeof(SSL
));
178 if (s
== NULL
) goto err
;
179 memset(s
,0,sizeof(SSL
));
181 if (ctx
->default_cert
!= NULL
)
183 CRYPTO_add(&ctx
->default_cert
->references
,1,
184 CRYPTO_LOCK_SSL_CERT
);
185 s
->cert
=ctx
->default_cert
;
189 s
->verify_mode
=ctx
->verify_mode
;
190 s
->verify_callback
=ctx
->default_verify_callback
;
191 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
194 s
->verify_result
=X509_V_OK
;
196 s
->method
=ctx
->method
;
198 if (!s
->method
->ssl_new(s
))
205 s
->quiet_shutdown
=ctx
->quiet_shutdown
;
207 s
->server
=(ctx
->method
->ssl_accept
== ssl_undefined_function
)?0:1;
208 s
->options
=ctx
->options
;
211 CRYPTO_new_ex_data(ssl_meth
,(char *)s
,&s
->ex_data
);
215 SSLerr(SSL_F_SSL_NEW
,ERR_R_MALLOC_FAILURE
);
219 int SSL_set_session_id_context(SSL
*ssl
,const unsigned char *sid_ctx
,
220 unsigned int sid_ctx_len
)
222 if(sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
)
224 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
227 ssl
->sid_ctx_length
=sid_ctx_len
;
228 memcpy(ssl
->sid_ctx
,sid_ctx
,sid_ctx_len
);
233 void SSL_free(SSL
*s
)
240 i
=CRYPTO_add(&s
->references
,-1,CRYPTO_LOCK_SSL
);
248 fprintf(stderr
,"SSL_free, bad reference count\n");
253 CRYPTO_free_ex_data(ssl_meth
,(char *)s
,&s
->ex_data
);
257 /* If the buffering BIO is in place, pop it off */
258 if (s
->bbio
== s
->wbio
)
260 s
->wbio
=BIO_pop(s
->wbio
);
266 BIO_free_all(s
->rbio
);
267 if ((s
->wbio
!= NULL
) && (s
->wbio
!= s
->rbio
))
268 BIO_free_all(s
->wbio
);
270 if (s
->init_buf
!= NULL
) BUF_MEM_free(s
->init_buf
);
272 /* add extra stuff */
273 if (s
->cipher_list
!= NULL
) sk_SSL_CIPHER_free(s
->cipher_list
);
274 if (s
->cipher_list_by_id
!= NULL
) sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
276 /* Make the next call work :-) */
277 if (s
->session
!= NULL
)
279 ssl_clear_bad_session(s
);
280 SSL_SESSION_free(s
->session
);
283 ssl_clear_cipher_ctx(s
);
285 if (s
->cert
!= NULL
) ssl_cert_free(s
->cert
);
286 /* Free up if allocated */
288 if (s
->ctx
) SSL_CTX_free(s
->ctx
);
290 if (s
->client_CA
!= NULL
)
291 sk_X509_NAME_pop_free(s
->client_CA
,X509_NAME_free
);
293 if (s
->method
!= NULL
) s
->method
->ssl_free(s
);
298 void SSL_set_bio(SSL
*s
,BIO
*rbio
,BIO
*wbio
)
300 /* If the output buffering BIO is still in place, remove it
304 if (s
->wbio
== s
->bbio
)
306 s
->wbio
=s
->wbio
->next_bio
;
307 s
->bbio
->next_bio
=NULL
;
310 if ((s
->rbio
!= NULL
) && (s
->rbio
!= rbio
))
311 BIO_free_all(s
->rbio
);
312 if ((s
->wbio
!= NULL
) && (s
->wbio
!= wbio
) && (s
->rbio
!= s
->wbio
))
313 BIO_free_all(s
->wbio
);
318 BIO
*SSL_get_rbio(SSL
*s
)
321 BIO
*SSL_get_wbio(SSL
*s
)
324 int SSL_get_fd(SSL
*s
)
330 r
=BIO_find_type(b
,BIO_TYPE_DESCRIPTOR
);
337 int SSL_set_fd(SSL
*s
,int fd
)
342 bio
=BIO_new(BIO_s_socket());
346 SSLerr(SSL_F_SSL_SET_FD
,ERR_R_BUF_LIB
);
349 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
350 SSL_set_bio(s
,bio
,bio
);
356 int SSL_set_wfd(SSL
*s
,int fd
)
361 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
362 || ((int)BIO_get_fd(s
->rbio
,NULL
) != fd
))
364 bio
=BIO_new(BIO_s_socket());
367 { SSLerr(SSL_F_SSL_SET_WFD
,ERR_R_BUF_LIB
); goto err
; }
368 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
369 SSL_set_bio(s
,SSL_get_rbio(s
),bio
);
372 SSL_set_bio(s
,SSL_get_rbio(s
),SSL_get_rbio(s
));
378 int SSL_set_rfd(SSL
*s
,int fd
)
383 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
384 || ((int)BIO_get_fd(s
->wbio
,NULL
) != fd
))
386 bio
=BIO_new(BIO_s_socket());
390 SSLerr(SSL_F_SSL_SET_RFD
,ERR_R_BUF_LIB
);
393 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
394 SSL_set_bio(s
,bio
,SSL_get_wbio(s
));
397 SSL_set_bio(s
,SSL_get_wbio(s
),SSL_get_wbio(s
));
404 int SSL_get_verify_mode(SSL
*s
)
406 return(s
->verify_mode
);
409 int (*SSL_get_verify_callback(SSL
*s
))(int,X509_STORE_CTX
*)
411 return(s
->verify_callback
);
414 int SSL_CTX_get_verify_mode(SSL_CTX
*ctx
)
416 return(ctx
->verify_mode
);
419 int (*SSL_CTX_get_verify_callback(SSL_CTX
*ctx
))(int,X509_STORE_CTX
*)
421 return(ctx
->default_verify_callback
);
424 void SSL_set_verify(SSL
*s
,int mode
,
425 int (*callback
)(int ok
,X509_STORE_CTX
*ctx
))
428 if (callback
!= NULL
)
429 s
->verify_callback
=callback
;
432 void SSL_set_read_ahead(SSL
*s
,int yes
)
437 int SSL_get_read_ahead(SSL
*s
)
439 return(s
->read_ahead
);
442 int SSL_pending(SSL
*s
)
444 return(s
->method
->ssl_pending(s
));
447 X509
*SSL_get_peer_certificate(SSL
*s
)
451 if ((s
== NULL
) || (s
->session
== NULL
))
456 if (r
== NULL
) return(r
);
458 CRYPTO_add(&r
->references
,1,CRYPTO_LOCK_X509
);
463 STACK_OF(X509
) *SSL_get_peer_cert_chain(SSL
*s
)
467 if ((s
== NULL
) || (s
->session
== NULL
) || (s
->session
->cert
== NULL
))
470 r
=s
->session
->cert
->cert_chain
;
475 /* Now in theory, since the calling process own 't' it should be safe to
476 * modify. We need to be able to read f without being hassled */
477 void SSL_copy_session_id(SSL
*t
,SSL
*f
)
481 /* Do we need to to SSL locking? */
482 SSL_set_session(t
,SSL_get_session(f
));
484 /* what if we are setup as SSLv2 but want to talk SSLv3 or
486 if (t
->method
!= f
->method
)
488 t
->method
->ssl_free(t
); /* cleanup current */
489 t
->method
=f
->method
; /* change method */
490 t
->method
->ssl_new(t
); /* setup new */
496 CRYPTO_add(&f
->cert
->references
,1,CRYPTO_LOCK_SSL_CERT
);
501 if (tmp
!= NULL
) ssl_cert_free(tmp
);
502 SSL_set_session_id_context(t
,f
->sid_ctx
,f
->sid_ctx_length
);
505 /* Fix this so it checks all the valid key/cert options */
506 int SSL_CTX_check_private_key(SSL_CTX
*ctx
)
508 if ( (ctx
== NULL
) ||
509 (ctx
->default_cert
== NULL
) ||
510 (ctx
->default_cert
->key
->x509
== NULL
))
512 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
515 if (ctx
->default_cert
->key
->privatekey
== NULL
)
517 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
520 return(X509_check_private_key(ctx
->default_cert
->key
->x509
, ctx
->default_cert
->key
->privatekey
));
523 /* Fix this function so that it takes an optional type parameter */
524 int SSL_check_private_key(SSL
*ssl
)
528 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,ERR_R_PASSED_NULL_PARAMETER
);
531 if (ssl
->cert
== NULL
)
532 return(SSL_CTX_check_private_key(ssl
->ctx
));
533 if (ssl
->cert
->key
->x509
== NULL
)
535 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
538 if (ssl
->cert
->key
->privatekey
== NULL
)
540 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
543 return(X509_check_private_key(ssl
->cert
->key
->x509
,
544 ssl
->cert
->key
->privatekey
));
547 int SSL_accept(SSL
*s
)
549 return(s
->method
->ssl_accept(s
));
552 int SSL_connect(SSL
*s
)
554 return(s
->method
->ssl_connect(s
));
557 long SSL_get_default_timeout(SSL
*s
)
559 return(s
->method
->get_timeout());
562 int SSL_read(SSL
*s
,char *buf
,int num
)
564 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
566 s
->rwstate
=SSL_NOTHING
;
569 return(s
->method
->ssl_read(s
,buf
,num
));
572 int SSL_peek(SSL
*s
,char *buf
,int num
)
574 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
578 return(s
->method
->ssl_peek(s
,buf
,num
));
581 int SSL_write(SSL
*s
,const char *buf
,int num
)
583 if (s
->shutdown
& SSL_SENT_SHUTDOWN
)
585 s
->rwstate
=SSL_NOTHING
;
586 SSLerr(SSL_F_SSL_WRITE
,SSL_R_PROTOCOL_IS_SHUTDOWN
);
589 return(s
->method
->ssl_write(s
,buf
,num
));
592 int SSL_shutdown(SSL
*s
)
594 if ((s
!= NULL
) && !SSL_in_init(s
))
595 return(s
->method
->ssl_shutdown(s
));
600 int SSL_renegotiate(SSL
*s
)
603 return(s
->method
->ssl_renegotiate(s
));
606 long SSL_ctrl(SSL
*s
,int cmd
,long larg
,char *parg
)
612 case SSL_CTRL_GET_READ_AHEAD
:
613 return(s
->read_ahead
);
614 case SSL_CTRL_SET_READ_AHEAD
:
618 case SSL_CTRL_OPTIONS
:
619 return(s
->options
|=larg
);
621 return(s
->method
->ssl_ctrl(s
,cmd
,larg
,parg
));
626 long SSL_CTX_ctrl(SSL_CTX
*ctx
,int cmd
,long larg
,char *parg
)
632 case SSL_CTRL_GET_READ_AHEAD
:
633 return(ctx
->read_ahead
);
634 case SSL_CTRL_SET_READ_AHEAD
:
636 ctx
->read_ahead
=larg
;
639 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
640 l
=ctx
->session_cache_size
;
641 ctx
->session_cache_size
=larg
;
643 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
644 return(ctx
->session_cache_size
);
645 case SSL_CTRL_SET_SESS_CACHE_MODE
:
646 l
=ctx
->session_cache_mode
;
647 ctx
->session_cache_mode
=larg
;
649 case SSL_CTRL_GET_SESS_CACHE_MODE
:
650 return(ctx
->session_cache_mode
);
652 case SSL_CTRL_SESS_NUMBER
:
653 return(ctx
->sessions
->num_items
);
654 case SSL_CTRL_SESS_CONNECT
:
655 return(ctx
->stats
.sess_connect
);
656 case SSL_CTRL_SESS_CONNECT_GOOD
:
657 return(ctx
->stats
.sess_connect_good
);
658 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
659 return(ctx
->stats
.sess_connect_renegotiate
);
660 case SSL_CTRL_SESS_ACCEPT
:
661 return(ctx
->stats
.sess_accept
);
662 case SSL_CTRL_SESS_ACCEPT_GOOD
:
663 return(ctx
->stats
.sess_accept_good
);
664 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
665 return(ctx
->stats
.sess_accept_renegotiate
);
666 case SSL_CTRL_SESS_HIT
:
667 return(ctx
->stats
.sess_hit
);
668 case SSL_CTRL_SESS_CB_HIT
:
669 return(ctx
->stats
.sess_cb_hit
);
670 case SSL_CTRL_SESS_MISSES
:
671 return(ctx
->stats
.sess_miss
);
672 case SSL_CTRL_SESS_TIMEOUTS
:
673 return(ctx
->stats
.sess_timeout
);
674 case SSL_CTRL_SESS_CACHE_FULL
:
675 return(ctx
->stats
.sess_cache_full
);
676 case SSL_CTRL_OPTIONS
:
677 return(ctx
->options
|=larg
);
679 return(ctx
->method
->ssl_ctx_ctrl(ctx
,cmd
,larg
,parg
));
684 int ssl_cipher_id_cmp(SSL_CIPHER
*a
,SSL_CIPHER
*b
)
692 return((l
> 0)?1:-1);
695 int ssl_cipher_ptr_id_cmp(SSL_CIPHER
**ap
,SSL_CIPHER
**bp
)
699 l
=(*ap
)->id
-(*bp
)->id
;
703 return((l
> 0)?1:-1);
706 /** return a STACK of the ciphers available for the SSL and in order of
708 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(SSL
*s
)
710 if ((s
!= NULL
) && (s
->cipher_list
!= NULL
))
712 return(s
->cipher_list
);
714 else if ((s
->ctx
!= NULL
) &&
715 (s
->ctx
->cipher_list
!= NULL
))
717 return(s
->ctx
->cipher_list
);
722 /** return a STACK of the ciphers available for the SSL and in order of
724 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
726 if ((s
!= NULL
) && (s
->cipher_list_by_id
!= NULL
))
728 return(s
->cipher_list_by_id
);
730 else if ((s
!= NULL
) && (s
->ctx
!= NULL
) &&
731 (s
->ctx
->cipher_list_by_id
!= NULL
))
733 return(s
->ctx
->cipher_list_by_id
);
738 /** The old interface to get the same thing as SSL_get_ciphers() */
739 const char *SSL_get_cipher_list(SSL
*s
,int n
)
742 STACK_OF(SSL_CIPHER
) *sk
;
744 if (s
== NULL
) return(NULL
);
745 sk
=SSL_get_ciphers(s
);
746 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
748 c
=sk_SSL_CIPHER_value(sk
,n
);
749 if (c
== NULL
) return(NULL
);
753 /** specify the ciphers to be used by defaut by the SSL_CTX */
754 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
,char *str
)
756 STACK_OF(SSL_CIPHER
) *sk
;
758 sk
=ssl_create_cipher_list(ctx
->method
,&ctx
->cipher_list
,
759 &ctx
->cipher_list_by_id
,str
);
761 return((sk
== NULL
)?0:1);
764 /** specify the ciphers to be used by the SSL */
765 int SSL_set_cipher_list(SSL
*s
,char *str
)
767 STACK_OF(SSL_CIPHER
) *sk
;
769 sk
=ssl_create_cipher_list(s
->ctx
->method
,&s
->cipher_list
,
770 &s
->cipher_list_by_id
,str
);
772 return((sk
== NULL
)?0:1);
775 /* works well for SSLv2, not so good for SSLv3 */
776 char *SSL_get_shared_ciphers(SSL
*s
,char *buf
,int len
)
780 STACK_OF(SSL_CIPHER
) *sk
;
784 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) ||
789 sk
=s
->session
->ciphers
;
790 for (i
=0; i
<sk_SSL_CIPHER_num(sk
); i
++)
792 /* Decrement for either the ':' or a '\0' */
794 c
=sk_SSL_CIPHER_value(sk
,i
);
795 for (cp
=c
->name
; *cp
; )
811 int ssl_cipher_list_to_bytes(SSL
*s
,STACK_OF(SSL_CIPHER
) *sk
,unsigned char *p
)
817 if (sk
== NULL
) return(0);
820 for (i
=0; i
<sk_SSL_CIPHER_num(sk
); i
++)
822 c
=sk_SSL_CIPHER_value(sk
,i
);
823 j
=ssl_put_cipher_by_char(s
,c
,p
);
829 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
,unsigned char *p
,int num
,
830 STACK_OF(SSL_CIPHER
) **skp
)
833 STACK_OF(SSL_CIPHER
) *sk
;
836 n
=ssl_put_cipher_by_char(s
,NULL
,NULL
);
839 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
842 if ((skp
== NULL
) || (*skp
== NULL
))
843 sk
=sk_SSL_CIPHER_new(NULL
); /* change perhaps later */
847 sk_SSL_CIPHER_zero(sk
);
850 for (i
=0; i
<num
; i
+=n
)
852 c
=ssl_get_cipher_by_char(s
,p
);
856 if (!sk_SSL_CIPHER_push(sk
,c
))
858 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,ERR_R_MALLOC_FAILURE
);
868 if ((skp
== NULL
) || (*skp
== NULL
))
869 sk_SSL_CIPHER_free(sk
);
873 unsigned long SSL_SESSION_hash(SSL_SESSION
*a
)
878 ((unsigned int) a
->session_id
[0] )|
879 ((unsigned int) a
->session_id
[1]<< 8L)|
880 ((unsigned long)a
->session_id
[2]<<16L)|
881 ((unsigned long)a
->session_id
[3]<<24L);
885 int SSL_SESSION_cmp(SSL_SESSION
*a
,SSL_SESSION
*b
)
887 if (a
->ssl_version
!= b
->ssl_version
)
889 if (a
->session_id_length
!= b
->session_id_length
)
891 return(memcmp(a
->session_id
,b
->session_id
,a
->session_id_length
));
894 SSL_CTX
*SSL_CTX_new(SSL_METHOD
*meth
)
900 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_NULL_SSL_METHOD_PASSED
);
904 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
906 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
909 ret
=(SSL_CTX
*)Malloc(sizeof(SSL_CTX
));
913 memset(ret
,0,sizeof(SSL_CTX
));
917 ret
->cert_store
=NULL
;
918 ret
->session_cache_mode
=SSL_SESS_CACHE_SERVER
;
919 ret
->session_cache_size
=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
920 ret
->session_cache_head
=NULL
;
921 ret
->session_cache_tail
=NULL
;
923 /* We take the system default */
924 ret
->session_timeout
=meth
->get_timeout();
926 ret
->new_session_cb
=NULL
;
927 ret
->remove_session_cb
=NULL
;
928 ret
->get_session_cb
=NULL
;
930 memset((char *)&ret
->stats
,0,sizeof(ret
->stats
));
933 ret
->quiet_shutdown
=0;
935 /* ret->cipher=NULL;*/
936 /* ret->s2->challenge=NULL;
937 ret->master_key=NULL;
939 ret->s2->conn_id=NULL; */
941 ret
->info_callback
=NULL
;
943 ret
->app_verify_callback
=NULL
;
944 ret
->app_verify_arg
=NULL
;
947 ret
->verify_mode
=SSL_VERIFY_NONE
;
948 ret
->default_verify_callback
=NULL
;
949 if ((ret
->default_cert
=ssl_cert_new()) == NULL
)
952 ret
->default_passwd_callback
=NULL
;
953 ret
->client_cert_cb
=NULL
;
955 ret
->sessions
=lh_new(SSL_SESSION_hash
,SSL_SESSION_cmp
);
956 if (ret
->sessions
== NULL
) goto err
;
957 ret
->cert_store
=X509_STORE_new();
958 if (ret
->cert_store
== NULL
) goto err
;
960 ssl_create_cipher_list(ret
->method
,
961 &ret
->cipher_list
,&ret
->cipher_list_by_id
,
962 SSL_DEFAULT_CIPHER_LIST
);
963 if (ret
->cipher_list
== NULL
964 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0)
966 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_LIBRARY_HAS_NO_CIPHERS
);
970 if ((ret
->rsa_md5
=EVP_get_digestbyname("ssl2-md5")) == NULL
)
972 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES
);
975 if ((ret
->md5
=EVP_get_digestbyname("ssl3-md5")) == NULL
)
977 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
980 if ((ret
->sha1
=EVP_get_digestbyname("ssl3-sha1")) == NULL
)
982 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
986 if ((ret
->client_CA
=sk_X509_NAME_new_null()) == NULL
)
989 CRYPTO_new_ex_data(ssl_ctx_meth
,(char *)ret
,&ret
->ex_data
);
991 ret
->extra_certs
=NULL
;
992 ret
->comp_methods
=SSL_COMP_get_compression_methods();
996 SSLerr(SSL_F_SSL_CTX_NEW
,ERR_R_MALLOC_FAILURE
);
998 if (ret
!= NULL
) SSL_CTX_free(ret
);
1002 static void SSL_COMP_free(SSL_COMP
*comp
)
1005 void SSL_CTX_free(SSL_CTX
*a
)
1009 if (a
== NULL
) return;
1011 i
=CRYPTO_add(&a
->references
,-1,CRYPTO_LOCK_SSL_CTX
);
1013 REF_PRINT("SSL_CTX",a
);
1019 fprintf(stderr
,"SSL_CTX_free, bad reference count\n");
1023 CRYPTO_free_ex_data(ssl_ctx_meth
,(char *)a
,&a
->ex_data
);
1025 if (a
->sessions
!= NULL
)
1027 SSL_CTX_flush_sessions(a
,0);
1028 lh_free(a
->sessions
);
1030 if (a
->cert_store
!= NULL
)
1031 X509_STORE_free(a
->cert_store
);
1032 if (a
->cipher_list
!= NULL
)
1033 sk_SSL_CIPHER_free(a
->cipher_list
);
1034 if (a
->cipher_list_by_id
!= NULL
)
1035 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
1036 if (a
->default_cert
!= NULL
)
1037 ssl_cert_free(a
->default_cert
);
1038 if (a
->client_CA
!= NULL
)
1039 sk_X509_NAME_pop_free(a
->client_CA
,X509_NAME_free
);
1040 if (a
->extra_certs
!= NULL
)
1041 sk_X509_pop_free(a
->extra_certs
,X509_free
);
1042 if (a
->comp_methods
!= NULL
)
1043 sk_SSL_COMP_pop_free(a
->comp_methods
,SSL_COMP_free
);
1047 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
,int (*cb
)())
1049 ctx
->default_passwd_callback
=cb
;
1052 void SSL_CTX_set_cert_verify_cb(SSL_CTX
*ctx
,int (*cb
)(),char *arg
)
1054 ctx
->app_verify_callback
=cb
;
1055 ctx
->app_verify_arg
=arg
;
1058 void SSL_CTX_set_verify(SSL_CTX
*ctx
,int mode
,int (*cb
)(int, X509_STORE_CTX
*))
1060 ctx
->verify_mode
=mode
;
1061 ctx
->default_verify_callback
=cb
;
1062 /* This needs cleaning up EAY EAY EAY */
1063 X509_STORE_set_verify_cb_func(ctx
->cert_store
,cb
);
1066 /* Need default_cert to check for callbacks, for now (see comment in CERT
1069 void ssl_set_cert_masks(CERT
*c
,CERT
*default_cert
,SSL_CIPHER
*cipher
)
1072 int rsa_enc
,rsa_tmp
,rsa_sign
,dh_tmp
,dh_rsa
,dh_dsa
,dsa_sign
;
1073 int rsa_enc_export
,dh_rsa_export
,dh_dsa_export
;
1074 int rsa_tmp_export
,dh_tmp_export
,kl
;
1075 unsigned long mask
,emask
;
1077 if (c
== NULL
) return;
1079 kl
=SSL_C_EXPORT_PKEYLENGTH(cipher
);
1082 rsa_tmp
=(c
->rsa_tmp
!= NULL
|| default_cert
->rsa_tmp_cb
!= NULL
);
1083 rsa_tmp_export
=(default_cert
->rsa_tmp_cb
!= NULL
||
1084 (rsa_tmp
&& RSA_size(c
->rsa_tmp
)*8 <= kl
));
1086 rsa_tmp
=rsa_tmp_export
=0;
1089 dh_tmp
=(c
->dh_tmp
!= NULL
|| default_cert
->dh_tmp_cb
!= NULL
);
1090 dh_tmp_export
=(default_cert
->dh_tmp_cb
!= NULL
||
1091 (dh_tmp
&& DH_size(c
->dh_tmp
)*8 <= kl
));
1093 dh_tmp
=dh_tmp_export
=0;
1096 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
1097 rsa_enc
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1098 rsa_enc_export
=(rsa_enc
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
1099 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
1100 rsa_sign
=(cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1101 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
1102 dsa_sign
=(cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1103 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
1104 dh_rsa
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1105 dh_rsa_export
=(dh_rsa
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
1106 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
1107 /* FIX THIS EAY EAY EAY */
1108 dh_dsa
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1109 dh_dsa_export
=(dh_dsa
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
1115 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1116 rsa_tmp
,rsa_tmp_export
,dh_tmp
,
1117 rsa_enc
,rsa_enc_export
,rsa_sign
,dsa_sign
,dh_rsa
,dh_dsa
);
1120 if (rsa_enc
|| (rsa_tmp
&& rsa_sign
))
1122 if (rsa_enc_export
|| (rsa_tmp_export
&& (rsa_sign
|| rsa_enc
)))
1126 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1127 if ( (dh_tmp
|| dh_rsa
|| dh_dsa
) &&
1128 (rsa_enc
|| rsa_sign
|| dsa_sign
))
1130 if ((dh_tmp_export
|| dh_rsa_export
|| dh_dsa_export
) &&
1131 (rsa_enc
|| rsa_sign
|| dsa_sign
))
1141 if (dh_rsa
) mask
|=SSL_kDHr
;
1142 if (dh_rsa_export
) emask
|=SSL_kDHr
;
1144 if (dh_dsa
) mask
|=SSL_kDHd
;
1145 if (dh_dsa_export
) emask
|=SSL_kDHd
;
1147 if (rsa_enc
|| rsa_sign
)
1159 #ifdef SSL_ALLOW_ADH
1165 c
->export_mask
=emask
;
1169 /* THIS NEEDS CLEANING UP */
1170 X509
*ssl_get_server_send_cert(SSL
*s
)
1172 unsigned long alg
,mask
,kalg
;
1177 ssl_set_cert_masks(c
,s
->ctx
->default_cert
,s
->s3
->tmp
.new_cipher
);
1178 alg
=s
->s3
->tmp
.new_cipher
->algorithms
;
1179 export
=SSL_IS_EXPORT(alg
);
1180 mask
=export
?c
->export_mask
:c
->mask
;
1181 kalg
=alg
&(SSL_MKEY_MASK
|SSL_AUTH_MASK
);
1183 if (kalg
& SSL_kDHr
)
1185 else if (kalg
& SSL_kDHd
)
1187 else if (kalg
& SSL_aDSS
)
1188 i
=SSL_PKEY_DSA_SIGN
;
1189 else if (kalg
& SSL_aRSA
)
1191 if (c
->pkeys
[SSL_PKEY_RSA_ENC
].x509
== NULL
)
1192 i
=SSL_PKEY_RSA_SIGN
;
1196 else /* if (kalg & SSL_aNULL) */
1198 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT
,SSL_R_INTERNAL_ERROR
);
1201 if (c
->pkeys
[i
].x509
== NULL
) return(NULL
);
1202 return(c
->pkeys
[i
].x509
);
1205 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
,SSL_CIPHER
*cipher
)
1210 alg
=cipher
->algorithms
;
1213 if ((alg
& SSL_aDSS
) &&
1214 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
1215 return(c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
);
1216 else if (alg
& SSL_aRSA
)
1218 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
1219 return(c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
);
1220 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
1221 return(c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
);
1225 else /* if (alg & SSL_aNULL) */
1227 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
,SSL_R_INTERNAL_ERROR
);
1232 void ssl_update_cache(SSL
*s
,int mode
)
1236 /* If the session_id_length is 0, we are not supposed to cache it,
1237 * and it would be rather hard to do anyway :-) */
1238 if (s
->session
->session_id_length
== 0) return;
1240 if ((s
->ctx
->session_cache_mode
& mode
)
1242 && SSL_CTX_add_session(s
->ctx
,s
->session
)
1243 && (s
->ctx
->new_session_cb
!= NULL
))
1245 CRYPTO_add(&s
->session
->references
,1,CRYPTO_LOCK_SSL_SESSION
);
1246 if (!s
->ctx
->new_session_cb(s
,s
->session
))
1247 SSL_SESSION_free(s
->session
);
1250 /* auto flush every 255 connections */
1251 i
=s
->ctx
->session_cache_mode
;
1252 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) &&
1253 ((i
& mode
) == mode
))
1255 if ( (((mode
& SSL_SESS_CACHE_CLIENT
)
1256 ?s
->ctx
->stats
.sess_connect_good
1257 :s
->ctx
->stats
.sess_accept_good
) & 0xff) == 0xff)
1259 SSL_CTX_flush_sessions(s
->ctx
,time(NULL
));
1264 SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
1269 int SSL_set_ssl_method(SSL
*s
,SSL_METHOD
*meth
)
1274 if (s
->method
!= meth
)
1276 if (s
->handshake_func
!= NULL
)
1277 conn
=(s
->handshake_func
== s
->method
->ssl_connect
);
1279 if (s
->method
->version
== meth
->version
)
1283 s
->method
->ssl_free(s
);
1285 ret
=s
->method
->ssl_new(s
);
1289 s
->handshake_func
=meth
->ssl_connect
;
1291 s
->handshake_func
=meth
->ssl_accept
;
1296 int SSL_get_error(SSL
*s
,int i
)
1302 if (i
> 0) return(SSL_ERROR_NONE
);
1304 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1305 * etc, where we do encode the error */
1306 if ((l
=ERR_peek_error()) != 0)
1308 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
1309 return(SSL_ERROR_SYSCALL
);
1311 return(SSL_ERROR_SSL
);
1314 if ((i
< 0) && SSL_want_read(s
))
1316 bio
=SSL_get_rbio(s
);
1317 if (BIO_should_read(bio
))
1318 return(SSL_ERROR_WANT_READ
);
1319 else if (BIO_should_write(bio
))
1320 return(SSL_ERROR_WANT_WRITE
);
1321 else if (BIO_should_io_special(bio
))
1323 reason
=BIO_get_retry_reason(bio
);
1324 if (reason
== BIO_RR_CONNECT
)
1325 return(SSL_ERROR_WANT_CONNECT
);
1327 return(SSL_ERROR_SYSCALL
); /* unknown */
1331 if ((i
< 0) && SSL_want_write(s
))
1333 bio
=SSL_get_wbio(s
);
1334 if (BIO_should_write(bio
))
1335 return(SSL_ERROR_WANT_WRITE
);
1336 else if (BIO_should_read(bio
))
1337 return(SSL_ERROR_WANT_READ
);
1338 else if (BIO_should_io_special(bio
))
1340 reason
=BIO_get_retry_reason(bio
);
1341 if (reason
== BIO_RR_CONNECT
)
1342 return(SSL_ERROR_WANT_CONNECT
);
1344 return(SSL_ERROR_SYSCALL
);
1347 if ((i
< 0) && SSL_want_x509_lookup(s
))
1349 return(SSL_ERROR_WANT_X509_LOOKUP
);
1354 if (s
->version
== SSL2_VERSION
)
1356 /* assume it is the socket being closed */
1357 return(SSL_ERROR_ZERO_RETURN
);
1361 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
1362 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
1363 return(SSL_ERROR_ZERO_RETURN
);
1366 return(SSL_ERROR_SYSCALL
);
1369 int SSL_do_handshake(SSL
*s
)
1373 if (s
->handshake_func
== NULL
)
1375 SSLerr(SSL_F_SSL_DO_HANDSHAKE
,SSL_R_CONNECTION_TYPE_NOT_SET
);
1379 s
->method
->ssl_renegotiate_check(s
);
1381 if (SSL_in_init(s
) || SSL_in_before(s
))
1383 ret
=s
->handshake_func(s
);
1388 /* For the next 2 functions, SSL_clear() sets shutdown and so
1389 * one of these calls will reset it */
1390 void SSL_set_accept_state(SSL
*s
)
1394 s
->state
=SSL_ST_ACCEPT
|SSL_ST_BEFORE
;
1395 s
->handshake_func
=s
->method
->ssl_accept
;
1396 /* clear the current cipher */
1397 ssl_clear_cipher_ctx(s
);
1400 void SSL_set_connect_state(SSL
*s
)
1404 s
->state
=SSL_ST_CONNECT
|SSL_ST_BEFORE
;
1405 s
->handshake_func
=s
->method
->ssl_connect
;
1406 /* clear the current cipher */
1407 ssl_clear_cipher_ctx(s
);
1410 int ssl_undefined_function(SSL
*s
)
1412 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
1416 SSL_METHOD
*ssl_bad_method(int ver
)
1418 SSLerr(SSL_F_SSL_BAD_METHOD
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
1422 char *SSL_get_version(SSL
*s
)
1424 if (s
->version
== TLS1_VERSION
)
1426 else if (s
->version
== SSL3_VERSION
)
1428 else if (s
->version
== SSL2_VERSION
)
1434 SSL
*SSL_dup(SSL
*s
)
1436 STACK_OF(X509_NAME
) *sk
;
1441 if ((ret
=SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
1444 /* This copies version, session-id, SSL_METHOD and 'cert' */
1445 SSL_copy_session_id(ret
,s
);
1447 SSL_set_read_ahead(ret
,SSL_get_read_ahead(s
));
1448 SSL_set_verify(ret
,SSL_get_verify_mode(s
),
1449 SSL_get_verify_callback(s
));
1451 SSL_set_info_callback(ret
,SSL_get_info_callback(s
));
1453 ret
->debug
=s
->debug
;
1454 ret
->options
=s
->options
;
1456 /* copy app data, a little dangerous perhaps */
1457 if (!CRYPTO_dup_ex_data(ssl_meth
,&ret
->ex_data
,&s
->ex_data
))
1460 /* setup rbio, and wbio */
1461 if (s
->rbio
!= NULL
)
1463 if (!BIO_dup_state(s
->rbio
,(char *)&ret
->rbio
))
1466 if (s
->wbio
!= NULL
)
1468 if (s
->wbio
!= s
->rbio
)
1470 if (!BIO_dup_state(s
->wbio
,(char *)&ret
->wbio
))
1474 ret
->wbio
=ret
->rbio
;
1477 /* dup the cipher_list and cipher_list_by_id stacks */
1478 if (s
->cipher_list
!= NULL
)
1480 if ((ret
->cipher_list
=sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
1483 if (s
->cipher_list_by_id
!= NULL
)
1484 if ((ret
->cipher_list_by_id
=sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
1488 /* Dup the client_CA list */
1489 if (s
->client_CA
!= NULL
)
1491 if ((sk
=sk_X509_NAME_dup(s
->client_CA
)) == NULL
) goto err
;
1493 for (i
=0; i
<sk_X509_NAME_num(sk
); i
++)
1495 xn
=sk_X509_NAME_value(sk
,i
);
1496 if (sk_X509_NAME_set(sk
,i
,X509_NAME_dup(xn
)) == NULL
)
1504 ret
->shutdown
=s
->shutdown
;
1505 ret
->state
=s
->state
;
1506 ret
->handshake_func
=s
->handshake_func
;
1507 ret
->server
=s
->server
;
1512 if (ret
!= NULL
) SSL_free(ret
);
1518 void ssl_clear_cipher_ctx(SSL
*s
)
1520 if (s
->enc_read_ctx
!= NULL
)
1522 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
1523 Free(s
->enc_read_ctx
);
1524 s
->enc_read_ctx
=NULL
;
1526 if (s
->enc_write_ctx
!= NULL
)
1528 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
1529 Free(s
->enc_write_ctx
);
1530 s
->enc_write_ctx
=NULL
;
1532 if (s
->expand
!= NULL
)
1534 COMP_CTX_free(s
->expand
);
1537 if (s
->compress
!= NULL
)
1539 COMP_CTX_free(s
->compress
);
1544 /* Fix this function so that it takes an optional type parameter */
1545 X509
*SSL_get_certificate(SSL
*s
)
1547 if (s
->cert
!= NULL
)
1548 return(s
->cert
->key
->x509
);
1553 /* Fix this function so that it takes an optional type parameter */
1554 EVP_PKEY
*SSL_get_privatekey(SSL
*s
)
1556 if (s
->cert
!= NULL
)
1557 return(s
->cert
->key
->privatekey
);
1562 SSL_CIPHER
*SSL_get_current_cipher(SSL
*s
)
1564 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
1565 return(s
->session
->cipher
);
1569 int ssl_init_wbio_buffer(SSL
*s
,int push
)
1573 if (s
->bbio
== NULL
)
1575 bbio
=BIO_new(BIO_f_buffer());
1576 if (bbio
== NULL
) return(0);
1582 if (s
->bbio
== s
->wbio
)
1583 s
->wbio
=BIO_pop(s
->wbio
);
1586 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
1587 if (!BIO_set_read_buffer_size(bbio
,1))
1589 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
,ERR_R_BUF_LIB
);
1594 if (s
->wbio
!= bbio
)
1595 s
->wbio
=BIO_push(bbio
,s
->wbio
);
1599 if (s
->wbio
== bbio
)
1600 s
->wbio
=BIO_pop(bbio
);
1605 void ssl_free_wbio_buffer(SSL
*s
)
1609 if (s
->bbio
== NULL
) return;
1611 if (s
->bbio
== s
->wbio
)
1613 /* remove buffering */
1614 under
=BIO_pop(s
->wbio
);
1624 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
,int mode
)
1626 ctx
->quiet_shutdown
=mode
;
1629 int SSL_CTX_get_quiet_shutdown(SSL_CTX
*ctx
)
1631 return(ctx
->quiet_shutdown
);
1634 void SSL_set_quiet_shutdown(SSL
*s
,int mode
)
1636 s
->quiet_shutdown
=mode
;
1639 int SSL_get_quiet_shutdown(SSL
*s
)
1641 return(s
->quiet_shutdown
);
1644 void SSL_set_shutdown(SSL
*s
,int mode
)
1649 int SSL_get_shutdown(SSL
*s
)
1651 return(s
->shutdown
);
1654 int SSL_version(SSL
*s
)
1659 SSL_CTX
*SSL_get_SSL_CTX(SSL
*ssl
)
1665 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
1667 return(X509_STORE_set_default_paths(ctx
->cert_store
));
1670 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
,char *CAfile
,char *CApath
)
1672 return(X509_STORE_load_locations(ctx
->cert_store
,CAfile
,CApath
));
1676 void SSL_set_info_callback(SSL
*ssl
,void (*cb
)())
1678 ssl
->info_callback
=cb
;
1681 void (*SSL_get_info_callback(SSL
*ssl
))(void)
1683 return((void (*)())ssl
->info_callback
);
1686 int SSL_state(SSL
*ssl
)
1691 void SSL_set_verify_result(SSL
*ssl
,long arg
)
1693 ssl
->verify_result
=arg
;
1696 long SSL_get_verify_result(SSL
*ssl
)
1698 return(ssl
->verify_result
);
1701 int SSL_get_ex_new_index(long argl
,char *argp
,int (*new_func
)(),
1702 int (*dup_func
)(),void (*free_func
)())
1705 return(CRYPTO_get_ex_new_index(ssl_meth_num
-1,
1706 &ssl_meth
,argl
,argp
,new_func
,dup_func
,free_func
));
1709 int SSL_set_ex_data(SSL
*s
,int idx
,void *arg
)
1711 return(CRYPTO_set_ex_data(&s
->ex_data
,idx
,arg
));
1714 void *SSL_get_ex_data(SSL
*s
,int idx
)
1716 return(CRYPTO_get_ex_data(&s
->ex_data
,idx
));
1719 int SSL_CTX_get_ex_new_index(long argl
,char *argp
,int (*new_func
)(),
1720 int (*dup_func
)(),void (*free_func
)())
1723 return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num
-1,
1724 &ssl_ctx_meth
,argl
,argp
,new_func
,dup_func
,free_func
));
1727 int SSL_CTX_set_ex_data(SSL_CTX
*s
,int idx
,void *arg
)
1729 return(CRYPTO_set_ex_data(&s
->ex_data
,idx
,arg
));
1732 void *SSL_CTX_get_ex_data(SSL_CTX
*s
,int idx
)
1734 return(CRYPTO_get_ex_data(&s
->ex_data
,idx
));
1742 X509_STORE
*SSL_CTX_get_cert_store(SSL_CTX
*ctx
)
1744 return(ctx
->cert_store
);
1747 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
,X509_STORE
*store
)
1749 if (ctx
->cert_store
!= NULL
)
1750 X509_STORE_free(ctx
->cert_store
);
1751 ctx
->cert_store
=store
;
1754 int SSL_want(SSL
*s
)
1760 * \brief Set the callback for generating temporary RSA keys.
1761 * \param ctx the SSL context.
1762 * \param cb the callback
1765 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX
*ctx
,RSA
*(*cb
)(SSL
*ssl
,int export
,
1767 { SSL_CTX_ctrl(ctx
,SSL_CTRL_SET_TMP_RSA_CB
,0,(char *)cb
); }
1771 * \brief The RSA temporary key callback function.
1772 * \param ssl the SSL session.
1773 * \param export \c TRUE if the temp RSA key is for an export ciphersuite.
1774 * \param keylength if \c export is \c TRUE, then \c keylength is the size of
1775 * the required key in bits.
1776 * \return the temporary RSA key.
1777 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
1780 RSA
*cb(SSL
*ssl
,int export
,int keylength
)
1785 * \brief Set the callback for generating temporary DH keys.
1786 * \param ctx the SSL context.
1787 * \param dh the callback
1790 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,DH
*(*dh
)(SSL
*ssl
,int export
,
1792 { SSL_CTX_ctrl(ctx
,SSL_CTRL_SET_TMP_DH_CB
,0,(char *)dh
); }
1794 void SSL_set_tmp_rsa_callback(SSL
*ssl
,RSA
*(*cb
)(SSL
*ssl
,int export
,
1796 { SSL_ctrl(ssl
,SSL_CTRL_SET_TMP_RSA_CB
,0,(char *)cb
); }
1798 void SSL_set_tmp_dh_callback(SSL
*ssl
,DH
*(*dh
)(SSL
*ssl
,int export
,
1800 { SSL_ctrl(ssl
,SSL_CTRL_SET_TMP_DH_CB
,0,(char *)dh
); }
1802 #if defined(_WINDLL) && defined(WIN16)
1803 #include "../crypto/bio/bss_file.c"
1806 IMPLEMENT_STACK_OF(SSL_CIPHER
)
1807 IMPLEMENT_STACK_OF(SSL_COMP
)