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.]
60 #include <openssl/md5.h>
61 #include <openssl/sha.h>
62 #include <openssl/objects.h>
65 const char *ssl3_version_str
="SSLv3" OPENSSL_VERSION_PTEXT
;
67 #define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
69 static long ssl3_default_timeout(void );
71 OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers
[]={
76 SSL3_TXT_RSA_NULL_MD5
,
78 SSL_kRSA
|SSL_aRSA
|SSL_eNULL
|SSL_MD5
|SSL_SSLV3
,
89 SSL3_TXT_RSA_NULL_SHA
,
91 SSL_kRSA
|SSL_aRSA
|SSL_eNULL
|SSL_SHA1
|SSL_SSLV3
,
104 SSL3_TXT_ADH_RC4_40_MD5
,
105 SSL3_CK_ADH_RC4_40_MD5
,
106 SSL_kEDH
|SSL_aNULL
|SSL_RC4
|SSL_MD5
|SSL_SSLV3
,
107 SSL_EXPORT
|SSL_EXP40
,
117 SSL3_TXT_ADH_RC4_128_MD5
,
118 SSL3_CK_ADH_RC4_128_MD5
,
119 SSL_kEDH
|SSL_aNULL
|SSL_RC4
|SSL_MD5
|SSL_SSLV3
,
130 SSL3_TXT_ADH_DES_40_CBC_SHA
,
131 SSL3_CK_ADH_DES_40_CBC_SHA
,
132 SSL_kEDH
|SSL_aNULL
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
133 SSL_EXPORT
|SSL_EXP40
,
143 SSL3_TXT_ADH_DES_64_CBC_SHA
,
144 SSL3_CK_ADH_DES_64_CBC_SHA
,
145 SSL_kEDH
|SSL_aNULL
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
156 SSL3_TXT_ADH_DES_192_CBC_SHA
,
157 SSL3_CK_ADH_DES_192_CBC_SHA
,
158 SSL_kEDH
|SSL_aNULL
|SSL_3DES
|SSL_SHA1
|SSL_SSLV3
,
171 SSL3_TXT_RSA_RC4_40_MD5
,
172 SSL3_CK_RSA_RC4_40_MD5
,
173 SSL_kRSA
|SSL_aRSA
|SSL_RC4
|SSL_MD5
|SSL_SSLV3
,
174 SSL_EXPORT
|SSL_EXP40
,
184 SSL3_TXT_RSA_RC4_128_MD5
,
185 SSL3_CK_RSA_RC4_128_MD5
,
186 SSL_kRSA
|SSL_aRSA
|SSL_RC4
|SSL_MD5
|SSL_SSLV3
,
187 SSL_NOT_EXP
|SSL_MEDIUM
,
197 SSL3_TXT_RSA_RC4_128_SHA
,
198 SSL3_CK_RSA_RC4_128_SHA
,
199 SSL_kRSA
|SSL_aRSA
|SSL_RC4
|SSL_SHA1
|SSL_SSLV3
,
200 SSL_NOT_EXP
|SSL_MEDIUM
,
210 SSL3_TXT_RSA_RC2_40_MD5
,
211 SSL3_CK_RSA_RC2_40_MD5
,
212 SSL_kRSA
|SSL_aRSA
|SSL_RC2
|SSL_MD5
|SSL_SSLV3
,
213 SSL_EXPORT
|SSL_EXP40
,
223 SSL3_TXT_RSA_IDEA_128_SHA
,
224 SSL3_CK_RSA_IDEA_128_SHA
,
225 SSL_kRSA
|SSL_aRSA
|SSL_IDEA
|SSL_SHA1
|SSL_SSLV3
,
226 SSL_NOT_EXP
|SSL_MEDIUM
,
236 SSL3_TXT_RSA_DES_40_CBC_SHA
,
237 SSL3_CK_RSA_DES_40_CBC_SHA
,
238 SSL_kRSA
|SSL_aRSA
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
239 SSL_EXPORT
|SSL_EXP40
,
249 SSL3_TXT_RSA_DES_64_CBC_SHA
,
250 SSL3_CK_RSA_DES_64_CBC_SHA
,
251 SSL_kRSA
|SSL_aRSA
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
262 SSL3_TXT_RSA_DES_192_CBC3_SHA
,
263 SSL3_CK_RSA_DES_192_CBC3_SHA
,
264 SSL_kRSA
|SSL_aRSA
|SSL_3DES
|SSL_SHA1
|SSL_SSLV3
,
265 SSL_NOT_EXP
|SSL_HIGH
,
277 SSL3_TXT_DH_DSS_DES_40_CBC_SHA
,
278 SSL3_CK_DH_DSS_DES_40_CBC_SHA
,
279 SSL_kDHd
|SSL_aDH
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
280 SSL_EXPORT
|SSL_EXP40
,
290 SSL3_TXT_DH_DSS_DES_64_CBC_SHA
,
291 SSL3_CK_DH_DSS_DES_64_CBC_SHA
,
292 SSL_kDHd
|SSL_aDH
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
303 SSL3_TXT_DH_DSS_DES_192_CBC3_SHA
,
304 SSL3_CK_DH_DSS_DES_192_CBC3_SHA
,
305 SSL_kDHd
|SSL_aDH
|SSL_3DES
|SSL_SHA1
|SSL_SSLV3
,
306 SSL_NOT_EXP
|SSL_HIGH
,
316 SSL3_TXT_DH_RSA_DES_40_CBC_SHA
,
317 SSL3_CK_DH_RSA_DES_40_CBC_SHA
,
318 SSL_kDHr
|SSL_aDH
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
319 SSL_EXPORT
|SSL_EXP40
,
329 SSL3_TXT_DH_RSA_DES_64_CBC_SHA
,
330 SSL3_CK_DH_RSA_DES_64_CBC_SHA
,
331 SSL_kDHr
|SSL_aDH
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
342 SSL3_TXT_DH_RSA_DES_192_CBC3_SHA
,
343 SSL3_CK_DH_RSA_DES_192_CBC3_SHA
,
344 SSL_kDHr
|SSL_aDH
|SSL_3DES
|SSL_SHA1
|SSL_SSLV3
,
345 SSL_NOT_EXP
|SSL_HIGH
,
353 /* The Ephemeral DH ciphers */
357 SSL3_TXT_EDH_DSS_DES_40_CBC_SHA
,
358 SSL3_CK_EDH_DSS_DES_40_CBC_SHA
,
359 SSL_kEDH
|SSL_aDSS
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
360 SSL_EXPORT
|SSL_EXP40
,
370 SSL3_TXT_EDH_DSS_DES_64_CBC_SHA
,
371 SSL3_CK_EDH_DSS_DES_64_CBC_SHA
,
372 SSL_kEDH
|SSL_aDSS
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
383 SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA
,
384 SSL3_CK_EDH_DSS_DES_192_CBC3_SHA
,
385 SSL_kEDH
|SSL_aDSS
|SSL_3DES
|SSL_SHA1
|SSL_SSLV3
,
386 SSL_NOT_EXP
|SSL_HIGH
,
396 SSL3_TXT_EDH_RSA_DES_40_CBC_SHA
,
397 SSL3_CK_EDH_RSA_DES_40_CBC_SHA
,
398 SSL_kEDH
|SSL_aRSA
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
399 SSL_EXPORT
|SSL_EXP40
,
409 SSL3_TXT_EDH_RSA_DES_64_CBC_SHA
,
410 SSL3_CK_EDH_RSA_DES_64_CBC_SHA
,
411 SSL_kEDH
|SSL_aRSA
|SSL_DES
|SSL_SHA1
|SSL_SSLV3
,
422 SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA
,
423 SSL3_CK_EDH_RSA_DES_192_CBC3_SHA
,
424 SSL_kEDH
|SSL_aRSA
|SSL_3DES
|SSL_SHA1
|SSL_SSLV3
,
425 SSL_NOT_EXP
|SSL_HIGH
,
437 SSL3_TXT_FZA_DMS_NULL_SHA
,
438 SSL3_CK_FZA_DMS_NULL_SHA
,
439 SSL_kFZA
|SSL_aFZA
|SSL_eNULL
|SSL_SHA1
|SSL_SSLV3
,
451 SSL3_TXT_FZA_DMS_FZA_SHA
,
452 SSL3_CK_FZA_DMS_FZA_SHA
,
453 SSL_kFZA
|SSL_aFZA
|SSL_eFZA
|SSL_SHA1
|SSL_SSLV3
,
465 SSL3_TXT_FZA_DMS_RC4_SHA
,
466 SSL3_CK_FZA_DMS_RC4_SHA
,
467 SSL_kFZA
|SSL_aFZA
|SSL_RC4
|SSL_SHA1
|SSL_SSLV3
,
476 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
477 /* New TLS Export CipherSuites */
481 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5
,
482 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5
,
483 SSL_kRSA
|SSL_aRSA
|SSL_RC4
|SSL_MD5
|SSL_TLSV1
,
484 SSL_EXPORT
|SSL_EXP56
,
494 TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5
,
495 TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5
,
496 SSL_kRSA
|SSL_aRSA
|SSL_RC2
|SSL_MD5
|SSL_TLSV1
,
497 SSL_EXPORT
|SSL_EXP56
,
507 TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA
,
508 TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA
,
509 SSL_kRSA
|SSL_aRSA
|SSL_DES
|SSL_SHA
|SSL_TLSV1
,
510 SSL_EXPORT
|SSL_EXP56
,
520 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA
,
521 TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA
,
522 SSL_kEDH
|SSL_aDSS
|SSL_DES
|SSL_SHA
|SSL_TLSV1
,
523 SSL_EXPORT
|SSL_EXP56
,
533 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA
,
534 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA
,
535 SSL_kRSA
|SSL_aRSA
|SSL_RC4
|SSL_SHA
|SSL_TLSV1
,
536 SSL_EXPORT
|SSL_EXP56
,
546 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA
,
547 TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA
,
548 SSL_kEDH
|SSL_aDSS
|SSL_RC4
|SSL_SHA
|SSL_TLSV1
,
549 SSL_EXPORT
|SSL_EXP56
,
559 TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA
,
560 TLS1_CK_DHE_DSS_WITH_RC4_128_SHA
,
561 SSL_kEDH
|SSL_aDSS
|SSL_RC4
|SSL_SHA
|SSL_TLSV1
,
574 static SSL3_ENC_METHOD SSLv3_enc_data
={
577 ssl3_setup_key_block
,
578 ssl3_generate_master_secret
,
579 ssl3_change_cipher_state
,
580 ssl3_final_finish_mac
,
581 MD5_DIGEST_LENGTH
+SHA_DIGEST_LENGTH
,
582 ssl3_cert_verify_mac
,
583 SSL3_MD_CLIENT_FINISHED_CONST
,4,
584 SSL3_MD_SERVER_FINISHED_CONST
,4,
588 static SSL_METHOD SSLv3_data
= {
593 ssl_undefined_function
,
594 ssl_undefined_function
,
600 ssl3_renegotiate_check
,
603 ssl3_get_cipher_by_char
,
604 ssl3_put_cipher_by_char
,
609 ssl3_default_timeout
,
611 ssl_undefined_function
,
613 ssl3_ctx_callback_ctrl
,
616 static long ssl3_default_timeout(void)
618 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
619 * is way too long for http, the cache would over fill */
623 SSL_METHOD
*sslv3_base_method(void)
628 int ssl3_num_ciphers(void)
630 return(SSL3_NUM_CIPHERS
);
633 SSL_CIPHER
*ssl3_get_cipher(unsigned int u
)
635 if (u
< SSL3_NUM_CIPHERS
)
636 return(&(ssl3_ciphers
[SSL3_NUM_CIPHERS
-1-u
]));
641 /* The problem is that it may not be the correct record type */
642 int ssl3_pending(SSL
*s
)
644 return(s
->s3
->rrec
.length
);
651 if ((s3
=OPENSSL_malloc(sizeof *s3
)) == NULL
) goto err
;
652 memset(s3
,0,sizeof *s3
);
656 s
->method
->ssl_clear(s
);
662 void ssl3_free(SSL
*s
)
667 ssl3_cleanup_key_block(s
);
668 if (s
->s3
->rbuf
.buf
!= NULL
)
669 OPENSSL_free(s
->s3
->rbuf
.buf
);
670 if (s
->s3
->wbuf
.buf
!= NULL
)
671 OPENSSL_free(s
->s3
->wbuf
.buf
);
672 if (s
->s3
->rrec
.comp
!= NULL
)
673 OPENSSL_free(s
->s3
->rrec
.comp
);
675 if (s
->s3
->tmp
.dh
!= NULL
)
676 DH_free(s
->s3
->tmp
.dh
);
678 if (s
->s3
->tmp
.ca_names
!= NULL
)
679 sk_X509_NAME_pop_free(s
->s3
->tmp
.ca_names
,X509_NAME_free
);
680 memset(s
->s3
,0,sizeof *s
->s3
);
685 void ssl3_clear(SSL
*s
)
687 unsigned char *rp
,*wp
;
689 ssl3_cleanup_key_block(s
);
690 if (s
->s3
->tmp
.ca_names
!= NULL
)
691 sk_X509_NAME_pop_free(s
->s3
->tmp
.ca_names
,X509_NAME_free
);
693 if (s
->s3
->rrec
.comp
!= NULL
)
695 OPENSSL_free(s
->s3
->rrec
.comp
);
696 s
->s3
->rrec
.comp
=NULL
;
699 if (s
->s3
->tmp
.dh
!= NULL
)
700 DH_free(s
->s3
->tmp
.dh
);
706 memset(s
->s3
,0,sizeof *s
->s3
);
707 if (rp
!= NULL
) s
->s3
->rbuf
.buf
=rp
;
708 if (wp
!= NULL
) s
->s3
->wbuf
.buf
=wp
;
710 ssl_free_wbio_buffer(s
);
713 s
->s3
->renegotiate
=0;
714 s
->s3
->total_renegotiations
=0;
715 s
->s3
->num_renegotiations
=0;
716 s
->s3
->in_read_app_data
=0;
717 s
->version
=SSL3_VERSION
;
720 long ssl3_ctrl(SSL
*s
, int cmd
, long larg
, char *parg
)
724 #if !defined(NO_DSA) || !defined(NO_RSA)
727 cmd
== SSL_CTRL_SET_TMP_RSA
||
728 cmd
== SSL_CTRL_SET_TMP_RSA_CB
||
731 cmd
== SSL_CTRL_SET_TMP_DH
||
732 cmd
== SSL_CTRL_SET_TMP_DH_CB
||
736 if (!ssl_cert_inst(&s
->cert
))
738 SSLerr(SSL_F_SSL3_CTRL
, ERR_R_MALLOC_FAILURE
);
746 case SSL_CTRL_GET_SESSION_REUSED
:
749 case SSL_CTRL_GET_CLIENT_CERT_REQUEST
:
751 case SSL_CTRL_GET_NUM_RENEGOTIATIONS
:
752 ret
=s
->s3
->num_renegotiations
;
754 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS
:
755 ret
=s
->s3
->num_renegotiations
;
756 s
->s3
->num_renegotiations
=0;
758 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS
:
759 ret
=s
->s3
->total_renegotiations
;
761 case SSL_CTRL_GET_FLAGS
:
762 ret
=(int)(s
->s3
->flags
);
765 case SSL_CTRL_NEED_TMP_RSA
:
766 if ((s
->cert
!= NULL
) && (s
->cert
->rsa_tmp
== NULL
) &&
767 ((s
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
== NULL
) ||
768 (EVP_PKEY_size(s
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
) > (512/8))))
771 case SSL_CTRL_SET_TMP_RSA
:
773 RSA
*rsa
= (RSA
*)parg
;
776 SSLerr(SSL_F_SSL3_CTRL
, ERR_R_PASSED_NULL_PARAMETER
);
779 if ((rsa
= RSAPrivateKey_dup(rsa
)) == NULL
)
781 SSLerr(SSL_F_SSL3_CTRL
, ERR_R_RSA_LIB
);
784 if (s
->cert
->rsa_tmp
!= NULL
)
785 RSA_free(s
->cert
->rsa_tmp
);
786 s
->cert
->rsa_tmp
= rsa
;
790 case SSL_CTRL_SET_TMP_RSA_CB
:
792 SSLerr(SSL_F_SSL3_CTRL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
798 case SSL_CTRL_SET_TMP_DH
:
803 SSLerr(SSL_F_SSL3_CTRL
, ERR_R_PASSED_NULL_PARAMETER
);
806 if ((dh
= DHparams_dup(dh
)) == NULL
)
808 SSLerr(SSL_F_SSL3_CTRL
, ERR_R_DH_LIB
);
811 if (!(s
->options
& SSL_OP_SINGLE_DH_USE
))
813 if (!DH_generate_key(dh
))
816 SSLerr(SSL_F_SSL3_CTRL
, ERR_R_DH_LIB
);
820 if (s
->cert
->dh_tmp
!= NULL
)
821 DH_free(s
->cert
->dh_tmp
);
822 s
->cert
->dh_tmp
= dh
;
826 case SSL_CTRL_SET_TMP_DH_CB
:
828 SSLerr(SSL_F_SSL3_CTRL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
839 long ssl3_callback_ctrl(SSL
*s
, int cmd
, void (*fp
)())
843 #if !defined(NO_DSA) || !defined(NO_RSA)
846 cmd
== SSL_CTRL_SET_TMP_RSA_CB
||
849 cmd
== SSL_CTRL_SET_TMP_DH_CB
||
853 if (!ssl_cert_inst(&s
->cert
))
855 SSLerr(SSL_F_SSL3_CALLBACK_CTRL
, ERR_R_MALLOC_FAILURE
);
864 case SSL_CTRL_SET_TMP_RSA_CB
:
866 s
->cert
->rsa_tmp_cb
= (RSA
*(*)(SSL
*, int, int))fp
;
871 case SSL_CTRL_SET_TMP_DH_CB
:
873 s
->cert
->dh_tmp_cb
= (DH
*(*)(SSL
*, int, int))fp
;
883 long ssl3_ctx_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, char *parg
)
892 case SSL_CTRL_NEED_TMP_RSA
:
893 if ( (cert
->rsa_tmp
== NULL
) &&
894 ((cert
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
== NULL
) ||
895 (EVP_PKEY_size(cert
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
) > (512/8)))
901 case SSL_CTRL_SET_TMP_RSA
:
912 if ((rsa
=RSAPrivateKey_dup(rsa
)) == NULL
)
917 SSLerr(SSL_F_SSL3_CTX_CTRL
,ERR_R_RSA_LIB
);
922 if (cert
->rsa_tmp
!= NULL
)
923 RSA_free(cert
->rsa_tmp
);
929 case SSL_CTRL_SET_TMP_RSA_CB
:
931 SSLerr(SSL_F_SSL3_CTX_CTRL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
937 case SSL_CTRL_SET_TMP_DH
:
942 if ((new=DHparams_dup(dh
)) == NULL
)
944 SSLerr(SSL_F_SSL3_CTX_CTRL
,ERR_R_DH_LIB
);
947 if (!(ctx
->options
& SSL_OP_SINGLE_DH_USE
))
949 if (!DH_generate_key(new))
951 SSLerr(SSL_F_SSL3_CTX_CTRL
,ERR_R_DH_LIB
);
956 if (cert
->dh_tmp
!= NULL
)
957 DH_free(cert
->dh_tmp
);
962 case SSL_CTRL_SET_TMP_DH_CB
:
964 SSLerr(SSL_F_SSL3_CTX_CTRL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
969 /* A Thawte special :-) */
970 case SSL_CTRL_EXTRA_CHAIN_CERT
:
971 if (ctx
->extra_certs
== NULL
)
973 if ((ctx
->extra_certs
=sk_X509_new_null()) == NULL
)
976 sk_X509_push(ctx
->extra_certs
,(X509
*)parg
);
985 long ssl3_ctx_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
)())
994 case SSL_CTRL_SET_TMP_RSA_CB
:
996 cert
->rsa_tmp_cb
= (RSA
*(*)(SSL
*, int, int))fp
;
1001 case SSL_CTRL_SET_TMP_DH_CB
:
1003 cert
->dh_tmp_cb
= (DH
*(*)(SSL
*, int, int))fp
;
1013 /* This function needs to check if the ciphers required are actually
1015 SSL_CIPHER
*ssl3_get_cipher_by_char(const unsigned char *p
)
1018 static SSL_CIPHER
*sorted
[SSL3_NUM_CIPHERS
];
1019 SSL_CIPHER c
,*cp
= &c
,**cpp
;
1025 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
1027 for (i
=0; i
<SSL3_NUM_CIPHERS
; i
++)
1028 sorted
[i
]= &(ssl3_ciphers
[i
]);
1030 qsort( (char *)sorted
,
1031 SSL3_NUM_CIPHERS
,sizeof(SSL_CIPHER
*),
1032 FP_ICC ssl_cipher_ptr_id_cmp
);
1034 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
1039 id
=0x03000000L
|((unsigned long)p
[0]<<8L)|(unsigned long)p
[1];
1041 cpp
=(SSL_CIPHER
**)OBJ_bsearch((char *)&cp
,
1043 SSL3_NUM_CIPHERS
,sizeof(SSL_CIPHER
*),
1044 FP_ICC ssl_cipher_ptr_id_cmp
);
1045 if ((cpp
== NULL
) || !(*cpp
)->valid
)
1051 int ssl3_put_cipher_by_char(const SSL_CIPHER
*c
, unsigned char *p
)
1058 if ((l
& 0xff000000) != 0x03000000) return(0);
1059 p
[0]=((unsigned char)(l
>> 8L))&0xFF;
1060 p
[1]=((unsigned char)(l
))&0xFF;
1065 SSL_CIPHER
*ssl3_choose_cipher(SSL
*s
, STACK_OF(SSL_CIPHER
) *have
,
1066 STACK_OF(SSL_CIPHER
) *pref
)
1068 SSL_CIPHER
*c
,*ret
=NULL
;
1071 unsigned long alg
,mask
,emask
;
1073 /* Let's see which ciphers we can support */
1076 sk_SSL_CIPHER_set_cmp_func(pref
,ssl_cipher_ptr_id_cmp
);
1080 for(i
=0 ; i
< sk_num(pref
) ; ++i
)
1082 c
=(SSL_CIPHER
*)sk_value(pref
,i
);
1083 printf("%p:%s\n",c
,c
->name
);
1087 for (i
=0; i
<sk_SSL_CIPHER_num(have
); i
++)
1089 c
=sk_SSL_CIPHER_value(have
,i
);
1091 ssl_set_cert_masks(cert
,c
);
1093 emask
=cert
->export_mask
;
1095 alg
=c
->algorithms
&(SSL_MKEY_MASK
|SSL_AUTH_MASK
);
1096 if (SSL_C_IS_EXPORT(c
))
1098 ok
=((alg
& emask
) == alg
)?1:0;
1100 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok
,alg
,emask
,
1106 ok
=((alg
& mask
) == alg
)?1:0;
1108 printf("%d:[%08lX:%08lX]%p:%s\n",ok
,alg
,mask
,c
,
1115 j
=sk_SSL_CIPHER_find(pref
,c
);
1118 ret
=sk_SSL_CIPHER_value(pref
,j
);
1125 int ssl3_get_req_cert_type(SSL
*s
, unsigned char *p
)
1130 alg
=s
->s3
->tmp
.new_cipher
->algorithms
;
1133 if (alg
& (SSL_kDHr
|SSL_kEDH
))
1136 p
[ret
++]=SSL3_CT_RSA_FIXED_DH
;
1139 p
[ret
++]=SSL3_CT_DSS_FIXED_DH
;
1142 if ((s
->version
== SSL3_VERSION
) &&
1143 (alg
& (SSL_kEDH
|SSL_kDHd
|SSL_kDHr
)))
1146 p
[ret
++]=SSL3_CT_RSA_EPHEMERAL_DH
;
1149 p
[ret
++]=SSL3_CT_DSS_EPHEMERAL_DH
;
1154 p
[ret
++]=SSL3_CT_RSA_SIGN
;
1157 p
[ret
++]=SSL3_CT_DSS_SIGN
;
1162 int ssl3_shutdown(SSL
*s
)
1165 /* Don't do anything much if we have not done the handshake or
1166 * we don't want to send messages :-) */
1167 if ((s
->quiet_shutdown
) || (s
->state
== SSL_ST_BEFORE
))
1169 s
->shutdown
=(SSL_SENT_SHUTDOWN
|SSL_RECEIVED_SHUTDOWN
);
1173 if (!(s
->shutdown
& SSL_SENT_SHUTDOWN
))
1175 s
->shutdown
|=SSL_SENT_SHUTDOWN
;
1177 ssl3_send_alert(s
,SSL3_AL_WARNING
,SSL_AD_CLOSE_NOTIFY
);
1179 /* our shutdown alert has been sent now, and if it still needs
1180 * to be written, s->s3->alert_dispatch will be true */
1182 else if (s
->s3
->alert_dispatch
)
1184 /* resend it if not sent */
1186 ssl3_dispatch_alert(s
);
1189 else if (!(s
->shutdown
& SSL_RECEIVED_SHUTDOWN
))
1191 /* If we are waiting for a close from our peer, we are closed */
1192 ssl3_read_bytes(s
,0,NULL
,0);
1195 if ((s
->shutdown
== (SSL_SENT_SHUTDOWN
|SSL_RECEIVED_SHUTDOWN
)) &&
1196 !s
->s3
->alert_dispatch
)
1202 int ssl3_write(SSL
*s
, const void *buf
, int len
)
1207 if (s
->shutdown
& SSL_SEND_SHUTDOWN
)
1209 s
->rwstate
=SSL_NOTHING
;
1214 if (s
->s3
->renegotiate
) ssl3_renegotiate_check(s
);
1216 /* This is an experimental flag that sends the
1217 * last handshake message in the same packet as the first
1218 * use data - used to see if it helps the TCP protocol during
1219 * session-id reuse */
1220 /* The second test is because the buffer may have been removed */
1221 if ((s
->s3
->flags
& SSL3_FLAGS_POP_BUFFER
) && (s
->wbio
== s
->bbio
))
1223 /* First time through, we write into the buffer */
1224 if (s
->s3
->delay_buf_pop_ret
== 0)
1226 ret
=ssl3_write_bytes(s
,SSL3_RT_APPLICATION_DATA
,
1228 if (ret
<= 0) return(ret
);
1230 s
->s3
->delay_buf_pop_ret
=ret
;
1233 s
->rwstate
=SSL_WRITING
;
1234 n
=BIO_flush(s
->wbio
);
1235 if (n
<= 0) return(n
);
1236 s
->rwstate
=SSL_NOTHING
;
1238 /* We have flushed the buffer, so remove it */
1239 ssl_free_wbio_buffer(s
);
1240 s
->s3
->flags
&= ~SSL3_FLAGS_POP_BUFFER
;
1242 ret
=s
->s3
->delay_buf_pop_ret
;
1243 s
->s3
->delay_buf_pop_ret
=0;
1247 ret
=ssl3_write_bytes(s
,SSL3_RT_APPLICATION_DATA
,
1249 if (ret
<= 0) return(ret
);
1255 int ssl3_read(SSL
*s
, void *buf
, int len
)
1260 if (s
->s3
->renegotiate
) ssl3_renegotiate_check(s
);
1261 s
->s3
->in_read_app_data
=1;
1262 ret
=ssl3_read_bytes(s
,SSL3_RT_APPLICATION_DATA
,buf
,len
);
1263 if ((ret
== -1) && (s
->s3
->in_read_app_data
== 0))
1265 /* ssl3_read_bytes decided to call s->handshake_func, which
1266 * called ssl3_read_bytes to read handshake data.
1267 * However, ssl3_read_bytes actually found application data
1268 * and thinks that application data makes sense here (signalled
1269 * by resetting 'in_read_app_data', strangely); so disable
1270 * handshake processing and try to read application data again. */
1272 ret
=ssl3_read_bytes(s
,SSL3_RT_APPLICATION_DATA
,buf
,len
);
1276 s
->s3
->in_read_app_data
=0;
1281 int ssl3_peek(SSL
*s
, char *buf
, int len
)
1284 SSLerr(SSL_F_SSL3_PEEK
, SSL_R_FIXME
); /* function is totally broken */
1291 if ((rr
->length
== 0) || (rr
->type
!= SSL3_RT_APPLICATION_DATA
))
1293 n
=ssl3_read(s
,buf
,1);
1294 if (n
<= 0) return(n
);
1299 if ((unsigned int)len
> rr
->length
)
1303 memcpy(buf
,&(rr
->data
[rr
->off
]),(unsigned int)n
);
1308 int ssl3_renegotiate(SSL
*s
)
1310 if (s
->handshake_func
== NULL
)
1313 if (s
->s3
->flags
& SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS
)
1316 s
->s3
->renegotiate
=1;
1320 int ssl3_renegotiate_check(SSL
*s
)
1324 if (s
->s3
->renegotiate
)
1326 if ( (s
->s3
->rbuf
.left
== 0) &&
1327 (s
->s3
->wbuf
.left
== 0) &&
1331 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1332 need to go to SSL_ST_ACCEPT.
1335 s
->state
=SSL_ST_RENEGOTIATE
;
1336 s
->s3
->renegotiate
=0;
1337 s
->s3
->num_renegotiations
++;
1338 s
->s3
->total_renegotiations
++;