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.]
64 char *SSL_version_str="SSLeay 0.9.0b 29-Jun-1998";
66 static STACK *ssl_meth=NULL;
67 static STACK *ssl_ctx_meth=NULL;
68 static int ssl_meth_num=0;
69 static int ssl_ctx_meth_num=0;
71 SSL3_ENC_METHOD ssl3_undef_enc_method={
72 ssl_undefined_function,
73 ssl_undefined_function,
74 ssl_undefined_function,
75 ssl_undefined_function,
76 ssl_undefined_function,
77 ssl_undefined_function,
85 if (s->method == NULL) return;
90 /* This is set if we are doing dynamic renegotiation so keep
91 * the old cipher. It is sort of a SSL_clear_lite :-) */
92 if (s->new_session) return;
94 state=s->state; /* Keep to check if we throw away the session-id */
97 s->version=s->method->version;
98 s->rwstate=SSL_NOTHING;
99 s->state=SSL_ST_BEFORE;
100 s->rstate=SSL_ST_READ_HEADER;
101 s->read_ahead=s->ctx->default_read_ahead;
103 /* s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); */
105 if (s->init_buf != NULL)
107 BUF_MEM_free(s->init_buf);
111 ssl_clear_cipher_ctx(s);
113 if (ssl_clear_bad_session(s))
115 SSL_SESSION_free(s->session);
119 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
122 s->method->ssl_clear(s);
125 /* Used to change an SSL_CTXs default SSL method type */
126 int SSL_CTX_set_ssl_version(ctx,meth)
134 sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
135 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
136 if ((sk == NULL) || (sk_num(sk) <= 0))
138 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
151 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
154 if (ctx->method == NULL)
156 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
160 s=(SSL *)Malloc(sizeof(SSL));
161 if (s == NULL) goto err;
162 memset(s,0,sizeof(SSL));
164 if (ctx->default_cert != NULL)
166 CRYPTO_add(&ctx->default_cert->references,1,
167 CRYPTO_LOCK_SSL_CERT);
168 s->cert=ctx->default_cert;
172 s->verify_mode=ctx->default_verify_mode;
173 s->verify_callback=ctx->default_verify_callback;
174 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
177 s->verify_result=X509_V_OK;
179 s->method=ctx->method;
181 if (!s->method->ssl_new(s))
188 s->quiet_shutdown=ctx->quiet_shutdown;
190 s->options=ctx->options;
193 CRYPTO_new_ex_data(ssl_meth,(char *)s,&s->ex_data);
197 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
206 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
214 fprintf(stderr,"SSL_free, bad reference count\n");
219 CRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data);
223 /* If the buffering BIO is in place, pop it off */
224 if (s->bbio == s->wbio)
226 s->wbio=BIO_pop(s->wbio);
232 BIO_free_all(s->rbio);
233 if ((s->wbio != NULL) && (s->wbio != s->rbio))
234 BIO_free_all(s->wbio);
236 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
238 /* add extra stuff */
239 if (s->cipher_list != NULL) sk_free(s->cipher_list);
240 if (s->cipher_list_by_id != NULL) sk_free(s->cipher_list_by_id);
242 /* Make the next call work :-) */
243 if (s->session != NULL)
245 ssl_clear_bad_session(s);
246 SSL_SESSION_free(s->session);
249 ssl_clear_cipher_ctx(s);
251 if (s->cert != NULL) ssl_cert_free(s->cert);
252 /* Free up if allocated */
254 if (s->ctx) SSL_CTX_free(s->ctx);
256 if (s->client_CA != NULL)
257 sk_pop_free(s->client_CA,X509_NAME_free);
259 if (s->method != NULL) s->method->ssl_free(s);
264 void SSL_set_bio(s, rbio,wbio)
269 /* If the output buffering BIO is still in place, remove it
273 if (s->wbio == s->bbio)
275 s->wbio=s->wbio->next_bio;
276 s->bbio->next_bio=NULL;
279 if ((s->rbio != NULL) && (s->rbio != rbio))
280 BIO_free_all(s->rbio);
281 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
282 BIO_free_all(s->wbio);
302 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
309 int SSL_set_fd(s, fd)
316 bio=BIO_new(BIO_s_socket());
320 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
323 BIO_set_fd(bio,fd,BIO_NOCLOSE);
324 SSL_set_bio(s,bio,bio);
330 int SSL_set_wfd(s, fd)
337 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
338 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
340 bio=BIO_new(BIO_s_socket());
343 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
344 BIO_set_fd(bio,fd,BIO_NOCLOSE);
345 SSL_set_bio(s,SSL_get_rbio(s),bio);
348 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
354 int SSL_set_rfd(s, fd)
361 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
362 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
364 bio=BIO_new(BIO_s_socket());
368 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
371 BIO_set_fd(bio,fd,BIO_NOCLOSE);
372 SSL_set_bio(s,bio,SSL_get_wbio(s));
375 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
382 int SSL_get_verify_mode(s)
385 return(s->verify_mode);
388 int (*SSL_get_verify_callback(s))()
391 return(s->verify_callback);
394 int SSL_CTX_get_verify_mode(ctx)
397 return(ctx->default_verify_mode);
400 int (*SSL_CTX_get_verify_callback(ctx))()
403 return(ctx->default_verify_callback);
406 void SSL_set_verify(s, mode, callback)
412 if (callback != NULL)
413 s->verify_callback=callback;
416 void SSL_set_read_ahead(s, yes)
423 int SSL_get_read_ahead(s)
426 return(s->read_ahead);
432 return(s->method->ssl_pending(s));
435 X509 *SSL_get_peer_certificate(s)
440 if ((s == NULL) || (s->session == NULL))
445 if (r == NULL) return(r);
447 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
452 STACK *SSL_get_peer_cert_chain(s)
457 if ((s == NULL) || (s->session == NULL) || (s->session->cert == NULL))
460 r=s->session->cert->cert_chain;
465 /* Now in theory, since the calling process own 't' it should be safe to
466 * modify. We need to be able to read f without being hassled */
467 void SSL_copy_session_id(t,f)
472 /* Do we need to to SSL locking? */
473 SSL_set_session(t,SSL_get_session(f));
475 /* what if we are setup as SSLv2 but want to talk SSLv3 or
477 if (t->method != f->method)
479 t->method->ssl_free(t); /* cleanup current */
480 t->method=f->method; /* change method */
481 t->method->ssl_new(t); /* setup new */
487 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
492 if (tmp != NULL) ssl_cert_free(tmp);
495 /* Fix this so it checks all the valid key/cert options */
496 int SSL_CTX_check_private_key(ctx)
499 if ( (ctx == NULL) ||
500 (ctx->default_cert == NULL) ||
501 (ctx->default_cert->key->x509 == NULL))
503 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
506 if (ctx->default_cert->key->privatekey == NULL)
508 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
511 return(X509_check_private_key(ctx->default_cert->key->x509, ctx->default_cert->key->privatekey));
514 /* Fix this function so that it takes an optional type parameter */
515 int SSL_check_private_key(ssl)
520 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
523 if (ssl->cert == NULL)
524 return(SSL_CTX_check_private_key(ssl->ctx));
525 if (ssl->cert->key->x509 == NULL)
527 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
530 if (ssl->cert->key->privatekey == NULL)
532 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
535 return(X509_check_private_key(ssl->cert->key->x509,
536 ssl->cert->key->privatekey));
542 return(s->method->ssl_accept(s));
548 return(s->method->ssl_connect(s));
551 long SSL_get_default_timeout(s)
554 return(s->method->get_timeout());
557 int SSL_read(s,buf,num)
562 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
564 s->rwstate=SSL_NOTHING;
567 return(s->method->ssl_read(s,buf,num));
570 int SSL_peek(s,buf,num)
575 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
579 return(s->method->ssl_peek(s,buf,num));
582 int SSL_write(s,buf,num)
587 if (s->shutdown & SSL_SENT_SHUTDOWN)
589 s->rwstate=SSL_NOTHING;
590 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
593 return(s->method->ssl_write(s,buf,num));
599 if ((s != NULL) && !SSL_in_init(s))
600 return(s->method->ssl_shutdown(s));
605 int SSL_renegotiate(s)
609 return(s->method->ssl_renegotiate(s));
612 long SSL_ctrl(s,cmd,larg,parg)
618 return(s->method->ssl_ctrl(s,cmd,larg,parg));
621 long SSL_CTX_ctrl(ctx,cmd,larg,parg)
627 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
630 int ssl_cipher_id_cmp(a,b)
639 return((l > 0)?1:-1);
642 int ssl_cipher_ptr_id_cmp(ap,bp)
643 SSL_CIPHER **ap,**bp;
647 l=(*ap)->id-(*bp)->id;
651 return((l > 0)?1:-1);
654 /* return a STACK of the ciphers available for the SSL and in order of
656 STACK *SSL_get_ciphers(s)
659 if ((s != NULL) && (s->cipher_list != NULL))
661 return(s->cipher_list);
663 else if ((s->ctx != NULL) &&
664 (s->ctx->cipher_list != NULL))
666 return(s->ctx->cipher_list);
671 /* return a STACK of the ciphers available for the SSL and in order of
673 STACK *ssl_get_ciphers_by_id(s)
676 if ((s != NULL) && (s->cipher_list_by_id != NULL))
678 return(s->cipher_list_by_id);
680 else if ((s != NULL) && (s->ctx != NULL) &&
681 (s->ctx->cipher_list_by_id != NULL))
683 return(s->ctx->cipher_list_by_id);
688 /* The old interface to get the same thing as SSL_get_ciphers() */
689 char *SSL_get_cipher_list(s,n)
696 if (s == NULL) return(NULL);
697 sk=SSL_get_ciphers(s);
698 if ((sk == NULL) || (sk_num(sk) <= n))
700 c=(SSL_CIPHER *)sk_value(sk,n);
701 if (c == NULL) return(NULL);
705 /* specify the ciphers to be used by defaut by the SSL_CTX */
706 int SSL_CTX_set_cipher_list(ctx,str)
712 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
713 &ctx->cipher_list_by_id,str);
715 return((sk == NULL)?0:1);
718 /* specify the ciphers to be used by the SSL */
719 int SSL_set_cipher_list(s, str)
725 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
726 &s->cipher_list_by_id,str);
728 return((sk == NULL)?0:1);
731 /* works well for SSLv2, not so good for SSLv3 */
732 char *SSL_get_shared_ciphers(s,buf,len)
742 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
747 sk=s->session->ciphers;
748 for (i=0; i<sk_num(sk); i++)
750 /* Decrement for either the ':' or a '\0' */
752 c=(SSL_CIPHER *)sk_value(sk,i);
753 for (cp=c->name; *cp; )
769 int ssl_cipher_list_to_bytes(s,sk,p)
778 if (sk == NULL) return(0);
781 for (i=0; i<sk_num(sk); i++)
783 c=(SSL_CIPHER *)sk_value(sk,i);
784 j=ssl_put_cipher_by_char(s,c,p);
790 STACK *ssl_bytes_to_cipher_list(s,p,num,skp)
800 n=ssl_put_cipher_by_char(s,NULL,NULL);
803 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
806 if ((skp == NULL) || (*skp == NULL))
807 sk=sk_new(NULL); /* change perhaps later */
814 for (i=0; i<num; i+=n)
816 c=ssl_get_cipher_by_char(s,p);
820 if (!sk_push(sk,(char *)c))
822 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
832 if ((skp == NULL) || (*skp == NULL))
837 unsigned long SSL_SESSION_hash(a)
842 l= (a->session_id[0] )|(a->session_id[1]<< 8L)|
843 (a->session_id[2]<<16L)|(a->session_id[3]<<24L);
847 int SSL_SESSION_cmp(a, b)
851 if (a->ssl_version != b->ssl_version)
853 if (a->session_id_length != b->session_id_length)
855 return(memcmp(a->session_id,b->session_id,a->session_id_length));
858 SSL_CTX *SSL_CTX_new(meth)
865 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
868 ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX));
872 memset(ret,0,sizeof(SSL_CTX));
876 ret->cert_store=NULL;
877 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
878 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
879 ret->session_cache_head=NULL;
880 ret->session_cache_tail=NULL;
882 /* We take the system default */
883 ret->session_timeout=meth->get_timeout();
885 ret->new_session_cb=NULL;
886 ret->remove_session_cb=NULL;
887 ret->get_session_cb=NULL;
890 ret->sess_connect_good=0;
892 ret->sess_accept_renegotiate=0;
893 ret->sess_connect_renegotiate=0;
894 ret->sess_accept_good=0;
897 ret->sess_cache_full=0;
902 ret->quiet_shutdown=0;
904 /* ret->cipher=NULL;*/
905 /* ret->s2->challenge=NULL;
906 ret->master_key=NULL;
908 ret->s2->conn_id=NULL; */
910 ret->info_callback=NULL;
912 ret->app_verify_callback=NULL;
913 ret->app_verify_arg=NULL;
915 ret->default_read_ahead=0;
916 ret->default_verify_mode=SSL_VERIFY_NONE;
917 ret->default_verify_callback=NULL;
918 if ((ret->default_cert=ssl_cert_new()) == NULL)
921 ret->default_passwd_callback=NULL;
922 ret->client_cert_cb=NULL;
924 ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp);
925 if (ret->sessions == NULL) goto err;
926 ret->cert_store=X509_STORE_new();
927 if (ret->cert_store == NULL) goto err;
929 ssl_create_cipher_list(ret->method,
930 &ret->cipher_list,&ret->cipher_list_by_id,
931 SSL_DEFAULT_CIPHER_LIST);
932 if ((ret->cipher_list == NULL) || (sk_num(ret->cipher_list) <= 0))
934 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
938 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
940 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
943 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
945 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
948 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
950 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
954 if ((ret->client_CA=sk_new_null()) == NULL)
957 CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data);
961 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
963 if (ret != NULL) SSL_CTX_free(ret);
972 if (a == NULL) return;
974 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
976 REF_PRINT("SSL_CTX",a);
982 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
986 CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data);
988 if (a->sessions != NULL)
990 SSL_CTX_flush_sessions(a,0);
991 lh_free(a->sessions);
993 if (a->cert_store != NULL)
994 X509_STORE_free(a->cert_store);
995 if (a->cipher_list != NULL)
996 sk_free(a->cipher_list);
997 if (a->cipher_list_by_id != NULL)
998 sk_free(a->cipher_list_by_id);
999 if (a->default_cert != NULL)
1000 ssl_cert_free(a->default_cert);
1001 if (a->client_CA != NULL)
1002 sk_pop_free(a->client_CA,X509_NAME_free);
1006 void SSL_CTX_set_default_passwd_cb(ctx,cb)
1010 ctx->default_passwd_callback=cb;
1013 void SSL_CTX_set_cert_verify_cb(ctx,cb,arg)
1018 ctx->app_verify_callback=cb;
1019 ctx->app_verify_arg=arg;
1022 void SSL_CTX_set_verify(ctx,mode,cb)
1027 ctx->default_verify_mode=mode;
1028 ctx->default_verify_callback=cb;
1029 /* This needs cleaning up EAY EAY EAY */
1030 X509_STORE_set_verify_cb_func(ctx->cert_store,cb);
1033 void ssl_set_cert_masks(c)
1037 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1038 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1039 int rsa_tmp_export,dh_tmp_export;
1040 unsigned long mask,emask;
1042 if ((c == NULL) || (c->valid)) return;
1045 rsa_tmp=((c->rsa_tmp != NULL) || (c->rsa_tmp_cb != NULL))?1:0;
1046 rsa_tmp_export=((c->rsa_tmp_cb != NULL) ||
1047 (rsa_tmp && (RSA_size(c->rsa_tmp)*8 <= 512)))?1:0;
1049 rsa_tmp=rsa_tmp_export=0;
1052 dh_tmp=((c->dh_tmp != NULL) || (c->dh_tmp_cb != NULL))?1:0;
1053 dh_tmp_export=((c->dh_tmp_cb != NULL) ||
1054 (dh_tmp && (DH_size(c->dh_tmp)*8 <= 512)))?1:0;
1056 dh_tmp=dh_tmp_export=0;
1059 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1060 rsa_enc= ((cpk->x509 != NULL) && (cpk->privatekey != NULL))?1:0;
1061 rsa_enc_export=(rsa_enc && (EVP_PKEY_size(cpk->privatekey)*8 <= 512))?1:0;
1062 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1063 rsa_sign=((cpk->x509 != NULL) && (cpk->privatekey != NULL))?1:0;
1064 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1065 dsa_sign=((cpk->x509 != NULL) && (cpk->privatekey != NULL))?1:0;
1066 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1067 dh_rsa= ((cpk->x509 != NULL) && (cpk->privatekey != NULL))?1:0;
1068 dh_rsa_export=(dh_rsa && (EVP_PKEY_size(cpk->privatekey)*8 <= 512))?1:0;
1069 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1070 /* FIX THIS EAY EAY EAY */
1071 dh_dsa= ((cpk->x509 != NULL) && (cpk->privatekey != NULL))?1:0;
1072 dh_dsa_export=(dh_dsa && (EVP_PKEY_size(cpk->privatekey)*8 <= 512))?1:0;
1078 printf("rt=%d dht=%d re=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1080 rsa_enc,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1083 if (rsa_enc || (rsa_tmp && rsa_sign))
1085 if (rsa_enc_export || (rsa_tmp_export && rsa_sign))
1089 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1090 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1091 (rsa_enc || rsa_sign || dsa_sign))
1093 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1094 (rsa_enc || rsa_sign || dsa_sign))
1104 if (dh_rsa) mask|=SSL_kDHr;
1105 if (dh_rsa_export) emask|=SSL_kDHr;
1107 if (dh_dsa) mask|=SSL_kDHd;
1108 if (dh_dsa_export) emask|=SSL_kDHd;
1110 if (rsa_enc || rsa_sign)
1122 #ifdef SSL_ALLOW_ADH
1128 c->export_mask=emask;
1132 /* THIS NEEDS CLEANING UP */
1133 X509 *ssl_get_server_send_cert(s)
1136 unsigned long alg,mask,kalg;
1141 ssl_set_cert_masks(c);
1142 alg=s->s3->tmp.new_cipher->algorithms;
1143 export=(alg & SSL_EXPORT)?1:0;
1144 mask=(export)?c->export_mask:c->mask;
1145 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1147 if (kalg & SSL_kDHr)
1149 else if (kalg & SSL_kDHd)
1151 else if (kalg & SSL_aDSS)
1152 i=SSL_PKEY_DSA_SIGN;
1153 else if (kalg & SSL_aRSA)
1155 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1156 i=SSL_PKEY_RSA_SIGN;
1160 else /* if (kalg & SSL_aNULL) */
1162 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR);
1165 if (c->pkeys[i].x509 == NULL) return(NULL);
1166 return(c->pkeys[i].x509);
1169 EVP_PKEY *ssl_get_sign_pkey(s,cipher)
1176 alg=cipher->algorithms;
1179 if ((alg & SSL_aDSS) &&
1180 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1181 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1182 else if (alg & SSL_aRSA)
1184 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1185 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1186 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1187 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1191 else /* if (alg & SSL_aNULL) */
1193 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR);
1198 void ssl_update_cache(s,mode)
1204 /* If the session_id_length is 0, we are not supposed to cache it,
1205 * and it would be rather hard to do anyway :-) */
1206 if (s->session->session_id_length == 0) return;
1208 if ((s->ctx->session_cache_mode & mode)
1210 && SSL_CTX_add_session(s->ctx,s->session)
1211 && (s->ctx->new_session_cb != NULL))
1213 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1214 if (!s->ctx->new_session_cb(s,s->session))
1215 SSL_SESSION_free(s->session);
1218 /* auto flush every 255 connections */
1219 i=s->ctx->session_cache_mode;
1220 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1221 ((i & mode) == mode))
1223 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1224 ?s->ctx->sess_connect_good
1225 :s->ctx->sess_accept_good) & 0xff) == 0xff)
1227 SSL_CTX_flush_sessions(s->ctx,time(NULL));
1232 SSL_METHOD *SSL_get_ssl_method(s)
1238 int SSL_set_ssl_method(s,meth)
1245 if (s->method != meth)
1247 if (s->handshake_func != NULL)
1248 conn=(s->handshake_func == s->method->ssl_connect);
1250 if (s->method->version == meth->version)
1254 s->method->ssl_free(s);
1256 ret=s->method->ssl_new(s);
1260 s->handshake_func=meth->ssl_connect;
1262 s->handshake_func=meth->ssl_accept;
1267 int SSL_get_error(s,i)
1274 if (i > 0) return(SSL_ERROR_NONE);
1276 if (ERR_peek_error() != 0)
1277 return(SSL_ERROR_SSL);
1279 if ((i < 0) && SSL_want_read(s))
1281 bio=SSL_get_rbio(s);
1282 if (BIO_should_read(bio))
1283 return(SSL_ERROR_WANT_READ);
1284 else if (BIO_should_write(bio))
1285 return(SSL_ERROR_WANT_WRITE);
1286 else if (BIO_should_io_special(bio))
1288 reason=BIO_get_retry_reason(bio);
1289 if (reason == BIO_RR_CONNECT)
1290 return(SSL_ERROR_WANT_CONNECT);
1292 return(SSL_ERROR_SYSCALL); /* unknown */
1296 if ((i < 0) && SSL_want_write(s))
1298 bio=SSL_get_wbio(s);
1299 if (BIO_should_write(bio))
1300 return(SSL_ERROR_WANT_WRITE);
1301 else if (BIO_should_read(bio))
1302 return(SSL_ERROR_WANT_READ);
1303 else if (BIO_should_io_special(bio))
1305 reason=BIO_get_retry_reason(bio);
1306 if (reason == BIO_RR_CONNECT)
1307 return(SSL_ERROR_WANT_CONNECT);
1309 return(SSL_ERROR_SYSCALL);
1312 if ((i < 0) && SSL_want_x509_lookup(s))
1314 return(SSL_ERROR_WANT_X509_LOOKUP);
1319 if (s->version == SSL2_VERSION)
1321 /* assume it is the socket being closed */
1322 return(SSL_ERROR_ZERO_RETURN);
1326 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
1327 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
1328 return(SSL_ERROR_ZERO_RETURN);
1331 return(SSL_ERROR_SYSCALL);
1334 int SSL_do_handshake(s)
1339 if (s->handshake_func == NULL)
1341 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
1344 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1345 if (SSL_in_init(s) || SSL_in_before(s))
1347 ret=s->handshake_func(s);
1352 /* For the next 2 functions, SSL_clear() sets shutdown and so
1353 * one of these calls will reset it */
1354 void SSL_set_accept_state(s)
1358 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
1359 s->handshake_func=s->method->ssl_accept;
1360 /* clear the current cipher */
1361 ssl_clear_cipher_ctx(s);
1364 void SSL_set_connect_state(s)
1368 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
1369 s->handshake_func=s->method->ssl_connect;
1370 /* clear the current cipher */
1371 ssl_clear_cipher_ctx(s);
1374 int ssl_undefined_function(s)
1377 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1381 SSL_METHOD *ssl_bad_method(ver)
1384 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1388 char *SSL_get_version(s)
1391 if (s->version == TLS1_VERSION)
1393 else if (s->version == SSL3_VERSION)
1395 else if (s->version == SSL2_VERSION)
1409 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL) return(NULL);
1411 /* This copies version, session-id, SSL_METHOD and 'cert' */
1412 SSL_copy_session_id(ret,s);
1414 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
1415 SSL_set_verify(ret,SSL_get_verify_mode(s),
1416 SSL_get_verify_callback(s));
1418 SSL_set_info_callback(ret,SSL_get_info_callback(s));
1420 ret->debug=s->debug;
1421 ret->options=s->options;
1423 /* copy app data, a little dangerous perhaps */
1424 if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data))
1427 /* setup rbio, and wbio */
1428 if (s->rbio != NULL)
1430 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
1433 if (s->wbio != NULL)
1435 if (s->wbio != s->rbio)
1437 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
1441 ret->wbio=ret->rbio;
1444 /* dup the cipher_list and cipher_list_by_id stacks */
1445 if (s->cipher_list != NULL)
1447 if ((ret->cipher_list=sk_dup(s->cipher_list)) == NULL)
1450 if (s->cipher_list_by_id != NULL)
1451 if ((ret->cipher_list_by_id=sk_dup(s->cipher_list_by_id))
1455 /* Dup the client_CA list */
1456 if (s->client_CA != NULL)
1458 if ((sk=sk_dup(s->client_CA)) == NULL) goto err;
1460 for (i=0; i<sk_num(sk); i++)
1462 xn=(X509_NAME *)sk_value(sk,i);
1463 if ((sk_value(sk,i)=(char *)X509_NAME_dup(xn)) == NULL)
1471 ret->shutdown=s->shutdown;
1472 ret->state=s->state;
1473 ret->handshake_func=s->handshake_func;
1478 if (ret != NULL) SSL_free(ret);
1484 void ssl_clear_cipher_ctx(s)
1487 if (s->enc_read_ctx != NULL)
1489 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
1490 Free(s->enc_read_ctx);
1491 s->enc_read_ctx=NULL;
1493 if (s->enc_write_ctx != NULL)
1495 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
1496 Free(s->enc_write_ctx);
1497 s->enc_write_ctx=NULL;
1501 /* Fix this function so that it takes an optional type parameter */
1502 X509 *SSL_get_certificate(s)
1505 if (s->cert != NULL)
1506 return(s->cert->key->x509);
1511 /* Fix this function so that it takes an optional type parameter */
1512 EVP_PKEY *SSL_get_privatekey(s)
1515 if (s->cert != NULL)
1516 return(s->cert->key->privatekey);
1521 SSL_CIPHER *SSL_get_current_cipher(s)
1524 if ((s->session != NULL) && (s->session->cipher != NULL))
1525 return(s->session->cipher);
1529 int ssl_init_wbio_buffer(s,push)
1535 if (s->bbio == NULL)
1537 bbio=BIO_new(BIO_f_buffer());
1538 if (bbio == NULL) return(0);
1544 if (s->bbio == s->wbio)
1545 s->wbio=BIO_pop(s->wbio);
1548 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
1549 if (!BIO_set_read_buffer_size(bbio,1))
1551 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
1556 if (s->wbio != bbio)
1557 s->wbio=BIO_push(bbio,s->wbio);
1561 if (s->wbio == bbio)
1562 s->wbio=BIO_pop(bbio);
1567 void SSL_CTX_set_quiet_shutdown(ctx,mode)
1571 ctx->quiet_shutdown=mode;
1574 int SSL_CTX_get_quiet_shutdown(ctx)
1577 return(ctx->quiet_shutdown);
1580 void SSL_set_quiet_shutdown(s,mode)
1584 s->quiet_shutdown=mode;
1587 int SSL_get_quiet_shutdown(s)
1590 return(s->quiet_shutdown);
1593 void SSL_set_shutdown(s,mode)
1600 int SSL_get_shutdown(s)
1603 return(s->shutdown);
1612 SSL_CTX *SSL_get_SSL_CTX(ssl)
1618 int SSL_CTX_set_default_verify_paths(ctx)
1621 return(X509_STORE_set_default_paths(ctx->cert_store));
1624 int SSL_CTX_load_verify_locations(ctx,CAfile,CApath)
1629 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
1632 void SSL_set_info_callback(ssl,cb)
1636 ssl->info_callback=cb;
1639 void (*SSL_get_info_callback(ssl))()
1642 return(ssl->info_callback);
1651 void SSL_set_verify_result(ssl,arg)
1655 ssl->verify_result=arg;
1658 long SSL_get_verify_result(ssl)
1661 return(ssl->verify_result);
1664 int SSL_get_ex_new_index(argl,argp,new_func,dup_func,free_func)
1669 void (*free_func)();
1672 return(CRYPTO_get_ex_new_index(ssl_meth_num-1,
1673 &ssl_meth,argl,argp,new_func,dup_func,free_func));
1676 int SSL_set_ex_data(s,idx,arg)
1681 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1684 char *SSL_get_ex_data(s,idx)
1688 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1691 int SSL_CTX_get_ex_new_index(argl,argp,new_func,dup_func,free_func)
1696 void (*free_func)();
1699 return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1,
1700 &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func));
1703 int SSL_CTX_set_ex_data(s,idx,arg)
1708 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1711 char *SSL_CTX_get_ex_data(s,idx)
1715 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1718 #if defined(_WINDLL) && defined(WIN16)
1719 #include "../crypto/bio/bss_file.c"