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.]
58 /* ====================================================================
59 * Copyright 2005 Nokia. All rights reserved.
61 * The portions of the attached software ("Contribution") is developed by
62 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
65 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
66 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
67 * support (see RFC 4279) to OpenSSL.
69 * No patent licenses or other rights except those expressly stated in
70 * the OpenSSL open source license shall be deemed granted or received
71 * expressly, by implication, estoppel, or otherwise.
73 * No assurances are provided by Nokia that the Contribution does not
74 * infringe the patent or other intellectual property rights of any third
75 * party or that the license provides you with all the necessary rights
76 * to make use of the Contribution.
78 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
79 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
80 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
81 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
88 #include <openssl/asn1_mac.h>
89 #include <openssl/objects.h>
90 #include <openssl/x509.h>
92 typedef struct ssl_session_asn1_st
95 ASN1_INTEGER ssl_version;
96 ASN1_OCTET_STRING cipher;
97 ASN1_OCTET_STRING master_key;
98 ASN1_OCTET_STRING session_id;
99 ASN1_OCTET_STRING session_id_context;
100 ASN1_OCTET_STRING key_arg;
101 #ifndef OPENSSL_NO_KRB5
102 ASN1_OCTET_STRING krb5_princ;
103 #endif /* OPENSSL_NO_KRB5 */
105 ASN1_INTEGER timeout;
106 ASN1_INTEGER verify_result;
107 #ifndef OPENSSL_NO_TLSEXT
108 ASN1_OCTET_STRING tlsext_hostname;
109 #ifndef OPENSSL_NO_EC
110 ASN1_OCTET_STRING tlsext_ecpointformatlist;
111 #endif /* OPENSSL_NO_EC */
112 #endif /* OPENSSL_NO_TLSEXT */
113 #ifndef OPENSSL_NO_PSK
114 ASN1_OCTET_STRING psk_identity_hint;
115 ASN1_OCTET_STRING psk_identity;
116 #endif /* OPENSSL_NO_PSK */
119 int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
121 #define LSIZE2 (sizeof(long)*2)
122 int v1=0,v2=0,v3=0,v4=0,v5=0,v6=0,v7=0,v8=0,v9=0;
123 unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
124 unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
129 if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
132 /* Note that I cheat in the following 2 assignments. I know
133 * that if the ASN1_INTEGER passed to ASN1_INTEGER_set
134 * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
135 * This is a bit evil but makes things simple, no dynamic allocation
137 a.version.length=LSIZE2;
138 a.version.type=V_ASN1_INTEGER;
139 a.version.data=ibuf1;
140 ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
142 a.ssl_version.length=LSIZE2;
143 a.ssl_version.type=V_ASN1_INTEGER;
144 a.ssl_version.data=ibuf2;
145 ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
147 a.cipher.type=V_ASN1_OCTET_STRING;
150 if (in->cipher == NULL)
154 if (in->ssl_version == SSL2_VERSION)
157 buf[0]=((unsigned char)(l>>16L))&0xff;
158 buf[1]=((unsigned char)(l>> 8L))&0xff;
159 buf[2]=((unsigned char)(l ))&0xff;
164 buf[0]=((unsigned char)(l>>8L))&0xff;
165 buf[1]=((unsigned char)(l ))&0xff;
168 a.master_key.length=in->master_key_length;
169 a.master_key.type=V_ASN1_OCTET_STRING;
170 a.master_key.data=in->master_key;
172 a.session_id.length=in->session_id_length;
173 a.session_id.type=V_ASN1_OCTET_STRING;
174 a.session_id.data=in->session_id;
176 a.session_id_context.length=in->sid_ctx_length;
177 a.session_id_context.type=V_ASN1_OCTET_STRING;
178 a.session_id_context.data=in->sid_ctx;
180 a.key_arg.length=in->key_arg_length;
181 a.key_arg.type=V_ASN1_OCTET_STRING;
182 a.key_arg.data=in->key_arg;
184 #ifndef OPENSSL_NO_KRB5
185 if (in->krb5_client_princ_len)
187 a.krb5_princ.length=in->krb5_client_princ_len;
188 a.krb5_princ.type=V_ASN1_OCTET_STRING;
189 a.krb5_princ.data=in->krb5_client_princ;
191 #endif /* OPENSSL_NO_KRB5 */
195 a.time.length=LSIZE2;
196 a.time.type=V_ASN1_INTEGER;
198 ASN1_INTEGER_set(&(a.time),in->time);
201 if (in->timeout != 0L)
203 a.timeout.length=LSIZE2;
204 a.timeout.type=V_ASN1_INTEGER;
205 a.timeout.data=ibuf4;
206 ASN1_INTEGER_set(&(a.timeout),in->timeout);
209 if (in->verify_result != X509_V_OK)
211 a.verify_result.length=LSIZE2;
212 a.verify_result.type=V_ASN1_INTEGER;
213 a.verify_result.data=ibuf5;
214 ASN1_INTEGER_set(&a.verify_result,in->verify_result);
217 #ifndef OPENSSL_NO_TLSEXT
218 if (in->tlsext_hostname)
220 a.tlsext_hostname.length=strlen(in->tlsext_hostname);
221 a.tlsext_hostname.type=V_ASN1_OCTET_STRING;
222 a.tlsext_hostname.data=(unsigned char *)in->tlsext_hostname;
224 #ifndef OPENSSL_NO_EC
225 if (in->tlsext_ecpointformatlist)
227 a.tlsext_ecpointformatlist.length=in->tlsext_ecpointformatlist_length;
228 a.tlsext_ecpointformatlist.type=V_ASN1_OCTET_STRING;
229 a.tlsext_ecpointformatlist.data=(unsigned char *)in->tlsext_ecpointformatlist;
231 #endif /* OPENSSL_NO_EC */
232 #endif /* OPENSSL_NO_TLSEXT */
233 #ifndef OPENSSL_NO_PSK
234 if (in->psk_identity_hint)
236 a.psk_identity_hint.length=strlen(in->psk_identity_hint);
237 a.psk_identity_hint.type=V_ASN1_OCTET_STRING;
238 a.psk_identity_hint.data=(unsigned char *)(in->psk_identity_hint);
240 if (in->psk_identity)
242 a.psk_identity.length=strlen(in->psk_identity);
243 a.psk_identity.type=V_ASN1_OCTET_STRING;
244 a.psk_identity.data=(unsigned char *)(in->psk_identity);
246 #endif /* OPENSSL_NO_PSK */
248 M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
249 M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
250 M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);
251 M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);
252 M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);
253 #ifndef OPENSSL_NO_KRB5
254 if (in->krb5_client_princ_len)
255 M_ASN1_I2D_len(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
256 #endif /* OPENSSL_NO_KRB5 */
257 if (in->key_arg_length > 0)
258 M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
260 M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
261 if (in->timeout != 0L)
262 M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
263 if (in->peer != NULL)
264 M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
265 M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4);
266 if (in->verify_result != X509_V_OK)
267 M_ASN1_I2D_len_EXP_opt(&(a.verify_result),i2d_ASN1_INTEGER,5,v5);
269 #ifndef OPENSSL_NO_TLSEXT
270 if (in->tlsext_hostname)
271 M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
272 #ifndef OPENSSL_NO_EC
273 if (in->tlsext_ecpointformatlist)
274 M_ASN1_I2D_len_EXP_opt(&(a.tlsext_ecpointformatlist), i2d_ASN1_OCTET_STRING,7,v7);
275 #endif /* OPENSSL_NO_EC */
276 #endif /* OPENSSL_NO_TLSEXT */
277 #ifndef OPENSSL_NO_PSK
278 if (in->psk_identity_hint)
279 M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,8,v8);
280 if (in->psk_identity)
281 M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,9,v9);
282 #endif /* OPENSSL_NO_PSK */
284 M_ASN1_I2D_seq_total();
286 M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
287 M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);
288 M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);
289 M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);
290 M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);
291 #ifndef OPENSSL_NO_KRB5
292 if (in->krb5_client_princ_len)
293 M_ASN1_I2D_put(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
294 #endif /* OPENSSL_NO_KRB5 */
295 if (in->key_arg_length > 0)
296 M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
298 M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
299 if (in->timeout != 0L)
300 M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
301 if (in->peer != NULL)
302 M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
303 M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,
305 if (in->verify_result != X509_V_OK)
306 M_ASN1_I2D_put_EXP_opt(&a.verify_result,i2d_ASN1_INTEGER,5,v5);
307 #ifndef OPENSSL_NO_TLSEXT
308 if (in->tlsext_hostname)
309 M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
310 #ifndef OPENSSL_NO_EC
311 if (in->tlsext_ecpointformatlist)
312 M_ASN1_I2D_put_EXP_opt(&(a.tlsext_ecpointformatlist), i2d_ASN1_OCTET_STRING,7,v7);
313 #endif /* OPENSSL_NO_EC */
314 #endif /* OPENSSL_NO_TLSEXT */
315 #ifndef OPENSSL_NO_PSK
316 if (in->psk_identity_hint)
317 M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,8,v8);
318 if (in->psk_identity)
319 M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,9,v9);
320 #endif /* OPENSSL_NO_PSK */
324 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
327 int version,ssl_version=0,i;
329 ASN1_INTEGER ai,*aip;
330 ASN1_OCTET_STRING os,*osp;
331 M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
337 M_ASN1_D2I_start_sequence();
339 ai.data=NULL; ai.length=0;
340 M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
341 version=(int)ASN1_INTEGER_get(aip);
342 if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
344 /* we don't care about the version right now :-) */
345 M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
346 ssl_version=(int)ASN1_INTEGER_get(aip);
347 ret->ssl_version=ssl_version;
348 if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
350 os.data=NULL; os.length=0;
351 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
352 if (ssl_version == SSL2_VERSION)
356 c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
360 ((unsigned long)os.data[0]<<16L)|
361 ((unsigned long)os.data[1]<< 8L)|
362 (unsigned long)os.data[2];
364 else if ((ssl_version>>8) == SSL3_VERSION_MAJOR)
368 c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
372 ((unsigned long)os.data[0]<<8L)|
373 (unsigned long)os.data[1];
377 SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNKNOWN_SSL_VERSION);
384 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
385 if ((ssl_version>>8) == SSL3_VERSION_MAJOR)
386 i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
387 else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */
388 i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
392 if (os.length > (int)sizeof(ret->session_id)) /* can't happen */
393 os.length = sizeof(ret->session_id);
395 ret->session_id_length=os.length;
396 OPENSSL_assert(os.length <= (int)sizeof(ret->session_id));
397 memcpy(ret->session_id,os.data,os.length);
399 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
400 if (ret->master_key_length > SSL_MAX_MASTER_KEY_LENGTH)
401 ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
403 ret->master_key_length=os.length;
404 memcpy(ret->master_key,os.data,ret->master_key_length);
408 #ifndef OPENSSL_NO_KRB5
410 M_ASN1_D2I_get_opt(osp,d2i_ASN1_OCTET_STRING,V_ASN1_OCTET_STRING);
413 if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH)
414 ret->krb5_client_princ_len=0;
416 ret->krb5_client_princ_len=os.length;
417 memcpy(ret->krb5_client_princ,os.data,ret->krb5_client_princ_len);
418 OPENSSL_free(os.data);
423 ret->krb5_client_princ_len=0;
424 #endif /* OPENSSL_NO_KRB5 */
426 M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
427 if (os.length > SSL_MAX_KEY_ARG_LENGTH)
428 ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
430 ret->key_arg_length=os.length;
431 memcpy(ret->key_arg,os.data,ret->key_arg_length);
432 if (os.data != NULL) OPENSSL_free(os.data);
435 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
438 ret->time=ASN1_INTEGER_get(aip);
439 OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
442 ret->time=(unsigned long)time(NULL);
445 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
448 ret->timeout=ASN1_INTEGER_get(aip);
449 OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
454 if (ret->peer != NULL)
456 X509_free(ret->peer);
459 M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
463 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4);
467 if (os.length > SSL_MAX_SID_CTX_LENGTH)
469 ret->sid_ctx_length=os.length;
470 SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_BAD_LENGTH);
474 ret->sid_ctx_length=os.length;
475 memcpy(ret->sid_ctx,os.data,os.length);
477 OPENSSL_free(os.data); os.data=NULL; os.length=0;
480 ret->sid_ctx_length=0;
483 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,5);
486 ret->verify_result=ASN1_INTEGER_get(aip);
487 OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
490 ret->verify_result=X509_V_OK;
492 #ifndef OPENSSL_NO_TLSEXT
495 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,6);
498 ret->tlsext_hostname = BUF_strndup((char *)os.data, os.length);
499 OPENSSL_free(os.data);
504 ret->tlsext_hostname=NULL;
506 #ifndef OPENSSL_NO_EC
508 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,7);
511 ret->tlsext_ecpointformatlist_length=os.length;
512 memcpy(ret->tlsext_ecpointformatlist,os.data,ret->tlsext_ecpointformatlist_length);
513 OPENSSL_free(os.data);
518 ret->tlsext_ecpointformatlist_length=0;
519 ret->tlsext_ecpointformatlist=NULL;
520 #endif /* OPENSSL_NO_EC */
521 #endif /* OPENSSL_NO_TLSEXT */
523 #ifndef OPENSSL_NO_PSK
526 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,8);
529 ret->psk_identity_hint = BUF_strndup((char *)os.data, os.length);
530 OPENSSL_free(os.data);
535 ret->psk_identity_hint=NULL;
539 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,9);
542 ret->psk_identity = BUF_strndup((char *)os.data, os.length);
543 OPENSSL_free(os.data);
548 ret->psk_identity=NULL;
549 #endif /* OPENSSL_NO_KRB5 */
551 M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);