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 #endif /* OPENSSL_NO_TLSEXT */
110 #ifndef OPENSSL_NO_PSK
111 ASN1_OCTET_STRING psk_identity_hint;
112 ASN1_OCTET_STRING psk_identity;
113 #endif /* OPENSSL_NO_PSK */
116 int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
118 #define LSIZE2 (sizeof(long)*2)
119 int v1=0,v2=0,v3=0,v4=0,v5=0,v6=0,v7=0,v8=0;
120 unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
121 unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
126 if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
129 /* Note that I cheat in the following 2 assignments. I know
130 * that if the ASN1_INTEGER passed to ASN1_INTEGER_set
131 * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
132 * This is a bit evil but makes things simple, no dynamic allocation
134 a.version.length=LSIZE2;
135 a.version.type=V_ASN1_INTEGER;
136 a.version.data=ibuf1;
137 ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
139 a.ssl_version.length=LSIZE2;
140 a.ssl_version.type=V_ASN1_INTEGER;
141 a.ssl_version.data=ibuf2;
142 ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
144 a.cipher.type=V_ASN1_OCTET_STRING;
147 if (in->cipher == NULL)
151 if (in->ssl_version == SSL2_VERSION)
154 buf[0]=((unsigned char)(l>>16L))&0xff;
155 buf[1]=((unsigned char)(l>> 8L))&0xff;
156 buf[2]=((unsigned char)(l ))&0xff;
161 buf[0]=((unsigned char)(l>>8L))&0xff;
162 buf[1]=((unsigned char)(l ))&0xff;
165 a.master_key.length=in->master_key_length;
166 a.master_key.type=V_ASN1_OCTET_STRING;
167 a.master_key.data=in->master_key;
169 a.session_id.length=in->session_id_length;
170 a.session_id.type=V_ASN1_OCTET_STRING;
171 a.session_id.data=in->session_id;
173 a.session_id_context.length=in->sid_ctx_length;
174 a.session_id_context.type=V_ASN1_OCTET_STRING;
175 a.session_id_context.data=in->sid_ctx;
177 a.key_arg.length=in->key_arg_length;
178 a.key_arg.type=V_ASN1_OCTET_STRING;
179 a.key_arg.data=in->key_arg;
181 #ifndef OPENSSL_NO_KRB5
182 if (in->krb5_client_princ_len)
184 a.krb5_princ.length=in->krb5_client_princ_len;
185 a.krb5_princ.type=V_ASN1_OCTET_STRING;
186 a.krb5_princ.data=in->krb5_client_princ;
188 #endif /* OPENSSL_NO_KRB5 */
192 a.time.length=LSIZE2;
193 a.time.type=V_ASN1_INTEGER;
195 ASN1_INTEGER_set(&(a.time),in->time);
198 if (in->timeout != 0L)
200 a.timeout.length=LSIZE2;
201 a.timeout.type=V_ASN1_INTEGER;
202 a.timeout.data=ibuf4;
203 ASN1_INTEGER_set(&(a.timeout),in->timeout);
206 if (in->verify_result != X509_V_OK)
208 a.verify_result.length=LSIZE2;
209 a.verify_result.type=V_ASN1_INTEGER;
210 a.verify_result.data=ibuf5;
211 ASN1_INTEGER_set(&a.verify_result,in->verify_result);
214 #ifndef OPENSSL_NO_TLSEXT
215 if (in->tlsext_hostname)
217 a.tlsext_hostname.length=strlen(in->tlsext_hostname);
218 a.tlsext_hostname.type=V_ASN1_OCTET_STRING;
219 a.tlsext_hostname.data=(unsigned char *)in->tlsext_hostname;
221 #endif /* OPENSSL_NO_TLSEXT */
222 #ifndef OPENSSL_NO_PSK
223 if (in->psk_identity_hint)
225 a.psk_identity_hint.length=strlen(in->psk_identity_hint);
226 a.psk_identity_hint.type=V_ASN1_OCTET_STRING;
227 a.psk_identity_hint.data=(unsigned char *)(in->psk_identity_hint);
229 if (in->psk_identity)
231 a.psk_identity.length=strlen(in->psk_identity);
232 a.psk_identity.type=V_ASN1_OCTET_STRING;
233 a.psk_identity.data=(unsigned char *)(in->psk_identity);
235 #endif /* OPENSSL_NO_PSK */
237 M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
238 M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
239 M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);
240 M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);
241 M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);
242 #ifndef OPENSSL_NO_KRB5
243 if (in->krb5_client_princ_len)
244 M_ASN1_I2D_len(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
245 #endif /* OPENSSL_NO_KRB5 */
246 if (in->key_arg_length > 0)
247 M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
249 M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
250 if (in->timeout != 0L)
251 M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
252 if (in->peer != NULL)
253 M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
254 M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4);
255 if (in->verify_result != X509_V_OK)
256 M_ASN1_I2D_len_EXP_opt(&(a.verify_result),i2d_ASN1_INTEGER,5,v5);
258 #ifndef OPENSSL_NO_TLSEXT
259 if (in->tlsext_hostname)
260 M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
261 #endif /* OPENSSL_NO_TLSEXT */
262 #ifndef OPENSSL_NO_PSK
263 if (in->psk_identity_hint)
264 M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,7,v7);
265 if (in->psk_identity)
266 M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,8,v8);
267 #endif /* OPENSSL_NO_PSK */
269 M_ASN1_I2D_seq_total();
271 M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
272 M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);
273 M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);
274 M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);
275 M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);
276 #ifndef OPENSSL_NO_KRB5
277 if (in->krb5_client_princ_len)
278 M_ASN1_I2D_put(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
279 #endif /* OPENSSL_NO_KRB5 */
280 if (in->key_arg_length > 0)
281 M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
283 M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
284 if (in->timeout != 0L)
285 M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
286 if (in->peer != NULL)
287 M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
288 M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,
290 if (in->verify_result != X509_V_OK)
291 M_ASN1_I2D_put_EXP_opt(&a.verify_result,i2d_ASN1_INTEGER,5,v5);
292 #ifndef OPENSSL_NO_TLSEXT
293 if (in->tlsext_hostname)
294 M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
295 #endif /* OPENSSL_NO_TLSEXT */
296 #ifndef OPENSSL_NO_PSK
297 if (in->psk_identity_hint)
298 M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,7,v7);
299 if (in->psk_identity)
300 M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,8,v8);
301 #endif /* OPENSSL_NO_PSK */
305 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
308 int version,ssl_version=0,i;
310 ASN1_INTEGER ai,*aip;
311 ASN1_OCTET_STRING os,*osp;
312 M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
318 M_ASN1_D2I_start_sequence();
320 ai.data=NULL; ai.length=0;
321 M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
322 version=(int)ASN1_INTEGER_get(aip);
323 if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
325 /* we don't care about the version right now :-) */
326 M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
327 ssl_version=(int)ASN1_INTEGER_get(aip);
328 ret->ssl_version=ssl_version;
329 if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
331 os.data=NULL; os.length=0;
332 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
333 if (ssl_version == SSL2_VERSION)
337 c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
341 ((unsigned long)os.data[0]<<16L)|
342 ((unsigned long)os.data[1]<< 8L)|
343 (unsigned long)os.data[2];
345 else if ((ssl_version>>8) == SSL3_VERSION_MAJOR)
349 c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
353 ((unsigned long)os.data[0]<<8L)|
354 (unsigned long)os.data[1];
358 SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNKNOWN_SSL_VERSION);
365 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
366 if ((ssl_version>>8) == SSL3_VERSION_MAJOR)
367 i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
368 else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */
369 i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
373 if (os.length > (int)sizeof(ret->session_id)) /* can't happen */
374 os.length = sizeof(ret->session_id);
376 ret->session_id_length=os.length;
377 OPENSSL_assert(os.length <= (int)sizeof(ret->session_id));
378 memcpy(ret->session_id,os.data,os.length);
380 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
381 if (ret->master_key_length > SSL_MAX_MASTER_KEY_LENGTH)
382 ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
384 ret->master_key_length=os.length;
385 memcpy(ret->master_key,os.data,ret->master_key_length);
389 #ifndef OPENSSL_NO_KRB5
391 M_ASN1_D2I_get_opt(osp,d2i_ASN1_OCTET_STRING,V_ASN1_OCTET_STRING);
394 if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH)
395 ret->krb5_client_princ_len=0;
397 ret->krb5_client_princ_len=os.length;
398 memcpy(ret->krb5_client_princ,os.data,ret->krb5_client_princ_len);
399 OPENSSL_free(os.data);
404 ret->krb5_client_princ_len=0;
405 #endif /* OPENSSL_NO_KRB5 */
407 M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
408 if (os.length > SSL_MAX_KEY_ARG_LENGTH)
409 ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
411 ret->key_arg_length=os.length;
412 memcpy(ret->key_arg,os.data,ret->key_arg_length);
413 if (os.data != NULL) OPENSSL_free(os.data);
416 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
419 ret->time=ASN1_INTEGER_get(aip);
420 OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
423 ret->time=(unsigned long)time(NULL);
426 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
429 ret->timeout=ASN1_INTEGER_get(aip);
430 OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
435 if (ret->peer != NULL)
437 X509_free(ret->peer);
440 M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
444 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4);
448 if (os.length > SSL_MAX_SID_CTX_LENGTH)
450 ret->sid_ctx_length=os.length;
451 SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_BAD_LENGTH);
455 ret->sid_ctx_length=os.length;
456 memcpy(ret->sid_ctx,os.data,os.length);
458 OPENSSL_free(os.data); os.data=NULL; os.length=0;
461 ret->sid_ctx_length=0;
464 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,5);
467 ret->verify_result=ASN1_INTEGER_get(aip);
468 OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
471 ret->verify_result=X509_V_OK;
473 #ifndef OPENSSL_NO_TLSEXT
476 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,6);
479 ret->tlsext_hostname = BUF_strndup((char *)os.data, os.length);
480 OPENSSL_free(os.data);
485 ret->tlsext_hostname=NULL;
486 #endif /* OPENSSL_NO_TLSEXT */
488 #ifndef OPENSSL_NO_PSK
491 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,9);
494 ret->psk_identity_hint = BUF_strndup((char *)os.data, os.length);
495 OPENSSL_free(os.data);
500 ret->psk_identity_hint=NULL;
504 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,10);
507 ret->psk_identity = BUF_strndup((char *)os.data, os.length);
508 OPENSSL_free(os.data);
513 ret->psk_identity=NULL;
514 #endif /* OPENSSL_NO_KRB5 */
516 M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);