ssl_asn1.c 23 KB

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  1. /* ssl/ssl_asn1.c */
  2. /* Copyright (C) 1995-1998 Eric Young ([email protected])
  3. * All rights reserved.
  4. *
  5. * This package is an SSL implementation written
  6. * by Eric Young ([email protected]).
  7. * The implementation was written so as to conform with Netscapes SSL.
  8. *
  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 ([email protected]).
  15. *
  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.
  22. *
  23. * Redistribution and use in source and binary forms, with or without
  24. * modification, are permitted provided that the following conditions
  25. * are met:
  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 ([email protected])"
  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 ([email protected])"
  40. *
  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
  51. * SUCH DAMAGE.
  52. *
  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.]
  57. */
  58. /* ====================================================================
  59. * Copyright 2005 Nokia. All rights reserved.
  60. *
  61. * The portions of the attached software ("Contribution") is developed by
  62. * Nokia Corporation and is licensed pursuant to the OpenSSL open source
  63. * license.
  64. *
  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.
  68. *
  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.
  72. *
  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.
  77. *
  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
  82. * OTHERWISE.
  83. */
  84. #include <stdio.h>
  85. #include <stdlib.h>
  86. #include "ssl_locl.h"
  87. #include <openssl/asn1_mac.h>
  88. #include <openssl/objects.h>
  89. #include <openssl/x509.h>
  90. typedef struct ssl_session_asn1_st {
  91. ASN1_INTEGER version;
  92. ASN1_INTEGER ssl_version;
  93. ASN1_OCTET_STRING cipher;
  94. ASN1_OCTET_STRING comp_id;
  95. ASN1_OCTET_STRING master_key;
  96. ASN1_OCTET_STRING session_id;
  97. ASN1_OCTET_STRING session_id_context;
  98. ASN1_OCTET_STRING key_arg;
  99. #ifndef OPENSSL_NO_KRB5
  100. ASN1_OCTET_STRING krb5_princ;
  101. #endif /* OPENSSL_NO_KRB5 */
  102. ASN1_INTEGER time;
  103. ASN1_INTEGER timeout;
  104. ASN1_INTEGER verify_result;
  105. #ifndef OPENSSL_NO_TLSEXT
  106. ASN1_OCTET_STRING tlsext_hostname;
  107. ASN1_INTEGER tlsext_tick_lifetime;
  108. ASN1_OCTET_STRING tlsext_tick;
  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 */
  114. #ifndef OPENSSL_NO_SRP
  115. ASN1_OCTET_STRING srp_username;
  116. #endif /* OPENSSL_NO_SRP */
  117. } SSL_SESSION_ASN1;
  118. int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
  119. {
  120. #define LSIZE2 (sizeof(long)*2)
  121. int v1 = 0, v2 = 0, v3 = 0, v4 = 0, v5 = 0, v7 = 0, v8 = 0;
  122. unsigned char buf[4], ibuf1[LSIZE2], ibuf2[LSIZE2];
  123. unsigned char ibuf3[LSIZE2], ibuf4[LSIZE2], ibuf5[LSIZE2];
  124. #ifndef OPENSSL_NO_TLSEXT
  125. int v6 = 0, v9 = 0, v10 = 0;
  126. unsigned char ibuf6[LSIZE2];
  127. #endif
  128. #ifndef OPENSSL_NO_COMP
  129. unsigned char cbuf;
  130. int v11 = 0;
  131. #endif
  132. #ifndef OPENSSL_NO_SRP
  133. int v12 = 0;
  134. #endif
  135. long l;
  136. SSL_SESSION_ASN1 a;
  137. M_ASN1_I2D_vars(in);
  138. if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
  139. return (0);
  140. /*
  141. * Note that I cheat in the following 2 assignments. I know that if the
  142. * ASN1_INTEGER passed to ASN1_INTEGER_set is > sizeof(long)+1, the
  143. * buffer will not be re-OPENSSL_malloc()ed. This is a bit evil but makes
  144. * things simple, no dynamic allocation to clean up :-)
  145. */
  146. a.version.length = LSIZE2;
  147. a.version.type = V_ASN1_INTEGER;
  148. a.version.data = ibuf1;
  149. ASN1_INTEGER_set(&(a.version), SSL_SESSION_ASN1_VERSION);
  150. a.ssl_version.length = LSIZE2;
  151. a.ssl_version.type = V_ASN1_INTEGER;
  152. a.ssl_version.data = ibuf2;
  153. ASN1_INTEGER_set(&(a.ssl_version), in->ssl_version);
  154. a.cipher.type = V_ASN1_OCTET_STRING;
  155. a.cipher.data = buf;
  156. if (in->cipher == NULL)
  157. l = in->cipher_id;
  158. else
  159. l = in->cipher->id;
  160. if (in->ssl_version == SSL2_VERSION) {
  161. a.cipher.length = 3;
  162. buf[0] = ((unsigned char)(l >> 16L)) & 0xff;
  163. buf[1] = ((unsigned char)(l >> 8L)) & 0xff;
  164. buf[2] = ((unsigned char)(l)) & 0xff;
  165. } else {
  166. a.cipher.length = 2;
  167. buf[0] = ((unsigned char)(l >> 8L)) & 0xff;
  168. buf[1] = ((unsigned char)(l)) & 0xff;
  169. }
  170. #ifndef OPENSSL_NO_COMP
  171. if (in->compress_meth) {
  172. cbuf = (unsigned char)in->compress_meth;
  173. a.comp_id.length = 1;
  174. a.comp_id.type = V_ASN1_OCTET_STRING;
  175. a.comp_id.data = &cbuf;
  176. }
  177. #endif
  178. a.master_key.length = in->master_key_length;
  179. a.master_key.type = V_ASN1_OCTET_STRING;
  180. a.master_key.data = in->master_key;
  181. a.session_id.length = in->session_id_length;
  182. a.session_id.type = V_ASN1_OCTET_STRING;
  183. a.session_id.data = in->session_id;
  184. a.session_id_context.length = in->sid_ctx_length;
  185. a.session_id_context.type = V_ASN1_OCTET_STRING;
  186. a.session_id_context.data = in->sid_ctx;
  187. a.key_arg.length = in->key_arg_length;
  188. a.key_arg.type = V_ASN1_OCTET_STRING;
  189. a.key_arg.data = in->key_arg;
  190. #ifndef OPENSSL_NO_KRB5
  191. if (in->krb5_client_princ_len) {
  192. a.krb5_princ.length = in->krb5_client_princ_len;
  193. a.krb5_princ.type = V_ASN1_OCTET_STRING;
  194. a.krb5_princ.data = in->krb5_client_princ;
  195. }
  196. #endif /* OPENSSL_NO_KRB5 */
  197. if (in->time != 0L) {
  198. a.time.length = LSIZE2;
  199. a.time.type = V_ASN1_INTEGER;
  200. a.time.data = ibuf3;
  201. ASN1_INTEGER_set(&(a.time), in->time);
  202. }
  203. if (in->timeout != 0L) {
  204. a.timeout.length = LSIZE2;
  205. a.timeout.type = V_ASN1_INTEGER;
  206. a.timeout.data = ibuf4;
  207. ASN1_INTEGER_set(&(a.timeout), in->timeout);
  208. }
  209. if (in->verify_result != X509_V_OK) {
  210. a.verify_result.length = LSIZE2;
  211. a.verify_result.type = V_ASN1_INTEGER;
  212. a.verify_result.data = ibuf5;
  213. ASN1_INTEGER_set(&a.verify_result, in->verify_result);
  214. }
  215. #ifndef OPENSSL_NO_TLSEXT
  216. 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;
  220. }
  221. if (in->tlsext_tick) {
  222. a.tlsext_tick.length = in->tlsext_ticklen;
  223. a.tlsext_tick.type = V_ASN1_OCTET_STRING;
  224. a.tlsext_tick.data = (unsigned char *)in->tlsext_tick;
  225. }
  226. if (in->tlsext_tick_lifetime_hint > 0) {
  227. a.tlsext_tick_lifetime.length = LSIZE2;
  228. a.tlsext_tick_lifetime.type = V_ASN1_INTEGER;
  229. a.tlsext_tick_lifetime.data = ibuf6;
  230. ASN1_INTEGER_set(&a.tlsext_tick_lifetime,
  231. in->tlsext_tick_lifetime_hint);
  232. }
  233. #endif /* OPENSSL_NO_TLSEXT */
  234. #ifndef OPENSSL_NO_PSK
  235. 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);
  239. }
  240. if (in->psk_identity) {
  241. a.psk_identity.length = strlen(in->psk_identity);
  242. a.psk_identity.type = V_ASN1_OCTET_STRING;
  243. a.psk_identity.data = (unsigned char *)(in->psk_identity);
  244. }
  245. #endif /* OPENSSL_NO_PSK */
  246. #ifndef OPENSSL_NO_SRP
  247. if (in->srp_username) {
  248. a.srp_username.length = strlen(in->srp_username);
  249. a.srp_username.type = V_ASN1_OCTET_STRING;
  250. a.srp_username.data = (unsigned char *)(in->srp_username);
  251. }
  252. #endif /* OPENSSL_NO_SRP */
  253. M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
  254. M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
  255. M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);
  256. M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);
  257. M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);
  258. #ifndef OPENSSL_NO_KRB5
  259. if (in->krb5_client_princ_len)
  260. M_ASN1_I2D_len(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
  261. #endif /* OPENSSL_NO_KRB5 */
  262. if (in->key_arg_length > 0)
  263. M_ASN1_I2D_len_IMP_opt(&(a.key_arg), i2d_ASN1_OCTET_STRING);
  264. if (in->time != 0L)
  265. M_ASN1_I2D_len_EXP_opt(&(a.time), i2d_ASN1_INTEGER, 1, v1);
  266. if (in->timeout != 0L)
  267. M_ASN1_I2D_len_EXP_opt(&(a.timeout), i2d_ASN1_INTEGER, 2, v2);
  268. if (in->peer != NULL)
  269. M_ASN1_I2D_len_EXP_opt(in->peer, i2d_X509, 3, v3);
  270. M_ASN1_I2D_len_EXP_opt(&a.session_id_context, i2d_ASN1_OCTET_STRING, 4,
  271. v4);
  272. if (in->verify_result != X509_V_OK)
  273. M_ASN1_I2D_len_EXP_opt(&(a.verify_result), i2d_ASN1_INTEGER, 5, v5);
  274. #ifndef OPENSSL_NO_TLSEXT
  275. if (in->tlsext_tick_lifetime_hint > 0)
  276. M_ASN1_I2D_len_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER, 9,
  277. v9);
  278. if (in->tlsext_tick)
  279. M_ASN1_I2D_len_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING, 10,
  280. v10);
  281. if (in->tlsext_hostname)
  282. M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING, 6,
  283. v6);
  284. # ifndef OPENSSL_NO_COMP
  285. if (in->compress_meth)
  286. M_ASN1_I2D_len_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING, 11, v11);
  287. # endif
  288. #endif /* OPENSSL_NO_TLSEXT */
  289. #ifndef OPENSSL_NO_PSK
  290. if (in->psk_identity_hint)
  291. M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,
  292. 7, v7);
  293. if (in->psk_identity)
  294. M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING, 8,
  295. v8);
  296. #endif /* OPENSSL_NO_PSK */
  297. #ifndef OPENSSL_NO_SRP
  298. if (in->srp_username)
  299. M_ASN1_I2D_len_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING, 12,
  300. v12);
  301. #endif /* OPENSSL_NO_SRP */
  302. M_ASN1_I2D_seq_total();
  303. M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
  304. M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);
  305. M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);
  306. M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);
  307. M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);
  308. #ifndef OPENSSL_NO_KRB5
  309. if (in->krb5_client_princ_len)
  310. M_ASN1_I2D_put(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
  311. #endif /* OPENSSL_NO_KRB5 */
  312. if (in->key_arg_length > 0)
  313. M_ASN1_I2D_put_IMP_opt(&(a.key_arg), i2d_ASN1_OCTET_STRING, 0);
  314. if (in->time != 0L)
  315. M_ASN1_I2D_put_EXP_opt(&(a.time), i2d_ASN1_INTEGER, 1, v1);
  316. if (in->timeout != 0L)
  317. M_ASN1_I2D_put_EXP_opt(&(a.timeout), i2d_ASN1_INTEGER, 2, v2);
  318. if (in->peer != NULL)
  319. M_ASN1_I2D_put_EXP_opt(in->peer, i2d_X509, 3, v3);
  320. M_ASN1_I2D_put_EXP_opt(&a.session_id_context, i2d_ASN1_OCTET_STRING, 4,
  321. v4);
  322. if (in->verify_result != X509_V_OK)
  323. M_ASN1_I2D_put_EXP_opt(&a.verify_result, i2d_ASN1_INTEGER, 5, v5);
  324. #ifndef OPENSSL_NO_TLSEXT
  325. if (in->tlsext_hostname)
  326. M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING, 6,
  327. v6);
  328. #endif /* OPENSSL_NO_TLSEXT */
  329. #ifndef OPENSSL_NO_PSK
  330. if (in->psk_identity_hint)
  331. M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,
  332. 7, v7);
  333. if (in->psk_identity)
  334. M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING, 8,
  335. v8);
  336. #endif /* OPENSSL_NO_PSK */
  337. #ifndef OPENSSL_NO_TLSEXT
  338. if (in->tlsext_tick_lifetime_hint > 0)
  339. M_ASN1_I2D_put_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER, 9,
  340. v9);
  341. if (in->tlsext_tick)
  342. M_ASN1_I2D_put_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING, 10,
  343. v10);
  344. #endif /* OPENSSL_NO_TLSEXT */
  345. #ifndef OPENSSL_NO_COMP
  346. if (in->compress_meth)
  347. M_ASN1_I2D_put_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING, 11, v11);
  348. #endif
  349. #ifndef OPENSSL_NO_SRP
  350. if (in->srp_username)
  351. M_ASN1_I2D_put_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING, 12,
  352. v12);
  353. #endif /* OPENSSL_NO_SRP */
  354. M_ASN1_I2D_finish();
  355. }
  356. SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
  357. long length)
  358. {
  359. int ssl_version = 0, i;
  360. long id;
  361. ASN1_INTEGER ai, *aip;
  362. ASN1_OCTET_STRING os, *osp;
  363. M_ASN1_D2I_vars(a, SSL_SESSION *, SSL_SESSION_new);
  364. aip = &ai;
  365. osp = &os;
  366. M_ASN1_D2I_Init();
  367. M_ASN1_D2I_start_sequence();
  368. ai.data = NULL;
  369. ai.length = 0;
  370. M_ASN1_D2I_get_x(ASN1_INTEGER, aip, d2i_ASN1_INTEGER);
  371. if (ai.data != NULL) {
  372. OPENSSL_free(ai.data);
  373. ai.data = NULL;
  374. ai.length = 0;
  375. }
  376. /* we don't care about the version right now :-) */
  377. M_ASN1_D2I_get_x(ASN1_INTEGER, aip, d2i_ASN1_INTEGER);
  378. ssl_version = (int)ASN1_INTEGER_get(aip);
  379. ret->ssl_version = ssl_version;
  380. if (ai.data != NULL) {
  381. OPENSSL_free(ai.data);
  382. ai.data = NULL;
  383. ai.length = 0;
  384. }
  385. os.data = NULL;
  386. os.length = 0;
  387. M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING);
  388. if (ssl_version == SSL2_VERSION) {
  389. if (os.length != 3) {
  390. c.error = SSL_R_CIPHER_CODE_WRONG_LENGTH;
  391. c.line = __LINE__;
  392. goto err;
  393. }
  394. id = 0x02000000L |
  395. ((unsigned long)os.data[0] << 16L) |
  396. ((unsigned long)os.data[1] << 8L) | (unsigned long)os.data[2];
  397. } else if ((ssl_version >> 8) == SSL3_VERSION_MAJOR
  398. || (ssl_version >> 8) == DTLS1_VERSION_MAJOR
  399. || ssl_version == DTLS1_BAD_VER) {
  400. if (os.length != 2) {
  401. c.error = SSL_R_CIPHER_CODE_WRONG_LENGTH;
  402. c.line = __LINE__;
  403. goto err;
  404. }
  405. id = 0x03000000L |
  406. ((unsigned long)os.data[0] << 8L) | (unsigned long)os.data[1];
  407. } else {
  408. c.error = SSL_R_UNKNOWN_SSL_VERSION;
  409. c.line = __LINE__;
  410. goto err;
  411. }
  412. ret->cipher = NULL;
  413. ret->cipher_id = id;
  414. M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING);
  415. if ((ssl_version >> 8) >= SSL3_VERSION_MAJOR)
  416. i = SSL3_MAX_SSL_SESSION_ID_LENGTH;
  417. else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */
  418. i = SSL2_MAX_SSL_SESSION_ID_LENGTH;
  419. if (os.length > i)
  420. os.length = i;
  421. if (os.length > (int)sizeof(ret->session_id)) /* can't happen */
  422. os.length = sizeof(ret->session_id);
  423. ret->session_id_length = os.length;
  424. OPENSSL_assert(os.length <= (int)sizeof(ret->session_id));
  425. memcpy(ret->session_id, os.data, os.length);
  426. M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING);
  427. if (os.length > SSL_MAX_MASTER_KEY_LENGTH)
  428. ret->master_key_length = SSL_MAX_MASTER_KEY_LENGTH;
  429. else
  430. ret->master_key_length = os.length;
  431. memcpy(ret->master_key, os.data, ret->master_key_length);
  432. os.length = 0;
  433. #ifndef OPENSSL_NO_KRB5
  434. os.length = 0;
  435. M_ASN1_D2I_get_opt(osp, d2i_ASN1_OCTET_STRING, V_ASN1_OCTET_STRING);
  436. if (os.data) {
  437. if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH)
  438. ret->krb5_client_princ_len = 0;
  439. else
  440. ret->krb5_client_princ_len = os.length;
  441. memcpy(ret->krb5_client_princ, os.data, ret->krb5_client_princ_len);
  442. OPENSSL_free(os.data);
  443. os.data = NULL;
  444. os.length = 0;
  445. } else
  446. ret->krb5_client_princ_len = 0;
  447. #endif /* OPENSSL_NO_KRB5 */
  448. M_ASN1_D2I_get_IMP_opt(osp, d2i_ASN1_OCTET_STRING, 0,
  449. V_ASN1_OCTET_STRING);
  450. if (os.length > SSL_MAX_KEY_ARG_LENGTH)
  451. ret->key_arg_length = SSL_MAX_KEY_ARG_LENGTH;
  452. else
  453. ret->key_arg_length = os.length;
  454. memcpy(ret->key_arg, os.data, ret->key_arg_length);
  455. if (os.data != NULL)
  456. OPENSSL_free(os.data);
  457. ai.length = 0;
  458. M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 1);
  459. if (ai.data != NULL) {
  460. ret->time = ASN1_INTEGER_get(aip);
  461. OPENSSL_free(ai.data);
  462. ai.data = NULL;
  463. ai.length = 0;
  464. } else
  465. ret->time = (unsigned long)time(NULL);
  466. ai.length = 0;
  467. M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 2);
  468. if (ai.data != NULL) {
  469. ret->timeout = ASN1_INTEGER_get(aip);
  470. OPENSSL_free(ai.data);
  471. ai.data = NULL;
  472. ai.length = 0;
  473. } else
  474. ret->timeout = 3;
  475. if (ret->peer != NULL) {
  476. X509_free(ret->peer);
  477. ret->peer = NULL;
  478. }
  479. M_ASN1_D2I_get_EXP_opt(ret->peer, d2i_X509, 3);
  480. os.length = 0;
  481. os.data = NULL;
  482. M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 4);
  483. if (os.data != NULL) {
  484. if (os.length > SSL_MAX_SID_CTX_LENGTH) {
  485. c.error = SSL_R_BAD_LENGTH;
  486. c.line = __LINE__;
  487. goto err;
  488. } else {
  489. ret->sid_ctx_length = os.length;
  490. memcpy(ret->sid_ctx, os.data, os.length);
  491. }
  492. OPENSSL_free(os.data);
  493. os.data = NULL;
  494. os.length = 0;
  495. } else
  496. ret->sid_ctx_length = 0;
  497. ai.length = 0;
  498. M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 5);
  499. if (ai.data != NULL) {
  500. ret->verify_result = ASN1_INTEGER_get(aip);
  501. OPENSSL_free(ai.data);
  502. ai.data = NULL;
  503. ai.length = 0;
  504. } else
  505. ret->verify_result = X509_V_OK;
  506. #ifndef OPENSSL_NO_TLSEXT
  507. os.length = 0;
  508. os.data = NULL;
  509. M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 6);
  510. if (os.data) {
  511. ret->tlsext_hostname = BUF_strndup((char *)os.data, os.length);
  512. OPENSSL_free(os.data);
  513. os.data = NULL;
  514. os.length = 0;
  515. } else
  516. ret->tlsext_hostname = NULL;
  517. #endif /* OPENSSL_NO_TLSEXT */
  518. #ifndef OPENSSL_NO_PSK
  519. os.length = 0;
  520. os.data = NULL;
  521. M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 7);
  522. if (os.data) {
  523. ret->psk_identity_hint = BUF_strndup((char *)os.data, os.length);
  524. OPENSSL_free(os.data);
  525. os.data = NULL;
  526. os.length = 0;
  527. } else
  528. ret->psk_identity_hint = NULL;
  529. os.length = 0;
  530. os.data = NULL;
  531. M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 8);
  532. if (os.data) {
  533. ret->psk_identity = BUF_strndup((char *)os.data, os.length);
  534. OPENSSL_free(os.data);
  535. os.data = NULL;
  536. os.length = 0;
  537. } else
  538. ret->psk_identity = NULL;
  539. #endif /* OPENSSL_NO_PSK */
  540. #ifndef OPENSSL_NO_TLSEXT
  541. ai.length = 0;
  542. M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 9);
  543. if (ai.data != NULL) {
  544. ret->tlsext_tick_lifetime_hint = ASN1_INTEGER_get(aip);
  545. OPENSSL_free(ai.data);
  546. ai.data = NULL;
  547. ai.length = 0;
  548. } else if (ret->tlsext_ticklen && ret->session_id_length)
  549. ret->tlsext_tick_lifetime_hint = -1;
  550. else
  551. ret->tlsext_tick_lifetime_hint = 0;
  552. os.length = 0;
  553. os.data = NULL;
  554. M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 10);
  555. if (os.data) {
  556. ret->tlsext_tick = os.data;
  557. ret->tlsext_ticklen = os.length;
  558. os.data = NULL;
  559. os.length = 0;
  560. } else
  561. ret->tlsext_tick = NULL;
  562. #endif /* OPENSSL_NO_TLSEXT */
  563. #ifndef OPENSSL_NO_COMP
  564. os.length = 0;
  565. os.data = NULL;
  566. M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 11);
  567. if (os.data) {
  568. ret->compress_meth = os.data[0];
  569. OPENSSL_free(os.data);
  570. os.data = NULL;
  571. }
  572. #endif
  573. #ifndef OPENSSL_NO_SRP
  574. os.length = 0;
  575. os.data = NULL;
  576. M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 12);
  577. if (os.data) {
  578. ret->srp_username = BUF_strndup((char *)os.data, os.length);
  579. OPENSSL_free(os.data);
  580. os.data = NULL;
  581. os.length = 0;
  582. } else
  583. ret->srp_username = NULL;
  584. #endif /* OPENSSL_NO_SRP */
  585. M_ASN1_D2I_Finish(a, SSL_SESSION_free, SSL_F_D2I_SSL_SESSION);
  586. }