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1 | /* ssl/ssl_locl.h */ | |
2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
3 | * All rights reserved. | |
4 | * | |
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. | |
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 (tjh@cryptsoft.com). | |
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 (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)" | |
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 (c) 1998-2007 The OpenSSL Project. All rights reserved. | |
60 | * | |
61 | * Redistribution and use in source and binary forms, with or without | |
62 | * modification, are permitted provided that the following conditions | |
63 | * are met: | |
64 | * | |
65 | * 1. Redistributions of source code must retain the above copyright | |
66 | * notice, this list of conditions and the following disclaimer. | |
67 | * | |
68 | * 2. Redistributions in binary form must reproduce the above copyright | |
69 | * notice, this list of conditions and the following disclaimer in | |
70 | * the documentation and/or other materials provided with the | |
71 | * distribution. | |
72 | * | |
73 | * 3. All advertising materials mentioning features or use of this | |
74 | * software must display the following acknowledgment: | |
75 | * "This product includes software developed by the OpenSSL Project | |
76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
77 | * | |
78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
79 | * endorse or promote products derived from this software without | |
80 | * prior written permission. For written permission, please contact | |
81 | * openssl-core@openssl.org. | |
82 | * | |
83 | * 5. Products derived from this software may not be called "OpenSSL" | |
84 | * nor may "OpenSSL" appear in their names without prior written | |
85 | * permission of the OpenSSL Project. | |
86 | * | |
87 | * 6. Redistributions of any form whatsoever must retain the following | |
88 | * acknowledgment: | |
89 | * "This product includes software developed by the OpenSSL Project | |
90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
91 | * | |
92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
104 | * ==================================================================== | |
105 | * | |
106 | * This product includes cryptographic software written by Eric Young | |
107 | * (eay@cryptsoft.com). This product includes software written by Tim | |
108 | * Hudson (tjh@cryptsoft.com). | |
109 | * | |
110 | */ | |
111 | /* ==================================================================== | |
112 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
113 | * ECC cipher suite support in OpenSSL originally developed by | |
114 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. | |
115 | */ | |
116 | /* ==================================================================== | |
117 | * Copyright 2005 Nokia. All rights reserved. | |
118 | * | |
119 | * The portions of the attached software ("Contribution") is developed by | |
120 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
121 | * license. | |
122 | * | |
123 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of | |
124 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites | |
125 | * support (see RFC 4279) to OpenSSL. | |
126 | * | |
127 | * No patent licenses or other rights except those expressly stated in | |
128 | * the OpenSSL open source license shall be deemed granted or received | |
129 | * expressly, by implication, estoppel, or otherwise. | |
130 | * | |
131 | * No assurances are provided by Nokia that the Contribution does not | |
132 | * infringe the patent or other intellectual property rights of any third | |
133 | * party or that the license provides you with all the necessary rights | |
134 | * to make use of the Contribution. | |
135 | * | |
136 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN | |
137 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA | |
138 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY | |
139 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR | |
140 | * OTHERWISE. | |
141 | */ | |
142 | ||
143 | #ifndef HEADER_SSL_LOCL_H | |
144 | # define HEADER_SSL_LOCL_H | |
145 | # include <stdlib.h> | |
146 | # include <time.h> | |
147 | # include <string.h> | |
148 | # include <errno.h> | |
149 | ||
150 | # include "e_os.h" | |
151 | ||
152 | # include <openssl/buffer.h> | |
153 | # ifndef OPENSSL_NO_COMP | |
154 | # include <openssl/comp.h> | |
155 | # endif | |
156 | # include <openssl/bio.h> | |
157 | # include <openssl/stack.h> | |
158 | # ifndef OPENSSL_NO_RSA | |
159 | # include <openssl/rsa.h> | |
160 | # endif | |
161 | # ifndef OPENSSL_NO_DSA | |
162 | # include <openssl/dsa.h> | |
163 | # endif | |
164 | # include <openssl/err.h> | |
165 | # include <openssl/ssl.h> | |
166 | # include <openssl/async.h> | |
167 | # include <openssl/symhacks.h> | |
168 | ||
169 | #include "record/record.h" | |
170 | #include "statem/statem.h" | |
171 | #include "packet_locl.h" | |
172 | ||
173 | # ifdef OPENSSL_BUILD_SHLIBSSL | |
174 | # undef OPENSSL_EXTERN | |
175 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
176 | # endif | |
177 | ||
178 | # undef PKCS1_CHECK | |
179 | ||
180 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ | |
181 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
182 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
183 | l|=(((unsigned long)(*((c)++)))<<24)) | |
184 | ||
185 | /* NOTE - c is not incremented as per c2l */ | |
186 | # define c2ln(c,l1,l2,n) { \ | |
187 | c+=n; \ | |
188 | l1=l2=0; \ | |
189 | switch (n) { \ | |
190 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
191 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
192 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
193 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
194 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
195 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
196 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
197 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
198 | } \ | |
199 | } | |
200 | ||
201 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
202 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
203 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
204 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
205 | ||
206 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
207 | l|=((unsigned long)(*((c)++)))<<16, \ | |
208 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
209 | l|=((unsigned long)(*((c)++)))) | |
210 | ||
211 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
212 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
213 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
214 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
215 | ||
216 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
217 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
218 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
219 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
220 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
221 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
222 | ||
223 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
224 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
225 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
226 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
227 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
228 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
229 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
230 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
231 | ||
232 | # define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ | |
233 | l|=((BN_ULLONG)(*((c)++)))<<32, \ | |
234 | l|=((BN_ULLONG)(*((c)++)))<<24, \ | |
235 | l|=((BN_ULLONG)(*((c)++)))<<16, \ | |
236 | l|=((BN_ULLONG)(*((c)++)))<< 8, \ | |
237 | l|=((BN_ULLONG)(*((c)++)))) | |
238 | ||
239 | /* NOTE - c is not incremented as per l2c */ | |
240 | # define l2cn(l1,l2,c,n) { \ | |
241 | c+=n; \ | |
242 | switch (n) { \ | |
243 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
244 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
245 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
246 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
247 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
248 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
249 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
250 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
251 | } \ | |
252 | } | |
253 | ||
254 | # define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ | |
255 | (((unsigned int)(c[1])) )),c+=2) | |
256 | # define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
257 | c[1]=(unsigned char)(((s) )&0xff)),c+=2) | |
258 | ||
259 | # define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ | |
260 | (((unsigned long)(c[1]))<< 8)| \ | |
261 | (((unsigned long)(c[2])) )),c+=3) | |
262 | ||
263 | # define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ | |
264 | c[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
265 | c[2]=(unsigned char)(((l) )&0xff)),c+=3) | |
266 | ||
267 | /* LOCAL STUFF */ | |
268 | ||
269 | # define SSL_DECRYPT 0 | |
270 | # define SSL_ENCRYPT 1 | |
271 | ||
272 | # define TWO_BYTE_BIT 0x80 | |
273 | # define SEC_ESC_BIT 0x40 | |
274 | # define TWO_BYTE_MASK 0x7fff | |
275 | # define THREE_BYTE_MASK 0x3fff | |
276 | ||
277 | # define INC32(a) ((a)=((a)+1)&0xffffffffL) | |
278 | # define DEC32(a) ((a)=((a)-1)&0xffffffffL) | |
279 | # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ | |
280 | ||
281 | /* | |
282 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
283 | * This bits are used packed as dense as possible. If new methods/ciphers | |
284 | * etc will be added, the bits a likely to change, so this information | |
285 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
286 | * can be publicly accessed. | |
287 | * Use the according functions for cipher management instead. | |
288 | * | |
289 | * The bit mask handling in the selection and sorting scheme in | |
290 | * ssl_create_cipher_list() has only limited capabilities, reflecting | |
291 | * that the different entities within are mutually exclusive: | |
292 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. | |
293 | */ | |
294 | ||
295 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
296 | /* RSA key exchange */ | |
297 | # define SSL_kRSA 0x00000001U | |
298 | /* tmp DH key no DH cert */ | |
299 | # define SSL_kDHE 0x00000002U | |
300 | /* synonym */ | |
301 | # define SSL_kEDH SSL_kDHE | |
302 | /* ECDH cert, RSA CA cert */ | |
303 | # define SSL_kECDHr 0x00000004U | |
304 | /* ECDH cert, ECDSA CA cert */ | |
305 | # define SSL_kECDHe 0x00000008U | |
306 | /* ephemeral ECDH */ | |
307 | # define SSL_kECDHE 0x00000010U | |
308 | /* synonym */ | |
309 | # define SSL_kEECDH SSL_kECDHE | |
310 | /* PSK */ | |
311 | # define SSL_kPSK 0x00000020U | |
312 | /* GOST key exchange */ | |
313 | # define SSL_kGOST 0x00000040U | |
314 | /* SRP */ | |
315 | # define SSL_kSRP 0x00000080U | |
316 | ||
317 | # define SSL_kRSAPSK 0x00000100U | |
318 | # define SSL_kECDHEPSK 0x00000200U | |
319 | # define SSL_kDHEPSK 0x00000400U | |
320 | ||
321 | /* all PSK */ | |
322 | ||
323 | #define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) | |
324 | ||
325 | /* Bits for algorithm_auth (server authentication) */ | |
326 | /* RSA auth */ | |
327 | # define SSL_aRSA 0x00000001U | |
328 | /* DSS auth */ | |
329 | # define SSL_aDSS 0x00000002U | |
330 | /* no auth (i.e. use ADH or AECDH) */ | |
331 | # define SSL_aNULL 0x00000004U | |
332 | /* Fixed ECDH auth (kECDHe or kECDHr) */ | |
333 | # define SSL_aECDH 0x00000008U | |
334 | /* ECDSA auth*/ | |
335 | # define SSL_aECDSA 0x00000010U | |
336 | /* PSK auth */ | |
337 | # define SSL_aPSK 0x00000020U | |
338 | /* GOST R 34.10-2001 signature auth */ | |
339 | # define SSL_aGOST01 0x00000040U | |
340 | /* SRP auth */ | |
341 | # define SSL_aSRP 0x00000080U | |
342 | /* GOST R 34.10-2012 signature auth */ | |
343 | # define SSL_aGOST12 0x00000100U | |
344 | ||
345 | /* Bits for algorithm_enc (symmetric encryption) */ | |
346 | # define SSL_DES 0x00000001U | |
347 | # define SSL_3DES 0x00000002U | |
348 | # define SSL_RC4 0x00000004U | |
349 | # define SSL_RC2 0x00000008U | |
350 | # define SSL_IDEA 0x00000010U | |
351 | # define SSL_eNULL 0x00000020U | |
352 | # define SSL_AES128 0x00000040U | |
353 | # define SSL_AES256 0x00000080U | |
354 | # define SSL_CAMELLIA128 0x00000100U | |
355 | # define SSL_CAMELLIA256 0x00000200U | |
356 | # define SSL_eGOST2814789CNT 0x00000400U | |
357 | # define SSL_SEED 0x00000800U | |
358 | # define SSL_AES128GCM 0x00001000U | |
359 | # define SSL_AES256GCM 0x00002000U | |
360 | # define SSL_AES128CCM 0x00004000U | |
361 | # define SSL_AES256CCM 0x00008000U | |
362 | # define SSL_AES128CCM8 0x00010000U | |
363 | # define SSL_AES256CCM8 0x00020000U | |
364 | # define SSL_eGOST2814789CNT12 0x00040000U | |
365 | # define SSL_CHACHA20POLY1305 0x00080000U | |
366 | ||
367 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM|SSL_AES128CCM|SSL_AES256CCM|SSL_AES128CCM8|SSL_AES256CCM8) | |
368 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) | |
369 | ||
370 | /* Bits for algorithm_mac (symmetric authentication) */ | |
371 | ||
372 | # define SSL_MD5 0x00000001U | |
373 | # define SSL_SHA1 0x00000002U | |
374 | # define SSL_GOST94 0x00000004U | |
375 | # define SSL_GOST89MAC 0x00000008U | |
376 | # define SSL_SHA256 0x00000010U | |
377 | # define SSL_SHA384 0x00000020U | |
378 | /* Not a real MAC, just an indication it is part of cipher */ | |
379 | # define SSL_AEAD 0x00000040U | |
380 | # define SSL_GOST12_256 0x00000080U | |
381 | # define SSL_GOST89MAC12 0x00000100U | |
382 | # define SSL_GOST12_512 0x00000200U | |
383 | ||
384 | /* Bits for algorithm_ssl (protocol version) */ | |
385 | # define SSL_SSLV3 0x00000002U | |
386 | # define SSL_TLSV1 0x00000004U | |
387 | # define SSL_TLSV1_2 0x00000008U | |
388 | ||
389 | /* | |
390 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make | |
391 | * sure to update this constant too | |
392 | */ | |
393 | ||
394 | # define SSL_MD_MD5_IDX 0 | |
395 | # define SSL_MD_SHA1_IDX 1 | |
396 | # define SSL_MD_GOST94_IDX 2 | |
397 | # define SSL_MD_GOST89MAC_IDX 3 | |
398 | # define SSL_MD_SHA256_IDX 4 | |
399 | # define SSL_MD_SHA384_IDX 5 | |
400 | # define SSL_MD_GOST12_256_IDX 6 | |
401 | # define SSL_MD_GOST89MAC12_IDX 7 | |
402 | # define SSL_MD_GOST12_512_IDX 8 | |
403 | # define SSL_MD_MD5_SHA1_IDX 9 | |
404 | # define SSL_MD_SHA224_IDX 10 | |
405 | # define SSL_MD_SHA512_IDX 11 | |
406 | # define SSL_MAX_DIGEST 12 | |
407 | ||
408 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
409 | ||
410 | /* Bits 0-7 are handshake MAC */ | |
411 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
412 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
413 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
414 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
415 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
416 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
417 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
418 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
419 | ||
420 | /* Bits 8-15 bits are PRF */ | |
421 | # define TLS1_PRF_DGST_SHIFT 8 | |
422 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
423 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
424 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
425 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
426 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
427 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
428 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
429 | ||
430 | /* | |
431 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
432 | * goes into algorithm2) | |
433 | */ | |
434 | # define TLS1_STREAM_MAC 0x10000 | |
435 | ||
436 | # define SSL_DEFAULT_MASK 0X00000020U | |
437 | ||
438 | # define SSL_STRONG_NONE 0x00000001U | |
439 | # define SSL_LOW 0x00000002U | |
440 | # define SSL_MEDIUM 0x00000004U | |
441 | # define SSL_HIGH 0x00000008U | |
442 | # define SSL_FIPS 0x00000010U | |
443 | # define SSL_NOT_DEFAULT 0x00000020U | |
444 | ||
445 | /* we have used 0000003f - 26 bits left to go */ | |
446 | ||
447 | /* Check if an SSL structure is using DTLS */ | |
448 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) | |
449 | /* See if we need explicit IV */ | |
450 | # define SSL_USE_EXPLICIT_IV(s) \ | |
451 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
452 | /* | |
453 | * See if we use signature algorithms extension and signature algorithm | |
454 | * before signatures. | |
455 | */ | |
456 | # define SSL_USE_SIGALGS(s) \ | |
457 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
458 | /* | |
459 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
460 | * apply to others in future. | |
461 | */ | |
462 | # define SSL_USE_TLS1_2_CIPHERS(s) \ | |
463 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
464 | /* | |
465 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
466 | * flags because it may not be set to correct version yet. | |
467 | */ | |
468 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ | |
469 | ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \ | |
470 | (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION)) | |
471 | ||
472 | # ifdef TLSEXT_TYPE_encrypt_then_mac | |
473 | # define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) | |
474 | # else | |
475 | # define SSL_USE_ETM(s) (0) | |
476 | # endif | |
477 | ||
478 | /* Mostly for SSLv3 */ | |
479 | # define SSL_PKEY_RSA_ENC 0 | |
480 | # define SSL_PKEY_RSA_SIGN 1 | |
481 | # define SSL_PKEY_DSA_SIGN 2 | |
482 | # define SSL_PKEY_ECC 3 | |
483 | # define SSL_PKEY_GOST01 4 | |
484 | # define SSL_PKEY_GOST12_256 5 | |
485 | # define SSL_PKEY_GOST12_512 6 | |
486 | # define SSL_PKEY_NUM 7 | |
487 | /* | |
488 | * Pseudo-constant. GOST cipher suites can use different certs for 1 | |
489 | * SSL_CIPHER. So let's see which one we have in fact. | |
490 | */ | |
491 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 | |
492 | ||
493 | /*- | |
494 | * SSL_kRSA <- RSA_ENC | |
495 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) | |
496 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN | |
497 | * SSL_aRSA <- RSA_ENC | RSA_SIGN | |
498 | * SSL_aDSS <- DSA_SIGN | |
499 | */ | |
500 | ||
501 | /*- | |
502 | #define CERT_INVALID 0 | |
503 | #define CERT_PUBLIC_KEY 1 | |
504 | #define CERT_PRIVATE_KEY 2 | |
505 | */ | |
506 | ||
507 | ||
508 | /* CipherSuite length. SSLv3 and all TLS versions. */ | |
509 | #define TLS_CIPHER_LEN 2 | |
510 | /* used to hold info on the particular ciphers used */ | |
511 | struct ssl_cipher_st { | |
512 | uint32_t valid; | |
513 | const char *name; /* text name */ | |
514 | uint32_t id; /* id, 4 bytes, first is version */ | |
515 | /* | |
516 | * changed in 1.0.0: these four used to be portions of a single value | |
517 | * 'algorithms' | |
518 | */ | |
519 | uint32_t algorithm_mkey; /* key exchange algorithm */ | |
520 | uint32_t algorithm_auth; /* server authentication */ | |
521 | uint32_t algorithm_enc; /* symmetric encryption */ | |
522 | uint32_t algorithm_mac; /* symmetric authentication */ | |
523 | uint32_t algorithm_ssl; /* (major) protocol version */ | |
524 | uint32_t algo_strength; /* strength and export flags */ | |
525 | uint32_t algorithm2; /* Extra flags */ | |
526 | int32_t strength_bits; /* Number of bits really used */ | |
527 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
528 | }; | |
529 | ||
530 | /* Used to hold SSL/TLS functions */ | |
531 | struct ssl_method_st { | |
532 | int version; | |
533 | int (*ssl_new) (SSL *s); | |
534 | void (*ssl_clear) (SSL *s); | |
535 | void (*ssl_free) (SSL *s); | |
536 | int (*ssl_accept) (SSL *s); | |
537 | int (*ssl_connect) (SSL *s); | |
538 | int (*ssl_read) (SSL *s, void *buf, int len); | |
539 | int (*ssl_peek) (SSL *s, void *buf, int len); | |
540 | int (*ssl_write) (SSL *s, const void *buf, int len); | |
541 | int (*ssl_shutdown) (SSL *s); | |
542 | int (*ssl_renegotiate) (SSL *s); | |
543 | int (*ssl_renegotiate_check) (SSL *s); | |
544 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, | |
545 | unsigned char *buf, int len, int peek); | |
546 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len); | |
547 | int (*ssl_dispatch_alert) (SSL *s); | |
548 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
549 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
550 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
551 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, unsigned char *ptr); | |
552 | int (*ssl_pending) (const SSL *s); | |
553 | int (*num_ciphers) (void); | |
554 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
555 | const struct ssl_method_st *(*get_ssl_method) (int version); | |
556 | long (*get_timeout) (void); | |
557 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
558 | int (*ssl_version) (void); | |
559 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
560 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
561 | }; | |
562 | ||
563 | /*- | |
564 | * Lets make this into an ASN.1 type structure as follows | |
565 | * SSL_SESSION_ID ::= SEQUENCE { | |
566 | * version INTEGER, -- structure version number | |
567 | * SSLversion INTEGER, -- SSL version number | |
568 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
569 | * Session_ID OCTET STRING, -- the Session ID | |
570 | * Master_key OCTET STRING, -- the master key | |
571 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument | |
572 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
573 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
574 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
575 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
576 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
577 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
578 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
579 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
580 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
581 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
582 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
583 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
584 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags | |
585 | * } | |
586 | * Look in ssl/ssl_asn1.c for more details | |
587 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
588 | */ | |
589 | struct ssl_session_st { | |
590 | int ssl_version; /* what ssl version session info is being | |
591 | * kept in here? */ | |
592 | int master_key_length; | |
593 | unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH]; | |
594 | /* session_id - valid? */ | |
595 | unsigned int session_id_length; | |
596 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
597 | /* | |
598 | * this is used to determine whether the session is being reused in the | |
599 | * appropriate context. It is up to the application to set this, via | |
600 | * SSL_new | |
601 | */ | |
602 | unsigned int sid_ctx_length; | |
603 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
604 | # ifndef OPENSSL_NO_PSK | |
605 | char *psk_identity_hint; | |
606 | char *psk_identity; | |
607 | # endif | |
608 | /* | |
609 | * Used to indicate that session resumption is not allowed. Applications | |
610 | * can also set this bit for a new session via not_resumable_session_cb | |
611 | * to disable session caching and tickets. | |
612 | */ | |
613 | int not_resumable; | |
614 | /* This is the cert and type for the other end. */ | |
615 | X509 *peer; | |
616 | int peer_type; | |
617 | /* Certificate chain of peer */ | |
618 | STACK_OF(X509) *peer_chain; | |
619 | /* | |
620 | * when app_verify_callback accepts a session where the peer's | |
621 | * certificate is not ok, we must remember the error for session reuse: | |
622 | */ | |
623 | long verify_result; /* only for servers */ | |
624 | int references; | |
625 | long timeout; | |
626 | long time; | |
627 | unsigned int compress_meth; /* Need to lookup the method */ | |
628 | const SSL_CIPHER *cipher; | |
629 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used | |
630 | * to load the 'cipher' structure */ | |
631 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ | |
632 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
633 | /* | |
634 | * These are used to make removal of session-ids more efficient and to | |
635 | * implement a maximum cache size. | |
636 | */ | |
637 | struct ssl_session_st *prev, *next; | |
638 | char *tlsext_hostname; | |
639 | # ifndef OPENSSL_NO_EC | |
640 | size_t tlsext_ecpointformatlist_length; | |
641 | unsigned char *tlsext_ecpointformatlist; /* peer's list */ | |
642 | size_t tlsext_ellipticcurvelist_length; | |
643 | unsigned char *tlsext_ellipticcurvelist; /* peer's list */ | |
644 | # endif /* OPENSSL_NO_EC */ | |
645 | /* RFC4507 info */ | |
646 | unsigned char *tlsext_tick; /* Session ticket */ | |
647 | size_t tlsext_ticklen; /* Session ticket length */ | |
648 | unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */ | |
649 | # ifndef OPENSSL_NO_SRP | |
650 | char *srp_username; | |
651 | # endif | |
652 | uint32_t flags; | |
653 | }; | |
654 | ||
655 | /* Extended master secret support */ | |
656 | # define SSL_SESS_FLAG_EXTMS 0x1 | |
657 | ||
658 | ||
659 | # ifndef OPENSSL_NO_SRP | |
660 | ||
661 | typedef struct srp_ctx_st { | |
662 | /* param for all the callbacks */ | |
663 | void *SRP_cb_arg; | |
664 | /* set client Hello login callback */ | |
665 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
666 | /* set SRP N/g param callback for verification */ | |
667 | int (*SRP_verify_param_callback) (SSL *, void *); | |
668 | /* set SRP client passwd callback */ | |
669 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
670 | char *login; | |
671 | BIGNUM *N, *g, *s, *B, *A; | |
672 | BIGNUM *a, *b, *v; | |
673 | char *info; | |
674 | int strength; | |
675 | unsigned long srp_Mask; | |
676 | } SRP_CTX; | |
677 | ||
678 | # endif | |
679 | ||
680 | typedef struct ssl_comp_st SSL_COMP; | |
681 | ||
682 | struct ssl_comp_st { | |
683 | int id; | |
684 | const char *name; | |
685 | COMP_METHOD *method; | |
686 | }; | |
687 | ||
688 | DECLARE_STACK_OF(SSL_COMP) | |
689 | DECLARE_LHASH_OF(SSL_SESSION); | |
690 | ||
691 | ||
692 | struct ssl_ctx_st { | |
693 | const SSL_METHOD *method; | |
694 | STACK_OF(SSL_CIPHER) *cipher_list; | |
695 | /* same as above but sorted for lookup */ | |
696 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
697 | struct x509_store_st /* X509_STORE */ *cert_store; | |
698 | LHASH_OF(SSL_SESSION) *sessions; | |
699 | /* | |
700 | * Most session-ids that will be cached, default is | |
701 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
702 | */ | |
703 | unsigned long session_cache_size; | |
704 | struct ssl_session_st *session_cache_head; | |
705 | struct ssl_session_st *session_cache_tail; | |
706 | /* | |
707 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
708 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
709 | * means only SSL_accept which cache SSL_SESSIONS. | |
710 | */ | |
711 | uint32_t session_cache_mode; | |
712 | /* | |
713 | * If timeout is not 0, it is the default timeout value set when | |
714 | * SSL_new() is called. This has been put in to make life easier to set | |
715 | * things up | |
716 | */ | |
717 | long session_timeout; | |
718 | /* | |
719 | * If this callback is not null, it will be called each time a session id | |
720 | * is added to the cache. If this function returns 1, it means that the | |
721 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
722 | * Otherwise, on 0, it means the callback has finished with it. If | |
723 | * remove_session_cb is not null, it will be called when a session-id is | |
724 | * removed from the cache. After the call, OpenSSL will | |
725 | * SSL_SESSION_free() it. | |
726 | */ | |
727 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
728 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
729 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
730 | unsigned char *data, int len, int *copy); | |
731 | struct { | |
732 | int sess_connect; /* SSL new conn - started */ | |
733 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
734 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
735 | int sess_accept; /* SSL new accept - started */ | |
736 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
737 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
738 | int sess_miss; /* session lookup misses */ | |
739 | int sess_timeout; /* reuse attempt on timeouted session */ | |
740 | int sess_cache_full; /* session removed due to full cache */ | |
741 | int sess_hit; /* session reuse actually done */ | |
742 | int sess_cb_hit; /* session-id that was not in the cache was | |
743 | * passed back via the callback. This | |
744 | * indicates that the application is | |
745 | * supplying session-id's from other | |
746 | * processes - spooky :-) */ | |
747 | } stats; | |
748 | ||
749 | int references; | |
750 | ||
751 | /* if defined, these override the X509_verify_cert() calls */ | |
752 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
753 | void *app_verify_arg; | |
754 | /* | |
755 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
756 | * ('app_verify_callback' was called with just one argument) | |
757 | */ | |
758 | ||
759 | /* Default password callback. */ | |
760 | pem_password_cb *default_passwd_callback; | |
761 | ||
762 | /* Default password callback user data. */ | |
763 | void *default_passwd_callback_userdata; | |
764 | ||
765 | /* get client cert callback */ | |
766 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
767 | ||
768 | /* cookie generate callback */ | |
769 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
770 | unsigned int *cookie_len); | |
771 | ||
772 | /* verify cookie callback */ | |
773 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, | |
774 | unsigned int cookie_len); | |
775 | ||
776 | CRYPTO_EX_DATA ex_data; | |
777 | ||
778 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
779 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
780 | ||
781 | STACK_OF(X509) *extra_certs; | |
782 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
783 | ||
784 | /* Default values used when no per-SSL value is defined follow */ | |
785 | ||
786 | /* used if SSL's info_callback is NULL */ | |
787 | void (*info_callback) (const SSL *ssl, int type, int val); | |
788 | ||
789 | /* what we put in client cert requests */ | |
790 | STACK_OF(X509_NAME) *client_CA; | |
791 | ||
792 | /* | |
793 | * Default values to use in SSL structures follow (these are copied by | |
794 | * SSL_new) | |
795 | */ | |
796 | ||
797 | uint32_t options; | |
798 | uint32_t mode; | |
799 | long max_cert_list; | |
800 | ||
801 | struct cert_st /* CERT */ *cert; | |
802 | int read_ahead; | |
803 | ||
804 | /* callback that allows applications to peek at protocol messages */ | |
805 | void (*msg_callback) (int write_p, int version, int content_type, | |
806 | const void *buf, size_t len, SSL *ssl, void *arg); | |
807 | void *msg_callback_arg; | |
808 | ||
809 | uint32_t verify_mode; | |
810 | unsigned int sid_ctx_length; | |
811 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
812 | /* called 'verify_callback' in the SSL */ | |
813 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
814 | ||
815 | /* Default generate session ID callback. */ | |
816 | GEN_SESSION_CB generate_session_id; | |
817 | ||
818 | X509_VERIFY_PARAM *param; | |
819 | ||
820 | int quiet_shutdown; | |
821 | ||
822 | /* | |
823 | * Maximum amount of data to send in one fragment. actual record size can | |
824 | * be more than this due to padding and MAC overheads. | |
825 | */ | |
826 | unsigned int max_send_fragment; | |
827 | ||
828 | # ifndef OPENSSL_NO_ENGINE | |
829 | /* | |
830 | * Engine to pass requests for client certs to | |
831 | */ | |
832 | ENGINE *client_cert_engine; | |
833 | # endif | |
834 | ||
835 | /* TLS extensions servername callback */ | |
836 | int (*tlsext_servername_callback) (SSL *, int *, void *); | |
837 | void *tlsext_servername_arg; | |
838 | /* RFC 4507 session ticket keys */ | |
839 | unsigned char tlsext_tick_key_name[16]; | |
840 | unsigned char tlsext_tick_hmac_key[16]; | |
841 | unsigned char tlsext_tick_aes_key[16]; | |
842 | /* Callback to support customisation of ticket key setting */ | |
843 | int (*tlsext_ticket_key_cb) (SSL *ssl, | |
844 | unsigned char *name, unsigned char *iv, | |
845 | EVP_CIPHER_CTX *ectx, | |
846 | HMAC_CTX *hctx, int enc); | |
847 | ||
848 | /* certificate status request info */ | |
849 | /* Callback for status request */ | |
850 | int (*tlsext_status_cb) (SSL *ssl, void *arg); | |
851 | void *tlsext_status_arg; | |
852 | ||
853 | # ifndef OPENSSL_NO_PSK | |
854 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, | |
855 | char *identity, | |
856 | unsigned int max_identity_len, | |
857 | unsigned char *psk, | |
858 | unsigned int max_psk_len); | |
859 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
860 | unsigned char *psk, | |
861 | unsigned int max_psk_len); | |
862 | # endif | |
863 | ||
864 | # ifndef OPENSSL_NO_SRP | |
865 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
866 | # endif | |
867 | ||
868 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
869 | /* Next protocol negotiation information */ | |
870 | /* (for experimental NPN extension). */ | |
871 | ||
872 | /* | |
873 | * For a server, this contains a callback function by which the set of | |
874 | * advertised protocols can be provided. | |
875 | */ | |
876 | int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf, | |
877 | unsigned int *len, void *arg); | |
878 | void *next_protos_advertised_cb_arg; | |
879 | /* | |
880 | * For a client, this contains a callback function that selects the next | |
881 | * protocol from the list provided by the server. | |
882 | */ | |
883 | int (*next_proto_select_cb) (SSL *s, unsigned char **out, | |
884 | unsigned char *outlen, | |
885 | const unsigned char *in, | |
886 | unsigned int inlen, void *arg); | |
887 | void *next_proto_select_cb_arg; | |
888 | # endif | |
889 | ||
890 | /* | |
891 | * ALPN information (we are in the process of transitioning from NPN to | |
892 | * ALPN.) | |
893 | */ | |
894 | ||
895 | /*- | |
896 | * For a server, this contains a callback function that allows the | |
897 | * server to select the protocol for the connection. | |
898 | * out: on successful return, this must point to the raw protocol | |
899 | * name (without the length prefix). | |
900 | * outlen: on successful return, this contains the length of |*out|. | |
901 | * in: points to the client's list of supported protocols in | |
902 | * wire-format. | |
903 | * inlen: the length of |in|. | |
904 | */ | |
905 | int (*alpn_select_cb) (SSL *s, | |
906 | const unsigned char **out, | |
907 | unsigned char *outlen, | |
908 | const unsigned char *in, | |
909 | unsigned int inlen, void *arg); | |
910 | void *alpn_select_cb_arg; | |
911 | ||
912 | /* | |
913 | * For a client, this contains the list of supported protocols in wire | |
914 | * format. | |
915 | */ | |
916 | unsigned char *alpn_client_proto_list; | |
917 | unsigned alpn_client_proto_list_len; | |
918 | ||
919 | /* SRTP profiles we are willing to do from RFC 5764 */ | |
920 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
921 | /* | |
922 | * Callback for disabling session caching and ticket support on a session | |
923 | * basis, depending on the chosen cipher. | |
924 | */ | |
925 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
926 | # ifndef OPENSSL_NO_EC | |
927 | /* EC extension values inherited by SSL structure */ | |
928 | size_t tlsext_ecpointformatlist_length; | |
929 | unsigned char *tlsext_ecpointformatlist; | |
930 | size_t tlsext_ellipticcurvelist_length; | |
931 | unsigned char *tlsext_ellipticcurvelist; | |
932 | # endif /* OPENSSL_NO_EC */ | |
933 | }; | |
934 | ||
935 | ||
936 | struct ssl_st { | |
937 | /* | |
938 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
939 | * DTLS1_VERSION) | |
940 | */ | |
941 | int version; | |
942 | ||
943 | /* SSLv3 */ | |
944 | const SSL_METHOD *method; | |
945 | /* | |
946 | * There are 2 BIO's even though they are normally both the same. This | |
947 | * is so data can be read and written to different handlers | |
948 | */ | |
949 | /* used by SSL_read */ | |
950 | BIO *rbio; | |
951 | /* used by SSL_write */ | |
952 | BIO *wbio; | |
953 | /* used during session-id reuse to concatenate messages */ | |
954 | BIO *bbio; | |
955 | /* | |
956 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
957 | * is returned. This is needed for non-blocking IO so we know what | |
958 | * request needs re-doing when in SSL_accept or SSL_connect | |
959 | */ | |
960 | int rwstate; | |
961 | ||
962 | int (*handshake_func) (SSL *); | |
963 | /* | |
964 | * Imagine that here's a boolean member "init" that is switched as soon | |
965 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
966 | * that "state" and "handshake_func" are properly initialized. But as | |
967 | * handshake_func is == 0 until then, we use this test instead of an | |
968 | * "init" member. | |
969 | */ | |
970 | /* are we the server side? */ | |
971 | int server; | |
972 | /* | |
973 | * Generate a new session or reuse an old one. | |
974 | * NB: For servers, the 'new' session may actually be a previously | |
975 | * cached session or even the previous session unless | |
976 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
977 | */ | |
978 | int new_session; | |
979 | /* don't send shutdown packets */ | |
980 | int quiet_shutdown; | |
981 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
982 | int shutdown; | |
983 | /* where we are */ | |
984 | OSSL_STATEM statem; | |
985 | ||
986 | BUF_MEM *init_buf; /* buffer used during init */ | |
987 | void *init_msg; /* pointer to handshake message body, set by | |
988 | * ssl3_get_message() */ | |
989 | int init_num; /* amount read/written */ | |
990 | int init_off; /* amount read/written */ | |
991 | ||
992 | struct ssl3_state_st *s3; /* SSLv3 variables */ | |
993 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
994 | ||
995 | /* callback that allows applications to peek at protocol messages */ | |
996 | void (*msg_callback) (int write_p, int version, int content_type, | |
997 | const void *buf, size_t len, SSL *ssl, void *arg); | |
998 | void *msg_callback_arg; | |
999 | int hit; /* reusing a previous session */ | |
1000 | X509_VERIFY_PARAM *param; | |
1001 | /* crypto */ | |
1002 | STACK_OF(SSL_CIPHER) *cipher_list; | |
1003 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
1004 | /* | |
1005 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1006 | * be 'copied' into these ones | |
1007 | */ | |
1008 | uint32_t mac_flags; | |
1009 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ | |
1010 | EVP_MD_CTX *read_hash; /* used for mac generation */ | |
1011 | COMP_CTX *compress; /* compression */ | |
1012 | COMP_CTX *expand; /* uncompress */ | |
1013 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1014 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
1015 | /* session info */ | |
1016 | /* client cert? */ | |
1017 | /* This is used to hold the server certificate used */ | |
1018 | struct cert_st /* CERT */ *cert; | |
1019 | /* | |
1020 | * the session_id_context is used to ensure sessions are only reused in | |
1021 | * the appropriate context | |
1022 | */ | |
1023 | unsigned int sid_ctx_length; | |
1024 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
1025 | /* This can also be in the session once a session is established */ | |
1026 | SSL_SESSION *session; | |
1027 | /* Default generate session ID callback. */ | |
1028 | GEN_SESSION_CB generate_session_id; | |
1029 | /* Used in SSL3 */ | |
1030 | /* | |
1031 | * 0 don't care about verify failure. | |
1032 | * 1 fail if verify fails | |
1033 | */ | |
1034 | uint32_t verify_mode; | |
1035 | /* fail if callback returns 0 */ | |
1036 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1037 | /* optional informational callback */ | |
1038 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1039 | /* error bytes to be written */ | |
1040 | int error; | |
1041 | /* actual code */ | |
1042 | int error_code; | |
1043 | # ifndef OPENSSL_NO_PSK | |
1044 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, | |
1045 | char *identity, | |
1046 | unsigned int max_identity_len, | |
1047 | unsigned char *psk, | |
1048 | unsigned int max_psk_len); | |
1049 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
1050 | unsigned char *psk, | |
1051 | unsigned int max_psk_len); | |
1052 | # endif | |
1053 | SSL_CTX *ctx; | |
1054 | /* | |
1055 | * set this flag to 1 and a sleep(1) is put into all SSL_read() and | |
1056 | * SSL_write() calls, good for nbio debuging :-) | |
1057 | */ | |
1058 | int debug; | |
1059 | /* extra application data */ | |
1060 | long verify_result; | |
1061 | CRYPTO_EX_DATA ex_data; | |
1062 | /* for server side, keep the list of CA_dn we can use */ | |
1063 | STACK_OF(X509_NAME) *client_CA; | |
1064 | int references; | |
1065 | /* protocol behaviour */ | |
1066 | uint32_t options; | |
1067 | /* API behaviour */ | |
1068 | uint32_t mode; | |
1069 | long max_cert_list; | |
1070 | int first_packet; | |
1071 | /* what was passed, used for SSLv3/TLS rollback check */ | |
1072 | int client_version; | |
1073 | unsigned int max_send_fragment; | |
1074 | ||
1075 | /* TLS extension debug callback */ | |
1076 | void (*tlsext_debug_cb) (SSL *s, int client_server, int type, | |
1077 | unsigned char *data, int len, void *arg); | |
1078 | void *tlsext_debug_arg; | |
1079 | char *tlsext_hostname; | |
1080 | /*- | |
1081 | * no further mod of servername | |
1082 | * 0 : call the servername extension callback. | |
1083 | * 1 : prepare 2, allow last ack just after in server callback. | |
1084 | * 2 : don't call servername callback, no ack in server hello | |
1085 | */ | |
1086 | int servername_done; | |
1087 | /* certificate status request info */ | |
1088 | /* Status type or -1 if no status type */ | |
1089 | int tlsext_status_type; | |
1090 | /* Expect OCSP CertificateStatus message */ | |
1091 | int tlsext_status_expected; | |
1092 | /* OCSP status request only */ | |
1093 | STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids; | |
1094 | X509_EXTENSIONS *tlsext_ocsp_exts; | |
1095 | /* OCSP response received or to be sent */ | |
1096 | unsigned char *tlsext_ocsp_resp; | |
1097 | int tlsext_ocsp_resplen; | |
1098 | /* RFC4507 session ticket expected to be received or sent */ | |
1099 | int tlsext_ticket_expected; | |
1100 | # ifndef OPENSSL_NO_EC | |
1101 | size_t tlsext_ecpointformatlist_length; | |
1102 | /* our list */ | |
1103 | unsigned char *tlsext_ecpointformatlist; | |
1104 | size_t tlsext_ellipticcurvelist_length; | |
1105 | /* our list */ | |
1106 | unsigned char *tlsext_ellipticcurvelist; | |
1107 | # endif /* OPENSSL_NO_EC */ | |
1108 | /* TLS Session Ticket extension override */ | |
1109 | TLS_SESSION_TICKET_EXT *tlsext_session_ticket; | |
1110 | /* TLS Session Ticket extension callback */ | |
1111 | tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb; | |
1112 | void *tls_session_ticket_ext_cb_arg; | |
1113 | /* TLS pre-shared secret session resumption */ | |
1114 | tls_session_secret_cb_fn tls_session_secret_cb; | |
1115 | void *tls_session_secret_cb_arg; | |
1116 | SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */ | |
1117 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1118 | /* | |
1119 | * Next protocol negotiation. For the client, this is the protocol that | |
1120 | * we sent in NextProtocol and is set when handling ServerHello | |
1121 | * extensions. For a server, this is the client's selected_protocol from | |
1122 | * NextProtocol and is set when handling the NextProtocol message, before | |
1123 | * the Finished message. | |
1124 | */ | |
1125 | unsigned char *next_proto_negotiated; | |
1126 | unsigned char next_proto_negotiated_len; | |
1127 | # endif | |
1128 | # define session_ctx initial_ctx | |
1129 | /* What we'll do */ | |
1130 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1131 | /* What's been chosen */ | |
1132 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
1133 | /*- | |
1134 | * Is use of the Heartbeat extension negotiated? | |
1135 | * 0: disabled | |
1136 | * 1: enabled | |
1137 | * 2: enabled, but not allowed to send Requests | |
1138 | */ | |
1139 | unsigned int tlsext_heartbeat; | |
1140 | /* Indicates if a HeartbeatRequest is in flight */ | |
1141 | unsigned int tlsext_hb_pending; | |
1142 | /* HeartbeatRequest sequence number */ | |
1143 | unsigned int tlsext_hb_seq; | |
1144 | /* | |
1145 | * For a client, this contains the list of supported protocols in wire | |
1146 | * format. | |
1147 | */ | |
1148 | unsigned char *alpn_client_proto_list; | |
1149 | unsigned alpn_client_proto_list_len; | |
1150 | ||
1151 | /*- | |
1152 | * 1 if we are renegotiating. | |
1153 | * 2 if we are a server and are inside a handshake | |
1154 | * (i.e. not just sending a HelloRequest) | |
1155 | */ | |
1156 | int renegotiate; | |
1157 | # ifndef OPENSSL_NO_SRP | |
1158 | /* ctx for SRP authentication */ | |
1159 | SRP_CTX srp_ctx; | |
1160 | # endif | |
1161 | /* | |
1162 | * Callback for disabling session caching and ticket support on a session | |
1163 | * basis, depending on the chosen cipher. | |
1164 | */ | |
1165 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
1166 | ||
1167 | RECORD_LAYER rlayer; | |
1168 | ||
1169 | /* Default password callback. */ | |
1170 | pem_password_cb *default_passwd_callback; | |
1171 | ||
1172 | /* Default password callback user data. */ | |
1173 | void *default_passwd_callback_userdata; | |
1174 | ||
1175 | /* Async Job info */ | |
1176 | ASYNC_JOB *job; | |
1177 | }; | |
1178 | ||
1179 | ||
1180 | typedef struct ssl3_state_st { | |
1181 | long flags; | |
1182 | int read_mac_secret_size; | |
1183 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; | |
1184 | int write_mac_secret_size; | |
1185 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; | |
1186 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1187 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1188 | /* flags for countermeasure against known-IV weakness */ | |
1189 | int need_empty_fragments; | |
1190 | int empty_fragment_done; | |
1191 | /* used during startup, digest all incoming/outgoing packets */ | |
1192 | BIO *handshake_buffer; | |
1193 | /* | |
1194 | * When handshake digest is determined, buffer is hashed and | |
1195 | * freed and MD_CTX for the required digest is stored here. | |
1196 | */ | |
1197 | EVP_MD_CTX *handshake_dgst; | |
1198 | /* | |
1199 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1200 | * Unset when the peer's Finished message is received. | |
1201 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1202 | */ | |
1203 | int change_cipher_spec; | |
1204 | int warn_alert; | |
1205 | int fatal_alert; | |
1206 | /* | |
1207 | * we allow one fatal and one warning alert to be outstanding, send close | |
1208 | * alert via the warning alert | |
1209 | */ | |
1210 | int alert_dispatch; | |
1211 | unsigned char send_alert[2]; | |
1212 | /* | |
1213 | * This flag is set when we should renegotiate ASAP, basically when there | |
1214 | * is no more data in the read or write buffers | |
1215 | */ | |
1216 | int renegotiate; | |
1217 | int total_renegotiations; | |
1218 | int num_renegotiations; | |
1219 | int in_read_app_data; | |
1220 | struct { | |
1221 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ | |
1222 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
1223 | int finish_md_len; | |
1224 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; | |
1225 | int peer_finish_md_len; | |
1226 | unsigned long message_size; | |
1227 | int message_type; | |
1228 | /* used to hold the new cipher we are going to use */ | |
1229 | const SSL_CIPHER *new_cipher; | |
1230 | # ifndef OPENSSL_NO_DH | |
1231 | DH *dh; | |
1232 | # endif | |
1233 | # ifndef OPENSSL_NO_EC | |
1234 | EVP_PKEY *pkey; /* holds short lived ECDH key */ | |
1235 | # endif | |
1236 | /* used for certificate requests */ | |
1237 | int cert_req; | |
1238 | int ctype_num; | |
1239 | char ctype[SSL3_CT_NUMBER]; | |
1240 | STACK_OF(X509_NAME) *ca_names; | |
1241 | int key_block_length; | |
1242 | unsigned char *key_block; | |
1243 | const EVP_CIPHER *new_sym_enc; | |
1244 | const EVP_MD *new_hash; | |
1245 | int new_mac_pkey_type; | |
1246 | int new_mac_secret_size; | |
1247 | # ifndef OPENSSL_NO_COMP | |
1248 | const SSL_COMP *new_compression; | |
1249 | # else | |
1250 | char *new_compression; | |
1251 | # endif | |
1252 | int cert_request; | |
1253 | /* Raw values of the cipher list from a client */ | |
1254 | unsigned char *ciphers_raw; | |
1255 | size_t ciphers_rawlen; | |
1256 | /* Temporary storage for premaster secret */ | |
1257 | unsigned char *pms; | |
1258 | size_t pmslen; | |
1259 | #ifndef OPENSSL_NO_PSK | |
1260 | /* Temporary storage for PSK key */ | |
1261 | unsigned char *psk; | |
1262 | size_t psklen; | |
1263 | #endif | |
1264 | /* | |
1265 | * signature algorithms peer reports: e.g. supported signature | |
1266 | * algorithms extension for server or as part of a certificate | |
1267 | * request for client. | |
1268 | */ | |
1269 | unsigned char *peer_sigalgs; | |
1270 | /* Size of above array */ | |
1271 | size_t peer_sigalgslen; | |
1272 | /* Digest peer uses for signing */ | |
1273 | const EVP_MD *peer_md; | |
1274 | /* Array of digests used for signing */ | |
1275 | const EVP_MD *md[SSL_PKEY_NUM]; | |
1276 | /* | |
1277 | * Set if corresponding CERT_PKEY can be used with current | |
1278 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1279 | * If zero it can't be used at all. | |
1280 | */ | |
1281 | uint32_t valid_flags[SSL_PKEY_NUM]; | |
1282 | /* | |
1283 | * For servers the following masks are for the key and auth algorithms | |
1284 | * that are supported by the certs below. For clients they are masks of | |
1285 | * *disabled* algorithms based on the current session. | |
1286 | */ | |
1287 | uint32_t mask_k; | |
1288 | uint32_t mask_a; | |
1289 | /* Client only */ | |
1290 | uint32_t mask_ssl; | |
1291 | } tmp; | |
1292 | ||
1293 | /* Connection binding to prevent renegotiation attacks */ | |
1294 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
1295 | unsigned char previous_client_finished_len; | |
1296 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; | |
1297 | unsigned char previous_server_finished_len; | |
1298 | int send_connection_binding; /* TODOEKR */ | |
1299 | ||
1300 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1301 | /* | |
1302 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1303 | */ | |
1304 | int next_proto_neg_seen; | |
1305 | # endif | |
1306 | ||
1307 | /* | |
1308 | * ALPN information (we are in the process of transitioning from NPN to | |
1309 | * ALPN.) | |
1310 | */ | |
1311 | ||
1312 | /* | |
1313 | * In a server these point to the selected ALPN protocol after the | |
1314 | * ClientHello has been processed. In a client these contain the protocol | |
1315 | * that the server selected once the ServerHello has been processed. | |
1316 | */ | |
1317 | unsigned char *alpn_selected; | |
1318 | unsigned alpn_selected_len; | |
1319 | ||
1320 | # ifndef OPENSSL_NO_EC | |
1321 | /* | |
1322 | * This is set to true if we believe that this is a version of Safari | |
1323 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1324 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1325 | */ | |
1326 | char is_probably_safari; | |
1327 | # endif /* !OPENSSL_NO_EC */ | |
1328 | ||
1329 | /* For clients: peer temporary key */ | |
1330 | # ifndef OPENSSL_NO_DH | |
1331 | DH *peer_dh_tmp; | |
1332 | # endif | |
1333 | # ifndef OPENSSL_NO_EC | |
1334 | EVP_PKEY *peer_tmp; | |
1335 | # endif | |
1336 | ||
1337 | } SSL3_STATE; | |
1338 | ||
1339 | ||
1340 | /* DTLS structures */ | |
1341 | ||
1342 | # ifndef OPENSSL_NO_SCTP | |
1343 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1344 | # endif | |
1345 | ||
1346 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
1347 | # define DTLS1_MAX_MTU_OVERHEAD 48 | |
1348 | ||
1349 | /* | |
1350 | * Flag used in message reuse to indicate the buffer contains the record | |
1351 | * header as well as the the handshake message header. | |
1352 | */ | |
1353 | # define DTLS1_SKIP_RECORD_HEADER 2 | |
1354 | ||
1355 | struct dtls1_retransmit_state { | |
1356 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1357 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
1358 | COMP_CTX *compress; /* compression */ | |
1359 | SSL_SESSION *session; | |
1360 | unsigned short epoch; | |
1361 | }; | |
1362 | ||
1363 | struct hm_header_st { | |
1364 | unsigned char type; | |
1365 | unsigned long msg_len; | |
1366 | unsigned short seq; | |
1367 | unsigned long frag_off; | |
1368 | unsigned long frag_len; | |
1369 | unsigned int is_ccs; | |
1370 | struct dtls1_retransmit_state saved_retransmit_state; | |
1371 | }; | |
1372 | ||
1373 | struct dtls1_timeout_st { | |
1374 | /* Number of read timeouts so far */ | |
1375 | unsigned int read_timeouts; | |
1376 | /* Number of write timeouts so far */ | |
1377 | unsigned int write_timeouts; | |
1378 | /* Number of alerts received so far */ | |
1379 | unsigned int num_alerts; | |
1380 | }; | |
1381 | ||
1382 | typedef struct hm_fragment_st { | |
1383 | struct hm_header_st msg_header; | |
1384 | unsigned char *fragment; | |
1385 | unsigned char *reassembly; | |
1386 | } hm_fragment; | |
1387 | ||
1388 | typedef struct dtls1_state_st { | |
1389 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; | |
1390 | unsigned int cookie_len; | |
1391 | unsigned int cookie_verified; | |
1392 | ||
1393 | /* handshake message numbers */ | |
1394 | unsigned short handshake_write_seq; | |
1395 | unsigned short next_handshake_write_seq; | |
1396 | unsigned short handshake_read_seq; | |
1397 | ||
1398 | /* Buffered handshake messages */ | |
1399 | pqueue buffered_messages; | |
1400 | /* Buffered (sent) handshake records */ | |
1401 | pqueue sent_messages; | |
1402 | ||
1403 | unsigned int link_mtu; /* max on-the-wire DTLS packet size */ | |
1404 | unsigned int mtu; /* max DTLS packet size */ | |
1405 | struct hm_header_st w_msg_hdr; | |
1406 | struct hm_header_st r_msg_hdr; | |
1407 | struct dtls1_timeout_st timeout; | |
1408 | /* | |
1409 | * Indicates when the last handshake msg or heartbeat sent will timeout | |
1410 | */ | |
1411 | struct timeval next_timeout; | |
1412 | /* Timeout duration */ | |
1413 | unsigned short timeout_duration; | |
1414 | ||
1415 | unsigned int retransmitting; | |
1416 | # ifndef OPENSSL_NO_SCTP | |
1417 | int shutdown_received; | |
1418 | # endif | |
1419 | } DTLS1_STATE; | |
1420 | ||
1421 | ||
1422 | ||
1423 | # ifndef OPENSSL_NO_EC | |
1424 | /* | |
1425 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
1426 | */ | |
1427 | # define EXPLICIT_PRIME_CURVE_TYPE 1 | |
1428 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1429 | # define NAMED_CURVE_TYPE 3 | |
1430 | # endif /* OPENSSL_NO_EC */ | |
1431 | ||
1432 | typedef struct cert_pkey_st { | |
1433 | X509 *x509; | |
1434 | EVP_PKEY *privatekey; | |
1435 | /* Chain for this certificate */ | |
1436 | STACK_OF(X509) *chain; | |
1437 | ||
1438 | /*- | |
1439 | * serverinfo data for this certificate. The data is in TLS Extension | |
1440 | * wire format, specifically it's a series of records like: | |
1441 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1442 | * uint16_t length; | |
1443 | * uint8_t data[length]; | |
1444 | */ | |
1445 | unsigned char *serverinfo; | |
1446 | size_t serverinfo_length; | |
1447 | } CERT_PKEY; | |
1448 | /* Retrieve Suite B flags */ | |
1449 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) | |
1450 | /* Uses to check strict mode: suite B modes are always strict */ | |
1451 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ | |
1452 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
1453 | ||
1454 | typedef struct { | |
1455 | unsigned short ext_type; | |
1456 | /* | |
1457 | * Per-connection flags relating to this extension type: not used if | |
1458 | * part of an SSL_CTX structure. | |
1459 | */ | |
1460 | uint32_t ext_flags; | |
1461 | custom_ext_add_cb add_cb; | |
1462 | custom_ext_free_cb free_cb; | |
1463 | void *add_arg; | |
1464 | custom_ext_parse_cb parse_cb; | |
1465 | void *parse_arg; | |
1466 | } custom_ext_method; | |
1467 | ||
1468 | /* ext_flags values */ | |
1469 | ||
1470 | /* | |
1471 | * Indicates an extension has been received. Used to check for unsolicited or | |
1472 | * duplicate extensions. | |
1473 | */ | |
1474 | # define SSL_EXT_FLAG_RECEIVED 0x1 | |
1475 | /* | |
1476 | * Indicates an extension has been sent: used to enable sending of | |
1477 | * corresponding ServerHello extension. | |
1478 | */ | |
1479 | # define SSL_EXT_FLAG_SENT 0x2 | |
1480 | ||
1481 | typedef struct { | |
1482 | custom_ext_method *meths; | |
1483 | size_t meths_count; | |
1484 | } custom_ext_methods; | |
1485 | ||
1486 | typedef struct cert_st { | |
1487 | /* Current active set */ | |
1488 | /* | |
1489 | * ALWAYS points to an element of the pkeys array | |
1490 | * Probably it would make more sense to store | |
1491 | * an index, not a pointer. | |
1492 | */ | |
1493 | CERT_PKEY *key; | |
1494 | # ifndef OPENSSL_NO_DH | |
1495 | DH *dh_tmp; | |
1496 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); | |
1497 | int dh_tmp_auto; | |
1498 | # endif | |
1499 | /* Flags related to certificates */ | |
1500 | uint32_t cert_flags; | |
1501 | CERT_PKEY pkeys[SSL_PKEY_NUM]; | |
1502 | /* | |
1503 | * Certificate types (received or sent) in certificate request message. | |
1504 | * On receive this is only set if number of certificate types exceeds | |
1505 | * SSL3_CT_NUMBER. | |
1506 | */ | |
1507 | unsigned char *ctypes; | |
1508 | size_t ctype_num; | |
1509 | /* | |
1510 | * suppported signature algorithms. When set on a client this is sent in | |
1511 | * the client hello as the supported signature algorithms extension. For | |
1512 | * servers it represents the signature algorithms we are willing to use. | |
1513 | */ | |
1514 | unsigned char *conf_sigalgs; | |
1515 | /* Size of above array */ | |
1516 | size_t conf_sigalgslen; | |
1517 | /* | |
1518 | * Client authentication signature algorithms, if not set then uses | |
1519 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
1520 | * to the client in a cerificate request for TLS 1.2. On a client this | |
1521 | * represents the signature algortithms we are willing to use for client | |
1522 | * authentication. | |
1523 | */ | |
1524 | unsigned char *client_sigalgs; | |
1525 | /* Size of above array */ | |
1526 | size_t client_sigalgslen; | |
1527 | /* | |
1528 | * Signature algorithms shared by client and server: cached because these | |
1529 | * are used most often. | |
1530 | */ | |
1531 | TLS_SIGALGS *shared_sigalgs; | |
1532 | size_t shared_sigalgslen; | |
1533 | /* | |
1534 | * Certificate setup callback: if set is called whenever a certificate | |
1535 | * may be required (client or server). the callback can then examine any | |
1536 | * appropriate parameters and setup any certificates required. This | |
1537 | * allows advanced applications to select certificates on the fly: for | |
1538 | * example based on supported signature algorithms or curves. | |
1539 | */ | |
1540 | int (*cert_cb) (SSL *ssl, void *arg); | |
1541 | void *cert_cb_arg; | |
1542 | /* | |
1543 | * Optional X509_STORE for chain building or certificate validation If | |
1544 | * NULL the parent SSL_CTX store is used instead. | |
1545 | */ | |
1546 | X509_STORE *chain_store; | |
1547 | X509_STORE *verify_store; | |
1548 | /* Custom extension methods for server and client */ | |
1549 | custom_ext_methods cli_ext; | |
1550 | custom_ext_methods srv_ext; | |
1551 | /* Security callback */ | |
1552 | int (*sec_cb) (SSL *s, SSL_CTX *ctx, int op, int bits, int nid, | |
1553 | void *other, void *ex); | |
1554 | /* Security level */ | |
1555 | int sec_level; | |
1556 | void *sec_ex; | |
1557 | #ifndef OPENSSL_NO_PSK | |
1558 | /* If not NULL psk identity hint to use for servers */ | |
1559 | char *psk_identity_hint; | |
1560 | #endif | |
1561 | int references; /* >1 only if SSL_copy_session_id is used */ | |
1562 | } CERT; | |
1563 | ||
1564 | /* Structure containing decoded values of signature algorithms extension */ | |
1565 | struct tls_sigalgs_st { | |
1566 | /* NID of hash algorithm */ | |
1567 | int hash_nid; | |
1568 | /* NID of signature algorithm */ | |
1569 | int sign_nid; | |
1570 | /* Combined hash and signature NID */ | |
1571 | int signandhash_nid; | |
1572 | /* Raw values used in extension */ | |
1573 | unsigned char rsign; | |
1574 | unsigned char rhash; | |
1575 | }; | |
1576 | ||
1577 | /* | |
1578 | * #define MAC_DEBUG | |
1579 | */ | |
1580 | ||
1581 | /* | |
1582 | * #define ERR_DEBUG | |
1583 | */ | |
1584 | /* | |
1585 | * #define ABORT_DEBUG | |
1586 | */ | |
1587 | /* | |
1588 | * #define PKT_DEBUG 1 | |
1589 | */ | |
1590 | /* | |
1591 | * #define DES_DEBUG | |
1592 | */ | |
1593 | /* | |
1594 | * #define DES_OFB_DEBUG | |
1595 | */ | |
1596 | /* | |
1597 | * #define SSL_DEBUG | |
1598 | */ | |
1599 | /* | |
1600 | * #define RSA_DEBUG | |
1601 | */ | |
1602 | /* | |
1603 | * #define IDEA_DEBUG | |
1604 | */ | |
1605 | ||
1606 | # define FP_ICC (int (*)(const void *,const void *)) | |
1607 | ||
1608 | /* | |
1609 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1610 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1611 | */ | |
1612 | typedef struct ssl3_enc_method { | |
1613 | int (*enc) (SSL *, int); | |
1614 | int (*mac) (SSL *, unsigned char *, int); | |
1615 | int (*setup_key_block) (SSL *); | |
1616 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
1617 | int); | |
1618 | int (*change_cipher_state) (SSL *, int); | |
1619 | int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); | |
1620 | int finish_mac_length; | |
1621 | const char *client_finished_label; | |
1622 | int client_finished_label_len; | |
1623 | const char *server_finished_label; | |
1624 | int server_finished_label_len; | |
1625 | int (*alert_value) (int); | |
1626 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1627 | const char *, size_t, | |
1628 | const unsigned char *, size_t, | |
1629 | int use_context); | |
1630 | /* Various flags indicating protocol version requirements */ | |
1631 | uint32_t enc_flags; | |
1632 | /* Handshake header length */ | |
1633 | unsigned int hhlen; | |
1634 | /* Set the handshake header */ | |
1635 | int (*set_handshake_header) (SSL *s, int type, unsigned long len); | |
1636 | /* Write out handshake message */ | |
1637 | int (*do_write) (SSL *s); | |
1638 | } SSL3_ENC_METHOD; | |
1639 | ||
1640 | # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen | |
1641 | # define ssl_handshake_start(s) \ | |
1642 | (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) | |
1643 | # define ssl_set_handshake_header(s, htype, len) \ | |
1644 | s->method->ssl3_enc->set_handshake_header(s, htype, len) | |
1645 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) | |
1646 | ||
1647 | /* Values for enc_flags */ | |
1648 | ||
1649 | /* Uses explicit IV for CBC mode */ | |
1650 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 | |
1651 | /* Uses signature algorithms extension */ | |
1652 | # define SSL_ENC_FLAG_SIGALGS 0x2 | |
1653 | /* Uses SHA256 default PRF */ | |
1654 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 | |
1655 | /* Is DTLS */ | |
1656 | # define SSL_ENC_FLAG_DTLS 0x8 | |
1657 | /* | |
1658 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1659 | * apply to others in future. | |
1660 | */ | |
1661 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 | |
1662 | ||
1663 | # ifndef OPENSSL_NO_COMP | |
1664 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ | |
1665 | typedef struct ssl3_comp_st { | |
1666 | int comp_id; /* The identifier byte for this compression | |
1667 | * type */ | |
1668 | char *name; /* Text name used for the compression type */ | |
1669 | COMP_METHOD *method; /* The method :-) */ | |
1670 | } SSL3_COMP; | |
1671 | # endif | |
1672 | ||
1673 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; | |
1674 | OPENSSL_EXTERN const SSL_CIPHER ssl3_ciphers[]; | |
1675 | ||
1676 | SSL_METHOD *ssl_bad_method(int ver); | |
1677 | ||
1678 | extern const SSL3_ENC_METHOD TLSv1_enc_data; | |
1679 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1680 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
1681 | extern const SSL3_ENC_METHOD SSLv3_enc_data; | |
1682 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1683 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
1684 | ||
1685 | # define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ | |
1686 | s_get_meth, enc_data) \ | |
1687 | const SSL_METHOD *func_name(void) \ | |
1688 | { \ | |
1689 | static const SSL_METHOD func_name##_data= { \ | |
1690 | version, \ | |
1691 | tls1_new, \ | |
1692 | tls1_clear, \ | |
1693 | tls1_free, \ | |
1694 | s_accept, \ | |
1695 | s_connect, \ | |
1696 | ssl3_read, \ | |
1697 | ssl3_peek, \ | |
1698 | ssl3_write, \ | |
1699 | ssl3_shutdown, \ | |
1700 | ssl3_renegotiate, \ | |
1701 | ssl3_renegotiate_check, \ | |
1702 | ssl3_read_bytes, \ | |
1703 | ssl3_write_bytes, \ | |
1704 | ssl3_dispatch_alert, \ | |
1705 | ssl3_ctrl, \ | |
1706 | ssl3_ctx_ctrl, \ | |
1707 | ssl3_get_cipher_by_char, \ | |
1708 | ssl3_put_cipher_by_char, \ | |
1709 | ssl3_pending, \ | |
1710 | ssl3_num_ciphers, \ | |
1711 | ssl3_get_cipher, \ | |
1712 | s_get_meth, \ | |
1713 | tls1_default_timeout, \ | |
1714 | &enc_data, \ | |
1715 | ssl_undefined_void_function, \ | |
1716 | ssl3_callback_ctrl, \ | |
1717 | ssl3_ctx_callback_ctrl, \ | |
1718 | }; \ | |
1719 | return &func_name##_data; \ | |
1720 | } | |
1721 | ||
1722 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ | |
1723 | const SSL_METHOD *func_name(void) \ | |
1724 | { \ | |
1725 | static const SSL_METHOD func_name##_data= { \ | |
1726 | SSL3_VERSION, \ | |
1727 | ssl3_new, \ | |
1728 | ssl3_clear, \ | |
1729 | ssl3_free, \ | |
1730 | s_accept, \ | |
1731 | s_connect, \ | |
1732 | ssl3_read, \ | |
1733 | ssl3_peek, \ | |
1734 | ssl3_write, \ | |
1735 | ssl3_shutdown, \ | |
1736 | ssl3_renegotiate, \ | |
1737 | ssl3_renegotiate_check, \ | |
1738 | ssl3_read_bytes, \ | |
1739 | ssl3_write_bytes, \ | |
1740 | ssl3_dispatch_alert, \ | |
1741 | ssl3_ctrl, \ | |
1742 | ssl3_ctx_ctrl, \ | |
1743 | ssl3_get_cipher_by_char, \ | |
1744 | ssl3_put_cipher_by_char, \ | |
1745 | ssl3_pending, \ | |
1746 | ssl3_num_ciphers, \ | |
1747 | ssl3_get_cipher, \ | |
1748 | s_get_meth, \ | |
1749 | ssl3_default_timeout, \ | |
1750 | &SSLv3_enc_data, \ | |
1751 | ssl_undefined_void_function, \ | |
1752 | ssl3_callback_ctrl, \ | |
1753 | ssl3_ctx_callback_ctrl, \ | |
1754 | }; \ | |
1755 | return &func_name##_data; \ | |
1756 | } | |
1757 | ||
1758 | # define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \ | |
1759 | s_get_meth, enc_data) \ | |
1760 | const SSL_METHOD *func_name(void) \ | |
1761 | { \ | |
1762 | static const SSL_METHOD func_name##_data= { \ | |
1763 | version, \ | |
1764 | dtls1_new, \ | |
1765 | dtls1_clear, \ | |
1766 | dtls1_free, \ | |
1767 | s_accept, \ | |
1768 | s_connect, \ | |
1769 | ssl3_read, \ | |
1770 | ssl3_peek, \ | |
1771 | ssl3_write, \ | |
1772 | dtls1_shutdown, \ | |
1773 | ssl3_renegotiate, \ | |
1774 | ssl3_renegotiate_check, \ | |
1775 | dtls1_read_bytes, \ | |
1776 | dtls1_write_app_data_bytes, \ | |
1777 | dtls1_dispatch_alert, \ | |
1778 | dtls1_ctrl, \ | |
1779 | ssl3_ctx_ctrl, \ | |
1780 | ssl3_get_cipher_by_char, \ | |
1781 | ssl3_put_cipher_by_char, \ | |
1782 | ssl3_pending, \ | |
1783 | ssl3_num_ciphers, \ | |
1784 | dtls1_get_cipher, \ | |
1785 | s_get_meth, \ | |
1786 | dtls1_default_timeout, \ | |
1787 | &enc_data, \ | |
1788 | ssl_undefined_void_function, \ | |
1789 | ssl3_callback_ctrl, \ | |
1790 | ssl3_ctx_callback_ctrl, \ | |
1791 | }; \ | |
1792 | return &func_name##_data; \ | |
1793 | } | |
1794 | ||
1795 | struct openssl_ssl_test_functions { | |
1796 | int (*p_ssl_init_wbio_buffer) (SSL *s, int push); | |
1797 | int (*p_ssl3_setup_buffers) (SSL *s); | |
1798 | int (*p_tls1_process_heartbeat) (SSL *s, | |
1799 | unsigned char *p, unsigned int length); | |
1800 | int (*p_dtls1_process_heartbeat) (SSL *s, | |
1801 | unsigned char *p, unsigned int length); | |
1802 | }; | |
1803 | ||
1804 | # ifndef OPENSSL_UNIT_TEST | |
1805 | ||
1806 | void ssl_clear_cipher_ctx(SSL *s); | |
1807 | int ssl_clear_bad_session(SSL *s); | |
1808 | __owur CERT *ssl_cert_new(void); | |
1809 | __owur CERT *ssl_cert_dup(CERT *cert); | |
1810 | void ssl_cert_clear_certs(CERT *c); | |
1811 | void ssl_cert_free(CERT *c); | |
1812 | __owur int ssl_get_new_session(SSL *s, int session); | |
1813 | __owur int ssl_get_prev_session(SSL *s, const PACKET *ext, | |
1814 | const PACKET *session_id); | |
1815 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); | |
1816 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); | |
1817 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); | |
1818 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, | |
1819 | const SSL_CIPHER *const *bp); | |
1820 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, | |
1821 | STACK_OF(SSL_CIPHER) **pref, | |
1822 | STACK_OF(SSL_CIPHER) **sorted, | |
1823 | const char *rule_str, CERT *c); | |
1824 | void ssl_update_cache(SSL *s, int mode); | |
1825 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, | |
1826 | const EVP_MD **md, int *mac_pkey_type, | |
1827 | int *mac_secret_size, SSL_COMP **comp, int use_etm); | |
1828 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); | |
1829 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); | |
1830 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1831 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1832 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1833 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1834 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
1835 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
1836 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
1837 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), | |
1838 | void *arg); | |
1839 | ||
1840 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); | |
1841 | __owur int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); | |
1842 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); | |
1843 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); | |
1844 | ||
1845 | __owur int ssl_security(SSL *s, int op, int bits, int nid, void *other); | |
1846 | __owur int ssl_ctx_security(SSL_CTX *ctx, int op, int bits, int nid, void *other); | |
1847 | ||
1848 | int ssl_undefined_function(SSL *s); | |
1849 | __owur int ssl_undefined_void_function(void); | |
1850 | __owur int ssl_undefined_const_function(const SSL *s); | |
1851 | __owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s); | |
1852 | __owur int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, | |
1853 | size_t *serverinfo_length); | |
1854 | __owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); | |
1855 | __owur int ssl_cert_type(X509 *x, EVP_PKEY *pkey); | |
1856 | void ssl_set_masks(SSL *s, const SSL_CIPHER *cipher); | |
1857 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); | |
1858 | __owur int ssl_verify_alarm_type(long type); | |
1859 | void ssl_load_ciphers(void); | |
1860 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); | |
1861 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, | |
1862 | int free_pms); | |
1863 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm, int nid); | |
1864 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey); | |
1865 | ||
1866 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); | |
1867 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); | |
1868 | void ssl3_init_finished_mac(SSL *s); | |
1869 | __owur int ssl3_setup_key_block(SSL *s); | |
1870 | __owur int ssl3_change_cipher_state(SSL *s, int which); | |
1871 | void ssl3_cleanup_key_block(SSL *s); | |
1872 | __owur int ssl3_do_write(SSL *s, int type); | |
1873 | int ssl3_send_alert(SSL *s, int level, int desc); | |
1874 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, | |
1875 | unsigned char *p, int len); | |
1876 | __owur int ssl3_get_req_cert_type(SSL *s, unsigned char *p); | |
1877 | __owur int ssl3_num_ciphers(void); | |
1878 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
1879 | int ssl3_renegotiate(SSL *ssl); | |
1880 | int ssl3_renegotiate_check(SSL *ssl); | |
1881 | __owur int ssl3_dispatch_alert(SSL *s); | |
1882 | __owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, | |
1883 | unsigned char *p); | |
1884 | void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); | |
1885 | void ssl3_free_digest_list(SSL *s); | |
1886 | __owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); | |
1887 | __owur SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, | |
1888 | STACK_OF(SSL_CIPHER) *srvr); | |
1889 | __owur int ssl3_digest_cached_records(SSL *s, int keep); | |
1890 | __owur int ssl3_new(SSL *s); | |
1891 | void ssl3_free(SSL *s); | |
1892 | __owur int ssl3_read(SSL *s, void *buf, int len); | |
1893 | __owur int ssl3_peek(SSL *s, void *buf, int len); | |
1894 | __owur int ssl3_write(SSL *s, const void *buf, int len); | |
1895 | __owur int ssl3_shutdown(SSL *s); | |
1896 | void ssl3_clear(SSL *s); | |
1897 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); | |
1898 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
1899 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
1900 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
1901 | ||
1902 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); | |
1903 | __owur long ssl3_default_timeout(void); | |
1904 | ||
1905 | __owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); | |
1906 | __owur int ssl3_handshake_write(SSL *s); | |
1907 | ||
1908 | __owur int ssl_allow_compression(SSL *s); | |
1909 | ||
1910 | __owur long tls1_default_timeout(void); | |
1911 | __owur int dtls1_do_write(SSL *s, int type); | |
1912 | void dtls1_set_message_header(SSL *s, | |
1913 | unsigned char *p, unsigned char mt, | |
1914 | unsigned long len, | |
1915 | unsigned long frag_off, | |
1916 | unsigned long frag_len); | |
1917 | ||
1918 | __owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); | |
1919 | ||
1920 | __owur int dtls1_read_failed(SSL *s, int code); | |
1921 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
1922 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, | |
1923 | unsigned long frag_off, int *found); | |
1924 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); | |
1925 | int dtls1_retransmit_buffered_messages(SSL *s); | |
1926 | void dtls1_clear_record_buffer(SSL *s); | |
1927 | void dtls1_get_message_header(unsigned char *data, | |
1928 | struct hm_header_st *msg_hdr); | |
1929 | __owur long dtls1_default_timeout(void); | |
1930 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
1931 | __owur int dtls1_check_timeout_num(SSL *s); | |
1932 | __owur int dtls1_handle_timeout(SSL *s); | |
1933 | __owur const SSL_CIPHER *dtls1_get_cipher(unsigned int u); | |
1934 | void dtls1_start_timer(SSL *s); | |
1935 | void dtls1_stop_timer(SSL *s); | |
1936 | __owur int dtls1_is_timer_expired(SSL *s); | |
1937 | void dtls1_double_timeout(SSL *s); | |
1938 | __owur unsigned int dtls_raw_hello_verify_request(unsigned char *buf, | |
1939 | unsigned char *cookie, | |
1940 | unsigned char cookie_len); | |
1941 | __owur int dtls1_send_newsession_ticket(SSL *s); | |
1942 | __owur unsigned int dtls1_min_mtu(SSL *s); | |
1943 | void dtls1_hm_fragment_free(hm_fragment *frag); | |
1944 | __owur int dtls1_query_mtu(SSL *s); | |
1945 | ||
1946 | __owur int tls1_new(SSL *s); | |
1947 | void tls1_free(SSL *s); | |
1948 | void tls1_clear(SSL *s); | |
1949 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); | |
1950 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
1951 | ||
1952 | __owur int dtls1_new(SSL *s); | |
1953 | void dtls1_free(SSL *s); | |
1954 | void dtls1_clear(SSL *s); | |
1955 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); | |
1956 | __owur int dtls1_shutdown(SSL *s); | |
1957 | ||
1958 | __owur int dtls1_dispatch_alert(SSL *s); | |
1959 | ||
1960 | __owur int ssl_init_wbio_buffer(SSL *s, int push); | |
1961 | void ssl_free_wbio_buffer(SSL *s); | |
1962 | ||
1963 | __owur int tls1_change_cipher_state(SSL *s, int which); | |
1964 | __owur int tls1_setup_key_block(SSL *s); | |
1965 | __owur int tls1_final_finish_mac(SSL *s, | |
1966 | const char *str, int slen, unsigned char *p); | |
1967 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, | |
1968 | unsigned char *p, int len); | |
1969 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, | |
1970 | const char *label, size_t llen, | |
1971 | const unsigned char *p, size_t plen, | |
1972 | int use_context); | |
1973 | __owur int tls1_alert_code(int code); | |
1974 | __owur int ssl3_alert_code(int code); | |
1975 | __owur int ssl_ok(SSL *s); | |
1976 | ||
1977 | # ifndef OPENSSL_NO_EC | |
1978 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); | |
1979 | # endif | |
1980 | ||
1981 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); | |
1982 | ||
1983 | # ifndef OPENSSL_NO_EC | |
1984 | __owur int tls1_ec_curve_id2nid(int curve_id); | |
1985 | __owur int tls1_ec_nid2curve_id(int nid); | |
1986 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
1987 | __owur int tls1_shared_curve(SSL *s, int nmatch); | |
1988 | __owur int tls1_set_curves(unsigned char **pext, size_t *pextlen, | |
1989 | int *curves, size_t ncurves); | |
1990 | __owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, | |
1991 | const char *str); | |
1992 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); | |
1993 | # endif /* OPENSSL_NO_EC */ | |
1994 | ||
1995 | __owur int tls1_shared_list(SSL *s, | |
1996 | const unsigned char *l1, size_t l1len, | |
1997 | const unsigned char *l2, size_t l2len, int nmatch); | |
1998 | __owur unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, | |
1999 | unsigned char *limit, int *al); | |
2000 | __owur unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, | |
2001 | unsigned char *limit, int *al); | |
2002 | __owur int ssl_parse_clienthello_tlsext(SSL *s, PACKET *pkt); | |
2003 | void ssl_set_default_md(SSL *s); | |
2004 | __owur int tls1_set_server_sigalgs(SSL *s); | |
2005 | __owur int ssl_check_clienthello_tlsext_late(SSL *s); | |
2006 | __owur int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt); | |
2007 | __owur int ssl_prepare_clienthello_tlsext(SSL *s); | |
2008 | __owur int ssl_prepare_serverhello_tlsext(SSL *s); | |
2009 | ||
2010 | # ifndef OPENSSL_NO_HEARTBEATS | |
2011 | __owur int tls1_heartbeat(SSL *s); | |
2012 | __owur int dtls1_heartbeat(SSL *s); | |
2013 | __owur int tls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length); | |
2014 | __owur int dtls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length); | |
2015 | # endif | |
2016 | ||
2017 | __owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext, | |
2018 | const PACKET *session_id, | |
2019 | SSL_SESSION **ret); | |
2020 | ||
2021 | __owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, | |
2022 | const EVP_MD *md); | |
2023 | __owur int tls12_get_sigid(const EVP_PKEY *pk); | |
2024 | __owur const EVP_MD *tls12_get_hash(unsigned char hash_alg); | |
2025 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); | |
2026 | ||
2027 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); | |
2028 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); | |
2029 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, | |
2030 | int idx); | |
2031 | void tls1_set_cert_validity(SSL *s); | |
2032 | ||
2033 | # ifndef OPENSSL_NO_DH | |
2034 | __owur DH *ssl_get_auto_dh(SSL *s); | |
2035 | # endif | |
2036 | ||
2037 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); | |
2038 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, int vfy); | |
2039 | ||
2040 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); | |
2041 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); | |
2042 | __owur int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, | |
2043 | int maxlen); | |
2044 | __owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, PACKET *pkt, | |
2045 | int *al); | |
2046 | __owur int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, | |
2047 | int maxlen); | |
2048 | __owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, PACKET *pkt, int *al); | |
2049 | __owur long ssl_get_algorithm2(SSL *s); | |
2050 | __owur size_t tls12_copy_sigalgs(SSL *s, unsigned char *out, | |
2051 | const unsigned char *psig, size_t psiglen); | |
2052 | __owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); | |
2053 | __owur int tls1_process_sigalgs(SSL *s); | |
2054 | __owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); | |
2055 | __owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, | |
2056 | const unsigned char *sig, EVP_PKEY *pkey); | |
2057 | void ssl_set_client_disabled(SSL *s); | |
2058 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); | |
2059 | ||
2060 | __owur int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, | |
2061 | int maxlen); | |
2062 | __owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, PACKET *pkt, int *al); | |
2063 | __owur int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, | |
2064 | int maxlen); | |
2065 | __owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, PACKET *pkt, int *al); | |
2066 | ||
2067 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen); | |
2068 | __owur const EVP_MD *ssl_md(int idx); | |
2069 | __owur const EVP_MD *ssl_handshake_md(SSL *s); | |
2070 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
2071 | ||
2072 | /* s3_cbc.c */ | |
2073 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); | |
2074 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, | |
2075 | unsigned char *md_out, | |
2076 | size_t *md_out_size, | |
2077 | const unsigned char header[13], | |
2078 | const unsigned char *data, | |
2079 | size_t data_plus_mac_size, | |
2080 | size_t data_plus_mac_plus_padding_size, | |
2081 | const unsigned char *mac_secret, | |
2082 | unsigned mac_secret_length, char is_sslv3); | |
2083 | ||
2084 | void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, | |
2085 | EVP_MD_CTX *mac_ctx, const unsigned char *data, | |
2086 | size_t data_len, size_t orig_len); | |
2087 | ||
2088 | __owur int srp_generate_server_master_secret(SSL *s); | |
2089 | __owur int srp_generate_client_master_secret(SSL *s); | |
2090 | __owur int srp_verify_server_param(SSL *s, int *al); | |
2091 | ||
2092 | /* t1_ext.c */ | |
2093 | ||
2094 | void custom_ext_init(custom_ext_methods *meths); | |
2095 | ||
2096 | __owur int custom_ext_parse(SSL *s, int server, | |
2097 | unsigned int ext_type, | |
2098 | const unsigned char *ext_data, size_t ext_size, int *al); | |
2099 | __owur int custom_ext_add(SSL *s, int server, | |
2100 | unsigned char **pret, unsigned char *limit, int *al); | |
2101 | ||
2102 | __owur int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); | |
2103 | void custom_exts_free(custom_ext_methods *exts); | |
2104 | ||
2105 | # else | |
2106 | ||
2107 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer | |
2108 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
2109 | # define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat | |
2110 | # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat | |
2111 | ||
2112 | # endif | |
2113 | #endif |