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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/symhacks.h> | |
167 | ||
168 | #ifdef OPENSSL_BUILD_SHLIBSSL | |
169 | # undef OPENSSL_EXTERN | |
170 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
171 | #endif | |
172 | ||
173 | #define PKCS1_CHECK | |
174 | ||
175 | #define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ | |
176 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
177 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
178 | l|=(((unsigned long)(*((c)++)))<<24)) | |
179 | ||
180 | /* NOTE - c is not incremented as per c2l */ | |
181 | #define c2ln(c,l1,l2,n) { \ | |
182 | c+=n; \ | |
183 | l1=l2=0; \ | |
184 | switch (n) { \ | |
185 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
186 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
187 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
188 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
189 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
190 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
191 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
192 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
193 | } \ | |
194 | } | |
195 | ||
196 | #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
197 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
198 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
199 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
200 | ||
201 | #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
202 | l|=((unsigned long)(*((c)++)))<<16, \ | |
203 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
204 | l|=((unsigned long)(*((c)++)))) | |
205 | ||
206 | #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
207 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
208 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
209 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
210 | ||
211 | #define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
212 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
213 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
214 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
215 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
216 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
217 | ||
218 | #define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ | |
219 | l|=((BN_ULLONG)(*((c)++)))<<32, \ | |
220 | l|=((BN_ULLONG)(*((c)++)))<<24, \ | |
221 | l|=((BN_ULLONG)(*((c)++)))<<16, \ | |
222 | l|=((BN_ULLONG)(*((c)++)))<< 8, \ | |
223 | l|=((BN_ULLONG)(*((c)++)))) | |
224 | ||
225 | /* NOTE - c is not incremented as per l2c */ | |
226 | #define l2cn(l1,l2,c,n) { \ | |
227 | c+=n; \ | |
228 | switch (n) { \ | |
229 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
230 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
231 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
232 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
233 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
234 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
235 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
236 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
237 | } \ | |
238 | } | |
239 | ||
240 | #define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ | |
241 | (((unsigned int)(c[1])) )),c+=2) | |
242 | #define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
243 | c[1]=(unsigned char)(((s) )&0xff)),c+=2) | |
244 | ||
245 | #define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ | |
246 | (((unsigned long)(c[1]))<< 8)| \ | |
247 | (((unsigned long)(c[2])) )),c+=3) | |
248 | ||
249 | #define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ | |
250 | c[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
251 | c[2]=(unsigned char)(((l) )&0xff)),c+=3) | |
252 | ||
253 | /* LOCAL STUFF */ | |
254 | ||
255 | #define SSL_DECRYPT 0 | |
256 | #define SSL_ENCRYPT 1 | |
257 | ||
258 | #define TWO_BYTE_BIT 0x80 | |
259 | #define SEC_ESC_BIT 0x40 | |
260 | #define TWO_BYTE_MASK 0x7fff | |
261 | #define THREE_BYTE_MASK 0x3fff | |
262 | ||
263 | #define INC32(a) ((a)=((a)+1)&0xffffffffL) | |
264 | #define DEC32(a) ((a)=((a)-1)&0xffffffffL) | |
265 | #define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ | |
266 | ||
267 | /* | |
268 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
269 | * This bits are used packed as dense as possible. If new methods/ciphers | |
270 | * etc will be added, the bits a likely to change, so this information | |
271 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
272 | * can be publicly accessed. | |
273 | * Use the according functions for cipher management instead. | |
274 | * | |
275 | * The bit mask handling in the selection and sorting scheme in | |
276 | * ssl_create_cipher_list() has only limited capabilities, reflecting | |
277 | * that the different entities within are mutually exclusive: | |
278 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. | |
279 | */ | |
280 | ||
281 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
282 | #define SSL_kRSA 0x00000001L /* RSA key exchange */ | |
283 | #define SSL_kDHr 0x00000002L /* DH cert, RSA CA cert */ /* no such ciphersuites supported! */ | |
284 | #define SSL_kDHd 0x00000004L /* DH cert, DSA CA cert */ /* no such ciphersuite supported! */ | |
285 | #define SSL_kEDH 0x00000008L /* tmp DH key no DH cert */ | |
286 | #define SSL_kKRB5 0x00000010L /* Kerberos5 key exchange */ | |
287 | #define SSL_kECDHr 0x00000020L /* ECDH cert, RSA CA cert */ | |
288 | #define SSL_kECDHe 0x00000040L /* ECDH cert, ECDSA CA cert */ | |
289 | #define SSL_kEECDH 0x00000080L /* ephemeral ECDH */ | |
290 | #define SSL_kPSK 0x00000100L /* PSK */ | |
291 | #define SSL_kGOST 0x00000200L /* GOST key exchange */ | |
292 | ||
293 | /* Bits for algorithm_auth (server authentication) */ | |
294 | #define SSL_aRSA 0x00000001L /* RSA auth */ | |
295 | #define SSL_aDSS 0x00000002L /* DSS auth */ | |
296 | #define SSL_aNULL 0x00000004L /* no auth (i.e. use ADH or AECDH) */ | |
297 | #define SSL_aDH 0x00000008L /* Fixed DH auth (kDHd or kDHr) */ /* no such ciphersuites supported! */ | |
298 | #define SSL_aECDH 0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */ | |
299 | #define SSL_aKRB5 0x00000020L /* KRB5 auth */ | |
300 | #define SSL_aECDSA 0x00000040L /* ECDSA auth*/ | |
301 | #define SSL_aPSK 0x00000080L /* PSK auth */ | |
302 | #define SSL_aGOST94 0x00000100L /* GOST R 34.10-94 signature auth */ | |
303 | #define SSL_aGOST01 0x00000200L /* GOST R 34.10-2001 signature auth */ | |
304 | ||
305 | ||
306 | /* Bits for algorithm_enc (symmetric encryption) */ | |
307 | #define SSL_DES 0x00000001L | |
308 | #define SSL_3DES 0x00000002L | |
309 | #define SSL_RC4 0x00000004L | |
310 | #define SSL_RC2 0x00000008L | |
311 | #define SSL_IDEA 0x00000010L | |
312 | #define SSL_eNULL 0x00000020L | |
313 | #define SSL_AES128 0x00000040L | |
314 | #define SSL_AES256 0x00000080L | |
315 | #define SSL_CAMELLIA128 0x00000100L | |
316 | #define SSL_CAMELLIA256 0x00000200L | |
317 | #define SSL_eGOST2814789CNT 0x00000400L | |
318 | #define SSL_SEED 0x00000800L | |
319 | ||
320 | #define SSL_AES (SSL_AES128|SSL_AES256) | |
321 | #define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) | |
322 | ||
323 | ||
324 | /* Bits for algorithm_mac (symmetric authentication) */ | |
325 | #define SSL_MD5 0x00000001L | |
326 | #define SSL_SHA1 0x00000002L | |
327 | #define SSL_GOST94 0x00000004L | |
328 | #define SSL_GOST89MAC 0x00000008L | |
329 | ||
330 | /* Bits for algorithm_ssl (protocol version) */ | |
331 | #define SSL_SSLV2 0x00000001L | |
332 | #define SSL_SSLV3 0x00000002L | |
333 | #define SSL_TLSV1 SSL_SSLV3 /* for now */ | |
334 | ||
335 | ||
336 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
337 | ||
338 | #define SSL_HANDSHAKE_MAC_MD5 0x10 | |
339 | #define SSL_HANDSHAKE_MAC_SHA 0x20 | |
340 | #define SSL_HANDSHAKE_MAC_GOST94 0x40 | |
341 | #define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) | |
342 | ||
343 | /* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX | |
344 | * make sure to update this constant too */ | |
345 | #define SSL_MAX_DIGEST 4 | |
346 | ||
347 | #define TLS1_PRF_DGST_SHIFT 8 | |
348 | #define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) | |
349 | #define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) | |
350 | #define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) | |
351 | #define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) | |
352 | ||
353 | /* Stream MAC for GOST ciphersuites from cryptopro draft | |
354 | * (currently this also goes into algorithm2) */ | |
355 | #define TLS1_STREAM_MAC 0x04 | |
356 | ||
357 | ||
358 | ||
359 | /* | |
360 | * Export and cipher strength information. For each cipher we have to decide | |
361 | * whether it is exportable or not. This information is likely to change | |
362 | * over time, since the export control rules are no static technical issue. | |
363 | * | |
364 | * Independent of the export flag the cipher strength is sorted into classes. | |
365 | * SSL_EXP40 was denoting the 40bit US export limit of past times, which now | |
366 | * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change | |
367 | * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, | |
368 | * since SSL_EXP64 could be similar to SSL_LOW. | |
369 | * For this reason SSL_MICRO and SSL_MINI macros are included to widen the | |
370 | * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed | |
371 | * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would | |
372 | * be possible. | |
373 | */ | |
374 | #define SSL_EXP_MASK 0x00000003L | |
375 | #define SSL_STRONG_MASK 0x000001fcL | |
376 | ||
377 | #define SSL_NOT_EXP 0x00000001L | |
378 | #define SSL_EXPORT 0x00000002L | |
379 | ||
380 | #define SSL_STRONG_NONE 0x00000004L | |
381 | #define SSL_EXP40 0x00000008L | |
382 | #define SSL_MICRO (SSL_EXP40) | |
383 | #define SSL_EXP56 0x00000010L | |
384 | #define SSL_MINI (SSL_EXP56) | |
385 | #define SSL_LOW 0x00000020L | |
386 | #define SSL_MEDIUM 0x00000040L | |
387 | #define SSL_HIGH 0x00000080L | |
388 | #define SSL_FIPS 0x00000100L | |
389 | ||
390 | /* we have used 000001ff - 23 bits left to go */ | |
391 | ||
392 | /* | |
393 | * Macros to check the export status and cipher strength for export ciphers. | |
394 | * Even though the macros for EXPORT and EXPORT40/56 have similar names, | |
395 | * their meaning is different: | |
396 | * *_EXPORT macros check the 'exportable' status. | |
397 | * *_EXPORT40/56 macros are used to check whether a certain cipher strength | |
398 | * is given. | |
399 | * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct | |
400 | * algorithm structure element to be passed (algorithms, algo_strength) and no | |
401 | * typechecking can be done as they are all of type unsigned long, their | |
402 | * direct usage is discouraged. | |
403 | * Use the SSL_C_* macros instead. | |
404 | */ | |
405 | #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) | |
406 | #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) | |
407 | #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) | |
408 | #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) | |
409 | #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) | |
410 | #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) | |
411 | ||
412 | #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ | |
413 | (a) == SSL_DES ? 8 : 7) | |
414 | #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) | |
415 | #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ | |
416 | (c)->algo_strength) | |
417 | #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) | |
418 | ||
419 | ||
420 | ||
421 | ||
422 | /* Mostly for SSLv3 */ | |
423 | #define SSL_PKEY_RSA_ENC 0 | |
424 | #define SSL_PKEY_RSA_SIGN 1 | |
425 | #define SSL_PKEY_DSA_SIGN 2 | |
426 | #define SSL_PKEY_DH_RSA 3 | |
427 | #define SSL_PKEY_DH_DSA 4 | |
428 | #define SSL_PKEY_ECC 5 | |
429 | #define SSL_PKEY_GOST94 6 | |
430 | #define SSL_PKEY_GOST01 7 | |
431 | #define SSL_PKEY_NUM 8 | |
432 | ||
433 | /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | | |
434 | * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) | |
435 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) | |
436 | * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN | |
437 | * SSL_aRSA <- RSA_ENC | RSA_SIGN | |
438 | * SSL_aDSS <- DSA_SIGN | |
439 | */ | |
440 | ||
441 | /* | |
442 | #define CERT_INVALID 0 | |
443 | #define CERT_PUBLIC_KEY 1 | |
444 | #define CERT_PRIVATE_KEY 2 | |
445 | */ | |
446 | ||
447 | #ifndef OPENSSL_NO_EC | |
448 | /* From ECC-TLS draft, used in encoding the curve type in | |
449 | * ECParameters | |
450 | */ | |
451 | #define EXPLICIT_PRIME_CURVE_TYPE 1 | |
452 | #define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
453 | #define NAMED_CURVE_TYPE 3 | |
454 | #endif /* OPENSSL_NO_EC */ | |
455 | ||
456 | typedef struct cert_pkey_st | |
457 | { | |
458 | X509 *x509; | |
459 | EVP_PKEY *privatekey; | |
460 | } CERT_PKEY; | |
461 | ||
462 | typedef struct cert_st | |
463 | { | |
464 | /* Current active set */ | |
465 | CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array | |
466 | * Probably it would make more sense to store | |
467 | * an index, not a pointer. */ | |
468 | ||
469 | /* The following masks are for the key and auth | |
470 | * algorithms that are supported by the certs below */ | |
471 | int valid; | |
472 | unsigned long mask_k; | |
473 | unsigned long mask_a; | |
474 | unsigned long export_mask_k; | |
475 | unsigned long export_mask_a; | |
476 | #ifndef OPENSSL_NO_RSA | |
477 | RSA *rsa_tmp; | |
478 | RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize); | |
479 | #endif | |
480 | #ifndef OPENSSL_NO_DH | |
481 | DH *dh_tmp; | |
482 | DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize); | |
483 | #endif | |
484 | #ifndef OPENSSL_NO_ECDH | |
485 | EC_KEY *ecdh_tmp; | |
486 | /* Callback for generating ephemeral ECDH keys */ | |
487 | EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize); | |
488 | #endif | |
489 | ||
490 | CERT_PKEY pkeys[SSL_PKEY_NUM]; | |
491 | ||
492 | int references; /* >1 only if SSL_copy_session_id is used */ | |
493 | } CERT; | |
494 | ||
495 | ||
496 | typedef struct sess_cert_st | |
497 | { | |
498 | STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ | |
499 | ||
500 | /* The 'peer_...' members are used only by clients. */ | |
501 | int peer_cert_type; | |
502 | ||
503 | CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */ | |
504 | CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; | |
505 | /* Obviously we don't have the private keys of these, | |
506 | * so maybe we shouldn't even use the CERT_PKEY type here. */ | |
507 | ||
508 | #ifndef OPENSSL_NO_RSA | |
509 | RSA *peer_rsa_tmp; /* not used for SSL 2 */ | |
510 | #endif | |
511 | #ifndef OPENSSL_NO_DH | |
512 | DH *peer_dh_tmp; /* not used for SSL 2 */ | |
513 | #endif | |
514 | #ifndef OPENSSL_NO_ECDH | |
515 | EC_KEY *peer_ecdh_tmp; | |
516 | #endif | |
517 | ||
518 | int references; /* actually always 1 at the moment */ | |
519 | } SESS_CERT; | |
520 | ||
521 | ||
522 | /*#define MAC_DEBUG */ | |
523 | ||
524 | /*#define ERR_DEBUG */ | |
525 | /*#define ABORT_DEBUG */ | |
526 | /*#define PKT_DEBUG 1 */ | |
527 | /*#define DES_DEBUG */ | |
528 | /*#define DES_OFB_DEBUG */ | |
529 | /*#define SSL_DEBUG */ | |
530 | /*#define RSA_DEBUG */ | |
531 | /*#define IDEA_DEBUG */ | |
532 | ||
533 | #define FP_ICC (int (*)(const void *,const void *)) | |
534 | #define ssl_put_cipher_by_char(ssl,ciph,ptr) \ | |
535 | ((ssl)->method->put_cipher_by_char((ciph),(ptr))) | |
536 | #define ssl_get_cipher_by_char(ssl,ptr) \ | |
537 | ((ssl)->method->get_cipher_by_char(ptr)) | |
538 | ||
539 | /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff | |
540 | * It is a bit of a mess of functions, but hell, think of it as | |
541 | * an opaque structure :-) */ | |
542 | typedef struct ssl3_enc_method | |
543 | { | |
544 | int (*enc)(SSL *, int); | |
545 | int (*mac)(SSL *, unsigned char *, int); | |
546 | int (*setup_key_block)(SSL *); | |
547 | int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int); | |
548 | int (*change_cipher_state)(SSL *, int); | |
549 | int (*final_finish_mac)(SSL *, const char *, int, unsigned char *); | |
550 | int finish_mac_length; | |
551 | int (*cert_verify_mac)(SSL *, int, unsigned char *); | |
552 | const char *client_finished_label; | |
553 | int client_finished_label_len; | |
554 | const char *server_finished_label; | |
555 | int server_finished_label_len; | |
556 | int (*alert_value)(int); | |
557 | } SSL3_ENC_METHOD; | |
558 | ||
559 | #ifndef OPENSSL_NO_COMP | |
560 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ | |
561 | typedef struct ssl3_comp_st | |
562 | { | |
563 | int comp_id; /* The identifier byte for this compression type */ | |
564 | char *name; /* Text name used for the compression type */ | |
565 | COMP_METHOD *method; /* The method :-) */ | |
566 | } SSL3_COMP; | |
567 | #endif | |
568 | ||
569 | #ifndef OPENSSL_NO_BUF_FREELISTS | |
570 | typedef struct ssl3_buf_freelist_st | |
571 | { | |
572 | size_t chunklen; | |
573 | unsigned int len; | |
574 | struct ssl3_buf_freelist_entry_st *head; | |
575 | } SSL3_BUF_FREELIST; | |
576 | ||
577 | typedef struct ssl3_buf_freelist_entry_st | |
578 | { | |
579 | struct ssl3_buf_freelist_entry_st *next; | |
580 | } SSL3_BUF_FREELIST_ENTRY; | |
581 | #endif | |
582 | ||
583 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; | |
584 | OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; | |
585 | OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; | |
586 | ||
587 | ||
588 | SSL_METHOD *ssl_bad_method(int ver); | |
589 | ||
590 | extern SSL3_ENC_METHOD TLSv1_enc_data; | |
591 | extern SSL3_ENC_METHOD SSLv3_enc_data; | |
592 | extern SSL3_ENC_METHOD DTLSv1_enc_data; | |
593 | ||
594 | #define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ | |
595 | const SSL_METHOD *func_name(void) \ | |
596 | { \ | |
597 | static const SSL_METHOD func_name##_data= { \ | |
598 | TLS1_VERSION, \ | |
599 | tls1_new, \ | |
600 | tls1_clear, \ | |
601 | tls1_free, \ | |
602 | s_accept, \ | |
603 | s_connect, \ | |
604 | ssl3_read, \ | |
605 | ssl3_peek, \ | |
606 | ssl3_write, \ | |
607 | ssl3_shutdown, \ | |
608 | ssl3_renegotiate, \ | |
609 | ssl3_renegotiate_check, \ | |
610 | ssl3_get_message, \ | |
611 | ssl3_read_bytes, \ | |
612 | ssl3_write_bytes, \ | |
613 | ssl3_dispatch_alert, \ | |
614 | ssl3_ctrl, \ | |
615 | ssl3_ctx_ctrl, \ | |
616 | ssl3_get_cipher_by_char, \ | |
617 | ssl3_put_cipher_by_char, \ | |
618 | ssl3_pending, \ | |
619 | ssl3_num_ciphers, \ | |
620 | ssl3_get_cipher, \ | |
621 | s_get_meth, \ | |
622 | tls1_default_timeout, \ | |
623 | &TLSv1_enc_data, \ | |
624 | ssl_undefined_void_function, \ | |
625 | ssl3_callback_ctrl, \ | |
626 | ssl3_ctx_callback_ctrl, \ | |
627 | }; \ | |
628 | return &func_name##_data; \ | |
629 | } | |
630 | ||
631 | #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ | |
632 | const SSL_METHOD *func_name(void) \ | |
633 | { \ | |
634 | static const SSL_METHOD func_name##_data= { \ | |
635 | SSL3_VERSION, \ | |
636 | ssl3_new, \ | |
637 | ssl3_clear, \ | |
638 | ssl3_free, \ | |
639 | s_accept, \ | |
640 | s_connect, \ | |
641 | ssl3_read, \ | |
642 | ssl3_peek, \ | |
643 | ssl3_write, \ | |
644 | ssl3_shutdown, \ | |
645 | ssl3_renegotiate, \ | |
646 | ssl3_renegotiate_check, \ | |
647 | ssl3_get_message, \ | |
648 | ssl3_read_bytes, \ | |
649 | ssl3_write_bytes, \ | |
650 | ssl3_dispatch_alert, \ | |
651 | ssl3_ctrl, \ | |
652 | ssl3_ctx_ctrl, \ | |
653 | ssl3_get_cipher_by_char, \ | |
654 | ssl3_put_cipher_by_char, \ | |
655 | ssl3_pending, \ | |
656 | ssl3_num_ciphers, \ | |
657 | ssl3_get_cipher, \ | |
658 | s_get_meth, \ | |
659 | ssl3_default_timeout, \ | |
660 | &SSLv3_enc_data, \ | |
661 | ssl_undefined_void_function, \ | |
662 | ssl3_callback_ctrl, \ | |
663 | ssl3_ctx_callback_ctrl, \ | |
664 | }; \ | |
665 | return &func_name##_data; \ | |
666 | } | |
667 | ||
668 | #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ | |
669 | const SSL_METHOD *func_name(void) \ | |
670 | { \ | |
671 | static const SSL_METHOD func_name##_data= { \ | |
672 | TLS1_VERSION, \ | |
673 | tls1_new, \ | |
674 | tls1_clear, \ | |
675 | tls1_free, \ | |
676 | s_accept, \ | |
677 | s_connect, \ | |
678 | ssl23_read, \ | |
679 | ssl23_peek, \ | |
680 | ssl23_write, \ | |
681 | ssl_undefined_function, \ | |
682 | ssl_undefined_function, \ | |
683 | ssl_ok, \ | |
684 | ssl3_get_message, \ | |
685 | ssl3_read_bytes, \ | |
686 | ssl3_write_bytes, \ | |
687 | ssl3_dispatch_alert, \ | |
688 | ssl3_ctrl, \ | |
689 | ssl3_ctx_ctrl, \ | |
690 | ssl23_get_cipher_by_char, \ | |
691 | ssl23_put_cipher_by_char, \ | |
692 | ssl_undefined_const_function, \ | |
693 | ssl23_num_ciphers, \ | |
694 | ssl23_get_cipher, \ | |
695 | s_get_meth, \ | |
696 | ssl23_default_timeout, \ | |
697 | &ssl3_undef_enc_method, \ | |
698 | ssl_undefined_void_function, \ | |
699 | ssl3_callback_ctrl, \ | |
700 | ssl3_ctx_callback_ctrl, \ | |
701 | }; \ | |
702 | return &func_name##_data; \ | |
703 | } | |
704 | ||
705 | #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ | |
706 | const SSL_METHOD *func_name(void) \ | |
707 | { \ | |
708 | static const SSL_METHOD func_name##_data= { \ | |
709 | SSL2_VERSION, \ | |
710 | ssl2_new, /* local */ \ | |
711 | ssl2_clear, /* local */ \ | |
712 | ssl2_free, /* local */ \ | |
713 | s_accept, \ | |
714 | s_connect, \ | |
715 | ssl2_read, \ | |
716 | ssl2_peek, \ | |
717 | ssl2_write, \ | |
718 | ssl2_shutdown, \ | |
719 | ssl_ok, /* NULL - renegotiate */ \ | |
720 | ssl_ok, /* NULL - check renegotiate */ \ | |
721 | NULL, /* NULL - ssl_get_message */ \ | |
722 | NULL, /* NULL - ssl_get_record */ \ | |
723 | NULL, /* NULL - ssl_write_bytes */ \ | |
724 | NULL, /* NULL - dispatch_alert */ \ | |
725 | ssl2_ctrl, /* local */ \ | |
726 | ssl2_ctx_ctrl, /* local */ \ | |
727 | ssl2_get_cipher_by_char, \ | |
728 | ssl2_put_cipher_by_char, \ | |
729 | ssl2_pending, \ | |
730 | ssl2_num_ciphers, \ | |
731 | ssl2_get_cipher, \ | |
732 | s_get_meth, \ | |
733 | ssl2_default_timeout, \ | |
734 | &ssl3_undef_enc_method, \ | |
735 | ssl_undefined_void_function, \ | |
736 | ssl2_callback_ctrl, /* local */ \ | |
737 | ssl2_ctx_callback_ctrl, /* local */ \ | |
738 | }; \ | |
739 | return &func_name##_data; \ | |
740 | } | |
741 | ||
742 | #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ | |
743 | const SSL_METHOD *func_name(void) \ | |
744 | { \ | |
745 | static const SSL_METHOD func_name##_data= { \ | |
746 | DTLS1_VERSION, \ | |
747 | dtls1_new, \ | |
748 | dtls1_clear, \ | |
749 | dtls1_free, \ | |
750 | s_accept, \ | |
751 | s_connect, \ | |
752 | ssl3_read, \ | |
753 | ssl3_peek, \ | |
754 | ssl3_write, \ | |
755 | ssl3_shutdown, \ | |
756 | ssl3_renegotiate, \ | |
757 | ssl3_renegotiate_check, \ | |
758 | dtls1_get_message, \ | |
759 | dtls1_read_bytes, \ | |
760 | dtls1_write_app_data_bytes, \ | |
761 | dtls1_dispatch_alert, \ | |
762 | ssl3_ctrl, \ | |
763 | ssl3_ctx_ctrl, \ | |
764 | ssl3_get_cipher_by_char, \ | |
765 | ssl3_put_cipher_by_char, \ | |
766 | ssl3_pending, \ | |
767 | ssl3_num_ciphers, \ | |
768 | dtls1_get_cipher, \ | |
769 | s_get_meth, \ | |
770 | dtls1_default_timeout, \ | |
771 | &DTLSv1_enc_data, \ | |
772 | ssl_undefined_void_function, \ | |
773 | ssl3_callback_ctrl, \ | |
774 | ssl3_ctx_callback_ctrl, \ | |
775 | }; \ | |
776 | return &func_name##_data; \ | |
777 | } | |
778 | ||
779 | void ssl_clear_cipher_ctx(SSL *s); | |
780 | int ssl_clear_bad_session(SSL *s); | |
781 | CERT *ssl_cert_new(void); | |
782 | CERT *ssl_cert_dup(CERT *cert); | |
783 | int ssl_cert_inst(CERT **o); | |
784 | void ssl_cert_free(CERT *c); | |
785 | SESS_CERT *ssl_sess_cert_new(void); | |
786 | void ssl_sess_cert_free(SESS_CERT *sc); | |
787 | int ssl_set_peer_cert_type(SESS_CERT *c, int type); | |
788 | int ssl_get_new_session(SSL *s, int session); | |
789 | int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit); | |
790 | int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b); | |
791 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, | |
792 | ssl_cipher_id); | |
793 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, | |
794 | const SSL_CIPHER * const *bp); | |
795 | STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, | |
796 | STACK_OF(SSL_CIPHER) **skp); | |
797 | int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, | |
798 | int (*put_cb)(const SSL_CIPHER *, unsigned char *)); | |
799 | STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, | |
800 | STACK_OF(SSL_CIPHER) **pref, | |
801 | STACK_OF(SSL_CIPHER) **sorted, | |
802 | const char *rule_str); | |
803 | void ssl_update_cache(SSL *s, int mode); | |
804 | int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc, | |
805 | const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp); | |
806 | int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md); | |
807 | int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk); | |
808 | int ssl_undefined_function(SSL *s); | |
809 | int ssl_undefined_void_function(void); | |
810 | int ssl_undefined_const_function(const SSL *s); | |
811 | X509 *ssl_get_server_send_cert(SSL *); | |
812 | EVP_PKEY *ssl_get_sign_pkey(SSL *,const SSL_CIPHER *); | |
813 | int ssl_cert_type(X509 *x,EVP_PKEY *pkey); | |
814 | void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); | |
815 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); | |
816 | int ssl_verify_alarm_type(long type); | |
817 | void ssl_load_ciphers(void); | |
818 | ||
819 | int ssl2_enc_init(SSL *s, int client); | |
820 | int ssl2_generate_key_material(SSL *s); | |
821 | void ssl2_enc(SSL *s,int send_data); | |
822 | void ssl2_mac(SSL *s,unsigned char *mac,int send_data); | |
823 | const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); | |
824 | int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); | |
825 | int ssl2_part_read(SSL *s, unsigned long f, int i); | |
826 | int ssl2_do_write(SSL *s); | |
827 | int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data); | |
828 | void ssl2_return_error(SSL *s,int reason); | |
829 | void ssl2_write_error(SSL *s); | |
830 | int ssl2_num_ciphers(void); | |
831 | const SSL_CIPHER *ssl2_get_cipher(unsigned int u); | |
832 | int ssl2_new(SSL *s); | |
833 | void ssl2_free(SSL *s); | |
834 | int ssl2_accept(SSL *s); | |
835 | int ssl2_connect(SSL *s); | |
836 | int ssl2_read(SSL *s, void *buf, int len); | |
837 | int ssl2_peek(SSL *s, void *buf, int len); | |
838 | int ssl2_write(SSL *s, const void *buf, int len); | |
839 | int ssl2_shutdown(SSL *s); | |
840 | void ssl2_clear(SSL *s); | |
841 | long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg); | |
842 | long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); | |
843 | long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); | |
844 | long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); | |
845 | int ssl2_pending(const SSL *s); | |
846 | long ssl2_default_timeout(void ); | |
847 | ||
848 | const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); | |
849 | int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); | |
850 | void ssl3_init_finished_mac(SSL *s); | |
851 | int ssl3_send_server_certificate(SSL *s); | |
852 | int ssl3_send_newsession_ticket(SSL *s); | |
853 | int ssl3_send_cert_status(SSL *s); | |
854 | int ssl3_get_finished(SSL *s,int state_a,int state_b); | |
855 | int ssl3_setup_key_block(SSL *s); | |
856 | int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b); | |
857 | int ssl3_change_cipher_state(SSL *s,int which); | |
858 | void ssl3_cleanup_key_block(SSL *s); | |
859 | int ssl3_do_write(SSL *s,int type); | |
860 | void ssl3_send_alert(SSL *s,int level, int desc); | |
861 | int ssl3_generate_master_secret(SSL *s, unsigned char *out, | |
862 | unsigned char *p, int len); | |
863 | int ssl3_get_req_cert_type(SSL *s,unsigned char *p); | |
864 | long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); | |
865 | int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen); | |
866 | int ssl3_num_ciphers(void); | |
867 | const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
868 | int ssl3_renegotiate(SSL *ssl); | |
869 | int ssl3_renegotiate_check(SSL *ssl); | |
870 | int ssl3_dispatch_alert(SSL *s); | |
871 | int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); | |
872 | int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); | |
873 | int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p); | |
874 | int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); | |
875 | void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); | |
876 | int ssl3_enc(SSL *s, int send_data); | |
877 | int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); | |
878 | void ssl3_free_digest_list(SSL *s); | |
879 | unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); | |
880 | SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt, | |
881 | STACK_OF(SSL_CIPHER) *srvr); | |
882 | int ssl3_setup_buffers(SSL *s); | |
883 | int ssl3_setup_read_buffer(SSL *s); | |
884 | int ssl3_setup_write_buffer(SSL *s); | |
885 | int ssl3_release_read_buffer(SSL *s); | |
886 | int ssl3_release_write_buffer(SSL *s); | |
887 | int ssl3_digest_cached_records(SSL *s); | |
888 | int ssl3_new(SSL *s); | |
889 | void ssl3_free(SSL *s); | |
890 | int ssl3_accept(SSL *s); | |
891 | int ssl3_connect(SSL *s); | |
892 | int ssl3_read(SSL *s, void *buf, int len); | |
893 | int ssl3_peek(SSL *s, void *buf, int len); | |
894 | int ssl3_write(SSL *s, const void *buf, int len); | |
895 | int ssl3_shutdown(SSL *s); | |
896 | void ssl3_clear(SSL *s); | |
897 | long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg); | |
898 | long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); | |
899 | long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); | |
900 | long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); | |
901 | int ssl3_pending(const SSL *s); | |
902 | ||
903 | void ssl3_record_sequence_update(unsigned char *seq); | |
904 | int ssl3_do_change_cipher_spec(SSL *ssl); | |
905 | long ssl3_default_timeout(void ); | |
906 | ||
907 | int ssl23_num_ciphers(void ); | |
908 | const SSL_CIPHER *ssl23_get_cipher(unsigned int u); | |
909 | int ssl23_read(SSL *s, void *buf, int len); | |
910 | int ssl23_peek(SSL *s, void *buf, int len); | |
911 | int ssl23_write(SSL *s, const void *buf, int len); | |
912 | int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); | |
913 | const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); | |
914 | long ssl23_default_timeout(void ); | |
915 | ||
916 | long tls1_default_timeout(void); | |
917 | int dtls1_do_write(SSL *s,int type); | |
918 | int ssl3_read_n(SSL *s, int n, int max, int extend); | |
919 | int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); | |
920 | int ssl3_do_compress(SSL *ssl); | |
921 | int ssl3_do_uncompress(SSL *ssl); | |
922 | int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, | |
923 | unsigned int len); | |
924 | unsigned char *dtls1_set_message_header(SSL *s, | |
925 | unsigned char *p, unsigned char mt, unsigned long len, | |
926 | unsigned long frag_off, unsigned long frag_len); | |
927 | ||
928 | int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); | |
929 | int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); | |
930 | ||
931 | int dtls1_send_change_cipher_spec(SSL *s, int a, int b); | |
932 | int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); | |
933 | unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); | |
934 | int dtls1_read_failed(SSL *s, int code); | |
935 | int dtls1_buffer_message(SSL *s, int ccs); | |
936 | int dtls1_retransmit_message(SSL *s, unsigned short seq, | |
937 | unsigned long frag_off, int *found); | |
938 | void dtls1_clear_record_buffer(SSL *s); | |
939 | void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); | |
940 | void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); | |
941 | void dtls1_reset_seq_numbers(SSL *s, int rw); | |
942 | long dtls1_default_timeout(void); | |
943 | const SSL_CIPHER *dtls1_get_cipher(unsigned int u); | |
944 | ||
945 | ||
946 | /* some client-only functions */ | |
947 | int ssl3_client_hello(SSL *s); | |
948 | int ssl3_get_server_hello(SSL *s); | |
949 | int ssl3_get_certificate_request(SSL *s); | |
950 | int ssl3_get_new_session_ticket(SSL *s); | |
951 | int ssl3_get_cert_status(SSL *s); | |
952 | int ssl3_get_server_done(SSL *s); | |
953 | int ssl3_send_client_verify(SSL *s); | |
954 | int ssl3_send_client_certificate(SSL *s); | |
955 | int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); | |
956 | int ssl3_send_client_key_exchange(SSL *s); | |
957 | int ssl3_get_key_exchange(SSL *s); | |
958 | int ssl3_get_server_certificate(SSL *s); | |
959 | int ssl3_check_cert_and_algorithm(SSL *s); | |
960 | ||
961 | int dtls1_client_hello(SSL *s); | |
962 | int dtls1_send_client_certificate(SSL *s); | |
963 | int dtls1_send_client_key_exchange(SSL *s); | |
964 | int dtls1_send_client_verify(SSL *s); | |
965 | ||
966 | /* some server-only functions */ | |
967 | int ssl3_get_client_hello(SSL *s); | |
968 | int ssl3_send_server_hello(SSL *s); | |
969 | int ssl3_send_hello_request(SSL *s); | |
970 | int ssl3_send_server_key_exchange(SSL *s); | |
971 | int ssl3_send_certificate_request(SSL *s); | |
972 | int ssl3_send_server_done(SSL *s); | |
973 | int ssl3_check_client_hello(SSL *s); | |
974 | int ssl3_get_client_certificate(SSL *s); | |
975 | int ssl3_get_client_key_exchange(SSL *s); | |
976 | int ssl3_get_cert_verify(SSL *s); | |
977 | ||
978 | int dtls1_send_hello_request(SSL *s); | |
979 | int dtls1_send_server_hello(SSL *s); | |
980 | int dtls1_send_server_certificate(SSL *s); | |
981 | int dtls1_send_server_key_exchange(SSL *s); | |
982 | int dtls1_send_certificate_request(SSL *s); | |
983 | int dtls1_send_server_done(SSL *s); | |
984 | ||
985 | ||
986 | ||
987 | int ssl23_accept(SSL *s); | |
988 | int ssl23_connect(SSL *s); | |
989 | int ssl23_read_bytes(SSL *s, int n); | |
990 | int ssl23_write_bytes(SSL *s); | |
991 | ||
992 | int tls1_new(SSL *s); | |
993 | void tls1_free(SSL *s); | |
994 | void tls1_clear(SSL *s); | |
995 | long tls1_ctrl(SSL *s,int cmd, long larg, void *parg); | |
996 | long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); | |
997 | ||
998 | int dtls1_new(SSL *s); | |
999 | int dtls1_accept(SSL *s); | |
1000 | int dtls1_connect(SSL *s); | |
1001 | void dtls1_free(SSL *s); | |
1002 | void dtls1_clear(SSL *s); | |
1003 | long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg); | |
1004 | ||
1005 | long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); | |
1006 | int dtls1_get_record(SSL *s); | |
1007 | int do_dtls1_write(SSL *s, int type, const unsigned char *buf, | |
1008 | unsigned int len, int create_empty_fragement); | |
1009 | int dtls1_dispatch_alert(SSL *s); | |
1010 | int dtls1_enc(SSL *s, int snd); | |
1011 | ||
1012 | int ssl_init_wbio_buffer(SSL *s, int push); | |
1013 | void ssl_free_wbio_buffer(SSL *s); | |
1014 | ||
1015 | int tls1_change_cipher_state(SSL *s, int which); | |
1016 | int tls1_setup_key_block(SSL *s); | |
1017 | int tls1_enc(SSL *s, int snd); | |
1018 | int tls1_final_finish_mac(SSL *s, | |
1019 | const char *str, int slen, unsigned char *p); | |
1020 | int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); | |
1021 | int tls1_mac(SSL *ssl, unsigned char *md, int snd); | |
1022 | int tls1_generate_master_secret(SSL *s, unsigned char *out, | |
1023 | unsigned char *p, int len); | |
1024 | int tls1_alert_code(int code); | |
1025 | int ssl3_alert_code(int code); | |
1026 | int ssl_ok(SSL *s); | |
1027 | ||
1028 | #ifndef OPENSSL_NO_ECDH | |
1029 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs); | |
1030 | #endif | |
1031 | ||
1032 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); | |
1033 | ||
1034 | #ifndef OPENSSL_NO_EC | |
1035 | int tls1_ec_curve_id2nid(int curve_id); | |
1036 | int tls1_ec_nid2curve_id(int nid); | |
1037 | #endif /* OPENSSL_NO_EC */ | |
1038 | ||
1039 | #ifndef OPENSSL_NO_TLSEXT | |
1040 | unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); | |
1041 | unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); | |
1042 | int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); | |
1043 | int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); | |
1044 | int ssl_prepare_clienthello_tlsext(SSL *s); | |
1045 | int ssl_prepare_serverhello_tlsext(SSL *s); | |
1046 | int ssl_check_clienthello_tlsext(SSL *s); | |
1047 | int ssl_check_serverhello_tlsext(SSL *s); | |
1048 | #ifdef OPENSSL_NO_SHA256 | |
1049 | #define tlsext_tick_md EVP_sha1 | |
1050 | #else | |
1051 | #define tlsext_tick_md EVP_sha256 | |
1052 | #endif | |
1053 | int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, | |
1054 | const unsigned char *limit, SSL_SESSION **ret); | |
1055 | #endif | |
1056 | EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ; | |
1057 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); | |
1058 | #endif |