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d02b48c6 | 1 | /* ssl/ssl_ciph.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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 | */ | |
675f605d | 58 | /* ==================================================================== |
52b8dad8 | 59 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
675f605d BM |
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 | */ | |
ea262260 BM |
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 | */ | |
ddac1974 NL |
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 | ||
d02b48c6 | 143 | #include <stdio.h> |
ec577822 | 144 | #include <openssl/objects.h> |
fceac0bc | 145 | #ifndef OPENSSL_NO_COMP |
ec577822 | 146 | #include <openssl/comp.h> |
fceac0bc | 147 | #endif |
70531c14 | 148 | #ifndef OPENSSL_NO_ENGINE |
b948e2c5 | 149 | #include <openssl/engine.h> |
70531c14 | 150 | #endif |
d02b48c6 RE |
151 | #include "ssl_locl.h" |
152 | ||
153 | #define SSL_ENC_DES_IDX 0 | |
154 | #define SSL_ENC_3DES_IDX 1 | |
155 | #define SSL_ENC_RC4_IDX 2 | |
156 | #define SSL_ENC_RC2_IDX 3 | |
157 | #define SSL_ENC_IDEA_IDX 4 | |
89bbe14c BM |
158 | #define SSL_ENC_NULL_IDX 5 |
159 | #define SSL_ENC_AES128_IDX 6 | |
160 | #define SSL_ENC_AES256_IDX 7 | |
161 | #define SSL_ENC_CAMELLIA128_IDX 8 | |
162 | #define SSL_ENC_CAMELLIA256_IDX 9 | |
9981a51e | 163 | #define SSL_ENC_GOST89_IDX 10 |
96afc1cf | 164 | #define SSL_ENC_SEED_IDX 11 |
28dd49fa DSH |
165 | #define SSL_ENC_AES128GCM_IDX 12 |
166 | #define SSL_ENC_AES256GCM_IDX 13 | |
167 | #define SSL_ENC_NUM_IDX 14 | |
f3dea9a5 | 168 | |
d02b48c6 | 169 | |
e778802f | 170 | static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]={ |
28dd49fa | 171 | NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL |
d02b48c6 RE |
172 | }; |
173 | ||
7ba666fa RL |
174 | #define SSL_COMP_NULL_IDX 0 |
175 | #define SSL_COMP_ZLIB_IDX 1 | |
176 | #define SSL_COMP_NUM_IDX 2 | |
177 | ||
f73e07cf | 178 | static STACK_OF(SSL_COMP) *ssl_comp_methods=NULL; |
413c4f45 | 179 | |
d02b48c6 | 180 | #define SSL_MD_MD5_IDX 0 |
58964a49 | 181 | #define SSL_MD_SHA1_IDX 1 |
b948e2c5 DSH |
182 | #define SSL_MD_GOST94_IDX 2 |
183 | #define SSL_MD_GOST89MAC_IDX 3 | |
7409d7ad | 184 | #define SSL_MD_SHA256_IDX 4 |
d09677ac | 185 | #define SSL_MD_SHA384_IDX 5 |
81025661 DSH |
186 | /*Constant SSL_MAX_DIGEST equal to size of digests array should be |
187 | * defined in the | |
188 | * ssl_locl.h */ | |
189 | #define SSL_MD_NUM_IDX SSL_MAX_DIGEST | |
e778802f | 190 | static const EVP_MD *ssl_digest_methods[SSL_MD_NUM_IDX]={ |
d09677ac | 191 | NULL,NULL,NULL,NULL,NULL,NULL |
b948e2c5 DSH |
192 | }; |
193 | /* PKEY_TYPE for GOST89MAC is known in advance, but, because | |
194 | * implementation is engine-provided, we'll fill it only if | |
195 | * corresponding EVP_PKEY_METHOD is found | |
196 | */ | |
197 | static int ssl_mac_pkey_id[SSL_MD_NUM_IDX]={ | |
d09677ac DSH |
198 | EVP_PKEY_HMAC,EVP_PKEY_HMAC,EVP_PKEY_HMAC,NID_undef, |
199 | EVP_PKEY_HMAC,EVP_PKEY_HMAC | |
b948e2c5 DSH |
200 | }; |
201 | ||
202 | static int ssl_mac_secret_size[SSL_MD_NUM_IDX]={ | |
d09677ac | 203 | 0,0,0,0,0,0 |
d02b48c6 RE |
204 | }; |
205 | ||
81025661 DSH |
206 | static int ssl_handshake_digest_flag[SSL_MD_NUM_IDX]={ |
207 | SSL_HANDSHAKE_MAC_MD5,SSL_HANDSHAKE_MAC_SHA, | |
d09677ac DSH |
208 | SSL_HANDSHAKE_MAC_GOST94, 0, SSL_HANDSHAKE_MAC_SHA256, |
209 | SSL_HANDSHAKE_MAC_SHA384 | |
81025661 DSH |
210 | }; |
211 | ||
d02b48c6 RE |
212 | #define CIPHER_ADD 1 |
213 | #define CIPHER_KILL 2 | |
214 | #define CIPHER_DEL 3 | |
58964a49 | 215 | #define CIPHER_ORD 4 |
018e57c7 | 216 | #define CIPHER_SPECIAL 5 |
d02b48c6 | 217 | |
58964a49 RE |
218 | typedef struct cipher_order_st |
219 | { | |
babb3798 | 220 | const SSL_CIPHER *cipher; |
58964a49 RE |
221 | int active; |
222 | int dead; | |
223 | struct cipher_order_st *next,*prev; | |
224 | } CIPHER_ORDER; | |
225 | ||
018e57c7 | 226 | static const SSL_CIPHER cipher_aliases[]={ |
ed3ecd80 | 227 | /* "ALL" doesn't include eNULL (must be specifically enabled) */ |
52b8dad8 | 228 | {0,SSL_TXT_ALL,0, 0,0,~SSL_eNULL,0,0,0,0,0,0}, |
89bbe14c | 229 | /* "COMPLEMENTOFALL" */ |
52b8dad8 | 230 | {0,SSL_TXT_CMPALL,0, 0,0,SSL_eNULL,0,0,0,0,0,0}, |
89bbe14c BM |
231 | |
232 | /* "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in ALL!) */ | |
52b8dad8 | 233 | {0,SSL_TXT_CMPDEF,0, SSL_kEDH|SSL_kEECDH,SSL_aNULL,~SSL_eNULL,0,0,0,0,0,0}, |
89bbe14c | 234 | |
52b8dad8 BM |
235 | /* key exchange aliases |
236 | * (some of those using only a single bit here combine | |
237 | * multiple key exchange algs according to the RFCs, | |
89bbe14c | 238 | * e.g. kEDH combines DHE_DSS and DHE_RSA) */ |
52b8dad8 BM |
239 | {0,SSL_TXT_kRSA,0, SSL_kRSA, 0,0,0,0,0,0,0,0}, |
240 | ||
8e1dc4d7 DSH |
241 | {0,SSL_TXT_kDHr,0, SSL_kDHr, 0,0,0,0,0,0,0,0}, |
242 | {0,SSL_TXT_kDHd,0, SSL_kDHd, 0,0,0,0,0,0,0,0}, | |
243 | {0,SSL_TXT_kDH,0, SSL_kDHr|SSL_kDHd,0,0,0,0,0,0,0,0}, | |
52b8dad8 BM |
244 | {0,SSL_TXT_kEDH,0, SSL_kEDH, 0,0,0,0,0,0,0,0}, |
245 | {0,SSL_TXT_DH,0, SSL_kDHr|SSL_kDHd|SSL_kEDH,0,0,0,0,0,0,0,0}, | |
246 | ||
247 | {0,SSL_TXT_kKRB5,0, SSL_kKRB5, 0,0,0,0,0,0,0,0}, | |
248 | ||
249 | {0,SSL_TXT_kECDHr,0, SSL_kECDHr,0,0,0,0,0,0,0,0}, | |
250 | {0,SSL_TXT_kECDHe,0, SSL_kECDHe,0,0,0,0,0,0,0,0}, | |
251 | {0,SSL_TXT_kECDH,0, SSL_kECDHr|SSL_kECDHe,0,0,0,0,0,0,0,0}, | |
252 | {0,SSL_TXT_kEECDH,0, SSL_kEECDH,0,0,0,0,0,0,0,0}, | |
253 | {0,SSL_TXT_ECDH,0, SSL_kECDHr|SSL_kECDHe|SSL_kEECDH,0,0,0,0,0,0,0,0}, | |
254 | ||
255 | {0,SSL_TXT_kPSK,0, SSL_kPSK, 0,0,0,0,0,0,0,0}, | |
edc032b5 | 256 | {0,SSL_TXT_kSRP,0, SSL_kSRP, 0,0,0,0,0,0,0,0}, |
0e1dba93 | 257 | {0,SSL_TXT_kGOST,0, SSL_kGOST,0,0,0,0,0,0,0,0}, |
52b8dad8 BM |
258 | |
259 | /* server authentication aliases */ | |
260 | {0,SSL_TXT_aRSA,0, 0,SSL_aRSA, 0,0,0,0,0,0,0}, | |
261 | {0,SSL_TXT_aDSS,0, 0,SSL_aDSS, 0,0,0,0,0,0,0}, | |
262 | {0,SSL_TXT_DSS,0, 0,SSL_aDSS, 0,0,0,0,0,0,0}, | |
263 | {0,SSL_TXT_aKRB5,0, 0,SSL_aKRB5, 0,0,0,0,0,0,0}, | |
264 | {0,SSL_TXT_aNULL,0, 0,SSL_aNULL, 0,0,0,0,0,0,0}, | |
265 | {0,SSL_TXT_aDH,0, 0,SSL_aDH, 0,0,0,0,0,0,0}, /* no such ciphersuites supported! */ | |
266 | {0,SSL_TXT_aECDH,0, 0,SSL_aECDH, 0,0,0,0,0,0,0}, | |
267 | {0,SSL_TXT_aECDSA,0, 0,SSL_aECDSA,0,0,0,0,0,0,0}, | |
268 | {0,SSL_TXT_ECDSA,0, 0,SSL_aECDSA, 0,0,0,0,0,0,0}, | |
269 | {0,SSL_TXT_aPSK,0, 0,SSL_aPSK, 0,0,0,0,0,0,0}, | |
0e1dba93 DSH |
270 | {0,SSL_TXT_aGOST94,0,0,SSL_aGOST94,0,0,0,0,0,0,0}, |
271 | {0,SSL_TXT_aGOST01,0,0,SSL_aGOST01,0,0,0,0,0,0,0}, | |
272 | {0,SSL_TXT_aGOST,0,0,SSL_aGOST94|SSL_aGOST01,0,0,0,0,0,0,0}, | |
52b8dad8 BM |
273 | |
274 | /* aliases combining key exchange and server authentication */ | |
275 | {0,SSL_TXT_EDH,0, SSL_kEDH,~SSL_aNULL,0,0,0,0,0,0,0}, | |
276 | {0,SSL_TXT_EECDH,0, SSL_kEECDH,~SSL_aNULL,0,0,0,0,0,0,0}, | |
277 | {0,SSL_TXT_NULL,0, 0,0,SSL_eNULL, 0,0,0,0,0,0}, | |
278 | {0,SSL_TXT_KRB5,0, SSL_kKRB5,SSL_aKRB5,0,0,0,0,0,0,0}, | |
279 | {0,SSL_TXT_RSA,0, SSL_kRSA,SSL_aRSA,0,0,0,0,0,0,0}, | |
280 | {0,SSL_TXT_ADH,0, SSL_kEDH,SSL_aNULL,0,0,0,0,0,0,0}, | |
281 | {0,SSL_TXT_AECDH,0, SSL_kEECDH,SSL_aNULL,0,0,0,0,0,0,0}, | |
282 | {0,SSL_TXT_PSK,0, SSL_kPSK,SSL_aPSK,0,0,0,0,0,0,0}, | |
edc032b5 | 283 | {0,SSL_TXT_SRP,0, SSL_kSRP,0,0,0,0,0,0,0,0}, |
52b8dad8 BM |
284 | |
285 | ||
286 | /* symmetric encryption aliases */ | |
287 | {0,SSL_TXT_DES,0, 0,0,SSL_DES, 0,0,0,0,0,0}, | |
288 | {0,SSL_TXT_3DES,0, 0,0,SSL_3DES, 0,0,0,0,0,0}, | |
289 | {0,SSL_TXT_RC4,0, 0,0,SSL_RC4, 0,0,0,0,0,0}, | |
290 | {0,SSL_TXT_RC2,0, 0,0,SSL_RC2, 0,0,0,0,0,0}, | |
291 | {0,SSL_TXT_IDEA,0, 0,0,SSL_IDEA, 0,0,0,0,0,0}, | |
96afc1cf | 292 | {0,SSL_TXT_SEED,0, 0,0,SSL_SEED, 0,0,0,0,0,0}, |
52b8dad8 | 293 | {0,SSL_TXT_eNULL,0, 0,0,SSL_eNULL, 0,0,0,0,0,0}, |
28dd49fa DSH |
294 | {0,SSL_TXT_AES128,0, 0,0,SSL_AES128|SSL_AES128GCM,0,0,0,0,0,0}, |
295 | {0,SSL_TXT_AES256,0, 0,0,SSL_AES256|SSL_AES256GCM,0,0,0,0,0,0}, | |
296 | {0,SSL_TXT_AES,0, 0,0,SSL_AES,0,0,0,0,0,0}, | |
297 | {0,SSL_TXT_AES_GCM,0, 0,0,SSL_AES128GCM|SSL_AES256GCM,0,0,0,0,0,0}, | |
52b8dad8 BM |
298 | {0,SSL_TXT_CAMELLIA128,0,0,0,SSL_CAMELLIA128,0,0,0,0,0,0}, |
299 | {0,SSL_TXT_CAMELLIA256,0,0,0,SSL_CAMELLIA256,0,0,0,0,0,0}, | |
300 | {0,SSL_TXT_CAMELLIA ,0,0,0,SSL_CAMELLIA128|SSL_CAMELLIA256,0,0,0,0,0,0}, | |
301 | ||
302 | /* MAC aliases */ | |
303 | {0,SSL_TXT_MD5,0, 0,0,0,SSL_MD5, 0,0,0,0,0}, | |
304 | {0,SSL_TXT_SHA1,0, 0,0,0,SSL_SHA1, 0,0,0,0,0}, | |
305 | {0,SSL_TXT_SHA,0, 0,0,0,SSL_SHA1, 0,0,0,0,0}, | |
b948e2c5 DSH |
306 | {0,SSL_TXT_GOST94,0, 0,0,0,SSL_GOST94, 0,0,0,0,0}, |
307 | {0,SSL_TXT_GOST89MAC,0, 0,0,0,SSL_GOST89MAC, 0,0,0,0,0}, | |
7409d7ad | 308 | {0,SSL_TXT_SHA256,0, 0,0,0,SSL_SHA256, 0,0,0,0,0}, |
d09677ac | 309 | {0,SSL_TXT_SHA384,0, 0,0,0,SSL_SHA384, 0,0,0,0,0}, |
52b8dad8 BM |
310 | |
311 | /* protocol version aliases */ | |
312 | {0,SSL_TXT_SSLV2,0, 0,0,0,0,SSL_SSLV2, 0,0,0,0}, | |
313 | {0,SSL_TXT_SSLV3,0, 0,0,0,0,SSL_SSLV3, 0,0,0,0}, | |
314 | {0,SSL_TXT_TLSV1,0, 0,0,0,0,SSL_TLSV1, 0,0,0,0}, | |
315 | ||
316 | /* export flag */ | |
317 | {0,SSL_TXT_EXP,0, 0,0,0,0,0,SSL_EXPORT,0,0,0}, | |
318 | {0,SSL_TXT_EXPORT,0, 0,0,0,0,0,SSL_EXPORT,0,0,0}, | |
319 | ||
320 | /* strength classes */ | |
321 | {0,SSL_TXT_EXP40,0, 0,0,0,0,0,SSL_EXP40, 0,0,0}, | |
322 | {0,SSL_TXT_EXP56,0, 0,0,0,0,0,SSL_EXP56, 0,0,0}, | |
323 | {0,SSL_TXT_LOW,0, 0,0,0,0,0,SSL_LOW, 0,0,0}, | |
324 | {0,SSL_TXT_MEDIUM,0, 0,0,0,0,0,SSL_MEDIUM,0,0,0}, | |
325 | {0,SSL_TXT_HIGH,0, 0,0,0,0,0,SSL_HIGH, 0,0,0}, | |
3ad74edc DSH |
326 | /* FIPS 140-2 approved ciphersuite */ |
327 | {0,SSL_TXT_FIPS,0, 0,0,~SSL_eNULL,0,0,SSL_FIPS, 0,0,0}, | |
d02b48c6 | 328 | }; |
81025661 DSH |
329 | /* Search for public key algorithm with given name and |
330 | * return its pkey_id if it is available. Otherwise return 0 | |
331 | */ | |
70531c14 DSH |
332 | #ifdef OPENSSL_NO_ENGINE |
333 | ||
81025661 DSH |
334 | static int get_optional_pkey_id(const char *pkey_name) |
335 | { | |
336 | const EVP_PKEY_ASN1_METHOD *ameth; | |
81025661 | 337 | int pkey_id=0; |
70531c14 | 338 | ameth = EVP_PKEY_asn1_find_str(NULL,pkey_name,-1); |
81025661 DSH |
339 | if (ameth) |
340 | { | |
341 | EVP_PKEY_asn1_get0_info(&pkey_id, NULL,NULL,NULL,NULL,ameth); | |
342 | } | |
81025661 DSH |
343 | return pkey_id; |
344 | } | |
d02b48c6 | 345 | |
70531c14 DSH |
346 | #else |
347 | ||
348 | static int get_optional_pkey_id(const char *pkey_name) | |
349 | { | |
350 | const EVP_PKEY_ASN1_METHOD *ameth; | |
351 | ENGINE *tmpeng = NULL; | |
352 | int pkey_id=0; | |
353 | ameth = EVP_PKEY_asn1_find_str(&tmpeng,pkey_name,-1); | |
354 | if (ameth) | |
355 | { | |
356 | EVP_PKEY_asn1_get0_info(&pkey_id, NULL,NULL,NULL,NULL,ameth); | |
357 | } | |
358 | if (tmpeng) ENGINE_finish(tmpeng); | |
359 | return pkey_id; | |
360 | } | |
361 | ||
362 | #endif | |
363 | ||
7f3c9036 | 364 | void ssl_load_ciphers(void) |
d02b48c6 | 365 | { |
d02b48c6 RE |
366 | ssl_cipher_methods[SSL_ENC_DES_IDX]= |
367 | EVP_get_cipherbyname(SN_des_cbc); | |
368 | ssl_cipher_methods[SSL_ENC_3DES_IDX]= | |
369 | EVP_get_cipherbyname(SN_des_ede3_cbc); | |
370 | ssl_cipher_methods[SSL_ENC_RC4_IDX]= | |
371 | EVP_get_cipherbyname(SN_rc4); | |
372 | ssl_cipher_methods[SSL_ENC_RC2_IDX]= | |
373 | EVP_get_cipherbyname(SN_rc2_cbc); | |
5fdf0666 | 374 | #ifndef OPENSSL_NO_IDEA |
d02b48c6 RE |
375 | ssl_cipher_methods[SSL_ENC_IDEA_IDX]= |
376 | EVP_get_cipherbyname(SN_idea_cbc); | |
5fdf0666 RL |
377 | #else |
378 | ssl_cipher_methods[SSL_ENC_IDEA_IDX]= NULL; | |
379 | #endif | |
deb2c1a1 DSH |
380 | ssl_cipher_methods[SSL_ENC_AES128_IDX]= |
381 | EVP_get_cipherbyname(SN_aes_128_cbc); | |
382 | ssl_cipher_methods[SSL_ENC_AES256_IDX]= | |
383 | EVP_get_cipherbyname(SN_aes_256_cbc); | |
f3dea9a5 BM |
384 | ssl_cipher_methods[SSL_ENC_CAMELLIA128_IDX]= |
385 | EVP_get_cipherbyname(SN_camellia_128_cbc); | |
386 | ssl_cipher_methods[SSL_ENC_CAMELLIA256_IDX]= | |
387 | EVP_get_cipherbyname(SN_camellia_256_cbc); | |
9981a51e | 388 | ssl_cipher_methods[SSL_ENC_GOST89_IDX]= |
96afc1cf BM |
389 | EVP_get_cipherbyname(SN_gost89_cnt); |
390 | ssl_cipher_methods[SSL_ENC_SEED_IDX]= | |
391 | EVP_get_cipherbyname(SN_seed_cbc); | |
d02b48c6 | 392 | |
28dd49fa DSH |
393 | ssl_cipher_methods[SSL_ENC_AES128GCM_IDX]= |
394 | EVP_get_cipherbyname(SN_aes_128_gcm); | |
395 | ssl_cipher_methods[SSL_ENC_AES256GCM_IDX]= | |
396 | EVP_get_cipherbyname(SN_aes_256_gcm); | |
397 | ||
d02b48c6 RE |
398 | ssl_digest_methods[SSL_MD_MD5_IDX]= |
399 | EVP_get_digestbyname(SN_md5); | |
b948e2c5 DSH |
400 | ssl_mac_secret_size[SSL_MD_MD5_IDX]= |
401 | EVP_MD_size(ssl_digest_methods[SSL_MD_MD5_IDX]); | |
0eab41fb | 402 | OPENSSL_assert(ssl_mac_secret_size[SSL_MD_MD5_IDX] >= 0); |
d02b48c6 RE |
403 | ssl_digest_methods[SSL_MD_SHA1_IDX]= |
404 | EVP_get_digestbyname(SN_sha1); | |
b948e2c5 DSH |
405 | ssl_mac_secret_size[SSL_MD_SHA1_IDX]= |
406 | EVP_MD_size(ssl_digest_methods[SSL_MD_SHA1_IDX]); | |
0eab41fb | 407 | OPENSSL_assert(ssl_mac_secret_size[SSL_MD_SHA1_IDX] >= 0); |
b948e2c5 DSH |
408 | ssl_digest_methods[SSL_MD_GOST94_IDX]= |
409 | EVP_get_digestbyname(SN_id_GostR3411_94); | |
410 | if (ssl_digest_methods[SSL_MD_GOST94_IDX]) | |
411 | { | |
412 | ssl_mac_secret_size[SSL_MD_GOST94_IDX]= | |
413 | EVP_MD_size(ssl_digest_methods[SSL_MD_GOST94_IDX]); | |
0eab41fb | 414 | OPENSSL_assert(ssl_mac_secret_size[SSL_MD_GOST94_IDX] >= 0); |
b948e2c5 DSH |
415 | } |
416 | ssl_digest_methods[SSL_MD_GOST89MAC_IDX]= | |
417 | EVP_get_digestbyname(SN_id_Gost28147_89_MAC); | |
81025661 DSH |
418 | ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX] = get_optional_pkey_id("gost-mac"); |
419 | if (ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX]) { | |
b948e2c5 | 420 | ssl_mac_secret_size[SSL_MD_GOST89MAC_IDX]=32; |
81025661 | 421 | } |
09b6c2ef | 422 | |
7409d7ad DSH |
423 | ssl_digest_methods[SSL_MD_SHA256_IDX]= |
424 | EVP_get_digestbyname(SN_sha256); | |
425 | ssl_mac_secret_size[SSL_MD_SHA256_IDX]= | |
426 | EVP_MD_size(ssl_digest_methods[SSL_MD_SHA256_IDX]); | |
d09677ac DSH |
427 | ssl_digest_methods[SSL_MD_SHA384_IDX]= |
428 | EVP_get_digestbyname(SN_sha384); | |
429 | ssl_mac_secret_size[SSL_MD_SHA384_IDX]= | |
430 | EVP_MD_size(ssl_digest_methods[SSL_MD_SHA384_IDX]); | |
b948e2c5 | 431 | } |
09b6c2ef DSH |
432 | #ifndef OPENSSL_NO_COMP |
433 | ||
7ba666fa RL |
434 | static int sk_comp_cmp(const SSL_COMP * const *a, |
435 | const SSL_COMP * const *b) | |
436 | { | |
437 | return((*a)->id-(*b)->id); | |
438 | } | |
439 | ||
440 | static void load_builtin_compressions(void) | |
441 | { | |
675f605d | 442 | int got_write_lock = 0; |
f70ddce7 | 443 | |
675f605d | 444 | CRYPTO_r_lock(CRYPTO_LOCK_SSL); |
7ba666fa RL |
445 | if (ssl_comp_methods == NULL) |
446 | { | |
675f605d BM |
447 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL); |
448 | CRYPTO_w_lock(CRYPTO_LOCK_SSL); | |
449 | got_write_lock = 1; | |
450 | ||
451 | if (ssl_comp_methods == NULL) | |
7ba666fa | 452 | { |
675f605d BM |
453 | SSL_COMP *comp = NULL; |
454 | ||
455 | MemCheck_off(); | |
456 | ssl_comp_methods=sk_SSL_COMP_new(sk_comp_cmp); | |
457 | if (ssl_comp_methods != NULL) | |
7ba666fa | 458 | { |
675f605d BM |
459 | comp=(SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP)); |
460 | if (comp != NULL) | |
7ba666fa | 461 | { |
675f605d BM |
462 | comp->method=COMP_zlib(); |
463 | if (comp->method | |
464 | && comp->method->type == NID_undef) | |
465 | OPENSSL_free(comp); | |
466 | else | |
467 | { | |
468 | comp->id=SSL_COMP_ZLIB_IDX; | |
469 | comp->name=comp->method->name; | |
470 | sk_SSL_COMP_push(ssl_comp_methods,comp); | |
471 | } | |
7ba666fa | 472 | } |
19b0d0e7 | 473 | sk_SSL_COMP_sort(ssl_comp_methods); |
7ba666fa | 474 | } |
675f605d | 475 | MemCheck_on(); |
7ba666fa | 476 | } |
7ba666fa | 477 | } |
675f605d BM |
478 | |
479 | if (got_write_lock) | |
480 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL); | |
481 | else | |
482 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL); | |
7ba666fa | 483 | } |
09b6c2ef | 484 | #endif |
7ba666fa | 485 | |
0821bcd4 | 486 | int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
b948e2c5 | 487 | const EVP_MD **md, int *mac_pkey_type, int *mac_secret_size,SSL_COMP **comp) |
d02b48c6 RE |
488 | { |
489 | int i; | |
babb3798 | 490 | const SSL_CIPHER *c; |
d02b48c6 | 491 | |
413c4f45 | 492 | c=s->cipher; |
d02b48c6 | 493 | if (c == NULL) return(0); |
413c4f45 MC |
494 | if (comp != NULL) |
495 | { | |
496 | SSL_COMP ctmp; | |
09b6c2ef | 497 | #ifndef OPENSSL_NO_COMP |
7ba666fa | 498 | load_builtin_compressions(); |
09b6c2ef | 499 | #endif |
413c4f45 | 500 | |
7ba666fa RL |
501 | *comp=NULL; |
502 | ctmp.id=s->compress_meth; | |
503 | if (ssl_comp_methods != NULL) | |
504 | { | |
f73e07cf | 505 | i=sk_SSL_COMP_find(ssl_comp_methods,&ctmp); |
413c4f45 | 506 | if (i >= 0) |
f73e07cf | 507 | *comp=sk_SSL_COMP_value(ssl_comp_methods,i); |
413c4f45 MC |
508 | else |
509 | *comp=NULL; | |
510 | } | |
511 | } | |
512 | ||
513 | if ((enc == NULL) || (md == NULL)) return(0); | |
d02b48c6 | 514 | |
52b8dad8 | 515 | switch (c->algorithm_enc) |
d02b48c6 RE |
516 | { |
517 | case SSL_DES: | |
518 | i=SSL_ENC_DES_IDX; | |
519 | break; | |
520 | case SSL_3DES: | |
521 | i=SSL_ENC_3DES_IDX; | |
522 | break; | |
523 | case SSL_RC4: | |
524 | i=SSL_ENC_RC4_IDX; | |
525 | break; | |
526 | case SSL_RC2: | |
527 | i=SSL_ENC_RC2_IDX; | |
528 | break; | |
529 | case SSL_IDEA: | |
530 | i=SSL_ENC_IDEA_IDX; | |
531 | break; | |
532 | case SSL_eNULL: | |
533 | i=SSL_ENC_NULL_IDX; | |
534 | break; | |
52b8dad8 BM |
535 | case SSL_AES128: |
536 | i=SSL_ENC_AES128_IDX; | |
259810e0 | 537 | break; |
52b8dad8 BM |
538 | case SSL_AES256: |
539 | i=SSL_ENC_AES256_IDX; | |
540 | break; | |
541 | case SSL_CAMELLIA128: | |
542 | i=SSL_ENC_CAMELLIA128_IDX; | |
543 | break; | |
544 | case SSL_CAMELLIA256: | |
545 | i=SSL_ENC_CAMELLIA256_IDX; | |
f3dea9a5 | 546 | break; |
9981a51e DSH |
547 | case SSL_eGOST2814789CNT: |
548 | i=SSL_ENC_GOST89_IDX; | |
549 | break; | |
96afc1cf BM |
550 | case SSL_SEED: |
551 | i=SSL_ENC_SEED_IDX; | |
552 | break; | |
28dd49fa DSH |
553 | case SSL_AES128GCM: |
554 | i=SSL_ENC_AES128GCM_IDX; | |
555 | break; | |
556 | case SSL_AES256GCM: | |
557 | i=SSL_ENC_AES256GCM_IDX; | |
558 | break; | |
d02b48c6 RE |
559 | default: |
560 | i= -1; | |
561 | break; | |
562 | } | |
563 | ||
564 | if ((i < 0) || (i > SSL_ENC_NUM_IDX)) | |
565 | *enc=NULL; | |
566 | else | |
567 | { | |
568 | if (i == SSL_ENC_NULL_IDX) | |
569 | *enc=EVP_enc_null(); | |
570 | else | |
571 | *enc=ssl_cipher_methods[i]; | |
572 | } | |
573 | ||
52b8dad8 | 574 | switch (c->algorithm_mac) |
d02b48c6 RE |
575 | { |
576 | case SSL_MD5: | |
577 | i=SSL_MD_MD5_IDX; | |
578 | break; | |
d02b48c6 RE |
579 | case SSL_SHA1: |
580 | i=SSL_MD_SHA1_IDX; | |
581 | break; | |
7409d7ad DSH |
582 | case SSL_SHA256: |
583 | i=SSL_MD_SHA256_IDX; | |
584 | break; | |
d09677ac DSH |
585 | case SSL_SHA384: |
586 | i=SSL_MD_SHA384_IDX; | |
587 | break; | |
b948e2c5 DSH |
588 | case SSL_GOST94: |
589 | i = SSL_MD_GOST94_IDX; | |
590 | break; | |
591 | case SSL_GOST89MAC: | |
592 | i = SSL_MD_GOST89MAC_IDX; | |
593 | break; | |
d02b48c6 RE |
594 | default: |
595 | i= -1; | |
596 | break; | |
597 | } | |
598 | if ((i < 0) || (i > SSL_MD_NUM_IDX)) | |
b948e2c5 DSH |
599 | { |
600 | *md=NULL; | |
601 | if (mac_pkey_type!=NULL) *mac_pkey_type = NID_undef; | |
602 | if (mac_secret_size!=NULL) *mac_secret_size = 0; | |
28dd49fa DSH |
603 | if (c->algorithm_mac == SSL_AEAD) |
604 | mac_pkey_type = NULL; | |
b948e2c5 | 605 | } |
d02b48c6 | 606 | else |
b948e2c5 | 607 | { |
d02b48c6 | 608 | *md=ssl_digest_methods[i]; |
b948e2c5 DSH |
609 | if (mac_pkey_type!=NULL) *mac_pkey_type = ssl_mac_pkey_id[i]; |
610 | if (mac_secret_size!=NULL) *mac_secret_size = ssl_mac_secret_size[i]; | |
28dd49fa | 611 | } |
d02b48c6 | 612 | |
146e1fc7 AP |
613 | if ((*enc != NULL) && |
614 | (*md != NULL || (EVP_CIPHER_flags(*enc)&EVP_CIPH_FLAG_AEAD_CIPHER)) && | |
615 | (!mac_pkey_type||*mac_pkey_type != NID_undef)) | |
616 | { | |
617 | const EVP_CIPHER *evp; | |
618 | ||
a20152bd AP |
619 | if (s->ssl_version>>8 != TLS1_VERSION_MAJOR || |
620 | s->ssl_version < TLS1_VERSION) | |
621 | return 1; | |
622 | ||
a7086099 DSH |
623 | #ifdef OPENSSL_FIPS |
624 | if (FIPS_mode()) | |
625 | return 1; | |
626 | #endif | |
627 | ||
a20152bd | 628 | if (c->algorithm_enc == SSL_RC4 && |
146e1fc7 AP |
629 | c->algorithm_mac == SSL_MD5 && |
630 | (evp=EVP_get_cipherbyname("RC4-HMAC-MD5"))) | |
631 | *enc = evp, *md = NULL; | |
a20152bd | 632 | else if (c->algorithm_enc == SSL_AES128 && |
146e1fc7 AP |
633 | c->algorithm_mac == SSL_SHA1 && |
634 | (evp=EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA1"))) | |
635 | *enc = evp, *md = NULL; | |
a20152bd | 636 | else if (c->algorithm_enc == SSL_AES256 && |
146e1fc7 AP |
637 | c->algorithm_mac == SSL_SHA1 && |
638 | (evp=EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA1"))) | |
639 | *enc = evp, *md = NULL; | |
d02b48c6 | 640 | return(1); |
146e1fc7 | 641 | } |
d02b48c6 RE |
642 | else |
643 | return(0); | |
644 | } | |
645 | ||
81025661 DSH |
646 | int ssl_get_handshake_digest(int idx, long *mask, const EVP_MD **md) |
647 | { | |
648 | if (idx <0||idx>=SSL_MD_NUM_IDX) | |
649 | { | |
650 | return 0; | |
651 | } | |
81025661 | 652 | *mask = ssl_handshake_digest_flag[idx]; |
7409d7ad DSH |
653 | if (*mask) |
654 | *md = ssl_digest_methods[idx]; | |
655 | else | |
656 | *md = NULL; | |
81025661 DSH |
657 | return 1; |
658 | } | |
659 | ||
58964a49 RE |
660 | #define ITEM_SEP(a) \ |
661 | (((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ',')) | |
662 | ||
6b691a5c UM |
663 | static void ll_append_tail(CIPHER_ORDER **head, CIPHER_ORDER *curr, |
664 | CIPHER_ORDER **tail) | |
58964a49 RE |
665 | { |
666 | if (curr == *tail) return; | |
667 | if (curr == *head) | |
668 | *head=curr->next; | |
669 | if (curr->prev != NULL) | |
670 | curr->prev->next=curr->next; | |
fd5bc65c | 671 | if (curr->next != NULL) |
58964a49 RE |
672 | curr->next->prev=curr->prev; |
673 | (*tail)->next=curr; | |
674 | curr->prev= *tail; | |
675 | curr->next=NULL; | |
676 | *tail=curr; | |
677 | } | |
678 | ||
fd5bc65c BM |
679 | static void ll_append_head(CIPHER_ORDER **head, CIPHER_ORDER *curr, |
680 | CIPHER_ORDER **tail) | |
681 | { | |
682 | if (curr == *head) return; | |
683 | if (curr == *tail) | |
684 | *tail=curr->prev; | |
685 | if (curr->next != NULL) | |
686 | curr->next->prev=curr->prev; | |
687 | if (curr->prev != NULL) | |
688 | curr->prev->next=curr->next; | |
689 | (*head)->prev=curr; | |
690 | curr->next= *head; | |
691 | curr->prev=NULL; | |
692 | *head=curr; | |
693 | } | |
694 | ||
52b8dad8 | 695 | static void ssl_cipher_get_disabled(unsigned long *mkey, unsigned long *auth, unsigned long *enc, unsigned long *mac, unsigned long *ssl) |
d02b48c6 | 696 | { |
52b8dad8 BM |
697 | *mkey = 0; |
698 | *auth = 0; | |
699 | *enc = 0; | |
700 | *mac = 0; | |
701 | *ssl = 0; | |
d02b48c6 | 702 | |
bc36ee62 | 703 | #ifdef OPENSSL_NO_RSA |
52b8dad8 BM |
704 | *mkey |= SSL_kRSA; |
705 | *auth |= SSL_aRSA; | |
d02b48c6 | 706 | #endif |
bc36ee62 | 707 | #ifdef OPENSSL_NO_DSA |
52b8dad8 | 708 | *auth |= SSL_aDSS; |
d02b48c6 | 709 | #endif |
bc36ee62 | 710 | #ifdef OPENSSL_NO_DH |
52b8dad8 BM |
711 | *mkey |= SSL_kDHr|SSL_kDHd|SSL_kEDH; |
712 | *auth |= SSL_aDH; | |
d02b48c6 | 713 | #endif |
bc36ee62 | 714 | #ifdef OPENSSL_NO_KRB5 |
52b8dad8 BM |
715 | *mkey |= SSL_kKRB5; |
716 | *auth |= SSL_aKRB5; | |
f9b3bff6 | 717 | #endif |
89bbe14c | 718 | #ifdef OPENSSL_NO_ECDSA |
52b8dad8 | 719 | *auth |= SSL_aECDSA; |
89bbe14c | 720 | #endif |
ea262260 | 721 | #ifdef OPENSSL_NO_ECDH |
52b8dad8 BM |
722 | *mkey |= SSL_kECDHe|SSL_kECDHr; |
723 | *auth |= SSL_aECDH; | |
ea262260 | 724 | #endif |
ddac1974 | 725 | #ifdef OPENSSL_NO_PSK |
52b8dad8 BM |
726 | *mkey |= SSL_kPSK; |
727 | *auth |= SSL_aPSK; | |
edc032b5 BL |
728 | #endif |
729 | #ifdef OPENSSL_NO_SRP | |
730 | *mkey |= SSL_kSRP; | |
ddac1974 | 731 | #endif |
81025661 DSH |
732 | /* Check for presence of GOST 34.10 algorithms, and if they |
733 | * do not present, disable appropriate auth and key exchange */ | |
734 | if (!get_optional_pkey_id("gost94")) { | |
735 | *auth |= SSL_aGOST94; | |
736 | } | |
737 | if (!get_optional_pkey_id("gost2001")) { | |
738 | *auth |= SSL_aGOST01; | |
739 | } | |
740 | /* Disable GOST key exchange if no GOST signature algs are available * */ | |
741 | if ((*auth & (SSL_aGOST94|SSL_aGOST01)) == (SSL_aGOST94|SSL_aGOST01)) { | |
742 | *mkey |= SSL_kGOST; | |
743 | } | |
988788f6 | 744 | #ifdef SSL_FORBID_ENULL |
52b8dad8 | 745 | *enc |= SSL_eNULL; |
d02b48c6 | 746 | #endif |
81025661 DSH |
747 | |
748 | ||
d02b48c6 | 749 | |
52b8dad8 BM |
750 | *enc |= (ssl_cipher_methods[SSL_ENC_DES_IDX ] == NULL) ? SSL_DES :0; |
751 | *enc |= (ssl_cipher_methods[SSL_ENC_3DES_IDX] == NULL) ? SSL_3DES:0; | |
752 | *enc |= (ssl_cipher_methods[SSL_ENC_RC4_IDX ] == NULL) ? SSL_RC4 :0; | |
753 | *enc |= (ssl_cipher_methods[SSL_ENC_RC2_IDX ] == NULL) ? SSL_RC2 :0; | |
754 | *enc |= (ssl_cipher_methods[SSL_ENC_IDEA_IDX] == NULL) ? SSL_IDEA:0; | |
755 | *enc |= (ssl_cipher_methods[SSL_ENC_AES128_IDX] == NULL) ? SSL_AES128:0; | |
756 | *enc |= (ssl_cipher_methods[SSL_ENC_AES256_IDX] == NULL) ? SSL_AES256:0; | |
a0f21307 DSH |
757 | *enc |= (ssl_cipher_methods[SSL_ENC_AES128GCM_IDX] == NULL) ? SSL_AES128GCM:0; |
758 | *enc |= (ssl_cipher_methods[SSL_ENC_AES256GCM_IDX] == NULL) ? SSL_AES256GCM:0; | |
52b8dad8 BM |
759 | *enc |= (ssl_cipher_methods[SSL_ENC_CAMELLIA128_IDX] == NULL) ? SSL_CAMELLIA128:0; |
760 | *enc |= (ssl_cipher_methods[SSL_ENC_CAMELLIA256_IDX] == NULL) ? SSL_CAMELLIA256:0; | |
9981a51e | 761 | *enc |= (ssl_cipher_methods[SSL_ENC_GOST89_IDX] == NULL) ? SSL_eGOST2814789CNT:0; |
96afc1cf | 762 | *enc |= (ssl_cipher_methods[SSL_ENC_SEED_IDX] == NULL) ? SSL_SEED:0; |
52b8dad8 BM |
763 | |
764 | *mac |= (ssl_digest_methods[SSL_MD_MD5_IDX ] == NULL) ? SSL_MD5 :0; | |
765 | *mac |= (ssl_digest_methods[SSL_MD_SHA1_IDX] == NULL) ? SSL_SHA1:0; | |
823df31b | 766 | *mac |= (ssl_digest_methods[SSL_MD_SHA256_IDX] == NULL) ? SSL_SHA256:0; |
d09677ac | 767 | *mac |= (ssl_digest_methods[SSL_MD_SHA384_IDX] == NULL) ? SSL_SHA384:0; |
b948e2c5 DSH |
768 | *mac |= (ssl_digest_methods[SSL_MD_GOST94_IDX] == NULL) ? SSL_GOST94:0; |
769 | *mac |= (ssl_digest_methods[SSL_MD_GOST89MAC_IDX] == NULL || ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX]==NID_undef)? SSL_GOST89MAC:0; | |
770 | ||
018e57c7 DSH |
771 | } |
772 | ||
773 | static void ssl_cipher_collect_ciphers(const SSL_METHOD *ssl_method, | |
52b8dad8 BM |
774 | int num_of_ciphers, |
775 | unsigned long disabled_mkey, unsigned long disabled_auth, | |
776 | unsigned long disabled_enc, unsigned long disabled_mac, | |
777 | unsigned long disabled_ssl, | |
778 | CIPHER_ORDER *co_list, | |
779 | CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p) | |
018e57c7 | 780 | { |
3822740c | 781 | int i, co_list_num; |
babb3798 | 782 | const SSL_CIPHER *c; |
018e57c7 DSH |
783 | |
784 | /* | |
785 | * We have num_of_ciphers descriptions compiled in, depending on the | |
786 | * method selected (SSLv2 and/or SSLv3, TLSv1 etc). | |
787 | * These will later be sorted in a linked list with at most num | |
788 | * entries. | |
789 | */ | |
58964a49 | 790 | |
d02b48c6 | 791 | /* Get the initial list of ciphers */ |
3822740c | 792 | co_list_num = 0; /* actual count of ciphers */ |
018e57c7 | 793 | for (i = 0; i < num_of_ciphers; i++) |
d02b48c6 | 794 | { |
018e57c7 | 795 | c = ssl_method->get_cipher(i); |
d02b48c6 | 796 | /* drop those that use any of that is not available */ |
52b8dad8 | 797 | if ((c != NULL) && c->valid && |
086e32a6 DSH |
798 | #ifdef OPENSSL_FIPS |
799 | (!FIPS_mode() || (c->algo_strength & SSL_FIPS)) && | |
800 | #endif | |
52b8dad8 BM |
801 | !(c->algorithm_mkey & disabled_mkey) && |
802 | !(c->algorithm_auth & disabled_auth) && | |
803 | !(c->algorithm_enc & disabled_enc) && | |
804 | !(c->algorithm_mac & disabled_mac) && | |
805 | !(c->algorithm_ssl & disabled_ssl)) | |
d02b48c6 | 806 | { |
3822740c RL |
807 | co_list[co_list_num].cipher = c; |
808 | co_list[co_list_num].next = NULL; | |
809 | co_list[co_list_num].prev = NULL; | |
810 | co_list[co_list_num].active = 0; | |
811 | co_list_num++; | |
f9b3bff6 | 812 | #ifdef KSSL_DEBUG |
52b8dad8 | 813 | printf("\t%d: %s %lx %lx %lx\n",i,c->name,c->id,c->algorithm_mkey,c->algorithm_auth); |
f9b3bff6 | 814 | #endif /* KSSL_DEBUG */ |
018e57c7 | 815 | /* |
d02b48c6 | 816 | if (!sk_push(ca_list,(char *)c)) goto err; |
018e57c7 | 817 | */ |
d02b48c6 RE |
818 | } |
819 | } | |
018e57c7 DSH |
820 | |
821 | /* | |
822 | * Prepare linked list from list entries | |
823 | */ | |
3822740c | 824 | if (co_list_num > 0) |
58964a49 | 825 | { |
fd5bc65c BM |
826 | co_list[0].prev = NULL; |
827 | ||
828 | if (co_list_num > 1) | |
829 | { | |
830 | co_list[0].next = &co_list[1]; | |
831 | ||
832 | for (i = 1; i < co_list_num - 1; i++) | |
833 | { | |
834 | co_list[i].prev = &co_list[i - 1]; | |
835 | co_list[i].next = &co_list[i + 1]; | |
836 | } | |
837 | ||
838 | co_list[co_list_num - 1].prev = &co_list[co_list_num - 2]; | |
839 | } | |
840 | ||
841 | co_list[co_list_num - 1].next = NULL; | |
842 | ||
843 | *head_p = &co_list[0]; | |
844 | *tail_p = &co_list[co_list_num - 1]; | |
58964a49 | 845 | } |
018e57c7 | 846 | } |
d02b48c6 | 847 | |
babb3798 | 848 | static void ssl_cipher_collect_aliases(const SSL_CIPHER **ca_list, |
52b8dad8 BM |
849 | int num_of_group_aliases, |
850 | unsigned long disabled_mkey, unsigned long disabled_auth, | |
851 | unsigned long disabled_enc, unsigned long disabled_mac, | |
852 | unsigned long disabled_ssl, | |
018e57c7 DSH |
853 | CIPHER_ORDER *head) |
854 | { | |
855 | CIPHER_ORDER *ciph_curr; | |
babb3798 | 856 | const SSL_CIPHER **ca_curr; |
018e57c7 | 857 | int i; |
52b8dad8 BM |
858 | unsigned long mask_mkey = ~disabled_mkey; |
859 | unsigned long mask_auth = ~disabled_auth; | |
860 | unsigned long mask_enc = ~disabled_enc; | |
861 | unsigned long mask_mac = ~disabled_mac; | |
862 | unsigned long mask_ssl = ~disabled_ssl; | |
d02b48c6 | 863 | |
018e57c7 DSH |
864 | /* |
865 | * First, add the real ciphers as already collected | |
866 | */ | |
867 | ciph_curr = head; | |
868 | ca_curr = ca_list; | |
869 | while (ciph_curr != NULL) | |
d02b48c6 | 870 | { |
018e57c7 DSH |
871 | *ca_curr = ciph_curr->cipher; |
872 | ca_curr++; | |
873 | ciph_curr = ciph_curr->next; | |
d02b48c6 RE |
874 | } |
875 | ||
018e57c7 DSH |
876 | /* |
877 | * Now we add the available ones from the cipher_aliases[] table. | |
09e20e0b BM |
878 | * They represent either one or more algorithms, some of which |
879 | * in any affected category must be supported (set in enabled_mask), | |
89bbe14c | 880 | * or represent a cipher strength value (will be added in any case because algorithms=0). |
018e57c7 DSH |
881 | */ |
882 | for (i = 0; i < num_of_group_aliases; i++) | |
883 | { | |
52b8dad8 BM |
884 | unsigned long algorithm_mkey = cipher_aliases[i].algorithm_mkey; |
885 | unsigned long algorithm_auth = cipher_aliases[i].algorithm_auth; | |
886 | unsigned long algorithm_enc = cipher_aliases[i].algorithm_enc; | |
887 | unsigned long algorithm_mac = cipher_aliases[i].algorithm_mac; | |
888 | unsigned long algorithm_ssl = cipher_aliases[i].algorithm_ssl; | |
889 | ||
890 | if (algorithm_mkey) | |
891 | if ((algorithm_mkey & mask_mkey) == 0) | |
892 | continue; | |
893 | ||
894 | if (algorithm_auth) | |
895 | if ((algorithm_auth & mask_auth) == 0) | |
09e20e0b | 896 | continue; |
09e20e0b | 897 | |
52b8dad8 BM |
898 | if (algorithm_enc) |
899 | if ((algorithm_enc & mask_enc) == 0) | |
09e20e0b | 900 | continue; |
09e20e0b | 901 | |
52b8dad8 BM |
902 | if (algorithm_mac) |
903 | if ((algorithm_mac & mask_mac) == 0) | |
09e20e0b | 904 | continue; |
09e20e0b | 905 | |
52b8dad8 BM |
906 | if (algorithm_ssl) |
907 | if ((algorithm_ssl & mask_ssl) == 0) | |
09e20e0b | 908 | continue; |
09e20e0b BM |
909 | |
910 | *ca_curr = (SSL_CIPHER *)(cipher_aliases + i); | |
911 | ca_curr++; | |
018e57c7 | 912 | } |
d02b48c6 | 913 | |
018e57c7 DSH |
914 | *ca_curr = NULL; /* end of list */ |
915 | } | |
d02b48c6 | 916 | |
52b8dad8 BM |
917 | static void ssl_cipher_apply_rule(unsigned long cipher_id, |
918 | unsigned long alg_mkey, unsigned long alg_auth, | |
919 | unsigned long alg_enc, unsigned long alg_mac, | |
920 | unsigned long alg_ssl, | |
921 | unsigned long algo_strength, | |
a717831d | 922 | int rule, int strength_bits, |
018e57c7 DSH |
923 | CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p) |
924 | { | |
fd5bc65c | 925 | CIPHER_ORDER *head, *tail, *curr, *curr2, *last; |
babb3798 | 926 | const SSL_CIPHER *cp; |
fd5bc65c | 927 | int reverse = 0; |
018e57c7 DSH |
928 | |
929 | #ifdef CIPHER_DEBUG | |
52b8dad8 BM |
930 | printf("Applying rule %d with %08lx/%08lx/%08lx/%08lx/%08lx %08lx (%d)\n", |
931 | rule, alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, algo_strength, strength_bits); | |
018e57c7 | 932 | #endif |
d02b48c6 | 933 | |
fd5bc65c BM |
934 | if (rule == CIPHER_DEL) |
935 | reverse = 1; /* needed to maintain sorting between currently deleted ciphers */ | |
936 | ||
937 | head = *head_p; | |
938 | tail = *tail_p; | |
939 | ||
940 | if (reverse) | |
941 | { | |
942 | curr = tail; | |
943 | last = head; | |
944 | } | |
945 | else | |
946 | { | |
947 | curr = head; | |
948 | last = tail; | |
949 | } | |
950 | ||
951 | curr2 = curr; | |
d02b48c6 RE |
952 | for (;;) |
953 | { | |
fd5bc65c | 954 | if ((curr == NULL) || (curr == last)) break; |
018e57c7 | 955 | curr = curr2; |
fd5bc65c | 956 | curr2 = reverse ? curr->prev : curr->next; |
018e57c7 DSH |
957 | |
958 | cp = curr->cipher; | |
959 | ||
52b8dad8 BM |
960 | /* |
961 | * Selection criteria is either the value of strength_bits | |
962 | * or the algorithms used. | |
963 | */ | |
964 | if (strength_bits >= 0) | |
ba1ba5f0 | 965 | { |
52b8dad8 | 966 | if (strength_bits != cp->strength_bits) |
ba1ba5f0 DSH |
967 | continue; |
968 | } | |
52b8dad8 | 969 | else |
018e57c7 | 970 | { |
018e57c7 | 971 | #ifdef CIPHER_DEBUG |
52b8dad8 | 972 | printf("\nName: %s:\nAlgo = %08lx/%08lx/%08lx/%08lx/%08lx Algo_strength = %08lx\n", cp->name, cp->algorithm_mkey, cp->algorithm_auth, cp->algorithm_enc, cp->algorithm_mac, cp->algorithm_ssl, cp->algo_strength); |
018e57c7 | 973 | #endif |
52b8dad8 BM |
974 | |
975 | if (alg_mkey && !(alg_mkey & cp->algorithm_mkey)) | |
976 | continue; | |
977 | if (alg_auth && !(alg_auth & cp->algorithm_auth)) | |
978 | continue; | |
979 | if (alg_enc && !(alg_enc & cp->algorithm_enc)) | |
980 | continue; | |
981 | if (alg_mac && !(alg_mac & cp->algorithm_mac)) | |
982 | continue; | |
983 | if (alg_ssl && !(alg_ssl & cp->algorithm_ssl)) | |
984 | continue; | |
985 | if ((algo_strength & SSL_EXP_MASK) && !(algo_strength & SSL_EXP_MASK & cp->algo_strength)) | |
986 | continue; | |
987 | if ((algo_strength & SSL_STRONG_MASK) && !(algo_strength & SSL_STRONG_MASK & cp->algo_strength)) | |
988 | continue; | |
018e57c7 | 989 | } |
018e57c7 DSH |
990 | |
991 | #ifdef CIPHER_DEBUG | |
992 | printf("Action = %d\n", rule); | |
993 | #endif | |
994 | ||
995 | /* add the cipher if it has not been added yet. */ | |
996 | if (rule == CIPHER_ADD) | |
997 | { | |
fd5bc65c | 998 | /* reverse == 0 */ |
018e57c7 DSH |
999 | if (!curr->active) |
1000 | { | |
1001 | ll_append_tail(&head, curr, &tail); | |
1002 | curr->active = 1; | |
1003 | } | |
1004 | } | |
1005 | /* Move the added cipher to this location */ | |
1006 | else if (rule == CIPHER_ORD) | |
1007 | { | |
fd5bc65c | 1008 | /* reverse == 0 */ |
018e57c7 DSH |
1009 | if (curr->active) |
1010 | { | |
1011 | ll_append_tail(&head, curr, &tail); | |
1012 | } | |
1013 | } | |
1014 | else if (rule == CIPHER_DEL) | |
fd5bc65c BM |
1015 | { |
1016 | /* reverse == 1 */ | |
1017 | if (curr->active) | |
1018 | { | |
1019 | /* most recently deleted ciphersuites get best positions | |
1020 | * for any future CIPHER_ADD (note that the CIPHER_DEL loop | |
1021 | * works in reverse to maintain the order) */ | |
1022 | ll_append_head(&head, curr, &tail); | |
1023 | curr->active = 0; | |
1024 | } | |
1025 | } | |
018e57c7 DSH |
1026 | else if (rule == CIPHER_KILL) |
1027 | { | |
fd5bc65c | 1028 | /* reverse == 0 */ |
018e57c7 DSH |
1029 | if (head == curr) |
1030 | head = curr->next; | |
1031 | else | |
1032 | curr->prev->next = curr->next; | |
1033 | if (tail == curr) | |
1034 | tail = curr->prev; | |
1035 | curr->active = 0; | |
1036 | if (curr->next != NULL) | |
1037 | curr->next->prev = curr->prev; | |
1038 | if (curr->prev != NULL) | |
1039 | curr->prev->next = curr->next; | |
1040 | curr->next = NULL; | |
1041 | curr->prev = NULL; | |
1042 | } | |
1043 | } | |
1044 | ||
1045 | *head_p = head; | |
1046 | *tail_p = tail; | |
1047 | } | |
1048 | ||
a717831d | 1049 | static int ssl_cipher_strength_sort(CIPHER_ORDER **head_p, |
3822740c | 1050 | CIPHER_ORDER **tail_p) |
018e57c7 DSH |
1051 | { |
1052 | int max_strength_bits, i, *number_uses; | |
1053 | CIPHER_ORDER *curr; | |
1054 | ||
1055 | /* | |
1056 | * This routine sorts the ciphers with descending strength. The sorting | |
1057 | * must keep the pre-sorted sequence, so we apply the normal sorting | |
1058 | * routine as '+' movement to the end of the list. | |
1059 | */ | |
1060 | max_strength_bits = 0; | |
1061 | curr = *head_p; | |
1062 | while (curr != NULL) | |
1063 | { | |
1064 | if (curr->active && | |
1065 | (curr->cipher->strength_bits > max_strength_bits)) | |
1066 | max_strength_bits = curr->cipher->strength_bits; | |
1067 | curr = curr->next; | |
1068 | } | |
1069 | ||
26a3a48d | 1070 | number_uses = OPENSSL_malloc((max_strength_bits + 1) * sizeof(int)); |
018e57c7 | 1071 | if (!number_uses) |
52b8dad8 | 1072 | { |
018e57c7 DSH |
1073 | SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT,ERR_R_MALLOC_FAILURE); |
1074 | return(0); | |
52b8dad8 | 1075 | } |
018e57c7 DSH |
1076 | memset(number_uses, 0, (max_strength_bits + 1) * sizeof(int)); |
1077 | ||
1078 | /* | |
1079 | * Now find the strength_bits values actually used | |
1080 | */ | |
1081 | curr = *head_p; | |
1082 | while (curr != NULL) | |
1083 | { | |
1084 | if (curr->active) | |
1085 | number_uses[curr->cipher->strength_bits]++; | |
1086 | curr = curr->next; | |
1087 | } | |
018e57c7 DSH |
1088 | /* |
1089 | * Go through the list of used strength_bits values in descending | |
64287002 | 1090 | * order. |
018e57c7 | 1091 | */ |
018e57c7 | 1092 | for (i = max_strength_bits; i >= 0; i--) |
018e57c7 | 1093 | if (number_uses[i] > 0) |
52b8dad8 | 1094 | ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ORD, i, head_p, tail_p); |
018e57c7 | 1095 | |
26a3a48d | 1096 | OPENSSL_free(number_uses); |
018e57c7 DSH |
1097 | return(1); |
1098 | } | |
1099 | ||
1100 | static int ssl_cipher_process_rulestr(const char *rule_str, | |
a717831d | 1101 | CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p, |
babb3798 | 1102 | const SSL_CIPHER **ca_list) |
018e57c7 | 1103 | { |
52b8dad8 | 1104 | unsigned long alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, algo_strength; |
c8bbd98a | 1105 | const char *l, *buf; |
018e57c7 | 1106 | int j, multi, found, rule, retval, ok, buflen; |
52b8dad8 | 1107 | unsigned long cipher_id = 0; |
018e57c7 | 1108 | char ch; |
58964a49 | 1109 | |
018e57c7 DSH |
1110 | retval = 1; |
1111 | l = rule_str; | |
1112 | for (;;) | |
1113 | { | |
1114 | ch = *l; | |
58964a49 | 1115 | |
018e57c7 DSH |
1116 | if (ch == '\0') |
1117 | break; /* done */ | |
d02b48c6 | 1118 | if (ch == '-') |
018e57c7 | 1119 | { rule = CIPHER_DEL; l++; } |
d02b48c6 | 1120 | else if (ch == '+') |
018e57c7 | 1121 | { rule = CIPHER_ORD; l++; } |
d02b48c6 | 1122 | else if (ch == '!') |
018e57c7 DSH |
1123 | { rule = CIPHER_KILL; l++; } |
1124 | else if (ch == '@') | |
1125 | { rule = CIPHER_SPECIAL; l++; } | |
1126 | else | |
1127 | { rule = CIPHER_ADD; } | |
d02b48c6 | 1128 | |
58964a49 | 1129 | if (ITEM_SEP(ch)) |
d02b48c6 RE |
1130 | { |
1131 | l++; | |
1132 | continue; | |
1133 | } | |
018e57c7 | 1134 | |
52b8dad8 BM |
1135 | alg_mkey = 0; |
1136 | alg_auth = 0; | |
1137 | alg_enc = 0; | |
1138 | alg_mac = 0; | |
1139 | alg_ssl = 0; | |
1140 | algo_strength = 0; | |
d02b48c6 | 1141 | |
d02b48c6 RE |
1142 | for (;;) |
1143 | { | |
018e57c7 DSH |
1144 | ch = *l; |
1145 | buf = l; | |
1146 | buflen = 0; | |
ca570cfd | 1147 | #ifndef CHARSET_EBCDIC |
d02b48c6 RE |
1148 | while ( ((ch >= 'A') && (ch <= 'Z')) || |
1149 | ((ch >= '0') && (ch <= '9')) || | |
1150 | ((ch >= 'a') && (ch <= 'z')) || | |
1151 | (ch == '-')) | |
ca570cfd UM |
1152 | #else |
1153 | while ( isalnum(ch) || (ch == '-')) | |
1154 | #endif | |
d02b48c6 | 1155 | { |
018e57c7 DSH |
1156 | ch = *(++l); |
1157 | buflen++; | |
d02b48c6 | 1158 | } |
018e57c7 DSH |
1159 | |
1160 | if (buflen == 0) | |
1161 | { | |
1162 | /* | |
4013f3bf | 1163 | * We hit something we cannot deal with, |
657e60fa | 1164 | * it is no command or separator nor |
018e57c7 DSH |
1165 | * alphanumeric, so we call this an error. |
1166 | */ | |
1167 | SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, | |
1168 | SSL_R_INVALID_COMMAND); | |
1169 | retval = found = 0; | |
1170 | l++; | |
1171 | break; | |
1172 | } | |
1173 | ||
1174 | if (rule == CIPHER_SPECIAL) | |
1175 | { | |
4013f3bf | 1176 | found = 0; /* unused -- avoid compiler warning */ |
018e57c7 DSH |
1177 | break; /* special treatment */ |
1178 | } | |
d02b48c6 RE |
1179 | |
1180 | /* check for multi-part specification */ | |
58964a49 RE |
1181 | if (ch == '+') |
1182 | { | |
1183 | multi=1; | |
1184 | l++; | |
1185 | } | |
1186 | else | |
1187 | multi=0; | |
d02b48c6 | 1188 | |
018e57c7 | 1189 | /* |
4013f3bf | 1190 | * Now search for the cipher alias in the ca_list. Be careful |
018e57c7 DSH |
1191 | * with the strncmp, because the "buflen" limitation |
1192 | * will make the rule "ADH:SOME" and the cipher | |
1193 | * "ADH-MY-CIPHER" look like a match for buflen=3. | |
4013f3bf BM |
1194 | * So additionally check whether the cipher name found |
1195 | * has the correct length. We can save a strlen() call: | |
018e57c7 | 1196 | * just checking for the '\0' at the right place is |
f65a7578 LJ |
1197 | * sufficient, we have to strncmp() anyway. (We cannot |
1198 | * use strcmp(), because buf is not '\0' terminated.) | |
018e57c7 | 1199 | */ |
52b8dad8 BM |
1200 | j = found = 0; |
1201 | cipher_id = 0; | |
1202 | while (ca_list[j]) | |
018e57c7 | 1203 | { |
f65a7578 LJ |
1204 | if (!strncmp(buf, ca_list[j]->name, buflen) && |
1205 | (ca_list[j]->name[buflen] == '\0')) | |
018e57c7 DSH |
1206 | { |
1207 | found = 1; | |
1208 | break; | |
1209 | } | |
1210 | else | |
1211 | j++; | |
1212 | } | |
52b8dad8 | 1213 | |
018e57c7 DSH |
1214 | if (!found) |
1215 | break; /* ignore this entry */ | |
1216 | ||
52b8dad8 BM |
1217 | if (ca_list[j]->algorithm_mkey) |
1218 | { | |
1219 | if (alg_mkey) | |
1220 | { | |
1221 | alg_mkey &= ca_list[j]->algorithm_mkey; | |
1222 | if (!alg_mkey) { found = 0; break; } | |
1223 | } | |
1224 | else | |
1225 | alg_mkey = ca_list[j]->algorithm_mkey; | |
1226 | } | |
1227 | ||
1228 | if (ca_list[j]->algorithm_auth) | |
1229 | { | |
1230 | if (alg_auth) | |
1231 | { | |
1232 | alg_auth &= ca_list[j]->algorithm_auth; | |
1233 | if (!alg_auth) { found = 0; break; } | |
1234 | } | |
1235 | else | |
1236 | alg_auth = ca_list[j]->algorithm_auth; | |
1237 | } | |
1238 | ||
1239 | if (ca_list[j]->algorithm_enc) | |
1240 | { | |
1241 | if (alg_enc) | |
1242 | { | |
1243 | alg_enc &= ca_list[j]->algorithm_enc; | |
1244 | if (!alg_enc) { found = 0; break; } | |
1245 | } | |
1246 | else | |
1247 | alg_enc = ca_list[j]->algorithm_enc; | |
1248 | } | |
1249 | ||
1250 | if (ca_list[j]->algorithm_mac) | |
1251 | { | |
1252 | if (alg_mac) | |
1253 | { | |
1254 | alg_mac &= ca_list[j]->algorithm_mac; | |
1255 | if (!alg_mac) { found = 0; break; } | |
1256 | } | |
1257 | else | |
1258 | alg_mac = ca_list[j]->algorithm_mac; | |
1259 | } | |
1260 | ||
1261 | if (ca_list[j]->algo_strength & SSL_EXP_MASK) | |
1262 | { | |
1263 | if (algo_strength & SSL_EXP_MASK) | |
1264 | { | |
1265 | algo_strength &= (ca_list[j]->algo_strength & SSL_EXP_MASK) | ~SSL_EXP_MASK; | |
1266 | if (!(algo_strength & SSL_EXP_MASK)) { found = 0; break; } | |
1267 | } | |
1268 | else | |
1269 | algo_strength |= ca_list[j]->algo_strength & SSL_EXP_MASK; | |
1270 | } | |
1271 | ||
1272 | if (ca_list[j]->algo_strength & SSL_STRONG_MASK) | |
1273 | { | |
1274 | if (algo_strength & SSL_STRONG_MASK) | |
1275 | { | |
1276 | algo_strength &= (ca_list[j]->algo_strength & SSL_STRONG_MASK) | ~SSL_STRONG_MASK; | |
1277 | if (!(algo_strength & SSL_STRONG_MASK)) { found = 0; break; } | |
1278 | } | |
1279 | else | |
1280 | algo_strength |= ca_list[j]->algo_strength & SSL_STRONG_MASK; | |
1281 | } | |
1282 | ||
ed65f7dc BM |
1283 | if (ca_list[j]->valid) |
1284 | { | |
52b8dad8 BM |
1285 | /* explicit ciphersuite found; its protocol version |
1286 | * does not become part of the search pattern!*/ | |
1287 | ||
ed65f7dc | 1288 | cipher_id = ca_list[j]->id; |
ed65f7dc | 1289 | } |
52b8dad8 BM |
1290 | else |
1291 | { | |
1292 | /* not an explicit ciphersuite; only in this case, the | |
1293 | * protocol version is considered part of the search pattern */ | |
ed65f7dc | 1294 | |
52b8dad8 BM |
1295 | if (ca_list[j]->algorithm_ssl) |
1296 | { | |
1297 | if (alg_ssl) | |
1298 | { | |
1299 | alg_ssl &= ca_list[j]->algorithm_ssl; | |
1300 | if (!alg_ssl) { found = 0; break; } | |
1301 | } | |
1302 | else | |
1303 | alg_ssl = ca_list[j]->algorithm_ssl; | |
1304 | } | |
1305 | } | |
1306 | ||
d02b48c6 RE |
1307 | if (!multi) break; |
1308 | } | |
018e57c7 | 1309 | |
4013f3bf BM |
1310 | /* |
1311 | * Ok, we have the rule, now apply it | |
1312 | */ | |
1313 | if (rule == CIPHER_SPECIAL) | |
1314 | { /* special command */ | |
1315 | ok = 0; | |
1316 | if ((buflen == 8) && | |
1317 | !strncmp(buf, "STRENGTH", 8)) | |
a717831d | 1318 | ok = ssl_cipher_strength_sort(head_p, tail_p); |
4013f3bf BM |
1319 | else |
1320 | SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, | |
1321 | SSL_R_INVALID_COMMAND); | |
1322 | if (ok == 0) | |
1323 | retval = 0; | |
018e57c7 | 1324 | /* |
4013f3bf BM |
1325 | * We do not support any "multi" options |
1326 | * together with "@", so throw away the | |
1327 | * rest of the command, if any left, until | |
1328 | * end or ':' is found. | |
018e57c7 | 1329 | */ |
52b8dad8 | 1330 | while ((*l != '\0') && !ITEM_SEP(*l)) |
4013f3bf BM |
1331 | l++; |
1332 | } | |
1333 | else if (found) | |
1334 | { | |
52b8dad8 BM |
1335 | ssl_cipher_apply_rule(cipher_id, |
1336 | alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, algo_strength, | |
1337 | rule, -1, head_p, tail_p); | |
4013f3bf BM |
1338 | } |
1339 | else | |
1340 | { | |
52b8dad8 | 1341 | while ((*l != '\0') && !ITEM_SEP(*l)) |
4013f3bf BM |
1342 | l++; |
1343 | } | |
1344 | if (*l == '\0') break; /* done */ | |
d02b48c6 RE |
1345 | } |
1346 | ||
018e57c7 DSH |
1347 | return(retval); |
1348 | } | |
1349 | ||
2ea80354 DSH |
1350 | static int check_suiteb_cipher_list(const SSL_METHOD *meth, CERT *c, |
1351 | const char **prule_str) | |
1352 | { | |
1353 | unsigned int suiteb_flags = 0; | |
1354 | if (!strcmp(*prule_str, "SUITEB128")) | |
1355 | suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS; | |
1356 | else if (!strcmp(*prule_str, "SUITEB128ONLY")) | |
1357 | suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS_ONLY; | |
1358 | else if (!strcmp(*prule_str, "SUITEB192")) | |
1359 | suiteb_flags = SSL_CERT_FLAG_SUITEB_192_LOS; | |
1360 | ||
1361 | if (suiteb_flags) | |
1362 | { | |
1363 | c->cert_flags &= ~SSL_CERT_FLAG_SUITEB_128_LOS; | |
1364 | c->cert_flags |= suiteb_flags; | |
1365 | } | |
1366 | else | |
1367 | suiteb_flags = c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS; | |
1368 | ||
1369 | if (!suiteb_flags) | |
1370 | return 1; | |
1371 | /* Check version */ | |
1372 | ||
1373 | switch(suiteb_flags) | |
1374 | { | |
1375 | case SSL_CERT_FLAG_SUITEB_128_LOS: | |
1376 | *prule_str = "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384"; | |
1377 | break; | |
1378 | case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY: | |
1379 | *prule_str = "ECDHE-ECDSA-AES128-GCM-SHA256"; | |
1380 | break; | |
1381 | case SSL_CERT_FLAG_SUITEB_192_LOS: | |
1382 | *prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384"; | |
1383 | break; | |
1384 | } | |
1385 | return 1; | |
1386 | } | |
1387 | ||
1388 | ||
018e57c7 DSH |
1389 | STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, |
1390 | STACK_OF(SSL_CIPHER) **cipher_list, | |
1391 | STACK_OF(SSL_CIPHER) **cipher_list_by_id, | |
2ea80354 | 1392 | const char *rule_str, CERT *c) |
018e57c7 DSH |
1393 | { |
1394 | int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases; | |
52b8dad8 | 1395 | unsigned long disabled_mkey, disabled_auth, disabled_enc, disabled_mac, disabled_ssl; |
f0747cd9 | 1396 | STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list; |
018e57c7 | 1397 | const char *rule_p; |
3822740c | 1398 | CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr; |
bfaead2b | 1399 | const SSL_CIPHER **ca_list = NULL; |
018e57c7 DSH |
1400 | |
1401 | /* | |
1402 | * Return with error if nothing to do. | |
1403 | */ | |
f0747cd9 NL |
1404 | if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL) |
1405 | return NULL; | |
018e57c7 | 1406 | |
2ea80354 DSH |
1407 | if (!check_suiteb_cipher_list(ssl_method, c, &rule_str)) |
1408 | return NULL; | |
1409 | ||
1410 | ||
018e57c7 DSH |
1411 | /* |
1412 | * To reduce the work to do we only want to process the compiled | |
1413 | * in algorithms, so we first get the mask of disabled ciphers. | |
1414 | */ | |
52b8dad8 | 1415 | ssl_cipher_get_disabled(&disabled_mkey, &disabled_auth, &disabled_enc, &disabled_mac, &disabled_ssl); |
018e57c7 DSH |
1416 | |
1417 | /* | |
1418 | * Now we have to collect the available ciphers from the compiled | |
1419 | * in ciphers. We cannot get more than the number compiled in, so | |
1420 | * it is used for allocation. | |
1421 | */ | |
1422 | num_of_ciphers = ssl_method->num_ciphers(); | |
f9b3bff6 RL |
1423 | #ifdef KSSL_DEBUG |
1424 | printf("ssl_create_cipher_list() for %d ciphers\n", num_of_ciphers); | |
1425 | #endif /* KSSL_DEBUG */ | |
3822740c RL |
1426 | co_list = (CIPHER_ORDER *)OPENSSL_malloc(sizeof(CIPHER_ORDER) * num_of_ciphers); |
1427 | if (co_list == NULL) | |
d02b48c6 | 1428 | { |
018e57c7 DSH |
1429 | SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST,ERR_R_MALLOC_FAILURE); |
1430 | return(NULL); /* Failure */ | |
1431 | } | |
58964a49 | 1432 | |
52b8dad8 BM |
1433 | ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers, |
1434 | disabled_mkey, disabled_auth, disabled_enc, disabled_mac, disabled_ssl, | |
1435 | co_list, &head, &tail); | |
018e57c7 | 1436 | |
0a05123a BM |
1437 | |
1438 | /* Now arrange all ciphers by preference: */ | |
1439 | ||
fd5bc65c BM |
1440 | /* Everything else being equal, prefer ephemeral ECDH over other key exchange mechanisms */ |
1441 | ssl_cipher_apply_rule(0, SSL_kEECDH, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); | |
1442 | ssl_cipher_apply_rule(0, SSL_kEECDH, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail); | |
1443 | ||
aa79dd68 | 1444 | /* AES is our preferred symmetric cipher */ |
0a05123a BM |
1445 | ssl_cipher_apply_rule(0, 0, 0, SSL_AES, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); |
1446 | ||
aa79dd68 | 1447 | /* Temporarily enable everything else for sorting */ |
0a05123a BM |
1448 | ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); |
1449 | ||
aa79dd68 BM |
1450 | /* Low priority for MD5 */ |
1451 | ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5, 0, 0, CIPHER_ORD, -1, &head, &tail); | |
1452 | ||
0a05123a BM |
1453 | /* Move anonymous ciphers to the end. Usually, these will remain disabled. |
1454 | * (For applications that allow them, they aren't too bad, but we prefer | |
1455 | * authenticated ciphers.) */ | |
1456 | ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); | |
1457 | ||
e0418639 | 1458 | /* Move ciphers without forward secrecy to the end */ |
0a05123a | 1459 | ssl_cipher_apply_rule(0, 0, SSL_aECDH, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); |
e0418639 | 1460 | /* ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); */ |
0a05123a | 1461 | ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); |
e0418639 | 1462 | ssl_cipher_apply_rule(0, SSL_kPSK, 0,0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); |
114c9c36 | 1463 | ssl_cipher_apply_rule(0, SSL_kKRB5, 0,0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); |
0a05123a BM |
1464 | |
1465 | /* RC4 is sort-of broken -- move the the end */ | |
1466 | ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); | |
1467 | ||
1468 | /* Now sort by symmetric encryption strength. The above ordering remains | |
1469 | * in force within each class */ | |
1470 | if (!ssl_cipher_strength_sort(&head, &tail)) | |
1471 | { | |
1472 | OPENSSL_free(co_list); | |
1473 | return NULL; | |
1474 | } | |
1475 | ||
1476 | /* Now disable everything (maintaining the ordering!) */ | |
1477 | ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail); | |
1478 | ||
1479 | ||
018e57c7 DSH |
1480 | /* |
1481 | * We also need cipher aliases for selecting based on the rule_str. | |
1482 | * There might be two types of entries in the rule_str: 1) names | |
1483 | * of ciphers themselves 2) aliases for groups of ciphers. | |
1484 | * For 1) we need the available ciphers and for 2) the cipher | |
657e60fa | 1485 | * groups of cipher_aliases added together in one list (otherwise |
018e57c7 DSH |
1486 | * we would be happy with just the cipher_aliases table). |
1487 | */ | |
1488 | num_of_group_aliases = sizeof(cipher_aliases) / sizeof(SSL_CIPHER); | |
1489 | num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1; | |
babb3798 | 1490 | ca_list = OPENSSL_malloc(sizeof(SSL_CIPHER *) * num_of_alias_max); |
018e57c7 DSH |
1491 | if (ca_list == NULL) |
1492 | { | |
3822740c | 1493 | OPENSSL_free(co_list); |
018e57c7 DSH |
1494 | SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST,ERR_R_MALLOC_FAILURE); |
1495 | return(NULL); /* Failure */ | |
1496 | } | |
52b8dad8 | 1497 | ssl_cipher_collect_aliases(ca_list, num_of_group_aliases, |
bfaead2b BL |
1498 | disabled_mkey, disabled_auth, disabled_enc, |
1499 | disabled_mac, disabled_ssl, head); | |
018e57c7 DSH |
1500 | |
1501 | /* | |
1502 | * If the rule_string begins with DEFAULT, apply the default rule | |
1503 | * before using the (possibly available) additional rules. | |
1504 | */ | |
1505 | ok = 1; | |
1506 | rule_p = rule_str; | |
1507 | if (strncmp(rule_str,"DEFAULT",7) == 0) | |
1508 | { | |
1509 | ok = ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST, | |
a717831d | 1510 | &head, &tail, ca_list); |
018e57c7 DSH |
1511 | rule_p += 7; |
1512 | if (*rule_p == ':') | |
1513 | rule_p++; | |
1514 | } | |
58964a49 | 1515 | |
018e57c7 | 1516 | if (ok && (strlen(rule_p) > 0)) |
a717831d | 1517 | ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list); |
d02b48c6 | 1518 | |
349e78e2 | 1519 | OPENSSL_free((void *)ca_list); /* Not needed anymore */ |
018e57c7 DSH |
1520 | |
1521 | if (!ok) | |
1522 | { /* Rule processing failure */ | |
3822740c | 1523 | OPENSSL_free(co_list); |
018e57c7 DSH |
1524 | return(NULL); |
1525 | } | |
0a05123a | 1526 | |
018e57c7 DSH |
1527 | /* |
1528 | * Allocate new "cipherstack" for the result, return with error | |
1529 | * if we cannot get one. | |
1530 | */ | |
62324627 | 1531 | if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) |
018e57c7 | 1532 | { |
3822740c | 1533 | OPENSSL_free(co_list); |
018e57c7 | 1534 | return(NULL); |
d02b48c6 RE |
1535 | } |
1536 | ||
018e57c7 DSH |
1537 | /* |
1538 | * The cipher selection for the list is done. The ciphers are added | |
1539 | * to the resulting precedence to the STACK_OF(SSL_CIPHER). | |
1540 | */ | |
1541 | for (curr = head; curr != NULL; curr = curr->next) | |
d02b48c6 | 1542 | { |
086e32a6 DSH |
1543 | #ifdef OPENSSL_FIPS |
1544 | if (curr->active && (!FIPS_mode() || curr->cipher->algo_strength & SSL_FIPS)) | |
1545 | #else | |
58964a49 | 1546 | if (curr->active) |
086e32a6 | 1547 | #endif |
d02b48c6 | 1548 | { |
018e57c7 | 1549 | sk_SSL_CIPHER_push(cipherstack, curr->cipher); |
d02b48c6 | 1550 | #ifdef CIPHER_DEBUG |
58964a49 | 1551 | printf("<%s>\n",curr->cipher->name); |
d02b48c6 | 1552 | #endif |
d02b48c6 RE |
1553 | } |
1554 | } | |
3822740c | 1555 | OPENSSL_free(co_list); /* Not needed any longer */ |
018e57c7 | 1556 | |
f0747cd9 NL |
1557 | tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack); |
1558 | if (tmp_cipher_list == NULL) | |
018e57c7 DSH |
1559 | { |
1560 | sk_SSL_CIPHER_free(cipherstack); | |
f0747cd9 | 1561 | return NULL; |
018e57c7 | 1562 | } |
f0747cd9 NL |
1563 | if (*cipher_list != NULL) |
1564 | sk_SSL_CIPHER_free(*cipher_list); | |
1565 | *cipher_list = cipherstack; | |
1566 | if (*cipher_list_by_id != NULL) | |
1567 | sk_SSL_CIPHER_free(*cipher_list_by_id); | |
1568 | *cipher_list_by_id = tmp_cipher_list; | |
a6fbcb42 | 1569 | (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id,ssl_cipher_ptr_id_cmp); |
d02b48c6 | 1570 | |
14b3f100 | 1571 | sk_SSL_CIPHER_sort(*cipher_list_by_id); |
018e57c7 | 1572 | return(cipherstack); |
d02b48c6 RE |
1573 | } |
1574 | ||
7689ed34 | 1575 | char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) |
d02b48c6 | 1576 | { |
b1c4fe36 | 1577 | int is_export,pkl,kl; |
f4bfd357 NL |
1578 | const char *ver,*exp_str; |
1579 | const char *kx,*au,*enc,*mac; | |
c8bbd98a | 1580 | unsigned long alg_mkey,alg_auth,alg_enc,alg_mac,alg_ssl,alg2; |
f9b3bff6 | 1581 | #ifdef KSSL_DEBUG |
52b8dad8 | 1582 | static const char *format="%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s AL=%lx/%lx/%lx/%lx/%lx\n"; |
f9b3bff6 | 1583 | #else |
f4bfd357 | 1584 | static const char *format="%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n"; |
f9b3bff6 RL |
1585 | #endif /* KSSL_DEBUG */ |
1586 | ||
52b8dad8 BM |
1587 | alg_mkey = cipher->algorithm_mkey; |
1588 | alg_auth = cipher->algorithm_auth; | |
1589 | alg_enc = cipher->algorithm_enc; | |
1590 | alg_mac = cipher->algorithm_mac; | |
1591 | alg_ssl = cipher->algorithm_ssl; | |
1592 | ||
d02b48c6 RE |
1593 | alg2=cipher->algorithm2; |
1594 | ||
018e57c7 DSH |
1595 | is_export=SSL_C_IS_EXPORT(cipher); |
1596 | pkl=SSL_C_EXPORT_PKEYLENGTH(cipher); | |
1597 | kl=SSL_C_EXPORT_KEYLENGTH(cipher); | |
d8ec0dcf | 1598 | exp_str=is_export?" export":""; |
ea262260 | 1599 | |
52b8dad8 | 1600 | if (alg_ssl & SSL_SSLV2) |
d02b48c6 | 1601 | ver="SSLv2"; |
52b8dad8 | 1602 | else if (alg_ssl & SSL_SSLV3) |
d02b48c6 | 1603 | ver="SSLv3"; |
d09677ac DSH |
1604 | else if (alg_ssl & SSL_TLSV1_2) |
1605 | ver="TLSv1.2"; | |
d02b48c6 RE |
1606 | else |
1607 | ver="unknown"; | |
1608 | ||
52b8dad8 | 1609 | switch (alg_mkey) |
d02b48c6 RE |
1610 | { |
1611 | case SSL_kRSA: | |
b1c4fe36 | 1612 | kx=is_export?(pkl == 512 ? "RSA(512)" : "RSA(1024)"):"RSA"; |
d02b48c6 RE |
1613 | break; |
1614 | case SSL_kDHr: | |
1615 | kx="DH/RSA"; | |
1616 | break; | |
1617 | case SSL_kDHd: | |
1618 | kx="DH/DSS"; | |
1619 | break; | |
89bbe14c BM |
1620 | case SSL_kKRB5: |
1621 | kx="KRB5"; | |
d02b48c6 RE |
1622 | break; |
1623 | case SSL_kEDH: | |
b1c4fe36 | 1624 | kx=is_export?(pkl == 512 ? "DH(512)" : "DH(1024)"):"DH"; |
d02b48c6 | 1625 | break; |
89bbe14c BM |
1626 | case SSL_kECDHr: |
1627 | kx="ECDH/RSA"; | |
1628 | break; | |
1629 | case SSL_kECDHe: | |
1630 | kx="ECDH/ECDSA"; | |
1631 | break; | |
1632 | case SSL_kEECDH: | |
1633 | kx="ECDH"; | |
ea262260 | 1634 | break; |
ddac1974 NL |
1635 | case SSL_kPSK: |
1636 | kx="PSK"; | |
1637 | break; | |
edc032b5 BL |
1638 | case SSL_kSRP: |
1639 | kx="SRP"; | |
1640 | break; | |
d02b48c6 RE |
1641 | default: |
1642 | kx="unknown"; | |
1643 | } | |
1644 | ||
52b8dad8 | 1645 | switch (alg_auth) |
d02b48c6 RE |
1646 | { |
1647 | case SSL_aRSA: | |
1648 | au="RSA"; | |
1649 | break; | |
1650 | case SSL_aDSS: | |
1651 | au="DSS"; | |
1652 | break; | |
1653 | case SSL_aDH: | |
1654 | au="DH"; | |
1655 | break; | |
89bbe14c BM |
1656 | case SSL_aKRB5: |
1657 | au="KRB5"; | |
1658 | break; | |
1659 | case SSL_aECDH: | |
1660 | au="ECDH"; | |
1661 | break; | |
d02b48c6 RE |
1662 | case SSL_aNULL: |
1663 | au="None"; | |
1664 | break; | |
ea262260 BM |
1665 | case SSL_aECDSA: |
1666 | au="ECDSA"; | |
1667 | break; | |
ddac1974 NL |
1668 | case SSL_aPSK: |
1669 | au="PSK"; | |
1670 | break; | |
d02b48c6 RE |
1671 | default: |
1672 | au="unknown"; | |
1673 | break; | |
1674 | } | |
1675 | ||
52b8dad8 | 1676 | switch (alg_enc) |
d02b48c6 RE |
1677 | { |
1678 | case SSL_DES: | |
b1c4fe36 | 1679 | enc=(is_export && kl == 5)?"DES(40)":"DES(56)"; |
d02b48c6 RE |
1680 | break; |
1681 | case SSL_3DES: | |
1682 | enc="3DES(168)"; | |
1683 | break; | |
1684 | case SSL_RC4: | |
b1c4fe36 | 1685 | enc=is_export?(kl == 5 ? "RC4(40)" : "RC4(56)") |
06ab81f9 | 1686 | :((alg2&SSL2_CF_8_BYTE_ENC)?"RC4(64)":"RC4(128)"); |
d02b48c6 RE |
1687 | break; |
1688 | case SSL_RC2: | |
b1c4fe36 | 1689 | enc=is_export?(kl == 5 ? "RC2(40)" : "RC2(56)"):"RC2(128)"; |
d02b48c6 RE |
1690 | break; |
1691 | case SSL_IDEA: | |
1692 | enc="IDEA(128)"; | |
1693 | break; | |
d02b48c6 RE |
1694 | case SSL_eNULL: |
1695 | enc="None"; | |
1696 | break; | |
52b8dad8 BM |
1697 | case SSL_AES128: |
1698 | enc="AES(128)"; | |
259810e0 | 1699 | break; |
52b8dad8 BM |
1700 | case SSL_AES256: |
1701 | enc="AES(256)"; | |
1702 | break; | |
28dd49fa DSH |
1703 | case SSL_AES128GCM: |
1704 | enc="AESGCM(128)"; | |
1705 | break; | |
1706 | case SSL_AES256GCM: | |
1707 | enc="AESGCM(256)"; | |
1708 | break; | |
52b8dad8 BM |
1709 | case SSL_CAMELLIA128: |
1710 | enc="Camellia(128)"; | |
1711 | break; | |
1712 | case SSL_CAMELLIA256: | |
1713 | enc="Camellia(256)"; | |
f3dea9a5 | 1714 | break; |
96afc1cf BM |
1715 | case SSL_SEED: |
1716 | enc="SEED(128)"; | |
1717 | break; | |
d02b48c6 RE |
1718 | default: |
1719 | enc="unknown"; | |
1720 | break; | |
1721 | } | |
1722 | ||
52b8dad8 | 1723 | switch (alg_mac) |
d02b48c6 RE |
1724 | { |
1725 | case SSL_MD5: | |
1726 | mac="MD5"; | |
1727 | break; | |
d02b48c6 RE |
1728 | case SSL_SHA1: |
1729 | mac="SHA1"; | |
1730 | break; | |
7409d7ad DSH |
1731 | case SSL_SHA256: |
1732 | mac="SHA256"; | |
1733 | break; | |
d09677ac DSH |
1734 | case SSL_SHA384: |
1735 | mac="SHA384"; | |
1736 | break; | |
28dd49fa DSH |
1737 | case SSL_AEAD: |
1738 | mac="AEAD"; | |
1739 | break; | |
d02b48c6 RE |
1740 | default: |
1741 | mac="unknown"; | |
1742 | break; | |
1743 | } | |
1744 | ||
1745 | if (buf == NULL) | |
1746 | { | |
063c0502 | 1747 | len=128; |
26a3a48d RL |
1748 | buf=OPENSSL_malloc(len); |
1749 | if (buf == NULL) return("OPENSSL_malloc Error"); | |
d02b48c6 RE |
1750 | } |
1751 | else if (len < 128) | |
1752 | return("Buffer too small"); | |
1753 | ||
f9b3bff6 | 1754 | #ifdef KSSL_DEBUG |
52b8dad8 | 1755 | BIO_snprintf(buf,len,format,cipher->name,ver,kx,au,enc,mac,exp_str,alg_mkey,alg_auth,alg_enc,alg_mac,alg_ssl); |
f9b3bff6 | 1756 | #else |
d8ec0dcf | 1757 | BIO_snprintf(buf,len,format,cipher->name,ver,kx,au,enc,mac,exp_str); |
f9b3bff6 | 1758 | #endif /* KSSL_DEBUG */ |
d02b48c6 RE |
1759 | return(buf); |
1760 | } | |
1761 | ||
0821bcd4 | 1762 | char *SSL_CIPHER_get_version(const SSL_CIPHER *c) |
d02b48c6 RE |
1763 | { |
1764 | int i; | |
1765 | ||
58964a49 | 1766 | if (c == NULL) return("(NONE)"); |
d02b48c6 RE |
1767 | i=(int)(c->id>>24L); |
1768 | if (i == 3) | |
58964a49 | 1769 | return("TLSv1/SSLv3"); |
d02b48c6 RE |
1770 | else if (i == 2) |
1771 | return("SSLv2"); | |
1772 | else | |
1773 | return("unknown"); | |
1774 | } | |
1775 | ||
1776 | /* return the actual cipher being used */ | |
0821bcd4 | 1777 | const char *SSL_CIPHER_get_name(const SSL_CIPHER *c) |
d02b48c6 RE |
1778 | { |
1779 | if (c != NULL) | |
1780 | return(c->name); | |
1781 | return("(NONE)"); | |
1782 | } | |
1783 | ||
657e60fa | 1784 | /* number of bits for symmetric cipher */ |
0821bcd4 | 1785 | int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits) |
d02b48c6 | 1786 | { |
018e57c7 | 1787 | int ret=0; |
d02b48c6 RE |
1788 | |
1789 | if (c != NULL) | |
1790 | { | |
018e57c7 DSH |
1791 | if (alg_bits != NULL) *alg_bits = c->alg_bits; |
1792 | ret = c->strength_bits; | |
d02b48c6 | 1793 | } |
d02b48c6 RE |
1794 | return(ret); |
1795 | } | |
1796 | ||
08557cf2 DSH |
1797 | unsigned long SSL_CIPHER_get_id(const SSL_CIPHER *c) |
1798 | { | |
1799 | return c->id; | |
1800 | } | |
1801 | ||
6b691a5c | 1802 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n) |
413c4f45 MC |
1803 | { |
1804 | SSL_COMP *ctmp; | |
1805 | int i,nn; | |
1806 | ||
1807 | if ((n == 0) || (sk == NULL)) return(NULL); | |
f73e07cf | 1808 | nn=sk_SSL_COMP_num(sk); |
413c4f45 MC |
1809 | for (i=0; i<nn; i++) |
1810 | { | |
f73e07cf | 1811 | ctmp=sk_SSL_COMP_value(sk,i); |
413c4f45 MC |
1812 | if (ctmp->id == n) |
1813 | return(ctmp); | |
1814 | } | |
1815 | return(NULL); | |
1816 | } | |
1817 | ||
09b6c2ef DSH |
1818 | #ifdef OPENSSL_NO_COMP |
1819 | void *SSL_COMP_get_compression_methods(void) | |
1820 | { | |
1821 | return NULL; | |
1822 | } | |
1823 | int SSL_COMP_add_compression_method(int id, void *cm) | |
1824 | { | |
1825 | return 1; | |
1826 | } | |
1827 | ||
1828 | const char *SSL_COMP_get_name(const void *comp) | |
1829 | { | |
1830 | return NULL; | |
1831 | } | |
1832 | #else | |
6b691a5c | 1833 | STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void) |
413c4f45 | 1834 | { |
7ba666fa | 1835 | load_builtin_compressions(); |
413c4f45 MC |
1836 | return(ssl_comp_methods); |
1837 | } | |
1838 | ||
6b691a5c | 1839 | int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) |
413c4f45 MC |
1840 | { |
1841 | SSL_COMP *comp; | |
413c4f45 | 1842 | |
9f495243 RL |
1843 | if (cm == NULL || cm->type == NID_undef) |
1844 | return 1; | |
1845 | ||
7ba666fa RL |
1846 | /* According to draft-ietf-tls-compression-04.txt, the |
1847 | compression number ranges should be the following: | |
1848 | ||
1849 | 0 to 63: methods defined by the IETF | |
1850 | 64 to 192: external party methods assigned by IANA | |
1851 | 193 to 255: reserved for private use */ | |
1852 | if (id < 193 || id > 255) | |
1853 | { | |
1854 | SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE); | |
1855 | return 0; | |
1856 | } | |
1857 | ||
058123af | 1858 | MemCheck_off(); |
26a3a48d | 1859 | comp=(SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP)); |
413c4f45 MC |
1860 | comp->id=id; |
1861 | comp->method=cm; | |
7ba666fa | 1862 | load_builtin_compressions(); |
82423549 | 1863 | if (ssl_comp_methods |
78625cac | 1864 | && sk_SSL_COMP_find(ssl_comp_methods,comp) >= 0) |
82423549 RL |
1865 | { |
1866 | OPENSSL_free(comp); | |
1867 | MemCheck_on(); | |
1868 | SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,SSL_R_DUPLICATE_COMPRESSION_ID); | |
1869 | return(1); | |
1870 | } | |
1871 | else if ((ssl_comp_methods == NULL) | |
7ba666fa | 1872 | || !sk_SSL_COMP_push(ssl_comp_methods,comp)) |
413c4f45 | 1873 | { |
7ba666fa | 1874 | OPENSSL_free(comp); |
058123af | 1875 | MemCheck_on(); |
413c4f45 | 1876 | SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,ERR_R_MALLOC_FAILURE); |
f6e8c19e | 1877 | return(1); |
413c4f45 MC |
1878 | } |
1879 | else | |
058123af RL |
1880 | { |
1881 | MemCheck_on(); | |
f6e8c19e | 1882 | return(0); |
058123af | 1883 | } |
413c4f45 | 1884 | } |
377dcdba RL |
1885 | |
1886 | const char *SSL_COMP_get_name(const COMP_METHOD *comp) | |
1887 | { | |
1888 | if (comp) | |
1889 | return comp->name; | |
1890 | return NULL; | |
1891 | } | |
09b6c2ef | 1892 | #endif |
d47c01a3 DSH |
1893 | /* For a cipher return the index corresponding to the certificate type */ |
1894 | int ssl_cipher_get_cert_index(const SSL_CIPHER *c) | |
1895 | { | |
1896 | unsigned long alg_k, alg_a; | |
1897 | ||
1898 | alg_k = c->algorithm_mkey; | |
1899 | alg_a = c->algorithm_auth; | |
1900 | ||
1901 | if (alg_k & (SSL_kECDHr|SSL_kECDHe)) | |
1902 | { | |
1903 | /* we don't need to look at SSL_kEECDH | |
1904 | * since no certificate is needed for | |
1905 | * anon ECDH and for authenticated | |
1906 | * EECDH, the check for the auth | |
1907 | * algorithm will set i correctly | |
1908 | * NOTE: For ECDH-RSA, we need an ECC | |
1909 | * not an RSA cert but for EECDH-RSA | |
1910 | * we need an RSA cert. Placing the | |
1911 | * checks for SSL_kECDH before RSA | |
1912 | * checks ensures the correct cert is chosen. | |
1913 | */ | |
1914 | return SSL_PKEY_ECC; | |
1915 | } | |
1916 | else if (alg_a & SSL_aECDSA) | |
1917 | return SSL_PKEY_ECC; | |
1918 | else if (alg_k & SSL_kDHr) | |
1919 | return SSL_PKEY_DH_RSA; | |
1920 | else if (alg_k & SSL_kDHd) | |
1921 | return SSL_PKEY_DH_DSA; | |
1922 | else if (alg_a & SSL_aDSS) | |
1923 | return SSL_PKEY_DSA_SIGN; | |
1924 | else if (alg_a & SSL_aRSA) | |
1925 | return SSL_PKEY_RSA_ENC; | |
1926 | else if (alg_a & SSL_aKRB5) | |
1927 | /* VRS something else here? */ | |
1928 | return -1; | |
1929 | else if (alg_a & SSL_aGOST94) | |
1930 | return SSL_PKEY_GOST94; | |
1931 | else if (alg_a & SSL_aGOST01) | |
1932 | return SSL_PKEY_GOST01; | |
1933 | return -1; | |
1934 | } | |
1935 | ||
94a209d8 DSH |
1936 | const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr) |
1937 | { | |
1938 | const SSL_CIPHER *c; | |
1939 | c = ssl->method->get_cipher_by_char(ptr); | |
1940 | if (c == NULL || c->valid == 0) | |
1941 | return NULL; | |
1942 | return c; | |
1943 | } | |
1944 | ||
1945 | const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr) | |
1946 | { | |
1947 | return ssl->method->get_cipher_by_char(ptr); | |
1948 | } |