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