summaryrefslogtreecommitdiff
path: root/src/lib/libssl/ssl_asn1.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libssl/ssl_asn1.c')
-rw-r--r--src/lib/libssl/ssl_asn1.c313
1 files changed, 313 insertions, 0 deletions
diff --git a/src/lib/libssl/ssl_asn1.c b/src/lib/libssl/ssl_asn1.c
new file mode 100644
index 0000000000..116a83de64
--- /dev/null
+++ b/src/lib/libssl/ssl_asn1.c
@@ -0,0 +1,313 @@
1/* ssl/ssl_asn1.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61#include "asn1_mac.h"
62#include "objects.h"
63#include "ssl_locl.h"
64
65typedef struct ssl_session_asn1_st
66 {
67 ASN1_INTEGER version;
68 ASN1_INTEGER ssl_version;
69 ASN1_OCTET_STRING cipher;
70 ASN1_OCTET_STRING master_key;
71 ASN1_OCTET_STRING session_id;
72 ASN1_OCTET_STRING key_arg;
73 ASN1_INTEGER time;
74 ASN1_INTEGER timeout;
75 } SSL_SESSION_ASN1;
76
77/*
78 * SSLerr(SSL_F_I2D_SSL_SESSION,SSL_R_CIPHER_CODE_WRONG_LENGTH);
79 * SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNSUPPORTED_CIPHER);
80 */
81
82int i2d_SSL_SESSION(in,pp)
83SSL_SESSION *in;
84unsigned char **pp;
85 {
86#define LSIZE2 (sizeof(long)*2)
87 int v1=0,v2=0,v3=0;
88 unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
89 unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2];
90 long l;
91 SSL_SESSION_ASN1 a;
92 M_ASN1_I2D_vars(in);
93
94 if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
95 return(0);
96
97 /* Note that I cheat in the following 2 assignments. I know
98 * that if the ASN1_INTERGER passed to ASN1_INTEGER_set
99 * is > sizeof(long)+1, the buffer will not be re-Malloc()ed.
100 * This is a bit evil but makes things simple, no dynamic allocation
101 * to clean up :-) */
102 a.version.length=LSIZE2;
103 a.version.type=V_ASN1_INTEGER;
104 a.version.data=ibuf1;
105 ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
106
107 a.ssl_version.length=LSIZE2;
108 a.ssl_version.type=V_ASN1_INTEGER;
109 a.ssl_version.data=ibuf2;
110 ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
111
112 a.cipher.type=V_ASN1_OCTET_STRING;
113 a.cipher.data=buf;
114
115 if (in->cipher == NULL)
116 l=in->cipher_id;
117 else
118 l=in->cipher->id;
119 if (in->ssl_version == SSL2_VERSION)
120 {
121 a.cipher.length=3;
122 buf[0]=((unsigned char)(l>>16L))&0xff;
123 buf[1]=((unsigned char)(l>> 8L))&0xff;
124 buf[2]=((unsigned char)(l ))&0xff;
125 }
126 else
127 {
128 a.cipher.length=2;
129 buf[0]=((unsigned char)(l>>8L))&0xff;
130 buf[1]=((unsigned char)(l ))&0xff;
131 }
132
133 a.master_key.length=in->master_key_length;
134 a.master_key.type=V_ASN1_OCTET_STRING;
135 a.master_key.data=in->master_key;
136
137 a.session_id.length=in->session_id_length;
138 a.session_id.type=V_ASN1_OCTET_STRING;
139 a.session_id.data=in->session_id;
140
141 a.key_arg.length=in->key_arg_length;
142 a.key_arg.type=V_ASN1_OCTET_STRING;
143 a.key_arg.data=in->key_arg;
144
145 if (in->time != 0L)
146 {
147 a.time.length=LSIZE2;
148 a.time.type=V_ASN1_INTEGER;
149 a.time.data=ibuf3;
150 ASN1_INTEGER_set(&(a.time),in->time);
151 }
152
153 if (in->timeout != 0L)
154 {
155 a.timeout.length=LSIZE2;
156 a.timeout.type=V_ASN1_INTEGER;
157 a.timeout.data=ibuf4;
158 ASN1_INTEGER_set(&(a.timeout),in->timeout);
159 }
160
161 M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
162 M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
163 M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);
164 M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);
165 M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);
166 if (in->key_arg_length > 0)
167 M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
168 if (in->time != 0L)
169 M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
170 if (in->timeout != 0L)
171 M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
172 if (in->peer != NULL)
173 M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
174
175 M_ASN1_I2D_seq_total();
176
177 M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
178 M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);
179 M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);
180 M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);
181 M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);
182 if (in->key_arg_length > 0)
183 M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
184 if (in->time != 0L)
185 M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
186 if (in->timeout != 0L)
187 M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
188 if (in->peer != NULL)
189 M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
190
191 M_ASN1_I2D_finish();
192 }
193
194SSL_SESSION *d2i_SSL_SESSION(a,pp,length)
195SSL_SESSION **a;
196unsigned char **pp;
197long length;
198 {
199 int version,ssl_version=0,i;
200 long id;
201 ASN1_INTEGER ai,*aip;
202 ASN1_OCTET_STRING os,*osp;
203 M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
204
205 aip= &ai;
206 osp= &os;
207
208 M_ASN1_D2I_Init();
209 M_ASN1_D2I_start_sequence();
210
211 ai.data=NULL; ai.length=0;
212 M_ASN1_D2I_get(aip,d2i_ASN1_INTEGER);
213 version=(int)ASN1_INTEGER_get(aip);
214 if (ai.data != NULL) { Free(ai.data); ai.data=NULL; ai.length=0; }
215
216 /* we don't care about the version right now :-) */
217 M_ASN1_D2I_get(aip,d2i_ASN1_INTEGER);
218 ssl_version=(int)ASN1_INTEGER_get(aip);
219 ret->ssl_version=ssl_version;
220 if (ai.data != NULL) { Free(ai.data); ai.data=NULL; ai.length=0; }
221
222 os.data=NULL; os.length=0;
223 M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
224 if (ssl_version == SSL2_VERSION)
225 {
226 if (os.length != 3)
227 {
228 c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
229 goto err;
230 }
231 id=0x02000000L|
232 ((unsigned long)os.data[0]<<16L)|
233 ((unsigned long)os.data[1]<< 8L)|
234 (unsigned long)os.data[2];
235 }
236 else if ((ssl_version>>8) == 3)
237 {
238 if (os.length != 2)
239 {
240 c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
241 goto err;
242 }
243 id=0x03000000L|
244 ((unsigned long)os.data[0]<<8L)|
245 (unsigned long)os.data[1];
246 }
247 else
248 {
249 SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNKNOWN_SSL_VERSION);
250 return(NULL);
251 }
252
253 ret->cipher=NULL;
254 ret->cipher_id=id;
255
256 M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
257 if ((ssl_version>>8) == SSL3_VERSION)
258 i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
259 else /* if (ssl_version == SSL2_VERSION) */
260 i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
261
262 if (os.length > i)
263 os.length=i;
264
265 ret->session_id_length=os.length;
266 memcpy(ret->session_id,os.data,os.length);
267
268 M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
269 if (ret->master_key_length > SSL_MAX_MASTER_KEY_LENGTH)
270 ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
271 else
272 ret->master_key_length=os.length;
273 memcpy(ret->master_key,os.data,ret->master_key_length);
274
275 os.length=0;
276 M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
277 if (os.length > SSL_MAX_KEY_ARG_LENGTH)
278 ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
279 else
280 ret->key_arg_length=os.length;
281 memcpy(ret->key_arg,os.data,ret->key_arg_length);
282 if (os.data != NULL) Free(os.data);
283
284 ai.length=0;
285 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
286 if (ai.data != NULL)
287 {
288 ret->time=ASN1_INTEGER_get(aip);
289 Free(ai.data); ai.data=NULL; ai.length=0;
290 }
291 else
292 ret->time=time(NULL);
293
294 ai.length=0;
295 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
296 if (ai.data != NULL)
297 {
298 ret->timeout=ASN1_INTEGER_get(aip);
299 Free(ai.data); ai.data=NULL; ai.length=0;
300 }
301 else
302 ret->timeout=3;
303
304 if (ret->peer != NULL)
305 {
306 X509_free(ret->peer);
307 ret->peer=NULL;
308 }
309 M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
310
311 M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
312 }
313
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-26 13:49:37 +0000