2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
65 typedef struct ssl_session_asn1_st
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 session_id_context;
73 ASN1_OCTET_STRING key_arg;
79 * SSLerr(SSL_F_I2D_SSL_SESSION,SSL_R_CIPHER_CODE_WRONG_LENGTH);
80 * SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNSUPPORTED_CIPHER);
83 int i2d_SSL_SESSION(in,pp)
87 #define LSIZE2 (sizeof(long)*2)
88 int v1=0,v2=0,v3=0,v4=0;
89 unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
90 unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2];
95 if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
98 /* Note that I cheat in the following 2 assignments. I know
99 * that if the ASN1_INTERGER passed to ASN1_INTEGER_set
100 * is > sizeof(long)+1, the buffer will not be re-Malloc()ed.
101 * This is a bit evil but makes things simple, no dynamic allocation
103 a.version.length=LSIZE2;
104 a.version.type=V_ASN1_INTEGER;
105 a.version.data=ibuf1;
106 ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
108 a.ssl_version.length=LSIZE2;
109 a.ssl_version.type=V_ASN1_INTEGER;
110 a.ssl_version.data=ibuf2;
111 ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
113 a.cipher.type=V_ASN1_OCTET_STRING;
116 if (in->cipher == NULL)
120 if (in->ssl_version == SSL2_VERSION)
123 buf[0]=((unsigned char)(l>>16L))&0xff;
124 buf[1]=((unsigned char)(l>> 8L))&0xff;
125 buf[2]=((unsigned char)(l ))&0xff;
130 buf[0]=((unsigned char)(l>>8L))&0xff;
131 buf[1]=((unsigned char)(l ))&0xff;
134 a.master_key.length=in->master_key_length;
135 a.master_key.type=V_ASN1_OCTET_STRING;
136 a.master_key.data=in->master_key;
138 a.session_id.length=in->session_id_length;
139 a.session_id.type=V_ASN1_OCTET_STRING;
140 a.session_id.data=in->session_id;
142 a.session_id_context.length=in->sid_ctx_length;
143 a.session_id_context.type=V_ASN1_OCTET_STRING;
144 a.session_id_context.data=in->sid_ctx;
146 a.key_arg.length=in->key_arg_length;
147 a.key_arg.type=V_ASN1_OCTET_STRING;
148 a.key_arg.data=in->key_arg;
152 a.time.length=LSIZE2;
153 a.time.type=V_ASN1_INTEGER;
155 ASN1_INTEGER_set(&(a.time),in->time);
158 if (in->timeout != 0L)
160 a.timeout.length=LSIZE2;
161 a.timeout.type=V_ASN1_INTEGER;
162 a.timeout.data=ibuf4;
163 ASN1_INTEGER_set(&(a.timeout),in->timeout);
166 M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
167 M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
168 M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);
169 M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);
170 M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);
171 if (in->key_arg_length > 0)
172 M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
174 M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
175 if (in->timeout != 0L)
176 M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
177 if (in->peer != NULL)
178 M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
179 M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4);
181 M_ASN1_I2D_seq_total();
183 M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
184 M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);
185 M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);
186 M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);
187 M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);
188 if (in->key_arg_length > 0)
189 M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
191 M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
192 if (in->timeout != 0L)
193 M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
194 if (in->peer != NULL)
195 M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
196 M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,
202 SSL_SESSION *d2i_SSL_SESSION(a,pp,length)
207 int version,ssl_version=0,i;
209 ASN1_INTEGER ai,*aip;
210 ASN1_OCTET_STRING os,*osp;
211 M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
217 M_ASN1_D2I_start_sequence();
219 ai.data=NULL; ai.length=0;
220 M_ASN1_D2I_get(aip,d2i_ASN1_INTEGER);
221 version=(int)ASN1_INTEGER_get(aip);
222 if (ai.data != NULL) { Free(ai.data); ai.data=NULL; ai.length=0; }
224 /* we don't care about the version right now :-) */
225 M_ASN1_D2I_get(aip,d2i_ASN1_INTEGER);
226 ssl_version=(int)ASN1_INTEGER_get(aip);
227 ret->ssl_version=ssl_version;
228 if (ai.data != NULL) { Free(ai.data); ai.data=NULL; ai.length=0; }
230 os.data=NULL; os.length=0;
231 M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
232 if (ssl_version == SSL2_VERSION)
236 c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
240 ((unsigned long)os.data[0]<<16L)|
241 ((unsigned long)os.data[1]<< 8L)|
242 (unsigned long)os.data[2];
244 else if ((ssl_version>>8) == 3)
248 c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
252 ((unsigned long)os.data[0]<<8L)|
253 (unsigned long)os.data[1];
257 SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNKNOWN_SSL_VERSION);
264 M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
265 if ((ssl_version>>8) == SSL3_VERSION)
266 i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
267 else /* if (ssl_version == SSL2_VERSION) */
268 i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
273 ret->session_id_length=os.length;
274 memcpy(ret->session_id,os.data,os.length);
276 M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
277 if (ret->master_key_length > SSL_MAX_MASTER_KEY_LENGTH)
278 ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
280 ret->master_key_length=os.length;
281 memcpy(ret->master_key,os.data,ret->master_key_length);
284 M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
285 if (os.length > SSL_MAX_KEY_ARG_LENGTH)
286 ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
288 ret->key_arg_length=os.length;
289 memcpy(ret->key_arg,os.data,ret->key_arg_length);
290 if (os.data != NULL) Free(os.data);
293 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
296 ret->time=ASN1_INTEGER_get(aip);
297 Free(ai.data); ai.data=NULL; ai.length=0;
300 ret->time=time(NULL);
303 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
306 ret->timeout=ASN1_INTEGER_get(aip);
307 Free(ai.data); ai.data=NULL; ai.length=0;
312 if (ret->peer != NULL)
314 X509_free(ret->peer);
317 M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
321 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4);
325 if (os.length > SSL_MAX_SID_CTX_LENGTH)
326 SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_BAD_LENGTH);
327 ret->sid_ctx_length=os.length;
328 memcpy(ret->sid_ctx,os.data,os.length);
329 Free(os.data); os.data=NULL; os.length=0;
332 ret->sid_ctx_length=0;
334 M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);