1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/libssl/src/ssl_asn1.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,398 @@
1.4 +/* ssl/ssl_asn1.c */
1.5 +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
1.6 + * All rights reserved.
1.7 + *
1.8 + * This package is an SSL implementation written
1.9 + * by Eric Young (eay@cryptsoft.com).
1.10 + * The implementation was written so as to conform with Netscapes SSL.
1.11 + *
1.12 + * This library is free for commercial and non-commercial use as long as
1.13 + * the following conditions are aheared to. The following conditions
1.14 + * apply to all code found in this distribution, be it the RC4, RSA,
1.15 + * lhash, DES, etc., code; not just the SSL code. The SSL documentation
1.16 + * included with this distribution is covered by the same copyright terms
1.17 + * except that the holder is Tim Hudson (tjh@cryptsoft.com).
1.18 + *
1.19 + * Copyright remains Eric Young's, and as such any Copyright notices in
1.20 + * the code are not to be removed.
1.21 + * If this package is used in a product, Eric Young should be given attribution
1.22 + * as the author of the parts of the library used.
1.23 + * This can be in the form of a textual message at program startup or
1.24 + * in documentation (online or textual) provided with the package.
1.25 + *
1.26 + * Redistribution and use in source and binary forms, with or without
1.27 + * modification, are permitted provided that the following conditions
1.28 + * are met:
1.29 + * 1. Redistributions of source code must retain the copyright
1.30 + * notice, this list of conditions and the following disclaimer.
1.31 + * 2. Redistributions in binary form must reproduce the above copyright
1.32 + * notice, this list of conditions and the following disclaimer in the
1.33 + * documentation and/or other materials provided with the distribution.
1.34 + * 3. All advertising materials mentioning features or use of this software
1.35 + * must display the following acknowledgement:
1.36 + * "This product includes cryptographic software written by
1.37 + * Eric Young (eay@cryptsoft.com)"
1.38 + * The word 'cryptographic' can be left out if the rouines from the library
1.39 + * being used are not cryptographic related :-).
1.40 + * 4. If you include any Windows specific code (or a derivative thereof) from
1.41 + * the apps directory (application code) you must include an acknowledgement:
1.42 + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
1.43 + *
1.44 + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
1.45 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.46 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.47 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1.48 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.49 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.50 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.51 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.52 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.53 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.54 + * SUCH DAMAGE.
1.55 + *
1.56 + * The licence and distribution terms for any publically available version or
1.57 + * derivative of this code cannot be changed. i.e. this code cannot simply be
1.58 + * copied and put under another distribution licence
1.59 + * [including the GNU Public Licence.]
1.60 + */
1.61 +
1.62 +#include <stdio.h>
1.63 +#include <stdlib.h>
1.64 +#include "ssl_locl.h"
1.65 +#include <openssl/asn1_mac.h>
1.66 +#include <openssl/objects.h>
1.67 +#include <openssl/x509.h>
1.68 +
1.69 +typedef struct ssl_session_asn1_st
1.70 + {
1.71 + ASN1_INTEGER version;
1.72 + ASN1_INTEGER ssl_version;
1.73 + ASN1_OCTET_STRING cipher;
1.74 + ASN1_OCTET_STRING master_key;
1.75 + ASN1_OCTET_STRING session_id;
1.76 + ASN1_OCTET_STRING session_id_context;
1.77 + ASN1_OCTET_STRING key_arg;
1.78 +#ifndef OPENSSL_NO_KRB5
1.79 + ASN1_OCTET_STRING krb5_princ;
1.80 +#endif /* OPENSSL_NO_KRB5 */
1.81 + ASN1_INTEGER time;
1.82 + ASN1_INTEGER timeout;
1.83 + ASN1_INTEGER verify_result;
1.84 + } SSL_SESSION_ASN1;
1.85 +
1.86 +EXPORT_C int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
1.87 + {
1.88 +#define LSIZE2 (sizeof(long)*2)
1.89 + int v1=0,v2=0,v3=0,v4=0,v5=0;
1.90 + unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
1.91 + unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
1.92 + long l;
1.93 + SSL_SESSION_ASN1 a;
1.94 + M_ASN1_I2D_vars(in);
1.95 +
1.96 + if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
1.97 + return(0);
1.98 +
1.99 + /* Note that I cheat in the following 2 assignments. I know
1.100 + * that if the ASN1_INTEGER passed to ASN1_INTEGER_set
1.101 + * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
1.102 + * This is a bit evil but makes things simple, no dynamic allocation
1.103 + * to clean up :-) */
1.104 + a.version.length=LSIZE2;
1.105 + a.version.type=V_ASN1_INTEGER;
1.106 + a.version.data=ibuf1;
1.107 + ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
1.108 +
1.109 + a.ssl_version.length=LSIZE2;
1.110 + a.ssl_version.type=V_ASN1_INTEGER;
1.111 + a.ssl_version.data=ibuf2;
1.112 + ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
1.113 +
1.114 + a.cipher.type=V_ASN1_OCTET_STRING;
1.115 + a.cipher.data=buf;
1.116 +
1.117 + if (in->cipher == NULL)
1.118 + l=in->cipher_id;
1.119 + else
1.120 + l=in->cipher->id;
1.121 + if (in->ssl_version == SSL2_VERSION)
1.122 + {
1.123 + a.cipher.length=3;
1.124 + buf[0]=((unsigned char)(l>>16L))&0xff;
1.125 + buf[1]=((unsigned char)(l>> 8L))&0xff;
1.126 + buf[2]=((unsigned char)(l ))&0xff;
1.127 + }
1.128 + else
1.129 + {
1.130 + a.cipher.length=2;
1.131 + buf[0]=((unsigned char)(l>>8L))&0xff;
1.132 + buf[1]=((unsigned char)(l ))&0xff;
1.133 + }
1.134 +
1.135 + a.master_key.length=in->master_key_length;
1.136 + a.master_key.type=V_ASN1_OCTET_STRING;
1.137 + a.master_key.data=in->master_key;
1.138 +
1.139 + a.session_id.length=in->session_id_length;
1.140 + a.session_id.type=V_ASN1_OCTET_STRING;
1.141 + a.session_id.data=in->session_id;
1.142 +
1.143 + a.session_id_context.length=in->sid_ctx_length;
1.144 + a.session_id_context.type=V_ASN1_OCTET_STRING;
1.145 + a.session_id_context.data=in->sid_ctx;
1.146 +
1.147 + a.key_arg.length=in->key_arg_length;
1.148 + a.key_arg.type=V_ASN1_OCTET_STRING;
1.149 + a.key_arg.data=in->key_arg;
1.150 +
1.151 +#ifndef OPENSSL_NO_KRB5
1.152 + if (in->krb5_client_princ_len)
1.153 + {
1.154 + a.krb5_princ.length=in->krb5_client_princ_len;
1.155 + a.krb5_princ.type=V_ASN1_OCTET_STRING;
1.156 + a.krb5_princ.data=in->krb5_client_princ;
1.157 + }
1.158 +#endif /* OPENSSL_NO_KRB5 */
1.159 +
1.160 + if (in->time != 0L)
1.161 + {
1.162 + a.time.length=LSIZE2;
1.163 + a.time.type=V_ASN1_INTEGER;
1.164 + a.time.data=ibuf3;
1.165 + ASN1_INTEGER_set(&(a.time),in->time);
1.166 + }
1.167 +
1.168 + if (in->timeout != 0L)
1.169 + {
1.170 + a.timeout.length=LSIZE2;
1.171 + a.timeout.type=V_ASN1_INTEGER;
1.172 + a.timeout.data=ibuf4;
1.173 + ASN1_INTEGER_set(&(a.timeout),in->timeout);
1.174 + }
1.175 +
1.176 + if (in->verify_result != X509_V_OK)
1.177 + {
1.178 + a.verify_result.length=LSIZE2;
1.179 + a.verify_result.type=V_ASN1_INTEGER;
1.180 + a.verify_result.data=ibuf5;
1.181 + ASN1_INTEGER_set(&a.verify_result,in->verify_result);
1.182 + }
1.183 +
1.184 + M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
1.185 + M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
1.186 + M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);
1.187 + M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);
1.188 + M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);
1.189 +#ifndef OPENSSL_NO_KRB5
1.190 + if (in->krb5_client_princ_len)
1.191 + M_ASN1_I2D_len(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
1.192 +#endif /* OPENSSL_NO_KRB5 */
1.193 + if (in->key_arg_length > 0)
1.194 + M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
1.195 + if (in->time != 0L)
1.196 + M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
1.197 + if (in->timeout != 0L)
1.198 + M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
1.199 + if (in->peer != NULL)
1.200 + M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
1.201 + M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4);
1.202 + if (in->verify_result != X509_V_OK)
1.203 + M_ASN1_I2D_len_EXP_opt(&(a.verify_result),i2d_ASN1_INTEGER,5,v5);
1.204 +
1.205 + M_ASN1_I2D_seq_total();
1.206 +
1.207 + M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
1.208 + M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);
1.209 + M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);
1.210 + M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);
1.211 + M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);
1.212 +#ifndef OPENSSL_NO_KRB5
1.213 + if (in->krb5_client_princ_len)
1.214 + M_ASN1_I2D_put(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
1.215 +#endif /* OPENSSL_NO_KRB5 */
1.216 + if (in->key_arg_length > 0)
1.217 + M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
1.218 + if (in->time != 0L)
1.219 + M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
1.220 + if (in->timeout != 0L)
1.221 + M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
1.222 + if (in->peer != NULL)
1.223 + M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
1.224 + M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,
1.225 + v4);
1.226 + if (in->verify_result != X509_V_OK)
1.227 + M_ASN1_I2D_put_EXP_opt(&a.verify_result,i2d_ASN1_INTEGER,5,v5);
1.228 + M_ASN1_I2D_finish();
1.229 + }
1.230 +
1.231 +EXPORT_C SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1.232 + long length)
1.233 + {
1.234 + int version,ssl_version=0,i;
1.235 + long id;
1.236 + ASN1_INTEGER ai,*aip;
1.237 + ASN1_OCTET_STRING os,*osp;
1.238 + M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
1.239 +
1.240 + aip= &ai;
1.241 + osp= &os;
1.242 +
1.243 + M_ASN1_D2I_Init();
1.244 + M_ASN1_D2I_start_sequence();
1.245 +
1.246 + ai.data=NULL; ai.length=0;
1.247 + M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
1.248 + version=(int)ASN1_INTEGER_get(aip);
1.249 + if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
1.250 +
1.251 + /* we don't care about the version right now :-) */
1.252 + M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
1.253 + ssl_version=(int)ASN1_INTEGER_get(aip);
1.254 + ret->ssl_version=ssl_version;
1.255 + if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
1.256 +
1.257 + os.data=NULL; os.length=0;
1.258 + M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
1.259 + if (ssl_version == SSL2_VERSION)
1.260 + {
1.261 + if (os.length != 3)
1.262 + {
1.263 + c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
1.264 + goto err;
1.265 + }
1.266 + id=0x02000000L|
1.267 + ((unsigned long)os.data[0]<<16L)|
1.268 + ((unsigned long)os.data[1]<< 8L)|
1.269 + (unsigned long)os.data[2];
1.270 + }
1.271 + else if ((ssl_version>>8) == SSL3_VERSION_MAJOR)
1.272 + {
1.273 + if (os.length != 2)
1.274 + {
1.275 + c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
1.276 + goto err;
1.277 + }
1.278 + id=0x03000000L|
1.279 + ((unsigned long)os.data[0]<<8L)|
1.280 + (unsigned long)os.data[1];
1.281 + }
1.282 + else
1.283 + {
1.284 + SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNKNOWN_SSL_VERSION);
1.285 + return(NULL);
1.286 + }
1.287 +
1.288 + ret->cipher=NULL;
1.289 + ret->cipher_id=id;
1.290 +
1.291 + M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
1.292 + if ((ssl_version>>8) == SSL3_VERSION_MAJOR)
1.293 + i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
1.294 + else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */
1.295 + i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
1.296 +
1.297 + if (os.length > i)
1.298 + os.length = i;
1.299 + if (os.length > (int)sizeof(ret->session_id)) /* can't happen */
1.300 + os.length = sizeof(ret->session_id);
1.301 +
1.302 + ret->session_id_length=os.length;
1.303 + OPENSSL_assert(os.length <= (int)sizeof(ret->session_id));
1.304 + memcpy(ret->session_id,os.data,os.length);
1.305 +
1.306 + M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
1.307 + if (ret->master_key_length > SSL_MAX_MASTER_KEY_LENGTH)
1.308 + ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
1.309 + else
1.310 + ret->master_key_length=os.length;
1.311 + memcpy(ret->master_key,os.data,ret->master_key_length);
1.312 +
1.313 + os.length=0;
1.314 +
1.315 +#ifndef OPENSSL_NO_KRB5
1.316 + os.length=0;
1.317 + M_ASN1_D2I_get_opt(osp,d2i_ASN1_OCTET_STRING,V_ASN1_OCTET_STRING);
1.318 + if (os.data)
1.319 + {
1.320 + if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH)
1.321 + ret->krb5_client_princ_len=0;
1.322 + else
1.323 + ret->krb5_client_princ_len=os.length;
1.324 + memcpy(ret->krb5_client_princ,os.data,ret->krb5_client_princ_len);
1.325 + OPENSSL_free(os.data);
1.326 + os.data = NULL;
1.327 + os.length = 0;
1.328 + }
1.329 + else
1.330 + ret->krb5_client_princ_len=0;
1.331 +#endif /* OPENSSL_NO_KRB5 */
1.332 +
1.333 + M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
1.334 + if (os.length > SSL_MAX_KEY_ARG_LENGTH)
1.335 + ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
1.336 + else
1.337 + ret->key_arg_length=os.length;
1.338 + memcpy(ret->key_arg,os.data,ret->key_arg_length);
1.339 + if (os.data != NULL) OPENSSL_free(os.data);
1.340 +
1.341 + ai.length=0;
1.342 + M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
1.343 + if (ai.data != NULL)
1.344 + {
1.345 + ret->time=ASN1_INTEGER_get(aip);
1.346 + OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
1.347 + }
1.348 + else
1.349 + ret->time=(unsigned long)time(NULL);
1.350 +
1.351 + ai.length=0;
1.352 + M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
1.353 + if (ai.data != NULL)
1.354 + {
1.355 + ret->timeout=ASN1_INTEGER_get(aip);
1.356 + OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
1.357 + }
1.358 + else
1.359 + ret->timeout=3;
1.360 +
1.361 + if (ret->peer != NULL)
1.362 + {
1.363 + X509_free(ret->peer);
1.364 + ret->peer=NULL;
1.365 + }
1.366 + M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
1.367 +
1.368 + os.length=0;
1.369 + os.data=NULL;
1.370 + M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4);
1.371 +
1.372 + if(os.data != NULL)
1.373 + {
1.374 + if (os.length > SSL_MAX_SID_CTX_LENGTH)
1.375 + {
1.376 + ret->sid_ctx_length=os.length;
1.377 + SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_BAD_LENGTH);
1.378 + }
1.379 + else
1.380 + {
1.381 + ret->sid_ctx_length=os.length;
1.382 + memcpy(ret->sid_ctx,os.data,os.length);
1.383 + }
1.384 + OPENSSL_free(os.data); os.data=NULL; os.length=0;
1.385 + }
1.386 + else
1.387 + ret->sid_ctx_length=0;
1.388 +
1.389 + ai.length=0;
1.390 + M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,5);
1.391 + if (ai.data != NULL)
1.392 + {
1.393 + ret->verify_result=ASN1_INTEGER_get(aip);
1.394 + OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
1.395 + }
1.396 + else
1.397 + ret->verify_result=X509_V_OK;
1.398 +
1.399 +
1.400 + M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
1.401 + }