1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/libcrypto/src/crypto/asn1/x_name.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,275 @@
1.4 +/* crypto/asn1/x_name.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 "cryptlib.h"
1.64 +#include <openssl/asn1t.h>
1.65 +#include <openssl/x509.h>
1.66 +
1.67 +static int x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, long len, const ASN1_ITEM *it,
1.68 + int tag, int aclass, char opt, ASN1_TLC *ctx);
1.69 +
1.70 +static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass);
1.71 +static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it);
1.72 +static void x509_name_ex_free(ASN1_VALUE **val, const ASN1_ITEM *it);
1.73 +
1.74 +static int x509_name_encode(X509_NAME *a);
1.75 +
1.76 +ASN1_SEQUENCE(X509_NAME_ENTRY) = {
1.77 + ASN1_SIMPLE(X509_NAME_ENTRY, object, ASN1_OBJECT),
1.78 + ASN1_SIMPLE(X509_NAME_ENTRY, value, ASN1_PRINTABLE)
1.79 +} ASN1_SEQUENCE_END(X509_NAME_ENTRY)
1.80 +
1.81 +IMPLEMENT_ASN1_FUNCTIONS(X509_NAME_ENTRY)
1.82 +IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME_ENTRY)
1.83 +
1.84 +/* For the "Name" type we need a SEQUENCE OF { SET OF X509_NAME_ENTRY }
1.85 + * so declare two template wrappers for this
1.86 + */
1.87 +
1.88 +ASN1_ITEM_TEMPLATE(X509_NAME_ENTRIES) =
1.89 + ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_OF, 0, RDNS, X509_NAME_ENTRY)
1.90 +ASN1_ITEM_TEMPLATE_END(X509_NAME_ENTRIES)
1.91 +
1.92 +ASN1_ITEM_TEMPLATE(X509_NAME_INTERNAL) =
1.93 + ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, Name, X509_NAME_ENTRIES)
1.94 +ASN1_ITEM_TEMPLATE_END(X509_NAME_INTERNAL)
1.95 +
1.96 +/* Normally that's where it would end: we'd have two nested STACK structures
1.97 + * representing the ASN1. Unfortunately X509_NAME uses a completely different
1.98 + * form and caches encodings so we have to process the internal form and convert
1.99 + * to the external form.
1.100 + */
1.101 +
1.102 +const ASN1_EXTERN_FUNCS x509_name_ff = {
1.103 + NULL,
1.104 + x509_name_ex_new,
1.105 + x509_name_ex_free,
1.106 + 0, /* Default clear behaviour is OK */
1.107 + x509_name_ex_d2i,
1.108 + x509_name_ex_i2d
1.109 +};
1.110 +
1.111 +IMPLEMENT_EXTERN_ASN1(X509_NAME, V_ASN1_SEQUENCE, x509_name_ff)
1.112 +
1.113 +IMPLEMENT_ASN1_FUNCTIONS(X509_NAME)
1.114 +IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME)
1.115 +
1.116 +static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it)
1.117 +{
1.118 + X509_NAME *ret = NULL;
1.119 + ret = OPENSSL_malloc(sizeof(X509_NAME));
1.120 + if(!ret) goto memerr;
1.121 + if ((ret->entries=sk_X509_NAME_ENTRY_new_null()) == NULL)
1.122 + goto memerr;
1.123 + if((ret->bytes = BUF_MEM_new()) == NULL) goto memerr;
1.124 + ret->modified=1;
1.125 + *val = (ASN1_VALUE *)ret;
1.126 + return 1;
1.127 +
1.128 + memerr:
1.129 + ASN1err(ASN1_F_X509_NAME_EX_NEW, ERR_R_MALLOC_FAILURE);
1.130 + if (ret)
1.131 + {
1.132 + if (ret->entries)
1.133 + sk_X509_NAME_ENTRY_free(ret->entries);
1.134 + OPENSSL_free(ret);
1.135 + }
1.136 + return 0;
1.137 +}
1.138 +
1.139 +static void x509_name_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
1.140 +{
1.141 + X509_NAME *a;
1.142 + if(!pval || !*pval)
1.143 + return;
1.144 + a = (X509_NAME *)*pval;
1.145 +
1.146 + BUF_MEM_free(a->bytes);
1.147 + sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free);
1.148 + OPENSSL_free(a);
1.149 + *pval = NULL;
1.150 +}
1.151 +
1.152 +/* Used with sk_pop_free() to free up the internal representation.
1.153 + * NB: we only free the STACK and not its contents because it is
1.154 + * already present in the X509_NAME structure.
1.155 + */
1.156 +
1.157 +static void sk_internal_free(void *a)
1.158 +{
1.159 + sk_free(a);
1.160 +}
1.161 +
1.162 +static int x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, long len, const ASN1_ITEM *it,
1.163 + int tag, int aclass, char opt, ASN1_TLC *ctx)
1.164 +{
1.165 + const unsigned char *p = *in, *q;
1.166 + union { STACK *s; ASN1_VALUE *a; } intname = {NULL};
1.167 + union { X509_NAME *x; ASN1_VALUE *a; } nm = {NULL};
1.168 + int i, j, ret;
1.169 + STACK_OF(X509_NAME_ENTRY) *entries;
1.170 + X509_NAME_ENTRY *entry;
1.171 + q = p;
1.172 +
1.173 + /* Get internal representation of Name */
1.174 + ret = ASN1_item_ex_d2i(&intname.a,
1.175 + &p, len, ASN1_ITEM_rptr(X509_NAME_INTERNAL),
1.176 + tag, aclass, opt, ctx);
1.177 +
1.178 + if(ret <= 0) return ret;
1.179 +
1.180 + if(*val) x509_name_ex_free(val, NULL);
1.181 + if(!x509_name_ex_new(&nm.a, NULL)) goto err;
1.182 + /* We've decoded it: now cache encoding */
1.183 + if(!BUF_MEM_grow(nm.x->bytes, p - q)) goto err;
1.184 + memcpy(nm.x->bytes->data, q, p - q);
1.185 +
1.186 + /* Convert internal representation to X509_NAME structure */
1.187 + for(i = 0; i < sk_num(intname.s); i++) {
1.188 + entries = (STACK_OF(X509_NAME_ENTRY) *)sk_value(intname.s, i);
1.189 + for(j = 0; j < sk_X509_NAME_ENTRY_num(entries); j++) {
1.190 + entry = sk_X509_NAME_ENTRY_value(entries, j);
1.191 + entry->set = i;
1.192 + if(!sk_X509_NAME_ENTRY_push(nm.x->entries, entry))
1.193 + goto err;
1.194 + }
1.195 + sk_X509_NAME_ENTRY_free(entries);
1.196 + }
1.197 + sk_free(intname.s);
1.198 + nm.x->modified = 0;
1.199 + *val = nm.a;
1.200 + *in = p;
1.201 + return ret;
1.202 + err:
1.203 + ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
1.204 + return 0;
1.205 +}
1.206 +
1.207 +static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass)
1.208 +{
1.209 + int ret;
1.210 + X509_NAME *a = (X509_NAME *)*val;
1.211 + if(a->modified) {
1.212 + ret = x509_name_encode((X509_NAME *)a);
1.213 + if(ret < 0) return ret;
1.214 + }
1.215 + ret = a->bytes->length;
1.216 + if(out != NULL) {
1.217 + memcpy(*out,a->bytes->data,ret);
1.218 + *out+=ret;
1.219 + }
1.220 + return ret;
1.221 +}
1.222 +
1.223 +static int x509_name_encode(X509_NAME *a)
1.224 +{
1.225 + union { STACK *s; ASN1_VALUE *a; } intname = {NULL};
1.226 + int len;
1.227 + unsigned char *p;
1.228 + STACK_OF(X509_NAME_ENTRY) *entries = NULL;
1.229 + X509_NAME_ENTRY *entry;
1.230 + int i, set = -1;
1.231 + intname.s = sk_new_null();
1.232 + if(!intname.s) goto memerr;
1.233 + for(i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
1.234 + entry = sk_X509_NAME_ENTRY_value(a->entries, i);
1.235 + if(entry->set != set) {
1.236 + entries = sk_X509_NAME_ENTRY_new_null();
1.237 + if(!entries) goto memerr;
1.238 + if(!sk_push(intname.s, (char *)entries)) goto memerr;
1.239 + set = entry->set;
1.240 + }
1.241 + if(!sk_X509_NAME_ENTRY_push(entries, entry)) goto memerr;
1.242 + }
1.243 + len = ASN1_item_ex_i2d(&intname.a, NULL,
1.244 + ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
1.245 + if (!BUF_MEM_grow(a->bytes,len)) goto memerr;
1.246 + p=(unsigned char *)a->bytes->data;
1.247 + ASN1_item_ex_i2d(&intname.a,
1.248 + &p, ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
1.249 + sk_pop_free(intname.s, sk_internal_free);
1.250 + a->modified = 0;
1.251 + return len;
1.252 + memerr:
1.253 + sk_pop_free(intname.s, sk_internal_free);
1.254 + ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE);
1.255 + return -1;
1.256 +}
1.257 +
1.258 +
1.259 +EXPORT_C int X509_NAME_set(X509_NAME **xn, X509_NAME *name)
1.260 + {
1.261 + X509_NAME *in;
1.262 +
1.263 + if (!xn || !name) return(0);
1.264 +
1.265 + if (*xn != name)
1.266 + {
1.267 + in=X509_NAME_dup(name);
1.268 + if (in != NULL)
1.269 + {
1.270 + X509_NAME_free(*xn);
1.271 + *xn=in;
1.272 + }
1.273 + }
1.274 + return(*xn != NULL);
1.275 + }
1.276 +
1.277 +IMPLEMENT_STACK_OF(X509_NAME_ENTRY)
1.278 +IMPLEMENT_ASN1_SET_OF(X509_NAME_ENTRY)