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diff --git a/src/lib/libcrypto/asn1/a_object.c b/src/lib/libcrypto/asn1/a_object.c
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1/* crypto/asn1/a_object.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 "cryptlib.h"
61#include <openssl/buffer.h>
62#include <openssl/asn1.h>
63#include <openssl/objects.h>
64
65int i2d_ASN1_OBJECT(ASN1_OBJECT *a, unsigned char **pp)
66 {
67 unsigned char *p;
68 int objsize;
69
70 if ((a == NULL) || (a->data == NULL)) return(0);
71
72 objsize = ASN1_object_size(0,a->length,V_ASN1_OBJECT);
73 if (pp == NULL) return objsize;
74
75 p= *pp;
76 ASN1_put_object(&p,0,a->length,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
77 memcpy(p,a->data,a->length);
78 p+=a->length;
79
80 *pp=p;
81 return(objsize);
82 }
83
84int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num)
85 {
86 int i,first,len=0,c;
87 char tmp[24];
88 const char *p;
89 unsigned long l;
90
91 if (num == 0)
92 return(0);
93 else if (num == -1)
94 num=strlen(buf);
95
96 p=buf;
97 c= *(p++);
98 num--;
99 if ((c >= '0') && (c <= '2'))
100 {
101 first=(c-'0')*40;
102 }
103 else
104 {
105 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_FIRST_NUM_TOO_LARGE);
106 goto err;
107 }
108
109 if (num <= 0)
110 {
111 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_MISSING_SECOND_NUMBER);
112 goto err;
113 }
114 c= *(p++);
115 num--;
116 for (;;)
117 {
118 if (num <= 0) break;
119 if ((c != '.') && (c != ' '))
120 {
121 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_SEPARATOR);
122 goto err;
123 }
124 l=0;
125 for (;;)
126 {
127 if (num <= 0) break;
128 num--;
129 c= *(p++);
130 if ((c == ' ') || (c == '.'))
131 break;
132 if ((c < '0') || (c > '9'))
133 {
134 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_DIGIT);
135 goto err;
136 }
137 l=l*10L+(long)(c-'0');
138 }
139 if (len == 0)
140 {
141 if ((first < 2) && (l >= 40))
142 {
143 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_SECOND_NUMBER_TOO_LARGE);
144 goto err;
145 }
146 l+=(long)first;
147 }
148 i=0;
149 for (;;)
150 {
151 tmp[i++]=(unsigned char)l&0x7f;
152 l>>=7L;
153 if (l == 0L) break;
154 }
155 if (out != NULL)
156 {
157 if (len+i > olen)
158 {
159 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_BUFFER_TOO_SMALL);
160 goto err;
161 }
162 while (--i > 0)
163 out[len++]=tmp[i]|0x80;
164 out[len++]=tmp[0];
165 }
166 else
167 len+=i;
168 }
169 return(len);
170err:
171 return(0);
172 }
173
174int i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a)
175{
176 return OBJ_obj2txt(buf, buf_len, a, 0);
177}
178
179int i2a_ASN1_OBJECT(BIO *bp, ASN1_OBJECT *a)
180 {
181 char buf[80];
182 int i;
183
184 if ((a == NULL) || (a->data == NULL))
185 return(BIO_write(bp,"NULL",4));
186 i=i2t_ASN1_OBJECT(buf,sizeof buf,a);
187 if (i > sizeof buf) i=sizeof buf;
188 BIO_write(bp,buf,i);
189 return(i);
190 }
191
192ASN1_OBJECT *d2i_ASN1_OBJECT(ASN1_OBJECT **a, unsigned char **pp,
193 long length)
194{
195 unsigned char *p;
196 long len;
197 int tag,xclass;
198 int inf,i;
199 ASN1_OBJECT *ret = NULL;
200 p= *pp;
201 inf=ASN1_get_object(&p,&len,&tag,&xclass,length);
202 if (inf & 0x80)
203 {
204 i=ASN1_R_BAD_OBJECT_HEADER;
205 goto err;
206 }
207
208 if (tag != V_ASN1_OBJECT)
209 {
210 i=ASN1_R_EXPECTING_AN_OBJECT;
211 goto err;
212 }
213 ret = c2i_ASN1_OBJECT(a, &p, len);
214 if(ret) *pp = p;
215 return ret;
216err:
217 ASN1err(ASN1_F_D2I_ASN1_OBJECT,i);
218 if ((ret != NULL) && ((a == NULL) || (*a != ret)))
219 ASN1_OBJECT_free(ret);
220 return(NULL);
221}
222ASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, unsigned char **pp,
223 long len)
224 {
225 ASN1_OBJECT *ret=NULL;
226 unsigned char *p;
227 int i;
228
229 /* only the ASN1_OBJECTs from the 'table' will have values
230 * for ->sn or ->ln */
231 if ((a == NULL) || ((*a) == NULL) ||
232 !((*a)->flags & ASN1_OBJECT_FLAG_DYNAMIC))
233 {
234 if ((ret=ASN1_OBJECT_new()) == NULL) return(NULL);
235 }
236 else ret=(*a);
237
238 p= *pp;
239 if ((ret->data == NULL) || (ret->length < len))
240 {
241 if (ret->data != NULL) OPENSSL_free(ret->data);
242 ret->data=(unsigned char *)OPENSSL_malloc(len ? (int)len : 1);
243 ret->flags|=ASN1_OBJECT_FLAG_DYNAMIC_DATA;
244 if (ret->data == NULL)
245 { i=ERR_R_MALLOC_FAILURE; goto err; }
246 }
247 memcpy(ret->data,p,(int)len);
248 ret->length=(int)len;
249 ret->sn=NULL;
250 ret->ln=NULL;
251 /* ret->flags=ASN1_OBJECT_FLAG_DYNAMIC; we know it is dynamic */
252 p+=len;
253
254 if (a != NULL) (*a)=ret;
255 *pp=p;
256 return(ret);
257err:
258 ASN1err(ASN1_F_D2I_ASN1_OBJECT,i);
259 if ((ret != NULL) && ((a == NULL) || (*a != ret)))
260 ASN1_OBJECT_free(ret);
261 return(NULL);
262 }
263
264ASN1_OBJECT *ASN1_OBJECT_new(void)
265 {
266 ASN1_OBJECT *ret;
267
268 ret=(ASN1_OBJECT *)OPENSSL_malloc(sizeof(ASN1_OBJECT));
269 if (ret == NULL)
270 {
271 ASN1err(ASN1_F_ASN1_OBJECT_NEW,ERR_R_MALLOC_FAILURE);
272 return(NULL);
273 }
274 ret->length=0;
275 ret->data=NULL;
276 ret->nid=0;
277 ret->sn=NULL;
278 ret->ln=NULL;
279 ret->flags=ASN1_OBJECT_FLAG_DYNAMIC;
280 return(ret);
281 }
282
283void ASN1_OBJECT_free(ASN1_OBJECT *a)
284 {
285 if (a == NULL) return;
286 if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_STRINGS)
287 {
288#ifndef CONST_STRICT /* disable purely for compile-time strict const checking. Doing this on a "real" compile will cause memory leaks */
289 if (a->sn != NULL) OPENSSL_free((void *)a->sn);
290 if (a->ln != NULL) OPENSSL_free((void *)a->ln);
291#endif
292 a->sn=a->ln=NULL;
293 }
294 if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA)
295 {
296 if (a->data != NULL) OPENSSL_free(a->data);
297 a->data=NULL;
298 a->length=0;
299 }
300 if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC)
301 OPENSSL_free(a);
302 }
303
304ASN1_OBJECT *ASN1_OBJECT_create(int nid, unsigned char *data, int len,
305 const char *sn, const char *ln)
306 {
307 ASN1_OBJECT o;
308
309 o.sn=sn;
310 o.ln=ln;
311 o.data=data;
312 o.nid=nid;
313 o.length=len;
314 o.flags=ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
315 ASN1_OBJECT_FLAG_DYNAMIC_DATA;
316 return(OBJ_dup(&o));
317 }
318
319IMPLEMENT_STACK_OF(ASN1_OBJECT)
320IMPLEMENT_ASN1_SET_OF(ASN1_OBJECT)
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