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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 "buffer.h"
62#include "asn1.h"
63#include "objects.h"
64
65/* ASN1err(ASN1_F_ASN1_OBJECT_NEW,ASN1_R_EXPECTING_AN_OBJECT);
66 * ASN1err(ASN1_F_D2I_ASN1_OBJECT,ASN1_R_BAD_OBJECT_HEADER);
67 * ASN1err(ASN1_F_I2T_ASN1_OBJECT,ASN1_R_BAD_OBJECT_HEADER);
68 */
69
70int i2d_ASN1_OBJECT(a, pp)
71ASN1_OBJECT *a;
72unsigned char **pp;
73 {
74 unsigned char *p;
75
76 if ((a == NULL) || (a->data == NULL)) return(0);
77
78 if (pp == NULL)
79 return(ASN1_object_size(0,a->length,V_ASN1_OBJECT));
80
81 p= *pp;
82 ASN1_put_object(&p,0,a->length,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
83 memcpy(p,a->data,a->length);
84 p+=a->length;
85
86 *pp=p;
87 return(a->length);
88 }
89
90int a2d_ASN1_OBJECT(out,olen,buf,num)
91unsigned char *out;
92int olen;
93char *buf;
94int num;
95 {
96 int i,first,len=0,c;
97 char tmp[24],*p;
98 unsigned long l;
99
100 if (num == 0)
101 return(0);
102 else if (num == -1)
103 num=strlen(buf);
104
105 p=buf;
106 c= *(p++);
107 num--;
108 if ((c >= '0') && (c <= '2'))
109 {
110 first=(c-'0')*40;
111 }
112 else
113 {
114 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_FIRST_NUM_TOO_LARGE);
115 goto err;
116 }
117
118 if (num <= 0)
119 {
120 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_MISSING_SECOND_NUMBER);
121 goto err;
122 }
123 c= *(p++);
124 num--;
125 for (;;)
126 {
127 if (num <= 0) break;
128 if ((c != '.') && (c != ' '))
129 {
130 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_SEPARATOR);
131 goto err;
132 }
133 l=0;
134 for (;;)
135 {
136 if (num <= 0) break;
137 num--;
138 c= *(p++);
139 if ((c == ' ') || (c == '.'))
140 break;
141 if ((c < '0') || (c > '9'))
142 {
143 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_DIGIT);
144 goto err;
145 }
146 l=l*10L+(long)(c-'0');
147 }
148 if (len == 0)
149 {
150 if ((first < 2) && (l >= 40))
151 {
152 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_SECOND_NUMBER_TOO_LARGE);
153 goto err;
154 }
155 l+=(long)first;
156 }
157 i=0;
158 for (;;)
159 {
160 tmp[i++]=(unsigned char)l&0x7f;
161 l>>=7L;
162 if (l == 0L) break;
163 }
164 if (out != NULL)
165 {
166 if (len+i > olen)
167 {
168 ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_BUFFER_TOO_SMALL);
169 goto err;
170 }
171 while (--i > 0)
172 out[len++]=tmp[i]|0x80;
173 out[len++]=tmp[0];
174 }
175 else
176 len+=i;
177 }
178 return(len);
179err:
180 return(0);
181 }
182
183int i2t_ASN1_OBJECT(buf,buf_len,a)
184char *buf;
185int buf_len;
186ASN1_OBJECT *a;
187 {
188 int i,idx=0,n=0,len,nid;
189 unsigned long l;
190 unsigned char *p;
191 char *s;
192 char tbuf[32];
193
194 if (buf_len <= 0) return(0);
195
196 if ((a == NULL) || (a->data == NULL))
197 {
198 buf[0]='\0';
199 return(0);
200 }
201
202 nid=OBJ_obj2nid(a);
203 if (nid == NID_undef)
204 {
205 len=a->length;
206 p=a->data;
207
208 idx=0;
209 l=0;
210 while (idx < a->length)
211 {
212 l|=(p[idx]&0x7f);
213 if (!(p[idx] & 0x80)) break;
214 l<<=7L;
215 idx++;
216 }
217 idx++;
218 i=(int)(l/40);
219 if (i > 2) i=2;
220 l-=(long)(i*40);
221
222 sprintf(tbuf,"%d.%ld",i,l);
223 i=strlen(tbuf);
224 strncpy(buf,tbuf,buf_len);
225 buf_len-=i;
226 buf+=i;
227 n+=i;
228
229 l=0;
230 for (; idx<len; idx++)
231 {
232 l|=p[idx]&0x7f;
233 if (!(p[idx] & 0x80))
234 {
235 sprintf(tbuf,".%ld",l);
236 i=strlen(tbuf);
237 if (buf_len > 0)
238 strncpy(buf,tbuf,buf_len);
239 buf_len-=i;
240 buf+=i;
241 n+=i;
242 l=0;
243 }
244 l<<=7L;
245 }
246 }
247 else
248 {
249 s=(char *)OBJ_nid2ln(nid);
250 if (s == NULL)
251 s=(char *)OBJ_nid2sn(nid);
252 strncpy(buf,s,buf_len);
253 n=strlen(s);
254 }
255 buf[buf_len-1]='\0';
256 return(n);
257 }
258
259int i2a_ASN1_OBJECT(bp,a)
260BIO *bp;
261ASN1_OBJECT *a;
262 {
263 char buf[80];
264 int i;
265
266 if ((a == NULL) || (a->data == NULL))
267 return(BIO_write(bp,"NULL",4));
268 i=i2t_ASN1_OBJECT(buf,80,a);
269 if (i > 80) i=80;
270 BIO_write(bp,buf,i);
271 return(i);
272 }
273
274ASN1_OBJECT *d2i_ASN1_OBJECT(a, pp, length)
275ASN1_OBJECT **a;
276unsigned char **pp;
277long length;
278 {
279 ASN1_OBJECT *ret=NULL;
280 unsigned char *p;
281 long len;
282 int tag,xclass;
283 int inf,i;
284
285 /* only the ASN1_OBJECTs from the 'table' will have values
286 * for ->sn or ->ln */
287 if ((a == NULL) || ((*a) == NULL) ||
288 !((*a)->flags & ASN1_OBJECT_FLAG_DYNAMIC))
289 {
290 if ((ret=ASN1_OBJECT_new()) == NULL) return(NULL);
291 }
292 else ret=(*a);
293
294 p= *pp;
295
296 inf=ASN1_get_object(&p,&len,&tag,&xclass,length);
297 if (inf & 0x80)
298 {
299 i=ASN1_R_BAD_OBJECT_HEADER;
300 goto err;
301 }
302
303 if (tag != V_ASN1_OBJECT)
304 {
305 i=ASN1_R_EXPECTING_AN_OBJECT;
306 goto err;
307 }
308 if ((ret->data == NULL) || (ret->length < len))
309 {
310 if (ret->data != NULL) Free((char *)ret->data);
311 ret->data=(unsigned char *)Malloc((int)len);
312 ret->flags|=ASN1_OBJECT_FLAG_DYNAMIC_DATA;
313 if (ret->data == NULL)
314 { i=ERR_R_MALLOC_FAILURE; goto err; }
315 }
316 memcpy(ret->data,p,(int)len);
317 ret->length=(int)len;
318 ret->sn=NULL;
319 ret->ln=NULL;
320 /* ret->flags=ASN1_OBJECT_FLAG_DYNAMIC; we know it is dynamic */
321 p+=len;
322
323 if (a != NULL) (*a)=ret;
324 *pp=p;
325 return(ret);
326err:
327 ASN1err(ASN1_F_D2I_ASN1_OBJECT,i);
328 if ((ret != NULL) && ((a == NULL) || (*a != ret)))
329 ASN1_OBJECT_free(ret);
330 return(NULL);
331 }
332
333ASN1_OBJECT *ASN1_OBJECT_new()
334 {
335 ASN1_OBJECT *ret;
336
337 ret=(ASN1_OBJECT *)Malloc(sizeof(ASN1_OBJECT));
338 if (ret == NULL)
339 {
340 ASN1err(ASN1_F_ASN1_OBJECT_NEW,ERR_R_MALLOC_FAILURE);
341 return(NULL);
342 }
343 ret->length=0;
344 ret->data=NULL;
345 ret->nid=0;
346 ret->sn=NULL;
347 ret->ln=NULL;
348 ret->flags=ASN1_OBJECT_FLAG_DYNAMIC;
349 return(ret);
350 }
351
352void ASN1_OBJECT_free(a)
353ASN1_OBJECT *a;
354 {
355 if (a == NULL) return;
356 if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_STRINGS)
357 {
358 if (a->sn != NULL) Free(a->sn);
359 if (a->ln != NULL) Free(a->ln);
360 a->sn=a->ln=NULL;
361 }
362 if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA)
363 {
364 if (a->data != NULL) Free(a->data);
365 a->data=NULL;
366 a->length=0;
367 }
368 if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC)
369 Free((char *)a);
370 }
371
372ASN1_OBJECT *ASN1_OBJECT_create(nid,data,len,sn,ln)
373int nid;
374unsigned char *data;
375int len;
376char *sn,*ln;
377 {
378 ASN1_OBJECT o;
379
380 o.sn=sn;
381 o.ln=ln;
382 o.data=data;
383 o.nid=nid;
384 o.length=len;
385 o.flags=ASN1_OBJECT_FLAG_DYNAMIC|
386 ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|ASN1_OBJECT_FLAG_DYNAMIC_DATA;
387 return(OBJ_dup(&o));
388 }
389
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