]>
Commit | Line | Data |
---|---|---|
d02b48c6 | 1 | /* crypto/asn1/a_object.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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" | |
ec577822 BM |
61 | #include <openssl/buffer.h> |
62 | #include <openssl/asn1.h> | |
63 | #include <openssl/objects.h> | |
d02b48c6 | 64 | |
6b691a5c | 65 | int i2d_ASN1_OBJECT(ASN1_OBJECT *a, unsigned char **pp) |
d02b48c6 RE |
66 | { |
67 | unsigned char *p; | |
469938cb | 68 | int objsize; |
d02b48c6 RE |
69 | |
70 | if ((a == NULL) || (a->data == NULL)) return(0); | |
71 | ||
469938cb DSH |
72 | objsize = ASN1_object_size(0,a->length,V_ASN1_OBJECT); |
73 | if (pp == NULL) return objsize; | |
d02b48c6 RE |
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; | |
469938cb | 81 | return(objsize); |
d02b48c6 RE |
82 | } |
83 | ||
6b691a5c | 84 | int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num) |
d02b48c6 RE |
85 | { |
86 | int i,first,len=0,c; | |
e778802f BL |
87 | char tmp[24]; |
88 | const char *p; | |
d02b48c6 RE |
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); | |
170 | err: | |
171 | return(0); | |
172 | } | |
173 | ||
6b691a5c | 174 | int i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a) |
3e3d2ea2 DSH |
175 | { |
176 | return OBJ_obj2txt(buf, buf_len, a, 0); | |
177 | } | |
58964a49 | 178 | |
6b691a5c | 179 | int i2a_ASN1_OBJECT(BIO *bp, ASN1_OBJECT *a) |
58964a49 RE |
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,80,a); | |
187 | if (i > 80) i=80; | |
188 | BIO_write(bp,buf,i); | |
189 | return(i); | |
d02b48c6 RE |
190 | } |
191 | ||
6b691a5c UM |
192 | ASN1_OBJECT *d2i_ASN1_OBJECT(ASN1_OBJECT **a, unsigned char **pp, |
193 | long length) | |
284ef5f3 | 194 | { |
d02b48c6 RE |
195 | unsigned char *p; |
196 | long len; | |
197 | int tag,xclass; | |
198 | int inf,i; | |
284ef5f3 | 199 | ASN1_OBJECT *ret = NULL; |
d02b48c6 | 200 | p= *pp; |
d02b48c6 RE |
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 | } | |
284ef5f3 DSH |
213 | ret = c2i_ASN1_OBJECT(a, &p, len); |
214 | if(ret) *pp = p; | |
215 | return ret; | |
216 | err: | |
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 | } | |
222 | ASN1_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; | |
d02b48c6 RE |
239 | if ((ret->data == NULL) || (ret->length < len)) |
240 | { | |
26a3a48d RL |
241 | if (ret->data != NULL) OPENSSL_free(ret->data); |
242 | ret->data=(unsigned char *)OPENSSL_malloc(len ? (int)len : 1); | |
d02b48c6 RE |
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); | |
257 | err: | |
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 | ||
6b691a5c | 264 | ASN1_OBJECT *ASN1_OBJECT_new(void) |
d02b48c6 RE |
265 | { |
266 | ASN1_OBJECT *ret; | |
267 | ||
26a3a48d | 268 | ret=(ASN1_OBJECT *)OPENSSL_malloc(sizeof(ASN1_OBJECT)); |
d02b48c6 RE |
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 | ||
6b691a5c | 283 | void ASN1_OBJECT_free(ASN1_OBJECT *a) |
d02b48c6 RE |
284 | { |
285 | if (a == NULL) return; | |
286 | if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_STRINGS) | |
287 | { | |
657e60fa | 288 | #ifndef CONST_STRICT /* disable purely for compile-time strict const checking. Doing this on a "real" compile will cause memory leaks */ |
26a3a48d RL |
289 | if (a->sn != NULL) OPENSSL_free((void *)a->sn); |
290 | if (a->ln != NULL) OPENSSL_free((void *)a->ln); | |
e778802f | 291 | #endif |
d02b48c6 RE |
292 | a->sn=a->ln=NULL; |
293 | } | |
294 | if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA) | |
295 | { | |
26a3a48d | 296 | if (a->data != NULL) OPENSSL_free(a->data); |
d02b48c6 RE |
297 | a->data=NULL; |
298 | a->length=0; | |
299 | } | |
300 | if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC) | |
26a3a48d | 301 | OPENSSL_free(a); |
d02b48c6 RE |
302 | } |
303 | ||
6b691a5c UM |
304 | ASN1_OBJECT *ASN1_OBJECT_create(int nid, unsigned char *data, int len, |
305 | char *sn, char *ln) | |
d02b48c6 RE |
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; | |
dfeab068 RE |
314 | o.flags=ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS| |
315 | ASN1_OBJECT_FLAG_DYNAMIC_DATA; | |
d02b48c6 RE |
316 | return(OBJ_dup(&o)); |
317 | } | |
318 | ||
66ab08b1 DSH |
319 | IMPLEMENT_STACK_OF(ASN1_OBJECT) |
320 | IMPLEMENT_ASN1_SET_OF(ASN1_OBJECT) |