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d02b48c6 | 1 | /* crypto/asn1/a_type.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 | 61 | #include <openssl/asn1_mac.h> |
d02b48c6 | 62 | |
d02b48c6 | 63 | static void ASN1_TYPE_component_free(ASN1_TYPE *a); |
6b691a5c | 64 | int i2d_ASN1_TYPE(ASN1_TYPE *a, unsigned char **pp) |
d02b48c6 RE |
65 | { |
66 | int r=0; | |
67 | ||
68 | if (a == NULL) return(0); | |
69 | ||
70 | switch (a->type) | |
71 | { | |
72 | case V_ASN1_NULL: | |
73 | if (pp != NULL) | |
74 | ASN1_put_object(pp,0,0,V_ASN1_NULL,V_ASN1_UNIVERSAL); | |
75 | r=2; | |
76 | break; | |
77 | case V_ASN1_INTEGER: | |
78 | case V_ASN1_NEG_INTEGER: | |
79 | r=i2d_ASN1_INTEGER(a->value.integer,pp); | |
80 | break; | |
bceacf93 DSH |
81 | case V_ASN1_ENUMERATED: |
82 | case V_ASN1_NEG_ENUMERATED: | |
83 | r=i2d_ASN1_ENUMERATED(a->value.enumerated,pp); | |
84 | break; | |
d02b48c6 RE |
85 | case V_ASN1_BIT_STRING: |
86 | r=i2d_ASN1_BIT_STRING(a->value.bit_string,pp); | |
87 | break; | |
88 | case V_ASN1_OCTET_STRING: | |
89 | r=i2d_ASN1_OCTET_STRING(a->value.octet_string,pp); | |
90 | break; | |
91 | case V_ASN1_OBJECT: | |
92 | r=i2d_ASN1_OBJECT(a->value.object,pp); | |
93 | break; | |
94 | case V_ASN1_PRINTABLESTRING: | |
95 | r=M_i2d_ASN1_PRINTABLESTRING(a->value.printablestring,pp); | |
96 | break; | |
97 | case V_ASN1_T61STRING: | |
98 | r=M_i2d_ASN1_T61STRING(a->value.t61string,pp); | |
99 | break; | |
100 | case V_ASN1_IA5STRING: | |
101 | r=M_i2d_ASN1_IA5STRING(a->value.ia5string,pp); | |
102 | break; | |
103 | case V_ASN1_GENERALSTRING: | |
104 | r=M_i2d_ASN1_GENERALSTRING(a->value.generalstring,pp); | |
105 | break; | |
106 | case V_ASN1_UNIVERSALSTRING: | |
107 | r=M_i2d_ASN1_UNIVERSALSTRING(a->value.universalstring,pp); | |
108 | break; | |
d77b3054 DSH |
109 | case V_ASN1_UTF8STRING: |
110 | r=M_i2d_ASN1_UTF8STRING(a->value.utf8string,pp); | |
111 | break; | |
112 | case V_ASN1_VISIBLESTRING: | |
113 | r=M_i2d_ASN1_VISIBLESTRING(a->value.visiblestring,pp); | |
114 | break; | |
58964a49 RE |
115 | case V_ASN1_BMPSTRING: |
116 | r=M_i2d_ASN1_BMPSTRING(a->value.bmpstring,pp); | |
117 | break; | |
d02b48c6 RE |
118 | case V_ASN1_UTCTIME: |
119 | r=i2d_ASN1_UTCTIME(a->value.utctime,pp); | |
120 | break; | |
f6aed2cd DSH |
121 | case V_ASN1_GENERALIZEDTIME: |
122 | r=i2d_ASN1_GENERALIZEDTIME(a->value.generalizedtime,pp); | |
123 | break; | |
d02b48c6 RE |
124 | case V_ASN1_SET: |
125 | case V_ASN1_SEQUENCE: | |
126 | if (a->value.set == NULL) | |
127 | r=0; | |
128 | else | |
129 | { | |
130 | r=a->value.set->length; | |
131 | if (pp != NULL) | |
132 | { | |
133 | memcpy(*pp,a->value.set->data,r); | |
134 | *pp+=r; | |
135 | } | |
136 | } | |
137 | break; | |
138 | } | |
139 | return(r); | |
140 | } | |
141 | ||
6b691a5c | 142 | ASN1_TYPE *d2i_ASN1_TYPE(ASN1_TYPE **a, unsigned char **pp, long length) |
d02b48c6 RE |
143 | { |
144 | ASN1_TYPE *ret=NULL; | |
145 | unsigned char *q,*p,*max; | |
146 | int inf,tag,xclass; | |
147 | long len; | |
148 | ||
149 | if ((a == NULL) || ((*a) == NULL)) | |
150 | { | |
151 | if ((ret=ASN1_TYPE_new()) == NULL) goto err; | |
152 | } | |
153 | else | |
154 | ret=(*a); | |
155 | ||
156 | p= *pp; | |
157 | q=p; | |
158 | max=(p+length); | |
159 | ||
160 | inf=ASN1_get_object(&q,&len,&tag,&xclass,length); | |
161 | if (inf & 0x80) goto err; | |
162 | ||
163 | ASN1_TYPE_component_free(ret); | |
164 | ||
165 | switch (tag) | |
166 | { | |
167 | case V_ASN1_NULL: | |
168 | p=q; | |
169 | ret->value.ptr=NULL; | |
170 | break; | |
171 | case V_ASN1_INTEGER: | |
172 | if ((ret->value.integer= | |
173 | d2i_ASN1_INTEGER(NULL,&p,max-p)) == NULL) | |
174 | goto err; | |
175 | break; | |
bceacf93 DSH |
176 | case V_ASN1_ENUMERATED: |
177 | if ((ret->value.enumerated= | |
178 | d2i_ASN1_ENUMERATED(NULL,&p,max-p)) == NULL) | |
179 | goto err; | |
180 | break; | |
d02b48c6 RE |
181 | case V_ASN1_BIT_STRING: |
182 | if ((ret->value.bit_string= | |
183 | d2i_ASN1_BIT_STRING(NULL,&p,max-p)) == NULL) | |
184 | goto err; | |
185 | break; | |
186 | case V_ASN1_OCTET_STRING: | |
187 | if ((ret->value.octet_string= | |
188 | d2i_ASN1_OCTET_STRING(NULL,&p,max-p)) == NULL) | |
189 | goto err; | |
190 | break; | |
d77b3054 DSH |
191 | case V_ASN1_VISIBLESTRING: |
192 | if ((ret->value.visiblestring= | |
193 | d2i_ASN1_VISIBLESTRING(NULL,&p,max-p)) == NULL) | |
194 | goto err; | |
195 | break; | |
196 | case V_ASN1_UTF8STRING: | |
197 | if ((ret->value.utf8string= | |
198 | d2i_ASN1_UTF8STRING(NULL,&p,max-p)) == NULL) | |
199 | goto err; | |
200 | break; | |
d02b48c6 RE |
201 | case V_ASN1_OBJECT: |
202 | if ((ret->value.object= | |
203 | d2i_ASN1_OBJECT(NULL,&p,max-p)) == NULL) | |
204 | goto err; | |
205 | break; | |
206 | case V_ASN1_PRINTABLESTRING: | |
207 | if ((ret->value.printablestring= | |
208 | d2i_ASN1_PRINTABLESTRING(NULL,&p,max-p)) == NULL) | |
209 | goto err; | |
210 | break; | |
211 | case V_ASN1_T61STRING: | |
212 | if ((ret->value.t61string= | |
213 | M_d2i_ASN1_T61STRING(NULL,&p,max-p)) == NULL) | |
214 | goto err; | |
215 | break; | |
216 | case V_ASN1_IA5STRING: | |
217 | if ((ret->value.ia5string= | |
218 | M_d2i_ASN1_IA5STRING(NULL,&p,max-p)) == NULL) | |
219 | goto err; | |
220 | break; | |
221 | case V_ASN1_GENERALSTRING: | |
222 | if ((ret->value.generalstring= | |
223 | M_d2i_ASN1_GENERALSTRING(NULL,&p,max-p)) == NULL) | |
224 | goto err; | |
225 | break; | |
226 | case V_ASN1_UNIVERSALSTRING: | |
227 | if ((ret->value.universalstring= | |
228 | M_d2i_ASN1_UNIVERSALSTRING(NULL,&p,max-p)) == NULL) | |
229 | goto err; | |
230 | break; | |
58964a49 RE |
231 | case V_ASN1_BMPSTRING: |
232 | if ((ret->value.bmpstring= | |
233 | M_d2i_ASN1_BMPSTRING(NULL,&p,max-p)) == NULL) | |
234 | goto err; | |
235 | break; | |
d02b48c6 RE |
236 | case V_ASN1_UTCTIME: |
237 | if ((ret->value.utctime= | |
238 | d2i_ASN1_UTCTIME(NULL,&p,max-p)) == NULL) | |
239 | goto err; | |
240 | break; | |
f6aed2cd DSH |
241 | case V_ASN1_GENERALIZEDTIME: |
242 | if ((ret->value.generalizedtime= | |
243 | d2i_ASN1_GENERALIZEDTIME(NULL,&p,max-p)) == NULL) | |
244 | goto err; | |
245 | break; | |
d02b48c6 RE |
246 | case V_ASN1_SET: |
247 | case V_ASN1_SEQUENCE: | |
248 | /* Sets and sequences are left complete */ | |
249 | if ((ret->value.set=ASN1_STRING_new()) == NULL) goto err; | |
250 | ret->value.set->type=tag; | |
251 | len+=(q-p); | |
252 | if (!ASN1_STRING_set(ret->value.set,p,(int)len)) goto err; | |
253 | p+=len; | |
254 | break; | |
255 | default: | |
256 | ASN1err(ASN1_F_D2I_ASN1_TYPE,ASN1_R_BAD_TYPE); | |
257 | goto err; | |
258 | } | |
259 | ||
260 | ret->type=tag; | |
261 | if (a != NULL) (*a)=ret; | |
262 | *pp=p; | |
263 | return(ret); | |
264 | err: | |
265 | if ((ret != NULL) && ((a == NULL) || (*a != ret))) ASN1_TYPE_free(ret); | |
266 | return(NULL); | |
267 | } | |
268 | ||
6b691a5c | 269 | ASN1_TYPE *ASN1_TYPE_new(void) |
d02b48c6 RE |
270 | { |
271 | ASN1_TYPE *ret=NULL; | |
dfeab068 | 272 | ASN1_CTX c; |
d02b48c6 RE |
273 | |
274 | M_ASN1_New_Malloc(ret,ASN1_TYPE); | |
275 | ret->type= -1; | |
276 | ret->value.ptr=NULL; | |
277 | return(ret); | |
278 | M_ASN1_New_Error(ASN1_F_ASN1_TYPE_NEW); | |
279 | } | |
280 | ||
6b691a5c | 281 | void ASN1_TYPE_free(ASN1_TYPE *a) |
d02b48c6 RE |
282 | { |
283 | if (a == NULL) return; | |
284 | ASN1_TYPE_component_free(a); | |
51ca375e | 285 | Free(a); |
d02b48c6 RE |
286 | } |
287 | ||
6b691a5c | 288 | int ASN1_TYPE_get(ASN1_TYPE *a) |
d02b48c6 RE |
289 | { |
290 | if (a->value.ptr != NULL) | |
291 | return(a->type); | |
292 | else | |
293 | return(0); | |
294 | } | |
295 | ||
c8b41850 | 296 | void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value) |
d02b48c6 RE |
297 | { |
298 | if (a->value.ptr != NULL) | |
299 | ASN1_TYPE_component_free(a); | |
300 | a->type=type; | |
301 | a->value.ptr=value; | |
302 | } | |
303 | ||
6b691a5c | 304 | static void ASN1_TYPE_component_free(ASN1_TYPE *a) |
d02b48c6 RE |
305 | { |
306 | if (a == NULL) return; | |
307 | ||
308 | if (a->value.ptr != NULL) | |
309 | { | |
310 | switch (a->type) | |
311 | { | |
312 | case V_ASN1_OBJECT: | |
313 | ASN1_OBJECT_free(a->value.object); | |
314 | break; | |
315 | case V_ASN1_INTEGER: | |
316 | case V_ASN1_NEG_INTEGER: | |
bceacf93 DSH |
317 | case V_ASN1_ENUMERATED: |
318 | case V_ASN1_NEG_ENUMERATED: | |
d02b48c6 RE |
319 | case V_ASN1_BIT_STRING: |
320 | case V_ASN1_OCTET_STRING: | |
dfeab068 RE |
321 | case V_ASN1_SEQUENCE: |
322 | case V_ASN1_SET: | |
323 | case V_ASN1_NUMERICSTRING: | |
d02b48c6 RE |
324 | case V_ASN1_PRINTABLESTRING: |
325 | case V_ASN1_T61STRING: | |
dfeab068 | 326 | case V_ASN1_VIDEOTEXSTRING: |
d02b48c6 | 327 | case V_ASN1_IA5STRING: |
d02b48c6 | 328 | case V_ASN1_UTCTIME: |
dfeab068 RE |
329 | case V_ASN1_GENERALIZEDTIME: |
330 | case V_ASN1_GRAPHICSTRING: | |
331 | case V_ASN1_VISIBLESTRING: | |
332 | case V_ASN1_GENERALSTRING: | |
333 | case V_ASN1_UNIVERSALSTRING: | |
334 | case V_ASN1_BMPSTRING: | |
d77b3054 | 335 | case V_ASN1_UTF8STRING: |
d02b48c6 RE |
336 | ASN1_STRING_free((ASN1_STRING *)a->value.ptr); |
337 | break; | |
338 | default: | |
339 | /* MEMORY LEAK */ | |
340 | break; | |
341 | } | |
342 | a->type=0; | |
343 | a->value.ptr=NULL; | |
344 | } | |
345 | } | |
346 | ||
d35ea5b0 BL |
347 | IMPLEMENT_STACK_OF(ASN1_TYPE) |
348 | IMPLEMENT_ASN1_SET_OF(ASN1_TYPE) |