summaryrefslogtreecommitdiff
path: root/src/lib/libcrypto/asn1/asn1_lib.c
diff options
context:
space:
mode:
authortedu <>2014-04-18 00:10:08 +0000
committertedu <>2014-04-18 00:10:08 +0000
commit07f5c09b19f56c323fa22ebd5efb5a4df9f5dc4d (patch)
tree6327d50d69a1982f840dc68fe928ea459e2c41e0 /src/lib/libcrypto/asn1/asn1_lib.c
parent288a9e368d9d4a72792b12a00ad69e3592d94073 (diff)
downloadopenbsd-07f5c09b19f56c323fa22ebd5efb5a4df9f5dc4d.tar.gz
openbsd-07f5c09b19f56c323fa22ebd5efb5a4df9f5dc4d.tar.bz2
openbsd-07f5c09b19f56c323fa22ebd5efb5a4df9f5dc4d.zip
putting most of the braces in the right column is the very least we can do.
Diffstat (limited to 'src/lib/libcrypto/asn1/asn1_lib.c')
-rw-r--r--src/lib/libcrypto/asn1/asn1_lib.c198
1 files changed, 99 insertions, 99 deletions
diff --git a/src/lib/libcrypto/asn1/asn1_lib.c b/src/lib/libcrypto/asn1/asn1_lib.c
index 7b06b6fdc8..6ec383859f 100644
--- a/src/lib/libcrypto/asn1/asn1_lib.c
+++ b/src/lib/libcrypto/asn1/asn1_lib.c
@@ -67,33 +67,33 @@ static void asn1_put_length(unsigned char **pp, int length);
67const char ASN1_version[]="ASN.1" OPENSSL_VERSION_PTEXT; 67const char ASN1_version[]="ASN.1" OPENSSL_VERSION_PTEXT;
68 68
69static int _asn1_check_infinite_end(const unsigned char **p, long len) 69static int _asn1_check_infinite_end(const unsigned char **p, long len)
70 { 70{
71 /* If there is 0 or 1 byte left, the length check should pick 71 /* If there is 0 or 1 byte left, the length check should pick
72 * things up */ 72 * things up */
73 if (len <= 0) 73 if (len <= 0)
74 return(1); 74 return(1);
75 else if ((len >= 2) && ((*p)[0] == 0) && ((*p)[1] == 0)) 75 else if ((len >= 2) && ((*p)[0] == 0) && ((*p)[1] == 0))
76 { 76 {
77 (*p)+=2; 77 (*p)+=2;
78 return(1); 78 return(1);
79 }
80 return(0);
81 } 79 }
80 return(0);
81}
82 82
83int ASN1_check_infinite_end(unsigned char **p, long len) 83int ASN1_check_infinite_end(unsigned char **p, long len)
84 { 84{
85 return _asn1_check_infinite_end((const unsigned char **)p, len); 85 return _asn1_check_infinite_end((const unsigned char **)p, len);
86 } 86}
87 87
88int ASN1_const_check_infinite_end(const unsigned char **p, long len) 88int ASN1_const_check_infinite_end(const unsigned char **p, long len)
89 { 89{
90 return _asn1_check_infinite_end(p, len); 90 return _asn1_check_infinite_end(p, len);
91 } 91}
92 92
93 93
94int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag, 94int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag,
95 int *pclass, long omax) 95 int *pclass, long omax)
96 { 96{
97 int i,ret; 97 int i,ret;
98 long l; 98 long l;
99 const unsigned char *p= *pp; 99 const unsigned char *p= *pp;
@@ -105,28 +105,28 @@ int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag,
105 xclass=(*p&V_ASN1_PRIVATE); 105 xclass=(*p&V_ASN1_PRIVATE);
106 i= *p&V_ASN1_PRIMITIVE_TAG; 106 i= *p&V_ASN1_PRIMITIVE_TAG;
107 if (i == V_ASN1_PRIMITIVE_TAG) 107 if (i == V_ASN1_PRIMITIVE_TAG)
108 { /* high-tag */ 108 { /* high-tag */
109 p++; 109 p++;
110 if (--max == 0) goto err; 110 if (--max == 0) goto err;
111 l=0; 111 l=0;
112 while (*p&0x80) 112 while (*p&0x80)
113 { 113 {
114 l<<=7L; 114 l<<=7L;
115 l|= *(p++)&0x7f; 115 l|= *(p++)&0x7f;
116 if (--max == 0) goto err; 116 if (--max == 0) goto err;
117 if (l > (INT_MAX >> 7L)) goto err; 117 if (l > (INT_MAX >> 7L)) goto err;
118 } 118 }
119 l<<=7L; 119 l<<=7L;
120 l|= *(p++)&0x7f; 120 l|= *(p++)&0x7f;
121 tag=(int)l; 121 tag=(int)l;
122 if (--max == 0) goto err; 122 if (--max == 0) goto err;
123 } 123 }
124 else 124 else
125 { 125 {
126 tag=i; 126 tag=i;
127 p++; 127 p++;
128 if (--max == 0) goto err; 128 if (--max == 0) goto err;
129 } 129 }
130 *ptag=tag; 130 *ptag=tag;
131 *pclass=xclass; 131 *pclass=xclass;
132 if (!asn1_get_length(&p,&inf,plength,(int)max)) goto err; 132 if (!asn1_get_length(&p,&inf,plength,(int)max)) goto err;
@@ -138,63 +138,63 @@ int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag,
138 138
139#endif 139#endif
140 if (*plength > (omax - (p - *pp))) 140 if (*plength > (omax - (p - *pp)))
141 { 141 {
142 ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_TOO_LONG); 142 ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_TOO_LONG);
143 /* Set this so that even if things are not long enough 143 /* Set this so that even if things are not long enough
144 * the values are set correctly */ 144 * the values are set correctly */
145 ret|=0x80; 145 ret|=0x80;
146 } 146 }
147 *pp=p; 147 *pp=p;
148 return(ret|inf); 148 return(ret|inf);
149err: 149err:
150 ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_HEADER_TOO_LONG); 150 ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_HEADER_TOO_LONG);
151 return(0x80); 151 return(0x80);
152 } 152}
153 153
154static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, int max) 154static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, int max)
155 { 155{
156 const unsigned char *p= *pp; 156 const unsigned char *p= *pp;
157 unsigned long ret=0; 157 unsigned long ret=0;
158 unsigned int i; 158 unsigned int i;
159 159
160 if (max-- < 1) return(0); 160 if (max-- < 1) return(0);
161 if (*p == 0x80) 161 if (*p == 0x80)
162 { 162 {
163 *inf=1; 163 *inf=1;
164 ret=0; 164 ret=0;
165 p++; 165 p++;
166 } 166 }
167 else 167 else
168 { 168 {
169 *inf=0; 169 *inf=0;
170 i= *p&0x7f; 170 i= *p&0x7f;
171 if (*(p++) & 0x80) 171 if (*(p++) & 0x80)
172 { 172 {
173 if (i > sizeof(long)) 173 if (i > sizeof(long))
174 return 0; 174 return 0;
175 if (max-- == 0) return(0); 175 if (max-- == 0) return(0);
176 while (i-- > 0) 176 while (i-- > 0)
177 { 177 {
178 ret<<=8L; 178 ret<<=8L;
179 ret|= *(p++); 179 ret|= *(p++);
180 if (max-- == 0) return(0); 180 if (max-- == 0) return(0);
181 }
182 } 181 }
182 }
183 else 183 else
184 ret=i; 184 ret=i;
185 } 185 }
186 if (ret > LONG_MAX) 186 if (ret > LONG_MAX)
187 return 0; 187 return 0;
188 *pp=p; 188 *pp=p;
189 *rl=(long)ret; 189 *rl=(long)ret;
190 return(1); 190 return(1);
191 } 191}
192 192
193/* class 0 is constructed 193/* class 0 is constructed
194 * constructed == 2 for indefinite length constructed */ 194 * constructed == 2 for indefinite length constructed */
195void ASN1_put_object(unsigned char **pp, int constructed, int length, int tag, 195void ASN1_put_object(unsigned char **pp, int constructed, int length, int tag,
196 int xclass) 196 int xclass)
197 { 197{
198 unsigned char *p= *pp; 198 unsigned char *p= *pp;
199 int i, ttag; 199 int i, ttag;
200 200
@@ -203,145 +203,145 @@ void ASN1_put_object(unsigned char **pp, int constructed, int length, int tag,
203 if (tag < 31) 203 if (tag < 31)
204 *(p++)=i|(tag&V_ASN1_PRIMITIVE_TAG); 204 *(p++)=i|(tag&V_ASN1_PRIMITIVE_TAG);
205 else 205 else
206 { 206 {
207 *(p++)=i|V_ASN1_PRIMITIVE_TAG; 207 *(p++)=i|V_ASN1_PRIMITIVE_TAG;
208 for(i = 0, ttag = tag; ttag > 0; i++) ttag >>=7; 208 for(i = 0, ttag = tag; ttag > 0; i++) ttag >>=7;
209 ttag = i; 209 ttag = i;
210 while(i-- > 0) 210 while(i-- > 0)
211 { 211 {
212 p[i] = tag & 0x7f; 212 p[i] = tag & 0x7f;
213 if(i != (ttag - 1)) p[i] |= 0x80; 213 if(i != (ttag - 1)) p[i] |= 0x80;
214 tag >>= 7; 214 tag >>= 7;
215 }
216 p += ttag;
217 } 215 }
216 p += ttag;
217 }
218 if (constructed == 2) 218 if (constructed == 2)
219 *(p++)=0x80; 219 *(p++)=0x80;
220 else 220 else
221 asn1_put_length(&p,length); 221 asn1_put_length(&p,length);
222 *pp=p; 222 *pp=p;
223 } 223}
224 224
225int ASN1_put_eoc(unsigned char **pp) 225int ASN1_put_eoc(unsigned char **pp)
226 { 226{
227 unsigned char *p = *pp; 227 unsigned char *p = *pp;
228 *p++ = 0; 228 *p++ = 0;
229 *p++ = 0; 229 *p++ = 0;
230 *pp = p; 230 *pp = p;
231 return 2; 231 return 2;
232 } 232}
233 233
234static void asn1_put_length(unsigned char **pp, int length) 234static void asn1_put_length(unsigned char **pp, int length)
235 { 235{
236 unsigned char *p= *pp; 236 unsigned char *p= *pp;
237 int i,l; 237 int i,l;
238 if (length <= 127) 238 if (length <= 127)
239 *(p++)=(unsigned char)length; 239 *(p++)=(unsigned char)length;
240 else 240 else
241 { 241 {
242 l=length; 242 l=length;
243 for (i=0; l > 0; i++) 243 for (i=0; l > 0; i++)
244 l>>=8; 244 l>>=8;
245 *(p++)=i|0x80; 245 *(p++)=i|0x80;
246 l=i; 246 l=i;
247 while (i-- > 0) 247 while (i-- > 0)
248 { 248 {
249 p[i]=length&0xff; 249 p[i]=length&0xff;
250 length>>=8; 250 length>>=8;
251 }
252 p+=l;
253 } 251 }
254 *pp=p; 252 p+=l;
255 } 253 }
254 *pp=p;
255}
256 256
257int ASN1_object_size(int constructed, int length, int tag) 257int ASN1_object_size(int constructed, int length, int tag)
258 { 258{
259 int ret; 259 int ret;
260 260
261 ret=length; 261 ret=length;
262 ret++; 262 ret++;
263 if (tag >= 31) 263 if (tag >= 31)
264 { 264 {
265 while (tag > 0) 265 while (tag > 0)
266 { 266 {
267 tag>>=7; 267 tag>>=7;
268 ret++; 268 ret++;
269 }
270 } 269 }
270 }
271 if (constructed == 2) 271 if (constructed == 2)
272 return ret + 3; 272 return ret + 3;
273 ret++; 273 ret++;
274 if (length > 127) 274 if (length > 127)
275 { 275 {
276 while (length > 0) 276 while (length > 0)
277 { 277 {
278 length>>=8; 278 length>>=8;
279 ret++; 279 ret++;
280 }
281 } 280 }
282 return(ret);
283 } 281 }
282 return(ret);
283}
284 284
285static int _asn1_Finish(ASN1_const_CTX *c) 285static int _asn1_Finish(ASN1_const_CTX *c)
286 { 286{
287 if ((c->inf == (1|V_ASN1_CONSTRUCTED)) && (!c->eos)) 287 if ((c->inf == (1|V_ASN1_CONSTRUCTED)) && (!c->eos))
288 { 288 {
289 if (!ASN1_const_check_infinite_end(&c->p,c->slen)) 289 if (!ASN1_const_check_infinite_end(&c->p,c->slen))
290 { 290 {
291 c->error=ERR_R_MISSING_ASN1_EOS; 291 c->error=ERR_R_MISSING_ASN1_EOS;
292 return(0); 292 return(0);
293 }
294 } 293 }
294 }
295 if ( ((c->slen != 0) && !(c->inf & 1)) || 295 if ( ((c->slen != 0) && !(c->inf & 1)) ||
296 ((c->slen < 0) && (c->inf & 1))) 296 ((c->slen < 0) && (c->inf & 1)))
297 { 297 {
298 c->error=ERR_R_ASN1_LENGTH_MISMATCH; 298 c->error=ERR_R_ASN1_LENGTH_MISMATCH;
299 return(0); 299 return(0);
300 }
301 return(1);
302 } 300 }
301 return(1);
302}
303 303
304int asn1_Finish(ASN1_CTX *c) 304int asn1_Finish(ASN1_CTX *c)
305 { 305{
306 return _asn1_Finish((ASN1_const_CTX *)c); 306 return _asn1_Finish((ASN1_const_CTX *)c);
307 } 307}
308 308
309int asn1_const_Finish(ASN1_const_CTX *c) 309int asn1_const_Finish(ASN1_const_CTX *c)
310 { 310{
311 return _asn1_Finish(c); 311 return _asn1_Finish(c);
312 } 312}
313 313
314int asn1_GetSequence(ASN1_const_CTX *c, long *length) 314int asn1_GetSequence(ASN1_const_CTX *c, long *length)
315 { 315{
316 const unsigned char *q; 316 const unsigned char *q;
317 317
318 q=c->p; 318 q=c->p;
319 c->inf=ASN1_get_object(&(c->p),&(c->slen),&(c->tag),&(c->xclass), 319 c->inf=ASN1_get_object(&(c->p),&(c->slen),&(c->tag),&(c->xclass),
320 *length); 320 *length);
321 if (c->inf & 0x80) 321 if (c->inf & 0x80)
322 { 322 {
323 c->error=ERR_R_BAD_GET_ASN1_OBJECT_CALL; 323 c->error=ERR_R_BAD_GET_ASN1_OBJECT_CALL;
324 return(0); 324 return(0);
325 } 325 }
326 if (c->tag != V_ASN1_SEQUENCE) 326 if (c->tag != V_ASN1_SEQUENCE)
327 { 327 {
328 c->error=ERR_R_EXPECTING_AN_ASN1_SEQUENCE; 328 c->error=ERR_R_EXPECTING_AN_ASN1_SEQUENCE;
329 return(0); 329 return(0);
330 } 330 }
331 (*length)-=(c->p-q); 331 (*length)-=(c->p-q);
332 if (c->max && (*length < 0)) 332 if (c->max && (*length < 0))
333 { 333 {
334 c->error=ERR_R_ASN1_LENGTH_MISMATCH; 334 c->error=ERR_R_ASN1_LENGTH_MISMATCH;
335 return(0); 335 return(0);
336 } 336 }
337 if (c->inf == (1|V_ASN1_CONSTRUCTED)) 337 if (c->inf == (1|V_ASN1_CONSTRUCTED))
338 c->slen= *length+ *(c->pp)-c->p; 338 c->slen= *length+ *(c->pp)-c->p;
339 c->eos=0; 339 c->eos=0;
340 return(1); 340 return(1);
341 } 341}
342 342
343int ASN1_STRING_copy(ASN1_STRING *dst, const ASN1_STRING *str) 343int ASN1_STRING_copy(ASN1_STRING *dst, const ASN1_STRING *str)
344 { 344{
345 if (str == NULL) 345 if (str == NULL)
346 return 0; 346 return 0;
347 dst->type = str->type; 347 dst->type = str->type;
@@ -349,10 +349,10 @@ int ASN1_STRING_copy(ASN1_STRING *dst, const ASN1_STRING *str)
349 return 0; 349 return 0;
350 dst->flags = str->flags; 350 dst->flags = str->flags;
351 return 1; 351 return 1;
352 } 352}
353 353
354ASN1_STRING *ASN1_STRING_dup(const ASN1_STRING *str) 354ASN1_STRING *ASN1_STRING_dup(const ASN1_STRING *str)
355 { 355{
356 ASN1_STRING *ret; 356 ASN1_STRING *ret;
357 if (!str) 357 if (!str)
358 return NULL; 358 return NULL;
@@ -360,27 +360,27 @@ ASN1_STRING *ASN1_STRING_dup(const ASN1_STRING *str)
360 if (!ret) 360 if (!ret)
361 return NULL; 361 return NULL;
362 if (!ASN1_STRING_copy(ret,str)) 362 if (!ASN1_STRING_copy(ret,str))
363 { 363 {
364 ASN1_STRING_free(ret); 364 ASN1_STRING_free(ret);
365 return NULL; 365 return NULL;
366 }
367 return ret;
368 } 366 }
367 return ret;
368}
369 369
370int ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len) 370int ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len)
371 { 371{
372 unsigned char *c; 372 unsigned char *c;
373 const char *data=_data; 373 const char *data=_data;
374 374
375 if (len < 0) 375 if (len < 0)
376 { 376 {
377 if (data == NULL) 377 if (data == NULL)
378 return(0); 378 return(0);
379 else 379 else
380 len=strlen(data); 380 len=strlen(data);
381 } 381 }
382 if ((str->length < len) || (str->data == NULL)) 382 if ((str->length < len) || (str->data == NULL))
383 { 383 {
384 c=str->data; 384 c=str->data;
385 if (c == NULL) 385 if (c == NULL)
386 str->data=malloc(len+1); 386 str->data=malloc(len+1);
@@ -388,86 +388,86 @@ int ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len)
388 str->data=realloc(c,len+1); 388 str->data=realloc(c,len+1);
389 389
390 if (str->data == NULL) 390 if (str->data == NULL)
391 { 391 {
392 ASN1err(ASN1_F_ASN1_STRING_SET,ERR_R_MALLOC_FAILURE); 392 ASN1err(ASN1_F_ASN1_STRING_SET,ERR_R_MALLOC_FAILURE);
393 str->data=c; 393 str->data=c;
394 return(0); 394 return(0);
395 }
396 } 395 }
396 }
397 str->length=len; 397 str->length=len;
398 if (data != NULL) 398 if (data != NULL)
399 { 399 {
400 memcpy(str->data,data,len); 400 memcpy(str->data,data,len);
401 /* an allowance for strings :-) */ 401 /* an allowance for strings :-) */
402 str->data[len]='\0'; 402 str->data[len]='\0';
403 }
404 return(1);
405 } 403 }
404 return(1);
405}
406 406
407void ASN1_STRING_set0(ASN1_STRING *str, void *data, int len) 407void ASN1_STRING_set0(ASN1_STRING *str, void *data, int len)
408 { 408{
409 if (str->data) 409 if (str->data)
410 free(str->data); 410 free(str->data);
411 str->data = data; 411 str->data = data;
412 str->length = len; 412 str->length = len;
413 } 413}
414 414
415ASN1_STRING *ASN1_STRING_new(void) 415ASN1_STRING *ASN1_STRING_new(void)
416 { 416{
417 return(ASN1_STRING_type_new(V_ASN1_OCTET_STRING)); 417 return(ASN1_STRING_type_new(V_ASN1_OCTET_STRING));
418 } 418}
419 419
420 420
421ASN1_STRING *ASN1_STRING_type_new(int type) 421ASN1_STRING *ASN1_STRING_type_new(int type)
422 { 422{
423 ASN1_STRING *ret; 423 ASN1_STRING *ret;
424 424
425 ret=(ASN1_STRING *)malloc(sizeof(ASN1_STRING)); 425 ret=(ASN1_STRING *)malloc(sizeof(ASN1_STRING));
426 if (ret == NULL) 426 if (ret == NULL)
427 { 427 {
428 ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW,ERR_R_MALLOC_FAILURE); 428 ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW,ERR_R_MALLOC_FAILURE);
429 return(NULL); 429 return(NULL);
430 } 430 }
431 ret->length=0; 431 ret->length=0;
432 ret->type=type; 432 ret->type=type;
433 ret->data=NULL; 433 ret->data=NULL;
434 ret->flags=0; 434 ret->flags=0;
435 return(ret); 435 return(ret);
436 } 436}
437 437
438void ASN1_STRING_free(ASN1_STRING *a) 438void ASN1_STRING_free(ASN1_STRING *a)
439 { 439{
440 if (a == NULL) return; 440 if (a == NULL) return;
441 if (a->data && !(a->flags & ASN1_STRING_FLAG_NDEF)) 441 if (a->data && !(a->flags & ASN1_STRING_FLAG_NDEF))
442 free(a->data); 442 free(a->data);
443 free(a); 443 free(a);
444 } 444}
445 445
446int ASN1_STRING_cmp(const ASN1_STRING *a, const ASN1_STRING *b) 446int ASN1_STRING_cmp(const ASN1_STRING *a, const ASN1_STRING *b)
447 { 447{
448 int i; 448 int i;
449 449
450 i=(a->length-b->length); 450 i=(a->length-b->length);
451 if (i == 0) 451 if (i == 0)
452 { 452 {
453 i=memcmp(a->data,b->data,a->length); 453 i=memcmp(a->data,b->data,a->length);
454 if (i == 0) 454 if (i == 0)
455 return(a->type-b->type); 455 return(a->type-b->type);
456 else 456 else
457 return(i); 457 return(i);
458 } 458 }
459 else 459 else
460 return(i); 460 return(i);
461 } 461}
462 462
463void asn1_add_error(const unsigned char *address, int offset) 463void asn1_add_error(const unsigned char *address, int offset)
464 { 464{
465 char buf1[DECIMAL_SIZE(address)+1],buf2[DECIMAL_SIZE(offset)+1]; 465 char buf1[DECIMAL_SIZE(address)+1],buf2[DECIMAL_SIZE(offset)+1];
466 466
467 (void) snprintf(buf1,sizeof buf1,"%lu",(unsigned long)address); 467 (void) snprintf(buf1,sizeof buf1,"%lu",(unsigned long)address);
468 (void) snprintf(buf2,sizeof buf2,"%d",offset); 468 (void) snprintf(buf2,sizeof buf2,"%d",offset);
469 ERR_add_error_data(4,"address=",buf1," offset=",buf2); 469 ERR_add_error_data(4,"address=",buf1," offset=",buf2);
470 } 470}
471 471
472int ASN1_STRING_length(const ASN1_STRING *x) 472int ASN1_STRING_length(const ASN1_STRING *x)
473{ return M_ASN1_STRING_length(x); } 473{ return M_ASN1_STRING_length(x); }