diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/asn1_lib.c')
| -rw-r--r-- | src/lib/libcrypto/asn1/asn1_lib.c | 92 |
1 files changed, 30 insertions, 62 deletions
diff --git a/src/lib/libcrypto/asn1/asn1_lib.c b/src/lib/libcrypto/asn1/asn1_lib.c index 6ec383859f..7693556281 100644 --- a/src/lib/libcrypto/asn1/asn1_lib.c +++ b/src/lib/libcrypto/asn1/asn1_lib.c | |||
| @@ -72,8 +72,7 @@ static int _asn1_check_infinite_end(const unsigned char **p, long len) | |||
| 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 | { | ||
| 77 | (*p)+=2; | 76 | (*p)+=2; |
| 78 | return(1); | 77 | return(1); |
| 79 | } | 78 | } |
| @@ -104,13 +103,11 @@ int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag, | |||
| 104 | ret=(*p&V_ASN1_CONSTRUCTED); | 103 | ret=(*p&V_ASN1_CONSTRUCTED); |
| 105 | xclass=(*p&V_ASN1_PRIVATE); | 104 | xclass=(*p&V_ASN1_PRIVATE); |
| 106 | i= *p&V_ASN1_PRIMITIVE_TAG; | 105 | i= *p&V_ASN1_PRIMITIVE_TAG; |
| 107 | if (i == V_ASN1_PRIMITIVE_TAG) | 106 | if (i == V_ASN1_PRIMITIVE_TAG) { /* high-tag */ |
| 108 | { /* high-tag */ | ||
| 109 | p++; | 107 | p++; |
| 110 | if (--max == 0) goto err; | 108 | if (--max == 0) goto err; |
| 111 | l=0; | 109 | l=0; |
| 112 | while (*p&0x80) | 110 | while (*p&0x80) { |
| 113 | { | ||
| 114 | l<<=7L; | 111 | l<<=7L; |
| 115 | l|= *(p++)&0x7f; | 112 | l|= *(p++)&0x7f; |
| 116 | if (--max == 0) goto err; | 113 | if (--max == 0) goto err; |
| @@ -120,9 +117,7 @@ int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag, | |||
| 120 | l|= *(p++)&0x7f; | 117 | l|= *(p++)&0x7f; |
| 121 | tag=(int)l; | 118 | tag=(int)l; |
| 122 | if (--max == 0) goto err; | 119 | if (--max == 0) goto err; |
| 123 | } | 120 | } else { |
| 124 | else | ||
| 125 | { | ||
| 126 | tag=i; | 121 | tag=i; |
| 127 | p++; | 122 | p++; |
| 128 | if (--max == 0) goto err; | 123 | if (--max == 0) goto err; |
| @@ -137,8 +132,7 @@ int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag, | |||
| 137 | (int)(omax+ *pp)); | 132 | (int)(omax+ *pp)); |
| 138 | 133 | ||
| 139 | #endif | 134 | #endif |
| 140 | if (*plength > (omax - (p - *pp))) | 135 | if (*plength > (omax - (p - *pp))) { |
| 141 | { | ||
| 142 | ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_TOO_LONG); | 136 | ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_TOO_LONG); |
| 143 | /* Set this so that even if things are not long enough | 137 | /* Set this so that even if things are not long enough |
| 144 | * the values are set correctly */ | 138 | * the values are set correctly */ |
| @@ -158,23 +152,18 @@ static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, int max | |||
| 158 | unsigned int i; | 152 | unsigned int i; |
| 159 | 153 | ||
| 160 | if (max-- < 1) return(0); | 154 | if (max-- < 1) return(0); |
| 161 | if (*p == 0x80) | 155 | if (*p == 0x80) { |
| 162 | { | ||
| 163 | *inf=1; | 156 | *inf=1; |
| 164 | ret=0; | 157 | ret=0; |
| 165 | p++; | 158 | p++; |
| 166 | } | 159 | } else { |
| 167 | else | ||
| 168 | { | ||
| 169 | *inf=0; | 160 | *inf=0; |
| 170 | i= *p&0x7f; | 161 | i= *p&0x7f; |
| 171 | if (*(p++) & 0x80) | 162 | if (*(p++) & 0x80) { |
| 172 | { | ||
| 173 | if (i > sizeof(long)) | 163 | if (i > sizeof(long)) |
| 174 | return 0; | 164 | return 0; |
| 175 | if (max-- == 0) return(0); | 165 | if (max-- == 0) return(0); |
| 176 | while (i-- > 0) | 166 | while (i-- > 0) { |
| 177 | { | ||
| 178 | ret<<=8L; | 167 | ret<<=8L; |
| 179 | ret|= *(p++); | 168 | ret|= *(p++); |
| 180 | if (max-- == 0) return(0); | 169 | if (max-- == 0) return(0); |
| @@ -202,13 +191,11 @@ void ASN1_put_object(unsigned char **pp, int constructed, int length, int tag, | |||
| 202 | i|=(xclass&V_ASN1_PRIVATE); | 191 | i|=(xclass&V_ASN1_PRIVATE); |
| 203 | if (tag < 31) | 192 | if (tag < 31) |
| 204 | *(p++)=i|(tag&V_ASN1_PRIMITIVE_TAG); | 193 | *(p++)=i|(tag&V_ASN1_PRIMITIVE_TAG); |
| 205 | else | 194 | else { |
| 206 | { | ||
| 207 | *(p++)=i|V_ASN1_PRIMITIVE_TAG; | 195 | *(p++)=i|V_ASN1_PRIMITIVE_TAG; |
| 208 | for(i = 0, ttag = tag; ttag > 0; i++) ttag >>=7; | 196 | for(i = 0, ttag = tag; ttag > 0; i++) ttag >>=7; |
| 209 | ttag = i; | 197 | ttag = i; |
| 210 | while(i-- > 0) | 198 | while(i-- > 0) { |
| 211 | { | ||
| 212 | p[i] = tag & 0x7f; | 199 | p[i] = tag & 0x7f; |
| 213 | if(i != (ttag - 1)) p[i] |= 0x80; | 200 | if(i != (ttag - 1)) p[i] |= 0x80; |
| 214 | tag >>= 7; | 201 | tag >>= 7; |
| @@ -237,15 +224,13 @@ static void asn1_put_length(unsigned char **pp, int length) | |||
| 237 | int i,l; | 224 | int i,l; |
| 238 | if (length <= 127) | 225 | if (length <= 127) |
| 239 | *(p++)=(unsigned char)length; | 226 | *(p++)=(unsigned char)length; |
| 240 | else | 227 | else { |
| 241 | { | ||
| 242 | l=length; | 228 | l=length; |
| 243 | for (i=0; l > 0; i++) | 229 | for (i=0; l > 0; i++) |
| 244 | l>>=8; | 230 | l>>=8; |
| 245 | *(p++)=i|0x80; | 231 | *(p++)=i|0x80; |
| 246 | l=i; | 232 | l=i; |
| 247 | while (i-- > 0) | 233 | while (i-- > 0) { |
| 248 | { | ||
| 249 | p[i]=length&0xff; | 234 | p[i]=length&0xff; |
| 250 | length>>=8; | 235 | length>>=8; |
| 251 | } | 236 | } |
| @@ -260,10 +245,8 @@ int ASN1_object_size(int constructed, int length, int tag) | |||
| 260 | 245 | ||
| 261 | ret=length; | 246 | ret=length; |
| 262 | ret++; | 247 | ret++; |
| 263 | if (tag >= 31) | 248 | if (tag >= 31) { |
| 264 | { | 249 | while (tag > 0) { |
| 265 | while (tag > 0) | ||
| 266 | { | ||
| 267 | tag>>=7; | 250 | tag>>=7; |
| 268 | ret++; | 251 | ret++; |
| 269 | } | 252 | } |
| @@ -271,10 +254,8 @@ int ASN1_object_size(int constructed, int length, int tag) | |||
| 271 | if (constructed == 2) | 254 | if (constructed == 2) |
| 272 | return ret + 3; | 255 | return ret + 3; |
| 273 | ret++; | 256 | ret++; |
| 274 | if (length > 127) | 257 | if (length > 127) { |
| 275 | { | 258 | while (length > 0) { |
| 276 | while (length > 0) | ||
| 277 | { | ||
| 278 | length>>=8; | 259 | length>>=8; |
| 279 | ret++; | 260 | ret++; |
| 280 | } | 261 | } |
| @@ -284,17 +265,14 @@ int ASN1_object_size(int constructed, int length, int tag) | |||
| 284 | 265 | ||
| 285 | static int _asn1_Finish(ASN1_const_CTX *c) | 266 | static int _asn1_Finish(ASN1_const_CTX *c) |
| 286 | { | 267 | { |
| 287 | if ((c->inf == (1|V_ASN1_CONSTRUCTED)) && (!c->eos)) | 268 | if ((c->inf == (1|V_ASN1_CONSTRUCTED)) && (!c->eos)) { |
| 288 | { | 269 | if (!ASN1_const_check_infinite_end(&c->p,c->slen)) { |
| 289 | if (!ASN1_const_check_infinite_end(&c->p,c->slen)) | ||
| 290 | { | ||
| 291 | c->error=ERR_R_MISSING_ASN1_EOS; | 270 | c->error=ERR_R_MISSING_ASN1_EOS; |
| 292 | return(0); | 271 | return(0); |
| 293 | } | 272 | } |
| 294 | } | 273 | } |
| 295 | if ( ((c->slen != 0) && !(c->inf & 1)) || | 274 | if ( ((c->slen != 0) && !(c->inf & 1)) || |
| 296 | ((c->slen < 0) && (c->inf & 1))) | 275 | ((c->slen < 0) && (c->inf & 1))) { |
| 297 | { | ||
| 298 | c->error=ERR_R_ASN1_LENGTH_MISMATCH; | 276 | c->error=ERR_R_ASN1_LENGTH_MISMATCH; |
| 299 | return(0); | 277 | return(0); |
| 300 | } | 278 | } |
| @@ -318,19 +296,16 @@ int asn1_GetSequence(ASN1_const_CTX *c, long *length) | |||
| 318 | q=c->p; | 296 | q=c->p; |
| 319 | c->inf=ASN1_get_object(&(c->p),&(c->slen),&(c->tag),&(c->xclass), | 297 | c->inf=ASN1_get_object(&(c->p),&(c->slen),&(c->tag),&(c->xclass), |
| 320 | *length); | 298 | *length); |
| 321 | if (c->inf & 0x80) | 299 | if (c->inf & 0x80) { |
| 322 | { | ||
| 323 | c->error=ERR_R_BAD_GET_ASN1_OBJECT_CALL; | 300 | c->error=ERR_R_BAD_GET_ASN1_OBJECT_CALL; |
| 324 | return(0); | 301 | return(0); |
| 325 | } | 302 | } |
| 326 | if (c->tag != V_ASN1_SEQUENCE) | 303 | if (c->tag != V_ASN1_SEQUENCE) { |
| 327 | { | ||
| 328 | c->error=ERR_R_EXPECTING_AN_ASN1_SEQUENCE; | 304 | c->error=ERR_R_EXPECTING_AN_ASN1_SEQUENCE; |
| 329 | return(0); | 305 | return(0); |
| 330 | } | 306 | } |
| 331 | (*length)-=(c->p-q); | 307 | (*length)-=(c->p-q); |
| 332 | if (c->max && (*length < 0)) | 308 | if (c->max && (*length < 0)) { |
| 333 | { | ||
| 334 | c->error=ERR_R_ASN1_LENGTH_MISMATCH; | 309 | c->error=ERR_R_ASN1_LENGTH_MISMATCH; |
| 335 | return(0); | 310 | return(0); |
| 336 | } | 311 | } |
| @@ -359,8 +334,7 @@ ASN1_STRING *ASN1_STRING_dup(const ASN1_STRING *str) | |||
| 359 | ret=ASN1_STRING_new(); | 334 | ret=ASN1_STRING_new(); |
| 360 | if (!ret) | 335 | if (!ret) |
| 361 | return NULL; | 336 | return NULL; |
| 362 | if (!ASN1_STRING_copy(ret,str)) | 337 | if (!ASN1_STRING_copy(ret,str)) { |
| 363 | { | ||
| 364 | ASN1_STRING_free(ret); | 338 | ASN1_STRING_free(ret); |
| 365 | return NULL; | 339 | return NULL; |
| 366 | } | 340 | } |
| @@ -372,31 +346,27 @@ int ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len) | |||
| 372 | unsigned char *c; | 346 | unsigned char *c; |
| 373 | const char *data=_data; | 347 | const char *data=_data; |
| 374 | 348 | ||
| 375 | if (len < 0) | 349 | if (len < 0) { |
| 376 | { | ||
| 377 | if (data == NULL) | 350 | if (data == NULL) |
| 378 | return(0); | 351 | return(0); |
| 379 | else | 352 | else |
| 380 | len=strlen(data); | 353 | len=strlen(data); |
| 381 | } | 354 | } |
| 382 | if ((str->length < len) || (str->data == NULL)) | 355 | if ((str->length < len) || (str->data == NULL)) { |
| 383 | { | ||
| 384 | c=str->data; | 356 | c=str->data; |
| 385 | if (c == NULL) | 357 | if (c == NULL) |
| 386 | str->data=malloc(len+1); | 358 | str->data=malloc(len+1); |
| 387 | else | 359 | else |
| 388 | str->data=realloc(c,len+1); | 360 | str->data=realloc(c,len+1); |
| 389 | 361 | ||
| 390 | if (str->data == NULL) | 362 | if (str->data == NULL) { |
| 391 | { | ||
| 392 | ASN1err(ASN1_F_ASN1_STRING_SET,ERR_R_MALLOC_FAILURE); | 363 | ASN1err(ASN1_F_ASN1_STRING_SET,ERR_R_MALLOC_FAILURE); |
| 393 | str->data=c; | 364 | str->data=c; |
| 394 | return(0); | 365 | return(0); |
| 395 | } | 366 | } |
| 396 | } | 367 | } |
| 397 | str->length=len; | 368 | str->length=len; |
| 398 | if (data != NULL) | 369 | if (data != NULL) { |
| 399 | { | ||
| 400 | memcpy(str->data,data,len); | 370 | memcpy(str->data,data,len); |
| 401 | /* an allowance for strings :-) */ | 371 | /* an allowance for strings :-) */ |
| 402 | str->data[len]='\0'; | 372 | str->data[len]='\0'; |
| @@ -423,8 +393,7 @@ ASN1_STRING *ASN1_STRING_type_new(int type) | |||
| 423 | ASN1_STRING *ret; | 393 | ASN1_STRING *ret; |
| 424 | 394 | ||
| 425 | ret=(ASN1_STRING *)malloc(sizeof(ASN1_STRING)); | 395 | ret=(ASN1_STRING *)malloc(sizeof(ASN1_STRING)); |
| 426 | if (ret == NULL) | 396 | if (ret == NULL) { |
| 427 | { | ||
| 428 | ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW,ERR_R_MALLOC_FAILURE); | 397 | ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW,ERR_R_MALLOC_FAILURE); |
| 429 | return(NULL); | 398 | return(NULL); |
| 430 | } | 399 | } |
| @@ -448,8 +417,7 @@ int ASN1_STRING_cmp(const ASN1_STRING *a, const ASN1_STRING *b) | |||
| 448 | int i; | 417 | int i; |
| 449 | 418 | ||
| 450 | i=(a->length-b->length); | 419 | i=(a->length-b->length); |
| 451 | if (i == 0) | 420 | if (i == 0) { |
| 452 | { | ||
| 453 | i=memcmp(a->data,b->data,a->length); | 421 | i=memcmp(a->data,b->data,a->length); |
| 454 | if (i == 0) | 422 | if (i == 0) |
| 455 | return(a->type-b->type); | 423 | return(a->type-b->type); |
