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| author | cvs2svn <admin@example.com> | 2016-02-17 13:06:55 +0000 |
|---|---|---|
| committer | cvs2svn <admin@example.com> | 2016-02-17 13:06:55 +0000 |
| commit | c192600fadb763f0d8645c69f309093e3709f18c (patch) | |
| tree | 08143097e3002b54011466dc39d5056a2eac3234 /src/lib/libcrypto/asn1/x_name.c | |
| parent | 5e028a458eda039db3f8d1a098b2934bd6d466e4 (diff) | |
| download | openbsd-OPENBSD_5_9_BASE.tar.gz openbsd-OPENBSD_5_9_BASE.tar.bz2 openbsd-OPENBSD_5_9_BASE.zip | |
This commit was manufactured by cvs2git to create tag 'OPENBSD_5_9_BASE'.OPENBSD_5_9_BASE
Diffstat (limited to 'src/lib/libcrypto/asn1/x_name.c')
| -rw-r--r-- | src/lib/libcrypto/asn1/x_name.c | 642 |
1 files changed, 0 insertions, 642 deletions
diff --git a/src/lib/libcrypto/asn1/x_name.c b/src/lib/libcrypto/asn1/x_name.c deleted file mode 100644 index be936318d8..0000000000 --- a/src/lib/libcrypto/asn1/x_name.c +++ /dev/null | |||
| @@ -1,642 +0,0 @@ | |||
| 1 | /* $OpenBSD: x_name.c,v 1.31 2015/07/24 15:09:52 jsing Exp $ */ | ||
| 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 <ctype.h> | ||
| 60 | #include <stdio.h> | ||
| 61 | #include <string.h> | ||
| 62 | |||
| 63 | #include <openssl/asn1t.h> | ||
| 64 | #include <openssl/err.h> | ||
| 65 | #include <openssl/x509.h> | ||
| 66 | |||
| 67 | #include "asn1_locl.h" | ||
| 68 | |||
| 69 | typedef STACK_OF(X509_NAME_ENTRY) STACK_OF_X509_NAME_ENTRY; | ||
| 70 | DECLARE_STACK_OF(STACK_OF_X509_NAME_ENTRY) | ||
| 71 | |||
| 72 | static int x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, | ||
| 73 | long len, const ASN1_ITEM *it, int tag, int aclass, char opt, | ||
| 74 | ASN1_TLC *ctx); | ||
| 75 | |||
| 76 | static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, | ||
| 77 | const ASN1_ITEM *it, int tag, int aclass); | ||
| 78 | static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it); | ||
| 79 | static void x509_name_ex_free(ASN1_VALUE **val, const ASN1_ITEM *it); | ||
| 80 | |||
| 81 | static int x509_name_encode(X509_NAME *a); | ||
| 82 | static int x509_name_canon(X509_NAME *a); | ||
| 83 | static int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in); | ||
| 84 | static int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname, | ||
| 85 | unsigned char **in); | ||
| 86 | |||
| 87 | static int x509_name_ex_print(BIO *out, ASN1_VALUE **pval, int indent, | ||
| 88 | const char *fname, const ASN1_PCTX *pctx); | ||
| 89 | |||
| 90 | static const ASN1_TEMPLATE X509_NAME_ENTRY_seq_tt[] = { | ||
| 91 | { | ||
| 92 | .offset = offsetof(X509_NAME_ENTRY, object), | ||
| 93 | .field_name = "object", | ||
| 94 | .item = &ASN1_OBJECT_it, | ||
| 95 | }, | ||
| 96 | { | ||
| 97 | .offset = offsetof(X509_NAME_ENTRY, value), | ||
| 98 | .field_name = "value", | ||
| 99 | .item = &ASN1_PRINTABLE_it, | ||
| 100 | }, | ||
| 101 | }; | ||
| 102 | |||
| 103 | const ASN1_ITEM X509_NAME_ENTRY_it = { | ||
| 104 | .itype = ASN1_ITYPE_SEQUENCE, | ||
| 105 | .utype = V_ASN1_SEQUENCE, | ||
| 106 | .templates = X509_NAME_ENTRY_seq_tt, | ||
| 107 | .tcount = sizeof(X509_NAME_ENTRY_seq_tt) / sizeof(ASN1_TEMPLATE), | ||
| 108 | .size = sizeof(X509_NAME_ENTRY), | ||
| 109 | .sname = "X509_NAME_ENTRY", | ||
| 110 | }; | ||
| 111 | |||
| 112 | |||
| 113 | X509_NAME_ENTRY * | ||
| 114 | d2i_X509_NAME_ENTRY(X509_NAME_ENTRY **a, const unsigned char **in, long len) | ||
| 115 | { | ||
| 116 | return (X509_NAME_ENTRY *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, | ||
| 117 | &X509_NAME_ENTRY_it); | ||
| 118 | } | ||
| 119 | |||
| 120 | int | ||
| 121 | i2d_X509_NAME_ENTRY(X509_NAME_ENTRY *a, unsigned char **out) | ||
| 122 | { | ||
| 123 | return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_NAME_ENTRY_it); | ||
| 124 | } | ||
| 125 | |||
| 126 | X509_NAME_ENTRY * | ||
| 127 | X509_NAME_ENTRY_new(void) | ||
| 128 | { | ||
| 129 | return (X509_NAME_ENTRY *)ASN1_item_new(&X509_NAME_ENTRY_it); | ||
| 130 | } | ||
| 131 | |||
| 132 | void | ||
| 133 | X509_NAME_ENTRY_free(X509_NAME_ENTRY *a) | ||
| 134 | { | ||
| 135 | ASN1_item_free((ASN1_VALUE *)a, &X509_NAME_ENTRY_it); | ||
| 136 | } | ||
| 137 | |||
| 138 | X509_NAME_ENTRY * | ||
| 139 | X509_NAME_ENTRY_dup(X509_NAME_ENTRY *x) | ||
| 140 | { | ||
| 141 | return ASN1_item_dup(&X509_NAME_ENTRY_it, x); | ||
| 142 | } | ||
| 143 | |||
| 144 | /* For the "Name" type we need a SEQUENCE OF { SET OF X509_NAME_ENTRY } | ||
| 145 | * so declare two template wrappers for this | ||
| 146 | */ | ||
| 147 | |||
| 148 | static const ASN1_TEMPLATE X509_NAME_ENTRIES_item_tt = { | ||
| 149 | .flags = ASN1_TFLG_SET_OF, | ||
| 150 | .tag = 0, | ||
| 151 | .offset = 0, | ||
| 152 | .field_name = "RDNS", | ||
| 153 | .item = &X509_NAME_ENTRY_it, | ||
| 154 | }; | ||
| 155 | |||
| 156 | const ASN1_ITEM X509_NAME_ENTRIES_it = { | ||
| 157 | .itype = ASN1_ITYPE_PRIMITIVE, | ||
| 158 | .utype = -1, | ||
| 159 | .templates = &X509_NAME_ENTRIES_item_tt, | ||
| 160 | .tcount = 0, | ||
| 161 | .funcs = NULL, | ||
| 162 | .size = 0, | ||
| 163 | .sname = "X509_NAME_ENTRIES", | ||
| 164 | }; | ||
| 165 | |||
| 166 | static const ASN1_TEMPLATE X509_NAME_INTERNAL_item_tt = { | ||
| 167 | .flags = ASN1_TFLG_SEQUENCE_OF, | ||
| 168 | .tag = 0, | ||
| 169 | .offset = 0, | ||
| 170 | .field_name = "Name", | ||
| 171 | .item = &X509_NAME_ENTRIES_it, | ||
| 172 | }; | ||
| 173 | |||
| 174 | const ASN1_ITEM X509_NAME_INTERNAL_it = { | ||
| 175 | .itype = ASN1_ITYPE_PRIMITIVE, | ||
| 176 | .utype = -1, | ||
| 177 | .templates = &X509_NAME_INTERNAL_item_tt, | ||
| 178 | .tcount = 0, | ||
| 179 | .funcs = NULL, | ||
| 180 | .size = 0, | ||
| 181 | .sname = "X509_NAME_INTERNAL", | ||
| 182 | }; | ||
| 183 | |||
| 184 | /* Normally that's where it would end: we'd have two nested STACK structures | ||
| 185 | * representing the ASN1. Unfortunately X509_NAME uses a completely different | ||
| 186 | * form and caches encodings so we have to process the internal form and convert | ||
| 187 | * to the external form. | ||
| 188 | */ | ||
| 189 | |||
| 190 | const ASN1_EXTERN_FUNCS x509_name_ff = { | ||
| 191 | NULL, | ||
| 192 | x509_name_ex_new, | ||
| 193 | x509_name_ex_free, | ||
| 194 | 0, /* Default clear behaviour is OK */ | ||
| 195 | x509_name_ex_d2i, | ||
| 196 | x509_name_ex_i2d, | ||
| 197 | x509_name_ex_print | ||
| 198 | }; | ||
| 199 | |||
| 200 | const ASN1_ITEM X509_NAME_it = { | ||
| 201 | .itype = ASN1_ITYPE_EXTERN, | ||
| 202 | .utype = V_ASN1_SEQUENCE, | ||
| 203 | .templates = NULL, | ||
| 204 | .tcount = 0, | ||
| 205 | .funcs = &x509_name_ff, | ||
| 206 | .size = 0, | ||
| 207 | .sname = "X509_NAME", | ||
| 208 | }; | ||
| 209 | |||
| 210 | X509_NAME * | ||
| 211 | d2i_X509_NAME(X509_NAME **a, const unsigned char **in, long len) | ||
| 212 | { | ||
| 213 | return (X509_NAME *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, | ||
| 214 | &X509_NAME_it); | ||
| 215 | } | ||
| 216 | |||
| 217 | int | ||
| 218 | i2d_X509_NAME(X509_NAME *a, unsigned char **out) | ||
| 219 | { | ||
| 220 | return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_NAME_it); | ||
| 221 | } | ||
| 222 | |||
| 223 | X509_NAME * | ||
| 224 | X509_NAME_new(void) | ||
| 225 | { | ||
| 226 | return (X509_NAME *)ASN1_item_new(&X509_NAME_it); | ||
| 227 | } | ||
| 228 | |||
| 229 | void | ||
| 230 | X509_NAME_free(X509_NAME *a) | ||
| 231 | { | ||
| 232 | ASN1_item_free((ASN1_VALUE *)a, &X509_NAME_it); | ||
| 233 | } | ||
| 234 | |||
| 235 | X509_NAME * | ||
| 236 | X509_NAME_dup(X509_NAME *x) | ||
| 237 | { | ||
| 238 | return ASN1_item_dup(&X509_NAME_it, x); | ||
| 239 | } | ||
| 240 | |||
| 241 | static int | ||
| 242 | x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it) | ||
| 243 | { | ||
| 244 | X509_NAME *ret = NULL; | ||
| 245 | |||
| 246 | ret = malloc(sizeof(X509_NAME)); | ||
| 247 | if (!ret) | ||
| 248 | goto memerr; | ||
| 249 | if ((ret->entries = sk_X509_NAME_ENTRY_new_null()) == NULL) | ||
| 250 | goto memerr; | ||
| 251 | if ((ret->bytes = BUF_MEM_new()) == NULL) | ||
| 252 | goto memerr; | ||
| 253 | ret->canon_enc = NULL; | ||
| 254 | ret->canon_enclen = 0; | ||
| 255 | ret->modified = 1; | ||
| 256 | *val = (ASN1_VALUE *)ret; | ||
| 257 | return 1; | ||
| 258 | |||
| 259 | memerr: | ||
| 260 | ASN1err(ASN1_F_X509_NAME_EX_NEW, ERR_R_MALLOC_FAILURE); | ||
| 261 | if (ret) { | ||
| 262 | if (ret->entries) | ||
| 263 | sk_X509_NAME_ENTRY_free(ret->entries); | ||
| 264 | free(ret); | ||
| 265 | } | ||
| 266 | return 0; | ||
| 267 | } | ||
| 268 | |||
| 269 | static void | ||
| 270 | x509_name_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | ||
| 271 | { | ||
| 272 | X509_NAME *a; | ||
| 273 | |||
| 274 | if (!pval || !*pval) | ||
| 275 | return; | ||
| 276 | a = (X509_NAME *)*pval; | ||
| 277 | |||
| 278 | BUF_MEM_free(a->bytes); | ||
| 279 | sk_X509_NAME_ENTRY_pop_free(a->entries, X509_NAME_ENTRY_free); | ||
| 280 | free(a->canon_enc); | ||
| 281 | free(a); | ||
| 282 | *pval = NULL; | ||
| 283 | } | ||
| 284 | |||
| 285 | static int | ||
| 286 | x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, long len, | ||
| 287 | const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx) | ||
| 288 | { | ||
| 289 | const unsigned char *p = *in, *q; | ||
| 290 | union { | ||
| 291 | STACK_OF(STACK_OF_X509_NAME_ENTRY) *s; | ||
| 292 | ASN1_VALUE *a; | ||
| 293 | } intname = {NULL}; | ||
| 294 | union { | ||
| 295 | X509_NAME *x; | ||
| 296 | ASN1_VALUE *a; | ||
| 297 | } nm = {NULL}; | ||
| 298 | int i, j, ret; | ||
| 299 | STACK_OF(X509_NAME_ENTRY) *entries; | ||
| 300 | X509_NAME_ENTRY *entry; | ||
| 301 | q = p; | ||
| 302 | |||
| 303 | /* Get internal representation of Name */ | ||
| 304 | ret = ASN1_item_ex_d2i(&intname.a, &p, len, | ||
| 305 | ASN1_ITEM_rptr(X509_NAME_INTERNAL), tag, aclass, opt, ctx); | ||
| 306 | |||
| 307 | if (ret <= 0) | ||
| 308 | return ret; | ||
| 309 | |||
| 310 | if (*val) | ||
| 311 | x509_name_ex_free(val, NULL); | ||
| 312 | if (!x509_name_ex_new(&nm.a, NULL)) | ||
| 313 | goto err; | ||
| 314 | /* We've decoded it: now cache encoding */ | ||
| 315 | if (!BUF_MEM_grow(nm.x->bytes, p - q)) | ||
| 316 | goto err; | ||
| 317 | memcpy(nm.x->bytes->data, q, p - q); | ||
| 318 | |||
| 319 | /* Convert internal representation to X509_NAME structure */ | ||
| 320 | for (i = 0; i < sk_STACK_OF_X509_NAME_ENTRY_num(intname.s); i++) { | ||
| 321 | entries = sk_STACK_OF_X509_NAME_ENTRY_value(intname.s, i); | ||
| 322 | for (j = 0; j < sk_X509_NAME_ENTRY_num(entries); j++) { | ||
| 323 | entry = sk_X509_NAME_ENTRY_value(entries, j); | ||
| 324 | entry->set = i; | ||
| 325 | if (!sk_X509_NAME_ENTRY_push(nm.x->entries, entry)) | ||
| 326 | goto err; | ||
| 327 | } | ||
| 328 | sk_X509_NAME_ENTRY_free(entries); | ||
| 329 | } | ||
| 330 | sk_STACK_OF_X509_NAME_ENTRY_free(intname.s); | ||
| 331 | ret = x509_name_canon(nm.x); | ||
| 332 | if (!ret) | ||
| 333 | goto err; | ||
| 334 | nm.x->modified = 0; | ||
| 335 | *val = nm.a; | ||
| 336 | *in = p; | ||
| 337 | return ret; | ||
| 338 | |||
| 339 | err: | ||
| 340 | if (nm.x != NULL) | ||
| 341 | X509_NAME_free(nm.x); | ||
| 342 | ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR); | ||
| 343 | return 0; | ||
| 344 | } | ||
| 345 | |||
| 346 | static int | ||
| 347 | x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, | ||
| 348 | int tag, int aclass) | ||
| 349 | { | ||
| 350 | int ret; | ||
| 351 | X509_NAME *a = (X509_NAME *)*val; | ||
| 352 | |||
| 353 | if (a->modified) { | ||
| 354 | ret = x509_name_encode(a); | ||
| 355 | if (ret < 0) | ||
| 356 | return ret; | ||
| 357 | ret = x509_name_canon(a); | ||
| 358 | if (ret < 0) | ||
| 359 | return ret; | ||
| 360 | } | ||
| 361 | ret = a->bytes->length; | ||
| 362 | if (out != NULL) { | ||
| 363 | memcpy(*out, a->bytes->data, ret); | ||
| 364 | *out += ret; | ||
| 365 | } | ||
| 366 | return ret; | ||
| 367 | } | ||
| 368 | |||
| 369 | static void | ||
| 370 | local_sk_X509_NAME_ENTRY_free(STACK_OF(X509_NAME_ENTRY) *ne) | ||
| 371 | { | ||
| 372 | sk_X509_NAME_ENTRY_free(ne); | ||
| 373 | } | ||
| 374 | |||
| 375 | static void | ||
| 376 | local_sk_X509_NAME_ENTRY_pop_free(STACK_OF(X509_NAME_ENTRY) *ne) | ||
| 377 | { | ||
| 378 | sk_X509_NAME_ENTRY_pop_free(ne, X509_NAME_ENTRY_free); | ||
| 379 | } | ||
| 380 | |||
| 381 | static int | ||
| 382 | x509_name_encode(X509_NAME *a) | ||
| 383 | { | ||
| 384 | union { | ||
| 385 | STACK_OF(STACK_OF_X509_NAME_ENTRY) *s; | ||
| 386 | ASN1_VALUE *a; | ||
| 387 | } intname = {NULL}; | ||
| 388 | int len; | ||
| 389 | unsigned char *p; | ||
| 390 | STACK_OF(X509_NAME_ENTRY) *entries = NULL; | ||
| 391 | X509_NAME_ENTRY *entry; | ||
| 392 | int i, set = -1; | ||
| 393 | |||
| 394 | intname.s = sk_STACK_OF_X509_NAME_ENTRY_new_null(); | ||
| 395 | if (!intname.s) | ||
| 396 | goto memerr; | ||
| 397 | for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { | ||
| 398 | entry = sk_X509_NAME_ENTRY_value(a->entries, i); | ||
| 399 | if (entry->set != set) { | ||
| 400 | entries = sk_X509_NAME_ENTRY_new_null(); | ||
| 401 | if (!entries) | ||
| 402 | goto memerr; | ||
| 403 | if (!sk_STACK_OF_X509_NAME_ENTRY_push(intname.s, | ||
| 404 | entries)) | ||
| 405 | goto memerr; | ||
| 406 | set = entry->set; | ||
| 407 | } | ||
| 408 | if (entries == NULL /* if entry->set is bogusly -1 */ || | ||
| 409 | !sk_X509_NAME_ENTRY_push(entries, entry)) | ||
| 410 | goto memerr; | ||
| 411 | } | ||
| 412 | len = ASN1_item_ex_i2d(&intname.a, NULL, | ||
| 413 | ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1); | ||
| 414 | if (!BUF_MEM_grow(a->bytes, len)) | ||
| 415 | goto memerr; | ||
| 416 | p = (unsigned char *)a->bytes->data; | ||
| 417 | ASN1_item_ex_i2d(&intname.a, &p, ASN1_ITEM_rptr(X509_NAME_INTERNAL), | ||
| 418 | -1, -1); | ||
| 419 | sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s, | ||
| 420 | local_sk_X509_NAME_ENTRY_free); | ||
| 421 | a->modified = 0; | ||
| 422 | return len; | ||
| 423 | |||
| 424 | memerr: | ||
| 425 | sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s, | ||
| 426 | local_sk_X509_NAME_ENTRY_free); | ||
| 427 | ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE); | ||
| 428 | return -1; | ||
| 429 | } | ||
| 430 | |||
| 431 | static int | ||
| 432 | x509_name_ex_print(BIO *out, ASN1_VALUE **pval, int indent, const char *fname, | ||
| 433 | const ASN1_PCTX *pctx) | ||
| 434 | { | ||
| 435 | if (X509_NAME_print_ex(out, (X509_NAME *)*pval, indent, | ||
| 436 | pctx->nm_flags) <= 0) | ||
| 437 | return 0; | ||
| 438 | return 2; | ||
| 439 | } | ||
| 440 | |||
| 441 | /* This function generates the canonical encoding of the Name structure. | ||
| 442 | * In it all strings are converted to UTF8, leading, trailing and | ||
| 443 | * multiple spaces collapsed, converted to lower case and the leading | ||
| 444 | * SEQUENCE header removed. | ||
| 445 | * | ||
| 446 | * In future we could also normalize the UTF8 too. | ||
| 447 | * | ||
| 448 | * By doing this comparison of Name structures can be rapidly | ||
| 449 | * performed by just using memcmp() of the canonical encoding. | ||
| 450 | * By omitting the leading SEQUENCE name constraints of type | ||
| 451 | * dirName can also be checked with a simple memcmp(). | ||
| 452 | */ | ||
| 453 | |||
| 454 | static int | ||
| 455 | x509_name_canon(X509_NAME *a) | ||
| 456 | { | ||
| 457 | unsigned char *p; | ||
| 458 | STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname = NULL; | ||
| 459 | STACK_OF(X509_NAME_ENTRY) *entries = NULL; | ||
| 460 | X509_NAME_ENTRY *entry, *tmpentry = NULL; | ||
| 461 | int i, len, set = -1, ret = 0; | ||
| 462 | |||
| 463 | if (a->canon_enc) { | ||
| 464 | free(a->canon_enc); | ||
| 465 | a->canon_enc = NULL; | ||
| 466 | } | ||
| 467 | /* Special case: empty X509_NAME => null encoding */ | ||
| 468 | if (sk_X509_NAME_ENTRY_num(a->entries) == 0) { | ||
| 469 | a->canon_enclen = 0; | ||
| 470 | return 1; | ||
| 471 | } | ||
| 472 | intname = sk_STACK_OF_X509_NAME_ENTRY_new_null(); | ||
| 473 | if (!intname) | ||
| 474 | goto err; | ||
| 475 | for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { | ||
| 476 | entry = sk_X509_NAME_ENTRY_value(a->entries, i); | ||
| 477 | if (entry->set != set) { | ||
| 478 | entries = sk_X509_NAME_ENTRY_new_null(); | ||
| 479 | if (!entries) | ||
| 480 | goto err; | ||
| 481 | if (sk_STACK_OF_X509_NAME_ENTRY_push(intname, | ||
| 482 | entries) == 0) { | ||
| 483 | sk_X509_NAME_ENTRY_free(entries); | ||
| 484 | goto err; | ||
| 485 | } | ||
| 486 | set = entry->set; | ||
| 487 | } | ||
| 488 | tmpentry = X509_NAME_ENTRY_new(); | ||
| 489 | if (tmpentry == NULL) | ||
| 490 | goto err; | ||
| 491 | tmpentry->object = OBJ_dup(entry->object); | ||
| 492 | if (tmpentry->object == NULL) | ||
| 493 | goto err; | ||
| 494 | if (!asn1_string_canon(tmpentry->value, entry->value)) | ||
| 495 | goto err; | ||
| 496 | if (entries == NULL /* if entry->set is bogusly -1 */ || | ||
| 497 | !sk_X509_NAME_ENTRY_push(entries, tmpentry)) | ||
| 498 | goto err; | ||
| 499 | tmpentry = NULL; | ||
| 500 | } | ||
| 501 | |||
| 502 | /* Finally generate encoding */ | ||
| 503 | len = i2d_name_canon(intname, NULL); | ||
| 504 | if (len < 0) | ||
| 505 | goto err; | ||
| 506 | p = malloc(len); | ||
| 507 | if (p == NULL) | ||
| 508 | goto err; | ||
| 509 | a->canon_enc = p; | ||
| 510 | a->canon_enclen = len; | ||
| 511 | i2d_name_canon(intname, &p); | ||
| 512 | ret = 1; | ||
| 513 | |||
| 514 | err: | ||
| 515 | if (tmpentry) | ||
| 516 | X509_NAME_ENTRY_free(tmpentry); | ||
| 517 | if (intname) | ||
| 518 | sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname, | ||
| 519 | local_sk_X509_NAME_ENTRY_pop_free); | ||
| 520 | return ret; | ||
| 521 | } | ||
| 522 | |||
| 523 | /* Bitmap of all the types of string that will be canonicalized. */ | ||
| 524 | |||
| 525 | #define ASN1_MASK_CANON \ | ||
| 526 | (B_ASN1_UTF8STRING | B_ASN1_BMPSTRING | B_ASN1_UNIVERSALSTRING \ | ||
| 527 | | B_ASN1_PRINTABLESTRING | B_ASN1_T61STRING | B_ASN1_IA5STRING \ | ||
| 528 | | B_ASN1_VISIBLESTRING) | ||
| 529 | |||
| 530 | |||
| 531 | static int | ||
| 532 | asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in) | ||
| 533 | { | ||
| 534 | unsigned char *to, *from; | ||
| 535 | int len, i; | ||
| 536 | |||
| 537 | /* If type not in bitmask just copy string across */ | ||
| 538 | if (!(ASN1_tag2bit(in->type) & ASN1_MASK_CANON)) { | ||
| 539 | if (!ASN1_STRING_copy(out, in)) | ||
| 540 | return 0; | ||
| 541 | return 1; | ||
| 542 | } | ||
| 543 | |||
| 544 | out->type = V_ASN1_UTF8STRING; | ||
| 545 | out->length = ASN1_STRING_to_UTF8(&out->data, in); | ||
| 546 | if (out->length == -1) | ||
| 547 | return 0; | ||
| 548 | |||
| 549 | to = out->data; | ||
| 550 | from = to; | ||
| 551 | |||
| 552 | len = out->length; | ||
| 553 | |||
| 554 | /* Convert string in place to canonical form. | ||
| 555 | * Ultimately we may need to handle a wider range of characters | ||
| 556 | * but for now ignore anything with MSB set and rely on the | ||
| 557 | * isspace() and tolower() functions. | ||
| 558 | */ | ||
| 559 | |||
| 560 | /* Ignore leading spaces */ | ||
| 561 | while ((len > 0) && !(*from & 0x80) && isspace(*from)) { | ||
| 562 | from++; | ||
| 563 | len--; | ||
| 564 | } | ||
| 565 | |||
| 566 | to = from + len - 1; | ||
| 567 | |||
| 568 | /* Ignore trailing spaces */ | ||
| 569 | while ((len > 0) && !(*to & 0x80) && isspace(*to)) { | ||
| 570 | to--; | ||
| 571 | len--; | ||
| 572 | } | ||
| 573 | |||
| 574 | to = out->data; | ||
| 575 | |||
| 576 | i = 0; | ||
| 577 | while (i < len) { | ||
| 578 | /* If MSB set just copy across */ | ||
| 579 | if (*from & 0x80) { | ||
| 580 | *to++ = *from++; | ||
| 581 | i++; | ||
| 582 | } | ||
| 583 | /* Collapse multiple spaces */ | ||
| 584 | else if (isspace(*from)) { | ||
| 585 | /* Copy one space across */ | ||
| 586 | *to++ = ' '; | ||
| 587 | /* Ignore subsequent spaces. Note: don't need to | ||
| 588 | * check len here because we know the last | ||
| 589 | * character is a non-space so we can't overflow. | ||
| 590 | */ | ||
| 591 | do { | ||
| 592 | from++; | ||
| 593 | i++; | ||
| 594 | } while (!(*from & 0x80) && isspace(*from)); | ||
| 595 | } else { | ||
| 596 | *to++ = tolower(*from); | ||
| 597 | from++; | ||
| 598 | i++; | ||
| 599 | } | ||
| 600 | } | ||
| 601 | |||
| 602 | out->length = to - out->data; | ||
| 603 | |||
| 604 | return 1; | ||
| 605 | } | ||
| 606 | |||
| 607 | static int | ||
| 608 | i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) *_intname, unsigned char **in) | ||
| 609 | { | ||
| 610 | int i, len, ltmp; | ||
| 611 | ASN1_VALUE *v; | ||
| 612 | STACK_OF(ASN1_VALUE) *intname = (STACK_OF(ASN1_VALUE) *)_intname; | ||
| 613 | |||
| 614 | len = 0; | ||
| 615 | for (i = 0; i < sk_ASN1_VALUE_num(intname); i++) { | ||
| 616 | v = sk_ASN1_VALUE_value(intname, i); | ||
| 617 | ltmp = ASN1_item_ex_i2d(&v, in, | ||
| 618 | ASN1_ITEM_rptr(X509_NAME_ENTRIES), -1, -1); | ||
| 619 | if (ltmp < 0) | ||
| 620 | return ltmp; | ||
| 621 | len += ltmp; | ||
| 622 | } | ||
| 623 | return len; | ||
| 624 | } | ||
| 625 | |||
| 626 | int | ||
| 627 | X509_NAME_set(X509_NAME **xn, X509_NAME *name) | ||
| 628 | { | ||
| 629 | X509_NAME *in; | ||
| 630 | |||
| 631 | if (!xn || !name) | ||
| 632 | return (0); | ||
| 633 | |||
| 634 | if (*xn != name) { | ||
| 635 | in = X509_NAME_dup(name); | ||
| 636 | if (in != NULL) { | ||
| 637 | X509_NAME_free(*xn); | ||
| 638 | *xn = in; | ||
| 639 | } | ||
| 640 | } | ||
| 641 | return (*xn != NULL); | ||
| 642 | } | ||
