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| 1 /* apps/asn1pars.c */ | |
| 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 /* A nice addition from Dr Stephen Henson <steve@openssl.org> to | |
| 60 * add the -strparse option which parses nested binary structures | |
| 61 */ | |
| 62 | |
| 63 #include <stdio.h> | |
| 64 #include <stdlib.h> | |
| 65 #include <string.h> | |
| 66 #include "apps.h" | |
| 67 #include <openssl/err.h> | |
| 68 #include <openssl/evp.h> | |
| 69 #include <openssl/x509.h> | |
| 70 #include <openssl/pem.h> | |
| 71 | |
| 72 /* -inform arg - input format - default PEM (DER or PEM) | |
| 73 * -in arg - input file - default stdin | |
| 74 * -i - indent the details by depth | |
| 75 * -offset - where in the file to start | |
| 76 * -length - how many bytes to use | |
| 77 * -oid file - extra oid description file | |
| 78 */ | |
| 79 | |
| 80 #undef PROG | |
| 81 #define PROG asn1parse_main | |
| 82 | |
| 83 int MAIN(int, char **); | |
| 84 | |
| 85 static int do_generate(BIO *bio, char *genstr, char *genconf, BUF_MEM *buf); | |
| 86 | |
| 87 int MAIN(int argc, char **argv) | |
| 88 { | |
| 89 int i,badops=0,offset=0,ret=1,j; | |
| 90 unsigned int length=0; | |
| 91 long num,tmplen; | |
| 92 BIO *in=NULL,*out=NULL,*b64=NULL, *derout = NULL; | |
| 93 int informat,indent=0, noout = 0, dump = 0; | |
| 94 char *infile=NULL,*str=NULL,*prog,*oidfile=NULL, *derfile=NULL; | |
| 95 char *genstr=NULL, *genconf=NULL; | |
| 96 unsigned char *tmpbuf; | |
| 97 const unsigned char *ctmpbuf; | |
| 98 BUF_MEM *buf=NULL; | |
| 99 STACK_OF(OPENSSL_STRING) *osk=NULL; | |
| 100 ASN1_TYPE *at=NULL; | |
| 101 | |
| 102 informat=FORMAT_PEM; | |
| 103 | |
| 104 apps_startup(); | |
| 105 | |
| 106 if (bio_err == NULL) | |
| 107 if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
| 108 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); | |
| 109 | |
| 110 if (!load_config(bio_err, NULL)) | |
| 111 goto end; | |
| 112 | |
| 113 prog=argv[0]; | |
| 114 argc--; | |
| 115 argv++; | |
| 116 if ((osk=sk_OPENSSL_STRING_new_null()) == NULL) | |
| 117 { | |
| 118 BIO_printf(bio_err,"Memory allocation failure\n"); | |
| 119 goto end; | |
| 120 } | |
| 121 while (argc >= 1) | |
| 122 { | |
| 123 if (strcmp(*argv,"-inform") == 0) | |
| 124 { | |
| 125 if (--argc < 1) goto bad; | |
| 126 informat=str2fmt(*(++argv)); | |
| 127 } | |
| 128 else if (strcmp(*argv,"-in") == 0) | |
| 129 { | |
| 130 if (--argc < 1) goto bad; | |
| 131 infile= *(++argv); | |
| 132 } | |
| 133 else if (strcmp(*argv,"-out") == 0) | |
| 134 { | |
| 135 if (--argc < 1) goto bad; | |
| 136 derfile= *(++argv); | |
| 137 } | |
| 138 else if (strcmp(*argv,"-i") == 0) | |
| 139 { | |
| 140 indent=1; | |
| 141 } | |
| 142 else if (strcmp(*argv,"-noout") == 0) noout = 1; | |
| 143 else if (strcmp(*argv,"-oid") == 0) | |
| 144 { | |
| 145 if (--argc < 1) goto bad; | |
| 146 oidfile= *(++argv); | |
| 147 } | |
| 148 else if (strcmp(*argv,"-offset") == 0) | |
| 149 { | |
| 150 if (--argc < 1) goto bad; | |
| 151 offset= atoi(*(++argv)); | |
| 152 } | |
| 153 else if (strcmp(*argv,"-length") == 0) | |
| 154 { | |
| 155 if (--argc < 1) goto bad; | |
| 156 length= atoi(*(++argv)); | |
| 157 if (length == 0) goto bad; | |
| 158 } | |
| 159 else if (strcmp(*argv,"-dump") == 0) | |
| 160 { | |
| 161 dump= -1; | |
| 162 } | |
| 163 else if (strcmp(*argv,"-dlimit") == 0) | |
| 164 { | |
| 165 if (--argc < 1) goto bad; | |
| 166 dump= atoi(*(++argv)); | |
| 167 if (dump <= 0) goto bad; | |
| 168 } | |
| 169 else if (strcmp(*argv,"-strparse") == 0) | |
| 170 { | |
| 171 if (--argc < 1) goto bad; | |
| 172 sk_OPENSSL_STRING_push(osk,*(++argv)); | |
| 173 } | |
| 174 else if (strcmp(*argv,"-genstr") == 0) | |
| 175 { | |
| 176 if (--argc < 1) goto bad; | |
| 177 genstr= *(++argv); | |
| 178 } | |
| 179 else if (strcmp(*argv,"-genconf") == 0) | |
| 180 { | |
| 181 if (--argc < 1) goto bad; | |
| 182 genconf= *(++argv); | |
| 183 } | |
| 184 else | |
| 185 { | |
| 186 BIO_printf(bio_err,"unknown option %s\n",*argv); | |
| 187 badops=1; | |
| 188 break; | |
| 189 } | |
| 190 argc--; | |
| 191 argv++; | |
| 192 } | |
| 193 | |
| 194 if (badops) | |
| 195 { | |
| 196 bad: | |
| 197 BIO_printf(bio_err,"%s [options] <infile\n",prog); | |
| 198 BIO_printf(bio_err,"where options are\n"); | |
| 199 BIO_printf(bio_err," -inform arg input format - one of DER PEM
\n"); | |
| 200 BIO_printf(bio_err," -in arg input file\n"); | |
| 201 BIO_printf(bio_err," -out arg output file (output format is
always DER\n"); | |
| 202 BIO_printf(bio_err," -noout arg don't produce any output\n"); | |
| 203 BIO_printf(bio_err," -offset arg offset into file\n"); | |
| 204 BIO_printf(bio_err," -length arg length of section in file\n")
; | |
| 205 BIO_printf(bio_err," -i indent entries\n"); | |
| 206 BIO_printf(bio_err," -dump dump unknown data in hex form
\n"); | |
| 207 BIO_printf(bio_err," -dlimit arg dump the first arg bytes of u
nknown data in hex form\n"); | |
| 208 BIO_printf(bio_err," -oid file file of extra oid definitions
\n"); | |
| 209 BIO_printf(bio_err," -strparse offset\n"); | |
| 210 BIO_printf(bio_err," a series of these can be used
to 'dig' into multiple\n"); | |
| 211 BIO_printf(bio_err," ASN1 blob wrappings\n"); | |
| 212 BIO_printf(bio_err," -genstr str string to generate ASN1 struc
ture from\n"); | |
| 213 BIO_printf(bio_err," -genconf file file to generate ASN1 structu
re from\n"); | |
| 214 goto end; | |
| 215 } | |
| 216 | |
| 217 ERR_load_crypto_strings(); | |
| 218 | |
| 219 in=BIO_new(BIO_s_file()); | |
| 220 out=BIO_new(BIO_s_file()); | |
| 221 if ((in == NULL) || (out == NULL)) | |
| 222 { | |
| 223 ERR_print_errors(bio_err); | |
| 224 goto end; | |
| 225 } | |
| 226 BIO_set_fp(out,stdout,BIO_NOCLOSE|BIO_FP_TEXT); | |
| 227 #ifdef OPENSSL_SYS_VMS | |
| 228 { | |
| 229 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
| 230 out = BIO_push(tmpbio, out); | |
| 231 } | |
| 232 #endif | |
| 233 | |
| 234 if (oidfile != NULL) | |
| 235 { | |
| 236 if (BIO_read_filename(in,oidfile) <= 0) | |
| 237 { | |
| 238 BIO_printf(bio_err,"problems opening %s\n",oidfile); | |
| 239 ERR_print_errors(bio_err); | |
| 240 goto end; | |
| 241 } | |
| 242 OBJ_create_objects(in); | |
| 243 } | |
| 244 | |
| 245 if (infile == NULL) | |
| 246 BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
| 247 else | |
| 248 { | |
| 249 if (BIO_read_filename(in,infile) <= 0) | |
| 250 { | |
| 251 perror(infile); | |
| 252 goto end; | |
| 253 } | |
| 254 } | |
| 255 | |
| 256 if (derfile) { | |
| 257 if(!(derout = BIO_new_file(derfile, "wb"))) { | |
| 258 BIO_printf(bio_err,"problems opening %s\n",derfile); | |
| 259 ERR_print_errors(bio_err); | |
| 260 goto end; | |
| 261 } | |
| 262 } | |
| 263 | |
| 264 if ((buf=BUF_MEM_new()) == NULL) goto end; | |
| 265 if (!BUF_MEM_grow(buf,BUFSIZ*8)) goto end; /* Pre-allocate :-) */ | |
| 266 | |
| 267 if (genstr || genconf) | |
| 268 { | |
| 269 num = do_generate(bio_err, genstr, genconf, buf); | |
| 270 if (num < 0) | |
| 271 { | |
| 272 ERR_print_errors(bio_err); | |
| 273 goto end; | |
| 274 } | |
| 275 } | |
| 276 | |
| 277 else | |
| 278 { | |
| 279 | |
| 280 if (informat == FORMAT_PEM) | |
| 281 { | |
| 282 BIO *tmp; | |
| 283 | |
| 284 if ((b64=BIO_new(BIO_f_base64())) == NULL) | |
| 285 goto end; | |
| 286 BIO_push(b64,in); | |
| 287 tmp=in; | |
| 288 in=b64; | |
| 289 b64=tmp; | |
| 290 } | |
| 291 | |
| 292 num=0; | |
| 293 for (;;) | |
| 294 { | |
| 295 if (!BUF_MEM_grow(buf,(int)num+BUFSIZ)) goto end; | |
| 296 i=BIO_read(in,&(buf->data[num]),BUFSIZ); | |
| 297 if (i <= 0) break; | |
| 298 num+=i; | |
| 299 } | |
| 300 } | |
| 301 str=buf->data; | |
| 302 | |
| 303 /* If any structs to parse go through in sequence */ | |
| 304 | |
| 305 if (sk_OPENSSL_STRING_num(osk)) | |
| 306 { | |
| 307 tmpbuf=(unsigned char *)str; | |
| 308 tmplen=num; | |
| 309 for (i=0; i<sk_OPENSSL_STRING_num(osk); i++) | |
| 310 { | |
| 311 ASN1_TYPE *atmp; | |
| 312 int typ; | |
| 313 j=atoi(sk_OPENSSL_STRING_value(osk,i)); | |
| 314 if (j == 0) | |
| 315 { | |
| 316 BIO_printf(bio_err,"'%s' is an invalid number\n"
,sk_OPENSSL_STRING_value(osk,i)); | |
| 317 continue; | |
| 318 } | |
| 319 tmpbuf+=j; | |
| 320 tmplen-=j; | |
| 321 atmp = at; | |
| 322 ctmpbuf = tmpbuf; | |
| 323 at = d2i_ASN1_TYPE(NULL,&ctmpbuf,tmplen); | |
| 324 ASN1_TYPE_free(atmp); | |
| 325 if(!at) | |
| 326 { | |
| 327 BIO_printf(bio_err,"Error parsing structure\n"); | |
| 328 ERR_print_errors(bio_err); | |
| 329 goto end; | |
| 330 } | |
| 331 typ = ASN1_TYPE_get(at); | |
| 332 if ((typ == V_ASN1_OBJECT) | |
| 333 || (typ == V_ASN1_NULL)) | |
| 334 { | |
| 335 BIO_printf(bio_err, "Can't parse %s type\n", | |
| 336 typ == V_ASN1_NULL ? "NULL" : "OBJECT"); | |
| 337 ERR_print_errors(bio_err); | |
| 338 goto end; | |
| 339 } | |
| 340 /* hmm... this is a little evil but it works */ | |
| 341 tmpbuf=at->value.asn1_string->data; | |
| 342 tmplen=at->value.asn1_string->length; | |
| 343 } | |
| 344 str=(char *)tmpbuf; | |
| 345 num=tmplen; | |
| 346 } | |
| 347 | |
| 348 if (offset >= num) | |
| 349 { | |
| 350 BIO_printf(bio_err, "Error: offset too large\n"); | |
| 351 goto end; | |
| 352 } | |
| 353 | |
| 354 num -= offset; | |
| 355 | |
| 356 if ((length == 0) || ((long)length > num)) length=(unsigned int)num; | |
| 357 if(derout) { | |
| 358 if(BIO_write(derout, str + offset, length) != (int)length) { | |
| 359 BIO_printf(bio_err, "Error writing output\n"); | |
| 360 ERR_print_errors(bio_err); | |
| 361 goto end; | |
| 362 } | |
| 363 } | |
| 364 if (!noout && | |
| 365 !ASN1_parse_dump(out,(unsigned char *)&(str[offset]),length, | |
| 366 indent,dump)) | |
| 367 { | |
| 368 ERR_print_errors(bio_err); | |
| 369 goto end; | |
| 370 } | |
| 371 ret=0; | |
| 372 end: | |
| 373 BIO_free(derout); | |
| 374 if (in != NULL) BIO_free(in); | |
| 375 if (out != NULL) BIO_free_all(out); | |
| 376 if (b64 != NULL) BIO_free(b64); | |
| 377 if (ret != 0) | |
| 378 ERR_print_errors(bio_err); | |
| 379 if (buf != NULL) BUF_MEM_free(buf); | |
| 380 if (at != NULL) ASN1_TYPE_free(at); | |
| 381 if (osk != NULL) sk_OPENSSL_STRING_free(osk); | |
| 382 OBJ_cleanup(); | |
| 383 apps_shutdown(); | |
| 384 OPENSSL_EXIT(ret); | |
| 385 } | |
| 386 | |
| 387 static int do_generate(BIO *bio, char *genstr, char *genconf, BUF_MEM *buf) | |
| 388 { | |
| 389 CONF *cnf = NULL; | |
| 390 int len; | |
| 391 long errline; | |
| 392 unsigned char *p; | |
| 393 ASN1_TYPE *atyp = NULL; | |
| 394 | |
| 395 if (genconf) | |
| 396 { | |
| 397 cnf = NCONF_new(NULL); | |
| 398 if (!NCONF_load(cnf, genconf, &errline)) | |
| 399 goto conferr; | |
| 400 if (!genstr) | |
| 401 genstr = NCONF_get_string(cnf, "default", "asn1"); | |
| 402 if (!genstr) | |
| 403 { | |
| 404 BIO_printf(bio, "Can't find 'asn1' in '%s'\n", genconf); | |
| 405 goto err; | |
| 406 } | |
| 407 } | |
| 408 | |
| 409 atyp = ASN1_generate_nconf(genstr, cnf); | |
| 410 NCONF_free(cnf); | |
| 411 cnf = NULL; | |
| 412 | |
| 413 if (!atyp) | |
| 414 return -1; | |
| 415 | |
| 416 len = i2d_ASN1_TYPE(atyp, NULL); | |
| 417 | |
| 418 if (len <= 0) | |
| 419 goto err; | |
| 420 | |
| 421 if (!BUF_MEM_grow(buf,len)) | |
| 422 goto err; | |
| 423 | |
| 424 p=(unsigned char *)buf->data; | |
| 425 | |
| 426 i2d_ASN1_TYPE(atyp, &p); | |
| 427 | |
| 428 ASN1_TYPE_free(atyp); | |
| 429 return len; | |
| 430 | |
| 431 conferr: | |
| 432 | |
| 433 if (errline > 0) | |
| 434 BIO_printf(bio, "Error on line %ld of config file '%s'\n", | |
| 435 errline, genconf); | |
| 436 else | |
| 437 BIO_printf(bio, "Error loading config file '%s'\n", genconf); | |
| 438 | |
| 439 err: | |
| 440 NCONF_free(cnf); | |
| 441 ASN1_TYPE_free(atyp); | |
| 442 | |
| 443 return -1; | |
| 444 | |
| 445 } | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master