Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | /* a_strex.c */ |
| 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
| 3 | * project 2000. |
| 4 | */ |
| 5 | /* ==================================================================== |
| 6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in |
| 17 | * the documentation and/or other materials provided with the |
| 18 | * distribution. |
| 19 | * |
| 20 | * 3. All advertising materials mentioning features or use of this |
| 21 | * software must display the following acknowledgment: |
| 22 | * "This product includes software developed by the OpenSSL Project |
| 23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| 24 | * |
| 25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 26 | * endorse or promote products derived from this software without |
| 27 | * prior written permission. For written permission, please contact |
| 28 | * licensing@OpenSSL.org. |
| 29 | * |
| 30 | * 5. Products derived from this software may not be called "OpenSSL" |
| 31 | * nor may "OpenSSL" appear in their names without prior written |
| 32 | * permission of the OpenSSL Project. |
| 33 | * |
| 34 | * 6. Redistributions of any form whatsoever must retain the following |
| 35 | * acknowledgment: |
| 36 | * "This product includes software developed by the OpenSSL Project |
| 37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| 38 | * |
| 39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 50 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 51 | * ==================================================================== |
| 52 | * |
| 53 | * This product includes cryptographic software written by Eric Young |
| 54 | * (eay@cryptsoft.com). This product includes software written by Tim |
| 55 | * Hudson (tjh@cryptsoft.com). |
| 56 | * |
| 57 | */ |
| 58 | |
| 59 | #include <stdio.h> |
| 60 | #include <string.h> |
| 61 | #include "cryptlib.h" |
| 62 | #include <openssl/crypto.h> |
| 63 | #include <openssl/x509.h> |
| 64 | #include <openssl/asn1.h> |
| 65 | |
| 66 | #include "charmap.h" |
| 67 | |
| 68 | /* ASN1_STRING_print_ex() and X509_NAME_print_ex(). |
| 69 | * Enhanced string and name printing routines handling |
| 70 | * multibyte characters, RFC2253 and a host of other |
| 71 | * options. |
| 72 | */ |
| 73 | |
| 74 | |
| 75 | #define CHARTYPE_BS_ESC (ASN1_STRFLGS_ESC_2253 | CHARTYPE_FIRST_ESC_2253 | CHARTYPE_LAST_ESC_2253) |
| 76 | |
| 77 | #define ESC_FLAGS (ASN1_STRFLGS_ESC_2253 | \ |
| 78 | ASN1_STRFLGS_ESC_QUOTE | \ |
| 79 | ASN1_STRFLGS_ESC_CTRL | \ |
| 80 | ASN1_STRFLGS_ESC_MSB) |
| 81 | |
| 82 | |
| 83 | /* Three IO functions for sending data to memory, a BIO and |
| 84 | * and a FILE pointer. |
| 85 | */ |
| 86 | #if 0 /* never used */ |
| 87 | static int send_mem_chars(void *arg, const void *buf, int len) |
| 88 | { |
| 89 | unsigned char **out = arg; |
| 90 | if(!out) return 1; |
| 91 | memcpy(*out, buf, len); |
| 92 | *out += len; |
| 93 | return 1; |
| 94 | } |
| 95 | #endif |
| 96 | |
| 97 | static int send_bio_chars(void *arg, const void *buf, int len) |
| 98 | { |
| 99 | if(!arg) return 1; |
| 100 | if(BIO_write(arg, buf, len) != len) return 0; |
| 101 | return 1; |
| 102 | } |
| 103 | |
| 104 | static int send_fp_chars(void *arg, const void *buf, int len) |
| 105 | { |
| 106 | if(!arg) return 1; |
| 107 | if(fwrite(buf, 1, len, arg) != (unsigned int)len) return 0; |
| 108 | return 1; |
| 109 | } |
| 110 | |
| 111 | typedef int char_io(void *arg, const void *buf, int len); |
| 112 | |
| 113 | /* This function handles display of |
| 114 | * strings, one character at a time. |
| 115 | * It is passed an unsigned long for each |
| 116 | * character because it could come from 2 or even |
| 117 | * 4 byte forms. |
| 118 | */ |
| 119 | |
| 120 | static int do_esc_char(unsigned long c, unsigned char flags, char *do_quotes, char_io *io_ch, void *arg) |
| 121 | { |
| 122 | unsigned char chflgs, chtmp; |
| 123 | char tmphex[HEX_SIZE(long)+3]; |
| 124 | |
| 125 | if(c > 0xffffffffL) |
| 126 | return -1; |
| 127 | if(c > 0xffff) { |
| 128 | BIO_snprintf(tmphex, sizeof tmphex, "\\W%08lX", c); |
| 129 | if(!io_ch(arg, tmphex, 10)) return -1; |
| 130 | return 10; |
| 131 | } |
| 132 | if(c > 0xff) { |
| 133 | BIO_snprintf(tmphex, sizeof tmphex, "\\U%04lX", c); |
| 134 | if(!io_ch(arg, tmphex, 6)) return -1; |
| 135 | return 6; |
| 136 | } |
| 137 | chtmp = (unsigned char)c; |
| 138 | if(chtmp > 0x7f) chflgs = flags & ASN1_STRFLGS_ESC_MSB; |
| 139 | else chflgs = char_type[chtmp] & flags; |
| 140 | if(chflgs & CHARTYPE_BS_ESC) { |
| 141 | /* If we don't escape with quotes, signal we need quotes */ |
| 142 | if(chflgs & ASN1_STRFLGS_ESC_QUOTE) { |
| 143 | if(do_quotes) *do_quotes = 1; |
| 144 | if(!io_ch(arg, &chtmp, 1)) return -1; |
| 145 | return 1; |
| 146 | } |
| 147 | if(!io_ch(arg, "\\", 1)) return -1; |
| 148 | if(!io_ch(arg, &chtmp, 1)) return -1; |
| 149 | return 2; |
| 150 | } |
| 151 | if(chflgs & (ASN1_STRFLGS_ESC_CTRL|ASN1_STRFLGS_ESC_MSB)) { |
| 152 | BIO_snprintf(tmphex, 11, "\\%02X", chtmp); |
| 153 | if(!io_ch(arg, tmphex, 3)) return -1; |
| 154 | return 3; |
| 155 | } |
| 156 | /* If we get this far and do any escaping at all must escape |
| 157 | * the escape character itself: backslash. |
| 158 | */ |
| 159 | if (chtmp == '\\' && flags & ESC_FLAGS) { |
| 160 | if(!io_ch(arg, "\\\\", 2)) return -1; |
| 161 | return 2; |
| 162 | } |
| 163 | if(!io_ch(arg, &chtmp, 1)) return -1; |
| 164 | return 1; |
| 165 | } |
| 166 | |
| 167 | #define BUF_TYPE_WIDTH_MASK 0x7 |
| 168 | #define BUF_TYPE_CONVUTF8 0x8 |
| 169 | |
| 170 | /* This function sends each character in a buffer to |
| 171 | * do_esc_char(). It interprets the content formats |
| 172 | * and converts to or from UTF8 as appropriate. |
| 173 | */ |
| 174 | |
| 175 | static int do_buf(unsigned char *buf, int buflen, |
| 176 | int type, unsigned char flags, char *quotes, char_io *io_ch, void *arg) |
| 177 | { |
| 178 | int i, outlen, len; |
| 179 | unsigned char orflags, *p, *q; |
| 180 | unsigned long c; |
| 181 | p = buf; |
| 182 | q = buf + buflen; |
| 183 | outlen = 0; |
| 184 | while(p != q) { |
| 185 | if(p == buf && flags & ASN1_STRFLGS_ESC_2253) orflags = CHARTYPE_FIRST_ESC_2253; |
| 186 | else orflags = 0; |
| 187 | switch(type & BUF_TYPE_WIDTH_MASK) { |
| 188 | case 4: |
| 189 | c = ((unsigned long)*p++) << 24; |
| 190 | c |= ((unsigned long)*p++) << 16; |
| 191 | c |= ((unsigned long)*p++) << 8; |
| 192 | c |= *p++; |
| 193 | break; |
| 194 | |
| 195 | case 2: |
| 196 | c = ((unsigned long)*p++) << 8; |
| 197 | c |= *p++; |
| 198 | break; |
| 199 | |
| 200 | case 1: |
| 201 | c = *p++; |
| 202 | break; |
| 203 | |
| 204 | case 0: |
| 205 | i = UTF8_getc(p, buflen, &c); |
| 206 | if(i < 0) return -1; /* Invalid UTF8String */ |
| 207 | p += i; |
| 208 | break; |
| 209 | default: |
| 210 | return -1; /* invalid width */ |
| 211 | } |
| 212 | if (p == q && flags & ASN1_STRFLGS_ESC_2253) orflags = CHARTYPE_LAST_ESC_2253; |
| 213 | if(type & BUF_TYPE_CONVUTF8) { |
| 214 | unsigned char utfbuf[6]; |
| 215 | int utflen; |
| 216 | utflen = UTF8_putc(utfbuf, sizeof utfbuf, c); |
| 217 | for(i = 0; i < utflen; i++) { |
| 218 | /* We don't need to worry about setting orflags correctly |
| 219 | * because if utflen==1 its value will be correct anyway |
| 220 | * otherwise each character will be > 0x7f and so the |
| 221 | * character will never be escaped on first and last. |
| 222 | */ |
| 223 | len = do_esc_char(utfbuf[i], (unsigned char)(flags | orflags), quotes, io_ch, arg); |
| 224 | if(len < 0) return -1; |
| 225 | outlen += len; |
| 226 | } |
| 227 | } else { |
| 228 | len = do_esc_char(c, (unsigned char)(flags | orflags), quotes, io_ch, arg); |
| 229 | if(len < 0) return -1; |
| 230 | outlen += len; |
| 231 | } |
| 232 | } |
| 233 | return outlen; |
| 234 | } |
| 235 | |
| 236 | /* This function hex dumps a buffer of characters */ |
| 237 | |
| 238 | static int do_hex_dump(char_io *io_ch, void *arg, unsigned char *buf, int buflen) |
| 239 | { |
| 240 | static const char hexdig[] = "0123456789ABCDEF"; |
| 241 | unsigned char *p, *q; |
| 242 | char hextmp[2]; |
| 243 | if(arg) { |
| 244 | p = buf; |
| 245 | q = buf + buflen; |
| 246 | while(p != q) { |
| 247 | hextmp[0] = hexdig[*p >> 4]; |
| 248 | hextmp[1] = hexdig[*p & 0xf]; |
| 249 | if(!io_ch(arg, hextmp, 2)) return -1; |
| 250 | p++; |
| 251 | } |
| 252 | } |
| 253 | return buflen << 1; |
| 254 | } |
| 255 | |
| 256 | /* "dump" a string. This is done when the type is unknown, |
| 257 | * or the flags request it. We can either dump the content |
| 258 | * octets or the entire DER encoding. This uses the RFC2253 |
| 259 | * #01234 format. |
| 260 | */ |
| 261 | |
| 262 | static int do_dump(unsigned long lflags, char_io *io_ch, void *arg, ASN1_STRING *str) |
| 263 | { |
| 264 | /* Placing the ASN1_STRING in a temp ASN1_TYPE allows |
| 265 | * the DER encoding to readily obtained |
| 266 | */ |
| 267 | ASN1_TYPE t; |
| 268 | unsigned char *der_buf, *p; |
| 269 | int outlen, der_len; |
| 270 | |
| 271 | if(!io_ch(arg, "#", 1)) return -1; |
| 272 | /* If we don't dump DER encoding just dump content octets */ |
| 273 | if(!(lflags & ASN1_STRFLGS_DUMP_DER)) { |
| 274 | outlen = do_hex_dump(io_ch, arg, str->data, str->length); |
| 275 | if(outlen < 0) return -1; |
| 276 | return outlen + 1; |
| 277 | } |
| 278 | t.type = str->type; |
| 279 | t.value.ptr = (char *)str; |
| 280 | der_len = i2d_ASN1_TYPE(&t, NULL); |
| 281 | der_buf = OPENSSL_malloc(der_len); |
| 282 | if(!der_buf) return -1; |
| 283 | p = der_buf; |
| 284 | i2d_ASN1_TYPE(&t, &p); |
| 285 | outlen = do_hex_dump(io_ch, arg, der_buf, der_len); |
| 286 | OPENSSL_free(der_buf); |
| 287 | if(outlen < 0) return -1; |
| 288 | return outlen + 1; |
| 289 | } |
| 290 | |
| 291 | /* Lookup table to convert tags to character widths, |
| 292 | * 0 = UTF8 encoded, -1 is used for non string types |
| 293 | * otherwise it is the number of bytes per character |
| 294 | */ |
| 295 | |
| 296 | static const signed char tag2nbyte[] = { |
| 297 | -1, -1, -1, -1, -1, /* 0-4 */ |
| 298 | -1, -1, -1, -1, -1, /* 5-9 */ |
| 299 | -1, -1, 0, -1, /* 10-13 */ |
| 300 | -1, -1, -1, -1, /* 15-17 */ |
| 301 | -1, 1, 1, /* 18-20 */ |
| 302 | -1, 1, 1, 1, /* 21-24 */ |
| 303 | -1, 1, -1, /* 25-27 */ |
| 304 | 4, -1, 2 /* 28-30 */ |
| 305 | }; |
| 306 | |
| 307 | /* This is the main function, print out an |
| 308 | * ASN1_STRING taking note of various escape |
| 309 | * and display options. Returns number of |
| 310 | * characters written or -1 if an error |
| 311 | * occurred. |
| 312 | */ |
| 313 | |
| 314 | static int do_print_ex(char_io *io_ch, void *arg, unsigned long lflags, ASN1_STRING *str) |
| 315 | { |
| 316 | int outlen, len; |
| 317 | int type; |
| 318 | char quotes; |
| 319 | unsigned char flags; |
| 320 | quotes = 0; |
| 321 | /* Keep a copy of escape flags */ |
| 322 | flags = (unsigned char)(lflags & ESC_FLAGS); |
| 323 | |
| 324 | type = str->type; |
| 325 | |
| 326 | outlen = 0; |
| 327 | |
| 328 | |
| 329 | if(lflags & ASN1_STRFLGS_SHOW_TYPE) { |
| 330 | const char *tagname; |
| 331 | tagname = ASN1_tag2str(type); |
| 332 | outlen += strlen(tagname); |
| 333 | if(!io_ch(arg, tagname, outlen) || !io_ch(arg, ":", 1)) return -1; |
| 334 | outlen++; |
| 335 | } |
| 336 | |
| 337 | /* Decide what to do with type, either dump content or display it */ |
| 338 | |
| 339 | /* Dump everything */ |
| 340 | if(lflags & ASN1_STRFLGS_DUMP_ALL) type = -1; |
| 341 | /* Ignore the string type */ |
| 342 | else if(lflags & ASN1_STRFLGS_IGNORE_TYPE) type = 1; |
| 343 | else { |
| 344 | /* Else determine width based on type */ |
| 345 | if((type > 0) && (type < 31)) type = tag2nbyte[type]; |
| 346 | else type = -1; |
| 347 | if((type == -1) && !(lflags & ASN1_STRFLGS_DUMP_UNKNOWN)) type = 1; |
| 348 | } |
| 349 | |
| 350 | if(type == -1) { |
| 351 | len = do_dump(lflags, io_ch, arg, str); |
| 352 | if(len < 0) return -1; |
| 353 | outlen += len; |
| 354 | return outlen; |
| 355 | } |
| 356 | |
| 357 | if(lflags & ASN1_STRFLGS_UTF8_CONVERT) { |
| 358 | /* Note: if string is UTF8 and we want |
| 359 | * to convert to UTF8 then we just interpret |
| 360 | * it as 1 byte per character to avoid converting |
| 361 | * twice. |
| 362 | */ |
| 363 | if(!type) type = 1; |
| 364 | else type |= BUF_TYPE_CONVUTF8; |
| 365 | } |
| 366 | |
| 367 | len = do_buf(str->data, str->length, type, flags, "es, io_ch, NULL); |
| 368 | if(len < 0) return -1; |
| 369 | outlen += len; |
| 370 | if(quotes) outlen += 2; |
| 371 | if(!arg) return outlen; |
| 372 | if(quotes && !io_ch(arg, "\"", 1)) return -1; |
| 373 | if(do_buf(str->data, str->length, type, flags, NULL, io_ch, arg) < 0) |
| 374 | return -1; |
| 375 | if(quotes && !io_ch(arg, "\"", 1)) return -1; |
| 376 | return outlen; |
| 377 | } |
| 378 | |
| 379 | /* Used for line indenting: print 'indent' spaces */ |
| 380 | |
| 381 | static int do_indent(char_io *io_ch, void *arg, int indent) |
| 382 | { |
| 383 | int i; |
| 384 | for(i = 0; i < indent; i++) |
| 385 | if(!io_ch(arg, " ", 1)) return 0; |
| 386 | return 1; |
| 387 | } |
| 388 | |
| 389 | #define FN_WIDTH_LN 25 |
| 390 | #define FN_WIDTH_SN 10 |
| 391 | |
| 392 | static int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n, |
| 393 | int indent, unsigned long flags) |
| 394 | { |
| 395 | int i, prev = -1, orflags, cnt; |
| 396 | int fn_opt, fn_nid; |
| 397 | ASN1_OBJECT *fn; |
| 398 | ASN1_STRING *val; |
| 399 | X509_NAME_ENTRY *ent; |
| 400 | char objtmp[80]; |
| 401 | const char *objbuf; |
| 402 | int outlen, len; |
| 403 | char *sep_dn, *sep_mv, *sep_eq; |
| 404 | int sep_dn_len, sep_mv_len, sep_eq_len; |
| 405 | if(indent < 0) indent = 0; |
| 406 | outlen = indent; |
| 407 | if(!do_indent(io_ch, arg, indent)) return -1; |
| 408 | switch (flags & XN_FLAG_SEP_MASK) |
| 409 | { |
| 410 | case XN_FLAG_SEP_MULTILINE: |
| 411 | sep_dn = "\n"; |
| 412 | sep_dn_len = 1; |
| 413 | sep_mv = " + "; |
| 414 | sep_mv_len = 3; |
| 415 | break; |
| 416 | |
| 417 | case XN_FLAG_SEP_COMMA_PLUS: |
| 418 | sep_dn = ","; |
| 419 | sep_dn_len = 1; |
| 420 | sep_mv = "+"; |
| 421 | sep_mv_len = 1; |
| 422 | indent = 0; |
| 423 | break; |
| 424 | |
| 425 | case XN_FLAG_SEP_CPLUS_SPC: |
| 426 | sep_dn = ", "; |
| 427 | sep_dn_len = 2; |
| 428 | sep_mv = " + "; |
| 429 | sep_mv_len = 3; |
| 430 | indent = 0; |
| 431 | break; |
| 432 | |
| 433 | case XN_FLAG_SEP_SPLUS_SPC: |
| 434 | sep_dn = "; "; |
| 435 | sep_dn_len = 2; |
| 436 | sep_mv = " + "; |
| 437 | sep_mv_len = 3; |
| 438 | indent = 0; |
| 439 | break; |
| 440 | |
| 441 | default: |
| 442 | return -1; |
| 443 | } |
| 444 | |
| 445 | if(flags & XN_FLAG_SPC_EQ) { |
| 446 | sep_eq = " = "; |
| 447 | sep_eq_len = 3; |
| 448 | } else { |
| 449 | sep_eq = "="; |
| 450 | sep_eq_len = 1; |
| 451 | } |
| 452 | |
| 453 | fn_opt = flags & XN_FLAG_FN_MASK; |
| 454 | |
| 455 | cnt = X509_NAME_entry_count(n); |
| 456 | for(i = 0; i < cnt; i++) { |
| 457 | if(flags & XN_FLAG_DN_REV) |
| 458 | ent = X509_NAME_get_entry(n, cnt - i - 1); |
| 459 | else ent = X509_NAME_get_entry(n, i); |
| 460 | if(prev != -1) { |
| 461 | if(prev == ent->set) { |
| 462 | if(!io_ch(arg, sep_mv, sep_mv_len)) return -1; |
| 463 | outlen += sep_mv_len; |
| 464 | } else { |
| 465 | if(!io_ch(arg, sep_dn, sep_dn_len)) return -1; |
| 466 | outlen += sep_dn_len; |
| 467 | if(!do_indent(io_ch, arg, indent)) return -1; |
| 468 | outlen += indent; |
| 469 | } |
| 470 | } |
| 471 | prev = ent->set; |
| 472 | fn = X509_NAME_ENTRY_get_object(ent); |
| 473 | val = X509_NAME_ENTRY_get_data(ent); |
| 474 | fn_nid = OBJ_obj2nid(fn); |
| 475 | if(fn_opt != XN_FLAG_FN_NONE) { |
| 476 | int objlen, fld_len; |
| 477 | if((fn_opt == XN_FLAG_FN_OID) || (fn_nid==NID_undef) ) { |
| 478 | OBJ_obj2txt(objtmp, sizeof objtmp, fn, 1); |
| 479 | fld_len = 0; /* XXX: what should this be? */ |
| 480 | objbuf = objtmp; |
| 481 | } else { |
| 482 | if(fn_opt == XN_FLAG_FN_SN) { |
| 483 | fld_len = FN_WIDTH_SN; |
| 484 | objbuf = OBJ_nid2sn(fn_nid); |
| 485 | } else if(fn_opt == XN_FLAG_FN_LN) { |
| 486 | fld_len = FN_WIDTH_LN; |
| 487 | objbuf = OBJ_nid2ln(fn_nid); |
| 488 | } else { |
| 489 | fld_len = 0; /* XXX: what should this be? */ |
| 490 | objbuf = ""; |
| 491 | } |
| 492 | } |
| 493 | objlen = strlen(objbuf); |
| 494 | if(!io_ch(arg, objbuf, objlen)) return -1; |
| 495 | if ((objlen < fld_len) && (flags & XN_FLAG_FN_ALIGN)) { |
| 496 | if (!do_indent(io_ch, arg, fld_len - objlen)) return -1; |
| 497 | outlen += fld_len - objlen; |
| 498 | } |
| 499 | if(!io_ch(arg, sep_eq, sep_eq_len)) return -1; |
| 500 | outlen += objlen + sep_eq_len; |
| 501 | } |
| 502 | /* If the field name is unknown then fix up the DER dump |
| 503 | * flag. We might want to limit this further so it will |
| 504 | * DER dump on anything other than a few 'standard' fields. |
| 505 | */ |
| 506 | if((fn_nid == NID_undef) && (flags & XN_FLAG_DUMP_UNKNOWN_FIELDS)) |
| 507 | orflags = ASN1_STRFLGS_DUMP_ALL; |
| 508 | else orflags = 0; |
| 509 | |
| 510 | len = do_print_ex(io_ch, arg, flags | orflags, val); |
| 511 | if(len < 0) return -1; |
| 512 | outlen += len; |
| 513 | } |
| 514 | return outlen; |
| 515 | } |
| 516 | |
| 517 | /* Wrappers round the main functions */ |
| 518 | |
| 519 | int X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent, unsigned long flags) |
| 520 | { |
| 521 | if(flags == XN_FLAG_COMPAT) |
| 522 | return X509_NAME_print(out, nm, indent); |
| 523 | return do_name_ex(send_bio_chars, out, nm, indent, flags); |
| 524 | } |
| 525 | |
| 526 | #ifndef OPENSSL_NO_FP_API |
| 527 | int X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, unsigned long flags) |
| 528 | { |
| 529 | if(flags == XN_FLAG_COMPAT) |
| 530 | { |
| 531 | BIO *btmp; |
| 532 | int ret; |
| 533 | btmp = BIO_new_fp(fp, BIO_NOCLOSE); |
| 534 | if(!btmp) return -1; |
| 535 | ret = X509_NAME_print(btmp, nm, indent); |
| 536 | BIO_free(btmp); |
| 537 | return ret; |
| 538 | } |
| 539 | return do_name_ex(send_fp_chars, fp, nm, indent, flags); |
| 540 | } |
| 541 | #endif |
| 542 | |
| 543 | int ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags) |
| 544 | { |
| 545 | return do_print_ex(send_bio_chars, out, flags, str); |
| 546 | } |
| 547 | |
| 548 | #ifndef OPENSSL_NO_FP_API |
| 549 | int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags) |
| 550 | { |
| 551 | return do_print_ex(send_fp_chars, fp, flags, str); |
| 552 | } |
| 553 | #endif |
| 554 | |
| 555 | /* Utility function: convert any string type to UTF8, returns number of bytes |
| 556 | * in output string or a negative error code |
| 557 | */ |
| 558 | |
| 559 | int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in) |
| 560 | { |
| 561 | ASN1_STRING stmp, *str = &stmp; |
| 562 | int mbflag, type, ret; |
| 563 | if(!in) return -1; |
| 564 | type = in->type; |
| 565 | if((type < 0) || (type > 30)) return -1; |
| 566 | mbflag = tag2nbyte[type]; |
| 567 | if(mbflag == -1) return -1; |
| 568 | mbflag |= MBSTRING_FLAG; |
| 569 | stmp.data = NULL; |
| 570 | ret = ASN1_mbstring_copy(&str, in->data, in->length, mbflag, B_ASN1_UTF8STRING); |
| 571 | if(ret < 0) return ret; |
| 572 | *out = stmp.data; |
| 573 | return stmp.length; |
| 574 | } |