a_strex.c revision 331638
168651Skris/* a_strex.c */ 2280297Sjkim/* 3280297Sjkim * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4280297Sjkim * 2000. 568651Skris */ 668651Skris/* ==================================================================== 7160814Ssimon * Copyright (c) 2000 The OpenSSL Project. All rights reserved. 868651Skris * 968651Skris * Redistribution and use in source and binary forms, with or without 1068651Skris * modification, are permitted provided that the following conditions 1168651Skris * are met: 1268651Skris * 1368651Skris * 1. Redistributions of source code must retain the above copyright 14280297Sjkim * notice, this list of conditions and the following disclaimer. 1568651Skris * 1668651Skris * 2. Redistributions in binary form must reproduce the above copyright 1768651Skris * notice, this list of conditions and the following disclaimer in 1868651Skris * the documentation and/or other materials provided with the 1968651Skris * distribution. 2068651Skris * 2168651Skris * 3. All advertising materials mentioning features or use of this 2268651Skris * software must display the following acknowledgment: 2368651Skris * "This product includes software developed by the OpenSSL Project 2468651Skris * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 2568651Skris * 2668651Skris * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 2768651Skris * endorse or promote products derived from this software without 2868651Skris * prior written permission. For written permission, please contact 2968651Skris * licensing@OpenSSL.org. 3068651Skris * 3168651Skris * 5. Products derived from this software may not be called "OpenSSL" 3268651Skris * nor may "OpenSSL" appear in their names without prior written 3368651Skris * permission of the OpenSSL Project. 3468651Skris * 3568651Skris * 6. Redistributions of any form whatsoever must retain the following 3668651Skris * acknowledgment: 3768651Skris * "This product includes software developed by the OpenSSL Project 3868651Skris * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 3968651Skris * 4068651Skris * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 4168651Skris * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4268651Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 4368651Skris * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 4468651Skris * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 4568651Skris * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 4668651Skris * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 4768651Skris * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4868651Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 4968651Skris * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 5068651Skris * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 5168651Skris * OF THE POSSIBILITY OF SUCH DAMAGE. 5268651Skris * ==================================================================== 5368651Skris * 5468651Skris * This product includes cryptographic software written by Eric Young 5568651Skris * (eay@cryptsoft.com). This product includes software written by Tim 5668651Skris * Hudson (tjh@cryptsoft.com). 5768651Skris * 5868651Skris */ 5968651Skris 6068651Skris#include <stdio.h> 6168651Skris#include <string.h> 62160814Ssimon#include "cryptlib.h" 6368651Skris#include <openssl/crypto.h> 6468651Skris#include <openssl/x509.h> 6568651Skris#include <openssl/asn1.h> 6668651Skris 6768651Skris#include "charmap.h" 6868651Skris 69280297Sjkim/* 70280297Sjkim * ASN1_STRING_print_ex() and X509_NAME_print_ex(). Enhanced string and name 71280297Sjkim * printing routines handling multibyte characters, RFC2253 and a host of 72280297Sjkim * other options. 7368651Skris */ 7468651Skris 75280297Sjkim#define CHARTYPE_BS_ESC (ASN1_STRFLGS_ESC_2253 | CHARTYPE_FIRST_ESC_2253 | CHARTYPE_LAST_ESC_2253) 7668651Skris 77237657Sjkim#define ESC_FLAGS (ASN1_STRFLGS_ESC_2253 | \ 78280297Sjkim ASN1_STRFLGS_ESC_QUOTE | \ 79280297Sjkim ASN1_STRFLGS_ESC_CTRL | \ 80280297Sjkim ASN1_STRFLGS_ESC_MSB) 8168651Skris 82280297Sjkim/* 83280297Sjkim * Three IO functions for sending data to memory, a BIO and and a FILE 84280297Sjkim * pointer. 8568651Skris */ 86280297Sjkim#if 0 /* never used */ 87109998Smarkmstatic int send_mem_chars(void *arg, const void *buf, int len) 8868651Skris{ 89280297Sjkim unsigned char **out = arg; 90280297Sjkim if (!out) 91280297Sjkim return 1; 92280297Sjkim memcpy(*out, buf, len); 93280297Sjkim *out += len; 94280297Sjkim return 1; 9568651Skris} 96109998Smarkm#endif 9768651Skris 98109998Smarkmstatic int send_bio_chars(void *arg, const void *buf, int len) 9968651Skris{ 100280297Sjkim if (!arg) 101280297Sjkim return 1; 102280297Sjkim if (BIO_write(arg, buf, len) != len) 103280297Sjkim return 0; 104280297Sjkim return 1; 10568651Skris} 10668651Skris 107109998Smarkmstatic int send_fp_chars(void *arg, const void *buf, int len) 10868651Skris{ 109280297Sjkim if (!arg) 110280297Sjkim return 1; 111280297Sjkim if (fwrite(buf, 1, len, arg) != (unsigned int)len) 112280297Sjkim return 0; 113280297Sjkim return 1; 11468651Skris} 11568651Skris 116280297Sjkimtypedef int char_io (void *arg, const void *buf, int len); 11768651Skris 118280297Sjkim/* 119280297Sjkim * This function handles display of strings, one character at a time. It is 120280297Sjkim * passed an unsigned long for each character because it could come from 2 or 121280297Sjkim * even 4 byte forms. 12268651Skris */ 12368651Skris 124280297Sjkimstatic int do_esc_char(unsigned long c, unsigned char flags, char *do_quotes, 125280297Sjkim char_io *io_ch, void *arg) 12668651Skris{ 127280297Sjkim unsigned char chflgs, chtmp; 128280297Sjkim char tmphex[HEX_SIZE(long) + 3]; 129109998Smarkm 130280297Sjkim if (c > 0xffffffffL) 131280297Sjkim return -1; 132280297Sjkim if (c > 0xffff) { 133331638Sjkim BIO_snprintf(tmphex, sizeof(tmphex), "\\W%08lX", c); 134280297Sjkim if (!io_ch(arg, tmphex, 10)) 135280297Sjkim return -1; 136280297Sjkim return 10; 137280297Sjkim } 138280297Sjkim if (c > 0xff) { 139331638Sjkim BIO_snprintf(tmphex, sizeof(tmphex), "\\U%04lX", c); 140280297Sjkim if (!io_ch(arg, tmphex, 6)) 141280297Sjkim return -1; 142280297Sjkim return 6; 143280297Sjkim } 144280297Sjkim chtmp = (unsigned char)c; 145280297Sjkim if (chtmp > 0x7f) 146280297Sjkim chflgs = flags & ASN1_STRFLGS_ESC_MSB; 147280297Sjkim else 148280297Sjkim chflgs = char_type[chtmp] & flags; 149280297Sjkim if (chflgs & CHARTYPE_BS_ESC) { 150280297Sjkim /* If we don't escape with quotes, signal we need quotes */ 151280297Sjkim if (chflgs & ASN1_STRFLGS_ESC_QUOTE) { 152280297Sjkim if (do_quotes) 153280297Sjkim *do_quotes = 1; 154280297Sjkim if (!io_ch(arg, &chtmp, 1)) 155280297Sjkim return -1; 156280297Sjkim return 1; 157280297Sjkim } 158280297Sjkim if (!io_ch(arg, "\\", 1)) 159280297Sjkim return -1; 160280297Sjkim if (!io_ch(arg, &chtmp, 1)) 161280297Sjkim return -1; 162280297Sjkim return 2; 163280297Sjkim } 164280297Sjkim if (chflgs & (ASN1_STRFLGS_ESC_CTRL | ASN1_STRFLGS_ESC_MSB)) { 165280297Sjkim BIO_snprintf(tmphex, 11, "\\%02X", chtmp); 166280297Sjkim if (!io_ch(arg, tmphex, 3)) 167280297Sjkim return -1; 168280297Sjkim return 3; 169280297Sjkim } 170280297Sjkim /* 171280297Sjkim * If we get this far and do any escaping at all must escape the escape 172280297Sjkim * character itself: backslash. 173280297Sjkim */ 174280297Sjkim if (chtmp == '\\' && flags & ESC_FLAGS) { 175280297Sjkim if (!io_ch(arg, "\\\\", 2)) 176280297Sjkim return -1; 177280297Sjkim return 2; 178280297Sjkim } 179280297Sjkim if (!io_ch(arg, &chtmp, 1)) 180280297Sjkim return -1; 181280297Sjkim return 1; 18268651Skris} 18368651Skris 184280297Sjkim#define BUF_TYPE_WIDTH_MASK 0x7 185280297Sjkim#define BUF_TYPE_CONVUTF8 0x8 18668651Skris 187280297Sjkim/* 188280297Sjkim * This function sends each character in a buffer to do_esc_char(). It 189280297Sjkim * interprets the content formats and converts to or from UTF8 as 190280297Sjkim * appropriate. 19168651Skris */ 19268651Skris 19368651Skrisstatic int do_buf(unsigned char *buf, int buflen, 194280297Sjkim int type, unsigned char flags, char *quotes, char_io *io_ch, 195280297Sjkim void *arg) 19668651Skris{ 197280297Sjkim int i, outlen, len; 198280297Sjkim unsigned char orflags, *p, *q; 199280297Sjkim unsigned long c; 200280297Sjkim p = buf; 201280297Sjkim q = buf + buflen; 202280297Sjkim outlen = 0; 203280297Sjkim while (p != q) { 204280297Sjkim if (p == buf && flags & ASN1_STRFLGS_ESC_2253) 205280297Sjkim orflags = CHARTYPE_FIRST_ESC_2253; 206280297Sjkim else 207280297Sjkim orflags = 0; 208280297Sjkim switch (type & BUF_TYPE_WIDTH_MASK) { 209280297Sjkim case 4: 210280297Sjkim c = ((unsigned long)*p++) << 24; 211280297Sjkim c |= ((unsigned long)*p++) << 16; 212280297Sjkim c |= ((unsigned long)*p++) << 8; 213280297Sjkim c |= *p++; 214280297Sjkim break; 21568651Skris 216280297Sjkim case 2: 217280297Sjkim c = ((unsigned long)*p++) << 8; 218280297Sjkim c |= *p++; 219280297Sjkim break; 22068651Skris 221280297Sjkim case 1: 222280297Sjkim c = *p++; 223280297Sjkim break; 224280297Sjkim 225280297Sjkim case 0: 226280297Sjkim i = UTF8_getc(p, buflen, &c); 227280297Sjkim if (i < 0) 228280297Sjkim return -1; /* Invalid UTF8String */ 229280297Sjkim p += i; 230280297Sjkim break; 231280297Sjkim default: 232280297Sjkim return -1; /* invalid width */ 233280297Sjkim } 234280297Sjkim if (p == q && flags & ASN1_STRFLGS_ESC_2253) 235280297Sjkim orflags = CHARTYPE_LAST_ESC_2253; 236280297Sjkim if (type & BUF_TYPE_CONVUTF8) { 237280297Sjkim unsigned char utfbuf[6]; 238280297Sjkim int utflen; 239331638Sjkim utflen = UTF8_putc(utfbuf, sizeof(utfbuf), c); 240280297Sjkim for (i = 0; i < utflen; i++) { 241280297Sjkim /* 242280297Sjkim * We don't need to worry about setting orflags correctly 243280297Sjkim * because if utflen==1 its value will be correct anyway 244280297Sjkim * otherwise each character will be > 0x7f and so the 245280297Sjkim * character will never be escaped on first and last. 246280297Sjkim */ 247280297Sjkim len = 248280297Sjkim do_esc_char(utfbuf[i], (unsigned char)(flags | orflags), 249280297Sjkim quotes, io_ch, arg); 250280297Sjkim if (len < 0) 251280297Sjkim return -1; 252280297Sjkim outlen += len; 253280297Sjkim } 254280297Sjkim } else { 255280297Sjkim len = 256280297Sjkim do_esc_char(c, (unsigned char)(flags | orflags), quotes, 257280297Sjkim io_ch, arg); 258280297Sjkim if (len < 0) 259280297Sjkim return -1; 260280297Sjkim outlen += len; 261280297Sjkim } 262280297Sjkim } 263280297Sjkim return outlen; 26468651Skris} 26568651Skris 26668651Skris/* This function hex dumps a buffer of characters */ 26768651Skris 268280297Sjkimstatic int do_hex_dump(char_io *io_ch, void *arg, unsigned char *buf, 269280297Sjkim int buflen) 27068651Skris{ 271280297Sjkim static const char hexdig[] = "0123456789ABCDEF"; 272280297Sjkim unsigned char *p, *q; 273280297Sjkim char hextmp[2]; 274280297Sjkim if (arg) { 275280297Sjkim p = buf; 276280297Sjkim q = buf + buflen; 277280297Sjkim while (p != q) { 278280297Sjkim hextmp[0] = hexdig[*p >> 4]; 279280297Sjkim hextmp[1] = hexdig[*p & 0xf]; 280280297Sjkim if (!io_ch(arg, hextmp, 2)) 281280297Sjkim return -1; 282280297Sjkim p++; 283280297Sjkim } 284280297Sjkim } 285280297Sjkim return buflen << 1; 28668651Skris} 28768651Skris 288280297Sjkim/* 289280297Sjkim * "dump" a string. This is done when the type is unknown, or the flags 290280297Sjkim * request it. We can either dump the content octets or the entire DER 291280297Sjkim * encoding. This uses the RFC2253 #01234 format. 29268651Skris */ 29368651Skris 294280297Sjkimstatic int do_dump(unsigned long lflags, char_io *io_ch, void *arg, 295280297Sjkim ASN1_STRING *str) 29668651Skris{ 297280297Sjkim /* 298280297Sjkim * Placing the ASN1_STRING in a temp ASN1_TYPE allows the DER encoding to 299280297Sjkim * readily obtained 300280297Sjkim */ 301280297Sjkim ASN1_TYPE t; 302280297Sjkim unsigned char *der_buf, *p; 303280297Sjkim int outlen, der_len; 30468651Skris 305280297Sjkim if (!io_ch(arg, "#", 1)) 306280297Sjkim return -1; 307280297Sjkim /* If we don't dump DER encoding just dump content octets */ 308280297Sjkim if (!(lflags & ASN1_STRFLGS_DUMP_DER)) { 309280297Sjkim outlen = do_hex_dump(io_ch, arg, str->data, str->length); 310280297Sjkim if (outlen < 0) 311280297Sjkim return -1; 312280297Sjkim return outlen + 1; 313280297Sjkim } 314280297Sjkim t.type = str->type; 315280297Sjkim t.value.ptr = (char *)str; 316280297Sjkim der_len = i2d_ASN1_TYPE(&t, NULL); 317280297Sjkim der_buf = OPENSSL_malloc(der_len); 318280297Sjkim if (!der_buf) 319280297Sjkim return -1; 320280297Sjkim p = der_buf; 321280297Sjkim i2d_ASN1_TYPE(&t, &p); 322280297Sjkim outlen = do_hex_dump(io_ch, arg, der_buf, der_len); 323280297Sjkim OPENSSL_free(der_buf); 324280297Sjkim if (outlen < 0) 325280297Sjkim return -1; 326280297Sjkim return outlen + 1; 32768651Skris} 32868651Skris 329280297Sjkim/* 330280297Sjkim * Lookup table to convert tags to character widths, 0 = UTF8 encoded, -1 is 331280297Sjkim * used for non string types otherwise it is the number of bytes per 332280297Sjkim * character 33368651Skris */ 33468651Skris 335160814Ssimonstatic const signed char tag2nbyte[] = { 336280297Sjkim -1, -1, -1, -1, -1, /* 0-4 */ 337280297Sjkim -1, -1, -1, -1, -1, /* 5-9 */ 338280297Sjkim -1, -1, 0, -1, /* 10-13 */ 339280297Sjkim -1, -1, -1, -1, /* 15-17 */ 340306195Sjkim 1, 1, 1, /* 18-20 */ 341280297Sjkim -1, 1, 1, 1, /* 21-24 */ 342280297Sjkim -1, 1, -1, /* 25-27 */ 343280297Sjkim 4, -1, 2 /* 28-30 */ 34468651Skris}; 34568651Skris 346280297Sjkim/* 347280297Sjkim * This is the main function, print out an ASN1_STRING taking note of various 348280297Sjkim * escape and display options. Returns number of characters written or -1 if 349280297Sjkim * an error occurred. 35068651Skris */ 35168651Skris 352280297Sjkimstatic int do_print_ex(char_io *io_ch, void *arg, unsigned long lflags, 353280297Sjkim ASN1_STRING *str) 35468651Skris{ 355280297Sjkim int outlen, len; 356280297Sjkim int type; 357280297Sjkim char quotes; 358280297Sjkim unsigned char flags; 359280297Sjkim quotes = 0; 360280297Sjkim /* Keep a copy of escape flags */ 361280297Sjkim flags = (unsigned char)(lflags & ESC_FLAGS); 36268651Skris 363280297Sjkim type = str->type; 36468651Skris 365280297Sjkim outlen = 0; 36668651Skris 367280297Sjkim if (lflags & ASN1_STRFLGS_SHOW_TYPE) { 368280297Sjkim const char *tagname; 369280297Sjkim tagname = ASN1_tag2str(type); 370280297Sjkim outlen += strlen(tagname); 371280297Sjkim if (!io_ch(arg, tagname, outlen) || !io_ch(arg, ":", 1)) 372280297Sjkim return -1; 373280297Sjkim outlen++; 374280297Sjkim } 37568651Skris 376280297Sjkim /* Decide what to do with type, either dump content or display it */ 37768651Skris 378280297Sjkim /* Dump everything */ 379280297Sjkim if (lflags & ASN1_STRFLGS_DUMP_ALL) 380280297Sjkim type = -1; 381280297Sjkim /* Ignore the string type */ 382280297Sjkim else if (lflags & ASN1_STRFLGS_IGNORE_TYPE) 383280297Sjkim type = 1; 384280297Sjkim else { 385280297Sjkim /* Else determine width based on type */ 386280297Sjkim if ((type > 0) && (type < 31)) 387280297Sjkim type = tag2nbyte[type]; 388280297Sjkim else 389280297Sjkim type = -1; 390280297Sjkim if ((type == -1) && !(lflags & ASN1_STRFLGS_DUMP_UNKNOWN)) 391280297Sjkim type = 1; 392280297Sjkim } 39368651Skris 394280297Sjkim if (type == -1) { 395280297Sjkim len = do_dump(lflags, io_ch, arg, str); 396280297Sjkim if (len < 0) 397280297Sjkim return -1; 398280297Sjkim outlen += len; 399280297Sjkim return outlen; 400280297Sjkim } 40168651Skris 402280297Sjkim if (lflags & ASN1_STRFLGS_UTF8_CONVERT) { 403280297Sjkim /* 404280297Sjkim * Note: if string is UTF8 and we want to convert to UTF8 then we 405280297Sjkim * just interpret it as 1 byte per character to avoid converting 406280297Sjkim * twice. 407280297Sjkim */ 408280297Sjkim if (!type) 409280297Sjkim type = 1; 410280297Sjkim else 411280297Sjkim type |= BUF_TYPE_CONVUTF8; 412280297Sjkim } 41368651Skris 414280297Sjkim len = do_buf(str->data, str->length, type, flags, "es, io_ch, NULL); 415280297Sjkim if (len < 0) 416280297Sjkim return -1; 417280297Sjkim outlen += len; 418280297Sjkim if (quotes) 419280297Sjkim outlen += 2; 420280297Sjkim if (!arg) 421280297Sjkim return outlen; 422280297Sjkim if (quotes && !io_ch(arg, "\"", 1)) 423280297Sjkim return -1; 424280297Sjkim if (do_buf(str->data, str->length, type, flags, NULL, io_ch, arg) < 0) 425280297Sjkim return -1; 426280297Sjkim if (quotes && !io_ch(arg, "\"", 1)) 427280297Sjkim return -1; 428280297Sjkim return outlen; 42968651Skris} 43068651Skris 43168651Skris/* Used for line indenting: print 'indent' spaces */ 43268651Skris 43368651Skrisstatic int do_indent(char_io *io_ch, void *arg, int indent) 43468651Skris{ 435280297Sjkim int i; 436280297Sjkim for (i = 0; i < indent; i++) 437280297Sjkim if (!io_ch(arg, " ", 1)) 438280297Sjkim return 0; 439280297Sjkim return 1; 44068651Skris} 44168651Skris 442280297Sjkim#define FN_WIDTH_LN 25 443280297Sjkim#define FN_WIDTH_SN 10 44468651Skris 44568651Skrisstatic int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n, 446280297Sjkim int indent, unsigned long flags) 44768651Skris{ 448280297Sjkim int i, prev = -1, orflags, cnt; 449280297Sjkim int fn_opt, fn_nid; 450280297Sjkim ASN1_OBJECT *fn; 451280297Sjkim ASN1_STRING *val; 452280297Sjkim X509_NAME_ENTRY *ent; 453280297Sjkim char objtmp[80]; 454280297Sjkim const char *objbuf; 455280297Sjkim int outlen, len; 456280297Sjkim char *sep_dn, *sep_mv, *sep_eq; 457280297Sjkim int sep_dn_len, sep_mv_len, sep_eq_len; 458280297Sjkim if (indent < 0) 459280297Sjkim indent = 0; 460280297Sjkim outlen = indent; 461280297Sjkim if (!do_indent(io_ch, arg, indent)) 462280297Sjkim return -1; 463280297Sjkim switch (flags & XN_FLAG_SEP_MASK) { 464280297Sjkim case XN_FLAG_SEP_MULTILINE: 465280297Sjkim sep_dn = "\n"; 466280297Sjkim sep_dn_len = 1; 467280297Sjkim sep_mv = " + "; 468280297Sjkim sep_mv_len = 3; 469280297Sjkim break; 47068651Skris 471280297Sjkim case XN_FLAG_SEP_COMMA_PLUS: 472280297Sjkim sep_dn = ","; 473280297Sjkim sep_dn_len = 1; 474280297Sjkim sep_mv = "+"; 475280297Sjkim sep_mv_len = 1; 476280297Sjkim indent = 0; 477280297Sjkim break; 47868651Skris 479280297Sjkim case XN_FLAG_SEP_CPLUS_SPC: 480280297Sjkim sep_dn = ", "; 481280297Sjkim sep_dn_len = 2; 482280297Sjkim sep_mv = " + "; 483280297Sjkim sep_mv_len = 3; 484280297Sjkim indent = 0; 485280297Sjkim break; 48668651Skris 487280297Sjkim case XN_FLAG_SEP_SPLUS_SPC: 488280297Sjkim sep_dn = "; "; 489280297Sjkim sep_dn_len = 2; 490280297Sjkim sep_mv = " + "; 491280297Sjkim sep_mv_len = 3; 492280297Sjkim indent = 0; 493280297Sjkim break; 49468651Skris 495280297Sjkim default: 496280297Sjkim return -1; 497280297Sjkim } 49868651Skris 499280297Sjkim if (flags & XN_FLAG_SPC_EQ) { 500280297Sjkim sep_eq = " = "; 501280297Sjkim sep_eq_len = 3; 502280297Sjkim } else { 503280297Sjkim sep_eq = "="; 504280297Sjkim sep_eq_len = 1; 505280297Sjkim } 50668651Skris 507280297Sjkim fn_opt = flags & XN_FLAG_FN_MASK; 50868651Skris 509280297Sjkim cnt = X509_NAME_entry_count(n); 510280297Sjkim for (i = 0; i < cnt; i++) { 511280297Sjkim if (flags & XN_FLAG_DN_REV) 512280297Sjkim ent = X509_NAME_get_entry(n, cnt - i - 1); 513280297Sjkim else 514280297Sjkim ent = X509_NAME_get_entry(n, i); 515280297Sjkim if (prev != -1) { 516280297Sjkim if (prev == ent->set) { 517280297Sjkim if (!io_ch(arg, sep_mv, sep_mv_len)) 518280297Sjkim return -1; 519280297Sjkim outlen += sep_mv_len; 520280297Sjkim } else { 521280297Sjkim if (!io_ch(arg, sep_dn, sep_dn_len)) 522280297Sjkim return -1; 523280297Sjkim outlen += sep_dn_len; 524280297Sjkim if (!do_indent(io_ch, arg, indent)) 525280297Sjkim return -1; 526280297Sjkim outlen += indent; 527280297Sjkim } 528280297Sjkim } 529280297Sjkim prev = ent->set; 530280297Sjkim fn = X509_NAME_ENTRY_get_object(ent); 531280297Sjkim val = X509_NAME_ENTRY_get_data(ent); 532280297Sjkim fn_nid = OBJ_obj2nid(fn); 533280297Sjkim if (fn_opt != XN_FLAG_FN_NONE) { 534280297Sjkim int objlen, fld_len; 535280297Sjkim if ((fn_opt == XN_FLAG_FN_OID) || (fn_nid == NID_undef)) { 536331638Sjkim OBJ_obj2txt(objtmp, sizeof(objtmp), fn, 1); 537280297Sjkim fld_len = 0; /* XXX: what should this be? */ 538280297Sjkim objbuf = objtmp; 539280297Sjkim } else { 540280297Sjkim if (fn_opt == XN_FLAG_FN_SN) { 541280297Sjkim fld_len = FN_WIDTH_SN; 542280297Sjkim objbuf = OBJ_nid2sn(fn_nid); 543280297Sjkim } else if (fn_opt == XN_FLAG_FN_LN) { 544280297Sjkim fld_len = FN_WIDTH_LN; 545280297Sjkim objbuf = OBJ_nid2ln(fn_nid); 546280297Sjkim } else { 547280297Sjkim fld_len = 0; /* XXX: what should this be? */ 548280297Sjkim objbuf = ""; 549280297Sjkim } 550280297Sjkim } 551280297Sjkim objlen = strlen(objbuf); 552280297Sjkim if (!io_ch(arg, objbuf, objlen)) 553280297Sjkim return -1; 554280297Sjkim if ((objlen < fld_len) && (flags & XN_FLAG_FN_ALIGN)) { 555280297Sjkim if (!do_indent(io_ch, arg, fld_len - objlen)) 556280297Sjkim return -1; 557280297Sjkim outlen += fld_len - objlen; 558280297Sjkim } 559280297Sjkim if (!io_ch(arg, sep_eq, sep_eq_len)) 560280297Sjkim return -1; 561280297Sjkim outlen += objlen + sep_eq_len; 562280297Sjkim } 563280297Sjkim /* 564280297Sjkim * If the field name is unknown then fix up the DER dump flag. We 565280297Sjkim * might want to limit this further so it will DER dump on anything 566280297Sjkim * other than a few 'standard' fields. 567280297Sjkim */ 568280297Sjkim if ((fn_nid == NID_undef) && (flags & XN_FLAG_DUMP_UNKNOWN_FIELDS)) 569280297Sjkim orflags = ASN1_STRFLGS_DUMP_ALL; 570280297Sjkim else 571280297Sjkim orflags = 0; 572280297Sjkim 573280297Sjkim len = do_print_ex(io_ch, arg, flags | orflags, val); 574280297Sjkim if (len < 0) 575280297Sjkim return -1; 576280297Sjkim outlen += len; 577280297Sjkim } 578280297Sjkim return outlen; 57968651Skris} 58068651Skris 58168651Skris/* Wrappers round the main functions */ 58268651Skris 583280297Sjkimint X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent, 584280297Sjkim unsigned long flags) 58568651Skris{ 586280297Sjkim if (flags == XN_FLAG_COMPAT) 587280297Sjkim return X509_NAME_print(out, nm, indent); 588280297Sjkim return do_name_ex(send_bio_chars, out, nm, indent, flags); 58968651Skris} 59068651Skris 591160814Ssimon#ifndef OPENSSL_NO_FP_API 592280297Sjkimint X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, 593280297Sjkim unsigned long flags) 59468651Skris{ 595280297Sjkim if (flags == XN_FLAG_COMPAT) { 596280297Sjkim BIO *btmp; 597280297Sjkim int ret; 598280297Sjkim btmp = BIO_new_fp(fp, BIO_NOCLOSE); 599280297Sjkim if (!btmp) 600280297Sjkim return -1; 601280297Sjkim ret = X509_NAME_print(btmp, nm, indent); 602280297Sjkim BIO_free(btmp); 603280297Sjkim return ret; 604280297Sjkim } 605280297Sjkim return do_name_ex(send_fp_chars, fp, nm, indent, flags); 60668651Skris} 607160814Ssimon#endif 60868651Skris 60968651Skrisint ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags) 61068651Skris{ 611280297Sjkim return do_print_ex(send_bio_chars, out, flags, str); 61268651Skris} 61368651Skris 614160814Ssimon#ifndef OPENSSL_NO_FP_API 61568651Skrisint ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags) 61668651Skris{ 617280297Sjkim return do_print_ex(send_fp_chars, fp, flags, str); 61868651Skris} 619160814Ssimon#endif 62068651Skris 621280297Sjkim/* 622280297Sjkim * Utility function: convert any string type to UTF8, returns number of bytes 62368651Skris * in output string or a negative error code 62468651Skris */ 62568651Skris 62668651Skrisint ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in) 62768651Skris{ 628280297Sjkim ASN1_STRING stmp, *str = &stmp; 629280297Sjkim int mbflag, type, ret; 630280297Sjkim if (!in) 631280297Sjkim return -1; 632280297Sjkim type = in->type; 633280297Sjkim if ((type < 0) || (type > 30)) 634280297Sjkim return -1; 635280297Sjkim mbflag = tag2nbyte[type]; 636280297Sjkim if (mbflag == -1) 637280297Sjkim return -1; 638280297Sjkim mbflag |= MBSTRING_FLAG; 639280297Sjkim stmp.data = NULL; 640280297Sjkim stmp.length = 0; 641280297Sjkim stmp.flags = 0; 642280297Sjkim ret = 643280297Sjkim ASN1_mbstring_copy(&str, in->data, in->length, mbflag, 644280297Sjkim B_ASN1_UTF8STRING); 645280297Sjkim if (ret < 0) 646280297Sjkim return ret; 647280297Sjkim *out = stmp.data; 648280297Sjkim return stmp.length; 64968651Skris} 650