168651Skris/* a_strex.c */ 2280297Sjkim/* 3280297Sjkim * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4280297Sjkim * 2000. 568651Skris */ 668651Skris/* ==================================================================== 7337982Sjkim * Copyright (c) 2000-2018 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{ 197337982Sjkim int i, outlen, len, charwidth; 198280297Sjkim unsigned char orflags, *p, *q; 199280297Sjkim unsigned long c; 200280297Sjkim p = buf; 201280297Sjkim q = buf + buflen; 202280297Sjkim outlen = 0; 203337982Sjkim charwidth = type & BUF_TYPE_WIDTH_MASK; 204337982Sjkim 205337982Sjkim switch (charwidth) { 206337982Sjkim case 4: 207337982Sjkim if (buflen & 3) { 208337982Sjkim ASN1err(ASN1_F_DO_BUF, ASN1_R_INVALID_UNIVERSALSTRING_LENGTH); 209337982Sjkim return -1; 210337982Sjkim } 211337982Sjkim break; 212337982Sjkim case 2: 213337982Sjkim if (buflen & 1) { 214337982Sjkim ASN1err(ASN1_F_DO_BUF, ASN1_R_INVALID_BMPSTRING_LENGTH); 215337982Sjkim return -1; 216337982Sjkim } 217337982Sjkim break; 218337982Sjkim default: 219337982Sjkim break; 220337982Sjkim } 221337982Sjkim 222280297Sjkim while (p != q) { 223280297Sjkim if (p == buf && flags & ASN1_STRFLGS_ESC_2253) 224280297Sjkim orflags = CHARTYPE_FIRST_ESC_2253; 225280297Sjkim else 226280297Sjkim orflags = 0; 227337982Sjkim 228337982Sjkim switch (charwidth) { 229280297Sjkim case 4: 230280297Sjkim c = ((unsigned long)*p++) << 24; 231280297Sjkim c |= ((unsigned long)*p++) << 16; 232280297Sjkim c |= ((unsigned long)*p++) << 8; 233280297Sjkim c |= *p++; 234280297Sjkim break; 23568651Skris 236280297Sjkim case 2: 237280297Sjkim c = ((unsigned long)*p++) << 8; 238280297Sjkim c |= *p++; 239280297Sjkim break; 24068651Skris 241280297Sjkim case 1: 242280297Sjkim c = *p++; 243280297Sjkim break; 244280297Sjkim 245280297Sjkim case 0: 246280297Sjkim i = UTF8_getc(p, buflen, &c); 247280297Sjkim if (i < 0) 248280297Sjkim return -1; /* Invalid UTF8String */ 249337982Sjkim buflen -= i; 250280297Sjkim p += i; 251280297Sjkim break; 252280297Sjkim default: 253280297Sjkim return -1; /* invalid width */ 254280297Sjkim } 255280297Sjkim if (p == q && flags & ASN1_STRFLGS_ESC_2253) 256280297Sjkim orflags = CHARTYPE_LAST_ESC_2253; 257280297Sjkim if (type & BUF_TYPE_CONVUTF8) { 258280297Sjkim unsigned char utfbuf[6]; 259280297Sjkim int utflen; 260331638Sjkim utflen = UTF8_putc(utfbuf, sizeof(utfbuf), c); 261280297Sjkim for (i = 0; i < utflen; i++) { 262280297Sjkim /* 263280297Sjkim * We don't need to worry about setting orflags correctly 264280297Sjkim * because if utflen==1 its value will be correct anyway 265280297Sjkim * otherwise each character will be > 0x7f and so the 266280297Sjkim * character will never be escaped on first and last. 267280297Sjkim */ 268280297Sjkim len = 269280297Sjkim do_esc_char(utfbuf[i], (unsigned char)(flags | orflags), 270280297Sjkim quotes, io_ch, arg); 271280297Sjkim if (len < 0) 272280297Sjkim return -1; 273280297Sjkim outlen += len; 274280297Sjkim } 275280297Sjkim } else { 276280297Sjkim len = 277280297Sjkim do_esc_char(c, (unsigned char)(flags | orflags), quotes, 278280297Sjkim io_ch, arg); 279280297Sjkim if (len < 0) 280280297Sjkim return -1; 281280297Sjkim outlen += len; 282280297Sjkim } 283280297Sjkim } 284280297Sjkim return outlen; 28568651Skris} 28668651Skris 28768651Skris/* This function hex dumps a buffer of characters */ 28868651Skris 289280297Sjkimstatic int do_hex_dump(char_io *io_ch, void *arg, unsigned char *buf, 290280297Sjkim int buflen) 29168651Skris{ 292280297Sjkim static const char hexdig[] = "0123456789ABCDEF"; 293280297Sjkim unsigned char *p, *q; 294280297Sjkim char hextmp[2]; 295280297Sjkim if (arg) { 296280297Sjkim p = buf; 297280297Sjkim q = buf + buflen; 298280297Sjkim while (p != q) { 299280297Sjkim hextmp[0] = hexdig[*p >> 4]; 300280297Sjkim hextmp[1] = hexdig[*p & 0xf]; 301280297Sjkim if (!io_ch(arg, hextmp, 2)) 302280297Sjkim return -1; 303280297Sjkim p++; 304280297Sjkim } 305280297Sjkim } 306280297Sjkim return buflen << 1; 30768651Skris} 30868651Skris 309280297Sjkim/* 310280297Sjkim * "dump" a string. This is done when the type is unknown, or the flags 311280297Sjkim * request it. We can either dump the content octets or the entire DER 312280297Sjkim * encoding. This uses the RFC2253 #01234 format. 31368651Skris */ 31468651Skris 315280297Sjkimstatic int do_dump(unsigned long lflags, char_io *io_ch, void *arg, 316280297Sjkim ASN1_STRING *str) 31768651Skris{ 318280297Sjkim /* 319280297Sjkim * Placing the ASN1_STRING in a temp ASN1_TYPE allows the DER encoding to 320280297Sjkim * readily obtained 321280297Sjkim */ 322280297Sjkim ASN1_TYPE t; 323280297Sjkim unsigned char *der_buf, *p; 324280297Sjkim int outlen, der_len; 32568651Skris 326280297Sjkim if (!io_ch(arg, "#", 1)) 327280297Sjkim return -1; 328280297Sjkim /* If we don't dump DER encoding just dump content octets */ 329280297Sjkim if (!(lflags & ASN1_STRFLGS_DUMP_DER)) { 330280297Sjkim outlen = do_hex_dump(io_ch, arg, str->data, str->length); 331280297Sjkim if (outlen < 0) 332280297Sjkim return -1; 333280297Sjkim return outlen + 1; 334280297Sjkim } 335280297Sjkim t.type = str->type; 336280297Sjkim t.value.ptr = (char *)str; 337280297Sjkim der_len = i2d_ASN1_TYPE(&t, NULL); 338280297Sjkim der_buf = OPENSSL_malloc(der_len); 339280297Sjkim if (!der_buf) 340280297Sjkim return -1; 341280297Sjkim p = der_buf; 342280297Sjkim i2d_ASN1_TYPE(&t, &p); 343280297Sjkim outlen = do_hex_dump(io_ch, arg, der_buf, der_len); 344280297Sjkim OPENSSL_free(der_buf); 345280297Sjkim if (outlen < 0) 346280297Sjkim return -1; 347280297Sjkim return outlen + 1; 34868651Skris} 34968651Skris 350280297Sjkim/* 351280297Sjkim * Lookup table to convert tags to character widths, 0 = UTF8 encoded, -1 is 352280297Sjkim * used for non string types otherwise it is the number of bytes per 353280297Sjkim * character 35468651Skris */ 35568651Skris 356160814Ssimonstatic const signed char tag2nbyte[] = { 357280297Sjkim -1, -1, -1, -1, -1, /* 0-4 */ 358280297Sjkim -1, -1, -1, -1, -1, /* 5-9 */ 359280297Sjkim -1, -1, 0, -1, /* 10-13 */ 360280297Sjkim -1, -1, -1, -1, /* 15-17 */ 361306195Sjkim 1, 1, 1, /* 18-20 */ 362280297Sjkim -1, 1, 1, 1, /* 21-24 */ 363280297Sjkim -1, 1, -1, /* 25-27 */ 364280297Sjkim 4, -1, 2 /* 28-30 */ 36568651Skris}; 36668651Skris 367280297Sjkim/* 368280297Sjkim * This is the main function, print out an ASN1_STRING taking note of various 369280297Sjkim * escape and display options. Returns number of characters written or -1 if 370280297Sjkim * an error occurred. 37168651Skris */ 37268651Skris 373280297Sjkimstatic int do_print_ex(char_io *io_ch, void *arg, unsigned long lflags, 374280297Sjkim ASN1_STRING *str) 37568651Skris{ 376280297Sjkim int outlen, len; 377280297Sjkim int type; 378280297Sjkim char quotes; 379280297Sjkim unsigned char flags; 380280297Sjkim quotes = 0; 381280297Sjkim /* Keep a copy of escape flags */ 382280297Sjkim flags = (unsigned char)(lflags & ESC_FLAGS); 38368651Skris 384280297Sjkim type = str->type; 38568651Skris 386280297Sjkim outlen = 0; 38768651Skris 388280297Sjkim if (lflags & ASN1_STRFLGS_SHOW_TYPE) { 389280297Sjkim const char *tagname; 390280297Sjkim tagname = ASN1_tag2str(type); 391280297Sjkim outlen += strlen(tagname); 392280297Sjkim if (!io_ch(arg, tagname, outlen) || !io_ch(arg, ":", 1)) 393280297Sjkim return -1; 394280297Sjkim outlen++; 395280297Sjkim } 39668651Skris 397280297Sjkim /* Decide what to do with type, either dump content or display it */ 39868651Skris 399280297Sjkim /* Dump everything */ 400280297Sjkim if (lflags & ASN1_STRFLGS_DUMP_ALL) 401280297Sjkim type = -1; 402280297Sjkim /* Ignore the string type */ 403280297Sjkim else if (lflags & ASN1_STRFLGS_IGNORE_TYPE) 404280297Sjkim type = 1; 405280297Sjkim else { 406280297Sjkim /* Else determine width based on type */ 407280297Sjkim if ((type > 0) && (type < 31)) 408280297Sjkim type = tag2nbyte[type]; 409280297Sjkim else 410280297Sjkim type = -1; 411280297Sjkim if ((type == -1) && !(lflags & ASN1_STRFLGS_DUMP_UNKNOWN)) 412280297Sjkim type = 1; 413280297Sjkim } 41468651Skris 415280297Sjkim if (type == -1) { 416280297Sjkim len = do_dump(lflags, io_ch, arg, str); 417280297Sjkim if (len < 0) 418280297Sjkim return -1; 419280297Sjkim outlen += len; 420280297Sjkim return outlen; 421280297Sjkim } 42268651Skris 423280297Sjkim if (lflags & ASN1_STRFLGS_UTF8_CONVERT) { 424280297Sjkim /* 425280297Sjkim * Note: if string is UTF8 and we want to convert to UTF8 then we 426280297Sjkim * just interpret it as 1 byte per character to avoid converting 427280297Sjkim * twice. 428280297Sjkim */ 429280297Sjkim if (!type) 430280297Sjkim type = 1; 431280297Sjkim else 432280297Sjkim type |= BUF_TYPE_CONVUTF8; 433280297Sjkim } 43468651Skris 435280297Sjkim len = do_buf(str->data, str->length, type, flags, "es, io_ch, NULL); 436280297Sjkim if (len < 0) 437280297Sjkim return -1; 438280297Sjkim outlen += len; 439280297Sjkim if (quotes) 440280297Sjkim outlen += 2; 441280297Sjkim if (!arg) 442280297Sjkim return outlen; 443280297Sjkim if (quotes && !io_ch(arg, "\"", 1)) 444280297Sjkim return -1; 445280297Sjkim if (do_buf(str->data, str->length, type, flags, NULL, io_ch, arg) < 0) 446280297Sjkim return -1; 447280297Sjkim if (quotes && !io_ch(arg, "\"", 1)) 448280297Sjkim return -1; 449280297Sjkim return outlen; 45068651Skris} 45168651Skris 45268651Skris/* Used for line indenting: print 'indent' spaces */ 45368651Skris 45468651Skrisstatic int do_indent(char_io *io_ch, void *arg, int indent) 45568651Skris{ 456280297Sjkim int i; 457280297Sjkim for (i = 0; i < indent; i++) 458280297Sjkim if (!io_ch(arg, " ", 1)) 459280297Sjkim return 0; 460280297Sjkim return 1; 46168651Skris} 46268651Skris 463280297Sjkim#define FN_WIDTH_LN 25 464280297Sjkim#define FN_WIDTH_SN 10 46568651Skris 46668651Skrisstatic int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n, 467280297Sjkim int indent, unsigned long flags) 46868651Skris{ 469280297Sjkim int i, prev = -1, orflags, cnt; 470280297Sjkim int fn_opt, fn_nid; 471280297Sjkim ASN1_OBJECT *fn; 472280297Sjkim ASN1_STRING *val; 473280297Sjkim X509_NAME_ENTRY *ent; 474280297Sjkim char objtmp[80]; 475280297Sjkim const char *objbuf; 476280297Sjkim int outlen, len; 477280297Sjkim char *sep_dn, *sep_mv, *sep_eq; 478280297Sjkim int sep_dn_len, sep_mv_len, sep_eq_len; 479280297Sjkim if (indent < 0) 480280297Sjkim indent = 0; 481280297Sjkim outlen = indent; 482280297Sjkim if (!do_indent(io_ch, arg, indent)) 483280297Sjkim return -1; 484280297Sjkim switch (flags & XN_FLAG_SEP_MASK) { 485280297Sjkim case XN_FLAG_SEP_MULTILINE: 486280297Sjkim sep_dn = "\n"; 487280297Sjkim sep_dn_len = 1; 488280297Sjkim sep_mv = " + "; 489280297Sjkim sep_mv_len = 3; 490280297Sjkim break; 49168651Skris 492280297Sjkim case XN_FLAG_SEP_COMMA_PLUS: 493280297Sjkim sep_dn = ","; 494280297Sjkim sep_dn_len = 1; 495280297Sjkim sep_mv = "+"; 496280297Sjkim sep_mv_len = 1; 497280297Sjkim indent = 0; 498280297Sjkim break; 49968651Skris 500280297Sjkim case XN_FLAG_SEP_CPLUS_SPC: 501280297Sjkim sep_dn = ", "; 502280297Sjkim sep_dn_len = 2; 503280297Sjkim sep_mv = " + "; 504280297Sjkim sep_mv_len = 3; 505280297Sjkim indent = 0; 506280297Sjkim break; 50768651Skris 508280297Sjkim case XN_FLAG_SEP_SPLUS_SPC: 509280297Sjkim sep_dn = "; "; 510280297Sjkim sep_dn_len = 2; 511280297Sjkim sep_mv = " + "; 512280297Sjkim sep_mv_len = 3; 513280297Sjkim indent = 0; 514280297Sjkim break; 51568651Skris 516280297Sjkim default: 517280297Sjkim return -1; 518280297Sjkim } 51968651Skris 520280297Sjkim if (flags & XN_FLAG_SPC_EQ) { 521280297Sjkim sep_eq = " = "; 522280297Sjkim sep_eq_len = 3; 523280297Sjkim } else { 524280297Sjkim sep_eq = "="; 525280297Sjkim sep_eq_len = 1; 526280297Sjkim } 52768651Skris 528280297Sjkim fn_opt = flags & XN_FLAG_FN_MASK; 52968651Skris 530280297Sjkim cnt = X509_NAME_entry_count(n); 531280297Sjkim for (i = 0; i < cnt; i++) { 532280297Sjkim if (flags & XN_FLAG_DN_REV) 533280297Sjkim ent = X509_NAME_get_entry(n, cnt - i - 1); 534280297Sjkim else 535280297Sjkim ent = X509_NAME_get_entry(n, i); 536280297Sjkim if (prev != -1) { 537280297Sjkim if (prev == ent->set) { 538280297Sjkim if (!io_ch(arg, sep_mv, sep_mv_len)) 539280297Sjkim return -1; 540280297Sjkim outlen += sep_mv_len; 541280297Sjkim } else { 542280297Sjkim if (!io_ch(arg, sep_dn, sep_dn_len)) 543280297Sjkim return -1; 544280297Sjkim outlen += sep_dn_len; 545280297Sjkim if (!do_indent(io_ch, arg, indent)) 546280297Sjkim return -1; 547280297Sjkim outlen += indent; 548280297Sjkim } 549280297Sjkim } 550280297Sjkim prev = ent->set; 551280297Sjkim fn = X509_NAME_ENTRY_get_object(ent); 552280297Sjkim val = X509_NAME_ENTRY_get_data(ent); 553280297Sjkim fn_nid = OBJ_obj2nid(fn); 554280297Sjkim if (fn_opt != XN_FLAG_FN_NONE) { 555280297Sjkim int objlen, fld_len; 556280297Sjkim if ((fn_opt == XN_FLAG_FN_OID) || (fn_nid == NID_undef)) { 557331638Sjkim OBJ_obj2txt(objtmp, sizeof(objtmp), fn, 1); 558280297Sjkim fld_len = 0; /* XXX: what should this be? */ 559280297Sjkim objbuf = objtmp; 560280297Sjkim } else { 561280297Sjkim if (fn_opt == XN_FLAG_FN_SN) { 562280297Sjkim fld_len = FN_WIDTH_SN; 563280297Sjkim objbuf = OBJ_nid2sn(fn_nid); 564280297Sjkim } else if (fn_opt == XN_FLAG_FN_LN) { 565280297Sjkim fld_len = FN_WIDTH_LN; 566280297Sjkim objbuf = OBJ_nid2ln(fn_nid); 567280297Sjkim } else { 568280297Sjkim fld_len = 0; /* XXX: what should this be? */ 569280297Sjkim objbuf = ""; 570280297Sjkim } 571280297Sjkim } 572280297Sjkim objlen = strlen(objbuf); 573280297Sjkim if (!io_ch(arg, objbuf, objlen)) 574280297Sjkim return -1; 575280297Sjkim if ((objlen < fld_len) && (flags & XN_FLAG_FN_ALIGN)) { 576280297Sjkim if (!do_indent(io_ch, arg, fld_len - objlen)) 577280297Sjkim return -1; 578280297Sjkim outlen += fld_len - objlen; 579280297Sjkim } 580280297Sjkim if (!io_ch(arg, sep_eq, sep_eq_len)) 581280297Sjkim return -1; 582280297Sjkim outlen += objlen + sep_eq_len; 583280297Sjkim } 584280297Sjkim /* 585280297Sjkim * If the field name is unknown then fix up the DER dump flag. We 586280297Sjkim * might want to limit this further so it will DER dump on anything 587280297Sjkim * other than a few 'standard' fields. 588280297Sjkim */ 589280297Sjkim if ((fn_nid == NID_undef) && (flags & XN_FLAG_DUMP_UNKNOWN_FIELDS)) 590280297Sjkim orflags = ASN1_STRFLGS_DUMP_ALL; 591280297Sjkim else 592280297Sjkim orflags = 0; 593280297Sjkim 594280297Sjkim len = do_print_ex(io_ch, arg, flags | orflags, val); 595280297Sjkim if (len < 0) 596280297Sjkim return -1; 597280297Sjkim outlen += len; 598280297Sjkim } 599280297Sjkim return outlen; 60068651Skris} 60168651Skris 60268651Skris/* Wrappers round the main functions */ 60368651Skris 604280297Sjkimint X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent, 605280297Sjkim unsigned long flags) 60668651Skris{ 607280297Sjkim if (flags == XN_FLAG_COMPAT) 608280297Sjkim return X509_NAME_print(out, nm, indent); 609280297Sjkim return do_name_ex(send_bio_chars, out, nm, indent, flags); 61068651Skris} 61168651Skris 612160814Ssimon#ifndef OPENSSL_NO_FP_API 613280297Sjkimint X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, 614280297Sjkim unsigned long flags) 61568651Skris{ 616280297Sjkim if (flags == XN_FLAG_COMPAT) { 617280297Sjkim BIO *btmp; 618280297Sjkim int ret; 619280297Sjkim btmp = BIO_new_fp(fp, BIO_NOCLOSE); 620280297Sjkim if (!btmp) 621280297Sjkim return -1; 622280297Sjkim ret = X509_NAME_print(btmp, nm, indent); 623280297Sjkim BIO_free(btmp); 624280297Sjkim return ret; 625280297Sjkim } 626280297Sjkim return do_name_ex(send_fp_chars, fp, nm, indent, flags); 62768651Skris} 628160814Ssimon#endif 62968651Skris 63068651Skrisint ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags) 63168651Skris{ 632280297Sjkim return do_print_ex(send_bio_chars, out, flags, str); 63368651Skris} 63468651Skris 635160814Ssimon#ifndef OPENSSL_NO_FP_API 63668651Skrisint ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags) 63768651Skris{ 638280297Sjkim return do_print_ex(send_fp_chars, fp, flags, str); 63968651Skris} 640160814Ssimon#endif 64168651Skris 642280297Sjkim/* 643280297Sjkim * Utility function: convert any string type to UTF8, returns number of bytes 64468651Skris * in output string or a negative error code 64568651Skris */ 64668651Skris 64768651Skrisint ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in) 64868651Skris{ 649280297Sjkim ASN1_STRING stmp, *str = &stmp; 650280297Sjkim int mbflag, type, ret; 651280297Sjkim if (!in) 652280297Sjkim return -1; 653280297Sjkim type = in->type; 654280297Sjkim if ((type < 0) || (type > 30)) 655280297Sjkim return -1; 656280297Sjkim mbflag = tag2nbyte[type]; 657280297Sjkim if (mbflag == -1) 658280297Sjkim return -1; 659280297Sjkim mbflag |= MBSTRING_FLAG; 660280297Sjkim stmp.data = NULL; 661280297Sjkim stmp.length = 0; 662280297Sjkim stmp.flags = 0; 663280297Sjkim ret = 664280297Sjkim ASN1_mbstring_copy(&str, in->data, in->length, mbflag, 665280297Sjkim B_ASN1_UTF8STRING); 666280297Sjkim if (ret < 0) 667280297Sjkim return ret; 668280297Sjkim *out = stmp.data; 669280297Sjkim return stmp.length; 67068651Skris} 671