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