1*0Sstevel@tonic-gate /* a_mbstr.c */ 2*0Sstevel@tonic-gate /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL 3*0Sstevel@tonic-gate * project 1999. 4*0Sstevel@tonic-gate */ 5*0Sstevel@tonic-gate /* ==================================================================== 6*0Sstevel@tonic-gate * Copyright (c) 1999 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 <ctype.h> 61*0Sstevel@tonic-gate #include "cryptlib.h" 62*0Sstevel@tonic-gate #include <openssl/asn1.h> 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate static int traverse_string(const unsigned char *p, int len, int inform, 65*0Sstevel@tonic-gate int (*rfunc)(unsigned long value, void *in), void *arg); 66*0Sstevel@tonic-gate static int in_utf8(unsigned long value, void *arg); 67*0Sstevel@tonic-gate static int out_utf8(unsigned long value, void *arg); 68*0Sstevel@tonic-gate static int type_str(unsigned long value, void *arg); 69*0Sstevel@tonic-gate static int cpy_asc(unsigned long value, void *arg); 70*0Sstevel@tonic-gate static int cpy_bmp(unsigned long value, void *arg); 71*0Sstevel@tonic-gate static int cpy_univ(unsigned long value, void *arg); 72*0Sstevel@tonic-gate static int cpy_utf8(unsigned long value, void *arg); 73*0Sstevel@tonic-gate static int is_printable(unsigned long value); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate /* These functions take a string in UTF8, ASCII or multibyte form and 76*0Sstevel@tonic-gate * a mask of permissible ASN1 string types. It then works out the minimal 77*0Sstevel@tonic-gate * type (using the order Printable < IA5 < T61 < BMP < Universal < UTF8) 78*0Sstevel@tonic-gate * and creates a string of the correct type with the supplied data. 79*0Sstevel@tonic-gate * Yes this is horrible: it has to be :-( 80*0Sstevel@tonic-gate * The 'ncopy' form checks minimum and maximum size limits too. 81*0Sstevel@tonic-gate */ 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate int ASN1_mbstring_copy(ASN1_STRING **out, const unsigned char *in, int len, 84*0Sstevel@tonic-gate int inform, unsigned long mask) 85*0Sstevel@tonic-gate { 86*0Sstevel@tonic-gate return ASN1_mbstring_ncopy(out, in, len, inform, mask, 0, 0); 87*0Sstevel@tonic-gate } 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len, 90*0Sstevel@tonic-gate int inform, unsigned long mask, 91*0Sstevel@tonic-gate long minsize, long maxsize) 92*0Sstevel@tonic-gate { 93*0Sstevel@tonic-gate int str_type; 94*0Sstevel@tonic-gate int ret; 95*0Sstevel@tonic-gate char free_out; 96*0Sstevel@tonic-gate int outform, outlen; 97*0Sstevel@tonic-gate ASN1_STRING *dest; 98*0Sstevel@tonic-gate unsigned char *p; 99*0Sstevel@tonic-gate int nchar; 100*0Sstevel@tonic-gate char strbuf[32]; 101*0Sstevel@tonic-gate int (*cpyfunc)(unsigned long,void *) = NULL; 102*0Sstevel@tonic-gate if(len == -1) len = strlen((const char *)in); 103*0Sstevel@tonic-gate if(!mask) mask = DIRSTRING_TYPE; 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate /* First do a string check and work out the number of characters */ 106*0Sstevel@tonic-gate switch(inform) { 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate case MBSTRING_BMP: 109*0Sstevel@tonic-gate if(len & 1) { 110*0Sstevel@tonic-gate ASN1err(ASN1_F_ASN1_MBSTRING_COPY, 111*0Sstevel@tonic-gate ASN1_R_INVALID_BMPSTRING_LENGTH); 112*0Sstevel@tonic-gate return -1; 113*0Sstevel@tonic-gate } 114*0Sstevel@tonic-gate nchar = len >> 1; 115*0Sstevel@tonic-gate break; 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate case MBSTRING_UNIV: 118*0Sstevel@tonic-gate if(len & 3) { 119*0Sstevel@tonic-gate ASN1err(ASN1_F_ASN1_MBSTRING_COPY, 120*0Sstevel@tonic-gate ASN1_R_INVALID_UNIVERSALSTRING_LENGTH); 121*0Sstevel@tonic-gate return -1; 122*0Sstevel@tonic-gate } 123*0Sstevel@tonic-gate nchar = len >> 2; 124*0Sstevel@tonic-gate break; 125*0Sstevel@tonic-gate 126*0Sstevel@tonic-gate case MBSTRING_UTF8: 127*0Sstevel@tonic-gate nchar = 0; 128*0Sstevel@tonic-gate /* This counts the characters and does utf8 syntax checking */ 129*0Sstevel@tonic-gate ret = traverse_string(in, len, MBSTRING_UTF8, in_utf8, &nchar); 130*0Sstevel@tonic-gate if(ret < 0) { 131*0Sstevel@tonic-gate ASN1err(ASN1_F_ASN1_MBSTRING_COPY, 132*0Sstevel@tonic-gate ASN1_R_INVALID_UTF8STRING); 133*0Sstevel@tonic-gate return -1; 134*0Sstevel@tonic-gate } 135*0Sstevel@tonic-gate break; 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate case MBSTRING_ASC: 138*0Sstevel@tonic-gate nchar = len; 139*0Sstevel@tonic-gate break; 140*0Sstevel@tonic-gate 141*0Sstevel@tonic-gate default: 142*0Sstevel@tonic-gate ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_UNKNOWN_FORMAT); 143*0Sstevel@tonic-gate return -1; 144*0Sstevel@tonic-gate } 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate if((minsize > 0) && (nchar < minsize)) { 147*0Sstevel@tonic-gate ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_STRING_TOO_SHORT); 148*0Sstevel@tonic-gate BIO_snprintf(strbuf, sizeof strbuf, "%ld", minsize); 149*0Sstevel@tonic-gate ERR_add_error_data(2, "minsize=", strbuf); 150*0Sstevel@tonic-gate return -1; 151*0Sstevel@tonic-gate } 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate if((maxsize > 0) && (nchar > maxsize)) { 154*0Sstevel@tonic-gate ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_STRING_TOO_LONG); 155*0Sstevel@tonic-gate BIO_snprintf(strbuf, sizeof strbuf, "%ld", maxsize); 156*0Sstevel@tonic-gate ERR_add_error_data(2, "maxsize=", strbuf); 157*0Sstevel@tonic-gate return -1; 158*0Sstevel@tonic-gate } 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate /* Now work out minimal type (if any) */ 161*0Sstevel@tonic-gate if(traverse_string(in, len, inform, type_str, &mask) < 0) { 162*0Sstevel@tonic-gate ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_ILLEGAL_CHARACTERS); 163*0Sstevel@tonic-gate return -1; 164*0Sstevel@tonic-gate } 165*0Sstevel@tonic-gate 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate /* Now work out output format and string type */ 168*0Sstevel@tonic-gate outform = MBSTRING_ASC; 169*0Sstevel@tonic-gate if(mask & B_ASN1_PRINTABLESTRING) str_type = V_ASN1_PRINTABLESTRING; 170*0Sstevel@tonic-gate else if(mask & B_ASN1_IA5STRING) str_type = V_ASN1_IA5STRING; 171*0Sstevel@tonic-gate else if(mask & B_ASN1_T61STRING) str_type = V_ASN1_T61STRING; 172*0Sstevel@tonic-gate else if(mask & B_ASN1_BMPSTRING) { 173*0Sstevel@tonic-gate str_type = V_ASN1_BMPSTRING; 174*0Sstevel@tonic-gate outform = MBSTRING_BMP; 175*0Sstevel@tonic-gate } else if(mask & B_ASN1_UNIVERSALSTRING) { 176*0Sstevel@tonic-gate str_type = V_ASN1_UNIVERSALSTRING; 177*0Sstevel@tonic-gate outform = MBSTRING_UNIV; 178*0Sstevel@tonic-gate } else { 179*0Sstevel@tonic-gate str_type = V_ASN1_UTF8STRING; 180*0Sstevel@tonic-gate outform = MBSTRING_UTF8; 181*0Sstevel@tonic-gate } 182*0Sstevel@tonic-gate if(!out) return str_type; 183*0Sstevel@tonic-gate if(*out) { 184*0Sstevel@tonic-gate free_out = 0; 185*0Sstevel@tonic-gate dest = *out; 186*0Sstevel@tonic-gate if(dest->data) { 187*0Sstevel@tonic-gate dest->length = 0; 188*0Sstevel@tonic-gate OPENSSL_free(dest->data); 189*0Sstevel@tonic-gate dest->data = NULL; 190*0Sstevel@tonic-gate } 191*0Sstevel@tonic-gate dest->type = str_type; 192*0Sstevel@tonic-gate } else { 193*0Sstevel@tonic-gate free_out = 1; 194*0Sstevel@tonic-gate dest = ASN1_STRING_type_new(str_type); 195*0Sstevel@tonic-gate if(!dest) { 196*0Sstevel@tonic-gate ASN1err(ASN1_F_ASN1_MBSTRING_COPY, 197*0Sstevel@tonic-gate ERR_R_MALLOC_FAILURE); 198*0Sstevel@tonic-gate return -1; 199*0Sstevel@tonic-gate } 200*0Sstevel@tonic-gate *out = dest; 201*0Sstevel@tonic-gate } 202*0Sstevel@tonic-gate /* If both the same type just copy across */ 203*0Sstevel@tonic-gate if(inform == outform) { 204*0Sstevel@tonic-gate if(!ASN1_STRING_set(dest, in, len)) { 205*0Sstevel@tonic-gate ASN1err(ASN1_F_ASN1_MBSTRING_COPY,ERR_R_MALLOC_FAILURE); 206*0Sstevel@tonic-gate return -1; 207*0Sstevel@tonic-gate } 208*0Sstevel@tonic-gate return str_type; 209*0Sstevel@tonic-gate } 210*0Sstevel@tonic-gate 211*0Sstevel@tonic-gate /* Work out how much space the destination will need */ 212*0Sstevel@tonic-gate switch(outform) { 213*0Sstevel@tonic-gate case MBSTRING_ASC: 214*0Sstevel@tonic-gate outlen = nchar; 215*0Sstevel@tonic-gate cpyfunc = cpy_asc; 216*0Sstevel@tonic-gate break; 217*0Sstevel@tonic-gate 218*0Sstevel@tonic-gate case MBSTRING_BMP: 219*0Sstevel@tonic-gate outlen = nchar << 1; 220*0Sstevel@tonic-gate cpyfunc = cpy_bmp; 221*0Sstevel@tonic-gate break; 222*0Sstevel@tonic-gate 223*0Sstevel@tonic-gate case MBSTRING_UNIV: 224*0Sstevel@tonic-gate outlen = nchar << 2; 225*0Sstevel@tonic-gate cpyfunc = cpy_univ; 226*0Sstevel@tonic-gate break; 227*0Sstevel@tonic-gate 228*0Sstevel@tonic-gate case MBSTRING_UTF8: 229*0Sstevel@tonic-gate outlen = 0; 230*0Sstevel@tonic-gate traverse_string(in, len, inform, out_utf8, &outlen); 231*0Sstevel@tonic-gate cpyfunc = cpy_utf8; 232*0Sstevel@tonic-gate break; 233*0Sstevel@tonic-gate } 234*0Sstevel@tonic-gate if(!(p = OPENSSL_malloc(outlen + 1))) { 235*0Sstevel@tonic-gate if(free_out) ASN1_STRING_free(dest); 236*0Sstevel@tonic-gate ASN1err(ASN1_F_ASN1_MBSTRING_COPY,ERR_R_MALLOC_FAILURE); 237*0Sstevel@tonic-gate return -1; 238*0Sstevel@tonic-gate } 239*0Sstevel@tonic-gate dest->length = outlen; 240*0Sstevel@tonic-gate dest->data = p; 241*0Sstevel@tonic-gate p[outlen] = 0; 242*0Sstevel@tonic-gate traverse_string(in, len, inform, cpyfunc, &p); 243*0Sstevel@tonic-gate return str_type; 244*0Sstevel@tonic-gate } 245*0Sstevel@tonic-gate 246*0Sstevel@tonic-gate /* This function traverses a string and passes the value of each character 247*0Sstevel@tonic-gate * to an optional function along with a void * argument. 248*0Sstevel@tonic-gate */ 249*0Sstevel@tonic-gate 250*0Sstevel@tonic-gate static int traverse_string(const unsigned char *p, int len, int inform, 251*0Sstevel@tonic-gate int (*rfunc)(unsigned long value, void *in), void *arg) 252*0Sstevel@tonic-gate { 253*0Sstevel@tonic-gate unsigned long value; 254*0Sstevel@tonic-gate int ret; 255*0Sstevel@tonic-gate while(len) { 256*0Sstevel@tonic-gate if(inform == MBSTRING_ASC) { 257*0Sstevel@tonic-gate value = *p++; 258*0Sstevel@tonic-gate len--; 259*0Sstevel@tonic-gate } else if(inform == MBSTRING_BMP) { 260*0Sstevel@tonic-gate value = *p++ << 8; 261*0Sstevel@tonic-gate value |= *p++; 262*0Sstevel@tonic-gate len -= 2; 263*0Sstevel@tonic-gate } else if(inform == MBSTRING_UNIV) { 264*0Sstevel@tonic-gate value = ((unsigned long)*p++) << 24; 265*0Sstevel@tonic-gate value |= ((unsigned long)*p++) << 16; 266*0Sstevel@tonic-gate value |= *p++ << 8; 267*0Sstevel@tonic-gate value |= *p++; 268*0Sstevel@tonic-gate len -= 4; 269*0Sstevel@tonic-gate } else { 270*0Sstevel@tonic-gate ret = UTF8_getc(p, len, &value); 271*0Sstevel@tonic-gate if(ret < 0) return -1; 272*0Sstevel@tonic-gate len -= ret; 273*0Sstevel@tonic-gate p += ret; 274*0Sstevel@tonic-gate } 275*0Sstevel@tonic-gate if(rfunc) { 276*0Sstevel@tonic-gate ret = rfunc(value, arg); 277*0Sstevel@tonic-gate if(ret <= 0) return ret; 278*0Sstevel@tonic-gate } 279*0Sstevel@tonic-gate } 280*0Sstevel@tonic-gate return 1; 281*0Sstevel@tonic-gate } 282*0Sstevel@tonic-gate 283*0Sstevel@tonic-gate /* Various utility functions for traverse_string */ 284*0Sstevel@tonic-gate 285*0Sstevel@tonic-gate /* Just count number of characters */ 286*0Sstevel@tonic-gate 287*0Sstevel@tonic-gate static int in_utf8(unsigned long value, void *arg) 288*0Sstevel@tonic-gate { 289*0Sstevel@tonic-gate int *nchar; 290*0Sstevel@tonic-gate nchar = arg; 291*0Sstevel@tonic-gate (*nchar)++; 292*0Sstevel@tonic-gate return 1; 293*0Sstevel@tonic-gate } 294*0Sstevel@tonic-gate 295*0Sstevel@tonic-gate /* Determine size of output as a UTF8 String */ 296*0Sstevel@tonic-gate 297*0Sstevel@tonic-gate static int out_utf8(unsigned long value, void *arg) 298*0Sstevel@tonic-gate { 299*0Sstevel@tonic-gate int *outlen; 300*0Sstevel@tonic-gate outlen = arg; 301*0Sstevel@tonic-gate *outlen += UTF8_putc(NULL, -1, value); 302*0Sstevel@tonic-gate return 1; 303*0Sstevel@tonic-gate } 304*0Sstevel@tonic-gate 305*0Sstevel@tonic-gate /* Determine the "type" of a string: check each character against a 306*0Sstevel@tonic-gate * supplied "mask". 307*0Sstevel@tonic-gate */ 308*0Sstevel@tonic-gate 309*0Sstevel@tonic-gate static int type_str(unsigned long value, void *arg) 310*0Sstevel@tonic-gate { 311*0Sstevel@tonic-gate unsigned long types; 312*0Sstevel@tonic-gate types = *((unsigned long *)arg); 313*0Sstevel@tonic-gate if((types & B_ASN1_PRINTABLESTRING) && !is_printable(value)) 314*0Sstevel@tonic-gate types &= ~B_ASN1_PRINTABLESTRING; 315*0Sstevel@tonic-gate if((types & B_ASN1_IA5STRING) && (value > 127)) 316*0Sstevel@tonic-gate types &= ~B_ASN1_IA5STRING; 317*0Sstevel@tonic-gate if((types & B_ASN1_T61STRING) && (value > 0xff)) 318*0Sstevel@tonic-gate types &= ~B_ASN1_T61STRING; 319*0Sstevel@tonic-gate if((types & B_ASN1_BMPSTRING) && (value > 0xffff)) 320*0Sstevel@tonic-gate types &= ~B_ASN1_BMPSTRING; 321*0Sstevel@tonic-gate if(!types) return -1; 322*0Sstevel@tonic-gate *((unsigned long *)arg) = types; 323*0Sstevel@tonic-gate return 1; 324*0Sstevel@tonic-gate } 325*0Sstevel@tonic-gate 326*0Sstevel@tonic-gate /* Copy one byte per character ASCII like strings */ 327*0Sstevel@tonic-gate 328*0Sstevel@tonic-gate static int cpy_asc(unsigned long value, void *arg) 329*0Sstevel@tonic-gate { 330*0Sstevel@tonic-gate unsigned char **p, *q; 331*0Sstevel@tonic-gate p = arg; 332*0Sstevel@tonic-gate q = *p; 333*0Sstevel@tonic-gate *q = (unsigned char) value; 334*0Sstevel@tonic-gate (*p)++; 335*0Sstevel@tonic-gate return 1; 336*0Sstevel@tonic-gate } 337*0Sstevel@tonic-gate 338*0Sstevel@tonic-gate /* Copy two byte per character BMPStrings */ 339*0Sstevel@tonic-gate 340*0Sstevel@tonic-gate static int cpy_bmp(unsigned long value, void *arg) 341*0Sstevel@tonic-gate { 342*0Sstevel@tonic-gate unsigned char **p, *q; 343*0Sstevel@tonic-gate p = arg; 344*0Sstevel@tonic-gate q = *p; 345*0Sstevel@tonic-gate *q++ = (unsigned char) ((value >> 8) & 0xff); 346*0Sstevel@tonic-gate *q = (unsigned char) (value & 0xff); 347*0Sstevel@tonic-gate *p += 2; 348*0Sstevel@tonic-gate return 1; 349*0Sstevel@tonic-gate } 350*0Sstevel@tonic-gate 351*0Sstevel@tonic-gate /* Copy four byte per character UniversalStrings */ 352*0Sstevel@tonic-gate 353*0Sstevel@tonic-gate static int cpy_univ(unsigned long value, void *arg) 354*0Sstevel@tonic-gate { 355*0Sstevel@tonic-gate unsigned char **p, *q; 356*0Sstevel@tonic-gate p = arg; 357*0Sstevel@tonic-gate q = *p; 358*0Sstevel@tonic-gate *q++ = (unsigned char) ((value >> 24) & 0xff); 359*0Sstevel@tonic-gate *q++ = (unsigned char) ((value >> 16) & 0xff); 360*0Sstevel@tonic-gate *q++ = (unsigned char) ((value >> 8) & 0xff); 361*0Sstevel@tonic-gate *q = (unsigned char) (value & 0xff); 362*0Sstevel@tonic-gate *p += 4; 363*0Sstevel@tonic-gate return 1; 364*0Sstevel@tonic-gate } 365*0Sstevel@tonic-gate 366*0Sstevel@tonic-gate /* Copy to a UTF8String */ 367*0Sstevel@tonic-gate 368*0Sstevel@tonic-gate static int cpy_utf8(unsigned long value, void *arg) 369*0Sstevel@tonic-gate { 370*0Sstevel@tonic-gate unsigned char **p; 371*0Sstevel@tonic-gate int ret; 372*0Sstevel@tonic-gate p = arg; 373*0Sstevel@tonic-gate /* We already know there is enough room so pass 0xff as the length */ 374*0Sstevel@tonic-gate ret = UTF8_putc(*p, 0xff, value); 375*0Sstevel@tonic-gate *p += ret; 376*0Sstevel@tonic-gate return 1; 377*0Sstevel@tonic-gate } 378*0Sstevel@tonic-gate 379*0Sstevel@tonic-gate /* Return 1 if the character is permitted in a PrintableString */ 380*0Sstevel@tonic-gate static int is_printable(unsigned long value) 381*0Sstevel@tonic-gate { 382*0Sstevel@tonic-gate int ch; 383*0Sstevel@tonic-gate if(value > 0x7f) return 0; 384*0Sstevel@tonic-gate ch = (int) value; 385*0Sstevel@tonic-gate /* Note: we can't use 'isalnum' because certain accented 386*0Sstevel@tonic-gate * characters may count as alphanumeric in some environments. 387*0Sstevel@tonic-gate */ 388*0Sstevel@tonic-gate #ifndef CHARSET_EBCDIC 389*0Sstevel@tonic-gate if((ch >= 'a') && (ch <= 'z')) return 1; 390*0Sstevel@tonic-gate if((ch >= 'A') && (ch <= 'Z')) return 1; 391*0Sstevel@tonic-gate if((ch >= '0') && (ch <= '9')) return 1; 392*0Sstevel@tonic-gate if ((ch == ' ') || strchr("'()+,-./:=?", ch)) return 1; 393*0Sstevel@tonic-gate #else /*CHARSET_EBCDIC*/ 394*0Sstevel@tonic-gate if((ch >= os_toascii['a']) && (ch <= os_toascii['z'])) return 1; 395*0Sstevel@tonic-gate if((ch >= os_toascii['A']) && (ch <= os_toascii['Z'])) return 1; 396*0Sstevel@tonic-gate if((ch >= os_toascii['0']) && (ch <= os_toascii['9'])) return 1; 397*0Sstevel@tonic-gate if ((ch == os_toascii[' ']) || strchr("'()+,-./:=?", os_toebcdic[ch])) return 1; 398*0Sstevel@tonic-gate #endif /*CHARSET_EBCDIC*/ 399*0Sstevel@tonic-gate return 0; 400*0Sstevel@tonic-gate } 401