1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay (at) cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] */ 56 57 #include <openssl/asn1.h> 58 59 #include <openssl/err.h> 60 #include <openssl/mem.h> 61 62 63 int ASN1_PRINTABLE_type(const unsigned char *s, int len) 64 { 65 int c; 66 int ia5=0; 67 int t61=0; 68 69 if (len <= 0) len= -1; 70 if (s == NULL) return(V_ASN1_PRINTABLESTRING); 71 72 while ((*s) && (len-- != 0)) 73 { 74 c= *(s++); 75 if (!( ((c >= 'a') && (c <= 'z')) || 76 ((c >= 'A') && (c <= 'Z')) || 77 (c == ' ') || 78 ((c >= '0') && (c <= '9')) || 79 (c == ' ') || (c == '\'') || 80 (c == '(') || (c == ')') || 81 (c == '+') || (c == ',') || 82 (c == '-') || (c == '.') || 83 (c == '/') || (c == ':') || 84 (c == '=') || (c == '?'))) 85 ia5=1; 86 if (c&0x80) 87 t61=1; 88 } 89 if (t61) return(V_ASN1_T61STRING); 90 if (ia5) return(V_ASN1_IA5STRING); 91 return(V_ASN1_PRINTABLESTRING); 92 } 93 94 int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s) 95 { 96 int i; 97 unsigned char *p; 98 99 if (s->type != V_ASN1_UNIVERSALSTRING) return(0); 100 if ((s->length%4) != 0) return(0); 101 p=s->data; 102 for (i=0; i<s->length; i+=4) 103 { 104 if ((p[0] != '\0') || (p[1] != '\0') || (p[2] != '\0')) 105 break; 106 else 107 p+=4; 108 } 109 if (i < s->length) return(0); 110 p=s->data; 111 for (i=3; i<s->length; i+=4) 112 { 113 *(p++)=s->data[i]; 114 } 115 *(p)='\0'; 116 s->length/=4; 117 s->type=ASN1_PRINTABLE_type(s->data,s->length); 118 return(1); 119 } 120
