| /* crypto/asn1/a_print.c */ |
| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] |
| */ |
| |
| #include <stdio.h> |
| #include "cryptlib.h" |
| #include <openssl/asn1.h> |
| |
| int ASN1_PRINTABLE_type(const unsigned char *s, int len) |
| { |
| int c; |
| int ia5=0; |
| int t61=0; |
| |
| if (len <= 0) len= -1; |
| if (s == NULL) return(V_ASN1_PRINTABLESTRING); |
| |
| while ((*s) && (len-- != 0)) |
| { |
| c= *(s++); |
| #ifndef CHARSET_EBCDIC |
| if (!( ((c >= 'a') && (c <= 'z')) || |
| ((c >= 'A') && (c <= 'Z')) || |
| (c == ' ') || |
| ((c >= '0') && (c <= '9')) || |
| (c == ' ') || (c == '\'') || |
| (c == '(') || (c == ')') || |
| (c == '+') || (c == ',') || |
| (c == '-') || (c == '.') || |
| (c == '/') || (c == ':') || |
| (c == '=') || (c == '?'))) |
| ia5=1; |
| if (c&0x80) |
| t61=1; |
| #else |
| if (!isalnum(c) && (c != ' ') && |
| strchr("'()+,-./:=?", c) == NULL) |
| ia5=1; |
| if (os_toascii[c] & 0x80) |
| t61=1; |
| #endif |
| } |
| if (t61) return(V_ASN1_T61STRING); |
| if (ia5) return(V_ASN1_IA5STRING); |
| return(V_ASN1_PRINTABLESTRING); |
| } |
| |
| int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s) |
| { |
| int i; |
| unsigned char *p; |
| |
| if (s->type != V_ASN1_UNIVERSALSTRING) return(0); |
| if ((s->length%4) != 0) return(0); |
| p=s->data; |
| for (i=0; i<s->length; i+=4) |
| { |
| if ((p[0] != '\0') || (p[1] != '\0') || (p[2] != '\0')) |
| break; |
| else |
| p+=4; |
| } |
| if (i < s->length) return(0); |
| p=s->data; |
| for (i=3; i<s->length; i+=4) |
| { |
| *(p++)=s->data[i]; |
| } |
| *(p)='\0'; |
| s->length/=4; |
| s->type=ASN1_PRINTABLE_type(s->data,s->length); |
| return(1); |
| } |