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