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95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
/*
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* Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/ctype.h"
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#include "internal/cryptlib.h"
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#include <openssl/asn1.h>
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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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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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while ((*s) && (len-- != 0)) {
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c = *(s++);
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if (!ossl_isasn1print(c))
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ia5 = 1;
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if (!ossl_isascii(c))
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t61 = 1;
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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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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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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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}
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int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
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{
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int i, n;
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char buf[80];
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const char *p;
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if (v == NULL)
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return 0;
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n = 0;
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p = (const char *)v->data;
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for (i = 0; i < v->length; i++) {
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if ((p[i] > '~') || ((p[i] < ' ') &&
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(p[i] != '\n') && (p[i] != '\r')))
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buf[n] = '.';
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else
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buf[n] = p[i];
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n++;
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if (n >= 80) {
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if (BIO_write(bp, buf, n) <= 0)
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return 0;
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n = 0;
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}
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}
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if (n > 0)
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if (BIO_write(bp, buf, n) <= 0)
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return 0;
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return 1;
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}
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