crypto/asn1/a_print.c

   1 /* crypto/asn1/a_print.c */
   2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdio.h>
  60 #include "cryptlib.h"
  61 #include "asn1.h"
  62
  63 /* ASN1err(ASN1_F_D2I_ASN1_PRINT_TYPE,ASN1_R_WRONG_PRINTABLE_TYPE);
  64  * ASN1err(ASN1_F_D2I_ASN1_PRINT_TYPE,ASN1_R_TAG_VALUE_TOO_HIGH);
  65  */
  66
  67 int i2d_ASN1_IA5STRING(a,pp)
  68 ASN1_IA5STRING *a;
  69 unsigned char **pp;
  70         { return(M_i2d_ASN1_IA5STRING(a,pp)); }
  71
  72 ASN1_IA5STRING *d2i_ASN1_IA5STRING(a,pp,l)
  73 ASN1_IA5STRING **a;
  74 unsigned char **pp;
  75 long l;
  76         { return(M_d2i_ASN1_IA5STRING(a,pp,l)); }
  77
  78 ASN1_T61STRING *d2i_ASN1_T61STRING(a,pp,l)
  79 ASN1_T61STRING **a;
  80 unsigned char **pp;
  81 long l;
  82         { return(M_d2i_ASN1_T61STRING(a,pp,l)); }
  83
  84 ASN1_PRINTABLESTRING *d2i_ASN1_PRINTABLESTRING(a,pp,l)
  85 ASN1_PRINTABLESTRING **a;
  86 unsigned char **pp;
  87 long l;
  88         { return(M_d2i_ASN1_PRINTABLESTRING(a,pp,l)); }
  89
  90 int i2d_ASN1_PRINTABLE(a,pp)
  91 ASN1_STRING *a;
  92 unsigned char **pp;
  93         { return(M_i2d_ASN1_PRINTABLE(a,pp)); }
  94
  95 ASN1_STRING *d2i_ASN1_PRINTABLE(a,pp,l)
  96 ASN1_STRING **a;
  97 unsigned char **pp;
  98 long l;
  99         { return(M_d2i_ASN1_PRINTABLE(a,pp,l)); }
 100
 101 int ASN1_PRINTABLE_type(s,len)
 102 unsigned char *s;
 103 int len;
 104         {
 105         int c;
 106         int ia5=0;
 107         int t61=0;
 108
 109         if (len <= 0) len= -1;
 110         if (s == NULL) return(V_ASN1_PRINTABLESTRING);
 111
 112         while ((*s) && (len-- != 0))
 113                 {
 114                 c= *(s++);
 115                 if (!(  ((c >= 'a') && (c <= 'z')) ||
 116                         ((c >= 'A') && (c <= 'Z')) ||
 117                         (c == ' ') ||
 118                         ((c >= '0') && (c <= '9')) ||
 119                         (c == ' ') || (c == '\'') ||
 120                         (c == '(') || (c == ')') ||
 121                         (c == '+') || (c == ',') ||
 122                         (c == '-') || (c == '.') ||
 123                         (c == '/') || (c == ':') ||
 124                         (c == '=') || (c == '?')))
 125                         ia5=1;
 126                 if (c&0x80)
 127                         t61=1;
 128                 }
 129         if (t61) return(V_ASN1_T61STRING);
 130         if (ia5) return(V_ASN1_IA5STRING);
 131         return(V_ASN1_PRINTABLESTRING);
 132         }
 133
 134 int ASN1_UNIVERSALSTRING_to_string(s)
 135 ASN1_UNIVERSALSTRING *s;
 136         {
 137         int i;
 138         unsigned char *p;
 139
 140         if (s->type != V_ASN1_UNIVERSALSTRING) return(0);
 141         if ((s->length%4) != 0) return(0);
 142         p=s->data;
 143         for (i=0; i<s->length; i+=4)
 144                 {
 145                 if ((p[0] != '\0') || (p[1] != '\0') || (p[2] != '\0'))
 146                         break;
 147                 else
 148                         p+=4;
 149                 }
 150         if (i < s->length) return(0);
 151         p=s->data;
 152         for (i=3; i<s->length; i+=4)
 153                 {
 154                 *(p++)=s->data[i];
 155                 }
 156         *(p)='\0';
 157         s->length/=4;
 158         s->type=ASN1_PRINTABLE_type(s->data,s->length);
 159         return(1);
 160         }
 161