xref: /openbsd/lib/libcrypto/asn1/a_print.c (revision 78b63d65)
1 /* crypto/asn1/a_print.c */
2 /* Copyright (C) 1995-1998 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 <openssl/asn1.h>
62 
63 ASN1_IA5STRING *ASN1_IA5STRING_new(void)
64 { return M_ASN1_IA5STRING_new();}
65 
66 void ASN1_IA5STRING_free(ASN1_IA5STRING *x)
67 { M_ASN1_IA5STRING_free(x);}
68 
69 int i2d_ASN1_IA5STRING(ASN1_IA5STRING *a, unsigned char **pp)
70 	{ return(M_i2d_ASN1_IA5STRING(a,pp)); }
71 
72 ASN1_IA5STRING *d2i_ASN1_IA5STRING(ASN1_IA5STRING **a, unsigned char **pp,
73 	     long l)
74 	{ return(M_d2i_ASN1_IA5STRING(a,pp,l)); }
75 
76 ASN1_T61STRING *ASN1_T61STRING_new(void)
77 { return M_ASN1_T61STRING_new();}
78 
79 void ASN1_T61STRING_free(ASN1_T61STRING *x)
80 { M_ASN1_T61STRING_free(x);}
81 
82 ASN1_T61STRING *d2i_ASN1_T61STRING(ASN1_T61STRING **a, unsigned char **pp,
83 	     long l)
84 	{ return(M_d2i_ASN1_T61STRING(a,pp,l)); }
85 
86 ASN1_PRINTABLESTRING *ASN1_PRINTABLESTRING_new(void)
87 { return M_ASN1_PRINTABLESTRING_new();}
88 
89 void ASN1_PRINTABLESTRING_free(ASN1_PRINTABLESTRING *x)
90 { M_ASN1_PRINTABLESTRING_free(x);}
91 
92 ASN1_PRINTABLESTRING *d2i_ASN1_PRINTABLESTRING(ASN1_PRINTABLESTRING **a,
93 	     unsigned char **pp, long l)
94 	{ return(M_d2i_ASN1_PRINTABLESTRING(a,pp,
95 	     l)); }
96 
97 int i2d_ASN1_PRINTABLESTRING(ASN1_PRINTABLESTRING *a, unsigned char **pp)
98 	{ return(M_i2d_ASN1_PRINTABLESTRING(a,pp)); }
99 
100 int i2d_ASN1_PRINTABLE(ASN1_STRING *a, unsigned char **pp)
101 	{ return(M_i2d_ASN1_PRINTABLE(a,pp)); }
102 
103 ASN1_STRING *d2i_ASN1_PRINTABLE(ASN1_STRING **a, unsigned char **pp,
104 	     long l)
105 	{ return(M_d2i_ASN1_PRINTABLE(a,pp,l)); }
106 
107 int ASN1_PRINTABLE_type(unsigned char *s, int len)
108 	{
109 	int c;
110 	int ia5=0;
111 	int t61=0;
112 
113 	if (len <= 0) len= -1;
114 	if (s == NULL) return(V_ASN1_PRINTABLESTRING);
115 
116 	while ((*s) && (len-- != 0))
117 		{
118 		c= *(s++);
119 #ifndef CHARSET_EBCDIC
120 		if (!(	((c >= 'a') && (c <= 'z')) ||
121 			((c >= 'A') && (c <= 'Z')) ||
122 			(c == ' ') ||
123 			((c >= '0') && (c <= '9')) ||
124 			(c == ' ') || (c == '\'') ||
125 			(c == '(') || (c == ')') ||
126 			(c == '+') || (c == ',') ||
127 			(c == '-') || (c == '.') ||
128 			(c == '/') || (c == ':') ||
129 			(c == '=') || (c == '?')))
130 			ia5=1;
131 		if (c&0x80)
132 			t61=1;
133 #else
134 		if (!isalnum(c) && (c != ' ') &&
135 		    strchr("'()+,-./:=?", c) == NULL)
136 			ia5=1;
137 		if (os_toascii[c] & 0x80)
138 			t61=1;
139 #endif
140 		}
141 	if (t61) return(V_ASN1_T61STRING);
142 	if (ia5) return(V_ASN1_IA5STRING);
143 	return(V_ASN1_PRINTABLESTRING);
144 	}
145 
146 int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s)
147 	{
148 	int i;
149 	unsigned char *p;
150 
151 	if (s->type != V_ASN1_UNIVERSALSTRING) return(0);
152 	if ((s->length%4) != 0) return(0);
153 	p=s->data;
154 	for (i=0; i<s->length; i+=4)
155 		{
156 		if ((p[0] != '\0') || (p[1] != '\0') || (p[2] != '\0'))
157 			break;
158 		else
159 			p+=4;
160 		}
161 	if (i < s->length) return(0);
162 	p=s->data;
163 	for (i=3; i<s->length; i+=4)
164 		{
165 		*(p++)=s->data[i];
166 		}
167 	*(p)='\0';
168 	s->length/=4;
169 	s->type=ASN1_PRINTABLE_type(s->data,s->length);
170 	return(1);
171 	}
172 
173 ASN1_STRING *DIRECTORYSTRING_new(void)
174 { return M_DIRECTORYSTRING_new();}
175 
176 void DIRECTORYSTRING_free(ASN1_STRING *x)
177 { M_DIRECTORYSTRING_free(x);}
178 
179 int i2d_DIRECTORYSTRING(ASN1_STRING *a, unsigned char **pp)
180 	{ return(M_i2d_DIRECTORYSTRING(a,pp)); }
181 
182 ASN1_STRING *d2i_DIRECTORYSTRING(ASN1_STRING **a, unsigned char **pp,
183 	     long l)
184 	{ return(M_d2i_DIRECTORYSTRING(a,pp,l)); }
185 
186 ASN1_STRING *DISPLAYTEXT_new(void)
187 { return M_DISPLAYTEXT_new();}
188 
189 void DISPLAYTEXT_free(ASN1_STRING *x)
190 { M_DISPLAYTEXT_free(x);}
191 
192 int i2d_DISPLAYTEXT(ASN1_STRING *a, unsigned char **pp)
193 	{ return(M_i2d_DISPLAYTEXT(a,pp)); }
194 
195 ASN1_STRING *d2i_DISPLAYTEXT(ASN1_STRING **a, unsigned char **pp,
196 	     long l)
197 	{ return(M_d2i_DISPLAYTEXT(a,pp,l)); }
198