Branch data Line data Source code
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 : 2 : int ASN1_PRINTABLE_type(const unsigned char *s, int len)
64 : : {
65 : : int c;
66 : 2 : int ia5=0;
67 : 2 : int t61=0;
68 : :
69 [ - + ]: 2 : if (len <= 0) len= -1;
70 [ + - ]: 2 : if (s == NULL) return(V_ASN1_PRINTABLESTRING);
71 : :
72 [ + + ][ + - ]: 6 : while ((*s) && (len-- != 0))
73 : : {
74 : 4 : c= *(s++);
75 : : #ifndef CHARSET_EBCDIC
76 [ - + ][ # # ]: 4 : if (!( ((c >= 'a') && (c <= 'z')) ||
77 [ # # ]: 0 : ((c >= 'A') && (c <= 'Z')) ||
78 [ # # ]: 0 : (c == ' ') ||
79 : 0 : ((c >= '0') && (c <= '9')) ||
80 [ # # ]: 0 : (c == ' ') || (c == '\'') ||
81 [ # # ]: 0 : (c == '(') || (c == ')') ||
82 [ # # ]: 0 : (c == '+') || (c == ',') ||
83 [ # # ]: 0 : (c == '-') || (c == '.') ||
84 [ # # ]: 0 : (c == '/') || (c == ':') ||
85 : 0 : (c == '=') || (c == '?')))
86 : 0 : ia5=1;
87 [ - + ]: 4 : if (c&0x80)
88 : 4 : t61=1;
89 : : #else
90 : : if (!isalnum(c) && (c != ' ') &&
91 : : strchr("'()+,-./:=?", c) == NULL)
92 : : ia5=1;
93 : : if (os_toascii[c] & 0x80)
94 : : t61=1;
95 : : #endif
96 : : }
97 [ + - ]: 2 : if (t61) return(V_ASN1_T61STRING);
98 [ + - ]: 2 : if (ia5) return(V_ASN1_IA5STRING);
99 : 2 : return(V_ASN1_PRINTABLESTRING);
100 : : }
101 : :
102 : 0 : int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s)
103 : : {
104 : : int i;
105 : : unsigned char *p;
106 : :
107 [ # # ]: 0 : if (s->type != V_ASN1_UNIVERSALSTRING) return(0);
108 [ # # ]: 0 : if ((s->length%4) != 0) return(0);
109 : 0 : p=s->data;
110 [ # # ]: 0 : for (i=0; i<s->length; i+=4)
111 : : {
112 [ # # ][ # # ]: 0 : if ((p[0] != '\0') || (p[1] != '\0') || (p[2] != '\0'))
[ # # ]
113 : : break;
114 : : else
115 : 0 : p+=4;
116 : : }
117 [ # # ]: 0 : if (i < s->length) return(0);
118 : : p=s->data;
119 [ # # ]: 0 : for (i=3; i<s->length; i+=4)
120 : : {
121 : 0 : *(p++)=s->data[i];
122 : : }
123 : 0 : *(p)='\0';
124 : 0 : s->length/=4;
125 : 0 : s->type=ASN1_PRINTABLE_type(s->data,s->length);
126 : 0 : return(1);
127 : : }
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