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