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Commit | Line | Data |
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2039c421 | 1 | /* |
a1df06b3 | 2 | * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
365a2d99 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
2039c421 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
25f2138b | 11 | #include "crypto/ctype.h" |
b39fc560 | 12 | #include "internal/cryptlib.h" |
ec577822 | 13 | #include <openssl/asn1.h> |
d02b48c6 | 14 | |
6343829a | 15 | int ASN1_PRINTABLE_type(const unsigned char *s, int len) |
0f113f3e MC |
16 | { |
17 | int c; | |
18 | int ia5 = 0; | |
19 | int t61 = 0; | |
d02b48c6 | 20 | |
0f113f3e MC |
21 | if (len <= 0) |
22 | len = -1; | |
23 | if (s == NULL) | |
26a7d938 | 24 | return V_ASN1_PRINTABLESTRING; |
d02b48c6 | 25 | |
0f113f3e MC |
26 | while ((*s) && (len-- != 0)) { |
27 | c = *(s++); | |
a1df06b3 | 28 | if (!ossl_isasn1print(c)) |
0f113f3e | 29 | ia5 = 1; |
a1df06b3 | 30 | if (!ossl_isascii(c)) |
0f113f3e | 31 | t61 = 1; |
0f113f3e MC |
32 | } |
33 | if (t61) | |
26a7d938 | 34 | return V_ASN1_T61STRING; |
0f113f3e | 35 | if (ia5) |
26a7d938 K |
36 | return V_ASN1_IA5STRING; |
37 | return V_ASN1_PRINTABLESTRING; | |
0f113f3e | 38 | } |
d02b48c6 | 39 | |
6b691a5c | 40 | int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s) |
0f113f3e MC |
41 | { |
42 | int i; | |
43 | unsigned char *p; | |
d02b48c6 | 44 | |
0f113f3e | 45 | if (s->type != V_ASN1_UNIVERSALSTRING) |
26a7d938 | 46 | return 0; |
0f113f3e | 47 | if ((s->length % 4) != 0) |
26a7d938 | 48 | return 0; |
0f113f3e MC |
49 | p = s->data; |
50 | for (i = 0; i < s->length; i += 4) { | |
51 | if ((p[0] != '\0') || (p[1] != '\0') || (p[2] != '\0')) | |
52 | break; | |
53 | else | |
54 | p += 4; | |
55 | } | |
56 | if (i < s->length) | |
26a7d938 | 57 | return 0; |
0f113f3e MC |
58 | p = s->data; |
59 | for (i = 3; i < s->length; i += 4) { | |
60 | *(p++) = s->data[i]; | |
61 | } | |
62 | *(p) = '\0'; | |
63 | s->length /= 4; | |
64 | s->type = ASN1_PRINTABLE_type(s->data, s->length); | |
208fb891 | 65 | return 1; |
0f113f3e | 66 | } |
0d0099ea DSH |
67 | |
68 | int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v) | |
69 | { | |
70 | int i, n; | |
71 | char buf[80]; | |
72 | const char *p; | |
73 | ||
74 | if (v == NULL) | |
26a7d938 | 75 | return 0; |
0d0099ea DSH |
76 | n = 0; |
77 | p = (const char *)v->data; | |
78 | for (i = 0; i < v->length; i++) { | |
79 | if ((p[i] > '~') || ((p[i] < ' ') && | |
80 | (p[i] != '\n') && (p[i] != '\r'))) | |
81 | buf[n] = '.'; | |
82 | else | |
83 | buf[n] = p[i]; | |
84 | n++; | |
85 | if (n >= 80) { | |
86 | if (BIO_write(bp, buf, n) <= 0) | |
26a7d938 | 87 | return 0; |
0d0099ea DSH |
88 | n = 0; |
89 | } | |
90 | } | |
91 | if (n > 0) | |
92 | if (BIO_write(bp, buf, n) <= 0) | |
26a7d938 | 93 | return 0; |
208fb891 | 94 | return 1; |
0d0099ea | 95 | } |