]>
git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/x509/x509_obj.c
1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
59 #include "internal/cryptlib.h"
60 #include <openssl/lhash.h>
61 #include <openssl/objects.h>
62 #include <openssl/x509.h>
63 #include <openssl/buffer.h>
64 #include "internal/x509_int.h"
67 * Limit to ensure we don't overflow: much greater than
68 * anything enountered in practice.
71 #define NAME_ONELINE_MAX (1024 * 1024)
73 char *X509_NAME_oneline(X509_NAME
*a
, char *buf
, int len
)
77 int n
, lold
, l
, l1
, l2
, num
, j
, type
;
82 static const char hex
[17] = "0123456789ABCDEF";
86 unsigned char ebcdic_buf
[1024];
90 if ((b
= BUF_MEM_new()) == NULL
)
92 if (!BUF_MEM_grow(b
, 200))
96 } else if (len
== 0) {
104 strncpy(buf
, "NO X509_NAME", len
);
109 len
--; /* space for '\0' */
111 for (i
= 0; i
< sk_X509_NAME_ENTRY_num(a
->entries
); i
++) {
112 ne
= sk_X509_NAME_ENTRY_value(a
->entries
, i
);
113 n
= OBJ_obj2nid(ne
->object
);
114 if ((n
== NID_undef
) || ((s
= OBJ_nid2sn(n
)) == NULL
)) {
115 i2t_ASN1_OBJECT(tmp_buf
, sizeof(tmp_buf
), ne
->object
);
120 type
= ne
->value
->type
;
121 num
= ne
->value
->length
;
122 if (num
> NAME_ONELINE_MAX
) {
123 X509err(X509_F_X509_NAME_ONELINE
, X509_R_NAME_TOO_LONG
);
127 #ifdef CHARSET_EBCDIC
128 if (type
== V_ASN1_GENERALSTRING
||
129 type
== V_ASN1_VISIBLESTRING
||
130 type
== V_ASN1_PRINTABLESTRING
||
131 type
== V_ASN1_TELETEXSTRING
||
132 type
== V_ASN1_VISIBLESTRING
|| type
== V_ASN1_IA5STRING
) {
133 ascii2ebcdic(ebcdic_buf
, q
, (num
> (int)sizeof(ebcdic_buf
))
134 ? (int)sizeof(ebcdic_buf
) : num
);
139 if ((type
== V_ASN1_GENERALSTRING
) && ((num
% 4) == 0)) {
140 gs_doit
[0] = gs_doit
[1] = gs_doit
[2] = gs_doit
[3] = 0;
141 for (j
= 0; j
< num
; j
++)
145 if (gs_doit
[0] | gs_doit
[1] | gs_doit
[2])
146 gs_doit
[0] = gs_doit
[1] = gs_doit
[2] = gs_doit
[3] = 1;
148 gs_doit
[0] = gs_doit
[1] = gs_doit
[2] = 0;
152 gs_doit
[0] = gs_doit
[1] = gs_doit
[2] = gs_doit
[3] = 1;
154 for (l2
= j
= 0; j
< num
; j
++) {
158 #ifndef CHARSET_EBCDIC
159 if ((q
[j
] < ' ') || (q
[j
] > '~'))
162 if ((os_toascii
[q
[j
]] < os_toascii
[' ']) ||
163 (os_toascii
[q
[j
]] > os_toascii
['~']))
169 l
+= 1 + l1
+ 1 + l2
;
170 if (l
> NAME_ONELINE_MAX
) {
171 X509err(X509_F_X509_NAME_ONELINE
, X509_R_NAME_TOO_LONG
);
175 if (!BUF_MEM_grow(b
, l
+ 1))
177 p
= &(b
->data
[lold
]);
178 } else if (l
> len
) {
183 memcpy(p
, s
, (unsigned int)l1
);
187 #ifndef CHARSET_EBCDIC /* q was assigned above already. */
191 for (j
= 0; j
< num
; j
++) {
194 #ifndef CHARSET_EBCDIC
196 if ((n
< ' ') || (n
> '~')) {
199 *(p
++) = hex
[(n
>> 4) & 0x0f];
200 *(p
++) = hex
[n
& 0x0f];
204 n
= os_toascii
[q
[j
]];
205 if ((n
< os_toascii
[' ']) || (n
> os_toascii
['~'])) {
208 *(p
++) = hex
[(n
>> 4) & 0x0f];
209 *(p
++) = hex
[n
& 0x0f];
225 X509err(X509_F_X509_NAME_ONELINE
, ERR_R_MALLOC_FAILURE
);