1 /* crypto/x509/x509_obj.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
61 #include <openssl/lhash.h>
62 #include <openssl/objects.h>
63 #include <openssl/x509.h>
64 #include <openssl/buffer.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 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_IA5STRING) {
133 if (num > (int)sizeof(ebcdic_buf))
134 num = sizeof(ebcdic_buf);
135 ascii2ebcdic(ebcdic_buf, q, num);
140 if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
141 gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
142 for (j = 0; j < num; j++)
146 if (gs_doit[0] | gs_doit[1] | gs_doit[2])
147 gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
149 gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
153 gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
155 for (l2 = j = 0; j < num; j++) {
159 #ifndef CHARSET_EBCDIC
160 if ((q[j] < ' ') || (q[j] > '~'))
163 if ((os_toascii[q[j]] < os_toascii[' ']) ||
164 (os_toascii[q[j]] > os_toascii['~']))
170 l += 1 + l1 + 1 + l2;
171 if (l > NAME_ONELINE_MAX) {
172 X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
176 if (!BUF_MEM_grow(b, l + 1))
178 p = &(b->data[lold]);
179 } else if (l > len) {
184 memcpy(p, s, (unsigned int)l1);
188 #ifndef CHARSET_EBCDIC /* q was assigned above already. */
192 for (j = 0; j < num; j++) {
195 #ifndef CHARSET_EBCDIC
197 if ((n < ' ') || (n > '~')) {
200 *(p++) = hex[(n >> 4) & 0x0f];
201 *(p++) = hex[n & 0x0f];
205 n = os_toascii[q[j]];
206 if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
209 *(p++) = hex[(n >> 4) & 0x0f];
210 *(p++) = hex[n & 0x0f];
226 X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);