Line data Source code
1 : /* crypto/x509/x509_obj.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/lhash.h>
62 : #include <openssl/objects.h>
63 : #include <openssl/x509.h>
64 : #include <openssl/buffer.h>
65 :
66 1681 : char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
67 : {
68 : X509_NAME_ENTRY *ne;
69 : int i;
70 : int n, lold, l, l1, l2, num, j, type;
71 : const char *s;
72 : char *p;
73 : unsigned char *q;
74 : BUF_MEM *b = NULL;
75 : static const char hex[17] = "0123456789ABCDEF";
76 : int gs_doit[4];
77 : char tmp_buf[80];
78 : #ifdef CHARSET_EBCDIC
79 : char ebcdic_buf[1024];
80 : #endif
81 :
82 1681 : if (buf == NULL) {
83 1681 : if ((b = BUF_MEM_new()) == NULL)
84 : goto err;
85 1681 : if (!BUF_MEM_grow(b, 200))
86 : goto err;
87 1681 : b->data[0] = '\0';
88 : len = 200;
89 : }
90 1681 : if (a == NULL) {
91 0 : if (b) {
92 0 : buf = b->data;
93 0 : OPENSSL_free(b);
94 : }
95 0 : strncpy(buf, "NO X509_NAME", len);
96 0 : buf[len - 1] = '\0';
97 0 : return buf;
98 : }
99 :
100 : len--; /* space for '\0' */
101 : l = 0;
102 7969 : for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
103 7969 : ne = sk_X509_NAME_ENTRY_value(a->entries, i);
104 7969 : n = OBJ_obj2nid(ne->object);
105 7969 : if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
106 0 : i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
107 : s = tmp_buf;
108 : }
109 7969 : l1 = strlen(s);
110 :
111 7969 : type = ne->value->type;
112 7969 : num = ne->value->length;
113 7969 : q = ne->value->data;
114 : #ifdef CHARSET_EBCDIC
115 : if (type == V_ASN1_GENERALSTRING ||
116 : type == V_ASN1_VISIBLESTRING ||
117 : type == V_ASN1_PRINTABLESTRING ||
118 : type == V_ASN1_TELETEXSTRING ||
119 : type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) {
120 : ascii2ebcdic(ebcdic_buf, q, (num > sizeof ebcdic_buf)
121 : ? sizeof ebcdic_buf : num);
122 : q = ebcdic_buf;
123 : }
124 : #endif
125 :
126 7969 : if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
127 0 : gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
128 0 : for (j = 0; j < num; j++)
129 0 : if (q[j] != 0)
130 0 : gs_doit[j & 3] = 1;
131 :
132 0 : if (gs_doit[0] | gs_doit[1] | gs_doit[2])
133 0 : gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
134 : else {
135 0 : gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
136 0 : gs_doit[3] = 1;
137 : }
138 : } else
139 7969 : gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
140 :
141 82303 : for (l2 = j = 0; j < num; j++) {
142 74334 : if (!gs_doit[j & 3])
143 0 : continue;
144 74334 : l2++;
145 : #ifndef CHARSET_EBCDIC
146 74334 : if ((q[j] < ' ') || (q[j] > '~'))
147 0 : l2 += 3;
148 : #else
149 : if ((os_toascii[q[j]] < os_toascii[' ']) ||
150 : (os_toascii[q[j]] > os_toascii['~']))
151 : l2 += 3;
152 : #endif
153 : }
154 :
155 : lold = l;
156 7969 : l += 1 + l1 + 1 + l2;
157 7969 : if (b != NULL) {
158 7969 : if (!BUF_MEM_grow(b, l + 1))
159 : goto err;
160 7969 : p = &(b->data[lold]);
161 0 : } else if (l > len) {
162 : break;
163 : } else
164 0 : p = &(buf[lold]);
165 7969 : *(p++) = '/';
166 7969 : memcpy(p, s, (unsigned int)l1);
167 7969 : p += l1;
168 7969 : *(p++) = '=';
169 :
170 : #ifndef CHARSET_EBCDIC /* q was assigned above already. */
171 7969 : q = ne->value->data;
172 : #endif
173 :
174 82303 : for (j = 0; j < num; j++) {
175 74334 : if (!gs_doit[j & 3])
176 0 : continue;
177 : #ifndef CHARSET_EBCDIC
178 74334 : n = q[j];
179 74334 : if ((n < ' ') || (n > '~')) {
180 0 : *(p++) = '\\';
181 0 : *(p++) = 'x';
182 0 : *(p++) = hex[(n >> 4) & 0x0f];
183 0 : *(p++) = hex[n & 0x0f];
184 : } else
185 74334 : *(p++) = n;
186 : #else
187 : n = os_toascii[q[j]];
188 : if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
189 : *(p++) = '\\';
190 : *(p++) = 'x';
191 : *(p++) = hex[(n >> 4) & 0x0f];
192 : *(p++) = hex[n & 0x0f];
193 : } else
194 : *(p++) = q[j];
195 : #endif
196 : }
197 7969 : *p = '\0';
198 : }
199 1681 : if (b != NULL) {
200 1681 : p = b->data;
201 1681 : OPENSSL_free(b);
202 : } else
203 : p = buf;
204 1681 : if (i == 0)
205 0 : *p = '\0';
206 1681 : return (p);
207 : err:
208 0 : X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
209 0 : if (b != NULL)
210 0 : BUF_MEM_free(b);
211 : return (NULL);
212 : }
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