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58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
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. | |
0f113f3e | 7 | * |
d02b48c6 RE |
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). | |
0f113f3e | 14 | * |
d02b48c6 RE |
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. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
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 :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
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 | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
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.] | |
56 | */ | |
57 | ||
58 | #include <stdio.h> | |
b39fc560 | 59 | #include "internal/cryptlib.h" |
ec577822 BM |
60 | #include <openssl/lhash.h> |
61 | #include <openssl/objects.h> | |
62 | #include <openssl/x509.h> | |
63 | #include <openssl/buffer.h> | |
2743e38c | 64 | #include "internal/x509_int.h" |
d02b48c6 | 65 | |
77076dc9 DSH |
66 | /* |
67 | * Limit to ensure we don't overflow: much greater than | |
68 | * anything enountered in practice. | |
69 | */ | |
70 | ||
71 | #define NAME_ONELINE_MAX (1024 * 1024) | |
72 | ||
6b691a5c | 73 | char *X509_NAME_oneline(X509_NAME *a, char *buf, int len) |
0f113f3e MC |
74 | { |
75 | X509_NAME_ENTRY *ne; | |
76 | int i; | |
77 | int n, lold, l, l1, l2, num, j, type; | |
78 | const char *s; | |
79 | char *p; | |
80 | unsigned char *q; | |
81 | BUF_MEM *b = NULL; | |
82 | static const char hex[17] = "0123456789ABCDEF"; | |
83 | int gs_doit[4]; | |
84 | char tmp_buf[80]; | |
a53955d8 | 85 | #ifdef CHARSET_EBCDIC |
4cd5c3f4 | 86 | unsigned char ebcdic_buf[1024]; |
a53955d8 | 87 | #endif |
d02b48c6 | 88 | |
0f113f3e MC |
89 | if (buf == NULL) { |
90 | if ((b = BUF_MEM_new()) == NULL) | |
91 | goto err; | |
92 | if (!BUF_MEM_grow(b, 200)) | |
93 | goto err; | |
94 | b->data[0] = '\0'; | |
95 | len = 200; | |
b33d1141 DSH |
96 | } else if (len == 0) { |
97 | return NULL; | |
0f113f3e MC |
98 | } |
99 | if (a == NULL) { | |
100 | if (b) { | |
101 | buf = b->data; | |
102 | OPENSSL_free(b); | |
103 | } | |
104 | strncpy(buf, "NO X509_NAME", len); | |
105 | buf[len - 1] = '\0'; | |
106 | return buf; | |
107 | } | |
d02b48c6 | 108 | |
0f113f3e MC |
109 | len--; /* space for '\0' */ |
110 | l = 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); | |
116 | s = tmp_buf; | |
117 | } | |
118 | l1 = strlen(s); | |
d02b48c6 | 119 | |
0f113f3e MC |
120 | type = ne->value->type; |
121 | num = ne->value->length; | |
77076dc9 DSH |
122 | if (num > NAME_ONELINE_MAX) { |
123 | X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG); | |
124 | goto end; | |
125 | } | |
0f113f3e | 126 | q = ne->value->data; |
a53955d8 | 127 | #ifdef CHARSET_EBCDIC |
0f113f3e MC |
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) { | |
ea96ad5a MC |
133 | if (num > (int)sizeof(ebcdic_buf)) |
134 | num = sizeof(ebcdic_buf); | |
135 | ascii2ebcdic(ebcdic_buf, q, num); | |
0f113f3e MC |
136 | q = ebcdic_buf; |
137 | } | |
a53955d8 | 138 | #endif |
d02b48c6 | 139 | |
0f113f3e MC |
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++) | |
143 | if (q[j] != 0) | |
144 | gs_doit[j & 3] = 1; | |
d02b48c6 | 145 | |
0f113f3e MC |
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; | |
148 | else { | |
149 | gs_doit[0] = gs_doit[1] = gs_doit[2] = 0; | |
150 | gs_doit[3] = 1; | |
151 | } | |
152 | } else | |
153 | gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; | |
d02b48c6 | 154 | |
0f113f3e MC |
155 | for (l2 = j = 0; j < num; j++) { |
156 | if (!gs_doit[j & 3]) | |
157 | continue; | |
158 | l2++; | |
a53955d8 | 159 | #ifndef CHARSET_EBCDIC |
0f113f3e MC |
160 | if ((q[j] < ' ') || (q[j] > '~')) |
161 | l2 += 3; | |
a53955d8 | 162 | #else |
0f113f3e MC |
163 | if ((os_toascii[q[j]] < os_toascii[' ']) || |
164 | (os_toascii[q[j]] > os_toascii['~'])) | |
165 | l2 += 3; | |
a53955d8 | 166 | #endif |
0f113f3e | 167 | } |
d02b48c6 | 168 | |
0f113f3e MC |
169 | lold = l; |
170 | l += 1 + l1 + 1 + l2; | |
77076dc9 DSH |
171 | if (l > NAME_ONELINE_MAX) { |
172 | X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG); | |
173 | goto end; | |
174 | } | |
0f113f3e MC |
175 | if (b != NULL) { |
176 | if (!BUF_MEM_grow(b, l + 1)) | |
177 | goto err; | |
178 | p = &(b->data[lold]); | |
179 | } else if (l > len) { | |
180 | break; | |
181 | } else | |
182 | p = &(buf[lold]); | |
183 | *(p++) = '/'; | |
184 | memcpy(p, s, (unsigned int)l1); | |
185 | p += l1; | |
186 | *(p++) = '='; | |
d02b48c6 | 187 | |
0f113f3e MC |
188 | #ifndef CHARSET_EBCDIC /* q was assigned above already. */ |
189 | q = ne->value->data; | |
a53955d8 | 190 | #endif |
d02b48c6 | 191 | |
0f113f3e MC |
192 | for (j = 0; j < num; j++) { |
193 | if (!gs_doit[j & 3]) | |
194 | continue; | |
a53955d8 | 195 | #ifndef CHARSET_EBCDIC |
0f113f3e MC |
196 | n = q[j]; |
197 | if ((n < ' ') || (n > '~')) { | |
198 | *(p++) = '\\'; | |
199 | *(p++) = 'x'; | |
200 | *(p++) = hex[(n >> 4) & 0x0f]; | |
201 | *(p++) = hex[n & 0x0f]; | |
202 | } else | |
203 | *(p++) = n; | |
a53955d8 | 204 | #else |
0f113f3e MC |
205 | n = os_toascii[q[j]]; |
206 | if ((n < os_toascii[' ']) || (n > os_toascii['~'])) { | |
207 | *(p++) = '\\'; | |
208 | *(p++) = 'x'; | |
209 | *(p++) = hex[(n >> 4) & 0x0f]; | |
210 | *(p++) = hex[n & 0x0f]; | |
211 | } else | |
212 | *(p++) = q[j]; | |
a53955d8 | 213 | #endif |
0f113f3e MC |
214 | } |
215 | *p = '\0'; | |
216 | } | |
217 | if (b != NULL) { | |
218 | p = b->data; | |
219 | OPENSSL_free(b); | |
220 | } else | |
221 | p = buf; | |
222 | if (i == 0) | |
223 | *p = '\0'; | |
224 | return (p); | |
225 | err: | |
226 | X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE); | |
77076dc9 | 227 | end: |
25aaa98a | 228 | BUF_MEM_free(b); |
0f113f3e MC |
229 | return (NULL); |
230 | } |