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 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 if (buf == NULL)
83 {
84 if ((b=BUF_MEM_new()) == NULL) goto err;
85 if (!BUF_MEM_grow(b,200)) goto err;
86 b->data[0]='\0';
87 len=200;
88 }
89 if (a == NULL)
90 {
91 if(b)
92 {
93 buf=b->data;
94 OPENSSL_free(b);
95 }
96 strncpy(buf,"NO X509_NAME",len);
97 buf[len-1]='\0';
98 return buf;
99 }
100
101 len--; /* space for '\0' */
102 l=0;
103 for (i=0; i<sk_X509_NAME_ENTRY_num(a->entries); i++)
104 {
105 ne=sk_X509_NAME_ENTRY_value(a->entries,i);
106 n=OBJ_obj2nid(ne->object);
107 if ((n == NID_undef) || ((s=OBJ_nid2sn(n)) == NULL))
108 {
109 i2t_ASN1_OBJECT(tmp_buf,sizeof(tmp_buf),ne->object);
110 s=tmp_buf;
111 }
112 l1=strlen(s);
113
114 type=ne->value->type;
115 num=ne->value->length;
116 q=ne->value->data;
117 #ifdef CHARSET_EBCDIC
118 if (type == V_ASN1_GENERALSTRING ||
119 type == V_ASN1_VISIBLESTRING ||
120 type == V_ASN1_PRINTABLESTRING ||
121 type == V_ASN1_TELETEXSTRING ||
122 type == V_ASN1_VISIBLESTRING ||
123 type == V_ASN1_IA5STRING) {
124 ascii2ebcdic(ebcdic_buf, q,
125 (num > sizeof ebcdic_buf)
126 ? sizeof ebcdic_buf : num);
127 q=ebcdic_buf;
128 }
129 #endif
130
131 if ((type == V_ASN1_GENERALSTRING) && ((num%4) == 0))
132 {
133 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=0;
134 for (j=0; j<num; j++)
135 if (q[j] != 0) gs_doit[j&3]=1;
136
137 if (gs_doit[0]|gs_doit[1]|gs_doit[2])
138 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;
139 else
140 {
141 gs_doit[0]=gs_doit[1]=gs_doit[2]=0;
142 gs_doit[3]=1;
143 }
144 }
145 else
146 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;
147
148 for (l2=j=0; j<num; j++)
149 {
150 if (!gs_doit[j&3]) continue;
151 l2++;
152 #ifndef CHARSET_EBCDIC
153 if ((q[j] < ' ') || (q[j] > '~')) l2+=3;
154 #else
155 if ((os_toascii[q[j]] < os_toascii[' ']) ||
156 (os_toascii[q[j]] > os_toascii['~'])) l2+=3;
157 #endif
158 }
159
160 lold=l;
161 l+=1+l1+1+l2;
162 if (b != NULL)
163 {
164 if (!BUF_MEM_grow(b,l+1)) goto err;
165 p= &(b->data[lold]);
166 }
167 else if (l > len)
168 {
169 break;
170 }
171 else
172 p= &(buf[lold]);
173 *(p++)='/';
174 memcpy(p,s,(unsigned int)l1); p+=l1;
175 *(p++)='=';
176
177 #ifndef CHARSET_EBCDIC /* q was assigned above already. */
178 q=ne->value->data;
179 #endif
180
181 for (j=0; j<num; j++)
182 {
183 if (!gs_doit[j&3]) continue;
184 #ifndef CHARSET_EBCDIC
185 n=q[j];
186 if ((n < ' ') || (n > '~'))
187 {
188 *(p++)='\\';
189 *(p++)='x';
190 *(p++)=hex[(n>>4)&0x0f];
191 *(p++)=hex[n&0x0f];
192 }
193 else
194 *(p++)=n;
195 #else
196 n=os_toascii[q[j]];
197 if ((n < os_toascii[' ']) ||
198 (n > os_toascii['~']))
199 {
200 *(p++)='\\';
201 *(p++)='x';
202 *(p++)=hex[(n>>4)&0x0f];
203 *(p++)=hex[n&0x0f];
204 }
205 else
206 *(p++)=q[j];
207 #endif
208 }
209 *p='\0';
210 }
211 if (b != NULL)
212 {
213 p=b->data;
214 OPENSSL_free(b);
215 }
216 else
217 p=buf;
218 if (i == 0)
219 *p = '\0';
220 return(p);
221 err:
222 X509err(X509_F_X509_NAME_ONELINE,ERR_R_MALLOC_FAILURE);
223 if (b != NULL) BUF_MEM_free(b);
224 return(NULL);
225 }