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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 "lhash.h"
62#include "objects.h"
63#include "x509.h"
64#include "buffer.h"
65
66char *X509_NAME_oneline(a,buf,len)
67X509_NAME *a;
68char *buf;
69int len;
70 {
71 X509_NAME_ENTRY *ne;
72 unsigned int i;
73 int n,lold,l,l1,l2,num,j,type;
74 char *s,*p;
75 unsigned char *q;
76 BUF_MEM *b=NULL;
77 static char hex[17]="0123456789ABCDEF";
78 int gs_doit[4];
79 char tmp_buf[80];
80
81 if (a == NULL) return("NO X509_NAME");
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
90 len--; /* space for '\0' */
91 l=0;
92 for (i=0; (int)i<sk_num(a->entries); i++)
93 {
94 ne=(X509_NAME_ENTRY *)sk_value(a->entries,i);
95 n=OBJ_obj2nid(ne->object);
96 if ((n == NID_undef) || ((s=OBJ_nid2sn(n)) == NULL))
97 {
98 i2t_ASN1_OBJECT(tmp_buf,sizeof(tmp_buf),ne->object);
99 s=tmp_buf;
100 }
101 l1=strlen(s);
102
103 type=ne->value->type;
104 num=ne->value->length;
105 q=ne->value->data;
106
107 if ((type == V_ASN1_GENERALSTRING) && ((num%4) == 0))
108 {
109 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=0;
110 for (j=0; j<num; j++)
111 if (q[j] != 0) gs_doit[j&3]=1;
112
113 if (gs_doit[0]|gs_doit[1]|gs_doit[2])
114 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;
115 else
116 {
117 gs_doit[0]=gs_doit[1]=gs_doit[2]=0;
118 gs_doit[3]=1;
119 }
120 }
121 else
122 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;
123
124 for (l2=j=0; j<num; j++)
125 {
126 if (!gs_doit[j&3]) continue;
127 l2++;
128 if ((q[j] < ' ') || (q[j] > '~')) l2+=3;
129 }
130
131 lold=l;
132 l+=1+l1+1+l2;
133 if (b != NULL)
134 {
135 if (!BUF_MEM_grow(b,l+1)) goto err;
136 p= &(b->data[lold]);
137 }
138 else if (l > len)
139 {
140 break;
141 }
142 else
143 p= &(buf[lold]);
144 *(p++)='/';
145 memcpy(p,s,(unsigned int)l1); p+=l1;
146 *(p++)='=';
147
148 q=ne->value->data;
149
150 for (j=0; j<num; j++)
151 {
152 if (!gs_doit[j&3]) continue;
153 n=q[j];
154 if ((n < ' ') || (n > '~'))
155 {
156 *(p++)='\\';
157 *(p++)='x';
158 *(p++)=hex[(n>>4)&0x0f];
159 *(p++)=hex[n&0x0f];
160 }
161 else
162 *(p++)=n;
163 }
164 *p='\0';
165 }
166 if (b != NULL)
167 {
168 p=b->data;
169 Free((char *)b);
170 }
171 else
172 p=buf;
173 return(p);
174err:
175 X509err(X509_F_X509_NAME_ONELINE,ERR_R_MALLOC_FAILURE);
176 if (b != NULL) BUF_MEM_free(b);
177 return(NULL);
178 }
179