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 #include <string.h>
59
60 #include <openssl/buf.h>
61 #include <openssl/err.h>
62 #include <openssl/lhash.h>
63 #include <openssl/mem.h>
64 #include <openssl/obj.h>
65 #include <openssl/x509.h>
66
67
X509_NAME_oneline(X509_NAME * a,char * buf,int len)68 char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
69 {
70 X509_NAME_ENTRY *ne;
71 size_t i;
72 int n,lold,l,l1,l2,num,j,type;
73 const char *s;
74 char *p;
75 unsigned char *q;
76 BUF_MEM *b=NULL;
77 static const char hex[17]="0123456789ABCDEF";
78 int gs_doit[4];
79 char tmp_buf[80];
80
81 if (buf == NULL)
82 {
83 if ((b=BUF_MEM_new()) == NULL) goto err;
84 if (!BUF_MEM_grow(b,200)) goto err;
85 b->data[0]='\0';
86 len=200;
87 }
88 if (a == NULL)
89 {
90 if(b)
91 {
92 buf=b->data;
93 OPENSSL_free(b);
94 }
95 strncpy(buf,"NO X509_NAME",len);
96 buf[len-1]='\0';
97 return buf;
98 }
99
100 len--; /* space for '\0' */
101 l=0;
102 for (i=0; i<sk_X509_NAME_ENTRY_num(a->entries); i++)
103 {
104 ne=sk_X509_NAME_ENTRY_value(a->entries,i);
105 n=OBJ_obj2nid(ne->object);
106 if ((n == NID_undef) || ((s=OBJ_nid2sn(n)) == NULL))
107 {
108 i2t_ASN1_OBJECT(tmp_buf,sizeof(tmp_buf),ne->object);
109 s=tmp_buf;
110 }
111 l1=strlen(s);
112
113 type=ne->value->type;
114 num=ne->value->length;
115 q=ne->value->data;
116
117 if ((type == V_ASN1_GENERALSTRING) && ((num%4) == 0))
118 {
119 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=0;
120 for (j=0; j<num; j++)
121 if (q[j] != 0) gs_doit[j&3]=1;
122
123 if (gs_doit[0]|gs_doit[1]|gs_doit[2])
124 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;
125 else
126 {
127 gs_doit[0]=gs_doit[1]=gs_doit[2]=0;
128 gs_doit[3]=1;
129 }
130 }
131 else
132 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;
133
134 for (l2=j=0; j<num; j++)
135 {
136 if (!gs_doit[j&3]) continue;
137 l2++;
138 if ((q[j] < ' ') || (q[j] > '~')) l2+=3;
139 }
140
141 lold=l;
142 l+=1+l1+1+l2;
143 if (b != NULL)
144 {
145 if (!BUF_MEM_grow(b,l+1)) goto err;
146 p= &(b->data[lold]);
147 }
148 else if (l > len)
149 {
150 break;
151 }
152 else
153 p= &(buf[lold]);
154 *(p++)='/';
155 memcpy(p,s,(unsigned int)l1); p+=l1;
156 *(p++)='=';
157
158 q=ne->value->data;
159
160 for (j=0; j<num; j++)
161 {
162 if (!gs_doit[j&3]) continue;
163 n=q[j];
164 if ((n < ' ') || (n > '~'))
165 {
166 *(p++)='\\';
167 *(p++)='x';
168 *(p++)=hex[(n>>4)&0x0f];
169 *(p++)=hex[n&0x0f];
170 }
171 else
172 *(p++)=n;
173 }
174 *p='\0';
175 }
176 if (b != NULL)
177 {
178 p=b->data;
179 OPENSSL_free(b);
180 }
181 else
182 p=buf;
183 if (i == 0)
184 *p = '\0';
185 return(p);
186 err:
187 OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE);
188 if (b != NULL) BUF_MEM_free(b);
189 return(NULL);
190 }
191
192