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 66 char *X509_NAME_oneline(a,buf,len) 67 X509_NAME *a; 68 char *buf; 69 int 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); 174 err: 175 X509err(X509_F_X509_NAME_ONELINE,ERR_R_MALLOC_FAILURE); 176 if (b != NULL) BUF_MEM_free(b); 177 return(NULL); 178 } 179 180