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 79 if (buf == NULL) 80 { 81 if ((b=BUF_MEM_new()) == NULL) goto err; 82 if (!BUF_MEM_grow(b,200)) goto err; 83 b->data[0]='\0'; 84 len=200; 85 } 86 if (a == NULL) 87 { 88 if(b) 89 { 90 buf=b->data; 91 free(b); 92 } 93 strlcpy(buf,"NO X509_NAME",len); 94 return buf; 95 } 96 97 len--; /* space for '\0' */ 98 l=0; 99 for (i=0; i<sk_X509_NAME_ENTRY_num(a->entries); i++) 100 { 101 ne=sk_X509_NAME_ENTRY_value(a->entries,i); 102 n=OBJ_obj2nid(ne->object); 103 if ((n == NID_undef) || ((s=OBJ_nid2sn(n)) == NULL)) 104 { 105 i2t_ASN1_OBJECT(tmp_buf,sizeof(tmp_buf),ne->object); 106 s=tmp_buf; 107 } 108 l1=strlen(s); 109 110 type=ne->value->type; 111 num=ne->value->length; 112 q=ne->value->data; 113 if ((type == V_ASN1_GENERALSTRING) && ((num%4) == 0)) 114 { 115 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=0; 116 for (j=0; j<num; j++) 117 if (q[j] != 0) gs_doit[j&3]=1; 118 119 if (gs_doit[0]|gs_doit[1]|gs_doit[2]) 120 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1; 121 else 122 { 123 gs_doit[0]=gs_doit[1]=gs_doit[2]=0; 124 gs_doit[3]=1; 125 } 126 } 127 else 128 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1; 129 130 for (l2=j=0; j<num; j++) 131 { 132 if (!gs_doit[j&3]) continue; 133 l2++; 134 if ((q[j] < ' ') || (q[j] > '~')) l2+=3; 135 } 136 137 lold=l; 138 l+=1+l1+1+l2; 139 if (b != NULL) 140 { 141 if (!BUF_MEM_grow(b,l+1)) goto err; 142 p= &(b->data[lold]); 143 } 144 else if (l > len) 145 { 146 break; 147 } 148 else 149 p= &(buf[lold]); 150 *(p++)='/'; 151 memcpy(p,s,(unsigned int)l1); p+=l1; 152 *(p++)='='; 153 q=ne->value->data; 154 for (j=0; j<num; j++) 155 { 156 if (!gs_doit[j&3]) continue; 157 n=q[j]; 158 if ((n < ' ') || (n > '~')) 159 { 160 *(p++)='\\'; 161 *(p++)='x'; 162 *(p++)=hex[(n>>4)&0x0f]; 163 *(p++)=hex[n&0x0f]; 164 } 165 else 166 *(p++)=n; 167 } 168 *p='\0'; 169 } 170 if (b != NULL) 171 { 172 p=b->data; 173 free(b); 174 } 175 else 176 p=buf; 177 if (i == 0) 178 *p = '\0'; 179 return(p); 180 err: 181 X509err(X509_F_X509_NAME_ONELINE,ERR_R_MALLOC_FAILURE); 182 if (b != NULL) BUF_MEM_free(b); 183 return(NULL); 184 } 185 186