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 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 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 #ifdef CHARSET_EBCDIC 117 if (type == V_ASN1_GENERALSTRING || 118 type == V_ASN1_VISIBLESTRING || 119 type == V_ASN1_PRINTABLESTRING || 120 type == V_ASN1_TELETEXSTRING || 121 type == V_ASN1_VISIBLESTRING || 122 type == V_ASN1_IA5STRING) { 123 ascii2ebcdic(ebcdic_buf, q, 124 (num > sizeof ebcdic_buf) 125 ? sizeof ebcdic_buf : num); 126 q=ebcdic_buf; 127 } 128 #endif 129 130 if ((type == V_ASN1_GENERALSTRING) && ((num%4) == 0)) 131 { 132 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=0; 133 for (j=0; j<num; j++) 134 if (q[j] != 0) gs_doit[j&3]=1; 135 136 if (gs_doit[0]|gs_doit[1]|gs_doit[2]) 137 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1; 138 else 139 { 140 gs_doit[0]=gs_doit[1]=gs_doit[2]=0; 141 gs_doit[3]=1; 142 } 143 } 144 else 145 gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1; 146 147 for (l2=j=0; j<num; j++) 148 { 149 if (!gs_doit[j&3]) continue; 150 l2++; 151 #ifndef CHARSET_EBCDIC 152 if ((q[j] < ' ') || (q[j] > '~')) l2+=3; 153 #else 154 if ((os_toascii[q[j]] < os_toascii[' ']) || 155 (os_toascii[q[j]] > os_toascii['~'])) l2+=3; 156 #endif 157 } 158 159 lold=l; 160 l+=1+l1+1+l2; 161 if (b != NULL) 162 { 163 if (!BUF_MEM_grow(b,l+1)) goto err; 164 p= &(b->data[lold]); 165 } 166 else if (l > len) 167 { 168 break; 169 } 170 else 171 p= &(buf[lold]); 172 *(p++)='/'; 173 memcpy(p,s,(unsigned int)l1); p+=l1; 174 *(p++)='='; 175 176 #ifndef CHARSET_EBCDIC /* q was assigned above already. */ 177 q=ne->value->data; 178 #endif 179 180 for (j=0; j<num; j++) 181 { 182 if (!gs_doit[j&3]) continue; 183 #ifndef CHARSET_EBCDIC 184 n=q[j]; 185 if ((n < ' ') || (n > '~')) 186 { 187 *(p++)='\\'; 188 *(p++)='x'; 189 *(p++)=hex[(n>>4)&0x0f]; 190 *(p++)=hex[n&0x0f]; 191 } 192 else 193 *(p++)=n; 194 #else 195 n=os_toascii[q[j]]; 196 if ((n < os_toascii[' ']) || 197 (n > os_toascii['~'])) 198 { 199 *(p++)='\\'; 200 *(p++)='x'; 201 *(p++)=hex[(n>>4)&0x0f]; 202 *(p++)=hex[n&0x0f]; 203 } 204 else 205 *(p++)=q[j]; 206 #endif 207 } 208 *p='\0'; 209 } 210 if (b != NULL) 211 { 212 p=b->data; 213 OPENSSL_free(b); 214 } 215 else 216 p=buf; 217 if (i == 0) 218 *p = '\0'; 219 return(p); 220 err: 221 X509err(X509_F_X509_NAME_ONELINE,ERR_R_MALLOC_FAILURE); 222 if (b != NULL) BUF_MEM_free(b); 223 return(NULL); 224 } 225 226