1 /* crypto/x509/x509_obj.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 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
