1 /* crypto/asn1/x_attrib.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 "objects.h" 62 #include "asn1_mac.h" 63 64 /* 65 * ASN1err(ASN1_F_D2I_X509_ATTRIBUTE,ASN1_R_LENGTH_MISMATCH); 66 * ASN1err(ASN1_F_X509_ATTRIBUTE_NEW,ASN1_R_UNKNOWN_ATTRIBUTE_TYPE); 67 * ASN1err(ASN1_F_I2D_X509_ATTRIBUTE,ASN1_R_UNKNOWN_ATTRIBUTE_TYPE); 68 */ 69 70 /* sequence */ 71 int i2d_X509_ATTRIBUTE(a,pp) 72 X509_ATTRIBUTE *a; 73 unsigned char **pp; 74 { 75 int k=0; 76 int r=0,ret=0; 77 unsigned char **p=NULL; 78 79 if (a == NULL) return(0); 80 81 p=NULL; 82 for (;;) 83 { 84 if (k) 85 { 86 r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); 87 if (pp == NULL) return(r); 88 p=pp; 89 ASN1_put_object(p,1,ret,V_ASN1_SEQUENCE, 90 V_ASN1_UNIVERSAL); 91 } 92 93 ret+=i2d_ASN1_OBJECT(a->object,p); 94 if (a->set) 95 ret+=i2d_ASN1_SET(a->value.set,p,i2d_ASN1_TYPE, 96 V_ASN1_SET,V_ASN1_UNIVERSAL); 97 else 98 ret+=i2d_ASN1_TYPE(a->value.single,p); 99 if (k++) return(r); 100 } 101 } 102 103 X509_ATTRIBUTE *d2i_X509_ATTRIBUTE(a,pp,length) 104 X509_ATTRIBUTE **a; 105 unsigned char **pp; 106 long length; 107 { 108 M_ASN1_D2I_vars(a,X509_ATTRIBUTE *,X509_ATTRIBUTE_new); 109 110 M_ASN1_D2I_Init(); 111 M_ASN1_D2I_start_sequence(); 112 M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT); 113 114 if ((c.slen != 0) && 115 (M_ASN1_next == (V_ASN1_CONSTRUCTED|V_ASN1_UNIVERSAL|V_ASN1_SET))) 116 { 117 ret->set=1; 118 M_ASN1_D2I_get_set(ret->value.set,d2i_ASN1_TYPE); 119 } 120 else 121 { 122 ret->set=0; 123 M_ASN1_D2I_get(ret->value.single,d2i_ASN1_TYPE); 124 } 125 126 M_ASN1_D2I_Finish(a,X509_ATTRIBUTE_free,ASN1_F_D2I_X509_ATTRIBUTE); 127 } 128 129 X509_ATTRIBUTE *X509_ATTRIBUTE_new() 130 { 131 X509_ATTRIBUTE *ret=NULL; 132 133 M_ASN1_New_Malloc(ret,X509_ATTRIBUTE); 134 M_ASN1_New(ret->object,ASN1_OBJECT_new); 135 ret->set=0; 136 ret->value.ptr=NULL; 137 return(ret); 138 M_ASN1_New_Error(ASN1_F_X509_ATTRIBUTE_NEW); 139 } 140 141 void X509_ATTRIBUTE_free(a) 142 X509_ATTRIBUTE *a; 143 { 144 if (a == NULL) return; 145 ASN1_OBJECT_free(a->object); 146 if (a->set) 147 sk_pop_free(a->value.set,ASN1_TYPE_free); 148 else 149 ASN1_TYPE_free(a->value.single); 150 Free((char *)a); 151 } 152 153