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diff --git a/src/lib/libcrypto/asn1/x_x509.c b/src/lib/libcrypto/asn1/x_x509.c
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1/* crypto/asn1/x_x509.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/evp.h>
62#include <openssl/asn1_mac.h>
63#include <openssl/x509.h>
64
65static int x509_meth_num = 0;
66static STACK_OF(CRYPTO_EX_DATA_FUNCS) *x509_meth = NULL;
67
68static ASN1_METHOD meth={
69 (int (*)()) i2d_X509,
70 (char *(*)())d2i_X509,
71 (char *(*)())X509_new,
72 (void (*)()) X509_free};
73
74ASN1_METHOD *X509_asn1_meth(void)
75 {
76 return(&meth);
77 }
78
79int i2d_X509(X509 *a, unsigned char **pp)
80 {
81 M_ASN1_I2D_vars(a);
82
83 M_ASN1_I2D_len(a->cert_info, i2d_X509_CINF);
84 M_ASN1_I2D_len(a->sig_alg, i2d_X509_ALGOR);
85 M_ASN1_I2D_len(a->signature, i2d_ASN1_BIT_STRING);
86
87 M_ASN1_I2D_seq_total();
88
89 M_ASN1_I2D_put(a->cert_info, i2d_X509_CINF);
90 M_ASN1_I2D_put(a->sig_alg, i2d_X509_ALGOR);
91 M_ASN1_I2D_put(a->signature, i2d_ASN1_BIT_STRING);
92
93 M_ASN1_I2D_finish();
94 }
95
96X509 *d2i_X509(X509 **a, unsigned char **pp, long length)
97 {
98 M_ASN1_D2I_vars(a,X509 *,X509_new);
99
100 M_ASN1_D2I_Init();
101 M_ASN1_D2I_start_sequence();
102 M_ASN1_D2I_get(ret->cert_info,d2i_X509_CINF);
103 M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
104 M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
105 if (ret->name != NULL) Free(ret->name);
106 ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);
107
108 M_ASN1_D2I_Finish(a,X509_free,ASN1_F_D2I_X509);
109 }
110
111X509 *X509_new(void)
112 {
113 X509 *ret=NULL;
114 ASN1_CTX c;
115
116 M_ASN1_New_Malloc(ret,X509);
117 ret->references=1;
118 ret->valid=0;
119 ret->ex_flags = 0;
120 ret->name=NULL;
121 ret->aux=NULL;
122 M_ASN1_New(ret->cert_info,X509_CINF_new);
123 M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
124 M_ASN1_New(ret->signature,M_ASN1_BIT_STRING_new);
125 CRYPTO_new_ex_data(x509_meth, ret, &ret->ex_data);
126 return(ret);
127 M_ASN1_New_Error(ASN1_F_X509_NEW);
128 }
129
130void X509_free(X509 *a)
131 {
132 int i;
133
134 if (a == NULL) return;
135
136 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509);
137#ifdef REF_PRINT
138 REF_PRINT("X509",a);
139#endif
140 if (i > 0) return;
141#ifdef REF_CHECK
142 if (i < 0)
143 {
144 fprintf(stderr,"X509_free, bad reference count\n");
145 abort();
146 }
147#endif
148
149 CRYPTO_free_ex_data(x509_meth,a,&a->ex_data);
150 X509_CINF_free(a->cert_info);
151 X509_ALGOR_free(a->sig_alg);
152 M_ASN1_BIT_STRING_free(a->signature);
153 X509_CERT_AUX_free(a->aux);
154
155 if (a->name != NULL) Free(a->name);
156 Free(a);
157 }
158
159int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
160 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
161 {
162 x509_meth_num++;
163 return(CRYPTO_get_ex_new_index(x509_meth_num-1,
164 &x509_meth,argl,argp,new_func,dup_func,free_func));
165 }
166
167int X509_set_ex_data(X509 *r, int idx, void *arg)
168 {
169 return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
170 }
171
172void *X509_get_ex_data(X509 *r, int idx)
173 {
174 return(CRYPTO_get_ex_data(&r->ex_data,idx));
175 }
176
177/* X509_AUX ASN1 routines. X509_AUX is the name given to
178 * a certificate with extra info tagged on the end. Since these
179 * functions set how a certificate is trusted they should only
180 * be used when the certificate comes from a reliable source
181 * such as local storage.
182 *
183 */
184
185X509 *d2i_X509_AUX(X509 **a, unsigned char **pp, long length)
186{
187 unsigned char *q;
188 X509 *ret;
189 /* Save start position */
190 q = *pp;
191 ret = d2i_X509(a, pp, length);
192 /* If certificate unreadable then forget it */
193 if(!ret) return NULL;
194 /* update length */
195 length -= *pp - q;
196 if(!length) return ret;
197 if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;
198 return ret;
199 err:
200 X509_free(ret);
201 return NULL;
202}
203
204int i2d_X509_AUX(X509 *a, unsigned char **pp)
205{
206 int length;
207 length = i2d_X509(a, pp);
208 if(a) length += i2d_X509_CERT_AUX(a->aux, pp);
209 return length;
210}
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