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d02b48c6 | 1 | /* crypto/asn1/x_exten.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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 | /* | |
dfeab068 RE |
65 | * ASN1err(ASN1_F_D2I_X509_EXTENSION,ERR_R_ASN1_LENGTH_MISMATCH); |
66 | * ASN1err(ASN1_F_X509_EXTENSION_NEW,ERR_R_ASN1_LENGTH_MISMATCH); | |
d02b48c6 RE |
67 | */ |
68 | ||
6b691a5c | 69 | int i2d_X509_EXTENSION(X509_EXTENSION *a, unsigned char **pp) |
d02b48c6 RE |
70 | { |
71 | int k=0; | |
72 | int r=0,ret=0; | |
73 | unsigned char **p=NULL; | |
74 | ||
75 | if (a == NULL) return(0); | |
76 | ||
77 | p=NULL; | |
78 | for (;;) | |
79 | { | |
80 | if (k) | |
81 | { | |
82 | r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); | |
83 | if (pp == NULL) return(r); | |
84 | p=pp; | |
85 | ASN1_put_object(p,1,ret,V_ASN1_SEQUENCE, | |
86 | V_ASN1_UNIVERSAL); | |
87 | } | |
88 | ||
89 | ret+=i2d_ASN1_OBJECT(a->object,p); | |
90 | if ((a->critical) || a->netscape_hack) | |
91 | ret+=i2d_ASN1_BOOLEAN(a->critical,p); | |
92 | ret+=i2d_ASN1_OCTET_STRING(a->value,p); | |
93 | if (k++) return(r); | |
94 | } | |
95 | } | |
96 | ||
6b691a5c UM |
97 | X509_EXTENSION *d2i_X509_EXTENSION(X509_EXTENSION **a, unsigned char **pp, |
98 | long length) | |
d02b48c6 RE |
99 | { |
100 | int i; | |
101 | M_ASN1_D2I_vars(a,X509_EXTENSION *,X509_EXTENSION_new); | |
102 | ||
103 | M_ASN1_D2I_Init(); | |
104 | M_ASN1_D2I_start_sequence(); | |
105 | M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT); | |
106 | ||
58964a49 RE |
107 | if ((ret->argp != NULL) && (ret->ex_free != NULL)) |
108 | ret->ex_free(ret); | |
109 | ret->argl=0; | |
110 | ret->argp=NULL; | |
d02b48c6 RE |
111 | ret->netscape_hack=0; |
112 | if ((c.slen != 0) && | |
113 | (M_ASN1_next == (V_ASN1_UNIVERSAL|V_ASN1_BOOLEAN))) | |
114 | { | |
115 | c.q=c.p; | |
116 | if (d2i_ASN1_BOOLEAN(&i,&c.p,c.slen) < 0) goto err; | |
117 | ret->critical=i; | |
118 | c.slen-=(c.p-c.q); | |
119 | if (ret->critical == 0) ret->netscape_hack=1; | |
120 | } | |
121 | M_ASN1_D2I_get(ret->value,d2i_ASN1_OCTET_STRING); | |
122 | ||
123 | M_ASN1_D2I_Finish(a,X509_EXTENSION_free,ASN1_F_D2I_X509_EXTENSION); | |
124 | } | |
125 | ||
6b691a5c | 126 | X509_EXTENSION *X509_EXTENSION_new(void) |
d02b48c6 RE |
127 | { |
128 | X509_EXTENSION *ret=NULL; | |
dfeab068 | 129 | ASN1_CTX c; |
d02b48c6 RE |
130 | |
131 | M_ASN1_New_Malloc(ret,X509_EXTENSION); | |
dfeab068 | 132 | ret->object=OBJ_nid2obj(NID_undef); |
d02b48c6 RE |
133 | M_ASN1_New(ret->value,ASN1_OCTET_STRING_new); |
134 | ret->critical=0; | |
135 | ret->netscape_hack=0; | |
58964a49 RE |
136 | ret->argl=0L; |
137 | ret->argp=NULL; | |
138 | ret->ex_free=NULL; | |
d02b48c6 RE |
139 | return(ret); |
140 | M_ASN1_New_Error(ASN1_F_X509_EXTENSION_NEW); | |
141 | } | |
142 | ||
6b691a5c | 143 | void X509_EXTENSION_free(X509_EXTENSION *a) |
d02b48c6 RE |
144 | { |
145 | if (a == NULL) return; | |
58964a49 RE |
146 | if ((a->argp != NULL) && (a->ex_free != NULL)) |
147 | a->ex_free(a); | |
d02b48c6 RE |
148 | ASN1_OBJECT_free(a->object); |
149 | ASN1_OCTET_STRING_free(a->value); | |
150 | Free((char *)a); | |
151 | } | |
152 |