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9aeaf1b4 DSH |
1 | /* v3_bcons.c */ |
2 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL | |
3 | * project 1999. | |
4 | */ | |
5 | /* ==================================================================== | |
6 | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * | |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * licensing@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | * | |
53 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
58 | ||
e527ba09 | 59 | |
9aeaf1b4 | 60 | #include <stdio.h> |
e527ba09 | 61 | #include "cryptlib.h" |
ec577822 BM |
62 | #include <openssl/asn1.h> |
63 | #include <openssl/asn1_mac.h> | |
64 | #include <openssl/conf.h> | |
65 | #include <openssl/x509v3.h> | |
9aeaf1b4 | 66 | |
ba404b5e DSH |
67 | static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist); |
68 | static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values); | |
9aeaf1b4 | 69 | |
9aeaf1b4 DSH |
70 | X509V3_EXT_METHOD v3_bcons = { |
71 | NID_basic_constraints, 0, | |
72 | (X509V3_EXT_NEW)BASIC_CONSTRAINTS_new, | |
66ab08b1 | 73 | (X509V3_EXT_FREE)BASIC_CONSTRAINTS_free, |
9aeaf1b4 | 74 | (X509V3_EXT_D2I)d2i_BASIC_CONSTRAINTS, |
66ab08b1 | 75 | (X509V3_EXT_I2D)i2d_BASIC_CONSTRAINTS, |
9aeaf1b4 DSH |
76 | NULL, NULL, |
77 | (X509V3_EXT_I2V)i2v_BASIC_CONSTRAINTS, | |
78 | (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS, | |
79a474e8 | 79 | NULL,NULL, |
9aeaf1b4 DSH |
80 | NULL |
81 | }; | |
82 | ||
83 | ||
6b691a5c | 84 | int i2d_BASIC_CONSTRAINTS(BASIC_CONSTRAINTS *a, unsigned char **pp) |
9aeaf1b4 DSH |
85 | { |
86 | M_ASN1_I2D_vars(a); | |
87 | if(a->ca) M_ASN1_I2D_len (a->ca, i2d_ASN1_BOOLEAN); | |
88 | M_ASN1_I2D_len (a->pathlen, i2d_ASN1_INTEGER); | |
89 | ||
90 | M_ASN1_I2D_seq_total(); | |
91 | ||
92 | if (a->ca) M_ASN1_I2D_put (a->ca, i2d_ASN1_BOOLEAN); | |
93 | M_ASN1_I2D_put (a->pathlen, i2d_ASN1_INTEGER); | |
94 | M_ASN1_I2D_finish(); | |
95 | } | |
96 | ||
6b691a5c | 97 | BASIC_CONSTRAINTS *BASIC_CONSTRAINTS_new(void) |
9aeaf1b4 DSH |
98 | { |
99 | BASIC_CONSTRAINTS *ret=NULL; | |
100 | ASN1_CTX c; | |
101 | M_ASN1_New_Malloc(ret, BASIC_CONSTRAINTS); | |
102 | ret->ca = 0; | |
103 | ret->pathlen = NULL; | |
104 | return (ret); | |
105 | M_ASN1_New_Error(ASN1_F_BASIC_CONSTRAINTS_NEW); | |
106 | } | |
107 | ||
6b691a5c UM |
108 | BASIC_CONSTRAINTS *d2i_BASIC_CONSTRAINTS(BASIC_CONSTRAINTS **a, |
109 | unsigned char **pp, long length) | |
9aeaf1b4 DSH |
110 | { |
111 | M_ASN1_D2I_vars(a,BASIC_CONSTRAINTS *,BASIC_CONSTRAINTS_new); | |
112 | M_ASN1_D2I_Init(); | |
113 | M_ASN1_D2I_start_sequence(); | |
114 | if((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) == | |
115 | (V_ASN1_UNIVERSAL|V_ASN1_BOOLEAN) ) { | |
116 | M_ASN1_D2I_get_int (ret->ca, d2i_ASN1_BOOLEAN); | |
117 | } | |
118 | M_ASN1_D2I_get_opt (ret->pathlen, d2i_ASN1_INTEGER, V_ASN1_INTEGER); | |
119 | M_ASN1_D2I_Finish(a, BASIC_CONSTRAINTS_free, ASN1_F_D2I_BASIC_CONSTRAINTS); | |
120 | } | |
121 | ||
6b691a5c | 122 | void BASIC_CONSTRAINTS_free(BASIC_CONSTRAINTS *a) |
9aeaf1b4 DSH |
123 | { |
124 | if (a == NULL) return; | |
08e9c1af | 125 | M_ASN1_INTEGER_free (a->pathlen); |
26a3a48d | 126 | OPENSSL_free (a); |
9aeaf1b4 DSH |
127 | } |
128 | ||
ba404b5e DSH |
129 | static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, |
130 | BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist) | |
9aeaf1b4 | 131 | { |
9aeaf1b4 DSH |
132 | X509V3_add_value_bool("CA", bcons->ca, &extlist); |
133 | X509V3_add_value_int("pathlen", bcons->pathlen, &extlist); | |
134 | return extlist; | |
135 | } | |
136 | ||
6b691a5c | 137 | static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, |
ba404b5e | 138 | X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values) |
9aeaf1b4 DSH |
139 | { |
140 | BASIC_CONSTRAINTS *bcons=NULL; | |
141 | CONF_VALUE *val; | |
142 | int i; | |
143 | if(!(bcons = BASIC_CONSTRAINTS_new())) { | |
144 | X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE); | |
145 | return NULL; | |
146 | } | |
ba404b5e DSH |
147 | for(i = 0; i < sk_CONF_VALUE_num(values); i++) { |
148 | val = sk_CONF_VALUE_value(values, i); | |
9aeaf1b4 DSH |
149 | if(!strcmp(val->name, "CA")) { |
150 | if(!X509V3_get_value_bool(val, &bcons->ca)) goto err; | |
151 | } else if(!strcmp(val->name, "pathlen")) { | |
152 | if(!X509V3_get_value_int(val, &bcons->pathlen)) goto err; | |
153 | } else { | |
154 | X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME); | |
155 | X509V3_conf_err(val); | |
156 | goto err; | |
157 | } | |
158 | } | |
159 | return bcons; | |
160 | err: | |
161 | BASIC_CONSTRAINTS_free(bcons); | |
162 | return NULL; | |
163 | } | |
164 |