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918e613a | 1 | /* asn_mstbl.c */ |
0f113f3e MC |
2 | /* |
3 | * Written by Stephen Henson (steve@openssl.org) for the OpenSSL project | |
4 | * 2012. | |
918e613a DSH |
5 | */ |
6 | /* ==================================================================== | |
7 | * Copyright (c) 2012 The OpenSSL Project. All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * | |
13 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 14 | * notice, this list of conditions and the following disclaimer. |
918e613a DSH |
15 | * |
16 | * 2. Redistributions in binary form must reproduce the above copyright | |
17 | * notice, this list of conditions and the following disclaimer in | |
18 | * the documentation and/or other materials provided with the | |
19 | * distribution. | |
20 | * | |
21 | * 3. All advertising materials mentioning features or use of this | |
22 | * software must display the following acknowledgment: | |
23 | * "This product includes software developed by the OpenSSL Project | |
24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
25 | * | |
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
27 | * endorse or promote products derived from this software without | |
28 | * prior written permission. For written permission, please contact | |
29 | * licensing@OpenSSL.org. | |
30 | * | |
31 | * 5. Products derived from this software may not be called "OpenSSL" | |
32 | * nor may "OpenSSL" appear in their names without prior written | |
33 | * permission of the OpenSSL Project. | |
34 | * | |
35 | * 6. Redistributions of any form whatsoever must retain the following | |
36 | * acknowledgment: | |
37 | * "This product includes software developed by the OpenSSL Project | |
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
39 | * | |
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
52 | * ==================================================================== | |
53 | * | |
54 | */ | |
55 | ||
56 | #include <stdio.h> | |
57 | #include <ctype.h> | |
58 | #include <openssl/crypto.h> | |
b39fc560 | 59 | #include "internal/cryptlib.h" |
918e613a DSH |
60 | #include <openssl/conf.h> |
61 | #include <openssl/x509v3.h> | |
62 | ||
63 | /* Multi string module: add table enstries from a given section */ | |
64 | ||
65 | static int do_tcreate(char *value, char *name); | |
66 | ||
67 | static int stbl_module_init(CONF_IMODULE *md, const CONF *cnf) | |
0f113f3e MC |
68 | { |
69 | int i; | |
70 | const char *stbl_section; | |
71 | STACK_OF(CONF_VALUE) *sktmp; | |
72 | CONF_VALUE *mval; | |
75ebbd9a | 73 | |
0f113f3e | 74 | stbl_section = CONF_imodule_get_value(md); |
75ebbd9a | 75 | if ((sktmp = NCONF_get_section(cnf, stbl_section)) == NULL) { |
0f113f3e MC |
76 | ASN1err(ASN1_F_STBL_MODULE_INIT, ASN1_R_ERROR_LOADING_SECTION); |
77 | return 0; | |
78 | } | |
79 | for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { | |
80 | mval = sk_CONF_VALUE_value(sktmp, i); | |
81 | if (!do_tcreate(mval->value, mval->name)) { | |
82 | ASN1err(ASN1_F_STBL_MODULE_INIT, ASN1_R_INVALID_VALUE); | |
83 | return 0; | |
84 | } | |
85 | } | |
86 | return 1; | |
87 | } | |
918e613a DSH |
88 | |
89 | static void stbl_module_finish(CONF_IMODULE *md) | |
0f113f3e MC |
90 | { |
91 | ASN1_STRING_TABLE_cleanup(); | |
92 | } | |
918e613a DSH |
93 | |
94 | void ASN1_add_stable_module(void) | |
0f113f3e MC |
95 | { |
96 | CONF_module_add("stbl_section", stbl_module_init, stbl_module_finish); | |
97 | } | |
918e613a | 98 | |
0f113f3e MC |
99 | /* |
100 | * Create an table entry based on a name value pair. format is oid_name = | |
101 | * n1:v1, n2:v2,... where name is "min", "max", "mask" or "flags". | |
918e613a DSH |
102 | */ |
103 | ||
918e613a | 104 | static int do_tcreate(char *value, char *name) |
0f113f3e MC |
105 | { |
106 | char *eptr; | |
107 | int nid, i, rv = 0; | |
108 | long tbl_min = -1, tbl_max = -1; | |
109 | unsigned long tbl_mask = 0, tbl_flags = 0; | |
110 | STACK_OF(CONF_VALUE) *lst = NULL; | |
111 | CONF_VALUE *cnf = NULL; | |
112 | nid = OBJ_sn2nid(name); | |
113 | if (nid == NID_undef) | |
114 | nid = OBJ_ln2nid(name); | |
115 | if (nid == NID_undef) | |
116 | goto err; | |
117 | lst = X509V3_parse_list(value); | |
118 | if (!lst) | |
119 | goto err; | |
120 | for (i = 0; i < sk_CONF_VALUE_num(lst); i++) { | |
121 | cnf = sk_CONF_VALUE_value(lst, i); | |
86885c28 | 122 | if (strcmp(cnf->name, "min") == 0) { |
0f113f3e MC |
123 | tbl_min = strtoul(cnf->value, &eptr, 0); |
124 | if (*eptr) | |
125 | goto err; | |
86885c28 | 126 | } else if (strcmp(cnf->name, "max") == 0) { |
0f113f3e MC |
127 | tbl_max = strtoul(cnf->value, &eptr, 0); |
128 | if (*eptr) | |
129 | goto err; | |
86885c28 | 130 | } else if (strcmp(cnf->name, "mask") == 0) { |
0f113f3e MC |
131 | if (!ASN1_str2mask(cnf->value, &tbl_mask) || !tbl_mask) |
132 | goto err; | |
86885c28 RS |
133 | } else if (strcmp(cnf->name, "flags") == 0) { |
134 | if (strcmp(cnf->value, "nomask") == 0) | |
0f113f3e | 135 | tbl_flags = STABLE_NO_MASK; |
86885c28 | 136 | else if (strcmp(cnf->value, "none") == 0) |
0f113f3e MC |
137 | tbl_flags = STABLE_FLAGS_CLEAR; |
138 | else | |
139 | goto err; | |
140 | } else | |
141 | goto err; | |
142 | } | |
143 | rv = 1; | |
144 | err: | |
145 | if (rv == 0) { | |
146 | ASN1err(ASN1_F_DO_TCREATE, ASN1_R_INVALID_STRING_TABLE_VALUE); | |
147 | if (cnf) | |
148 | ERR_add_error_data(4, "field=", cnf->name, | |
149 | ", value=", cnf->value); | |
150 | else | |
151 | ERR_add_error_data(4, "name=", name, ", value=", value); | |
152 | } else { | |
153 | rv = ASN1_STRING_TABLE_add(nid, tbl_min, tbl_max, | |
154 | tbl_mask, tbl_flags); | |
155 | if (!rv) | |
156 | ASN1err(ASN1_F_DO_TCREATE, ERR_R_MALLOC_FAILURE); | |
157 | } | |
efa7dd64 | 158 | sk_CONF_VALUE_pop_free(lst, X509V3_conf_free); |
0f113f3e MC |
159 | return rv; |
160 | } |