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authorcvs2svn <admin@example.com>2002-03-12 00:05:45 +0000
committercvs2svn <admin@example.com>2002-03-12 00:05:45 +0000
commit3779f2f4a8b544a7e4c362915322726b66cff114 (patch)
treeb6d77e66cbfdf6c0d8953fba2917f26f86fa50f6 /src/lib/libcrypto/asn1/a_strnid.c
parentf39945c2b3b0f9e4950384bdb8effdac6eed9199 (diff)
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This commit was manufactured by cvs2git to create tag 'OPENBSD_3_1_BASE'.OPENBSD_3_1_BASE
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1/* a_strnid.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
59#include <stdio.h>
60#include <ctype.h>
61#include "cryptlib.h"
62#include <openssl/asn1.h>
63#include <openssl/objects.h>
64
65
66static STACK_OF(ASN1_STRING_TABLE) *stable = NULL;
67static void st_free(ASN1_STRING_TABLE *tbl);
68static int sk_table_cmp(const ASN1_STRING_TABLE * const *a,
69 const ASN1_STRING_TABLE * const *b);
70static int table_cmp(const void *a, const void *b);
71
72
73/* This is the global mask for the mbstring functions: this is use to
74 * mask out certain types (such as BMPString and UTF8String) because
75 * certain software (e.g. Netscape) has problems with them.
76 */
77
78static unsigned long global_mask = 0xFFFFFFFFL;
79
80void ASN1_STRING_set_default_mask(unsigned long mask)
81{
82 global_mask = mask;
83}
84
85unsigned long ASN1_STRING_get_default_mask(void)
86{
87 return global_mask;
88}
89
90/* This function sets the default to various "flavours" of configuration.
91 * based on an ASCII string. Currently this is:
92 * MASK:XXXX : a numerical mask value.
93 * nobmp : Don't use BMPStrings (just Printable, T61).
94 * pkix : PKIX recommendation in RFC2459.
95 * utf8only : only use UTF8Strings (RFC2459 recommendation for 2004).
96 * default: the default value, Printable, T61, BMP.
97 */
98
99int ASN1_STRING_set_default_mask_asc(char *p)
100{
101 unsigned long mask;
102 char *end;
103 if(!strncmp(p, "MASK:", 5)) {
104 if(!p[5]) return 0;
105 mask = strtoul(p + 5, &end, 0);
106 if(*end) return 0;
107 } else if(!strcmp(p, "nombstr"))
108 mask = ~(B_ASN1_BMPSTRING|B_ASN1_UTF8STRING);
109 else if(!strcmp(p, "pkix"))
110 mask = ~B_ASN1_T61STRING;
111 else if(!strcmp(p, "utf8only")) mask = B_ASN1_UTF8STRING;
112 else if(!strcmp(p, "default"))
113 mask = 0xFFFFFFFFL;
114 else return 0;
115 ASN1_STRING_set_default_mask(mask);
116 return 1;
117}
118
119/* The following function generates an ASN1_STRING based on limits in a table.
120 * Frequently the types and length of an ASN1_STRING are restricted by a
121 * corresponding OID. For example certificates and certificate requests.
122 */
123
124ASN1_STRING *ASN1_STRING_set_by_NID(ASN1_STRING **out, const unsigned char *in,
125 int inlen, int inform, int nid)
126{
127 ASN1_STRING_TABLE *tbl;
128 ASN1_STRING *str = NULL;
129 unsigned long mask;
130 int ret;
131 if(!out) out = &str;
132 tbl = ASN1_STRING_TABLE_get(nid);
133 if(tbl) {
134 mask = tbl->mask;
135 if(!(tbl->flags & STABLE_NO_MASK)) mask &= global_mask;
136 ret = ASN1_mbstring_ncopy(out, in, inlen, inform, mask,
137 tbl->minsize, tbl->maxsize);
138 } else ret = ASN1_mbstring_copy(out, in, inlen, inform, DIRSTRING_TYPE & global_mask);
139 if(ret <= 0) return NULL;
140 return *out;
141}
142
143/* Now the tables and helper functions for the string table:
144 */
145
146/* size limits: this stuff is taken straight from RFC2459 */
147
148#define ub_name 32768
149#define ub_common_name 64
150#define ub_locality_name 128
151#define ub_state_name 128
152#define ub_organization_name 64
153#define ub_organization_unit_name 64
154#define ub_title 64
155#define ub_email_address 128
156
157/* This table must be kept in NID order */
158
159static ASN1_STRING_TABLE tbl_standard[] = {
160{NID_commonName, 1, ub_common_name, DIRSTRING_TYPE, 0},
161{NID_countryName, 2, 2, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK},
162{NID_localityName, 1, ub_locality_name, DIRSTRING_TYPE, 0},
163{NID_stateOrProvinceName, 1, ub_state_name, DIRSTRING_TYPE, 0},
164{NID_organizationName, 1, ub_organization_name, DIRSTRING_TYPE, 0},
165{NID_organizationalUnitName, 1, ub_organization_unit_name, DIRSTRING_TYPE, 0},
166{NID_pkcs9_emailAddress, 1, ub_email_address, B_ASN1_IA5STRING, STABLE_NO_MASK},
167{NID_pkcs9_unstructuredName, 1, -1, PKCS9STRING_TYPE, 0},
168{NID_pkcs9_challengePassword, 1, -1, PKCS9STRING_TYPE, 0},
169{NID_pkcs9_unstructuredAddress, 1, -1, DIRSTRING_TYPE, 0},
170{NID_givenName, 1, ub_name, DIRSTRING_TYPE, 0},
171{NID_surname, 1, ub_name, DIRSTRING_TYPE, 0},
172{NID_initials, 1, ub_name, DIRSTRING_TYPE, 0},
173{NID_name, 1, ub_name, DIRSTRING_TYPE, 0},
174{NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK}
175};
176
177static int sk_table_cmp(const ASN1_STRING_TABLE * const *a,
178 const ASN1_STRING_TABLE * const *b)
179{
180 return (*a)->nid - (*b)->nid;
181}
182
183static int table_cmp(const void *a, const void *b)
184{
185 const ASN1_STRING_TABLE *sa = a, *sb = b;
186 return sa->nid - sb->nid;
187}
188
189ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid)
190{
191 int idx;
192 ASN1_STRING_TABLE *ttmp;
193 ASN1_STRING_TABLE fnd;
194 fnd.nid = nid;
195 ttmp = (ASN1_STRING_TABLE *) OBJ_bsearch((char *)&fnd,
196 (char *)tbl_standard,
197 sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE),
198 sizeof(ASN1_STRING_TABLE), table_cmp);
199 if(ttmp) return ttmp;
200 if(!stable) return NULL;
201 idx = sk_ASN1_STRING_TABLE_find(stable, &fnd);
202 if(idx < 0) return NULL;
203 return sk_ASN1_STRING_TABLE_value(stable, idx);
204}
205
206int ASN1_STRING_TABLE_add(int nid,
207 long minsize, long maxsize, unsigned long mask,
208 unsigned long flags)
209{
210 ASN1_STRING_TABLE *tmp;
211 char new_nid = 0;
212 flags &= ~STABLE_FLAGS_MALLOC;
213 if(!stable) stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp);
214 if(!stable) {
215 ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE);
216 return 0;
217 }
218 if(!(tmp = ASN1_STRING_TABLE_get(nid))) {
219 tmp = OPENSSL_malloc(sizeof(ASN1_STRING_TABLE));
220 if(!tmp) {
221 ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD,
222 ERR_R_MALLOC_FAILURE);
223 return 0;
224 }
225 tmp->flags = flags | STABLE_FLAGS_MALLOC;
226 tmp->nid = nid;
227 new_nid = 1;
228 } else tmp->flags = (tmp->flags & STABLE_FLAGS_MALLOC) | flags;
229 if(minsize != -1) tmp->minsize = minsize;
230 if(maxsize != -1) tmp->maxsize = maxsize;
231 tmp->mask = mask;
232 if(new_nid) sk_ASN1_STRING_TABLE_push(stable, tmp);
233 return 1;
234}
235
236void ASN1_STRING_TABLE_cleanup(void)
237{
238 STACK_OF(ASN1_STRING_TABLE) *tmp;
239 tmp = stable;
240 if(!tmp) return;
241 stable = NULL;
242 sk_ASN1_STRING_TABLE_pop_free(tmp, st_free);
243}
244
245static void st_free(ASN1_STRING_TABLE *tbl)
246{
247 if(tbl->flags & STABLE_FLAGS_MALLOC) OPENSSL_free(tbl);
248}
249
250IMPLEMENT_STACK_OF(ASN1_STRING_TABLE)
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