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diff --git a/src/lib/libcrypto/asn1/a_strnid.c b/src/lib/libcrypto/asn1/a_strnid.c
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1/* $OpenBSD: a_strnid.c,v 1.19 2015/02/10 11:22:21 jsing Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) 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 <ctype.h>
60#include <stdio.h>
61#include <string.h>
62
63#include <openssl/asn1.h>
64#include <openssl/err.h>
65#include <openssl/objects.h>
66
67static STACK_OF(ASN1_STRING_TABLE) *stable = NULL;
68static void st_free(ASN1_STRING_TABLE *tbl);
69static int sk_table_cmp(const ASN1_STRING_TABLE * const *a,
70 const ASN1_STRING_TABLE * const *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 = B_ASN1_UTF8STRING;
79
80void
81ASN1_STRING_set_default_mask(unsigned long mask)
82{
83 global_mask = mask;
84}
85
86unsigned long
87ASN1_STRING_get_default_mask(void)
88{
89 return global_mask;
90}
91
92/* This function sets the default to various "flavours" of configuration.
93 * based on an ASCII string. Currently this is:
94 * MASK:XXXX : a numerical mask value.
95 * nobmp : Don't use BMPStrings (just Printable, T61).
96 * pkix : PKIX recommendation in RFC2459.
97 * utf8only : only use UTF8Strings (RFC2459 recommendation for 2004).
98 * default: the default value, Printable, T61, BMP.
99 */
100
101int
102ASN1_STRING_set_default_mask_asc(const char *p)
103{
104 unsigned long mask;
105 char *end;
106
107 if (!strncmp(p, "MASK:", 5)) {
108 if (!p[5])
109 return 0;
110 mask = strtoul(p + 5, &end, 0);
111 if (*end)
112 return 0;
113 } else if (!strcmp(p, "nombstr"))
114 mask = ~((unsigned long)(B_ASN1_BMPSTRING|B_ASN1_UTF8STRING));
115 else if (!strcmp(p, "pkix"))
116 mask = ~((unsigned long)B_ASN1_T61STRING);
117 else if (!strcmp(p, "utf8only"))
118 mask = B_ASN1_UTF8STRING;
119 else if (!strcmp(p, "default"))
120 mask = 0xFFFFFFFFL;
121 else
122 return 0;
123 ASN1_STRING_set_default_mask(mask);
124 return 1;
125}
126
127/* The following function generates an ASN1_STRING based on limits in a table.
128 * Frequently the types and length of an ASN1_STRING are restricted by a
129 * corresponding OID. For example certificates and certificate requests.
130 */
131
132ASN1_STRING *
133ASN1_STRING_set_by_NID(ASN1_STRING **out, const unsigned char *in, int inlen,
134 int inform, int nid)
135{
136 ASN1_STRING_TABLE *tbl;
137 ASN1_STRING *str = NULL;
138 unsigned long mask;
139 int ret;
140 if (!out)
141 out = &str;
142 tbl = ASN1_STRING_TABLE_get(nid);
143 if (tbl) {
144 mask = tbl->mask;
145 if (!(tbl->flags & STABLE_NO_MASK))
146 mask &= global_mask;
147 ret = ASN1_mbstring_ncopy(out, in, inlen, inform, mask,
148 tbl->minsize, tbl->maxsize);
149 } else
150 ret = ASN1_mbstring_copy(out, in, inlen, inform,
151 DIRSTRING_TYPE & global_mask);
152 if (ret <= 0)
153 return NULL;
154 return *out;
155}
156
157/* Now the tables and helper functions for the string table:
158 */
159
160/* size limits: this stuff is taken straight from RFC3280 */
161
162#define ub_name 32768
163#define ub_common_name 64
164#define ub_locality_name 128
165#define ub_state_name 128
166#define ub_organization_name 64
167#define ub_organization_unit_name 64
168#define ub_title 64
169#define ub_email_address 128
170#define ub_serial_number 64
171
172
173/* This table must be kept in NID order */
174
175static const ASN1_STRING_TABLE tbl_standard[] = {
176 {NID_commonName, 1, ub_common_name, DIRSTRING_TYPE, 0},
177 {NID_countryName, 2, 2, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK},
178 {NID_localityName, 1, ub_locality_name, DIRSTRING_TYPE, 0},
179 {NID_stateOrProvinceName, 1, ub_state_name, DIRSTRING_TYPE, 0},
180 {NID_organizationName, 1, ub_organization_name, DIRSTRING_TYPE, 0},
181 {NID_organizationalUnitName, 1, ub_organization_unit_name, DIRSTRING_TYPE, 0},
182 {NID_pkcs9_emailAddress, 1, ub_email_address, B_ASN1_IA5STRING, STABLE_NO_MASK},
183 {NID_pkcs9_unstructuredName, 1, -1, PKCS9STRING_TYPE, 0},
184 {NID_pkcs9_challengePassword, 1, -1, PKCS9STRING_TYPE, 0},
185 {NID_pkcs9_unstructuredAddress, 1, -1, DIRSTRING_TYPE, 0},
186 {NID_givenName, 1, ub_name, DIRSTRING_TYPE, 0},
187 {NID_surname, 1, ub_name, DIRSTRING_TYPE, 0},
188 {NID_initials, 1, ub_name, DIRSTRING_TYPE, 0},
189 {NID_serialNumber, 1, ub_serial_number, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK},
190 {NID_friendlyName, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK},
191 {NID_name, 1, ub_name, DIRSTRING_TYPE, 0},
192 {NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK},
193 {NID_domainComponent, 1, -1, B_ASN1_IA5STRING, STABLE_NO_MASK},
194 {NID_ms_csp_name, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK}
195};
196
197static int
198sk_table_cmp(const ASN1_STRING_TABLE * const *a,
199 const ASN1_STRING_TABLE * const *b)
200{
201 return (*a)->nid - (*b)->nid;
202}
203
204DECLARE_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table);
205
206static int
207table_cmp(const ASN1_STRING_TABLE *a, const ASN1_STRING_TABLE *b)
208{
209 return a->nid - b->nid;
210}
211
212IMPLEMENT_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table);
213
214ASN1_STRING_TABLE *
215ASN1_STRING_TABLE_get(int nid)
216{
217 int idx;
218 ASN1_STRING_TABLE *ttmp;
219 ASN1_STRING_TABLE fnd;
220
221 fnd.nid = nid;
222 ttmp = OBJ_bsearch_table(&fnd, tbl_standard,
223 sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE));
224 if (ttmp)
225 return ttmp;
226 if (!stable)
227 return NULL;
228 idx = sk_ASN1_STRING_TABLE_find(stable, &fnd);
229 if (idx < 0)
230 return NULL;
231 return sk_ASN1_STRING_TABLE_value(stable, idx);
232}
233
234int
235ASN1_STRING_TABLE_add(int nid, long minsize, long maxsize, unsigned long mask,
236 unsigned long flags)
237{
238 ASN1_STRING_TABLE *tmp;
239 char new_nid = 0;
240
241 flags &= ~STABLE_FLAGS_MALLOC;
242 if (!stable)
243 stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp);
244 if (!stable) {
245 ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE);
246 return 0;
247 }
248 if (!(tmp = ASN1_STRING_TABLE_get(nid))) {
249 tmp = malloc(sizeof(ASN1_STRING_TABLE));
250 if (!tmp) {
251 ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD,
252 ERR_R_MALLOC_FAILURE);
253 return 0;
254 }
255 tmp->flags = flags | STABLE_FLAGS_MALLOC;
256 tmp->nid = nid;
257 new_nid = 1;
258 } else tmp->flags = (tmp->flags & STABLE_FLAGS_MALLOC) | flags;
259 if (minsize != -1)
260 tmp->minsize = minsize;
261 if (maxsize != -1)
262 tmp->maxsize = maxsize;
263 tmp->mask = mask;
264 if (new_nid) {
265 if (sk_ASN1_STRING_TABLE_push(stable, tmp) == 0) {
266 free(tmp);
267 ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD,
268 ERR_R_MALLOC_FAILURE);
269 return 0;
270 }
271 }
272 return 1;
273}
274
275void
276ASN1_STRING_TABLE_cleanup(void)
277{
278 STACK_OF(ASN1_STRING_TABLE) *tmp;
279
280 tmp = stable;
281 if (!tmp)
282 return;
283 stable = NULL;
284 sk_ASN1_STRING_TABLE_pop_free(tmp, st_free);
285}
286
287static void
288st_free(ASN1_STRING_TABLE *tbl)
289{
290 if (tbl->flags & STABLE_FLAGS_MALLOC)
291 free(tbl);
292}
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