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d2027098 | 1 | /* crypto/objects/obj_xref.c */ |
0f113f3e MC |
2 | /* |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
4 | * 2006. | |
d2027098 DSH |
5 | */ |
6 | /* ==================================================================== | |
7 | * Copyright (c) 2006 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. |
d2027098 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 | * This product includes cryptographic software written by Eric Young | |
55 | * (eay@cryptsoft.com). This product includes software written by Tim | |
56 | * Hudson (tjh@cryptsoft.com). | |
57 | * | |
58 | */ | |
59 | ||
60 | #include <openssl/objects.h> | |
61 | #include "obj_xref.h" | |
b6eb9827 | 62 | #include "e_os.h" |
d2027098 | 63 | |
85885715 | 64 | DEFINE_STACK_OF(nid_triple) |
45ebd731 RS |
65 | |
66 | static STACK_OF(nid_triple) *sig_app, *sigx_app; | |
0ee2166c | 67 | |
e19106f5 | 68 | static int sig_cmp(const nid_triple *a, const nid_triple *b) |
0f113f3e MC |
69 | { |
70 | return a->sign_id - b->sign_id; | |
71 | } | |
d2027098 | 72 | |
e19106f5 DSH |
73 | DECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); |
74 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); | |
babb3798 | 75 | |
0f113f3e MC |
76 | static int sig_sk_cmp(const nid_triple *const *a, const nid_triple *const *b) |
77 | { | |
78 | return (*a)->sign_id - (*b)->sign_id; | |
79 | } | |
0ee2166c | 80 | |
e19106f5 | 81 | DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); |
babb3798 | 82 | |
0f113f3e MC |
83 | static int sigx_cmp(const nid_triple *const *a, const nid_triple *const *b) |
84 | { | |
85 | int ret; | |
86 | ret = (*a)->hash_id - (*b)->hash_id; | |
87 | if (ret) | |
88 | return ret; | |
89 | return (*a)->pkey_id - (*b)->pkey_id; | |
90 | } | |
d2027098 | 91 | |
e19106f5 | 92 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); |
d2027098 DSH |
93 | |
94 | int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid) | |
0f113f3e MC |
95 | { |
96 | nid_triple tmp; | |
97 | const nid_triple *rv = NULL; | |
98 | tmp.sign_id = signid; | |
99 | ||
100 | if (sig_app) { | |
101 | int idx = sk_nid_triple_find(sig_app, &tmp); | |
102 | if (idx >= 0) | |
103 | rv = sk_nid_triple_value(sig_app, idx); | |
104 | } | |
0ee2166c | 105 | #ifndef OBJ_XREF_TEST2 |
0f113f3e | 106 | if (rv == NULL) { |
b6eb9827 | 107 | rv = OBJ_bsearch_sig(&tmp, sigoid_srt, OSSL_NELEM(sigoid_srt)); |
0f113f3e | 108 | } |
0ee2166c | 109 | #endif |
0f113f3e MC |
110 | if (rv == NULL) |
111 | return 0; | |
112 | if (pdig_nid) | |
113 | *pdig_nid = rv->hash_id; | |
114 | if (ppkey_nid) | |
115 | *ppkey_nid = rv->pkey_id; | |
116 | return 1; | |
117 | } | |
d2027098 DSH |
118 | |
119 | int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid) | |
0f113f3e MC |
120 | { |
121 | nid_triple tmp; | |
122 | const nid_triple *t = &tmp; | |
123 | const nid_triple **rv = NULL; | |
124 | ||
125 | tmp.hash_id = dig_nid; | |
126 | tmp.pkey_id = pkey_nid; | |
127 | ||
128 | if (sigx_app) { | |
129 | int idx = sk_nid_triple_find(sigx_app, &tmp); | |
130 | if (idx >= 0) { | |
131 | t = sk_nid_triple_value(sigx_app, idx); | |
132 | rv = &t; | |
133 | } | |
134 | } | |
0ee2166c | 135 | #ifndef OBJ_XREF_TEST2 |
0f113f3e | 136 | if (rv == NULL) { |
b6eb9827 | 137 | rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, OSSL_NELEM(sigoid_srt_xref)); |
0f113f3e | 138 | } |
0ee2166c | 139 | #endif |
0f113f3e MC |
140 | if (rv == NULL) |
141 | return 0; | |
142 | if (psignid) | |
143 | *psignid = (*rv)->sign_id; | |
144 | return 1; | |
145 | } | |
d2027098 | 146 | |
0ee2166c | 147 | int OBJ_add_sigid(int signid, int dig_id, int pkey_id) |
0f113f3e MC |
148 | { |
149 | nid_triple *ntr; | |
90945fa3 | 150 | if (sig_app == NULL) |
0f113f3e | 151 | sig_app = sk_nid_triple_new(sig_sk_cmp); |
90945fa3 | 152 | if (sig_app == NULL) |
0f113f3e | 153 | return 0; |
90945fa3 | 154 | if (sigx_app == NULL) |
0f113f3e | 155 | sigx_app = sk_nid_triple_new(sigx_cmp); |
90945fa3 | 156 | if (sigx_app == NULL) |
0f113f3e | 157 | return 0; |
b4faea50 | 158 | ntr = OPENSSL_malloc(sizeof(*ntr)); |
90945fa3 | 159 | if (ntr == NULL) |
0f113f3e MC |
160 | return 0; |
161 | ntr->sign_id = signid; | |
162 | ntr->hash_id = dig_id; | |
163 | ntr->pkey_id = pkey_id; | |
164 | ||
165 | if (!sk_nid_triple_push(sig_app, ntr)) { | |
166 | OPENSSL_free(ntr); | |
167 | return 0; | |
168 | } | |
169 | ||
170 | if (!sk_nid_triple_push(sigx_app, ntr)) | |
171 | return 0; | |
172 | ||
173 | sk_nid_triple_sort(sig_app); | |
174 | sk_nid_triple_sort(sigx_app); | |
175 | ||
176 | return 1; | |
177 | } | |
0ee2166c | 178 | |
5ce278a7 | 179 | static void sid_free(nid_triple *tt) |
0f113f3e MC |
180 | { |
181 | OPENSSL_free(tt); | |
182 | } | |
0ee2166c DSH |
183 | |
184 | void OBJ_sigid_free(void) | |
0f113f3e | 185 | { |
efa7dd64 RS |
186 | sk_nid_triple_pop_free(sig_app, sid_free); |
187 | sig_app = NULL; | |
188 | sk_nid_triple_free(sigx_app); | |
189 | sigx_app = NULL; | |
0f113f3e MC |
190 | } |
191 | ||
d2027098 DSH |
192 | #ifdef OBJ_XREF_TEST |
193 | ||
194 | main() | |
0f113f3e MC |
195 | { |
196 | int n1, n2, n3; | |
197 | ||
198 | int i, rv; | |
199 | # ifdef OBJ_XREF_TEST2 | |
b6eb9827 | 200 | for (i = 0; i < OSSL_NELEM(sigoid_srt); i++) { |
0f113f3e MC |
201 | OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1], sigoid_srt[i][2]); |
202 | } | |
203 | # endif | |
204 | ||
b6eb9827 | 205 | for (i = 0; i < OSSL_NELEM(sigoid_srt); i++) { |
0f113f3e MC |
206 | n1 = sigoid_srt[i][0]; |
207 | rv = OBJ_find_sigid_algs(n1, &n2, &n3); | |
208 | printf("Forward: %d, %s %s %s\n", rv, | |
209 | OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); | |
210 | n1 = 0; | |
211 | rv = OBJ_find_sigid_by_algs(&n1, n2, n3); | |
212 | printf("Reverse: %d, %s %s %s\n", rv, | |
213 | OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); | |
214 | } | |
215 | } | |
d2027098 | 216 | |
d2027098 | 217 | #endif |