Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | /* crypto/objects/obj_xref.c */ |
| 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
| 3 | * project 2006. |
| 4 | */ |
| 5 | /* ==================================================================== |
| 6 | * Copyright (c) 2006 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 <openssl/objects.h> |
| 60 | #include "obj_xref.h" |
| 61 | |
| 62 | DECLARE_STACK_OF(nid_triple) |
| 63 | STACK_OF(nid_triple) *sig_app, *sigx_app; |
| 64 | |
| 65 | static int sig_cmp(const nid_triple *a, const nid_triple *b) |
| 66 | { |
| 67 | return a->sign_id - b->sign_id; |
| 68 | } |
| 69 | |
| 70 | DECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); |
| 71 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); |
| 72 | |
| 73 | static int sig_sk_cmp(const nid_triple * const *a, const nid_triple * const *b) |
| 74 | { |
| 75 | return (*a)->sign_id - (*b)->sign_id; |
| 76 | } |
| 77 | |
| 78 | DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); |
| 79 | |
| 80 | static int sigx_cmp(const nid_triple * const *a, const nid_triple * const *b) |
| 81 | { |
| 82 | int ret; |
| 83 | ret = (*a)->hash_id - (*b)->hash_id; |
| 84 | if (ret) |
| 85 | return ret; |
| 86 | return (*a)->pkey_id - (*b)->pkey_id; |
| 87 | } |
| 88 | |
| 89 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); |
| 90 | |
| 91 | int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid) |
| 92 | { |
| 93 | nid_triple tmp; |
| 94 | const nid_triple *rv = NULL; |
| 95 | tmp.sign_id = signid; |
| 96 | |
| 97 | if (sig_app) |
| 98 | { |
| 99 | int idx = sk_nid_triple_find(sig_app, &tmp); |
| 100 | if (idx >= 0) |
| 101 | rv = sk_nid_triple_value(sig_app, idx); |
| 102 | } |
| 103 | |
| 104 | #ifndef OBJ_XREF_TEST2 |
| 105 | if (rv == NULL) |
| 106 | { |
| 107 | rv = OBJ_bsearch_sig(&tmp, sigoid_srt, |
| 108 | sizeof(sigoid_srt) / sizeof(nid_triple)); |
| 109 | } |
| 110 | #endif |
| 111 | if (rv == NULL) |
| 112 | return 0; |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 113 | *pdig_nid = rv->hash_id; |
| 114 | *ppkey_nid = rv->pkey_id; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 115 | return 1; |
| 116 | } |
| 117 | |
| 118 | int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid) |
| 119 | { |
| 120 | nid_triple tmp; |
| 121 | const nid_triple *t=&tmp; |
| 122 | const nid_triple **rv = NULL; |
| 123 | |
| 124 | tmp.hash_id = dig_nid; |
| 125 | tmp.pkey_id = pkey_nid; |
| 126 | |
| 127 | if (sigx_app) |
| 128 | { |
| 129 | int idx = sk_nid_triple_find(sigx_app, &tmp); |
| 130 | if (idx >= 0) |
| 131 | { |
| 132 | t = sk_nid_triple_value(sigx_app, idx); |
| 133 | rv = &t; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | #ifndef OBJ_XREF_TEST2 |
| 138 | if (rv == NULL) |
| 139 | { |
| 140 | rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, |
| 141 | sizeof(sigoid_srt_xref) / sizeof(nid_triple *) |
| 142 | ); |
| 143 | } |
| 144 | #endif |
| 145 | if (rv == NULL) |
| 146 | return 0; |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 147 | *psignid = (*rv)->sign_id; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 148 | return 1; |
| 149 | } |
| 150 | |
| 151 | int OBJ_add_sigid(int signid, int dig_id, int pkey_id) |
| 152 | { |
| 153 | nid_triple *ntr; |
| 154 | if (!sig_app) |
| 155 | sig_app = sk_nid_triple_new(sig_sk_cmp); |
| 156 | if (!sig_app) |
| 157 | return 0; |
| 158 | if (!sigx_app) |
| 159 | sigx_app = sk_nid_triple_new(sigx_cmp); |
| 160 | if (!sigx_app) |
| 161 | return 0; |
| 162 | ntr = OPENSSL_malloc(sizeof(int) * 3); |
| 163 | if (!ntr) |
| 164 | return 0; |
| 165 | ntr->sign_id = signid; |
| 166 | ntr->hash_id = dig_id; |
| 167 | ntr->pkey_id = pkey_id; |
| 168 | |
| 169 | if (!sk_nid_triple_push(sig_app, ntr)) |
| 170 | { |
| 171 | OPENSSL_free(ntr); |
| 172 | return 0; |
| 173 | } |
| 174 | |
| 175 | if (!sk_nid_triple_push(sigx_app, ntr)) |
| 176 | return 0; |
| 177 | |
| 178 | sk_nid_triple_sort(sig_app); |
| 179 | sk_nid_triple_sort(sigx_app); |
| 180 | |
| 181 | return 1; |
| 182 | } |
| 183 | |
| 184 | static void sid_free(nid_triple *tt) |
| 185 | { |
| 186 | OPENSSL_free(tt); |
| 187 | } |
| 188 | |
| 189 | void OBJ_sigid_free(void) |
| 190 | { |
| 191 | if (sig_app) |
| 192 | { |
| 193 | sk_nid_triple_pop_free(sig_app, sid_free); |
| 194 | sig_app = NULL; |
| 195 | } |
| 196 | if (sigx_app) |
| 197 | { |
| 198 | sk_nid_triple_free(sigx_app); |
| 199 | sigx_app = NULL; |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | #ifdef OBJ_XREF_TEST |
| 204 | |
| 205 | main() |
| 206 | { |
| 207 | int n1, n2, n3; |
| 208 | |
| 209 | int i, rv; |
| 210 | #ifdef OBJ_XREF_TEST2 |
| 211 | for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++) |
| 212 | { |
| 213 | OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1], |
| 214 | sigoid_srt[i][2]); |
| 215 | } |
| 216 | #endif |
| 217 | |
| 218 | for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++) |
| 219 | { |
| 220 | n1 = sigoid_srt[i][0]; |
| 221 | rv = OBJ_find_sigid_algs(n1, &n2, &n3); |
| 222 | printf("Forward: %d, %s %s %s\n", rv, |
| 223 | OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); |
| 224 | n1=0; |
| 225 | rv = OBJ_find_sigid_by_algs(&n1, n2, n3); |
| 226 | printf("Reverse: %d, %s %s %s\n", rv, |
| 227 | OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | #endif |