obj_xref.c revision 238384
1238384Sjkim/* crypto/objects/obj_xref.c */ 2238384Sjkim/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3238384Sjkim * project 2006. 4238384Sjkim */ 5238384Sjkim/* ==================================================================== 6238384Sjkim * Copyright (c) 2006 The OpenSSL Project. All rights reserved. 7238384Sjkim * 8238384Sjkim * Redistribution and use in source and binary forms, with or without 9238384Sjkim * modification, are permitted provided that the following conditions 10238384Sjkim * are met: 11238384Sjkim * 12238384Sjkim * 1. Redistributions of source code must retain the above copyright 13238384Sjkim * notice, this list of conditions and the following disclaimer. 14238384Sjkim * 15238384Sjkim * 2. Redistributions in binary form must reproduce the above copyright 16238384Sjkim * notice, this list of conditions and the following disclaimer in 17238384Sjkim * the documentation and/or other materials provided with the 18238384Sjkim * distribution. 19238384Sjkim * 20238384Sjkim * 3. All advertising materials mentioning features or use of this 21238384Sjkim * software must display the following acknowledgment: 22238384Sjkim * "This product includes software developed by the OpenSSL Project 23238384Sjkim * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24238384Sjkim * 25238384Sjkim * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26238384Sjkim * endorse or promote products derived from this software without 27238384Sjkim * prior written permission. For written permission, please contact 28238384Sjkim * licensing@OpenSSL.org. 29238384Sjkim * 30238384Sjkim * 5. Products derived from this software may not be called "OpenSSL" 31238384Sjkim * nor may "OpenSSL" appear in their names without prior written 32238384Sjkim * permission of the OpenSSL Project. 33238384Sjkim * 34238384Sjkim * 6. Redistributions of any form whatsoever must retain the following 35238384Sjkim * acknowledgment: 36238384Sjkim * "This product includes software developed by the OpenSSL Project 37238384Sjkim * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38238384Sjkim * 39238384Sjkim * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40238384Sjkim * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41238384Sjkim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42238384Sjkim * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43238384Sjkim * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44238384Sjkim * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45238384Sjkim * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46238384Sjkim * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47238384Sjkim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48238384Sjkim * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49238384Sjkim * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50238384Sjkim * OF THE POSSIBILITY OF SUCH DAMAGE. 51238384Sjkim * ==================================================================== 52238384Sjkim * 53238384Sjkim * This product includes cryptographic software written by Eric Young 54238384Sjkim * (eay@cryptsoft.com). This product includes software written by Tim 55238384Sjkim * Hudson (tjh@cryptsoft.com). 56238384Sjkim * 57238384Sjkim */ 58238384Sjkim 59238384Sjkim#include <openssl/objects.h> 60238384Sjkim#include "obj_xref.h" 61238384Sjkim 62238384SjkimDECLARE_STACK_OF(nid_triple) 63238384SjkimSTACK_OF(nid_triple) *sig_app, *sigx_app; 64238384Sjkim 65238384Sjkimstatic int sig_cmp(const nid_triple *a, const nid_triple *b) 66238384Sjkim { 67238384Sjkim return a->sign_id - b->sign_id; 68238384Sjkim } 69238384Sjkim 70238384SjkimDECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); 71238384SjkimIMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); 72238384Sjkim 73238384Sjkimstatic int sig_sk_cmp(const nid_triple * const *a, const nid_triple * const *b) 74238384Sjkim { 75238384Sjkim return (*a)->sign_id - (*b)->sign_id; 76238384Sjkim } 77238384Sjkim 78238384SjkimDECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); 79238384Sjkim 80238384Sjkimstatic int sigx_cmp(const nid_triple * const *a, const nid_triple * const *b) 81238384Sjkim { 82238384Sjkim int ret; 83238384Sjkim ret = (*a)->hash_id - (*b)->hash_id; 84238384Sjkim if (ret) 85238384Sjkim return ret; 86238384Sjkim return (*a)->pkey_id - (*b)->pkey_id; 87238384Sjkim } 88238384Sjkim 89238384SjkimIMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); 90238384Sjkim 91238384Sjkimint OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid) 92238384Sjkim { 93238384Sjkim nid_triple tmp; 94238384Sjkim const nid_triple *rv = NULL; 95238384Sjkim tmp.sign_id = signid; 96238384Sjkim 97238384Sjkim if (sig_app) 98238384Sjkim { 99238384Sjkim int idx = sk_nid_triple_find(sig_app, &tmp); 100238384Sjkim if (idx >= 0) 101238384Sjkim rv = sk_nid_triple_value(sig_app, idx); 102238384Sjkim } 103238384Sjkim 104238384Sjkim#ifndef OBJ_XREF_TEST2 105238384Sjkim if (rv == NULL) 106238384Sjkim { 107238384Sjkim rv = OBJ_bsearch_sig(&tmp, sigoid_srt, 108238384Sjkim sizeof(sigoid_srt) / sizeof(nid_triple)); 109238384Sjkim } 110238384Sjkim#endif 111238384Sjkim if (rv == NULL) 112238384Sjkim return 0; 113238384Sjkim if (pdig_nid) 114238384Sjkim *pdig_nid = rv->hash_id; 115238384Sjkim if (ppkey_nid) 116238384Sjkim *ppkey_nid = rv->pkey_id; 117238384Sjkim return 1; 118238384Sjkim } 119238384Sjkim 120238384Sjkimint OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid) 121238384Sjkim { 122238384Sjkim nid_triple tmp; 123238384Sjkim const nid_triple *t=&tmp; 124238384Sjkim const nid_triple **rv = NULL; 125238384Sjkim 126238384Sjkim tmp.hash_id = dig_nid; 127238384Sjkim tmp.pkey_id = pkey_nid; 128238384Sjkim 129238384Sjkim if (sigx_app) 130238384Sjkim { 131238384Sjkim int idx = sk_nid_triple_find(sigx_app, &tmp); 132238384Sjkim if (idx >= 0) 133238384Sjkim { 134238384Sjkim t = sk_nid_triple_value(sigx_app, idx); 135238384Sjkim rv = &t; 136238384Sjkim } 137238384Sjkim } 138238384Sjkim 139238384Sjkim#ifndef OBJ_XREF_TEST2 140238384Sjkim if (rv == NULL) 141238384Sjkim { 142238384Sjkim rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, 143238384Sjkim sizeof(sigoid_srt_xref) / sizeof(nid_triple *) 144238384Sjkim ); 145238384Sjkim } 146238384Sjkim#endif 147238384Sjkim if (rv == NULL) 148238384Sjkim return 0; 149238384Sjkim if (psignid) 150238384Sjkim *psignid = (*rv)->sign_id; 151238384Sjkim return 1; 152238384Sjkim } 153238384Sjkim 154238384Sjkimint OBJ_add_sigid(int signid, int dig_id, int pkey_id) 155238384Sjkim { 156238384Sjkim nid_triple *ntr; 157238384Sjkim if (!sig_app) 158238384Sjkim sig_app = sk_nid_triple_new(sig_sk_cmp); 159238384Sjkim if (!sig_app) 160238384Sjkim return 0; 161238384Sjkim if (!sigx_app) 162238384Sjkim sigx_app = sk_nid_triple_new(sigx_cmp); 163238384Sjkim if (!sigx_app) 164238384Sjkim return 0; 165238384Sjkim ntr = OPENSSL_malloc(sizeof(int) * 3); 166238384Sjkim if (!ntr) 167238384Sjkim return 0; 168238384Sjkim ntr->sign_id = signid; 169238384Sjkim ntr->hash_id = dig_id; 170238384Sjkim ntr->pkey_id = pkey_id; 171238384Sjkim 172238384Sjkim if (!sk_nid_triple_push(sig_app, ntr)) 173238384Sjkim { 174238384Sjkim OPENSSL_free(ntr); 175238384Sjkim return 0; 176238384Sjkim } 177238384Sjkim 178238384Sjkim if (!sk_nid_triple_push(sigx_app, ntr)) 179238384Sjkim return 0; 180238384Sjkim 181238384Sjkim sk_nid_triple_sort(sig_app); 182238384Sjkim sk_nid_triple_sort(sigx_app); 183238384Sjkim 184238384Sjkim return 1; 185238384Sjkim } 186238384Sjkim 187238384Sjkimstatic void sid_free(nid_triple *tt) 188238384Sjkim { 189238384Sjkim OPENSSL_free(tt); 190238384Sjkim } 191238384Sjkim 192238384Sjkimvoid OBJ_sigid_free(void) 193238384Sjkim { 194238384Sjkim if (sig_app) 195238384Sjkim { 196238384Sjkim sk_nid_triple_pop_free(sig_app, sid_free); 197238384Sjkim sig_app = NULL; 198238384Sjkim } 199238384Sjkim if (sigx_app) 200238384Sjkim { 201238384Sjkim sk_nid_triple_free(sigx_app); 202238384Sjkim sigx_app = NULL; 203238384Sjkim } 204238384Sjkim } 205238384Sjkim 206238384Sjkim#ifdef OBJ_XREF_TEST 207238384Sjkim 208238384Sjkimmain() 209238384Sjkim { 210238384Sjkim int n1, n2, n3; 211238384Sjkim 212238384Sjkim int i, rv; 213238384Sjkim#ifdef OBJ_XREF_TEST2 214238384Sjkim for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++) 215238384Sjkim { 216238384Sjkim OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1], 217238384Sjkim sigoid_srt[i][2]); 218238384Sjkim } 219238384Sjkim#endif 220238384Sjkim 221238384Sjkim for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++) 222238384Sjkim { 223238384Sjkim n1 = sigoid_srt[i][0]; 224238384Sjkim rv = OBJ_find_sigid_algs(n1, &n2, &n3); 225238384Sjkim printf("Forward: %d, %s %s %s\n", rv, 226238384Sjkim OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); 227238384Sjkim n1=0; 228238384Sjkim rv = OBJ_find_sigid_by_algs(&n1, n2, n3); 229238384Sjkim printf("Reverse: %d, %s %s %s\n", rv, 230238384Sjkim OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); 231238384Sjkim } 232238384Sjkim } 233238384Sjkim 234238384Sjkim#endif 235