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139 lines
3.3 KiB
C
139 lines
3.3 KiB
C
/*
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* Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <openssl/objects.h>
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#include "obj_xref.h"
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#include "internal/nelem.h"
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#include <openssl/err.h>
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static STACK_OF(nid_triple) *sig_app, *sigx_app;
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static int sig_cmp(const nid_triple *a, const nid_triple *b)
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{
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return a->sign_id - b->sign_id;
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}
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DECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig);
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IMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig);
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static int sig_sk_cmp(const nid_triple *const *a, const nid_triple *const *b)
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{
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return (*a)->sign_id - (*b)->sign_id;
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}
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DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx);
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static int sigx_cmp(const nid_triple *const *a, const nid_triple *const *b)
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{
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int ret;
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ret = (*a)->hash_id - (*b)->hash_id;
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if (ret)
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return ret;
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return (*a)->pkey_id - (*b)->pkey_id;
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}
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IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx);
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int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid)
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{
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nid_triple tmp;
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const nid_triple *rv = NULL;
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tmp.sign_id = signid;
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if (sig_app != NULL) {
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int idx = sk_nid_triple_find(sig_app, &tmp);
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rv = sk_nid_triple_value(sig_app, idx);
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}
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#ifndef OBJ_XREF_TEST2
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if (rv == NULL) {
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rv = OBJ_bsearch_sig(&tmp, sigoid_srt, OSSL_NELEM(sigoid_srt));
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}
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#endif
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if (rv == NULL)
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return 0;
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if (pdig_nid)
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*pdig_nid = rv->hash_id;
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if (ppkey_nid)
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*ppkey_nid = rv->pkey_id;
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return 1;
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}
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int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
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{
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nid_triple tmp;
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const nid_triple *t = &tmp;
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const nid_triple **rv = NULL;
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tmp.hash_id = dig_nid;
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tmp.pkey_id = pkey_nid;
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if (sigx_app) {
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int idx = sk_nid_triple_find(sigx_app, &tmp);
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if (idx >= 0) {
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t = sk_nid_triple_value(sigx_app, idx);
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rv = &t;
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}
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}
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#ifndef OBJ_XREF_TEST2
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if (rv == NULL) {
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rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, OSSL_NELEM(sigoid_srt_xref));
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}
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#endif
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if (rv == NULL)
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return 0;
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if (psignid)
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*psignid = (*rv)->sign_id;
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return 1;
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}
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int OBJ_add_sigid(int signid, int dig_id, int pkey_id)
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{
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nid_triple *ntr;
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if (sig_app == NULL)
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sig_app = sk_nid_triple_new(sig_sk_cmp);
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if (sig_app == NULL)
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return 0;
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if (sigx_app == NULL)
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sigx_app = sk_nid_triple_new(sigx_cmp);
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if (sigx_app == NULL)
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return 0;
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if ((ntr = OPENSSL_malloc(sizeof(*ntr))) == NULL) {
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OBJerr(OBJ_F_OBJ_ADD_SIGID, ERR_R_MALLOC_FAILURE);
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return 0;
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}
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ntr->sign_id = signid;
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ntr->hash_id = dig_id;
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ntr->pkey_id = pkey_id;
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if (!sk_nid_triple_push(sig_app, ntr)) {
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OPENSSL_free(ntr);
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return 0;
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}
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if (!sk_nid_triple_push(sigx_app, ntr))
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return 0;
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sk_nid_triple_sort(sig_app);
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sk_nid_triple_sort(sigx_app);
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return 1;
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}
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static void sid_free(nid_triple *tt)
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{
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OPENSSL_free(tt);
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}
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void OBJ_sigid_free(void)
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{
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sk_nid_triple_pop_free(sig_app, sid_free);
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sig_app = NULL;
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sk_nid_triple_free(sigx_app);
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sigx_app = NULL;
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}
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