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- /*
- * Copyright 2006-2020 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
- #include <openssl/objects.h>
- #include "obj_xref.h"
- #include "internal/nelem.h"
- #include <openssl/err.h>
- static STACK_OF(nid_triple) *sig_app, *sigx_app;
- static int sig_cmp(const nid_triple *a, const nid_triple *b)
- {
- return a->sign_id - b->sign_id;
- }
- DECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig);
- IMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig);
- static int sig_sk_cmp(const nid_triple *const *a, const nid_triple *const *b)
- {
- return (*a)->sign_id - (*b)->sign_id;
- }
- DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx);
- static int sigx_cmp(const nid_triple *const *a, const nid_triple *const *b)
- {
- int ret;
- ret = (*a)->hash_id - (*b)->hash_id;
- if (ret)
- return ret;
- return (*a)->pkey_id - (*b)->pkey_id;
- }
- IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx);
- int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid)
- {
- nid_triple tmp;
- const nid_triple *rv = NULL;
- tmp.sign_id = signid;
- if (sig_app != NULL) {
- int idx = sk_nid_triple_find(sig_app, &tmp);
- rv = sk_nid_triple_value(sig_app, idx);
- }
- #ifndef OBJ_XREF_TEST2
- if (rv == NULL) {
- rv = OBJ_bsearch_sig(&tmp, sigoid_srt, OSSL_NELEM(sigoid_srt));
- }
- #endif
- if (rv == NULL)
- return 0;
- if (pdig_nid)
- *pdig_nid = rv->hash_id;
- if (ppkey_nid)
- *ppkey_nid = rv->pkey_id;
- return 1;
- }
- int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
- {
- nid_triple tmp;
- const nid_triple *t = &tmp;
- const nid_triple **rv = NULL;
- tmp.hash_id = dig_nid;
- tmp.pkey_id = pkey_nid;
- if (sigx_app) {
- int idx = sk_nid_triple_find(sigx_app, &tmp);
- if (idx >= 0) {
- t = sk_nid_triple_value(sigx_app, idx);
- rv = &t;
- }
- }
- #ifndef OBJ_XREF_TEST2
- if (rv == NULL) {
- rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, OSSL_NELEM(sigoid_srt_xref));
- }
- #endif
- if (rv == NULL)
- return 0;
- if (psignid)
- *psignid = (*rv)->sign_id;
- return 1;
- }
- int OBJ_add_sigid(int signid, int dig_id, int pkey_id)
- {
- nid_triple *ntr;
- if (sig_app == NULL)
- sig_app = sk_nid_triple_new(sig_sk_cmp);
- if (sig_app == NULL)
- return 0;
- if (sigx_app == NULL)
- sigx_app = sk_nid_triple_new(sigx_cmp);
- if (sigx_app == NULL)
- return 0;
- if ((ntr = OPENSSL_malloc(sizeof(*ntr))) == NULL) {
- ERR_raise(ERR_LIB_OBJ, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- ntr->sign_id = signid;
- ntr->hash_id = dig_id;
- ntr->pkey_id = pkey_id;
- if (!sk_nid_triple_push(sig_app, ntr)) {
- OPENSSL_free(ntr);
- return 0;
- }
- if (!sk_nid_triple_push(sigx_app, ntr))
- return 0;
- sk_nid_triple_sort(sig_app);
- sk_nid_triple_sort(sigx_app);
- return 1;
- }
- static void sid_free(nid_triple *tt)
- {
- OPENSSL_free(tt);
- }
- void OBJ_sigid_free(void)
- {
- sk_nid_triple_pop_free(sig_app, sid_free);
- sig_app = NULL;
- sk_nid_triple_free(sigx_app);
- sigx_app = NULL;
- }
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