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Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78
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winlin
parent
8f1c992379
commit
96dbd7bced
1476 changed files with 616554 additions and 4 deletions
308
trunk/3rdparty/openssl-1.1-fit/crypto/engine/eng_table.c
vendored
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308
trunk/3rdparty/openssl-1.1-fit/crypto/engine/eng_table.c
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@ -0,0 +1,308 @@
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/*
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* Copyright 2001-2018 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 "internal/cryptlib.h"
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#include <openssl/evp.h>
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#include <openssl/lhash.h>
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#include "eng_int.h"
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/* The type of the items in the table */
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struct st_engine_pile {
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/* The 'nid' of this algorithm/mode */
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int nid;
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/* ENGINEs that implement this algorithm/mode. */
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STACK_OF(ENGINE) *sk;
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/* The default ENGINE to perform this algorithm/mode. */
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ENGINE *funct;
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/*
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* Zero if 'sk' is newer than the cached 'funct', non-zero otherwise
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*/
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int uptodate;
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};
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/* The type exposed in eng_int.h */
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struct st_engine_table {
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LHASH_OF(ENGINE_PILE) piles;
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}; /* ENGINE_TABLE */
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typedef struct st_engine_pile_doall {
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engine_table_doall_cb *cb;
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void *arg;
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} ENGINE_PILE_DOALL;
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/* Global flags (ENGINE_TABLE_FLAG_***). */
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static unsigned int table_flags = 0;
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/* API function manipulating 'table_flags' */
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unsigned int ENGINE_get_table_flags(void)
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{
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return table_flags;
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}
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void ENGINE_set_table_flags(unsigned int flags)
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{
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table_flags = flags;
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}
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/* Internal functions for the "piles" hash table */
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static unsigned long engine_pile_hash(const ENGINE_PILE *c)
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{
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return c->nid;
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}
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static int engine_pile_cmp(const ENGINE_PILE *a, const ENGINE_PILE *b)
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{
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return a->nid - b->nid;
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}
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static int int_table_check(ENGINE_TABLE **t, int create)
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{
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LHASH_OF(ENGINE_PILE) *lh;
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if (*t)
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return 1;
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if (!create)
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return 0;
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if ((lh = lh_ENGINE_PILE_new(engine_pile_hash, engine_pile_cmp)) == NULL)
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return 0;
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*t = (ENGINE_TABLE *)lh;
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return 1;
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}
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/*
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* Privately exposed (via eng_int.h) functions for adding and/or removing
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* ENGINEs from the implementation table
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*/
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int engine_table_register(ENGINE_TABLE **table, ENGINE_CLEANUP_CB *cleanup,
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ENGINE *e, const int *nids, int num_nids,
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int setdefault)
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{
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int ret = 0, added = 0;
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ENGINE_PILE tmplate, *fnd;
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CRYPTO_THREAD_write_lock(global_engine_lock);
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if (!(*table))
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added = 1;
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if (!int_table_check(table, 1))
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goto end;
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if (added)
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/* The cleanup callback needs to be added */
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engine_cleanup_add_first(cleanup);
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while (num_nids--) {
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tmplate.nid = *nids;
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fnd = lh_ENGINE_PILE_retrieve(&(*table)->piles, &tmplate);
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if (!fnd) {
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fnd = OPENSSL_malloc(sizeof(*fnd));
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if (fnd == NULL)
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goto end;
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fnd->uptodate = 1;
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fnd->nid = *nids;
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fnd->sk = sk_ENGINE_new_null();
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if (!fnd->sk) {
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OPENSSL_free(fnd);
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goto end;
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}
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fnd->funct = NULL;
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(void)lh_ENGINE_PILE_insert(&(*table)->piles, fnd);
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if (lh_ENGINE_PILE_retrieve(&(*table)->piles, &tmplate) != fnd) {
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sk_ENGINE_free(fnd->sk);
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OPENSSL_free(fnd);
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goto end;
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}
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}
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/* A registration shouldn't add duplicate entries */
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(void)sk_ENGINE_delete_ptr(fnd->sk, e);
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/*
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* if 'setdefault', this ENGINE goes to the head of the list
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*/
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if (!sk_ENGINE_push(fnd->sk, e))
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goto end;
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/* "touch" this ENGINE_PILE */
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fnd->uptodate = 0;
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if (setdefault) {
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if (!engine_unlocked_init(e)) {
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ENGINEerr(ENGINE_F_ENGINE_TABLE_REGISTER,
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ENGINE_R_INIT_FAILED);
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goto end;
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}
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if (fnd->funct)
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engine_unlocked_finish(fnd->funct, 0);
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fnd->funct = e;
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fnd->uptodate = 1;
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}
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nids++;
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}
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ret = 1;
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end:
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CRYPTO_THREAD_unlock(global_engine_lock);
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return ret;
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}
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static void int_unregister_cb(ENGINE_PILE *pile, ENGINE *e)
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{
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int n;
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/* Iterate the 'c->sk' stack removing any occurrence of 'e' */
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while ((n = sk_ENGINE_find(pile->sk, e)) >= 0) {
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(void)sk_ENGINE_delete(pile->sk, n);
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pile->uptodate = 0;
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}
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if (pile->funct == e) {
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engine_unlocked_finish(e, 0);
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pile->funct = NULL;
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}
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}
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IMPLEMENT_LHASH_DOALL_ARG(ENGINE_PILE, ENGINE);
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void engine_table_unregister(ENGINE_TABLE **table, ENGINE *e)
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{
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CRYPTO_THREAD_write_lock(global_engine_lock);
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if (int_table_check(table, 0))
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lh_ENGINE_PILE_doall_ENGINE(&(*table)->piles, int_unregister_cb, e);
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CRYPTO_THREAD_unlock(global_engine_lock);
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}
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static void int_cleanup_cb_doall(ENGINE_PILE *p)
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{
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if (!p)
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return;
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sk_ENGINE_free(p->sk);
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if (p->funct)
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engine_unlocked_finish(p->funct, 0);
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OPENSSL_free(p);
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}
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void engine_table_cleanup(ENGINE_TABLE **table)
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{
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CRYPTO_THREAD_write_lock(global_engine_lock);
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if (*table) {
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lh_ENGINE_PILE_doall(&(*table)->piles, int_cleanup_cb_doall);
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lh_ENGINE_PILE_free(&(*table)->piles);
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*table = NULL;
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}
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CRYPTO_THREAD_unlock(global_engine_lock);
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}
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/* return a functional reference for a given 'nid' */
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#ifndef ENGINE_TABLE_DEBUG
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ENGINE *engine_table_select(ENGINE_TABLE **table, int nid)
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#else
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ENGINE *engine_table_select_tmp(ENGINE_TABLE **table, int nid, const char *f,
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int l)
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#endif
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{
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ENGINE *ret = NULL;
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ENGINE_PILE tmplate, *fnd = NULL;
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int initres, loop = 0;
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if (!(*table)) {
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#ifdef ENGINE_TABLE_DEBUG
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fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, nothing "
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"registered!\n", f, l, nid);
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#endif
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return NULL;
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}
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ERR_set_mark();
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CRYPTO_THREAD_write_lock(global_engine_lock);
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/*
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* Check again inside the lock otherwise we could race against cleanup
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* operations. But don't worry about a fprintf(stderr).
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*/
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if (!int_table_check(table, 0))
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goto end;
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tmplate.nid = nid;
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fnd = lh_ENGINE_PILE_retrieve(&(*table)->piles, &tmplate);
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if (!fnd)
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goto end;
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if (fnd->funct && engine_unlocked_init(fnd->funct)) {
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#ifdef ENGINE_TABLE_DEBUG
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fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, using "
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"ENGINE '%s' cached\n", f, l, nid, fnd->funct->id);
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#endif
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ret = fnd->funct;
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goto end;
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}
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if (fnd->uptodate) {
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ret = fnd->funct;
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goto end;
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}
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trynext:
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ret = sk_ENGINE_value(fnd->sk, loop++);
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if (!ret) {
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#ifdef ENGINE_TABLE_DEBUG
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fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, no "
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"registered implementations would initialise\n", f, l, nid);
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#endif
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goto end;
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}
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/* Try to initialise the ENGINE? */
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if ((ret->funct_ref > 0) || !(table_flags & ENGINE_TABLE_FLAG_NOINIT))
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initres = engine_unlocked_init(ret);
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else
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initres = 0;
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if (initres) {
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/* Update 'funct' */
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if ((fnd->funct != ret) && engine_unlocked_init(ret)) {
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/* If there was a previous default we release it. */
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if (fnd->funct)
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engine_unlocked_finish(fnd->funct, 0);
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fnd->funct = ret;
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#ifdef ENGINE_TABLE_DEBUG
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fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, "
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"setting default to '%s'\n", f, l, nid, ret->id);
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#endif
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}
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#ifdef ENGINE_TABLE_DEBUG
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fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, using "
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"newly initialised '%s'\n", f, l, nid, ret->id);
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#endif
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goto end;
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}
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goto trynext;
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end:
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/*
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* If it failed, it is unlikely to succeed again until some future
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* registrations have taken place. In all cases, we cache.
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*/
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if (fnd)
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fnd->uptodate = 1;
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#ifdef ENGINE_TABLE_DEBUG
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if (ret)
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fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, caching "
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"ENGINE '%s'\n", f, l, nid, ret->id);
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else
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fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, caching "
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"'no matching ENGINE'\n", f, l, nid);
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#endif
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CRYPTO_THREAD_unlock(global_engine_lock);
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/*
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* Whatever happened, any failed init()s are not failures in this
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* context, so clear our error state.
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*/
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ERR_pop_to_mark();
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return ret;
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}
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/* Table enumeration */
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static void int_dall(const ENGINE_PILE *pile, ENGINE_PILE_DOALL *dall)
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{
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dall->cb(pile->nid, pile->sk, pile->funct, dall->arg);
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}
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IMPLEMENT_LHASH_DOALL_ARG_CONST(ENGINE_PILE, ENGINE_PILE_DOALL);
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void engine_table_doall(ENGINE_TABLE *table, engine_table_doall_cb *cb,
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void *arg)
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{
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ENGINE_PILE_DOALL dall;
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dall.cb = cb;
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dall.arg = arg;
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if (table)
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lh_ENGINE_PILE_doall_ENGINE_PILE_DOALL(&table->piles, int_dall, &dall);
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}
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