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Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

This commit is contained in:
winlin 2021-03-01 20:47:57 +08:00
parent 8f1c992379
commit 96dbd7bced
1476 changed files with 616554 additions and 4 deletions

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/*
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
/* This must be the first #include file */
#include "../async_locl.h"
#ifdef ASYNC_NULL
int ASYNC_is_capable(void)
{
return 0;
}
void async_local_cleanup(void)
{
}
#endif

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/*
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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/async.h>
/*
* If we haven't managed to detect any other async architecture then we default
* to NULL.
*/
#ifndef ASYNC_ARCH
# define ASYNC_NULL
# define ASYNC_ARCH
typedef struct async_fibre_st {
int dummy;
} async_fibre;
# define async_fibre_swapcontext(o,n,r) 0
# define async_fibre_makecontext(c) 0
# define async_fibre_free(f)
# define async_fibre_init_dispatcher(f)
#endif

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/*
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
/* This must be the first #include file */
#include "../async_locl.h"
#ifdef ASYNC_POSIX
# include <stddef.h>
# include <unistd.h>
#define STACKSIZE 32768
int ASYNC_is_capable(void)
{
ucontext_t ctx;
/*
* Some platforms provide getcontext() but it does not work (notably
* MacOSX PPC64). Check for a working getcontext();
*/
return getcontext(&ctx) == 0;
}
void async_local_cleanup(void)
{
}
int async_fibre_makecontext(async_fibre *fibre)
{
fibre->env_init = 0;
if (getcontext(&fibre->fibre) == 0) {
fibre->fibre.uc_stack.ss_sp = OPENSSL_malloc(STACKSIZE);
if (fibre->fibre.uc_stack.ss_sp != NULL) {
fibre->fibre.uc_stack.ss_size = STACKSIZE;
fibre->fibre.uc_link = NULL;
makecontext(&fibre->fibre, async_start_func, 0);
return 1;
}
} else {
fibre->fibre.uc_stack.ss_sp = NULL;
}
return 0;
}
void async_fibre_free(async_fibre *fibre)
{
OPENSSL_free(fibre->fibre.uc_stack.ss_sp);
fibre->fibre.uc_stack.ss_sp = NULL;
}
#endif

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/*
* Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
#ifndef OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H
#define OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H
#include <openssl/e_os2.h>
#if defined(OPENSSL_SYS_UNIX) \
&& defined(OPENSSL_THREADS) && !defined(OPENSSL_NO_ASYNC) \
&& !defined(__ANDROID__) && !defined(__OpenBSD__)
# include <unistd.h>
# if _POSIX_VERSION >= 200112L \
&& (_POSIX_VERSION < 200809L || defined(__GLIBC__))
# include <pthread.h>
# define ASYNC_POSIX
# define ASYNC_ARCH
# include <ucontext.h>
# include <setjmp.h>
typedef struct async_fibre_st {
ucontext_t fibre;
jmp_buf env;
int env_init;
} async_fibre;
static ossl_inline int async_fibre_swapcontext(async_fibre *o, async_fibre *n, int r)
{
o->env_init = 1;
if (!r || !_setjmp(o->env)) {
if (n->env_init)
_longjmp(n->env, 1);
else
setcontext(&n->fibre);
}
return 1;
}
# define async_fibre_init_dispatcher(d)
int async_fibre_makecontext(async_fibre *fibre);
void async_fibre_free(async_fibre *fibre);
# endif
#endif
#endif /* OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H */

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/*
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
/* This must be the first #include file */
#include "../async_locl.h"
#ifdef ASYNC_WIN
# include <windows.h>
# include "internal/cryptlib.h"
int ASYNC_is_capable(void)
{
return 1;
}
void async_local_cleanup(void)
{
async_ctx *ctx = async_get_ctx();
if (ctx != NULL) {
async_fibre *fibre = &ctx->dispatcher;
if (fibre != NULL && fibre->fibre != NULL && fibre->converted) {
ConvertFiberToThread();
fibre->fibre = NULL;
}
}
}
int async_fibre_init_dispatcher(async_fibre *fibre)
{
fibre->fibre = ConvertThreadToFiber(NULL);
if (fibre->fibre == NULL) {
fibre->converted = 0;
fibre->fibre = GetCurrentFiber();
if (fibre->fibre == NULL)
return 0;
} else {
fibre->converted = 1;
}
return 1;
}
VOID CALLBACK async_start_func_win(PVOID unused)
{
async_start_func();
}
#endif

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/*
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
/*
* This is the same detection used in cryptlib to set up the thread local
* storage that we depend on, so just copy that
*/
#if defined(_WIN32) && !defined(OPENSSL_NO_ASYNC)
#include <openssl/async.h>
# define ASYNC_WIN
# define ASYNC_ARCH
# include <windows.h>
# include "internal/cryptlib.h"
typedef struct async_fibre_st {
LPVOID fibre;
int converted;
} async_fibre;
# define async_fibre_swapcontext(o,n,r) \
(SwitchToFiber((n)->fibre), 1)
# define async_fibre_makecontext(c) \
((c)->fibre = CreateFiber(0, async_start_func_win, 0))
# define async_fibre_free(f) (DeleteFiber((f)->fibre))
int async_fibre_init_dispatcher(async_fibre *fibre);
VOID CALLBACK async_start_func_win(PVOID unused);
#endif

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/*
* Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
/*
* Without this we start getting longjmp crashes because it thinks we're jumping
* up the stack when in fact we are jumping to an entirely different stack. The
* cost of this is not having certain buffer overrun/underrun checks etc for
* this source file :-(
*/
#undef _FORTIFY_SOURCE
/* This must be the first #include file */
#include "async_locl.h"
#include <openssl/err.h>
#include "internal/cryptlib_int.h"
#include <string.h>
#define ASYNC_JOB_RUNNING 0
#define ASYNC_JOB_PAUSING 1
#define ASYNC_JOB_PAUSED 2
#define ASYNC_JOB_STOPPING 3
static CRYPTO_THREAD_LOCAL ctxkey;
static CRYPTO_THREAD_LOCAL poolkey;
static async_ctx *async_ctx_new(void)
{
async_ctx *nctx;
if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ASYNC))
return NULL;
nctx = OPENSSL_malloc(sizeof(*nctx));
if (nctx == NULL) {
ASYNCerr(ASYNC_F_ASYNC_CTX_NEW, ERR_R_MALLOC_FAILURE);
goto err;
}
async_fibre_init_dispatcher(&nctx->dispatcher);
nctx->currjob = NULL;
nctx->blocked = 0;
if (!CRYPTO_THREAD_set_local(&ctxkey, nctx))
goto err;
return nctx;
err:
OPENSSL_free(nctx);
return NULL;
}
async_ctx *async_get_ctx(void)
{
return (async_ctx *)CRYPTO_THREAD_get_local(&ctxkey);
}
static int async_ctx_free(void)
{
async_ctx *ctx;
ctx = async_get_ctx();
if (!CRYPTO_THREAD_set_local(&ctxkey, NULL))
return 0;
OPENSSL_free(ctx);
return 1;
}
static ASYNC_JOB *async_job_new(void)
{
ASYNC_JOB *job = NULL;
job = OPENSSL_zalloc(sizeof(*job));
if (job == NULL) {
ASYNCerr(ASYNC_F_ASYNC_JOB_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
}
job->status = ASYNC_JOB_RUNNING;
return job;
}
static void async_job_free(ASYNC_JOB *job)
{
if (job != NULL) {
OPENSSL_free(job->funcargs);
async_fibre_free(&job->fibrectx);
OPENSSL_free(job);
}
}
static ASYNC_JOB *async_get_pool_job(void) {
ASYNC_JOB *job;
async_pool *pool;
pool = (async_pool *)CRYPTO_THREAD_get_local(&poolkey);
if (pool == NULL) {
/*
* Pool has not been initialised, so init with the defaults, i.e.
* no max size and no pre-created jobs
*/
if (ASYNC_init_thread(0, 0) == 0)
return NULL;
pool = (async_pool *)CRYPTO_THREAD_get_local(&poolkey);
}
job = sk_ASYNC_JOB_pop(pool->jobs);
if (job == NULL) {
/* Pool is empty */
if ((pool->max_size != 0) && (pool->curr_size >= pool->max_size))
return NULL;
job = async_job_new();
if (job != NULL) {
if (! async_fibre_makecontext(&job->fibrectx)) {
async_job_free(job);
return NULL;
}
pool->curr_size++;
}
}
return job;
}
static void async_release_job(ASYNC_JOB *job) {
async_pool *pool;
pool = (async_pool *)CRYPTO_THREAD_get_local(&poolkey);
OPENSSL_free(job->funcargs);
job->funcargs = NULL;
sk_ASYNC_JOB_push(pool->jobs, job);
}
void async_start_func(void)
{
ASYNC_JOB *job;
async_ctx *ctx = async_get_ctx();
while (1) {
/* Run the job */
job = ctx->currjob;
job->ret = job->func(job->funcargs);
/* Stop the job */
job->status = ASYNC_JOB_STOPPING;
if (!async_fibre_swapcontext(&job->fibrectx,
&ctx->dispatcher, 1)) {
/*
* Should not happen. Getting here will close the thread...can't do
* much about it
*/
ASYNCerr(ASYNC_F_ASYNC_START_FUNC, ASYNC_R_FAILED_TO_SWAP_CONTEXT);
}
}
}
int ASYNC_start_job(ASYNC_JOB **job, ASYNC_WAIT_CTX *wctx, int *ret,
int (*func)(void *), void *args, size_t size)
{
async_ctx *ctx;
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
return ASYNC_ERR;
ctx = async_get_ctx();
if (ctx == NULL)
ctx = async_ctx_new();
if (ctx == NULL)
return ASYNC_ERR;
if (*job)
ctx->currjob = *job;
for (;;) {
if (ctx->currjob != NULL) {
if (ctx->currjob->status == ASYNC_JOB_STOPPING) {
*ret = ctx->currjob->ret;
ctx->currjob->waitctx = NULL;
async_release_job(ctx->currjob);
ctx->currjob = NULL;
*job = NULL;
return ASYNC_FINISH;
}
if (ctx->currjob->status == ASYNC_JOB_PAUSING) {
*job = ctx->currjob;
ctx->currjob->status = ASYNC_JOB_PAUSED;
ctx->currjob = NULL;
return ASYNC_PAUSE;
}
if (ctx->currjob->status == ASYNC_JOB_PAUSED) {
ctx->currjob = *job;
/* Resume previous job */
if (!async_fibre_swapcontext(&ctx->dispatcher,
&ctx->currjob->fibrectx, 1)) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB,
ASYNC_R_FAILED_TO_SWAP_CONTEXT);
goto err;
}
continue;
}
/* Should not happen */
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_INTERNAL_ERROR);
async_release_job(ctx->currjob);
ctx->currjob = NULL;
*job = NULL;
return ASYNC_ERR;
}
/* Start a new job */
if ((ctx->currjob = async_get_pool_job()) == NULL)
return ASYNC_NO_JOBS;
if (args != NULL) {
ctx->currjob->funcargs = OPENSSL_malloc(size);
if (ctx->currjob->funcargs == NULL) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_MALLOC_FAILURE);
async_release_job(ctx->currjob);
ctx->currjob = NULL;
return ASYNC_ERR;
}
memcpy(ctx->currjob->funcargs, args, size);
} else {
ctx->currjob->funcargs = NULL;
}
ctx->currjob->func = func;
ctx->currjob->waitctx = wctx;
if (!async_fibre_swapcontext(&ctx->dispatcher,
&ctx->currjob->fibrectx, 1)) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ASYNC_R_FAILED_TO_SWAP_CONTEXT);
goto err;
}
}
err:
async_release_job(ctx->currjob);
ctx->currjob = NULL;
*job = NULL;
return ASYNC_ERR;
}
int ASYNC_pause_job(void)
{
ASYNC_JOB *job;
async_ctx *ctx = async_get_ctx();
if (ctx == NULL
|| ctx->currjob == NULL
|| ctx->blocked) {
/*
* Could be we've deliberately not been started within a job so this is
* counted as success.
*/
return 1;
}
job = ctx->currjob;
job->status = ASYNC_JOB_PAUSING;
if (!async_fibre_swapcontext(&job->fibrectx,
&ctx->dispatcher, 1)) {
ASYNCerr(ASYNC_F_ASYNC_PAUSE_JOB, ASYNC_R_FAILED_TO_SWAP_CONTEXT);
return 0;
}
/* Reset counts of added and deleted fds */
async_wait_ctx_reset_counts(job->waitctx);
return 1;
}
static void async_empty_pool(async_pool *pool)
{
ASYNC_JOB *job;
if (!pool || !pool->jobs)
return;
do {
job = sk_ASYNC_JOB_pop(pool->jobs);
async_job_free(job);
} while (job);
}
int async_init(void)
{
if (!CRYPTO_THREAD_init_local(&ctxkey, NULL))
return 0;
if (!CRYPTO_THREAD_init_local(&poolkey, NULL)) {
CRYPTO_THREAD_cleanup_local(&ctxkey);
return 0;
}
return 1;
}
void async_deinit(void)
{
CRYPTO_THREAD_cleanup_local(&ctxkey);
CRYPTO_THREAD_cleanup_local(&poolkey);
}
int ASYNC_init_thread(size_t max_size, size_t init_size)
{
async_pool *pool;
size_t curr_size = 0;
if (init_size > max_size) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INVALID_POOL_SIZE);
return 0;
}
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
return 0;
if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ASYNC))
return 0;
pool = OPENSSL_zalloc(sizeof(*pool));
if (pool == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
return 0;
}
pool->jobs = sk_ASYNC_JOB_new_reserve(NULL, init_size);
if (pool->jobs == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
OPENSSL_free(pool);
return 0;
}
pool->max_size = max_size;
/* Pre-create jobs as required */
while (init_size--) {
ASYNC_JOB *job;
job = async_job_new();
if (job == NULL || !async_fibre_makecontext(&job->fibrectx)) {
/*
* Not actually fatal because we already created the pool, just
* skip creation of any more jobs
*/
async_job_free(job);
break;
}
job->funcargs = NULL;
sk_ASYNC_JOB_push(pool->jobs, job); /* Cannot fail due to reserve */
curr_size++;
}
pool->curr_size = curr_size;
if (!CRYPTO_THREAD_set_local(&poolkey, pool)) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_FAILED_TO_SET_POOL);
goto err;
}
return 1;
err:
async_empty_pool(pool);
sk_ASYNC_JOB_free(pool->jobs);
OPENSSL_free(pool);
return 0;
}
void async_delete_thread_state(void)
{
async_pool *pool = (async_pool *)CRYPTO_THREAD_get_local(&poolkey);
if (pool != NULL) {
async_empty_pool(pool);
sk_ASYNC_JOB_free(pool->jobs);
OPENSSL_free(pool);
CRYPTO_THREAD_set_local(&poolkey, NULL);
}
async_local_cleanup();
async_ctx_free();
}
void ASYNC_cleanup_thread(void)
{
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
return;
async_delete_thread_state();
}
ASYNC_JOB *ASYNC_get_current_job(void)
{
async_ctx *ctx;
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
return NULL;
ctx = async_get_ctx();
if (ctx == NULL)
return NULL;
return ctx->currjob;
}
ASYNC_WAIT_CTX *ASYNC_get_wait_ctx(ASYNC_JOB *job)
{
return job->waitctx;
}
void ASYNC_block_pause(void)
{
async_ctx *ctx;
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
return;
ctx = async_get_ctx();
if (ctx == NULL || ctx->currjob == NULL) {
/*
* We're not in a job anyway so ignore this
*/
return;
}
ctx->blocked++;
}
void ASYNC_unblock_pause(void)
{
async_ctx *ctx;
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
return;
ctx = async_get_ctx();
if (ctx == NULL || ctx->currjob == NULL) {
/*
* We're not in a job anyway so ignore this
*/
return;
}
if (ctx->blocked > 0)
ctx->blocked--;
}

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/*
* Generated by util/mkerr.pl DO NOT EDIT
* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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/err.h>
#include <openssl/asyncerr.h>
#ifndef OPENSSL_NO_ERR
static const ERR_STRING_DATA ASYNC_str_functs[] = {
{ERR_PACK(ERR_LIB_ASYNC, ASYNC_F_ASYNC_CTX_NEW, 0), "async_ctx_new"},
{ERR_PACK(ERR_LIB_ASYNC, ASYNC_F_ASYNC_INIT_THREAD, 0),
"ASYNC_init_thread"},
{ERR_PACK(ERR_LIB_ASYNC, ASYNC_F_ASYNC_JOB_NEW, 0), "async_job_new"},
{ERR_PACK(ERR_LIB_ASYNC, ASYNC_F_ASYNC_PAUSE_JOB, 0), "ASYNC_pause_job"},
{ERR_PACK(ERR_LIB_ASYNC, ASYNC_F_ASYNC_START_FUNC, 0), "async_start_func"},
{ERR_PACK(ERR_LIB_ASYNC, ASYNC_F_ASYNC_START_JOB, 0), "ASYNC_start_job"},
{ERR_PACK(ERR_LIB_ASYNC, ASYNC_F_ASYNC_WAIT_CTX_SET_WAIT_FD, 0),
"ASYNC_WAIT_CTX_set_wait_fd"},
{0, NULL}
};
static const ERR_STRING_DATA ASYNC_str_reasons[] = {
{ERR_PACK(ERR_LIB_ASYNC, 0, ASYNC_R_FAILED_TO_SET_POOL),
"failed to set pool"},
{ERR_PACK(ERR_LIB_ASYNC, 0, ASYNC_R_FAILED_TO_SWAP_CONTEXT),
"failed to swap context"},
{ERR_PACK(ERR_LIB_ASYNC, 0, ASYNC_R_INIT_FAILED), "init failed"},
{ERR_PACK(ERR_LIB_ASYNC, 0, ASYNC_R_INVALID_POOL_SIZE),
"invalid pool size"},
{0, NULL}
};
#endif
int ERR_load_ASYNC_strings(void)
{
#ifndef OPENSSL_NO_ERR
if (ERR_func_error_string(ASYNC_str_functs[0].error) == NULL) {
ERR_load_strings_const(ASYNC_str_functs);
ERR_load_strings_const(ASYNC_str_reasons);
}
#endif
return 1;
}

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/*
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
/*
* Must do this before including any header files, because on MacOS/X <stlib.h>
* includes <signal.h> which includes <ucontext.h>
*/
#if defined(__APPLE__) && defined(__MACH__) && !defined(_XOPEN_SOURCE)
# define _XOPEN_SOURCE /* Otherwise incomplete ucontext_t structure */
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#if defined(_WIN32)
# include <windows.h>
#endif
#include "internal/async.h"
#include <openssl/crypto.h>
typedef struct async_ctx_st async_ctx;
typedef struct async_pool_st async_pool;
#include "arch/async_win.h"
#include "arch/async_posix.h"
#include "arch/async_null.h"
struct async_ctx_st {
async_fibre dispatcher;
ASYNC_JOB *currjob;
unsigned int blocked;
};
struct async_job_st {
async_fibre fibrectx;
int (*func) (void *);
void *funcargs;
int ret;
int status;
ASYNC_WAIT_CTX *waitctx;
};
struct fd_lookup_st {
const void *key;
OSSL_ASYNC_FD fd;
void *custom_data;
void (*cleanup)(ASYNC_WAIT_CTX *, const void *, OSSL_ASYNC_FD, void *);
int add;
int del;
struct fd_lookup_st *next;
};
struct async_wait_ctx_st {
struct fd_lookup_st *fds;
size_t numadd;
size_t numdel;
};
DEFINE_STACK_OF(ASYNC_JOB)
struct async_pool_st {
STACK_OF(ASYNC_JOB) *jobs;
size_t curr_size;
size_t max_size;
};
void async_local_cleanup(void);
void async_start_func(void);
async_ctx *async_get_ctx(void);
void async_wait_ctx_reset_counts(ASYNC_WAIT_CTX *ctx);

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/*
* Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
/* This must be the first #include file */
#include "async_locl.h"
#include <openssl/err.h>
ASYNC_WAIT_CTX *ASYNC_WAIT_CTX_new(void)
{
return OPENSSL_zalloc(sizeof(ASYNC_WAIT_CTX));
}
void ASYNC_WAIT_CTX_free(ASYNC_WAIT_CTX *ctx)
{
struct fd_lookup_st *curr;
struct fd_lookup_st *next;
if (ctx == NULL)
return;
curr = ctx->fds;
while (curr != NULL) {
if (!curr->del) {
/* Only try and cleanup if it hasn't been marked deleted */
if (curr->cleanup != NULL)
curr->cleanup(ctx, curr->key, curr->fd, curr->custom_data);
}
/* Always free the fd_lookup_st */
next = curr->next;
OPENSSL_free(curr);
curr = next;
}
OPENSSL_free(ctx);
}
int ASYNC_WAIT_CTX_set_wait_fd(ASYNC_WAIT_CTX *ctx, const void *key,
OSSL_ASYNC_FD fd, void *custom_data,
void (*cleanup)(ASYNC_WAIT_CTX *, const void *,
OSSL_ASYNC_FD, void *))
{
struct fd_lookup_st *fdlookup;
if ((fdlookup = OPENSSL_zalloc(sizeof(*fdlookup))) == NULL) {
ASYNCerr(ASYNC_F_ASYNC_WAIT_CTX_SET_WAIT_FD, ERR_R_MALLOC_FAILURE);
return 0;
}
fdlookup->key = key;
fdlookup->fd = fd;
fdlookup->custom_data = custom_data;
fdlookup->cleanup = cleanup;
fdlookup->add = 1;
fdlookup->next = ctx->fds;
ctx->fds = fdlookup;
ctx->numadd++;
return 1;
}
int ASYNC_WAIT_CTX_get_fd(ASYNC_WAIT_CTX *ctx, const void *key,
OSSL_ASYNC_FD *fd, void **custom_data)
{
struct fd_lookup_st *curr;
curr = ctx->fds;
while (curr != NULL) {
if (curr->del) {
/* This one has been marked deleted so do nothing */
curr = curr->next;
continue;
}
if (curr->key == key) {
*fd = curr->fd;
*custom_data = curr->custom_data;
return 1;
}
curr = curr->next;
}
return 0;
}
int ASYNC_WAIT_CTX_get_all_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *fd,
size_t *numfds)
{
struct fd_lookup_st *curr;
curr = ctx->fds;
*numfds = 0;
while (curr != NULL) {
if (curr->del) {
/* This one has been marked deleted so do nothing */
curr = curr->next;
continue;
}
if (fd != NULL) {
*fd = curr->fd;
fd++;
}
(*numfds)++;
curr = curr->next;
}
return 1;
}
int ASYNC_WAIT_CTX_get_changed_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *addfd,
size_t *numaddfds, OSSL_ASYNC_FD *delfd,
size_t *numdelfds)
{
struct fd_lookup_st *curr;
*numaddfds = ctx->numadd;
*numdelfds = ctx->numdel;
if (addfd == NULL && delfd == NULL)
return 1;
curr = ctx->fds;
while (curr != NULL) {
/* We ignore fds that have been marked as both added and deleted */
if (curr->del && !curr->add && (delfd != NULL)) {
*delfd = curr->fd;
delfd++;
}
if (curr->add && !curr->del && (addfd != NULL)) {
*addfd = curr->fd;
addfd++;
}
curr = curr->next;
}
return 1;
}
int ASYNC_WAIT_CTX_clear_fd(ASYNC_WAIT_CTX *ctx, const void *key)
{
struct fd_lookup_st *curr, *prev;
curr = ctx->fds;
prev = NULL;
while (curr != NULL) {
if (curr->del == 1) {
/* This one has been marked deleted already so do nothing */
prev = curr;
curr = curr->next;
continue;
}
if (curr->key == key) {
/* If fd has just been added, remove it from the list */
if (curr->add == 1) {
if (ctx->fds == curr) {
ctx->fds = curr->next;
} else {
prev->next = curr->next;
}
/* It is responsibility of the caller to cleanup before calling
* ASYNC_WAIT_CTX_clear_fd
*/
OPENSSL_free(curr);
ctx->numadd--;
return 1;
}
/*
* Mark it as deleted. We don't call cleanup if explicitly asked
* to clear an fd. We assume the caller is going to do that (if
* appropriate).
*/
curr->del = 1;
ctx->numdel++;
return 1;
}
prev = curr;
curr = curr->next;
}
return 0;
}
void async_wait_ctx_reset_counts(ASYNC_WAIT_CTX *ctx)
{
struct fd_lookup_st *curr, *prev = NULL;
ctx->numadd = 0;
ctx->numdel = 0;
curr = ctx->fds;
while (curr != NULL) {
if (curr->del) {
if (prev == NULL)
ctx->fds = curr->next;
else
prev->next = curr->next;
OPENSSL_free(curr);
if (prev == NULL)
curr = ctx->fds;
else
curr = prev->next;
continue;
}
if (curr->add) {
curr->add = 0;
}
prev = curr;
curr = curr->next;
}
}

View file

@ -0,0 +1,4 @@
LIBS=../../libcrypto
SOURCE[../../libcrypto]=\
async.c async_wait.c async_err.c arch/async_posix.c arch/async_win.c \
arch/async_null.c