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Add ASYNC error codes

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Add ASYNCerr support to give some meaningful error message in the event of
a failure.

Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Matt Caswell 2015-10-06 14:47:00 +01:00
parent 9c8dc051d0
commit 079a1a9014
8 changed files with 162 additions and 13 deletions
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4
crypto/async/Makefile
View File

@ -17,8 +17,8 @@ TEST=
APPS=
LIB=$(TOP)/libcrypto.a
LIBSRC=async.c arch/async_posix.c arch/async_win.c arch/async_null.c
LIBOBJ=async.o arch/async_posix.o arch/async_win.o arch/async_null.o
LIBSRC=async.c async_err.c arch/async_posix.c arch/async_win.c arch/async_null.c
LIBOBJ=async.o async_err.o arch/async_posix.o arch/async_win.o arch/async_null.o
SRC= $(LIBSRC)

36
crypto/async/async.c
View File

@ -51,6 +51,7 @@
* ====================================================================
*/
#include <openssl/err.h>
#include <openssl/async.h>
#include <string.h>
#include "async_locl.h"
@ -65,7 +66,7 @@ static async_ctx *async_ctx_new(void)
async_ctx *nctx = NULL;
if(!(nctx = OPENSSL_malloc(sizeof (async_ctx)))) {
/* Error here */
ASYNCerr(ASYNC_F_ASYNC_CTX_NEW, ERR_R_MALLOC_FAILURE);
goto err;
}
@ -101,11 +102,13 @@ static ASYNC_JOB *async_job_new(void)
int pipefds[2];
if(!(job = OPENSSL_malloc(sizeof (ASYNC_JOB)))) {
ASYNCerr(ASYNC_F_ASYNC_JOB_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
}
if(!async_pipe(pipefds)) {
OPENSSL_free(job);
ASYNCerr(ASYNC_F_ASYNC_JOB_NEW, ASYNC_R_CANNOT_CREATE_WAIT_PIPE);
return NULL;
}
@ -181,9 +184,10 @@ void async_start_func(void)
if(!async_fibre_swapcontext(&job->fibrectx,
&async_get_ctx()->dispatcher, 1)) {
/*
* Should not happen. Getting here will close the thread...can't do much
* about it
* 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);
}
}
}
@ -220,12 +224,16 @@ int ASYNC_start_job(ASYNC_JOB **job, int *ret, int (*func)(void *),
async_get_ctx()->currjob = *job;
/* Resume previous job */
if(!async_fibre_swapcontext(&async_get_ctx()->dispatcher,
&async_get_ctx()->currjob->fibrectx, 1))
&async_get_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(async_get_ctx()->currjob);
async_get_ctx()->currjob = NULL;
*job = NULL;
@ -240,6 +248,7 @@ int ASYNC_start_job(ASYNC_JOB **job, int *ret, int (*func)(void *),
if(args != NULL) {
async_get_ctx()->currjob->funcargs = OPENSSL_malloc(size);
if(!async_get_ctx()->currjob->funcargs) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_MALLOC_FAILURE);
async_release_job(async_get_ctx()->currjob);
async_get_ctx()->currjob = NULL;
return ASYNC_ERR;
@ -251,8 +260,10 @@ int ASYNC_start_job(ASYNC_JOB **job, int *ret, int (*func)(void *),
async_get_ctx()->currjob->func = func;
if(!async_fibre_swapcontext(&async_get_ctx()->dispatcher,
&async_get_ctx()->currjob->fibrectx, 1))
&async_get_ctx()->currjob->fibrectx, 1)) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ASYNC_R_FAILED_TO_SWAP_CONTEXT);
goto err;
}
}
err:
@ -267,15 +278,20 @@ int ASYNC_pause_job(void)
{
ASYNC_JOB *job;
if(!async_get_ctx() || !async_get_ctx()->currjob)
if(!async_get_ctx() || !async_get_ctx()->currjob) {
/*
* Could be we've deliberately not been started within a job so we
* don't put an error on the error queue here.
*/
return 0;
}
job = async_get_ctx()->currjob;
job->status = ASYNC_JOB_PAUSING;
if(!async_fibre_swapcontext(&job->fibrectx,
&async_get_ctx()->dispatcher, 1)) {
/* Error */
ASYNCerr(ASYNC_F_ASYNC_PAUSE_JOB, ASYNC_R_FAILED_TO_SWAP_CONTEXT);
return 0;
}
@ -297,11 +313,14 @@ int ASYNC_init_pool(size_t max_size, size_t init_size)
STACK_OF(ASYNC_JOB) *pool;
size_t curr_size = 0;
if (init_size > max_size)
if (init_size > max_size) {
ASYNCerr(ASYNC_F_ASYNC_INIT_POOL, ASYNC_R_INVALID_POOL_SIZE);
return 0;
}
pool = sk_ASYNC_JOB_new_null();
if (pool == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_POOL, ERR_R_MALLOC_FAILURE);
return 0;
}
/* Pre-create jobs as required */
@ -324,6 +343,7 @@ int ASYNC_init_pool(size_t max_size, size_t init_size)
}
if (!async_set_pool(pool, curr_size, max_size)) {
ASYNCerr(ASYNC_F_ASYNC_INIT_POOL, ASYNC_R_FAILED_TO_SET_POOL);
async_empty_pool(pool);
sk_ASYNC_JOB_free(pool);
return 0;

101
crypto/async/async_err.c Normal file
View File

@ -0,0 +1,101 @@
/* crypto/async/async_err.c */
/* ====================================================================
* Copyright (c) 1999-2015 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/*
* NOTE: this file was auto generated by the mkerr.pl script: any changes
* made to it will be overwritten when the script next updates this file,
* only reason strings will be preserved.
*/
#include <stdio.h>
#include <openssl/err.h>
#include <openssl/async.h>
/* BEGIN ERROR CODES */
#ifndef OPENSSL_NO_ERR
# define ERR_FUNC(func) ERR_PACK(ERR_LIB_ASYNC,func,0)
# define ERR_REASON(reason) ERR_PACK(ERR_LIB_ASYNC,0,reason)
static ERR_STRING_DATA ASYNC_str_functs[] = {
{ERR_FUNC(ASYNC_F_ASYNC_CTX_NEW), "ASYNC_CTX_NEW"},
{ERR_FUNC(ASYNC_F_ASYNC_INIT_POOL), "ASYNC_init_pool"},
{ERR_FUNC(ASYNC_F_ASYNC_JOB_NEW), "ASYNC_JOB_NEW"},
{ERR_FUNC(ASYNC_F_ASYNC_PAUSE_JOB), "ASYNC_pause_job"},
{ERR_FUNC(ASYNC_F_ASYNC_START_FUNC), "ASYNC_START_FUNC"},
{ERR_FUNC(ASYNC_F_ASYNC_START_JOB), "ASYNC_start_job"},
{0, NULL}
};
static ERR_STRING_DATA ASYNC_str_reasons[] = {
{ERR_REASON(ASYNC_R_CANNOT_CREATE_WAIT_PIPE), "cannot create wait pipe"},
{ERR_REASON(ASYNC_R_FAILED_TO_SET_POOL), "failed to set pool"},
{ERR_REASON(ASYNC_R_FAILED_TO_SWAP_CONTEXT), "failed to swap context"},
{ERR_REASON(ASYNC_R_INVALID_POOL_SIZE), "invalid pool size"},
{0, NULL}
};
#endif
void ERR_load_ASYNC_strings(void)
{
#ifndef OPENSSL_NO_ERR
if (ERR_func_error_string(ASYNC_str_functs[0].error) == NULL) {
ERR_load_strings(0, ASYNC_str_functs);
ERR_load_strings(0, ASYNC_str_reasons);
}
#endif
}

1
crypto/err/err.c
View File

@ -157,6 +157,7 @@ static ERR_STRING_DATA ERR_str_libraries[] = {
{ERR_PACK(ERR_LIB_FIPS, 0, 0), "FIPS routines"},
{ERR_PACK(ERR_LIB_CMS, 0, 0), "CMS routines"},
{ERR_PACK(ERR_LIB_HMAC, 0, 0), "HMAC routines"},
{ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"},
{0, NULL},
};

2
crypto/err/err_all.c
View File

@ -106,6 +106,7 @@
# include <openssl/jpake.h>
#endif
#include <internal/ct_int.h>
#include <openssl/async.h>
void ERR_load_crypto_strings(void)
{
@ -165,5 +166,6 @@ void ERR_load_crypto_strings(void)
# ifndef OPENSSL_NO_CT
ERR_load_CT_strings();
# endif
ERR_load_ASYNC_strings();
#endif
}

1
crypto/err/openssl.ec
View File

@ -36,6 +36,7 @@ L HMAC include/openssl/hmac.h crypto/hmac/hmac_err.c
L CMS include/openssl/cms.h crypto/cms/cms_err.c
L JPAKE include/openssl/jpake.h crypto/jpake/jpake_err.c
L FIPS include/openssl/fips.h crypto/fips_err.h
L ASYNC include/openssl/async.h crypto/async/async_err.c
# additional header files to be scanned for function names
L NONE crypto/x509/x509_vfy.h NONE

28
include/openssl/async.h
View File

@ -79,8 +79,30 @@ ASYNC_JOB *ASYNC_get_current_job(void);
void ASYNC_wake(ASYNC_JOB *job);
void ASYNC_clear_wake(ASYNC_JOB *job);
# ifdef __cplusplus
}
# endif
/* BEGIN ERROR CODES */
/*
* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
*/
void ERR_load_ASYNC_strings(void);
/* Error codes for the ASYNC functions. */
/* Function codes. */
# define ASYNC_F_ASYNC_CTX_NEW 100
# define ASYNC_F_ASYNC_INIT_POOL 101
# define ASYNC_F_ASYNC_JOB_NEW 102
# define ASYNC_F_ASYNC_PAUSE_JOB 103
# define ASYNC_F_ASYNC_START_FUNC 104
# define ASYNC_F_ASYNC_START_JOB 105
/* Reason codes. */
# define ASYNC_R_CANNOT_CREATE_WAIT_PIPE 100
# define ASYNC_R_FAILED_TO_SET_POOL 101
# define ASYNC_R_FAILED_TO_SWAP_CONTEXT 102
# define ASYNC_R_INVALID_POOL_SIZE 103
#ifdef __cplusplus
}
#endif
#endif

2
include/openssl/err.h
View File

@ -194,6 +194,7 @@ typedef struct err_state_st {
# define ERR_LIB_HMAC 48
# define ERR_LIB_JPAKE 49
# define ERR_LIB_CT 50
# define ERR_LIB_ASYNC 51
# define ERR_LIB_USER 128
@ -231,6 +232,7 @@ typedef struct err_state_st {
# define HMACerr(f,r) ERR_PUT_error(ERR_LIB_HMAC,(f),(r),__FILE__,__LINE__)
# define JPAKEerr(f,r) ERR_PUT_error(ERR_LIB_JPAKE,(f),(r),__FILE__,__LINE__)
# define CTerr(f,r) ERR_PUT_error(ERR_LIB_CT,(f),(r),__FILE__,__LINE__)
# define ASYNCerr(f,r) ERR_PUT_error(ERR_LIB_ASYNC,(f),(r),__FILE__,__LINE__)
/*
* Borland C seems too stupid to be able to shift and do longs in the