Import OpenSSL 1.1.0f

This commit is contained in:
Steve Dower
2017-09-07 16:27:43 -07:00
committed by Steve Dower
parent ccd3ab4aff
commit f4b81cb7c9
3340 changed files with 325158 additions and 557542 deletions

View File

@@ -1,126 +1,24 @@
/* crypto/err/err.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/* ====================================================================
* Copyright (c) 1998-2006 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).
/*
* Copyright 1995-2016 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 <stdio.h>
#include <stdarg.h>
#include <string.h>
#include "cryptlib.h"
#include <internal/cryptlib_int.h>
#include <internal/err.h>
#include <internal/err_int.h>
#include <openssl/lhash.h>
#include <openssl/crypto.h>
#include <openssl/buffer.h>
#include <openssl/bio.h>
#include <openssl/err.h>
DECLARE_LHASH_OF(ERR_STRING_DATA);
DECLARE_LHASH_OF(ERR_STATE);
#include <openssl/opensslconf.h>
#include <internal/thread_once.h>
static void err_load_strings(int lib, ERR_STRING_DATA *str);
@@ -142,6 +40,8 @@ static ERR_STRING_DATA ERR_str_libraries[] = {
{ERR_PACK(ERR_LIB_CONF, 0, 0), "configuration file routines"},
{ERR_PACK(ERR_LIB_CRYPTO, 0, 0), "common libcrypto routines"},
{ERR_PACK(ERR_LIB_EC, 0, 0), "elliptic curve routines"},
{ERR_PACK(ERR_LIB_ECDSA, 0, 0), "ECDSA routines"},
{ERR_PACK(ERR_LIB_ECDH, 0, 0), "ECDH routines"},
{ERR_PACK(ERR_LIB_SSL, 0, 0), "SSL routines"},
{ERR_PACK(ERR_LIB_BIO, 0, 0), "BIO routines"},
{ERR_PACK(ERR_LIB_PKCS7, 0, 0), "PKCS7 routines"},
@@ -152,9 +52,13 @@ static ERR_STRING_DATA ERR_str_libraries[] = {
{ERR_PACK(ERR_LIB_TS, 0, 0), "time stamp routines"},
{ERR_PACK(ERR_LIB_ENGINE, 0, 0), "engine routines"},
{ERR_PACK(ERR_LIB_OCSP, 0, 0), "OCSP routines"},
{ERR_PACK(ERR_LIB_UI, 0, 0), "UI routines"},
{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_CT, 0, 0), "CT routines"},
{ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"},
{ERR_PACK(ERR_LIB_KDF, 0, 0), "KDF routines"},
{0, NULL},
};
@@ -172,6 +76,13 @@ static ERR_STRING_DATA ERR_str_functs[] = {
# endif
{ERR_PACK(0, SYS_F_OPENDIR, 0), "opendir"},
{ERR_PACK(0, SYS_F_FREAD, 0), "fread"},
{ERR_PACK(0, SYS_F_GETADDRINFO, 0), "getaddrinfo"},
{ERR_PACK(0, SYS_F_GETNAMEINFO, 0), "getnameinfo"},
{ERR_PACK(0, SYS_F_SETSOCKOPT, 0), "setsockopt"},
{ERR_PACK(0, SYS_F_GETSOCKOPT, 0), "getsockopt"},
{ERR_PACK(0, SYS_F_GETSOCKNAME, 0), "getsockname"},
{ERR_PACK(0, SYS_F_GETHOSTBYNAME, 0), "gethostbyname"},
{ERR_PACK(0, SYS_F_FFLUSH, 0), "fflush"},
{0, NULL},
};
@@ -187,25 +98,14 @@ static ERR_STRING_DATA ERR_str_reasons[] = {
{ERR_R_DSA_LIB, "DSA lib"},
{ERR_R_X509_LIB, "X509 lib"},
{ERR_R_ASN1_LIB, "ASN1 lib"},
{ERR_R_CONF_LIB, "CONF lib"},
{ERR_R_CRYPTO_LIB, "CRYPTO lib"},
{ERR_R_EC_LIB, "EC lib"},
{ERR_R_SSL_LIB, "SSL lib"},
{ERR_R_BIO_LIB, "BIO lib"},
{ERR_R_PKCS7_LIB, "PKCS7 lib"},
{ERR_R_X509V3_LIB, "X509V3 lib"},
{ERR_R_PKCS12_LIB, "PKCS12 lib"},
{ERR_R_RAND_LIB, "RAND lib"},
{ERR_R_DSO_LIB, "DSO lib"},
{ERR_R_ENGINE_LIB, "ENGINE lib"},
{ERR_R_OCSP_LIB, "OCSP lib"},
{ERR_R_TS_LIB, "TS lib"},
{ERR_R_ECDSA_LIB, "ECDSA lib"},
{ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"},
{ERR_R_BAD_ASN1_OBJECT_HEADER, "bad asn1 object header"},
{ERR_R_BAD_GET_ASN1_OBJECT_CALL, "bad get asn1 object call"},
{ERR_R_EXPECTING_AN_ASN1_SEQUENCE, "expecting an asn1 sequence"},
{ERR_R_ASN1_LENGTH_MISMATCH, "asn1 length mismatch"},
{ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"},
{ERR_R_FATAL, "fatal"},
@@ -215,125 +115,31 @@ static ERR_STRING_DATA ERR_str_reasons[] = {
{ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"},
{ERR_R_INTERNAL_ERROR, "internal error"},
{ERR_R_DISABLED, "called a function that was disabled at compile-time"},
{ERR_R_INIT_FAIL, "init fail"},
{0, NULL},
};
#endif
/* Define the predeclared (but externally opaque) "ERR_FNS" type */
struct st_ERR_FNS {
/* Works on the "error_hash" string table */
LHASH_OF(ERR_STRING_DATA) *(*cb_err_get) (int create);
void (*cb_err_del) (void);
ERR_STRING_DATA *(*cb_err_get_item) (const ERR_STRING_DATA *);
ERR_STRING_DATA *(*cb_err_set_item) (ERR_STRING_DATA *);
ERR_STRING_DATA *(*cb_err_del_item) (ERR_STRING_DATA *);
/* Works on the "thread_hash" error-state table */
LHASH_OF(ERR_STATE) *(*cb_thread_get) (int create);
void (*cb_thread_release) (LHASH_OF(ERR_STATE) **hash);
ERR_STATE *(*cb_thread_get_item) (const ERR_STATE *);
ERR_STATE *(*cb_thread_set_item) (ERR_STATE *);
void (*cb_thread_del_item) (const ERR_STATE *);
/* Returns the next available error "library" numbers */
int (*cb_get_next_lib) (void);
};
static CRYPTO_ONCE err_init = CRYPTO_ONCE_STATIC_INIT;
static CRYPTO_THREAD_LOCAL err_thread_local;
static CRYPTO_ONCE err_string_init = CRYPTO_ONCE_STATIC_INIT;
static CRYPTO_RWLOCK *err_string_lock;
/* Predeclarations of the "err_defaults" functions */
static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create);
static void int_err_del(void);
static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *);
static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *);
static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *);
static LHASH_OF(ERR_STATE) *int_thread_get(int create);
static void int_thread_release(LHASH_OF(ERR_STATE) **hash);
static ERR_STATE *int_thread_get_item(const ERR_STATE *);
static ERR_STATE *int_thread_set_item(ERR_STATE *);
static void int_thread_del_item(const ERR_STATE *);
static int int_err_get_next_lib(void);
/* The static ERR_FNS table using these defaults functions */
static const ERR_FNS err_defaults = {
int_err_get,
int_err_del,
int_err_get_item,
int_err_set_item,
int_err_del_item,
int_thread_get,
int_thread_release,
int_thread_get_item,
int_thread_set_item,
int_thread_del_item,
int_err_get_next_lib
};
/* The replacable table of ERR_FNS functions we use at run-time */
static const ERR_FNS *err_fns = NULL;
/* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */
#define ERRFN(a) err_fns->cb_##a
/*
* The internal state used by "err_defaults" - as such, the setting, reading,
* creating, and deleting of this data should only be permitted via the
* "err_defaults" functions. This way, a linked module can completely defer
* all ERR state operation (together with requisite locking) to the
* implementations and state in the loading application.
* The internal state
*/
static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL;
static LHASH_OF(ERR_STATE) *int_thread_hash = NULL;
static int int_thread_hash_references = 0;
static int int_err_library_number = ERR_LIB_USER;
/*
* Internal function that checks whether "err_fns" is set and if not, sets it
* to the defaults.
*/
static void err_fns_check(void)
{
if (err_fns)
return;
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
if (!err_fns)
err_fns = &err_defaults;
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
}
/* API functions to get or set the underlying ERR functions. */
const ERR_FNS *ERR_get_implementation(void)
{
err_fns_check();
return err_fns;
}
int ERR_set_implementation(const ERR_FNS *fns)
{
int ret = 0;
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
/*
* It's too late if 'err_fns' is non-NULL. BTW: not much point setting an
* error is there?!
*/
if (!err_fns) {
err_fns = fns;
ret = 1;
}
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return ret;
}
/*
* These are the callbacks provided to "lh_new()" when creating the LHASH
* tables internal to the "err_defaults" implementation.
*/
static unsigned long get_error_values(int inc, int top, const char **file,
int *line, const char **data,
int *flags);
/* The internal functions used in the "err_defaults" implementation */
static unsigned long err_string_data_hash(const ERR_STRING_DATA *a)
{
unsigned long ret, l;
@@ -343,221 +149,24 @@ static unsigned long err_string_data_hash(const ERR_STRING_DATA *a)
return (ret ^ ret % 19 * 13);
}
static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA)
static int err_string_data_cmp(const ERR_STRING_DATA *a,
const ERR_STRING_DATA *b)
{
return (int)(a->error - b->error);
}
static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA)
static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create)
{
LHASH_OF(ERR_STRING_DATA) *ret = NULL;
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
if (!int_error_hash && create) {
CRYPTO_push_info("int_err_get (err.c)");
int_error_hash = lh_ERR_STRING_DATA_new();
CRYPTO_pop_info();
}
if (int_error_hash)
ret = int_error_hash;
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return ret;
}
static void int_err_del(void)
{
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
if (int_error_hash) {
lh_ERR_STRING_DATA_free(int_error_hash);
int_error_hash = NULL;
}
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
}
static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
{
ERR_STRING_DATA *p;
LHASH_OF(ERR_STRING_DATA) *hash;
ERR_STRING_DATA *p = NULL;
err_fns_check();
hash = ERRFN(err_get) (0);
if (!hash)
return NULL;
CRYPTO_r_lock(CRYPTO_LOCK_ERR);
p = lh_ERR_STRING_DATA_retrieve(hash, d);
CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
CRYPTO_THREAD_read_lock(err_string_lock);
if (int_error_hash != NULL)
p = lh_ERR_STRING_DATA_retrieve(int_error_hash, d);
CRYPTO_THREAD_unlock(err_string_lock);
return p;
}
static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d)
{
ERR_STRING_DATA *p;
LHASH_OF(ERR_STRING_DATA) *hash;
err_fns_check();
hash = ERRFN(err_get) (1);
if (!hash)
return NULL;
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
p = lh_ERR_STRING_DATA_insert(hash, d);
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return p;
}
static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d)
{
ERR_STRING_DATA *p;
LHASH_OF(ERR_STRING_DATA) *hash;
err_fns_check();
hash = ERRFN(err_get) (0);
if (!hash)
return NULL;
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
p = lh_ERR_STRING_DATA_delete(hash, d);
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return p;
}
static unsigned long err_state_hash(const ERR_STATE *a)
{
return CRYPTO_THREADID_hash(&a->tid) * 13;
}
static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE)
static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b)
{
return CRYPTO_THREADID_cmp(&a->tid, &b->tid);
}
static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE)
static LHASH_OF(ERR_STATE) *int_thread_get(int create)
{
LHASH_OF(ERR_STATE) *ret = NULL;
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
if (!int_thread_hash && create) {
CRYPTO_push_info("int_thread_get (err.c)");
int_thread_hash = lh_ERR_STATE_new();
CRYPTO_pop_info();
}
if (int_thread_hash) {
int_thread_hash_references++;
ret = int_thread_hash;
}
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return ret;
}
static void int_thread_release(LHASH_OF(ERR_STATE) **hash)
{
int i;
if (hash == NULL || *hash == NULL)
return;
i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR);
#ifdef REF_PRINT
fprintf(stderr, "%4d:%s\n", int_thread_hash_references, "ERR");
#endif
if (i > 0)
return;
#ifdef REF_CHECK
if (i < 0) {
fprintf(stderr, "int_thread_release, bad reference count\n");
abort(); /* ok */
}
#endif
*hash = NULL;
}
static ERR_STATE *int_thread_get_item(const ERR_STATE *d)
{
ERR_STATE *p;
LHASH_OF(ERR_STATE) *hash;
err_fns_check();
hash = ERRFN(thread_get) (0);
if (!hash)
return NULL;
CRYPTO_r_lock(CRYPTO_LOCK_ERR);
p = lh_ERR_STATE_retrieve(hash, d);
CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
ERRFN(thread_release) (&hash);
return p;
}
static ERR_STATE *int_thread_set_item(ERR_STATE *d)
{
ERR_STATE *p;
LHASH_OF(ERR_STATE) *hash;
err_fns_check();
hash = ERRFN(thread_get) (1);
if (!hash)
return NULL;
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
p = lh_ERR_STATE_insert(hash, d);
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
ERRFN(thread_release) (&hash);
return p;
}
static void int_thread_del_item(const ERR_STATE *d)
{
ERR_STATE *p;
LHASH_OF(ERR_STATE) *hash;
err_fns_check();
hash = ERRFN(thread_get) (0);
if (!hash)
return;
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
p = lh_ERR_STATE_delete(hash, d);
/* make sure we don't leak memory */
if (int_thread_hash_references == 1
&& int_thread_hash && lh_ERR_STATE_num_items(int_thread_hash) == 0) {
lh_ERR_STATE_free(int_thread_hash);
int_thread_hash = NULL;
}
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
ERRFN(thread_release) (&hash);
if (p)
ERR_STATE_free(p);
}
static int int_err_get_next_lib(void)
{
int ret;
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
ret = int_err_library_number++;
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return ret;
}
#ifndef OPENSSL_NO_ERR
# define NUM_SYS_STR_REASONS 127
# define LEN_SYS_STR_REASON 32
@@ -577,19 +186,12 @@ static void build_SYS_str_reasons(void)
{
/* OPENSSL_malloc cannot be used here, use static storage instead */
static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON];
int i;
static int init = 1;
int i;
CRYPTO_r_lock(CRYPTO_LOCK_ERR);
CRYPTO_THREAD_write_lock(err_string_lock);
if (!init) {
CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
return;
}
CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
if (!init) {
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
CRYPTO_THREAD_unlock(err_string_lock);
return;
}
@@ -599,12 +201,8 @@ static void build_SYS_str_reasons(void)
str->error = (unsigned long)i;
if (str->string == NULL) {
char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]);
char *src = strerror(i);
if (src != NULL) {
strncpy(*dest, src, sizeof *dest);
(*dest)[sizeof *dest - 1] = '\0';
if (openssl_strerror_r(i, *dest, sizeof(*dest)))
str->string = *dest;
}
}
if (str->string == NULL)
str->string = "unknown";
@@ -617,14 +215,13 @@ static void build_SYS_str_reasons(void)
init = 0;
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
CRYPTO_THREAD_unlock(err_string_lock);
}
#endif
#define err_clear_data(p,i) \
do { \
if (((p)->err_data[i] != NULL) && \
(p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
{ \
OPENSSL_free((p)->err_data[i]); \
(p)->err_data[i]=NULL; \
@@ -654,48 +251,86 @@ static void ERR_STATE_free(ERR_STATE *s)
OPENSSL_free(s);
}
void ERR_load_ERR_strings(void)
DEFINE_RUN_ONCE_STATIC(do_err_strings_init)
{
OPENSSL_init_crypto(0, NULL);
err_string_lock = CRYPTO_THREAD_lock_new();
return err_string_lock != NULL;
}
void err_cleanup(void)
{
CRYPTO_THREAD_cleanup_local(&err_thread_local);
CRYPTO_THREAD_lock_free(err_string_lock);
err_string_lock = NULL;
}
int ERR_load_ERR_strings(void)
{
err_fns_check();
#ifndef OPENSSL_NO_ERR
if (!RUN_ONCE(&err_string_init, do_err_strings_init))
return 0;
err_load_strings(0, ERR_str_libraries);
err_load_strings(0, ERR_str_reasons);
err_load_strings(ERR_LIB_SYS, ERR_str_functs);
build_SYS_str_reasons();
err_load_strings(ERR_LIB_SYS, SYS_str_reasons);
#endif
return 1;
}
static void err_load_strings(int lib, ERR_STRING_DATA *str)
{
while (str->error) {
if (lib)
str->error |= ERR_PACK(lib, 0, 0);
ERRFN(err_set_item) (str);
str++;
CRYPTO_THREAD_write_lock(err_string_lock);
if (int_error_hash == NULL)
int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash,
err_string_data_cmp);
if (int_error_hash != NULL) {
for (; str->error; str++) {
if (lib)
str->error |= ERR_PACK(lib, 0, 0);
(void)lh_ERR_STRING_DATA_insert(int_error_hash, str);
}
}
CRYPTO_THREAD_unlock(err_string_lock);
}
void ERR_load_strings(int lib, ERR_STRING_DATA *str)
int ERR_load_strings(int lib, ERR_STRING_DATA *str)
{
ERR_load_ERR_strings();
if (ERR_load_ERR_strings() == 0)
return 0;
err_load_strings(lib, str);
return 1;
}
void ERR_unload_strings(int lib, ERR_STRING_DATA *str)
int ERR_unload_strings(int lib, ERR_STRING_DATA *str)
{
while (str->error) {
if (lib)
str->error |= ERR_PACK(lib, 0, 0);
ERRFN(err_del_item) (str);
str++;
if (!RUN_ONCE(&err_string_init, do_err_strings_init))
return 0;
CRYPTO_THREAD_write_lock(err_string_lock);
if (int_error_hash != NULL) {
for (; str->error; str++) {
if (lib)
str->error |= ERR_PACK(lib, 0, 0);
(void)lh_ERR_STRING_DATA_delete(int_error_hash, str);
}
}
CRYPTO_THREAD_unlock(err_string_lock);
return 1;
}
void ERR_free_strings(void)
void err_free_strings_int(void)
{
err_fns_check();
ERRFN(err_del) ();
if (!RUN_ONCE(&err_string_init, do_err_strings_init))
return;
CRYPTO_THREAD_write_lock(err_string_lock);
lh_ERR_STRING_DATA_free(int_error_hash);
int_error_hash = NULL;
CRYPTO_THREAD_unlock(err_string_lock);
}
/********************************************************/
@@ -914,7 +549,6 @@ void ERR_error_string_n(unsigned long e, char *buf, size_t len)
}
}
/* BAD for multi-threading: uses a local buffer if ret == NULL */
/*
* ERR_error_string_n should be used instead for ret != NULL as
* ERR_error_string cannot know how large the buffer is
@@ -930,33 +564,18 @@ char *ERR_error_string(unsigned long e, char *ret)
return ret;
}
LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void)
{
err_fns_check();
return ERRFN(err_get) (0);
}
LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void)
{
err_fns_check();
return ERRFN(thread_get) (0);
}
void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash)
{
err_fns_check();
ERRFN(thread_release) (hash);
}
const char *ERR_lib_error_string(unsigned long e)
{
ERR_STRING_DATA d, *p;
unsigned long l;
err_fns_check();
if (!RUN_ONCE(&err_string_init, do_err_strings_init)) {
return NULL;
}
l = ERR_GET_LIB(e);
d.error = ERR_PACK(l, 0, 0);
p = ERRFN(err_get_item) (&d);
p = int_err_get_item(&d);
return ((p == NULL) ? NULL : p->string);
}
@@ -965,11 +584,14 @@ const char *ERR_func_error_string(unsigned long e)
ERR_STRING_DATA d, *p;
unsigned long l, f;
err_fns_check();
if (!RUN_ONCE(&err_string_init, do_err_strings_init)) {
return NULL;
}
l = ERR_GET_LIB(e);
f = ERR_GET_FUNC(e);
d.error = ERR_PACK(l, f, 0);
p = ERRFN(err_get_item) (&d);
p = int_err_get_item(&d);
return ((p == NULL) ? NULL : p->string);
}
@@ -978,85 +600,87 @@ const char *ERR_reason_error_string(unsigned long e)
ERR_STRING_DATA d, *p = NULL;
unsigned long l, r;
err_fns_check();
if (!RUN_ONCE(&err_string_init, do_err_strings_init)) {
return NULL;
}
l = ERR_GET_LIB(e);
r = ERR_GET_REASON(e);
d.error = ERR_PACK(l, 0, r);
p = ERRFN(err_get_item) (&d);
p = int_err_get_item(&d);
if (!p) {
d.error = ERR_PACK(0, 0, r);
p = ERRFN(err_get_item) (&d);
p = int_err_get_item(&d);
}
return ((p == NULL) ? NULL : p->string);
}
void ERR_remove_thread_state(const CRYPTO_THREADID *id)
void err_delete_thread_state(void)
{
ERR_STATE tmp;
ERR_STATE *state = ERR_get_state();
if (state == NULL)
return;
if (id)
CRYPTO_THREADID_cpy(&tmp.tid, id);
else
CRYPTO_THREADID_current(&tmp.tid);
err_fns_check();
/*
* thread_del_item automatically destroys the LHASH if the number of
* items reaches zero.
*/
ERRFN(thread_del_item) (&tmp);
CRYPTO_THREAD_set_local(&err_thread_local, NULL);
ERR_STATE_free(state);
}
#ifndef OPENSSL_NO_DEPRECATED
void ERR_remove_state(unsigned long pid)
#if OPENSSL_API_COMPAT < 0x10100000L
void ERR_remove_thread_state(void *dummy)
{
ERR_remove_thread_state(NULL);
}
#endif
#if OPENSSL_API_COMPAT < 0x10000000L
void ERR_remove_state(unsigned long pid)
{
}
#endif
DEFINE_RUN_ONCE_STATIC(err_do_init)
{
return CRYPTO_THREAD_init_local(&err_thread_local, NULL);
}
ERR_STATE *ERR_get_state(void)
{
static ERR_STATE fallback;
ERR_STATE *ret, tmp, *tmpp = NULL;
int i;
CRYPTO_THREADID tid;
ERR_STATE *state = NULL;
err_fns_check();
CRYPTO_THREADID_current(&tid);
CRYPTO_THREADID_cpy(&tmp.tid, &tid);
ret = ERRFN(thread_get_item) (&tmp);
if (!RUN_ONCE(&err_init, err_do_init))
return NULL;
/* ret == the error state, if NULL, make a new one */
if (ret == NULL) {
ret = (ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE));
if (ret == NULL)
return (&fallback);
CRYPTO_THREADID_cpy(&ret->tid, &tid);
ret->top = 0;
ret->bottom = 0;
for (i = 0; i < ERR_NUM_ERRORS; i++) {
ret->err_data[i] = NULL;
ret->err_data_flags[i] = 0;
state = CRYPTO_THREAD_get_local(&err_thread_local);
if (state == NULL) {
state = OPENSSL_zalloc(sizeof(*state));
if (state == NULL)
return NULL;
if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) {
ERR_STATE_free(state);
return NULL;
}
tmpp = ERRFN(thread_set_item) (ret);
/* To check if insertion failed, do a get. */
if (ERRFN(thread_get_item) (ret) != ret) {
ERR_STATE_free(ret); /* could not insert it */
return (&fallback);
}
/*
* If a race occured in this function and we came second, tmpp is the
* first one that we just replaced.
*/
if (tmpp)
ERR_STATE_free(tmpp);
/* Ignore failures from these */
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE);
}
return ret;
return state;
}
int ERR_get_next_error_library(void)
{
err_fns_check();
return ERRFN(get_next_lib) ();
int ret;
if (!RUN_ONCE(&err_string_init, do_err_strings_init)) {
return 0;
}
CRYPTO_THREAD_write_lock(err_string_lock);
ret = int_err_library_number++;
CRYPTO_THREAD_unlock(err_string_lock);
return ret;
}
void ERR_set_error_data(char *data, int flags)
@@ -1106,10 +730,10 @@ void ERR_add_error_vdata(int num, va_list args)
if (p == NULL) {
OPENSSL_free(str);
return;
} else
str = p;
}
str = p;
}
BUF_strlcat(str, a, (size_t)s + 1);
OPENSSL_strlcat(str, a, (size_t)s + 1);
}
}
ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING);