-/* crypto/err/err.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
-#include "internal/cryptlib.h"
+#include <internal/cryptlib_int.h>
+#include <internal/threads.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>
static void err_load_strings(int lib, ERR_STRING_DATA *str);
{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},
};
# 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"},
{0, NULL},
};
{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
+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) *get_hash(int create, int lockit);
static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *);
-static LHASH_OF(ERR_STATE) *int_thread_get(int create, int lockit);
-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 *);
/*
* 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;
-/*
- * 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);
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) *get_hash(int create, int lockit)
{
LHASH_OF(ERR_STRING_DATA) *ret = NULL;
if (lockit)
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_write_lock(err_string_lock);
if (!int_error_hash && create) {
- CRYPTO_push_info("get_hash (err.c)");
- int_error_hash = lh_ERR_STRING_DATA_new();
- CRYPTO_pop_info();
+ int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash,
+ err_string_data_cmp);
}
if (int_error_hash != NULL)
ret = int_error_hash;
if (lockit)
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_unlock(err_string_lock);
return ret;
}
ERR_STRING_DATA *p = NULL;
LHASH_OF(ERR_STRING_DATA) *hash;
- CRYPTO_r_lock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_read_lock(err_string_lock);
hash = get_hash(0, 0);
if (hash)
p = lh_ERR_STRING_DATA_retrieve(hash, d);
- CRYPTO_r_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, int lockit)
-{
- LHASH_OF(ERR_STATE) *ret = NULL;
-
- if (lockit)
- 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 != NULL) {
- int_thread_hash_references++;
- ret = int_thread_hash;
- }
- if (lockit)
- 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 = NULL;
- LHASH_OF(ERR_STATE) *hash;
-
- CRYPTO_r_lock(CRYPTO_LOCK_ERR);
- hash = int_thread_get(0, 0);
- if (hash)
- p = lh_ERR_STATE_retrieve(hash, d);
- CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
-
- int_thread_release(&hash);
- return p;
-}
-
-static ERR_STATE *int_thread_set_item(ERR_STATE *d)
-{
- ERR_STATE *p = NULL;
- LHASH_OF(ERR_STATE) *hash;
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- hash = int_thread_get(1, 0);
- if (hash)
- p = lh_ERR_STATE_insert(hash, d);
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_unlock(err_string_lock);
- int_thread_release(&hash);
return p;
}
-static void int_thread_del_item(const ERR_STATE *d)
-{
- ERR_STATE *p = NULL;
- LHASH_OF(ERR_STATE) *hash;
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- hash = int_thread_get(0, 0);
- if (hash) {
- p = lh_ERR_STATE_delete(hash, d);
- /* If there are no other references, and we just removed the
- * last item, delete the int_thread_hash */
- 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);
-
- int_thread_release(&hash);
- ERR_STATE_free(p);
-}
-
#ifndef OPENSSL_NO_ERR
# define NUM_SYS_STR_REASONS 127
# define LEN_SYS_STR_REASON 32
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;
}
init = 0;
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_unlock(err_string_lock);
}
#endif
OPENSSL_free(s);
}
+static void do_err_strings_init(void)
+{
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
+ err_string_lock = CRYPTO_THREAD_lock_new();
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
+}
+
void ERR_load_ERR_strings(void)
{
#ifndef OPENSSL_NO_ERR
+ CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init);
+
err_load_strings(0, ERR_str_libraries);
err_load_strings(0, ERR_str_reasons);
err_load_strings(ERR_LIB_SYS, ERR_str_functs);
{
LHASH_OF(ERR_STRING_DATA) *hash;
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_write_lock(err_string_lock);
hash = get_hash(1, 0);
if (hash) {
for (; str->error; str++) {
(void)lh_ERR_STRING_DATA_insert(hash, str);
}
}
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_unlock(err_string_lock);
}
void ERR_load_strings(int lib, ERR_STRING_DATA *str)
{
LHASH_OF(ERR_STRING_DATA) *hash;
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init);
+
+ CRYPTO_THREAD_write_lock(err_string_lock);
hash = get_hash(0, 0);
if (hash) {
for (; str->error; str++) {
(void)lh_ERR_STRING_DATA_delete(hash, str);
}
}
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_unlock(err_string_lock);
}
void ERR_free_strings(void)
{
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init);
+
+ CRYPTO_THREAD_write_lock(err_string_lock);
lh_ERR_STRING_DATA_free(int_error_hash);
int_error_hash = NULL;
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_unlock(err_string_lock);
}
/********************************************************/
}
}
-/* 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
return get_hash(0, 1);
}
-LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void)
-{
- return int_thread_get(0, 1);
-}
-
-void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash)
-{
- int_thread_release(hash);
-}
-
const char *ERR_lib_error_string(unsigned long e)
{
ERR_STRING_DATA d, *p;
unsigned long l;
+ CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init);
+
l = ERR_GET_LIB(e);
d.error = ERR_PACK(l, 0, 0);
p = int_err_get_item(&d);
ERR_STRING_DATA d, *p;
unsigned long l, f;
+ CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init);
+
l = ERR_GET_LIB(e);
f = ERR_GET_FUNC(e);
d.error = ERR_PACK(l, f, 0);
ERR_STRING_DATA d, *p = NULL;
unsigned long l, r;
+ CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init);
+
l = ERR_GET_LIB(e);
r = ERR_GET_REASON(e);
d.error = ERR_PACK(l, 0, r);
return ((p == NULL) ? NULL : p->string);
}
-void ERR_remove_thread_state(const CRYPTO_THREADID *id)
+void ERR_remove_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);
- /*
- * thread_del_item automatically destroys the LHASH if the number of
- * items reaches zero.
- */
- int_thread_del_item(&tmp);
+ CRYPTO_THREAD_set_local(&err_thread_local, NULL);
+ ERR_STATE_free(state);
}
-#ifndef OPENSSL_NO_DEPRECATED
+#if OPENSSL_API_COMPAT < 0x10000000L
void ERR_remove_state(unsigned long pid)
{
- ERR_remove_thread_state(NULL);
+ ERR_remove_thread_state();
}
#endif
+static void err_do_init(void)
+{
+ 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;
-
- CRYPTO_THREADID_current(&tid);
- CRYPTO_THREADID_cpy(&tmp.tid, &tid);
- ret = int_thread_get_item(&tmp);
-
- /* ret == the error state, if NULL, make a new one */
- if (ret == NULL) {
- ret = OPENSSL_malloc(sizeof(*ret));
- 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;
- }
- tmpp = int_thread_set_item(ret);
- /* To check if insertion failed, do a get. */
- if (int_thread_get_item(ret) != ret) {
- ERR_STATE_free(ret); /* could not insert it */
- return (&fallback);
+ ERR_STATE *state = NULL;
+
+ CRYPTO_THREAD_run_once(&err_init, err_do_init);
+
+ 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;
}
- /*
- * If a race occurred in this function and we came second, tmpp is
- * the first one that we just replaced.
- */
- 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)
{
int ret;
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init);
+
+ CRYPTO_THREAD_write_lock(err_string_lock);
ret = int_err_library_number++;
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ CRYPTO_THREAD_unlock(err_string_lock);
return ret;
}
projects / openssl.git / blobdiff