diff options
Diffstat (limited to 'openssl/crypto/err/err_def.c')
| -rw-r--r-- | openssl/crypto/err/err_def.c | 665 |
1 files changed, 0 insertions, 665 deletions
diff --git a/openssl/crypto/err/err_def.c b/openssl/crypto/err/err_def.c deleted file mode 100644 index 7ed3d8495..000000000 --- a/openssl/crypto/err/err_def.c +++ /dev/null @@ -1,665 +0,0 @@ -/* crypto/err/err_def.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) 1998-2001 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). - * - */ - -#include <stdio.h> -#include <stdarg.h> -#include <string.h> -#include "cryptlib.h" -#include <openssl/lhash.h> -#include <openssl/crypto.h> -#include <openssl/buffer.h> -#include <openssl/bio.h> -#include <openssl/err.h> - -#define err_clear_data(p,i) \ - do { \ - if (((p)->err_data[i] != NULL) && \ - (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ - { \ - OPENSSL_free((p)->err_data[i]); \ - (p)->err_data[i]=NULL; \ - } \ - (p)->err_data_flags[i]=0; \ - } while(0) - -#define err_clear(p,i) \ - do { \ - (p)->err_flags[i]=0; \ - (p)->err_buffer[i]=0; \ - err_clear_data(p,i); \ - (p)->err_file[i]=NULL; \ - (p)->err_line[i]= -1; \ - } while(0) - -static void err_load_strings(int lib, ERR_STRING_DATA *str); - -static void ERR_STATE_free(ERR_STATE *s); - -/* Define the predeclared (but externally opaque) "ERR_FNS" type */ -struct st_ERR_FNS - { - /* Works on the "error_hash" string table */ - LHASH *(*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 *(*cb_thread_get)(int create); - void (*cb_thread_release)(LHASH **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); - }; - -/* Predeclarations of the "err_defaults" functions */ -static LHASH *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 *int_thread_get(int create); -static void int_thread_release(LHASH **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. */ -static LHASH *int_error_hash = NULL; -static LHASH *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 err_hash(ERR_STRING_DATA *a); */ -static unsigned long err_hash(const void *a_void); -/* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */ -static int err_cmp(const void *a_void, const void *b_void); -/* static unsigned long pid_hash(ERR_STATE *pid); */ -static unsigned long pid_hash(const void *pid_void); -/* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */ -static int pid_cmp(const void *a_void,const void *pid_void); - -/* The internal functions used in the "err_defaults" implementation */ - -static LHASH *int_err_get(int create) - { - LHASH *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_new(err_hash, err_cmp); - 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_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 *hash; - - err_fns_check(); - hash = ERRFN(err_get)(0); - if (!hash) - return NULL; - - CRYPTO_r_lock(CRYPTO_LOCK_ERR); - p = (ERR_STRING_DATA *)lh_retrieve(hash, d); - CRYPTO_r_unlock(CRYPTO_LOCK_ERR); - - return p; - } - -static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d) - { - ERR_STRING_DATA *p; - LHASH *hash; - - err_fns_check(); - hash = ERRFN(err_get)(1); - if (!hash) - return NULL; - - CRYPTO_w_lock(CRYPTO_LOCK_ERR); - p = (ERR_STRING_DATA *)lh_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 *hash; - - err_fns_check(); - hash = ERRFN(err_get)(0); - if (!hash) - return NULL; - - CRYPTO_w_lock(CRYPTO_LOCK_ERR); - p = (ERR_STRING_DATA *)lh_delete(hash, d); - CRYPTO_w_unlock(CRYPTO_LOCK_ERR); - - return p; - } - -static LHASH *int_thread_get(int create) - { - LHASH *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_new(pid_hash, pid_cmp); - 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 **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 *hash; - - err_fns_check(); - hash = ERRFN(thread_get)(0); - if (!hash) - return NULL; - - CRYPTO_r_lock(CRYPTO_LOCK_ERR); - p = (ERR_STATE *)lh_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 *hash; - - err_fns_check(); - hash = ERRFN(thread_get)(1); - if (!hash) - return NULL; - - CRYPTO_w_lock(CRYPTO_LOCK_ERR); - p = (ERR_STATE *)lh_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 *hash; - - err_fns_check(); - hash = ERRFN(thread_get)(0); - if (!hash) - return; - - CRYPTO_w_lock(CRYPTO_LOCK_ERR); - p = (ERR_STATE *)lh_delete(hash, d); - /* make sure we don't leak memory */ - if (int_thread_hash_references == 1 - && int_thread_hash && (lh_num_items(int_thread_hash) == 0)) - { - lh_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; - } - -static void ERR_STATE_free(ERR_STATE *s) - { - int i; - - if (s == NULL) - return; - - for (i=0; i<ERR_NUM_ERRORS; i++) - { - err_clear_data(s,i); - } - OPENSSL_free(s); - } - -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++; - } - } - -void ERR_load_strings(int lib, ERR_STRING_DATA *str) - { - err_fns_check(); - err_load_strings(lib, str); - } - -void 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++; - } - } - -void ERR_free_strings(void) - { - err_fns_check(); - ERRFN(err_del)(); - } - -LHASH *ERR_get_string_table(void) - { - err_fns_check(); - return ERRFN(err_get)(0); - } - -LHASH *ERR_get_err_state_table(void) - { - err_fns_check(); - return ERRFN(thread_get)(0); - } - -void ERR_release_err_state_table(LHASH **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(); - l=ERR_GET_LIB(e); - d.error=ERR_PACK(l,0,0); - p=ERRFN(err_get_item)(&d); - return((p == NULL)?NULL:p->string); - } - -const char *ERR_func_error_string(unsigned long e) - { - ERR_STRING_DATA d,*p; - unsigned long l,f; - - err_fns_check(); - l=ERR_GET_LIB(e); - f=ERR_GET_FUNC(e); - d.error=ERR_PACK(l,f,0); - p=ERRFN(err_get_item)(&d); - return((p == NULL)?NULL:p->string); - } - -const char *ERR_reason_error_string(unsigned long e) - { - ERR_STRING_DATA d,*p=NULL; - unsigned long l,r; - - err_fns_check(); - l=ERR_GET_LIB(e); - r=ERR_GET_REASON(e); - d.error=ERR_PACK(l,0,r); - p=ERRFN(err_get_item)(&d); - if (!p) - { - d.error=ERR_PACK(0,0,r); - p=ERRFN(err_get_item)(&d); - } - return((p == NULL)?NULL:p->string); - } - -/* static unsigned long err_hash(ERR_STRING_DATA *a) */ -static unsigned long err_hash(const void *a_void) - { - unsigned long ret,l; - - l=((const ERR_STRING_DATA *)a_void)->error; - ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); - return(ret^ret%19*13); - } - -/* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) */ -static int err_cmp(const void *a_void, const void *b_void) - { - return((int)(((const ERR_STRING_DATA *)a_void)->error - - ((const ERR_STRING_DATA *)b_void)->error)); - } - -/* static unsigned long pid_hash(ERR_STATE *a) */ -static unsigned long pid_hash(const void *a_void) - { - return(((const ERR_STATE *)a_void)->pid*13); - } - -/* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */ -static int pid_cmp(const void *a_void, const void *b_void) - { - return((int)((long)((const ERR_STATE *)a_void)->pid - - (long)((const ERR_STATE *)b_void)->pid)); - } -#ifdef OPENSSL_FIPS -static void int_err_remove_state(unsigned long pid) -#else -void ERR_remove_state(unsigned long pid) -#endif - { - ERR_STATE tmp; - - err_fns_check(); - if (pid == 0) - pid=(unsigned long)CRYPTO_thread_id(); - tmp.pid=pid; - /* thread_del_item automatically destroys the LHASH if the number of - * items reaches zero. */ - ERRFN(thread_del_item)(&tmp); - } - -#ifdef OPENSSL_FIPS - static ERR_STATE *int_err_get_state(void) -#else -ERR_STATE *ERR_get_state(void) -#endif - { - static ERR_STATE fallback; - ERR_STATE *ret,tmp,*tmpp=NULL; - int i; - unsigned long pid; - - err_fns_check(); - pid=(unsigned long)CRYPTO_thread_id(); - tmp.pid=pid; - ret=ERRFN(thread_get_item)(&tmp); - - /* 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); - ret->pid=pid; - 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 = 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); - } - return ret; - } - -#ifdef OPENSSL_FIPS -void int_ERR_lib_init(void) - { - int_ERR_set_state_func(int_err_get_state, int_err_remove_state); - } -#endif - -int ERR_get_next_error_library(void) - { - err_fns_check(); - return ERRFN(get_next_lib)(); - } |