diff options
Diffstat (limited to 'openssl/crypto/err/err.c')
| -rw-r--r-- | openssl/crypto/err/err.c | 1135 |
1 files changed, 0 insertions, 1135 deletions
diff --git a/openssl/crypto/err/err.c b/openssl/crypto/err/err.c deleted file mode 100644 index 69713a6e..00000000 --- a/openssl/crypto/err/err.c +++ /dev/null @@ -1,1135 +0,0 @@ -/* 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). - * - */ - -#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> - -DECLARE_LHASH_OF(ERR_STRING_DATA); -DECLARE_LHASH_OF(ERR_STATE); - -static void err_load_strings(int lib, ERR_STRING_DATA *str); - -static void ERR_STATE_free(ERR_STATE *s); -#ifndef OPENSSL_NO_ERR -static ERR_STRING_DATA ERR_str_libraries[]= - { -{ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"}, -{ERR_PACK(ERR_LIB_SYS,0,0) ,"system library"}, -{ERR_PACK(ERR_LIB_BN,0,0) ,"bignum routines"}, -{ERR_PACK(ERR_LIB_RSA,0,0) ,"rsa routines"}, -{ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"}, -{ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"}, -{ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"}, -{ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"}, -{ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"}, -{ERR_PACK(ERR_LIB_DSA,0,0) ,"dsa routines"}, -{ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"}, -{ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"}, -{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_SSL,0,0) ,"SSL routines"}, -{ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, -{ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"}, -{ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"}, -{ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"}, -{ERR_PACK(ERR_LIB_RAND,0,0) ,"random number generator"}, -{ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"}, -{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_FIPS,0,0) ,"FIPS routines"}, -{ERR_PACK(ERR_LIB_CMS,0,0) ,"CMS routines"}, -{ERR_PACK(ERR_LIB_HMAC,0,0) ,"HMAC routines"}, -{0,NULL}, - }; - -static ERR_STRING_DATA ERR_str_functs[]= - { - {ERR_PACK(0,SYS_F_FOPEN,0), "fopen"}, - {ERR_PACK(0,SYS_F_CONNECT,0), "connect"}, - {ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"}, - {ERR_PACK(0,SYS_F_SOCKET,0), "socket"}, - {ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"}, - {ERR_PACK(0,SYS_F_BIND,0), "bind"}, - {ERR_PACK(0,SYS_F_LISTEN,0), "listen"}, - {ERR_PACK(0,SYS_F_ACCEPT,0), "accept"}, -#ifdef OPENSSL_SYS_WINDOWS - {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"}, -#endif - {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"}, - {ERR_PACK(0,SYS_F_FREAD,0), "fread"}, - {0,NULL}, - }; - -static ERR_STRING_DATA ERR_str_reasons[]= - { -{ERR_R_SYS_LIB ,"system lib"}, -{ERR_R_BN_LIB ,"BN lib"}, -{ERR_R_RSA_LIB ,"RSA lib"}, -{ERR_R_DH_LIB ,"DH lib"}, -{ERR_R_EVP_LIB ,"EVP lib"}, -{ERR_R_BUF_LIB ,"BUF lib"}, -{ERR_R_OBJ_LIB ,"OBJ lib"}, -{ERR_R_PEM_LIB ,"PEM lib"}, -{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_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"}, -{ERR_R_MALLOC_FAILURE ,"malloc failure"}, -{ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"}, -{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"}, - -{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); - }; - -/* 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. */ -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; - - l=a->error; - ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); - 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_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); - - 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 - -static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; -/* SYS_str_reasons is filled with copies of strerror() results at - * initialization. - * 'errno' values up to 127 should cover all usual errors, - * others will be displayed numerically by ERR_error_string. - * It is crucial that we have something for each reason code - * that occurs in ERR_str_reasons, or bogus reason strings - * will be returned for SYSerr(), which always gets an errno - * value and never one of those 'standard' reason codes. */ - -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; - - CRYPTO_r_lock(CRYPTO_LOCK_ERR); - 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); - return; - } - - for (i = 1; i <= NUM_SYS_STR_REASONS; i++) - { - ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; - - 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'; - str->string = *dest; - } - } - if (str->string == NULL) - str->string = "unknown"; - } - - /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, - * as required by ERR_load_strings. */ - - init = 0; - - CRYPTO_w_unlock(CRYPTO_LOCK_ERR); - } -#endif - -#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_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); - } - -void ERR_load_ERR_strings(void) - { - err_fns_check(); -#ifndef OPENSSL_NO_ERR - 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 - } - -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_load_ERR_strings(); - 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)(); - } - -/********************************************************/ - -void ERR_put_error(int lib, int func, int reason, const char *file, - int line) - { - ERR_STATE *es; - -#ifdef _OSD_POSIX - /* In the BS2000-OSD POSIX subsystem, the compiler generates - * path names in the form "*POSIX(/etc/passwd)". - * This dirty hack strips them to something sensible. - * @@@ We shouldn't modify a const string, though. - */ - if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { - char *end; - - /* Skip the "*POSIX(" prefix */ - file += sizeof("*POSIX(")-1; - end = &file[strlen(file)-1]; - if (*end == ')') - *end = '\0'; - /* Optional: use the basename of the path only. */ - if ((end = strrchr(file, '/')) != NULL) - file = &end[1]; - } -#endif - es=ERR_get_state(); - - es->top=(es->top+1)%ERR_NUM_ERRORS; - if (es->top == es->bottom) - es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; - es->err_flags[es->top]=0; - es->err_buffer[es->top]=ERR_PACK(lib,func,reason); - es->err_file[es->top]=file; - es->err_line[es->top]=line; - err_clear_data(es,es->top); - } - -void ERR_clear_error(void) - { - int i; - ERR_STATE *es; - - es=ERR_get_state(); - - for (i=0; i<ERR_NUM_ERRORS; i++) - { - err_clear(es,i); - } - es->top=es->bottom=0; - } - - -unsigned long ERR_get_error(void) - { return(get_error_values(1,0,NULL,NULL,NULL,NULL)); } - -unsigned long ERR_get_error_line(const char **file, - int *line) - { return(get_error_values(1,0,file,line,NULL,NULL)); } - -unsigned long ERR_get_error_line_data(const char **file, int *line, - const char **data, int *flags) - { return(get_error_values(1,0,file,line,data,flags)); } - - -unsigned long ERR_peek_error(void) - { return(get_error_values(0,0,NULL,NULL,NULL,NULL)); } - -unsigned long ERR_peek_error_line(const char **file, int *line) - { return(get_error_values(0,0,file,line,NULL,NULL)); } - -unsigned long ERR_peek_error_line_data(const char **file, int *line, - const char **data, int *flags) - { return(get_error_values(0,0,file,line,data,flags)); } - - -unsigned long ERR_peek_last_error(void) - { return(get_error_values(0,1,NULL,NULL,NULL,NULL)); } - -unsigned long ERR_peek_last_error_line(const char **file, int *line) - { return(get_error_values(0,1,file,line,NULL,NULL)); } - -unsigned long ERR_peek_last_error_line_data(const char **file, int *line, - const char **data, int *flags) - { return(get_error_values(0,1,file,line,data,flags)); } - - -static unsigned long get_error_values(int inc, int top, const char **file, int *line, - const char **data, int *flags) - { - int i=0; - ERR_STATE *es; - unsigned long ret; - - es=ERR_get_state(); - - if (inc && top) - { - if (file) *file = ""; - if (line) *line = 0; - if (data) *data = ""; - if (flags) *flags = 0; - - return ERR_R_INTERNAL_ERROR; - } - - if (es->bottom == es->top) return 0; - if (top) - i=es->top; /* last error */ - else - i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */ - - ret=es->err_buffer[i]; - if (inc) - { - es->bottom=i; - es->err_buffer[i]=0; - } - - if ((file != NULL) && (line != NULL)) - { - if (es->err_file[i] == NULL) - { - *file="NA"; - if (line != NULL) *line=0; - } - else - { - *file=es->err_file[i]; - if (line != NULL) *line=es->err_line[i]; - } - } - - if (data == NULL) - { - if (inc) - { - err_clear_data(es, i); - } - } - else - { - if (es->err_data[i] == NULL) - { - *data=""; - if (flags != NULL) *flags=0; - } - else - { - *data=es->err_data[i]; - if (flags != NULL) *flags=es->err_data_flags[i]; - } - } - return ret; - } - -void ERR_error_string_n(unsigned long e, char *buf, size_t len) - { - char lsbuf[64], fsbuf[64], rsbuf[64]; - const char *ls,*fs,*rs; - unsigned long l,f,r; - - l=ERR_GET_LIB(e); - f=ERR_GET_FUNC(e); - r=ERR_GET_REASON(e); - - ls=ERR_lib_error_string(e); - fs=ERR_func_error_string(e); - rs=ERR_reason_error_string(e); - - if (ls == NULL) - BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); - if (fs == NULL) - BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); - if (rs == NULL) - BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); - - BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, - fs?fs:fsbuf, rs?rs:rsbuf); - if (strlen(buf) == len-1) - { - /* output may be truncated; make sure we always have 5 - * colon-separated fields, i.e. 4 colons ... */ -#define NUM_COLONS 4 - if (len > NUM_COLONS) /* ... if possible */ - { - int i; - char *s = buf; - - for (i = 0; i < NUM_COLONS; i++) - { - char *colon = strchr(s, ':'); - if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i) - { - /* set colon no. i at last possible position - * (buf[len-1] is the terminating 0)*/ - colon = &buf[len-1] - NUM_COLONS + i; - *colon = ':'; - } - s = colon + 1; - } - } - } - } - -/* 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 */ -char *ERR_error_string(unsigned long e, char *ret) - { - static char buf[256]; - - if (ret == NULL) ret=buf; - ERR_error_string_n(e, ret, 256); - - 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(); - 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); - } - -void ERR_remove_thread_state(const CRYPTO_THREADID *id) - { - ERR_STATE tmp; - - 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); - } - -#ifndef OPENSSL_NO_DEPRECATED -void ERR_remove_state(unsigned long pid) - { - ERR_remove_thread_state(NULL); - } -#endif - -ERR_STATE *ERR_get_state(void) - { - static ERR_STATE fallback; - ERR_STATE *ret,tmp,*tmpp=NULL; - int i; - CRYPTO_THREADID tid; - - err_fns_check(); - CRYPTO_THREADID_current(&tid); - CRYPTO_THREADID_cpy(&tmp.tid, &tid); - 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); - 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 = 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; - } - -int ERR_get_next_error_library(void) - { - err_fns_check(); - return ERRFN(get_next_lib)(); - } - -void ERR_set_error_data(char *data, int flags) - { - ERR_STATE *es; - int i; - - es=ERR_get_state(); - - i=es->top; - if (i == 0) - i=ERR_NUM_ERRORS-1; - - err_clear_data(es,i); - es->err_data[i]=data; - es->err_data_flags[i]=flags; - } - -void ERR_add_error_data(int num, ...) - { - va_list args; - int i,n,s; - char *str,*p,*a; - - s=80; - str=OPENSSL_malloc(s+1); - if (str == NULL) return; - str[0]='\0'; - - va_start(args, num); - n=0; - for (i=0; i<num; i++) - { - a=va_arg(args, char*); - /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ - if (a != NULL) - { - n+=strlen(a); - if (n > s) - { - s=n+20; - p=OPENSSL_realloc(str,s+1); - if (p == NULL) - { - OPENSSL_free(str); - goto err; - } - else - str=p; - } - BUF_strlcat(str,a,(size_t)s+1); - } - } - ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); - -err: - va_end(args); - } - -int ERR_set_mark(void) - { - ERR_STATE *es; - - es=ERR_get_state(); - - if (es->bottom == es->top) return 0; - es->err_flags[es->top]|=ERR_FLAG_MARK; - return 1; - } - -int ERR_pop_to_mark(void) - { - ERR_STATE *es; - - es=ERR_get_state(); - - while(es->bottom != es->top - && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) - { - err_clear(es,es->top); - es->top-=1; - if (es->top == -1) es->top=ERR_NUM_ERRORS-1; - } - - if (es->bottom == es->top) return 0; - es->err_flags[es->top]&=~ERR_FLAG_MARK; - return 1; - } |