diff options
Diffstat (limited to 'thirdparty/openssl/crypto/err/err.c')
| -rw-r--r-- | thirdparty/openssl/crypto/err/err.c | 1158 |
1 files changed, 0 insertions, 1158 deletions
diff --git a/thirdparty/openssl/crypto/err/err.c b/thirdparty/openssl/crypto/err/err.c deleted file mode 100644 index cfe0e8083f..0000000000 --- a/thirdparty/openssl/crypto/err/err.c +++ /dev/null @@ -1,1158 +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"}, - {ERR_PACK(0, SYS_F_FFLUSH, 0), "fflush"}, - {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(); - if (es == NULL) - return; - - 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(); - if (es == NULL) - return; - - 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 (es == NULL) - return 0; - - 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; - - if (len == 0) - return; - - 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) -{ - 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 NULL; - 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 NULL; - } - /* - * 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(); - if (es == NULL) - return; - - i = es->top; - - 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; - va_start(args, num); - ERR_add_error_vdata(num, args); - va_end(args); -} - -void ERR_add_error_vdata(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'; - - 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); - return; - } else - str = p; - } - BUF_strlcat(str, a, (size_t)s + 1); - } - } - ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING); -} - -int ERR_set_mark(void) -{ - ERR_STATE *es; - - es = ERR_get_state(); - if (es == NULL) - return 0; - - 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(); - if (es == NULL) - return 0; - - 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; -} |