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1135 lines
29 KiB
1135 lines
29 KiB
/* crypto/err/err.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* ====================================================================
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* Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include "cryptlib.h"
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#include <openssl/lhash.h>
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#include <openssl/crypto.h>
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#include <openssl/buffer.h>
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#include <openssl/bio.h>
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#include <openssl/err.h>
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DECLARE_LHASH_OF(ERR_STRING_DATA);
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DECLARE_LHASH_OF(ERR_STATE);
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static void err_load_strings(int lib, ERR_STRING_DATA *str);
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static void ERR_STATE_free(ERR_STATE *s);
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#ifndef OPENSSL_NO_ERR
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static ERR_STRING_DATA ERR_str_libraries[]=
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{
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{ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"},
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{ERR_PACK(ERR_LIB_SYS,0,0) ,"system library"},
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{ERR_PACK(ERR_LIB_BN,0,0) ,"bignum routines"},
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{ERR_PACK(ERR_LIB_RSA,0,0) ,"rsa routines"},
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{ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"},
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{ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"},
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{ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"},
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{ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"},
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{ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"},
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{ERR_PACK(ERR_LIB_DSA,0,0) ,"dsa routines"},
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{ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"},
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{ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"},
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{ERR_PACK(ERR_LIB_CONF,0,0) ,"configuration file routines"},
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{ERR_PACK(ERR_LIB_CRYPTO,0,0) ,"common libcrypto routines"},
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{ERR_PACK(ERR_LIB_EC,0,0) ,"elliptic curve routines"},
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{ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"},
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{ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"},
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{ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"},
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{ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"},
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{ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"},
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{ERR_PACK(ERR_LIB_RAND,0,0) ,"random number generator"},
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{ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"},
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{ERR_PACK(ERR_LIB_TS,0,0) ,"time stamp routines"},
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{ERR_PACK(ERR_LIB_ENGINE,0,0) ,"engine routines"},
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{ERR_PACK(ERR_LIB_OCSP,0,0) ,"OCSP routines"},
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{ERR_PACK(ERR_LIB_FIPS,0,0) ,"FIPS routines"},
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{ERR_PACK(ERR_LIB_CMS,0,0) ,"CMS routines"},
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{ERR_PACK(ERR_LIB_HMAC,0,0) ,"HMAC routines"},
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{0,NULL},
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};
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static ERR_STRING_DATA ERR_str_functs[]=
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{
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{ERR_PACK(0,SYS_F_FOPEN,0), "fopen"},
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{ERR_PACK(0,SYS_F_CONNECT,0), "connect"},
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{ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"},
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{ERR_PACK(0,SYS_F_SOCKET,0), "socket"},
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{ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"},
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{ERR_PACK(0,SYS_F_BIND,0), "bind"},
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{ERR_PACK(0,SYS_F_LISTEN,0), "listen"},
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{ERR_PACK(0,SYS_F_ACCEPT,0), "accept"},
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#ifdef OPENSSL_SYS_WINDOWS
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{ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"},
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#endif
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{ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"},
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{ERR_PACK(0,SYS_F_FREAD,0), "fread"},
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{0,NULL},
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};
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static ERR_STRING_DATA ERR_str_reasons[]=
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{
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{ERR_R_SYS_LIB ,"system lib"},
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{ERR_R_BN_LIB ,"BN lib"},
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{ERR_R_RSA_LIB ,"RSA lib"},
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{ERR_R_DH_LIB ,"DH lib"},
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{ERR_R_EVP_LIB ,"EVP lib"},
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{ERR_R_BUF_LIB ,"BUF lib"},
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{ERR_R_OBJ_LIB ,"OBJ lib"},
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{ERR_R_PEM_LIB ,"PEM lib"},
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{ERR_R_DSA_LIB ,"DSA lib"},
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{ERR_R_X509_LIB ,"X509 lib"},
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{ERR_R_ASN1_LIB ,"ASN1 lib"},
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{ERR_R_CONF_LIB ,"CONF lib"},
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{ERR_R_CRYPTO_LIB ,"CRYPTO lib"},
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{ERR_R_EC_LIB ,"EC lib"},
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{ERR_R_SSL_LIB ,"SSL lib"},
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{ERR_R_BIO_LIB ,"BIO lib"},
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{ERR_R_PKCS7_LIB ,"PKCS7 lib"},
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{ERR_R_X509V3_LIB ,"X509V3 lib"},
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{ERR_R_PKCS12_LIB ,"PKCS12 lib"},
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{ERR_R_RAND_LIB ,"RAND lib"},
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{ERR_R_DSO_LIB ,"DSO lib"},
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{ERR_R_ENGINE_LIB ,"ENGINE lib"},
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{ERR_R_OCSP_LIB ,"OCSP lib"},
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{ERR_R_TS_LIB ,"TS lib"},
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{ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"},
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{ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"},
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{ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"},
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{ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"},
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{ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"},
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{ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"},
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{ERR_R_FATAL ,"fatal"},
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{ERR_R_MALLOC_FAILURE ,"malloc failure"},
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{ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"},
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{ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"},
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{ERR_R_INTERNAL_ERROR ,"internal error"},
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{ERR_R_DISABLED ,"called a function that was disabled at compile-time"},
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{0,NULL},
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};
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#endif
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/* Define the predeclared (but externally opaque) "ERR_FNS" type */
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struct st_ERR_FNS
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{
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/* Works on the "error_hash" string table */
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LHASH_OF(ERR_STRING_DATA) *(*cb_err_get)(int create);
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void (*cb_err_del)(void);
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ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *);
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ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *);
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ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *);
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/* Works on the "thread_hash" error-state table */
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LHASH_OF(ERR_STATE) *(*cb_thread_get)(int create);
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void (*cb_thread_release)(LHASH_OF(ERR_STATE) **hash);
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ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *);
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ERR_STATE *(*cb_thread_set_item)(ERR_STATE *);
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void (*cb_thread_del_item)(const ERR_STATE *);
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/* Returns the next available error "library" numbers */
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int (*cb_get_next_lib)(void);
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};
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/* Predeclarations of the "err_defaults" functions */
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static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create);
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static void int_err_del(void);
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static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *);
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static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *);
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static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *);
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static LHASH_OF(ERR_STATE) *int_thread_get(int create);
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static void int_thread_release(LHASH_OF(ERR_STATE) **hash);
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static ERR_STATE *int_thread_get_item(const ERR_STATE *);
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static ERR_STATE *int_thread_set_item(ERR_STATE *);
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static void int_thread_del_item(const ERR_STATE *);
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static int int_err_get_next_lib(void);
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/* The static ERR_FNS table using these defaults functions */
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static const ERR_FNS err_defaults =
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{
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int_err_get,
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int_err_del,
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int_err_get_item,
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int_err_set_item,
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int_err_del_item,
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int_thread_get,
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int_thread_release,
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int_thread_get_item,
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int_thread_set_item,
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int_thread_del_item,
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int_err_get_next_lib
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};
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/* The replacable table of ERR_FNS functions we use at run-time */
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static const ERR_FNS *err_fns = NULL;
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/* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */
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#define ERRFN(a) err_fns->cb_##a
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/* The internal state used by "err_defaults" - as such, the setting, reading,
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* creating, and deleting of this data should only be permitted via the
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* "err_defaults" functions. This way, a linked module can completely defer all
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* ERR state operation (together with requisite locking) to the implementations
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* and state in the loading application. */
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static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL;
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static LHASH_OF(ERR_STATE) *int_thread_hash = NULL;
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static int int_thread_hash_references = 0;
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static int int_err_library_number= ERR_LIB_USER;
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/* Internal function that checks whether "err_fns" is set and if not, sets it to
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* the defaults. */
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static void err_fns_check(void)
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{
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if (err_fns) return;
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CRYPTO_w_lock(CRYPTO_LOCK_ERR);
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if (!err_fns)
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err_fns = &err_defaults;
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CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
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}
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/* API functions to get or set the underlying ERR functions. */
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const ERR_FNS *ERR_get_implementation(void)
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{
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err_fns_check();
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return err_fns;
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}
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int ERR_set_implementation(const ERR_FNS *fns)
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{
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int ret = 0;
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CRYPTO_w_lock(CRYPTO_LOCK_ERR);
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/* It's too late if 'err_fns' is non-NULL. BTW: not much point setting
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* an error is there?! */
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if (!err_fns)
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{
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err_fns = fns;
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ret = 1;
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}
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CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
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return ret;
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}
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/* These are the callbacks provided to "lh_new()" when creating the LHASH tables
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* internal to the "err_defaults" implementation. */
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static unsigned long get_error_values(int inc,int top,const char **file,int *line,
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const char **data,int *flags);
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/* The internal functions used in the "err_defaults" implementation */
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static unsigned long err_string_data_hash(const ERR_STRING_DATA *a)
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{
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unsigned long ret,l;
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l=a->error;
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ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l);
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return(ret^ret%19*13);
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}
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static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA)
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static int err_string_data_cmp(const ERR_STRING_DATA *a,
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const ERR_STRING_DATA *b)
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{
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return (int)(a->error - b->error);
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}
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static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA)
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static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create)
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{
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LHASH_OF(ERR_STRING_DATA) *ret = NULL;
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CRYPTO_w_lock(CRYPTO_LOCK_ERR);
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if (!int_error_hash && create)
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{
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CRYPTO_push_info("int_err_get (err.c)");
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int_error_hash = lh_ERR_STRING_DATA_new();
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CRYPTO_pop_info();
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}
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if (int_error_hash)
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ret = int_error_hash;
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CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
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return ret;
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}
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static void int_err_del(void)
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{
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CRYPTO_w_lock(CRYPTO_LOCK_ERR);
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if (int_error_hash)
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{
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lh_ERR_STRING_DATA_free(int_error_hash);
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int_error_hash = NULL;
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}
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CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
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}
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static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
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{
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ERR_STRING_DATA *p;
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LHASH_OF(ERR_STRING_DATA) *hash;
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err_fns_check();
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hash = ERRFN(err_get)(0);
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if (!hash)
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return NULL;
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CRYPTO_r_lock(CRYPTO_LOCK_ERR);
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p = lh_ERR_STRING_DATA_retrieve(hash, d);
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CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
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return p;
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}
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static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d)
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{
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ERR_STRING_DATA *p;
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LHASH_OF(ERR_STRING_DATA) *hash;
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err_fns_check();
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hash = ERRFN(err_get)(1);
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if (!hash)
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return NULL;
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CRYPTO_w_lock(CRYPTO_LOCK_ERR);
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p = lh_ERR_STRING_DATA_insert(hash, d);
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CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
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return p;
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}
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static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d)
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{
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ERR_STRING_DATA *p;
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LHASH_OF(ERR_STRING_DATA) *hash;
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err_fns_check();
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hash = ERRFN(err_get)(0);
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if (!hash)
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return NULL;
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CRYPTO_w_lock(CRYPTO_LOCK_ERR);
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p = lh_ERR_STRING_DATA_delete(hash, d);
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CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
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return p;
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}
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static unsigned long err_state_hash(const ERR_STATE *a)
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{
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return CRYPTO_THREADID_hash(&a->tid) * 13;
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}
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static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE)
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static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b)
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{
|
|
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;
|
|
}
|
|
|