61e078ddcb
Function 'sprintf' has potential buffer overflow risk. This patch use 'sprintf_s' to improve the code. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Qiu Shumin <shumin.qiu@intel.com> Reviewed-by: Yao Jiewen <Jiewen.Yao@intel.com> Reviewed-by: Cinnamon Shia <cinnamon.shia@hpe.com> Reviewed-by: Samer El-Haj-Mahmoud <elhaj@hpe.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19582 6f19259b-4bc3-4df7-8a09-765794883524
103 lines
3.8 KiB
C
103 lines
3.8 KiB
C
/**********************************************************************
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regposerr.c - Oniguruma (regular expression library)
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**********************************************************************/
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/*-
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* Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
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* All rights reserved.
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*
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* (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
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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 above 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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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/*#include "config.h"*/
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#include "onigposix.h"
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#if 0
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#ifdef HAVE_STRING_H
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# include <string.h>
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#else
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# include <strings.h>
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#endif
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#endif
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#if defined(__GNUC__)
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# define ARG_UNUSED __attribute__ ((unused))
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#else
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# define ARG_UNUSED
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#endif
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static char* ESTRING[] = {
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NULL,
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"failed to match", /* REG_NOMATCH */
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"Invalid regular expression", /* REG_BADPAT */
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"invalid collating element referenced", /* REG_ECOLLATE */
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"invalid character class type referenced", /* REG_ECTYPE */
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"bad backslash-escape sequence", /* REG_EESCAPE */
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"invalid back reference number", /* REG_ESUBREG */
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"imbalanced [ and ]", /* REG_EBRACK */
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"imbalanced ( and )", /* REG_EPAREN */
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"imbalanced { and }", /* REG_EBRACE */
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"invalid repeat range {n,m}", /* REG_BADBR */
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"invalid range", /* REG_ERANGE */
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"Out of memory", /* REG_ESPACE */
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"? * + not preceded by valid regular expression", /* REG_BADRPT */
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/* Extended errors */
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"internal error", /* REG_EONIG_INTERNAL */
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"invalid wide char value", /* REG_EONIG_BADWC */
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"invalid argument", /* REG_EONIG_BADARG */
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"multi-thread error" /* REG_EONIG_THREAD */
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};
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//#include <stdio.h>
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extern size_t
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regerror(int posix_ecode, const regex_t* reg ARG_UNUSED, char* buf,
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size_t size)
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{
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char* s;
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char tbuf[35];
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size_t len;
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if (posix_ecode > 0
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&& posix_ecode < (int )(sizeof(ESTRING) / sizeof(ESTRING[0]))) {
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s = ESTRING[posix_ecode];
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}
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else if (posix_ecode == 0) {
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s = "";
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}
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else {
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sprintf_s(tbuf, sizeof(tbuf), "undefined error code (%d)", posix_ecode);
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s = tbuf;
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}
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len = strlen_s(s, MAX_STRING_SIZE) + 1; /* use strlen() because s is ascii encoding. */
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if (buf != NULL && size > 0) {
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strncpy_s(buf, size, s, size - 1);
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buf[size - 1] = '\0';
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}
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return len;
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}
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